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dea3101e JB |
1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
145e5a8a | 4 | * Copyright (C) 2017-2020 Broadcom. All Rights Reserved. The term * |
3e21d1cb | 5 | * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * |
50611577 | 6 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
c44ce173 | 9 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
10 | * * |
11 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
12 | * modify it under the terms of version 2 of the GNU General * |
13 | * Public License as published by the Free Software Foundation. * | |
14 | * This program is distributed in the hope that it will be useful. * | |
15 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
16 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
17 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
18 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
19 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
20 | * more details, a copy of which can be found in the file COPYING * | |
21 | * included with this package. * | |
dea3101e JB |
22 | *******************************************************************/ |
23 | ||
dea3101e JB |
24 | #include <linux/blkdev.h> |
25 | #include <linux/pci.h> | |
26 | #include <linux/interrupt.h> | |
27 | #include <linux/delay.h> | |
5a0e3ad6 | 28 | #include <linux/slab.h> |
1c2ba475 | 29 | #include <linux/lockdep.h> |
dea3101e | 30 | |
91886523 | 31 | #include <scsi/scsi.h> |
dea3101e JB |
32 | #include <scsi/scsi_cmnd.h> |
33 | #include <scsi/scsi_device.h> | |
34 | #include <scsi/scsi_host.h> | |
f888ba3c | 35 | #include <scsi/scsi_transport_fc.h> |
da0436e9 | 36 | #include <scsi/fc/fc_fs.h> |
0d878419 | 37 | #include <linux/aer.h> |
86ee57a9 | 38 | #include <linux/crash_dump.h> |
1351e69f JS |
39 | #ifdef CONFIG_X86 |
40 | #include <asm/set_memory.h> | |
41 | #endif | |
dea3101e | 42 | |
da0436e9 | 43 | #include "lpfc_hw4.h" |
dea3101e JB |
44 | #include "lpfc_hw.h" |
45 | #include "lpfc_sli.h" | |
da0436e9 | 46 | #include "lpfc_sli4.h" |
ea2151b4 | 47 | #include "lpfc_nl.h" |
dea3101e | 48 | #include "lpfc_disc.h" |
dea3101e | 49 | #include "lpfc.h" |
895427bd JS |
50 | #include "lpfc_scsi.h" |
51 | #include "lpfc_nvme.h" | |
dea3101e JB |
52 | #include "lpfc_crtn.h" |
53 | #include "lpfc_logmsg.h" | |
54 | #include "lpfc_compat.h" | |
858c9f6c | 55 | #include "lpfc_debugfs.h" |
04c68496 | 56 | #include "lpfc_vport.h" |
61bda8f7 | 57 | #include "lpfc_version.h" |
dea3101e JB |
58 | |
59 | /* There are only four IOCB completion types. */ | |
60 | typedef enum _lpfc_iocb_type { | |
61 | LPFC_UNKNOWN_IOCB, | |
62 | LPFC_UNSOL_IOCB, | |
63 | LPFC_SOL_IOCB, | |
64 | LPFC_ABORT_IOCB | |
65 | } lpfc_iocb_type; | |
66 | ||
4f774513 JS |
67 | |
68 | /* Provide function prototypes local to this module. */ | |
69 | static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
70 | uint32_t); | |
71 | static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
45ed1190 JS |
72 | uint8_t *, uint32_t *); |
73 | static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *, | |
74 | struct lpfc_iocbq *); | |
6669f9bb JS |
75 | static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *, |
76 | struct hbq_dmabuf *); | |
ae9e28f3 JS |
77 | static void lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, |
78 | struct hbq_dmabuf *dmabuf); | |
32517fc0 JS |
79 | static bool lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, |
80 | struct lpfc_queue *cq, struct lpfc_cqe *cqe); | |
895427bd | 81 | static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *, |
8a9d2e80 | 82 | int); |
f485c18d | 83 | static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, |
32517fc0 JS |
84 | struct lpfc_queue *eq, |
85 | struct lpfc_eqe *eqe); | |
e8d3c3b1 JS |
86 | static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba); |
87 | static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba); | |
24c7c0a6 JS |
88 | static struct lpfc_cqe *lpfc_sli4_cq_get(struct lpfc_queue *q); |
89 | static void __lpfc_sli4_consume_cqe(struct lpfc_hba *phba, | |
90 | struct lpfc_queue *cq, | |
91 | struct lpfc_cqe *cqe); | |
0558056c | 92 | |
4f774513 JS |
93 | static IOCB_t * |
94 | lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) | |
95 | { | |
96 | return &iocbq->iocb; | |
97 | } | |
98 | ||
48f8fdb4 JS |
99 | #if defined(CONFIG_64BIT) && defined(__LITTLE_ENDIAN) |
100 | /** | |
101 | * lpfc_sli4_pcimem_bcopy - SLI4 memory copy function | |
102 | * @srcp: Source memory pointer. | |
103 | * @destp: Destination memory pointer. | |
104 | * @cnt: Number of words required to be copied. | |
105 | * Must be a multiple of sizeof(uint64_t) | |
106 | * | |
107 | * This function is used for copying data between driver memory | |
108 | * and the SLI WQ. This function also changes the endianness | |
109 | * of each word if native endianness is different from SLI | |
110 | * endianness. This function can be called with or without | |
111 | * lock. | |
112 | **/ | |
d7b761b0 | 113 | static void |
48f8fdb4 JS |
114 | lpfc_sli4_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) |
115 | { | |
116 | uint64_t *src = srcp; | |
117 | uint64_t *dest = destp; | |
118 | int i; | |
119 | ||
120 | for (i = 0; i < (int)cnt; i += sizeof(uint64_t)) | |
121 | *dest++ = *src++; | |
122 | } | |
123 | #else | |
124 | #define lpfc_sli4_pcimem_bcopy(a, b, c) lpfc_sli_pcimem_bcopy(a, b, c) | |
125 | #endif | |
126 | ||
4f774513 JS |
127 | /** |
128 | * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue | |
129 | * @q: The Work Queue to operate on. | |
130 | * @wqe: The work Queue Entry to put on the Work queue. | |
131 | * | |
132 | * This routine will copy the contents of @wqe to the next available entry on | |
133 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
134 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
135 | * successful. If no entries are available on @q then this function will return | |
136 | * -ENOMEM. | |
137 | * The caller is expected to hold the hbalock when calling this routine. | |
138 | **/ | |
cd22d605 | 139 | static int |
205e8240 | 140 | lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe128 *wqe) |
4f774513 | 141 | { |
2e90f4b5 | 142 | union lpfc_wqe *temp_wqe; |
4f774513 JS |
143 | struct lpfc_register doorbell; |
144 | uint32_t host_index; | |
027140ea | 145 | uint32_t idx; |
1351e69f JS |
146 | uint32_t i = 0; |
147 | uint8_t *tmp; | |
5cc167dd | 148 | u32 if_type; |
4f774513 | 149 | |
2e90f4b5 JS |
150 | /* sanity check on queue memory */ |
151 | if (unlikely(!q)) | |
152 | return -ENOMEM; | |
9afbee3d | 153 | temp_wqe = lpfc_sli4_qe(q, q->host_index); |
2e90f4b5 | 154 | |
4f774513 | 155 | /* If the host has not yet processed the next entry then we are done */ |
027140ea JS |
156 | idx = ((q->host_index + 1) % q->entry_count); |
157 | if (idx == q->hba_index) { | |
b84daac9 | 158 | q->WQ_overflow++; |
cd22d605 | 159 | return -EBUSY; |
b84daac9 JS |
160 | } |
161 | q->WQ_posted++; | |
4f774513 | 162 | /* set consumption flag every once in a while */ |
32517fc0 | 163 | if (!((q->host_index + 1) % q->notify_interval)) |
f0d9bccc | 164 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 1); |
04673e38 JS |
165 | else |
166 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 0); | |
fedd3b7b JS |
167 | if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) |
168 | bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); | |
48f8fdb4 | 169 | lpfc_sli4_pcimem_bcopy(wqe, temp_wqe, q->entry_size); |
1351e69f JS |
170 | if (q->dpp_enable && q->phba->cfg_enable_dpp) { |
171 | /* write to DPP aperture taking advatage of Combined Writes */ | |
4c06619f JS |
172 | tmp = (uint8_t *)temp_wqe; |
173 | #ifdef __raw_writeq | |
1351e69f | 174 | for (i = 0; i < q->entry_size; i += sizeof(uint64_t)) |
4c06619f JS |
175 | __raw_writeq(*((uint64_t *)(tmp + i)), |
176 | q->dpp_regaddr + i); | |
177 | #else | |
178 | for (i = 0; i < q->entry_size; i += sizeof(uint32_t)) | |
179 | __raw_writel(*((uint32_t *)(tmp + i)), | |
180 | q->dpp_regaddr + i); | |
181 | #endif | |
1351e69f JS |
182 | } |
183 | /* ensure WQE bcopy and DPP flushed before doorbell write */ | |
6b3b3bdb | 184 | wmb(); |
4f774513 JS |
185 | |
186 | /* Update the host index before invoking device */ | |
187 | host_index = q->host_index; | |
027140ea JS |
188 | |
189 | q->host_index = idx; | |
4f774513 JS |
190 | |
191 | /* Ring Doorbell */ | |
192 | doorbell.word0 = 0; | |
962bc51b | 193 | if (q->db_format == LPFC_DB_LIST_FORMAT) { |
1351e69f JS |
194 | if (q->dpp_enable && q->phba->cfg_enable_dpp) { |
195 | bf_set(lpfc_if6_wq_db_list_fm_num_posted, &doorbell, 1); | |
196 | bf_set(lpfc_if6_wq_db_list_fm_dpp, &doorbell, 1); | |
197 | bf_set(lpfc_if6_wq_db_list_fm_dpp_id, &doorbell, | |
198 | q->dpp_id); | |
199 | bf_set(lpfc_if6_wq_db_list_fm_id, &doorbell, | |
200 | q->queue_id); | |
201 | } else { | |
202 | bf_set(lpfc_wq_db_list_fm_num_posted, &doorbell, 1); | |
1351e69f | 203 | bf_set(lpfc_wq_db_list_fm_id, &doorbell, q->queue_id); |
5cc167dd JS |
204 | |
205 | /* Leave bits <23:16> clear for if_type 6 dpp */ | |
206 | if_type = bf_get(lpfc_sli_intf_if_type, | |
207 | &q->phba->sli4_hba.sli_intf); | |
208 | if (if_type != LPFC_SLI_INTF_IF_TYPE_6) | |
209 | bf_set(lpfc_wq_db_list_fm_index, &doorbell, | |
210 | host_index); | |
1351e69f | 211 | } |
962bc51b JS |
212 | } else if (q->db_format == LPFC_DB_RING_FORMAT) { |
213 | bf_set(lpfc_wq_db_ring_fm_num_posted, &doorbell, 1); | |
214 | bf_set(lpfc_wq_db_ring_fm_id, &doorbell, q->queue_id); | |
215 | } else { | |
216 | return -EINVAL; | |
217 | } | |
218 | writel(doorbell.word0, q->db_regaddr); | |
4f774513 JS |
219 | |
220 | return 0; | |
221 | } | |
222 | ||
223 | /** | |
224 | * lpfc_sli4_wq_release - Updates internal hba index for WQ | |
225 | * @q: The Work Queue to operate on. | |
226 | * @index: The index to advance the hba index to. | |
227 | * | |
228 | * This routine will update the HBA index of a queue to reflect consumption of | |
229 | * Work Queue Entries by the HBA. When the HBA indicates that it has consumed | |
230 | * an entry the host calls this function to update the queue's internal | |
1543af38 | 231 | * pointers. |
4f774513 | 232 | **/ |
1543af38 | 233 | static void |
4f774513 JS |
234 | lpfc_sli4_wq_release(struct lpfc_queue *q, uint32_t index) |
235 | { | |
2e90f4b5 JS |
236 | /* sanity check on queue memory */ |
237 | if (unlikely(!q)) | |
1543af38 | 238 | return; |
2e90f4b5 | 239 | |
1543af38 | 240 | q->hba_index = index; |
4f774513 JS |
241 | } |
242 | ||
243 | /** | |
244 | * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue | |
245 | * @q: The Mailbox Queue to operate on. | |
7af29d45 | 246 | * @mqe: The Mailbox Queue Entry to put on the Work queue. |
4f774513 JS |
247 | * |
248 | * This routine will copy the contents of @mqe to the next available entry on | |
249 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
250 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
251 | * successful. If no entries are available on @q then this function will return | |
252 | * -ENOMEM. | |
253 | * The caller is expected to hold the hbalock when calling this routine. | |
254 | **/ | |
255 | static uint32_t | |
256 | lpfc_sli4_mq_put(struct lpfc_queue *q, struct lpfc_mqe *mqe) | |
257 | { | |
2e90f4b5 | 258 | struct lpfc_mqe *temp_mqe; |
4f774513 | 259 | struct lpfc_register doorbell; |
4f774513 | 260 | |
2e90f4b5 JS |
261 | /* sanity check on queue memory */ |
262 | if (unlikely(!q)) | |
263 | return -ENOMEM; | |
9afbee3d | 264 | temp_mqe = lpfc_sli4_qe(q, q->host_index); |
2e90f4b5 | 265 | |
4f774513 JS |
266 | /* If the host has not yet processed the next entry then we are done */ |
267 | if (((q->host_index + 1) % q->entry_count) == q->hba_index) | |
268 | return -ENOMEM; | |
48f8fdb4 | 269 | lpfc_sli4_pcimem_bcopy(mqe, temp_mqe, q->entry_size); |
4f774513 JS |
270 | /* Save off the mailbox pointer for completion */ |
271 | q->phba->mbox = (MAILBOX_t *)temp_mqe; | |
272 | ||
273 | /* Update the host index before invoking device */ | |
4f774513 JS |
274 | q->host_index = ((q->host_index + 1) % q->entry_count); |
275 | ||
276 | /* Ring Doorbell */ | |
277 | doorbell.word0 = 0; | |
278 | bf_set(lpfc_mq_doorbell_num_posted, &doorbell, 1); | |
279 | bf_set(lpfc_mq_doorbell_id, &doorbell, q->queue_id); | |
280 | writel(doorbell.word0, q->phba->sli4_hba.MQDBregaddr); | |
4f774513 JS |
281 | return 0; |
282 | } | |
283 | ||
284 | /** | |
285 | * lpfc_sli4_mq_release - Updates internal hba index for MQ | |
286 | * @q: The Mailbox Queue to operate on. | |
287 | * | |
288 | * This routine will update the HBA index of a queue to reflect consumption of | |
289 | * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed | |
290 | * an entry the host calls this function to update the queue's internal | |
291 | * pointers. This routine returns the number of entries that were consumed by | |
292 | * the HBA. | |
293 | **/ | |
294 | static uint32_t | |
295 | lpfc_sli4_mq_release(struct lpfc_queue *q) | |
296 | { | |
2e90f4b5 JS |
297 | /* sanity check on queue memory */ |
298 | if (unlikely(!q)) | |
299 | return 0; | |
300 | ||
4f774513 JS |
301 | /* Clear the mailbox pointer for completion */ |
302 | q->phba->mbox = NULL; | |
303 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
304 | return 1; | |
305 | } | |
306 | ||
307 | /** | |
308 | * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ | |
309 | * @q: The Event Queue to get the first valid EQE from | |
310 | * | |
311 | * This routine will get the first valid Event Queue Entry from @q, update | |
312 | * the queue's internal hba index, and return the EQE. If no valid EQEs are in | |
313 | * the Queue (no more work to do), or the Queue is full of EQEs that have been | |
314 | * processed, but not popped back to the HBA then this routine will return NULL. | |
315 | **/ | |
316 | static struct lpfc_eqe * | |
317 | lpfc_sli4_eq_get(struct lpfc_queue *q) | |
318 | { | |
2e90f4b5 JS |
319 | struct lpfc_eqe *eqe; |
320 | ||
321 | /* sanity check on queue memory */ | |
322 | if (unlikely(!q)) | |
323 | return NULL; | |
9afbee3d | 324 | eqe = lpfc_sli4_qe(q, q->host_index); |
4f774513 JS |
325 | |
326 | /* If the next EQE is not valid then we are done */ | |
7365f6fd | 327 | if (bf_get_le32(lpfc_eqe_valid, eqe) != q->qe_valid) |
4f774513 | 328 | return NULL; |
27f344eb JS |
329 | |
330 | /* | |
331 | * insert barrier for instruction interlock : data from the hardware | |
332 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
333 | * upon. Speculative instructions were allowing a bcopy at the start |
334 | * of lpfc_sli4_fp_handle_wcqe(), which is called immediately | |
335 | * after our return, to copy data before the valid bit check above | |
336 | * was done. As such, some of the copied data was stale. The barrier | |
337 | * ensures the check is before any data is copied. | |
27f344eb JS |
338 | */ |
339 | mb(); | |
4f774513 JS |
340 | return eqe; |
341 | } | |
342 | ||
ba20c853 JS |
343 | /** |
344 | * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ | |
345 | * @q: The Event Queue to disable interrupts | |
346 | * | |
347 | **/ | |
92f3b327 | 348 | void |
ba20c853 JS |
349 | lpfc_sli4_eq_clr_intr(struct lpfc_queue *q) |
350 | { | |
351 | struct lpfc_register doorbell; | |
352 | ||
353 | doorbell.word0 = 0; | |
354 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
355 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
356 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, | |
357 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
358 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 359 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
ba20c853 JS |
360 | } |
361 | ||
27d6ac0a JS |
362 | /** |
363 | * lpfc_sli4_if6_eq_clr_intr - Turn off interrupts from this EQ | |
364 | * @q: The Event Queue to disable interrupts | |
365 | * | |
366 | **/ | |
92f3b327 | 367 | void |
27d6ac0a JS |
368 | lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q) |
369 | { | |
370 | struct lpfc_register doorbell; | |
371 | ||
372 | doorbell.word0 = 0; | |
aad59d5d | 373 | bf_set(lpfc_if6_eq_doorbell_eqid, &doorbell, q->queue_id); |
27d6ac0a JS |
374 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
375 | } | |
376 | ||
4f774513 | 377 | /** |
32517fc0 JS |
378 | * lpfc_sli4_write_eq_db - write EQ DB for eqe's consumed or arm state |
379 | * @phba: adapter with EQ | |
4f774513 | 380 | * @q: The Event Queue that the host has completed processing for. |
32517fc0 | 381 | * @count: Number of elements that have been consumed |
4f774513 JS |
382 | * @arm: Indicates whether the host wants to arms this CQ. |
383 | * | |
32517fc0 JS |
384 | * This routine will notify the HBA, by ringing the doorbell, that count |
385 | * number of EQEs have been processed. The @arm parameter indicates whether | |
386 | * the queue should be rearmed when ringing the doorbell. | |
4f774513 | 387 | **/ |
32517fc0 JS |
388 | void |
389 | lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
390 | uint32_t count, bool arm) | |
4f774513 | 391 | { |
4f774513 JS |
392 | struct lpfc_register doorbell; |
393 | ||
2e90f4b5 | 394 | /* sanity check on queue memory */ |
32517fc0 JS |
395 | if (unlikely(!q || (count == 0 && !arm))) |
396 | return; | |
4f774513 JS |
397 | |
398 | /* ring doorbell for number popped */ | |
399 | doorbell.word0 = 0; | |
400 | if (arm) { | |
401 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
402 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
403 | } | |
32517fc0 | 404 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, count); |
4f774513 | 405 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); |
6b5151fd JS |
406 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, |
407 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
408 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 409 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
a747c9ce JS |
410 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ |
411 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
9dd35425 | 412 | readl(q->phba->sli4_hba.EQDBregaddr); |
4f774513 JS |
413 | } |
414 | ||
27d6ac0a | 415 | /** |
32517fc0 JS |
416 | * lpfc_sli4_if6_write_eq_db - write EQ DB for eqe's consumed or arm state |
417 | * @phba: adapter with EQ | |
27d6ac0a | 418 | * @q: The Event Queue that the host has completed processing for. |
32517fc0 | 419 | * @count: Number of elements that have been consumed |
27d6ac0a JS |
420 | * @arm: Indicates whether the host wants to arms this CQ. |
421 | * | |
32517fc0 JS |
422 | * This routine will notify the HBA, by ringing the doorbell, that count |
423 | * number of EQEs have been processed. The @arm parameter indicates whether | |
424 | * the queue should be rearmed when ringing the doorbell. | |
27d6ac0a | 425 | **/ |
32517fc0 JS |
426 | void |
427 | lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
428 | uint32_t count, bool arm) | |
27d6ac0a | 429 | { |
27d6ac0a JS |
430 | struct lpfc_register doorbell; |
431 | ||
432 | /* sanity check on queue memory */ | |
32517fc0 JS |
433 | if (unlikely(!q || (count == 0 && !arm))) |
434 | return; | |
27d6ac0a JS |
435 | |
436 | /* ring doorbell for number popped */ | |
437 | doorbell.word0 = 0; | |
438 | if (arm) | |
439 | bf_set(lpfc_if6_eq_doorbell_arm, &doorbell, 1); | |
32517fc0 | 440 | bf_set(lpfc_if6_eq_doorbell_num_released, &doorbell, count); |
27d6ac0a JS |
441 | bf_set(lpfc_if6_eq_doorbell_eqid, &doorbell, q->queue_id); |
442 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); | |
443 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ | |
444 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
445 | readl(q->phba->sli4_hba.EQDBregaddr); | |
32517fc0 JS |
446 | } |
447 | ||
448 | static void | |
449 | __lpfc_sli4_consume_eqe(struct lpfc_hba *phba, struct lpfc_queue *eq, | |
450 | struct lpfc_eqe *eqe) | |
451 | { | |
452 | if (!phba->sli4_hba.pc_sli4_params.eqav) | |
453 | bf_set_le32(lpfc_eqe_valid, eqe, 0); | |
454 | ||
455 | eq->host_index = ((eq->host_index + 1) % eq->entry_count); | |
456 | ||
457 | /* if the index wrapped around, toggle the valid bit */ | |
458 | if (phba->sli4_hba.pc_sli4_params.eqav && !eq->host_index) | |
459 | eq->qe_valid = (eq->qe_valid) ? 0 : 1; | |
460 | } | |
461 | ||
462 | static void | |
24c7c0a6 | 463 | lpfc_sli4_eqcq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq) |
32517fc0 | 464 | { |
24c7c0a6 JS |
465 | struct lpfc_eqe *eqe = NULL; |
466 | u32 eq_count = 0, cq_count = 0; | |
467 | struct lpfc_cqe *cqe = NULL; | |
468 | struct lpfc_queue *cq = NULL, *childq = NULL; | |
469 | int cqid = 0; | |
32517fc0 JS |
470 | |
471 | /* walk all the EQ entries and drop on the floor */ | |
472 | eqe = lpfc_sli4_eq_get(eq); | |
473 | while (eqe) { | |
24c7c0a6 JS |
474 | /* Get the reference to the corresponding CQ */ |
475 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
476 | cq = NULL; | |
477 | ||
478 | list_for_each_entry(childq, &eq->child_list, list) { | |
479 | if (childq->queue_id == cqid) { | |
480 | cq = childq; | |
481 | break; | |
482 | } | |
483 | } | |
484 | /* If CQ is valid, iterate through it and drop all the CQEs */ | |
485 | if (cq) { | |
486 | cqe = lpfc_sli4_cq_get(cq); | |
487 | while (cqe) { | |
488 | __lpfc_sli4_consume_cqe(phba, cq, cqe); | |
489 | cq_count++; | |
490 | cqe = lpfc_sli4_cq_get(cq); | |
491 | } | |
492 | /* Clear and re-arm the CQ */ | |
493 | phba->sli4_hba.sli4_write_cq_db(phba, cq, cq_count, | |
494 | LPFC_QUEUE_REARM); | |
495 | cq_count = 0; | |
496 | } | |
32517fc0 | 497 | __lpfc_sli4_consume_eqe(phba, eq, eqe); |
24c7c0a6 | 498 | eq_count++; |
32517fc0 JS |
499 | eqe = lpfc_sli4_eq_get(eq); |
500 | } | |
501 | ||
502 | /* Clear and re-arm the EQ */ | |
24c7c0a6 | 503 | phba->sli4_hba.sli4_write_eq_db(phba, eq, eq_count, LPFC_QUEUE_REARM); |
32517fc0 JS |
504 | } |
505 | ||
506 | static int | |
93a4d6f4 JS |
507 | lpfc_sli4_process_eq(struct lpfc_hba *phba, struct lpfc_queue *eq, |
508 | uint8_t rearm) | |
32517fc0 JS |
509 | { |
510 | struct lpfc_eqe *eqe; | |
511 | int count = 0, consumed = 0; | |
512 | ||
513 | if (cmpxchg(&eq->queue_claimed, 0, 1) != 0) | |
514 | goto rearm_and_exit; | |
515 | ||
516 | eqe = lpfc_sli4_eq_get(eq); | |
517 | while (eqe) { | |
518 | lpfc_sli4_hba_handle_eqe(phba, eq, eqe); | |
519 | __lpfc_sli4_consume_eqe(phba, eq, eqe); | |
520 | ||
521 | consumed++; | |
522 | if (!(++count % eq->max_proc_limit)) | |
523 | break; | |
524 | ||
525 | if (!(count % eq->notify_interval)) { | |
526 | phba->sli4_hba.sli4_write_eq_db(phba, eq, consumed, | |
527 | LPFC_QUEUE_NOARM); | |
528 | consumed = 0; | |
529 | } | |
530 | ||
531 | eqe = lpfc_sli4_eq_get(eq); | |
532 | } | |
533 | eq->EQ_processed += count; | |
534 | ||
535 | /* Track the max number of EQEs processed in 1 intr */ | |
536 | if (count > eq->EQ_max_eqe) | |
537 | eq->EQ_max_eqe = count; | |
538 | ||
164ba8d2 | 539 | xchg(&eq->queue_claimed, 0); |
32517fc0 JS |
540 | |
541 | rearm_and_exit: | |
93a4d6f4 JS |
542 | /* Always clear the EQ. */ |
543 | phba->sli4_hba.sli4_write_eq_db(phba, eq, consumed, rearm); | |
32517fc0 JS |
544 | |
545 | return count; | |
27d6ac0a JS |
546 | } |
547 | ||
4f774513 JS |
548 | /** |
549 | * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ | |
550 | * @q: The Completion Queue to get the first valid CQE from | |
551 | * | |
552 | * This routine will get the first valid Completion Queue Entry from @q, update | |
553 | * the queue's internal hba index, and return the CQE. If no valid CQEs are in | |
554 | * the Queue (no more work to do), or the Queue is full of CQEs that have been | |
555 | * processed, but not popped back to the HBA then this routine will return NULL. | |
556 | **/ | |
557 | static struct lpfc_cqe * | |
558 | lpfc_sli4_cq_get(struct lpfc_queue *q) | |
559 | { | |
560 | struct lpfc_cqe *cqe; | |
561 | ||
2e90f4b5 JS |
562 | /* sanity check on queue memory */ |
563 | if (unlikely(!q)) | |
564 | return NULL; | |
9afbee3d | 565 | cqe = lpfc_sli4_qe(q, q->host_index); |
2e90f4b5 | 566 | |
4f774513 | 567 | /* If the next CQE is not valid then we are done */ |
7365f6fd | 568 | if (bf_get_le32(lpfc_cqe_valid, cqe) != q->qe_valid) |
4f774513 | 569 | return NULL; |
27f344eb JS |
570 | |
571 | /* | |
572 | * insert barrier for instruction interlock : data from the hardware | |
573 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
574 | * upon. Given what was seen in lpfc_sli4_cq_get() of speculative |
575 | * instructions allowing action on content before valid bit checked, | |
576 | * add barrier here as well. May not be needed as "content" is a | |
577 | * single 32-bit entity here (vs multi word structure for cq's). | |
27f344eb JS |
578 | */ |
579 | mb(); | |
4f774513 JS |
580 | return cqe; |
581 | } | |
582 | ||
32517fc0 JS |
583 | static void |
584 | __lpfc_sli4_consume_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
585 | struct lpfc_cqe *cqe) | |
586 | { | |
587 | if (!phba->sli4_hba.pc_sli4_params.cqav) | |
588 | bf_set_le32(lpfc_cqe_valid, cqe, 0); | |
589 | ||
590 | cq->host_index = ((cq->host_index + 1) % cq->entry_count); | |
591 | ||
592 | /* if the index wrapped around, toggle the valid bit */ | |
593 | if (phba->sli4_hba.pc_sli4_params.cqav && !cq->host_index) | |
594 | cq->qe_valid = (cq->qe_valid) ? 0 : 1; | |
595 | } | |
596 | ||
4f774513 | 597 | /** |
32517fc0 JS |
598 | * lpfc_sli4_write_cq_db - write cq DB for entries consumed or arm state. |
599 | * @phba: the adapter with the CQ | |
4f774513 | 600 | * @q: The Completion Queue that the host has completed processing for. |
32517fc0 | 601 | * @count: the number of elements that were consumed |
4f774513 JS |
602 | * @arm: Indicates whether the host wants to arms this CQ. |
603 | * | |
32517fc0 JS |
604 | * This routine will notify the HBA, by ringing the doorbell, that the |
605 | * CQEs have been processed. The @arm parameter specifies whether the | |
606 | * queue should be rearmed when ringing the doorbell. | |
4f774513 | 607 | **/ |
32517fc0 JS |
608 | void |
609 | lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
610 | uint32_t count, bool arm) | |
4f774513 | 611 | { |
4f774513 JS |
612 | struct lpfc_register doorbell; |
613 | ||
2e90f4b5 | 614 | /* sanity check on queue memory */ |
32517fc0 JS |
615 | if (unlikely(!q || (count == 0 && !arm))) |
616 | return; | |
4f774513 JS |
617 | |
618 | /* ring doorbell for number popped */ | |
619 | doorbell.word0 = 0; | |
620 | if (arm) | |
621 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
32517fc0 | 622 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, count); |
4f774513 | 623 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); |
6b5151fd JS |
624 | bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, |
625 | (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); | |
626 | bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 627 | writel(doorbell.word0, q->phba->sli4_hba.CQDBregaddr); |
4f774513 JS |
628 | } |
629 | ||
27d6ac0a | 630 | /** |
32517fc0 JS |
631 | * lpfc_sli4_if6_write_cq_db - write cq DB for entries consumed or arm state. |
632 | * @phba: the adapter with the CQ | |
27d6ac0a | 633 | * @q: The Completion Queue that the host has completed processing for. |
32517fc0 | 634 | * @count: the number of elements that were consumed |
27d6ac0a JS |
635 | * @arm: Indicates whether the host wants to arms this CQ. |
636 | * | |
32517fc0 JS |
637 | * This routine will notify the HBA, by ringing the doorbell, that the |
638 | * CQEs have been processed. The @arm parameter specifies whether the | |
639 | * queue should be rearmed when ringing the doorbell. | |
27d6ac0a | 640 | **/ |
32517fc0 JS |
641 | void |
642 | lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
643 | uint32_t count, bool arm) | |
27d6ac0a | 644 | { |
27d6ac0a JS |
645 | struct lpfc_register doorbell; |
646 | ||
647 | /* sanity check on queue memory */ | |
32517fc0 JS |
648 | if (unlikely(!q || (count == 0 && !arm))) |
649 | return; | |
27d6ac0a JS |
650 | |
651 | /* ring doorbell for number popped */ | |
652 | doorbell.word0 = 0; | |
653 | if (arm) | |
654 | bf_set(lpfc_if6_cq_doorbell_arm, &doorbell, 1); | |
32517fc0 | 655 | bf_set(lpfc_if6_cq_doorbell_num_released, &doorbell, count); |
27d6ac0a JS |
656 | bf_set(lpfc_if6_cq_doorbell_cqid, &doorbell, q->queue_id); |
657 | writel(doorbell.word0, q->phba->sli4_hba.CQDBregaddr); | |
27d6ac0a JS |
658 | } |
659 | ||
7af29d45 | 660 | /* |
4f774513 | 661 | * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue |
4f774513 JS |
662 | * |
663 | * This routine will copy the contents of @wqe to the next available entry on | |
664 | * the @q. This function will then ring the Receive Queue Doorbell to signal the | |
665 | * HBA to start processing the Receive Queue Entry. This function returns the | |
666 | * index that the rqe was copied to if successful. If no entries are available | |
667 | * on @q then this function will return -ENOMEM. | |
668 | * The caller is expected to hold the hbalock when calling this routine. | |
669 | **/ | |
895427bd | 670 | int |
4f774513 JS |
671 | lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, |
672 | struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe) | |
673 | { | |
2e90f4b5 JS |
674 | struct lpfc_rqe *temp_hrqe; |
675 | struct lpfc_rqe *temp_drqe; | |
4f774513 | 676 | struct lpfc_register doorbell; |
cbc5de1b JS |
677 | int hq_put_index; |
678 | int dq_put_index; | |
4f774513 | 679 | |
2e90f4b5 JS |
680 | /* sanity check on queue memory */ |
681 | if (unlikely(!hq) || unlikely(!dq)) | |
682 | return -ENOMEM; | |
cbc5de1b JS |
683 | hq_put_index = hq->host_index; |
684 | dq_put_index = dq->host_index; | |
9afbee3d JS |
685 | temp_hrqe = lpfc_sli4_qe(hq, hq_put_index); |
686 | temp_drqe = lpfc_sli4_qe(dq, dq_put_index); | |
2e90f4b5 | 687 | |
4f774513 JS |
688 | if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ) |
689 | return -EINVAL; | |
cbc5de1b | 690 | if (hq_put_index != dq_put_index) |
4f774513 JS |
691 | return -EINVAL; |
692 | /* If the host has not yet processed the next entry then we are done */ | |
cbc5de1b | 693 | if (((hq_put_index + 1) % hq->entry_count) == hq->hba_index) |
4f774513 | 694 | return -EBUSY; |
48f8fdb4 JS |
695 | lpfc_sli4_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size); |
696 | lpfc_sli4_pcimem_bcopy(drqe, temp_drqe, dq->entry_size); | |
4f774513 JS |
697 | |
698 | /* Update the host index to point to the next slot */ | |
cbc5de1b JS |
699 | hq->host_index = ((hq_put_index + 1) % hq->entry_count); |
700 | dq->host_index = ((dq_put_index + 1) % dq->entry_count); | |
61f3d4bf | 701 | hq->RQ_buf_posted++; |
4f774513 JS |
702 | |
703 | /* Ring The Header Receive Queue Doorbell */ | |
32517fc0 | 704 | if (!(hq->host_index % hq->notify_interval)) { |
4f774513 | 705 | doorbell.word0 = 0; |
962bc51b JS |
706 | if (hq->db_format == LPFC_DB_RING_FORMAT) { |
707 | bf_set(lpfc_rq_db_ring_fm_num_posted, &doorbell, | |
32517fc0 | 708 | hq->notify_interval); |
962bc51b JS |
709 | bf_set(lpfc_rq_db_ring_fm_id, &doorbell, hq->queue_id); |
710 | } else if (hq->db_format == LPFC_DB_LIST_FORMAT) { | |
711 | bf_set(lpfc_rq_db_list_fm_num_posted, &doorbell, | |
32517fc0 | 712 | hq->notify_interval); |
962bc51b JS |
713 | bf_set(lpfc_rq_db_list_fm_index, &doorbell, |
714 | hq->host_index); | |
715 | bf_set(lpfc_rq_db_list_fm_id, &doorbell, hq->queue_id); | |
716 | } else { | |
717 | return -EINVAL; | |
718 | } | |
719 | writel(doorbell.word0, hq->db_regaddr); | |
4f774513 | 720 | } |
cbc5de1b | 721 | return hq_put_index; |
4f774513 JS |
722 | } |
723 | ||
7af29d45 | 724 | /* |
4f774513 | 725 | * lpfc_sli4_rq_release - Updates internal hba index for RQ |
4f774513 JS |
726 | * |
727 | * This routine will update the HBA index of a queue to reflect consumption of | |
728 | * one Receive Queue Entry by the HBA. When the HBA indicates that it has | |
729 | * consumed an entry the host calls this function to update the queue's | |
730 | * internal pointers. This routine returns the number of entries that were | |
731 | * consumed by the HBA. | |
732 | **/ | |
733 | static uint32_t | |
734 | lpfc_sli4_rq_release(struct lpfc_queue *hq, struct lpfc_queue *dq) | |
735 | { | |
2e90f4b5 JS |
736 | /* sanity check on queue memory */ |
737 | if (unlikely(!hq) || unlikely(!dq)) | |
738 | return 0; | |
739 | ||
4f774513 JS |
740 | if ((hq->type != LPFC_HRQ) || (dq->type != LPFC_DRQ)) |
741 | return 0; | |
742 | hq->hba_index = ((hq->hba_index + 1) % hq->entry_count); | |
743 | dq->hba_index = ((dq->hba_index + 1) % dq->entry_count); | |
744 | return 1; | |
745 | } | |
746 | ||
e59058c4 | 747 | /** |
3621a710 | 748 | * lpfc_cmd_iocb - Get next command iocb entry in the ring |
e59058c4 JS |
749 | * @phba: Pointer to HBA context object. |
750 | * @pring: Pointer to driver SLI ring object. | |
751 | * | |
752 | * This function returns pointer to next command iocb entry | |
753 | * in the command ring. The caller must hold hbalock to prevent | |
754 | * other threads consume the next command iocb. | |
755 | * SLI-2/SLI-3 provide different sized iocbs. | |
756 | **/ | |
ed957684 JS |
757 | static inline IOCB_t * |
758 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
759 | { | |
7e56aa25 JS |
760 | return (IOCB_t *) (((char *) pring->sli.sli3.cmdringaddr) + |
761 | pring->sli.sli3.cmdidx * phba->iocb_cmd_size); | |
ed957684 JS |
762 | } |
763 | ||
e59058c4 | 764 | /** |
3621a710 | 765 | * lpfc_resp_iocb - Get next response iocb entry in the ring |
e59058c4 JS |
766 | * @phba: Pointer to HBA context object. |
767 | * @pring: Pointer to driver SLI ring object. | |
768 | * | |
769 | * This function returns pointer to next response iocb entry | |
770 | * in the response ring. The caller must hold hbalock to make sure | |
771 | * that no other thread consume the next response iocb. | |
772 | * SLI-2/SLI-3 provide different sized iocbs. | |
773 | **/ | |
ed957684 JS |
774 | static inline IOCB_t * |
775 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
776 | { | |
7e56aa25 JS |
777 | return (IOCB_t *) (((char *) pring->sli.sli3.rspringaddr) + |
778 | pring->sli.sli3.rspidx * phba->iocb_rsp_size); | |
ed957684 JS |
779 | } |
780 | ||
e59058c4 | 781 | /** |
3621a710 | 782 | * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
783 | * @phba: Pointer to HBA context object. |
784 | * | |
785 | * This function is called with hbalock held. This function | |
786 | * allocates a new driver iocb object from the iocb pool. If the | |
787 | * allocation is successful, it returns pointer to the newly | |
788 | * allocated iocb object else it returns NULL. | |
789 | **/ | |
4f2e66c6 | 790 | struct lpfc_iocbq * |
2e0fef85 | 791 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) |
0bd4ca25 JSEC |
792 | { |
793 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
794 | struct lpfc_iocbq * iocbq = NULL; | |
795 | ||
1c2ba475 JT |
796 | lockdep_assert_held(&phba->hbalock); |
797 | ||
0bd4ca25 | 798 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
2a9bf3d0 JS |
799 | if (iocbq) |
800 | phba->iocb_cnt++; | |
801 | if (phba->iocb_cnt > phba->iocb_max) | |
802 | phba->iocb_max = phba->iocb_cnt; | |
0bd4ca25 JSEC |
803 | return iocbq; |
804 | } | |
805 | ||
da0436e9 JS |
806 | /** |
807 | * __lpfc_clear_active_sglq - Remove the active sglq for this XRI. | |
808 | * @phba: Pointer to HBA context object. | |
809 | * @xritag: XRI value. | |
810 | * | |
811 | * This function clears the sglq pointer from the array of acive | |
812 | * sglq's. The xritag that is passed in is used to index into the | |
813 | * array. Before the xritag can be used it needs to be adjusted | |
814 | * by subtracting the xribase. | |
815 | * | |
816 | * Returns sglq ponter = success, NULL = Failure. | |
817 | **/ | |
895427bd | 818 | struct lpfc_sglq * |
da0436e9 JS |
819 | __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
820 | { | |
da0436e9 | 821 | struct lpfc_sglq *sglq; |
6d368e53 JS |
822 | |
823 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
824 | phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL; | |
da0436e9 JS |
825 | return sglq; |
826 | } | |
827 | ||
828 | /** | |
829 | * __lpfc_get_active_sglq - Get the active sglq for this XRI. | |
830 | * @phba: Pointer to HBA context object. | |
831 | * @xritag: XRI value. | |
832 | * | |
833 | * This function returns the sglq pointer from the array of acive | |
834 | * sglq's. The xritag that is passed in is used to index into the | |
835 | * array. Before the xritag can be used it needs to be adjusted | |
836 | * by subtracting the xribase. | |
837 | * | |
838 | * Returns sglq ponter = success, NULL = Failure. | |
839 | **/ | |
0f65ff68 | 840 | struct lpfc_sglq * |
da0436e9 JS |
841 | __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
842 | { | |
da0436e9 | 843 | struct lpfc_sglq *sglq; |
6d368e53 JS |
844 | |
845 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
da0436e9 JS |
846 | return sglq; |
847 | } | |
848 | ||
19ca7609 | 849 | /** |
1151e3ec | 850 | * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. |
19ca7609 JS |
851 | * @phba: Pointer to HBA context object. |
852 | * @xritag: xri used in this exchange. | |
853 | * @rrq: The RRQ to be cleared. | |
854 | * | |
19ca7609 | 855 | **/ |
1151e3ec JS |
856 | void |
857 | lpfc_clr_rrq_active(struct lpfc_hba *phba, | |
858 | uint16_t xritag, | |
859 | struct lpfc_node_rrq *rrq) | |
19ca7609 | 860 | { |
1151e3ec | 861 | struct lpfc_nodelist *ndlp = NULL; |
19ca7609 | 862 | |
1151e3ec JS |
863 | if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp)) |
864 | ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID); | |
19ca7609 JS |
865 | |
866 | /* The target DID could have been swapped (cable swap) | |
867 | * we should use the ndlp from the findnode if it is | |
868 | * available. | |
869 | */ | |
1151e3ec | 870 | if ((!ndlp) && rrq->ndlp) |
19ca7609 JS |
871 | ndlp = rrq->ndlp; |
872 | ||
1151e3ec JS |
873 | if (!ndlp) |
874 | goto out; | |
875 | ||
cff261f6 | 876 | if (test_and_clear_bit(xritag, ndlp->active_rrqs_xri_bitmap)) { |
19ca7609 JS |
877 | rrq->send_rrq = 0; |
878 | rrq->xritag = 0; | |
879 | rrq->rrq_stop_time = 0; | |
880 | } | |
1151e3ec | 881 | out: |
19ca7609 JS |
882 | mempool_free(rrq, phba->rrq_pool); |
883 | } | |
884 | ||
885 | /** | |
886 | * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV. | |
887 | * @phba: Pointer to HBA context object. | |
888 | * | |
889 | * This function is called with hbalock held. This function | |
890 | * Checks if stop_time (ratov from setting rrq active) has | |
891 | * been reached, if it has and the send_rrq flag is set then | |
892 | * it will call lpfc_send_rrq. If the send_rrq flag is not set | |
893 | * then it will just call the routine to clear the rrq and | |
894 | * free the rrq resource. | |
895 | * The timer is set to the next rrq that is going to expire before | |
896 | * leaving the routine. | |
897 | * | |
898 | **/ | |
899 | void | |
900 | lpfc_handle_rrq_active(struct lpfc_hba *phba) | |
901 | { | |
902 | struct lpfc_node_rrq *rrq; | |
903 | struct lpfc_node_rrq *nextrrq; | |
904 | unsigned long next_time; | |
905 | unsigned long iflags; | |
1151e3ec | 906 | LIST_HEAD(send_rrq); |
19ca7609 JS |
907 | |
908 | spin_lock_irqsave(&phba->hbalock, iflags); | |
909 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
256ec0d0 | 910 | next_time = jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); |
19ca7609 | 911 | list_for_each_entry_safe(rrq, nextrrq, |
1151e3ec JS |
912 | &phba->active_rrq_list, list) { |
913 | if (time_after(jiffies, rrq->rrq_stop_time)) | |
914 | list_move(&rrq->list, &send_rrq); | |
915 | else if (time_before(rrq->rrq_stop_time, next_time)) | |
19ca7609 JS |
916 | next_time = rrq->rrq_stop_time; |
917 | } | |
918 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
06918ac5 JS |
919 | if ((!list_empty(&phba->active_rrq_list)) && |
920 | (!(phba->pport->load_flag & FC_UNLOADING))) | |
19ca7609 | 921 | mod_timer(&phba->rrq_tmr, next_time); |
1151e3ec JS |
922 | list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) { |
923 | list_del(&rrq->list); | |
ffd43814 | 924 | if (!rrq->send_rrq) { |
1151e3ec | 925 | /* this call will free the rrq */ |
ffd43814 BVA |
926 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); |
927 | } else if (lpfc_send_rrq(phba, rrq)) { | |
1151e3ec JS |
928 | /* if we send the rrq then the completion handler |
929 | * will clear the bit in the xribitmap. | |
930 | */ | |
931 | lpfc_clr_rrq_active(phba, rrq->xritag, | |
932 | rrq); | |
933 | } | |
934 | } | |
19ca7609 JS |
935 | } |
936 | ||
937 | /** | |
938 | * lpfc_get_active_rrq - Get the active RRQ for this exchange. | |
939 | * @vport: Pointer to vport context object. | |
940 | * @xri: The xri used in the exchange. | |
941 | * @did: The targets DID for this exchange. | |
942 | * | |
943 | * returns NULL = rrq not found in the phba->active_rrq_list. | |
944 | * rrq = rrq for this xri and target. | |
945 | **/ | |
946 | struct lpfc_node_rrq * | |
947 | lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did) | |
948 | { | |
949 | struct lpfc_hba *phba = vport->phba; | |
950 | struct lpfc_node_rrq *rrq; | |
951 | struct lpfc_node_rrq *nextrrq; | |
952 | unsigned long iflags; | |
953 | ||
954 | if (phba->sli_rev != LPFC_SLI_REV4) | |
955 | return NULL; | |
956 | spin_lock_irqsave(&phba->hbalock, iflags); | |
957 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { | |
958 | if (rrq->vport == vport && rrq->xritag == xri && | |
959 | rrq->nlp_DID == did){ | |
960 | list_del(&rrq->list); | |
961 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
962 | return rrq; | |
963 | } | |
964 | } | |
965 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
966 | return NULL; | |
967 | } | |
968 | ||
969 | /** | |
970 | * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport. | |
971 | * @vport: Pointer to vport context object. | |
1151e3ec JS |
972 | * @ndlp: Pointer to the lpfc_node_list structure. |
973 | * If ndlp is NULL Remove all active RRQs for this vport from the | |
974 | * phba->active_rrq_list and clear the rrq. | |
975 | * If ndlp is not NULL then only remove rrqs for this vport & this ndlp. | |
19ca7609 JS |
976 | **/ |
977 | void | |
1151e3ec | 978 | lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
19ca7609 JS |
979 | |
980 | { | |
981 | struct lpfc_hba *phba = vport->phba; | |
982 | struct lpfc_node_rrq *rrq; | |
983 | struct lpfc_node_rrq *nextrrq; | |
984 | unsigned long iflags; | |
1151e3ec | 985 | LIST_HEAD(rrq_list); |
19ca7609 JS |
986 | |
987 | if (phba->sli_rev != LPFC_SLI_REV4) | |
988 | return; | |
1151e3ec JS |
989 | if (!ndlp) { |
990 | lpfc_sli4_vport_delete_els_xri_aborted(vport); | |
991 | lpfc_sli4_vport_delete_fcp_xri_aborted(vport); | |
19ca7609 | 992 | } |
1151e3ec JS |
993 | spin_lock_irqsave(&phba->hbalock, iflags); |
994 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) | |
995 | if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp)) | |
996 | list_move(&rrq->list, &rrq_list); | |
19ca7609 | 997 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
1151e3ec JS |
998 | |
999 | list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) { | |
1000 | list_del(&rrq->list); | |
1001 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
1002 | } | |
19ca7609 JS |
1003 | } |
1004 | ||
19ca7609 | 1005 | /** |
1151e3ec | 1006 | * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. |
19ca7609 JS |
1007 | * @phba: Pointer to HBA context object. |
1008 | * @ndlp: Targets nodelist pointer for this exchange. | |
7af29d45 | 1009 | * @xritag: the xri in the bitmap to test. |
19ca7609 | 1010 | * |
e2a8be56 JS |
1011 | * This function returns: |
1012 | * 0 = rrq not active for this xri | |
1013 | * 1 = rrq is valid for this xri. | |
19ca7609 | 1014 | **/ |
1151e3ec JS |
1015 | int |
1016 | lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
19ca7609 JS |
1017 | uint16_t xritag) |
1018 | { | |
19ca7609 JS |
1019 | if (!ndlp) |
1020 | return 0; | |
cff261f6 JS |
1021 | if (!ndlp->active_rrqs_xri_bitmap) |
1022 | return 0; | |
1023 | if (test_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
258f84fa | 1024 | return 1; |
19ca7609 JS |
1025 | else |
1026 | return 0; | |
1027 | } | |
1028 | ||
1029 | /** | |
1030 | * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap. | |
1031 | * @phba: Pointer to HBA context object. | |
1032 | * @ndlp: nodelist pointer for this target. | |
1033 | * @xritag: xri used in this exchange. | |
1034 | * @rxid: Remote Exchange ID. | |
1035 | * @send_rrq: Flag used to determine if we should send rrq els cmd. | |
1036 | * | |
1037 | * This function takes the hbalock. | |
1038 | * The active bit is always set in the active rrq xri_bitmap even | |
1039 | * if there is no slot avaiable for the other rrq information. | |
1040 | * | |
1041 | * returns 0 rrq actived for this xri | |
1042 | * < 0 No memory or invalid ndlp. | |
1043 | **/ | |
1044 | int | |
1045 | lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
b42c07c8 | 1046 | uint16_t xritag, uint16_t rxid, uint16_t send_rrq) |
19ca7609 | 1047 | { |
19ca7609 | 1048 | unsigned long iflags; |
b42c07c8 JS |
1049 | struct lpfc_node_rrq *rrq; |
1050 | int empty; | |
1051 | ||
1052 | if (!ndlp) | |
1053 | return -EINVAL; | |
1054 | ||
1055 | if (!phba->cfg_enable_rrq) | |
1056 | return -EINVAL; | |
19ca7609 JS |
1057 | |
1058 | spin_lock_irqsave(&phba->hbalock, iflags); | |
b42c07c8 JS |
1059 | if (phba->pport->load_flag & FC_UNLOADING) { |
1060 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
1061 | goto out; | |
1062 | } | |
1063 | ||
1064 | /* | |
1065 | * set the active bit even if there is no mem available. | |
1066 | */ | |
1067 | if (NLP_CHK_FREE_REQ(ndlp)) | |
1068 | goto out; | |
1069 | ||
1070 | if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) | |
1071 | goto out; | |
1072 | ||
cff261f6 JS |
1073 | if (!ndlp->active_rrqs_xri_bitmap) |
1074 | goto out; | |
1075 | ||
1076 | if (test_and_set_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
b42c07c8 JS |
1077 | goto out; |
1078 | ||
19ca7609 | 1079 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
9dace1fa | 1080 | rrq = mempool_alloc(phba->rrq_pool, GFP_ATOMIC); |
b42c07c8 JS |
1081 | if (!rrq) { |
1082 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
1083 | "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" | |
1084 | " DID:0x%x Send:%d\n", | |
1085 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
1086 | return -EINVAL; | |
1087 | } | |
e5771b4d JS |
1088 | if (phba->cfg_enable_rrq == 1) |
1089 | rrq->send_rrq = send_rrq; | |
1090 | else | |
1091 | rrq->send_rrq = 0; | |
b42c07c8 | 1092 | rrq->xritag = xritag; |
256ec0d0 JS |
1093 | rrq->rrq_stop_time = jiffies + |
1094 | msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); | |
b42c07c8 JS |
1095 | rrq->ndlp = ndlp; |
1096 | rrq->nlp_DID = ndlp->nlp_DID; | |
1097 | rrq->vport = ndlp->vport; | |
1098 | rrq->rxid = rxid; | |
b42c07c8 JS |
1099 | spin_lock_irqsave(&phba->hbalock, iflags); |
1100 | empty = list_empty(&phba->active_rrq_list); | |
1101 | list_add_tail(&rrq->list, &phba->active_rrq_list); | |
1102 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
1103 | if (empty) | |
1104 | lpfc_worker_wake_up(phba); | |
1105 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1106 | return 0; | |
1107 | out: | |
1108 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1109 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
1110 | "2921 Can't set rrq active xri:0x%x rxid:0x%x" | |
1111 | " DID:0x%x Send:%d\n", | |
1112 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
1113 | return -EINVAL; | |
19ca7609 JS |
1114 | } |
1115 | ||
da0436e9 | 1116 | /** |
895427bd | 1117 | * __lpfc_sli_get_els_sglq - Allocates an iocb object from sgl pool |
da0436e9 | 1118 | * @phba: Pointer to HBA context object. |
7af29d45 | 1119 | * @piocbq: Pointer to the iocbq. |
da0436e9 | 1120 | * |
e2a8be56 JS |
1121 | * The driver calls this function with either the nvme ls ring lock |
1122 | * or the fc els ring lock held depending on the iocb usage. This function | |
1123 | * gets a new driver sglq object from the sglq list. If the list is not empty | |
1124 | * then it is successful, it returns pointer to the newly allocated sglq | |
1125 | * object else it returns NULL. | |
da0436e9 JS |
1126 | **/ |
1127 | static struct lpfc_sglq * | |
895427bd | 1128 | __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) |
da0436e9 | 1129 | { |
895427bd | 1130 | struct list_head *lpfc_els_sgl_list = &phba->sli4_hba.lpfc_els_sgl_list; |
da0436e9 | 1131 | struct lpfc_sglq *sglq = NULL; |
19ca7609 | 1132 | struct lpfc_sglq *start_sglq = NULL; |
c490850a | 1133 | struct lpfc_io_buf *lpfc_cmd; |
19ca7609 | 1134 | struct lpfc_nodelist *ndlp; |
e2a8be56 | 1135 | struct lpfc_sli_ring *pring = NULL; |
19ca7609 JS |
1136 | int found = 0; |
1137 | ||
e2a8be56 JS |
1138 | if (piocbq->iocb_flag & LPFC_IO_NVME_LS) |
1139 | pring = phba->sli4_hba.nvmels_wq->pring; | |
1140 | else | |
1141 | pring = lpfc_phba_elsring(phba); | |
1142 | ||
1143 | lockdep_assert_held(&pring->ring_lock); | |
1c2ba475 | 1144 | |
19ca7609 | 1145 | if (piocbq->iocb_flag & LPFC_IO_FCP) { |
c490850a | 1146 | lpfc_cmd = (struct lpfc_io_buf *) piocbq->context1; |
19ca7609 | 1147 | ndlp = lpfc_cmd->rdata->pnode; |
be858b65 | 1148 | } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && |
6c7cf486 | 1149 | !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) { |
19ca7609 | 1150 | ndlp = piocbq->context_un.ndlp; |
6c7cf486 JS |
1151 | } else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) { |
1152 | if (piocbq->iocb_flag & LPFC_IO_LOOPBACK) | |
1153 | ndlp = NULL; | |
1154 | else | |
1155 | ndlp = piocbq->context_un.ndlp; | |
1156 | } else { | |
19ca7609 | 1157 | ndlp = piocbq->context1; |
6c7cf486 | 1158 | } |
19ca7609 | 1159 | |
895427bd JS |
1160 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
1161 | list_remove_head(lpfc_els_sgl_list, sglq, struct lpfc_sglq, list); | |
19ca7609 JS |
1162 | start_sglq = sglq; |
1163 | while (!found) { | |
1164 | if (!sglq) | |
d11f54b7 | 1165 | break; |
895427bd JS |
1166 | if (ndlp && ndlp->active_rrqs_xri_bitmap && |
1167 | test_bit(sglq->sli4_lxritag, | |
1168 | ndlp->active_rrqs_xri_bitmap)) { | |
19ca7609 JS |
1169 | /* This xri has an rrq outstanding for this DID. |
1170 | * put it back in the list and get another xri. | |
1171 | */ | |
895427bd | 1172 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 | 1173 | sglq = NULL; |
895427bd | 1174 | list_remove_head(lpfc_els_sgl_list, sglq, |
19ca7609 JS |
1175 | struct lpfc_sglq, list); |
1176 | if (sglq == start_sglq) { | |
14041bd1 | 1177 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 JS |
1178 | sglq = NULL; |
1179 | break; | |
1180 | } else | |
1181 | continue; | |
1182 | } | |
1183 | sglq->ndlp = ndlp; | |
1184 | found = 1; | |
6d368e53 | 1185 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; |
19ca7609 JS |
1186 | sglq->state = SGL_ALLOCATED; |
1187 | } | |
895427bd | 1188 | spin_unlock(&phba->sli4_hba.sgl_list_lock); |
da0436e9 JS |
1189 | return sglq; |
1190 | } | |
1191 | ||
f358dd0c JS |
1192 | /** |
1193 | * __lpfc_sli_get_nvmet_sglq - Allocates an iocb object from sgl pool | |
1194 | * @phba: Pointer to HBA context object. | |
7af29d45 | 1195 | * @piocbq: Pointer to the iocbq. |
f358dd0c JS |
1196 | * |
1197 | * This function is called with the sgl_list lock held. This function | |
1198 | * gets a new driver sglq object from the sglq list. If the | |
1199 | * list is not empty then it is successful, it returns pointer to the newly | |
1200 | * allocated sglq object else it returns NULL. | |
1201 | **/ | |
1202 | struct lpfc_sglq * | |
1203 | __lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) | |
1204 | { | |
1205 | struct list_head *lpfc_nvmet_sgl_list; | |
1206 | struct lpfc_sglq *sglq = NULL; | |
1207 | ||
1208 | lpfc_nvmet_sgl_list = &phba->sli4_hba.lpfc_nvmet_sgl_list; | |
1209 | ||
1210 | lockdep_assert_held(&phba->sli4_hba.sgl_list_lock); | |
1211 | ||
1212 | list_remove_head(lpfc_nvmet_sgl_list, sglq, struct lpfc_sglq, list); | |
1213 | if (!sglq) | |
1214 | return NULL; | |
1215 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; | |
1216 | sglq->state = SGL_ALLOCATED; | |
da0436e9 JS |
1217 | return sglq; |
1218 | } | |
1219 | ||
e59058c4 | 1220 | /** |
3621a710 | 1221 | * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
1222 | * @phba: Pointer to HBA context object. |
1223 | * | |
1224 | * This function is called with no lock held. This function | |
1225 | * allocates a new driver iocb object from the iocb pool. If the | |
1226 | * allocation is successful, it returns pointer to the newly | |
1227 | * allocated iocb object else it returns NULL. | |
1228 | **/ | |
2e0fef85 JS |
1229 | struct lpfc_iocbq * |
1230 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
1231 | { | |
1232 | struct lpfc_iocbq * iocbq = NULL; | |
1233 | unsigned long iflags; | |
1234 | ||
1235 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1236 | iocbq = __lpfc_sli_get_iocbq(phba); | |
1237 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1238 | return iocbq; | |
1239 | } | |
1240 | ||
4f774513 JS |
1241 | /** |
1242 | * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool | |
1243 | * @phba: Pointer to HBA context object. | |
1244 | * @iocbq: Pointer to driver iocb object. | |
1245 | * | |
88acb4d9 DK |
1246 | * This function is called to release the driver iocb object |
1247 | * to the iocb pool. The iotag in the iocb object | |
4f774513 JS |
1248 | * does not change for each use of the iocb object. This function |
1249 | * clears all other fields of the iocb object when it is freed. | |
1250 | * The sqlq structure that holds the xritag and phys and virtual | |
1251 | * mappings for the scatter gather list is retrieved from the | |
1252 | * active array of sglq. The get of the sglq pointer also clears | |
1253 | * the entry in the array. If the status of the IO indiactes that | |
1254 | * this IO was aborted then the sglq entry it put on the | |
1255 | * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the | |
1256 | * IO has good status or fails for any other reason then the sglq | |
88acb4d9 DK |
1257 | * entry is added to the free list (lpfc_els_sgl_list). The hbalock is |
1258 | * asserted held in the code path calling this routine. | |
4f774513 JS |
1259 | **/ |
1260 | static void | |
1261 | __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1262 | { | |
1263 | struct lpfc_sglq *sglq; | |
1264 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); | |
2a9bf3d0 | 1265 | unsigned long iflag = 0; |
895427bd | 1266 | struct lpfc_sli_ring *pring; |
4f774513 JS |
1267 | |
1268 | if (iocbq->sli4_xritag == NO_XRI) | |
1269 | sglq = NULL; | |
1270 | else | |
6d368e53 JS |
1271 | sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag); |
1272 | ||
0e9bb8d7 | 1273 | |
4f774513 | 1274 | if (sglq) { |
f358dd0c JS |
1275 | if (iocbq->iocb_flag & LPFC_IO_NVMET) { |
1276 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, | |
1277 | iflag); | |
1278 | sglq->state = SGL_FREED; | |
1279 | sglq->ndlp = NULL; | |
1280 | list_add_tail(&sglq->list, | |
1281 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
1282 | spin_unlock_irqrestore( | |
1283 | &phba->sli4_hba.sgl_list_lock, iflag); | |
1284 | goto out; | |
1285 | } | |
1286 | ||
895427bd | 1287 | pring = phba->sli4_hba.els_wq->pring; |
0f65ff68 JS |
1288 | if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) && |
1289 | (sglq->state != SGL_XRI_ABORTED)) { | |
895427bd JS |
1290 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1291 | iflag); | |
4f774513 | 1292 | list_add(&sglq->list, |
895427bd | 1293 | &phba->sli4_hba.lpfc_abts_els_sgl_list); |
4f774513 | 1294 | spin_unlock_irqrestore( |
895427bd | 1295 | &phba->sli4_hba.sgl_list_lock, iflag); |
0f65ff68 | 1296 | } else { |
895427bd JS |
1297 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1298 | iflag); | |
0f65ff68 | 1299 | sglq->state = SGL_FREED; |
19ca7609 | 1300 | sglq->ndlp = NULL; |
fedd3b7b | 1301 | list_add_tail(&sglq->list, |
895427bd JS |
1302 | &phba->sli4_hba.lpfc_els_sgl_list); |
1303 | spin_unlock_irqrestore( | |
1304 | &phba->sli4_hba.sgl_list_lock, iflag); | |
2a9bf3d0 JS |
1305 | |
1306 | /* Check if TXQ queue needs to be serviced */ | |
0e9bb8d7 | 1307 | if (!list_empty(&pring->txq)) |
2a9bf3d0 | 1308 | lpfc_worker_wake_up(phba); |
0f65ff68 | 1309 | } |
4f774513 JS |
1310 | } |
1311 | ||
f358dd0c | 1312 | out: |
4f774513 JS |
1313 | /* |
1314 | * Clean all volatile data fields, preserve iotag and node struct. | |
1315 | */ | |
1316 | memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
6d368e53 | 1317 | iocbq->sli4_lxritag = NO_XRI; |
4f774513 | 1318 | iocbq->sli4_xritag = NO_XRI; |
f358dd0c JS |
1319 | iocbq->iocb_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | |
1320 | LPFC_IO_NVME_LS); | |
4f774513 JS |
1321 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1322 | } | |
1323 | ||
2a9bf3d0 | 1324 | |
e59058c4 | 1325 | /** |
3772a991 | 1326 | * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool |
e59058c4 JS |
1327 | * @phba: Pointer to HBA context object. |
1328 | * @iocbq: Pointer to driver iocb object. | |
1329 | * | |
88acb4d9 DK |
1330 | * This function is called to release the driver iocb object to the |
1331 | * iocb pool. The iotag in the iocb object does not change for each | |
1332 | * use of the iocb object. This function clears all other fields of | |
1333 | * the iocb object when it is freed. The hbalock is asserted held in | |
1334 | * the code path calling this routine. | |
e59058c4 | 1335 | **/ |
a6ababd2 | 1336 | static void |
3772a991 | 1337 | __lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 1338 | { |
2e0fef85 | 1339 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 JB |
1340 | |
1341 | /* | |
1342 | * Clean all volatile data fields, preserve iotag and node struct. | |
1343 | */ | |
1344 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
3772a991 | 1345 | iocbq->sli4_xritag = NO_XRI; |
604a3e30 JB |
1346 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1347 | } | |
1348 | ||
3772a991 JS |
1349 | /** |
1350 | * __lpfc_sli_release_iocbq - Release iocb to the iocb pool | |
1351 | * @phba: Pointer to HBA context object. | |
1352 | * @iocbq: Pointer to driver iocb object. | |
1353 | * | |
1354 | * This function is called with hbalock held to release driver | |
1355 | * iocb object to the iocb pool. The iotag in the iocb object | |
1356 | * does not change for each use of the iocb object. This function | |
1357 | * clears all other fields of the iocb object when it is freed. | |
1358 | **/ | |
1359 | static void | |
1360 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1361 | { | |
1c2ba475 JT |
1362 | lockdep_assert_held(&phba->hbalock); |
1363 | ||
3772a991 | 1364 | phba->__lpfc_sli_release_iocbq(phba, iocbq); |
2a9bf3d0 | 1365 | phba->iocb_cnt--; |
3772a991 JS |
1366 | } |
1367 | ||
e59058c4 | 1368 | /** |
3621a710 | 1369 | * lpfc_sli_release_iocbq - Release iocb to the iocb pool |
e59058c4 JS |
1370 | * @phba: Pointer to HBA context object. |
1371 | * @iocbq: Pointer to driver iocb object. | |
1372 | * | |
1373 | * This function is called with no lock held to release the iocb to | |
1374 | * iocb pool. | |
1375 | **/ | |
2e0fef85 JS |
1376 | void |
1377 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1378 | { | |
1379 | unsigned long iflags; | |
1380 | ||
1381 | /* | |
1382 | * Clean all volatile data fields, preserve iotag and node struct. | |
1383 | */ | |
1384 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1385 | __lpfc_sli_release_iocbq(phba, iocbq); | |
1386 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1387 | } | |
1388 | ||
a257bf90 JS |
1389 | /** |
1390 | * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. | |
1391 | * @phba: Pointer to HBA context object. | |
1392 | * @iocblist: List of IOCBs. | |
1393 | * @ulpstatus: ULP status in IOCB command field. | |
1394 | * @ulpWord4: ULP word-4 in IOCB command field. | |
1395 | * | |
1396 | * This function is called with a list of IOCBs to cancel. It cancels the IOCB | |
1397 | * on the list by invoking the complete callback function associated with the | |
1398 | * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond | |
1399 | * fields. | |
1400 | **/ | |
1401 | void | |
1402 | lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, | |
1403 | uint32_t ulpstatus, uint32_t ulpWord4) | |
1404 | { | |
1405 | struct lpfc_iocbq *piocb; | |
1406 | ||
1407 | while (!list_empty(iocblist)) { | |
1408 | list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); | |
84f2ddf8 JS |
1409 | if (!piocb->iocb_cmpl) { |
1410 | if (piocb->iocb_flag & LPFC_IO_NVME) | |
1411 | lpfc_nvme_cancel_iocb(phba, piocb); | |
1412 | else | |
1413 | lpfc_sli_release_iocbq(phba, piocb); | |
1414 | } else { | |
a257bf90 JS |
1415 | piocb->iocb.ulpStatus = ulpstatus; |
1416 | piocb->iocb.un.ulpWord[4] = ulpWord4; | |
1417 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
1418 | } | |
1419 | } | |
1420 | return; | |
1421 | } | |
1422 | ||
e59058c4 | 1423 | /** |
3621a710 JS |
1424 | * lpfc_sli_iocb_cmd_type - Get the iocb type |
1425 | * @iocb_cmnd: iocb command code. | |
e59058c4 JS |
1426 | * |
1427 | * This function is called by ring event handler function to get the iocb type. | |
1428 | * This function translates the iocb command to an iocb command type used to | |
1429 | * decide the final disposition of each completed IOCB. | |
1430 | * The function returns | |
1431 | * LPFC_UNKNOWN_IOCB if it is an unsupported iocb | |
1432 | * LPFC_SOL_IOCB if it is a solicited iocb completion | |
1433 | * LPFC_ABORT_IOCB if it is an abort iocb | |
1434 | * LPFC_UNSOL_IOCB if it is an unsolicited iocb | |
1435 | * | |
1436 | * The caller is not required to hold any lock. | |
1437 | **/ | |
dea3101e JB |
1438 | static lpfc_iocb_type |
1439 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
1440 | { | |
1441 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
1442 | ||
1443 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
1444 | return 0; | |
1445 | ||
1446 | switch (iocb_cmnd) { | |
1447 | case CMD_XMIT_SEQUENCE_CR: | |
1448 | case CMD_XMIT_SEQUENCE_CX: | |
1449 | case CMD_XMIT_BCAST_CN: | |
1450 | case CMD_XMIT_BCAST_CX: | |
1451 | case CMD_ELS_REQUEST_CR: | |
1452 | case CMD_ELS_REQUEST_CX: | |
1453 | case CMD_CREATE_XRI_CR: | |
1454 | case CMD_CREATE_XRI_CX: | |
1455 | case CMD_GET_RPI_CN: | |
1456 | case CMD_XMIT_ELS_RSP_CX: | |
1457 | case CMD_GET_RPI_CR: | |
1458 | case CMD_FCP_IWRITE_CR: | |
1459 | case CMD_FCP_IWRITE_CX: | |
1460 | case CMD_FCP_IREAD_CR: | |
1461 | case CMD_FCP_IREAD_CX: | |
1462 | case CMD_FCP_ICMND_CR: | |
1463 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
1464 | case CMD_FCP_TSEND_CX: |
1465 | case CMD_FCP_TRSP_CX: | |
1466 | case CMD_FCP_TRECEIVE_CX: | |
1467 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e JB |
1468 | case CMD_ADAPTER_MSG: |
1469 | case CMD_ADAPTER_DUMP: | |
1470 | case CMD_XMIT_SEQUENCE64_CR: | |
1471 | case CMD_XMIT_SEQUENCE64_CX: | |
1472 | case CMD_XMIT_BCAST64_CN: | |
1473 | case CMD_XMIT_BCAST64_CX: | |
1474 | case CMD_ELS_REQUEST64_CR: | |
1475 | case CMD_ELS_REQUEST64_CX: | |
1476 | case CMD_FCP_IWRITE64_CR: | |
1477 | case CMD_FCP_IWRITE64_CX: | |
1478 | case CMD_FCP_IREAD64_CR: | |
1479 | case CMD_FCP_IREAD64_CX: | |
1480 | case CMD_FCP_ICMND64_CR: | |
1481 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
1482 | case CMD_FCP_TSEND64_CX: |
1483 | case CMD_FCP_TRSP64_CX: | |
1484 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e JB |
1485 | case CMD_GEN_REQUEST64_CR: |
1486 | case CMD_GEN_REQUEST64_CX: | |
1487 | case CMD_XMIT_ELS_RSP64_CX: | |
da0436e9 JS |
1488 | case DSSCMD_IWRITE64_CR: |
1489 | case DSSCMD_IWRITE64_CX: | |
1490 | case DSSCMD_IREAD64_CR: | |
1491 | case DSSCMD_IREAD64_CX: | |
c93764a6 | 1492 | case CMD_SEND_FRAME: |
dea3101e JB |
1493 | type = LPFC_SOL_IOCB; |
1494 | break; | |
1495 | case CMD_ABORT_XRI_CN: | |
1496 | case CMD_ABORT_XRI_CX: | |
1497 | case CMD_CLOSE_XRI_CN: | |
1498 | case CMD_CLOSE_XRI_CX: | |
1499 | case CMD_XRI_ABORTED_CX: | |
1500 | case CMD_ABORT_MXRI64_CN: | |
6669f9bb | 1501 | case CMD_XMIT_BLS_RSP64_CX: |
dea3101e JB |
1502 | type = LPFC_ABORT_IOCB; |
1503 | break; | |
1504 | case CMD_RCV_SEQUENCE_CX: | |
1505 | case CMD_RCV_ELS_REQ_CX: | |
1506 | case CMD_RCV_SEQUENCE64_CX: | |
1507 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 1508 | case CMD_ASYNC_STATUS: |
ed957684 JS |
1509 | case CMD_IOCB_RCV_SEQ64_CX: |
1510 | case CMD_IOCB_RCV_ELS64_CX: | |
1511 | case CMD_IOCB_RCV_CONT64_CX: | |
3163f725 | 1512 | case CMD_IOCB_RET_XRI64_CX: |
dea3101e JB |
1513 | type = LPFC_UNSOL_IOCB; |
1514 | break; | |
3163f725 JS |
1515 | case CMD_IOCB_XMIT_MSEQ64_CR: |
1516 | case CMD_IOCB_XMIT_MSEQ64_CX: | |
1517 | case CMD_IOCB_RCV_SEQ_LIST64_CX: | |
1518 | case CMD_IOCB_RCV_ELS_LIST64_CX: | |
1519 | case CMD_IOCB_CLOSE_EXTENDED_CN: | |
1520 | case CMD_IOCB_ABORT_EXTENDED_CN: | |
1521 | case CMD_IOCB_RET_HBQE64_CN: | |
1522 | case CMD_IOCB_FCP_IBIDIR64_CR: | |
1523 | case CMD_IOCB_FCP_IBIDIR64_CX: | |
1524 | case CMD_IOCB_FCP_ITASKMGT64_CX: | |
1525 | case CMD_IOCB_LOGENTRY_CN: | |
1526 | case CMD_IOCB_LOGENTRY_ASYNC_CN: | |
1527 | printk("%s - Unhandled SLI-3 Command x%x\n", | |
cadbd4a5 | 1528 | __func__, iocb_cmnd); |
3163f725 JS |
1529 | type = LPFC_UNKNOWN_IOCB; |
1530 | break; | |
dea3101e JB |
1531 | default: |
1532 | type = LPFC_UNKNOWN_IOCB; | |
1533 | break; | |
1534 | } | |
1535 | ||
1536 | return type; | |
1537 | } | |
1538 | ||
e59058c4 | 1539 | /** |
3621a710 | 1540 | * lpfc_sli_ring_map - Issue config_ring mbox for all rings |
e59058c4 JS |
1541 | * @phba: Pointer to HBA context object. |
1542 | * | |
1543 | * This function is called from SLI initialization code | |
1544 | * to configure every ring of the HBA's SLI interface. The | |
1545 | * caller is not required to hold any lock. This function issues | |
1546 | * a config_ring mailbox command for each ring. | |
1547 | * This function returns zero if successful else returns a negative | |
1548 | * error code. | |
1549 | **/ | |
dea3101e | 1550 | static int |
ed957684 | 1551 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e JB |
1552 | { |
1553 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
1554 | LPFC_MBOXQ_t *pmb; |
1555 | MAILBOX_t *pmbox; | |
1556 | int i, rc, ret = 0; | |
dea3101e | 1557 | |
ed957684 JS |
1558 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1559 | if (!pmb) | |
1560 | return -ENOMEM; | |
04c68496 | 1561 | pmbox = &pmb->u.mb; |
ed957684 | 1562 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 1563 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e JB |
1564 | lpfc_config_ring(phba, i, pmb); |
1565 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
1566 | if (rc != MBX_SUCCESS) { | |
372c187b | 1567 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 1568 | "0446 Adapter failed to init (%d), " |
dea3101e JB |
1569 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
1570 | "ring %d\n", | |
e8b62011 JS |
1571 | rc, pmbox->mbxCommand, |
1572 | pmbox->mbxStatus, i); | |
2e0fef85 | 1573 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
1574 | ret = -ENXIO; |
1575 | break; | |
dea3101e JB |
1576 | } |
1577 | } | |
ed957684 JS |
1578 | mempool_free(pmb, phba->mbox_mem_pool); |
1579 | return ret; | |
dea3101e JB |
1580 | } |
1581 | ||
e59058c4 | 1582 | /** |
3621a710 | 1583 | * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq |
e59058c4 JS |
1584 | * @phba: Pointer to HBA context object. |
1585 | * @pring: Pointer to driver SLI ring object. | |
1586 | * @piocb: Pointer to the driver iocb object. | |
1587 | * | |
e2a8be56 JS |
1588 | * The driver calls this function with the hbalock held for SLI3 ports or |
1589 | * the ring lock held for SLI4 ports. The function adds the | |
e59058c4 JS |
1590 | * new iocb to txcmplq of the given ring. This function always returns |
1591 | * 0. If this function is called for ELS ring, this function checks if | |
1592 | * there is a vport associated with the ELS command. This function also | |
1593 | * starts els_tmofunc timer if this is an ELS command. | |
1594 | **/ | |
dea3101e | 1595 | static int |
2e0fef85 JS |
1596 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
1597 | struct lpfc_iocbq *piocb) | |
dea3101e | 1598 | { |
e2a8be56 JS |
1599 | if (phba->sli_rev == LPFC_SLI_REV4) |
1600 | lockdep_assert_held(&pring->ring_lock); | |
1601 | else | |
1602 | lockdep_assert_held(&phba->hbalock); | |
1c2ba475 | 1603 | |
2319f847 | 1604 | BUG_ON(!piocb); |
22466da5 | 1605 | |
dea3101e | 1606 | list_add_tail(&piocb->list, &pring->txcmplq); |
4f2e66c6 | 1607 | piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ; |
c490850a | 1608 | pring->txcmplq_cnt++; |
2a9bf3d0 | 1609 | |
92d7f7b0 JS |
1610 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
1611 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
2319f847 MFO |
1612 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { |
1613 | BUG_ON(!piocb->vport); | |
1614 | if (!(piocb->vport->load_flag & FC_UNLOADING)) | |
1615 | mod_timer(&piocb->vport->els_tmofunc, | |
1616 | jiffies + | |
1617 | msecs_to_jiffies(1000 * (phba->fc_ratov << 1))); | |
1618 | } | |
dea3101e | 1619 | |
2e0fef85 | 1620 | return 0; |
dea3101e JB |
1621 | } |
1622 | ||
e59058c4 | 1623 | /** |
3621a710 | 1624 | * lpfc_sli_ringtx_get - Get first element of the txq |
e59058c4 JS |
1625 | * @phba: Pointer to HBA context object. |
1626 | * @pring: Pointer to driver SLI ring object. | |
1627 | * | |
1628 | * This function is called with hbalock held to get next | |
1629 | * iocb in txq of the given ring. If there is any iocb in | |
1630 | * the txq, the function returns first iocb in the list after | |
1631 | * removing the iocb from the list, else it returns NULL. | |
1632 | **/ | |
2a9bf3d0 | 1633 | struct lpfc_iocbq * |
2e0fef85 | 1634 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1635 | { |
dea3101e JB |
1636 | struct lpfc_iocbq *cmd_iocb; |
1637 | ||
1c2ba475 JT |
1638 | lockdep_assert_held(&phba->hbalock); |
1639 | ||
858c9f6c | 1640 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
2e0fef85 | 1641 | return cmd_iocb; |
dea3101e JB |
1642 | } |
1643 | ||
e59058c4 | 1644 | /** |
3621a710 | 1645 | * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring |
e59058c4 JS |
1646 | * @phba: Pointer to HBA context object. |
1647 | * @pring: Pointer to driver SLI ring object. | |
1648 | * | |
1649 | * This function is called with hbalock held and the caller must post the | |
1650 | * iocb without releasing the lock. If the caller releases the lock, | |
1651 | * iocb slot returned by the function is not guaranteed to be available. | |
1652 | * The function returns pointer to the next available iocb slot if there | |
1653 | * is available slot in the ring, else it returns NULL. | |
1654 | * If the get index of the ring is ahead of the put index, the function | |
1655 | * will post an error attention event to the worker thread to take the | |
1656 | * HBA to offline state. | |
1657 | **/ | |
dea3101e JB |
1658 | static IOCB_t * |
1659 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
1660 | { | |
34b02dcd | 1661 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
7e56aa25 | 1662 | uint32_t max_cmd_idx = pring->sli.sli3.numCiocb; |
1c2ba475 JT |
1663 | |
1664 | lockdep_assert_held(&phba->hbalock); | |
1665 | ||
7e56aa25 JS |
1666 | if ((pring->sli.sli3.next_cmdidx == pring->sli.sli3.cmdidx) && |
1667 | (++pring->sli.sli3.next_cmdidx >= max_cmd_idx)) | |
1668 | pring->sli.sli3.next_cmdidx = 0; | |
dea3101e | 1669 | |
7e56aa25 JS |
1670 | if (unlikely(pring->sli.sli3.local_getidx == |
1671 | pring->sli.sli3.next_cmdidx)) { | |
dea3101e | 1672 | |
7e56aa25 | 1673 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e | 1674 | |
7e56aa25 | 1675 | if (unlikely(pring->sli.sli3.local_getidx >= max_cmd_idx)) { |
372c187b | 1676 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 1677 | "0315 Ring %d issue: portCmdGet %d " |
025dfdaf | 1678 | "is bigger than cmd ring %d\n", |
e8b62011 | 1679 | pring->ringno, |
7e56aa25 JS |
1680 | pring->sli.sli3.local_getidx, |
1681 | max_cmd_idx); | |
dea3101e | 1682 | |
2e0fef85 | 1683 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
1684 | /* |
1685 | * All error attention handlers are posted to | |
1686 | * worker thread | |
1687 | */ | |
1688 | phba->work_ha |= HA_ERATT; | |
1689 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 1690 | |
5e9d9b82 | 1691 | lpfc_worker_wake_up(phba); |
dea3101e JB |
1692 | |
1693 | return NULL; | |
1694 | } | |
1695 | ||
7e56aa25 | 1696 | if (pring->sli.sli3.local_getidx == pring->sli.sli3.next_cmdidx) |
dea3101e JB |
1697 | return NULL; |
1698 | } | |
1699 | ||
ed957684 | 1700 | return lpfc_cmd_iocb(phba, pring); |
dea3101e JB |
1701 | } |
1702 | ||
e59058c4 | 1703 | /** |
3621a710 | 1704 | * lpfc_sli_next_iotag - Get an iotag for the iocb |
e59058c4 JS |
1705 | * @phba: Pointer to HBA context object. |
1706 | * @iocbq: Pointer to driver iocb object. | |
1707 | * | |
1708 | * This function gets an iotag for the iocb. If there is no unused iotag and | |
1709 | * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup | |
1710 | * array and assigns a new iotag. | |
1711 | * The function returns the allocated iotag if successful, else returns zero. | |
1712 | * Zero is not a valid iotag. | |
1713 | * The caller is not required to hold any lock. | |
1714 | **/ | |
604a3e30 | 1715 | uint16_t |
2e0fef85 | 1716 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 1717 | { |
2e0fef85 JS |
1718 | struct lpfc_iocbq **new_arr; |
1719 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
1720 | size_t new_len; |
1721 | struct lpfc_sli *psli = &phba->sli; | |
1722 | uint16_t iotag; | |
dea3101e | 1723 | |
2e0fef85 | 1724 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1725 | iotag = psli->last_iotag; |
1726 | if(++iotag < psli->iocbq_lookup_len) { | |
1727 | psli->last_iotag = iotag; | |
1728 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1729 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1730 | iocbq->iotag = iotag; |
1731 | return iotag; | |
2e0fef85 | 1732 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
1733 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
1734 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 | 1735 | spin_unlock_irq(&phba->hbalock); |
6396bb22 | 1736 | new_arr = kcalloc(new_len, sizeof(struct lpfc_iocbq *), |
604a3e30 JB |
1737 | GFP_KERNEL); |
1738 | if (new_arr) { | |
2e0fef85 | 1739 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1740 | old_arr = psli->iocbq_lookup; |
1741 | if (new_len <= psli->iocbq_lookup_len) { | |
1742 | /* highly unprobable case */ | |
1743 | kfree(new_arr); | |
1744 | iotag = psli->last_iotag; | |
1745 | if(++iotag < psli->iocbq_lookup_len) { | |
1746 | psli->last_iotag = iotag; | |
1747 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1748 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1749 | iocbq->iotag = iotag; |
1750 | return iotag; | |
1751 | } | |
2e0fef85 | 1752 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1753 | return 0; |
1754 | } | |
1755 | if (psli->iocbq_lookup) | |
1756 | memcpy(new_arr, old_arr, | |
1757 | ((psli->last_iotag + 1) * | |
311464ec | 1758 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
1759 | psli->iocbq_lookup = new_arr; |
1760 | psli->iocbq_lookup_len = new_len; | |
1761 | psli->last_iotag = iotag; | |
1762 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1763 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1764 | iocbq->iotag = iotag; |
1765 | kfree(old_arr); | |
1766 | return iotag; | |
1767 | } | |
8f6d98d2 | 1768 | } else |
2e0fef85 | 1769 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1770 | |
bc73905a | 1771 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
1772 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
1773 | psli->last_iotag); | |
dea3101e | 1774 | |
604a3e30 | 1775 | return 0; |
dea3101e JB |
1776 | } |
1777 | ||
e59058c4 | 1778 | /** |
3621a710 | 1779 | * lpfc_sli_submit_iocb - Submit an iocb to the firmware |
e59058c4 JS |
1780 | * @phba: Pointer to HBA context object. |
1781 | * @pring: Pointer to driver SLI ring object. | |
1782 | * @iocb: Pointer to iocb slot in the ring. | |
1783 | * @nextiocb: Pointer to driver iocb object which need to be | |
1784 | * posted to firmware. | |
1785 | * | |
88acb4d9 DK |
1786 | * This function is called to post a new iocb to the firmware. This |
1787 | * function copies the new iocb to ring iocb slot and updates the | |
1788 | * ring pointers. It adds the new iocb to txcmplq if there is | |
e59058c4 | 1789 | * a completion call back for this iocb else the function will free the |
88acb4d9 DK |
1790 | * iocb object. The hbalock is asserted held in the code path calling |
1791 | * this routine. | |
e59058c4 | 1792 | **/ |
dea3101e JB |
1793 | static void |
1794 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
1795 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
1796 | { | |
1797 | /* | |
604a3e30 | 1798 | * Set up an iotag |
dea3101e | 1799 | */ |
604a3e30 | 1800 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 1801 | |
e2a0a9d6 | 1802 | |
a58cbd52 JS |
1803 | if (pring->ringno == LPFC_ELS_RING) { |
1804 | lpfc_debugfs_slow_ring_trc(phba, | |
1805 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1806 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
1807 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
1808 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
1809 | } | |
1810 | ||
dea3101e JB |
1811 | /* |
1812 | * Issue iocb command to adapter | |
1813 | */ | |
92d7f7b0 | 1814 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e JB |
1815 | wmb(); |
1816 | pring->stats.iocb_cmd++; | |
1817 | ||
1818 | /* | |
1819 | * If there is no completion routine to call, we can release the | |
1820 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
1821 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
1822 | */ | |
1823 | if (nextiocb->iocb_cmpl) | |
1824 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 1825 | else |
2e0fef85 | 1826 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e JB |
1827 | |
1828 | /* | |
1829 | * Let the HBA know what IOCB slot will be the next one the | |
1830 | * driver will put a command into. | |
1831 | */ | |
7e56aa25 JS |
1832 | pring->sli.sli3.cmdidx = pring->sli.sli3.next_cmdidx; |
1833 | writel(pring->sli.sli3.cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); | |
dea3101e JB |
1834 | } |
1835 | ||
e59058c4 | 1836 | /** |
3621a710 | 1837 | * lpfc_sli_update_full_ring - Update the chip attention register |
e59058c4 JS |
1838 | * @phba: Pointer to HBA context object. |
1839 | * @pring: Pointer to driver SLI ring object. | |
1840 | * | |
1841 | * The caller is not required to hold any lock for calling this function. | |
1842 | * This function updates the chip attention bits for the ring to inform firmware | |
1843 | * that there are pending work to be done for this ring and requests an | |
1844 | * interrupt when there is space available in the ring. This function is | |
1845 | * called when the driver is unable to post more iocbs to the ring due | |
1846 | * to unavailability of space in the ring. | |
1847 | **/ | |
dea3101e | 1848 | static void |
2e0fef85 | 1849 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1850 | { |
1851 | int ringno = pring->ringno; | |
1852 | ||
1853 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
1854 | ||
1855 | wmb(); | |
1856 | ||
1857 | /* | |
1858 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
1859 | * The HBA will tell us when an IOCB entry is available. | |
1860 | */ | |
1861 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
1862 | readl(phba->CAregaddr); /* flush */ | |
1863 | ||
1864 | pring->stats.iocb_cmd_full++; | |
1865 | } | |
1866 | ||
e59058c4 | 1867 | /** |
3621a710 | 1868 | * lpfc_sli_update_ring - Update chip attention register |
e59058c4 JS |
1869 | * @phba: Pointer to HBA context object. |
1870 | * @pring: Pointer to driver SLI ring object. | |
1871 | * | |
1872 | * This function updates the chip attention register bit for the | |
1873 | * given ring to inform HBA that there is more work to be done | |
1874 | * in this ring. The caller is not required to hold any lock. | |
1875 | **/ | |
dea3101e | 1876 | static void |
2e0fef85 | 1877 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1878 | { |
1879 | int ringno = pring->ringno; | |
1880 | ||
1881 | /* | |
1882 | * Tell the HBA that there is work to do in this ring. | |
1883 | */ | |
34b02dcd JS |
1884 | if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) { |
1885 | wmb(); | |
1886 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
1887 | readl(phba->CAregaddr); /* flush */ | |
1888 | } | |
dea3101e JB |
1889 | } |
1890 | ||
e59058c4 | 1891 | /** |
3621a710 | 1892 | * lpfc_sli_resume_iocb - Process iocbs in the txq |
e59058c4 JS |
1893 | * @phba: Pointer to HBA context object. |
1894 | * @pring: Pointer to driver SLI ring object. | |
1895 | * | |
1896 | * This function is called with hbalock held to post pending iocbs | |
1897 | * in the txq to the firmware. This function is called when driver | |
1898 | * detects space available in the ring. | |
1899 | **/ | |
dea3101e | 1900 | static void |
2e0fef85 | 1901 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1902 | { |
1903 | IOCB_t *iocb; | |
1904 | struct lpfc_iocbq *nextiocb; | |
1905 | ||
1c2ba475 JT |
1906 | lockdep_assert_held(&phba->hbalock); |
1907 | ||
dea3101e JB |
1908 | /* |
1909 | * Check to see if: | |
1910 | * (a) there is anything on the txq to send | |
1911 | * (b) link is up | |
1912 | * (c) link attention events can be processed (fcp ring only) | |
1913 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
1914 | */ | |
0e9bb8d7 JS |
1915 | |
1916 | if (lpfc_is_link_up(phba) && | |
1917 | (!list_empty(&pring->txq)) && | |
895427bd | 1918 | (pring->ringno != LPFC_FCP_RING || |
0b727fea | 1919 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e JB |
1920 | |
1921 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
1922 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
1923 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
1924 | ||
1925 | if (iocb) | |
1926 | lpfc_sli_update_ring(phba, pring); | |
1927 | else | |
1928 | lpfc_sli_update_full_ring(phba, pring); | |
1929 | } | |
1930 | ||
1931 | return; | |
1932 | } | |
1933 | ||
e59058c4 | 1934 | /** |
3621a710 | 1935 | * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ |
e59058c4 JS |
1936 | * @phba: Pointer to HBA context object. |
1937 | * @hbqno: HBQ number. | |
1938 | * | |
1939 | * This function is called with hbalock held to get the next | |
1940 | * available slot for the given HBQ. If there is free slot | |
1941 | * available for the HBQ it will return pointer to the next available | |
1942 | * HBQ entry else it will return NULL. | |
1943 | **/ | |
a6ababd2 | 1944 | static struct lpfc_hbq_entry * |
ed957684 JS |
1945 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
1946 | { | |
1947 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1948 | ||
1c2ba475 JT |
1949 | lockdep_assert_held(&phba->hbalock); |
1950 | ||
ed957684 JS |
1951 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && |
1952 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
1953 | hbqp->next_hbqPutIdx = 0; | |
1954 | ||
1955 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 1956 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
1957 | uint32_t getidx = le32_to_cpu(raw_index); |
1958 | ||
1959 | hbqp->local_hbqGetIdx = getidx; | |
1960 | ||
1961 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
372c187b | 1962 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 1963 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 1964 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 1965 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
1966 | hbqp->entry_count); |
1967 | ||
1968 | phba->link_state = LPFC_HBA_ERROR; | |
1969 | return NULL; | |
1970 | } | |
1971 | ||
1972 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
1973 | return NULL; | |
1974 | } | |
1975 | ||
51ef4c26 JS |
1976 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
1977 | hbqp->hbqPutIdx; | |
ed957684 JS |
1978 | } |
1979 | ||
e59058c4 | 1980 | /** |
3621a710 | 1981 | * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers |
e59058c4 JS |
1982 | * @phba: Pointer to HBA context object. |
1983 | * | |
1984 | * This function is called with no lock held to free all the | |
1985 | * hbq buffers while uninitializing the SLI interface. It also | |
1986 | * frees the HBQ buffers returned by the firmware but not yet | |
1987 | * processed by the upper layers. | |
1988 | **/ | |
ed957684 JS |
1989 | void |
1990 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
1991 | { | |
92d7f7b0 JS |
1992 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
1993 | struct hbq_dmabuf *hbq_buf; | |
3163f725 | 1994 | unsigned long flags; |
51ef4c26 | 1995 | int i, hbq_count; |
ed957684 | 1996 | |
51ef4c26 | 1997 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 1998 | /* Return all memory used by all HBQs */ |
3163f725 | 1999 | spin_lock_irqsave(&phba->hbalock, flags); |
51ef4c26 JS |
2000 | for (i = 0; i < hbq_count; ++i) { |
2001 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
2002 | &phba->hbqs[i].hbq_buffer_list, list) { | |
2003 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
2004 | list_del(&hbq_buf->dbuf.list); | |
2005 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
2006 | } | |
a8adb832 | 2007 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 2008 | } |
3163f725 JS |
2009 | |
2010 | /* Mark the HBQs not in use */ | |
2011 | phba->hbq_in_use = 0; | |
2012 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
ed957684 JS |
2013 | } |
2014 | ||
e59058c4 | 2015 | /** |
3621a710 | 2016 | * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware |
e59058c4 JS |
2017 | * @phba: Pointer to HBA context object. |
2018 | * @hbqno: HBQ number. | |
2019 | * @hbq_buf: Pointer to HBQ buffer. | |
2020 | * | |
2021 | * This function is called with the hbalock held to post a | |
2022 | * hbq buffer to the firmware. If the function finds an empty | |
2023 | * slot in the HBQ, it will post the buffer. The function will return | |
2024 | * pointer to the hbq entry if it successfully post the buffer | |
2025 | * else it will return NULL. | |
2026 | **/ | |
3772a991 | 2027 | static int |
ed957684 | 2028 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 2029 | struct hbq_dmabuf *hbq_buf) |
3772a991 | 2030 | { |
1c2ba475 | 2031 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
2032 | return phba->lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buf); |
2033 | } | |
2034 | ||
2035 | /** | |
2036 | * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware | |
2037 | * @phba: Pointer to HBA context object. | |
2038 | * @hbqno: HBQ number. | |
2039 | * @hbq_buf: Pointer to HBQ buffer. | |
2040 | * | |
2041 | * This function is called with the hbalock held to post a hbq buffer to the | |
2042 | * firmware. If the function finds an empty slot in the HBQ, it will post the | |
2043 | * buffer and place it on the hbq_buffer_list. The function will return zero if | |
2044 | * it successfully post the buffer else it will return an error. | |
2045 | **/ | |
2046 | static int | |
2047 | lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba *phba, uint32_t hbqno, | |
2048 | struct hbq_dmabuf *hbq_buf) | |
ed957684 JS |
2049 | { |
2050 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 2051 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 | 2052 | |
1c2ba475 | 2053 | lockdep_assert_held(&phba->hbalock); |
ed957684 JS |
2054 | /* Get next HBQ entry slot to use */ |
2055 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
2056 | if (hbqe) { | |
2057 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
2058 | ||
92d7f7b0 JS |
2059 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
2060 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
895427bd | 2061 | hbqe->bde.tus.f.bdeSize = hbq_buf->total_size; |
ed957684 | 2062 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
2063 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
2064 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
2065 | /* Sync SLIM */ | |
ed957684 JS |
2066 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
2067 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 2068 | /* flush */ |
ed957684 | 2069 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 2070 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
3772a991 JS |
2071 | return 0; |
2072 | } else | |
2073 | return -ENOMEM; | |
ed957684 JS |
2074 | } |
2075 | ||
4f774513 JS |
2076 | /** |
2077 | * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware | |
2078 | * @phba: Pointer to HBA context object. | |
2079 | * @hbqno: HBQ number. | |
2080 | * @hbq_buf: Pointer to HBQ buffer. | |
2081 | * | |
2082 | * This function is called with the hbalock held to post an RQE to the SLI4 | |
2083 | * firmware. If able to post the RQE to the RQ it will queue the hbq entry to | |
2084 | * the hbq_buffer_list and return zero, otherwise it will return an error. | |
2085 | **/ | |
2086 | static int | |
2087 | lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba *phba, uint32_t hbqno, | |
2088 | struct hbq_dmabuf *hbq_buf) | |
2089 | { | |
2090 | int rc; | |
2091 | struct lpfc_rqe hrqe; | |
2092 | struct lpfc_rqe drqe; | |
895427bd JS |
2093 | struct lpfc_queue *hrq; |
2094 | struct lpfc_queue *drq; | |
2095 | ||
2096 | if (hbqno != LPFC_ELS_HBQ) | |
2097 | return 1; | |
2098 | hrq = phba->sli4_hba.hdr_rq; | |
2099 | drq = phba->sli4_hba.dat_rq; | |
4f774513 | 2100 | |
1c2ba475 | 2101 | lockdep_assert_held(&phba->hbalock); |
4f774513 JS |
2102 | hrqe.address_lo = putPaddrLow(hbq_buf->hbuf.phys); |
2103 | hrqe.address_hi = putPaddrHigh(hbq_buf->hbuf.phys); | |
2104 | drqe.address_lo = putPaddrLow(hbq_buf->dbuf.phys); | |
2105 | drqe.address_hi = putPaddrHigh(hbq_buf->dbuf.phys); | |
895427bd | 2106 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); |
4f774513 JS |
2107 | if (rc < 0) |
2108 | return rc; | |
895427bd | 2109 | hbq_buf->tag = (rc | (hbqno << 16)); |
4f774513 JS |
2110 | list_add_tail(&hbq_buf->dbuf.list, &phba->hbqs[hbqno].hbq_buffer_list); |
2111 | return 0; | |
2112 | } | |
2113 | ||
e59058c4 | 2114 | /* HBQ for ELS and CT traffic. */ |
92d7f7b0 JS |
2115 | static struct lpfc_hbq_init lpfc_els_hbq = { |
2116 | .rn = 1, | |
def9c7a9 | 2117 | .entry_count = 256, |
92d7f7b0 JS |
2118 | .mask_count = 0, |
2119 | .profile = 0, | |
51ef4c26 | 2120 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 | 2121 | .buffer_count = 0, |
a257bf90 JS |
2122 | .init_count = 40, |
2123 | .add_count = 40, | |
92d7f7b0 | 2124 | }; |
ed957684 | 2125 | |
e59058c4 | 2126 | /* Array of HBQs */ |
78b2d852 | 2127 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 JS |
2128 | &lpfc_els_hbq, |
2129 | }; | |
ed957684 | 2130 | |
e59058c4 | 2131 | /** |
3621a710 | 2132 | * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ |
e59058c4 JS |
2133 | * @phba: Pointer to HBA context object. |
2134 | * @hbqno: HBQ number. | |
2135 | * @count: Number of HBQ buffers to be posted. | |
2136 | * | |
d7c255b2 JS |
2137 | * This function is called with no lock held to post more hbq buffers to the |
2138 | * given HBQ. The function returns the number of HBQ buffers successfully | |
2139 | * posted. | |
e59058c4 | 2140 | **/ |
311464ec | 2141 | static int |
92d7f7b0 | 2142 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 2143 | { |
d7c255b2 | 2144 | uint32_t i, posted = 0; |
3163f725 | 2145 | unsigned long flags; |
92d7f7b0 | 2146 | struct hbq_dmabuf *hbq_buffer; |
d7c255b2 | 2147 | LIST_HEAD(hbq_buf_list); |
eafe1df9 | 2148 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) |
51ef4c26 | 2149 | return 0; |
51ef4c26 | 2150 | |
d7c255b2 JS |
2151 | if ((phba->hbqs[hbqno].buffer_count + count) > |
2152 | lpfc_hbq_defs[hbqno]->entry_count) | |
2153 | count = lpfc_hbq_defs[hbqno]->entry_count - | |
2154 | phba->hbqs[hbqno].buffer_count; | |
2155 | if (!count) | |
2156 | return 0; | |
2157 | /* Allocate HBQ entries */ | |
2158 | for (i = 0; i < count; i++) { | |
2159 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
2160 | if (!hbq_buffer) | |
2161 | break; | |
2162 | list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list); | |
2163 | } | |
3163f725 JS |
2164 | /* Check whether HBQ is still in use */ |
2165 | spin_lock_irqsave(&phba->hbalock, flags); | |
eafe1df9 | 2166 | if (!phba->hbq_in_use) |
d7c255b2 JS |
2167 | goto err; |
2168 | while (!list_empty(&hbq_buf_list)) { | |
2169 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
2170 | dbuf.list); | |
2171 | hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count | | |
2172 | (hbqno << 16)); | |
3772a991 | 2173 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { |
a8adb832 | 2174 | phba->hbqs[hbqno].buffer_count++; |
d7c255b2 JS |
2175 | posted++; |
2176 | } else | |
51ef4c26 | 2177 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 | 2178 | } |
3163f725 | 2179 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
2180 | return posted; |
2181 | err: | |
eafe1df9 | 2182 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
2183 | while (!list_empty(&hbq_buf_list)) { |
2184 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
2185 | dbuf.list); | |
2186 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
2187 | } | |
2188 | return 0; | |
ed957684 JS |
2189 | } |
2190 | ||
e59058c4 | 2191 | /** |
3621a710 | 2192 | * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware |
e59058c4 JS |
2193 | * @phba: Pointer to HBA context object. |
2194 | * @qno: HBQ number. | |
2195 | * | |
2196 | * This function posts more buffers to the HBQ. This function | |
d7c255b2 JS |
2197 | * is called with no lock held. The function returns the number of HBQ entries |
2198 | * successfully allocated. | |
e59058c4 | 2199 | **/ |
92d7f7b0 JS |
2200 | int |
2201 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 2202 | { |
def9c7a9 JS |
2203 | if (phba->sli_rev == LPFC_SLI_REV4) |
2204 | return 0; | |
2205 | else | |
2206 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2207 | lpfc_hbq_defs[qno]->add_count); | |
92d7f7b0 | 2208 | } |
ed957684 | 2209 | |
e59058c4 | 2210 | /** |
3621a710 | 2211 | * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ |
e59058c4 JS |
2212 | * @phba: Pointer to HBA context object. |
2213 | * @qno: HBQ queue number. | |
2214 | * | |
2215 | * This function is called from SLI initialization code path with | |
2216 | * no lock held to post initial HBQ buffers to firmware. The | |
d7c255b2 | 2217 | * function returns the number of HBQ entries successfully allocated. |
e59058c4 | 2218 | **/ |
a6ababd2 | 2219 | static int |
92d7f7b0 JS |
2220 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
2221 | { | |
def9c7a9 JS |
2222 | if (phba->sli_rev == LPFC_SLI_REV4) |
2223 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
73d91e50 | 2224 | lpfc_hbq_defs[qno]->entry_count); |
def9c7a9 JS |
2225 | else |
2226 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2227 | lpfc_hbq_defs[qno]->init_count); | |
ed957684 JS |
2228 | } |
2229 | ||
7af29d45 | 2230 | /* |
3772a991 | 2231 | * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list |
3772a991 JS |
2232 | * |
2233 | * This function removes the first hbq buffer on an hbq list and returns a | |
2234 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2235 | **/ | |
2236 | static struct hbq_dmabuf * | |
2237 | lpfc_sli_hbqbuf_get(struct list_head *rb_list) | |
2238 | { | |
2239 | struct lpfc_dmabuf *d_buf; | |
2240 | ||
2241 | list_remove_head(rb_list, d_buf, struct lpfc_dmabuf, list); | |
2242 | if (!d_buf) | |
2243 | return NULL; | |
2244 | return container_of(d_buf, struct hbq_dmabuf, dbuf); | |
2245 | } | |
2246 | ||
2d7dbc4c JS |
2247 | /** |
2248 | * lpfc_sli_rqbuf_get - Remove the first dma buffer off of an RQ list | |
2249 | * @phba: Pointer to HBA context object. | |
7af29d45 | 2250 | * @hrq: HBQ number. |
2d7dbc4c JS |
2251 | * |
2252 | * This function removes the first RQ buffer on an RQ buffer list and returns a | |
2253 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2254 | **/ | |
2255 | static struct rqb_dmabuf * | |
2256 | lpfc_sli_rqbuf_get(struct lpfc_hba *phba, struct lpfc_queue *hrq) | |
2257 | { | |
2258 | struct lpfc_dmabuf *h_buf; | |
2259 | struct lpfc_rqb *rqbp; | |
2260 | ||
2261 | rqbp = hrq->rqbp; | |
2262 | list_remove_head(&rqbp->rqb_buffer_list, h_buf, | |
2263 | struct lpfc_dmabuf, list); | |
2264 | if (!h_buf) | |
2265 | return NULL; | |
2266 | rqbp->buffer_count--; | |
2267 | return container_of(h_buf, struct rqb_dmabuf, hbuf); | |
2268 | } | |
2269 | ||
e59058c4 | 2270 | /** |
3621a710 | 2271 | * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag |
e59058c4 JS |
2272 | * @phba: Pointer to HBA context object. |
2273 | * @tag: Tag of the hbq buffer. | |
2274 | * | |
71892418 SH |
2275 | * This function searches for the hbq buffer associated with the given tag in |
2276 | * the hbq buffer list. If it finds the hbq buffer, it returns the hbq_buffer | |
2277 | * otherwise it returns NULL. | |
e59058c4 | 2278 | **/ |
a6ababd2 | 2279 | static struct hbq_dmabuf * |
92d7f7b0 | 2280 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 2281 | { |
92d7f7b0 JS |
2282 | struct lpfc_dmabuf *d_buf; |
2283 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
2284 | uint32_t hbqno; |
2285 | ||
2286 | hbqno = tag >> 16; | |
a0a74e45 | 2287 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 2288 | return NULL; |
ed957684 | 2289 | |
3772a991 | 2290 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2291 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 2292 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 2293 | if (hbq_buf->tag == tag) { |
3772a991 | 2294 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2295 | return hbq_buf; |
ed957684 JS |
2296 | } |
2297 | } | |
3772a991 | 2298 | spin_unlock_irq(&phba->hbalock); |
372c187b | 2299 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 2300 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 2301 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 2302 | return NULL; |
ed957684 JS |
2303 | } |
2304 | ||
e59058c4 | 2305 | /** |
3621a710 | 2306 | * lpfc_sli_free_hbq - Give back the hbq buffer to firmware |
e59058c4 JS |
2307 | * @phba: Pointer to HBA context object. |
2308 | * @hbq_buffer: Pointer to HBQ buffer. | |
2309 | * | |
2310 | * This function is called with hbalock. This function gives back | |
2311 | * the hbq buffer to firmware. If the HBQ does not have space to | |
2312 | * post the buffer, it will free the buffer. | |
2313 | **/ | |
ed957684 | 2314 | void |
51ef4c26 | 2315 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
2316 | { |
2317 | uint32_t hbqno; | |
2318 | ||
51ef4c26 JS |
2319 | if (hbq_buffer) { |
2320 | hbqno = hbq_buffer->tag >> 16; | |
3772a991 | 2321 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
51ef4c26 | 2322 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 JS |
2323 | } |
2324 | } | |
2325 | ||
e59058c4 | 2326 | /** |
3621a710 | 2327 | * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox |
e59058c4 JS |
2328 | * @mbxCommand: mailbox command code. |
2329 | * | |
2330 | * This function is called by the mailbox event handler function to verify | |
2331 | * that the completed mailbox command is a legitimate mailbox command. If the | |
2332 | * completed mailbox is not known to the function, it will return MBX_SHUTDOWN | |
2333 | * and the mailbox event handler will take the HBA offline. | |
2334 | **/ | |
dea3101e JB |
2335 | static int |
2336 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
2337 | { | |
2338 | uint8_t ret; | |
2339 | ||
2340 | switch (mbxCommand) { | |
2341 | case MBX_LOAD_SM: | |
2342 | case MBX_READ_NV: | |
2343 | case MBX_WRITE_NV: | |
a8adb832 | 2344 | case MBX_WRITE_VPARMS: |
dea3101e JB |
2345 | case MBX_RUN_BIU_DIAG: |
2346 | case MBX_INIT_LINK: | |
2347 | case MBX_DOWN_LINK: | |
2348 | case MBX_CONFIG_LINK: | |
2349 | case MBX_CONFIG_RING: | |
2350 | case MBX_RESET_RING: | |
2351 | case MBX_READ_CONFIG: | |
2352 | case MBX_READ_RCONFIG: | |
2353 | case MBX_READ_SPARM: | |
2354 | case MBX_READ_STATUS: | |
2355 | case MBX_READ_RPI: | |
2356 | case MBX_READ_XRI: | |
2357 | case MBX_READ_REV: | |
2358 | case MBX_READ_LNK_STAT: | |
2359 | case MBX_REG_LOGIN: | |
2360 | case MBX_UNREG_LOGIN: | |
dea3101e JB |
2361 | case MBX_CLEAR_LA: |
2362 | case MBX_DUMP_MEMORY: | |
2363 | case MBX_DUMP_CONTEXT: | |
2364 | case MBX_RUN_DIAGS: | |
2365 | case MBX_RESTART: | |
2366 | case MBX_UPDATE_CFG: | |
2367 | case MBX_DOWN_LOAD: | |
2368 | case MBX_DEL_LD_ENTRY: | |
2369 | case MBX_RUN_PROGRAM: | |
2370 | case MBX_SET_MASK: | |
09372820 | 2371 | case MBX_SET_VARIABLE: |
dea3101e | 2372 | case MBX_UNREG_D_ID: |
41415862 | 2373 | case MBX_KILL_BOARD: |
dea3101e | 2374 | case MBX_CONFIG_FARP: |
41415862 | 2375 | case MBX_BEACON: |
dea3101e JB |
2376 | case MBX_LOAD_AREA: |
2377 | case MBX_RUN_BIU_DIAG64: | |
2378 | case MBX_CONFIG_PORT: | |
2379 | case MBX_READ_SPARM64: | |
2380 | case MBX_READ_RPI64: | |
2381 | case MBX_REG_LOGIN64: | |
76a95d75 | 2382 | case MBX_READ_TOPOLOGY: |
09372820 | 2383 | case MBX_WRITE_WWN: |
dea3101e JB |
2384 | case MBX_SET_DEBUG: |
2385 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 2386 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
2387 | case MBX_REG_VPI: |
2388 | case MBX_UNREG_VPI: | |
858c9f6c | 2389 | case MBX_HEARTBEAT: |
84774a4d JS |
2390 | case MBX_PORT_CAPABILITIES: |
2391 | case MBX_PORT_IOV_CONTROL: | |
04c68496 JS |
2392 | case MBX_SLI4_CONFIG: |
2393 | case MBX_SLI4_REQ_FTRS: | |
2394 | case MBX_REG_FCFI: | |
2395 | case MBX_UNREG_FCFI: | |
2396 | case MBX_REG_VFI: | |
2397 | case MBX_UNREG_VFI: | |
2398 | case MBX_INIT_VPI: | |
2399 | case MBX_INIT_VFI: | |
2400 | case MBX_RESUME_RPI: | |
c7495937 JS |
2401 | case MBX_READ_EVENT_LOG_STATUS: |
2402 | case MBX_READ_EVENT_LOG: | |
dcf2a4e0 JS |
2403 | case MBX_SECURITY_MGMT: |
2404 | case MBX_AUTH_PORT: | |
940eb687 | 2405 | case MBX_ACCESS_VDATA: |
dea3101e JB |
2406 | ret = mbxCommand; |
2407 | break; | |
2408 | default: | |
2409 | ret = MBX_SHUTDOWN; | |
2410 | break; | |
2411 | } | |
2e0fef85 | 2412 | return ret; |
dea3101e | 2413 | } |
e59058c4 JS |
2414 | |
2415 | /** | |
3621a710 | 2416 | * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler |
e59058c4 JS |
2417 | * @phba: Pointer to HBA context object. |
2418 | * @pmboxq: Pointer to mailbox command. | |
2419 | * | |
2420 | * This is completion handler function for mailbox commands issued from | |
2421 | * lpfc_sli_issue_mbox_wait function. This function is called by the | |
2422 | * mailbox event handler function with no lock held. This function | |
2423 | * will wake up thread waiting on the wait queue pointed by context1 | |
2424 | * of the mailbox. | |
2425 | **/ | |
04c68496 | 2426 | void |
2e0fef85 | 2427 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e | 2428 | { |
858c9f6c | 2429 | unsigned long drvr_flag; |
e29d74f8 | 2430 | struct completion *pmbox_done; |
dea3101e JB |
2431 | |
2432 | /* | |
e29d74f8 | 2433 | * If pmbox_done is empty, the driver thread gave up waiting and |
dea3101e JB |
2434 | * continued running. |
2435 | */ | |
7054a606 | 2436 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 2437 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
e29d74f8 JS |
2438 | pmbox_done = (struct completion *)pmboxq->context3; |
2439 | if (pmbox_done) | |
2440 | complete(pmbox_done); | |
858c9f6c | 2441 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
2442 | return; |
2443 | } | |
2444 | ||
b95b2119 JS |
2445 | static void |
2446 | __lpfc_sli_rpi_release(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
2447 | { | |
2448 | unsigned long iflags; | |
2449 | ||
2450 | if (ndlp->nlp_flag & NLP_RELEASE_RPI) { | |
2451 | lpfc_sli4_free_rpi(vport->phba, ndlp->nlp_rpi); | |
2452 | spin_lock_irqsave(&vport->phba->ndlp_lock, iflags); | |
2453 | ndlp->nlp_flag &= ~NLP_RELEASE_RPI; | |
2454 | ndlp->nlp_rpi = LPFC_RPI_ALLOC_ERROR; | |
2455 | spin_unlock_irqrestore(&vport->phba->ndlp_lock, iflags); | |
2456 | } | |
2457 | ndlp->nlp_flag &= ~NLP_UNREG_INP; | |
2458 | } | |
e59058c4 JS |
2459 | |
2460 | /** | |
3621a710 | 2461 | * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler |
e59058c4 JS |
2462 | * @phba: Pointer to HBA context object. |
2463 | * @pmb: Pointer to mailbox object. | |
2464 | * | |
2465 | * This function is the default mailbox completion handler. It | |
2466 | * frees the memory resources associated with the completed mailbox | |
2467 | * command. If the completed command is a REG_LOGIN mailbox command, | |
2468 | * this function will issue a UREG_LOGIN to re-claim the RPI. | |
2469 | **/ | |
dea3101e | 2470 | void |
2e0fef85 | 2471 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2472 | { |
d439d286 | 2473 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2474 | struct lpfc_dmabuf *mp; |
d439d286 | 2475 | struct lpfc_nodelist *ndlp; |
5af5eee7 | 2476 | struct Scsi_Host *shost; |
04c68496 | 2477 | uint16_t rpi, vpi; |
7054a606 JS |
2478 | int rc; |
2479 | ||
3e1f0718 | 2480 | mp = (struct lpfc_dmabuf *)(pmb->ctx_buf); |
7054a606 | 2481 | |
dea3101e JB |
2482 | if (mp) { |
2483 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2484 | kfree(mp); | |
2485 | } | |
7054a606 JS |
2486 | |
2487 | /* | |
2488 | * If a REG_LOGIN succeeded after node is destroyed or node | |
2489 | * is in re-discovery driver need to cleanup the RPI. | |
2490 | */ | |
2e0fef85 | 2491 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
04c68496 JS |
2492 | pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 && |
2493 | !pmb->u.mb.mbxStatus) { | |
2494 | rpi = pmb->u.mb.un.varWords[0]; | |
6d368e53 | 2495 | vpi = pmb->u.mb.un.varRegLogin.vpi; |
38503943 JS |
2496 | if (phba->sli_rev == LPFC_SLI_REV4) |
2497 | vpi -= phba->sli4_hba.max_cfg_param.vpi_base; | |
04c68496 | 2498 | lpfc_unreg_login(phba, vpi, rpi, pmb); |
de96e9c5 | 2499 | pmb->vport = vport; |
92d7f7b0 | 2500 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
7054a606 JS |
2501 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
2502 | if (rc != MBX_NOT_FINISHED) | |
2503 | return; | |
2504 | } | |
2505 | ||
695a814e JS |
2506 | if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) && |
2507 | !(phba->pport->load_flag & FC_UNLOADING) && | |
2508 | !pmb->u.mb.mbxStatus) { | |
5af5eee7 JS |
2509 | shost = lpfc_shost_from_vport(vport); |
2510 | spin_lock_irq(shost->host_lock); | |
2511 | vport->vpi_state |= LPFC_VPI_REGISTERED; | |
2512 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
2513 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
2514 | } |
2515 | ||
d439d286 | 2516 | if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
3e1f0718 | 2517 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; |
d439d286 | 2518 | lpfc_nlp_put(ndlp); |
dea16bda JS |
2519 | pmb->ctx_buf = NULL; |
2520 | pmb->ctx_ndlp = NULL; | |
2521 | } | |
2522 | ||
2523 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { | |
2524 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; | |
2525 | ||
2526 | /* Check to see if there are any deferred events to process */ | |
2527 | if (ndlp) { | |
2528 | lpfc_printf_vlog( | |
2529 | vport, | |
2530 | KERN_INFO, LOG_MBOX | LOG_DISCOVERY, | |
2531 | "1438 UNREG cmpl deferred mbox x%x " | |
32350664 | 2532 | "on NPort x%x Data: x%x x%x %px\n", |
dea16bda JS |
2533 | ndlp->nlp_rpi, ndlp->nlp_DID, |
2534 | ndlp->nlp_flag, ndlp->nlp_defer_did, ndlp); | |
2535 | ||
2536 | if ((ndlp->nlp_flag & NLP_UNREG_INP) && | |
2537 | (ndlp->nlp_defer_did != NLP_EVT_NOTHING_PENDING)) { | |
00292e03 | 2538 | ndlp->nlp_flag &= ~NLP_UNREG_INP; |
dea16bda JS |
2539 | ndlp->nlp_defer_did = NLP_EVT_NOTHING_PENDING; |
2540 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
00292e03 | 2541 | } else { |
b95b2119 | 2542 | __lpfc_sli_rpi_release(vport, ndlp); |
dea16bda | 2543 | } |
97acd001 JS |
2544 | if (vport->load_flag & FC_UNLOADING) |
2545 | lpfc_nlp_put(ndlp); | |
9b164068 | 2546 | pmb->ctx_ndlp = NULL; |
dea16bda | 2547 | } |
d439d286 JS |
2548 | } |
2549 | ||
dcf2a4e0 JS |
2550 | /* Check security permission status on INIT_LINK mailbox command */ |
2551 | if ((pmb->u.mb.mbxCommand == MBX_INIT_LINK) && | |
2552 | (pmb->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
372c187b | 2553 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
dcf2a4e0 JS |
2554 | "2860 SLI authentication is required " |
2555 | "for INIT_LINK but has not done yet\n"); | |
2556 | ||
04c68496 JS |
2557 | if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG) |
2558 | lpfc_sli4_mbox_cmd_free(phba, pmb); | |
2559 | else | |
2560 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2561 | } |
be6bb941 JS |
2562 | /** |
2563 | * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler | |
2564 | * @phba: Pointer to HBA context object. | |
2565 | * @pmb: Pointer to mailbox object. | |
2566 | * | |
2567 | * This function is the unreg rpi mailbox completion handler. It | |
2568 | * frees the memory resources associated with the completed mailbox | |
2569 | * command. An additional refrenece is put on the ndlp to prevent | |
2570 | * lpfc_nlp_release from freeing the rpi bit in the bitmask before | |
2571 | * the unreg mailbox command completes, this routine puts the | |
2572 | * reference back. | |
2573 | * | |
2574 | **/ | |
2575 | void | |
2576 | lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2577 | { | |
2578 | struct lpfc_vport *vport = pmb->vport; | |
2579 | struct lpfc_nodelist *ndlp; | |
2580 | ||
3e1f0718 | 2581 | ndlp = pmb->ctx_ndlp; |
be6bb941 JS |
2582 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { |
2583 | if (phba->sli_rev == LPFC_SLI_REV4 && | |
2584 | (bf_get(lpfc_sli_intf_if_type, | |
27d6ac0a | 2585 | &phba->sli4_hba.sli_intf) >= |
be6bb941 JS |
2586 | LPFC_SLI_INTF_IF_TYPE_2)) { |
2587 | if (ndlp) { | |
dea16bda JS |
2588 | lpfc_printf_vlog( |
2589 | vport, KERN_INFO, LOG_MBOX | LOG_SLI, | |
2590 | "0010 UNREG_LOGIN vpi:%x " | |
2591 | "rpi:%x DID:%x defer x%x flg x%x " | |
32350664 | 2592 | "map:%x %px\n", |
dea16bda JS |
2593 | vport->vpi, ndlp->nlp_rpi, |
2594 | ndlp->nlp_DID, ndlp->nlp_defer_did, | |
2595 | ndlp->nlp_flag, | |
2596 | ndlp->nlp_usg_map, ndlp); | |
7c5e518c | 2597 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
be6bb941 | 2598 | lpfc_nlp_put(ndlp); |
dea16bda JS |
2599 | |
2600 | /* Check to see if there are any deferred | |
2601 | * events to process | |
2602 | */ | |
2603 | if ((ndlp->nlp_flag & NLP_UNREG_INP) && | |
2604 | (ndlp->nlp_defer_did != | |
2605 | NLP_EVT_NOTHING_PENDING)) { | |
2606 | lpfc_printf_vlog( | |
2607 | vport, KERN_INFO, LOG_DISCOVERY, | |
2608 | "4111 UNREG cmpl deferred " | |
2609 | "clr x%x on " | |
32350664 | 2610 | "NPort x%x Data: x%x x%px\n", |
dea16bda JS |
2611 | ndlp->nlp_rpi, ndlp->nlp_DID, |
2612 | ndlp->nlp_defer_did, ndlp); | |
00292e03 | 2613 | ndlp->nlp_flag &= ~NLP_UNREG_INP; |
dea16bda JS |
2614 | ndlp->nlp_defer_did = |
2615 | NLP_EVT_NOTHING_PENDING; | |
2616 | lpfc_issue_els_plogi( | |
2617 | vport, ndlp->nlp_DID, 0); | |
00292e03 | 2618 | } else { |
b95b2119 | 2619 | __lpfc_sli_rpi_release(vport, ndlp); |
dea16bda | 2620 | } |
be6bb941 JS |
2621 | } |
2622 | } | |
2623 | } | |
2624 | ||
2625 | mempool_free(pmb, phba->mbox_mem_pool); | |
2626 | } | |
dea3101e | 2627 | |
e59058c4 | 2628 | /** |
3621a710 | 2629 | * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware |
e59058c4 JS |
2630 | * @phba: Pointer to HBA context object. |
2631 | * | |
2632 | * This function is called with no lock held. This function processes all | |
2633 | * the completed mailbox commands and gives it to upper layers. The interrupt | |
2634 | * service routine processes mailbox completion interrupt and adds completed | |
2635 | * mailbox commands to the mboxq_cmpl queue and signals the worker thread. | |
2636 | * Worker thread call lpfc_sli_handle_mb_event, which will return the | |
2637 | * completed mailbox commands in mboxq_cmpl queue to the upper layers. This | |
2638 | * function returns the mailbox commands to the upper layer by calling the | |
2639 | * completion handler function of each mailbox. | |
2640 | **/ | |
dea3101e | 2641 | int |
2e0fef85 | 2642 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 2643 | { |
92d7f7b0 | 2644 | MAILBOX_t *pmbox; |
dea3101e | 2645 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
2646 | int rc; |
2647 | LIST_HEAD(cmplq); | |
dea3101e JB |
2648 | |
2649 | phba->sli.slistat.mbox_event++; | |
2650 | ||
92d7f7b0 JS |
2651 | /* Get all completed mailboxe buffers into the cmplq */ |
2652 | spin_lock_irq(&phba->hbalock); | |
2653 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
2654 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 2655 | |
92d7f7b0 JS |
2656 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
2657 | do { | |
2658 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
2659 | if (pmb == NULL) | |
2660 | break; | |
2e0fef85 | 2661 | |
04c68496 | 2662 | pmbox = &pmb->u.mb; |
dea3101e | 2663 | |
858c9f6c JS |
2664 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
2665 | if (pmb->vport) { | |
2666 | lpfc_debugfs_disc_trc(pmb->vport, | |
2667 | LPFC_DISC_TRC_MBOX_VPORT, | |
2668 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
2669 | (uint32_t)pmbox->mbxCommand, | |
2670 | pmbox->un.varWords[0], | |
2671 | pmbox->un.varWords[1]); | |
2672 | } | |
2673 | else { | |
2674 | lpfc_debugfs_disc_trc(phba->pport, | |
2675 | LPFC_DISC_TRC_MBOX, | |
2676 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
2677 | (uint32_t)pmbox->mbxCommand, | |
2678 | pmbox->un.varWords[0], | |
2679 | pmbox->un.varWords[1]); | |
2680 | } | |
2681 | } | |
2682 | ||
dea3101e JB |
2683 | /* |
2684 | * It is a fatal error if unknown mbox command completion. | |
2685 | */ | |
2686 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
