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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. * |
0d041215 | 4 | * Copyright (C) 2017-2019 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> |
1351e69f JS |
38 | #ifdef CONFIG_X86 |
39 | #include <asm/set_memory.h> | |
40 | #endif | |
dea3101e | 41 | |
895427bd JS |
42 | #include <linux/nvme-fc-driver.h> |
43 | ||
da0436e9 | 44 | #include "lpfc_hw4.h" |
dea3101e JB |
45 | #include "lpfc_hw.h" |
46 | #include "lpfc_sli.h" | |
da0436e9 | 47 | #include "lpfc_sli4.h" |
ea2151b4 | 48 | #include "lpfc_nl.h" |
dea3101e | 49 | #include "lpfc_disc.h" |
dea3101e | 50 | #include "lpfc.h" |
895427bd JS |
51 | #include "lpfc_scsi.h" |
52 | #include "lpfc_nvme.h" | |
f358dd0c | 53 | #include "lpfc_nvmet.h" |
dea3101e JB |
54 | #include "lpfc_crtn.h" |
55 | #include "lpfc_logmsg.h" | |
56 | #include "lpfc_compat.h" | |
858c9f6c | 57 | #include "lpfc_debugfs.h" |
04c68496 | 58 | #include "lpfc_vport.h" |
61bda8f7 | 59 | #include "lpfc_version.h" |
dea3101e JB |
60 | |
61 | /* There are only four IOCB completion types. */ | |
62 | typedef enum _lpfc_iocb_type { | |
63 | LPFC_UNKNOWN_IOCB, | |
64 | LPFC_UNSOL_IOCB, | |
65 | LPFC_SOL_IOCB, | |
66 | LPFC_ABORT_IOCB | |
67 | } lpfc_iocb_type; | |
68 | ||
4f774513 JS |
69 | |
70 | /* Provide function prototypes local to this module. */ | |
71 | static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
72 | uint32_t); | |
73 | static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
45ed1190 JS |
74 | uint8_t *, uint32_t *); |
75 | static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *, | |
76 | struct lpfc_iocbq *); | |
6669f9bb JS |
77 | static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *, |
78 | struct hbq_dmabuf *); | |
ae9e28f3 JS |
79 | static void lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, |
80 | struct hbq_dmabuf *dmabuf); | |
32517fc0 JS |
81 | static bool lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, |
82 | struct lpfc_queue *cq, struct lpfc_cqe *cqe); | |
895427bd | 83 | static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *, |
8a9d2e80 | 84 | int); |
f485c18d | 85 | static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, |
32517fc0 JS |
86 | struct lpfc_queue *eq, |
87 | struct lpfc_eqe *eqe); | |
e8d3c3b1 JS |
88 | static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba); |
89 | static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba); | |
24c7c0a6 JS |
90 | static struct lpfc_cqe *lpfc_sli4_cq_get(struct lpfc_queue *q); |
91 | static void __lpfc_sli4_consume_cqe(struct lpfc_hba *phba, | |
92 | struct lpfc_queue *cq, | |
93 | struct lpfc_cqe *cqe); | |
0558056c | 94 | |
4f774513 JS |
95 | static IOCB_t * |
96 | lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) | |
97 | { | |
98 | return &iocbq->iocb; | |
99 | } | |
100 | ||
48f8fdb4 JS |
101 | #if defined(CONFIG_64BIT) && defined(__LITTLE_ENDIAN) |
102 | /** | |
103 | * lpfc_sli4_pcimem_bcopy - SLI4 memory copy function | |
104 | * @srcp: Source memory pointer. | |
105 | * @destp: Destination memory pointer. | |
106 | * @cnt: Number of words required to be copied. | |
107 | * Must be a multiple of sizeof(uint64_t) | |
108 | * | |
109 | * This function is used for copying data between driver memory | |
110 | * and the SLI WQ. This function also changes the endianness | |
111 | * of each word if native endianness is different from SLI | |
112 | * endianness. This function can be called with or without | |
113 | * lock. | |
114 | **/ | |
d7b761b0 | 115 | static void |
48f8fdb4 JS |
116 | lpfc_sli4_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) |
117 | { | |
118 | uint64_t *src = srcp; | |
119 | uint64_t *dest = destp; | |
120 | int i; | |
121 | ||
122 | for (i = 0; i < (int)cnt; i += sizeof(uint64_t)) | |
123 | *dest++ = *src++; | |
124 | } | |
125 | #else | |
126 | #define lpfc_sli4_pcimem_bcopy(a, b, c) lpfc_sli_pcimem_bcopy(a, b, c) | |
127 | #endif | |
128 | ||
4f774513 JS |
129 | /** |
130 | * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue | |
131 | * @q: The Work Queue to operate on. | |
132 | * @wqe: The work Queue Entry to put on the Work queue. | |
133 | * | |
134 | * This routine will copy the contents of @wqe to the next available entry on | |
135 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
136 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
137 | * successful. If no entries are available on @q then this function will return | |
138 | * -ENOMEM. | |
139 | * The caller is expected to hold the hbalock when calling this routine. | |
140 | **/ | |
cd22d605 | 141 | static int |
205e8240 | 142 | lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe128 *wqe) |
4f774513 | 143 | { |
2e90f4b5 | 144 | union lpfc_wqe *temp_wqe; |
4f774513 JS |
145 | struct lpfc_register doorbell; |
146 | uint32_t host_index; | |
027140ea | 147 | uint32_t idx; |
1351e69f JS |
148 | uint32_t i = 0; |
149 | uint8_t *tmp; | |
5cc167dd | 150 | u32 if_type; |
4f774513 | 151 | |
2e90f4b5 JS |
152 | /* sanity check on queue memory */ |
153 | if (unlikely(!q)) | |
154 | return -ENOMEM; | |
9afbee3d | 155 | temp_wqe = lpfc_sli4_qe(q, q->host_index); |
2e90f4b5 | 156 | |
4f774513 | 157 | /* If the host has not yet processed the next entry then we are done */ |
027140ea JS |
158 | idx = ((q->host_index + 1) % q->entry_count); |
159 | if (idx == q->hba_index) { | |
b84daac9 | 160 | q->WQ_overflow++; |
cd22d605 | 161 | return -EBUSY; |
b84daac9 JS |
162 | } |
163 | q->WQ_posted++; | |
4f774513 | 164 | /* set consumption flag every once in a while */ |
32517fc0 | 165 | if (!((q->host_index + 1) % q->notify_interval)) |
f0d9bccc | 166 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 1); |
04673e38 JS |
167 | else |
168 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 0); | |
fedd3b7b JS |
169 | if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) |
170 | bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); | |
48f8fdb4 | 171 | lpfc_sli4_pcimem_bcopy(wqe, temp_wqe, q->entry_size); |
1351e69f JS |
172 | if (q->dpp_enable && q->phba->cfg_enable_dpp) { |
173 | /* write to DPP aperture taking advatage of Combined Writes */ | |
4c06619f JS |
174 | tmp = (uint8_t *)temp_wqe; |
175 | #ifdef __raw_writeq | |
1351e69f | 176 | for (i = 0; i < q->entry_size; i += sizeof(uint64_t)) |
4c06619f JS |
177 | __raw_writeq(*((uint64_t *)(tmp + i)), |
178 | q->dpp_regaddr + i); | |
179 | #else | |
180 | for (i = 0; i < q->entry_size; i += sizeof(uint32_t)) | |
181 | __raw_writel(*((uint32_t *)(tmp + i)), | |
182 | q->dpp_regaddr + i); | |
183 | #endif | |
1351e69f JS |
184 | } |
185 | /* ensure WQE bcopy and DPP flushed before doorbell write */ | |
6b3b3bdb | 186 | wmb(); |
4f774513 JS |
187 | |
188 | /* Update the host index before invoking device */ | |
189 | host_index = q->host_index; | |
027140ea JS |
190 | |
191 | q->host_index = idx; | |
4f774513 JS |
192 | |
193 | /* Ring Doorbell */ | |
194 | doorbell.word0 = 0; | |
962bc51b | 195 | if (q->db_format == LPFC_DB_LIST_FORMAT) { |
1351e69f JS |
196 | if (q->dpp_enable && q->phba->cfg_enable_dpp) { |
197 | bf_set(lpfc_if6_wq_db_list_fm_num_posted, &doorbell, 1); | |
198 | bf_set(lpfc_if6_wq_db_list_fm_dpp, &doorbell, 1); | |
199 | bf_set(lpfc_if6_wq_db_list_fm_dpp_id, &doorbell, | |
200 | q->dpp_id); | |
201 | bf_set(lpfc_if6_wq_db_list_fm_id, &doorbell, | |
202 | q->queue_id); | |
203 | } else { | |
204 | bf_set(lpfc_wq_db_list_fm_num_posted, &doorbell, 1); | |
1351e69f | 205 | bf_set(lpfc_wq_db_list_fm_id, &doorbell, q->queue_id); |
5cc167dd JS |
206 | |
207 | /* Leave bits <23:16> clear for if_type 6 dpp */ | |
208 | if_type = bf_get(lpfc_sli_intf_if_type, | |
209 | &q->phba->sli4_hba.sli_intf); | |
210 | if (if_type != LPFC_SLI_INTF_IF_TYPE_6) | |
211 | bf_set(lpfc_wq_db_list_fm_index, &doorbell, | |
212 | host_index); | |
1351e69f | 213 | } |
962bc51b JS |
214 | } else if (q->db_format == LPFC_DB_RING_FORMAT) { |
215 | bf_set(lpfc_wq_db_ring_fm_num_posted, &doorbell, 1); | |
216 | bf_set(lpfc_wq_db_ring_fm_id, &doorbell, q->queue_id); | |
217 | } else { | |
218 | return -EINVAL; | |
219 | } | |
220 | writel(doorbell.word0, q->db_regaddr); | |
4f774513 JS |
221 | |
222 | return 0; | |
223 | } | |
224 | ||
225 | /** | |
226 | * lpfc_sli4_wq_release - Updates internal hba index for WQ | |
227 | * @q: The Work Queue to operate on. | |
228 | * @index: The index to advance the hba index to. | |
229 | * | |
230 | * This routine will update the HBA index of a queue to reflect consumption of | |
231 | * Work Queue Entries by the HBA. When the HBA indicates that it has consumed | |
232 | * an entry the host calls this function to update the queue's internal | |
233 | * pointers. This routine returns the number of entries that were consumed by | |
234 | * the HBA. | |
235 | **/ | |
236 | static uint32_t | |
237 | lpfc_sli4_wq_release(struct lpfc_queue *q, uint32_t index) | |
238 | { | |
239 | uint32_t released = 0; | |
240 | ||
2e90f4b5 JS |
241 | /* sanity check on queue memory */ |
242 | if (unlikely(!q)) | |
243 | return 0; | |
244 | ||
4f774513 JS |
245 | if (q->hba_index == index) |
246 | return 0; | |
247 | do { | |
248 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
249 | released++; | |
250 | } while (q->hba_index != index); | |
251 | return released; | |
252 | } | |
253 | ||
254 | /** | |
255 | * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue | |
256 | * @q: The Mailbox Queue to operate on. | |
257 | * @wqe: The Mailbox Queue Entry to put on the Work queue. | |
258 | * | |
259 | * This routine will copy the contents of @mqe to the next available entry on | |
260 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
261 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
262 | * successful. If no entries are available on @q then this function will return | |
263 | * -ENOMEM. | |
264 | * The caller is expected to hold the hbalock when calling this routine. | |
265 | **/ | |
266 | static uint32_t | |
267 | lpfc_sli4_mq_put(struct lpfc_queue *q, struct lpfc_mqe *mqe) | |
268 | { | |
2e90f4b5 | 269 | struct lpfc_mqe *temp_mqe; |
4f774513 | 270 | struct lpfc_register doorbell; |
4f774513 | 271 | |
2e90f4b5 JS |
272 | /* sanity check on queue memory */ |
273 | if (unlikely(!q)) | |
274 | return -ENOMEM; | |
9afbee3d | 275 | temp_mqe = lpfc_sli4_qe(q, q->host_index); |
2e90f4b5 | 276 | |
4f774513 JS |
277 | /* If the host has not yet processed the next entry then we are done */ |
278 | if (((q->host_index + 1) % q->entry_count) == q->hba_index) | |
279 | return -ENOMEM; | |
48f8fdb4 | 280 | lpfc_sli4_pcimem_bcopy(mqe, temp_mqe, q->entry_size); |
4f774513 JS |
281 | /* Save off the mailbox pointer for completion */ |
282 | q->phba->mbox = (MAILBOX_t *)temp_mqe; | |
283 | ||
284 | /* Update the host index before invoking device */ | |
4f774513 JS |
285 | q->host_index = ((q->host_index + 1) % q->entry_count); |
286 | ||
287 | /* Ring Doorbell */ | |
288 | doorbell.word0 = 0; | |
289 | bf_set(lpfc_mq_doorbell_num_posted, &doorbell, 1); | |
290 | bf_set(lpfc_mq_doorbell_id, &doorbell, q->queue_id); | |
291 | writel(doorbell.word0, q->phba->sli4_hba.MQDBregaddr); | |
4f774513 JS |
292 | return 0; |
293 | } | |
294 | ||
295 | /** | |
296 | * lpfc_sli4_mq_release - Updates internal hba index for MQ | |
297 | * @q: The Mailbox Queue to operate on. | |
298 | * | |
299 | * This routine will update the HBA index of a queue to reflect consumption of | |
300 | * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed | |
301 | * an entry the host calls this function to update the queue's internal | |
302 | * pointers. This routine returns the number of entries that were consumed by | |
303 | * the HBA. | |
304 | **/ | |
305 | static uint32_t | |
306 | lpfc_sli4_mq_release(struct lpfc_queue *q) | |
307 | { | |
2e90f4b5 JS |
308 | /* sanity check on queue memory */ |
309 | if (unlikely(!q)) | |
310 | return 0; | |
311 | ||
4f774513 JS |
312 | /* Clear the mailbox pointer for completion */ |
313 | q->phba->mbox = NULL; | |
314 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
315 | return 1; | |
316 | } | |
317 | ||
318 | /** | |
319 | * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ | |
320 | * @q: The Event Queue to get the first valid EQE from | |
321 | * | |
322 | * This routine will get the first valid Event Queue Entry from @q, update | |
323 | * the queue's internal hba index, and return the EQE. If no valid EQEs are in | |
324 | * the Queue (no more work to do), or the Queue is full of EQEs that have been | |
325 | * processed, but not popped back to the HBA then this routine will return NULL. | |
326 | **/ | |
327 | static struct lpfc_eqe * | |
328 | lpfc_sli4_eq_get(struct lpfc_queue *q) | |
329 | { | |
2e90f4b5 JS |
330 | struct lpfc_eqe *eqe; |
331 | ||
332 | /* sanity check on queue memory */ | |
333 | if (unlikely(!q)) | |
334 | return NULL; | |
9afbee3d | 335 | eqe = lpfc_sli4_qe(q, q->host_index); |
4f774513 JS |
336 | |
337 | /* If the next EQE is not valid then we are done */ | |
7365f6fd | 338 | if (bf_get_le32(lpfc_eqe_valid, eqe) != q->qe_valid) |
4f774513 | 339 | return NULL; |
27f344eb JS |
340 | |
341 | /* | |
342 | * insert barrier for instruction interlock : data from the hardware | |
343 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
344 | * upon. Speculative instructions were allowing a bcopy at the start |
345 | * of lpfc_sli4_fp_handle_wcqe(), which is called immediately | |
346 | * after our return, to copy data before the valid bit check above | |
347 | * was done. As such, some of the copied data was stale. The barrier | |
348 | * ensures the check is before any data is copied. | |
27f344eb JS |
349 | */ |
350 | mb(); | |
4f774513 JS |
351 | return eqe; |
352 | } | |
353 | ||
ba20c853 JS |
354 | /** |
355 | * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ | |
356 | * @q: The Event Queue to disable interrupts | |
357 | * | |
358 | **/ | |
92f3b327 | 359 | void |
ba20c853 JS |
360 | lpfc_sli4_eq_clr_intr(struct lpfc_queue *q) |
361 | { | |
362 | struct lpfc_register doorbell; | |
363 | ||
364 | doorbell.word0 = 0; | |
365 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
366 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
367 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, | |
368 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
369 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 370 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
ba20c853 JS |
371 | } |
372 | ||
27d6ac0a JS |
373 | /** |
374 | * lpfc_sli4_if6_eq_clr_intr - Turn off interrupts from this EQ | |
375 | * @q: The Event Queue to disable interrupts | |
376 | * | |
377 | **/ | |
92f3b327 | 378 | void |
27d6ac0a JS |
379 | lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q) |
380 | { | |
381 | struct lpfc_register doorbell; | |
382 | ||
383 | doorbell.word0 = 0; | |
aad59d5d | 384 | bf_set(lpfc_if6_eq_doorbell_eqid, &doorbell, q->queue_id); |
27d6ac0a JS |
385 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
386 | } | |
387 | ||
4f774513 | 388 | /** |
32517fc0 JS |
389 | * lpfc_sli4_write_eq_db - write EQ DB for eqe's consumed or arm state |
390 | * @phba: adapter with EQ | |
4f774513 | 391 | * @q: The Event Queue that the host has completed processing for. |
32517fc0 | 392 | * @count: Number of elements that have been consumed |
4f774513 JS |
393 | * @arm: Indicates whether the host wants to arms this CQ. |
394 | * | |
32517fc0 JS |
395 | * This routine will notify the HBA, by ringing the doorbell, that count |
396 | * number of EQEs have been processed. The @arm parameter indicates whether | |
397 | * the queue should be rearmed when ringing the doorbell. | |
4f774513 | 398 | **/ |
32517fc0 JS |
399 | void |
400 | lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
401 | uint32_t count, bool arm) | |
4f774513 | 402 | { |
4f774513 JS |
403 | struct lpfc_register doorbell; |
404 | ||
2e90f4b5 | 405 | /* sanity check on queue memory */ |
32517fc0 JS |
406 | if (unlikely(!q || (count == 0 && !arm))) |
407 | return; | |
4f774513 JS |
408 | |
409 | /* ring doorbell for number popped */ | |
410 | doorbell.word0 = 0; | |
411 | if (arm) { | |
412 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
413 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
414 | } | |
32517fc0 | 415 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, count); |
4f774513 | 416 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); |
6b5151fd JS |
417 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, |
418 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
419 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 420 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); |
a747c9ce JS |
421 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ |
422 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
9dd35425 | 423 | readl(q->phba->sli4_hba.EQDBregaddr); |
4f774513 JS |
424 | } |
425 | ||
27d6ac0a | 426 | /** |
32517fc0 JS |
427 | * lpfc_sli4_if6_write_eq_db - write EQ DB for eqe's consumed or arm state |
428 | * @phba: adapter with EQ | |
27d6ac0a | 429 | * @q: The Event Queue that the host has completed processing for. |
32517fc0 | 430 | * @count: Number of elements that have been consumed |
27d6ac0a JS |
431 | * @arm: Indicates whether the host wants to arms this CQ. |
432 | * | |
32517fc0 JS |
433 | * This routine will notify the HBA, by ringing the doorbell, that count |
434 | * number of EQEs have been processed. The @arm parameter indicates whether | |
435 | * the queue should be rearmed when ringing the doorbell. | |
27d6ac0a | 436 | **/ |
32517fc0 JS |
437 | void |
438 | lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
439 | uint32_t count, bool arm) | |
27d6ac0a | 440 | { |
27d6ac0a JS |
441 | struct lpfc_register doorbell; |
442 | ||
443 | /* sanity check on queue memory */ | |
32517fc0 JS |
444 | if (unlikely(!q || (count == 0 && !arm))) |
445 | return; | |
27d6ac0a JS |
446 | |
447 | /* ring doorbell for number popped */ | |
448 | doorbell.word0 = 0; | |
449 | if (arm) | |
450 | bf_set(lpfc_if6_eq_doorbell_arm, &doorbell, 1); | |
32517fc0 | 451 | bf_set(lpfc_if6_eq_doorbell_num_released, &doorbell, count); |
27d6ac0a JS |
452 | bf_set(lpfc_if6_eq_doorbell_eqid, &doorbell, q->queue_id); |
453 | writel(doorbell.word0, q->phba->sli4_hba.EQDBregaddr); | |
454 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ | |
455 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
456 | readl(q->phba->sli4_hba.EQDBregaddr); | |
32517fc0 JS |
457 | } |
458 | ||
459 | static void | |
460 | __lpfc_sli4_consume_eqe(struct lpfc_hba *phba, struct lpfc_queue *eq, | |
461 | struct lpfc_eqe *eqe) | |
462 | { | |
463 | if (!phba->sli4_hba.pc_sli4_params.eqav) | |
464 | bf_set_le32(lpfc_eqe_valid, eqe, 0); | |
465 | ||
466 | eq->host_index = ((eq->host_index + 1) % eq->entry_count); | |
467 | ||
468 | /* if the index wrapped around, toggle the valid bit */ | |
469 | if (phba->sli4_hba.pc_sli4_params.eqav && !eq->host_index) | |
470 | eq->qe_valid = (eq->qe_valid) ? 0 : 1; | |
471 | } | |
472 | ||
473 | static void | |
24c7c0a6 | 474 | lpfc_sli4_eqcq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq) |
32517fc0 | 475 | { |
24c7c0a6 JS |
476 | struct lpfc_eqe *eqe = NULL; |
477 | u32 eq_count = 0, cq_count = 0; | |
478 | struct lpfc_cqe *cqe = NULL; | |
479 | struct lpfc_queue *cq = NULL, *childq = NULL; | |
480 | int cqid = 0; | |
32517fc0 JS |
481 | |
482 | /* walk all the EQ entries and drop on the floor */ | |
483 | eqe = lpfc_sli4_eq_get(eq); | |
484 | while (eqe) { | |
24c7c0a6 JS |
485 | /* Get the reference to the corresponding CQ */ |
486 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
487 | cq = NULL; | |
488 | ||
489 | list_for_each_entry(childq, &eq->child_list, list) { | |
490 | if (childq->queue_id == cqid) { | |
491 | cq = childq; | |
492 | break; | |
493 | } | |
494 | } | |
495 | /* If CQ is valid, iterate through it and drop all the CQEs */ | |
496 | if (cq) { | |
497 | cqe = lpfc_sli4_cq_get(cq); | |
498 | while (cqe) { | |
499 | __lpfc_sli4_consume_cqe(phba, cq, cqe); | |
500 | cq_count++; | |
501 | cqe = lpfc_sli4_cq_get(cq); | |
502 | } | |
503 | /* Clear and re-arm the CQ */ | |
504 | phba->sli4_hba.sli4_write_cq_db(phba, cq, cq_count, | |
505 | LPFC_QUEUE_REARM); | |
506 | cq_count = 0; | |
507 | } | |
32517fc0 | 508 | __lpfc_sli4_consume_eqe(phba, eq, eqe); |
24c7c0a6 | 509 | eq_count++; |
32517fc0 JS |
510 | eqe = lpfc_sli4_eq_get(eq); |
511 | } | |
512 | ||
513 | /* Clear and re-arm the EQ */ | |
24c7c0a6 | 514 | phba->sli4_hba.sli4_write_eq_db(phba, eq, eq_count, LPFC_QUEUE_REARM); |
32517fc0 JS |
515 | } |
516 | ||
517 | static int | |
93a4d6f4 JS |
518 | lpfc_sli4_process_eq(struct lpfc_hba *phba, struct lpfc_queue *eq, |
519 | uint8_t rearm) | |
32517fc0 JS |
520 | { |
521 | struct lpfc_eqe *eqe; | |
522 | int count = 0, consumed = 0; | |
523 | ||
524 | if (cmpxchg(&eq->queue_claimed, 0, 1) != 0) | |
525 | goto rearm_and_exit; | |
526 | ||
527 | eqe = lpfc_sli4_eq_get(eq); | |
528 | while (eqe) { | |
529 | lpfc_sli4_hba_handle_eqe(phba, eq, eqe); | |
530 | __lpfc_sli4_consume_eqe(phba, eq, eqe); | |
531 | ||
532 | consumed++; | |
533 | if (!(++count % eq->max_proc_limit)) | |
534 | break; | |
535 | ||
536 | if (!(count % eq->notify_interval)) { | |
537 | phba->sli4_hba.sli4_write_eq_db(phba, eq, consumed, | |
538 | LPFC_QUEUE_NOARM); | |
539 | consumed = 0; | |
540 | } | |
541 | ||
542 | eqe = lpfc_sli4_eq_get(eq); | |
543 | } | |
544 | eq->EQ_processed += count; | |
545 | ||
546 | /* Track the max number of EQEs processed in 1 intr */ | |
547 | if (count > eq->EQ_max_eqe) | |
548 | eq->EQ_max_eqe = count; | |
549 | ||
550 | eq->queue_claimed = 0; | |
551 | ||
552 | rearm_and_exit: | |
93a4d6f4 JS |
553 | /* Always clear the EQ. */ |
554 | phba->sli4_hba.sli4_write_eq_db(phba, eq, consumed, rearm); | |
32517fc0 JS |
555 | |
556 | return count; | |
27d6ac0a JS |
557 | } |
558 | ||
4f774513 JS |
559 | /** |
560 | * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ | |
561 | * @q: The Completion Queue to get the first valid CQE from | |
562 | * | |
563 | * This routine will get the first valid Completion Queue Entry from @q, update | |
564 | * the queue's internal hba index, and return the CQE. If no valid CQEs are in | |
565 | * the Queue (no more work to do), or the Queue is full of CQEs that have been | |
566 | * processed, but not popped back to the HBA then this routine will return NULL. | |
567 | **/ | |
568 | static struct lpfc_cqe * | |
569 | lpfc_sli4_cq_get(struct lpfc_queue *q) | |
570 | { | |
571 | struct lpfc_cqe *cqe; | |
572 | ||
2e90f4b5 JS |
573 | /* sanity check on queue memory */ |
574 | if (unlikely(!q)) | |
575 | return NULL; | |
9afbee3d | 576 | cqe = lpfc_sli4_qe(q, q->host_index); |
2e90f4b5 | 577 | |
4f774513 | 578 | /* If the next CQE is not valid then we are done */ |
7365f6fd | 579 | if (bf_get_le32(lpfc_cqe_valid, cqe) != q->qe_valid) |
4f774513 | 580 | return NULL; |
27f344eb JS |
581 | |
582 | /* | |
583 | * insert barrier for instruction interlock : data from the hardware | |
584 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
585 | * upon. Given what was seen in lpfc_sli4_cq_get() of speculative |
586 | * instructions allowing action on content before valid bit checked, | |
587 | * add barrier here as well. May not be needed as "content" is a | |
588 | * single 32-bit entity here (vs multi word structure for cq's). | |
27f344eb JS |
589 | */ |
590 | mb(); | |
4f774513 JS |
591 | return cqe; |
592 | } | |
593 | ||
32517fc0 JS |
594 | static void |
595 | __lpfc_sli4_consume_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
596 | struct lpfc_cqe *cqe) | |
597 | { | |
598 | if (!phba->sli4_hba.pc_sli4_params.cqav) | |
599 | bf_set_le32(lpfc_cqe_valid, cqe, 0); | |
600 | ||
601 | cq->host_index = ((cq->host_index + 1) % cq->entry_count); | |
602 | ||
603 | /* if the index wrapped around, toggle the valid bit */ | |
604 | if (phba->sli4_hba.pc_sli4_params.cqav && !cq->host_index) | |
605 | cq->qe_valid = (cq->qe_valid) ? 0 : 1; | |
606 | } | |
607 | ||
4f774513 | 608 | /** |
32517fc0 JS |
609 | * lpfc_sli4_write_cq_db - write cq DB for entries consumed or arm state. |
610 | * @phba: the adapter with the CQ | |
4f774513 | 611 | * @q: The Completion Queue that the host has completed processing for. |
32517fc0 | 612 | * @count: the number of elements that were consumed |
4f774513 JS |
613 | * @arm: Indicates whether the host wants to arms this CQ. |
614 | * | |
32517fc0 JS |
615 | * This routine will notify the HBA, by ringing the doorbell, that the |
616 | * CQEs have been processed. The @arm parameter specifies whether the | |
617 | * queue should be rearmed when ringing the doorbell. | |
4f774513 | 618 | **/ |
32517fc0 JS |
619 | void |
620 | lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
621 | uint32_t count, bool arm) | |
4f774513 | 622 | { |
4f774513 JS |
623 | struct lpfc_register doorbell; |
624 | ||
2e90f4b5 | 625 | /* sanity check on queue memory */ |
32517fc0 JS |
626 | if (unlikely(!q || (count == 0 && !arm))) |
627 | return; | |
4f774513 JS |
628 | |
629 | /* ring doorbell for number popped */ | |
630 | doorbell.word0 = 0; | |
631 | if (arm) | |
632 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
32517fc0 | 633 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, count); |
4f774513 | 634 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); |
6b5151fd JS |
635 | bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, |
636 | (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); | |
637 | bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); | |
9dd35425 | 638 | writel(doorbell.word0, q->phba->sli4_hba.CQDBregaddr); |
4f774513 JS |
639 | } |
640 | ||
27d6ac0a | 641 | /** |
32517fc0 JS |
642 | * lpfc_sli4_if6_write_cq_db - write cq DB for entries consumed or arm state. |
643 | * @phba: the adapter with the CQ | |
27d6ac0a | 644 | * @q: The Completion Queue that the host has completed processing for. |
32517fc0 | 645 | * @count: the number of elements that were consumed |
27d6ac0a JS |
646 | * @arm: Indicates whether the host wants to arms this CQ. |
647 | * | |
32517fc0 JS |
648 | * This routine will notify the HBA, by ringing the doorbell, that the |
649 | * CQEs have been processed. The @arm parameter specifies whether the | |
650 | * queue should be rearmed when ringing the doorbell. | |
27d6ac0a | 651 | **/ |
32517fc0 JS |
652 | void |
653 | lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q, | |
654 | uint32_t count, bool arm) | |
27d6ac0a | 655 | { |
27d6ac0a JS |
656 | struct lpfc_register doorbell; |
657 | ||
658 | /* sanity check on queue memory */ | |
32517fc0 JS |
659 | if (unlikely(!q || (count == 0 && !arm))) |
660 | return; | |
27d6ac0a JS |
661 | |
662 | /* ring doorbell for number popped */ | |
663 | doorbell.word0 = 0; | |
664 | if (arm) | |
665 | bf_set(lpfc_if6_cq_doorbell_arm, &doorbell, 1); | |
32517fc0 | 666 | bf_set(lpfc_if6_cq_doorbell_num_released, &doorbell, count); |
27d6ac0a JS |
667 | bf_set(lpfc_if6_cq_doorbell_cqid, &doorbell, q->queue_id); |
668 | writel(doorbell.word0, q->phba->sli4_hba.CQDBregaddr); | |
27d6ac0a JS |
669 | } |
670 | ||
4f774513 JS |
671 | /** |
672 | * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue | |
673 | * @q: The Header Receive Queue to operate on. | |
674 | * @wqe: The Receive Queue Entry to put on the Receive queue. | |
675 | * | |
676 | * This routine will copy the contents of @wqe to the next available entry on | |
677 | * the @q. This function will then ring the Receive Queue Doorbell to signal the | |
678 | * HBA to start processing the Receive Queue Entry. This function returns the | |
679 | * index that the rqe was copied to if successful. If no entries are available | |
680 | * on @q then this function will return -ENOMEM. | |
681 | * The caller is expected to hold the hbalock when calling this routine. | |
682 | **/ | |
895427bd | 683 | int |
4f774513 JS |
684 | lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, |
685 | struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe) | |
686 | { | |
2e90f4b5 JS |
687 | struct lpfc_rqe *temp_hrqe; |
688 | struct lpfc_rqe *temp_drqe; | |
4f774513 | 689 | struct lpfc_register doorbell; |
cbc5de1b JS |
690 | int hq_put_index; |
691 | int dq_put_index; | |
4f774513 | 692 | |
2e90f4b5 JS |
693 | /* sanity check on queue memory */ |
694 | if (unlikely(!hq) || unlikely(!dq)) | |
695 | return -ENOMEM; | |
cbc5de1b JS |
696 | hq_put_index = hq->host_index; |
697 | dq_put_index = dq->host_index; | |
9afbee3d JS |
698 | temp_hrqe = lpfc_sli4_qe(hq, hq_put_index); |
699 | temp_drqe = lpfc_sli4_qe(dq, dq_put_index); | |
2e90f4b5 | 700 | |
4f774513 JS |
701 | if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ) |
702 | return -EINVAL; | |
cbc5de1b | 703 | if (hq_put_index != dq_put_index) |
4f774513 JS |
704 | return -EINVAL; |
705 | /* If the host has not yet processed the next entry then we are done */ | |
cbc5de1b | 706 | if (((hq_put_index + 1) % hq->entry_count) == hq->hba_index) |
4f774513 | 707 | return -EBUSY; |
48f8fdb4 JS |
708 | lpfc_sli4_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size); |
709 | lpfc_sli4_pcimem_bcopy(drqe, temp_drqe, dq->entry_size); | |
4f774513 JS |
710 | |
711 | /* Update the host index to point to the next slot */ | |
cbc5de1b JS |
712 | hq->host_index = ((hq_put_index + 1) % hq->entry_count); |
713 | dq->host_index = ((dq_put_index + 1) % dq->entry_count); | |
61f3d4bf | 714 | hq->RQ_buf_posted++; |
4f774513 JS |
715 | |
716 | /* Ring The Header Receive Queue Doorbell */ | |
32517fc0 | 717 | if (!(hq->host_index % hq->notify_interval)) { |
4f774513 | 718 | doorbell.word0 = 0; |
962bc51b JS |
719 | if (hq->db_format == LPFC_DB_RING_FORMAT) { |
720 | bf_set(lpfc_rq_db_ring_fm_num_posted, &doorbell, | |
32517fc0 | 721 | hq->notify_interval); |
962bc51b JS |
722 | bf_set(lpfc_rq_db_ring_fm_id, &doorbell, hq->queue_id); |
723 | } else if (hq->db_format == LPFC_DB_LIST_FORMAT) { | |
724 | bf_set(lpfc_rq_db_list_fm_num_posted, &doorbell, | |
32517fc0 | 725 | hq->notify_interval); |
962bc51b JS |
726 | bf_set(lpfc_rq_db_list_fm_index, &doorbell, |
727 | hq->host_index); | |
728 | bf_set(lpfc_rq_db_list_fm_id, &doorbell, hq->queue_id); | |
729 | } else { | |
730 | return -EINVAL; | |
731 | } | |
732 | writel(doorbell.word0, hq->db_regaddr); | |
4f774513 | 733 | } |
cbc5de1b | 734 | return hq_put_index; |
4f774513 JS |
735 | } |
736 | ||
737 | /** | |
738 | * lpfc_sli4_rq_release - Updates internal hba index for RQ | |
739 | * @q: The Header Receive Queue to operate on. | |
740 | * | |
741 | * This routine will update the HBA index of a queue to reflect consumption of | |
742 | * one Receive Queue Entry by the HBA. When the HBA indicates that it has | |
743 | * consumed an entry the host calls this function to update the queue's | |
744 | * internal pointers. This routine returns the number of entries that were | |
745 | * consumed by the HBA. | |
746 | **/ | |
747 | static uint32_t | |
748 | lpfc_sli4_rq_release(struct lpfc_queue *hq, struct lpfc_queue *dq) | |
749 | { | |
2e90f4b5 JS |
750 | /* sanity check on queue memory */ |
751 | if (unlikely(!hq) || unlikely(!dq)) | |
752 | return 0; | |
753 | ||
4f774513 JS |
754 | if ((hq->type != LPFC_HRQ) || (dq->type != LPFC_DRQ)) |
755 | return 0; | |
756 | hq->hba_index = ((hq->hba_index + 1) % hq->entry_count); | |
757 | dq->hba_index = ((dq->hba_index + 1) % dq->entry_count); | |
758 | return 1; | |
759 | } | |
760 | ||
e59058c4 | 761 | /** |
3621a710 | 762 | * lpfc_cmd_iocb - Get next command iocb entry in the ring |
e59058c4 JS |
763 | * @phba: Pointer to HBA context object. |
764 | * @pring: Pointer to driver SLI ring object. | |
765 | * | |
766 | * This function returns pointer to next command iocb entry | |
767 | * in the command ring. The caller must hold hbalock to prevent | |
768 | * other threads consume the next command iocb. | |
769 | * SLI-2/SLI-3 provide different sized iocbs. | |
770 | **/ | |
ed957684 JS |
771 | static inline IOCB_t * |
772 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
773 | { | |
7e56aa25 JS |
774 | return (IOCB_t *) (((char *) pring->sli.sli3.cmdringaddr) + |
775 | pring->sli.sli3.cmdidx * phba->iocb_cmd_size); | |
ed957684 JS |
776 | } |
777 | ||
e59058c4 | 778 | /** |
3621a710 | 779 | * lpfc_resp_iocb - Get next response iocb entry in the ring |
e59058c4 JS |
780 | * @phba: Pointer to HBA context object. |
781 | * @pring: Pointer to driver SLI ring object. | |
782 | * | |
783 | * This function returns pointer to next response iocb entry | |
784 | * in the response ring. The caller must hold hbalock to make sure | |
785 | * that no other thread consume the next response iocb. | |
786 | * SLI-2/SLI-3 provide different sized iocbs. | |
787 | **/ | |
ed957684 JS |
788 | static inline IOCB_t * |
789 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
790 | { | |
7e56aa25 JS |
791 | return (IOCB_t *) (((char *) pring->sli.sli3.rspringaddr) + |
792 | pring->sli.sli3.rspidx * phba->iocb_rsp_size); | |
ed957684 JS |
793 | } |
794 | ||
e59058c4 | 795 | /** |
3621a710 | 796 | * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
797 | * @phba: Pointer to HBA context object. |
798 | * | |
799 | * This function is called with hbalock held. This function | |
800 | * allocates a new driver iocb object from the iocb pool. If the | |
801 | * allocation is successful, it returns pointer to the newly | |
802 | * allocated iocb object else it returns NULL. | |
803 | **/ | |
4f2e66c6 | 804 | struct lpfc_iocbq * |
2e0fef85 | 805 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) |
0bd4ca25 JSEC |
806 | { |
807 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
808 | struct lpfc_iocbq * iocbq = NULL; | |
809 | ||
1c2ba475 JT |
810 | lockdep_assert_held(&phba->hbalock); |
811 | ||
0bd4ca25 | 812 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
2a9bf3d0 JS |
813 | if (iocbq) |
814 | phba->iocb_cnt++; | |
815 | if (phba->iocb_cnt > phba->iocb_max) | |
816 | phba->iocb_max = phba->iocb_cnt; | |
0bd4ca25 JSEC |
817 | return iocbq; |
818 | } | |
819 | ||
da0436e9 JS |
820 | /** |
821 | * __lpfc_clear_active_sglq - Remove the active sglq for this XRI. | |
822 | * @phba: Pointer to HBA context object. | |
823 | * @xritag: XRI value. | |
824 | * | |
825 | * This function clears the sglq pointer from the array of acive | |
826 | * sglq's. The xritag that is passed in is used to index into the | |
827 | * array. Before the xritag can be used it needs to be adjusted | |
828 | * by subtracting the xribase. | |
829 | * | |
830 | * Returns sglq ponter = success, NULL = Failure. | |
831 | **/ | |
895427bd | 832 | struct lpfc_sglq * |
da0436e9 JS |
833 | __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
834 | { | |
da0436e9 | 835 | struct lpfc_sglq *sglq; |
6d368e53 JS |
836 | |
837 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
838 | phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL; | |
da0436e9 JS |
839 | return sglq; |
840 | } | |
841 | ||
842 | /** | |
843 | * __lpfc_get_active_sglq - Get the active sglq for this XRI. | |
844 | * @phba: Pointer to HBA context object. | |
845 | * @xritag: XRI value. | |
846 | * | |
847 | * This function returns the sglq pointer from the array of acive | |
848 | * sglq's. The xritag that is passed in is used to index into the | |
849 | * array. Before the xritag can be used it needs to be adjusted | |
850 | * by subtracting the xribase. | |
851 | * | |
852 | * Returns sglq ponter = success, NULL = Failure. | |
853 | **/ | |
0f65ff68 | 854 | struct lpfc_sglq * |
da0436e9 JS |
855 | __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
856 | { | |
da0436e9 | 857 | struct lpfc_sglq *sglq; |
6d368e53 JS |
858 | |
859 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
da0436e9 JS |
860 | return sglq; |
861 | } | |
862 | ||
19ca7609 | 863 | /** |
1151e3ec | 864 | * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. |
19ca7609 JS |
865 | * @phba: Pointer to HBA context object. |
866 | * @xritag: xri used in this exchange. | |
867 | * @rrq: The RRQ to be cleared. | |
868 | * | |
19ca7609 | 869 | **/ |
1151e3ec JS |
870 | void |
871 | lpfc_clr_rrq_active(struct lpfc_hba *phba, | |
872 | uint16_t xritag, | |
873 | struct lpfc_node_rrq *rrq) | |
19ca7609 | 874 | { |
1151e3ec | 875 | struct lpfc_nodelist *ndlp = NULL; |
19ca7609 | 876 | |
1151e3ec JS |
877 | if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp)) |
878 | ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID); | |
19ca7609 JS |
879 | |
880 | /* The target DID could have been swapped (cable swap) | |
881 | * we should use the ndlp from the findnode if it is | |
882 | * available. | |
883 | */ | |
1151e3ec | 884 | if ((!ndlp) && rrq->ndlp) |
19ca7609 JS |
885 | ndlp = rrq->ndlp; |
886 | ||
1151e3ec JS |
887 | if (!ndlp) |
888 | goto out; | |
889 | ||
cff261f6 | 890 | if (test_and_clear_bit(xritag, ndlp->active_rrqs_xri_bitmap)) { |
19ca7609 JS |
891 | rrq->send_rrq = 0; |
892 | rrq->xritag = 0; | |
893 | rrq->rrq_stop_time = 0; | |
894 | } | |
1151e3ec | 895 | out: |
19ca7609 JS |
896 | mempool_free(rrq, phba->rrq_pool); |
897 | } | |
898 | ||
899 | /** | |
900 | * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV. | |
901 | * @phba: Pointer to HBA context object. | |
902 | * | |
903 | * This function is called with hbalock held. This function | |
904 | * Checks if stop_time (ratov from setting rrq active) has | |
905 | * been reached, if it has and the send_rrq flag is set then | |
906 | * it will call lpfc_send_rrq. If the send_rrq flag is not set | |
907 | * then it will just call the routine to clear the rrq and | |
908 | * free the rrq resource. | |
909 | * The timer is set to the next rrq that is going to expire before | |
910 | * leaving the routine. | |
911 | * | |
912 | **/ | |
913 | void | |
914 | lpfc_handle_rrq_active(struct lpfc_hba *phba) | |
915 | { | |
916 | struct lpfc_node_rrq *rrq; | |
917 | struct lpfc_node_rrq *nextrrq; | |
918 | unsigned long next_time; | |
919 | unsigned long iflags; | |
1151e3ec | 920 | LIST_HEAD(send_rrq); |
19ca7609 JS |
921 | |
922 | spin_lock_irqsave(&phba->hbalock, iflags); | |
923 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
256ec0d0 | 924 | next_time = jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); |
19ca7609 | 925 | list_for_each_entry_safe(rrq, nextrrq, |
1151e3ec JS |
926 | &phba->active_rrq_list, list) { |
927 | if (time_after(jiffies, rrq->rrq_stop_time)) | |
928 | list_move(&rrq->list, &send_rrq); | |
929 | else if (time_before(rrq->rrq_stop_time, next_time)) | |
19ca7609 JS |
930 | next_time = rrq->rrq_stop_time; |
931 | } | |
932 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
06918ac5 JS |
933 | if ((!list_empty(&phba->active_rrq_list)) && |
934 | (!(phba->pport->load_flag & FC_UNLOADING))) | |
19ca7609 | 935 | mod_timer(&phba->rrq_tmr, next_time); |
1151e3ec JS |
936 | list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) { |
937 | list_del(&rrq->list); | |
ffd43814 | 938 | if (!rrq->send_rrq) { |
1151e3ec | 939 | /* this call will free the rrq */ |
ffd43814 BVA |
940 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); |
941 | } else if (lpfc_send_rrq(phba, rrq)) { | |
1151e3ec JS |
942 | /* if we send the rrq then the completion handler |
943 | * will clear the bit in the xribitmap. | |
944 | */ | |
945 | lpfc_clr_rrq_active(phba, rrq->xritag, | |
946 | rrq); | |
947 | } | |
948 | } | |
19ca7609 JS |
949 | } |
950 | ||
951 | /** | |
952 | * lpfc_get_active_rrq - Get the active RRQ for this exchange. | |
953 | * @vport: Pointer to vport context object. | |
954 | * @xri: The xri used in the exchange. | |
955 | * @did: The targets DID for this exchange. | |
956 | * | |
957 | * returns NULL = rrq not found in the phba->active_rrq_list. | |
958 | * rrq = rrq for this xri and target. | |
959 | **/ | |
960 | struct lpfc_node_rrq * | |
961 | lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did) | |
962 | { | |
963 | struct lpfc_hba *phba = vport->phba; | |
964 | struct lpfc_node_rrq *rrq; | |
965 | struct lpfc_node_rrq *nextrrq; | |
966 | unsigned long iflags; | |
967 | ||
968 | if (phba->sli_rev != LPFC_SLI_REV4) | |
969 | return NULL; | |
970 | spin_lock_irqsave(&phba->hbalock, iflags); | |
971 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { | |
972 | if (rrq->vport == vport && rrq->xritag == xri && | |
973 | rrq->nlp_DID == did){ | |
974 | list_del(&rrq->list); | |
975 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
976 | return rrq; | |
977 | } | |
978 | } | |
979 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
980 | return NULL; | |
981 | } | |
982 | ||
983 | /** | |
984 | * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport. | |
985 | * @vport: Pointer to vport context object. | |
1151e3ec JS |
986 | * @ndlp: Pointer to the lpfc_node_list structure. |
987 | * If ndlp is NULL Remove all active RRQs for this vport from the | |
988 | * phba->active_rrq_list and clear the rrq. | |
989 | * If ndlp is not NULL then only remove rrqs for this vport & this ndlp. | |
19ca7609 JS |
990 | **/ |
991 | void | |
1151e3ec | 992 | lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
19ca7609 JS |
993 | |
994 | { | |
995 | struct lpfc_hba *phba = vport->phba; | |
996 | struct lpfc_node_rrq *rrq; | |
997 | struct lpfc_node_rrq *nextrrq; | |
998 | unsigned long iflags; | |
1151e3ec | 999 | LIST_HEAD(rrq_list); |
19ca7609 JS |
1000 | |
1001 | if (phba->sli_rev != LPFC_SLI_REV4) | |
1002 | return; | |
1151e3ec JS |
1003 | if (!ndlp) { |
1004 | lpfc_sli4_vport_delete_els_xri_aborted(vport); | |
1005 | lpfc_sli4_vport_delete_fcp_xri_aborted(vport); | |
19ca7609 | 1006 | } |
1151e3ec JS |
1007 | spin_lock_irqsave(&phba->hbalock, iflags); |
1008 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) | |
1009 | if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp)) | |
1010 | list_move(&rrq->list, &rrq_list); | |
19ca7609 | 1011 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
1151e3ec JS |
1012 | |
1013 | list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) { | |
1014 | list_del(&rrq->list); | |
1015 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
1016 | } | |
19ca7609 JS |
1017 | } |
1018 | ||
19ca7609 | 1019 | /** |
1151e3ec | 1020 | * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. |
19ca7609 JS |
1021 | * @phba: Pointer to HBA context object. |
1022 | * @ndlp: Targets nodelist pointer for this exchange. | |
1023 | * @xritag the xri in the bitmap to test. | |
1024 | * | |
e2a8be56 JS |
1025 | * This function returns: |
1026 | * 0 = rrq not active for this xri | |
1027 | * 1 = rrq is valid for this xri. | |
19ca7609 | 1028 | **/ |
1151e3ec JS |
1029 | int |
1030 | lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
19ca7609 JS |
1031 | uint16_t xritag) |
1032 | { | |
19ca7609 JS |
1033 | if (!ndlp) |
1034 | return 0; | |
cff261f6 JS |
1035 | if (!ndlp->active_rrqs_xri_bitmap) |
1036 | return 0; | |
1037 | if (test_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
258f84fa | 1038 | return 1; |
19ca7609 JS |
1039 | else |
1040 | return 0; | |
1041 | } | |
1042 | ||
1043 | /** | |
1044 | * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap. | |
1045 | * @phba: Pointer to HBA context object. | |
1046 | * @ndlp: nodelist pointer for this target. | |
1047 | * @xritag: xri used in this exchange. | |
1048 | * @rxid: Remote Exchange ID. | |
1049 | * @send_rrq: Flag used to determine if we should send rrq els cmd. | |
1050 | * | |
1051 | * This function takes the hbalock. | |
1052 | * The active bit is always set in the active rrq xri_bitmap even | |
1053 | * if there is no slot avaiable for the other rrq information. | |
1054 | * | |
1055 | * returns 0 rrq actived for this xri | |
1056 | * < 0 No memory or invalid ndlp. | |
1057 | **/ | |
1058 | int | |
1059 | lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
b42c07c8 | 1060 | uint16_t xritag, uint16_t rxid, uint16_t send_rrq) |
19ca7609 | 1061 | { |
19ca7609 | 1062 | unsigned long iflags; |
b42c07c8 JS |
1063 | struct lpfc_node_rrq *rrq; |
1064 | int empty; | |
1065 | ||
1066 | if (!ndlp) | |
1067 | return -EINVAL; | |
1068 | ||
1069 | if (!phba->cfg_enable_rrq) | |
1070 | return -EINVAL; | |
19ca7609 JS |
1071 | |
1072 | spin_lock_irqsave(&phba->hbalock, iflags); | |
b42c07c8 JS |
1073 | if (phba->pport->load_flag & FC_UNLOADING) { |
1074 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
1075 | goto out; | |
1076 | } | |
1077 | ||
1078 | /* | |
1079 | * set the active bit even if there is no mem available. | |
1080 | */ | |
1081 | if (NLP_CHK_FREE_REQ(ndlp)) | |
1082 | goto out; | |
1083 | ||
1084 | if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) | |
1085 | goto out; | |
1086 | ||
cff261f6 JS |
1087 | if (!ndlp->active_rrqs_xri_bitmap) |
1088 | goto out; | |
1089 | ||
1090 | if (test_and_set_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
b42c07c8 JS |
1091 | goto out; |
1092 | ||
19ca7609 | 1093 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
b42c07c8 JS |
1094 | rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); |
1095 | if (!rrq) { | |
1096 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
1097 | "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" | |
1098 | " DID:0x%x Send:%d\n", | |
1099 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
1100 | return -EINVAL; | |
1101 | } | |
e5771b4d JS |
1102 | if (phba->cfg_enable_rrq == 1) |
1103 | rrq->send_rrq = send_rrq; | |
1104 | else | |
1105 | rrq->send_rrq = 0; | |
b42c07c8 | 1106 | rrq->xritag = xritag; |
256ec0d0 JS |
1107 | rrq->rrq_stop_time = jiffies + |
1108 | msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); | |
b42c07c8 JS |
1109 | rrq->ndlp = ndlp; |
1110 | rrq->nlp_DID = ndlp->nlp_DID; | |
1111 | rrq->vport = ndlp->vport; | |
1112 | rrq->rxid = rxid; | |
b42c07c8 JS |
1113 | spin_lock_irqsave(&phba->hbalock, iflags); |
1114 | empty = list_empty(&phba->active_rrq_list); | |
1115 | list_add_tail(&rrq->list, &phba->active_rrq_list); | |
1116 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
1117 | if (empty) | |
1118 | lpfc_worker_wake_up(phba); | |
1119 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1120 | return 0; | |
1121 | out: | |
1122 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1123 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
1124 | "2921 Can't set rrq active xri:0x%x rxid:0x%x" | |
1125 | " DID:0x%x Send:%d\n", | |
1126 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
1127 | return -EINVAL; | |
19ca7609 JS |
1128 | } |
1129 | ||
da0436e9 | 1130 | /** |
895427bd | 1131 | * __lpfc_sli_get_els_sglq - Allocates an iocb object from sgl pool |
da0436e9 | 1132 | * @phba: Pointer to HBA context object. |
19ca7609 | 1133 | * @piocb: Pointer to the iocbq. |
da0436e9 | 1134 | * |
e2a8be56 JS |
1135 | * The driver calls this function with either the nvme ls ring lock |
1136 | * or the fc els ring lock held depending on the iocb usage. This function | |
1137 | * gets a new driver sglq object from the sglq list. If the list is not empty | |
1138 | * then it is successful, it returns pointer to the newly allocated sglq | |
1139 | * object else it returns NULL. | |
da0436e9 JS |
1140 | **/ |
1141 | static struct lpfc_sglq * | |
895427bd | 1142 | __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) |
da0436e9 | 1143 | { |
895427bd | 1144 | struct list_head *lpfc_els_sgl_list = &phba->sli4_hba.lpfc_els_sgl_list; |
da0436e9 | 1145 | struct lpfc_sglq *sglq = NULL; |
19ca7609 | 1146 | struct lpfc_sglq *start_sglq = NULL; |
c490850a | 1147 | struct lpfc_io_buf *lpfc_cmd; |
19ca7609 | 1148 | struct lpfc_nodelist *ndlp; |
e2a8be56 | 1149 | struct lpfc_sli_ring *pring = NULL; |
19ca7609 JS |
1150 | int found = 0; |
1151 | ||
e2a8be56 JS |
1152 | if (piocbq->iocb_flag & LPFC_IO_NVME_LS) |
1153 | pring = phba->sli4_hba.nvmels_wq->pring; | |
1154 | else | |
1155 | pring = lpfc_phba_elsring(phba); | |
1156 | ||
1157 | lockdep_assert_held(&pring->ring_lock); | |
1c2ba475 | 1158 | |
19ca7609 | 1159 | if (piocbq->iocb_flag & LPFC_IO_FCP) { |
c490850a | 1160 | lpfc_cmd = (struct lpfc_io_buf *) piocbq->context1; |
19ca7609 | 1161 | ndlp = lpfc_cmd->rdata->pnode; |
be858b65 | 1162 | } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && |
6c7cf486 | 1163 | !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) { |
19ca7609 | 1164 | ndlp = piocbq->context_un.ndlp; |
6c7cf486 JS |
1165 | } else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) { |
1166 | if (piocbq->iocb_flag & LPFC_IO_LOOPBACK) | |
1167 | ndlp = NULL; | |
1168 | else | |
1169 | ndlp = piocbq->context_un.ndlp; | |
1170 | } else { | |
19ca7609 | 1171 | ndlp = piocbq->context1; |
6c7cf486 | 1172 | } |
19ca7609 | 1173 | |
895427bd JS |
1174 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
1175 | list_remove_head(lpfc_els_sgl_list, sglq, struct lpfc_sglq, list); | |
19ca7609 JS |
1176 | start_sglq = sglq; |
1177 | while (!found) { | |
1178 | if (!sglq) | |
d11f54b7 | 1179 | break; |
895427bd JS |
1180 | if (ndlp && ndlp->active_rrqs_xri_bitmap && |
1181 | test_bit(sglq->sli4_lxritag, | |
1182 | ndlp->active_rrqs_xri_bitmap)) { | |
19ca7609 JS |
1183 | /* This xri has an rrq outstanding for this DID. |
1184 | * put it back in the list and get another xri. | |
1185 | */ | |
895427bd | 1186 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 | 1187 | sglq = NULL; |
895427bd | 1188 | list_remove_head(lpfc_els_sgl_list, sglq, |
19ca7609 JS |
1189 | struct lpfc_sglq, list); |
1190 | if (sglq == start_sglq) { | |
14041bd1 | 1191 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 JS |
1192 | sglq = NULL; |
1193 | break; | |
1194 | } else | |
1195 | continue; | |
1196 | } | |
1197 | sglq->ndlp = ndlp; | |
1198 | found = 1; | |
6d368e53 | 1199 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; |
19ca7609 JS |
1200 | sglq->state = SGL_ALLOCATED; |
1201 | } | |
895427bd | 1202 | spin_unlock(&phba->sli4_hba.sgl_list_lock); |
da0436e9 JS |
1203 | return sglq; |
1204 | } | |
1205 | ||
f358dd0c JS |
1206 | /** |
1207 | * __lpfc_sli_get_nvmet_sglq - Allocates an iocb object from sgl pool | |
1208 | * @phba: Pointer to HBA context object. | |
1209 | * @piocb: Pointer to the iocbq. | |
1210 | * | |
1211 | * This function is called with the sgl_list lock held. This function | |
1212 | * gets a new driver sglq object from the sglq list. If the | |
1213 | * list is not empty then it is successful, it returns pointer to the newly | |
1214 | * allocated sglq object else it returns NULL. | |
1215 | **/ | |
1216 | struct lpfc_sglq * | |
1217 | __lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) | |
1218 | { | |
1219 | struct list_head *lpfc_nvmet_sgl_list; | |
1220 | struct lpfc_sglq *sglq = NULL; | |
1221 | ||
1222 | lpfc_nvmet_sgl_list = &phba->sli4_hba.lpfc_nvmet_sgl_list; | |
1223 | ||
1224 | lockdep_assert_held(&phba->sli4_hba.sgl_list_lock); | |
1225 | ||
1226 | list_remove_head(lpfc_nvmet_sgl_list, sglq, struct lpfc_sglq, list); | |
1227 | if (!sglq) | |
1228 | return NULL; | |
1229 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; | |
1230 | sglq->state = SGL_ALLOCATED; | |
da0436e9 JS |
1231 | return sglq; |
1232 | } | |
1233 | ||
e59058c4 | 1234 | /** |
3621a710 | 1235 | * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
1236 | * @phba: Pointer to HBA context object. |
1237 | * | |
1238 | * This function is called with no lock held. This function | |
1239 | * allocates a new driver iocb object from the iocb pool. If the | |
1240 | * allocation is successful, it returns pointer to the newly | |
1241 | * allocated iocb object else it returns NULL. | |
1242 | **/ | |
2e0fef85 JS |
1243 | struct lpfc_iocbq * |
1244 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
1245 | { | |
1246 | struct lpfc_iocbq * iocbq = NULL; | |
1247 | unsigned long iflags; | |
1248 | ||
1249 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1250 | iocbq = __lpfc_sli_get_iocbq(phba); | |
1251 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1252 | return iocbq; | |
1253 | } | |
1254 | ||
4f774513 JS |
1255 | /** |
1256 | * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool | |
1257 | * @phba: Pointer to HBA context object. | |
1258 | * @iocbq: Pointer to driver iocb object. | |
1259 | * | |
1260 | * This function is called with hbalock held to release driver | |
1261 | * iocb object to the iocb pool. The iotag in the iocb object | |
1262 | * does not change for each use of the iocb object. This function | |
1263 | * clears all other fields of the iocb object when it is freed. | |
1264 | * The sqlq structure that holds the xritag and phys and virtual | |
1265 | * mappings for the scatter gather list is retrieved from the | |
1266 | * active array of sglq. The get of the sglq pointer also clears | |
1267 | * the entry in the array. If the status of the IO indiactes that | |
1268 | * this IO was aborted then the sglq entry it put on the | |
1269 | * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the | |
1270 | * IO has good status or fails for any other reason then the sglq | |
895427bd | 1271 | * entry is added to the free list (lpfc_els_sgl_list). |
4f774513 JS |
1272 | **/ |
1273 | static void | |
1274 | __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1275 | { | |
1276 | struct lpfc_sglq *sglq; | |
1277 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); | |
2a9bf3d0 | 1278 | unsigned long iflag = 0; |
895427bd | 1279 | struct lpfc_sli_ring *pring; |
4f774513 | 1280 | |
1c2ba475 JT |
1281 | lockdep_assert_held(&phba->hbalock); |
1282 | ||
4f774513 JS |
1283 | if (iocbq->sli4_xritag == NO_XRI) |
1284 | sglq = NULL; | |
1285 | else | |
6d368e53 JS |
1286 | sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag); |
1287 | ||
0e9bb8d7 | 1288 | |
4f774513 | 1289 | if (sglq) { |
f358dd0c JS |
1290 | if (iocbq->iocb_flag & LPFC_IO_NVMET) { |
1291 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, | |
1292 | iflag); | |
1293 | sglq->state = SGL_FREED; | |
1294 | sglq->ndlp = NULL; | |
1295 | list_add_tail(&sglq->list, | |
1296 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
1297 | spin_unlock_irqrestore( | |
1298 | &phba->sli4_hba.sgl_list_lock, iflag); | |
1299 | goto out; | |
1300 | } | |
1301 | ||
895427bd | 1302 | pring = phba->sli4_hba.els_wq->pring; |
0f65ff68 JS |
1303 | if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) && |
1304 | (sglq->state != SGL_XRI_ABORTED)) { | |
895427bd JS |
1305 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1306 | iflag); | |
4f774513 | 1307 | list_add(&sglq->list, |
895427bd | 1308 | &phba->sli4_hba.lpfc_abts_els_sgl_list); |
4f774513 | 1309 | spin_unlock_irqrestore( |
895427bd | 1310 | &phba->sli4_hba.sgl_list_lock, iflag); |
0f65ff68 | 1311 | } else { |
895427bd JS |
1312 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1313 | iflag); | |
0f65ff68 | 1314 | sglq->state = SGL_FREED; |
19ca7609 | 1315 | sglq->ndlp = NULL; |
fedd3b7b | 1316 | list_add_tail(&sglq->list, |
895427bd JS |
1317 | &phba->sli4_hba.lpfc_els_sgl_list); |
1318 | spin_unlock_irqrestore( | |
1319 | &phba->sli4_hba.sgl_list_lock, iflag); | |
2a9bf3d0 JS |
1320 | |
1321 | /* Check if TXQ queue needs to be serviced */ | |
0e9bb8d7 | 1322 | if (!list_empty(&pring->txq)) |
2a9bf3d0 | 1323 | lpfc_worker_wake_up(phba); |
0f65ff68 | 1324 | } |
4f774513 JS |
1325 | } |
1326 | ||
f358dd0c | 1327 | out: |
4f774513 JS |
1328 | /* |
1329 | * Clean all volatile data fields, preserve iotag and node struct. | |
1330 | */ | |
1331 | memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
6d368e53 | 1332 | iocbq->sli4_lxritag = NO_XRI; |
4f774513 | 1333 | iocbq->sli4_xritag = NO_XRI; |
f358dd0c JS |
1334 | iocbq->iocb_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | |
1335 | LPFC_IO_NVME_LS); | |
4f774513 JS |
1336 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1337 | } | |
1338 | ||
2a9bf3d0 | 1339 | |
e59058c4 | 1340 | /** |
3772a991 | 1341 | * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool |
e59058c4 JS |
1342 | * @phba: Pointer to HBA context object. |
1343 | * @iocbq: Pointer to driver iocb object. | |
1344 | * | |
1345 | * This function is called with hbalock held to release driver | |
1346 | * iocb object to the iocb pool. The iotag in the iocb object | |
1347 | * does not change for each use of the iocb object. This function | |
1348 | * clears all other fields of the iocb object when it is freed. | |
1349 | **/ | |
a6ababd2 | 1350 | static void |
3772a991 | 1351 | __lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 1352 | { |
2e0fef85 | 1353 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 | 1354 | |
1c2ba475 | 1355 | lockdep_assert_held(&phba->hbalock); |
0e9bb8d7 | 1356 | |
604a3e30 JB |
1357 | /* |
1358 | * Clean all volatile data fields, preserve iotag and node struct. | |
1359 | */ | |
1360 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
3772a991 | 1361 | iocbq->sli4_xritag = NO_XRI; |
604a3e30 JB |
1362 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1363 | } | |
1364 | ||
3772a991 JS |
1365 | /** |
1366 | * __lpfc_sli_release_iocbq - Release iocb to the iocb pool | |
1367 | * @phba: Pointer to HBA context object. | |
1368 | * @iocbq: Pointer to driver iocb object. | |
1369 | * | |
1370 | * This function is called with hbalock held to release driver | |
1371 | * iocb object to the iocb pool. The iotag in the iocb object | |
1372 | * does not change for each use of the iocb object. This function | |
1373 | * clears all other fields of the iocb object when it is freed. | |
1374 | **/ | |
1375 | static void | |
1376 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1377 | { | |
1c2ba475 JT |
1378 | lockdep_assert_held(&phba->hbalock); |
1379 | ||
3772a991 | 1380 | phba->__lpfc_sli_release_iocbq(phba, iocbq); |
2a9bf3d0 | 1381 | phba->iocb_cnt--; |
3772a991 JS |
1382 | } |
1383 | ||
e59058c4 | 1384 | /** |
3621a710 | 1385 | * lpfc_sli_release_iocbq - Release iocb to the iocb pool |
e59058c4 JS |
1386 | * @phba: Pointer to HBA context object. |
1387 | * @iocbq: Pointer to driver iocb object. | |
1388 | * | |
1389 | * This function is called with no lock held to release the iocb to | |
1390 | * iocb pool. | |
1391 | **/ | |
2e0fef85 JS |
1392 | void |
1393 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1394 | { | |
1395 | unsigned long iflags; | |
1396 | ||
1397 | /* | |
1398 | * Clean all volatile data fields, preserve iotag and node struct. | |
1399 | */ | |
1400 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1401 | __lpfc_sli_release_iocbq(phba, iocbq); | |
1402 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1403 | } | |
1404 | ||
a257bf90 JS |
1405 | /** |
1406 | * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. | |
1407 | * @phba: Pointer to HBA context object. | |
1408 | * @iocblist: List of IOCBs. | |
1409 | * @ulpstatus: ULP status in IOCB command field. | |
1410 | * @ulpWord4: ULP word-4 in IOCB command field. | |
1411 | * | |
1412 | * This function is called with a list of IOCBs to cancel. It cancels the IOCB | |
1413 | * on the list by invoking the complete callback function associated with the | |
1414 | * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond | |
1415 | * fields. | |
1416 | **/ | |
1417 | void | |
1418 | lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, | |
1419 | uint32_t ulpstatus, uint32_t ulpWord4) | |
1420 | { | |
1421 | struct lpfc_iocbq *piocb; | |
1422 | ||
1423 | while (!list_empty(iocblist)) { | |
1424 | list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); | |
84f2ddf8 JS |
1425 | if (!piocb->iocb_cmpl) { |
1426 | if (piocb->iocb_flag & LPFC_IO_NVME) | |
1427 | lpfc_nvme_cancel_iocb(phba, piocb); | |
1428 | else | |
1429 | lpfc_sli_release_iocbq(phba, piocb); | |
1430 | } else { | |
a257bf90 JS |
1431 | piocb->iocb.ulpStatus = ulpstatus; |
1432 | piocb->iocb.un.ulpWord[4] = ulpWord4; | |
1433 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
1434 | } | |
1435 | } | |
1436 | return; | |
1437 | } | |
1438 | ||
e59058c4 | 1439 | /** |
3621a710 JS |
1440 | * lpfc_sli_iocb_cmd_type - Get the iocb type |
1441 | * @iocb_cmnd: iocb command code. | |
e59058c4 JS |
1442 | * |
1443 | * This function is called by ring event handler function to get the iocb type. | |
1444 | * This function translates the iocb command to an iocb command type used to | |
1445 | * decide the final disposition of each completed IOCB. | |
1446 | * The function returns | |
1447 | * LPFC_UNKNOWN_IOCB if it is an unsupported iocb | |
1448 | * LPFC_SOL_IOCB if it is a solicited iocb completion | |
1449 | * LPFC_ABORT_IOCB if it is an abort iocb | |
1450 | * LPFC_UNSOL_IOCB if it is an unsolicited iocb | |
1451 | * | |
1452 | * The caller is not required to hold any lock. | |
1453 | **/ | |
dea3101e JB |
1454 | static lpfc_iocb_type |
1455 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
1456 | { | |
1457 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
1458 | ||
1459 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
1460 | return 0; | |
1461 | ||
1462 | switch (iocb_cmnd) { | |
1463 | case CMD_XMIT_SEQUENCE_CR: | |
1464 | case CMD_XMIT_SEQUENCE_CX: | |
1465 | case CMD_XMIT_BCAST_CN: | |
1466 | case CMD_XMIT_BCAST_CX: | |
1467 | case CMD_ELS_REQUEST_CR: | |
1468 | case CMD_ELS_REQUEST_CX: | |
1469 | case CMD_CREATE_XRI_CR: | |
1470 | case CMD_CREATE_XRI_CX: | |
1471 | case CMD_GET_RPI_CN: | |
1472 | case CMD_XMIT_ELS_RSP_CX: | |
1473 | case CMD_GET_RPI_CR: | |
1474 | case CMD_FCP_IWRITE_CR: | |
1475 | case CMD_FCP_IWRITE_CX: | |
1476 | case CMD_FCP_IREAD_CR: | |
1477 | case CMD_FCP_IREAD_CX: | |
1478 | case CMD_FCP_ICMND_CR: | |
1479 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
1480 | case CMD_FCP_TSEND_CX: |
1481 | case CMD_FCP_TRSP_CX: | |
1482 | case CMD_FCP_TRECEIVE_CX: | |
1483 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e JB |
1484 | case CMD_ADAPTER_MSG: |
1485 | case CMD_ADAPTER_DUMP: | |
1486 | case CMD_XMIT_SEQUENCE64_CR: | |
1487 | case CMD_XMIT_SEQUENCE64_CX: | |
1488 | case CMD_XMIT_BCAST64_CN: | |
1489 | case CMD_XMIT_BCAST64_CX: | |
1490 | case CMD_ELS_REQUEST64_CR: | |
1491 | case CMD_ELS_REQUEST64_CX: | |
1492 | case CMD_FCP_IWRITE64_CR: | |
1493 | case CMD_FCP_IWRITE64_CX: | |
1494 | case CMD_FCP_IREAD64_CR: | |
1495 | case CMD_FCP_IREAD64_CX: | |
1496 | case CMD_FCP_ICMND64_CR: | |
1497 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
1498 | case CMD_FCP_TSEND64_CX: |
1499 | case CMD_FCP_TRSP64_CX: | |
1500 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e JB |
1501 | case CMD_GEN_REQUEST64_CR: |
1502 | case CMD_GEN_REQUEST64_CX: | |
1503 | case CMD_XMIT_ELS_RSP64_CX: | |
da0436e9 JS |
1504 | case DSSCMD_IWRITE64_CR: |
1505 | case DSSCMD_IWRITE64_CX: | |
1506 | case DSSCMD_IREAD64_CR: | |
1507 | case DSSCMD_IREAD64_CX: | |
dea3101e JB |
1508 | type = LPFC_SOL_IOCB; |
1509 | break; | |
1510 | case CMD_ABORT_XRI_CN: | |
1511 | case CMD_ABORT_XRI_CX: | |
1512 | case CMD_CLOSE_XRI_CN: | |
1513 | case CMD_CLOSE_XRI_CX: | |
1514 | case CMD_XRI_ABORTED_CX: | |
1515 | case CMD_ABORT_MXRI64_CN: | |
6669f9bb | 1516 | case CMD_XMIT_BLS_RSP64_CX: |
dea3101e JB |
1517 | type = LPFC_ABORT_IOCB; |
1518 | break; | |
1519 | case CMD_RCV_SEQUENCE_CX: | |
1520 | case CMD_RCV_ELS_REQ_CX: | |
1521 | case CMD_RCV_SEQUENCE64_CX: | |
1522 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 1523 | case CMD_ASYNC_STATUS: |
ed957684 JS |
1524 | case CMD_IOCB_RCV_SEQ64_CX: |
1525 | case CMD_IOCB_RCV_ELS64_CX: | |
1526 | case CMD_IOCB_RCV_CONT64_CX: | |
3163f725 | 1527 | case CMD_IOCB_RET_XRI64_CX: |
dea3101e JB |
1528 | type = LPFC_UNSOL_IOCB; |
1529 | break; | |
3163f725 JS |
1530 | case CMD_IOCB_XMIT_MSEQ64_CR: |
1531 | case CMD_IOCB_XMIT_MSEQ64_CX: | |
1532 | case CMD_IOCB_RCV_SEQ_LIST64_CX: | |
1533 | case CMD_IOCB_RCV_ELS_LIST64_CX: | |
1534 | case CMD_IOCB_CLOSE_EXTENDED_CN: | |
1535 | case CMD_IOCB_ABORT_EXTENDED_CN: | |
1536 | case CMD_IOCB_RET_HBQE64_CN: | |
1537 | case CMD_IOCB_FCP_IBIDIR64_CR: | |
1538 | case CMD_IOCB_FCP_IBIDIR64_CX: | |
1539 | case CMD_IOCB_FCP_ITASKMGT64_CX: | |
1540 | case CMD_IOCB_LOGENTRY_CN: | |
1541 | case CMD_IOCB_LOGENTRY_ASYNC_CN: | |
1542 | printk("%s - Unhandled SLI-3 Command x%x\n", | |
cadbd4a5 | 1543 | __func__, iocb_cmnd); |
3163f725 JS |
1544 | type = LPFC_UNKNOWN_IOCB; |
1545 | break; | |
dea3101e JB |
1546 | default: |
1547 | type = LPFC_UNKNOWN_IOCB; | |
1548 | break; | |
1549 | } | |
1550 | ||
1551 | return type; | |
1552 | } | |
1553 | ||
e59058c4 | 1554 | /** |
3621a710 | 1555 | * lpfc_sli_ring_map - Issue config_ring mbox for all rings |
e59058c4 JS |
1556 | * @phba: Pointer to HBA context object. |
1557 | * | |
1558 | * This function is called from SLI initialization code | |
1559 | * to configure every ring of the HBA's SLI interface. The | |
1560 | * caller is not required to hold any lock. This function issues | |
1561 | * a config_ring mailbox command for each ring. | |
1562 | * This function returns zero if successful else returns a negative | |
1563 | * error code. | |
1564 | **/ | |
dea3101e | 1565 | static int |
ed957684 | 1566 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e JB |
1567 | { |
1568 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
1569 | LPFC_MBOXQ_t *pmb; |
1570 | MAILBOX_t *pmbox; | |
1571 | int i, rc, ret = 0; | |
dea3101e | 1572 | |
ed957684 JS |
1573 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1574 | if (!pmb) | |
1575 | return -ENOMEM; | |
04c68496 | 1576 | pmbox = &pmb->u.mb; |
ed957684 | 1577 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 1578 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e JB |
1579 | lpfc_config_ring(phba, i, pmb); |
1580 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
1581 | if (rc != MBX_SUCCESS) { | |
92d7f7b0 | 1582 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 1583 | "0446 Adapter failed to init (%d), " |
dea3101e JB |
1584 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
1585 | "ring %d\n", | |
e8b62011 JS |
1586 | rc, pmbox->mbxCommand, |
1587 | pmbox->mbxStatus, i); | |
2e0fef85 | 1588 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
1589 | ret = -ENXIO; |
1590 | break; | |
dea3101e JB |
1591 | } |
1592 | } | |
ed957684 JS |
1593 | mempool_free(pmb, phba->mbox_mem_pool); |
1594 | return ret; | |
dea3101e JB |
1595 | } |
1596 | ||
e59058c4 | 1597 | /** |
3621a710 | 1598 | * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq |
e59058c4 JS |
1599 | * @phba: Pointer to HBA context object. |
1600 | * @pring: Pointer to driver SLI ring object. | |
1601 | * @piocb: Pointer to the driver iocb object. | |
1602 | * | |
e2a8be56 JS |
1603 | * The driver calls this function with the hbalock held for SLI3 ports or |
1604 | * the ring lock held for SLI4 ports. The function adds the | |
e59058c4 JS |
1605 | * new iocb to txcmplq of the given ring. This function always returns |
1606 | * 0. If this function is called for ELS ring, this function checks if | |
1607 | * there is a vport associated with the ELS command. This function also | |
1608 | * starts els_tmofunc timer if this is an ELS command. | |
1609 | **/ | |
dea3101e | 1610 | static int |
2e0fef85 JS |
1611 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
1612 | struct lpfc_iocbq *piocb) | |
dea3101e | 1613 | { |
e2a8be56 JS |
1614 | if (phba->sli_rev == LPFC_SLI_REV4) |
1615 | lockdep_assert_held(&pring->ring_lock); | |
1616 | else | |
1617 | lockdep_assert_held(&phba->hbalock); | |
1c2ba475 | 1618 | |
2319f847 | 1619 | BUG_ON(!piocb); |
22466da5 | 1620 | |
dea3101e | 1621 | list_add_tail(&piocb->list, &pring->txcmplq); |
4f2e66c6 | 1622 | piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ; |
c490850a | 1623 | pring->txcmplq_cnt++; |
2a9bf3d0 | 1624 | |
92d7f7b0 JS |
1625 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
1626 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
2319f847 MFO |
1627 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { |
1628 | BUG_ON(!piocb->vport); | |
1629 | if (!(piocb->vport->load_flag & FC_UNLOADING)) | |
1630 | mod_timer(&piocb->vport->els_tmofunc, | |
1631 | jiffies + | |
1632 | msecs_to_jiffies(1000 * (phba->fc_ratov << 1))); | |
1633 | } | |
dea3101e | 1634 | |
2e0fef85 | 1635 | return 0; |
dea3101e JB |
1636 | } |
1637 | ||
e59058c4 | 1638 | /** |
3621a710 | 1639 | * lpfc_sli_ringtx_get - Get first element of the txq |
e59058c4 JS |
1640 | * @phba: Pointer to HBA context object. |
1641 | * @pring: Pointer to driver SLI ring object. | |
1642 | * | |
1643 | * This function is called with hbalock held to get next | |
1644 | * iocb in txq of the given ring. If there is any iocb in | |
1645 | * the txq, the function returns first iocb in the list after | |
1646 | * removing the iocb from the list, else it returns NULL. | |
1647 | **/ | |
2a9bf3d0 | 1648 | struct lpfc_iocbq * |
2e0fef85 | 1649 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1650 | { |
dea3101e JB |
1651 | struct lpfc_iocbq *cmd_iocb; |
1652 | ||
1c2ba475 JT |
1653 | lockdep_assert_held(&phba->hbalock); |
1654 | ||
858c9f6c | 1655 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
2e0fef85 | 1656 | return cmd_iocb; |
dea3101e JB |
1657 | } |
1658 | ||
e59058c4 | 1659 | /** |
3621a710 | 1660 | * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring |
e59058c4 JS |
1661 | * @phba: Pointer to HBA context object. |
1662 | * @pring: Pointer to driver SLI ring object. | |
1663 | * | |
1664 | * This function is called with hbalock held and the caller must post the | |
1665 | * iocb without releasing the lock. If the caller releases the lock, | |
1666 | * iocb slot returned by the function is not guaranteed to be available. | |
1667 | * The function returns pointer to the next available iocb slot if there | |
1668 | * is available slot in the ring, else it returns NULL. | |
1669 | * If the get index of the ring is ahead of the put index, the function | |
1670 | * will post an error attention event to the worker thread to take the | |
1671 | * HBA to offline state. | |
1672 | **/ | |
dea3101e JB |
1673 | static IOCB_t * |
1674 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
1675 | { | |
34b02dcd | 1676 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
7e56aa25 | 1677 | uint32_t max_cmd_idx = pring->sli.sli3.numCiocb; |
1c2ba475 JT |
1678 | |
1679 | lockdep_assert_held(&phba->hbalock); | |
1680 | ||
7e56aa25 JS |
1681 | if ((pring->sli.sli3.next_cmdidx == pring->sli.sli3.cmdidx) && |
1682 | (++pring->sli.sli3.next_cmdidx >= max_cmd_idx)) | |
1683 | pring->sli.sli3.next_cmdidx = 0; | |
dea3101e | 1684 | |
7e56aa25 JS |
1685 | if (unlikely(pring->sli.sli3.local_getidx == |
1686 | pring->sli.sli3.next_cmdidx)) { | |
dea3101e | 1687 | |
7e56aa25 | 1688 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e | 1689 | |
7e56aa25 | 1690 | if (unlikely(pring->sli.sli3.local_getidx >= max_cmd_idx)) { |
dea3101e | 1691 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1692 | "0315 Ring %d issue: portCmdGet %d " |
025dfdaf | 1693 | "is bigger than cmd ring %d\n", |
e8b62011 | 1694 | pring->ringno, |
7e56aa25 JS |
1695 | pring->sli.sli3.local_getidx, |
1696 | max_cmd_idx); | |
dea3101e | 1697 | |
2e0fef85 | 1698 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
1699 | /* |
1700 | * All error attention handlers are posted to | |
1701 | * worker thread | |
1702 | */ | |
1703 | phba->work_ha |= HA_ERATT; | |
1704 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 1705 | |
5e9d9b82 | 1706 | lpfc_worker_wake_up(phba); |
dea3101e JB |
1707 | |
1708 | return NULL; | |
1709 | } | |
1710 | ||
7e56aa25 | 1711 | if (pring->sli.sli3.local_getidx == pring->sli.sli3.next_cmdidx) |
dea3101e JB |
1712 | return NULL; |
1713 | } | |
1714 | ||
ed957684 | 1715 | return lpfc_cmd_iocb(phba, pring); |
dea3101e JB |
1716 | } |
1717 | ||
e59058c4 | 1718 | /** |
3621a710 | 1719 | * lpfc_sli_next_iotag - Get an iotag for the iocb |
e59058c4 JS |
1720 | * @phba: Pointer to HBA context object. |
1721 | * @iocbq: Pointer to driver iocb object. | |
1722 | * | |
1723 | * This function gets an iotag for the iocb. If there is no unused iotag and | |
1724 | * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup | |
1725 | * array and assigns a new iotag. | |
1726 | * The function returns the allocated iotag if successful, else returns zero. | |
1727 | * Zero is not a valid iotag. | |
1728 | * The caller is not required to hold any lock. | |
1729 | **/ | |
604a3e30 | 1730 | uint16_t |
2e0fef85 | 1731 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 1732 | { |
2e0fef85 JS |
1733 | struct lpfc_iocbq **new_arr; |
1734 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
1735 | size_t new_len; |
1736 | struct lpfc_sli *psli = &phba->sli; | |
1737 | uint16_t iotag; | |
dea3101e | 1738 | |
2e0fef85 | 1739 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1740 | iotag = psli->last_iotag; |
1741 | if(++iotag < psli->iocbq_lookup_len) { | |
1742 | psli->last_iotag = iotag; | |
1743 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1744 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1745 | iocbq->iotag = iotag; |
1746 | return iotag; | |
2e0fef85 | 1747 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
1748 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
1749 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 | 1750 | spin_unlock_irq(&phba->hbalock); |
6396bb22 | 1751 | new_arr = kcalloc(new_len, sizeof(struct lpfc_iocbq *), |
604a3e30 JB |
1752 | GFP_KERNEL); |
1753 | if (new_arr) { | |
2e0fef85 | 1754 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1755 | old_arr = psli->iocbq_lookup; |
1756 | if (new_len <= psli->iocbq_lookup_len) { | |
1757 | /* highly unprobable case */ | |
1758 | kfree(new_arr); | |
1759 | iotag = psli->last_iotag; | |
1760 | if(++iotag < psli->iocbq_lookup_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 | return iotag; | |
1766 | } | |
2e0fef85 | 1767 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1768 | return 0; |
1769 | } | |
1770 | if (psli->iocbq_lookup) | |
1771 | memcpy(new_arr, old_arr, | |
1772 | ((psli->last_iotag + 1) * | |
311464ec | 1773 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
1774 | psli->iocbq_lookup = new_arr; |
1775 | psli->iocbq_lookup_len = new_len; | |
1776 | psli->last_iotag = iotag; | |
1777 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1778 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1779 | iocbq->iotag = iotag; |
1780 | kfree(old_arr); | |
1781 | return iotag; | |
1782 | } | |
8f6d98d2 | 1783 | } else |
2e0fef85 | 1784 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1785 | |
bc73905a | 1786 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
1787 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
1788 | psli->last_iotag); | |
dea3101e | 1789 | |
604a3e30 | 1790 | return 0; |
dea3101e JB |
1791 | } |
1792 | ||
e59058c4 | 1793 | /** |
3621a710 | 1794 | * lpfc_sli_submit_iocb - Submit an iocb to the firmware |
e59058c4 JS |
1795 | * @phba: Pointer to HBA context object. |
1796 | * @pring: Pointer to driver SLI ring object. | |
1797 | * @iocb: Pointer to iocb slot in the ring. | |
1798 | * @nextiocb: Pointer to driver iocb object which need to be | |
1799 | * posted to firmware. | |
1800 | * | |
1801 | * This function is called with hbalock held to post a new iocb to | |
1802 | * the firmware. This function copies the new iocb to ring iocb slot and | |
1803 | * updates the ring pointers. It adds the new iocb to txcmplq if there is | |
1804 | * a completion call back for this iocb else the function will free the | |
1805 | * iocb object. | |
1806 | **/ | |
dea3101e JB |
1807 | static void |
1808 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
1809 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
1810 | { | |
1c2ba475 | 1811 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 1812 | /* |
604a3e30 | 1813 | * Set up an iotag |
dea3101e | 1814 | */ |
604a3e30 | 1815 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 1816 | |
e2a0a9d6 | 1817 | |
a58cbd52 JS |
1818 | if (pring->ringno == LPFC_ELS_RING) { |
1819 | lpfc_debugfs_slow_ring_trc(phba, | |
1820 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1821 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
1822 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
1823 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
1824 | } | |
1825 | ||
dea3101e JB |
1826 | /* |
1827 | * Issue iocb command to adapter | |
1828 | */ | |
92d7f7b0 | 1829 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e JB |
1830 | wmb(); |
1831 | pring->stats.iocb_cmd++; | |
1832 | ||
1833 | /* | |
1834 | * If there is no completion routine to call, we can release the | |
1835 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
1836 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
1837 | */ | |
1838 | if (nextiocb->iocb_cmpl) | |
1839 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 1840 | else |
2e0fef85 | 1841 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e JB |
1842 | |
1843 | /* | |
1844 | * Let the HBA know what IOCB slot will be the next one the | |
1845 | * driver will put a command into. | |
1846 | */ | |
7e56aa25 JS |
1847 | pring->sli.sli3.cmdidx = pring->sli.sli3.next_cmdidx; |
1848 | writel(pring->sli.sli3.cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); | |
dea3101e JB |
1849 | } |
1850 | ||
e59058c4 | 1851 | /** |
3621a710 | 1852 | * lpfc_sli_update_full_ring - Update the chip attention register |
e59058c4 JS |
1853 | * @phba: Pointer to HBA context object. |
1854 | * @pring: Pointer to driver SLI ring object. | |
1855 | * | |
1856 | * The caller is not required to hold any lock for calling this function. | |
1857 | * This function updates the chip attention bits for the ring to inform firmware | |
1858 | * that there are pending work to be done for this ring and requests an | |
1859 | * interrupt when there is space available in the ring. This function is | |
1860 | * called when the driver is unable to post more iocbs to the ring due | |
1861 | * to unavailability of space in the ring. | |
1862 | **/ | |
dea3101e | 1863 | static void |
2e0fef85 | 1864 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1865 | { |
1866 | int ringno = pring->ringno; | |
1867 | ||
1868 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
1869 | ||
1870 | wmb(); | |
1871 | ||
1872 | /* | |
1873 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
1874 | * The HBA will tell us when an IOCB entry is available. | |
1875 | */ | |
1876 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
1877 | readl(phba->CAregaddr); /* flush */ | |
1878 | ||
1879 | pring->stats.iocb_cmd_full++; | |
1880 | } | |
1881 | ||
e59058c4 | 1882 | /** |
3621a710 | 1883 | * lpfc_sli_update_ring - Update chip attention register |
e59058c4 JS |
1884 | * @phba: Pointer to HBA context object. |
1885 | * @pring: Pointer to driver SLI ring object. | |
1886 | * | |
1887 | * This function updates the chip attention register bit for the | |
1888 | * given ring to inform HBA that there is more work to be done | |
1889 | * in this ring. The caller is not required to hold any lock. | |
1890 | **/ | |
dea3101e | 1891 | static void |
2e0fef85 | 1892 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1893 | { |
1894 | int ringno = pring->ringno; | |
1895 | ||
1896 | /* | |
1897 | * Tell the HBA that there is work to do in this ring. | |
1898 | */ | |
34b02dcd JS |
1899 | if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) { |
1900 | wmb(); | |
1901 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
1902 | readl(phba->CAregaddr); /* flush */ | |
1903 | } | |
dea3101e JB |
1904 | } |
1905 | ||
e59058c4 | 1906 | /** |
3621a710 | 1907 | * lpfc_sli_resume_iocb - Process iocbs in the txq |
e59058c4 JS |
1908 | * @phba: Pointer to HBA context object. |
1909 | * @pring: Pointer to driver SLI ring object. | |
1910 | * | |
1911 | * This function is called with hbalock held to post pending iocbs | |
1912 | * in the txq to the firmware. This function is called when driver | |
1913 | * detects space available in the ring. | |
1914 | **/ | |
dea3101e | 1915 | static void |
2e0fef85 | 1916 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1917 | { |
1918 | IOCB_t *iocb; | |
1919 | struct lpfc_iocbq *nextiocb; | |
1920 | ||
1c2ba475 JT |
1921 | lockdep_assert_held(&phba->hbalock); |
1922 | ||
dea3101e JB |
1923 | /* |
1924 | * Check to see if: | |
1925 | * (a) there is anything on the txq to send | |
1926 | * (b) link is up | |
1927 | * (c) link attention events can be processed (fcp ring only) | |
1928 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
1929 | */ | |
0e9bb8d7 JS |
1930 | |
1931 | if (lpfc_is_link_up(phba) && | |
1932 | (!list_empty(&pring->txq)) && | |
895427bd | 1933 | (pring->ringno != LPFC_FCP_RING || |
0b727fea | 1934 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e JB |
1935 | |
1936 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
1937 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
1938 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
1939 | ||
1940 | if (iocb) | |
1941 | lpfc_sli_update_ring(phba, pring); | |
1942 | else | |
1943 | lpfc_sli_update_full_ring(phba, pring); | |
1944 | } | |
1945 | ||
1946 | return; | |
1947 | } | |
1948 | ||
e59058c4 | 1949 | /** |
3621a710 | 1950 | * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ |
e59058c4 JS |
1951 | * @phba: Pointer to HBA context object. |
1952 | * @hbqno: HBQ number. | |
1953 | * | |
1954 | * This function is called with hbalock held to get the next | |
1955 | * available slot for the given HBQ. If there is free slot | |
1956 | * available for the HBQ it will return pointer to the next available | |
1957 | * HBQ entry else it will return NULL. | |
1958 | **/ | |
a6ababd2 | 1959 | static struct lpfc_hbq_entry * |
ed957684 JS |
1960 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
1961 | { | |
1962 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1963 | ||
1c2ba475 JT |
1964 | lockdep_assert_held(&phba->hbalock); |
1965 | ||
ed957684 JS |
1966 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && |
1967 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
1968 | hbqp->next_hbqPutIdx = 0; | |
1969 | ||
1970 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 1971 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
1972 | uint32_t getidx = le32_to_cpu(raw_index); |
1973 | ||
1974 | hbqp->local_hbqGetIdx = getidx; | |
1975 | ||
1976 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
1977 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 1978 | LOG_SLI | LOG_VPORT, |
e8b62011 | 1979 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 1980 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 1981 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
1982 | hbqp->entry_count); |
1983 | ||
1984 | phba->link_state = LPFC_HBA_ERROR; | |
1985 | return NULL; | |
1986 | } | |
1987 | ||
1988 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
1989 | return NULL; | |
1990 | } | |
1991 | ||
51ef4c26 JS |
1992 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
1993 | hbqp->hbqPutIdx; | |
ed957684 JS |
1994 | } |
1995 | ||
e59058c4 | 1996 | /** |
3621a710 | 1997 | * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers |
e59058c4 JS |
1998 | * @phba: Pointer to HBA context object. |
1999 | * | |
2000 | * This function is called with no lock held to free all the | |
2001 | * hbq buffers while uninitializing the SLI interface. It also | |
2002 | * frees the HBQ buffers returned by the firmware but not yet | |
2003 | * processed by the upper layers. | |
2004 | **/ | |
ed957684 JS |
2005 | void |
2006 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
2007 | { | |
92d7f7b0 JS |
2008 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
2009 | struct hbq_dmabuf *hbq_buf; | |
3163f725 | 2010 | unsigned long flags; |
51ef4c26 | 2011 | int i, hbq_count; |
ed957684 | 2012 | |
51ef4c26 | 2013 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 2014 | /* Return all memory used by all HBQs */ |
3163f725 | 2015 | spin_lock_irqsave(&phba->hbalock, flags); |
51ef4c26 JS |
2016 | for (i = 0; i < hbq_count; ++i) { |
2017 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
2018 | &phba->hbqs[i].hbq_buffer_list, list) { | |
2019 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
2020 | list_del(&hbq_buf->dbuf.list); | |
2021 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
2022 | } | |
a8adb832 | 2023 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 2024 | } |
3163f725 JS |
2025 | |
2026 | /* Mark the HBQs not in use */ | |
2027 | phba->hbq_in_use = 0; | |
2028 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
ed957684 JS |
2029 | } |
2030 | ||
e59058c4 | 2031 | /** |
3621a710 | 2032 | * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware |
e59058c4 JS |
2033 | * @phba: Pointer to HBA context object. |
2034 | * @hbqno: HBQ number. | |
2035 | * @hbq_buf: Pointer to HBQ buffer. | |
2036 | * | |
2037 | * This function is called with the hbalock held to post a | |
2038 | * hbq buffer to the firmware. If the function finds an empty | |
2039 | * slot in the HBQ, it will post the buffer. The function will return | |
2040 | * pointer to the hbq entry if it successfully post the buffer | |
2041 | * else it will return NULL. | |
2042 | **/ | |
3772a991 | 2043 | static int |
ed957684 | 2044 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 2045 | struct hbq_dmabuf *hbq_buf) |
3772a991 | 2046 | { |
1c2ba475 | 2047 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
2048 | return phba->lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buf); |
2049 | } | |
2050 | ||
2051 | /** | |
2052 | * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware | |
2053 | * @phba: Pointer to HBA context object. | |
2054 | * @hbqno: HBQ number. | |
2055 | * @hbq_buf: Pointer to HBQ buffer. | |
2056 | * | |
2057 | * This function is called with the hbalock held to post a hbq buffer to the | |
2058 | * firmware. If the function finds an empty slot in the HBQ, it will post the | |
2059 | * buffer and place it on the hbq_buffer_list. The function will return zero if | |
2060 | * it successfully post the buffer else it will return an error. | |
2061 | **/ | |
2062 | static int | |
2063 | lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba *phba, uint32_t hbqno, | |
2064 | struct hbq_dmabuf *hbq_buf) | |
ed957684 JS |
2065 | { |
2066 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 2067 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 | 2068 | |
1c2ba475 | 2069 | lockdep_assert_held(&phba->hbalock); |
ed957684 JS |
2070 | /* Get next HBQ entry slot to use */ |
2071 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
2072 | if (hbqe) { | |
2073 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
2074 | ||
92d7f7b0 JS |
2075 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
2076 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
895427bd | 2077 | hbqe->bde.tus.f.bdeSize = hbq_buf->total_size; |
ed957684 | 2078 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
2079 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
2080 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
2081 | /* Sync SLIM */ | |
ed957684 JS |
2082 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
2083 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 2084 | /* flush */ |
ed957684 | 2085 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 2086 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
3772a991 JS |
2087 | return 0; |
2088 | } else | |
2089 | return -ENOMEM; | |
ed957684 JS |
2090 | } |
2091 | ||
4f774513 JS |
2092 | /** |
2093 | * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware | |
2094 | * @phba: Pointer to HBA context object. | |
2095 | * @hbqno: HBQ number. | |
2096 | * @hbq_buf: Pointer to HBQ buffer. | |
2097 | * | |
2098 | * This function is called with the hbalock held to post an RQE to the SLI4 | |
2099 | * firmware. If able to post the RQE to the RQ it will queue the hbq entry to | |
2100 | * the hbq_buffer_list and return zero, otherwise it will return an error. | |
2101 | **/ | |
2102 | static int | |
2103 | lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba *phba, uint32_t hbqno, | |
2104 | struct hbq_dmabuf *hbq_buf) | |
2105 | { | |
2106 | int rc; | |
2107 | struct lpfc_rqe hrqe; | |
2108 | struct lpfc_rqe drqe; | |
895427bd JS |
2109 | struct lpfc_queue *hrq; |
2110 | struct lpfc_queue *drq; | |
2111 | ||
2112 | if (hbqno != LPFC_ELS_HBQ) | |
2113 | return 1; | |
2114 | hrq = phba->sli4_hba.hdr_rq; | |
2115 | drq = phba->sli4_hba.dat_rq; | |
4f774513 | 2116 | |
1c2ba475 | 2117 | lockdep_assert_held(&phba->hbalock); |
4f774513 JS |
2118 | hrqe.address_lo = putPaddrLow(hbq_buf->hbuf.phys); |
2119 | hrqe.address_hi = putPaddrHigh(hbq_buf->hbuf.phys); | |
2120 | drqe.address_lo = putPaddrLow(hbq_buf->dbuf.phys); | |
2121 | drqe.address_hi = putPaddrHigh(hbq_buf->dbuf.phys); | |
895427bd | 2122 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); |
4f774513 JS |
2123 | if (rc < 0) |
2124 | return rc; | |
895427bd | 2125 | hbq_buf->tag = (rc | (hbqno << 16)); |
4f774513 JS |
2126 | list_add_tail(&hbq_buf->dbuf.list, &phba->hbqs[hbqno].hbq_buffer_list); |
2127 | return 0; | |
2128 | } | |
2129 | ||
e59058c4 | 2130 | /* HBQ for ELS and CT traffic. */ |
92d7f7b0 JS |
2131 | static struct lpfc_hbq_init lpfc_els_hbq = { |
2132 | .rn = 1, | |
def9c7a9 | 2133 | .entry_count = 256, |
92d7f7b0 JS |
2134 | .mask_count = 0, |
2135 | .profile = 0, | |
51ef4c26 | 2136 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 | 2137 | .buffer_count = 0, |
a257bf90 JS |
2138 | .init_count = 40, |
2139 | .add_count = 40, | |
92d7f7b0 | 2140 | }; |
ed957684 | 2141 | |
e59058c4 | 2142 | /* Array of HBQs */ |
78b2d852 | 2143 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 JS |
2144 | &lpfc_els_hbq, |
2145 | }; | |
ed957684 | 2146 | |
e59058c4 | 2147 | /** |
3621a710 | 2148 | * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ |
e59058c4 JS |
2149 | * @phba: Pointer to HBA context object. |
2150 | * @hbqno: HBQ number. | |
2151 | * @count: Number of HBQ buffers to be posted. | |
2152 | * | |
d7c255b2 JS |
2153 | * This function is called with no lock held to post more hbq buffers to the |
2154 | * given HBQ. The function returns the number of HBQ buffers successfully | |
2155 | * posted. | |
e59058c4 | 2156 | **/ |
311464ec | 2157 | static int |
92d7f7b0 | 2158 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 2159 | { |
d7c255b2 | 2160 | uint32_t i, posted = 0; |
3163f725 | 2161 | unsigned long flags; |
92d7f7b0 | 2162 | struct hbq_dmabuf *hbq_buffer; |
d7c255b2 | 2163 | LIST_HEAD(hbq_buf_list); |
eafe1df9 | 2164 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) |
51ef4c26 | 2165 | return 0; |
51ef4c26 | 2166 | |
d7c255b2 JS |
2167 | if ((phba->hbqs[hbqno].buffer_count + count) > |
2168 | lpfc_hbq_defs[hbqno]->entry_count) | |
2169 | count = lpfc_hbq_defs[hbqno]->entry_count - | |
2170 | phba->hbqs[hbqno].buffer_count; | |
2171 | if (!count) | |
2172 | return 0; | |
2173 | /* Allocate HBQ entries */ | |
2174 | for (i = 0; i < count; i++) { | |
2175 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
2176 | if (!hbq_buffer) | |
2177 | break; | |
2178 | list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list); | |
2179 | } | |
3163f725 JS |
2180 | /* Check whether HBQ is still in use */ |
2181 | spin_lock_irqsave(&phba->hbalock, flags); | |
eafe1df9 | 2182 | if (!phba->hbq_in_use) |
d7c255b2 JS |
2183 | goto err; |
2184 | while (!list_empty(&hbq_buf_list)) { | |
2185 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
2186 | dbuf.list); | |
2187 | hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count | | |
2188 | (hbqno << 16)); | |
3772a991 | 2189 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { |
a8adb832 | 2190 | phba->hbqs[hbqno].buffer_count++; |
d7c255b2 JS |
2191 | posted++; |
2192 | } else | |
51ef4c26 | 2193 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 | 2194 | } |
3163f725 | 2195 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
2196 | return posted; |
2197 | err: | |
eafe1df9 | 2198 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
2199 | while (!list_empty(&hbq_buf_list)) { |
2200 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
2201 | dbuf.list); | |
2202 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
2203 | } | |
2204 | return 0; | |
ed957684 JS |
2205 | } |
2206 | ||
e59058c4 | 2207 | /** |
3621a710 | 2208 | * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware |
e59058c4 JS |
2209 | * @phba: Pointer to HBA context object. |
2210 | * @qno: HBQ number. | |
2211 | * | |
2212 | * This function posts more buffers to the HBQ. This function | |
d7c255b2 JS |
2213 | * is called with no lock held. The function returns the number of HBQ entries |
2214 | * successfully allocated. | |
e59058c4 | 2215 | **/ |
92d7f7b0 JS |
2216 | int |
2217 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 2218 | { |
def9c7a9 JS |
2219 | if (phba->sli_rev == LPFC_SLI_REV4) |
2220 | return 0; | |
2221 | else | |
2222 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2223 | lpfc_hbq_defs[qno]->add_count); | |
92d7f7b0 | 2224 | } |
ed957684 | 2225 | |
e59058c4 | 2226 | /** |
3621a710 | 2227 | * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ |
e59058c4 JS |
2228 | * @phba: Pointer to HBA context object. |
2229 | * @qno: HBQ queue number. | |
2230 | * | |
2231 | * This function is called from SLI initialization code path with | |
2232 | * no lock held to post initial HBQ buffers to firmware. The | |
d7c255b2 | 2233 | * function returns the number of HBQ entries successfully allocated. |
e59058c4 | 2234 | **/ |
a6ababd2 | 2235 | static int |
92d7f7b0 JS |
2236 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
2237 | { | |
def9c7a9 JS |
2238 | if (phba->sli_rev == LPFC_SLI_REV4) |
2239 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
73d91e50 | 2240 | lpfc_hbq_defs[qno]->entry_count); |
def9c7a9 JS |
2241 | else |
2242 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2243 | lpfc_hbq_defs[qno]->init_count); | |
ed957684 JS |
2244 | } |
2245 | ||
3772a991 JS |
2246 | /** |
2247 | * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list | |
2248 | * @phba: Pointer to HBA context object. | |
2249 | * @hbqno: HBQ number. | |
2250 | * | |
2251 | * This function removes the first hbq buffer on an hbq list and returns a | |
2252 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2253 | **/ | |
2254 | static struct hbq_dmabuf * | |
2255 | lpfc_sli_hbqbuf_get(struct list_head *rb_list) | |
2256 | { | |
2257 | struct lpfc_dmabuf *d_buf; | |
2258 | ||
2259 | list_remove_head(rb_list, d_buf, struct lpfc_dmabuf, list); | |
2260 | if (!d_buf) | |
2261 | return NULL; | |
2262 | return container_of(d_buf, struct hbq_dmabuf, dbuf); | |
2263 | } | |
2264 | ||
2d7dbc4c JS |
2265 | /** |
2266 | * lpfc_sli_rqbuf_get - Remove the first dma buffer off of an RQ list | |
2267 | * @phba: Pointer to HBA context object. | |
2268 | * @hbqno: HBQ number. | |
2269 | * | |
2270 | * This function removes the first RQ buffer on an RQ buffer list and returns a | |
2271 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2272 | **/ | |
2273 | static struct rqb_dmabuf * | |
2274 | lpfc_sli_rqbuf_get(struct lpfc_hba *phba, struct lpfc_queue *hrq) | |
2275 | { | |
2276 | struct lpfc_dmabuf *h_buf; | |
2277 | struct lpfc_rqb *rqbp; | |
2278 | ||
2279 | rqbp = hrq->rqbp; | |
2280 | list_remove_head(&rqbp->rqb_buffer_list, h_buf, | |
2281 | struct lpfc_dmabuf, list); | |
2282 | if (!h_buf) | |
2283 | return NULL; | |
2284 | rqbp->buffer_count--; | |
2285 | return container_of(h_buf, struct rqb_dmabuf, hbuf); | |
2286 | } | |
2287 | ||
e59058c4 | 2288 | /** |
3621a710 | 2289 | * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag |
e59058c4 JS |
2290 | * @phba: Pointer to HBA context object. |
2291 | * @tag: Tag of the hbq buffer. | |
2292 | * | |
71892418 SH |
2293 | * This function searches for the hbq buffer associated with the given tag in |
2294 | * the hbq buffer list. If it finds the hbq buffer, it returns the hbq_buffer | |
2295 | * otherwise it returns NULL. | |
e59058c4 | 2296 | **/ |
a6ababd2 | 2297 | static struct hbq_dmabuf * |
92d7f7b0 | 2298 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 2299 | { |
92d7f7b0 JS |
2300 | struct lpfc_dmabuf *d_buf; |
2301 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
2302 | uint32_t hbqno; |
2303 | ||
2304 | hbqno = tag >> 16; | |
a0a74e45 | 2305 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 2306 | return NULL; |
ed957684 | 2307 | |
3772a991 | 2308 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2309 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 2310 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 2311 | if (hbq_buf->tag == tag) { |
3772a991 | 2312 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2313 | return hbq_buf; |
ed957684 JS |
2314 | } |
2315 | } | |
3772a991 | 2316 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2317 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
e8b62011 | 2318 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 2319 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 2320 | return NULL; |
ed957684 JS |
2321 | } |
2322 | ||
e59058c4 | 2323 | /** |
3621a710 | 2324 | * lpfc_sli_free_hbq - Give back the hbq buffer to firmware |
e59058c4 JS |
2325 | * @phba: Pointer to HBA context object. |
2326 | * @hbq_buffer: Pointer to HBQ buffer. | |
2327 | * | |
2328 | * This function is called with hbalock. This function gives back | |
2329 | * the hbq buffer to firmware. If the HBQ does not have space to | |
2330 | * post the buffer, it will free the buffer. | |
2331 | **/ | |
ed957684 | 2332 | void |
51ef4c26 | 2333 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
2334 | { |
2335 | uint32_t hbqno; | |
2336 | ||
51ef4c26 JS |
2337 | if (hbq_buffer) { |
2338 | hbqno = hbq_buffer->tag >> 16; | |
3772a991 | 2339 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
51ef4c26 | 2340 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 JS |
2341 | } |
2342 | } | |
2343 | ||
e59058c4 | 2344 | /** |
3621a710 | 2345 | * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox |
e59058c4 JS |
2346 | * @mbxCommand: mailbox command code. |
2347 | * | |
2348 | * This function is called by the mailbox event handler function to verify | |
2349 | * that the completed mailbox command is a legitimate mailbox command. If the | |
2350 | * completed mailbox is not known to the function, it will return MBX_SHUTDOWN | |
2351 | * and the mailbox event handler will take the HBA offline. | |
2352 | **/ | |
dea3101e JB |
2353 | static int |
2354 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
2355 | { | |
2356 | uint8_t ret; | |
2357 | ||
2358 | switch (mbxCommand) { | |
2359 | case MBX_LOAD_SM: | |
2360 | case MBX_READ_NV: | |
2361 | case MBX_WRITE_NV: | |
a8adb832 | 2362 | case MBX_WRITE_VPARMS: |
dea3101e JB |
2363 | case MBX_RUN_BIU_DIAG: |
2364 | case MBX_INIT_LINK: | |
2365 | case MBX_DOWN_LINK: | |
2366 | case MBX_CONFIG_LINK: | |
2367 | case MBX_CONFIG_RING: | |
2368 | case MBX_RESET_RING: | |
2369 | case MBX_READ_CONFIG: | |
2370 | case MBX_READ_RCONFIG: | |
2371 | case MBX_READ_SPARM: | |
2372 | case MBX_READ_STATUS: | |
2373 | case MBX_READ_RPI: | |
2374 | case MBX_READ_XRI: | |
2375 | case MBX_READ_REV: | |
2376 | case MBX_READ_LNK_STAT: | |
2377 | case MBX_REG_LOGIN: | |
2378 | case MBX_UNREG_LOGIN: | |
dea3101e JB |
2379 | case MBX_CLEAR_LA: |
2380 | case MBX_DUMP_MEMORY: | |
2381 | case MBX_DUMP_CONTEXT: | |
2382 | case MBX_RUN_DIAGS: | |
2383 | case MBX_RESTART: | |
2384 | case MBX_UPDATE_CFG: | |
2385 | case MBX_DOWN_LOAD: | |
2386 | case MBX_DEL_LD_ENTRY: | |
2387 | case MBX_RUN_PROGRAM: | |
2388 | case MBX_SET_MASK: | |
09372820 | 2389 | case MBX_SET_VARIABLE: |
dea3101e | 2390 | case MBX_UNREG_D_ID: |
41415862 | 2391 | case MBX_KILL_BOARD: |
dea3101e | 2392 | case MBX_CONFIG_FARP: |
41415862 | 2393 | case MBX_BEACON: |
dea3101e JB |
2394 | case MBX_LOAD_AREA: |
2395 | case MBX_RUN_BIU_DIAG64: | |
2396 | case MBX_CONFIG_PORT: | |
2397 | case MBX_READ_SPARM64: | |
2398 | case MBX_READ_RPI64: | |
2399 | case MBX_REG_LOGIN64: | |
76a95d75 | 2400 | case MBX_READ_TOPOLOGY: |
09372820 | 2401 | case MBX_WRITE_WWN: |
dea3101e JB |
2402 | case MBX_SET_DEBUG: |
2403 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 2404 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
2405 | case MBX_REG_VPI: |
2406 | case MBX_UNREG_VPI: | |
858c9f6c | 2407 | case MBX_HEARTBEAT: |
84774a4d JS |
2408 | case MBX_PORT_CAPABILITIES: |
2409 | case MBX_PORT_IOV_CONTROL: | |
04c68496 JS |
2410 | case MBX_SLI4_CONFIG: |
2411 | case MBX_SLI4_REQ_FTRS: | |
2412 | case MBX_REG_FCFI: | |
2413 | case MBX_UNREG_FCFI: | |
2414 | case MBX_REG_VFI: | |
2415 | case MBX_UNREG_VFI: | |
2416 | case MBX_INIT_VPI: | |
2417 | case MBX_INIT_VFI: | |
2418 | case MBX_RESUME_RPI: | |
c7495937 JS |
2419 | case MBX_READ_EVENT_LOG_STATUS: |
2420 | case MBX_READ_EVENT_LOG: | |
dcf2a4e0 JS |
2421 | case MBX_SECURITY_MGMT: |
2422 | case MBX_AUTH_PORT: | |
940eb687 | 2423 | case MBX_ACCESS_VDATA: |
dea3101e JB |
2424 | ret = mbxCommand; |
2425 | break; | |
2426 | default: | |
2427 | ret = MBX_SHUTDOWN; | |
2428 | break; | |
2429 | } | |
2e0fef85 | 2430 | return ret; |
dea3101e | 2431 | } |
e59058c4 JS |
2432 | |
2433 | /** | |
3621a710 | 2434 | * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler |
e59058c4 JS |
2435 | * @phba: Pointer to HBA context object. |
2436 | * @pmboxq: Pointer to mailbox command. | |
2437 | * | |
2438 | * This is completion handler function for mailbox commands issued from | |
2439 | * lpfc_sli_issue_mbox_wait function. This function is called by the | |
2440 | * mailbox event handler function with no lock held. This function | |
2441 | * will wake up thread waiting on the wait queue pointed by context1 | |
2442 | * of the mailbox. | |
2443 | **/ | |
04c68496 | 2444 | void |
2e0fef85 | 2445 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e | 2446 | { |
858c9f6c | 2447 | unsigned long drvr_flag; |
e29d74f8 | 2448 | struct completion *pmbox_done; |
dea3101e JB |
2449 | |
2450 | /* | |
e29d74f8 | 2451 | * If pmbox_done is empty, the driver thread gave up waiting and |
dea3101e JB |
2452 | * continued running. |
2453 | */ | |
7054a606 | 2454 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 2455 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
e29d74f8 JS |
2456 | pmbox_done = (struct completion *)pmboxq->context3; |
2457 | if (pmbox_done) | |
2458 | complete(pmbox_done); | |
858c9f6c | 2459 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
2460 | return; |
2461 | } | |
2462 | ||
b95b2119 JS |
2463 | static void |
2464 | __lpfc_sli_rpi_release(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) | |
2465 | { | |
2466 | unsigned long iflags; | |
2467 | ||
2468 | if (ndlp->nlp_flag & NLP_RELEASE_RPI) { | |
2469 | lpfc_sli4_free_rpi(vport->phba, ndlp->nlp_rpi); | |
2470 | spin_lock_irqsave(&vport->phba->ndlp_lock, iflags); | |
2471 | ndlp->nlp_flag &= ~NLP_RELEASE_RPI; | |
2472 | ndlp->nlp_rpi = LPFC_RPI_ALLOC_ERROR; | |
2473 | spin_unlock_irqrestore(&vport->phba->ndlp_lock, iflags); | |
2474 | } | |
2475 | ndlp->nlp_flag &= ~NLP_UNREG_INP; | |
2476 | } | |
e59058c4 JS |
2477 | |
2478 | /** | |
3621a710 | 2479 | * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler |
e59058c4 JS |
2480 | * @phba: Pointer to HBA context object. |
2481 | * @pmb: Pointer to mailbox object. | |
2482 | * | |
2483 | * This function is the default mailbox completion handler. It | |
2484 | * frees the memory resources associated with the completed mailbox | |
2485 | * command. If the completed command is a REG_LOGIN mailbox command, | |
2486 | * this function will issue a UREG_LOGIN to re-claim the RPI. | |
2487 | **/ | |
dea3101e | 2488 | void |
2e0fef85 | 2489 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2490 | { |
d439d286 | 2491 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2492 | struct lpfc_dmabuf *mp; |
d439d286 | 2493 | struct lpfc_nodelist *ndlp; |
5af5eee7 | 2494 | struct Scsi_Host *shost; |
04c68496 | 2495 | uint16_t rpi, vpi; |
7054a606 JS |
2496 | int rc; |
2497 | ||
3e1f0718 | 2498 | mp = (struct lpfc_dmabuf *)(pmb->ctx_buf); |
7054a606 | 2499 | |
dea3101e JB |
2500 | if (mp) { |
2501 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2502 | kfree(mp); | |
2503 | } | |
7054a606 JS |
2504 | |
2505 | /* | |
2506 | * If a REG_LOGIN succeeded after node is destroyed or node | |
2507 | * is in re-discovery driver need to cleanup the RPI. | |
2508 | */ | |
2e0fef85 | 2509 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
04c68496 JS |
2510 | pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 && |
2511 | !pmb->u.mb.mbxStatus) { | |
2512 | rpi = pmb->u.mb.un.varWords[0]; | |
6d368e53 | 2513 | vpi = pmb->u.mb.un.varRegLogin.vpi; |
04c68496 | 2514 | lpfc_unreg_login(phba, vpi, rpi, pmb); |
de96e9c5 | 2515 | pmb->vport = vport; |
92d7f7b0 | 2516 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
7054a606 JS |
2517 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
2518 | if (rc != MBX_NOT_FINISHED) | |
2519 | return; | |
2520 | } | |
2521 | ||
695a814e JS |
2522 | if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) && |
2523 | !(phba->pport->load_flag & FC_UNLOADING) && | |
2524 | !pmb->u.mb.mbxStatus) { | |
5af5eee7 JS |
2525 | shost = lpfc_shost_from_vport(vport); |
2526 | spin_lock_irq(shost->host_lock); | |
2527 | vport->vpi_state |= LPFC_VPI_REGISTERED; | |
2528 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
2529 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
2530 | } |
2531 | ||
d439d286 | 2532 | if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
3e1f0718 | 2533 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; |
d439d286 | 2534 | lpfc_nlp_put(ndlp); |
dea16bda JS |
2535 | pmb->ctx_buf = NULL; |
2536 | pmb->ctx_ndlp = NULL; | |
2537 | } | |
2538 | ||
2539 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { | |
2540 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; | |
2541 | ||
2542 | /* Check to see if there are any deferred events to process */ | |
2543 | if (ndlp) { | |
2544 | lpfc_printf_vlog( | |
2545 | vport, | |
2546 | KERN_INFO, LOG_MBOX | LOG_DISCOVERY, | |
2547 | "1438 UNREG cmpl deferred mbox x%x " | |
32350664 | 2548 | "on NPort x%x Data: x%x x%x %px\n", |
dea16bda JS |
2549 | ndlp->nlp_rpi, ndlp->nlp_DID, |
2550 | ndlp->nlp_flag, ndlp->nlp_defer_did, ndlp); | |
2551 | ||
2552 | if ((ndlp->nlp_flag & NLP_UNREG_INP) && | |
2553 | (ndlp->nlp_defer_did != NLP_EVT_NOTHING_PENDING)) { | |
00292e03 | 2554 | ndlp->nlp_flag &= ~NLP_UNREG_INP; |
dea16bda JS |
2555 | ndlp->nlp_defer_did = NLP_EVT_NOTHING_PENDING; |
2556 | lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0); | |
00292e03 | 2557 | } else { |
b95b2119 | 2558 | __lpfc_sli_rpi_release(vport, ndlp); |
dea16bda | 2559 | } |
97acd001 JS |
2560 | if (vport->load_flag & FC_UNLOADING) |
2561 | lpfc_nlp_put(ndlp); | |
9b164068 | 2562 | pmb->ctx_ndlp = NULL; |
dea16bda | 2563 | } |
d439d286 JS |
2564 | } |
2565 | ||
dcf2a4e0 JS |
2566 | /* Check security permission status on INIT_LINK mailbox command */ |
2567 | if ((pmb->u.mb.mbxCommand == MBX_INIT_LINK) && | |
2568 | (pmb->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
2569 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
2570 | "2860 SLI authentication is required " | |
2571 | "for INIT_LINK but has not done yet\n"); | |
2572 | ||
04c68496 JS |
2573 | if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG) |
2574 | lpfc_sli4_mbox_cmd_free(phba, pmb); | |
2575 | else | |
2576 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2577 | } |
be6bb941 JS |
2578 | /** |
2579 | * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler | |
2580 | * @phba: Pointer to HBA context object. | |
2581 | * @pmb: Pointer to mailbox object. | |
2582 | * | |
2583 | * This function is the unreg rpi mailbox completion handler. It | |
2584 | * frees the memory resources associated with the completed mailbox | |
2585 | * command. An additional refrenece is put on the ndlp to prevent | |
2586 | * lpfc_nlp_release from freeing the rpi bit in the bitmask before | |
2587 | * the unreg mailbox command completes, this routine puts the | |
2588 | * reference back. | |
2589 | * | |
2590 | **/ | |
2591 | void | |
2592 | lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2593 | { | |
2594 | struct lpfc_vport *vport = pmb->vport; | |
2595 | struct lpfc_nodelist *ndlp; | |
2596 | ||
3e1f0718 | 2597 | ndlp = pmb->ctx_ndlp; |
be6bb941 JS |
2598 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { |
2599 | if (phba->sli_rev == LPFC_SLI_REV4 && | |
2600 | (bf_get(lpfc_sli_intf_if_type, | |
27d6ac0a | 2601 | &phba->sli4_hba.sli_intf) >= |
be6bb941 JS |
2602 | LPFC_SLI_INTF_IF_TYPE_2)) { |
2603 | if (ndlp) { | |
dea16bda JS |
2604 | lpfc_printf_vlog( |
2605 | vport, KERN_INFO, LOG_MBOX | LOG_SLI, | |
2606 | "0010 UNREG_LOGIN vpi:%x " | |
2607 | "rpi:%x DID:%x defer x%x flg x%x " | |
32350664 | 2608 | "map:%x %px\n", |
dea16bda JS |
2609 | vport->vpi, ndlp->nlp_rpi, |
2610 | ndlp->nlp_DID, ndlp->nlp_defer_did, | |
2611 | ndlp->nlp_flag, | |
2612 | ndlp->nlp_usg_map, ndlp); | |
7c5e518c | 2613 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
be6bb941 | 2614 | lpfc_nlp_put(ndlp); |
dea16bda JS |
2615 | |
2616 | /* Check to see if there are any deferred | |
2617 | * events to process | |
2618 | */ | |
2619 | if ((ndlp->nlp_flag & NLP_UNREG_INP) && | |
2620 | (ndlp->nlp_defer_did != | |
2621 | NLP_EVT_NOTHING_PENDING)) { | |
2622 | lpfc_printf_vlog( | |
2623 | vport, KERN_INFO, LOG_DISCOVERY, | |
2624 | "4111 UNREG cmpl deferred " | |
2625 | "clr x%x on " | |
32350664 | 2626 | "NPort x%x Data: x%x x%px\n", |
dea16bda JS |
2627 | ndlp->nlp_rpi, ndlp->nlp_DID, |
2628 | ndlp->nlp_defer_did, ndlp); | |
00292e03 | 2629 | ndlp->nlp_flag &= ~NLP_UNREG_INP; |
dea16bda JS |
2630 | ndlp->nlp_defer_did = |
2631 | NLP_EVT_NOTHING_PENDING; | |
2632 | lpfc_issue_els_plogi( | |
2633 | vport, ndlp->nlp_DID, 0); | |
00292e03 | 2634 | } else { |
b95b2119 | 2635 | __lpfc_sli_rpi_release(vport, ndlp); |
dea16bda | 2636 | } |
be6bb941 JS |
2637 | } |
2638 | } | |
2639 | } | |
2640 | ||
2641 | mempool_free(pmb, phba->mbox_mem_pool); | |
2642 | } | |
dea3101e | 2643 | |
e59058c4 | 2644 | /** |
3621a710 | 2645 | * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware |
e59058c4 JS |
2646 | * @phba: Pointer to HBA context object. |
2647 | * | |
2648 | * This function is called with no lock held. This function processes all | |
2649 | * the completed mailbox commands and gives it to upper layers. The interrupt | |
2650 | * service routine processes mailbox completion interrupt and adds completed | |
2651 | * mailbox commands to the mboxq_cmpl queue and signals the worker thread. | |
2652 | * Worker thread call lpfc_sli_handle_mb_event, which will return the | |
2653 | * completed mailbox commands in mboxq_cmpl queue to the upper layers. This | |
2654 | * function returns the mailbox commands to the upper layer by calling the | |
2655 | * completion handler function of each mailbox. | |
2656 | **/ | |
dea3101e | 2657 | int |
2e0fef85 | 2658 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 2659 | { |
92d7f7b0 | 2660 | MAILBOX_t *pmbox; |
dea3101e | 2661 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
2662 | int rc; |
2663 | LIST_HEAD(cmplq); | |
dea3101e JB |
2664 | |
2665 | phba->sli.slistat.mbox_event++; | |
2666 | ||
92d7f7b0 JS |
2667 | /* Get all completed mailboxe buffers into the cmplq */ |
2668 | spin_lock_irq(&phba->hbalock); | |
2669 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
2670 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 2671 | |
92d7f7b0 JS |
2672 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
2673 | do { | |
2674 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
2675 | if (pmb == NULL) | |
2676 | break; | |
2e0fef85 | 2677 | |
04c68496 | 2678 | pmbox = &pmb->u.mb; |
dea3101e | 2679 | |
858c9f6c JS |
2680 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
2681 | if (pmb->vport) { | |
2682 | lpfc_debugfs_disc_trc(pmb->vport, | |
2683 | LPFC_DISC_TRC_MBOX_VPORT, | |
