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dea3101e JB |
2 | /******************************************************************* |
3 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 4 | * Fibre Channel Host Bus Adapters. * |
d080abe0 JS |
5 | * Copyright (C) 2017 Broadcom. All Rights Reserved. The term * |
6 | * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. * | |
50611577 | 7 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 8 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 9 | * www.broadcom.com * |
c44ce173 | 10 | * Portions Copyright (C) 2004-2005 Christoph Hellwig * |
dea3101e JB |
11 | * * |
12 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
13 | * modify it under the terms of version 2 of the GNU General * |
14 | * Public License as published by the Free Software Foundation. * | |
15 | * This program is distributed in the hope that it will be useful. * | |
16 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * | |
17 | * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * | |
18 | * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * | |
19 | * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * | |
20 | * TO BE LEGALLY INVALID. See the GNU General Public License for * | |
21 | * more details, a copy of which can be found in the file COPYING * | |
22 | * included with this package. * | |
dea3101e JB |
23 | *******************************************************************/ |
24 | ||
dea3101e JB |
25 | #include <linux/blkdev.h> |
26 | #include <linux/pci.h> | |
27 | #include <linux/interrupt.h> | |
28 | #include <linux/delay.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
1c2ba475 | 30 | #include <linux/lockdep.h> |
dea3101e | 31 | |
91886523 | 32 | #include <scsi/scsi.h> |
dea3101e JB |
33 | #include <scsi/scsi_cmnd.h> |
34 | #include <scsi/scsi_device.h> | |
35 | #include <scsi/scsi_host.h> | |
f888ba3c | 36 | #include <scsi/scsi_transport_fc.h> |
da0436e9 | 37 | #include <scsi/fc/fc_fs.h> |
0d878419 | 38 | #include <linux/aer.h> |
dea3101e | 39 | |
895427bd JS |
40 | #include <linux/nvme-fc-driver.h> |
41 | ||
da0436e9 | 42 | #include "lpfc_hw4.h" |
dea3101e JB |
43 | #include "lpfc_hw.h" |
44 | #include "lpfc_sli.h" | |
da0436e9 | 45 | #include "lpfc_sli4.h" |
ea2151b4 | 46 | #include "lpfc_nl.h" |
dea3101e | 47 | #include "lpfc_disc.h" |
dea3101e | 48 | #include "lpfc.h" |
895427bd JS |
49 | #include "lpfc_scsi.h" |
50 | #include "lpfc_nvme.h" | |
f358dd0c | 51 | #include "lpfc_nvmet.h" |
dea3101e JB |
52 | #include "lpfc_crtn.h" |
53 | #include "lpfc_logmsg.h" | |
54 | #include "lpfc_compat.h" | |
858c9f6c | 55 | #include "lpfc_debugfs.h" |
04c68496 | 56 | #include "lpfc_vport.h" |
61bda8f7 | 57 | #include "lpfc_version.h" |
dea3101e JB |
58 | |
59 | /* There are only four IOCB completion types. */ | |
60 | typedef enum _lpfc_iocb_type { | |
61 | LPFC_UNKNOWN_IOCB, | |
62 | LPFC_UNSOL_IOCB, | |
63 | LPFC_SOL_IOCB, | |
64 | LPFC_ABORT_IOCB | |
65 | } lpfc_iocb_type; | |
66 | ||
4f774513 JS |
67 | |
68 | /* Provide function prototypes local to this module. */ | |
69 | static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
70 | uint32_t); | |
71 | static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *, | |
45ed1190 JS |
72 | uint8_t *, uint32_t *); |
73 | static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *, | |
74 | struct lpfc_iocbq *); | |
6669f9bb JS |
75 | static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *, |
76 | struct hbq_dmabuf *); | |
ae9e28f3 JS |
77 | static void lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, |
78 | struct hbq_dmabuf *dmabuf); | |
895427bd | 79 | static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba *, struct lpfc_queue *, |
0558056c | 80 | struct lpfc_cqe *); |
895427bd | 81 | static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *, |
8a9d2e80 | 82 | int); |
ba20c853 JS |
83 | static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *, struct lpfc_eqe *, |
84 | uint32_t); | |
e8d3c3b1 JS |
85 | static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba); |
86 | static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba); | |
895427bd JS |
87 | static int lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, |
88 | struct lpfc_sli_ring *pring, | |
89 | struct lpfc_iocbq *cmdiocb); | |
0558056c | 90 | |
4f774513 JS |
91 | static IOCB_t * |
92 | lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq) | |
93 | { | |
94 | return &iocbq->iocb; | |
95 | } | |
96 | ||
97 | /** | |
98 | * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue | |
99 | * @q: The Work Queue to operate on. | |
100 | * @wqe: The work Queue Entry to put on the Work queue. | |
101 | * | |
102 | * This routine will copy the contents of @wqe to the next available entry on | |
103 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
104 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
105 | * successful. If no entries are available on @q then this function will return | |
106 | * -ENOMEM. | |
107 | * The caller is expected to hold the hbalock when calling this routine. | |
108 | **/ | |
109 | static uint32_t | |
110 | lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe) | |
111 | { | |
2e90f4b5 | 112 | union lpfc_wqe *temp_wqe; |
4f774513 JS |
113 | struct lpfc_register doorbell; |
114 | uint32_t host_index; | |
027140ea | 115 | uint32_t idx; |
4f774513 | 116 | |
2e90f4b5 JS |
117 | /* sanity check on queue memory */ |
118 | if (unlikely(!q)) | |
119 | return -ENOMEM; | |
120 | temp_wqe = q->qe[q->host_index].wqe; | |
121 | ||
4f774513 | 122 | /* If the host has not yet processed the next entry then we are done */ |
027140ea JS |
123 | idx = ((q->host_index + 1) % q->entry_count); |
124 | if (idx == q->hba_index) { | |
b84daac9 | 125 | q->WQ_overflow++; |
4f774513 | 126 | return -ENOMEM; |
b84daac9 JS |
127 | } |
128 | q->WQ_posted++; | |
4f774513 | 129 | /* set consumption flag every once in a while */ |
ff78d8f9 | 130 | if (!((q->host_index + 1) % q->entry_repost)) |
f0d9bccc | 131 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 1); |
fedd3b7b JS |
132 | if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) |
133 | bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); | |
4f774513 | 134 | lpfc_sli_pcimem_bcopy(wqe, temp_wqe, q->entry_size); |
6b3b3bdb JS |
135 | /* ensure WQE bcopy flushed before doorbell write */ |
136 | wmb(); | |
4f774513 JS |
137 | |
138 | /* Update the host index before invoking device */ | |
139 | host_index = q->host_index; | |
027140ea JS |
140 | |
141 | q->host_index = idx; | |
4f774513 JS |
142 | |
143 | /* Ring Doorbell */ | |
144 | doorbell.word0 = 0; | |
962bc51b JS |
145 | if (q->db_format == LPFC_DB_LIST_FORMAT) { |
146 | bf_set(lpfc_wq_db_list_fm_num_posted, &doorbell, 1); | |
147 | bf_set(lpfc_wq_db_list_fm_index, &doorbell, host_index); | |
148 | bf_set(lpfc_wq_db_list_fm_id, &doorbell, q->queue_id); | |
149 | } else if (q->db_format == LPFC_DB_RING_FORMAT) { | |
150 | bf_set(lpfc_wq_db_ring_fm_num_posted, &doorbell, 1); | |
151 | bf_set(lpfc_wq_db_ring_fm_id, &doorbell, q->queue_id); | |
152 | } else { | |
153 | return -EINVAL; | |
154 | } | |
155 | writel(doorbell.word0, q->db_regaddr); | |
4f774513 JS |
156 | |
157 | return 0; | |
158 | } | |
159 | ||
160 | /** | |
161 | * lpfc_sli4_wq_release - Updates internal hba index for WQ | |
162 | * @q: The Work Queue to operate on. | |
163 | * @index: The index to advance the hba index to. | |
164 | * | |
165 | * This routine will update the HBA index of a queue to reflect consumption of | |
166 | * Work Queue Entries by the HBA. When the HBA indicates that it has consumed | |
167 | * an entry the host calls this function to update the queue's internal | |
168 | * pointers. This routine returns the number of entries that were consumed by | |
169 | * the HBA. | |
170 | **/ | |
171 | static uint32_t | |
172 | lpfc_sli4_wq_release(struct lpfc_queue *q, uint32_t index) | |
173 | { | |
174 | uint32_t released = 0; | |
175 | ||
2e90f4b5 JS |
176 | /* sanity check on queue memory */ |
177 | if (unlikely(!q)) | |
178 | return 0; | |
179 | ||
4f774513 JS |
180 | if (q->hba_index == index) |
181 | return 0; | |
182 | do { | |
183 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
184 | released++; | |
185 | } while (q->hba_index != index); | |
186 | return released; | |
187 | } | |
188 | ||
189 | /** | |
190 | * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue | |
191 | * @q: The Mailbox Queue to operate on. | |
192 | * @wqe: The Mailbox Queue Entry to put on the Work queue. | |
193 | * | |
194 | * This routine will copy the contents of @mqe to the next available entry on | |
195 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
196 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
197 | * successful. If no entries are available on @q then this function will return | |
198 | * -ENOMEM. | |
199 | * The caller is expected to hold the hbalock when calling this routine. | |
200 | **/ | |
201 | static uint32_t | |
202 | lpfc_sli4_mq_put(struct lpfc_queue *q, struct lpfc_mqe *mqe) | |
203 | { | |
2e90f4b5 | 204 | struct lpfc_mqe *temp_mqe; |
4f774513 | 205 | struct lpfc_register doorbell; |
4f774513 | 206 | |
2e90f4b5 JS |
207 | /* sanity check on queue memory */ |
208 | if (unlikely(!q)) | |
209 | return -ENOMEM; | |
210 | temp_mqe = q->qe[q->host_index].mqe; | |
211 | ||
4f774513 JS |
212 | /* If the host has not yet processed the next entry then we are done */ |
213 | if (((q->host_index + 1) % q->entry_count) == q->hba_index) | |
214 | return -ENOMEM; | |
215 | lpfc_sli_pcimem_bcopy(mqe, temp_mqe, q->entry_size); | |
216 | /* Save off the mailbox pointer for completion */ | |