2687 | MBX_SHUTDOWN) { | |
af901ca1 | 2688 | /* Unknown mailbox command compl */ |
372c187b | 2689 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 2690 | "(%d):0323 Unknown Mailbox command " |
a183a15f | 2691 | "x%x (x%x/x%x) Cmpl\n", |
43bfea1b JS |
2692 | pmb->vport ? pmb->vport->vpi : |
2693 | LPFC_VPORT_UNKNOWN, | |
04c68496 | 2694 | pmbox->mbxCommand, |
a183a15f JS |
2695 | lpfc_sli_config_mbox_subsys_get(phba, |
2696 | pmb), | |
2697 | lpfc_sli_config_mbox_opcode_get(phba, | |
2698 | pmb)); | |
2e0fef85 | 2699 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2700 | phba->work_hs = HS_FFER3; |
2701 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 2702 | continue; |
dea3101e JB |
2703 | } |
2704 | ||
dea3101e JB |
2705 | if (pmbox->mbxStatus) { |
2706 | phba->sli.slistat.mbox_stat_err++; | |
2707 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
2708 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 | 2709 | lpfc_printf_log(phba, KERN_INFO, |
a183a15f JS |
2710 | LOG_MBOX | LOG_SLI, |
2711 | "(%d):0305 Mbox cmd cmpl " | |
2712 | "error - RETRYing Data: x%x " | |
2713 | "(x%x/x%x) x%x x%x x%x\n", | |
43bfea1b JS |
2714 | pmb->vport ? pmb->vport->vpi : |
2715 | LPFC_VPORT_UNKNOWN, | |
a183a15f JS |
2716 | pmbox->mbxCommand, |
2717 | lpfc_sli_config_mbox_subsys_get(phba, | |
2718 | pmb), | |
2719 | lpfc_sli_config_mbox_opcode_get(phba, | |
2720 | pmb), | |
2721 | pmbox->mbxStatus, | |
2722 | pmbox->un.varWords[0], | |
43bfea1b JS |
2723 | pmb->vport ? pmb->vport->port_state : |
2724 | LPFC_VPORT_UNKNOWN); | |
dea3101e JB |
2725 | pmbox->mbxStatus = 0; |
2726 | pmbox->mbxOwner = OWN_HOST; | |
dea3101e | 2727 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
04c68496 | 2728 | if (rc != MBX_NOT_FINISHED) |
92d7f7b0 | 2729 | continue; |
dea3101e JB |
2730 | } |
2731 | } | |
2732 | ||
2733 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 2734 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
2d44d165 | 2735 | "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl %ps " |
e74c03c8 JS |
2736 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " |
2737 | "x%x x%x x%x\n", | |
92d7f7b0 | 2738 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e | 2739 | pmbox->mbxCommand, |
a183a15f JS |
2740 | lpfc_sli_config_mbox_subsys_get(phba, pmb), |
2741 | lpfc_sli_config_mbox_opcode_get(phba, pmb), | |
dea3101e JB |
2742 | pmb->mbox_cmpl, |
2743 | *((uint32_t *) pmbox), | |
2744 | pmbox->un.varWords[0], | |
2745 | pmbox->un.varWords[1], | |
2746 | pmbox->un.varWords[2], | |
2747 | pmbox->un.varWords[3], | |
2748 | pmbox->un.varWords[4], | |
2749 | pmbox->un.varWords[5], | |
2750 | pmbox->un.varWords[6], | |
e74c03c8 JS |
2751 | pmbox->un.varWords[7], |
2752 | pmbox->un.varWords[8], | |
2753 | pmbox->un.varWords[9], | |
2754 | pmbox->un.varWords[10]); | |
dea3101e | 2755 | |
92d7f7b0 | 2756 | if (pmb->mbox_cmpl) |
dea3101e | 2757 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
2758 | } while (1); |
2759 | return 0; | |
2760 | } | |
dea3101e | 2761 | |
e59058c4 | 2762 | /** |
3621a710 | 2763 | * lpfc_sli_get_buff - Get the buffer associated with the buffer tag |
e59058c4 JS |
2764 | * @phba: Pointer to HBA context object. |
2765 | * @pring: Pointer to driver SLI ring object. | |
2766 | * @tag: buffer tag. | |
2767 | * | |
2768 | * This function is called with no lock held. When QUE_BUFTAG_BIT bit | |
2769 | * is set in the tag the buffer is posted for a particular exchange, | |
2770 | * the function will return the buffer without replacing the buffer. | |
2771 | * If the buffer is for unsolicited ELS or CT traffic, this function | |
2772 | * returns the buffer and also posts another buffer to the firmware. | |
2773 | **/ | |
76bb24ef JS |
2774 | static struct lpfc_dmabuf * |
2775 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
9f1e1b50 JS |
2776 | struct lpfc_sli_ring *pring, |
2777 | uint32_t tag) | |
76bb24ef | 2778 | { |
9f1e1b50 JS |
2779 | struct hbq_dmabuf *hbq_entry; |
2780 | ||
76bb24ef JS |
2781 | if (tag & QUE_BUFTAG_BIT) |
2782 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
9f1e1b50 JS |
2783 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
2784 | if (!hbq_entry) | |
2785 | return NULL; | |
2786 | return &hbq_entry->dbuf; | |
76bb24ef | 2787 | } |
57127f15 | 2788 | |
3a8070c5 JS |
2789 | /** |
2790 | * lpfc_nvme_unsol_ls_handler - Process an unsolicited event data buffer | |
2791 | * containing a NVME LS request. | |
2792 | * @phba: pointer to lpfc hba data structure. | |
2793 | * @piocb: pointer to the iocbq struct representing the sequence starting | |
2794 | * frame. | |
2795 | * | |
2796 | * This routine initially validates the NVME LS, validates there is a login | |
2797 | * with the port that sent the LS, and then calls the appropriate nvme host | |
2798 | * or target LS request handler. | |
2799 | **/ | |
2800 | static void | |
2801 | lpfc_nvme_unsol_ls_handler(struct lpfc_hba *phba, struct lpfc_iocbq *piocb) | |
2802 | { | |
2803 | struct lpfc_nodelist *ndlp; | |
2804 | struct lpfc_dmabuf *d_buf; | |
2805 | struct hbq_dmabuf *nvmebuf; | |
2806 | struct fc_frame_header *fc_hdr; | |
2807 | struct lpfc_async_xchg_ctx *axchg = NULL; | |
2808 | char *failwhy = NULL; | |
2809 | uint32_t oxid, sid, did, fctl, size; | |
4e57e0b9 | 2810 | int ret = 1; |
3a8070c5 JS |
2811 | |
2812 | d_buf = piocb->context2; | |
2813 | ||
2814 | nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
2815 | fc_hdr = nvmebuf->hbuf.virt; | |
2816 | oxid = be16_to_cpu(fc_hdr->fh_ox_id); | |
2817 | sid = sli4_sid_from_fc_hdr(fc_hdr); | |
2818 | did = sli4_did_from_fc_hdr(fc_hdr); | |
2819 | fctl = (fc_hdr->fh_f_ctl[0] << 16 | | |
2820 | fc_hdr->fh_f_ctl[1] << 8 | | |
2821 | fc_hdr->fh_f_ctl[2]); | |
2822 | size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl); | |
2823 | ||
2824 | lpfc_nvmeio_data(phba, "NVME LS RCV: xri x%x sz %d from %06x\n", | |
2825 | oxid, size, sid); | |
2826 | ||
2827 | if (phba->pport->load_flag & FC_UNLOADING) { | |
2828 | failwhy = "Driver Unloading"; | |
2829 | } else if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) { | |
2830 | failwhy = "NVME FC4 Disabled"; | |
2831 | } else if (!phba->nvmet_support && !phba->pport->localport) { | |
2832 | failwhy = "No Localport"; | |
2833 | } else if (phba->nvmet_support && !phba->targetport) { | |
2834 | failwhy = "No Targetport"; | |
2835 | } else if (unlikely(fc_hdr->fh_r_ctl != FC_RCTL_ELS4_REQ)) { | |
2836 | failwhy = "Bad NVME LS R_CTL"; | |
2837 | } else if (unlikely((fctl & 0x00FF0000) != | |
2838 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT))) { | |
2839 | failwhy = "Bad NVME LS F_CTL"; | |
2840 | } else { | |
2841 | axchg = kzalloc(sizeof(*axchg), GFP_ATOMIC); | |
2842 | if (!axchg) | |
2843 | failwhy = "No CTX memory"; | |
2844 | } | |
2845 | ||
2846 | if (unlikely(failwhy)) { | |
372c187b | 2847 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3a8070c5 JS |
2848 | "6154 Drop NVME LS: SID %06X OXID x%X: %s\n", |
2849 | sid, oxid, failwhy); | |
2850 | goto out_fail; | |
2851 | } | |
2852 | ||
2853 | /* validate the source of the LS is logged in */ | |
2854 | ndlp = lpfc_findnode_did(phba->pport, sid); | |
2855 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || | |
2856 | ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && | |
2857 | (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) { | |
2858 | lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, | |
2859 | "6216 NVME Unsol rcv: No ndlp: " | |
2860 | "NPort_ID x%x oxid x%x\n", | |
2861 | sid, oxid); | |
2862 | goto out_fail; | |
2863 | } | |
2864 | ||
2865 | axchg->phba = phba; | |
2866 | axchg->ndlp = ndlp; | |
2867 | axchg->size = size; | |
2868 | axchg->oxid = oxid; | |
2869 | axchg->sid = sid; | |
2870 | axchg->wqeq = NULL; | |
2871 | axchg->state = LPFC_NVME_STE_LS_RCV; | |
2872 | axchg->entry_cnt = 1; | |
2873 | axchg->rqb_buffer = (void *)nvmebuf; | |
2874 | axchg->hdwq = &phba->sli4_hba.hdwq[0]; | |
2875 | axchg->payload = nvmebuf->dbuf.virt; | |
2876 | INIT_LIST_HEAD(&axchg->list); | |
2877 | ||
2878 | if (phba->nvmet_support) | |
2879 | ret = lpfc_nvmet_handle_lsreq(phba, axchg); | |
2880 | else | |
2881 | ret = lpfc_nvme_handle_lsreq(phba, axchg); | |
2882 | ||
2883 | /* if zero, LS was successfully handled. If non-zero, LS not handled */ | |
2884 | if (!ret) | |
2885 | return; | |
2886 | ||
372c187b | 2887 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3a8070c5 JS |
2888 | "6155 Drop NVME LS from DID %06X: SID %06X OXID x%X " |
2889 | "NVMe%s handler failed %d\n", | |
2890 | did, sid, oxid, | |
2891 | (phba->nvmet_support) ? "T" : "I", ret); | |
2892 | ||
2893 | out_fail: | |
3a8070c5 JS |
2894 | |
2895 | /* recycle receive buffer */ | |
2896 | lpfc_in_buf_free(phba, &nvmebuf->dbuf); | |
2897 | ||
2898 | /* If start of new exchange, abort it */ | |
4e57e0b9 JS |
2899 | if (axchg && (fctl & FC_FC_FIRST_SEQ && !(fctl & FC_FC_EX_CTX))) |
2900 | ret = lpfc_nvme_unsol_ls_issue_abort(phba, axchg, sid, oxid); | |
2901 | ||
2902 | if (ret) | |
2903 | kfree(axchg); | |
3a8070c5 JS |
2904 | } |
2905 | ||
3772a991 JS |
2906 | /** |
2907 | * lpfc_complete_unsol_iocb - Complete an unsolicited sequence | |
2908 | * @phba: Pointer to HBA context object. | |
2909 | * @pring: Pointer to driver SLI ring object. | |
2910 | * @saveq: Pointer to the iocbq struct representing the sequence starting frame. | |
2911 | * @fch_r_ctl: the r_ctl for the first frame of the sequence. | |
2912 | * @fch_type: the type for the first frame of the sequence. | |
2913 | * | |
2914 | * This function is called with no lock held. This function uses the r_ctl and | |
2915 | * type of the received sequence to find the correct callback function to call | |
2916 | * to process the sequence. | |
2917 | **/ | |
2918 | static int | |
2919 | lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2920 | struct lpfc_iocbq *saveq, uint32_t fch_r_ctl, | |
2921 | uint32_t fch_type) | |
2922 | { | |
2923 | int i; | |
2924 | ||
f358dd0c JS |
2925 | switch (fch_type) { |
2926 | case FC_TYPE_NVME: | |
3a8070c5 | 2927 | lpfc_nvme_unsol_ls_handler(phba, saveq); |
f358dd0c JS |
2928 | return 1; |
2929 | default: | |
2930 | break; | |
2931 | } | |
2932 | ||
3772a991 JS |
2933 | /* unSolicited Responses */ |
2934 | if (pring->prt[0].profile) { | |
2935 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) | |
2936 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
2937 | saveq); | |
2938 | return 1; | |
2939 | } | |
2940 | /* We must search, based on rctl / type | |
2941 | for the right routine */ | |
2942 | for (i = 0; i < pring->num_mask; i++) { | |
2943 | if ((pring->prt[i].rctl == fch_r_ctl) && | |
2944 | (pring->prt[i].type == fch_type)) { | |
2945 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2946 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2947 | (phba, pring, saveq); | |
2948 | return 1; | |
2949 | } | |
2950 | } | |
2951 | return 0; | |
2952 | } | |
e59058c4 JS |
2953 | |
2954 | /** | |
3621a710 | 2955 | * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler |
e59058c4 JS |
2956 | * @phba: Pointer to HBA context object. |
2957 | * @pring: Pointer to driver SLI ring object. | |
2958 | * @saveq: Pointer to the unsolicited iocb. | |
2959 | * | |
2960 | * This function is called with no lock held by the ring event handler | |
2961 | * when there is an unsolicited iocb posted to the response ring by the | |
2962 | * firmware. This function gets the buffer associated with the iocbs | |
2963 | * and calls the event handler for the ring. This function handles both | |
2964 | * qring buffers and hbq buffers. | |
2965 | * When the function returns 1 the caller can free the iocb object otherwise | |
2966 | * upper layer functions will free the iocb objects. | |
2967 | **/ | |
dea3101e JB |
2968 | static int |
2969 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2970 | struct lpfc_iocbq *saveq) | |
2971 | { | |
2972 | IOCB_t * irsp; | |
2973 | WORD5 * w5p; | |
2974 | uint32_t Rctl, Type; | |
76bb24ef | 2975 | struct lpfc_iocbq *iocbq; |
3163f725 | 2976 | struct lpfc_dmabuf *dmzbuf; |
dea3101e | 2977 | |
dea3101e | 2978 | irsp = &(saveq->iocb); |
57127f15 JS |
2979 | |
2980 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { | |
2981 | if (pring->lpfc_sli_rcv_async_status) | |
2982 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
2983 | else | |
2984 | lpfc_printf_log(phba, | |
2985 | KERN_WARNING, | |
2986 | LOG_SLI, | |
2987 | "0316 Ring %d handler: unexpected " | |
2988 | "ASYNC_STATUS iocb received evt_code " | |
2989 | "0x%x\n", | |
2990 | pring->ringno, | |
2991 | irsp->un.asyncstat.evt_code); | |
2992 | return 1; | |
2993 | } | |
2994 | ||
3163f725 JS |
2995 | if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && |
2996 | (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { | |
2997 | if (irsp->ulpBdeCount > 0) { | |
2998 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2999 | irsp->un.ulpWord[3]); | |
3000 | lpfc_in_buf_free(phba, dmzbuf); | |
3001 | } | |
3002 | ||
3003 | if (irsp->ulpBdeCount > 1) { | |
3004 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
3005 | irsp->unsli3.sli3Words[3]); | |
3006 | lpfc_in_buf_free(phba, dmzbuf); | |
3007 | } | |
3008 | ||
3009 | if (irsp->ulpBdeCount > 2) { | |
3010 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
3011 | irsp->unsli3.sli3Words[7]); | |
3012 | lpfc_in_buf_free(phba, dmzbuf); | |
3013 | } | |
3014 | ||
3015 | return 1; | |
3016 | } | |
3017 | ||
92d7f7b0 | 3018 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
3019 | if (irsp->ulpBdeCount != 0) { |
3020 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
3021 | irsp->un.ulpWord[3]); | |
3022 | if (!saveq->context2) | |
3023 | lpfc_printf_log(phba, | |
3024 | KERN_ERR, | |
3025 | LOG_SLI, | |
3026 | "0341 Ring %d Cannot find buffer for " | |
3027 | "an unsolicited iocb. tag 0x%x\n", | |
3028 | pring->ringno, | |
3029 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
3030 | } |
3031 | if (irsp->ulpBdeCount == 2) { | |
3032 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
3033 | irsp->unsli3.sli3Words[7]); | |
3034 | if (!saveq->context3) | |
3035 | lpfc_printf_log(phba, | |
3036 | KERN_ERR, | |
3037 | LOG_SLI, | |
3038 | "0342 Ring %d Cannot find buffer for an" | |
3039 | " unsolicited iocb. tag 0x%x\n", | |
3040 | pring->ringno, | |
3041 | irsp->unsli3.sli3Words[7]); | |
3042 | } | |
3043 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 3044 | irsp = &(iocbq->iocb); |
76bb24ef JS |
3045 | if (irsp->ulpBdeCount != 0) { |
3046 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
3047 | irsp->un.ulpWord[3]); | |
9c2face6 | 3048 | if (!iocbq->context2) |
76bb24ef JS |
3049 | lpfc_printf_log(phba, |
3050 | KERN_ERR, | |
3051 | LOG_SLI, | |
3052 | "0343 Ring %d Cannot find " | |
3053 | "buffer for an unsolicited iocb" | |
3054 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 3055 | irsp->un.ulpWord[3]); |
76bb24ef JS |
3056 | } |
3057 | if (irsp->ulpBdeCount == 2) { | |
3058 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 3059 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 3060 | if (!iocbq->context3) |
76bb24ef JS |
3061 | lpfc_printf_log(phba, |
3062 | KERN_ERR, | |
3063 | LOG_SLI, | |
3064 | "0344 Ring %d Cannot find " | |
3065 | "buffer for an unsolicited " | |
3066 | "iocb. tag 0x%x\n", | |
3067 | pring->ringno, | |
3068 | irsp->unsli3.sli3Words[7]); | |
3069 | } | |
3070 | } | |
92d7f7b0 | 3071 | } |
9c2face6 JS |
3072 | if (irsp->ulpBdeCount != 0 && |
3073 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
3074 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
3075 | int found = 0; | |
3076 | ||
3077 | /* search continue save q for same XRI */ | |
3078 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
7851fe2c JS |
3079 | if (iocbq->iocb.unsli3.rcvsli3.ox_id == |
3080 | saveq->iocb.unsli3.rcvsli3.ox_id) { | |
9c2face6 JS |
3081 | list_add_tail(&saveq->list, &iocbq->list); |
3082 | found = 1; | |
3083 | break; | |
3084 | } | |
3085 | } | |
3086 | if (!found) | |
3087 | list_add_tail(&saveq->clist, | |
3088 | &pring->iocb_continue_saveq); | |
3089 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
3090 | list_del_init(&iocbq->clist); | |
3091 | saveq = iocbq; | |
3092 | irsp = &(saveq->iocb); | |
3093 | } else | |
3094 | return 0; | |
3095 | } | |
3096 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
3097 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
3098 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
6a9c52cf JS |
3099 | Rctl = FC_RCTL_ELS_REQ; |
3100 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
3101 | } else { |
3102 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
3103 | Rctl = w5p->hcsw.Rctl; | |
3104 | Type = w5p->hcsw.Type; | |
3105 | ||
3106 | /* Firmware Workaround */ | |
3107 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
3108 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
3109 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
6a9c52cf JS |
3110 | Rctl = FC_RCTL_ELS_REQ; |
3111 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
3112 | w5p->hcsw.Rctl = Rctl; |
3113 | w5p->hcsw.Type = Type; | |
3114 | } | |
3115 | } | |
92d7f7b0 | 3116 | |
3772a991 | 3117 | if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type)) |
92d7f7b0 | 3118 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 3119 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 3120 | "Type x%x received\n", |
e8b62011 | 3121 | pring->ringno, Rctl, Type); |
3772a991 | 3122 | |
92d7f7b0 | 3123 | return 1; |
dea3101e JB |
3124 | } |
3125 | ||
e59058c4 | 3126 | /** |
3621a710 | 3127 | * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb |
e59058c4 JS |
3128 | * @phba: Pointer to HBA context object. |
3129 | * @pring: Pointer to driver SLI ring object. | |
3130 | * @prspiocb: Pointer to response iocb object. | |
3131 | * | |
3132 | * This function looks up the iocb_lookup table to get the command iocb | |
3133 | * corresponding to the given response iocb using the iotag of the | |
e2a8be56 JS |
3134 | * response iocb. The driver calls this function with the hbalock held |
3135 | * for SLI3 ports or the ring lock held for SLI4 ports. | |
e59058c4 JS |
3136 | * This function returns the command iocb object if it finds the command |
3137 | * iocb else returns NULL. | |
3138 | **/ | |
dea3101e | 3139 | static struct lpfc_iocbq * |
2e0fef85 JS |
3140 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
3141 | struct lpfc_sli_ring *pring, | |
3142 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 3143 | { |
dea3101e JB |
3144 | struct lpfc_iocbq *cmd_iocb = NULL; |
3145 | uint16_t iotag; | |
e2a8be56 JS |
3146 | spinlock_t *temp_lock = NULL; |
3147 | unsigned long iflag = 0; | |
3148 | ||
3149 | if (phba->sli_rev == LPFC_SLI_REV4) | |
3150 | temp_lock = &pring->ring_lock; | |
3151 | else | |
3152 | temp_lock = &phba->hbalock; | |
dea3101e | 3153 | |
e2a8be56 | 3154 | spin_lock_irqsave(temp_lock, iflag); |
604a3e30 JB |
3155 | iotag = prspiocb->iocb.ulpIoTag; |
3156 | ||
3157 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
3158 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 | 3159 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
89533e9b JS |
3160 | /* remove from txcmpl queue list */ |
3161 | list_del_init(&cmd_iocb->list); | |
4f2e66c6 | 3162 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; |
c490850a | 3163 | pring->txcmplq_cnt--; |
e2a8be56 | 3164 | spin_unlock_irqrestore(temp_lock, iflag); |
89533e9b | 3165 | return cmd_iocb; |
2a9bf3d0 | 3166 | } |
dea3101e JB |
3167 | } |
3168 | ||
e2a8be56 | 3169 | spin_unlock_irqrestore(temp_lock, iflag); |
372c187b | 3170 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
89533e9b | 3171 | "0317 iotag x%x is out of " |
604a3e30 | 3172 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 3173 | iotag, phba->sli.last_iotag, |
604a3e30 | 3174 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e JB |
3175 | return NULL; |
3176 | } | |
3177 | ||
3772a991 JS |
3178 | /** |
3179 | * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag | |
3180 | * @phba: Pointer to HBA context object. | |
3181 | * @pring: Pointer to driver SLI ring object. | |
3182 | * @iotag: IOCB tag. | |
3183 | * | |
3184 | * This function looks up the iocb_lookup table to get the command iocb | |
e2a8be56 JS |
3185 | * corresponding to the given iotag. The driver calls this function with |
3186 | * the ring lock held because this function is an SLI4 port only helper. | |
3772a991 JS |
3187 | * This function returns the command iocb object if it finds the command |
3188 | * iocb else returns NULL. | |
3189 | **/ | |
3190 | static struct lpfc_iocbq * | |
3191 | lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, | |
3192 | struct lpfc_sli_ring *pring, uint16_t iotag) | |
3193 | { | |
895427bd | 3194 | struct lpfc_iocbq *cmd_iocb = NULL; |
e2a8be56 JS |
3195 | spinlock_t *temp_lock = NULL; |
3196 | unsigned long iflag = 0; | |
3772a991 | 3197 | |
e2a8be56 JS |
3198 | if (phba->sli_rev == LPFC_SLI_REV4) |
3199 | temp_lock = &pring->ring_lock; | |
3200 | else | |
3201 | temp_lock = &phba->hbalock; | |
3202 | ||
3203 | spin_lock_irqsave(temp_lock, iflag); | |
3772a991 JS |
3204 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
3205 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 JS |
3206 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
3207 | /* remove from txcmpl queue list */ | |
3208 | list_del_init(&cmd_iocb->list); | |
3209 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
c490850a | 3210 | pring->txcmplq_cnt--; |
e2a8be56 | 3211 | spin_unlock_irqrestore(temp_lock, iflag); |
4f2e66c6 | 3212 | return cmd_iocb; |
2a9bf3d0 | 3213 | } |
3772a991 | 3214 | } |
89533e9b | 3215 | |
e2a8be56 | 3216 | spin_unlock_irqrestore(temp_lock, iflag); |
372c187b | 3217 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
895427bd JS |
3218 | "0372 iotag x%x lookup error: max iotag (x%x) " |
3219 | "iocb_flag x%x\n", | |
3220 | iotag, phba->sli.last_iotag, | |
3221 | cmd_iocb ? cmd_iocb->iocb_flag : 0xffff); | |
3772a991 JS |
3222 | return NULL; |
3223 | } | |
3224 | ||
e59058c4 | 3225 | /** |
3621a710 | 3226 | * lpfc_sli_process_sol_iocb - process solicited iocb completion |
e59058c4 JS |
3227 | * @phba: Pointer to HBA context object. |
3228 | * @pring: Pointer to driver SLI ring object. | |
3229 | * @saveq: Pointer to the response iocb to be processed. | |
3230 | * | |
3231 | * This function is called by the ring event handler for non-fcp | |
3232 | * rings when there is a new response iocb in the response ring. | |
3233 | * The caller is not required to hold any locks. This function | |
3234 | * gets the command iocb associated with the response iocb and | |
3235 | * calls the completion handler for the command iocb. If there | |
3236 | * is no completion handler, the function will free the resources | |
3237 | * associated with command iocb. If the response iocb is for | |
3238 | * an already aborted command iocb, the status of the completion | |
3239 | * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED. | |
3240 | * This function always returns 1. | |
3241 | **/ | |
dea3101e | 3242 | static int |
2e0fef85 | 3243 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e JB |
3244 | struct lpfc_iocbq *saveq) |
3245 | { | |
2e0fef85 | 3246 | struct lpfc_iocbq *cmdiocbp; |
dea3101e JB |
3247 | int rc = 1; |
3248 | unsigned long iflag; | |
3249 | ||
604a3e30 | 3250 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
dea3101e JB |
3251 | if (cmdiocbp) { |
3252 | if (cmdiocbp->iocb_cmpl) { | |
ea2151b4 JS |
3253 | /* |
3254 | * If an ELS command failed send an event to mgmt | |
3255 | * application. | |
3256 | */ | |
3257 | if (saveq->iocb.ulpStatus && | |
3258 | (pring->ringno == LPFC_ELS_RING) && | |
3259 | (cmdiocbp->iocb.ulpCommand == | |
3260 | CMD_ELS_REQUEST64_CR)) | |
3261 | lpfc_send_els_failure_event(phba, | |
3262 | cmdiocbp, saveq); | |
3263 | ||
dea3101e JB |
3264 | /* |
3265 | * Post all ELS completions to the worker thread. | |
3266 | * All other are passed to the completion callback. | |
3267 | */ | |
3268 | if (pring->ringno == LPFC_ELS_RING) { | |
341af102 JS |
3269 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
3270 | (cmdiocbp->iocb_flag & | |
3271 | LPFC_DRIVER_ABORTED)) { | |
3272 | spin_lock_irqsave(&phba->hbalock, | |
3273 | iflag); | |
07951076 JS |
3274 | cmdiocbp->iocb_flag &= |
3275 | ~LPFC_DRIVER_ABORTED; | |
341af102 JS |
3276 | spin_unlock_irqrestore(&phba->hbalock, |
3277 | iflag); | |
07951076 JS |
3278 | saveq->iocb.ulpStatus = |
3279 | IOSTAT_LOCAL_REJECT; | |
3280 | saveq->iocb.un.ulpWord[4] = | |
3281 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
3282 | |
3283 | /* Firmware could still be in progress | |
3284 | * of DMAing payload, so don't free data | |
3285 | * buffer till after a hbeat. | |
3286 | */ | |
341af102 JS |
3287 | spin_lock_irqsave(&phba->hbalock, |
3288 | iflag); | |
0ff10d46 | 3289 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; |
341af102 JS |
3290 | spin_unlock_irqrestore(&phba->hbalock, |
3291 | iflag); | |
3292 | } | |
0f65ff68 JS |
3293 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3294 | if (saveq->iocb_flag & | |
3295 | LPFC_EXCHANGE_BUSY) { | |
3296 | /* Set cmdiocb flag for the | |
3297 | * exchange busy so sgl (xri) | |
3298 | * will not be released until | |
3299 | * the abort xri is received | |
3300 | * from hba. | |
3301 | */ | |
3302 | spin_lock_irqsave( | |
3303 | &phba->hbalock, iflag); | |
3304 | cmdiocbp->iocb_flag |= | |
3305 | LPFC_EXCHANGE_BUSY; | |
3306 | spin_unlock_irqrestore( | |
3307 | &phba->hbalock, iflag); | |
3308 | } | |
3309 | if (cmdiocbp->iocb_flag & | |
3310 | LPFC_DRIVER_ABORTED) { | |
3311 | /* | |
3312 | * Clear LPFC_DRIVER_ABORTED | |
3313 | * bit in case it was driver | |
3314 | * initiated abort. | |
3315 | */ | |
3316 | spin_lock_irqsave( | |
3317 | &phba->hbalock, iflag); | |
3318 | cmdiocbp->iocb_flag &= | |
3319 | ~LPFC_DRIVER_ABORTED; | |
3320 | spin_unlock_irqrestore( | |
3321 | &phba->hbalock, iflag); | |
3322 | cmdiocbp->iocb.ulpStatus = | |
3323 | IOSTAT_LOCAL_REJECT; | |
3324 | cmdiocbp->iocb.un.ulpWord[4] = | |
3325 | IOERR_ABORT_REQUESTED; | |
3326 | /* | |
3327 | * For SLI4, irsiocb contains | |
3328 | * NO_XRI in sli_xritag, it | |
3329 | * shall not affect releasing | |
3330 | * sgl (xri) process. | |
3331 | */ | |
3332 | saveq->iocb.ulpStatus = | |
3333 | IOSTAT_LOCAL_REJECT; | |
3334 | saveq->iocb.un.ulpWord[4] = | |
3335 | IOERR_SLI_ABORTED; | |
3336 | spin_lock_irqsave( | |
3337 | &phba->hbalock, iflag); | |
3338 | saveq->iocb_flag |= | |
3339 | LPFC_DELAY_MEM_FREE; | |
3340 | spin_unlock_irqrestore( | |
3341 | &phba->hbalock, iflag); | |
3342 | } | |
07951076 | 3343 | } |
dea3101e | 3344 | } |
2e0fef85 | 3345 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
3346 | } else |
3347 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e JB |
3348 | } else { |
3349 | /* | |
3350 | * Unknown initiating command based on the response iotag. | |
3351 | * This could be the case on the ELS ring because of | |
3352 | * lpfc_els_abort(). | |
3353 | */ | |
3354 | if (pring->ringno != LPFC_ELS_RING) { | |
3355 | /* | |
3356 | * Ring <ringno> handler: unexpected completion IoTag | |
3357 | * <IoTag> | |
3358 | */ | |
a257bf90 | 3359 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
3360 | "0322 Ring %d handler: " |
3361 | "unexpected completion IoTag x%x " | |
3362 | "Data: x%x x%x x%x x%x\n", | |
3363 | pring->ringno, | |
3364 | saveq->iocb.ulpIoTag, | |
3365 | saveq->iocb.ulpStatus, | |
3366 | saveq->iocb.un.ulpWord[4], | |
3367 | saveq->iocb.ulpCommand, | |
3368 | saveq->iocb.ulpContext); | |
dea3101e JB |
3369 | } |
3370 | } | |
68876920 | 3371 | |
dea3101e JB |
3372 | return rc; |
3373 | } | |
3374 | ||
e59058c4 | 3375 | /** |
3621a710 | 3376 | * lpfc_sli_rsp_pointers_error - Response ring pointer error handler |
e59058c4 JS |
3377 | * @phba: Pointer to HBA context object. |
3378 | * @pring: Pointer to driver SLI ring object. | |
3379 | * | |
3380 | * This function is called from the iocb ring event handlers when | |
3381 | * put pointer is ahead of the get pointer for a ring. This function signal | |
3382 | * an error attention condition to the worker thread and the worker | |
3383 | * thread will transition the HBA to offline state. | |
3384 | **/ | |
2e0fef85 JS |
3385 | static void |
3386 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 3387 | { |
34b02dcd | 3388 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
875fbdfe | 3389 | /* |
025dfdaf | 3390 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
875fbdfe JSEC |
3391 | * rsp ring <portRspMax> |
3392 | */ | |
372c187b | 3393 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 3394 | "0312 Ring %d handler: portRspPut %d " |
025dfdaf | 3395 | "is bigger than rsp ring %d\n", |
e8b62011 | 3396 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
7e56aa25 | 3397 | pring->sli.sli3.numRiocb); |
875fbdfe | 3398 | |
2e0fef85 | 3399 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
3400 | |
3401 | /* | |
3402 | * All error attention handlers are posted to | |
3403 | * worker thread | |
3404 | */ | |
3405 | phba->work_ha |= HA_ERATT; | |
3406 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 3407 | |
5e9d9b82 | 3408 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
3409 | |
3410 | return; | |
3411 | } | |
3412 | ||
9399627f | 3413 | /** |
3621a710 | 3414 | * lpfc_poll_eratt - Error attention polling timer timeout handler |
7af29d45 | 3415 | * @t: Context to fetch pointer to address of HBA context object from. |
9399627f JS |
3416 | * |
3417 | * This function is invoked by the Error Attention polling timer when the | |
3418 | * timer times out. It will check the SLI Error Attention register for | |
3419 | * possible attention events. If so, it will post an Error Attention event | |
3420 | * and wake up worker thread to process it. Otherwise, it will set up the | |
3421 | * Error Attention polling timer for the next poll. | |
3422 | **/ | |
f22eb4d3 | 3423 | void lpfc_poll_eratt(struct timer_list *t) |
9399627f JS |
3424 | { |
3425 | struct lpfc_hba *phba; | |
eb016566 | 3426 | uint32_t eratt = 0; |
aa6fbb75 | 3427 | uint64_t sli_intr, cnt; |
9399627f | 3428 | |
f22eb4d3 | 3429 | phba = from_timer(phba, t, eratt_poll); |
9399627f | 3430 | |
aa6fbb75 JS |
3431 | /* Here we will also keep track of interrupts per sec of the hba */ |
3432 | sli_intr = phba->sli.slistat.sli_intr; | |
3433 | ||
3434 | if (phba->sli.slistat.sli_prev_intr > sli_intr) | |
3435 | cnt = (((uint64_t)(-1) - phba->sli.slistat.sli_prev_intr) + | |
3436 | sli_intr); | |
3437 | else | |
3438 | cnt = (sli_intr - phba->sli.slistat.sli_prev_intr); | |
3439 | ||
65791f1f JS |
3440 | /* 64-bit integer division not supported on 32-bit x86 - use do_div */ |
3441 | do_div(cnt, phba->eratt_poll_interval); | |
aa6fbb75 JS |
3442 | phba->sli.slistat.sli_ips = cnt; |
3443 | ||
3444 | phba->sli.slistat.sli_prev_intr = sli_intr; | |
3445 | ||
9399627f JS |
3446 | /* Check chip HA register for error event */ |
3447 | eratt = lpfc_sli_check_eratt(phba); | |
3448 | ||
3449 | if (eratt) | |
3450 | /* Tell the worker thread there is work to do */ | |
3451 | lpfc_worker_wake_up(phba); | |
3452 | else | |
3453 | /* Restart the timer for next eratt poll */ | |
256ec0d0 JS |
3454 | mod_timer(&phba->eratt_poll, |
3455 | jiffies + | |
65791f1f | 3456 | msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
9399627f JS |
3457 | return; |
3458 | } | |
3459 | ||
875fbdfe | 3460 | |
e59058c4 | 3461 | /** |
3621a710 | 3462 | * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring |
e59058c4 JS |
3463 | * @phba: Pointer to HBA context object. |
3464 | * @pring: Pointer to driver SLI ring object. | |
3465 | * @mask: Host attention register mask for this ring. | |
3466 | * | |
3467 | * This function is called from the interrupt context when there is a ring | |
3468 | * event for the fcp ring. The caller does not hold any lock. | |
3469 | * The function processes each response iocb in the response ring until it | |
25985edc | 3470 | * finds an iocb with LE bit set and chains all the iocbs up to the iocb with |
e59058c4 JS |
3471 | * LE bit set. The function will call the completion handler of the command iocb |
3472 | * if the response iocb indicates a completion for a command iocb or it is | |
3473 | * an abort completion. The function will call lpfc_sli_process_unsol_iocb | |
3474 | * function if this is an unsolicited iocb. | |
dea3101e | 3475 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
45ed1190 JS |
3476 | * to check it explicitly. |
3477 | */ | |
3478 | int | |
2e0fef85 JS |
3479 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
3480 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3481 | { |
34b02dcd | 3482 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
dea3101e | 3483 | IOCB_t *irsp = NULL; |
87f6eaff | 3484 | IOCB_t *entry = NULL; |
dea3101e JB |
3485 | struct lpfc_iocbq *cmdiocbq = NULL; |
3486 | struct lpfc_iocbq rspiocbq; | |
dea3101e JB |
3487 | uint32_t status; |
3488 | uint32_t portRspPut, portRspMax; | |
3489 | int rc = 1; | |
3490 | lpfc_iocb_type type; | |
3491 | unsigned long iflag; | |
3492 | uint32_t rsp_cmpl = 0; | |
dea3101e | 3493 | |
2e0fef85 | 3494 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3495 | pring->stats.iocb_event++; |
3496 | ||
dea3101e JB |
3497 | /* |
3498 | * The next available response entry should never exceed the maximum | |
3499 | * entries. If it does, treat it as an adapter hardware error. | |
3500 | */ | |
7e56aa25 | 3501 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3502 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3503 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 3504 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 3505 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3506 | return 1; |
3507 | } | |
45ed1190 JS |
3508 | if (phba->fcp_ring_in_use) { |
3509 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3510 | return 1; | |
3511 | } else | |
3512 | phba->fcp_ring_in_use = 1; | |
dea3101e JB |
3513 | |
3514 | rmb(); | |
7e56aa25 | 3515 | while (pring->sli.sli3.rspidx != portRspPut) { |
87f6eaff JSEC |
3516 | /* |
3517 | * Fetch an entry off the ring and copy it into a local data | |
3518 | * structure. The copy involves a byte-swap since the | |
3519 | * network byte order and pci byte orders are different. | |
3520 | */ | |
ed957684 | 3521 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 3522 | phba->last_completion_time = jiffies; |
875fbdfe | 3523 | |
7e56aa25 JS |
3524 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3525 | pring->sli.sli3.rspidx = 0; | |
875fbdfe | 3526 | |
87f6eaff JSEC |
3527 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
3528 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 3529 | phba->iocb_rsp_size); |
a4bc3379 | 3530 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
3531 | irsp = &rspiocbq.iocb; |
3532 | ||
dea3101e JB |
3533 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
3534 | pring->stats.iocb_rsp++; | |
3535 | rsp_cmpl++; | |
3536 | ||
3537 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
3538 | /* |
3539 | * If resource errors reported from HBA, reduce | |
3540 | * queuedepths of the SCSI device. | |
3541 | */ | |
3542 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3543 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3544 | IOERR_NO_RESOURCES)) { | |
92d7f7b0 | 3545 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3546 | phba->lpfc_rampdown_queue_depth(phba); |
92d7f7b0 JS |
3547 | spin_lock_irqsave(&phba->hbalock, iflag); |
3548 | } | |
3549 | ||
dea3101e JB |
3550 | /* Rsp ring <ringno> error: IOCB */ |
3551 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 3552 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 3553 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 3554 | pring->ringno, |
92d7f7b0 JS |
3555 | irsp->un.ulpWord[0], |
3556 | irsp->un.ulpWord[1], | |
3557 | irsp->un.ulpWord[2], | |
3558 | irsp->un.ulpWord[3], | |
3559 | irsp->un.ulpWord[4], | |
3560 | irsp->un.ulpWord[5], | |
d7c255b2 JS |
3561 | *(uint32_t *)&irsp->un1, |
3562 | *((uint32_t *)&irsp->un1 + 1)); | |
dea3101e JB |
3563 | } |
3564 | ||
3565 | switch (type) { | |
3566 | case LPFC_ABORT_IOCB: | |
3567 | case LPFC_SOL_IOCB: | |
3568 | /* | |
3569 | * Idle exchange closed via ABTS from port. No iocb | |
3570 | * resources need to be recovered. | |
3571 | */ | |
3572 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 3573 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 3574 | "0333 IOCB cmd 0x%x" |
dca9479b | 3575 | " processed. Skipping" |
92d7f7b0 | 3576 | " completion\n", |
dca9479b | 3577 | irsp->ulpCommand); |
dea3101e JB |
3578 | break; |
3579 | } | |
3580 | ||
e2a8be56 | 3581 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
604a3e30 JB |
3582 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
3583 | &rspiocbq); | |
e2a8be56 | 3584 | spin_lock_irqsave(&phba->hbalock, iflag); |
0f65ff68 JS |
3585 | if (unlikely(!cmdiocbq)) |
3586 | break; | |
3587 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
3588 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
3589 | if (cmdiocbq->iocb_cmpl) { | |
3590 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3591 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
3592 | &rspiocbq); | |
3593 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3594 | } | |
dea3101e | 3595 | break; |
a4bc3379 | 3596 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 3597 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 3598 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 3599 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 3600 | break; |
dea3101e JB |
3601 | default: |
3602 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3603 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3604 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3605 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
3606 | MAX_MSG_DATA); | |
898eb71c JP |
3607 | dev_warn(&((phba->pcidev)->dev), |
3608 | "lpfc%d: %s\n", | |
dea3101e JB |
3609 | phba->brd_no, adaptermsg); |
3610 | } else { | |
3611 | /* Unknown IOCB command */ | |
372c187b | 3612 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 3613 | "0334 Unknown IOCB command " |
92d7f7b0 | 3614 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 3615 | type, irsp->ulpCommand, |
92d7f7b0 JS |
3616 | irsp->ulpStatus, |
3617 | irsp->ulpIoTag, | |
3618 | irsp->ulpContext); | |
dea3101e JB |
3619 | } |
3620 | break; | |
3621 | } | |
3622 | ||
3623 | /* | |
3624 | * The response IOCB has been processed. Update the ring | |
3625 | * pointer in SLIM. If the port response put pointer has not | |
3626 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
3627 | * response put pointer. | |
3628 | */ | |
7e56aa25 JS |
3629 | writel(pring->sli.sli3.rspidx, |
3630 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3631 | |
7e56aa25 | 3632 | if (pring->sli.sli3.rspidx == portRspPut) |
dea3101e JB |
3633 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3634 | } | |
3635 | ||
3636 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
3637 | pring->stats.iocb_rsp_full++; | |
3638 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3639 | writel(status, phba->CAregaddr); | |
3640 | readl(phba->CAregaddr); | |
3641 | } | |
3642 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3643 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3644 | pring->stats.iocb_cmd_empty++; | |
3645 | ||
3646 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3647 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3648 | lpfc_sli_resume_iocb(phba, pring); |
3649 | ||
3650 | if ((pring->lpfc_sli_cmd_available)) | |
3651 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3652 | ||
3653 | } | |
3654 | ||
45ed1190 | 3655 | phba->fcp_ring_in_use = 0; |
2e0fef85 | 3656 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3657 | return rc; |
3658 | } | |
3659 | ||
e59058c4 | 3660 | /** |
3772a991 JS |
3661 | * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb |
3662 | * @phba: Pointer to HBA context object. | |
3663 | * @pring: Pointer to driver SLI ring object. | |
3664 | * @rspiocbp: Pointer to driver response IOCB object. | |
3665 | * | |
3666 | * This function is called from the worker thread when there is a slow-path | |
3667 | * response IOCB to process. This function chains all the response iocbs until | |
3668 | * seeing the iocb with the LE bit set. The function will call | |
3669 | * lpfc_sli_process_sol_iocb function if the response iocb indicates a | |
3670 | * completion of a command iocb. The function will call the | |
3671 | * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb. | |
3672 | * The function frees the resources or calls the completion handler if this | |
3673 | * iocb is an abort completion. The function returns NULL when the response | |
3674 | * iocb has the LE bit set and all the chained iocbs are processed, otherwise | |
3675 | * this function shall chain the iocb on to the iocb_continueq and return the | |
3676 | * response iocb passed in. | |
3677 | **/ | |
3678 | static struct lpfc_iocbq * | |
3679 | lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3680 | struct lpfc_iocbq *rspiocbp) | |
3681 | { | |
3682 | struct lpfc_iocbq *saveq; | |
3683 | struct lpfc_iocbq *cmdiocbp; | |
3684 | struct lpfc_iocbq *next_iocb; | |
3685 | IOCB_t *irsp = NULL; | |
3686 | uint32_t free_saveq; | |
3687 | uint8_t iocb_cmd_type; | |
3688 | lpfc_iocb_type type; | |
3689 | unsigned long iflag; | |
3690 | int rc; | |
3691 | ||
3692 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3693 | /* First add the response iocb to the countinueq list */ | |
3694 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); | |
3695 | pring->iocb_continueq_cnt++; | |
3696 | ||
70f23fd6 | 3697 | /* Now, determine whether the list is completed for processing */ |
3772a991 JS |
3698 | irsp = &rspiocbp->iocb; |
3699 | if (irsp->ulpLe) { | |
3700 | /* | |
3701 | * By default, the driver expects to free all resources | |
3702 | * associated with this iocb completion. | |
3703 | */ | |
3704 | free_saveq = 1; | |
3705 | saveq = list_get_first(&pring->iocb_continueq, | |
3706 | struct lpfc_iocbq, list); | |
3707 | irsp = &(saveq->iocb); | |
3708 | list_del_init(&pring->iocb_continueq); | |
3709 | pring->iocb_continueq_cnt = 0; | |
3710 | ||
3711 | pring->stats.iocb_rsp++; | |
3712 | ||
3713 | /* | |
3714 | * If resource errors reported from HBA, reduce | |
3715 | * queuedepths of the SCSI device. | |
3716 | */ | |
3717 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3718 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3719 | IOERR_NO_RESOURCES)) { | |
3772a991 JS |
3720 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3721 | phba->lpfc_rampdown_queue_depth(phba); | |
3722 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3723 | } | |
3724 | ||
3725 | if (irsp->ulpStatus) { | |
3726 | /* Rsp ring <ringno> error: IOCB */ | |
3727 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
3728 | "0328 Rsp Ring %d error: " | |
3729 | "IOCB Data: " | |
3730 | "x%x x%x x%x x%x " | |
3731 | "x%x x%x x%x x%x " | |
3732 | "x%x x%x x%x x%x " | |
3733 | "x%x x%x x%x x%x\n", | |
3734 | pring->ringno, | |
3735 | irsp->un.ulpWord[0], | |
3736 | irsp->un.ulpWord[1], | |
3737 | irsp->un.ulpWord[2], | |
3738 | irsp->un.ulpWord[3], | |
3739 | irsp->un.ulpWord[4], | |
3740 | irsp->un.ulpWord[5], | |
3741 | *(((uint32_t *) irsp) + 6), | |
3742 | *(((uint32_t *) irsp) + 7), | |
3743 | *(((uint32_t *) irsp) + 8), | |
3744 | *(((uint32_t *) irsp) + 9), | |
3745 | *(((uint32_t *) irsp) + 10), | |
3746 | *(((uint32_t *) irsp) + 11), | |
3747 | *(((uint32_t *) irsp) + 12), | |
3748 | *(((uint32_t *) irsp) + 13), | |
3749 | *(((uint32_t *) irsp) + 14), | |
3750 | *(((uint32_t *) irsp) + 15)); | |
3751 | } | |
3752 | ||
3753 | /* | |
3754 | * Fetch the IOCB command type and call the correct completion | |
3755 | * routine. Solicited and Unsolicited IOCBs on the ELS ring | |
3756 | * get freed back to the lpfc_iocb_list by the discovery | |
3757 | * kernel thread. | |
3758 | */ | |
3759 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
3760 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
3761 | switch (type) { | |
3762 | case LPFC_SOL_IOCB: | |
3763 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3764 | rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); | |
3765 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3766 | break; | |
3767 | ||
3768 | case LPFC_UNSOL_IOCB: | |
3769 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3770 | rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); | |
3771 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3772 | if (!rc) | |
3773 | free_saveq = 0; | |
3774 | break; | |
3775 | ||
3776 | case LPFC_ABORT_IOCB: | |
3777 | cmdiocbp = NULL; | |
e2a8be56 JS |
3778 | if (irsp->ulpCommand != CMD_XRI_ABORTED_CX) { |
3779 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3772a991 JS |
3780 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, |
3781 | saveq); | |
e2a8be56 JS |
3782 | spin_lock_irqsave(&phba->hbalock, iflag); |
3783 | } | |
3772a991 JS |
3784 | if (cmdiocbp) { |
3785 | /* Call the specified completion routine */ | |
3786 | if (cmdiocbp->iocb_cmpl) { | |
3787 | spin_unlock_irqrestore(&phba->hbalock, | |
3788 | iflag); | |
3789 | (cmdiocbp->iocb_cmpl)(phba, cmdiocbp, | |
3790 | saveq); | |
3791 | spin_lock_irqsave(&phba->hbalock, | |
3792 | iflag); | |
3793 | } else | |
3794 | __lpfc_sli_release_iocbq(phba, | |
3795 | cmdiocbp); | |
3796 | } | |
3797 | break; | |
3798 | ||
3799 | case LPFC_UNKNOWN_IOCB: | |
3800 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3801 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3802 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3803 | memcpy(&adaptermsg[0], (uint8_t *)irsp, | |
3804 | MAX_MSG_DATA); | |
3805 | dev_warn(&((phba->pcidev)->dev), | |
3806 | "lpfc%d: %s\n", | |
3807 | phba->brd_no, adaptermsg); | |
3808 | } else { | |
3809 | /* Unknown IOCB command */ | |
372c187b | 3810 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3772a991 JS |
3811 | "0335 Unknown IOCB " |
3812 | "command Data: x%x " | |
3813 | "x%x x%x x%x\n", | |
3814 | irsp->ulpCommand, | |
3815 | irsp->ulpStatus, | |
3816 | irsp->ulpIoTag, | |
3817 | irsp->ulpContext); | |
3818 | } | |
3819 | break; | |
3820 | } | |
3821 | ||
3822 | if (free_saveq) { | |
3823 | list_for_each_entry_safe(rspiocbp, next_iocb, | |
3824 | &saveq->list, list) { | |
61f35bff | 3825 | list_del_init(&rspiocbp->list); |
3772a991 JS |
3826 | __lpfc_sli_release_iocbq(phba, rspiocbp); |
3827 | } | |
3828 | __lpfc_sli_release_iocbq(phba, saveq); | |
3829 | } | |
3830 | rspiocbp = NULL; | |
3831 | } | |
3832 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3833 | return rspiocbp; | |
3834 | } | |
3835 | ||
3836 | /** | |
3837 | * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs | |
e59058c4 JS |
3838 | * @phba: Pointer to HBA context object. |
3839 | * @pring: Pointer to driver SLI ring object. | |
3840 | * @mask: Host attention register mask for this ring. | |
3841 | * | |
3772a991 JS |
3842 | * This routine wraps the actual slow_ring event process routine from the |
3843 | * API jump table function pointer from the lpfc_hba struct. | |
e59058c4 | 3844 | **/ |
3772a991 | 3845 | void |
2e0fef85 JS |
3846 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
3847 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3772a991 JS |
3848 | { |
3849 | phba->lpfc_sli_handle_slow_ring_event(phba, pring, mask); | |
3850 | } | |
3851 | ||
3852 | /** | |
3853 | * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings | |
3854 | * @phba: Pointer to HBA context object. | |
3855 | * @pring: Pointer to driver SLI ring object. | |
3856 | * @mask: Host attention register mask for this ring. | |
3857 | * | |
3858 | * This function is called from the worker thread when there is a ring event | |
3859 | * for non-fcp rings. The caller does not hold any lock. The function will | |
3860 | * remove each response iocb in the response ring and calls the handle | |
3861 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3862 | **/ | |
3863 | static void | |
3864 | lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba *phba, | |
3865 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3866 | { |
34b02dcd | 3867 | struct lpfc_pgp *pgp; |
dea3101e JB |
3868 | IOCB_t *entry; |
3869 | IOCB_t *irsp = NULL; | |
3870 | struct lpfc_iocbq *rspiocbp = NULL; | |
dea3101e | 3871 | uint32_t portRspPut, portRspMax; |
dea3101e | 3872 | unsigned long iflag; |
3772a991 | 3873 | uint32_t status; |
dea3101e | 3874 | |
34b02dcd | 3875 | pgp = &phba->port_gp[pring->ringno]; |
2e0fef85 | 3876 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3877 | pring->stats.iocb_event++; |
3878 | ||
dea3101e JB |
3879 | /* |
3880 | * The next available response entry should never exceed the maximum | |
3881 | * entries. If it does, treat it as an adapter hardware error. | |
3882 | */ | |
7e56aa25 | 3883 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3884 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3885 | if (portRspPut >= portRspMax) { | |
3886 | /* | |
025dfdaf | 3887 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
dea3101e JB |
3888 | * rsp ring <portRspMax> |
3889 | */ | |
372c187b | 3890 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 3891 | "0303 Ring %d handler: portRspPut %d " |
025dfdaf | 3892 | "is bigger than rsp ring %d\n", |
e8b62011 | 3893 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 3894 | |
2e0fef85 JS |
3895 | phba->link_state = LPFC_HBA_ERROR; |
3896 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e JB |
3897 | |
3898 | phba->work_hs = HS_FFER3; | |
3899 | lpfc_handle_eratt(phba); | |
3900 | ||
3772a991 | 3901 | return; |
dea3101e JB |
3902 | } |
3903 | ||
3904 | rmb(); | |
7e56aa25 | 3905 | while (pring->sli.sli3.rspidx != portRspPut) { |
dea3101e JB |
3906 | /* |
3907 | * Build a completion list and call the appropriate handler. | |
3908 | * The process is to get the next available response iocb, get | |
3909 | * a free iocb from the list, copy the response data into the | |
3910 | * free iocb, insert to the continuation list, and update the | |
3911 | * next response index to slim. This process makes response | |
3912 | * iocb's in the ring available to DMA as fast as possible but | |
3913 | * pays a penalty for a copy operation. Since the iocb is | |
3914 | * only 32 bytes, this penalty is considered small relative to | |
3915 | * the PCI reads for register values and a slim write. When | |
3916 | * the ulpLe field is set, the entire Command has been | |
3917 | * received. | |
3918 | */ | |
ed957684 JS |
3919 | entry = lpfc_resp_iocb(phba, pring); |
3920 | ||
858c9f6c | 3921 | phba->last_completion_time = jiffies; |
2e0fef85 | 3922 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
3923 | if (rspiocbp == NULL) { |
3924 | printk(KERN_ERR "%s: out of buffers! Failing " | |
cadbd4a5 | 3925 | "completion.\n", __func__); |
dea3101e JB |
3926 | break; |
3927 | } | |
3928 | ||
ed957684 JS |
3929 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
3930 | phba->iocb_rsp_size); | |
dea3101e JB |
3931 | irsp = &rspiocbp->iocb; |
3932 | ||
7e56aa25 JS |
3933 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3934 | pring->sli.sli3.rspidx = 0; | |
dea3101e | 3935 | |
a58cbd52 JS |
3936 | if (pring->ringno == LPFC_ELS_RING) { |
3937 | lpfc_debugfs_slow_ring_trc(phba, | |
3938 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
3939 | *(((uint32_t *) irsp) + 4), | |
3940 | *(((uint32_t *) irsp) + 6), | |
3941 | *(((uint32_t *) irsp) + 7)); | |
3942 | } | |
3943 | ||
7e56aa25 JS |
3944 | writel(pring->sli.sli3.rspidx, |
3945 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3946 | |
3772a991 JS |
3947 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3948 | /* Handle the response IOCB */ | |
3949 | rspiocbp = lpfc_sli_sp_handle_rspiocb(phba, pring, rspiocbp); | |
3950 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e JB |
3951 | |
3952 | /* | |
3953 | * If the port response put pointer has not been updated, sync | |
3954 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
3955 | * response put pointer. | |
3956 | */ | |
7e56aa25 | 3957 | if (pring->sli.sli3.rspidx == portRspPut) { |
dea3101e JB |
3958 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3959 | } | |
7e56aa25 | 3960 | } /* while (pring->sli.sli3.rspidx != portRspPut) */ |
dea3101e | 3961 | |
92d7f7b0 | 3962 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e JB |
3963 | /* At least one response entry has been freed */ |
3964 | pring->stats.iocb_rsp_full++; | |
3965 | /* SET RxRE_RSP in Chip Att register */ | |
3966 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3967 | writel(status, phba->CAregaddr); | |
3968 | readl(phba->CAregaddr); /* flush */ | |
3969 | } | |
3970 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3971 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3972 | pring->stats.iocb_cmd_empty++; | |
3973 | ||
3974 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3975 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3976 | lpfc_sli_resume_iocb(phba, pring); |
3977 | ||
3978 | if ((pring->lpfc_sli_cmd_available)) | |
3979 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3980 | ||
3981 | } | |
3982 | ||
2e0fef85 | 3983 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3984 | return; |
dea3101e JB |
3985 | } |
3986 | ||
4f774513 JS |
3987 | /** |
3988 | * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events | |
3989 | * @phba: Pointer to HBA context object. | |
3990 | * @pring: Pointer to driver SLI ring object. | |
3991 | * @mask: Host attention register mask for this ring. | |
3992 | * | |
3993 | * This function is called from the worker thread when there is a pending | |
3994 | * ELS response iocb on the driver internal slow-path response iocb worker | |
3995 | * queue. The caller does not hold any lock. The function will remove each | |
3996 | * response iocb from the response worker queue and calls the handle | |
3997 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3998 | **/ | |
3999 | static void | |
4000 | lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, | |
4001 | struct lpfc_sli_ring *pring, uint32_t mask) | |
4002 | { | |
4003 | struct lpfc_iocbq *irspiocbq; | |
4d9ab994 JS |
4004 | struct hbq_dmabuf *dmabuf; |
4005 | struct lpfc_cq_event *cq_event; | |
4f774513 | 4006 | unsigned long iflag; |
0ef01a2d | 4007 | int count = 0; |
4f774513 | 4008 | |
45ed1190 JS |
4009 | spin_lock_irqsave(&phba->hbalock, iflag); |
4010 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
4011 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
4012 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
4f774513 JS |
4013 | /* Get the response iocb from the head of work queue */ |
4014 | spin_lock_irqsave(&phba->hbalock, iflag); | |
45ed1190 | 4015 | list_remove_head(&phba->sli4_hba.sp_queue_event, |
4d9ab994 | 4016 | cq_event, struct lpfc_cq_event, list); |
4f774513 | 4017 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
4d9ab994 JS |
4018 | |
4019 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
4020 | case CQE_CODE_COMPL_WQE: | |
4021 | irspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
4022 | cq_event); | |
45ed1190 JS |
4023 | /* Translate ELS WCQE to response IOCBQ */ |
4024 | irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba, | |
4025 | irspiocbq); | |
4026 | if (irspiocbq) | |
4027 | lpfc_sli_sp_handle_rspiocb(phba, pring, | |
4028 | irspiocbq); | |
0ef01a2d | 4029 | count++; |
4d9ab994 JS |
4030 | break; |
4031 | case CQE_CODE_RECEIVE: | |
7851fe2c | 4032 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 JS |
4033 | dmabuf = container_of(cq_event, struct hbq_dmabuf, |
4034 | cq_event); | |
4035 | lpfc_sli4_handle_received_buffer(phba, dmabuf); | |
0ef01a2d | 4036 | count++; |
4d9ab994 JS |
4037 | break; |
4038 | default: | |
4039 | break; | |
4040 | } | |
0ef01a2d JS |
4041 | |
4042 | /* Limit the number of events to 64 to avoid soft lockups */ | |
4043 | if (count == 64) | |
4044 | break; | |
4f774513 JS |
4045 | } |
4046 | } | |
4047 | ||
e59058c4 | 4048 | /** |
3621a710 | 4049 | * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring |
e59058c4 JS |
4050 | * @phba: Pointer to HBA context object. |
4051 | * @pring: Pointer to driver SLI ring object. | |
4052 | * | |
4053 | * This function aborts all iocbs in the given ring and frees all the iocb | |
4054 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
4055 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
4056 | * the return of this function. The caller is not required to hold any locks. | |
4057 | **/ | |
2e0fef85 | 4058 | void |
dea3101e JB |
4059 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
4060 | { | |
2534ba75 | 4061 | LIST_HEAD(completions); |
dea3101e | 4062 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 4063 | |
92d7f7b0 JS |
4064 | if (pring->ringno == LPFC_ELS_RING) { |
4065 | lpfc_fabric_abort_hba(phba); | |
4066 | } | |
4067 | ||
dea3101e JB |
4068 | /* Error everything on txq and txcmplq |
4069 | * First do the txq. | |
4070 | */ | |
db55fba8 JS |
4071 | if (phba->sli_rev >= LPFC_SLI_REV4) { |
4072 | spin_lock_irq(&pring->ring_lock); | |
4073 | list_splice_init(&pring->txq, &completions); | |
4074 | pring->txq_cnt = 0; | |
4075 | spin_unlock_irq(&pring->ring_lock); | |
dea3101e | 4076 | |
db55fba8 JS |
4077 | spin_lock_irq(&phba->hbalock); |
4078 | /* Next issue ABTS for everything on the txcmplq */ | |
4079 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
4080 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
4081 | spin_unlock_irq(&phba->hbalock); | |
4082 | } else { | |
4083 | spin_lock_irq(&phba->hbalock); | |
4084 | list_splice_init(&pring->txq, &completions); | |
4085 | pring->txq_cnt = 0; | |
dea3101e | 4086 | |
db55fba8 JS |
4087 | /* Next issue ABTS for everything on the txcmplq */ |
4088 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
4089 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
4090 | spin_unlock_irq(&phba->hbalock); | |
4091 | } | |
dea3101e | 4092 | |
a257bf90 JS |
4093 | /* Cancel all the IOCBs from the completions list */ |
4094 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
4095 | IOERR_SLI_ABORTED); | |
dea3101e JB |
4096 | } |
4097 | ||
db55fba8 JS |
4098 | /** |
4099 | * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings | |
4100 | * @phba: Pointer to HBA context object. | |
db55fba8 JS |
4101 | * |
4102 | * This function aborts all iocbs in FCP rings and frees all the iocb | |
4103 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
4104 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
4105 | * the return of this function. The caller is not required to hold any locks. | |
4106 | **/ | |
4107 | void | |
4108 | lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba) | |
4109 | { | |
4110 | struct lpfc_sli *psli = &phba->sli; | |
4111 | struct lpfc_sli_ring *pring; | |
4112 | uint32_t i; | |
4113 | ||
4114 | /* Look on all the FCP Rings for the iotag */ | |
4115 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
cdb42bec | 4116 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
c00f62e6 | 4117 | pring = phba->sli4_hba.hdwq[i].io_wq->pring; |
db55fba8 JS |
4118 | lpfc_sli_abort_iocb_ring(phba, pring); |
4119 | } | |
4120 | } else { | |
895427bd | 4121 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
db55fba8 JS |
4122 | lpfc_sli_abort_iocb_ring(phba, pring); |
4123 | } | |
4124 | } | |
4125 | ||
a8e497d5 | 4126 | /** |
c00f62e6 | 4127 | * lpfc_sli_flush_io_rings - flush all iocbs in the IO ring |
a8e497d5 JS |
4128 | * @phba: Pointer to HBA context object. |
4129 | * | |
c00f62e6 | 4130 | * This function flushes all iocbs in the IO ring and frees all the iocb |
a8e497d5 JS |
4131 | * objects in txq and txcmplq. This function will not issue abort iocbs |
4132 | * for all the iocb commands in txcmplq, they will just be returned with | |
4133 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
4134 | * slot has been permanently disabled. | |
4135 | **/ | |
4136 | void | |
c00f62e6 | 4137 | lpfc_sli_flush_io_rings(struct lpfc_hba *phba) |
a8e497d5 JS |
4138 | { |
4139 | LIST_HEAD(txq); | |
4140 | LIST_HEAD(txcmplq); | |
a8e497d5 JS |
4141 | struct lpfc_sli *psli = &phba->sli; |
4142 | struct lpfc_sli_ring *pring; | |
db55fba8 | 4143 | uint32_t i; |
c1dd9111 | 4144 | struct lpfc_iocbq *piocb, *next_iocb; |
a8e497d5 JS |
4145 | |
4146 | spin_lock_irq(&phba->hbalock); | |
4cd70891 JS |
4147 | if (phba->hba_flag & HBA_IOQ_FLUSH || |
4148 | !phba->sli4_hba.hdwq) { | |
4149 | spin_unlock_irq(&phba->hbalock); | |
4150 | return; | |
4151 | } | |
4f2e66c6 | 4152 | /* Indicate the I/O queues are flushed */ |
c00f62e6 | 4153 | phba->hba_flag |= HBA_IOQ_FLUSH; |
a8e497d5 JS |
4154 | spin_unlock_irq(&phba->hbalock); |
4155 | ||
db55fba8 JS |
4156 | /* Look on all the FCP Rings for the iotag */ |
4157 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
cdb42bec | 4158 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
c00f62e6 | 4159 | pring = phba->sli4_hba.hdwq[i].io_wq->pring; |
db55fba8 JS |
4160 | |
4161 | spin_lock_irq(&pring->ring_lock); | |
4162 | /* Retrieve everything on txq */ | |
4163 | list_splice_init(&pring->txq, &txq); | |
c1dd9111 JS |
4164 | list_for_each_entry_safe(piocb, next_iocb, |
4165 | &pring->txcmplq, list) | |
4166 | piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
db55fba8 JS |
4167 | /* Retrieve everything on the txcmplq */ |
4168 | list_splice_init(&pring->txcmplq, &txcmplq); | |
4169 | pring->txq_cnt = 0; | |
4170 | pring->txcmplq_cnt = 0; | |
4171 | spin_unlock_irq(&pring->ring_lock); | |
4172 | ||
4173 | /* Flush the txq */ | |
4174 | lpfc_sli_cancel_iocbs(phba, &txq, | |
4175 | IOSTAT_LOCAL_REJECT, | |
4176 | IOERR_SLI_DOWN); | |
4177 | /* Flush the txcmpq */ | |
4178 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
4179 | IOSTAT_LOCAL_REJECT, | |
4180 | IOERR_SLI_DOWN); | |
4181 | } | |
4182 | } else { | |
895427bd | 4183 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
a8e497d5 | 4184 | |
db55fba8 JS |
4185 | spin_lock_irq(&phba->hbalock); |
4186 | /* Retrieve everything on txq */ | |
4187 | list_splice_init(&pring->txq, &txq); | |
c1dd9111 JS |
4188 | list_for_each_entry_safe(piocb, next_iocb, |
4189 | &pring->txcmplq, list) | |
4190 | piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
db55fba8 JS |
4191 | /* Retrieve everything on the txcmplq */ |
4192 | list_splice_init(&pring->txcmplq, &txcmplq); | |
4193 | pring->txq_cnt = 0; | |
4194 | pring->txcmplq_cnt = 0; | |
4195 | spin_unlock_irq(&phba->hbalock); | |
4196 | ||
4197 | /* Flush the txq */ | |
4198 | lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, | |
4199 | IOERR_SLI_DOWN); | |
4200 | /* Flush the txcmpq */ | |
4201 | lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, | |
4202 | IOERR_SLI_DOWN); | |
4203 | } | |
a8e497d5 JS |
4204 | } |
4205 | ||
e59058c4 | 4206 | /** |
3772a991 | 4207 | * lpfc_sli_brdready_s3 - Check for sli3 host ready status |
e59058c4 JS |
4208 | * @phba: Pointer to HBA context object. |
4209 | * @mask: Bit mask to be checked. | |
4210 | * | |
4211 | * This function reads the host status register and compares | |
4212 | * with the provided bit mask to check if HBA completed | |
4213 | * the restart. This function will wait in a loop for the | |
4214 | * HBA to complete restart. If the HBA does not restart within | |
4215 | * 15 iterations, the function will reset the HBA again. The | |
4216 | * function returns 1 when HBA fail to restart otherwise returns | |
4217 | * zero. | |
4218 | **/ | |
3772a991 JS |
4219 | static int |
4220 | lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask) | |
dea3101e | 4221 | { |
41415862 JW |
4222 | uint32_t status; |
4223 | int i = 0; | |
4224 | int retval = 0; | |
dea3101e | 4225 | |
41415862 | 4226 | /* Read the HBA Host Status Register */ |
9940b97b JS |
4227 | if (lpfc_readl(phba->HSregaddr, &status)) |
4228 | return 1; | |
dea3101e | 4229 | |
41415862 JW |
4230 | /* |
4231 | * Check status register every 100ms for 5 retries, then every | |
4232 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
4233 | * every 2.5 sec for 4. | |
4234 | * Break our of the loop if errors occurred during init. | |
4235 | */ | |
4236 | while (((status & mask) != mask) && | |
4237 | !(status & HS_FFERM) && | |
4238 | i++ < 20) { | |
dea3101e | 4239 | |
41415862 JW |
4240 | if (i <= 5) |
4241 | msleep(10); | |
4242 | else if (i <= 10) | |
4243 | msleep(500); | |
4244 | else | |
4245 | msleep(2500); | |
dea3101e | 4246 | |
41415862 | 4247 | if (i == 15) { |
2e0fef85 | 4248 | /* Do post */ |
92d7f7b0 | 4249 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
4250 | lpfc_sli_brdrestart(phba); |
4251 | } | |
4252 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4253 | if (lpfc_readl(phba->HSregaddr, &status)) { |
4254 | retval = 1; | |
4255 | break; | |
4256 | } | |
41415862 | 4257 | } |
dea3101e | 4258 | |
41415862 JW |
4259 | /* Check to see if any errors occurred during init */ |
4260 | if ((status & HS_FFERM) || (i >= 20)) { | |
372c187b | 4261 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e40a02c1 JS |
4262 | "2751 Adapter failed to restart, " |
4263 | "status reg x%x, FW Data: A8 x%x AC x%x\n", | |
4264 | status, | |
4265 | readl(phba->MBslimaddr + 0xa8), | |
4266 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4267 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4268 | retval = 1; |
dea3101e | 4269 | } |
dea3101e | 4270 | |
41415862 JW |
4271 | return retval; |
4272 | } | |
dea3101e | 4273 | |
da0436e9 JS |
4274 | /** |
4275 | * lpfc_sli_brdready_s4 - Check for sli4 host ready status | |
4276 | * @phba: Pointer to HBA context object. | |
4277 | * @mask: Bit mask to be checked. | |
4278 | * | |
4279 | * This function checks the host status register to check if HBA is | |
4280 | * ready. This function will wait in a loop for the HBA to be ready | |
4281 | * If the HBA is not ready , the function will will reset the HBA PCI | |
4282 | * function again. The function returns 1 when HBA fail to be ready | |
4283 | * otherwise returns zero. | |
4284 | **/ | |
4285 | static int | |
4286 | lpfc_sli_brdready_s4(struct lpfc_hba *phba, uint32_t mask) | |
4287 | { | |
4288 | uint32_t status; | |
4289 | int retval = 0; | |
4290 | ||
4291 | /* Read the HBA Host Status Register */ | |
4292 | status = lpfc_sli4_post_status_check(phba); | |
4293 | ||
4294 | if (status) { | |
4295 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
4296 | lpfc_sli_brdrestart(phba); | |
4297 | status = lpfc_sli4_post_status_check(phba); | |
4298 | } | |
4299 | ||
4300 | /* Check to see if any errors occurred during init */ | |
4301 | if (status) { | |
4302 | phba->link_state = LPFC_HBA_ERROR; | |
4303 | retval = 1; | |
4304 | } else | |
4305 | phba->sli4_hba.intr_enable = 0; | |
4306 | ||
4307 | return retval; | |
4308 | } | |
4309 | ||
4310 | /** | |
4311 | * lpfc_sli_brdready - Wrapper func for checking the hba readyness | |
4312 | * @phba: Pointer to HBA context object. | |
4313 | * @mask: Bit mask to be checked. | |
4314 | * | |
4315 | * This routine wraps the actual SLI3 or SLI4 hba readyness check routine | |
4316 | * from the API jump table function pointer from the lpfc_hba struct. | |
4317 | **/ | |
4318 | int | |
4319 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) | |
4320 | { | |
4321 | return phba->lpfc_sli_brdready(phba, mask); | |
4322 | } | |
4323 | ||
9290831f JS |
4324 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
4325 | ||
e59058c4 | 4326 | /** |
3621a710 | 4327 | * lpfc_reset_barrier - Make HBA ready for HBA reset |
e59058c4 JS |
4328 | * @phba: Pointer to HBA context object. |
4329 | * | |
1b51197d JS |
4330 | * This function is called before resetting an HBA. This function is called |
4331 | * with hbalock held and requests HBA to quiesce DMAs before a reset. | |
e59058c4 | 4332 | **/ |
2e0fef85 | 4333 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 4334 | { |
65a29c16 JS |
4335 | uint32_t __iomem *resp_buf; |
4336 | uint32_t __iomem *mbox_buf; | |
9290831f | 4337 | volatile uint32_t mbox; |
9940b97b | 4338 | uint32_t hc_copy, ha_copy, resp_data; |
9290831f JS |
4339 | int i; |
4340 | uint8_t hdrtype; | |
4341 | ||
1c2ba475 JT |
4342 | lockdep_assert_held(&phba->hbalock); |
4343 | ||
9290831f JS |
4344 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
4345 | if (hdrtype != 0x80 || | |
4346 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
4347 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
4348 | return; | |
4349 | ||
4350 | /* | |
4351 | * Tell the other part of the chip to suspend temporarily all | |
4352 | * its DMA activity. | |
4353 | */ | |
65a29c16 | 4354 | resp_buf = phba->MBslimaddr; |
9290831f JS |
4355 | |
4356 | /* Disable the error attention */ | |
9940b97b JS |
4357 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
4358 | return; | |
9290831f JS |
4359 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
4360 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 4361 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f | 4362 | |
9940b97b JS |
4363 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4364 | return; | |
4365 | if (ha_copy & HA_ERATT) { | |
9290831f JS |
4366 | /* Clear Chip error bit */ |
4367 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4368 | phba->pport->stopped = 1; |
9290831f JS |
4369 | } |
4370 | ||
4371 | mbox = 0; | |
4372 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
4373 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
4374 | ||
4375 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 4376 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
4377 | writel(mbox, mbox_buf); |
4378 | ||
9940b97b JS |
4379 | for (i = 0; i < 50; i++) { |
4380 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4381 | return; | |
4382 | if (resp_data != ~(BARRIER_TEST_PATTERN)) | |
4383 | mdelay(1); | |
4384 | else | |
4385 | break; | |
4386 | } | |
4387 | resp_data = 0; | |
4388 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4389 | return; | |
4390 | if (resp_data != ~(BARRIER_TEST_PATTERN)) { | |
f4b4c68f | 4391 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE || |
2e0fef85 | 4392 | phba->pport->stopped) |
9290831f JS |
4393 | goto restore_hc; |
4394 | else | |
4395 | goto clear_errat; | |
4396 | } | |
4397 | ||
4398 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
9940b97b JS |
4399 | resp_data = 0; |
4400 | for (i = 0; i < 500; i++) { | |
4401 | if (lpfc_readl(resp_buf, &resp_data)) | |
4402 | return; | |
4403 | if (resp_data != mbox) | |
4404 | mdelay(1); | |
4405 | else | |
4406 | break; | |
4407 | } | |
9290831f JS |
4408 | |
4409 | clear_errat: | |
4410 | ||
9940b97b JS |
4411 | while (++i < 500) { |
4412 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) | |
4413 | return; | |
4414 | if (!(ha_copy & HA_ERATT)) | |
4415 | mdelay(1); | |
4416 | else | |
4417 | break; | |
4418 | } | |
9290831f JS |
4419 | |
4420 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
4421 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4422 | phba->pport->stopped = 1; |
9290831f JS |
4423 | } |
4424 | ||
4425 | restore_hc: | |
2e0fef85 | 4426 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
4427 | writel(hc_copy, phba->HCregaddr); |
4428 | readl(phba->HCregaddr); /* flush */ | |
4429 | } | |
4430 | ||
e59058c4 | 4431 | /** |
3621a710 | 4432 | * lpfc_sli_brdkill - Issue a kill_board mailbox command |
e59058c4 JS |
4433 | * @phba: Pointer to HBA context object. |
4434 | * | |
4435 | * This function issues a kill_board mailbox command and waits for | |
4436 | * the error attention interrupt. This function is called for stopping | |
4437 | * the firmware processing. The caller is not required to hold any | |
4438 | * locks. This function calls lpfc_hba_down_post function to free | |
4439 | * any pending commands after the kill. The function will return 1 when it | |
4440 | * fails to kill the board else will return 0. | |
4441 | **/ | |
41415862 | 4442 | int |
2e0fef85 | 4443 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
4444 | { |
4445 | struct lpfc_sli *psli; | |
4446 | LPFC_MBOXQ_t *pmb; | |
4447 | uint32_t status; | |
4448 | uint32_t ha_copy; | |
4449 | int retval; | |
4450 | int i = 0; | |
dea3101e | 4451 | |
41415862 | 4452 | psli = &phba->sli; |
dea3101e | 4453 | |
41415862 | 4454 | /* Kill HBA */ |
ed957684 | 4455 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
4456 | "0329 Kill HBA Data: x%x x%x\n", |
4457 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 4458 | |
98c9ea5c JS |
4459 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4460 | if (!pmb) | |
41415862 | 4461 | return 1; |
41415862 JW |
4462 | |
4463 | /* Disable the error attention */ | |
2e0fef85 | 4464 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
4465 | if (lpfc_readl(phba->HCregaddr, &status)) { |
4466 | spin_unlock_irq(&phba->hbalock); | |
4467 | mempool_free(pmb, phba->mbox_mem_pool); | |
4468 | return 1; | |
4469 | } | |
41415862 JW |
4470 | status &= ~HC_ERINT_ENA; |
4471 | writel(status, phba->HCregaddr); | |
4472 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
4473 | phba->link_flag |= LS_IGNORE_ERATT; |
4474 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4475 | |
4476 | lpfc_kill_board(phba, pmb); | |
4477 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4478 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4479 | ||
4480 | if (retval != MBX_SUCCESS) { | |
4481 | if (retval != MBX_BUSY) | |
4482 | mempool_free(pmb, phba->mbox_mem_pool); | |
372c187b | 4483 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e40a02c1 JS |
4484 | "2752 KILL_BOARD command failed retval %d\n", |
4485 | retval); | |
2e0fef85 JS |
4486 | spin_lock_irq(&phba->hbalock); |
4487 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
4488 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4489 | return 1; |
4490 | } | |
4491 | ||
f4b4c68f JS |
4492 | spin_lock_irq(&phba->hbalock); |
4493 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
4494 | spin_unlock_irq(&phba->hbalock); | |
9290831f | 4495 | |
41415862 JW |
4496 | mempool_free(pmb, phba->mbox_mem_pool); |
4497 | ||
4498 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
4499 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
4500 | * 3 seconds we still set HBA_ERROR state because the status of the | |
4501 | * board is now undefined. | |
4502 | */ | |
9940b97b JS |
4503 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4504 | return 1; | |
41415862 JW |
4505 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
4506 | mdelay(100); | |
9940b97b JS |
4507 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4508 | return 1; | |
41415862 JW |
4509 | } |
4510 | ||
4511 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
4512 | if (ha_copy & HA_ERATT) { |
4513 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4514 | phba->pport->stopped = 1; |
9290831f | 4515 | } |
2e0fef85 | 4516 | spin_lock_irq(&phba->hbalock); |
41415862 | 4517 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
04c68496 | 4518 | psli->mbox_active = NULL; |
2e0fef85 JS |
4519 | phba->link_flag &= ~LS_IGNORE_ERATT; |
4520 | spin_unlock_irq(&phba->hbalock); | |
41415862 | 4521 | |
41415862 | 4522 | lpfc_hba_down_post(phba); |
2e0fef85 | 4523 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4524 | |
2e0fef85 | 4525 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e JB |
4526 | } |
4527 | ||
e59058c4 | 4528 | /** |
3772a991 | 4529 | * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA |
e59058c4 JS |
4530 | * @phba: Pointer to HBA context object. |
4531 | * | |
4532 | * This function resets the HBA by writing HC_INITFF to the control | |
4533 | * register. After the HBA resets, this function resets all the iocb ring | |
4534 | * indices. This function disables PCI layer parity checking during | |
4535 | * the reset. | |
4536 | * This function returns 0 always. | |
4537 | * The caller is not required to hold any locks. | |
4538 | **/ | |
41415862 | 4539 | int |
2e0fef85 | 4540 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 4541 | { |
41415862 | 4542 | struct lpfc_sli *psli; |
dea3101e | 4543 | struct lpfc_sli_ring *pring; |
41415862 | 4544 | uint16_t cfg_value; |
dea3101e | 4545 | int i; |
dea3101e | 4546 | |
41415862 | 4547 | psli = &phba->sli; |
dea3101e | 4548 | |
41415862 JW |
4549 | /* Reset HBA */ |
4550 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4551 | "0325 Reset HBA Data: x%x x%x\n", |
4492b739 JS |
4552 | (phba->pport) ? phba->pport->port_state : 0, |
4553 | psli->sli_flag); | |
dea3101e JB |
4554 | |
4555 | /* perform board reset */ | |
4556 | phba->fc_eventTag = 0; | |
4d9ab994 | 4557 | phba->link_events = 0; |
4492b739 JS |
4558 | if (phba->pport) { |
4559 | phba->pport->fc_myDID = 0; | |
4560 | phba->pport->fc_prevDID = 0; | |
4561 | } | |
dea3101e | 4562 | |
41415862 | 4563 | /* Turn off parity checking and serr during the physical reset */ |
32a93100 JS |
4564 | if (pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value)) |
4565 | return -EIO; | |
4566 | ||
41415862 JW |
4567 | pci_write_config_word(phba->pcidev, PCI_COMMAND, |
4568 | (cfg_value & | |
4569 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4570 | ||
3772a991 JS |
4571 | psli->sli_flag &= ~(LPFC_SLI_ACTIVE | LPFC_PROCESS_LA); |
4572 | ||
41415862 JW |
4573 | /* Now toggle INITFF bit in the Host Control Register */ |
4574 | writel(HC_INITFF, phba->HCregaddr); | |
4575 | mdelay(1); | |
4576 | readl(phba->HCregaddr); /* flush */ | |
4577 | writel(0, phba->HCregaddr); | |
4578 | readl(phba->HCregaddr); /* flush */ | |
4579 | ||
4580 | /* Restore PCI cmd register */ | |
4581 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e JB |
4582 | |
4583 | /* Initialize relevant SLI info */ | |
41415862 | 4584 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 4585 | pring = &psli->sli3_ring[i]; |
dea3101e | 4586 | pring->flag = 0; |
7e56aa25 JS |
4587 | pring->sli.sli3.rspidx = 0; |
4588 | pring->sli.sli3.next_cmdidx = 0; | |
4589 | pring->sli.sli3.local_getidx = 0; | |
4590 | pring->sli.sli3.cmdidx = 0; | |
dea3101e JB |
4591 | pring->missbufcnt = 0; |
4592 | } | |
dea3101e | 4593 | |
2e0fef85 | 4594 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
4595 | return 0; |
4596 | } | |
4597 | ||
e59058c4 | 4598 | /** |
da0436e9 JS |
4599 | * lpfc_sli4_brdreset - Reset a sli-4 HBA |
4600 | * @phba: Pointer to HBA context object. | |
4601 | * | |
4602 | * This function resets a SLI4 HBA. This function disables PCI layer parity | |
4603 | * checking during resets the device. The caller is not required to hold | |
4604 | * any locks. | |
4605 | * | |
8c24a4f6 | 4606 | * This function returns 0 on success else returns negative error code. |
da0436e9 JS |
4607 | **/ |
4608 | int | |
4609 | lpfc_sli4_brdreset(struct lpfc_hba *phba) | |
4610 | { | |
4611 | struct lpfc_sli *psli = &phba->sli; | |
4612 | uint16_t cfg_value; | |
0293635e | 4613 | int rc = 0; |
da0436e9 JS |
4614 | |
4615 | /* Reset HBA */ | |
4616 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
0293635e JS |
4617 | "0295 Reset HBA Data: x%x x%x x%x\n", |
4618 | phba->pport->port_state, psli->sli_flag, | |
4619 | phba->hba_flag); | |
da0436e9 JS |
4620 | |
4621 | /* perform board reset */ | |
4622 | phba->fc_eventTag = 0; | |
4d9ab994 | 4623 | phba->link_events = 0; |
da0436e9 JS |
4624 | phba->pport->fc_myDID = 0; |
4625 | phba->pport->fc_prevDID = 0; | |
4626 | ||
da0436e9 JS |
4627 | spin_lock_irq(&phba->hbalock); |
4628 | psli->sli_flag &= ~(LPFC_PROCESS_LA); | |
4629 | phba->fcf.fcf_flag = 0; | |
da0436e9 JS |
4630 | spin_unlock_irq(&phba->hbalock); |
4631 | ||
0293635e JS |
4632 | /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */ |
4633 | if (phba->hba_flag & HBA_FW_DUMP_OP) { | |
4634 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
4635 | return rc; | |
4636 | } | |
4637 | ||
da0436e9 JS |
4638 | /* Now physically reset the device */ |
4639 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4640 | "0389 Performing PCI function reset!\n"); | |
be858b65 JS |
4641 | |
4642 | /* Turn off parity checking and serr during the physical reset */ | |
32a93100 JS |
4643 | if (pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value)) { |
4644 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4645 | "3205 PCI read Config failed\n"); | |
4646 | return -EIO; | |
4647 | } | |
4648 | ||
be858b65 JS |
4649 | pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value & |
4650 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4651 | ||
88318816 | 4652 | /* Perform FCoE PCI function reset before freeing queue memory */ |
27b01b82 | 4653 | rc = lpfc_pci_function_reset(phba); |
da0436e9 | 4654 | |
be858b65 JS |
4655 | /* Restore PCI cmd register */ |
4656 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
4657 | ||
27b01b82 | 4658 | return rc; |
da0436e9 JS |
4659 | } |
4660 | ||
4661 | /** | |
4662 | * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba | |
e59058c4 JS |
4663 | * @phba: Pointer to HBA context object. |
4664 | * | |
4665 | * This function is called in the SLI initialization code path to | |
4666 | * restart the HBA. The caller is not required to hold any lock. | |
4667 | * This function writes MBX_RESTART mailbox command to the SLIM and | |
4668 | * resets the HBA. At the end of the function, it calls lpfc_hba_down_post | |
4669 | * function to free any pending commands. The function enables | |
4670 | * POST only during the first initialization. The function returns zero. | |
4671 | * The function does not guarantee completion of MBX_RESTART mailbox | |
4672 | * command before the return of this function. | |
4673 | **/ | |
da0436e9 JS |
4674 | static int |
4675 | lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) | |
41415862 JW |
4676 | { |
4677 | MAILBOX_t *mb; | |
4678 | struct lpfc_sli *psli; | |
41415862 JW |
4679 | volatile uint32_t word0; |
4680 | void __iomem *to_slim; | |
0d878419 | 4681 | uint32_t hba_aer_enabled; |
41415862 | 4682 | |
2e0fef85 | 4683 | spin_lock_irq(&phba->hbalock); |
41415862 | 4684 | |
0d878419 JS |
4685 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4686 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4687 | ||
41415862 JW |
4688 | psli = &phba->sli; |
4689 | ||
4690 | /* Restart HBA */ | |
4691 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4692 | "0337 Restart HBA Data: x%x x%x\n", |
4492b739 JS |
4693 | (phba->pport) ? phba->pport->port_state : 0, |
4694 | psli->sli_flag); | |
41415862 JW |
4695 | |
4696 | word0 = 0; | |
4697 | mb = (MAILBOX_t *) &word0; | |
4698 | mb->mbxCommand = MBX_RESTART; | |
4699 | mb->mbxHc = 1; | |
4700 | ||
9290831f JS |
4701 | lpfc_reset_barrier(phba); |
4702 | ||
41415862 JW |
4703 | to_slim = phba->MBslimaddr; |
4704 | writel(*(uint32_t *) mb, to_slim); | |
4705 | readl(to_slim); /* flush */ | |
4706 | ||
4707 | /* Only skip post after fc_ffinit is completed */ | |
4492b739 | 4708 | if (phba->pport && phba->pport->port_state) |
41415862 | 4709 | word0 = 1; /* This is really setting up word1 */ |
eaf15d5b | 4710 | else |
41415862 | 4711 | word0 = 0; /* This is really setting up word1 */ |
65a29c16 | 4712 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
4713 | writel(*(uint32_t *) mb, to_slim); |
4714 | readl(to_slim); /* flush */ | |
dea3101e | 4715 | |
41415862 | 4716 | lpfc_sli_brdreset(phba); |
4492b739 JS |
4717 | if (phba->pport) |
4718 | phba->pport->stopped = 0; | |
2e0fef85 | 4719 | phba->link_state = LPFC_INIT_START; |
da0436e9 | 4720 | phba->hba_flag = 0; |
2e0fef85 | 4721 | spin_unlock_irq(&phba->hbalock); |
41415862 | 4722 | |
64ba8818 | 4723 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
c4d6204d | 4724 | psli->stats_start = ktime_get_seconds(); |
64ba8818 | 4725 | |
eaf15d5b JS |
4726 | /* Give the INITFF and Post time to settle. */ |
4727 | mdelay(100); | |
41415862 | 4728 | |
0d878419 JS |
4729 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4730 | if (hba_aer_enabled) | |
4731 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4732 | ||
41415862 | 4733 | lpfc_hba_down_post(phba); |
dea3101e JB |
4734 | |
4735 | return 0; | |
4736 | } | |
4737 | ||
da0436e9 JS |
4738 | /** |
4739 | * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba | |
4740 | * @phba: Pointer to HBA context object. | |
4741 | * | |
4742 | * This function is called in the SLI initialization code path to restart | |
4743 | * a SLI4 HBA. The caller is not required to hold any lock. | |
4744 | * At the end of the function, it calls lpfc_hba_down_post function to | |
4745 | * free any pending commands. | |
4746 | **/ | |
4747 | static int | |
4748 | lpfc_sli_brdrestart_s4(struct lpfc_hba *phba) | |
4749 | { | |
4750 | struct lpfc_sli *psli = &phba->sli; | |
75baf696 | 4751 | uint32_t hba_aer_enabled; |
27b01b82 | 4752 | int rc; |
da0436e9 JS |
4753 | |
4754 | /* Restart HBA */ | |
4755 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4756 | "0296 Restart HBA Data: x%x x%x\n", | |
4757 | phba->pport->port_state, psli->sli_flag); | |
4758 | ||
75baf696 JS |
4759 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4760 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4761 | ||
27b01b82 | 4762 | rc = lpfc_sli4_brdreset(phba); |
4fb86a6b JS |
4763 | if (rc) { |
4764 | phba->link_state = LPFC_HBA_ERROR; | |
4765 | goto hba_down_queue; | |
4766 | } | |
da0436e9 JS |
4767 | |
4768 | spin_lock_irq(&phba->hbalock); | |
4769 | phba->pport->stopped = 0; | |
4770 | phba->link_state = LPFC_INIT_START; | |
4771 | phba->hba_flag = 0; | |
4772 | spin_unlock_irq(&phba->hbalock); | |
4773 | ||
4774 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); | |
c4d6204d | 4775 | psli->stats_start = ktime_get_seconds(); |
da0436e9 | 4776 | |
75baf696 JS |
4777 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4778 | if (hba_aer_enabled) | |
4779 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4780 | ||
4fb86a6b | 4781 | hba_down_queue: |
da0436e9 | 4782 | lpfc_hba_down_post(phba); |
569dbe84 | 4783 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 4784 | |
27b01b82 | 4785 | return rc; |
da0436e9 JS |
4786 | } |
4787 | ||
4788 | /** | |
4789 | * lpfc_sli_brdrestart - Wrapper func for restarting hba | |
4790 | * @phba: Pointer to HBA context object. | |
4791 | * | |
4792 | * This routine wraps the actual SLI3 or SLI4 hba restart routine from the | |
4793 | * API jump table function pointer from the lpfc_hba struct. | |
4794 | **/ | |
4795 | int | |
4796 | lpfc_sli_brdrestart(struct lpfc_hba *phba) | |
4797 | { | |
4798 | return phba->lpfc_sli_brdrestart(phba); | |
4799 | } | |
4800 | ||
e59058c4 | 4801 | /** |
3621a710 | 4802 | * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart |
e59058c4 JS |
4803 | * @phba: Pointer to HBA context object. |
4804 | * | |
4805 | * This function is called after a HBA restart to wait for successful | |
4806 | * restart of the HBA. Successful restart of the HBA is indicated by | |
4807 | * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15 | |
4808 | * iteration, the function will restart the HBA again. The function returns | |
4809 | * zero if HBA successfully restarted else returns negative error code. | |
4810 | **/ | |
4492b739 | 4811 | int |
dea3101e JB |
4812 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
4813 | { | |
4814 | uint32_t status, i = 0; | |
4815 | ||
4816 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4817 | if (lpfc_readl(phba->HSregaddr, &status)) |
4818 | return -EIO; | |
dea3101e JB |
4819 | |
4820 | /* Check status register to see what current state is */ | |
4821 | i = 0; | |
4822 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
4823 | ||
dcf2a4e0 JS |
4824 | /* Check every 10ms for 10 retries, then every 100ms for 90 |
4825 | * retries, then every 1 sec for 50 retires for a total of | |
4826 | * ~60 seconds before reset the board again and check every | |
4827 | * 1 sec for 50 retries. The up to 60 seconds before the | |
4828 | * board ready is required by the Falcon FIPS zeroization | |
4829 | * complete, and any reset the board in between shall cause | |
4830 | * restart of zeroization, further delay the board ready. | |
dea3101e | 4831 | */ |
dcf2a4e0 | 4832 | if (i++ >= 200) { |
dea3101e JB |
4833 | /* Adapter failed to init, timeout, status reg |
4834 | <status> */ | |
372c187b | 4835 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 4836 | "0436 Adapter failed to init, " |
09372820 JS |
4837 | "timeout, status reg x%x, " |
4838 | "FW Data: A8 x%x AC x%x\n", status, | |
4839 | readl(phba->MBslimaddr + 0xa8), | |
4840 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4841 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4842 | return -ETIMEDOUT; |
4843 | } | |
4844 | ||
4845 | /* Check to see if any errors occurred during init */ | |
4846 | if (status & HS_FFERM) { | |
4847 | /* ERROR: During chipset initialization */ | |
4848 | /* Adapter failed to init, chipset, status reg | |
4849 | <status> */ | |
372c187b | 4850 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 4851 | "0437 Adapter failed to init, " |
09372820 JS |
4852 | "chipset, status reg x%x, " |
4853 | "FW Data: A8 x%x AC x%x\n", status, | |
4854 | readl(phba->MBslimaddr + 0xa8), | |
4855 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4856 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4857 | return -EIO; |
4858 | } | |
4859 | ||
dcf2a4e0 | 4860 | if (i <= 10) |
dea3101e | 4861 | msleep(10); |
dcf2a4e0 JS |
4862 | else if (i <= 100) |
4863 | msleep(100); | |
4864 | else | |
4865 | msleep(1000); | |
dea3101e | 4866 | |
dcf2a4e0 JS |
4867 | if (i == 150) { |
4868 | /* Do post */ | |
92d7f7b0 | 4869 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4870 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4871 | } |
4872 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4873 | if (lpfc_readl(phba->HSregaddr, &status)) |
4874 | return -EIO; | |
dea3101e JB |
4875 | } |
4876 | ||
4877 | /* Check to see if any errors occurred during init */ | |
4878 | if (status & HS_FFERM) { | |
4879 | /* ERROR: During chipset initialization */ | |
4880 | /* Adapter failed to init, chipset, status reg <status> */ | |
372c187b | 4881 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 4882 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
4883 | "status reg x%x, " |
4884 | "FW Data: A8 x%x AC x%x\n", status, | |
4885 | readl(phba->MBslimaddr + 0xa8), | |
4886 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4887 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4888 | return -EIO; |
4889 | } | |
4890 | ||
4891 | /* Clear all interrupt enable conditions */ | |
4892 | writel(0, phba->HCregaddr); | |
4893 | readl(phba->HCregaddr); /* flush */ | |
4894 | ||
4895 | /* setup host attn register */ | |
4896 | writel(0xffffffff, phba->HAregaddr); | |
4897 | readl(phba->HAregaddr); /* flush */ | |
4898 | return 0; | |
4899 | } | |
4900 | ||
e59058c4 | 4901 | /** |
3621a710 | 4902 | * lpfc_sli_hbq_count - Get the number of HBQs to be configured |
e59058c4 JS |
4903 | * |
4904 | * This function calculates and returns the number of HBQs required to be | |
4905 | * configured. | |
4906 | **/ | |
78b2d852 | 4907 | int |
ed957684 JS |
4908 | lpfc_sli_hbq_count(void) |
4909 | { | |
92d7f7b0 | 4910 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
4911 | } |
4912 | ||
e59058c4 | 4913 | /** |
3621a710 | 4914 | * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries |
e59058c4 JS |
4915 | * |
4916 | * This function adds the number of hbq entries in every HBQ to get | |
4917 | * the total number of hbq entries required for the HBA and returns | |
4918 | * the total count. | |
4919 | **/ | |
ed957684 JS |
4920 | static int |
4921 | lpfc_sli_hbq_entry_count(void) | |
4922 | { | |
4923 | int hbq_count = lpfc_sli_hbq_count(); | |
4924 | int count = 0; | |
4925 | int i; | |
4926 | ||
4927 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 4928 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
4929 | return count; |
4930 | } | |
4931 | ||
e59058c4 | 4932 | /** |
3621a710 | 4933 | * lpfc_sli_hbq_size - Calculate memory required for all hbq entries |
e59058c4 JS |
4934 | * |
4935 | * This function calculates amount of memory required for all hbq entries | |
4936 | * to be configured and returns the total memory required. | |
4937 | **/ | |
dea3101e | 4938 | int |
ed957684 JS |
4939 | lpfc_sli_hbq_size(void) |
4940 | { | |
4941 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
4942 | } | |
4943 | ||
e59058c4 | 4944 | /** |
3621a710 | 4945 | * lpfc_sli_hbq_setup - configure and initialize HBQs |
e59058c4 JS |
4946 | * @phba: Pointer to HBA context object. |
4947 | * | |
4948 | * This function is called during the SLI initialization to configure | |
4949 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4950 | * required to hold any locks. This function will return zero if successful | |
4951 | * else it will return negative error code. | |
4952 | **/ | |
ed957684 JS |
4953 | static int |
4954 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
4955 | { | |
4956 | int hbq_count = lpfc_sli_hbq_count(); | |
4957 | LPFC_MBOXQ_t *pmb; | |
4958 | MAILBOX_t *pmbox; | |
4959 | uint32_t hbqno; | |
4960 | uint32_t hbq_entry_index; | |
ed957684 | 4961 | |
92d7f7b0 JS |
4962 | /* Get a Mailbox buffer to setup mailbox |
4963 | * commands for HBA initialization | |
4964 | */ | |
ed957684 JS |
4965 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4966 | ||
4967 | if (!pmb) | |
4968 | return -ENOMEM; | |
4969 | ||
04c68496 | 4970 | pmbox = &pmb->u.mb; |
ed957684 JS |
4971 | |
4972 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
4973 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
3163f725 | 4974 | phba->hbq_in_use = 1; |
ed957684 JS |
4975 | |
4976 | hbq_entry_index = 0; | |
4977 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
4978 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
4979 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
4980 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
4981 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 4982 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
4983 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
4984 | hbq_entry_index, pmb); | |
ed957684 JS |
4985 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
4986 | ||
4987 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
4988 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
4989 | mbxStatus <status>, ring <num> */ | |
4990 | ||
4991 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 4992 | LOG_SLI | LOG_VPORT, |
e8b62011 | 4993 | "1805 Adapter failed to init. " |
ed957684 | 4994 | "Data: x%x x%x x%x\n", |
e8b62011 | 4995 | pmbox->mbxCommand, |
ed957684 JS |
4996 | pmbox->mbxStatus, hbqno); |
4997 | ||
4998 | phba->link_state = LPFC_HBA_ERROR; | |
4999 | mempool_free(pmb, phba->mbox_mem_pool); | |
6e7288d9 | 5000 | return -ENXIO; |
ed957684 JS |
5001 | } |
5002 | } | |
5003 | phba->hbq_count = hbq_count; | |
5004 | ||
ed957684 JS |
5005 | mempool_free(pmb, phba->mbox_mem_pool); |
5006 | ||
92d7f7b0 | 5007 | /* Initially populate or replenish the HBQs */ |
d7c255b2 JS |
5008 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) |
5009 | lpfc_sli_hbqbuf_init_hbqs(phba, hbqno); | |
ed957684 JS |
5010 | return 0; |
5011 | } | |
5012 | ||
4f774513 JS |
5013 | /** |
5014 | * lpfc_sli4_rb_setup - Initialize and post RBs to HBA | |
5015 | * @phba: Pointer to HBA context object. | |
5016 | * | |
5017 | * This function is called during the SLI initialization to configure | |
5018 | * all the HBQs and post buffers to the HBQ. The caller is not | |
5019 | * required to hold any locks. This function will return zero if successful | |
5020 | * else it will return negative error code. | |
5021 | **/ | |
5022 | static int | |
5023 | lpfc_sli4_rb_setup(struct lpfc_hba *phba) | |
5024 | { | |
5025 | phba->hbq_in_use = 1; | |
999fbbce JS |
5026 | /** |
5027 | * Specific case when the MDS diagnostics is enabled and supported. | |
5028 | * The receive buffer count is truncated to manage the incoming | |
5029 | * traffic. | |
5030 | **/ | |
5031 | if (phba->cfg_enable_mds_diags && phba->mds_diags_support) | |
5032 | phba->hbqs[LPFC_ELS_HBQ].entry_count = | |
5033 | lpfc_hbq_defs[LPFC_ELS_HBQ]->entry_count >> 1; | |
5034 | else | |
5035 | phba->hbqs[LPFC_ELS_HBQ].entry_count = | |
5036 | lpfc_hbq_defs[LPFC_ELS_HBQ]->entry_count; | |
4f774513 | 5037 | phba->hbq_count = 1; |
895427bd | 5038 | lpfc_sli_hbqbuf_init_hbqs(phba, LPFC_ELS_HBQ); |
4f774513 | 5039 | /* Initially populate or replenish the HBQs */ |
4f774513 JS |
5040 | return 0; |
5041 | } | |
5042 | ||
e59058c4 | 5043 | /** |
3621a710 | 5044 | * lpfc_sli_config_port - Issue config port mailbox command |
e59058c4 JS |
5045 | * @phba: Pointer to HBA context object. |
5046 | * @sli_mode: sli mode - 2/3 | |
5047 | * | |
183b8021 | 5048 | * This function is called by the sli initialization code path |
e59058c4 JS |
5049 | * to issue config_port mailbox command. This function restarts the |
5050 | * HBA firmware and issues a config_port mailbox command to configure | |
5051 | * the SLI interface in the sli mode specified by sli_mode | |
5052 | * variable. The caller is not required to hold any locks. | |
5053 | * The function returns 0 if successful, else returns negative error | |
5054 | * code. | |
5055 | **/ | |
9399627f JS |
5056 | int |
5057 | lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e JB |
5058 | { |
5059 | LPFC_MBOXQ_t *pmb; | |
5060 | uint32_t resetcount = 0, rc = 0, done = 0; | |
5061 | ||
5062 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5063 | if (!pmb) { | |
2e0fef85 | 5064 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
5065 | return -ENOMEM; |
5066 | } | |
5067 | ||
ed957684 | 5068 | phba->sli_rev = sli_mode; |
dea3101e | 5069 | while (resetcount < 2 && !done) { |
2e0fef85 | 5070 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 5071 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 5072 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 5073 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 5074 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
5075 | rc = lpfc_sli_chipset_init(phba); |
5076 | if (rc) | |
5077 | break; | |
5078 | ||
2e0fef85 | 5079 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 5080 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 5081 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
5082 | resetcount++; |
5083 | ||
ed957684 JS |
5084 | /* Call pre CONFIG_PORT mailbox command initialization. A |
5085 | * value of 0 means the call was successful. Any other | |
5086 | * nonzero value is a failure, but if ERESTART is returned, | |
5087 | * the driver may reset the HBA and try again. | |
5088 | */ | |
dea3101e JB |
5089 | rc = lpfc_config_port_prep(phba); |
5090 | if (rc == -ERESTART) { | |
ed957684 | 5091 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e | 5092 | continue; |
34b02dcd | 5093 | } else if (rc) |
dea3101e | 5094 | break; |
6d368e53 | 5095 | |
2e0fef85 | 5096 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
5097 | lpfc_config_port(phba, pmb); |
5098 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
34b02dcd JS |
5099 | phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED | |
5100 | LPFC_SLI3_HBQ_ENABLED | | |
5101 | LPFC_SLI3_CRP_ENABLED | | |
bc73905a | 5102 | LPFC_SLI3_DSS_ENABLED); |
ed957684 | 5103 | if (rc != MBX_SUCCESS) { |
372c187b | 5104 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 5105 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 5106 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
04c68496 | 5107 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus, 0); |
2e0fef85 | 5108 | spin_lock_irq(&phba->hbalock); |
04c68496 | 5109 | phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; |
2e0fef85 JS |
5110 | spin_unlock_irq(&phba->hbalock); |
5111 | rc = -ENXIO; | |
04c68496 JS |
5112 | } else { |
5113 | /* Allow asynchronous mailbox command to go through */ | |
5114 | spin_lock_irq(&phba->hbalock); | |
5115 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
5116 | spin_unlock_irq(&phba->hbalock); | |
ed957684 | 5117 | done = 1; |
cb69f7de JS |
5118 | |
5119 | if ((pmb->u.mb.un.varCfgPort.casabt == 1) && | |
5120 | (pmb->u.mb.un.varCfgPort.gasabt == 0)) | |
5121 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5122 | "3110 Port did not grant ASABT\n"); | |
04c68496 | 5123 | } |
dea3101e | 5124 | } |
ed957684 JS |
5125 | if (!done) { |
5126 | rc = -EINVAL; | |
5127 | goto do_prep_failed; | |
5128 | } | |
04c68496 JS |
5129 | if (pmb->u.mb.un.varCfgPort.sli_mode == 3) { |
5130 | if (!pmb->u.mb.un.varCfgPort.cMA) { | |
34b02dcd JS |
5131 | rc = -ENXIO; |
5132 | goto do_prep_failed; | |
5133 | } | |
04c68496 | 5134 | if (phba->max_vpi && pmb->u.mb.un.varCfgPort.gmv) { |
34b02dcd | 5135 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
04c68496 JS |
5136 | phba->max_vpi = pmb->u.mb.un.varCfgPort.max_vpi; |
5137 | phba->max_vports = (phba->max_vpi > phba->max_vports) ? | |
5138 | phba->max_vpi : phba->max_vports; | |
5139 | ||
34b02dcd JS |
5140 | } else |
5141 | phba->max_vpi = 0; | |
04c68496 | 5142 | if (pmb->u.mb.un.varCfgPort.gerbm) |
34b02dcd | 5143 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; |
04c68496 | 5144 | if (pmb->u.mb.un.varCfgPort.gcrp) |
34b02dcd | 5145 | phba->sli3_options |= LPFC_SLI3_CRP_ENABLED; |
6e7288d9 JS |
5146 | |
5147 | phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get; | |
5148 | phba->port_gp = phba->mbox->us.s3_pgp.port; | |
e2a0a9d6 | 5149 | |
f44ac12f JS |
5150 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { |
5151 | if (pmb->u.mb.un.varCfgPort.gbg == 0) { | |
5152 | phba->cfg_enable_bg = 0; | |
5153 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; | |
372c187b | 5154 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e2a0a9d6 JS |
5155 | "0443 Adapter did not grant " |
5156 | "BlockGuard\n"); | |
f44ac12f | 5157 | } |
e2a0a9d6 | 5158 | } |
34b02dcd | 5159 | } else { |
8f34f4ce | 5160 | phba->hbq_get = NULL; |
34b02dcd | 5161 | phba->port_gp = phba->mbox->us.s2.port; |
d7c255b2 | 5162 | phba->max_vpi = 0; |
ed957684 | 5163 | } |
92d7f7b0 | 5164 | do_prep_failed: |
ed957684 JS |
5165 | mempool_free(pmb, phba->mbox_mem_pool); |
5166 | return rc; | |
5167 | } | |
5168 | ||
e59058c4 JS |
5169 | |
5170 | /** | |
183b8021 | 5171 | * lpfc_sli_hba_setup - SLI initialization function |
e59058c4 JS |
5172 | * @phba: Pointer to HBA context object. |
5173 | * | |
183b8021 MY |
5174 | * This function is the main SLI initialization function. This function |
5175 | * is called by the HBA initialization code, HBA reset code and HBA | |
e59058c4 JS |
5176 | * error attention handler code. Caller is not required to hold any |
5177 | * locks. This function issues config_port mailbox command to configure | |
5178 | * the SLI, setup iocb rings and HBQ rings. In the end the function | |
5179 | * calls the config_port_post function to issue init_link mailbox | |
5180 | * command and to start the discovery. The function will return zero | |
5181 | * if successful, else it will return negative error code. | |
5182 | **/ | |
ed957684 JS |
5183 | int |
5184 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
5185 | { | |
5186 | uint32_t rc; | |
6d368e53 JS |
5187 | int mode = 3, i; |
5188 | int longs; | |
ed957684 | 5189 | |
12247e81 | 5190 | switch (phba->cfg_sli_mode) { |
ed957684 | 5191 | case 2: |
78b2d852 | 5192 | if (phba->cfg_enable_npiv) { |
372c187b | 5193 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
12247e81 | 5194 | "1824 NPIV enabled: Override sli_mode " |
92d7f7b0 | 5195 | "parameter (%d) to auto (0).\n", |
12247e81 | 5196 | phba->cfg_sli_mode); |
92d7f7b0 JS |
5197 | break; |
5198 | } | |
ed957684 JS |
5199 | mode = 2; |
5200 | break; | |
5201 | case 0: | |
5202 | case 3: | |
5203 | break; | |
5204 | default: | |
372c187b | 5205 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
12247e81 JS |
5206 | "1819 Unrecognized sli_mode parameter: %d.\n", |
5207 | phba->cfg_sli_mode); | |
ed957684 JS |
5208 | |
5209 | break; | |
5210 | } | |
b5c53958 | 5211 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
ed957684 | 5212 | |
9399627f JS |
5213 | rc = lpfc_sli_config_port(phba, mode); |
5214 | ||
12247e81 | 5215 | if (rc && phba->cfg_sli_mode == 3) |
372c187b | 5216 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 JS |
5217 | "1820 Unable to select SLI-3. " |
5218 | "Not supported by adapter.\n"); | |
ed957684 | 5219 | if (rc && mode != 2) |
9399627f | 5220 | rc = lpfc_sli_config_port(phba, 2); |
4597663f JS |
5221 | else if (rc && mode == 2) |
5222 | rc = lpfc_sli_config_port(phba, 3); | |
ed957684 | 5223 | if (rc) |
dea3101e JB |
5224 | goto lpfc_sli_hba_setup_error; |
5225 | ||
0d878419 JS |
5226 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
5227 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
5228 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
5229 | if (!rc) { | |
5230 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5231 | "2709 This device supports " | |
5232 | "Advanced Error Reporting (AER)\n"); | |
5233 | spin_lock_irq(&phba->hbalock); | |
5234 | phba->hba_flag |= HBA_AER_ENABLED; | |
5235 | spin_unlock_irq(&phba->hbalock); | |
5236 | } else { | |
5237 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5238 | "2708 This device does not support " | |
b069d7eb JS |
5239 | "Advanced Error Reporting (AER): %d\n", |
5240 | rc); | |
0d878419 JS |
5241 | phba->cfg_aer_support = 0; |
5242 | } | |
5243 | } | |
5244 | ||
ed957684 JS |
5245 | if (phba->sli_rev == 3) { |
5246 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
5247 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
ed957684 JS |
5248 | } else { |
5249 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
5250 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 5251 | phba->sli3_options = 0; |
ed957684 JS |
5252 | } |
5253 | ||
5254 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
5255 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
5256 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 5257 | rc = lpfc_sli_ring_map(phba); |
dea3101e JB |
5258 | |
5259 | if (rc) | |
5260 | goto lpfc_sli_hba_setup_error; | |
5261 | ||
6d368e53 JS |
5262 | /* Initialize VPIs. */ |
5263 | if (phba->sli_rev == LPFC_SLI_REV3) { | |
5264 | /* | |
5265 | * The VPI bitmask and physical ID array are allocated | |
5266 | * and initialized once only - at driver load. A port | |
5267 | * reset doesn't need to reinitialize this memory. | |
5268 | */ | |
5269 | if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) { | |
5270 | longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG; | |
6396bb22 KC |
5271 | phba->vpi_bmask = kcalloc(longs, |
5272 | sizeof(unsigned long), | |
6d368e53 JS |
5273 | GFP_KERNEL); |
5274 | if (!phba->vpi_bmask) { | |
5275 | rc = -ENOMEM; | |
5276 | goto lpfc_sli_hba_setup_error; | |
5277 | } | |
5278 | ||
6396bb22 KC |
5279 | phba->vpi_ids = kcalloc(phba->max_vpi + 1, |
5280 | sizeof(uint16_t), | |
5281 | GFP_KERNEL); | |
6d368e53 JS |
5282 | if (!phba->vpi_ids) { |
5283 | kfree(phba->vpi_bmask); | |
5284 | rc = -ENOMEM; | |
5285 | goto lpfc_sli_hba_setup_error; | |
5286 | } | |
5287 | for (i = 0; i < phba->max_vpi; i++) | |
5288 | phba->vpi_ids[i] = i; | |
5289 | } | |
5290 | } | |
5291 | ||
9399627f | 5292 | /* Init HBQs */ |
ed957684 JS |
5293 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
5294 | rc = lpfc_sli_hbq_setup(phba); | |
5295 | if (rc) | |
5296 | goto lpfc_sli_hba_setup_error; | |
5297 | } | |
04c68496 | 5298 | spin_lock_irq(&phba->hbalock); |
dea3101e | 5299 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
04c68496 | 5300 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
5301 | |
5302 | rc = lpfc_config_port_post(phba); | |
5303 | if (rc) | |
5304 | goto lpfc_sli_hba_setup_error; | |
5305 | ||
ed957684 JS |
5306 | return rc; |
5307 | ||
92d7f7b0 | 5308 | lpfc_sli_hba_setup_error: |
2e0fef85 | 5309 | phba->link_state = LPFC_HBA_ERROR; |
372c187b | 5310 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 5311 | "0445 Firmware initialization failed\n"); |
dea3101e JB |
5312 | return rc; |
5313 | } | |
5314 | ||
e59058c4 | 5315 | /** |
da0436e9 JS |
5316 | * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region |
5317 | * @phba: Pointer to HBA context object. | |
7af29d45 | 5318 | * |
da0436e9 JS |
5319 | * This function issue a dump mailbox command to read config region |
5320 | * 23 and parse the records in the region and populate driver | |
5321 | * data structure. | |
e59058c4 | 5322 | **/ |
da0436e9 | 5323 | static int |
ff78d8f9 | 5324 | lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba) |
dea3101e | 5325 | { |
ff78d8f9 | 5326 | LPFC_MBOXQ_t *mboxq; |
da0436e9 JS |
5327 | struct lpfc_dmabuf *mp; |
5328 | struct lpfc_mqe *mqe; | |
5329 | uint32_t data_length; | |
5330 | int rc; | |
dea3101e | 5331 | |
da0436e9 JS |
5332 | /* Program the default value of vlan_id and fc_map */ |
5333 | phba->valid_vlan = 0; | |
5334 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
5335 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
5336 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
2e0fef85 | 5337 | |
ff78d8f9 JS |
5338 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5339 | if (!mboxq) | |
da0436e9 JS |
5340 | return -ENOMEM; |
5341 | ||
ff78d8f9 JS |
5342 | mqe = &mboxq->u.mqe; |
5343 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) { | |
5344 | rc = -ENOMEM; | |
5345 | goto out_free_mboxq; | |
5346 | } | |
5347 | ||
3e1f0718 | 5348 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
da0436e9 JS |
5349 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
5350 | ||
5351 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
5352 | "(%d):2571 Mailbox cmd x%x Status x%x " | |
5353 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5354 | "x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5355 | "CQ: x%x x%x x%x x%x\n", | |
5356 | mboxq->vport ? mboxq->vport->vpi : 0, | |
5357 | bf_get(lpfc_mqe_command, mqe), | |
5358 | bf_get(lpfc_mqe_status, mqe), | |
5359 | mqe->un.mb_words[0], mqe->un.mb_words[1], | |
5360 | mqe->un.mb_words[2], mqe->un.mb_words[3], | |
5361 | mqe->un.mb_words[4], mqe->un.mb_words[5], | |
5362 | mqe->un.mb_words[6], mqe->un.mb_words[7], | |
5363 | mqe->un.mb_words[8], mqe->un.mb_words[9], | |
5364 | mqe->un.mb_words[10], mqe->un.mb_words[11], | |
5365 | mqe->un.mb_words[12], mqe->un.mb_words[13], | |
5366 | mqe->un.mb_words[14], mqe->un.mb_words[15], | |
5367 | mqe->un.mb_words[16], mqe->un.mb_words[50], | |
5368 | mboxq->mcqe.word0, | |
5369 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
5370 | mboxq->mcqe.trailer); | |
5371 | ||
5372 | if (rc) { | |
5373 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5374 | kfree(mp); | |
ff78d8f9 JS |
5375 | rc = -EIO; |
5376 | goto out_free_mboxq; | |
da0436e9 JS |
5377 | } |
5378 | data_length = mqe->un.mb_words[5]; | |
a0c87cbd | 5379 | if (data_length > DMP_RGN23_SIZE) { |
d11e31dd JS |
5380 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5381 | kfree(mp); | |
ff78d8f9 JS |
5382 | rc = -EIO; |
5383 | goto out_free_mboxq; | |
d11e31dd | 5384 | } |
dea3101e | 5385 | |
da0436e9 JS |
5386 | lpfc_parse_fcoe_conf(phba, mp->virt, data_length); |
5387 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5388 | kfree(mp); | |
ff78d8f9 JS |
5389 | rc = 0; |
5390 | ||
5391 | out_free_mboxq: | |
5392 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5393 | return rc; | |
da0436e9 | 5394 | } |
e59058c4 JS |
5395 | |
5396 | /** | |
da0436e9 JS |
5397 | * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data |
5398 | * @phba: pointer to lpfc hba data structure. | |
5399 | * @mboxq: pointer to the LPFC_MBOXQ_t structure. | |
5400 | * @vpd: pointer to the memory to hold resulting port vpd data. | |
5401 | * @vpd_size: On input, the number of bytes allocated to @vpd. | |
5402 | * On output, the number of data bytes in @vpd. | |
e59058c4 | 5403 | * |
da0436e9 JS |
5404 | * This routine executes a READ_REV SLI4 mailbox command. In |
5405 | * addition, this routine gets the port vpd data. | |
5406 | * | |
5407 | * Return codes | |
af901ca1 | 5408 | * 0 - successful |
d439d286 | 5409 | * -ENOMEM - could not allocated memory. |
e59058c4 | 5410 | **/ |
da0436e9 JS |
5411 | static int |
5412 | lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
5413 | uint8_t *vpd, uint32_t *vpd_size) | |
dea3101e | 5414 | { |
da0436e9 JS |
5415 | int rc = 0; |
5416 | uint32_t dma_size; | |
5417 | struct lpfc_dmabuf *dmabuf; | |
5418 | struct lpfc_mqe *mqe; | |
dea3101e | 5419 | |
da0436e9 JS |
5420 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
5421 | if (!dmabuf) | |
5422 | return -ENOMEM; | |
5423 | ||
5424 | /* | |
5425 | * Get a DMA buffer for the vpd data resulting from the READ_REV | |
5426 | * mailbox command. | |
a257bf90 | 5427 | */ |
da0436e9 | 5428 | dma_size = *vpd_size; |
750afb08 LC |
5429 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, dma_size, |
5430 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
5431 | if (!dmabuf->virt) { |
5432 | kfree(dmabuf); | |
5433 | return -ENOMEM; | |
a257bf90 JS |
5434 | } |
5435 | ||
da0436e9 JS |
5436 | /* |
5437 | * The SLI4 implementation of READ_REV conflicts at word1, | |
5438 | * bits 31:16 and SLI4 adds vpd functionality not present | |
5439 | * in SLI3. This code corrects the conflicts. | |
1dcb58e5 | 5440 | */ |
da0436e9 JS |
5441 | lpfc_read_rev(phba, mboxq); |
5442 | mqe = &mboxq->u.mqe; | |
5443 | mqe->un.read_rev.vpd_paddr_high = putPaddrHigh(dmabuf->phys); | |
5444 | mqe->un.read_rev.vpd_paddr_low = putPaddrLow(dmabuf->phys); | |
5445 | mqe->un.read_rev.word1 &= 0x0000FFFF; | |
5446 | bf_set(lpfc_mbx_rd_rev_vpd, &mqe->un.read_rev, 1); | |
5447 | bf_set(lpfc_mbx_rd_rev_avail_len, &mqe->un.read_rev, dma_size); | |
5448 | ||
5449 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5450 | if (rc) { | |