2684 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
2685 | (uint32_t)pmbox->mbxCommand, | |
2686 | pmbox->un.varWords[0], | |
2687 | pmbox->un.varWords[1]); | |
2688 | } | |
2689 | else { | |
2690 | lpfc_debugfs_disc_trc(phba->pport, | |
2691 | LPFC_DISC_TRC_MBOX, | |
2692 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
2693 | (uint32_t)pmbox->mbxCommand, | |
2694 | pmbox->un.varWords[0], | |
2695 | pmbox->un.varWords[1]); | |
2696 | } | |
2697 | } | |
2698 | ||
dea3101e JB |
2699 | /* |
2700 | * It is a fatal error if unknown mbox command completion. | |
2701 | */ | |
2702 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
2703 | MBX_SHUTDOWN) { | |
af901ca1 | 2704 | /* Unknown mailbox command compl */ |
92d7f7b0 | 2705 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 2706 | "(%d):0323 Unknown Mailbox command " |
a183a15f | 2707 | "x%x (x%x/x%x) Cmpl\n", |
43bfea1b JS |
2708 | pmb->vport ? pmb->vport->vpi : |
2709 | LPFC_VPORT_UNKNOWN, | |
04c68496 | 2710 | pmbox->mbxCommand, |
a183a15f JS |
2711 | lpfc_sli_config_mbox_subsys_get(phba, |
2712 | pmb), | |
2713 | lpfc_sli_config_mbox_opcode_get(phba, | |
2714 | pmb)); | |
2e0fef85 | 2715 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2716 | phba->work_hs = HS_FFER3; |
2717 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 2718 | continue; |
dea3101e JB |
2719 | } |
2720 | ||
dea3101e JB |
2721 | if (pmbox->mbxStatus) { |
2722 | phba->sli.slistat.mbox_stat_err++; | |
2723 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
2724 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 | 2725 | lpfc_printf_log(phba, KERN_INFO, |
a183a15f JS |
2726 | LOG_MBOX | LOG_SLI, |
2727 | "(%d):0305 Mbox cmd cmpl " | |
2728 | "error - RETRYing Data: x%x " | |
2729 | "(x%x/x%x) x%x x%x x%x\n", | |
43bfea1b JS |
2730 | pmb->vport ? pmb->vport->vpi : |
2731 | LPFC_VPORT_UNKNOWN, | |
a183a15f JS |
2732 | pmbox->mbxCommand, |
2733 | lpfc_sli_config_mbox_subsys_get(phba, | |
2734 | pmb), | |
2735 | lpfc_sli_config_mbox_opcode_get(phba, | |
2736 | pmb), | |
2737 | pmbox->mbxStatus, | |
2738 | pmbox->un.varWords[0], | |
43bfea1b JS |
2739 | pmb->vport ? pmb->vport->port_state : |
2740 | LPFC_VPORT_UNKNOWN); | |
dea3101e JB |
2741 | pmbox->mbxStatus = 0; |
2742 | pmbox->mbxOwner = OWN_HOST; | |
dea3101e | 2743 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
04c68496 | 2744 | if (rc != MBX_NOT_FINISHED) |
92d7f7b0 | 2745 | continue; |
dea3101e JB |
2746 | } |
2747 | } | |
2748 | ||
2749 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 2750 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
2d44d165 | 2751 | "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl %ps " |
e74c03c8 JS |
2752 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " |
2753 | "x%x x%x x%x\n", | |
92d7f7b0 | 2754 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e | 2755 | pmbox->mbxCommand, |
a183a15f JS |
2756 | lpfc_sli_config_mbox_subsys_get(phba, pmb), |
2757 | lpfc_sli_config_mbox_opcode_get(phba, pmb), | |
dea3101e JB |
2758 | pmb->mbox_cmpl, |
2759 | *((uint32_t *) pmbox), | |
2760 | pmbox->un.varWords[0], | |
2761 | pmbox->un.varWords[1], | |
2762 | pmbox->un.varWords[2], | |
2763 | pmbox->un.varWords[3], | |
2764 | pmbox->un.varWords[4], | |
2765 | pmbox->un.varWords[5], | |
2766 | pmbox->un.varWords[6], | |
e74c03c8 JS |
2767 | pmbox->un.varWords[7], |
2768 | pmbox->un.varWords[8], | |
2769 | pmbox->un.varWords[9], | |
2770 | pmbox->un.varWords[10]); | |
dea3101e | 2771 | |
92d7f7b0 | 2772 | if (pmb->mbox_cmpl) |
dea3101e | 2773 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
2774 | } while (1); |
2775 | return 0; | |
2776 | } | |
dea3101e | 2777 | |
e59058c4 | 2778 | /** |
3621a710 | 2779 | * lpfc_sli_get_buff - Get the buffer associated with the buffer tag |
e59058c4 JS |
2780 | * @phba: Pointer to HBA context object. |
2781 | * @pring: Pointer to driver SLI ring object. | |
2782 | * @tag: buffer tag. | |
2783 | * | |
2784 | * This function is called with no lock held. When QUE_BUFTAG_BIT bit | |
2785 | * is set in the tag the buffer is posted for a particular exchange, | |
2786 | * the function will return the buffer without replacing the buffer. | |
2787 | * If the buffer is for unsolicited ELS or CT traffic, this function | |
2788 | * returns the buffer and also posts another buffer to the firmware. | |
2789 | **/ | |
76bb24ef JS |
2790 | static struct lpfc_dmabuf * |
2791 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
9f1e1b50 JS |
2792 | struct lpfc_sli_ring *pring, |
2793 | uint32_t tag) | |
76bb24ef | 2794 | { |
9f1e1b50 JS |
2795 | struct hbq_dmabuf *hbq_entry; |
2796 | ||
76bb24ef JS |
2797 | if (tag & QUE_BUFTAG_BIT) |
2798 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
9f1e1b50 JS |
2799 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
2800 | if (!hbq_entry) | |
2801 | return NULL; | |
2802 | return &hbq_entry->dbuf; | |
76bb24ef | 2803 | } |
57127f15 | 2804 | |
3772a991 JS |
2805 | /** |
2806 | * lpfc_complete_unsol_iocb - Complete an unsolicited sequence | |
2807 | * @phba: Pointer to HBA context object. | |
2808 | * @pring: Pointer to driver SLI ring object. | |
2809 | * @saveq: Pointer to the iocbq struct representing the sequence starting frame. | |
2810 | * @fch_r_ctl: the r_ctl for the first frame of the sequence. | |
2811 | * @fch_type: the type for the first frame of the sequence. | |
2812 | * | |
2813 | * This function is called with no lock held. This function uses the r_ctl and | |
2814 | * type of the received sequence to find the correct callback function to call | |
2815 | * to process the sequence. | |
2816 | **/ | |
2817 | static int | |
2818 | lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2819 | struct lpfc_iocbq *saveq, uint32_t fch_r_ctl, | |
2820 | uint32_t fch_type) | |
2821 | { | |
2822 | int i; | |
2823 | ||
f358dd0c JS |
2824 | switch (fch_type) { |
2825 | case FC_TYPE_NVME: | |
d613b6a7 | 2826 | lpfc_nvmet_unsol_ls_event(phba, pring, saveq); |
f358dd0c JS |
2827 | return 1; |
2828 | default: | |
2829 | break; | |
2830 | } | |
2831 | ||
3772a991 JS |
2832 | /* unSolicited Responses */ |
2833 | if (pring->prt[0].profile) { | |
2834 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) | |
2835 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
2836 | saveq); | |
2837 | return 1; | |
2838 | } | |
2839 | /* We must search, based on rctl / type | |
2840 | for the right routine */ | |
2841 | for (i = 0; i < pring->num_mask; i++) { | |
2842 | if ((pring->prt[i].rctl == fch_r_ctl) && | |
2843 | (pring->prt[i].type == fch_type)) { | |
2844 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2845 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2846 | (phba, pring, saveq); | |
2847 | return 1; | |
2848 | } | |
2849 | } | |
2850 | return 0; | |
2851 | } | |
e59058c4 JS |
2852 | |
2853 | /** | |
3621a710 | 2854 | * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler |
e59058c4 JS |
2855 | * @phba: Pointer to HBA context object. |
2856 | * @pring: Pointer to driver SLI ring object. | |
2857 | * @saveq: Pointer to the unsolicited iocb. | |
2858 | * | |
2859 | * This function is called with no lock held by the ring event handler | |
2860 | * when there is an unsolicited iocb posted to the response ring by the | |
2861 | * firmware. This function gets the buffer associated with the iocbs | |
2862 | * and calls the event handler for the ring. This function handles both | |
2863 | * qring buffers and hbq buffers. | |
2864 | * When the function returns 1 the caller can free the iocb object otherwise | |
2865 | * upper layer functions will free the iocb objects. | |
2866 | **/ | |
dea3101e JB |
2867 | static int |
2868 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2869 | struct lpfc_iocbq *saveq) | |
2870 | { | |
2871 | IOCB_t * irsp; | |
2872 | WORD5 * w5p; | |
2873 | uint32_t Rctl, Type; | |
76bb24ef | 2874 | struct lpfc_iocbq *iocbq; |
3163f725 | 2875 | struct lpfc_dmabuf *dmzbuf; |
dea3101e | 2876 | |
dea3101e | 2877 | irsp = &(saveq->iocb); |
57127f15 JS |
2878 | |
2879 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { | |
2880 | if (pring->lpfc_sli_rcv_async_status) | |
2881 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
2882 | else | |
2883 | lpfc_printf_log(phba, | |
2884 | KERN_WARNING, | |
2885 | LOG_SLI, | |
2886 | "0316 Ring %d handler: unexpected " | |
2887 | "ASYNC_STATUS iocb received evt_code " | |
2888 | "0x%x\n", | |
2889 | pring->ringno, | |
2890 | irsp->un.asyncstat.evt_code); | |
2891 | return 1; | |
2892 | } | |
2893 | ||
3163f725 JS |
2894 | if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && |
2895 | (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { | |
2896 | if (irsp->ulpBdeCount > 0) { | |
2897 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2898 | irsp->un.ulpWord[3]); | |
2899 | lpfc_in_buf_free(phba, dmzbuf); | |
2900 | } | |
2901 | ||
2902 | if (irsp->ulpBdeCount > 1) { | |
2903 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2904 | irsp->unsli3.sli3Words[3]); | |
2905 | lpfc_in_buf_free(phba, dmzbuf); | |
2906 | } | |
2907 | ||
2908 | if (irsp->ulpBdeCount > 2) { | |
2909 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2910 | irsp->unsli3.sli3Words[7]); | |
2911 | lpfc_in_buf_free(phba, dmzbuf); | |
2912 | } | |
2913 | ||
2914 | return 1; | |
2915 | } | |
2916 | ||
92d7f7b0 | 2917 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
2918 | if (irsp->ulpBdeCount != 0) { |
2919 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
2920 | irsp->un.ulpWord[3]); | |
2921 | if (!saveq->context2) | |
2922 | lpfc_printf_log(phba, | |
2923 | KERN_ERR, | |
2924 | LOG_SLI, | |
2925 | "0341 Ring %d Cannot find buffer for " | |
2926 | "an unsolicited iocb. tag 0x%x\n", | |
2927 | pring->ringno, | |
2928 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
2929 | } |
2930 | if (irsp->ulpBdeCount == 2) { | |
2931 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
2932 | irsp->unsli3.sli3Words[7]); | |
2933 | if (!saveq->context3) | |
2934 | lpfc_printf_log(phba, | |
2935 | KERN_ERR, | |
2936 | LOG_SLI, | |
2937 | "0342 Ring %d Cannot find buffer for an" | |
2938 | " unsolicited iocb. tag 0x%x\n", | |
2939 | pring->ringno, | |
2940 | irsp->unsli3.sli3Words[7]); | |
2941 | } | |
2942 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 2943 | irsp = &(iocbq->iocb); |
76bb24ef JS |
2944 | if (irsp->ulpBdeCount != 0) { |
2945 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
2946 | irsp->un.ulpWord[3]); | |
9c2face6 | 2947 | if (!iocbq->context2) |
76bb24ef JS |
2948 | lpfc_printf_log(phba, |
2949 | KERN_ERR, | |
2950 | LOG_SLI, | |
2951 | "0343 Ring %d Cannot find " | |
2952 | "buffer for an unsolicited iocb" | |
2953 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 2954 | irsp->un.ulpWord[3]); |
76bb24ef JS |
2955 | } |
2956 | if (irsp->ulpBdeCount == 2) { | |
2957 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 2958 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 2959 | if (!iocbq->context3) |
76bb24ef JS |
2960 | lpfc_printf_log(phba, |
2961 | KERN_ERR, | |
2962 | LOG_SLI, | |
2963 | "0344 Ring %d Cannot find " | |
2964 | "buffer for an unsolicited " | |
2965 | "iocb. tag 0x%x\n", | |
2966 | pring->ringno, | |
2967 | irsp->unsli3.sli3Words[7]); | |
2968 | } | |
2969 | } | |
92d7f7b0 | 2970 | } |
9c2face6 JS |
2971 | if (irsp->ulpBdeCount != 0 && |
2972 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
2973 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
2974 | int found = 0; | |
2975 | ||
2976 | /* search continue save q for same XRI */ | |
2977 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
7851fe2c JS |
2978 | if (iocbq->iocb.unsli3.rcvsli3.ox_id == |
2979 | saveq->iocb.unsli3.rcvsli3.ox_id) { | |
9c2face6 JS |
2980 | list_add_tail(&saveq->list, &iocbq->list); |
2981 | found = 1; | |
2982 | break; | |
2983 | } | |
2984 | } | |
2985 | if (!found) | |
2986 | list_add_tail(&saveq->clist, | |
2987 | &pring->iocb_continue_saveq); | |
2988 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
2989 | list_del_init(&iocbq->clist); | |
2990 | saveq = iocbq; | |
2991 | irsp = &(saveq->iocb); | |
2992 | } else | |
2993 | return 0; | |
2994 | } | |
2995 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
2996 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
2997 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
6a9c52cf JS |
2998 | Rctl = FC_RCTL_ELS_REQ; |
2999 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
3000 | } else { |
3001 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
3002 | Rctl = w5p->hcsw.Rctl; | |
3003 | Type = w5p->hcsw.Type; | |
3004 | ||
3005 | /* Firmware Workaround */ | |
3006 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
3007 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
3008 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
6a9c52cf JS |
3009 | Rctl = FC_RCTL_ELS_REQ; |
3010 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
3011 | w5p->hcsw.Rctl = Rctl; |
3012 | w5p->hcsw.Type = Type; | |
3013 | } | |
3014 | } | |
92d7f7b0 | 3015 | |
3772a991 | 3016 | if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type)) |
92d7f7b0 | 3017 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 3018 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 3019 | "Type x%x received\n", |
e8b62011 | 3020 | pring->ringno, Rctl, Type); |
3772a991 | 3021 | |
92d7f7b0 | 3022 | return 1; |
dea3101e JB |
3023 | } |
3024 | ||
e59058c4 | 3025 | /** |
3621a710 | 3026 | * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb |
e59058c4 JS |
3027 | * @phba: Pointer to HBA context object. |
3028 | * @pring: Pointer to driver SLI ring object. | |
3029 | * @prspiocb: Pointer to response iocb object. | |
3030 | * | |
3031 | * This function looks up the iocb_lookup table to get the command iocb | |
3032 | * corresponding to the given response iocb using the iotag of the | |
e2a8be56 JS |
3033 | * response iocb. The driver calls this function with the hbalock held |
3034 | * for SLI3 ports or the ring lock held for SLI4 ports. | |
e59058c4 JS |
3035 | * This function returns the command iocb object if it finds the command |
3036 | * iocb else returns NULL. | |
3037 | **/ | |
dea3101e | 3038 | static struct lpfc_iocbq * |
2e0fef85 JS |
3039 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
3040 | struct lpfc_sli_ring *pring, | |
3041 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 3042 | { |
dea3101e JB |
3043 | struct lpfc_iocbq *cmd_iocb = NULL; |
3044 | uint16_t iotag; | |
e2a8be56 JS |
3045 | spinlock_t *temp_lock = NULL; |
3046 | unsigned long iflag = 0; | |
3047 | ||
3048 | if (phba->sli_rev == LPFC_SLI_REV4) | |
3049 | temp_lock = &pring->ring_lock; | |
3050 | else | |
3051 | temp_lock = &phba->hbalock; | |
dea3101e | 3052 | |
e2a8be56 | 3053 | spin_lock_irqsave(temp_lock, iflag); |
604a3e30 JB |
3054 | iotag = prspiocb->iocb.ulpIoTag; |
3055 | ||
3056 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
3057 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 | 3058 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
89533e9b JS |
3059 | /* remove from txcmpl queue list */ |
3060 | list_del_init(&cmd_iocb->list); | |
4f2e66c6 | 3061 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; |
c490850a | 3062 | pring->txcmplq_cnt--; |
e2a8be56 | 3063 | spin_unlock_irqrestore(temp_lock, iflag); |
89533e9b | 3064 | return cmd_iocb; |
2a9bf3d0 | 3065 | } |
dea3101e JB |
3066 | } |
3067 | ||
e2a8be56 | 3068 | spin_unlock_irqrestore(temp_lock, iflag); |
dea3101e | 3069 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
89533e9b | 3070 | "0317 iotag x%x is out of " |
604a3e30 | 3071 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 3072 | iotag, phba->sli.last_iotag, |
604a3e30 | 3073 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e JB |
3074 | return NULL; |
3075 | } | |
3076 | ||
3772a991 JS |
3077 | /** |
3078 | * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag | |
3079 | * @phba: Pointer to HBA context object. | |
3080 | * @pring: Pointer to driver SLI ring object. | |
3081 | * @iotag: IOCB tag. | |
3082 | * | |
3083 | * This function looks up the iocb_lookup table to get the command iocb | |
e2a8be56 JS |
3084 | * corresponding to the given iotag. The driver calls this function with |
3085 | * the ring lock held because this function is an SLI4 port only helper. | |
3772a991 JS |
3086 | * This function returns the command iocb object if it finds the command |
3087 | * iocb else returns NULL. | |
3088 | **/ | |
3089 | static struct lpfc_iocbq * | |
3090 | lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, | |
3091 | struct lpfc_sli_ring *pring, uint16_t iotag) | |
3092 | { | |
895427bd | 3093 | struct lpfc_iocbq *cmd_iocb = NULL; |
e2a8be56 JS |
3094 | spinlock_t *temp_lock = NULL; |
3095 | unsigned long iflag = 0; | |
3772a991 | 3096 | |
e2a8be56 JS |
3097 | if (phba->sli_rev == LPFC_SLI_REV4) |
3098 | temp_lock = &pring->ring_lock; | |
3099 | else | |
3100 | temp_lock = &phba->hbalock; | |
3101 | ||
3102 | spin_lock_irqsave(temp_lock, iflag); | |
3772a991 JS |
3103 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
3104 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 JS |
3105 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
3106 | /* remove from txcmpl queue list */ | |
3107 | list_del_init(&cmd_iocb->list); | |
3108 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
c490850a | 3109 | pring->txcmplq_cnt--; |
e2a8be56 | 3110 | spin_unlock_irqrestore(temp_lock, iflag); |
4f2e66c6 | 3111 | return cmd_iocb; |
2a9bf3d0 | 3112 | } |
3772a991 | 3113 | } |
89533e9b | 3114 | |
e2a8be56 | 3115 | spin_unlock_irqrestore(temp_lock, iflag); |
3772a991 | 3116 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
895427bd JS |
3117 | "0372 iotag x%x lookup error: max iotag (x%x) " |
3118 | "iocb_flag x%x\n", | |
3119 | iotag, phba->sli.last_iotag, | |
3120 | cmd_iocb ? cmd_iocb->iocb_flag : 0xffff); | |
3772a991 JS |
3121 | return NULL; |
3122 | } | |
3123 | ||
e59058c4 | 3124 | /** |
3621a710 | 3125 | * lpfc_sli_process_sol_iocb - process solicited iocb completion |
e59058c4 JS |
3126 | * @phba: Pointer to HBA context object. |
3127 | * @pring: Pointer to driver SLI ring object. | |
3128 | * @saveq: Pointer to the response iocb to be processed. | |
3129 | * | |
3130 | * This function is called by the ring event handler for non-fcp | |
3131 | * rings when there is a new response iocb in the response ring. | |
3132 | * The caller is not required to hold any locks. This function | |
3133 | * gets the command iocb associated with the response iocb and | |
3134 | * calls the completion handler for the command iocb. If there | |
3135 | * is no completion handler, the function will free the resources | |
3136 | * associated with command iocb. If the response iocb is for | |
3137 | * an already aborted command iocb, the status of the completion | |
3138 | * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED. | |
3139 | * This function always returns 1. | |
3140 | **/ | |
dea3101e | 3141 | static int |
2e0fef85 | 3142 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e JB |
3143 | struct lpfc_iocbq *saveq) |
3144 | { | |
2e0fef85 | 3145 | struct lpfc_iocbq *cmdiocbp; |
dea3101e JB |
3146 | int rc = 1; |
3147 | unsigned long iflag; | |
3148 | ||
604a3e30 | 3149 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
dea3101e JB |
3150 | if (cmdiocbp) { |
3151 | if (cmdiocbp->iocb_cmpl) { | |
ea2151b4 JS |
3152 | /* |
3153 | * If an ELS command failed send an event to mgmt | |
3154 | * application. | |
3155 | */ | |
3156 | if (saveq->iocb.ulpStatus && | |
3157 | (pring->ringno == LPFC_ELS_RING) && | |
3158 | (cmdiocbp->iocb.ulpCommand == | |
3159 | CMD_ELS_REQUEST64_CR)) | |
3160 | lpfc_send_els_failure_event(phba, | |
3161 | cmdiocbp, saveq); | |
3162 | ||
dea3101e JB |
3163 | /* |
3164 | * Post all ELS completions to the worker thread. | |
3165 | * All other are passed to the completion callback. | |
3166 | */ | |
3167 | if (pring->ringno == LPFC_ELS_RING) { | |
341af102 JS |
3168 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
3169 | (cmdiocbp->iocb_flag & | |
3170 | LPFC_DRIVER_ABORTED)) { | |
3171 | spin_lock_irqsave(&phba->hbalock, | |
3172 | iflag); | |
07951076 JS |
3173 | cmdiocbp->iocb_flag &= |
3174 | ~LPFC_DRIVER_ABORTED; | |
341af102 JS |
3175 | spin_unlock_irqrestore(&phba->hbalock, |
3176 | iflag); | |
07951076 JS |
3177 | saveq->iocb.ulpStatus = |
3178 | IOSTAT_LOCAL_REJECT; | |
3179 | saveq->iocb.un.ulpWord[4] = | |
3180 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
3181 | |
3182 | /* Firmware could still be in progress | |
3183 | * of DMAing payload, so don't free data | |
3184 | * buffer till after a hbeat. | |
3185 | */ | |
341af102 JS |
3186 | spin_lock_irqsave(&phba->hbalock, |
3187 | iflag); | |
0ff10d46 | 3188 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; |
341af102 JS |
3189 | spin_unlock_irqrestore(&phba->hbalock, |
3190 | iflag); | |
3191 | } | |
0f65ff68 JS |
3192 | if (phba->sli_rev == LPFC_SLI_REV4) { |
3193 | if (saveq->iocb_flag & | |
3194 | LPFC_EXCHANGE_BUSY) { | |
3195 | /* Set cmdiocb flag for the | |
3196 | * exchange busy so sgl (xri) | |
3197 | * will not be released until | |
3198 | * the abort xri is received | |
3199 | * from hba. | |
3200 | */ | |
3201 | spin_lock_irqsave( | |
3202 | &phba->hbalock, iflag); | |
3203 | cmdiocbp->iocb_flag |= | |
3204 | LPFC_EXCHANGE_BUSY; | |
3205 | spin_unlock_irqrestore( | |
3206 | &phba->hbalock, iflag); | |
3207 | } | |
3208 | if (cmdiocbp->iocb_flag & | |
3209 | LPFC_DRIVER_ABORTED) { | |
3210 | /* | |
3211 | * Clear LPFC_DRIVER_ABORTED | |
3212 | * bit in case it was driver | |
3213 | * initiated abort. | |
3214 | */ | |
3215 | spin_lock_irqsave( | |
3216 | &phba->hbalock, iflag); | |
3217 | cmdiocbp->iocb_flag &= | |
3218 | ~LPFC_DRIVER_ABORTED; | |
3219 | spin_unlock_irqrestore( | |
3220 | &phba->hbalock, iflag); | |
3221 | cmdiocbp->iocb.ulpStatus = | |
3222 | IOSTAT_LOCAL_REJECT; | |
3223 | cmdiocbp->iocb.un.ulpWord[4] = | |
3224 | IOERR_ABORT_REQUESTED; | |
3225 | /* | |
3226 | * For SLI4, irsiocb contains | |
3227 | * NO_XRI in sli_xritag, it | |
3228 | * shall not affect releasing | |
3229 | * sgl (xri) process. | |
3230 | */ | |
3231 | saveq->iocb.ulpStatus = | |
3232 | IOSTAT_LOCAL_REJECT; | |
3233 | saveq->iocb.un.ulpWord[4] = | |
3234 | IOERR_SLI_ABORTED; | |
3235 | spin_lock_irqsave( | |
3236 | &phba->hbalock, iflag); | |
3237 | saveq->iocb_flag |= | |
3238 | LPFC_DELAY_MEM_FREE; | |
3239 | spin_unlock_irqrestore( | |
3240 | &phba->hbalock, iflag); | |
3241 | } | |
07951076 | 3242 | } |
dea3101e | 3243 | } |
2e0fef85 | 3244 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
3245 | } else |
3246 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e JB |
3247 | } else { |
3248 | /* | |
3249 | * Unknown initiating command based on the response iotag. | |
3250 | * This could be the case on the ELS ring because of | |
3251 | * lpfc_els_abort(). | |
3252 | */ | |
3253 | if (pring->ringno != LPFC_ELS_RING) { | |
3254 | /* | |
3255 | * Ring <ringno> handler: unexpected completion IoTag | |
3256 | * <IoTag> | |
3257 | */ | |
a257bf90 | 3258 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
3259 | "0322 Ring %d handler: " |
3260 | "unexpected completion IoTag x%x " | |
3261 | "Data: x%x x%x x%x x%x\n", | |
3262 | pring->ringno, | |
3263 | saveq->iocb.ulpIoTag, | |
3264 | saveq->iocb.ulpStatus, | |
3265 | saveq->iocb.un.ulpWord[4], | |
3266 | saveq->iocb.ulpCommand, | |
3267 | saveq->iocb.ulpContext); | |
dea3101e JB |
3268 | } |
3269 | } | |
68876920 | 3270 | |
dea3101e JB |
3271 | return rc; |
3272 | } | |
3273 | ||
e59058c4 | 3274 | /** |
3621a710 | 3275 | * lpfc_sli_rsp_pointers_error - Response ring pointer error handler |
e59058c4 JS |
3276 | * @phba: Pointer to HBA context object. |
3277 | * @pring: Pointer to driver SLI ring object. | |
3278 | * | |
3279 | * This function is called from the iocb ring event handlers when | |
3280 | * put pointer is ahead of the get pointer for a ring. This function signal | |
3281 | * an error attention condition to the worker thread and the worker | |
3282 | * thread will transition the HBA to offline state. | |
3283 | **/ | |
2e0fef85 JS |
3284 | static void |
3285 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 3286 | { |
34b02dcd | 3287 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
875fbdfe | 3288 | /* |
025dfdaf | 3289 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
875fbdfe JSEC |
3290 | * rsp ring <portRspMax> |
3291 | */ | |
3292 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 3293 | "0312 Ring %d handler: portRspPut %d " |
025dfdaf | 3294 | "is bigger than rsp ring %d\n", |
e8b62011 | 3295 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
7e56aa25 | 3296 | pring->sli.sli3.numRiocb); |
875fbdfe | 3297 | |
2e0fef85 | 3298 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
3299 | |
3300 | /* | |
3301 | * All error attention handlers are posted to | |
3302 | * worker thread | |
3303 | */ | |
3304 | phba->work_ha |= HA_ERATT; | |
3305 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 3306 | |
5e9d9b82 | 3307 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
3308 | |
3309 | return; | |
3310 | } | |
3311 | ||
9399627f | 3312 | /** |
3621a710 | 3313 | * lpfc_poll_eratt - Error attention polling timer timeout handler |
9399627f JS |
3314 | * @ptr: Pointer to address of HBA context object. |
3315 | * | |
3316 | * This function is invoked by the Error Attention polling timer when the | |
3317 | * timer times out. It will check the SLI Error Attention register for | |
3318 | * possible attention events. If so, it will post an Error Attention event | |
3319 | * and wake up worker thread to process it. Otherwise, it will set up the | |
3320 | * Error Attention polling timer for the next poll. | |
3321 | **/ | |
f22eb4d3 | 3322 | void lpfc_poll_eratt(struct timer_list *t) |
9399627f JS |
3323 | { |
3324 | struct lpfc_hba *phba; | |
eb016566 | 3325 | uint32_t eratt = 0; |
aa6fbb75 | 3326 | uint64_t sli_intr, cnt; |
9399627f | 3327 | |
f22eb4d3 | 3328 | phba = from_timer(phba, t, eratt_poll); |
9399627f | 3329 | |
aa6fbb75 JS |
3330 | /* Here we will also keep track of interrupts per sec of the hba */ |
3331 | sli_intr = phba->sli.slistat.sli_intr; | |
3332 | ||
3333 | if (phba->sli.slistat.sli_prev_intr > sli_intr) | |
3334 | cnt = (((uint64_t)(-1) - phba->sli.slistat.sli_prev_intr) + | |
3335 | sli_intr); | |
3336 | else | |
3337 | cnt = (sli_intr - phba->sli.slistat.sli_prev_intr); | |
3338 | ||
65791f1f JS |
3339 | /* 64-bit integer division not supported on 32-bit x86 - use do_div */ |
3340 | do_div(cnt, phba->eratt_poll_interval); | |
aa6fbb75 JS |
3341 | phba->sli.slistat.sli_ips = cnt; |
3342 | ||
3343 | phba->sli.slistat.sli_prev_intr = sli_intr; | |
3344 | ||
9399627f JS |
3345 | /* Check chip HA register for error event */ |
3346 | eratt = lpfc_sli_check_eratt(phba); | |
3347 | ||
3348 | if (eratt) | |
3349 | /* Tell the worker thread there is work to do */ | |
3350 | lpfc_worker_wake_up(phba); | |
3351 | else | |
3352 | /* Restart the timer for next eratt poll */ | |
256ec0d0 JS |
3353 | mod_timer(&phba->eratt_poll, |
3354 | jiffies + | |
65791f1f | 3355 | msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
9399627f JS |
3356 | return; |
3357 | } | |
3358 | ||
875fbdfe | 3359 | |
e59058c4 | 3360 | /** |
3621a710 | 3361 | * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring |
e59058c4 JS |
3362 | * @phba: Pointer to HBA context object. |
3363 | * @pring: Pointer to driver SLI ring object. | |
3364 | * @mask: Host attention register mask for this ring. | |
3365 | * | |
3366 | * This function is called from the interrupt context when there is a ring | |
3367 | * event for the fcp ring. The caller does not hold any lock. | |
3368 | * The function processes each response iocb in the response ring until it | |
25985edc | 3369 | * finds an iocb with LE bit set and chains all the iocbs up to the iocb with |
e59058c4 JS |
3370 | * LE bit set. The function will call the completion handler of the command iocb |
3371 | * if the response iocb indicates a completion for a command iocb or it is | |
3372 | * an abort completion. The function will call lpfc_sli_process_unsol_iocb | |
3373 | * function if this is an unsolicited iocb. | |
dea3101e | 3374 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
45ed1190 JS |
3375 | * to check it explicitly. |
3376 | */ | |
3377 | int | |
2e0fef85 JS |
3378 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
3379 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3380 | { |
34b02dcd | 3381 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
dea3101e | 3382 | IOCB_t *irsp = NULL; |
87f6eaff | 3383 | IOCB_t *entry = NULL; |
dea3101e JB |
3384 | struct lpfc_iocbq *cmdiocbq = NULL; |
3385 | struct lpfc_iocbq rspiocbq; | |
dea3101e JB |
3386 | uint32_t status; |
3387 | uint32_t portRspPut, portRspMax; | |
3388 | int rc = 1; | |
3389 | lpfc_iocb_type type; | |
3390 | unsigned long iflag; | |
3391 | uint32_t rsp_cmpl = 0; | |
dea3101e | 3392 | |
2e0fef85 | 3393 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3394 | pring->stats.iocb_event++; |
3395 | ||
dea3101e JB |
3396 | /* |
3397 | * The next available response entry should never exceed the maximum | |
3398 | * entries. If it does, treat it as an adapter hardware error. | |
3399 | */ | |
7e56aa25 | 3400 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3401 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3402 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 3403 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 3404 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3405 | return 1; |
3406 | } | |
45ed1190 JS |
3407 | if (phba->fcp_ring_in_use) { |
3408 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3409 | return 1; | |
3410 | } else | |
3411 | phba->fcp_ring_in_use = 1; | |
dea3101e JB |
3412 | |
3413 | rmb(); | |
7e56aa25 | 3414 | while (pring->sli.sli3.rspidx != portRspPut) { |
87f6eaff JSEC |
3415 | /* |
3416 | * Fetch an entry off the ring and copy it into a local data | |
3417 | * structure. The copy involves a byte-swap since the | |
3418 | * network byte order and pci byte orders are different. | |
3419 | */ | |
ed957684 | 3420 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 3421 | phba->last_completion_time = jiffies; |
875fbdfe | 3422 | |
7e56aa25 JS |
3423 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3424 | pring->sli.sli3.rspidx = 0; | |
875fbdfe | 3425 | |
87f6eaff JSEC |
3426 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
3427 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 3428 | phba->iocb_rsp_size); |
a4bc3379 | 3429 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
3430 | irsp = &rspiocbq.iocb; |
3431 | ||
dea3101e JB |
3432 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
3433 | pring->stats.iocb_rsp++; | |
3434 | rsp_cmpl++; | |
3435 | ||
3436 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
3437 | /* |
3438 | * If resource errors reported from HBA, reduce | |
3439 | * queuedepths of the SCSI device. | |
3440 | */ | |
3441 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3442 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3443 | IOERR_NO_RESOURCES)) { | |
92d7f7b0 | 3444 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3445 | phba->lpfc_rampdown_queue_depth(phba); |
92d7f7b0 JS |
3446 | spin_lock_irqsave(&phba->hbalock, iflag); |
3447 | } | |
3448 | ||
dea3101e JB |
3449 | /* Rsp ring <ringno> error: IOCB */ |
3450 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 3451 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 3452 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 3453 | pring->ringno, |
92d7f7b0 JS |
3454 | irsp->un.ulpWord[0], |
3455 | irsp->un.ulpWord[1], | |
3456 | irsp->un.ulpWord[2], | |
3457 | irsp->un.ulpWord[3], | |
3458 | irsp->un.ulpWord[4], | |
3459 | irsp->un.ulpWord[5], | |
d7c255b2 JS |
3460 | *(uint32_t *)&irsp->un1, |
3461 | *((uint32_t *)&irsp->un1 + 1)); | |
dea3101e JB |
3462 | } |
3463 | ||
3464 | switch (type) { | |
3465 | case LPFC_ABORT_IOCB: | |
3466 | case LPFC_SOL_IOCB: | |
3467 | /* | |
3468 | * Idle exchange closed via ABTS from port. No iocb | |
3469 | * resources need to be recovered. | |
3470 | */ | |
3471 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 3472 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 3473 | "0333 IOCB cmd 0x%x" |
dca9479b | 3474 | " processed. Skipping" |
92d7f7b0 | 3475 | " completion\n", |
dca9479b | 3476 | irsp->ulpCommand); |
dea3101e JB |
3477 | break; |
3478 | } | |
3479 | ||
e2a8be56 | 3480 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
604a3e30 JB |
3481 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
3482 | &rspiocbq); | |
e2a8be56 | 3483 | spin_lock_irqsave(&phba->hbalock, iflag); |
0f65ff68 JS |
3484 | if (unlikely(!cmdiocbq)) |
3485 | break; | |
3486 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
3487 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
3488 | if (cmdiocbq->iocb_cmpl) { | |
3489 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3490 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
3491 | &rspiocbq); | |
3492 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3493 | } | |
dea3101e | 3494 | break; |
a4bc3379 | 3495 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 3496 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 3497 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 3498 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 3499 | break; |
dea3101e JB |
3500 | default: |
3501 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3502 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3503 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3504 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
3505 | MAX_MSG_DATA); | |
898eb71c JP |
3506 | dev_warn(&((phba->pcidev)->dev), |
3507 | "lpfc%d: %s\n", | |
dea3101e JB |
3508 | phba->brd_no, adaptermsg); |
3509 | } else { | |
3510 | /* Unknown IOCB command */ | |
3511 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 3512 | "0334 Unknown IOCB command " |
92d7f7b0 | 3513 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 3514 | type, irsp->ulpCommand, |
92d7f7b0 JS |
3515 | irsp->ulpStatus, |
3516 | irsp->ulpIoTag, | |
3517 | irsp->ulpContext); | |
dea3101e JB |
3518 | } |
3519 | break; | |
3520 | } | |
3521 | ||
3522 | /* | |
3523 | * The response IOCB has been processed. Update the ring | |
3524 | * pointer in SLIM. If the port response put pointer has not | |
3525 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
3526 | * response put pointer. | |
3527 | */ | |
7e56aa25 JS |
3528 | writel(pring->sli.sli3.rspidx, |
3529 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3530 | |
7e56aa25 | 3531 | if (pring->sli.sli3.rspidx == portRspPut) |
dea3101e JB |
3532 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3533 | } | |
3534 | ||
3535 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
3536 | pring->stats.iocb_rsp_full++; | |
3537 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3538 | writel(status, phba->CAregaddr); | |
3539 | readl(phba->CAregaddr); | |
3540 | } | |
3541 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3542 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3543 | pring->stats.iocb_cmd_empty++; | |
3544 | ||
3545 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3546 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3547 | lpfc_sli_resume_iocb(phba, pring); |
3548 | ||
3549 | if ((pring->lpfc_sli_cmd_available)) | |
3550 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3551 | ||
3552 | } | |
3553 | ||
45ed1190 | 3554 | phba->fcp_ring_in_use = 0; |
2e0fef85 | 3555 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3556 | return rc; |
3557 | } | |
3558 | ||
e59058c4 | 3559 | /** |
3772a991 JS |
3560 | * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb |
3561 | * @phba: Pointer to HBA context object. | |
3562 | * @pring: Pointer to driver SLI ring object. | |
3563 | * @rspiocbp: Pointer to driver response IOCB object. | |
3564 | * | |
3565 | * This function is called from the worker thread when there is a slow-path | |
3566 | * response IOCB to process. This function chains all the response iocbs until | |
3567 | * seeing the iocb with the LE bit set. The function will call | |
3568 | * lpfc_sli_process_sol_iocb function if the response iocb indicates a | |
3569 | * completion of a command iocb. The function will call the | |
3570 | * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb. | |
3571 | * The function frees the resources or calls the completion handler if this | |
3572 | * iocb is an abort completion. The function returns NULL when the response | |
3573 | * iocb has the LE bit set and all the chained iocbs are processed, otherwise | |
3574 | * this function shall chain the iocb on to the iocb_continueq and return the | |
3575 | * response iocb passed in. | |
3576 | **/ | |
3577 | static struct lpfc_iocbq * | |
3578 | lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3579 | struct lpfc_iocbq *rspiocbp) | |
3580 | { | |
3581 | struct lpfc_iocbq *saveq; | |
3582 | struct lpfc_iocbq *cmdiocbp; | |
3583 | struct lpfc_iocbq *next_iocb; | |
3584 | IOCB_t *irsp = NULL; | |
3585 | uint32_t free_saveq; | |
3586 | uint8_t iocb_cmd_type; | |
3587 | lpfc_iocb_type type; | |
3588 | unsigned long iflag; | |
3589 | int rc; | |
3590 | ||
3591 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3592 | /* First add the response iocb to the countinueq list */ | |
3593 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); | |
3594 | pring->iocb_continueq_cnt++; | |
3595 | ||
70f23fd6 | 3596 | /* Now, determine whether the list is completed for processing */ |
3772a991 JS |
3597 | irsp = &rspiocbp->iocb; |
3598 | if (irsp->ulpLe) { | |
3599 | /* | |
3600 | * By default, the driver expects to free all resources | |
3601 | * associated with this iocb completion. | |
3602 | */ | |
3603 | free_saveq = 1; | |
3604 | saveq = list_get_first(&pring->iocb_continueq, | |
3605 | struct lpfc_iocbq, list); | |
3606 | irsp = &(saveq->iocb); | |
3607 | list_del_init(&pring->iocb_continueq); | |
3608 | pring->iocb_continueq_cnt = 0; | |
3609 | ||
3610 | pring->stats.iocb_rsp++; | |
3611 | ||
3612 | /* | |
3613 | * If resource errors reported from HBA, reduce | |
3614 | * queuedepths of the SCSI device. | |
3615 | */ | |
3616 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3617 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3618 | IOERR_NO_RESOURCES)) { | |
3772a991 JS |
3619 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3620 | phba->lpfc_rampdown_queue_depth(phba); | |
3621 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3622 | } | |
3623 | ||
3624 | if (irsp->ulpStatus) { | |
3625 | /* Rsp ring <ringno> error: IOCB */ | |
3626 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
3627 | "0328 Rsp Ring %d error: " | |
3628 | "IOCB Data: " | |
3629 | "x%x x%x x%x x%x " | |
3630 | "x%x x%x x%x x%x " | |
3631 | "x%x x%x x%x x%x " | |
3632 | "x%x x%x x%x x%x\n", | |
3633 | pring->ringno, | |
3634 | irsp->un.ulpWord[0], | |
3635 | irsp->un.ulpWord[1], | |
3636 | irsp->un.ulpWord[2], | |
3637 | irsp->un.ulpWord[3], | |
3638 | irsp->un.ulpWord[4], | |
3639 | irsp->un.ulpWord[5], | |
3640 | *(((uint32_t *) irsp) + 6), | |
3641 | *(((uint32_t *) irsp) + 7), | |
3642 | *(((uint32_t *) irsp) + 8), | |
3643 | *(((uint32_t *) irsp) + 9), | |
3644 | *(((uint32_t *) irsp) + 10), | |
3645 | *(((uint32_t *) irsp) + 11), | |
3646 | *(((uint32_t *) irsp) + 12), | |
3647 | *(((uint32_t *) irsp) + 13), | |
3648 | *(((uint32_t *) irsp) + 14), | |
3649 | *(((uint32_t *) irsp) + 15)); | |
3650 | } | |
3651 | ||
3652 | /* | |
3653 | * Fetch the IOCB command type and call the correct completion | |
3654 | * routine. Solicited and Unsolicited IOCBs on the ELS ring | |
3655 | * get freed back to the lpfc_iocb_list by the discovery | |
3656 | * kernel thread. | |
3657 | */ | |
3658 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
3659 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
3660 | switch (type) { | |
3661 | case LPFC_SOL_IOCB: | |
3662 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3663 | rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); | |
3664 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3665 | break; | |
3666 | ||
3667 | case LPFC_UNSOL_IOCB: | |
3668 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3669 | rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); | |
3670 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3671 | if (!rc) | |
3672 | free_saveq = 0; | |
3673 | break; | |
3674 | ||
3675 | case LPFC_ABORT_IOCB: | |
3676 | cmdiocbp = NULL; | |
e2a8be56 JS |
3677 | if (irsp->ulpCommand != CMD_XRI_ABORTED_CX) { |
3678 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3772a991 JS |
3679 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, |
3680 | saveq); | |
e2a8be56 JS |
3681 | spin_lock_irqsave(&phba->hbalock, iflag); |
3682 | } | |
3772a991 JS |
3683 | if (cmdiocbp) { |
3684 | /* Call the specified completion routine */ | |
3685 | if (cmdiocbp->iocb_cmpl) { | |
3686 | spin_unlock_irqrestore(&phba->hbalock, | |
3687 | iflag); | |
3688 | (cmdiocbp->iocb_cmpl)(phba, cmdiocbp, | |
3689 | saveq); | |
3690 | spin_lock_irqsave(&phba->hbalock, | |
3691 | iflag); | |
3692 | } else | |
3693 | __lpfc_sli_release_iocbq(phba, | |
3694 | cmdiocbp); | |
3695 | } | |
3696 | break; | |
3697 | ||
3698 | case LPFC_UNKNOWN_IOCB: | |
3699 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3700 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3701 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3702 | memcpy(&adaptermsg[0], (uint8_t *)irsp, | |
3703 | MAX_MSG_DATA); | |
3704 | dev_warn(&((phba->pcidev)->dev), | |
3705 | "lpfc%d: %s\n", | |
3706 | phba->brd_no, adaptermsg); | |
3707 | } else { | |
3708 | /* Unknown IOCB command */ | |
3709 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3710 | "0335 Unknown IOCB " | |
3711 | "command Data: x%x " | |
3712 | "x%x x%x x%x\n", | |
3713 | irsp->ulpCommand, | |
3714 | irsp->ulpStatus, | |
3715 | irsp->ulpIoTag, | |
3716 | irsp->ulpContext); | |
3717 | } | |
3718 | break; | |
3719 | } | |
3720 | ||
3721 | if (free_saveq) { | |
3722 | list_for_each_entry_safe(rspiocbp, next_iocb, | |
3723 | &saveq->list, list) { | |
61f35bff | 3724 | list_del_init(&rspiocbp->list); |
3772a991 JS |
3725 | __lpfc_sli_release_iocbq(phba, rspiocbp); |
3726 | } | |
3727 | __lpfc_sli_release_iocbq(phba, saveq); | |
3728 | } | |
3729 | rspiocbp = NULL; | |
3730 | } | |
3731 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3732 | return rspiocbp; | |
3733 | } | |
3734 | ||
3735 | /** | |
3736 | * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs | |
e59058c4 JS |
3737 | * @phba: Pointer to HBA context object. |
3738 | * @pring: Pointer to driver SLI ring object. | |
3739 | * @mask: Host attention register mask for this ring. | |
3740 | * | |
3772a991 JS |
3741 | * This routine wraps the actual slow_ring event process routine from the |
3742 | * API jump table function pointer from the lpfc_hba struct. | |
e59058c4 | 3743 | **/ |
3772a991 | 3744 | void |
2e0fef85 JS |
3745 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
3746 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3772a991 JS |
3747 | { |
3748 | phba->lpfc_sli_handle_slow_ring_event(phba, pring, mask); | |
3749 | } | |
3750 | ||
3751 | /** | |
3752 | * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings | |
3753 | * @phba: Pointer to HBA context object. | |
3754 | * @pring: Pointer to driver SLI ring object. | |
3755 | * @mask: Host attention register mask for this ring. | |
3756 | * | |
3757 | * This function is called from the worker thread when there is a ring event | |
3758 | * for non-fcp rings. The caller does not hold any lock. The function will | |
3759 | * remove each response iocb in the response ring and calls the handle | |
3760 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3761 | **/ | |
3762 | static void | |
3763 | lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba *phba, | |
3764 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3765 | { |
34b02dcd | 3766 | struct lpfc_pgp *pgp; |
dea3101e JB |
3767 | IOCB_t *entry; |
3768 | IOCB_t *irsp = NULL; | |
3769 | struct lpfc_iocbq *rspiocbp = NULL; | |
dea3101e | 3770 | uint32_t portRspPut, portRspMax; |
dea3101e | 3771 | unsigned long iflag; |
3772a991 | 3772 | uint32_t status; |
dea3101e | 3773 | |
34b02dcd | 3774 | pgp = &phba->port_gp[pring->ringno]; |
2e0fef85 | 3775 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3776 | pring->stats.iocb_event++; |
3777 | ||
dea3101e JB |
3778 | /* |
3779 | * The next available response entry should never exceed the maximum | |
3780 | * entries. If it does, treat it as an adapter hardware error. | |
3781 | */ | |
7e56aa25 | 3782 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3783 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3784 | if (portRspPut >= portRspMax) { | |
3785 | /* | |
025dfdaf | 3786 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
dea3101e JB |
3787 | * rsp ring <portRspMax> |
3788 | */ | |
ed957684 | 3789 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 3790 | "0303 Ring %d handler: portRspPut %d " |
025dfdaf | 3791 | "is bigger than rsp ring %d\n", |
e8b62011 | 3792 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 3793 | |
2e0fef85 JS |
3794 | phba->link_state = LPFC_HBA_ERROR; |
3795 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e JB |
3796 | |
3797 | phba->work_hs = HS_FFER3; | |
3798 | lpfc_handle_eratt(phba); | |
3799 | ||
3772a991 | 3800 | return; |
dea3101e JB |
3801 | } |
3802 | ||
3803 | rmb(); | |
7e56aa25 | 3804 | while (pring->sli.sli3.rspidx != portRspPut) { |
dea3101e JB |
3805 | /* |
3806 | * Build a completion list and call the appropriate handler. | |
3807 | * The process is to get the next available response iocb, get | |
3808 | * a free iocb from the list, copy the response data into the | |
3809 | * free iocb, insert to the continuation list, and update the | |
3810 | * next response index to slim. This process makes response | |
3811 | * iocb's in the ring available to DMA as fast as possible but | |
3812 | * pays a penalty for a copy operation. Since the iocb is | |
3813 | * only 32 bytes, this penalty is considered small relative to | |
3814 | * the PCI reads for register values and a slim write. When | |
3815 | * the ulpLe field is set, the entire Command has been | |
3816 | * received. | |
3817 | */ | |
ed957684 JS |
3818 | entry = lpfc_resp_iocb(phba, pring); |
3819 | ||
858c9f6c | 3820 | phba->last_completion_time = jiffies; |
2e0fef85 | 3821 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
3822 | if (rspiocbp == NULL) { |
3823 | printk(KERN_ERR "%s: out of buffers! Failing " | |
cadbd4a5 | 3824 | "completion.\n", __func__); |
dea3101e JB |
3825 | break; |
3826 | } | |
3827 | ||
ed957684 JS |
3828 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
3829 | phba->iocb_rsp_size); | |
dea3101e JB |
3830 | irsp = &rspiocbp->iocb; |
3831 | ||
7e56aa25 JS |
3832 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3833 | pring->sli.sli3.rspidx = 0; | |
dea3101e | 3834 | |
a58cbd52 JS |
3835 | if (pring->ringno == LPFC_ELS_RING) { |
3836 | lpfc_debugfs_slow_ring_trc(phba, | |
3837 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
3838 | *(((uint32_t *) irsp) + 4), | |
3839 | *(((uint32_t *) irsp) + 6), | |
3840 | *(((uint32_t *) irsp) + 7)); | |
3841 | } | |
3842 | ||
7e56aa25 JS |
3843 | writel(pring->sli.sli3.rspidx, |
3844 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3845 | |
3772a991 JS |
3846 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3847 | /* Handle the response IOCB */ | |
3848 | rspiocbp = lpfc_sli_sp_handle_rspiocb(phba, pring, rspiocbp); | |
3849 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e JB |
3850 | |
3851 | /* | |
3852 | * If the port response put pointer has not been updated, sync | |
3853 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
3854 | * response put pointer. | |
3855 | */ | |
7e56aa25 | 3856 | if (pring->sli.sli3.rspidx == portRspPut) { |
dea3101e JB |
3857 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3858 | } | |
7e56aa25 | 3859 | } /* while (pring->sli.sli3.rspidx != portRspPut) */ |
dea3101e | 3860 | |
92d7f7b0 | 3861 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e JB |
3862 | /* At least one response entry has been freed */ |
3863 | pring->stats.iocb_rsp_full++; | |
3864 | /* SET RxRE_RSP in Chip Att register */ | |
3865 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3866 | writel(status, phba->CAregaddr); | |
3867 | readl(phba->CAregaddr); /* flush */ | |
3868 | } | |
3869 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3870 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3871 | pring->stats.iocb_cmd_empty++; | |
3872 | ||
3873 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3874 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3875 | lpfc_sli_resume_iocb(phba, pring); |
3876 | ||
3877 | if ((pring->lpfc_sli_cmd_available)) | |
3878 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3879 | ||
3880 | } | |
3881 | ||
2e0fef85 | 3882 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3883 | return; |
dea3101e JB |
3884 | } |
3885 | ||
4f774513 JS |
3886 | /** |
3887 | * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events | |
3888 | * @phba: Pointer to HBA context object. | |
3889 | * @pring: Pointer to driver SLI ring object. | |
3890 | * @mask: Host attention register mask for this ring. | |
3891 | * | |
3892 | * This function is called from the worker thread when there is a pending | |
3893 | * ELS response iocb on the driver internal slow-path response iocb worker | |
3894 | * queue. The caller does not hold any lock. The function will remove each | |
3895 | * response iocb from the response worker queue and calls the handle | |
3896 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3897 | **/ | |
3898 | static void | |
3899 | lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, | |
3900 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3901 | { | |
3902 | struct lpfc_iocbq *irspiocbq; | |
4d9ab994 JS |
3903 | struct hbq_dmabuf *dmabuf; |
3904 | struct lpfc_cq_event *cq_event; | |
4f774513 | 3905 | unsigned long iflag; |
0ef01a2d | 3906 | int count = 0; |
4f774513 | 3907 | |
45ed1190 JS |
3908 | spin_lock_irqsave(&phba->hbalock, iflag); |
3909 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
3910 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3911 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
4f774513 JS |
3912 | /* Get the response iocb from the head of work queue */ |
3913 | spin_lock_irqsave(&phba->hbalock, iflag); | |
45ed1190 | 3914 | list_remove_head(&phba->sli4_hba.sp_queue_event, |
4d9ab994 | 3915 | cq_event, struct lpfc_cq_event, list); |
4f774513 | 3916 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
4d9ab994 JS |
3917 | |
3918 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
3919 | case CQE_CODE_COMPL_WQE: | |
3920 | irspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
3921 | cq_event); | |
45ed1190 JS |
3922 | /* Translate ELS WCQE to response IOCBQ */ |
3923 | irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba, | |
3924 | irspiocbq); | |
3925 | if (irspiocbq) | |
3926 | lpfc_sli_sp_handle_rspiocb(phba, pring, | |
3927 | irspiocbq); | |
0ef01a2d | 3928 | count++; |
4d9ab994 JS |
3929 | break; |
3930 | case CQE_CODE_RECEIVE: | |
7851fe2c | 3931 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 JS |
3932 | dmabuf = container_of(cq_event, struct hbq_dmabuf, |
3933 | cq_event); | |
3934 | lpfc_sli4_handle_received_buffer(phba, dmabuf); | |
0ef01a2d | 3935 | count++; |
4d9ab994 JS |
3936 | break; |
3937 | default: | |
3938 | break; | |
3939 | } | |
0ef01a2d JS |
3940 | |
3941 | /* Limit the number of events to 64 to avoid soft lockups */ | |
3942 | if (count == 64) | |
3943 | break; | |
4f774513 JS |
3944 | } |
3945 | } | |
3946 | ||
e59058c4 | 3947 | /** |
3621a710 | 3948 | * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring |
e59058c4 JS |
3949 | * @phba: Pointer to HBA context object. |
3950 | * @pring: Pointer to driver SLI ring object. | |
3951 | * | |
3952 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3953 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3954 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3955 | * the return of this function. The caller is not required to hold any locks. | |
3956 | **/ | |
2e0fef85 | 3957 | void |
dea3101e JB |
3958 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
3959 | { | |
2534ba75 | 3960 | LIST_HEAD(completions); |
dea3101e | 3961 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 3962 | |
92d7f7b0 JS |
3963 | if (pring->ringno == LPFC_ELS_RING) { |
3964 | lpfc_fabric_abort_hba(phba); | |
3965 | } | |
3966 | ||
dea3101e JB |
3967 | /* Error everything on txq and txcmplq |
3968 | * First do the txq. | |
3969 | */ | |
db55fba8 JS |
3970 | if (phba->sli_rev >= LPFC_SLI_REV4) { |
3971 | spin_lock_irq(&pring->ring_lock); | |
3972 | list_splice_init(&pring->txq, &completions); | |
3973 | pring->txq_cnt = 0; | |
3974 | spin_unlock_irq(&pring->ring_lock); | |
dea3101e | 3975 | |
db55fba8 JS |
3976 | spin_lock_irq(&phba->hbalock); |
3977 | /* Next issue ABTS for everything on the txcmplq */ | |
3978 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3979 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3980 | spin_unlock_irq(&phba->hbalock); | |
3981 | } else { | |
3982 | spin_lock_irq(&phba->hbalock); | |
3983 | list_splice_init(&pring->txq, &completions); | |
3984 | pring->txq_cnt = 0; | |
dea3101e | 3985 | |
db55fba8 JS |
3986 | /* Next issue ABTS for everything on the txcmplq */ |
3987 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3988 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3989 | spin_unlock_irq(&phba->hbalock); | |
3990 | } | |
dea3101e | 3991 | |
a257bf90 JS |
3992 | /* Cancel all the IOCBs from the completions list */ |
3993 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3994 | IOERR_SLI_ABORTED); | |
dea3101e JB |
3995 | } |
3996 | ||
db55fba8 JS |
3997 | /** |
3998 | * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings | |
3999 | * @phba: Pointer to HBA context object. | |
4000 | * @pring: Pointer to driver SLI ring object. | |
4001 | * | |
4002 | * This function aborts all iocbs in FCP rings and frees all the iocb | |
4003 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
4004 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
4005 | * the return of this function. The caller is not required to hold any locks. | |
4006 | **/ | |
4007 | void | |
4008 | lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba) | |
4009 | { | |
4010 | struct lpfc_sli *psli = &phba->sli; | |
4011 | struct lpfc_sli_ring *pring; | |
4012 | uint32_t i; | |
4013 | ||
4014 | /* Look on all the FCP Rings for the iotag */ | |
4015 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
cdb42bec | 4016 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
c00f62e6 | 4017 | pring = phba->sli4_hba.hdwq[i].io_wq->pring; |
db55fba8 JS |
4018 | lpfc_sli_abort_iocb_ring(phba, pring); |
4019 | } | |
4020 | } else { | |
895427bd | 4021 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
db55fba8 JS |
4022 | lpfc_sli_abort_iocb_ring(phba, pring); |
4023 | } | |
4024 | } | |
4025 | ||
a8e497d5 | 4026 | /** |
c00f62e6 | 4027 | * lpfc_sli_flush_io_rings - flush all iocbs in the IO ring |
a8e497d5 JS |
4028 | * @phba: Pointer to HBA context object. |
4029 | * | |
c00f62e6 | 4030 | * This function flushes all iocbs in the IO ring and frees all the iocb |
a8e497d5 JS |
4031 | * objects in txq and txcmplq. This function will not issue abort iocbs |
4032 | * for all the iocb commands in txcmplq, they will just be returned with | |
4033 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
4034 | * slot has been permanently disabled. | |
4035 | **/ | |
4036 | void | |
c00f62e6 | 4037 | lpfc_sli_flush_io_rings(struct lpfc_hba *phba) |
a8e497d5 JS |
4038 | { |
4039 | LIST_HEAD(txq); | |
4040 | LIST_HEAD(txcmplq); | |
a8e497d5 JS |
4041 | struct lpfc_sli *psli = &phba->sli; |
4042 | struct lpfc_sli_ring *pring; | |
db55fba8 | 4043 | uint32_t i; |
c1dd9111 | 4044 | struct lpfc_iocbq *piocb, *next_iocb; |
a8e497d5 JS |
4045 | |
4046 | spin_lock_irq(&phba->hbalock); | |
4f2e66c6 | 4047 | /* Indicate the I/O queues are flushed */ |
c00f62e6 | 4048 | phba->hba_flag |= HBA_IOQ_FLUSH; |
a8e497d5 JS |
4049 | spin_unlock_irq(&phba->hbalock); |
4050 | ||
db55fba8 JS |
4051 | /* Look on all the FCP Rings for the iotag */ |
4052 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
cdb42bec | 4053 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
c00f62e6 | 4054 | pring = phba->sli4_hba.hdwq[i].io_wq->pring; |
db55fba8 JS |
4055 | |
4056 | spin_lock_irq(&pring->ring_lock); | |
4057 | /* Retrieve everything on txq */ | |
4058 | list_splice_init(&pring->txq, &txq); | |
c1dd9111 JS |
4059 | list_for_each_entry_safe(piocb, next_iocb, |
4060 | &pring->txcmplq, list) | |
4061 | piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
db55fba8 JS |
4062 | /* Retrieve everything on the txcmplq */ |
4063 | list_splice_init(&pring->txcmplq, &txcmplq); | |
4064 | pring->txq_cnt = 0; | |
4065 | pring->txcmplq_cnt = 0; | |
4066 | spin_unlock_irq(&pring->ring_lock); | |
4067 | ||
4068 | /* Flush the txq */ | |
4069 | lpfc_sli_cancel_iocbs(phba, &txq, | |
4070 | IOSTAT_LOCAL_REJECT, | |
4071 | IOERR_SLI_DOWN); | |
4072 | /* Flush the txcmpq */ | |
4073 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
4074 | IOSTAT_LOCAL_REJECT, | |
4075 | IOERR_SLI_DOWN); | |
4076 | } | |
4077 | } else { | |
895427bd | 4078 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
a8e497d5 | 4079 | |
db55fba8 JS |
4080 | spin_lock_irq(&phba->hbalock); |
4081 | /* Retrieve everything on txq */ | |
4082 | list_splice_init(&pring->txq, &txq); | |
c1dd9111 JS |
4083 | list_for_each_entry_safe(piocb, next_iocb, |
4084 | &pring->txcmplq, list) | |
4085 | piocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
db55fba8 JS |
4086 | /* Retrieve everything on the txcmplq */ |
4087 | list_splice_init(&pring->txcmplq, &txcmplq); | |
4088 | pring->txq_cnt = 0; | |
4089 | pring->txcmplq_cnt = 0; | |
4090 | spin_unlock_irq(&phba->hbalock); | |
4091 | ||
4092 | /* Flush the txq */ | |
4093 | lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, | |
4094 | IOERR_SLI_DOWN); | |
4095 | /* Flush the txcmpq */ | |
4096 | lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, | |
4097 | IOERR_SLI_DOWN); | |
4098 | } | |
a8e497d5 JS |
4099 | } |
4100 | ||
e59058c4 | 4101 | /** |
3772a991 | 4102 | * lpfc_sli_brdready_s3 - Check for sli3 host ready status |
e59058c4 JS |
4103 | * @phba: Pointer to HBA context object. |
4104 | * @mask: Bit mask to be checked. | |
4105 | * | |
4106 | * This function reads the host status register and compares | |
4107 | * with the provided bit mask to check if HBA completed | |
4108 | * the restart. This function will wait in a loop for the | |
4109 | * HBA to complete restart. If the HBA does not restart within | |
4110 | * 15 iterations, the function will reset the HBA again. The | |
4111 | * function returns 1 when HBA fail to restart otherwise returns | |
4112 | * zero. | |
4113 | **/ | |
3772a991 JS |
4114 | static int |
4115 | lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask) | |
dea3101e | 4116 | { |
41415862 JW |
4117 | uint32_t status; |
4118 | int i = 0; | |
4119 | int retval = 0; | |
dea3101e | 4120 | |
41415862 | 4121 | /* Read the HBA Host Status Register */ |
9940b97b JS |
4122 | if (lpfc_readl(phba->HSregaddr, &status)) |
4123 | return 1; | |
dea3101e | 4124 | |
41415862 JW |
4125 | /* |
4126 | * Check status register every 100ms for 5 retries, then every | |
4127 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
4128 | * every 2.5 sec for 4. | |
4129 | * Break our of the loop if errors occurred during init. | |
4130 | */ | |
4131 | while (((status & mask) != mask) && | |
4132 | !(status & HS_FFERM) && | |
4133 | i++ < 20) { | |
dea3101e | 4134 | |
41415862 JW |
4135 | if (i <= 5) |
4136 | msleep(10); | |
4137 | else if (i <= 10) | |
4138 | msleep(500); | |
4139 | else | |
4140 | msleep(2500); | |
dea3101e | 4141 | |
41415862 | 4142 | if (i == 15) { |
2e0fef85 | 4143 | /* Do post */ |
92d7f7b0 | 4144 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
4145 | lpfc_sli_brdrestart(phba); |
4146 | } | |
4147 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4148 | if (lpfc_readl(phba->HSregaddr, &status)) { |
4149 | retval = 1; | |
4150 | break; | |
4151 | } | |
41415862 | 4152 | } |
dea3101e | 4153 | |
41415862 JW |
4154 | /* Check to see if any errors occurred during init */ |
4155 | if ((status & HS_FFERM) || (i >= 20)) { | |
e40a02c1 JS |
4156 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4157 | "2751 Adapter failed to restart, " | |
4158 | "status reg x%x, FW Data: A8 x%x AC x%x\n", | |
4159 | status, | |
4160 | readl(phba->MBslimaddr + 0xa8), | |
4161 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4162 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4163 | retval = 1; |
dea3101e | 4164 | } |
dea3101e | 4165 | |
41415862 JW |
4166 | return retval; |
4167 | } | |
dea3101e | 4168 | |
da0436e9 JS |
4169 | /** |
4170 | * lpfc_sli_brdready_s4 - Check for sli4 host ready status | |
4171 | * @phba: Pointer to HBA context object. | |
4172 | * @mask: Bit mask to be checked. | |
4173 | * | |
4174 | * This function checks the host status register to check if HBA is | |
4175 | * ready. This function will wait in a loop for the HBA to be ready | |
4176 | * If the HBA is not ready , the function will will reset the HBA PCI | |
4177 | * function again. The function returns 1 when HBA fail to be ready | |
4178 | * otherwise returns zero. | |
4179 | **/ | |
4180 | static int | |
4181 | lpfc_sli_brdready_s4(struct lpfc_hba *phba, uint32_t mask) | |
4182 | { | |
4183 | uint32_t status; | |
4184 | int retval = 0; | |
4185 | ||
4186 | /* Read the HBA Host Status Register */ | |
4187 | status = lpfc_sli4_post_status_check(phba); | |
4188 | ||
4189 | if (status) { | |
4190 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
4191 | lpfc_sli_brdrestart(phba); | |
4192 | status = lpfc_sli4_post_status_check(phba); | |
4193 | } | |
4194 | ||
4195 | /* Check to see if any errors occurred during init */ | |
4196 | if (status) { | |
4197 | phba->link_state = LPFC_HBA_ERROR; | |
4198 | retval = 1; | |
4199 | } else | |
4200 | phba->sli4_hba.intr_enable = 0; | |
4201 | ||
4202 | return retval; | |
4203 | } | |
4204 | ||
4205 | /** | |
4206 | * lpfc_sli_brdready - Wrapper func for checking the hba readyness | |
4207 | * @phba: Pointer to HBA context object. | |
4208 | * @mask: Bit mask to be checked. | |
4209 | * | |
4210 | * This routine wraps the actual SLI3 or SLI4 hba readyness check routine | |
4211 | * from the API jump table function pointer from the lpfc_hba struct. | |
4212 | **/ | |
4213 | int | |
4214 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) | |
4215 | { | |
4216 | return phba->lpfc_sli_brdready(phba, mask); | |
4217 | } | |
4218 | ||
9290831f JS |
4219 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
4220 | ||
e59058c4 | 4221 | /** |
3621a710 | 4222 | * lpfc_reset_barrier - Make HBA ready for HBA reset |
e59058c4 JS |
4223 | * @phba: Pointer to HBA context object. |
4224 | * | |
1b51197d JS |
4225 | * This function is called before resetting an HBA. This function is called |
4226 | * with hbalock held and requests HBA to quiesce DMAs before a reset. | |
e59058c4 | 4227 | **/ |
2e0fef85 | 4228 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 4229 | { |
65a29c16 JS |
4230 | uint32_t __iomem *resp_buf; |
4231 | uint32_t __iomem *mbox_buf; | |
9290831f | 4232 | volatile uint32_t mbox; |
9940b97b | 4233 | uint32_t hc_copy, ha_copy, resp_data; |
9290831f JS |
4234 | int i; |
4235 | uint8_t hdrtype; | |
4236 | ||
1c2ba475 JT |
4237 | lockdep_assert_held(&phba->hbalock); |
4238 | ||
9290831f JS |
4239 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
4240 | if (hdrtype != 0x80 || | |
4241 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
4242 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
4243 | return; | |
4244 | ||
4245 | /* | |
4246 | * Tell the other part of the chip to suspend temporarily all | |
4247 | * its DMA activity. | |
4248 | */ | |
65a29c16 | 4249 | resp_buf = phba->MBslimaddr; |
9290831f JS |
4250 | |
4251 | /* Disable the error attention */ | |
9940b97b JS |
4252 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
4253 | return; | |
9290831f JS |
4254 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
4255 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 4256 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f | 4257 | |
9940b97b JS |
4258 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4259 | return; | |
4260 | if (ha_copy & HA_ERATT) { | |
9290831f JS |
4261 | /* Clear Chip error bit */ |
4262 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4263 | phba->pport->stopped = 1; |
9290831f JS |
4264 | } |
4265 | ||
4266 | mbox = 0; | |
4267 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
4268 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
4269 | ||
4270 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 4271 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
4272 | writel(mbox, mbox_buf); |
4273 | ||
9940b97b JS |
4274 | for (i = 0; i < 50; i++) { |
4275 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4276 | return; | |
4277 | if (resp_data != ~(BARRIER_TEST_PATTERN)) | |
4278 | mdelay(1); | |
4279 | else | |
4280 | break; | |
4281 | } | |
4282 | resp_data = 0; | |
4283 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4284 | return; | |
4285 | if (resp_data != ~(BARRIER_TEST_PATTERN)) { | |
f4b4c68f | 4286 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE || |
2e0fef85 | 4287 | phba->pport->stopped) |
9290831f JS |
4288 | goto restore_hc; |
4289 | else | |
4290 | goto clear_errat; | |
4291 | } | |
4292 | ||
4293 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
9940b97b JS |
4294 | resp_data = 0; |
4295 | for (i = 0; i < 500; i++) { | |
4296 | if (lpfc_readl(resp_buf, &resp_data)) | |
4297 | return; | |
4298 | if (resp_data != mbox) | |
4299 | mdelay(1); | |
4300 | else | |
4301 | break; | |
4302 | } | |
9290831f JS |
4303 | |
4304 | clear_errat: | |
4305 | ||
9940b97b JS |
4306 | while (++i < 500) { |
4307 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) | |
4308 | return; | |
4309 | if (!(ha_copy & HA_ERATT)) | |
4310 | mdelay(1); | |
4311 | else | |
4312 | break; | |
4313 | } | |
9290831f JS |
4314 | |
4315 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
4316 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4317 | phba->pport->stopped = 1; |
9290831f JS |
4318 | } |
4319 | ||
4320 | restore_hc: | |
2e0fef85 | 4321 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
4322 | writel(hc_copy, phba->HCregaddr); |
4323 | readl(phba->HCregaddr); /* flush */ | |
4324 | } | |
4325 | ||
e59058c4 | 4326 | /** |
3621a710 | 4327 | * lpfc_sli_brdkill - Issue a kill_board mailbox command |
e59058c4 JS |
4328 | * @phba: Pointer to HBA context object. |
4329 | * | |
4330 | * This function issues a kill_board mailbox command and waits for | |
4331 | * the error attention interrupt. This function is called for stopping | |
4332 | * the firmware processing. The caller is not required to hold any | |
4333 | * locks. This function calls lpfc_hba_down_post function to free | |
4334 | * any pending commands after the kill. The function will return 1 when it | |
4335 | * fails to kill the board else will return 0. | |
4336 | **/ | |
41415862 | 4337 | int |
2e0fef85 | 4338 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
4339 | { |
4340 | struct lpfc_sli *psli; | |
4341 | LPFC_MBOXQ_t *pmb; | |
4342 | uint32_t status; | |
4343 | uint32_t ha_copy; | |
4344 | int retval; | |
4345 | int i = 0; | |
dea3101e | 4346 | |
41415862 | 4347 | psli = &phba->sli; |
dea3101e | 4348 | |
41415862 | 4349 | /* Kill HBA */ |
ed957684 | 4350 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
4351 | "0329 Kill HBA Data: x%x x%x\n", |
4352 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 4353 | |
98c9ea5c JS |
4354 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4355 | if (!pmb) | |
41415862 | 4356 | return 1; |
41415862 JW |
4357 | |
4358 | /* Disable the error attention */ | |
2e0fef85 | 4359 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
4360 | if (lpfc_readl(phba->HCregaddr, &status)) { |
4361 | spin_unlock_irq(&phba->hbalock); | |
4362 | mempool_free(pmb, phba->mbox_mem_pool); | |
4363 | return 1; | |
4364 | } | |
41415862 JW |
4365 | status &= ~HC_ERINT_ENA; |
4366 | writel(status, phba->HCregaddr); | |
4367 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
4368 | phba->link_flag |= LS_IGNORE_ERATT; |
4369 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4370 | |
4371 | lpfc_kill_board(phba, pmb); | |
4372 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4373 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4374 | ||
4375 | if (retval != MBX_SUCCESS) { | |
4376 | if (retval != MBX_BUSY) | |
4377 | mempool_free(pmb, phba->mbox_mem_pool); | |
e40a02c1 JS |
4378 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4379 | "2752 KILL_BOARD command failed retval %d\n", | |
4380 | retval); | |
2e0fef85 JS |
4381 | spin_lock_irq(&phba->hbalock); |
4382 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
4383 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4384 | return 1; |
4385 | } | |
4386 | ||
f4b4c68f JS |
4387 | spin_lock_irq(&phba->hbalock); |
4388 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
4389 | spin_unlock_irq(&phba->hbalock); | |
9290831f | 4390 | |
41415862 JW |
4391 | mempool_free(pmb, phba->mbox_mem_pool); |
4392 | ||
4393 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
4394 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
4395 | * 3 seconds we still set HBA_ERROR state because the status of the | |
4396 | * board is now undefined. | |
4397 | */ | |
9940b97b JS |
4398 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4399 | return 1; | |
41415862 JW |
4400 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
4401 | mdelay(100); | |
9940b97b JS |
4402 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4403 | return 1; | |
41415862 JW |
4404 | } |
4405 | ||
4406 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
4407 | if (ha_copy & HA_ERATT) { |
4408 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4409 | phba->pport->stopped = 1; |
9290831f | 4410 | } |
2e0fef85 | 4411 | spin_lock_irq(&phba->hbalock); |
41415862 | 4412 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
04c68496 | 4413 | psli->mbox_active = NULL; |
2e0fef85 JS |
4414 | phba->link_flag &= ~LS_IGNORE_ERATT; |
4415 | spin_unlock_irq(&phba->hbalock); | |
41415862 | 4416 | |
41415862 | 4417 | lpfc_hba_down_post(phba); |
2e0fef85 | 4418 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4419 | |
2e0fef85 | 4420 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e JB |
4421 | } |
4422 | ||
e59058c4 | 4423 | /** |
3772a991 | 4424 | * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA |
e59058c4 JS |
4425 | * @phba: Pointer to HBA context object. |
4426 | * | |
4427 | * This function resets the HBA by writing HC_INITFF to the control | |
4428 | * register. After the HBA resets, this function resets all the iocb ring | |
4429 | * indices. This function disables PCI layer parity checking during | |
4430 | * the reset. | |
4431 | * This function returns 0 always. | |
4432 | * The caller is not required to hold any locks. | |
4433 | **/ | |
41415862 | 4434 | int |
2e0fef85 | 4435 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 4436 | { |
41415862 | 4437 | struct lpfc_sli *psli; |
dea3101e | 4438 | struct lpfc_sli_ring *pring; |
41415862 | 4439 | uint16_t cfg_value; |
dea3101e | 4440 | int i; |
dea3101e | 4441 | |
41415862 | 4442 | psli = &phba->sli; |
dea3101e | 4443 | |
41415862 JW |
4444 | /* Reset HBA */ |
4445 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4446 | "0325 Reset HBA Data: x%x x%x\n", |
4492b739 JS |
4447 | (phba->pport) ? phba->pport->port_state : 0, |
4448 | psli->sli_flag); | |
dea3101e JB |
4449 | |
4450 | /* perform board reset */ | |
4451 | phba->fc_eventTag = 0; | |
4d9ab994 | 4452 | phba->link_events = 0; |
4492b739 JS |
4453 | if (phba->pport) { |
4454 | phba->pport->fc_myDID = 0; | |
4455 | phba->pport->fc_prevDID = 0; | |
4456 | } | |
dea3101e | 4457 | |
41415862 | 4458 | /* Turn off parity checking and serr during the physical reset */ |
32a93100 JS |
4459 | if (pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value)) |
4460 | return -EIO; | |
4461 | ||
41415862 JW |
4462 | pci_write_config_word(phba->pcidev, PCI_COMMAND, |
4463 | (cfg_value & | |
4464 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4465 | ||
3772a991 JS |
4466 | psli->sli_flag &= ~(LPFC_SLI_ACTIVE | LPFC_PROCESS_LA); |
4467 | ||
41415862 JW |
4468 | /* Now toggle INITFF bit in the Host Control Register */ |
4469 | writel(HC_INITFF, phba->HCregaddr); | |
4470 | mdelay(1); | |
4471 | readl(phba->HCregaddr); /* flush */ | |
4472 | writel(0, phba->HCregaddr); | |
4473 | readl(phba->HCregaddr); /* flush */ | |
4474 | ||
4475 | /* Restore PCI cmd register */ | |
4476 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e JB |
4477 | |
4478 | /* Initialize relevant SLI info */ | |
41415862 | 4479 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 4480 | pring = &psli->sli3_ring[i]; |
dea3101e | 4481 | pring->flag = 0; |
7e56aa25 JS |
4482 | pring->sli.sli3.rspidx = 0; |
4483 | pring->sli.sli3.next_cmdidx = 0; | |
4484 | pring->sli.sli3.local_getidx = 0; | |
4485 | pring->sli.sli3.cmdidx = 0; | |
dea3101e JB |
4486 | pring->missbufcnt = 0; |
4487 | } | |
dea3101e | 4488 | |
2e0fef85 | 4489 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
4490 | return 0; |
4491 | } | |
4492 | ||
e59058c4 | 4493 | /** |
da0436e9 JS |
4494 | * lpfc_sli4_brdreset - Reset a sli-4 HBA |
4495 | * @phba: Pointer to HBA context object. | |
4496 | * | |
4497 | * This function resets a SLI4 HBA. This function disables PCI layer parity | |
4498 | * checking during resets the device. The caller is not required to hold | |
4499 | * any locks. | |
4500 | * | |
8c24a4f6 | 4501 | * This function returns 0 on success else returns negative error code. |
da0436e9 JS |
4502 | **/ |
4503 | int | |
4504 | lpfc_sli4_brdreset(struct lpfc_hba *phba) | |
4505 | { | |
4506 | struct lpfc_sli *psli = &phba->sli; | |
4507 | uint16_t cfg_value; | |
0293635e | 4508 | int rc = 0; |
da0436e9 JS |
4509 | |
4510 | /* Reset HBA */ | |
4511 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
0293635e JS |
4512 | "0295 Reset HBA Data: x%x x%x x%x\n", |
4513 | phba->pport->port_state, psli->sli_flag, | |
4514 | phba->hba_flag); | |
da0436e9 JS |
4515 | |
4516 | /* perform board reset */ | |
4517 | phba->fc_eventTag = 0; | |
4d9ab994 | 4518 | phba->link_events = 0; |
da0436e9 JS |
4519 | phba->pport->fc_myDID = 0; |
4520 | phba->pport->fc_prevDID = 0; | |
4521 | ||
da0436e9 JS |
4522 | spin_lock_irq(&phba->hbalock); |
4523 | psli->sli_flag &= ~(LPFC_PROCESS_LA); | |
4524 | phba->fcf.fcf_flag = 0; | |
da0436e9 JS |
4525 | spin_unlock_irq(&phba->hbalock); |
4526 | ||
0293635e JS |
4527 | /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */ |
4528 | if (phba->hba_flag & HBA_FW_DUMP_OP) { | |
4529 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
4530 | return rc; | |
4531 | } | |
4532 | ||
da0436e9 JS |
4533 | /* Now physically reset the device */ |
4534 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4535 | "0389 Performing PCI function reset!\n"); | |
be858b65 JS |
4536 | |
4537 | /* Turn off parity checking and serr during the physical reset */ | |
32a93100 JS |
4538 | if (pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value)) { |
4539 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4540 | "3205 PCI read Config failed\n"); | |
4541 | return -EIO; | |
4542 | } | |
4543 | ||
be858b65 JS |
4544 | pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value & |
4545 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4546 | ||
88318816 | 4547 | /* Perform FCoE PCI function reset before freeing queue memory */ |
27b01b82 | 4548 | rc = lpfc_pci_function_reset(phba); |
da0436e9 | 4549 | |
be858b65 JS |
4550 | /* Restore PCI cmd register */ |
4551 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
4552 | ||
27b01b82 | 4553 | return rc; |
da0436e9 JS |
4554 | } |
4555 | ||
4556 | /** | |
4557 | * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba | |
e59058c4 JS |
4558 | * @phba: Pointer to HBA context object. |
4559 | * | |
4560 | * This function is called in the SLI initialization code path to | |
4561 | * restart the HBA. The caller is not required to hold any lock. | |
4562 | * This function writes MBX_RESTART mailbox command to the SLIM and | |
4563 | * resets the HBA. At the end of the function, it calls lpfc_hba_down_post | |
4564 | * function to free any pending commands. The function enables | |
4565 | * POST only during the first initialization. The function returns zero. | |
4566 | * The function does not guarantee completion of MBX_RESTART mailbox | |
4567 | * command before the return of this function. | |
4568 | **/ | |
da0436e9 JS |
4569 | static int |
4570 | lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) | |
41415862 JW |
4571 | { |
4572 | MAILBOX_t *mb; | |
4573 | struct lpfc_sli *psli; | |
41415862 JW |
4574 | volatile uint32_t word0; |
4575 | void __iomem *to_slim; | |
0d878419 | 4576 | uint32_t hba_aer_enabled; |
41415862 | 4577 | |
2e0fef85 | 4578 | spin_lock_irq(&phba->hbalock); |
41415862 | 4579 | |
0d878419 JS |
4580 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4581 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4582 | ||
41415862 JW |
4583 | psli = &phba->sli; |
4584 | ||
4585 | /* Restart HBA */ | |
4586 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4587 | "0337 Restart HBA Data: x%x x%x\n", |
4492b739 JS |
4588 | (phba->pport) ? phba->pport->port_state : 0, |
4589 | psli->sli_flag); | |
41415862 JW |
4590 | |
4591 | word0 = 0; | |
4592 | mb = (MAILBOX_t *) &word0; | |
4593 | mb->mbxCommand = MBX_RESTART; | |
4594 | mb->mbxHc = 1; | |
4595 | ||
9290831f JS |
4596 | lpfc_reset_barrier(phba); |
4597 | ||
41415862 JW |
4598 | to_slim = phba->MBslimaddr; |
4599 | writel(*(uint32_t *) mb, to_slim); | |
4600 | readl(to_slim); /* flush */ | |
4601 | ||
4602 | /* Only skip post after fc_ffinit is completed */ | |
4492b739 | 4603 | if (phba->pport && phba->pport->port_state) |
41415862 | 4604 | word0 = 1; /* This is really setting up word1 */ |
eaf15d5b | 4605 | else |
41415862 | 4606 | word0 = 0; /* This is really setting up word1 */ |
65a29c16 | 4607 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
4608 | writel(*(uint32_t *) mb, to_slim); |
4609 | readl(to_slim); /* flush */ | |
dea3101e | 4610 | |
41415862 | 4611 | lpfc_sli_brdreset(phba); |
4492b739 JS |
4612 | if (phba->pport) |
4613 | phba->pport->stopped = 0; | |
2e0fef85 | 4614 | phba->link_state = LPFC_INIT_START; |
da0436e9 | 4615 | phba->hba_flag = 0; |
2e0fef85 | 4616 | spin_unlock_irq(&phba->hbalock); |
41415862 | 4617 | |
64ba8818 | 4618 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
c4d6204d | 4619 | psli->stats_start = ktime_get_seconds(); |
64ba8818 | 4620 | |
eaf15d5b JS |
4621 | /* Give the INITFF and Post time to settle. */ |
4622 | mdelay(100); | |
41415862 | 4623 | |
0d878419 JS |
4624 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4625 | if (hba_aer_enabled) | |
4626 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4627 | ||
41415862 | 4628 | lpfc_hba_down_post(phba); |
dea3101e JB |
4629 | |
4630 | return 0; | |
4631 | } | |
4632 | ||
da0436e9 JS |
4633 | /** |
4634 | * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba | |
4635 | * @phba: Pointer to HBA context object. | |
4636 | * | |
4637 | * This function is called in the SLI initialization code path to restart | |
4638 | * a SLI4 HBA. The caller is not required to hold any lock. | |
4639 | * At the end of the function, it calls lpfc_hba_down_post function to | |
4640 | * free any pending commands. | |
4641 | **/ | |
4642 | static int | |
4643 | lpfc_sli_brdrestart_s4(struct lpfc_hba *phba) | |
4644 | { | |
4645 | struct lpfc_sli *psli = &phba->sli; | |
75baf696 | 4646 | uint32_t hba_aer_enabled; |
27b01b82 | 4647 | int rc; |
da0436e9 JS |
4648 | |
4649 | /* Restart HBA */ | |
4650 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4651 | "0296 Restart HBA Data: x%x x%x\n", | |
4652 | phba->pport->port_state, psli->sli_flag); | |
4653 | ||
75baf696 JS |
4654 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4655 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4656 | ||
27b01b82 | 4657 | rc = lpfc_sli4_brdreset(phba); |
4fb86a6b JS |
4658 | if (rc) { |
4659 | phba->link_state = LPFC_HBA_ERROR; | |
4660 | goto hba_down_queue; | |
4661 | } | |
da0436e9 JS |
4662 | |
4663 | spin_lock_irq(&phba->hbalock); | |
4664 | phba->pport->stopped = 0; | |
4665 | phba->link_state = LPFC_INIT_START; | |
4666 | phba->hba_flag = 0; | |
4667 | spin_unlock_irq(&phba->hbalock); | |
4668 | ||
4669 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); | |
c4d6204d | 4670 | psli->stats_start = ktime_get_seconds(); |
da0436e9 | 4671 | |
75baf696 JS |
4672 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4673 | if (hba_aer_enabled) | |
4674 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4675 | ||
4fb86a6b | 4676 | hba_down_queue: |
da0436e9 | 4677 | lpfc_hba_down_post(phba); |
569dbe84 | 4678 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 4679 | |
27b01b82 | 4680 | return rc; |
da0436e9 JS |
4681 | } |
4682 | ||
4683 | /** | |
4684 | * lpfc_sli_brdrestart - Wrapper func for restarting hba | |
4685 | * @phba: Pointer to HBA context object. | |
4686 | * | |
4687 | * This routine wraps the actual SLI3 or SLI4 hba restart routine from the | |
4688 | * API jump table function pointer from the lpfc_hba struct. | |
4689 | **/ | |
4690 | int | |
4691 | lpfc_sli_brdrestart(struct lpfc_hba *phba) | |
4692 | { | |
4693 | return phba->lpfc_sli_brdrestart(phba); | |
4694 | } | |
4695 | ||
e59058c4 | 4696 | /** |
3621a710 | 4697 | * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart |
e59058c4 JS |
4698 | * @phba: Pointer to HBA context object. |
4699 | * | |
4700 | * This function is called after a HBA restart to wait for successful | |
4701 | * restart of the HBA. Successful restart of the HBA is indicated by | |
4702 | * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15 | |
4703 | * iteration, the function will restart the HBA again. The function returns | |
4704 | * zero if HBA successfully restarted else returns negative error code. | |
4705 | **/ | |
4492b739 | 4706 | int |
dea3101e JB |
4707 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
4708 | { | |
4709 | uint32_t status, i = 0; | |
4710 | ||
4711 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4712 | if (lpfc_readl(phba->HSregaddr, &status)) |
4713 | return -EIO; | |
dea3101e JB |
4714 | |
4715 | /* Check status register to see what current state is */ | |
4716 | i = 0; | |
4717 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
4718 | ||
dcf2a4e0 JS |
4719 | /* Check every 10ms for 10 retries, then every 100ms for 90 |
4720 | * retries, then every 1 sec for 50 retires for a total of | |
4721 | * ~60 seconds before reset the board again and check every | |
4722 | * 1 sec for 50 retries. The up to 60 seconds before the | |
4723 | * board ready is required by the Falcon FIPS zeroization | |
4724 | * complete, and any reset the board in between shall cause | |
4725 | * restart of zeroization, further delay the board ready. | |
dea3101e | 4726 | */ |
dcf2a4e0 | 4727 | if (i++ >= 200) { |
dea3101e JB |
4728 | /* Adapter failed to init, timeout, status reg |
4729 | <status> */ | |
ed957684 | 4730 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4731 | "0436 Adapter failed to init, " |
09372820 JS |
4732 | "timeout, status reg x%x, " |
4733 | "FW Data: A8 x%x AC x%x\n", status, | |
4734 | readl(phba->MBslimaddr + 0xa8), | |
4735 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4736 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4737 | return -ETIMEDOUT; |
4738 | } | |
4739 | ||
4740 | /* Check to see if any errors occurred during init */ | |
4741 | if (status & HS_FFERM) { | |
4742 | /* ERROR: During chipset initialization */ | |
4743 | /* Adapter failed to init, chipset, status reg | |
4744 | <status> */ | |
ed957684 | 4745 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4746 | "0437 Adapter failed to init, " |
09372820 JS |
4747 | "chipset, status reg x%x, " |
4748 | "FW Data: A8 x%x AC x%x\n", status, | |
4749 | readl(phba->MBslimaddr + 0xa8), | |
4750 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4751 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4752 | return -EIO; |
4753 | } | |
4754 | ||
dcf2a4e0 | 4755 | if (i <= 10) |
dea3101e | 4756 | msleep(10); |
dcf2a4e0 JS |
4757 | else if (i <= 100) |
4758 | msleep(100); | |
4759 | else | |
4760 | msleep(1000); | |
dea3101e | 4761 | |
dcf2a4e0 JS |
4762 | if (i == 150) { |
4763 | /* Do post */ | |
92d7f7b0 | 4764 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4765 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4766 | } |
4767 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4768 | if (lpfc_readl(phba->HSregaddr, &status)) |
4769 | return -EIO; | |
dea3101e JB |
4770 | } |
4771 | ||
4772 | /* Check to see if any errors occurred during init */ | |
4773 | if (status & HS_FFERM) { | |
4774 | /* ERROR: During chipset initialization */ | |
4775 | /* Adapter failed to init, chipset, status reg <status> */ | |
ed957684 | 4776 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4777 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
4778 | "status reg x%x, " |
4779 | "FW Data: A8 x%x AC x%x\n", status, | |
4780 | readl(phba->MBslimaddr + 0xa8), | |
4781 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4782 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4783 | return -EIO; |
4784 | } | |
4785 | ||
4786 | /* Clear all interrupt enable conditions */ | |
4787 | writel(0, phba->HCregaddr); | |
4788 | readl(phba->HCregaddr); /* flush */ | |
4789 | ||
4790 | /* setup host attn register */ | |
4791 | writel(0xffffffff, phba->HAregaddr); | |
4792 | readl(phba->HAregaddr); /* flush */ | |
4793 | return 0; | |
4794 | } | |
4795 | ||
e59058c4 | 4796 | /** |
3621a710 | 4797 | * lpfc_sli_hbq_count - Get the number of HBQs to be configured |
e59058c4 JS |
4798 | * |
4799 | * This function calculates and returns the number of HBQs required to be | |
4800 | * configured. | |
4801 | **/ | |
78b2d852 | 4802 | int |
ed957684 JS |
4803 | lpfc_sli_hbq_count(void) |
4804 | { | |
92d7f7b0 | 4805 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
4806 | } |
4807 | ||
e59058c4 | 4808 | /** |
3621a710 | 4809 | * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries |
e59058c4 JS |
4810 | * |
4811 | * This function adds the number of hbq entries in every HBQ to get | |
4812 | * the total number of hbq entries required for the HBA and returns | |
4813 | * the total count. | |
4814 | **/ | |
ed957684 JS |
4815 | static int |
4816 | lpfc_sli_hbq_entry_count(void) | |
4817 | { | |
4818 | int hbq_count = lpfc_sli_hbq_count(); | |
4819 | int count = 0; | |
4820 | int i; | |
4821 | ||
4822 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 4823 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
4824 | return count; |
4825 | } | |
4826 | ||
e59058c4 | 4827 | /** |
3621a710 | 4828 | * lpfc_sli_hbq_size - Calculate memory required for all hbq entries |
e59058c4 JS |
4829 | * |
4830 | * This function calculates amount of memory required for all hbq entries | |
4831 | * to be configured and returns the total memory required. | |
4832 | **/ | |
dea3101e | 4833 | int |
ed957684 JS |
4834 | lpfc_sli_hbq_size(void) |
4835 | { | |
4836 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
4837 | } | |
4838 | ||
e59058c4 | 4839 | /** |
3621a710 | 4840 | * lpfc_sli_hbq_setup - configure and initialize HBQs |
e59058c4 JS |
4841 | * @phba: Pointer to HBA context object. |
4842 | * | |
4843 | * This function is called during the SLI initialization to configure | |
4844 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4845 | * required to hold any locks. This function will return zero if successful | |
4846 | * else it will return negative error code. | |
4847 | **/ | |
ed957684 JS |
4848 | static int |
4849 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
4850 | { | |
4851 | int hbq_count = lpfc_sli_hbq_count(); | |
4852 | LPFC_MBOXQ_t *pmb; | |
4853 | MAILBOX_t *pmbox; | |
4854 | uint32_t hbqno; | |
4855 | uint32_t hbq_entry_index; | |
ed957684 | 4856 | |
92d7f7b0 JS |
4857 | /* Get a Mailbox buffer to setup mailbox |
4858 | * commands for HBA initialization | |
4859 | */ | |
ed957684 JS |
4860 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4861 | ||
4862 | if (!pmb) | |
4863 | return -ENOMEM; | |
4864 | ||
04c68496 | 4865 | pmbox = &pmb->u.mb; |
ed957684 JS |
4866 | |
4867 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
4868 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
3163f725 | 4869 | phba->hbq_in_use = 1; |
ed957684 JS |
4870 | |
4871 | hbq_entry_index = 0; | |
4872 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
4873 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
4874 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
4875 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
4876 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 4877 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
4878 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
4879 | hbq_entry_index, pmb); | |
ed957684 JS |
4880 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
4881 | ||
4882 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
4883 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
4884 | mbxStatus <status>, ring <num> */ | |
4885 | ||
4886 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 4887 | LOG_SLI | LOG_VPORT, |
e8b62011 | 4888 | "1805 Adapter failed to init. " |
ed957684 | 4889 | "Data: x%x x%x x%x\n", |
e8b62011 | 4890 | pmbox->mbxCommand, |
ed957684 JS |
4891 | pmbox->mbxStatus, hbqno); |
4892 | ||
4893 | phba->link_state = LPFC_HBA_ERROR; | |
4894 | mempool_free(pmb, phba->mbox_mem_pool); | |
6e7288d9 | 4895 | return -ENXIO; |
ed957684 JS |
4896 | } |
4897 | } | |
4898 | phba->hbq_count = hbq_count; | |
4899 | ||
ed957684 JS |
4900 | mempool_free(pmb, phba->mbox_mem_pool); |
4901 | ||
92d7f7b0 | 4902 | /* Initially populate or replenish the HBQs */ |
d7c255b2 JS |
4903 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) |
4904 | lpfc_sli_hbqbuf_init_hbqs(phba, hbqno); | |
ed957684 JS |
4905 | return 0; |
4906 | } | |
4907 | ||
4f774513 JS |
4908 | /** |
4909 | * lpfc_sli4_rb_setup - Initialize and post RBs to HBA | |
4910 | * @phba: Pointer to HBA context object. | |
4911 | * | |
4912 | * This function is called during the SLI initialization to configure | |
4913 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4914 | * required to hold any locks. This function will return zero if successful | |
4915 | * else it will return negative error code. | |
4916 | **/ | |
4917 | static int | |
4918 | lpfc_sli4_rb_setup(struct lpfc_hba *phba) | |
4919 | { | |
4920 | phba->hbq_in_use = 1; | |
895427bd JS |
4921 | phba->hbqs[LPFC_ELS_HBQ].entry_count = |
4922 | lpfc_hbq_defs[LPFC_ELS_HBQ]->entry_count; | |
4f774513 | 4923 | phba->hbq_count = 1; |
895427bd | 4924 | lpfc_sli_hbqbuf_init_hbqs(phba, LPFC_ELS_HBQ); |
4f774513 | 4925 | /* Initially populate or replenish the HBQs */ |
4f774513 JS |
4926 | return 0; |
4927 | } | |
4928 | ||
e59058c4 | 4929 | /** |
3621a710 | 4930 | * lpfc_sli_config_port - Issue config port mailbox command |
e59058c4 JS |
4931 | * @phba: Pointer to HBA context object. |
4932 | * @sli_mode: sli mode - 2/3 | |
4933 | * | |
183b8021 | 4934 | * This function is called by the sli initialization code path |
e59058c4 JS |
4935 | * to issue config_port mailbox command. This function restarts the |
4936 | * HBA firmware and issues a config_port mailbox command to configure | |
4937 | * the SLI interface in the sli mode specified by sli_mode | |
4938 | * variable. The caller is not required to hold any locks. | |
4939 | * The function returns 0 if successful, else returns negative error | |
4940 | * code. | |
4941 | **/ | |
9399627f JS |
4942 | int |
4943 | lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e JB |
4944 | { |
4945 | LPFC_MBOXQ_t *pmb; | |
4946 | uint32_t resetcount = 0, rc = 0, done = 0; | |
4947 | ||
4948 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4949 | if (!pmb) { | |
2e0fef85 | 4950 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4951 | return -ENOMEM; |
4952 | } | |
4953 | ||
ed957684 | 4954 | phba->sli_rev = sli_mode; |
dea3101e | 4955 | while (resetcount < 2 && !done) { |
2e0fef85 | 4956 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4957 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4958 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 4959 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4960 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4961 | rc = lpfc_sli_chipset_init(phba); |
4962 | if (rc) | |
4963 | break; | |
4964 | ||
2e0fef85 | 4965 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4966 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4967 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4968 | resetcount++; |
4969 | ||
ed957684 JS |
4970 | /* Call pre CONFIG_PORT mailbox command initialization. A |
4971 | * value of 0 means the call was successful. Any other | |
4972 | * nonzero value is a failure, but if ERESTART is returned, | |
4973 | * the driver may reset the HBA and try again. | |
4974 | */ | |
dea3101e JB |
4975 | rc = lpfc_config_port_prep(phba); |
4976 | if (rc == -ERESTART) { | |
ed957684 | 4977 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e | 4978 | continue; |
34b02dcd | 4979 | } else if (rc) |
dea3101e | 4980 | break; |
6d368e53 | 4981 | |
2e0fef85 | 4982 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
4983 | lpfc_config_port(phba, pmb); |
4984 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
34b02dcd JS |
4985 | phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED | |
4986 | LPFC_SLI3_HBQ_ENABLED | | |
4987 | LPFC_SLI3_CRP_ENABLED | | |
bc73905a | 4988 | LPFC_SLI3_DSS_ENABLED); |
ed957684 | 4989 | if (rc != MBX_SUCCESS) { |
dea3101e | 4990 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4991 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 4992 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
04c68496 | 4993 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus, 0); |
2e0fef85 | 4994 | spin_lock_irq(&phba->hbalock); |
04c68496 | 4995 | phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; |
2e0fef85 JS |
4996 | spin_unlock_irq(&phba->hbalock); |
4997 | rc = -ENXIO; | |
04c68496 JS |
4998 | } else { |
4999 | /* Allow asynchronous mailbox command to go through */ | |
5000 | spin_lock_irq(&phba->hbalock); | |
5001 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
5002 | spin_unlock_irq(&phba->hbalock); | |
ed957684 | 5003 | done = 1; |
cb69f7de JS |
5004 | |
5005 | if ((pmb->u.mb.un.varCfgPort.casabt == 1) && | |
5006 | (pmb->u.mb.un.varCfgPort.gasabt == 0)) | |
5007 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
5008 | "3110 Port did not grant ASABT\n"); | |
04c68496 | 5009 | } |
dea3101e | 5010 | } |
ed957684 JS |
5011 | if (!done) { |
5012 | rc = -EINVAL; | |
5013 | goto do_prep_failed; | |
5014 | } | |
04c68496 JS |
5015 | if (pmb->u.mb.un.varCfgPort.sli_mode == 3) { |
5016 | if (!pmb->u.mb.un.varCfgPort.cMA) { | |
34b02dcd JS |
5017 | rc = -ENXIO; |
5018 | goto do_prep_failed; | |
5019 | } | |
04c68496 | 5020 | if (phba->max_vpi && pmb->u.mb.un.varCfgPort.gmv) { |
34b02dcd | 5021 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
04c68496 JS |
5022 | phba->max_vpi = pmb->u.mb.un.varCfgPort.max_vpi; |
5023 | phba->max_vports = (phba->max_vpi > phba->max_vports) ? | |
5024 | phba->max_vpi : phba->max_vports; | |
5025 | ||
34b02dcd JS |
5026 | } else |
5027 | phba->max_vpi = 0; | |
bc73905a JS |
5028 | phba->fips_level = 0; |
5029 | phba->fips_spec_rev = 0; | |
5030 | if (pmb->u.mb.un.varCfgPort.gdss) { | |
04c68496 | 5031 | phba->sli3_options |= LPFC_SLI3_DSS_ENABLED; |
bc73905a JS |
5032 | phba->fips_level = pmb->u.mb.un.varCfgPort.fips_level; |
5033 | phba->fips_spec_rev = pmb->u.mb.un.varCfgPort.fips_rev; | |
5034 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5035 | "2850 Security Crypto Active. FIPS x%d " | |
5036 | "(Spec Rev: x%d)", | |
5037 | phba->fips_level, phba->fips_spec_rev); | |
5038 | } | |
5039 | if (pmb->u.mb.un.varCfgPort.sec_err) { | |
5040 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
5041 | "2856 Config Port Security Crypto " | |
5042 | "Error: x%x ", | |
5043 | pmb->u.mb.un.varCfgPort.sec_err); | |
5044 | } | |
04c68496 | 5045 | if (pmb->u.mb.un.varCfgPort.gerbm) |
34b02dcd | 5046 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; |
04c68496 | 5047 | if (pmb->u.mb.un.varCfgPort.gcrp) |
34b02dcd | 5048 | phba->sli3_options |= LPFC_SLI3_CRP_ENABLED; |
6e7288d9 JS |
5049 | |
5050 | phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get; | |
5051 | phba->port_gp = phba->mbox->us.s3_pgp.port; | |
e2a0a9d6 | 5052 | |
f44ac12f JS |
5053 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { |
5054 | if (pmb->u.mb.un.varCfgPort.gbg == 0) { | |
5055 | phba->cfg_enable_bg = 0; | |
5056 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; | |
e2a0a9d6 JS |
5057 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
5058 | "0443 Adapter did not grant " | |
5059 | "BlockGuard\n"); | |
f44ac12f | 5060 | } |
e2a0a9d6 | 5061 | } |
34b02dcd | 5062 | } else { |
8f34f4ce | 5063 | phba->hbq_get = NULL; |
34b02dcd | 5064 | phba->port_gp = phba->mbox->us.s2.port; |
d7c255b2 | 5065 | phba->max_vpi = 0; |
ed957684 | 5066 | } |
92d7f7b0 | 5067 | do_prep_failed: |
ed957684 JS |
5068 | mempool_free(pmb, phba->mbox_mem_pool); |
5069 | return rc; | |
5070 | } | |
5071 | ||
e59058c4 JS |
5072 | |
5073 | /** | |
183b8021 | 5074 | * lpfc_sli_hba_setup - SLI initialization function |
e59058c4 JS |
5075 | * @phba: Pointer to HBA context object. |
5076 | * | |
183b8021 MY |
5077 | * This function is the main SLI initialization function. This function |
5078 | * is called by the HBA initialization code, HBA reset code and HBA | |
e59058c4 JS |
5079 | * error attention handler code. Caller is not required to hold any |
5080 | * locks. This function issues config_port mailbox command to configure | |
5081 | * the SLI, setup iocb rings and HBQ rings. In the end the function | |
5082 | * calls the config_port_post function to issue init_link mailbox | |
5083 | * command and to start the discovery. The function will return zero | |
5084 | * if successful, else it will return negative error code. | |
5085 | **/ | |
ed957684 JS |
5086 | int |
5087 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
5088 | { | |
5089 | uint32_t rc; | |
6d368e53 JS |
5090 | int mode = 3, i; |
5091 | int longs; | |
ed957684 | 5092 | |
12247e81 | 5093 | switch (phba->cfg_sli_mode) { |
ed957684 | 5094 | case 2: |
78b2d852 | 5095 | if (phba->cfg_enable_npiv) { |
92d7f7b0 | 5096 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 | 5097 | "1824 NPIV enabled: Override sli_mode " |
92d7f7b0 | 5098 | "parameter (%d) to auto (0).\n", |
12247e81 | 5099 | phba->cfg_sli_mode); |
92d7f7b0 JS |
5100 | break; |
5101 | } | |
ed957684 JS |
5102 | mode = 2; |
5103 | break; | |
5104 | case 0: | |
5105 | case 3: | |
5106 | break; | |
5107 | default: | |
92d7f7b0 | 5108 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 JS |
5109 | "1819 Unrecognized sli_mode parameter: %d.\n", |
5110 | phba->cfg_sli_mode); | |
ed957684 JS |
5111 | |
5112 | break; | |
5113 | } | |
b5c53958 | 5114 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
ed957684 | 5115 | |
9399627f JS |
5116 | rc = lpfc_sli_config_port(phba, mode); |
5117 | ||
12247e81 | 5118 | if (rc && phba->cfg_sli_mode == 3) |
92d7f7b0 | 5119 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
5120 | "1820 Unable to select SLI-3. " |
5121 | "Not supported by adapter.\n"); | |
ed957684 | 5122 | if (rc && mode != 2) |
9399627f | 5123 | rc = lpfc_sli_config_port(phba, 2); |
4597663f JS |
5124 | else if (rc && mode == 2) |
5125 | rc = lpfc_sli_config_port(phba, 3); | |
ed957684 | 5126 | if (rc) |
dea3101e JB |
5127 | goto lpfc_sli_hba_setup_error; |
5128 | ||
0d878419 JS |
5129 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
5130 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
5131 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
5132 | if (!rc) { | |
5133 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5134 | "2709 This device supports " | |
5135 | "Advanced Error Reporting (AER)\n"); | |
5136 | spin_lock_irq(&phba->hbalock); | |
5137 | phba->hba_flag |= HBA_AER_ENABLED; | |
5138 | spin_unlock_irq(&phba->hbalock); | |
5139 | } else { | |
5140 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
5141 | "2708 This device does not support " | |
b069d7eb JS |
5142 | "Advanced Error Reporting (AER): %d\n", |
5143 | rc); | |
0d878419 JS |
5144 | phba->cfg_aer_support = 0; |
5145 | } | |
5146 | } | |
5147 | ||
ed957684 JS |
5148 | if (phba->sli_rev == 3) { |
5149 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
5150 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
ed957684 JS |
5151 | } else { |
5152 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
5153 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 5154 | phba->sli3_options = 0; |
ed957684 JS |
5155 | } |
5156 | ||
5157 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
5158 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
5159 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 5160 | rc = lpfc_sli_ring_map(phba); |
dea3101e JB |
5161 | |
5162 | if (rc) | |
5163 | goto lpfc_sli_hba_setup_error; | |
5164 | ||
6d368e53 JS |
5165 | /* Initialize VPIs. */ |
5166 | if (phba->sli_rev == LPFC_SLI_REV3) { | |
5167 | /* | |
5168 | * The VPI bitmask and physical ID array are allocated | |
5169 | * and initialized once only - at driver load. A port | |
5170 | * reset doesn't need to reinitialize this memory. | |
5171 | */ | |
5172 | if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) { | |
5173 | longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG; | |
6396bb22 KC |
5174 | phba->vpi_bmask = kcalloc(longs, |
5175 | sizeof(unsigned long), | |
6d368e53 JS |
5176 | GFP_KERNEL); |
5177 | if (!phba->vpi_bmask) { | |
5178 | rc = -ENOMEM; | |
5179 | goto lpfc_sli_hba_setup_error; | |
5180 | } | |
5181 | ||
6396bb22 KC |
5182 | phba->vpi_ids = kcalloc(phba->max_vpi + 1, |
5183 | sizeof(uint16_t), | |
5184 | GFP_KERNEL); | |
6d368e53 JS |
5185 | if (!phba->vpi_ids) { |
5186 | kfree(phba->vpi_bmask); | |
5187 | rc = -ENOMEM; | |
5188 | goto lpfc_sli_hba_setup_error; | |
5189 | } | |
5190 | for (i = 0; i < phba->max_vpi; i++) | |
5191 | phba->vpi_ids[i] = i; | |
5192 | } | |
5193 | } | |
5194 | ||
9399627f | 5195 | /* Init HBQs */ |
ed957684 JS |
5196 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
5197 | rc = lpfc_sli_hbq_setup(phba); | |
5198 | if (rc) | |
5199 | goto lpfc_sli_hba_setup_error; | |
5200 | } | |
04c68496 | 5201 | spin_lock_irq(&phba->hbalock); |
dea3101e | 5202 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
04c68496 | 5203 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
5204 | |
5205 | rc = lpfc_config_port_post(phba); | |
5206 | if (rc) | |
5207 | goto lpfc_sli_hba_setup_error; | |
5208 | ||
ed957684 JS |
5209 | return rc; |
5210 | ||
92d7f7b0 | 5211 | lpfc_sli_hba_setup_error: |
2e0fef85 | 5212 | phba->link_state = LPFC_HBA_ERROR; |
e40a02c1 | 5213 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 5214 | "0445 Firmware initialization failed\n"); |
dea3101e JB |
5215 | return rc; |
5216 | } | |
5217 | ||
e59058c4 | 5218 | /** |
da0436e9 JS |
5219 | * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region |
5220 | * @phba: Pointer to HBA context object. | |
5221 | * @mboxq: mailbox pointer. | |
5222 | * This function issue a dump mailbox command to read config region | |
5223 | * 23 and parse the records in the region and populate driver | |
5224 | * data structure. | |
e59058c4 | 5225 | **/ |
da0436e9 | 5226 | static int |
ff78d8f9 | 5227 | lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba) |
dea3101e | 5228 | { |
ff78d8f9 | 5229 | LPFC_MBOXQ_t *mboxq; |
da0436e9 JS |
5230 | struct lpfc_dmabuf *mp; |
5231 | struct lpfc_mqe *mqe; | |
5232 | uint32_t data_length; | |
5233 | int rc; | |
dea3101e | 5234 | |
da0436e9 JS |
5235 | /* Program the default value of vlan_id and fc_map */ |
5236 | phba->valid_vlan = 0; | |
5237 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
5238 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
5239 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
2e0fef85 | 5240 | |
ff78d8f9 JS |
5241 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5242 | if (!mboxq) | |
da0436e9 JS |
5243 | return -ENOMEM; |
5244 | ||
ff78d8f9 JS |
5245 | mqe = &mboxq->u.mqe; |
5246 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) { | |
5247 | rc = -ENOMEM; | |
5248 | goto out_free_mboxq; | |
5249 | } | |
5250 | ||
3e1f0718 | 5251 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
da0436e9 JS |
5252 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
5253 | ||
5254 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
5255 | "(%d):2571 Mailbox cmd x%x Status x%x " | |
5256 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5257 | "x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5258 | "CQ: x%x x%x x%x x%x\n", | |
5259 | mboxq->vport ? mboxq->vport->vpi : 0, | |
5260 | bf_get(lpfc_mqe_command, mqe), | |
5261 | bf_get(lpfc_mqe_status, mqe), | |
5262 | mqe->un.mb_words[0], mqe->un.mb_words[1], | |
5263 | mqe->un.mb_words[2], mqe->un.mb_words[3], | |
5264 | mqe->un.mb_words[4], mqe->un.mb_words[5], | |
5265 | mqe->un.mb_words[6], mqe->un.mb_words[7], | |
5266 | mqe->un.mb_words[8], mqe->un.mb_words[9], | |
5267 | mqe->un.mb_words[10], mqe->un.mb_words[11], | |
5268 | mqe->un.mb_words[12], mqe->un.mb_words[13], | |
5269 | mqe->un.mb_words[14], mqe->un.mb_words[15], | |
5270 | mqe->un.mb_words[16], mqe->un.mb_words[50], | |
5271 | mboxq->mcqe.word0, | |
5272 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
5273 | mboxq->mcqe.trailer); | |
5274 | ||
5275 | if (rc) { | |
5276 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5277 | kfree(mp); | |
ff78d8f9 JS |
5278 | rc = -EIO; |
5279 | goto out_free_mboxq; | |
da0436e9 JS |
5280 | } |
5281 | data_length = mqe->un.mb_words[5]; | |
a0c87cbd | 5282 | if (data_length > DMP_RGN23_SIZE) { |
d11e31dd JS |
5283 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5284 | kfree(mp); | |
ff78d8f9 JS |
5285 | rc = -EIO; |
5286 | goto out_free_mboxq; | |
d11e31dd | 5287 | } |
dea3101e | 5288 | |
da0436e9 JS |
5289 | lpfc_parse_fcoe_conf(phba, mp->virt, data_length); |
5290 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5291 | kfree(mp); | |
ff78d8f9 JS |
5292 | rc = 0; |
5293 | ||
5294 | out_free_mboxq: | |
5295 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5296 | return rc; | |
da0436e9 | 5297 | } |
e59058c4 JS |
5298 | |
5299 | /** | |
da0436e9 JS |
5300 | * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data |
5301 | * @phba: pointer to lpfc hba data structure. | |
5302 | * @mboxq: pointer to the LPFC_MBOXQ_t structure. | |
5303 | * @vpd: pointer to the memory to hold resulting port vpd data. | |
5304 | * @vpd_size: On input, the number of bytes allocated to @vpd. | |
5305 | * On output, the number of data bytes in @vpd. | |
e59058c4 | 5306 | * |
da0436e9 JS |
5307 | * This routine executes a READ_REV SLI4 mailbox command. In |
5308 | * addition, this routine gets the port vpd data. | |
5309 | * | |
5310 | * Return codes | |
af901ca1 | 5311 | * 0 - successful |
d439d286 | 5312 | * -ENOMEM - could not allocated memory. |
e59058c4 | 5313 | **/ |
da0436e9 JS |
5314 | static int |
5315 | lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
5316 | uint8_t *vpd, uint32_t *vpd_size) | |
dea3101e | 5317 | { |
da0436e9 JS |
5318 | int rc = 0; |
5319 | uint32_t dma_size; | |
5320 | struct lpfc_dmabuf *dmabuf; | |
5321 | struct lpfc_mqe *mqe; | |
dea3101e | 5322 | |
da0436e9 JS |
5323 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
5324 | if (!dmabuf) | |
5325 | return -ENOMEM; | |
5326 | ||
5327 | /* | |
5328 | * Get a DMA buffer for the vpd data resulting from the READ_REV | |
5329 | * mailbox command. | |
a257bf90 | 5330 | */ |
da0436e9 | 5331 | dma_size = *vpd_size; |
750afb08 LC |
5332 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, dma_size, |
5333 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
5334 | if (!dmabuf->virt) { |
5335 | kfree(dmabuf); | |
5336 | return -ENOMEM; | |
a257bf90 JS |
5337 | } |
5338 | ||
da0436e9 JS |
5339 | /* |
5340 | * The SLI4 implementation of READ_REV conflicts at word1, | |
5341 | * bits 31:16 and SLI4 adds vpd functionality not present | |
5342 | * in SLI3. This code corrects the conflicts. | |
1dcb58e5 | 5343 | */ |
da0436e9 JS |
5344 | lpfc_read_rev(phba, mboxq); |
5345 | mqe = &mboxq->u.mqe; | |
5346 | mqe->un.read_rev.vpd_paddr_high = putPaddrHigh(dmabuf->phys); | |
5347 | mqe->un.read_rev.vpd_paddr_low = putPaddrLow(dmabuf->phys); | |
5348 | mqe->un.read_rev.word1 &= 0x0000FFFF; | |
5349 | bf_set(lpfc_mbx_rd_rev_vpd, &mqe->un.read_rev, 1); | |
5350 | bf_set(lpfc_mbx_rd_rev_avail_len, &mqe->un.read_rev, dma_size); | |
5351 | ||
5352 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5353 | if (rc) { | |
5354 | dma_free_coherent(&phba->pcidev->dev, dma_size, | |
5355 | dmabuf->virt, dmabuf->phys); | |
def9c7a9 | 5356 | kfree(dmabuf); |
da0436e9 JS |
5357 | return -EIO; |
5358 | } | |
1dcb58e5 | 5359 | |
da0436e9 JS |
5360 | /* |
5361 | * The available vpd length cannot be bigger than the | |
5362 | * DMA buffer passed to the port. Catch the less than | |
5363 | * case and update the caller's size. | |
5364 | */ | |
5365 | if (mqe->un.read_rev.avail_vpd_len < *vpd_size) | |
5366 | *vpd_size = mqe->un.read_rev.avail_vpd_len; | |
3772a991 | 5367 | |
d7c47992 JS |
5368 | memcpy(vpd, dmabuf->virt, *vpd_size); |
5369 | ||
da0436e9 JS |
5370 | dma_free_coherent(&phba->pcidev->dev, dma_size, |
5371 | dmabuf->virt, dmabuf->phys); | |
5372 | kfree(dmabuf); | |
5373 | return 0; | |
dea3101e JB |
5374 | } |
5375 | ||
cd1c8301 | 5376 | /** |
b3b4f3e1 | 5377 | * lpfc_sli4_get_ctl_attr - Retrieve SLI4 device controller attributes |
cd1c8301 JS |
5378 | * @phba: pointer to lpfc hba data structure. |
5379 | * | |
5380 | * This routine retrieves SLI4 device physical port name this PCI function | |
5381 | * is attached to. | |
5382 | * | |
5383 | * Return codes | |
4907cb7b | 5384 | * 0 - successful |
b3b4f3e1 | 5385 | * otherwise - failed to retrieve controller attributes |
cd1c8301 JS |
5386 | **/ |
5387 | static int | |
b3b4f3e1 | 5388 | lpfc_sli4_get_ctl_attr(struct lpfc_hba *phba) |
cd1c8301 JS |
5389 | { |
5390 | LPFC_MBOXQ_t *mboxq; | |
cd1c8301 JS |
5391 | struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr; |
5392 | struct lpfc_controller_attribute *cntl_attr; | |
cd1c8301 JS |
5393 | void *virtaddr = NULL; |
5394 | uint32_t alloclen, reqlen; | |
5395 | uint32_t shdr_status, shdr_add_status; | |
5396 | union lpfc_sli4_cfg_shdr *shdr; | |
cd1c8301 JS |
5397 | int rc; |
5398 | ||
cd1c8301 JS |
5399 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5400 | if (!mboxq) | |
5401 | return -ENOMEM; | |
cd1c8301 | 5402 | |