217 | q->phba->mbox = (MAILBOX_t *)temp_mqe; | |
218 | ||
219 | /* Update the host index before invoking device */ | |
4f774513 JS |
220 | q->host_index = ((q->host_index + 1) % q->entry_count); |
221 | ||
222 | /* Ring Doorbell */ | |
223 | doorbell.word0 = 0; | |
224 | bf_set(lpfc_mq_doorbell_num_posted, &doorbell, 1); | |
225 | bf_set(lpfc_mq_doorbell_id, &doorbell, q->queue_id); | |
226 | writel(doorbell.word0, q->phba->sli4_hba.MQDBregaddr); | |
4f774513 JS |
227 | return 0; |
228 | } | |
229 | ||
230 | /** | |
231 | * lpfc_sli4_mq_release - Updates internal hba index for MQ | |
232 | * @q: The Mailbox Queue to operate on. | |
233 | * | |
234 | * This routine will update the HBA index of a queue to reflect consumption of | |
235 | * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed | |
236 | * an entry the host calls this function to update the queue's internal | |
237 | * pointers. This routine returns the number of entries that were consumed by | |
238 | * the HBA. | |
239 | **/ | |
240 | static uint32_t | |
241 | lpfc_sli4_mq_release(struct lpfc_queue *q) | |
242 | { | |
2e90f4b5 JS |
243 | /* sanity check on queue memory */ |
244 | if (unlikely(!q)) | |
245 | return 0; | |
246 | ||
4f774513 JS |
247 | /* Clear the mailbox pointer for completion */ |
248 | q->phba->mbox = NULL; | |
249 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
250 | return 1; | |
251 | } | |
252 | ||
253 | /** | |
254 | * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ | |
255 | * @q: The Event Queue to get the first valid EQE from | |
256 | * | |
257 | * This routine will get the first valid Event Queue Entry from @q, update | |
258 | * the queue's internal hba index, and return the EQE. If no valid EQEs are in | |
259 | * the Queue (no more work to do), or the Queue is full of EQEs that have been | |
260 | * processed, but not popped back to the HBA then this routine will return NULL. | |
261 | **/ | |
262 | static struct lpfc_eqe * | |
263 | lpfc_sli4_eq_get(struct lpfc_queue *q) | |
264 | { | |
2e90f4b5 | 265 | struct lpfc_eqe *eqe; |
027140ea | 266 | uint32_t idx; |
2e90f4b5 JS |
267 | |
268 | /* sanity check on queue memory */ | |
269 | if (unlikely(!q)) | |
270 | return NULL; | |
271 | eqe = q->qe[q->hba_index].eqe; | |
4f774513 JS |
272 | |
273 | /* If the next EQE is not valid then we are done */ | |
cb5172ea | 274 | if (!bf_get_le32(lpfc_eqe_valid, eqe)) |
4f774513 JS |
275 | return NULL; |
276 | /* If the host has not yet processed the next entry then we are done */ | |
027140ea JS |
277 | idx = ((q->hba_index + 1) % q->entry_count); |
278 | if (idx == q->host_index) | |
4f774513 JS |
279 | return NULL; |
280 | ||
027140ea | 281 | q->hba_index = idx; |
27f344eb JS |
282 | |
283 | /* | |
284 | * insert barrier for instruction interlock : data from the hardware | |
285 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
286 | * upon. Speculative instructions were allowing a bcopy at the start |
287 | * of lpfc_sli4_fp_handle_wcqe(), which is called immediately | |
288 | * after our return, to copy data before the valid bit check above | |
289 | * was done. As such, some of the copied data was stale. The barrier | |
290 | * ensures the check is before any data is copied. | |
27f344eb JS |
291 | */ |
292 | mb(); | |
4f774513 JS |
293 | return eqe; |
294 | } | |
295 | ||
ba20c853 JS |
296 | /** |
297 | * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ | |
298 | * @q: The Event Queue to disable interrupts | |
299 | * | |
300 | **/ | |
301 | static inline void | |
302 | lpfc_sli4_eq_clr_intr(struct lpfc_queue *q) | |
303 | { | |
304 | struct lpfc_register doorbell; | |
305 | ||
306 | doorbell.word0 = 0; | |
307 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
308 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
309 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, | |
310 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
311 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
312 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); | |
313 | } | |
314 | ||
4f774513 JS |
315 | /** |
316 | * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ | |
317 | * @q: The Event Queue that the host has completed processing for. | |
318 | * @arm: Indicates whether the host wants to arms this CQ. | |
319 | * | |
320 | * This routine will mark all Event Queue Entries on @q, from the last | |
321 | * known completed entry to the last entry that was processed, as completed | |
322 | * by clearing the valid bit for each completion queue entry. Then it will | |
323 | * notify the HBA, by ringing the doorbell, that the EQEs have been processed. | |
324 | * The internal host index in the @q will be updated by this routine to indicate | |
325 | * that the host has finished processing the entries. The @arm parameter | |
326 | * indicates that the queue should be rearmed when ringing the doorbell. | |
327 | * | |
328 | * This function will return the number of EQEs that were popped. | |
329 | **/ | |
330 | uint32_t | |
331 | lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm) | |
332 | { | |
333 | uint32_t released = 0; | |
334 | struct lpfc_eqe *temp_eqe; | |
335 | struct lpfc_register doorbell; | |
336 | ||
2e90f4b5 JS |
337 | /* sanity check on queue memory */ |
338 | if (unlikely(!q)) | |
339 | return 0; | |
340 | ||
4f774513 JS |
341 | /* while there are valid entries */ |
342 | while (q->hba_index != q->host_index) { | |
343 | temp_eqe = q->qe[q->host_index].eqe; | |
cb5172ea | 344 | bf_set_le32(lpfc_eqe_valid, temp_eqe, 0); |
4f774513 JS |
345 | released++; |
346 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
347 | } | |
348 | if (unlikely(released == 0 && !arm)) | |
349 | return 0; | |
350 | ||
351 | /* ring doorbell for number popped */ | |
352 | doorbell.word0 = 0; | |
353 | if (arm) { | |
354 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
355 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
356 | } | |
357 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
358 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
6b5151fd JS |
359 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, |
360 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
361 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
4f774513 | 362 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); |
a747c9ce JS |
363 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ |
364 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
365 | readl(q->phba->sli4_hba.EQCQDBregaddr); | |
4f774513 JS |
366 | return released; |
367 | } | |
368 | ||
369 | /** | |
370 | * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ | |
371 | * @q: The Completion Queue to get the first valid CQE from | |
372 | * | |
373 | * This routine will get the first valid Completion Queue Entry from @q, update | |
374 | * the queue's internal hba index, and return the CQE. If no valid CQEs are in | |
375 | * the Queue (no more work to do), or the Queue is full of CQEs that have been | |
376 | * processed, but not popped back to the HBA then this routine will return NULL. | |
377 | **/ | |
378 | static struct lpfc_cqe * | |
379 | lpfc_sli4_cq_get(struct lpfc_queue *q) | |
380 | { | |
381 | struct lpfc_cqe *cqe; | |
027140ea | 382 | uint32_t idx; |
4f774513 | 383 | |
2e90f4b5 JS |
384 | /* sanity check on queue memory */ |
385 | if (unlikely(!q)) | |
386 | return NULL; | |
387 | ||
4f774513 | 388 | /* If the next CQE is not valid then we are done */ |
cb5172ea | 389 | if (!bf_get_le32(lpfc_cqe_valid, q->qe[q->hba_index].cqe)) |
4f774513 JS |
390 | return NULL; |
391 | /* If the host has not yet processed the next entry then we are done */ | |
027140ea JS |
392 | idx = ((q->hba_index + 1) % q->entry_count); |
393 | if (idx == q->host_index) | |
4f774513 JS |
394 | return NULL; |
395 | ||
396 | cqe = q->qe[q->hba_index].cqe; | |
027140ea | 397 | q->hba_index = idx; |
27f344eb JS |
398 | |
399 | /* | |
400 | * insert barrier for instruction interlock : data from the hardware | |
401 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
402 | * upon. Given what was seen in lpfc_sli4_cq_get() of speculative |
403 | * instructions allowing action on content before valid bit checked, | |
404 | * add barrier here as well. May not be needed as "content" is a | |
405 | * single 32-bit entity here (vs multi word structure for cq's). | |
27f344eb JS |
406 | */ |
407 | mb(); | |
4f774513 JS |
408 | return cqe; |
409 | } | |
410 | ||
411 | /** | |
412 | * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ | |
413 | * @q: The Completion Queue that the host has completed processing for. | |
414 | * @arm: Indicates whether the host wants to arms this CQ. | |
415 | * | |
416 | * This routine will mark all Completion queue entries on @q, from the last | |
417 | * known completed entry to the last entry that was processed, as completed | |
418 | * by clearing the valid bit for each completion queue entry. Then it will | |
419 | * notify the HBA, by ringing the doorbell, that the CQEs have been processed. | |
420 | * The internal host index in the @q will be updated by this routine to indicate | |
421 | * that the host has finished processing the entries. The @arm parameter | |
422 | * indicates that the queue should be rearmed when ringing the doorbell. | |
423 | * | |
424 | * This function will return the number of CQEs that were released. | |
425 | **/ | |
426 | uint32_t | |
427 | lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm) | |
428 | { | |
429 | uint32_t released = 0; | |
430 | struct lpfc_cqe *temp_qe; | |
431 | struct lpfc_register doorbell; | |
432 | ||
2e90f4b5 JS |
433 | /* sanity check on queue memory */ |
434 | if (unlikely(!q)) | |
435 | return 0; | |