5451 | dma_free_coherent(&phba->pcidev->dev, dma_size, | |
5452 | dmabuf->virt, dmabuf->phys); | |
def9c7a9 | 5453 | kfree(dmabuf); |
da0436e9 JS |
5454 | return -EIO; |
5455 | } | |
1dcb58e5 | 5456 | |
da0436e9 JS |
5457 | /* |
5458 | * The available vpd length cannot be bigger than the | |
5459 | * DMA buffer passed to the port. Catch the less than | |
5460 | * case and update the caller's size. | |
5461 | */ | |
5462 | if (mqe->un.read_rev.avail_vpd_len < *vpd_size) | |
5463 | *vpd_size = mqe->un.read_rev.avail_vpd_len; | |
3772a991 | 5464 | |
d7c47992 JS |
5465 | memcpy(vpd, dmabuf->virt, *vpd_size); |
5466 | ||
da0436e9 JS |
5467 | dma_free_coherent(&phba->pcidev->dev, dma_size, |
5468 | dmabuf->virt, dmabuf->phys); | |
5469 | kfree(dmabuf); | |
5470 | return 0; | |
dea3101e JB |
5471 | } |
5472 | ||
cd1c8301 | 5473 | /** |
b3b4f3e1 | 5474 | * lpfc_sli4_get_ctl_attr - Retrieve SLI4 device controller attributes |
cd1c8301 JS |
5475 | * @phba: pointer to lpfc hba data structure. |
5476 | * | |
5477 | * This routine retrieves SLI4 device physical port name this PCI function | |
5478 | * is attached to. | |
5479 | * | |
5480 | * Return codes | |
4907cb7b | 5481 | * 0 - successful |
b3b4f3e1 | 5482 | * otherwise - failed to retrieve controller attributes |
cd1c8301 JS |
5483 | **/ |
5484 | static int | |
b3b4f3e1 | 5485 | lpfc_sli4_get_ctl_attr(struct lpfc_hba *phba) |
cd1c8301 JS |
5486 | { |
5487 | LPFC_MBOXQ_t *mboxq; | |
cd1c8301 JS |
5488 | struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr; |
5489 | struct lpfc_controller_attribute *cntl_attr; | |
cd1c8301 JS |
5490 | void *virtaddr = NULL; |
5491 | uint32_t alloclen, reqlen; | |
5492 | uint32_t shdr_status, shdr_add_status; | |
5493 | union lpfc_sli4_cfg_shdr *shdr; | |
cd1c8301 JS |
5494 | int rc; |
5495 | ||
cd1c8301 JS |
5496 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5497 | if (!mboxq) | |
5498 | return -ENOMEM; | |
cd1c8301 | 5499 | |
b3b4f3e1 | 5500 | /* Send COMMON_GET_CNTL_ATTRIBUTES mbox cmd */ |
cd1c8301 JS |
5501 | reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes); |
5502 | alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5503 | LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen, | |
5504 | LPFC_SLI4_MBX_NEMBED); | |
b3b4f3e1 | 5505 | |
cd1c8301 | 5506 | if (alloclen < reqlen) { |
372c187b | 5507 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
cd1c8301 JS |
5508 | "3084 Allocated DMA memory size (%d) is " |
5509 | "less than the requested DMA memory size " | |
5510 | "(%d)\n", alloclen, reqlen); | |
5511 | rc = -ENOMEM; | |
5512 | goto out_free_mboxq; | |
5513 | } | |
5514 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5515 | virtaddr = mboxq->sge_array->addr[0]; | |
5516 | mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr; | |
5517 | shdr = &mbx_cntl_attr->cfg_shdr; | |
5518 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5519 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5520 | if (shdr_status || shdr_add_status || rc) { | |
5521 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5522 | "3085 Mailbox x%x (x%x/x%x) failed, " | |
5523 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5524 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5525 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5526 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5527 | rc, shdr_status, shdr_add_status); | |
5528 | rc = -ENXIO; | |
5529 | goto out_free_mboxq; | |
5530 | } | |
b3b4f3e1 | 5531 | |
cd1c8301 JS |
5532 | cntl_attr = &mbx_cntl_attr->cntl_attr; |
5533 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
5534 | phba->sli4_hba.lnk_info.lnk_tp = | |
5535 | bf_get(lpfc_cntl_attr_lnk_type, cntl_attr); | |
5536 | phba->sli4_hba.lnk_info.lnk_no = | |
5537 | bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr); | |
b3b4f3e1 JS |
5538 | |
5539 | memset(phba->BIOSVersion, 0, sizeof(phba->BIOSVersion)); | |
5540 | strlcat(phba->BIOSVersion, (char *)cntl_attr->bios_ver_str, | |
5541 | sizeof(phba->BIOSVersion)); | |
5542 | ||
cd1c8301 | 5543 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
b3b4f3e1 | 5544 | "3086 lnk_type:%d, lnk_numb:%d, bios_ver:%s\n", |
cd1c8301 | 5545 | phba->sli4_hba.lnk_info.lnk_tp, |
b3b4f3e1 JS |
5546 | phba->sli4_hba.lnk_info.lnk_no, |
5547 | phba->BIOSVersion); | |
5548 | out_free_mboxq: | |
5549 | if (rc != MBX_TIMEOUT) { | |
5550 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
5551 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
5552 | else | |
5553 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5554 | } | |
5555 | return rc; | |
5556 | } | |
5557 | ||
5558 | /** | |
5559 | * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name | |
5560 | * @phba: pointer to lpfc hba data structure. | |
5561 | * | |
5562 | * This routine retrieves SLI4 device physical port name this PCI function | |
5563 | * is attached to. | |
5564 | * | |
5565 | * Return codes | |
5566 | * 0 - successful | |
5567 | * otherwise - failed to retrieve physical port name | |
5568 | **/ | |
5569 | static int | |
5570 | lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba) | |
5571 | { | |
5572 | LPFC_MBOXQ_t *mboxq; | |
5573 | struct lpfc_mbx_get_port_name *get_port_name; | |
5574 | uint32_t shdr_status, shdr_add_status; | |
5575 | union lpfc_sli4_cfg_shdr *shdr; | |
5576 | char cport_name = 0; | |
5577 | int rc; | |
5578 | ||
5579 | /* We assume nothing at this point */ | |
5580 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
5581 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON; | |
5582 | ||
5583 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5584 | if (!mboxq) | |
5585 | return -ENOMEM; | |
5586 | /* obtain link type and link number via READ_CONFIG */ | |
5587 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
5588 | lpfc_sli4_read_config(phba); | |
5589 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) | |
5590 | goto retrieve_ppname; | |
5591 | ||
5592 | /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */ | |
5593 | rc = lpfc_sli4_get_ctl_attr(phba); | |
5594 | if (rc) | |
5595 | goto out_free_mboxq; | |
cd1c8301 JS |
5596 | |
5597 | retrieve_ppname: | |
5598 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5599 | LPFC_MBOX_OPCODE_GET_PORT_NAME, | |
5600 | sizeof(struct lpfc_mbx_get_port_name) - | |
5601 | sizeof(struct lpfc_sli4_cfg_mhdr), | |
5602 | LPFC_SLI4_MBX_EMBED); | |
5603 | get_port_name = &mboxq->u.mqe.un.get_port_name; | |
5604 | shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr; | |
5605 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1); | |
5606 | bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request, | |
5607 | phba->sli4_hba.lnk_info.lnk_tp); | |
5608 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5609 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5610 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5611 | if (shdr_status || shdr_add_status || rc) { | |
5612 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5613 | "3087 Mailbox x%x (x%x/x%x) failed: " | |
5614 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5615 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5616 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5617 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5618 | rc, shdr_status, shdr_add_status); | |
5619 | rc = -ENXIO; | |
5620 | goto out_free_mboxq; | |
5621 | } | |
5622 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
5623 | case LPFC_LINK_NUMBER_0: | |
5624 | cport_name = bf_get(lpfc_mbx_get_port_name_name0, | |
5625 | &get_port_name->u.response); | |
5626 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5627 | break; | |
5628 | case LPFC_LINK_NUMBER_1: | |
5629 | cport_name = bf_get(lpfc_mbx_get_port_name_name1, | |
5630 | &get_port_name->u.response); | |
5631 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5632 | break; | |
5633 | case LPFC_LINK_NUMBER_2: | |
5634 | cport_name = bf_get(lpfc_mbx_get_port_name_name2, | |
5635 | &get_port_name->u.response); | |
5636 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5637 | break; | |
5638 | case LPFC_LINK_NUMBER_3: | |
5639 | cport_name = bf_get(lpfc_mbx_get_port_name_name3, | |
5640 | &get_port_name->u.response); | |
5641 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5642 | break; | |
5643 | default: | |
5644 | break; | |
5645 | } | |
5646 | ||
5647 | if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) { | |
5648 | phba->Port[0] = cport_name; | |
5649 | phba->Port[1] = '\0'; | |
5650 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5651 | "3091 SLI get port name: %s\n", phba->Port); | |
5652 | } | |
5653 | ||
5654 | out_free_mboxq: | |
5655 | if (rc != MBX_TIMEOUT) { | |
5656 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
5657 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
5658 | else | |
5659 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5660 | } | |
5661 | return rc; | |
5662 | } | |
5663 | ||
e59058c4 | 5664 | /** |
da0436e9 JS |
5665 | * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues |
5666 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 5667 | * |
da0436e9 JS |
5668 | * This routine is called to explicitly arm the SLI4 device's completion and |
5669 | * event queues | |
5670 | **/ | |
5671 | static void | |
5672 | lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba) | |
5673 | { | |
895427bd | 5674 | int qidx; |
b71413dd | 5675 | struct lpfc_sli4_hba *sli4_hba = &phba->sli4_hba; |
cdb42bec | 5676 | struct lpfc_sli4_hdw_queue *qp; |
657add4e | 5677 | struct lpfc_queue *eq; |
da0436e9 | 5678 | |
32517fc0 JS |
5679 | sli4_hba->sli4_write_cq_db(phba, sli4_hba->mbx_cq, 0, LPFC_QUEUE_REARM); |
5680 | sli4_hba->sli4_write_cq_db(phba, sli4_hba->els_cq, 0, LPFC_QUEUE_REARM); | |
b71413dd | 5681 | if (sli4_hba->nvmels_cq) |
32517fc0 JS |
5682 | sli4_hba->sli4_write_cq_db(phba, sli4_hba->nvmels_cq, 0, |
5683 | LPFC_QUEUE_REARM); | |
1ba981fd | 5684 | |
cdb42bec | 5685 | if (sli4_hba->hdwq) { |
657add4e | 5686 | /* Loop thru all Hardware Queues */ |
cdb42bec | 5687 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { |
657add4e JS |
5688 | qp = &sli4_hba->hdwq[qidx]; |
5689 | /* ARM the corresponding CQ */ | |
01f2ef6d | 5690 | sli4_hba->sli4_write_cq_db(phba, qp->io_cq, 0, |
c00f62e6 | 5691 | LPFC_QUEUE_REARM); |
cdb42bec | 5692 | } |
1ba981fd | 5693 | |
657add4e JS |
5694 | /* Loop thru all IRQ vectors */ |
5695 | for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) { | |
5696 | eq = sli4_hba->hba_eq_hdl[qidx].eq; | |
5697 | /* ARM the corresponding EQ */ | |
5698 | sli4_hba->sli4_write_eq_db(phba, eq, | |
5699 | 0, LPFC_QUEUE_REARM); | |
5700 | } | |
cdb42bec | 5701 | } |
1ba981fd | 5702 | |
2d7dbc4c JS |
5703 | if (phba->nvmet_support) { |
5704 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) { | |
32517fc0 JS |
5705 | sli4_hba->sli4_write_cq_db(phba, |
5706 | sli4_hba->nvmet_cqset[qidx], 0, | |
2d7dbc4c JS |
5707 | LPFC_QUEUE_REARM); |
5708 | } | |
2e90f4b5 | 5709 | } |
da0436e9 JS |
5710 | } |
5711 | ||
6d368e53 JS |
5712 | /** |
5713 | * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count. | |
5714 | * @phba: Pointer to HBA context object. | |
5715 | * @type: The resource extent type. | |
b76f2dc9 JS |
5716 | * @extnt_count: buffer to hold port available extent count. |
5717 | * @extnt_size: buffer to hold element count per extent. | |
6d368e53 | 5718 | * |
b76f2dc9 JS |
5719 | * This function calls the port and retrievs the number of available |
5720 | * extents and their size for a particular extent type. | |
5721 | * | |
5722 | * Returns: 0 if successful. Nonzero otherwise. | |
6d368e53 | 5723 | **/ |
b76f2dc9 | 5724 | int |
6d368e53 JS |
5725 | lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type, |
5726 | uint16_t *extnt_count, uint16_t *extnt_size) | |
5727 | { | |
5728 | int rc = 0; | |
5729 | uint32_t length; | |
5730 | uint32_t mbox_tmo; | |
5731 | struct lpfc_mbx_get_rsrc_extent_info *rsrc_info; | |
5732 | LPFC_MBOXQ_t *mbox; | |
5733 | ||
5734 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5735 | if (!mbox) | |
5736 | return -ENOMEM; | |
5737 | ||
5738 | /* Find out how many extents are available for this resource type */ | |
5739 | length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) - | |
5740 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5741 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5742 | LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO, | |
5743 | length, LPFC_SLI4_MBX_EMBED); | |
5744 | ||
5745 | /* Send an extents count of 0 - the GET doesn't use it. */ | |
5746 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5747 | LPFC_SLI4_MBX_EMBED); | |
5748 | if (unlikely(rc)) { | |
5749 | rc = -EIO; | |
5750 | goto err_exit; | |
5751 | } | |
5752 | ||
5753 | if (!phba->sli4_hba.intr_enable) | |
5754 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5755 | else { | |
a183a15f | 5756 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5757 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5758 | } | |
5759 | if (unlikely(rc)) { | |
5760 | rc = -EIO; | |
5761 | goto err_exit; | |
5762 | } | |
5763 | ||
5764 | rsrc_info = &mbox->u.mqe.un.rsrc_extent_info; | |
5765 | if (bf_get(lpfc_mbox_hdr_status, | |
5766 | &rsrc_info->header.cfg_shdr.response)) { | |
372c187b | 5767 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6d368e53 JS |
5768 | "2930 Failed to get resource extents " |
5769 | "Status 0x%x Add'l Status 0x%x\n", | |
5770 | bf_get(lpfc_mbox_hdr_status, | |
5771 | &rsrc_info->header.cfg_shdr.response), | |
5772 | bf_get(lpfc_mbox_hdr_add_status, | |
5773 | &rsrc_info->header.cfg_shdr.response)); | |
5774 | rc = -EIO; | |
5775 | goto err_exit; | |
5776 | } | |
5777 | ||
5778 | *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt, | |
5779 | &rsrc_info->u.rsp); | |
5780 | *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size, | |
5781 | &rsrc_info->u.rsp); | |
8a9d2e80 JS |
5782 | |
5783 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5784 | "3162 Retrieved extents type-%d from port: count:%d, " | |
5785 | "size:%d\n", type, *extnt_count, *extnt_size); | |
5786 | ||
5787 | err_exit: | |
6d368e53 JS |
5788 | mempool_free(mbox, phba->mbox_mem_pool); |
5789 | return rc; | |
5790 | } | |
5791 | ||
5792 | /** | |
5793 | * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents. | |
5794 | * @phba: Pointer to HBA context object. | |
5795 | * @type: The extent type to check. | |
5796 | * | |
5797 | * This function reads the current available extents from the port and checks | |
5798 | * if the extent count or extent size has changed since the last access. | |
5799 | * Callers use this routine post port reset to understand if there is a | |
5800 | * extent reprovisioning requirement. | |
5801 | * | |
5802 | * Returns: | |
5803 | * -Error: error indicates problem. | |
5804 | * 1: Extent count or size has changed. | |
5805 | * 0: No changes. | |
5806 | **/ | |
5807 | static int | |
5808 | lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type) | |
5809 | { | |
5810 | uint16_t curr_ext_cnt, rsrc_ext_cnt; | |
5811 | uint16_t size_diff, rsrc_ext_size; | |
5812 | int rc = 0; | |
5813 | struct lpfc_rsrc_blks *rsrc_entry; | |
5814 | struct list_head *rsrc_blk_list = NULL; | |
5815 | ||
5816 | size_diff = 0; | |
5817 | curr_ext_cnt = 0; | |
5818 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5819 | &rsrc_ext_cnt, | |
5820 | &rsrc_ext_size); | |
5821 | if (unlikely(rc)) | |
5822 | return -EIO; | |
5823 | ||
5824 | switch (type) { | |
5825 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5826 | rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5827 | break; | |
5828 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5829 | rsrc_blk_list = &phba->lpfc_vpi_blk_list; | |
5830 | break; | |
5831 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5832 | rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5833 | break; | |
5834 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5835 | rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5836 | break; | |
5837 | default: | |
5838 | break; | |
5839 | } | |
5840 | ||
5841 | list_for_each_entry(rsrc_entry, rsrc_blk_list, list) { | |
5842 | curr_ext_cnt++; | |
5843 | if (rsrc_entry->rsrc_size != rsrc_ext_size) | |
5844 | size_diff++; | |
5845 | } | |
5846 | ||
5847 | if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0) | |
5848 | rc = 1; | |
5849 | ||
5850 | return rc; | |
5851 | } | |
5852 | ||
5853 | /** | |
5854 | * lpfc_sli4_cfg_post_extnts - | |
5855 | * @phba: Pointer to HBA context object. | |
7af29d45 LJ |
5856 | * @extnt_cnt: number of available extents. |
5857 | * @type: the extent type (rpi, xri, vfi, vpi). | |
5858 | * @emb: buffer to hold either MBX_EMBED or MBX_NEMBED operation. | |
5859 | * @mbox: pointer to the caller's allocated mailbox structure. | |
6d368e53 JS |
5860 | * |
5861 | * This function executes the extents allocation request. It also | |
5862 | * takes care of the amount of memory needed to allocate or get the | |
5863 | * allocated extents. It is the caller's responsibility to evaluate | |
5864 | * the response. | |
5865 | * | |
5866 | * Returns: | |
5867 | * -Error: Error value describes the condition found. | |
5868 | * 0: if successful | |
5869 | **/ | |
5870 | static int | |
8a9d2e80 | 5871 | lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t extnt_cnt, |
6d368e53 JS |
5872 | uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox) |
5873 | { | |
5874 | int rc = 0; | |
5875 | uint32_t req_len; | |
5876 | uint32_t emb_len; | |
5877 | uint32_t alloc_len, mbox_tmo; | |
5878 | ||
5879 | /* Calculate the total requested length of the dma memory */ | |
8a9d2e80 | 5880 | req_len = extnt_cnt * sizeof(uint16_t); |
6d368e53 JS |
5881 | |
5882 | /* | |
5883 | * Calculate the size of an embedded mailbox. The uint32_t | |
5884 | * accounts for extents-specific word. | |
5885 | */ | |
5886 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
5887 | sizeof(uint32_t); | |
5888 | ||
5889 | /* | |
5890 | * Presume the allocation and response will fit into an embedded | |
5891 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
5892 | */ | |
5893 | *emb = LPFC_SLI4_MBX_EMBED; | |
5894 | if (req_len > emb_len) { | |
8a9d2e80 | 5895 | req_len = extnt_cnt * sizeof(uint16_t) + |
6d368e53 JS |
5896 | sizeof(union lpfc_sli4_cfg_shdr) + |
5897 | sizeof(uint32_t); | |
5898 | *emb = LPFC_SLI4_MBX_NEMBED; | |
5899 | } | |
5900 | ||
5901 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5902 | LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT, | |
5903 | req_len, *emb); | |
5904 | if (alloc_len < req_len) { | |
372c187b | 5905 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
b76f2dc9 | 5906 | "2982 Allocated DMA memory size (x%x) is " |
6d368e53 JS |
5907 | "less than the requested DMA memory " |
5908 | "size (x%x)\n", alloc_len, req_len); | |
5909 | return -ENOMEM; | |
5910 | } | |
8a9d2e80 | 5911 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, extnt_cnt, type, *emb); |
6d368e53 JS |
5912 | if (unlikely(rc)) |
5913 | return -EIO; | |
5914 | ||
5915 | if (!phba->sli4_hba.intr_enable) | |
5916 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5917 | else { | |
a183a15f | 5918 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5919 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5920 | } | |
5921 | ||
5922 | if (unlikely(rc)) | |
5923 | rc = -EIO; | |
5924 | return rc; | |
5925 | } | |
5926 | ||
5927 | /** | |
5928 | * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent. | |
5929 | * @phba: Pointer to HBA context object. | |
5930 | * @type: The resource extent type to allocate. | |
5931 | * | |
5932 | * This function allocates the number of elements for the specified | |
5933 | * resource type. | |
5934 | **/ | |
5935 | static int | |
5936 | lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5937 | { | |
5938 | bool emb = false; | |
5939 | uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size; | |
5940 | uint16_t rsrc_id, rsrc_start, j, k; | |
5941 | uint16_t *ids; | |
5942 | int i, rc; | |
5943 | unsigned long longs; | |
5944 | unsigned long *bmask; | |
5945 | struct lpfc_rsrc_blks *rsrc_blks; | |
5946 | LPFC_MBOXQ_t *mbox; | |
5947 | uint32_t length; | |
5948 | struct lpfc_id_range *id_array = NULL; | |
5949 | void *virtaddr = NULL; | |
5950 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
5951 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
5952 | struct list_head *ext_blk_list; | |
5953 | ||
5954 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5955 | &rsrc_cnt, | |
5956 | &rsrc_size); | |
5957 | if (unlikely(rc)) | |
5958 | return -EIO; | |
5959 | ||
5960 | if ((rsrc_cnt == 0) || (rsrc_size == 0)) { | |
372c187b | 5961 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6d368e53 JS |
5962 | "3009 No available Resource Extents " |
5963 | "for resource type 0x%x: Count: 0x%x, " | |
5964 | "Size 0x%x\n", type, rsrc_cnt, | |
5965 | rsrc_size); | |
5966 | return -ENOMEM; | |
5967 | } | |
5968 | ||
8a9d2e80 JS |
5969 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT | LOG_SLI, |
5970 | "2903 Post resource extents type-0x%x: " | |
5971 | "count:%d, size %d\n", type, rsrc_cnt, rsrc_size); | |
6d368e53 JS |
5972 | |
5973 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5974 | if (!mbox) | |
5975 | return -ENOMEM; | |
5976 | ||
8a9d2e80 | 5977 | rc = lpfc_sli4_cfg_post_extnts(phba, rsrc_cnt, type, &emb, mbox); |
6d368e53 JS |
5978 | if (unlikely(rc)) { |
5979 | rc = -EIO; | |
5980 | goto err_exit; | |
5981 | } | |
5982 | ||
5983 | /* | |
5984 | * Figure out where the response is located. Then get local pointers | |
5985 | * to the response data. The port does not guarantee to respond to | |
5986 | * all extents counts request so update the local variable with the | |
5987 | * allocated count from the port. | |
5988 | */ | |
5989 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
5990 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
5991 | id_array = &rsrc_ext->u.rsp.id[0]; | |
5992 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
5993 | } else { | |
5994 | virtaddr = mbox->sge_array->addr[0]; | |
5995 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
5996 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
5997 | id_array = &n_rsrc->id; | |
5998 | } | |
5999 | ||
6000 | longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6001 | rsrc_id_cnt = rsrc_cnt * rsrc_size; | |
6002 | ||
6003 | /* | |
6004 | * Based on the resource size and count, correct the base and max | |
6005 | * resource values. | |
6006 | */ | |
6007 | length = sizeof(struct lpfc_rsrc_blks); | |
6008 | switch (type) { | |
6009 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6396bb22 | 6010 | phba->sli4_hba.rpi_bmask = kcalloc(longs, |
6d368e53 JS |
6011 | sizeof(unsigned long), |
6012 | GFP_KERNEL); | |
6013 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
6014 | rc = -ENOMEM; | |
6015 | goto err_exit; | |
6016 | } | |
6396bb22 | 6017 | phba->sli4_hba.rpi_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
6018 | sizeof(uint16_t), |
6019 | GFP_KERNEL); | |
6020 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
6021 | kfree(phba->sli4_hba.rpi_bmask); | |
6022 | rc = -ENOMEM; | |
6023 | goto err_exit; | |
6024 | } | |
6025 | ||
6026 | /* | |
6027 | * The next_rpi was initialized with the maximum available | |
6028 | * count but the port may allocate a smaller number. Catch | |
6029 | * that case and update the next_rpi. | |
6030 | */ | |
6031 | phba->sli4_hba.next_rpi = rsrc_id_cnt; | |
6032 | ||
6033 | /* Initialize local ptrs for common extent processing later. */ | |
6034 | bmask = phba->sli4_hba.rpi_bmask; | |
6035 | ids = phba->sli4_hba.rpi_ids; | |
6036 | ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
6037 | break; | |
6038 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6396bb22 | 6039 | phba->vpi_bmask = kcalloc(longs, sizeof(unsigned long), |
6d368e53 JS |
6040 | GFP_KERNEL); |
6041 | if (unlikely(!phba->vpi_bmask)) { | |
6042 | rc = -ENOMEM; | |
6043 | goto err_exit; | |
6044 | } | |
6396bb22 | 6045 | phba->vpi_ids = kcalloc(rsrc_id_cnt, sizeof(uint16_t), |
6d368e53 JS |
6046 | GFP_KERNEL); |
6047 | if (unlikely(!phba->vpi_ids)) { | |
6048 | kfree(phba->vpi_bmask); | |
6049 | rc = -ENOMEM; | |
6050 | goto err_exit; | |
6051 | } | |
6052 | ||
6053 | /* Initialize local ptrs for common extent processing later. */ | |
6054 | bmask = phba->vpi_bmask; | |
6055 | ids = phba->vpi_ids; | |
6056 | ext_blk_list = &phba->lpfc_vpi_blk_list; | |
6057 | break; | |
6058 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6396bb22 | 6059 | phba->sli4_hba.xri_bmask = kcalloc(longs, |
6d368e53 JS |
6060 | sizeof(unsigned long), |
6061 | GFP_KERNEL); | |
6062 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
6063 | rc = -ENOMEM; | |
6064 | goto err_exit; | |
6065 | } | |
8a9d2e80 | 6066 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6396bb22 | 6067 | phba->sli4_hba.xri_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
6068 | sizeof(uint16_t), |
6069 | GFP_KERNEL); | |
6070 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
6071 | kfree(phba->sli4_hba.xri_bmask); | |
6072 | rc = -ENOMEM; | |
6073 | goto err_exit; | |
6074 | } | |
6075 | ||
6076 | /* Initialize local ptrs for common extent processing later. */ | |
6077 | bmask = phba->sli4_hba.xri_bmask; | |
6078 | ids = phba->sli4_hba.xri_ids; | |
6079 | ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
6080 | break; | |
6081 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6396bb22 | 6082 | phba->sli4_hba.vfi_bmask = kcalloc(longs, |
6d368e53 JS |
6083 | sizeof(unsigned long), |
6084 | GFP_KERNEL); | |
6085 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
6086 | rc = -ENOMEM; | |
6087 | goto err_exit; | |
6088 | } | |
6396bb22 | 6089 | phba->sli4_hba.vfi_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
6090 | sizeof(uint16_t), |
6091 | GFP_KERNEL); | |
6092 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
6093 | kfree(phba->sli4_hba.vfi_bmask); | |
6094 | rc = -ENOMEM; | |
6095 | goto err_exit; | |
6096 | } | |
6097 | ||
6098 | /* Initialize local ptrs for common extent processing later. */ | |
6099 | bmask = phba->sli4_hba.vfi_bmask; | |
6100 | ids = phba->sli4_hba.vfi_ids; | |
6101 | ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
6102 | break; | |
6103 | default: | |
6104 | /* Unsupported Opcode. Fail call. */ | |
6105 | id_array = NULL; | |
6106 | bmask = NULL; | |
6107 | ids = NULL; | |
6108 | ext_blk_list = NULL; | |
6109 | goto err_exit; | |
6110 | } | |
6111 | ||
6112 | /* | |
6113 | * Complete initializing the extent configuration with the | |
6114 | * allocated ids assigned to this function. The bitmask serves | |
6115 | * as an index into the array and manages the available ids. The | |
6116 | * array just stores the ids communicated to the port via the wqes. | |
6117 | */ | |
6118 | for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) { | |
6119 | if ((i % 2) == 0) | |
6120 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0, | |
6121 | &id_array[k]); | |
6122 | else | |
6123 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1, | |
6124 | &id_array[k]); | |
6125 | ||
6126 | rsrc_blks = kzalloc(length, GFP_KERNEL); | |
6127 | if (unlikely(!rsrc_blks)) { | |
6128 | rc = -ENOMEM; | |
6129 | kfree(bmask); | |
6130 | kfree(ids); | |
6131 | goto err_exit; | |
6132 | } | |
6133 | rsrc_blks->rsrc_start = rsrc_id; | |
6134 | rsrc_blks->rsrc_size = rsrc_size; | |
6135 | list_add_tail(&rsrc_blks->list, ext_blk_list); | |
6136 | rsrc_start = rsrc_id; | |
895427bd | 6137 | if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) { |
5e5b511d | 6138 | phba->sli4_hba.io_xri_start = rsrc_start + |
895427bd | 6139 | lpfc_sli4_get_iocb_cnt(phba); |
895427bd | 6140 | } |
6d368e53 JS |
6141 | |
6142 | while (rsrc_id < (rsrc_start + rsrc_size)) { | |
6143 | ids[j] = rsrc_id; | |
6144 | rsrc_id++; | |
6145 | j++; | |
6146 | } | |
6147 | /* Entire word processed. Get next word.*/ | |
6148 | if ((i % 2) == 1) | |
6149 | k++; | |
6150 | } | |
6151 | err_exit: | |
6152 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
6153 | return rc; | |
6154 | } | |
6155 | ||
895427bd JS |
6156 | |
6157 | ||
6d368e53 JS |
6158 | /** |
6159 | * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent. | |
6160 | * @phba: Pointer to HBA context object. | |
6161 | * @type: the extent's type. | |
6162 | * | |
6163 | * This function deallocates all extents of a particular resource type. | |
6164 | * SLI4 does not allow for deallocating a particular extent range. It | |
6165 | * is the caller's responsibility to release all kernel memory resources. | |
6166 | **/ | |
6167 | static int | |
6168 | lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type) | |
6169 | { | |
6170 | int rc; | |
6171 | uint32_t length, mbox_tmo = 0; | |
6172 | LPFC_MBOXQ_t *mbox; | |
6173 | struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc; | |
6174 | struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next; | |
6175 | ||
6176 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6177 | if (!mbox) | |
6178 | return -ENOMEM; | |
6179 | ||
6180 | /* | |
6181 | * This function sends an embedded mailbox because it only sends the | |
6182 | * the resource type. All extents of this type are released by the | |
6183 | * port. | |
6184 | */ | |
6185 | length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) - | |
6186 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6187 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6188 | LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT, | |
6189 | length, LPFC_SLI4_MBX_EMBED); | |
6190 | ||
6191 | /* Send an extents count of 0 - the dealloc doesn't use it. */ | |
6192 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
6193 | LPFC_SLI4_MBX_EMBED); | |
6194 | if (unlikely(rc)) { | |
6195 | rc = -EIO; | |
6196 | goto out_free_mbox; | |
6197 | } | |
6198 | if (!phba->sli4_hba.intr_enable) | |
6199 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6200 | else { | |
a183a15f | 6201 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
6202 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6203 | } | |
6204 | if (unlikely(rc)) { | |
6205 | rc = -EIO; | |
6206 | goto out_free_mbox; | |
6207 | } | |
6208 | ||
6209 | dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents; | |
6210 | if (bf_get(lpfc_mbox_hdr_status, | |
6211 | &dealloc_rsrc->header.cfg_shdr.response)) { | |
372c187b | 6212 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6d368e53 JS |
6213 | "2919 Failed to release resource extents " |
6214 | "for type %d - Status 0x%x Add'l Status 0x%x. " | |
6215 | "Resource memory not released.\n", | |
6216 | type, | |
6217 | bf_get(lpfc_mbox_hdr_status, | |
6218 | &dealloc_rsrc->header.cfg_shdr.response), | |
6219 | bf_get(lpfc_mbox_hdr_add_status, | |
6220 | &dealloc_rsrc->header.cfg_shdr.response)); | |
6221 | rc = -EIO; | |
6222 | goto out_free_mbox; | |
6223 | } | |
6224 | ||
6225 | /* Release kernel memory resources for the specific type. */ | |
6226 | switch (type) { | |
6227 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6228 | kfree(phba->vpi_bmask); | |
6229 | kfree(phba->vpi_ids); | |
6230 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6231 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6232 | &phba->lpfc_vpi_blk_list, list) { | |
6233 | list_del_init(&rsrc_blk->list); | |
6234 | kfree(rsrc_blk); | |
6235 | } | |
16a3a208 | 6236 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6237 | break; |
6238 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6239 | kfree(phba->sli4_hba.xri_bmask); | |
6240 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6241 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, |
6242 | &phba->sli4_hba.lpfc_xri_blk_list, list) { | |
6243 | list_del_init(&rsrc_blk->list); | |
6244 | kfree(rsrc_blk); | |
6245 | } | |
6246 | break; | |
6247 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6248 | kfree(phba->sli4_hba.vfi_bmask); | |
6249 | kfree(phba->sli4_hba.vfi_ids); | |
6250 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6251 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6252 | &phba->sli4_hba.lpfc_vfi_blk_list, list) { | |
6253 | list_del_init(&rsrc_blk->list); | |
6254 | kfree(rsrc_blk); | |
6255 | } | |
6256 | break; | |
6257 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6258 | /* RPI bitmask and physical id array are cleaned up earlier. */ | |
6259 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6260 | &phba->sli4_hba.lpfc_rpi_blk_list, list) { | |
6261 | list_del_init(&rsrc_blk->list); | |
6262 | kfree(rsrc_blk); | |
6263 | } | |
6264 | break; | |
6265 | default: | |
6266 | break; | |
6267 | } | |
6268 | ||
6269 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6270 | ||
6271 | out_free_mbox: | |
6272 | mempool_free(mbox, phba->mbox_mem_pool); | |
6273 | return rc; | |
6274 | } | |
6275 | ||
bd4b3e5c | 6276 | static void |
7bdedb34 JS |
6277 | lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, |
6278 | uint32_t feature) | |
65791f1f | 6279 | { |
65791f1f | 6280 | uint32_t len; |
65791f1f | 6281 | |
65791f1f JS |
6282 | len = sizeof(struct lpfc_mbx_set_feature) - |
6283 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
6284 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6285 | LPFC_MBOX_OPCODE_SET_FEATURES, len, | |
6286 | LPFC_SLI4_MBX_EMBED); | |
7bdedb34 JS |
6287 | |
6288 | switch (feature) { | |
6289 | case LPFC_SET_UE_RECOVERY: | |
6290 | bf_set(lpfc_mbx_set_feature_UER, | |
6291 | &mbox->u.mqe.un.set_feature, 1); | |
6292 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_UE_RECOVERY; | |
6293 | mbox->u.mqe.un.set_feature.param_len = 8; | |
6294 | break; | |
6295 | case LPFC_SET_MDS_DIAGS: | |
6296 | bf_set(lpfc_mbx_set_feature_mds, | |
6297 | &mbox->u.mqe.un.set_feature, 1); | |
6298 | bf_set(lpfc_mbx_set_feature_mds_deep_loopbk, | |
ae9e28f3 | 6299 | &mbox->u.mqe.un.set_feature, 1); |
7bdedb34 JS |
6300 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_MDS_DIAGS; |
6301 | mbox->u.mqe.un.set_feature.param_len = 8; | |
6302 | break; | |
171f6c41 JS |
6303 | case LPFC_SET_DUAL_DUMP: |
6304 | bf_set(lpfc_mbx_set_feature_dd, | |
6305 | &mbox->u.mqe.un.set_feature, LPFC_ENABLE_DUAL_DUMP); | |
6306 | bf_set(lpfc_mbx_set_feature_ddquery, | |
6307 | &mbox->u.mqe.un.set_feature, 0); | |
6308 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_DUAL_DUMP; | |
6309 | mbox->u.mqe.un.set_feature.param_len = 4; | |
6310 | break; | |
65791f1f | 6311 | } |
7bdedb34 JS |
6312 | |
6313 | return; | |
65791f1f JS |
6314 | } |
6315 | ||
1165a5c2 JS |
6316 | /** |
6317 | * lpfc_ras_stop_fwlog: Disable FW logging by the adapter | |
6318 | * @phba: Pointer to HBA context object. | |
6319 | * | |
6320 | * Disable FW logging into host memory on the adapter. To | |
6321 | * be done before reading logs from the host memory. | |
6322 | **/ | |
6323 | void | |
6324 | lpfc_ras_stop_fwlog(struct lpfc_hba *phba) | |
6325 | { | |
6326 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6327 | ||
95bfc6d8 JS |
6328 | spin_lock_irq(&phba->hbalock); |
6329 | ras_fwlog->state = INACTIVE; | |
6330 | spin_unlock_irq(&phba->hbalock); | |
1165a5c2 JS |
6331 | |
6332 | /* Disable FW logging to host memory */ | |
6333 | writel(LPFC_CTL_PDEV_CTL_DDL_RAS, | |
6334 | phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
95bfc6d8 JS |
6335 | |
6336 | /* Wait 10ms for firmware to stop using DMA buffer */ | |
6337 | usleep_range(10 * 1000, 20 * 1000); | |
1165a5c2 JS |
6338 | } |
6339 | ||
d2cc9bcd JS |
6340 | /** |
6341 | * lpfc_sli4_ras_dma_free - Free memory allocated for FW logging. | |
6342 | * @phba: Pointer to HBA context object. | |
6343 | * | |
6344 | * This function is called to free memory allocated for RAS FW logging | |
6345 | * support in the driver. | |
6346 | **/ | |
6347 | void | |
6348 | lpfc_sli4_ras_dma_free(struct lpfc_hba *phba) | |
6349 | { | |
6350 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6351 | struct lpfc_dmabuf *dmabuf, *next; | |
6352 | ||
6353 | if (!list_empty(&ras_fwlog->fwlog_buff_list)) { | |
6354 | list_for_each_entry_safe(dmabuf, next, | |
6355 | &ras_fwlog->fwlog_buff_list, | |
6356 | list) { | |
6357 | list_del(&dmabuf->list); | |
6358 | dma_free_coherent(&phba->pcidev->dev, | |
6359 | LPFC_RAS_MAX_ENTRY_SIZE, | |
6360 | dmabuf->virt, dmabuf->phys); | |
6361 | kfree(dmabuf); | |
6362 | } | |
6363 | } | |
6364 | ||
6365 | if (ras_fwlog->lwpd.virt) { | |
6366 | dma_free_coherent(&phba->pcidev->dev, | |
6367 | sizeof(uint32_t) * 2, | |
6368 | ras_fwlog->lwpd.virt, | |
6369 | ras_fwlog->lwpd.phys); | |
6370 | ras_fwlog->lwpd.virt = NULL; | |
6371 | } | |
6372 | ||
95bfc6d8 JS |
6373 | spin_lock_irq(&phba->hbalock); |
6374 | ras_fwlog->state = INACTIVE; | |
6375 | spin_unlock_irq(&phba->hbalock); | |
d2cc9bcd JS |
6376 | } |
6377 | ||
6378 | /** | |
6379 | * lpfc_sli4_ras_dma_alloc: Allocate memory for FW support | |
6380 | * @phba: Pointer to HBA context object. | |
6381 | * @fwlog_buff_count: Count of buffers to be created. | |
6382 | * | |
6383 | * This routine DMA memory for Log Write Position Data[LPWD] and buffer | |
6384 | * to update FW log is posted to the adapter. | |
6385 | * Buffer count is calculated based on module param ras_fwlog_buffsize | |
6386 | * Size of each buffer posted to FW is 64K. | |
6387 | **/ | |
6388 | ||
6389 | static int | |
6390 | lpfc_sli4_ras_dma_alloc(struct lpfc_hba *phba, | |
6391 | uint32_t fwlog_buff_count) | |
6392 | { | |
6393 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6394 | struct lpfc_dmabuf *dmabuf; | |
6395 | int rc = 0, i = 0; | |
6396 | ||
6397 | /* Initialize List */ | |
6398 | INIT_LIST_HEAD(&ras_fwlog->fwlog_buff_list); | |
6399 | ||
6400 | /* Allocate memory for the LWPD */ | |
6401 | ras_fwlog->lwpd.virt = dma_alloc_coherent(&phba->pcidev->dev, | |
6402 | sizeof(uint32_t) * 2, | |
6403 | &ras_fwlog->lwpd.phys, | |
6404 | GFP_KERNEL); | |
6405 | if (!ras_fwlog->lwpd.virt) { | |
372c187b | 6406 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
d2cc9bcd JS |
6407 | "6185 LWPD Memory Alloc Failed\n"); |
6408 | ||
6409 | return -ENOMEM; | |
6410 | } | |
6411 | ||
6412 | ras_fwlog->fw_buffcount = fwlog_buff_count; | |
6413 | for (i = 0; i < ras_fwlog->fw_buffcount; i++) { | |
6414 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
6415 | GFP_KERNEL); | |
6416 | if (!dmabuf) { | |
6417 | rc = -ENOMEM; | |
6418 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6419 | "6186 Memory Alloc failed FW logging"); | |
6420 | goto free_mem; | |
6421 | } | |
6422 | ||
750afb08 | 6423 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, |
d2cc9bcd | 6424 | LPFC_RAS_MAX_ENTRY_SIZE, |
750afb08 | 6425 | &dmabuf->phys, GFP_KERNEL); |
d2cc9bcd JS |
6426 | if (!dmabuf->virt) { |
6427 | kfree(dmabuf); | |
6428 | rc = -ENOMEM; | |
6429 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6430 | "6187 DMA Alloc Failed FW logging"); | |
6431 | goto free_mem; | |
6432 | } | |
d2cc9bcd JS |
6433 | dmabuf->buffer_tag = i; |
6434 | list_add_tail(&dmabuf->list, &ras_fwlog->fwlog_buff_list); | |
6435 | } | |
6436 | ||
6437 | free_mem: | |
6438 | if (rc) | |
6439 | lpfc_sli4_ras_dma_free(phba); | |
6440 | ||
6441 | return rc; | |
6442 | } | |
6443 | ||
6444 | /** | |
6445 | * lpfc_sli4_ras_mbox_cmpl: Completion handler for RAS MBX command | |
6446 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 6447 | * @pmb: pointer to the driver internal queue element for mailbox command. |
d2cc9bcd JS |
6448 | * |
6449 | * Completion handler for driver's RAS MBX command to the device. | |
6450 | **/ | |
6451 | static void | |
6452 | lpfc_sli4_ras_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
6453 | { | |
6454 | MAILBOX_t *mb; | |
6455 | union lpfc_sli4_cfg_shdr *shdr; | |
6456 | uint32_t shdr_status, shdr_add_status; | |
6457 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6458 | ||
6459 | mb = &pmb->u.mb; | |
6460 | ||
6461 | shdr = (union lpfc_sli4_cfg_shdr *) | |
6462 | &pmb->u.mqe.un.ras_fwlog.header.cfg_shdr; | |
6463 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6464 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
6465 | ||
6466 | if (mb->mbxStatus != MBX_SUCCESS || shdr_status) { | |
372c187b | 6467 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
d2cc9bcd JS |
6468 | "6188 FW LOG mailbox " |
6469 | "completed with status x%x add_status x%x," | |
6470 | " mbx status x%x\n", | |
6471 | shdr_status, shdr_add_status, mb->mbxStatus); | |
cb34990b JS |
6472 | |
6473 | ras_fwlog->ras_hwsupport = false; | |
d2cc9bcd JS |
6474 | goto disable_ras; |
6475 | } | |
6476 | ||
95bfc6d8 JS |
6477 | spin_lock_irq(&phba->hbalock); |
6478 | ras_fwlog->state = ACTIVE; | |
6479 | spin_unlock_irq(&phba->hbalock); | |
d2cc9bcd JS |
6480 | mempool_free(pmb, phba->mbox_mem_pool); |
6481 | ||
6482 | return; | |
6483 | ||
6484 | disable_ras: | |
6485 | /* Free RAS DMA memory */ | |
6486 | lpfc_sli4_ras_dma_free(phba); | |
6487 | mempool_free(pmb, phba->mbox_mem_pool); | |
6488 | } | |
6489 | ||
6490 | /** | |
6491 | * lpfc_sli4_ras_fwlog_init: Initialize memory and post RAS MBX command | |
6492 | * @phba: pointer to lpfc hba data structure. | |
6493 | * @fwlog_level: Logging verbosity level. | |
6494 | * @fwlog_enable: Enable/Disable logging. | |
6495 | * | |
6496 | * Initialize memory and post mailbox command to enable FW logging in host | |
6497 | * memory. | |
6498 | **/ | |
6499 | int | |
6500 | lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba, | |
6501 | uint32_t fwlog_level, | |
6502 | uint32_t fwlog_enable) | |
6503 | { | |
6504 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6505 | struct lpfc_mbx_set_ras_fwlog *mbx_fwlog = NULL; | |
6506 | struct lpfc_dmabuf *dmabuf; | |
6507 | LPFC_MBOXQ_t *mbox; | |
6508 | uint32_t len = 0, fwlog_buffsize, fwlog_entry_count; | |
6509 | int rc = 0; | |
6510 | ||
95bfc6d8 JS |
6511 | spin_lock_irq(&phba->hbalock); |
6512 | ras_fwlog->state = INACTIVE; | |
6513 | spin_unlock_irq(&phba->hbalock); | |
6514 | ||
d2cc9bcd JS |
6515 | fwlog_buffsize = (LPFC_RAS_MIN_BUFF_POST_SIZE * |
6516 | phba->cfg_ras_fwlog_buffsize); | |
6517 | fwlog_entry_count = (fwlog_buffsize/LPFC_RAS_MAX_ENTRY_SIZE); | |
6518 | ||
6519 | /* | |
6520 | * If re-enabling FW logging support use earlier allocated | |
6521 | * DMA buffers while posting MBX command. | |
6522 | **/ | |
6523 | if (!ras_fwlog->lwpd.virt) { | |
6524 | rc = lpfc_sli4_ras_dma_alloc(phba, fwlog_entry_count); | |
6525 | if (rc) { | |
6526 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
cb34990b | 6527 | "6189 FW Log Memory Allocation Failed"); |
d2cc9bcd JS |
6528 | return rc; |
6529 | } | |
6530 | } | |
6531 | ||
6532 | /* Setup Mailbox command */ | |
6533 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6534 | if (!mbox) { | |
372c187b | 6535 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
d2cc9bcd JS |
6536 | "6190 RAS MBX Alloc Failed"); |
6537 | rc = -ENOMEM; | |
6538 | goto mem_free; | |
6539 | } | |
6540 | ||
6541 | ras_fwlog->fw_loglevel = fwlog_level; | |
6542 | len = (sizeof(struct lpfc_mbx_set_ras_fwlog) - | |
6543 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6544 | ||
6545 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_LOWLEVEL, | |
6546 | LPFC_MBOX_OPCODE_SET_DIAG_LOG_OPTION, | |
6547 | len, LPFC_SLI4_MBX_EMBED); | |
6548 | ||
6549 | mbx_fwlog = (struct lpfc_mbx_set_ras_fwlog *)&mbox->u.mqe.un.ras_fwlog; | |
6550 | bf_set(lpfc_fwlog_enable, &mbx_fwlog->u.request, | |
6551 | fwlog_enable); | |
6552 | bf_set(lpfc_fwlog_loglvl, &mbx_fwlog->u.request, | |
6553 | ras_fwlog->fw_loglevel); | |
6554 | bf_set(lpfc_fwlog_buffcnt, &mbx_fwlog->u.request, | |
6555 | ras_fwlog->fw_buffcount); | |
6556 | bf_set(lpfc_fwlog_buffsz, &mbx_fwlog->u.request, | |
6557 | LPFC_RAS_MAX_ENTRY_SIZE/SLI4_PAGE_SIZE); | |
6558 | ||
6559 | /* Update DMA buffer address */ | |
6560 | list_for_each_entry(dmabuf, &ras_fwlog->fwlog_buff_list, list) { | |
6561 | memset(dmabuf->virt, 0, LPFC_RAS_MAX_ENTRY_SIZE); | |
6562 | ||
6563 | mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_lo = | |
6564 | putPaddrLow(dmabuf->phys); | |
6565 | ||
6566 | mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_hi = | |
6567 | putPaddrHigh(dmabuf->phys); | |
6568 | } | |
6569 | ||
6570 | /* Update LPWD address */ | |
6571 | mbx_fwlog->u.request.lwpd.addr_lo = putPaddrLow(ras_fwlog->lwpd.phys); | |
6572 | mbx_fwlog->u.request.lwpd.addr_hi = putPaddrHigh(ras_fwlog->lwpd.phys); | |
6573 | ||
95bfc6d8 JS |
6574 | spin_lock_irq(&phba->hbalock); |
6575 | ras_fwlog->state = REG_INPROGRESS; | |
6576 | spin_unlock_irq(&phba->hbalock); | |
d2cc9bcd JS |
6577 | mbox->vport = phba->pport; |
6578 | mbox->mbox_cmpl = lpfc_sli4_ras_mbox_cmpl; | |
6579 | ||
6580 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
6581 | ||
6582 | if (rc == MBX_NOT_FINISHED) { | |
372c187b | 6583 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
cb34990b | 6584 | "6191 FW-Log Mailbox failed. " |
d2cc9bcd JS |
6585 | "status %d mbxStatus : x%x", rc, |
6586 | bf_get(lpfc_mqe_status, &mbox->u.mqe)); | |
6587 | mempool_free(mbox, phba->mbox_mem_pool); | |
6588 | rc = -EIO; | |
6589 | goto mem_free; | |
6590 | } else | |
6591 | rc = 0; | |
6592 | mem_free: | |
6593 | if (rc) | |
6594 | lpfc_sli4_ras_dma_free(phba); | |
6595 | ||
6596 | return rc; | |
6597 | } | |
6598 | ||
6599 | /** | |
6600 | * lpfc_sli4_ras_setup - Check if RAS supported on the adapter | |
6601 | * @phba: Pointer to HBA context object. | |
6602 | * | |
6603 | * Check if RAS is supported on the adapter and initialize it. | |
6604 | **/ | |
6605 | void | |
6606 | lpfc_sli4_ras_setup(struct lpfc_hba *phba) | |
6607 | { | |
6608 | /* Check RAS FW Log needs to be enabled or not */ | |
6609 | if (lpfc_check_fwlog_support(phba)) | |
6610 | return; | |
6611 | ||
6612 | lpfc_sli4_ras_fwlog_init(phba, phba->cfg_ras_fwlog_level, | |
6613 | LPFC_RAS_ENABLE_LOGGING); | |
6614 | } | |
6615 | ||
6d368e53 JS |
6616 | /** |
6617 | * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents. | |
6618 | * @phba: Pointer to HBA context object. | |
6619 | * | |
6620 | * This function allocates all SLI4 resource identifiers. | |
6621 | **/ | |
6622 | int | |
6623 | lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) | |
6624 | { | |
6625 | int i, rc, error = 0; | |
6626 | uint16_t count, base; | |
6627 | unsigned long longs; | |
6628 | ||
ff78d8f9 JS |
6629 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6630 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi; | |
6d368e53 JS |
6631 | if (phba->sli4_hba.extents_in_use) { |
6632 | /* | |
6633 | * The port supports resource extents. The XRI, VPI, VFI, RPI | |
6634 | * resource extent count must be read and allocated before | |
6635 | * provisioning the resource id arrays. | |
6636 | */ | |
6637 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
6638 | LPFC_IDX_RSRC_RDY) { | |
6639 | /* | |
6640 | * Extent-based resources are set - the driver could | |
6641 | * be in a port reset. Figure out if any corrective | |
6642 | * actions need to be taken. | |
6643 | */ | |
6644 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6645 | LPFC_RSC_TYPE_FCOE_VFI); | |
6646 | if (rc != 0) | |
6647 | error++; | |
6648 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6649 | LPFC_RSC_TYPE_FCOE_VPI); | |
6650 | if (rc != 0) | |
6651 | error++; | |
6652 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6653 | LPFC_RSC_TYPE_FCOE_XRI); | |
6654 | if (rc != 0) | |
6655 | error++; | |
6656 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6657 | LPFC_RSC_TYPE_FCOE_RPI); | |
6658 | if (rc != 0) | |
6659 | error++; | |
6660 | ||
6661 | /* | |
6662 | * It's possible that the number of resources | |
6663 | * provided to this port instance changed between | |
6664 | * resets. Detect this condition and reallocate | |
6665 | * resources. Otherwise, there is no action. | |
6666 | */ | |
6667 | if (error) { | |
6668 | lpfc_printf_log(phba, KERN_INFO, | |
6669 | LOG_MBOX | LOG_INIT, | |
6670 | "2931 Detected extent resource " | |
6671 | "change. Reallocating all " | |
6672 | "extents.\n"); | |
6673 | rc = lpfc_sli4_dealloc_extent(phba, | |
6674 | LPFC_RSC_TYPE_FCOE_VFI); | |
6675 | rc = lpfc_sli4_dealloc_extent(phba, | |
6676 | LPFC_RSC_TYPE_FCOE_VPI); | |
6677 | rc = lpfc_sli4_dealloc_extent(phba, | |
6678 | LPFC_RSC_TYPE_FCOE_XRI); | |
6679 | rc = lpfc_sli4_dealloc_extent(phba, | |
6680 | LPFC_RSC_TYPE_FCOE_RPI); | |
6681 | } else | |
6682 | return 0; | |
6683 | } | |
6684 | ||
6685 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6686 | if (unlikely(rc)) | |
6687 | goto err_exit; | |
6688 | ||
6689 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6690 | if (unlikely(rc)) | |
6691 | goto err_exit; | |
6692 | ||
6693 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6694 | if (unlikely(rc)) | |
6695 | goto err_exit; | |
6696 | ||
6697 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6698 | if (unlikely(rc)) | |
6699 | goto err_exit; | |
6700 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6701 | LPFC_IDX_RSRC_RDY); | |
6702 | return rc; | |
6703 | } else { | |
6704 | /* | |
6705 | * The port does not support resource extents. The XRI, VPI, | |
6706 | * VFI, RPI resource ids were determined from READ_CONFIG. | |
6707 | * Just allocate the bitmasks and provision the resource id | |
6708 | * arrays. If a port reset is active, the resources don't | |
6709 | * need any action - just exit. | |
6710 | */ | |
6711 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
ff78d8f9 JS |
6712 | LPFC_IDX_RSRC_RDY) { |
6713 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
6714 | lpfc_sli4_remove_rpis(phba); | |
6715 | } | |
6d368e53 JS |
6716 | /* RPIs. */ |
6717 | count = phba->sli4_hba.max_cfg_param.max_rpi; | |
0a630c27 | 6718 | if (count <= 0) { |
372c187b | 6719 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0a630c27 JS |
6720 | "3279 Invalid provisioning of " |
6721 | "rpi:%d\n", count); | |
6722 | rc = -EINVAL; | |
6723 | goto err_exit; | |
6724 | } | |
6d368e53 JS |
6725 | base = phba->sli4_hba.max_cfg_param.rpi_base; |
6726 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6727 | phba->sli4_hba.rpi_bmask = kcalloc(longs, |
6d368e53 JS |
6728 | sizeof(unsigned long), |
6729 | GFP_KERNEL); | |
6730 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
6731 | rc = -ENOMEM; | |
6732 | goto err_exit; | |
6733 | } | |
6396bb22 | 6734 | phba->sli4_hba.rpi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6735 | GFP_KERNEL); |
6736 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
6737 | rc = -ENOMEM; | |
6738 | goto free_rpi_bmask; | |
6739 | } | |
6740 | ||
6741 | for (i = 0; i < count; i++) | |
6742 | phba->sli4_hba.rpi_ids[i] = base + i; | |
6743 | ||
6744 | /* VPIs. */ | |
6745 | count = phba->sli4_hba.max_cfg_param.max_vpi; | |
0a630c27 | 6746 | if (count <= 0) { |
372c187b | 6747 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0a630c27 JS |
6748 | "3280 Invalid provisioning of " |
6749 | "vpi:%d\n", count); | |
6750 | rc = -EINVAL; | |
6751 | goto free_rpi_ids; | |
6752 | } | |
6d368e53 JS |
6753 | base = phba->sli4_hba.max_cfg_param.vpi_base; |
6754 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6755 | phba->vpi_bmask = kcalloc(longs, sizeof(unsigned long), |
6d368e53 JS |
6756 | GFP_KERNEL); |
6757 | if (unlikely(!phba->vpi_bmask)) { | |
6758 | rc = -ENOMEM; | |
6759 | goto free_rpi_ids; | |
6760 | } | |
6396bb22 | 6761 | phba->vpi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6762 | GFP_KERNEL); |
6763 | if (unlikely(!phba->vpi_ids)) { | |
6764 | rc = -ENOMEM; | |
6765 | goto free_vpi_bmask; | |
6766 | } | |
6767 | ||
6768 | for (i = 0; i < count; i++) | |
6769 | phba->vpi_ids[i] = base + i; | |
6770 | ||
6771 | /* XRIs. */ | |
6772 | count = phba->sli4_hba.max_cfg_param.max_xri; | |
0a630c27 | 6773 | if (count <= 0) { |
372c187b | 6774 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0a630c27 JS |
6775 | "3281 Invalid provisioning of " |
6776 | "xri:%d\n", count); | |
6777 | rc = -EINVAL; | |
6778 | goto free_vpi_ids; | |
6779 | } | |
6d368e53 JS |
6780 | base = phba->sli4_hba.max_cfg_param.xri_base; |
6781 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6782 | phba->sli4_hba.xri_bmask = kcalloc(longs, |
6d368e53 JS |
6783 | sizeof(unsigned long), |
6784 | GFP_KERNEL); | |
6785 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
6786 | rc = -ENOMEM; | |
6787 | goto free_vpi_ids; | |
6788 | } | |
41899be7 | 6789 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6396bb22 | 6790 | phba->sli4_hba.xri_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6791 | GFP_KERNEL); |
6792 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
6793 | rc = -ENOMEM; | |
6794 | goto free_xri_bmask; | |
6795 | } | |
6796 | ||
6797 | for (i = 0; i < count; i++) | |
6798 | phba->sli4_hba.xri_ids[i] = base + i; | |
6799 | ||
6800 | /* VFIs. */ | |
6801 | count = phba->sli4_hba.max_cfg_param.max_vfi; | |
0a630c27 | 6802 | if (count <= 0) { |
372c187b | 6803 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0a630c27 JS |
6804 | "3282 Invalid provisioning of " |
6805 | "vfi:%d\n", count); | |
6806 | rc = -EINVAL; | |
6807 | goto free_xri_ids; | |
6808 | } | |
6d368e53 JS |
6809 | base = phba->sli4_hba.max_cfg_param.vfi_base; |
6810 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6811 | phba->sli4_hba.vfi_bmask = kcalloc(longs, |
6d368e53 JS |
6812 | sizeof(unsigned long), |
6813 | GFP_KERNEL); | |
6814 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
6815 | rc = -ENOMEM; | |
6816 | goto free_xri_ids; | |
6817 | } | |
6396bb22 | 6818 | phba->sli4_hba.vfi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6819 | GFP_KERNEL); |
6820 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
6821 | rc = -ENOMEM; | |
6822 | goto free_vfi_bmask; | |
6823 | } | |
6824 | ||
6825 | for (i = 0; i < count; i++) | |
6826 | phba->sli4_hba.vfi_ids[i] = base + i; | |
6827 | ||
6828 | /* | |
6829 | * Mark all resources ready. An HBA reset doesn't need | |
6830 | * to reset the initialization. | |
6831 | */ | |
6832 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6833 | LPFC_IDX_RSRC_RDY); | |
6834 | return 0; | |
6835 | } | |
6836 | ||
6837 | free_vfi_bmask: | |
6838 | kfree(phba->sli4_hba.vfi_bmask); | |
cd60be49 | 6839 | phba->sli4_hba.vfi_bmask = NULL; |
6d368e53 JS |
6840 | free_xri_ids: |
6841 | kfree(phba->sli4_hba.xri_ids); | |
cd60be49 | 6842 | phba->sli4_hba.xri_ids = NULL; |
6d368e53 JS |
6843 | free_xri_bmask: |
6844 | kfree(phba->sli4_hba.xri_bmask); | |
cd60be49 | 6845 | phba->sli4_hba.xri_bmask = NULL; |
6d368e53 JS |
6846 | free_vpi_ids: |
6847 | kfree(phba->vpi_ids); | |
cd60be49 | 6848 | phba->vpi_ids = NULL; |
6d368e53 JS |
6849 | free_vpi_bmask: |
6850 | kfree(phba->vpi_bmask); | |
cd60be49 | 6851 | phba->vpi_bmask = NULL; |
6d368e53 JS |
6852 | free_rpi_ids: |
6853 | kfree(phba->sli4_hba.rpi_ids); | |
cd60be49 | 6854 | phba->sli4_hba.rpi_ids = NULL; |
6d368e53 JS |
6855 | free_rpi_bmask: |
6856 | kfree(phba->sli4_hba.rpi_bmask); | |
cd60be49 | 6857 | phba->sli4_hba.rpi_bmask = NULL; |
6d368e53 JS |
6858 | err_exit: |
6859 | return rc; | |
6860 | } | |
6861 | ||
6862 | /** | |
6863 | * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents. | |
6864 | * @phba: Pointer to HBA context object. | |
6865 | * | |
6866 | * This function allocates the number of elements for the specified | |
6867 | * resource type. | |
6868 | **/ | |
6869 | int | |
6870 | lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba) | |
6871 | { | |
6872 | if (phba->sli4_hba.extents_in_use) { | |
6873 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6874 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6875 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6876 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6877 | } else { | |
6878 | kfree(phba->vpi_bmask); | |
16a3a208 | 6879 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6880 | kfree(phba->vpi_ids); |
6881 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6882 | kfree(phba->sli4_hba.xri_bmask); | |
6883 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6884 | kfree(phba->sli4_hba.vfi_bmask); |
6885 | kfree(phba->sli4_hba.vfi_ids); | |
6886 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6887 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6888 | } | |
6889 | ||
6890 | return 0; | |
6891 | } | |
6892 | ||
b76f2dc9 JS |
6893 | /** |
6894 | * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents. | |
6895 | * @phba: Pointer to HBA context object. | |
6896 | * @type: The resource extent type. | |
7af29d45 | 6897 | * @extnt_cnt: buffer to hold port extent count response |
b76f2dc9 JS |
6898 | * @extnt_size: buffer to hold port extent size response. |
6899 | * | |
6900 | * This function calls the port to read the host allocated extents | |
6901 | * for a particular type. | |
6902 | **/ | |
6903 | int | |
6904 | lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type, | |
6905 | uint16_t *extnt_cnt, uint16_t *extnt_size) | |
6906 | { | |
6907 | bool emb; | |
6908 | int rc = 0; | |
6909 | uint16_t curr_blks = 0; | |
6910 | uint32_t req_len, emb_len; | |
6911 | uint32_t alloc_len, mbox_tmo; | |
6912 | struct list_head *blk_list_head; | |
6913 | struct lpfc_rsrc_blks *rsrc_blk; | |
6914 | LPFC_MBOXQ_t *mbox; | |
6915 | void *virtaddr = NULL; | |
6916 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
6917 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
6918 | union lpfc_sli4_cfg_shdr *shdr; | |
6919 | ||
6920 | switch (type) { | |
6921 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6922 | blk_list_head = &phba->lpfc_vpi_blk_list; | |
6923 | break; | |
6924 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6925 | blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list; | |
6926 | break; | |
6927 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6928 | blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list; | |
6929 | break; | |
6930 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6931 | blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list; | |
6932 | break; | |
6933 | default: | |
6934 | return -EIO; | |
6935 | } | |
6936 | ||
6937 | /* Count the number of extents currently allocatd for this type. */ | |
6938 | list_for_each_entry(rsrc_blk, blk_list_head, list) { | |
6939 | if (curr_blks == 0) { | |
6940 | /* | |
6941 | * The GET_ALLOCATED mailbox does not return the size, | |
6942 | * just the count. The size should be just the size | |
6943 | * stored in the current allocated block and all sizes | |
6944 | * for an extent type are the same so set the return | |
6945 | * value now. | |
6946 | */ | |
6947 | *extnt_size = rsrc_blk->rsrc_size; | |
6948 | } | |
6949 | curr_blks++; | |
6950 | } | |
6951 | ||
b76f2dc9 JS |
6952 | /* |
6953 | * Calculate the size of an embedded mailbox. The uint32_t | |
6954 | * accounts for extents-specific word. | |
6955 | */ | |
6956 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
6957 | sizeof(uint32_t); | |
6958 | ||
6959 | /* | |
6960 | * Presume the allocation and response will fit into an embedded | |
6961 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
6962 | */ | |
6963 | emb = LPFC_SLI4_MBX_EMBED; | |
6964 | req_len = emb_len; | |
6965 | if (req_len > emb_len) { | |
6966 | req_len = curr_blks * sizeof(uint16_t) + | |
6967 | sizeof(union lpfc_sli4_cfg_shdr) + | |
6968 | sizeof(uint32_t); | |
6969 | emb = LPFC_SLI4_MBX_NEMBED; | |
6970 | } | |
6971 | ||
6972 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6973 | if (!mbox) | |
6974 | return -ENOMEM; | |
6975 | memset(mbox, 0, sizeof(LPFC_MBOXQ_t)); | |
6976 | ||
6977 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6978 | LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT, | |
6979 | req_len, emb); | |
6980 | if (alloc_len < req_len) { | |
372c187b | 6981 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
b76f2dc9 JS |
6982 | "2983 Allocated DMA memory size (x%x) is " |
6983 | "less than the requested DMA memory " | |
6984 | "size (x%x)\n", alloc_len, req_len); | |
6985 | rc = -ENOMEM; | |
6986 | goto err_exit; | |
6987 | } | |
6988 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb); | |
6989 | if (unlikely(rc)) { | |
6990 | rc = -EIO; | |
6991 | goto err_exit; | |
6992 | } | |
6993 | ||
6994 | if (!phba->sli4_hba.intr_enable) | |
6995 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6996 | else { | |
a183a15f | 6997 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
b76f2dc9 JS |
6998 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6999 | } | |
7000 | ||
7001 | if (unlikely(rc)) { | |
7002 | rc = -EIO; | |
7003 | goto err_exit; | |
7004 | } | |
7005 | ||
7006 | /* | |
7007 | * Figure out where the response is located. Then get local pointers | |
7008 | * to the response data. The port does not guarantee to respond to | |
7009 | * all extents counts request so update the local variable with the | |
7010 | * allocated count from the port. | |
7011 | */ | |
7012 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
7013 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
7014 | shdr = &rsrc_ext->header.cfg_shdr; | |
7015 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
7016 | } else { | |
7017 | virtaddr = mbox->sge_array->addr[0]; | |
7018 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
7019 | shdr = &n_rsrc->cfg_shdr; | |
7020 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
7021 | } | |
7022 | ||
7023 | if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) { | |
372c187b | 7024 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
b76f2dc9 JS |
7025 | "2984 Failed to read allocated resources " |
7026 | "for type %d - Status 0x%x Add'l Status 0x%x.\n", | |
7027 | type, | |
7028 | bf_get(lpfc_mbox_hdr_status, &shdr->response), | |
7029 | bf_get(lpfc_mbox_hdr_add_status, &shdr->response)); | |
7030 | rc = -EIO; | |
7031 | goto err_exit; | |
7032 | } | |
7033 | err_exit: | |
7034 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
7035 | return rc; | |
7036 | } | |
7037 | ||
8a9d2e80 | 7038 | /** |
0ef69968 | 7039 | * lpfc_sli4_repost_sgl_list - Repost the buffers sgl pages as block |
8a9d2e80 | 7040 | * @phba: pointer to lpfc hba data structure. |
895427bd JS |
7041 | * @sgl_list: linked link of sgl buffers to post |
7042 | * @cnt: number of linked list buffers | |
8a9d2e80 | 7043 | * |
895427bd | 7044 | * This routine walks the list of buffers that have been allocated and |
8a9d2e80 JS |
7045 | * repost them to the port by using SGL block post. This is needed after a |
7046 | * pci_function_reset/warm_start or start. It attempts to construct blocks | |
895427bd JS |
7047 | * of buffer sgls which contains contiguous xris and uses the non-embedded |
7048 | * SGL block post mailbox commands to post them to the port. For single | |
8a9d2e80 JS |
7049 | * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post |
7050 | * mailbox command for posting. | |
7051 | * | |
7052 | * Returns: 0 = success, non-zero failure. | |
7053 | **/ | |
7054 | static int | |
895427bd JS |
7055 | lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, |
7056 | struct list_head *sgl_list, int cnt) | |
8a9d2e80 JS |
7057 | { |
7058 | struct lpfc_sglq *sglq_entry = NULL; | |
7059 | struct lpfc_sglq *sglq_entry_next = NULL; | |
7060 | struct lpfc_sglq *sglq_entry_first = NULL; | |
895427bd JS |
7061 | int status, total_cnt; |
7062 | int post_cnt = 0, num_posted = 0, block_cnt = 0; | |
8a9d2e80 JS |
7063 | int last_xritag = NO_XRI; |
7064 | LIST_HEAD(prep_sgl_list); | |
7065 | LIST_HEAD(blck_sgl_list); | |
7066 | LIST_HEAD(allc_sgl_list); | |
7067 | LIST_HEAD(post_sgl_list); | |
7068 | LIST_HEAD(free_sgl_list); | |
7069 | ||
38c20673 | 7070 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
7071 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
7072 | list_splice_init(sgl_list, &allc_sgl_list); | |
7073 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 7074 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 7075 | |
895427bd | 7076 | total_cnt = cnt; |
8a9d2e80 JS |
7077 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, |
7078 | &allc_sgl_list, list) { | |
7079 | list_del_init(&sglq_entry->list); | |
7080 | block_cnt++; | |
7081 | if ((last_xritag != NO_XRI) && | |
7082 | (sglq_entry->sli4_xritag != last_xritag + 1)) { | |
7083 | /* a hole in xri block, form a sgl posting block */ | |
7084 | list_splice_init(&prep_sgl_list, &blck_sgl_list); | |
7085 | post_cnt = block_cnt - 1; | |
7086 | /* prepare list for next posting block */ | |
7087 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
7088 | block_cnt = 1; | |
7089 | } else { | |
7090 | /* prepare list for next posting block */ | |
7091 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
7092 | /* enough sgls for non-embed sgl mbox command */ | |
7093 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
7094 | list_splice_init(&prep_sgl_list, | |
7095 | &blck_sgl_list); | |
7096 | post_cnt = block_cnt; | |
7097 | block_cnt = 0; | |
7098 | } | |
7099 | } | |
7100 | num_posted++; | |
7101 | ||
7102 | /* keep track of last sgl's xritag */ | |
7103 | last_xritag = sglq_entry->sli4_xritag; | |
7104 | ||
895427bd JS |
7105 | /* end of repost sgl list condition for buffers */ |
7106 | if (num_posted == total_cnt) { | |
8a9d2e80 JS |
7107 | if (post_cnt == 0) { |
7108 | list_splice_init(&prep_sgl_list, | |
7109 | &blck_sgl_list); | |
7110 | post_cnt = block_cnt; | |
7111 | } else if (block_cnt == 1) { | |
7112 | status = lpfc_sli4_post_sgl(phba, | |
7113 | sglq_entry->phys, 0, | |
7114 | sglq_entry->sli4_xritag); | |
7115 | if (!status) { | |
7116 | /* successful, put sgl to posted list */ | |
7117 | list_add_tail(&sglq_entry->list, | |
7118 | &post_sgl_list); | |
7119 | } else { | |
7120 | /* Failure, put sgl to free list */ | |
7121 | lpfc_printf_log(phba, KERN_WARNING, | |
7122 | LOG_SLI, | |
895427bd | 7123 | "3159 Failed to post " |
8a9d2e80 JS |
7124 | "sgl, xritag:x%x\n", |
7125 | sglq_entry->sli4_xritag); | |
7126 | list_add_tail(&sglq_entry->list, | |
7127 | &free_sgl_list); | |
711ea882 | 7128 | total_cnt--; |
8a9d2e80 JS |
7129 | } |
7130 | } | |
7131 | } | |
7132 | ||
7133 | /* continue until a nembed page worth of sgls */ | |
7134 | if (post_cnt == 0) | |
7135 | continue; | |
7136 | ||
895427bd JS |
7137 | /* post the buffer list sgls as a block */ |
7138 | status = lpfc_sli4_post_sgl_list(phba, &blck_sgl_list, | |
7139 | post_cnt); | |
8a9d2e80 JS |
7140 | |
7141 | if (!status) { | |
7142 | /* success, put sgl list to posted sgl list */ | |
7143 | list_splice_init(&blck_sgl_list, &post_sgl_list); | |
7144 | } else { | |
7145 | /* Failure, put sgl list to free sgl list */ | |
7146 | sglq_entry_first = list_first_entry(&blck_sgl_list, | |
7147 | struct lpfc_sglq, | |
7148 | list); | |
7149 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
895427bd | 7150 | "3160 Failed to post sgl-list, " |
8a9d2e80 JS |
7151 | "xritag:x%x-x%x\n", |
7152 | sglq_entry_first->sli4_xritag, | |
7153 | (sglq_entry_first->sli4_xritag + | |
7154 | post_cnt - 1)); | |
7155 | list_splice_init(&blck_sgl_list, &free_sgl_list); | |
711ea882 | 7156 | total_cnt -= post_cnt; |
8a9d2e80 JS |
7157 | } |
7158 | ||
7159 | /* don't reset xirtag due to hole in xri block */ | |
7160 | if (block_cnt == 0) | |
7161 | last_xritag = NO_XRI; | |
7162 | ||
895427bd | 7163 | /* reset sgl post count for next round of posting */ |
8a9d2e80 JS |
7164 | post_cnt = 0; |
7165 | } | |
7166 | ||
895427bd | 7167 | /* free the sgls failed to post */ |
8a9d2e80 JS |
7168 | lpfc_free_sgl_list(phba, &free_sgl_list); |
7169 | ||
895427bd | 7170 | /* push sgls posted to the available list */ |
8a9d2e80 | 7171 | if (!list_empty(&post_sgl_list)) { |
38c20673 | 7172 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
7173 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
7174 | list_splice_init(&post_sgl_list, sgl_list); | |
7175 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 7176 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 7177 | } else { |
372c187b | 7178 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
895427bd | 7179 | "3161 Failure to post sgl to port.\n"); |
8a9d2e80 JS |
7180 | return -EIO; |
7181 | } | |
895427bd JS |
7182 | |
7183 | /* return the number of XRIs actually posted */ | |
7184 | return total_cnt; | |
8a9d2e80 JS |
7185 | } |
7186 | ||
0794d601 | 7187 | /** |
5e5b511d | 7188 | * lpfc_sli4_repost_io_sgl_list - Repost all the allocated nvme buffer sgls |
0794d601 JS |
7189 | * @phba: pointer to lpfc hba data structure. |
7190 | * | |
7191 | * This routine walks the list of nvme buffers that have been allocated and | |
7192 | * repost them to the port by using SGL block post. This is needed after a | |
7193 | * pci_function_reset/warm_start or start. The lpfc_hba_down_post_s4 routine | |
7194 | * is responsible for moving all nvme buffers on the lpfc_abts_nvme_sgl_list | |
5e5b511d | 7195 | * to the lpfc_io_buf_list. If the repost fails, reject all nvme buffers. |
0794d601 JS |
7196 | * |
7197 | * Returns: 0 = success, non-zero failure. | |
7198 | **/ | |
3999df75 | 7199 | static int |
5e5b511d | 7200 | lpfc_sli4_repost_io_sgl_list(struct lpfc_hba *phba) |
0794d601 JS |
7201 | { |
7202 | LIST_HEAD(post_nblist); | |
7203 | int num_posted, rc = 0; | |
7204 | ||
7205 | /* get all NVME buffers need to repost to a local list */ | |
5e5b511d | 7206 | lpfc_io_buf_flush(phba, &post_nblist); |
0794d601 JS |
7207 | |
7208 | /* post the list of nvme buffer sgls to port if available */ | |
7209 | if (!list_empty(&post_nblist)) { | |
5e5b511d JS |
7210 | num_posted = lpfc_sli4_post_io_sgl_list( |
7211 | phba, &post_nblist, phba->sli4_hba.io_xri_cnt); | |
0794d601 JS |
7212 | /* failed to post any nvme buffer, return error */ |
7213 | if (num_posted == 0) | |
7214 | rc = -EIO; | |
7215 | } | |
7216 | return rc; | |
7217 | } | |
7218 | ||
3999df75 | 7219 | static void |
61bda8f7 JS |
7220 | lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) |
7221 | { | |
7222 | uint32_t len; | |
7223 | ||
7224 | len = sizeof(struct lpfc_mbx_set_host_data) - | |
7225 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
7226 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7227 | LPFC_MBOX_OPCODE_SET_HOST_DATA, len, | |
7228 | LPFC_SLI4_MBX_EMBED); | |
7229 | ||
7230 | mbox->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_OS_DRIVER_VERSION; | |
b2fd103b JS |
7231 | mbox->u.mqe.un.set_host_data.param_len = |
7232 | LPFC_HOST_OS_DRIVER_VERSION_SIZE; | |
61bda8f7 JS |
7233 | snprintf(mbox->u.mqe.un.set_host_data.data, |
7234 | LPFC_HOST_OS_DRIVER_VERSION_SIZE, | |
7235 | "Linux %s v"LPFC_DRIVER_VERSION, | |
7236 | (phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC"); | |
7237 | } | |
7238 | ||
a8cf5dfe | 7239 | int |
6c621a22 | 7240 | lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
a8cf5dfe | 7241 | struct lpfc_queue *drq, int count, int idx) |
6c621a22 JS |
7242 | { |
7243 | int rc, i; | |
7244 | struct lpfc_rqe hrqe; | |
7245 | struct lpfc_rqe drqe; | |
7246 | struct lpfc_rqb *rqbp; | |
411de511 | 7247 | unsigned long flags; |
6c621a22 JS |
7248 | struct rqb_dmabuf *rqb_buffer; |
7249 | LIST_HEAD(rqb_buf_list); | |
7250 | ||
411de511 | 7251 | spin_lock_irqsave(&phba->hbalock, flags); |
6c621a22 JS |
7252 | rqbp = hrq->rqbp; |
7253 | for (i = 0; i < count; i++) { | |
7254 | /* IF RQ is already full, don't bother */ | |
7255 | if (rqbp->buffer_count + i >= rqbp->entry_count - 1) | |
7256 | break; | |
7257 | rqb_buffer = rqbp->rqb_alloc_buffer(phba); | |
7258 | if (!rqb_buffer) | |
7259 | break; | |
7260 | rqb_buffer->hrq = hrq; | |
7261 | rqb_buffer->drq = drq; | |
a8cf5dfe | 7262 | rqb_buffer->idx = idx; |
6c621a22 JS |
7263 | list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); |
7264 | } | |
7265 | while (!list_empty(&rqb_buf_list)) { | |
7266 | list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, | |
7267 | hbuf.list); | |
7268 | ||
7269 | hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); | |
7270 | hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); | |
7271 | drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); | |
7272 | drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); | |
7273 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); | |
7274 | if (rc < 0) { | |
372c187b | 7275 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
411de511 JS |
7276 | "6421 Cannot post to HRQ %d: %x %x %x " |
7277 | "DRQ %x %x\n", | |
7278 | hrq->queue_id, | |
7279 | hrq->host_index, | |
7280 | hrq->hba_index, | |
7281 | hrq->entry_count, | |
7282 | drq->host_index, | |
7283 | drq->hba_index); | |
6c621a22 JS |
7284 | rqbp->rqb_free_buffer(phba, rqb_buffer); |
7285 | } else { | |
7286 | list_add_tail(&rqb_buffer->hbuf.list, | |
7287 | &rqbp->rqb_buffer_list); | |
7288 | rqbp->buffer_count++; | |
7289 | } | |
7290 | } | |
411de511 | 7291 | spin_unlock_irqrestore(&phba->hbalock, flags); |
6c621a22 JS |
7292 | return 1; |
7293 | } | |
7294 | ||
317aeb83 DK |
7295 | /** |
7296 | * lpfc_init_idle_stat_hb - Initialize idle_stat tracking | |
7af29d45 | 7297 | * @phba: pointer to lpfc hba data structure. |
317aeb83 DK |
7298 | * |
7299 | * This routine initializes the per-cq idle_stat to dynamically dictate | |
7300 | * polling decisions. | |
7301 | * | |
7302 | * Return codes: | |
7303 | * None | |
7304 | **/ | |
7305 | static void lpfc_init_idle_stat_hb(struct lpfc_hba *phba) | |
7306 | { | |
7307 | int i; | |
7308 | struct lpfc_sli4_hdw_queue *hdwq; | |
7309 | struct lpfc_queue *cq; | |
7310 | struct lpfc_idle_stat *idle_stat; | |
7311 | u64 wall; | |
7312 | ||
7313 | for_each_present_cpu(i) { | |
7314 | hdwq = &phba->sli4_hba.hdwq[phba->sli4_hba.cpu_map[i].hdwq]; | |
7315 | cq = hdwq->io_cq; | |
7316 | ||
7317 | /* Skip if we've already handled this cq's primary CPU */ | |
7318 | if (cq->chann != i) | |
7319 | continue; | |
7320 | ||
7321 | idle_stat = &phba->sli4_hba.idle_stat[i]; | |
7322 | ||
7323 | idle_stat->prev_idle = get_cpu_idle_time(i, &wall, 1); | |
7324 | idle_stat->prev_wall = wall; | |
7325 | ||
7326 | if (phba->nvmet_support) | |
7327 | cq->poll_mode = LPFC_QUEUE_WORK; | |
7328 | else | |
7329 | cq->poll_mode = LPFC_IRQ_POLL; | |
7330 | } | |
7331 | ||
7332 | if (!phba->nvmet_support) | |
7333 | schedule_delayed_work(&phba->idle_stat_delay_work, | |
7334 | msecs_to_jiffies(LPFC_IDLE_STAT_DELAY)); | |
7335 | } | |
7336 | ||
f0020e42 DK |
7337 | static void lpfc_sli4_dip(struct lpfc_hba *phba) |
7338 | { | |
7339 | uint32_t if_type; | |
7340 | ||
7341 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); | |
7342 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2 || | |
7343 | if_type == LPFC_SLI_INTF_IF_TYPE_6) { | |
7344 | struct lpfc_register reg_data; | |
7345 | ||
7346 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, | |
7347 | ®_data.word0)) | |
7348 | return; | |
7349 | ||
7350 | if (bf_get(lpfc_sliport_status_dip, ®_data)) | |
372c187b | 7351 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
f0020e42 DK |
7352 | "2904 Firmware Dump Image Present" |
7353 | " on Adapter"); | |
7354 | } | |
7355 | } | |
7356 | ||
da0436e9 | 7357 | /** |
183b8021 | 7358 | * lpfc_sli4_hba_setup - SLI4 device initialization PCI function |
da0436e9 JS |
7359 | * @phba: Pointer to HBA context object. |
7360 | * | |
183b8021 MY |
7361 | * This function is the main SLI4 device initialization PCI function. This |
7362 | * function is called by the HBA initialization code, HBA reset code and | |
da0436e9 JS |
7363 | * HBA error attention handler code. Caller is not required to hold any |
7364 | * locks. | |
7365 | **/ | |
7366 | int | |
7367 | lpfc_sli4_hba_setup(struct lpfc_hba *phba) | |
7368 | { | |
171f6c41 | 7369 | int rc, i, cnt, len, dd; |
da0436e9 JS |
7370 | LPFC_MBOXQ_t *mboxq; |
7371 | struct lpfc_mqe *mqe; | |
7372 | uint8_t *vpd; | |
7373 | uint32_t vpd_size; | |
7374 | uint32_t ftr_rsp = 0; | |
7375 | struct Scsi_Host *shost = lpfc_shost_from_vport(phba->pport); | |
7376 | struct lpfc_vport *vport = phba->pport; | |
7377 | struct lpfc_dmabuf *mp; | |
2d7dbc4c | 7378 | struct lpfc_rqb *rqbp; |
da0436e9 JS |
7379 | |
7380 | /* Perform a PCI function reset to start from clean */ | |
7381 | rc = lpfc_pci_function_reset(phba); | |
7382 | if (unlikely(rc)) | |
7383 | return -ENODEV; | |
7384 | ||
7385 | /* Check the HBA Host Status Register for readyness */ | |
7386 | rc = lpfc_sli4_post_status_check(phba); | |
7387 | if (unlikely(rc)) | |
7388 | return -ENODEV; | |
7389 | else { | |
7390 | spin_lock_irq(&phba->hbalock); | |
7391 | phba->sli.sli_flag |= LPFC_SLI_ACTIVE; | |
7392 | spin_unlock_irq(&phba->hbalock); | |
7393 | } | |
7394 | ||
f0020e42 DK |
7395 | lpfc_sli4_dip(phba); |
7396 | ||
da0436e9 JS |
7397 | /* |
7398 | * Allocate a single mailbox container for initializing the | |
7399 | * port. | |
7400 | */ | |
7401 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
7402 | if (!mboxq) | |
7403 | return -ENOMEM; | |
7404 | ||
da0436e9 | 7405 | /* Issue READ_REV to collect vpd and FW information. */ |
49198b37 | 7406 | vpd_size = SLI4_PAGE_SIZE; |
da0436e9 JS |
7407 | vpd = kzalloc(vpd_size, GFP_KERNEL); |
7408 | if (!vpd) { | |
7409 | rc = -ENOMEM; | |
7410 | goto out_free_mbox; | |
7411 | } | |
7412 | ||
7413 | rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size); | |
76a95d75 JS |
7414 | if (unlikely(rc)) { |
7415 | kfree(vpd); | |
7416 | goto out_free_mbox; | |
7417 | } | |
572709e2 | 7418 | |
da0436e9 | 7419 | mqe = &mboxq->u.mqe; |
f1126688 | 7420 | phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev); |
b5c53958 | 7421 | if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) { |
76a95d75 | 7422 | phba->hba_flag |= HBA_FCOE_MODE; |
b5c53958 JS |
7423 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
7424 | } else { | |
76a95d75 | 7425 | phba->hba_flag &= ~HBA_FCOE_MODE; |
b5c53958 | 7426 | } |
45ed1190 JS |
7427 | |
7428 | if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) == | |
7429 | LPFC_DCBX_CEE_MODE) | |
7430 | phba->hba_flag |= HBA_FIP_SUPPORT; | |
7431 | else | |
7432 | phba->hba_flag &= ~HBA_FIP_SUPPORT; | |
7433 | ||
c00f62e6 | 7434 | phba->hba_flag &= ~HBA_IOQ_FLUSH; |
4f2e66c6 | 7435 | |
c31098ce | 7436 | if (phba->sli_rev != LPFC_SLI_REV4) { |
372c187b | 7437 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
da0436e9 JS |
7438 | "0376 READ_REV Error. SLI Level %d " |
7439 | "FCoE enabled %d\n", | |
76a95d75 | 7440 | phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE); |
da0436e9 | 7441 | rc = -EIO; |
76a95d75 JS |
7442 | kfree(vpd); |
7443 | goto out_free_mbox; | |
da0436e9 | 7444 | } |
cd1c8301 | 7445 | |
ff78d8f9 JS |
7446 | /* |
7447 | * Continue initialization with default values even if driver failed | |
7448 | * to read FCoE param config regions, only read parameters if the | |
7449 | * board is FCoE | |
7450 | */ | |
7451 | if (phba->hba_flag & HBA_FCOE_MODE && | |
7452 | lpfc_sli4_read_fcoe_params(phba)) | |
7453 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_INIT, | |
7454 | "2570 Failed to read FCoE parameters\n"); | |
7455 | ||
cd1c8301 JS |
7456 | /* |
7457 | * Retrieve sli4 device physical port name, failure of doing it | |
7458 | * is considered as non-fatal. | |
7459 | */ | |
7460 | rc = lpfc_sli4_retrieve_pport_name(phba); | |
7461 | if (!rc) | |
7462 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7463 | "3080 Successful retrieving SLI4 device " | |
7464 | "physical port name: %s.\n", phba->Port); | |
7465 | ||
b3b4f3e1 JS |
7466 | rc = lpfc_sli4_get_ctl_attr(phba); |
7467 | if (!rc) | |
7468 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7469 | "8351 Successful retrieving SLI4 device " | |
7470 | "CTL ATTR\n"); | |
7471 | ||
da0436e9 JS |
7472 | /* |
7473 | * Evaluate the read rev and vpd data. Populate the driver | |
7474 | * state with the results. If this routine fails, the failure | |
7475 | * is not fatal as the driver will use generic values. | |
7476 | */ | |
7477 | rc = lpfc_parse_vpd(phba, vpd, vpd_size); | |
7478 | if (unlikely(!rc)) { | |
372c187b | 7479 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
da0436e9 JS |
7480 | "0377 Error %d parsing vpd. " |
7481 | "Using defaults.\n", rc); | |
7482 | rc = 0; | |
7483 | } | |
76a95d75 | 7484 | kfree(vpd); |
da0436e9 | 7485 | |
f1126688 JS |
7486 | /* Save information as VPD data */ |
7487 | phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev; | |
7488 | phba->vpd.rev.smRev = mqe->un.read_rev.second_hw_rev; | |
4e565cf0 JS |
7489 | |
7490 | /* | |
7491 | * This is because first G7 ASIC doesn't support the standard | |
7492 | * 0x5a NVME cmd descriptor type/subtype | |
7493 | */ | |
7494 | if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
7495 | LPFC_SLI_INTF_IF_TYPE_6) && | |
7496 | (phba->vpd.rev.biuRev == LPFC_G7_ASIC_1) && | |
7497 | (phba->vpd.rev.smRev == 0) && | |
7498 | (phba->cfg_nvme_embed_cmd == 1)) | |
7499 | phba->cfg_nvme_embed_cmd = 0; | |
7500 | ||
f1126688 JS |
7501 | phba->vpd.rev.endecRev = mqe->un.read_rev.third_hw_rev; |
7502 | phba->vpd.rev.fcphHigh = bf_get(lpfc_mbx_rd_rev_fcph_high, | |
7503 | &mqe->un.read_rev); | |
7504 | phba->vpd.rev.fcphLow = bf_get(lpfc_mbx_rd_rev_fcph_low, | |
7505 | &mqe->un.read_rev); | |
7506 | phba->vpd.rev.feaLevelHigh = bf_get(lpfc_mbx_rd_rev_ftr_lvl_high, | |
7507 | &mqe->un.read_rev); | |
7508 | phba->vpd.rev.feaLevelLow = bf_get(lpfc_mbx_rd_rev_ftr_lvl_low, | |
7509 | &mqe->un.read_rev); | |
7510 | phba->vpd.rev.sli1FwRev = mqe->un.read_rev.fw_id_rev; | |
7511 | memcpy(phba->vpd.rev.sli1FwName, mqe->un.read_rev.fw_name, 16); | |
7512 | phba->vpd.rev.sli2FwRev = mqe->un.read_rev.ulp_fw_id_rev; | |
7513 | memcpy(phba->vpd.rev.sli2FwName, mqe->un.read_rev.ulp_fw_name, 16); | |
7514 | phba->vpd.rev.opFwRev = mqe->un.read_rev.fw_id_rev; | |
7515 | memcpy(phba->vpd.rev.opFwName, mqe->un.read_rev.fw_name, 16); | |
7516 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7517 | "(%d):0380 READ_REV Status x%x " | |
7518 | "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n", | |
7519 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7520 | bf_get(lpfc_mqe_status, mqe), | |
7521 | phba->vpd.rev.opFwName, | |
7522 | phba->vpd.rev.fcphHigh, phba->vpd.rev.fcphLow, | |
7523 | phba->vpd.rev.feaLevelHigh, phba->vpd.rev.feaLevelLow); | |
da0436e9 | 7524 | |
65791f1f | 7525 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == |
7bdedb34 JS |
7526 | LPFC_SLI_INTF_IF_TYPE_0) { |
7527 | lpfc_set_features(phba, mboxq, LPFC_SET_UE_RECOVERY); | |
7528 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7529 | if (rc == MBX_SUCCESS) { | |
7530 | phba->hba_flag |= HBA_RECOVERABLE_UE; | |
7531 | /* Set 1Sec interval to detect UE */ | |
7532 | phba->eratt_poll_interval = 1; | |
7533 | phba->sli4_hba.ue_to_sr = bf_get( | |
7534 | lpfc_mbx_set_feature_UESR, | |
7535 | &mboxq->u.mqe.un.set_feature); | |
7536 | phba->sli4_hba.ue_to_rp = bf_get( | |
7537 | lpfc_mbx_set_feature_UERP, | |
7538 | &mboxq->u.mqe.un.set_feature); | |
7539 | } | |
7540 | } | |
7541 | ||
7542 | if (phba->cfg_enable_mds_diags && phba->mds_diags_support) { | |
7543 | /* Enable MDS Diagnostics only if the SLI Port supports it */ | |
7544 | lpfc_set_features(phba, mboxq, LPFC_SET_MDS_DIAGS); | |
7545 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7546 | if (rc != MBX_SUCCESS) | |
7547 | phba->mds_diags_support = 0; | |
7548 | } | |
572709e2 | 7549 | |
da0436e9 JS |
7550 | /* |
7551 | * Discover the port's supported feature set and match it against the | |
7552 | * hosts requests. | |
7553 | */ | |
7554 | lpfc_request_features(phba, mboxq); | |
7555 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7556 | if (unlikely(rc)) { | |
7557 | rc = -EIO; | |
76a95d75 | 7558 | goto out_free_mbox; |
da0436e9 JS |
7559 | } |
7560 | ||
7561 | /* | |
7562 | * The port must support FCP initiator mode as this is the | |
7563 | * only mode running in the host. | |
7564 | */ | |
7565 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi, &mqe->un.req_ftrs))) { | |
7566 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7567 | "0378 No support for fcpi mode.\n"); | |
7568 | ftr_rsp++; | |
7569 | } | |
0bc2b7c5 JS |
7570 | |
7571 | /* Performance Hints are ONLY for FCoE */ | |
7572 | if (phba->hba_flag & HBA_FCOE_MODE) { | |
7573 | if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh, &mqe->un.req_ftrs)) | |
7574 | phba->sli3_options |= LPFC_SLI4_PERFH_ENABLED; | |
7575 | else | |
7576 | phba->sli3_options &= ~LPFC_SLI4_PERFH_ENABLED; | |
7577 | } | |
7578 | ||
da0436e9 JS |
7579 | /* |
7580 | * If the port cannot support the host's requested features | |
7581 | * then turn off the global config parameters to disable the | |
7582 | * feature in the driver. This is not a fatal error. | |
7583 | */ | |
f44ac12f JS |
7584 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { |
7585 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) { | |
7586 | phba->cfg_enable_bg = 0; | |
7587 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; | |
bf08611b | 7588 | ftr_rsp++; |
f44ac12f | 7589 | } |
bf08611b | 7590 | } |
da0436e9 JS |
7591 | |
7592 | if (phba->max_vpi && phba->cfg_enable_npiv && | |
7593 | !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
7594 | ftr_rsp++; | |
7595 | ||
7596 | if (ftr_rsp) { | |
7597 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7598 | "0379 Feature Mismatch Data: x%08x %08x " | |
7599 | "x%x x%x x%x\n", mqe->un.req_ftrs.word2, | |
7600 | mqe->un.req_ftrs.word3, phba->cfg_enable_bg, | |
7601 | phba->cfg_enable_npiv, phba->max_vpi); | |
7602 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) | |
7603 | phba->cfg_enable_bg = 0; | |
7604 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
7605 | phba->cfg_enable_npiv = 0; | |
7606 | } | |
7607 | ||
7608 | /* These SLI3 features are assumed in SLI4 */ | |
7609 | spin_lock_irq(&phba->hbalock); | |
7610 | phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED); | |
7611 | spin_unlock_irq(&phba->hbalock); | |
7612 | ||
171f6c41 JS |
7613 | /* Always try to enable dual dump feature if we can */ |
7614 | lpfc_set_features(phba, mboxq, LPFC_SET_DUAL_DUMP); | |
7615 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7616 | dd = bf_get(lpfc_mbx_set_feature_dd, &mboxq->u.mqe.un.set_feature); | |
7617 | if ((rc == MBX_SUCCESS) && (dd == LPFC_ENABLE_DUAL_DUMP)) | |
372c187b | 7618 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
171f6c41 JS |
7619 | "6448 Dual Dump is enabled\n"); |
7620 | else | |
7621 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI | LOG_INIT, | |
7622 | "6447 Dual Dump Mailbox x%x (x%x/x%x) failed, " | |
7623 | "rc:x%x dd:x%x\n", | |
7624 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
7625 | lpfc_sli_config_mbox_subsys_get( | |
7626 | phba, mboxq), | |
7627 | lpfc_sli_config_mbox_opcode_get( | |
7628 | phba, mboxq), | |
7629 | rc, dd); | |
6d368e53 JS |
7630 | /* |
7631 | * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent | |
7632 | * calls depends on these resources to complete port setup. | |
7633 | */ | |
7634 | rc = lpfc_sli4_alloc_resource_identifiers(phba); | |
7635 | if (rc) { | |
372c187b | 7636 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6d368e53 JS |
7637 | "2920 Failed to alloc Resource IDs " |
7638 | "rc = x%x\n", rc); | |
7639 | goto out_free_mbox; | |
7640 | } | |
7641 | ||
61bda8f7 JS |
7642 | lpfc_set_host_data(phba, mboxq); |
7643 | ||
7644 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7645 | if (rc) { | |
7646 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7647 | "2134 Failed to set host os driver version %x", | |
7648 | rc); | |
7649 | } | |
7650 | ||
da0436e9 | 7651 | /* Read the port's service parameters. */ |
9f1177a3 JS |
7652 | rc = lpfc_read_sparam(phba, mboxq, vport->vpi); |
7653 | if (rc) { | |
7654 | phba->link_state = LPFC_HBA_ERROR; | |
7655 | rc = -ENOMEM; | |
76a95d75 | 7656 | goto out_free_mbox; |
9f1177a3 JS |
7657 | } |
7658 | ||
da0436e9 JS |
7659 | mboxq->vport = vport; |
7660 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
3e1f0718 | 7661 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
da0436e9 JS |
7662 | if (rc == MBX_SUCCESS) { |
7663 | memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm)); | |
7664 | rc = 0; | |
7665 | } | |
7666 | ||
7667 | /* | |
7668 | * This memory was allocated by the lpfc_read_sparam routine. Release | |
7669 | * it to the mbuf pool. | |
7670 | */ | |
7671 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
7672 | kfree(mp); | |
3e1f0718 | 7673 | mboxq->ctx_buf = NULL; |
da0436e9 | 7674 | if (unlikely(rc)) { |
372c187b | 7675 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
da0436e9 JS |
7676 | "0382 READ_SPARAM command failed " |
7677 | "status %d, mbxStatus x%x\n", | |
7678 | rc, bf_get(lpfc_mqe_status, mqe)); | |
7679 | phba->link_state = LPFC_HBA_ERROR; | |
7680 | rc = -EIO; | |
76a95d75 | 7681 | goto out_free_mbox; |
da0436e9 JS |
7682 | } |
7683 | ||
0558056c | 7684 | lpfc_update_vport_wwn(vport); |
da0436e9 JS |
7685 | |
7686 | /* Update the fc_host data structures with new wwn. */ | |
7687 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
7688 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
7689 | ||
895427bd JS |
7690 | /* Create all the SLI4 queues */ |
7691 | rc = lpfc_sli4_queue_create(phba); | |
7692 | if (rc) { | |
372c187b | 7693 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
895427bd JS |
7694 | "3089 Failed to allocate queues\n"); |
7695 | rc = -ENODEV; | |
7696 | goto out_free_mbox; | |
7697 | } | |
7698 | /* Set up all the queues to the device */ | |
7699 | rc = lpfc_sli4_queue_setup(phba); | |
7700 | if (unlikely(rc)) { | |
372c187b | 7701 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
895427bd JS |
7702 | "0381 Error %d during queue setup.\n ", rc); |
7703 | goto out_stop_timers; | |
7704 | } | |
7705 | /* Initialize the driver internal SLI layer lists. */ | |
7706 | lpfc_sli4_setup(phba); | |
7707 | lpfc_sli4_queue_init(phba); | |
7708 | ||
7709 | /* update host els xri-sgl sizes and mappings */ | |
7710 | rc = lpfc_sli4_els_sgl_update(phba); | |
8a9d2e80 | 7711 | if (unlikely(rc)) { |
372c187b | 7712 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
8a9d2e80 JS |
7713 | "1400 Failed to update xri-sgl size and " |
7714 | "mapping: %d\n", rc); | |
895427bd | 7715 | goto out_destroy_queue; |
da0436e9 JS |
7716 | } |
7717 | ||
8a9d2e80 | 7718 | /* register the els sgl pool to the port */ |
895427bd JS |
7719 | rc = lpfc_sli4_repost_sgl_list(phba, &phba->sli4_hba.lpfc_els_sgl_list, |
7720 | phba->sli4_hba.els_xri_cnt); | |
7721 | if (unlikely(rc < 0)) { | |
372c187b | 7722 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
8a9d2e80 JS |
7723 | "0582 Error %d during els sgl post " |
7724 | "operation\n", rc); | |
7725 | rc = -ENODEV; | |
895427bd | 7726 | goto out_destroy_queue; |
8a9d2e80 | 7727 | } |
895427bd | 7728 | phba->sli4_hba.els_xri_cnt = rc; |
8a9d2e80 | 7729 | |
f358dd0c JS |
7730 | if (phba->nvmet_support) { |
7731 | /* update host nvmet xri-sgl sizes and mappings */ | |
7732 | rc = lpfc_sli4_nvmet_sgl_update(phba); | |
7733 | if (unlikely(rc)) { | |
372c187b | 7734 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
f358dd0c JS |
7735 | "6308 Failed to update nvmet-sgl size " |
7736 | "and mapping: %d\n", rc); | |
7737 | goto out_destroy_queue; | |
7738 | } | |
7739 | ||
7740 | /* register the nvmet sgl pool to the port */ | |
7741 | rc = lpfc_sli4_repost_sgl_list( | |
7742 | phba, | |
7743 | &phba->sli4_hba.lpfc_nvmet_sgl_list, | |
7744 | phba->sli4_hba.nvmet_xri_cnt); | |
7745 | if (unlikely(rc < 0)) { | |
372c187b | 7746 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
f358dd0c JS |
7747 | "3117 Error %d during nvmet " |
7748 | "sgl post\n", rc); | |
7749 | rc = -ENODEV; | |
7750 | goto out_destroy_queue; | |
7751 | } | |
7752 | phba->sli4_hba.nvmet_xri_cnt = rc; | |
6c621a22 | 7753 | |
a5f7337f JS |
7754 | /* We allocate an iocbq for every receive context SGL. |
7755 | * The additional allocation is for abort and ls handling. | |
7756 | */ | |
7757 | cnt = phba->sli4_hba.nvmet_xri_cnt + | |
7758 | phba->sli4_hba.max_cfg_param.max_xri; | |
f358dd0c | 7759 | } else { |
0794d601 | 7760 | /* update host common xri-sgl sizes and mappings */ |
5e5b511d | 7761 | rc = lpfc_sli4_io_sgl_update(phba); |
895427bd | 7762 | if (unlikely(rc)) { |
372c187b | 7763 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0794d601 | 7764 | "6082 Failed to update nvme-sgl size " |
895427bd JS |
7765 | "and mapping: %d\n", rc); |
7766 | goto out_destroy_queue; | |
7767 | } | |
7768 | ||
0794d601 | 7769 | /* register the allocated common sgl pool to the port */ |
5e5b511d | 7770 | rc = lpfc_sli4_repost_io_sgl_list(phba); |
895427bd | 7771 | if (unlikely(rc)) { |
372c187b | 7772 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0794d601 JS |
7773 | "6116 Error %d during nvme sgl post " |
7774 | "operation\n", rc); | |
7775 | /* Some NVME buffers were moved to abort nvme list */ | |
7776 | /* A pci function reset will repost them */ | |
7777 | rc = -ENODEV; | |
895427bd JS |
7778 | goto out_destroy_queue; |
7779 | } | |
a5f7337f JS |
7780 | /* Each lpfc_io_buf job structure has an iocbq element. |
7781 | * This cnt provides for abort, els, ct and ls requests. | |
7782 | */ | |
7783 | cnt = phba->sli4_hba.max_cfg_param.max_xri; | |
11e644e2 JS |
7784 | } |
7785 | ||
7786 | if (!phba->sli.iocbq_lookup) { | |
6c621a22 JS |
7787 | /* Initialize and populate the iocb list per host */ |
7788 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a5f7337f JS |
7789 | "2821 initialize iocb list with %d entries\n", |
7790 | cnt); | |
6c621a22 JS |
7791 | rc = lpfc_init_iocb_list(phba, cnt); |
7792 | if (rc) { | |
372c187b | 7793 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
11e644e2 | 7794 | "1413 Failed to init iocb list.\n"); |
6c621a22 JS |
7795 | goto out_destroy_queue; |
7796 | } | |
895427bd JS |
7797 | } |
7798 | ||
11e644e2 JS |
7799 | if (phba->nvmet_support) |
7800 | lpfc_nvmet_create_targetport(phba); | |
7801 | ||
2d7dbc4c | 7802 | if (phba->nvmet_support && phba->cfg_nvmet_mrq) { |
2d7dbc4c JS |
7803 | /* Post initial buffers to all RQs created */ |
7804 | for (i = 0; i < phba->cfg_nvmet_mrq; i++) { | |
7805 | rqbp = phba->sli4_hba.nvmet_mrq_hdr[i]->rqbp; | |
7806 | INIT_LIST_HEAD(&rqbp->rqb_buffer_list); | |
7807 | rqbp->rqb_alloc_buffer = lpfc_sli4_nvmet_alloc; | |
7808 | rqbp->rqb_free_buffer = lpfc_sli4_nvmet_free; | |
61f3d4bf | 7809 | rqbp->entry_count = LPFC_NVMET_RQE_DEF_COUNT; |
2d7dbc4c JS |
7810 | rqbp->buffer_count = 0; |
7811 | ||
2d7dbc4c JS |
7812 | lpfc_post_rq_buffer( |
7813 | phba, phba->sli4_hba.nvmet_mrq_hdr[i], | |
7814 | phba->sli4_hba.nvmet_mrq_data[i], | |
2448e484 | 7815 | phba->cfg_nvmet_mrq_post, i); |
2d7dbc4c JS |
7816 | } |
7817 | } | |
7818 | ||
da0436e9 JS |
7819 | /* Post the rpi header region to the device. */ |
7820 | rc = lpfc_sli4_post_all_rpi_hdrs(phba); | |
7821 | if (unlikely(rc)) { | |
372c187b | 7822 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
da0436e9 JS |
7823 | "0393 Error %d during rpi post operation\n", |
7824 | rc); | |
7825 | rc = -ENODEV; | |
895427bd | 7826 | goto out_destroy_queue; |
da0436e9 | 7827 | } |
97f2ecf1 | 7828 | lpfc_sli4_node_prep(phba); |
da0436e9 | 7829 | |
895427bd | 7830 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
2d7dbc4c | 7831 | if ((phba->nvmet_support == 0) || (phba->cfg_nvmet_mrq == 1)) { |
895427bd JS |
7832 | /* |
7833 | * The FC Port needs to register FCFI (index 0) | |
7834 | */ | |
7835 | lpfc_reg_fcfi(phba, mboxq); | |
7836 | mboxq->vport = phba->pport; | |
7837 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7838 | if (rc != MBX_SUCCESS) | |
7839 | goto out_unset_queue; | |
7840 | rc = 0; | |
7841 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, | |
7842 | &mboxq->u.mqe.un.reg_fcfi); | |
2d7dbc4c JS |
7843 | } else { |
7844 | /* We are a NVME Target mode with MRQ > 1 */ | |
7845 | ||
7846 | /* First register the FCFI */ | |
7847 | lpfc_reg_fcfi_mrq(phba, mboxq, 0); | |
7848 | mboxq->vport = phba->pport; | |
7849 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7850 | if (rc != MBX_SUCCESS) | |
7851 | goto out_unset_queue; | |
7852 | rc = 0; | |
7853 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_mrq_fcfi, | |
7854 | &mboxq->u.mqe.un.reg_fcfi_mrq); | |
7855 | ||
7856 | /* Next register the MRQs */ | |
7857 | lpfc_reg_fcfi_mrq(phba, mboxq, 1); | |
7858 | mboxq->vport = phba->pport; | |
7859 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7860 | if (rc != MBX_SUCCESS) | |
7861 | goto out_unset_queue; | |
7862 | rc = 0; | |
895427bd JS |
7863 | } |
7864 | /* Check if the port is configured to be disabled */ | |
7865 | lpfc_sli_read_link_ste(phba); | |
da0436e9 JS |
7866 | } |
7867 | ||
c490850a JS |
7868 | /* Don't post more new bufs if repost already recovered |
7869 | * the nvme sgls. | |
7870 | */ | |
7871 | if (phba->nvmet_support == 0) { | |
7872 | if (phba->sli4_hba.io_xri_cnt == 0) { | |
7873 | len = lpfc_new_io_buf( | |
7874 | phba, phba->sli4_hba.io_xri_max); | |
7875 | if (len == 0) { | |
7876 | rc = -ENOMEM; | |
7877 | goto out_unset_queue; | |
7878 | } | |
7879 | ||
7880 | if (phba->cfg_xri_rebalancing) | |
7881 | lpfc_create_multixri_pools(phba); | |
7882 | } | |
7883 | } else { | |
7884 | phba->cfg_xri_rebalancing = 0; | |
7885 | } | |
7886 | ||
da0436e9 JS |
7887 | /* Allow asynchronous mailbox command to go through */ |
7888 | spin_lock_irq(&phba->hbalock); | |
7889 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7890 | spin_unlock_irq(&phba->hbalock); | |
7891 | ||
7892 | /* Post receive buffers to the device */ | |
7893 | lpfc_sli4_rb_setup(phba); | |
7894 | ||
fc2b989b JS |
7895 | /* Reset HBA FCF states after HBA reset */ |
7896 | phba->fcf.fcf_flag = 0; | |
7897 | phba->fcf.current_rec.flag = 0; | |
7898 | ||
da0436e9 | 7899 | /* Start the ELS watchdog timer */ |
8fa38513 | 7900 | mod_timer(&vport->els_tmofunc, |
256ec0d0 | 7901 | jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov * 2))); |
da0436e9 JS |
7902 | |
7903 | /* Start heart beat timer */ | |
7904 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 | 7905 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); |
da0436e9 JS |
7906 | phba->hb_outstanding = 0; |
7907 | phba->last_completion_time = jiffies; | |
7908 | ||
32517fc0 JS |
7909 | /* start eq_delay heartbeat */ |
7910 | if (phba->cfg_auto_imax) | |
7911 | queue_delayed_work(phba->wq, &phba->eq_delay_work, | |
7912 | msecs_to_jiffies(LPFC_EQ_DELAY_MSECS)); | |
7913 | ||
317aeb83 DK |
7914 | /* start per phba idle_stat_delay heartbeat */ |
7915 | lpfc_init_idle_stat_hb(phba); | |
7916 | ||
da0436e9 | 7917 | /* Start error attention (ERATT) polling timer */ |
256ec0d0 | 7918 | mod_timer(&phba->eratt_poll, |
65791f1f | 7919 | jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
da0436e9 | 7920 | |
75baf696 JS |
7921 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
7922 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
7923 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
7924 | if (!rc) { | |
7925 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7926 | "2829 This device supports " | |
7927 | "Advanced Error Reporting (AER)\n"); | |
7928 | spin_lock_irq(&phba->hbalock); | |
7929 | phba->hba_flag |= HBA_AER_ENABLED; | |
7930 | spin_unlock_irq(&phba->hbalock); | |
7931 | } else { | |
7932 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7933 | "2830 This device does not support " | |
7934 | "Advanced Error Reporting (AER)\n"); | |
7935 | phba->cfg_aer_support = 0; | |
7936 | } | |
0a96e975 | 7937 | rc = 0; |
75baf696 JS |
7938 | } |
7939 | ||
da0436e9 JS |
7940 | /* |
7941 | * The port is ready, set the host's link state to LINK_DOWN | |
7942 | * in preparation for link interrupts. | |
7943 | */ | |
da0436e9 JS |
7944 | spin_lock_irq(&phba->hbalock); |
7945 | phba->link_state = LPFC_LINK_DOWN; | |
1dc5ec24 JS |
7946 | |
7947 | /* Check if physical ports are trunked */ | |
7948 | if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba)) | |
7949 | phba->trunk_link.link0.state = LPFC_LINK_DOWN; | |
7950 | if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba)) | |
7951 | phba->trunk_link.link1.state = LPFC_LINK_DOWN; | |
7952 | if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba)) | |
7953 | phba->trunk_link.link2.state = LPFC_LINK_DOWN; | |
7954 | if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba)) | |
7955 | phba->trunk_link.link3.state = LPFC_LINK_DOWN; | |
da0436e9 | 7956 | spin_unlock_irq(&phba->hbalock); |
1dc5ec24 | 7957 | |
e8869f5b JS |
7958 | /* Arm the CQs and then EQs on device */ |
7959 | lpfc_sli4_arm_cqeq_intr(phba); | |
7960 | ||
7961 | /* Indicate device interrupt mode */ | |
7962 | phba->sli4_hba.intr_enable = 1; | |
7963 | ||
026abb87 JS |
7964 | if (!(phba->hba_flag & HBA_FCOE_MODE) && |
7965 | (phba->hba_flag & LINK_DISABLED)) { | |
372c187b | 7966 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
026abb87 JS |
7967 | "3103 Adapter Link is disabled.\n"); |
7968 | lpfc_down_link(phba, mboxq); | |
7969 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7970 | if (rc != MBX_SUCCESS) { | |
372c187b | 7971 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
026abb87 JS |
7972 | "3104 Adapter failed to issue " |
7973 | "DOWN_LINK mbox cmd, rc:x%x\n", rc); | |
c490850a | 7974 | goto out_io_buff_free; |
026abb87 JS |
7975 | } |
7976 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { | |
1b51197d JS |
7977 | /* don't perform init_link on SLI4 FC port loopback test */ |
7978 | if (!(phba->link_flag & LS_LOOPBACK_MODE)) { | |
7979 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
7980 | if (rc) | |
c490850a | 7981 | goto out_io_buff_free; |
1b51197d | 7982 | } |
5350d872 JS |
7983 | } |
7984 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7985 | return rc; | |
c490850a JS |
7986 | out_io_buff_free: |
7987 | /* Free allocated IO Buffers */ | |
7988 | lpfc_io_free(phba); | |
76a95d75 | 7989 | out_unset_queue: |
da0436e9 | 7990 | /* Unset all the queues set up in this routine when error out */ |
5350d872 JS |
7991 | lpfc_sli4_queue_unset(phba); |
7992 | out_destroy_queue: | |
6c621a22 | 7993 | lpfc_free_iocb_list(phba); |
5350d872 | 7994 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 7995 | out_stop_timers: |
5350d872 | 7996 | lpfc_stop_hba_timers(phba); |
da0436e9 JS |
7997 | out_free_mbox: |
7998 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7999 | return rc; | |
8000 | } | |
8001 | ||
8002 | /** | |
8003 | * lpfc_mbox_timeout - Timeout call back function for mbox timer | |
7af29d45 | 8004 | * @t: Context to fetch pointer to hba structure from. |
da0436e9 JS |
8005 | * |
8006 | * This is the callback function for mailbox timer. The mailbox | |
8007 | * timer is armed when a new mailbox command is issued and the timer | |
8008 | * is deleted when the mailbox complete. The function is called by | |
8009 | * the kernel timer code when a mailbox does not complete within | |
8010 | * expected time. This function wakes up the worker thread to | |
8011 | * process the mailbox timeout and returns. All the processing is | |
8012 | * done by the worker thread function lpfc_mbox_timeout_handler. | |
8013 | **/ | |
8014 | void | |
f22eb4d3 | 8015 | lpfc_mbox_timeout(struct timer_list *t) |
da0436e9 | 8016 | { |
f22eb4d3 | 8017 | struct lpfc_hba *phba = from_timer(phba, t, sli.mbox_tmo); |
da0436e9 JS |
8018 | unsigned long iflag; |
8019 | uint32_t tmo_posted; | |
8020 | ||
8021 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
8022 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; | |
8023 | if (!tmo_posted) | |
8024 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
8025 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
8026 | ||
8027 | if (!tmo_posted) | |
8028 | lpfc_worker_wake_up(phba); | |
8029 | return; | |
8030 | } | |
8031 | ||
e8d3c3b1 JS |
8032 | /** |
8033 | * lpfc_sli4_mbox_completions_pending - check to see if any mailbox completions | |
8034 | * are pending | |
8035 | * @phba: Pointer to HBA context object. | |
8036 | * | |
8037 | * This function checks if any mailbox completions are present on the mailbox | |
8038 | * completion queue. | |
8039 | **/ | |
3bb11fc5 | 8040 | static bool |
e8d3c3b1 JS |
8041 | lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba) |
8042 | { | |
8043 | ||
8044 | uint32_t idx; | |
8045 | struct lpfc_queue *mcq; | |
8046 | struct lpfc_mcqe *mcqe; | |
8047 | bool pending_completions = false; | |
7365f6fd | 8048 | uint8_t qe_valid; |
e8d3c3b1 JS |
8049 | |
8050 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
8051 | return false; | |
8052 | ||
8053 | /* Check for completions on mailbox completion queue */ | |
8054 | ||
8055 | mcq = phba->sli4_hba.mbx_cq; | |
8056 | idx = mcq->hba_index; | |
7365f6fd | 8057 | qe_valid = mcq->qe_valid; |
9afbee3d JS |
8058 | while (bf_get_le32(lpfc_cqe_valid, |
8059 | (struct lpfc_cqe *)lpfc_sli4_qe(mcq, idx)) == qe_valid) { | |
8060 | mcqe = (struct lpfc_mcqe *)(lpfc_sli4_qe(mcq, idx)); | |
e8d3c3b1 JS |
8061 | if (bf_get_le32(lpfc_trailer_completed, mcqe) && |
8062 | (!bf_get_le32(lpfc_trailer_async, mcqe))) { | |
8063 | pending_completions = true; | |
8064 | break; | |
8065 | } | |
8066 | idx = (idx + 1) % mcq->entry_count; | |
8067 | if (mcq->hba_index == idx) | |
8068 | break; | |
7365f6fd JS |
8069 | |
8070 | /* if the index wrapped around, toggle the valid bit */ | |
8071 | if (phba->sli4_hba.pc_sli4_params.cqav && !idx) | |
8072 | qe_valid = (qe_valid) ? 0 : 1; | |
e8d3c3b1 JS |
8073 | } |
8074 | return pending_completions; | |
8075 | ||
8076 | } | |
8077 | ||
8078 | /** | |
8079 | * lpfc_sli4_process_missed_mbox_completions - process mbox completions | |
8080 | * that were missed. | |
8081 | * @phba: Pointer to HBA context object. | |
8082 | * | |
8083 | * For sli4, it is possible to miss an interrupt. As such mbox completions | |
8084 | * maybe missed causing erroneous mailbox timeouts to occur. This function | |
8085 | * checks to see if mbox completions are on the mailbox completion queue | |
8086 | * and will process all the completions associated with the eq for the | |
8087 | * mailbox completion queue. | |
8088 | **/ | |
d7b761b0 | 8089 | static bool |
e8d3c3b1 JS |
8090 | lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba) |
8091 | { | |
b71413dd | 8092 | struct lpfc_sli4_hba *sli4_hba = &phba->sli4_hba; |
e8d3c3b1 JS |
8093 | uint32_t eqidx; |
8094 | struct lpfc_queue *fpeq = NULL; | |
657add4e | 8095 | struct lpfc_queue *eq; |
e8d3c3b1 JS |
8096 | bool mbox_pending; |
8097 | ||
8098 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
8099 | return false; | |
8100 | ||
657add4e JS |
8101 | /* Find the EQ associated with the mbox CQ */ |
8102 | if (sli4_hba->hdwq) { | |
8103 | for (eqidx = 0; eqidx < phba->cfg_irq_chann; eqidx++) { | |
8104 | eq = phba->sli4_hba.hba_eq_hdl[eqidx].eq; | |
535fb49e | 8105 | if (eq && eq->queue_id == sli4_hba->mbx_cq->assoc_qid) { |
657add4e | 8106 | fpeq = eq; |
e8d3c3b1 JS |
8107 | break; |
8108 | } | |
657add4e JS |
8109 | } |
8110 | } | |
e8d3c3b1 JS |
8111 | if (!fpeq) |
8112 | return false; | |
8113 | ||
8114 | /* Turn off interrupts from this EQ */ | |
8115 | ||
b71413dd | 8116 | sli4_hba->sli4_eq_clr_intr(fpeq); |
e8d3c3b1 JS |
8117 | |
8118 | /* Check to see if a mbox completion is pending */ | |
8119 | ||
8120 | mbox_pending = lpfc_sli4_mbox_completions_pending(phba); | |
8121 | ||
8122 | /* | |
8123 | * If a mbox completion is pending, process all the events on EQ | |
8124 | * associated with the mbox completion queue (this could include | |
8125 | * mailbox commands, async events, els commands, receive queue data | |
8126 | * and fcp commands) | |
8127 | */ | |
8128 | ||
8129 | if (mbox_pending) | |
32517fc0 | 8130 | /* process and rearm the EQ */ |
93a4d6f4 | 8131 | lpfc_sli4_process_eq(phba, fpeq, LPFC_QUEUE_REARM); |
32517fc0 JS |
8132 | else |
8133 | /* Always clear and re-arm the EQ */ | |
8134 | sli4_hba->sli4_write_eq_db(phba, fpeq, 0, LPFC_QUEUE_REARM); | |
e8d3c3b1 JS |
8135 | |
8136 | return mbox_pending; | |
8137 | ||
8138 | } | |
da0436e9 JS |
8139 | |
8140 | /** | |
8141 | * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout | |
8142 | * @phba: Pointer to HBA context object. | |
8143 | * | |
8144 | * This function is called from worker thread when a mailbox command times out. | |
8145 | * The caller is not required to hold any locks. This function will reset the | |
8146 | * HBA and recover all the pending commands. | |
8147 | **/ | |
8148 | void | |
8149 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
8150 | { | |
8151 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; | |
eb016566 JS |
8152 | MAILBOX_t *mb = NULL; |
8153 | ||
da0436e9 | 8154 | struct lpfc_sli *psli = &phba->sli; |
da0436e9 | 8155 | |
e8d3c3b1 JS |
8156 | /* If the mailbox completed, process the completion and return */ |
8157 | if (lpfc_sli4_process_missed_mbox_completions(phba)) | |
8158 | return; | |
8159 | ||
eb016566 JS |
8160 | if (pmbox != NULL) |
8161 | mb = &pmbox->u.mb; | |
da0436e9 JS |
8162 | /* Check the pmbox pointer first. There is a race condition |
8163 | * between the mbox timeout handler getting executed in the | |
8164 | * worklist and the mailbox actually completing. When this | |
8165 | * race condition occurs, the mbox_active will be NULL. | |
8166 | */ | |
8167 | spin_lock_irq(&phba->hbalock); | |
8168 | if (pmbox == NULL) { | |
8169 | lpfc_printf_log(phba, KERN_WARNING, | |
8170 | LOG_MBOX | LOG_SLI, | |
8171 | "0353 Active Mailbox cleared - mailbox timeout " | |
8172 | "exiting\n"); | |
8173 | spin_unlock_irq(&phba->hbalock); | |
8174 | return; | |
8175 | } | |
8176 | ||
8177 | /* Mbox cmd <mbxCommand> timeout */ | |
372c187b | 8178 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
32350664 | 8179 | "0310 Mailbox command x%x timeout Data: x%x x%x x%px\n", |
da0436e9 JS |
8180 | mb->mbxCommand, |
8181 | phba->pport->port_state, | |
8182 | phba->sli.sli_flag, | |
8183 | phba->sli.mbox_active); | |
8184 | spin_unlock_irq(&phba->hbalock); | |
8185 | ||
8186 | /* Setting state unknown so lpfc_sli_abort_iocb_ring | |
8187 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
25985edc | 8188 | * it to fail all outstanding SCSI IO. |
da0436e9 JS |
8189 | */ |
8190 | spin_lock_irq(&phba->pport->work_port_lock); | |
8191 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
8192 | spin_unlock_irq(&phba->pport->work_port_lock); | |
8193 | spin_lock_irq(&phba->hbalock); | |
8194 | phba->link_state = LPFC_LINK_UNKNOWN; | |
f4b4c68f | 8195 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
da0436e9 JS |
8196 | spin_unlock_irq(&phba->hbalock); |
8197 | ||
db55fba8 | 8198 | lpfc_sli_abort_fcp_rings(phba); |
da0436e9 | 8199 | |
372c187b | 8200 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
da0436e9 JS |
8201 | "0345 Resetting board due to mailbox timeout\n"); |
8202 | ||
8203 | /* Reset the HBA device */ | |
8204 | lpfc_reset_hba(phba); | |
8205 | } | |
8206 | ||
8207 | /** | |
8208 | * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware | |
8209 | * @phba: Pointer to HBA context object. | |
8210 | * @pmbox: Pointer to mailbox object. | |
8211 | * @flag: Flag indicating how the mailbox need to be processed. | |
8212 | * | |
8213 | * This function is called by discovery code and HBA management code | |
8214 | * to submit a mailbox command to firmware with SLI-3 interface spec. This | |
8215 | * function gets the hbalock to protect the data structures. | |
8216 | * The mailbox command can be submitted in polling mode, in which case | |
8217 | * this function will wait in a polling loop for the completion of the | |
8218 | * mailbox. | |
8219 | * If the mailbox is submitted in no_wait mode (not polling) the | |
8220 | * function will submit the command and returns immediately without waiting | |
8221 | * for the mailbox completion. The no_wait is supported only when HBA | |
8222 | * is in SLI2/SLI3 mode - interrupts are enabled. | |
8223 | * The SLI interface allows only one mailbox pending at a time. If the | |
8224 | * mailbox is issued in polling mode and there is already a mailbox | |
8225 | * pending, then the function will return an error. If the mailbox is issued | |
8226 | * in NO_WAIT mode and there is a mailbox pending already, the function | |
8227 | * will return MBX_BUSY after queuing the mailbox into mailbox queue. | |
8228 | * The sli layer owns the mailbox object until the completion of mailbox | |
8229 | * command if this function return MBX_BUSY or MBX_SUCCESS. For all other | |
8230 | * return codes the caller owns the mailbox command after the return of | |
8231 | * the function. | |
e59058c4 | 8232 | **/ |
3772a991 JS |
8233 | static int |
8234 | lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, | |
8235 | uint32_t flag) | |
dea3101e | 8236 | { |
bf07bdea | 8237 | MAILBOX_t *mbx; |
2e0fef85 | 8238 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 8239 | uint32_t status, evtctr; |
9940b97b | 8240 | uint32_t ha_copy, hc_copy; |
dea3101e | 8241 | int i; |
09372820 | 8242 | unsigned long timeout; |
dea3101e | 8243 | unsigned long drvr_flag = 0; |
34b02dcd | 8244 | uint32_t word0, ldata; |
dea3101e | 8245 | void __iomem *to_slim; |
58da1ffb JS |
8246 | int processing_queue = 0; |
8247 | ||
8248 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
8249 | if (!pmbox) { | |
8568a4d2 | 8250 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
58da1ffb | 8251 | /* processing mbox queue from intr_handler */ |
3772a991 JS |
8252 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { |
8253 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8254 | return MBX_SUCCESS; | |
8255 | } | |
58da1ffb | 8256 | processing_queue = 1; |
58da1ffb JS |
8257 | pmbox = lpfc_mbox_get(phba); |
8258 | if (!pmbox) { | |
8259 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8260 | return MBX_SUCCESS; | |
8261 | } | |
8262 | } | |
dea3101e | 8263 | |
ed957684 | 8264 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 8265 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 | 8266 | if(!pmbox->vport) { |
58da1ffb | 8267 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
ed957684 | 8268 | lpfc_printf_log(phba, KERN_ERR, |