b3b4f3e1 | 5403 | /* Send COMMON_GET_CNTL_ATTRIBUTES mbox cmd */ |
cd1c8301 JS |
5404 | reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes); |
5405 | alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5406 | LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen, | |
5407 | LPFC_SLI4_MBX_NEMBED); | |
b3b4f3e1 | 5408 | |
cd1c8301 JS |
5409 | if (alloclen < reqlen) { |
5410 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5411 | "3084 Allocated DMA memory size (%d) is " | |
5412 | "less than the requested DMA memory size " | |
5413 | "(%d)\n", alloclen, reqlen); | |
5414 | rc = -ENOMEM; | |
5415 | goto out_free_mboxq; | |
5416 | } | |
5417 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5418 | virtaddr = mboxq->sge_array->addr[0]; | |
5419 | mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr; | |
5420 | shdr = &mbx_cntl_attr->cfg_shdr; | |
5421 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5422 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5423 | if (shdr_status || shdr_add_status || rc) { | |
5424 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5425 | "3085 Mailbox x%x (x%x/x%x) failed, " | |
5426 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5427 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5428 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5429 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5430 | rc, shdr_status, shdr_add_status); | |
5431 | rc = -ENXIO; | |
5432 | goto out_free_mboxq; | |
5433 | } | |
b3b4f3e1 | 5434 | |
cd1c8301 JS |
5435 | cntl_attr = &mbx_cntl_attr->cntl_attr; |
5436 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
5437 | phba->sli4_hba.lnk_info.lnk_tp = | |
5438 | bf_get(lpfc_cntl_attr_lnk_type, cntl_attr); | |
5439 | phba->sli4_hba.lnk_info.lnk_no = | |
5440 | bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr); | |
b3b4f3e1 JS |
5441 | |
5442 | memset(phba->BIOSVersion, 0, sizeof(phba->BIOSVersion)); | |
5443 | strlcat(phba->BIOSVersion, (char *)cntl_attr->bios_ver_str, | |
5444 | sizeof(phba->BIOSVersion)); | |
5445 | ||
cd1c8301 | 5446 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
b3b4f3e1 | 5447 | "3086 lnk_type:%d, lnk_numb:%d, bios_ver:%s\n", |
cd1c8301 | 5448 | phba->sli4_hba.lnk_info.lnk_tp, |
b3b4f3e1 JS |
5449 | phba->sli4_hba.lnk_info.lnk_no, |
5450 | phba->BIOSVersion); | |
5451 | out_free_mboxq: | |
5452 | if (rc != MBX_TIMEOUT) { | |
5453 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
5454 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
5455 | else | |
5456 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5457 | } | |
5458 | return rc; | |
5459 | } | |
5460 | ||
5461 | /** | |
5462 | * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name | |
5463 | * @phba: pointer to lpfc hba data structure. | |
5464 | * | |
5465 | * This routine retrieves SLI4 device physical port name this PCI function | |
5466 | * is attached to. | |
5467 | * | |
5468 | * Return codes | |
5469 | * 0 - successful | |
5470 | * otherwise - failed to retrieve physical port name | |
5471 | **/ | |
5472 | static int | |
5473 | lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba) | |
5474 | { | |
5475 | LPFC_MBOXQ_t *mboxq; | |
5476 | struct lpfc_mbx_get_port_name *get_port_name; | |
5477 | uint32_t shdr_status, shdr_add_status; | |
5478 | union lpfc_sli4_cfg_shdr *shdr; | |
5479 | char cport_name = 0; | |
5480 | int rc; | |
5481 | ||
5482 | /* We assume nothing at this point */ | |
5483 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
5484 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON; | |
5485 | ||
5486 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5487 | if (!mboxq) | |
5488 | return -ENOMEM; | |
5489 | /* obtain link type and link number via READ_CONFIG */ | |
5490 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
5491 | lpfc_sli4_read_config(phba); | |
5492 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) | |
5493 | goto retrieve_ppname; | |
5494 | ||
5495 | /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */ | |
5496 | rc = lpfc_sli4_get_ctl_attr(phba); | |
5497 | if (rc) | |
5498 | goto out_free_mboxq; | |
cd1c8301 JS |
5499 | |
5500 | retrieve_ppname: | |
5501 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5502 | LPFC_MBOX_OPCODE_GET_PORT_NAME, | |
5503 | sizeof(struct lpfc_mbx_get_port_name) - | |
5504 | sizeof(struct lpfc_sli4_cfg_mhdr), | |
5505 | LPFC_SLI4_MBX_EMBED); | |
5506 | get_port_name = &mboxq->u.mqe.un.get_port_name; | |
5507 | shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr; | |
5508 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1); | |
5509 | bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request, | |
5510 | phba->sli4_hba.lnk_info.lnk_tp); | |
5511 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5512 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5513 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5514 | if (shdr_status || shdr_add_status || rc) { | |
5515 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5516 | "3087 Mailbox x%x (x%x/x%x) failed: " | |
5517 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5518 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5519 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5520 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5521 | rc, shdr_status, shdr_add_status); | |
5522 | rc = -ENXIO; | |
5523 | goto out_free_mboxq; | |
5524 | } | |
5525 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
5526 | case LPFC_LINK_NUMBER_0: | |
5527 | cport_name = bf_get(lpfc_mbx_get_port_name_name0, | |
5528 | &get_port_name->u.response); | |
5529 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5530 | break; | |
5531 | case LPFC_LINK_NUMBER_1: | |
5532 | cport_name = bf_get(lpfc_mbx_get_port_name_name1, | |
5533 | &get_port_name->u.response); | |
5534 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5535 | break; | |
5536 | case LPFC_LINK_NUMBER_2: | |
5537 | cport_name = bf_get(lpfc_mbx_get_port_name_name2, | |
5538 | &get_port_name->u.response); | |
5539 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5540 | break; | |
5541 | case LPFC_LINK_NUMBER_3: | |
5542 | cport_name = bf_get(lpfc_mbx_get_port_name_name3, | |
5543 | &get_port_name->u.response); | |
5544 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5545 | break; | |
5546 | default: | |
5547 | break; | |
5548 | } | |
5549 | ||
5550 | if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) { | |
5551 | phba->Port[0] = cport_name; | |
5552 | phba->Port[1] = '\0'; | |
5553 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5554 | "3091 SLI get port name: %s\n", phba->Port); | |
5555 | } | |
5556 | ||
5557 | out_free_mboxq: | |
5558 | if (rc != MBX_TIMEOUT) { | |
5559 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
5560 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
5561 | else | |
5562 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5563 | } | |
5564 | return rc; | |
5565 | } | |
5566 | ||
e59058c4 | 5567 | /** |
da0436e9 JS |
5568 | * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues |
5569 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 5570 | * |
da0436e9 JS |
5571 | * This routine is called to explicitly arm the SLI4 device's completion and |
5572 | * event queues | |
5573 | **/ | |
5574 | static void | |
5575 | lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba) | |
5576 | { | |
895427bd | 5577 | int qidx; |
b71413dd | 5578 | struct lpfc_sli4_hba *sli4_hba = &phba->sli4_hba; |
cdb42bec | 5579 | struct lpfc_sli4_hdw_queue *qp; |
657add4e | 5580 | struct lpfc_queue *eq; |
da0436e9 | 5581 | |
32517fc0 JS |
5582 | sli4_hba->sli4_write_cq_db(phba, sli4_hba->mbx_cq, 0, LPFC_QUEUE_REARM); |
5583 | sli4_hba->sli4_write_cq_db(phba, sli4_hba->els_cq, 0, LPFC_QUEUE_REARM); | |
b71413dd | 5584 | if (sli4_hba->nvmels_cq) |
32517fc0 JS |
5585 | sli4_hba->sli4_write_cq_db(phba, sli4_hba->nvmels_cq, 0, |
5586 | LPFC_QUEUE_REARM); | |
1ba981fd | 5587 | |
cdb42bec | 5588 | if (sli4_hba->hdwq) { |
657add4e | 5589 | /* Loop thru all Hardware Queues */ |
cdb42bec | 5590 | for (qidx = 0; qidx < phba->cfg_hdw_queue; qidx++) { |
657add4e JS |
5591 | qp = &sli4_hba->hdwq[qidx]; |
5592 | /* ARM the corresponding CQ */ | |
01f2ef6d | 5593 | sli4_hba->sli4_write_cq_db(phba, qp->io_cq, 0, |
c00f62e6 | 5594 | LPFC_QUEUE_REARM); |
cdb42bec | 5595 | } |
1ba981fd | 5596 | |
657add4e JS |
5597 | /* Loop thru all IRQ vectors */ |
5598 | for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) { | |
5599 | eq = sli4_hba->hba_eq_hdl[qidx].eq; | |
5600 | /* ARM the corresponding EQ */ | |
5601 | sli4_hba->sli4_write_eq_db(phba, eq, | |
5602 | 0, LPFC_QUEUE_REARM); | |
5603 | } | |
cdb42bec | 5604 | } |
1ba981fd | 5605 | |
2d7dbc4c JS |
5606 | if (phba->nvmet_support) { |
5607 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) { | |
32517fc0 JS |
5608 | sli4_hba->sli4_write_cq_db(phba, |
5609 | sli4_hba->nvmet_cqset[qidx], 0, | |
2d7dbc4c JS |
5610 | LPFC_QUEUE_REARM); |
5611 | } | |
2e90f4b5 | 5612 | } |
da0436e9 JS |
5613 | } |
5614 | ||
6d368e53 JS |
5615 | /** |
5616 | * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count. | |
5617 | * @phba: Pointer to HBA context object. | |
5618 | * @type: The resource extent type. | |
b76f2dc9 JS |
5619 | * @extnt_count: buffer to hold port available extent count. |
5620 | * @extnt_size: buffer to hold element count per extent. | |
6d368e53 | 5621 | * |
b76f2dc9 JS |
5622 | * This function calls the port and retrievs the number of available |
5623 | * extents and their size for a particular extent type. | |
5624 | * | |
5625 | * Returns: 0 if successful. Nonzero otherwise. | |
6d368e53 | 5626 | **/ |
b76f2dc9 | 5627 | int |
6d368e53 JS |
5628 | lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type, |
5629 | uint16_t *extnt_count, uint16_t *extnt_size) | |
5630 | { | |
5631 | int rc = 0; | |
5632 | uint32_t length; | |
5633 | uint32_t mbox_tmo; | |
5634 | struct lpfc_mbx_get_rsrc_extent_info *rsrc_info; | |
5635 | LPFC_MBOXQ_t *mbox; | |
5636 | ||
5637 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5638 | if (!mbox) | |
5639 | return -ENOMEM; | |
5640 | ||
5641 | /* Find out how many extents are available for this resource type */ | |
5642 | length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) - | |
5643 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5644 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5645 | LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO, | |
5646 | length, LPFC_SLI4_MBX_EMBED); | |
5647 | ||
5648 | /* Send an extents count of 0 - the GET doesn't use it. */ | |
5649 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5650 | LPFC_SLI4_MBX_EMBED); | |
5651 | if (unlikely(rc)) { | |
5652 | rc = -EIO; | |
5653 | goto err_exit; | |
5654 | } | |
5655 | ||
5656 | if (!phba->sli4_hba.intr_enable) | |
5657 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5658 | else { | |
a183a15f | 5659 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5660 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5661 | } | |
5662 | if (unlikely(rc)) { | |
5663 | rc = -EIO; | |
5664 | goto err_exit; | |
5665 | } | |
5666 | ||
5667 | rsrc_info = &mbox->u.mqe.un.rsrc_extent_info; | |
5668 | if (bf_get(lpfc_mbox_hdr_status, | |
5669 | &rsrc_info->header.cfg_shdr.response)) { | |
5670 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5671 | "2930 Failed to get resource extents " | |
5672 | "Status 0x%x Add'l Status 0x%x\n", | |
5673 | bf_get(lpfc_mbox_hdr_status, | |
5674 | &rsrc_info->header.cfg_shdr.response), | |
5675 | bf_get(lpfc_mbox_hdr_add_status, | |
5676 | &rsrc_info->header.cfg_shdr.response)); | |
5677 | rc = -EIO; | |
5678 | goto err_exit; | |
5679 | } | |
5680 | ||
5681 | *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt, | |
5682 | &rsrc_info->u.rsp); | |
5683 | *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size, | |
5684 | &rsrc_info->u.rsp); | |
8a9d2e80 JS |
5685 | |
5686 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5687 | "3162 Retrieved extents type-%d from port: count:%d, " | |
5688 | "size:%d\n", type, *extnt_count, *extnt_size); | |
5689 | ||
5690 | err_exit: | |
6d368e53 JS |
5691 | mempool_free(mbox, phba->mbox_mem_pool); |
5692 | return rc; | |
5693 | } | |
5694 | ||
5695 | /** | |
5696 | * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents. | |
5697 | * @phba: Pointer to HBA context object. | |
5698 | * @type: The extent type to check. | |
5699 | * | |
5700 | * This function reads the current available extents from the port and checks | |
5701 | * if the extent count or extent size has changed since the last access. | |
5702 | * Callers use this routine post port reset to understand if there is a | |
5703 | * extent reprovisioning requirement. | |
5704 | * | |
5705 | * Returns: | |
5706 | * -Error: error indicates problem. | |
5707 | * 1: Extent count or size has changed. | |
5708 | * 0: No changes. | |
5709 | **/ | |
5710 | static int | |
5711 | lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type) | |
5712 | { | |
5713 | uint16_t curr_ext_cnt, rsrc_ext_cnt; | |
5714 | uint16_t size_diff, rsrc_ext_size; | |
5715 | int rc = 0; | |
5716 | struct lpfc_rsrc_blks *rsrc_entry; | |
5717 | struct list_head *rsrc_blk_list = NULL; | |
5718 | ||
5719 | size_diff = 0; | |
5720 | curr_ext_cnt = 0; | |
5721 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5722 | &rsrc_ext_cnt, | |
5723 | &rsrc_ext_size); | |
5724 | if (unlikely(rc)) | |
5725 | return -EIO; | |
5726 | ||
5727 | switch (type) { | |
5728 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5729 | rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5730 | break; | |
5731 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5732 | rsrc_blk_list = &phba->lpfc_vpi_blk_list; | |
5733 | break; | |
5734 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5735 | rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5736 | break; | |
5737 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5738 | rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5739 | break; | |
5740 | default: | |
5741 | break; | |
5742 | } | |
5743 | ||
5744 | list_for_each_entry(rsrc_entry, rsrc_blk_list, list) { | |
5745 | curr_ext_cnt++; | |
5746 | if (rsrc_entry->rsrc_size != rsrc_ext_size) | |
5747 | size_diff++; | |
5748 | } | |
5749 | ||
5750 | if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0) | |
5751 | rc = 1; | |
5752 | ||
5753 | return rc; | |
5754 | } | |
5755 | ||
5756 | /** | |
5757 | * lpfc_sli4_cfg_post_extnts - | |
5758 | * @phba: Pointer to HBA context object. | |
5759 | * @extnt_cnt - number of available extents. | |
5760 | * @type - the extent type (rpi, xri, vfi, vpi). | |
5761 | * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation. | |
5762 | * @mbox - pointer to the caller's allocated mailbox structure. | |
5763 | * | |
5764 | * This function executes the extents allocation request. It also | |
5765 | * takes care of the amount of memory needed to allocate or get the | |
5766 | * allocated extents. It is the caller's responsibility to evaluate | |
5767 | * the response. | |
5768 | * | |
5769 | * Returns: | |
5770 | * -Error: Error value describes the condition found. | |
5771 | * 0: if successful | |
5772 | **/ | |
5773 | static int | |
8a9d2e80 | 5774 | lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t extnt_cnt, |
6d368e53 JS |
5775 | uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox) |
5776 | { | |
5777 | int rc = 0; | |
5778 | uint32_t req_len; | |
5779 | uint32_t emb_len; | |
5780 | uint32_t alloc_len, mbox_tmo; | |
5781 | ||
5782 | /* Calculate the total requested length of the dma memory */ | |
8a9d2e80 | 5783 | req_len = extnt_cnt * sizeof(uint16_t); |
6d368e53 JS |
5784 | |
5785 | /* | |
5786 | * Calculate the size of an embedded mailbox. The uint32_t | |
5787 | * accounts for extents-specific word. | |
5788 | */ | |
5789 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
5790 | sizeof(uint32_t); | |
5791 | ||
5792 | /* | |
5793 | * Presume the allocation and response will fit into an embedded | |
5794 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
5795 | */ | |
5796 | *emb = LPFC_SLI4_MBX_EMBED; | |
5797 | if (req_len > emb_len) { | |
8a9d2e80 | 5798 | req_len = extnt_cnt * sizeof(uint16_t) + |
6d368e53 JS |
5799 | sizeof(union lpfc_sli4_cfg_shdr) + |
5800 | sizeof(uint32_t); | |
5801 | *emb = LPFC_SLI4_MBX_NEMBED; | |
5802 | } | |
5803 | ||
5804 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5805 | LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT, | |
5806 | req_len, *emb); | |
5807 | if (alloc_len < req_len) { | |
5808 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
b76f2dc9 | 5809 | "2982 Allocated DMA memory size (x%x) is " |
6d368e53 JS |
5810 | "less than the requested DMA memory " |
5811 | "size (x%x)\n", alloc_len, req_len); | |
5812 | return -ENOMEM; | |
5813 | } | |
8a9d2e80 | 5814 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, extnt_cnt, type, *emb); |
6d368e53 JS |
5815 | if (unlikely(rc)) |
5816 | return -EIO; | |
5817 | ||
5818 | if (!phba->sli4_hba.intr_enable) | |
5819 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5820 | else { | |
a183a15f | 5821 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5822 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5823 | } | |
5824 | ||
5825 | if (unlikely(rc)) | |
5826 | rc = -EIO; | |
5827 | return rc; | |
5828 | } | |
5829 | ||
5830 | /** | |
5831 | * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent. | |
5832 | * @phba: Pointer to HBA context object. | |
5833 | * @type: The resource extent type to allocate. | |
5834 | * | |
5835 | * This function allocates the number of elements for the specified | |
5836 | * resource type. | |
5837 | **/ | |
5838 | static int | |
5839 | lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5840 | { | |
5841 | bool emb = false; | |
5842 | uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size; | |
5843 | uint16_t rsrc_id, rsrc_start, j, k; | |
5844 | uint16_t *ids; | |
5845 | int i, rc; | |
5846 | unsigned long longs; | |
5847 | unsigned long *bmask; | |
5848 | struct lpfc_rsrc_blks *rsrc_blks; | |
5849 | LPFC_MBOXQ_t *mbox; | |
5850 | uint32_t length; | |
5851 | struct lpfc_id_range *id_array = NULL; | |
5852 | void *virtaddr = NULL; | |
5853 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
5854 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
5855 | struct list_head *ext_blk_list; | |
5856 | ||
5857 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5858 | &rsrc_cnt, | |
5859 | &rsrc_size); | |
5860 | if (unlikely(rc)) | |
5861 | return -EIO; | |
5862 | ||
5863 | if ((rsrc_cnt == 0) || (rsrc_size == 0)) { | |
5864 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5865 | "3009 No available Resource Extents " | |
5866 | "for resource type 0x%x: Count: 0x%x, " | |
5867 | "Size 0x%x\n", type, rsrc_cnt, | |
5868 | rsrc_size); | |
5869 | return -ENOMEM; | |
5870 | } | |
5871 | ||
8a9d2e80 JS |
5872 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT | LOG_SLI, |
5873 | "2903 Post resource extents type-0x%x: " | |
5874 | "count:%d, size %d\n", type, rsrc_cnt, rsrc_size); | |
6d368e53 JS |
5875 | |
5876 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5877 | if (!mbox) | |
5878 | return -ENOMEM; | |
5879 | ||
8a9d2e80 | 5880 | rc = lpfc_sli4_cfg_post_extnts(phba, rsrc_cnt, type, &emb, mbox); |
6d368e53 JS |
5881 | if (unlikely(rc)) { |
5882 | rc = -EIO; | |
5883 | goto err_exit; | |
5884 | } | |
5885 | ||
5886 | /* | |
5887 | * Figure out where the response is located. Then get local pointers | |
5888 | * to the response data. The port does not guarantee to respond to | |
5889 | * all extents counts request so update the local variable with the | |
5890 | * allocated count from the port. | |
5891 | */ | |
5892 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
5893 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
5894 | id_array = &rsrc_ext->u.rsp.id[0]; | |
5895 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
5896 | } else { | |
5897 | virtaddr = mbox->sge_array->addr[0]; | |
5898 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
5899 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
5900 | id_array = &n_rsrc->id; | |
5901 | } | |
5902 | ||
5903 | longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5904 | rsrc_id_cnt = rsrc_cnt * rsrc_size; | |
5905 | ||
5906 | /* | |
5907 | * Based on the resource size and count, correct the base and max | |
5908 | * resource values. | |
5909 | */ | |
5910 | length = sizeof(struct lpfc_rsrc_blks); | |
5911 | switch (type) { | |
5912 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6396bb22 | 5913 | phba->sli4_hba.rpi_bmask = kcalloc(longs, |
6d368e53 JS |
5914 | sizeof(unsigned long), |
5915 | GFP_KERNEL); | |
5916 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
5917 | rc = -ENOMEM; | |
5918 | goto err_exit; | |
5919 | } | |
6396bb22 | 5920 | phba->sli4_hba.rpi_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
5921 | sizeof(uint16_t), |
5922 | GFP_KERNEL); | |
5923 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
5924 | kfree(phba->sli4_hba.rpi_bmask); | |
5925 | rc = -ENOMEM; | |
5926 | goto err_exit; | |
5927 | } | |
5928 | ||
5929 | /* | |
5930 | * The next_rpi was initialized with the maximum available | |
5931 | * count but the port may allocate a smaller number. Catch | |
5932 | * that case and update the next_rpi. | |
5933 | */ | |
5934 | phba->sli4_hba.next_rpi = rsrc_id_cnt; | |
5935 | ||
5936 | /* Initialize local ptrs for common extent processing later. */ | |
5937 | bmask = phba->sli4_hba.rpi_bmask; | |
5938 | ids = phba->sli4_hba.rpi_ids; | |
5939 | ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5940 | break; | |
5941 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6396bb22 | 5942 | phba->vpi_bmask = kcalloc(longs, sizeof(unsigned long), |
6d368e53 JS |
5943 | GFP_KERNEL); |
5944 | if (unlikely(!phba->vpi_bmask)) { | |
5945 | rc = -ENOMEM; | |
5946 | goto err_exit; | |
5947 | } | |
6396bb22 | 5948 | phba->vpi_ids = kcalloc(rsrc_id_cnt, sizeof(uint16_t), |
6d368e53 JS |
5949 | GFP_KERNEL); |
5950 | if (unlikely(!phba->vpi_ids)) { | |
5951 | kfree(phba->vpi_bmask); | |
5952 | rc = -ENOMEM; | |
5953 | goto err_exit; | |
5954 | } | |
5955 | ||
5956 | /* Initialize local ptrs for common extent processing later. */ | |
5957 | bmask = phba->vpi_bmask; | |
5958 | ids = phba->vpi_ids; | |
5959 | ext_blk_list = &phba->lpfc_vpi_blk_list; | |
5960 | break; | |
5961 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6396bb22 | 5962 | phba->sli4_hba.xri_bmask = kcalloc(longs, |
6d368e53 JS |
5963 | sizeof(unsigned long), |
5964 | GFP_KERNEL); | |
5965 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
5966 | rc = -ENOMEM; | |
5967 | goto err_exit; | |
5968 | } | |
8a9d2e80 | 5969 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6396bb22 | 5970 | phba->sli4_hba.xri_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
5971 | sizeof(uint16_t), |
5972 | GFP_KERNEL); | |
5973 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
5974 | kfree(phba->sli4_hba.xri_bmask); | |
5975 | rc = -ENOMEM; | |
5976 | goto err_exit; | |
5977 | } | |
5978 | ||
5979 | /* Initialize local ptrs for common extent processing later. */ | |
5980 | bmask = phba->sli4_hba.xri_bmask; | |
5981 | ids = phba->sli4_hba.xri_ids; | |
5982 | ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5983 | break; | |
5984 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6396bb22 | 5985 | phba->sli4_hba.vfi_bmask = kcalloc(longs, |
6d368e53 JS |
5986 | sizeof(unsigned long), |
5987 | GFP_KERNEL); | |
5988 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
5989 | rc = -ENOMEM; | |
5990 | goto err_exit; | |
5991 | } | |
6396bb22 | 5992 | phba->sli4_hba.vfi_ids = kcalloc(rsrc_id_cnt, |
6d368e53 JS |
5993 | sizeof(uint16_t), |
5994 | GFP_KERNEL); | |
5995 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
5996 | kfree(phba->sli4_hba.vfi_bmask); | |
5997 | rc = -ENOMEM; | |
5998 | goto err_exit; | |
5999 | } | |
6000 | ||
6001 | /* Initialize local ptrs for common extent processing later. */ | |
6002 | bmask = phba->sli4_hba.vfi_bmask; | |
6003 | ids = phba->sli4_hba.vfi_ids; | |
6004 | ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
6005 | break; | |
6006 | default: | |
6007 | /* Unsupported Opcode. Fail call. */ | |
6008 | id_array = NULL; | |
6009 | bmask = NULL; | |
6010 | ids = NULL; | |
6011 | ext_blk_list = NULL; | |
6012 | goto err_exit; | |
6013 | } | |
6014 | ||
6015 | /* | |
6016 | * Complete initializing the extent configuration with the | |
6017 | * allocated ids assigned to this function. The bitmask serves | |
6018 | * as an index into the array and manages the available ids. The | |
6019 | * array just stores the ids communicated to the port via the wqes. | |
6020 | */ | |
6021 | for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) { | |
6022 | if ((i % 2) == 0) | |
6023 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0, | |
6024 | &id_array[k]); | |
6025 | else | |
6026 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1, | |
6027 | &id_array[k]); | |
6028 | ||
6029 | rsrc_blks = kzalloc(length, GFP_KERNEL); | |
6030 | if (unlikely(!rsrc_blks)) { | |
6031 | rc = -ENOMEM; | |
6032 | kfree(bmask); | |
6033 | kfree(ids); | |
6034 | goto err_exit; | |
6035 | } | |
6036 | rsrc_blks->rsrc_start = rsrc_id; | |
6037 | rsrc_blks->rsrc_size = rsrc_size; | |
6038 | list_add_tail(&rsrc_blks->list, ext_blk_list); | |
6039 | rsrc_start = rsrc_id; | |
895427bd | 6040 | if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) { |
5e5b511d | 6041 | phba->sli4_hba.io_xri_start = rsrc_start + |
895427bd | 6042 | lpfc_sli4_get_iocb_cnt(phba); |
895427bd | 6043 | } |
6d368e53 JS |
6044 | |
6045 | while (rsrc_id < (rsrc_start + rsrc_size)) { | |
6046 | ids[j] = rsrc_id; | |
6047 | rsrc_id++; | |
6048 | j++; | |
6049 | } | |
6050 | /* Entire word processed. Get next word.*/ | |
6051 | if ((i % 2) == 1) | |
6052 | k++; | |
6053 | } | |
6054 | err_exit: | |
6055 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
6056 | return rc; | |
6057 | } | |
6058 | ||
895427bd JS |
6059 | |
6060 | ||
6d368e53 JS |
6061 | /** |
6062 | * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent. | |
6063 | * @phba: Pointer to HBA context object. | |
6064 | * @type: the extent's type. | |
6065 | * | |
6066 | * This function deallocates all extents of a particular resource type. | |
6067 | * SLI4 does not allow for deallocating a particular extent range. It | |
6068 | * is the caller's responsibility to release all kernel memory resources. | |
6069 | **/ | |
6070 | static int | |
6071 | lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type) | |
6072 | { | |
6073 | int rc; | |
6074 | uint32_t length, mbox_tmo = 0; | |
6075 | LPFC_MBOXQ_t *mbox; | |
6076 | struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc; | |
6077 | struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next; | |
6078 | ||
6079 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6080 | if (!mbox) | |
6081 | return -ENOMEM; | |
6082 | ||
6083 | /* | |
6084 | * This function sends an embedded mailbox because it only sends the | |
6085 | * the resource type. All extents of this type are released by the | |
6086 | * port. | |
6087 | */ | |
6088 | length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) - | |
6089 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6090 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6091 | LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT, | |
6092 | length, LPFC_SLI4_MBX_EMBED); | |
6093 | ||
6094 | /* Send an extents count of 0 - the dealloc doesn't use it. */ | |
6095 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
6096 | LPFC_SLI4_MBX_EMBED); | |
6097 | if (unlikely(rc)) { | |
6098 | rc = -EIO; | |
6099 | goto out_free_mbox; | |
6100 | } | |
6101 | if (!phba->sli4_hba.intr_enable) | |
6102 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6103 | else { | |
a183a15f | 6104 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
6105 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6106 | } | |
6107 | if (unlikely(rc)) { | |
6108 | rc = -EIO; | |
6109 | goto out_free_mbox; | |
6110 | } | |
6111 | ||
6112 | dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents; | |
6113 | if (bf_get(lpfc_mbox_hdr_status, | |
6114 | &dealloc_rsrc->header.cfg_shdr.response)) { | |
6115 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
6116 | "2919 Failed to release resource extents " | |
6117 | "for type %d - Status 0x%x Add'l Status 0x%x. " | |
6118 | "Resource memory not released.\n", | |
6119 | type, | |
6120 | bf_get(lpfc_mbox_hdr_status, | |
6121 | &dealloc_rsrc->header.cfg_shdr.response), | |
6122 | bf_get(lpfc_mbox_hdr_add_status, | |
6123 | &dealloc_rsrc->header.cfg_shdr.response)); | |
6124 | rc = -EIO; | |
6125 | goto out_free_mbox; | |
6126 | } | |
6127 | ||
6128 | /* Release kernel memory resources for the specific type. */ | |
6129 | switch (type) { | |
6130 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6131 | kfree(phba->vpi_bmask); | |
6132 | kfree(phba->vpi_ids); | |
6133 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6134 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6135 | &phba->lpfc_vpi_blk_list, list) { | |
6136 | list_del_init(&rsrc_blk->list); | |
6137 | kfree(rsrc_blk); | |
6138 | } | |
16a3a208 | 6139 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6140 | break; |
6141 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6142 | kfree(phba->sli4_hba.xri_bmask); | |
6143 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6144 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, |
6145 | &phba->sli4_hba.lpfc_xri_blk_list, list) { | |
6146 | list_del_init(&rsrc_blk->list); | |
6147 | kfree(rsrc_blk); | |
6148 | } | |
6149 | break; | |
6150 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6151 | kfree(phba->sli4_hba.vfi_bmask); | |
6152 | kfree(phba->sli4_hba.vfi_ids); | |
6153 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6154 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6155 | &phba->sli4_hba.lpfc_vfi_blk_list, list) { | |
6156 | list_del_init(&rsrc_blk->list); | |
6157 | kfree(rsrc_blk); | |
6158 | } | |
6159 | break; | |
6160 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6161 | /* RPI bitmask and physical id array are cleaned up earlier. */ | |
6162 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
6163 | &phba->sli4_hba.lpfc_rpi_blk_list, list) { | |
6164 | list_del_init(&rsrc_blk->list); | |
6165 | kfree(rsrc_blk); | |
6166 | } | |
6167 | break; | |
6168 | default: | |
6169 | break; | |
6170 | } | |
6171 | ||
6172 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6173 | ||
6174 | out_free_mbox: | |
6175 | mempool_free(mbox, phba->mbox_mem_pool); | |
6176 | return rc; | |
6177 | } | |
6178 | ||
bd4b3e5c | 6179 | static void |
7bdedb34 JS |
6180 | lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, |
6181 | uint32_t feature) | |
65791f1f | 6182 | { |
65791f1f | 6183 | uint32_t len; |
65791f1f | 6184 | |
65791f1f JS |
6185 | len = sizeof(struct lpfc_mbx_set_feature) - |
6186 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
6187 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6188 | LPFC_MBOX_OPCODE_SET_FEATURES, len, | |
6189 | LPFC_SLI4_MBX_EMBED); | |
7bdedb34 JS |
6190 | |
6191 | switch (feature) { | |
6192 | case LPFC_SET_UE_RECOVERY: | |
6193 | bf_set(lpfc_mbx_set_feature_UER, | |
6194 | &mbox->u.mqe.un.set_feature, 1); | |
6195 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_UE_RECOVERY; | |
6196 | mbox->u.mqe.un.set_feature.param_len = 8; | |
6197 | break; | |
6198 | case LPFC_SET_MDS_DIAGS: | |
6199 | bf_set(lpfc_mbx_set_feature_mds, | |
6200 | &mbox->u.mqe.un.set_feature, 1); | |
6201 | bf_set(lpfc_mbx_set_feature_mds_deep_loopbk, | |
ae9e28f3 | 6202 | &mbox->u.mqe.un.set_feature, 1); |
7bdedb34 JS |
6203 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_MDS_DIAGS; |
6204 | mbox->u.mqe.un.set_feature.param_len = 8; | |
6205 | break; | |
171f6c41 JS |
6206 | case LPFC_SET_DUAL_DUMP: |
6207 | bf_set(lpfc_mbx_set_feature_dd, | |
6208 | &mbox->u.mqe.un.set_feature, LPFC_ENABLE_DUAL_DUMP); | |
6209 | bf_set(lpfc_mbx_set_feature_ddquery, | |
6210 | &mbox->u.mqe.un.set_feature, 0); | |
6211 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_DUAL_DUMP; | |
6212 | mbox->u.mqe.un.set_feature.param_len = 4; | |
6213 | break; | |
65791f1f | 6214 | } |
7bdedb34 JS |
6215 | |
6216 | return; | |
65791f1f JS |
6217 | } |
6218 | ||
1165a5c2 JS |
6219 | /** |
6220 | * lpfc_ras_stop_fwlog: Disable FW logging by the adapter | |
6221 | * @phba: Pointer to HBA context object. | |
6222 | * | |
6223 | * Disable FW logging into host memory on the adapter. To | |
6224 | * be done before reading logs from the host memory. | |
6225 | **/ | |
6226 | void | |
6227 | lpfc_ras_stop_fwlog(struct lpfc_hba *phba) | |
6228 | { | |
6229 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6230 | ||
95bfc6d8 JS |
6231 | spin_lock_irq(&phba->hbalock); |
6232 | ras_fwlog->state = INACTIVE; | |
6233 | spin_unlock_irq(&phba->hbalock); | |
1165a5c2 JS |
6234 | |
6235 | /* Disable FW logging to host memory */ | |
6236 | writel(LPFC_CTL_PDEV_CTL_DDL_RAS, | |
6237 | phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); | |
95bfc6d8 JS |
6238 | |
6239 | /* Wait 10ms for firmware to stop using DMA buffer */ | |
6240 | usleep_range(10 * 1000, 20 * 1000); | |
1165a5c2 JS |
6241 | } |
6242 | ||
d2cc9bcd JS |
6243 | /** |
6244 | * lpfc_sli4_ras_dma_free - Free memory allocated for FW logging. | |
6245 | * @phba: Pointer to HBA context object. | |
6246 | * | |
6247 | * This function is called to free memory allocated for RAS FW logging | |
6248 | * support in the driver. | |
6249 | **/ | |
6250 | void | |
6251 | lpfc_sli4_ras_dma_free(struct lpfc_hba *phba) | |
6252 | { | |
6253 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6254 | struct lpfc_dmabuf *dmabuf, *next; | |
6255 | ||
6256 | if (!list_empty(&ras_fwlog->fwlog_buff_list)) { | |
6257 | list_for_each_entry_safe(dmabuf, next, | |
6258 | &ras_fwlog->fwlog_buff_list, | |
6259 | list) { | |
6260 | list_del(&dmabuf->list); | |
6261 | dma_free_coherent(&phba->pcidev->dev, | |
6262 | LPFC_RAS_MAX_ENTRY_SIZE, | |
6263 | dmabuf->virt, dmabuf->phys); | |
6264 | kfree(dmabuf); | |
6265 | } | |
6266 | } | |
6267 | ||
6268 | if (ras_fwlog->lwpd.virt) { | |
6269 | dma_free_coherent(&phba->pcidev->dev, | |
6270 | sizeof(uint32_t) * 2, | |
6271 | ras_fwlog->lwpd.virt, | |
6272 | ras_fwlog->lwpd.phys); | |
6273 | ras_fwlog->lwpd.virt = NULL; | |
6274 | } | |
6275 | ||
95bfc6d8 JS |
6276 | spin_lock_irq(&phba->hbalock); |
6277 | ras_fwlog->state = INACTIVE; | |
6278 | spin_unlock_irq(&phba->hbalock); | |
d2cc9bcd JS |
6279 | } |
6280 | ||
6281 | /** | |
6282 | * lpfc_sli4_ras_dma_alloc: Allocate memory for FW support | |
6283 | * @phba: Pointer to HBA context object. | |
6284 | * @fwlog_buff_count: Count of buffers to be created. | |
6285 | * | |
6286 | * This routine DMA memory for Log Write Position Data[LPWD] and buffer | |
6287 | * to update FW log is posted to the adapter. | |
6288 | * Buffer count is calculated based on module param ras_fwlog_buffsize | |
6289 | * Size of each buffer posted to FW is 64K. | |
6290 | **/ | |
6291 | ||
6292 | static int | |
6293 | lpfc_sli4_ras_dma_alloc(struct lpfc_hba *phba, | |
6294 | uint32_t fwlog_buff_count) | |
6295 | { | |
6296 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6297 | struct lpfc_dmabuf *dmabuf; | |
6298 | int rc = 0, i = 0; | |
6299 | ||
6300 | /* Initialize List */ | |
6301 | INIT_LIST_HEAD(&ras_fwlog->fwlog_buff_list); | |
6302 | ||
6303 | /* Allocate memory for the LWPD */ | |
6304 | ras_fwlog->lwpd.virt = dma_alloc_coherent(&phba->pcidev->dev, | |
6305 | sizeof(uint32_t) * 2, | |
6306 | &ras_fwlog->lwpd.phys, | |
6307 | GFP_KERNEL); | |
6308 | if (!ras_fwlog->lwpd.virt) { | |
cb34990b | 6309 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
d2cc9bcd JS |
6310 | "6185 LWPD Memory Alloc Failed\n"); |
6311 | ||
6312 | return -ENOMEM; | |
6313 | } | |
6314 | ||
6315 | ras_fwlog->fw_buffcount = fwlog_buff_count; | |
6316 | for (i = 0; i < ras_fwlog->fw_buffcount; i++) { | |
6317 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), | |
6318 | GFP_KERNEL); | |
6319 | if (!dmabuf) { | |
6320 | rc = -ENOMEM; | |
6321 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6322 | "6186 Memory Alloc failed FW logging"); | |
6323 | goto free_mem; | |
6324 | } | |
6325 | ||
750afb08 | 6326 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, |
d2cc9bcd | 6327 | LPFC_RAS_MAX_ENTRY_SIZE, |
750afb08 | 6328 | &dmabuf->phys, GFP_KERNEL); |
d2cc9bcd JS |
6329 | if (!dmabuf->virt) { |
6330 | kfree(dmabuf); | |
6331 | rc = -ENOMEM; | |
6332 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6333 | "6187 DMA Alloc Failed FW logging"); | |
6334 | goto free_mem; | |
6335 | } | |
d2cc9bcd JS |
6336 | dmabuf->buffer_tag = i; |
6337 | list_add_tail(&dmabuf->list, &ras_fwlog->fwlog_buff_list); | |
6338 | } | |
6339 | ||
6340 | free_mem: | |
6341 | if (rc) | |
6342 | lpfc_sli4_ras_dma_free(phba); | |
6343 | ||
6344 | return rc; | |
6345 | } | |
6346 | ||
6347 | /** | |
6348 | * lpfc_sli4_ras_mbox_cmpl: Completion handler for RAS MBX command | |
6349 | * @phba: pointer to lpfc hba data structure. | |
6350 | * @pmboxq: pointer to the driver internal queue element for mailbox command. | |
6351 | * | |
6352 | * Completion handler for driver's RAS MBX command to the device. | |
6353 | **/ | |
6354 | static void | |
6355 | lpfc_sli4_ras_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
6356 | { | |
6357 | MAILBOX_t *mb; | |
6358 | union lpfc_sli4_cfg_shdr *shdr; | |
6359 | uint32_t shdr_status, shdr_add_status; | |
6360 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6361 | ||
6362 | mb = &pmb->u.mb; | |
6363 | ||
6364 | shdr = (union lpfc_sli4_cfg_shdr *) | |
6365 | &pmb->u.mqe.un.ras_fwlog.header.cfg_shdr; | |
6366 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
6367 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
6368 | ||
6369 | if (mb->mbxStatus != MBX_SUCCESS || shdr_status) { | |
cb34990b | 6370 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, |
d2cc9bcd JS |
6371 | "6188 FW LOG mailbox " |
6372 | "completed with status x%x add_status x%x," | |
6373 | " mbx status x%x\n", | |
6374 | shdr_status, shdr_add_status, mb->mbxStatus); | |
cb34990b JS |
6375 | |
6376 | ras_fwlog->ras_hwsupport = false; | |
d2cc9bcd JS |
6377 | goto disable_ras; |
6378 | } | |
6379 | ||
95bfc6d8 JS |
6380 | spin_lock_irq(&phba->hbalock); |
6381 | ras_fwlog->state = ACTIVE; | |
6382 | spin_unlock_irq(&phba->hbalock); | |
d2cc9bcd JS |
6383 | mempool_free(pmb, phba->mbox_mem_pool); |
6384 | ||
6385 | return; | |
6386 | ||
6387 | disable_ras: | |
6388 | /* Free RAS DMA memory */ | |
6389 | lpfc_sli4_ras_dma_free(phba); | |
6390 | mempool_free(pmb, phba->mbox_mem_pool); | |
6391 | } | |
6392 | ||
6393 | /** | |
6394 | * lpfc_sli4_ras_fwlog_init: Initialize memory and post RAS MBX command | |
6395 | * @phba: pointer to lpfc hba data structure. | |
6396 | * @fwlog_level: Logging verbosity level. | |
6397 | * @fwlog_enable: Enable/Disable logging. | |
6398 | * | |
6399 | * Initialize memory and post mailbox command to enable FW logging in host | |
6400 | * memory. | |
6401 | **/ | |
6402 | int | |
6403 | lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba, | |
6404 | uint32_t fwlog_level, | |
6405 | uint32_t fwlog_enable) | |
6406 | { | |
6407 | struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; | |
6408 | struct lpfc_mbx_set_ras_fwlog *mbx_fwlog = NULL; | |
6409 | struct lpfc_dmabuf *dmabuf; | |
6410 | LPFC_MBOXQ_t *mbox; | |
6411 | uint32_t len = 0, fwlog_buffsize, fwlog_entry_count; | |
6412 | int rc = 0; | |
6413 | ||
95bfc6d8 JS |
6414 | spin_lock_irq(&phba->hbalock); |
6415 | ras_fwlog->state = INACTIVE; | |
6416 | spin_unlock_irq(&phba->hbalock); | |
6417 | ||
d2cc9bcd JS |
6418 | fwlog_buffsize = (LPFC_RAS_MIN_BUFF_POST_SIZE * |
6419 | phba->cfg_ras_fwlog_buffsize); | |
6420 | fwlog_entry_count = (fwlog_buffsize/LPFC_RAS_MAX_ENTRY_SIZE); | |
6421 | ||
6422 | /* | |
6423 | * If re-enabling FW logging support use earlier allocated | |
6424 | * DMA buffers while posting MBX command. | |
6425 | **/ | |
6426 | if (!ras_fwlog->lwpd.virt) { | |
6427 | rc = lpfc_sli4_ras_dma_alloc(phba, fwlog_entry_count); | |
6428 | if (rc) { | |
6429 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
cb34990b | 6430 | "6189 FW Log Memory Allocation Failed"); |
d2cc9bcd JS |
6431 | return rc; |
6432 | } | |
6433 | } | |
6434 | ||
6435 | /* Setup Mailbox command */ | |
6436 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6437 | if (!mbox) { | |
cb34990b | 6438 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
d2cc9bcd JS |
6439 | "6190 RAS MBX Alloc Failed"); |
6440 | rc = -ENOMEM; | |
6441 | goto mem_free; | |
6442 | } | |
6443 | ||
6444 | ras_fwlog->fw_loglevel = fwlog_level; | |
6445 | len = (sizeof(struct lpfc_mbx_set_ras_fwlog) - | |
6446 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
6447 | ||
6448 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_LOWLEVEL, | |
6449 | LPFC_MBOX_OPCODE_SET_DIAG_LOG_OPTION, | |
6450 | len, LPFC_SLI4_MBX_EMBED); | |
6451 | ||
6452 | mbx_fwlog = (struct lpfc_mbx_set_ras_fwlog *)&mbox->u.mqe.un.ras_fwlog; | |
6453 | bf_set(lpfc_fwlog_enable, &mbx_fwlog->u.request, | |
6454 | fwlog_enable); | |
6455 | bf_set(lpfc_fwlog_loglvl, &mbx_fwlog->u.request, | |
6456 | ras_fwlog->fw_loglevel); | |
6457 | bf_set(lpfc_fwlog_buffcnt, &mbx_fwlog->u.request, | |
6458 | ras_fwlog->fw_buffcount); | |
6459 | bf_set(lpfc_fwlog_buffsz, &mbx_fwlog->u.request, | |
6460 | LPFC_RAS_MAX_ENTRY_SIZE/SLI4_PAGE_SIZE); | |
6461 | ||
6462 | /* Update DMA buffer address */ | |
6463 | list_for_each_entry(dmabuf, &ras_fwlog->fwlog_buff_list, list) { | |
6464 | memset(dmabuf->virt, 0, LPFC_RAS_MAX_ENTRY_SIZE); | |
6465 | ||
6466 | mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_lo = | |
6467 | putPaddrLow(dmabuf->phys); | |
6468 | ||
6469 | mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_hi = | |
6470 | putPaddrHigh(dmabuf->phys); | |
6471 | } | |
6472 | ||
6473 | /* Update LPWD address */ | |
6474 | mbx_fwlog->u.request.lwpd.addr_lo = putPaddrLow(ras_fwlog->lwpd.phys); | |
6475 | mbx_fwlog->u.request.lwpd.addr_hi = putPaddrHigh(ras_fwlog->lwpd.phys); | |
6476 | ||
95bfc6d8 JS |
6477 | spin_lock_irq(&phba->hbalock); |
6478 | ras_fwlog->state = REG_INPROGRESS; | |
6479 | spin_unlock_irq(&phba->hbalock); | |
d2cc9bcd JS |
6480 | mbox->vport = phba->pport; |
6481 | mbox->mbox_cmpl = lpfc_sli4_ras_mbox_cmpl; | |
6482 | ||
6483 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
6484 | ||
6485 | if (rc == MBX_NOT_FINISHED) { | |
cb34990b JS |
6486 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
6487 | "6191 FW-Log Mailbox failed. " | |
d2cc9bcd JS |
6488 | "status %d mbxStatus : x%x", rc, |
6489 | bf_get(lpfc_mqe_status, &mbox->u.mqe)); | |
6490 | mempool_free(mbox, phba->mbox_mem_pool); | |
6491 | rc = -EIO; | |
6492 | goto mem_free; | |
6493 | } else | |
6494 | rc = 0; | |
6495 | mem_free: | |
6496 | if (rc) | |
6497 | lpfc_sli4_ras_dma_free(phba); | |
6498 | ||
6499 | return rc; | |
6500 | } | |
6501 | ||
6502 | /** | |
6503 | * lpfc_sli4_ras_setup - Check if RAS supported on the adapter | |
6504 | * @phba: Pointer to HBA context object. | |
6505 | * | |
6506 | * Check if RAS is supported on the adapter and initialize it. | |
6507 | **/ | |
6508 | void | |
6509 | lpfc_sli4_ras_setup(struct lpfc_hba *phba) | |
6510 | { | |
6511 | /* Check RAS FW Log needs to be enabled or not */ | |
6512 | if (lpfc_check_fwlog_support(phba)) | |
6513 | return; | |
6514 | ||
6515 | lpfc_sli4_ras_fwlog_init(phba, phba->cfg_ras_fwlog_level, | |
6516 | LPFC_RAS_ENABLE_LOGGING); | |
6517 | } | |
6518 | ||
6d368e53 JS |
6519 | /** |
6520 | * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents. | |
6521 | * @phba: Pointer to HBA context object. | |
6522 | * | |
6523 | * This function allocates all SLI4 resource identifiers. | |
6524 | **/ | |
6525 | int | |
6526 | lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) | |
6527 | { | |
6528 | int i, rc, error = 0; | |
6529 | uint16_t count, base; | |
6530 | unsigned long longs; | |
6531 | ||
ff78d8f9 JS |
6532 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
6533 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi; | |
6d368e53 JS |
6534 | if (phba->sli4_hba.extents_in_use) { |
6535 | /* | |
6536 | * The port supports resource extents. The XRI, VPI, VFI, RPI | |
6537 | * resource extent count must be read and allocated before | |
6538 | * provisioning the resource id arrays. | |
6539 | */ | |
6540 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
6541 | LPFC_IDX_RSRC_RDY) { | |
6542 | /* | |
6543 | * Extent-based resources are set - the driver could | |
6544 | * be in a port reset. Figure out if any corrective | |
6545 | * actions need to be taken. | |
6546 | */ | |
6547 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6548 | LPFC_RSC_TYPE_FCOE_VFI); | |
6549 | if (rc != 0) | |
6550 | error++; | |
6551 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6552 | LPFC_RSC_TYPE_FCOE_VPI); | |
6553 | if (rc != 0) | |
6554 | error++; | |
6555 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6556 | LPFC_RSC_TYPE_FCOE_XRI); | |
6557 | if (rc != 0) | |
6558 | error++; | |
6559 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
6560 | LPFC_RSC_TYPE_FCOE_RPI); | |
6561 | if (rc != 0) | |
6562 | error++; | |
6563 | ||
6564 | /* | |
6565 | * It's possible that the number of resources | |
6566 | * provided to this port instance changed between | |
6567 | * resets. Detect this condition and reallocate | |
6568 | * resources. Otherwise, there is no action. | |
6569 | */ | |
6570 | if (error) { | |
6571 | lpfc_printf_log(phba, KERN_INFO, | |
6572 | LOG_MBOX | LOG_INIT, | |
6573 | "2931 Detected extent resource " | |
6574 | "change. Reallocating all " | |
6575 | "extents.\n"); | |
6576 | rc = lpfc_sli4_dealloc_extent(phba, | |
6577 | LPFC_RSC_TYPE_FCOE_VFI); | |
6578 | rc = lpfc_sli4_dealloc_extent(phba, | |
6579 | LPFC_RSC_TYPE_FCOE_VPI); | |
6580 | rc = lpfc_sli4_dealloc_extent(phba, | |
6581 | LPFC_RSC_TYPE_FCOE_XRI); | |
6582 | rc = lpfc_sli4_dealloc_extent(phba, | |
6583 | LPFC_RSC_TYPE_FCOE_RPI); | |
6584 | } else | |
6585 | return 0; | |
6586 | } | |
6587 | ||
6588 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6589 | if (unlikely(rc)) | |
6590 | goto err_exit; | |
6591 | ||
6592 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6593 | if (unlikely(rc)) | |
6594 | goto err_exit; | |
6595 | ||
6596 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6597 | if (unlikely(rc)) | |
6598 | goto err_exit; | |
6599 | ||
6600 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6601 | if (unlikely(rc)) | |
6602 | goto err_exit; | |
6603 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6604 | LPFC_IDX_RSRC_RDY); | |
6605 | return rc; | |
6606 | } else { | |
6607 | /* | |
6608 | * The port does not support resource extents. The XRI, VPI, | |
6609 | * VFI, RPI resource ids were determined from READ_CONFIG. | |
6610 | * Just allocate the bitmasks and provision the resource id | |
6611 | * arrays. If a port reset is active, the resources don't | |
6612 | * need any action - just exit. | |
6613 | */ | |
6614 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
ff78d8f9 JS |
6615 | LPFC_IDX_RSRC_RDY) { |
6616 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
6617 | lpfc_sli4_remove_rpis(phba); | |
6618 | } | |
6d368e53 JS |
6619 | /* RPIs. */ |
6620 | count = phba->sli4_hba.max_cfg_param.max_rpi; | |
0a630c27 JS |
6621 | if (count <= 0) { |
6622 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6623 | "3279 Invalid provisioning of " | |
6624 | "rpi:%d\n", count); | |
6625 | rc = -EINVAL; | |
6626 | goto err_exit; | |
6627 | } | |
6d368e53 JS |
6628 | base = phba->sli4_hba.max_cfg_param.rpi_base; |
6629 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6630 | phba->sli4_hba.rpi_bmask = kcalloc(longs, |
6d368e53 JS |
6631 | sizeof(unsigned long), |
6632 | GFP_KERNEL); | |
6633 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
6634 | rc = -ENOMEM; | |
6635 | goto err_exit; | |
6636 | } | |
6396bb22 | 6637 | phba->sli4_hba.rpi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6638 | GFP_KERNEL); |
6639 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
6640 | rc = -ENOMEM; | |
6641 | goto free_rpi_bmask; | |
6642 | } | |
6643 | ||
6644 | for (i = 0; i < count; i++) | |
6645 | phba->sli4_hba.rpi_ids[i] = base + i; | |
6646 | ||
6647 | /* VPIs. */ | |
6648 | count = phba->sli4_hba.max_cfg_param.max_vpi; | |
0a630c27 JS |
6649 | if (count <= 0) { |
6650 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6651 | "3280 Invalid provisioning of " | |
6652 | "vpi:%d\n", count); | |
6653 | rc = -EINVAL; | |
6654 | goto free_rpi_ids; | |
6655 | } | |
6d368e53 JS |
6656 | base = phba->sli4_hba.max_cfg_param.vpi_base; |
6657 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6658 | phba->vpi_bmask = kcalloc(longs, sizeof(unsigned long), |
6d368e53 JS |
6659 | GFP_KERNEL); |
6660 | if (unlikely(!phba->vpi_bmask)) { | |
6661 | rc = -ENOMEM; | |
6662 | goto free_rpi_ids; | |
6663 | } | |
6396bb22 | 6664 | phba->vpi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6665 | GFP_KERNEL); |
6666 | if (unlikely(!phba->vpi_ids)) { | |
6667 | rc = -ENOMEM; | |
6668 | goto free_vpi_bmask; | |
6669 | } | |
6670 | ||
6671 | for (i = 0; i < count; i++) | |
6672 | phba->vpi_ids[i] = base + i; | |
6673 | ||
6674 | /* XRIs. */ | |
6675 | count = phba->sli4_hba.max_cfg_param.max_xri; | |
0a630c27 JS |
6676 | if (count <= 0) { |
6677 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6678 | "3281 Invalid provisioning of " | |
6679 | "xri:%d\n", count); | |
6680 | rc = -EINVAL; | |
6681 | goto free_vpi_ids; | |
6682 | } | |
6d368e53 JS |
6683 | base = phba->sli4_hba.max_cfg_param.xri_base; |
6684 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6685 | phba->sli4_hba.xri_bmask = kcalloc(longs, |
6d368e53 JS |
6686 | sizeof(unsigned long), |
6687 | GFP_KERNEL); | |
6688 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
6689 | rc = -ENOMEM; | |
6690 | goto free_vpi_ids; | |
6691 | } | |
41899be7 | 6692 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6396bb22 | 6693 | phba->sli4_hba.xri_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6694 | GFP_KERNEL); |
6695 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
6696 | rc = -ENOMEM; | |
6697 | goto free_xri_bmask; | |
6698 | } | |
6699 | ||
6700 | for (i = 0; i < count; i++) | |
6701 | phba->sli4_hba.xri_ids[i] = base + i; | |
6702 | ||
6703 | /* VFIs. */ | |
6704 | count = phba->sli4_hba.max_cfg_param.max_vfi; | |
0a630c27 JS |
6705 | if (count <= 0) { |
6706 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6707 | "3282 Invalid provisioning of " | |
6708 | "vfi:%d\n", count); | |
6709 | rc = -EINVAL; | |
6710 | goto free_xri_ids; | |
6711 | } | |
6d368e53 JS |
6712 | base = phba->sli4_hba.max_cfg_param.vfi_base; |
6713 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6396bb22 | 6714 | phba->sli4_hba.vfi_bmask = kcalloc(longs, |
6d368e53 JS |
6715 | sizeof(unsigned long), |
6716 | GFP_KERNEL); | |
6717 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
6718 | rc = -ENOMEM; | |
6719 | goto free_xri_ids; | |
6720 | } | |
6396bb22 | 6721 | phba->sli4_hba.vfi_ids = kcalloc(count, sizeof(uint16_t), |
6d368e53 JS |
6722 | GFP_KERNEL); |
6723 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
6724 | rc = -ENOMEM; | |
6725 | goto free_vfi_bmask; | |
6726 | } | |
6727 | ||
6728 | for (i = 0; i < count; i++) | |
6729 | phba->sli4_hba.vfi_ids[i] = base + i; | |
6730 | ||
6731 | /* | |
6732 | * Mark all resources ready. An HBA reset doesn't need | |
6733 | * to reset the initialization. | |
6734 | */ | |
6735 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6736 | LPFC_IDX_RSRC_RDY); | |
6737 | return 0; | |
6738 | } | |
6739 | ||
6740 | free_vfi_bmask: | |
6741 | kfree(phba->sli4_hba.vfi_bmask); | |
cd60be49 | 6742 | phba->sli4_hba.vfi_bmask = NULL; |
6d368e53 JS |
6743 | free_xri_ids: |
6744 | kfree(phba->sli4_hba.xri_ids); | |
cd60be49 | 6745 | phba->sli4_hba.xri_ids = NULL; |
6d368e53 JS |
6746 | free_xri_bmask: |
6747 | kfree(phba->sli4_hba.xri_bmask); | |
cd60be49 | 6748 | phba->sli4_hba.xri_bmask = NULL; |
6d368e53 JS |
6749 | free_vpi_ids: |
6750 | kfree(phba->vpi_ids); | |
cd60be49 | 6751 | phba->vpi_ids = NULL; |
6d368e53 JS |
6752 | free_vpi_bmask: |
6753 | kfree(phba->vpi_bmask); | |
cd60be49 | 6754 | phba->vpi_bmask = NULL; |
6d368e53 JS |
6755 | free_rpi_ids: |
6756 | kfree(phba->sli4_hba.rpi_ids); | |
cd60be49 | 6757 | phba->sli4_hba.rpi_ids = NULL; |
6d368e53 JS |
6758 | free_rpi_bmask: |
6759 | kfree(phba->sli4_hba.rpi_bmask); | |
cd60be49 | 6760 | phba->sli4_hba.rpi_bmask = NULL; |
6d368e53 JS |
6761 | err_exit: |
6762 | return rc; | |
6763 | } | |
6764 | ||
6765 | /** | |
6766 | * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents. | |
6767 | * @phba: Pointer to HBA context object. | |
6768 | * | |
6769 | * This function allocates the number of elements for the specified | |
6770 | * resource type. | |
6771 | **/ | |
6772 | int | |
6773 | lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba) | |
6774 | { | |
6775 | if (phba->sli4_hba.extents_in_use) { | |
6776 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6777 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6778 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6779 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6780 | } else { | |
6781 | kfree(phba->vpi_bmask); | |
16a3a208 | 6782 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6783 | kfree(phba->vpi_ids); |
6784 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6785 | kfree(phba->sli4_hba.xri_bmask); | |
6786 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6787 | kfree(phba->sli4_hba.vfi_bmask); |
6788 | kfree(phba->sli4_hba.vfi_ids); | |
6789 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6790 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6791 | } | |
6792 | ||
6793 | return 0; | |
6794 | } | |
6795 | ||
b76f2dc9 JS |
6796 | /** |
6797 | * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents. | |
6798 | * @phba: Pointer to HBA context object. | |
6799 | * @type: The resource extent type. | |
6800 | * @extnt_count: buffer to hold port extent count response | |
6801 | * @extnt_size: buffer to hold port extent size response. | |
6802 | * | |
6803 | * This function calls the port to read the host allocated extents | |
6804 | * for a particular type. | |
6805 | **/ | |
6806 | int | |
6807 | lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type, | |
6808 | uint16_t *extnt_cnt, uint16_t *extnt_size) | |
6809 | { | |
6810 | bool emb; | |
6811 | int rc = 0; | |
6812 | uint16_t curr_blks = 0; | |
6813 | uint32_t req_len, emb_len; | |
6814 | uint32_t alloc_len, mbox_tmo; | |
6815 | struct list_head *blk_list_head; | |
6816 | struct lpfc_rsrc_blks *rsrc_blk; | |
6817 | LPFC_MBOXQ_t *mbox; | |
6818 | void *virtaddr = NULL; | |
6819 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
6820 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
6821 | union lpfc_sli4_cfg_shdr *shdr; | |
6822 | ||
6823 | switch (type) { | |
6824 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6825 | blk_list_head = &phba->lpfc_vpi_blk_list; | |
6826 | break; | |
6827 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6828 | blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list; | |
6829 | break; | |
6830 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6831 | blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list; | |
6832 | break; | |
6833 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6834 | blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list; | |
6835 | break; | |
6836 | default: | |
6837 | return -EIO; | |
6838 | } | |
6839 | ||
6840 | /* Count the number of extents currently allocatd for this type. */ | |
6841 | list_for_each_entry(rsrc_blk, blk_list_head, list) { | |
6842 | if (curr_blks == 0) { | |
6843 | /* | |
6844 | * The GET_ALLOCATED mailbox does not return the size, | |
6845 | * just the count. The size should be just the size | |
6846 | * stored in the current allocated block and all sizes | |
6847 | * for an extent type are the same so set the return | |
6848 | * value now. | |
6849 | */ | |
6850 | *extnt_size = rsrc_blk->rsrc_size; | |
6851 | } | |
6852 | curr_blks++; | |
6853 | } | |
6854 | ||
b76f2dc9 JS |
6855 | /* |
6856 | * Calculate the size of an embedded mailbox. The uint32_t | |
6857 | * accounts for extents-specific word. | |
6858 | */ | |
6859 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
6860 | sizeof(uint32_t); | |
6861 | ||
6862 | /* | |
6863 | * Presume the allocation and response will fit into an embedded | |
6864 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
6865 | */ | |
6866 | emb = LPFC_SLI4_MBX_EMBED; | |
6867 | req_len = emb_len; | |
6868 | if (req_len > emb_len) { | |
6869 | req_len = curr_blks * sizeof(uint16_t) + | |
6870 | sizeof(union lpfc_sli4_cfg_shdr) + | |
6871 | sizeof(uint32_t); | |
6872 | emb = LPFC_SLI4_MBX_NEMBED; | |
6873 | } | |
6874 | ||
6875 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6876 | if (!mbox) | |
6877 | return -ENOMEM; | |
6878 | memset(mbox, 0, sizeof(LPFC_MBOXQ_t)); | |
6879 | ||
6880 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6881 | LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT, | |
6882 | req_len, emb); | |
6883 | if (alloc_len < req_len) { | |
6884 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6885 | "2983 Allocated DMA memory size (x%x) is " | |
6886 | "less than the requested DMA memory " | |
6887 | "size (x%x)\n", alloc_len, req_len); | |
6888 | rc = -ENOMEM; | |
6889 | goto err_exit; | |
6890 | } | |
6891 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb); | |
6892 | if (unlikely(rc)) { | |
6893 | rc = -EIO; | |
6894 | goto err_exit; | |
6895 | } | |
6896 | ||
6897 | if (!phba->sli4_hba.intr_enable) | |
6898 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6899 | else { | |
a183a15f | 6900 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
b76f2dc9 JS |
6901 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6902 | } | |
6903 | ||
6904 | if (unlikely(rc)) { | |
6905 | rc = -EIO; | |
6906 | goto err_exit; | |
6907 | } | |
6908 | ||
6909 | /* | |
6910 | * Figure out where the response is located. Then get local pointers | |
6911 | * to the response data. The port does not guarantee to respond to | |
6912 | * all extents counts request so update the local variable with the | |
6913 | * allocated count from the port. | |
6914 | */ | |
6915 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
6916 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
6917 | shdr = &rsrc_ext->header.cfg_shdr; | |
6918 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
6919 | } else { | |
6920 | virtaddr = mbox->sge_array->addr[0]; | |
6921 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
6922 | shdr = &n_rsrc->cfg_shdr; | |
6923 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
6924 | } | |
6925 | ||
6926 | if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) { | |
6927 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
6928 | "2984 Failed to read allocated resources " | |
6929 | "for type %d - Status 0x%x Add'l Status 0x%x.\n", | |
6930 | type, | |
6931 | bf_get(lpfc_mbox_hdr_status, &shdr->response), | |
6932 | bf_get(lpfc_mbox_hdr_add_status, &shdr->response)); | |
6933 | rc = -EIO; | |
6934 | goto err_exit; | |
6935 | } | |
6936 | err_exit: | |
6937 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
6938 | return rc; | |
6939 | } | |
6940 | ||
8a9d2e80 | 6941 | /** |
0ef69968 | 6942 | * lpfc_sli4_repost_sgl_list - Repost the buffers sgl pages as block |
8a9d2e80 | 6943 | * @phba: pointer to lpfc hba data structure. |
895427bd JS |
6944 | * @pring: Pointer to driver SLI ring object. |
6945 | * @sgl_list: linked link of sgl buffers to post | |
6946 | * @cnt: number of linked list buffers | |
8a9d2e80 | 6947 | * |
895427bd | 6948 | * This routine walks the list of buffers that have been allocated and |
8a9d2e80 JS |
6949 | * repost them to the port by using SGL block post. This is needed after a |
6950 | * pci_function_reset/warm_start or start. It attempts to construct blocks | |
895427bd JS |
6951 | * of buffer sgls which contains contiguous xris and uses the non-embedded |
6952 | * SGL block post mailbox commands to post them to the port. For single | |
8a9d2e80 JS |
6953 | * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post |
6954 | * mailbox command for posting. | |
6955 | * | |
6956 | * Returns: 0 = success, non-zero failure. | |
6957 | **/ | |
6958 | static int | |
895427bd JS |
6959 | lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, |
6960 | struct list_head *sgl_list, int cnt) | |
8a9d2e80 JS |
6961 | { |
6962 | struct lpfc_sglq *sglq_entry = NULL; | |
6963 | struct lpfc_sglq *sglq_entry_next = NULL; | |
6964 | struct lpfc_sglq *sglq_entry_first = NULL; | |
895427bd JS |
6965 | int status, total_cnt; |
6966 | int post_cnt = 0, num_posted = 0, block_cnt = 0; | |
8a9d2e80 JS |
6967 | int last_xritag = NO_XRI; |
6968 | LIST_HEAD(prep_sgl_list); | |
6969 | LIST_HEAD(blck_sgl_list); | |
6970 | LIST_HEAD(allc_sgl_list); | |
6971 | LIST_HEAD(post_sgl_list); | |
6972 | LIST_HEAD(free_sgl_list); | |
6973 | ||
38c20673 | 6974 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6975 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6976 | list_splice_init(sgl_list, &allc_sgl_list); | |
6977 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 6978 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 6979 | |
895427bd | 6980 | total_cnt = cnt; |
8a9d2e80 JS |
6981 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, |
6982 | &allc_sgl_list, list) { | |
6983 | list_del_init(&sglq_entry->list); | |
6984 | block_cnt++; | |
6985 | if ((last_xritag != NO_XRI) && | |
6986 | (sglq_entry->sli4_xritag != last_xritag + 1)) { | |
6987 | /* a hole in xri block, form a sgl posting block */ | |
6988 | list_splice_init(&prep_sgl_list, &blck_sgl_list); | |
6989 | post_cnt = block_cnt - 1; | |
6990 | /* prepare list for next posting block */ | |
6991 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6992 | block_cnt = 1; | |
6993 | } else { | |
6994 | /* prepare list for next posting block */ | |
6995 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6996 | /* enough sgls for non-embed sgl mbox command */ | |
6997 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
6998 | list_splice_init(&prep_sgl_list, | |
6999 | &blck_sgl_list); | |
7000 | post_cnt = block_cnt; | |
7001 | block_cnt = 0; | |
7002 | } | |
7003 | } | |
7004 | num_posted++; | |
7005 | ||
7006 | /* keep track of last sgl's xritag */ | |
7007 | last_xritag = sglq_entry->sli4_xritag; | |
7008 | ||
895427bd JS |
7009 | /* end of repost sgl list condition for buffers */ |
7010 | if (num_posted == total_cnt) { | |
8a9d2e80 JS |
7011 | if (post_cnt == 0) { |
7012 | list_splice_init(&prep_sgl_list, | |
7013 | &blck_sgl_list); | |
7014 | post_cnt = block_cnt; | |
7015 | } else if (block_cnt == 1) { | |
7016 | status = lpfc_sli4_post_sgl(phba, | |
7017 | sglq_entry->phys, 0, | |
7018 | sglq_entry->sli4_xritag); | |
7019 | if (!status) { | |
7020 | /* successful, put sgl to posted list */ | |
7021 | list_add_tail(&sglq_entry->list, | |
7022 | &post_sgl_list); | |
7023 | } else { | |
7024 | /* Failure, put sgl to free list */ | |
7025 | lpfc_printf_log(phba, KERN_WARNING, | |
7026 | LOG_SLI, | |
895427bd | 7027 | "3159 Failed to post " |
8a9d2e80 JS |
7028 | "sgl, xritag:x%x\n", |
7029 | sglq_entry->sli4_xritag); | |
7030 | list_add_tail(&sglq_entry->list, | |
7031 | &free_sgl_list); | |
711ea882 | 7032 | total_cnt--; |
8a9d2e80 JS |
7033 | } |
7034 | } | |
7035 | } | |
7036 | ||
7037 | /* continue until a nembed page worth of sgls */ | |
7038 | if (post_cnt == 0) | |
7039 | continue; | |
7040 | ||
895427bd JS |
7041 | /* post the buffer list sgls as a block */ |
7042 | status = lpfc_sli4_post_sgl_list(phba, &blck_sgl_list, | |
7043 | post_cnt); | |
8a9d2e80 JS |
7044 | |
7045 | if (!status) { | |
7046 | /* success, put sgl list to posted sgl list */ | |
7047 | list_splice_init(&blck_sgl_list, &post_sgl_list); | |
7048 | } else { | |
7049 | /* Failure, put sgl list to free sgl list */ | |
7050 | sglq_entry_first = list_first_entry(&blck_sgl_list, | |
7051 | struct lpfc_sglq, | |
7052 | list); | |
7053 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
895427bd | 7054 | "3160 Failed to post sgl-list, " |
8a9d2e80 JS |
7055 | "xritag:x%x-x%x\n", |
7056 | sglq_entry_first->sli4_xritag, | |
7057 | (sglq_entry_first->sli4_xritag + | |
7058 | post_cnt - 1)); | |
7059 | list_splice_init(&blck_sgl_list, &free_sgl_list); | |
711ea882 | 7060 | total_cnt -= post_cnt; |
8a9d2e80 JS |
7061 | } |
7062 | ||
7063 | /* don't reset xirtag due to hole in xri block */ | |
7064 | if (block_cnt == 0) | |
7065 | last_xritag = NO_XRI; | |
7066 | ||
895427bd | 7067 | /* reset sgl post count for next round of posting */ |
8a9d2e80 JS |
7068 | post_cnt = 0; |
7069 | } | |
7070 | ||
895427bd | 7071 | /* free the sgls failed to post */ |
8a9d2e80 JS |
7072 | lpfc_free_sgl_list(phba, &free_sgl_list); |
7073 | ||
895427bd | 7074 | /* push sgls posted to the available list */ |
8a9d2e80 | 7075 | if (!list_empty(&post_sgl_list)) { |
38c20673 | 7076 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
7077 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
7078 | list_splice_init(&post_sgl_list, sgl_list); | |
7079 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 7080 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
7081 | } else { |
7082 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 7083 | "3161 Failure to post sgl to port.\n"); |
8a9d2e80 JS |
7084 | return -EIO; |
7085 | } | |
895427bd JS |
7086 | |
7087 | /* return the number of XRIs actually posted */ | |
7088 | return total_cnt; | |
8a9d2e80 JS |
7089 | } |
7090 | ||
0794d601 | 7091 | /** |
5e5b511d | 7092 | * lpfc_sli4_repost_io_sgl_list - Repost all the allocated nvme buffer sgls |
0794d601 JS |
7093 | * @phba: pointer to lpfc hba data structure. |
7094 | * | |
7095 | * This routine walks the list of nvme buffers that have been allocated and | |
7096 | * repost them to the port by using SGL block post. This is needed after a | |
7097 | * pci_function_reset/warm_start or start. The lpfc_hba_down_post_s4 routine | |
7098 | * is responsible for moving all nvme buffers on the lpfc_abts_nvme_sgl_list | |
5e5b511d | 7099 | * to the lpfc_io_buf_list. If the repost fails, reject all nvme buffers. |
0794d601 JS |
7100 | * |
7101 | * Returns: 0 = success, non-zero failure. | |
7102 | **/ | |
3999df75 | 7103 | static int |
5e5b511d | 7104 | lpfc_sli4_repost_io_sgl_list(struct lpfc_hba *phba) |
0794d601 JS |
7105 | { |
7106 | LIST_HEAD(post_nblist); | |
7107 | int num_posted, rc = 0; | |
7108 | ||
7109 | /* get all NVME buffers need to repost to a local list */ | |
5e5b511d | 7110 | lpfc_io_buf_flush(phba, &post_nblist); |
0794d601 JS |
7111 | |
7112 | /* post the list of nvme buffer sgls to port if available */ | |
7113 | if (!list_empty(&post_nblist)) { | |
5e5b511d JS |
7114 | num_posted = lpfc_sli4_post_io_sgl_list( |
7115 | phba, &post_nblist, phba->sli4_hba.io_xri_cnt); | |
0794d601 JS |
7116 | /* failed to post any nvme buffer, return error */ |
7117 | if (num_posted == 0) | |
7118 | rc = -EIO; | |
7119 | } | |
7120 | return rc; | |
7121 | } | |
7122 | ||
3999df75 | 7123 | static void |
61bda8f7 JS |
7124 | lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) |
7125 | { | |
7126 | uint32_t len; | |
7127 | ||
7128 | len = sizeof(struct lpfc_mbx_set_host_data) - | |
7129 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
7130 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
7131 | LPFC_MBOX_OPCODE_SET_HOST_DATA, len, | |
7132 | LPFC_SLI4_MBX_EMBED); | |
7133 | ||
7134 | mbox->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_OS_DRIVER_VERSION; | |
b2fd103b JS |
7135 | mbox->u.mqe.un.set_host_data.param_len = |
7136 | LPFC_HOST_OS_DRIVER_VERSION_SIZE; | |
61bda8f7 JS |
7137 | snprintf(mbox->u.mqe.un.set_host_data.data, |
7138 | LPFC_HOST_OS_DRIVER_VERSION_SIZE, | |
7139 | "Linux %s v"LPFC_DRIVER_VERSION, | |
7140 | (phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC"); | |
7141 | } | |
7142 | ||
a8cf5dfe | 7143 | int |
6c621a22 | 7144 | lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
a8cf5dfe | 7145 | struct lpfc_queue *drq, int count, int idx) |
6c621a22 JS |
7146 | { |
7147 | int rc, i; | |
7148 | struct lpfc_rqe hrqe; | |
7149 | struct lpfc_rqe drqe; | |
7150 | struct lpfc_rqb *rqbp; | |
411de511 | 7151 | unsigned long flags; |
6c621a22 JS |
7152 | struct rqb_dmabuf *rqb_buffer; |
7153 | LIST_HEAD(rqb_buf_list); | |
7154 | ||
411de511 | 7155 | spin_lock_irqsave(&phba->hbalock, flags); |
6c621a22 JS |
7156 | rqbp = hrq->rqbp; |
7157 | for (i = 0; i < count; i++) { | |
7158 | /* IF RQ is already full, don't bother */ | |
7159 | if (rqbp->buffer_count + i >= rqbp->entry_count - 1) | |
7160 | break; | |
7161 | rqb_buffer = rqbp->rqb_alloc_buffer(phba); | |
7162 | if (!rqb_buffer) | |
7163 | break; | |
7164 | rqb_buffer->hrq = hrq; | |
7165 | rqb_buffer->drq = drq; | |
a8cf5dfe | 7166 | rqb_buffer->idx = idx; |
6c621a22 JS |
7167 | list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); |
7168 | } | |
7169 | while (!list_empty(&rqb_buf_list)) { | |
7170 | list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, | |
7171 | hbuf.list); | |
7172 | ||
7173 | hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); | |
7174 | hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); | |
7175 | drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); | |
7176 | drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); | |
7177 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); | |
7178 | if (rc < 0) { | |
411de511 JS |
7179 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
7180 | "6421 Cannot post to HRQ %d: %x %x %x " | |
7181 | "DRQ %x %x\n", | |
7182 | hrq->queue_id, | |
7183 | hrq->host_index, | |
7184 | hrq->hba_index, | |
7185 | hrq->entry_count, | |
7186 | drq->host_index, | |
7187 | drq->hba_index); | |
6c621a22 JS |
7188 | rqbp->rqb_free_buffer(phba, rqb_buffer); |
7189 | } else { | |
7190 | list_add_tail(&rqb_buffer->hbuf.list, | |
7191 | &rqbp->rqb_buffer_list); | |
7192 | rqbp->buffer_count++; | |
7193 | } | |
7194 | } | |
411de511 | 7195 | spin_unlock_irqrestore(&phba->hbalock, flags); |
6c621a22 JS |
7196 | return 1; |
7197 | } | |
7198 | ||
da0436e9 | 7199 | /** |
183b8021 | 7200 | * lpfc_sli4_hba_setup - SLI4 device initialization PCI function |
da0436e9 JS |
7201 | * @phba: Pointer to HBA context object. |
7202 | * | |
183b8021 MY |
7203 | * This function is the main SLI4 device initialization PCI function. This |
7204 | * function is called by the HBA initialization code, HBA reset code and | |
da0436e9 JS |
7205 | * HBA error attention handler code. Caller is not required to hold any |
7206 | * locks. | |
7207 | **/ | |
7208 | int | |
7209 | lpfc_sli4_hba_setup(struct lpfc_hba *phba) | |
7210 | { | |
171f6c41 | 7211 | int rc, i, cnt, len, dd; |
da0436e9 JS |
7212 | LPFC_MBOXQ_t *mboxq; |
7213 | struct lpfc_mqe *mqe; | |
7214 | uint8_t *vpd; | |
7215 | uint32_t vpd_size; | |
7216 | uint32_t ftr_rsp = 0; | |
7217 | struct Scsi_Host *shost = lpfc_shost_from_vport(phba->pport); | |
7218 | struct lpfc_vport *vport = phba->pport; | |
7219 | struct lpfc_dmabuf *mp; | |
2d7dbc4c | 7220 | struct lpfc_rqb *rqbp; |
da0436e9 JS |
7221 | |
7222 | /* Perform a PCI function reset to start from clean */ | |
7223 | rc = lpfc_pci_function_reset(phba); | |
7224 | if (unlikely(rc)) | |
7225 | return -ENODEV; | |
7226 | ||
7227 | /* Check the HBA Host Status Register for readyness */ | |
7228 | rc = lpfc_sli4_post_status_check(phba); | |
7229 | if (unlikely(rc)) | |
7230 | return -ENODEV; | |
7231 | else { | |
7232 | spin_lock_irq(&phba->hbalock); | |
7233 | phba->sli.sli_flag |= LPFC_SLI_ACTIVE; | |
7234 | spin_unlock_irq(&phba->hbalock); | |
7235 | } | |
7236 | ||
7237 | /* | |
7238 | * Allocate a single mailbox container for initializing the | |
7239 | * port. | |
7240 | */ | |
7241 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
7242 | if (!mboxq) | |
7243 | return -ENOMEM; | |
7244 | ||
da0436e9 | 7245 | /* Issue READ_REV to collect vpd and FW information. */ |
49198b37 | 7246 | vpd_size = SLI4_PAGE_SIZE; |
da0436e9 JS |
7247 | vpd = kzalloc(vpd_size, GFP_KERNEL); |
7248 | if (!vpd) { | |
7249 | rc = -ENOMEM; | |
7250 | goto out_free_mbox; | |
7251 | } | |
7252 | ||
7253 | rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size); | |
76a95d75 JS |
7254 | if (unlikely(rc)) { |
7255 | kfree(vpd); | |
7256 | goto out_free_mbox; | |
7257 | } | |
572709e2 | 7258 | |
da0436e9 | 7259 | mqe = &mboxq->u.mqe; |
f1126688 | 7260 | phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev); |
b5c53958 | 7261 | if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) { |
76a95d75 | 7262 | phba->hba_flag |= HBA_FCOE_MODE; |
b5c53958 JS |
7263 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
7264 | } else { | |
76a95d75 | 7265 | phba->hba_flag &= ~HBA_FCOE_MODE; |
b5c53958 | 7266 | } |
45ed1190 JS |
7267 | |
7268 | if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) == | |
7269 | LPFC_DCBX_CEE_MODE) | |
7270 | phba->hba_flag |= HBA_FIP_SUPPORT; | |
7271 | else | |
7272 | phba->hba_flag &= ~HBA_FIP_SUPPORT; | |
7273 | ||
c00f62e6 | 7274 | phba->hba_flag &= ~HBA_IOQ_FLUSH; |
4f2e66c6 | 7275 | |
c31098ce | 7276 | if (phba->sli_rev != LPFC_SLI_REV4) { |
da0436e9 JS |
7277 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7278 | "0376 READ_REV Error. SLI Level %d " | |
7279 | "FCoE enabled %d\n", | |
76a95d75 | 7280 | phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE); |
da0436e9 | 7281 | rc = -EIO; |
76a95d75 JS |
7282 | kfree(vpd); |
7283 | goto out_free_mbox; | |
da0436e9 | 7284 | } |
cd1c8301 | 7285 | |
ff78d8f9 JS |
7286 | /* |
7287 | * Continue initialization with default values even if driver failed | |
7288 | * to read FCoE param config regions, only read parameters if the | |
7289 | * board is FCoE | |
7290 | */ | |
7291 | if (phba->hba_flag & HBA_FCOE_MODE && | |
7292 | lpfc_sli4_read_fcoe_params(phba)) | |
7293 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_INIT, | |
7294 | "2570 Failed to read FCoE parameters\n"); | |
7295 | ||
cd1c8301 JS |
7296 | /* |
7297 | * Retrieve sli4 device physical port name, failure of doing it | |
7298 | * is considered as non-fatal. | |
7299 | */ | |
7300 | rc = lpfc_sli4_retrieve_pport_name(phba); | |
7301 | if (!rc) | |
7302 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7303 | "3080 Successful retrieving SLI4 device " | |
7304 | "physical port name: %s.\n", phba->Port); | |
7305 | ||
b3b4f3e1 JS |
7306 | rc = lpfc_sli4_get_ctl_attr(phba); |
7307 | if (!rc) | |
7308 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7309 | "8351 Successful retrieving SLI4 device " | |
7310 | "CTL ATTR\n"); | |
7311 | ||
da0436e9 JS |
7312 | /* |
7313 | * Evaluate the read rev and vpd data. Populate the driver | |
7314 | * state with the results. If this routine fails, the failure | |
7315 | * is not fatal as the driver will use generic values. | |
7316 | */ | |
7317 | rc = lpfc_parse_vpd(phba, vpd, vpd_size); | |
7318 | if (unlikely(!rc)) { | |
7319 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7320 | "0377 Error %d parsing vpd. " | |
7321 | "Using defaults.\n", rc); | |
7322 | rc = 0; | |
7323 | } | |
76a95d75 | 7324 | kfree(vpd); |
da0436e9 | 7325 | |
f1126688 JS |
7326 | /* Save information as VPD data */ |
7327 | phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev; | |
7328 | phba->vpd.rev.smRev = mqe->un.read_rev.second_hw_rev; | |
4e565cf0 JS |
7329 | |
7330 | /* | |
7331 | * This is because first G7 ASIC doesn't support the standard | |
7332 | * 0x5a NVME cmd descriptor type/subtype | |
7333 | */ | |
7334 | if ((bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == | |
7335 | LPFC_SLI_INTF_IF_TYPE_6) && | |
7336 | (phba->vpd.rev.biuRev == LPFC_G7_ASIC_1) && | |
7337 | (phba->vpd.rev.smRev == 0) && | |
7338 | (phba->cfg_nvme_embed_cmd == 1)) | |
7339 | phba->cfg_nvme_embed_cmd = 0; | |
7340 | ||
f1126688 JS |
7341 | phba->vpd.rev.endecRev = mqe->un.read_rev.third_hw_rev; |
7342 | phba->vpd.rev.fcphHigh = bf_get(lpfc_mbx_rd_rev_fcph_high, | |
7343 | &mqe->un.read_rev); | |
7344 | phba->vpd.rev.fcphLow = bf_get(lpfc_mbx_rd_rev_fcph_low, | |
7345 | &mqe->un.read_rev); | |
7346 | phba->vpd.rev.feaLevelHigh = bf_get(lpfc_mbx_rd_rev_ftr_lvl_high, | |
7347 | &mqe->un.read_rev); | |
7348 | phba->vpd.rev.feaLevelLow = bf_get(lpfc_mbx_rd_rev_ftr_lvl_low, | |
7349 | &mqe->un.read_rev); | |
7350 | phba->vpd.rev.sli1FwRev = mqe->un.read_rev.fw_id_rev; | |
7351 | memcpy(phba->vpd.rev.sli1FwName, mqe->un.read_rev.fw_name, 16); | |
7352 | phba->vpd.rev.sli2FwRev = mqe->un.read_rev.ulp_fw_id_rev; | |
7353 | memcpy(phba->vpd.rev.sli2FwName, mqe->un.read_rev.ulp_fw_name, 16); | |
7354 | phba->vpd.rev.opFwRev = mqe->un.read_rev.fw_id_rev; | |
7355 | memcpy(phba->vpd.rev.opFwName, mqe->un.read_rev.fw_name, 16); | |
7356 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
7357 | "(%d):0380 READ_REV Status x%x " | |
7358 | "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n", | |
7359 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7360 | bf_get(lpfc_mqe_status, mqe), | |
7361 | phba->vpd.rev.opFwName, | |
7362 | phba->vpd.rev.fcphHigh, phba->vpd.rev.fcphLow, | |
7363 | phba->vpd.rev.feaLevelHigh, phba->vpd.rev.feaLevelLow); | |
da0436e9 | 7364 | |
572709e2 JS |
7365 | /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ |
7366 | rc = (phba->sli4_hba.max_cfg_param.max_xri >> 3); | |
7367 | if (phba->pport->cfg_lun_queue_depth > rc) { | |
7368 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
7369 | "3362 LUN queue depth changed from %d to %d\n", | |
7370 | phba->pport->cfg_lun_queue_depth, rc); | |
7371 | phba->pport->cfg_lun_queue_depth = rc; | |
7372 | } | |
7373 | ||
65791f1f | 7374 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == |
7bdedb34 JS |
7375 | LPFC_SLI_INTF_IF_TYPE_0) { |
7376 | lpfc_set_features(phba, mboxq, LPFC_SET_UE_RECOVERY); | |
7377 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7378 | if (rc == MBX_SUCCESS) { | |
7379 | phba->hba_flag |= HBA_RECOVERABLE_UE; | |
7380 | /* Set 1Sec interval to detect UE */ | |
7381 | phba->eratt_poll_interval = 1; | |
7382 | phba->sli4_hba.ue_to_sr = bf_get( | |
7383 | lpfc_mbx_set_feature_UESR, | |
7384 | &mboxq->u.mqe.un.set_feature); | |
7385 | phba->sli4_hba.ue_to_rp = bf_get( | |
7386 | lpfc_mbx_set_feature_UERP, | |
7387 | &mboxq->u.mqe.un.set_feature); | |
7388 | } | |
7389 | } | |
7390 | ||
7391 | if (phba->cfg_enable_mds_diags && phba->mds_diags_support) { | |
7392 | /* Enable MDS Diagnostics only if the SLI Port supports it */ | |
7393 | lpfc_set_features(phba, mboxq, LPFC_SET_MDS_DIAGS); | |
7394 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7395 | if (rc != MBX_SUCCESS) | |
7396 | phba->mds_diags_support = 0; | |
7397 | } | |
572709e2 | 7398 | |
da0436e9 JS |
7399 | /* |
7400 | * Discover the port's supported feature set and match it against the | |
7401 | * hosts requests. | |
7402 | */ | |
7403 | lpfc_request_features(phba, mboxq); | |
7404 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7405 | if (unlikely(rc)) { | |
7406 | rc = -EIO; | |
76a95d75 | 7407 | goto out_free_mbox; |
da0436e9 JS |
7408 | } |
7409 | ||
7410 | /* | |
7411 | * The port must support FCP initiator mode as this is the | |
7412 | * only mode running in the host. | |
7413 | */ | |
7414 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi, &mqe->un.req_ftrs))) { | |
7415 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7416 | "0378 No support for fcpi mode.\n"); | |
7417 | ftr_rsp++; | |
7418 | } | |
0bc2b7c5 JS |
7419 | |
7420 | /* Performance Hints are ONLY for FCoE */ | |
7421 | if (phba->hba_flag & HBA_FCOE_MODE) { | |
7422 | if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh, &mqe->un.req_ftrs)) | |
7423 | phba->sli3_options |= LPFC_SLI4_PERFH_ENABLED; | |
7424 | else | |
7425 | phba->sli3_options &= ~LPFC_SLI4_PERFH_ENABLED; | |
7426 | } | |
7427 | ||
da0436e9 JS |
7428 | /* |
7429 | * If the port cannot support the host's requested features | |
7430 | * then turn off the global config parameters to disable the | |
7431 | * feature in the driver. This is not a fatal error. | |
7432 | */ | |
f44ac12f JS |
7433 | if (phba->sli3_options & LPFC_SLI3_BG_ENABLED) { |
7434 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) { | |
7435 | phba->cfg_enable_bg = 0; | |
7436 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; | |
bf08611b | 7437 | ftr_rsp++; |
f44ac12f | 7438 | } |
bf08611b | 7439 | } |
da0436e9 JS |
7440 | |
7441 | if (phba->max_vpi && phba->cfg_enable_npiv && | |
7442 | !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
7443 | ftr_rsp++; | |
7444 | ||
7445 | if (ftr_rsp) { | |
7446 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7447 | "0379 Feature Mismatch Data: x%08x %08x " | |
7448 | "x%x x%x x%x\n", mqe->un.req_ftrs.word2, | |
7449 | mqe->un.req_ftrs.word3, phba->cfg_enable_bg, | |
7450 | phba->cfg_enable_npiv, phba->max_vpi); | |
7451 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) | |
7452 | phba->cfg_enable_bg = 0; | |
7453 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
7454 | phba->cfg_enable_npiv = 0; | |
7455 | } | |
7456 | ||
7457 | /* These SLI3 features are assumed in SLI4 */ | |
7458 | spin_lock_irq(&phba->hbalock); | |
7459 | phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED); | |
7460 | spin_unlock_irq(&phba->hbalock); | |
7461 | ||
171f6c41 JS |
7462 | /* Always try to enable dual dump feature if we can */ |
7463 | lpfc_set_features(phba, mboxq, LPFC_SET_DUAL_DUMP); | |
7464 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7465 | dd = bf_get(lpfc_mbx_set_feature_dd, &mboxq->u.mqe.un.set_feature); | |
7466 | if ((rc == MBX_SUCCESS) && (dd == LPFC_ENABLE_DUAL_DUMP)) | |
7467 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_INIT, | |
7468 | "6448 Dual Dump is enabled\n"); | |
7469 | else | |
7470 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI | LOG_INIT, | |
7471 | "6447 Dual Dump Mailbox x%x (x%x/x%x) failed, " | |
7472 | "rc:x%x dd:x%x\n", | |
7473 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
7474 | lpfc_sli_config_mbox_subsys_get( | |
7475 | phba, mboxq), | |
7476 | lpfc_sli_config_mbox_opcode_get( | |
7477 | phba, mboxq), | |
7478 | rc, dd); | |
6d368e53 JS |
7479 | /* |
7480 | * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent | |
7481 | * calls depends on these resources to complete port setup. | |
7482 | */ | |
7483 | rc = lpfc_sli4_alloc_resource_identifiers(phba); | |
7484 | if (rc) { | |
7485 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7486 | "2920 Failed to alloc Resource IDs " | |
7487 | "rc = x%x\n", rc); | |
7488 | goto out_free_mbox; | |
7489 | } | |
7490 | ||
61bda8f7 JS |
7491 | lpfc_set_host_data(phba, mboxq); |
7492 | ||
7493 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7494 | if (rc) { | |
7495 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
7496 | "2134 Failed to set host os driver version %x", | |
7497 | rc); | |
7498 | } | |
7499 | ||
da0436e9 | 7500 | /* Read the port's service parameters. */ |
9f1177a3 JS |
7501 | rc = lpfc_read_sparam(phba, mboxq, vport->vpi); |
7502 | if (rc) { | |
7503 | phba->link_state = LPFC_HBA_ERROR; | |
7504 | rc = -ENOMEM; | |
76a95d75 | 7505 | goto out_free_mbox; |
9f1177a3 JS |
7506 | } |
7507 | ||
da0436e9 JS |
7508 | mboxq->vport = vport; |
7509 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
3e1f0718 | 7510 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
da0436e9 JS |
7511 | if (rc == MBX_SUCCESS) { |
7512 | memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm)); | |
7513 | rc = 0; | |
7514 | } | |
7515 | ||
7516 | /* | |
7517 | * This memory was allocated by the lpfc_read_sparam routine. Release | |
7518 | * it to the mbuf pool. | |
7519 | */ | |
7520 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
7521 | kfree(mp); | |
3e1f0718 | 7522 | mboxq->ctx_buf = NULL; |
da0436e9 JS |
7523 | if (unlikely(rc)) { |
7524 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7525 | "0382 READ_SPARAM command failed " | |
7526 | "status %d, mbxStatus x%x\n", | |
7527 | rc, bf_get(lpfc_mqe_status, mqe)); | |
7528 | phba->link_state = LPFC_HBA_ERROR; | |
7529 | rc = -EIO; | |
76a95d75 | 7530 | goto out_free_mbox; |
da0436e9 JS |
7531 | } |
7532 | ||
0558056c | 7533 | lpfc_update_vport_wwn(vport); |
da0436e9 JS |
7534 | |
7535 | /* Update the fc_host data structures with new wwn. */ | |
7536 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
7537 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
7538 | ||
895427bd JS |
7539 | /* Create all the SLI4 queues */ |
7540 | rc = lpfc_sli4_queue_create(phba); | |
7541 | if (rc) { | |
7542 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
7543 | "3089 Failed to allocate queues\n"); | |
7544 | rc = -ENODEV; | |
7545 | goto out_free_mbox; | |
7546 | } | |
7547 | /* Set up all the queues to the device */ | |
7548 | rc = lpfc_sli4_queue_setup(phba); | |
7549 | if (unlikely(rc)) { | |
7550 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7551 | "0381 Error %d during queue setup.\n ", rc); | |
7552 | goto out_stop_timers; | |
7553 | } | |
7554 | /* Initialize the driver internal SLI layer lists. */ | |
7555 | lpfc_sli4_setup(phba); | |
7556 | lpfc_sli4_queue_init(phba); | |
7557 | ||
7558 | /* update host els xri-sgl sizes and mappings */ | |
7559 | rc = lpfc_sli4_els_sgl_update(phba); | |
8a9d2e80 JS |
7560 | if (unlikely(rc)) { |
7561 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7562 | "1400 Failed to update xri-sgl size and " | |
7563 | "mapping: %d\n", rc); | |
895427bd | 7564 | goto out_destroy_queue; |
da0436e9 JS |
7565 | } |
7566 | ||
8a9d2e80 | 7567 | /* register the els sgl pool to the port */ |
895427bd JS |
7568 | rc = lpfc_sli4_repost_sgl_list(phba, &phba->sli4_hba.lpfc_els_sgl_list, |
7569 | phba->sli4_hba.els_xri_cnt); | |
7570 | if (unlikely(rc < 0)) { | |
8a9d2e80 JS |
7571 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7572 | "0582 Error %d during els sgl post " | |
7573 | "operation\n", rc); | |
7574 | rc = -ENODEV; | |
895427bd | 7575 | goto out_destroy_queue; |
8a9d2e80 | 7576 | } |
895427bd | 7577 | phba->sli4_hba.els_xri_cnt = rc; |
8a9d2e80 | 7578 | |
f358dd0c JS |
7579 | if (phba->nvmet_support) { |
7580 | /* update host nvmet xri-sgl sizes and mappings */ | |
7581 | rc = lpfc_sli4_nvmet_sgl_update(phba); | |
7582 | if (unlikely(rc)) { | |
7583 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7584 | "6308 Failed to update nvmet-sgl size " | |
7585 | "and mapping: %d\n", rc); | |
7586 | goto out_destroy_queue; | |
7587 | } | |
7588 | ||
7589 | /* register the nvmet sgl pool to the port */ | |
7590 | rc = lpfc_sli4_repost_sgl_list( | |
7591 | phba, | |
7592 | &phba->sli4_hba.lpfc_nvmet_sgl_list, | |
7593 | phba->sli4_hba.nvmet_xri_cnt); | |
7594 | if (unlikely(rc < 0)) { | |
7595 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7596 | "3117 Error %d during nvmet " | |
7597 | "sgl post\n", rc); | |
7598 | rc = -ENODEV; | |
7599 | goto out_destroy_queue; | |
7600 | } | |
7601 | phba->sli4_hba.nvmet_xri_cnt = rc; | |
6c621a22 | 7602 | |
a5f7337f JS |
7603 | /* We allocate an iocbq for every receive context SGL. |
7604 | * The additional allocation is for abort and ls handling. | |
7605 | */ | |
7606 | cnt = phba->sli4_hba.nvmet_xri_cnt + | |
7607 | phba->sli4_hba.max_cfg_param.max_xri; | |
f358dd0c | 7608 | } else { |
0794d601 | 7609 | /* update host common xri-sgl sizes and mappings */ |
5e5b511d | 7610 | rc = lpfc_sli4_io_sgl_update(phba); |
895427bd JS |
7611 | if (unlikely(rc)) { |
7612 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
0794d601 | 7613 | "6082 Failed to update nvme-sgl size " |
895427bd JS |
7614 | "and mapping: %d\n", rc); |
7615 | goto out_destroy_queue; | |
7616 | } | |
7617 | ||
0794d601 | 7618 | /* register the allocated common sgl pool to the port */ |
5e5b511d | 7619 | rc = lpfc_sli4_repost_io_sgl_list(phba); |
895427bd JS |
7620 | if (unlikely(rc)) { |
7621 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
0794d601 JS |
7622 | "6116 Error %d during nvme sgl post " |
7623 | "operation\n", rc); | |
7624 | /* Some NVME buffers were moved to abort nvme list */ | |
7625 | /* A pci function reset will repost them */ | |
7626 | rc = -ENODEV; | |
895427bd JS |
7627 | goto out_destroy_queue; |
7628 | } | |
a5f7337f JS |
7629 | /* Each lpfc_io_buf job structure has an iocbq element. |
7630 | * This cnt provides for abort, els, ct and ls requests. | |
7631 | */ | |
7632 | cnt = phba->sli4_hba.max_cfg_param.max_xri; | |
11e644e2 JS |
7633 | } |
7634 | ||
7635 | if (!phba->sli.iocbq_lookup) { | |
6c621a22 JS |
7636 | /* Initialize and populate the iocb list per host */ |
7637 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a5f7337f JS |
7638 | "2821 initialize iocb list with %d entries\n", |
7639 | cnt); | |
6c621a22 JS |
7640 | rc = lpfc_init_iocb_list(phba, cnt); |
7641 | if (rc) { | |
7642 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11e644e2 | 7643 | "1413 Failed to init iocb list.\n"); |
6c621a22 JS |
7644 | goto out_destroy_queue; |
7645 | } | |
895427bd JS |
7646 | } |
7647 | ||
11e644e2 JS |
7648 | if (phba->nvmet_support) |
7649 | lpfc_nvmet_create_targetport(phba); | |
7650 | ||
2d7dbc4c | 7651 | if (phba->nvmet_support && phba->cfg_nvmet_mrq) { |
2d7dbc4c JS |
7652 | /* Post initial buffers to all RQs created */ |
7653 | for (i = 0; i < phba->cfg_nvmet_mrq; i++) { | |
7654 | rqbp = phba->sli4_hba.nvmet_mrq_hdr[i]->rqbp; | |
7655 | INIT_LIST_HEAD(&rqbp->rqb_buffer_list); | |
7656 | rqbp->rqb_alloc_buffer = lpfc_sli4_nvmet_alloc; | |
7657 | rqbp->rqb_free_buffer = lpfc_sli4_nvmet_free; | |
61f3d4bf | 7658 | rqbp->entry_count = LPFC_NVMET_RQE_DEF_COUNT; |
2d7dbc4c JS |
7659 | rqbp->buffer_count = 0; |
7660 | ||
2d7dbc4c JS |
7661 | lpfc_post_rq_buffer( |
7662 | phba, phba->sli4_hba.nvmet_mrq_hdr[i], | |
7663 | phba->sli4_hba.nvmet_mrq_data[i], | |
2448e484 | 7664 | phba->cfg_nvmet_mrq_post, i); |
2d7dbc4c JS |
7665 | } |
7666 | } | |
7667 | ||
da0436e9 JS |
7668 | /* Post the rpi header region to the device. */ |
7669 | rc = lpfc_sli4_post_all_rpi_hdrs(phba); | |
7670 | if (unlikely(rc)) { | |
7671 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7672 | "0393 Error %d during rpi post operation\n", | |
7673 | rc); | |
7674 | rc = -ENODEV; | |
895427bd | 7675 | goto out_destroy_queue; |
da0436e9 | 7676 | } |
97f2ecf1 | 7677 | lpfc_sli4_node_prep(phba); |
da0436e9 | 7678 | |
895427bd | 7679 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
2d7dbc4c | 7680 | if ((phba->nvmet_support == 0) || (phba->cfg_nvmet_mrq == 1)) { |
895427bd JS |
7681 | /* |
7682 | * The FC Port needs to register FCFI (index 0) | |
7683 | */ | |
7684 | lpfc_reg_fcfi(phba, mboxq); | |
7685 | mboxq->vport = phba->pport; | |
7686 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7687 | if (rc != MBX_SUCCESS) | |
7688 | goto out_unset_queue; | |
7689 | rc = 0; | |
7690 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, | |
7691 | &mboxq->u.mqe.un.reg_fcfi); | |
2d7dbc4c JS |
7692 | } else { |
7693 | /* We are a NVME Target mode with MRQ > 1 */ | |
7694 | ||
7695 | /* First register the FCFI */ | |
7696 | lpfc_reg_fcfi_mrq(phba, mboxq, 0); | |
7697 | mboxq->vport = phba->pport; | |
7698 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7699 | if (rc != MBX_SUCCESS) | |
7700 | goto out_unset_queue; | |
7701 | rc = 0; | |
7702 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_mrq_fcfi, | |
7703 | &mboxq->u.mqe.un.reg_fcfi_mrq); | |
7704 | ||
7705 | /* Next register the MRQs */ | |
7706 | lpfc_reg_fcfi_mrq(phba, mboxq, 1); | |
7707 | mboxq->vport = phba->pport; | |
7708 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7709 | if (rc != MBX_SUCCESS) | |
7710 | goto out_unset_queue; | |
7711 | rc = 0; | |
895427bd JS |
7712 | } |
7713 | /* Check if the port is configured to be disabled */ | |
7714 | lpfc_sli_read_link_ste(phba); | |
da0436e9 JS |
7715 | } |
7716 | ||
c490850a JS |
7717 | /* Don't post more new bufs if repost already recovered |
7718 | * the nvme sgls. | |
7719 | */ | |
7720 | if (phba->nvmet_support == 0) { | |
7721 | if (phba->sli4_hba.io_xri_cnt == 0) { | |
7722 | len = lpfc_new_io_buf( | |
7723 | phba, phba->sli4_hba.io_xri_max); | |
7724 | if (len == 0) { | |
7725 | rc = -ENOMEM; | |
7726 | goto out_unset_queue; | |
7727 | } | |
7728 | ||
7729 | if (phba->cfg_xri_rebalancing) | |
7730 | lpfc_create_multixri_pools(phba); | |
7731 | } | |
7732 | } else { | |
7733 | phba->cfg_xri_rebalancing = 0; | |
7734 | } | |
7735 | ||
da0436e9 JS |
7736 | /* Allow asynchronous mailbox command to go through */ |
7737 | spin_lock_irq(&phba->hbalock); | |
7738 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7739 | spin_unlock_irq(&phba->hbalock); | |
7740 | ||
7741 | /* Post receive buffers to the device */ | |
7742 | lpfc_sli4_rb_setup(phba); | |
7743 | ||
fc2b989b JS |
7744 | /* Reset HBA FCF states after HBA reset */ |
7745 | phba->fcf.fcf_flag = 0; | |
7746 | phba->fcf.current_rec.flag = 0; | |
7747 | ||
da0436e9 | 7748 | /* Start the ELS watchdog timer */ |
8fa38513 | 7749 | mod_timer(&vport->els_tmofunc, |
256ec0d0 | 7750 | jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov * 2))); |
da0436e9 JS |
7751 | |
7752 | /* Start heart beat timer */ | |
7753 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 | 7754 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); |
da0436e9 JS |
7755 | phba->hb_outstanding = 0; |
7756 | phba->last_completion_time = jiffies; | |
7757 | ||
32517fc0 JS |
7758 | /* start eq_delay heartbeat */ |
7759 | if (phba->cfg_auto_imax) | |
7760 | queue_delayed_work(phba->wq, &phba->eq_delay_work, | |
7761 | msecs_to_jiffies(LPFC_EQ_DELAY_MSECS)); | |
7762 | ||
da0436e9 | 7763 | /* Start error attention (ERATT) polling timer */ |
256ec0d0 | 7764 | mod_timer(&phba->eratt_poll, |
65791f1f | 7765 | jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
da0436e9 | 7766 | |
75baf696 JS |
7767 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
7768 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
7769 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
7770 | if (!rc) { | |
7771 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7772 | "2829 This device supports " | |
7773 | "Advanced Error Reporting (AER)\n"); | |
7774 | spin_lock_irq(&phba->hbalock); | |
7775 | phba->hba_flag |= HBA_AER_ENABLED; | |
7776 | spin_unlock_irq(&phba->hbalock); | |
7777 | } else { | |
7778 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7779 | "2830 This device does not support " | |
7780 | "Advanced Error Reporting (AER)\n"); | |
7781 | phba->cfg_aer_support = 0; | |
7782 | } | |
0a96e975 | 7783 | rc = 0; |
75baf696 JS |
7784 | } |
7785 | ||
da0436e9 JS |
7786 | /* |
7787 | * The port is ready, set the host's link state to LINK_DOWN | |
7788 | * in preparation for link interrupts. | |
7789 | */ | |
da0436e9 JS |
7790 | spin_lock_irq(&phba->hbalock); |
7791 | phba->link_state = LPFC_LINK_DOWN; | |
1dc5ec24 JS |
7792 | |
7793 | /* Check if physical ports are trunked */ | |
7794 | if (bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba)) | |
7795 | phba->trunk_link.link0.state = LPFC_LINK_DOWN; | |
7796 | if (bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba)) | |
7797 | phba->trunk_link.link1.state = LPFC_LINK_DOWN; | |
7798 | if (bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba)) | |
7799 | phba->trunk_link.link2.state = LPFC_LINK_DOWN; | |
7800 | if (bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba)) | |
7801 | phba->trunk_link.link3.state = LPFC_LINK_DOWN; | |
da0436e9 | 7802 | spin_unlock_irq(&phba->hbalock); |
1dc5ec24 | 7803 | |
e8869f5b JS |
7804 | /* Arm the CQs and then EQs on device */ |
7805 | lpfc_sli4_arm_cqeq_intr(phba); | |
7806 | ||
7807 | /* Indicate device interrupt mode */ | |
7808 | phba->sli4_hba.intr_enable = 1; | |
7809 | ||
026abb87 JS |
7810 | if (!(phba->hba_flag & HBA_FCOE_MODE) && |
7811 | (phba->hba_flag & LINK_DISABLED)) { | |
7812 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7813 | "3103 Adapter Link is disabled.\n"); | |
7814 | lpfc_down_link(phba, mboxq); | |
7815 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7816 | if (rc != MBX_SUCCESS) { | |
7817 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7818 | "3104 Adapter failed to issue " | |
7819 | "DOWN_LINK mbox cmd, rc:x%x\n", rc); | |
c490850a | 7820 | goto out_io_buff_free; |
026abb87 JS |
7821 | } |
7822 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { | |
1b51197d JS |
7823 | /* don't perform init_link on SLI4 FC port loopback test */ |
7824 | if (!(phba->link_flag & LS_LOOPBACK_MODE)) { | |
7825 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
7826 | if (rc) | |
c490850a | 7827 | goto out_io_buff_free; |
1b51197d | 7828 | } |
5350d872 JS |
7829 | } |
7830 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7831 | return rc; | |
c490850a JS |
7832 | out_io_buff_free: |
7833 | /* Free allocated IO Buffers */ | |
7834 | lpfc_io_free(phba); | |
76a95d75 | 7835 | out_unset_queue: |
da0436e9 | 7836 | /* Unset all the queues set up in this routine when error out */ |
5350d872 JS |
7837 | lpfc_sli4_queue_unset(phba); |
7838 | out_destroy_queue: | |
6c621a22 | 7839 | lpfc_free_iocb_list(phba); |
5350d872 | 7840 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 7841 | out_stop_timers: |
5350d872 | 7842 | lpfc_stop_hba_timers(phba); |
da0436e9 JS |
7843 | out_free_mbox: |
7844 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7845 | return rc; | |
7846 | } | |
7847 | ||
7848 | /** | |
7849 | * lpfc_mbox_timeout - Timeout call back function for mbox timer | |
7850 | * @ptr: context object - pointer to hba structure. | |
7851 | * | |
7852 | * This is the callback function for mailbox timer. The mailbox | |
7853 | * timer is armed when a new mailbox command is issued and the timer | |
7854 | * is deleted when the mailbox complete. The function is called by | |
7855 | * the kernel timer code when a mailbox does not complete within | |
7856 | * expected time. This function wakes up the worker thread to | |
7857 | * process the mailbox timeout and returns. All the processing is | |
7858 | * done by the worker thread function lpfc_mbox_timeout_handler. | |
7859 | **/ | |
7860 | void | |
f22eb4d3 | 7861 | lpfc_mbox_timeout(struct timer_list *t) |
da0436e9 | 7862 | { |
f22eb4d3 | 7863 | struct lpfc_hba *phba = from_timer(phba, t, sli.mbox_tmo); |
da0436e9 JS |
7864 | unsigned long iflag; |
7865 | uint32_t tmo_posted; | |
7866 | ||
7867 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
7868 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; | |
7869 | if (!tmo_posted) | |
7870 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
7871 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
7872 | ||
7873 | if (!tmo_posted) | |
7874 | lpfc_worker_wake_up(phba); | |
7875 | return; | |
7876 | } | |
7877 | ||
e8d3c3b1 JS |
7878 | /** |
7879 | * lpfc_sli4_mbox_completions_pending - check to see if any mailbox completions | |
7880 | * are pending | |
7881 | * @phba: Pointer to HBA context object. | |
7882 | * | |
7883 | * This function checks if any mailbox completions are present on the mailbox | |
7884 | * completion queue. | |
7885 | **/ | |
3bb11fc5 | 7886 | static bool |
e8d3c3b1 JS |
7887 | lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba) |
7888 | { | |
7889 | ||
7890 | uint32_t idx; | |
7891 | struct lpfc_queue *mcq; | |
7892 | struct lpfc_mcqe *mcqe; | |
7893 | bool pending_completions = false; | |
7365f6fd | 7894 | uint8_t qe_valid; |
e8d3c3b1 JS |
7895 | |
7896 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7897 | return false; | |
7898 | ||
7899 | /* Check for completions on mailbox completion queue */ | |
7900 | ||
7901 | mcq = phba->sli4_hba.mbx_cq; | |
7902 | idx = mcq->hba_index; | |
7365f6fd | 7903 | qe_valid = mcq->qe_valid; |
9afbee3d JS |
7904 | while (bf_get_le32(lpfc_cqe_valid, |
7905 | (struct lpfc_cqe *)lpfc_sli4_qe(mcq, idx)) == qe_valid) { | |
7906 | mcqe = (struct lpfc_mcqe *)(lpfc_sli4_qe(mcq, idx)); | |
e8d3c3b1 JS |
7907 | if (bf_get_le32(lpfc_trailer_completed, mcqe) && |
7908 | (!bf_get_le32(lpfc_trailer_async, mcqe))) { | |
7909 | pending_completions = true; | |
7910 | break; | |
7911 | } | |
7912 | idx = (idx + 1) % mcq->entry_count; | |
7913 | if (mcq->hba_index == idx) | |
7914 | break; | |
7365f6fd JS |
7915 | |
7916 | /* if the index wrapped around, toggle the valid bit */ | |
7917 | if (phba->sli4_hba.pc_sli4_params.cqav && !idx) | |
7918 | qe_valid = (qe_valid) ? 0 : 1; | |
e8d3c3b1 JS |
7919 | } |
7920 | return pending_completions; | |
7921 | ||
7922 | } | |
7923 | ||
7924 | /** | |
7925 | * lpfc_sli4_process_missed_mbox_completions - process mbox completions | |
7926 | * that were missed. | |
7927 | * @phba: Pointer to HBA context object. | |
7928 | * | |
7929 | * For sli4, it is possible to miss an interrupt. As such mbox completions | |
7930 | * maybe missed causing erroneous mailbox timeouts to occur. This function | |
7931 | * checks to see if mbox completions are on the mailbox completion queue | |
7932 | * and will process all the completions associated with the eq for the | |
7933 | * mailbox completion queue. | |
7934 | **/ | |
d7b761b0 | 7935 | static bool |
e8d3c3b1 JS |
7936 | lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba) |
7937 | { | |
b71413dd | 7938 | struct lpfc_sli4_hba *sli4_hba = &phba->sli4_hba; |
e8d3c3b1 JS |
7939 | uint32_t eqidx; |
7940 | struct lpfc_queue *fpeq = NULL; | |
657add4e | 7941 | struct lpfc_queue *eq; |
e8d3c3b1 JS |
7942 | bool mbox_pending; |
7943 | ||
7944 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7945 | return false; | |
7946 | ||
657add4e JS |
7947 | /* Find the EQ associated with the mbox CQ */ |
7948 | if (sli4_hba->hdwq) { | |
7949 | for (eqidx = 0; eqidx < phba->cfg_irq_chann; eqidx++) { | |
7950 | eq = phba->sli4_hba.hba_eq_hdl[eqidx].eq; | |
535fb49e | 7951 | if (eq && eq->queue_id == sli4_hba->mbx_cq->assoc_qid) { |
657add4e | 7952 | fpeq = eq; |
e8d3c3b1 JS |
7953 | break; |
7954 | } | |
657add4e JS |
7955 | } |
7956 | } | |
e8d3c3b1 JS |
7957 | if (!fpeq) |
7958 | return false; | |
7959 | ||
7960 | /* Turn off interrupts from this EQ */ | |
7961 | ||
b71413dd | 7962 | sli4_hba->sli4_eq_clr_intr(fpeq); |
e8d3c3b1 JS |
7963 | |
7964 | /* Check to see if a mbox completion is pending */ | |
7965 | ||
7966 | mbox_pending = lpfc_sli4_mbox_completions_pending(phba); | |
7967 | ||
7968 | /* | |
7969 | * If a mbox completion is pending, process all the events on EQ | |
7970 | * associated with the mbox completion queue (this could include | |
7971 | * mailbox commands, async events, els commands, receive queue data | |
7972 | * and fcp commands) | |
7973 | */ | |
7974 | ||
7975 | if (mbox_pending) | |
32517fc0 | 7976 | /* process and rearm the EQ */ |
93a4d6f4 | 7977 | lpfc_sli4_process_eq(phba, fpeq, LPFC_QUEUE_REARM); |
32517fc0 JS |
7978 | else |
7979 | /* Always clear and re-arm the EQ */ | |
7980 | sli4_hba->sli4_write_eq_db(phba, fpeq, 0, LPFC_QUEUE_REARM); | |
e8d3c3b1 JS |
7981 | |
7982 | return mbox_pending; | |
7983 | ||
7984 | } | |
da0436e9 JS |
7985 | |
7986 | /** | |
7987 | * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout | |
7988 | * @phba: Pointer to HBA context object. | |
7989 | * | |
7990 | * This function is called from worker thread when a mailbox command times out. | |
7991 | * The caller is not required to hold any locks. This function will reset the | |
7992 | * HBA and recover all the pending commands. | |
7993 | **/ | |
7994 | void | |
7995 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
7996 | { | |
7997 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; | |
eb016566 JS |
7998 | MAILBOX_t *mb = NULL; |
7999 | ||
da0436e9 | 8000 | struct lpfc_sli *psli = &phba->sli; |
da0436e9 | 8001 | |
e8d3c3b1 JS |
8002 | /* If the mailbox completed, process the completion and return */ |
8003 | if (lpfc_sli4_process_missed_mbox_completions(phba)) | |
8004 | return; | |
8005 | ||
eb016566 JS |
8006 | if (pmbox != NULL) |
8007 | mb = &pmbox->u.mb; | |
da0436e9 JS |
8008 | /* Check the pmbox pointer first. There is a race condition |
8009 | * between the mbox timeout handler getting executed in the | |
8010 | * worklist and the mailbox actually completing. When this | |
8011 | * race condition occurs, the mbox_active will be NULL. | |
8012 | */ | |
8013 | spin_lock_irq(&phba->hbalock); | |
8014 | if (pmbox == NULL) { | |
8015 | lpfc_printf_log(phba, KERN_WARNING, | |
8016 | LOG_MBOX | LOG_SLI, | |
8017 | "0353 Active Mailbox cleared - mailbox timeout " | |
8018 | "exiting\n"); | |
8019 | spin_unlock_irq(&phba->hbalock); | |
8020 | return; | |
8021 | } | |
8022 | ||
8023 | /* Mbox cmd <mbxCommand> timeout */ | |
8024 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
32350664 | 8025 | "0310 Mailbox command x%x timeout Data: x%x x%x x%px\n", |
da0436e9 JS |
8026 | mb->mbxCommand, |
8027 | phba->pport->port_state, | |
8028 | phba->sli.sli_flag, | |
8029 | phba->sli.mbox_active); | |
8030 | spin_unlock_irq(&phba->hbalock); | |
8031 | ||
8032 | /* Setting state unknown so lpfc_sli_abort_iocb_ring | |
8033 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
25985edc | 8034 | * it to fail all outstanding SCSI IO. |
da0436e9 JS |
8035 | */ |
8036 | spin_lock_irq(&phba->pport->work_port_lock); | |
8037 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
8038 | spin_unlock_irq(&phba->pport->work_port_lock); | |
8039 | spin_lock_irq(&phba->hbalock); | |
8040 | phba->link_state = LPFC_LINK_UNKNOWN; | |
f4b4c68f | 8041 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
da0436e9 JS |
8042 | spin_unlock_irq(&phba->hbalock); |
8043 | ||
db55fba8 | 8044 | lpfc_sli_abort_fcp_rings(phba); |
da0436e9 JS |
8045 | |
8046 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
8047 | "0345 Resetting board due to mailbox timeout\n"); | |
8048 | ||
8049 | /* Reset the HBA device */ | |
8050 | lpfc_reset_hba(phba); | |
8051 | } | |
8052 | ||
8053 | /** | |
8054 | * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware | |
8055 | * @phba: Pointer to HBA context object. | |
8056 | * @pmbox: Pointer to mailbox object. | |
8057 | * @flag: Flag indicating how the mailbox need to be processed. | |
8058 | * | |
8059 | * This function is called by discovery code and HBA management code | |
8060 | * to submit a mailbox command to firmware with SLI-3 interface spec. This | |
8061 | * function gets the hbalock to protect the data structures. | |
8062 | * The mailbox command can be submitted in polling mode, in which case | |
8063 | * this function will wait in a polling loop for the completion of the | |
8064 | * mailbox. | |
8065 | * If the mailbox is submitted in no_wait mode (not polling) the | |
8066 | * function will submit the command and returns immediately without waiting | |
8067 | * for the mailbox completion. The no_wait is supported only when HBA | |
8068 | * is in SLI2/SLI3 mode - interrupts are enabled. | |
8069 | * The SLI interface allows only one mailbox pending at a time. If the | |
8070 | * mailbox is issued in polling mode and there is already a mailbox | |
8071 | * pending, then the function will return an error. If the mailbox is issued | |
8072 | * in NO_WAIT mode and there is a mailbox pending already, the function | |
8073 | * will return MBX_BUSY after queuing the mailbox into mailbox queue. | |
8074 | * The sli layer owns the mailbox object until the completion of mailbox | |
8075 | * command if this function return MBX_BUSY or MBX_SUCCESS. For all other | |
8076 | * return codes the caller owns the mailbox command after the return of | |
8077 | * the function. | |
e59058c4 | 8078 | **/ |
3772a991 JS |
8079 | static int |
8080 | lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, | |
8081 | uint32_t flag) | |
dea3101e | 8082 | { |
bf07bdea | 8083 | MAILBOX_t *mbx; |
2e0fef85 | 8084 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 8085 | uint32_t status, evtctr; |
9940b97b | 8086 | uint32_t ha_copy, hc_copy; |
dea3101e | 8087 | int i; |
09372820 | 8088 | unsigned long timeout; |
dea3101e | 8089 | unsigned long drvr_flag = 0; |
34b02dcd | 8090 | uint32_t word0, ldata; |
dea3101e | 8091 | void __iomem *to_slim; |
58da1ffb JS |
8092 | int processing_queue = 0; |
8093 | ||
8094 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
8095 | if (!pmbox) { | |
8568a4d2 | 8096 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
58da1ffb | 8097 | /* processing mbox queue from intr_handler */ |
3772a991 JS |
8098 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { |
8099 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8100 | return MBX_SUCCESS; | |
8101 | } | |
58da1ffb | 8102 | processing_queue = 1; |
58da1ffb JS |
8103 | pmbox = lpfc_mbox_get(phba); |
8104 | if (!pmbox) { | |
8105 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8106 | return MBX_SUCCESS; | |
8107 | } | |
8108 | } | |
dea3101e | 8109 | |
ed957684 | 8110 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 8111 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 | 8112 | if(!pmbox->vport) { |
58da1ffb | 8113 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
ed957684 | 8114 | lpfc_printf_log(phba, KERN_ERR, |
92d7f7b0 | 8115 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 8116 | "1806 Mbox x%x failed. No vport\n", |
3772a991 | 8117 | pmbox->u.mb.mbxCommand); |
ed957684 | 8118 | dump_stack(); |
58da1ffb | 8119 | goto out_not_finished; |
ed957684 JS |
8120 | } |
8121 | } | |
8122 | ||
8d63f375 | 8123 | /* If the PCI channel is in offline state, do not post mbox. */ |
58da1ffb JS |
8124 | if (unlikely(pci_channel_offline(phba->pcidev))) { |
8125 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8126 | goto out_not_finished; | |
8127 | } | |
8d63f375 | 8128 | |
a257bf90 JS |
8129 | /* If HBA has a deferred error attention, fail the iocb. */ |
8130 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
8131 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8132 | goto out_not_finished; | |
8133 | } | |
8134 | ||
dea3101e | 8135 | psli = &phba->sli; |
92d7f7b0 | 8136 | |
bf07bdea | 8137 | mbx = &pmbox->u.mb; |
dea3101e JB |
8138 | status = MBX_SUCCESS; |
8139 | ||
2e0fef85 JS |
8140 | if (phba->link_state == LPFC_HBA_ERROR) { |
8141 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
8142 | |
8143 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
8144 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8145 | "(%d):0311 Mailbox command x%x cannot " | |
8146 | "issue Data: x%x x%x\n", | |
8147 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8148 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
58da1ffb | 8149 | goto out_not_finished; |
41415862 JW |
8150 | } |
8151 | ||
bf07bdea | 8152 | if (mbx->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT) { |
9940b97b JS |
8153 | if (lpfc_readl(phba->HCregaddr, &hc_copy) || |
8154 | !(hc_copy & HC_MBINT_ENA)) { | |
8155 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
8156 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
3772a991 JS |
8157 | "(%d):2528 Mailbox command x%x cannot " |
8158 | "issue Data: x%x x%x\n", | |
8159 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8160 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
9940b97b JS |
8161 | goto out_not_finished; |
8162 | } | |
9290831f JS |
8163 | } |
8164 | ||
dea3101e JB |
8165 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
8166 | /* Polling for a mbox command when another one is already active | |
8167 | * is not allowed in SLI. Also, the driver must have established | |