4f774513 JS |
436 | /* while there are valid entries */ |
437 | while (q->hba_index != q->host_index) { | |
438 | temp_qe = q->qe[q->host_index].cqe; | |
cb5172ea | 439 | bf_set_le32(lpfc_cqe_valid, temp_qe, 0); |
4f774513 JS |
440 | released++; |
441 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
442 | } | |
443 | if (unlikely(released == 0 && !arm)) | |
444 | return 0; | |
445 | ||
446 | /* ring doorbell for number popped */ | |
447 | doorbell.word0 = 0; | |
448 | if (arm) | |
449 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
450 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
451 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); | |
6b5151fd JS |
452 | bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, |
453 | (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); | |
454 | bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); | |
4f774513 JS |
455 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); |
456 | return released; | |
457 | } | |
458 | ||
459 | /** | |
460 | * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue | |
461 | * @q: The Header Receive Queue to operate on. | |
462 | * @wqe: The Receive Queue Entry to put on the Receive queue. | |
463 | * | |
464 | * This routine will copy the contents of @wqe to the next available entry on | |
465 | * the @q. This function will then ring the Receive Queue Doorbell to signal the | |
466 | * HBA to start processing the Receive Queue Entry. This function returns the | |
467 | * index that the rqe was copied to if successful. If no entries are available | |
468 | * on @q then this function will return -ENOMEM. | |
469 | * The caller is expected to hold the hbalock when calling this routine. | |
470 | **/ | |
895427bd | 471 | int |
4f774513 JS |
472 | lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, |
473 | struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe) | |
474 | { | |
2e90f4b5 JS |
475 | struct lpfc_rqe *temp_hrqe; |
476 | struct lpfc_rqe *temp_drqe; | |
4f774513 | 477 | struct lpfc_register doorbell; |
5a25bf36 | 478 | int put_index; |
4f774513 | 479 | |
2e90f4b5 JS |
480 | /* sanity check on queue memory */ |
481 | if (unlikely(!hq) || unlikely(!dq)) | |
482 | return -ENOMEM; | |
5a25bf36 | 483 | put_index = hq->host_index; |
61f3d4bf | 484 | temp_hrqe = hq->qe[put_index].rqe; |
2e90f4b5 JS |
485 | temp_drqe = dq->qe[dq->host_index].rqe; |
486 | ||
4f774513 JS |
487 | if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ) |
488 | return -EINVAL; | |
61f3d4bf | 489 | if (put_index != dq->host_index) |
4f774513 JS |
490 | return -EINVAL; |
491 | /* If the host has not yet processed the next entry then we are done */ | |
61f3d4bf | 492 | if (((put_index + 1) % hq->entry_count) == hq->hba_index) |
4f774513 JS |
493 | return -EBUSY; |
494 | lpfc_sli_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size); | |
495 | lpfc_sli_pcimem_bcopy(drqe, temp_drqe, dq->entry_size); | |
496 | ||
497 | /* Update the host index to point to the next slot */ | |
61f3d4bf | 498 | hq->host_index = ((put_index + 1) % hq->entry_count); |
4f774513 | 499 | dq->host_index = ((dq->host_index + 1) % dq->entry_count); |
61f3d4bf | 500 | hq->RQ_buf_posted++; |
4f774513 JS |
501 | |
502 | /* Ring The Header Receive Queue Doorbell */ | |
73d91e50 | 503 | if (!(hq->host_index % hq->entry_repost)) { |
4f774513 | 504 | doorbell.word0 = 0; |
962bc51b JS |
505 | if (hq->db_format == LPFC_DB_RING_FORMAT) { |
506 | bf_set(lpfc_rq_db_ring_fm_num_posted, &doorbell, | |
507 | hq->entry_repost); | |
508 | bf_set(lpfc_rq_db_ring_fm_id, &doorbell, hq->queue_id); | |
509 | } else if (hq->db_format == LPFC_DB_LIST_FORMAT) { | |
510 | bf_set(lpfc_rq_db_list_fm_num_posted, &doorbell, | |
511 | hq->entry_repost); | |
512 | bf_set(lpfc_rq_db_list_fm_index, &doorbell, | |
513 | hq->host_index); | |
514 | bf_set(lpfc_rq_db_list_fm_id, &doorbell, hq->queue_id); | |
515 | } else { | |
516 | return -EINVAL; | |
517 | } | |
518 | writel(doorbell.word0, hq->db_regaddr); | |
4f774513 JS |
519 | } |
520 | return put_index; | |
521 | } | |
522 | ||
523 | /** | |
524 | * lpfc_sli4_rq_release - Updates internal hba index for RQ | |
525 | * @q: The Header Receive Queue to operate on. | |
526 | * | |
527 | * This routine will update the HBA index of a queue to reflect consumption of | |
528 | * one Receive Queue Entry by the HBA. When the HBA indicates that it has | |
529 | * consumed an entry the host calls this function to update the queue's | |
530 | * internal pointers. This routine returns the number of entries that were | |
531 | * consumed by the HBA. | |
532 | **/ | |
533 | static uint32_t | |
534 | lpfc_sli4_rq_release(struct lpfc_queue *hq, struct lpfc_queue *dq) | |
535 | { | |
2e90f4b5 JS |
536 | /* sanity check on queue memory */ |
537 | if (unlikely(!hq) || unlikely(!dq)) | |
538 | return 0; | |
539 | ||
4f774513 JS |
540 | if ((hq->type != LPFC_HRQ) || (dq->type != LPFC_DRQ)) |
541 | return 0; | |
542 | hq->hba_index = ((hq->hba_index + 1) % hq->entry_count); | |
543 | dq->hba_index = ((dq->hba_index + 1) % dq->entry_count); | |
544 | return 1; | |
545 | } | |
546 | ||
e59058c4 | 547 | /** |
3621a710 | 548 | * lpfc_cmd_iocb - Get next command iocb entry in the ring |
e59058c4 JS |
549 | * @phba: Pointer to HBA context object. |
550 | * @pring: Pointer to driver SLI ring object. | |
551 | * | |
552 | * This function returns pointer to next command iocb entry | |
553 | * in the command ring. The caller must hold hbalock to prevent | |
554 | * other threads consume the next command iocb. | |
555 | * SLI-2/SLI-3 provide different sized iocbs. | |
556 | **/ | |
ed957684 JS |
557 | static inline IOCB_t * |
558 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
559 | { | |
7e56aa25 JS |
560 | return (IOCB_t *) (((char *) pring->sli.sli3.cmdringaddr) + |
561 | pring->sli.sli3.cmdidx * phba->iocb_cmd_size); | |
ed957684 JS |
562 | } |
563 | ||
e59058c4 | 564 | /** |
3621a710 | 565 | * lpfc_resp_iocb - Get next response iocb entry in the ring |
e59058c4 JS |
566 | * @phba: Pointer to HBA context object. |
567 | * @pring: Pointer to driver SLI ring object. | |
568 | * | |
569 | * This function returns pointer to next response iocb entry | |
570 | * in the response ring. The caller must hold hbalock to make sure | |
571 | * that no other thread consume the next response iocb. | |
572 | * SLI-2/SLI-3 provide different sized iocbs. | |
573 | **/ | |
ed957684 JS |
574 | static inline IOCB_t * |
575 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
576 | { | |
7e56aa25 JS |
577 | return (IOCB_t *) (((char *) pring->sli.sli3.rspringaddr) + |
578 | pring->sli.sli3.rspidx * phba->iocb_rsp_size); | |
ed957684 JS |
579 | } |
580 | ||
e59058c4 | 581 | /** |
3621a710 | 582 | * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
583 | * @phba: Pointer to HBA context object. |
584 | * | |
585 | * This function is called with hbalock held. This function | |
586 | * allocates a new driver iocb object from the iocb pool. If the | |
587 | * allocation is successful, it returns pointer to the newly | |
588 | * allocated iocb object else it returns NULL. | |
589 | **/ | |
4f2e66c6 | 590 | struct lpfc_iocbq * |
2e0fef85 | 591 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) |
0bd4ca25 JSEC |
592 | { |
593 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
594 | struct lpfc_iocbq * iocbq = NULL; | |
595 | ||
1c2ba475 JT |
596 | lockdep_assert_held(&phba->hbalock); |
597 | ||
0bd4ca25 | 598 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
2a9bf3d0 JS |
599 | if (iocbq) |
600 | phba->iocb_cnt++; | |
601 | if (phba->iocb_cnt > phba->iocb_max) | |
602 | phba->iocb_max = phba->iocb_cnt; | |
0bd4ca25 JSEC |
603 | return iocbq; |
604 | } | |
605 | ||
da0436e9 JS |
606 | /** |
607 | * __lpfc_clear_active_sglq - Remove the active sglq for this XRI. | |
608 | * @phba: Pointer to HBA context object. | |
609 | * @xritag: XRI value. | |
610 | * | |
611 | * This function clears the sglq pointer from the array of acive | |
612 | * sglq's. The xritag that is passed in is used to index into the | |
613 | * array. Before the xritag can be used it needs to be adjusted | |
614 | * by subtracting the xribase. | |
615 | * | |
616 | * Returns sglq ponter = success, NULL = Failure. | |
617 | **/ | |
895427bd | 618 | struct lpfc_sglq * |
da0436e9 JS |
619 | __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
620 | { | |
da0436e9 | 621 | struct lpfc_sglq *sglq; |
6d368e53 JS |
622 | |
623 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
624 | phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL; | |
da0436e9 JS |
625 | return sglq; |
626 | } | |
627 | ||
628 | /** | |
629 | * __lpfc_get_active_sglq - Get the active sglq for this XRI. | |
630 | * @phba: Pointer to HBA context object. | |
631 | * @xritag: XRI value. | |
632 | * | |
633 | * This function returns the sglq pointer from the array of acive | |
634 | * sglq's. The xritag that is passed in is used to index into the | |
635 | * array. Before the xritag can be used it needs to be adjusted | |
636 | * by subtracting the xribase. | |
637 | * | |
638 | * Returns sglq ponter = success, NULL = Failure. | |
639 | **/ | |
0f65ff68 | 640 | struct lpfc_sglq * |
da0436e9 JS |
641 | __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
642 | { | |
da0436e9 | 643 | struct lpfc_sglq *sglq; |
6d368e53 JS |
644 | |
645 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
da0436e9 JS |
646 | return sglq; |
647 | } | |
648 | ||
19ca7609 | 649 | /** |
1151e3ec | 650 | * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. |
19ca7609 JS |
651 | * @phba: Pointer to HBA context object. |
652 | * @xritag: xri used in this exchange. | |