92d7f7b0 | 8269 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 8270 | "1806 Mbox x%x failed. No vport\n", |
3772a991 | 8271 | pmbox->u.mb.mbxCommand); |
ed957684 | 8272 | dump_stack(); |
58da1ffb | 8273 | goto out_not_finished; |
ed957684 JS |
8274 | } |
8275 | } | |
8276 | ||
8d63f375 | 8277 | /* If the PCI channel is in offline state, do not post mbox. */ |
58da1ffb JS |
8278 | if (unlikely(pci_channel_offline(phba->pcidev))) { |
8279 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8280 | goto out_not_finished; | |
8281 | } | |
8d63f375 | 8282 | |
a257bf90 JS |
8283 | /* If HBA has a deferred error attention, fail the iocb. */ |
8284 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
8285 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8286 | goto out_not_finished; | |
8287 | } | |
8288 | ||
dea3101e | 8289 | psli = &phba->sli; |
92d7f7b0 | 8290 | |
bf07bdea | 8291 | mbx = &pmbox->u.mb; |
dea3101e JB |
8292 | status = MBX_SUCCESS; |
8293 | ||
2e0fef85 JS |
8294 | if (phba->link_state == LPFC_HBA_ERROR) { |
8295 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
8296 | |
8297 | /* Mbox command <mbxCommand> cannot issue */ | |
372c187b | 8298 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3772a991 JS |
8299 | "(%d):0311 Mailbox command x%x cannot " |
8300 | "issue Data: x%x x%x\n", | |
8301 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8302 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
58da1ffb | 8303 | goto out_not_finished; |
41415862 JW |
8304 | } |
8305 | ||
bf07bdea | 8306 | if (mbx->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT) { |
9940b97b JS |
8307 | if (lpfc_readl(phba->HCregaddr, &hc_copy) || |
8308 | !(hc_copy & HC_MBINT_ENA)) { | |
8309 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
372c187b | 8310 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3772a991 JS |
8311 | "(%d):2528 Mailbox command x%x cannot " |
8312 | "issue Data: x%x x%x\n", | |
8313 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8314 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
9940b97b JS |
8315 | goto out_not_finished; |
8316 | } | |
9290831f JS |
8317 | } |
8318 | ||
dea3101e JB |
8319 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
8320 | /* Polling for a mbox command when another one is already active | |
8321 | * is not allowed in SLI. Also, the driver must have established | |
8322 | * SLI2 mode to queue and process multiple mbox commands. | |
8323 | */ | |
8324 | ||
8325 | if (flag & MBX_POLL) { | |
2e0fef85 | 8326 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
8327 | |
8328 | /* Mbox command <mbxCommand> cannot issue */ | |
372c187b | 8329 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3772a991 JS |
8330 | "(%d):2529 Mailbox command x%x " |
8331 | "cannot issue Data: x%x x%x\n", | |
8332 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8333 | pmbox->u.mb.mbxCommand, | |
8334 | psli->sli_flag, flag); | |
58da1ffb | 8335 | goto out_not_finished; |
dea3101e JB |
8336 | } |
8337 | ||
3772a991 | 8338 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE)) { |
2e0fef85 | 8339 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8340 | /* Mbox command <mbxCommand> cannot issue */ |
372c187b | 8341 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3772a991 JS |
8342 | "(%d):2530 Mailbox command x%x " |
8343 | "cannot issue Data: x%x x%x\n", | |
8344 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8345 | pmbox->u.mb.mbxCommand, | |
8346 | psli->sli_flag, flag); | |
58da1ffb | 8347 | goto out_not_finished; |
dea3101e JB |
8348 | } |
8349 | ||
dea3101e JB |
8350 | /* Another mailbox command is still being processed, queue this |
8351 | * command to be processed later. | |
8352 | */ | |
8353 | lpfc_mbox_put(phba, pmbox); | |
8354 | ||
8355 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 8356 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 8357 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 8358 | "x%x x%x x%x x%x\n", |
92d7f7b0 | 8359 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
e92974f6 JS |
8360 | mbx->mbxCommand, |
8361 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 8362 | psli->sli_flag, flag); |
dea3101e JB |
8363 | |
8364 | psli->slistat.mbox_busy++; | |
2e0fef85 | 8365 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8366 | |
858c9f6c JS |
8367 | if (pmbox->vport) { |
8368 | lpfc_debugfs_disc_trc(pmbox->vport, | |
8369 | LPFC_DISC_TRC_MBOX_VPORT, | |
8370 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8371 | (uint32_t)mbx->mbxCommand, |
8372 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8373 | } |
8374 | else { | |
8375 | lpfc_debugfs_disc_trc(phba->pport, | |
8376 | LPFC_DISC_TRC_MBOX, | |
8377 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8378 | (uint32_t)mbx->mbxCommand, |
8379 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8380 | } |
8381 | ||
2e0fef85 | 8382 | return MBX_BUSY; |
dea3101e JB |
8383 | } |
8384 | ||
dea3101e JB |
8385 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
8386 | ||
8387 | /* If we are not polling, we MUST be in SLI2 mode */ | |
8388 | if (flag != MBX_POLL) { | |
3772a991 | 8389 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE) && |
bf07bdea | 8390 | (mbx->mbxCommand != MBX_KILL_BOARD)) { |
dea3101e | 8391 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 8392 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8393 | /* Mbox command <mbxCommand> cannot issue */ |
372c187b | 8394 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3772a991 JS |
8395 | "(%d):2531 Mailbox command x%x " |
8396 | "cannot issue Data: x%x x%x\n", | |
8397 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8398 | pmbox->u.mb.mbxCommand, | |
8399 | psli->sli_flag, flag); | |
58da1ffb | 8400 | goto out_not_finished; |
dea3101e JB |
8401 | } |
8402 | /* timeout active mbox command */ | |
256ec0d0 JS |
8403 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
8404 | 1000); | |
8405 | mod_timer(&psli->mbox_tmo, jiffies + timeout); | |
dea3101e JB |
8406 | } |
8407 | ||
8408 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 8409 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 8410 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 8411 | "x%x\n", |
e8b62011 | 8412 | pmbox->vport ? pmbox->vport->vpi : 0, |
e92974f6 JS |
8413 | mbx->mbxCommand, |
8414 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 8415 | psli->sli_flag, flag); |
dea3101e | 8416 | |
bf07bdea | 8417 | if (mbx->mbxCommand != MBX_HEARTBEAT) { |
858c9f6c JS |
8418 | if (pmbox->vport) { |
8419 | lpfc_debugfs_disc_trc(pmbox->vport, | |
8420 | LPFC_DISC_TRC_MBOX_VPORT, | |
8421 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8422 | (uint32_t)mbx->mbxCommand, |
8423 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8424 | } |
8425 | else { | |
8426 | lpfc_debugfs_disc_trc(phba->pport, | |
8427 | LPFC_DISC_TRC_MBOX, | |
8428 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8429 | (uint32_t)mbx->mbxCommand, |
8430 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8431 | } |
8432 | } | |
8433 | ||
dea3101e JB |
8434 | psli->slistat.mbox_cmd++; |
8435 | evtctr = psli->slistat.mbox_event; | |
8436 | ||
8437 | /* next set own bit for the adapter and copy over command word */ | |
bf07bdea | 8438 | mbx->mbxOwner = OWN_CHIP; |
dea3101e | 8439 | |
3772a991 | 8440 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
7a470277 JS |
8441 | /* Populate mbox extension offset word. */ |
8442 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) { | |
bf07bdea | 8443 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
8444 | = (uint8_t *)phba->mbox_ext |
8445 | - (uint8_t *)phba->mbox; | |
8446 | } | |
8447 | ||
8448 | /* Copy the mailbox extension data */ | |
3e1f0718 JS |
8449 | if (pmbox->in_ext_byte_len && pmbox->ctx_buf) { |
8450 | lpfc_sli_pcimem_bcopy(pmbox->ctx_buf, | |
8451 | (uint8_t *)phba->mbox_ext, | |
8452 | pmbox->in_ext_byte_len); | |
7a470277 JS |
8453 | } |
8454 | /* Copy command data to host SLIM area */ | |
bf07bdea | 8455 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, MAILBOX_CMD_SIZE); |
dea3101e | 8456 | } else { |
7a470277 JS |
8457 | /* Populate mbox extension offset word. */ |
8458 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) | |
bf07bdea | 8459 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
8460 | = MAILBOX_HBA_EXT_OFFSET; |
8461 | ||
8462 | /* Copy the mailbox extension data */ | |
3e1f0718 | 8463 | if (pmbox->in_ext_byte_len && pmbox->ctx_buf) |
7a470277 JS |
8464 | lpfc_memcpy_to_slim(phba->MBslimaddr + |
8465 | MAILBOX_HBA_EXT_OFFSET, | |
3e1f0718 | 8466 | pmbox->ctx_buf, pmbox->in_ext_byte_len); |
7a470277 | 8467 | |
895427bd | 8468 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 8469 | /* copy command data into host mbox for cmpl */ |
895427bd JS |
8470 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, |
8471 | MAILBOX_CMD_SIZE); | |
dea3101e JB |
8472 | |
8473 | /* First copy mbox command data to HBA SLIM, skip past first | |
8474 | word */ | |
8475 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
bf07bdea | 8476 | lpfc_memcpy_to_slim(to_slim, &mbx->un.varWords[0], |
dea3101e JB |
8477 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
8478 | ||
8479 | /* Next copy over first word, with mbxOwner set */ | |
bf07bdea | 8480 | ldata = *((uint32_t *)mbx); |
dea3101e JB |
8481 | to_slim = phba->MBslimaddr; |
8482 | writel(ldata, to_slim); | |
8483 | readl(to_slim); /* flush */ | |
8484 | ||
895427bd | 8485 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 8486 | /* switch over to host mailbox */ |
3772a991 | 8487 | psli->sli_flag |= LPFC_SLI_ACTIVE; |
dea3101e JB |
8488 | } |
8489 | ||
8490 | wmb(); | |
dea3101e JB |
8491 | |
8492 | switch (flag) { | |
8493 | case MBX_NOWAIT: | |
09372820 | 8494 | /* Set up reference to mailbox command */ |
dea3101e | 8495 | psli->mbox_active = pmbox; |
09372820 JS |
8496 | /* Interrupt board to do it */ |
8497 | writel(CA_MBATT, phba->CAregaddr); | |
8498 | readl(phba->CAregaddr); /* flush */ | |
8499 | /* Don't wait for it to finish, just return */ | |
dea3101e JB |
8500 | break; |
8501 | ||
8502 | case MBX_POLL: | |
09372820 | 8503 | /* Set up null reference to mailbox command */ |
dea3101e | 8504 | psli->mbox_active = NULL; |
09372820 JS |
8505 | /* Interrupt board to do it */ |
8506 | writel(CA_MBATT, phba->CAregaddr); | |
8507 | readl(phba->CAregaddr); /* flush */ | |
8508 | ||
3772a991 | 8509 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8510 | /* First read mbox status word */ |
34b02dcd | 8511 | word0 = *((uint32_t *)phba->mbox); |
dea3101e JB |
8512 | word0 = le32_to_cpu(word0); |
8513 | } else { | |
8514 | /* First read mbox status word */ | |
9940b97b JS |
8515 | if (lpfc_readl(phba->MBslimaddr, &word0)) { |
8516 | spin_unlock_irqrestore(&phba->hbalock, | |
8517 | drvr_flag); | |
8518 | goto out_not_finished; | |
8519 | } | |
dea3101e JB |
8520 | } |
8521 | ||
8522 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
8523 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
8524 | spin_unlock_irqrestore(&phba->hbalock, | |
8525 | drvr_flag); | |
8526 | goto out_not_finished; | |
8527 | } | |
a183a15f JS |
8528 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
8529 | 1000) + jiffies; | |
09372820 | 8530 | i = 0; |
dea3101e | 8531 | /* Wait for command to complete */ |
41415862 JW |
8532 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
8533 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 8534 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 8535 | if (time_after(jiffies, timeout)) { |
dea3101e | 8536 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 8537 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 8538 | drvr_flag); |
58da1ffb | 8539 | goto out_not_finished; |
dea3101e JB |
8540 | } |
8541 | ||
8542 | /* Check if we took a mbox interrupt while we were | |
8543 | polling */ | |
8544 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
8545 | && (evtctr != psli->slistat.mbox_event)) | |
8546 | break; | |
8547 | ||
09372820 JS |
8548 | if (i++ > 10) { |
8549 | spin_unlock_irqrestore(&phba->hbalock, | |
8550 | drvr_flag); | |
8551 | msleep(1); | |
8552 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
8553 | } | |
dea3101e | 8554 | |
3772a991 | 8555 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8556 | /* First copy command data */ |
34b02dcd | 8557 | word0 = *((uint32_t *)phba->mbox); |
dea3101e | 8558 | word0 = le32_to_cpu(word0); |
bf07bdea | 8559 | if (mbx->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 8560 | MAILBOX_t *slimmb; |
34b02dcd | 8561 | uint32_t slimword0; |
dea3101e JB |
8562 | /* Check real SLIM for any errors */ |
8563 | slimword0 = readl(phba->MBslimaddr); | |
8564 | slimmb = (MAILBOX_t *) & slimword0; | |
8565 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
8566 | && slimmb->mbxStatus) { | |
8567 | psli->sli_flag &= | |
3772a991 | 8568 | ~LPFC_SLI_ACTIVE; |
dea3101e JB |
8569 | word0 = slimword0; |
8570 | } | |
8571 | } | |
8572 | } else { | |
8573 | /* First copy command data */ | |
8574 | word0 = readl(phba->MBslimaddr); | |
8575 | } | |
8576 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
8577 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
8578 | spin_unlock_irqrestore(&phba->hbalock, | |
8579 | drvr_flag); | |
8580 | goto out_not_finished; | |
8581 | } | |
dea3101e JB |
8582 | } |
8583 | ||
3772a991 | 8584 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8585 | /* copy results back to user */ |
2ea259ee JS |
8586 | lpfc_sli_pcimem_bcopy(phba->mbox, mbx, |
8587 | MAILBOX_CMD_SIZE); | |
7a470277 | 8588 | /* Copy the mailbox extension data */ |
3e1f0718 | 8589 | if (pmbox->out_ext_byte_len && pmbox->ctx_buf) { |
7a470277 | 8590 | lpfc_sli_pcimem_bcopy(phba->mbox_ext, |
3e1f0718 | 8591 | pmbox->ctx_buf, |
7a470277 JS |
8592 | pmbox->out_ext_byte_len); |
8593 | } | |
dea3101e JB |
8594 | } else { |
8595 | /* First copy command data */ | |
bf07bdea | 8596 | lpfc_memcpy_from_slim(mbx, phba->MBslimaddr, |
2ea259ee | 8597 | MAILBOX_CMD_SIZE); |
7a470277 | 8598 | /* Copy the mailbox extension data */ |
3e1f0718 JS |
8599 | if (pmbox->out_ext_byte_len && pmbox->ctx_buf) { |
8600 | lpfc_memcpy_from_slim( | |
8601 | pmbox->ctx_buf, | |
7a470277 JS |
8602 | phba->MBslimaddr + |
8603 | MAILBOX_HBA_EXT_OFFSET, | |
8604 | pmbox->out_ext_byte_len); | |
dea3101e JB |
8605 | } |
8606 | } | |
8607 | ||
8608 | writel(HA_MBATT, phba->HAregaddr); | |
8609 | readl(phba->HAregaddr); /* flush */ | |
8610 | ||
8611 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
bf07bdea | 8612 | status = mbx->mbxStatus; |
dea3101e JB |
8613 | } |
8614 | ||
2e0fef85 JS |
8615 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
8616 | return status; | |
58da1ffb JS |
8617 | |
8618 | out_not_finished: | |
8619 | if (processing_queue) { | |
da0436e9 | 8620 | pmbox->u.mb.mbxStatus = MBX_NOT_FINISHED; |
58da1ffb JS |
8621 | lpfc_mbox_cmpl_put(phba, pmbox); |
8622 | } | |
8623 | return MBX_NOT_FINISHED; | |
dea3101e JB |
8624 | } |
8625 | ||
f1126688 JS |
8626 | /** |
8627 | * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command | |
8628 | * @phba: Pointer to HBA context object. | |
8629 | * | |
8630 | * The function blocks the posting of SLI4 asynchronous mailbox commands from | |
8631 | * the driver internal pending mailbox queue. It will then try to wait out the | |
8632 | * possible outstanding mailbox command before return. | |
8633 | * | |
8634 | * Returns: | |
8635 | * 0 - the outstanding mailbox command completed; otherwise, the wait for | |
8636 | * the outstanding mailbox command timed out. | |
8637 | **/ | |
8638 | static int | |
8639 | lpfc_sli4_async_mbox_block(struct lpfc_hba *phba) | |
8640 | { | |
8641 | struct lpfc_sli *psli = &phba->sli; | |
f1126688 | 8642 | int rc = 0; |
a183a15f | 8643 | unsigned long timeout = 0; |
f1126688 JS |
8644 | |
8645 | /* Mark the asynchronous mailbox command posting as blocked */ | |
8646 | spin_lock_irq(&phba->hbalock); | |
8647 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
f1126688 JS |
8648 | /* Determine how long we might wait for the active mailbox |
8649 | * command to be gracefully completed by firmware. | |
8650 | */ | |
a183a15f JS |
8651 | if (phba->sli.mbox_active) |
8652 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
8653 | phba->sli.mbox_active) * | |
8654 | 1000) + jiffies; | |
8655 | spin_unlock_irq(&phba->hbalock); | |
8656 | ||
e8d3c3b1 JS |
8657 | /* Make sure the mailbox is really active */ |
8658 | if (timeout) | |
8659 | lpfc_sli4_process_missed_mbox_completions(phba); | |
8660 | ||
f1126688 JS |
8661 | /* Wait for the outstnading mailbox command to complete */ |
8662 | while (phba->sli.mbox_active) { | |
8663 | /* Check active mailbox complete status every 2ms */ | |
8664 | msleep(2); | |
8665 | if (time_after(jiffies, timeout)) { | |
8666 | /* Timeout, marked the outstanding cmd not complete */ | |
8667 | rc = 1; | |
8668 | break; | |
8669 | } | |
8670 | } | |
8671 | ||
8672 | /* Can not cleanly block async mailbox command, fails it */ | |
8673 | if (rc) { | |
8674 | spin_lock_irq(&phba->hbalock); | |
8675 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
8676 | spin_unlock_irq(&phba->hbalock); | |
8677 | } | |
8678 | return rc; | |
8679 | } | |
8680 | ||
8681 | /** | |
8682 | * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command | |
8683 | * @phba: Pointer to HBA context object. | |
8684 | * | |
8685 | * The function unblocks and resume posting of SLI4 asynchronous mailbox | |
8686 | * commands from the driver internal pending mailbox queue. It makes sure | |
8687 | * that there is no outstanding mailbox command before resuming posting | |
8688 | * asynchronous mailbox commands. If, for any reason, there is outstanding | |
8689 | * mailbox command, it will try to wait it out before resuming asynchronous | |
8690 | * mailbox command posting. | |
8691 | **/ | |
8692 | static void | |
8693 | lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba) | |
8694 | { | |
8695 | struct lpfc_sli *psli = &phba->sli; | |
8696 | ||
8697 | spin_lock_irq(&phba->hbalock); | |
8698 | if (!(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
8699 | /* Asynchronous mailbox posting is not blocked, do nothing */ | |
8700 | spin_unlock_irq(&phba->hbalock); | |
8701 | return; | |
8702 | } | |
8703 | ||
8704 | /* Outstanding synchronous mailbox command is guaranteed to be done, | |
8705 | * successful or timeout, after timing-out the outstanding mailbox | |
8706 | * command shall always be removed, so just unblock posting async | |
8707 | * mailbox command and resume | |
8708 | */ | |
8709 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
8710 | spin_unlock_irq(&phba->hbalock); | |
8711 | ||
291c2548 | 8712 | /* wake up worker thread to post asynchronous mailbox command */ |
f1126688 JS |
8713 | lpfc_worker_wake_up(phba); |
8714 | } | |
8715 | ||
2d843edc JS |
8716 | /** |
8717 | * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready | |
8718 | * @phba: Pointer to HBA context object. | |
8719 | * @mboxq: Pointer to mailbox object. | |
8720 | * | |
8721 | * The function waits for the bootstrap mailbox register ready bit from | |
8722 | * port for twice the regular mailbox command timeout value. | |
8723 | * | |
8724 | * 0 - no timeout on waiting for bootstrap mailbox register ready. | |
8725 | * MBXERR_ERROR - wait for bootstrap mailbox register timed out. | |
8726 | **/ | |
8727 | static int | |
8728 | lpfc_sli4_wait_bmbx_ready(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8729 | { | |
8730 | uint32_t db_ready; | |
8731 | unsigned long timeout; | |
8732 | struct lpfc_register bmbx_reg; | |
8733 | ||
8734 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq) | |
8735 | * 1000) + jiffies; | |
8736 | ||
8737 | do { | |
8738 | bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr); | |
8739 | db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg); | |
8740 | if (!db_ready) | |
e2ffe4d5 | 8741 | mdelay(2); |
2d843edc JS |
8742 | |
8743 | if (time_after(jiffies, timeout)) | |
8744 | return MBXERR_ERROR; | |
8745 | } while (!db_ready); | |
8746 | ||
8747 | return 0; | |
8748 | } | |
8749 | ||
da0436e9 JS |
8750 | /** |
8751 | * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox | |
8752 | * @phba: Pointer to HBA context object. | |
8753 | * @mboxq: Pointer to mailbox object. | |
8754 | * | |
8755 | * The function posts a mailbox to the port. The mailbox is expected | |
8756 | * to be comletely filled in and ready for the port to operate on it. | |
8757 | * This routine executes a synchronous completion operation on the | |
8758 | * mailbox by polling for its completion. | |
8759 | * | |
8760 | * The caller must not be holding any locks when calling this routine. | |
8761 | * | |
8762 | * Returns: | |
8763 | * MBX_SUCCESS - mailbox posted successfully | |
8764 | * Any of the MBX error values. | |
8765 | **/ | |
8766 | static int | |
8767 | lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8768 | { | |
8769 | int rc = MBX_SUCCESS; | |
8770 | unsigned long iflag; | |
da0436e9 JS |
8771 | uint32_t mcqe_status; |
8772 | uint32_t mbx_cmnd; | |
da0436e9 JS |
8773 | struct lpfc_sli *psli = &phba->sli; |
8774 | struct lpfc_mqe *mb = &mboxq->u.mqe; | |
8775 | struct lpfc_bmbx_create *mbox_rgn; | |
8776 | struct dma_address *dma_address; | |
da0436e9 JS |
8777 | |
8778 | /* | |
8779 | * Only one mailbox can be active to the bootstrap mailbox region | |
8780 | * at a time and there is no queueing provided. | |
8781 | */ | |
8782 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8783 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8784 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
372c187b | 8785 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
a183a15f | 8786 | "(%d):2532 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8787 | "cannot issue Data: x%x x%x\n", |
8788 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8789 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8790 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8791 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8792 | psli->sli_flag, MBX_POLL); |
8793 | return MBXERR_ERROR; | |
8794 | } | |
8795 | /* The server grabs the token and owns it until release */ | |
8796 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
8797 | phba->sli.mbox_active = mboxq; | |
8798 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8799 | ||
2d843edc JS |
8800 | /* wait for bootstrap mbox register for readyness */ |
8801 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8802 | if (rc) | |
8803 | goto exit; | |
da0436e9 JS |
8804 | /* |
8805 | * Initialize the bootstrap memory region to avoid stale data areas | |
8806 | * in the mailbox post. Then copy the caller's mailbox contents to | |
8807 | * the bmbx mailbox region. | |
8808 | */ | |
8809 | mbx_cmnd = bf_get(lpfc_mqe_command, mb); | |
8810 | memset(phba->sli4_hba.bmbx.avirt, 0, sizeof(struct lpfc_bmbx_create)); | |
48f8fdb4 JS |
8811 | lpfc_sli4_pcimem_bcopy(mb, phba->sli4_hba.bmbx.avirt, |
8812 | sizeof(struct lpfc_mqe)); | |
da0436e9 JS |
8813 | |
8814 | /* Post the high mailbox dma address to the port and wait for ready. */ | |
8815 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
8816 | writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr); | |
8817 | ||
2d843edc JS |
8818 | /* wait for bootstrap mbox register for hi-address write done */ |
8819 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8820 | if (rc) | |
8821 | goto exit; | |
da0436e9 JS |
8822 | |
8823 | /* Post the low mailbox dma address to the port. */ | |
8824 | writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr); | |
da0436e9 | 8825 | |
2d843edc JS |
8826 | /* wait for bootstrap mbox register for low address write done */ |
8827 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8828 | if (rc) | |
8829 | goto exit; | |
da0436e9 JS |
8830 | |
8831 | /* | |
8832 | * Read the CQ to ensure the mailbox has completed. | |
8833 | * If so, update the mailbox status so that the upper layers | |
8834 | * can complete the request normally. | |
8835 | */ | |
48f8fdb4 JS |
8836 | lpfc_sli4_pcimem_bcopy(phba->sli4_hba.bmbx.avirt, mb, |
8837 | sizeof(struct lpfc_mqe)); | |
da0436e9 | 8838 | mbox_rgn = (struct lpfc_bmbx_create *) phba->sli4_hba.bmbx.avirt; |
48f8fdb4 JS |
8839 | lpfc_sli4_pcimem_bcopy(&mbox_rgn->mcqe, &mboxq->mcqe, |
8840 | sizeof(struct lpfc_mcqe)); | |
da0436e9 | 8841 | mcqe_status = bf_get(lpfc_mcqe_status, &mbox_rgn->mcqe); |
0558056c JS |
8842 | /* |
8843 | * When the CQE status indicates a failure and the mailbox status | |
8844 | * indicates success then copy the CQE status into the mailbox status | |
8845 | * (and prefix it with x4000). | |
8846 | */ | |
da0436e9 | 8847 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { |
0558056c JS |
8848 | if (bf_get(lpfc_mqe_status, mb) == MBX_SUCCESS) |
8849 | bf_set(lpfc_mqe_status, mb, | |
8850 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
da0436e9 | 8851 | rc = MBXERR_ERROR; |
d7c47992 JS |
8852 | } else |
8853 | lpfc_sli4_swap_str(phba, mboxq); | |
da0436e9 JS |
8854 | |
8855 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8856 | "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x " |
da0436e9 JS |
8857 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x" |
8858 | " x%x x%x CQ: x%x x%x x%x x%x\n", | |
a183a15f JS |
8859 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, |
8860 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
8861 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8862 | bf_get(lpfc_mqe_status, mb), |
8863 | mb->un.mb_words[0], mb->un.mb_words[1], | |
8864 | mb->un.mb_words[2], mb->un.mb_words[3], | |
8865 | mb->un.mb_words[4], mb->un.mb_words[5], | |
8866 | mb->un.mb_words[6], mb->un.mb_words[7], | |
8867 | mb->un.mb_words[8], mb->un.mb_words[9], | |
8868 | mb->un.mb_words[10], mb->un.mb_words[11], | |
8869 | mb->un.mb_words[12], mboxq->mcqe.word0, | |
8870 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
8871 | mboxq->mcqe.trailer); | |
8872 | exit: | |
8873 | /* We are holding the token, no needed for lock when release */ | |
8874 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8875 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8876 | phba->sli.mbox_active = NULL; | |
8877 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8878 | return rc; | |
8879 | } | |
8880 | ||
8881 | /** | |
8882 | * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware | |
8883 | * @phba: Pointer to HBA context object. | |
7af29d45 | 8884 | * @mboxq: Pointer to mailbox object. |
da0436e9 JS |
8885 | * @flag: Flag indicating how the mailbox need to be processed. |
8886 | * | |
8887 | * This function is called by discovery code and HBA management code to submit | |
8888 | * a mailbox command to firmware with SLI-4 interface spec. | |
8889 | * | |
8890 | * Return codes the caller owns the mailbox command after the return of the | |
8891 | * function. | |
8892 | **/ | |
8893 | static int | |
8894 | lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
8895 | uint32_t flag) | |
8896 | { | |
8897 | struct lpfc_sli *psli = &phba->sli; | |
8898 | unsigned long iflags; | |
8899 | int rc; | |
8900 | ||
b76f2dc9 JS |
8901 | /* dump from issue mailbox command if setup */ |
8902 | lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb); | |
8903 | ||
8fa38513 JS |
8904 | rc = lpfc_mbox_dev_check(phba); |
8905 | if (unlikely(rc)) { | |
372c187b | 8906 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
a183a15f | 8907 | "(%d):2544 Mailbox command x%x (x%x/x%x) " |
8fa38513 JS |
8908 | "cannot issue Data: x%x x%x\n", |
8909 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8910 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8911 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8912 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
8fa38513 JS |
8913 | psli->sli_flag, flag); |
8914 | goto out_not_finished; | |
8915 | } | |
8916 | ||
da0436e9 JS |
8917 | /* Detect polling mode and jump to a handler */ |
8918 | if (!phba->sli4_hba.intr_enable) { | |
8919 | if (flag == MBX_POLL) | |
8920 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8921 | else | |
8922 | rc = -EIO; | |
8923 | if (rc != MBX_SUCCESS) | |
0558056c | 8924 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
da0436e9 | 8925 | "(%d):2541 Mailbox command x%x " |
cc459f19 JS |
8926 | "(x%x/x%x) failure: " |
8927 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8928 | "Data: x%x x%x\n,", | |
da0436e9 JS |
8929 | mboxq->vport ? mboxq->vport->vpi : 0, |
8930 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8931 | lpfc_sli_config_mbox_subsys_get(phba, |
8932 | mboxq), | |
8933 | lpfc_sli_config_mbox_opcode_get(phba, | |
8934 | mboxq), | |
cc459f19 JS |
8935 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8936 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8937 | bf_get(lpfc_mcqe_ext_status, | |
8938 | &mboxq->mcqe), | |
da0436e9 JS |
8939 | psli->sli_flag, flag); |
8940 | return rc; | |
8941 | } else if (flag == MBX_POLL) { | |
f1126688 JS |
8942 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
8943 | "(%d):2542 Try to issue mailbox command " | |
7365f6fd | 8944 | "x%x (x%x/x%x) synchronously ahead of async " |
f1126688 | 8945 | "mailbox command queue: x%x x%x\n", |
da0436e9 JS |
8946 | mboxq->vport ? mboxq->vport->vpi : 0, |
8947 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8948 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8949 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 | 8950 | psli->sli_flag, flag); |
f1126688 JS |
8951 | /* Try to block the asynchronous mailbox posting */ |
8952 | rc = lpfc_sli4_async_mbox_block(phba); | |
8953 | if (!rc) { | |
8954 | /* Successfully blocked, now issue sync mbox cmd */ | |
8955 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8956 | if (rc != MBX_SUCCESS) | |
cc459f19 | 8957 | lpfc_printf_log(phba, KERN_WARNING, |
a183a15f | 8958 | LOG_MBOX | LOG_SLI, |
cc459f19 JS |
8959 | "(%d):2597 Sync Mailbox command " |
8960 | "x%x (x%x/x%x) failure: " | |
8961 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8962 | "Data: x%x x%x\n,", | |
8963 | mboxq->vport ? mboxq->vport->vpi : 0, | |
a183a15f JS |
8964 | mboxq->u.mb.mbxCommand, |
8965 | lpfc_sli_config_mbox_subsys_get(phba, | |
8966 | mboxq), | |
8967 | lpfc_sli_config_mbox_opcode_get(phba, | |
8968 | mboxq), | |
cc459f19 JS |
8969 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8970 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8971 | bf_get(lpfc_mcqe_ext_status, | |
8972 | &mboxq->mcqe), | |
a183a15f | 8973 | psli->sli_flag, flag); |
f1126688 JS |
8974 | /* Unblock the async mailbox posting afterward */ |
8975 | lpfc_sli4_async_mbox_unblock(phba); | |
8976 | } | |
8977 | return rc; | |
da0436e9 JS |
8978 | } |
8979 | ||
291c2548 | 8980 | /* Now, interrupt mode asynchronous mailbox command */ |
da0436e9 JS |
8981 | rc = lpfc_mbox_cmd_check(phba, mboxq); |
8982 | if (rc) { | |
372c187b | 8983 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
a183a15f | 8984 | "(%d):2543 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8985 | "cannot issue Data: x%x x%x\n", |
8986 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8987 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8988 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8989 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8990 | psli->sli_flag, flag); |
8991 | goto out_not_finished; | |
8992 | } | |
da0436e9 JS |
8993 | |
8994 | /* Put the mailbox command to the driver internal FIFO */ | |
8995 | psli->slistat.mbox_busy++; | |
8996 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8997 | lpfc_mbox_put(phba, mboxq); | |
8998 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8999 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
9000 | "(%d):0354 Mbox cmd issue - Enqueue Data: " | |
a183a15f | 9001 | "x%x (x%x/x%x) x%x x%x x%x\n", |
da0436e9 JS |
9002 | mboxq->vport ? mboxq->vport->vpi : 0xffffff, |
9003 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
a183a15f JS |
9004 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
9005 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
9006 | phba->pport->port_state, |
9007 | psli->sli_flag, MBX_NOWAIT); | |
9008 | /* Wake up worker thread to transport mailbox command from head */ | |
9009 | lpfc_worker_wake_up(phba); | |
9010 | ||
9011 | return MBX_BUSY; | |
9012 | ||
9013 | out_not_finished: | |
9014 | return MBX_NOT_FINISHED; | |
9015 | } | |
9016 | ||
9017 | /** | |
9018 | * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device | |
9019 | * @phba: Pointer to HBA context object. | |
9020 | * | |
9021 | * This function is called by worker thread to send a mailbox command to | |
9022 | * SLI4 HBA firmware. | |
9023 | * | |
9024 | **/ | |
9025 | int | |
9026 | lpfc_sli4_post_async_mbox(struct lpfc_hba *phba) | |
9027 | { | |
9028 | struct lpfc_sli *psli = &phba->sli; | |
9029 | LPFC_MBOXQ_t *mboxq; | |
9030 | int rc = MBX_SUCCESS; | |
9031 | unsigned long iflags; | |
9032 | struct lpfc_mqe *mqe; | |
9033 | uint32_t mbx_cmnd; | |
9034 | ||
9035 | /* Check interrupt mode before post async mailbox command */ | |
9036 | if (unlikely(!phba->sli4_hba.intr_enable)) | |
9037 | return MBX_NOT_FINISHED; | |
9038 | ||
9039 | /* Check for mailbox command service token */ | |
9040 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9041 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
9042 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9043 | return MBX_NOT_FINISHED; | |
9044 | } | |
9045 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
9046 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9047 | return MBX_NOT_FINISHED; | |
9048 | } | |
9049 | if (unlikely(phba->sli.mbox_active)) { | |
9050 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
372c187b | 9051 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
da0436e9 JS |
9052 | "0384 There is pending active mailbox cmd\n"); |
9053 | return MBX_NOT_FINISHED; | |
9054 | } | |
9055 | /* Take the mailbox command service token */ | |
9056 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
9057 | ||
9058 | /* Get the next mailbox command from head of queue */ | |
9059 | mboxq = lpfc_mbox_get(phba); | |
9060 | ||
9061 | /* If no more mailbox command waiting for post, we're done */ | |
9062 | if (!mboxq) { | |
9063 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
9064 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9065 | return MBX_SUCCESS; | |
9066 | } | |
9067 | phba->sli.mbox_active = mboxq; | |
9068 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9069 | ||
9070 | /* Check device readiness for posting mailbox command */ | |
9071 | rc = lpfc_mbox_dev_check(phba); | |
9072 | if (unlikely(rc)) | |
9073 | /* Driver clean routine will clean up pending mailbox */ | |
9074 | goto out_not_finished; | |
9075 | ||
9076 | /* Prepare the mbox command to be posted */ | |
9077 | mqe = &mboxq->u.mqe; | |
9078 | mbx_cmnd = bf_get(lpfc_mqe_command, mqe); | |
9079 | ||
9080 | /* Start timer for the mbox_tmo and log some mailbox post messages */ | |
9081 | mod_timer(&psli->mbox_tmo, (jiffies + | |
256ec0d0 | 9082 | msecs_to_jiffies(1000 * lpfc_mbox_tmo_val(phba, mboxq)))); |
da0436e9 JS |
9083 | |
9084 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 9085 | "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: " |
da0436e9 JS |
9086 | "x%x x%x\n", |
9087 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, | |
a183a15f JS |
9088 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
9089 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
9090 | phba->pport->port_state, psli->sli_flag); |
9091 | ||
9092 | if (mbx_cmnd != MBX_HEARTBEAT) { | |
9093 | if (mboxq->vport) { | |
9094 | lpfc_debugfs_disc_trc(mboxq->vport, | |
9095 | LPFC_DISC_TRC_MBOX_VPORT, | |
9096 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
9097 | mbx_cmnd, mqe->un.mb_words[0], | |
9098 | mqe->un.mb_words[1]); | |
9099 | } else { | |
9100 | lpfc_debugfs_disc_trc(phba->pport, | |
9101 | LPFC_DISC_TRC_MBOX, | |
9102 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
9103 | mbx_cmnd, mqe->un.mb_words[0], | |
9104 | mqe->un.mb_words[1]); | |
9105 | } | |
9106 | } | |
9107 | psli->slistat.mbox_cmd++; | |
9108 | ||
9109 | /* Post the mailbox command to the port */ | |
9110 | rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe); | |
9111 | if (rc != MBX_SUCCESS) { | |
372c187b | 9112 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
a183a15f | 9113 | "(%d):2533 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
9114 | "cannot issue Data: x%x x%x\n", |
9115 | mboxq->vport ? mboxq->vport->vpi : 0, | |
9116 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
9117 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
9118 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
9119 | psli->sli_flag, MBX_NOWAIT); |
9120 | goto out_not_finished; | |
9121 | } | |
9122 | ||
9123 | return rc; | |
9124 | ||
9125 | out_not_finished: | |
9126 | spin_lock_irqsave(&phba->hbalock, iflags); | |
d7069f09 JS |
9127 | if (phba->sli.mbox_active) { |
9128 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
9129 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
9130 | /* Release the token */ | |
9131 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
9132 | phba->sli.mbox_active = NULL; | |
9133 | } | |
da0436e9 JS |
9134 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
9135 | ||
9136 | return MBX_NOT_FINISHED; | |
9137 | } | |
9138 | ||
9139 | /** | |
9140 | * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command | |
9141 | * @phba: Pointer to HBA context object. | |
9142 | * @pmbox: Pointer to mailbox object. | |
9143 | * @flag: Flag indicating how the mailbox need to be processed. | |
9144 | * | |
9145 | * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from | |
9146 | * the API jump table function pointer from the lpfc_hba struct. | |
9147 | * | |
9148 | * Return codes the caller owns the mailbox command after the return of the | |
9149 | * function. | |
9150 | **/ | |
9151 | int | |
9152 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) | |
9153 | { | |
9154 | return phba->lpfc_sli_issue_mbox(phba, pmbox, flag); | |
9155 | } | |
9156 | ||
9157 | /** | |
25985edc | 9158 | * lpfc_mbox_api_table_setup - Set up mbox api function jump table |
da0436e9 JS |
9159 | * @phba: The hba struct for which this call is being executed. |
9160 | * @dev_grp: The HBA PCI-Device group number. | |
9161 | * | |
9162 | * This routine sets up the mbox interface API function jump table in @phba | |
9163 | * struct. | |
9164 | * Returns: 0 - success, -ENODEV - failure. | |
9165 | **/ | |
9166 | int | |
9167 | lpfc_mbox_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
9168 | { | |
9169 | ||
9170 | switch (dev_grp) { | |
9171 | case LPFC_PCI_DEV_LP: | |
9172 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s3; | |
9173 | phba->lpfc_sli_handle_slow_ring_event = | |
9174 | lpfc_sli_handle_slow_ring_event_s3; | |
9175 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s3; | |
9176 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s3; | |
9177 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s3; | |
9178 | break; | |
9179 | case LPFC_PCI_DEV_OC: | |
9180 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s4; | |
9181 | phba->lpfc_sli_handle_slow_ring_event = | |
9182 | lpfc_sli_handle_slow_ring_event_s4; | |
9183 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s4; | |
9184 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s4; | |
9185 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s4; | |
9186 | break; | |
9187 | default: | |
372c187b | 9188 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
da0436e9 JS |
9189 | "1420 Invalid HBA PCI-device group: 0x%x\n", |
9190 | dev_grp); | |
9191 | return -ENODEV; | |
9192 | break; | |
9193 | } | |
9194 | return 0; | |
9195 | } | |
9196 | ||
e59058c4 | 9197 | /** |
3621a710 | 9198 | * __lpfc_sli_ringtx_put - Add an iocb to the txq |
e59058c4 JS |
9199 | * @phba: Pointer to HBA context object. |
9200 | * @pring: Pointer to driver SLI ring object. | |
9201 | * @piocb: Pointer to address of newly added command iocb. | |
9202 | * | |
27f3efd6 JS |
9203 | * This function is called with hbalock held for SLI3 ports or |
9204 | * the ring lock held for SLI4 ports to add a command | |
e59058c4 JS |
9205 | * iocb to the txq when SLI layer cannot submit the command iocb |
9206 | * to the ring. | |
9207 | **/ | |
2a9bf3d0 | 9208 | void |
92d7f7b0 | 9209 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 9210 | struct lpfc_iocbq *piocb) |
dea3101e | 9211 | { |
27f3efd6 JS |
9212 | if (phba->sli_rev == LPFC_SLI_REV4) |
9213 | lockdep_assert_held(&pring->ring_lock); | |
9214 | else | |
9215 | lockdep_assert_held(&phba->hbalock); | |
dea3101e JB |
9216 | /* Insert the caller's iocb in the txq tail for later processing. */ |
9217 | list_add_tail(&piocb->list, &pring->txq); | |
dea3101e JB |
9218 | } |
9219 | ||
e59058c4 | 9220 | /** |
3621a710 | 9221 | * lpfc_sli_next_iocb - Get the next iocb in the txq |
e59058c4 JS |
9222 | * @phba: Pointer to HBA context object. |
9223 | * @pring: Pointer to driver SLI ring object. | |
9224 | * @piocb: Pointer to address of newly added command iocb. | |
9225 | * | |
9226 | * This function is called with hbalock held before a new | |
9227 | * iocb is submitted to the firmware. This function checks | |
9228 | * txq to flush the iocbs in txq to Firmware before | |
9229 | * submitting new iocbs to the Firmware. | |
9230 | * If there are iocbs in the txq which need to be submitted | |
9231 | * to firmware, lpfc_sli_next_iocb returns the first element | |
9232 | * of the txq after dequeuing it from txq. | |
9233 | * If there is no iocb in the txq then the function will return | |
9234 | * *piocb and *piocb is set to NULL. Caller needs to check | |
9235 | * *piocb to find if there are more commands in the txq. | |
9236 | **/ | |
dea3101e JB |
9237 | static struct lpfc_iocbq * |
9238 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 9239 | struct lpfc_iocbq **piocb) |
dea3101e JB |
9240 | { |
9241 | struct lpfc_iocbq * nextiocb; | |
9242 | ||
1c2ba475 JT |
9243 | lockdep_assert_held(&phba->hbalock); |
9244 | ||
dea3101e JB |
9245 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
9246 | if (!nextiocb) { | |
9247 | nextiocb = *piocb; | |
9248 | *piocb = NULL; | |
9249 | } | |
9250 | ||
9251 | return nextiocb; | |
9252 | } | |
9253 | ||
e59058c4 | 9254 | /** |
3772a991 | 9255 | * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb |
e59058c4 | 9256 | * @phba: Pointer to HBA context object. |
3772a991 | 9257 | * @ring_number: SLI ring number to issue iocb on. |
e59058c4 JS |
9258 | * @piocb: Pointer to command iocb. |
9259 | * @flag: Flag indicating if this command can be put into txq. | |
9260 | * | |
3772a991 JS |
9261 | * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue |
9262 | * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is | |
9263 | * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT | |
9264 | * flag is turned on, the function returns IOCB_ERROR. When the link is down, | |
9265 | * this function allows only iocbs for posting buffers. This function finds | |
9266 | * next available slot in the command ring and posts the command to the | |
9267 | * available slot and writes the port attention register to request HBA start | |
9268 | * processing new iocb. If there is no slot available in the ring and | |
9269 | * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise | |
9270 | * the function returns IOCB_BUSY. | |
e59058c4 | 9271 | * |
3772a991 JS |
9272 | * This function is called with hbalock held. The function will return success |
9273 | * after it successfully submit the iocb to firmware or after adding to the | |
9274 | * txq. | |
e59058c4 | 9275 | **/ |
98c9ea5c | 9276 | static int |
3772a991 | 9277 | __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, |
dea3101e JB |
9278 | struct lpfc_iocbq *piocb, uint32_t flag) |
9279 | { | |
9280 | struct lpfc_iocbq *nextiocb; | |
9281 | IOCB_t *iocb; | |
895427bd | 9282 | struct lpfc_sli_ring *pring = &phba->sli.sli3_ring[ring_number]; |
dea3101e | 9283 | |
1c2ba475 JT |
9284 | lockdep_assert_held(&phba->hbalock); |
9285 | ||
92d7f7b0 JS |
9286 | if (piocb->iocb_cmpl && (!piocb->vport) && |
9287 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
9288 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
372c187b | 9289 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 9290 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
9291 | piocb->iocb.ulpCommand); |
9292 | dump_stack(); | |
9293 | return IOCB_ERROR; | |
9294 | } | |
9295 | ||
9296 | ||
8d63f375 LV |
9297 | /* If the PCI channel is in offline state, do not post iocbs. */ |
9298 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
9299 | return IOCB_ERROR; | |
9300 | ||
a257bf90 JS |
9301 | /* If HBA has a deferred error attention, fail the iocb. */ |
9302 | if (unlikely(phba->hba_flag & DEFER_ERATT)) | |
9303 | return IOCB_ERROR; | |
9304 | ||
dea3101e JB |
9305 | /* |
9306 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
9307 | */ | |
2e0fef85 | 9308 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e JB |
9309 | return IOCB_ERROR; |
9310 | ||
9311 | /* | |
9312 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 9313 | * outstanding event. |
dea3101e | 9314 | */ |
0b727fea | 9315 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e JB |
9316 | goto iocb_busy; |
9317 | ||
2e0fef85 | 9318 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 9319 | /* |
2680eeaa | 9320 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e JB |
9321 | * can be issued if the link is not up. |
9322 | */ | |
9323 | switch (piocb->iocb.ulpCommand) { | |
84774a4d JS |
9324 | case CMD_GEN_REQUEST64_CR: |
9325 | case CMD_GEN_REQUEST64_CX: | |
9326 | if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) || | |
9327 | (piocb->iocb.un.genreq64.w5.hcsw.Rctl != | |
6a9c52cf | 9328 | FC_RCTL_DD_UNSOL_CMD) || |
84774a4d JS |
9329 | (piocb->iocb.un.genreq64.w5.hcsw.Type != |
9330 | MENLO_TRANSPORT_TYPE)) | |
9331 | ||
9332 | goto iocb_busy; | |
9333 | break; | |
dea3101e JB |
9334 | case CMD_QUE_RING_BUF_CN: |
9335 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e JB |
9336 | /* |
9337 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
9338 | * completion, iocb_cmpl MUST be 0. | |
9339 | */ | |
9340 | if (piocb->iocb_cmpl) | |
9341 | piocb->iocb_cmpl = NULL; | |
9342 | /*FALLTHROUGH*/ | |
9343 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
9344 | case CMD_CLOSE_XRI_CN: |
9345 | case CMD_CLOSE_XRI_CX: | |
dea3101e JB |
9346 | break; |
9347 | default: | |
9348 | goto iocb_busy; | |
9349 | } | |
9350 | ||
9351 | /* | |
9352 | * For FCP commands, we must be in a state where we can process link | |
9353 | * attention events. | |
9354 | */ | |
895427bd | 9355 | } else if (unlikely(pring->ringno == LPFC_FCP_RING && |
92d7f7b0 | 9356 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 9357 | goto iocb_busy; |
92d7f7b0 | 9358 | } |
dea3101e | 9359 | |
dea3101e JB |
9360 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
9361 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
9362 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
9363 | ||
9364 | if (iocb) | |
9365 | lpfc_sli_update_ring(phba, pring); | |
9366 | else | |
9367 | lpfc_sli_update_full_ring(phba, pring); | |
9368 | ||
9369 | if (!piocb) | |
9370 | return IOCB_SUCCESS; | |
9371 | ||
9372 | goto out_busy; | |
9373 | ||
9374 | iocb_busy: | |
9375 | pring->stats.iocb_cmd_delay++; | |
9376 | ||
9377 | out_busy: | |
9378 | ||
9379 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 9380 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e JB |
9381 | return IOCB_SUCCESS; |
9382 | } | |
9383 | ||
9384 | return IOCB_BUSY; | |
9385 | } | |
9386 | ||
3772a991 | 9387 | /** |
4f774513 JS |
9388 | * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl. |
9389 | * @phba: Pointer to HBA context object. | |
7af29d45 | 9390 | * @piocbq: Pointer to command iocb. |
4f774513 JS |
9391 | * @sglq: Pointer to the scatter gather queue object. |
9392 | * | |
9393 | * This routine converts the bpl or bde that is in the IOCB | |
9394 | * to a sgl list for the sli4 hardware. The physical address | |
9395 | * of the bpl/bde is converted back to a virtual address. | |
9396 | * If the IOCB contains a BPL then the list of BDE's is | |
9397 | * converted to sli4_sge's. If the IOCB contains a single | |
9398 | * BDE then it is converted to a single sli_sge. | |
9399 | * The IOCB is still in cpu endianess so the contents of | |
9400 | * the bpl can be used without byte swapping. | |
9401 | * | |
9402 | * Returns valid XRI = Success, NO_XRI = Failure. | |
9403 | **/ | |
9404 | static uint16_t | |
9405 | lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, | |
9406 | struct lpfc_sglq *sglq) | |
3772a991 | 9407 | { |
4f774513 JS |
9408 | uint16_t xritag = NO_XRI; |
9409 | struct ulp_bde64 *bpl = NULL; | |
9410 | struct ulp_bde64 bde; | |
9411 | struct sli4_sge *sgl = NULL; | |
1b51197d | 9412 | struct lpfc_dmabuf *dmabuf; |
4f774513 JS |
9413 | IOCB_t *icmd; |
9414 | int numBdes = 0; | |
9415 | int i = 0; | |
63e801ce JS |
9416 | uint32_t offset = 0; /* accumulated offset in the sg request list */ |
9417 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
3772a991 | 9418 | |
4f774513 JS |
9419 | if (!piocbq || !sglq) |
9420 | return xritag; | |
9421 | ||
9422 | sgl = (struct sli4_sge *)sglq->sgl; | |
9423 | icmd = &piocbq->iocb; | |
6b5151fd JS |
9424 | if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) |
9425 | return sglq->sli4_xritag; | |
4f774513 JS |
9426 | if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { |
9427 | numBdes = icmd->un.genreq64.bdl.bdeSize / | |
9428 | sizeof(struct ulp_bde64); | |
9429 | /* The addrHigh and addrLow fields within the IOCB | |
9430 | * have not been byteswapped yet so there is no | |
9431 | * need to swap them back. | |
9432 | */ | |
1b51197d JS |
9433 | if (piocbq->context3) |
9434 | dmabuf = (struct lpfc_dmabuf *)piocbq->context3; | |
9435 | else | |
9436 | return xritag; | |
4f774513 | 9437 | |
1b51197d | 9438 | bpl = (struct ulp_bde64 *)dmabuf->virt; |
4f774513 JS |
9439 | if (!bpl) |
9440 | return xritag; | |
9441 | ||
9442 | for (i = 0; i < numBdes; i++) { | |
9443 | /* Should already be byte swapped. */ | |
28baac74 JS |
9444 | sgl->addr_hi = bpl->addrHigh; |
9445 | sgl->addr_lo = bpl->addrLow; | |
9446 | ||
0558056c | 9447 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
9448 | if ((i+1) == numBdes) |
9449 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
9450 | else | |
9451 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
28baac74 JS |
9452 | /* swap the size field back to the cpu so we |
9453 | * can assign it to the sgl. | |
9454 | */ | |
9455 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
9456 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
63e801ce JS |
9457 | /* The offsets in the sgl need to be accumulated |
9458 | * separately for the request and reply lists. | |
9459 | * The request is always first, the reply follows. | |
9460 | */ | |
9461 | if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { | |
9462 | /* add up the reply sg entries */ | |
9463 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
9464 | inbound++; | |
9465 | /* first inbound? reset the offset */ | |
9466 | if (inbound == 1) | |
9467 | offset = 0; | |
9468 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
f9bb2da1 JS |
9469 | bf_set(lpfc_sli4_sge_type, sgl, |
9470 | LPFC_SGE_TYPE_DATA); | |
63e801ce JS |
9471 | offset += bde.tus.f.bdeSize; |
9472 | } | |
546fc854 | 9473 | sgl->word2 = cpu_to_le32(sgl->word2); |
4f774513 JS |
9474 | bpl++; |
9475 | sgl++; | |
9476 | } | |
9477 | } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) { | |
9478 | /* The addrHigh and addrLow fields of the BDE have not | |
9479 | * been byteswapped yet so they need to be swapped | |
9480 | * before putting them in the sgl. | |
9481 | */ | |
9482 | sgl->addr_hi = | |
9483 | cpu_to_le32(icmd->un.genreq64.bdl.addrHigh); | |
9484 | sgl->addr_lo = | |
9485 | cpu_to_le32(icmd->un.genreq64.bdl.addrLow); | |
0558056c | 9486 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
9487 | bf_set(lpfc_sli4_sge_last, sgl, 1); |
9488 | sgl->word2 = cpu_to_le32(sgl->word2); | |
28baac74 JS |
9489 | sgl->sge_len = |
9490 | cpu_to_le32(icmd->un.genreq64.bdl.bdeSize); | |
4f774513 JS |
9491 | } |
9492 | return sglq->sli4_xritag; | |
3772a991 | 9493 | } |
92d7f7b0 | 9494 | |
e59058c4 | 9495 | /** |
4f774513 | 9496 | * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry. |
e59058c4 | 9497 | * @phba: Pointer to HBA context object. |
7af29d45 | 9498 | * @iocbq: Pointer to command iocb. |
4f774513 | 9499 | * @wqe: Pointer to the work queue entry. |
e59058c4 | 9500 | * |
4f774513 JS |
9501 | * This routine converts the iocb command to its Work Queue Entry |
9502 | * equivalent. The wqe pointer should not have any fields set when | |
9503 | * this routine is called because it will memcpy over them. | |
9504 | * This routine does not set the CQ_ID or the WQEC bits in the | |
9505 | * wqe. | |
e59058c4 | 9506 | * |
4f774513 | 9507 | * Returns: 0 = Success, IOCB_ERROR = Failure. |
e59058c4 | 9508 | **/ |
cf5bf97e | 9509 | static int |
4f774513 | 9510 | lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, |
205e8240 | 9511 | union lpfc_wqe128 *wqe) |
cf5bf97e | 9512 | { |
5ffc266e | 9513 | uint32_t xmit_len = 0, total_len = 0; |
4f774513 JS |
9514 | uint8_t ct = 0; |
9515 | uint32_t fip; | |
9516 | uint32_t abort_tag; | |
9517 | uint8_t command_type = ELS_COMMAND_NON_FIP; | |
9518 | uint8_t cmnd; | |
9519 | uint16_t xritag; | |
dcf2a4e0 JS |
9520 | uint16_t abrt_iotag; |
9521 | struct lpfc_iocbq *abrtiocbq; | |
4f774513 | 9522 | struct ulp_bde64 *bpl = NULL; |
f0d9bccc | 9523 | uint32_t els_id = LPFC_ELS_ID_DEFAULT; |
5ffc266e JS |
9524 | int numBdes, i; |
9525 | struct ulp_bde64 bde; | |
c31098ce | 9526 | struct lpfc_nodelist *ndlp; |
ff78d8f9 | 9527 | uint32_t *pcmd; |
1b51197d | 9528 | uint32_t if_type; |
4f774513 | 9529 | |
45ed1190 | 9530 | fip = phba->hba_flag & HBA_FIP_SUPPORT; |
4f774513 | 9531 | /* The fcp commands will set command type */ |
0c287589 | 9532 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
4f774513 | 9533 | command_type = FCP_COMMAND; |
c868595d | 9534 | else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)) |
0c287589 JS |
9535 | command_type = ELS_COMMAND_FIP; |
9536 | else | |
9537 | command_type = ELS_COMMAND_NON_FIP; | |
9538 | ||
b5c53958 JS |
9539 | if (phba->fcp_embed_io) |
9540 | memset(wqe, 0, sizeof(union lpfc_wqe128)); | |
4f774513 JS |
9541 | /* Some of the fields are in the right position already */ |
9542 | memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); | |
e62245d9 JS |
9543 | /* The ct field has moved so reset */ |
9544 | wqe->generic.wqe_com.word7 = 0; | |
9545 | wqe->generic.wqe_com.word10 = 0; | |
b5c53958 JS |
9546 | |
9547 | abort_tag = (uint32_t) iocbq->iotag; | |
9548 | xritag = iocbq->sli4_xritag; | |
4f774513 JS |
9549 | /* words0-2 bpl convert bde */ |
9550 | if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { | |
5ffc266e JS |
9551 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / |
9552 | sizeof(struct ulp_bde64); | |
4f774513 JS |
9553 | bpl = (struct ulp_bde64 *) |
9554 | ((struct lpfc_dmabuf *)iocbq->context3)->virt; | |
9555 | if (!bpl) | |
9556 | return IOCB_ERROR; | |
cf5bf97e | 9557 | |
4f774513 JS |
9558 | /* Should already be byte swapped. */ |
9559 | wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh); | |
9560 | wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow); | |
9561 | /* swap the size field back to the cpu so we | |
9562 | * can assign it to the sgl. | |
9563 | */ | |
9564 | wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w); | |
5ffc266e JS |
9565 | xmit_len = wqe->generic.bde.tus.f.bdeSize; |
9566 | total_len = 0; | |
9567 | for (i = 0; i < numBdes; i++) { | |
9568 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
9569 | total_len += bde.tus.f.bdeSize; | |
9570 | } | |
4f774513 | 9571 | } else |
5ffc266e | 9572 | xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize; |
cf5bf97e | 9573 | |
4f774513 JS |
9574 | iocbq->iocb.ulpIoTag = iocbq->iotag; |
9575 | cmnd = iocbq->iocb.ulpCommand; | |
a4bc3379 | 9576 | |
4f774513 JS |
9577 | switch (iocbq->iocb.ulpCommand) { |
9578 | case CMD_ELS_REQUEST64_CR: | |
93d1379e JS |
9579 | if (iocbq->iocb_flag & LPFC_IO_LIBDFC) |
9580 | ndlp = iocbq->context_un.ndlp; | |
9581 | else | |
9582 | ndlp = (struct lpfc_nodelist *)iocbq->context1; | |
4f774513 | 9583 | if (!iocbq->iocb.ulpLe) { |
372c187b | 9584 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
9585 | "2007 Only Limited Edition cmd Format" |
9586 | " supported 0x%x\n", | |
9587 | iocbq->iocb.ulpCommand); | |
9588 | return IOCB_ERROR; | |
9589 | } | |
ff78d8f9 | 9590 | |
5ffc266e | 9591 | wqe->els_req.payload_len = xmit_len; |
4f774513 JS |
9592 | /* Els_reguest64 has a TMO */ |
9593 | bf_set(wqe_tmo, &wqe->els_req.wqe_com, | |
9594 | iocbq->iocb.ulpTimeout); | |
9595 | /* Need a VF for word 4 set the vf bit*/ | |
9596 | bf_set(els_req64_vf, &wqe->els_req, 0); | |
9597 | /* And a VFID for word 12 */ | |
9598 | bf_set(els_req64_vfid, &wqe->els_req, 0); | |
4f774513 | 9599 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); |
f0d9bccc JS |
9600 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, |
9601 | iocbq->iocb.ulpContext); | |
9602 | bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); | |
9603 | bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); | |
4f774513 | 9604 | /* CCP CCPE PV PRI in word10 were set in the memcpy */ |
ff78d8f9 | 9605 | if (command_type == ELS_COMMAND_FIP) |
c868595d JS |
9606 | els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK) |
9607 | >> LPFC_FIP_ELS_ID_SHIFT); | |
ff78d8f9 JS |
9608 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9609 | iocbq->context2)->virt); | |
1b51197d JS |
9610 | if_type = bf_get(lpfc_sli_intf_if_type, |
9611 | &phba->sli4_hba.sli_intf); | |
27d6ac0a | 9612 | if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { |
ff78d8f9 | 9613 | if (pcmd && (*pcmd == ELS_CMD_FLOGI || |
cb69f7de | 9614 | *pcmd == ELS_CMD_SCR || |
df3fe766 | 9615 | *pcmd == ELS_CMD_RDF || |
f60cb93b | 9616 | *pcmd == ELS_CMD_RSCN_XMT || |
6b5151fd | 9617 | *pcmd == ELS_CMD_FDISC || |
bdcd2b92 | 9618 | *pcmd == ELS_CMD_LOGO || |
ff78d8f9 JS |
9619 | *pcmd == ELS_CMD_PLOGI)) { |
9620 | bf_set(els_req64_sp, &wqe->els_req, 1); | |
9621 | bf_set(els_req64_sid, &wqe->els_req, | |
9622 | iocbq->vport->fc_myDID); | |
939723a4 JS |
9623 | if ((*pcmd == ELS_CMD_FLOGI) && |
9624 | !(phba->fc_topology == | |
9625 | LPFC_TOPOLOGY_LOOP)) | |
9626 | bf_set(els_req64_sid, &wqe->els_req, 0); | |
ff78d8f9 JS |
9627 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); |
9628 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
a7dd9c0f | 9629 | phba->vpi_ids[iocbq->vport->vpi]); |
3ef6d24c | 9630 | } else if (pcmd && iocbq->context1) { |
ff78d8f9 JS |
9631 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); |
9632 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
9633 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
9634 | } | |
c868595d | 9635 | } |
6d368e53 JS |
9636 | bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, |
9637 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
f0d9bccc JS |
9638 | bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); |
9639 | bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); | |
9640 | bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); | |
9641 | bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); | |
9642 | bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9643 | bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); | |
af22741c | 9644 | wqe->els_req.max_response_payload_len = total_len - xmit_len; |
7851fe2c | 9645 | break; |
5ffc266e | 9646 | case CMD_XMIT_SEQUENCE64_CX: |
f0d9bccc JS |
9647 | bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, |
9648 | iocbq->iocb.un.ulpWord[3]); | |
9649 | bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, | |
7851fe2c | 9650 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
5ffc266e JS |
9651 | /* The entire sequence is transmitted for this IOCB */ |
9652 | xmit_len = total_len; | |
9653 | cmnd = CMD_XMIT_SEQUENCE64_CR; | |
1b51197d JS |
9654 | if (phba->link_flag & LS_LOOPBACK_MODE) |
9655 | bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); | |
5bd5f66c | 9656 | /* fall through */ |
4f774513 | 9657 | case CMD_XMIT_SEQUENCE64_CR: |
f0d9bccc JS |
9658 | /* word3 iocb=io_tag32 wqe=reserved */ |
9659 | wqe->xmit_sequence.rsvd3 = 0; | |
4f774513 JS |
9660 | /* word4 relative_offset memcpy */ |
9661 | /* word5 r_ctl/df_ctl memcpy */ | |
f0d9bccc JS |
9662 | bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); |
9663 | bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); | |
9664 | bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, | |
9665 | LPFC_WQE_IOD_WRITE); | |
9666 | bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, | |
9667 | LPFC_WQE_LENLOC_WORD12); | |
9668 | bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); | |
5ffc266e JS |
9669 | wqe->xmit_sequence.xmit_len = xmit_len; |
9670 | command_type = OTHER_COMMAND; | |
7851fe2c | 9671 | break; |
4f774513 | 9672 | case CMD_XMIT_BCAST64_CN: |
f0d9bccc JS |
9673 | /* word3 iocb=iotag32 wqe=seq_payload_len */ |
9674 | wqe->xmit_bcast64.seq_payload_len = xmit_len; | |
4f774513 JS |
9675 | /* word4 iocb=rsvd wqe=rsvd */ |
9676 | /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */ | |
9677 | /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */ | |
f0d9bccc | 9678 | bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com, |
4f774513 | 9679 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
f0d9bccc JS |
9680 | bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1); |
9681 | bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE); | |
9682 | bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, | |
9683 | LPFC_WQE_LENLOC_WORD3); | |
9684 | bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); | |
7851fe2c | 9685 | break; |
4f774513 JS |
9686 | case CMD_FCP_IWRITE64_CR: |
9687 | command_type = FCP_COMMAND_DATA_OUT; | |
f0d9bccc JS |
9688 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9689 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
9690 | bf_set(payload_offset_len, &wqe->fcp_iwrite, |
9691 | xmit_len + sizeof(struct fcp_rsp)); | |
9692 | bf_set(cmd_buff_len, &wqe->fcp_iwrite, | |
9693 | 0); | |
f0d9bccc JS |
9694 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
9695 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
9696 | bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com, | |
9697 | iocbq->iocb.ulpFCP2Rcvy); | |
9698 | bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); | |
9699 | /* Always open the exchange */ | |
f0d9bccc JS |
9700 | bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); |
9701 | bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, | |
9702 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 9703 | bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 9704 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); |
1ba981fd JS |
9705 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9706 | bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1); | |
c92c841c JS |
9707 | bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); |
9708 | if (iocbq->priority) { | |
9709 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, | |
9710 | (iocbq->priority << 1)); | |
9711 | } else { | |
1ba981fd JS |
9712 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, |
9713 | (phba->cfg_XLanePriority << 1)); | |
9714 | } | |
9715 | } | |
b5c53958 JS |
9716 | /* Note, word 10 is already initialized to 0 */ |
9717 | ||
414abe0a JS |
9718 | /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ |
9719 | if (phba->cfg_enable_pbde) | |
0bc2b7c5 JS |
9720 | bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 1); |
9721 | else | |
9722 | bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 0); | |
9723 | ||
b5c53958 | 9724 | if (phba->fcp_embed_io) { |
c490850a | 9725 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9726 | struct sli4_sge *sgl; |
b5c53958 JS |
9727 | struct fcp_cmnd *fcp_cmnd; |
9728 | uint32_t *ptr; | |
9729 | ||
9730 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9731 | |
9732 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9733 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9734 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9735 | ||
9736 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9737 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9738 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9739 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9740 | wqe->generic.bde.addrHigh = 0; | |
9741 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9742 | |
205e8240 JS |
9743 | bf_set(wqe_wqes, &wqe->fcp_iwrite.wqe_com, 1); |
9744 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 0); | |
b5c53958 JS |
9745 | |
9746 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9747 | ptr = &wqe->words[22]; |
b5c53958 JS |
9748 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9749 | } | |
7851fe2c | 9750 | break; |
4f774513 | 9751 | case CMD_FCP_IREAD64_CR: |
f0d9bccc JS |
9752 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9753 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
9754 | bf_set(payload_offset_len, &wqe->fcp_iread, |
9755 | xmit_len + sizeof(struct fcp_rsp)); | |
9756 | bf_set(cmd_buff_len, &wqe->fcp_iread, | |
9757 | 0); | |
f0d9bccc JS |
9758 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
9759 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
9760 | bf_set(wqe_erp, &wqe->fcp_iread.wqe_com, | |
9761 | iocbq->iocb.ulpFCP2Rcvy); | |
9762 | bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); | |
f1126688 | 9763 | /* Always open the exchange */ |
f0d9bccc JS |
9764 | bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); |
9765 | bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, | |
9766 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 9767 | bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 9768 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); |
1ba981fd JS |
9769 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9770 | bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1); | |
c92c841c JS |
9771 | bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1); |
9772 | if (iocbq->priority) { | |
9773 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, | |
9774 | (iocbq->priority << 1)); | |
9775 | } else { | |
1ba981fd JS |
9776 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, |
9777 | (phba->cfg_XLanePriority << 1)); | |
9778 | } | |
9779 | } | |
b5c53958 JS |
9780 | /* Note, word 10 is already initialized to 0 */ |
9781 | ||
414abe0a JS |
9782 | /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ |
9783 | if (phba->cfg_enable_pbde) | |
0bc2b7c5 JS |
9784 | bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 1); |
9785 | else | |
9786 | bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 0); | |
9787 | ||
b5c53958 | 9788 | if (phba->fcp_embed_io) { |
c490850a | 9789 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9790 | struct sli4_sge *sgl; |
b5c53958 JS |
9791 | struct fcp_cmnd *fcp_cmnd; |
9792 | uint32_t *ptr; | |
9793 | ||
9794 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9795 | |
9796 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9797 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9798 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9799 | ||
9800 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9801 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9802 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9803 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9804 | wqe->generic.bde.addrHigh = 0; | |
9805 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9806 | |
205e8240 JS |
9807 | bf_set(wqe_wqes, &wqe->fcp_iread.wqe_com, 1); |
9808 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 0); | |
b5c53958 JS |
9809 | |
9810 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9811 | ptr = &wqe->words[22]; |
b5c53958 JS |
9812 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9813 | } | |
7851fe2c | 9814 | break; |
4f774513 | 9815 | case CMD_FCP_ICMND64_CR: |
0ba4b219 JS |
9816 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9817 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
9818 | bf_set(payload_offset_len, &wqe->fcp_icmd, | |
9819 | xmit_len + sizeof(struct fcp_rsp)); | |
9820 | bf_set(cmd_buff_len, &wqe->fcp_icmd, | |
9821 | 0); | |
f0d9bccc | 9822 | /* word3 iocb=IO_TAG wqe=reserved */ |
f0d9bccc | 9823 | bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0); |
4f774513 | 9824 | /* Always open the exchange */ |
f0d9bccc JS |
9825 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1); |
9826 | bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE); | |
9827 | bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1); | |
9828 | bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, | |
9829 | LPFC_WQE_LENLOC_NONE); | |
2a94aea4 JS |
9830 | bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, |
9831 | iocbq->iocb.ulpFCP2Rcvy); | |
1ba981fd JS |
9832 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9833 | bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1); | |
c92c841c JS |
9834 | bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1); |
9835 | if (iocbq->priority) { | |
9836 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, | |
9837 | (iocbq->priority << 1)); | |
9838 | } else { | |
1ba981fd JS |
9839 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, |
9840 | (phba->cfg_XLanePriority << 1)); | |
9841 | } | |
9842 | } | |
b5c53958 JS |
9843 | /* Note, word 10 is already initialized to 0 */ |
9844 | ||
9845 | if (phba->fcp_embed_io) { | |
c490850a | 9846 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9847 | struct sli4_sge *sgl; |
b5c53958 JS |
9848 | struct fcp_cmnd *fcp_cmnd; |
9849 | uint32_t *ptr; | |
9850 | ||
9851 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9852 | |
9853 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9854 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9855 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9856 | ||
9857 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9858 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9859 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9860 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9861 | wqe->generic.bde.addrHigh = 0; | |
9862 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9863 | |
205e8240 JS |
9864 | bf_set(wqe_wqes, &wqe->fcp_icmd.wqe_com, 1); |
9865 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 0); | |
b5c53958 JS |
9866 | |
9867 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9868 | ptr = &wqe->words[22]; |
b5c53958 JS |
9869 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9870 | } | |
7851fe2c | 9871 | break; |
4f774513 | 9872 | case CMD_GEN_REQUEST64_CR: |
63e801ce JS |
9873 | /* For this command calculate the xmit length of the |
9874 | * request bde. | |
9875 | */ | |
9876 | xmit_len = 0; | |
9877 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / | |
9878 | sizeof(struct ulp_bde64); | |
9879 | for (i = 0; i < numBdes; i++) { | |
63e801ce | 9880 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); |
546fc854 JS |
9881 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) |
9882 | break; | |
63e801ce JS |
9883 | xmit_len += bde.tus.f.bdeSize; |
9884 | } | |
f0d9bccc JS |
9885 | /* word3 iocb=IO_TAG wqe=request_payload_len */ |
9886 | wqe->gen_req.request_payload_len = xmit_len; | |
9887 | /* word4 iocb=parameter wqe=relative_offset memcpy */ | |
9888 | /* word5 [rctl, type, df_ctl, la] copied in memcpy */ | |
4f774513 JS |
9889 | /* word6 context tag copied in memcpy */ |
9890 | if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) { | |
9891 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); | |
372c187b | 9892 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
9893 | "2015 Invalid CT %x command 0x%x\n", |
9894 | ct, iocbq->iocb.ulpCommand); | |
9895 | return IOCB_ERROR; | |
9896 | } | |
f0d9bccc JS |
9897 | bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0); |
9898 | bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout); | |
9899 | bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU); | |
9900 | bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); | |
9901 | bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); | |
9902 | bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); | |
9903 | bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9904 | bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); | |
af22741c | 9905 | wqe->gen_req.max_response_payload_len = total_len - xmit_len; |
4f774513 | 9906 | command_type = OTHER_COMMAND; |
7851fe2c | 9907 | break; |
4f774513 | 9908 | case CMD_XMIT_ELS_RSP64_CX: |
c31098ce | 9909 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
4f774513 | 9910 | /* words0-2 BDE memcpy */ |
f0d9bccc JS |
9911 | /* word3 iocb=iotag32 wqe=response_payload_len */ |
9912 | wqe->xmit_els_rsp.response_payload_len = xmit_len; | |
939723a4 JS |
9913 | /* word4 */ |
9914 | wqe->xmit_els_rsp.word4 = 0; | |
4f774513 JS |
9915 | /* word5 iocb=rsvd wge=did */ |
9916 | bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, | |
939723a4 JS |
9917 | iocbq->iocb.un.xseq64.xmit_els_remoteID); |
9918 | ||
9919 | if_type = bf_get(lpfc_sli_intf_if_type, | |
9920 | &phba->sli4_hba.sli_intf); | |
27d6ac0a | 9921 | if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { |
939723a4 JS |
9922 | if (iocbq->vport->fc_flag & FC_PT2PT) { |
9923 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); | |
9924 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
9925 | iocbq->vport->fc_myDID); | |
9926 | if (iocbq->vport->fc_myDID == Fabric_DID) { | |
9927 | bf_set(wqe_els_did, | |
9928 | &wqe->xmit_els_rsp.wqe_dest, 0); | |
9929 | } | |
9930 | } | |
9931 | } | |
f0d9bccc JS |
9932 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, |
9933 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); | |
9934 | bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); | |
9935 | bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, | |
7851fe2c | 9936 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
4f774513 | 9937 | if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) |
f0d9bccc | 9938 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, |
6d368e53 | 9939 | phba->vpi_ids[iocbq->vport->vpi]); |
f0d9bccc JS |
9940 | bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); |
9941 | bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); | |
9942 | bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); | |
9943 | bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, | |
9944 | LPFC_WQE_LENLOC_WORD3); | |
9945 | bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); | |
6d368e53 JS |
9946 | bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, |
9947 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
ff78d8f9 JS |
9948 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9949 | iocbq->context2)->virt); | |
9950 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
939723a4 JS |
9951 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); |
9952 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
ff78d8f9 | 9953 | iocbq->vport->fc_myDID); |
939723a4 JS |
9954 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1); |
9955 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, | |
ff78d8f9 JS |
9956 | phba->vpi_ids[phba->pport->vpi]); |
9957 | } | |
4f774513 | 9958 | command_type = OTHER_COMMAND; |
7851fe2c | 9959 | break; |
4f774513 JS |
9960 | case CMD_CLOSE_XRI_CN: |
9961 | case CMD_ABORT_XRI_CN: | |
9962 | case CMD_ABORT_XRI_CX: | |
9963 | /* words 0-2 memcpy should be 0 rserved */ | |
9964 | /* port will send abts */ | |
dcf2a4e0 JS |
9965 | abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; |
9966 | if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { | |
9967 | abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; | |
9968 | fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK; | |
9969 | } else | |
9970 | fip = 0; | |
9971 | ||
9972 | if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip) | |
4f774513 | 9973 | /* |
dcf2a4e0 JS |
9974 | * The link is down, or the command was ELS_FIP |
9975 | * so the fw does not need to send abts | |
4f774513 JS |
9976 | * on the wire. |
9977 | */ | |
9978 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); | |
9979 | else | |
9980 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); | |
9981 | bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); | |
f0d9bccc JS |
9982 | /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */ |
9983 | wqe->abort_cmd.rsrvd5 = 0; | |
9984 | bf_set(wqe_ct, &wqe->abort_cmd.wqe_com, | |
4f774513 JS |
9985 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
9986 | abort_tag = iocbq->iocb.un.acxri.abortIoTag; | |
4f774513 JS |
9987 | /* |
9988 | * The abort handler will send us CMD_ABORT_XRI_CN or | |
9989 | * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX | |
9990 | */ | |
f0d9bccc JS |
9991 | bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); |
9992 | bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); | |
9993 | bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com, | |
9994 | LPFC_WQE_LENLOC_NONE); | |
4f774513 JS |
9995 | cmnd = CMD_ABORT_XRI_CX; |
9996 | command_type = OTHER_COMMAND; | |
9997 | xritag = 0; | |
7851fe2c | 9998 | break; |
6669f9bb | 9999 | case CMD_XMIT_BLS_RSP64_CX: |
6b5151fd | 10000 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
546fc854 | 10001 | /* As BLS ABTS RSP WQE is very different from other WQEs, |
6669f9bb JS |
10002 | * we re-construct this WQE here based on information in |
10003 | * iocbq from scratch. | |
10004 | */ | |
d9f492a1 | 10005 | memset(wqe, 0, sizeof(*wqe)); |
5ffc266e | 10006 | /* OX_ID is invariable to who sent ABTS to CT exchange */ |
6669f9bb | 10007 | bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp, |
546fc854 JS |
10008 | bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp)); |
10009 | if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) == | |
5ffc266e JS |
10010 | LPFC_ABTS_UNSOL_INT) { |
10011 | /* ABTS sent by initiator to CT exchange, the | |
10012 | * RX_ID field will be filled with the newly | |
10013 | * allocated responder XRI. | |
10014 | */ | |
10015 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
10016 | iocbq->sli4_xritag); | |
10017 | } else { | |
10018 | /* ABTS sent by responder to CT exchange, the | |
10019 | * RX_ID field will be filled with the responder | |
10020 | * RX_ID from ABTS. | |
10021 | */ | |
10022 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
546fc854 | 10023 | bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp)); |
5ffc266e | 10024 | } |
6669f9bb JS |
10025 | bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); |
10026 | bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); | |
6b5151fd JS |
10027 | |
10028 | /* Use CT=VPI */ | |
10029 | bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, | |
10030 | ndlp->nlp_DID); | |
10031 | bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, | |
10032 | iocbq->iocb.ulpContext); | |
10033 | bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); | |
6669f9bb | 10034 | bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, |
6b5151fd | 10035 | phba->vpi_ids[phba->pport->vpi]); |
f0d9bccc JS |
10036 | bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); |
10037 | bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, | |
10038 | LPFC_WQE_LENLOC_NONE); | |
6669f9bb JS |
10039 | /* Overwrite the pre-set comnd type with OTHER_COMMAND */ |
10040 | command_type = OTHER_COMMAND; | |
546fc854 JS |
10041 | if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) { |
10042 | bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp, | |
10043 | bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp)); | |
10044 | bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp, | |
10045 | bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp)); | |
10046 | bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp, | |
10047 | bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); | |
10048 | } | |
10049 | ||
7851fe2c | 10050 | break; |
ae9e28f3 | 10051 | case CMD_SEND_FRAME: |
e62245d9 JS |
10052 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, CMD_SEND_FRAME); |
10053 | bf_set(wqe_sof, &wqe->generic.wqe_com, 0x2E); /* SOF byte */ | |
10054 | bf_set(wqe_eof, &wqe->generic.wqe_com, 0x41); /* EOF byte */ | |
10055 | bf_set(wqe_lenloc, &wqe->generic.wqe_com, 1); | |
10056 | bf_set(wqe_xbl, &wqe->generic.wqe_com, 1); | |
10057 | bf_set(wqe_dbde, &wqe->generic.wqe_com, 1); | |
10058 | bf_set(wqe_xc, &wqe->generic.wqe_com, 1); | |
10059 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, 0xA); | |
10060 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
ae9e28f3 JS |
10061 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
10062 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
10063 | return 0; | |
4f774513 JS |
10064 | case CMD_XRI_ABORTED_CX: |
10065 | case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ | |
4f774513 JS |
10066 | case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ |
10067 | case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */ | |
10068 | case CMD_FCP_TRSP64_CX: /* Target mode rcv */ | |
10069 | case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */ | |
10070 | default: | |
372c187b | 10071 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
10072 | "2014 Invalid command 0x%x\n", |
10073 | iocbq->iocb.ulpCommand); | |
10074 | return IOCB_ERROR; | |
7851fe2c | 10075 | break; |
4f774513 | 10076 | } |
6d368e53 | 10077 | |
8012cc38 JS |
10078 | if (iocbq->iocb_flag & LPFC_IO_DIF_PASS) |
10079 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); | |
10080 | else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP) | |
10081 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); | |
10082 | else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT) | |
10083 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); | |
10084 | iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | | |
10085 | LPFC_IO_DIF_INSERT); | |
f0d9bccc JS |
10086 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
10087 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
10088 | wqe->generic.wqe_com.abort_tag = abort_tag; | |
10089 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); | |
10090 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd); | |
10091 | bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass); | |
10092 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
4f774513 JS |
10093 | return 0; |
10094 | } | |
10095 | ||
10096 | /** | |
10097 | * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb | |
10098 | * @phba: Pointer to HBA context object. | |
10099 | * @ring_number: SLI ring number to issue iocb on. | |
10100 | * @piocb: Pointer to command iocb. | |
10101 | * @flag: Flag indicating if this command can be put into txq. | |
10102 | * | |
10103 | * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue | |
10104 | * an iocb command to an HBA with SLI-4 interface spec. | |
10105 | * | |
27f3efd6 | 10106 | * This function is called with ringlock held. The function will return success |
4f774513 JS |
10107 | * after it successfully submit the iocb to firmware or after adding to the |
10108 | * txq. | |
10109 | **/ | |
10110 | static int | |
10111 | __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, | |
10112 | struct lpfc_iocbq *piocb, uint32_t flag) | |
10113 | { | |
10114 | struct lpfc_sglq *sglq; | |
205e8240 | 10115 | union lpfc_wqe128 wqe; |
1ba981fd | 10116 | struct lpfc_queue *wq; |
895427bd | 10117 | struct lpfc_sli_ring *pring; |
4f774513 | 10118 | |
895427bd JS |
10119 | /* Get the WQ */ |
10120 | if ((piocb->iocb_flag & LPFC_IO_FCP) || | |
10121 | (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
c00f62e6 | 10122 | wq = phba->sli4_hba.hdwq[piocb->hba_wqidx].io_wq; |
895427bd JS |
10123 | } else { |
10124 | wq = phba->sli4_hba.els_wq; | |
10125 | } | |
10126 | ||
10127 | /* Get corresponding ring */ | |
10128 | pring = wq->pring; | |
1c2ba475 | 10129 | |
b5c53958 JS |
10130 | /* |
10131 | * The WQE can be either 64 or 128 bytes, | |
b5c53958 | 10132 | */ |
b5c53958 | 10133 | |
cda7fa18 | 10134 | lockdep_assert_held(&pring->ring_lock); |
895427bd | 10135 | |
4f774513 JS |
10136 | if (piocb->sli4_xritag == NO_XRI) { |
10137 | if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
6b5151fd | 10138 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
4f774513 JS |
10139 | sglq = NULL; |
10140 | else { | |
0e9bb8d7 | 10141 | if (!list_empty(&pring->txq)) { |
2a9bf3d0 JS |
10142 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
10143 | __lpfc_sli_ringtx_put(phba, | |
10144 | pring, piocb); | |
10145 | return IOCB_SUCCESS; | |
10146 | } else { | |
10147 | return IOCB_BUSY; | |
10148 | } | |
10149 | } else { | |
895427bd | 10150 | sglq = __lpfc_sli_get_els_sglq(phba, piocb); |
2a9bf3d0 JS |
10151 | if (!sglq) { |
10152 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
10153 | __lpfc_sli_ringtx_put(phba, | |
10154 | pring, | |
10155 | piocb); | |
10156 | return IOCB_SUCCESS; | |
10157 | } else | |
10158 | return IOCB_BUSY; | |
10159 | } | |
10160 | } | |
4f774513 | 10161 | } |
2ea259ee | 10162 | } else if (piocb->iocb_flag & LPFC_IO_FCP) |
6d368e53 JS |
10163 | /* These IO's already have an XRI and a mapped sgl. */ |
10164 | sglq = NULL; | |
2ea259ee | 10165 | else { |
6d368e53 JS |
10166 | /* |
10167 | * This is a continuation of a commandi,(CX) so this | |
4f774513 JS |
10168 | * sglq is on the active list |
10169 | */ | |
edccdc17 | 10170 | sglq = __lpfc_get_active_sglq(phba, piocb->sli4_lxritag); |
4f774513 JS |
10171 | if (!sglq) |
10172 | return IOCB_ERROR; | |
10173 | } | |
10174 | ||
10175 | if (sglq) { | |
6d368e53 | 10176 | piocb->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 | 10177 | piocb->sli4_xritag = sglq->sli4_xritag; |
2a9bf3d0 | 10178 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq)) |
4f774513 JS |
10179 | return IOCB_ERROR; |
10180 | } | |
10181 | ||
205e8240 | 10182 | if (lpfc_sli4_iocb2wqe(phba, piocb, &wqe)) |
4f774513 JS |
10183 | return IOCB_ERROR; |
10184 | ||
205e8240 | 10185 | if (lpfc_sli4_wq_put(wq, &wqe)) |
895427bd | 10186 | return IOCB_ERROR; |
4f774513 JS |
10187 | lpfc_sli_ringtxcmpl_put(phba, pring, piocb); |
10188 | ||
10189 | return 0; | |
10190 | } | |
10191 | ||
7af29d45 | 10192 | /* |
4f774513 JS |
10193 | * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb |
10194 | * | |
10195 | * This routine wraps the actual lockless version for issusing IOCB function | |
10196 | * pointer from the lpfc_hba struct. | |
10197 | * | |
10198 | * Return codes: | |
b5c53958 JS |
10199 | * IOCB_ERROR - Error |
10200 | * IOCB_SUCCESS - Success | |
10201 | * IOCB_BUSY - Busy | |
4f774513 | 10202 | **/ |
2a9bf3d0 | 10203 | int |
4f774513 JS |
10204 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, |
10205 | struct lpfc_iocbq *piocb, uint32_t flag) | |
10206 | { | |
10207 | return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10208 | } | |
10209 | ||
10210 | /** | |
25985edc | 10211 | * lpfc_sli_api_table_setup - Set up sli api function jump table |
4f774513 JS |
10212 | * @phba: The hba struct for which this call is being executed. |
10213 | * @dev_grp: The HBA PCI-Device group number. | |
10214 | * | |
10215 | * This routine sets up the SLI interface API function jump table in @phba | |
10216 | * struct. | |
10217 | * Returns: 0 - success, -ENODEV - failure. | |
10218 | **/ | |
10219 | int | |
10220 | lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
10221 | { | |
10222 | ||
10223 | switch (dev_grp) { | |
10224 | case LPFC_PCI_DEV_LP: | |
10225 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3; | |
10226 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; | |
10227 | break; | |
10228 | case LPFC_PCI_DEV_OC: | |
10229 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; | |
10230 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; | |
10231 | break; | |
10232 | default: | |
372c187b | 10233 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
10234 | "1419 Invalid HBA PCI-device group: 0x%x\n", |
10235 | dev_grp); | |
10236 | return -ENODEV; | |
10237 | break; | |
10238 | } | |
10239 | phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq; | |
10240 | return 0; | |
10241 | } | |
10242 | ||
a1efe163 | 10243 | /** |
895427bd | 10244 | * lpfc_sli4_calc_ring - Calculates which ring to use |
a1efe163 | 10245 | * @phba: Pointer to HBA context object. |
a1efe163 JS |
10246 | * @piocb: Pointer to command iocb. |
10247 | * | |
895427bd JS |
10248 | * For SLI4 only, FCP IO can deferred to one fo many WQs, based on |
10249 | * hba_wqidx, thus we need to calculate the corresponding ring. | |
a1efe163 | 10250 | * Since ABORTS must go on the same WQ of the command they are |
895427bd | 10251 | * aborting, we use command's hba_wqidx. |
a1efe163 | 10252 | */ |
895427bd JS |
10253 | struct lpfc_sli_ring * |
10254 | lpfc_sli4_calc_ring(struct lpfc_hba *phba, struct lpfc_iocbq *piocb) | |
9bd2bff5 | 10255 | { |
c490850a | 10256 | struct lpfc_io_buf *lpfc_cmd; |
5e5b511d | 10257 | |
895427bd | 10258 | if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) { |
cdb42bec | 10259 | if (unlikely(!phba->sli4_hba.hdwq)) |
7370d10a JS |
10260 | return NULL; |
10261 | /* | |
10262 | * for abort iocb hba_wqidx should already | |
10263 | * be setup based on what work queue we used. | |
10264 | */ | |
10265 | if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
c490850a | 10266 | lpfc_cmd = (struct lpfc_io_buf *)piocb->context1; |
1fbf9742 | 10267 | piocb->hba_wqidx = lpfc_cmd->hdwq_no; |
9bd2bff5 | 10268 | } |
c00f62e6 | 10269 | return phba->sli4_hba.hdwq[piocb->hba_wqidx].io_wq->pring; |
895427bd JS |
10270 | } else { |
10271 | if (unlikely(!phba->sli4_hba.els_wq)) | |
10272 | return NULL; | |
10273 | piocb->hba_wqidx = 0; | |
10274 | return phba->sli4_hba.els_wq->pring; | |
9bd2bff5 | 10275 | } |
9bd2bff5 JS |
10276 | } |
10277 | ||
4f774513 JS |
10278 | /** |
10279 | * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb | |
10280 | * @phba: Pointer to HBA context object. | |
7af29d45 | 10281 | * @ring_number: Ring number |
4f774513 JS |
10282 | * @piocb: Pointer to command iocb. |
10283 | * @flag: Flag indicating if this command can be put into txq. | |
10284 | * | |
10285 | * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb | |
10286 | * function. This function gets the hbalock and calls | |
10287 | * __lpfc_sli_issue_iocb function and will return the error returned | |
10288 | * by __lpfc_sli_issue_iocb function. This wrapper is used by | |
10289 | * functions which do not hold hbalock. | |
10290 | **/ | |
10291 | int | |
10292 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, | |
10293 | struct lpfc_iocbq *piocb, uint32_t flag) | |
10294 | { | |
2a76a283 | 10295 | struct lpfc_sli_ring *pring; |
93a4d6f4 | 10296 | struct lpfc_queue *eq; |
4f774513 | 10297 | unsigned long iflags; |
6a828b0f | 10298 | int rc; |
4f774513 | 10299 | |
7e56aa25 | 10300 | if (phba->sli_rev == LPFC_SLI_REV4) { |
93a4d6f4 JS |
10301 | eq = phba->sli4_hba.hdwq[piocb->hba_wqidx].hba_eq; |
10302 | ||
895427bd JS |
10303 | pring = lpfc_sli4_calc_ring(phba, piocb); |
10304 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 10305 | return IOCB_ERROR; |
ba20c853 | 10306 | |
9bd2bff5 JS |
10307 | spin_lock_irqsave(&pring->ring_lock, iflags); |
10308 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10309 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
10310 | |
10311 | lpfc_sli4_poll_eq(eq, LPFC_POLL_FASTPATH); | |
7e56aa25 JS |
10312 | } else { |
10313 | /* For now, SLI2/3 will still use hbalock */ | |
10314 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10315 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10316 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10317 | } | |
4f774513 JS |
10318 | return rc; |
10319 | } | |
10320 | ||
10321 | /** | |
10322 | * lpfc_extra_ring_setup - Extra ring setup function | |
10323 | * @phba: Pointer to HBA context object. | |
10324 | * | |
10325 | * This function is called while driver attaches with the | |
10326 | * HBA to setup the extra ring. The extra ring is used | |
10327 | * only when driver needs to support target mode functionality | |
10328 | * or IP over FC functionalities. | |
10329 | * | |
895427bd | 10330 | * This function is called with no lock held. SLI3 only. |
4f774513 JS |
10331 | **/ |
10332 | static int | |
10333 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
10334 | { | |
10335 | struct lpfc_sli *psli; | |
10336 | struct lpfc_sli_ring *pring; | |
10337 | ||
10338 | psli = &phba->sli; | |
10339 | ||
10340 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
10341 | ||
10342 | /* Take some away from the FCP ring */ | |
895427bd | 10343 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
7e56aa25 JS |
10344 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
10345 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10346 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10347 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e | 10348 | |
a4bc3379 | 10349 | /* and give them to the extra ring */ |
895427bd | 10350 | pring = &psli->sli3_ring[LPFC_EXTRA_RING]; |
a4bc3379 | 10351 | |
7e56aa25 JS |
10352 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
10353 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10354 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10355 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e JW |
10356 | |
10357 | /* Setup default profile for this ring */ | |
10358 | pring->iotag_max = 4096; | |
10359 | pring->num_mask = 1; | |
10360 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
10361 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
10362 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
10363 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
10364 | return 0; | |
10365 | } | |
10366 | ||
cb69f7de JS |
10367 | /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port. |
10368 | * @phba: Pointer to HBA context object. | |
10369 | * @iocbq: Pointer to iocb object. | |
10370 | * | |
10371 | * The async_event handler calls this routine when it receives | |
10372 | * an ASYNC_STATUS_CN event from the port. The port generates | |
10373 | * this event when an Abort Sequence request to an rport fails | |
10374 | * twice in succession. The abort could be originated by the | |
10375 | * driver or by the port. The ABTS could have been for an ELS | |
10376 | * or FCP IO. The port only generates this event when an ABTS | |
10377 | * fails to complete after one retry. | |
10378 | */ | |
10379 | static void | |
10380 | lpfc_sli_abts_err_handler(struct lpfc_hba *phba, | |
10381 | struct lpfc_iocbq *iocbq) | |
10382 | { | |
10383 | struct lpfc_nodelist *ndlp = NULL; | |
10384 | uint16_t rpi = 0, vpi = 0; | |
10385 | struct lpfc_vport *vport = NULL; | |
10386 | ||
10387 | /* The rpi in the ulpContext is vport-sensitive. */ | |
10388 | vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag; | |
10389 | rpi = iocbq->iocb.ulpContext; | |
10390 | ||
10391 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
10392 | "3092 Port generated ABTS async event " | |
10393 | "on vpi %d rpi %d status 0x%x\n", | |
10394 | vpi, rpi, iocbq->iocb.ulpStatus); | |
10395 | ||
10396 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
10397 | if (!vport) | |
10398 | goto err_exit; | |
10399 | ndlp = lpfc_findnode_rpi(vport, rpi); | |
10400 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
10401 | goto err_exit; | |
10402 | ||
10403 | if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT) | |
10404 | lpfc_sli_abts_recover_port(vport, ndlp); | |
10405 | return; | |
10406 | ||
10407 | err_exit: | |
10408 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
10409 | "3095 Event Context not found, no " | |
10410 | "action on vpi %d rpi %d status 0x%x, reason 0x%x\n", | |
10411 | iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus, | |
10412 | vpi, rpi); | |
10413 | } | |
10414 | ||
10415 | /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port. | |
10416 | * @phba: pointer to HBA context object. | |
10417 | * @ndlp: nodelist pointer for the impacted rport. | |
10418 | * @axri: pointer to the wcqe containing the failed exchange. | |
10419 | * | |
10420 | * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the | |
10421 | * port. The port generates this event when an abort exchange request to an | |
10422 | * rport fails twice in succession with no reply. The abort could be originated | |
10423 | * by the driver or by the port. The ABTS could have been for an ELS or FCP IO. | |
10424 | */ | |
10425 | void | |
10426 | lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, | |
10427 | struct lpfc_nodelist *ndlp, | |
10428 | struct sli4_wcqe_xri_aborted *axri) | |
10429 | { | |
10430 | struct lpfc_vport *vport; | |
5c1db2ac | 10431 | uint32_t ext_status = 0; |
cb69f7de | 10432 | |
6b5151fd | 10433 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
cb69f7de JS |
10434 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
10435 | "3115 Node Context not found, driver " | |
10436 | "ignoring abts err event\n"); | |
6b5151fd JS |
10437 | return; |
10438 | } | |
10439 | ||
cb69f7de JS |
10440 | vport = ndlp->vport; |
10441 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
10442 | "3116 Port generated FCP XRI ABORT event on " | |
5c1db2ac | 10443 | "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", |
8e668af5 | 10444 | ndlp->vport->vpi, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], |
cb69f7de | 10445 | bf_get(lpfc_wcqe_xa_xri, axri), |
5c1db2ac JS |
10446 | bf_get(lpfc_wcqe_xa_status, axri), |
10447 | axri->parameter); | |
cb69f7de | 10448 | |
5c1db2ac JS |
10449 | /* |
10450 | * Catch the ABTS protocol failure case. Older OCe FW releases returned | |
10451 | * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and | |
10452 | * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. | |
10453 | */ | |
e3d2b802 | 10454 | ext_status = axri->parameter & IOERR_PARAM_MASK; |
5c1db2ac JS |
10455 | if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && |
10456 | ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) | |
cb69f7de JS |
10457 | lpfc_sli_abts_recover_port(vport, ndlp); |
10458 | } | |
10459 | ||
e59058c4 | 10460 | /** |
3621a710 | 10461 | * lpfc_sli_async_event_handler - ASYNC iocb handler function |
e59058c4 JS |
10462 | * @phba: Pointer to HBA context object. |
10463 | * @pring: Pointer to driver SLI ring object. | |
10464 | * @iocbq: Pointer to iocb object. | |
10465 | * | |
10466 | * This function is called by the slow ring event handler | |
10467 | * function when there is an ASYNC event iocb in the ring. | |
10468 | * This function is called with no lock held. | |
10469 | * Currently this function handles only temperature related | |
10470 | * ASYNC events. The function decodes the temperature sensor | |
10471 | * event message and posts events for the management applications. | |
10472 | **/ | |
98c9ea5c | 10473 | static void |
57127f15 JS |
10474 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
10475 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
10476 | { | |
10477 | IOCB_t *icmd; | |
10478 | uint16_t evt_code; | |
57127f15 JS |
10479 | struct temp_event temp_event_data; |
10480 | struct Scsi_Host *shost; | |
a257bf90 | 10481 | uint32_t *iocb_w; |
57127f15 JS |
10482 | |
10483 | icmd = &iocbq->iocb; | |
10484 | evt_code = icmd->un.asyncstat.evt_code; | |
57127f15 | 10485 | |
cb69f7de JS |
10486 | switch (evt_code) { |
10487 | case ASYNC_TEMP_WARN: | |
10488 | case ASYNC_TEMP_SAFE: | |
10489 | temp_event_data.data = (uint32_t) icmd->ulpContext; | |
10490 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
10491 | if (evt_code == ASYNC_TEMP_WARN) { | |
10492 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
372c187b | 10493 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
cb69f7de JS |
10494 | "0347 Adapter is very hot, please take " |
10495 | "corrective action. temperature : %d Celsius\n", | |
10496 | (uint32_t) icmd->ulpContext); | |
10497 | } else { | |
10498 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
372c187b | 10499 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
cb69f7de JS |
10500 | "0340 Adapter temperature is OK now. " |
10501 | "temperature : %d Celsius\n", | |
10502 | (uint32_t) icmd->ulpContext); | |
10503 | } | |
10504 | ||
10505 | /* Send temperature change event to applications */ | |
10506 | shost = lpfc_shost_from_vport(phba->pport); | |
10507 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
10508 | sizeof(temp_event_data), (char *) &temp_event_data, | |
10509 | LPFC_NL_VENDOR_ID); | |
10510 | break; | |
10511 | case ASYNC_STATUS_CN: | |
10512 | lpfc_sli_abts_err_handler(phba, iocbq); | |
10513 | break; | |
10514 | default: | |
a257bf90 | 10515 | iocb_w = (uint32_t *) icmd; |
372c187b | 10516 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
76bb24ef | 10517 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
e4e74273 | 10518 | " evt_code 0x%x\n" |
a257bf90 JS |
10519 | "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" |
10520 | "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" | |
10521 | "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" | |
10522 | "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", | |
cb69f7de | 10523 | pring->ringno, icmd->un.asyncstat.evt_code, |
a257bf90 JS |
10524 | iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], |
10525 | iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], | |
10526 | iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], | |
10527 | iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); | |
10528 | ||
cb69f7de | 10529 | break; |
57127f15 | 10530 | } |
57127f15 JS |
10531 | } |
10532 | ||
10533 | ||
e59058c4 | 10534 | /** |
895427bd | 10535 | * lpfc_sli4_setup - SLI ring setup function |
e59058c4 JS |
10536 | * @phba: Pointer to HBA context object. |
10537 | * | |
10538 | * lpfc_sli_setup sets up rings of the SLI interface with | |
10539 | * number of iocbs per ring and iotags. This function is | |
10540 | * called while driver attach to the HBA and before the | |
10541 | * interrupts are enabled. So there is no need for locking. | |
10542 | * | |
10543 | * This function always returns 0. | |
10544 | **/ | |
dea3101e | 10545 | int |
895427bd JS |
10546 | lpfc_sli4_setup(struct lpfc_hba *phba) |
10547 | { | |
10548 | struct lpfc_sli_ring *pring; | |
10549 | ||
10550 | pring = phba->sli4_hba.els_wq->pring; | |
10551 | pring->num_mask = LPFC_MAX_RING_MASK; | |
10552 | pring->prt[0].profile = 0; /* Mask 0 */ | |
10553 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; | |
10554 | pring->prt[0].type = FC_TYPE_ELS; | |
10555 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
10556 | lpfc_els_unsol_event; | |
10557 | pring->prt[1].profile = 0; /* Mask 1 */ | |
10558 | pring->prt[1].rctl = FC_RCTL_ELS_REP; | |
10559 | pring->prt[1].type = FC_TYPE_ELS; | |
10560 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
10561 | lpfc_els_unsol_event; | |
10562 | pring->prt[2].profile = 0; /* Mask 2 */ | |
10563 | /* NameServer Inquiry */ | |
10564 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; | |
10565 | /* NameServer */ | |
10566 | pring->prt[2].type = FC_TYPE_CT; | |
10567 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
10568 | lpfc_ct_unsol_event; | |
10569 | pring->prt[3].profile = 0; /* Mask 3 */ | |
10570 | /* NameServer response */ | |
10571 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; | |
10572 | /* NameServer */ | |
10573 | pring->prt[3].type = FC_TYPE_CT; | |
10574 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
10575 | lpfc_ct_unsol_event; | |
10576 | return 0; | |
10577 | } | |
10578 | ||
10579 | /** | |
10580 | * lpfc_sli_setup - SLI ring setup function | |
10581 | * @phba: Pointer to HBA context object. | |
10582 | * | |
10583 | * lpfc_sli_setup sets up rings of the SLI interface with | |
10584 | * number of iocbs per ring and iotags. This function is | |
10585 | * called while driver attach to the HBA and before the | |
10586 | * interrupts are enabled. So there is no need for locking. | |
10587 | * | |
10588 | * This function always returns 0. SLI3 only. | |
10589 | **/ | |
10590 | int | |
dea3101e JB |
10591 | lpfc_sli_setup(struct lpfc_hba *phba) |
10592 | { | |
ed957684 | 10593 | int i, totiocbsize = 0; |
dea3101e JB |
10594 | struct lpfc_sli *psli = &phba->sli; |
10595 | struct lpfc_sli_ring *pring; | |
10596 | ||
2a76a283 | 10597 | psli->num_rings = MAX_SLI3_CONFIGURED_RINGS; |
dea3101e | 10598 | psli->sli_flag = 0; |
dea3101e | 10599 | |
604a3e30 JB |
10600 | psli->iocbq_lookup = NULL; |
10601 | psli->iocbq_lookup_len = 0; | |
10602 | psli->last_iotag = 0; | |
10603 | ||
dea3101e | 10604 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 10605 | pring = &psli->sli3_ring[i]; |
dea3101e JB |
10606 | switch (i) { |
10607 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
10608 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
10609 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
10610 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
10611 | pring->sli.sli3.numCiocb += | |
10612 | SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
10613 | pring->sli.sli3.numRiocb += | |
10614 | SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10615 | pring->sli.sli3.numCiocb += | |
10616 | SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10617 | pring->sli.sli3.numRiocb += | |
10618 | SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
10619 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10620 | SLI3_IOCB_CMD_SIZE : |
10621 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10622 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10623 | SLI3_IOCB_RSP_SIZE : |
10624 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
10625 | pring->iotag_ctr = 0; |
10626 | pring->iotag_max = | |
92d7f7b0 | 10627 | (phba->cfg_hba_queue_depth * 2); |
dea3101e JB |
10628 | pring->fast_iotag = pring->iotag_max; |
10629 | pring->num_mask = 0; | |
10630 | break; | |
a4bc3379 | 10631 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e | 10632 | /* numCiocb and numRiocb are used in config_port */ |
7e56aa25 JS |
10633 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
10634 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
10635 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10636 | SLI3_IOCB_CMD_SIZE : |
10637 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10638 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10639 | SLI3_IOCB_RSP_SIZE : |
10640 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 10641 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e JB |
10642 | pring->num_mask = 0; |
10643 | break; | |
10644 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
10645 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
10646 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
10647 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
10648 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10649 | SLI3_IOCB_CMD_SIZE : |
10650 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10651 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10652 | SLI3_IOCB_RSP_SIZE : |
10653 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
10654 | pring->fast_iotag = 0; |
10655 | pring->iotag_ctr = 0; | |
10656 | pring->iotag_max = 4096; | |
57127f15 JS |
10657 | pring->lpfc_sli_rcv_async_status = |
10658 | lpfc_sli_async_event_handler; | |
6669f9bb | 10659 | pring->num_mask = LPFC_MAX_RING_MASK; |
dea3101e | 10660 | pring->prt[0].profile = 0; /* Mask 0 */ |
6a9c52cf JS |
10661 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; |
10662 | pring->prt[0].type = FC_TYPE_ELS; | |
dea3101e | 10663 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10664 | lpfc_els_unsol_event; |
dea3101e | 10665 | pring->prt[1].profile = 0; /* Mask 1 */ |
6a9c52cf JS |
10666 | pring->prt[1].rctl = FC_RCTL_ELS_REP; |
10667 | pring->prt[1].type = FC_TYPE_ELS; | |
dea3101e | 10668 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10669 | lpfc_els_unsol_event; |
dea3101e JB |
10670 | pring->prt[2].profile = 0; /* Mask 2 */ |
10671 | /* NameServer Inquiry */ | |
6a9c52cf | 10672 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; |
dea3101e | 10673 | /* NameServer */ |
6a9c52cf | 10674 | pring->prt[2].type = FC_TYPE_CT; |
dea3101e | 10675 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10676 | lpfc_ct_unsol_event; |
dea3101e JB |
10677 | pring->prt[3].profile = 0; /* Mask 3 */ |
10678 | /* NameServer response */ | |
6a9c52cf | 10679 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; |
dea3101e | 10680 | /* NameServer */ |
6a9c52cf | 10681 | pring->prt[3].type = FC_TYPE_CT; |
dea3101e | 10682 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10683 | lpfc_ct_unsol_event; |
dea3101e JB |
10684 | break; |
10685 | } | |
7e56aa25 JS |
10686 | totiocbsize += (pring->sli.sli3.numCiocb * |
10687 | pring->sli.sli3.sizeCiocb) + | |
10688 | (pring->sli.sli3.numRiocb * pring->sli.sli3.sizeRiocb); | |
dea3101e | 10689 | } |
ed957684 | 10690 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 10691 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
10692 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
10693 | "SLI2 SLIM Data: x%x x%lx\n", | |
10694 | phba->brd_no, totiocbsize, | |
10695 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 10696 | } |
cf5bf97e JW |
10697 | if (phba->cfg_multi_ring_support == 2) |
10698 | lpfc_extra_ring_setup(phba); | |
dea3101e JB |
10699 | |
10700 | return 0; | |
10701 | } | |
10702 | ||
e59058c4 | 10703 | /** |
895427bd | 10704 | * lpfc_sli4_queue_init - Queue initialization function |
e59058c4 JS |
10705 | * @phba: Pointer to HBA context object. |
10706 | * | |
895427bd | 10707 | * lpfc_sli4_queue_init sets up mailbox queues and iocb queues for each |
e59058c4 JS |
10708 | * ring. This function also initializes ring indices of each ring. |
10709 | * This function is called during the initialization of the SLI | |
10710 | * interface of an HBA. | |
10711 | * This function is called with no lock held and always returns | |
10712 | * 1. | |
10713 | **/ | |
895427bd JS |
10714 | void |
10715 | lpfc_sli4_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
10716 | { |
10717 | struct lpfc_sli *psli; | |
10718 | struct lpfc_sli_ring *pring; | |
604a3e30 | 10719 | int i; |
dea3101e JB |
10720 | |
10721 | psli = &phba->sli; | |
2e0fef85 | 10722 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10723 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 10724 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e | 10725 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
cdb42bec | 10726 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
c00f62e6 | 10727 | pring = phba->sli4_hba.hdwq[i].io_wq->pring; |
895427bd JS |
10728 | pring->flag = 0; |
10729 | pring->ringno = LPFC_FCP_RING; | |
c490850a | 10730 | pring->txcmplq_cnt = 0; |
895427bd JS |
10731 | INIT_LIST_HEAD(&pring->txq); |
10732 | INIT_LIST_HEAD(&pring->txcmplq); | |
10733 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10734 | spin_lock_init(&pring->ring_lock); | |
10735 | } | |
10736 | pring = phba->sli4_hba.els_wq->pring; | |
10737 | pring->flag = 0; | |
10738 | pring->ringno = LPFC_ELS_RING; | |
c490850a | 10739 | pring->txcmplq_cnt = 0; |
895427bd JS |
10740 | INIT_LIST_HEAD(&pring->txq); |
10741 | INIT_LIST_HEAD(&pring->txcmplq); | |
10742 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10743 | spin_lock_init(&pring->ring_lock); | |
dea3101e | 10744 | |
cdb42bec | 10745 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd JS |
10746 | pring = phba->sli4_hba.nvmels_wq->pring; |
10747 | pring->flag = 0; | |
10748 | pring->ringno = LPFC_ELS_RING; | |
c490850a | 10749 | pring->txcmplq_cnt = 0; |
895427bd JS |
10750 | INIT_LIST_HEAD(&pring->txq); |
10751 | INIT_LIST_HEAD(&pring->txcmplq); | |
10752 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10753 | spin_lock_init(&pring->ring_lock); | |
10754 | } | |
10755 | ||
10756 | spin_unlock_irq(&phba->hbalock); | |
10757 | } | |
10758 | ||
10759 | /** | |
10760 | * lpfc_sli_queue_init - Queue initialization function | |
10761 | * @phba: Pointer to HBA context object. | |
10762 | * | |
10763 | * lpfc_sli_queue_init sets up mailbox queues and iocb queues for each | |
10764 | * ring. This function also initializes ring indices of each ring. | |
10765 | * This function is called during the initialization of the SLI | |
10766 | * interface of an HBA. | |
10767 | * This function is called with no lock held and always returns | |
10768 | * 1. | |
10769 | **/ | |
10770 | void | |
10771 | lpfc_sli_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
10772 | { |
10773 | struct lpfc_sli *psli; | |
10774 | struct lpfc_sli_ring *pring; | |
604a3e30 | 10775 | int i; |
dea3101e JB |
10776 | |
10777 | psli = &phba->sli; | |
2e0fef85 | 10778 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10779 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 10780 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e JB |
10781 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
10782 | for (i = 0; i < psli->num_rings; i++) { | |
895427bd | 10783 | pring = &psli->sli3_ring[i]; |
dea3101e | 10784 | pring->ringno = i; |
7e56aa25 JS |
10785 | pring->sli.sli3.next_cmdidx = 0; |
10786 | pring->sli.sli3.local_getidx = 0; | |
10787 | pring->sli.sli3.cmdidx = 0; | |
dea3101e | 10788 | INIT_LIST_HEAD(&pring->iocb_continueq); |