8168 | * SLI2 mode to queue and process multiple mbox commands. | |
8169 | */ | |
8170 | ||
8171 | if (flag & MBX_POLL) { | |
2e0fef85 | 8172 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
8173 | |
8174 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
8175 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8176 | "(%d):2529 Mailbox command x%x " | |
8177 | "cannot issue Data: x%x x%x\n", | |
8178 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8179 | pmbox->u.mb.mbxCommand, | |
8180 | psli->sli_flag, flag); | |
58da1ffb | 8181 | goto out_not_finished; |
dea3101e JB |
8182 | } |
8183 | ||
3772a991 | 8184 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE)) { |
2e0fef85 | 8185 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8186 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
8187 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8188 | "(%d):2530 Mailbox command x%x " | |
8189 | "cannot issue Data: x%x x%x\n", | |
8190 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8191 | pmbox->u.mb.mbxCommand, | |
8192 | psli->sli_flag, flag); | |
58da1ffb | 8193 | goto out_not_finished; |
dea3101e JB |
8194 | } |
8195 | ||
dea3101e JB |
8196 | /* Another mailbox command is still being processed, queue this |
8197 | * command to be processed later. | |
8198 | */ | |
8199 | lpfc_mbox_put(phba, pmbox); | |
8200 | ||
8201 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 8202 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 8203 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 8204 | "x%x x%x x%x x%x\n", |
92d7f7b0 | 8205 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
e92974f6 JS |
8206 | mbx->mbxCommand, |
8207 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 8208 | psli->sli_flag, flag); |
dea3101e JB |
8209 | |
8210 | psli->slistat.mbox_busy++; | |
2e0fef85 | 8211 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8212 | |
858c9f6c JS |
8213 | if (pmbox->vport) { |
8214 | lpfc_debugfs_disc_trc(pmbox->vport, | |
8215 | LPFC_DISC_TRC_MBOX_VPORT, | |
8216 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8217 | (uint32_t)mbx->mbxCommand, |
8218 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8219 | } |
8220 | else { | |
8221 | lpfc_debugfs_disc_trc(phba->pport, | |
8222 | LPFC_DISC_TRC_MBOX, | |
8223 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8224 | (uint32_t)mbx->mbxCommand, |
8225 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8226 | } |
8227 | ||
2e0fef85 | 8228 | return MBX_BUSY; |
dea3101e JB |
8229 | } |
8230 | ||
dea3101e JB |
8231 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
8232 | ||
8233 | /* If we are not polling, we MUST be in SLI2 mode */ | |
8234 | if (flag != MBX_POLL) { | |
3772a991 | 8235 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE) && |
bf07bdea | 8236 | (mbx->mbxCommand != MBX_KILL_BOARD)) { |
dea3101e | 8237 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 8238 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 8239 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
8240 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
8241 | "(%d):2531 Mailbox command x%x " | |
8242 | "cannot issue Data: x%x x%x\n", | |
8243 | pmbox->vport ? pmbox->vport->vpi : 0, | |
8244 | pmbox->u.mb.mbxCommand, | |
8245 | psli->sli_flag, flag); | |
58da1ffb | 8246 | goto out_not_finished; |
dea3101e JB |
8247 | } |
8248 | /* timeout active mbox command */ | |
256ec0d0 JS |
8249 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
8250 | 1000); | |
8251 | mod_timer(&psli->mbox_tmo, jiffies + timeout); | |
dea3101e JB |
8252 | } |
8253 | ||
8254 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 8255 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 8256 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 8257 | "x%x\n", |
e8b62011 | 8258 | pmbox->vport ? pmbox->vport->vpi : 0, |
e92974f6 JS |
8259 | mbx->mbxCommand, |
8260 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 8261 | psli->sli_flag, flag); |
dea3101e | 8262 | |
bf07bdea | 8263 | if (mbx->mbxCommand != MBX_HEARTBEAT) { |
858c9f6c JS |
8264 | if (pmbox->vport) { |
8265 | lpfc_debugfs_disc_trc(pmbox->vport, | |
8266 | LPFC_DISC_TRC_MBOX_VPORT, | |
8267 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8268 | (uint32_t)mbx->mbxCommand, |
8269 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8270 | } |
8271 | else { | |
8272 | lpfc_debugfs_disc_trc(phba->pport, | |
8273 | LPFC_DISC_TRC_MBOX, | |
8274 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
8275 | (uint32_t)mbx->mbxCommand, |
8276 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
8277 | } |
8278 | } | |
8279 | ||
dea3101e JB |
8280 | psli->slistat.mbox_cmd++; |
8281 | evtctr = psli->slistat.mbox_event; | |
8282 | ||
8283 | /* next set own bit for the adapter and copy over command word */ | |
bf07bdea | 8284 | mbx->mbxOwner = OWN_CHIP; |
dea3101e | 8285 | |
3772a991 | 8286 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
7a470277 JS |
8287 | /* Populate mbox extension offset word. */ |
8288 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) { | |
bf07bdea | 8289 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
8290 | = (uint8_t *)phba->mbox_ext |
8291 | - (uint8_t *)phba->mbox; | |
8292 | } | |
8293 | ||
8294 | /* Copy the mailbox extension data */ | |
3e1f0718 JS |
8295 | if (pmbox->in_ext_byte_len && pmbox->ctx_buf) { |
8296 | lpfc_sli_pcimem_bcopy(pmbox->ctx_buf, | |
8297 | (uint8_t *)phba->mbox_ext, | |
8298 | pmbox->in_ext_byte_len); | |
7a470277 JS |
8299 | } |
8300 | /* Copy command data to host SLIM area */ | |
bf07bdea | 8301 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, MAILBOX_CMD_SIZE); |
dea3101e | 8302 | } else { |
7a470277 JS |
8303 | /* Populate mbox extension offset word. */ |
8304 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) | |
bf07bdea | 8305 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
8306 | = MAILBOX_HBA_EXT_OFFSET; |
8307 | ||
8308 | /* Copy the mailbox extension data */ | |
3e1f0718 | 8309 | if (pmbox->in_ext_byte_len && pmbox->ctx_buf) |
7a470277 JS |
8310 | lpfc_memcpy_to_slim(phba->MBslimaddr + |
8311 | MAILBOX_HBA_EXT_OFFSET, | |
3e1f0718 | 8312 | pmbox->ctx_buf, pmbox->in_ext_byte_len); |
7a470277 | 8313 | |
895427bd | 8314 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 8315 | /* copy command data into host mbox for cmpl */ |
895427bd JS |
8316 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, |
8317 | MAILBOX_CMD_SIZE); | |
dea3101e JB |
8318 | |
8319 | /* First copy mbox command data to HBA SLIM, skip past first | |
8320 | word */ | |
8321 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
bf07bdea | 8322 | lpfc_memcpy_to_slim(to_slim, &mbx->un.varWords[0], |
dea3101e JB |
8323 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
8324 | ||
8325 | /* Next copy over first word, with mbxOwner set */ | |
bf07bdea | 8326 | ldata = *((uint32_t *)mbx); |
dea3101e JB |
8327 | to_slim = phba->MBslimaddr; |
8328 | writel(ldata, to_slim); | |
8329 | readl(to_slim); /* flush */ | |
8330 | ||
895427bd | 8331 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 8332 | /* switch over to host mailbox */ |
3772a991 | 8333 | psli->sli_flag |= LPFC_SLI_ACTIVE; |
dea3101e JB |
8334 | } |
8335 | ||
8336 | wmb(); | |
dea3101e JB |
8337 | |
8338 | switch (flag) { | |
8339 | case MBX_NOWAIT: | |
09372820 | 8340 | /* Set up reference to mailbox command */ |
dea3101e | 8341 | psli->mbox_active = pmbox; |
09372820 JS |
8342 | /* Interrupt board to do it */ |
8343 | writel(CA_MBATT, phba->CAregaddr); | |
8344 | readl(phba->CAregaddr); /* flush */ | |
8345 | /* Don't wait for it to finish, just return */ | |
dea3101e JB |
8346 | break; |
8347 | ||
8348 | case MBX_POLL: | |
09372820 | 8349 | /* Set up null reference to mailbox command */ |
dea3101e | 8350 | psli->mbox_active = NULL; |
09372820 JS |
8351 | /* Interrupt board to do it */ |
8352 | writel(CA_MBATT, phba->CAregaddr); | |
8353 | readl(phba->CAregaddr); /* flush */ | |
8354 | ||
3772a991 | 8355 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8356 | /* First read mbox status word */ |
34b02dcd | 8357 | word0 = *((uint32_t *)phba->mbox); |
dea3101e JB |
8358 | word0 = le32_to_cpu(word0); |
8359 | } else { | |
8360 | /* First read mbox status word */ | |
9940b97b JS |
8361 | if (lpfc_readl(phba->MBslimaddr, &word0)) { |
8362 | spin_unlock_irqrestore(&phba->hbalock, | |
8363 | drvr_flag); | |
8364 | goto out_not_finished; | |
8365 | } | |
dea3101e JB |
8366 | } |
8367 | ||
8368 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
8369 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
8370 | spin_unlock_irqrestore(&phba->hbalock, | |
8371 | drvr_flag); | |
8372 | goto out_not_finished; | |
8373 | } | |
a183a15f JS |
8374 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
8375 | 1000) + jiffies; | |
09372820 | 8376 | i = 0; |
dea3101e | 8377 | /* Wait for command to complete */ |
41415862 JW |
8378 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
8379 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 8380 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 8381 | if (time_after(jiffies, timeout)) { |
dea3101e | 8382 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 8383 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 8384 | drvr_flag); |
58da1ffb | 8385 | goto out_not_finished; |
dea3101e JB |
8386 | } |
8387 | ||
8388 | /* Check if we took a mbox interrupt while we were | |
8389 | polling */ | |
8390 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
8391 | && (evtctr != psli->slistat.mbox_event)) | |
8392 | break; | |
8393 | ||
09372820 JS |
8394 | if (i++ > 10) { |
8395 | spin_unlock_irqrestore(&phba->hbalock, | |
8396 | drvr_flag); | |
8397 | msleep(1); | |
8398 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
8399 | } | |
dea3101e | 8400 | |
3772a991 | 8401 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8402 | /* First copy command data */ |
34b02dcd | 8403 | word0 = *((uint32_t *)phba->mbox); |
dea3101e | 8404 | word0 = le32_to_cpu(word0); |
bf07bdea | 8405 | if (mbx->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 8406 | MAILBOX_t *slimmb; |
34b02dcd | 8407 | uint32_t slimword0; |
dea3101e JB |
8408 | /* Check real SLIM for any errors */ |
8409 | slimword0 = readl(phba->MBslimaddr); | |
8410 | slimmb = (MAILBOX_t *) & slimword0; | |
8411 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
8412 | && slimmb->mbxStatus) { | |
8413 | psli->sli_flag &= | |
3772a991 | 8414 | ~LPFC_SLI_ACTIVE; |
dea3101e JB |
8415 | word0 = slimword0; |
8416 | } | |
8417 | } | |
8418 | } else { | |
8419 | /* First copy command data */ | |
8420 | word0 = readl(phba->MBslimaddr); | |
8421 | } | |
8422 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
8423 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
8424 | spin_unlock_irqrestore(&phba->hbalock, | |
8425 | drvr_flag); | |
8426 | goto out_not_finished; | |
8427 | } | |
dea3101e JB |
8428 | } |
8429 | ||
3772a991 | 8430 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 8431 | /* copy results back to user */ |
2ea259ee JS |
8432 | lpfc_sli_pcimem_bcopy(phba->mbox, mbx, |
8433 | MAILBOX_CMD_SIZE); | |
7a470277 | 8434 | /* Copy the mailbox extension data */ |
3e1f0718 | 8435 | if (pmbox->out_ext_byte_len && pmbox->ctx_buf) { |
7a470277 | 8436 | lpfc_sli_pcimem_bcopy(phba->mbox_ext, |
3e1f0718 | 8437 | pmbox->ctx_buf, |
7a470277 JS |
8438 | pmbox->out_ext_byte_len); |
8439 | } | |
dea3101e JB |
8440 | } else { |
8441 | /* First copy command data */ | |
bf07bdea | 8442 | lpfc_memcpy_from_slim(mbx, phba->MBslimaddr, |
2ea259ee | 8443 | MAILBOX_CMD_SIZE); |
7a470277 | 8444 | /* Copy the mailbox extension data */ |
3e1f0718 JS |
8445 | if (pmbox->out_ext_byte_len && pmbox->ctx_buf) { |
8446 | lpfc_memcpy_from_slim( | |
8447 | pmbox->ctx_buf, | |
7a470277 JS |
8448 | phba->MBslimaddr + |
8449 | MAILBOX_HBA_EXT_OFFSET, | |
8450 | pmbox->out_ext_byte_len); | |
dea3101e JB |
8451 | } |
8452 | } | |
8453 | ||
8454 | writel(HA_MBATT, phba->HAregaddr); | |
8455 | readl(phba->HAregaddr); /* flush */ | |
8456 | ||
8457 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
bf07bdea | 8458 | status = mbx->mbxStatus; |
dea3101e JB |
8459 | } |
8460 | ||
2e0fef85 JS |
8461 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
8462 | return status; | |
58da1ffb JS |
8463 | |
8464 | out_not_finished: | |
8465 | if (processing_queue) { | |
da0436e9 | 8466 | pmbox->u.mb.mbxStatus = MBX_NOT_FINISHED; |
58da1ffb JS |
8467 | lpfc_mbox_cmpl_put(phba, pmbox); |
8468 | } | |
8469 | return MBX_NOT_FINISHED; | |
dea3101e JB |
8470 | } |
8471 | ||
f1126688 JS |
8472 | /** |
8473 | * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command | |
8474 | * @phba: Pointer to HBA context object. | |
8475 | * | |
8476 | * The function blocks the posting of SLI4 asynchronous mailbox commands from | |
8477 | * the driver internal pending mailbox queue. It will then try to wait out the | |
8478 | * possible outstanding mailbox command before return. | |
8479 | * | |
8480 | * Returns: | |
8481 | * 0 - the outstanding mailbox command completed; otherwise, the wait for | |
8482 | * the outstanding mailbox command timed out. | |
8483 | **/ | |
8484 | static int | |
8485 | lpfc_sli4_async_mbox_block(struct lpfc_hba *phba) | |
8486 | { | |
8487 | struct lpfc_sli *psli = &phba->sli; | |
f1126688 | 8488 | int rc = 0; |
a183a15f | 8489 | unsigned long timeout = 0; |
f1126688 JS |
8490 | |
8491 | /* Mark the asynchronous mailbox command posting as blocked */ | |
8492 | spin_lock_irq(&phba->hbalock); | |
8493 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
f1126688 JS |
8494 | /* Determine how long we might wait for the active mailbox |
8495 | * command to be gracefully completed by firmware. | |
8496 | */ | |
a183a15f JS |
8497 | if (phba->sli.mbox_active) |
8498 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
8499 | phba->sli.mbox_active) * | |
8500 | 1000) + jiffies; | |
8501 | spin_unlock_irq(&phba->hbalock); | |
8502 | ||
e8d3c3b1 JS |
8503 | /* Make sure the mailbox is really active */ |
8504 | if (timeout) | |
8505 | lpfc_sli4_process_missed_mbox_completions(phba); | |
8506 | ||
f1126688 JS |
8507 | /* Wait for the outstnading mailbox command to complete */ |
8508 | while (phba->sli.mbox_active) { | |
8509 | /* Check active mailbox complete status every 2ms */ | |
8510 | msleep(2); | |
8511 | if (time_after(jiffies, timeout)) { | |
8512 | /* Timeout, marked the outstanding cmd not complete */ | |
8513 | rc = 1; | |
8514 | break; | |
8515 | } | |
8516 | } | |
8517 | ||
8518 | /* Can not cleanly block async mailbox command, fails it */ | |
8519 | if (rc) { | |
8520 | spin_lock_irq(&phba->hbalock); | |
8521 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
8522 | spin_unlock_irq(&phba->hbalock); | |
8523 | } | |
8524 | return rc; | |
8525 | } | |
8526 | ||
8527 | /** | |
8528 | * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command | |
8529 | * @phba: Pointer to HBA context object. | |
8530 | * | |
8531 | * The function unblocks and resume posting of SLI4 asynchronous mailbox | |
8532 | * commands from the driver internal pending mailbox queue. It makes sure | |
8533 | * that there is no outstanding mailbox command before resuming posting | |
8534 | * asynchronous mailbox commands. If, for any reason, there is outstanding | |
8535 | * mailbox command, it will try to wait it out before resuming asynchronous | |
8536 | * mailbox command posting. | |
8537 | **/ | |
8538 | static void | |
8539 | lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba) | |
8540 | { | |
8541 | struct lpfc_sli *psli = &phba->sli; | |
8542 | ||
8543 | spin_lock_irq(&phba->hbalock); | |
8544 | if (!(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
8545 | /* Asynchronous mailbox posting is not blocked, do nothing */ | |
8546 | spin_unlock_irq(&phba->hbalock); | |
8547 | return; | |
8548 | } | |
8549 | ||
8550 | /* Outstanding synchronous mailbox command is guaranteed to be done, | |
8551 | * successful or timeout, after timing-out the outstanding mailbox | |
8552 | * command shall always be removed, so just unblock posting async | |
8553 | * mailbox command and resume | |
8554 | */ | |
8555 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
8556 | spin_unlock_irq(&phba->hbalock); | |
8557 | ||
8558 | /* wake up worker thread to post asynchronlous mailbox command */ | |
8559 | lpfc_worker_wake_up(phba); | |
8560 | } | |
8561 | ||
2d843edc JS |
8562 | /** |
8563 | * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready | |
8564 | * @phba: Pointer to HBA context object. | |
8565 | * @mboxq: Pointer to mailbox object. | |
8566 | * | |
8567 | * The function waits for the bootstrap mailbox register ready bit from | |
8568 | * port for twice the regular mailbox command timeout value. | |
8569 | * | |
8570 | * 0 - no timeout on waiting for bootstrap mailbox register ready. | |
8571 | * MBXERR_ERROR - wait for bootstrap mailbox register timed out. | |
8572 | **/ | |
8573 | static int | |
8574 | lpfc_sli4_wait_bmbx_ready(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8575 | { | |
8576 | uint32_t db_ready; | |
8577 | unsigned long timeout; | |
8578 | struct lpfc_register bmbx_reg; | |
8579 | ||
8580 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq) | |
8581 | * 1000) + jiffies; | |
8582 | ||
8583 | do { | |
8584 | bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr); | |
8585 | db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg); | |
8586 | if (!db_ready) | |
e2ffe4d5 | 8587 | mdelay(2); |
2d843edc JS |
8588 | |
8589 | if (time_after(jiffies, timeout)) | |
8590 | return MBXERR_ERROR; | |
8591 | } while (!db_ready); | |
8592 | ||
8593 | return 0; | |
8594 | } | |
8595 | ||
da0436e9 JS |
8596 | /** |
8597 | * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox | |
8598 | * @phba: Pointer to HBA context object. | |
8599 | * @mboxq: Pointer to mailbox object. | |
8600 | * | |
8601 | * The function posts a mailbox to the port. The mailbox is expected | |
8602 | * to be comletely filled in and ready for the port to operate on it. | |
8603 | * This routine executes a synchronous completion operation on the | |
8604 | * mailbox by polling for its completion. | |
8605 | * | |
8606 | * The caller must not be holding any locks when calling this routine. | |
8607 | * | |
8608 | * Returns: | |
8609 | * MBX_SUCCESS - mailbox posted successfully | |
8610 | * Any of the MBX error values. | |
8611 | **/ | |
8612 | static int | |
8613 | lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
8614 | { | |
8615 | int rc = MBX_SUCCESS; | |
8616 | unsigned long iflag; | |
da0436e9 JS |
8617 | uint32_t mcqe_status; |
8618 | uint32_t mbx_cmnd; | |
da0436e9 JS |
8619 | struct lpfc_sli *psli = &phba->sli; |
8620 | struct lpfc_mqe *mb = &mboxq->u.mqe; | |
8621 | struct lpfc_bmbx_create *mbox_rgn; | |
8622 | struct dma_address *dma_address; | |
da0436e9 JS |
8623 | |
8624 | /* | |
8625 | * Only one mailbox can be active to the bootstrap mailbox region | |
8626 | * at a time and there is no queueing provided. | |
8627 | */ | |
8628 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8629 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8630 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8631 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8632 | "(%d):2532 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8633 | "cannot issue Data: x%x x%x\n", |
8634 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8635 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8636 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8637 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8638 | psli->sli_flag, MBX_POLL); |
8639 | return MBXERR_ERROR; | |
8640 | } | |
8641 | /* The server grabs the token and owns it until release */ | |
8642 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
8643 | phba->sli.mbox_active = mboxq; | |
8644 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8645 | ||
2d843edc JS |
8646 | /* wait for bootstrap mbox register for readyness */ |
8647 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8648 | if (rc) | |
8649 | goto exit; | |
da0436e9 JS |
8650 | /* |
8651 | * Initialize the bootstrap memory region to avoid stale data areas | |
8652 | * in the mailbox post. Then copy the caller's mailbox contents to | |
8653 | * the bmbx mailbox region. | |
8654 | */ | |
8655 | mbx_cmnd = bf_get(lpfc_mqe_command, mb); | |
8656 | memset(phba->sli4_hba.bmbx.avirt, 0, sizeof(struct lpfc_bmbx_create)); | |
48f8fdb4 JS |
8657 | lpfc_sli4_pcimem_bcopy(mb, phba->sli4_hba.bmbx.avirt, |
8658 | sizeof(struct lpfc_mqe)); | |
da0436e9 JS |
8659 | |
8660 | /* Post the high mailbox dma address to the port and wait for ready. */ | |
8661 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
8662 | writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr); | |
8663 | ||
2d843edc JS |
8664 | /* wait for bootstrap mbox register for hi-address write done */ |
8665 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8666 | if (rc) | |
8667 | goto exit; | |
da0436e9 JS |
8668 | |
8669 | /* Post the low mailbox dma address to the port. */ | |
8670 | writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr); | |
da0436e9 | 8671 | |
2d843edc JS |
8672 | /* wait for bootstrap mbox register for low address write done */ |
8673 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
8674 | if (rc) | |
8675 | goto exit; | |
da0436e9 JS |
8676 | |
8677 | /* | |
8678 | * Read the CQ to ensure the mailbox has completed. | |
8679 | * If so, update the mailbox status so that the upper layers | |
8680 | * can complete the request normally. | |
8681 | */ | |
48f8fdb4 JS |
8682 | lpfc_sli4_pcimem_bcopy(phba->sli4_hba.bmbx.avirt, mb, |
8683 | sizeof(struct lpfc_mqe)); | |
da0436e9 | 8684 | mbox_rgn = (struct lpfc_bmbx_create *) phba->sli4_hba.bmbx.avirt; |
48f8fdb4 JS |
8685 | lpfc_sli4_pcimem_bcopy(&mbox_rgn->mcqe, &mboxq->mcqe, |
8686 | sizeof(struct lpfc_mcqe)); | |
da0436e9 | 8687 | mcqe_status = bf_get(lpfc_mcqe_status, &mbox_rgn->mcqe); |
0558056c JS |
8688 | /* |
8689 | * When the CQE status indicates a failure and the mailbox status | |
8690 | * indicates success then copy the CQE status into the mailbox status | |
8691 | * (and prefix it with x4000). | |
8692 | */ | |
da0436e9 | 8693 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { |
0558056c JS |
8694 | if (bf_get(lpfc_mqe_status, mb) == MBX_SUCCESS) |
8695 | bf_set(lpfc_mqe_status, mb, | |
8696 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
da0436e9 | 8697 | rc = MBXERR_ERROR; |
d7c47992 JS |
8698 | } else |
8699 | lpfc_sli4_swap_str(phba, mboxq); | |
da0436e9 JS |
8700 | |
8701 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8702 | "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x " |
da0436e9 JS |
8703 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x" |
8704 | " x%x x%x CQ: x%x x%x x%x x%x\n", | |
a183a15f JS |
8705 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, |
8706 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
8707 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8708 | bf_get(lpfc_mqe_status, mb), |
8709 | mb->un.mb_words[0], mb->un.mb_words[1], | |
8710 | mb->un.mb_words[2], mb->un.mb_words[3], | |
8711 | mb->un.mb_words[4], mb->un.mb_words[5], | |
8712 | mb->un.mb_words[6], mb->un.mb_words[7], | |
8713 | mb->un.mb_words[8], mb->un.mb_words[9], | |
8714 | mb->un.mb_words[10], mb->un.mb_words[11], | |
8715 | mb->un.mb_words[12], mboxq->mcqe.word0, | |
8716 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
8717 | mboxq->mcqe.trailer); | |
8718 | exit: | |
8719 | /* We are holding the token, no needed for lock when release */ | |
8720 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8721 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8722 | phba->sli.mbox_active = NULL; | |
8723 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8724 | return rc; | |
8725 | } | |
8726 | ||
8727 | /** | |
8728 | * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware | |
8729 | * @phba: Pointer to HBA context object. | |
8730 | * @pmbox: Pointer to mailbox object. | |
8731 | * @flag: Flag indicating how the mailbox need to be processed. | |
8732 | * | |
8733 | * This function is called by discovery code and HBA management code to submit | |
8734 | * a mailbox command to firmware with SLI-4 interface spec. | |
8735 | * | |
8736 | * Return codes the caller owns the mailbox command after the return of the | |
8737 | * function. | |
8738 | **/ | |
8739 | static int | |
8740 | lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
8741 | uint32_t flag) | |
8742 | { | |
8743 | struct lpfc_sli *psli = &phba->sli; | |
8744 | unsigned long iflags; | |
8745 | int rc; | |
8746 | ||
b76f2dc9 JS |
8747 | /* dump from issue mailbox command if setup */ |
8748 | lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb); | |
8749 | ||
8fa38513 JS |
8750 | rc = lpfc_mbox_dev_check(phba); |
8751 | if (unlikely(rc)) { | |
8752 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8753 | "(%d):2544 Mailbox command x%x (x%x/x%x) " |
8fa38513 JS |
8754 | "cannot issue Data: x%x x%x\n", |
8755 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8756 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8757 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8758 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
8fa38513 JS |
8759 | psli->sli_flag, flag); |
8760 | goto out_not_finished; | |
8761 | } | |
8762 | ||
da0436e9 JS |
8763 | /* Detect polling mode and jump to a handler */ |
8764 | if (!phba->sli4_hba.intr_enable) { | |
8765 | if (flag == MBX_POLL) | |
8766 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8767 | else | |
8768 | rc = -EIO; | |
8769 | if (rc != MBX_SUCCESS) | |
0558056c | 8770 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
da0436e9 | 8771 | "(%d):2541 Mailbox command x%x " |
cc459f19 JS |
8772 | "(x%x/x%x) failure: " |
8773 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8774 | "Data: x%x x%x\n,", | |
da0436e9 JS |
8775 | mboxq->vport ? mboxq->vport->vpi : 0, |
8776 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8777 | lpfc_sli_config_mbox_subsys_get(phba, |
8778 | mboxq), | |
8779 | lpfc_sli_config_mbox_opcode_get(phba, | |
8780 | mboxq), | |
cc459f19 JS |
8781 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8782 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8783 | bf_get(lpfc_mcqe_ext_status, | |
8784 | &mboxq->mcqe), | |
da0436e9 JS |
8785 | psli->sli_flag, flag); |
8786 | return rc; | |
8787 | } else if (flag == MBX_POLL) { | |
f1126688 JS |
8788 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
8789 | "(%d):2542 Try to issue mailbox command " | |
7365f6fd | 8790 | "x%x (x%x/x%x) synchronously ahead of async " |
f1126688 | 8791 | "mailbox command queue: x%x x%x\n", |
da0436e9 JS |
8792 | mboxq->vport ? mboxq->vport->vpi : 0, |
8793 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8794 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8795 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 | 8796 | psli->sli_flag, flag); |
f1126688 JS |
8797 | /* Try to block the asynchronous mailbox posting */ |
8798 | rc = lpfc_sli4_async_mbox_block(phba); | |
8799 | if (!rc) { | |
8800 | /* Successfully blocked, now issue sync mbox cmd */ | |
8801 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8802 | if (rc != MBX_SUCCESS) | |
cc459f19 | 8803 | lpfc_printf_log(phba, KERN_WARNING, |
a183a15f | 8804 | LOG_MBOX | LOG_SLI, |
cc459f19 JS |
8805 | "(%d):2597 Sync Mailbox command " |
8806 | "x%x (x%x/x%x) failure: " | |
8807 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8808 | "Data: x%x x%x\n,", | |
8809 | mboxq->vport ? mboxq->vport->vpi : 0, | |
a183a15f JS |
8810 | mboxq->u.mb.mbxCommand, |
8811 | lpfc_sli_config_mbox_subsys_get(phba, | |
8812 | mboxq), | |
8813 | lpfc_sli_config_mbox_opcode_get(phba, | |
8814 | mboxq), | |
cc459f19 JS |
8815 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8816 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8817 | bf_get(lpfc_mcqe_ext_status, | |
8818 | &mboxq->mcqe), | |
a183a15f | 8819 | psli->sli_flag, flag); |
f1126688 JS |
8820 | /* Unblock the async mailbox posting afterward */ |
8821 | lpfc_sli4_async_mbox_unblock(phba); | |
8822 | } | |
8823 | return rc; | |
da0436e9 JS |
8824 | } |
8825 | ||
8826 | /* Now, interrupt mode asynchrous mailbox command */ | |
8827 | rc = lpfc_mbox_cmd_check(phba, mboxq); | |
8828 | if (rc) { | |
8829 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8830 | "(%d):2543 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8831 | "cannot issue Data: x%x x%x\n", |
8832 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8833 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8834 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8835 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8836 | psli->sli_flag, flag); |
8837 | goto out_not_finished; | |
8838 | } | |
da0436e9 JS |
8839 | |
8840 | /* Put the mailbox command to the driver internal FIFO */ | |
8841 | psli->slistat.mbox_busy++; | |
8842 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8843 | lpfc_mbox_put(phba, mboxq); | |
8844 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8845 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
8846 | "(%d):0354 Mbox cmd issue - Enqueue Data: " | |
a183a15f | 8847 | "x%x (x%x/x%x) x%x x%x x%x\n", |
da0436e9 JS |
8848 | mboxq->vport ? mboxq->vport->vpi : 0xffffff, |
8849 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
a183a15f JS |
8850 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8851 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8852 | phba->pport->port_state, |
8853 | psli->sli_flag, MBX_NOWAIT); | |
8854 | /* Wake up worker thread to transport mailbox command from head */ | |
8855 | lpfc_worker_wake_up(phba); | |
8856 | ||
8857 | return MBX_BUSY; | |
8858 | ||
8859 | out_not_finished: | |
8860 | return MBX_NOT_FINISHED; | |
8861 | } | |
8862 | ||
8863 | /** | |
8864 | * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device | |
8865 | * @phba: Pointer to HBA context object. | |
8866 | * | |
8867 | * This function is called by worker thread to send a mailbox command to | |
8868 | * SLI4 HBA firmware. | |
8869 | * | |
8870 | **/ | |
8871 | int | |
8872 | lpfc_sli4_post_async_mbox(struct lpfc_hba *phba) | |
8873 | { | |
8874 | struct lpfc_sli *psli = &phba->sli; | |
8875 | LPFC_MBOXQ_t *mboxq; | |
8876 | int rc = MBX_SUCCESS; | |
8877 | unsigned long iflags; | |
8878 | struct lpfc_mqe *mqe; | |
8879 | uint32_t mbx_cmnd; | |
8880 | ||
8881 | /* Check interrupt mode before post async mailbox command */ | |
8882 | if (unlikely(!phba->sli4_hba.intr_enable)) | |
8883 | return MBX_NOT_FINISHED; | |
8884 | ||
8885 | /* Check for mailbox command service token */ | |
8886 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8887 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
8888 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8889 | return MBX_NOT_FINISHED; | |
8890 | } | |
8891 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8892 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8893 | return MBX_NOT_FINISHED; | |
8894 | } | |
8895 | if (unlikely(phba->sli.mbox_active)) { | |
8896 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8897 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
8898 | "0384 There is pending active mailbox cmd\n"); | |
8899 | return MBX_NOT_FINISHED; | |
8900 | } | |
8901 | /* Take the mailbox command service token */ | |
8902 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
8903 | ||
8904 | /* Get the next mailbox command from head of queue */ | |
8905 | mboxq = lpfc_mbox_get(phba); | |
8906 | ||
8907 | /* If no more mailbox command waiting for post, we're done */ | |
8908 | if (!mboxq) { | |
8909 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8910 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8911 | return MBX_SUCCESS; | |
8912 | } | |
8913 | phba->sli.mbox_active = mboxq; | |
8914 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8915 | ||
8916 | /* Check device readiness for posting mailbox command */ | |
8917 | rc = lpfc_mbox_dev_check(phba); | |
8918 | if (unlikely(rc)) | |
8919 | /* Driver clean routine will clean up pending mailbox */ | |
8920 | goto out_not_finished; | |
8921 | ||
8922 | /* Prepare the mbox command to be posted */ | |
8923 | mqe = &mboxq->u.mqe; | |
8924 | mbx_cmnd = bf_get(lpfc_mqe_command, mqe); | |
8925 | ||
8926 | /* Start timer for the mbox_tmo and log some mailbox post messages */ | |
8927 | mod_timer(&psli->mbox_tmo, (jiffies + | |
256ec0d0 | 8928 | msecs_to_jiffies(1000 * lpfc_mbox_tmo_val(phba, mboxq)))); |
da0436e9 JS |
8929 | |
8930 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8931 | "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: " |
da0436e9 JS |
8932 | "x%x x%x\n", |
8933 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, | |
a183a15f JS |
8934 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8935 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8936 | phba->pport->port_state, psli->sli_flag); |
8937 | ||
8938 | if (mbx_cmnd != MBX_HEARTBEAT) { | |
8939 | if (mboxq->vport) { | |
8940 | lpfc_debugfs_disc_trc(mboxq->vport, | |
8941 | LPFC_DISC_TRC_MBOX_VPORT, | |
8942 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
8943 | mbx_cmnd, mqe->un.mb_words[0], | |
8944 | mqe->un.mb_words[1]); | |
8945 | } else { | |
8946 | lpfc_debugfs_disc_trc(phba->pport, | |
8947 | LPFC_DISC_TRC_MBOX, | |
8948 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
8949 | mbx_cmnd, mqe->un.mb_words[0], | |
8950 | mqe->un.mb_words[1]); | |
8951 | } | |
8952 | } | |
8953 | psli->slistat.mbox_cmd++; | |
8954 | ||
8955 | /* Post the mailbox command to the port */ | |
8956 | rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe); | |
8957 | if (rc != MBX_SUCCESS) { | |
8958 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8959 | "(%d):2533 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8960 | "cannot issue Data: x%x x%x\n", |
8961 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8962 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8963 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8964 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8965 | psli->sli_flag, MBX_NOWAIT); |
8966 | goto out_not_finished; | |
8967 | } | |
8968 | ||
8969 | return rc; | |
8970 | ||
8971 | out_not_finished: | |
8972 | spin_lock_irqsave(&phba->hbalock, iflags); | |
d7069f09 JS |
8973 | if (phba->sli.mbox_active) { |
8974 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
8975 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
8976 | /* Release the token */ | |
8977 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8978 | phba->sli.mbox_active = NULL; | |
8979 | } | |
da0436e9 JS |
8980 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
8981 | ||
8982 | return MBX_NOT_FINISHED; | |
8983 | } | |
8984 | ||
8985 | /** | |
8986 | * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command | |
8987 | * @phba: Pointer to HBA context object. | |
8988 | * @pmbox: Pointer to mailbox object. | |
8989 | * @flag: Flag indicating how the mailbox need to be processed. | |
8990 | * | |
8991 | * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from | |
8992 | * the API jump table function pointer from the lpfc_hba struct. | |
8993 | * | |
8994 | * Return codes the caller owns the mailbox command after the return of the | |
8995 | * function. | |
8996 | **/ | |
8997 | int | |
8998 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) | |
8999 | { | |
9000 | return phba->lpfc_sli_issue_mbox(phba, pmbox, flag); | |
9001 | } | |
9002 | ||
9003 | /** | |
25985edc | 9004 | * lpfc_mbox_api_table_setup - Set up mbox api function jump table |
da0436e9 JS |
9005 | * @phba: The hba struct for which this call is being executed. |
9006 | * @dev_grp: The HBA PCI-Device group number. | |
9007 | * | |
9008 | * This routine sets up the mbox interface API function jump table in @phba | |
9009 | * struct. | |
9010 | * Returns: 0 - success, -ENODEV - failure. | |
9011 | **/ | |
9012 | int | |
9013 | lpfc_mbox_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
9014 | { | |
9015 | ||
9016 | switch (dev_grp) { | |
9017 | case LPFC_PCI_DEV_LP: | |
9018 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s3; | |
9019 | phba->lpfc_sli_handle_slow_ring_event = | |
9020 | lpfc_sli_handle_slow_ring_event_s3; | |
9021 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s3; | |
9022 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s3; | |
9023 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s3; | |
9024 | break; | |
9025 | case LPFC_PCI_DEV_OC: | |
9026 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s4; | |
9027 | phba->lpfc_sli_handle_slow_ring_event = | |
9028 | lpfc_sli_handle_slow_ring_event_s4; | |
9029 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s4; | |
9030 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s4; | |
9031 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s4; | |
9032 | break; | |
9033 | default: | |
9034 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9035 | "1420 Invalid HBA PCI-device group: 0x%x\n", | |
9036 | dev_grp); | |
9037 | return -ENODEV; | |
9038 | break; | |
9039 | } | |
9040 | return 0; | |
9041 | } | |
9042 | ||
e59058c4 | 9043 | /** |
3621a710 | 9044 | * __lpfc_sli_ringtx_put - Add an iocb to the txq |
e59058c4 JS |
9045 | * @phba: Pointer to HBA context object. |
9046 | * @pring: Pointer to driver SLI ring object. | |
9047 | * @piocb: Pointer to address of newly added command iocb. | |
9048 | * | |
27f3efd6 JS |
9049 | * This function is called with hbalock held for SLI3 ports or |
9050 | * the ring lock held for SLI4 ports to add a command | |
e59058c4 JS |
9051 | * iocb to the txq when SLI layer cannot submit the command iocb |
9052 | * to the ring. | |
9053 | **/ | |
2a9bf3d0 | 9054 | void |
92d7f7b0 | 9055 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 9056 | struct lpfc_iocbq *piocb) |
dea3101e | 9057 | { |
27f3efd6 JS |
9058 | if (phba->sli_rev == LPFC_SLI_REV4) |
9059 | lockdep_assert_held(&pring->ring_lock); | |
9060 | else | |
9061 | lockdep_assert_held(&phba->hbalock); | |
dea3101e JB |
9062 | /* Insert the caller's iocb in the txq tail for later processing. */ |
9063 | list_add_tail(&piocb->list, &pring->txq); | |
dea3101e JB |
9064 | } |
9065 | ||
e59058c4 | 9066 | /** |
3621a710 | 9067 | * lpfc_sli_next_iocb - Get the next iocb in the txq |
e59058c4 JS |
9068 | * @phba: Pointer to HBA context object. |
9069 | * @pring: Pointer to driver SLI ring object. | |
9070 | * @piocb: Pointer to address of newly added command iocb. | |
9071 | * | |
9072 | * This function is called with hbalock held before a new | |
9073 | * iocb is submitted to the firmware. This function checks | |
9074 | * txq to flush the iocbs in txq to Firmware before | |
9075 | * submitting new iocbs to the Firmware. | |
9076 | * If there are iocbs in the txq which need to be submitted | |
9077 | * to firmware, lpfc_sli_next_iocb returns the first element | |
9078 | * of the txq after dequeuing it from txq. | |
9079 | * If there is no iocb in the txq then the function will return | |
9080 | * *piocb and *piocb is set to NULL. Caller needs to check | |
9081 | * *piocb to find if there are more commands in the txq. | |
9082 | **/ | |
dea3101e JB |
9083 | static struct lpfc_iocbq * |
9084 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 9085 | struct lpfc_iocbq **piocb) |
dea3101e JB |
9086 | { |
9087 | struct lpfc_iocbq * nextiocb; | |
9088 | ||
1c2ba475 JT |
9089 | lockdep_assert_held(&phba->hbalock); |
9090 | ||
dea3101e JB |
9091 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
9092 | if (!nextiocb) { | |
9093 | nextiocb = *piocb; | |
9094 | *piocb = NULL; | |
9095 | } | |
9096 | ||
9097 | return nextiocb; | |
9098 | } | |
9099 | ||
e59058c4 | 9100 | /** |
3772a991 | 9101 | * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb |
e59058c4 | 9102 | * @phba: Pointer to HBA context object. |
3772a991 | 9103 | * @ring_number: SLI ring number to issue iocb on. |
e59058c4 JS |
9104 | * @piocb: Pointer to command iocb. |
9105 | * @flag: Flag indicating if this command can be put into txq. | |
9106 | * | |
3772a991 JS |
9107 | * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue |
9108 | * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is | |
9109 | * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT | |
9110 | * flag is turned on, the function returns IOCB_ERROR. When the link is down, | |
9111 | * this function allows only iocbs for posting buffers. This function finds | |
9112 | * next available slot in the command ring and posts the command to the | |
9113 | * available slot and writes the port attention register to request HBA start | |
9114 | * processing new iocb. If there is no slot available in the ring and | |
9115 | * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise | |
9116 | * the function returns IOCB_BUSY. | |
e59058c4 | 9117 | * |
3772a991 JS |
9118 | * This function is called with hbalock held. The function will return success |
9119 | * after it successfully submit the iocb to firmware or after adding to the | |
9120 | * txq. | |
e59058c4 | 9121 | **/ |
98c9ea5c | 9122 | static int |
3772a991 | 9123 | __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, |
dea3101e JB |
9124 | struct lpfc_iocbq *piocb, uint32_t flag) |
9125 | { | |
9126 | struct lpfc_iocbq *nextiocb; | |
9127 | IOCB_t *iocb; | |
895427bd | 9128 | struct lpfc_sli_ring *pring = &phba->sli.sli3_ring[ring_number]; |
dea3101e | 9129 | |
1c2ba475 JT |
9130 | lockdep_assert_held(&phba->hbalock); |
9131 | ||
92d7f7b0 JS |
9132 | if (piocb->iocb_cmpl && (!piocb->vport) && |
9133 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
9134 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
9135 | lpfc_printf_log(phba, KERN_ERR, | |
9136 | LOG_SLI | LOG_VPORT, | |
e8b62011 | 9137 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
9138 | piocb->iocb.ulpCommand); |
9139 | dump_stack(); | |
9140 | return IOCB_ERROR; | |
9141 | } | |
9142 | ||
9143 | ||
8d63f375 LV |
9144 | /* If the PCI channel is in offline state, do not post iocbs. */ |
9145 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
9146 | return IOCB_ERROR; | |
9147 | ||
a257bf90 JS |
9148 | /* If HBA has a deferred error attention, fail the iocb. */ |
9149 | if (unlikely(phba->hba_flag & DEFER_ERATT)) | |
9150 | return IOCB_ERROR; | |
9151 | ||
dea3101e JB |
9152 | /* |
9153 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
9154 | */ | |
2e0fef85 | 9155 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e JB |
9156 | return IOCB_ERROR; |
9157 | ||
9158 | /* | |
9159 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 9160 | * outstanding event. |
dea3101e | 9161 | */ |
0b727fea | 9162 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e JB |
9163 | goto iocb_busy; |
9164 | ||
2e0fef85 | 9165 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 9166 | /* |
2680eeaa | 9167 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e JB |
9168 | * can be issued if the link is not up. |
9169 | */ | |
9170 | switch (piocb->iocb.ulpCommand) { | |
84774a4d JS |
9171 | case CMD_GEN_REQUEST64_CR: |
9172 | case CMD_GEN_REQUEST64_CX: | |
9173 | if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) || | |
9174 | (piocb->iocb.un.genreq64.w5.hcsw.Rctl != | |
6a9c52cf | 9175 | FC_RCTL_DD_UNSOL_CMD) || |
84774a4d JS |
9176 | (piocb->iocb.un.genreq64.w5.hcsw.Type != |
9177 | MENLO_TRANSPORT_TYPE)) | |
9178 | ||
9179 | goto iocb_busy; | |
9180 | break; | |
dea3101e JB |
9181 | case CMD_QUE_RING_BUF_CN: |
9182 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e JB |
9183 | /* |
9184 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
9185 | * completion, iocb_cmpl MUST be 0. | |
9186 | */ | |
9187 | if (piocb->iocb_cmpl) | |
9188 | piocb->iocb_cmpl = NULL; | |
9189 | /*FALLTHROUGH*/ | |
9190 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
9191 | case CMD_CLOSE_XRI_CN: |
9192 | case CMD_CLOSE_XRI_CX: | |
dea3101e JB |
9193 | break; |
9194 | default: | |
9195 | goto iocb_busy; | |
9196 | } | |
9197 | ||
9198 | /* | |
9199 | * For FCP commands, we must be in a state where we can process link | |
9200 | * attention events. | |
9201 | */ | |
895427bd | 9202 | } else if (unlikely(pring->ringno == LPFC_FCP_RING && |
92d7f7b0 | 9203 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 9204 | goto iocb_busy; |
92d7f7b0 | 9205 | } |
dea3101e | 9206 | |
dea3101e JB |
9207 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
9208 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
9209 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
9210 | ||
9211 | if (iocb) | |
9212 | lpfc_sli_update_ring(phba, pring); | |
9213 | else | |
9214 | lpfc_sli_update_full_ring(phba, pring); | |
9215 | ||
9216 | if (!piocb) | |
9217 | return IOCB_SUCCESS; | |
9218 | ||
9219 | goto out_busy; | |
9220 | ||
9221 | iocb_busy: | |
9222 | pring->stats.iocb_cmd_delay++; | |
9223 | ||
9224 | out_busy: | |
9225 | ||
9226 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 9227 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e JB |
9228 | return IOCB_SUCCESS; |
9229 | } | |
9230 | ||
9231 | return IOCB_BUSY; | |
9232 | } | |
9233 | ||
3772a991 | 9234 | /** |
4f774513 JS |
9235 | * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl. |
9236 | * @phba: Pointer to HBA context object. | |
9237 | * @piocb: Pointer to command iocb. | |
9238 | * @sglq: Pointer to the scatter gather queue object. | |
9239 | * | |
9240 | * This routine converts the bpl or bde that is in the IOCB | |
9241 | * to a sgl list for the sli4 hardware. The physical address | |
9242 | * of the bpl/bde is converted back to a virtual address. | |
9243 | * If the IOCB contains a BPL then the list of BDE's is | |
9244 | * converted to sli4_sge's. If the IOCB contains a single | |
9245 | * BDE then it is converted to a single sli_sge. | |
9246 | * The IOCB is still in cpu endianess so the contents of | |
9247 | * the bpl can be used without byte swapping. | |
9248 | * | |
9249 | * Returns valid XRI = Success, NO_XRI = Failure. | |
9250 | **/ | |
9251 | static uint16_t | |
9252 | lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, | |
9253 | struct lpfc_sglq *sglq) | |
3772a991 | 9254 | { |
4f774513 JS |
9255 | uint16_t xritag = NO_XRI; |
9256 | struct ulp_bde64 *bpl = NULL; | |
9257 | struct ulp_bde64 bde; | |
9258 | struct sli4_sge *sgl = NULL; | |
1b51197d | 9259 | struct lpfc_dmabuf *dmabuf; |
4f774513 JS |
9260 | IOCB_t *icmd; |
9261 | int numBdes = 0; | |
9262 | int i = 0; | |
63e801ce JS |
9263 | uint32_t offset = 0; /* accumulated offset in the sg request list */ |
9264 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
3772a991 | 9265 | |
4f774513 JS |
9266 | if (!piocbq || !sglq) |
9267 | return xritag; | |
9268 | ||
9269 | sgl = (struct sli4_sge *)sglq->sgl; | |
9270 | icmd = &piocbq->iocb; | |
6b5151fd JS |
9271 | if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) |
9272 | return sglq->sli4_xritag; | |
4f774513 JS |
9273 | if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { |
9274 | numBdes = icmd->un.genreq64.bdl.bdeSize / | |
9275 | sizeof(struct ulp_bde64); | |
9276 | /* The addrHigh and addrLow fields within the IOCB | |
9277 | * have not been byteswapped yet so there is no | |
9278 | * need to swap them back. | |
9279 | */ | |
1b51197d JS |
9280 | if (piocbq->context3) |
9281 | dmabuf = (struct lpfc_dmabuf *)piocbq->context3; | |
9282 | else | |
9283 | return xritag; | |
4f774513 | 9284 | |
1b51197d | 9285 | bpl = (struct ulp_bde64 *)dmabuf->virt; |
4f774513 JS |
9286 | if (!bpl) |
9287 | return xritag; | |
9288 | ||
9289 | for (i = 0; i < numBdes; i++) { | |
9290 | /* Should already be byte swapped. */ | |
28baac74 JS |
9291 | sgl->addr_hi = bpl->addrHigh; |
9292 | sgl->addr_lo = bpl->addrLow; | |
9293 | ||
0558056c | 9294 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
9295 | if ((i+1) == numBdes) |
9296 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
9297 | else | |
9298 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
28baac74 JS |
9299 | /* swap the size field back to the cpu so we |
9300 | * can assign it to the sgl. | |
9301 | */ | |
9302 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
9303 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
63e801ce JS |
9304 | /* The offsets in the sgl need to be accumulated |
9305 | * separately for the request and reply lists. | |
9306 | * The request is always first, the reply follows. | |
9307 | */ | |
9308 | if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { | |
9309 | /* add up the reply sg entries */ | |
9310 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
9311 | inbound++; | |
9312 | /* first inbound? reset the offset */ | |
9313 | if (inbound == 1) | |
9314 | offset = 0; | |
9315 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
f9bb2da1 JS |
9316 | bf_set(lpfc_sli4_sge_type, sgl, |
9317 | LPFC_SGE_TYPE_DATA); | |
63e801ce JS |
9318 | offset += bde.tus.f.bdeSize; |
9319 | } | |
546fc854 | 9320 | sgl->word2 = cpu_to_le32(sgl->word2); |
4f774513 JS |
9321 | bpl++; |
9322 | sgl++; | |
9323 | } | |
9324 | } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) { | |
9325 | /* The addrHigh and addrLow fields of the BDE have not | |
9326 | * been byteswapped yet so they need to be swapped | |
9327 | * before putting them in the sgl. | |
9328 | */ | |
9329 | sgl->addr_hi = | |
9330 | cpu_to_le32(icmd->un.genreq64.bdl.addrHigh); | |
9331 | sgl->addr_lo = | |
9332 | cpu_to_le32(icmd->un.genreq64.bdl.addrLow); | |
0558056c | 9333 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
9334 | bf_set(lpfc_sli4_sge_last, sgl, 1); |
9335 | sgl->word2 = cpu_to_le32(sgl->word2); | |
28baac74 JS |
9336 | sgl->sge_len = |
9337 | cpu_to_le32(icmd->un.genreq64.bdl.bdeSize); | |
4f774513 JS |
9338 | } |
9339 | return sglq->sli4_xritag; | |
3772a991 | 9340 | } |
92d7f7b0 | 9341 | |
e59058c4 | 9342 | /** |
4f774513 | 9343 | * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry. |
e59058c4 | 9344 | * @phba: Pointer to HBA context object. |
4f774513 JS |
9345 | * @piocb: Pointer to command iocb. |
9346 | * @wqe: Pointer to the work queue entry. | |
e59058c4 | 9347 | * |
4f774513 JS |
9348 | * This routine converts the iocb command to its Work Queue Entry |
9349 | * equivalent. The wqe pointer should not have any fields set when | |
9350 | * this routine is called because it will memcpy over them. | |
9351 | * This routine does not set the CQ_ID or the WQEC bits in the | |
9352 | * wqe. | |
e59058c4 | 9353 | * |
4f774513 | 9354 | * Returns: 0 = Success, IOCB_ERROR = Failure. |
e59058c4 | 9355 | **/ |
cf5bf97e | 9356 | static int |
4f774513 | 9357 | lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, |
205e8240 | 9358 | union lpfc_wqe128 *wqe) |
cf5bf97e | 9359 | { |
5ffc266e | 9360 | uint32_t xmit_len = 0, total_len = 0; |
4f774513 JS |
9361 | uint8_t ct = 0; |
9362 | uint32_t fip; | |
9363 | uint32_t abort_tag; | |
9364 | uint8_t command_type = ELS_COMMAND_NON_FIP; | |
9365 | uint8_t cmnd; | |
9366 | uint16_t xritag; | |
dcf2a4e0 JS |
9367 | uint16_t abrt_iotag; |
9368 | struct lpfc_iocbq *abrtiocbq; | |
4f774513 | 9369 | struct ulp_bde64 *bpl = NULL; |
f0d9bccc | 9370 | uint32_t els_id = LPFC_ELS_ID_DEFAULT; |
5ffc266e JS |
9371 | int numBdes, i; |
9372 | struct ulp_bde64 bde; | |
c31098ce | 9373 | struct lpfc_nodelist *ndlp; |
ff78d8f9 | 9374 | uint32_t *pcmd; |
1b51197d | 9375 | uint32_t if_type; |
4f774513 | 9376 | |
45ed1190 | 9377 | fip = phba->hba_flag & HBA_FIP_SUPPORT; |
4f774513 | 9378 | /* The fcp commands will set command type */ |
0c287589 | 9379 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
4f774513 | 9380 | command_type = FCP_COMMAND; |
c868595d | 9381 | else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)) |
0c287589 JS |
9382 | command_type = ELS_COMMAND_FIP; |
9383 | else | |
9384 | command_type = ELS_COMMAND_NON_FIP; | |
9385 | ||
b5c53958 JS |
9386 | if (phba->fcp_embed_io) |
9387 | memset(wqe, 0, sizeof(union lpfc_wqe128)); | |
4f774513 JS |
9388 | /* Some of the fields are in the right position already */ |
9389 | memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); | |
e62245d9 JS |
9390 | /* The ct field has moved so reset */ |
9391 | wqe->generic.wqe_com.word7 = 0; | |
9392 | wqe->generic.wqe_com.word10 = 0; | |
b5c53958 JS |
9393 | |
9394 | abort_tag = (uint32_t) iocbq->iotag; | |
9395 | xritag = iocbq->sli4_xritag; | |
4f774513 JS |
9396 | /* words0-2 bpl convert bde */ |
9397 | if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { | |
5ffc266e JS |
9398 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / |
9399 | sizeof(struct ulp_bde64); | |
4f774513 JS |
9400 | bpl = (struct ulp_bde64 *) |
9401 | ((struct lpfc_dmabuf *)iocbq->context3)->virt; | |
9402 | if (!bpl) | |
9403 | return IOCB_ERROR; | |
cf5bf97e | 9404 | |
4f774513 JS |
9405 | /* Should already be byte swapped. */ |
9406 | wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh); | |
9407 | wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow); | |
9408 | /* swap the size field back to the cpu so we | |
9409 | * can assign it to the sgl. | |
9410 | */ | |
9411 | wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w); | |
5ffc266e JS |
9412 | xmit_len = wqe->generic.bde.tus.f.bdeSize; |
9413 | total_len = 0; | |
9414 | for (i = 0; i < numBdes; i++) { | |
9415 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
9416 | total_len += bde.tus.f.bdeSize; | |
9417 | } | |
4f774513 | 9418 | } else |
5ffc266e | 9419 | xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize; |
cf5bf97e | 9420 | |
4f774513 JS |
9421 | iocbq->iocb.ulpIoTag = iocbq->iotag; |
9422 | cmnd = iocbq->iocb.ulpCommand; | |
a4bc3379 | 9423 | |
4f774513 JS |
9424 | switch (iocbq->iocb.ulpCommand) { |
9425 | case CMD_ELS_REQUEST64_CR: | |
93d1379e JS |
9426 | if (iocbq->iocb_flag & LPFC_IO_LIBDFC) |
9427 | ndlp = iocbq->context_un.ndlp; | |
9428 | else | |
9429 | ndlp = (struct lpfc_nodelist *)iocbq->context1; | |
4f774513 JS |
9430 | if (!iocbq->iocb.ulpLe) { |
9431 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9432 | "2007 Only Limited Edition cmd Format" | |
9433 | " supported 0x%x\n", | |
9434 | iocbq->iocb.ulpCommand); | |
9435 | return IOCB_ERROR; | |
9436 | } | |
ff78d8f9 | 9437 | |
5ffc266e | 9438 | wqe->els_req.payload_len = xmit_len; |
4f774513 JS |
9439 | /* Els_reguest64 has a TMO */ |
9440 | bf_set(wqe_tmo, &wqe->els_req.wqe_com, | |
9441 | iocbq->iocb.ulpTimeout); | |
9442 | /* Need a VF for word 4 set the vf bit*/ | |
9443 | bf_set(els_req64_vf, &wqe->els_req, 0); | |
9444 | /* And a VFID for word 12 */ | |
9445 | bf_set(els_req64_vfid, &wqe->els_req, 0); | |
4f774513 | 9446 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); |
f0d9bccc JS |
9447 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, |
9448 | iocbq->iocb.ulpContext); | |
9449 | bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); | |
9450 | bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); | |
4f774513 | 9451 | /* CCP CCPE PV PRI in word10 were set in the memcpy */ |
ff78d8f9 | 9452 | if (command_type == ELS_COMMAND_FIP) |
c868595d JS |
9453 | els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK) |
9454 | >> LPFC_FIP_ELS_ID_SHIFT); | |
ff78d8f9 JS |
9455 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9456 | iocbq->context2)->virt); | |
1b51197d JS |
9457 | if_type = bf_get(lpfc_sli_intf_if_type, |
9458 | &phba->sli4_hba.sli_intf); | |
27d6ac0a | 9459 | if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { |
ff78d8f9 | 9460 | if (pcmd && (*pcmd == ELS_CMD_FLOGI || |
cb69f7de | 9461 | *pcmd == ELS_CMD_SCR || |
f60cb93b | 9462 | *pcmd == ELS_CMD_RSCN_XMT || |
6b5151fd | 9463 | *pcmd == ELS_CMD_FDISC || |
bdcd2b92 | 9464 | *pcmd == ELS_CMD_LOGO || |
ff78d8f9 JS |
9465 | *pcmd == ELS_CMD_PLOGI)) { |
9466 | bf_set(els_req64_sp, &wqe->els_req, 1); | |
9467 | bf_set(els_req64_sid, &wqe->els_req, | |
9468 | iocbq->vport->fc_myDID); | |
939723a4 JS |
9469 | if ((*pcmd == ELS_CMD_FLOGI) && |
9470 | !(phba->fc_topology == | |
9471 | LPFC_TOPOLOGY_LOOP)) | |
9472 | bf_set(els_req64_sid, &wqe->els_req, 0); | |
ff78d8f9 JS |
9473 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); |
9474 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
a7dd9c0f | 9475 | phba->vpi_ids[iocbq->vport->vpi]); |
3ef6d24c | 9476 | } else if (pcmd && iocbq->context1) { |
ff78d8f9 JS |
9477 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); |
9478 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
9479 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
9480 | } | |
c868595d | 9481 | } |
6d368e53 JS |
9482 | bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, |
9483 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
f0d9bccc JS |
9484 | bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); |
9485 | bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); | |
9486 | bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); | |
9487 | bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); | |
9488 | bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9489 | bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); | |
af22741c | 9490 | wqe->els_req.max_response_payload_len = total_len - xmit_len; |
7851fe2c | 9491 | break; |
5ffc266e | 9492 | case CMD_XMIT_SEQUENCE64_CX: |
f0d9bccc JS |
9493 | bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, |
9494 | iocbq->iocb.un.ulpWord[3]); | |
9495 | bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, | |
7851fe2c | 9496 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
5ffc266e JS |
9497 | /* The entire sequence is transmitted for this IOCB */ |
9498 | xmit_len = total_len; | |
9499 | cmnd = CMD_XMIT_SEQUENCE64_CR; | |
1b51197d JS |
9500 | if (phba->link_flag & LS_LOOPBACK_MODE) |
9501 | bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); | |
5bd5f66c | 9502 | /* fall through */ |
4f774513 | 9503 | case CMD_XMIT_SEQUENCE64_CR: |
f0d9bccc JS |
9504 | /* word3 iocb=io_tag32 wqe=reserved */ |
9505 | wqe->xmit_sequence.rsvd3 = 0; | |
4f774513 JS |
9506 | /* word4 relative_offset memcpy */ |
9507 | /* word5 r_ctl/df_ctl memcpy */ | |
f0d9bccc JS |
9508 | bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); |
9509 | bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); | |
9510 | bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, | |
9511 | LPFC_WQE_IOD_WRITE); | |
9512 | bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, | |
9513 | LPFC_WQE_LENLOC_WORD12); | |
9514 | bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); | |
5ffc266e JS |
9515 | wqe->xmit_sequence.xmit_len = xmit_len; |
9516 | command_type = OTHER_COMMAND; | |
7851fe2c | 9517 | break; |
4f774513 | 9518 | case CMD_XMIT_BCAST64_CN: |
f0d9bccc JS |
9519 | /* word3 iocb=iotag32 wqe=seq_payload_len */ |
9520 | wqe->xmit_bcast64.seq_payload_len = xmit_len; | |
4f774513 JS |
9521 | /* word4 iocb=rsvd wqe=rsvd */ |
9522 | /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */ | |
9523 | /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */ | |
f0d9bccc | 9524 | bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com, |
4f774513 | 9525 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
f0d9bccc JS |
9526 | bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1); |
9527 | bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE); | |
9528 | bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, | |
9529 | LPFC_WQE_LENLOC_WORD3); | |
9530 | bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); | |
7851fe2c | 9531 | break; |
4f774513 JS |
9532 | case CMD_FCP_IWRITE64_CR: |
9533 | command_type = FCP_COMMAND_DATA_OUT; | |
f0d9bccc JS |
9534 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9535 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
9536 | bf_set(payload_offset_len, &wqe->fcp_iwrite, |
9537 | xmit_len + sizeof(struct fcp_rsp)); | |
9538 | bf_set(cmd_buff_len, &wqe->fcp_iwrite, | |
9539 | 0); | |
f0d9bccc JS |
9540 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
9541 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
9542 | bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com, | |
9543 | iocbq->iocb.ulpFCP2Rcvy); | |
9544 | bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); | |
9545 | /* Always open the exchange */ | |
f0d9bccc JS |
9546 | bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); |
9547 | bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, | |
9548 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 9549 | bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 9550 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); |
1ba981fd JS |
9551 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9552 | bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1); | |
c92c841c JS |
9553 | bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); |
9554 | if (iocbq->priority) { | |
9555 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, | |
9556 | (iocbq->priority << 1)); | |
9557 | } else { | |
1ba981fd JS |
9558 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, |
9559 | (phba->cfg_XLanePriority << 1)); | |
9560 | } | |
9561 | } | |
b5c53958 JS |
9562 | /* Note, word 10 is already initialized to 0 */ |
9563 | ||
414abe0a JS |
9564 | /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ |
9565 | if (phba->cfg_enable_pbde) | |
0bc2b7c5 JS |
9566 | bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 1); |
9567 | else | |
9568 | bf_set(wqe_pbde, &wqe->fcp_iwrite.wqe_com, 0); | |
9569 | ||
b5c53958 | 9570 | if (phba->fcp_embed_io) { |
c490850a | 9571 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9572 | struct sli4_sge *sgl; |
b5c53958 JS |
9573 | struct fcp_cmnd *fcp_cmnd; |
9574 | uint32_t *ptr; | |
9575 | ||
9576 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9577 | |
9578 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9579 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9580 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9581 | ||
9582 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9583 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9584 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9585 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9586 | wqe->generic.bde.addrHigh = 0; | |
9587 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9588 | |
205e8240 JS |
9589 | bf_set(wqe_wqes, &wqe->fcp_iwrite.wqe_com, 1); |
9590 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 0); | |
b5c53958 JS |
9591 | |
9592 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9593 | ptr = &wqe->words[22]; |
b5c53958 JS |
9594 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9595 | } | |
7851fe2c | 9596 | break; |
4f774513 | 9597 | case CMD_FCP_IREAD64_CR: |
f0d9bccc JS |
9598 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9599 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
9600 | bf_set(payload_offset_len, &wqe->fcp_iread, |
9601 | xmit_len + sizeof(struct fcp_rsp)); | |
9602 | bf_set(cmd_buff_len, &wqe->fcp_iread, | |
9603 | 0); | |
f0d9bccc JS |
9604 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
9605 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
9606 | bf_set(wqe_erp, &wqe->fcp_iread.wqe_com, | |
9607 | iocbq->iocb.ulpFCP2Rcvy); | |
9608 | bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); | |
f1126688 | 9609 | /* Always open the exchange */ |
f0d9bccc JS |
9610 | bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); |
9611 | bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, | |
9612 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 9613 | bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 9614 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); |
1ba981fd JS |
9615 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9616 | bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1); | |
c92c841c JS |
9617 | bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1); |
9618 | if (iocbq->priority) { | |
9619 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, | |
9620 | (iocbq->priority << 1)); | |
9621 | } else { | |
1ba981fd JS |
9622 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, |
9623 | (phba->cfg_XLanePriority << 1)); | |
9624 | } | |
9625 | } | |
b5c53958 JS |
9626 | /* Note, word 10 is already initialized to 0 */ |
9627 | ||
414abe0a JS |
9628 | /* Don't set PBDE for Perf hints, just lpfc_enable_pbde */ |
9629 | if (phba->cfg_enable_pbde) | |
0bc2b7c5 JS |
9630 | bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 1); |
9631 | else | |
9632 | bf_set(wqe_pbde, &wqe->fcp_iread.wqe_com, 0); | |
9633 | ||
b5c53958 | 9634 | if (phba->fcp_embed_io) { |
c490850a | 9635 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9636 | struct sli4_sge *sgl; |
b5c53958 JS |
9637 | struct fcp_cmnd *fcp_cmnd; |
9638 | uint32_t *ptr; | |
9639 | ||
9640 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9641 | |
9642 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9643 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9644 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9645 | ||
9646 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9647 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9648 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9649 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9650 | wqe->generic.bde.addrHigh = 0; | |
9651 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9652 | |
205e8240 JS |
9653 | bf_set(wqe_wqes, &wqe->fcp_iread.wqe_com, 1); |
9654 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 0); | |
b5c53958 JS |
9655 | |
9656 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9657 | ptr = &wqe->words[22]; |
b5c53958 JS |
9658 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9659 | } | |
7851fe2c | 9660 | break; |
4f774513 | 9661 | case CMD_FCP_ICMND64_CR: |
0ba4b219 JS |
9662 | /* word3 iocb=iotag wqe=payload_offset_len */ |
9663 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
9664 | bf_set(payload_offset_len, &wqe->fcp_icmd, | |
9665 | xmit_len + sizeof(struct fcp_rsp)); | |
9666 | bf_set(cmd_buff_len, &wqe->fcp_icmd, | |
9667 | 0); | |
f0d9bccc | 9668 | /* word3 iocb=IO_TAG wqe=reserved */ |
f0d9bccc | 9669 | bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0); |
4f774513 | 9670 | /* Always open the exchange */ |
f0d9bccc JS |
9671 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1); |
9672 | bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE); | |
9673 | bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1); | |
9674 | bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, | |
9675 | LPFC_WQE_LENLOC_NONE); | |
2a94aea4 JS |
9676 | bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, |
9677 | iocbq->iocb.ulpFCP2Rcvy); | |
1ba981fd JS |
9678 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
9679 | bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1); | |
c92c841c JS |
9680 | bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1); |
9681 | if (iocbq->priority) { | |
9682 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, | |
9683 | (iocbq->priority << 1)); | |
9684 | } else { | |
1ba981fd JS |
9685 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, |
9686 | (phba->cfg_XLanePriority << 1)); | |
9687 | } | |
9688 | } | |
b5c53958 JS |
9689 | /* Note, word 10 is already initialized to 0 */ |
9690 | ||
9691 | if (phba->fcp_embed_io) { | |
c490850a | 9692 | struct lpfc_io_buf *lpfc_cmd; |
b5c53958 | 9693 | struct sli4_sge *sgl; |
b5c53958 JS |
9694 | struct fcp_cmnd *fcp_cmnd; |
9695 | uint32_t *ptr; | |
9696 | ||
9697 | /* 128 byte wqe support here */ | |
b5c53958 JS |
9698 | |
9699 | lpfc_cmd = iocbq->context1; | |
0794d601 | 9700 | sgl = (struct sli4_sge *)lpfc_cmd->dma_sgl; |
b5c53958 JS |
9701 | fcp_cmnd = lpfc_cmd->fcp_cmnd; |
9702 | ||
9703 | /* Word 0-2 - FCP_CMND */ | |
205e8240 | 9704 | wqe->generic.bde.tus.f.bdeFlags = |
b5c53958 | 9705 | BUFF_TYPE_BDE_IMMED; |
205e8240 JS |
9706 | wqe->generic.bde.tus.f.bdeSize = sgl->sge_len; |
9707 | wqe->generic.bde.addrHigh = 0; | |
9708 | wqe->generic.bde.addrLow = 88; /* Word 22 */ | |
b5c53958 | 9709 | |
205e8240 JS |
9710 | bf_set(wqe_wqes, &wqe->fcp_icmd.wqe_com, 1); |
9711 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 0); | |
b5c53958 JS |
9712 | |
9713 | /* Word 22-29 FCP CMND Payload */ | |
205e8240 | 9714 | ptr = &wqe->words[22]; |
b5c53958 JS |
9715 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); |
9716 | } | |
7851fe2c | 9717 | break; |
4f774513 | 9718 | case CMD_GEN_REQUEST64_CR: |
63e801ce JS |
9719 | /* For this command calculate the xmit length of the |
9720 | * request bde. | |
9721 | */ | |
9722 | xmit_len = 0; | |
9723 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / | |
9724 | sizeof(struct ulp_bde64); | |
9725 | for (i = 0; i < numBdes; i++) { | |
63e801ce | 9726 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); |
546fc854 JS |
9727 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) |
9728 | break; | |
63e801ce JS |
9729 | xmit_len += bde.tus.f.bdeSize; |
9730 | } | |
f0d9bccc JS |
9731 | /* word3 iocb=IO_TAG wqe=request_payload_len */ |
9732 | wqe->gen_req.request_payload_len = xmit_len; | |
9733 | /* word4 iocb=parameter wqe=relative_offset memcpy */ | |
9734 | /* word5 [rctl, type, df_ctl, la] copied in memcpy */ | |
4f774513 JS |
9735 | /* word6 context tag copied in memcpy */ |
9736 | if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) { | |
9737 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); | |
9738 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9739 | "2015 Invalid CT %x command 0x%x\n", | |
9740 | ct, iocbq->iocb.ulpCommand); | |
9741 | return IOCB_ERROR; | |
9742 | } | |
f0d9bccc JS |
9743 | bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0); |
9744 | bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout); | |
9745 | bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU); | |
9746 | bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); | |
9747 | bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); | |
9748 | bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); | |
9749 | bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9750 | bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); | |
af22741c | 9751 | wqe->gen_req.max_response_payload_len = total_len - xmit_len; |
4f774513 | 9752 | command_type = OTHER_COMMAND; |
7851fe2c | 9753 | break; |
4f774513 | 9754 | case CMD_XMIT_ELS_RSP64_CX: |
c31098ce | 9755 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
4f774513 | 9756 | /* words0-2 BDE memcpy */ |
f0d9bccc JS |
9757 | /* word3 iocb=iotag32 wqe=response_payload_len */ |
9758 | wqe->xmit_els_rsp.response_payload_len = xmit_len; | |
939723a4 JS |
9759 | /* word4 */ |
9760 | wqe->xmit_els_rsp.word4 = 0; | |
4f774513 JS |
9761 | /* word5 iocb=rsvd wge=did */ |
9762 | bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, | |
939723a4 JS |
9763 | iocbq->iocb.un.xseq64.xmit_els_remoteID); |
9764 | ||
9765 | if_type = bf_get(lpfc_sli_intf_if_type, | |
9766 | &phba->sli4_hba.sli_intf); | |
27d6ac0a | 9767 | if (if_type >= LPFC_SLI_INTF_IF_TYPE_2) { |
939723a4 JS |
9768 | if (iocbq->vport->fc_flag & FC_PT2PT) { |
9769 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); | |
9770 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
9771 | iocbq->vport->fc_myDID); | |
9772 | if (iocbq->vport->fc_myDID == Fabric_DID) { | |
9773 | bf_set(wqe_els_did, | |
9774 | &wqe->xmit_els_rsp.wqe_dest, 0); | |
9775 | } | |
9776 | } | |
9777 | } | |
f0d9bccc JS |
9778 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, |
9779 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); | |
9780 | bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); | |
9781 | bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, | |
7851fe2c | 9782 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
4f774513 | 9783 | if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) |
f0d9bccc | 9784 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, |
6d368e53 | 9785 | phba->vpi_ids[iocbq->vport->vpi]); |
f0d9bccc JS |
9786 | bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); |
9787 | bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); | |
9788 | bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); | |
9789 | bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, | |
9790 | LPFC_WQE_LENLOC_WORD3); | |
9791 | bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); | |
6d368e53 JS |
9792 | bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, |
9793 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
ff78d8f9 JS |
9794 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9795 | iocbq->context2)->virt); | |
9796 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
939723a4 JS |
9797 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); |
9798 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
ff78d8f9 | 9799 | iocbq->vport->fc_myDID); |
939723a4 JS |
9800 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1); |
9801 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, | |
ff78d8f9 JS |
9802 | phba->vpi_ids[phba->pport->vpi]); |
9803 | } | |
4f774513 | 9804 | command_type = OTHER_COMMAND; |
7851fe2c | 9805 | break; |
4f774513 JS |
9806 | case CMD_CLOSE_XRI_CN: |
9807 | case CMD_ABORT_XRI_CN: | |
9808 | case CMD_ABORT_XRI_CX: | |
9809 | /* words 0-2 memcpy should be 0 rserved */ | |
9810 | /* port will send abts */ | |
dcf2a4e0 JS |
9811 | abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; |
9812 | if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { | |
9813 | abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; | |
9814 | fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK; | |
9815 | } else | |
9816 | fip = 0; | |
9817 | ||
9818 | if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip) | |
4f774513 | 9819 | /* |
dcf2a4e0 JS |
9820 | * The link is down, or the command was ELS_FIP |
9821 | * so the fw does not need to send abts | |
4f774513 JS |
9822 | * on the wire. |
9823 | */ | |
9824 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); | |
9825 | else | |
9826 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); | |
9827 | bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); | |
f0d9bccc JS |
9828 | /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */ |
9829 | wqe->abort_cmd.rsrvd5 = 0; | |
9830 | bf_set(wqe_ct, &wqe->abort_cmd.wqe_com, | |
4f774513 JS |
9831 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
9832 | abort_tag = iocbq->iocb.un.acxri.abortIoTag; | |
4f774513 JS |
9833 | /* |
9834 | * The abort handler will send us CMD_ABORT_XRI_CN or | |
9835 | * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX | |
9836 | */ | |
f0d9bccc JS |
9837 | bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); |
9838 | bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); | |
9839 | bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com, | |
9840 | LPFC_WQE_LENLOC_NONE); | |
4f774513 JS |
9841 | cmnd = CMD_ABORT_XRI_CX; |
9842 | command_type = OTHER_COMMAND; | |
9843 | xritag = 0; | |
7851fe2c | 9844 | break; |
6669f9bb | 9845 | case CMD_XMIT_BLS_RSP64_CX: |
6b5151fd | 9846 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
546fc854 | 9847 | /* As BLS ABTS RSP WQE is very different from other WQEs, |
6669f9bb JS |
9848 | * we re-construct this WQE here based on information in |
9849 | * iocbq from scratch. | |
9850 | */ | |
d9f492a1 | 9851 | memset(wqe, 0, sizeof(*wqe)); |
5ffc266e | 9852 | /* OX_ID is invariable to who sent ABTS to CT exchange */ |
6669f9bb | 9853 | bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp, |
546fc854 JS |
9854 | bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp)); |
9855 | if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) == | |
5ffc266e JS |
9856 | LPFC_ABTS_UNSOL_INT) { |
9857 | /* ABTS sent by initiator to CT exchange, the | |
9858 | * RX_ID field will be filled with the newly | |
9859 | * allocated responder XRI. | |
9860 | */ | |
9861 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
9862 | iocbq->sli4_xritag); | |
9863 | } else { | |
9864 | /* ABTS sent by responder to CT exchange, the | |
9865 | * RX_ID field will be filled with the responder | |
9866 | * RX_ID from ABTS. | |
9867 | */ | |
9868 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
546fc854 | 9869 | bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp)); |
5ffc266e | 9870 | } |
6669f9bb JS |
9871 | bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); |
9872 | bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); | |
6b5151fd JS |
9873 | |
9874 | /* Use CT=VPI */ | |
9875 | bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, | |
9876 | ndlp->nlp_DID); | |
9877 | bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, | |
9878 | iocbq->iocb.ulpContext); | |
9879 | bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); | |
6669f9bb | 9880 | bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, |
6b5151fd | 9881 | phba->vpi_ids[phba->pport->vpi]); |
f0d9bccc JS |
9882 | bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); |
9883 | bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, | |
9884 | LPFC_WQE_LENLOC_NONE); | |
6669f9bb JS |
9885 | /* Overwrite the pre-set comnd type with OTHER_COMMAND */ |
9886 | command_type = OTHER_COMMAND; | |
546fc854 JS |
9887 | if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) { |
9888 | bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp, | |
9889 | bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp)); | |
9890 | bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp, | |
9891 | bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp)); | |
9892 | bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp, | |
9893 | bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); | |
9894 | } | |
9895 | ||
7851fe2c | 9896 | break; |
ae9e28f3 | 9897 | case CMD_SEND_FRAME: |
e62245d9 JS |
9898 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, CMD_SEND_FRAME); |
9899 | bf_set(wqe_sof, &wqe->generic.wqe_com, 0x2E); /* SOF byte */ | |
9900 | bf_set(wqe_eof, &wqe->generic.wqe_com, 0x41); /* EOF byte */ | |
9901 | bf_set(wqe_lenloc, &wqe->generic.wqe_com, 1); | |
9902 | bf_set(wqe_xbl, &wqe->generic.wqe_com, 1); | |
9903 | bf_set(wqe_dbde, &wqe->generic.wqe_com, 1); | |
9904 | bf_set(wqe_xc, &wqe->generic.wqe_com, 1); | |
9905 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, 0xA); | |
9906 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
ae9e28f3 JS |
9907 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
9908 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9909 | return 0; | |
4f774513 JS |
9910 | case CMD_XRI_ABORTED_CX: |
9911 | case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ | |
4f774513 JS |
9912 | case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ |
9913 | case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */ | |
9914 | case CMD_FCP_TRSP64_CX: /* Target mode rcv */ | |
9915 | case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */ | |
9916 | default: | |
9917 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9918 | "2014 Invalid command 0x%x\n", | |
9919 | iocbq->iocb.ulpCommand); | |
9920 | return IOCB_ERROR; | |
7851fe2c | 9921 | break; |
4f774513 | 9922 | } |
6d368e53 | 9923 | |
8012cc38 JS |
9924 | if (iocbq->iocb_flag & LPFC_IO_DIF_PASS) |
9925 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); | |
9926 | else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP) | |
9927 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); | |
9928 | else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT) | |
9929 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); | |
9930 | iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | | |
9931 | LPFC_IO_DIF_INSERT); | |
f0d9bccc JS |
9932 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
9933 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9934 | wqe->generic.wqe_com.abort_tag = abort_tag; | |
9935 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); | |
9936 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd); | |
9937 | bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass); | |
9938 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
4f774513 JS |
9939 | return 0; |
9940 | } | |
9941 | ||
9942 | /** | |
9943 | * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb | |
9944 | * @phba: Pointer to HBA context object. | |
9945 | * @ring_number: SLI ring number to issue iocb on. | |
9946 | * @piocb: Pointer to command iocb. | |
9947 | * @flag: Flag indicating if this command can be put into txq. | |
9948 | * | |
9949 | * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue | |
9950 | * an iocb command to an HBA with SLI-4 interface spec. | |
9951 | * | |
27f3efd6 | 9952 | * This function is called with ringlock held. The function will return success |
4f774513 JS |
9953 | * after it successfully submit the iocb to firmware or after adding to the |
9954 | * txq. | |
9955 | **/ | |
9956 | static int | |
9957 | __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, | |
9958 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9959 | { | |
9960 | struct lpfc_sglq *sglq; | |
205e8240 | 9961 | union lpfc_wqe128 wqe; |
1ba981fd | 9962 | struct lpfc_queue *wq; |
895427bd | 9963 | struct lpfc_sli_ring *pring; |
4f774513 | 9964 | |
895427bd JS |
9965 | /* Get the WQ */ |
9966 | if ((piocb->iocb_flag & LPFC_IO_FCP) || | |
9967 | (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
c00f62e6 | 9968 | wq = phba->sli4_hba.hdwq[piocb->hba_wqidx].io_wq; |
895427bd JS |
9969 | } else { |
9970 | wq = phba->sli4_hba.els_wq; | |
9971 | } | |
9972 | ||
9973 | /* Get corresponding ring */ | |
9974 | pring = wq->pring; | |
1c2ba475 | 9975 | |
b5c53958 JS |
9976 | /* |
9977 | * The WQE can be either 64 or 128 bytes, | |
b5c53958 | 9978 | */ |
b5c53958 | 9979 | |
cda7fa18 | 9980 | lockdep_assert_held(&pring->ring_lock); |
895427bd | 9981 | |
4f774513 JS |
9982 | if (piocb->sli4_xritag == NO_XRI) { |
9983 | if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
6b5151fd | 9984 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
4f774513 JS |
9985 | sglq = NULL; |
9986 | else { | |
0e9bb8d7 | 9987 | if (!list_empty(&pring->txq)) { |
2a9bf3d0 JS |
9988 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
9989 | __lpfc_sli_ringtx_put(phba, | |
9990 | pring, piocb); | |
9991 | return IOCB_SUCCESS; | |
9992 | } else { | |
9993 | return IOCB_BUSY; | |
9994 | } | |
9995 | } else { | |
895427bd | 9996 | sglq = __lpfc_sli_get_els_sglq(phba, piocb); |
2a9bf3d0 JS |
9997 | if (!sglq) { |
9998 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
9999 | __lpfc_sli_ringtx_put(phba, | |
10000 | pring, | |
10001 | piocb); | |
10002 | return IOCB_SUCCESS; | |
10003 | } else | |
10004 | return IOCB_BUSY; | |
10005 | } | |
10006 | } | |
4f774513 | 10007 | } |
2ea259ee | 10008 | } else if (piocb->iocb_flag & LPFC_IO_FCP) |
6d368e53 JS |
10009 | /* These IO's already have an XRI and a mapped sgl. */ |
10010 | sglq = NULL; | |
2ea259ee | 10011 | else { |
6d368e53 JS |
10012 | /* |
10013 | * This is a continuation of a commandi,(CX) so this | |
4f774513 JS |
10014 | * sglq is on the active list |
10015 | */ | |
edccdc17 | 10016 | sglq = __lpfc_get_active_sglq(phba, piocb->sli4_lxritag); |
4f774513 JS |
10017 | if (!sglq) |
10018 | return IOCB_ERROR; | |
10019 | } | |
10020 | ||
10021 | if (sglq) { | |
6d368e53 | 10022 | piocb->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 | 10023 | piocb->sli4_xritag = sglq->sli4_xritag; |
2a9bf3d0 | 10024 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq)) |
4f774513 JS |
10025 | return IOCB_ERROR; |
10026 | } | |
10027 | ||
205e8240 | 10028 | if (lpfc_sli4_iocb2wqe(phba, piocb, &wqe)) |
4f774513 JS |
10029 | return IOCB_ERROR; |
10030 | ||
205e8240 | 10031 | if (lpfc_sli4_wq_put(wq, &wqe)) |
895427bd | 10032 | return IOCB_ERROR; |
4f774513 JS |
10033 | lpfc_sli_ringtxcmpl_put(phba, pring, piocb); |
10034 | ||
10035 | return 0; | |
10036 | } | |
10037 | ||
10038 | /** | |
10039 | * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb | |
10040 | * | |
10041 | * This routine wraps the actual lockless version for issusing IOCB function | |
10042 | * pointer from the lpfc_hba struct. | |
10043 | * | |
10044 | * Return codes: | |
b5c53958 JS |
10045 | * IOCB_ERROR - Error |
10046 | * IOCB_SUCCESS - Success | |
10047 | * IOCB_BUSY - Busy | |
4f774513 | 10048 | **/ |
2a9bf3d0 | 10049 | int |
4f774513 JS |
10050 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, |
10051 | struct lpfc_iocbq *piocb, uint32_t flag) | |
10052 | { | |
10053 | return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10054 | } | |
10055 | ||
10056 | /** | |
25985edc | 10057 | * lpfc_sli_api_table_setup - Set up sli api function jump table |
4f774513 JS |
10058 | * @phba: The hba struct for which this call is being executed. |
10059 | * @dev_grp: The HBA PCI-Device group number. | |
10060 | * | |
10061 | * This routine sets up the SLI interface API function jump table in @phba | |
10062 | * struct. | |
10063 | * Returns: 0 - success, -ENODEV - failure. | |
10064 | **/ | |
10065 | int | |
10066 | lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
10067 | { | |
10068 | ||
10069 | switch (dev_grp) { | |
10070 | case LPFC_PCI_DEV_LP: | |
10071 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3; | |
10072 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; | |
10073 | break; | |
10074 | case LPFC_PCI_DEV_OC: | |
10075 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; | |
10076 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; | |
10077 | break; | |
10078 | default: | |
10079 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
10080 | "1419 Invalid HBA PCI-device group: 0x%x\n", | |
10081 | dev_grp); | |
10082 | return -ENODEV; | |
10083 | break; | |
10084 | } | |
10085 | phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq; | |
10086 | return 0; | |
10087 | } | |
10088 | ||
a1efe163 | 10089 | /** |
895427bd | 10090 | * lpfc_sli4_calc_ring - Calculates which ring to use |
a1efe163 | 10091 | * @phba: Pointer to HBA context object. |
a1efe163 JS |
10092 | * @piocb: Pointer to command iocb. |
10093 | * | |
895427bd JS |
10094 | * For SLI4 only, FCP IO can deferred to one fo many WQs, based on |
10095 | * hba_wqidx, thus we need to calculate the corresponding ring. | |
a1efe163 | 10096 | * Since ABORTS must go on the same WQ of the command they are |
895427bd | 10097 | * aborting, we use command's hba_wqidx. |
a1efe163 | 10098 | */ |
895427bd JS |
10099 | struct lpfc_sli_ring * |
10100 | lpfc_sli4_calc_ring(struct lpfc_hba *phba, struct lpfc_iocbq *piocb) | |
9bd2bff5 | 10101 | { |
c490850a | 10102 | struct lpfc_io_buf *lpfc_cmd; |
5e5b511d | 10103 | |
895427bd | 10104 | if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) { |
cdb42bec | 10105 | if (unlikely(!phba->sli4_hba.hdwq)) |
7370d10a JS |
10106 | return NULL; |
10107 | /* | |
10108 | * for abort iocb hba_wqidx should already | |
10109 | * be setup based on what work queue we used. | |
10110 | */ | |
10111 | if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
c490850a | 10112 | lpfc_cmd = (struct lpfc_io_buf *)piocb->context1; |
1fbf9742 | 10113 | piocb->hba_wqidx = lpfc_cmd->hdwq_no; |
9bd2bff5 | 10114 | } |
c00f62e6 | 10115 | return phba->sli4_hba.hdwq[piocb->hba_wqidx].io_wq->pring; |
895427bd JS |
10116 | } else { |
10117 | if (unlikely(!phba->sli4_hba.els_wq)) | |
10118 | return NULL; | |
10119 | piocb->hba_wqidx = 0; | |
10120 | return phba->sli4_hba.els_wq->pring; | |
9bd2bff5 | 10121 | } |
9bd2bff5 JS |
10122 | } |
10123 | ||
4f774513 JS |
10124 | /** |
10125 | * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb | |
10126 | * @phba: Pointer to HBA context object. | |
10127 | * @pring: Pointer to driver SLI ring object. | |
10128 | * @piocb: Pointer to command iocb. | |
10129 | * @flag: Flag indicating if this command can be put into txq. | |
10130 | * | |
10131 | * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb | |
10132 | * function. This function gets the hbalock and calls | |
10133 | * __lpfc_sli_issue_iocb function and will return the error returned | |
10134 | * by __lpfc_sli_issue_iocb function. This wrapper is used by | |
10135 | * functions which do not hold hbalock. | |
10136 | **/ | |
10137 | int | |
10138 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, | |
10139 | struct lpfc_iocbq *piocb, uint32_t flag) | |
10140 | { | |
2a76a283 | 10141 | struct lpfc_sli_ring *pring; |
93a4d6f4 | 10142 | struct lpfc_queue *eq; |
4f774513 | 10143 | unsigned long iflags; |
6a828b0f | 10144 | int rc; |
4f774513 | 10145 | |
7e56aa25 | 10146 | if (phba->sli_rev == LPFC_SLI_REV4) { |
93a4d6f4 JS |
10147 | eq = phba->sli4_hba.hdwq[piocb->hba_wqidx].hba_eq; |
10148 | ||
895427bd JS |
10149 | pring = lpfc_sli4_calc_ring(phba, piocb); |
10150 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 10151 | return IOCB_ERROR; |
ba20c853 | 10152 | |
9bd2bff5 JS |
10153 | spin_lock_irqsave(&pring->ring_lock, iflags); |
10154 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10155 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
10156 | |
10157 | lpfc_sli4_poll_eq(eq, LPFC_POLL_FASTPATH); | |
7e56aa25 JS |
10158 | } else { |
10159 | /* For now, SLI2/3 will still use hbalock */ | |
10160 | spin_lock_irqsave(&phba->hbalock, iflags); | |
10161 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
10162 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
10163 | } | |
4f774513 JS |
10164 | return rc; |
10165 | } | |
10166 | ||
10167 | /** | |
10168 | * lpfc_extra_ring_setup - Extra ring setup function | |
10169 | * @phba: Pointer to HBA context object. | |
10170 | * | |
10171 | * This function is called while driver attaches with the | |
10172 | * HBA to setup the extra ring. The extra ring is used | |
10173 | * only when driver needs to support target mode functionality | |
10174 | * or IP over FC functionalities. | |
10175 | * | |
895427bd | 10176 | * This function is called with no lock held. SLI3 only. |
4f774513 JS |
10177 | **/ |
10178 | static int | |
10179 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
10180 | { | |
10181 | struct lpfc_sli *psli; | |
10182 | struct lpfc_sli_ring *pring; | |
10183 | ||
10184 | psli = &phba->sli; | |
10185 | ||
10186 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
10187 | ||
10188 | /* Take some away from the FCP ring */ | |
895427bd | 10189 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
7e56aa25 JS |
10190 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
10191 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10192 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10193 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e | 10194 | |
a4bc3379 | 10195 | /* and give them to the extra ring */ |
895427bd | 10196 | pring = &psli->sli3_ring[LPFC_EXTRA_RING]; |
a4bc3379 | 10197 | |
7e56aa25 JS |
10198 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
10199 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10200 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10201 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e JW |
10202 | |
10203 | /* Setup default profile for this ring */ | |
10204 | pring->iotag_max = 4096; | |
10205 | pring->num_mask = 1; | |
10206 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
10207 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
10208 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
10209 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
10210 | return 0; | |
10211 | } | |
10212 | ||
cb69f7de JS |
10213 | /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port. |
10214 | * @phba: Pointer to HBA context object. | |
10215 | * @iocbq: Pointer to iocb object. | |
10216 | * | |
10217 | * The async_event handler calls this routine when it receives | |
10218 | * an ASYNC_STATUS_CN event from the port. The port generates | |
10219 | * this event when an Abort Sequence request to an rport fails | |
10220 | * twice in succession. The abort could be originated by the | |
10221 | * driver or by the port. The ABTS could have been for an ELS | |
10222 | * or FCP IO. The port only generates this event when an ABTS | |
10223 | * fails to complete after one retry. | |
10224 | */ | |
10225 | static void | |
10226 | lpfc_sli_abts_err_handler(struct lpfc_hba *phba, | |
10227 | struct lpfc_iocbq *iocbq) | |
10228 | { | |
10229 | struct lpfc_nodelist *ndlp = NULL; | |
10230 | uint16_t rpi = 0, vpi = 0; | |
10231 | struct lpfc_vport *vport = NULL; | |
10232 | ||
10233 | /* The rpi in the ulpContext is vport-sensitive. */ | |
10234 | vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag; | |
10235 | rpi = iocbq->iocb.ulpContext; | |
10236 | ||
10237 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
10238 | "3092 Port generated ABTS async event " | |
10239 | "on vpi %d rpi %d status 0x%x\n", | |
10240 | vpi, rpi, iocbq->iocb.ulpStatus); | |
10241 | ||
10242 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
10243 | if (!vport) | |
10244 | goto err_exit; | |
10245 | ndlp = lpfc_findnode_rpi(vport, rpi); | |
10246 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
10247 | goto err_exit; | |
10248 | ||
10249 | if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT) | |
10250 | lpfc_sli_abts_recover_port(vport, ndlp); | |
10251 | return; | |
10252 | ||
10253 | err_exit: | |
10254 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
10255 | "3095 Event Context not found, no " | |
10256 | "action on vpi %d rpi %d status 0x%x, reason 0x%x\n", | |
10257 | iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus, | |
10258 | vpi, rpi); | |
10259 | } | |
10260 | ||
10261 | /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port. | |
10262 | * @phba: pointer to HBA context object. | |
10263 | * @ndlp: nodelist pointer for the impacted rport. | |
10264 | * @axri: pointer to the wcqe containing the failed exchange. | |
10265 | * | |
10266 | * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the | |
10267 | * port. The port generates this event when an abort exchange request to an | |
10268 | * rport fails twice in succession with no reply. The abort could be originated | |
10269 | * by the driver or by the port. The ABTS could have been for an ELS or FCP IO. | |
10270 | */ | |
10271 | void | |
10272 | lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, | |
10273 | struct lpfc_nodelist *ndlp, | |
10274 | struct sli4_wcqe_xri_aborted *axri) | |
10275 | { | |
10276 | struct lpfc_vport *vport; | |
5c1db2ac | 10277 | uint32_t ext_status = 0; |
cb69f7de | 10278 | |
6b5151fd | 10279 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
cb69f7de JS |
10280 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
10281 | "3115 Node Context not found, driver " | |
10282 | "ignoring abts err event\n"); | |
6b5151fd JS |
10283 | return; |
10284 | } | |
10285 | ||
cb69f7de JS |
10286 | vport = ndlp->vport; |
10287 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
10288 | "3116 Port generated FCP XRI ABORT event on " | |
5c1db2ac | 10289 | "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", |
8e668af5 | 10290 | ndlp->vport->vpi, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], |
cb69f7de | 10291 | bf_get(lpfc_wcqe_xa_xri, axri), |
5c1db2ac JS |
10292 | bf_get(lpfc_wcqe_xa_status, axri), |
10293 | axri->parameter); | |
cb69f7de | 10294 | |
5c1db2ac JS |
10295 | /* |
10296 | * Catch the ABTS protocol failure case. Older OCe FW releases returned | |
10297 | * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and | |
10298 | * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. | |
10299 | */ | |
e3d2b802 | 10300 | ext_status = axri->parameter & IOERR_PARAM_MASK; |
5c1db2ac JS |
10301 | if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && |
10302 | ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) | |
cb69f7de JS |
10303 | lpfc_sli_abts_recover_port(vport, ndlp); |
10304 | } | |
10305 | ||
e59058c4 | 10306 | /** |
3621a710 | 10307 | * lpfc_sli_async_event_handler - ASYNC iocb handler function |
e59058c4 JS |
10308 | * @phba: Pointer to HBA context object. |
10309 | * @pring: Pointer to driver SLI ring object. | |
10310 | * @iocbq: Pointer to iocb object. | |
10311 | * | |
10312 | * This function is called by the slow ring event handler | |
10313 | * function when there is an ASYNC event iocb in the ring. | |
10314 | * This function is called with no lock held. | |
10315 | * Currently this function handles only temperature related | |
10316 | * ASYNC events. The function decodes the temperature sensor | |
10317 | * event message and posts events for the management applications. | |
10318 | **/ | |
98c9ea5c | 10319 | static void |
57127f15 JS |
10320 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
10321 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
10322 | { | |
10323 | IOCB_t *icmd; | |
10324 | uint16_t evt_code; | |
57127f15 JS |
10325 | struct temp_event temp_event_data; |
10326 | struct Scsi_Host *shost; | |
a257bf90 | 10327 | uint32_t *iocb_w; |
57127f15 JS |
10328 | |
10329 | icmd = &iocbq->iocb; | |
10330 | evt_code = icmd->un.asyncstat.evt_code; | |
57127f15 | 10331 | |
cb69f7de JS |
10332 | switch (evt_code) { |
10333 | case ASYNC_TEMP_WARN: | |
10334 | case ASYNC_TEMP_SAFE: | |
10335 | temp_event_data.data = (uint32_t) icmd->ulpContext; | |
10336 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
10337 | if (evt_code == ASYNC_TEMP_WARN) { | |
10338 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
10339 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
10340 | "0347 Adapter is very hot, please take " | |
10341 | "corrective action. temperature : %d Celsius\n", | |
10342 | (uint32_t) icmd->ulpContext); | |
10343 | } else { | |
10344 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
10345 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
10346 | "0340 Adapter temperature is OK now. " | |
10347 | "temperature : %d Celsius\n", | |
10348 | (uint32_t) icmd->ulpContext); | |
10349 | } | |
10350 | ||
10351 | /* Send temperature change event to applications */ | |
10352 | shost = lpfc_shost_from_vport(phba->pport); | |
10353 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
10354 | sizeof(temp_event_data), (char *) &temp_event_data, | |
10355 | LPFC_NL_VENDOR_ID); | |
10356 | break; | |
10357 | case ASYNC_STATUS_CN: | |
10358 | lpfc_sli_abts_err_handler(phba, iocbq); | |
10359 | break; | |
10360 | default: | |
a257bf90 | 10361 | iocb_w = (uint32_t *) icmd; |
cb69f7de | 10362 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
76bb24ef | 10363 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
e4e74273 | 10364 | " evt_code 0x%x\n" |
a257bf90 JS |
10365 | "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" |
10366 | "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" | |
10367 | "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" | |
10368 | "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", | |
cb69f7de | 10369 | pring->ringno, icmd->un.asyncstat.evt_code, |
a257bf90 JS |
10370 | iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], |
10371 | iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], | |
10372 | iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], | |
10373 | iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); | |
10374 | ||
cb69f7de | 10375 | break; |
57127f15 | 10376 | } |
57127f15 JS |
10377 | } |
10378 | ||
10379 | ||
e59058c4 | 10380 | /** |
895427bd | 10381 | * lpfc_sli4_setup - SLI ring setup function |
e59058c4 JS |
10382 | * @phba: Pointer to HBA context object. |
10383 | * | |
10384 | * lpfc_sli_setup sets up rings of the SLI interface with | |
10385 | * number of iocbs per ring and iotags. This function is | |
10386 | * called while driver attach to the HBA and before the | |
10387 | * interrupts are enabled. So there is no need for locking. | |
10388 | * | |
10389 | * This function always returns 0. | |
10390 | **/ | |
dea3101e | 10391 | int |
895427bd JS |
10392 | lpfc_sli4_setup(struct lpfc_hba *phba) |
10393 | { | |
10394 | struct lpfc_sli_ring *pring; | |
10395 | ||
10396 | pring = phba->sli4_hba.els_wq->pring; | |
10397 | pring->num_mask = LPFC_MAX_RING_MASK; | |
10398 | pring->prt[0].profile = 0; /* Mask 0 */ | |
10399 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; | |
10400 | pring->prt[0].type = FC_TYPE_ELS; | |
10401 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
10402 | lpfc_els_unsol_event; | |
10403 | pring->prt[1].profile = 0; /* Mask 1 */ | |
10404 | pring->prt[1].rctl = FC_RCTL_ELS_REP; | |
10405 | pring->prt[1].type = FC_TYPE_ELS; | |
10406 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
10407 | lpfc_els_unsol_event; | |
10408 | pring->prt[2].profile = 0; /* Mask 2 */ | |
10409 | /* NameServer Inquiry */ | |
10410 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; | |
10411 | /* NameServer */ | |
10412 | pring->prt[2].type = FC_TYPE_CT; | |
10413 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
10414 | lpfc_ct_unsol_event; | |
10415 | pring->prt[3].profile = 0; /* Mask 3 */ | |
10416 | /* NameServer response */ | |
10417 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; | |
10418 | /* NameServer */ | |
10419 | pring->prt[3].type = FC_TYPE_CT; | |
10420 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
10421 | lpfc_ct_unsol_event; | |
10422 | return 0; | |
10423 | } | |
10424 | ||
10425 | /** | |
10426 | * lpfc_sli_setup - SLI ring setup function | |
10427 | * @phba: Pointer to HBA context object. | |
10428 | * | |
10429 | * lpfc_sli_setup sets up rings of the SLI interface with | |
10430 | * number of iocbs per ring and iotags. This function is | |
10431 | * called while driver attach to the HBA and before the | |
10432 | * interrupts are enabled. So there is no need for locking. | |
10433 | * | |
10434 | * This function always returns 0. SLI3 only. | |
10435 | **/ | |
10436 | int | |
dea3101e JB |
10437 | lpfc_sli_setup(struct lpfc_hba *phba) |
10438 | { | |
ed957684 | 10439 | int i, totiocbsize = 0; |
dea3101e JB |
10440 | struct lpfc_sli *psli = &phba->sli; |
10441 | struct lpfc_sli_ring *pring; | |
10442 | ||
2a76a283 | 10443 | psli->num_rings = MAX_SLI3_CONFIGURED_RINGS; |
dea3101e | 10444 | psli->sli_flag = 0; |
dea3101e | 10445 | |
604a3e30 JB |
10446 | psli->iocbq_lookup = NULL; |
10447 | psli->iocbq_lookup_len = 0; | |
10448 | psli->last_iotag = 0; | |
10449 | ||
dea3101e | 10450 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 10451 | pring = &psli->sli3_ring[i]; |
dea3101e JB |
10452 | switch (i) { |
10453 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
10454 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
10455 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
10456 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
10457 | pring->sli.sli3.numCiocb += | |
10458 | SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
10459 | pring->sli.sli3.numRiocb += | |
10460 | SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
10461 | pring->sli.sli3.numCiocb += | |
10462 | SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
10463 | pring->sli.sli3.numRiocb += | |
10464 | SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
10465 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10466 | SLI3_IOCB_CMD_SIZE : |
10467 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10468 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10469 | SLI3_IOCB_RSP_SIZE : |
10470 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
10471 | pring->iotag_ctr = 0; |
10472 | pring->iotag_max = | |
92d7f7b0 | 10473 | (phba->cfg_hba_queue_depth * 2); |
dea3101e JB |
10474 | pring->fast_iotag = pring->iotag_max; |
10475 | pring->num_mask = 0; | |
10476 | break; | |
a4bc3379 | 10477 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e | 10478 | /* numCiocb and numRiocb are used in config_port */ |
7e56aa25 JS |
10479 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
10480 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
10481 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10482 | SLI3_IOCB_CMD_SIZE : |
10483 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10484 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10485 | SLI3_IOCB_RSP_SIZE : |
10486 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 10487 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e JB |
10488 | pring->num_mask = 0; |
10489 | break; | |
10490 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
10491 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
10492 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
10493 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
10494 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
10495 | SLI3_IOCB_CMD_SIZE : |
10496 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 10497 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
10498 | SLI3_IOCB_RSP_SIZE : |
10499 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
10500 | pring->fast_iotag = 0; |
10501 | pring->iotag_ctr = 0; | |
10502 | pring->iotag_max = 4096; | |
57127f15 JS |
10503 | pring->lpfc_sli_rcv_async_status = |
10504 | lpfc_sli_async_event_handler; | |
6669f9bb | 10505 | pring->num_mask = LPFC_MAX_RING_MASK; |
dea3101e | 10506 | pring->prt[0].profile = 0; /* Mask 0 */ |
6a9c52cf JS |
10507 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; |
10508 | pring->prt[0].type = FC_TYPE_ELS; | |
dea3101e | 10509 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10510 | lpfc_els_unsol_event; |
dea3101e | 10511 | pring->prt[1].profile = 0; /* Mask 1 */ |
6a9c52cf JS |
10512 | pring->prt[1].rctl = FC_RCTL_ELS_REP; |
10513 | pring->prt[1].type = FC_TYPE_ELS; | |
dea3101e | 10514 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10515 | lpfc_els_unsol_event; |
dea3101e JB |
10516 | pring->prt[2].profile = 0; /* Mask 2 */ |
10517 | /* NameServer Inquiry */ | |
6a9c52cf | 10518 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; |
dea3101e | 10519 | /* NameServer */ |
6a9c52cf | 10520 | pring->prt[2].type = FC_TYPE_CT; |
dea3101e | 10521 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10522 | lpfc_ct_unsol_event; |
dea3101e JB |
10523 | pring->prt[3].profile = 0; /* Mask 3 */ |
10524 | /* NameServer response */ | |
6a9c52cf | 10525 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; |
dea3101e | 10526 | /* NameServer */ |
6a9c52cf | 10527 | pring->prt[3].type = FC_TYPE_CT; |
dea3101e | 10528 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 10529 | lpfc_ct_unsol_event; |
dea3101e JB |
10530 | break; |
10531 | } | |
7e56aa25 JS |
10532 | totiocbsize += (pring->sli.sli3.numCiocb * |
10533 | pring->sli.sli3.sizeCiocb) + | |
10534 | (pring->sli.sli3.numRiocb * pring->sli.sli3.sizeRiocb); | |
dea3101e | 10535 | } |
ed957684 | 10536 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 10537 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
10538 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
10539 | "SLI2 SLIM Data: x%x x%lx\n", | |
10540 | phba->brd_no, totiocbsize, | |
10541 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 10542 | } |
cf5bf97e JW |
10543 | if (phba->cfg_multi_ring_support == 2) |
10544 | lpfc_extra_ring_setup(phba); | |
dea3101e JB |
10545 | |
10546 | return 0; | |
10547 | } | |
10548 | ||
e59058c4 | 10549 | /** |
895427bd | 10550 | * lpfc_sli4_queue_init - Queue initialization function |
e59058c4 JS |
10551 | * @phba: Pointer to HBA context object. |
10552 | * | |
895427bd | 10553 | * lpfc_sli4_queue_init sets up mailbox queues and iocb queues for each |
e59058c4 JS |
10554 | * ring. This function also initializes ring indices of each ring. |
10555 | * This function is called during the initialization of the SLI | |
10556 | * interface of an HBA. | |
10557 | * This function is called with no lock held and always returns | |
10558 | * 1. | |
10559 | **/ | |
895427bd JS |
10560 | void |
10561 | lpfc_sli4_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
10562 | { |
10563 | struct lpfc_sli *psli; | |
10564 | struct lpfc_sli_ring *pring; | |
604a3e30 | 10565 | int i; |
dea3101e JB |
10566 | |
10567 | psli = &phba->sli; | |
2e0fef85 | 10568 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10569 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 10570 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e | 10571 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
cdb42bec | 10572 | for (i = 0; i < phba->cfg_hdw_queue; i++) { |
c00f62e6 | 10573 | pring = phba->sli4_hba.hdwq[i].io_wq->pring; |
895427bd JS |
10574 | pring->flag = 0; |
10575 | pring->ringno = LPFC_FCP_RING; | |
c490850a | 10576 | pring->txcmplq_cnt = 0; |
895427bd JS |
10577 | INIT_LIST_HEAD(&pring->txq); |
10578 | INIT_LIST_HEAD(&pring->txcmplq); | |
10579 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10580 | spin_lock_init(&pring->ring_lock); | |
10581 | } | |
10582 | pring = phba->sli4_hba.els_wq->pring; | |
10583 | pring->flag = 0; | |
10584 | pring->ringno = LPFC_ELS_RING; | |
c490850a | 10585 | pring->txcmplq_cnt = 0; |
895427bd JS |
10586 | INIT_LIST_HEAD(&pring->txq); |
10587 | INIT_LIST_HEAD(&pring->txcmplq); | |
10588 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10589 | spin_lock_init(&pring->ring_lock); | |
dea3101e | 10590 | |
cdb42bec | 10591 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { |
895427bd JS |
10592 | pring = phba->sli4_hba.nvmels_wq->pring; |
10593 | pring->flag = 0; | |
10594 | pring->ringno = LPFC_ELS_RING; | |
c490850a | 10595 | pring->txcmplq_cnt = 0; |
895427bd JS |
10596 | INIT_LIST_HEAD(&pring->txq); |
10597 | INIT_LIST_HEAD(&pring->txcmplq); | |
10598 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
10599 | spin_lock_init(&pring->ring_lock); | |
10600 | } | |
10601 | ||
10602 | spin_unlock_irq(&phba->hbalock); | |
10603 | } | |
10604 | ||
10605 | /** | |
10606 | * lpfc_sli_queue_init - Queue initialization function | |
10607 | * @phba: Pointer to HBA context object. | |
10608 | * | |
10609 | * lpfc_sli_queue_init sets up mailbox queues and iocb queues for each | |
10610 | * ring. This function also initializes ring indices of each ring. | |
10611 | * This function is called during the initialization of the SLI | |
10612 | * interface of an HBA. | |
10613 | * This function is called with no lock held and always returns | |
10614 | * 1. | |
10615 | **/ | |
10616 | void | |
10617 | lpfc_sli_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
10618 | { |
10619 | struct lpfc_sli *psli; | |
10620 | struct lpfc_sli_ring *pring; | |
604a3e30 | 10621 | int i; |
dea3101e JB |
10622 | |
10623 | psli = &phba->sli; | |
2e0fef85 | 10624 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10625 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 10626 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e JB |
10627 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
10628 | for (i = 0; i < psli->num_rings; i++) { | |
895427bd | 10629 | pring = &psli->sli3_ring[i]; |
dea3101e | 10630 | pring->ringno = i; |
7e56aa25 JS |
10631 | pring->sli.sli3.next_cmdidx = 0; |
10632 | pring->sli.sli3.local_getidx = 0; | |
10633 | pring->sli.sli3.cmdidx = 0; | |
dea3101e | 10634 | INIT_LIST_HEAD(&pring->iocb_continueq); |
9c2face6 | 10635 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 10636 | INIT_LIST_HEAD(&pring->postbufq); |
895427bd JS |
10637 | pring->flag = 0; |
10638 | INIT_LIST_HEAD(&pring->txq); | |
10639 | INIT_LIST_HEAD(&pring->txcmplq); | |
7e56aa25 | 10640 | spin_lock_init(&pring->ring_lock); |
dea3101e | 10641 | } |
2e0fef85 | 10642 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
10643 | } |
10644 | ||
04c68496 JS |
10645 | /** |
10646 | * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system | |
10647 | * @phba: Pointer to HBA context object. | |
10648 | * | |
10649 | * This routine flushes the mailbox command subsystem. It will unconditionally | |
10650 | * flush all the mailbox commands in the three possible stages in the mailbox | |
10651 | * command sub-system: pending mailbox command queue; the outstanding mailbox | |
10652 | * command; and completed mailbox command queue. It is caller's responsibility | |