653 | * @rrq: The RRQ to be cleared. | |
654 | * | |
19ca7609 | 655 | **/ |
1151e3ec JS |
656 | void |
657 | lpfc_clr_rrq_active(struct lpfc_hba *phba, | |
658 | uint16_t xritag, | |
659 | struct lpfc_node_rrq *rrq) | |
19ca7609 | 660 | { |
1151e3ec | 661 | struct lpfc_nodelist *ndlp = NULL; |
19ca7609 | 662 | |
1151e3ec JS |
663 | if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp)) |
664 | ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID); | |
19ca7609 JS |
665 | |
666 | /* The target DID could have been swapped (cable swap) | |
667 | * we should use the ndlp from the findnode if it is | |
668 | * available. | |
669 | */ | |
1151e3ec | 670 | if ((!ndlp) && rrq->ndlp) |
19ca7609 JS |
671 | ndlp = rrq->ndlp; |
672 | ||
1151e3ec JS |
673 | if (!ndlp) |
674 | goto out; | |
675 | ||
cff261f6 | 676 | if (test_and_clear_bit(xritag, ndlp->active_rrqs_xri_bitmap)) { |
19ca7609 JS |
677 | rrq->send_rrq = 0; |
678 | rrq->xritag = 0; | |
679 | rrq->rrq_stop_time = 0; | |
680 | } | |
1151e3ec | 681 | out: |
19ca7609 JS |
682 | mempool_free(rrq, phba->rrq_pool); |
683 | } | |
684 | ||
685 | /** | |
686 | * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV. | |
687 | * @phba: Pointer to HBA context object. | |
688 | * | |
689 | * This function is called with hbalock held. This function | |
690 | * Checks if stop_time (ratov from setting rrq active) has | |
691 | * been reached, if it has and the send_rrq flag is set then | |
692 | * it will call lpfc_send_rrq. If the send_rrq flag is not set | |
693 | * then it will just call the routine to clear the rrq and | |
694 | * free the rrq resource. | |
695 | * The timer is set to the next rrq that is going to expire before | |
696 | * leaving the routine. | |
697 | * | |
698 | **/ | |
699 | void | |
700 | lpfc_handle_rrq_active(struct lpfc_hba *phba) | |
701 | { | |
702 | struct lpfc_node_rrq *rrq; | |
703 | struct lpfc_node_rrq *nextrrq; | |
704 | unsigned long next_time; | |
705 | unsigned long iflags; | |
1151e3ec | 706 | LIST_HEAD(send_rrq); |
19ca7609 JS |
707 | |
708 | spin_lock_irqsave(&phba->hbalock, iflags); | |
709 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
256ec0d0 | 710 | next_time = jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); |
19ca7609 | 711 | list_for_each_entry_safe(rrq, nextrrq, |
1151e3ec JS |
712 | &phba->active_rrq_list, list) { |
713 | if (time_after(jiffies, rrq->rrq_stop_time)) | |
714 | list_move(&rrq->list, &send_rrq); | |
715 | else if (time_before(rrq->rrq_stop_time, next_time)) | |
19ca7609 JS |
716 | next_time = rrq->rrq_stop_time; |
717 | } | |
718 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
06918ac5 JS |
719 | if ((!list_empty(&phba->active_rrq_list)) && |
720 | (!(phba->pport->load_flag & FC_UNLOADING))) | |
19ca7609 | 721 | mod_timer(&phba->rrq_tmr, next_time); |
1151e3ec JS |
722 | list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) { |
723 | list_del(&rrq->list); | |
724 | if (!rrq->send_rrq) | |
725 | /* this call will free the rrq */ | |
726 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
727 | else if (lpfc_send_rrq(phba, rrq)) { | |
728 | /* if we send the rrq then the completion handler | |
729 | * will clear the bit in the xribitmap. | |
730 | */ | |
731 | lpfc_clr_rrq_active(phba, rrq->xritag, | |
732 | rrq); | |
733 | } | |
734 | } | |
19ca7609 JS |
735 | } |
736 | ||
737 | /** | |
738 | * lpfc_get_active_rrq - Get the active RRQ for this exchange. | |
739 | * @vport: Pointer to vport context object. | |
740 | * @xri: The xri used in the exchange. | |
741 | * @did: The targets DID for this exchange. | |
742 | * | |
743 | * returns NULL = rrq not found in the phba->active_rrq_list. | |
744 | * rrq = rrq for this xri and target. | |
745 | **/ | |
746 | struct lpfc_node_rrq * | |
747 | lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did) | |
748 | { | |
749 | struct lpfc_hba *phba = vport->phba; | |
750 | struct lpfc_node_rrq *rrq; | |
751 | struct lpfc_node_rrq *nextrrq; | |
752 | unsigned long iflags; | |
753 | ||
754 | if (phba->sli_rev != LPFC_SLI_REV4) | |
755 | return NULL; | |
756 | spin_lock_irqsave(&phba->hbalock, iflags); | |
757 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { | |
758 | if (rrq->vport == vport && rrq->xritag == xri && | |
759 | rrq->nlp_DID == did){ | |
760 | list_del(&rrq->list); | |
761 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
762 | return rrq; | |
763 | } | |
764 | } | |
765 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
766 | return NULL; | |
767 | } | |
768 | ||
769 | /** | |
770 | * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport. | |
771 | * @vport: Pointer to vport context object. | |
1151e3ec JS |
772 | * @ndlp: Pointer to the lpfc_node_list structure. |
773 | * If ndlp is NULL Remove all active RRQs for this vport from the | |
774 | * phba->active_rrq_list and clear the rrq. | |
775 | * If ndlp is not NULL then only remove rrqs for this vport & this ndlp. | |
19ca7609 JS |
776 | **/ |
777 | void | |
1151e3ec | 778 | lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
19ca7609 JS |
779 | |
780 | { | |
781 | struct lpfc_hba *phba = vport->phba; | |
782 | struct lpfc_node_rrq *rrq; | |
783 | struct lpfc_node_rrq *nextrrq; | |
784 | unsigned long iflags; | |
1151e3ec | 785 | LIST_HEAD(rrq_list); |
19ca7609 JS |
786 | |
787 | if (phba->sli_rev != LPFC_SLI_REV4) | |
788 | return; | |
1151e3ec JS |
789 | if (!ndlp) { |
790 | lpfc_sli4_vport_delete_els_xri_aborted(vport); | |
791 | lpfc_sli4_vport_delete_fcp_xri_aborted(vport); | |
19ca7609 | 792 | } |
1151e3ec JS |
793 | spin_lock_irqsave(&phba->hbalock, iflags); |
794 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) | |
795 | if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp)) | |
796 | list_move(&rrq->list, &rrq_list); | |
19ca7609 | 797 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
1151e3ec JS |
798 | |
799 | list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) { | |
800 | list_del(&rrq->list); | |
801 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
802 | } | |
19ca7609 JS |
803 | } |
804 | ||
19ca7609 | 805 | /** |
1151e3ec | 806 | * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. |
19ca7609 JS |
807 | * @phba: Pointer to HBA context object. |
808 | * @ndlp: Targets nodelist pointer for this exchange. | |
809 | * @xritag the xri in the bitmap to test. | |
810 | * | |
811 | * This function is called with hbalock held. This function | |
812 | * returns 0 = rrq not active for this xri | |
813 | * 1 = rrq is valid for this xri. | |
814 | **/ | |
1151e3ec JS |
815 | int |
816 | lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
19ca7609 JS |
817 | uint16_t xritag) |
818 | { | |
1c2ba475 | 819 | lockdep_assert_held(&phba->hbalock); |
19ca7609 JS |
820 | if (!ndlp) |
821 | return 0; | |
cff261f6 JS |
822 | if (!ndlp->active_rrqs_xri_bitmap) |
823 | return 0; | |
824 | if (test_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
19ca7609 JS |
825 | return 1; |
826 | else | |
827 | return 0; | |
828 | } | |
829 | ||
830 | /** | |
831 | * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap. | |
832 | * @phba: Pointer to HBA context object. | |
833 | * @ndlp: nodelist pointer for this target. | |
834 | * @xritag: xri used in this exchange. | |
835 | * @rxid: Remote Exchange ID. | |
836 | * @send_rrq: Flag used to determine if we should send rrq els cmd. | |
837 | * | |
838 | * This function takes the hbalock. | |
839 | * The active bit is always set in the active rrq xri_bitmap even | |
840 | * if there is no slot avaiable for the other rrq information. | |
841 | * | |
842 | * returns 0 rrq actived for this xri | |
843 | * < 0 No memory or invalid ndlp. | |
844 | **/ | |
845 | int | |
846 | lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
b42c07c8 | 847 | uint16_t xritag, uint16_t rxid, uint16_t send_rrq) |
19ca7609 | 848 | { |
19ca7609 | 849 | unsigned long iflags; |
b42c07c8 JS |
850 | struct lpfc_node_rrq *rrq; |
851 | int empty; | |
852 | ||
853 | if (!ndlp) | |
854 | return -EINVAL; | |
855 | ||
856 | if (!phba->cfg_enable_rrq) | |
857 | return -EINVAL; | |
19ca7609 JS |
858 | |
859 | spin_lock_irqsave(&phba->hbalock, iflags); | |
b42c07c8 JS |
860 | if (phba->pport->load_flag & FC_UNLOADING) { |
861 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
862 | goto out; | |
863 | } | |
864 | ||
865 | /* | |
866 | * set the active bit even if there is no mem available. | |
867 | */ | |
868 | if (NLP_CHK_FREE_REQ(ndlp)) | |
869 | goto out; | |
870 | ||
871 | if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) | |
872 | goto out; | |
873 | ||
cff261f6 JS |
874 | if (!ndlp->active_rrqs_xri_bitmap) |
875 | goto out; | |
876 | ||
877 | if (test_and_set_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
b42c07c8 JS |
878 | goto out; |
879 | ||
19ca7609 | 880 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
b42c07c8 JS |
881 | rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); |
882 | if (!rrq) { | |
883 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
884 | "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" | |
885 | " DID:0x%x Send:%d\n", | |
886 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
887 | return -EINVAL; | |
888 | } | |
e5771b4d JS |
889 | if (phba->cfg_enable_rrq == 1) |
890 | rrq->send_rrq = send_rrq; | |
891 | else | |
892 | rrq->send_rrq = 0; | |
b42c07c8 | 893 | rrq->xritag = xritag; |
256ec0d0 JS |
894 | rrq->rrq_stop_time = jiffies + |
895 | msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); | |
b42c07c8 JS |
896 | rrq->ndlp = ndlp; |
897 | rrq->nlp_DID = ndlp->nlp_DID; | |
898 | rrq->vport = ndlp->vport; | |
899 | rrq->rxid = rxid; | |
b42c07c8 JS |