9c2face6 | 10789 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 10790 | INIT_LIST_HEAD(&pring->postbufq); |
895427bd JS |
10791 | pring->flag = 0; |
10792 | INIT_LIST_HEAD(&pring->txq); | |
10793 | INIT_LIST_HEAD(&pring->txcmplq); | |
7e56aa25 | 10794 | spin_lock_init(&pring->ring_lock); |
dea3101e | 10795 | } |
2e0fef85 | 10796 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
10797 | } |
10798 | ||
04c68496 JS |
10799 | /** |
10800 | * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system | |
10801 | * @phba: Pointer to HBA context object. | |
10802 | * | |
10803 | * This routine flushes the mailbox command subsystem. It will unconditionally | |
10804 | * flush all the mailbox commands in the three possible stages in the mailbox | |
10805 | * command sub-system: pending mailbox command queue; the outstanding mailbox | |
10806 | * command; and completed mailbox command queue. It is caller's responsibility | |
10807 | * to make sure that the driver is in the proper state to flush the mailbox | |
10808 | * command sub-system. Namely, the posting of mailbox commands into the | |
10809 | * pending mailbox command queue from the various clients must be stopped; | |
10810 | * either the HBA is in a state that it will never works on the outstanding | |
10811 | * mailbox command (such as in EEH or ERATT conditions) or the outstanding | |
10812 | * mailbox command has been completed. | |
10813 | **/ | |
10814 | static void | |
10815 | lpfc_sli_mbox_sys_flush(struct lpfc_hba *phba) | |
10816 | { | |
10817 | LIST_HEAD(completions); | |
10818 | struct lpfc_sli *psli = &phba->sli; | |
10819 | LPFC_MBOXQ_t *pmb; | |
10820 | unsigned long iflag; | |
10821 | ||
523128e5 JS |
10822 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
10823 | local_bh_disable(); | |
10824 | ||
04c68496 JS |
10825 | /* Flush all the mailbox commands in the mbox system */ |
10826 | spin_lock_irqsave(&phba->hbalock, iflag); | |
523128e5 | 10827 | |
04c68496 JS |
10828 | /* The pending mailbox command queue */ |
10829 | list_splice_init(&phba->sli.mboxq, &completions); | |
10830 | /* The outstanding active mailbox command */ | |
10831 | if (psli->mbox_active) { | |
10832 | list_add_tail(&psli->mbox_active->list, &completions); | |
10833 | psli->mbox_active = NULL; | |
10834 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10835 | } | |
10836 | /* The completed mailbox command queue */ | |
10837 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
10838 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
10839 | ||
523128e5 JS |
10840 | /* Enable softirqs again, done with phba->hbalock */ |
10841 | local_bh_enable(); | |
10842 | ||
04c68496 JS |
10843 | /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */ |
10844 | while (!list_empty(&completions)) { | |
10845 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
10846 | pmb->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
10847 | if (pmb->mbox_cmpl) | |
10848 | pmb->mbox_cmpl(phba, pmb); | |
10849 | } | |
10850 | } | |
10851 | ||
e59058c4 | 10852 | /** |
3621a710 | 10853 | * lpfc_sli_host_down - Vport cleanup function |
e59058c4 JS |
10854 | * @vport: Pointer to virtual port object. |
10855 | * | |
10856 | * lpfc_sli_host_down is called to clean up the resources | |
10857 | * associated with a vport before destroying virtual | |
10858 | * port data structures. | |
10859 | * This function does following operations: | |
10860 | * - Free discovery resources associated with this virtual | |
10861 | * port. | |
10862 | * - Free iocbs associated with this virtual port in | |
10863 | * the txq. | |
10864 | * - Send abort for all iocb commands associated with this | |
10865 | * vport in txcmplq. | |
10866 | * | |
10867 | * This function is called with no lock held and always returns 1. | |
10868 | **/ | |
92d7f7b0 JS |
10869 | int |
10870 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
10871 | { | |
858c9f6c | 10872 | LIST_HEAD(completions); |
92d7f7b0 JS |
10873 | struct lpfc_hba *phba = vport->phba; |
10874 | struct lpfc_sli *psli = &phba->sli; | |
895427bd | 10875 | struct lpfc_queue *qp = NULL; |
92d7f7b0 JS |
10876 | struct lpfc_sli_ring *pring; |
10877 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
10878 | int i; |
10879 | unsigned long flags = 0; | |
10880 | uint16_t prev_pring_flag; | |
10881 | ||
10882 | lpfc_cleanup_discovery_resources(vport); | |
10883 | ||
10884 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 | 10885 | |
895427bd JS |
10886 | /* |
10887 | * Error everything on the txq since these iocbs | |
10888 | * have not been given to the FW yet. | |
10889 | * Also issue ABTS for everything on the txcmplq | |
10890 | */ | |
10891 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10892 | for (i = 0; i < psli->num_rings; i++) { | |
10893 | pring = &psli->sli3_ring[i]; | |
10894 | prev_pring_flag = pring->flag; | |
10895 | /* Only slow rings */ | |
10896 | if (pring->ringno == LPFC_ELS_RING) { | |
10897 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10898 | /* Set the lpfc data pending flag */ | |
10899 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10900 | } | |
10901 | list_for_each_entry_safe(iocb, next_iocb, | |
10902 | &pring->txq, list) { | |
10903 | if (iocb->vport != vport) | |
10904 | continue; | |
10905 | list_move_tail(&iocb->list, &completions); | |
10906 | } | |
10907 | list_for_each_entry_safe(iocb, next_iocb, | |
10908 | &pring->txcmplq, list) { | |
10909 | if (iocb->vport != vport) | |
10910 | continue; | |
10911 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10912 | } | |
10913 | pring->flag = prev_pring_flag; | |
10914 | } | |
10915 | } else { | |
10916 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10917 | pring = qp->pring; | |
10918 | if (!pring) | |
92d7f7b0 | 10919 | continue; |
895427bd JS |
10920 | if (pring == phba->sli4_hba.els_wq->pring) { |
10921 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10922 | /* Set the lpfc data pending flag */ | |
10923 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10924 | } | |
10925 | prev_pring_flag = pring->flag; | |
65a3df63 | 10926 | spin_lock(&pring->ring_lock); |
895427bd JS |
10927 | list_for_each_entry_safe(iocb, next_iocb, |
10928 | &pring->txq, list) { | |
10929 | if (iocb->vport != vport) | |
10930 | continue; | |
10931 | list_move_tail(&iocb->list, &completions); | |
10932 | } | |
65a3df63 | 10933 | spin_unlock(&pring->ring_lock); |
895427bd JS |
10934 | list_for_each_entry_safe(iocb, next_iocb, |
10935 | &pring->txcmplq, list) { | |
10936 | if (iocb->vport != vport) | |
10937 | continue; | |
10938 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10939 | } | |
10940 | pring->flag = prev_pring_flag; | |
92d7f7b0 | 10941 | } |
92d7f7b0 | 10942 | } |
92d7f7b0 JS |
10943 | spin_unlock_irqrestore(&phba->hbalock, flags); |
10944 | ||
a257bf90 JS |
10945 | /* Cancel all the IOCBs from the completions list */ |
10946 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10947 | IOERR_SLI_DOWN); | |
92d7f7b0 JS |
10948 | return 1; |
10949 | } | |
10950 | ||
e59058c4 | 10951 | /** |
3621a710 | 10952 | * lpfc_sli_hba_down - Resource cleanup function for the HBA |
e59058c4 JS |
10953 | * @phba: Pointer to HBA context object. |
10954 | * | |
10955 | * This function cleans up all iocb, buffers, mailbox commands | |
10956 | * while shutting down the HBA. This function is called with no | |
10957 | * lock held and always returns 1. | |
10958 | * This function does the following to cleanup driver resources: | |
10959 | * - Free discovery resources for each virtual port | |
10960 | * - Cleanup any pending fabric iocbs | |
10961 | * - Iterate through the iocb txq and free each entry | |
10962 | * in the list. | |
10963 | * - Free up any buffer posted to the HBA | |
10964 | * - Free mailbox commands in the mailbox queue. | |
10965 | **/ | |
dea3101e | 10966 | int |
2e0fef85 | 10967 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 10968 | { |
2534ba75 | 10969 | LIST_HEAD(completions); |
2e0fef85 | 10970 | struct lpfc_sli *psli = &phba->sli; |
895427bd | 10971 | struct lpfc_queue *qp = NULL; |
dea3101e | 10972 | struct lpfc_sli_ring *pring; |
0ff10d46 | 10973 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 10974 | unsigned long flags = 0; |
04c68496 JS |
10975 | int i; |
10976 | ||
10977 | /* Shutdown the mailbox command sub-system */ | |
618a5230 | 10978 | lpfc_sli_mbox_sys_shutdown(phba, LPFC_MBX_WAIT); |
dea3101e | 10979 | |
dea3101e JB |
10980 | lpfc_hba_down_prep(phba); |
10981 | ||
523128e5 JS |
10982 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
10983 | local_bh_disable(); | |
10984 | ||
92d7f7b0 JS |
10985 | lpfc_fabric_abort_hba(phba); |
10986 | ||
2e0fef85 | 10987 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 10988 | |
895427bd JS |
10989 | /* |
10990 | * Error everything on the txq since these iocbs | |
10991 | * have not been given to the FW yet. | |
10992 | */ | |
10993 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10994 | for (i = 0; i < psli->num_rings; i++) { | |
10995 | pring = &psli->sli3_ring[i]; | |
10996 | /* Only slow rings */ | |
10997 | if (pring->ringno == LPFC_ELS_RING) { | |
10998 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10999 | /* Set the lpfc data pending flag */ | |
11000 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
11001 | } | |
11002 | list_splice_init(&pring->txq, &completions); | |
11003 | } | |
11004 | } else { | |
11005 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
11006 | pring = qp->pring; | |
11007 | if (!pring) | |
11008 | continue; | |
4b0a42be | 11009 | spin_lock(&pring->ring_lock); |
895427bd | 11010 | list_splice_init(&pring->txq, &completions); |
4b0a42be | 11011 | spin_unlock(&pring->ring_lock); |
895427bd JS |
11012 | if (pring == phba->sli4_hba.els_wq->pring) { |
11013 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
11014 | /* Set the lpfc data pending flag */ | |
11015 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
11016 | } | |
11017 | } | |
2534ba75 | 11018 | } |
2e0fef85 | 11019 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 11020 | |
a257bf90 JS |
11021 | /* Cancel all the IOCBs from the completions list */ |
11022 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
11023 | IOERR_SLI_DOWN); | |
dea3101e | 11024 | |
0ff10d46 JS |
11025 | spin_lock_irqsave(&phba->hbalock, flags); |
11026 | list_splice_init(&phba->elsbuf, &completions); | |
11027 | phba->elsbuf_cnt = 0; | |
11028 | phba->elsbuf_prev_cnt = 0; | |
11029 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
11030 | ||
11031 | while (!list_empty(&completions)) { | |
11032 | list_remove_head(&completions, buf_ptr, | |
11033 | struct lpfc_dmabuf, list); | |
11034 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
11035 | kfree(buf_ptr); | |
11036 | } | |
11037 | ||
523128e5 JS |
11038 | /* Enable softirqs again, done with phba->hbalock */ |
11039 | local_bh_enable(); | |
11040 | ||
dea3101e JB |
11041 | /* Return any active mbox cmds */ |
11042 | del_timer_sync(&psli->mbox_tmo); | |
2e0fef85 | 11043 | |
da0436e9 | 11044 | spin_lock_irqsave(&phba->pport->work_port_lock, flags); |
2e0fef85 | 11045 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
da0436e9 | 11046 | spin_unlock_irqrestore(&phba->pport->work_port_lock, flags); |
2e0fef85 | 11047 | |
da0436e9 JS |
11048 | return 1; |
11049 | } | |
11050 | ||
e59058c4 | 11051 | /** |
3621a710 | 11052 | * lpfc_sli_pcimem_bcopy - SLI memory copy function |
e59058c4 JS |
11053 | * @srcp: Source memory pointer. |
11054 | * @destp: Destination memory pointer. | |
11055 | * @cnt: Number of words required to be copied. | |
11056 | * | |
11057 | * This function is used for copying data between driver memory | |
11058 | * and the SLI memory. This function also changes the endianness | |
11059 | * of each word if native endianness is different from SLI | |
11060 | * endianness. This function can be called with or without | |
11061 | * lock. | |
11062 | **/ | |
dea3101e JB |
11063 | void |
11064 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
11065 | { | |
11066 | uint32_t *src = srcp; | |
11067 | uint32_t *dest = destp; | |
11068 | uint32_t ldata; | |
11069 | int i; | |
11070 | ||
11071 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
11072 | ldata = *src; | |
11073 | ldata = le32_to_cpu(ldata); | |
11074 | *dest = ldata; | |
11075 | src++; | |
11076 | dest++; | |
11077 | } | |
11078 | } | |
11079 | ||
e59058c4 | 11080 | |
a0c87cbd JS |
11081 | /** |
11082 | * lpfc_sli_bemem_bcopy - SLI memory copy function | |
11083 | * @srcp: Source memory pointer. | |
11084 | * @destp: Destination memory pointer. | |
11085 | * @cnt: Number of words required to be copied. | |
11086 | * | |
11087 | * This function is used for copying data between a data structure | |
11088 | * with big endian representation to local endianness. | |
11089 | * This function can be called with or without lock. | |
11090 | **/ | |
11091 | void | |
11092 | lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
11093 | { | |
11094 | uint32_t *src = srcp; | |
11095 | uint32_t *dest = destp; | |
11096 | uint32_t ldata; | |
11097 | int i; | |
11098 | ||
11099 | for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) { | |
11100 | ldata = *src; | |
11101 | ldata = be32_to_cpu(ldata); | |
11102 | *dest = ldata; | |
11103 | src++; | |
11104 | dest++; | |
11105 | } | |
11106 | } | |
11107 | ||
e59058c4 | 11108 | /** |
3621a710 | 11109 | * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq |
e59058c4 JS |
11110 | * @phba: Pointer to HBA context object. |
11111 | * @pring: Pointer to driver SLI ring object. | |
11112 | * @mp: Pointer to driver buffer object. | |
11113 | * | |
11114 | * This function is called with no lock held. | |
11115 | * It always return zero after adding the buffer to the postbufq | |
11116 | * buffer list. | |
11117 | **/ | |
dea3101e | 11118 | int |
2e0fef85 JS |
11119 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
11120 | struct lpfc_dmabuf *mp) | |
dea3101e JB |
11121 | { |
11122 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
11123 | later */ | |
2e0fef85 | 11124 | spin_lock_irq(&phba->hbalock); |
dea3101e | 11125 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 11126 | pring->postbufq_cnt++; |
2e0fef85 | 11127 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
11128 | return 0; |
11129 | } | |
11130 | ||
e59058c4 | 11131 | /** |
3621a710 | 11132 | * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer |
e59058c4 JS |
11133 | * @phba: Pointer to HBA context object. |
11134 | * | |
11135 | * When HBQ is enabled, buffers are searched based on tags. This function | |
11136 | * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The | |
11137 | * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag | |
11138 | * does not conflict with tags of buffer posted for unsolicited events. | |
11139 | * The function returns the allocated tag. The function is called with | |
11140 | * no locks held. | |
11141 | **/ | |
76bb24ef JS |
11142 | uint32_t |
11143 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
11144 | { | |
11145 | spin_lock_irq(&phba->hbalock); | |
11146 | phba->buffer_tag_count++; | |
11147 | /* | |
11148 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
11149 | * a tag assigned by HBQ. | |
11150 | */ | |
11151 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
11152 | spin_unlock_irq(&phba->hbalock); | |
11153 | return phba->buffer_tag_count; | |
11154 | } | |
11155 | ||
e59058c4 | 11156 | /** |
3621a710 | 11157 | * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag |
e59058c4 JS |
11158 | * @phba: Pointer to HBA context object. |
11159 | * @pring: Pointer to driver SLI ring object. | |
11160 | * @tag: Buffer tag. | |
11161 | * | |
11162 | * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq | |
11163 | * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX | |
11164 | * iocb is posted to the response ring with the tag of the buffer. | |
11165 | * This function searches the pring->postbufq list using the tag | |
11166 | * to find buffer associated with CMD_IOCB_RET_XRI64_CX | |
11167 | * iocb. If the buffer is found then lpfc_dmabuf object of the | |
11168 | * buffer is returned to the caller else NULL is returned. | |
11169 | * This function is called with no lock held. | |
11170 | **/ | |
76bb24ef JS |
11171 | struct lpfc_dmabuf * |
11172 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11173 | uint32_t tag) | |
11174 | { | |
11175 | struct lpfc_dmabuf *mp, *next_mp; | |
11176 | struct list_head *slp = &pring->postbufq; | |
11177 | ||
25985edc | 11178 | /* Search postbufq, from the beginning, looking for a match on tag */ |
76bb24ef JS |
11179 | spin_lock_irq(&phba->hbalock); |
11180 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
11181 | if (mp->buffer_tag == tag) { | |
11182 | list_del_init(&mp->list); | |
11183 | pring->postbufq_cnt--; | |
11184 | spin_unlock_irq(&phba->hbalock); | |
11185 | return mp; | |
11186 | } | |
11187 | } | |
11188 | ||
11189 | spin_unlock_irq(&phba->hbalock); | |
372c187b | 11190 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
d7c255b2 | 11191 | "0402 Cannot find virtual addr for buffer tag on " |
32350664 | 11192 | "ring %d Data x%lx x%px x%px x%x\n", |
76bb24ef JS |
11193 | pring->ringno, (unsigned long) tag, |
11194 | slp->next, slp->prev, pring->postbufq_cnt); | |
11195 | ||
11196 | return NULL; | |
11197 | } | |
dea3101e | 11198 | |
e59058c4 | 11199 | /** |
3621a710 | 11200 | * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events |
e59058c4 JS |
11201 | * @phba: Pointer to HBA context object. |
11202 | * @pring: Pointer to driver SLI ring object. | |
11203 | * @phys: DMA address of the buffer. | |
11204 | * | |
11205 | * This function searches the buffer list using the dma_address | |
11206 | * of unsolicited event to find the driver's lpfc_dmabuf object | |
11207 | * corresponding to the dma_address. The function returns the | |
11208 | * lpfc_dmabuf object if a buffer is found else it returns NULL. | |
11209 | * This function is called by the ct and els unsolicited event | |
11210 | * handlers to get the buffer associated with the unsolicited | |
11211 | * event. | |
11212 | * | |
11213 | * This function is called with no lock held. | |
11214 | **/ | |
dea3101e JB |
11215 | struct lpfc_dmabuf * |
11216 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11217 | dma_addr_t phys) | |
11218 | { | |
11219 | struct lpfc_dmabuf *mp, *next_mp; | |
11220 | struct list_head *slp = &pring->postbufq; | |
11221 | ||
25985edc | 11222 | /* Search postbufq, from the beginning, looking for a match on phys */ |
2e0fef85 | 11223 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
11224 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
11225 | if (mp->phys == phys) { | |
11226 | list_del_init(&mp->list); | |
11227 | pring->postbufq_cnt--; | |
2e0fef85 | 11228 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
11229 | return mp; |
11230 | } | |
11231 | } | |
11232 | ||
2e0fef85 | 11233 | spin_unlock_irq(&phba->hbalock); |
372c187b | 11234 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 11235 | "0410 Cannot find virtual addr for mapped buf on " |
32350664 | 11236 | "ring %d Data x%llx x%px x%px x%x\n", |
e8b62011 | 11237 | pring->ringno, (unsigned long long)phys, |
dea3101e JB |
11238 | slp->next, slp->prev, pring->postbufq_cnt); |
11239 | return NULL; | |
11240 | } | |
11241 | ||
e59058c4 | 11242 | /** |
3621a710 | 11243 | * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs |
e59058c4 JS |
11244 | * @phba: Pointer to HBA context object. |
11245 | * @cmdiocb: Pointer to driver command iocb object. | |
11246 | * @rspiocb: Pointer to driver response iocb object. | |
11247 | * | |
11248 | * This function is the completion handler for the abort iocbs for | |
11249 | * ELS commands. This function is called from the ELS ring event | |
11250 | * handler with no lock held. This function frees memory resources | |
11251 | * associated with the abort iocb. | |
11252 | **/ | |
dea3101e | 11253 | static void |
2e0fef85 JS |
11254 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
11255 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 11256 | { |
2e0fef85 | 11257 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 11258 | uint16_t abort_iotag, abort_context; |
ff78d8f9 | 11259 | struct lpfc_iocbq *abort_iocb = NULL; |
2680eeaa JS |
11260 | |
11261 | if (irsp->ulpStatus) { | |
ff78d8f9 JS |
11262 | |
11263 | /* | |
11264 | * Assume that the port already completed and returned, or | |
11265 | * will return the iocb. Just Log the message. | |
11266 | */ | |
2680eeaa JS |
11267 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; |
11268 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
11269 | ||
2e0fef85 | 11270 | spin_lock_irq(&phba->hbalock); |
45ed1190 | 11271 | if (phba->sli_rev < LPFC_SLI_REV4) { |
faa832e9 JS |
11272 | if (irsp->ulpCommand == CMD_ABORT_XRI_CX && |
11273 | irsp->ulpStatus == IOSTAT_LOCAL_REJECT && | |
11274 | irsp->un.ulpWord[4] == IOERR_ABORT_REQUESTED) { | |
11275 | spin_unlock_irq(&phba->hbalock); | |
11276 | goto release_iocb; | |
11277 | } | |
45ed1190 JS |
11278 | if (abort_iotag != 0 && |
11279 | abort_iotag <= phba->sli.last_iotag) | |
11280 | abort_iocb = | |
11281 | phba->sli.iocbq_lookup[abort_iotag]; | |
11282 | } else | |
11283 | /* For sli4 the abort_tag is the XRI, | |
11284 | * so the abort routine puts the iotag of the iocb | |
11285 | * being aborted in the context field of the abort | |
11286 | * IOCB. | |
11287 | */ | |
11288 | abort_iocb = phba->sli.iocbq_lookup[abort_context]; | |
2680eeaa | 11289 | |
2a9bf3d0 | 11290 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI, |
32350664 | 11291 | "0327 Cannot abort els iocb x%px " |
2a9bf3d0 JS |
11292 | "with tag %x context %x, abort status %x, " |
11293 | "abort code %x\n", | |
11294 | abort_iocb, abort_iotag, abort_context, | |
11295 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
341af102 | 11296 | |
ff78d8f9 | 11297 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 11298 | } |
faa832e9 | 11299 | release_iocb: |
604a3e30 | 11300 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e JB |
11301 | return; |
11302 | } | |
11303 | ||
e59058c4 | 11304 | /** |
3621a710 | 11305 | * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command |
e59058c4 JS |
11306 | * @phba: Pointer to HBA context object. |
11307 | * @cmdiocb: Pointer to driver command iocb object. | |
11308 | * @rspiocb: Pointer to driver response iocb object. | |
11309 | * | |
11310 | * The function is called from SLI ring event handler with no | |
11311 | * lock held. This function is the completion handler for ELS commands | |
11312 | * which are aborted. The function frees memory resources used for | |
11313 | * the aborted ELS commands. | |
11314 | **/ | |
92d7f7b0 JS |
11315 | static void |
11316 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
11317 | struct lpfc_iocbq *rspiocb) | |
11318 | { | |
11319 | IOCB_t *irsp = &rspiocb->iocb; | |
11320 | ||
11321 | /* ELS cmd tag <ulpIoTag> completes */ | |
11322 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
d7c255b2 | 11323 | "0139 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 11324 | "x%x x%x x%x\n", |
e8b62011 | 11325 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 11326 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
11327 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
11328 | lpfc_ct_free_iocb(phba, cmdiocb); | |
11329 | else | |
11330 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
11331 | return; |
11332 | } | |
11333 | ||
e59058c4 | 11334 | /** |
5af5eee7 | 11335 | * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb |
e59058c4 JS |
11336 | * @phba: Pointer to HBA context object. |
11337 | * @pring: Pointer to driver SLI ring object. | |
11338 | * @cmdiocb: Pointer to driver command iocb object. | |
11339 | * | |
5af5eee7 JS |
11340 | * This function issues an abort iocb for the provided command iocb down to |
11341 | * the port. Other than the case the outstanding command iocb is an abort | |
11342 | * request, this function issues abort out unconditionally. This function is | |
11343 | * called with hbalock held. The function returns 0 when it fails due to | |
11344 | * memory allocation failure or when the command iocb is an abort request. | |
88acb4d9 | 11345 | * The hbalock is asserted held in the code path calling this routine. |
e59058c4 | 11346 | **/ |
5af5eee7 JS |
11347 | static int |
11348 | lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 11349 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 11350 | { |
2e0fef85 | 11351 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 11352 | struct lpfc_iocbq *abtsiocbp; |
dea3101e JB |
11353 | IOCB_t *icmd = NULL; |
11354 | IOCB_t *iabt = NULL; | |
5af5eee7 | 11355 | int retval; |
7e56aa25 | 11356 | unsigned long iflags; |
faa832e9 | 11357 | struct lpfc_nodelist *ndlp; |
07951076 | 11358 | |
92d7f7b0 JS |
11359 | /* |
11360 | * There are certain command types we don't want to abort. And we | |
11361 | * don't want to abort commands that are already in the process of | |
11362 | * being aborted. | |
07951076 JS |
11363 | */ |
11364 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 11365 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
11366 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
11367 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
11368 | return 0; |
11369 | ||
dea3101e | 11370 | /* issue ABTS for this IOCB based on iotag */ |
92d7f7b0 | 11371 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
11372 | if (abtsiocbp == NULL) |
11373 | return 0; | |
dea3101e | 11374 | |
07951076 | 11375 | /* This signals the response to set the correct status |
341af102 | 11376 | * before calling the completion handler |
07951076 JS |
11377 | */ |
11378 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11379 | ||
dea3101e | 11380 | iabt = &abtsiocbp->iocb; |
07951076 JS |
11381 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
11382 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
45ed1190 | 11383 | if (phba->sli_rev == LPFC_SLI_REV4) { |
da0436e9 | 11384 | iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag; |
45ed1190 | 11385 | iabt->un.acxri.abortContextTag = cmdiocb->iotag; |
faa832e9 | 11386 | } else { |
da0436e9 | 11387 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; |
faa832e9 JS |
11388 | if (pring->ringno == LPFC_ELS_RING) { |
11389 | ndlp = (struct lpfc_nodelist *)(cmdiocb->context1); | |
11390 | iabt->un.acxri.abortContextTag = ndlp->nlp_rpi; | |
11391 | } | |
11392 | } | |
07951076 JS |
11393 | iabt->ulpLe = 1; |
11394 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 11395 | |
5ffc266e | 11396 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 11397 | abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx; |
341af102 JS |
11398 | if (cmdiocb->iocb_flag & LPFC_IO_FCP) |
11399 | abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11400 | if (cmdiocb->iocb_flag & LPFC_IO_FOF) |
11401 | abtsiocbp->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 11402 | |
2e0fef85 | 11403 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
11404 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
11405 | else | |
11406 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 11407 | |
07951076 | 11408 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
e6c6acc0 | 11409 | abtsiocbp->vport = vport; |
5b8bd0c9 | 11410 | |
e8b62011 JS |
11411 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
11412 | "0339 Abort xri x%x, original iotag x%x, " | |
11413 | "abort cmd iotag x%x\n", | |
2a9bf3d0 | 11414 | iabt->un.acxri.abortIoTag, |
e8b62011 | 11415 | iabt->un.acxri.abortContextTag, |
2a9bf3d0 | 11416 | abtsiocbp->iotag); |
7e56aa25 JS |
11417 | |
11418 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
895427bd JS |
11419 | pring = lpfc_sli4_calc_ring(phba, abtsiocbp); |
11420 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 11421 | return 0; |
7e56aa25 JS |
11422 | /* Note: both hbalock and ring_lock need to be set here */ |
11423 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
11424 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11425 | abtsiocbp, 0); | |
11426 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
11427 | } else { | |
11428 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11429 | abtsiocbp, 0); | |
11430 | } | |
dea3101e | 11431 | |
d7c255b2 JS |
11432 | if (retval) |
11433 | __lpfc_sli_release_iocbq(phba, abtsiocbp); | |
5af5eee7 JS |
11434 | |
11435 | /* | |
11436 | * Caller to this routine should check for IOCB_ERROR | |
11437 | * and handle it properly. This routine no longer removes | |
11438 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
11439 | */ | |
11440 | return retval; | |
11441 | } | |
11442 | ||
11443 | /** | |
11444 | * lpfc_sli_issue_abort_iotag - Abort function for a command iocb | |
11445 | * @phba: Pointer to HBA context object. | |
11446 | * @pring: Pointer to driver SLI ring object. | |
11447 | * @cmdiocb: Pointer to driver command iocb object. | |
11448 | * | |
11449 | * This function issues an abort iocb for the provided command iocb. In case | |
11450 | * of unloading, the abort iocb will not be issued to commands on the ELS | |
11451 | * ring. Instead, the callback function shall be changed to those commands | |
11452 | * so that nothing happens when them finishes. This function is called with | |
11453 | * hbalock held. The function returns 0 when the command iocb is an abort | |
11454 | * request. | |
11455 | **/ | |
11456 | int | |
11457 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11458 | struct lpfc_iocbq *cmdiocb) | |
11459 | { | |
11460 | struct lpfc_vport *vport = cmdiocb->vport; | |
11461 | int retval = IOCB_ERROR; | |
11462 | IOCB_t *icmd = NULL; | |
11463 | ||
1c2ba475 JT |
11464 | lockdep_assert_held(&phba->hbalock); |
11465 | ||
5af5eee7 JS |
11466 | /* |
11467 | * There are certain command types we don't want to abort. And we | |
11468 | * don't want to abort commands that are already in the process of | |
11469 | * being aborted. | |
11470 | */ | |
11471 | icmd = &cmdiocb->iocb; | |
11472 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || | |
11473 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
11474 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
11475 | return 0; | |
11476 | ||
1234a6d5 DK |
11477 | if (!pring) { |
11478 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
11479 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
11480 | else | |
11481 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
11482 | goto abort_iotag_exit; | |
11483 | } | |
11484 | ||
5af5eee7 JS |
11485 | /* |
11486 | * If we're unloading, don't abort iocb on the ELS ring, but change | |
11487 | * the callback so that nothing happens when it finishes. | |
11488 | */ | |
11489 | if ((vport->load_flag & FC_UNLOADING) && | |
11490 | (pring->ringno == LPFC_ELS_RING)) { | |
11491 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
11492 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
11493 | else | |
11494 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
11495 | goto abort_iotag_exit; | |
11496 | } | |
11497 | ||
11498 | /* Now, we try to issue the abort to the cmdiocb out */ | |
11499 | retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb); | |
11500 | ||
07951076 | 11501 | abort_iotag_exit: |
2e0fef85 JS |
11502 | /* |
11503 | * Caller to this routine should check for IOCB_ERROR | |
11504 | * and handle it properly. This routine no longer removes | |
11505 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 11506 | */ |
2e0fef85 | 11507 | return retval; |
dea3101e JB |
11508 | } |
11509 | ||
5af5eee7 JS |
11510 | /** |
11511 | * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. | |
11512 | * @phba: pointer to lpfc HBA data structure. | |
11513 | * | |
11514 | * This routine will abort all pending and outstanding iocbs to an HBA. | |
11515 | **/ | |
11516 | void | |
11517 | lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba) | |
11518 | { | |
11519 | struct lpfc_sli *psli = &phba->sli; | |
11520 | struct lpfc_sli_ring *pring; | |
895427bd | 11521 | struct lpfc_queue *qp = NULL; |
5af5eee7 JS |
11522 | int i; |
11523 | ||
895427bd JS |
11524 | if (phba->sli_rev != LPFC_SLI_REV4) { |
11525 | for (i = 0; i < psli->num_rings; i++) { | |
11526 | pring = &psli->sli3_ring[i]; | |
11527 | lpfc_sli_abort_iocb_ring(phba, pring); | |
11528 | } | |
11529 | return; | |
11530 | } | |
11531 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
11532 | pring = qp->pring; | |
11533 | if (!pring) | |
11534 | continue; | |
db55fba8 | 11535 | lpfc_sli_abort_iocb_ring(phba, pring); |
5af5eee7 JS |
11536 | } |
11537 | } | |
11538 | ||
e59058c4 | 11539 | /** |
3621a710 | 11540 | * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN |
e59058c4 JS |
11541 | * @iocbq: Pointer to driver iocb object. |
11542 | * @vport: Pointer to driver virtual port object. | |
11543 | * @tgt_id: SCSI ID of the target. | |
11544 | * @lun_id: LUN ID of the scsi device. | |
11545 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST | |
11546 | * | |
3621a710 | 11547 | * This function acts as an iocb filter for functions which abort or count |
e59058c4 JS |
11548 | * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return |
11549 | * 0 if the filtering criteria is met for the given iocb and will return | |
11550 | * 1 if the filtering criteria is not met. | |
11551 | * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the | |
11552 | * given iocb is for the SCSI device specified by vport, tgt_id and | |
11553 | * lun_id parameter. | |
11554 | * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the | |
11555 | * given iocb is for the SCSI target specified by vport and tgt_id | |
11556 | * parameters. | |
11557 | * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the | |
11558 | * given iocb is for the SCSI host associated with the given vport. | |
11559 | * This function is called with no locks held. | |
11560 | **/ | |
dea3101e | 11561 | static int |
51ef4c26 JS |
11562 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
11563 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 11564 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 11565 | { |
c490850a | 11566 | struct lpfc_io_buf *lpfc_cmd; |
dea3101e JB |
11567 | int rc = 1; |
11568 | ||
b0e83012 | 11569 | if (iocbq->vport != vport) |
0bd4ca25 JSEC |
11570 | return rc; |
11571 | ||
b0e83012 JS |
11572 | if (!(iocbq->iocb_flag & LPFC_IO_FCP) || |
11573 | !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) | |
51ef4c26 JS |
11574 | return rc; |
11575 | ||
c490850a | 11576 | lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq); |
0bd4ca25 | 11577 | |
495a714c | 11578 | if (lpfc_cmd->pCmd == NULL) |
dea3101e JB |
11579 | return rc; |
11580 | ||
11581 | switch (ctx_cmd) { | |
11582 | case LPFC_CTX_LUN: | |
b0e83012 | 11583 | if ((lpfc_cmd->rdata) && (lpfc_cmd->rdata->pnode) && |
495a714c JS |
11584 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id) && |
11585 | (scsilun_to_int(&lpfc_cmd->fcp_cmnd->fcp_lun) == lun_id)) | |
dea3101e JB |
11586 | rc = 0; |
11587 | break; | |
11588 | case LPFC_CTX_TGT: | |
b0e83012 | 11589 | if ((lpfc_cmd->rdata) && (lpfc_cmd->rdata->pnode) && |
495a714c | 11590 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id)) |
dea3101e JB |
11591 | rc = 0; |
11592 | break; | |
dea3101e JB |
11593 | case LPFC_CTX_HOST: |
11594 | rc = 0; | |
11595 | break; | |
11596 | default: | |
11597 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
cadbd4a5 | 11598 | __func__, ctx_cmd); |
dea3101e JB |
11599 | break; |
11600 | } | |
11601 | ||
11602 | return rc; | |
11603 | } | |
11604 | ||
e59058c4 | 11605 | /** |
3621a710 | 11606 | * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending |
e59058c4 JS |
11607 | * @vport: Pointer to virtual port. |
11608 | * @tgt_id: SCSI ID of the target. | |
11609 | * @lun_id: LUN ID of the scsi device. | |
11610 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11611 | * | |
11612 | * This function returns number of FCP commands pending for the vport. | |
11613 | * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP | |
11614 | * commands pending on the vport associated with SCSI device specified | |
11615 | * by tgt_id and lun_id parameters. | |
11616 | * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP | |
11617 | * commands pending on the vport associated with SCSI target specified | |
11618 | * by tgt_id parameter. | |
11619 | * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP | |
11620 | * commands pending on the vport. | |
11621 | * This function returns the number of iocbs which satisfy the filter. | |
11622 | * This function is called without any lock held. | |
11623 | **/ | |
dea3101e | 11624 | int |
51ef4c26 JS |
11625 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
11626 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 11627 | { |
51ef4c26 | 11628 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
11629 | struct lpfc_iocbq *iocbq; |
11630 | int sum, i; | |
dea3101e | 11631 | |
31979008 | 11632 | spin_lock_irq(&phba->hbalock); |
0bd4ca25 JSEC |
11633 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
11634 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 11635 | |
51ef4c26 JS |
11636 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
11637 | ctx_cmd) == 0) | |
0bd4ca25 | 11638 | sum++; |
dea3101e | 11639 | } |
31979008 | 11640 | spin_unlock_irq(&phba->hbalock); |
0bd4ca25 | 11641 | |
dea3101e JB |
11642 | return sum; |
11643 | } | |
11644 | ||
e59058c4 | 11645 | /** |
3621a710 | 11646 | * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs |
e59058c4 JS |
11647 | * @phba: Pointer to HBA context object |
11648 | * @cmdiocb: Pointer to command iocb object. | |
11649 | * @rspiocb: Pointer to response iocb object. | |
11650 | * | |
11651 | * This function is called when an aborted FCP iocb completes. This | |
11652 | * function is called by the ring event handler with no lock held. | |
11653 | * This function frees the iocb. | |
11654 | **/ | |
5eb95af0 | 11655 | void |
2e0fef85 JS |
11656 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
11657 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 11658 | { |
cb69f7de | 11659 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
8e668af5 | 11660 | "3096 ABORT_XRI_CN completing on rpi x%x " |
cb69f7de JS |
11661 | "original iotag x%x, abort cmd iotag x%x " |
11662 | "status 0x%x, reason 0x%x\n", | |
11663 | cmdiocb->iocb.un.acxri.abortContextTag, | |
11664 | cmdiocb->iocb.un.acxri.abortIoTag, | |
11665 | cmdiocb->iotag, rspiocb->iocb.ulpStatus, | |
11666 | rspiocb->iocb.un.ulpWord[4]); | |
604a3e30 | 11667 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
11668 | return; |
11669 | } | |
11670 | ||
e59058c4 | 11671 | /** |
3621a710 | 11672 | * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN |
e59058c4 JS |
11673 | * @vport: Pointer to virtual port. |
11674 | * @pring: Pointer to driver SLI ring object. | |
11675 | * @tgt_id: SCSI ID of the target. | |
11676 | * @lun_id: LUN ID of the scsi device. | |
11677 | * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11678 | * | |
11679 | * This function sends an abort command for every SCSI command | |
11680 | * associated with the given virtual port pending on the ring | |
11681 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11682 | * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11683 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11684 | * parameters | |
11685 | * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11686 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11687 | * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11688 | * FCP iocbs associated with virtual port. | |
11689 | * This function returns number of iocbs it failed to abort. | |
11690 | * This function is called with no locks held. | |
11691 | **/ | |
dea3101e | 11692 | int |
51ef4c26 JS |
11693 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
11694 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 11695 | { |
51ef4c26 | 11696 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
11697 | struct lpfc_iocbq *iocbq; |
11698 | struct lpfc_iocbq *abtsiocb; | |
ecbb227e | 11699 | struct lpfc_sli_ring *pring_s4; |
dea3101e | 11700 | IOCB_t *cmd = NULL; |
dea3101e | 11701 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 11702 | int i; |
dea3101e | 11703 | |
b0e83012 | 11704 | /* all I/Os are in process of being flushed */ |
c00f62e6 | 11705 | if (phba->hba_flag & HBA_IOQ_FLUSH) |
b0e83012 JS |
11706 | return errcnt; |
11707 | ||
0bd4ca25 JSEC |
11708 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
11709 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 11710 | |
51ef4c26 | 11711 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 11712 | abort_cmd) != 0) |
dea3101e JB |
11713 | continue; |
11714 | ||
afbd8d88 JS |
11715 | /* |
11716 | * If the iocbq is already being aborted, don't take a second | |
11717 | * action, but do count it. | |
11718 | */ | |
11719 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
11720 | continue; | |
11721 | ||
dea3101e | 11722 | /* issue ABTS for this IOCB based on iotag */ |
0bd4ca25 | 11723 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
11724 | if (abtsiocb == NULL) { |
11725 | errcnt++; | |
11726 | continue; | |
11727 | } | |
dea3101e | 11728 | |
afbd8d88 JS |
11729 | /* indicate the IO is being aborted by the driver. */ |
11730 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11731 | ||
0bd4ca25 | 11732 | cmd = &iocbq->iocb; |
dea3101e JB |
11733 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
11734 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
da0436e9 JS |
11735 | if (phba->sli_rev == LPFC_SLI_REV4) |
11736 | abtsiocb->iocb.un.acxri.abortIoTag = iocbq->sli4_xritag; | |
11737 | else | |
11738 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
dea3101e JB |
11739 | abtsiocb->iocb.ulpLe = 1; |
11740 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
afbd8d88 | 11741 | abtsiocb->vport = vport; |
dea3101e | 11742 | |
5ffc266e | 11743 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 11744 | abtsiocb->hba_wqidx = iocbq->hba_wqidx; |
341af102 JS |
11745 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11746 | abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11747 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11748 | abtsiocb->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 11749 | |
2e0fef85 | 11750 | if (lpfc_is_link_up(phba)) |
dea3101e JB |
11751 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11752 | else | |
11753 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11754 | ||
5eb95af0 JSEC |
11755 | /* Setup callback routine and issue the command. */ |
11756 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
ecbb227e JS |
11757 | if (phba->sli_rev == LPFC_SLI_REV4) { |
11758 | pring_s4 = lpfc_sli4_calc_ring(phba, iocbq); | |
11759 | if (!pring_s4) | |
11760 | continue; | |
11761 | ret_val = lpfc_sli_issue_iocb(phba, pring_s4->ringno, | |
11762 | abtsiocb, 0); | |
11763 | } else | |
11764 | ret_val = lpfc_sli_issue_iocb(phba, pring->ringno, | |
11765 | abtsiocb, 0); | |
dea3101e | 11766 | if (ret_val == IOCB_ERROR) { |
604a3e30 | 11767 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e JB |
11768 | errcnt++; |
11769 | continue; | |
11770 | } | |
11771 | } | |
11772 | ||
11773 | return errcnt; | |
11774 | } | |
11775 | ||
98912dda JS |
11776 | /** |
11777 | * lpfc_sli_abort_taskmgmt - issue abort for all commands on a host/target/LUN | |
11778 | * @vport: Pointer to virtual port. | |
11779 | * @pring: Pointer to driver SLI ring object. | |
11780 | * @tgt_id: SCSI ID of the target. | |
11781 | * @lun_id: LUN ID of the scsi device. | |
7af29d45 | 11782 | * @cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. |
98912dda JS |
11783 | * |
11784 | * This function sends an abort command for every SCSI command | |
11785 | * associated with the given virtual port pending on the ring | |
11786 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11787 | * When taskmgmt_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11788 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11789 | * parameters | |
11790 | * When taskmgmt_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11791 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11792 | * When taskmgmt_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11793 | * FCP iocbs associated with virtual port. | |
11794 | * This function returns number of iocbs it aborted . | |
11795 | * This function is called with no locks held right after a taskmgmt | |
11796 | * command is sent. | |
11797 | **/ | |
11798 | int | |
11799 | lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, | |
11800 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd cmd) | |
11801 | { | |
11802 | struct lpfc_hba *phba = vport->phba; | |
c490850a | 11803 | struct lpfc_io_buf *lpfc_cmd; |
98912dda | 11804 | struct lpfc_iocbq *abtsiocbq; |
8c50d25c | 11805 | struct lpfc_nodelist *ndlp; |
98912dda JS |
11806 | struct lpfc_iocbq *iocbq; |
11807 | IOCB_t *icmd; | |
11808 | int sum, i, ret_val; | |
11809 | unsigned long iflags; | |
c2017260 | 11810 | struct lpfc_sli_ring *pring_s4 = NULL; |
98912dda | 11811 | |
59c68eaa | 11812 | spin_lock_irqsave(&phba->hbalock, iflags); |
98912dda JS |
11813 | |
11814 | /* all I/Os are in process of being flushed */ | |
c00f62e6 | 11815 | if (phba->hba_flag & HBA_IOQ_FLUSH) { |
59c68eaa | 11816 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
98912dda JS |
11817 | return 0; |
11818 | } | |
11819 | sum = 0; | |
11820 | ||
11821 | for (i = 1; i <= phba->sli.last_iotag; i++) { | |
11822 | iocbq = phba->sli.iocbq_lookup[i]; | |
11823 | ||
11824 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, | |
11825 | cmd) != 0) | |
11826 | continue; | |
11827 | ||
c2017260 JS |
11828 | /* Guard against IO completion being called at same time */ |
11829 | lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq); | |
11830 | spin_lock(&lpfc_cmd->buf_lock); | |
11831 | ||
11832 | if (!lpfc_cmd->pCmd) { | |
11833 | spin_unlock(&lpfc_cmd->buf_lock); | |
11834 | continue; | |
11835 | } | |
11836 | ||
11837 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
11838 | pring_s4 = | |
c00f62e6 | 11839 | phba->sli4_hba.hdwq[iocbq->hba_wqidx].io_wq->pring; |
c2017260 JS |
11840 | if (!pring_s4) { |
11841 | spin_unlock(&lpfc_cmd->buf_lock); | |
11842 | continue; | |
11843 | } | |
11844 | /* Note: both hbalock and ring_lock must be set here */ | |
11845 | spin_lock(&pring_s4->ring_lock); | |
11846 | } | |
11847 | ||
98912dda JS |
11848 | /* |
11849 | * If the iocbq is already being aborted, don't take a second | |
11850 | * action, but do count it. | |
11851 | */ | |
c2017260 JS |
11852 | if ((iocbq->iocb_flag & LPFC_DRIVER_ABORTED) || |
11853 | !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) { | |
11854 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11855 | spin_unlock(&pring_s4->ring_lock); | |
11856 | spin_unlock(&lpfc_cmd->buf_lock); | |
98912dda | 11857 | continue; |
c2017260 | 11858 | } |
98912dda JS |
11859 | |
11860 | /* issue ABTS for this IOCB based on iotag */ | |
11861 | abtsiocbq = __lpfc_sli_get_iocbq(phba); | |
c2017260 JS |
11862 | if (!abtsiocbq) { |
11863 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11864 | spin_unlock(&pring_s4->ring_lock); | |
11865 | spin_unlock(&lpfc_cmd->buf_lock); | |
98912dda | 11866 | continue; |
c2017260 | 11867 | } |
98912dda JS |
11868 | |
11869 | icmd = &iocbq->iocb; | |
11870 | abtsiocbq->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; | |
11871 | abtsiocbq->iocb.un.acxri.abortContextTag = icmd->ulpContext; | |
11872 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11873 | abtsiocbq->iocb.un.acxri.abortIoTag = | |
11874 | iocbq->sli4_xritag; | |
11875 | else | |
11876 | abtsiocbq->iocb.un.acxri.abortIoTag = icmd->ulpIoTag; | |
11877 | abtsiocbq->iocb.ulpLe = 1; | |
11878 | abtsiocbq->iocb.ulpClass = icmd->ulpClass; | |
11879 | abtsiocbq->vport = vport; | |
11880 | ||
11881 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
895427bd | 11882 | abtsiocbq->hba_wqidx = iocbq->hba_wqidx; |
98912dda JS |
11883 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11884 | abtsiocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11885 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11886 | abtsiocbq->iocb_flag |= LPFC_IO_FOF; | |
98912dda | 11887 | |
8c50d25c JS |
11888 | ndlp = lpfc_cmd->rdata->pnode; |
11889 | ||
11890 | if (lpfc_is_link_up(phba) && | |
11891 | (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE)) | |
98912dda JS |
11892 | abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11893 | else | |
11894 | abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11895 | ||
11896 | /* Setup callback routine and issue the command. */ | |
11897 | abtsiocbq->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
11898 | ||
11899 | /* | |
11900 | * Indicate the IO is being aborted by the driver and set | |
11901 | * the caller's flag into the aborted IO. | |
11902 | */ | |
11903 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11904 | ||
11905 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
98912dda JS |
11906 | ret_val = __lpfc_sli_issue_iocb(phba, pring_s4->ringno, |
11907 | abtsiocbq, 0); | |
59c68eaa | 11908 | spin_unlock(&pring_s4->ring_lock); |
98912dda JS |
11909 | } else { |
11910 | ret_val = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11911 | abtsiocbq, 0); | |
11912 | } | |
11913 | ||
c2017260 | 11914 | spin_unlock(&lpfc_cmd->buf_lock); |
98912dda JS |
11915 | |
11916 | if (ret_val == IOCB_ERROR) | |
11917 | __lpfc_sli_release_iocbq(phba, abtsiocbq); | |
11918 | else | |
11919 | sum++; | |
11920 | } | |
59c68eaa | 11921 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
98912dda JS |
11922 | return sum; |
11923 | } | |
11924 | ||
e59058c4 | 11925 | /** |
3621a710 | 11926 | * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler |
e59058c4 JS |
11927 | * @phba: Pointer to HBA context object. |
11928 | * @cmdiocbq: Pointer to command iocb. | |
11929 | * @rspiocbq: Pointer to response iocb. | |
11930 | * | |
11931 | * This function is the completion handler for iocbs issued using | |
11932 | * lpfc_sli_issue_iocb_wait function. This function is called by the | |
11933 | * ring event handler function without any lock held. This function | |
11934 | * can be called from both worker thread context and interrupt | |
11935 | * context. This function also can be called from other thread which | |
11936 | * cleans up the SLI layer objects. | |
11937 | * This function copy the contents of the response iocb to the | |
11938 | * response iocb memory object provided by the caller of | |
11939 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
11940 | * sleeps for the iocb completion. | |
11941 | **/ | |
68876920 JSEC |
11942 | static void |
11943 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
11944 | struct lpfc_iocbq *cmdiocbq, | |
11945 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 11946 | { |
68876920 JSEC |
11947 | wait_queue_head_t *pdone_q; |
11948 | unsigned long iflags; | |
c490850a | 11949 | struct lpfc_io_buf *lpfc_cmd; |
dea3101e | 11950 | |
2e0fef85 | 11951 | spin_lock_irqsave(&phba->hbalock, iflags); |
5a0916b4 JS |
11952 | if (cmdiocbq->iocb_flag & LPFC_IO_WAKE_TMO) { |
11953 | ||
11954 | /* | |
11955 | * A time out has occurred for the iocb. If a time out | |
11956 | * completion handler has been supplied, call it. Otherwise, | |
11957 | * just free the iocbq. | |
11958 | */ | |
11959 | ||
11960 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11961 | cmdiocbq->iocb_cmpl = cmdiocbq->wait_iocb_cmpl; | |
11962 | cmdiocbq->wait_iocb_cmpl = NULL; | |
11963 | if (cmdiocbq->iocb_cmpl) | |
11964 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, NULL); | |
11965 | else | |
11966 | lpfc_sli_release_iocbq(phba, cmdiocbq); | |
11967 | return; | |
11968 | } | |
11969 | ||
68876920 JSEC |
11970 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
11971 | if (cmdiocbq->context2 && rspiocbq) | |
11972 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
11973 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
11974 | ||
0f65ff68 JS |
11975 | /* Set the exchange busy flag for task management commands */ |
11976 | if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) && | |
11977 | !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) { | |
c490850a | 11978 | lpfc_cmd = container_of(cmdiocbq, struct lpfc_io_buf, |
0f65ff68 | 11979 | cur_iocbq); |
324e1c40 JS |
11980 | if (rspiocbq && (rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY)) |
11981 | lpfc_cmd->flags |= LPFC_SBUF_XBUSY; | |
11982 | else | |
11983 | lpfc_cmd->flags &= ~LPFC_SBUF_XBUSY; | |
0f65ff68 JS |
11984 | } |
11985 | ||
68876920 | 11986 | pdone_q = cmdiocbq->context_un.wait_queue; |
68876920 JSEC |
11987 | if (pdone_q) |
11988 | wake_up(pdone_q); | |
858c9f6c | 11989 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e JB |
11990 | return; |
11991 | } | |
11992 | ||
d11e31dd JS |
11993 | /** |
11994 | * lpfc_chk_iocb_flg - Test IOCB flag with lock held. | |
11995 | * @phba: Pointer to HBA context object.. | |
11996 | * @piocbq: Pointer to command iocb. | |
11997 | * @flag: Flag to test. | |
11998 | * | |
11999 | * This routine grabs the hbalock and then test the iocb_flag to | |
12000 | * see if the passed in flag is set. | |
12001 | * Returns: | |
12002 | * 1 if flag is set. | |
12003 | * 0 if flag is not set. | |
12004 | **/ | |
12005 | static int | |
12006 | lpfc_chk_iocb_flg(struct lpfc_hba *phba, | |
12007 | struct lpfc_iocbq *piocbq, uint32_t flag) | |
12008 | { | |
12009 | unsigned long iflags; | |
12010 | int ret; | |
12011 | ||
12012 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12013 | ret = piocbq->iocb_flag & flag; | |
12014 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12015 | return ret; | |
12016 | ||
12017 | } | |
12018 | ||
e59058c4 | 12019 | /** |
3621a710 | 12020 | * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands |
e59058c4 | 12021 | * @phba: Pointer to HBA context object.. |
7af29d45 | 12022 | * @ring_number: Ring number |
e59058c4 JS |
12023 | * @piocb: Pointer to command iocb. |
12024 | * @prspiocbq: Pointer to response iocb. | |
12025 | * @timeout: Timeout in number of seconds. | |
12026 | * | |
12027 | * This function issues the iocb to firmware and waits for the | |
5a0916b4 JS |
12028 | * iocb to complete. The iocb_cmpl field of the shall be used |
12029 | * to handle iocbs which time out. If the field is NULL, the | |
12030 | * function shall free the iocbq structure. If more clean up is | |
12031 | * needed, the caller is expected to provide a completion function | |
12032 | * that will provide the needed clean up. If the iocb command is | |
12033 | * not completed within timeout seconds, the function will either | |
12034 | * free the iocbq structure (if iocb_cmpl == NULL) or execute the | |
12035 | * completion function set in the iocb_cmpl field and then return | |
12036 | * a status of IOCB_TIMEDOUT. The caller should not free the iocb | |
12037 | * resources if this function returns IOCB_TIMEDOUT. | |
e59058c4 JS |
12038 | * The function waits for the iocb completion using an |
12039 | * non-interruptible wait. | |
12040 | * This function will sleep while waiting for iocb completion. | |
12041 | * So, this function should not be called from any context which | |
12042 | * does not allow sleeping. Due to the same reason, this function | |
12043 | * cannot be called with interrupt disabled. | |
12044 | * This function assumes that the iocb completions occur while | |
12045 | * this function sleep. So, this function cannot be called from | |
12046 | * the thread which process iocb completion for this ring. | |
12047 | * This function clears the iocb_flag of the iocb object before | |
12048 | * issuing the iocb and the iocb completion handler sets this | |
12049 | * flag and wakes this thread when the iocb completes. | |
12050 | * The contents of the response iocb will be copied to prspiocbq | |
12051 | * by the completion handler when the command completes. | |
12052 | * This function returns IOCB_SUCCESS when success. | |
12053 | * This function is called with no lock held. | |
12054 | **/ | |
dea3101e | 12055 | int |
2e0fef85 | 12056 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
da0436e9 | 12057 | uint32_t ring_number, |
2e0fef85 JS |
12058 | struct lpfc_iocbq *piocb, |
12059 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 12060 | uint32_t timeout) |
dea3101e | 12061 | { |
7259f0d0 | 12062 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
12063 | long timeleft, timeout_req = 0; |
12064 | int retval = IOCB_SUCCESS; | |
875fbdfe | 12065 | uint32_t creg_val; |
0e9bb8d7 JS |
12066 | struct lpfc_iocbq *iocb; |
12067 | int txq_cnt = 0; | |
12068 | int txcmplq_cnt = 0; | |
895427bd | 12069 | struct lpfc_sli_ring *pring; |
5a0916b4 JS |
12070 | unsigned long iflags; |
12071 | bool iocb_completed = true; | |
12072 | ||
895427bd JS |
12073 | if (phba->sli_rev >= LPFC_SLI_REV4) |
12074 | pring = lpfc_sli4_calc_ring(phba, piocb); | |
12075 | else | |
12076 | pring = &phba->sli.sli3_ring[ring_number]; | |
dea3101e | 12077 | /* |
68876920 JSEC |
12078 | * If the caller has provided a response iocbq buffer, then context2 |
12079 | * is NULL or its an error. | |
dea3101e | 12080 | */ |
68876920 JSEC |
12081 | if (prspiocbq) { |
12082 | if (piocb->context2) | |
12083 | return IOCB_ERROR; | |
12084 | piocb->context2 = prspiocbq; | |
dea3101e JB |
12085 | } |
12086 | ||
5a0916b4 | 12087 | piocb->wait_iocb_cmpl = piocb->iocb_cmpl; |
68876920 JSEC |
12088 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
12089 | piocb->context_un.wait_queue = &done_q; | |
5a0916b4 | 12090 | piocb->iocb_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO); |
dea3101e | 12091 | |
875fbdfe | 12092 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
12093 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
12094 | return IOCB_ERROR; | |
875fbdfe JSEC |
12095 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
12096 | writel(creg_val, phba->HCregaddr); | |
12097 | readl(phba->HCregaddr); /* flush */ | |
12098 | } | |
12099 | ||
2a9bf3d0 JS |
12100 | retval = lpfc_sli_issue_iocb(phba, ring_number, piocb, |
12101 | SLI_IOCB_RET_IOCB); | |
68876920 | 12102 | if (retval == IOCB_SUCCESS) { |
256ec0d0 | 12103 | timeout_req = msecs_to_jiffies(timeout * 1000); |
68876920 | 12104 | timeleft = wait_event_timeout(done_q, |
d11e31dd | 12105 | lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE), |
68876920 | 12106 | timeout_req); |
5a0916b4 JS |
12107 | spin_lock_irqsave(&phba->hbalock, iflags); |
12108 | if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { | |
12109 | ||
12110 | /* | |
12111 | * IOCB timed out. Inform the wake iocb wait | |
12112 | * completion function and set local status | |
12113 | */ | |
dea3101e | 12114 | |
5a0916b4 JS |
12115 | iocb_completed = false; |
12116 | piocb->iocb_flag |= LPFC_IO_WAKE_TMO; | |
12117 | } | |
12118 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12119 | if (iocb_completed) { | |
7054a606 | 12120 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 12121 | "0331 IOCB wake signaled\n"); |
53151bbb JS |
12122 | /* Note: we are not indicating if the IOCB has a success |
12123 | * status or not - that's for the caller to check. | |
12124 | * IOCB_SUCCESS means just that the command was sent and | |
12125 | * completed. Not that it completed successfully. | |
12126 | * */ | |
7054a606 | 12127 | } else if (timeleft == 0) { |
372c187b | 12128 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 JS |
12129 | "0338 IOCB wait timeout error - no " |
12130 | "wake response Data x%x\n", timeout); | |
68876920 | 12131 | retval = IOCB_TIMEDOUT; |
7054a606 | 12132 | } else { |
372c187b | 12133 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 JS |
12134 | "0330 IOCB wake NOT set, " |
12135 | "Data x%x x%lx\n", | |
68876920 JSEC |
12136 | timeout, (timeleft / jiffies)); |
12137 | retval = IOCB_TIMEDOUT; | |
dea3101e | 12138 | } |
2a9bf3d0 | 12139 | } else if (retval == IOCB_BUSY) { |
0e9bb8d7 JS |
12140 | if (phba->cfg_log_verbose & LOG_SLI) { |
12141 | list_for_each_entry(iocb, &pring->txq, list) { | |
12142 | txq_cnt++; | |
12143 | } | |
12144 | list_for_each_entry(iocb, &pring->txcmplq, list) { | |
12145 | txcmplq_cnt++; | |
12146 | } | |
12147 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
12148 | "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n", | |
12149 | phba->iocb_cnt, txq_cnt, txcmplq_cnt); | |
12150 | } | |
2a9bf3d0 | 12151 | return retval; |
68876920 JSEC |
12152 | } else { |
12153 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
d7c255b2 | 12154 | "0332 IOCB wait issue failed, Data x%x\n", |
e8b62011 | 12155 | retval); |
68876920 | 12156 | retval = IOCB_ERROR; |
dea3101e JB |
12157 | } |
12158 | ||
875fbdfe | 12159 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
12160 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
12161 | return IOCB_ERROR; | |
875fbdfe JSEC |
12162 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
12163 | writel(creg_val, phba->HCregaddr); | |
12164 | readl(phba->HCregaddr); /* flush */ | |
12165 | } | |
12166 | ||
68876920 JSEC |
12167 | if (prspiocbq) |
12168 | piocb->context2 = NULL; | |
12169 | ||
12170 | piocb->context_un.wait_queue = NULL; | |
12171 | piocb->iocb_cmpl = NULL; | |
dea3101e JB |
12172 | return retval; |
12173 | } | |
68876920 | 12174 | |
e59058c4 | 12175 | /** |
3621a710 | 12176 | * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox |
e59058c4 JS |
12177 | * @phba: Pointer to HBA context object. |
12178 | * @pmboxq: Pointer to driver mailbox object. | |
12179 | * @timeout: Timeout in number of seconds. | |
12180 | * | |
12181 | * This function issues the mailbox to firmware and waits for the | |
12182 | * mailbox command to complete. If the mailbox command is not | |
12183 | * completed within timeout seconds, it returns MBX_TIMEOUT. | |
12184 | * The function waits for the mailbox completion using an | |
12185 | * interruptible wait. If the thread is woken up due to a | |
12186 | * signal, MBX_TIMEOUT error is returned to the caller. Caller | |
12187 | * should not free the mailbox resources, if this function returns | |
12188 | * MBX_TIMEOUT. | |
12189 | * This function will sleep while waiting for mailbox completion. | |
12190 | * So, this function should not be called from any context which | |
12191 | * does not allow sleeping. Due to the same reason, this function | |
12192 | * cannot be called with interrupt disabled. | |
12193 | * This function assumes that the mailbox completion occurs while | |
12194 | * this function sleep. So, this function cannot be called from | |
12195 | * the worker thread which processes mailbox completion. | |
12196 | * This function is called in the context of HBA management | |
12197 | * applications. | |
12198 | * This function returns MBX_SUCCESS when successful. | |
12199 | * This function is called with no lock held. | |
12200 | **/ | |
dea3101e | 12201 | int |
2e0fef85 | 12202 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e JB |
12203 | uint32_t timeout) |
12204 | { | |
e29d74f8 | 12205 | struct completion mbox_done; |
dea3101e | 12206 | int retval; |
858c9f6c | 12207 | unsigned long flag; |
dea3101e | 12208 | |
495a714c | 12209 | pmboxq->mbox_flag &= ~LPFC_MBX_WAKE; |
dea3101e JB |
12210 | /* setup wake call as IOCB callback */ |
12211 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
dea3101e | 12212 | |
e29d74f8 JS |
12213 | /* setup context3 field to pass wait_queue pointer to wake function */ |
12214 | init_completion(&mbox_done); | |
12215 | pmboxq->context3 = &mbox_done; | |
dea3101e JB |
12216 | /* now issue the command */ |
12217 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
dea3101e | 12218 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
e29d74f8 JS |
12219 | wait_for_completion_timeout(&mbox_done, |
12220 | msecs_to_jiffies(timeout * 1000)); | |
7054a606 | 12221 | |
858c9f6c | 12222 | spin_lock_irqsave(&phba->hbalock, flag); |
e29d74f8 | 12223 | pmboxq->context3 = NULL; |
7054a606 JS |
12224 | /* |
12225 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
12226 | * else do not free the resources. | |
12227 | */ | |
d7c47992 | 12228 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) { |
dea3101e | 12229 | retval = MBX_SUCCESS; |
d7c47992 | 12230 | } else { |
7054a606 | 12231 | retval = MBX_TIMEOUT; |
858c9f6c JS |
12232 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
12233 | } | |
12234 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
dea3101e | 12235 | } |
dea3101e JB |
12236 | return retval; |
12237 | } | |
12238 | ||
e59058c4 | 12239 | /** |
3772a991 | 12240 | * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system |
e59058c4 | 12241 | * @phba: Pointer to HBA context. |
7af29d45 | 12242 | * @mbx_action: Mailbox shutdown options. |
e59058c4 | 12243 | * |
3772a991 JS |
12244 | * This function is called to shutdown the driver's mailbox sub-system. |
12245 | * It first marks the mailbox sub-system is in a block state to prevent | |
12246 | * the asynchronous mailbox command from issued off the pending mailbox | |
12247 | * command queue. If the mailbox command sub-system shutdown is due to | |
12248 | * HBA error conditions such as EEH or ERATT, this routine shall invoke | |
12249 | * the mailbox sub-system flush routine to forcefully bring down the | |
12250 | * mailbox sub-system. Otherwise, if it is due to normal condition (such | |
12251 | * as with offline or HBA function reset), this routine will wait for the | |
12252 | * outstanding mailbox command to complete before invoking the mailbox | |
12253 | * sub-system flush routine to gracefully bring down mailbox sub-system. | |
e59058c4 | 12254 | **/ |
3772a991 | 12255 | void |
618a5230 | 12256 | lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba, int mbx_action) |
b4c02652 | 12257 | { |
3772a991 | 12258 | struct lpfc_sli *psli = &phba->sli; |
3772a991 | 12259 | unsigned long timeout; |
b4c02652 | 12260 | |
618a5230 JS |
12261 | if (mbx_action == LPFC_MBX_NO_WAIT) { |
12262 | /* delay 100ms for port state */ | |
12263 | msleep(100); | |
12264 | lpfc_sli_mbox_sys_flush(phba); | |
12265 | return; | |
12266 | } | |
a183a15f | 12267 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; |
d7069f09 | 12268 | |
523128e5 JS |
12269 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
12270 | local_bh_disable(); | |
12271 | ||
3772a991 JS |
12272 | spin_lock_irq(&phba->hbalock); |
12273 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
b4c02652 | 12274 | |
3772a991 | 12275 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
3772a991 JS |
12276 | /* Determine how long we might wait for the active mailbox |
12277 | * command to be gracefully completed by firmware. | |
12278 | */ | |
a183a15f JS |
12279 | if (phba->sli.mbox_active) |
12280 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
12281 | phba->sli.mbox_active) * | |
12282 | 1000) + jiffies; | |
12283 | spin_unlock_irq(&phba->hbalock); | |
12284 | ||
523128e5 JS |
12285 | /* Enable softirqs again, done with phba->hbalock */ |
12286 | local_bh_enable(); | |
12287 | ||
3772a991 JS |
12288 | while (phba->sli.mbox_active) { |
12289 | /* Check active mailbox complete status every 2ms */ | |
12290 | msleep(2); | |
12291 | if (time_after(jiffies, timeout)) | |
12292 | /* Timeout, let the mailbox flush routine to | |
12293 | * forcefully release active mailbox command | |
12294 | */ | |
12295 | break; | |
12296 | } | |
523128e5 | 12297 | } else { |
d7069f09 JS |
12298 | spin_unlock_irq(&phba->hbalock); |
12299 | ||
523128e5 JS |
12300 | /* Enable softirqs again, done with phba->hbalock */ |
12301 | local_bh_enable(); | |
12302 | } | |
12303 | ||
3772a991 JS |
12304 | lpfc_sli_mbox_sys_flush(phba); |
12305 | } | |
ed957684 | 12306 | |
3772a991 JS |
12307 | /** |
12308 | * lpfc_sli_eratt_read - read sli-3 error attention events | |
12309 | * @phba: Pointer to HBA context. | |
12310 | * | |
12311 | * This function is called to read the SLI3 device error attention registers | |
12312 | * for possible error attention events. The caller must hold the hostlock | |
12313 | * with spin_lock_irq(). | |
12314 | * | |
25985edc | 12315 | * This function returns 1 when there is Error Attention in the Host Attention |
3772a991 JS |
12316 | * Register and returns 0 otherwise. |
12317 | **/ | |
12318 | static int | |
12319 | lpfc_sli_eratt_read(struct lpfc_hba *phba) | |
12320 | { | |
12321 | uint32_t ha_copy; | |
b4c02652 | 12322 | |
3772a991 | 12323 | /* Read chip Host Attention (HA) register */ |
9940b97b JS |
12324 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12325 | goto unplug_err; | |
12326 | ||
3772a991 JS |
12327 | if (ha_copy & HA_ERATT) { |
12328 | /* Read host status register to retrieve error event */ | |
9940b97b JS |
12329 | if (lpfc_sli_read_hs(phba)) |
12330 | goto unplug_err; | |
b4c02652 | 12331 | |
3772a991 JS |
12332 | /* Check if there is a deferred error condition is active */ |
12333 | if ((HS_FFER1 & phba->work_hs) && | |
12334 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 | 12335 | HS_FFER6 | HS_FFER7 | HS_FFER8) & phba->work_hs)) { |
3772a991 | 12336 | phba->hba_flag |= DEFER_ERATT; |
3772a991 JS |
12337 | /* Clear all interrupt enable conditions */ |
12338 | writel(0, phba->HCregaddr); | |
12339 | readl(phba->HCregaddr); | |
12340 | } | |
12341 | ||
12342 | /* Set the driver HA work bitmap */ | |
3772a991 JS |
12343 | phba->work_ha |= HA_ERATT; |
12344 | /* Indicate polling handles this ERATT */ | |
12345 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
3772a991 JS |
12346 | return 1; |
12347 | } | |
12348 | return 0; | |
9940b97b JS |
12349 | |
12350 | unplug_err: | |
12351 | /* Set the driver HS work bitmap */ | |
12352 | phba->work_hs |= UNPLUG_ERR; | |
12353 | /* Set the driver HA work bitmap */ | |
12354 | phba->work_ha |= HA_ERATT; | |
12355 | /* Indicate polling handles this ERATT */ | |
12356 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12357 | return 1; | |
b4c02652 JS |
12358 | } |
12359 | ||
da0436e9 JS |
12360 | /** |
12361 | * lpfc_sli4_eratt_read - read sli-4 error attention events | |
12362 | * @phba: Pointer to HBA context. | |
12363 | * | |
12364 | * This function is called to read the SLI4 device error attention registers | |
12365 | * for possible error attention events. The caller must hold the hostlock | |
12366 | * with spin_lock_irq(). | |
12367 | * | |
25985edc | 12368 | * This function returns 1 when there is Error Attention in the Host Attention |
da0436e9 JS |
12369 | * Register and returns 0 otherwise. |
12370 | **/ | |
12371 | static int | |
12372 | lpfc_sli4_eratt_read(struct lpfc_hba *phba) | |
12373 | { | |
12374 | uint32_t uerr_sta_hi, uerr_sta_lo; | |
2fcee4bf JS |
12375 | uint32_t if_type, portsmphr; |
12376 | struct lpfc_register portstat_reg; | |
da0436e9 | 12377 | |
2fcee4bf JS |
12378 | /* |
12379 | * For now, use the SLI4 device internal unrecoverable error | |
da0436e9 JS |
12380 | * registers for error attention. This can be changed later. |
12381 | */ | |
2fcee4bf JS |
12382 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
12383 | switch (if_type) { | |
12384 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9940b97b JS |
12385 | if (lpfc_readl(phba->sli4_hba.u.if_type0.UERRLOregaddr, |
12386 | &uerr_sta_lo) || | |
12387 | lpfc_readl(phba->sli4_hba.u.if_type0.UERRHIregaddr, | |
12388 | &uerr_sta_hi)) { | |
12389 | phba->work_hs |= UNPLUG_ERR; | |
12390 | phba->work_ha |= HA_ERATT; | |
12391 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12392 | return 1; | |
12393 | } | |
2fcee4bf JS |
12394 | if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || |
12395 | (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { | |
372c187b | 12396 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2fcee4bf JS |
12397 | "1423 HBA Unrecoverable error: " |
12398 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
12399 | "ue_mask_lo_reg=0x%x, " | |
12400 | "ue_mask_hi_reg=0x%x\n", | |
12401 | uerr_sta_lo, uerr_sta_hi, | |
12402 | phba->sli4_hba.ue_mask_lo, | |
12403 | phba->sli4_hba.ue_mask_hi); | |
12404 | phba->work_status[0] = uerr_sta_lo; | |
12405 | phba->work_status[1] = uerr_sta_hi; | |
12406 | phba->work_ha |= HA_ERATT; | |
12407 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12408 | return 1; | |
12409 | } | |
12410 | break; | |
12411 | case LPFC_SLI_INTF_IF_TYPE_2: | |
27d6ac0a | 12412 | case LPFC_SLI_INTF_IF_TYPE_6: |
9940b97b JS |
12413 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
12414 | &portstat_reg.word0) || | |
12415 | lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
12416 | &portsmphr)){ | |
12417 | phba->work_hs |= UNPLUG_ERR; | |
12418 | phba->work_ha |= HA_ERATT; | |
12419 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12420 | return 1; | |
12421 | } | |
2fcee4bf JS |
12422 | if (bf_get(lpfc_sliport_status_err, &portstat_reg)) { |
12423 | phba->work_status[0] = | |
12424 | readl(phba->sli4_hba.u.if_type2.ERR1regaddr); | |
12425 | phba->work_status[1] = | |
12426 | readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
372c187b | 12427 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2e90f4b5 | 12428 | "2885 Port Status Event: " |
2fcee4bf JS |
12429 | "port status reg 0x%x, " |
12430 | "port smphr reg 0x%x, " | |
12431 | "error 1=0x%x, error 2=0x%x\n", | |
12432 | portstat_reg.word0, | |
12433 | portsmphr, | |
12434 | phba->work_status[0], | |
12435 | phba->work_status[1]); | |
12436 | phba->work_ha |= HA_ERATT; | |
12437 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12438 | return 1; | |
12439 | } | |
12440 | break; | |
12441 | case LPFC_SLI_INTF_IF_TYPE_1: | |
12442 | default: | |
372c187b | 12443 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2fcee4bf JS |
12444 | "2886 HBA Error Attention on unsupported " |
12445 | "if type %d.", if_type); | |
a747c9ce | 12446 | return 1; |
da0436e9 | 12447 | } |
2fcee4bf | 12448 | |
da0436e9 JS |
12449 | return 0; |
12450 | } | |
12451 | ||
e59058c4 | 12452 | /** |
3621a710 | 12453 | * lpfc_sli_check_eratt - check error attention events |
9399627f JS |
12454 | * @phba: Pointer to HBA context. |
12455 | * | |
3772a991 | 12456 | * This function is called from timer soft interrupt context to check HBA's |
9399627f JS |
12457 | * error attention register bit for error attention events. |
12458 | * | |
25985edc | 12459 | * This function returns 1 when there is Error Attention in the Host Attention |
9399627f JS |
12460 | * Register and returns 0 otherwise. |
12461 | **/ | |
12462 | int | |
12463 | lpfc_sli_check_eratt(struct lpfc_hba *phba) | |
12464 | { | |
12465 | uint32_t ha_copy; | |
12466 | ||
12467 | /* If somebody is waiting to handle an eratt, don't process it | |
12468 | * here. The brdkill function will do this. | |
12469 | */ | |
12470 | if (phba->link_flag & LS_IGNORE_ERATT) | |
12471 | return 0; | |
12472 | ||
12473 | /* Check if interrupt handler handles this ERATT */ | |
12474 | spin_lock_irq(&phba->hbalock); | |
12475 | if (phba->hba_flag & HBA_ERATT_HANDLED) { | |
12476 | /* Interrupt handler has handled ERATT */ | |
12477 | spin_unlock_irq(&phba->hbalock); | |
12478 | return 0; | |
12479 | } | |
12480 | ||
a257bf90 JS |
12481 | /* |
12482 | * If there is deferred error attention, do not check for error | |
12483 | * attention | |
12484 | */ | |
12485 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
12486 | spin_unlock_irq(&phba->hbalock); | |
12487 | return 0; | |
12488 | } | |
12489 | ||
3772a991 JS |
12490 | /* If PCI channel is offline, don't process it */ |
12491 | if (unlikely(pci_channel_offline(phba->pcidev))) { | |
9399627f | 12492 | spin_unlock_irq(&phba->hbalock); |
3772a991 JS |
12493 | return 0; |
12494 | } | |
12495 | ||
12496 | switch (phba->sli_rev) { | |
12497 | case LPFC_SLI_REV2: | |
12498 | case LPFC_SLI_REV3: | |
12499 | /* Read chip Host Attention (HA) register */ | |
12500 | ha_copy = lpfc_sli_eratt_read(phba); | |
12501 | break; | |
da0436e9 | 12502 | case LPFC_SLI_REV4: |
2fcee4bf | 12503 | /* Read device Uncoverable Error (UERR) registers */ |
da0436e9 JS |
12504 | ha_copy = lpfc_sli4_eratt_read(phba); |
12505 | break; | |
3772a991 | 12506 | default: |
372c187b | 12507 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
3772a991 JS |
12508 | "0299 Invalid SLI revision (%d)\n", |
12509 | phba->sli_rev); | |
12510 | ha_copy = 0; | |
12511 | break; | |
9399627f JS |
12512 | } |
12513 | spin_unlock_irq(&phba->hbalock); | |
3772a991 JS |
12514 | |
12515 | return ha_copy; | |
12516 | } | |
12517 | ||
12518 | /** | |
12519 | * lpfc_intr_state_check - Check device state for interrupt handling | |
12520 | * @phba: Pointer to HBA context. | |
12521 | * | |
12522 | * This inline routine checks whether a device or its PCI slot is in a state | |
12523 | * that the interrupt should be handled. | |
12524 | * | |
12525 | * This function returns 0 if the device or the PCI slot is in a state that | |
12526 | * interrupt should be handled, otherwise -EIO. | |
12527 | */ | |
12528 | static inline int | |
12529 | lpfc_intr_state_check(struct lpfc_hba *phba) | |
12530 | { | |
12531 | /* If the pci channel is offline, ignore all the interrupts */ | |
12532 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
12533 | return -EIO; | |
12534 | ||
12535 | /* Update device level interrupt statistics */ | |
12536 | phba->sli.slistat.sli_intr++; | |
12537 | ||
12538 | /* Ignore all interrupts during initialization. */ | |
12539 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) | |
12540 | return -EIO; | |
12541 | ||
9399627f JS |
12542 | return 0; |
12543 | } | |
12544 | ||
12545 | /** | |
3772a991 | 12546 | * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device |
e59058c4 JS |
12547 | * @irq: Interrupt number. |
12548 | * @dev_id: The device context pointer. | |
12549 | * | |
9399627f | 12550 | * This function is directly called from the PCI layer as an interrupt |
3772a991 JS |
12551 | * service routine when device with SLI-3 interface spec is enabled with |
12552 | * MSI-X multi-message interrupt mode and there are slow-path events in | |
12553 | * the HBA. However, when the device is enabled with either MSI or Pin-IRQ | |
12554 | * interrupt mode, this function is called as part of the device-level | |
12555 | * interrupt handler. When the PCI slot is in error recovery or the HBA | |
12556 | * is undergoing initialization, the interrupt handler will not process | |
12557 | * the interrupt. The link attention and ELS ring attention events are | |
12558 | * handled by the worker thread. The interrupt handler signals the worker | |
12559 | * thread and returns for these events. This function is called without | |
12560 | * any lock held. It gets the hbalock to access and update SLI data | |
9399627f JS |
12561 | * structures. |
12562 | * | |
12563 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12564 | * returns IRQ_NONE. | |
e59058c4 | 12565 | **/ |
dea3101e | 12566 | irqreturn_t |
3772a991 | 12567 | lpfc_sli_sp_intr_handler(int irq, void *dev_id) |
dea3101e | 12568 | { |
2e0fef85 | 12569 | struct lpfc_hba *phba; |
a747c9ce | 12570 | uint32_t ha_copy, hc_copy; |
dea3101e JB |
12571 | uint32_t work_ha_copy; |
12572 | unsigned long status; | |
5b75da2f | 12573 | unsigned long iflag; |
dea3101e JB |
12574 | uint32_t control; |
12575 | ||
92d7f7b0 | 12576 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
12577 | struct lpfc_vport *vport; |
12578 | struct lpfc_nodelist *ndlp; | |
12579 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
12580 | LPFC_MBOXQ_t *pmb; |
12581 | int rc; | |
12582 | ||
dea3101e JB |
12583 | /* |
12584 | * Get the driver's phba structure from the dev_id and | |
12585 | * assume the HBA is not interrupting. | |
12586 | */ | |
9399627f | 12587 | phba = (struct lpfc_hba *)dev_id; |
dea3101e JB |
12588 | |
12589 | if (unlikely(!phba)) | |
12590 | return IRQ_NONE; | |
12591 | ||
dea3101e | 12592 | /* |
9399627f JS |
12593 | * Stuff needs to be attented to when this function is invoked as an |
12594 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
dea3101e | 12595 | */ |
9399627f | 12596 | if (phba->intr_type == MSIX) { |
3772a991 JS |
12597 | /* Check device state for handling interrupt */ |
12598 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12599 | return IRQ_NONE; |
12600 | /* Need to read HA REG for slow-path events */ | |
5b75da2f | 12601 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
12602 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12603 | goto unplug_error; | |
9399627f JS |
12604 | /* If somebody is waiting to handle an eratt don't process it |
12605 | * here. The brdkill function will do this. | |
12606 | */ | |
12607 | if (phba->link_flag & LS_IGNORE_ERATT) | |
12608 | ha_copy &= ~HA_ERATT; | |
12609 | /* Check the need for handling ERATT in interrupt handler */ | |
12610 | if (ha_copy & HA_ERATT) { | |
12611 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12612 | /* ERATT polling has handled ERATT */ | |
12613 | ha_copy &= ~HA_ERATT; | |
12614 | else | |
12615 | /* Indicate interrupt handler handles ERATT */ | |
12616 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12617 | } | |
a257bf90 JS |
12618 | |
12619 | /* | |
12620 | * If there is deferred error attention, do not check for any | |
12621 | * interrupt. | |
12622 | */ | |
12623 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12624 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12625 | return IRQ_NONE; |
12626 | } | |
12627 | ||
9399627f | 12628 | /* Clear up only attention source related to slow-path */ |
9940b97b JS |
12629 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
12630 | goto unplug_error; | |
12631 | ||
a747c9ce JS |
12632 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R2INT_ENA | |
12633 | HC_LAINT_ENA | HC_ERINT_ENA), | |
12634 | phba->HCregaddr); | |
9399627f JS |
12635 | writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), |
12636 | phba->HAregaddr); | |
a747c9ce | 12637 | writel(hc_copy, phba->HCregaddr); |
9399627f | 12638 | readl(phba->HAregaddr); /* flush */ |
5b75da2f | 12639 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12640 | } else |
12641 | ha_copy = phba->ha_copy; | |
dea3101e | 12642 | |
dea3101e JB |
12643 | work_ha_copy = ha_copy & phba->work_ha_mask; |
12644 | ||
9399627f | 12645 | if (work_ha_copy) { |
dea3101e JB |
12646 | if (work_ha_copy & HA_LATT) { |
12647 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
12648 | /* | |
12649 | * Turn off Link Attention interrupts | |
12650 | * until CLEAR_LA done | |
12651 | */ | |
5b75da2f | 12652 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12653 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
9940b97b JS |
12654 | if (lpfc_readl(phba->HCregaddr, &control)) |
12655 | goto unplug_error; | |
dea3101e JB |
12656 | control &= ~HC_LAINT_ENA; |
12657 | writel(control, phba->HCregaddr); | |
12658 | readl(phba->HCregaddr); /* flush */ | |
5b75da2f | 12659 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
12660 | } |
12661 | else | |
12662 | work_ha_copy &= ~HA_LATT; | |
12663 | } | |
12664 | ||
9399627f | 12665 | if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) { |
858c9f6c JS |
12666 | /* |
12667 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
12668 | * the only slow ring. | |
12669 | */ | |
12670 | status = (work_ha_copy & | |
12671 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
12672 | status >>= (4*LPFC_ELS_RING); | |
12673 | if (status & HA_RXMASK) { | |
5b75da2f | 12674 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
12675 | if (lpfc_readl(phba->HCregaddr, &control)) |
12676 | goto unplug_error; | |
a58cbd52 JS |
12677 | |
12678 | lpfc_debugfs_slow_ring_trc(phba, | |
12679 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
12680 | control, status, | |
12681 | (uint32_t)phba->sli.slistat.sli_intr); | |
12682 | ||
858c9f6c | 12683 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
12684 | lpfc_debugfs_slow_ring_trc(phba, |
12685 | "ISR Disable ring:" | |
12686 | "pwork:x%x hawork:x%x wait:x%x", | |
12687 | phba->work_ha, work_ha_copy, | |
12688 | (uint32_t)((unsigned long) | |
5e9d9b82 | 12689 | &phba->work_waitq)); |
a58cbd52 | 12690 | |
858c9f6c JS |
12691 | control &= |
12692 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e JB |
12693 | writel(control, phba->HCregaddr); |
12694 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 12695 | } |
a58cbd52 JS |
12696 | else { |
12697 | lpfc_debugfs_slow_ring_trc(phba, | |
12698 | "ISR slow ring: pwork:" | |
12699 | "x%x hawork:x%x wait:x%x", | |
12700 | phba->work_ha, work_ha_copy, | |
12701 | (uint32_t)((unsigned long) | |
5e9d9b82 | 12702 | &phba->work_waitq)); |
a58cbd52 | 12703 | } |
5b75da2f | 12704 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
12705 | } |
12706 | } | |
5b75da2f | 12707 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 | 12708 | if (work_ha_copy & HA_ERATT) { |
9940b97b JS |
12709 | if (lpfc_sli_read_hs(phba)) |
12710 | goto unplug_error; | |
a257bf90 JS |
12711 | /* |
12712 | * Check if there is a deferred error condition | |
12713 | * is active | |
12714 | */ | |
12715 | if ((HS_FFER1 & phba->work_hs) && | |
12716 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 JS |
12717 | HS_FFER6 | HS_FFER7 | HS_FFER8) & |
12718 | phba->work_hs)) { | |
a257bf90 JS |
12719 | phba->hba_flag |= DEFER_ERATT; |
12720 | /* Clear all interrupt enable conditions */ | |
12721 | writel(0, phba->HCregaddr); | |
12722 | readl(phba->HCregaddr); | |
12723 | } | |
12724 | } | |
12725 | ||
9399627f | 12726 | if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { |
92d7f7b0 | 12727 | pmb = phba->sli.mbox_active; |
04c68496 | 12728 | pmbox = &pmb->u.mb; |
34b02dcd | 12729 | mbox = phba->mbox; |
858c9f6c | 12730 | vport = pmb->vport; |
92d7f7b0 JS |
12731 | |
12732 | /* First check out the status word */ | |
12733 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
12734 | if (pmbox->mbxOwner != OWN_HOST) { | |
5b75da2f | 12735 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
92d7f7b0 JS |
12736 | /* |
12737 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
12738 | * mbxStatus <status> | |
12739 | */ | |
372c187b | 12740 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
e8b62011 | 12741 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
12742 | "Interrupt mbxCommand x%x " |
12743 | "mbxStatus x%x\n", | |
e8b62011 | 12744 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
12745 | pmbox->mbxCommand, |
12746 | pmbox->mbxStatus); | |
09372820 JS |
12747 | /* clear mailbox attention bit */ |
12748 | work_ha_copy &= ~HA_MBATT; | |
12749 | } else { | |
97eab634 | 12750 | phba->sli.mbox_active = NULL; |
5b75da2f | 12751 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
09372820 JS |
12752 | phba->last_completion_time = jiffies; |
12753 | del_timer(&phba->sli.mbox_tmo); | |
09372820 JS |
12754 | if (pmb->mbox_cmpl) { |
12755 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
12756 | MAILBOX_CMD_SIZE); | |
7a470277 | 12757 | if (pmb->out_ext_byte_len && |
3e1f0718 | 12758 | pmb->ctx_buf) |
7a470277 JS |
12759 | lpfc_sli_pcimem_bcopy( |
12760 | phba->mbox_ext, | |
3e1f0718 | 12761 | pmb->ctx_buf, |
7a470277 | 12762 | pmb->out_ext_byte_len); |
09372820 JS |
12763 | } |
12764 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
12765 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
12766 | ||
12767 | lpfc_debugfs_disc_trc(vport, | |
12768 | LPFC_DISC_TRC_MBOX_VPORT, | |
12769 | "MBOX dflt rpi: : " | |
12770 | "status:x%x rpi:x%x", | |
12771 | (uint32_t)pmbox->mbxStatus, | |
12772 | pmbox->un.varWords[0], 0); | |
12773 | ||
12774 | if (!pmbox->mbxStatus) { | |
12775 | mp = (struct lpfc_dmabuf *) | |
3e1f0718 | 12776 | (pmb->ctx_buf); |
09372820 | 12777 | ndlp = (struct lpfc_nodelist *) |
3e1f0718 | 12778 | pmb->ctx_ndlp; |
09372820 JS |
12779 | |
12780 | /* Reg_LOGIN of dflt RPI was | |
12781 | * successful. new lets get | |
12782 | * rid of the RPI using the | |
12783 | * same mbox buffer. | |
12784 | */ | |
12785 | lpfc_unreg_login(phba, | |
12786 | vport->vpi, | |
12787 | pmbox->un.varWords[0], | |
12788 | pmb); | |
12789 | pmb->mbox_cmpl = | |
12790 | lpfc_mbx_cmpl_dflt_rpi; | |
3e1f0718 JS |
12791 | pmb->ctx_buf = mp; |
12792 | pmb->ctx_ndlp = ndlp; | |
09372820 | 12793 | pmb->vport = vport; |
58da1ffb JS |
12794 | rc = lpfc_sli_issue_mbox(phba, |
12795 | pmb, | |
12796 | MBX_NOWAIT); | |
12797 | if (rc != MBX_BUSY) | |
12798 | lpfc_printf_log(phba, | |
12799 | KERN_ERR, | |
372c187b | 12800 | LOG_TRACE_EVENT, |
d7c255b2 | 12801 | "0350 rc should have" |
6a9c52cf | 12802 | "been MBX_BUSY\n"); |
3772a991 JS |
12803 | if (rc != MBX_NOT_FINISHED) |
12804 | goto send_current_mbox; | |
09372820 | 12805 | } |
858c9f6c | 12806 | } |
5b75da2f JS |
12807 | spin_lock_irqsave( |
12808 | &phba->pport->work_port_lock, | |
12809 | iflag); | |
09372820 JS |
12810 | phba->pport->work_port_events &= |
12811 | ~WORKER_MBOX_TMO; | |
5b75da2f JS |
12812 | spin_unlock_irqrestore( |
12813 | &phba->pport->work_port_lock, | |
12814 | iflag); | |
09372820 | 12815 | lpfc_mbox_cmpl_put(phba, pmb); |
858c9f6c | 12816 | } |
97eab634 | 12817 | } else |
5b75da2f | 12818 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f | 12819 | |
92d7f7b0 JS |
12820 | if ((work_ha_copy & HA_MBATT) && |
12821 | (phba->sli.mbox_active == NULL)) { | |
858c9f6c | 12822 | send_current_mbox: |
92d7f7b0 | 12823 | /* Process next mailbox command if there is one */ |
58da1ffb JS |
12824 | do { |
12825 | rc = lpfc_sli_issue_mbox(phba, NULL, | |
12826 | MBX_NOWAIT); | |
12827 | } while (rc == MBX_NOT_FINISHED); | |
12828 | if (rc != MBX_SUCCESS) | |
372c187b DK |
12829 | lpfc_printf_log(phba, KERN_ERR, |
12830 | LOG_TRACE_EVENT, | |
12831 | "0349 rc should be " | |
6a9c52cf | 12832 | "MBX_SUCCESS\n"); |
92d7f7b0 JS |
12833 | } |
12834 | ||
5b75da2f | 12835 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12836 | phba->work_ha |= work_ha_copy; |
5b75da2f | 12837 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
5e9d9b82 | 12838 | lpfc_worker_wake_up(phba); |
dea3101e | 12839 | } |
9399627f | 12840 | return IRQ_HANDLED; |
9940b97b JS |
12841 | unplug_error: |
12842 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
12843 | return IRQ_HANDLED; | |
dea3101e | 12844 | |
3772a991 | 12845 | } /* lpfc_sli_sp_intr_handler */ |
9399627f JS |
12846 | |
12847 | /** | |
3772a991 | 12848 | * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device. |
9399627f JS |
12849 | * @irq: Interrupt number. |
12850 | * @dev_id: The device context pointer. | |
12851 | * | |
12852 | * This function is directly called from the PCI layer as an interrupt | |
3772a991 JS |
12853 | * service routine when device with SLI-3 interface spec is enabled with |
12854 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
12855 | * ring event in the HBA. However, when the device is enabled with either | |
12856 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
12857 | * device-level interrupt handler. When the PCI slot is in error recovery | |
12858 | * or the HBA is undergoing initialization, the interrupt handler will not | |
12859 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
12860 | * the intrrupt context. This function is called without any lock held. | |
12861 | * It gets the hbalock to access and update SLI data structures. | |
9399627f JS |
12862 | * |
12863 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12864 | * returns IRQ_NONE. | |
12865 | **/ | |
12866 | irqreturn_t | |
3772a991 | 12867 | lpfc_sli_fp_intr_handler(int irq, void *dev_id) |
9399627f JS |
12868 | { |
12869 | struct lpfc_hba *phba; | |
12870 | uint32_t ha_copy; | |
12871 | unsigned long status; | |
5b75da2f | 12872 | unsigned long iflag; |
895427bd | 12873 | struct lpfc_sli_ring *pring; |
9399627f JS |
12874 | |
12875 | /* Get the driver's phba structure from the dev_id and | |
12876 | * assume the HBA is not interrupting. | |
12877 | */ | |
12878 | phba = (struct lpfc_hba *) dev_id; | |
12879 | ||
12880 | if (unlikely(!phba)) | |
12881 | return IRQ_NONE; | |
12882 | ||
12883 | /* | |
12884 | * Stuff needs to be attented to when this function is invoked as an | |
12885 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
12886 | */ | |
12887 | if (phba->intr_type == MSIX) { | |
3772a991 JS |
12888 | /* Check device state for handling interrupt */ |
12889 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12890 | return IRQ_NONE; |
12891 | /* Need to read HA REG for FCP ring and other ring events */ | |
9940b97b JS |
12892 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12893 | return IRQ_HANDLED; | |
9399627f | 12894 | /* Clear up only attention source related to fast-path */ |
5b75da2f | 12895 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 JS |
12896 | /* |
12897 | * If there is deferred error attention, do not check for | |
12898 | * any interrupt. | |
12899 | */ | |
12900 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12901 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12902 | return IRQ_NONE; |
12903 | } | |
9399627f JS |
12904 | writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), |
12905 | phba->HAregaddr); | |
12906 | readl(phba->HAregaddr); /* flush */ | |
5b75da2f | 12907 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12908 | } else |
12909 | ha_copy = phba->ha_copy; | |
dea3101e JB |
12910 | |
12911 | /* | |
9399627f | 12912 | * Process all events on FCP ring. Take the optimized path for FCP IO. |
dea3101e | 12913 | */ |
9399627f JS |
12914 | ha_copy &= ~(phba->work_ha_mask); |
12915 | ||
12916 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
dea3101e | 12917 | status >>= (4*LPFC_FCP_RING); |
895427bd | 12918 | pring = &phba->sli.sli3_ring[LPFC_FCP_RING]; |
858c9f6c | 12919 | if (status & HA_RXMASK) |
895427bd | 12920 | lpfc_sli_handle_fast_ring_event(phba, pring, status); |
a4bc3379 JS |
12921 | |
12922 | if (phba->cfg_multi_ring_support == 2) { | |
12923 | /* | |
9399627f JS |
12924 | * Process all events on extra ring. Take the optimized path |
12925 | * for extra ring IO. | |
a4bc3379 | 12926 | */ |
9399627f | 12927 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
a4bc3379 | 12928 | status >>= (4*LPFC_EXTRA_RING); |
858c9f6c | 12929 | if (status & HA_RXMASK) { |
a4bc3379 | 12930 | lpfc_sli_handle_fast_ring_event(phba, |
895427bd | 12931 | &phba->sli.sli3_ring[LPFC_EXTRA_RING], |
a4bc3379 JS |
12932 | status); |
12933 | } | |
12934 | } | |
dea3101e | 12935 | return IRQ_HANDLED; |
3772a991 | 12936 | } /* lpfc_sli_fp_intr_handler */ |
9399627f JS |
12937 | |
12938 | /** | |
3772a991 | 12939 | * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device |
9399627f JS |
12940 | * @irq: Interrupt number. |
12941 | * @dev_id: The device context pointer. | |
12942 | * | |
3772a991 JS |
12943 | * This function is the HBA device-level interrupt handler to device with |
12944 | * SLI-3 interface spec, called from the PCI layer when either MSI or | |
12945 | * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which | |
12946 | * requires driver attention. This function invokes the slow-path interrupt | |
12947 | * attention handling function and fast-path interrupt attention handling | |
12948 | * function in turn to process the relevant HBA attention events. This | |
12949 | * function is called without any lock held. It gets the hbalock to access | |
12950 | * and update SLI data structures. | |
9399627f JS |
12951 | * |
12952 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
12953 | * returns IRQ_NONE. | |
12954 | **/ | |
12955 | irqreturn_t | |
3772a991 | 12956 | lpfc_sli_intr_handler(int irq, void *dev_id) |
9399627f JS |
12957 | { |
12958 | struct lpfc_hba *phba; | |
12959 | irqreturn_t sp_irq_rc, fp_irq_rc; | |
12960 | unsigned long status1, status2; | |
a747c9ce | 12961 | uint32_t hc_copy; |
9399627f JS |
12962 | |
12963 | /* | |
12964 | * Get the driver's phba structure from the dev_id and | |
12965 | * assume the HBA is not interrupting. | |
12966 | */ | |
12967 | phba = (struct lpfc_hba *) dev_id; | |
12968 | ||
12969 | if (unlikely(!phba)) | |
12970 | return IRQ_NONE; | |
12971 | ||
3772a991 JS |
12972 | /* Check device state for handling interrupt */ |
12973 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12974 | return IRQ_NONE; |
12975 | ||
12976 | spin_lock(&phba->hbalock); | |
9940b97b JS |
12977 | if (lpfc_readl(phba->HAregaddr, &phba->ha_copy)) { |
12978 | spin_unlock(&phba->hbalock); | |
12979 | return IRQ_HANDLED; | |
12980 | } | |
12981 | ||
9399627f JS |
12982 | if (unlikely(!phba->ha_copy)) { |
12983 | spin_unlock(&phba->hbalock); | |
12984 | return IRQ_NONE; | |
12985 | } else if (phba->ha_copy & HA_ERATT) { | |
12986 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12987 | /* ERATT polling has handled ERATT */ | |
12988 | phba->ha_copy &= ~HA_ERATT; | |
12989 | else | |
12990 | /* Indicate interrupt handler handles ERATT */ | |
12991 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12992 | } | |
12993 | ||
a257bf90 JS |
12994 | /* |
12995 | * If there is deferred error attention, do not check for any interrupt. | |
12996 | */ | |
12997 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
ec21b3b0 | 12998 | spin_unlock(&phba->hbalock); |
a257bf90 JS |
12999 | return IRQ_NONE; |
13000 | } | |
13001 | ||
9399627f | 13002 | /* Clear attention sources except link and error attentions */ |
9940b97b JS |
13003 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) { |
13004 | spin_unlock(&phba->hbalock); | |
13005 | return IRQ_HANDLED; | |
13006 | } | |
a747c9ce JS |
13007 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R0INT_ENA | HC_R1INT_ENA |
13008 | | HC_R2INT_ENA | HC_LAINT_ENA | HC_ERINT_ENA), | |
13009 | phba->HCregaddr); | |
9399627f | 13010 | writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
a747c9ce | 13011 | writel(hc_copy, phba->HCregaddr); |
9399627f JS |
13012 | readl(phba->HAregaddr); /* flush */ |
13013 | spin_unlock(&phba->hbalock); | |
13014 | ||
13015 | /* | |
13016 | * Invokes slow-path host attention interrupt handling as appropriate. | |
13017 | */ | |
13018 | ||
13019 | /* status of events with mailbox and link attention */ | |
13020 | status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT); | |
13021 | ||
13022 | /* status of events with ELS ring */ | |
13023 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
13024 | status2 >>= (4*LPFC_ELS_RING); | |
13025 | ||
13026 | if (status1 || (status2 & HA_RXMASK)) | |
3772a991 | 13027 | sp_irq_rc = lpfc_sli_sp_intr_handler(irq, dev_id); |
9399627f JS |
13028 | else |
13029 | sp_irq_rc = IRQ_NONE; | |
13030 | ||
13031 | /* | |
13032 | * Invoke fast-path host attention interrupt handling as appropriate. | |
13033 | */ | |
13034 | ||
13035 | /* status of events with FCP ring */ | |
13036 | status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
13037 | status1 >>= (4*LPFC_FCP_RING); | |
13038 | ||
13039 | /* status of events with extra ring */ | |
13040 | if (phba->cfg_multi_ring_support == 2) { | |
13041 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
13042 | status2 >>= (4*LPFC_EXTRA_RING); | |
13043 | } else | |
13044 | status2 = 0; | |
13045 | ||
13046 | if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK)) | |
3772a991 | 13047 | fp_irq_rc = lpfc_sli_fp_intr_handler(irq, dev_id); |
9399627f JS |
13048 | else |
13049 | fp_irq_rc = IRQ_NONE; | |
dea3101e | 13050 | |
9399627f JS |
13051 | /* Return device-level interrupt handling status */ |
13052 | return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc; | |
3772a991 | 13053 | } /* lpfc_sli_intr_handler */ |
4f774513 JS |
13054 | |
13055 | /** | |
4f774513 | 13056 | * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event |
4f774513 JS |
13057 | * @phba: pointer to lpfc hba data structure. |
13058 | * | |
13059 | * This routine is invoked by the worker thread to process all the pending | |
4f774513 | 13060 | * SLI4 els abort xri events. |
4f774513 | 13061 | **/ |
4f774513 | 13062 | void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba) |
4f774513 JS |
13063 | { |
13064 | struct lpfc_cq_event *cq_event; | |
13065 | ||
4f774513 | 13066 | /* First, declare the els xri abort event has been handled */ |
4f774513 | 13067 | spin_lock_irq(&phba->hbalock); |
4f774513 | 13068 | phba->hba_flag &= ~ELS_XRI_ABORT_EVENT; |
4f774513 | 13069 | spin_unlock_irq(&phba->hbalock); |
4f774513 JS |
13070 | /* Now, handle all the els xri abort events */ |
13071 | while (!list_empty(&phba->sli4_hba.sp_els_xri_aborted_work_queue)) { | |
13072 | /* Get the first event from the head of the event queue */ | |
13073 | spin_lock_irq(&phba->hbalock); | |
13074 | list_remove_head(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
13075 | cq_event, struct lpfc_cq_event, list); | |
13076 | spin_unlock_irq(&phba->hbalock); | |
13077 | /* Notify aborted XRI for ELS work queue */ | |
13078 | lpfc_sli4_els_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
13079 | /* Free the event processed back to the free pool */ | |
13080 | lpfc_sli4_cq_event_release(phba, cq_event); | |
13081 | } | |
13082 | } | |
13083 | ||
341af102 JS |
13084 | /** |
13085 | * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn | |
13086 | * @phba: pointer to lpfc hba data structure | |
13087 | * @pIocbIn: pointer to the rspiocbq | |
13088 | * @pIocbOut: pointer to the cmdiocbq | |
13089 | * @wcqe: pointer to the complete wcqe | |
13090 | * | |
13091 | * This routine transfers the fields of a command iocbq to a response iocbq | |
13092 | * by copying all the IOCB fields from command iocbq and transferring the | |
13093 | * completion status information from the complete wcqe. | |
13094 | **/ | |
4f774513 | 13095 | static void |
341af102 JS |
13096 | lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, |
13097 | struct lpfc_iocbq *pIocbIn, | |
4f774513 JS |
13098 | struct lpfc_iocbq *pIocbOut, |
13099 | struct lpfc_wcqe_complete *wcqe) | |
13100 | { | |
af22741c | 13101 | int numBdes, i; |
341af102 | 13102 | unsigned long iflags; |
af22741c JS |
13103 | uint32_t status, max_response; |
13104 | struct lpfc_dmabuf *dmabuf; | |
13105 | struct ulp_bde64 *bpl, bde; | |
4f774513 JS |
13106 | size_t offset = offsetof(struct lpfc_iocbq, iocb); |
13107 | ||
13108 | memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, | |
13109 | sizeof(struct lpfc_iocbq) - offset); | |
4f774513 | 13110 | /* Map WCQE parameters into irspiocb parameters */ |
acd6859b JS |
13111 | status = bf_get(lpfc_wcqe_c_status, wcqe); |
13112 | pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); | |
4f774513 JS |
13113 | if (pIocbOut->iocb_flag & LPFC_IO_FCP) |
13114 | if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) | |
13115 | pIocbIn->iocb.un.fcpi.fcpi_parm = | |
13116 | pIocbOut->iocb.un.fcpi.fcpi_parm - | |
13117 | wcqe->total_data_placed; | |
13118 | else | |
13119 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; | |
695a814e | 13120 | else { |
4f774513 | 13121 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; |
af22741c JS |
13122 | switch (pIocbOut->iocb.ulpCommand) { |
13123 | case CMD_ELS_REQUEST64_CR: | |
13124 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
13125 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
13126 | bde.tus.w = le32_to_cpu(bpl[1].tus.w); | |
13127 | max_response = bde.tus.f.bdeSize; | |
13128 | break; | |
13129 | case CMD_GEN_REQUEST64_CR: | |
13130 | max_response = 0; | |
13131 | if (!pIocbOut->context3) | |
13132 | break; | |
13133 | numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/ | |
13134 | sizeof(struct ulp_bde64); | |
13135 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
13136 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
13137 | for (i = 0; i < numBdes; i++) { | |
13138 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
13139 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) | |
13140 | max_response += bde.tus.f.bdeSize; | |
13141 | } | |
13142 | break; | |
13143 | default: | |
13144 | max_response = wcqe->total_data_placed; | |
13145 | break; | |
13146 | } | |
13147 | if (max_response < wcqe->total_data_placed) | |
13148 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response; | |
13149 | else | |
13150 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = | |
13151 | wcqe->total_data_placed; | |
695a814e | 13152 | } |
341af102 | 13153 | |
acd6859b JS |
13154 | /* Convert BG errors for completion status */ |
13155 | if (status == CQE_STATUS_DI_ERROR) { | |
13156 | pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
13157 | ||
13158 | if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) | |
13159 | pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; | |
13160 | else | |
13161 | pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; | |
13162 | ||
13163 | pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; | |
13164 | if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ | |
13165 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13166 | BGS_GUARD_ERR_MASK; | |
13167 | if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ | |
13168 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13169 | BGS_APPTAG_ERR_MASK; | |
13170 | if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ | |
13171 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13172 | BGS_REFTAG_ERR_MASK; | |
13173 | ||
13174 | /* Check to see if there was any good data before the error */ | |
13175 | if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { | |
13176 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13177 | BGS_HI_WATER_MARK_PRESENT_MASK; | |
13178 | pIocbIn->iocb.unsli3.sli3_bg.bghm = | |
13179 | wcqe->total_data_placed; | |
13180 | } | |
13181 | ||
13182 | /* | |
13183 | * Set ALL the error bits to indicate we don't know what | |
13184 | * type of error it is. | |
13185 | */ | |
13186 | if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) | |
13187 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13188 | (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | | |
13189 | BGS_GUARD_ERR_MASK); | |
13190 | } | |
13191 | ||
341af102 JS |
13192 | /* Pick up HBA exchange busy condition */ |
13193 | if (bf_get(lpfc_wcqe_c_xb, wcqe)) { | |
13194 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13195 | pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY; | |
13196 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13197 | } | |
4f774513 JS |
13198 | } |
13199 | ||
45ed1190 JS |
13200 | /** |
13201 | * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe | |
13202 | * @phba: Pointer to HBA context object. | |
7af29d45 | 13203 | * @irspiocbq: Pointer to work-queue completion queue entry. |
45ed1190 JS |
13204 | * |
13205 | * This routine handles an ELS work-queue completion event and construct | |
13206 | * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common | |
13207 | * discovery engine to handle. | |
13208 | * | |
13209 | * Return: Pointer to the receive IOCBQ, NULL otherwise. | |
13210 | **/ | |
13211 | static struct lpfc_iocbq * | |
13212 | lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, | |
13213 | struct lpfc_iocbq *irspiocbq) | |
13214 | { | |
895427bd | 13215 | struct lpfc_sli_ring *pring; |
45ed1190 JS |
13216 | struct lpfc_iocbq *cmdiocbq; |
13217 | struct lpfc_wcqe_complete *wcqe; | |
13218 | unsigned long iflags; | |
13219 | ||
895427bd | 13220 | pring = lpfc_phba_elsring(phba); |
1234a6d5 DK |
13221 | if (unlikely(!pring)) |
13222 | return NULL; | |
895427bd | 13223 | |
45ed1190 | 13224 | wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl; |
45ed1190 JS |
13225 | pring->stats.iocb_event++; |
13226 | /* Look up the ELS command IOCB and create pseudo response IOCB */ | |
13227 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, | |
13228 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
45ed1190 JS |
13229 | if (unlikely(!cmdiocbq)) { |
13230 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13231 | "0386 ELS complete with no corresponding " | |
401bb416 DK |
13232 | "cmdiocb: 0x%x 0x%x 0x%x 0x%x\n", |
13233 | wcqe->word0, wcqe->total_data_placed, | |
13234 | wcqe->parameter, wcqe->word3); | |
45ed1190 JS |
13235 | lpfc_sli_release_iocbq(phba, irspiocbq); |
13236 | return NULL; | |
13237 | } | |
13238 | ||
e2a8be56 | 13239 | spin_lock_irqsave(&pring->ring_lock, iflags); |
401bb416 DK |
13240 | /* Put the iocb back on the txcmplq */ |
13241 | lpfc_sli_ringtxcmpl_put(phba, pring, cmdiocbq); | |
13242 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
13243 | ||
45ed1190 | 13244 | /* Fake the irspiocbq and copy necessary response information */ |
341af102 | 13245 | lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe); |
45ed1190 JS |
13246 | |
13247 | return irspiocbq; | |
13248 | } | |
13249 | ||
8a5ca109 JS |
13250 | inline struct lpfc_cq_event * |
13251 | lpfc_cq_event_setup(struct lpfc_hba *phba, void *entry, int size) | |
13252 | { | |
13253 | struct lpfc_cq_event *cq_event; | |
13254 | ||
13255 | /* Allocate a new internal CQ_EVENT entry */ | |
13256 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
13257 | if (!cq_event) { | |
372c187b | 13258 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
8a5ca109 JS |
13259 | "0602 Failed to alloc CQ_EVENT entry\n"); |
13260 | return NULL; | |
13261 | } | |
13262 | ||
13263 | /* Move the CQE into the event */ | |
13264 | memcpy(&cq_event->cqe, entry, size); | |
13265 | return cq_event; | |
13266 | } | |
13267 | ||
04c68496 | 13268 | /** |
291c2548 | 13269 | * lpfc_sli4_sp_handle_async_event - Handle an asynchronous event |
04c68496 | 13270 | * @phba: Pointer to HBA context object. |
7af29d45 | 13271 | * @mcqe: Pointer to mailbox completion queue entry. |
04c68496 | 13272 | * |
291c2548 | 13273 | * This routine process a mailbox completion queue entry with asynchronous |
04c68496 JS |
13274 | * event. |
13275 | * | |
13276 | * Return: true if work posted to worker thread, otherwise false. | |
13277 | **/ | |
13278 | static bool | |
13279 | lpfc_sli4_sp_handle_async_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
13280 | { | |
13281 | struct lpfc_cq_event *cq_event; | |
13282 | unsigned long iflags; | |
13283 | ||
13284 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13285 | "0392 Async Event: word0:x%x, word1:x%x, " | |
13286 | "word2:x%x, word3:x%x\n", mcqe->word0, | |
13287 | mcqe->mcqe_tag0, mcqe->mcqe_tag1, mcqe->trailer); | |
13288 | ||
8a5ca109 JS |
13289 | cq_event = lpfc_cq_event_setup(phba, mcqe, sizeof(struct lpfc_mcqe)); |
13290 | if (!cq_event) | |
04c68496 | 13291 | return false; |
04c68496 JS |
13292 | spin_lock_irqsave(&phba->hbalock, iflags); |
13293 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_asynce_work_queue); | |
13294 | /* Set the async event flag */ | |
13295 | phba->hba_flag |= ASYNC_EVENT; | |
13296 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13297 | ||
13298 | return true; | |
13299 | } | |
13300 | ||
13301 | /** | |
13302 | * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event | |
13303 | * @phba: Pointer to HBA context object. | |
7af29d45 | 13304 | * @mcqe: Pointer to mailbox completion queue entry. |
04c68496 JS |
13305 | * |
13306 | * This routine process a mailbox completion queue entry with mailbox | |
13307 | * completion event. | |
13308 | * | |
13309 | * Return: true if work posted to worker thread, otherwise false. | |
13310 | **/ | |
13311 | static bool | |
13312 | lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
13313 | { | |
13314 | uint32_t mcqe_status; | |
13315 | MAILBOX_t *mbox, *pmbox; | |
13316 | struct lpfc_mqe *mqe; | |
13317 | struct lpfc_vport *vport; | |
13318 | struct lpfc_nodelist *ndlp; | |
13319 | struct lpfc_dmabuf *mp; | |
13320 | unsigned long iflags; | |
13321 | LPFC_MBOXQ_t *pmb; | |
13322 | bool workposted = false; | |
13323 | int rc; | |
13324 | ||
13325 | /* If not a mailbox complete MCQE, out by checking mailbox consume */ | |
13326 | if (!bf_get(lpfc_trailer_completed, mcqe)) | |
13327 | goto out_no_mqe_complete; | |
13328 | ||
13329 | /* Get the reference to the active mbox command */ | |
13330 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13331 | pmb = phba->sli.mbox_active; | |
13332 | if (unlikely(!pmb)) { | |
372c187b | 13333 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
04c68496 JS |
13334 | "1832 No pending MBOX command to handle\n"); |
13335 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13336 | goto out_no_mqe_complete; | |
13337 | } | |
13338 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13339 | mqe = &pmb->u.mqe; | |
13340 | pmbox = (MAILBOX_t *)&pmb->u.mqe; | |
13341 | mbox = phba->mbox; | |
13342 | vport = pmb->vport; | |
13343 | ||
13344 | /* Reset heartbeat timer */ | |
13345 | phba->last_completion_time = jiffies; | |
13346 | del_timer(&phba->sli.mbox_tmo); | |
13347 | ||
13348 | /* Move mbox data to caller's mailbox region, do endian swapping */ | |
13349 | if (pmb->mbox_cmpl && mbox) | |
48f8fdb4 | 13350 | lpfc_sli4_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe)); |
04c68496 | 13351 | |
73d91e50 JS |
13352 | /* |
13353 | * For mcqe errors, conditionally move a modified error code to | |
13354 | * the mbox so that the error will not be missed. | |
13355 | */ | |
13356 | mcqe_status = bf_get(lpfc_mcqe_status, mcqe); | |
13357 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { | |
13358 | if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS) | |
13359 | bf_set(lpfc_mqe_status, mqe, | |
13360 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
13361 | } | |
04c68496 JS |
13362 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { |
13363 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
13364 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT, | |
13365 | "MBOX dflt rpi: status:x%x rpi:x%x", | |
13366 | mcqe_status, | |
13367 | pmbox->un.varWords[0], 0); | |
13368 | if (mcqe_status == MB_CQE_STATUS_SUCCESS) { | |
3e1f0718 JS |