10653 | * to make sure that the driver is in the proper state to flush the mailbox | |
10654 | * command sub-system. Namely, the posting of mailbox commands into the | |
10655 | * pending mailbox command queue from the various clients must be stopped; | |
10656 | * either the HBA is in a state that it will never works on the outstanding | |
10657 | * mailbox command (such as in EEH or ERATT conditions) or the outstanding | |
10658 | * mailbox command has been completed. | |
10659 | **/ | |
10660 | static void | |
10661 | lpfc_sli_mbox_sys_flush(struct lpfc_hba *phba) | |
10662 | { | |
10663 | LIST_HEAD(completions); | |
10664 | struct lpfc_sli *psli = &phba->sli; | |
10665 | LPFC_MBOXQ_t *pmb; | |
10666 | unsigned long iflag; | |
10667 | ||
523128e5 JS |
10668 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
10669 | local_bh_disable(); | |
10670 | ||
04c68496 JS |
10671 | /* Flush all the mailbox commands in the mbox system */ |
10672 | spin_lock_irqsave(&phba->hbalock, iflag); | |
523128e5 | 10673 | |
04c68496 JS |
10674 | /* The pending mailbox command queue */ |
10675 | list_splice_init(&phba->sli.mboxq, &completions); | |
10676 | /* The outstanding active mailbox command */ | |
10677 | if (psli->mbox_active) { | |
10678 | list_add_tail(&psli->mbox_active->list, &completions); | |
10679 | psli->mbox_active = NULL; | |
10680 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10681 | } | |
10682 | /* The completed mailbox command queue */ | |
10683 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
10684 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
10685 | ||
523128e5 JS |
10686 | /* Enable softirqs again, done with phba->hbalock */ |
10687 | local_bh_enable(); | |
10688 | ||
04c68496 JS |
10689 | /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */ |
10690 | while (!list_empty(&completions)) { | |
10691 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
10692 | pmb->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
10693 | if (pmb->mbox_cmpl) | |
10694 | pmb->mbox_cmpl(phba, pmb); | |
10695 | } | |
10696 | } | |
10697 | ||
e59058c4 | 10698 | /** |
3621a710 | 10699 | * lpfc_sli_host_down - Vport cleanup function |
e59058c4 JS |
10700 | * @vport: Pointer to virtual port object. |
10701 | * | |
10702 | * lpfc_sli_host_down is called to clean up the resources | |
10703 | * associated with a vport before destroying virtual | |
10704 | * port data structures. | |
10705 | * This function does following operations: | |
10706 | * - Free discovery resources associated with this virtual | |
10707 | * port. | |
10708 | * - Free iocbs associated with this virtual port in | |
10709 | * the txq. | |
10710 | * - Send abort for all iocb commands associated with this | |
10711 | * vport in txcmplq. | |
10712 | * | |
10713 | * This function is called with no lock held and always returns 1. | |
10714 | **/ | |
92d7f7b0 JS |
10715 | int |
10716 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
10717 | { | |
858c9f6c | 10718 | LIST_HEAD(completions); |
92d7f7b0 JS |
10719 | struct lpfc_hba *phba = vport->phba; |
10720 | struct lpfc_sli *psli = &phba->sli; | |
895427bd | 10721 | struct lpfc_queue *qp = NULL; |
92d7f7b0 JS |
10722 | struct lpfc_sli_ring *pring; |
10723 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
10724 | int i; |
10725 | unsigned long flags = 0; | |
10726 | uint16_t prev_pring_flag; | |
10727 | ||
10728 | lpfc_cleanup_discovery_resources(vport); | |
10729 | ||
10730 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 | 10731 | |
895427bd JS |
10732 | /* |
10733 | * Error everything on the txq since these iocbs | |
10734 | * have not been given to the FW yet. | |
10735 | * Also issue ABTS for everything on the txcmplq | |
10736 | */ | |
10737 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10738 | for (i = 0; i < psli->num_rings; i++) { | |
10739 | pring = &psli->sli3_ring[i]; | |
10740 | prev_pring_flag = pring->flag; | |
10741 | /* Only slow rings */ | |
10742 | if (pring->ringno == LPFC_ELS_RING) { | |
10743 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10744 | /* Set the lpfc data pending flag */ | |
10745 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10746 | } | |
10747 | list_for_each_entry_safe(iocb, next_iocb, | |
10748 | &pring->txq, list) { | |
10749 | if (iocb->vport != vport) | |
10750 | continue; | |
10751 | list_move_tail(&iocb->list, &completions); | |
10752 | } | |
10753 | list_for_each_entry_safe(iocb, next_iocb, | |
10754 | &pring->txcmplq, list) { | |
10755 | if (iocb->vport != vport) | |
10756 | continue; | |
10757 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10758 | } | |
10759 | pring->flag = prev_pring_flag; | |
10760 | } | |
10761 | } else { | |
10762 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10763 | pring = qp->pring; | |
10764 | if (!pring) | |
92d7f7b0 | 10765 | continue; |
895427bd JS |
10766 | if (pring == phba->sli4_hba.els_wq->pring) { |
10767 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10768 | /* Set the lpfc data pending flag */ | |
10769 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10770 | } | |
10771 | prev_pring_flag = pring->flag; | |
65a3df63 | 10772 | spin_lock(&pring->ring_lock); |
895427bd JS |
10773 | list_for_each_entry_safe(iocb, next_iocb, |
10774 | &pring->txq, list) { | |
10775 | if (iocb->vport != vport) | |
10776 | continue; | |
10777 | list_move_tail(&iocb->list, &completions); | |
10778 | } | |
65a3df63 | 10779 | spin_unlock(&pring->ring_lock); |
895427bd JS |
10780 | list_for_each_entry_safe(iocb, next_iocb, |
10781 | &pring->txcmplq, list) { | |
10782 | if (iocb->vport != vport) | |
10783 | continue; | |
10784 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10785 | } | |
10786 | pring->flag = prev_pring_flag; | |
92d7f7b0 | 10787 | } |
92d7f7b0 | 10788 | } |
92d7f7b0 JS |
10789 | spin_unlock_irqrestore(&phba->hbalock, flags); |
10790 | ||
a257bf90 JS |
10791 | /* Cancel all the IOCBs from the completions list */ |
10792 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10793 | IOERR_SLI_DOWN); | |
92d7f7b0 JS |
10794 | return 1; |
10795 | } | |
10796 | ||
e59058c4 | 10797 | /** |
3621a710 | 10798 | * lpfc_sli_hba_down - Resource cleanup function for the HBA |
e59058c4 JS |
10799 | * @phba: Pointer to HBA context object. |
10800 | * | |
10801 | * This function cleans up all iocb, buffers, mailbox commands | |
10802 | * while shutting down the HBA. This function is called with no | |
10803 | * lock held and always returns 1. | |
10804 | * This function does the following to cleanup driver resources: | |
10805 | * - Free discovery resources for each virtual port | |
10806 | * - Cleanup any pending fabric iocbs | |
10807 | * - Iterate through the iocb txq and free each entry | |
10808 | * in the list. | |
10809 | * - Free up any buffer posted to the HBA | |
10810 | * - Free mailbox commands in the mailbox queue. | |
10811 | **/ | |
dea3101e | 10812 | int |
2e0fef85 | 10813 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 10814 | { |
2534ba75 | 10815 | LIST_HEAD(completions); |
2e0fef85 | 10816 | struct lpfc_sli *psli = &phba->sli; |
895427bd | 10817 | struct lpfc_queue *qp = NULL; |
dea3101e | 10818 | struct lpfc_sli_ring *pring; |
0ff10d46 | 10819 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 10820 | unsigned long flags = 0; |
04c68496 JS |
10821 | int i; |
10822 | ||
10823 | /* Shutdown the mailbox command sub-system */ | |
618a5230 | 10824 | lpfc_sli_mbox_sys_shutdown(phba, LPFC_MBX_WAIT); |
dea3101e | 10825 | |
dea3101e JB |
10826 | lpfc_hba_down_prep(phba); |
10827 | ||
523128e5 JS |
10828 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
10829 | local_bh_disable(); | |
10830 | ||
92d7f7b0 JS |
10831 | lpfc_fabric_abort_hba(phba); |
10832 | ||
2e0fef85 | 10833 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 10834 | |
895427bd JS |
10835 | /* |
10836 | * Error everything on the txq since these iocbs | |
10837 | * have not been given to the FW yet. | |
10838 | */ | |
10839 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10840 | for (i = 0; i < psli->num_rings; i++) { | |
10841 | pring = &psli->sli3_ring[i]; | |
10842 | /* Only slow rings */ | |
10843 | if (pring->ringno == LPFC_ELS_RING) { | |
10844 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10845 | /* Set the lpfc data pending flag */ | |
10846 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10847 | } | |
10848 | list_splice_init(&pring->txq, &completions); | |
10849 | } | |
10850 | } else { | |
10851 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10852 | pring = qp->pring; | |
10853 | if (!pring) | |
10854 | continue; | |
4b0a42be | 10855 | spin_lock(&pring->ring_lock); |
895427bd | 10856 | list_splice_init(&pring->txq, &completions); |
4b0a42be | 10857 | spin_unlock(&pring->ring_lock); |
895427bd JS |
10858 | if (pring == phba->sli4_hba.els_wq->pring) { |
10859 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10860 | /* Set the lpfc data pending flag */ | |
10861 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10862 | } | |
10863 | } | |
2534ba75 | 10864 | } |
2e0fef85 | 10865 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 10866 | |
a257bf90 JS |
10867 | /* Cancel all the IOCBs from the completions list */ |
10868 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10869 | IOERR_SLI_DOWN); | |
dea3101e | 10870 | |
0ff10d46 JS |
10871 | spin_lock_irqsave(&phba->hbalock, flags); |
10872 | list_splice_init(&phba->elsbuf, &completions); | |
10873 | phba->elsbuf_cnt = 0; | |
10874 | phba->elsbuf_prev_cnt = 0; | |
10875 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
10876 | ||
10877 | while (!list_empty(&completions)) { | |
10878 | list_remove_head(&completions, buf_ptr, | |
10879 | struct lpfc_dmabuf, list); | |
10880 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
10881 | kfree(buf_ptr); | |
10882 | } | |
10883 | ||
523128e5 JS |
10884 | /* Enable softirqs again, done with phba->hbalock */ |
10885 | local_bh_enable(); | |
10886 | ||
dea3101e JB |
10887 | /* Return any active mbox cmds */ |
10888 | del_timer_sync(&psli->mbox_tmo); | |
2e0fef85 | 10889 | |
da0436e9 | 10890 | spin_lock_irqsave(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10891 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
da0436e9 | 10892 | spin_unlock_irqrestore(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10893 | |
da0436e9 JS |
10894 | return 1; |
10895 | } | |
10896 | ||
e59058c4 | 10897 | /** |
3621a710 | 10898 | * lpfc_sli_pcimem_bcopy - SLI memory copy function |
e59058c4 JS |
10899 | * @srcp: Source memory pointer. |
10900 | * @destp: Destination memory pointer. | |
10901 | * @cnt: Number of words required to be copied. | |
10902 | * | |
10903 | * This function is used for copying data between driver memory | |
10904 | * and the SLI memory. This function also changes the endianness | |
10905 | * of each word if native endianness is different from SLI | |
10906 | * endianness. This function can be called with or without | |
10907 | * lock. | |
10908 | **/ | |
dea3101e JB |
10909 | void |
10910 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10911 | { | |
10912 | uint32_t *src = srcp; | |
10913 | uint32_t *dest = destp; | |
10914 | uint32_t ldata; | |
10915 | int i; | |
10916 | ||
10917 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
10918 | ldata = *src; | |
10919 | ldata = le32_to_cpu(ldata); | |
10920 | *dest = ldata; | |
10921 | src++; | |
10922 | dest++; | |
10923 | } | |
10924 | } | |
10925 | ||
e59058c4 | 10926 | |
a0c87cbd JS |
10927 | /** |
10928 | * lpfc_sli_bemem_bcopy - SLI memory copy function | |
10929 | * @srcp: Source memory pointer. | |
10930 | * @destp: Destination memory pointer. | |
10931 | * @cnt: Number of words required to be copied. | |
10932 | * | |
10933 | * This function is used for copying data between a data structure | |
10934 | * with big endian representation to local endianness. | |
10935 | * This function can be called with or without lock. | |
10936 | **/ | |
10937 | void | |
10938 | lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10939 | { | |
10940 | uint32_t *src = srcp; | |
10941 | uint32_t *dest = destp; | |
10942 | uint32_t ldata; | |
10943 | int i; | |
10944 | ||
10945 | for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) { | |
10946 | ldata = *src; | |
10947 | ldata = be32_to_cpu(ldata); | |
10948 | *dest = ldata; | |
10949 | src++; | |
10950 | dest++; | |
10951 | } | |
10952 | } | |
10953 | ||
e59058c4 | 10954 | /** |
3621a710 | 10955 | * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq |
e59058c4 JS |
10956 | * @phba: Pointer to HBA context object. |
10957 | * @pring: Pointer to driver SLI ring object. | |
10958 | * @mp: Pointer to driver buffer object. | |
10959 | * | |
10960 | * This function is called with no lock held. | |
10961 | * It always return zero after adding the buffer to the postbufq | |
10962 | * buffer list. | |
10963 | **/ | |
dea3101e | 10964 | int |
2e0fef85 JS |
10965 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
10966 | struct lpfc_dmabuf *mp) | |
dea3101e JB |
10967 | { |
10968 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
10969 | later */ | |
2e0fef85 | 10970 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10971 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 10972 | pring->postbufq_cnt++; |
2e0fef85 | 10973 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
10974 | return 0; |
10975 | } | |
10976 | ||
e59058c4 | 10977 | /** |
3621a710 | 10978 | * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer |
e59058c4 JS |
10979 | * @phba: Pointer to HBA context object. |
10980 | * | |
10981 | * When HBQ is enabled, buffers are searched based on tags. This function | |
10982 | * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The | |
10983 | * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag | |
10984 | * does not conflict with tags of buffer posted for unsolicited events. | |
10985 | * The function returns the allocated tag. The function is called with | |
10986 | * no locks held. | |
10987 | **/ | |
76bb24ef JS |
10988 | uint32_t |
10989 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
10990 | { | |
10991 | spin_lock_irq(&phba->hbalock); | |
10992 | phba->buffer_tag_count++; | |
10993 | /* | |
10994 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
10995 | * a tag assigned by HBQ. | |
10996 | */ | |
10997 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
10998 | spin_unlock_irq(&phba->hbalock); | |
10999 | return phba->buffer_tag_count; | |
11000 | } | |
11001 | ||
e59058c4 | 11002 | /** |
3621a710 | 11003 | * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag |
e59058c4 JS |
11004 | * @phba: Pointer to HBA context object. |
11005 | * @pring: Pointer to driver SLI ring object. | |
11006 | * @tag: Buffer tag. | |
11007 | * | |
11008 | * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq | |
11009 | * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX | |
11010 | * iocb is posted to the response ring with the tag of the buffer. | |
11011 | * This function searches the pring->postbufq list using the tag | |
11012 | * to find buffer associated with CMD_IOCB_RET_XRI64_CX | |
11013 | * iocb. If the buffer is found then lpfc_dmabuf object of the | |
11014 | * buffer is returned to the caller else NULL is returned. | |
11015 | * This function is called with no lock held. | |
11016 | **/ | |
76bb24ef JS |
11017 | struct lpfc_dmabuf * |
11018 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11019 | uint32_t tag) | |
11020 | { | |
11021 | struct lpfc_dmabuf *mp, *next_mp; | |
11022 | struct list_head *slp = &pring->postbufq; | |
11023 | ||
25985edc | 11024 | /* Search postbufq, from the beginning, looking for a match on tag */ |
76bb24ef JS |
11025 | spin_lock_irq(&phba->hbalock); |
11026 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
11027 | if (mp->buffer_tag == tag) { | |
11028 | list_del_init(&mp->list); | |
11029 | pring->postbufq_cnt--; | |
11030 | spin_unlock_irq(&phba->hbalock); | |
11031 | return mp; | |
11032 | } | |
11033 | } | |
11034 | ||
11035 | spin_unlock_irq(&phba->hbalock); | |
11036 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 11037 | "0402 Cannot find virtual addr for buffer tag on " |
32350664 | 11038 | "ring %d Data x%lx x%px x%px x%x\n", |
76bb24ef JS |
11039 | pring->ringno, (unsigned long) tag, |
11040 | slp->next, slp->prev, pring->postbufq_cnt); | |
11041 | ||
11042 | return NULL; | |
11043 | } | |
dea3101e | 11044 | |
e59058c4 | 11045 | /** |
3621a710 | 11046 | * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events |
e59058c4 JS |
11047 | * @phba: Pointer to HBA context object. |
11048 | * @pring: Pointer to driver SLI ring object. | |
11049 | * @phys: DMA address of the buffer. | |
11050 | * | |
11051 | * This function searches the buffer list using the dma_address | |
11052 | * of unsolicited event to find the driver's lpfc_dmabuf object | |
11053 | * corresponding to the dma_address. The function returns the | |
11054 | * lpfc_dmabuf object if a buffer is found else it returns NULL. | |
11055 | * This function is called by the ct and els unsolicited event | |
11056 | * handlers to get the buffer associated with the unsolicited | |
11057 | * event. | |
11058 | * | |
11059 | * This function is called with no lock held. | |
11060 | **/ | |
dea3101e JB |
11061 | struct lpfc_dmabuf * |
11062 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11063 | dma_addr_t phys) | |
11064 | { | |
11065 | struct lpfc_dmabuf *mp, *next_mp; | |
11066 | struct list_head *slp = &pring->postbufq; | |
11067 | ||
25985edc | 11068 | /* Search postbufq, from the beginning, looking for a match on phys */ |
2e0fef85 | 11069 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
11070 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
11071 | if (mp->phys == phys) { | |
11072 | list_del_init(&mp->list); | |
11073 | pring->postbufq_cnt--; | |
2e0fef85 | 11074 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
11075 | return mp; |
11076 | } | |
11077 | } | |
11078 | ||
2e0fef85 | 11079 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 11080 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 11081 | "0410 Cannot find virtual addr for mapped buf on " |
32350664 | 11082 | "ring %d Data x%llx x%px x%px x%x\n", |
e8b62011 | 11083 | pring->ringno, (unsigned long long)phys, |
dea3101e JB |
11084 | slp->next, slp->prev, pring->postbufq_cnt); |
11085 | return NULL; | |
11086 | } | |
11087 | ||
e59058c4 | 11088 | /** |
3621a710 | 11089 | * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs |
e59058c4 JS |
11090 | * @phba: Pointer to HBA context object. |
11091 | * @cmdiocb: Pointer to driver command iocb object. | |
11092 | * @rspiocb: Pointer to driver response iocb object. | |
11093 | * | |
11094 | * This function is the completion handler for the abort iocbs for | |
11095 | * ELS commands. This function is called from the ELS ring event | |
11096 | * handler with no lock held. This function frees memory resources | |
11097 | * associated with the abort iocb. | |
11098 | **/ | |
dea3101e | 11099 | static void |
2e0fef85 JS |
11100 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
11101 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 11102 | { |
2e0fef85 | 11103 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 11104 | uint16_t abort_iotag, abort_context; |
ff78d8f9 | 11105 | struct lpfc_iocbq *abort_iocb = NULL; |
2680eeaa JS |
11106 | |
11107 | if (irsp->ulpStatus) { | |
ff78d8f9 JS |
11108 | |
11109 | /* | |
11110 | * Assume that the port already completed and returned, or | |
11111 | * will return the iocb. Just Log the message. | |
11112 | */ | |
2680eeaa JS |
11113 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; |
11114 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
11115 | ||
2e0fef85 | 11116 | spin_lock_irq(&phba->hbalock); |
45ed1190 | 11117 | if (phba->sli_rev < LPFC_SLI_REV4) { |
faa832e9 JS |
11118 | if (irsp->ulpCommand == CMD_ABORT_XRI_CX && |
11119 | irsp->ulpStatus == IOSTAT_LOCAL_REJECT && | |
11120 | irsp->un.ulpWord[4] == IOERR_ABORT_REQUESTED) { | |
11121 | spin_unlock_irq(&phba->hbalock); | |
11122 | goto release_iocb; | |
11123 | } | |
45ed1190 JS |
11124 | if (abort_iotag != 0 && |
11125 | abort_iotag <= phba->sli.last_iotag) | |
11126 | abort_iocb = | |
11127 | phba->sli.iocbq_lookup[abort_iotag]; | |
11128 | } else | |
11129 | /* For sli4 the abort_tag is the XRI, | |
11130 | * so the abort routine puts the iotag of the iocb | |
11131 | * being aborted in the context field of the abort | |
11132 | * IOCB. | |
11133 | */ | |
11134 | abort_iocb = phba->sli.iocbq_lookup[abort_context]; | |
2680eeaa | 11135 | |
2a9bf3d0 | 11136 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI, |
32350664 | 11137 | "0327 Cannot abort els iocb x%px " |
2a9bf3d0 JS |
11138 | "with tag %x context %x, abort status %x, " |
11139 | "abort code %x\n", | |
11140 | abort_iocb, abort_iotag, abort_context, | |
11141 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
341af102 | 11142 | |
ff78d8f9 | 11143 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 11144 | } |
faa832e9 | 11145 | release_iocb: |
604a3e30 | 11146 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e JB |
11147 | return; |
11148 | } | |
11149 | ||
e59058c4 | 11150 | /** |
3621a710 | 11151 | * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command |
e59058c4 JS |
11152 | * @phba: Pointer to HBA context object. |
11153 | * @cmdiocb: Pointer to driver command iocb object. | |
11154 | * @rspiocb: Pointer to driver response iocb object. | |
11155 | * | |
11156 | * The function is called from SLI ring event handler with no | |
11157 | * lock held. This function is the completion handler for ELS commands | |
11158 | * which are aborted. The function frees memory resources used for | |
11159 | * the aborted ELS commands. | |
11160 | **/ | |
92d7f7b0 JS |
11161 | static void |
11162 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
11163 | struct lpfc_iocbq *rspiocb) | |
11164 | { | |
11165 | IOCB_t *irsp = &rspiocb->iocb; | |
11166 | ||
11167 | /* ELS cmd tag <ulpIoTag> completes */ | |
11168 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
d7c255b2 | 11169 | "0139 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 11170 | "x%x x%x x%x\n", |
e8b62011 | 11171 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 11172 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
11173 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
11174 | lpfc_ct_free_iocb(phba, cmdiocb); | |
11175 | else | |
11176 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
11177 | return; |
11178 | } | |
11179 | ||
e59058c4 | 11180 | /** |
5af5eee7 | 11181 | * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb |
e59058c4 JS |
11182 | * @phba: Pointer to HBA context object. |
11183 | * @pring: Pointer to driver SLI ring object. | |
11184 | * @cmdiocb: Pointer to driver command iocb object. | |
11185 | * | |
5af5eee7 JS |
11186 | * This function issues an abort iocb for the provided command iocb down to |
11187 | * the port. Other than the case the outstanding command iocb is an abort | |
11188 | * request, this function issues abort out unconditionally. This function is | |
11189 | * called with hbalock held. The function returns 0 when it fails due to | |
11190 | * memory allocation failure or when the command iocb is an abort request. | |
e59058c4 | 11191 | **/ |
5af5eee7 JS |
11192 | static int |
11193 | lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 11194 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 11195 | { |
2e0fef85 | 11196 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 11197 | struct lpfc_iocbq *abtsiocbp; |
dea3101e JB |
11198 | IOCB_t *icmd = NULL; |
11199 | IOCB_t *iabt = NULL; | |
5af5eee7 | 11200 | int retval; |
7e56aa25 | 11201 | unsigned long iflags; |
faa832e9 | 11202 | struct lpfc_nodelist *ndlp; |
07951076 | 11203 | |
1c2ba475 JT |
11204 | lockdep_assert_held(&phba->hbalock); |
11205 | ||
92d7f7b0 JS |
11206 | /* |
11207 | * There are certain command types we don't want to abort. And we | |
11208 | * don't want to abort commands that are already in the process of | |
11209 | * being aborted. | |
07951076 JS |
11210 | */ |
11211 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 11212 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
11213 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
11214 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
11215 | return 0; |
11216 | ||
dea3101e | 11217 | /* issue ABTS for this IOCB based on iotag */ |
92d7f7b0 | 11218 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
11219 | if (abtsiocbp == NULL) |
11220 | return 0; | |
dea3101e | 11221 | |
07951076 | 11222 | /* This signals the response to set the correct status |
341af102 | 11223 | * before calling the completion handler |
07951076 JS |
11224 | */ |
11225 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11226 | ||
dea3101e | 11227 | iabt = &abtsiocbp->iocb; |
07951076 JS |
11228 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
11229 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
45ed1190 | 11230 | if (phba->sli_rev == LPFC_SLI_REV4) { |
da0436e9 | 11231 | iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag; |
45ed1190 | 11232 | iabt->un.acxri.abortContextTag = cmdiocb->iotag; |
faa832e9 | 11233 | } else { |
da0436e9 | 11234 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; |
faa832e9 JS |
11235 | if (pring->ringno == LPFC_ELS_RING) { |
11236 | ndlp = (struct lpfc_nodelist *)(cmdiocb->context1); | |
11237 | iabt->un.acxri.abortContextTag = ndlp->nlp_rpi; | |
11238 | } | |
11239 | } | |
07951076 JS |
11240 | iabt->ulpLe = 1; |
11241 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 11242 | |
5ffc266e | 11243 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 11244 | abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx; |
341af102 JS |
11245 | if (cmdiocb->iocb_flag & LPFC_IO_FCP) |
11246 | abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11247 | if (cmdiocb->iocb_flag & LPFC_IO_FOF) |
11248 | abtsiocbp->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 11249 | |
2e0fef85 | 11250 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
11251 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
11252 | else | |
11253 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 11254 | |
07951076 | 11255 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
e6c6acc0 | 11256 | abtsiocbp->vport = vport; |
5b8bd0c9 | 11257 | |
e8b62011 JS |
11258 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
11259 | "0339 Abort xri x%x, original iotag x%x, " | |
11260 | "abort cmd iotag x%x\n", | |
2a9bf3d0 | 11261 | iabt->un.acxri.abortIoTag, |
e8b62011 | 11262 | iabt->un.acxri.abortContextTag, |
2a9bf3d0 | 11263 | abtsiocbp->iotag); |
7e56aa25 JS |
11264 | |
11265 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
895427bd JS |
11266 | pring = lpfc_sli4_calc_ring(phba, abtsiocbp); |
11267 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 11268 | return 0; |
7e56aa25 JS |
11269 | /* Note: both hbalock and ring_lock need to be set here */ |
11270 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
11271 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11272 | abtsiocbp, 0); | |
11273 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
11274 | } else { | |
11275 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11276 | abtsiocbp, 0); | |
11277 | } | |
dea3101e | 11278 | |
d7c255b2 JS |
11279 | if (retval) |
11280 | __lpfc_sli_release_iocbq(phba, abtsiocbp); | |
5af5eee7 JS |
11281 | |
11282 | /* | |
11283 | * Caller to this routine should check for IOCB_ERROR | |
11284 | * and handle it properly. This routine no longer removes | |
11285 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
11286 | */ | |
11287 | return retval; | |
11288 | } | |
11289 | ||
11290 | /** | |
11291 | * lpfc_sli_issue_abort_iotag - Abort function for a command iocb | |
11292 | * @phba: Pointer to HBA context object. | |
11293 | * @pring: Pointer to driver SLI ring object. | |
11294 | * @cmdiocb: Pointer to driver command iocb object. | |
11295 | * | |
11296 | * This function issues an abort iocb for the provided command iocb. In case | |
11297 | * of unloading, the abort iocb will not be issued to commands on the ELS | |
11298 | * ring. Instead, the callback function shall be changed to those commands | |
11299 | * so that nothing happens when them finishes. This function is called with | |
11300 | * hbalock held. The function returns 0 when the command iocb is an abort | |
11301 | * request. | |
11302 | **/ | |
11303 | int | |
11304 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
11305 | struct lpfc_iocbq *cmdiocb) | |
11306 | { | |
11307 | struct lpfc_vport *vport = cmdiocb->vport; | |
11308 | int retval = IOCB_ERROR; | |
11309 | IOCB_t *icmd = NULL; | |
11310 | ||
1c2ba475 JT |
11311 | lockdep_assert_held(&phba->hbalock); |
11312 | ||
5af5eee7 JS |
11313 | /* |
11314 | * There are certain command types we don't want to abort. And we | |
11315 | * don't want to abort commands that are already in the process of | |
11316 | * being aborted. | |
11317 | */ | |
11318 | icmd = &cmdiocb->iocb; | |
11319 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || | |
11320 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
11321 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
11322 | return 0; | |
11323 | ||
1234a6d5 DK |
11324 | if (!pring) { |
11325 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
11326 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
11327 | else | |
11328 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
11329 | goto abort_iotag_exit; | |
11330 | } | |
11331 | ||
5af5eee7 JS |
11332 | /* |
11333 | * If we're unloading, don't abort iocb on the ELS ring, but change | |
11334 | * the callback so that nothing happens when it finishes. | |
11335 | */ | |
11336 | if ((vport->load_flag & FC_UNLOADING) && | |
11337 | (pring->ringno == LPFC_ELS_RING)) { | |
11338 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
11339 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
11340 | else | |
11341 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
11342 | goto abort_iotag_exit; | |
11343 | } | |
11344 | ||
11345 | /* Now, we try to issue the abort to the cmdiocb out */ | |
11346 | retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb); | |
11347 | ||
07951076 | 11348 | abort_iotag_exit: |
2e0fef85 JS |
11349 | /* |
11350 | * Caller to this routine should check for IOCB_ERROR | |
11351 | * and handle it properly. This routine no longer removes | |
11352 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 11353 | */ |
2e0fef85 | 11354 | return retval; |
dea3101e JB |
11355 | } |
11356 | ||
5af5eee7 JS |
11357 | /** |
11358 | * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. | |
11359 | * @phba: pointer to lpfc HBA data structure. | |
11360 | * | |
11361 | * This routine will abort all pending and outstanding iocbs to an HBA. | |
11362 | **/ | |
11363 | void | |
11364 | lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba) | |
11365 | { | |
11366 | struct lpfc_sli *psli = &phba->sli; | |
11367 | struct lpfc_sli_ring *pring; | |
895427bd | 11368 | struct lpfc_queue *qp = NULL; |
5af5eee7 JS |
11369 | int i; |
11370 | ||
895427bd JS |
11371 | if (phba->sli_rev != LPFC_SLI_REV4) { |
11372 | for (i = 0; i < psli->num_rings; i++) { | |
11373 | pring = &psli->sli3_ring[i]; | |
11374 | lpfc_sli_abort_iocb_ring(phba, pring); | |
11375 | } | |
11376 | return; | |
11377 | } | |
11378 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
11379 | pring = qp->pring; | |
11380 | if (!pring) | |
11381 | continue; | |
db55fba8 | 11382 | lpfc_sli_abort_iocb_ring(phba, pring); |
5af5eee7 JS |
11383 | } |
11384 | } | |
11385 | ||
e59058c4 | 11386 | /** |
3621a710 | 11387 | * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN |
e59058c4 JS |
11388 | * @iocbq: Pointer to driver iocb object. |
11389 | * @vport: Pointer to driver virtual port object. | |
11390 | * @tgt_id: SCSI ID of the target. | |
11391 | * @lun_id: LUN ID of the scsi device. | |
11392 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST | |
11393 | * | |
3621a710 | 11394 | * This function acts as an iocb filter for functions which abort or count |
e59058c4 JS |
11395 | * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return |
11396 | * 0 if the filtering criteria is met for the given iocb and will return | |
11397 | * 1 if the filtering criteria is not met. | |
11398 | * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the | |
11399 | * given iocb is for the SCSI device specified by vport, tgt_id and | |
11400 | * lun_id parameter. | |
11401 | * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the | |
11402 | * given iocb is for the SCSI target specified by vport and tgt_id | |
11403 | * parameters. | |
11404 | * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the | |
11405 | * given iocb is for the SCSI host associated with the given vport. | |
11406 | * This function is called with no locks held. | |
11407 | **/ | |
dea3101e | 11408 | static int |
51ef4c26 JS |
11409 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
11410 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 11411 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 11412 | { |
c490850a | 11413 | struct lpfc_io_buf *lpfc_cmd; |
dea3101e JB |
11414 | int rc = 1; |
11415 | ||
b0e83012 | 11416 | if (iocbq->vport != vport) |
0bd4ca25 JSEC |
11417 | return rc; |
11418 | ||
b0e83012 JS |
11419 | if (!(iocbq->iocb_flag & LPFC_IO_FCP) || |
11420 | !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) | |
51ef4c26 JS |
11421 | return rc; |
11422 | ||
c490850a | 11423 | lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq); |
0bd4ca25 | 11424 | |
495a714c | 11425 | if (lpfc_cmd->pCmd == NULL) |
dea3101e JB |
11426 | return rc; |
11427 | ||
11428 | switch (ctx_cmd) { | |
11429 | case LPFC_CTX_LUN: | |
b0e83012 | 11430 | if ((lpfc_cmd->rdata) && (lpfc_cmd->rdata->pnode) && |
495a714c JS |
11431 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id) && |
11432 | (scsilun_to_int(&lpfc_cmd->fcp_cmnd->fcp_lun) == lun_id)) | |
dea3101e JB |
11433 | rc = 0; |
11434 | break; | |
11435 | case LPFC_CTX_TGT: | |
b0e83012 | 11436 | if ((lpfc_cmd->rdata) && (lpfc_cmd->rdata->pnode) && |
495a714c | 11437 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id)) |
dea3101e JB |
11438 | rc = 0; |
11439 | break; | |
dea3101e JB |
11440 | case LPFC_CTX_HOST: |
11441 | rc = 0; | |
11442 | break; | |
11443 | default: | |
11444 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
cadbd4a5 | 11445 | __func__, ctx_cmd); |
dea3101e JB |
11446 | break; |
11447 | } | |
11448 | ||
11449 | return rc; | |
11450 | } | |
11451 | ||
e59058c4 | 11452 | /** |
3621a710 | 11453 | * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending |
e59058c4 JS |
11454 | * @vport: Pointer to virtual port. |
11455 | * @tgt_id: SCSI ID of the target. | |
11456 | * @lun_id: LUN ID of the scsi device. | |
11457 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11458 | * | |
11459 | * This function returns number of FCP commands pending for the vport. | |
11460 | * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP | |
11461 | * commands pending on the vport associated with SCSI device specified | |
11462 | * by tgt_id and lun_id parameters. | |
11463 | * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP | |
11464 | * commands pending on the vport associated with SCSI target specified | |
11465 | * by tgt_id parameter. | |
11466 | * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP | |
11467 | * commands pending on the vport. | |
11468 | * This function returns the number of iocbs which satisfy the filter. | |
11469 | * This function is called without any lock held. | |
11470 | **/ | |
dea3101e | 11471 | int |
51ef4c26 JS |
11472 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
11473 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 11474 | { |
51ef4c26 | 11475 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
11476 | struct lpfc_iocbq *iocbq; |
11477 | int sum, i; | |
dea3101e | 11478 | |
31979008 | 11479 | spin_lock_irq(&phba->hbalock); |
0bd4ca25 JSEC |
11480 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
11481 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 11482 | |
51ef4c26 JS |
11483 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
11484 | ctx_cmd) == 0) | |
0bd4ca25 | 11485 | sum++; |
dea3101e | 11486 | } |
31979008 | 11487 | spin_unlock_irq(&phba->hbalock); |
0bd4ca25 | 11488 | |
dea3101e JB |
11489 | return sum; |
11490 | } | |
11491 | ||
e59058c4 | 11492 | /** |
3621a710 | 11493 | * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs |
e59058c4 JS |
11494 | * @phba: Pointer to HBA context object |
11495 | * @cmdiocb: Pointer to command iocb object. | |
11496 | * @rspiocb: Pointer to response iocb object. | |
11497 | * | |
11498 | * This function is called when an aborted FCP iocb completes. This | |
11499 | * function is called by the ring event handler with no lock held. | |
11500 | * This function frees the iocb. | |
11501 | **/ | |
5eb95af0 | 11502 | void |
2e0fef85 JS |
11503 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
11504 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 11505 | { |
cb69f7de | 11506 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
8e668af5 | 11507 | "3096 ABORT_XRI_CN completing on rpi x%x " |
cb69f7de JS |
11508 | "original iotag x%x, abort cmd iotag x%x " |
11509 | "status 0x%x, reason 0x%x\n", | |
11510 | cmdiocb->iocb.un.acxri.abortContextTag, | |
11511 | cmdiocb->iocb.un.acxri.abortIoTag, | |
11512 | cmdiocb->iotag, rspiocb->iocb.ulpStatus, | |
11513 | rspiocb->iocb.un.ulpWord[4]); | |
604a3e30 | 11514 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
11515 | return; |
11516 | } | |
11517 | ||
e59058c4 | 11518 | /** |
3621a710 | 11519 | * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN |
e59058c4 JS |
11520 | * @vport: Pointer to virtual port. |
11521 | * @pring: Pointer to driver SLI ring object. | |
11522 | * @tgt_id: SCSI ID of the target. | |
11523 | * @lun_id: LUN ID of the scsi device. | |
11524 | * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11525 | * | |
11526 | * This function sends an abort command for every SCSI command | |
11527 | * associated with the given virtual port pending on the ring | |
11528 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11529 | * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11530 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11531 | * parameters | |
11532 | * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11533 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11534 | * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11535 | * FCP iocbs associated with virtual port. | |
11536 | * This function returns number of iocbs it failed to abort. | |
11537 | * This function is called with no locks held. | |
11538 | **/ | |
dea3101e | 11539 | int |
51ef4c26 JS |
11540 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
11541 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 11542 | { |
51ef4c26 | 11543 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
11544 | struct lpfc_iocbq *iocbq; |
11545 | struct lpfc_iocbq *abtsiocb; | |
ecbb227e | 11546 | struct lpfc_sli_ring *pring_s4; |
dea3101e | 11547 | IOCB_t *cmd = NULL; |
dea3101e | 11548 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 11549 | int i; |
dea3101e | 11550 | |
b0e83012 | 11551 | /* all I/Os are in process of being flushed */ |
c00f62e6 | 11552 | if (phba->hba_flag & HBA_IOQ_FLUSH) |
b0e83012 JS |
11553 | return errcnt; |
11554 | ||
0bd4ca25 JSEC |
11555 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
11556 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 11557 | |
51ef4c26 | 11558 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 11559 | abort_cmd) != 0) |
dea3101e JB |
11560 | continue; |
11561 | ||
afbd8d88 JS |
11562 | /* |
11563 | * If the iocbq is already being aborted, don't take a second | |
11564 | * action, but do count it. | |
11565 | */ | |
11566 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
11567 | continue; | |
11568 | ||
dea3101e | 11569 | /* issue ABTS for this IOCB based on iotag */ |
0bd4ca25 | 11570 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
11571 | if (abtsiocb == NULL) { |
11572 | errcnt++; | |
11573 | continue; | |
11574 | } | |
dea3101e | 11575 | |
afbd8d88 JS |
11576 | /* indicate the IO is being aborted by the driver. */ |
11577 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11578 | ||
0bd4ca25 | 11579 | cmd = &iocbq->iocb; |
dea3101e JB |
11580 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
11581 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
da0436e9 JS |
11582 | if (phba->sli_rev == LPFC_SLI_REV4) |
11583 | abtsiocb->iocb.un.acxri.abortIoTag = iocbq->sli4_xritag; | |
11584 | else | |
11585 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
dea3101e JB |
11586 | abtsiocb->iocb.ulpLe = 1; |
11587 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
afbd8d88 | 11588 | abtsiocb->vport = vport; |
dea3101e | 11589 | |
5ffc266e | 11590 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 11591 | abtsiocb->hba_wqidx = iocbq->hba_wqidx; |
341af102 JS |
11592 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11593 | abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11594 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11595 | abtsiocb->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 11596 | |
2e0fef85 | 11597 | if (lpfc_is_link_up(phba)) |
dea3101e JB |
11598 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11599 | else | |
11600 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11601 | ||
5eb95af0 JSEC |
11602 | /* Setup callback routine and issue the command. */ |
11603 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
ecbb227e JS |
11604 | if (phba->sli_rev == LPFC_SLI_REV4) { |
11605 | pring_s4 = lpfc_sli4_calc_ring(phba, iocbq); | |
11606 | if (!pring_s4) | |
11607 | continue; | |
11608 | ret_val = lpfc_sli_issue_iocb(phba, pring_s4->ringno, | |
11609 | abtsiocb, 0); | |
11610 | } else | |
11611 | ret_val = lpfc_sli_issue_iocb(phba, pring->ringno, | |
11612 | abtsiocb, 0); | |
dea3101e | 11613 | if (ret_val == IOCB_ERROR) { |
604a3e30 | 11614 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e JB |
11615 | errcnt++; |
11616 | continue; | |
11617 | } | |
11618 | } | |
11619 | ||
11620 | return errcnt; | |
11621 | } | |
11622 | ||
98912dda JS |
11623 | /** |
11624 | * lpfc_sli_abort_taskmgmt - issue abort for all commands on a host/target/LUN | |
11625 | * @vport: Pointer to virtual port. | |
11626 | * @pring: Pointer to driver SLI ring object. | |
11627 | * @tgt_id: SCSI ID of the target. | |
11628 | * @lun_id: LUN ID of the scsi device. | |
11629 | * @taskmgmt_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11630 | * | |
11631 | * This function sends an abort command for every SCSI command | |
11632 | * associated with the given virtual port pending on the ring | |
11633 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11634 | * When taskmgmt_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11635 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11636 | * parameters | |
11637 | * When taskmgmt_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11638 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11639 | * When taskmgmt_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11640 | * FCP iocbs associated with virtual port. | |
11641 | * This function returns number of iocbs it aborted . | |
11642 | * This function is called with no locks held right after a taskmgmt | |
11643 | * command is sent. | |
11644 | **/ | |
11645 | int | |
11646 | lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, | |
11647 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd cmd) | |
11648 | { | |
11649 | struct lpfc_hba *phba = vport->phba; | |
c490850a | 11650 | struct lpfc_io_buf *lpfc_cmd; |
98912dda | 11651 | struct lpfc_iocbq *abtsiocbq; |
8c50d25c | 11652 | struct lpfc_nodelist *ndlp; |
98912dda JS |
11653 | struct lpfc_iocbq *iocbq; |
11654 | IOCB_t *icmd; | |
11655 | int sum, i, ret_val; | |
11656 | unsigned long iflags; | |
c2017260 | 11657 | struct lpfc_sli_ring *pring_s4 = NULL; |
98912dda | 11658 | |
59c68eaa | 11659 | spin_lock_irqsave(&phba->hbalock, iflags); |
98912dda JS |
11660 | |
11661 | /* all I/Os are in process of being flushed */ | |
c00f62e6 | 11662 | if (phba->hba_flag & HBA_IOQ_FLUSH) { |
59c68eaa | 11663 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
98912dda JS |
11664 | return 0; |
11665 | } | |
11666 | sum = 0; | |
11667 | ||
11668 | for (i = 1; i <= phba->sli.last_iotag; i++) { | |
11669 | iocbq = phba->sli.iocbq_lookup[i]; | |
11670 | ||
11671 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, | |
11672 | cmd) != 0) | |
11673 | continue; | |
11674 | ||
c2017260 JS |
11675 | /* Guard against IO completion being called at same time */ |
11676 | lpfc_cmd = container_of(iocbq, struct lpfc_io_buf, cur_iocbq); | |
11677 | spin_lock(&lpfc_cmd->buf_lock); | |
11678 | ||
11679 | if (!lpfc_cmd->pCmd) { | |
11680 | spin_unlock(&lpfc_cmd->buf_lock); | |
11681 | continue; | |
11682 | } | |
11683 | ||
11684 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
11685 | pring_s4 = | |
c00f62e6 | 11686 | phba->sli4_hba.hdwq[iocbq->hba_wqidx].io_wq->pring; |
c2017260 JS |
11687 | if (!pring_s4) { |
11688 | spin_unlock(&lpfc_cmd->buf_lock); | |
11689 | continue; | |
11690 | } | |
11691 | /* Note: both hbalock and ring_lock must be set here */ | |
11692 | spin_lock(&pring_s4->ring_lock); | |
11693 | } | |
11694 | ||
98912dda JS |
11695 | /* |
11696 | * If the iocbq is already being aborted, don't take a second | |
11697 | * action, but do count it. | |
11698 | */ | |
c2017260 JS |
11699 | if ((iocbq->iocb_flag & LPFC_DRIVER_ABORTED) || |
11700 | !(iocbq->iocb_flag & LPFC_IO_ON_TXCMPLQ)) { | |
11701 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11702 | spin_unlock(&pring_s4->ring_lock); | |
11703 | spin_unlock(&lpfc_cmd->buf_lock); | |
98912dda | 11704 | continue; |
c2017260 | 11705 | } |
98912dda JS |
11706 | |
11707 | /* issue ABTS for this IOCB based on iotag */ | |
11708 | abtsiocbq = __lpfc_sli_get_iocbq(phba); | |
c2017260 JS |
11709 | if (!abtsiocbq) { |
11710 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11711 | spin_unlock(&pring_s4->ring_lock); | |
11712 | spin_unlock(&lpfc_cmd->buf_lock); | |
98912dda | 11713 | continue; |
c2017260 | 11714 | } |
98912dda JS |
11715 | |
11716 | icmd = &iocbq->iocb; | |
11717 | abtsiocbq->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; | |
11718 | abtsiocbq->iocb.un.acxri.abortContextTag = icmd->ulpContext; | |
11719 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11720 | abtsiocbq->iocb.un.acxri.abortIoTag = | |
11721 | iocbq->sli4_xritag; | |
11722 | else | |
11723 | abtsiocbq->iocb.un.acxri.abortIoTag = icmd->ulpIoTag; | |
11724 | abtsiocbq->iocb.ulpLe = 1; | |
11725 | abtsiocbq->iocb.ulpClass = icmd->ulpClass; | |
11726 | abtsiocbq->vport = vport; | |
11727 | ||
11728 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
895427bd | 11729 | abtsiocbq->hba_wqidx = iocbq->hba_wqidx; |
98912dda JS |
11730 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11731 | abtsiocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11732 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11733 | abtsiocbq->iocb_flag |= LPFC_IO_FOF; | |
98912dda | 11734 | |
8c50d25c JS |
11735 | ndlp = lpfc_cmd->rdata->pnode; |
11736 | ||
11737 | if (lpfc_is_link_up(phba) && | |
11738 | (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE)) | |
98912dda JS |
11739 | abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11740 | else | |
11741 | abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11742 | ||
11743 | /* Setup callback routine and issue the command. */ | |
11744 | abtsiocbq->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
11745 | ||
11746 | /* | |
11747 | * Indicate the IO is being aborted by the driver and set | |
11748 | * the caller's flag into the aborted IO. | |
11749 | */ | |
11750 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11751 | ||
11752 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
98912dda JS |
11753 | ret_val = __lpfc_sli_issue_iocb(phba, pring_s4->ringno, |
11754 | abtsiocbq, 0); | |
59c68eaa | 11755 | spin_unlock(&pring_s4->ring_lock); |
98912dda JS |
11756 | } else { |
11757 | ret_val = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11758 | abtsiocbq, 0); | |
11759 | } | |
11760 | ||
c2017260 | 11761 | spin_unlock(&lpfc_cmd->buf_lock); |
98912dda JS |
11762 | |
11763 | if (ret_val == IOCB_ERROR) | |
11764 | __lpfc_sli_release_iocbq(phba, abtsiocbq); | |
11765 | else | |
11766 | sum++; | |
11767 | } | |
59c68eaa | 11768 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
98912dda JS |
11769 | return sum; |
11770 | } | |
11771 | ||
e59058c4 | 11772 | /** |
3621a710 | 11773 | * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler |
e59058c4 JS |
11774 | * @phba: Pointer to HBA context object. |
11775 | * @cmdiocbq: Pointer to command iocb. | |
11776 | * @rspiocbq: Pointer to response iocb. | |
11777 | * | |
11778 | * This function is the completion handler for iocbs issued using | |
11779 | * lpfc_sli_issue_iocb_wait function. This function is called by the | |
11780 | * ring event handler function without any lock held. This function | |
11781 | * can be called from both worker thread context and interrupt | |
11782 | * context. This function also can be called from other thread which | |
11783 | * cleans up the SLI layer objects. | |
11784 | * This function copy the contents of the response iocb to the | |
11785 | * response iocb memory object provided by the caller of | |
11786 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
11787 | * sleeps for the iocb completion. | |
11788 | **/ | |
68876920 JSEC |
11789 | static void |
11790 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
11791 | struct lpfc_iocbq *cmdiocbq, | |
11792 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 11793 | { |
68876920 JSEC |
11794 | wait_queue_head_t *pdone_q; |
11795 | unsigned long iflags; | |
c490850a | 11796 | struct lpfc_io_buf *lpfc_cmd; |
dea3101e | 11797 | |
2e0fef85 | 11798 | spin_lock_irqsave(&phba->hbalock, iflags); |
5a0916b4 JS |
11799 | if (cmdiocbq->iocb_flag & LPFC_IO_WAKE_TMO) { |
11800 | ||
11801 | /* | |
11802 | * A time out has occurred for the iocb. If a time out | |
11803 | * completion handler has been supplied, call it. Otherwise, | |
11804 | * just free the iocbq. | |
11805 | */ | |
11806 | ||
11807 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11808 | cmdiocbq->iocb_cmpl = cmdiocbq->wait_iocb_cmpl; | |
11809 | cmdiocbq->wait_iocb_cmpl = NULL; | |
11810 | if (cmdiocbq->iocb_cmpl) | |
11811 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, NULL); | |
11812 | else | |
11813 | lpfc_sli_release_iocbq(phba, cmdiocbq); | |
11814 | return; | |
11815 | } | |
11816 | ||
68876920 JSEC |
11817 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
11818 | if (cmdiocbq->context2 && rspiocbq) | |
11819 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
11820 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
11821 | ||
0f65ff68 JS |
11822 | /* Set the exchange busy flag for task management commands */ |
11823 | if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) && | |
11824 | !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) { | |
c490850a | 11825 | lpfc_cmd = container_of(cmdiocbq, struct lpfc_io_buf, |
0f65ff68 | 11826 | cur_iocbq); |
324e1c40 JS |
11827 | if (rspiocbq && (rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY)) |
11828 | lpfc_cmd->flags |= LPFC_SBUF_XBUSY; | |
11829 | else | |
11830 | lpfc_cmd->flags &= ~LPFC_SBUF_XBUSY; | |
0f65ff68 JS |
11831 | } |
11832 | ||
68876920 | 11833 | pdone_q = cmdiocbq->context_un.wait_queue; |
68876920 JSEC |
11834 | if (pdone_q) |
11835 | wake_up(pdone_q); | |
858c9f6c | 11836 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e JB |
11837 | return; |
11838 | } | |
11839 | ||
d11e31dd JS |
11840 | /** |
11841 | * lpfc_chk_iocb_flg - Test IOCB flag with lock held. | |
11842 | * @phba: Pointer to HBA context object.. | |
11843 | * @piocbq: Pointer to command iocb. | |
11844 | * @flag: Flag to test. | |
11845 | * | |
11846 | * This routine grabs the hbalock and then test the iocb_flag to | |
11847 | * see if the passed in flag is set. | |
11848 | * Returns: | |
11849 | * 1 if flag is set. | |
11850 | * 0 if flag is not set. | |
11851 | **/ | |
11852 | static int | |
11853 | lpfc_chk_iocb_flg(struct lpfc_hba *phba, | |
11854 | struct lpfc_iocbq *piocbq, uint32_t flag) | |
11855 | { | |
11856 | unsigned long iflags; | |
11857 | int ret; | |
11858 | ||
11859 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11860 | ret = piocbq->iocb_flag & flag; | |
11861 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11862 | return ret; | |
11863 | ||
11864 | } | |
11865 | ||
e59058c4 | 11866 | /** |
3621a710 | 11867 | * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands |
e59058c4 JS |
11868 | * @phba: Pointer to HBA context object.. |
11869 | * @pring: Pointer to sli ring. | |
11870 | * @piocb: Pointer to command iocb. | |
11871 | * @prspiocbq: Pointer to response iocb. | |
11872 | * @timeout: Timeout in number of seconds. | |
11873 | * | |
11874 | * This function issues the iocb to firmware and waits for the | |
5a0916b4 JS |
11875 | * iocb to complete. The iocb_cmpl field of the shall be used |
11876 | * to handle iocbs which time out. If the field is NULL, the | |
11877 | * function shall free the iocbq structure. If more clean up is | |
11878 | * needed, the caller is expected to provide a completion function | |
11879 | * that will provide the needed clean up. If the iocb command is | |
11880 | * not completed within timeout seconds, the function will either | |
11881 | * free the iocbq structure (if iocb_cmpl == NULL) or execute the | |
11882 | * completion function set in the iocb_cmpl field and then return | |
11883 | * a status of IOCB_TIMEDOUT. The caller should not free the iocb | |
11884 | * resources if this function returns IOCB_TIMEDOUT. | |
e59058c4 JS |
11885 | * The function waits for the iocb completion using an |
11886 | * non-interruptible wait. | |
11887 | * This function will sleep while waiting for iocb completion. | |
11888 | * So, this function should not be called from any context which | |
11889 | * does not allow sleeping. Due to the same reason, this function | |
11890 | * cannot be called with interrupt disabled. | |
11891 | * This function assumes that the iocb completions occur while | |
11892 | * this function sleep. So, this function cannot be called from | |
11893 | * the thread which process iocb completion for this ring. | |
11894 | * This function clears the iocb_flag of the iocb object before | |
11895 | * issuing the iocb and the iocb completion handler sets this | |
11896 | * flag and wakes this thread when the iocb completes. | |
11897 | * The contents of the response iocb will be copied to prspiocbq | |
11898 | * by the completion handler when the command completes. | |
11899 | * This function returns IOCB_SUCCESS when success. | |
11900 | * This function is called with no lock held. | |
11901 | **/ | |
dea3101e | 11902 | int |
2e0fef85 | 11903 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
da0436e9 | 11904 | uint32_t ring_number, |
2e0fef85 JS |
11905 | struct lpfc_iocbq *piocb, |
11906 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 11907 | uint32_t timeout) |
dea3101e | 11908 | { |
7259f0d0 | 11909 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
11910 | long timeleft, timeout_req = 0; |
11911 | int retval = IOCB_SUCCESS; | |
875fbdfe | 11912 | uint32_t creg_val; |
0e9bb8d7 JS |
11913 | struct lpfc_iocbq *iocb; |
11914 | int txq_cnt = 0; | |
11915 | int txcmplq_cnt = 0; | |
895427bd | 11916 | struct lpfc_sli_ring *pring; |
5a0916b4 JS |
11917 | unsigned long iflags; |
11918 | bool iocb_completed = true; | |
11919 | ||
895427bd JS |
11920 | if (phba->sli_rev >= LPFC_SLI_REV4) |
11921 | pring = lpfc_sli4_calc_ring(phba, piocb); | |
11922 | else | |
11923 | pring = &phba->sli.sli3_ring[ring_number]; | |
dea3101e | 11924 | /* |
68876920 JSEC |
11925 | * If the caller has provided a response iocbq buffer, then context2 |
11926 | * is NULL or its an error. | |
dea3101e | 11927 | */ |
68876920 JSEC |
11928 | if (prspiocbq) { |
11929 | if (piocb->context2) | |
11930 | return IOCB_ERROR; | |
11931 | piocb->context2 = prspiocbq; | |
dea3101e JB |
11932 | } |
11933 | ||
5a0916b4 | 11934 | piocb->wait_iocb_cmpl = piocb->iocb_cmpl; |
68876920 JSEC |
11935 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
11936 | piocb->context_un.wait_queue = &done_q; | |
5a0916b4 | 11937 | piocb->iocb_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO); |
dea3101e | 11938 | |
875fbdfe | 11939 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
11940 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
11941 | return IOCB_ERROR; | |
875fbdfe JSEC |
11942 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
11943 | writel(creg_val, phba->HCregaddr); | |
11944 | readl(phba->HCregaddr); /* flush */ | |
11945 | } | |
11946 | ||
2a9bf3d0 JS |
11947 | retval = lpfc_sli_issue_iocb(phba, ring_number, piocb, |
11948 | SLI_IOCB_RET_IOCB); | |
68876920 | 11949 | if (retval == IOCB_SUCCESS) { |
256ec0d0 | 11950 | timeout_req = msecs_to_jiffies(timeout * 1000); |
68876920 | 11951 | timeleft = wait_event_timeout(done_q, |
d11e31dd | 11952 | lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE), |
68876920 | 11953 | timeout_req); |
5a0916b4 JS |
11954 | spin_lock_irqsave(&phba->hbalock, iflags); |
11955 | if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { | |
11956 | ||
11957 | /* | |
11958 | * IOCB timed out. Inform the wake iocb wait | |
11959 | * completion function and set local status | |
11960 | */ | |
dea3101e | 11961 | |
5a0916b4 JS |
11962 | iocb_completed = false; |
11963 | piocb->iocb_flag |= LPFC_IO_WAKE_TMO; | |
11964 | } | |
11965 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11966 | if (iocb_completed) { | |
7054a606 | 11967 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 11968 | "0331 IOCB wake signaled\n"); |
53151bbb JS |
11969 | /* Note: we are not indicating if the IOCB has a success |
11970 | * status or not - that's for the caller to check. | |
11971 | * IOCB_SUCCESS means just that the command was sent and | |
11972 | * completed. Not that it completed successfully. | |
11973 | * */ | |
7054a606 | 11974 | } else if (timeleft == 0) { |
68876920 | 11975 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
11976 | "0338 IOCB wait timeout error - no " |
11977 | "wake response Data x%x\n", timeout); | |
68876920 | 11978 | retval = IOCB_TIMEDOUT; |
7054a606 | 11979 | } else { |
68876920 | 11980 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
11981 | "0330 IOCB wake NOT set, " |
11982 | "Data x%x x%lx\n", | |
68876920 JSEC |
11983 | timeout, (timeleft / jiffies)); |
11984 | retval = IOCB_TIMEDOUT; | |
dea3101e | 11985 | } |
2a9bf3d0 | 11986 | } else if (retval == IOCB_BUSY) { |
0e9bb8d7 JS |
11987 | if (phba->cfg_log_verbose & LOG_SLI) { |
11988 | list_for_each_entry(iocb, &pring->txq, list) { | |
11989 | txq_cnt++; | |
11990 | } | |
11991 | list_for_each_entry(iocb, &pring->txcmplq, list) { | |
11992 | txcmplq_cnt++; | |
11993 | } | |
11994 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
11995 | "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n", | |
11996 | phba->iocb_cnt, txq_cnt, txcmplq_cnt); | |
11997 | } | |
2a9bf3d0 | 11998 | return retval; |
68876920 JSEC |
11999 | } else { |
12000 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
d7c255b2 | 12001 | "0332 IOCB wait issue failed, Data x%x\n", |
e8b62011 | 12002 | retval); |
68876920 | 12003 | retval = IOCB_ERROR; |
dea3101e JB |
12004 | } |
12005 | ||
875fbdfe | 12006 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
12007 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
12008 | return IOCB_ERROR; | |
875fbdfe JSEC |
12009 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
12010 | writel(creg_val, phba->HCregaddr); | |
12011 | readl(phba->HCregaddr); /* flush */ | |
12012 | } | |
12013 | ||
68876920 JSEC |
12014 | if (prspiocbq) |
12015 | piocb->context2 = NULL; | |
12016 | ||
12017 | piocb->context_un.wait_queue = NULL; | |
12018 | piocb->iocb_cmpl = NULL; | |
dea3101e JB |
12019 | return retval; |
12020 | } | |
68876920 | 12021 | |
e59058c4 | 12022 | /** |
3621a710 | 12023 | * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox |
e59058c4 JS |
12024 | * @phba: Pointer to HBA context object. |
12025 | * @pmboxq: Pointer to driver mailbox object. | |
12026 | * @timeout: Timeout in number of seconds. | |
12027 | * | |
12028 | * This function issues the mailbox to firmware and waits for the | |
12029 | * mailbox command to complete. If the mailbox command is not | |
12030 | * completed within timeout seconds, it returns MBX_TIMEOUT. | |
12031 | * The function waits for the mailbox completion using an | |
12032 | * interruptible wait. If the thread is woken up due to a | |
12033 | * signal, MBX_TIMEOUT error is returned to the caller. Caller | |
12034 | * should not free the mailbox resources, if this function returns | |
12035 | * MBX_TIMEOUT. | |
12036 | * This function will sleep while waiting for mailbox completion. | |
12037 | * So, this function should not be called from any context which | |
12038 | * does not allow sleeping. Due to the same reason, this function | |
12039 | * cannot be called with interrupt disabled. | |
12040 | * This function assumes that the mailbox completion occurs while | |
12041 | * this function sleep. So, this function cannot be called from | |
12042 | * the worker thread which processes mailbox completion. | |
12043 | * This function is called in the context of HBA management | |
12044 | * applications. | |
12045 | * This function returns MBX_SUCCESS when successful. | |
12046 | * This function is called with no lock held. | |
12047 | **/ | |
dea3101e | 12048 | int |
2e0fef85 | 12049 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e JB |
12050 | uint32_t timeout) |
12051 | { | |
e29d74f8 | 12052 | struct completion mbox_done; |
dea3101e | 12053 | int retval; |
858c9f6c | 12054 | unsigned long flag; |
dea3101e | 12055 | |
495a714c | 12056 | pmboxq->mbox_flag &= ~LPFC_MBX_WAKE; |
dea3101e JB |
12057 | /* setup wake call as IOCB callback */ |
12058 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
dea3101e | 12059 | |
e29d74f8 JS |
12060 | /* setup context3 field to pass wait_queue pointer to wake function */ |
12061 | init_completion(&mbox_done); | |
12062 | pmboxq->context3 = &mbox_done; | |
dea3101e JB |
12063 | /* now issue the command */ |
12064 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
dea3101e | 12065 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
e29d74f8 JS |
12066 | wait_for_completion_timeout(&mbox_done, |
12067 | msecs_to_jiffies(timeout * 1000)); | |
7054a606 | 12068 | |
858c9f6c | 12069 | spin_lock_irqsave(&phba->hbalock, flag); |
e29d74f8 | 12070 | pmboxq->context3 = NULL; |
7054a606 JS |
12071 | /* |
12072 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
12073 | * else do not free the resources. | |
12074 | */ | |
d7c47992 | 12075 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) { |
dea3101e | 12076 | retval = MBX_SUCCESS; |
d7c47992 | 12077 | } else { |
7054a606 | 12078 | retval = MBX_TIMEOUT; |
858c9f6c JS |
12079 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
12080 | } | |
12081 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
dea3101e | 12082 | } |
dea3101e JB |
12083 | return retval; |
12084 | } | |
12085 | ||
e59058c4 | 12086 | /** |
3772a991 | 12087 | * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system |
e59058c4 JS |
12088 | * @phba: Pointer to HBA context. |
12089 | * | |
3772a991 JS |
12090 | * This function is called to shutdown the driver's mailbox sub-system. |
12091 | * It first marks the mailbox sub-system is in a block state to prevent | |
12092 | * the asynchronous mailbox command from issued off the pending mailbox | |
12093 | * command queue. If the mailbox command sub-system shutdown is due to | |
12094 | * HBA error conditions such as EEH or ERATT, this routine shall invoke | |
12095 | * the mailbox sub-system flush routine to forcefully bring down the | |
12096 | * mailbox sub-system. Otherwise, if it is due to normal condition (such | |
12097 | * as with offline or HBA function reset), this routine will wait for the | |
12098 | * outstanding mailbox command to complete before invoking the mailbox | |
12099 | * sub-system flush routine to gracefully bring down mailbox sub-system. | |
e59058c4 | 12100 | **/ |
3772a991 | 12101 | void |
618a5230 | 12102 | lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba, int mbx_action) |
b4c02652 | 12103 | { |
3772a991 | 12104 | struct lpfc_sli *psli = &phba->sli; |
3772a991 | 12105 | unsigned long timeout; |
b4c02652 | 12106 | |
618a5230 JS |
12107 | if (mbx_action == LPFC_MBX_NO_WAIT) { |
12108 | /* delay 100ms for port state */ | |
12109 | msleep(100); | |
12110 | lpfc_sli_mbox_sys_flush(phba); | |
12111 | return; | |
12112 | } | |
a183a15f | 12113 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; |
d7069f09 | 12114 | |
523128e5 JS |
12115 | /* Disable softirqs, including timers from obtaining phba->hbalock */ |
12116 | local_bh_disable(); | |
12117 | ||
3772a991 JS |
12118 | spin_lock_irq(&phba->hbalock); |
12119 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
b4c02652 | 12120 | |
3772a991 | 12121 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
3772a991 JS |
12122 | /* Determine how long we might wait for the active mailbox |
12123 | * command to be gracefully completed by firmware. | |
12124 | */ | |
a183a15f JS |
12125 | if (phba->sli.mbox_active) |
12126 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
12127 | phba->sli.mbox_active) * | |
12128 | 1000) + jiffies; | |
12129 | spin_unlock_irq(&phba->hbalock); | |
12130 | ||
523128e5 JS |
12131 | /* Enable softirqs again, done with phba->hbalock */ |
12132 | local_bh_enable(); | |
12133 | ||
3772a991 JS |
12134 | while (phba->sli.mbox_active) { |
12135 | /* Check active mailbox complete status every 2ms */ | |
12136 | msleep(2); | |
12137 | if (time_after(jiffies, timeout)) | |
12138 | /* Timeout, let the mailbox flush routine to | |
12139 | * forcefully release active mailbox command | |
12140 | */ | |
12141 | break; | |
12142 | } | |
523128e5 | 12143 | } else { |
d7069f09 JS |
12144 | spin_unlock_irq(&phba->hbalock); |
12145 | ||
523128e5 JS |
12146 | /* Enable softirqs again, done with phba->hbalock */ |
12147 | local_bh_enable(); | |
12148 | } | |
12149 | ||
3772a991 JS |
12150 | lpfc_sli_mbox_sys_flush(phba); |
12151 | } | |
ed957684 | 12152 | |
3772a991 JS |
12153 | /** |
12154 | * lpfc_sli_eratt_read - read sli-3 error attention events | |
12155 | * @phba: Pointer to HBA context. | |
12156 | * | |
12157 | * This function is called to read the SLI3 device error attention registers | |
12158 | * for possible error attention events. The caller must hold the hostlock | |
12159 | * with spin_lock_irq(). | |
12160 | * | |
25985edc | 12161 | * This function returns 1 when there is Error Attention in the Host Attention |
3772a991 JS |
12162 | * Register and returns 0 otherwise. |
12163 | **/ | |
12164 | static int | |
12165 | lpfc_sli_eratt_read(struct lpfc_hba *phba) | |
12166 | { | |
12167 | uint32_t ha_copy; | |
b4c02652 | 12168 | |
3772a991 | 12169 | /* Read chip Host Attention (HA) register */ |
9940b97b JS |
12170 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12171 | goto unplug_err; | |
12172 | ||
3772a991 JS |
12173 | if (ha_copy & HA_ERATT) { |
12174 | /* Read host status register to retrieve error event */ | |
9940b97b JS |
12175 | if (lpfc_sli_read_hs(phba)) |
12176 | goto unplug_err; | |
b4c02652 | 12177 | |
3772a991 JS |
12178 | /* Check if there is a deferred error condition is active */ |
12179 | if ((HS_FFER1 & phba->work_hs) && | |
12180 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 | 12181 | HS_FFER6 | HS_FFER7 | HS_FFER8) & phba->work_hs)) { |
3772a991 | 12182 | phba->hba_flag |= DEFER_ERATT; |
3772a991 JS |
12183 | /* Clear all interrupt enable conditions */ |
12184 | writel(0, phba->HCregaddr); | |
12185 | readl(phba->HCregaddr); | |
12186 | } | |
12187 | ||
12188 | /* Set the driver HA work bitmap */ | |
3772a991 JS |
12189 | phba->work_ha |= HA_ERATT; |
12190 | /* Indicate polling handles this ERATT */ | |
12191 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
3772a991 JS |
12192 | return 1; |
12193 | } | |
12194 | return 0; | |
9940b97b JS |
12195 | |
12196 | unplug_err: | |
12197 | /* Set the driver HS work bitmap */ | |
12198 | phba->work_hs |= UNPLUG_ERR; | |
12199 | /* Set the driver HA work bitmap */ | |
12200 | phba->work_ha |= HA_ERATT; | |
12201 | /* Indicate polling handles this ERATT */ | |
12202 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12203 | return 1; | |
b4c02652 JS |
12204 | } |
12205 | ||
da0436e9 JS |
12206 | /** |
12207 | * lpfc_sli4_eratt_read - read sli-4 error attention events | |
12208 | * @phba: Pointer to HBA context. | |
12209 | * | |
12210 | * This function is called to read the SLI4 device error attention registers | |
12211 | * for possible error attention events. The caller must hold the hostlock | |
12212 | * with spin_lock_irq(). | |
12213 | * | |
25985edc | 12214 | * This function returns 1 when there is Error Attention in the Host Attention |
da0436e9 JS |
12215 | * Register and returns 0 otherwise. |
12216 | **/ | |
12217 | static int | |
12218 | lpfc_sli4_eratt_read(struct lpfc_hba *phba) | |
12219 | { | |
12220 | uint32_t uerr_sta_hi, uerr_sta_lo; | |
2fcee4bf JS |
12221 | uint32_t if_type, portsmphr; |
12222 | struct lpfc_register portstat_reg; | |
da0436e9 | 12223 | |
2fcee4bf JS |
12224 | /* |
12225 | * For now, use the SLI4 device internal unrecoverable error | |
da0436e9 JS |
12226 | * registers for error attention. This can be changed later. |
12227 | */ | |
2fcee4bf JS |
12228 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
12229 | switch (if_type) { | |
12230 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9940b97b JS |
12231 | if (lpfc_readl(phba->sli4_hba.u.if_type0.UERRLOregaddr, |
12232 | &uerr_sta_lo) || | |
12233 | lpfc_readl(phba->sli4_hba.u.if_type0.UERRHIregaddr, | |
12234 | &uerr_sta_hi)) { | |
12235 | phba->work_hs |= UNPLUG_ERR; | |
12236 | phba->work_ha |= HA_ERATT; | |
12237 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12238 | return 1; | |
12239 | } | |
2fcee4bf JS |
12240 | if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || |
12241 | (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { | |
12242 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12243 | "1423 HBA Unrecoverable error: " | |
12244 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
12245 | "ue_mask_lo_reg=0x%x, " | |
12246 | "ue_mask_hi_reg=0x%x\n", | |
12247 | uerr_sta_lo, uerr_sta_hi, | |
12248 | phba->sli4_hba.ue_mask_lo, | |
12249 | phba->sli4_hba.ue_mask_hi); | |
12250 | phba->work_status[0] = uerr_sta_lo; | |
12251 | phba->work_status[1] = uerr_sta_hi; | |
12252 | phba->work_ha |= HA_ERATT; | |
12253 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12254 | return 1; | |
12255 | } | |
12256 | break; | |
12257 | case LPFC_SLI_INTF_IF_TYPE_2: | |
27d6ac0a | 12258 | case LPFC_SLI_INTF_IF_TYPE_6: |
9940b97b JS |
12259 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
12260 | &portstat_reg.word0) || | |
12261 | lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
12262 | &portsmphr)){ | |
12263 | phba->work_hs |= UNPLUG_ERR; | |
12264 | phba->work_ha |= HA_ERATT; | |
12265 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12266 | return 1; | |
12267 | } | |
2fcee4bf JS |
12268 | if (bf_get(lpfc_sliport_status_err, &portstat_reg)) { |
12269 | phba->work_status[0] = | |
12270 | readl(phba->sli4_hba.u.if_type2.ERR1regaddr); | |
12271 | phba->work_status[1] = | |
12272 | readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
12273 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2e90f4b5 | 12274 | "2885 Port Status Event: " |
2fcee4bf JS |
12275 | "port status reg 0x%x, " |
12276 | "port smphr reg 0x%x, " | |
12277 | "error 1=0x%x, error 2=0x%x\n", | |
12278 | portstat_reg.word0, | |
12279 | portsmphr, | |
12280 | phba->work_status[0], | |
12281 | phba->work_status[1]); | |
12282 | phba->work_ha |= HA_ERATT; | |
12283 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12284 | return 1; | |
12285 | } | |
12286 | break; | |
12287 | case LPFC_SLI_INTF_IF_TYPE_1: | |
12288 | default: | |
a747c9ce | 12289 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
12290 | "2886 HBA Error Attention on unsupported " |
12291 | "if type %d.", if_type); | |
a747c9ce | 12292 | return 1; |
da0436e9 | 12293 | } |
2fcee4bf | 12294 | |
da0436e9 JS |
12295 | return 0; |
12296 | } | |
12297 | ||
e59058c4 | 12298 | /** |
3621a710 | 12299 | * lpfc_sli_check_eratt - check error attention events |
9399627f JS |
12300 | * @phba: Pointer to HBA context. |
12301 | * | |
3772a991 | 12302 | * This function is called from timer soft interrupt context to check HBA's |
9399627f JS |
12303 | * error attention register bit for error attention events. |
12304 | * | |
25985edc | 12305 | * This function returns 1 when there is Error Attention in the Host Attention |
9399627f JS |
12306 | * Register and returns 0 otherwise. |
12307 | **/ | |
12308 | int | |
12309 | lpfc_sli_check_eratt(struct lpfc_hba *phba) | |
12310 | { | |
12311 | uint32_t ha_copy; | |
12312 | ||
12313 | /* If somebody is waiting to handle an eratt, don't process it | |
12314 | * here. The brdkill function will do this. | |
12315 | */ | |
12316 | if (phba->link_flag & LS_IGNORE_ERATT) | |
12317 | return 0; | |
12318 | ||
12319 | /* Check if interrupt handler handles this ERATT */ | |
12320 | spin_lock_irq(&phba->hbalock); | |
12321 | if (phba->hba_flag & HBA_ERATT_HANDLED) { | |
12322 | /* Interrupt handler has handled ERATT */ | |
12323 | spin_unlock_irq(&phba->hbalock); | |
12324 | return 0; | |
12325 | } | |
12326 | ||
a257bf90 JS |
12327 | /* |
12328 | * If there is deferred error attention, do not check for error | |
12329 | * attention | |
12330 | */ | |
12331 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
12332 | spin_unlock_irq(&phba->hbalock); | |
12333 | return 0; | |
12334 | } | |
12335 | ||
3772a991 JS |
12336 | /* If PCI channel is offline, don't process it */ |
12337 | if (unlikely(pci_channel_offline(phba->pcidev))) { | |
9399627f | 12338 | spin_unlock_irq(&phba->hbalock); |
3772a991 JS |
12339 | return 0; |
12340 | } | |
12341 | ||
12342 | switch (phba->sli_rev) { | |
12343 | case LPFC_SLI_REV2: | |
12344 | case LPFC_SLI_REV3: | |
12345 | /* Read chip Host Attention (HA) register */ | |
12346 | ha_copy = lpfc_sli_eratt_read(phba); | |
12347 | break; | |
da0436e9 | 12348 | case LPFC_SLI_REV4: |
2fcee4bf | 12349 | /* Read device Uncoverable Error (UERR) registers */ |
da0436e9 JS |
12350 | ha_copy = lpfc_sli4_eratt_read(phba); |
12351 | break; | |
3772a991 JS |
12352 | default: |
12353 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
12354 | "0299 Invalid SLI revision (%d)\n", | |
12355 | phba->sli_rev); | |
12356 | ha_copy = 0; | |
12357 | break; | |
9399627f JS |
12358 | } |
12359 | spin_unlock_irq(&phba->hbalock); | |
3772a991 JS |
12360 | |
12361 | return ha_copy; | |
12362 | } | |
12363 | ||
12364 | /** | |
12365 | * lpfc_intr_state_check - Check device state for interrupt handling | |
12366 | * @phba: Pointer to HBA context. | |
12367 | * | |
12368 | * This inline routine checks whether a device or its PCI slot is in a state | |
12369 | * that the interrupt should be handled. | |
12370 | * | |
12371 | * This function returns 0 if the device or the PCI slot is in a state that | |
12372 | * interrupt should be handled, otherwise -EIO. | |
12373 | */ | |
12374 | static inline int | |
12375 | lpfc_intr_state_check(struct lpfc_hba *phba) | |
12376 | { | |
12377 | /* If the pci channel is offline, ignore all the interrupts */ | |
12378 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
12379 | return -EIO; | |
12380 | ||
12381 | /* Update device level interrupt statistics */ | |
12382 | phba->sli.slistat.sli_intr++; | |
12383 | ||
12384 | /* Ignore all interrupts during initialization. */ | |
12385 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) | |
12386 | return -EIO; | |
12387 | ||
9399627f JS |
12388 | return 0; |
12389 | } | |
12390 | ||
12391 | /** | |
3772a991 | 12392 | * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device |
e59058c4 JS |
12393 | * @irq: Interrupt number. |
12394 | * @dev_id: The device context pointer. | |
12395 | * | |
9399627f | 12396 | * This function is directly called from the PCI layer as an interrupt |
3772a991 JS |
12397 | * service routine when device with SLI-3 interface spec is enabled with |
12398 | * MSI-X multi-message interrupt mode and there are slow-path events in | |
12399 | * the HBA. However, when the device is enabled with either MSI or Pin-IRQ | |
12400 | * interrupt mode, this function is called as part of the device-level | |
12401 | * interrupt handler. When the PCI slot is in error recovery or the HBA | |
12402 | * is undergoing initialization, the interrupt handler will not process | |
12403 | * the interrupt. The link attention and ELS ring attention events are | |
12404 | * handled by the worker thread. The interrupt handler signals the worker | |
12405 | * thread and returns for these events. This function is called without | |
12406 | * any lock held. It gets the hbalock to access and update SLI data | |
9399627f JS |
12407 | * structures. |
12408 | * | |
12409 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12410 | * returns IRQ_NONE. | |
e59058c4 | 12411 | **/ |
dea3101e | 12412 | irqreturn_t |
3772a991 | 12413 | lpfc_sli_sp_intr_handler(int irq, void *dev_id) |
dea3101e | 12414 | { |
2e0fef85 | 12415 | struct lpfc_hba *phba; |
a747c9ce | 12416 | uint32_t ha_copy, hc_copy; |
dea3101e JB |
12417 | uint32_t work_ha_copy; |
12418 | unsigned long status; | |
5b75da2f | 12419 | unsigned long iflag; |
dea3101e JB |
12420 | uint32_t control; |
12421 | ||
92d7f7b0 | 12422 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
12423 | struct lpfc_vport *vport; |
12424 | struct lpfc_nodelist *ndlp; | |
12425 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
12426 | LPFC_MBOXQ_t *pmb; |
12427 | int rc; | |
12428 | ||
dea3101e JB |
12429 | /* |
12430 | * Get the driver's phba structure from the dev_id and | |
12431 | * assume the HBA is not interrupting. | |
12432 | */ | |
9399627f | 12433 | phba = (struct lpfc_hba *)dev_id; |
dea3101e JB |
12434 | |
12435 | if (unlikely(!phba)) | |
12436 | return IRQ_NONE; | |
12437 | ||
dea3101e | 12438 | /* |
9399627f JS |
12439 | * Stuff needs to be attented to when this function is invoked as an |
12440 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
dea3101e | 12441 | */ |
9399627f | 12442 | if (phba->intr_type == MSIX) { |
3772a991 JS |
12443 | /* Check device state for handling interrupt */ |
12444 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12445 | return IRQ_NONE; |
12446 | /* Need to read HA REG for slow-path events */ | |
5b75da2f | 12447 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
12448 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12449 | goto unplug_error; | |
9399627f JS |
12450 | /* If somebody is waiting to handle an eratt don't process it |
12451 | * here. The brdkill function will do this. | |
12452 | */ | |
12453 | if (phba->link_flag & LS_IGNORE_ERATT) | |
12454 | ha_copy &= ~HA_ERATT; | |
12455 | /* Check the need for handling ERATT in interrupt handler */ | |
12456 | if (ha_copy & HA_ERATT) { | |
12457 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12458 | /* ERATT polling has handled ERATT */ | |
12459 | ha_copy &= ~HA_ERATT; | |
12460 | else | |
12461 | /* Indicate interrupt handler handles ERATT */ | |
12462 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12463 | } | |
a257bf90 JS |
12464 | |
12465 | /* | |
12466 | * If there is deferred error attention, do not check for any | |
12467 | * interrupt. | |
12468 | */ | |
12469 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12470 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12471 | return IRQ_NONE; |
12472 | } | |
12473 | ||
9399627f | 12474 | /* Clear up only attention source related to slow-path */ |
9940b97b JS |
12475 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
12476 | goto unplug_error; | |
12477 | ||
a747c9ce JS |
12478 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R2INT_ENA | |
12479 | HC_LAINT_ENA | HC_ERINT_ENA), | |
12480 | phba->HCregaddr); | |
9399627f JS |
12481 | writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), |
12482 | phba->HAregaddr); | |
a747c9ce | 12483 | writel(hc_copy, phba->HCregaddr); |
9399627f | 12484 | readl(phba->HAregaddr); /* flush */ |
5b75da2f | 12485 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12486 | } else |
12487 | ha_copy = phba->ha_copy; | |
dea3101e | 12488 | |
dea3101e JB |
12489 | work_ha_copy = ha_copy & phba->work_ha_mask; |
12490 | ||
9399627f | 12491 | if (work_ha_copy) { |
dea3101e JB |
12492 | if (work_ha_copy & HA_LATT) { |
12493 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
12494 | /* | |
12495 | * Turn off Link Attention interrupts | |
12496 | * until CLEAR_LA done | |
12497 | */ | |
5b75da2f | 12498 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12499 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
9940b97b JS |
12500 | if (lpfc_readl(phba->HCregaddr, &control)) |
12501 | goto unplug_error; | |
dea3101e JB |
12502 | control &= ~HC_LAINT_ENA; |
12503 | writel(control, phba->HCregaddr); | |
12504 | readl(phba->HCregaddr); /* flush */ | |
5b75da2f | 12505 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
12506 | } |
12507 | else | |
12508 | work_ha_copy &= ~HA_LATT; | |
12509 | } | |
12510 | ||
9399627f | 12511 | if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) { |
858c9f6c JS |
12512 | /* |
12513 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
12514 | * the only slow ring. | |
12515 | */ | |
12516 | status = (work_ha_copy & | |
12517 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
12518 | status >>= (4*LPFC_ELS_RING); | |
12519 | if (status & HA_RXMASK) { | |
5b75da2f | 12520 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
12521 | if (lpfc_readl(phba->HCregaddr, &control)) |
12522 | goto unplug_error; | |
a58cbd52 JS |
12523 | |
12524 | lpfc_debugfs_slow_ring_trc(phba, | |
12525 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
12526 | control, status, | |
12527 | (uint32_t)phba->sli.slistat.sli_intr); | |
12528 | ||
858c9f6c | 12529 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
12530 | lpfc_debugfs_slow_ring_trc(phba, |
12531 | "ISR Disable ring:" | |
12532 | "pwork:x%x hawork:x%x wait:x%x", | |
12533 | phba->work_ha, work_ha_copy, | |
12534 | (uint32_t)((unsigned long) | |
5e9d9b82 | 12535 | &phba->work_waitq)); |
a58cbd52 | 12536 | |
858c9f6c JS |
12537 | control &= |
12538 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e JB |
12539 | writel(control, phba->HCregaddr); |
12540 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 12541 | } |
a58cbd52 JS |
12542 | else { |
12543 | lpfc_debugfs_slow_ring_trc(phba, | |
12544 | "ISR slow ring: pwork:" | |
12545 | "x%x hawork:x%x wait:x%x", | |
12546 | phba->work_ha, work_ha_copy, | |
12547 | (uint32_t)((unsigned long) | |
5e9d9b82 | 12548 | &phba->work_waitq)); |
a58cbd52 | 12549 | } |
5b75da2f | 12550 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
12551 | } |
12552 | } | |
5b75da2f | 12553 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 | 12554 | if (work_ha_copy & HA_ERATT) { |
9940b97b JS |
12555 | if (lpfc_sli_read_hs(phba)) |
12556 | goto unplug_error; | |
a257bf90 JS |
12557 | /* |
12558 | * Check if there is a deferred error condition | |
12559 | * is active | |
12560 | */ | |
12561 | if ((HS_FFER1 & phba->work_hs) && | |
12562 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 JS |
12563 | HS_FFER6 | HS_FFER7 | HS_FFER8) & |
12564 | phba->work_hs)) { | |
a257bf90 JS |
12565 | phba->hba_flag |= DEFER_ERATT; |
12566 | /* Clear all interrupt enable conditions */ | |
12567 | writel(0, phba->HCregaddr); | |
12568 | readl(phba->HCregaddr); | |
12569 | } | |
12570 | } | |
12571 | ||
9399627f | 12572 | if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { |
92d7f7b0 | 12573 | pmb = phba->sli.mbox_active; |
04c68496 | 12574 | pmbox = &pmb->u.mb; |
34b02dcd | 12575 | mbox = phba->mbox; |
858c9f6c | 12576 | vport = pmb->vport; |
92d7f7b0 JS |
12577 | |
12578 | /* First check out the status word */ | |
12579 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
12580 | if (pmbox->mbxOwner != OWN_HOST) { | |
5b75da2f | 12581 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
92d7f7b0 JS |
12582 | /* |
12583 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
12584 | * mbxStatus <status> | |
12585 | */ | |
09372820 | 12586 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | |
92d7f7b0 | 12587 | LOG_SLI, |
e8b62011 | 12588 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
12589 | "Interrupt mbxCommand x%x " |
12590 | "mbxStatus x%x\n", | |
e8b62011 | 12591 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
12592 | pmbox->mbxCommand, |
12593 | pmbox->mbxStatus); | |
09372820 JS |
12594 | /* clear mailbox attention bit */ |
12595 | work_ha_copy &= ~HA_MBATT; | |
12596 | } else { | |
97eab634 | 12597 | phba->sli.mbox_active = NULL; |
5b75da2f | 12598 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
09372820 JS |
12599 | phba->last_completion_time = jiffies; |
12600 | del_timer(&phba->sli.mbox_tmo); | |
09372820 JS |
12601 | if (pmb->mbox_cmpl) { |
12602 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
12603 | MAILBOX_CMD_SIZE); | |
7a470277 | 12604 | if (pmb->out_ext_byte_len && |
3e1f0718 | 12605 | pmb->ctx_buf) |
7a470277 JS |
12606 | lpfc_sli_pcimem_bcopy( |
12607 | phba->mbox_ext, | |
3e1f0718 | 12608 | pmb->ctx_buf, |
7a470277 | 12609 | pmb->out_ext_byte_len); |
09372820 JS |
12610 | } |
12611 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
12612 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
12613 | ||
12614 | lpfc_debugfs_disc_trc(vport, | |
12615 | LPFC_DISC_TRC_MBOX_VPORT, | |
12616 | "MBOX dflt rpi: : " | |
12617 | "status:x%x rpi:x%x", | |
12618 | (uint32_t)pmbox->mbxStatus, | |
12619 | pmbox->un.varWords[0], 0); | |
12620 | ||
12621 | if (!pmbox->mbxStatus) { | |
12622 | mp = (struct lpfc_dmabuf *) | |
3e1f0718 | 12623 | (pmb->ctx_buf); |
09372820 | 12624 | ndlp = (struct lpfc_nodelist *) |
3e1f0718 | 12625 | pmb->ctx_ndlp; |
09372820 JS |
12626 | |
12627 | /* Reg_LOGIN of dflt RPI was | |
12628 | * successful. new lets get | |
12629 | * rid of the RPI using the | |
12630 | * same mbox buffer. | |
12631 | */ | |
12632 | lpfc_unreg_login(phba, | |
12633 | vport->vpi, | |
12634 | pmbox->un.varWords[0], | |
12635 | pmb); | |
12636 | pmb->mbox_cmpl = | |
12637 | lpfc_mbx_cmpl_dflt_rpi; | |
3e1f0718 JS |
12638 | pmb->ctx_buf = mp; |
12639 | pmb->ctx_ndlp = ndlp; | |
09372820 | 12640 | pmb->vport = vport; |
58da1ffb JS |
12641 | rc = lpfc_sli_issue_mbox(phba, |
12642 | pmb, | |
12643 | MBX_NOWAIT); | |
12644 | if (rc != MBX_BUSY) | |
12645 | lpfc_printf_log(phba, | |
12646 | KERN_ERR, | |
12647 | LOG_MBOX | LOG_SLI, | |
d7c255b2 | 12648 | "0350 rc should have" |
6a9c52cf | 12649 | "been MBX_BUSY\n"); |
3772a991 JS |
12650 | if (rc != MBX_NOT_FINISHED) |
12651 | goto send_current_mbox; | |
09372820 | 12652 | } |
858c9f6c | 12653 | } |
5b75da2f JS |
12654 | spin_lock_irqsave( |
12655 | &phba->pport->work_port_lock, | |
12656 | iflag); | |
09372820 JS |
12657 | phba->pport->work_port_events &= |
12658 | ~WORKER_MBOX_TMO; | |
5b75da2f JS |
12659 | spin_unlock_irqrestore( |
12660 | &phba->pport->work_port_lock, | |
12661 | iflag); | |
09372820 | 12662 | lpfc_mbox_cmpl_put(phba, pmb); |
858c9f6c | 12663 | } |
97eab634 | 12664 | } else |
5b75da2f | 12665 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f | 12666 | |
92d7f7b0 JS |
12667 | if ((work_ha_copy & HA_MBATT) && |
12668 | (phba->sli.mbox_active == NULL)) { | |
858c9f6c | 12669 | send_current_mbox: |
92d7f7b0 | 12670 | /* Process next mailbox command if there is one */ |
58da1ffb JS |
12671 | do { |
12672 | rc = lpfc_sli_issue_mbox(phba, NULL, | |
12673 | MBX_NOWAIT); | |
12674 | } while (rc == MBX_NOT_FINISHED); | |
12675 | if (rc != MBX_SUCCESS) | |
12676 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
12677 | LOG_SLI, "0349 rc should be " | |
6a9c52cf | 12678 | "MBX_SUCCESS\n"); |
92d7f7b0 JS |
12679 | } |
12680 | ||
5b75da2f | 12681 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12682 | phba->work_ha |= work_ha_copy; |
5b75da2f | 12683 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
5e9d9b82 | 12684 | lpfc_worker_wake_up(phba); |
dea3101e | 12685 | } |
9399627f | 12686 | return IRQ_HANDLED; |
9940b97b JS |
12687 | unplug_error: |
12688 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
12689 | return IRQ_HANDLED; | |
dea3101e | 12690 | |
3772a991 | 12691 | } /* lpfc_sli_sp_intr_handler */ |
9399627f JS |
12692 | |
12693 | /** | |
3772a991 | 12694 | * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device. |
9399627f JS |
12695 | * @irq: Interrupt number. |
12696 | * @dev_id: The device context pointer. | |
12697 | * | |
12698 | * This function is directly called from the PCI layer as an interrupt | |
3772a991 JS |
12699 | * service routine when device with SLI-3 interface spec is enabled with |
12700 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
12701 | * ring event in the HBA. However, when the device is enabled with either | |
12702 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
12703 | * device-level interrupt handler. When the PCI slot is in error recovery | |
12704 | * or the HBA is undergoing initialization, the interrupt handler will not | |
12705 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
12706 | * the intrrupt context. This function is called without any lock held. | |
12707 | * It gets the hbalock to access and update SLI data structures. | |
9399627f JS |
12708 | * |
12709 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12710 | * returns IRQ_NONE. | |
12711 | **/ | |
12712 | irqreturn_t | |
3772a991 | 12713 | lpfc_sli_fp_intr_handler(int irq, void *dev_id) |
9399627f JS |
12714 | { |
12715 | struct lpfc_hba *phba; | |
12716 | uint32_t ha_copy; | |
12717 | unsigned long status; | |
5b75da2f | 12718 | unsigned long iflag; |
895427bd | 12719 | struct lpfc_sli_ring *pring; |
9399627f JS |
12720 | |
12721 | /* Get the driver's phba structure from the dev_id and | |
12722 | * assume the HBA is not interrupting. | |
12723 | */ | |
12724 | phba = (struct lpfc_hba *) dev_id; | |
12725 | ||
12726 | if (unlikely(!phba)) | |
12727 | return IRQ_NONE; | |
12728 | ||
12729 | /* | |
12730 | * Stuff needs to be attented to when this function is invoked as an | |
12731 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
12732 | */ | |
12733 | if (phba->intr_type == MSIX) { | |
3772a991 JS |
12734 | /* Check device state for handling interrupt */ |
12735 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12736 | return IRQ_NONE; |
12737 | /* Need to read HA REG for FCP ring and other ring events */ | |
9940b97b JS |
12738 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12739 | return IRQ_HANDLED; | |
9399627f | 12740 | /* Clear up only attention source related to fast-path */ |
5b75da2f | 12741 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 JS |
12742 | /* |
12743 | * If there is deferred error attention, do not check for | |
12744 | * any interrupt. | |
12745 | */ | |
12746 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12747 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12748 | return IRQ_NONE; |
12749 | } | |
9399627f JS |
12750 | writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), |
12751 | phba->HAregaddr); | |
12752 | readl(phba->HAregaddr); /* flush */ | |
5b75da2f | 12753 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12754 | } else |
12755 | ha_copy = phba->ha_copy; | |
dea3101e JB |
12756 | |
12757 | /* | |
9399627f | 12758 | * Process all events on FCP ring. Take the optimized path for FCP IO. |
dea3101e | 12759 | */ |
9399627f JS |
12760 | ha_copy &= ~(phba->work_ha_mask); |
12761 | ||
12762 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
dea3101e | 12763 | status >>= (4*LPFC_FCP_RING); |
895427bd | 12764 | pring = &phba->sli.sli3_ring[LPFC_FCP_RING]; |
858c9f6c | 12765 | if (status & HA_RXMASK) |
895427bd | 12766 | lpfc_sli_handle_fast_ring_event(phba, pring, status); |
a4bc3379 JS |
12767 | |
12768 | if (phba->cfg_multi_ring_support == 2) { | |
12769 | /* | |
9399627f JS |
12770 | * Process all events on extra ring. Take the optimized path |
12771 | * for extra ring IO. | |
a4bc3379 | 12772 | */ |
9399627f | 12773 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
a4bc3379 | 12774 | status >>= (4*LPFC_EXTRA_RING); |
858c9f6c | 12775 | if (status & HA_RXMASK) { |
a4bc3379 | 12776 | lpfc_sli_handle_fast_ring_event(phba, |
895427bd | 12777 | &phba->sli.sli3_ring[LPFC_EXTRA_RING], |
a4bc3379 JS |
12778 | status); |
12779 | } | |
12780 | } | |
dea3101e | 12781 | return IRQ_HANDLED; |
3772a991 | 12782 | } /* lpfc_sli_fp_intr_handler */ |
9399627f JS |
12783 | |
12784 | /** | |
3772a991 | 12785 | * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device |
9399627f JS |
12786 | * @irq: Interrupt number. |
12787 | * @dev_id: The device context pointer. | |
12788 | * | |
3772a991 JS |
12789 | * This function is the HBA device-level interrupt handler to device with |
12790 | * SLI-3 interface spec, called from the PCI layer when either MSI or | |
12791 | * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which | |
12792 | * requires driver attention. This function invokes the slow-path interrupt | |
12793 | * attention handling function and fast-path interrupt attention handling | |
12794 | * function in turn to process the relevant HBA attention events. This | |
12795 | * function is called without any lock held. It gets the hbalock to access | |
12796 | * and update SLI data structures. | |
9399627f JS |
12797 | * |
12798 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
12799 | * returns IRQ_NONE. | |
12800 | **/ | |
12801 | irqreturn_t | |
3772a991 | 12802 | lpfc_sli_intr_handler(int irq, void *dev_id) |
9399627f JS |
12803 | { |
12804 | struct lpfc_hba *phba; | |
12805 | irqreturn_t sp_irq_rc, fp_irq_rc; | |
12806 | unsigned long status1, status2; | |
a747c9ce | 12807 | uint32_t hc_copy; |
9399627f JS |
12808 | |
12809 | /* | |
12810 | * Get the driver's phba structure from the dev_id and | |
12811 | * assume the HBA is not interrupting. | |
12812 | */ | |
12813 | phba = (struct lpfc_hba *) dev_id; | |
12814 | ||
12815 | if (unlikely(!phba)) | |
12816 | return IRQ_NONE; | |
12817 | ||
3772a991 JS |
12818 | /* Check device state for handling interrupt */ |
12819 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12820 | return IRQ_NONE; |
12821 | ||
12822 | spin_lock(&phba->hbalock); | |
9940b97b JS |
12823 | if (lpfc_readl(phba->HAregaddr, &phba->ha_copy)) { |
12824 | spin_unlock(&phba->hbalock); | |
12825 | return IRQ_HANDLED; | |
12826 | } | |
12827 | ||
9399627f JS |
12828 | if (unlikely(!phba->ha_copy)) { |
12829 | spin_unlock(&phba->hbalock); | |
12830 | return IRQ_NONE; | |
12831 | } else if (phba->ha_copy & HA_ERATT) { | |
12832 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12833 | /* ERATT polling has handled ERATT */ | |
12834 | phba->ha_copy &= ~HA_ERATT; | |
12835 | else | |
12836 | /* Indicate interrupt handler handles ERATT */ | |
12837 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12838 | } | |
12839 | ||
a257bf90 JS |
12840 | /* |
12841 | * If there is deferred error attention, do not check for any interrupt. | |
12842 | */ | |
12843 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
ec21b3b0 | 12844 | spin_unlock(&phba->hbalock); |
a257bf90 JS |
12845 | return IRQ_NONE; |
12846 | } | |
12847 | ||
9399627f | 12848 | /* Clear attention sources except link and error attentions */ |
9940b97b JS |
12849 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) { |
12850 | spin_unlock(&phba->hbalock); | |
12851 | return IRQ_HANDLED; | |
12852 | } | |
a747c9ce JS |
12853 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R0INT_ENA | HC_R1INT_ENA |
12854 | | HC_R2INT_ENA | HC_LAINT_ENA | HC_ERINT_ENA), | |
12855 | phba->HCregaddr); | |
9399627f | 12856 | writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
a747c9ce | 12857 | writel(hc_copy, phba->HCregaddr); |
9399627f JS |
12858 | readl(phba->HAregaddr); /* flush */ |
12859 | spin_unlock(&phba->hbalock); | |
12860 | ||
12861 | /* | |
12862 | * Invokes slow-path host attention interrupt handling as appropriate. | |
12863 | */ | |
12864 | ||
12865 | /* status of events with mailbox and link attention */ | |
12866 | status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT); | |
12867 | ||
12868 | /* status of events with ELS ring */ | |
12869 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
12870 | status2 >>= (4*LPFC_ELS_RING); | |
12871 | ||
12872 | if (status1 || (status2 & HA_RXMASK)) | |
3772a991 | 12873 | sp_irq_rc = lpfc_sli_sp_intr_handler(irq, dev_id); |
9399627f JS |
12874 | else |
12875 | sp_irq_rc = IRQ_NONE; | |
12876 | ||
12877 | /* | |
12878 | * Invoke fast-path host attention interrupt handling as appropriate. | |
12879 | */ | |
12880 | ||
12881 | /* status of events with FCP ring */ | |
12882 | status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
12883 | status1 >>= (4*LPFC_FCP_RING); | |
12884 | ||
12885 | /* status of events with extra ring */ | |
12886 | if (phba->cfg_multi_ring_support == 2) { | |
12887 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
12888 | status2 >>= (4*LPFC_EXTRA_RING); | |
12889 | } else | |
12890 | status2 = 0; | |
12891 | ||
12892 | if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK)) | |
3772a991 | 12893 | fp_irq_rc = lpfc_sli_fp_intr_handler(irq, dev_id); |
9399627f JS |
12894 | else |
12895 | fp_irq_rc = IRQ_NONE; | |
dea3101e | 12896 | |
9399627f JS |
12897 | /* Return device-level interrupt handling status */ |
12898 | return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc; | |
3772a991 | 12899 | } /* lpfc_sli_intr_handler */ |
4f774513 JS |
12900 | |
12901 | /** | |
4f774513 | 12902 | * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event |
4f774513 JS |
12903 | * @phba: pointer to lpfc hba data structure. |
12904 | * | |
12905 | * This routine is invoked by the worker thread to process all the pending | |
4f774513 | 12906 | * SLI4 els abort xri events. |
4f774513 | 12907 | **/ |
4f774513 | 12908 | void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba) |
4f774513 JS |
12909 | { |
12910 | struct lpfc_cq_event *cq_event; | |
12911 | ||
4f774513 | 12912 | /* First, declare the els xri abort event has been handled */ |
4f774513 | 12913 | spin_lock_irq(&phba->hbalock); |
4f774513 | 12914 | phba->hba_flag &= ~ELS_XRI_ABORT_EVENT; |
4f774513 | 12915 | spin_unlock_irq(&phba->hbalock); |
4f774513 JS |
12916 | /* Now, handle all the els xri abort events */ |
12917 | while (!list_empty(&phba->sli4_hba.sp_els_xri_aborted_work_queue)) { | |
12918 | /* Get the first event from the head of the event queue */ | |
12919 | spin_lock_irq(&phba->hbalock); | |
12920 | list_remove_head(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
12921 | cq_event, struct lpfc_cq_event, list); | |
12922 | spin_unlock_irq(&phba->hbalock); | |
12923 | /* Notify aborted XRI for ELS work queue */ | |
12924 | lpfc_sli4_els_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
12925 | /* Free the event processed back to the free pool */ | |
12926 | lpfc_sli4_cq_event_release(phba, cq_event); | |
12927 | } | |
12928 | } | |
12929 | ||
341af102 JS |
12930 | /** |
12931 | * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn | |
12932 | * @phba: pointer to lpfc hba data structure | |
12933 | * @pIocbIn: pointer to the rspiocbq | |
12934 | * @pIocbOut: pointer to the cmdiocbq | |
12935 | * @wcqe: pointer to the complete wcqe | |
12936 | * | |
12937 | * This routine transfers the fields of a command iocbq to a response iocbq | |
12938 | * by copying all the IOCB fields from command iocbq and transferring the | |
12939 | * completion status information from the complete wcqe. | |
12940 | **/ | |
4f774513 | 12941 | static void |
341af102 JS |
12942 | lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, |
12943 | struct lpfc_iocbq *pIocbIn, | |
4f774513 JS |
12944 | struct lpfc_iocbq *pIocbOut, |
12945 | struct lpfc_wcqe_complete *wcqe) | |
12946 | { | |
af22741c | 12947 | int numBdes, i; |
341af102 | 12948 | unsigned long iflags; |
af22741c JS |
12949 | uint32_t status, max_response; |
12950 | struct lpfc_dmabuf *dmabuf; | |
12951 | struct ulp_bde64 *bpl, bde; | |
4f774513 JS |
12952 | size_t offset = offsetof(struct lpfc_iocbq, iocb); |
12953 | ||
12954 | memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, | |
12955 | sizeof(struct lpfc_iocbq) - offset); | |
4f774513 | 12956 | /* Map WCQE parameters into irspiocb parameters */ |
acd6859b JS |
12957 | status = bf_get(lpfc_wcqe_c_status, wcqe); |
12958 | pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); | |
4f774513 JS |
12959 | if (pIocbOut->iocb_flag & LPFC_IO_FCP) |
12960 | if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) | |
12961 | pIocbIn->iocb.un.fcpi.fcpi_parm = | |
12962 | pIocbOut->iocb.un.fcpi.fcpi_parm - | |
12963 | wcqe->total_data_placed; | |
12964 | else | |
12965 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; | |
695a814e | 12966 | else { |
4f774513 | 12967 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; |
af22741c JS |
12968 | switch (pIocbOut->iocb.ulpCommand) { |
12969 | case CMD_ELS_REQUEST64_CR: | |
12970 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
12971 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
12972 | bde.tus.w = le32_to_cpu(bpl[1].tus.w); | |
12973 | max_response = bde.tus.f.bdeSize; | |
12974 | break; | |
12975 | case CMD_GEN_REQUEST64_CR: | |
12976 | max_response = 0; | |
12977 | if (!pIocbOut->context3) | |
12978 | break; | |
12979 | numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/ | |
12980 | sizeof(struct ulp_bde64); | |
12981 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
12982 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
12983 | for (i = 0; i < numBdes; i++) { | |
12984 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
12985 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) | |
12986 | max_response += bde.tus.f.bdeSize; | |
12987 | } | |
12988 | break; | |
12989 | default: | |
12990 | max_response = wcqe->total_data_placed; | |
12991 | break; | |
12992 | } | |
12993 | if (max_response < wcqe->total_data_placed) | |
12994 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response; | |
12995 | else | |
12996 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = | |
12997 | wcqe->total_data_placed; | |
695a814e | 12998 | } |
341af102 | 12999 | |
acd6859b JS |
13000 | /* Convert BG errors for completion status */ |
13001 | if (status == CQE_STATUS_DI_ERROR) { | |
13002 | pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
13003 | ||
13004 | if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) | |
13005 | pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; | |
13006 | else | |
13007 | pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; | |
13008 | ||
13009 | pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; | |
13010 | if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ | |
13011 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13012 | BGS_GUARD_ERR_MASK; | |
13013 | if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ | |
13014 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13015 | BGS_APPTAG_ERR_MASK; | |
13016 | if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ | |
13017 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13018 | BGS_REFTAG_ERR_MASK; | |
13019 | ||
13020 | /* Check to see if there was any good data before the error */ | |
13021 | if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { | |
13022 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13023 | BGS_HI_WATER_MARK_PRESENT_MASK; | |
13024 | pIocbIn->iocb.unsli3.sli3_bg.bghm = | |
13025 | wcqe->total_data_placed; | |
13026 | } | |
13027 | ||
13028 | /* | |
13029 | * Set ALL the error bits to indicate we don't know what | |
13030 | * type of error it is. | |
13031 | */ | |
13032 | if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) | |
13033 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
13034 | (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | | |
13035 | BGS_GUARD_ERR_MASK); | |
13036 | } | |
13037 | ||
341af102 JS |
13038 | /* Pick up HBA exchange busy condition */ |
13039 | if (bf_get(lpfc_wcqe_c_xb, wcqe)) { | |
13040 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13041 | pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY; | |
13042 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13043 | } | |
4f774513 JS |
13044 | } |
13045 | ||
45ed1190 JS |
13046 | /** |
13047 | * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe | |
13048 | * @phba: Pointer to HBA context object. | |
13049 | * @wcqe: Pointer to work-queue completion queue entry. | |
13050 | * | |
13051 | * This routine handles an ELS work-queue completion event and construct | |
13052 | * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common | |
13053 | * discovery engine to handle. | |
13054 | * | |
13055 | * Return: Pointer to the receive IOCBQ, NULL otherwise. | |
13056 | **/ | |
13057 | static struct lpfc_iocbq * | |
13058 | lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, | |
13059 | struct lpfc_iocbq *irspiocbq) | |
13060 | { | |
895427bd | 13061 | struct lpfc_sli_ring *pring; |
45ed1190 JS |
13062 | struct lpfc_iocbq *cmdiocbq; |
13063 | struct lpfc_wcqe_complete *wcqe; | |
13064 | unsigned long iflags; | |
13065 | ||
895427bd | 13066 | pring = lpfc_phba_elsring(phba); |
1234a6d5 DK |
13067 | if (unlikely(!pring)) |
13068 | return NULL; | |
895427bd | 13069 | |
45ed1190 | 13070 | wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl; |
45ed1190 JS |
13071 | pring->stats.iocb_event++; |
13072 | /* Look up the ELS command IOCB and create pseudo response IOCB */ | |
13073 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, | |
13074 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
45ed1190 JS |
13075 | if (unlikely(!cmdiocbq)) { |
13076 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13077 | "0386 ELS complete with no corresponding " | |
401bb416 DK |
13078 | "cmdiocb: 0x%x 0x%x 0x%x 0x%x\n", |
13079 | wcqe->word0, wcqe->total_data_placed, | |
13080 | wcqe->parameter, wcqe->word3); | |
45ed1190 JS |
13081 | lpfc_sli_release_iocbq(phba, irspiocbq); |
13082 | return NULL; | |
13083 | } | |
13084 | ||
e2a8be56 | 13085 | spin_lock_irqsave(&pring->ring_lock, iflags); |
401bb416 DK |
13086 | /* Put the iocb back on the txcmplq */ |
13087 | lpfc_sli_ringtxcmpl_put(phba, pring, cmdiocbq); | |
13088 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
13089 | ||
45ed1190 | 13090 | /* Fake the irspiocbq and copy necessary response information */ |
341af102 | 13091 | lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe); |
45ed1190 JS |
13092 | |
13093 | return irspiocbq; | |
13094 | } | |
13095 | ||
8a5ca109 JS |
13096 | inline struct lpfc_cq_event * |
13097 | lpfc_cq_event_setup(struct lpfc_hba *phba, void *entry, int size) | |
13098 | { | |
13099 | struct lpfc_cq_event *cq_event; | |
13100 | ||
13101 | /* Allocate a new internal CQ_EVENT entry */ | |
13102 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
13103 | if (!cq_event) { | |
13104 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13105 | "0602 Failed to alloc CQ_EVENT entry\n"); | |
13106 | return NULL; | |
13107 | } | |
13108 | ||
13109 | /* Move the CQE into the event */ | |
13110 | memcpy(&cq_event->cqe, entry, size); | |
13111 | return cq_event; | |
13112 | } | |
13113 | ||
04c68496 JS |
13114 | /** |
13115 | * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event | |
13116 | * @phba: Pointer to HBA context object. | |
13117 | * @cqe: Pointer to mailbox completion queue entry. | |
13118 | * | |
13119 | * This routine process a mailbox completion queue entry with asynchrous | |
13120 | * event. | |
13121 | * | |
13122 | * Return: true if work posted to worker thread, otherwise false. | |
13123 | **/ | |
13124 | static bool | |
13125 | lpfc_sli4_sp_handle_async_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
13126 | { | |
13127 | struct lpfc_cq_event *cq_event; | |
13128 | unsigned long iflags; | |
13129 | ||
13130 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13131 | "0392 Async Event: word0:x%x, word1:x%x, " | |
13132 | "word2:x%x, word3:x%x\n", mcqe->word0, | |
13133 | mcqe->mcqe_tag0, mcqe->mcqe_tag1, mcqe->trailer); | |
13134 | ||
8a5ca109 JS |
13135 | cq_event = lpfc_cq_event_setup(phba, mcqe, sizeof(struct lpfc_mcqe)); |
13136 | if (!cq_event) | |
04c68496 | 13137 | return false; |
04c68496 JS |
13138 | spin_lock_irqsave(&phba->hbalock, iflags); |
13139 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_asynce_work_queue); | |
13140 | /* Set the async event flag */ | |
13141 | phba->hba_flag |= ASYNC_EVENT; | |
13142 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13143 | ||
13144 | return true; | |
13145 | } | |
13146 | ||
13147 | /** | |
13148 | * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event | |
13149 | * @phba: Pointer to HBA context object. | |
13150 | * @cqe: Pointer to mailbox completion queue entry. | |
13151 | * | |
13152 | * This routine process a mailbox completion queue entry with mailbox | |
13153 | * completion event. | |
13154 | * | |
13155 | * Return: true if work posted to worker thread, otherwise false. | |
13156 | **/ | |
13157 | static bool | |
13158 | lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
13159 | { | |
13160 | uint32_t mcqe_status; | |
13161 | MAILBOX_t *mbox, *pmbox; | |
13162 | struct lpfc_mqe *mqe; | |
13163 | struct lpfc_vport *vport; | |
13164 | struct lpfc_nodelist *ndlp; | |
13165 | struct lpfc_dmabuf *mp; | |
13166 | unsigned long iflags; | |
13167 | LPFC_MBOXQ_t *pmb; | |
13168 | bool workposted = false; | |
13169 | int rc; | |
13170 | ||
13171 | /* If not a mailbox complete MCQE, out by checking mailbox consume */ | |
13172 | if (!bf_get(lpfc_trailer_completed, mcqe)) | |
13173 | goto out_no_mqe_complete; | |
13174 | ||
13175 | /* Get the reference to the active mbox command */ | |
13176 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13177 | pmb = phba->sli.mbox_active; | |
13178 | if (unlikely(!pmb)) { | |
13179 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
13180 | "1832 No pending MBOX command to handle\n"); | |
13181 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13182 | goto out_no_mqe_complete; | |
13183 | } | |
13184 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13185 | mqe = &pmb->u.mqe; | |
13186 | pmbox = (MAILBOX_t *)&pmb->u.mqe; | |
13187 | mbox = phba->mbox; | |
13188 | vport = pmb->vport; | |
13189 | ||
13190 | /* Reset heartbeat timer */ | |
13191 | phba->last_completion_time = jiffies; | |
13192 | del_timer(&phba->sli.mbox_tmo); | |
13193 | ||
13194 | /* Move mbox data to caller's mailbox region, do endian swapping */ | |
13195 | if (pmb->mbox_cmpl && mbox) | |
48f8fdb4 | 13196 | lpfc_sli4_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe)); |
04c68496 | 13197 | |
73d91e50 JS |
13198 | /* |