900 | spin_lock_irqsave(&phba->hbalock, iflags); |
901 | empty = list_empty(&phba->active_rrq_list); | |
902 | list_add_tail(&rrq->list, &phba->active_rrq_list); | |
903 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
904 | if (empty) | |
905 | lpfc_worker_wake_up(phba); | |
906 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
907 | return 0; | |
908 | out: | |
909 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
910 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
911 | "2921 Can't set rrq active xri:0x%x rxid:0x%x" | |
912 | " DID:0x%x Send:%d\n", | |
913 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
914 | return -EINVAL; | |
19ca7609 JS |
915 | } |
916 | ||
da0436e9 | 917 | /** |
895427bd | 918 | * __lpfc_sli_get_els_sglq - Allocates an iocb object from sgl pool |
da0436e9 | 919 | * @phba: Pointer to HBA context object. |
19ca7609 | 920 | * @piocb: Pointer to the iocbq. |
da0436e9 | 921 | * |
dafe8cea | 922 | * This function is called with the ring lock held. This function |
6d368e53 | 923 | * gets a new driver sglq object from the sglq list. If the |
da0436e9 JS |
924 | * list is not empty then it is successful, it returns pointer to the newly |
925 | * allocated sglq object else it returns NULL. | |
926 | **/ | |
927 | static struct lpfc_sglq * | |
895427bd | 928 | __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) |
da0436e9 | 929 | { |
895427bd | 930 | struct list_head *lpfc_els_sgl_list = &phba->sli4_hba.lpfc_els_sgl_list; |
da0436e9 | 931 | struct lpfc_sglq *sglq = NULL; |
19ca7609 | 932 | struct lpfc_sglq *start_sglq = NULL; |
19ca7609 JS |
933 | struct lpfc_scsi_buf *lpfc_cmd; |
934 | struct lpfc_nodelist *ndlp; | |
935 | int found = 0; | |
936 | ||
1c2ba475 JT |
937 | lockdep_assert_held(&phba->hbalock); |
938 | ||
19ca7609 JS |
939 | if (piocbq->iocb_flag & LPFC_IO_FCP) { |
940 | lpfc_cmd = (struct lpfc_scsi_buf *) piocbq->context1; | |
941 | ndlp = lpfc_cmd->rdata->pnode; | |
be858b65 | 942 | } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && |
6c7cf486 | 943 | !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) { |
19ca7609 | 944 | ndlp = piocbq->context_un.ndlp; |
6c7cf486 JS |
945 | } else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) { |
946 | if (piocbq->iocb_flag & LPFC_IO_LOOPBACK) | |
947 | ndlp = NULL; | |
948 | else | |
949 | ndlp = piocbq->context_un.ndlp; | |
950 | } else { | |
19ca7609 | 951 | ndlp = piocbq->context1; |
6c7cf486 | 952 | } |
19ca7609 | 953 | |
895427bd JS |
954 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
955 | list_remove_head(lpfc_els_sgl_list, sglq, struct lpfc_sglq, list); | |
19ca7609 JS |
956 | start_sglq = sglq; |
957 | while (!found) { | |
958 | if (!sglq) | |
d11f54b7 | 959 | break; |
895427bd JS |
960 | if (ndlp && ndlp->active_rrqs_xri_bitmap && |
961 | test_bit(sglq->sli4_lxritag, | |
962 | ndlp->active_rrqs_xri_bitmap)) { | |
19ca7609 JS |
963 | /* This xri has an rrq outstanding for this DID. |
964 | * put it back in the list and get another xri. | |
965 | */ | |
895427bd | 966 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 | 967 | sglq = NULL; |
895427bd | 968 | list_remove_head(lpfc_els_sgl_list, sglq, |
19ca7609 JS |
969 | struct lpfc_sglq, list); |
970 | if (sglq == start_sglq) { | |
971 | sglq = NULL; | |
972 | break; | |
973 | } else | |
974 | continue; | |
975 | } | |
976 | sglq->ndlp = ndlp; | |
977 | found = 1; | |
6d368e53 | 978 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; |
19ca7609 JS |
979 | sglq->state = SGL_ALLOCATED; |
980 | } | |
895427bd | 981 | spin_unlock(&phba->sli4_hba.sgl_list_lock); |
da0436e9 JS |
982 | return sglq; |
983 | } | |
984 | ||
f358dd0c JS |
985 | /** |
986 | * __lpfc_sli_get_nvmet_sglq - Allocates an iocb object from sgl pool | |
987 | * @phba: Pointer to HBA context object. | |
988 | * @piocb: Pointer to the iocbq. | |
989 | * | |
990 | * This function is called with the sgl_list lock held. This function | |
991 | * gets a new driver sglq object from the sglq list. If the | |
992 | * list is not empty then it is successful, it returns pointer to the newly | |
993 | * allocated sglq object else it returns NULL. | |
994 | **/ | |
995 | struct lpfc_sglq * | |
996 | __lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) | |
997 | { | |
998 | struct list_head *lpfc_nvmet_sgl_list; | |
999 | struct lpfc_sglq *sglq = NULL; | |
1000 | ||
1001 | lpfc_nvmet_sgl_list = &phba->sli4_hba.lpfc_nvmet_sgl_list; | |
1002 | ||
1003 | lockdep_assert_held(&phba->sli4_hba.sgl_list_lock); | |
1004 | ||
1005 | list_remove_head(lpfc_nvmet_sgl_list, sglq, struct lpfc_sglq, list); | |
1006 | if (!sglq) | |
1007 | return NULL; | |
1008 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; | |
1009 | sglq->state = SGL_ALLOCATED; | |
da0436e9 JS |
1010 | return sglq; |
1011 | } | |
1012 | ||
e59058c4 | 1013 | /** |
3621a710 | 1014 | * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
1015 | * @phba: Pointer to HBA context object. |
1016 | * | |
1017 | * This function is called with no lock held. This function | |
1018 | * allocates a new driver iocb object from the iocb pool. If the | |
1019 | * allocation is successful, it returns pointer to the newly | |
1020 | * allocated iocb object else it returns NULL. | |
1021 | **/ | |
2e0fef85 JS |
1022 | struct lpfc_iocbq * |
1023 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
1024 | { | |
1025 | struct lpfc_iocbq * iocbq = NULL; | |
1026 | unsigned long iflags; | |
1027 | ||
1028 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1029 | iocbq = __lpfc_sli_get_iocbq(phba); | |
1030 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1031 | return iocbq; | |
1032 | } | |
1033 | ||
4f774513 JS |
1034 | /** |
1035 | * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool | |
1036 | * @phba: Pointer to HBA context object. | |
1037 | * @iocbq: Pointer to driver iocb object. | |
1038 | * | |
1039 | * This function is called with hbalock held to release driver | |
1040 | * iocb object to the iocb pool. The iotag in the iocb object | |
1041 | * does not change for each use of the iocb object. This function | |
1042 | * clears all other fields of the iocb object when it is freed. | |
1043 | * The sqlq structure that holds the xritag and phys and virtual | |
1044 | * mappings for the scatter gather list is retrieved from the | |
1045 | * active array of sglq. The get of the sglq pointer also clears | |
1046 | * the entry in the array. If the status of the IO indiactes that | |
1047 | * this IO was aborted then the sglq entry it put on the | |
1048 | * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the | |
1049 | * IO has good status or fails for any other reason then the sglq | |
895427bd | 1050 | * entry is added to the free list (lpfc_els_sgl_list). |
4f774513 JS |
1051 | **/ |
1052 | static void | |
1053 | __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1054 | { | |
1055 | struct lpfc_sglq *sglq; | |
1056 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); | |
2a9bf3d0 | 1057 | unsigned long iflag = 0; |
895427bd | 1058 | struct lpfc_sli_ring *pring; |
4f774513 | 1059 | |
1c2ba475 JT |
1060 | lockdep_assert_held(&phba->hbalock); |
1061 | ||
4f774513 JS |
1062 | if (iocbq->sli4_xritag == NO_XRI) |
1063 | sglq = NULL; | |
1064 | else | |
6d368e53 JS |
1065 | sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag); |
1066 | ||
0e9bb8d7 | 1067 | |
4f774513 | 1068 | if (sglq) { |
f358dd0c JS |
1069 | if (iocbq->iocb_flag & LPFC_IO_NVMET) { |
1070 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, | |
1071 | iflag); | |
1072 | sglq->state = SGL_FREED; | |
1073 | sglq->ndlp = NULL; | |
1074 | list_add_tail(&sglq->list, | |
1075 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
1076 | spin_unlock_irqrestore( | |
1077 | &phba->sli4_hba.sgl_list_lock, iflag); | |
1078 | goto out; | |
1079 | } | |
1080 | ||
895427bd | 1081 | pring = phba->sli4_hba.els_wq->pring; |
0f65ff68 JS |
1082 | if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) && |
1083 | (sglq->state != SGL_XRI_ABORTED)) { | |
895427bd JS |
1084 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1085 | iflag); | |
4f774513 | 1086 | list_add(&sglq->list, |
895427bd | 1087 | &phba->sli4_hba.lpfc_abts_els_sgl_list); |
4f774513 | 1088 | spin_unlock_irqrestore( |
895427bd | 1089 | &phba->sli4_hba.sgl_list_lock, iflag); |
0f65ff68 | 1090 | } else { |
895427bd JS |
1091 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1092 | iflag); | |
0f65ff68 | 1093 | sglq->state = SGL_FREED; |
19ca7609 | 1094 | sglq->ndlp = NULL; |
fedd3b7b | 1095 | list_add_tail(&sglq->list, |
895427bd JS |
1096 | &phba->sli4_hba.lpfc_els_sgl_list); |
1097 | spin_unlock_irqrestore( | |
1098 | &phba->sli4_hba.sgl_list_lock, iflag); | |
2a9bf3d0 JS |
1099 | |
1100 | /* Check if TXQ queue needs to be serviced */ | |
0e9bb8d7 | 1101 | if (!list_empty(&pring->txq)) |
2a9bf3d0 | 1102 | lpfc_worker_wake_up(phba); |
0f65ff68 | 1103 | } |
4f774513 JS |
1104 | } |
1105 | ||
f358dd0c | 1106 | out: |
4f774513 JS |
1107 | /* |
1108 | * Clean all volatile data fields, preserve iotag and node struct. | |
1109 | */ | |
1110 | memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
6d368e53 | 1111 | iocbq->sli4_lxritag = NO_XRI; |
4f774513 | 1112 | iocbq->sli4_xritag = NO_XRI; |
f358dd0c JS |
1113 | iocbq->iocb_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | |
1114 | LPFC_IO_NVME_LS); | |
4f774513 JS |
1115 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1116 | } | |
1117 | ||
2a9bf3d0 | 1118 | |
e59058c4 | 1119 | /** |
3772a991 | 1120 | * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool |
e59058c4 JS |
1121 | * @phba: Pointer to HBA context object. |