13369 | mp = (struct lpfc_dmabuf *)(pmb->ctx_buf); |
13370 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; | |
04c68496 JS |
13371 | /* Reg_LOGIN of dflt RPI was successful. Now lets get |
13372 | * RID of the PPI using the same mbox buffer. | |
13373 | */ | |
13374 | lpfc_unreg_login(phba, vport->vpi, | |
13375 | pmbox->un.varWords[0], pmb); | |
13376 | pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
3e1f0718 JS |
13377 | pmb->ctx_buf = mp; |
13378 | pmb->ctx_ndlp = ndlp; | |
04c68496 JS |
13379 | pmb->vport = vport; |
13380 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
13381 | if (rc != MBX_BUSY) | |
372c187b DK |
13382 | lpfc_printf_log(phba, KERN_ERR, |
13383 | LOG_TRACE_EVENT, | |
13384 | "0385 rc should " | |
04c68496 JS |
13385 | "have been MBX_BUSY\n"); |
13386 | if (rc != MBX_NOT_FINISHED) | |
13387 | goto send_current_mbox; | |
13388 | } | |
13389 | } | |
13390 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
13391 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
13392 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
13393 | ||
13394 | /* There is mailbox completion work to do */ | |
13395 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13396 | __lpfc_mbox_cmpl_put(phba, pmb); | |
13397 | phba->work_ha |= HA_MBATT; | |
13398 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13399 | workposted = true; | |
13400 | ||
13401 | send_current_mbox: | |
13402 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13403 | /* Release the mailbox command posting token */ | |
13404 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
13405 | /* Setting active mailbox pointer need to be in sync to flag clear */ | |
13406 | phba->sli.mbox_active = NULL; | |
07b85824 JS |
13407 | if (bf_get(lpfc_trailer_consumed, mcqe)) |
13408 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
04c68496 JS |
13409 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13410 | /* Wake up worker thread to post the next pending mailbox command */ | |
13411 | lpfc_worker_wake_up(phba); | |
07b85824 JS |
13412 | return workposted; |
13413 | ||
04c68496 | 13414 | out_no_mqe_complete: |
07b85824 | 13415 | spin_lock_irqsave(&phba->hbalock, iflags); |
04c68496 JS |
13416 | if (bf_get(lpfc_trailer_consumed, mcqe)) |
13417 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
07b85824 JS |
13418 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13419 | return false; | |
04c68496 JS |
13420 | } |
13421 | ||
13422 | /** | |
13423 | * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry | |
13424 | * @phba: Pointer to HBA context object. | |
7af29d45 | 13425 | * @cq: Pointer to associated CQ |
04c68496 JS |
13426 | * @cqe: Pointer to mailbox completion queue entry. |
13427 | * | |
13428 | * This routine process a mailbox completion queue entry, it invokes the | |
291c2548 | 13429 | * proper mailbox complete handling or asynchronous event handling routine |
04c68496 JS |
13430 | * according to the MCQE's async bit. |
13431 | * | |
13432 | * Return: true if work posted to worker thread, otherwise false. | |
13433 | **/ | |
13434 | static bool | |
32517fc0 JS |
13435 | lpfc_sli4_sp_handle_mcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
13436 | struct lpfc_cqe *cqe) | |
04c68496 JS |
13437 | { |
13438 | struct lpfc_mcqe mcqe; | |
13439 | bool workposted; | |
13440 | ||
32517fc0 JS |
13441 | cq->CQ_mbox++; |
13442 | ||
04c68496 | 13443 | /* Copy the mailbox MCQE and convert endian order as needed */ |
48f8fdb4 | 13444 | lpfc_sli4_pcimem_bcopy(cqe, &mcqe, sizeof(struct lpfc_mcqe)); |
04c68496 JS |
13445 | |
13446 | /* Invoke the proper event handling routine */ | |
13447 | if (!bf_get(lpfc_trailer_async, &mcqe)) | |
13448 | workposted = lpfc_sli4_sp_handle_mbox_event(phba, &mcqe); | |
13449 | else | |
13450 | workposted = lpfc_sli4_sp_handle_async_event(phba, &mcqe); | |
13451 | return workposted; | |
13452 | } | |
13453 | ||
4f774513 JS |
13454 | /** |
13455 | * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event | |
13456 | * @phba: Pointer to HBA context object. | |
2a76a283 | 13457 | * @cq: Pointer to associated CQ |
4f774513 JS |
13458 | * @wcqe: Pointer to work-queue completion queue entry. |
13459 | * | |
13460 | * This routine handles an ELS work-queue completion event. | |
13461 | * | |
13462 | * Return: true if work posted to worker thread, otherwise false. | |
13463 | **/ | |
13464 | static bool | |
2a76a283 | 13465 | lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13466 | struct lpfc_wcqe_complete *wcqe) |
13467 | { | |
4f774513 JS |
13468 | struct lpfc_iocbq *irspiocbq; |
13469 | unsigned long iflags; | |
2a76a283 | 13470 | struct lpfc_sli_ring *pring = cq->pring; |
0e9bb8d7 JS |
13471 | int txq_cnt = 0; |
13472 | int txcmplq_cnt = 0; | |
4f774513 | 13473 | |
11f0e34f JS |
13474 | /* Check for response status */ |
13475 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
13476 | /* Log the error status */ | |
13477 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13478 | "0357 ELS CQE error: status=x%x: " | |
13479 | "CQE: %08x %08x %08x %08x\n", | |
13480 | bf_get(lpfc_wcqe_c_status, wcqe), | |
13481 | wcqe->word0, wcqe->total_data_placed, | |
13482 | wcqe->parameter, wcqe->word3); | |
13483 | } | |
13484 | ||
45ed1190 | 13485 | /* Get an irspiocbq for later ELS response processing use */ |
4f774513 JS |
13486 | irspiocbq = lpfc_sli_get_iocbq(phba); |
13487 | if (!irspiocbq) { | |
0e9bb8d7 JS |
13488 | if (!list_empty(&pring->txq)) |
13489 | txq_cnt++; | |
13490 | if (!list_empty(&pring->txcmplq)) | |
13491 | txcmplq_cnt++; | |
372c187b | 13492 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2a9bf3d0 | 13493 | "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d " |
ff349bca | 13494 | "els_txcmplq_cnt=%d\n", |
0e9bb8d7 | 13495 | txq_cnt, phba->iocb_cnt, |
0e9bb8d7 | 13496 | txcmplq_cnt); |
45ed1190 | 13497 | return false; |
4f774513 | 13498 | } |
4f774513 | 13499 | |
45ed1190 JS |
13500 | /* Save off the slow-path queue event for work thread to process */ |
13501 | memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe)); | |
4f774513 | 13502 | spin_lock_irqsave(&phba->hbalock, iflags); |
4d9ab994 | 13503 | list_add_tail(&irspiocbq->cq_event.list, |
45ed1190 JS |
13504 | &phba->sli4_hba.sp_queue_event); |
13505 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
4f774513 | 13506 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
4f774513 | 13507 | |
45ed1190 | 13508 | return true; |
4f774513 JS |
13509 | } |
13510 | ||
13511 | /** | |
13512 | * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event | |
13513 | * @phba: Pointer to HBA context object. | |
13514 | * @wcqe: Pointer to work-queue completion queue entry. | |
13515 | * | |
3f8b6fb7 | 13516 | * This routine handles slow-path WQ entry consumed event by invoking the |
4f774513 JS |
13517 | * proper WQ release routine to the slow-path WQ. |
13518 | **/ | |
13519 | static void | |
13520 | lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba *phba, | |
13521 | struct lpfc_wcqe_release *wcqe) | |
13522 | { | |
2e90f4b5 JS |
13523 | /* sanity check on queue memory */ |
13524 | if (unlikely(!phba->sli4_hba.els_wq)) | |
13525 | return; | |
4f774513 JS |
13526 | /* Check for the slow-path ELS work queue */ |
13527 | if (bf_get(lpfc_wcqe_r_wq_id, wcqe) == phba->sli4_hba.els_wq->queue_id) | |
13528 | lpfc_sli4_wq_release(phba->sli4_hba.els_wq, | |
13529 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
13530 | else | |
13531 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13532 | "2579 Slow-path wqe consume event carries " | |
13533 | "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n", | |
13534 | bf_get(lpfc_wcqe_r_wqe_index, wcqe), | |
13535 | phba->sli4_hba.els_wq->queue_id); | |
13536 | } | |
13537 | ||
13538 | /** | |
13539 | * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event | |
13540 | * @phba: Pointer to HBA context object. | |
13541 | * @cq: Pointer to a WQ completion queue. | |
13542 | * @wcqe: Pointer to work-queue completion queue entry. | |
13543 | * | |
13544 | * This routine handles an XRI abort event. | |
13545 | * | |
13546 | * Return: true if work posted to worker thread, otherwise false. | |
13547 | **/ | |
13548 | static bool | |
13549 | lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba, | |
13550 | struct lpfc_queue *cq, | |
13551 | struct sli4_wcqe_xri_aborted *wcqe) | |
13552 | { | |
13553 | bool workposted = false; | |
13554 | struct lpfc_cq_event *cq_event; | |
13555 | unsigned long iflags; | |
13556 | ||
4f774513 | 13557 | switch (cq->subtype) { |
c00f62e6 JS |
13558 | case LPFC_IO: |
13559 | lpfc_sli4_io_xri_aborted(phba, wcqe, cq->hdwq); | |
13560 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
13561 | /* Notify aborted XRI for NVME work queue */ | |
13562 | if (phba->nvmet_support) | |
13563 | lpfc_sli4_nvmet_xri_aborted(phba, wcqe); | |
13564 | } | |
5e5b511d | 13565 | workposted = false; |
4f774513 | 13566 | break; |
422c4cb7 | 13567 | case LPFC_NVME_LS: /* NVME LS uses ELS resources */ |
4f774513 | 13568 | case LPFC_ELS: |
8a5ca109 JS |
13569 | cq_event = lpfc_cq_event_setup( |
13570 | phba, wcqe, sizeof(struct sli4_wcqe_xri_aborted)); | |
13571 | if (!cq_event) | |
13572 | return false; | |
5e5b511d | 13573 | cq_event->hdwq = cq->hdwq; |
4f774513 JS |
13574 | spin_lock_irqsave(&phba->hbalock, iflags); |
13575 | list_add_tail(&cq_event->list, | |
13576 | &phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
13577 | /* Set the els xri abort event flag */ | |
13578 | phba->hba_flag |= ELS_XRI_ABORT_EVENT; | |
13579 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13580 | workposted = true; | |
13581 | break; | |
13582 | default: | |
372c187b | 13583 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
318083ad JS |
13584 | "0603 Invalid CQ subtype %d: " |
13585 | "%08x %08x %08x %08x\n", | |
13586 | cq->subtype, wcqe->word0, wcqe->parameter, | |
13587 | wcqe->word2, wcqe->word3); | |
4f774513 JS |
13588 | workposted = false; |
13589 | break; | |
13590 | } | |
13591 | return workposted; | |
13592 | } | |
13593 | ||
e817e5d7 JS |
13594 | #define FC_RCTL_MDS_DIAGS 0xF4 |
13595 | ||
4f774513 JS |
13596 | /** |
13597 | * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry | |
13598 | * @phba: Pointer to HBA context object. | |
13599 | * @rcqe: Pointer to receive-queue completion queue entry. | |
13600 | * | |
13601 | * This routine process a receive-queue completion queue entry. | |
13602 | * | |
13603 | * Return: true if work posted to worker thread, otherwise false. | |
13604 | **/ | |
13605 | static bool | |
4d9ab994 | 13606 | lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) |
4f774513 | 13607 | { |
4f774513 | 13608 | bool workposted = false; |
e817e5d7 | 13609 | struct fc_frame_header *fc_hdr; |
4f774513 JS |
13610 | struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; |
13611 | struct lpfc_queue *drq = phba->sli4_hba.dat_rq; | |
547077a4 | 13612 | struct lpfc_nvmet_tgtport *tgtp; |
4f774513 | 13613 | struct hbq_dmabuf *dma_buf; |
7851fe2c | 13614 | uint32_t status, rq_id; |
4f774513 JS |
13615 | unsigned long iflags; |
13616 | ||
2e90f4b5 JS |
13617 | /* sanity check on queue memory */ |
13618 | if (unlikely(!hrq) || unlikely(!drq)) | |
13619 | return workposted; | |
13620 | ||
7851fe2c JS |
13621 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) |
13622 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
13623 | else | |
13624 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
13625 | if (rq_id != hrq->queue_id) | |
4f774513 JS |
13626 | goto out; |
13627 | ||
4d9ab994 | 13628 | status = bf_get(lpfc_rcqe_status, rcqe); |
4f774513 JS |
13629 | switch (status) { |
13630 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
372c187b | 13631 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 | 13632 | "2537 Receive Frame Truncated!!\n"); |
5bd5f66c | 13633 | /* fall through */ |
4f774513 JS |
13634 | case FC_STATUS_RQ_SUCCESS: |
13635 | spin_lock_irqsave(&phba->hbalock, iflags); | |
cbc5de1b | 13636 | lpfc_sli4_rq_release(hrq, drq); |
4f774513 JS |
13637 | dma_buf = lpfc_sli_hbqbuf_get(&phba->hbqs[0].hbq_buffer_list); |
13638 | if (!dma_buf) { | |
b84daac9 | 13639 | hrq->RQ_no_buf_found++; |
4f774513 JS |
13640 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13641 | goto out; | |
13642 | } | |
b84daac9 | 13643 | hrq->RQ_rcv_buf++; |
547077a4 | 13644 | hrq->RQ_buf_posted--; |
4d9ab994 | 13645 | memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe)); |
895427bd | 13646 | |
e817e5d7 JS |
13647 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
13648 | ||
13649 | if (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS || | |
13650 | fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) { | |
13651 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13652 | /* Handle MDS Loopback frames */ | |
13653 | lpfc_sli4_handle_mds_loopback(phba->pport, dma_buf); | |
13654 | break; | |
13655 | } | |
13656 | ||
13657 | /* save off the frame for the work thread to process */ | |
4d9ab994 | 13658 | list_add_tail(&dma_buf->cq_event.list, |
45ed1190 | 13659 | &phba->sli4_hba.sp_queue_event); |
4f774513 | 13660 | /* Frame received */ |
45ed1190 | 13661 | phba->hba_flag |= HBA_SP_QUEUE_EVT; |
4f774513 JS |
13662 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13663 | workposted = true; | |
13664 | break; | |
4f774513 | 13665 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
13666 | if (phba->nvmet_support) { |
13667 | tgtp = phba->targetport->private; | |
372c187b | 13668 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
547077a4 JS |
13669 | "6402 RQE Error x%x, posted %d err_cnt " |
13670 | "%d: %x %x %x\n", | |
13671 | status, hrq->RQ_buf_posted, | |
13672 | hrq->RQ_no_posted_buf, | |
13673 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
13674 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
13675 | atomic_read(&tgtp->xmt_fcp_release)); | |
13676 | } | |
13677 | /* fallthrough */ | |
13678 | ||
13679 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
b84daac9 | 13680 | hrq->RQ_no_posted_buf++; |
4f774513 JS |
13681 | /* Post more buffers if possible */ |
13682 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13683 | phba->hba_flag |= HBA_POST_RECEIVE_BUFFER; | |
13684 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13685 | workposted = true; | |
13686 | break; | |
13687 | } | |
13688 | out: | |
13689 | return workposted; | |
4f774513 JS |
13690 | } |
13691 | ||
4d9ab994 JS |
13692 | /** |
13693 | * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry | |
13694 | * @phba: Pointer to HBA context object. | |
13695 | * @cq: Pointer to the completion queue. | |
32517fc0 | 13696 | * @cqe: Pointer to a completion queue entry. |
4d9ab994 | 13697 | * |
25985edc | 13698 | * This routine process a slow-path work-queue or receive queue completion queue |
4d9ab994 JS |
13699 | * entry. |
13700 | * | |
13701 | * Return: true if work posted to worker thread, otherwise false. | |
13702 | **/ | |
13703 | static bool | |
13704 | lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13705 | struct lpfc_cqe *cqe) | |
13706 | { | |
45ed1190 | 13707 | struct lpfc_cqe cqevt; |
4d9ab994 JS |
13708 | bool workposted = false; |
13709 | ||
13710 | /* Copy the work queue CQE and convert endian order if needed */ | |
48f8fdb4 | 13711 | lpfc_sli4_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe)); |
4d9ab994 JS |
13712 | |
13713 | /* Check and process for different type of WCQE and dispatch */ | |
45ed1190 | 13714 | switch (bf_get(lpfc_cqe_code, &cqevt)) { |
4d9ab994 | 13715 | case CQE_CODE_COMPL_WQE: |
45ed1190 | 13716 | /* Process the WQ/RQ complete event */ |
bc73905a | 13717 | phba->last_completion_time = jiffies; |
2a76a283 | 13718 | workposted = lpfc_sli4_sp_handle_els_wcqe(phba, cq, |
45ed1190 | 13719 | (struct lpfc_wcqe_complete *)&cqevt); |
4d9ab994 JS |
13720 | break; |
13721 | case CQE_CODE_RELEASE_WQE: | |
13722 | /* Process the WQ release event */ | |
13723 | lpfc_sli4_sp_handle_rel_wcqe(phba, | |
45ed1190 | 13724 | (struct lpfc_wcqe_release *)&cqevt); |
4d9ab994 JS |
13725 | break; |
13726 | case CQE_CODE_XRI_ABORTED: | |
13727 | /* Process the WQ XRI abort event */ | |
bc73905a | 13728 | phba->last_completion_time = jiffies; |
4d9ab994 | 13729 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
45ed1190 | 13730 | (struct sli4_wcqe_xri_aborted *)&cqevt); |
4d9ab994 JS |
13731 | break; |
13732 | case CQE_CODE_RECEIVE: | |
7851fe2c | 13733 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 | 13734 | /* Process the RQ event */ |
bc73905a | 13735 | phba->last_completion_time = jiffies; |
4d9ab994 | 13736 | workposted = lpfc_sli4_sp_handle_rcqe(phba, |
45ed1190 | 13737 | (struct lpfc_rcqe *)&cqevt); |
4d9ab994 JS |
13738 | break; |
13739 | default: | |
372c187b | 13740 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4d9ab994 | 13741 | "0388 Not a valid WCQE code: x%x\n", |
45ed1190 | 13742 | bf_get(lpfc_cqe_code, &cqevt)); |
4d9ab994 JS |
13743 | break; |
13744 | } | |
13745 | return workposted; | |
13746 | } | |
13747 | ||
4f774513 JS |
13748 | /** |
13749 | * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry | |
13750 | * @phba: Pointer to HBA context object. | |
13751 | * @eqe: Pointer to fast-path event queue entry. | |
7af29d45 | 13752 | * @speq: Pointer to slow-path event queue. |
4f774513 JS |
13753 | * |
13754 | * This routine process a event queue entry from the slow-path event queue. | |
13755 | * It will check the MajorCode and MinorCode to determine this is for a | |
13756 | * completion event on a completion queue, if not, an error shall be logged | |
13757 | * and just return. Otherwise, it will get to the corresponding completion | |
13758 | * queue and process all the entries on that completion queue, rearm the | |
13759 | * completion queue, and then return. | |
13760 | * | |
13761 | **/ | |
f485c18d | 13762 | static void |
67d12733 JS |
13763 | lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
13764 | struct lpfc_queue *speq) | |
4f774513 | 13765 | { |
67d12733 | 13766 | struct lpfc_queue *cq = NULL, *childq; |
4f774513 | 13767 | uint16_t cqid; |
86ee57a9 | 13768 | int ret = 0; |
4f774513 | 13769 | |
4f774513 | 13770 | /* Get the reference to the corresponding CQ */ |
cb5172ea | 13771 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); |
4f774513 | 13772 | |
4f774513 JS |
13773 | list_for_each_entry(childq, &speq->child_list, list) { |
13774 | if (childq->queue_id == cqid) { | |
13775 | cq = childq; | |
13776 | break; | |
13777 | } | |
13778 | } | |
13779 | if (unlikely(!cq)) { | |
75baf696 | 13780 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
372c187b | 13781 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
75baf696 JS |
13782 | "0365 Slow-path CQ identifier " |
13783 | "(%d) does not exist\n", cqid); | |
f485c18d | 13784 | return; |
4f774513 JS |
13785 | } |
13786 | ||
895427bd JS |
13787 | /* Save EQ associated with this CQ */ |
13788 | cq->assoc_qp = speq; | |
13789 | ||
86ee57a9 DK |
13790 | if (is_kdump_kernel()) |
13791 | ret = queue_work(phba->wq, &cq->spwork); | |
13792 | else | |
13793 | ret = queue_work_on(cq->chann, phba->wq, &cq->spwork); | |
13794 | ||
13795 | if (!ret) | |
372c187b | 13796 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
317aeb83 | 13797 | "0390 Cannot schedule queue work " |
f485c18d | 13798 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", |
d6d189ce | 13799 | cqid, cq->queue_id, raw_smp_processor_id()); |
f485c18d DK |
13800 | } |
13801 | ||
13802 | /** | |
32517fc0 | 13803 | * __lpfc_sli4_process_cq - Process elements of a CQ |
f485c18d | 13804 | * @phba: Pointer to HBA context object. |
32517fc0 JS |
13805 | * @cq: Pointer to CQ to be processed |
13806 | * @handler: Routine to process each cqe | |
13807 | * @delay: Pointer to usdelay to set in case of rescheduling of the handler | |
317aeb83 | 13808 | * @poll_mode: Polling mode we were called from |
f485c18d | 13809 | * |
32517fc0 JS |
13810 | * This routine processes completion queue entries in a CQ. While a valid |
13811 | * queue element is found, the handler is called. During processing checks | |
13812 | * are made for periodic doorbell writes to let the hardware know of | |
13813 | * element consumption. | |
13814 | * | |
13815 | * If the max limit on cqes to process is hit, or there are no more valid | |
13816 | * entries, the loop stops. If we processed a sufficient number of elements, | |
13817 | * meaning there is sufficient load, rather than rearming and generating | |
13818 | * another interrupt, a cq rescheduling delay will be set. A delay of 0 | |
13819 | * indicates no rescheduling. | |
f485c18d | 13820 | * |
32517fc0 | 13821 | * Returns True if work scheduled, False otherwise. |
f485c18d | 13822 | **/ |
32517fc0 JS |
13823 | static bool |
13824 | __lpfc_sli4_process_cq(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13825 | bool (*handler)(struct lpfc_hba *, struct lpfc_queue *, | |
317aeb83 DK |
13826 | struct lpfc_cqe *), unsigned long *delay, |
13827 | enum lpfc_poll_mode poll_mode) | |
f485c18d | 13828 | { |
f485c18d DK |
13829 | struct lpfc_cqe *cqe; |
13830 | bool workposted = false; | |
32517fc0 JS |
13831 | int count = 0, consumed = 0; |
13832 | bool arm = true; | |
13833 | ||
13834 | /* default - no reschedule */ | |
13835 | *delay = 0; | |
13836 | ||
13837 | if (cmpxchg(&cq->queue_claimed, 0, 1) != 0) | |
13838 | goto rearm_and_exit; | |
f485c18d | 13839 | |
4f774513 | 13840 | /* Process all the entries to the CQ */ |
d74a89aa | 13841 | cq->q_flag = 0; |
32517fc0 JS |
13842 | cqe = lpfc_sli4_cq_get(cq); |
13843 | while (cqe) { | |
32517fc0 JS |
13844 | workposted |= handler(phba, cq, cqe); |
13845 | __lpfc_sli4_consume_cqe(phba, cq, cqe); | |
13846 | ||
13847 | consumed++; | |
13848 | if (!(++count % cq->max_proc_limit)) | |
13849 | break; | |
13850 | ||
13851 | if (!(count % cq->notify_interval)) { | |
13852 | phba->sli4_hba.sli4_write_cq_db(phba, cq, consumed, | |
13853 | LPFC_QUEUE_NOARM); | |
13854 | consumed = 0; | |
8156d378 | 13855 | cq->assoc_qp->q_flag |= HBA_EQ_DELAY_CHK; |
32517fc0 JS |
13856 | } |
13857 | ||
d74a89aa JS |
13858 | if (count == LPFC_NVMET_CQ_NOTIFY) |
13859 | cq->q_flag |= HBA_NVMET_CQ_NOTIFY; | |
13860 | ||
32517fc0 JS |
13861 | cqe = lpfc_sli4_cq_get(cq); |
13862 | } | |
13863 | if (count >= phba->cfg_cq_poll_threshold) { | |
13864 | *delay = 1; | |
13865 | arm = false; | |
13866 | } | |
13867 | ||
317aeb83 DK |
13868 | /* Note: complete the irq_poll softirq before rearming CQ */ |
13869 | if (poll_mode == LPFC_IRQ_POLL) | |
13870 | irq_poll_complete(&cq->iop); | |
13871 | ||
32517fc0 JS |
13872 | /* Track the max number of CQEs processed in 1 EQ */ |
13873 | if (count > cq->CQ_max_cqe) | |
13874 | cq->CQ_max_cqe = count; | |
13875 | ||
13876 | cq->assoc_qp->EQ_cqe_cnt += count; | |
13877 | ||
13878 | /* Catch the no cq entry condition */ | |
13879 | if (unlikely(count == 0)) | |
13880 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13881 | "0369 No entry from completion queue " | |
13882 | "qid=%d\n", cq->queue_id); | |
13883 | ||
164ba8d2 | 13884 | xchg(&cq->queue_claimed, 0); |
32517fc0 JS |
13885 | |
13886 | rearm_and_exit: | |
13887 | phba->sli4_hba.sli4_write_cq_db(phba, cq, consumed, | |
13888 | arm ? LPFC_QUEUE_REARM : LPFC_QUEUE_NOARM); | |
13889 | ||
13890 | return workposted; | |
13891 | } | |
13892 | ||
13893 | /** | |
13894 | * lpfc_sli4_sp_process_cq - Process a slow-path event queue entry | |
13895 | * @cq: pointer to CQ to process | |
13896 | * | |
13897 | * This routine calls the cq processing routine with a handler specific | |
13898 | * to the type of queue bound to it. | |
13899 | * | |
13900 | * The CQ routine returns two values: the first is the calling status, | |
13901 | * which indicates whether work was queued to the background discovery | |
13902 | * thread. If true, the routine should wakeup the discovery thread; | |
13903 | * the second is the delay parameter. If non-zero, rather than rearming | |
13904 | * the CQ and yet another interrupt, the CQ handler should be queued so | |
13905 | * that it is processed in a subsequent polling action. The value of | |
13906 | * the delay indicates when to reschedule it. | |
13907 | **/ | |
13908 | static void | |
13909 | __lpfc_sli4_sp_process_cq(struct lpfc_queue *cq) | |
13910 | { | |
13911 | struct lpfc_hba *phba = cq->phba; | |
13912 | unsigned long delay; | |
13913 | bool workposted = false; | |
86ee57a9 | 13914 | int ret = 0; |
32517fc0 JS |
13915 | |
13916 | /* Process and rearm the CQ */ | |
4f774513 JS |
13917 | switch (cq->type) { |
13918 | case LPFC_MCQ: | |
32517fc0 JS |
13919 | workposted |= __lpfc_sli4_process_cq(phba, cq, |
13920 | lpfc_sli4_sp_handle_mcqe, | |
317aeb83 | 13921 | &delay, LPFC_QUEUE_WORK); |
4f774513 JS |
13922 | break; |
13923 | case LPFC_WCQ: | |
c00f62e6 | 13924 | if (cq->subtype == LPFC_IO) |
32517fc0 JS |
13925 | workposted |= __lpfc_sli4_process_cq(phba, cq, |
13926 | lpfc_sli4_fp_handle_cqe, | |
317aeb83 | 13927 | &delay, LPFC_QUEUE_WORK); |
32517fc0 JS |
13928 | else |
13929 | workposted |= __lpfc_sli4_process_cq(phba, cq, | |
13930 | lpfc_sli4_sp_handle_cqe, | |
317aeb83 | 13931 | &delay, LPFC_QUEUE_WORK); |
4f774513 JS |
13932 | break; |
13933 | default: | |
372c187b | 13934 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
13935 | "0370 Invalid completion queue type (%d)\n", |
13936 | cq->type); | |
f485c18d | 13937 | return; |
4f774513 JS |
13938 | } |
13939 | ||
32517fc0 | 13940 | if (delay) { |
86ee57a9 DK |
13941 | if (is_kdump_kernel()) |
13942 | ret = queue_delayed_work(phba->wq, &cq->sched_spwork, | |
13943 | delay); | |
13944 | else | |
13945 | ret = queue_delayed_work_on(cq->chann, phba->wq, | |
13946 | &cq->sched_spwork, delay); | |
13947 | if (!ret) | |
372c187b | 13948 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
317aeb83 | 13949 | "0394 Cannot schedule queue work " |
32517fc0 JS |
13950 | "for cqid=%d on CPU %d\n", |
13951 | cq->queue_id, cq->chann); | |
13952 | } | |
4f774513 JS |
13953 | |
13954 | /* wake up worker thread if there are works to be done */ | |
13955 | if (workposted) | |
13956 | lpfc_worker_wake_up(phba); | |
13957 | } | |
13958 | ||
32517fc0 JS |
13959 | /** |
13960 | * lpfc_sli4_sp_process_cq - slow-path work handler when started by | |
13961 | * interrupt | |
13962 | * @work: pointer to work element | |
13963 | * | |
13964 | * translates from the work handler and calls the slow-path handler. | |
13965 | **/ | |
13966 | static void | |
13967 | lpfc_sli4_sp_process_cq(struct work_struct *work) | |
13968 | { | |
13969 | struct lpfc_queue *cq = container_of(work, struct lpfc_queue, spwork); | |
13970 | ||
13971 | __lpfc_sli4_sp_process_cq(cq); | |
13972 | } | |
13973 | ||
13974 | /** | |
13975 | * lpfc_sli4_dly_sp_process_cq - slow-path work handler when started by timer | |
13976 | * @work: pointer to work element | |
13977 | * | |
13978 | * translates from the work handler and calls the slow-path handler. | |
13979 | **/ | |
13980 | static void | |
13981 | lpfc_sli4_dly_sp_process_cq(struct work_struct *work) | |
13982 | { | |
13983 | struct lpfc_queue *cq = container_of(to_delayed_work(work), | |
13984 | struct lpfc_queue, sched_spwork); | |
13985 | ||
13986 | __lpfc_sli4_sp_process_cq(cq); | |
13987 | } | |
13988 | ||
4f774513 JS |
13989 | /** |
13990 | * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry | |
2a76a283 JS |
13991 | * @phba: Pointer to HBA context object. |
13992 | * @cq: Pointer to associated CQ | |
13993 | * @wcqe: Pointer to work-queue completion queue entry. | |
4f774513 JS |
13994 | * |
13995 | * This routine process a fast-path work queue completion entry from fast-path | |
13996 | * event queue for FCP command response completion. | |
13997 | **/ | |
13998 | static void | |
2a76a283 | 13999 | lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
14000 | struct lpfc_wcqe_complete *wcqe) |
14001 | { | |
2a76a283 | 14002 | struct lpfc_sli_ring *pring = cq->pring; |
4f774513 JS |
14003 | struct lpfc_iocbq *cmdiocbq; |
14004 | struct lpfc_iocbq irspiocbq; | |
14005 | unsigned long iflags; | |
14006 | ||
4f774513 JS |
14007 | /* Check for response status */ |
14008 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
14009 | /* If resource errors reported from HBA, reduce queue | |
14010 | * depth of the SCSI device. | |
14011 | */ | |
e3d2b802 JS |
14012 | if (((bf_get(lpfc_wcqe_c_status, wcqe) == |
14013 | IOSTAT_LOCAL_REJECT)) && | |
14014 | ((wcqe->parameter & IOERR_PARAM_MASK) == | |
14015 | IOERR_NO_RESOURCES)) | |
4f774513 | 14016 | phba->lpfc_rampdown_queue_depth(phba); |
e3d2b802 | 14017 | |
28ed7374 | 14018 | /* Log the cmpl status */ |
11f0e34f | 14019 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
28ed7374 | 14020 | "0373 FCP CQE cmpl: status=x%x: " |
11f0e34f | 14021 | "CQE: %08x %08x %08x %08x\n", |
4f774513 | 14022 | bf_get(lpfc_wcqe_c_status, wcqe), |
11f0e34f JS |
14023 | wcqe->word0, wcqe->total_data_placed, |
14024 | wcqe->parameter, wcqe->word3); | |
4f774513 JS |
14025 | } |
14026 | ||
14027 | /* Look up the FCP command IOCB and create pseudo response IOCB */ | |
7e56aa25 JS |
14028 | spin_lock_irqsave(&pring->ring_lock, iflags); |
14029 | pring->stats.iocb_event++; | |
e2a8be56 | 14030 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
4f774513 JS |
14031 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, |
14032 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
4f774513 JS |
14033 | if (unlikely(!cmdiocbq)) { |
14034 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
14035 | "0374 FCP complete with no corresponding " | |
14036 | "cmdiocb: iotag (%d)\n", | |
14037 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
14038 | return; | |
14039 | } | |
c8a4ce0b DK |
14040 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
14041 | cmdiocbq->isr_timestamp = cq->isr_timestamp; | |
14042 | #endif | |
895427bd JS |
14043 | if (cmdiocbq->iocb_cmpl == NULL) { |
14044 | if (cmdiocbq->wqe_cmpl) { | |
14045 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { | |
14046 | spin_lock_irqsave(&phba->hbalock, iflags); | |
14047 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
14048 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
14049 | } | |
14050 | ||
14051 | /* Pass the cmd_iocb and the wcqe to the upper layer */ | |
14052 | (cmdiocbq->wqe_cmpl)(phba, cmdiocbq, wcqe); | |
14053 | return; | |
14054 | } | |
4f774513 JS |
14055 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
14056 | "0375 FCP cmdiocb not callback function " | |
14057 | "iotag: (%d)\n", | |
14058 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
14059 | return; | |
14060 | } | |
14061 | ||
14062 | /* Fake the irspiocb and copy necessary response information */ | |
341af102 | 14063 | lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe); |
4f774513 | 14064 | |
0f65ff68 JS |
14065 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { |
14066 | spin_lock_irqsave(&phba->hbalock, iflags); | |
14067 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
14068 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
14069 | } | |
14070 | ||
4f774513 JS |
14071 | /* Pass the cmd_iocb and the rsp state to the upper layer */ |
14072 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq); | |
14073 | } | |
14074 | ||
14075 | /** | |
14076 | * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event | |
14077 | * @phba: Pointer to HBA context object. | |
14078 | * @cq: Pointer to completion queue. | |
14079 | * @wcqe: Pointer to work-queue completion queue entry. | |
14080 | * | |
3f8b6fb7 | 14081 | * This routine handles an fast-path WQ entry consumed event by invoking the |
4f774513 JS |
14082 | * proper WQ release routine to the slow-path WQ. |
14083 | **/ | |
14084 | static void | |
14085 | lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
14086 | struct lpfc_wcqe_release *wcqe) | |
14087 | { | |
14088 | struct lpfc_queue *childwq; | |
14089 | bool wqid_matched = false; | |
895427bd | 14090 | uint16_t hba_wqid; |
4f774513 JS |
14091 | |
14092 | /* Check for fast-path FCP work queue release */ | |
895427bd | 14093 | hba_wqid = bf_get(lpfc_wcqe_r_wq_id, wcqe); |
4f774513 | 14094 | list_for_each_entry(childwq, &cq->child_list, list) { |
895427bd | 14095 | if (childwq->queue_id == hba_wqid) { |
4f774513 JS |
14096 | lpfc_sli4_wq_release(childwq, |
14097 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
6e8e1c14 JS |
14098 | if (childwq->q_flag & HBA_NVMET_WQFULL) |
14099 | lpfc_nvmet_wqfull_process(phba, childwq); | |
4f774513 JS |
14100 | wqid_matched = true; |
14101 | break; | |
14102 | } | |
14103 | } | |
14104 | /* Report warning log message if no match found */ | |
14105 | if (wqid_matched != true) | |
14106 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
14107 | "2580 Fast-path wqe consume event carries " | |
895427bd | 14108 | "miss-matched qid: wcqe-qid=x%x\n", hba_wqid); |
4f774513 JS |
14109 | } |
14110 | ||
14111 | /** | |
2d7dbc4c JS |
14112 | * lpfc_sli4_nvmet_handle_rcqe - Process a receive-queue completion queue entry |
14113 | * @phba: Pointer to HBA context object. | |
7af29d45 | 14114 | * @cq: Pointer to completion queue. |
2d7dbc4c | 14115 | * @rcqe: Pointer to receive-queue completion queue entry. |
4f774513 | 14116 | * |
2d7dbc4c JS |
14117 | * This routine process a receive-queue completion queue entry. |
14118 | * | |
14119 | * Return: true if work posted to worker thread, otherwise false. | |
14120 | **/ | |
14121 | static bool | |
14122 | lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
14123 | struct lpfc_rcqe *rcqe) | |
14124 | { | |
14125 | bool workposted = false; | |
14126 | struct lpfc_queue *hrq; | |
14127 | struct lpfc_queue *drq; | |
14128 | struct rqb_dmabuf *dma_buf; | |
14129 | struct fc_frame_header *fc_hdr; | |
547077a4 | 14130 | struct lpfc_nvmet_tgtport *tgtp; |
2d7dbc4c JS |
14131 | uint32_t status, rq_id; |
14132 | unsigned long iflags; | |
14133 | uint32_t fctl, idx; | |
14134 | ||
14135 | if ((phba->nvmet_support == 0) || | |
14136 | (phba->sli4_hba.nvmet_cqset == NULL)) | |
14137 | return workposted; | |
14138 | ||
14139 | idx = cq->queue_id - phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
14140 | hrq = phba->sli4_hba.nvmet_mrq_hdr[idx]; | |
14141 | drq = phba->sli4_hba.nvmet_mrq_data[idx]; | |
14142 | ||
14143 | /* sanity check on queue memory */ | |
14144 | if (unlikely(!hrq) || unlikely(!drq)) | |
14145 | return workposted; | |
14146 | ||
14147 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) | |
14148 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
14149 | else | |
14150 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
14151 | ||
14152 | if ((phba->nvmet_support == 0) || | |
14153 | (rq_id != hrq->queue_id)) | |
14154 | return workposted; | |
14155 | ||
14156 | status = bf_get(lpfc_rcqe_status, rcqe); | |
14157 | switch (status) { | |
14158 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
372c187b | 14159 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2d7dbc4c | 14160 | "6126 Receive Frame Truncated!!\n"); |
5bd5f66c | 14161 | /* fall through */ |
2d7dbc4c | 14162 | case FC_STATUS_RQ_SUCCESS: |
2d7dbc4c | 14163 | spin_lock_irqsave(&phba->hbalock, iflags); |
cbc5de1b | 14164 | lpfc_sli4_rq_release(hrq, drq); |
2d7dbc4c JS |
14165 | dma_buf = lpfc_sli_rqbuf_get(phba, hrq); |
14166 | if (!dma_buf) { | |
14167 | hrq->RQ_no_buf_found++; | |
14168 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
14169 | goto out; | |
14170 | } | |
14171 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
14172 | hrq->RQ_rcv_buf++; | |
547077a4 | 14173 | hrq->RQ_buf_posted--; |
2d7dbc4c JS |
14174 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
14175 | ||
14176 | /* Just some basic sanity checks on FCP Command frame */ | |
14177 | fctl = (fc_hdr->fh_f_ctl[0] << 16 | | |
3a8070c5 JS |
14178 | fc_hdr->fh_f_ctl[1] << 8 | |
14179 | fc_hdr->fh_f_ctl[2]); | |
2d7dbc4c JS |
14180 | if (((fctl & |
14181 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) != | |
14182 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) || | |
14183 | (fc_hdr->fh_seq_cnt != 0)) /* 0 byte swapped is still 0 */ | |
14184 | goto drop; | |
14185 | ||
14186 | if (fc_hdr->fh_type == FC_TYPE_FCP) { | |
d74a89aa | 14187 | dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe); |
d613b6a7 | 14188 | lpfc_nvmet_unsol_fcp_event( |
d74a89aa JS |
14189 | phba, idx, dma_buf, cq->isr_timestamp, |
14190 | cq->q_flag & HBA_NVMET_CQ_NOTIFY); | |
2d7dbc4c JS |
14191 | return false; |
14192 | } | |
14193 | drop: | |
22b738ac | 14194 | lpfc_rq_buf_free(phba, &dma_buf->hbuf); |
2d7dbc4c | 14195 | break; |
2d7dbc4c | 14196 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
14197 | if (phba->nvmet_support) { |
14198 | tgtp = phba->targetport->private; | |
372c187b | 14199 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
547077a4 JS |
14200 | "6401 RQE Error x%x, posted %d err_cnt " |
14201 | "%d: %x %x %x\n", | |
14202 | status, hrq->RQ_buf_posted, | |
14203 | hrq->RQ_no_posted_buf, | |
14204 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
14205 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
14206 | atomic_read(&tgtp->xmt_fcp_release)); | |
14207 | } | |
14208 | /* fallthrough */ | |
14209 | ||
14210 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
2d7dbc4c JS |
14211 | hrq->RQ_no_posted_buf++; |
14212 | /* Post more buffers if possible */ | |
2d7dbc4c JS |
14213 | break; |
14214 | } | |
14215 | out: | |
14216 | return workposted; | |
14217 | } | |
14218 | ||
4f774513 | 14219 | /** |
895427bd | 14220 | * lpfc_sli4_fp_handle_cqe - Process fast-path work queue completion entry |
32517fc0 | 14221 | * @phba: adapter with cq |
4f774513 | 14222 | * @cq: Pointer to the completion queue. |
7af29d45 | 14223 | * @cqe: Pointer to fast-path completion queue entry. |
4f774513 JS |
14224 | * |
14225 | * This routine process a fast-path work queue completion entry from fast-path | |
14226 | * event queue for FCP command response completion. | |
32517fc0 JS |
14227 | * |
14228 | * Return: true if work posted to worker thread, otherwise false. | |
4f774513 | 14229 | **/ |
32517fc0 | 14230 | static bool |
895427bd | 14231 | lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
14232 | struct lpfc_cqe *cqe) |
14233 | { | |
14234 | struct lpfc_wcqe_release wcqe; | |
14235 | bool workposted = false; | |
14236 | ||
14237 | /* Copy the work queue CQE and convert endian order if needed */ | |
48f8fdb4 | 14238 | lpfc_sli4_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe)); |
4f774513 JS |
14239 | |
14240 | /* Check and process for different type of WCQE and dispatch */ | |
14241 | switch (bf_get(lpfc_wcqe_c_code, &wcqe)) { | |
14242 | case CQE_CODE_COMPL_WQE: | |
895427bd | 14243 | case CQE_CODE_NVME_ERSP: |
b84daac9 | 14244 | cq->CQ_wq++; |
4f774513 | 14245 | /* Process the WQ complete event */ |
98fc5dd9 | 14246 | phba->last_completion_time = jiffies; |
c00f62e6 | 14247 | if (cq->subtype == LPFC_IO || cq->subtype == LPFC_NVME_LS) |
895427bd | 14248 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, |
4f774513 JS |
14249 | (struct lpfc_wcqe_complete *)&wcqe); |
14250 | break; | |
14251 | case CQE_CODE_RELEASE_WQE: | |
b84daac9 | 14252 | cq->CQ_release_wqe++; |
4f774513 JS |
14253 | /* Process the WQ release event */ |
14254 | lpfc_sli4_fp_handle_rel_wcqe(phba, cq, | |
14255 | (struct lpfc_wcqe_release *)&wcqe); | |
14256 | break; | |
14257 | case CQE_CODE_XRI_ABORTED: | |
b84daac9 | 14258 | cq->CQ_xri_aborted++; |
4f774513 | 14259 | /* Process the WQ XRI abort event */ |
bc73905a | 14260 | phba->last_completion_time = jiffies; |
4f774513 JS |
14261 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
14262 | (struct sli4_wcqe_xri_aborted *)&wcqe); | |
14263 | break; | |
895427bd JS |
14264 | case CQE_CODE_RECEIVE_V1: |
14265 | case CQE_CODE_RECEIVE: | |
14266 | phba->last_completion_time = jiffies; | |
2d7dbc4c JS |
14267 | if (cq->subtype == LPFC_NVMET) { |
14268 | workposted = lpfc_sli4_nvmet_handle_rcqe( | |
14269 | phba, cq, (struct lpfc_rcqe *)&wcqe); | |
14270 | } | |
895427bd | 14271 | break; |
4f774513 | 14272 | default: |
372c187b | 14273 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
895427bd | 14274 | "0144 Not a valid CQE code: x%x\n", |
4f774513 JS |
14275 | bf_get(lpfc_wcqe_c_code, &wcqe)); |
14276 | break; | |
14277 | } | |
14278 | return workposted; | |
14279 | } | |
14280 | ||
317aeb83 DK |
14281 | /** |
14282 | * lpfc_sli4_sched_cq_work - Schedules cq work | |
14283 | * @phba: Pointer to HBA context object. | |
14284 | * @cq: Pointer to CQ | |
14285 | * @cqid: CQ ID | |
14286 | * | |
14287 | * This routine checks the poll mode of the CQ corresponding to | |
14288 | * cq->chann, then either schedules a softirq or queue_work to complete | |
14289 | * cq work. | |
14290 | * | |
14291 | * queue_work path is taken if in NVMET mode, or if poll_mode is in | |
14292 | * LPFC_QUEUE_WORK mode. Otherwise, softirq path is taken. | |
14293 | * | |
14294 | **/ | |
14295 | static void lpfc_sli4_sched_cq_work(struct lpfc_hba *phba, | |
14296 | struct lpfc_queue *cq, uint16_t cqid) | |
14297 | { | |
14298 | int ret = 0; | |
14299 | ||
14300 | switch (cq->poll_mode) { | |
14301 | case LPFC_IRQ_POLL: | |
14302 | irq_poll_sched(&cq->iop); | |
14303 | break; | |
14304 | case LPFC_QUEUE_WORK: | |
14305 | default: | |
14306 | if (is_kdump_kernel()) | |
14307 | ret = queue_work(phba->wq, &cq->irqwork); | |
14308 | else | |
14309 | ret = queue_work_on(cq->chann, phba->wq, &cq->irqwork); | |
14310 | if (!ret) | |
372c187b | 14311 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
317aeb83 DK |
14312 | "0383 Cannot schedule queue work " |
14313 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
14314 | cqid, cq->queue_id, | |
14315 | raw_smp_processor_id()); | |
14316 | } | |
14317 | } | |
14318 | ||
4f774513 | 14319 | /** |
67d12733 | 14320 | * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry |
4f774513 | 14321 | * @phba: Pointer to HBA context object. |
7af29d45 | 14322 | * @eq: Pointer to the queue structure. |
4f774513 JS |
14323 | * @eqe: Pointer to fast-path event queue entry. |
14324 | * | |
14325 | * This routine process a event queue entry from the fast-path event queue. | |
14326 | * It will check the MajorCode and MinorCode to determine this is for a | |
14327 | * completion event on a completion queue, if not, an error shall be logged | |
14328 | * and just return. Otherwise, it will get to the corresponding completion | |
14329 | * queue and process all the entries on the completion queue, rearm the | |
14330 | * completion queue, and then return. | |
14331 | **/ | |
f485c18d | 14332 | static void |
32517fc0 JS |
14333 | lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_queue *eq, |
14334 | struct lpfc_eqe *eqe) | |
4f774513 | 14335 | { |
895427bd | 14336 | struct lpfc_queue *cq = NULL; |
32517fc0 | 14337 | uint32_t qidx = eq->hdwq; |
2d7dbc4c | 14338 | uint16_t cqid, id; |
4f774513 | 14339 | |
cb5172ea | 14340 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { |
372c187b | 14341 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
67d12733 | 14342 | "0366 Not a valid completion " |
4f774513 | 14343 | "event: majorcode=x%x, minorcode=x%x\n", |
cb5172ea JS |
14344 | bf_get_le32(lpfc_eqe_major_code, eqe), |
14345 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
f485c18d | 14346 | return; |
4f774513 JS |
14347 | } |
14348 | ||
67d12733 JS |
14349 | /* Get the reference to the corresponding CQ */ |
14350 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
14351 | ||
6a828b0f JS |
14352 | /* Use the fast lookup method first */ |
14353 | if (cqid <= phba->sli4_hba.cq_max) { | |
14354 | cq = phba->sli4_hba.cq_lookup[cqid]; | |
14355 | if (cq) | |
14356 | goto work_cq; | |
cdb42bec JS |
14357 | } |
14358 | ||
14359 | /* Next check for NVMET completion */ | |
2d7dbc4c JS |
14360 | if (phba->cfg_nvmet_mrq && phba->sli4_hba.nvmet_cqset) { |
14361 | id = phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
14362 | if ((cqid >= id) && (cqid < (id + phba->cfg_nvmet_mrq))) { | |
14363 | /* Process NVMET unsol rcv */ | |
14364 | cq = phba->sli4_hba.nvmet_cqset[cqid - id]; | |
14365 | goto process_cq; | |
14366 | } | |
67d12733 JS |
14367 | } |
14368 | ||
895427bd JS |
14369 | if (phba->sli4_hba.nvmels_cq && |
14370 | (cqid == phba->sli4_hba.nvmels_cq->queue_id)) { | |
14371 | /* Process NVME unsol rcv */ | |
14372 | cq = phba->sli4_hba.nvmels_cq; | |
14373 | } | |
14374 | ||
14375 | /* Otherwise this is a Slow path event */ | |
14376 | if (cq == NULL) { | |
cdb42bec JS |
14377 | lpfc_sli4_sp_handle_eqe(phba, eqe, |
14378 | phba->sli4_hba.hdwq[qidx].hba_eq); | |
f485c18d | 14379 | return; |
4f774513 JS |
14380 | } |
14381 | ||
895427bd | 14382 | process_cq: |
4f774513 | 14383 | if (unlikely(cqid != cq->queue_id)) { |
372c187b | 14384 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
14385 | "0368 Miss-matched fast-path completion " |
14386 | "queue identifier: eqcqid=%d, fcpcqid=%d\n", | |
14387 | cqid, cq->queue_id); | |
f485c18d | 14388 | return; |
4f774513 JS |
14389 | } |
14390 | ||
6a828b0f | 14391 | work_cq: |
d74a89aa JS |
14392 | #if defined(CONFIG_SCSI_LPFC_DEBUG_FS) |
14393 | if (phba->ktime_on) | |
14394 | cq->isr_timestamp = ktime_get_ns(); | |
14395 | else | |
14396 | cq->isr_timestamp = 0; | |
14397 | #endif | |
317aeb83 | 14398 | lpfc_sli4_sched_cq_work(phba, cq, cqid); |
f485c18d DK |
14399 | } |
14400 | ||
14401 | /** | |
32517fc0 JS |
14402 | * __lpfc_sli4_hba_process_cq - Process a fast-path event queue entry |
14403 | * @cq: Pointer to CQ to be processed | |
317aeb83 | 14404 | * @poll_mode: Enum lpfc_poll_state to determine poll mode |
f485c18d | 14405 | * |
32517fc0 JS |
14406 | * This routine calls the cq processing routine with the handler for |
14407 | * fast path CQEs. | |
14408 | * | |
14409 | * The CQ routine returns two values: the first is the calling status, | |
14410 | * which indicates whether work was queued to the background discovery | |
14411 | * thread. If true, the routine should wakeup the discovery thread; | |
14412 | * the second is the delay parameter. If non-zero, rather than rearming | |
14413 | * the CQ and yet another interrupt, the CQ handler should be queued so | |
14414 | * that it is processed in a subsequent polling action. The value of | |
14415 | * the delay indicates when to reschedule it. | |
f485c18d DK |
14416 | **/ |
14417 | static void | |
317aeb83 DK |
14418 | __lpfc_sli4_hba_process_cq(struct lpfc_queue *cq, |
14419 | enum lpfc_poll_mode poll_mode) | |
f485c18d | 14420 | { |
f485c18d | 14421 | struct lpfc_hba *phba = cq->phba; |
32517fc0 | 14422 | unsigned long delay; |
f485c18d | 14423 | bool workposted = false; |
86ee57a9 | 14424 | int ret = 0; |
f485c18d | 14425 | |
32517fc0 JS |
14426 | /* process and rearm the CQ */ |
14427 | workposted |= __lpfc_sli4_process_cq(phba, cq, lpfc_sli4_fp_handle_cqe, | |
317aeb83 | 14428 | &delay, poll_mode); |
4f774513 | 14429 | |
32517fc0 | 14430 | if (delay) { |
86ee57a9 DK |
14431 | if (is_kdump_kernel()) |
14432 | ret = queue_delayed_work(phba->wq, &cq->sched_irqwork, | |
14433 | delay); | |
14434 | else | |
14435 | ret = queue_delayed_work_on(cq->chann, phba->wq, | |
14436 | &cq->sched_irqwork, delay); | |
14437 | if (!ret) | |
372c187b | 14438 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
317aeb83 DK |
14439 | "0367 Cannot schedule queue work " |
14440 | "for cqid=%d on CPU %d\n", | |
14441 | cq->queue_id, cq->chann); | |
32517fc0 | 14442 | } |
4f774513 JS |
14443 | |
14444 | /* wake up worker thread if there are works to be done */ | |
14445 | if (workposted) | |
14446 | lpfc_worker_wake_up(phba); | |
14447 | } | |
14448 | ||
1ba981fd | 14449 | /** |
32517fc0 JS |
14450 | * lpfc_sli4_hba_process_cq - fast-path work handler when started by |
14451 | * interrupt | |
14452 | * @work: pointer to work element | |
1ba981fd | 14453 | * |
32517fc0 | 14454 | * translates from the work handler and calls the fast-path handler. |
1ba981fd JS |
14455 | **/ |
14456 | static void | |
32517fc0 | 14457 | lpfc_sli4_hba_process_cq(struct work_struct *work) |
1ba981fd | 14458 | { |
32517fc0 | 14459 | struct lpfc_queue *cq = container_of(work, struct lpfc_queue, irqwork); |
1ba981fd | 14460 | |
317aeb83 | 14461 | __lpfc_sli4_hba_process_cq(cq, LPFC_QUEUE_WORK); |
1ba981fd JS |
14462 | } |
14463 | ||
14464 | /** | |
32517fc0 JS |
14465 | * lpfc_sli4_hba_process_cq - fast-path work handler when started by timer |
14466 | * @work: pointer to work element | |
1ba981fd | 14467 | * |
32517fc0 | 14468 | * translates from the work handler and calls the fast-path handler. |
1ba981fd | 14469 | **/ |
32517fc0 JS |
14470 | static void |
14471 | lpfc_sli4_dly_hba_process_cq(struct work_struct *work) | |
1ba981fd | 14472 | { |
32517fc0 JS |
14473 | struct lpfc_queue *cq = container_of(to_delayed_work(work), |
14474 | struct lpfc_queue, sched_irqwork); | |
1ba981fd | 14475 | |
317aeb83 | 14476 | __lpfc_sli4_hba_process_cq(cq, LPFC_QUEUE_WORK); |
1ba981fd JS |
14477 | } |
14478 | ||
4f774513 | 14479 | /** |
67d12733 | 14480 | * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device |
4f774513 JS |
14481 | * @irq: Interrupt number. |
14482 | * @dev_id: The device context pointer. | |
14483 | * | |
14484 | * This function is directly called from the PCI layer as an interrupt | |
14485 | * service routine when device with SLI-4 interface spec is enabled with | |
14486 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
14487 | * ring event in the HBA. However, when the device is enabled with either | |
14488 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
14489 | * device-level interrupt handler. When the PCI slot is in error recovery | |
14490 | * or the HBA is undergoing initialization, the interrupt handler will not | |
14491 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
14492 | * the intrrupt context. This function is called without any lock held. | |
14493 | * It gets the hbalock to access and update SLI data structures. Note that, | |
14494 | * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is | |
14495 | * equal to that of FCP CQ index. | |
14496 | * | |
67d12733 JS |
14497 | * The link attention and ELS ring attention events are handled |
14498 | * by the worker thread. The interrupt handler signals the worker thread | |
14499 | * and returns for these events. This function is called without any lock | |
14500 | * held. It gets the hbalock to access and update SLI data structures. | |
14501 | * | |
4f774513 JS |
14502 | * This function returns IRQ_HANDLED when interrupt is handled else it |
14503 | * returns IRQ_NONE. | |
14504 | **/ | |
14505 | irqreturn_t | |
67d12733 | 14506 | lpfc_sli4_hba_intr_handler(int irq, void *dev_id) |
4f774513 JS |
14507 | { |
14508 | struct lpfc_hba *phba; | |
895427bd | 14509 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
4f774513 | 14510 | struct lpfc_queue *fpeq; |
4f774513 JS |
14511 | unsigned long iflag; |
14512 | int ecount = 0; | |
895427bd | 14513 | int hba_eqidx; |
32517fc0 | 14514 | struct lpfc_eq_intr_info *eqi; |
4f774513 JS |
14515 | |
14516 | /* Get the driver's phba structure from the dev_id */ | |
895427bd JS |
14517 | hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id; |
14518 | phba = hba_eq_hdl->phba; | |
14519 | hba_eqidx = hba_eq_hdl->idx; | |
4f774513 JS |
14520 | |
14521 | if (unlikely(!phba)) | |
14522 | return IRQ_NONE; | |
cdb42bec | 14523 | if (unlikely(!phba->sli4_hba.hdwq)) |
5350d872 | 14524 | return IRQ_NONE; |
4f774513 JS |
14525 | |
14526 | /* Get to the EQ struct associated with this vector */ | |
657add4e | 14527 | fpeq = phba->sli4_hba.hba_eq_hdl[hba_eqidx].eq; |
2e90f4b5 JS |
14528 | if (unlikely(!fpeq)) |
14529 | return IRQ_NONE; | |
4f774513 JS |
14530 | |
14531 | /* Check device state for handling interrupt */ | |
14532 | if (unlikely(lpfc_intr_state_check(phba))) { | |
14533 | /* Check again for link_state with lock held */ | |
14534 | spin_lock_irqsave(&phba->hbalock, iflag); | |
14535 | if (phba->link_state < LPFC_LINK_DOWN) | |
14536 | /* Flush, clear interrupt, and rearm the EQ */ | |
24c7c0a6 | 14537 | lpfc_sli4_eqcq_flush(phba, fpeq); |
4f774513 JS |
14538 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
14539 | return IRQ_NONE; | |
14540 | } | |
14541 | ||
a7fc071a DK |
14542 | eqi = this_cpu_ptr(phba->sli4_hba.eq_info); |
14543 | eqi->icnt++; | |
14544 | ||
d6d189ce | 14545 | fpeq->last_cpu = raw_smp_processor_id(); |
4f774513 | 14546 | |
a7fc071a | 14547 | if (eqi->icnt > LPFC_EQD_ISR_TRIGGER && |
8156d378 | 14548 | fpeq->q_flag & HBA_EQ_DELAY_CHK && |
32517fc0 JS |
14549 | phba->cfg_auto_imax && |
14550 | fpeq->q_mode != LPFC_MAX_AUTO_EQ_DELAY && | |
14551 | phba->sli.sli_flag & LPFC_SLI_USE_EQDR) | |
14552 | lpfc_sli4_mod_hba_eq_delay(phba, fpeq, LPFC_MAX_AUTO_EQ_DELAY); | |
b84daac9 | 14553 | |
32517fc0 | 14554 | /* process and rearm the EQ */ |
93a4d6f4 | 14555 | ecount = lpfc_sli4_process_eq(phba, fpeq, LPFC_QUEUE_REARM); |
4f774513 JS |
14556 | |
14557 | if (unlikely(ecount == 0)) { | |
b84daac9 | 14558 | fpeq->EQ_no_entry++; |
4f774513 JS |
14559 | if (phba->intr_type == MSIX) |
14560 | /* MSI-X treated interrupt served as no EQ share INT */ | |
14561 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
14562 | "0358 MSI-X interrupt with no EQE\n"); | |
14563 | else | |
14564 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
14565 | return IRQ_NONE; | |
14566 | } | |
14567 | ||
14568 | return IRQ_HANDLED; | |
14569 | } /* lpfc_sli4_fp_intr_handler */ | |
14570 | ||
14571 | /** | |
14572 | * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device | |
14573 | * @irq: Interrupt number. | |
14574 | * @dev_id: The device context pointer. | |
14575 | * | |
14576 | * This function is the device-level interrupt handler to device with SLI-4 | |
14577 | * interface spec, called from the PCI layer when either MSI or Pin-IRQ | |
14578 | * interrupt mode is enabled and there is an event in the HBA which requires | |
14579 | * driver attention. This function invokes the slow-path interrupt attention | |
14580 | * handling function and fast-path interrupt attention handling function in | |
14581 | * turn to process the relevant HBA attention events. This function is called | |
14582 | * without any lock held. It gets the hbalock to access and update SLI data | |
14583 | * structures. | |
14584 | * | |
14585 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
14586 | * returns IRQ_NONE. | |
14587 | **/ | |
14588 | irqreturn_t | |
14589 | lpfc_sli4_intr_handler(int irq, void *dev_id) | |
14590 | { | |
14591 | struct lpfc_hba *phba; | |
67d12733 JS |
14592 | irqreturn_t hba_irq_rc; |
14593 | bool hba_handled = false; | |
895427bd | 14594 | int qidx; |
4f774513 JS |
14595 | |
14596 | /* Get the driver's phba structure from the dev_id */ | |
14597 | phba = (struct lpfc_hba *)dev_id; | |
14598 | ||
14599 | if (unlikely(!phba)) | |
14600 | return IRQ_NONE; | |
14601 | ||
4f774513 JS |
14602 | /* |
14603 | * Invoke fast-path host attention interrupt handling as appropriate. | |
14604 | */ | |
6a828b0f | 14605 | for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) { |
67d12733 | 14606 | hba_irq_rc = lpfc_sli4_hba_intr_handler(irq, |
895427bd | 14607 | &phba->sli4_hba.hba_eq_hdl[qidx]); |
67d12733 JS |
14608 | if (hba_irq_rc == IRQ_HANDLED) |
14609 | hba_handled |= true; | |
4f774513 JS |
14610 | } |
14611 | ||
67d12733 | 14612 | return (hba_handled == true) ? IRQ_HANDLED : IRQ_NONE; |
4f774513 JS |
14613 | } /* lpfc_sli4_intr_handler */ |
14614 | ||
93a4d6f4 JS |
14615 | void lpfc_sli4_poll_hbtimer(struct timer_list *t) |
14616 | { | |
14617 | struct lpfc_hba *phba = from_timer(phba, t, cpuhp_poll_timer); | |
14618 | struct lpfc_queue *eq; | |
14619 | int i = 0; | |
14620 | ||
14621 | rcu_read_lock(); | |
14622 | ||
14623 | list_for_each_entry_rcu(eq, &phba->poll_list, _poll_list) | |
14624 | i += lpfc_sli4_poll_eq(eq, LPFC_POLL_SLOWPATH); | |
14625 | if (!list_empty(&phba->poll_list)) | |
14626 | mod_timer(&phba->cpuhp_poll_timer, | |
14627 | jiffies + msecs_to_jiffies(LPFC_POLL_HB)); | |
14628 | ||
14629 | rcu_read_unlock(); | |
14630 | } | |
14631 | ||
14632 | inline int lpfc_sli4_poll_eq(struct lpfc_queue *eq, uint8_t path) | |
14633 | { | |
14634 | struct lpfc_hba *phba = eq->phba; | |
14635 | int i = 0; | |
14636 | ||
14637 | /* | |
14638 | * Unlocking an irq is one of the entry point to check | |
14639 | * for re-schedule, but we are good for io submission | |
14640 | * path as midlayer does a get_cpu to glue us in. Flush | |
14641 | * out the invalidate queue so we can see the updated | |
14642 | * value for flag. | |
14643 | */ | |
14644 | smp_rmb(); | |
14645 | ||
14646 | if (READ_ONCE(eq->mode) == LPFC_EQ_POLL) | |
14647 | /* We will not likely get the completion for the caller | |
14648 | * during this iteration but i guess that's fine. | |
14649 | * Future io's coming on this eq should be able to | |
14650 | * pick it up. As for the case of single io's, they | |
14651 | * will be handled through a sched from polling timer | |
14652 | * function which is currently triggered every 1msec. | |
14653 | */ | |
14654 | i = lpfc_sli4_process_eq(phba, eq, LPFC_QUEUE_NOARM); | |
14655 | ||
14656 | return i; | |
14657 | } | |
14658 | ||
14659 | static inline void lpfc_sli4_add_to_poll_list(struct lpfc_queue *eq) | |
14660 | { | |
14661 | struct lpfc_hba *phba = eq->phba; | |
14662 | ||
f861f596 JS |
14663 | /* kickstart slowpath processing if needed */ |
14664 | if (list_empty(&phba->poll_list)) | |
93a4d6f4 JS |
14665 | mod_timer(&phba->cpuhp_poll_timer, |
14666 | jiffies + msecs_to_jiffies(LPFC_POLL_HB)); | |
93a4d6f4 JS |
14667 | |
14668 | list_add_rcu(&eq->_poll_list, &phba->poll_list); | |
14669 | synchronize_rcu(); | |
14670 | } | |
14671 | ||
14672 | static inline void lpfc_sli4_remove_from_poll_list(struct lpfc_queue *eq) | |
14673 | { | |
14674 | struct lpfc_hba *phba = eq->phba; | |
14675 | ||
14676 | /* Disable slowpath processing for this eq. Kick start the eq | |
14677 | * by RE-ARMING the eq's ASAP | |
14678 | */ | |
14679 | list_del_rcu(&eq->_poll_list); | |
14680 | synchronize_rcu(); | |
14681 | ||
14682 | if (list_empty(&phba->poll_list)) | |
14683 | del_timer_sync(&phba->cpuhp_poll_timer); | |
14684 | } | |
14685 | ||
d480e578 | 14686 | void lpfc_sli4_cleanup_poll_list(struct lpfc_hba *phba) |
93a4d6f4 JS |
14687 | { |
14688 | struct lpfc_queue *eq, *next; | |
14689 | ||
14690 | list_for_each_entry_safe(eq, next, &phba->poll_list, _poll_list) | |
14691 | list_del(&eq->_poll_list); | |
14692 | ||
14693 | INIT_LIST_HEAD(&phba->poll_list); | |
14694 | synchronize_rcu(); | |
14695 | } | |
14696 | ||
14697 | static inline void | |
14698 | __lpfc_sli4_switch_eqmode(struct lpfc_queue *eq, uint8_t mode) | |
14699 | { | |
14700 | if (mode == eq->mode) | |
14701 | return; | |
14702 | /* | |
14703 | * currently this function is only called during a hotplug | |
14704 | * event and the cpu on which this function is executing | |
14705 | * is going offline. By now the hotplug has instructed | |
14706 | * the scheduler to remove this cpu from cpu active mask. | |
14707 | * So we don't need to work about being put aside by the | |
14708 | * scheduler for a high priority process. Yes, the inte- | |
14709 | * rrupts could come but they are known to retire ASAP. | |
14710 | */ | |
14711 | ||
14712 | /* Disable polling in the fastpath */ | |
14713 | WRITE_ONCE(eq->mode, mode); | |
14714 | /* flush out the store buffer */ | |
14715 | smp_wmb(); | |
14716 | ||
14717 | /* | |
14718 | * Add this eq to the polling list and start polling. For | |
14719 | * a grace period both interrupt handler and poller will | |
14720 | * try to process the eq _but_ that's fine. We have a | |
14721 | * synchronization mechanism in place (queue_claimed) to | |
14722 | * deal with it. This is just a draining phase for int- | |
14723 | * errupt handler (not eq's) as we have guranteed through | |
14724 | * barrier that all the CPUs have seen the new CQ_POLLED | |
14725 | * state. which will effectively disable the REARMING of | |
14726 | * the EQ. The whole idea is eq's die off eventually as | |
14727 | * we are not rearming EQ's anymore. | |
14728 | */ | |
14729 | mode ? lpfc_sli4_add_to_poll_list(eq) : | |
14730 | lpfc_sli4_remove_from_poll_list(eq); | |
14731 | } | |
14732 | ||
14733 | void lpfc_sli4_start_polling(struct lpfc_queue *eq) | |
14734 | { | |
14735 | __lpfc_sli4_switch_eqmode(eq, LPFC_EQ_POLL); | |
14736 | } | |
14737 | ||
14738 | void lpfc_sli4_stop_polling(struct lpfc_queue *eq) | |
14739 | { | |
14740 | struct lpfc_hba *phba = eq->phba; | |
14741 | ||
14742 | __lpfc_sli4_switch_eqmode(eq, LPFC_EQ_INTERRUPT); | |
14743 | ||
14744 | /* Kick start for the pending io's in h/w. | |
14745 | * Once we switch back to interrupt processing on a eq | |
14746 | * the io path completion will only arm eq's when it | |
14747 | * receives a completion. But since eq's are in disa- | |
14748 | * rmed state it doesn't receive a completion. This | |
14749 | * creates a deadlock scenaro. | |
14750 | */ | |
14751 | phba->sli4_hba.sli4_write_eq_db(phba, eq, 0, LPFC_QUEUE_REARM); | |
14752 | } | |
14753 | ||
4f774513 JS |
14754 | /** |
14755 | * lpfc_sli4_queue_free - free a queue structure and associated memory | |
14756 | * @queue: The queue structure to free. | |
14757 | * | |
b595076a | 14758 | * This function frees a queue structure and the DMAable memory used for |
4f774513 JS |
14759 | * the host resident queue. This function must be called after destroying the |
14760 | * queue on the HBA. | |
14761 | **/ | |
14762 | void | |
14763 | lpfc_sli4_queue_free(struct lpfc_queue *queue) | |
14764 | { | |
14765 | struct lpfc_dmabuf *dmabuf; | |
14766 | ||
14767 | if (!queue) | |
14768 | return; | |
14769 | ||
4645f7b5 JS |
14770 | if (!list_empty(&queue->wq_list)) |
14771 | list_del(&queue->wq_list); | |
14772 | ||
4f774513 JS |
14773 | while (!list_empty(&queue->page_list)) { |
14774 | list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf, | |
14775 | list); | |
81b96eda | 14776 | dma_free_coherent(&queue->phba->pcidev->dev, queue->page_size, |
4f774513 JS |
14777 | dmabuf->virt, dmabuf->phys); |
14778 | kfree(dmabuf); | |
14779 | } | |
895427bd JS |
14780 | if (queue->rqbp) { |
14781 | lpfc_free_rq_buffer(queue->phba, queue); | |
14782 | kfree(queue->rqbp); | |
14783 | } | |
d1f525aa | 14784 | |
32517fc0 JS |
14785 | if (!list_empty(&queue->cpu_list)) |
14786 | list_del(&queue->cpu_list); | |
14787 | ||
4f774513 JS |
14788 | kfree(queue); |
14789 | return; | |
14790 | } | |
14791 | ||
14792 | /** | |
14793 | * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure | |
14794 | * @phba: The HBA that this queue is being created on. | |
81b96eda | 14795 | * @page_size: The size of a queue page |
4f774513 | 14796 | * @entry_size: The size of each queue entry for this queue. |
7af29d45 | 14797 | * @entry_count: The number of entries that this queue will handle. |
c1a21ebc | 14798 | * @cpu: The cpu that will primarily utilize this queue. |
4f774513 JS |
14799 | * |
14800 | * This function allocates a queue structure and the DMAable memory used for | |
14801 | * the host resident queue. This function must be called before creating the | |
14802 | * queue on the HBA. | |
14803 | **/ | |
14804 | struct lpfc_queue * | |
81b96eda | 14805 | lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t page_size, |
c1a21ebc | 14806 | uint32_t entry_size, uint32_t entry_count, int cpu) |
4f774513 JS |
14807 | { |
14808 | struct lpfc_queue *queue; | |
14809 | struct lpfc_dmabuf *dmabuf; | |
cb5172ea | 14810 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
9afbee3d | 14811 | uint16_t x, pgcnt; |
4f774513 | 14812 | |
cb5172ea | 14813 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 14814 | hw_page_size = page_size; |
cb5172ea | 14815 | |
9afbee3d JS |
14816 | pgcnt = ALIGN(entry_size * entry_count, hw_page_size) / hw_page_size; |
14817 | ||
14818 | /* If needed, Adjust page count to match the max the adapter supports */ | |
14819 | if (pgcnt > phba->sli4_hba.pc_sli4_params.wqpcnt) | |
14820 | pgcnt = phba->sli4_hba.pc_sli4_params.wqpcnt; | |
14821 | ||
c1a21ebc JS |
14822 | queue = kzalloc_node(sizeof(*queue) + (sizeof(void *) * pgcnt), |
14823 | GFP_KERNEL, cpu_to_node(cpu)); | |
4f774513 JS |
14824 | if (!queue) |
14825 | return NULL; | |
895427bd | 14826 | |
4f774513 | 14827 | INIT_LIST_HEAD(&queue->list); |
93a4d6f4 | 14828 | INIT_LIST_HEAD(&queue->_poll_list); |
895427bd | 14829 | INIT_LIST_HEAD(&queue->wq_list); |
6e8e1c14 | 14830 | INIT_LIST_HEAD(&queue->wqfull_list); |
4f774513 JS |
14831 | INIT_LIST_HEAD(&queue->page_list); |
14832 | INIT_LIST_HEAD(&queue->child_list); | |
32517fc0 | 14833 | INIT_LIST_HEAD(&queue->cpu_list); |
81b96eda JS |
14834 | |
14835 | /* Set queue parameters now. If the system cannot provide memory | |
14836 | * resources, the free routine needs to know what was allocated. | |
14837 | */ | |
9afbee3d JS |
14838 | queue->page_count = pgcnt; |
14839 | queue->q_pgs = (void **)&queue[1]; | |
14840 | queue->entry_cnt_per_pg = hw_page_size / entry_size; | |
81b96eda JS |
14841 | queue->entry_size = entry_size; |
14842 | queue->entry_count = entry_count; | |
14843 | queue->page_size = hw_page_size; | |
14844 | queue->phba = phba; | |
14845 | ||
9afbee3d | 14846 | for (x = 0; x < queue->page_count; x++) { |
c1a21ebc JS |
14847 | dmabuf = kzalloc_node(sizeof(*dmabuf), GFP_KERNEL, |
14848 | dev_to_node(&phba->pcidev->dev)); | |
4f774513 JS |
14849 | if (!dmabuf) |
14850 | goto out_fail; | |
750afb08 LC |
14851 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, |
14852 | hw_page_size, &dmabuf->phys, | |
14853 | GFP_KERNEL); | |
4f774513 JS |
14854 | if (!dmabuf->virt) { |
14855 | kfree(dmabuf); | |
14856 | goto out_fail; | |
14857 | } | |
14858 | dmabuf->buffer_tag = x; | |
14859 | list_add_tail(&dmabuf->list, &queue->page_list); | |
9afbee3d JS |
14860 | /* use lpfc_sli4_qe to index a paritcular entry in this page */ |
14861 | queue->q_pgs[x] = dmabuf->virt; | |
4f774513 | 14862 | } |
f485c18d DK |
14863 | INIT_WORK(&queue->irqwork, lpfc_sli4_hba_process_cq); |
14864 | INIT_WORK(&queue->spwork, lpfc_sli4_sp_process_cq); | |
32517fc0 JS |
14865 | INIT_DELAYED_WORK(&queue->sched_irqwork, lpfc_sli4_dly_hba_process_cq); |
14866 | INIT_DELAYED_WORK(&queue->sched_spwork, lpfc_sli4_dly_sp_process_cq); | |
4f774513 | 14867 | |
32517fc0 | 14868 | /* notify_interval will be set during q creation */ |
64eb4dcb | 14869 | |
4f774513 JS |
14870 | return queue; |
14871 | out_fail: | |
14872 | lpfc_sli4_queue_free(queue); | |
14873 | return NULL; | |
14874 | } | |
14875 | ||
962bc51b JS |
14876 | /** |
14877 | * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory | |
14878 | * @phba: HBA structure that indicates port to create a queue on. | |
14879 | * @pci_barset: PCI BAR set flag. | |
14880 | * | |
14881 | * This function shall perform iomap of the specified PCI BAR address to host | |
14882 | * memory address if not already done so and return it. The returned host | |
14883 | * memory address can be NULL. | |
14884 | */ | |
14885 | static void __iomem * | |
14886 | lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset) | |
14887 | { | |
962bc51b JS |
14888 | if (!phba->pcidev) |
14889 | return NULL; | |
962bc51b JS |
14890 | |
14891 | switch (pci_barset) { | |
14892 | case WQ_PCI_BAR_0_AND_1: | |
962bc51b JS |
14893 | return phba->pci_bar0_memmap_p; |
14894 | case WQ_PCI_BAR_2_AND_3: | |
962bc51b JS |
14895 | return phba->pci_bar2_memmap_p; |
14896 | case WQ_PCI_BAR_4_AND_5: | |
962bc51b JS |
14897 | return phba->pci_bar4_memmap_p; |
14898 | default: | |
14899 | break; | |
14900 | } | |
14901 | return NULL; | |
14902 | } | |
14903 | ||
173edbb2 | 14904 | /** |
cb733e35 JS |
14905 | * lpfc_modify_hba_eq_delay - Modify Delay Multiplier on EQs |
14906 | * @phba: HBA structure that EQs are on. | |
14907 | * @startq: The starting EQ index to modify | |
14908 | * @numq: The number of EQs (consecutive indexes) to modify | |
14909 | * @usdelay: amount of delay | |
173edbb2 | 14910 | * |
cb733e35 JS |
14911 | * This function revises the EQ delay on 1 or more EQs. The EQ delay |
14912 | * is set either by writing to a register (if supported by the SLI Port) | |
14913 | * or by mailbox command. The mailbox command allows several EQs to be | |
14914 | * updated at once. | |
173edbb2 | 14915 | * |
cb733e35 JS |
14916 | * The @phba struct is used to send a mailbox command to HBA. The @startq |
14917 | * is used to get the starting EQ index to change. The @numq value is | |
14918 | * used to specify how many consecutive EQ indexes, starting at EQ index, | |
14919 | * are to be changed. This function is asynchronous and will wait for any | |
14920 | * mailbox commands to finish before returning. | |
173edbb2 | 14921 | * |
cb733e35 JS |
14922 | * On success this function will return a zero. If unable to allocate |
14923 | * enough memory this function will return -ENOMEM. If a mailbox command | |
14924 | * fails this function will return -ENXIO. Note: on ENXIO, some EQs may | |
14925 | * have had their delay multipler changed. | |
173edbb2 | 14926 | **/ |
cb733e35 | 14927 | void |
0cf07f84 | 14928 | lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq, |
cb733e35 | 14929 | uint32_t numq, uint32_t usdelay) |
173edbb2 JS |
14930 | { |
14931 | struct lpfc_mbx_modify_eq_delay *eq_delay; | |
14932 | LPFC_MBOXQ_t *mbox; | |
14933 | struct lpfc_queue *eq; | |
cb733e35 | 14934 | int cnt = 0, rc, length; |
173edbb2 | 14935 | uint32_t shdr_status, shdr_add_status; |
cb733e35 | 14936 | uint32_t dmult; |
895427bd | 14937 | int qidx; |
173edbb2 | 14938 | union lpfc_sli4_cfg_shdr *shdr; |
173edbb2 | 14939 | |
6a828b0f | 14940 | if (startq >= phba->cfg_irq_chann) |
cb733e35 JS |
14941 | return; |
14942 | ||
14943 | if (usdelay > 0xFFFF) { | |
14944 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP | LOG_NVME, | |
14945 | "6429 usdelay %d too large. Scaled down to " | |
14946 | "0xFFFF.\n", usdelay); | |
14947 | usdelay = 0xFFFF; | |
14948 | } | |
14949 | ||
14950 | /* set values by EQ_DELAY register if supported */ | |
14951 | if (phba->sli.sli_flag & LPFC_SLI_USE_EQDR) { | |
14952 | for (qidx = startq; qidx < phba->cfg_irq_chann; qidx++) { | |
657add4e | 14953 | eq = phba->sli4_hba.hba_eq_hdl[qidx].eq; |
cb733e35 JS |
14954 | if (!eq) |
14955 | continue; | |
14956 | ||
32517fc0 | 14957 | lpfc_sli4_mod_hba_eq_delay(phba, eq, usdelay); |
cb733e35 JS |
14958 | |
14959 | if (++cnt >= numq) | |
14960 | break; | |
14961 | } | |
cb733e35 JS |
14962 | return; |
14963 | } | |
14964 | ||
14965 | /* Otherwise, set values by mailbox cmd */ | |
173edbb2 JS |
14966 | |
14967 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
cb733e35 | 14968 | if (!mbox) { |
372c187b | 14969 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
cb733e35 JS |
14970 | "6428 Failed allocating mailbox cmd buffer." |
14971 | " EQ delay was not set.\n"); | |
14972 | return; | |
14973 | } | |
173edbb2 JS |
14974 | length = (sizeof(struct lpfc_mbx_modify_eq_delay) - |
14975 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14976 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14977 | LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY, | |
14978 | length, LPFC_SLI4_MBX_EMBED); | |
14979 | eq_delay = &mbox->u.mqe.un.eq_delay; | |
14980 | ||
14981 | /* Calculate delay multiper from maximum interrupt per second */ | |
cb733e35 JS |
14982 | dmult = (usdelay * LPFC_DMULT_CONST) / LPFC_SEC_TO_USEC; |
14983 | if (dmult) | |
14984 | dmult--; | |
0cf07f84 JS |
14985 | if (dmult > LPFC_DMULT_MAX) |
14986 | dmult = LPFC_DMULT_MAX; | |
173edbb2 | 14987 | |
6a828b0f | 14988 | for (qidx = startq; qidx < phba->cfg_irq_chann; qidx++) { |
657add4e | 14989 | eq = phba->sli4_hba.hba_eq_hdl[qidx].eq; |
173edbb2 JS |
14990 | if (!eq) |
14991 | continue; | |
cb733e35 | 14992 | eq->q_mode = usdelay; |
173edbb2 JS |
14993 | eq_delay->u.request.eq[cnt].eq_id = eq->queue_id; |
14994 | eq_delay->u.request.eq[cnt].phase = 0; | |
14995 | eq_delay->u.request.eq[cnt].delay_multi = dmult; | |
0cf07f84 | 14996 | |
cb733e35 | 14997 | if (++cnt >= numq) |
173edbb2 JS |
14998 | break; |
14999 | } | |
15000 | eq_delay->u.request.num_eq = cnt; | |
15001 | ||
15002 | mbox->vport = phba->pport; | |
15003 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3e1f0718 JS |
15004 | mbox->ctx_buf = NULL; |
15005 | mbox->ctx_ndlp = NULL; | |
173edbb2 JS |
15006 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15007 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_delay->header.cfg_shdr; | |
15008 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15009 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15010 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 15011 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
173edbb2 JS |
15012 | "2512 MODIFY_EQ_DELAY mailbox failed with " |
15013 | "status x%x add_status x%x, mbx status x%x\n", | |
15014 | shdr_status, shdr_add_status, rc); | |
173edbb2 JS |
15015 | } |
15016 | mempool_free(mbox, phba->mbox_mem_pool); | |
cb733e35 | 15017 | return; |
173edbb2 JS |
15018 | } |
15019 | ||
4f774513 JS |
15020 | /** |
15021 | * lpfc_eq_create - Create an Event Queue on the HBA | |
15022 | * @phba: HBA structure that indicates port to create a queue on. | |
15023 | * @eq: The queue structure to use to create the event queue. | |
15024 | * @imax: The maximum interrupt per second limit. | |
15025 | * | |
15026 | * This function creates an event queue, as detailed in @eq, on a port, | |
15027 | * described by @phba by sending an EQ_CREATE mailbox command to the HBA. | |
15028 | * | |
15029 | * The @phba struct is used to send mailbox command to HBA. The @eq struct | |
15030 | * is used to get the entry count and entry size that are necessary to | |
15031 | * determine the number of pages to allocate and use for this queue. This | |
15032 | * function will send the EQ_CREATE mailbox command to the HBA to setup the | |
15033 | * event queue. This function is asynchronous and will wait for the mailbox | |
15034 | * command to finish before continuing. | |
15035 | * | |
15036 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15037 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15038 | * fails this function will return -ENXIO. | |
4f774513 | 15039 | **/ |
a2fc4aef | 15040 | int |
ee02006b | 15041 | lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) |
4f774513 JS |
15042 | { |
15043 | struct lpfc_mbx_eq_create *eq_create; | |
15044 | LPFC_MBOXQ_t *mbox; | |
15045 | int rc, length, status = 0; | |
15046 | struct lpfc_dmabuf *dmabuf; | |
15047 | uint32_t shdr_status, shdr_add_status; | |
15048 | union lpfc_sli4_cfg_shdr *shdr; | |
15049 | uint16_t dmult; | |
49198b37 JS |
15050 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
15051 | ||
2e90f4b5 JS |
15052 | /* sanity check on queue memory */ |
15053 | if (!eq) | |
15054 | return -ENODEV; | |
49198b37 JS |
15055 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15056 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
15057 | |
15058 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15059 | if (!mbox) | |
15060 | return -ENOMEM; | |
15061 | length = (sizeof(struct lpfc_mbx_eq_create) - | |
15062 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15063 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15064 | LPFC_MBOX_OPCODE_EQ_CREATE, | |
15065 | length, LPFC_SLI4_MBX_EMBED); | |
15066 | eq_create = &mbox->u.mqe.un.eq_create; | |
7365f6fd | 15067 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_create->header.cfg_shdr; |
4f774513 JS |
15068 | bf_set(lpfc_mbx_eq_create_num_pages, &eq_create->u.request, |
15069 | eq->page_count); | |
15070 | bf_set(lpfc_eq_context_size, &eq_create->u.request.context, | |
15071 | LPFC_EQE_SIZE); | |
15072 | bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1); | |
7365f6fd JS |
15073 | |
15074 | /* Use version 2 of CREATE_EQ if eqav is set */ | |
15075 | if (phba->sli4_hba.pc_sli4_params.eqav) { | |
15076 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
15077 | LPFC_Q_CREATE_VERSION_2); | |
15078 | bf_set(lpfc_eq_context_autovalid, &eq_create->u.request.context, | |
15079 | phba->sli4_hba.pc_sli4_params.eqav); | |
15080 | } | |
15081 | ||
2c9c5a00 JS |
15082 | /* don't setup delay multiplier using EQ_CREATE */ |
15083 | dmult = 0; | |
4f774513 JS |
15084 | bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context, |
15085 | dmult); | |
15086 | switch (eq->entry_count) { | |
15087 | default: | |
372c187b | 15088 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
15089 | "0360 Unsupported EQ count. (%d)\n", |
15090 | eq->entry_count); | |
04d210c9 JS |
15091 | if (eq->entry_count < 256) { |
15092 | status = -EINVAL; | |
15093 | goto out; | |
15094 | } | |
5bd5f66c | 15095 | /* fall through - otherwise default to smallest count */ |
4f774513 JS |
15096 | case 256: |
15097 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
15098 | LPFC_EQ_CNT_256); | |
15099 | break; | |
15100 | case 512: | |
15101 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
15102 | LPFC_EQ_CNT_512); | |
15103 | break; | |
15104 | case 1024: | |
15105 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
15106 | LPFC_EQ_CNT_1024); | |
15107 | break; | |
15108 | case 2048: | |
15109 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
15110 | LPFC_EQ_CNT_2048); | |
15111 | break; | |
15112 | case 4096: | |
15113 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
15114 | LPFC_EQ_CNT_4096); | |
15115 | break; | |
15116 | } | |
15117 | list_for_each_entry(dmabuf, &eq->page_list, list) { | |
49198b37 | 15118 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
15119 | eq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
15120 | putPaddrLow(dmabuf->phys); | |
15121 | eq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15122 | putPaddrHigh(dmabuf->phys); | |
15123 | } | |
15124 | mbox->vport = phba->pport; | |
15125 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3e1f0718 JS |
15126 | mbox->ctx_buf = NULL; |
15127 | mbox->ctx_ndlp = NULL; | |
4f774513 | 15128 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
4f774513 JS |
15129 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15130 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15131 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 15132 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
15133 | "2500 EQ_CREATE mailbox failed with " |
15134 | "status x%x add_status x%x, mbx status x%x\n", | |
15135 | shdr_status, shdr_add_status, rc); | |
15136 | status = -ENXIO; | |
15137 | } | |
15138 | eq->type = LPFC_EQ; | |
15139 | eq->subtype = LPFC_NONE; | |
15140 | eq->queue_id = bf_get(lpfc_mbx_eq_create_q_id, &eq_create->u.response); | |
15141 | if (eq->queue_id == 0xFFFF) | |
15142 | status = -ENXIO; | |
15143 | eq->host_index = 0; | |
32517fc0 JS |
15144 | eq->notify_interval = LPFC_EQ_NOTIFY_INTRVL; |
15145 | eq->max_proc_limit = LPFC_EQ_MAX_PROC_LIMIT; | |
04d210c9 | 15146 | out: |
8fa38513 | 15147 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
15148 | return status; |
15149 | } | |
15150 | ||
317aeb83 DK |
15151 | static int lpfc_cq_poll_hdler(struct irq_poll *iop, int budget) |
15152 | { | |
15153 | struct lpfc_queue *cq = container_of(iop, struct lpfc_queue, iop); | |
15154 | ||
26e0b9aa | 15155 | __lpfc_sli4_hba_process_cq(cq, LPFC_IRQ_POLL); |
317aeb83 DK |
15156 | |
15157 | return 1; | |
15158 | } | |
15159 | ||
4f774513 JS |
15160 | /** |
15161 | * lpfc_cq_create - Create a Completion Queue on the HBA | |
15162 | * @phba: HBA structure that indicates port to create a queue on. | |
15163 | * @cq: The queue structure to use to create the completion queue. | |
15164 | * @eq: The event queue to bind this completion queue to. | |
7af29d45 LJ |
15165 | * @type: Type of queue (EQ, GCQ, MCQ, WCQ, etc). |
15166 | * @subtype: Functional purpose of the queue (MBOX, IO, ELS, NVMET, etc). | |
4f774513 JS |
15167 | * |
15168 | * This function creates a completion queue, as detailed in @wq, on a port, | |
15169 | * described by @phba by sending a CQ_CREATE mailbox command to the HBA. | |
15170 | * | |
15171 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
15172 | * is used to get the entry count and entry size that are necessary to | |
15173 | * determine the number of pages to allocate and use for this queue. The @eq | |
15174 | * is used to indicate which event queue to bind this completion queue to. This | |
15175 | * function will send the CQ_CREATE mailbox command to the HBA to setup the | |
15176 | * completion queue. This function is asynchronous and will wait for the mailbox | |
15177 | * command to finish before continuing. | |
15178 | * | |
15179 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15180 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15181 | * fails this function will return -ENXIO. | |
4f774513 | 15182 | **/ |
a2fc4aef | 15183 | int |
4f774513 JS |
15184 | lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, |
15185 | struct lpfc_queue *eq, uint32_t type, uint32_t subtype) | |
15186 | { | |
15187 | struct lpfc_mbx_cq_create *cq_create; | |
15188 | struct lpfc_dmabuf *dmabuf; | |
15189 | LPFC_MBOXQ_t *mbox; | |
15190 | int rc, length, status = 0; | |
15191 | uint32_t shdr_status, shdr_add_status; | |
15192 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15193 | |
2e90f4b5 JS |
15194 | /* sanity check on queue memory */ |
15195 | if (!cq || !eq) | |
15196 | return -ENODEV; | |
49198b37 | 15197 | |
4f774513 JS |
15198 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
15199 | if (!mbox) | |
15200 | return -ENOMEM; | |
15201 | length = (sizeof(struct lpfc_mbx_cq_create) - | |
15202 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15203 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15204 | LPFC_MBOX_OPCODE_CQ_CREATE, | |
15205 | length, LPFC_SLI4_MBX_EMBED); | |
15206 | cq_create = &mbox->u.mqe.un.cq_create; | |
5a6f133e | 15207 | shdr = (union lpfc_sli4_cfg_shdr *) &cq_create->header.cfg_shdr; |
4f774513 JS |
15208 | bf_set(lpfc_mbx_cq_create_num_pages, &cq_create->u.request, |
15209 | cq->page_count); | |
15210 | bf_set(lpfc_cq_context_event, &cq_create->u.request.context, 1); | |
15211 | bf_set(lpfc_cq_context_valid, &cq_create->u.request.context, 1); | |
5a6f133e JS |
15212 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15213 | phba->sli4_hba.pc_sli4_params.cqv); | |
15214 | if (phba->sli4_hba.pc_sli4_params.cqv == LPFC_Q_CREATE_VERSION_2) { | |
81b96eda JS |
15215 | bf_set(lpfc_mbx_cq_create_page_size, &cq_create->u.request, |
15216 | (cq->page_size / SLI4_PAGE_SIZE)); | |
5a6f133e JS |
15217 | bf_set(lpfc_cq_eq_id_2, &cq_create->u.request.context, |
15218 | eq->queue_id); | |
7365f6fd JS |
15219 | bf_set(lpfc_cq_context_autovalid, &cq_create->u.request.context, |
15220 | phba->sli4_hba.pc_sli4_params.cqav); | |
5a6f133e JS |
15221 | } else { |
15222 | bf_set(lpfc_cq_eq_id, &cq_create->u.request.context, | |
15223 | eq->queue_id); | |
15224 | } | |
4f774513 | 15225 | switch (cq->entry_count) { |
81b96eda JS |
15226 | case 2048: |
15227 | case 4096: | |
15228 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
15229 | LPFC_Q_CREATE_VERSION_2) { | |
15230 | cq_create->u.request.context.lpfc_cq_context_count = | |
15231 | cq->entry_count; | |
15232 | bf_set(lpfc_cq_context_count, | |
15233 | &cq_create->u.request.context, | |
15234 | LPFC_CQ_CNT_WORD7); | |
15235 | break; | |
15236 | } | |
5bd5f66c | 15237 | /* fall through */ |
4f774513 | 15238 | default: |
372c187b | 15239 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2ea259ee | 15240 | "0361 Unsupported CQ count: " |
64eb4dcb | 15241 | "entry cnt %d sz %d pg cnt %d\n", |
2ea259ee | 15242 | cq->entry_count, cq->entry_size, |
64eb4dcb | 15243 | cq->page_count); |
4f4c1863 JS |
15244 | if (cq->entry_count < 256) { |
15245 | status = -EINVAL; | |
15246 | goto out; | |
15247 | } | |
5bd5f66c | 15248 | /* fall through - otherwise default to smallest count */ |
4f774513 JS |
15249 | case 256: |
15250 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
15251 | LPFC_CQ_CNT_256); | |
15252 | break; | |
15253 | case 512: | |
15254 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
15255 | LPFC_CQ_CNT_512); | |
15256 | break; | |
15257 | case 1024: | |
15258 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
15259 | LPFC_CQ_CNT_1024); | |
15260 | break; | |
15261 | } | |
15262 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
81b96eda | 15263 | memset(dmabuf->virt, 0, cq->page_size); |
4f774513 JS |
15264 | cq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
15265 | putPaddrLow(dmabuf->phys); | |
15266 | cq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15267 | putPaddrHigh(dmabuf->phys); | |
15268 | } | |
15269 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15270 | ||
15271 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15272 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15273 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15274 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 15275 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
15276 | "2501 CQ_CREATE mailbox failed with " |
15277 | "status x%x add_status x%x, mbx status x%x\n", | |
15278 | shdr_status, shdr_add_status, rc); | |
15279 | status = -ENXIO; | |
15280 | goto out; | |
15281 | } | |
15282 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
15283 | if (cq->queue_id == 0xFFFF) { | |
15284 | status = -ENXIO; | |
15285 | goto out; | |
15286 | } | |
15287 | /* link the cq onto the parent eq child list */ | |
15288 | list_add_tail(&cq->list, &eq->child_list); | |
15289 | /* Set up completion queue's type and subtype */ | |
15290 | cq->type = type; | |
15291 | cq->subtype = subtype; | |
15292 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
2a622bfb | 15293 | cq->assoc_qid = eq->queue_id; |
6a828b0f | 15294 | cq->assoc_qp = eq; |
4f774513 | 15295 | cq->host_index = 0; |
32517fc0 JS |
15296 | cq->notify_interval = LPFC_CQ_NOTIFY_INTRVL; |
15297 | cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit, cq->entry_count); | |
4f774513 | 15298 | |
6a828b0f JS |
15299 | if (cq->queue_id > phba->sli4_hba.cq_max) |
15300 | phba->sli4_hba.cq_max = cq->queue_id; | |
317aeb83 DK |
15301 | |
15302 | irq_poll_init(&cq->iop, LPFC_IRQ_POLL_WEIGHT, lpfc_cq_poll_hdler); | |
8fa38513 JS |
15303 | out: |
15304 | mempool_free(mbox, phba->mbox_mem_pool); | |
4f774513 JS |
15305 | return status; |
15306 | } | |
15307 | ||
2d7dbc4c JS |
15308 | /** |
15309 | * lpfc_cq_create_set - Create a set of Completion Queues on the HBA for MRQ | |
15310 | * @phba: HBA structure that indicates port to create a queue on. | |
15311 | * @cqp: The queue structure array to use to create the completion queues. | |
cdb42bec | 15312 | * @hdwq: The hardware queue array with the EQ to bind completion queues to. |
7af29d45 LJ |
15313 | * @type: Type of queue (EQ, GCQ, MCQ, WCQ, etc). |
15314 | * @subtype: Functional purpose of the queue (MBOX, IO, ELS, NVMET, etc). | |
2d7dbc4c JS |
15315 | * |
15316 | * This function creates a set of completion queue, s to support MRQ | |
15317 | * as detailed in @cqp, on a port, | |
15318 | * described by @phba by sending a CREATE_CQ_SET mailbox command to the HBA. | |
15319 | * | |
15320 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
15321 | * is used to get the entry count and entry size that are necessary to | |
15322 | * determine the number of pages to allocate and use for this queue. The @eq | |
15323 | * is used to indicate which event queue to bind this completion queue to. This | |
15324 | * function will send the CREATE_CQ_SET mailbox command to the HBA to setup the | |
15325 | * completion queue. This function is asynchronous and will wait for the mailbox | |
15326 | * command to finish before continuing. | |
15327 | * | |
15328 | * On success this function will return a zero. If unable to allocate enough | |
15329 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
15330 | * fails this function will return -ENXIO. | |
15331 | **/ | |
15332 | int | |
15333 | lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, | |
cdb42bec JS |
15334 | struct lpfc_sli4_hdw_queue *hdwq, uint32_t type, |
15335 | uint32_t subtype) | |
2d7dbc4c JS |
15336 | { |
15337 | struct lpfc_queue *cq; | |
15338 | struct lpfc_queue *eq; | |
15339 | struct lpfc_mbx_cq_create_set *cq_set; | |
15340 | struct lpfc_dmabuf *dmabuf; | |
15341 | LPFC_MBOXQ_t *mbox; | |
15342 | int rc, length, alloclen, status = 0; | |
15343 | int cnt, idx, numcq, page_idx = 0; | |
15344 | uint32_t shdr_status, shdr_add_status; | |
15345 | union lpfc_sli4_cfg_shdr *shdr; | |
15346 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
15347 | ||
15348 | /* sanity check on queue memory */ | |
15349 | numcq = phba->cfg_nvmet_mrq; | |
cdb42bec | 15350 | if (!cqp || !hdwq || !numcq) |
2d7dbc4c | 15351 | return -ENODEV; |
2d7dbc4c JS |
15352 | |
15353 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15354 | if (!mbox) | |
15355 | return -ENOMEM; | |
15356 | ||
15357 | length = sizeof(struct lpfc_mbx_cq_create_set); | |
15358 | length += ((numcq * cqp[0]->page_count) * | |
15359 | sizeof(struct dma_address)); | |
15360 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15361 | LPFC_MBOX_OPCODE_FCOE_CQ_CREATE_SET, length, | |
15362 | LPFC_SLI4_MBX_NEMBED); | |
15363 | if (alloclen < length) { | |
372c187b | 15364 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2d7dbc4c JS |
15365 | "3098 Allocated DMA memory size (%d) is " |
15366 | "less than the requested DMA memory size " | |
15367 | "(%d)\n", alloclen, length); | |
15368 | status = -ENOMEM; | |
15369 | goto out; | |
15370 | } | |
15371 | cq_set = mbox->sge_array->addr[0]; | |
15372 | shdr = (union lpfc_sli4_cfg_shdr *)&cq_set->cfg_shdr; | |
15373 | bf_set(lpfc_mbox_hdr_version, &shdr->request, 0); | |
15374 | ||
15375 | for (idx = 0; idx < numcq; idx++) { | |
15376 | cq = cqp[idx]; | |
cdb42bec | 15377 | eq = hdwq[idx].hba_eq; |
2d7dbc4c JS |
15378 | if (!cq || !eq) { |
15379 | status = -ENOMEM; | |
15380 | goto out; | |
15381 | } | |
81b96eda JS |
15382 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15383 | hw_page_size = cq->page_size; | |
2d7dbc4c JS |
15384 | |
15385 | switch (idx) { | |
15386 | case 0: | |
15387 | bf_set(lpfc_mbx_cq_create_set_page_size, | |
15388 | &cq_set->u.request, | |
15389 | (hw_page_size / SLI4_PAGE_SIZE)); | |
15390 | bf_set(lpfc_mbx_cq_create_set_num_pages, | |
15391 | &cq_set->u.request, cq->page_count); | |
15392 | bf_set(lpfc_mbx_cq_create_set_evt, | |
15393 | &cq_set->u.request, 1); | |
15394 | bf_set(lpfc_mbx_cq_create_set_valid, | |
15395 | &cq_set->u.request, 1); | |
15396 | bf_set(lpfc_mbx_cq_create_set_cqe_size, | |
15397 | &cq_set->u.request, 0); | |
15398 | bf_set(lpfc_mbx_cq_create_set_num_cq, | |
15399 | &cq_set->u.request, numcq); | |
7365f6fd JS |
15400 | bf_set(lpfc_mbx_cq_create_set_autovalid, |
15401 | &cq_set->u.request, | |
15402 | phba->sli4_hba.pc_sli4_params.cqav); | |
2d7dbc4c | 15403 | switch (cq->entry_count) { |
81b96eda JS |
15404 | case 2048: |
15405 | case 4096: | |
15406 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
15407 | LPFC_Q_CREATE_VERSION_2) { | |
15408 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15409 | &cq_set->u.request, | |
15410 | cq->entry_count); | |
15411 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15412 | &cq_set->u.request, | |
15413 | LPFC_CQ_CNT_WORD7); | |
15414 | break; | |
15415 | } | |
5bd5f66c | 15416 | /* fall through */ |
2d7dbc4c | 15417 | default: |
372c187b | 15418 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2d7dbc4c JS |
15419 | "3118 Bad CQ count. (%d)\n", |
15420 | cq->entry_count); | |
15421 | if (cq->entry_count < 256) { | |
15422 | status = -EINVAL; | |
15423 | goto out; | |
15424 | } | |
5bd5f66c | 15425 | /* fall through - otherwise default to smallest */ |
2d7dbc4c JS |
15426 | case 256: |
15427 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15428 | &cq_set->u.request, LPFC_CQ_CNT_256); | |
15429 | break; | |
15430 | case 512: | |
15431 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15432 | &cq_set->u.request, LPFC_CQ_CNT_512); | |
15433 | break; | |
15434 | case 1024: | |
15435 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15436 | &cq_set->u.request, LPFC_CQ_CNT_1024); | |
15437 | break; | |
15438 | } | |
15439 | bf_set(lpfc_mbx_cq_create_set_eq_id0, | |
15440 | &cq_set->u.request, eq->queue_id); | |
15441 | break; | |
15442 | case 1: | |
15443 | bf_set(lpfc_mbx_cq_create_set_eq_id1, | |
15444 | &cq_set->u.request, eq->queue_id); | |
15445 | break; | |
15446 | case 2: | |
15447 | bf_set(lpfc_mbx_cq_create_set_eq_id2, | |
15448 | &cq_set->u.request, eq->queue_id); | |
15449 | break; | |
15450 | case 3: | |
15451 | bf_set(lpfc_mbx_cq_create_set_eq_id3, | |
15452 | &cq_set->u.request, eq->queue_id); | |
15453 | break; | |
15454 | case 4: | |
15455 | bf_set(lpfc_mbx_cq_create_set_eq_id4, | |
15456 | &cq_set->u.request, eq->queue_id); | |
15457 | break; | |
15458 | case 5: | |
15459 | bf_set(lpfc_mbx_cq_create_set_eq_id5, | |
15460 | &cq_set->u.request, eq->queue_id); | |
15461 | break; | |
15462 | case 6: | |
15463 | bf_set(lpfc_mbx_cq_create_set_eq_id6, | |
15464 | &cq_set->u.request, eq->queue_id); | |
15465 | break; | |
15466 | case 7: | |
15467 | bf_set(lpfc_mbx_cq_create_set_eq_id7, | |
15468 | &cq_set->u.request, eq->queue_id); | |
15469 | break; | |
15470 | case 8: | |
15471 | bf_set(lpfc_mbx_cq_create_set_eq_id8, | |
15472 | &cq_set->u.request, eq->queue_id); | |
15473 | break; | |
15474 | case 9: | |
15475 | bf_set(lpfc_mbx_cq_create_set_eq_id9, | |
15476 | &cq_set->u.request, eq->queue_id); | |
15477 | break; | |
15478 | case 10: | |
15479 | bf_set(lpfc_mbx_cq_create_set_eq_id10, | |
15480 | &cq_set->u.request, eq->queue_id); | |
15481 | break; | |
15482 | case 11: | |
15483 | bf_set(lpfc_mbx_cq_create_set_eq_id11, | |
15484 | &cq_set->u.request, eq->queue_id); | |
15485 | break; | |
15486 | case 12: | |
15487 | bf_set(lpfc_mbx_cq_create_set_eq_id12, | |
15488 | &cq_set->u.request, eq->queue_id); | |
15489 | break; | |
15490 | case 13: | |
15491 | bf_set(lpfc_mbx_cq_create_set_eq_id13, | |
15492 | &cq_set->u.request, eq->queue_id); | |
15493 | break; | |
15494 | case 14: | |
15495 | bf_set(lpfc_mbx_cq_create_set_eq_id14, | |
15496 | &cq_set->u.request, eq->queue_id); | |
15497 | break; | |
15498 | case 15: | |
15499 | bf_set(lpfc_mbx_cq_create_set_eq_id15, | |
15500 | &cq_set->u.request, eq->queue_id); | |
15501 | break; | |
15502 | } | |
15503 | ||
15504 | /* link the cq onto the parent eq child list */ | |
15505 | list_add_tail(&cq->list, &eq->child_list); | |
15506 | /* Set up completion queue's type and subtype */ | |
15507 | cq->type = type; | |
15508 | cq->subtype = subtype; | |
15509 | cq->assoc_qid = eq->queue_id; | |
6a828b0f | 15510 | cq->assoc_qp = eq; |
2d7dbc4c | 15511 | cq->host_index = 0; |
32517fc0 JS |
15512 | cq->notify_interval = LPFC_CQ_NOTIFY_INTRVL; |
15513 | cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit, | |
15514 | cq->entry_count); | |
81b96eda | 15515 | cq->chann = idx; |
2d7dbc4c JS |
15516 | |
15517 | rc = 0; | |
15518 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
15519 | memset(dmabuf->virt, 0, hw_page_size); | |
15520 | cnt = page_idx + dmabuf->buffer_tag; | |
15521 | cq_set->u.request.page[cnt].addr_lo = | |
15522 | putPaddrLow(dmabuf->phys); | |
15523 | cq_set->u.request.page[cnt].addr_hi = | |
15524 | putPaddrHigh(dmabuf->phys); | |
15525 | rc++; | |
15526 | } | |
15527 | page_idx += rc; | |
15528 | } | |
15529 | ||
15530 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15531 | ||
15532 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15533 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15534 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15535 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 15536 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2d7dbc4c JS |
15537 | "3119 CQ_CREATE_SET mailbox failed with " |
15538 | "status x%x add_status x%x, mbx status x%x\n", | |
15539 | shdr_status, shdr_add_status, rc); | |
15540 | status = -ENXIO; | |
15541 | goto out; | |
15542 | } | |
15543 | rc = bf_get(lpfc_mbx_cq_create_set_base_id, &cq_set->u.response); | |
15544 | if (rc == 0xFFFF) { | |
15545 | status = -ENXIO; | |
15546 | goto out; | |
15547 | } | |
15548 | ||
15549 | for (idx = 0; idx < numcq; idx++) { | |
15550 | cq = cqp[idx]; | |
15551 | cq->queue_id = rc + idx; | |
6a828b0f JS |
15552 | if (cq->queue_id > phba->sli4_hba.cq_max) |
15553 | phba->sli4_hba.cq_max = cq->queue_id; | |
2d7dbc4c JS |
15554 | } |
15555 | ||
15556 | out: | |
15557 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
15558 | return status; | |
15559 | } | |
15560 | ||
b19a061a JS |
15561 | /** |
15562 | * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration | |
15563 | * @phba: HBA structure that indicates port to create a queue on. | |
15564 | * @mq: The queue structure to use to create the mailbox queue. | |
15565 | * @mbox: An allocated pointer to type LPFC_MBOXQ_t | |
15566 | * @cq: The completion queue to associate with this cq. | |
15567 | * | |
15568 | * This function provides failback (fb) functionality when the | |
15569 | * mq_create_ext fails on older FW generations. It's purpose is identical | |
15570 | * to mq_create_ext otherwise. | |
15571 | * | |
15572 | * This routine cannot fail as all attributes were previously accessed and | |
15573 | * initialized in mq_create_ext. | |
15574 | **/ | |
15575 | static void | |
15576 | lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq, | |
15577 | LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq) | |
15578 | { | |
15579 | struct lpfc_mbx_mq_create *mq_create; | |
15580 | struct lpfc_dmabuf *dmabuf; | |
15581 | int length; | |
15582 | ||
15583 | length = (sizeof(struct lpfc_mbx_mq_create) - | |
15584 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15585 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15586 | LPFC_MBOX_OPCODE_MQ_CREATE, | |
15587 | length, LPFC_SLI4_MBX_EMBED); | |
15588 | mq_create = &mbox->u.mqe.un.mq_create; | |
15589 | bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, | |
15590 | mq->page_count); | |
15591 | bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, | |
15592 | cq->queue_id); | |
15593 | bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); | |
15594 | switch (mq->entry_count) { | |
15595 | case 16: | |
5a6f133e JS |
15596 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15597 | LPFC_MQ_RING_SIZE_16); | |
b19a061a JS |
15598 | break; |
15599 | case 32: | |
5a6f133e JS |
15600 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15601 | LPFC_MQ_RING_SIZE_32); | |
b19a061a JS |
15602 | break; |
15603 | case 64: | |
5a6f133e JS |
15604 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15605 | LPFC_MQ_RING_SIZE_64); | |
b19a061a JS |
15606 | break; |
15607 | case 128: | |
5a6f133e JS |
15608 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15609 | LPFC_MQ_RING_SIZE_128); | |
b19a061a JS |
15610 | break; |
15611 | } | |
15612 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
15613 | mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
15614 | putPaddrLow(dmabuf->phys); | |
15615 | mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15616 | putPaddrHigh(dmabuf->phys); | |
15617 | } | |
15618 | } | |
15619 | ||
04c68496 JS |
15620 | /** |
15621 | * lpfc_mq_create - Create a mailbox Queue on the HBA | |
15622 | * @phba: HBA structure that indicates port to create a queue on. | |
15623 | * @mq: The queue structure to use to create the mailbox queue. | |
b19a061a JS |
15624 | * @cq: The completion queue to associate with this cq. |
15625 | * @subtype: The queue's subtype. | |
04c68496 JS |
15626 | * |
15627 | * This function creates a mailbox queue, as detailed in @mq, on a port, | |
15628 | * described by @phba by sending a MQ_CREATE mailbox command to the HBA. | |
15629 | * | |
15630 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
15631 | * is used to get the entry count and entry size that are necessary to | |
15632 | * determine the number of pages to allocate and use for this queue. This | |
15633 | * function will send the MQ_CREATE mailbox command to the HBA to setup the | |
15634 | * mailbox queue. This function is asynchronous and will wait for the mailbox | |
15635 | * command to finish before continuing. | |
15636 | * | |
15637 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15638 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15639 | * fails this function will return -ENXIO. | |
04c68496 | 15640 | **/ |
b19a061a | 15641 | int32_t |
04c68496 JS |
15642 | lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, |
15643 | struct lpfc_queue *cq, uint32_t subtype) | |
15644 | { | |
15645 | struct lpfc_mbx_mq_create *mq_create; | |
b19a061a | 15646 | struct lpfc_mbx_mq_create_ext *mq_create_ext; |
04c68496 JS |
15647 | struct lpfc_dmabuf *dmabuf; |
15648 | LPFC_MBOXQ_t *mbox; | |
15649 | int rc, length, status = 0; | |
15650 | uint32_t shdr_status, shdr_add_status; | |
15651 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15652 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
04c68496 | 15653 | |
2e90f4b5 JS |
15654 | /* sanity check on queue memory */ |
15655 | if (!mq || !cq) | |
15656 | return -ENODEV; | |
49198b37 JS |
15657 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15658 | hw_page_size = SLI4_PAGE_SIZE; | |
b19a061a | 15659 | |
04c68496 JS |
15660 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
15661 | if (!mbox) | |
15662 | return -ENOMEM; | |
b19a061a | 15663 | length = (sizeof(struct lpfc_mbx_mq_create_ext) - |
04c68496 JS |
15664 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
15665 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
b19a061a | 15666 | LPFC_MBOX_OPCODE_MQ_CREATE_EXT, |
04c68496 | 15667 | length, LPFC_SLI4_MBX_EMBED); |
b19a061a JS |
15668 | |
15669 | mq_create_ext = &mbox->u.mqe.un.mq_create_ext; | |
5a6f133e | 15670 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr; |
70f3c073 JS |
15671 | bf_set(lpfc_mbx_mq_create_ext_num_pages, |
15672 | &mq_create_ext->u.request, mq->page_count); | |
15673 | bf_set(lpfc_mbx_mq_create_ext_async_evt_link, | |
15674 | &mq_create_ext->u.request, 1); | |
15675 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fip, | |
b19a061a JS |
15676 | &mq_create_ext->u.request, 1); |
15677 | bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, | |
15678 | &mq_create_ext->u.request, 1); | |
70f3c073 JS |
15679 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fc, |
15680 | &mq_create_ext->u.request, 1); | |
15681 | bf_set(lpfc_mbx_mq_create_ext_async_evt_sli, | |
15682 | &mq_create_ext->u.request, 1); | |
b19a061a | 15683 | bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); |
5a6f133e JS |
15684 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15685 | phba->sli4_hba.pc_sli4_params.mqv); | |
15686 | if (phba->sli4_hba.pc_sli4_params.mqv == LPFC_Q_CREATE_VERSION_1) | |
15687 | bf_set(lpfc_mbx_mq_create_ext_cq_id, &mq_create_ext->u.request, | |
15688 | cq->queue_id); | |
15689 | else | |
15690 | bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, | |
15691 | cq->queue_id); | |
04c68496 JS |
15692 | switch (mq->entry_count) { |
15693 | default: | |
372c187b | 15694 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
04c68496 JS |
15695 | "0362 Unsupported MQ count. (%d)\n", |
15696 | mq->entry_count); | |
4f4c1863 JS |
15697 | if (mq->entry_count < 16) { |
15698 | status = -EINVAL; | |
15699 | goto out; | |
15700 | } | |
5bd5f66c | 15701 | /* fall through - otherwise default to smallest count */ |
04c68496 | 15702 | case 16: |
5a6f133e JS |
15703 | bf_set(lpfc_mq_context_ring_size, |
15704 | &mq_create_ext->u.request.context, | |
15705 | LPFC_MQ_RING_SIZE_16); | |
04c68496 JS |
15706 | break; |
15707 | case 32: | |
5a6f133e JS |
15708 | bf_set(lpfc_mq_context_ring_size, |
15709 | &mq_create_ext->u.request.context, | |
15710 | LPFC_MQ_RING_SIZE_32); | |
04c68496 JS |
15711 | break; |
15712 | case 64: | |
5a6f133e JS |
15713 | bf_set(lpfc_mq_context_ring_size, |
15714 | &mq_create_ext->u.request.context, | |
15715 | LPFC_MQ_RING_SIZE_64); | |
04c68496 JS |
15716 | break; |
15717 | case 128: | |
5a6f133e JS |
15718 | bf_set(lpfc_mq_context_ring_size, |
15719 | &mq_create_ext->u.request.context, | |
15720 | LPFC_MQ_RING_SIZE_128); | |
04c68496 JS |
15721 | break; |
15722 | } | |
15723 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
49198b37 | 15724 | memset(dmabuf->virt, 0, hw_page_size); |
b19a061a | 15725 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo = |
04c68496 | 15726 | putPaddrLow(dmabuf->phys); |
b19a061a | 15727 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi = |
04c68496 JS |
15728 | putPaddrHigh(dmabuf->phys); |
15729 | } | |
15730 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
b19a061a JS |
15731 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, |
15732 | &mq_create_ext->u.response); | |
15733 | if (rc != MBX_SUCCESS) { | |
15734 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15735 | "2795 MQ_CREATE_EXT failed with " | |
15736 | "status x%x. Failback to MQ_CREATE.\n", | |
15737 | rc); | |
15738 | lpfc_mq_create_fb_init(phba, mq, mbox, cq); | |
15739 | mq_create = &mbox->u.mqe.un.mq_create; | |
15740 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15741 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; | |
15742 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, | |
15743 | &mq_create->u.response); | |
15744 | } | |
15745 | ||
04c68496 | 15746 | /* The IOCTL status is embedded in the mailbox subheader. */ |
04c68496 JS |
15747 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15748 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15749 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 15750 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
04c68496 JS |
15751 | "2502 MQ_CREATE mailbox failed with " |
15752 | "status x%x add_status x%x, mbx status x%x\n", | |
15753 | shdr_status, shdr_add_status, rc); | |
15754 | status = -ENXIO; | |
15755 | goto out; | |
15756 | } | |
04c68496 JS |
15757 | if (mq->queue_id == 0xFFFF) { |
15758 | status = -ENXIO; | |
15759 | goto out; | |
15760 | } | |
15761 | mq->type = LPFC_MQ; | |
2a622bfb | 15762 | mq->assoc_qid = cq->queue_id; |
04c68496 JS |
15763 | mq->subtype = subtype; |
15764 | mq->host_index = 0; | |
15765 | mq->hba_index = 0; | |
15766 | ||
15767 | /* link the mq onto the parent cq child list */ | |
15768 | list_add_tail(&mq->list, &cq->child_list); | |
15769 | out: | |
8fa38513 | 15770 | mempool_free(mbox, phba->mbox_mem_pool); |
04c68496 JS |
15771 | return status; |
15772 | } | |
15773 | ||
4f774513 JS |
15774 | /** |
15775 | * lpfc_wq_create - Create a Work Queue on the HBA | |
15776 | * @phba: HBA structure that indicates port to create a queue on. | |
15777 | * @wq: The queue structure to use to create the work queue. | |
15778 | * @cq: The completion queue to bind this work queue to. | |
15779 | * @subtype: The subtype of the work queue indicating its functionality. | |
15780 | * | |
15781 | * This function creates a work queue, as detailed in @wq, on a port, described | |
15782 | * by @phba by sending a WQ_CREATE mailbox command to the HBA. | |
15783 | * | |
15784 | * The @phba struct is used to send mailbox command to HBA. The @wq struct | |
15785 | * is used to get the entry count and entry size that are necessary to | |
15786 | * determine the number of pages to allocate and use for this queue. The @cq | |
15787 | * is used to indicate which completion queue to bind this work queue to. This | |
15788 | * function will send the WQ_CREATE mailbox command to the HBA to setup the | |
15789 | * work queue. This function is asynchronous and will wait for the mailbox | |
15790 | * command to finish before continuing. | |
15791 | * | |
15792 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15793 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15794 | * fails this function will return -ENXIO. | |
4f774513 | 15795 | **/ |
a2fc4aef | 15796 | int |
4f774513 JS |
15797 | lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, |
15798 | struct lpfc_queue *cq, uint32_t subtype) | |
15799 | { | |
15800 | struct lpfc_mbx_wq_create *wq_create; | |
15801 | struct lpfc_dmabuf *dmabuf; | |
15802 | LPFC_MBOXQ_t *mbox; | |
15803 | int rc, length, status = 0; | |
15804 | uint32_t shdr_status, shdr_add_status; | |
15805 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15806 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
5a6f133e | 15807 | struct dma_address *page; |
962bc51b JS |
15808 | void __iomem *bar_memmap_p; |
15809 | uint32_t db_offset; | |
15810 | uint16_t pci_barset; | |
1351e69f JS |
15811 | uint8_t dpp_barset; |
15812 | uint32_t dpp_offset; | |
15813 | unsigned long pg_addr; | |
81b96eda | 15814 | uint8_t wq_create_version; |
49198b37 | 15815 | |
2e90f4b5 JS |
15816 | /* sanity check on queue memory */ |
15817 | if (!wq || !cq) | |
15818 | return -ENODEV; | |
49198b37 | 15819 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 15820 | hw_page_size = wq->page_size; |
4f774513 JS |
15821 | |
15822 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15823 | if (!mbox) | |
15824 | return -ENOMEM; | |
15825 | length = (sizeof(struct lpfc_mbx_wq_create) - | |
15826 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15827 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15828 | LPFC_MBOX_OPCODE_FCOE_WQ_CREATE, | |
15829 | length, LPFC_SLI4_MBX_EMBED); | |
15830 | wq_create = &mbox->u.mqe.un.wq_create; | |
5a6f133e | 15831 | shdr = (union lpfc_sli4_cfg_shdr *) &wq_create->header.cfg_shdr; |
4f774513 JS |
15832 | bf_set(lpfc_mbx_wq_create_num_pages, &wq_create->u.request, |
15833 | wq->page_count); | |
15834 | bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request, | |
15835 | cq->queue_id); | |
0c651878 JS |
15836 | |
15837 | /* wqv is the earliest version supported, NOT the latest */ | |
5a6f133e JS |
15838 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15839 | phba->sli4_hba.pc_sli4_params.wqv); | |
962bc51b | 15840 | |
c176ffa0 JS |
15841 | if ((phba->sli4_hba.pc_sli4_params.wqsize & LPFC_WQ_SZ128_SUPPORT) || |
15842 | (wq->page_size > SLI4_PAGE_SIZE)) | |
81b96eda JS |
15843 | wq_create_version = LPFC_Q_CREATE_VERSION_1; |
15844 | else | |
15845 | wq_create_version = LPFC_Q_CREATE_VERSION_0; | |
15846 | ||
0c651878 | 15847 | |
1351e69f JS |
15848 | if (phba->sli4_hba.pc_sli4_params.wqsize & LPFC_WQ_SZ128_SUPPORT) |
15849 | wq_create_version = LPFC_Q_CREATE_VERSION_1; | |
15850 | else | |
15851 | wq_create_version = LPFC_Q_CREATE_VERSION_0; | |
15852 | ||
15853 | switch (wq_create_version) { | |
0c651878 | 15854 | case LPFC_Q_CREATE_VERSION_1: |
5a6f133e JS |
15855 | bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1, |
15856 | wq->entry_count); | |
3f247de7 JS |
15857 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15858 | LPFC_Q_CREATE_VERSION_1); | |
15859 | ||
5a6f133e JS |
15860 | switch (wq->entry_size) { |
15861 | default: | |
15862 | case 64: | |
15863 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
15864 | &wq_create->u.request_1, | |
15865 | LPFC_WQ_WQE_SIZE_64); | |
15866 | break; | |
15867 | case 128: | |
15868 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
15869 | &wq_create->u.request_1, | |
15870 | LPFC_WQ_WQE_SIZE_128); | |
15871 | break; | |
15872 | } | |
1351e69f JS |
15873 | /* Request DPP by default */ |
15874 | bf_set(lpfc_mbx_wq_create_dpp_req, &wq_create->u.request_1, 1); | |
8ea73db4 JS |
15875 | bf_set(lpfc_mbx_wq_create_page_size, |
15876 | &wq_create->u.request_1, | |
81b96eda | 15877 | (wq->page_size / SLI4_PAGE_SIZE)); |
5a6f133e | 15878 | page = wq_create->u.request_1.page; |
0c651878 JS |
15879 | break; |
15880 | default: | |
1351e69f JS |
15881 | page = wq_create->u.request.page; |
15882 | break; | |
5a6f133e | 15883 | } |
0c651878 | 15884 | |
4f774513 | 15885 | list_for_each_entry(dmabuf, &wq->page_list, list) { |
49198b37 | 15886 | memset(dmabuf->virt, 0, hw_page_size); |
5a6f133e JS |
15887 | page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); |
15888 | page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys); | |
4f774513 | 15889 | } |
962bc51b JS |
15890 | |
15891 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) | |
15892 | bf_set(lpfc_mbx_wq_create_dua, &wq_create->u.request, 1); | |
15893 | ||
4f774513 JS |
15894 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15895 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15896 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15897 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15898 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 15899 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
15900 | "2503 WQ_CREATE mailbox failed with " |
15901 | "status x%x add_status x%x, mbx status x%x\n", | |
15902 | shdr_status, shdr_add_status, rc); | |
15903 | status = -ENXIO; | |
15904 | goto out; | |
15905 | } | |
1351e69f JS |
15906 | |
15907 | if (wq_create_version == LPFC_Q_CREATE_VERSION_0) | |
15908 | wq->queue_id = bf_get(lpfc_mbx_wq_create_q_id, | |
15909 | &wq_create->u.response); | |
15910 | else | |
15911 | wq->queue_id = bf_get(lpfc_mbx_wq_create_v1_q_id, | |
15912 | &wq_create->u.response_1); | |
15913 | ||
4f774513 JS |
15914 | if (wq->queue_id == 0xFFFF) { |
15915 | status = -ENXIO; | |
15916 | goto out; | |
15917 | } | |
1351e69f JS |
15918 | |
15919 | wq->db_format = LPFC_DB_LIST_FORMAT; | |
15920 | if (wq_create_version == LPFC_Q_CREATE_VERSION_0) { | |
15921 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
15922 | wq->db_format = bf_get(lpfc_mbx_wq_create_db_format, | |
15923 | &wq_create->u.response); | |
15924 | if ((wq->db_format != LPFC_DB_LIST_FORMAT) && | |
15925 | (wq->db_format != LPFC_DB_RING_FORMAT)) { | |
372c187b | 15926 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
1351e69f JS |
15927 | "3265 WQ[%d] doorbell format " |
15928 | "not supported: x%x\n", | |
15929 | wq->queue_id, wq->db_format); | |
15930 | status = -EINVAL; | |
15931 | goto out; | |
15932 | } | |