13199 | * For mcqe errors, conditionally move a modified error code to | |
13200 | * the mbox so that the error will not be missed. | |
13201 | */ | |
13202 | mcqe_status = bf_get(lpfc_mcqe_status, mcqe); | |
13203 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { | |
13204 | if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS) | |
13205 | bf_set(lpfc_mqe_status, mqe, | |
13206 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
13207 | } | |
04c68496 JS |
13208 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { |
13209 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
13210 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT, | |
13211 | "MBOX dflt rpi: status:x%x rpi:x%x", | |
13212 | mcqe_status, | |
13213 | pmbox->un.varWords[0], 0); | |
13214 | if (mcqe_status == MB_CQE_STATUS_SUCCESS) { | |
3e1f0718 JS |
13215 | mp = (struct lpfc_dmabuf *)(pmb->ctx_buf); |
13216 | ndlp = (struct lpfc_nodelist *)pmb->ctx_ndlp; | |
04c68496 JS |
13217 | /* Reg_LOGIN of dflt RPI was successful. Now lets get |
13218 | * RID of the PPI using the same mbox buffer. | |
13219 | */ | |
13220 | lpfc_unreg_login(phba, vport->vpi, | |
13221 | pmbox->un.varWords[0], pmb); | |
13222 | pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
3e1f0718 JS |
13223 | pmb->ctx_buf = mp; |
13224 | pmb->ctx_ndlp = ndlp; | |
04c68496 JS |
13225 | pmb->vport = vport; |
13226 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
13227 | if (rc != MBX_BUSY) | |
13228 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
13229 | LOG_SLI, "0385 rc should " | |
13230 | "have been MBX_BUSY\n"); | |
13231 | if (rc != MBX_NOT_FINISHED) | |
13232 | goto send_current_mbox; | |
13233 | } | |
13234 | } | |
13235 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
13236 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
13237 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
13238 | ||
13239 | /* There is mailbox completion work to do */ | |
13240 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13241 | __lpfc_mbox_cmpl_put(phba, pmb); | |
13242 | phba->work_ha |= HA_MBATT; | |
13243 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13244 | workposted = true; | |
13245 | ||
13246 | send_current_mbox: | |
13247 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13248 | /* Release the mailbox command posting token */ | |
13249 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
13250 | /* Setting active mailbox pointer need to be in sync to flag clear */ | |
13251 | phba->sli.mbox_active = NULL; | |
07b85824 JS |
13252 | if (bf_get(lpfc_trailer_consumed, mcqe)) |
13253 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
04c68496 JS |
13254 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13255 | /* Wake up worker thread to post the next pending mailbox command */ | |
13256 | lpfc_worker_wake_up(phba); | |
07b85824 JS |
13257 | return workposted; |
13258 | ||
04c68496 | 13259 | out_no_mqe_complete: |
07b85824 | 13260 | spin_lock_irqsave(&phba->hbalock, iflags); |
04c68496 JS |
13261 | if (bf_get(lpfc_trailer_consumed, mcqe)) |
13262 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
07b85824 JS |
13263 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13264 | return false; | |
04c68496 JS |
13265 | } |
13266 | ||
13267 | /** | |
13268 | * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry | |
13269 | * @phba: Pointer to HBA context object. | |
13270 | * @cqe: Pointer to mailbox completion queue entry. | |
13271 | * | |
13272 | * This routine process a mailbox completion queue entry, it invokes the | |
13273 | * proper mailbox complete handling or asynchrous event handling routine | |
13274 | * according to the MCQE's async bit. | |
13275 | * | |
13276 | * Return: true if work posted to worker thread, otherwise false. | |
13277 | **/ | |
13278 | static bool | |
32517fc0 JS |
13279 | lpfc_sli4_sp_handle_mcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
13280 | struct lpfc_cqe *cqe) | |
04c68496 JS |
13281 | { |
13282 | struct lpfc_mcqe mcqe; | |
13283 | bool workposted; | |
13284 | ||
32517fc0 JS |
13285 | cq->CQ_mbox++; |
13286 | ||
04c68496 | 13287 | /* Copy the mailbox MCQE and convert endian order as needed */ |
48f8fdb4 | 13288 | lpfc_sli4_pcimem_bcopy(cqe, &mcqe, sizeof(struct lpfc_mcqe)); |
04c68496 JS |
13289 | |
13290 | /* Invoke the proper event handling routine */ | |
13291 | if (!bf_get(lpfc_trailer_async, &mcqe)) | |
13292 | workposted = lpfc_sli4_sp_handle_mbox_event(phba, &mcqe); | |
13293 | else | |
13294 | workposted = lpfc_sli4_sp_handle_async_event(phba, &mcqe); | |
13295 | return workposted; | |
13296 | } | |
13297 | ||
4f774513 JS |
13298 | /** |
13299 | * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event | |
13300 | * @phba: Pointer to HBA context object. | |
2a76a283 | 13301 | * @cq: Pointer to associated CQ |
4f774513 JS |
13302 | * @wcqe: Pointer to work-queue completion queue entry. |
13303 | * | |
13304 | * This routine handles an ELS work-queue completion event. | |
13305 | * | |
13306 | * Return: true if work posted to worker thread, otherwise false. | |
13307 | **/ | |
13308 | static bool | |
2a76a283 | 13309 | lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13310 | struct lpfc_wcqe_complete *wcqe) |
13311 | { | |
4f774513 JS |
13312 | struct lpfc_iocbq *irspiocbq; |
13313 | unsigned long iflags; | |
2a76a283 | 13314 | struct lpfc_sli_ring *pring = cq->pring; |
0e9bb8d7 JS |
13315 | int txq_cnt = 0; |
13316 | int txcmplq_cnt = 0; | |
4f774513 | 13317 | |
11f0e34f JS |
13318 | /* Check for response status */ |
13319 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
13320 | /* Log the error status */ | |
13321 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13322 | "0357 ELS CQE error: status=x%x: " | |
13323 | "CQE: %08x %08x %08x %08x\n", | |
13324 | bf_get(lpfc_wcqe_c_status, wcqe), | |
13325 | wcqe->word0, wcqe->total_data_placed, | |
13326 | wcqe->parameter, wcqe->word3); | |
13327 | } | |
13328 | ||
45ed1190 | 13329 | /* Get an irspiocbq for later ELS response processing use */ |
4f774513 JS |
13330 | irspiocbq = lpfc_sli_get_iocbq(phba); |
13331 | if (!irspiocbq) { | |
0e9bb8d7 JS |
13332 | if (!list_empty(&pring->txq)) |
13333 | txq_cnt++; | |
13334 | if (!list_empty(&pring->txcmplq)) | |
13335 | txcmplq_cnt++; | |
4f774513 | 13336 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
2a9bf3d0 | 13337 | "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d " |
ff349bca | 13338 | "els_txcmplq_cnt=%d\n", |
0e9bb8d7 | 13339 | txq_cnt, phba->iocb_cnt, |
0e9bb8d7 | 13340 | txcmplq_cnt); |
45ed1190 | 13341 | return false; |
4f774513 | 13342 | } |
4f774513 | 13343 | |
45ed1190 JS |
13344 | /* Save off the slow-path queue event for work thread to process */ |
13345 | memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe)); | |
4f774513 | 13346 | spin_lock_irqsave(&phba->hbalock, iflags); |
4d9ab994 | 13347 | list_add_tail(&irspiocbq->cq_event.list, |
45ed1190 JS |
13348 | &phba->sli4_hba.sp_queue_event); |
13349 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
4f774513 | 13350 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
4f774513 | 13351 | |
45ed1190 | 13352 | return true; |
4f774513 JS |
13353 | } |
13354 | ||
13355 | /** | |
13356 | * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event | |
13357 | * @phba: Pointer to HBA context object. | |
13358 | * @wcqe: Pointer to work-queue completion queue entry. | |
13359 | * | |
3f8b6fb7 | 13360 | * This routine handles slow-path WQ entry consumed event by invoking the |
4f774513 JS |
13361 | * proper WQ release routine to the slow-path WQ. |
13362 | **/ | |
13363 | static void | |
13364 | lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba *phba, | |
13365 | struct lpfc_wcqe_release *wcqe) | |
13366 | { | |
2e90f4b5 JS |
13367 | /* sanity check on queue memory */ |
13368 | if (unlikely(!phba->sli4_hba.els_wq)) | |
13369 | return; | |
4f774513 JS |
13370 | /* Check for the slow-path ELS work queue */ |
13371 | if (bf_get(lpfc_wcqe_r_wq_id, wcqe) == phba->sli4_hba.els_wq->queue_id) | |
13372 | lpfc_sli4_wq_release(phba->sli4_hba.els_wq, | |
13373 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
13374 | else | |
13375 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13376 | "2579 Slow-path wqe consume event carries " | |
13377 | "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n", | |
13378 | bf_get(lpfc_wcqe_r_wqe_index, wcqe), | |
13379 | phba->sli4_hba.els_wq->queue_id); | |
13380 | } | |
13381 | ||
13382 | /** | |
13383 | * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event | |
13384 | * @phba: Pointer to HBA context object. | |
13385 | * @cq: Pointer to a WQ completion queue. | |
13386 | * @wcqe: Pointer to work-queue completion queue entry. | |
13387 | * | |
13388 | * This routine handles an XRI abort event. | |
13389 | * | |
13390 | * Return: true if work posted to worker thread, otherwise false. | |
13391 | **/ | |
13392 | static bool | |
13393 | lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba, | |
13394 | struct lpfc_queue *cq, | |
13395 | struct sli4_wcqe_xri_aborted *wcqe) | |
13396 | { | |
13397 | bool workposted = false; | |
13398 | struct lpfc_cq_event *cq_event; | |
13399 | unsigned long iflags; | |
13400 | ||
4f774513 | 13401 | switch (cq->subtype) { |
c00f62e6 JS |
13402 | case LPFC_IO: |
13403 | lpfc_sli4_io_xri_aborted(phba, wcqe, cq->hdwq); | |
13404 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { | |
13405 | /* Notify aborted XRI for NVME work queue */ | |
13406 | if (phba->nvmet_support) | |
13407 | lpfc_sli4_nvmet_xri_aborted(phba, wcqe); | |
13408 | } | |
5e5b511d | 13409 | workposted = false; |
4f774513 | 13410 | break; |
422c4cb7 | 13411 | case LPFC_NVME_LS: /* NVME LS uses ELS resources */ |
4f774513 | 13412 | case LPFC_ELS: |
8a5ca109 JS |
13413 | cq_event = lpfc_cq_event_setup( |
13414 | phba, wcqe, sizeof(struct sli4_wcqe_xri_aborted)); | |
13415 | if (!cq_event) | |
13416 | return false; | |
5e5b511d | 13417 | cq_event->hdwq = cq->hdwq; |
4f774513 JS |
13418 | spin_lock_irqsave(&phba->hbalock, iflags); |
13419 | list_add_tail(&cq_event->list, | |
13420 | &phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
13421 | /* Set the els xri abort event flag */ | |
13422 | phba->hba_flag |= ELS_XRI_ABORT_EVENT; | |
13423 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13424 | workposted = true; | |
13425 | break; | |
13426 | default: | |
13427 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
318083ad JS |
13428 | "0603 Invalid CQ subtype %d: " |
13429 | "%08x %08x %08x %08x\n", | |
13430 | cq->subtype, wcqe->word0, wcqe->parameter, | |
13431 | wcqe->word2, wcqe->word3); | |
4f774513 JS |
13432 | workposted = false; |
13433 | break; | |
13434 | } | |
13435 | return workposted; | |
13436 | } | |
13437 | ||
e817e5d7 JS |
13438 | #define FC_RCTL_MDS_DIAGS 0xF4 |
13439 | ||
4f774513 JS |
13440 | /** |
13441 | * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry | |
13442 | * @phba: Pointer to HBA context object. | |
13443 | * @rcqe: Pointer to receive-queue completion queue entry. | |
13444 | * | |
13445 | * This routine process a receive-queue completion queue entry. | |
13446 | * | |
13447 | * Return: true if work posted to worker thread, otherwise false. | |
13448 | **/ | |
13449 | static bool | |
4d9ab994 | 13450 | lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) |
4f774513 | 13451 | { |
4f774513 | 13452 | bool workposted = false; |
e817e5d7 | 13453 | struct fc_frame_header *fc_hdr; |
4f774513 JS |
13454 | struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; |
13455 | struct lpfc_queue *drq = phba->sli4_hba.dat_rq; | |
547077a4 | 13456 | struct lpfc_nvmet_tgtport *tgtp; |
4f774513 | 13457 | struct hbq_dmabuf *dma_buf; |
7851fe2c | 13458 | uint32_t status, rq_id; |
4f774513 JS |
13459 | unsigned long iflags; |
13460 | ||
2e90f4b5 JS |
13461 | /* sanity check on queue memory */ |
13462 | if (unlikely(!hrq) || unlikely(!drq)) | |
13463 | return workposted; | |
13464 | ||
7851fe2c JS |
13465 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) |
13466 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
13467 | else | |
13468 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
13469 | if (rq_id != hrq->queue_id) | |
4f774513 JS |
13470 | goto out; |
13471 | ||
4d9ab994 | 13472 | status = bf_get(lpfc_rcqe_status, rcqe); |
4f774513 JS |
13473 | switch (status) { |
13474 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
13475 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13476 | "2537 Receive Frame Truncated!!\n"); | |
5bd5f66c | 13477 | /* fall through */ |
4f774513 JS |
13478 | case FC_STATUS_RQ_SUCCESS: |
13479 | spin_lock_irqsave(&phba->hbalock, iflags); | |
cbc5de1b | 13480 | lpfc_sli4_rq_release(hrq, drq); |
4f774513 JS |
13481 | dma_buf = lpfc_sli_hbqbuf_get(&phba->hbqs[0].hbq_buffer_list); |
13482 | if (!dma_buf) { | |
b84daac9 | 13483 | hrq->RQ_no_buf_found++; |
4f774513 JS |
13484 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13485 | goto out; | |
13486 | } | |
b84daac9 | 13487 | hrq->RQ_rcv_buf++; |
547077a4 | 13488 | hrq->RQ_buf_posted--; |
4d9ab994 | 13489 | memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe)); |
895427bd | 13490 | |
e817e5d7 JS |
13491 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
13492 | ||
13493 | if (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS || | |
13494 | fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) { | |
13495 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13496 | /* Handle MDS Loopback frames */ | |
13497 | lpfc_sli4_handle_mds_loopback(phba->pport, dma_buf); | |
13498 | break; | |
13499 | } | |
13500 | ||
13501 | /* save off the frame for the work thread to process */ | |
4d9ab994 | 13502 | list_add_tail(&dma_buf->cq_event.list, |
45ed1190 | 13503 | &phba->sli4_hba.sp_queue_event); |
4f774513 | 13504 | /* Frame received */ |
45ed1190 | 13505 | phba->hba_flag |= HBA_SP_QUEUE_EVT; |
4f774513 JS |
13506 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
13507 | workposted = true; | |
13508 | break; | |
4f774513 | 13509 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
13510 | if (phba->nvmet_support) { |
13511 | tgtp = phba->targetport->private; | |
13512 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
13513 | "6402 RQE Error x%x, posted %d err_cnt " | |
13514 | "%d: %x %x %x\n", | |
13515 | status, hrq->RQ_buf_posted, | |
13516 | hrq->RQ_no_posted_buf, | |
13517 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
13518 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
13519 | atomic_read(&tgtp->xmt_fcp_release)); | |
13520 | } | |
13521 | /* fallthrough */ | |
13522 | ||
13523 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
b84daac9 | 13524 | hrq->RQ_no_posted_buf++; |
4f774513 JS |
13525 | /* Post more buffers if possible */ |
13526 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13527 | phba->hba_flag |= HBA_POST_RECEIVE_BUFFER; | |
13528 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13529 | workposted = true; | |
13530 | break; | |
13531 | } | |
13532 | out: | |
13533 | return workposted; | |
4f774513 JS |
13534 | } |
13535 | ||
4d9ab994 JS |
13536 | /** |
13537 | * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry | |
13538 | * @phba: Pointer to HBA context object. | |
13539 | * @cq: Pointer to the completion queue. | |
32517fc0 | 13540 | * @cqe: Pointer to a completion queue entry. |
4d9ab994 | 13541 | * |
25985edc | 13542 | * This routine process a slow-path work-queue or receive queue completion queue |
4d9ab994 JS |
13543 | * entry. |
13544 | * | |
13545 | * Return: true if work posted to worker thread, otherwise false. | |
13546 | **/ | |
13547 | static bool | |
13548 | lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13549 | struct lpfc_cqe *cqe) | |
13550 | { | |
45ed1190 | 13551 | struct lpfc_cqe cqevt; |
4d9ab994 JS |
13552 | bool workposted = false; |
13553 | ||
13554 | /* Copy the work queue CQE and convert endian order if needed */ | |
48f8fdb4 | 13555 | lpfc_sli4_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe)); |
4d9ab994 JS |
13556 | |
13557 | /* Check and process for different type of WCQE and dispatch */ | |
45ed1190 | 13558 | switch (bf_get(lpfc_cqe_code, &cqevt)) { |
4d9ab994 | 13559 | case CQE_CODE_COMPL_WQE: |
45ed1190 | 13560 | /* Process the WQ/RQ complete event */ |
bc73905a | 13561 | phba->last_completion_time = jiffies; |
2a76a283 | 13562 | workposted = lpfc_sli4_sp_handle_els_wcqe(phba, cq, |
45ed1190 | 13563 | (struct lpfc_wcqe_complete *)&cqevt); |
4d9ab994 JS |
13564 | break; |
13565 | case CQE_CODE_RELEASE_WQE: | |
13566 | /* Process the WQ release event */ | |
13567 | lpfc_sli4_sp_handle_rel_wcqe(phba, | |
45ed1190 | 13568 | (struct lpfc_wcqe_release *)&cqevt); |
4d9ab994 JS |
13569 | break; |
13570 | case CQE_CODE_XRI_ABORTED: | |
13571 | /* Process the WQ XRI abort event */ | |
bc73905a | 13572 | phba->last_completion_time = jiffies; |
4d9ab994 | 13573 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
45ed1190 | 13574 | (struct sli4_wcqe_xri_aborted *)&cqevt); |
4d9ab994 JS |
13575 | break; |
13576 | case CQE_CODE_RECEIVE: | |
7851fe2c | 13577 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 | 13578 | /* Process the RQ event */ |
bc73905a | 13579 | phba->last_completion_time = jiffies; |
4d9ab994 | 13580 | workposted = lpfc_sli4_sp_handle_rcqe(phba, |
45ed1190 | 13581 | (struct lpfc_rcqe *)&cqevt); |
4d9ab994 JS |
13582 | break; |
13583 | default: | |
13584 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13585 | "0388 Not a valid WCQE code: x%x\n", | |
45ed1190 | 13586 | bf_get(lpfc_cqe_code, &cqevt)); |
4d9ab994 JS |
13587 | break; |
13588 | } | |
13589 | return workposted; | |
13590 | } | |
13591 | ||
4f774513 JS |
13592 | /** |
13593 | * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry | |
13594 | * @phba: Pointer to HBA context object. | |
13595 | * @eqe: Pointer to fast-path event queue entry. | |
13596 | * | |
13597 | * This routine process a event queue entry from the slow-path event queue. | |
13598 | * It will check the MajorCode and MinorCode to determine this is for a | |
13599 | * completion event on a completion queue, if not, an error shall be logged | |
13600 | * and just return. Otherwise, it will get to the corresponding completion | |
13601 | * queue and process all the entries on that completion queue, rearm the | |
13602 | * completion queue, and then return. | |
13603 | * | |
13604 | **/ | |
f485c18d | 13605 | static void |
67d12733 JS |
13606 | lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
13607 | struct lpfc_queue *speq) | |
4f774513 | 13608 | { |
67d12733 | 13609 | struct lpfc_queue *cq = NULL, *childq; |
4f774513 JS |
13610 | uint16_t cqid; |
13611 | ||
4f774513 | 13612 | /* Get the reference to the corresponding CQ */ |
cb5172ea | 13613 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); |
4f774513 | 13614 | |
4f774513 JS |
13615 | list_for_each_entry(childq, &speq->child_list, list) { |
13616 | if (childq->queue_id == cqid) { | |
13617 | cq = childq; | |
13618 | break; | |
13619 | } | |
13620 | } | |
13621 | if (unlikely(!cq)) { | |
75baf696 JS |
13622 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
13623 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13624 | "0365 Slow-path CQ identifier " | |
13625 | "(%d) does not exist\n", cqid); | |
f485c18d | 13626 | return; |
4f774513 JS |
13627 | } |
13628 | ||
895427bd JS |
13629 | /* Save EQ associated with this CQ */ |
13630 | cq->assoc_qp = speq; | |
13631 | ||
6a828b0f | 13632 | if (!queue_work_on(cq->chann, phba->wq, &cq->spwork)) |
f485c18d DK |
13633 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
13634 | "0390 Cannot schedule soft IRQ " | |
13635 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
d6d189ce | 13636 | cqid, cq->queue_id, raw_smp_processor_id()); |
f485c18d DK |
13637 | } |
13638 | ||
13639 | /** | |
32517fc0 | 13640 | * __lpfc_sli4_process_cq - Process elements of a CQ |
f485c18d | 13641 | * @phba: Pointer to HBA context object. |
32517fc0 JS |
13642 | * @cq: Pointer to CQ to be processed |
13643 | * @handler: Routine to process each cqe | |
13644 | * @delay: Pointer to usdelay to set in case of rescheduling of the handler | |
f485c18d | 13645 | * |
32517fc0 JS |
13646 | * This routine processes completion queue entries in a CQ. While a valid |
13647 | * queue element is found, the handler is called. During processing checks | |
13648 | * are made for periodic doorbell writes to let the hardware know of | |
13649 | * element consumption. | |
13650 | * | |
13651 | * If the max limit on cqes to process is hit, or there are no more valid | |
13652 | * entries, the loop stops. If we processed a sufficient number of elements, | |
13653 | * meaning there is sufficient load, rather than rearming and generating | |
13654 | * another interrupt, a cq rescheduling delay will be set. A delay of 0 | |
13655 | * indicates no rescheduling. | |
f485c18d | 13656 | * |
32517fc0 | 13657 | * Returns True if work scheduled, False otherwise. |
f485c18d | 13658 | **/ |
32517fc0 JS |
13659 | static bool |
13660 | __lpfc_sli4_process_cq(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13661 | bool (*handler)(struct lpfc_hba *, struct lpfc_queue *, | |
13662 | struct lpfc_cqe *), unsigned long *delay) | |
f485c18d | 13663 | { |
f485c18d DK |
13664 | struct lpfc_cqe *cqe; |
13665 | bool workposted = false; | |
32517fc0 JS |
13666 | int count = 0, consumed = 0; |
13667 | bool arm = true; | |
13668 | ||
13669 | /* default - no reschedule */ | |
13670 | *delay = 0; | |
13671 | ||
13672 | if (cmpxchg(&cq->queue_claimed, 0, 1) != 0) | |
13673 | goto rearm_and_exit; | |
f485c18d | 13674 | |
4f774513 | 13675 | /* Process all the entries to the CQ */ |
d74a89aa | 13676 | cq->q_flag = 0; |
32517fc0 JS |
13677 | cqe = lpfc_sli4_cq_get(cq); |
13678 | while (cqe) { | |
32517fc0 JS |
13679 | workposted |= handler(phba, cq, cqe); |
13680 | __lpfc_sli4_consume_cqe(phba, cq, cqe); | |
13681 | ||
13682 | consumed++; | |
13683 | if (!(++count % cq->max_proc_limit)) | |
13684 | break; | |
13685 | ||
13686 | if (!(count % cq->notify_interval)) { | |
13687 | phba->sli4_hba.sli4_write_cq_db(phba, cq, consumed, | |
13688 | LPFC_QUEUE_NOARM); | |
13689 | consumed = 0; | |
8156d378 | 13690 | cq->assoc_qp->q_flag |= HBA_EQ_DELAY_CHK; |
32517fc0 JS |
13691 | } |
13692 | ||
d74a89aa JS |
13693 | if (count == LPFC_NVMET_CQ_NOTIFY) |
13694 | cq->q_flag |= HBA_NVMET_CQ_NOTIFY; | |
13695 | ||
32517fc0 JS |
13696 | cqe = lpfc_sli4_cq_get(cq); |
13697 | } | |
13698 | if (count >= phba->cfg_cq_poll_threshold) { | |
13699 | *delay = 1; | |
13700 | arm = false; | |
13701 | } | |
13702 | ||
13703 | /* Track the max number of CQEs processed in 1 EQ */ | |
13704 | if (count > cq->CQ_max_cqe) | |
13705 | cq->CQ_max_cqe = count; | |
13706 | ||
13707 | cq->assoc_qp->EQ_cqe_cnt += count; | |
13708 | ||
13709 | /* Catch the no cq entry condition */ | |
13710 | if (unlikely(count == 0)) | |
13711 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
13712 | "0369 No entry from completion queue " | |
13713 | "qid=%d\n", cq->queue_id); | |
13714 | ||
13715 | cq->queue_claimed = 0; | |
13716 | ||
13717 | rearm_and_exit: | |
13718 | phba->sli4_hba.sli4_write_cq_db(phba, cq, consumed, | |
13719 | arm ? LPFC_QUEUE_REARM : LPFC_QUEUE_NOARM); | |
13720 | ||
13721 | return workposted; | |
13722 | } | |
13723 | ||
13724 | /** | |
13725 | * lpfc_sli4_sp_process_cq - Process a slow-path event queue entry | |
13726 | * @cq: pointer to CQ to process | |
13727 | * | |
13728 | * This routine calls the cq processing routine with a handler specific | |
13729 | * to the type of queue bound to it. | |
13730 | * | |
13731 | * The CQ routine returns two values: the first is the calling status, | |
13732 | * which indicates whether work was queued to the background discovery | |
13733 | * thread. If true, the routine should wakeup the discovery thread; | |
13734 | * the second is the delay parameter. If non-zero, rather than rearming | |
13735 | * the CQ and yet another interrupt, the CQ handler should be queued so | |
13736 | * that it is processed in a subsequent polling action. The value of | |
13737 | * the delay indicates when to reschedule it. | |
13738 | **/ | |
13739 | static void | |
13740 | __lpfc_sli4_sp_process_cq(struct lpfc_queue *cq) | |
13741 | { | |
13742 | struct lpfc_hba *phba = cq->phba; | |
13743 | unsigned long delay; | |
13744 | bool workposted = false; | |
13745 | ||
13746 | /* Process and rearm the CQ */ | |
4f774513 JS |
13747 | switch (cq->type) { |
13748 | case LPFC_MCQ: | |
32517fc0 JS |
13749 | workposted |= __lpfc_sli4_process_cq(phba, cq, |
13750 | lpfc_sli4_sp_handle_mcqe, | |
13751 | &delay); | |
4f774513 JS |
13752 | break; |
13753 | case LPFC_WCQ: | |
c00f62e6 | 13754 | if (cq->subtype == LPFC_IO) |
32517fc0 JS |
13755 | workposted |= __lpfc_sli4_process_cq(phba, cq, |
13756 | lpfc_sli4_fp_handle_cqe, | |
13757 | &delay); | |
13758 | else | |
13759 | workposted |= __lpfc_sli4_process_cq(phba, cq, | |
13760 | lpfc_sli4_sp_handle_cqe, | |
13761 | &delay); | |
4f774513 JS |
13762 | break; |
13763 | default: | |
13764 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13765 | "0370 Invalid completion queue type (%d)\n", | |
13766 | cq->type); | |
f485c18d | 13767 | return; |
4f774513 JS |
13768 | } |
13769 | ||
32517fc0 JS |
13770 | if (delay) { |
13771 | if (!queue_delayed_work_on(cq->chann, phba->wq, | |
13772 | &cq->sched_spwork, delay)) | |
13773 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13774 | "0394 Cannot schedule soft IRQ " | |
13775 | "for cqid=%d on CPU %d\n", | |
13776 | cq->queue_id, cq->chann); | |
13777 | } | |
4f774513 JS |
13778 | |
13779 | /* wake up worker thread if there are works to be done */ | |
13780 | if (workposted) | |
13781 | lpfc_worker_wake_up(phba); | |
13782 | } | |
13783 | ||
32517fc0 JS |
13784 | /** |
13785 | * lpfc_sli4_sp_process_cq - slow-path work handler when started by | |
13786 | * interrupt | |
13787 | * @work: pointer to work element | |
13788 | * | |
13789 | * translates from the work handler and calls the slow-path handler. | |
13790 | **/ | |
13791 | static void | |
13792 | lpfc_sli4_sp_process_cq(struct work_struct *work) | |
13793 | { | |
13794 | struct lpfc_queue *cq = container_of(work, struct lpfc_queue, spwork); | |
13795 | ||
13796 | __lpfc_sli4_sp_process_cq(cq); | |
13797 | } | |
13798 | ||
13799 | /** | |
13800 | * lpfc_sli4_dly_sp_process_cq - slow-path work handler when started by timer | |
13801 | * @work: pointer to work element | |
13802 | * | |
13803 | * translates from the work handler and calls the slow-path handler. | |
13804 | **/ | |
13805 | static void | |
13806 | lpfc_sli4_dly_sp_process_cq(struct work_struct *work) | |
13807 | { | |
13808 | struct lpfc_queue *cq = container_of(to_delayed_work(work), | |
13809 | struct lpfc_queue, sched_spwork); | |
13810 | ||
13811 | __lpfc_sli4_sp_process_cq(cq); | |
13812 | } | |
13813 | ||
4f774513 JS |
13814 | /** |
13815 | * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry | |
2a76a283 JS |
13816 | * @phba: Pointer to HBA context object. |
13817 | * @cq: Pointer to associated CQ | |
13818 | * @wcqe: Pointer to work-queue completion queue entry. | |
4f774513 JS |
13819 | * |
13820 | * This routine process a fast-path work queue completion entry from fast-path | |
13821 | * event queue for FCP command response completion. | |
13822 | **/ | |
13823 | static void | |
2a76a283 | 13824 | lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13825 | struct lpfc_wcqe_complete *wcqe) |
13826 | { | |
2a76a283 | 13827 | struct lpfc_sli_ring *pring = cq->pring; |
4f774513 JS |
13828 | struct lpfc_iocbq *cmdiocbq; |
13829 | struct lpfc_iocbq irspiocbq; | |
13830 | unsigned long iflags; | |
13831 | ||
4f774513 JS |
13832 | /* Check for response status */ |
13833 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
13834 | /* If resource errors reported from HBA, reduce queue | |
13835 | * depth of the SCSI device. | |
13836 | */ | |
e3d2b802 JS |
13837 | if (((bf_get(lpfc_wcqe_c_status, wcqe) == |
13838 | IOSTAT_LOCAL_REJECT)) && | |
13839 | ((wcqe->parameter & IOERR_PARAM_MASK) == | |
13840 | IOERR_NO_RESOURCES)) | |
4f774513 | 13841 | phba->lpfc_rampdown_queue_depth(phba); |
e3d2b802 | 13842 | |
4f774513 | 13843 | /* Log the error status */ |
11f0e34f JS |
13844 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
13845 | "0373 FCP CQE error: status=x%x: " | |
13846 | "CQE: %08x %08x %08x %08x\n", | |
4f774513 | 13847 | bf_get(lpfc_wcqe_c_status, wcqe), |
11f0e34f JS |
13848 | wcqe->word0, wcqe->total_data_placed, |
13849 | wcqe->parameter, wcqe->word3); | |
4f774513 JS |
13850 | } |
13851 | ||
13852 | /* Look up the FCP command IOCB and create pseudo response IOCB */ | |
7e56aa25 JS |
13853 | spin_lock_irqsave(&pring->ring_lock, iflags); |
13854 | pring->stats.iocb_event++; | |
e2a8be56 | 13855 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
4f774513 JS |
13856 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, |
13857 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
4f774513 JS |
13858 | if (unlikely(!cmdiocbq)) { |
13859 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13860 | "0374 FCP complete with no corresponding " | |
13861 | "cmdiocb: iotag (%d)\n", | |
13862 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13863 | return; | |
13864 | } | |
c8a4ce0b DK |
13865 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
13866 | cmdiocbq->isr_timestamp = cq->isr_timestamp; | |
13867 | #endif | |
895427bd JS |
13868 | if (cmdiocbq->iocb_cmpl == NULL) { |
13869 | if (cmdiocbq->wqe_cmpl) { | |
13870 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { | |
13871 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13872 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13873 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13874 | } | |
13875 | ||
13876 | /* Pass the cmd_iocb and the wcqe to the upper layer */ | |
13877 | (cmdiocbq->wqe_cmpl)(phba, cmdiocbq, wcqe); | |
13878 | return; | |
13879 | } | |
4f774513 JS |
13880 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
13881 | "0375 FCP cmdiocb not callback function " | |
13882 | "iotag: (%d)\n", | |
13883 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13884 | return; | |
13885 | } | |
13886 | ||
13887 | /* Fake the irspiocb and copy necessary response information */ | |
341af102 | 13888 | lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe); |
4f774513 | 13889 | |
0f65ff68 JS |
13890 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { |
13891 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13892 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13893 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13894 | } | |
13895 | ||
4f774513 JS |
13896 | /* Pass the cmd_iocb and the rsp state to the upper layer */ |
13897 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq); | |
13898 | } | |
13899 | ||
13900 | /** | |
13901 | * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event | |
13902 | * @phba: Pointer to HBA context object. | |
13903 | * @cq: Pointer to completion queue. | |
13904 | * @wcqe: Pointer to work-queue completion queue entry. | |
13905 | * | |
3f8b6fb7 | 13906 | * This routine handles an fast-path WQ entry consumed event by invoking the |
4f774513 JS |
13907 | * proper WQ release routine to the slow-path WQ. |
13908 | **/ | |
13909 | static void | |
13910 | lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13911 | struct lpfc_wcqe_release *wcqe) | |
13912 | { | |
13913 | struct lpfc_queue *childwq; | |
13914 | bool wqid_matched = false; | |
895427bd | 13915 | uint16_t hba_wqid; |
4f774513 JS |
13916 | |
13917 | /* Check for fast-path FCP work queue release */ | |
895427bd | 13918 | hba_wqid = bf_get(lpfc_wcqe_r_wq_id, wcqe); |
4f774513 | 13919 | list_for_each_entry(childwq, &cq->child_list, list) { |
895427bd | 13920 | if (childwq->queue_id == hba_wqid) { |
4f774513 JS |
13921 | lpfc_sli4_wq_release(childwq, |
13922 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
6e8e1c14 JS |
13923 | if (childwq->q_flag & HBA_NVMET_WQFULL) |
13924 | lpfc_nvmet_wqfull_process(phba, childwq); | |
4f774513 JS |
13925 | wqid_matched = true; |
13926 | break; | |
13927 | } | |
13928 | } | |
13929 | /* Report warning log message if no match found */ | |
13930 | if (wqid_matched != true) | |
13931 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13932 | "2580 Fast-path wqe consume event carries " | |
895427bd | 13933 | "miss-matched qid: wcqe-qid=x%x\n", hba_wqid); |
4f774513 JS |
13934 | } |
13935 | ||
13936 | /** | |
2d7dbc4c JS |
13937 | * lpfc_sli4_nvmet_handle_rcqe - Process a receive-queue completion queue entry |
13938 | * @phba: Pointer to HBA context object. | |
13939 | * @rcqe: Pointer to receive-queue completion queue entry. | |
4f774513 | 13940 | * |
2d7dbc4c JS |
13941 | * This routine process a receive-queue completion queue entry. |
13942 | * | |
13943 | * Return: true if work posted to worker thread, otherwise false. | |
13944 | **/ | |
13945 | static bool | |
13946 | lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13947 | struct lpfc_rcqe *rcqe) | |
13948 | { | |
13949 | bool workposted = false; | |
13950 | struct lpfc_queue *hrq; | |
13951 | struct lpfc_queue *drq; | |
13952 | struct rqb_dmabuf *dma_buf; | |
13953 | struct fc_frame_header *fc_hdr; | |
547077a4 | 13954 | struct lpfc_nvmet_tgtport *tgtp; |
2d7dbc4c JS |
13955 | uint32_t status, rq_id; |
13956 | unsigned long iflags; | |
13957 | uint32_t fctl, idx; | |
13958 | ||
13959 | if ((phba->nvmet_support == 0) || | |
13960 | (phba->sli4_hba.nvmet_cqset == NULL)) | |
13961 | return workposted; | |
13962 | ||
13963 | idx = cq->queue_id - phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
13964 | hrq = phba->sli4_hba.nvmet_mrq_hdr[idx]; | |
13965 | drq = phba->sli4_hba.nvmet_mrq_data[idx]; | |
13966 | ||
13967 | /* sanity check on queue memory */ | |
13968 | if (unlikely(!hrq) || unlikely(!drq)) | |
13969 | return workposted; | |
13970 | ||
13971 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) | |
13972 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
13973 | else | |
13974 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
13975 | ||
13976 | if ((phba->nvmet_support == 0) || | |
13977 | (rq_id != hrq->queue_id)) | |
13978 | return workposted; | |
13979 | ||
13980 | status = bf_get(lpfc_rcqe_status, rcqe); | |
13981 | switch (status) { | |
13982 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
13983 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13984 | "6126 Receive Frame Truncated!!\n"); | |
5bd5f66c | 13985 | /* fall through */ |
2d7dbc4c | 13986 | case FC_STATUS_RQ_SUCCESS: |
2d7dbc4c | 13987 | spin_lock_irqsave(&phba->hbalock, iflags); |
cbc5de1b | 13988 | lpfc_sli4_rq_release(hrq, drq); |
2d7dbc4c JS |
13989 | dma_buf = lpfc_sli_rqbuf_get(phba, hrq); |
13990 | if (!dma_buf) { | |
13991 | hrq->RQ_no_buf_found++; | |
13992 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13993 | goto out; | |
13994 | } | |
13995 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13996 | hrq->RQ_rcv_buf++; | |
547077a4 | 13997 | hrq->RQ_buf_posted--; |
2d7dbc4c JS |
13998 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
13999 | ||
14000 | /* Just some basic sanity checks on FCP Command frame */ | |
14001 | fctl = (fc_hdr->fh_f_ctl[0] << 16 | | |
14002 | fc_hdr->fh_f_ctl[1] << 8 | | |
14003 | fc_hdr->fh_f_ctl[2]); | |
14004 | if (((fctl & | |
14005 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) != | |
14006 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) || | |
14007 | (fc_hdr->fh_seq_cnt != 0)) /* 0 byte swapped is still 0 */ | |
14008 | goto drop; | |
14009 | ||
14010 | if (fc_hdr->fh_type == FC_TYPE_FCP) { | |
d74a89aa | 14011 | dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe); |
d613b6a7 | 14012 | lpfc_nvmet_unsol_fcp_event( |
d74a89aa JS |
14013 | phba, idx, dma_buf, cq->isr_timestamp, |
14014 | cq->q_flag & HBA_NVMET_CQ_NOTIFY); | |
2d7dbc4c JS |
14015 | return false; |
14016 | } | |
14017 | drop: | |
22b738ac | 14018 | lpfc_rq_buf_free(phba, &dma_buf->hbuf); |
2d7dbc4c | 14019 | break; |
2d7dbc4c | 14020 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
14021 | if (phba->nvmet_support) { |
14022 | tgtp = phba->targetport->private; | |
14023 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
14024 | "6401 RQE Error x%x, posted %d err_cnt " | |
14025 | "%d: %x %x %x\n", | |
14026 | status, hrq->RQ_buf_posted, | |
14027 | hrq->RQ_no_posted_buf, | |
14028 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
14029 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
14030 | atomic_read(&tgtp->xmt_fcp_release)); | |
14031 | } | |
14032 | /* fallthrough */ | |
14033 | ||
14034 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
2d7dbc4c JS |
14035 | hrq->RQ_no_posted_buf++; |
14036 | /* Post more buffers if possible */ | |
2d7dbc4c JS |
14037 | break; |
14038 | } | |
14039 | out: | |
14040 | return workposted; | |
14041 | } | |
14042 | ||
4f774513 | 14043 | /** |
895427bd | 14044 | * lpfc_sli4_fp_handle_cqe - Process fast-path work queue completion entry |
32517fc0 | 14045 | * @phba: adapter with cq |
4f774513 JS |
14046 | * @cq: Pointer to the completion queue. |
14047 | * @eqe: Pointer to fast-path completion queue entry. | |
14048 | * | |
14049 | * This routine process a fast-path work queue completion entry from fast-path | |
14050 | * event queue for FCP command response completion. | |
32517fc0 JS |
14051 | * |
14052 | * Return: true if work posted to worker thread, otherwise false. | |
4f774513 | 14053 | **/ |
32517fc0 | 14054 | static bool |
895427bd | 14055 | lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
14056 | struct lpfc_cqe *cqe) |
14057 | { | |
14058 | struct lpfc_wcqe_release wcqe; | |
14059 | bool workposted = false; | |
14060 | ||
14061 | /* Copy the work queue CQE and convert endian order if needed */ | |
48f8fdb4 | 14062 | lpfc_sli4_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe)); |
4f774513 JS |
14063 | |
14064 | /* Check and process for different type of WCQE and dispatch */ | |
14065 | switch (bf_get(lpfc_wcqe_c_code, &wcqe)) { | |
14066 | case CQE_CODE_COMPL_WQE: | |
895427bd | 14067 | case CQE_CODE_NVME_ERSP: |
b84daac9 | 14068 | cq->CQ_wq++; |
4f774513 | 14069 | /* Process the WQ complete event */ |
98fc5dd9 | 14070 | phba->last_completion_time = jiffies; |
c00f62e6 | 14071 | if (cq->subtype == LPFC_IO || cq->subtype == LPFC_NVME_LS) |
895427bd | 14072 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, |
4f774513 JS |
14073 | (struct lpfc_wcqe_complete *)&wcqe); |
14074 | break; | |
14075 | case CQE_CODE_RELEASE_WQE: | |
b84daac9 | 14076 | cq->CQ_release_wqe++; |
4f774513 JS |
14077 | /* Process the WQ release event */ |
14078 | lpfc_sli4_fp_handle_rel_wcqe(phba, cq, | |
14079 | (struct lpfc_wcqe_release *)&wcqe); | |
14080 | break; | |
14081 | case CQE_CODE_XRI_ABORTED: | |
b84daac9 | 14082 | cq->CQ_xri_aborted++; |
4f774513 | 14083 | /* Process the WQ XRI abort event */ |
bc73905a | 14084 | phba->last_completion_time = jiffies; |
4f774513 JS |
14085 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
14086 | (struct sli4_wcqe_xri_aborted *)&wcqe); | |
14087 | break; | |
895427bd JS |
14088 | case CQE_CODE_RECEIVE_V1: |
14089 | case CQE_CODE_RECEIVE: | |
14090 | phba->last_completion_time = jiffies; | |
2d7dbc4c JS |
14091 | if (cq->subtype == LPFC_NVMET) { |
14092 | workposted = lpfc_sli4_nvmet_handle_rcqe( | |
14093 | phba, cq, (struct lpfc_rcqe *)&wcqe); | |
14094 | } | |
895427bd | 14095 | break; |
4f774513 JS |
14096 | default: |
14097 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 14098 | "0144 Not a valid CQE code: x%x\n", |
4f774513 JS |
14099 | bf_get(lpfc_wcqe_c_code, &wcqe)); |
14100 | break; | |
14101 | } | |
14102 | return workposted; | |
14103 | } | |
14104 | ||
14105 | /** | |
67d12733 | 14106 | * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry |
4f774513 JS |
14107 | * @phba: Pointer to HBA context object. |
14108 | * @eqe: Pointer to fast-path event queue entry. | |
14109 | * | |
14110 | * This routine process a event queue entry from the fast-path event queue. | |
14111 | * It will check the MajorCode and MinorCode to determine this is for a | |
14112 | * completion event on a completion queue, if not, an error shall be logged | |
14113 | * and just return. Otherwise, it will get to the corresponding completion | |
14114 | * queue and process all the entries on the completion queue, rearm the | |
14115 | * completion queue, and then return. | |
14116 | **/ | |
f485c18d | 14117 | static void |
32517fc0 JS |
14118 | lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_queue *eq, |
14119 | struct lpfc_eqe *eqe) | |
4f774513 | 14120 | { |
895427bd | 14121 | struct lpfc_queue *cq = NULL; |
32517fc0 | 14122 | uint32_t qidx = eq->hdwq; |
2d7dbc4c | 14123 | uint16_t cqid, id; |
4f774513 | 14124 | |
cb5172ea | 14125 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { |
4f774513 | 14126 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
67d12733 | 14127 | "0366 Not a valid completion " |
4f774513 | 14128 | "event: majorcode=x%x, minorcode=x%x\n", |
cb5172ea JS |
14129 | bf_get_le32(lpfc_eqe_major_code, eqe), |
14130 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
f485c18d | 14131 | return; |
4f774513 JS |
14132 | } |
14133 | ||
67d12733 JS |
14134 | /* Get the reference to the corresponding CQ */ |
14135 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
14136 | ||
6a828b0f JS |
14137 | /* Use the fast lookup method first */ |
14138 | if (cqid <= phba->sli4_hba.cq_max) { | |
14139 | cq = phba->sli4_hba.cq_lookup[cqid]; | |
14140 | if (cq) | |
14141 | goto work_cq; | |
cdb42bec JS |
14142 | } |
14143 | ||
14144 | /* Next check for NVMET completion */ | |
2d7dbc4c JS |
14145 | if (phba->cfg_nvmet_mrq && phba->sli4_hba.nvmet_cqset) { |
14146 | id = phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
14147 | if ((cqid >= id) && (cqid < (id + phba->cfg_nvmet_mrq))) { | |
14148 | /* Process NVMET unsol rcv */ | |
14149 | cq = phba->sli4_hba.nvmet_cqset[cqid - id]; | |
14150 | goto process_cq; | |
14151 | } | |
67d12733 JS |
14152 | } |
14153 | ||
895427bd JS |
14154 | if (phba->sli4_hba.nvmels_cq && |
14155 | (cqid == phba->sli4_hba.nvmels_cq->queue_id)) { | |
14156 | /* Process NVME unsol rcv */ | |
14157 | cq = phba->sli4_hba.nvmels_cq; | |
14158 | } | |
14159 | ||
14160 | /* Otherwise this is a Slow path event */ | |
14161 | if (cq == NULL) { | |
cdb42bec JS |
14162 | lpfc_sli4_sp_handle_eqe(phba, eqe, |
14163 | phba->sli4_hba.hdwq[qidx].hba_eq); | |
f485c18d | 14164 | return; |
4f774513 JS |
14165 | } |
14166 | ||
895427bd | 14167 | process_cq: |
4f774513 JS |
14168 | if (unlikely(cqid != cq->queue_id)) { |
14169 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14170 | "0368 Miss-matched fast-path completion " | |
14171 | "queue identifier: eqcqid=%d, fcpcqid=%d\n", | |
14172 | cqid, cq->queue_id); | |
f485c18d | 14173 | return; |
4f774513 JS |
14174 | } |
14175 | ||
6a828b0f | 14176 | work_cq: |
d74a89aa JS |
14177 | #if defined(CONFIG_SCSI_LPFC_DEBUG_FS) |
14178 | if (phba->ktime_on) | |
14179 | cq->isr_timestamp = ktime_get_ns(); | |
14180 | else | |
14181 | cq->isr_timestamp = 0; | |
14182 | #endif | |
45aa312e | 14183 | if (!queue_work_on(cq->chann, phba->wq, &cq->irqwork)) |
f485c18d DK |
14184 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
14185 | "0363 Cannot schedule soft IRQ " | |
14186 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
d6d189ce | 14187 | cqid, cq->queue_id, raw_smp_processor_id()); |
f485c18d DK |
14188 | } |
14189 | ||
14190 | /** | |
32517fc0 JS |
14191 | * __lpfc_sli4_hba_process_cq - Process a fast-path event queue entry |
14192 | * @cq: Pointer to CQ to be processed | |
f485c18d | 14193 | * |
32517fc0 JS |
14194 | * This routine calls the cq processing routine with the handler for |
14195 | * fast path CQEs. | |
14196 | * | |
14197 | * The CQ routine returns two values: the first is the calling status, | |
14198 | * which indicates whether work was queued to the background discovery | |
14199 | * thread. If true, the routine should wakeup the discovery thread; | |
14200 | * the second is the delay parameter. If non-zero, rather than rearming | |
14201 | * the CQ and yet another interrupt, the CQ handler should be queued so | |
14202 | * that it is processed in a subsequent polling action. The value of | |
14203 | * the delay indicates when to reschedule it. | |
f485c18d DK |
14204 | **/ |
14205 | static void | |
32517fc0 | 14206 | __lpfc_sli4_hba_process_cq(struct lpfc_queue *cq) |
f485c18d | 14207 | { |
f485c18d | 14208 | struct lpfc_hba *phba = cq->phba; |
32517fc0 | 14209 | unsigned long delay; |
f485c18d | 14210 | bool workposted = false; |
f485c18d | 14211 | |
32517fc0 JS |
14212 | /* process and rearm the CQ */ |
14213 | workposted |= __lpfc_sli4_process_cq(phba, cq, lpfc_sli4_fp_handle_cqe, | |
14214 | &delay); | |
4f774513 | 14215 | |
32517fc0 JS |
14216 | if (delay) { |
14217 | if (!queue_delayed_work_on(cq->chann, phba->wq, | |
14218 | &cq->sched_irqwork, delay)) | |
14219 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14220 | "0367 Cannot schedule soft IRQ " | |
14221 | "for cqid=%d on CPU %d\n", | |
14222 | cq->queue_id, cq->chann); | |
14223 | } | |
4f774513 JS |
14224 | |
14225 | /* wake up worker thread if there are works to be done */ | |
14226 | if (workposted) | |
14227 | lpfc_worker_wake_up(phba); | |
14228 | } | |
14229 | ||
1ba981fd | 14230 | /** |
32517fc0 JS |
14231 | * lpfc_sli4_hba_process_cq - fast-path work handler when started by |
14232 | * interrupt | |
14233 | * @work: pointer to work element | |
1ba981fd | 14234 | * |
32517fc0 | 14235 | * translates from the work handler and calls the fast-path handler. |
1ba981fd JS |
14236 | **/ |
14237 | static void | |
32517fc0 | 14238 | lpfc_sli4_hba_process_cq(struct work_struct *work) |
1ba981fd | 14239 | { |
32517fc0 | 14240 | struct lpfc_queue *cq = container_of(work, struct lpfc_queue, irqwork); |
1ba981fd | 14241 | |
32517fc0 | 14242 | __lpfc_sli4_hba_process_cq(cq); |
1ba981fd JS |
14243 | } |
14244 | ||
14245 | /** | |
32517fc0 JS |
14246 | * lpfc_sli4_hba_process_cq - fast-path work handler when started by timer |
14247 | * @work: pointer to work element | |
1ba981fd | 14248 | * |
32517fc0 | 14249 | * translates from the work handler and calls the fast-path handler. |
1ba981fd | 14250 | **/ |
32517fc0 JS |
14251 | static void |
14252 | lpfc_sli4_dly_hba_process_cq(struct work_struct *work) | |
1ba981fd | 14253 | { |
32517fc0 JS |
14254 | struct lpfc_queue *cq = container_of(to_delayed_work(work), |
14255 | struct lpfc_queue, sched_irqwork); | |
1ba981fd | 14256 | |
32517fc0 | 14257 | __lpfc_sli4_hba_process_cq(cq); |
1ba981fd JS |
14258 | } |
14259 | ||
4f774513 | 14260 | /** |
67d12733 | 14261 | * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device |
4f774513 JS |
14262 | * @irq: Interrupt number. |
14263 | * @dev_id: The device context pointer. | |
14264 | * | |
14265 | * This function is directly called from the PCI layer as an interrupt | |
14266 | * service routine when device with SLI-4 interface spec is enabled with | |
14267 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
14268 | * ring event in the HBA. However, when the device is enabled with either | |
14269 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
14270 | * device-level interrupt handler. When the PCI slot is in error recovery | |
14271 | * or the HBA is undergoing initialization, the interrupt handler will not | |
14272 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
14273 | * the intrrupt context. This function is called without any lock held. | |
14274 | * It gets the hbalock to access and update SLI data structures. Note that, | |
14275 | * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is | |
14276 | * equal to that of FCP CQ index. | |
14277 | * | |
67d12733 JS |
14278 | * The link attention and ELS ring attention events are handled |
14279 | * by the worker thread. The interrupt handler signals the worker thread | |
14280 | * and returns for these events. This function is called without any lock | |
14281 | * held. It gets the hbalock to access and update SLI data structures. | |
14282 | * | |
4f774513 JS |
14283 | * This function returns IRQ_HANDLED when interrupt is handled else it |
14284 | * returns IRQ_NONE. | |
14285 | **/ | |
14286 | irqreturn_t | |
67d12733 | 14287 | lpfc_sli4_hba_intr_handler(int irq, void *dev_id) |
4f774513 JS |
14288 | { |
14289 | struct lpfc_hba *phba; | |
895427bd | 14290 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
4f774513 | 14291 | struct lpfc_queue *fpeq; |
4f774513 JS |
14292 | unsigned long iflag; |
14293 | int ecount = 0; | |
895427bd | 14294 | int hba_eqidx; |
32517fc0 JS |
14295 | struct lpfc_eq_intr_info *eqi; |
14296 | uint32_t icnt; | |
4f774513 JS |
14297 | |
14298 | /* Get the driver's phba structure from the dev_id */ | |
895427bd JS |
14299 | hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id; |
14300 | phba = hba_eq_hdl->phba; | |
14301 | hba_eqidx = hba_eq_hdl->idx; | |
4f774513 JS |
14302 | |
14303 | if (unlikely(!phba)) | |
14304 | return IRQ_NONE; | |
cdb42bec | 14305 | if (unlikely(!phba->sli4_hba.hdwq)) |
5350d872 | 14306 | return IRQ_NONE; |
4f774513 JS |
14307 | |
14308 | /* Get to the EQ struct associated with this vector */ | |
657add4e | 14309 | fpeq = phba->sli4_hba.hba_eq_hdl[hba_eqidx].eq; |
2e90f4b5 JS |
14310 | if (unlikely(!fpeq)) |
14311 | return IRQ_NONE; | |
4f774513 JS |
14312 | |
14313 | /* Check device state for handling interrupt */ | |
14314 | if (unlikely(lpfc_intr_state_check(phba))) { | |
14315 | /* Check again for link_state with lock held */ | |
14316 | spin_lock_irqsave(&phba->hbalock, iflag); | |
14317 | if (phba->link_state < LPFC_LINK_DOWN) | |
14318 | /* Flush, clear interrupt, and rearm the EQ */ | |
24c7c0a6 | 14319 | lpfc_sli4_eqcq_flush(phba, fpeq); |
4f774513 JS |
14320 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
14321 | return IRQ_NONE; | |
14322 | } | |
14323 | ||
32517fc0 JS |
14324 | eqi = phba->sli4_hba.eq_info; |
14325 | icnt = this_cpu_inc_return(eqi->icnt); | |
d6d189ce | 14326 | fpeq->last_cpu = raw_smp_processor_id(); |
4f774513 | 14327 | |
32517fc0 | 14328 | if (icnt > LPFC_EQD_ISR_TRIGGER && |
8156d378 | 14329 | fpeq->q_flag & HBA_EQ_DELAY_CHK && |
32517fc0 JS |
14330 | phba->cfg_auto_imax && |
14331 | fpeq->q_mode != LPFC_MAX_AUTO_EQ_DELAY && | |
14332 | phba->sli.sli_flag & LPFC_SLI_USE_EQDR) | |
14333 | lpfc_sli4_mod_hba_eq_delay(phba, fpeq, LPFC_MAX_AUTO_EQ_DELAY); | |
b84daac9 | 14334 | |
32517fc0 | 14335 | /* process and rearm the EQ */ |
93a4d6f4 | 14336 | ecount = lpfc_sli4_process_eq(phba, fpeq, LPFC_QUEUE_REARM); |
4f774513 JS |
14337 | |
14338 | if (unlikely(ecount == 0)) { | |
b84daac9 | 14339 | fpeq->EQ_no_entry++; |
4f774513 JS |
14340 | if (phba->intr_type == MSIX) |
14341 | /* MSI-X treated interrupt served as no EQ share INT */ | |
14342 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
14343 | "0358 MSI-X interrupt with no EQE\n"); | |
14344 | else | |
14345 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
14346 | return IRQ_NONE; | |
14347 | } | |
14348 | ||
14349 | return IRQ_HANDLED; | |
14350 | } /* lpfc_sli4_fp_intr_handler */ | |
14351 | ||
14352 | /** | |
14353 | * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device | |
14354 | * @irq: Interrupt number. | |
14355 | * @dev_id: The device context pointer. | |
14356 | * | |
14357 | * This function is the device-level interrupt handler to device with SLI-4 | |
14358 | * interface spec, called from the PCI layer when either MSI or Pin-IRQ | |
14359 | * interrupt mode is enabled and there is an event in the HBA which requires | |
14360 | * driver attention. This function invokes the slow-path interrupt attention | |
14361 | * handling function and fast-path interrupt attention handling function in | |
14362 | * turn to process the relevant HBA attention events. This function is called | |
14363 | * without any lock held. It gets the hbalock to access and update SLI data | |
14364 | * structures. | |
14365 | * | |
14366 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
14367 | * returns IRQ_NONE. | |
14368 | **/ | |
14369 | irqreturn_t | |
14370 | lpfc_sli4_intr_handler(int irq, void *dev_id) | |
14371 | { | |
14372 | struct lpfc_hba *phba; | |
67d12733 JS |
14373 | irqreturn_t hba_irq_rc; |
14374 | bool hba_handled = false; | |
895427bd | 14375 | int qidx; |
4f774513 JS |
14376 | |
14377 | /* Get the driver's phba structure from the dev_id */ | |
14378 | phba = (struct lpfc_hba *)dev_id; | |
14379 | ||
14380 | if (unlikely(!phba)) | |
14381 | return IRQ_NONE; | |
14382 | ||
4f774513 JS |
14383 | /* |
14384 | * Invoke fast-path host attention interrupt handling as appropriate. | |
14385 | */ | |
6a828b0f | 14386 | for (qidx = 0; qidx < phba->cfg_irq_chann; qidx++) { |
67d12733 | 14387 | hba_irq_rc = lpfc_sli4_hba_intr_handler(irq, |
895427bd | 14388 | &phba->sli4_hba.hba_eq_hdl[qidx]); |
67d12733 JS |
14389 | if (hba_irq_rc == IRQ_HANDLED) |
14390 | hba_handled |= true; | |
4f774513 JS |
14391 | } |
14392 | ||
67d12733 | 14393 | return (hba_handled == true) ? IRQ_HANDLED : IRQ_NONE; |
4f774513 JS |
14394 | } /* lpfc_sli4_intr_handler */ |
14395 | ||
93a4d6f4 JS |
14396 | void lpfc_sli4_poll_hbtimer(struct timer_list *t) |
14397 | { | |
14398 | struct lpfc_hba *phba = from_timer(phba, t, cpuhp_poll_timer); | |
14399 | struct lpfc_queue *eq; | |
14400 | int i = 0; | |
14401 | ||
14402 | rcu_read_lock(); | |
14403 | ||
14404 | list_for_each_entry_rcu(eq, &phba->poll_list, _poll_list) | |
14405 | i += lpfc_sli4_poll_eq(eq, LPFC_POLL_SLOWPATH); | |
14406 | if (!list_empty(&phba->poll_list)) | |
14407 | mod_timer(&phba->cpuhp_poll_timer, | |
14408 | jiffies + msecs_to_jiffies(LPFC_POLL_HB)); | |
14409 | ||
14410 | rcu_read_unlock(); | |
14411 | } | |
14412 | ||
14413 | inline int lpfc_sli4_poll_eq(struct lpfc_queue *eq, uint8_t path) | |
14414 | { | |
14415 | struct lpfc_hba *phba = eq->phba; | |
14416 | int i = 0; | |
14417 | ||
14418 | /* | |
14419 | * Unlocking an irq is one of the entry point to check | |
14420 | * for re-schedule, but we are good for io submission | |
14421 | * path as midlayer does a get_cpu to glue us in. Flush | |
14422 | * out the invalidate queue so we can see the updated | |
14423 | * value for flag. | |
14424 | */ | |
14425 | smp_rmb(); | |
14426 | ||
14427 | if (READ_ONCE(eq->mode) == LPFC_EQ_POLL) | |
14428 | /* We will not likely get the completion for the caller | |
14429 | * during this iteration but i guess that's fine. | |
14430 | * Future io's coming on this eq should be able to | |
14431 | * pick it up. As for the case of single io's, they | |
14432 | * will be handled through a sched from polling timer | |
14433 | * function which is currently triggered every 1msec. | |
14434 | */ | |
14435 | i = lpfc_sli4_process_eq(phba, eq, LPFC_QUEUE_NOARM); | |
14436 | ||
14437 | return i; | |
14438 | } | |
14439 | ||
14440 | static inline void lpfc_sli4_add_to_poll_list(struct lpfc_queue *eq) | |
14441 | { | |
14442 | struct lpfc_hba *phba = eq->phba; | |
14443 | ||
14444 | if (list_empty(&phba->poll_list)) { | |
14445 | timer_setup(&phba->cpuhp_poll_timer, lpfc_sli4_poll_hbtimer, 0); | |
14446 | /* kickstart slowpath processing for this eq */ | |
14447 | mod_timer(&phba->cpuhp_poll_timer, | |
14448 | jiffies + msecs_to_jiffies(LPFC_POLL_HB)); | |
14449 | } | |
14450 | ||
14451 | list_add_rcu(&eq->_poll_list, &phba->poll_list); | |
14452 | synchronize_rcu(); | |
14453 | } | |
14454 | ||
14455 | static inline void lpfc_sli4_remove_from_poll_list(struct lpfc_queue *eq) | |
14456 | { | |
14457 | struct lpfc_hba *phba = eq->phba; | |
14458 | ||
14459 | /* Disable slowpath processing for this eq. Kick start the eq | |
14460 | * by RE-ARMING the eq's ASAP | |
14461 | */ | |
14462 | list_del_rcu(&eq->_poll_list); | |
14463 | synchronize_rcu(); | |
14464 | ||
14465 | if (list_empty(&phba->poll_list)) | |
14466 | del_timer_sync(&phba->cpuhp_poll_timer); | |
14467 | } | |
14468 | ||
d480e578 | 14469 | void lpfc_sli4_cleanup_poll_list(struct lpfc_hba *phba) |
93a4d6f4 JS |
14470 | { |
14471 | struct lpfc_queue *eq, *next; | |
14472 | ||
14473 | list_for_each_entry_safe(eq, next, &phba->poll_list, _poll_list) | |
14474 | list_del(&eq->_poll_list); | |
14475 | ||
14476 | INIT_LIST_HEAD(&phba->poll_list); | |
14477 | synchronize_rcu(); | |
14478 | } | |
14479 | ||
14480 | static inline void | |
14481 | __lpfc_sli4_switch_eqmode(struct lpfc_queue *eq, uint8_t mode) | |
14482 | { | |
14483 | if (mode == eq->mode) | |
14484 | return; | |
14485 | /* | |
14486 | * currently this function is only called during a hotplug | |
14487 | * event and the cpu on which this function is executing | |
14488 | * is going offline. By now the hotplug has instructed | |
14489 | * the scheduler to remove this cpu from cpu active mask. | |
14490 | * So we don't need to work about being put aside by the | |
14491 | * scheduler for a high priority process. Yes, the inte- | |
14492 | * rrupts could come but they are known to retire ASAP. | |
14493 | */ | |
14494 | ||
14495 | /* Disable polling in the fastpath */ | |
14496 | WRITE_ONCE(eq->mode, mode); | |
14497 | /* flush out the store buffer */ | |
14498 | smp_wmb(); | |
14499 | ||
14500 | /* | |
14501 | * Add this eq to the polling list and start polling. For | |
14502 | * a grace period both interrupt handler and poller will | |
14503 | * try to process the eq _but_ that's fine. We have a | |
14504 | * synchronization mechanism in place (queue_claimed) to | |
14505 | * deal with it. This is just a draining phase for int- | |
14506 | * errupt handler (not eq's) as we have guranteed through | |
14507 | * barrier that all the CPUs have seen the new CQ_POLLED | |
14508 | * state. which will effectively disable the REARMING of | |
14509 | * the EQ. The whole idea is eq's die off eventually as | |
14510 | * we are not rearming EQ's anymore. | |
14511 | */ | |
14512 | mode ? lpfc_sli4_add_to_poll_list(eq) : | |
14513 | lpfc_sli4_remove_from_poll_list(eq); | |
14514 | } | |
14515 | ||
14516 | void lpfc_sli4_start_polling(struct lpfc_queue *eq) | |
14517 | { | |
14518 | __lpfc_sli4_switch_eqmode(eq, LPFC_EQ_POLL); | |
14519 | } | |
14520 | ||
14521 | void lpfc_sli4_stop_polling(struct lpfc_queue *eq) | |
14522 | { | |
14523 | struct lpfc_hba *phba = eq->phba; | |
14524 | ||
14525 | __lpfc_sli4_switch_eqmode(eq, LPFC_EQ_INTERRUPT); | |
14526 | ||
14527 | /* Kick start for the pending io's in h/w. | |
14528 | * Once we switch back to interrupt processing on a eq | |
14529 | * the io path completion will only arm eq's when it | |
14530 | * receives a completion. But since eq's are in disa- | |
14531 | * rmed state it doesn't receive a completion. This | |
14532 | * creates a deadlock scenaro. | |
14533 | */ | |
14534 | phba->sli4_hba.sli4_write_eq_db(phba, eq, 0, LPFC_QUEUE_REARM); | |
14535 | } | |
14536 | ||
4f774513 JS |
14537 | /** |
14538 | * lpfc_sli4_queue_free - free a queue structure and associated memory | |
14539 | * @queue: The queue structure to free. | |
14540 | * | |
b595076a | 14541 | * This function frees a queue structure and the DMAable memory used for |
4f774513 JS |
14542 | * the host resident queue. This function must be called after destroying the |
14543 | * queue on the HBA. | |
14544 | **/ | |
14545 | void | |
14546 | lpfc_sli4_queue_free(struct lpfc_queue *queue) | |
14547 | { | |
14548 | struct lpfc_dmabuf *dmabuf; | |
14549 | ||
14550 | if (!queue) | |
14551 | return; | |
14552 | ||
4645f7b5 JS |
14553 | if (!list_empty(&queue->wq_list)) |
14554 | list_del(&queue->wq_list); | |
14555 | ||
4f774513 JS |
14556 | while (!list_empty(&queue->page_list)) { |
14557 | list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf, | |
14558 | list); | |
81b96eda | 14559 | dma_free_coherent(&queue->phba->pcidev->dev, queue->page_size, |
4f774513 JS |
14560 | dmabuf->virt, dmabuf->phys); |
14561 | kfree(dmabuf); | |
14562 | } | |
895427bd JS |
14563 | if (queue->rqbp) { |
14564 | lpfc_free_rq_buffer(queue->phba, queue); | |
14565 | kfree(queue->rqbp); | |
14566 | } | |
d1f525aa | 14567 | |
32517fc0 JS |
14568 | if (!list_empty(&queue->cpu_list)) |
14569 | list_del(&queue->cpu_list); | |
14570 | ||
4f774513 JS |
14571 | kfree(queue); |
14572 | return; | |
14573 | } | |
14574 | ||
14575 | /** | |
14576 | * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure | |
14577 | * @phba: The HBA that this queue is being created on. | |
81b96eda | 14578 | * @page_size: The size of a queue page |
4f774513 JS |
14579 | * @entry_size: The size of each queue entry for this queue. |
14580 | * @entry count: The number of entries that this queue will handle. | |
c1a21ebc | 14581 | * @cpu: The cpu that will primarily utilize this queue. |
4f774513 JS |
14582 | * |
14583 | * This function allocates a queue structure and the DMAable memory used for | |
14584 | * the host resident queue. This function must be called before creating the | |
14585 | * queue on the HBA. | |
14586 | **/ | |
14587 | struct lpfc_queue * | |
81b96eda | 14588 | lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t page_size, |
c1a21ebc | 14589 | uint32_t entry_size, uint32_t entry_count, int cpu) |
4f774513 JS |
14590 | { |
14591 | struct lpfc_queue *queue; | |
14592 | struct lpfc_dmabuf *dmabuf; | |
cb5172ea | 14593 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
9afbee3d | 14594 | uint16_t x, pgcnt; |
4f774513 | 14595 | |
cb5172ea | 14596 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 14597 | hw_page_size = page_size; |
cb5172ea | 14598 | |
9afbee3d JS |
14599 | pgcnt = ALIGN(entry_size * entry_count, hw_page_size) / hw_page_size; |
14600 | ||
14601 | /* If needed, Adjust page count to match the max the adapter supports */ | |
14602 | if (pgcnt > phba->sli4_hba.pc_sli4_params.wqpcnt) | |
14603 | pgcnt = phba->sli4_hba.pc_sli4_params.wqpcnt; | |
14604 | ||
c1a21ebc JS |
14605 | queue = kzalloc_node(sizeof(*queue) + (sizeof(void *) * pgcnt), |
14606 | GFP_KERNEL, cpu_to_node(cpu)); | |
4f774513 JS |
14607 | if (!queue) |
14608 | return NULL; | |
895427bd | 14609 | |
4f774513 | 14610 | INIT_LIST_HEAD(&queue->list); |
93a4d6f4 | 14611 | INIT_LIST_HEAD(&queue->_poll_list); |
895427bd | 14612 | INIT_LIST_HEAD(&queue->wq_list); |
6e8e1c14 | 14613 | INIT_LIST_HEAD(&queue->wqfull_list); |
4f774513 JS |
14614 | INIT_LIST_HEAD(&queue->page_list); |
14615 | INIT_LIST_HEAD(&queue->child_list); | |
32517fc0 | 14616 | INIT_LIST_HEAD(&queue->cpu_list); |
81b96eda JS |
14617 | |
14618 | /* Set queue parameters now. If the system cannot provide memory | |
14619 | * resources, the free routine needs to know what was allocated. | |
14620 | */ | |
9afbee3d JS |
14621 | queue->page_count = pgcnt; |
14622 | queue->q_pgs = (void **)&queue[1]; | |
14623 | queue->entry_cnt_per_pg = hw_page_size / entry_size; | |
81b96eda JS |
14624 | queue->entry_size = entry_size; |
14625 | queue->entry_count = entry_count; | |
14626 | queue->page_size = hw_page_size; | |
14627 | queue->phba = phba; | |
14628 | ||
9afbee3d | 14629 | for (x = 0; x < queue->page_count; x++) { |
c1a21ebc JS |
14630 | dmabuf = kzalloc_node(sizeof(*dmabuf), GFP_KERNEL, |
14631 | dev_to_node(&phba->pcidev->dev)); | |
4f774513 JS |
14632 | if (!dmabuf) |
14633 | goto out_fail; | |
750afb08 LC |
14634 | dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, |
14635 | hw_page_size, &dmabuf->phys, | |
14636 | GFP_KERNEL); | |
4f774513 JS |
14637 | if (!dmabuf->virt) { |
14638 | kfree(dmabuf); | |
14639 | goto out_fail; | |
14640 | } | |
14641 | dmabuf->buffer_tag = x; | |
14642 | list_add_tail(&dmabuf->list, &queue->page_list); | |
9afbee3d JS |
14643 | /* use lpfc_sli4_qe to index a paritcular entry in this page */ |
14644 | queue->q_pgs[x] = dmabuf->virt; | |
4f774513 | 14645 | } |
f485c18d DK |
14646 | INIT_WORK(&queue->irqwork, lpfc_sli4_hba_process_cq); |
14647 | INIT_WORK(&queue->spwork, lpfc_sli4_sp_process_cq); | |
32517fc0 JS |
14648 | INIT_DELAYED_WORK(&queue->sched_irqwork, lpfc_sli4_dly_hba_process_cq); |
14649 | INIT_DELAYED_WORK(&queue->sched_spwork, lpfc_sli4_dly_sp_process_cq); | |
4f774513 | 14650 | |
32517fc0 | 14651 | /* notify_interval will be set during q creation */ |
64eb4dcb | 14652 | |
4f774513 JS |
14653 | return queue; |
14654 | out_fail: | |
14655 | lpfc_sli4_queue_free(queue); | |
14656 | return NULL; | |
14657 | } | |
14658 | ||
962bc51b JS |
14659 | /** |
14660 | * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory | |
14661 | * @phba: HBA structure that indicates port to create a queue on. | |
14662 | * @pci_barset: PCI BAR set flag. | |
14663 | * | |
14664 | * This function shall perform iomap of the specified PCI BAR address to host | |
14665 | * memory address if not already done so and return it. The returned host | |
14666 | * memory address can be NULL. | |
14667 | */ | |
14668 | static void __iomem * | |
14669 | lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset) | |
14670 | { | |
962bc51b JS |
14671 | if (!phba->pcidev) |
14672 | return NULL; | |
962bc51b JS |
14673 | |
14674 | switch (pci_barset) { | |
14675 | case WQ_PCI_BAR_0_AND_1: | |
962bc51b JS |
14676 | return phba->pci_bar0_memmap_p; |
14677 | case WQ_PCI_BAR_2_AND_3: | |
962bc51b JS |
14678 | return phba->pci_bar2_memmap_p; |
14679 | case WQ_PCI_BAR_4_AND_5: | |
962bc51b JS |
14680 | return phba->pci_bar4_memmap_p; |
14681 | default: | |
14682 | break; | |
14683 | } | |
14684 | return NULL; | |
14685 | } | |
14686 | ||
173edbb2 | 14687 | /** |
cb733e35 JS |
14688 | * lpfc_modify_hba_eq_delay - Modify Delay Multiplier on EQs |
14689 | * @phba: HBA structure that EQs are on. | |
14690 | * @startq: The starting EQ index to modify | |
14691 | * @numq: The number of EQs (consecutive indexes) to modify | |
14692 | * @usdelay: amount of delay | |
173edbb2 | 14693 | * |
cb733e35 JS |
14694 | * This function revises the EQ delay on 1 or more EQs. The EQ delay |
14695 | * is set either by writing to a register (if supported by the SLI Port) | |
14696 | * or by mailbox command. The mailbox command allows several EQs to be | |
14697 | * updated at once. | |
173edbb2 | 14698 | * |
cb733e35 JS |
14699 | * The @phba struct is used to send a mailbox command to HBA. The @startq |
14700 | * is used to get the starting EQ index to change. The @numq value is | |
14701 | * used to specify how many consecutive EQ indexes, starting at EQ index, | |
14702 | * are to be changed. This function is asynchronous and will wait for any | |
14703 | * mailbox commands to finish before returning. | |
173edbb2 | 14704 | * |
cb733e35 JS |
14705 | * On success this function will return a zero. If unable to allocate |
14706 | * enough memory this function will return -ENOMEM. If a mailbox command | |
14707 | * fails this function will return -ENXIO. Note: on ENXIO, some EQs may | |
14708 | * have had their delay multipler changed. | |
173edbb2 | 14709 | **/ |
cb733e35 | 14710 | void |
0cf07f84 | 14711 | lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq, |
cb733e35 | 14712 | uint32_t numq, uint32_t usdelay) |
173edbb2 JS |
14713 | { |
14714 | struct lpfc_mbx_modify_eq_delay *eq_delay; | |
14715 | LPFC_MBOXQ_t *mbox; | |
14716 | struct lpfc_queue *eq; | |
cb733e35 | 14717 | int cnt = 0, rc, length; |
173edbb2 | 14718 | uint32_t shdr_status, shdr_add_status; |
cb733e35 | 14719 | uint32_t dmult; |
895427bd | 14720 | int qidx; |
173edbb2 | 14721 | union lpfc_sli4_cfg_shdr *shdr; |
173edbb2 | 14722 | |
6a828b0f | 14723 | if (startq >= phba->cfg_irq_chann) |
cb733e35 JS |
14724 | return; |
14725 | ||
14726 | if (usdelay > 0xFFFF) { | |
14727 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_FCP | LOG_NVME, | |
14728 | "6429 usdelay %d too large. Scaled down to " | |
14729 | "0xFFFF.\n", usdelay); | |
14730 | usdelay = 0xFFFF; | |
14731 | } | |
14732 | ||
14733 | /* set values by EQ_DELAY register if supported */ | |
14734 | if (phba->sli.sli_flag & LPFC_SLI_USE_EQDR) { | |
14735 | for (qidx = startq; qidx < phba->cfg_irq_chann; qidx++) { | |
657add4e | 14736 | eq = phba->sli4_hba.hba_eq_hdl[qidx].eq; |
cb733e35 JS |
14737 | if (!eq) |
14738 | continue; | |
14739 | ||
32517fc0 | 14740 | lpfc_sli4_mod_hba_eq_delay(phba, eq, usdelay); |
cb733e35 JS |
14741 | |
14742 | if (++cnt >= numq) | |
14743 | break; | |
14744 | } | |
cb733e35 JS |
14745 | return; |
14746 | } | |
14747 | ||
14748 | /* Otherwise, set values by mailbox cmd */ | |
173edbb2 JS |
14749 | |
14750 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
cb733e35 JS |
14751 | if (!mbox) { |
14752 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_FCP | LOG_NVME, | |
14753 | "6428 Failed allocating mailbox cmd buffer." | |
14754 | " EQ delay was not set.\n"); | |
14755 | return; | |
14756 | } | |
173edbb2 JS |
14757 | length = (sizeof(struct lpfc_mbx_modify_eq_delay) - |
14758 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14759 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14760 | LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY, | |
14761 | length, LPFC_SLI4_MBX_EMBED); | |
14762 | eq_delay = &mbox->u.mqe.un.eq_delay; | |
14763 | ||
14764 | /* Calculate delay multiper from maximum interrupt per second */ | |
cb733e35 JS |
14765 | dmult = (usdelay * LPFC_DMULT_CONST) / LPFC_SEC_TO_USEC; |
14766 | if (dmult) | |
14767 | dmult--; | |
0cf07f84 JS |
14768 | if (dmult > LPFC_DMULT_MAX) |
14769 | dmult = LPFC_DMULT_MAX; | |
173edbb2 | 14770 | |
6a828b0f | 14771 | for (qidx = startq; qidx < phba->cfg_irq_chann; qidx++) { |
657add4e | 14772 | eq = phba->sli4_hba.hba_eq_hdl[qidx].eq; |
173edbb2 JS |
14773 | if (!eq) |
14774 | continue; | |
cb733e35 | 14775 | eq->q_mode = usdelay; |
173edbb2 JS |
14776 | eq_delay->u.request.eq[cnt].eq_id = eq->queue_id; |
14777 | eq_delay->u.request.eq[cnt].phase = 0; | |
14778 | eq_delay->u.request.eq[cnt].delay_multi = dmult; | |
0cf07f84 | 14779 | |
cb733e35 | 14780 | if (++cnt >= numq) |
173edbb2 JS |
14781 | break; |
14782 | } | |
14783 | eq_delay->u.request.num_eq = cnt; | |
14784 | ||
14785 | mbox->vport = phba->pport; | |
14786 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3e1f0718 JS |
14787 | mbox->ctx_buf = NULL; |
14788 | mbox->ctx_ndlp = NULL; | |
173edbb2 JS |
14789 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
14790 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_delay->header.cfg_shdr; | |
14791 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14792 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14793 | if (shdr_status || shdr_add_status || rc) { | |
14794 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14795 | "2512 MODIFY_EQ_DELAY mailbox failed with " | |
14796 | "status x%x add_status x%x, mbx status x%x\n", | |
14797 | shdr_status, shdr_add_status, rc); | |
173edbb2 JS |
14798 | } |
14799 | mempool_free(mbox, phba->mbox_mem_pool); | |
cb733e35 | 14800 | return; |
173edbb2 JS |
14801 | } |
14802 | ||
4f774513 JS |
14803 | /** |
14804 | * lpfc_eq_create - Create an Event Queue on the HBA | |
14805 | * @phba: HBA structure that indicates port to create a queue on. | |
14806 | * @eq: The queue structure to use to create the event queue. | |
14807 | * @imax: The maximum interrupt per second limit. | |
14808 | * | |
14809 | * This function creates an event queue, as detailed in @eq, on a port, | |
14810 | * described by @phba by sending an EQ_CREATE mailbox command to the HBA. | |
14811 | * | |
14812 | * The @phba struct is used to send mailbox command to HBA. The @eq struct | |
14813 | * is used to get the entry count and entry size that are necessary to | |
14814 | * determine the number of pages to allocate and use for this queue. This | |
14815 | * function will send the EQ_CREATE mailbox command to the HBA to setup the | |
14816 | * event queue. This function is asynchronous and will wait for the mailbox | |
14817 | * command to finish before continuing. | |
14818 | * | |
14819 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14820 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14821 | * fails this function will return -ENXIO. | |
4f774513 | 14822 | **/ |
a2fc4aef | 14823 | int |
ee02006b | 14824 | lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) |
4f774513 JS |
14825 | { |
14826 | struct lpfc_mbx_eq_create *eq_create; | |
14827 | LPFC_MBOXQ_t *mbox; | |
14828 | int rc, length, status = 0; | |
14829 | struct lpfc_dmabuf *dmabuf; | |
14830 | uint32_t shdr_status, shdr_add_status; | |
14831 | union lpfc_sli4_cfg_shdr *shdr; | |
14832 | uint16_t dmult; | |
49198b37 JS |
14833 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
14834 | ||
2e90f4b5 JS |
14835 | /* sanity check on queue memory */ |
14836 | if (!eq) | |
14837 | return -ENODEV; | |
49198b37 JS |
14838 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14839 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
14840 | |
14841 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14842 | if (!mbox) | |
14843 | return -ENOMEM; | |
14844 | length = (sizeof(struct lpfc_mbx_eq_create) - | |
14845 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14846 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14847 | LPFC_MBOX_OPCODE_EQ_CREATE, | |
14848 | length, LPFC_SLI4_MBX_EMBED); | |
14849 | eq_create = &mbox->u.mqe.un.eq_create; | |
7365f6fd | 14850 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_create->header.cfg_shdr; |
4f774513 JS |
14851 | bf_set(lpfc_mbx_eq_create_num_pages, &eq_create->u.request, |
14852 | eq->page_count); | |
14853 | bf_set(lpfc_eq_context_size, &eq_create->u.request.context, | |
14854 | LPFC_EQE_SIZE); | |
14855 | bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1); | |
7365f6fd JS |
14856 | |
14857 | /* Use version 2 of CREATE_EQ if eqav is set */ | |
14858 | if (phba->sli4_hba.pc_sli4_params.eqav) { | |
14859 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
14860 | LPFC_Q_CREATE_VERSION_2); | |
14861 | bf_set(lpfc_eq_context_autovalid, &eq_create->u.request.context, | |
14862 | phba->sli4_hba.pc_sli4_params.eqav); | |
14863 | } | |
14864 | ||
2c9c5a00 JS |
14865 | /* don't setup delay multiplier using EQ_CREATE */ |
14866 | dmult = 0; | |
4f774513 JS |
14867 | bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context, |
14868 | dmult); | |
14869 | switch (eq->entry_count) { | |
14870 | default: | |
14871 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14872 | "0360 Unsupported EQ count. (%d)\n", | |
14873 | eq->entry_count); | |
04d210c9 JS |
14874 | if (eq->entry_count < 256) { |
14875 | status = -EINVAL; | |
14876 | goto out; | |
14877 | } | |
5bd5f66c | 14878 | /* fall through - otherwise default to smallest count */ |
4f774513 JS |
14879 | case 256: |
14880 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14881 | LPFC_EQ_CNT_256); | |
14882 | break; | |
14883 | case 512: | |
14884 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14885 | LPFC_EQ_CNT_512); | |
14886 | break; | |
14887 | case 1024: | |
14888 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14889 | LPFC_EQ_CNT_1024); | |
14890 | break; | |
14891 | case 2048: | |
14892 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14893 | LPFC_EQ_CNT_2048); | |
14894 | break; | |
14895 | case 4096: | |
14896 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14897 | LPFC_EQ_CNT_4096); | |
14898 | break; | |
14899 | } | |
14900 | list_for_each_entry(dmabuf, &eq->page_list, list) { | |
49198b37 | 14901 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
14902 | eq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
14903 | putPaddrLow(dmabuf->phys); | |
14904 | eq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14905 | putPaddrHigh(dmabuf->phys); | |
14906 | } | |
14907 | mbox->vport = phba->pport; | |
14908 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
3e1f0718 JS |
14909 | mbox->ctx_buf = NULL; |
14910 | mbox->ctx_ndlp = NULL; | |
4f774513 | 14911 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
4f774513 JS |
14912 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14913 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14914 | if (shdr_status || shdr_add_status || rc) { | |
14915 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14916 | "2500 EQ_CREATE mailbox failed with " | |
14917 | "status x%x add_status x%x, mbx status x%x\n", | |
14918 | shdr_status, shdr_add_status, rc); | |
14919 | status = -ENXIO; | |
14920 | } | |
14921 | eq->type = LPFC_EQ; | |
14922 | eq->subtype = LPFC_NONE; | |
14923 | eq->queue_id = bf_get(lpfc_mbx_eq_create_q_id, &eq_create->u.response); | |
14924 | if (eq->queue_id == 0xFFFF) | |
14925 | status = -ENXIO; | |
14926 | eq->host_index = 0; | |
32517fc0 JS |
14927 | eq->notify_interval = LPFC_EQ_NOTIFY_INTRVL; |
14928 | eq->max_proc_limit = LPFC_EQ_MAX_PROC_LIMIT; | |
04d210c9 | 14929 | out: |
8fa38513 | 14930 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
14931 | return status; |
14932 | } | |
14933 | ||
14934 | /** | |
14935 | * lpfc_cq_create - Create a Completion Queue on the HBA | |
14936 | * @phba: HBA structure that indicates port to create a queue on. | |
14937 | * @cq: The queue structure to use to create the completion queue. | |
14938 | * @eq: The event queue to bind this completion queue to. | |
14939 | * | |
14940 | * This function creates a completion queue, as detailed in @wq, on a port, | |
14941 | * described by @phba by sending a CQ_CREATE mailbox command to the HBA. | |
14942 | * | |
14943 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14944 | * is used to get the entry count and entry size that are necessary to | |
14945 | * determine the number of pages to allocate and use for this queue. The @eq | |
14946 | * is used to indicate which event queue to bind this completion queue to. This | |
14947 | * function will send the CQ_CREATE mailbox command to the HBA to setup the | |
14948 | * completion queue. This function is asynchronous and will wait for the mailbox | |
14949 | * command to finish before continuing. | |
14950 | * | |
14951 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14952 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14953 | * fails this function will return -ENXIO. | |
4f774513 | 14954 | **/ |
a2fc4aef | 14955 | int |
4f774513 JS |
14956 | lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, |
14957 | struct lpfc_queue *eq, uint32_t type, uint32_t subtype) | |
14958 | { | |
14959 | struct lpfc_mbx_cq_create *cq_create; | |
14960 | struct lpfc_dmabuf *dmabuf; | |
14961 | LPFC_MBOXQ_t *mbox; | |
14962 | int rc, length, status = 0; | |
14963 | uint32_t shdr_status, shdr_add_status; | |
14964 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 14965 | |
2e90f4b5 JS |
14966 | /* sanity check on queue memory */ |
14967 | if (!cq || !eq) | |
14968 | return -ENODEV; | |
49198b37 | 14969 | |
4f774513 JS |
14970 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
14971 | if (!mbox) | |
14972 | return -ENOMEM; | |
14973 | length = (sizeof(struct lpfc_mbx_cq_create) - | |
14974 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14975 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14976 | LPFC_MBOX_OPCODE_CQ_CREATE, | |
14977 | length, LPFC_SLI4_MBX_EMBED); | |
14978 | cq_create = &mbox->u.mqe.un.cq_create; | |
5a6f133e | 14979 | shdr = (union lpfc_sli4_cfg_shdr *) &cq_create->header.cfg_shdr; |
4f774513 JS |
14980 | bf_set(lpfc_mbx_cq_create_num_pages, &cq_create->u.request, |
14981 | cq->page_count); | |
14982 | bf_set(lpfc_cq_context_event, &cq_create->u.request.context, 1); | |
14983 | bf_set(lpfc_cq_context_valid, &cq_create->u.request.context, 1); | |
5a6f133e JS |
14984 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14985 | phba->sli4_hba.pc_sli4_params.cqv); | |
14986 | if (phba->sli4_hba.pc_sli4_params.cqv == LPFC_Q_CREATE_VERSION_2) { | |
81b96eda JS |
14987 | bf_set(lpfc_mbx_cq_create_page_size, &cq_create->u.request, |
14988 | (cq->page_size / SLI4_PAGE_SIZE)); | |
5a6f133e JS |
14989 | bf_set(lpfc_cq_eq_id_2, &cq_create->u.request.context, |
14990 | eq->queue_id); | |
7365f6fd JS |
14991 | bf_set(lpfc_cq_context_autovalid, &cq_create->u.request.context, |
14992 | phba->sli4_hba.pc_sli4_params.cqav); | |
5a6f133e JS |
14993 | } else { |
14994 | bf_set(lpfc_cq_eq_id, &cq_create->u.request.context, | |
14995 | eq->queue_id); | |
14996 | } | |
4f774513 | 14997 | switch (cq->entry_count) { |
81b96eda JS |
14998 | case 2048: |
14999 | case 4096: | |
15000 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
15001 | LPFC_Q_CREATE_VERSION_2) { | |
15002 | cq_create->u.request.context.lpfc_cq_context_count = | |
15003 | cq->entry_count; | |
15004 | bf_set(lpfc_cq_context_count, | |
15005 | &cq_create->u.request.context, | |
15006 | LPFC_CQ_CNT_WORD7); | |
15007 | break; | |
15008 | } | |
5bd5f66c | 15009 | /* fall through */ |
4f774513 JS |
15010 | default: |
15011 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2ea259ee | 15012 | "0361 Unsupported CQ count: " |
64eb4dcb | 15013 | "entry cnt %d sz %d pg cnt %d\n", |
2ea259ee | 15014 | cq->entry_count, cq->entry_size, |
64eb4dcb | 15015 | cq->page_count); |
4f4c1863 JS |
15016 | if (cq->entry_count < 256) { |
15017 | status = -EINVAL; | |
15018 | goto out; | |
15019 | } | |
5bd5f66c | 15020 | /* fall through - otherwise default to smallest count */ |
4f774513 JS |
15021 | case 256: |
15022 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
15023 | LPFC_CQ_CNT_256); | |
15024 | break; | |
15025 | case 512: | |
15026 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
15027 | LPFC_CQ_CNT_512); | |
15028 | break; | |
15029 | case 1024: | |
15030 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
15031 | LPFC_CQ_CNT_1024); | |
15032 | break; | |
15033 | } | |
15034 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
81b96eda | 15035 | memset(dmabuf->virt, 0, cq->page_size); |
4f774513 JS |
15036 | cq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
15037 | putPaddrLow(dmabuf->phys); | |
15038 | cq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15039 | putPaddrHigh(dmabuf->phys); | |
15040 | } | |
15041 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15042 | ||
15043 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15044 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15045 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15046 | if (shdr_status || shdr_add_status || rc) { | |
15047 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15048 | "2501 CQ_CREATE mailbox failed with " | |
15049 | "status x%x add_status x%x, mbx status x%x\n", | |
15050 | shdr_status, shdr_add_status, rc); | |
15051 | status = -ENXIO; | |
15052 | goto out; | |
15053 | } | |
15054 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
15055 | if (cq->queue_id == 0xFFFF) { | |
15056 | status = -ENXIO; | |
15057 | goto out; | |
15058 | } | |
15059 | /* link the cq onto the parent eq child list */ | |
15060 | list_add_tail(&cq->list, &eq->child_list); | |
15061 | /* Set up completion queue's type and subtype */ | |
15062 | cq->type = type; | |
15063 | cq->subtype = subtype; | |
15064 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
2a622bfb | 15065 | cq->assoc_qid = eq->queue_id; |
6a828b0f | 15066 | cq->assoc_qp = eq; |
4f774513 | 15067 | cq->host_index = 0; |
32517fc0 JS |
15068 | cq->notify_interval = LPFC_CQ_NOTIFY_INTRVL; |
15069 | cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit, cq->entry_count); | |
4f774513 | 15070 | |
6a828b0f JS |
15071 | if (cq->queue_id > phba->sli4_hba.cq_max) |
15072 | phba->sli4_hba.cq_max = cq->queue_id; | |
8fa38513 JS |
15073 | out: |
15074 | mempool_free(mbox, phba->mbox_mem_pool); | |
4f774513 JS |
15075 | return status; |
15076 | } | |
15077 | ||
2d7dbc4c JS |
15078 | /** |
15079 | * lpfc_cq_create_set - Create a set of Completion Queues on the HBA for MRQ | |
15080 | * @phba: HBA structure that indicates port to create a queue on. | |
15081 | * @cqp: The queue structure array to use to create the completion queues. | |
cdb42bec | 15082 | * @hdwq: The hardware queue array with the EQ to bind completion queues to. |
2d7dbc4c JS |
15083 | * |
15084 | * This function creates a set of completion queue, s to support MRQ | |
15085 | * as detailed in @cqp, on a port, | |
15086 | * described by @phba by sending a CREATE_CQ_SET mailbox command to the HBA. | |
15087 | * | |
15088 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
15089 | * is used to get the entry count and entry size that are necessary to | |
15090 | * determine the number of pages to allocate and use for this queue. The @eq | |
15091 | * is used to indicate which event queue to bind this completion queue to. This | |
15092 | * function will send the CREATE_CQ_SET mailbox command to the HBA to setup the | |
15093 | * completion queue. This function is asynchronous and will wait for the mailbox | |
15094 | * command to finish before continuing. | |
15095 | * | |
15096 | * On success this function will return a zero. If unable to allocate enough | |
15097 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
15098 | * fails this function will return -ENXIO. | |
15099 | **/ | |
15100 | int | |
15101 | lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, | |
cdb42bec JS |
15102 | struct lpfc_sli4_hdw_queue *hdwq, uint32_t type, |
15103 | uint32_t subtype) | |
2d7dbc4c JS |
15104 | { |
15105 | struct lpfc_queue *cq; | |
15106 | struct lpfc_queue *eq; | |
15107 | struct lpfc_mbx_cq_create_set *cq_set; | |
15108 | struct lpfc_dmabuf *dmabuf; | |
15109 | LPFC_MBOXQ_t *mbox; | |
15110 | int rc, length, alloclen, status = 0; | |
15111 | int cnt, idx, numcq, page_idx = 0; | |
15112 | uint32_t shdr_status, shdr_add_status; | |
15113 | union lpfc_sli4_cfg_shdr *shdr; | |
15114 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
15115 | ||
15116 | /* sanity check on queue memory */ | |
15117 | numcq = phba->cfg_nvmet_mrq; | |
cdb42bec | 15118 | if (!cqp || !hdwq || !numcq) |
2d7dbc4c | 15119 | return -ENODEV; |
2d7dbc4c JS |
15120 | |
15121 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15122 | if (!mbox) | |
15123 | return -ENOMEM; | |
15124 | ||
15125 | length = sizeof(struct lpfc_mbx_cq_create_set); | |
15126 | length += ((numcq * cqp[0]->page_count) * | |
15127 | sizeof(struct dma_address)); | |
15128 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15129 | LPFC_MBOX_OPCODE_FCOE_CQ_CREATE_SET, length, | |
15130 | LPFC_SLI4_MBX_NEMBED); | |
15131 | if (alloclen < length) { | |
15132 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15133 | "3098 Allocated DMA memory size (%d) is " | |
15134 | "less than the requested DMA memory size " | |
15135 | "(%d)\n", alloclen, length); | |
15136 | status = -ENOMEM; | |
15137 | goto out; | |
15138 | } | |
15139 | cq_set = mbox->sge_array->addr[0]; | |
15140 | shdr = (union lpfc_sli4_cfg_shdr *)&cq_set->cfg_shdr; | |
15141 | bf_set(lpfc_mbox_hdr_version, &shdr->request, 0); | |
15142 | ||
15143 | for (idx = 0; idx < numcq; idx++) { | |
15144 | cq = cqp[idx]; | |
cdb42bec | 15145 | eq = hdwq[idx].hba_eq; |
2d7dbc4c JS |
15146 | if (!cq || !eq) { |
15147 | status = -ENOMEM; | |
15148 | goto out; | |
15149 | } | |
81b96eda JS |
15150 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15151 | hw_page_size = cq->page_size; | |
2d7dbc4c JS |
15152 | |
15153 | switch (idx) { | |
15154 | case 0: | |
15155 | bf_set(lpfc_mbx_cq_create_set_page_size, | |
15156 | &cq_set->u.request, | |
15157 | (hw_page_size / SLI4_PAGE_SIZE)); | |
15158 | bf_set(lpfc_mbx_cq_create_set_num_pages, | |
15159 | &cq_set->u.request, cq->page_count); | |
15160 | bf_set(lpfc_mbx_cq_create_set_evt, | |
15161 | &cq_set->u.request, 1); | |
15162 | bf_set(lpfc_mbx_cq_create_set_valid, | |
15163 | &cq_set->u.request, 1); | |
15164 | bf_set(lpfc_mbx_cq_create_set_cqe_size, | |
15165 | &cq_set->u.request, 0); | |
15166 | bf_set(lpfc_mbx_cq_create_set_num_cq, | |
15167 | &cq_set->u.request, numcq); | |
7365f6fd JS |
15168 | bf_set(lpfc_mbx_cq_create_set_autovalid, |
15169 | &cq_set->u.request, | |
15170 | phba->sli4_hba.pc_sli4_params.cqav); | |
2d7dbc4c | 15171 | switch (cq->entry_count) { |
81b96eda JS |
15172 | case 2048: |
15173 | case 4096: | |
15174 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
15175 | LPFC_Q_CREATE_VERSION_2) { | |
15176 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15177 | &cq_set->u.request, | |
15178 | cq->entry_count); | |
15179 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15180 | &cq_set->u.request, | |
15181 | LPFC_CQ_CNT_WORD7); | |
15182 | break; | |
15183 | } | |
5bd5f66c | 15184 | /* fall through */ |
2d7dbc4c JS |
15185 | default: |
15186 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15187 | "3118 Bad CQ count. (%d)\n", | |
15188 | cq->entry_count); | |
15189 | if (cq->entry_count < 256) { | |
15190 | status = -EINVAL; | |
15191 | goto out; | |
15192 | } | |
5bd5f66c | 15193 | /* fall through - otherwise default to smallest */ |
2d7dbc4c JS |
15194 | case 256: |
15195 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15196 | &cq_set->u.request, LPFC_CQ_CNT_256); | |
15197 | break; | |
15198 | case 512: | |
15199 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15200 | &cq_set->u.request, LPFC_CQ_CNT_512); | |
15201 | break; | |
15202 | case 1024: | |
15203 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
15204 | &cq_set->u.request, LPFC_CQ_CNT_1024); | |
15205 | break; | |
15206 | } | |
15207 | bf_set(lpfc_mbx_cq_create_set_eq_id0, | |
15208 | &cq_set->u.request, eq->queue_id); | |
15209 | break; | |
15210 | case 1: | |
15211 | bf_set(lpfc_mbx_cq_create_set_eq_id1, | |
15212 | &cq_set->u.request, eq->queue_id); | |
15213 | break; | |
15214 | case 2: | |
15215 | bf_set(lpfc_mbx_cq_create_set_eq_id2, | |
15216 | &cq_set->u.request, eq->queue_id); | |
15217 | break; | |
15218 | case 3: | |
15219 | bf_set(lpfc_mbx_cq_create_set_eq_id3, | |
15220 | &cq_set->u.request, eq->queue_id); | |
15221 | break; | |
15222 | case 4: | |
15223 | bf_set(lpfc_mbx_cq_create_set_eq_id4, | |
15224 | &cq_set->u.request, eq->queue_id); | |
15225 | break; | |
15226 | case 5: | |
15227 | bf_set(lpfc_mbx_cq_create_set_eq_id5, | |
15228 | &cq_set->u.request, eq->queue_id); | |
15229 | break; | |
15230 | case 6: | |
15231 | bf_set(lpfc_mbx_cq_create_set_eq_id6, | |
15232 | &cq_set->u.request, eq->queue_id); | |
15233 | break; | |
15234 | case 7: | |
15235 | bf_set(lpfc_mbx_cq_create_set_eq_id7, | |
15236 | &cq_set->u.request, eq->queue_id); | |
15237 | break; | |
15238 | case 8: | |
15239 | bf_set(lpfc_mbx_cq_create_set_eq_id8, | |
15240 | &cq_set->u.request, eq->queue_id); | |
15241 | break; | |
15242 | case 9: | |
15243 | bf_set(lpfc_mbx_cq_create_set_eq_id9, | |
15244 | &cq_set->u.request, eq->queue_id); | |
15245 | break; | |
15246 | case 10: | |
15247 | bf_set(lpfc_mbx_cq_create_set_eq_id10, | |
15248 | &cq_set->u.request, eq->queue_id); | |
15249 | break; | |
15250 | case 11: | |
15251 | bf_set(lpfc_mbx_cq_create_set_eq_id11, | |
15252 | &cq_set->u.request, eq->queue_id); | |
15253 | break; | |
15254 | case 12: | |
15255 | bf_set(lpfc_mbx_cq_create_set_eq_id12, | |
15256 | &cq_set->u.request, eq->queue_id); | |
15257 | break; | |
15258 | case 13: | |
15259 | bf_set(lpfc_mbx_cq_create_set_eq_id13, | |
15260 | &cq_set->u.request, eq->queue_id); | |
15261 | break; | |
15262 | case 14: | |
15263 | bf_set(lpfc_mbx_cq_create_set_eq_id14, | |
15264 | &cq_set->u.request, eq->queue_id); | |
15265 | break; | |
15266 | case 15: | |
15267 | bf_set(lpfc_mbx_cq_create_set_eq_id15, | |
15268 | &cq_set->u.request, eq->queue_id); | |
15269 | break; | |
15270 | } | |
15271 | ||
15272 | /* link the cq onto the parent eq child list */ | |
15273 | list_add_tail(&cq->list, &eq->child_list); | |
15274 | /* Set up completion queue's type and subtype */ | |
15275 | cq->type = type; | |
15276 | cq->subtype = subtype; | |
15277 | cq->assoc_qid = eq->queue_id; | |
6a828b0f | 15278 | cq->assoc_qp = eq; |
2d7dbc4c | 15279 | cq->host_index = 0; |
32517fc0 JS |
15280 | cq->notify_interval = LPFC_CQ_NOTIFY_INTRVL; |
15281 | cq->max_proc_limit = min(phba->cfg_cq_max_proc_limit, | |
15282 | cq->entry_count); | |
81b96eda | 15283 | cq->chann = idx; |
2d7dbc4c JS |
15284 | |
15285 | rc = 0; | |
15286 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
15287 | memset(dmabuf->virt, 0, hw_page_size); | |
15288 | cnt = page_idx + dmabuf->buffer_tag; | |
15289 | cq_set->u.request.page[cnt].addr_lo = | |
15290 | putPaddrLow(dmabuf->phys); | |
15291 | cq_set->u.request.page[cnt].addr_hi = | |
15292 | putPaddrHigh(dmabuf->phys); | |
15293 | rc++; | |
15294 | } | |
15295 | page_idx += rc; | |
15296 | } | |
15297 | ||
15298 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15299 | ||
15300 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15301 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15302 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15303 | if (shdr_status || shdr_add_status || rc) { | |
15304 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15305 | "3119 CQ_CREATE_SET mailbox failed with " | |
15306 | "status x%x add_status x%x, mbx status x%x\n", | |
15307 | shdr_status, shdr_add_status, rc); | |
15308 | status = -ENXIO; | |
15309 | goto out; | |
15310 | } | |
15311 | rc = bf_get(lpfc_mbx_cq_create_set_base_id, &cq_set->u.response); | |
15312 | if (rc == 0xFFFF) { | |
15313 | status = -ENXIO; | |
15314 | goto out; | |
15315 | } | |
15316 | ||
15317 | for (idx = 0; idx < numcq; idx++) { | |
15318 | cq = cqp[idx]; | |
15319 | cq->queue_id = rc + idx; | |
6a828b0f JS |
15320 | if (cq->queue_id > phba->sli4_hba.cq_max) |
15321 | phba->sli4_hba.cq_max = cq->queue_id; | |
2d7dbc4c JS |
15322 | } |
15323 | ||
15324 | out: | |
15325 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
15326 | return status; | |
15327 | } | |
15328 | ||
b19a061a JS |
15329 | /** |
15330 | * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration | |
15331 | * @phba: HBA structure that indicates port to create a queue on. | |
15332 | * @mq: The queue structure to use to create the mailbox queue. | |
15333 | * @mbox: An allocated pointer to type LPFC_MBOXQ_t | |
15334 | * @cq: The completion queue to associate with this cq. | |
15335 | * | |
15336 | * This function provides failback (fb) functionality when the | |
15337 | * mq_create_ext fails on older FW generations. It's purpose is identical | |
15338 | * to mq_create_ext otherwise. | |
15339 | * | |
15340 | * This routine cannot fail as all attributes were previously accessed and | |
15341 | * initialized in mq_create_ext. | |
15342 | **/ | |
15343 | static void | |
15344 | lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq, | |
15345 | LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq) | |
15346 | { | |
15347 | struct lpfc_mbx_mq_create *mq_create; | |
15348 | struct lpfc_dmabuf *dmabuf; | |
15349 | int length; | |
15350 | ||
15351 | length = (sizeof(struct lpfc_mbx_mq_create) - | |
15352 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15353 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15354 | LPFC_MBOX_OPCODE_MQ_CREATE, | |
15355 | length, LPFC_SLI4_MBX_EMBED); | |
15356 | mq_create = &mbox->u.mqe.un.mq_create; | |
15357 | bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, | |
15358 | mq->page_count); | |
15359 | bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, | |
15360 | cq->queue_id); | |
15361 | bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); | |
15362 | switch (mq->entry_count) { | |
15363 | case 16: | |
5a6f133e JS |
15364 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15365 | LPFC_MQ_RING_SIZE_16); | |
b19a061a JS |
15366 | break; |
15367 | case 32: | |
5a6f133e JS |
15368 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15369 | LPFC_MQ_RING_SIZE_32); | |
b19a061a JS |
15370 | break; |
15371 | case 64: | |
5a6f133e JS |
15372 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15373 | LPFC_MQ_RING_SIZE_64); | |
b19a061a JS |
15374 | break; |
15375 | case 128: | |
5a6f133e JS |
15376 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
15377 | LPFC_MQ_RING_SIZE_128); | |
b19a061a JS |
15378 | break; |
15379 | } | |
15380 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
15381 | mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
15382 | putPaddrLow(dmabuf->phys); | |
15383 | mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15384 | putPaddrHigh(dmabuf->phys); | |
15385 | } | |
15386 | } | |
15387 | ||
04c68496 JS |
15388 | /** |
15389 | * lpfc_mq_create - Create a mailbox Queue on the HBA | |
15390 | * @phba: HBA structure that indicates port to create a queue on. | |
15391 | * @mq: The queue structure to use to create the mailbox queue. | |
b19a061a JS |
15392 | * @cq: The completion queue to associate with this cq. |
15393 | * @subtype: The queue's subtype. | |
04c68496 JS |
15394 | * |
15395 | * This function creates a mailbox queue, as detailed in @mq, on a port, | |
15396 | * described by @phba by sending a MQ_CREATE mailbox command to the HBA. | |
15397 | * | |
15398 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
15399 | * is used to get the entry count and entry size that are necessary to | |
15400 | * determine the number of pages to allocate and use for this queue. This | |
15401 | * function will send the MQ_CREATE mailbox command to the HBA to setup the | |
15402 | * mailbox queue. This function is asynchronous and will wait for the mailbox | |
15403 | * command to finish before continuing. | |
15404 | * | |
15405 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15406 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15407 | * fails this function will return -ENXIO. | |
04c68496 | 15408 | **/ |
b19a061a | 15409 | int32_t |
04c68496 JS |
15410 | lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, |
15411 | struct lpfc_queue *cq, uint32_t subtype) | |
15412 | { | |
15413 | struct lpfc_mbx_mq_create *mq_create; | |
b19a061a | 15414 | struct lpfc_mbx_mq_create_ext *mq_create_ext; |
04c68496 JS |
15415 | struct lpfc_dmabuf *dmabuf; |
15416 | LPFC_MBOXQ_t *mbox; | |
15417 | int rc, length, status = 0; | |
15418 | uint32_t shdr_status, shdr_add_status; | |
15419 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15420 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
04c68496 | 15421 | |
2e90f4b5 JS |
15422 | /* sanity check on queue memory */ |
15423 | if (!mq || !cq) | |
15424 | return -ENODEV; | |
49198b37 JS |
15425 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15426 | hw_page_size = SLI4_PAGE_SIZE; | |
b19a061a | 15427 | |
04c68496 JS |
15428 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
15429 | if (!mbox) | |
15430 | return -ENOMEM; | |
b19a061a | 15431 | length = (sizeof(struct lpfc_mbx_mq_create_ext) - |
04c68496 JS |
15432 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
15433 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
b19a061a | 15434 | LPFC_MBOX_OPCODE_MQ_CREATE_EXT, |
04c68496 | 15435 | length, LPFC_SLI4_MBX_EMBED); |
b19a061a JS |
15436 | |
15437 | mq_create_ext = &mbox->u.mqe.un.mq_create_ext; | |
5a6f133e | 15438 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr; |
70f3c073 JS |
15439 | bf_set(lpfc_mbx_mq_create_ext_num_pages, |
15440 | &mq_create_ext->u.request, mq->page_count); | |
15441 | bf_set(lpfc_mbx_mq_create_ext_async_evt_link, | |
15442 | &mq_create_ext->u.request, 1); | |
15443 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fip, | |
b19a061a JS |
15444 | &mq_create_ext->u.request, 1); |
15445 | bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, | |
15446 | &mq_create_ext->u.request, 1); | |
70f3c073 JS |
15447 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fc, |
15448 | &mq_create_ext->u.request, 1); | |
15449 | bf_set(lpfc_mbx_mq_create_ext_async_evt_sli, | |
15450 | &mq_create_ext->u.request, 1); | |
b19a061a | 15451 | bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); |
5a6f133e JS |
15452 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15453 | phba->sli4_hba.pc_sli4_params.mqv); | |
15454 | if (phba->sli4_hba.pc_sli4_params.mqv == LPFC_Q_CREATE_VERSION_1) | |
15455 | bf_set(lpfc_mbx_mq_create_ext_cq_id, &mq_create_ext->u.request, | |
15456 | cq->queue_id); | |
15457 | else | |
15458 | bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, | |
15459 | cq->queue_id); | |
04c68496 JS |
15460 | switch (mq->entry_count) { |
15461 | default: | |
15462 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15463 | "0362 Unsupported MQ count. (%d)\n", | |
15464 | mq->entry_count); | |
4f4c1863 JS |
15465 | if (mq->entry_count < 16) { |
15466 | status = -EINVAL; | |
15467 | goto out; | |
15468 | } | |
5bd5f66c | 15469 | /* fall through - otherwise default to smallest count */ |
04c68496 | 15470 | case 16: |
5a6f133e JS |
15471 | bf_set(lpfc_mq_context_ring_size, |
15472 | &mq_create_ext->u.request.context, | |
15473 | LPFC_MQ_RING_SIZE_16); | |
04c68496 JS |
15474 | break; |
15475 | case 32: | |
5a6f133e JS |
15476 | bf_set(lpfc_mq_context_ring_size, |
15477 | &mq_create_ext->u.request.context, | |
15478 | LPFC_MQ_RING_SIZE_32); | |
04c68496 JS |
15479 | break; |
15480 | case 64: | |
5a6f133e JS |
15481 | bf_set(lpfc_mq_context_ring_size, |
15482 | &mq_create_ext->u.request.context, | |
15483 | LPFC_MQ_RING_SIZE_64); | |
04c68496 JS |
15484 | break; |
15485 | case 128: | |
5a6f133e JS |
15486 | bf_set(lpfc_mq_context_ring_size, |
15487 | &mq_create_ext->u.request.context, | |
15488 | LPFC_MQ_RING_SIZE_128); | |
04c68496 JS |
15489 | break; |
15490 | } | |
15491 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
49198b37 | 15492 | memset(dmabuf->virt, 0, hw_page_size); |
b19a061a | 15493 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo = |
04c68496 | 15494 | putPaddrLow(dmabuf->phys); |
b19a061a | 15495 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi = |
04c68496 JS |
15496 | putPaddrHigh(dmabuf->phys); |
15497 | } | |
15498 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
b19a061a JS |
15499 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, |
15500 | &mq_create_ext->u.response); | |
15501 | if (rc != MBX_SUCCESS) { | |
15502 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15503 | "2795 MQ_CREATE_EXT failed with " | |
15504 | "status x%x. Failback to MQ_CREATE.\n", | |
15505 | rc); | |
15506 | lpfc_mq_create_fb_init(phba, mq, mbox, cq); | |
15507 | mq_create = &mbox->u.mqe.un.mq_create; | |
15508 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15509 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; | |
15510 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, | |
15511 | &mq_create->u.response); | |
15512 | } | |
15513 | ||
04c68496 | 15514 | /* The IOCTL status is embedded in the mailbox subheader. */ |
04c68496 JS |
15515 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15516 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15517 | if (shdr_status || shdr_add_status || rc) { | |
15518 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15519 | "2502 MQ_CREATE mailbox failed with " | |
15520 | "status x%x add_status x%x, mbx status x%x\n", | |
15521 | shdr_status, shdr_add_status, rc); | |
15522 | status = -ENXIO; | |
15523 | goto out; | |
15524 | } | |
04c68496 JS |
15525 | if (mq->queue_id == 0xFFFF) { |
15526 | status = -ENXIO; | |
15527 | goto out; | |
15528 | } | |
15529 | mq->type = LPFC_MQ; | |
2a622bfb | 15530 | mq->assoc_qid = cq->queue_id; |
04c68496 JS |
15531 | mq->subtype = subtype; |
15532 | mq->host_index = 0; | |
15533 | mq->hba_index = 0; | |
15534 | ||
15535 | /* link the mq onto the parent cq child list */ | |
15536 | list_add_tail(&mq->list, &cq->child_list); | |
15537 | out: | |
8fa38513 | 15538 | mempool_free(mbox, phba->mbox_mem_pool); |
04c68496 JS |
15539 | return status; |
15540 | } | |
15541 | ||
4f774513 JS |
15542 | /** |
15543 | * lpfc_wq_create - Create a Work Queue on the HBA | |
15544 | * @phba: HBA structure that indicates port to create a queue on. | |
15545 | * @wq: The queue structure to use to create the work queue. | |
15546 | * @cq: The completion queue to bind this work queue to. | |
15547 | * @subtype: The subtype of the work queue indicating its functionality. | |
15548 | * | |
15549 | * This function creates a work queue, as detailed in @wq, on a port, described | |
15550 | * by @phba by sending a WQ_CREATE mailbox command to the HBA. | |
15551 | * | |
15552 | * The @phba struct is used to send mailbox command to HBA. The @wq struct | |
15553 | * is used to get the entry count and entry size that are necessary to | |
15554 | * determine the number of pages to allocate and use for this queue. The @cq | |
15555 | * is used to indicate which completion queue to bind this work queue to. This | |
15556 | * function will send the WQ_CREATE mailbox command to the HBA to setup the | |
15557 | * work queue. This function is asynchronous and will wait for the mailbox | |
15558 | * command to finish before continuing. | |
15559 | * | |
15560 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15561 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15562 | * fails this function will return -ENXIO. | |
4f774513 | 15563 | **/ |
a2fc4aef | 15564 | int |
4f774513 JS |
15565 | lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, |
15566 | struct lpfc_queue *cq, uint32_t subtype) | |
15567 | { | |
15568 | struct lpfc_mbx_wq_create *wq_create; | |
15569 | struct lpfc_dmabuf *dmabuf; | |
15570 | LPFC_MBOXQ_t *mbox; | |
15571 | int rc, length, status = 0; | |
15572 | uint32_t shdr_status, shdr_add_status; | |
15573 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15574 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
5a6f133e | 15575 | struct dma_address *page; |
962bc51b JS |
15576 | void __iomem *bar_memmap_p; |
15577 | uint32_t db_offset; | |
15578 | uint16_t pci_barset; | |
1351e69f JS |
15579 | uint8_t dpp_barset; |
15580 | uint32_t dpp_offset; | |
15581 | unsigned long pg_addr; | |
81b96eda | 15582 | uint8_t wq_create_version; |
49198b37 | 15583 | |
2e90f4b5 JS |
15584 | /* sanity check on queue memory */ |
15585 | if (!wq || !cq) | |
15586 | return -ENODEV; | |
49198b37 | 15587 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 15588 | hw_page_size = wq->page_size; |
4f774513 JS |
15589 | |
15590 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15591 | if (!mbox) | |
15592 | return -ENOMEM; | |
15593 | length = (sizeof(struct lpfc_mbx_wq_create) - | |
15594 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15595 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15596 | LPFC_MBOX_OPCODE_FCOE_WQ_CREATE, | |
15597 | length, LPFC_SLI4_MBX_EMBED); | |
15598 | wq_create = &mbox->u.mqe.un.wq_create; | |
5a6f133e | 15599 | shdr = (union lpfc_sli4_cfg_shdr *) &wq_create->header.cfg_shdr; |
4f774513 JS |
15600 | bf_set(lpfc_mbx_wq_create_num_pages, &wq_create->u.request, |
15601 | wq->page_count); | |
15602 | bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request, | |
15603 | cq->queue_id); | |
0c651878 JS |
15604 | |
15605 | /* wqv is the earliest version supported, NOT the latest */ | |
5a6f133e JS |
15606 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15607 | phba->sli4_hba.pc_sli4_params.wqv); | |
962bc51b | 15608 | |
c176ffa0 JS |
15609 | if ((phba->sli4_hba.pc_sli4_params.wqsize & LPFC_WQ_SZ128_SUPPORT) || |
15610 | (wq->page_size > SLI4_PAGE_SIZE)) | |
81b96eda JS |
15611 | wq_create_version = LPFC_Q_CREATE_VERSION_1; |
15612 | else | |
15613 | wq_create_version = LPFC_Q_CREATE_VERSION_0; | |
15614 | ||
0c651878 | 15615 | |
1351e69f JS |
15616 | if (phba->sli4_hba.pc_sli4_params.wqsize & LPFC_WQ_SZ128_SUPPORT) |
15617 | wq_create_version = LPFC_Q_CREATE_VERSION_1; | |
15618 | else | |
15619 | wq_create_version = LPFC_Q_CREATE_VERSION_0; | |
15620 | ||
15621 | switch (wq_create_version) { | |
0c651878 | 15622 | case LPFC_Q_CREATE_VERSION_1: |
5a6f133e JS |
15623 | bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1, |
15624 | wq->entry_count); | |
3f247de7 JS |
15625 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15626 | LPFC_Q_CREATE_VERSION_1); | |
15627 | ||
5a6f133e JS |
15628 | switch (wq->entry_size) { |
15629 | default: | |
15630 | case 64: | |
15631 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
15632 | &wq_create->u.request_1, | |
15633 | LPFC_WQ_WQE_SIZE_64); | |
15634 | break; | |
15635 | case 128: | |
15636 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
15637 | &wq_create->u.request_1, | |
15638 | LPFC_WQ_WQE_SIZE_128); | |
15639 | break; | |
15640 | } | |
1351e69f JS |
15641 | /* Request DPP by default */ |
15642 | bf_set(lpfc_mbx_wq_create_dpp_req, &wq_create->u.request_1, 1); | |
8ea73db4 JS |
15643 | bf_set(lpfc_mbx_wq_create_page_size, |
15644 | &wq_create->u.request_1, | |
81b96eda | 15645 | (wq->page_size / SLI4_PAGE_SIZE)); |
5a6f133e | 15646 | page = wq_create->u.request_1.page; |
0c651878 JS |
15647 | break; |
15648 | default: | |
1351e69f JS |
15649 | page = wq_create->u.request.page; |
15650 | break; | |
5a6f133e | 15651 | } |
0c651878 | 15652 | |
4f774513 | 15653 | list_for_each_entry(dmabuf, &wq->page_list, list) { |
49198b37 | 15654 | memset(dmabuf->virt, 0, hw_page_size); |
5a6f133e JS |
15655 | page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); |
15656 | page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys); | |
4f774513 | 15657 | } |
962bc51b JS |
15658 | |
15659 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) | |
15660 | bf_set(lpfc_mbx_wq_create_dua, &wq_create->u.request, 1); | |
15661 | ||
4f774513 JS |
15662 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15663 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15664 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15665 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15666 | if (shdr_status || shdr_add_status || rc) { | |
15667 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15668 | "2503 WQ_CREATE mailbox failed with " | |
15669 | "status x%x add_status x%x, mbx status x%x\n", | |
15670 | shdr_status, shdr_add_status, rc); | |
15671 | status = -ENXIO; | |
15672 | goto out; | |
15673 | } | |
1351e69f JS |
15674 | |
15675 | if (wq_create_version == LPFC_Q_CREATE_VERSION_0) | |
15676 | wq->queue_id = bf_get(lpfc_mbx_wq_create_q_id, | |
15677 | &wq_create->u.response); | |
15678 | else | |
15679 | wq->queue_id = bf_get(lpfc_mbx_wq_create_v1_q_id, | |
15680 | &wq_create->u.response_1); | |
15681 | ||
4f774513 JS |
15682 | if (wq->queue_id == 0xFFFF) { |
15683 | status = -ENXIO; | |
15684 | goto out; | |
15685 | } | |
1351e69f JS |
15686 | |
15687 | wq->db_format = LPFC_DB_LIST_FORMAT; | |
15688 | if (wq_create_version == LPFC_Q_CREATE_VERSION_0) { | |
15689 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
15690 | wq->db_format = bf_get(lpfc_mbx_wq_create_db_format, | |
15691 | &wq_create->u.response); | |
15692 | if ((wq->db_format != LPFC_DB_LIST_FORMAT) && | |
15693 | (wq->db_format != LPFC_DB_RING_FORMAT)) { | |
15694 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15695 | "3265 WQ[%d] doorbell format " | |
15696 | "not supported: x%x\n", | |
15697 | wq->queue_id, wq->db_format); | |
15698 | status = -EINVAL; | |
15699 | goto out; | |
15700 | } | |
15701 | pci_barset = bf_get(lpfc_mbx_wq_create_bar_set, | |
15702 | &wq_create->u.response); | |
15703 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15704 | pci_barset); | |
15705 | if (!bar_memmap_p) { | |
15706 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15707 | "3263 WQ[%d] failed to memmap " | |
15708 | "pci barset:x%x\n", | |
15709 | wq->queue_id, pci_barset); | |
15710 | status = -ENOMEM; | |
15711 | goto out; | |
15712 | } | |
15713 | db_offset = wq_create->u.response.doorbell_offset; | |
15714 | if ((db_offset != LPFC_ULP0_WQ_DOORBELL) && | |
15715 | (db_offset != LPFC_ULP1_WQ_DOORBELL)) { | |
15716 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15717 | "3252 WQ[%d] doorbell offset " | |
15718 | "not supported: x%x\n", | |
15719 | wq->queue_id, db_offset); | |
15720 | status = -EINVAL; | |
15721 | goto out; | |
15722 | } | |
15723 | wq->db_regaddr = bar_memmap_p + db_offset; | |
15724 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15725 | "3264 WQ[%d]: barset:x%x, offset:x%x, " | |