1122 | * @iocbq: Pointer to driver iocb object. | |
1123 | * | |
1124 | * This function is called with hbalock held to release driver | |
1125 | * iocb object to the iocb pool. The iotag in the iocb object | |
1126 | * does not change for each use of the iocb object. This function | |
1127 | * clears all other fields of the iocb object when it is freed. | |
1128 | **/ | |
a6ababd2 | 1129 | static void |
3772a991 | 1130 | __lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 1131 | { |
2e0fef85 | 1132 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 | 1133 | |
1c2ba475 | 1134 | lockdep_assert_held(&phba->hbalock); |
0e9bb8d7 | 1135 | |
604a3e30 JB |
1136 | /* |
1137 | * Clean all volatile data fields, preserve iotag and node struct. | |
1138 | */ | |
1139 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
3772a991 | 1140 | iocbq->sli4_xritag = NO_XRI; |
604a3e30 JB |
1141 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1142 | } | |
1143 | ||
3772a991 JS |
1144 | /** |
1145 | * __lpfc_sli_release_iocbq - Release iocb to the iocb pool | |
1146 | * @phba: Pointer to HBA context object. | |
1147 | * @iocbq: Pointer to driver iocb object. | |
1148 | * | |
1149 | * This function is called with hbalock held to release driver | |
1150 | * iocb object to the iocb pool. The iotag in the iocb object | |
1151 | * does not change for each use of the iocb object. This function | |
1152 | * clears all other fields of the iocb object when it is freed. | |
1153 | **/ | |
1154 | static void | |
1155 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1156 | { | |
1c2ba475 JT |
1157 | lockdep_assert_held(&phba->hbalock); |
1158 | ||
3772a991 | 1159 | phba->__lpfc_sli_release_iocbq(phba, iocbq); |
2a9bf3d0 | 1160 | phba->iocb_cnt--; |
3772a991 JS |
1161 | } |
1162 | ||
e59058c4 | 1163 | /** |
3621a710 | 1164 | * lpfc_sli_release_iocbq - Release iocb to the iocb pool |
e59058c4 JS |
1165 | * @phba: Pointer to HBA context object. |
1166 | * @iocbq: Pointer to driver iocb object. | |
1167 | * | |
1168 | * This function is called with no lock held to release the iocb to | |
1169 | * iocb pool. | |
1170 | **/ | |
2e0fef85 JS |
1171 | void |
1172 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1173 | { | |
1174 | unsigned long iflags; | |
1175 | ||
1176 | /* | |
1177 | * Clean all volatile data fields, preserve iotag and node struct. | |
1178 | */ | |
1179 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1180 | __lpfc_sli_release_iocbq(phba, iocbq); | |
1181 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1182 | } | |
1183 | ||
a257bf90 JS |
1184 | /** |
1185 | * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. | |
1186 | * @phba: Pointer to HBA context object. | |
1187 | * @iocblist: List of IOCBs. | |
1188 | * @ulpstatus: ULP status in IOCB command field. | |
1189 | * @ulpWord4: ULP word-4 in IOCB command field. | |
1190 | * | |
1191 | * This function is called with a list of IOCBs to cancel. It cancels the IOCB | |
1192 | * on the list by invoking the complete callback function associated with the | |
1193 | * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond | |
1194 | * fields. | |
1195 | **/ | |
1196 | void | |
1197 | lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, | |
1198 | uint32_t ulpstatus, uint32_t ulpWord4) | |
1199 | { | |
1200 | struct lpfc_iocbq *piocb; | |
1201 | ||
1202 | while (!list_empty(iocblist)) { | |
1203 | list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); | |
a257bf90 JS |
1204 | if (!piocb->iocb_cmpl) |
1205 | lpfc_sli_release_iocbq(phba, piocb); | |
1206 | else { | |
1207 | piocb->iocb.ulpStatus = ulpstatus; | |
1208 | piocb->iocb.un.ulpWord[4] = ulpWord4; | |
1209 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
1210 | } | |
1211 | } | |
1212 | return; | |
1213 | } | |
1214 | ||
e59058c4 | 1215 | /** |
3621a710 JS |
1216 | * lpfc_sli_iocb_cmd_type - Get the iocb type |
1217 | * @iocb_cmnd: iocb command code. | |
e59058c4 JS |
1218 | * |
1219 | * This function is called by ring event handler function to get the iocb type. | |
1220 | * This function translates the iocb command to an iocb command type used to | |
1221 | * decide the final disposition of each completed IOCB. | |
1222 | * The function returns | |
1223 | * LPFC_UNKNOWN_IOCB if it is an unsupported iocb | |
1224 | * LPFC_SOL_IOCB if it is a solicited iocb completion | |
1225 | * LPFC_ABORT_IOCB if it is an abort iocb | |
1226 | * LPFC_UNSOL_IOCB if it is an unsolicited iocb | |
1227 | * | |
1228 | * The caller is not required to hold any lock. | |
1229 | **/ | |
dea3101e JB |
1230 | static lpfc_iocb_type |
1231 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
1232 | { | |
1233 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
1234 | ||
1235 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
1236 | return 0; | |
1237 | ||
1238 | switch (iocb_cmnd) { | |
1239 | case CMD_XMIT_SEQUENCE_CR: | |
1240 | case CMD_XMIT_SEQUENCE_CX: | |
1241 | case CMD_XMIT_BCAST_CN: | |
1242 | case CMD_XMIT_BCAST_CX: | |
1243 | case CMD_ELS_REQUEST_CR: | |
1244 | case CMD_ELS_REQUEST_CX: | |
1245 | case CMD_CREATE_XRI_CR: | |
1246 | case CMD_CREATE_XRI_CX: | |
1247 | case CMD_GET_RPI_CN: | |
1248 | case CMD_XMIT_ELS_RSP_CX: | |
1249 | case CMD_GET_RPI_CR: | |
1250 | case CMD_FCP_IWRITE_CR: | |
1251 | case CMD_FCP_IWRITE_CX: | |
1252 | case CMD_FCP_IREAD_CR: | |
1253 | case CMD_FCP_IREAD_CX: | |
1254 | case CMD_FCP_ICMND_CR: | |
1255 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
1256 | case CMD_FCP_TSEND_CX: |
1257 | case CMD_FCP_TRSP_CX: | |
1258 | case CMD_FCP_TRECEIVE_CX: | |
1259 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e JB |
1260 | case CMD_ADAPTER_MSG: |
1261 | case CMD_ADAPTER_DUMP: | |
1262 | case CMD_XMIT_SEQUENCE64_CR: | |
1263 | case CMD_XMIT_SEQUENCE64_CX: | |
1264 | case CMD_XMIT_BCAST64_CN: | |
1265 | case CMD_XMIT_BCAST64_CX: | |
1266 | case CMD_ELS_REQUEST64_CR: | |
1267 | case CMD_ELS_REQUEST64_CX: | |
1268 | case CMD_FCP_IWRITE64_CR: | |
1269 | case CMD_FCP_IWRITE64_CX: | |
1270 | case CMD_FCP_IREAD64_CR: | |
1271 | case CMD_FCP_IREAD64_CX: | |
1272 | case CMD_FCP_ICMND64_CR: | |
1273 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
1274 | case CMD_FCP_TSEND64_CX: |
1275 | case CMD_FCP_TRSP64_CX: | |
1276 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e JB |
1277 | case CMD_GEN_REQUEST64_CR: |
1278 | case CMD_GEN_REQUEST64_CX: | |
1279 | case CMD_XMIT_ELS_RSP64_CX: | |
da0436e9 JS |
1280 | case DSSCMD_IWRITE64_CR: |
1281 | case DSSCMD_IWRITE64_CX: | |
1282 | case DSSCMD_IREAD64_CR: | |
1283 | case DSSCMD_IREAD64_CX: | |
dea3101e JB |
1284 | type = LPFC_SOL_IOCB; |
1285 | break; | |
1286 | case CMD_ABORT_XRI_CN: | |
1287 | case CMD_ABORT_XRI_CX: | |
1288 | case CMD_CLOSE_XRI_CN: | |
1289 | case CMD_CLOSE_XRI_CX: | |
1290 | case CMD_XRI_ABORTED_CX: | |
1291 | case CMD_ABORT_MXRI64_CN: | |
6669f9bb | 1292 | case CMD_XMIT_BLS_RSP64_CX: |
dea3101e JB |
1293 | type = LPFC_ABORT_IOCB; |
1294 | break; | |
1295 | case CMD_RCV_SEQUENCE_CX: | |
1296 | case CMD_RCV_ELS_REQ_CX: | |
1297 | case CMD_RCV_SEQUENCE64_CX: | |
1298 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 1299 | case CMD_ASYNC_STATUS: |
ed957684 JS |
1300 | case CMD_IOCB_RCV_SEQ64_CX: |
1301 | case CMD_IOCB_RCV_ELS64_CX: | |
1302 | case CMD_IOCB_RCV_CONT64_CX: | |
3163f725 | 1303 | case CMD_IOCB_RET_XRI64_CX: |
dea3101e JB |
1304 | type = LPFC_UNSOL_IOCB; |
1305 | break; | |
3163f725 JS |
1306 | case CMD_IOCB_XMIT_MSEQ64_CR: |
1307 | case CMD_IOCB_XMIT_MSEQ64_CX: | |
1308 | case CMD_IOCB_RCV_SEQ_LIST64_CX: | |
1309 | case CMD_IOCB_RCV_ELS_LIST64_CX: | |
1310 | case CMD_IOCB_CLOSE_EXTENDED_CN: | |
1311 | case CMD_IOCB_ABORT_EXTENDED_CN: | |
1312 | case CMD_IOCB_RET_HBQE64_CN: | |
1313 | case CMD_IOCB_FCP_IBIDIR64_CR: | |
1314 | case CMD_IOCB_FCP_IBIDIR64_CX: | |
1315 | case CMD_IOCB_FCP_ITASKMGT64_CX: | |
1316 | case CMD_IOCB_LOGENTRY_CN: | |
1317 | case CMD_IOCB_LOGENTRY_ASYNC_CN: | |
1318 | printk("%s - Unhandled SLI-3 Command x%x\n", | |
cadbd4a5 | 1319 | __func__, iocb_cmnd); |
3163f725 JS |
1320 | type = LPFC_UNKNOWN_IOCB; |
1321 | break; | |
dea3101e JB |
1322 | default: |
1323 | type = LPFC_UNKNOWN_IOCB; | |
1324 | break; | |
1325 | } | |
1326 | ||
1327 | return type; | |
1328 | } | |
1329 | ||
e59058c4 | 1330 | /** |
3621a710 | 1331 | * lpfc_sli_ring_map - Issue config_ring mbox for all rings |
e59058c4 JS |
1332 | * @phba: Pointer to HBA context object. |
1333 | * | |
1334 | * This function is called from SLI initialization code | |
1335 | * to configure every ring of the HBA's SLI interface. The | |
1336 | * caller is not required to hold any lock. This function issues | |
1337 | * a config_ring mailbox command for each ring. | |
1338 | * This function returns zero if successful else returns a negative | |
1339 | * error code. | |
1340 | **/ | |
dea3101e | 1341 | static int |
ed957684 | 1342 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e JB |
1343 | { |
1344 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
1345 | LPFC_MBOXQ_t *pmb; |
1346 | MAILBOX_t *pmbox; | |
1347 | int i, rc, ret = 0; | |
dea3101e | 1348 | |
ed957684 JS |
1349 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1350 | if (!pmb) | |
1351 | return -ENOMEM; | |
04c68496 | 1352 | pmbox = &pmb->u.mb; |
ed957684 | 1353 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 1354 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e JB |
1355 | lpfc_config_ring(phba, i, pmb); |
1356 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
1357 | if (rc != MBX_SUCCESS) { | |
92d7f7b0 | 1358 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 1359 | "0446 Adapter failed to init (%d), " |
dea3101e JB |
1360 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