15933 | pci_barset = bf_get(lpfc_mbx_wq_create_bar_set, | |
15934 | &wq_create->u.response); | |
15935 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15936 | pci_barset); | |
15937 | if (!bar_memmap_p) { | |
372c187b | 15938 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
1351e69f JS |
15939 | "3263 WQ[%d] failed to memmap " |
15940 | "pci barset:x%x\n", | |
15941 | wq->queue_id, pci_barset); | |
15942 | status = -ENOMEM; | |
15943 | goto out; | |
15944 | } | |
15945 | db_offset = wq_create->u.response.doorbell_offset; | |
15946 | if ((db_offset != LPFC_ULP0_WQ_DOORBELL) && | |
15947 | (db_offset != LPFC_ULP1_WQ_DOORBELL)) { | |
372c187b | 15948 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
1351e69f JS |
15949 | "3252 WQ[%d] doorbell offset " |
15950 | "not supported: x%x\n", | |
15951 | wq->queue_id, db_offset); | |
15952 | status = -EINVAL; | |
15953 | goto out; | |
15954 | } | |
15955 | wq->db_regaddr = bar_memmap_p + db_offset; | |
15956 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15957 | "3264 WQ[%d]: barset:x%x, offset:x%x, " | |
15958 | "format:x%x\n", wq->queue_id, | |
15959 | pci_barset, db_offset, wq->db_format); | |
15960 | } else | |
15961 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
962bc51b | 15962 | } else { |
1351e69f JS |
15963 | /* Check if DPP was honored by the firmware */ |
15964 | wq->dpp_enable = bf_get(lpfc_mbx_wq_create_dpp_rsp, | |
15965 | &wq_create->u.response_1); | |
15966 | if (wq->dpp_enable) { | |
15967 | pci_barset = bf_get(lpfc_mbx_wq_create_v1_bar_set, | |
15968 | &wq_create->u.response_1); | |
15969 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15970 | pci_barset); | |
15971 | if (!bar_memmap_p) { | |
372c187b | 15972 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
1351e69f JS |
15973 | "3267 WQ[%d] failed to memmap " |
15974 | "pci barset:x%x\n", | |
15975 | wq->queue_id, pci_barset); | |
15976 | status = -ENOMEM; | |
15977 | goto out; | |
15978 | } | |
15979 | db_offset = wq_create->u.response_1.doorbell_offset; | |
15980 | wq->db_regaddr = bar_memmap_p + db_offset; | |
15981 | wq->dpp_id = bf_get(lpfc_mbx_wq_create_dpp_id, | |
15982 | &wq_create->u.response_1); | |
15983 | dpp_barset = bf_get(lpfc_mbx_wq_create_dpp_bar, | |
15984 | &wq_create->u.response_1); | |
15985 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15986 | dpp_barset); | |
15987 | if (!bar_memmap_p) { | |
372c187b | 15988 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
1351e69f JS |
15989 | "3268 WQ[%d] failed to memmap " |
15990 | "pci barset:x%x\n", | |
15991 | wq->queue_id, dpp_barset); | |
15992 | status = -ENOMEM; | |
15993 | goto out; | |
15994 | } | |
15995 | dpp_offset = wq_create->u.response_1.dpp_offset; | |
15996 | wq->dpp_regaddr = bar_memmap_p + dpp_offset; | |
15997 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15998 | "3271 WQ[%d]: barset:x%x, offset:x%x, " | |
15999 | "dpp_id:x%x dpp_barset:x%x " | |
16000 | "dpp_offset:x%x\n", | |
16001 | wq->queue_id, pci_barset, db_offset, | |
16002 | wq->dpp_id, dpp_barset, dpp_offset); | |
16003 | ||
3c1311ad | 16004 | #ifdef CONFIG_X86 |
1351e69f JS |
16005 | /* Enable combined writes for DPP aperture */ |
16006 | pg_addr = (unsigned long)(wq->dpp_regaddr) & PAGE_MASK; | |
1351e69f JS |
16007 | rc = set_memory_wc(pg_addr, 1); |
16008 | if (rc) { | |
16009 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16010 | "3272 Cannot setup Combined " | |
16011 | "Write on WQ[%d] - disable DPP\n", | |
16012 | wq->queue_id); | |
16013 | phba->cfg_enable_dpp = 0; | |
16014 | } | |
16015 | #else | |
16016 | phba->cfg_enable_dpp = 0; | |
16017 | #endif | |
16018 | } else | |
16019 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
962bc51b | 16020 | } |
895427bd JS |
16021 | wq->pring = kzalloc(sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
16022 | if (wq->pring == NULL) { | |
16023 | status = -ENOMEM; | |
16024 | goto out; | |
16025 | } | |
4f774513 | 16026 | wq->type = LPFC_WQ; |
2a622bfb | 16027 | wq->assoc_qid = cq->queue_id; |
4f774513 JS |
16028 | wq->subtype = subtype; |
16029 | wq->host_index = 0; | |
16030 | wq->hba_index = 0; | |
32517fc0 | 16031 | wq->notify_interval = LPFC_WQ_NOTIFY_INTRVL; |
4f774513 JS |
16032 | |
16033 | /* link the wq onto the parent cq child list */ | |
16034 | list_add_tail(&wq->list, &cq->child_list); | |
16035 | out: | |
8fa38513 | 16036 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
16037 | return status; |
16038 | } | |
16039 | ||
16040 | /** | |
16041 | * lpfc_rq_create - Create a Receive Queue on the HBA | |
16042 | * @phba: HBA structure that indicates port to create a queue on. | |
16043 | * @hrq: The queue structure to use to create the header receive queue. | |
16044 | * @drq: The queue structure to use to create the data receive queue. | |
16045 | * @cq: The completion queue to bind this work queue to. | |
7af29d45 | 16046 | * @subtype: The subtype of the work queue indicating its functionality. |
4f774513 JS |
16047 | * |
16048 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
16049 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
16050 | * to the HBA. | |
16051 | * | |
16052 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
16053 | * struct is used to get the entry count that is necessary to determine the | |
16054 | * number of pages to use for this queue. The @cq is used to indicate which | |
16055 | * completion queue to bind received buffers that are posted to these queues to. | |
16056 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
16057 | * receive queue pair. This function is asynchronous and will wait for the | |
16058 | * mailbox command to finish before continuing. | |
16059 | * | |
16060 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
16061 | * memory this function will return -ENOMEM. If the queue create mailbox command |
16062 | * fails this function will return -ENXIO. | |
4f774513 | 16063 | **/ |
a2fc4aef | 16064 | int |
4f774513 JS |
16065 | lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
16066 | struct lpfc_queue *drq, struct lpfc_queue *cq, uint32_t subtype) | |
16067 | { | |
16068 | struct lpfc_mbx_rq_create *rq_create; | |
16069 | struct lpfc_dmabuf *dmabuf; | |
16070 | LPFC_MBOXQ_t *mbox; | |
16071 | int rc, length, status = 0; | |
16072 | uint32_t shdr_status, shdr_add_status; | |
16073 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 16074 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
962bc51b JS |
16075 | void __iomem *bar_memmap_p; |
16076 | uint32_t db_offset; | |
16077 | uint16_t pci_barset; | |
49198b37 | 16078 | |
2e90f4b5 JS |
16079 | /* sanity check on queue memory */ |
16080 | if (!hrq || !drq || !cq) | |
16081 | return -ENODEV; | |
49198b37 JS |
16082 | if (!phba->sli4_hba.pc_sli4_params.supported) |
16083 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
16084 | |
16085 | if (hrq->entry_count != drq->entry_count) | |
16086 | return -EINVAL; | |
16087 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16088 | if (!mbox) | |
16089 | return -ENOMEM; | |
16090 | length = (sizeof(struct lpfc_mbx_rq_create) - | |
16091 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16092 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16093 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
16094 | length, LPFC_SLI4_MBX_EMBED); | |
16095 | rq_create = &mbox->u.mqe.un.rq_create; | |
5a6f133e JS |
16096 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; |
16097 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
16098 | phba->sli4_hba.pc_sli4_params.rqv); | |
16099 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
16100 | bf_set(lpfc_rq_context_rqe_count_1, | |
16101 | &rq_create->u.request.context, | |
16102 | hrq->entry_count); | |
16103 | rq_create->u.request.context.buffer_size = LPFC_HDR_BUF_SIZE; | |
c31098ce JS |
16104 | bf_set(lpfc_rq_context_rqe_size, |
16105 | &rq_create->u.request.context, | |
16106 | LPFC_RQE_SIZE_8); | |
16107 | bf_set(lpfc_rq_context_page_size, | |
16108 | &rq_create->u.request.context, | |
8ea73db4 | 16109 | LPFC_RQ_PAGE_SIZE_4096); |
5a6f133e JS |
16110 | } else { |
16111 | switch (hrq->entry_count) { | |
16112 | default: | |
372c187b | 16113 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
5a6f133e JS |
16114 | "2535 Unsupported RQ count. (%d)\n", |
16115 | hrq->entry_count); | |
4f4c1863 JS |
16116 | if (hrq->entry_count < 512) { |
16117 | status = -EINVAL; | |
16118 | goto out; | |
16119 | } | |
5bd5f66c | 16120 | /* fall through - otherwise default to smallest count */ |
5a6f133e JS |
16121 | case 512: |
16122 | bf_set(lpfc_rq_context_rqe_count, | |
16123 | &rq_create->u.request.context, | |
16124 | LPFC_RQ_RING_SIZE_512); | |
16125 | break; | |
16126 | case 1024: | |
16127 | bf_set(lpfc_rq_context_rqe_count, | |
16128 | &rq_create->u.request.context, | |
16129 | LPFC_RQ_RING_SIZE_1024); | |
16130 | break; | |
16131 | case 2048: | |
16132 | bf_set(lpfc_rq_context_rqe_count, | |
16133 | &rq_create->u.request.context, | |
16134 | LPFC_RQ_RING_SIZE_2048); | |
16135 | break; | |
16136 | case 4096: | |
16137 | bf_set(lpfc_rq_context_rqe_count, | |
16138 | &rq_create->u.request.context, | |
16139 | LPFC_RQ_RING_SIZE_4096); | |
16140 | break; | |
16141 | } | |
16142 | bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, | |
16143 | LPFC_HDR_BUF_SIZE); | |
4f774513 JS |
16144 | } |
16145 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
16146 | cq->queue_id); | |
16147 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
16148 | hrq->page_count); | |
4f774513 | 16149 | list_for_each_entry(dmabuf, &hrq->page_list, list) { |
49198b37 | 16150 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
16151 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
16152 | putPaddrLow(dmabuf->phys); | |
16153 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
16154 | putPaddrHigh(dmabuf->phys); | |
16155 | } | |
962bc51b JS |
16156 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
16157 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
16158 | ||
4f774513 JS |
16159 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
16160 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
16161 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
16162 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16163 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16164 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16165 | "2504 RQ_CREATE mailbox failed with " |
16166 | "status x%x add_status x%x, mbx status x%x\n", | |
16167 | shdr_status, shdr_add_status, rc); | |
16168 | status = -ENXIO; | |
16169 | goto out; | |
16170 | } | |
16171 | hrq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
16172 | if (hrq->queue_id == 0xFFFF) { | |
16173 | status = -ENXIO; | |
16174 | goto out; | |
16175 | } | |
962bc51b JS |
16176 | |
16177 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
16178 | hrq->db_format = bf_get(lpfc_mbx_rq_create_db_format, | |
16179 | &rq_create->u.response); | |
16180 | if ((hrq->db_format != LPFC_DB_LIST_FORMAT) && | |
16181 | (hrq->db_format != LPFC_DB_RING_FORMAT)) { | |
372c187b | 16182 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
962bc51b JS |
16183 | "3262 RQ [%d] doorbell format not " |
16184 | "supported: x%x\n", hrq->queue_id, | |
16185 | hrq->db_format); | |
16186 | status = -EINVAL; | |
16187 | goto out; | |
16188 | } | |
16189 | ||
16190 | pci_barset = bf_get(lpfc_mbx_rq_create_bar_set, | |
16191 | &rq_create->u.response); | |
16192 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset); | |
16193 | if (!bar_memmap_p) { | |
372c187b | 16194 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
962bc51b JS |
16195 | "3269 RQ[%d] failed to memmap pci " |
16196 | "barset:x%x\n", hrq->queue_id, | |
16197 | pci_barset); | |
16198 | status = -ENOMEM; | |
16199 | goto out; | |
16200 | } | |
16201 | ||
16202 | db_offset = rq_create->u.response.doorbell_offset; | |
16203 | if ((db_offset != LPFC_ULP0_RQ_DOORBELL) && | |
16204 | (db_offset != LPFC_ULP1_RQ_DOORBELL)) { | |
372c187b | 16205 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
962bc51b JS |
16206 | "3270 RQ[%d] doorbell offset not " |
16207 | "supported: x%x\n", hrq->queue_id, | |
16208 | db_offset); | |
16209 | status = -EINVAL; | |
16210 | goto out; | |
16211 | } | |
16212 | hrq->db_regaddr = bar_memmap_p + db_offset; | |
16213 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a22e7db3 JS |
16214 | "3266 RQ[qid:%d]: barset:x%x, offset:x%x, " |
16215 | "format:x%x\n", hrq->queue_id, pci_barset, | |
16216 | db_offset, hrq->db_format); | |
962bc51b JS |
16217 | } else { |
16218 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
16219 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
16220 | } | |
4f774513 | 16221 | hrq->type = LPFC_HRQ; |
2a622bfb | 16222 | hrq->assoc_qid = cq->queue_id; |
4f774513 JS |
16223 | hrq->subtype = subtype; |
16224 | hrq->host_index = 0; | |
16225 | hrq->hba_index = 0; | |
32517fc0 | 16226 | hrq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
4f774513 JS |
16227 | |
16228 | /* now create the data queue */ | |
16229 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16230 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
16231 | length, LPFC_SLI4_MBX_EMBED); | |
5a6f133e JS |
16232 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
16233 | phba->sli4_hba.pc_sli4_params.rqv); | |
16234 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
16235 | bf_set(lpfc_rq_context_rqe_count_1, | |
c31098ce | 16236 | &rq_create->u.request.context, hrq->entry_count); |
3c603be9 JS |
16237 | if (subtype == LPFC_NVMET) |
16238 | rq_create->u.request.context.buffer_size = | |
16239 | LPFC_NVMET_DATA_BUF_SIZE; | |
16240 | else | |
16241 | rq_create->u.request.context.buffer_size = | |
16242 | LPFC_DATA_BUF_SIZE; | |
c31098ce JS |
16243 | bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context, |
16244 | LPFC_RQE_SIZE_8); | |
16245 | bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context, | |
16246 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
5a6f133e JS |
16247 | } else { |
16248 | switch (drq->entry_count) { | |
16249 | default: | |
372c187b | 16250 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
5a6f133e JS |
16251 | "2536 Unsupported RQ count. (%d)\n", |
16252 | drq->entry_count); | |
4f4c1863 JS |
16253 | if (drq->entry_count < 512) { |
16254 | status = -EINVAL; | |
16255 | goto out; | |
16256 | } | |
5bd5f66c | 16257 | /* fall through - otherwise default to smallest count */ |
5a6f133e JS |
16258 | case 512: |
16259 | bf_set(lpfc_rq_context_rqe_count, | |
16260 | &rq_create->u.request.context, | |
16261 | LPFC_RQ_RING_SIZE_512); | |
16262 | break; | |
16263 | case 1024: | |
16264 | bf_set(lpfc_rq_context_rqe_count, | |
16265 | &rq_create->u.request.context, | |
16266 | LPFC_RQ_RING_SIZE_1024); | |
16267 | break; | |
16268 | case 2048: | |
16269 | bf_set(lpfc_rq_context_rqe_count, | |
16270 | &rq_create->u.request.context, | |
16271 | LPFC_RQ_RING_SIZE_2048); | |
16272 | break; | |
16273 | case 4096: | |
16274 | bf_set(lpfc_rq_context_rqe_count, | |
16275 | &rq_create->u.request.context, | |
16276 | LPFC_RQ_RING_SIZE_4096); | |
16277 | break; | |
16278 | } | |
3c603be9 JS |
16279 | if (subtype == LPFC_NVMET) |
16280 | bf_set(lpfc_rq_context_buf_size, | |
16281 | &rq_create->u.request.context, | |
16282 | LPFC_NVMET_DATA_BUF_SIZE); | |
16283 | else | |
16284 | bf_set(lpfc_rq_context_buf_size, | |
16285 | &rq_create->u.request.context, | |
16286 | LPFC_DATA_BUF_SIZE); | |
4f774513 JS |
16287 | } |
16288 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
16289 | cq->queue_id); | |
16290 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
16291 | drq->page_count); | |
4f774513 JS |
16292 | list_for_each_entry(dmabuf, &drq->page_list, list) { |
16293 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
16294 | putPaddrLow(dmabuf->phys); | |
16295 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
16296 | putPaddrHigh(dmabuf->phys); | |
16297 | } | |
962bc51b JS |
16298 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
16299 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
4f774513 JS |
16300 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
16301 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16302 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; | |
16303 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16304 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16305 | if (shdr_status || shdr_add_status || rc) { | |
16306 | status = -ENXIO; | |
16307 | goto out; | |
16308 | } | |
16309 | drq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
16310 | if (drq->queue_id == 0xFFFF) { | |
16311 | status = -ENXIO; | |
16312 | goto out; | |
16313 | } | |
16314 | drq->type = LPFC_DRQ; | |
2a622bfb | 16315 | drq->assoc_qid = cq->queue_id; |
4f774513 JS |
16316 | drq->subtype = subtype; |
16317 | drq->host_index = 0; | |
16318 | drq->hba_index = 0; | |
32517fc0 | 16319 | drq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
4f774513 JS |
16320 | |
16321 | /* link the header and data RQs onto the parent cq child list */ | |
16322 | list_add_tail(&hrq->list, &cq->child_list); | |
16323 | list_add_tail(&drq->list, &cq->child_list); | |
16324 | ||
16325 | out: | |
8fa38513 | 16326 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
16327 | return status; |
16328 | } | |
16329 | ||
2d7dbc4c JS |
16330 | /** |
16331 | * lpfc_mrq_create - Create MRQ Receive Queues on the HBA | |
16332 | * @phba: HBA structure that indicates port to create a queue on. | |
16333 | * @hrqp: The queue structure array to use to create the header receive queues. | |
16334 | * @drqp: The queue structure array to use to create the data receive queues. | |
16335 | * @cqp: The completion queue array to bind these receive queues to. | |
7af29d45 | 16336 | * @subtype: Functional purpose of the queue (MBOX, IO, ELS, NVMET, etc). |
2d7dbc4c JS |
16337 | * |
16338 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
16339 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
16340 | * to the HBA. | |
16341 | * | |
16342 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
16343 | * struct is used to get the entry count that is necessary to determine the | |
16344 | * number of pages to use for this queue. The @cq is used to indicate which | |
16345 | * completion queue to bind received buffers that are posted to these queues to. | |
16346 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
16347 | * receive queue pair. This function is asynchronous and will wait for the | |
16348 | * mailbox command to finish before continuing. | |
16349 | * | |
16350 | * On success this function will return a zero. If unable to allocate enough | |
16351 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
16352 | * fails this function will return -ENXIO. | |
16353 | **/ | |
16354 | int | |
16355 | lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, | |
16356 | struct lpfc_queue **drqp, struct lpfc_queue **cqp, | |
16357 | uint32_t subtype) | |
16358 | { | |
16359 | struct lpfc_queue *hrq, *drq, *cq; | |
16360 | struct lpfc_mbx_rq_create_v2 *rq_create; | |
16361 | struct lpfc_dmabuf *dmabuf; | |
16362 | LPFC_MBOXQ_t *mbox; | |
16363 | int rc, length, alloclen, status = 0; | |
16364 | int cnt, idx, numrq, page_idx = 0; | |
16365 | uint32_t shdr_status, shdr_add_status; | |
16366 | union lpfc_sli4_cfg_shdr *shdr; | |
16367 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
16368 | ||
16369 | numrq = phba->cfg_nvmet_mrq; | |
16370 | /* sanity check on array memory */ | |
16371 | if (!hrqp || !drqp || !cqp || !numrq) | |
16372 | return -ENODEV; | |
16373 | if (!phba->sli4_hba.pc_sli4_params.supported) | |
16374 | hw_page_size = SLI4_PAGE_SIZE; | |
16375 | ||
16376 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16377 | if (!mbox) | |
16378 | return -ENOMEM; | |
16379 | ||
16380 | length = sizeof(struct lpfc_mbx_rq_create_v2); | |
16381 | length += ((2 * numrq * hrqp[0]->page_count) * | |
16382 | sizeof(struct dma_address)); | |
16383 | ||
16384 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16385 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, length, | |
16386 | LPFC_SLI4_MBX_NEMBED); | |
16387 | if (alloclen < length) { | |
372c187b | 16388 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2d7dbc4c JS |
16389 | "3099 Allocated DMA memory size (%d) is " |
16390 | "less than the requested DMA memory size " | |
16391 | "(%d)\n", alloclen, length); | |
16392 | status = -ENOMEM; | |
16393 | goto out; | |
16394 | } | |
16395 | ||
16396 | ||
16397 | ||
16398 | rq_create = mbox->sge_array->addr[0]; | |
16399 | shdr = (union lpfc_sli4_cfg_shdr *)&rq_create->cfg_shdr; | |
16400 | ||
16401 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_Q_CREATE_VERSION_2); | |
16402 | cnt = 0; | |
16403 | ||
16404 | for (idx = 0; idx < numrq; idx++) { | |
16405 | hrq = hrqp[idx]; | |
16406 | drq = drqp[idx]; | |
16407 | cq = cqp[idx]; | |
16408 | ||
2d7dbc4c JS |
16409 | /* sanity check on queue memory */ |
16410 | if (!hrq || !drq || !cq) { | |
16411 | status = -ENODEV; | |
16412 | goto out; | |
16413 | } | |
16414 | ||
7aabe84b JS |
16415 | if (hrq->entry_count != drq->entry_count) { |
16416 | status = -EINVAL; | |
16417 | goto out; | |
16418 | } | |
16419 | ||
2d7dbc4c JS |
16420 | if (idx == 0) { |
16421 | bf_set(lpfc_mbx_rq_create_num_pages, | |
16422 | &rq_create->u.request, | |
16423 | hrq->page_count); | |
16424 | bf_set(lpfc_mbx_rq_create_rq_cnt, | |
16425 | &rq_create->u.request, (numrq * 2)); | |
16426 | bf_set(lpfc_mbx_rq_create_dnb, &rq_create->u.request, | |
16427 | 1); | |
16428 | bf_set(lpfc_rq_context_base_cq, | |
16429 | &rq_create->u.request.context, | |
16430 | cq->queue_id); | |
16431 | bf_set(lpfc_rq_context_data_size, | |
16432 | &rq_create->u.request.context, | |
3c603be9 | 16433 | LPFC_NVMET_DATA_BUF_SIZE); |
2d7dbc4c JS |
16434 | bf_set(lpfc_rq_context_hdr_size, |
16435 | &rq_create->u.request.context, | |
16436 | LPFC_HDR_BUF_SIZE); | |
16437 | bf_set(lpfc_rq_context_rqe_count_1, | |
16438 | &rq_create->u.request.context, | |
16439 | hrq->entry_count); | |
16440 | bf_set(lpfc_rq_context_rqe_size, | |
16441 | &rq_create->u.request.context, | |
16442 | LPFC_RQE_SIZE_8); | |
16443 | bf_set(lpfc_rq_context_page_size, | |
16444 | &rq_create->u.request.context, | |
16445 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
16446 | } | |
16447 | rc = 0; | |
16448 | list_for_each_entry(dmabuf, &hrq->page_list, list) { | |
16449 | memset(dmabuf->virt, 0, hw_page_size); | |
16450 | cnt = page_idx + dmabuf->buffer_tag; | |
16451 | rq_create->u.request.page[cnt].addr_lo = | |
16452 | putPaddrLow(dmabuf->phys); | |
16453 | rq_create->u.request.page[cnt].addr_hi = | |
16454 | putPaddrHigh(dmabuf->phys); | |
16455 | rc++; | |
16456 | } | |
16457 | page_idx += rc; | |
16458 | ||
16459 | rc = 0; | |
16460 | list_for_each_entry(dmabuf, &drq->page_list, list) { | |
16461 | memset(dmabuf->virt, 0, hw_page_size); | |
16462 | cnt = page_idx + dmabuf->buffer_tag; | |
16463 | rq_create->u.request.page[cnt].addr_lo = | |
16464 | putPaddrLow(dmabuf->phys); | |
16465 | rq_create->u.request.page[cnt].addr_hi = | |
16466 | putPaddrHigh(dmabuf->phys); | |
16467 | rc++; | |
16468 | } | |
16469 | page_idx += rc; | |
16470 | ||
16471 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
16472 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
16473 | hrq->type = LPFC_HRQ; | |
16474 | hrq->assoc_qid = cq->queue_id; | |
16475 | hrq->subtype = subtype; | |
16476 | hrq->host_index = 0; | |
16477 | hrq->hba_index = 0; | |
32517fc0 | 16478 | hrq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
2d7dbc4c JS |
16479 | |
16480 | drq->db_format = LPFC_DB_RING_FORMAT; | |
16481 | drq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
16482 | drq->type = LPFC_DRQ; | |
16483 | drq->assoc_qid = cq->queue_id; | |
16484 | drq->subtype = subtype; | |
16485 | drq->host_index = 0; | |
16486 | drq->hba_index = 0; | |
32517fc0 | 16487 | drq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
2d7dbc4c JS |
16488 | |
16489 | list_add_tail(&hrq->list, &cq->child_list); | |
16490 | list_add_tail(&drq->list, &cq->child_list); | |
16491 | } | |
16492 | ||
16493 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16494 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16495 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16496 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16497 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16498 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2d7dbc4c JS |
16499 | "3120 RQ_CREATE mailbox failed with " |
16500 | "status x%x add_status x%x, mbx status x%x\n", | |
16501 | shdr_status, shdr_add_status, rc); | |
16502 | status = -ENXIO; | |
16503 | goto out; | |
16504 | } | |
16505 | rc = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
16506 | if (rc == 0xFFFF) { | |
16507 | status = -ENXIO; | |
16508 | goto out; | |
16509 | } | |
16510 | ||
16511 | /* Initialize all RQs with associated queue id */ | |
16512 | for (idx = 0; idx < numrq; idx++) { | |
16513 | hrq = hrqp[idx]; | |
16514 | hrq->queue_id = rc + (2 * idx); | |
16515 | drq = drqp[idx]; | |
16516 | drq->queue_id = rc + (2 * idx) + 1; | |
16517 | } | |
16518 | ||
16519 | out: | |
16520 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16521 | return status; | |
16522 | } | |
16523 | ||
4f774513 JS |
16524 | /** |
16525 | * lpfc_eq_destroy - Destroy an event Queue on the HBA | |
7af29d45 | 16526 | * @phba: HBA structure that indicates port to destroy a queue on. |
4f774513 JS |
16527 | * @eq: The queue structure associated with the queue to destroy. |
16528 | * | |
16529 | * This function destroys a queue, as detailed in @eq by sending an mailbox | |
16530 | * command, specific to the type of queue, to the HBA. | |
16531 | * | |
16532 | * The @eq struct is used to get the queue ID of the queue to destroy. | |
16533 | * | |
16534 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16535 | * command fails this function will return -ENXIO. |
4f774513 | 16536 | **/ |
a2fc4aef | 16537 | int |
4f774513 JS |
16538 | lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq) |
16539 | { | |
16540 | LPFC_MBOXQ_t *mbox; | |
16541 | int rc, length, status = 0; | |
16542 | uint32_t shdr_status, shdr_add_status; | |
16543 | union lpfc_sli4_cfg_shdr *shdr; | |
16544 | ||
2e90f4b5 | 16545 | /* sanity check on queue memory */ |
4f774513 JS |
16546 | if (!eq) |
16547 | return -ENODEV; | |
32517fc0 | 16548 | |
4f774513 JS |
16549 | mbox = mempool_alloc(eq->phba->mbox_mem_pool, GFP_KERNEL); |
16550 | if (!mbox) | |
16551 | return -ENOMEM; | |
16552 | length = (sizeof(struct lpfc_mbx_eq_destroy) - | |
16553 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16554 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16555 | LPFC_MBOX_OPCODE_EQ_DESTROY, | |
16556 | length, LPFC_SLI4_MBX_EMBED); | |
16557 | bf_set(lpfc_mbx_eq_destroy_q_id, &mbox->u.mqe.un.eq_destroy.u.request, | |
16558 | eq->queue_id); | |
16559 | mbox->vport = eq->phba->pport; | |
16560 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16561 | ||
16562 | rc = lpfc_sli_issue_mbox(eq->phba, mbox, MBX_POLL); | |
16563 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16564 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16565 | &mbox->u.mqe.un.eq_destroy.header.cfg_shdr; | |
16566 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16567 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16568 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16569 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16570 | "2505 EQ_DESTROY mailbox failed with " |
16571 | "status x%x add_status x%x, mbx status x%x\n", | |
16572 | shdr_status, shdr_add_status, rc); | |
16573 | status = -ENXIO; | |
16574 | } | |
16575 | ||
16576 | /* Remove eq from any list */ | |
16577 | list_del_init(&eq->list); | |
8fa38513 | 16578 | mempool_free(mbox, eq->phba->mbox_mem_pool); |
4f774513 JS |
16579 | return status; |
16580 | } | |
16581 | ||
16582 | /** | |
16583 | * lpfc_cq_destroy - Destroy a Completion Queue on the HBA | |
7af29d45 | 16584 | * @phba: HBA structure that indicates port to destroy a queue on. |
4f774513 JS |
16585 | * @cq: The queue structure associated with the queue to destroy. |
16586 | * | |
16587 | * This function destroys a queue, as detailed in @cq by sending an mailbox | |
16588 | * command, specific to the type of queue, to the HBA. | |
16589 | * | |
16590 | * The @cq struct is used to get the queue ID of the queue to destroy. | |
16591 | * | |
16592 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16593 | * command fails this function will return -ENXIO. |
4f774513 | 16594 | **/ |
a2fc4aef | 16595 | int |
4f774513 JS |
16596 | lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq) |
16597 | { | |
16598 | LPFC_MBOXQ_t *mbox; | |
16599 | int rc, length, status = 0; | |
16600 | uint32_t shdr_status, shdr_add_status; | |
16601 | union lpfc_sli4_cfg_shdr *shdr; | |
16602 | ||
2e90f4b5 | 16603 | /* sanity check on queue memory */ |
4f774513 JS |
16604 | if (!cq) |
16605 | return -ENODEV; | |
16606 | mbox = mempool_alloc(cq->phba->mbox_mem_pool, GFP_KERNEL); | |
16607 | if (!mbox) | |
16608 | return -ENOMEM; | |
16609 | length = (sizeof(struct lpfc_mbx_cq_destroy) - | |
16610 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16611 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16612 | LPFC_MBOX_OPCODE_CQ_DESTROY, | |
16613 | length, LPFC_SLI4_MBX_EMBED); | |
16614 | bf_set(lpfc_mbx_cq_destroy_q_id, &mbox->u.mqe.un.cq_destroy.u.request, | |
16615 | cq->queue_id); | |
16616 | mbox->vport = cq->phba->pport; | |
16617 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16618 | rc = lpfc_sli_issue_mbox(cq->phba, mbox, MBX_POLL); | |
16619 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16620 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16621 | &mbox->u.mqe.un.wq_create.header.cfg_shdr; | |
16622 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16623 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16624 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16625 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16626 | "2506 CQ_DESTROY mailbox failed with " |
16627 | "status x%x add_status x%x, mbx status x%x\n", | |
16628 | shdr_status, shdr_add_status, rc); | |
16629 | status = -ENXIO; | |
16630 | } | |
16631 | /* Remove cq from any list */ | |
16632 | list_del_init(&cq->list); | |
8fa38513 | 16633 | mempool_free(mbox, cq->phba->mbox_mem_pool); |
4f774513 JS |
16634 | return status; |
16635 | } | |
16636 | ||
04c68496 JS |
16637 | /** |
16638 | * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA | |
7af29d45 LJ |
16639 | * @phba: HBA structure that indicates port to destroy a queue on. |
16640 | * @mq: The queue structure associated with the queue to destroy. | |
04c68496 JS |
16641 | * |
16642 | * This function destroys a queue, as detailed in @mq by sending an mailbox | |
16643 | * command, specific to the type of queue, to the HBA. | |
16644 | * | |
16645 | * The @mq struct is used to get the queue ID of the queue to destroy. | |
16646 | * | |
16647 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16648 | * command fails this function will return -ENXIO. |
04c68496 | 16649 | **/ |
a2fc4aef | 16650 | int |
04c68496 JS |
16651 | lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq) |
16652 | { | |
16653 | LPFC_MBOXQ_t *mbox; | |
16654 | int rc, length, status = 0; | |
16655 | uint32_t shdr_status, shdr_add_status; | |
16656 | union lpfc_sli4_cfg_shdr *shdr; | |
16657 | ||
2e90f4b5 | 16658 | /* sanity check on queue memory */ |
04c68496 JS |
16659 | if (!mq) |
16660 | return -ENODEV; | |
16661 | mbox = mempool_alloc(mq->phba->mbox_mem_pool, GFP_KERNEL); | |
16662 | if (!mbox) | |
16663 | return -ENOMEM; | |
16664 | length = (sizeof(struct lpfc_mbx_mq_destroy) - | |
16665 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16666 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16667 | LPFC_MBOX_OPCODE_MQ_DESTROY, | |
16668 | length, LPFC_SLI4_MBX_EMBED); | |
16669 | bf_set(lpfc_mbx_mq_destroy_q_id, &mbox->u.mqe.un.mq_destroy.u.request, | |
16670 | mq->queue_id); | |
16671 | mbox->vport = mq->phba->pport; | |
16672 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16673 | rc = lpfc_sli_issue_mbox(mq->phba, mbox, MBX_POLL); | |
16674 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16675 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16676 | &mbox->u.mqe.un.mq_destroy.header.cfg_shdr; | |
16677 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16678 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16679 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16680 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
04c68496 JS |
16681 | "2507 MQ_DESTROY mailbox failed with " |
16682 | "status x%x add_status x%x, mbx status x%x\n", | |
16683 | shdr_status, shdr_add_status, rc); | |
16684 | status = -ENXIO; | |
16685 | } | |
16686 | /* Remove mq from any list */ | |
16687 | list_del_init(&mq->list); | |
8fa38513 | 16688 | mempool_free(mbox, mq->phba->mbox_mem_pool); |
04c68496 JS |
16689 | return status; |
16690 | } | |
16691 | ||
4f774513 JS |
16692 | /** |
16693 | * lpfc_wq_destroy - Destroy a Work Queue on the HBA | |
7af29d45 | 16694 | * @phba: HBA structure that indicates port to destroy a queue on. |
4f774513 JS |
16695 | * @wq: The queue structure associated with the queue to destroy. |
16696 | * | |
16697 | * This function destroys a queue, as detailed in @wq by sending an mailbox | |
16698 | * command, specific to the type of queue, to the HBA. | |
16699 | * | |
16700 | * The @wq struct is used to get the queue ID of the queue to destroy. | |
16701 | * | |
16702 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16703 | * command fails this function will return -ENXIO. |
4f774513 | 16704 | **/ |
a2fc4aef | 16705 | int |
4f774513 JS |
16706 | lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq) |
16707 | { | |
16708 | LPFC_MBOXQ_t *mbox; | |
16709 | int rc, length, status = 0; | |
16710 | uint32_t shdr_status, shdr_add_status; | |
16711 | union lpfc_sli4_cfg_shdr *shdr; | |
16712 | ||
2e90f4b5 | 16713 | /* sanity check on queue memory */ |
4f774513 JS |
16714 | if (!wq) |
16715 | return -ENODEV; | |
16716 | mbox = mempool_alloc(wq->phba->mbox_mem_pool, GFP_KERNEL); | |
16717 | if (!mbox) | |
16718 | return -ENOMEM; | |
16719 | length = (sizeof(struct lpfc_mbx_wq_destroy) - | |
16720 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16721 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16722 | LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY, | |
16723 | length, LPFC_SLI4_MBX_EMBED); | |
16724 | bf_set(lpfc_mbx_wq_destroy_q_id, &mbox->u.mqe.un.wq_destroy.u.request, | |
16725 | wq->queue_id); | |
16726 | mbox->vport = wq->phba->pport; | |
16727 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16728 | rc = lpfc_sli_issue_mbox(wq->phba, mbox, MBX_POLL); | |
16729 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16730 | &mbox->u.mqe.un.wq_destroy.header.cfg_shdr; | |
16731 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16732 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16733 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16734 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16735 | "2508 WQ_DESTROY mailbox failed with " |
16736 | "status x%x add_status x%x, mbx status x%x\n", | |
16737 | shdr_status, shdr_add_status, rc); | |
16738 | status = -ENXIO; | |
16739 | } | |
16740 | /* Remove wq from any list */ | |
16741 | list_del_init(&wq->list); | |
d1f525aa JS |
16742 | kfree(wq->pring); |
16743 | wq->pring = NULL; | |
8fa38513 | 16744 | mempool_free(mbox, wq->phba->mbox_mem_pool); |
4f774513 JS |
16745 | return status; |
16746 | } | |
16747 | ||
16748 | /** | |
16749 | * lpfc_rq_destroy - Destroy a Receive Queue on the HBA | |
7af29d45 LJ |
16750 | * @phba: HBA structure that indicates port to destroy a queue on. |
16751 | * @hrq: The queue structure associated with the queue to destroy. | |
16752 | * @drq: The queue structure associated with the queue to destroy. | |
4f774513 JS |
16753 | * |
16754 | * This function destroys a queue, as detailed in @rq by sending an mailbox | |
16755 | * command, specific to the type of queue, to the HBA. | |
16756 | * | |
16757 | * The @rq struct is used to get the queue ID of the queue to destroy. | |
16758 | * | |
16759 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16760 | * command fails this function will return -ENXIO. |
4f774513 | 16761 | **/ |
a2fc4aef | 16762 | int |
4f774513 JS |
16763 | lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
16764 | struct lpfc_queue *drq) | |
16765 | { | |
16766 | LPFC_MBOXQ_t *mbox; | |
16767 | int rc, length, status = 0; | |
16768 | uint32_t shdr_status, shdr_add_status; | |
16769 | union lpfc_sli4_cfg_shdr *shdr; | |
16770 | ||
2e90f4b5 | 16771 | /* sanity check on queue memory */ |
4f774513 JS |
16772 | if (!hrq || !drq) |
16773 | return -ENODEV; | |
16774 | mbox = mempool_alloc(hrq->phba->mbox_mem_pool, GFP_KERNEL); | |
16775 | if (!mbox) | |
16776 | return -ENOMEM; | |
16777 | length = (sizeof(struct lpfc_mbx_rq_destroy) - | |
fedd3b7b | 16778 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
4f774513 JS |
16779 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, |
16780 | LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY, | |
16781 | length, LPFC_SLI4_MBX_EMBED); | |
16782 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
16783 | hrq->queue_id); | |
16784 | mbox->vport = hrq->phba->pport; | |
16785 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16786 | rc = lpfc_sli_issue_mbox(hrq->phba, mbox, MBX_POLL); | |
16787 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16788 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16789 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
16790 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16791 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16792 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16793 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16794 | "2509 RQ_DESTROY mailbox failed with " |
16795 | "status x%x add_status x%x, mbx status x%x\n", | |
16796 | shdr_status, shdr_add_status, rc); | |
16797 | if (rc != MBX_TIMEOUT) | |
16798 | mempool_free(mbox, hrq->phba->mbox_mem_pool); | |
16799 | return -ENXIO; | |
16800 | } | |
16801 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
16802 | drq->queue_id); | |
16803 | rc = lpfc_sli_issue_mbox(drq->phba, mbox, MBX_POLL); | |
16804 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16805 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
16806 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16807 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16808 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16809 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16810 | "2510 RQ_DESTROY mailbox failed with " |
16811 | "status x%x add_status x%x, mbx status x%x\n", | |
16812 | shdr_status, shdr_add_status, rc); | |
16813 | status = -ENXIO; | |
16814 | } | |
16815 | list_del_init(&hrq->list); | |
16816 | list_del_init(&drq->list); | |
8fa38513 | 16817 | mempool_free(mbox, hrq->phba->mbox_mem_pool); |
4f774513 JS |
16818 | return status; |
16819 | } | |
16820 | ||
16821 | /** | |
16822 | * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA | |
16823 | * @phba: The virtual port for which this call being executed. | |
16824 | * @pdma_phys_addr0: Physical address of the 1st SGL page. | |
16825 | * @pdma_phys_addr1: Physical address of the 2nd SGL page. | |
16826 | * @xritag: the xritag that ties this io to the SGL pages. | |
16827 | * | |
16828 | * This routine will post the sgl pages for the IO that has the xritag | |
16829 | * that is in the iocbq structure. The xritag is assigned during iocbq | |
16830 | * creation and persists for as long as the driver is loaded. | |
16831 | * if the caller has fewer than 256 scatter gather segments to map then | |
16832 | * pdma_phys_addr1 should be 0. | |
16833 | * If the caller needs to map more than 256 scatter gather segment then | |
16834 | * pdma_phys_addr1 should be a valid physical address. | |
16835 | * physical address for SGLs must be 64 byte aligned. | |
16836 | * If you are going to map 2 SGL's then the first one must have 256 entries | |
16837 | * the second sgl can have between 1 and 256 entries. | |
16838 | * | |
16839 | * Return codes: | |
16840 | * 0 - Success | |
16841 | * -ENXIO, -ENOMEM - Failure | |
16842 | **/ | |
16843 | int | |
16844 | lpfc_sli4_post_sgl(struct lpfc_hba *phba, | |
16845 | dma_addr_t pdma_phys_addr0, | |
16846 | dma_addr_t pdma_phys_addr1, | |
16847 | uint16_t xritag) | |
16848 | { | |
16849 | struct lpfc_mbx_post_sgl_pages *post_sgl_pages; | |
16850 | LPFC_MBOXQ_t *mbox; | |
16851 | int rc; | |
16852 | uint32_t shdr_status, shdr_add_status; | |
6d368e53 | 16853 | uint32_t mbox_tmo; |
4f774513 JS |
16854 | union lpfc_sli4_cfg_shdr *shdr; |
16855 | ||
16856 | if (xritag == NO_XRI) { | |
372c187b | 16857 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16858 | "0364 Invalid param:\n"); |
16859 | return -EINVAL; | |
16860 | } | |
16861 | ||
16862 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16863 | if (!mbox) | |
16864 | return -ENOMEM; | |
16865 | ||
16866 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16867 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
16868 | sizeof(struct lpfc_mbx_post_sgl_pages) - | |
fedd3b7b | 16869 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); |
4f774513 JS |
16870 | |
16871 | post_sgl_pages = (struct lpfc_mbx_post_sgl_pages *) | |
16872 | &mbox->u.mqe.un.post_sgl_pages; | |
16873 | bf_set(lpfc_post_sgl_pages_xri, post_sgl_pages, xritag); | |
16874 | bf_set(lpfc_post_sgl_pages_xricnt, post_sgl_pages, 1); | |
16875 | ||
16876 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_lo = | |
16877 | cpu_to_le32(putPaddrLow(pdma_phys_addr0)); | |
16878 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_hi = | |
16879 | cpu_to_le32(putPaddrHigh(pdma_phys_addr0)); | |
16880 | ||
16881 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_lo = | |
16882 | cpu_to_le32(putPaddrLow(pdma_phys_addr1)); | |
16883 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_hi = | |
16884 | cpu_to_le32(putPaddrHigh(pdma_phys_addr1)); | |
16885 | if (!phba->sli4_hba.intr_enable) | |
16886 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6d368e53 | 16887 | else { |
a183a15f | 16888 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
16889 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16890 | } | |
4f774513 JS |
16891 | /* The IOCTL status is embedded in the mailbox subheader. */ |
16892 | shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr; | |
16893 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16894 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16895 | if (rc != MBX_TIMEOUT) | |
16896 | mempool_free(mbox, phba->mbox_mem_pool); | |
16897 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 16898 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
16899 | "2511 POST_SGL mailbox failed with " |
16900 | "status x%x add_status x%x, mbx status x%x\n", | |
16901 | shdr_status, shdr_add_status, rc); | |
4f774513 JS |
16902 | } |
16903 | return 0; | |
16904 | } | |
4f774513 | 16905 | |
6d368e53 | 16906 | /** |
88a2cfbb | 16907 | * lpfc_sli4_alloc_xri - Get an available rpi in the device's range |
6d368e53 JS |
16908 | * @phba: pointer to lpfc hba data structure. |
16909 | * | |
16910 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb JS |
16911 | * HBA consistent with the SLI-4 interface spec. This routine |
16912 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to | |
16913 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6d368e53 | 16914 | * |
88a2cfbb JS |
16915 | * Returns |
16916 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful | |
16917 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. | |
16918 | **/ | |
5d8b8167 | 16919 | static uint16_t |
6d368e53 JS |
16920 | lpfc_sli4_alloc_xri(struct lpfc_hba *phba) |
16921 | { | |
16922 | unsigned long xri; | |
16923 | ||
16924 | /* | |
16925 | * Fetch the next logical xri. Because this index is logical, | |
16926 | * the driver starts at 0 each time. | |
16927 | */ | |
16928 | spin_lock_irq(&phba->hbalock); | |
16929 | xri = find_next_zero_bit(phba->sli4_hba.xri_bmask, | |
16930 | phba->sli4_hba.max_cfg_param.max_xri, 0); | |
16931 | if (xri >= phba->sli4_hba.max_cfg_param.max_xri) { | |
16932 | spin_unlock_irq(&phba->hbalock); | |
16933 | return NO_XRI; | |
16934 | } else { | |
16935 | set_bit(xri, phba->sli4_hba.xri_bmask); | |
16936 | phba->sli4_hba.max_cfg_param.xri_used++; | |
6d368e53 | 16937 | } |
6d368e53 JS |
16938 | spin_unlock_irq(&phba->hbalock); |
16939 | return xri; | |
16940 | } | |
16941 | ||
16942 | /** | |
16943 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
16944 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 16945 | * @xri: xri to release. |
6d368e53 JS |
16946 | * |
16947 | * This routine is invoked to release an xri to the pool of | |
16948 | * available rpis maintained by the driver. | |
16949 | **/ | |
5d8b8167 | 16950 | static void |
6d368e53 JS |
16951 | __lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) |
16952 | { | |
16953 | if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) { | |
6d368e53 JS |
16954 | phba->sli4_hba.max_cfg_param.xri_used--; |
16955 | } | |
16956 | } | |
16957 | ||
16958 | /** | |
16959 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
16960 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 16961 | * @xri: xri to release. |
6d368e53 JS |
16962 | * |
16963 | * This routine is invoked to release an xri to the pool of | |
16964 | * available rpis maintained by the driver. | |
16965 | **/ | |
16966 | void | |
16967 | lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) | |
16968 | { | |
16969 | spin_lock_irq(&phba->hbalock); | |
16970 | __lpfc_sli4_free_xri(phba, xri); | |
16971 | spin_unlock_irq(&phba->hbalock); | |
16972 | } | |
16973 | ||
4f774513 JS |
16974 | /** |
16975 | * lpfc_sli4_next_xritag - Get an xritag for the io | |
16976 | * @phba: Pointer to HBA context object. | |
16977 | * | |
16978 | * This function gets an xritag for the iocb. If there is no unused xritag | |
16979 | * it will return 0xffff. | |
16980 | * The function returns the allocated xritag if successful, else returns zero. | |
16981 | * Zero is not a valid xritag. | |
16982 | * The caller is not required to hold any lock. | |
16983 | **/ | |
16984 | uint16_t | |
16985 | lpfc_sli4_next_xritag(struct lpfc_hba *phba) | |
16986 | { | |
6d368e53 | 16987 | uint16_t xri_index; |
4f774513 | 16988 | |
6d368e53 | 16989 | xri_index = lpfc_sli4_alloc_xri(phba); |
81378052 JS |
16990 | if (xri_index == NO_XRI) |
16991 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
16992 | "2004 Failed to allocate XRI.last XRITAG is %d" | |
16993 | " Max XRI is %d, Used XRI is %d\n", | |
16994 | xri_index, | |
16995 | phba->sli4_hba.max_cfg_param.max_xri, | |
16996 | phba->sli4_hba.max_cfg_param.xri_used); | |
16997 | return xri_index; | |
4f774513 JS |
16998 | } |
16999 | ||
17000 | /** | |
895427bd | 17001 | * lpfc_sli4_post_sgl_list - post a block of ELS sgls to the port. |
4f774513 | 17002 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 | 17003 | * @post_sgl_list: pointer to els sgl entry list. |
7af29d45 | 17004 | * @post_cnt: number of els sgl entries on the list. |
4f774513 JS |
17005 | * |
17006 | * This routine is invoked to post a block of driver's sgl pages to the | |
17007 | * HBA using non-embedded mailbox command. No Lock is held. This routine | |
17008 | * is only called when the driver is loading and after all IO has been | |
17009 | * stopped. | |
17010 | **/ | |
8a9d2e80 | 17011 | static int |
895427bd | 17012 | lpfc_sli4_post_sgl_list(struct lpfc_hba *phba, |
8a9d2e80 JS |
17013 | struct list_head *post_sgl_list, |
17014 | int post_cnt) | |
4f774513 | 17015 | { |
8a9d2e80 | 17016 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
4f774513 JS |
17017 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
17018 | struct sgl_page_pairs *sgl_pg_pairs; | |
17019 | void *viraddr; | |
17020 | LPFC_MBOXQ_t *mbox; | |
17021 | uint32_t reqlen, alloclen, pg_pairs; | |
17022 | uint32_t mbox_tmo; | |
8a9d2e80 JS |
17023 | uint16_t xritag_start = 0; |
17024 | int rc = 0; | |
4f774513 JS |
17025 | uint32_t shdr_status, shdr_add_status; |
17026 | union lpfc_sli4_cfg_shdr *shdr; | |
17027 | ||
895427bd | 17028 | reqlen = post_cnt * sizeof(struct sgl_page_pairs) + |
4f774513 | 17029 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 17030 | if (reqlen > SLI4_PAGE_SIZE) { |
372c187b | 17031 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
17032 | "2559 Block sgl registration required DMA " |
17033 | "size (%d) great than a page\n", reqlen); | |
17034 | return -ENOMEM; | |
17035 | } | |
895427bd | 17036 | |
4f774513 | 17037 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6d368e53 | 17038 | if (!mbox) |
4f774513 | 17039 | return -ENOMEM; |
4f774513 JS |
17040 | |
17041 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
17042 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
17043 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
17044 | LPFC_SLI4_MBX_NEMBED); | |
17045 | ||
17046 | if (alloclen < reqlen) { | |
372c187b | 17047 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
17048 | "0285 Allocated DMA memory size (%d) is " |
17049 | "less than the requested DMA memory " | |
17050 | "size (%d)\n", alloclen, reqlen); | |
17051 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
17052 | return -ENOMEM; | |
17053 | } | |
4f774513 | 17054 | /* Set up the SGL pages in the non-embedded DMA pages */ |
6d368e53 | 17055 | viraddr = mbox->sge_array->addr[0]; |
4f774513 JS |
17056 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; |
17057 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
17058 | ||
8a9d2e80 JS |
17059 | pg_pairs = 0; |
17060 | list_for_each_entry_safe(sglq_entry, sglq_next, post_sgl_list, list) { | |
4f774513 JS |
17061 | /* Set up the sge entry */ |
17062 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
17063 | cpu_to_le32(putPaddrLow(sglq_entry->phys)); | |
17064 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
17065 | cpu_to_le32(putPaddrHigh(sglq_entry->phys)); | |
17066 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
17067 | cpu_to_le32(putPaddrLow(0)); | |
17068 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
17069 | cpu_to_le32(putPaddrHigh(0)); | |
6d368e53 | 17070 | |
4f774513 JS |
17071 | /* Keep the first xritag on the list */ |
17072 | if (pg_pairs == 0) | |
17073 | xritag_start = sglq_entry->sli4_xritag; | |
17074 | sgl_pg_pairs++; | |
8a9d2e80 | 17075 | pg_pairs++; |
4f774513 | 17076 | } |
6d368e53 JS |
17077 | |
17078 | /* Complete initialization and perform endian conversion. */ | |
4f774513 | 17079 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); |
895427bd | 17080 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, post_cnt); |
4f774513 | 17081 | sgl->word0 = cpu_to_le32(sgl->word0); |
895427bd | 17082 | |
4f774513 JS |
17083 | if (!phba->sli4_hba.intr_enable) |
17084 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
17085 | else { | |
a183a15f | 17086 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
17087 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
17088 | } | |
17089 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
17090 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
17091 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
17092 | if (rc != MBX_TIMEOUT) | |
17093 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
17094 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 17095 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
4f774513 JS |
17096 | "2513 POST_SGL_BLOCK mailbox command failed " |
17097 | "status x%x add_status x%x mbx status x%x\n", | |
17098 | shdr_status, shdr_add_status, rc); | |
17099 | rc = -ENXIO; | |
17100 | } | |
17101 | return rc; | |
17102 | } | |
17103 | ||
17104 | /** | |
5e5b511d | 17105 | * lpfc_sli4_post_io_sgl_block - post a block of nvme sgl list to firmware |
4f774513 | 17106 | * @phba: pointer to lpfc hba data structure. |
0794d601 | 17107 | * @nblist: pointer to nvme buffer list. |
4f774513 JS |
17108 | * @count: number of scsi buffers on the list. |
17109 | * | |
17110 | * This routine is invoked to post a block of @count scsi sgl pages from a | |
0794d601 | 17111 | * SCSI buffer list @nblist to the HBA using non-embedded mailbox command. |
4f774513 JS |
17112 | * No Lock is held. |
17113 | * | |
17114 | **/ | |
0794d601 | 17115 | static int |
5e5b511d JS |
17116 | lpfc_sli4_post_io_sgl_block(struct lpfc_hba *phba, struct list_head *nblist, |
17117 | int count) | |
4f774513 | 17118 | { |
c490850a | 17119 | struct lpfc_io_buf *lpfc_ncmd; |
4f774513 JS |
17120 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
17121 | struct sgl_page_pairs *sgl_pg_pairs; | |
17122 | void *viraddr; | |
17123 | LPFC_MBOXQ_t *mbox; | |
17124 | uint32_t reqlen, alloclen, pg_pairs; | |
17125 | uint32_t mbox_tmo; | |
17126 | uint16_t xritag_start = 0; | |
17127 | int rc = 0; | |
17128 | uint32_t shdr_status, shdr_add_status; | |
17129 | dma_addr_t pdma_phys_bpl1; | |
17130 | union lpfc_sli4_cfg_shdr *shdr; | |
17131 | ||
17132 | /* Calculate the requested length of the dma memory */ | |
8a9d2e80 | 17133 | reqlen = count * sizeof(struct sgl_page_pairs) + |
4f774513 | 17134 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 17135 | if (reqlen > SLI4_PAGE_SIZE) { |
4f774513 | 17136 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
0794d601 | 17137 | "6118 Block sgl registration required DMA " |
4f774513 JS |
17138 | "size (%d) great than a page\n", reqlen); |
17139 | return -ENOMEM; | |
17140 | } | |
17141 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17142 | if (!mbox) { | |
372c187b | 17143 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0794d601 | 17144 | "6119 Failed to allocate mbox cmd memory\n"); |
4f774513 JS |
17145 | return -ENOMEM; |
17146 | } | |
17147 | ||
17148 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
17149 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
0794d601 JS |
17150 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, |
17151 | reqlen, LPFC_SLI4_MBX_NEMBED); | |
4f774513 JS |
17152 | |
17153 | if (alloclen < reqlen) { | |
372c187b | 17154 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0794d601 | 17155 | "6120 Allocated DMA memory size (%d) is " |
4f774513 JS |
17156 | "less than the requested DMA memory " |
17157 | "size (%d)\n", alloclen, reqlen); | |
17158 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
17159 | return -ENOMEM; | |
17160 | } | |
6d368e53 | 17161 | |
4f774513 | 17162 | /* Get the first SGE entry from the non-embedded DMA memory */ |
4f774513 JS |
17163 | viraddr = mbox->sge_array->addr[0]; |
17164 | ||
17165 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
17166 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
17167 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
17168 | ||
17169 | pg_pairs = 0; | |
0794d601 | 17170 | list_for_each_entry(lpfc_ncmd, nblist, list) { |
4f774513 JS |
17171 | /* Set up the sge entry */ |
17172 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
0794d601 | 17173 | cpu_to_le32(putPaddrLow(lpfc_ncmd->dma_phys_sgl)); |
4f774513 | 17174 | sgl_pg_pairs->sgl_pg0_addr_hi = |
0794d601 | 17175 | cpu_to_le32(putPaddrHigh(lpfc_ncmd->dma_phys_sgl)); |
4f774513 | 17176 | if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) |
0794d601 JS |
17177 | pdma_phys_bpl1 = lpfc_ncmd->dma_phys_sgl + |
17178 | SGL_PAGE_SIZE; | |
4f774513 JS |
17179 | else |
17180 | pdma_phys_bpl1 = 0; | |
17181 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
17182 | cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); | |
17183 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
17184 | cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); | |
17185 | /* Keep the first xritag on the list */ | |
17186 | if (pg_pairs == 0) | |
0794d601 | 17187 | xritag_start = lpfc_ncmd->cur_iocbq.sli4_xritag; |
4f774513 JS |
17188 | sgl_pg_pairs++; |
17189 | pg_pairs++; | |
17190 | } | |
17191 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); | |
17192 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); | |
17193 | /* Perform endian conversion if necessary */ | |
17194 | sgl->word0 = cpu_to_le32(sgl->word0); | |
17195 | ||
0794d601 | 17196 | if (!phba->sli4_hba.intr_enable) { |
4f774513 | 17197 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
0794d601 | 17198 | } else { |
a183a15f | 17199 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
17200 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
17201 | } | |
0794d601 | 17202 | shdr = (union lpfc_sli4_cfg_shdr *)&sgl->cfg_shdr; |
4f774513 JS |
17203 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
17204 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
17205 | if (rc != MBX_TIMEOUT) | |
17206 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
17207 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 17208 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
0794d601 | 17209 | "6125 POST_SGL_BLOCK mailbox command failed " |
4f774513 JS |
17210 | "status x%x add_status x%x mbx status x%x\n", |
17211 | shdr_status, shdr_add_status, rc); | |
17212 | rc = -ENXIO; | |
17213 | } | |
17214 | return rc; | |
17215 | } | |
17216 | ||
0794d601 | 17217 | /** |
5e5b511d | 17218 | * lpfc_sli4_post_io_sgl_list - Post blocks of nvme buffer sgls from a list |
0794d601 JS |
17219 | * @phba: pointer to lpfc hba data structure. |
17220 | * @post_nblist: pointer to the nvme buffer list. | |
7af29d45 | 17221 | * @sb_count: number of nvme buffers. |
0794d601 JS |
17222 | * |
17223 | * This routine walks a list of nvme buffers that was passed in. It attempts | |
17224 | * to construct blocks of nvme buffer sgls which contains contiguous xris and | |
17225 | * uses the non-embedded SGL block post mailbox commands to post to the port. | |
17226 | * For single NVME buffer sgl with non-contiguous xri, if any, it shall use | |
17227 | * embedded SGL post mailbox command for posting. The @post_nblist passed in | |
17228 | * must be local list, thus no lock is needed when manipulate the list. | |
17229 | * | |
17230 | * Returns: 0 = failure, non-zero number of successfully posted buffers. | |
17231 | **/ | |
17232 | int | |
5e5b511d JS |
17233 | lpfc_sli4_post_io_sgl_list(struct lpfc_hba *phba, |
17234 | struct list_head *post_nblist, int sb_count) | |
0794d601 | 17235 | { |
c490850a | 17236 | struct lpfc_io_buf *lpfc_ncmd, *lpfc_ncmd_next; |
0794d601 JS |
17237 | int status, sgl_size; |
17238 | int post_cnt = 0, block_cnt = 0, num_posting = 0, num_posted = 0; | |
17239 | dma_addr_t pdma_phys_sgl1; | |
17240 | int last_xritag = NO_XRI; | |
17241 | int cur_xritag; | |
0794d601 JS |
17242 | LIST_HEAD(prep_nblist); |
17243 | LIST_HEAD(blck_nblist); | |
17244 | LIST_HEAD(nvme_nblist); | |
17245 | ||
17246 | /* sanity check */ | |
17247 | if (sb_count <= 0) | |
17248 | return -EINVAL; | |
17249 | ||
17250 | sgl_size = phba->cfg_sg_dma_buf_size; | |
17251 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, post_nblist, list) { | |
17252 | list_del_init(&lpfc_ncmd->list); | |
17253 | block_cnt++; | |
17254 | if ((last_xritag != NO_XRI) && | |
17255 | (lpfc_ncmd->cur_iocbq.sli4_xritag != last_xritag + 1)) { | |
17256 | /* a hole in xri block, form a sgl posting block */ | |
17257 | list_splice_init(&prep_nblist, &blck_nblist); | |
17258 | post_cnt = block_cnt - 1; | |
17259 | /* prepare list for next posting block */ | |
17260 | list_add_tail(&lpfc_ncmd->list, &prep_nblist); | |
17261 | block_cnt = 1; | |
17262 | } else { | |
17263 | /* prepare list for next posting block */ | |
17264 | list_add_tail(&lpfc_ncmd->list, &prep_nblist); | |
17265 | /* enough sgls for non-embed sgl mbox command */ | |
17266 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
17267 | list_splice_init(&prep_nblist, &blck_nblist); | |
17268 | post_cnt = block_cnt; | |
17269 | block_cnt = 0; | |
17270 | } | |
17271 | } | |
17272 | num_posting++; | |
17273 | last_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; | |
17274 | ||
17275 | /* end of repost sgl list condition for NVME buffers */ | |
17276 | if (num_posting == sb_count) { | |
17277 | if (post_cnt == 0) { | |
17278 | /* last sgl posting block */ | |
17279 | list_splice_init(&prep_nblist, &blck_nblist); | |
17280 | post_cnt = block_cnt; | |
17281 | } else if (block_cnt == 1) { | |
17282 | /* last single sgl with non-contiguous xri */ | |
17283 | if (sgl_size > SGL_PAGE_SIZE) | |
17284 | pdma_phys_sgl1 = | |
17285 | lpfc_ncmd->dma_phys_sgl + | |
17286 | SGL_PAGE_SIZE; | |
17287 | else | |
17288 | pdma_phys_sgl1 = 0; | |
17289 | cur_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; | |
17290 | status = lpfc_sli4_post_sgl( | |
17291 | phba, lpfc_ncmd->dma_phys_sgl, | |
17292 | pdma_phys_sgl1, cur_xritag); | |
17293 | if (status) { | |
c490850a JS |
17294 | /* Post error. Buffer unavailable. */ |
17295 | lpfc_ncmd->flags |= | |
17296 | LPFC_SBUF_NOT_POSTED; | |
0794d601 | 17297 | } else { |
c490850a JS |
17298 | /* Post success. Bffer available. */ |
17299 | lpfc_ncmd->flags &= | |
17300 | ~LPFC_SBUF_NOT_POSTED; | |
0794d601 JS |
17301 | lpfc_ncmd->status = IOSTAT_SUCCESS; |
17302 | num_posted++; | |
17303 | } | |
17304 | /* success, put on NVME buffer sgl list */ | |
17305 | list_add_tail(&lpfc_ncmd->list, &nvme_nblist); | |
17306 | } | |
17307 | } | |
17308 | ||
17309 | /* continue until a nembed page worth of sgls */ | |
17310 | if (post_cnt == 0) | |
17311 | continue; | |
17312 | ||
17313 | /* post block of NVME buffer list sgls */ | |
5e5b511d JS |
17314 | status = lpfc_sli4_post_io_sgl_block(phba, &blck_nblist, |
17315 | post_cnt); | |
0794d601 JS |
17316 | |
17317 | /* don't reset xirtag due to hole in xri block */ | |
17318 | if (block_cnt == 0) | |
17319 | last_xritag = NO_XRI; | |
4f774513 | 17320 | |
0794d601 JS |
17321 | /* reset NVME buffer post count for next round of posting */ |
17322 | post_cnt = 0; | |
4f774513 | 17323 | |
0794d601 JS |
17324 | /* put posted NVME buffer-sgl posted on NVME buffer sgl list */ |
17325 | while (!list_empty(&blck_nblist)) { | |
17326 | list_remove_head(&blck_nblist, lpfc_ncmd, | |
c490850a | 17327 | struct lpfc_io_buf, list); |
0794d601 | 17328 | if (status) { |
c490850a JS |
17329 | /* Post error. Mark buffer unavailable. */ |
17330 | lpfc_ncmd->flags |= LPFC_SBUF_NOT_POSTED; | |
0794d601 | 17331 | } else { |
c490850a JS |
17332 | /* Post success, Mark buffer available. */ |
17333 | lpfc_ncmd->flags &= ~LPFC_SBUF_NOT_POSTED; | |
0794d601 JS |
17334 | lpfc_ncmd->status = IOSTAT_SUCCESS; |
17335 | num_posted++; | |
17336 | } | |
17337 | list_add_tail(&lpfc_ncmd->list, &nvme_nblist); | |
17338 | } | |
4f774513 | 17339 | } |
0794d601 | 17340 | /* Push NVME buffers with sgl posted to the available list */ |
5e5b511d JS |
17341 | lpfc_io_buf_replenish(phba, &nvme_nblist); |
17342 | ||
0794d601 | 17343 | return num_posted; |
4f774513 JS |
17344 | } |
17345 | ||
17346 | /** | |
17347 | * lpfc_fc_frame_check - Check that this frame is a valid frame to handle | |
17348 | * @phba: pointer to lpfc_hba struct that the frame was received on | |
17349 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
17350 | * | |
17351 | * This function checks the fields in the @fc_hdr to see if the FC frame is a | |
17352 | * valid type of frame that the LPFC driver will handle. This function will | |
17353 | * return a zero if the frame is a valid frame or a non zero value when the | |
17354 | * frame does not pass the check. | |
17355 | **/ | |
17356 | static int | |
17357 | lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) | |
17358 | { | |
474ffb74 | 17359 | /* make rctl_names static to save stack space */ |
4f774513 | 17360 | struct fc_vft_header *fc_vft_hdr; |
546fc854 | 17361 | uint32_t *header = (uint32_t *) fc_hdr; |
4f774513 | 17362 | |
e62245d9 JS |
17363 | #define FC_RCTL_MDS_DIAGS 0xF4 |
17364 | ||
4f774513 JS |
17365 | switch (fc_hdr->fh_r_ctl) { |
17366 | case FC_RCTL_DD_UNCAT: /* uncategorized information */ | |
17367 | case FC_RCTL_DD_SOL_DATA: /* solicited data */ | |
17368 | case FC_RCTL_DD_UNSOL_CTL: /* unsolicited control */ | |
17369 | case FC_RCTL_DD_SOL_CTL: /* solicited control or reply */ | |
17370 | case FC_RCTL_DD_UNSOL_DATA: /* unsolicited data */ | |
17371 | case FC_RCTL_DD_DATA_DESC: /* data descriptor */ | |
17372 | case FC_RCTL_DD_UNSOL_CMD: /* unsolicited command */ | |
17373 | case FC_RCTL_DD_CMD_STATUS: /* command status */ | |
17374 | case FC_RCTL_ELS_REQ: /* extended link services request */ | |
17375 | case FC_RCTL_ELS_REP: /* extended link services reply */ | |
17376 | case FC_RCTL_ELS4_REQ: /* FC-4 ELS request */ | |
17377 | case FC_RCTL_ELS4_REP: /* FC-4 ELS reply */ | |
17378 | case FC_RCTL_BA_NOP: /* basic link service NOP */ | |
17379 | case FC_RCTL_BA_ABTS: /* basic link service abort */ | |
17380 | case FC_RCTL_BA_RMC: /* remove connection */ | |
17381 | case FC_RCTL_BA_ACC: /* basic accept */ | |
17382 | case FC_RCTL_BA_RJT: /* basic reject */ | |
17383 | case FC_RCTL_BA_PRMT: | |
17384 | case FC_RCTL_ACK_1: /* acknowledge_1 */ | |
17385 | case FC_RCTL_ACK_0: /* acknowledge_0 */ | |
17386 | case FC_RCTL_P_RJT: /* port reject */ | |
17387 | case FC_RCTL_F_RJT: /* fabric reject */ | |
17388 | case FC_RCTL_P_BSY: /* port busy */ | |
17389 | case FC_RCTL_F_BSY: /* fabric busy to data frame */ | |
17390 | case FC_RCTL_F_BSYL: /* fabric busy to link control frame */ | |
17391 | case FC_RCTL_LCR: /* link credit reset */ | |
ae9e28f3 | 17392 | case FC_RCTL_MDS_DIAGS: /* MDS Diagnostics */ |
4f774513 JS |
17393 | case FC_RCTL_END: /* end */ |
17394 | break; | |
17395 | case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */ | |
17396 | fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
17397 | fc_hdr = &((struct fc_frame_header *)fc_vft_hdr)[1]; | |
17398 | return lpfc_fc_frame_check(phba, fc_hdr); | |
17399 | default: | |
17400 | goto drop; | |
17401 | } | |
ae9e28f3 | 17402 | |
4f774513 JS |
17403 | switch (fc_hdr->fh_type) { |
17404 | case FC_TYPE_BLS: | |
17405 | case FC_TYPE_ELS: | |
17406 | case FC_TYPE_FCP: | |
17407 | case FC_TYPE_CT: | |
895427bd | 17408 | case FC_TYPE_NVME: |
4f774513 JS |
17409 | break; |
17410 | case FC_TYPE_IP: | |
17411 | case FC_TYPE_ILS: | |
17412 | default: | |
17413 | goto drop; | |
17414 | } | |
546fc854 | 17415 | |
4f774513 | 17416 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
78e1d200 | 17417 | "2538 Received frame rctl:x%x, type:x%x, " |
88f43a08 | 17418 | "frame Data:%08x %08x %08x %08x %08x %08x %08x\n", |
78e1d200 JS |
17419 | fc_hdr->fh_r_ctl, fc_hdr->fh_type, |
17420 | be32_to_cpu(header[0]), be32_to_cpu(header[1]), | |
17421 | be32_to_cpu(header[2]), be32_to_cpu(header[3]), | |
17422 | be32_to_cpu(header[4]), be32_to_cpu(header[5]), | |
17423 | be32_to_cpu(header[6])); | |
4f774513 JS |
17424 | return 0; |
17425 | drop: | |
17426 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
78e1d200 JS |
17427 | "2539 Dropped frame rctl:x%x type:x%x\n", |
17428 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
4f774513 JS |
17429 | return 1; |
17430 | } | |
17431 | ||
17432 | /** | |
17433 | * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame | |
17434 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
17435 | * | |
17436 | * This function processes the FC header to retrieve the VFI from the VF | |
17437 | * header, if one exists. This function will return the VFI if one exists | |
17438 | * or 0 if no VSAN Header exists. | |
17439 | **/ | |
17440 | static uint32_t | |
17441 | lpfc_fc_hdr_get_vfi(struct fc_frame_header *fc_hdr) | |
17442 | { | |
17443 | struct fc_vft_header *fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
17444 | ||
17445 | if (fc_hdr->fh_r_ctl != FC_RCTL_VFTH) | |
17446 | return 0; | |
17447 | return bf_get(fc_vft_hdr_vf_id, fc_vft_hdr); | |
17448 | } | |
17449 | ||
17450 | /** | |
17451 | * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to | |
17452 | * @phba: Pointer to the HBA structure to search for the vport on | |
17453 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
17454 | * @fcfi: The FC Fabric ID that the frame came from | |
7af29d45 | 17455 | * @did: Destination ID to match against |
4f774513 JS |
17456 | * |
17457 | * This function searches the @phba for a vport that matches the content of the | |
17458 | * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the | |
17459 | * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function | |
17460 | * returns the matching vport pointer or NULL if unable to match frame to a | |
17461 | * vport. | |
17462 | **/ | |
17463 | static struct lpfc_vport * | |
17464 | lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, | |
895427bd | 17465 | uint16_t fcfi, uint32_t did) |
4f774513 JS |
17466 | { |
17467 | struct lpfc_vport **vports; | |
17468 | struct lpfc_vport *vport = NULL; | |
17469 | int i; | |
939723a4 | 17470 | |
bf08611b JS |
17471 | if (did == Fabric_DID) |
17472 | return phba->pport; | |
939723a4 JS |
17473 | if ((phba->pport->fc_flag & FC_PT2PT) && |
17474 | !(phba->link_state == LPFC_HBA_READY)) | |
17475 | return phba->pport; | |
17476 | ||
4f774513 | 17477 | vports = lpfc_create_vport_work_array(phba); |
895427bd | 17478 | if (vports != NULL) { |
4f774513 JS |
17479 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
17480 | if (phba->fcf.fcfi == fcfi && | |
17481 | vports[i]->vfi == lpfc_fc_hdr_get_vfi(fc_hdr) && | |
17482 | vports[i]->fc_myDID == did) { | |
17483 | vport = vports[i]; | |
17484 | break; | |
17485 | } | |
17486 | } | |
895427bd | 17487 | } |
4f774513 JS |
17488 | lpfc_destroy_vport_work_array(phba, vports); |
17489 | return vport; | |
17490 | } | |
17491 | ||
45ed1190 JS |
17492 | /** |
17493 | * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp | |
17494 | * @vport: The vport to work on. | |
17495 | * | |
17496 | * This function updates the receive sequence time stamp for this vport. The | |
17497 | * receive sequence time stamp indicates the time that the last frame of the | |
17498 | * the sequence that has been idle for the longest amount of time was received. | |
17499 | * the driver uses this time stamp to indicate if any received sequences have | |
17500 | * timed out. | |
17501 | **/ | |
5d8b8167 | 17502 | static void |
45ed1190 JS |
17503 | lpfc_update_rcv_time_stamp(struct lpfc_vport *vport) |
17504 | { | |
17505 | struct lpfc_dmabuf *h_buf; | |
17506 | struct hbq_dmabuf *dmabuf = NULL; | |
17507 | ||
17508 | /* get the oldest sequence on the rcv list */ | |
17509 | h_buf = list_get_first(&vport->rcv_buffer_list, | |
17510 | struct lpfc_dmabuf, list); | |
17511 | if (!h_buf) | |
17512 | return; | |
17513 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17514 | vport->rcv_buffer_time_stamp = dmabuf->time_stamp; | |
17515 | } | |
17516 | ||
17517 | /** | |
17518 | * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences. | |
17519 | * @vport: The vport that the received sequences were sent to. | |
17520 | * | |
17521 | * This function cleans up all outstanding received sequences. This is called | |
17522 | * by the driver when a link event or user action invalidates all the received | |
17523 | * sequences. | |
17524 | **/ | |
17525 | void | |
17526 | lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport) | |
17527 | { | |
17528 | struct lpfc_dmabuf *h_buf, *hnext; | |
17529 | struct lpfc_dmabuf *d_buf, *dnext; | |
17530 | struct hbq_dmabuf *dmabuf = NULL; | |
17531 | ||
17532 | /* start with the oldest sequence on the rcv list */ | |
17533 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
17534 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17535 | list_del_init(&dmabuf->hbuf.list); | |
17536 | list_for_each_entry_safe(d_buf, dnext, | |
17537 | &dmabuf->dbuf.list, list) { | |
17538 | list_del_init(&d_buf->list); | |
17539 | lpfc_in_buf_free(vport->phba, d_buf); | |
17540 | } | |
17541 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
17542 | } | |
17543 | } | |
17544 | ||
17545 | /** | |
17546 | * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences. | |
17547 | * @vport: The vport that the received sequences were sent to. | |
17548 | * | |
17549 | * This function determines whether any received sequences have timed out by | |
17550 | * first checking the vport's rcv_buffer_time_stamp. If this time_stamp | |
17551 | * indicates that there is at least one timed out sequence this routine will | |
17552 | * go through the received sequences one at a time from most inactive to most | |
17553 | * active to determine which ones need to be cleaned up. Once it has determined | |
17554 | * that a sequence needs to be cleaned up it will simply free up the resources | |
17555 | * without sending an abort. | |
17556 | **/ | |
17557 | void | |
17558 | lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport) | |
17559 | { | |
17560 | struct lpfc_dmabuf *h_buf, *hnext; | |
17561 | struct lpfc_dmabuf *d_buf, *dnext; | |
17562 | struct hbq_dmabuf *dmabuf = NULL; | |
17563 | unsigned long timeout; | |
17564 | int abort_count = 0; | |
17565 | ||
17566 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
17567 | vport->rcv_buffer_time_stamp); | |
17568 | if (list_empty(&vport->rcv_buffer_list) || | |
17569 | time_before(jiffies, timeout)) | |
17570 | return; | |
17571 | /* start with the oldest sequence on the rcv list */ | |
17572 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
17573 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17574 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
17575 | dmabuf->time_stamp); | |
17576 | if (time_before(jiffies, timeout)) | |
17577 | break; | |
17578 | abort_count++; | |
17579 | list_del_init(&dmabuf->hbuf.list); | |
17580 | list_for_each_entry_safe(d_buf, dnext, | |
17581 | &dmabuf->dbuf.list, list) { | |
17582 | list_del_init(&d_buf->list); | |
17583 | lpfc_in_buf_free(vport->phba, d_buf); | |
17584 | } | |
17585 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
17586 | } | |
17587 | if (abort_count) | |
17588 | lpfc_update_rcv_time_stamp(vport); | |
17589 | } | |
17590 | ||
4f774513 JS |
17591 | /** |
17592 | * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences | |
7af29d45 | 17593 | * @vport: pointer to a vitural port |
4f774513 JS |
17594 | * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame |
17595 | * | |
17596 | * This function searches through the existing incomplete sequences that have | |
17597 | * been sent to this @vport. If the frame matches one of the incomplete | |
17598 | * sequences then the dbuf in the @dmabuf is added to the list of frames that | |
17599 | * make up that sequence. If no sequence is found that matches this frame then | |
17600 | * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list | |
17601 | * This function returns a pointer to the first dmabuf in the sequence list that | |
17602 | * the frame was linked to. | |
17603 | **/ | |
17604 | static struct hbq_dmabuf * | |
17605 | lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
17606 | { | |
17607 | struct fc_frame_header *new_hdr; | |
17608 | struct fc_frame_header *temp_hdr; | |
17609 | struct lpfc_dmabuf *d_buf; | |
17610 | struct lpfc_dmabuf *h_buf; | |
17611 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
17612 | struct hbq_dmabuf *temp_dmabuf = NULL; | |
4360ca9c | 17613 | uint8_t found = 0; |
4f774513 | 17614 | |
4d9ab994 | 17615 | INIT_LIST_HEAD(&dmabuf->dbuf.list); |
45ed1190 | 17616 | dmabuf->time_stamp = jiffies; |
4f774513 | 17617 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
4360ca9c | 17618 | |
4f774513 JS |
17619 | /* Use the hdr_buf to find the sequence that this frame belongs to */ |
17620 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
17621 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
17622 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
17623 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
17624 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
17625 | continue; | |
17626 | /* found a pending sequence that matches this frame */ | |
17627 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17628 | break; | |
17629 | } | |
17630 | if (!seq_dmabuf) { | |
17631 | /* | |
17632 | * This indicates first frame received for this sequence. | |
17633 | * Queue the buffer on the vport's rcv_buffer_list. | |
17634 | */ | |
17635 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
45ed1190 | 17636 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
17637 | return dmabuf; |
17638 | } | |
17639 | temp_hdr = seq_dmabuf->hbuf.virt; | |
eeead811 JS |
17640 | if (be16_to_cpu(new_hdr->fh_seq_cnt) < |
17641 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4d9ab994 JS |
17642 | list_del_init(&seq_dmabuf->hbuf.list); |
17643 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
17644 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
45ed1190 | 17645 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
17646 | return dmabuf; |
17647 | } | |
45ed1190 JS |
17648 | /* move this sequence to the tail to indicate a young sequence */ |
17649 | list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
17650 | seq_dmabuf->time_stamp = jiffies; | |
17651 | lpfc_update_rcv_time_stamp(vport); | |
eeead811 JS |
17652 | if (list_empty(&seq_dmabuf->dbuf.list)) { |
17653 | temp_hdr = dmabuf->hbuf.virt; | |
17654 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
17655 | return seq_dmabuf; | |
17656 | } | |
4f774513 | 17657 | /* find the correct place in the sequence to insert this frame */ |
4360ca9c JS |
17658 | d_buf = list_entry(seq_dmabuf->dbuf.list.prev, typeof(*d_buf), list); |
17659 | while (!found) { | |
4f774513 JS |
17660 | temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
17661 | temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt; | |
17662 | /* | |
17663 | * If the frame's sequence count is greater than the frame on | |
17664 | * the list then insert the frame right after this frame | |
17665 | */ | |
eeead811 JS |
17666 | if (be16_to_cpu(new_hdr->fh_seq_cnt) > |
17667 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4f774513 | 17668 | list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list); |
4360ca9c JS |
17669 | found = 1; |
17670 | break; | |
4f774513 | 17671 | } |
4360ca9c JS |
17672 | |
17673 | if (&d_buf->list == &seq_dmabuf->dbuf.list) | |
17674 | break; | |
17675 | d_buf = list_entry(d_buf->list.prev, typeof(*d_buf), list); | |
4f774513 | 17676 | } |
4360ca9c JS |
17677 | |
17678 | if (found) | |
17679 | return seq_dmabuf; | |
4f774513 JS |
17680 | return NULL; |
17681 | } | |
17682 | ||
6669f9bb JS |
17683 | /** |
17684 | * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence | |
17685 | * @vport: pointer to a vitural port | |
17686 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17687 | * | |
17688 | * This function tries to abort from the partially assembed sequence, described | |
17689 | * by the information from basic abbort @dmabuf. It checks to see whether such | |
17690 | * partially assembled sequence held by the driver. If so, it shall free up all | |
17691 | * the frames from the partially assembled sequence. | |
17692 | * | |
17693 | * Return | |
17694 | * true -- if there is matching partially assembled sequence present and all | |
17695 | * the frames freed with the sequence; | |
17696 | * false -- if there is no matching partially assembled sequence present so | |
17697 | * nothing got aborted in the lower layer driver | |
17698 | **/ | |
17699 | static bool | |
17700 | lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport, | |
17701 | struct hbq_dmabuf *dmabuf) | |
17702 | { | |
17703 | struct fc_frame_header *new_hdr; | |
17704 | struct fc_frame_header *temp_hdr; | |
17705 | struct lpfc_dmabuf *d_buf, *n_buf, *h_buf; | |
17706 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
17707 | ||
17708 | /* Use the hdr_buf to find the sequence that matches this frame */ | |
17709 | INIT_LIST_HEAD(&dmabuf->dbuf.list); | |
17710 | INIT_LIST_HEAD(&dmabuf->hbuf.list); | |
17711 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17712 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
17713 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
17714 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
17715 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
17716 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
17717 | continue; | |
17718 | /* found a pending sequence that matches this frame */ | |
17719 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17720 | break; | |
17721 | } | |
17722 | ||
17723 | /* Free up all the frames from the partially assembled sequence */ | |
17724 | if (seq_dmabuf) { | |
17725 | list_for_each_entry_safe(d_buf, n_buf, | |
17726 | &seq_dmabuf->dbuf.list, list) { | |
17727 | list_del_init(&d_buf->list); | |
17728 | lpfc_in_buf_free(vport->phba, d_buf); | |
17729 | } | |
17730 | return true; | |
17731 | } | |
17732 | return false; | |
17733 | } | |
17734 | ||
6dd9e31c JS |
17735 | /** |
17736 | * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp | |
17737 | * @vport: pointer to a vitural port | |
17738 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17739 | * | |
17740 | * This function tries to abort from the assembed sequence from upper level | |
17741 | * protocol, described by the information from basic abbort @dmabuf. It | |
17742 | * checks to see whether such pending context exists at upper level protocol. | |
17743 | * If so, it shall clean up the pending context. | |
17744 | * | |
17745 | * Return | |
17746 | * true -- if there is matching pending context of the sequence cleaned | |
17747 | * at ulp; | |
17748 | * false -- if there is no matching pending context of the sequence present | |
17749 | * at ulp. | |
17750 | **/ | |
17751 | static bool | |
17752 | lpfc_sli4_abort_ulp_seq(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
17753 | { | |
17754 | struct lpfc_hba *phba = vport->phba; | |
17755 | int handled; | |
17756 | ||
17757 | /* Accepting abort at ulp with SLI4 only */ | |
17758 | if (phba->sli_rev < LPFC_SLI_REV4) | |
17759 | return false; | |
17760 | ||
17761 | /* Register all caring upper level protocols to attend abort */ | |
17762 | handled = lpfc_ct_handle_unsol_abort(phba, dmabuf); | |
17763 | if (handled) | |
17764 | return true; | |
17765 | ||
17766 | return false; | |
17767 | } | |
17768 | ||
6669f9bb | 17769 | /** |
546fc854 | 17770 | * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler |
6669f9bb JS |
17771 | * @phba: Pointer to HBA context object. |
17772 | * @cmd_iocbq: pointer to the command iocbq structure. | |
17773 | * @rsp_iocbq: pointer to the response iocbq structure. | |
17774 | * | |
546fc854 | 17775 | * This function handles the sequence abort response iocb command complete |
6669f9bb JS |
17776 | * event. It properly releases the memory allocated to the sequence abort |
17777 | * accept iocb. | |
17778 | **/ | |
17779 | static void | |
546fc854 | 17780 | lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, |
6669f9bb JS |
17781 | struct lpfc_iocbq *cmd_iocbq, |
17782 | struct lpfc_iocbq *rsp_iocbq) | |
17783 | { | |
6dd9e31c JS |
17784 | struct lpfc_nodelist *ndlp; |
17785 | ||
17786 | if (cmd_iocbq) { | |
17787 | ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1; | |
17788 | lpfc_nlp_put(ndlp); | |
17789 | lpfc_nlp_not_used(ndlp); | |
6669f9bb | 17790 | lpfc_sli_release_iocbq(phba, cmd_iocbq); |
6dd9e31c | 17791 | } |
6b5151fd JS |
17792 | |
17793 | /* Failure means BLS ABORT RSP did not get delivered to remote node*/ | |
17794 | if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) | |
372c187b | 17795 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6b5151fd JS |
17796 | "3154 BLS ABORT RSP failed, data: x%x/x%x\n", |
17797 | rsp_iocbq->iocb.ulpStatus, | |
17798 | rsp_iocbq->iocb.un.ulpWord[4]); | |
6669f9bb JS |
17799 | } |
17800 | ||
6d368e53 JS |
17801 | /** |
17802 | * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver. | |
17803 | * @phba: Pointer to HBA context object. | |
17804 | * @xri: xri id in transaction. | |
17805 | * | |
17806 | * This function validates the xri maps to the known range of XRIs allocated an | |
17807 | * used by the driver. | |
17808 | **/ | |
7851fe2c | 17809 | uint16_t |
6d368e53 JS |
17810 | lpfc_sli4_xri_inrange(struct lpfc_hba *phba, |
17811 | uint16_t xri) | |
17812 | { | |
a2fc4aef | 17813 | uint16_t i; |
6d368e53 JS |
17814 | |
17815 | for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) { | |
17816 | if (xri == phba->sli4_hba.xri_ids[i]) | |
17817 | return i; | |
17818 | } | |
17819 | return NO_XRI; | |
17820 | } | |
17821 | ||
6669f9bb | 17822 | /** |
546fc854 | 17823 | * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort |
7af29d45 | 17824 | * @vport: pointer to a vitural port. |
6669f9bb | 17825 | * @fc_hdr: pointer to a FC frame header. |
7af29d45 | 17826 | * @aborted: was the partially assembled receive sequence successfully aborted |
6669f9bb | 17827 | * |
546fc854 | 17828 | * This function sends a basic response to a previous unsol sequence abort |
6669f9bb JS |
17829 | * event after aborting the sequence handling. |
17830 | **/ | |
86c67379 | 17831 | void |
6dd9e31c JS |
17832 | lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, |
17833 | struct fc_frame_header *fc_hdr, bool aborted) | |
6669f9bb | 17834 | { |
6dd9e31c | 17835 | struct lpfc_hba *phba = vport->phba; |
6669f9bb JS |
17836 | struct lpfc_iocbq *ctiocb = NULL; |
17837 | struct lpfc_nodelist *ndlp; | |
ee0f4fe1 | 17838 | uint16_t oxid, rxid, xri, lxri; |
5ffc266e | 17839 | uint32_t sid, fctl; |
6669f9bb | 17840 | IOCB_t *icmd; |
546fc854 | 17841 | int rc; |
6669f9bb JS |
17842 | |
17843 | if (!lpfc_is_link_up(phba)) | |
17844 | return; | |
17845 | ||
17846 | sid = sli4_sid_from_fc_hdr(fc_hdr); | |
17847 | oxid = be16_to_cpu(fc_hdr->fh_ox_id); | |
5ffc266e | 17848 | rxid = be16_to_cpu(fc_hdr->fh_rx_id); |
6669f9bb | 17849 | |
6dd9e31c | 17850 | ndlp = lpfc_findnode_did(vport, sid); |
6669f9bb | 17851 | if (!ndlp) { |
9d3d340d | 17852 | ndlp = lpfc_nlp_init(vport, sid); |
6dd9e31c JS |
17853 | if (!ndlp) { |
17854 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
17855 | "1268 Failed to allocate ndlp for " | |
17856 | "oxid:x%x SID:x%x\n", oxid, sid); | |
17857 | return; | |
17858 | } | |
6dd9e31c JS |
17859 | /* Put ndlp onto pport node list */ |
17860 | lpfc_enqueue_node(vport, ndlp); | |
17861 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
17862 | /* re-setup ndlp without removing from node list */ | |
17863 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
17864 | if (!ndlp) { | |
17865 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
17866 | "3275 Failed to active ndlp found " | |
17867 | "for oxid:x%x SID:x%x\n", oxid, sid); | |
17868 | return; | |
17869 | } | |
6669f9bb JS |
17870 | } |
17871 | ||
546fc854 | 17872 | /* Allocate buffer for rsp iocb */ |
6669f9bb JS |
17873 | ctiocb = lpfc_sli_get_iocbq(phba); |
17874 | if (!ctiocb) | |
17875 | return; | |
17876 | ||
5ffc266e JS |
17877 | /* Extract the F_CTL field from FC_HDR */ |
17878 | fctl = sli4_fctl_from_fc_hdr(fc_hdr); | |
17879 | ||
6669f9bb | 17880 | icmd = &ctiocb->iocb; |
6669f9bb | 17881 | icmd->un.xseq64.bdl.bdeSize = 0; |
5ffc266e | 17882 | icmd->un.xseq64.bdl.ulpIoTag32 = 0; |
6669f9bb JS |
17883 | icmd->un.xseq64.w5.hcsw.Dfctl = 0; |
17884 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC; | |
17885 | icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS; | |
17886 | ||
17887 | /* Fill in the rest of iocb fields */ | |
17888 | icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX; | |
17889 | icmd->ulpBdeCount = 0; | |
17890 | icmd->ulpLe = 1; | |
17891 | icmd->ulpClass = CLASS3; | |
6d368e53 | 17892 | icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; |
6dd9e31c | 17893 | ctiocb->context1 = lpfc_nlp_get(ndlp); |
6669f9bb | 17894 | |
6669f9bb | 17895 | ctiocb->vport = phba->pport; |
546fc854 | 17896 | ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; |
6d368e53 | 17897 | ctiocb->sli4_lxritag = NO_XRI; |
546fc854 JS |
17898 | ctiocb->sli4_xritag = NO_XRI; |
17899 | ||
ee0f4fe1 JS |
17900 | if (fctl & FC_FC_EX_CTX) |
17901 | /* Exchange responder sent the abort so we | |
17902 | * own the oxid. | |
17903 | */ | |
17904 | xri = oxid; | |
17905 | else | |
17906 | xri = rxid; | |
17907 | lxri = lpfc_sli4_xri_inrange(phba, xri); | |
17908 | if (lxri != NO_XRI) | |
17909 | lpfc_set_rrq_active(phba, ndlp, lxri, | |
17910 | (xri == oxid) ? rxid : oxid, 0); | |
6dd9e31c JS |
17911 | /* For BA_ABTS from exchange responder, if the logical xri with |
17912 | * the oxid maps to the FCP XRI range, the port no longer has | |
17913 | * that exchange context, send a BLS_RJT. Override the IOCB for | |
17914 | * a BA_RJT. | |
17915 | */ | |
17916 | if ((fctl & FC_FC_EX_CTX) && | |
895427bd | 17917 | (lxri > lpfc_sli4_get_iocb_cnt(phba))) { |
6dd9e31c JS |
17918 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
17919 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
17920 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
17921 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
17922 | } | |
17923 | ||
17924 | /* If BA_ABTS failed to abort a partially assembled receive sequence, | |
17925 | * the driver no longer has that exchange, send a BLS_RJT. Override | |
17926 | * the IOCB for a BA_RJT. | |
546fc854 | 17927 | */ |
6dd9e31c | 17928 | if (aborted == false) { |
546fc854 JS |
17929 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
17930 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
17931 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
17932 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
17933 | } | |
6669f9bb | 17934 | |
5ffc266e JS |
17935 | if (fctl & FC_FC_EX_CTX) { |
17936 | /* ABTS sent by responder to CT exchange, construction | |
17937 | * of BA_ACC will use OX_ID from ABTS for the XRI_TAG | |
17938 | * field and RX_ID from ABTS for RX_ID field. | |
17939 | */ | |
546fc854 | 17940 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); |
5ffc266e JS |
17941 | } else { |
17942 | /* ABTS sent by initiator to CT exchange, construction | |
17943 | * of BA_ACC will need to allocate a new XRI as for the | |
f09c3acc | 17944 | * XRI_TAG field. |
5ffc266e | 17945 | */ |
546fc854 | 17946 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); |
5ffc266e | 17947 | } |
f09c3acc | 17948 | bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); |
546fc854 | 17949 | bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); |
5ffc266e | 17950 | |
546fc854 | 17951 | /* Xmit CT abts response on exchange <xid> */ |
6dd9e31c JS |
17952 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
17953 | "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n", | |
17954 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state); | |
546fc854 JS |
17955 | |
17956 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); | |
17957 | if (rc == IOCB_ERROR) { | |
372c187b | 17958 | lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, |
6dd9e31c JS |
17959 | "2925 Failed to issue CT ABTS RSP x%x on " |
17960 | "xri x%x, Data x%x\n", | |
17961 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, | |
17962 | phba->link_state); | |
17963 | lpfc_nlp_put(ndlp); | |
17964 | ctiocb->context1 = NULL; | |
546fc854 JS |
17965 | lpfc_sli_release_iocbq(phba, ctiocb); |
17966 | } | |
6669f9bb JS |
17967 | } |
17968 | ||
17969 | /** | |
17970 | * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event | |
17971 | * @vport: Pointer to the vport on which this sequence was received | |
17972 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17973 | * | |
17974 | * This function handles an SLI-4 unsolicited abort event. If the unsolicited | |
17975 | * receive sequence is only partially assembed by the driver, it shall abort | |
17976 | * the partially assembled frames for the sequence. Otherwise, if the | |
17977 | * unsolicited receive sequence has been completely assembled and passed to | |
17978 | * the Upper Layer Protocol (UPL), it then mark the per oxid status for the | |
17979 | * unsolicited sequence has been aborted. After that, it will issue a basic | |
17980 | * accept to accept the abort. | |
17981 | **/ | |
5d8b8167 | 17982 | static void |
6669f9bb JS |
17983 | lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport, |
17984 | struct hbq_dmabuf *dmabuf) | |
17985 | { | |
17986 | struct lpfc_hba *phba = vport->phba; | |
17987 | struct fc_frame_header fc_hdr; | |
5ffc266e | 17988 | uint32_t fctl; |
6dd9e31c | 17989 | bool aborted; |
6669f9bb | 17990 | |
6669f9bb JS |
17991 | /* Make a copy of fc_hdr before the dmabuf being released */ |
17992 | memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header)); | |
5ffc266e | 17993 | fctl = sli4_fctl_from_fc_hdr(&fc_hdr); |
6669f9bb | 17994 | |
5ffc266e | 17995 | if (fctl & FC_FC_EX_CTX) { |
6dd9e31c JS |
17996 | /* ABTS by responder to exchange, no cleanup needed */ |
17997 | aborted = true; | |
5ffc266e | 17998 | } else { |
6dd9e31c JS |
17999 | /* ABTS by initiator to exchange, need to do cleanup */ |
18000 | aborted = lpfc_sli4_abort_partial_seq(vport, dmabuf); | |
18001 | if (aborted == false) | |
18002 | aborted = lpfc_sli4_abort_ulp_seq(vport, dmabuf); | |
5ffc266e | 18003 | } |
6dd9e31c JS |
18004 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
18005 | ||
86c67379 JS |
18006 | if (phba->nvmet_support) { |
18007 | lpfc_nvmet_rcv_unsol_abort(vport, &fc_hdr); | |
18008 | return; | |
18009 | } | |
18010 | ||
6dd9e31c JS |
18011 | /* Respond with BA_ACC or BA_RJT accordingly */ |
18012 | lpfc_sli4_seq_abort_rsp(vport, &fc_hdr, aborted); | |
6669f9bb JS |
18013 | } |
18014 | ||
4f774513 JS |
18015 | /** |
18016 | * lpfc_seq_complete - Indicates if a sequence is complete | |
18017 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
18018 | * | |
18019 | * This function checks the sequence, starting with the frame described by | |
18020 | * @dmabuf, to see if all the frames associated with this sequence are present. | |
18021 | * the frames associated with this sequence are linked to the @dmabuf using the | |
18022 | * dbuf list. This function looks for two major things. 1) That the first frame | |
18023 | * has a sequence count of zero. 2) There is a frame with last frame of sequence | |
18024 | * set. 3) That there are no holes in the sequence count. The function will | |
18025 | * return 1 when the sequence is complete, otherwise it will return 0. | |
18026 | **/ | |
18027 | static int | |
18028 | lpfc_seq_complete(struct hbq_dmabuf *dmabuf) | |
18029 | { | |
18030 | struct fc_frame_header *hdr; | |
18031 | struct lpfc_dmabuf *d_buf; | |
18032 | struct hbq_dmabuf *seq_dmabuf; | |
18033 | uint32_t fctl; | |
18034 | int seq_count = 0; | |
18035 | ||
18036 | hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
18037 | /* make sure first fame of sequence has a sequence count of zero */ | |
18038 | if (hdr->fh_seq_cnt != seq_count) | |
18039 | return 0; | |
18040 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
18041 | hdr->fh_f_ctl[1] << 8 | | |
18042 | hdr->fh_f_ctl[2]); | |
18043 | /* If last frame of sequence we can return success. */ | |
18044 | if (fctl & FC_FC_END_SEQ) | |
18045 | return 1; | |
18046 | list_for_each_entry(d_buf, &dmabuf->dbuf.list, list) { | |
18047 | seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
18048 | hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
18049 | /* If there is a hole in the sequence count then fail. */ | |
eeead811 | 18050 | if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt)) |
4f774513 JS |
18051 | return 0; |
18052 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
18053 | hdr->fh_f_ctl[1] << 8 | | |
18054 | hdr->fh_f_ctl[2]); | |
18055 | /* If last frame of sequence we can return success. */ | |
18056 | if (fctl & FC_FC_END_SEQ) | |
18057 | return 1; | |
18058 | } | |
18059 | return 0; | |
18060 | } | |
18061 | ||
18062 | /** | |
18063 | * lpfc_prep_seq - Prep sequence for ULP processing | |
18064 | * @vport: Pointer to the vport on which this sequence was received | |
7af29d45 | 18065 | * @seq_dmabuf: pointer to a dmabuf that describes the FC sequence |
4f774513 JS |
18066 | * |
18067 | * This function takes a sequence, described by a list of frames, and creates | |
18068 | * a list of iocbq structures to describe the sequence. This iocbq list will be | |
18069 | * used to issue to the generic unsolicited sequence handler. This routine | |
18070 | * returns a pointer to the first iocbq in the list. If the function is unable | |
18071 | * to allocate an iocbq then it throw out the received frames that were not | |
18072 | * able to be described and return a pointer to the first iocbq. If unable to | |
18073 | * allocate any iocbqs (including the first) this function will return NULL. | |
18074 | **/ | |
18075 | static struct lpfc_iocbq * | |
18076 | lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) | |
18077 | { | |
7851fe2c | 18078 | struct hbq_dmabuf *hbq_buf; |
4f774513 JS |
18079 | struct lpfc_dmabuf *d_buf, *n_buf; |
18080 | struct lpfc_iocbq *first_iocbq, *iocbq; | |
18081 | struct fc_frame_header *fc_hdr; | |
18082 | uint32_t sid; | |
7851fe2c | 18083 | uint32_t len, tot_len; |
eeead811 | 18084 | struct ulp_bde64 *pbde; |
4f774513 JS |
18085 | |
18086 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
18087 | /* remove from receive buffer list */ | |
18088 | list_del_init(&seq_dmabuf->hbuf.list); | |
45ed1190 | 18089 | lpfc_update_rcv_time_stamp(vport); |
4f774513 | 18090 | /* get the Remote Port's SID */ |
6669f9bb | 18091 | sid = sli4_sid_from_fc_hdr(fc_hdr); |
7851fe2c | 18092 | tot_len = 0; |
4f774513 JS |
18093 | /* Get an iocbq struct to fill in. */ |
18094 | first_iocbq = lpfc_sli_get_iocbq(vport->phba); | |
18095 | if (first_iocbq) { | |
18096 | /* Initialize the first IOCB. */ | |
8fa38513 | 18097 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; |
4f774513 | 18098 | first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; |
895427bd | 18099 | first_iocbq->vport = vport; |
939723a4 JS |
18100 | |
18101 | /* Check FC Header to see what TYPE of frame we are rcv'ing */ | |
18102 | if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) { | |
18103 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX; | |
18104 | first_iocbq->iocb.un.rcvels.parmRo = | |
18105 | sli4_did_from_fc_hdr(fc_hdr); | |
18106 | first_iocbq->iocb.ulpPU = PARM_NPIV_DID; | |
18107 | } else | |
18108 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; | |
7851fe2c JS |
18109 | first_iocbq->iocb.ulpContext = NO_XRI; |
18110 | first_iocbq->iocb.unsli3.rcvsli3.ox_id = | |
18111 | be16_to_cpu(fc_hdr->fh_ox_id); | |
18112 | /* iocbq is prepped for internal consumption. Physical vpi. */ | |
18113 | first_iocbq->iocb.unsli3.rcvsli3.vpi = | |
18114 | vport->phba->vpi_ids[vport->vpi]; | |
4f774513 | 18115 | /* put the first buffer into the first IOCBq */ |
48a5a664 JS |
18116 | tot_len = bf_get(lpfc_rcqe_length, |
18117 | &seq_dmabuf->cq_event.cqe.rcqe_cmpl); | |
18118 | ||
4f774513 JS |
18119 | first_iocbq->context2 = &seq_dmabuf->dbuf; |
18120 | first_iocbq->context3 = NULL; | |
18121 | first_iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
18122 | if (tot_len > LPFC_DATA_BUF_SIZE) |
18123 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 18124 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
18125 | else |
18126 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = tot_len; | |
18127 | ||
4f774513 | 18128 | first_iocbq->iocb.un.rcvels.remoteID = sid; |
48a5a664 | 18129 | |
7851fe2c | 18130 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; |
4f774513 JS |
18131 | } |
18132 | iocbq = first_iocbq; | |
18133 | /* | |
18134 | * Each IOCBq can have two Buffers assigned, so go through the list | |
18135 | * of buffers for this sequence and save two buffers in each IOCBq | |
18136 | */ | |
18137 | list_for_each_entry_safe(d_buf, n_buf, &seq_dmabuf->dbuf.list, list) { | |
18138 | if (!iocbq) { | |
18139 | lpfc_in_buf_free(vport->phba, d_buf); | |
18140 | continue; | |
18141 | } | |
18142 | if (!iocbq->context3) { | |
18143 | iocbq->context3 = d_buf; | |
18144 | iocbq->iocb.ulpBdeCount++; | |
7851fe2c JS |
18145 | /* We need to get the size out of the right CQE */ |
18146 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
18147 | len = bf_get(lpfc_rcqe_length, | |
18148 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
48a5a664 JS |
18149 | pbde = (struct ulp_bde64 *) |
18150 | &iocbq->iocb.unsli3.sli3Words[4]; | |
18151 | if (len > LPFC_DATA_BUF_SIZE) | |
18152 | pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; | |
18153 | else | |
18154 | pbde->tus.f.bdeSize = len; | |
18155 | ||
7851fe2c JS |
18156 | iocbq->iocb.unsli3.rcvsli3.acc_len += len; |
18157 | tot_len += len; | |
4f774513 JS |
18158 | } else { |
18159 | iocbq = lpfc_sli_get_iocbq(vport->phba); | |
18160 | if (!iocbq) { | |
18161 | if (first_iocbq) { | |
18162 | first_iocbq->iocb.ulpStatus = | |
18163 | IOSTAT_FCP_RSP_ERROR; | |
18164 | first_iocbq->iocb.un.ulpWord[4] = | |
18165 | IOERR_NO_RESOURCES; | |
18166 | } | |
18167 | lpfc_in_buf_free(vport->phba, d_buf); | |
18168 | continue; | |
18169 | } | |
48a5a664 JS |
18170 | /* We need to get the size out of the right CQE */ |
18171 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
18172 | len = bf_get(lpfc_rcqe_length, | |
18173 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
4f774513 JS |
18174 | iocbq->context2 = d_buf; |
18175 | iocbq->context3 = NULL; | |
18176 | iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
18177 | if (len > LPFC_DATA_BUF_SIZE) |
18178 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 18179 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
18180 | else |
18181 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = len; | |
7851fe2c | 18182 | |
7851fe2c JS |
18183 | tot_len += len; |
18184 | iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; | |
18185 | ||
4f774513 JS |
18186 | iocbq->iocb.un.rcvels.remoteID = sid; |
18187 | list_add_tail(&iocbq->list, &first_iocbq->list); | |
18188 | } | |
18189 | } | |
39c4f1a9 JS |
18190 | /* Free the sequence's header buffer */ |
18191 | if (!first_iocbq) | |
18192 | lpfc_in_buf_free(vport->phba, &seq_dmabuf->dbuf); | |
18193 | ||
4f774513 JS |
18194 | return first_iocbq; |
18195 | } | |
18196 | ||
6669f9bb JS |
18197 | static void |
18198 | lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport, | |
18199 | struct hbq_dmabuf *seq_dmabuf) | |
18200 | { | |
18201 | struct fc_frame_header *fc_hdr; | |
18202 | struct lpfc_iocbq *iocbq, *curr_iocb, *next_iocb; | |
18203 | struct lpfc_hba *phba = vport->phba; | |
18204 | ||
18205 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
18206 | iocbq = lpfc_prep_seq(vport, seq_dmabuf); | |
18207 | if (!iocbq) { | |
372c187b | 18208 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6669f9bb JS |
18209 | "2707 Ring %d handler: Failed to allocate " |
18210 | "iocb Rctl x%x Type x%x received\n", | |
18211 | LPFC_ELS_RING, | |
18212 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
18213 | return; | |
18214 | } | |
18215 | if (!lpfc_complete_unsol_iocb(phba, | |
895427bd | 18216 | phba->sli4_hba.els_wq->pring, |
6669f9bb JS |
18217 | iocbq, fc_hdr->fh_r_ctl, |
18218 | fc_hdr->fh_type)) | |
372c187b | 18219 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6669f9bb JS |
18220 | "2540 Ring %d handler: unexpected Rctl " |
18221 | "x%x Type x%x received\n", | |
18222 | LPFC_ELS_RING, | |
18223 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
18224 | ||
18225 | /* Free iocb created in lpfc_prep_seq */ | |
18226 | list_for_each_entry_safe(curr_iocb, next_iocb, | |
18227 | &iocbq->list, list) { | |
18228 | list_del_init(&curr_iocb->list); | |
18229 | lpfc_sli_release_iocbq(phba, curr_iocb); | |
18230 | } | |
18231 | lpfc_sli_release_iocbq(phba, iocbq); | |
18232 | } | |
18233 | ||
ae9e28f3 JS |
18234 | static void |
18235 | lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
18236 | struct lpfc_iocbq *rspiocb) | |
18237 | { | |
18238 | struct lpfc_dmabuf *pcmd = cmdiocb->context2; | |
18239 | ||
18240 | if (pcmd && pcmd->virt) | |
771db5c0 | 18241 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 JS |
18242 | kfree(pcmd); |
18243 | lpfc_sli_release_iocbq(phba, cmdiocb); | |
e817e5d7 | 18244 | lpfc_drain_txq(phba); |
ae9e28f3 JS |
18245 | } |
18246 | ||
18247 | static void | |
18248 | lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, | |
18249 | struct hbq_dmabuf *dmabuf) | |
18250 | { | |
18251 | struct fc_frame_header *fc_hdr; | |
18252 | struct lpfc_hba *phba = vport->phba; | |
18253 | struct lpfc_iocbq *iocbq = NULL; | |
18254 | union lpfc_wqe *wqe; | |
18255 | struct lpfc_dmabuf *pcmd = NULL; | |
18256 | uint32_t frame_len; | |
18257 | int rc; | |
e817e5d7 | 18258 | unsigned long iflags; |
ae9e28f3 JS |
18259 | |
18260 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
18261 | frame_len = bf_get(lpfc_rcqe_length, &dmabuf->cq_event.cqe.rcqe_cmpl); | |
18262 | ||
18263 | /* Send the received frame back */ | |
18264 | iocbq = lpfc_sli_get_iocbq(phba); | |
e817e5d7 JS |
18265 | if (!iocbq) { |
18266 | /* Queue cq event and wakeup worker thread to process it */ | |
18267 | spin_lock_irqsave(&phba->hbalock, iflags); | |
18268 | list_add_tail(&dmabuf->cq_event.list, | |
18269 | &phba->sli4_hba.sp_queue_event); | |
18270 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
18271 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
18272 | lpfc_worker_wake_up(phba); | |
18273 | return; | |
18274 | } | |
ae9e28f3 JS |
18275 | |
18276 | /* Allocate buffer for command payload */ | |
18277 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
18278 | if (pcmd) | |
771db5c0 | 18279 | pcmd->virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, |
ae9e28f3 JS |
18280 | &pcmd->phys); |
18281 | if (!pcmd || !pcmd->virt) | |
18282 | goto exit; | |
18283 | ||
18284 | INIT_LIST_HEAD(&pcmd->list); | |
18285 | ||
18286 | /* copyin the payload */ | |
18287 | memcpy(pcmd->virt, dmabuf->dbuf.virt, frame_len); | |
18288 | ||
18289 | /* fill in BDE's for command */ | |
18290 | iocbq->iocb.un.xseq64.bdl.addrHigh = putPaddrHigh(pcmd->phys); | |
18291 | iocbq->iocb.un.xseq64.bdl.addrLow = putPaddrLow(pcmd->phys); | |
18292 | iocbq->iocb.un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDE_64; | |
18293 | iocbq->iocb.un.xseq64.bdl.bdeSize = frame_len; | |
18294 | ||
18295 | iocbq->context2 = pcmd; | |
18296 | iocbq->vport = vport; | |
18297 | iocbq->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; | |
18298 | iocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
18299 | ||
18300 | /* | |
18301 | * Setup rest of the iocb as though it were a WQE | |
18302 | * Build the SEND_FRAME WQE | |
18303 | */ | |
18304 | wqe = (union lpfc_wqe *)&iocbq->iocb; | |
18305 | ||
18306 | wqe->send_frame.frame_len = frame_len; | |
18307 | wqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((uint32_t *)fc_hdr)); | |
18308 | wqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((uint32_t *)fc_hdr + 1)); | |
18309 | wqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((uint32_t *)fc_hdr + 2)); | |
18310 | wqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((uint32_t *)fc_hdr + 3)); | |
18311 | wqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((uint32_t *)fc_hdr + 4)); | |
18312 | wqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((uint32_t *)fc_hdr + 5)); | |
18313 | ||
18314 | iocbq->iocb.ulpCommand = CMD_SEND_FRAME; | |
18315 | iocbq->iocb.ulpLe = 1; | |
18316 | iocbq->iocb_cmpl = lpfc_sli4_mds_loopback_cmpl; | |
18317 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); | |
18318 | if (rc == IOCB_ERROR) | |
18319 | goto exit; | |
18320 | ||
18321 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18322 | return; | |
18323 | ||
18324 | exit: | |
18325 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
18326 | "2023 Unable to process MDS loopback frame\n"); | |
18327 | if (pcmd && pcmd->virt) | |
771db5c0 | 18328 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 | 18329 | kfree(pcmd); |
401bb416 DK |
18330 | if (iocbq) |
18331 | lpfc_sli_release_iocbq(phba, iocbq); | |
ae9e28f3 JS |
18332 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
18333 | } | |
18334 | ||
4f774513 JS |
18335 | /** |
18336 | * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware | |
18337 | * @phba: Pointer to HBA context object. | |
7af29d45 | 18338 | * @dmabuf: Pointer to a dmabuf that describes the FC sequence. |
4f774513 JS |
18339 | * |
18340 | * This function is called with no lock held. This function processes all | |
18341 | * the received buffers and gives it to upper layers when a received buffer | |
18342 | * indicates that it is the final frame in the sequence. The interrupt | |
895427bd | 18343 | * service routine processes received buffers at interrupt contexts. |
4f774513 JS |
18344 | * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the |
18345 | * appropriate receive function when the final frame in a sequence is received. | |
18346 | **/ | |
4d9ab994 JS |
18347 | void |
18348 | lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, | |
18349 | struct hbq_dmabuf *dmabuf) | |
4f774513 | 18350 | { |
4d9ab994 | 18351 | struct hbq_dmabuf *seq_dmabuf; |
4f774513 JS |
18352 | struct fc_frame_header *fc_hdr; |
18353 | struct lpfc_vport *vport; | |
18354 | uint32_t fcfi; | |
939723a4 | 18355 | uint32_t did; |
4f774513 | 18356 | |
4f774513 | 18357 | /* Process each received buffer */ |
4d9ab994 | 18358 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
2ea259ee | 18359 | |
e817e5d7 JS |
18360 | if (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS || |
18361 | fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) { | |
18362 | vport = phba->pport; | |
18363 | /* Handle MDS Loopback frames */ | |
18364 | lpfc_sli4_handle_mds_loopback(vport, dmabuf); | |
18365 | return; | |
18366 | } | |
18367 | ||
4d9ab994 JS |
18368 | /* check to see if this a valid type of frame */ |
18369 | if (lpfc_fc_frame_check(phba, fc_hdr)) { | |
18370 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18371 | return; | |
18372 | } | |
2ea259ee | 18373 | |
7851fe2c JS |
18374 | if ((bf_get(lpfc_cqe_code, |
18375 | &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1)) | |
18376 | fcfi = bf_get(lpfc_rcqe_fcf_id_v1, | |
18377 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
18378 | else | |
18379 | fcfi = bf_get(lpfc_rcqe_fcf_id, | |
18380 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
939723a4 | 18381 | |
e62245d9 JS |
18382 | if (fc_hdr->fh_r_ctl == 0xF4 && fc_hdr->fh_type == 0xFF) { |
18383 | vport = phba->pport; | |
18384 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
18385 | "2023 MDS Loopback %d bytes\n", | |
18386 | bf_get(lpfc_rcqe_length, | |
18387 | &dmabuf->cq_event.cqe.rcqe_cmpl)); | |
18388 | /* Handle MDS Loopback frames */ | |
18389 | lpfc_sli4_handle_mds_loopback(vport, dmabuf); | |
18390 | return; | |
18391 | } | |
18392 | ||
895427bd JS |
18393 | /* d_id this frame is directed to */ |
18394 | did = sli4_did_from_fc_hdr(fc_hdr); | |
18395 | ||
18396 | vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi, did); | |
939723a4 | 18397 | if (!vport) { |
4d9ab994 JS |
18398 | /* throw out the frame */ |
18399 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18400 | return; | |
18401 | } | |
939723a4 | 18402 | |
939723a4 JS |
18403 | /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */ |
18404 | if (!(vport->vpi_state & LPFC_VPI_REGISTERED) && | |
18405 | (did != Fabric_DID)) { | |
18406 | /* | |
18407 | * Throw out the frame if we are not pt2pt. | |
18408 | * The pt2pt protocol allows for discovery frames | |
18409 | * to be received without a registered VPI. | |
18410 | */ | |
18411 | if (!(vport->fc_flag & FC_PT2PT) || | |
18412 | (phba->link_state == LPFC_HBA_READY)) { | |
18413 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18414 | return; | |
18415 | } | |
18416 | } | |
18417 | ||
6669f9bb JS |
18418 | /* Handle the basic abort sequence (BA_ABTS) event */ |
18419 | if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
18420 | lpfc_sli4_handle_unsol_abort(vport, dmabuf); | |
18421 | return; | |
18422 | } | |
18423 | ||
4d9ab994 JS |
18424 | /* Link this frame */ |
18425 | seq_dmabuf = lpfc_fc_frame_add(vport, dmabuf); | |
18426 | if (!seq_dmabuf) { | |
18427 | /* unable to add frame to vport - throw it out */ | |
18428 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18429 | return; | |
18430 | } | |
18431 | /* If not last frame in sequence continue processing frames. */ | |
def9c7a9 | 18432 | if (!lpfc_seq_complete(seq_dmabuf)) |
4d9ab994 | 18433 | return; |
def9c7a9 | 18434 | |
6669f9bb JS |
18435 | /* Send the complete sequence to the upper layer protocol */ |
18436 | lpfc_sli4_send_seq_to_ulp(vport, seq_dmabuf); | |
4f774513 | 18437 | } |
6fb120a7 JS |
18438 | |
18439 | /** | |
18440 | * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port | |
18441 | * @phba: pointer to lpfc hba data structure. | |
18442 | * | |
18443 | * This routine is invoked to post rpi header templates to the | |
18444 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
18445 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
18446 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
18447 | * |
18448 | * This routine does not require any locks. It's usage is expected | |
18449 | * to be driver load or reset recovery when the driver is | |
18450 | * sequential. | |
18451 | * | |
18452 | * Return codes | |
af901ca1 | 18453 | * 0 - successful |
d439d286 | 18454 | * -EIO - The mailbox failed to complete successfully. |
6fb120a7 JS |
18455 | * When this error occurs, the driver is not guaranteed |
18456 | * to have any rpi regions posted to the device and | |
18457 | * must either attempt to repost the regions or take a | |
18458 | * fatal error. | |
18459 | **/ | |
18460 | int | |
18461 | lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba) | |