15726 | "format:x%x\n", wq->queue_id, | |
15727 | pci_barset, db_offset, wq->db_format); | |
15728 | } else | |
15729 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
962bc51b | 15730 | } else { |
1351e69f JS |
15731 | /* Check if DPP was honored by the firmware */ |
15732 | wq->dpp_enable = bf_get(lpfc_mbx_wq_create_dpp_rsp, | |
15733 | &wq_create->u.response_1); | |
15734 | if (wq->dpp_enable) { | |
15735 | pci_barset = bf_get(lpfc_mbx_wq_create_v1_bar_set, | |
15736 | &wq_create->u.response_1); | |
15737 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15738 | pci_barset); | |
15739 | if (!bar_memmap_p) { | |
15740 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15741 | "3267 WQ[%d] failed to memmap " | |
15742 | "pci barset:x%x\n", | |
15743 | wq->queue_id, pci_barset); | |
15744 | status = -ENOMEM; | |
15745 | goto out; | |
15746 | } | |
15747 | db_offset = wq_create->u.response_1.doorbell_offset; | |
15748 | wq->db_regaddr = bar_memmap_p + db_offset; | |
15749 | wq->dpp_id = bf_get(lpfc_mbx_wq_create_dpp_id, | |
15750 | &wq_create->u.response_1); | |
15751 | dpp_barset = bf_get(lpfc_mbx_wq_create_dpp_bar, | |
15752 | &wq_create->u.response_1); | |
15753 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, | |
15754 | dpp_barset); | |
15755 | if (!bar_memmap_p) { | |
15756 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15757 | "3268 WQ[%d] failed to memmap " | |
15758 | "pci barset:x%x\n", | |
15759 | wq->queue_id, dpp_barset); | |
15760 | status = -ENOMEM; | |
15761 | goto out; | |
15762 | } | |
15763 | dpp_offset = wq_create->u.response_1.dpp_offset; | |
15764 | wq->dpp_regaddr = bar_memmap_p + dpp_offset; | |
15765 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
15766 | "3271 WQ[%d]: barset:x%x, offset:x%x, " | |
15767 | "dpp_id:x%x dpp_barset:x%x " | |
15768 | "dpp_offset:x%x\n", | |
15769 | wq->queue_id, pci_barset, db_offset, | |
15770 | wq->dpp_id, dpp_barset, dpp_offset); | |
15771 | ||
15772 | /* Enable combined writes for DPP aperture */ | |
15773 | pg_addr = (unsigned long)(wq->dpp_regaddr) & PAGE_MASK; | |
15774 | #ifdef CONFIG_X86 | |
15775 | rc = set_memory_wc(pg_addr, 1); | |
15776 | if (rc) { | |
15777 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15778 | "3272 Cannot setup Combined " | |
15779 | "Write on WQ[%d] - disable DPP\n", | |
15780 | wq->queue_id); | |
15781 | phba->cfg_enable_dpp = 0; | |
15782 | } | |
15783 | #else | |
15784 | phba->cfg_enable_dpp = 0; | |
15785 | #endif | |
15786 | } else | |
15787 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
962bc51b | 15788 | } |
895427bd JS |
15789 | wq->pring = kzalloc(sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
15790 | if (wq->pring == NULL) { | |
15791 | status = -ENOMEM; | |
15792 | goto out; | |
15793 | } | |
4f774513 | 15794 | wq->type = LPFC_WQ; |
2a622bfb | 15795 | wq->assoc_qid = cq->queue_id; |
4f774513 JS |
15796 | wq->subtype = subtype; |
15797 | wq->host_index = 0; | |
15798 | wq->hba_index = 0; | |
32517fc0 | 15799 | wq->notify_interval = LPFC_WQ_NOTIFY_INTRVL; |
4f774513 JS |
15800 | |
15801 | /* link the wq onto the parent cq child list */ | |
15802 | list_add_tail(&wq->list, &cq->child_list); | |
15803 | out: | |
8fa38513 | 15804 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
15805 | return status; |
15806 | } | |
15807 | ||
15808 | /** | |
15809 | * lpfc_rq_create - Create a Receive Queue on the HBA | |
15810 | * @phba: HBA structure that indicates port to create a queue on. | |
15811 | * @hrq: The queue structure to use to create the header receive queue. | |
15812 | * @drq: The queue structure to use to create the data receive queue. | |
15813 | * @cq: The completion queue to bind this work queue to. | |
15814 | * | |
15815 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
15816 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
15817 | * to the HBA. | |
15818 | * | |
15819 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
15820 | * struct is used to get the entry count that is necessary to determine the | |
15821 | * number of pages to use for this queue. The @cq is used to indicate which | |
15822 | * completion queue to bind received buffers that are posted to these queues to. | |
15823 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
15824 | * receive queue pair. This function is asynchronous and will wait for the | |
15825 | * mailbox command to finish before continuing. | |
15826 | * | |
15827 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15828 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15829 | * fails this function will return -ENXIO. | |
4f774513 | 15830 | **/ |
a2fc4aef | 15831 | int |
4f774513 JS |
15832 | lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
15833 | struct lpfc_queue *drq, struct lpfc_queue *cq, uint32_t subtype) | |
15834 | { | |
15835 | struct lpfc_mbx_rq_create *rq_create; | |
15836 | struct lpfc_dmabuf *dmabuf; | |
15837 | LPFC_MBOXQ_t *mbox; | |
15838 | int rc, length, status = 0; | |
15839 | uint32_t shdr_status, shdr_add_status; | |
15840 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15841 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
962bc51b JS |
15842 | void __iomem *bar_memmap_p; |
15843 | uint32_t db_offset; | |
15844 | uint16_t pci_barset; | |
49198b37 | 15845 | |
2e90f4b5 JS |
15846 | /* sanity check on queue memory */ |
15847 | if (!hrq || !drq || !cq) | |
15848 | return -ENODEV; | |
49198b37 JS |
15849 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15850 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
15851 | |
15852 | if (hrq->entry_count != drq->entry_count) | |
15853 | return -EINVAL; | |
15854 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15855 | if (!mbox) | |
15856 | return -ENOMEM; | |
15857 | length = (sizeof(struct lpfc_mbx_rq_create) - | |
15858 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15859 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15860 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15861 | length, LPFC_SLI4_MBX_EMBED); | |
15862 | rq_create = &mbox->u.mqe.un.rq_create; | |
5a6f133e JS |
15863 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; |
15864 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
15865 | phba->sli4_hba.pc_sli4_params.rqv); | |
15866 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
15867 | bf_set(lpfc_rq_context_rqe_count_1, | |
15868 | &rq_create->u.request.context, | |
15869 | hrq->entry_count); | |
15870 | rq_create->u.request.context.buffer_size = LPFC_HDR_BUF_SIZE; | |
c31098ce JS |
15871 | bf_set(lpfc_rq_context_rqe_size, |
15872 | &rq_create->u.request.context, | |
15873 | LPFC_RQE_SIZE_8); | |
15874 | bf_set(lpfc_rq_context_page_size, | |
15875 | &rq_create->u.request.context, | |
8ea73db4 | 15876 | LPFC_RQ_PAGE_SIZE_4096); |
5a6f133e JS |
15877 | } else { |
15878 | switch (hrq->entry_count) { | |
15879 | default: | |
15880 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15881 | "2535 Unsupported RQ count. (%d)\n", | |
15882 | hrq->entry_count); | |
4f4c1863 JS |
15883 | if (hrq->entry_count < 512) { |
15884 | status = -EINVAL; | |
15885 | goto out; | |
15886 | } | |
5bd5f66c | 15887 | /* fall through - otherwise default to smallest count */ |
5a6f133e JS |
15888 | case 512: |
15889 | bf_set(lpfc_rq_context_rqe_count, | |
15890 | &rq_create->u.request.context, | |
15891 | LPFC_RQ_RING_SIZE_512); | |
15892 | break; | |
15893 | case 1024: | |
15894 | bf_set(lpfc_rq_context_rqe_count, | |
15895 | &rq_create->u.request.context, | |
15896 | LPFC_RQ_RING_SIZE_1024); | |
15897 | break; | |
15898 | case 2048: | |
15899 | bf_set(lpfc_rq_context_rqe_count, | |
15900 | &rq_create->u.request.context, | |
15901 | LPFC_RQ_RING_SIZE_2048); | |
15902 | break; | |
15903 | case 4096: | |
15904 | bf_set(lpfc_rq_context_rqe_count, | |
15905 | &rq_create->u.request.context, | |
15906 | LPFC_RQ_RING_SIZE_4096); | |
15907 | break; | |
15908 | } | |
15909 | bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, | |
15910 | LPFC_HDR_BUF_SIZE); | |
4f774513 JS |
15911 | } |
15912 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
15913 | cq->queue_id); | |
15914 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
15915 | hrq->page_count); | |
4f774513 | 15916 | list_for_each_entry(dmabuf, &hrq->page_list, list) { |
49198b37 | 15917 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
15918 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
15919 | putPaddrLow(dmabuf->phys); | |
15920 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15921 | putPaddrHigh(dmabuf->phys); | |
15922 | } | |
962bc51b JS |
15923 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
15924 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
15925 | ||
4f774513 JS |
15926 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15927 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15928 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15929 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15930 | if (shdr_status || shdr_add_status || rc) { | |
15931 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15932 | "2504 RQ_CREATE mailbox failed with " | |
15933 | "status x%x add_status x%x, mbx status x%x\n", | |
15934 | shdr_status, shdr_add_status, rc); | |
15935 | status = -ENXIO; | |
15936 | goto out; | |
15937 | } | |
15938 | hrq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15939 | if (hrq->queue_id == 0xFFFF) { | |
15940 | status = -ENXIO; | |
15941 | goto out; | |
15942 | } | |
962bc51b JS |
15943 | |
15944 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
15945 | hrq->db_format = bf_get(lpfc_mbx_rq_create_db_format, | |
15946 | &rq_create->u.response); | |
15947 | if ((hrq->db_format != LPFC_DB_LIST_FORMAT) && | |
15948 | (hrq->db_format != LPFC_DB_RING_FORMAT)) { | |
15949 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15950 | "3262 RQ [%d] doorbell format not " | |
15951 | "supported: x%x\n", hrq->queue_id, | |
15952 | hrq->db_format); | |
15953 | status = -EINVAL; | |
15954 | goto out; | |
15955 | } | |
15956 | ||
15957 | pci_barset = bf_get(lpfc_mbx_rq_create_bar_set, | |
15958 | &rq_create->u.response); | |
15959 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset); | |
15960 | if (!bar_memmap_p) { | |
15961 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15962 | "3269 RQ[%d] failed to memmap pci " | |
15963 | "barset:x%x\n", hrq->queue_id, | |
15964 | pci_barset); | |
15965 | status = -ENOMEM; | |
15966 | goto out; | |
15967 | } | |
15968 | ||
15969 | db_offset = rq_create->u.response.doorbell_offset; | |
15970 | if ((db_offset != LPFC_ULP0_RQ_DOORBELL) && | |
15971 | (db_offset != LPFC_ULP1_RQ_DOORBELL)) { | |
15972 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15973 | "3270 RQ[%d] doorbell offset not " | |
15974 | "supported: x%x\n", hrq->queue_id, | |
15975 | db_offset); | |
15976 | status = -EINVAL; | |
15977 | goto out; | |
15978 | } | |
15979 | hrq->db_regaddr = bar_memmap_p + db_offset; | |
15980 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a22e7db3 JS |
15981 | "3266 RQ[qid:%d]: barset:x%x, offset:x%x, " |
15982 | "format:x%x\n", hrq->queue_id, pci_barset, | |
15983 | db_offset, hrq->db_format); | |
962bc51b JS |
15984 | } else { |
15985 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
15986 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15987 | } | |
4f774513 | 15988 | hrq->type = LPFC_HRQ; |
2a622bfb | 15989 | hrq->assoc_qid = cq->queue_id; |
4f774513 JS |
15990 | hrq->subtype = subtype; |
15991 | hrq->host_index = 0; | |
15992 | hrq->hba_index = 0; | |
32517fc0 | 15993 | hrq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
4f774513 JS |
15994 | |
15995 | /* now create the data queue */ | |
15996 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15997 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15998 | length, LPFC_SLI4_MBX_EMBED); | |
5a6f133e JS |
15999 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
16000 | phba->sli4_hba.pc_sli4_params.rqv); | |
16001 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
16002 | bf_set(lpfc_rq_context_rqe_count_1, | |
c31098ce | 16003 | &rq_create->u.request.context, hrq->entry_count); |
3c603be9 JS |
16004 | if (subtype == LPFC_NVMET) |
16005 | rq_create->u.request.context.buffer_size = | |
16006 | LPFC_NVMET_DATA_BUF_SIZE; | |
16007 | else | |
16008 | rq_create->u.request.context.buffer_size = | |
16009 | LPFC_DATA_BUF_SIZE; | |
c31098ce JS |
16010 | bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context, |
16011 | LPFC_RQE_SIZE_8); | |
16012 | bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context, | |
16013 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
5a6f133e JS |
16014 | } else { |
16015 | switch (drq->entry_count) { | |
16016 | default: | |
16017 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16018 | "2536 Unsupported RQ count. (%d)\n", | |
16019 | drq->entry_count); | |
4f4c1863 JS |
16020 | if (drq->entry_count < 512) { |
16021 | status = -EINVAL; | |
16022 | goto out; | |
16023 | } | |
5bd5f66c | 16024 | /* fall through - otherwise default to smallest count */ |
5a6f133e JS |
16025 | case 512: |
16026 | bf_set(lpfc_rq_context_rqe_count, | |
16027 | &rq_create->u.request.context, | |
16028 | LPFC_RQ_RING_SIZE_512); | |
16029 | break; | |
16030 | case 1024: | |
16031 | bf_set(lpfc_rq_context_rqe_count, | |
16032 | &rq_create->u.request.context, | |
16033 | LPFC_RQ_RING_SIZE_1024); | |
16034 | break; | |
16035 | case 2048: | |
16036 | bf_set(lpfc_rq_context_rqe_count, | |
16037 | &rq_create->u.request.context, | |
16038 | LPFC_RQ_RING_SIZE_2048); | |
16039 | break; | |
16040 | case 4096: | |
16041 | bf_set(lpfc_rq_context_rqe_count, | |
16042 | &rq_create->u.request.context, | |
16043 | LPFC_RQ_RING_SIZE_4096); | |
16044 | break; | |
16045 | } | |
3c603be9 JS |
16046 | if (subtype == LPFC_NVMET) |
16047 | bf_set(lpfc_rq_context_buf_size, | |
16048 | &rq_create->u.request.context, | |
16049 | LPFC_NVMET_DATA_BUF_SIZE); | |
16050 | else | |
16051 | bf_set(lpfc_rq_context_buf_size, | |
16052 | &rq_create->u.request.context, | |
16053 | LPFC_DATA_BUF_SIZE); | |
4f774513 JS |
16054 | } |
16055 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
16056 | cq->queue_id); | |
16057 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
16058 | drq->page_count); | |
4f774513 JS |
16059 | list_for_each_entry(dmabuf, &drq->page_list, list) { |
16060 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
16061 | putPaddrLow(dmabuf->phys); | |
16062 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
16063 | putPaddrHigh(dmabuf->phys); | |
16064 | } | |
962bc51b JS |
16065 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
16066 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
4f774513 JS |
16067 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
16068 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16069 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; | |
16070 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16071 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16072 | if (shdr_status || shdr_add_status || rc) { | |
16073 | status = -ENXIO; | |
16074 | goto out; | |
16075 | } | |
16076 | drq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
16077 | if (drq->queue_id == 0xFFFF) { | |
16078 | status = -ENXIO; | |
16079 | goto out; | |
16080 | } | |
16081 | drq->type = LPFC_DRQ; | |
2a622bfb | 16082 | drq->assoc_qid = cq->queue_id; |
4f774513 JS |
16083 | drq->subtype = subtype; |
16084 | drq->host_index = 0; | |
16085 | drq->hba_index = 0; | |
32517fc0 | 16086 | drq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
4f774513 JS |
16087 | |
16088 | /* link the header and data RQs onto the parent cq child list */ | |
16089 | list_add_tail(&hrq->list, &cq->child_list); | |
16090 | list_add_tail(&drq->list, &cq->child_list); | |
16091 | ||
16092 | out: | |
8fa38513 | 16093 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
16094 | return status; |
16095 | } | |
16096 | ||
2d7dbc4c JS |
16097 | /** |
16098 | * lpfc_mrq_create - Create MRQ Receive Queues on the HBA | |
16099 | * @phba: HBA structure that indicates port to create a queue on. | |
16100 | * @hrqp: The queue structure array to use to create the header receive queues. | |
16101 | * @drqp: The queue structure array to use to create the data receive queues. | |
16102 | * @cqp: The completion queue array to bind these receive queues to. | |
16103 | * | |
16104 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
16105 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
16106 | * to the HBA. | |
16107 | * | |
16108 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
16109 | * struct is used to get the entry count that is necessary to determine the | |
16110 | * number of pages to use for this queue. The @cq is used to indicate which | |
16111 | * completion queue to bind received buffers that are posted to these queues to. | |
16112 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
16113 | * receive queue pair. This function is asynchronous and will wait for the | |
16114 | * mailbox command to finish before continuing. | |
16115 | * | |
16116 | * On success this function will return a zero. If unable to allocate enough | |
16117 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
16118 | * fails this function will return -ENXIO. | |
16119 | **/ | |
16120 | int | |
16121 | lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, | |
16122 | struct lpfc_queue **drqp, struct lpfc_queue **cqp, | |
16123 | uint32_t subtype) | |
16124 | { | |
16125 | struct lpfc_queue *hrq, *drq, *cq; | |
16126 | struct lpfc_mbx_rq_create_v2 *rq_create; | |
16127 | struct lpfc_dmabuf *dmabuf; | |
16128 | LPFC_MBOXQ_t *mbox; | |
16129 | int rc, length, alloclen, status = 0; | |
16130 | int cnt, idx, numrq, page_idx = 0; | |
16131 | uint32_t shdr_status, shdr_add_status; | |
16132 | union lpfc_sli4_cfg_shdr *shdr; | |
16133 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
16134 | ||
16135 | numrq = phba->cfg_nvmet_mrq; | |
16136 | /* sanity check on array memory */ | |
16137 | if (!hrqp || !drqp || !cqp || !numrq) | |
16138 | return -ENODEV; | |
16139 | if (!phba->sli4_hba.pc_sli4_params.supported) | |
16140 | hw_page_size = SLI4_PAGE_SIZE; | |
16141 | ||
16142 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16143 | if (!mbox) | |
16144 | return -ENOMEM; | |
16145 | ||
16146 | length = sizeof(struct lpfc_mbx_rq_create_v2); | |
16147 | length += ((2 * numrq * hrqp[0]->page_count) * | |
16148 | sizeof(struct dma_address)); | |
16149 | ||
16150 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16151 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, length, | |
16152 | LPFC_SLI4_MBX_NEMBED); | |
16153 | if (alloclen < length) { | |
16154 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16155 | "3099 Allocated DMA memory size (%d) is " | |
16156 | "less than the requested DMA memory size " | |
16157 | "(%d)\n", alloclen, length); | |
16158 | status = -ENOMEM; | |
16159 | goto out; | |
16160 | } | |
16161 | ||
16162 | ||
16163 | ||
16164 | rq_create = mbox->sge_array->addr[0]; | |
16165 | shdr = (union lpfc_sli4_cfg_shdr *)&rq_create->cfg_shdr; | |
16166 | ||
16167 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_Q_CREATE_VERSION_2); | |
16168 | cnt = 0; | |
16169 | ||
16170 | for (idx = 0; idx < numrq; idx++) { | |
16171 | hrq = hrqp[idx]; | |
16172 | drq = drqp[idx]; | |
16173 | cq = cqp[idx]; | |
16174 | ||
2d7dbc4c JS |
16175 | /* sanity check on queue memory */ |
16176 | if (!hrq || !drq || !cq) { | |
16177 | status = -ENODEV; | |
16178 | goto out; | |
16179 | } | |
16180 | ||
7aabe84b JS |
16181 | if (hrq->entry_count != drq->entry_count) { |
16182 | status = -EINVAL; | |
16183 | goto out; | |
16184 | } | |
16185 | ||
2d7dbc4c JS |
16186 | if (idx == 0) { |
16187 | bf_set(lpfc_mbx_rq_create_num_pages, | |
16188 | &rq_create->u.request, | |
16189 | hrq->page_count); | |
16190 | bf_set(lpfc_mbx_rq_create_rq_cnt, | |
16191 | &rq_create->u.request, (numrq * 2)); | |
16192 | bf_set(lpfc_mbx_rq_create_dnb, &rq_create->u.request, | |
16193 | 1); | |
16194 | bf_set(lpfc_rq_context_base_cq, | |
16195 | &rq_create->u.request.context, | |
16196 | cq->queue_id); | |
16197 | bf_set(lpfc_rq_context_data_size, | |
16198 | &rq_create->u.request.context, | |
3c603be9 | 16199 | LPFC_NVMET_DATA_BUF_SIZE); |
2d7dbc4c JS |
16200 | bf_set(lpfc_rq_context_hdr_size, |
16201 | &rq_create->u.request.context, | |
16202 | LPFC_HDR_BUF_SIZE); | |
16203 | bf_set(lpfc_rq_context_rqe_count_1, | |
16204 | &rq_create->u.request.context, | |
16205 | hrq->entry_count); | |
16206 | bf_set(lpfc_rq_context_rqe_size, | |
16207 | &rq_create->u.request.context, | |
16208 | LPFC_RQE_SIZE_8); | |
16209 | bf_set(lpfc_rq_context_page_size, | |
16210 | &rq_create->u.request.context, | |
16211 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
16212 | } | |
16213 | rc = 0; | |
16214 | list_for_each_entry(dmabuf, &hrq->page_list, list) { | |
16215 | memset(dmabuf->virt, 0, hw_page_size); | |
16216 | cnt = page_idx + dmabuf->buffer_tag; | |
16217 | rq_create->u.request.page[cnt].addr_lo = | |
16218 | putPaddrLow(dmabuf->phys); | |
16219 | rq_create->u.request.page[cnt].addr_hi = | |
16220 | putPaddrHigh(dmabuf->phys); | |
16221 | rc++; | |
16222 | } | |
16223 | page_idx += rc; | |
16224 | ||
16225 | rc = 0; | |
16226 | list_for_each_entry(dmabuf, &drq->page_list, list) { | |
16227 | memset(dmabuf->virt, 0, hw_page_size); | |
16228 | cnt = page_idx + dmabuf->buffer_tag; | |
16229 | rq_create->u.request.page[cnt].addr_lo = | |
16230 | putPaddrLow(dmabuf->phys); | |
16231 | rq_create->u.request.page[cnt].addr_hi = | |
16232 | putPaddrHigh(dmabuf->phys); | |
16233 | rc++; | |
16234 | } | |
16235 | page_idx += rc; | |
16236 | ||
16237 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
16238 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
16239 | hrq->type = LPFC_HRQ; | |
16240 | hrq->assoc_qid = cq->queue_id; | |
16241 | hrq->subtype = subtype; | |
16242 | hrq->host_index = 0; | |
16243 | hrq->hba_index = 0; | |
32517fc0 | 16244 | hrq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
2d7dbc4c JS |
16245 | |
16246 | drq->db_format = LPFC_DB_RING_FORMAT; | |
16247 | drq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
16248 | drq->type = LPFC_DRQ; | |
16249 | drq->assoc_qid = cq->queue_id; | |
16250 | drq->subtype = subtype; | |
16251 | drq->host_index = 0; | |
16252 | drq->hba_index = 0; | |
32517fc0 | 16253 | drq->notify_interval = LPFC_RQ_NOTIFY_INTRVL; |
2d7dbc4c JS |
16254 | |
16255 | list_add_tail(&hrq->list, &cq->child_list); | |
16256 | list_add_tail(&drq->list, &cq->child_list); | |
16257 | } | |
16258 | ||
16259 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16260 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16261 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16262 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16263 | if (shdr_status || shdr_add_status || rc) { | |
16264 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16265 | "3120 RQ_CREATE mailbox failed with " | |
16266 | "status x%x add_status x%x, mbx status x%x\n", | |
16267 | shdr_status, shdr_add_status, rc); | |
16268 | status = -ENXIO; | |
16269 | goto out; | |
16270 | } | |
16271 | rc = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
16272 | if (rc == 0xFFFF) { | |
16273 | status = -ENXIO; | |
16274 | goto out; | |
16275 | } | |
16276 | ||
16277 | /* Initialize all RQs with associated queue id */ | |
16278 | for (idx = 0; idx < numrq; idx++) { | |
16279 | hrq = hrqp[idx]; | |
16280 | hrq->queue_id = rc + (2 * idx); | |
16281 | drq = drqp[idx]; | |
16282 | drq->queue_id = rc + (2 * idx) + 1; | |
16283 | } | |
16284 | ||
16285 | out: | |
16286 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16287 | return status; | |
16288 | } | |
16289 | ||
4f774513 JS |
16290 | /** |
16291 | * lpfc_eq_destroy - Destroy an event Queue on the HBA | |
16292 | * @eq: The queue structure associated with the queue to destroy. | |
16293 | * | |
16294 | * This function destroys a queue, as detailed in @eq by sending an mailbox | |
16295 | * command, specific to the type of queue, to the HBA. | |
16296 | * | |
16297 | * The @eq struct is used to get the queue ID of the queue to destroy. | |
16298 | * | |
16299 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16300 | * command fails this function will return -ENXIO. |
4f774513 | 16301 | **/ |
a2fc4aef | 16302 | int |
4f774513 JS |
16303 | lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq) |
16304 | { | |
16305 | LPFC_MBOXQ_t *mbox; | |
16306 | int rc, length, status = 0; | |
16307 | uint32_t shdr_status, shdr_add_status; | |
16308 | union lpfc_sli4_cfg_shdr *shdr; | |
16309 | ||
2e90f4b5 | 16310 | /* sanity check on queue memory */ |
4f774513 JS |
16311 | if (!eq) |
16312 | return -ENODEV; | |
32517fc0 | 16313 | |
4f774513 JS |
16314 | mbox = mempool_alloc(eq->phba->mbox_mem_pool, GFP_KERNEL); |
16315 | if (!mbox) | |
16316 | return -ENOMEM; | |
16317 | length = (sizeof(struct lpfc_mbx_eq_destroy) - | |
16318 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16319 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16320 | LPFC_MBOX_OPCODE_EQ_DESTROY, | |
16321 | length, LPFC_SLI4_MBX_EMBED); | |
16322 | bf_set(lpfc_mbx_eq_destroy_q_id, &mbox->u.mqe.un.eq_destroy.u.request, | |
16323 | eq->queue_id); | |
16324 | mbox->vport = eq->phba->pport; | |
16325 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16326 | ||
16327 | rc = lpfc_sli_issue_mbox(eq->phba, mbox, MBX_POLL); | |
16328 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16329 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16330 | &mbox->u.mqe.un.eq_destroy.header.cfg_shdr; | |
16331 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16332 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16333 | if (shdr_status || shdr_add_status || rc) { | |
16334 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16335 | "2505 EQ_DESTROY mailbox failed with " | |
16336 | "status x%x add_status x%x, mbx status x%x\n", | |
16337 | shdr_status, shdr_add_status, rc); | |
16338 | status = -ENXIO; | |
16339 | } | |
16340 | ||
16341 | /* Remove eq from any list */ | |
16342 | list_del_init(&eq->list); | |
8fa38513 | 16343 | mempool_free(mbox, eq->phba->mbox_mem_pool); |
4f774513 JS |
16344 | return status; |
16345 | } | |
16346 | ||
16347 | /** | |
16348 | * lpfc_cq_destroy - Destroy a Completion Queue on the HBA | |
16349 | * @cq: The queue structure associated with the queue to destroy. | |
16350 | * | |
16351 | * This function destroys a queue, as detailed in @cq by sending an mailbox | |
16352 | * command, specific to the type of queue, to the HBA. | |
16353 | * | |
16354 | * The @cq struct is used to get the queue ID of the queue to destroy. | |
16355 | * | |
16356 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16357 | * command fails this function will return -ENXIO. |
4f774513 | 16358 | **/ |
a2fc4aef | 16359 | int |
4f774513 JS |
16360 | lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq) |
16361 | { | |
16362 | LPFC_MBOXQ_t *mbox; | |
16363 | int rc, length, status = 0; | |
16364 | uint32_t shdr_status, shdr_add_status; | |
16365 | union lpfc_sli4_cfg_shdr *shdr; | |
16366 | ||
2e90f4b5 | 16367 | /* sanity check on queue memory */ |
4f774513 JS |
16368 | if (!cq) |
16369 | return -ENODEV; | |
16370 | mbox = mempool_alloc(cq->phba->mbox_mem_pool, GFP_KERNEL); | |
16371 | if (!mbox) | |
16372 | return -ENOMEM; | |
16373 | length = (sizeof(struct lpfc_mbx_cq_destroy) - | |
16374 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16375 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16376 | LPFC_MBOX_OPCODE_CQ_DESTROY, | |
16377 | length, LPFC_SLI4_MBX_EMBED); | |
16378 | bf_set(lpfc_mbx_cq_destroy_q_id, &mbox->u.mqe.un.cq_destroy.u.request, | |
16379 | cq->queue_id); | |
16380 | mbox->vport = cq->phba->pport; | |
16381 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16382 | rc = lpfc_sli_issue_mbox(cq->phba, mbox, MBX_POLL); | |
16383 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16384 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16385 | &mbox->u.mqe.un.wq_create.header.cfg_shdr; | |
16386 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16387 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16388 | if (shdr_status || shdr_add_status || rc) { | |
16389 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16390 | "2506 CQ_DESTROY mailbox failed with " | |
16391 | "status x%x add_status x%x, mbx status x%x\n", | |
16392 | shdr_status, shdr_add_status, rc); | |
16393 | status = -ENXIO; | |
16394 | } | |
16395 | /* Remove cq from any list */ | |
16396 | list_del_init(&cq->list); | |
8fa38513 | 16397 | mempool_free(mbox, cq->phba->mbox_mem_pool); |
4f774513 JS |
16398 | return status; |
16399 | } | |
16400 | ||
04c68496 JS |
16401 | /** |
16402 | * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA | |
16403 | * @qm: The queue structure associated with the queue to destroy. | |
16404 | * | |
16405 | * This function destroys a queue, as detailed in @mq by sending an mailbox | |
16406 | * command, specific to the type of queue, to the HBA. | |
16407 | * | |
16408 | * The @mq struct is used to get the queue ID of the queue to destroy. | |
16409 | * | |
16410 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16411 | * command fails this function will return -ENXIO. |
04c68496 | 16412 | **/ |
a2fc4aef | 16413 | int |
04c68496 JS |
16414 | lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq) |
16415 | { | |
16416 | LPFC_MBOXQ_t *mbox; | |
16417 | int rc, length, status = 0; | |
16418 | uint32_t shdr_status, shdr_add_status; | |
16419 | union lpfc_sli4_cfg_shdr *shdr; | |
16420 | ||
2e90f4b5 | 16421 | /* sanity check on queue memory */ |
04c68496 JS |
16422 | if (!mq) |
16423 | return -ENODEV; | |
16424 | mbox = mempool_alloc(mq->phba->mbox_mem_pool, GFP_KERNEL); | |
16425 | if (!mbox) | |
16426 | return -ENOMEM; | |
16427 | length = (sizeof(struct lpfc_mbx_mq_destroy) - | |
16428 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16429 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
16430 | LPFC_MBOX_OPCODE_MQ_DESTROY, | |
16431 | length, LPFC_SLI4_MBX_EMBED); | |
16432 | bf_set(lpfc_mbx_mq_destroy_q_id, &mbox->u.mqe.un.mq_destroy.u.request, | |
16433 | mq->queue_id); | |
16434 | mbox->vport = mq->phba->pport; | |
16435 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16436 | rc = lpfc_sli_issue_mbox(mq->phba, mbox, MBX_POLL); | |
16437 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16438 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16439 | &mbox->u.mqe.un.mq_destroy.header.cfg_shdr; | |
16440 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16441 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16442 | if (shdr_status || shdr_add_status || rc) { | |
16443 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16444 | "2507 MQ_DESTROY mailbox failed with " | |
16445 | "status x%x add_status x%x, mbx status x%x\n", | |
16446 | shdr_status, shdr_add_status, rc); | |
16447 | status = -ENXIO; | |
16448 | } | |
16449 | /* Remove mq from any list */ | |
16450 | list_del_init(&mq->list); | |
8fa38513 | 16451 | mempool_free(mbox, mq->phba->mbox_mem_pool); |
04c68496 JS |
16452 | return status; |
16453 | } | |
16454 | ||
4f774513 JS |
16455 | /** |
16456 | * lpfc_wq_destroy - Destroy a Work Queue on the HBA | |
16457 | * @wq: The queue structure associated with the queue to destroy. | |
16458 | * | |
16459 | * This function destroys a queue, as detailed in @wq by sending an mailbox | |
16460 | * command, specific to the type of queue, to the HBA. | |
16461 | * | |
16462 | * The @wq struct is used to get the queue ID of the queue to destroy. | |
16463 | * | |
16464 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16465 | * command fails this function will return -ENXIO. |
4f774513 | 16466 | **/ |
a2fc4aef | 16467 | int |
4f774513 JS |
16468 | lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq) |
16469 | { | |
16470 | LPFC_MBOXQ_t *mbox; | |
16471 | int rc, length, status = 0; | |
16472 | uint32_t shdr_status, shdr_add_status; | |
16473 | union lpfc_sli4_cfg_shdr *shdr; | |
16474 | ||
2e90f4b5 | 16475 | /* sanity check on queue memory */ |
4f774513 JS |
16476 | if (!wq) |
16477 | return -ENODEV; | |
16478 | mbox = mempool_alloc(wq->phba->mbox_mem_pool, GFP_KERNEL); | |
16479 | if (!mbox) | |
16480 | return -ENOMEM; | |
16481 | length = (sizeof(struct lpfc_mbx_wq_destroy) - | |
16482 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
16483 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16484 | LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY, | |
16485 | length, LPFC_SLI4_MBX_EMBED); | |
16486 | bf_set(lpfc_mbx_wq_destroy_q_id, &mbox->u.mqe.un.wq_destroy.u.request, | |
16487 | wq->queue_id); | |
16488 | mbox->vport = wq->phba->pport; | |
16489 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16490 | rc = lpfc_sli_issue_mbox(wq->phba, mbox, MBX_POLL); | |
16491 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16492 | &mbox->u.mqe.un.wq_destroy.header.cfg_shdr; | |
16493 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16494 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16495 | if (shdr_status || shdr_add_status || rc) { | |
16496 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16497 | "2508 WQ_DESTROY mailbox failed with " | |
16498 | "status x%x add_status x%x, mbx status x%x\n", | |
16499 | shdr_status, shdr_add_status, rc); | |
16500 | status = -ENXIO; | |
16501 | } | |
16502 | /* Remove wq from any list */ | |
16503 | list_del_init(&wq->list); | |
d1f525aa JS |
16504 | kfree(wq->pring); |
16505 | wq->pring = NULL; | |
8fa38513 | 16506 | mempool_free(mbox, wq->phba->mbox_mem_pool); |
4f774513 JS |
16507 | return status; |
16508 | } | |
16509 | ||
16510 | /** | |
16511 | * lpfc_rq_destroy - Destroy a Receive Queue on the HBA | |
16512 | * @rq: The queue structure associated with the queue to destroy. | |
16513 | * | |
16514 | * This function destroys a queue, as detailed in @rq by sending an mailbox | |
16515 | * command, specific to the type of queue, to the HBA. | |
16516 | * | |
16517 | * The @rq struct is used to get the queue ID of the queue to destroy. | |
16518 | * | |
16519 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 16520 | * command fails this function will return -ENXIO. |
4f774513 | 16521 | **/ |
a2fc4aef | 16522 | int |
4f774513 JS |
16523 | lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
16524 | struct lpfc_queue *drq) | |
16525 | { | |
16526 | LPFC_MBOXQ_t *mbox; | |
16527 | int rc, length, status = 0; | |
16528 | uint32_t shdr_status, shdr_add_status; | |
16529 | union lpfc_sli4_cfg_shdr *shdr; | |
16530 | ||
2e90f4b5 | 16531 | /* sanity check on queue memory */ |
4f774513 JS |
16532 | if (!hrq || !drq) |
16533 | return -ENODEV; | |
16534 | mbox = mempool_alloc(hrq->phba->mbox_mem_pool, GFP_KERNEL); | |
16535 | if (!mbox) | |
16536 | return -ENOMEM; | |
16537 | length = (sizeof(struct lpfc_mbx_rq_destroy) - | |
fedd3b7b | 16538 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
4f774513 JS |
16539 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, |
16540 | LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY, | |
16541 | length, LPFC_SLI4_MBX_EMBED); | |
16542 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
16543 | hrq->queue_id); | |
16544 | mbox->vport = hrq->phba->pport; | |
16545 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
16546 | rc = lpfc_sli_issue_mbox(hrq->phba, mbox, MBX_POLL); | |
16547 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
16548 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16549 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
16550 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16551 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16552 | if (shdr_status || shdr_add_status || rc) { | |
16553 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16554 | "2509 RQ_DESTROY mailbox failed with " | |
16555 | "status x%x add_status x%x, mbx status x%x\n", | |
16556 | shdr_status, shdr_add_status, rc); | |
16557 | if (rc != MBX_TIMEOUT) | |
16558 | mempool_free(mbox, hrq->phba->mbox_mem_pool); | |
16559 | return -ENXIO; | |
16560 | } | |
16561 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
16562 | drq->queue_id); | |
16563 | rc = lpfc_sli_issue_mbox(drq->phba, mbox, MBX_POLL); | |
16564 | shdr = (union lpfc_sli4_cfg_shdr *) | |
16565 | &mbox->u.mqe.un.rq_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) { | |
16569 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16570 | "2510 RQ_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 | list_del_init(&hrq->list); | |
16576 | list_del_init(&drq->list); | |
8fa38513 | 16577 | mempool_free(mbox, hrq->phba->mbox_mem_pool); |
4f774513 JS |
16578 | return status; |
16579 | } | |
16580 | ||
16581 | /** | |
16582 | * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA | |
16583 | * @phba: The virtual port for which this call being executed. | |
16584 | * @pdma_phys_addr0: Physical address of the 1st SGL page. | |
16585 | * @pdma_phys_addr1: Physical address of the 2nd SGL page. | |
16586 | * @xritag: the xritag that ties this io to the SGL pages. | |
16587 | * | |
16588 | * This routine will post the sgl pages for the IO that has the xritag | |
16589 | * that is in the iocbq structure. The xritag is assigned during iocbq | |
16590 | * creation and persists for as long as the driver is loaded. | |
16591 | * if the caller has fewer than 256 scatter gather segments to map then | |
16592 | * pdma_phys_addr1 should be 0. | |
16593 | * If the caller needs to map more than 256 scatter gather segment then | |
16594 | * pdma_phys_addr1 should be a valid physical address. | |
16595 | * physical address for SGLs must be 64 byte aligned. | |
16596 | * If you are going to map 2 SGL's then the first one must have 256 entries | |
16597 | * the second sgl can have between 1 and 256 entries. | |
16598 | * | |
16599 | * Return codes: | |
16600 | * 0 - Success | |
16601 | * -ENXIO, -ENOMEM - Failure | |
16602 | **/ | |
16603 | int | |
16604 | lpfc_sli4_post_sgl(struct lpfc_hba *phba, | |
16605 | dma_addr_t pdma_phys_addr0, | |
16606 | dma_addr_t pdma_phys_addr1, | |
16607 | uint16_t xritag) | |
16608 | { | |
16609 | struct lpfc_mbx_post_sgl_pages *post_sgl_pages; | |
16610 | LPFC_MBOXQ_t *mbox; | |
16611 | int rc; | |
16612 | uint32_t shdr_status, shdr_add_status; | |
6d368e53 | 16613 | uint32_t mbox_tmo; |
4f774513 JS |
16614 | union lpfc_sli4_cfg_shdr *shdr; |
16615 | ||
16616 | if (xritag == NO_XRI) { | |
16617 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16618 | "0364 Invalid param:\n"); | |
16619 | return -EINVAL; | |
16620 | } | |
16621 | ||
16622 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16623 | if (!mbox) | |
16624 | return -ENOMEM; | |
16625 | ||
16626 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16627 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
16628 | sizeof(struct lpfc_mbx_post_sgl_pages) - | |
fedd3b7b | 16629 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); |
4f774513 JS |
16630 | |
16631 | post_sgl_pages = (struct lpfc_mbx_post_sgl_pages *) | |
16632 | &mbox->u.mqe.un.post_sgl_pages; | |
16633 | bf_set(lpfc_post_sgl_pages_xri, post_sgl_pages, xritag); | |
16634 | bf_set(lpfc_post_sgl_pages_xricnt, post_sgl_pages, 1); | |
16635 | ||
16636 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_lo = | |
16637 | cpu_to_le32(putPaddrLow(pdma_phys_addr0)); | |
16638 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_hi = | |
16639 | cpu_to_le32(putPaddrHigh(pdma_phys_addr0)); | |
16640 | ||
16641 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_lo = | |
16642 | cpu_to_le32(putPaddrLow(pdma_phys_addr1)); | |
16643 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_hi = | |
16644 | cpu_to_le32(putPaddrHigh(pdma_phys_addr1)); | |
16645 | if (!phba->sli4_hba.intr_enable) | |
16646 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6d368e53 | 16647 | else { |
a183a15f | 16648 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
16649 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16650 | } | |
4f774513 JS |
16651 | /* The IOCTL status is embedded in the mailbox subheader. */ |
16652 | shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr; | |
16653 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16654 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16655 | if (rc != MBX_TIMEOUT) | |
16656 | mempool_free(mbox, phba->mbox_mem_pool); | |
16657 | if (shdr_status || shdr_add_status || rc) { | |
16658 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16659 | "2511 POST_SGL mailbox failed with " | |
16660 | "status x%x add_status x%x, mbx status x%x\n", | |
16661 | shdr_status, shdr_add_status, rc); | |
4f774513 JS |
16662 | } |
16663 | return 0; | |
16664 | } | |
4f774513 | 16665 | |
6d368e53 | 16666 | /** |
88a2cfbb | 16667 | * lpfc_sli4_alloc_xri - Get an available rpi in the device's range |
6d368e53 JS |
16668 | * @phba: pointer to lpfc hba data structure. |
16669 | * | |
16670 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb JS |
16671 | * HBA consistent with the SLI-4 interface spec. This routine |
16672 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to | |
16673 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6d368e53 | 16674 | * |
88a2cfbb JS |
16675 | * Returns |
16676 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful | |
16677 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. | |
16678 | **/ | |
5d8b8167 | 16679 | static uint16_t |
6d368e53 JS |
16680 | lpfc_sli4_alloc_xri(struct lpfc_hba *phba) |
16681 | { | |
16682 | unsigned long xri; | |
16683 | ||
16684 | /* | |
16685 | * Fetch the next logical xri. Because this index is logical, | |
16686 | * the driver starts at 0 each time. | |
16687 | */ | |
16688 | spin_lock_irq(&phba->hbalock); | |
16689 | xri = find_next_zero_bit(phba->sli4_hba.xri_bmask, | |
16690 | phba->sli4_hba.max_cfg_param.max_xri, 0); | |
16691 | if (xri >= phba->sli4_hba.max_cfg_param.max_xri) { | |
16692 | spin_unlock_irq(&phba->hbalock); | |
16693 | return NO_XRI; | |
16694 | } else { | |
16695 | set_bit(xri, phba->sli4_hba.xri_bmask); | |
16696 | phba->sli4_hba.max_cfg_param.xri_used++; | |
6d368e53 | 16697 | } |
6d368e53 JS |
16698 | spin_unlock_irq(&phba->hbalock); |
16699 | return xri; | |
16700 | } | |
16701 | ||
16702 | /** | |
16703 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
16704 | * @phba: pointer to lpfc hba data structure. | |
16705 | * | |
16706 | * This routine is invoked to release an xri to the pool of | |
16707 | * available rpis maintained by the driver. | |
16708 | **/ | |
5d8b8167 | 16709 | static void |
6d368e53 JS |
16710 | __lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) |
16711 | { | |
16712 | if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) { | |
6d368e53 JS |
16713 | phba->sli4_hba.max_cfg_param.xri_used--; |
16714 | } | |
16715 | } | |
16716 | ||
16717 | /** | |
16718 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
16719 | * @phba: pointer to lpfc hba data structure. | |
16720 | * | |
16721 | * This routine is invoked to release an xri to the pool of | |
16722 | * available rpis maintained by the driver. | |
16723 | **/ | |
16724 | void | |
16725 | lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) | |
16726 | { | |
16727 | spin_lock_irq(&phba->hbalock); | |
16728 | __lpfc_sli4_free_xri(phba, xri); | |
16729 | spin_unlock_irq(&phba->hbalock); | |
16730 | } | |
16731 | ||
4f774513 JS |
16732 | /** |
16733 | * lpfc_sli4_next_xritag - Get an xritag for the io | |
16734 | * @phba: Pointer to HBA context object. | |
16735 | * | |
16736 | * This function gets an xritag for the iocb. If there is no unused xritag | |
16737 | * it will return 0xffff. | |
16738 | * The function returns the allocated xritag if successful, else returns zero. | |
16739 | * Zero is not a valid xritag. | |
16740 | * The caller is not required to hold any lock. | |
16741 | **/ | |
16742 | uint16_t | |
16743 | lpfc_sli4_next_xritag(struct lpfc_hba *phba) | |
16744 | { | |
6d368e53 | 16745 | uint16_t xri_index; |
4f774513 | 16746 | |
6d368e53 | 16747 | xri_index = lpfc_sli4_alloc_xri(phba); |
81378052 JS |
16748 | if (xri_index == NO_XRI) |
16749 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
16750 | "2004 Failed to allocate XRI.last XRITAG is %d" | |
16751 | " Max XRI is %d, Used XRI is %d\n", | |
16752 | xri_index, | |
16753 | phba->sli4_hba.max_cfg_param.max_xri, | |
16754 | phba->sli4_hba.max_cfg_param.xri_used); | |
16755 | return xri_index; | |
4f774513 JS |
16756 | } |
16757 | ||
16758 | /** | |
895427bd | 16759 | * lpfc_sli4_post_sgl_list - post a block of ELS sgls to the port. |
4f774513 | 16760 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 JS |
16761 | * @post_sgl_list: pointer to els sgl entry list. |
16762 | * @count: number of els sgl entries on the list. | |
4f774513 JS |
16763 | * |
16764 | * This routine is invoked to post a block of driver's sgl pages to the | |
16765 | * HBA using non-embedded mailbox command. No Lock is held. This routine | |
16766 | * is only called when the driver is loading and after all IO has been | |
16767 | * stopped. | |
16768 | **/ | |
8a9d2e80 | 16769 | static int |
895427bd | 16770 | lpfc_sli4_post_sgl_list(struct lpfc_hba *phba, |
8a9d2e80 JS |
16771 | struct list_head *post_sgl_list, |
16772 | int post_cnt) | |
4f774513 | 16773 | { |
8a9d2e80 | 16774 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
4f774513 JS |
16775 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
16776 | struct sgl_page_pairs *sgl_pg_pairs; | |
16777 | void *viraddr; | |
16778 | LPFC_MBOXQ_t *mbox; | |
16779 | uint32_t reqlen, alloclen, pg_pairs; | |
16780 | uint32_t mbox_tmo; | |
8a9d2e80 JS |
16781 | uint16_t xritag_start = 0; |
16782 | int rc = 0; | |
4f774513 JS |
16783 | uint32_t shdr_status, shdr_add_status; |
16784 | union lpfc_sli4_cfg_shdr *shdr; | |
16785 | ||
895427bd | 16786 | reqlen = post_cnt * sizeof(struct sgl_page_pairs) + |
4f774513 | 16787 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 16788 | if (reqlen > SLI4_PAGE_SIZE) { |
895427bd | 16789 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4f774513 JS |
16790 | "2559 Block sgl registration required DMA " |
16791 | "size (%d) great than a page\n", reqlen); | |
16792 | return -ENOMEM; | |
16793 | } | |
895427bd | 16794 | |
4f774513 | 16795 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6d368e53 | 16796 | if (!mbox) |
4f774513 | 16797 | return -ENOMEM; |
4f774513 JS |
16798 | |
16799 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
16800 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16801 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
16802 | LPFC_SLI4_MBX_NEMBED); | |
16803 | ||
16804 | if (alloclen < reqlen) { | |
16805 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16806 | "0285 Allocated DMA memory size (%d) is " | |
16807 | "less than the requested DMA memory " | |
16808 | "size (%d)\n", alloclen, reqlen); | |
16809 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16810 | return -ENOMEM; | |
16811 | } | |
4f774513 | 16812 | /* Set up the SGL pages in the non-embedded DMA pages */ |
6d368e53 | 16813 | viraddr = mbox->sge_array->addr[0]; |
4f774513 JS |
16814 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; |
16815 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
16816 | ||
8a9d2e80 JS |
16817 | pg_pairs = 0; |
16818 | list_for_each_entry_safe(sglq_entry, sglq_next, post_sgl_list, list) { | |
4f774513 JS |
16819 | /* Set up the sge entry */ |
16820 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
16821 | cpu_to_le32(putPaddrLow(sglq_entry->phys)); | |
16822 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
16823 | cpu_to_le32(putPaddrHigh(sglq_entry->phys)); | |
16824 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
16825 | cpu_to_le32(putPaddrLow(0)); | |
16826 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
16827 | cpu_to_le32(putPaddrHigh(0)); | |
6d368e53 | 16828 | |
4f774513 JS |
16829 | /* Keep the first xritag on the list */ |
16830 | if (pg_pairs == 0) | |
16831 | xritag_start = sglq_entry->sli4_xritag; | |
16832 | sgl_pg_pairs++; | |
8a9d2e80 | 16833 | pg_pairs++; |
4f774513 | 16834 | } |
6d368e53 JS |
16835 | |
16836 | /* Complete initialization and perform endian conversion. */ | |
4f774513 | 16837 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); |
895427bd | 16838 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, post_cnt); |
4f774513 | 16839 | sgl->word0 = cpu_to_le32(sgl->word0); |
895427bd | 16840 | |
4f774513 JS |
16841 | if (!phba->sli4_hba.intr_enable) |
16842 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16843 | else { | |
a183a15f | 16844 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
16845 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16846 | } | |
16847 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
16848 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16849 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16850 | if (rc != MBX_TIMEOUT) | |
16851 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16852 | if (shdr_status || shdr_add_status || rc) { | |
16853 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16854 | "2513 POST_SGL_BLOCK mailbox command failed " | |
16855 | "status x%x add_status x%x mbx status x%x\n", | |
16856 | shdr_status, shdr_add_status, rc); | |
16857 | rc = -ENXIO; | |
16858 | } | |
16859 | return rc; | |
16860 | } | |
16861 | ||
16862 | /** | |
5e5b511d | 16863 | * lpfc_sli4_post_io_sgl_block - post a block of nvme sgl list to firmware |
4f774513 | 16864 | * @phba: pointer to lpfc hba data structure. |
0794d601 | 16865 | * @nblist: pointer to nvme buffer list. |
4f774513 JS |
16866 | * @count: number of scsi buffers on the list. |
16867 | * | |
16868 | * This routine is invoked to post a block of @count scsi sgl pages from a | |
0794d601 | 16869 | * SCSI buffer list @nblist to the HBA using non-embedded mailbox command. |
4f774513 JS |
16870 | * No Lock is held. |
16871 | * | |
16872 | **/ | |
0794d601 | 16873 | static int |
5e5b511d JS |
16874 | lpfc_sli4_post_io_sgl_block(struct lpfc_hba *phba, struct list_head *nblist, |
16875 | int count) | |
4f774513 | 16876 | { |
c490850a | 16877 | struct lpfc_io_buf *lpfc_ncmd; |
4f774513 JS |
16878 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
16879 | struct sgl_page_pairs *sgl_pg_pairs; | |
16880 | void *viraddr; | |
16881 | LPFC_MBOXQ_t *mbox; | |
16882 | uint32_t reqlen, alloclen, pg_pairs; | |
16883 | uint32_t mbox_tmo; | |
16884 | uint16_t xritag_start = 0; | |
16885 | int rc = 0; | |
16886 | uint32_t shdr_status, shdr_add_status; | |
16887 | dma_addr_t pdma_phys_bpl1; | |
16888 | union lpfc_sli4_cfg_shdr *shdr; | |
16889 | ||
16890 | /* Calculate the requested length of the dma memory */ | |
8a9d2e80 | 16891 | reqlen = count * sizeof(struct sgl_page_pairs) + |
4f774513 | 16892 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 16893 | if (reqlen > SLI4_PAGE_SIZE) { |
4f774513 | 16894 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
0794d601 | 16895 | "6118 Block sgl registration required DMA " |
4f774513 JS |
16896 | "size (%d) great than a page\n", reqlen); |
16897 | return -ENOMEM; | |
16898 | } | |
16899 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16900 | if (!mbox) { | |
16901 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
0794d601 | 16902 | "6119 Failed to allocate mbox cmd memory\n"); |
4f774513 JS |
16903 | return -ENOMEM; |
16904 | } | |
16905 | ||
16906 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
16907 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
0794d601 JS |
16908 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, |
16909 | reqlen, LPFC_SLI4_MBX_NEMBED); | |
4f774513 JS |
16910 | |
16911 | if (alloclen < reqlen) { | |
16912 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
0794d601 | 16913 | "6120 Allocated DMA memory size (%d) is " |
4f774513 JS |
16914 | "less than the requested DMA memory " |
16915 | "size (%d)\n", alloclen, reqlen); | |
16916 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16917 | return -ENOMEM; | |
16918 | } | |
6d368e53 | 16919 | |
4f774513 | 16920 | /* Get the first SGE entry from the non-embedded DMA memory */ |
4f774513 JS |
16921 | viraddr = mbox->sge_array->addr[0]; |
16922 | ||
16923 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
16924 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
16925 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
16926 | ||
16927 | pg_pairs = 0; | |
0794d601 | 16928 | list_for_each_entry(lpfc_ncmd, nblist, list) { |
4f774513 JS |
16929 | /* Set up the sge entry */ |
16930 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
0794d601 | 16931 | cpu_to_le32(putPaddrLow(lpfc_ncmd->dma_phys_sgl)); |
4f774513 | 16932 | sgl_pg_pairs->sgl_pg0_addr_hi = |
0794d601 | 16933 | cpu_to_le32(putPaddrHigh(lpfc_ncmd->dma_phys_sgl)); |
4f774513 | 16934 | if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) |
0794d601 JS |
16935 | pdma_phys_bpl1 = lpfc_ncmd->dma_phys_sgl + |
16936 | SGL_PAGE_SIZE; | |
4f774513 JS |
16937 | else |
16938 | pdma_phys_bpl1 = 0; | |
16939 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
16940 | cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); | |
16941 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
16942 | cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); | |
16943 | /* Keep the first xritag on the list */ | |
16944 | if (pg_pairs == 0) | |
0794d601 | 16945 | xritag_start = lpfc_ncmd->cur_iocbq.sli4_xritag; |
4f774513 JS |
16946 | sgl_pg_pairs++; |
16947 | pg_pairs++; | |
16948 | } | |
16949 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); | |
16950 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); | |
16951 | /* Perform endian conversion if necessary */ | |
16952 | sgl->word0 = cpu_to_le32(sgl->word0); | |
16953 | ||
0794d601 | 16954 | if (!phba->sli4_hba.intr_enable) { |
4f774513 | 16955 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
0794d601 | 16956 | } else { |
a183a15f | 16957 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
16958 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16959 | } | |
0794d601 | 16960 | shdr = (union lpfc_sli4_cfg_shdr *)&sgl->cfg_shdr; |
4f774513 JS |
16961 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
16962 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16963 | if (rc != MBX_TIMEOUT) | |
16964 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16965 | if (shdr_status || shdr_add_status || rc) { | |
16966 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
0794d601 | 16967 | "6125 POST_SGL_BLOCK mailbox command failed " |
4f774513 JS |
16968 | "status x%x add_status x%x mbx status x%x\n", |
16969 | shdr_status, shdr_add_status, rc); | |
16970 | rc = -ENXIO; | |
16971 | } | |
16972 | return rc; | |
16973 | } | |
16974 | ||
0794d601 | 16975 | /** |
5e5b511d | 16976 | * lpfc_sli4_post_io_sgl_list - Post blocks of nvme buffer sgls from a list |
0794d601 JS |
16977 | * @phba: pointer to lpfc hba data structure. |
16978 | * @post_nblist: pointer to the nvme buffer list. | |
16979 | * | |
16980 | * This routine walks a list of nvme buffers that was passed in. It attempts | |
16981 | * to construct blocks of nvme buffer sgls which contains contiguous xris and | |
16982 | * uses the non-embedded SGL block post mailbox commands to post to the port. | |
16983 | * For single NVME buffer sgl with non-contiguous xri, if any, it shall use | |
16984 | * embedded SGL post mailbox command for posting. The @post_nblist passed in | |
16985 | * must be local list, thus no lock is needed when manipulate the list. | |
16986 | * | |
16987 | * Returns: 0 = failure, non-zero number of successfully posted buffers. | |
16988 | **/ | |
16989 | int | |
5e5b511d JS |
16990 | lpfc_sli4_post_io_sgl_list(struct lpfc_hba *phba, |
16991 | struct list_head *post_nblist, int sb_count) | |
0794d601 | 16992 | { |
c490850a | 16993 | struct lpfc_io_buf *lpfc_ncmd, *lpfc_ncmd_next; |
0794d601 JS |
16994 | int status, sgl_size; |
16995 | int post_cnt = 0, block_cnt = 0, num_posting = 0, num_posted = 0; | |
16996 | dma_addr_t pdma_phys_sgl1; | |
16997 | int last_xritag = NO_XRI; | |
16998 | int cur_xritag; | |
0794d601 JS |
16999 | LIST_HEAD(prep_nblist); |
17000 | LIST_HEAD(blck_nblist); | |
17001 | LIST_HEAD(nvme_nblist); | |
17002 | ||
17003 | /* sanity check */ | |
17004 | if (sb_count <= 0) | |
17005 | return -EINVAL; | |
17006 | ||
17007 | sgl_size = phba->cfg_sg_dma_buf_size; | |
17008 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, post_nblist, list) { | |
17009 | list_del_init(&lpfc_ncmd->list); | |
17010 | block_cnt++; | |
17011 | if ((last_xritag != NO_XRI) && | |
17012 | (lpfc_ncmd->cur_iocbq.sli4_xritag != last_xritag + 1)) { | |
17013 | /* a hole in xri block, form a sgl posting block */ | |
17014 | list_splice_init(&prep_nblist, &blck_nblist); | |
17015 | post_cnt = block_cnt - 1; | |
17016 | /* prepare list for next posting block */ | |
17017 | list_add_tail(&lpfc_ncmd->list, &prep_nblist); | |
17018 | block_cnt = 1; | |
17019 | } else { | |
17020 | /* prepare list for next posting block */ | |
17021 | list_add_tail(&lpfc_ncmd->list, &prep_nblist); | |
17022 | /* enough sgls for non-embed sgl mbox command */ | |
17023 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
17024 | list_splice_init(&prep_nblist, &blck_nblist); | |
17025 | post_cnt = block_cnt; | |
17026 | block_cnt = 0; | |
17027 | } | |
17028 | } | |
17029 | num_posting++; | |
17030 | last_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; | |
17031 | ||
17032 | /* end of repost sgl list condition for NVME buffers */ | |
17033 | if (num_posting == sb_count) { | |
17034 | if (post_cnt == 0) { | |
17035 | /* last sgl posting block */ | |
17036 | list_splice_init(&prep_nblist, &blck_nblist); | |
17037 | post_cnt = block_cnt; | |
17038 | } else if (block_cnt == 1) { | |
17039 | /* last single sgl with non-contiguous xri */ | |
17040 | if (sgl_size > SGL_PAGE_SIZE) | |
17041 | pdma_phys_sgl1 = | |
17042 | lpfc_ncmd->dma_phys_sgl + | |
17043 | SGL_PAGE_SIZE; | |
17044 | else | |
17045 | pdma_phys_sgl1 = 0; | |
17046 | cur_xritag = lpfc_ncmd->cur_iocbq.sli4_xritag; | |
17047 | status = lpfc_sli4_post_sgl( | |
17048 | phba, lpfc_ncmd->dma_phys_sgl, | |
17049 | pdma_phys_sgl1, cur_xritag); | |
17050 | if (status) { | |
c490850a JS |
17051 | /* Post error. Buffer unavailable. */ |
17052 | lpfc_ncmd->flags |= | |
17053 | LPFC_SBUF_NOT_POSTED; | |
0794d601 | 17054 | } else { |
c490850a JS |
17055 | /* Post success. Bffer available. */ |
17056 | lpfc_ncmd->flags &= | |
17057 | ~LPFC_SBUF_NOT_POSTED; | |
0794d601 JS |
17058 | lpfc_ncmd->status = IOSTAT_SUCCESS; |
17059 | num_posted++; | |
17060 | } | |
17061 | /* success, put on NVME buffer sgl list */ | |
17062 | list_add_tail(&lpfc_ncmd->list, &nvme_nblist); | |
17063 | } | |
17064 | } | |
17065 | ||
17066 | /* continue until a nembed page worth of sgls */ | |
17067 | if (post_cnt == 0) | |
17068 | continue; | |
17069 | ||
17070 | /* post block of NVME buffer list sgls */ | |
5e5b511d JS |
17071 | status = lpfc_sli4_post_io_sgl_block(phba, &blck_nblist, |
17072 | post_cnt); | |
0794d601 JS |
17073 | |
17074 | /* don't reset xirtag due to hole in xri block */ | |
17075 | if (block_cnt == 0) | |
17076 | last_xritag = NO_XRI; | |
4f774513 | 17077 | |
0794d601 JS |
17078 | /* reset NVME buffer post count for next round of posting */ |
17079 | post_cnt = 0; | |
4f774513 | 17080 | |
0794d601 JS |
17081 | /* put posted NVME buffer-sgl posted on NVME buffer sgl list */ |
17082 | while (!list_empty(&blck_nblist)) { | |
17083 | list_remove_head(&blck_nblist, lpfc_ncmd, | |
c490850a | 17084 | struct lpfc_io_buf, list); |
0794d601 | 17085 | if (status) { |
c490850a JS |
17086 | /* Post error. Mark buffer unavailable. */ |
17087 | lpfc_ncmd->flags |= LPFC_SBUF_NOT_POSTED; | |
0794d601 | 17088 | } else { |
c490850a JS |
17089 | /* Post success, Mark buffer available. */ |
17090 | lpfc_ncmd->flags &= ~LPFC_SBUF_NOT_POSTED; | |
0794d601 JS |
17091 | lpfc_ncmd->status = IOSTAT_SUCCESS; |
17092 | num_posted++; | |
17093 | } | |
17094 | list_add_tail(&lpfc_ncmd->list, &nvme_nblist); | |
17095 | } | |
4f774513 | 17096 | } |
0794d601 | 17097 | /* Push NVME buffers with sgl posted to the available list */ |
5e5b511d JS |
17098 | lpfc_io_buf_replenish(phba, &nvme_nblist); |
17099 | ||
0794d601 | 17100 | return num_posted; |
4f774513 JS |
17101 | } |
17102 | ||
17103 | /** | |
17104 | * lpfc_fc_frame_check - Check that this frame is a valid frame to handle | |
17105 | * @phba: pointer to lpfc_hba struct that the frame was received on | |
17106 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
17107 | * | |
17108 | * This function checks the fields in the @fc_hdr to see if the FC frame is a | |
17109 | * valid type of frame that the LPFC driver will handle. This function will | |
17110 | * return a zero if the frame is a valid frame or a non zero value when the | |
17111 | * frame does not pass the check. | |
17112 | **/ | |
17113 | static int | |
17114 | lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) | |
17115 | { | |
474ffb74 | 17116 | /* make rctl_names static to save stack space */ |
4f774513 | 17117 | struct fc_vft_header *fc_vft_hdr; |
546fc854 | 17118 | uint32_t *header = (uint32_t *) fc_hdr; |
4f774513 | 17119 | |
e62245d9 JS |
17120 | #define FC_RCTL_MDS_DIAGS 0xF4 |
17121 | ||
4f774513 JS |
17122 | switch (fc_hdr->fh_r_ctl) { |
17123 | case FC_RCTL_DD_UNCAT: /* uncategorized information */ | |
17124 | case FC_RCTL_DD_SOL_DATA: /* solicited data */ | |
17125 | case FC_RCTL_DD_UNSOL_CTL: /* unsolicited control */ | |
17126 | case FC_RCTL_DD_SOL_CTL: /* solicited control or reply */ | |
17127 | case FC_RCTL_DD_UNSOL_DATA: /* unsolicited data */ | |
17128 | case FC_RCTL_DD_DATA_DESC: /* data descriptor */ | |
17129 | case FC_RCTL_DD_UNSOL_CMD: /* unsolicited command */ | |
17130 | case FC_RCTL_DD_CMD_STATUS: /* command status */ | |
17131 | case FC_RCTL_ELS_REQ: /* extended link services request */ | |
17132 | case FC_RCTL_ELS_REP: /* extended link services reply */ | |
17133 | case FC_RCTL_ELS4_REQ: /* FC-4 ELS request */ | |
17134 | case FC_RCTL_ELS4_REP: /* FC-4 ELS reply */ | |
17135 | case FC_RCTL_BA_NOP: /* basic link service NOP */ | |
17136 | case FC_RCTL_BA_ABTS: /* basic link service abort */ | |
17137 | case FC_RCTL_BA_RMC: /* remove connection */ | |
17138 | case FC_RCTL_BA_ACC: /* basic accept */ | |
17139 | case FC_RCTL_BA_RJT: /* basic reject */ | |
17140 | case FC_RCTL_BA_PRMT: | |
17141 | case FC_RCTL_ACK_1: /* acknowledge_1 */ | |
17142 | case FC_RCTL_ACK_0: /* acknowledge_0 */ | |
17143 | case FC_RCTL_P_RJT: /* port reject */ | |
17144 | case FC_RCTL_F_RJT: /* fabric reject */ | |
17145 | case FC_RCTL_P_BSY: /* port busy */ | |
17146 | case FC_RCTL_F_BSY: /* fabric busy to data frame */ | |
17147 | case FC_RCTL_F_BSYL: /* fabric busy to link control frame */ | |
17148 | case FC_RCTL_LCR: /* link credit reset */ | |
ae9e28f3 | 17149 | case FC_RCTL_MDS_DIAGS: /* MDS Diagnostics */ |
4f774513 JS |
17150 | case FC_RCTL_END: /* end */ |
17151 | break; | |
17152 | case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */ | |
17153 | fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
17154 | fc_hdr = &((struct fc_frame_header *)fc_vft_hdr)[1]; | |
17155 | return lpfc_fc_frame_check(phba, fc_hdr); | |
17156 | default: | |
17157 | goto drop; | |
17158 | } | |
ae9e28f3 | 17159 | |
4f774513 JS |
17160 | switch (fc_hdr->fh_type) { |
17161 | case FC_TYPE_BLS: | |
17162 | case FC_TYPE_ELS: | |
17163 | case FC_TYPE_FCP: | |
17164 | case FC_TYPE_CT: | |
895427bd | 17165 | case FC_TYPE_NVME: |
4f774513 JS |
17166 | break; |
17167 | case FC_TYPE_IP: | |
17168 | case FC_TYPE_ILS: | |
17169 | default: | |
17170 | goto drop; | |
17171 | } | |
546fc854 | 17172 | |
4f774513 | 17173 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
78e1d200 | 17174 | "2538 Received frame rctl:x%x, type:x%x, " |
88f43a08 | 17175 | "frame Data:%08x %08x %08x %08x %08x %08x %08x\n", |
78e1d200 JS |
17176 | fc_hdr->fh_r_ctl, fc_hdr->fh_type, |
17177 | be32_to_cpu(header[0]), be32_to_cpu(header[1]), | |
17178 | be32_to_cpu(header[2]), be32_to_cpu(header[3]), | |
17179 | be32_to_cpu(header[4]), be32_to_cpu(header[5]), | |
17180 | be32_to_cpu(header[6])); | |
4f774513 JS |
17181 | return 0; |
17182 | drop: | |
17183 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
78e1d200 JS |
17184 | "2539 Dropped frame rctl:x%x type:x%x\n", |
17185 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
4f774513 JS |
17186 | return 1; |
17187 | } | |
17188 | ||
17189 | /** | |
17190 | * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame | |
17191 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
17192 | * | |
17193 | * This function processes the FC header to retrieve the VFI from the VF | |
17194 | * header, if one exists. This function will return the VFI if one exists | |
17195 | * or 0 if no VSAN Header exists. | |
17196 | **/ | |
17197 | static uint32_t | |
17198 | lpfc_fc_hdr_get_vfi(struct fc_frame_header *fc_hdr) | |
17199 | { | |
17200 | struct fc_vft_header *fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
17201 | ||
17202 | if (fc_hdr->fh_r_ctl != FC_RCTL_VFTH) | |
17203 | return 0; | |
17204 | return bf_get(fc_vft_hdr_vf_id, fc_vft_hdr); | |
17205 | } | |
17206 | ||
17207 | /** | |
17208 | * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to | |
17209 | * @phba: Pointer to the HBA structure to search for the vport on | |
17210 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
17211 | * @fcfi: The FC Fabric ID that the frame came from | |
17212 | * | |
17213 | * This function searches the @phba for a vport that matches the content of the | |
17214 | * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the | |
17215 | * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function | |
17216 | * returns the matching vport pointer or NULL if unable to match frame to a | |
17217 | * vport. | |
17218 | **/ | |
17219 | static struct lpfc_vport * | |
17220 | lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, | |
895427bd | 17221 | uint16_t fcfi, uint32_t did) |
4f774513 JS |
17222 | { |
17223 | struct lpfc_vport **vports; | |
17224 | struct lpfc_vport *vport = NULL; | |
17225 | int i; | |
939723a4 | 17226 | |
bf08611b JS |
17227 | if (did == Fabric_DID) |
17228 | return phba->pport; | |
939723a4 JS |
17229 | if ((phba->pport->fc_flag & FC_PT2PT) && |
17230 | !(phba->link_state == LPFC_HBA_READY)) | |
17231 | return phba->pport; | |
17232 | ||
4f774513 | 17233 | vports = lpfc_create_vport_work_array(phba); |
895427bd | 17234 | if (vports != NULL) { |
4f774513 JS |
17235 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
17236 | if (phba->fcf.fcfi == fcfi && | |
17237 | vports[i]->vfi == lpfc_fc_hdr_get_vfi(fc_hdr) && | |
17238 | vports[i]->fc_myDID == did) { | |
17239 | vport = vports[i]; | |
17240 | break; | |
17241 | } | |
17242 | } | |
895427bd | 17243 | } |
4f774513 JS |
17244 | lpfc_destroy_vport_work_array(phba, vports); |
17245 | return vport; | |
17246 | } | |
17247 | ||
45ed1190 JS |
17248 | /** |
17249 | * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp | |
17250 | * @vport: The vport to work on. | |
17251 | * | |
17252 | * This function updates the receive sequence time stamp for this vport. The | |
17253 | * receive sequence time stamp indicates the time that the last frame of the | |
17254 | * the sequence that has been idle for the longest amount of time was received. | |
17255 | * the driver uses this time stamp to indicate if any received sequences have | |
17256 | * timed out. | |
17257 | **/ | |
5d8b8167 | 17258 | static void |
45ed1190 JS |
17259 | lpfc_update_rcv_time_stamp(struct lpfc_vport *vport) |
17260 | { | |
17261 | struct lpfc_dmabuf *h_buf; | |
17262 | struct hbq_dmabuf *dmabuf = NULL; | |
17263 | ||
17264 | /* get the oldest sequence on the rcv list */ | |
17265 | h_buf = list_get_first(&vport->rcv_buffer_list, | |
17266 | struct lpfc_dmabuf, list); | |
17267 | if (!h_buf) | |
17268 | return; | |
17269 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17270 | vport->rcv_buffer_time_stamp = dmabuf->time_stamp; | |
17271 | } | |
17272 | ||
17273 | /** | |
17274 | * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences. | |
17275 | * @vport: The vport that the received sequences were sent to. | |
17276 | * | |
17277 | * This function cleans up all outstanding received sequences. This is called | |
17278 | * by the driver when a link event or user action invalidates all the received | |
17279 | * sequences. | |
17280 | **/ | |
17281 | void | |
17282 | lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport) | |
17283 | { | |
17284 | struct lpfc_dmabuf *h_buf, *hnext; | |
17285 | struct lpfc_dmabuf *d_buf, *dnext; | |
17286 | struct hbq_dmabuf *dmabuf = NULL; | |
17287 | ||
17288 | /* start with the oldest sequence on the rcv list */ | |
17289 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
17290 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17291 | list_del_init(&dmabuf->hbuf.list); | |
17292 | list_for_each_entry_safe(d_buf, dnext, | |
17293 | &dmabuf->dbuf.list, list) { | |
17294 | list_del_init(&d_buf->list); | |
17295 | lpfc_in_buf_free(vport->phba, d_buf); | |
17296 | } | |
17297 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
17298 | } | |
17299 | } | |
17300 | ||
17301 | /** | |
17302 | * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences. | |
17303 | * @vport: The vport that the received sequences were sent to. | |
17304 | * | |
17305 | * This function determines whether any received sequences have timed out by | |
17306 | * first checking the vport's rcv_buffer_time_stamp. If this time_stamp | |
17307 | * indicates that there is at least one timed out sequence this routine will | |
17308 | * go through the received sequences one at a time from most inactive to most | |
17309 | * active to determine which ones need to be cleaned up. Once it has determined | |
17310 | * that a sequence needs to be cleaned up it will simply free up the resources | |
17311 | * without sending an abort. | |
17312 | **/ | |
17313 | void | |
17314 | lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport) | |
17315 | { | |
17316 | struct lpfc_dmabuf *h_buf, *hnext; | |
17317 | struct lpfc_dmabuf *d_buf, *dnext; | |
17318 | struct hbq_dmabuf *dmabuf = NULL; | |
17319 | unsigned long timeout; | |
17320 | int abort_count = 0; | |
17321 | ||
17322 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
17323 | vport->rcv_buffer_time_stamp); | |
17324 | if (list_empty(&vport->rcv_buffer_list) || | |
17325 | time_before(jiffies, timeout)) | |
17326 | return; | |
17327 | /* start with the oldest sequence on the rcv list */ | |
17328 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
17329 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17330 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
17331 | dmabuf->time_stamp); | |
17332 | if (time_before(jiffies, timeout)) | |
17333 | break; | |
17334 | abort_count++; | |
17335 | list_del_init(&dmabuf->hbuf.list); | |
17336 | list_for_each_entry_safe(d_buf, dnext, | |
17337 | &dmabuf->dbuf.list, list) { | |
17338 | list_del_init(&d_buf->list); | |
17339 | lpfc_in_buf_free(vport->phba, d_buf); | |
17340 | } | |
17341 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
17342 | } | |
17343 | if (abort_count) | |
17344 | lpfc_update_rcv_time_stamp(vport); | |
17345 | } | |
17346 | ||
4f774513 JS |
17347 | /** |
17348 | * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences | |
17349 | * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame | |
17350 | * | |
17351 | * This function searches through the existing incomplete sequences that have | |
17352 | * been sent to this @vport. If the frame matches one of the incomplete | |
17353 | * sequences then the dbuf in the @dmabuf is added to the list of frames that | |
17354 | * make up that sequence. If no sequence is found that matches this frame then | |
17355 | * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list | |
17356 | * This function returns a pointer to the first dmabuf in the sequence list that | |
17357 | * the frame was linked to. | |
17358 | **/ | |
17359 | static struct hbq_dmabuf * | |
17360 | lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
17361 | { | |
17362 | struct fc_frame_header *new_hdr; | |
17363 | struct fc_frame_header *temp_hdr; | |
17364 | struct lpfc_dmabuf *d_buf; | |
17365 | struct lpfc_dmabuf *h_buf; | |
17366 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
17367 | struct hbq_dmabuf *temp_dmabuf = NULL; | |
4360ca9c | 17368 | uint8_t found = 0; |
4f774513 | 17369 | |
4d9ab994 | 17370 | INIT_LIST_HEAD(&dmabuf->dbuf.list); |
45ed1190 | 17371 | dmabuf->time_stamp = jiffies; |
4f774513 | 17372 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
4360ca9c | 17373 | |
4f774513 JS |
17374 | /* Use the hdr_buf to find the sequence that this frame belongs to */ |
17375 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
17376 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
17377 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
17378 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
17379 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
17380 | continue; | |
17381 | /* found a pending sequence that matches this frame */ | |
17382 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17383 | break; | |
17384 | } | |
17385 | if (!seq_dmabuf) { | |
17386 | /* | |
17387 | * This indicates first frame received for this sequence. | |
17388 | * Queue the buffer on the vport's rcv_buffer_list. | |
17389 | */ | |
17390 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
45ed1190 | 17391 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
17392 | return dmabuf; |
17393 | } | |
17394 | temp_hdr = seq_dmabuf->hbuf.virt; | |
eeead811 JS |
17395 | if (be16_to_cpu(new_hdr->fh_seq_cnt) < |
17396 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4d9ab994 JS |
17397 | list_del_init(&seq_dmabuf->hbuf.list); |
17398 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
17399 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
45ed1190 | 17400 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
17401 | return dmabuf; |
17402 | } | |
45ed1190 JS |
17403 | /* move this sequence to the tail to indicate a young sequence */ |
17404 | list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
17405 | seq_dmabuf->time_stamp = jiffies; | |
17406 | lpfc_update_rcv_time_stamp(vport); | |
eeead811 JS |
17407 | if (list_empty(&seq_dmabuf->dbuf.list)) { |
17408 | temp_hdr = dmabuf->hbuf.virt; | |
17409 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
17410 | return seq_dmabuf; | |
17411 | } | |
4f774513 | 17412 | /* find the correct place in the sequence to insert this frame */ |
4360ca9c JS |
17413 | d_buf = list_entry(seq_dmabuf->dbuf.list.prev, typeof(*d_buf), list); |
17414 | while (!found) { | |
4f774513 JS |
17415 | temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
17416 | temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt; | |
17417 | /* | |
17418 | * If the frame's sequence count is greater than the frame on | |
17419 | * the list then insert the frame right after this frame | |
17420 | */ | |
eeead811 JS |
17421 | if (be16_to_cpu(new_hdr->fh_seq_cnt) > |
17422 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4f774513 | 17423 | list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list); |
4360ca9c JS |
17424 | found = 1; |
17425 | break; | |
4f774513 | 17426 | } |
4360ca9c JS |
17427 | |
17428 | if (&d_buf->list == &seq_dmabuf->dbuf.list) | |
17429 | break; | |
17430 | d_buf = list_entry(d_buf->list.prev, typeof(*d_buf), list); | |
4f774513 | 17431 | } |
4360ca9c JS |
17432 | |
17433 | if (found) | |
17434 | return seq_dmabuf; | |
4f774513 JS |
17435 | return NULL; |
17436 | } | |
17437 | ||
6669f9bb JS |
17438 | /** |
17439 | * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence | |
17440 | * @vport: pointer to a vitural port | |
17441 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17442 | * | |
17443 | * This function tries to abort from the partially assembed sequence, described | |
17444 | * by the information from basic abbort @dmabuf. It checks to see whether such | |
17445 | * partially assembled sequence held by the driver. If so, it shall free up all | |
17446 | * the frames from the partially assembled sequence. | |
17447 | * | |
17448 | * Return | |
17449 | * true -- if there is matching partially assembled sequence present and all | |
17450 | * the frames freed with the sequence; | |
17451 | * false -- if there is no matching partially assembled sequence present so | |
17452 | * nothing got aborted in the lower layer driver | |
17453 | **/ | |
17454 | static bool | |
17455 | lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport, | |
17456 | struct hbq_dmabuf *dmabuf) | |
17457 | { | |
17458 | struct fc_frame_header *new_hdr; | |
17459 | struct fc_frame_header *temp_hdr; | |
17460 | struct lpfc_dmabuf *d_buf, *n_buf, *h_buf; | |
17461 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
17462 | ||
17463 | /* Use the hdr_buf to find the sequence that matches this frame */ | |
17464 | INIT_LIST_HEAD(&dmabuf->dbuf.list); | |
17465 | INIT_LIST_HEAD(&dmabuf->hbuf.list); | |
17466 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17467 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
17468 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
17469 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
17470 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
17471 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
17472 | continue; | |
17473 | /* found a pending sequence that matches this frame */ | |
17474 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
17475 | break; | |
17476 | } | |
17477 | ||
17478 | /* Free up all the frames from the partially assembled sequence */ | |
17479 | if (seq_dmabuf) { | |
17480 | list_for_each_entry_safe(d_buf, n_buf, | |
17481 | &seq_dmabuf->dbuf.list, list) { | |
17482 | list_del_init(&d_buf->list); | |
17483 | lpfc_in_buf_free(vport->phba, d_buf); | |
17484 | } | |
17485 | return true; | |
17486 | } | |
17487 | return false; | |
17488 | } | |
17489 | ||
6dd9e31c JS |
17490 | /** |
17491 | * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp | |
17492 | * @vport: pointer to a vitural port | |
17493 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17494 | * | |
17495 | * This function tries to abort from the assembed sequence from upper level | |
17496 | * protocol, described by the information from basic abbort @dmabuf. It | |
17497 | * checks to see whether such pending context exists at upper level protocol. | |
17498 | * If so, it shall clean up the pending context. | |
17499 | * | |
17500 | * Return | |
17501 | * true -- if there is matching pending context of the sequence cleaned | |
17502 | * at ulp; | |
17503 | * false -- if there is no matching pending context of the sequence present | |
17504 | * at ulp. | |
17505 | **/ | |
17506 | static bool | |
17507 | lpfc_sli4_abort_ulp_seq(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
17508 | { | |
17509 | struct lpfc_hba *phba = vport->phba; | |
17510 | int handled; | |
17511 | ||
17512 | /* Accepting abort at ulp with SLI4 only */ | |
17513 | if (phba->sli_rev < LPFC_SLI_REV4) | |
17514 | return false; | |
17515 | ||
17516 | /* Register all caring upper level protocols to attend abort */ | |
17517 | handled = lpfc_ct_handle_unsol_abort(phba, dmabuf); | |
17518 | if (handled) | |
17519 | return true; | |
17520 | ||
17521 | return false; | |
17522 | } | |
17523 | ||
6669f9bb | 17524 | /** |
546fc854 | 17525 | * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler |
6669f9bb JS |
17526 | * @phba: Pointer to HBA context object. |
17527 | * @cmd_iocbq: pointer to the command iocbq structure. | |
17528 | * @rsp_iocbq: pointer to the response iocbq structure. | |
17529 | * | |
546fc854 | 17530 | * This function handles the sequence abort response iocb command complete |
6669f9bb JS |
17531 | * event. It properly releases the memory allocated to the sequence abort |
17532 | * accept iocb. | |
17533 | **/ | |
17534 | static void | |
546fc854 | 17535 | lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, |
6669f9bb JS |
17536 | struct lpfc_iocbq *cmd_iocbq, |
17537 | struct lpfc_iocbq *rsp_iocbq) | |
17538 | { | |
6dd9e31c JS |
17539 | struct lpfc_nodelist *ndlp; |
17540 | ||
17541 | if (cmd_iocbq) { | |
17542 | ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1; | |
17543 | lpfc_nlp_put(ndlp); | |
17544 | lpfc_nlp_not_used(ndlp); | |
6669f9bb | 17545 | lpfc_sli_release_iocbq(phba, cmd_iocbq); |
6dd9e31c | 17546 | } |
6b5151fd JS |
17547 | |
17548 | /* Failure means BLS ABORT RSP did not get delivered to remote node*/ | |
17549 | if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) | |
17550 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17551 | "3154 BLS ABORT RSP failed, data: x%x/x%x\n", | |
17552 | rsp_iocbq->iocb.ulpStatus, | |
17553 | rsp_iocbq->iocb.un.ulpWord[4]); | |
6669f9bb JS |
17554 | } |
17555 | ||
6d368e53 JS |
17556 | /** |
17557 | * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver. | |
17558 | * @phba: Pointer to HBA context object. | |
17559 | * @xri: xri id in transaction. | |
17560 | * | |
17561 | * This function validates the xri maps to the known range of XRIs allocated an | |
17562 | * used by the driver. | |
17563 | **/ | |
7851fe2c | 17564 | uint16_t |
6d368e53 JS |
17565 | lpfc_sli4_xri_inrange(struct lpfc_hba *phba, |
17566 | uint16_t xri) | |
17567 | { | |
a2fc4aef | 17568 | uint16_t i; |
6d368e53 JS |
17569 | |
17570 | for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) { | |
17571 | if (xri == phba->sli4_hba.xri_ids[i]) | |
17572 | return i; | |
17573 | } | |
17574 | return NO_XRI; | |
17575 | } | |
17576 | ||
6669f9bb | 17577 | /** |
546fc854 | 17578 | * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort |
6669f9bb JS |
17579 | * @phba: Pointer to HBA context object. |
17580 | * @fc_hdr: pointer to a FC frame header. | |
17581 | * | |
546fc854 | 17582 | * This function sends a basic response to a previous unsol sequence abort |
6669f9bb JS |
17583 | * event after aborting the sequence handling. |
17584 | **/ | |
86c67379 | 17585 | void |
6dd9e31c JS |
17586 | lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, |
17587 | struct fc_frame_header *fc_hdr, bool aborted) | |
6669f9bb | 17588 | { |
6dd9e31c | 17589 | struct lpfc_hba *phba = vport->phba; |
6669f9bb JS |
17590 | struct lpfc_iocbq *ctiocb = NULL; |
17591 | struct lpfc_nodelist *ndlp; | |
ee0f4fe1 | 17592 | uint16_t oxid, rxid, xri, lxri; |
5ffc266e | 17593 | uint32_t sid, fctl; |
6669f9bb | 17594 | IOCB_t *icmd; |
546fc854 | 17595 | int rc; |
6669f9bb JS |
17596 | |
17597 | if (!lpfc_is_link_up(phba)) | |
17598 | return; | |
17599 | ||
17600 | sid = sli4_sid_from_fc_hdr(fc_hdr); | |
17601 | oxid = be16_to_cpu(fc_hdr->fh_ox_id); | |
5ffc266e | 17602 | rxid = be16_to_cpu(fc_hdr->fh_rx_id); |
6669f9bb | 17603 | |
6dd9e31c | 17604 | ndlp = lpfc_findnode_did(vport, sid); |
6669f9bb | 17605 | if (!ndlp) { |
9d3d340d | 17606 | ndlp = lpfc_nlp_init(vport, sid); |
6dd9e31c JS |
17607 | if (!ndlp) { |
17608 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
17609 | "1268 Failed to allocate ndlp for " | |
17610 | "oxid:x%x SID:x%x\n", oxid, sid); | |
17611 | return; | |
17612 | } | |
6dd9e31c JS |
17613 | /* Put ndlp onto pport node list */ |
17614 | lpfc_enqueue_node(vport, ndlp); | |
17615 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
17616 | /* re-setup ndlp without removing from node list */ | |
17617 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
17618 | if (!ndlp) { | |
17619 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
17620 | "3275 Failed to active ndlp found " | |
17621 | "for oxid:x%x SID:x%x\n", oxid, sid); | |
17622 | return; | |
17623 | } | |
6669f9bb JS |
17624 | } |
17625 | ||
546fc854 | 17626 | /* Allocate buffer for rsp iocb */ |
6669f9bb JS |
17627 | ctiocb = lpfc_sli_get_iocbq(phba); |
17628 | if (!ctiocb) | |
17629 | return; | |
17630 | ||
5ffc266e JS |
17631 | /* Extract the F_CTL field from FC_HDR */ |
17632 | fctl = sli4_fctl_from_fc_hdr(fc_hdr); | |
17633 | ||
6669f9bb | 17634 | icmd = &ctiocb->iocb; |
6669f9bb | 17635 | icmd->un.xseq64.bdl.bdeSize = 0; |
5ffc266e | 17636 | icmd->un.xseq64.bdl.ulpIoTag32 = 0; |
6669f9bb JS |
17637 | icmd->un.xseq64.w5.hcsw.Dfctl = 0; |
17638 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC; | |
17639 | icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS; | |
17640 | ||
17641 | /* Fill in the rest of iocb fields */ | |
17642 | icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX; | |
17643 | icmd->ulpBdeCount = 0; | |
17644 | icmd->ulpLe = 1; | |
17645 | icmd->ulpClass = CLASS3; | |
6d368e53 | 17646 | icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; |
6dd9e31c | 17647 | ctiocb->context1 = lpfc_nlp_get(ndlp); |
6669f9bb | 17648 | |
6669f9bb | 17649 | ctiocb->vport = phba->pport; |
546fc854 | 17650 | ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; |
6d368e53 | 17651 | ctiocb->sli4_lxritag = NO_XRI; |
546fc854 JS |
17652 | ctiocb->sli4_xritag = NO_XRI; |
17653 | ||
ee0f4fe1 JS |
17654 | if (fctl & FC_FC_EX_CTX) |
17655 | /* Exchange responder sent the abort so we | |
17656 | * own the oxid. | |
17657 | */ | |
17658 | xri = oxid; | |
17659 | else | |
17660 | xri = rxid; | |
17661 | lxri = lpfc_sli4_xri_inrange(phba, xri); | |
17662 | if (lxri != NO_XRI) | |
17663 | lpfc_set_rrq_active(phba, ndlp, lxri, | |
17664 | (xri == oxid) ? rxid : oxid, 0); | |
6dd9e31c JS |
17665 | /* For BA_ABTS from exchange responder, if the logical xri with |
17666 | * the oxid maps to the FCP XRI range, the port no longer has | |
17667 | * that exchange context, send a BLS_RJT. Override the IOCB for | |
17668 | * a BA_RJT. | |
17669 | */ | |
17670 | if ((fctl & FC_FC_EX_CTX) && | |
895427bd | 17671 | (lxri > lpfc_sli4_get_iocb_cnt(phba))) { |
6dd9e31c JS |
17672 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
17673 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
17674 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
17675 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
17676 | } | |
17677 | ||
17678 | /* If BA_ABTS failed to abort a partially assembled receive sequence, | |
17679 | * the driver no longer has that exchange, send a BLS_RJT. Override | |
17680 | * the IOCB for a BA_RJT. | |
546fc854 | 17681 | */ |
6dd9e31c | 17682 | if (aborted == false) { |
546fc854 JS |
17683 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
17684 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
17685 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
17686 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
17687 | } | |
6669f9bb | 17688 | |
5ffc266e JS |
17689 | if (fctl & FC_FC_EX_CTX) { |
17690 | /* ABTS sent by responder to CT exchange, construction | |
17691 | * of BA_ACC will use OX_ID from ABTS for the XRI_TAG | |
17692 | * field and RX_ID from ABTS for RX_ID field. | |
17693 | */ | |
546fc854 | 17694 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); |
5ffc266e JS |
17695 | } else { |
17696 | /* ABTS sent by initiator to CT exchange, construction | |
17697 | * of BA_ACC will need to allocate a new XRI as for the | |
f09c3acc | 17698 | * XRI_TAG field. |
5ffc266e | 17699 | */ |
546fc854 | 17700 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); |
5ffc266e | 17701 | } |
f09c3acc | 17702 | bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); |
546fc854 | 17703 | bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); |
5ffc266e | 17704 | |
546fc854 | 17705 | /* Xmit CT abts response on exchange <xid> */ |
6dd9e31c JS |
17706 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
17707 | "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n", | |
17708 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state); | |
546fc854 JS |
17709 | |
17710 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); | |
17711 | if (rc == IOCB_ERROR) { | |
6dd9e31c JS |
17712 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
17713 | "2925 Failed to issue CT ABTS RSP x%x on " | |
17714 | "xri x%x, Data x%x\n", | |
17715 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, | |
17716 | phba->link_state); | |
17717 | lpfc_nlp_put(ndlp); | |
17718 | ctiocb->context1 = NULL; | |
546fc854 JS |
17719 | lpfc_sli_release_iocbq(phba, ctiocb); |
17720 | } | |
6669f9bb JS |
17721 | } |
17722 | ||
17723 | /** | |
17724 | * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event | |
17725 | * @vport: Pointer to the vport on which this sequence was received | |
17726 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17727 | * | |
17728 | * This function handles an SLI-4 unsolicited abort event. If the unsolicited | |
17729 | * receive sequence is only partially assembed by the driver, it shall abort | |
17730 | * the partially assembled frames for the sequence. Otherwise, if the | |
17731 | * unsolicited receive sequence has been completely assembled and passed to | |
17732 | * the Upper Layer Protocol (UPL), it then mark the per oxid status for the | |
17733 | * unsolicited sequence has been aborted. After that, it will issue a basic | |
17734 | * accept to accept the abort. | |
17735 | **/ | |
5d8b8167 | 17736 | static void |
6669f9bb JS |
17737 | lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport, |
17738 | struct hbq_dmabuf *dmabuf) | |
17739 | { | |
17740 | struct lpfc_hba *phba = vport->phba; | |
17741 | struct fc_frame_header fc_hdr; | |
5ffc266e | 17742 | uint32_t fctl; |
6dd9e31c | 17743 | bool aborted; |
6669f9bb | 17744 | |
6669f9bb JS |
17745 | /* Make a copy of fc_hdr before the dmabuf being released */ |
17746 | memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header)); | |
5ffc266e | 17747 | fctl = sli4_fctl_from_fc_hdr(&fc_hdr); |
6669f9bb | 17748 | |
5ffc266e | 17749 | if (fctl & FC_FC_EX_CTX) { |
6dd9e31c JS |
17750 | /* ABTS by responder to exchange, no cleanup needed */ |
17751 | aborted = true; | |
5ffc266e | 17752 | } else { |
6dd9e31c JS |
17753 | /* ABTS by initiator to exchange, need to do cleanup */ |
17754 | aborted = lpfc_sli4_abort_partial_seq(vport, dmabuf); | |
17755 | if (aborted == false) | |
17756 | aborted = lpfc_sli4_abort_ulp_seq(vport, dmabuf); | |
5ffc266e | 17757 | } |
6dd9e31c JS |
17758 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
17759 | ||
86c67379 JS |
17760 | if (phba->nvmet_support) { |
17761 | lpfc_nvmet_rcv_unsol_abort(vport, &fc_hdr); | |
17762 | return; | |
17763 | } | |
17764 | ||
6dd9e31c JS |
17765 | /* Respond with BA_ACC or BA_RJT accordingly */ |
17766 | lpfc_sli4_seq_abort_rsp(vport, &fc_hdr, aborted); | |
6669f9bb JS |
17767 | } |
17768 | ||
4f774513 JS |
17769 | /** |
17770 | * lpfc_seq_complete - Indicates if a sequence is complete | |
17771 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17772 | * | |
17773 | * This function checks the sequence, starting with the frame described by | |
17774 | * @dmabuf, to see if all the frames associated with this sequence are present. | |
17775 | * the frames associated with this sequence are linked to the @dmabuf using the | |
17776 | * dbuf list. This function looks for two major things. 1) That the first frame | |
17777 | * has a sequence count of zero. 2) There is a frame with last frame of sequence | |
17778 | * set. 3) That there are no holes in the sequence count. The function will | |
17779 | * return 1 when the sequence is complete, otherwise it will return 0. | |
17780 | **/ | |
17781 | static int | |
17782 | lpfc_seq_complete(struct hbq_dmabuf *dmabuf) | |
17783 | { | |
17784 | struct fc_frame_header *hdr; | |
17785 | struct lpfc_dmabuf *d_buf; | |
17786 | struct hbq_dmabuf *seq_dmabuf; | |
17787 | uint32_t fctl; | |
17788 | int seq_count = 0; | |
17789 | ||
17790 | hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17791 | /* make sure first fame of sequence has a sequence count of zero */ | |
17792 | if (hdr->fh_seq_cnt != seq_count) | |
17793 | return 0; | |
17794 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
17795 | hdr->fh_f_ctl[1] << 8 | | |
17796 | hdr->fh_f_ctl[2]); | |
17797 | /* If last frame of sequence we can return success. */ | |
17798 | if (fctl & FC_FC_END_SEQ) | |
17799 | return 1; | |
17800 | list_for_each_entry(d_buf, &dmabuf->dbuf.list, list) { | |
17801 | seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17802 | hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
17803 | /* If there is a hole in the sequence count then fail. */ | |
eeead811 | 17804 | if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt)) |
4f774513 JS |
17805 | return 0; |
17806 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
17807 | hdr->fh_f_ctl[1] << 8 | | |
17808 | hdr->fh_f_ctl[2]); | |
17809 | /* If last frame of sequence we can return success. */ | |
17810 | if (fctl & FC_FC_END_SEQ) | |
17811 | return 1; | |
17812 | } | |
17813 | return 0; | |
17814 | } | |
17815 | ||
17816 | /** | |
17817 | * lpfc_prep_seq - Prep sequence for ULP processing | |
17818 | * @vport: Pointer to the vport on which this sequence was received | |
17819 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
17820 | * | |
17821 | * This function takes a sequence, described by a list of frames, and creates | |
17822 | * a list of iocbq structures to describe the sequence. This iocbq list will be | |
17823 | * used to issue to the generic unsolicited sequence handler. This routine | |
17824 | * returns a pointer to the first iocbq in the list. If the function is unable | |
17825 | * to allocate an iocbq then it throw out the received frames that were not | |
17826 | * able to be described and return a pointer to the first iocbq. If unable to | |
17827 | * allocate any iocbqs (including the first) this function will return NULL. | |
17828 | **/ | |
17829 | static struct lpfc_iocbq * | |
17830 | lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) | |
17831 | { | |
7851fe2c | 17832 | struct hbq_dmabuf *hbq_buf; |
4f774513 JS |
17833 | struct lpfc_dmabuf *d_buf, *n_buf; |
17834 | struct lpfc_iocbq *first_iocbq, *iocbq; | |
17835 | struct fc_frame_header *fc_hdr; | |
17836 | uint32_t sid; | |
7851fe2c | 17837 | uint32_t len, tot_len; |
eeead811 | 17838 | struct ulp_bde64 *pbde; |
4f774513 JS |
17839 | |
17840 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
17841 | /* remove from receive buffer list */ | |
17842 | list_del_init(&seq_dmabuf->hbuf.list); | |
45ed1190 | 17843 | lpfc_update_rcv_time_stamp(vport); |
4f774513 | 17844 | /* get the Remote Port's SID */ |
6669f9bb | 17845 | sid = sli4_sid_from_fc_hdr(fc_hdr); |
7851fe2c | 17846 | tot_len = 0; |
4f774513 JS |
17847 | /* Get an iocbq struct to fill in. */ |
17848 | first_iocbq = lpfc_sli_get_iocbq(vport->phba); | |
17849 | if (first_iocbq) { | |
17850 | /* Initialize the first IOCB. */ | |
8fa38513 | 17851 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; |
4f774513 | 17852 | first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; |
895427bd | 17853 | first_iocbq->vport = vport; |
939723a4 JS |
17854 | |
17855 | /* Check FC Header to see what TYPE of frame we are rcv'ing */ | |
17856 | if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) { | |
17857 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX; | |
17858 | first_iocbq->iocb.un.rcvels.parmRo = | |
17859 | sli4_did_from_fc_hdr(fc_hdr); | |
17860 | first_iocbq->iocb.ulpPU = PARM_NPIV_DID; | |
17861 | } else | |
17862 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; | |
7851fe2c JS |
17863 | first_iocbq->iocb.ulpContext = NO_XRI; |
17864 | first_iocbq->iocb.unsli3.rcvsli3.ox_id = | |
17865 | be16_to_cpu(fc_hdr->fh_ox_id); | |
17866 | /* iocbq is prepped for internal consumption. Physical vpi. */ | |
17867 | first_iocbq->iocb.unsli3.rcvsli3.vpi = | |
17868 | vport->phba->vpi_ids[vport->vpi]; | |
4f774513 | 17869 | /* put the first buffer into the first IOCBq */ |
48a5a664 JS |
17870 | tot_len = bf_get(lpfc_rcqe_length, |
17871 | &seq_dmabuf->cq_event.cqe.rcqe_cmpl); | |
17872 | ||
4f774513 JS |
17873 | first_iocbq->context2 = &seq_dmabuf->dbuf; |
17874 | first_iocbq->context3 = NULL; | |
17875 | first_iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
17876 | if (tot_len > LPFC_DATA_BUF_SIZE) |
17877 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 17878 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
17879 | else |
17880 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = tot_len; | |
17881 | ||
4f774513 | 17882 | first_iocbq->iocb.un.rcvels.remoteID = sid; |
48a5a664 | 17883 | |
7851fe2c | 17884 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; |
4f774513 JS |
17885 | } |
17886 | iocbq = first_iocbq; | |
17887 | /* | |
17888 | * Each IOCBq can have two Buffers assigned, so go through the list | |
17889 | * of buffers for this sequence and save two buffers in each IOCBq | |
17890 | */ | |
17891 | list_for_each_entry_safe(d_buf, n_buf, &seq_dmabuf->dbuf.list, list) { | |
17892 | if (!iocbq) { | |
17893 | lpfc_in_buf_free(vport->phba, d_buf); | |
17894 | continue; | |
17895 | } | |
17896 | if (!iocbq->context3) { | |
17897 | iocbq->context3 = d_buf; | |
17898 | iocbq->iocb.ulpBdeCount++; | |
7851fe2c JS |
17899 | /* We need to get the size out of the right CQE */ |
17900 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17901 | len = bf_get(lpfc_rcqe_length, | |
17902 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
48a5a664 JS |
17903 | pbde = (struct ulp_bde64 *) |
17904 | &iocbq->iocb.unsli3.sli3Words[4]; | |
17905 | if (len > LPFC_DATA_BUF_SIZE) | |
17906 | pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; | |
17907 | else | |
17908 | pbde->tus.f.bdeSize = len; | |
17909 | ||
7851fe2c JS |
17910 | iocbq->iocb.unsli3.rcvsli3.acc_len += len; |
17911 | tot_len += len; | |
4f774513 JS |
17912 | } else { |
17913 | iocbq = lpfc_sli_get_iocbq(vport->phba); | |
17914 | if (!iocbq) { | |
17915 | if (first_iocbq) { | |
17916 | first_iocbq->iocb.ulpStatus = | |
17917 | IOSTAT_FCP_RSP_ERROR; | |
17918 | first_iocbq->iocb.un.ulpWord[4] = | |
17919 | IOERR_NO_RESOURCES; | |
17920 | } | |
17921 | lpfc_in_buf_free(vport->phba, d_buf); | |
17922 | continue; | |
17923 | } | |
48a5a664 JS |
17924 | /* We need to get the size out of the right CQE */ |
17925 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17926 | len = bf_get(lpfc_rcqe_length, | |
17927 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
4f774513 JS |
17928 | iocbq->context2 = d_buf; |
17929 | iocbq->context3 = NULL; | |
17930 | iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
17931 | if (len > LPFC_DATA_BUF_SIZE) |
17932 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 17933 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
17934 | else |
17935 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = len; | |
7851fe2c | 17936 | |
7851fe2c JS |
17937 | tot_len += len; |
17938 | iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; | |
17939 | ||
4f774513 JS |
17940 | iocbq->iocb.un.rcvels.remoteID = sid; |
17941 | list_add_tail(&iocbq->list, &first_iocbq->list); | |
17942 | } | |
17943 | } | |
17944 | return first_iocbq; | |
17945 | } | |
17946 | ||
6669f9bb JS |
17947 | static void |
17948 | lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport, | |
17949 | struct hbq_dmabuf *seq_dmabuf) | |
17950 | { | |
17951 | struct fc_frame_header *fc_hdr; | |
17952 | struct lpfc_iocbq *iocbq, *curr_iocb, *next_iocb; | |
17953 | struct lpfc_hba *phba = vport->phba; | |
17954 | ||
17955 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
17956 | iocbq = lpfc_prep_seq(vport, seq_dmabuf); | |
17957 | if (!iocbq) { | |
17958 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17959 | "2707 Ring %d handler: Failed to allocate " | |
17960 | "iocb Rctl x%x Type x%x received\n", | |
17961 | LPFC_ELS_RING, | |
17962 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17963 | return; | |
17964 | } | |
17965 | if (!lpfc_complete_unsol_iocb(phba, | |
895427bd | 17966 | phba->sli4_hba.els_wq->pring, |
6669f9bb JS |
17967 | iocbq, fc_hdr->fh_r_ctl, |
17968 | fc_hdr->fh_type)) | |
6d368e53 | 17969 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6669f9bb JS |
17970 | "2540 Ring %d handler: unexpected Rctl " |
17971 | "x%x Type x%x received\n", | |
17972 | LPFC_ELS_RING, | |
17973 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17974 | ||
17975 | /* Free iocb created in lpfc_prep_seq */ | |
17976 | list_for_each_entry_safe(curr_iocb, next_iocb, | |
17977 | &iocbq->list, list) { | |
17978 | list_del_init(&curr_iocb->list); | |
17979 | lpfc_sli_release_iocbq(phba, curr_iocb); | |
17980 | } | |
17981 | lpfc_sli_release_iocbq(phba, iocbq); | |
17982 | } | |
17983 | ||
ae9e28f3 JS |
17984 | static void |
17985 | lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
17986 | struct lpfc_iocbq *rspiocb) | |
17987 | { | |
17988 | struct lpfc_dmabuf *pcmd = cmdiocb->context2; | |
17989 | ||
17990 | if (pcmd && pcmd->virt) | |
771db5c0 | 17991 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 JS |
17992 | kfree(pcmd); |
17993 | lpfc_sli_release_iocbq(phba, cmdiocb); | |
e817e5d7 | 17994 | lpfc_drain_txq(phba); |
ae9e28f3 JS |
17995 | } |
17996 | ||
17997 | static void | |
17998 | lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, | |
17999 | struct hbq_dmabuf *dmabuf) | |
18000 | { | |
18001 | struct fc_frame_header *fc_hdr; | |
18002 | struct lpfc_hba *phba = vport->phba; | |
18003 | struct lpfc_iocbq *iocbq = NULL; | |
18004 | union lpfc_wqe *wqe; | |
18005 | struct lpfc_dmabuf *pcmd = NULL; | |
18006 | uint32_t frame_len; | |
18007 | int rc; | |
e817e5d7 | 18008 | unsigned long iflags; |
ae9e28f3 JS |
18009 | |
18010 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
18011 | frame_len = bf_get(lpfc_rcqe_length, &dmabuf->cq_event.cqe.rcqe_cmpl); | |
18012 | ||
18013 | /* Send the received frame back */ | |
18014 | iocbq = lpfc_sli_get_iocbq(phba); | |
e817e5d7 JS |
18015 | if (!iocbq) { |
18016 | /* Queue cq event and wakeup worker thread to process it */ | |
18017 | spin_lock_irqsave(&phba->hbalock, iflags); | |
18018 | list_add_tail(&dmabuf->cq_event.list, | |
18019 | &phba->sli4_hba.sp_queue_event); | |
18020 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
18021 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
18022 | lpfc_worker_wake_up(phba); | |
18023 | return; | |
18024 | } | |
ae9e28f3 JS |
18025 | |
18026 | /* Allocate buffer for command payload */ | |
18027 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
18028 | if (pcmd) | |
771db5c0 | 18029 | pcmd->virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, |
ae9e28f3 JS |
18030 | &pcmd->phys); |
18031 | if (!pcmd || !pcmd->virt) | |
18032 | goto exit; | |
18033 | ||
18034 | INIT_LIST_HEAD(&pcmd->list); | |
18035 | ||
18036 | /* copyin the payload */ | |
18037 | memcpy(pcmd->virt, dmabuf->dbuf.virt, frame_len); | |
18038 | ||
18039 | /* fill in BDE's for command */ | |
18040 | iocbq->iocb.un.xseq64.bdl.addrHigh = putPaddrHigh(pcmd->phys); | |
18041 | iocbq->iocb.un.xseq64.bdl.addrLow = putPaddrLow(pcmd->phys); | |
18042 | iocbq->iocb.un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDE_64; | |
18043 | iocbq->iocb.un.xseq64.bdl.bdeSize = frame_len; | |
18044 | ||
18045 | iocbq->context2 = pcmd; | |
18046 | iocbq->vport = vport; | |
18047 | iocbq->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; | |
18048 | iocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
18049 | ||
18050 | /* | |
18051 | * Setup rest of the iocb as though it were a WQE | |
18052 | * Build the SEND_FRAME WQE | |
18053 | */ | |
18054 | wqe = (union lpfc_wqe *)&iocbq->iocb; | |
18055 | ||
18056 | wqe->send_frame.frame_len = frame_len; | |
18057 | wqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((uint32_t *)fc_hdr)); | |
18058 | wqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((uint32_t *)fc_hdr + 1)); | |
18059 | wqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((uint32_t *)fc_hdr + 2)); | |
18060 | wqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((uint32_t *)fc_hdr + 3)); | |
18061 | wqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((uint32_t *)fc_hdr + 4)); | |
18062 | wqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((uint32_t *)fc_hdr + 5)); | |
18063 | ||
18064 | iocbq->iocb.ulpCommand = CMD_SEND_FRAME; | |
18065 | iocbq->iocb.ulpLe = 1; | |
18066 | iocbq->iocb_cmpl = lpfc_sli4_mds_loopback_cmpl; | |
18067 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); | |
18068 | if (rc == IOCB_ERROR) | |
18069 | goto exit; | |
18070 | ||
18071 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18072 | return; | |
18073 | ||
18074 | exit: | |
18075 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
18076 | "2023 Unable to process MDS loopback frame\n"); | |
18077 | if (pcmd && pcmd->virt) | |
771db5c0 | 18078 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 | 18079 | kfree(pcmd); |
401bb416 DK |
18080 | if (iocbq) |
18081 | lpfc_sli_release_iocbq(phba, iocbq); | |
ae9e28f3 JS |
18082 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
18083 | } | |
18084 | ||
4f774513 JS |
18085 | /** |
18086 | * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware | |
18087 | * @phba: Pointer to HBA context object. | |
18088 | * | |
18089 | * This function is called with no lock held. This function processes all | |
18090 | * the received buffers and gives it to upper layers when a received buffer | |
18091 | * indicates that it is the final frame in the sequence. The interrupt | |
895427bd | 18092 | * service routine processes received buffers at interrupt contexts. |
4f774513 JS |
18093 | * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the |
18094 | * appropriate receive function when the final frame in a sequence is received. | |
18095 | **/ | |
4d9ab994 JS |
18096 | void |
18097 | lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, | |
18098 | struct hbq_dmabuf *dmabuf) | |
4f774513 | 18099 | { |
4d9ab994 | 18100 | struct hbq_dmabuf *seq_dmabuf; |
4f774513 JS |
18101 | struct fc_frame_header *fc_hdr; |
18102 | struct lpfc_vport *vport; | |
18103 | uint32_t fcfi; | |
939723a4 | 18104 | uint32_t did; |
4f774513 | 18105 | |
4f774513 | 18106 | /* Process each received buffer */ |
4d9ab994 | 18107 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
2ea259ee | 18108 | |
e817e5d7 JS |
18109 | if (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS || |
18110 | fc_hdr->fh_r_ctl == FC_RCTL_DD_UNSOL_DATA) { | |
18111 | vport = phba->pport; | |
18112 | /* Handle MDS Loopback frames */ | |
18113 | lpfc_sli4_handle_mds_loopback(vport, dmabuf); | |
18114 | return; | |
18115 | } | |
18116 | ||
4d9ab994 JS |
18117 | /* check to see if this a valid type of frame */ |
18118 | if (lpfc_fc_frame_check(phba, fc_hdr)) { | |
18119 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18120 | return; | |
18121 | } | |
2ea259ee | 18122 | |
7851fe2c JS |
18123 | if ((bf_get(lpfc_cqe_code, |
18124 | &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1)) | |
18125 | fcfi = bf_get(lpfc_rcqe_fcf_id_v1, | |
18126 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
18127 | else | |
18128 | fcfi = bf_get(lpfc_rcqe_fcf_id, | |
18129 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
939723a4 | 18130 | |
e62245d9 JS |
18131 | if (fc_hdr->fh_r_ctl == 0xF4 && fc_hdr->fh_type == 0xFF) { |
18132 | vport = phba->pport; | |
18133 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
18134 | "2023 MDS Loopback %d bytes\n", | |
18135 | bf_get(lpfc_rcqe_length, | |
18136 | &dmabuf->cq_event.cqe.rcqe_cmpl)); | |
18137 | /* Handle MDS Loopback frames */ | |
18138 | lpfc_sli4_handle_mds_loopback(vport, dmabuf); | |
18139 | return; | |
18140 | } | |
18141 | ||
895427bd JS |
18142 | /* d_id this frame is directed to */ |
18143 | did = sli4_did_from_fc_hdr(fc_hdr); | |
18144 | ||
18145 | vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi, did); | |
939723a4 | 18146 | if (!vport) { |
4d9ab994 JS |
18147 | /* throw out the frame */ |
18148 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18149 | return; | |
18150 | } | |
939723a4 | 18151 | |
939723a4 JS |
18152 | /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */ |
18153 | if (!(vport->vpi_state & LPFC_VPI_REGISTERED) && | |
18154 | (did != Fabric_DID)) { | |
18155 | /* | |
18156 | * Throw out the frame if we are not pt2pt. | |
18157 | * The pt2pt protocol allows for discovery frames | |
18158 | * to be received without a registered VPI. | |
18159 | */ | |
18160 | if (!(vport->fc_flag & FC_PT2PT) || | |
18161 | (phba->link_state == LPFC_HBA_READY)) { | |
18162 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18163 | return; | |
18164 | } | |
18165 | } | |
18166 | ||
6669f9bb JS |
18167 | /* Handle the basic abort sequence (BA_ABTS) event */ |
18168 | if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
18169 | lpfc_sli4_handle_unsol_abort(vport, dmabuf); | |
18170 | return; | |
18171 | } | |
18172 | ||
4d9ab994 JS |
18173 | /* Link this frame */ |
18174 | seq_dmabuf = lpfc_fc_frame_add(vport, dmabuf); | |
18175 | if (!seq_dmabuf) { | |
18176 | /* unable to add frame to vport - throw it out */ | |
18177 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
18178 | return; | |
18179 | } | |
18180 | /* If not last frame in sequence continue processing frames. */ | |
def9c7a9 | 18181 | if (!lpfc_seq_complete(seq_dmabuf)) |
4d9ab994 | 18182 | return; |
def9c7a9 | 18183 | |
6669f9bb JS |
18184 | /* Send the complete sequence to the upper layer protocol */ |
18185 | lpfc_sli4_send_seq_to_ulp(vport, seq_dmabuf); | |
4f774513 | 18186 | } |
6fb120a7 JS |
18187 | |
18188 | /** | |
18189 | * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port | |
18190 | * @phba: pointer to lpfc hba data structure. | |
18191 | * | |
18192 | * This routine is invoked to post rpi header templates to the | |
18193 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
18194 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
18195 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
18196 | * |
18197 | * This routine does not require any locks. It's usage is expected | |
18198 | * to be driver load or reset recovery when the driver is | |
18199 | * sequential. | |
18200 | * | |
18201 | * Return codes | |
af901ca1 | 18202 | * 0 - successful |
d439d286 | 18203 | * -EIO - The mailbox failed to complete successfully. |
6fb120a7 JS |
18204 | * When this error occurs, the driver is not guaranteed |
18205 | * to have any rpi regions posted to the device and | |
18206 | * must either attempt to repost the regions or take a | |
18207 | * fatal error. | |
18208 | **/ | |
18209 | int | |
18210 | lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba) | |
18211 | { | |
18212 | struct lpfc_rpi_hdr *rpi_page; | |
18213 | uint32_t rc = 0; | |
6d368e53 JS |
18214 | uint16_t lrpi = 0; |
18215 | ||
18216 | /* SLI4 ports that support extents do not require RPI headers. */ | |
18217 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
18218 | goto exit; | |
18219 | if (phba->sli4_hba.extents_in_use) | |
18220 | return -EIO; | |
6fb120a7 | 18221 | |
6fb120a7 | 18222 | list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) { |
6d368e53 JS |
18223 | /* |
18224 | * Assign the rpi headers a physical rpi only if the driver | |
18225 | * has not initialized those resources. A port reset only | |
18226 | * needs the headers posted. | |
18227 | */ | |
18228 | if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) != | |
18229 | LPFC_RPI_RSRC_RDY) | |
18230 | rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
18231 | ||
6fb120a7 JS |
18232 | rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page); |
18233 | if (rc != MBX_SUCCESS) { | |
18234 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18235 | "2008 Error %d posting all rpi " | |
18236 | "headers\n", rc); | |
18237 | rc = -EIO; | |
18238 | break; | |
18239 | } | |
18240 | } | |