1361 | "ring %d\n", | |
e8b62011 JS |
1362 | rc, pmbox->mbxCommand, |
1363 | pmbox->mbxStatus, i); | |
2e0fef85 | 1364 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
1365 | ret = -ENXIO; |
1366 | break; | |
dea3101e JB |
1367 | } |
1368 | } | |
ed957684 JS |
1369 | mempool_free(pmb, phba->mbox_mem_pool); |
1370 | return ret; | |
dea3101e JB |
1371 | } |
1372 | ||
e59058c4 | 1373 | /** |
3621a710 | 1374 | * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq |
e59058c4 JS |
1375 | * @phba: Pointer to HBA context object. |
1376 | * @pring: Pointer to driver SLI ring object. | |
1377 | * @piocb: Pointer to the driver iocb object. | |
1378 | * | |
1379 | * This function is called with hbalock held. The function adds the | |
1380 | * new iocb to txcmplq of the given ring. This function always returns | |
1381 | * 0. If this function is called for ELS ring, this function checks if | |
1382 | * there is a vport associated with the ELS command. This function also | |
1383 | * starts els_tmofunc timer if this is an ELS command. | |
1384 | **/ | |
dea3101e | 1385 | static int |
2e0fef85 JS |
1386 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
1387 | struct lpfc_iocbq *piocb) | |
dea3101e | 1388 | { |
1c2ba475 JT |
1389 | lockdep_assert_held(&phba->hbalock); |
1390 | ||
2319f847 | 1391 | BUG_ON(!piocb); |
22466da5 | 1392 | |
dea3101e | 1393 | list_add_tail(&piocb->list, &pring->txcmplq); |
4f2e66c6 | 1394 | piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ; |
2a9bf3d0 | 1395 | |
92d7f7b0 JS |
1396 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
1397 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
2319f847 MFO |
1398 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { |
1399 | BUG_ON(!piocb->vport); | |
1400 | if (!(piocb->vport->load_flag & FC_UNLOADING)) | |
1401 | mod_timer(&piocb->vport->els_tmofunc, | |
1402 | jiffies + | |
1403 | msecs_to_jiffies(1000 * (phba->fc_ratov << 1))); | |
1404 | } | |
dea3101e | 1405 | |
2e0fef85 | 1406 | return 0; |
dea3101e JB |
1407 | } |
1408 | ||
e59058c4 | 1409 | /** |
3621a710 | 1410 | * lpfc_sli_ringtx_get - Get first element of the txq |
e59058c4 JS |
1411 | * @phba: Pointer to HBA context object. |
1412 | * @pring: Pointer to driver SLI ring object. | |
1413 | * | |
1414 | * This function is called with hbalock held to get next | |
1415 | * iocb in txq of the given ring. If there is any iocb in | |
1416 | * the txq, the function returns first iocb in the list after | |
1417 | * removing the iocb from the list, else it returns NULL. | |
1418 | **/ | |
2a9bf3d0 | 1419 | struct lpfc_iocbq * |
2e0fef85 | 1420 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1421 | { |
dea3101e JB |
1422 | struct lpfc_iocbq *cmd_iocb; |
1423 | ||
1c2ba475 JT |
1424 | lockdep_assert_held(&phba->hbalock); |
1425 | ||
858c9f6c | 1426 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
2e0fef85 | 1427 | return cmd_iocb; |
dea3101e JB |
1428 | } |
1429 | ||
e59058c4 | 1430 | /** |
3621a710 | 1431 | * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring |
e59058c4 JS |
1432 | * @phba: Pointer to HBA context object. |
1433 | * @pring: Pointer to driver SLI ring object. | |
1434 | * | |
1435 | * This function is called with hbalock held and the caller must post the | |
1436 | * iocb without releasing the lock. If the caller releases the lock, | |
1437 | * iocb slot returned by the function is not guaranteed to be available. | |
1438 | * The function returns pointer to the next available iocb slot if there | |
1439 | * is available slot in the ring, else it returns NULL. | |
1440 | * If the get index of the ring is ahead of the put index, the function | |
1441 | * will post an error attention event to the worker thread to take the | |
1442 | * HBA to offline state. | |
1443 | **/ | |
dea3101e JB |
1444 | static IOCB_t * |
1445 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
1446 | { | |
34b02dcd | 1447 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
7e56aa25 | 1448 | uint32_t max_cmd_idx = pring->sli.sli3.numCiocb; |
1c2ba475 JT |
1449 | |
1450 | lockdep_assert_held(&phba->hbalock); | |
1451 | ||
7e56aa25 JS |
1452 | if ((pring->sli.sli3.next_cmdidx == pring->sli.sli3.cmdidx) && |
1453 | (++pring->sli.sli3.next_cmdidx >= max_cmd_idx)) | |
1454 | pring->sli.sli3.next_cmdidx = 0; | |
dea3101e | 1455 | |
7e56aa25 JS |
1456 | if (unlikely(pring->sli.sli3.local_getidx == |
1457 | pring->sli.sli3.next_cmdidx)) { | |
dea3101e | 1458 | |
7e56aa25 | 1459 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e | 1460 | |
7e56aa25 | 1461 | if (unlikely(pring->sli.sli3.local_getidx >= max_cmd_idx)) { |
dea3101e | 1462 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1463 | "0315 Ring %d issue: portCmdGet %d " |
025dfdaf | 1464 | "is bigger than cmd ring %d\n", |
e8b62011 | 1465 | pring->ringno, |
7e56aa25 JS |
1466 | pring->sli.sli3.local_getidx, |
1467 | max_cmd_idx); | |
dea3101e | 1468 | |
2e0fef85 | 1469 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
1470 | /* |
1471 | * All error attention handlers are posted to | |
1472 | * worker thread | |
1473 | */ | |
1474 | phba->work_ha |= HA_ERATT; | |
1475 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 1476 | |
5e9d9b82 | 1477 | lpfc_worker_wake_up(phba); |
dea3101e JB |
1478 | |
1479 | return NULL; | |
1480 | } | |
1481 | ||
7e56aa25 | 1482 | if (pring->sli.sli3.local_getidx == pring->sli.sli3.next_cmdidx) |
dea3101e JB |
1483 | return NULL; |
1484 | } | |
1485 | ||
ed957684 | 1486 | return lpfc_cmd_iocb(phba, pring); |
dea3101e JB |
1487 | } |
1488 | ||
e59058c4 | 1489 | /** |
3621a710 | 1490 | * lpfc_sli_next_iotag - Get an iotag for the iocb |
e59058c4 JS |
1491 | * @phba: Pointer to HBA context object. |
1492 | * @iocbq: Pointer to driver iocb object. | |
1493 | * | |
1494 | * This function gets an iotag for the iocb. If there is no unused iotag and | |
1495 | * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup | |
1496 | * array and assigns a new iotag. | |
1497 | * The function returns the allocated iotag if successful, else returns zero. | |
1498 | * Zero is not a valid iotag. | |
1499 | * The caller is not required to hold any lock. | |
1500 | **/ | |
604a3e30 | 1501 | uint16_t |
2e0fef85 | 1502 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 1503 | { |
2e0fef85 JS |
1504 | struct lpfc_iocbq **new_arr; |
1505 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
1506 | size_t new_len; |
1507 | struct lpfc_sli *psli = &phba->sli; | |
1508 | uint16_t iotag; | |
dea3101e | 1509 | |
2e0fef85 | 1510 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1511 | iotag = psli->last_iotag; |
1512 | if(++iotag < psli->iocbq_lookup_len) { | |
1513 | psli->last_iotag = iotag; | |
1514 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1515 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1516 | iocbq->iotag = iotag; |
1517 | return iotag; | |
2e0fef85 | 1518 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
1519 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
1520 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 JS |
1521 | spin_unlock_irq(&phba->hbalock); |
1522 | new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *), | |
604a3e30 JB |
1523 | GFP_KERNEL); |
1524 | if (new_arr) { | |
2e0fef85 | 1525 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1526 | old_arr = psli->iocbq_lookup; |
1527 | if (new_len <= psli->iocbq_lookup_len) { | |
1528 | /* highly unprobable case */ | |
1529 | kfree(new_arr); | |
1530 | iotag = psli->last_iotag; | |
1531 | if(++iotag < psli->iocbq_lookup_len) { | |
1532 | psli->last_iotag = iotag; | |
1533 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1534 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1535 | iocbq->iotag = iotag; |
1536 | return iotag; | |
1537 | } | |
2e0fef85 | 1538 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1539 | return 0; |
1540 | } | |
1541 | if (psli->iocbq_lookup) | |
1542 | memcpy(new_arr, old_arr, | |
1543 | ((psli->last_iotag + 1) * | |
311464ec | 1544 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
1545 | psli->iocbq_lookup = new_arr; |
1546 | psli->iocbq_lookup_len = new_len; | |
1547 | psli->last_iotag = iotag; | |
1548 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1549 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1550 | iocbq->iotag = iotag; |
1551 | kfree(old_arr); | |
1552 | return iotag; | |
1553 | } | |
8f6d98d2 | 1554 | } else |
2e0fef85 | 1555 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1556 | |
bc73905a | 1557 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
1558 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
1559 | psli->last_iotag); | |
dea3101e | 1560 | |
604a3e30 | 1561 | return 0; |
dea3101e JB |
1562 | } |
1563 | ||
e59058c4 | 1564 | /** |
3621a710 | 1565 | * lpfc_sli_submit_iocb - Submit an iocb to the firmware |
e59058c4 JS |
1566 | * @phba: Pointer to HBA context object. |
1567 | * @pring: Pointer to driver SLI ring object. | |
1568 | * @iocb: Pointer to iocb slot in the ring. | |
1569 | * @nextiocb: Pointer to driver iocb object which need to be | |
1570 | * posted to firmware. | |
1571 | * | |
1572 | * This function is called with hbalock held to post a new iocb to | |
1573 | * the firmware. This function copies the new iocb to ring iocb slot and | |
1574 | * updates the ring pointers. It adds the new iocb to txcmplq if there is | |
1575 | * a completion call back for this iocb else the function will free the | |
1576 | * iocb object. | |
1577 | **/ | |
dea3101e JB |
1578 | static void |
1579 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
1580 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
1581 | { | |