18462 | { | |
18463 | struct lpfc_rpi_hdr *rpi_page; | |
18464 | uint32_t rc = 0; | |
6d368e53 JS |
18465 | uint16_t lrpi = 0; |
18466 | ||
18467 | /* SLI4 ports that support extents do not require RPI headers. */ | |
18468 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
18469 | goto exit; | |
18470 | if (phba->sli4_hba.extents_in_use) | |
18471 | return -EIO; | |
6fb120a7 | 18472 | |
6fb120a7 | 18473 | list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) { |
6d368e53 JS |
18474 | /* |
18475 | * Assign the rpi headers a physical rpi only if the driver | |
18476 | * has not initialized those resources. A port reset only | |
18477 | * needs the headers posted. | |
18478 | */ | |
18479 | if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) != | |
18480 | LPFC_RPI_RSRC_RDY) | |
18481 | rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
18482 | ||
6fb120a7 JS |
18483 | rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page); |
18484 | if (rc != MBX_SUCCESS) { | |
372c187b | 18485 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18486 | "2008 Error %d posting all rpi " |
18487 | "headers\n", rc); | |
18488 | rc = -EIO; | |
18489 | break; | |
18490 | } | |
18491 | } | |
18492 | ||
6d368e53 JS |
18493 | exit: |
18494 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
18495 | LPFC_RPI_RSRC_RDY); | |
6fb120a7 JS |
18496 | return rc; |
18497 | } | |
18498 | ||
18499 | /** | |
18500 | * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port | |
18501 | * @phba: pointer to lpfc hba data structure. | |
18502 | * @rpi_page: pointer to the rpi memory region. | |
18503 | * | |
18504 | * This routine is invoked to post a single rpi header to the | |
18505 | * HBA consistent with the SLI-4 interface spec. This memory region | |
18506 | * maps up to 64 rpi context regions. | |
18507 | * | |
18508 | * Return codes | |
af901ca1 | 18509 | * 0 - successful |
d439d286 JS |
18510 | * -ENOMEM - No available memory |
18511 | * -EIO - The mailbox failed to complete successfully. | |
6fb120a7 JS |
18512 | **/ |
18513 | int | |
18514 | lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) | |
18515 | { | |
18516 | LPFC_MBOXQ_t *mboxq; | |
18517 | struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl; | |
18518 | uint32_t rc = 0; | |
6fb120a7 JS |
18519 | uint32_t shdr_status, shdr_add_status; |
18520 | union lpfc_sli4_cfg_shdr *shdr; | |
18521 | ||
6d368e53 JS |
18522 | /* SLI4 ports that support extents do not require RPI headers. */ |
18523 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
18524 | return rc; | |
18525 | if (phba->sli4_hba.extents_in_use) | |
18526 | return -EIO; | |
18527 | ||
6fb120a7 JS |
18528 | /* The port is notified of the header region via a mailbox command. */ |
18529 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18530 | if (!mboxq) { | |
372c187b | 18531 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18532 | "2001 Unable to allocate memory for issuing " |
18533 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
18534 | return -ENOMEM; | |
18535 | } | |
18536 | ||
18537 | /* Post all rpi memory regions to the port. */ | |
18538 | hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl; | |
6fb120a7 JS |
18539 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, |
18540 | LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE, | |
18541 | sizeof(struct lpfc_mbx_post_hdr_tmpl) - | |
fedd3b7b JS |
18542 | sizeof(struct lpfc_sli4_cfg_mhdr), |
18543 | LPFC_SLI4_MBX_EMBED); | |
6d368e53 JS |
18544 | |
18545 | ||
18546 | /* Post the physical rpi to the port for this rpi header. */ | |
6fb120a7 JS |
18547 | bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl, |
18548 | rpi_page->start_rpi); | |
6d368e53 JS |
18549 | bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt, |
18550 | hdr_tmpl, rpi_page->page_count); | |
18551 | ||
6fb120a7 JS |
18552 | hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys); |
18553 | hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys); | |
f1126688 | 18554 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
6fb120a7 JS |
18555 | shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr; |
18556 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18557 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18558 | if (rc != MBX_TIMEOUT) | |
18559 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18560 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 18561 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18562 | "2514 POST_RPI_HDR mailbox failed with " |
18563 | "status x%x add_status x%x, mbx status x%x\n", | |
18564 | shdr_status, shdr_add_status, rc); | |
18565 | rc = -ENXIO; | |
845d9e8d JS |
18566 | } else { |
18567 | /* | |
18568 | * The next_rpi stores the next logical module-64 rpi value used | |
18569 | * to post physical rpis in subsequent rpi postings. | |
18570 | */ | |
18571 | spin_lock_irq(&phba->hbalock); | |
18572 | phba->sli4_hba.next_rpi = rpi_page->next_rpi; | |
18573 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
18574 | } |
18575 | return rc; | |
18576 | } | |
18577 | ||
18578 | /** | |
18579 | * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range | |
18580 | * @phba: pointer to lpfc hba data structure. | |
18581 | * | |
18582 | * This routine is invoked to post rpi header templates to the | |
18583 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
18584 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
18585 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
18586 | * |
18587 | * Returns | |
af901ca1 | 18588 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful |
6fb120a7 JS |
18589 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. |
18590 | **/ | |
18591 | int | |
18592 | lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) | |
18593 | { | |
6d368e53 JS |
18594 | unsigned long rpi; |
18595 | uint16_t max_rpi, rpi_limit; | |
18596 | uint16_t rpi_remaining, lrpi = 0; | |
6fb120a7 | 18597 | struct lpfc_rpi_hdr *rpi_hdr; |
4902b381 | 18598 | unsigned long iflag; |
6fb120a7 | 18599 | |
6fb120a7 | 18600 | /* |
6d368e53 JS |
18601 | * Fetch the next logical rpi. Because this index is logical, |
18602 | * the driver starts at 0 each time. | |
6fb120a7 | 18603 | */ |
4902b381 | 18604 | spin_lock_irqsave(&phba->hbalock, iflag); |
be6bb941 JS |
18605 | max_rpi = phba->sli4_hba.max_cfg_param.max_rpi; |
18606 | rpi_limit = phba->sli4_hba.next_rpi; | |
18607 | ||
6d368e53 JS |
18608 | rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0); |
18609 | if (rpi >= rpi_limit) | |
6fb120a7 JS |
18610 | rpi = LPFC_RPI_ALLOC_ERROR; |
18611 | else { | |
18612 | set_bit(rpi, phba->sli4_hba.rpi_bmask); | |
18613 | phba->sli4_hba.max_cfg_param.rpi_used++; | |
18614 | phba->sli4_hba.rpi_count++; | |
18615 | } | |
0f154226 JS |
18616 | lpfc_printf_log(phba, KERN_INFO, |
18617 | LOG_NODE | LOG_DISCOVERY, | |
18618 | "0001 Allocated rpi:x%x max:x%x lim:x%x\n", | |
be6bb941 | 18619 | (int) rpi, max_rpi, rpi_limit); |
6fb120a7 JS |
18620 | |
18621 | /* | |
18622 | * Don't try to allocate more rpi header regions if the device limit | |
6d368e53 | 18623 | * has been exhausted. |
6fb120a7 JS |
18624 | */ |
18625 | if ((rpi == LPFC_RPI_ALLOC_ERROR) && | |
18626 | (phba->sli4_hba.rpi_count >= max_rpi)) { | |
4902b381 | 18627 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
18628 | return rpi; |
18629 | } | |
18630 | ||
6d368e53 JS |
18631 | /* |
18632 | * RPI header postings are not required for SLI4 ports capable of | |
18633 | * extents. | |
18634 | */ | |
18635 | if (!phba->sli4_hba.rpi_hdrs_in_use) { | |
4902b381 | 18636 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6d368e53 JS |
18637 | return rpi; |
18638 | } | |
18639 | ||
6fb120a7 JS |
18640 | /* |
18641 | * If the driver is running low on rpi resources, allocate another | |
18642 | * page now. Note that the next_rpi value is used because | |
18643 | * it represents how many are actually in use whereas max_rpi notes | |
18644 | * how many are supported max by the device. | |
18645 | */ | |
6d368e53 | 18646 | rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count; |
4902b381 | 18647 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
18648 | if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) { |
18649 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
18650 | if (!rpi_hdr) { | |
372c187b | 18651 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18652 | "2002 Error Could not grow rpi " |
18653 | "count\n"); | |
18654 | } else { | |
6d368e53 JS |
18655 | lrpi = rpi_hdr->start_rpi; |
18656 | rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
6fb120a7 JS |
18657 | lpfc_sli4_post_rpi_hdr(phba, rpi_hdr); |
18658 | } | |
18659 | } | |
18660 | ||
18661 | return rpi; | |
18662 | } | |
18663 | ||
d7c47992 JS |
18664 | /** |
18665 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
18666 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 18667 | * @rpi: rpi to free |
d7c47992 JS |
18668 | * |
18669 | * This routine is invoked to release an rpi to the pool of | |
18670 | * available rpis maintained by the driver. | |
18671 | **/ | |
5d8b8167 | 18672 | static void |
d7c47992 JS |
18673 | __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) |
18674 | { | |
7cfd5639 JS |
18675 | /* |
18676 | * if the rpi value indicates a prior unreg has already | |
18677 | * been done, skip the unreg. | |
18678 | */ | |
18679 | if (rpi == LPFC_RPI_ALLOC_ERROR) | |
18680 | return; | |
18681 | ||
d7c47992 JS |
18682 | if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) { |
18683 | phba->sli4_hba.rpi_count--; | |
18684 | phba->sli4_hba.max_cfg_param.rpi_used--; | |
b95b2119 | 18685 | } else { |
0f154226 JS |
18686 | lpfc_printf_log(phba, KERN_INFO, |
18687 | LOG_NODE | LOG_DISCOVERY, | |
b95b2119 JS |
18688 | "2016 rpi %x not inuse\n", |
18689 | rpi); | |
d7c47992 JS |
18690 | } |
18691 | } | |
18692 | ||
6fb120a7 JS |
18693 | /** |
18694 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
18695 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 18696 | * @rpi: rpi to free |
6fb120a7 JS |
18697 | * |
18698 | * This routine is invoked to release an rpi to the pool of | |
18699 | * available rpis maintained by the driver. | |
18700 | **/ | |
18701 | void | |
18702 | lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) | |
18703 | { | |
18704 | spin_lock_irq(&phba->hbalock); | |
d7c47992 | 18705 | __lpfc_sli4_free_rpi(phba, rpi); |
6fb120a7 JS |
18706 | spin_unlock_irq(&phba->hbalock); |
18707 | } | |
18708 | ||
18709 | /** | |
18710 | * lpfc_sli4_remove_rpis - Remove the rpi bitmask region | |
18711 | * @phba: pointer to lpfc hba data structure. | |
18712 | * | |
18713 | * This routine is invoked to remove the memory region that | |
18714 | * provided rpi via a bitmask. | |
18715 | **/ | |
18716 | void | |
18717 | lpfc_sli4_remove_rpis(struct lpfc_hba *phba) | |
18718 | { | |
18719 | kfree(phba->sli4_hba.rpi_bmask); | |
6d368e53 JS |
18720 | kfree(phba->sli4_hba.rpi_ids); |
18721 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6fb120a7 JS |
18722 | } |
18723 | ||
18724 | /** | |
18725 | * lpfc_sli4_resume_rpi - Remove the rpi bitmask region | |
7af29d45 LJ |
18726 | * @ndlp: pointer to lpfc nodelist data structure. |
18727 | * @cmpl: completion call-back. | |
18728 | * @arg: data to load as MBox 'caller buffer information' | |
6fb120a7 JS |
18729 | * |
18730 | * This routine is invoked to remove the memory region that | |
18731 | * provided rpi via a bitmask. | |
18732 | **/ | |
18733 | int | |
6b5151fd JS |
18734 | lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, |
18735 | void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) | |
6fb120a7 JS |
18736 | { |
18737 | LPFC_MBOXQ_t *mboxq; | |
18738 | struct lpfc_hba *phba = ndlp->phba; | |
18739 | int rc; | |
18740 | ||
18741 | /* The port is notified of the header region via a mailbox command. */ | |
18742 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18743 | if (!mboxq) | |
18744 | return -ENOMEM; | |
18745 | ||
18746 | /* Post all rpi memory regions to the port. */ | |
18747 | lpfc_resume_rpi(mboxq, ndlp); | |
6b5151fd JS |
18748 | if (cmpl) { |
18749 | mboxq->mbox_cmpl = cmpl; | |
3e1f0718 JS |
18750 | mboxq->ctx_buf = arg; |
18751 | mboxq->ctx_ndlp = ndlp; | |
72859909 JS |
18752 | } else |
18753 | mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6b5151fd | 18754 | mboxq->vport = ndlp->vport; |
6fb120a7 JS |
18755 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
18756 | if (rc == MBX_NOT_FINISHED) { | |
372c187b | 18757 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18758 | "2010 Resume RPI Mailbox failed " |
18759 | "status %d, mbxStatus x%x\n", rc, | |
18760 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
18761 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18762 | return -EIO; | |
18763 | } | |
18764 | return 0; | |
18765 | } | |
18766 | ||
18767 | /** | |
18768 | * lpfc_sli4_init_vpi - Initialize a vpi with the port | |
76a95d75 | 18769 | * @vport: Pointer to the vport for which the vpi is being initialized |
6fb120a7 | 18770 | * |
76a95d75 | 18771 | * This routine is invoked to activate a vpi with the port. |
6fb120a7 JS |
18772 | * |
18773 | * Returns: | |
18774 | * 0 success | |
18775 | * -Evalue otherwise | |
18776 | **/ | |
18777 | int | |
76a95d75 | 18778 | lpfc_sli4_init_vpi(struct lpfc_vport *vport) |
6fb120a7 JS |
18779 | { |
18780 | LPFC_MBOXQ_t *mboxq; | |
18781 | int rc = 0; | |
6a9c52cf | 18782 | int retval = MBX_SUCCESS; |
6fb120a7 | 18783 | uint32_t mbox_tmo; |
76a95d75 | 18784 | struct lpfc_hba *phba = vport->phba; |
6fb120a7 JS |
18785 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18786 | if (!mboxq) | |
18787 | return -ENOMEM; | |
76a95d75 | 18788 | lpfc_init_vpi(phba, mboxq, vport->vpi); |
a183a15f | 18789 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
6fb120a7 | 18790 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
6fb120a7 | 18791 | if (rc != MBX_SUCCESS) { |
372c187b | 18792 | lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18793 | "2022 INIT VPI Mailbox failed " |
18794 | "status %d, mbxStatus x%x\n", rc, | |
18795 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
6a9c52cf | 18796 | retval = -EIO; |
6fb120a7 | 18797 | } |
6a9c52cf | 18798 | if (rc != MBX_TIMEOUT) |
76a95d75 | 18799 | mempool_free(mboxq, vport->phba->mbox_mem_pool); |
6a9c52cf JS |
18800 | |
18801 | return retval; | |
6fb120a7 JS |
18802 | } |
18803 | ||
18804 | /** | |
18805 | * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler. | |
18806 | * @phba: pointer to lpfc hba data structure. | |
18807 | * @mboxq: Pointer to mailbox object. | |
18808 | * | |
18809 | * This routine is invoked to manually add a single FCF record. The caller | |
18810 | * must pass a completely initialized FCF_Record. This routine takes | |
18811 | * care of the nonembedded mailbox operations. | |
18812 | **/ | |
18813 | static void | |
18814 | lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
18815 | { | |
18816 | void *virt_addr; | |
18817 | union lpfc_sli4_cfg_shdr *shdr; | |
18818 | uint32_t shdr_status, shdr_add_status; | |
18819 | ||
18820 | virt_addr = mboxq->sge_array->addr[0]; | |
18821 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
18822 | shdr = (union lpfc_sli4_cfg_shdr *) virt_addr; | |
18823 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18824 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18825 | ||
18826 | if ((shdr_status || shdr_add_status) && | |
18827 | (shdr_status != STATUS_FCF_IN_USE)) | |
372c187b | 18828 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18829 | "2558 ADD_FCF_RECORD mailbox failed with " |
18830 | "status x%x add_status x%x\n", | |
18831 | shdr_status, shdr_add_status); | |
18832 | ||
18833 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18834 | } | |
18835 | ||
18836 | /** | |
18837 | * lpfc_sli4_add_fcf_record - Manually add an FCF Record. | |
18838 | * @phba: pointer to lpfc hba data structure. | |
18839 | * @fcf_record: pointer to the initialized fcf record to add. | |
18840 | * | |
18841 | * This routine is invoked to manually add a single FCF record. The caller | |
18842 | * must pass a completely initialized FCF_Record. This routine takes | |
18843 | * care of the nonembedded mailbox operations. | |
18844 | **/ | |
18845 | int | |
18846 | lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record) | |
18847 | { | |
18848 | int rc = 0; | |
18849 | LPFC_MBOXQ_t *mboxq; | |
18850 | uint8_t *bytep; | |
18851 | void *virt_addr; | |
6fb120a7 JS |
18852 | struct lpfc_mbx_sge sge; |
18853 | uint32_t alloc_len, req_len; | |
18854 | uint32_t fcfindex; | |
18855 | ||
18856 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18857 | if (!mboxq) { | |
372c187b | 18858 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18859 | "2009 Failed to allocate mbox for ADD_FCF cmd\n"); |
18860 | return -ENOMEM; | |
18861 | } | |
18862 | ||
18863 | req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) + | |
18864 | sizeof(uint32_t); | |
18865 | ||
18866 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
18867 | alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
18868 | LPFC_MBOX_OPCODE_FCOE_ADD_FCF, | |
18869 | req_len, LPFC_SLI4_MBX_NEMBED); | |
18870 | if (alloc_len < req_len) { | |
372c187b | 18871 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18872 | "2523 Allocated DMA memory size (x%x) is " |
18873 | "less than the requested DMA memory " | |
18874 | "size (x%x)\n", alloc_len, req_len); | |
18875 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18876 | return -ENOMEM; | |
18877 | } | |
18878 | ||
18879 | /* | |
18880 | * Get the first SGE entry from the non-embedded DMA memory. This | |
18881 | * routine only uses a single SGE. | |
18882 | */ | |
18883 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
6fb120a7 JS |
18884 | virt_addr = mboxq->sge_array->addr[0]; |
18885 | /* | |
18886 | * Configure the FCF record for FCFI 0. This is the driver's | |
18887 | * hardcoded default and gets used in nonFIP mode. | |
18888 | */ | |
18889 | fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record); | |
18890 | bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); | |
18891 | lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t)); | |
18892 | ||
18893 | /* | |
18894 | * Copy the fcf_index and the FCF Record Data. The data starts after | |
18895 | * the FCoE header plus word10. The data copy needs to be endian | |
18896 | * correct. | |
18897 | */ | |
18898 | bytep += sizeof(uint32_t); | |
18899 | lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record)); | |
18900 | mboxq->vport = phba->pport; | |
18901 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record; | |
18902 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
18903 | if (rc == MBX_NOT_FINISHED) { | |
372c187b | 18904 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18905 | "2515 ADD_FCF_RECORD mailbox failed with " |
18906 | "status 0x%x\n", rc); | |
18907 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18908 | rc = -EIO; | |
18909 | } else | |
18910 | rc = 0; | |
18911 | ||
18912 | return rc; | |
18913 | } | |
18914 | ||
18915 | /** | |
18916 | * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record. | |
18917 | * @phba: pointer to lpfc hba data structure. | |
18918 | * @fcf_record: pointer to the fcf record to write the default data. | |
18919 | * @fcf_index: FCF table entry index. | |
18920 | * | |
18921 | * This routine is invoked to build the driver's default FCF record. The | |
18922 | * values used are hardcoded. This routine handles memory initialization. | |
18923 | * | |
18924 | **/ | |
18925 | void | |
18926 | lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba, | |
18927 | struct fcf_record *fcf_record, | |
18928 | uint16_t fcf_index) | |
18929 | { | |
18930 | memset(fcf_record, 0, sizeof(struct fcf_record)); | |
18931 | fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE; | |
18932 | fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER; | |
18933 | fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY; | |
18934 | bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]); | |
18935 | bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]); | |
18936 | bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]); | |
18937 | bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3); | |
18938 | bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4); | |
18939 | bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5); | |
18940 | bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]); | |
18941 | bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]); | |
18942 | bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]); | |
18943 | bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1); | |
0c287589 | 18944 | bf_set(lpfc_fcf_record_fcf_avail, fcf_record, 1); |
6fb120a7 JS |
18945 | bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index); |
18946 | bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record, | |
18947 | LPFC_FCF_FPMA | LPFC_FCF_SPMA); | |
18948 | /* Set the VLAN bit map */ | |
18949 | if (phba->valid_vlan) { | |
18950 | fcf_record->vlan_bitmap[phba->vlan_id / 8] | |
18951 | = 1 << (phba->vlan_id % 8); | |
18952 | } | |
18953 | } | |
18954 | ||
18955 | /** | |
0c9ab6f5 | 18956 | * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan. |
6fb120a7 JS |
18957 | * @phba: pointer to lpfc hba data structure. |
18958 | * @fcf_index: FCF table entry offset. | |
18959 | * | |
0c9ab6f5 JS |
18960 | * This routine is invoked to scan the entire FCF table by reading FCF |
18961 | * record and processing it one at a time starting from the @fcf_index | |
18962 | * for initial FCF discovery or fast FCF failover rediscovery. | |
18963 | * | |
25985edc | 18964 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 | 18965 | * otherwise. |
6fb120a7 JS |
18966 | **/ |
18967 | int | |
0c9ab6f5 | 18968 | lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) |
6fb120a7 JS |
18969 | { |
18970 | int rc = 0, error; | |
18971 | LPFC_MBOXQ_t *mboxq; | |
6fb120a7 | 18972 | |
32b9793f | 18973 | phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag; |
80c17849 | 18974 | phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag; |
6fb120a7 JS |
18975 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18976 | if (!mboxq) { | |
372c187b | 18977 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
6fb120a7 JS |
18978 | "2000 Failed to allocate mbox for " |
18979 | "READ_FCF cmd\n"); | |
4d9ab994 | 18980 | error = -ENOMEM; |
0c9ab6f5 | 18981 | goto fail_fcf_scan; |
6fb120a7 | 18982 | } |
ecfd03c6 | 18983 | /* Construct the read FCF record mailbox command */ |
0c9ab6f5 | 18984 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); |
ecfd03c6 JS |
18985 | if (rc) { |
18986 | error = -EINVAL; | |
0c9ab6f5 | 18987 | goto fail_fcf_scan; |
6fb120a7 | 18988 | } |
ecfd03c6 | 18989 | /* Issue the mailbox command asynchronously */ |
6fb120a7 | 18990 | mboxq->vport = phba->pport; |
0c9ab6f5 | 18991 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; |
a93ff37a JS |
18992 | |
18993 | spin_lock_irq(&phba->hbalock); | |
18994 | phba->hba_flag |= FCF_TS_INPROG; | |
18995 | spin_unlock_irq(&phba->hbalock); | |
18996 | ||
6fb120a7 | 18997 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
ecfd03c6 | 18998 | if (rc == MBX_NOT_FINISHED) |
6fb120a7 | 18999 | error = -EIO; |
ecfd03c6 | 19000 | else { |
38b92ef8 JS |
19001 | /* Reset eligible FCF count for new scan */ |
19002 | if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) | |
999d813f | 19003 | phba->fcf.eligible_fcf_cnt = 0; |
6fb120a7 | 19004 | error = 0; |
32b9793f | 19005 | } |
0c9ab6f5 | 19006 | fail_fcf_scan: |
4d9ab994 JS |
19007 | if (error) { |
19008 | if (mboxq) | |
19009 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
a93ff37a | 19010 | /* FCF scan failed, clear FCF_TS_INPROG flag */ |
4d9ab994 | 19011 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 19012 | phba->hba_flag &= ~FCF_TS_INPROG; |
4d9ab994 JS |
19013 | spin_unlock_irq(&phba->hbalock); |
19014 | } | |
6fb120a7 JS |
19015 | return error; |
19016 | } | |
a0c87cbd | 19017 | |
0c9ab6f5 | 19018 | /** |
a93ff37a | 19019 | * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf. |
0c9ab6f5 JS |
19020 | * @phba: pointer to lpfc hba data structure. |
19021 | * @fcf_index: FCF table entry offset. | |
19022 | * | |
19023 | * This routine is invoked to read an FCF record indicated by @fcf_index | |
a93ff37a | 19024 | * and to use it for FLOGI roundrobin FCF failover. |
0c9ab6f5 | 19025 | * |
25985edc | 19026 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
19027 | * otherwise. |
19028 | **/ | |
19029 | int | |
19030 | lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
19031 | { | |
19032 | int rc = 0, error; | |
19033 | LPFC_MBOXQ_t *mboxq; | |
19034 | ||
19035 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19036 | if (!mboxq) { | |
19037 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
19038 | "2763 Failed to allocate mbox for " | |
19039 | "READ_FCF cmd\n"); | |
19040 | error = -ENOMEM; | |
19041 | goto fail_fcf_read; | |
19042 | } | |
19043 | /* Construct the read FCF record mailbox command */ | |
19044 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
19045 | if (rc) { | |
19046 | error = -EINVAL; | |
19047 | goto fail_fcf_read; | |
19048 | } | |
19049 | /* Issue the mailbox command asynchronously */ | |
19050 | mboxq->vport = phba->pport; | |
19051 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec; | |
19052 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
19053 | if (rc == MBX_NOT_FINISHED) | |
19054 | error = -EIO; | |
19055 | else | |
19056 | error = 0; | |
19057 | ||
19058 | fail_fcf_read: | |
19059 | if (error && mboxq) | |
19060 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
19061 | return error; | |
19062 | } | |
19063 | ||
19064 | /** | |
19065 | * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask. | |
19066 | * @phba: pointer to lpfc hba data structure. | |
19067 | * @fcf_index: FCF table entry offset. | |
19068 | * | |
19069 | * This routine is invoked to read an FCF record indicated by @fcf_index to | |
a93ff37a | 19070 | * determine whether it's eligible for FLOGI roundrobin failover list. |
0c9ab6f5 | 19071 | * |
25985edc | 19072 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
19073 | * otherwise. |
19074 | **/ | |
19075 | int | |
19076 | lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
19077 | { | |
19078 | int rc = 0, error; | |
19079 | LPFC_MBOXQ_t *mboxq; | |
19080 | ||
19081 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19082 | if (!mboxq) { | |
19083 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
19084 | "2758 Failed to allocate mbox for " | |
19085 | "READ_FCF cmd\n"); | |
19086 | error = -ENOMEM; | |
19087 | goto fail_fcf_read; | |
19088 | } | |
19089 | /* Construct the read FCF record mailbox command */ | |
19090 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
19091 | if (rc) { | |
19092 | error = -EINVAL; | |
19093 | goto fail_fcf_read; | |
19094 | } | |
19095 | /* Issue the mailbox command asynchronously */ | |
19096 | mboxq->vport = phba->pport; | |
19097 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec; | |
19098 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
19099 | if (rc == MBX_NOT_FINISHED) | |
19100 | error = -EIO; | |
19101 | else | |
19102 | error = 0; | |
19103 | ||
19104 | fail_fcf_read: | |
19105 | if (error && mboxq) | |
19106 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
19107 | return error; | |
19108 | } | |
19109 | ||
7d791df7 | 19110 | /** |
f5cb5304 | 19111 | * lpfc_check_next_fcf_pri_level |
7af29d45 | 19112 | * @phba: pointer to the lpfc_hba struct for this port. |
7d791df7 JS |
19113 | * This routine is called from the lpfc_sli4_fcf_rr_next_index_get |
19114 | * routine when the rr_bmask is empty. The FCF indecies are put into the | |
19115 | * rr_bmask based on their priority level. Starting from the highest priority | |
19116 | * to the lowest. The most likely FCF candidate will be in the highest | |
19117 | * priority group. When this routine is called it searches the fcf_pri list for | |
19118 | * next lowest priority group and repopulates the rr_bmask with only those | |
19119 | * fcf_indexes. | |
19120 | * returns: | |
19121 | * 1=success 0=failure | |
19122 | **/ | |
5d8b8167 | 19123 | static int |
7d791df7 JS |
19124 | lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba) |
19125 | { | |
19126 | uint16_t next_fcf_pri; | |
19127 | uint16_t last_index; | |
19128 | struct lpfc_fcf_pri *fcf_pri; | |
19129 | int rc; | |
19130 | int ret = 0; | |
19131 | ||
19132 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
19133 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
19134 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
19135 | "3060 Last IDX %d\n", last_index); | |
2562669c JS |
19136 | |
19137 | /* Verify the priority list has 2 or more entries */ | |
19138 | spin_lock_irq(&phba->hbalock); | |
19139 | if (list_empty(&phba->fcf.fcf_pri_list) || | |
19140 | list_is_singular(&phba->fcf.fcf_pri_list)) { | |
19141 | spin_unlock_irq(&phba->hbalock); | |
7d791df7 JS |
19142 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
19143 | "3061 Last IDX %d\n", last_index); | |
19144 | return 0; /* Empty rr list */ | |
19145 | } | |
2562669c JS |
19146 | spin_unlock_irq(&phba->hbalock); |
19147 | ||
7d791df7 JS |
19148 | next_fcf_pri = 0; |
19149 | /* | |
19150 | * Clear the rr_bmask and set all of the bits that are at this | |
19151 | * priority. | |
19152 | */ | |
19153 | memset(phba->fcf.fcf_rr_bmask, 0, | |
19154 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
19155 | spin_lock_irq(&phba->hbalock); | |
19156 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
19157 | if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED) | |
19158 | continue; | |
19159 | /* | |
19160 | * the 1st priority that has not FLOGI failed | |
19161 | * will be the highest. | |
19162 | */ | |
19163 | if (!next_fcf_pri) | |
19164 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
19165 | spin_unlock_irq(&phba->hbalock); | |
19166 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
19167 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
19168 | fcf_pri->fcf_rec.fcf_index); | |
19169 | if (rc) | |
19170 | return 0; | |
19171 | } | |
19172 | spin_lock_irq(&phba->hbalock); | |
19173 | } | |
19174 | /* | |
19175 | * if next_fcf_pri was not set above and the list is not empty then | |
19176 | * we have failed flogis on all of them. So reset flogi failed | |
4907cb7b | 19177 | * and start at the beginning. |
7d791df7 JS |
19178 | */ |
19179 | if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) { | |
19180 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
19181 | fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED; | |
19182 | /* | |
19183 | * the 1st priority that has not FLOGI failed | |
19184 | * will be the highest. | |
19185 | */ | |
19186 | if (!next_fcf_pri) | |
19187 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
19188 | spin_unlock_irq(&phba->hbalock); | |
19189 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
19190 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
19191 | fcf_pri->fcf_rec.fcf_index); | |
19192 | if (rc) | |
19193 | return 0; | |
19194 | } | |
19195 | spin_lock_irq(&phba->hbalock); | |
19196 | } | |
19197 | } else | |
19198 | ret = 1; | |
19199 | spin_unlock_irq(&phba->hbalock); | |
19200 | ||
19201 | return ret; | |
19202 | } | |
0c9ab6f5 JS |
19203 | /** |
19204 | * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index | |
19205 | * @phba: pointer to lpfc hba data structure. | |
19206 | * | |
19207 | * This routine is to get the next eligible FCF record index in a round | |
19208 | * robin fashion. If the next eligible FCF record index equals to the | |
a93ff37a | 19209 | * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) |
0c9ab6f5 JS |
19210 | * shall be returned, otherwise, the next eligible FCF record's index |
19211 | * shall be returned. | |
19212 | **/ | |
19213 | uint16_t | |
19214 | lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) | |
19215 | { | |
19216 | uint16_t next_fcf_index; | |
19217 | ||
421c6622 | 19218 | initial_priority: |
3804dc84 | 19219 | /* Search start from next bit of currently registered FCF index */ |
421c6622 JS |
19220 | next_fcf_index = phba->fcf.current_rec.fcf_indx; |
19221 | ||
7d791df7 | 19222 | next_priority: |
421c6622 JS |
19223 | /* Determine the next fcf index to check */ |
19224 | next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX; | |
0c9ab6f5 JS |
19225 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
19226 | LPFC_SLI4_FCF_TBL_INDX_MAX, | |
3804dc84 JS |
19227 | next_fcf_index); |
19228 | ||
0c9ab6f5 | 19229 | /* Wrap around condition on phba->fcf.fcf_rr_bmask */ |
7d791df7 JS |
19230 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
19231 | /* | |
19232 | * If we have wrapped then we need to clear the bits that | |
19233 | * have been tested so that we can detect when we should | |
19234 | * change the priority level. | |
19235 | */ | |
0c9ab6f5 JS |
19236 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
19237 | LPFC_SLI4_FCF_TBL_INDX_MAX, 0); | |
7d791df7 JS |
19238 | } |
19239 | ||
3804dc84 JS |
19240 | |
19241 | /* Check roundrobin failover list empty condition */ | |
7d791df7 JS |
19242 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX || |
19243 | next_fcf_index == phba->fcf.current_rec.fcf_indx) { | |
19244 | /* | |
19245 | * If next fcf index is not found check if there are lower | |
19246 | * Priority level fcf's in the fcf_priority list. | |
19247 | * Set up the rr_bmask with all of the avaiable fcf bits | |
19248 | * at that level and continue the selection process. | |
19249 | */ | |
19250 | if (lpfc_check_next_fcf_pri_level(phba)) | |
421c6622 | 19251 | goto initial_priority; |
3804dc84 JS |
19252 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
19253 | "2844 No roundrobin failover FCF available\n"); | |
036cad1f JS |
19254 | |
19255 | return LPFC_FCOE_FCF_NEXT_NONE; | |
3804dc84 JS |
19256 | } |
19257 | ||
7d791df7 JS |
19258 | if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX && |
19259 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag & | |
f5cb5304 JS |
19260 | LPFC_FCF_FLOGI_FAILED) { |
19261 | if (list_is_singular(&phba->fcf.fcf_pri_list)) | |
19262 | return LPFC_FCOE_FCF_NEXT_NONE; | |
19263 | ||
7d791df7 | 19264 | goto next_priority; |
f5cb5304 | 19265 | } |
7d791df7 | 19266 | |
3804dc84 | 19267 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
19268 | "2845 Get next roundrobin failover FCF (x%x)\n", |
19269 | next_fcf_index); | |
19270 | ||
0c9ab6f5 JS |
19271 | return next_fcf_index; |
19272 | } | |
19273 | ||
19274 | /** | |
19275 | * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index | |
19276 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 19277 | * @fcf_index: index into the FCF table to 'set' |
0c9ab6f5 JS |
19278 | * |
19279 | * This routine sets the FCF record index in to the eligible bmask for | |
a93ff37a | 19280 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
19281 | * does not go beyond the range of the driver allocated bmask dimension |
19282 | * before setting the bit. | |
19283 | * | |
19284 | * Returns 0 if the index bit successfully set, otherwise, it returns | |
19285 | * -EINVAL. | |
19286 | **/ | |
19287 | int | |
19288 | lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) | |
19289 | { | |
19290 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
19291 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
19292 | "2610 FCF (x%x) reached driver's book " |
19293 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
19294 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
19295 | return -EINVAL; | |
19296 | } | |
19297 | /* Set the eligible FCF record index bmask */ | |
19298 | set_bit(fcf_index, phba->fcf.fcf_rr_bmask); | |
19299 | ||
3804dc84 | 19300 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 19301 | "2790 Set FCF (x%x) to roundrobin FCF failover " |
3804dc84 JS |
19302 | "bmask\n", fcf_index); |
19303 | ||
0c9ab6f5 JS |
19304 | return 0; |
19305 | } | |
19306 | ||
19307 | /** | |
3804dc84 | 19308 | * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index |
0c9ab6f5 | 19309 | * @phba: pointer to lpfc hba data structure. |
7af29d45 | 19310 | * @fcf_index: index into the FCF table to 'clear' |
0c9ab6f5 JS |
19311 | * |
19312 | * This routine clears the FCF record index from the eligible bmask for | |
a93ff37a | 19313 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
19314 | * does not go beyond the range of the driver allocated bmask dimension |
19315 | * before clearing the bit. | |
19316 | **/ | |
19317 | void | |
19318 | lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) | |
19319 | { | |
9a803a74 | 19320 | struct lpfc_fcf_pri *fcf_pri, *fcf_pri_next; |
0c9ab6f5 JS |
19321 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
19322 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
19323 | "2762 FCF (x%x) reached driver's book " |
19324 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
19325 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
19326 | return; | |
19327 | } | |
19328 | /* Clear the eligible FCF record index bmask */ | |
7d791df7 | 19329 | spin_lock_irq(&phba->hbalock); |
9a803a74 JS |
19330 | list_for_each_entry_safe(fcf_pri, fcf_pri_next, &phba->fcf.fcf_pri_list, |
19331 | list) { | |
7d791df7 JS |
19332 | if (fcf_pri->fcf_rec.fcf_index == fcf_index) { |
19333 | list_del_init(&fcf_pri->list); | |
19334 | break; | |
19335 | } | |
19336 | } | |
19337 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 19338 | clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); |
3804dc84 JS |
19339 | |
19340 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 19341 | "2791 Clear FCF (x%x) from roundrobin failover " |
3804dc84 | 19342 | "bmask\n", fcf_index); |
0c9ab6f5 JS |
19343 | } |
19344 | ||
ecfd03c6 JS |
19345 | /** |
19346 | * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table | |
19347 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 19348 | * @mbox: An allocated pointer to type LPFC_MBOXQ_t |
ecfd03c6 JS |
19349 | * |
19350 | * This routine is the completion routine for the rediscover FCF table mailbox | |
19351 | * command. If the mailbox command returned failure, it will try to stop the | |
19352 | * FCF rediscover wait timer. | |
19353 | **/ | |
5d8b8167 | 19354 | static void |
ecfd03c6 JS |
19355 | lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) |
19356 | { | |
19357 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
19358 | uint32_t shdr_status, shdr_add_status; | |
19359 | ||
19360 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
19361 | ||
19362 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
19363 | &redisc_fcf->header.cfg_shdr.response); | |
19364 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
19365 | &redisc_fcf->header.cfg_shdr.response); | |
19366 | if (shdr_status || shdr_add_status) { | |
0c9ab6f5 | 19367 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
ecfd03c6 JS |
19368 | "2746 Requesting for FCF rediscovery failed " |
19369 | "status x%x add_status x%x\n", | |
19370 | shdr_status, shdr_add_status); | |
0c9ab6f5 | 19371 | if (phba->fcf.fcf_flag & FCF_ACVL_DISC) { |
fc2b989b | 19372 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 19373 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b JS |
19374 | spin_unlock_irq(&phba->hbalock); |
19375 | /* | |
19376 | * CVL event triggered FCF rediscover request failed, | |
19377 | * last resort to re-try current registered FCF entry. | |
19378 | */ | |
19379 | lpfc_retry_pport_discovery(phba); | |
19380 | } else { | |
19381 | spin_lock_irq(&phba->hbalock); | |
0c9ab6f5 | 19382 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; |
fc2b989b JS |
19383 | spin_unlock_irq(&phba->hbalock); |
19384 | /* | |
19385 | * DEAD FCF event triggered FCF rediscover request | |
19386 | * failed, last resort to fail over as a link down | |
19387 | * to FCF registration. | |
19388 | */ | |
19389 | lpfc_sli4_fcf_dead_failthrough(phba); | |
19390 | } | |
0c9ab6f5 JS |
19391 | } else { |
19392 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 19393 | "2775 Start FCF rediscover quiescent timer\n"); |
ecfd03c6 JS |
19394 | /* |
19395 | * Start FCF rediscovery wait timer for pending FCF | |
19396 | * before rescan FCF record table. | |
19397 | */ | |
19398 | lpfc_fcf_redisc_wait_start_timer(phba); | |
0c9ab6f5 | 19399 | } |
ecfd03c6 JS |
19400 | |
19401 | mempool_free(mbox, phba->mbox_mem_pool); | |
19402 | } | |
19403 | ||
19404 | /** | |
3804dc84 | 19405 | * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port. |
ecfd03c6 JS |
19406 | * @phba: pointer to lpfc hba data structure. |
19407 | * | |
19408 | * This routine is invoked to request for rediscovery of the entire FCF table | |
19409 | * by the port. | |
19410 | **/ | |
19411 | int | |
19412 | lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba) | |
19413 | { | |
19414 | LPFC_MBOXQ_t *mbox; | |
19415 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
19416 | int rc, length; | |
19417 | ||
0c9ab6f5 JS |
19418 | /* Cancel retry delay timers to all vports before FCF rediscover */ |
19419 | lpfc_cancel_all_vport_retry_delay_timer(phba); | |
19420 | ||
ecfd03c6 JS |
19421 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
19422 | if (!mbox) { | |
372c187b | 19423 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
ecfd03c6 JS |
19424 | "2745 Failed to allocate mbox for " |
19425 | "requesting FCF rediscover.\n"); | |
19426 | return -ENOMEM; | |
19427 | } | |
19428 | ||
19429 | length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) - | |
19430 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
19431 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
19432 | LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF, | |
19433 | length, LPFC_SLI4_MBX_EMBED); | |
19434 | ||
19435 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
19436 | /* Set count to 0 for invalidating the entire FCF database */ | |
19437 | bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0); | |
19438 | ||
19439 | /* Issue the mailbox command asynchronously */ | |
19440 | mbox->vport = phba->pport; | |
19441 | mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table; | |
19442 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
19443 | ||
19444 | if (rc == MBX_NOT_FINISHED) { | |
19445 | mempool_free(mbox, phba->mbox_mem_pool); | |
19446 | return -EIO; | |
19447 | } | |
19448 | return 0; | |
19449 | } | |
19450 | ||
fc2b989b JS |
19451 | /** |
19452 | * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event | |
19453 | * @phba: pointer to lpfc hba data structure. | |
19454 | * | |
19455 | * This function is the failover routine as a last resort to the FCF DEAD | |
19456 | * event when driver failed to perform fast FCF failover. | |
19457 | **/ | |
19458 | void | |
19459 | lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba) | |
19460 | { | |
19461 | uint32_t link_state; | |
19462 | ||
19463 | /* | |
19464 | * Last resort as FCF DEAD event failover will treat this as | |
19465 | * a link down, but save the link state because we don't want | |
19466 | * it to be changed to Link Down unless it is already down. | |
19467 | */ | |
19468 | link_state = phba->link_state; | |
19469 | lpfc_linkdown(phba); | |
19470 | phba->link_state = link_state; | |
19471 | ||
19472 | /* Unregister FCF if no devices connected to it */ | |
19473 | lpfc_unregister_unused_fcf(phba); | |
19474 | } | |
19475 | ||
a0c87cbd | 19476 | /** |
026abb87 | 19477 | * lpfc_sli_get_config_region23 - Get sli3 port region 23 data. |
a0c87cbd | 19478 | * @phba: pointer to lpfc hba data structure. |
026abb87 | 19479 | * @rgn23_data: pointer to configure region 23 data. |
a0c87cbd | 19480 | * |
026abb87 JS |
19481 | * This function gets SLI3 port configure region 23 data through memory dump |
19482 | * mailbox command. When it successfully retrieves data, the size of the data | |
19483 | * will be returned, otherwise, 0 will be returned. | |
a0c87cbd | 19484 | **/ |
026abb87 JS |
19485 | static uint32_t |
19486 | lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
a0c87cbd JS |
19487 | { |
19488 | LPFC_MBOXQ_t *pmb = NULL; | |
19489 | MAILBOX_t *mb; | |
026abb87 | 19490 | uint32_t offset = 0; |
d91e3abb | 19491 | int i, rc; |
a0c87cbd | 19492 | |
026abb87 JS |
19493 | if (!rgn23_data) |
19494 | return 0; | |
19495 | ||
a0c87cbd JS |
19496 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
19497 | if (!pmb) { | |
372c187b | 19498 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
026abb87 JS |
19499 | "2600 failed to allocate mailbox memory\n"); |
19500 | return 0; | |
a0c87cbd JS |
19501 | } |
19502 | mb = &pmb->u.mb; | |
19503 | ||
a0c87cbd JS |
19504 | do { |
19505 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23); | |
19506 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
19507 | ||
19508 | if (rc != MBX_SUCCESS) { | |
19509 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
026abb87 JS |
19510 | "2601 failed to read config " |
19511 | "region 23, rc 0x%x Status 0x%x\n", | |
19512 | rc, mb->mbxStatus); | |
a0c87cbd JS |
19513 | mb->un.varDmp.word_cnt = 0; |
19514 | } | |
19515 | /* | |
19516 | * dump mem may return a zero when finished or we got a | |
19517 | * mailbox error, either way we are done. | |
19518 | */ | |
19519 | if (mb->un.varDmp.word_cnt == 0) | |
19520 | break; | |
a0c87cbd | 19521 | |
d91e3abb DK |
19522 | i = mb->un.varDmp.word_cnt * sizeof(uint32_t); |
19523 | if (offset + i > DMP_RGN23_SIZE) | |
19524 | i = DMP_RGN23_SIZE - offset; | |
a0c87cbd | 19525 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, |
d91e3abb DK |
19526 | rgn23_data + offset, i); |
19527 | offset += i; | |
19528 | } while (offset < DMP_RGN23_SIZE); | |
a0c87cbd | 19529 | |
026abb87 JS |
19530 | mempool_free(pmb, phba->mbox_mem_pool); |
19531 | return offset; | |
19532 | } | |
19533 | ||
19534 | /** | |
19535 | * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data. | |
19536 | * @phba: pointer to lpfc hba data structure. | |
19537 | * @rgn23_data: pointer to configure region 23 data. | |
19538 | * | |
19539 | * This function gets SLI4 port configure region 23 data through memory dump | |
19540 | * mailbox command. When it successfully retrieves data, the size of the data | |
19541 | * will be returned, otherwise, 0 will be returned. | |
19542 | **/ | |
19543 | static uint32_t | |
19544 | lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
19545 | { | |
19546 | LPFC_MBOXQ_t *mboxq = NULL; | |
19547 | struct lpfc_dmabuf *mp = NULL; | |
19548 | struct lpfc_mqe *mqe; | |
19549 | uint32_t data_length = 0; | |
19550 | int rc; | |
19551 | ||
19552 | if (!rgn23_data) | |
19553 | return 0; | |
19554 | ||
19555 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19556 | if (!mboxq) { | |
372c187b | 19557 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
026abb87 JS |
19558 | "3105 failed to allocate mailbox memory\n"); |
19559 | return 0; | |
19560 | } | |
19561 | ||
19562 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) | |
19563 | goto out; | |
19564 | mqe = &mboxq->u.mqe; | |
3e1f0718 | 19565 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
026abb87 JS |
19566 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
19567 | if (rc) | |
19568 | goto out; | |
19569 | data_length = mqe->un.mb_words[5]; | |
19570 | if (data_length == 0) | |
19571 | goto out; | |
19572 | if (data_length > DMP_RGN23_SIZE) { | |
19573 | data_length = 0; | |
19574 | goto out; | |
19575 | } | |
19576 | lpfc_sli_pcimem_bcopy((char *)mp->virt, rgn23_data, data_length); | |
19577 | out: | |
19578 | mempool_free(mboxq, phba->mbox_mem_pool); | |
19579 | if (mp) { | |
19580 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
19581 | kfree(mp); | |
19582 | } | |
19583 | return data_length; | |
19584 | } | |
19585 | ||
19586 | /** | |
19587 | * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled. | |
19588 | * @phba: pointer to lpfc hba data structure. | |
19589 | * | |
19590 | * This function read region 23 and parse TLV for port status to | |
19591 | * decide if the user disaled the port. If the TLV indicates the | |
19592 | * port is disabled, the hba_flag is set accordingly. | |
19593 | **/ | |
19594 | void | |
19595 | lpfc_sli_read_link_ste(struct lpfc_hba *phba) | |
19596 | { | |
19597 | uint8_t *rgn23_data = NULL; | |
19598 | uint32_t if_type, data_size, sub_tlv_len, tlv_offset; | |
19599 | uint32_t offset = 0; | |
19600 | ||
19601 | /* Get adapter Region 23 data */ | |
19602 | rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL); | |
19603 | if (!rgn23_data) | |
19604 | goto out; | |
19605 | ||
19606 | if (phba->sli_rev < LPFC_SLI_REV4) | |
19607 | data_size = lpfc_sli_get_config_region23(phba, rgn23_data); | |
19608 | else { | |
19609 | if_type = bf_get(lpfc_sli_intf_if_type, | |
19610 | &phba->sli4_hba.sli_intf); | |
19611 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) | |
19612 | goto out; | |
19613 | data_size = lpfc_sli4_get_config_region23(phba, rgn23_data); | |
19614 | } | |
a0c87cbd JS |
19615 | |
19616 | if (!data_size) | |
19617 | goto out; | |
19618 | ||
19619 | /* Check the region signature first */ | |
19620 | if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) { | |
372c187b | 19621 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
a0c87cbd JS |
19622 | "2619 Config region 23 has bad signature\n"); |
19623 | goto out; | |
19624 | } | |
19625 | offset += 4; | |
19626 | ||
19627 | /* Check the data structure version */ | |
19628 | if (rgn23_data[offset] != LPFC_REGION23_VERSION) { | |
372c187b | 19629 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
a0c87cbd JS |
19630 | "2620 Config region 23 has bad version\n"); |
19631 | goto out; | |
19632 | } | |
19633 | offset += 4; | |
19634 | ||
19635 | /* Parse TLV entries in the region */ | |
19636 | while (offset < data_size) { | |
19637 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) | |
19638 | break; | |
19639 | /* | |
19640 | * If the TLV is not driver specific TLV or driver id is | |
19641 | * not linux driver id, skip the record. | |
19642 | */ | |
19643 | if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) || | |
19644 | (rgn23_data[offset + 2] != LINUX_DRIVER_ID) || | |
19645 | (rgn23_data[offset + 3] != 0)) { | |
19646 | offset += rgn23_data[offset + 1] * 4 + 4; | |
19647 | continue; | |
19648 | } | |
19649 | ||
19650 | /* Driver found a driver specific TLV in the config region */ | |
19651 | sub_tlv_len = rgn23_data[offset + 1] * 4; | |
19652 | offset += 4; | |
19653 | tlv_offset = 0; | |
19654 | ||
19655 | /* | |
19656 | * Search for configured port state sub-TLV. | |
19657 | */ | |
19658 | while ((offset < data_size) && | |
19659 | (tlv_offset < sub_tlv_len)) { | |
19660 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) { | |
19661 | offset += 4; | |
19662 | tlv_offset += 4; | |
19663 | break; | |
19664 | } | |
19665 | if (rgn23_data[offset] != PORT_STE_TYPE) { | |
19666 | offset += rgn23_data[offset + 1] * 4 + 4; | |
19667 | tlv_offset += rgn23_data[offset + 1] * 4 + 4; | |
19668 | continue; | |
19669 | } | |
19670 | ||
19671 | /* This HBA contains PORT_STE configured */ | |
19672 | if (!rgn23_data[offset + 2]) | |
19673 | phba->hba_flag |= LINK_DISABLED; | |
19674 | ||
19675 | goto out; | |
19676 | } | |
19677 | } | |
026abb87 | 19678 | |
a0c87cbd | 19679 | out: |
a0c87cbd JS |
19680 | kfree(rgn23_data); |
19681 | return; | |
19682 | } | |
695a814e | 19683 | |
52d52440 JS |
19684 | /** |
19685 | * lpfc_wr_object - write an object to the firmware | |
19686 | * @phba: HBA structure that indicates port to create a queue on. | |
19687 | * @dmabuf_list: list of dmabufs to write to the port. | |
19688 | * @size: the total byte value of the objects to write to the port. | |
19689 | * @offset: the current offset to be used to start the transfer. | |
19690 | * | |
19691 | * This routine will create a wr_object mailbox command to send to the port. | |
19692 | * the mailbox command will be constructed using the dma buffers described in | |
19693 | * @dmabuf_list to create a list of BDEs. This routine will fill in as many | |
19694 | * BDEs that the imbedded mailbox can support. The @offset variable will be | |
19695 | * used to indicate the starting offset of the transfer and will also return | |
19696 | * the offset after the write object mailbox has completed. @size is used to | |
19697 | * determine the end of the object and whether the eof bit should be set. | |
19698 | * | |
19699 | * Return 0 is successful and offset will contain the the new offset to use | |
19700 | * for the next write. | |
19701 | * Return negative value for error cases. | |
19702 | **/ | |
19703 | int | |
19704 | lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list, | |
19705 | uint32_t size, uint32_t *offset) | |
19706 | { | |
19707 | struct lpfc_mbx_wr_object *wr_object; | |
19708 | LPFC_MBOXQ_t *mbox; | |
19709 | int rc = 0, i = 0; | |
f3d0a8ac | 19710 | uint32_t shdr_status, shdr_add_status, shdr_change_status, shdr_csf; |
52d52440 | 19711 | uint32_t mbox_tmo; |
52d52440 JS |
19712 | struct lpfc_dmabuf *dmabuf; |
19713 | uint32_t written = 0; | |
5021267a | 19714 | bool check_change_status = false; |
52d52440 JS |
19715 | |
19716 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19717 | if (!mbox) | |
19718 | return -ENOMEM; | |
19719 | ||
19720 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
19721 | LPFC_MBOX_OPCODE_WRITE_OBJECT, | |
19722 | sizeof(struct lpfc_mbx_wr_object) - | |
19723 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); | |
19724 | ||
19725 | wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object; | |
19726 | wr_object->u.request.write_offset = *offset; | |
19727 | sprintf((uint8_t *)wr_object->u.request.object_name, "/"); | |
19728 | wr_object->u.request.object_name[0] = | |
19729 | cpu_to_le32(wr_object->u.request.object_name[0]); | |
19730 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0); | |
19731 | list_for_each_entry(dmabuf, dmabuf_list, list) { | |
19732 | if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size) | |
19733 | break; | |
19734 | wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys); | |
19735 | wr_object->u.request.bde[i].addrHigh = | |
19736 | putPaddrHigh(dmabuf->phys); | |
19737 | if (written + SLI4_PAGE_SIZE >= size) { | |
19738 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
19739 | (size - written); | |
19740 | written += (size - written); | |
19741 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1); | |
5021267a JS |
19742 | bf_set(lpfc_wr_object_eas, &wr_object->u.request, 1); |
19743 | check_change_status = true; | |
52d52440 JS |
19744 | } else { |
19745 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
19746 | SLI4_PAGE_SIZE; | |
19747 | written += SLI4_PAGE_SIZE; | |
19748 | } | |
19749 | i++; | |
19750 | } | |
19751 | wr_object->u.request.bde_count = i; | |
19752 | bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written); | |
19753 | if (!phba->sli4_hba.intr_enable) | |
19754 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
19755 | else { | |
a183a15f | 19756 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
52d52440 JS |
19757 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
19758 | } | |
19759 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
5021267a JS |
19760 | shdr_status = bf_get(lpfc_mbox_hdr_status, |
19761 | &wr_object->header.cfg_shdr.response); | |
19762 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
19763 | &wr_object->header.cfg_shdr.response); | |
19764 | if (check_change_status) { | |
19765 | shdr_change_status = bf_get(lpfc_wr_object_change_status, | |
19766 | &wr_object->u.response); | |
f3d0a8ac JS |
19767 | |
19768 | if (shdr_change_status == LPFC_CHANGE_STATUS_FW_RESET || | |
19769 | shdr_change_status == LPFC_CHANGE_STATUS_PORT_MIGRATION) { | |
19770 | shdr_csf = bf_get(lpfc_wr_object_csf, | |
19771 | &wr_object->u.response); | |
19772 | if (shdr_csf) | |
19773 | shdr_change_status = | |
19774 | LPFC_CHANGE_STATUS_PCI_RESET; | |
19775 | } | |
19776 | ||
5021267a JS |
19777 | switch (shdr_change_status) { |
19778 | case (LPFC_CHANGE_STATUS_PHYS_DEV_RESET): | |
19779 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19780 | "3198 Firmware write complete: System " | |
19781 | "reboot required to instantiate\n"); | |
19782 | break; | |
19783 | case (LPFC_CHANGE_STATUS_FW_RESET): | |
19784 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19785 | "3199 Firmware write complete: Firmware" | |
19786 | " reset required to instantiate\n"); | |
19787 | break; | |
19788 | case (LPFC_CHANGE_STATUS_PORT_MIGRATION): | |
19789 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19790 | "3200 Firmware write complete: Port " | |
19791 | "Migration or PCI Reset required to " | |
19792 | "instantiate\n"); | |
19793 | break; | |
19794 | case (LPFC_CHANGE_STATUS_PCI_RESET): | |
19795 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19796 | "3201 Firmware write complete: PCI " | |
19797 | "Reset required to instantiate\n"); | |
19798 | break; | |
19799 | default: | |
19800 | break; | |
19801 | } | |
19802 | } | |
52d52440 JS |
19803 | if (rc != MBX_TIMEOUT) |
19804 | mempool_free(mbox, phba->mbox_mem_pool); | |
19805 | if (shdr_status || shdr_add_status || rc) { | |
372c187b | 19806 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
52d52440 JS |
19807 | "3025 Write Object mailbox failed with " |
19808 | "status x%x add_status x%x, mbx status x%x\n", | |
19809 | shdr_status, shdr_add_status, rc); | |
19810 | rc = -ENXIO; | |
1feb8204 | 19811 | *offset = shdr_add_status; |
52d52440 JS |
19812 | } else |
19813 | *offset += wr_object->u.response.actual_write_length; | |
19814 | return rc; | |
19815 | } | |
19816 | ||
695a814e JS |
19817 | /** |
19818 | * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands. | |
19819 | * @vport: pointer to vport data structure. | |
19820 | * | |
19821 | * This function iterate through the mailboxq and clean up all REG_LOGIN | |
19822 | * and REG_VPI mailbox commands associated with the vport. This function | |
19823 | * is called when driver want to restart discovery of the vport due to | |
19824 | * a Clear Virtual Link event. | |
19825 | **/ | |
19826 | void | |
19827 | lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) | |
19828 | { | |
19829 | struct lpfc_hba *phba = vport->phba; | |
19830 | LPFC_MBOXQ_t *mb, *nextmb; | |
19831 | struct lpfc_dmabuf *mp; | |
78730cfe | 19832 | struct lpfc_nodelist *ndlp; |
d439d286 | 19833 | struct lpfc_nodelist *act_mbx_ndlp = NULL; |
589a52d6 | 19834 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
d439d286 | 19835 | LIST_HEAD(mbox_cmd_list); |
63e801ce | 19836 | uint8_t restart_loop; |
695a814e | 19837 | |
d439d286 | 19838 | /* Clean up internally queued mailbox commands with the vport */ |
695a814e JS |
19839 | spin_lock_irq(&phba->hbalock); |
19840 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { | |
19841 | if (mb->vport != vport) | |
19842 | continue; | |
19843 | ||
19844 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
19845 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
19846 | continue; | |
19847 | ||
d439d286 JS |
19848 | list_del(&mb->list); |
19849 | list_add_tail(&mb->list, &mbox_cmd_list); | |
19850 | } | |
19851 | /* Clean up active mailbox command with the vport */ | |
19852 | mb = phba->sli.mbox_active; | |
19853 | if (mb && (mb->vport == vport)) { | |
19854 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) || | |
19855 | (mb->u.mb.mbxCommand == MBX_REG_VPI)) | |
19856 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
19857 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
3e1f0718 | 19858 | act_mbx_ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; |
d439d286 JS |
19859 | /* Put reference count for delayed processing */ |
19860 | act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp); | |
19861 | /* Unregister the RPI when mailbox complete */ | |
19862 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
19863 | } | |
19864 | } | |
63e801ce JS |
19865 | /* Cleanup any mailbox completions which are not yet processed */ |
19866 | do { | |
19867 | restart_loop = 0; | |
19868 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
19869 | /* | |
19870 | * If this mailox is already processed or it is | |
19871 | * for another vport ignore it. | |
19872 | */ | |
19873 | if ((mb->vport != vport) || | |
19874 | (mb->mbox_flag & LPFC_MBX_IMED_UNREG)) | |
19875 | continue; | |
19876 | ||
19877 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
19878 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
19879 | continue; | |
19880 | ||
19881 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
19882 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
3e1f0718 | 19883 | ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; |
63e801ce JS |
19884 | /* Unregister the RPI when mailbox complete */ |
19885 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
19886 | restart_loop = 1; | |
19887 | spin_unlock_irq(&phba->hbalock); | |
19888 | spin_lock(shost->host_lock); | |
19889 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
19890 | spin_unlock(shost->host_lock); | |
19891 | spin_lock_irq(&phba->hbalock); | |
19892 | break; | |
19893 | } | |
19894 | } | |
19895 | } while (restart_loop); | |
19896 | ||
d439d286 JS |
19897 | spin_unlock_irq(&phba->hbalock); |
19898 | ||
19899 | /* Release the cleaned-up mailbox commands */ | |
19900 | while (!list_empty(&mbox_cmd_list)) { | |
19901 | list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list); | |
695a814e | 19902 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
3e1f0718 | 19903 | mp = (struct lpfc_dmabuf *)(mb->ctx_buf); |
695a814e JS |
19904 | if (mp) { |
19905 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
19906 | kfree(mp); | |
19907 | } | |
3e1f0718 JS |
19908 | mb->ctx_buf = NULL; |
19909 | ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; | |
19910 | mb->ctx_ndlp = NULL; | |
78730cfe | 19911 | if (ndlp) { |
ec21b3b0 | 19912 | spin_lock(shost->host_lock); |
589a52d6 | 19913 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; |
ec21b3b0 | 19914 | spin_unlock(shost->host_lock); |
78730cfe | 19915 | lpfc_nlp_put(ndlp); |
78730cfe | 19916 | } |
695a814e | 19917 | } |
695a814e JS |
19918 | mempool_free(mb, phba->mbox_mem_pool); |
19919 | } | |
d439d286 JS |
19920 | |
19921 | /* Release the ndlp with the cleaned-up active mailbox command */ | |
19922 | if (act_mbx_ndlp) { | |
19923 | spin_lock(shost->host_lock); | |
19924 | act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
19925 | spin_unlock(shost->host_lock); | |
19926 | lpfc_nlp_put(act_mbx_ndlp); | |
695a814e | 19927 | } |
695a814e JS |
19928 | } |
19929 | ||
2a9bf3d0 JS |
19930 | /** |
19931 | * lpfc_drain_txq - Drain the txq | |
19932 | * @phba: Pointer to HBA context object. | |
19933 | * | |
19934 | * This function attempt to submit IOCBs on the txq | |
19935 | * to the adapter. For SLI4 adapters, the txq contains | |
19936 | * ELS IOCBs that have been deferred because the there | |
19937 | * are no SGLs. This congestion can occur with large | |
19938 | * vport counts during node discovery. | |
19939 | **/ | |
19940 | ||
19941 | uint32_t | |
19942 | lpfc_drain_txq(struct lpfc_hba *phba) | |
19943 | { | |
19944 | LIST_HEAD(completions); | |
895427bd | 19945 | struct lpfc_sli_ring *pring; |
2e706377 | 19946 | struct lpfc_iocbq *piocbq = NULL; |
2a9bf3d0 JS |
19947 | unsigned long iflags = 0; |
19948 | char *fail_msg = NULL; | |
19949 | struct lpfc_sglq *sglq; | |
205e8240 | 19950 | union lpfc_wqe128 wqe; |
a2fc4aef | 19951 | uint32_t txq_cnt = 0; |
dc19e3b4 | 19952 | struct lpfc_queue *wq; |
2a9bf3d0 | 19953 | |
dc19e3b4 JS |
19954 | if (phba->link_flag & LS_MDS_LOOPBACK) { |
19955 | /* MDS WQE are posted only to first WQ*/ | |
c00f62e6 | 19956 | wq = phba->sli4_hba.hdwq[0].io_wq; |
dc19e3b4 JS |
19957 | if (unlikely(!wq)) |
19958 | return 0; | |
19959 | pring = wq->pring; | |
19960 | } else { | |
19961 | wq = phba->sli4_hba.els_wq; | |
19962 | if (unlikely(!wq)) | |
19963 | return 0; | |
19964 | pring = lpfc_phba_elsring(phba); | |
19965 | } | |
19966 | ||
19967 | if (unlikely(!pring) || list_empty(&pring->txq)) | |
1234a6d5 | 19968 | return 0; |
895427bd | 19969 | |
398d81c9 | 19970 | spin_lock_irqsave(&pring->ring_lock, iflags); |
0e9bb8d7 JS |
19971 | list_for_each_entry(piocbq, &pring->txq, list) { |
19972 | txq_cnt++; | |
19973 | } | |
19974 | ||
19975 | if (txq_cnt > pring->txq_max) | |
19976 | pring->txq_max = txq_cnt; | |
2a9bf3d0 | 19977 | |
398d81c9 | 19978 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 19979 | |
0e9bb8d7 | 19980 | while (!list_empty(&pring->txq)) { |
398d81c9 | 19981 | spin_lock_irqsave(&pring->ring_lock, iflags); |
2a9bf3d0 | 19982 | |
19ca7609 | 19983 | piocbq = lpfc_sli_ringtx_get(phba, pring); |
a629852a | 19984 | if (!piocbq) { |
398d81c9 | 19985 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
372c187b | 19986 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
a629852a | 19987 | "2823 txq empty and txq_cnt is %d\n ", |
0e9bb8d7 | 19988 | txq_cnt); |
a629852a JS |
19989 | break; |
19990 | } | |
895427bd | 19991 | sglq = __lpfc_sli_get_els_sglq(phba, piocbq); |
2a9bf3d0 | 19992 | if (!sglq) { |
19ca7609 | 19993 | __lpfc_sli_ringtx_put(phba, pring, piocbq); |
398d81c9 | 19994 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 19995 | break; |
2a9bf3d0 | 19996 | } |
0e9bb8d7 | 19997 | txq_cnt--; |
2a9bf3d0 JS |
19998 | |
19999 | /* The xri and iocb resources secured, | |
20000 | * attempt to issue request | |
20001 | */ | |
6d368e53 | 20002 | piocbq->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 JS |
20003 | piocbq->sli4_xritag = sglq->sli4_xritag; |
20004 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq)) | |
20005 | fail_msg = "to convert bpl to sgl"; | |
205e8240 | 20006 | else if (lpfc_sli4_iocb2wqe(phba, piocbq, &wqe)) |
2a9bf3d0 | 20007 | fail_msg = "to convert iocb to wqe"; |
dc19e3b4 | 20008 | else if (lpfc_sli4_wq_put(wq, &wqe)) |
2a9bf3d0 JS |
20009 | fail_msg = " - Wq is full"; |
20010 | else | |
20011 | lpfc_sli_ringtxcmpl_put(phba, pring, piocbq); | |
20012 | ||
20013 | if (fail_msg) { | |
20014 | /* Failed means we can't issue and need to cancel */ | |
372c187b | 20015 | lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, |
2a9bf3d0 JS |
20016 | "2822 IOCB failed %s iotag 0x%x " |
20017 | "xri 0x%x\n", | |
20018 | fail_msg, | |
20019 | piocbq->iotag, piocbq->sli4_xritag); | |
20020 | list_add_tail(&piocbq->list, &completions); | |
20021 | } | |
398d81c9 | 20022 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 JS |
20023 | } |
20024 | ||
2a9bf3d0 JS |
20025 | /* Cancel all the IOCBs that cannot be issued */ |
20026 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
20027 | IOERR_SLI_ABORTED); | |
20028 | ||
0e9bb8d7 | 20029 | return txq_cnt; |
2a9bf3d0 | 20030 | } |
895427bd JS |
20031 | |
20032 | /** | |
20033 | * lpfc_wqe_bpl2sgl - Convert the bpl/bde to a sgl. | |
20034 | * @phba: Pointer to HBA context object. | |
7af29d45 | 20035 | * @pwqeq: Pointer to command WQE. |
895427bd JS |
20036 | * @sglq: Pointer to the scatter gather queue object. |
20037 | * | |
20038 | * This routine converts the bpl or bde that is in the WQE | |
20039 | * to a sgl list for the sli4 hardware. The physical address | |
20040 | * of the bpl/bde is converted back to a virtual address. | |
20041 | * If the WQE contains a BPL then the list of BDE's is | |
20042 | * converted to sli4_sge's. If the WQE contains a single | |
20043 | * BDE then it is converted to a single sli_sge. | |
20044 | * The WQE is still in cpu endianness so the contents of | |
20045 | * the bpl can be used without byte swapping. | |
20046 | * | |
20047 | * Returns valid XRI = Success, NO_XRI = Failure. | |
20048 | */ | |
20049 | static uint16_t | |
20050 | lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeq, | |
20051 | struct lpfc_sglq *sglq) | |
20052 | { | |
20053 | uint16_t xritag = NO_XRI; | |
20054 | struct ulp_bde64 *bpl = NULL; | |
20055 | struct ulp_bde64 bde; | |
20056 | struct sli4_sge *sgl = NULL; | |
20057 | struct lpfc_dmabuf *dmabuf; | |
205e8240 | 20058 | union lpfc_wqe128 *wqe; |
895427bd JS |
20059 | int numBdes = 0; |
20060 | int i = 0; | |
20061 | uint32_t offset = 0; /* accumulated offset in the sg request list */ | |
20062 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
20063 | uint32_t cmd; | |
20064 | ||
20065 | if (!pwqeq || !sglq) | |
20066 | return xritag; | |
20067 | ||
20068 | sgl = (struct sli4_sge *)sglq->sgl; | |
20069 | wqe = &pwqeq->wqe; | |
20070 | pwqeq->iocb.ulpIoTag = pwqeq->iotag; | |
20071 | ||
20072 | cmd = bf_get(wqe_cmnd, &wqe->generic.wqe_com); | |
20073 | if (cmd == CMD_XMIT_BLS_RSP64_WQE) | |
20074 | return sglq->sli4_xritag; | |
20075 | numBdes = pwqeq->rsvd2; | |
20076 | if (numBdes) { | |
20077 | /* The addrHigh and addrLow fields within the WQE | |
20078 | * have not been byteswapped yet so there is no | |
20079 | * need to swap them back. | |
20080 | */ | |
20081 | if (pwqeq->context3) | |
20082 | dmabuf = (struct lpfc_dmabuf *)pwqeq->context3; | |
20083 | else | |
20084 | return xritag; | |
20085 | ||
20086 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
20087 | if (!bpl) | |
20088 | return xritag; | |
20089 | ||
20090 | for (i = 0; i < numBdes; i++) { | |
20091 | /* Should already be byte swapped. */ | |
20092 | sgl->addr_hi = bpl->addrHigh; | |
20093 | sgl->addr_lo = bpl->addrLow; | |
20094 | ||
20095 | sgl->word2 = le32_to_cpu(sgl->word2); | |
20096 | if ((i+1) == numBdes) | |
20097 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
20098 | else | |
20099 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
20100 | /* swap the size field back to the cpu so we | |
20101 | * can assign it to the sgl. | |
20102 | */ | |
20103 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
20104 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
20105 | /* The offsets in the sgl need to be accumulated | |
20106 | * separately for the request and reply lists. | |
20107 | * The request is always first, the reply follows. | |
20108 | */ | |
20109 | switch (cmd) { | |
20110 | case CMD_GEN_REQUEST64_WQE: | |
20111 | /* add up the reply sg entries */ | |
20112 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
20113 | inbound++; | |
20114 | /* first inbound? reset the offset */ | |
20115 | if (inbound == 1) | |
20116 | offset = 0; | |
20117 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
20118 | bf_set(lpfc_sli4_sge_type, sgl, | |
20119 | LPFC_SGE_TYPE_DATA); | |
20120 | offset += bde.tus.f.bdeSize; | |
20121 | break; | |
20122 | case CMD_FCP_TRSP64_WQE: | |
20123 | bf_set(lpfc_sli4_sge_offset, sgl, 0); | |
20124 | bf_set(lpfc_sli4_sge_type, sgl, | |
20125 | LPFC_SGE_TYPE_DATA); | |
20126 | break; | |
20127 | case CMD_FCP_TSEND64_WQE: | |
20128 | case CMD_FCP_TRECEIVE64_WQE: | |
20129 | bf_set(lpfc_sli4_sge_type, sgl, | |
20130 | bpl->tus.f.bdeFlags); | |
20131 | if (i < 3) | |
20132 | offset = 0; | |
20133 | else | |
20134 | offset += bde.tus.f.bdeSize; | |
20135 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
20136 | break; | |
20137 | } | |
20138 | sgl->word2 = cpu_to_le32(sgl->word2); | |
20139 | bpl++; | |
20140 | sgl++; | |
20141 | } | |
20142 | } else if (wqe->gen_req.bde.tus.f.bdeFlags == BUFF_TYPE_BDE_64) { | |
20143 | /* The addrHigh and addrLow fields of the BDE have not | |
20144 | * been byteswapped yet so they need to be swapped | |
20145 | * before putting them in the sgl. | |
20146 | */ | |
20147 | sgl->addr_hi = cpu_to_le32(wqe->gen_req.bde.addrHigh); | |
20148 | sgl->addr_lo = cpu_to_le32(wqe->gen_req.bde.addrLow); | |
20149 | sgl->word2 = le32_to_cpu(sgl->word2); | |
20150 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
20151 | sgl->word2 = cpu_to_le32(sgl->word2); | |
20152 | sgl->sge_len = cpu_to_le32(wqe->gen_req.bde.tus.f.bdeSize); | |
20153 | } | |
20154 | return sglq->sli4_xritag; | |
20155 | } | |
20156 | ||
20157 | /** | |
20158 | * lpfc_sli4_issue_wqe - Issue an SLI4 Work Queue Entry (WQE) | |
20159 | * @phba: Pointer to HBA context object. | |
7af29d45 | 20160 | * @qp: Pointer to HDW queue. |
895427bd JS |
20161 | * @pwqe: Pointer to command WQE. |
20162 | **/ | |
20163 | int | |
1fbf9742 | 20164 | lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, |
895427bd JS |
20165 | struct lpfc_iocbq *pwqe) |
20166 | { | |
205e8240 | 20167 | union lpfc_wqe128 *wqe = &pwqe->wqe; |
7cacae2a | 20168 | struct lpfc_async_xchg_ctx *ctxp; |
895427bd JS |
20169 | struct lpfc_queue *wq; |
20170 | struct lpfc_sglq *sglq; | |
20171 | struct lpfc_sli_ring *pring; | |
20172 | unsigned long iflags; | |
cd22d605 | 20173 | uint32_t ret = 0; |
895427bd JS |
20174 | |
20175 | /* NVME_LS and NVME_LS ABTS requests. */ | |
20176 | if (pwqe->iocb_flag & LPFC_IO_NVME_LS) { | |
20177 | pring = phba->sli4_hba.nvmels_wq->pring; | |
6a828b0f JS |
20178 | lpfc_qp_spin_lock_irqsave(&pring->ring_lock, iflags, |
20179 | qp, wq_access); | |
895427bd JS |
20180 | sglq = __lpfc_sli_get_els_sglq(phba, pwqe); |
20181 | if (!sglq) { | |
20182 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
20183 | return WQE_BUSY; | |
20184 | } | |
20185 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
20186 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
20187 | if (lpfc_wqe_bpl2sgl(phba, pwqe, sglq) == NO_XRI) { | |
20188 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
20189 | return WQE_ERROR; | |
20190 | } | |
20191 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
20192 | pwqe->sli4_xritag); | |
cd22d605 DK |
20193 | ret = lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe); |
20194 | if (ret) { | |
895427bd | 20195 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 20196 | return ret; |
895427bd | 20197 | } |
cd22d605 | 20198 | |
895427bd JS |
20199 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); |
20200 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
20201 | |
20202 | lpfc_sli4_poll_eq(qp->hba_eq, LPFC_POLL_FASTPATH); | |
895427bd JS |
20203 | return 0; |
20204 | } | |
20205 | ||
20206 | /* NVME_FCREQ and NVME_ABTS requests */ | |
20207 | if (pwqe->iocb_flag & LPFC_IO_NVME) { | |
20208 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
c00f62e6 | 20209 | wq = qp->io_wq; |
1fbf9742 | 20210 | pring = wq->pring; |
895427bd | 20211 | |
c00f62e6 | 20212 | bf_set(wqe_cqid, &wqe->generic.wqe_com, qp->io_cq_map); |
895427bd | 20213 | |
6a828b0f JS |
20214 | lpfc_qp_spin_lock_irqsave(&pring->ring_lock, iflags, |
20215 | qp, wq_access); | |
cd22d605 DK |
20216 | ret = lpfc_sli4_wq_put(wq, wqe); |
20217 | if (ret) { | |
895427bd | 20218 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 20219 | return ret; |
895427bd JS |
20220 | } |
20221 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
20222 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
20223 | |
20224 | lpfc_sli4_poll_eq(qp->hba_eq, LPFC_POLL_FASTPATH); | |
895427bd JS |
20225 | return 0; |
20226 | } | |
20227 | ||
f358dd0c JS |
20228 | /* NVMET requests */ |
20229 | if (pwqe->iocb_flag & LPFC_IO_NVMET) { | |
20230 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
c00f62e6 | 20231 | wq = qp->io_wq; |
1fbf9742 | 20232 | pring = wq->pring; |
f358dd0c | 20233 | |
f358dd0c | 20234 | ctxp = pwqe->context2; |
6c621a22 | 20235 | sglq = ctxp->ctxbuf->sglq; |
f358dd0c JS |
20236 | if (pwqe->sli4_xritag == NO_XRI) { |
20237 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
20238 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
20239 | } | |
20240 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
20241 | pwqe->sli4_xritag); | |
c00f62e6 | 20242 | bf_set(wqe_cqid, &wqe->generic.wqe_com, qp->io_cq_map); |
1fbf9742 | 20243 | |
6a828b0f JS |
20244 | lpfc_qp_spin_lock_irqsave(&pring->ring_lock, iflags, |
20245 | qp, wq_access); | |
cd22d605 DK |
20246 | ret = lpfc_sli4_wq_put(wq, wqe); |
20247 | if (ret) { | |
f358dd0c | 20248 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 20249 | return ret; |
f358dd0c JS |
20250 | } |
20251 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
20252 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
20253 | |
20254 | lpfc_sli4_poll_eq(qp->hba_eq, LPFC_POLL_FASTPATH); | |
f358dd0c JS |
20255 | return 0; |
20256 | } | |
895427bd JS |
20257 | return WQE_ERROR; |
20258 | } | |
c490850a JS |
20259 | |
20260 | #ifdef LPFC_MXP_STAT | |
20261 | /** | |
20262 | * lpfc_snapshot_mxp - Snapshot pbl, pvt and busy count | |
20263 | * @phba: pointer to lpfc hba data structure. | |
20264 | * @hwqid: belong to which HWQ. | |
20265 | * | |
20266 | * The purpose of this routine is to take a snapshot of pbl, pvt and busy count | |
20267 | * 15 seconds after a test case is running. | |
20268 | * | |
20269 | * The user should call lpfc_debugfs_multixripools_write before running a test | |
20270 | * case to clear stat_snapshot_taken. Then the user starts a test case. During | |
20271 | * test case is running, stat_snapshot_taken is incremented by 1 every time when | |
20272 | * this routine is called from heartbeat timer. When stat_snapshot_taken is | |
20273 | * equal to LPFC_MXP_SNAPSHOT_TAKEN, a snapshot is taken. | |
20274 | **/ | |
20275 | void lpfc_snapshot_mxp(struct lpfc_hba *phba, u32 hwqid) | |
20276 | { | |
20277 | struct lpfc_sli4_hdw_queue *qp; | |
20278 | struct lpfc_multixri_pool *multixri_pool; | |
20279 | struct lpfc_pvt_pool *pvt_pool; | |
20280 | struct lpfc_pbl_pool *pbl_pool; | |
20281 | u32 txcmplq_cnt; | |
20282 | ||
20283 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20284 | multixri_pool = qp->p_multixri_pool; | |
20285 | if (!multixri_pool) | |
20286 | return; | |
20287 | ||
20288 | if (multixri_pool->stat_snapshot_taken == LPFC_MXP_SNAPSHOT_TAKEN) { | |
20289 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
20290 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
c00f62e6 | 20291 | txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt; |
c490850a JS |
20292 | |
20293 | multixri_pool->stat_pbl_count = pbl_pool->count; | |
20294 | multixri_pool->stat_pvt_count = pvt_pool->count; | |
20295 | multixri_pool->stat_busy_count = txcmplq_cnt; | |
20296 | } | |
20297 | ||
20298 | multixri_pool->stat_snapshot_taken++; | |
20299 | } | |
20300 | #endif | |
20301 | ||
20302 | /** | |
20303 | * lpfc_adjust_pvt_pool_count - Adjust private pool count | |
20304 | * @phba: pointer to lpfc hba data structure. | |
20305 | * @hwqid: belong to which HWQ. | |
20306 | * | |
20307 | * This routine moves some XRIs from private to public pool when private pool | |
20308 | * is not busy. | |
20309 | **/ | |
20310 | void lpfc_adjust_pvt_pool_count(struct lpfc_hba *phba, u32 hwqid) | |
20311 | { | |
20312 | struct lpfc_multixri_pool *multixri_pool; | |
20313 | u32 io_req_count; | |
20314 | u32 prev_io_req_count; | |
20315 | ||
20316 | multixri_pool = phba->sli4_hba.hdwq[hwqid].p_multixri_pool; | |
20317 | if (!multixri_pool) | |
20318 | return; | |
20319 | io_req_count = multixri_pool->io_req_count; | |
20320 | prev_io_req_count = multixri_pool->prev_io_req_count; | |
20321 | ||
20322 | if (prev_io_req_count != io_req_count) { | |
20323 | /* Private pool is busy */ | |
20324 | multixri_pool->prev_io_req_count = io_req_count; | |
20325 | } else { | |
20326 | /* Private pool is not busy. | |
20327 | * Move XRIs from private to public pool. | |
20328 | */ | |
20329 | lpfc_move_xri_pvt_to_pbl(phba, hwqid); | |
20330 | } | |
20331 | } | |
20332 | ||
20333 | /** | |
20334 | * lpfc_adjust_high_watermark - Adjust high watermark | |
20335 | * @phba: pointer to lpfc hba data structure. | |
20336 | * @hwqid: belong to which HWQ. | |
20337 | * | |
20338 | * This routine sets high watermark as number of outstanding XRIs, | |
20339 | * but make sure the new value is between xri_limit/2 and xri_limit. | |
20340 | **/ | |
20341 | void lpfc_adjust_high_watermark(struct lpfc_hba *phba, u32 hwqid) | |
20342 | { | |
20343 | u32 new_watermark; | |
20344 | u32 watermark_max; | |
20345 | u32 watermark_min; | |
20346 | u32 xri_limit; | |
20347 | u32 txcmplq_cnt; | |
20348 | u32 abts_io_bufs; | |
20349 | struct lpfc_multixri_pool *multixri_pool; | |
20350 | struct lpfc_sli4_hdw_queue *qp; | |
20351 | ||
20352 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20353 | multixri_pool = qp->p_multixri_pool; | |
20354 | if (!multixri_pool) | |
20355 | return; | |
20356 | xri_limit = multixri_pool->xri_limit; | |
20357 | ||
20358 | watermark_max = xri_limit; | |
20359 | watermark_min = xri_limit / 2; | |
20360 | ||
c00f62e6 | 20361 | txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt; |
c490850a | 20362 | abts_io_bufs = qp->abts_scsi_io_bufs; |
c00f62e6 | 20363 | abts_io_bufs += qp->abts_nvme_io_bufs; |
c490850a JS |
20364 | |
20365 | new_watermark = txcmplq_cnt + abts_io_bufs; | |
20366 | new_watermark = min(watermark_max, new_watermark); | |
20367 | new_watermark = max(watermark_min, new_watermark); | |
20368 | multixri_pool->pvt_pool.high_watermark = new_watermark; | |
20369 | ||
20370 | #ifdef LPFC_MXP_STAT | |
20371 | multixri_pool->stat_max_hwm = max(multixri_pool->stat_max_hwm, | |
20372 | new_watermark); | |
20373 | #endif | |
20374 | } | |
20375 | ||
20376 | /** | |
20377 | * lpfc_move_xri_pvt_to_pbl - Move some XRIs from private to public pool | |
20378 | * @phba: pointer to lpfc hba data structure. | |
20379 | * @hwqid: belong to which HWQ. | |
20380 | * | |
20381 | * This routine is called from hearbeat timer when pvt_pool is idle. | |
20382 | * All free XRIs are moved from private to public pool on hwqid with 2 steps. | |
20383 | * The first step moves (all - low_watermark) amount of XRIs. | |
20384 | * The second step moves the rest of XRIs. | |
20385 | **/ | |
20386 | void lpfc_move_xri_pvt_to_pbl(struct lpfc_hba *phba, u32 hwqid) | |
20387 | { | |
20388 | struct lpfc_pbl_pool *pbl_pool; | |
20389 | struct lpfc_pvt_pool *pvt_pool; | |
6a828b0f | 20390 | struct lpfc_sli4_hdw_queue *qp; |
c490850a JS |
20391 | struct lpfc_io_buf *lpfc_ncmd; |
20392 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20393 | unsigned long iflag; | |
20394 | struct list_head tmp_list; | |
20395 | u32 tmp_count; | |
20396 | ||
6a828b0f JS |
20397 | qp = &phba->sli4_hba.hdwq[hwqid]; |
20398 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
20399 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
c490850a JS |
20400 | tmp_count = 0; |
20401 | ||
6a828b0f JS |
20402 | lpfc_qp_spin_lock_irqsave(&pbl_pool->lock, iflag, qp, mv_to_pub_pool); |
20403 | lpfc_qp_spin_lock(&pvt_pool->lock, qp, mv_from_pvt_pool); | |
c490850a JS |
20404 | |
20405 | if (pvt_pool->count > pvt_pool->low_watermark) { | |
20406 | /* Step 1: move (all - low_watermark) from pvt_pool | |
20407 | * to pbl_pool | |
20408 | */ | |
20409 | ||
20410 | /* Move low watermark of bufs from pvt_pool to tmp_list */ | |
20411 | INIT_LIST_HEAD(&tmp_list); | |
20412 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
20413 | &pvt_pool->list, list) { | |
20414 | list_move_tail(&lpfc_ncmd->list, &tmp_list); | |
20415 | tmp_count++; | |
20416 | if (tmp_count >= pvt_pool->low_watermark) | |
20417 | break; | |
20418 | } | |
20419 | ||
20420 | /* Move all bufs from pvt_pool to pbl_pool */ | |
20421 | list_splice_init(&pvt_pool->list, &pbl_pool->list); | |
20422 | ||
20423 | /* Move all bufs from tmp_list to pvt_pool */ | |
20424 | list_splice(&tmp_list, &pvt_pool->list); | |
20425 | ||
20426 | pbl_pool->count += (pvt_pool->count - tmp_count); | |
20427 | pvt_pool->count = tmp_count; | |
20428 | } else { | |
20429 | /* Step 2: move the rest from pvt_pool to pbl_pool */ | |
20430 | list_splice_init(&pvt_pool->list, &pbl_pool->list); | |
20431 | pbl_pool->count += pvt_pool->count; | |
20432 | pvt_pool->count = 0; | |
20433 | } | |
20434 | ||
20435 | spin_unlock(&pvt_pool->lock); | |
20436 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20437 | } | |
20438 | ||
20439 | /** | |
20440 | * _lpfc_move_xri_pbl_to_pvt - Move some XRIs from public to private pool | |
20441 | * @phba: pointer to lpfc hba data structure | |
7af29d45 | 20442 | * @qp: pointer to HDW queue |
c490850a JS |
20443 | * @pbl_pool: specified public free XRI pool |
20444 | * @pvt_pool: specified private free XRI pool | |
20445 | * @count: number of XRIs to move | |
20446 | * | |
20447 | * This routine tries to move some free common bufs from the specified pbl_pool | |
20448 | * to the specified pvt_pool. It might move less than count XRIs if there's not | |
20449 | * enough in public pool. | |
20450 | * | |
20451 | * Return: | |
20452 | * true - if XRIs are successfully moved from the specified pbl_pool to the | |
20453 | * specified pvt_pool | |
20454 | * false - if the specified pbl_pool is empty or locked by someone else | |
20455 | **/ | |
20456 | static bool | |
6a828b0f JS |
20457 | _lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, |
20458 | struct lpfc_pbl_pool *pbl_pool, | |
c490850a JS |
20459 | struct lpfc_pvt_pool *pvt_pool, u32 count) |
20460 | { | |
20461 | struct lpfc_io_buf *lpfc_ncmd; | |
20462 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20463 | unsigned long iflag; | |
20464 | int ret; | |
20465 | ||
20466 | ret = spin_trylock_irqsave(&pbl_pool->lock, iflag); | |
20467 | if (ret) { | |
20468 | if (pbl_pool->count) { | |
20469 | /* Move a batch of XRIs from public to private pool */ | |
6a828b0f | 20470 | lpfc_qp_spin_lock(&pvt_pool->lock, qp, mv_to_pvt_pool); |
c490850a JS |
20471 | list_for_each_entry_safe(lpfc_ncmd, |
20472 | lpfc_ncmd_next, | |
20473 | &pbl_pool->list, | |
20474 | list) { | |
20475 | list_move_tail(&lpfc_ncmd->list, | |
20476 | &pvt_pool->list); | |
20477 | pvt_pool->count++; | |
20478 | pbl_pool->count--; | |
20479 | count--; | |
20480 | if (count == 0) | |
20481 | break; | |
20482 | } | |
20483 | ||
20484 | spin_unlock(&pvt_pool->lock); | |
20485 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20486 | return true; | |
20487 | } | |
20488 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20489 | } | |
20490 | ||
20491 | return false; | |
20492 | } | |
20493 | ||
20494 | /** | |
20495 | * lpfc_move_xri_pbl_to_pvt - Move some XRIs from public to private pool | |
20496 | * @phba: pointer to lpfc hba data structure. | |
20497 | * @hwqid: belong to which HWQ. | |
20498 | * @count: number of XRIs to move | |
20499 | * | |
20500 | * This routine tries to find some free common bufs in one of public pools with | |
20501 | * Round Robin method. The search always starts from local hwqid, then the next | |
20502 | * HWQ which was found last time (rrb_next_hwqid). Once a public pool is found, | |
20503 | * a batch of free common bufs are moved to private pool on hwqid. | |
20504 | * It might move less than count XRIs if there's not enough in public pool. | |
20505 | **/ | |
20506 | void lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, u32 hwqid, u32 count) | |
20507 | { | |
20508 | struct lpfc_multixri_pool *multixri_pool; | |
20509 | struct lpfc_multixri_pool *next_multixri_pool; | |
20510 | struct lpfc_pvt_pool *pvt_pool; | |
20511 | struct lpfc_pbl_pool *pbl_pool; | |
6a828b0f | 20512 | struct lpfc_sli4_hdw_queue *qp; |
c490850a JS |
20513 | u32 next_hwqid; |
20514 | u32 hwq_count; | |
20515 | int ret; | |
20516 | ||
6a828b0f JS |
20517 | qp = &phba->sli4_hba.hdwq[hwqid]; |
20518 | multixri_pool = qp->p_multixri_pool; | |
c490850a JS |
20519 | pvt_pool = &multixri_pool->pvt_pool; |
20520 | pbl_pool = &multixri_pool->pbl_pool; | |
20521 | ||
20522 | /* Check if local pbl_pool is available */ | |
6a828b0f | 20523 | ret = _lpfc_move_xri_pbl_to_pvt(phba, qp, pbl_pool, pvt_pool, count); |
c490850a JS |
20524 | if (ret) { |
20525 | #ifdef LPFC_MXP_STAT | |
20526 | multixri_pool->local_pbl_hit_count++; | |
20527 | #endif | |
20528 | return; | |
20529 | } | |
20530 | ||
20531 | hwq_count = phba->cfg_hdw_queue; | |
20532 | ||
20533 | /* Get the next hwqid which was found last time */ | |
20534 | next_hwqid = multixri_pool->rrb_next_hwqid; | |
20535 | ||
20536 | do { | |
20537 | /* Go to next hwq */ | |
20538 | next_hwqid = (next_hwqid + 1) % hwq_count; | |
20539 | ||
20540 | next_multixri_pool = | |
20541 | phba->sli4_hba.hdwq[next_hwqid].p_multixri_pool; | |
20542 | pbl_pool = &next_multixri_pool->pbl_pool; | |
20543 | ||
20544 | /* Check if the public free xri pool is available */ | |
20545 | ret = _lpfc_move_xri_pbl_to_pvt( | |
6a828b0f | 20546 | phba, qp, pbl_pool, pvt_pool, count); |
c490850a JS |
20547 | |
20548 | /* Exit while-loop if success or all hwqid are checked */ | |
20549 | } while (!ret && next_hwqid != multixri_pool->rrb_next_hwqid); | |
20550 | ||
20551 | /* Starting point for the next time */ | |
20552 | multixri_pool->rrb_next_hwqid = next_hwqid; | |
20553 | ||
20554 | if (!ret) { | |
20555 | /* stats: all public pools are empty*/ | |
20556 | multixri_pool->pbl_empty_count++; | |
20557 | } | |
20558 | ||
20559 | #ifdef LPFC_MXP_STAT | |
20560 | if (ret) { | |
20561 | if (next_hwqid == hwqid) | |
20562 | multixri_pool->local_pbl_hit_count++; | |
20563 | else | |
20564 | multixri_pool->other_pbl_hit_count++; | |
20565 | } | |
20566 | #endif | |
20567 | } | |
20568 | ||
20569 | /** | |
20570 | * lpfc_keep_pvt_pool_above_lowwm - Keep pvt_pool above low watermark | |
20571 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 20572 | * @hwqid: belong to which HWQ. |
c490850a JS |
20573 | * |
20574 | * This routine get a batch of XRIs from pbl_pool if pvt_pool is less than | |
20575 | * low watermark. | |
20576 | **/ | |
20577 | void lpfc_keep_pvt_pool_above_lowwm(struct lpfc_hba *phba, u32 hwqid) | |
20578 | { | |
20579 | struct lpfc_multixri_pool *multixri_pool; | |
20580 | struct lpfc_pvt_pool *pvt_pool; | |
20581 | ||
20582 | multixri_pool = phba->sli4_hba.hdwq[hwqid].p_multixri_pool; | |
20583 | pvt_pool = &multixri_pool->pvt_pool; | |
20584 | ||
20585 | if (pvt_pool->count < pvt_pool->low_watermark) | |
20586 | lpfc_move_xri_pbl_to_pvt(phba, hwqid, XRI_BATCH); | |
20587 | } | |
20588 | ||
20589 | /** | |
20590 | * lpfc_release_io_buf - Return one IO buf back to free pool | |
20591 | * @phba: pointer to lpfc hba data structure. | |
20592 | * @lpfc_ncmd: IO buf to be returned. | |
20593 | * @qp: belong to which HWQ. | |
20594 | * | |
20595 | * This routine returns one IO buf back to free pool. If this is an urgent IO, | |
20596 | * the IO buf is returned to expedite pool. If cfg_xri_rebalancing==1, | |
20597 | * the IO buf is returned to pbl_pool or pvt_pool based on watermark and | |
20598 | * xri_limit. If cfg_xri_rebalancing==0, the IO buf is returned to | |
20599 | * lpfc_io_buf_list_put. | |
20600 | **/ | |
20601 | void lpfc_release_io_buf(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_ncmd, | |
20602 | struct lpfc_sli4_hdw_queue *qp) | |
20603 | { | |
20604 | unsigned long iflag; | |
20605 | struct lpfc_pbl_pool *pbl_pool; | |
20606 | struct lpfc_pvt_pool *pvt_pool; | |
20607 | struct lpfc_epd_pool *epd_pool; | |
20608 | u32 txcmplq_cnt; | |
20609 | u32 xri_owned; | |
20610 | u32 xri_limit; | |
20611 | u32 abts_io_bufs; | |
20612 | ||
20613 | /* MUST zero fields if buffer is reused by another protocol */ | |
20614 | lpfc_ncmd->nvmeCmd = NULL; | |
20615 | lpfc_ncmd->cur_iocbq.wqe_cmpl = NULL; | |
20616 | lpfc_ncmd->cur_iocbq.iocb_cmpl = NULL; | |
20617 | ||
35a635af JS |
20618 | if (phba->cfg_xpsgl && !phba->nvmet_support && |
20619 | !list_empty(&lpfc_ncmd->dma_sgl_xtra_list)) | |
20620 | lpfc_put_sgl_per_hdwq(phba, lpfc_ncmd); | |
20621 | ||
20622 | if (!list_empty(&lpfc_ncmd->dma_cmd_rsp_list)) | |
20623 | lpfc_put_cmd_rsp_buf_per_hdwq(phba, lpfc_ncmd); | |
20624 | ||
c490850a JS |
20625 | if (phba->cfg_xri_rebalancing) { |
20626 | if (lpfc_ncmd->expedite) { | |
20627 | /* Return to expedite pool */ | |
20628 | epd_pool = &phba->epd_pool; | |
20629 | spin_lock_irqsave(&epd_pool->lock, iflag); | |
20630 | list_add_tail(&lpfc_ncmd->list, &epd_pool->list); | |
20631 | epd_pool->count++; | |
20632 | spin_unlock_irqrestore(&epd_pool->lock, iflag); | |
20633 | return; | |
20634 | } | |
20635 | ||
20636 | /* Avoid invalid access if an IO sneaks in and is being rejected | |
20637 | * just _after_ xri pools are destroyed in lpfc_offline. | |
20638 | * Nothing much can be done at this point. | |
20639 | */ | |
20640 | if (!qp->p_multixri_pool) | |
20641 | return; | |
20642 | ||
20643 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
20644 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
20645 | ||
c00f62e6 | 20646 | txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt; |
c490850a | 20647 | abts_io_bufs = qp->abts_scsi_io_bufs; |
c00f62e6 | 20648 | abts_io_bufs += qp->abts_nvme_io_bufs; |
c490850a JS |
20649 | |
20650 | xri_owned = pvt_pool->count + txcmplq_cnt + abts_io_bufs; | |
20651 | xri_limit = qp->p_multixri_pool->xri_limit; | |
20652 | ||
20653 | #ifdef LPFC_MXP_STAT | |
20654 | if (xri_owned <= xri_limit) | |
20655 | qp->p_multixri_pool->below_limit_count++; | |
20656 | else | |
20657 | qp->p_multixri_pool->above_limit_count++; | |
20658 | #endif | |
20659 | ||
20660 | /* XRI goes to either public or private free xri pool | |
20661 | * based on watermark and xri_limit | |
20662 | */ | |
20663 | if ((pvt_pool->count < pvt_pool->low_watermark) || | |
20664 | (xri_owned < xri_limit && | |
20665 | pvt_pool->count < pvt_pool->high_watermark)) { | |
6a828b0f JS |
20666 | lpfc_qp_spin_lock_irqsave(&pvt_pool->lock, iflag, |
20667 | qp, free_pvt_pool); | |
c490850a JS |
20668 | list_add_tail(&lpfc_ncmd->list, |
20669 | &pvt_pool->list); | |
20670 | pvt_pool->count++; | |
20671 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20672 | } else { | |
6a828b0f JS |
20673 | lpfc_qp_spin_lock_irqsave(&pbl_pool->lock, iflag, |
20674 | qp, free_pub_pool); | |
c490850a JS |
20675 | list_add_tail(&lpfc_ncmd->list, |
20676 | &pbl_pool->list); | |
20677 | pbl_pool->count++; | |
20678 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20679 | } | |
20680 | } else { | |
6a828b0f JS |
20681 | lpfc_qp_spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag, |
20682 | qp, free_xri); | |
c490850a JS |
20683 | list_add_tail(&lpfc_ncmd->list, |
20684 | &qp->lpfc_io_buf_list_put); | |
20685 | qp->put_io_bufs++; | |
20686 | spin_unlock_irqrestore(&qp->io_buf_list_put_lock, | |
20687 | iflag); | |
20688 | } | |
20689 | } | |
20690 | ||
20691 | /** | |
20692 | * lpfc_get_io_buf_from_private_pool - Get one free IO buf from private pool | |
20693 | * @phba: pointer to lpfc hba data structure. | |
7af29d45 | 20694 | * @qp: pointer to HDW queue |
c490850a JS |
20695 | * @pvt_pool: pointer to private pool data structure. |
20696 | * @ndlp: pointer to lpfc nodelist data structure. | |
20697 | * | |
20698 | * This routine tries to get one free IO buf from private pool. | |
20699 | * | |
20700 | * Return: | |
20701 | * pointer to one free IO buf - if private pool is not empty | |
20702 | * NULL - if private pool is empty | |
20703 | **/ | |
20704 | static struct lpfc_io_buf * | |
20705 | lpfc_get_io_buf_from_private_pool(struct lpfc_hba *phba, | |
6a828b0f | 20706 | struct lpfc_sli4_hdw_queue *qp, |
c490850a JS |
20707 | struct lpfc_pvt_pool *pvt_pool, |
20708 | struct lpfc_nodelist *ndlp) | |
20709 | { | |
20710 | struct lpfc_io_buf *lpfc_ncmd; | |
20711 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20712 | unsigned long iflag; | |
20713 | ||
6a828b0f | 20714 | lpfc_qp_spin_lock_irqsave(&pvt_pool->lock, iflag, qp, alloc_pvt_pool); |
c490850a JS |
20715 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, |
20716 | &pvt_pool->list, list) { | |
20717 | if (lpfc_test_rrq_active( | |
20718 | phba, ndlp, lpfc_ncmd->cur_iocbq.sli4_lxritag)) | |
20719 | continue; | |
20720 | list_del(&lpfc_ncmd->list); | |
20721 | pvt_pool->count--; | |
20722 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20723 | return lpfc_ncmd; | |
20724 | } | |
20725 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20726 | ||
20727 | return NULL; | |
20728 | } | |
20729 | ||
20730 | /** | |
20731 | * lpfc_get_io_buf_from_expedite_pool - Get one free IO buf from expedite pool | |
20732 | * @phba: pointer to lpfc hba data structure. | |
20733 | * | |
20734 | * This routine tries to get one free IO buf from expedite pool. | |
20735 | * | |
20736 | * Return: | |
20737 | * pointer to one free IO buf - if expedite pool is not empty | |
20738 | * NULL - if expedite pool is empty | |
20739 | **/ | |
20740 | static struct lpfc_io_buf * | |
20741 | lpfc_get_io_buf_from_expedite_pool(struct lpfc_hba *phba) | |
20742 | { | |
20743 | struct lpfc_io_buf *lpfc_ncmd; | |
20744 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20745 | unsigned long iflag; | |
20746 | struct lpfc_epd_pool *epd_pool; | |
20747 | ||
20748 | epd_pool = &phba->epd_pool; | |
20749 | lpfc_ncmd = NULL; | |
20750 | ||
20751 | spin_lock_irqsave(&epd_pool->lock, iflag); | |
20752 | if (epd_pool->count > 0) { | |
20753 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
20754 | &epd_pool->list, list) { | |
20755 | list_del(&lpfc_ncmd->list); | |
20756 | epd_pool->count--; | |
20757 | break; | |
20758 | } | |
20759 | } | |
20760 | spin_unlock_irqrestore(&epd_pool->lock, iflag); | |
20761 | ||
20762 | return lpfc_ncmd; | |
20763 | } | |
20764 | ||
20765 | /** | |
20766 | * lpfc_get_io_buf_from_multixri_pools - Get one free IO bufs | |
20767 | * @phba: pointer to lpfc hba data structure. | |
20768 | * @ndlp: pointer to lpfc nodelist data structure. | |
20769 | * @hwqid: belong to which HWQ | |
20770 | * @expedite: 1 means this request is urgent. | |
20771 | * | |
20772 | * This routine will do the following actions and then return a pointer to | |
20773 | * one free IO buf. | |
20774 | * | |
20775 | * 1. If private free xri count is empty, move some XRIs from public to | |
20776 | * private pool. | |
20777 | * 2. Get one XRI from private free xri pool. | |
20778 | * 3. If we fail to get one from pvt_pool and this is an expedite request, | |
20779 | * get one free xri from expedite pool. | |
20780 | * | |
20781 | * Note: ndlp is only used on SCSI side for RRQ testing. | |
20782 | * The caller should pass NULL for ndlp on NVME side. | |
20783 | * | |
20784 | * Return: | |
20785 | * pointer to one free IO buf - if private pool is not empty | |
20786 | * NULL - if private pool is empty | |
20787 | **/ | |
20788 | static struct lpfc_io_buf * | |
20789 | lpfc_get_io_buf_from_multixri_pools(struct lpfc_hba *phba, | |
20790 | struct lpfc_nodelist *ndlp, | |
20791 | int hwqid, int expedite) | |
20792 | { | |
20793 | struct lpfc_sli4_hdw_queue *qp; | |
20794 | struct lpfc_multixri_pool *multixri_pool; | |
20795 | struct lpfc_pvt_pool *pvt_pool; | |
20796 | struct lpfc_io_buf *lpfc_ncmd; | |
20797 | ||
20798 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20799 | lpfc_ncmd = NULL; | |
20800 | multixri_pool = qp->p_multixri_pool; | |
20801 | pvt_pool = &multixri_pool->pvt_pool; | |
20802 | multixri_pool->io_req_count++; | |
20803 | ||
20804 | /* If pvt_pool is empty, move some XRIs from public to private pool */ | |
20805 | if (pvt_pool->count == 0) | |
20806 | lpfc_move_xri_pbl_to_pvt(phba, hwqid, XRI_BATCH); | |
20807 | ||
20808 | /* Get one XRI from private free xri pool */ | |
6a828b0f | 20809 | lpfc_ncmd = lpfc_get_io_buf_from_private_pool(phba, qp, pvt_pool, ndlp); |
c490850a JS |
20810 | |
20811 | if (lpfc_ncmd) { | |
20812 | lpfc_ncmd->hdwq = qp; | |
20813 | lpfc_ncmd->hdwq_no = hwqid; | |
20814 | } else if (expedite) { | |
20815 | /* If we fail to get one from pvt_pool and this is an expedite | |
20816 | * request, get one free xri from expedite pool. | |
20817 | */ | |
20818 | lpfc_ncmd = lpfc_get_io_buf_from_expedite_pool(phba); | |
20819 | } | |
20820 | ||
20821 | return lpfc_ncmd; | |
20822 | } | |
20823 | ||
20824 | static inline struct lpfc_io_buf * | |
20825 | lpfc_io_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int idx) | |
20826 | { | |
20827 | struct lpfc_sli4_hdw_queue *qp; | |
20828 | struct lpfc_io_buf *lpfc_cmd, *lpfc_cmd_next; | |
20829 | ||
20830 | qp = &phba->sli4_hba.hdwq[idx]; | |
20831 | list_for_each_entry_safe(lpfc_cmd, lpfc_cmd_next, | |
20832 | &qp->lpfc_io_buf_list_get, list) { | |
20833 | if (lpfc_test_rrq_active(phba, ndlp, | |
20834 | lpfc_cmd->cur_iocbq.sli4_lxritag)) | |
20835 | continue; | |
20836 | ||
20837 | if (lpfc_cmd->flags & LPFC_SBUF_NOT_POSTED) | |
20838 | continue; | |
20839 | ||
20840 | list_del_init(&lpfc_cmd->list); | |
20841 | qp->get_io_bufs--; | |
20842 | lpfc_cmd->hdwq = qp; | |
20843 | lpfc_cmd->hdwq_no = idx; | |
20844 | return lpfc_cmd; | |
20845 | } | |
20846 | return NULL; | |
20847 | } | |
20848 | ||
20849 | /** | |
20850 | * lpfc_get_io_buf - Get one IO buffer from free pool | |
20851 | * @phba: The HBA for which this call is being executed. | |
20852 | * @ndlp: pointer to lpfc nodelist data structure. | |
20853 | * @hwqid: belong to which HWQ | |
20854 | * @expedite: 1 means this request is urgent. | |
20855 | * | |
20856 | * This routine gets one IO buffer from free pool. If cfg_xri_rebalancing==1, | |
20857 | * removes a IO buffer from multiXRI pools. If cfg_xri_rebalancing==0, removes | |
20858 | * a IO buffer from head of @hdwq io_buf_list and returns to caller. | |
20859 | * | |
20860 | * Note: ndlp is only used on SCSI side for RRQ testing. | |
20861 | * The caller should pass NULL for ndlp on NVME side. | |
20862 | * | |
20863 | * Return codes: | |
20864 | * NULL - Error | |
20865 | * Pointer to lpfc_io_buf - Success | |
20866 | **/ | |
20867 | struct lpfc_io_buf *lpfc_get_io_buf(struct lpfc_hba *phba, | |
20868 | struct lpfc_nodelist *ndlp, | |
20869 | u32 hwqid, int expedite) | |
20870 | { | |
20871 | struct lpfc_sli4_hdw_queue *qp; | |
20872 | unsigned long iflag; | |
20873 | struct lpfc_io_buf *lpfc_cmd; | |
20874 | ||
20875 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20876 | lpfc_cmd = NULL; | |
20877 | ||
20878 | if (phba->cfg_xri_rebalancing) | |
20879 | lpfc_cmd = lpfc_get_io_buf_from_multixri_pools( | |
20880 | phba, ndlp, hwqid, expedite); | |
20881 | else { | |
6a828b0f JS |
20882 | lpfc_qp_spin_lock_irqsave(&qp->io_buf_list_get_lock, iflag, |
20883 | qp, alloc_xri_get); | |
c490850a JS |
20884 | if (qp->get_io_bufs > LPFC_NVME_EXPEDITE_XRICNT || expedite) |
20885 | lpfc_cmd = lpfc_io_buf(phba, ndlp, hwqid); | |
20886 | if (!lpfc_cmd) { | |
6a828b0f JS |
20887 | lpfc_qp_spin_lock(&qp->io_buf_list_put_lock, |
20888 | qp, alloc_xri_put); | |
c490850a JS |
20889 | list_splice(&qp->lpfc_io_buf_list_put, |
20890 | &qp->lpfc_io_buf_list_get); | |
20891 | qp->get_io_bufs += qp->put_io_bufs; | |
20892 | INIT_LIST_HEAD(&qp->lpfc_io_buf_list_put); | |
20893 | qp->put_io_bufs = 0; | |
20894 | spin_unlock(&qp->io_buf_list_put_lock); | |
20895 | if (qp->get_io_bufs > LPFC_NVME_EXPEDITE_XRICNT || | |
20896 | expedite) | |
20897 | lpfc_cmd = lpfc_io_buf(phba, ndlp, hwqid); | |
20898 | } | |
20899 | spin_unlock_irqrestore(&qp->io_buf_list_get_lock, iflag); | |
20900 | } | |
20901 | ||
20902 | return lpfc_cmd; | |
20903 | } | |
d79c9e9d JS |
20904 | |
20905 | /** | |
20906 | * lpfc_get_sgl_per_hdwq - Get one SGL chunk from hdwq's pool | |
20907 | * @phba: The HBA for which this call is being executed. | |
20908 | * @lpfc_buf: IO buf structure to append the SGL chunk | |
20909 | * | |
20910 | * This routine gets one SGL chunk buffer from hdwq's SGL chunk pool, | |
20911 | * and will allocate an SGL chunk if the pool is empty. | |
20912 | * | |
20913 | * Return codes: | |
20914 | * NULL - Error | |
20915 | * Pointer to sli4_hybrid_sgl - Success | |
20916 | **/ | |
20917 | struct sli4_hybrid_sgl * | |
20918 | lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_buf) | |
20919 | { | |
20920 | struct sli4_hybrid_sgl *list_entry = NULL; | |
20921 | struct sli4_hybrid_sgl *tmp = NULL; | |
20922 | struct sli4_hybrid_sgl *allocated_sgl = NULL; | |
20923 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
20924 | struct list_head *buf_list = &hdwq->sgl_list; | |
a4c21acc | 20925 | unsigned long iflags; |
d79c9e9d | 20926 | |
a4c21acc | 20927 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20928 | |
20929 | if (likely(!list_empty(buf_list))) { | |
20930 | /* break off 1 chunk from the sgl_list */ | |
20931 | list_for_each_entry_safe(list_entry, tmp, | |
20932 | buf_list, list_node) { | |
20933 | list_move_tail(&list_entry->list_node, | |
20934 | &lpfc_buf->dma_sgl_xtra_list); | |
20935 | break; | |
20936 | } | |
20937 | } else { | |
20938 | /* allocate more */ | |
a4c21acc | 20939 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d | 20940 | tmp = kmalloc_node(sizeof(*tmp), GFP_ATOMIC, |
4583a4f6 | 20941 | cpu_to_node(hdwq->io_wq->chann)); |
d79c9e9d JS |
20942 | if (!tmp) { |
20943 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
20944 | "8353 error kmalloc memory for HDWQ " | |
20945 | "%d %s\n", | |
20946 | lpfc_buf->hdwq_no, __func__); | |
20947 | return NULL; | |
20948 | } | |
20949 | ||
20950 | tmp->dma_sgl = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, | |
20951 | GFP_ATOMIC, &tmp->dma_phys_sgl); | |
20952 | if (!tmp->dma_sgl) { | |
20953 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
20954 | "8354 error pool_alloc memory for HDWQ " | |
20955 | "%d %s\n", | |
20956 | lpfc_buf->hdwq_no, __func__); | |
20957 | kfree(tmp); | |
20958 | return NULL; | |
20959 | } | |
20960 | ||
a4c21acc | 20961 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20962 | list_add_tail(&tmp->list_node, &lpfc_buf->dma_sgl_xtra_list); |
20963 | } | |
20964 | ||
20965 | allocated_sgl = list_last_entry(&lpfc_buf->dma_sgl_xtra_list, | |
20966 | struct sli4_hybrid_sgl, | |
20967 | list_node); | |
20968 | ||
a4c21acc | 20969 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20970 | |
20971 | return allocated_sgl; | |
20972 | } | |
20973 | ||
20974 | /** | |
20975 | * lpfc_put_sgl_per_hdwq - Put one SGL chunk into hdwq pool | |
20976 | * @phba: The HBA for which this call is being executed. | |
20977 | * @lpfc_buf: IO buf structure with the SGL chunk | |
20978 | * | |
20979 | * This routine puts one SGL chunk buffer into hdwq's SGL chunk pool. | |
20980 | * | |
20981 | * Return codes: | |
20982 | * 0 - Success | |
20983 | * -EINVAL - Error | |
20984 | **/ | |
20985 | int | |
20986 | lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_buf) | |
20987 | { | |
20988 | int rc = 0; | |
20989 | struct sli4_hybrid_sgl *list_entry = NULL; | |
20990 | struct sli4_hybrid_sgl *tmp = NULL; | |
20991 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
20992 | struct list_head *buf_list = &hdwq->sgl_list; | |
a4c21acc | 20993 | unsigned long iflags; |
d79c9e9d | 20994 | |
a4c21acc | 20995 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20996 | |
20997 | if (likely(!list_empty(&lpfc_buf->dma_sgl_xtra_list))) { | |
20998 | list_for_each_entry_safe(list_entry, tmp, | |
20999 | &lpfc_buf->dma_sgl_xtra_list, | |
21000 | list_node) { | |
21001 | list_move_tail(&list_entry->list_node, | |
21002 | buf_list); | |
21003 | } | |
21004 | } else { | |
21005 | rc = -EINVAL; | |
21006 | } | |
21007 | ||
a4c21acc | 21008 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21009 | return rc; |
21010 | } | |
21011 | ||
21012 | /** | |
21013 | * lpfc_free_sgl_per_hdwq - Free all SGL chunks of hdwq pool | |
21014 | * @phba: phba object | |
21015 | * @hdwq: hdwq to cleanup sgl buff resources on | |
21016 | * | |
21017 | * This routine frees all SGL chunks of hdwq SGL chunk pool. | |
21018 | * | |
21019 | * Return codes: | |
21020 | * None | |
21021 | **/ | |
21022 | void | |
21023 | lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba, | |
21024 | struct lpfc_sli4_hdw_queue *hdwq) | |
21025 | { | |
21026 | struct list_head *buf_list = &hdwq->sgl_list; | |
21027 | struct sli4_hybrid_sgl *list_entry = NULL; | |
21028 | struct sli4_hybrid_sgl *tmp = NULL; | |
a4c21acc | 21029 | unsigned long iflags; |
d79c9e9d | 21030 | |
a4c21acc | 21031 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21032 | |
21033 | /* Free sgl pool */ | |
21034 | list_for_each_entry_safe(list_entry, tmp, | |
21035 | buf_list, list_node) { | |
21036 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, | |
21037 | list_entry->dma_sgl, | |
21038 | list_entry->dma_phys_sgl); | |
21039 | list_del(&list_entry->list_node); | |
21040 | kfree(list_entry); | |
21041 | } | |
21042 | ||
a4c21acc | 21043 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21044 | } |
21045 | ||
21046 | /** | |
21047 | * lpfc_get_cmd_rsp_buf_per_hdwq - Get one CMD/RSP buffer from hdwq | |
21048 | * @phba: The HBA for which this call is being executed. | |
21049 | * @lpfc_buf: IO buf structure to attach the CMD/RSP buffer | |
21050 | * | |
21051 | * This routine gets one CMD/RSP buffer from hdwq's CMD/RSP pool, | |
21052 | * and will allocate an CMD/RSP buffer if the pool is empty. | |
21053 | * | |
21054 | * Return codes: | |
21055 | * NULL - Error | |
21056 | * Pointer to fcp_cmd_rsp_buf - Success | |
21057 | **/ | |
21058 | struct fcp_cmd_rsp_buf * | |
21059 | lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba, | |
21060 | struct lpfc_io_buf *lpfc_buf) | |
21061 | { | |
21062 | struct fcp_cmd_rsp_buf *list_entry = NULL; | |
21063 | struct fcp_cmd_rsp_buf *tmp = NULL; | |
21064 | struct fcp_cmd_rsp_buf *allocated_buf = NULL; | |
21065 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
21066 | struct list_head *buf_list = &hdwq->cmd_rsp_buf_list; | |
a4c21acc | 21067 | unsigned long iflags; |
d79c9e9d | 21068 | |
a4c21acc | 21069 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21070 | |
21071 | if (likely(!list_empty(buf_list))) { | |
21072 | /* break off 1 chunk from the list */ | |
21073 | list_for_each_entry_safe(list_entry, tmp, | |
21074 | buf_list, | |
21075 | list_node) { | |
21076 | list_move_tail(&list_entry->list_node, | |
21077 | &lpfc_buf->dma_cmd_rsp_list); | |
21078 | break; | |
21079 | } | |
21080 | } else { | |
21081 | /* allocate more */ | |
a4c21acc | 21082 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d | 21083 | tmp = kmalloc_node(sizeof(*tmp), GFP_ATOMIC, |
4583a4f6 | 21084 | cpu_to_node(hdwq->io_wq->chann)); |
d79c9e9d JS |
21085 | if (!tmp) { |
21086 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
21087 | "8355 error kmalloc memory for HDWQ " | |
21088 | "%d %s\n", | |
21089 | lpfc_buf->hdwq_no, __func__); | |
21090 | return NULL; | |
21091 | } | |
21092 | ||
21093 | tmp->fcp_cmnd = dma_pool_alloc(phba->lpfc_cmd_rsp_buf_pool, | |
21094 | GFP_ATOMIC, | |
21095 | &tmp->fcp_cmd_rsp_dma_handle); | |
21096 | ||
21097 | if (!tmp->fcp_cmnd) { | |
21098 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
21099 | "8356 error pool_alloc memory for HDWQ " | |
21100 | "%d %s\n", | |
21101 | lpfc_buf->hdwq_no, __func__); | |
21102 | kfree(tmp); | |
21103 | return NULL; | |
21104 | } | |
21105 | ||
21106 | tmp->fcp_rsp = (struct fcp_rsp *)((uint8_t *)tmp->fcp_cmnd + | |
21107 | sizeof(struct fcp_cmnd)); | |
21108 | ||
a4c21acc | 21109 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21110 | list_add_tail(&tmp->list_node, &lpfc_buf->dma_cmd_rsp_list); |
21111 | } | |
21112 | ||
21113 | allocated_buf = list_last_entry(&lpfc_buf->dma_cmd_rsp_list, | |
21114 | struct fcp_cmd_rsp_buf, | |
21115 | list_node); | |
21116 | ||
a4c21acc | 21117 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21118 | |
21119 | return allocated_buf; | |
21120 | } | |
21121 | ||
21122 | /** | |
21123 | * lpfc_put_cmd_rsp_buf_per_hdwq - Put one CMD/RSP buffer into hdwq pool | |
21124 | * @phba: The HBA for which this call is being executed. | |
21125 | * @lpfc_buf: IO buf structure with the CMD/RSP buf | |
21126 | * | |
21127 | * This routine puts one CMD/RSP buffer into executing CPU's CMD/RSP pool. | |
21128 | * | |
21129 | * Return codes: | |
21130 | * 0 - Success | |
21131 | * -EINVAL - Error | |
21132 | **/ | |
21133 | int | |
21134 | lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba, | |
21135 | struct lpfc_io_buf *lpfc_buf) | |
21136 | { | |
21137 | int rc = 0; | |
21138 | struct fcp_cmd_rsp_buf *list_entry = NULL; | |
21139 | struct fcp_cmd_rsp_buf *tmp = NULL; | |
21140 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
21141 | struct list_head *buf_list = &hdwq->cmd_rsp_buf_list; | |
a4c21acc | 21142 | unsigned long iflags; |
d79c9e9d | 21143 | |
a4c21acc | 21144 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21145 | |
21146 | if (likely(!list_empty(&lpfc_buf->dma_cmd_rsp_list))) { | |
21147 | list_for_each_entry_safe(list_entry, tmp, | |
21148 | &lpfc_buf->dma_cmd_rsp_list, | |
21149 | list_node) { | |
21150 | list_move_tail(&list_entry->list_node, | |
21151 | buf_list); | |
21152 | } | |
21153 | } else { | |
21154 | rc = -EINVAL; | |
21155 | } | |
21156 | ||
a4c21acc | 21157 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21158 | return rc; |
21159 | } | |
21160 | ||
21161 | /** | |
21162 | * lpfc_free_cmd_rsp_buf_per_hdwq - Free all CMD/RSP chunks of hdwq pool | |
21163 | * @phba: phba object | |
21164 | * @hdwq: hdwq to cleanup cmd rsp buff resources on | |
21165 | * | |
21166 | * This routine frees all CMD/RSP buffers of hdwq's CMD/RSP buf pool. | |
21167 | * | |
21168 | * Return codes: | |
21169 | * None | |
21170 | **/ | |
21171 | void | |
21172 | lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba, | |
21173 | struct lpfc_sli4_hdw_queue *hdwq) | |
21174 | { | |
21175 | struct list_head *buf_list = &hdwq->cmd_rsp_buf_list; | |
21176 | struct fcp_cmd_rsp_buf *list_entry = NULL; | |
21177 | struct fcp_cmd_rsp_buf *tmp = NULL; | |
a4c21acc | 21178 | unsigned long iflags; |
d79c9e9d | 21179 | |
a4c21acc | 21180 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
21181 | |
21182 | /* Free cmd_rsp buf pool */ | |
21183 | list_for_each_entry_safe(list_entry, tmp, | |
21184 | buf_list, | |
21185 | list_node) { | |
21186 | dma_pool_free(phba->lpfc_cmd_rsp_buf_pool, | |
21187 | list_entry->fcp_cmnd, | |
21188 | list_entry->fcp_cmd_rsp_dma_handle); | |
21189 | list_del(&list_entry->list_node); | |
21190 | kfree(list_entry); | |
21191 | } | |
21192 | ||
a4c21acc | 21193 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d | 21194 | } |