18241 | ||
6d368e53 JS |
18242 | exit: |
18243 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
18244 | LPFC_RPI_RSRC_RDY); | |
6fb120a7 JS |
18245 | return rc; |
18246 | } | |
18247 | ||
18248 | /** | |
18249 | * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port | |
18250 | * @phba: pointer to lpfc hba data structure. | |
18251 | * @rpi_page: pointer to the rpi memory region. | |
18252 | * | |
18253 | * This routine is invoked to post a single rpi header to the | |
18254 | * HBA consistent with the SLI-4 interface spec. This memory region | |
18255 | * maps up to 64 rpi context regions. | |
18256 | * | |
18257 | * Return codes | |
af901ca1 | 18258 | * 0 - successful |
d439d286 JS |
18259 | * -ENOMEM - No available memory |
18260 | * -EIO - The mailbox failed to complete successfully. | |
6fb120a7 JS |
18261 | **/ |
18262 | int | |
18263 | lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) | |
18264 | { | |
18265 | LPFC_MBOXQ_t *mboxq; | |
18266 | struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl; | |
18267 | uint32_t rc = 0; | |
6fb120a7 JS |
18268 | uint32_t shdr_status, shdr_add_status; |
18269 | union lpfc_sli4_cfg_shdr *shdr; | |
18270 | ||
6d368e53 JS |
18271 | /* SLI4 ports that support extents do not require RPI headers. */ |
18272 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
18273 | return rc; | |
18274 | if (phba->sli4_hba.extents_in_use) | |
18275 | return -EIO; | |
18276 | ||
6fb120a7 JS |
18277 | /* The port is notified of the header region via a mailbox command. */ |
18278 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18279 | if (!mboxq) { | |
18280 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18281 | "2001 Unable to allocate memory for issuing " | |
18282 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
18283 | return -ENOMEM; | |
18284 | } | |
18285 | ||
18286 | /* Post all rpi memory regions to the port. */ | |
18287 | hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl; | |
6fb120a7 JS |
18288 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, |
18289 | LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE, | |
18290 | sizeof(struct lpfc_mbx_post_hdr_tmpl) - | |
fedd3b7b JS |
18291 | sizeof(struct lpfc_sli4_cfg_mhdr), |
18292 | LPFC_SLI4_MBX_EMBED); | |
6d368e53 JS |
18293 | |
18294 | ||
18295 | /* Post the physical rpi to the port for this rpi header. */ | |
6fb120a7 JS |
18296 | bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl, |
18297 | rpi_page->start_rpi); | |
6d368e53 JS |
18298 | bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt, |
18299 | hdr_tmpl, rpi_page->page_count); | |
18300 | ||
6fb120a7 JS |
18301 | hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys); |
18302 | hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys); | |
f1126688 | 18303 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
6fb120a7 JS |
18304 | shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr; |
18305 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18306 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18307 | if (rc != MBX_TIMEOUT) | |
18308 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18309 | if (shdr_status || shdr_add_status || rc) { | |
18310 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18311 | "2514 POST_RPI_HDR mailbox failed with " | |
18312 | "status x%x add_status x%x, mbx status x%x\n", | |
18313 | shdr_status, shdr_add_status, rc); | |
18314 | rc = -ENXIO; | |
845d9e8d JS |
18315 | } else { |
18316 | /* | |
18317 | * The next_rpi stores the next logical module-64 rpi value used | |
18318 | * to post physical rpis in subsequent rpi postings. | |
18319 | */ | |
18320 | spin_lock_irq(&phba->hbalock); | |
18321 | phba->sli4_hba.next_rpi = rpi_page->next_rpi; | |
18322 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
18323 | } |
18324 | return rc; | |
18325 | } | |
18326 | ||
18327 | /** | |
18328 | * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range | |
18329 | * @phba: pointer to lpfc hba data structure. | |
18330 | * | |
18331 | * This routine is invoked to post rpi header templates to the | |
18332 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
18333 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
18334 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
18335 | * |
18336 | * Returns | |
af901ca1 | 18337 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful |
6fb120a7 JS |
18338 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. |
18339 | **/ | |
18340 | int | |
18341 | lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) | |
18342 | { | |
6d368e53 JS |
18343 | unsigned long rpi; |
18344 | uint16_t max_rpi, rpi_limit; | |
18345 | uint16_t rpi_remaining, lrpi = 0; | |
6fb120a7 | 18346 | struct lpfc_rpi_hdr *rpi_hdr; |
4902b381 | 18347 | unsigned long iflag; |
6fb120a7 | 18348 | |
6fb120a7 | 18349 | /* |
6d368e53 JS |
18350 | * Fetch the next logical rpi. Because this index is logical, |
18351 | * the driver starts at 0 each time. | |
6fb120a7 | 18352 | */ |
4902b381 | 18353 | spin_lock_irqsave(&phba->hbalock, iflag); |
be6bb941 JS |
18354 | max_rpi = phba->sli4_hba.max_cfg_param.max_rpi; |
18355 | rpi_limit = phba->sli4_hba.next_rpi; | |
18356 | ||
6d368e53 JS |
18357 | rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0); |
18358 | if (rpi >= rpi_limit) | |
6fb120a7 JS |
18359 | rpi = LPFC_RPI_ALLOC_ERROR; |
18360 | else { | |
18361 | set_bit(rpi, phba->sli4_hba.rpi_bmask); | |
18362 | phba->sli4_hba.max_cfg_param.rpi_used++; | |
18363 | phba->sli4_hba.rpi_count++; | |
18364 | } | |
0f154226 JS |
18365 | lpfc_printf_log(phba, KERN_INFO, |
18366 | LOG_NODE | LOG_DISCOVERY, | |
18367 | "0001 Allocated rpi:x%x max:x%x lim:x%x\n", | |
be6bb941 | 18368 | (int) rpi, max_rpi, rpi_limit); |
6fb120a7 JS |
18369 | |
18370 | /* | |
18371 | * Don't try to allocate more rpi header regions if the device limit | |
6d368e53 | 18372 | * has been exhausted. |
6fb120a7 JS |
18373 | */ |
18374 | if ((rpi == LPFC_RPI_ALLOC_ERROR) && | |
18375 | (phba->sli4_hba.rpi_count >= max_rpi)) { | |
4902b381 | 18376 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
18377 | return rpi; |
18378 | } | |
18379 | ||
6d368e53 JS |
18380 | /* |
18381 | * RPI header postings are not required for SLI4 ports capable of | |
18382 | * extents. | |
18383 | */ | |
18384 | if (!phba->sli4_hba.rpi_hdrs_in_use) { | |
4902b381 | 18385 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6d368e53 JS |
18386 | return rpi; |
18387 | } | |
18388 | ||
6fb120a7 JS |
18389 | /* |
18390 | * If the driver is running low on rpi resources, allocate another | |
18391 | * page now. Note that the next_rpi value is used because | |
18392 | * it represents how many are actually in use whereas max_rpi notes | |
18393 | * how many are supported max by the device. | |
18394 | */ | |
6d368e53 | 18395 | rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count; |
4902b381 | 18396 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
18397 | if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) { |
18398 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
18399 | if (!rpi_hdr) { | |
18400 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18401 | "2002 Error Could not grow rpi " | |
18402 | "count\n"); | |
18403 | } else { | |
6d368e53 JS |
18404 | lrpi = rpi_hdr->start_rpi; |
18405 | rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
6fb120a7 JS |
18406 | lpfc_sli4_post_rpi_hdr(phba, rpi_hdr); |
18407 | } | |
18408 | } | |
18409 | ||
18410 | return rpi; | |
18411 | } | |
18412 | ||
d7c47992 JS |
18413 | /** |
18414 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
18415 | * @phba: pointer to lpfc hba data structure. | |
18416 | * | |
18417 | * This routine is invoked to release an rpi to the pool of | |
18418 | * available rpis maintained by the driver. | |
18419 | **/ | |
5d8b8167 | 18420 | static void |
d7c47992 JS |
18421 | __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) |
18422 | { | |
7cfd5639 JS |
18423 | /* |
18424 | * if the rpi value indicates a prior unreg has already | |
18425 | * been done, skip the unreg. | |
18426 | */ | |
18427 | if (rpi == LPFC_RPI_ALLOC_ERROR) | |
18428 | return; | |
18429 | ||
d7c47992 JS |
18430 | if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) { |
18431 | phba->sli4_hba.rpi_count--; | |
18432 | phba->sli4_hba.max_cfg_param.rpi_used--; | |
b95b2119 | 18433 | } else { |
0f154226 JS |
18434 | lpfc_printf_log(phba, KERN_INFO, |
18435 | LOG_NODE | LOG_DISCOVERY, | |
b95b2119 JS |
18436 | "2016 rpi %x not inuse\n", |
18437 | rpi); | |
d7c47992 JS |
18438 | } |
18439 | } | |
18440 | ||
6fb120a7 JS |
18441 | /** |
18442 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
18443 | * @phba: pointer to lpfc hba data structure. | |
18444 | * | |
18445 | * This routine is invoked to release an rpi to the pool of | |
18446 | * available rpis maintained by the driver. | |
18447 | **/ | |
18448 | void | |
18449 | lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) | |
18450 | { | |
18451 | spin_lock_irq(&phba->hbalock); | |
d7c47992 | 18452 | __lpfc_sli4_free_rpi(phba, rpi); |
6fb120a7 JS |
18453 | spin_unlock_irq(&phba->hbalock); |
18454 | } | |
18455 | ||
18456 | /** | |
18457 | * lpfc_sli4_remove_rpis - Remove the rpi bitmask region | |
18458 | * @phba: pointer to lpfc hba data structure. | |
18459 | * | |
18460 | * This routine is invoked to remove the memory region that | |
18461 | * provided rpi via a bitmask. | |
18462 | **/ | |
18463 | void | |
18464 | lpfc_sli4_remove_rpis(struct lpfc_hba *phba) | |
18465 | { | |
18466 | kfree(phba->sli4_hba.rpi_bmask); | |
6d368e53 JS |
18467 | kfree(phba->sli4_hba.rpi_ids); |
18468 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6fb120a7 JS |
18469 | } |
18470 | ||
18471 | /** | |
18472 | * lpfc_sli4_resume_rpi - Remove the rpi bitmask region | |
18473 | * @phba: pointer to lpfc hba data structure. | |
18474 | * | |
18475 | * This routine is invoked to remove the memory region that | |
18476 | * provided rpi via a bitmask. | |
18477 | **/ | |
18478 | int | |
6b5151fd JS |
18479 | lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, |
18480 | void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) | |
6fb120a7 JS |
18481 | { |
18482 | LPFC_MBOXQ_t *mboxq; | |
18483 | struct lpfc_hba *phba = ndlp->phba; | |
18484 | int rc; | |
18485 | ||
18486 | /* The port is notified of the header region via a mailbox command. */ | |
18487 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18488 | if (!mboxq) | |
18489 | return -ENOMEM; | |
18490 | ||
18491 | /* Post all rpi memory regions to the port. */ | |
18492 | lpfc_resume_rpi(mboxq, ndlp); | |
6b5151fd JS |
18493 | if (cmpl) { |
18494 | mboxq->mbox_cmpl = cmpl; | |
3e1f0718 JS |
18495 | mboxq->ctx_buf = arg; |
18496 | mboxq->ctx_ndlp = ndlp; | |
72859909 JS |
18497 | } else |
18498 | mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6b5151fd | 18499 | mboxq->vport = ndlp->vport; |
6fb120a7 JS |
18500 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
18501 | if (rc == MBX_NOT_FINISHED) { | |
18502 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18503 | "2010 Resume RPI Mailbox failed " | |
18504 | "status %d, mbxStatus x%x\n", rc, | |
18505 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
18506 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18507 | return -EIO; | |
18508 | } | |
18509 | return 0; | |
18510 | } | |
18511 | ||
18512 | /** | |
18513 | * lpfc_sli4_init_vpi - Initialize a vpi with the port | |
76a95d75 | 18514 | * @vport: Pointer to the vport for which the vpi is being initialized |
6fb120a7 | 18515 | * |
76a95d75 | 18516 | * This routine is invoked to activate a vpi with the port. |
6fb120a7 JS |
18517 | * |
18518 | * Returns: | |
18519 | * 0 success | |
18520 | * -Evalue otherwise | |
18521 | **/ | |
18522 | int | |
76a95d75 | 18523 | lpfc_sli4_init_vpi(struct lpfc_vport *vport) |
6fb120a7 JS |
18524 | { |
18525 | LPFC_MBOXQ_t *mboxq; | |
18526 | int rc = 0; | |
6a9c52cf | 18527 | int retval = MBX_SUCCESS; |
6fb120a7 | 18528 | uint32_t mbox_tmo; |
76a95d75 | 18529 | struct lpfc_hba *phba = vport->phba; |
6fb120a7 JS |
18530 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18531 | if (!mboxq) | |
18532 | return -ENOMEM; | |
76a95d75 | 18533 | lpfc_init_vpi(phba, mboxq, vport->vpi); |
a183a15f | 18534 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
6fb120a7 | 18535 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
6fb120a7 | 18536 | if (rc != MBX_SUCCESS) { |
76a95d75 | 18537 | lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, |
6fb120a7 JS |
18538 | "2022 INIT VPI Mailbox failed " |
18539 | "status %d, mbxStatus x%x\n", rc, | |
18540 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
6a9c52cf | 18541 | retval = -EIO; |
6fb120a7 | 18542 | } |
6a9c52cf | 18543 | if (rc != MBX_TIMEOUT) |
76a95d75 | 18544 | mempool_free(mboxq, vport->phba->mbox_mem_pool); |
6a9c52cf JS |
18545 | |
18546 | return retval; | |
6fb120a7 JS |
18547 | } |
18548 | ||
18549 | /** | |
18550 | * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler. | |
18551 | * @phba: pointer to lpfc hba data structure. | |
18552 | * @mboxq: Pointer to mailbox object. | |
18553 | * | |
18554 | * This routine is invoked to manually add a single FCF record. The caller | |
18555 | * must pass a completely initialized FCF_Record. This routine takes | |
18556 | * care of the nonembedded mailbox operations. | |
18557 | **/ | |
18558 | static void | |
18559 | lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
18560 | { | |
18561 | void *virt_addr; | |
18562 | union lpfc_sli4_cfg_shdr *shdr; | |
18563 | uint32_t shdr_status, shdr_add_status; | |
18564 | ||
18565 | virt_addr = mboxq->sge_array->addr[0]; | |
18566 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
18567 | shdr = (union lpfc_sli4_cfg_shdr *) virt_addr; | |
18568 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18569 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18570 | ||
18571 | if ((shdr_status || shdr_add_status) && | |
18572 | (shdr_status != STATUS_FCF_IN_USE)) | |
18573 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18574 | "2558 ADD_FCF_RECORD mailbox failed with " | |
18575 | "status x%x add_status x%x\n", | |
18576 | shdr_status, shdr_add_status); | |
18577 | ||
18578 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18579 | } | |
18580 | ||
18581 | /** | |
18582 | * lpfc_sli4_add_fcf_record - Manually add an FCF Record. | |
18583 | * @phba: pointer to lpfc hba data structure. | |
18584 | * @fcf_record: pointer to the initialized fcf record to add. | |
18585 | * | |
18586 | * This routine is invoked to manually add a single FCF record. The caller | |
18587 | * must pass a completely initialized FCF_Record. This routine takes | |
18588 | * care of the nonembedded mailbox operations. | |
18589 | **/ | |
18590 | int | |
18591 | lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record) | |
18592 | { | |
18593 | int rc = 0; | |
18594 | LPFC_MBOXQ_t *mboxq; | |
18595 | uint8_t *bytep; | |
18596 | void *virt_addr; | |
6fb120a7 JS |
18597 | struct lpfc_mbx_sge sge; |
18598 | uint32_t alloc_len, req_len; | |
18599 | uint32_t fcfindex; | |
18600 | ||
18601 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18602 | if (!mboxq) { | |
18603 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18604 | "2009 Failed to allocate mbox for ADD_FCF cmd\n"); | |
18605 | return -ENOMEM; | |
18606 | } | |
18607 | ||
18608 | req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) + | |
18609 | sizeof(uint32_t); | |
18610 | ||
18611 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
18612 | alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
18613 | LPFC_MBOX_OPCODE_FCOE_ADD_FCF, | |
18614 | req_len, LPFC_SLI4_MBX_NEMBED); | |
18615 | if (alloc_len < req_len) { | |
18616 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18617 | "2523 Allocated DMA memory size (x%x) is " | |
18618 | "less than the requested DMA memory " | |
18619 | "size (x%x)\n", alloc_len, req_len); | |
18620 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18621 | return -ENOMEM; | |
18622 | } | |
18623 | ||
18624 | /* | |
18625 | * Get the first SGE entry from the non-embedded DMA memory. This | |
18626 | * routine only uses a single SGE. | |
18627 | */ | |
18628 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
6fb120a7 JS |
18629 | virt_addr = mboxq->sge_array->addr[0]; |
18630 | /* | |
18631 | * Configure the FCF record for FCFI 0. This is the driver's | |
18632 | * hardcoded default and gets used in nonFIP mode. | |
18633 | */ | |
18634 | fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record); | |
18635 | bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); | |
18636 | lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t)); | |
18637 | ||
18638 | /* | |
18639 | * Copy the fcf_index and the FCF Record Data. The data starts after | |
18640 | * the FCoE header plus word10. The data copy needs to be endian | |
18641 | * correct. | |
18642 | */ | |
18643 | bytep += sizeof(uint32_t); | |
18644 | lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record)); | |
18645 | mboxq->vport = phba->pport; | |
18646 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record; | |
18647 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
18648 | if (rc == MBX_NOT_FINISHED) { | |
18649 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18650 | "2515 ADD_FCF_RECORD mailbox failed with " | |
18651 | "status 0x%x\n", rc); | |
18652 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18653 | rc = -EIO; | |
18654 | } else | |
18655 | rc = 0; | |
18656 | ||
18657 | return rc; | |
18658 | } | |
18659 | ||
18660 | /** | |
18661 | * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record. | |
18662 | * @phba: pointer to lpfc hba data structure. | |
18663 | * @fcf_record: pointer to the fcf record to write the default data. | |
18664 | * @fcf_index: FCF table entry index. | |
18665 | * | |
18666 | * This routine is invoked to build the driver's default FCF record. The | |
18667 | * values used are hardcoded. This routine handles memory initialization. | |
18668 | * | |
18669 | **/ | |
18670 | void | |
18671 | lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba, | |
18672 | struct fcf_record *fcf_record, | |
18673 | uint16_t fcf_index) | |
18674 | { | |
18675 | memset(fcf_record, 0, sizeof(struct fcf_record)); | |
18676 | fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE; | |
18677 | fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER; | |
18678 | fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY; | |
18679 | bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]); | |
18680 | bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]); | |
18681 | bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]); | |
18682 | bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3); | |
18683 | bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4); | |
18684 | bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5); | |
18685 | bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]); | |
18686 | bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]); | |
18687 | bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]); | |
18688 | bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1); | |
0c287589 | 18689 | bf_set(lpfc_fcf_record_fcf_avail, fcf_record, 1); |
6fb120a7 JS |
18690 | bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index); |
18691 | bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record, | |
18692 | LPFC_FCF_FPMA | LPFC_FCF_SPMA); | |
18693 | /* Set the VLAN bit map */ | |
18694 | if (phba->valid_vlan) { | |
18695 | fcf_record->vlan_bitmap[phba->vlan_id / 8] | |
18696 | = 1 << (phba->vlan_id % 8); | |
18697 | } | |
18698 | } | |
18699 | ||
18700 | /** | |
0c9ab6f5 | 18701 | * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan. |
6fb120a7 JS |
18702 | * @phba: pointer to lpfc hba data structure. |
18703 | * @fcf_index: FCF table entry offset. | |
18704 | * | |
0c9ab6f5 JS |
18705 | * This routine is invoked to scan the entire FCF table by reading FCF |
18706 | * record and processing it one at a time starting from the @fcf_index | |
18707 | * for initial FCF discovery or fast FCF failover rediscovery. | |
18708 | * | |
25985edc | 18709 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 | 18710 | * otherwise. |
6fb120a7 JS |
18711 | **/ |
18712 | int | |
0c9ab6f5 | 18713 | lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) |
6fb120a7 JS |
18714 | { |
18715 | int rc = 0, error; | |
18716 | LPFC_MBOXQ_t *mboxq; | |
6fb120a7 | 18717 | |
32b9793f | 18718 | phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag; |
80c17849 | 18719 | phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag; |
6fb120a7 JS |
18720 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18721 | if (!mboxq) { | |
18722 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18723 | "2000 Failed to allocate mbox for " | |
18724 | "READ_FCF cmd\n"); | |
4d9ab994 | 18725 | error = -ENOMEM; |
0c9ab6f5 | 18726 | goto fail_fcf_scan; |
6fb120a7 | 18727 | } |
ecfd03c6 | 18728 | /* Construct the read FCF record mailbox command */ |
0c9ab6f5 | 18729 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); |
ecfd03c6 JS |
18730 | if (rc) { |
18731 | error = -EINVAL; | |
0c9ab6f5 | 18732 | goto fail_fcf_scan; |
6fb120a7 | 18733 | } |
ecfd03c6 | 18734 | /* Issue the mailbox command asynchronously */ |
6fb120a7 | 18735 | mboxq->vport = phba->pport; |
0c9ab6f5 | 18736 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; |
a93ff37a JS |
18737 | |
18738 | spin_lock_irq(&phba->hbalock); | |
18739 | phba->hba_flag |= FCF_TS_INPROG; | |
18740 | spin_unlock_irq(&phba->hbalock); | |
18741 | ||
6fb120a7 | 18742 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
ecfd03c6 | 18743 | if (rc == MBX_NOT_FINISHED) |
6fb120a7 | 18744 | error = -EIO; |
ecfd03c6 | 18745 | else { |
38b92ef8 JS |
18746 | /* Reset eligible FCF count for new scan */ |
18747 | if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) | |
999d813f | 18748 | phba->fcf.eligible_fcf_cnt = 0; |
6fb120a7 | 18749 | error = 0; |
32b9793f | 18750 | } |
0c9ab6f5 | 18751 | fail_fcf_scan: |
4d9ab994 JS |
18752 | if (error) { |
18753 | if (mboxq) | |
18754 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
a93ff37a | 18755 | /* FCF scan failed, clear FCF_TS_INPROG flag */ |
4d9ab994 | 18756 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 18757 | phba->hba_flag &= ~FCF_TS_INPROG; |
4d9ab994 JS |
18758 | spin_unlock_irq(&phba->hbalock); |
18759 | } | |
6fb120a7 JS |
18760 | return error; |
18761 | } | |
a0c87cbd | 18762 | |
0c9ab6f5 | 18763 | /** |
a93ff37a | 18764 | * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf. |
0c9ab6f5 JS |
18765 | * @phba: pointer to lpfc hba data structure. |
18766 | * @fcf_index: FCF table entry offset. | |
18767 | * | |
18768 | * This routine is invoked to read an FCF record indicated by @fcf_index | |
a93ff37a | 18769 | * and to use it for FLOGI roundrobin FCF failover. |
0c9ab6f5 | 18770 | * |
25985edc | 18771 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
18772 | * otherwise. |
18773 | **/ | |
18774 | int | |
18775 | lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
18776 | { | |
18777 | int rc = 0, error; | |
18778 | LPFC_MBOXQ_t *mboxq; | |
18779 | ||
18780 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18781 | if (!mboxq) { | |
18782 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
18783 | "2763 Failed to allocate mbox for " | |
18784 | "READ_FCF cmd\n"); | |
18785 | error = -ENOMEM; | |
18786 | goto fail_fcf_read; | |
18787 | } | |
18788 | /* Construct the read FCF record mailbox command */ | |
18789 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
18790 | if (rc) { | |
18791 | error = -EINVAL; | |
18792 | goto fail_fcf_read; | |
18793 | } | |
18794 | /* Issue the mailbox command asynchronously */ | |
18795 | mboxq->vport = phba->pport; | |
18796 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec; | |
18797 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
18798 | if (rc == MBX_NOT_FINISHED) | |
18799 | error = -EIO; | |
18800 | else | |
18801 | error = 0; | |
18802 | ||
18803 | fail_fcf_read: | |
18804 | if (error && mboxq) | |
18805 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18806 | return error; | |
18807 | } | |
18808 | ||
18809 | /** | |
18810 | * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask. | |
18811 | * @phba: pointer to lpfc hba data structure. | |
18812 | * @fcf_index: FCF table entry offset. | |
18813 | * | |
18814 | * This routine is invoked to read an FCF record indicated by @fcf_index to | |
a93ff37a | 18815 | * determine whether it's eligible for FLOGI roundrobin failover list. |
0c9ab6f5 | 18816 | * |
25985edc | 18817 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
18818 | * otherwise. |
18819 | **/ | |
18820 | int | |
18821 | lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
18822 | { | |
18823 | int rc = 0, error; | |
18824 | LPFC_MBOXQ_t *mboxq; | |
18825 | ||
18826 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18827 | if (!mboxq) { | |
18828 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
18829 | "2758 Failed to allocate mbox for " | |
18830 | "READ_FCF cmd\n"); | |
18831 | error = -ENOMEM; | |
18832 | goto fail_fcf_read; | |
18833 | } | |
18834 | /* Construct the read FCF record mailbox command */ | |
18835 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
18836 | if (rc) { | |
18837 | error = -EINVAL; | |
18838 | goto fail_fcf_read; | |
18839 | } | |
18840 | /* Issue the mailbox command asynchronously */ | |
18841 | mboxq->vport = phba->pport; | |
18842 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec; | |
18843 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
18844 | if (rc == MBX_NOT_FINISHED) | |
18845 | error = -EIO; | |
18846 | else | |
18847 | error = 0; | |
18848 | ||
18849 | fail_fcf_read: | |
18850 | if (error && mboxq) | |
18851 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
18852 | return error; | |
18853 | } | |
18854 | ||
7d791df7 | 18855 | /** |
f5cb5304 | 18856 | * lpfc_check_next_fcf_pri_level |
7d791df7 JS |
18857 | * phba pointer to the lpfc_hba struct for this port. |
18858 | * This routine is called from the lpfc_sli4_fcf_rr_next_index_get | |
18859 | * routine when the rr_bmask is empty. The FCF indecies are put into the | |
18860 | * rr_bmask based on their priority level. Starting from the highest priority | |
18861 | * to the lowest. The most likely FCF candidate will be in the highest | |
18862 | * priority group. When this routine is called it searches the fcf_pri list for | |
18863 | * next lowest priority group and repopulates the rr_bmask with only those | |
18864 | * fcf_indexes. | |
18865 | * returns: | |
18866 | * 1=success 0=failure | |
18867 | **/ | |
5d8b8167 | 18868 | static int |
7d791df7 JS |
18869 | lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba) |
18870 | { | |
18871 | uint16_t next_fcf_pri; | |
18872 | uint16_t last_index; | |
18873 | struct lpfc_fcf_pri *fcf_pri; | |
18874 | int rc; | |
18875 | int ret = 0; | |
18876 | ||
18877 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
18878 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
18879 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
18880 | "3060 Last IDX %d\n", last_index); | |
2562669c JS |
18881 | |
18882 | /* Verify the priority list has 2 or more entries */ | |
18883 | spin_lock_irq(&phba->hbalock); | |
18884 | if (list_empty(&phba->fcf.fcf_pri_list) || | |
18885 | list_is_singular(&phba->fcf.fcf_pri_list)) { | |
18886 | spin_unlock_irq(&phba->hbalock); | |
7d791df7 JS |
18887 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
18888 | "3061 Last IDX %d\n", last_index); | |
18889 | return 0; /* Empty rr list */ | |
18890 | } | |
2562669c JS |
18891 | spin_unlock_irq(&phba->hbalock); |
18892 | ||
7d791df7 JS |
18893 | next_fcf_pri = 0; |
18894 | /* | |
18895 | * Clear the rr_bmask and set all of the bits that are at this | |
18896 | * priority. | |
18897 | */ | |
18898 | memset(phba->fcf.fcf_rr_bmask, 0, | |
18899 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
18900 | spin_lock_irq(&phba->hbalock); | |
18901 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
18902 | if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED) | |
18903 | continue; | |
18904 | /* | |
18905 | * the 1st priority that has not FLOGI failed | |
18906 | * will be the highest. | |
18907 | */ | |
18908 | if (!next_fcf_pri) | |
18909 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
18910 | spin_unlock_irq(&phba->hbalock); | |
18911 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
18912 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
18913 | fcf_pri->fcf_rec.fcf_index); | |
18914 | if (rc) | |
18915 | return 0; | |
18916 | } | |
18917 | spin_lock_irq(&phba->hbalock); | |
18918 | } | |
18919 | /* | |
18920 | * if next_fcf_pri was not set above and the list is not empty then | |
18921 | * we have failed flogis on all of them. So reset flogi failed | |
4907cb7b | 18922 | * and start at the beginning. |
7d791df7 JS |
18923 | */ |
18924 | if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) { | |
18925 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
18926 | fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED; | |
18927 | /* | |
18928 | * the 1st priority that has not FLOGI failed | |
18929 | * will be the highest. | |
18930 | */ | |
18931 | if (!next_fcf_pri) | |
18932 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
18933 | spin_unlock_irq(&phba->hbalock); | |
18934 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
18935 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
18936 | fcf_pri->fcf_rec.fcf_index); | |
18937 | if (rc) | |
18938 | return 0; | |
18939 | } | |
18940 | spin_lock_irq(&phba->hbalock); | |
18941 | } | |
18942 | } else | |
18943 | ret = 1; | |
18944 | spin_unlock_irq(&phba->hbalock); | |
18945 | ||
18946 | return ret; | |
18947 | } | |
0c9ab6f5 JS |
18948 | /** |
18949 | * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index | |
18950 | * @phba: pointer to lpfc hba data structure. | |
18951 | * | |
18952 | * This routine is to get the next eligible FCF record index in a round | |
18953 | * robin fashion. If the next eligible FCF record index equals to the | |
a93ff37a | 18954 | * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) |
0c9ab6f5 JS |
18955 | * shall be returned, otherwise, the next eligible FCF record's index |
18956 | * shall be returned. | |
18957 | **/ | |
18958 | uint16_t | |
18959 | lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) | |
18960 | { | |
18961 | uint16_t next_fcf_index; | |
18962 | ||
421c6622 | 18963 | initial_priority: |
3804dc84 | 18964 | /* Search start from next bit of currently registered FCF index */ |
421c6622 JS |
18965 | next_fcf_index = phba->fcf.current_rec.fcf_indx; |
18966 | ||
7d791df7 | 18967 | next_priority: |
421c6622 JS |
18968 | /* Determine the next fcf index to check */ |
18969 | next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX; | |
0c9ab6f5 JS |
18970 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
18971 | LPFC_SLI4_FCF_TBL_INDX_MAX, | |
3804dc84 JS |
18972 | next_fcf_index); |
18973 | ||
0c9ab6f5 | 18974 | /* Wrap around condition on phba->fcf.fcf_rr_bmask */ |
7d791df7 JS |
18975 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
18976 | /* | |
18977 | * If we have wrapped then we need to clear the bits that | |
18978 | * have been tested so that we can detect when we should | |
18979 | * change the priority level. | |
18980 | */ | |
0c9ab6f5 JS |
18981 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
18982 | LPFC_SLI4_FCF_TBL_INDX_MAX, 0); | |
7d791df7 JS |
18983 | } |
18984 | ||
3804dc84 JS |
18985 | |
18986 | /* Check roundrobin failover list empty condition */ | |
7d791df7 JS |
18987 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX || |
18988 | next_fcf_index == phba->fcf.current_rec.fcf_indx) { | |
18989 | /* | |
18990 | * If next fcf index is not found check if there are lower | |
18991 | * Priority level fcf's in the fcf_priority list. | |
18992 | * Set up the rr_bmask with all of the avaiable fcf bits | |
18993 | * at that level and continue the selection process. | |
18994 | */ | |
18995 | if (lpfc_check_next_fcf_pri_level(phba)) | |
421c6622 | 18996 | goto initial_priority; |
3804dc84 JS |
18997 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
18998 | "2844 No roundrobin failover FCF available\n"); | |
036cad1f JS |
18999 | |
19000 | return LPFC_FCOE_FCF_NEXT_NONE; | |
3804dc84 JS |
19001 | } |
19002 | ||
7d791df7 JS |
19003 | if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX && |
19004 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag & | |
f5cb5304 JS |
19005 | LPFC_FCF_FLOGI_FAILED) { |
19006 | if (list_is_singular(&phba->fcf.fcf_pri_list)) | |
19007 | return LPFC_FCOE_FCF_NEXT_NONE; | |
19008 | ||
7d791df7 | 19009 | goto next_priority; |
f5cb5304 | 19010 | } |
7d791df7 | 19011 | |
3804dc84 | 19012 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
19013 | "2845 Get next roundrobin failover FCF (x%x)\n", |
19014 | next_fcf_index); | |
19015 | ||
0c9ab6f5 JS |
19016 | return next_fcf_index; |
19017 | } | |
19018 | ||
19019 | /** | |
19020 | * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index | |
19021 | * @phba: pointer to lpfc hba data structure. | |
19022 | * | |
19023 | * This routine sets the FCF record index in to the eligible bmask for | |
a93ff37a | 19024 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
19025 | * does not go beyond the range of the driver allocated bmask dimension |
19026 | * before setting the bit. | |
19027 | * | |
19028 | * Returns 0 if the index bit successfully set, otherwise, it returns | |
19029 | * -EINVAL. | |
19030 | **/ | |
19031 | int | |
19032 | lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) | |
19033 | { | |
19034 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
19035 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
19036 | "2610 FCF (x%x) reached driver's book " |
19037 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
19038 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
19039 | return -EINVAL; | |
19040 | } | |
19041 | /* Set the eligible FCF record index bmask */ | |
19042 | set_bit(fcf_index, phba->fcf.fcf_rr_bmask); | |
19043 | ||
3804dc84 | 19044 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 19045 | "2790 Set FCF (x%x) to roundrobin FCF failover " |
3804dc84 JS |
19046 | "bmask\n", fcf_index); |
19047 | ||
0c9ab6f5 JS |
19048 | return 0; |
19049 | } | |
19050 | ||
19051 | /** | |
3804dc84 | 19052 | * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index |
0c9ab6f5 JS |
19053 | * @phba: pointer to lpfc hba data structure. |
19054 | * | |
19055 | * This routine clears the FCF record index from the eligible bmask for | |
a93ff37a | 19056 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
19057 | * does not go beyond the range of the driver allocated bmask dimension |
19058 | * before clearing the bit. | |
19059 | **/ | |
19060 | void | |
19061 | lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) | |
19062 | { | |
9a803a74 | 19063 | struct lpfc_fcf_pri *fcf_pri, *fcf_pri_next; |
0c9ab6f5 JS |
19064 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
19065 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
19066 | "2762 FCF (x%x) reached driver's book " |
19067 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
19068 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
19069 | return; | |
19070 | } | |
19071 | /* Clear the eligible FCF record index bmask */ | |
7d791df7 | 19072 | spin_lock_irq(&phba->hbalock); |
9a803a74 JS |
19073 | list_for_each_entry_safe(fcf_pri, fcf_pri_next, &phba->fcf.fcf_pri_list, |
19074 | list) { | |
7d791df7 JS |
19075 | if (fcf_pri->fcf_rec.fcf_index == fcf_index) { |
19076 | list_del_init(&fcf_pri->list); | |
19077 | break; | |
19078 | } | |
19079 | } | |
19080 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 19081 | clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); |
3804dc84 JS |
19082 | |
19083 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 19084 | "2791 Clear FCF (x%x) from roundrobin failover " |
3804dc84 | 19085 | "bmask\n", fcf_index); |
0c9ab6f5 JS |
19086 | } |
19087 | ||
ecfd03c6 JS |
19088 | /** |
19089 | * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table | |
19090 | * @phba: pointer to lpfc hba data structure. | |
19091 | * | |
19092 | * This routine is the completion routine for the rediscover FCF table mailbox | |
19093 | * command. If the mailbox command returned failure, it will try to stop the | |
19094 | * FCF rediscover wait timer. | |
19095 | **/ | |
5d8b8167 | 19096 | static void |
ecfd03c6 JS |
19097 | lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) |
19098 | { | |
19099 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
19100 | uint32_t shdr_status, shdr_add_status; | |
19101 | ||
19102 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
19103 | ||
19104 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
19105 | &redisc_fcf->header.cfg_shdr.response); | |
19106 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
19107 | &redisc_fcf->header.cfg_shdr.response); | |
19108 | if (shdr_status || shdr_add_status) { | |
0c9ab6f5 | 19109 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
ecfd03c6 JS |
19110 | "2746 Requesting for FCF rediscovery failed " |
19111 | "status x%x add_status x%x\n", | |
19112 | shdr_status, shdr_add_status); | |
0c9ab6f5 | 19113 | if (phba->fcf.fcf_flag & FCF_ACVL_DISC) { |
fc2b989b | 19114 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 19115 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b JS |
19116 | spin_unlock_irq(&phba->hbalock); |
19117 | /* | |
19118 | * CVL event triggered FCF rediscover request failed, | |
19119 | * last resort to re-try current registered FCF entry. | |
19120 | */ | |
19121 | lpfc_retry_pport_discovery(phba); | |
19122 | } else { | |
19123 | spin_lock_irq(&phba->hbalock); | |
0c9ab6f5 | 19124 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; |
fc2b989b JS |
19125 | spin_unlock_irq(&phba->hbalock); |
19126 | /* | |
19127 | * DEAD FCF event triggered FCF rediscover request | |
19128 | * failed, last resort to fail over as a link down | |
19129 | * to FCF registration. | |
19130 | */ | |
19131 | lpfc_sli4_fcf_dead_failthrough(phba); | |
19132 | } | |
0c9ab6f5 JS |
19133 | } else { |
19134 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 19135 | "2775 Start FCF rediscover quiescent timer\n"); |
ecfd03c6 JS |
19136 | /* |
19137 | * Start FCF rediscovery wait timer for pending FCF | |
19138 | * before rescan FCF record table. | |
19139 | */ | |
19140 | lpfc_fcf_redisc_wait_start_timer(phba); | |
0c9ab6f5 | 19141 | } |
ecfd03c6 JS |
19142 | |
19143 | mempool_free(mbox, phba->mbox_mem_pool); | |
19144 | } | |
19145 | ||
19146 | /** | |
3804dc84 | 19147 | * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port. |
ecfd03c6 JS |
19148 | * @phba: pointer to lpfc hba data structure. |
19149 | * | |
19150 | * This routine is invoked to request for rediscovery of the entire FCF table | |
19151 | * by the port. | |
19152 | **/ | |
19153 | int | |
19154 | lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba) | |
19155 | { | |
19156 | LPFC_MBOXQ_t *mbox; | |
19157 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
19158 | int rc, length; | |
19159 | ||
0c9ab6f5 JS |
19160 | /* Cancel retry delay timers to all vports before FCF rediscover */ |
19161 | lpfc_cancel_all_vport_retry_delay_timer(phba); | |
19162 | ||
ecfd03c6 JS |
19163 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
19164 | if (!mbox) { | |
19165 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
19166 | "2745 Failed to allocate mbox for " | |
19167 | "requesting FCF rediscover.\n"); | |
19168 | return -ENOMEM; | |
19169 | } | |
19170 | ||
19171 | length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) - | |
19172 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
19173 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
19174 | LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF, | |
19175 | length, LPFC_SLI4_MBX_EMBED); | |
19176 | ||
19177 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
19178 | /* Set count to 0 for invalidating the entire FCF database */ | |
19179 | bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0); | |
19180 | ||
19181 | /* Issue the mailbox command asynchronously */ | |
19182 | mbox->vport = phba->pport; | |
19183 | mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table; | |
19184 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
19185 | ||
19186 | if (rc == MBX_NOT_FINISHED) { | |
19187 | mempool_free(mbox, phba->mbox_mem_pool); | |
19188 | return -EIO; | |
19189 | } | |
19190 | return 0; | |
19191 | } | |
19192 | ||
fc2b989b JS |
19193 | /** |
19194 | * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event | |
19195 | * @phba: pointer to lpfc hba data structure. | |
19196 | * | |
19197 | * This function is the failover routine as a last resort to the FCF DEAD | |
19198 | * event when driver failed to perform fast FCF failover. | |
19199 | **/ | |
19200 | void | |
19201 | lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba) | |
19202 | { | |
19203 | uint32_t link_state; | |
19204 | ||
19205 | /* | |
19206 | * Last resort as FCF DEAD event failover will treat this as | |
19207 | * a link down, but save the link state because we don't want | |
19208 | * it to be changed to Link Down unless it is already down. | |
19209 | */ | |
19210 | link_state = phba->link_state; | |
19211 | lpfc_linkdown(phba); | |
19212 | phba->link_state = link_state; | |
19213 | ||
19214 | /* Unregister FCF if no devices connected to it */ | |
19215 | lpfc_unregister_unused_fcf(phba); | |
19216 | } | |
19217 | ||
a0c87cbd | 19218 | /** |
026abb87 | 19219 | * lpfc_sli_get_config_region23 - Get sli3 port region 23 data. |
a0c87cbd | 19220 | * @phba: pointer to lpfc hba data structure. |
026abb87 | 19221 | * @rgn23_data: pointer to configure region 23 data. |
a0c87cbd | 19222 | * |
026abb87 JS |
19223 | * This function gets SLI3 port configure region 23 data through memory dump |
19224 | * mailbox command. When it successfully retrieves data, the size of the data | |
19225 | * will be returned, otherwise, 0 will be returned. | |
a0c87cbd | 19226 | **/ |
026abb87 JS |
19227 | static uint32_t |
19228 | lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
a0c87cbd JS |
19229 | { |
19230 | LPFC_MBOXQ_t *pmb = NULL; | |
19231 | MAILBOX_t *mb; | |
026abb87 | 19232 | uint32_t offset = 0; |
a0c87cbd JS |
19233 | int rc; |
19234 | ||
026abb87 JS |
19235 | if (!rgn23_data) |
19236 | return 0; | |
19237 | ||
a0c87cbd JS |
19238 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
19239 | if (!pmb) { | |
19240 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
026abb87 JS |
19241 | "2600 failed to allocate mailbox memory\n"); |
19242 | return 0; | |
a0c87cbd JS |
19243 | } |
19244 | mb = &pmb->u.mb; | |
19245 | ||
a0c87cbd JS |
19246 | do { |
19247 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23); | |
19248 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
19249 | ||
19250 | if (rc != MBX_SUCCESS) { | |
19251 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
026abb87 JS |
19252 | "2601 failed to read config " |
19253 | "region 23, rc 0x%x Status 0x%x\n", | |
19254 | rc, mb->mbxStatus); | |
a0c87cbd JS |
19255 | mb->un.varDmp.word_cnt = 0; |
19256 | } | |
19257 | /* | |
19258 | * dump mem may return a zero when finished or we got a | |
19259 | * mailbox error, either way we are done. | |
19260 | */ | |
19261 | if (mb->un.varDmp.word_cnt == 0) | |
19262 | break; | |
19263 | if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset) | |
19264 | mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset; | |
19265 | ||
19266 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
026abb87 JS |
19267 | rgn23_data + offset, |
19268 | mb->un.varDmp.word_cnt); | |
a0c87cbd JS |
19269 | offset += mb->un.varDmp.word_cnt; |
19270 | } while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE); | |
19271 | ||
026abb87 JS |
19272 | mempool_free(pmb, phba->mbox_mem_pool); |
19273 | return offset; | |
19274 | } | |
19275 | ||
19276 | /** | |
19277 | * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data. | |
19278 | * @phba: pointer to lpfc hba data structure. | |
19279 | * @rgn23_data: pointer to configure region 23 data. | |
19280 | * | |
19281 | * This function gets SLI4 port configure region 23 data through memory dump | |
19282 | * mailbox command. When it successfully retrieves data, the size of the data | |
19283 | * will be returned, otherwise, 0 will be returned. | |
19284 | **/ | |
19285 | static uint32_t | |
19286 | lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
19287 | { | |
19288 | LPFC_MBOXQ_t *mboxq = NULL; | |
19289 | struct lpfc_dmabuf *mp = NULL; | |
19290 | struct lpfc_mqe *mqe; | |
19291 | uint32_t data_length = 0; | |
19292 | int rc; | |
19293 | ||
19294 | if (!rgn23_data) | |
19295 | return 0; | |
19296 | ||
19297 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19298 | if (!mboxq) { | |
19299 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19300 | "3105 failed to allocate mailbox memory\n"); | |
19301 | return 0; | |
19302 | } | |
19303 | ||
19304 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) | |
19305 | goto out; | |
19306 | mqe = &mboxq->u.mqe; | |
3e1f0718 | 19307 | mp = (struct lpfc_dmabuf *)mboxq->ctx_buf; |
026abb87 JS |
19308 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
19309 | if (rc) | |
19310 | goto out; | |
19311 | data_length = mqe->un.mb_words[5]; | |
19312 | if (data_length == 0) | |
19313 | goto out; | |
19314 | if (data_length > DMP_RGN23_SIZE) { | |
19315 | data_length = 0; | |
19316 | goto out; | |
19317 | } | |
19318 | lpfc_sli_pcimem_bcopy((char *)mp->virt, rgn23_data, data_length); | |
19319 | out: | |
19320 | mempool_free(mboxq, phba->mbox_mem_pool); | |
19321 | if (mp) { | |
19322 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
19323 | kfree(mp); | |
19324 | } | |
19325 | return data_length; | |
19326 | } | |
19327 | ||
19328 | /** | |
19329 | * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled. | |
19330 | * @phba: pointer to lpfc hba data structure. | |
19331 | * | |
19332 | * This function read region 23 and parse TLV for port status to | |
19333 | * decide if the user disaled the port. If the TLV indicates the | |
19334 | * port is disabled, the hba_flag is set accordingly. | |
19335 | **/ | |
19336 | void | |
19337 | lpfc_sli_read_link_ste(struct lpfc_hba *phba) | |
19338 | { | |
19339 | uint8_t *rgn23_data = NULL; | |
19340 | uint32_t if_type, data_size, sub_tlv_len, tlv_offset; | |
19341 | uint32_t offset = 0; | |
19342 | ||
19343 | /* Get adapter Region 23 data */ | |
19344 | rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL); | |
19345 | if (!rgn23_data) | |
19346 | goto out; | |
19347 | ||
19348 | if (phba->sli_rev < LPFC_SLI_REV4) | |
19349 | data_size = lpfc_sli_get_config_region23(phba, rgn23_data); | |
19350 | else { | |
19351 | if_type = bf_get(lpfc_sli_intf_if_type, | |
19352 | &phba->sli4_hba.sli_intf); | |
19353 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) | |
19354 | goto out; | |
19355 | data_size = lpfc_sli4_get_config_region23(phba, rgn23_data); | |
19356 | } | |
a0c87cbd JS |
19357 | |
19358 | if (!data_size) | |
19359 | goto out; | |
19360 | ||
19361 | /* Check the region signature first */ | |
19362 | if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) { | |
19363 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19364 | "2619 Config region 23 has bad signature\n"); | |
19365 | goto out; | |
19366 | } | |
19367 | offset += 4; | |
19368 | ||
19369 | /* Check the data structure version */ | |
19370 | if (rgn23_data[offset] != LPFC_REGION23_VERSION) { | |
19371 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19372 | "2620 Config region 23 has bad version\n"); | |
19373 | goto out; | |
19374 | } | |
19375 | offset += 4; | |
19376 | ||
19377 | /* Parse TLV entries in the region */ | |
19378 | while (offset < data_size) { | |
19379 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) | |
19380 | break; | |
19381 | /* | |
19382 | * If the TLV is not driver specific TLV or driver id is | |
19383 | * not linux driver id, skip the record. | |
19384 | */ | |
19385 | if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) || | |
19386 | (rgn23_data[offset + 2] != LINUX_DRIVER_ID) || | |
19387 | (rgn23_data[offset + 3] != 0)) { | |
19388 | offset += rgn23_data[offset + 1] * 4 + 4; | |
19389 | continue; | |
19390 | } | |
19391 | ||
19392 | /* Driver found a driver specific TLV in the config region */ | |
19393 | sub_tlv_len = rgn23_data[offset + 1] * 4; | |
19394 | offset += 4; | |
19395 | tlv_offset = 0; | |
19396 | ||
19397 | /* | |
19398 | * Search for configured port state sub-TLV. | |
19399 | */ | |
19400 | while ((offset < data_size) && | |
19401 | (tlv_offset < sub_tlv_len)) { | |
19402 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) { | |
19403 | offset += 4; | |
19404 | tlv_offset += 4; | |
19405 | break; | |
19406 | } | |
19407 | if (rgn23_data[offset] != PORT_STE_TYPE) { | |
19408 | offset += rgn23_data[offset + 1] * 4 + 4; | |
19409 | tlv_offset += rgn23_data[offset + 1] * 4 + 4; | |
19410 | continue; | |
19411 | } | |
19412 | ||
19413 | /* This HBA contains PORT_STE configured */ | |
19414 | if (!rgn23_data[offset + 2]) | |
19415 | phba->hba_flag |= LINK_DISABLED; | |
19416 | ||
19417 | goto out; | |
19418 | } | |
19419 | } | |
026abb87 | 19420 | |
a0c87cbd | 19421 | out: |
a0c87cbd JS |
19422 | kfree(rgn23_data); |
19423 | return; | |
19424 | } | |
695a814e | 19425 | |
52d52440 JS |
19426 | /** |
19427 | * lpfc_wr_object - write an object to the firmware | |
19428 | * @phba: HBA structure that indicates port to create a queue on. | |
19429 | * @dmabuf_list: list of dmabufs to write to the port. | |
19430 | * @size: the total byte value of the objects to write to the port. | |
19431 | * @offset: the current offset to be used to start the transfer. | |
19432 | * | |
19433 | * This routine will create a wr_object mailbox command to send to the port. | |
19434 | * the mailbox command will be constructed using the dma buffers described in | |
19435 | * @dmabuf_list to create a list of BDEs. This routine will fill in as many | |
19436 | * BDEs that the imbedded mailbox can support. The @offset variable will be | |
19437 | * used to indicate the starting offset of the transfer and will also return | |
19438 | * the offset after the write object mailbox has completed. @size is used to | |
19439 | * determine the end of the object and whether the eof bit should be set. | |
19440 | * | |
19441 | * Return 0 is successful and offset will contain the the new offset to use | |
19442 | * for the next write. | |
19443 | * Return negative value for error cases. | |
19444 | **/ | |
19445 | int | |
19446 | lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list, | |
19447 | uint32_t size, uint32_t *offset) | |
19448 | { | |
19449 | struct lpfc_mbx_wr_object *wr_object; | |
19450 | LPFC_MBOXQ_t *mbox; | |
19451 | int rc = 0, i = 0; | |
f3d0a8ac | 19452 | uint32_t shdr_status, shdr_add_status, shdr_change_status, shdr_csf; |
52d52440 | 19453 | uint32_t mbox_tmo; |
52d52440 JS |
19454 | struct lpfc_dmabuf *dmabuf; |
19455 | uint32_t written = 0; | |
5021267a | 19456 | bool check_change_status = false; |
52d52440 JS |
19457 | |
19458 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
19459 | if (!mbox) | |
19460 | return -ENOMEM; | |
19461 | ||
19462 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
19463 | LPFC_MBOX_OPCODE_WRITE_OBJECT, | |
19464 | sizeof(struct lpfc_mbx_wr_object) - | |
19465 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); | |
19466 | ||
19467 | wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object; | |
19468 | wr_object->u.request.write_offset = *offset; | |
19469 | sprintf((uint8_t *)wr_object->u.request.object_name, "/"); | |
19470 | wr_object->u.request.object_name[0] = | |
19471 | cpu_to_le32(wr_object->u.request.object_name[0]); | |
19472 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0); | |
19473 | list_for_each_entry(dmabuf, dmabuf_list, list) { | |
19474 | if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size) | |
19475 | break; | |
19476 | wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys); | |
19477 | wr_object->u.request.bde[i].addrHigh = | |
19478 | putPaddrHigh(dmabuf->phys); | |
19479 | if (written + SLI4_PAGE_SIZE >= size) { | |
19480 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
19481 | (size - written); | |
19482 | written += (size - written); | |
19483 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1); | |
5021267a JS |
19484 | bf_set(lpfc_wr_object_eas, &wr_object->u.request, 1); |
19485 | check_change_status = true; | |
52d52440 JS |
19486 | } else { |
19487 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
19488 | SLI4_PAGE_SIZE; | |
19489 | written += SLI4_PAGE_SIZE; | |
19490 | } | |
19491 | i++; | |
19492 | } | |
19493 | wr_object->u.request.bde_count = i; | |
19494 | bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written); | |
19495 | if (!phba->sli4_hba.intr_enable) | |
19496 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
19497 | else { | |
a183a15f | 19498 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
52d52440 JS |
19499 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
19500 | } | |
19501 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
5021267a JS |
19502 | shdr_status = bf_get(lpfc_mbox_hdr_status, |
19503 | &wr_object->header.cfg_shdr.response); | |
19504 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
19505 | &wr_object->header.cfg_shdr.response); | |
19506 | if (check_change_status) { | |
19507 | shdr_change_status = bf_get(lpfc_wr_object_change_status, | |
19508 | &wr_object->u.response); | |
f3d0a8ac JS |
19509 | |
19510 | if (shdr_change_status == LPFC_CHANGE_STATUS_FW_RESET || | |
19511 | shdr_change_status == LPFC_CHANGE_STATUS_PORT_MIGRATION) { | |
19512 | shdr_csf = bf_get(lpfc_wr_object_csf, | |
19513 | &wr_object->u.response); | |
19514 | if (shdr_csf) | |
19515 | shdr_change_status = | |
19516 | LPFC_CHANGE_STATUS_PCI_RESET; | |
19517 | } | |
19518 | ||
5021267a JS |
19519 | switch (shdr_change_status) { |
19520 | case (LPFC_CHANGE_STATUS_PHYS_DEV_RESET): | |
19521 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19522 | "3198 Firmware write complete: System " | |
19523 | "reboot required to instantiate\n"); | |
19524 | break; | |
19525 | case (LPFC_CHANGE_STATUS_FW_RESET): | |
19526 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19527 | "3199 Firmware write complete: Firmware" | |
19528 | " reset required to instantiate\n"); | |
19529 | break; | |
19530 | case (LPFC_CHANGE_STATUS_PORT_MIGRATION): | |
19531 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19532 | "3200 Firmware write complete: Port " | |
19533 | "Migration or PCI Reset required to " | |
19534 | "instantiate\n"); | |
19535 | break; | |
19536 | case (LPFC_CHANGE_STATUS_PCI_RESET): | |
19537 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
19538 | "3201 Firmware write complete: PCI " | |
19539 | "Reset required to instantiate\n"); | |
19540 | break; | |
19541 | default: | |
19542 | break; | |
19543 | } | |
19544 | } | |
52d52440 JS |
19545 | if (rc != MBX_TIMEOUT) |
19546 | mempool_free(mbox, phba->mbox_mem_pool); | |
19547 | if (shdr_status || shdr_add_status || rc) { | |
19548 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
19549 | "3025 Write Object mailbox failed with " | |
19550 | "status x%x add_status x%x, mbx status x%x\n", | |
19551 | shdr_status, shdr_add_status, rc); | |
19552 | rc = -ENXIO; | |
1feb8204 | 19553 | *offset = shdr_add_status; |
52d52440 JS |
19554 | } else |
19555 | *offset += wr_object->u.response.actual_write_length; | |
19556 | return rc; | |
19557 | } | |
19558 | ||
695a814e JS |
19559 | /** |
19560 | * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands. | |
19561 | * @vport: pointer to vport data structure. | |
19562 | * | |
19563 | * This function iterate through the mailboxq and clean up all REG_LOGIN | |
19564 | * and REG_VPI mailbox commands associated with the vport. This function | |
19565 | * is called when driver want to restart discovery of the vport due to | |
19566 | * a Clear Virtual Link event. | |
19567 | **/ | |
19568 | void | |
19569 | lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) | |
19570 | { | |
19571 | struct lpfc_hba *phba = vport->phba; | |
19572 | LPFC_MBOXQ_t *mb, *nextmb; | |
19573 | struct lpfc_dmabuf *mp; | |
78730cfe | 19574 | struct lpfc_nodelist *ndlp; |
d439d286 | 19575 | struct lpfc_nodelist *act_mbx_ndlp = NULL; |
589a52d6 | 19576 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
d439d286 | 19577 | LIST_HEAD(mbox_cmd_list); |
63e801ce | 19578 | uint8_t restart_loop; |
695a814e | 19579 | |
d439d286 | 19580 | /* Clean up internally queued mailbox commands with the vport */ |
695a814e JS |
19581 | spin_lock_irq(&phba->hbalock); |
19582 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { | |
19583 | if (mb->vport != vport) | |
19584 | continue; | |
19585 | ||
19586 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
19587 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
19588 | continue; | |
19589 | ||
d439d286 JS |
19590 | list_del(&mb->list); |
19591 | list_add_tail(&mb->list, &mbox_cmd_list); | |
19592 | } | |
19593 | /* Clean up active mailbox command with the vport */ | |
19594 | mb = phba->sli.mbox_active; | |
19595 | if (mb && (mb->vport == vport)) { | |
19596 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) || | |
19597 | (mb->u.mb.mbxCommand == MBX_REG_VPI)) | |
19598 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
19599 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
3e1f0718 | 19600 | act_mbx_ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; |
d439d286 JS |
19601 | /* Put reference count for delayed processing */ |
19602 | act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp); | |
19603 | /* Unregister the RPI when mailbox complete */ | |
19604 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
19605 | } | |
19606 | } | |
63e801ce JS |
19607 | /* Cleanup any mailbox completions which are not yet processed */ |
19608 | do { | |
19609 | restart_loop = 0; | |
19610 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
19611 | /* | |
19612 | * If this mailox is already processed or it is | |
19613 | * for another vport ignore it. | |
19614 | */ | |
19615 | if ((mb->vport != vport) || | |
19616 | (mb->mbox_flag & LPFC_MBX_IMED_UNREG)) | |
19617 | continue; | |
19618 | ||
19619 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
19620 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
19621 | continue; | |
19622 | ||
19623 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
19624 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
3e1f0718 | 19625 | ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; |
63e801ce JS |
19626 | /* Unregister the RPI when mailbox complete */ |
19627 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
19628 | restart_loop = 1; | |
19629 | spin_unlock_irq(&phba->hbalock); | |
19630 | spin_lock(shost->host_lock); | |
19631 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
19632 | spin_unlock(shost->host_lock); | |
19633 | spin_lock_irq(&phba->hbalock); | |
19634 | break; | |
19635 | } | |
19636 | } | |
19637 | } while (restart_loop); | |
19638 | ||
d439d286 JS |
19639 | spin_unlock_irq(&phba->hbalock); |
19640 | ||
19641 | /* Release the cleaned-up mailbox commands */ | |
19642 | while (!list_empty(&mbox_cmd_list)) { | |
19643 | list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list); | |
695a814e | 19644 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
3e1f0718 | 19645 | mp = (struct lpfc_dmabuf *)(mb->ctx_buf); |
695a814e JS |
19646 | if (mp) { |
19647 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
19648 | kfree(mp); | |
19649 | } | |
3e1f0718 JS |
19650 | mb->ctx_buf = NULL; |
19651 | ndlp = (struct lpfc_nodelist *)mb->ctx_ndlp; | |
19652 | mb->ctx_ndlp = NULL; | |
78730cfe | 19653 | if (ndlp) { |
ec21b3b0 | 19654 | spin_lock(shost->host_lock); |
589a52d6 | 19655 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; |
ec21b3b0 | 19656 | spin_unlock(shost->host_lock); |
78730cfe | 19657 | lpfc_nlp_put(ndlp); |
78730cfe | 19658 | } |
695a814e | 19659 | } |
695a814e JS |
19660 | mempool_free(mb, phba->mbox_mem_pool); |
19661 | } | |
d439d286 JS |
19662 | |
19663 | /* Release the ndlp with the cleaned-up active mailbox command */ | |
19664 | if (act_mbx_ndlp) { | |
19665 | spin_lock(shost->host_lock); | |
19666 | act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
19667 | spin_unlock(shost->host_lock); | |
19668 | lpfc_nlp_put(act_mbx_ndlp); | |
695a814e | 19669 | } |
695a814e JS |
19670 | } |
19671 | ||
2a9bf3d0 JS |
19672 | /** |
19673 | * lpfc_drain_txq - Drain the txq | |
19674 | * @phba: Pointer to HBA context object. | |
19675 | * | |
19676 | * This function attempt to submit IOCBs on the txq | |
19677 | * to the adapter. For SLI4 adapters, the txq contains | |
19678 | * ELS IOCBs that have been deferred because the there | |
19679 | * are no SGLs. This congestion can occur with large | |
19680 | * vport counts during node discovery. | |
19681 | **/ | |
19682 | ||
19683 | uint32_t | |
19684 | lpfc_drain_txq(struct lpfc_hba *phba) | |
19685 | { | |
19686 | LIST_HEAD(completions); | |
895427bd | 19687 | struct lpfc_sli_ring *pring; |
2e706377 | 19688 | struct lpfc_iocbq *piocbq = NULL; |
2a9bf3d0 JS |
19689 | unsigned long iflags = 0; |
19690 | char *fail_msg = NULL; | |
19691 | struct lpfc_sglq *sglq; | |
205e8240 | 19692 | union lpfc_wqe128 wqe; |
a2fc4aef | 19693 | uint32_t txq_cnt = 0; |
dc19e3b4 | 19694 | struct lpfc_queue *wq; |
2a9bf3d0 | 19695 | |
dc19e3b4 JS |
19696 | if (phba->link_flag & LS_MDS_LOOPBACK) { |
19697 | /* MDS WQE are posted only to first WQ*/ | |
c00f62e6 | 19698 | wq = phba->sli4_hba.hdwq[0].io_wq; |
dc19e3b4 JS |
19699 | if (unlikely(!wq)) |
19700 | return 0; | |
19701 | pring = wq->pring; | |
19702 | } else { | |
19703 | wq = phba->sli4_hba.els_wq; | |
19704 | if (unlikely(!wq)) | |
19705 | return 0; | |
19706 | pring = lpfc_phba_elsring(phba); | |
19707 | } | |
19708 | ||
19709 | if (unlikely(!pring) || list_empty(&pring->txq)) | |
1234a6d5 | 19710 | return 0; |
895427bd | 19711 | |
398d81c9 | 19712 | spin_lock_irqsave(&pring->ring_lock, iflags); |
0e9bb8d7 JS |
19713 | list_for_each_entry(piocbq, &pring->txq, list) { |
19714 | txq_cnt++; | |
19715 | } | |
19716 | ||
19717 | if (txq_cnt > pring->txq_max) | |
19718 | pring->txq_max = txq_cnt; | |
2a9bf3d0 | 19719 | |
398d81c9 | 19720 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 19721 | |
0e9bb8d7 | 19722 | while (!list_empty(&pring->txq)) { |
398d81c9 | 19723 | spin_lock_irqsave(&pring->ring_lock, iflags); |
2a9bf3d0 | 19724 | |
19ca7609 | 19725 | piocbq = lpfc_sli_ringtx_get(phba, pring); |
a629852a | 19726 | if (!piocbq) { |
398d81c9 | 19727 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
a629852a JS |
19728 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
19729 | "2823 txq empty and txq_cnt is %d\n ", | |
0e9bb8d7 | 19730 | txq_cnt); |
a629852a JS |
19731 | break; |
19732 | } | |
895427bd | 19733 | sglq = __lpfc_sli_get_els_sglq(phba, piocbq); |
2a9bf3d0 | 19734 | if (!sglq) { |
19ca7609 | 19735 | __lpfc_sli_ringtx_put(phba, pring, piocbq); |
398d81c9 | 19736 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 19737 | break; |
2a9bf3d0 | 19738 | } |
0e9bb8d7 | 19739 | txq_cnt--; |
2a9bf3d0 JS |
19740 | |
19741 | /* The xri and iocb resources secured, | |
19742 | * attempt to issue request | |
19743 | */ | |
6d368e53 | 19744 | piocbq->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 JS |
19745 | piocbq->sli4_xritag = sglq->sli4_xritag; |
19746 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq)) | |
19747 | fail_msg = "to convert bpl to sgl"; | |
205e8240 | 19748 | else if (lpfc_sli4_iocb2wqe(phba, piocbq, &wqe)) |
2a9bf3d0 | 19749 | fail_msg = "to convert iocb to wqe"; |
dc19e3b4 | 19750 | else if (lpfc_sli4_wq_put(wq, &wqe)) |
2a9bf3d0 JS |
19751 | fail_msg = " - Wq is full"; |
19752 | else | |
19753 | lpfc_sli_ringtxcmpl_put(phba, pring, piocbq); | |
19754 | ||
19755 | if (fail_msg) { | |
19756 | /* Failed means we can't issue and need to cancel */ | |
19757 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
19758 | "2822 IOCB failed %s iotag 0x%x " | |
19759 | "xri 0x%x\n", | |
19760 | fail_msg, | |
19761 | piocbq->iotag, piocbq->sli4_xritag); | |
19762 | list_add_tail(&piocbq->list, &completions); | |
19763 | } | |
398d81c9 | 19764 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 JS |
19765 | } |
19766 | ||
2a9bf3d0 JS |
19767 | /* Cancel all the IOCBs that cannot be issued */ |
19768 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
19769 | IOERR_SLI_ABORTED); | |
19770 | ||
0e9bb8d7 | 19771 | return txq_cnt; |
2a9bf3d0 | 19772 | } |
895427bd JS |
19773 | |
19774 | /** | |
19775 | * lpfc_wqe_bpl2sgl - Convert the bpl/bde to a sgl. | |
19776 | * @phba: Pointer to HBA context object. | |
19777 | * @pwqe: Pointer to command WQE. | |
19778 | * @sglq: Pointer to the scatter gather queue object. | |
19779 | * | |
19780 | * This routine converts the bpl or bde that is in the WQE | |
19781 | * to a sgl list for the sli4 hardware. The physical address | |
19782 | * of the bpl/bde is converted back to a virtual address. | |
19783 | * If the WQE contains a BPL then the list of BDE's is | |
19784 | * converted to sli4_sge's. If the WQE contains a single | |
19785 | * BDE then it is converted to a single sli_sge. | |
19786 | * The WQE is still in cpu endianness so the contents of | |
19787 | * the bpl can be used without byte swapping. | |
19788 | * | |
19789 | * Returns valid XRI = Success, NO_XRI = Failure. | |
19790 | */ | |
19791 | static uint16_t | |
19792 | lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeq, | |
19793 | struct lpfc_sglq *sglq) | |
19794 | { | |
19795 | uint16_t xritag = NO_XRI; | |
19796 | struct ulp_bde64 *bpl = NULL; | |
19797 | struct ulp_bde64 bde; | |
19798 | struct sli4_sge *sgl = NULL; | |
19799 | struct lpfc_dmabuf *dmabuf; | |
205e8240 | 19800 | union lpfc_wqe128 *wqe; |
895427bd JS |
19801 | int numBdes = 0; |
19802 | int i = 0; | |
19803 | uint32_t offset = 0; /* accumulated offset in the sg request list */ | |
19804 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
19805 | uint32_t cmd; | |
19806 | ||
19807 | if (!pwqeq || !sglq) | |
19808 | return xritag; | |
19809 | ||
19810 | sgl = (struct sli4_sge *)sglq->sgl; | |
19811 | wqe = &pwqeq->wqe; | |
19812 | pwqeq->iocb.ulpIoTag = pwqeq->iotag; | |
19813 | ||
19814 | cmd = bf_get(wqe_cmnd, &wqe->generic.wqe_com); | |
19815 | if (cmd == CMD_XMIT_BLS_RSP64_WQE) | |
19816 | return sglq->sli4_xritag; | |
19817 | numBdes = pwqeq->rsvd2; | |
19818 | if (numBdes) { | |
19819 | /* The addrHigh and addrLow fields within the WQE | |
19820 | * have not been byteswapped yet so there is no | |
19821 | * need to swap them back. | |
19822 | */ | |
19823 | if (pwqeq->context3) | |
19824 | dmabuf = (struct lpfc_dmabuf *)pwqeq->context3; | |
19825 | else | |
19826 | return xritag; | |
19827 | ||
19828 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
19829 | if (!bpl) | |
19830 | return xritag; | |
19831 | ||
19832 | for (i = 0; i < numBdes; i++) { | |
19833 | /* Should already be byte swapped. */ | |
19834 | sgl->addr_hi = bpl->addrHigh; | |
19835 | sgl->addr_lo = bpl->addrLow; | |
19836 | ||
19837 | sgl->word2 = le32_to_cpu(sgl->word2); | |
19838 | if ((i+1) == numBdes) | |
19839 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
19840 | else | |
19841 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
19842 | /* swap the size field back to the cpu so we | |
19843 | * can assign it to the sgl. | |
19844 | */ | |
19845 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
19846 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
19847 | /* The offsets in the sgl need to be accumulated | |
19848 | * separately for the request and reply lists. | |
19849 | * The request is always first, the reply follows. | |
19850 | */ | |
19851 | switch (cmd) { | |
19852 | case CMD_GEN_REQUEST64_WQE: | |
19853 | /* add up the reply sg entries */ | |
19854 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
19855 | inbound++; | |
19856 | /* first inbound? reset the offset */ | |
19857 | if (inbound == 1) | |
19858 | offset = 0; | |
19859 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
19860 | bf_set(lpfc_sli4_sge_type, sgl, | |
19861 | LPFC_SGE_TYPE_DATA); | |
19862 | offset += bde.tus.f.bdeSize; | |
19863 | break; | |
19864 | case CMD_FCP_TRSP64_WQE: | |
19865 | bf_set(lpfc_sli4_sge_offset, sgl, 0); | |
19866 | bf_set(lpfc_sli4_sge_type, sgl, | |
19867 | LPFC_SGE_TYPE_DATA); | |
19868 | break; | |
19869 | case CMD_FCP_TSEND64_WQE: | |
19870 | case CMD_FCP_TRECEIVE64_WQE: | |
19871 | bf_set(lpfc_sli4_sge_type, sgl, | |
19872 | bpl->tus.f.bdeFlags); | |
19873 | if (i < 3) | |
19874 | offset = 0; | |
19875 | else | |
19876 | offset += bde.tus.f.bdeSize; | |
19877 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
19878 | break; | |
19879 | } | |
19880 | sgl->word2 = cpu_to_le32(sgl->word2); | |
19881 | bpl++; | |
19882 | sgl++; | |
19883 | } | |
19884 | } else if (wqe->gen_req.bde.tus.f.bdeFlags == BUFF_TYPE_BDE_64) { | |
19885 | /* The addrHigh and addrLow fields of the BDE have not | |
19886 | * been byteswapped yet so they need to be swapped | |
19887 | * before putting them in the sgl. | |
19888 | */ | |
19889 | sgl->addr_hi = cpu_to_le32(wqe->gen_req.bde.addrHigh); | |
19890 | sgl->addr_lo = cpu_to_le32(wqe->gen_req.bde.addrLow); | |
19891 | sgl->word2 = le32_to_cpu(sgl->word2); | |
19892 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
19893 | sgl->word2 = cpu_to_le32(sgl->word2); | |
19894 | sgl->sge_len = cpu_to_le32(wqe->gen_req.bde.tus.f.bdeSize); | |
19895 | } | |
19896 | return sglq->sli4_xritag; | |
19897 | } | |
19898 | ||
19899 | /** | |
19900 | * lpfc_sli4_issue_wqe - Issue an SLI4 Work Queue Entry (WQE) | |
19901 | * @phba: Pointer to HBA context object. | |
19902 | * @ring_number: Base sli ring number | |
19903 | * @pwqe: Pointer to command WQE. | |
19904 | **/ | |
19905 | int | |
1fbf9742 | 19906 | lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, |
895427bd JS |
19907 | struct lpfc_iocbq *pwqe) |
19908 | { | |
205e8240 | 19909 | union lpfc_wqe128 *wqe = &pwqe->wqe; |
f358dd0c | 19910 | struct lpfc_nvmet_rcv_ctx *ctxp; |
895427bd JS |
19911 | struct lpfc_queue *wq; |
19912 | struct lpfc_sglq *sglq; | |
19913 | struct lpfc_sli_ring *pring; | |
19914 | unsigned long iflags; | |
cd22d605 | 19915 | uint32_t ret = 0; |
895427bd JS |
19916 | |
19917 | /* NVME_LS and NVME_LS ABTS requests. */ | |
19918 | if (pwqe->iocb_flag & LPFC_IO_NVME_LS) { | |
19919 | pring = phba->sli4_hba.nvmels_wq->pring; | |
6a828b0f JS |
19920 | lpfc_qp_spin_lock_irqsave(&pring->ring_lock, iflags, |
19921 | qp, wq_access); | |
895427bd JS |
19922 | sglq = __lpfc_sli_get_els_sglq(phba, pwqe); |
19923 | if (!sglq) { | |
19924 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19925 | return WQE_BUSY; | |
19926 | } | |
19927 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
19928 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
19929 | if (lpfc_wqe_bpl2sgl(phba, pwqe, sglq) == NO_XRI) { | |
19930 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19931 | return WQE_ERROR; | |
19932 | } | |
19933 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
19934 | pwqe->sli4_xritag); | |
cd22d605 DK |
19935 | ret = lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe); |
19936 | if (ret) { | |
895427bd | 19937 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19938 | return ret; |
895427bd | 19939 | } |
cd22d605 | 19940 | |
895427bd JS |
19941 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); |
19942 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
19943 | |
19944 | lpfc_sli4_poll_eq(qp->hba_eq, LPFC_POLL_FASTPATH); | |
895427bd JS |
19945 | return 0; |
19946 | } | |
19947 | ||
19948 | /* NVME_FCREQ and NVME_ABTS requests */ | |
19949 | if (pwqe->iocb_flag & LPFC_IO_NVME) { | |
19950 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
c00f62e6 | 19951 | wq = qp->io_wq; |
1fbf9742 | 19952 | pring = wq->pring; |
895427bd | 19953 | |
c00f62e6 | 19954 | bf_set(wqe_cqid, &wqe->generic.wqe_com, qp->io_cq_map); |
895427bd | 19955 | |
6a828b0f JS |
19956 | lpfc_qp_spin_lock_irqsave(&pring->ring_lock, iflags, |
19957 | qp, wq_access); | |
cd22d605 DK |
19958 | ret = lpfc_sli4_wq_put(wq, wqe); |
19959 | if (ret) { | |
895427bd | 19960 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19961 | return ret; |
895427bd JS |
19962 | } |
19963 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
19964 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
19965 | |
19966 | lpfc_sli4_poll_eq(qp->hba_eq, LPFC_POLL_FASTPATH); | |
895427bd JS |
19967 | return 0; |
19968 | } | |
19969 | ||
f358dd0c JS |
19970 | /* NVMET requests */ |
19971 | if (pwqe->iocb_flag & LPFC_IO_NVMET) { | |
19972 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
c00f62e6 | 19973 | wq = qp->io_wq; |
1fbf9742 | 19974 | pring = wq->pring; |
f358dd0c | 19975 | |
f358dd0c | 19976 | ctxp = pwqe->context2; |
6c621a22 | 19977 | sglq = ctxp->ctxbuf->sglq; |
f358dd0c JS |
19978 | if (pwqe->sli4_xritag == NO_XRI) { |
19979 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
19980 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
19981 | } | |
19982 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
19983 | pwqe->sli4_xritag); | |
c00f62e6 | 19984 | bf_set(wqe_cqid, &wqe->generic.wqe_com, qp->io_cq_map); |
1fbf9742 | 19985 | |
6a828b0f JS |
19986 | lpfc_qp_spin_lock_irqsave(&pring->ring_lock, iflags, |
19987 | qp, wq_access); | |
cd22d605 DK |
19988 | ret = lpfc_sli4_wq_put(wq, wqe); |
19989 | if (ret) { | |
f358dd0c | 19990 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19991 | return ret; |
f358dd0c JS |
19992 | } |
19993 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
19994 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
93a4d6f4 JS |
19995 | |
19996 | lpfc_sli4_poll_eq(qp->hba_eq, LPFC_POLL_FASTPATH); | |
f358dd0c JS |
19997 | return 0; |
19998 | } | |
895427bd JS |
19999 | return WQE_ERROR; |
20000 | } | |
c490850a JS |
20001 | |
20002 | #ifdef LPFC_MXP_STAT | |
20003 | /** | |
20004 | * lpfc_snapshot_mxp - Snapshot pbl, pvt and busy count | |
20005 | * @phba: pointer to lpfc hba data structure. | |
20006 | * @hwqid: belong to which HWQ. | |
20007 | * | |
20008 | * The purpose of this routine is to take a snapshot of pbl, pvt and busy count | |
20009 | * 15 seconds after a test case is running. | |
20010 | * | |
20011 | * The user should call lpfc_debugfs_multixripools_write before running a test | |
20012 | * case to clear stat_snapshot_taken. Then the user starts a test case. During | |
20013 | * test case is running, stat_snapshot_taken is incremented by 1 every time when | |
20014 | * this routine is called from heartbeat timer. When stat_snapshot_taken is | |
20015 | * equal to LPFC_MXP_SNAPSHOT_TAKEN, a snapshot is taken. | |
20016 | **/ | |
20017 | void lpfc_snapshot_mxp(struct lpfc_hba *phba, u32 hwqid) | |
20018 | { | |
20019 | struct lpfc_sli4_hdw_queue *qp; | |
20020 | struct lpfc_multixri_pool *multixri_pool; | |
20021 | struct lpfc_pvt_pool *pvt_pool; | |
20022 | struct lpfc_pbl_pool *pbl_pool; | |
20023 | u32 txcmplq_cnt; | |
20024 | ||
20025 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20026 | multixri_pool = qp->p_multixri_pool; | |
20027 | if (!multixri_pool) | |
20028 | return; | |
20029 | ||
20030 | if (multixri_pool->stat_snapshot_taken == LPFC_MXP_SNAPSHOT_TAKEN) { | |
20031 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
20032 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
c00f62e6 | 20033 | txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt; |
c490850a JS |
20034 | |
20035 | multixri_pool->stat_pbl_count = pbl_pool->count; | |
20036 | multixri_pool->stat_pvt_count = pvt_pool->count; | |
20037 | multixri_pool->stat_busy_count = txcmplq_cnt; | |
20038 | } | |
20039 | ||
20040 | multixri_pool->stat_snapshot_taken++; | |
20041 | } | |
20042 | #endif | |
20043 | ||
20044 | /** | |
20045 | * lpfc_adjust_pvt_pool_count - Adjust private pool count | |
20046 | * @phba: pointer to lpfc hba data structure. | |
20047 | * @hwqid: belong to which HWQ. | |
20048 | * | |
20049 | * This routine moves some XRIs from private to public pool when private pool | |
20050 | * is not busy. | |
20051 | **/ | |
20052 | void lpfc_adjust_pvt_pool_count(struct lpfc_hba *phba, u32 hwqid) | |
20053 | { | |
20054 | struct lpfc_multixri_pool *multixri_pool; | |
20055 | u32 io_req_count; | |
20056 | u32 prev_io_req_count; | |
20057 | ||
20058 | multixri_pool = phba->sli4_hba.hdwq[hwqid].p_multixri_pool; | |
20059 | if (!multixri_pool) | |
20060 | return; | |
20061 | io_req_count = multixri_pool->io_req_count; | |
20062 | prev_io_req_count = multixri_pool->prev_io_req_count; | |
20063 | ||
20064 | if (prev_io_req_count != io_req_count) { | |
20065 | /* Private pool is busy */ | |
20066 | multixri_pool->prev_io_req_count = io_req_count; | |
20067 | } else { | |
20068 | /* Private pool is not busy. | |
20069 | * Move XRIs from private to public pool. | |
20070 | */ | |
20071 | lpfc_move_xri_pvt_to_pbl(phba, hwqid); | |
20072 | } | |
20073 | } | |
20074 | ||
20075 | /** | |
20076 | * lpfc_adjust_high_watermark - Adjust high watermark | |
20077 | * @phba: pointer to lpfc hba data structure. | |
20078 | * @hwqid: belong to which HWQ. | |
20079 | * | |
20080 | * This routine sets high watermark as number of outstanding XRIs, | |
20081 | * but make sure the new value is between xri_limit/2 and xri_limit. | |
20082 | **/ | |
20083 | void lpfc_adjust_high_watermark(struct lpfc_hba *phba, u32 hwqid) | |
20084 | { | |
20085 | u32 new_watermark; | |
20086 | u32 watermark_max; | |
20087 | u32 watermark_min; | |
20088 | u32 xri_limit; | |
20089 | u32 txcmplq_cnt; | |
20090 | u32 abts_io_bufs; | |
20091 | struct lpfc_multixri_pool *multixri_pool; | |
20092 | struct lpfc_sli4_hdw_queue *qp; | |
20093 | ||
20094 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20095 | multixri_pool = qp->p_multixri_pool; | |
20096 | if (!multixri_pool) | |
20097 | return; | |
20098 | xri_limit = multixri_pool->xri_limit; | |
20099 | ||
20100 | watermark_max = xri_limit; | |
20101 | watermark_min = xri_limit / 2; | |
20102 | ||
c00f62e6 | 20103 | txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt; |
c490850a | 20104 | abts_io_bufs = qp->abts_scsi_io_bufs; |
c00f62e6 | 20105 | abts_io_bufs += qp->abts_nvme_io_bufs; |
c490850a JS |
20106 | |
20107 | new_watermark = txcmplq_cnt + abts_io_bufs; | |
20108 | new_watermark = min(watermark_max, new_watermark); | |
20109 | new_watermark = max(watermark_min, new_watermark); | |
20110 | multixri_pool->pvt_pool.high_watermark = new_watermark; | |
20111 | ||
20112 | #ifdef LPFC_MXP_STAT | |
20113 | multixri_pool->stat_max_hwm = max(multixri_pool->stat_max_hwm, | |
20114 | new_watermark); | |
20115 | #endif | |
20116 | } | |
20117 | ||
20118 | /** | |
20119 | * lpfc_move_xri_pvt_to_pbl - Move some XRIs from private to public pool | |
20120 | * @phba: pointer to lpfc hba data structure. | |
20121 | * @hwqid: belong to which HWQ. | |
20122 | * | |
20123 | * This routine is called from hearbeat timer when pvt_pool is idle. | |
20124 | * All free XRIs are moved from private to public pool on hwqid with 2 steps. | |
20125 | * The first step moves (all - low_watermark) amount of XRIs. | |
20126 | * The second step moves the rest of XRIs. | |
20127 | **/ | |
20128 | void lpfc_move_xri_pvt_to_pbl(struct lpfc_hba *phba, u32 hwqid) | |
20129 | { | |
20130 | struct lpfc_pbl_pool *pbl_pool; | |
20131 | struct lpfc_pvt_pool *pvt_pool; | |
6a828b0f | 20132 | struct lpfc_sli4_hdw_queue *qp; |
c490850a JS |
20133 | struct lpfc_io_buf *lpfc_ncmd; |
20134 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20135 | unsigned long iflag; | |
20136 | struct list_head tmp_list; | |
20137 | u32 tmp_count; | |
20138 | ||
6a828b0f JS |
20139 | qp = &phba->sli4_hba.hdwq[hwqid]; |
20140 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
20141 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
c490850a JS |
20142 | tmp_count = 0; |
20143 | ||
6a828b0f JS |
20144 | lpfc_qp_spin_lock_irqsave(&pbl_pool->lock, iflag, qp, mv_to_pub_pool); |
20145 | lpfc_qp_spin_lock(&pvt_pool->lock, qp, mv_from_pvt_pool); | |
c490850a JS |
20146 | |
20147 | if (pvt_pool->count > pvt_pool->low_watermark) { | |
20148 | /* Step 1: move (all - low_watermark) from pvt_pool | |
20149 | * to pbl_pool | |
20150 | */ | |
20151 | ||
20152 | /* Move low watermark of bufs from pvt_pool to tmp_list */ | |
20153 | INIT_LIST_HEAD(&tmp_list); | |
20154 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
20155 | &pvt_pool->list, list) { | |
20156 | list_move_tail(&lpfc_ncmd->list, &tmp_list); | |
20157 | tmp_count++; | |
20158 | if (tmp_count >= pvt_pool->low_watermark) | |
20159 | break; | |
20160 | } | |
20161 | ||
20162 | /* Move all bufs from pvt_pool to pbl_pool */ | |
20163 | list_splice_init(&pvt_pool->list, &pbl_pool->list); | |
20164 | ||
20165 | /* Move all bufs from tmp_list to pvt_pool */ | |
20166 | list_splice(&tmp_list, &pvt_pool->list); | |
20167 | ||
20168 | pbl_pool->count += (pvt_pool->count - tmp_count); | |
20169 | pvt_pool->count = tmp_count; | |
20170 | } else { | |
20171 | /* Step 2: move the rest from pvt_pool to pbl_pool */ | |
20172 | list_splice_init(&pvt_pool->list, &pbl_pool->list); | |
20173 | pbl_pool->count += pvt_pool->count; | |
20174 | pvt_pool->count = 0; | |
20175 | } | |
20176 | ||
20177 | spin_unlock(&pvt_pool->lock); | |
20178 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20179 | } | |
20180 | ||
20181 | /** | |
20182 | * _lpfc_move_xri_pbl_to_pvt - Move some XRIs from public to private pool | |
20183 | * @phba: pointer to lpfc hba data structure | |
20184 | * @pbl_pool: specified public free XRI pool | |
20185 | * @pvt_pool: specified private free XRI pool | |
20186 | * @count: number of XRIs to move | |
20187 | * | |
20188 | * This routine tries to move some free common bufs from the specified pbl_pool | |
20189 | * to the specified pvt_pool. It might move less than count XRIs if there's not | |
20190 | * enough in public pool. | |
20191 | * | |
20192 | * Return: | |
20193 | * true - if XRIs are successfully moved from the specified pbl_pool to the | |
20194 | * specified pvt_pool | |
20195 | * false - if the specified pbl_pool is empty or locked by someone else | |
20196 | **/ | |
20197 | static bool | |
6a828b0f JS |
20198 | _lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp, |
20199 | struct lpfc_pbl_pool *pbl_pool, | |
c490850a JS |
20200 | struct lpfc_pvt_pool *pvt_pool, u32 count) |
20201 | { | |
20202 | struct lpfc_io_buf *lpfc_ncmd; | |
20203 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20204 | unsigned long iflag; | |
20205 | int ret; | |
20206 | ||
20207 | ret = spin_trylock_irqsave(&pbl_pool->lock, iflag); | |
20208 | if (ret) { | |
20209 | if (pbl_pool->count) { | |
20210 | /* Move a batch of XRIs from public to private pool */ | |
6a828b0f | 20211 | lpfc_qp_spin_lock(&pvt_pool->lock, qp, mv_to_pvt_pool); |
c490850a JS |
20212 | list_for_each_entry_safe(lpfc_ncmd, |
20213 | lpfc_ncmd_next, | |
20214 | &pbl_pool->list, | |
20215 | list) { | |
20216 | list_move_tail(&lpfc_ncmd->list, | |
20217 | &pvt_pool->list); | |
20218 | pvt_pool->count++; | |
20219 | pbl_pool->count--; | |
20220 | count--; | |
20221 | if (count == 0) | |
20222 | break; | |
20223 | } | |
20224 | ||
20225 | spin_unlock(&pvt_pool->lock); | |
20226 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20227 | return true; | |
20228 | } | |
20229 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20230 | } | |
20231 | ||
20232 | return false; | |
20233 | } | |
20234 | ||
20235 | /** | |
20236 | * lpfc_move_xri_pbl_to_pvt - Move some XRIs from public to private pool | |
20237 | * @phba: pointer to lpfc hba data structure. | |
20238 | * @hwqid: belong to which HWQ. | |
20239 | * @count: number of XRIs to move | |
20240 | * | |
20241 | * This routine tries to find some free common bufs in one of public pools with | |
20242 | * Round Robin method. The search always starts from local hwqid, then the next | |
20243 | * HWQ which was found last time (rrb_next_hwqid). Once a public pool is found, | |
20244 | * a batch of free common bufs are moved to private pool on hwqid. | |
20245 | * It might move less than count XRIs if there's not enough in public pool. | |
20246 | **/ | |
20247 | void lpfc_move_xri_pbl_to_pvt(struct lpfc_hba *phba, u32 hwqid, u32 count) | |
20248 | { | |
20249 | struct lpfc_multixri_pool *multixri_pool; | |
20250 | struct lpfc_multixri_pool *next_multixri_pool; | |
20251 | struct lpfc_pvt_pool *pvt_pool; | |
20252 | struct lpfc_pbl_pool *pbl_pool; | |
6a828b0f | 20253 | struct lpfc_sli4_hdw_queue *qp; |
c490850a JS |
20254 | u32 next_hwqid; |
20255 | u32 hwq_count; | |
20256 | int ret; | |
20257 | ||
6a828b0f JS |
20258 | qp = &phba->sli4_hba.hdwq[hwqid]; |
20259 | multixri_pool = qp->p_multixri_pool; | |
c490850a JS |
20260 | pvt_pool = &multixri_pool->pvt_pool; |
20261 | pbl_pool = &multixri_pool->pbl_pool; | |
20262 | ||
20263 | /* Check if local pbl_pool is available */ | |
6a828b0f | 20264 | ret = _lpfc_move_xri_pbl_to_pvt(phba, qp, pbl_pool, pvt_pool, count); |
c490850a JS |
20265 | if (ret) { |
20266 | #ifdef LPFC_MXP_STAT | |
20267 | multixri_pool->local_pbl_hit_count++; | |
20268 | #endif | |
20269 | return; | |
20270 | } | |
20271 | ||
20272 | hwq_count = phba->cfg_hdw_queue; | |
20273 | ||
20274 | /* Get the next hwqid which was found last time */ | |
20275 | next_hwqid = multixri_pool->rrb_next_hwqid; | |
20276 | ||
20277 | do { | |
20278 | /* Go to next hwq */ | |
20279 | next_hwqid = (next_hwqid + 1) % hwq_count; | |
20280 | ||
20281 | next_multixri_pool = | |
20282 | phba->sli4_hba.hdwq[next_hwqid].p_multixri_pool; | |
20283 | pbl_pool = &next_multixri_pool->pbl_pool; | |
20284 | ||
20285 | /* Check if the public free xri pool is available */ | |
20286 | ret = _lpfc_move_xri_pbl_to_pvt( | |
6a828b0f | 20287 | phba, qp, pbl_pool, pvt_pool, count); |
c490850a JS |
20288 | |
20289 | /* Exit while-loop if success or all hwqid are checked */ | |
20290 | } while (!ret && next_hwqid != multixri_pool->rrb_next_hwqid); | |
20291 | ||
20292 | /* Starting point for the next time */ | |
20293 | multixri_pool->rrb_next_hwqid = next_hwqid; | |
20294 | ||
20295 | if (!ret) { | |
20296 | /* stats: all public pools are empty*/ | |
20297 | multixri_pool->pbl_empty_count++; | |
20298 | } | |
20299 | ||
20300 | #ifdef LPFC_MXP_STAT | |
20301 | if (ret) { | |
20302 | if (next_hwqid == hwqid) | |
20303 | multixri_pool->local_pbl_hit_count++; | |
20304 | else | |
20305 | multixri_pool->other_pbl_hit_count++; | |
20306 | } | |
20307 | #endif | |
20308 | } | |
20309 | ||
20310 | /** | |
20311 | * lpfc_keep_pvt_pool_above_lowwm - Keep pvt_pool above low watermark | |
20312 | * @phba: pointer to lpfc hba data structure. | |
20313 | * @qp: belong to which HWQ. | |
20314 | * | |
20315 | * This routine get a batch of XRIs from pbl_pool if pvt_pool is less than | |
20316 | * low watermark. | |
20317 | **/ | |
20318 | void lpfc_keep_pvt_pool_above_lowwm(struct lpfc_hba *phba, u32 hwqid) | |
20319 | { | |
20320 | struct lpfc_multixri_pool *multixri_pool; | |
20321 | struct lpfc_pvt_pool *pvt_pool; | |
20322 | ||
20323 | multixri_pool = phba->sli4_hba.hdwq[hwqid].p_multixri_pool; | |
20324 | pvt_pool = &multixri_pool->pvt_pool; | |
20325 | ||
20326 | if (pvt_pool->count < pvt_pool->low_watermark) | |
20327 | lpfc_move_xri_pbl_to_pvt(phba, hwqid, XRI_BATCH); | |
20328 | } | |
20329 | ||
20330 | /** | |
20331 | * lpfc_release_io_buf - Return one IO buf back to free pool | |
20332 | * @phba: pointer to lpfc hba data structure. | |
20333 | * @lpfc_ncmd: IO buf to be returned. | |
20334 | * @qp: belong to which HWQ. | |
20335 | * | |
20336 | * This routine returns one IO buf back to free pool. If this is an urgent IO, | |
20337 | * the IO buf is returned to expedite pool. If cfg_xri_rebalancing==1, | |
20338 | * the IO buf is returned to pbl_pool or pvt_pool based on watermark and | |
20339 | * xri_limit. If cfg_xri_rebalancing==0, the IO buf is returned to | |
20340 | * lpfc_io_buf_list_put. | |
20341 | **/ | |
20342 | void lpfc_release_io_buf(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_ncmd, | |
20343 | struct lpfc_sli4_hdw_queue *qp) | |
20344 | { | |
20345 | unsigned long iflag; | |
20346 | struct lpfc_pbl_pool *pbl_pool; | |
20347 | struct lpfc_pvt_pool *pvt_pool; | |
20348 | struct lpfc_epd_pool *epd_pool; | |
20349 | u32 txcmplq_cnt; | |
20350 | u32 xri_owned; | |
20351 | u32 xri_limit; | |
20352 | u32 abts_io_bufs; | |
20353 | ||
20354 | /* MUST zero fields if buffer is reused by another protocol */ | |
20355 | lpfc_ncmd->nvmeCmd = NULL; | |
20356 | lpfc_ncmd->cur_iocbq.wqe_cmpl = NULL; | |
20357 | lpfc_ncmd->cur_iocbq.iocb_cmpl = NULL; | |
20358 | ||
35a635af JS |
20359 | if (phba->cfg_xpsgl && !phba->nvmet_support && |
20360 | !list_empty(&lpfc_ncmd->dma_sgl_xtra_list)) | |
20361 | lpfc_put_sgl_per_hdwq(phba, lpfc_ncmd); | |
20362 | ||
20363 | if (!list_empty(&lpfc_ncmd->dma_cmd_rsp_list)) | |
20364 | lpfc_put_cmd_rsp_buf_per_hdwq(phba, lpfc_ncmd); | |
20365 | ||
c490850a JS |
20366 | if (phba->cfg_xri_rebalancing) { |
20367 | if (lpfc_ncmd->expedite) { | |
20368 | /* Return to expedite pool */ | |
20369 | epd_pool = &phba->epd_pool; | |
20370 | spin_lock_irqsave(&epd_pool->lock, iflag); | |
20371 | list_add_tail(&lpfc_ncmd->list, &epd_pool->list); | |
20372 | epd_pool->count++; | |
20373 | spin_unlock_irqrestore(&epd_pool->lock, iflag); | |
20374 | return; | |
20375 | } | |
20376 | ||
20377 | /* Avoid invalid access if an IO sneaks in and is being rejected | |
20378 | * just _after_ xri pools are destroyed in lpfc_offline. | |
20379 | * Nothing much can be done at this point. | |
20380 | */ | |
20381 | if (!qp->p_multixri_pool) | |
20382 | return; | |
20383 | ||
20384 | pbl_pool = &qp->p_multixri_pool->pbl_pool; | |
20385 | pvt_pool = &qp->p_multixri_pool->pvt_pool; | |
20386 | ||
c00f62e6 | 20387 | txcmplq_cnt = qp->io_wq->pring->txcmplq_cnt; |
c490850a | 20388 | abts_io_bufs = qp->abts_scsi_io_bufs; |
c00f62e6 | 20389 | abts_io_bufs += qp->abts_nvme_io_bufs; |
c490850a JS |
20390 | |
20391 | xri_owned = pvt_pool->count + txcmplq_cnt + abts_io_bufs; | |
20392 | xri_limit = qp->p_multixri_pool->xri_limit; | |
20393 | ||
20394 | #ifdef LPFC_MXP_STAT | |
20395 | if (xri_owned <= xri_limit) | |
20396 | qp->p_multixri_pool->below_limit_count++; | |
20397 | else | |
20398 | qp->p_multixri_pool->above_limit_count++; | |
20399 | #endif | |
20400 | ||
20401 | /* XRI goes to either public or private free xri pool | |
20402 | * based on watermark and xri_limit | |
20403 | */ | |
20404 | if ((pvt_pool->count < pvt_pool->low_watermark) || | |
20405 | (xri_owned < xri_limit && | |
20406 | pvt_pool->count < pvt_pool->high_watermark)) { | |
6a828b0f JS |
20407 | lpfc_qp_spin_lock_irqsave(&pvt_pool->lock, iflag, |
20408 | qp, free_pvt_pool); | |
c490850a JS |
20409 | list_add_tail(&lpfc_ncmd->list, |
20410 | &pvt_pool->list); | |
20411 | pvt_pool->count++; | |
20412 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20413 | } else { | |
6a828b0f JS |
20414 | lpfc_qp_spin_lock_irqsave(&pbl_pool->lock, iflag, |
20415 | qp, free_pub_pool); | |
c490850a JS |
20416 | list_add_tail(&lpfc_ncmd->list, |
20417 | &pbl_pool->list); | |
20418 | pbl_pool->count++; | |
20419 | spin_unlock_irqrestore(&pbl_pool->lock, iflag); | |
20420 | } | |
20421 | } else { | |
6a828b0f JS |
20422 | lpfc_qp_spin_lock_irqsave(&qp->io_buf_list_put_lock, iflag, |
20423 | qp, free_xri); | |
c490850a JS |
20424 | list_add_tail(&lpfc_ncmd->list, |
20425 | &qp->lpfc_io_buf_list_put); | |
20426 | qp->put_io_bufs++; | |
20427 | spin_unlock_irqrestore(&qp->io_buf_list_put_lock, | |
20428 | iflag); | |
20429 | } | |
20430 | } | |
20431 | ||
20432 | /** | |
20433 | * lpfc_get_io_buf_from_private_pool - Get one free IO buf from private pool | |
20434 | * @phba: pointer to lpfc hba data structure. | |
20435 | * @pvt_pool: pointer to private pool data structure. | |
20436 | * @ndlp: pointer to lpfc nodelist data structure. | |
20437 | * | |
20438 | * This routine tries to get one free IO buf from private pool. | |
20439 | * | |
20440 | * Return: | |
20441 | * pointer to one free IO buf - if private pool is not empty | |
20442 | * NULL - if private pool is empty | |
20443 | **/ | |
20444 | static struct lpfc_io_buf * | |
20445 | lpfc_get_io_buf_from_private_pool(struct lpfc_hba *phba, | |
6a828b0f | 20446 | struct lpfc_sli4_hdw_queue *qp, |
c490850a JS |
20447 | struct lpfc_pvt_pool *pvt_pool, |
20448 | struct lpfc_nodelist *ndlp) | |
20449 | { | |
20450 | struct lpfc_io_buf *lpfc_ncmd; | |
20451 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20452 | unsigned long iflag; | |
20453 | ||
6a828b0f | 20454 | lpfc_qp_spin_lock_irqsave(&pvt_pool->lock, iflag, qp, alloc_pvt_pool); |
c490850a JS |
20455 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, |
20456 | &pvt_pool->list, list) { | |
20457 | if (lpfc_test_rrq_active( | |
20458 | phba, ndlp, lpfc_ncmd->cur_iocbq.sli4_lxritag)) | |
20459 | continue; | |
20460 | list_del(&lpfc_ncmd->list); | |
20461 | pvt_pool->count--; | |
20462 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20463 | return lpfc_ncmd; | |
20464 | } | |
20465 | spin_unlock_irqrestore(&pvt_pool->lock, iflag); | |
20466 | ||
20467 | return NULL; | |
20468 | } | |
20469 | ||
20470 | /** | |
20471 | * lpfc_get_io_buf_from_expedite_pool - Get one free IO buf from expedite pool | |
20472 | * @phba: pointer to lpfc hba data structure. | |
20473 | * | |
20474 | * This routine tries to get one free IO buf from expedite pool. | |
20475 | * | |
20476 | * Return: | |
20477 | * pointer to one free IO buf - if expedite pool is not empty | |
20478 | * NULL - if expedite pool is empty | |
20479 | **/ | |
20480 | static struct lpfc_io_buf * | |
20481 | lpfc_get_io_buf_from_expedite_pool(struct lpfc_hba *phba) | |
20482 | { | |
20483 | struct lpfc_io_buf *lpfc_ncmd; | |
20484 | struct lpfc_io_buf *lpfc_ncmd_next; | |
20485 | unsigned long iflag; | |
20486 | struct lpfc_epd_pool *epd_pool; | |
20487 | ||
20488 | epd_pool = &phba->epd_pool; | |
20489 | lpfc_ncmd = NULL; | |
20490 | ||
20491 | spin_lock_irqsave(&epd_pool->lock, iflag); | |
20492 | if (epd_pool->count > 0) { | |
20493 | list_for_each_entry_safe(lpfc_ncmd, lpfc_ncmd_next, | |
20494 | &epd_pool->list, list) { | |
20495 | list_del(&lpfc_ncmd->list); | |
20496 | epd_pool->count--; | |
20497 | break; | |
20498 | } | |
20499 | } | |
20500 | spin_unlock_irqrestore(&epd_pool->lock, iflag); | |
20501 | ||
20502 | return lpfc_ncmd; | |
20503 | } | |
20504 | ||
20505 | /** | |
20506 | * lpfc_get_io_buf_from_multixri_pools - Get one free IO bufs | |
20507 | * @phba: pointer to lpfc hba data structure. | |
20508 | * @ndlp: pointer to lpfc nodelist data structure. | |
20509 | * @hwqid: belong to which HWQ | |
20510 | * @expedite: 1 means this request is urgent. | |
20511 | * | |
20512 | * This routine will do the following actions and then return a pointer to | |
20513 | * one free IO buf. | |
20514 | * | |
20515 | * 1. If private free xri count is empty, move some XRIs from public to | |
20516 | * private pool. | |
20517 | * 2. Get one XRI from private free xri pool. | |
20518 | * 3. If we fail to get one from pvt_pool and this is an expedite request, | |
20519 | * get one free xri from expedite pool. | |
20520 | * | |
20521 | * Note: ndlp is only used on SCSI side for RRQ testing. | |
20522 | * The caller should pass NULL for ndlp on NVME side. | |
20523 | * | |
20524 | * Return: | |
20525 | * pointer to one free IO buf - if private pool is not empty | |
20526 | * NULL - if private pool is empty | |
20527 | **/ | |
20528 | static struct lpfc_io_buf * | |
20529 | lpfc_get_io_buf_from_multixri_pools(struct lpfc_hba *phba, | |
20530 | struct lpfc_nodelist *ndlp, | |
20531 | int hwqid, int expedite) | |
20532 | { | |
20533 | struct lpfc_sli4_hdw_queue *qp; | |
20534 | struct lpfc_multixri_pool *multixri_pool; | |
20535 | struct lpfc_pvt_pool *pvt_pool; | |
20536 | struct lpfc_io_buf *lpfc_ncmd; | |
20537 | ||
20538 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20539 | lpfc_ncmd = NULL; | |
20540 | multixri_pool = qp->p_multixri_pool; | |
20541 | pvt_pool = &multixri_pool->pvt_pool; | |
20542 | multixri_pool->io_req_count++; | |
20543 | ||
20544 | /* If pvt_pool is empty, move some XRIs from public to private pool */ | |
20545 | if (pvt_pool->count == 0) | |
20546 | lpfc_move_xri_pbl_to_pvt(phba, hwqid, XRI_BATCH); | |
20547 | ||
20548 | /* Get one XRI from private free xri pool */ | |
6a828b0f | 20549 | lpfc_ncmd = lpfc_get_io_buf_from_private_pool(phba, qp, pvt_pool, ndlp); |
c490850a JS |
20550 | |
20551 | if (lpfc_ncmd) { | |
20552 | lpfc_ncmd->hdwq = qp; | |
20553 | lpfc_ncmd->hdwq_no = hwqid; | |
20554 | } else if (expedite) { | |
20555 | /* If we fail to get one from pvt_pool and this is an expedite | |
20556 | * request, get one free xri from expedite pool. | |
20557 | */ | |
20558 | lpfc_ncmd = lpfc_get_io_buf_from_expedite_pool(phba); | |
20559 | } | |
20560 | ||
20561 | return lpfc_ncmd; | |
20562 | } | |
20563 | ||
20564 | static inline struct lpfc_io_buf * | |
20565 | lpfc_io_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, int idx) | |
20566 | { | |
20567 | struct lpfc_sli4_hdw_queue *qp; | |
20568 | struct lpfc_io_buf *lpfc_cmd, *lpfc_cmd_next; | |
20569 | ||
20570 | qp = &phba->sli4_hba.hdwq[idx]; | |
20571 | list_for_each_entry_safe(lpfc_cmd, lpfc_cmd_next, | |
20572 | &qp->lpfc_io_buf_list_get, list) { | |
20573 | if (lpfc_test_rrq_active(phba, ndlp, | |
20574 | lpfc_cmd->cur_iocbq.sli4_lxritag)) | |
20575 | continue; | |
20576 | ||
20577 | if (lpfc_cmd->flags & LPFC_SBUF_NOT_POSTED) | |
20578 | continue; | |
20579 | ||
20580 | list_del_init(&lpfc_cmd->list); | |
20581 | qp->get_io_bufs--; | |
20582 | lpfc_cmd->hdwq = qp; | |
20583 | lpfc_cmd->hdwq_no = idx; | |
20584 | return lpfc_cmd; | |
20585 | } | |
20586 | return NULL; | |
20587 | } | |
20588 | ||
20589 | /** | |
20590 | * lpfc_get_io_buf - Get one IO buffer from free pool | |
20591 | * @phba: The HBA for which this call is being executed. | |
20592 | * @ndlp: pointer to lpfc nodelist data structure. | |
20593 | * @hwqid: belong to which HWQ | |
20594 | * @expedite: 1 means this request is urgent. | |
20595 | * | |
20596 | * This routine gets one IO buffer from free pool. If cfg_xri_rebalancing==1, | |
20597 | * removes a IO buffer from multiXRI pools. If cfg_xri_rebalancing==0, removes | |
20598 | * a IO buffer from head of @hdwq io_buf_list and returns to caller. | |
20599 | * | |
20600 | * Note: ndlp is only used on SCSI side for RRQ testing. | |
20601 | * The caller should pass NULL for ndlp on NVME side. | |
20602 | * | |
20603 | * Return codes: | |
20604 | * NULL - Error | |
20605 | * Pointer to lpfc_io_buf - Success | |
20606 | **/ | |
20607 | struct lpfc_io_buf *lpfc_get_io_buf(struct lpfc_hba *phba, | |
20608 | struct lpfc_nodelist *ndlp, | |
20609 | u32 hwqid, int expedite) | |
20610 | { | |
20611 | struct lpfc_sli4_hdw_queue *qp; | |
20612 | unsigned long iflag; | |
20613 | struct lpfc_io_buf *lpfc_cmd; | |
20614 | ||
20615 | qp = &phba->sli4_hba.hdwq[hwqid]; | |
20616 | lpfc_cmd = NULL; | |
20617 | ||
20618 | if (phba->cfg_xri_rebalancing) | |
20619 | lpfc_cmd = lpfc_get_io_buf_from_multixri_pools( | |
20620 | phba, ndlp, hwqid, expedite); | |
20621 | else { | |
6a828b0f JS |
20622 | lpfc_qp_spin_lock_irqsave(&qp->io_buf_list_get_lock, iflag, |
20623 | qp, alloc_xri_get); | |
c490850a JS |
20624 | if (qp->get_io_bufs > LPFC_NVME_EXPEDITE_XRICNT || expedite) |
20625 | lpfc_cmd = lpfc_io_buf(phba, ndlp, hwqid); | |
20626 | if (!lpfc_cmd) { | |
6a828b0f JS |
20627 | lpfc_qp_spin_lock(&qp->io_buf_list_put_lock, |
20628 | qp, alloc_xri_put); | |
c490850a JS |
20629 | list_splice(&qp->lpfc_io_buf_list_put, |
20630 | &qp->lpfc_io_buf_list_get); | |
20631 | qp->get_io_bufs += qp->put_io_bufs; | |
20632 | INIT_LIST_HEAD(&qp->lpfc_io_buf_list_put); | |
20633 | qp->put_io_bufs = 0; | |
20634 | spin_unlock(&qp->io_buf_list_put_lock); | |
20635 | if (qp->get_io_bufs > LPFC_NVME_EXPEDITE_XRICNT || | |
20636 | expedite) | |
20637 | lpfc_cmd = lpfc_io_buf(phba, ndlp, hwqid); | |
20638 | } | |
20639 | spin_unlock_irqrestore(&qp->io_buf_list_get_lock, iflag); | |
20640 | } | |
20641 | ||
20642 | return lpfc_cmd; | |
20643 | } | |
d79c9e9d JS |
20644 | |
20645 | /** | |
20646 | * lpfc_get_sgl_per_hdwq - Get one SGL chunk from hdwq's pool | |
20647 | * @phba: The HBA for which this call is being executed. | |
20648 | * @lpfc_buf: IO buf structure to append the SGL chunk | |
20649 | * | |
20650 | * This routine gets one SGL chunk buffer from hdwq's SGL chunk pool, | |
20651 | * and will allocate an SGL chunk if the pool is empty. | |
20652 | * | |
20653 | * Return codes: | |
20654 | * NULL - Error | |
20655 | * Pointer to sli4_hybrid_sgl - Success | |
20656 | **/ | |
20657 | struct sli4_hybrid_sgl * | |
20658 | lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_buf) | |
20659 | { | |
20660 | struct sli4_hybrid_sgl *list_entry = NULL; | |
20661 | struct sli4_hybrid_sgl *tmp = NULL; | |
20662 | struct sli4_hybrid_sgl *allocated_sgl = NULL; | |
20663 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
20664 | struct list_head *buf_list = &hdwq->sgl_list; | |
a4c21acc | 20665 | unsigned long iflags; |
d79c9e9d | 20666 | |
a4c21acc | 20667 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20668 | |
20669 | if (likely(!list_empty(buf_list))) { | |
20670 | /* break off 1 chunk from the sgl_list */ | |
20671 | list_for_each_entry_safe(list_entry, tmp, | |
20672 | buf_list, list_node) { | |
20673 | list_move_tail(&list_entry->list_node, | |
20674 | &lpfc_buf->dma_sgl_xtra_list); | |
20675 | break; | |
20676 | } | |
20677 | } else { | |
20678 | /* allocate more */ | |
a4c21acc | 20679 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d | 20680 | tmp = kmalloc_node(sizeof(*tmp), GFP_ATOMIC, |
4583a4f6 | 20681 | cpu_to_node(hdwq->io_wq->chann)); |
d79c9e9d JS |
20682 | if (!tmp) { |
20683 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
20684 | "8353 error kmalloc memory for HDWQ " | |
20685 | "%d %s\n", | |
20686 | lpfc_buf->hdwq_no, __func__); | |
20687 | return NULL; | |
20688 | } | |
20689 | ||
20690 | tmp->dma_sgl = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, | |
20691 | GFP_ATOMIC, &tmp->dma_phys_sgl); | |
20692 | if (!tmp->dma_sgl) { | |
20693 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
20694 | "8354 error pool_alloc memory for HDWQ " | |
20695 | "%d %s\n", | |
20696 | lpfc_buf->hdwq_no, __func__); | |
20697 | kfree(tmp); | |
20698 | return NULL; | |
20699 | } | |
20700 | ||
a4c21acc | 20701 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20702 | list_add_tail(&tmp->list_node, &lpfc_buf->dma_sgl_xtra_list); |
20703 | } | |
20704 | ||
20705 | allocated_sgl = list_last_entry(&lpfc_buf->dma_sgl_xtra_list, | |
20706 | struct sli4_hybrid_sgl, | |
20707 | list_node); | |
20708 | ||
a4c21acc | 20709 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20710 | |
20711 | return allocated_sgl; | |
20712 | } | |
20713 | ||
20714 | /** | |
20715 | * lpfc_put_sgl_per_hdwq - Put one SGL chunk into hdwq pool | |
20716 | * @phba: The HBA for which this call is being executed. | |
20717 | * @lpfc_buf: IO buf structure with the SGL chunk | |
20718 | * | |
20719 | * This routine puts one SGL chunk buffer into hdwq's SGL chunk pool. | |
20720 | * | |
20721 | * Return codes: | |
20722 | * 0 - Success | |
20723 | * -EINVAL - Error | |
20724 | **/ | |
20725 | int | |
20726 | lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *lpfc_buf) | |
20727 | { | |
20728 | int rc = 0; | |
20729 | struct sli4_hybrid_sgl *list_entry = NULL; | |
20730 | struct sli4_hybrid_sgl *tmp = NULL; | |
20731 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
20732 | struct list_head *buf_list = &hdwq->sgl_list; | |
a4c21acc | 20733 | unsigned long iflags; |
d79c9e9d | 20734 | |
a4c21acc | 20735 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20736 | |
20737 | if (likely(!list_empty(&lpfc_buf->dma_sgl_xtra_list))) { | |
20738 | list_for_each_entry_safe(list_entry, tmp, | |
20739 | &lpfc_buf->dma_sgl_xtra_list, | |
20740 | list_node) { | |
20741 | list_move_tail(&list_entry->list_node, | |
20742 | buf_list); | |
20743 | } | |
20744 | } else { | |
20745 | rc = -EINVAL; | |
20746 | } | |
20747 | ||
a4c21acc | 20748 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20749 | return rc; |
20750 | } | |
20751 | ||
20752 | /** | |
20753 | * lpfc_free_sgl_per_hdwq - Free all SGL chunks of hdwq pool | |
20754 | * @phba: phba object | |
20755 | * @hdwq: hdwq to cleanup sgl buff resources on | |
20756 | * | |
20757 | * This routine frees all SGL chunks of hdwq SGL chunk pool. | |
20758 | * | |
20759 | * Return codes: | |
20760 | * None | |
20761 | **/ | |
20762 | void | |
20763 | lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba, | |
20764 | struct lpfc_sli4_hdw_queue *hdwq) | |
20765 | { | |
20766 | struct list_head *buf_list = &hdwq->sgl_list; | |
20767 | struct sli4_hybrid_sgl *list_entry = NULL; | |
20768 | struct sli4_hybrid_sgl *tmp = NULL; | |
a4c21acc | 20769 | unsigned long iflags; |
d79c9e9d | 20770 | |
a4c21acc | 20771 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20772 | |
20773 | /* Free sgl pool */ | |
20774 | list_for_each_entry_safe(list_entry, tmp, | |
20775 | buf_list, list_node) { | |
20776 | dma_pool_free(phba->lpfc_sg_dma_buf_pool, | |
20777 | list_entry->dma_sgl, | |
20778 | list_entry->dma_phys_sgl); | |
20779 | list_del(&list_entry->list_node); | |
20780 | kfree(list_entry); | |
20781 | } | |
20782 | ||
a4c21acc | 20783 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20784 | } |
20785 | ||
20786 | /** | |
20787 | * lpfc_get_cmd_rsp_buf_per_hdwq - Get one CMD/RSP buffer from hdwq | |
20788 | * @phba: The HBA for which this call is being executed. | |
20789 | * @lpfc_buf: IO buf structure to attach the CMD/RSP buffer | |
20790 | * | |
20791 | * This routine gets one CMD/RSP buffer from hdwq's CMD/RSP pool, | |
20792 | * and will allocate an CMD/RSP buffer if the pool is empty. | |
20793 | * | |
20794 | * Return codes: | |
20795 | * NULL - Error | |
20796 | * Pointer to fcp_cmd_rsp_buf - Success | |
20797 | **/ | |
20798 | struct fcp_cmd_rsp_buf * | |
20799 | lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba, | |
20800 | struct lpfc_io_buf *lpfc_buf) | |
20801 | { | |
20802 | struct fcp_cmd_rsp_buf *list_entry = NULL; | |
20803 | struct fcp_cmd_rsp_buf *tmp = NULL; | |
20804 | struct fcp_cmd_rsp_buf *allocated_buf = NULL; | |
20805 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
20806 | struct list_head *buf_list = &hdwq->cmd_rsp_buf_list; | |
a4c21acc | 20807 | unsigned long iflags; |
d79c9e9d | 20808 | |
a4c21acc | 20809 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20810 | |
20811 | if (likely(!list_empty(buf_list))) { | |
20812 | /* break off 1 chunk from the list */ | |
20813 | list_for_each_entry_safe(list_entry, tmp, | |
20814 | buf_list, | |
20815 | list_node) { | |
20816 | list_move_tail(&list_entry->list_node, | |
20817 | &lpfc_buf->dma_cmd_rsp_list); | |
20818 | break; | |
20819 | } | |
20820 | } else { | |
20821 | /* allocate more */ | |
a4c21acc | 20822 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d | 20823 | tmp = kmalloc_node(sizeof(*tmp), GFP_ATOMIC, |
4583a4f6 | 20824 | cpu_to_node(hdwq->io_wq->chann)); |
d79c9e9d JS |
20825 | if (!tmp) { |
20826 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
20827 | "8355 error kmalloc memory for HDWQ " | |
20828 | "%d %s\n", | |
20829 | lpfc_buf->hdwq_no, __func__); | |
20830 | return NULL; | |
20831 | } | |
20832 | ||
20833 | tmp->fcp_cmnd = dma_pool_alloc(phba->lpfc_cmd_rsp_buf_pool, | |
20834 | GFP_ATOMIC, | |
20835 | &tmp->fcp_cmd_rsp_dma_handle); | |
20836 | ||
20837 | if (!tmp->fcp_cmnd) { | |
20838 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
20839 | "8356 error pool_alloc memory for HDWQ " | |
20840 | "%d %s\n", | |
20841 | lpfc_buf->hdwq_no, __func__); | |
20842 | kfree(tmp); | |
20843 | return NULL; | |
20844 | } | |
20845 | ||
20846 | tmp->fcp_rsp = (struct fcp_rsp *)((uint8_t *)tmp->fcp_cmnd + | |
20847 | sizeof(struct fcp_cmnd)); | |
20848 | ||
a4c21acc | 20849 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20850 | list_add_tail(&tmp->list_node, &lpfc_buf->dma_cmd_rsp_list); |
20851 | } | |
20852 | ||
20853 | allocated_buf = list_last_entry(&lpfc_buf->dma_cmd_rsp_list, | |
20854 | struct fcp_cmd_rsp_buf, | |
20855 | list_node); | |
20856 | ||
a4c21acc | 20857 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20858 | |
20859 | return allocated_buf; | |
20860 | } | |
20861 | ||
20862 | /** | |
20863 | * lpfc_put_cmd_rsp_buf_per_hdwq - Put one CMD/RSP buffer into hdwq pool | |
20864 | * @phba: The HBA for which this call is being executed. | |
20865 | * @lpfc_buf: IO buf structure with the CMD/RSP buf | |
20866 | * | |
20867 | * This routine puts one CMD/RSP buffer into executing CPU's CMD/RSP pool. | |
20868 | * | |
20869 | * Return codes: | |
20870 | * 0 - Success | |
20871 | * -EINVAL - Error | |
20872 | **/ | |
20873 | int | |
20874 | lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba, | |
20875 | struct lpfc_io_buf *lpfc_buf) | |
20876 | { | |
20877 | int rc = 0; | |
20878 | struct fcp_cmd_rsp_buf *list_entry = NULL; | |
20879 | struct fcp_cmd_rsp_buf *tmp = NULL; | |
20880 | struct lpfc_sli4_hdw_queue *hdwq = lpfc_buf->hdwq; | |
20881 | struct list_head *buf_list = &hdwq->cmd_rsp_buf_list; | |
a4c21acc | 20882 | unsigned long iflags; |
d79c9e9d | 20883 | |
a4c21acc | 20884 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20885 | |
20886 | if (likely(!list_empty(&lpfc_buf->dma_cmd_rsp_list))) { | |
20887 | list_for_each_entry_safe(list_entry, tmp, | |
20888 | &lpfc_buf->dma_cmd_rsp_list, | |
20889 | list_node) { | |
20890 | list_move_tail(&list_entry->list_node, | |
20891 | buf_list); | |
20892 | } | |
20893 | } else { | |
20894 | rc = -EINVAL; | |
20895 | } | |
20896 | ||
a4c21acc | 20897 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20898 | return rc; |
20899 | } | |
20900 | ||
20901 | /** | |
20902 | * lpfc_free_cmd_rsp_buf_per_hdwq - Free all CMD/RSP chunks of hdwq pool | |
20903 | * @phba: phba object | |
20904 | * @hdwq: hdwq to cleanup cmd rsp buff resources on | |
20905 | * | |
20906 | * This routine frees all CMD/RSP buffers of hdwq's CMD/RSP buf pool. | |
20907 | * | |
20908 | * Return codes: | |
20909 | * None | |
20910 | **/ | |
20911 | void | |
20912 | lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba, | |
20913 | struct lpfc_sli4_hdw_queue *hdwq) | |
20914 | { | |
20915 | struct list_head *buf_list = &hdwq->cmd_rsp_buf_list; | |
20916 | struct fcp_cmd_rsp_buf *list_entry = NULL; | |
20917 | struct fcp_cmd_rsp_buf *tmp = NULL; | |
a4c21acc | 20918 | unsigned long iflags; |
d79c9e9d | 20919 | |
a4c21acc | 20920 | spin_lock_irqsave(&hdwq->hdwq_lock, iflags); |
d79c9e9d JS |
20921 | |
20922 | /* Free cmd_rsp buf pool */ | |
20923 | list_for_each_entry_safe(list_entry, tmp, | |
20924 | buf_list, | |
20925 | list_node) { | |
20926 | dma_pool_free(phba->lpfc_cmd_rsp_buf_pool, | |
20927 | list_entry->fcp_cmnd, | |
20928 | list_entry->fcp_cmd_rsp_dma_handle); | |
20929 | list_del(&list_entry->list_node); | |
20930 | kfree(list_entry); | |
20931 | } | |
20932 | ||
a4c21acc | 20933 | spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags); |
d79c9e9d | 20934 | } |