1c2ba475 | 1582 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 1583 | /* |
604a3e30 | 1584 | * Set up an iotag |
dea3101e | 1585 | */ |
604a3e30 | 1586 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 1587 | |
e2a0a9d6 | 1588 | |
a58cbd52 JS |
1589 | if (pring->ringno == LPFC_ELS_RING) { |
1590 | lpfc_debugfs_slow_ring_trc(phba, | |
1591 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1592 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
1593 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
1594 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
1595 | } | |
1596 | ||
dea3101e JB |
1597 | /* |
1598 | * Issue iocb command to adapter | |
1599 | */ | |
92d7f7b0 | 1600 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e JB |
1601 | wmb(); |
1602 | pring->stats.iocb_cmd++; | |
1603 | ||
1604 | /* | |
1605 | * If there is no completion routine to call, we can release the | |
1606 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
1607 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
1608 | */ | |
1609 | if (nextiocb->iocb_cmpl) | |
1610 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 1611 | else |
2e0fef85 | 1612 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e JB |
1613 | |
1614 | /* | |
1615 | * Let the HBA know what IOCB slot will be the next one the | |
1616 | * driver will put a command into. | |
1617 | */ | |
7e56aa25 JS |
1618 | pring->sli.sli3.cmdidx = pring->sli.sli3.next_cmdidx; |
1619 | writel(pring->sli.sli3.cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); | |
dea3101e JB |
1620 | } |
1621 | ||
e59058c4 | 1622 | /** |
3621a710 | 1623 | * lpfc_sli_update_full_ring - Update the chip attention register |
e59058c4 JS |
1624 | * @phba: Pointer to HBA context object. |
1625 | * @pring: Pointer to driver SLI ring object. | |
1626 | * | |
1627 | * The caller is not required to hold any lock for calling this function. | |
1628 | * This function updates the chip attention bits for the ring to inform firmware | |
1629 | * that there are pending work to be done for this ring and requests an | |
1630 | * interrupt when there is space available in the ring. This function is | |
1631 | * called when the driver is unable to post more iocbs to the ring due | |
1632 | * to unavailability of space in the ring. | |
1633 | **/ | |
dea3101e | 1634 | static void |
2e0fef85 | 1635 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1636 | { |
1637 | int ringno = pring->ringno; | |
1638 | ||
1639 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
1640 | ||
1641 | wmb(); | |
1642 | ||
1643 | /* | |
1644 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
1645 | * The HBA will tell us when an IOCB entry is available. | |
1646 | */ | |
1647 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
1648 | readl(phba->CAregaddr); /* flush */ | |
1649 | ||
1650 | pring->stats.iocb_cmd_full++; | |
1651 | } | |
1652 | ||
e59058c4 | 1653 | /** |
3621a710 | 1654 | * lpfc_sli_update_ring - Update chip attention register |
e59058c4 JS |
1655 | * @phba: Pointer to HBA context object. |
1656 | * @pring: Pointer to driver SLI ring object. | |
1657 | * | |
1658 | * This function updates the chip attention register bit for the | |
1659 | * given ring to inform HBA that there is more work to be done | |
1660 | * in this ring. The caller is not required to hold any lock. | |
1661 | **/ | |
dea3101e | 1662 | static void |
2e0fef85 | 1663 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1664 | { |
1665 | int ringno = pring->ringno; | |
1666 | ||
1667 | /* | |
1668 | * Tell the HBA that there is work to do in this ring. | |
1669 | */ | |
34b02dcd JS |
1670 | if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) { |
1671 | wmb(); | |
1672 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
1673 | readl(phba->CAregaddr); /* flush */ | |
1674 | } | |
dea3101e JB |
1675 | } |
1676 | ||
e59058c4 | 1677 | /** |
3621a710 | 1678 | * lpfc_sli_resume_iocb - Process iocbs in the txq |
e59058c4 JS |
1679 | * @phba: Pointer to HBA context object. |
1680 | * @pring: Pointer to driver SLI ring object. | |
1681 | * | |
1682 | * This function is called with hbalock held to post pending iocbs | |
1683 | * in the txq to the firmware. This function is called when driver | |
1684 | * detects space available in the ring. | |
1685 | **/ | |
dea3101e | 1686 | static void |
2e0fef85 | 1687 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1688 | { |
1689 | IOCB_t *iocb; | |
1690 | struct lpfc_iocbq *nextiocb; | |
1691 | ||
1c2ba475 JT |
1692 | lockdep_assert_held(&phba->hbalock); |
1693 | ||
dea3101e JB |
1694 | /* |
1695 | * Check to see if: | |
1696 | * (a) there is anything on the txq to send | |
1697 | * (b) link is up | |
1698 | * (c) link attention events can be processed (fcp ring only) | |
1699 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
1700 | */ | |
0e9bb8d7 JS |
1701 | |
1702 | if (lpfc_is_link_up(phba) && | |
1703 | (!list_empty(&pring->txq)) && | |
895427bd | 1704 | (pring->ringno != LPFC_FCP_RING || |
0b727fea | 1705 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e JB |
1706 | |
1707 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
1708 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
1709 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
1710 | ||
1711 | if (iocb) | |
1712 | lpfc_sli_update_ring(phba, pring); | |
1713 | else | |
1714 | lpfc_sli_update_full_ring(phba, pring); | |
1715 | } | |
1716 | ||
1717 | return; | |
1718 | } | |
1719 | ||
e59058c4 | 1720 | /** |
3621a710 | 1721 | * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ |
e59058c4 JS |
1722 | * @phba: Pointer to HBA context object. |
1723 | * @hbqno: HBQ number. | |
1724 | * | |
1725 | * This function is called with hbalock held to get the next | |
1726 | * available slot for the given HBQ. If there is free slot | |
1727 | * available for the HBQ it will return pointer to the next available | |
1728 | * HBQ entry else it will return NULL. | |
1729 | **/ | |
a6ababd2 | 1730 | static struct lpfc_hbq_entry * |
ed957684 JS |
1731 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
1732 | { | |
1733 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1734 | ||
1c2ba475 JT |
1735 | lockdep_assert_held(&phba->hbalock); |
1736 | ||
ed957684 JS |
1737 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && |
1738 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
1739 | hbqp->next_hbqPutIdx = 0; | |
1740 | ||
1741 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 1742 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
1743 | uint32_t getidx = le32_to_cpu(raw_index); |
1744 | ||
1745 | hbqp->local_hbqGetIdx = getidx; | |
1746 | ||
1747 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
1748 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 1749 | LOG_SLI | LOG_VPORT, |
e8b62011 | 1750 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 1751 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 1752 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
1753 | hbqp->entry_count); |
1754 | ||
1755 | phba->link_state = LPFC_HBA_ERROR; | |
1756 | return NULL; | |
1757 | } | |
1758 | ||
1759 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
1760 | return NULL; | |
1761 | } | |
1762 | ||
51ef4c26 JS |
1763 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
1764 | hbqp->hbqPutIdx; | |
ed957684 JS |
1765 | } |
1766 | ||
e59058c4 | 1767 | /** |
3621a710 | 1768 | * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers |
e59058c4 JS |
1769 | * @phba: Pointer to HBA context object. |
1770 | * | |
1771 | * This function is called with no lock held to free all the | |
1772 | * hbq buffers while uninitializing the SLI interface. It also | |
1773 | * frees the HBQ buffers returned by the firmware but not yet | |
1774 | * processed by the upper layers. | |
1775 | **/ | |
ed957684 JS |
1776 | void |
1777 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
1778 | { | |
92d7f7b0 JS |
1779 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
1780 | struct hbq_dmabuf *hbq_buf; | |
3163f725 | 1781 | unsigned long flags; |
51ef4c26 | 1782 | int i, hbq_count; |
ed957684 | 1783 | |
51ef4c26 | 1784 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 1785 | /* Return all memory used by all HBQs */ |
3163f725 | 1786 | spin_lock_irqsave(&phba->hbalock, flags); |
51ef4c26 JS |
1787 | for (i = 0; i < hbq_count; ++i) { |
1788 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
1789 | &phba->hbqs[i].hbq_buffer_list, list) { | |
1790 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
1791 | list_del(&hbq_buf->dbuf.list); | |
1792 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
1793 | } | |
a8adb832 | 1794 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 1795 | } |
3163f725 JS |
1796 | |
1797 | /* Mark the HBQs not in use */ | |
1798 | phba->hbq_in_use = 0; | |
1799 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
ed957684 JS |
1800 | } |
1801 | ||
e59058c4 | 1802 | /** |
3621a710 | 1803 | * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware |
e59058c4 JS |
1804 | * @phba: Pointer to HBA context object. |
1805 | * @hbqno: HBQ number. | |
1806 | * @hbq_buf: Pointer to HBQ buffer. | |
1807 | * | |
1808 | * This function is called with the hbalock held to post a | |
1809 | * hbq buffer to the firmware. If the function finds an empty | |
1810 | * slot in the HBQ, it will post the buffer. The function will return | |
1811 | * pointer to the hbq entry if it successfully post the buffer | |
1812 | * else it will return NULL. | |
1813 | **/ | |
3772a991 | 1814 | static int |
ed957684 | 1815 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 1816 | struct hbq_dmabuf *hbq_buf) |
3772a991 | 1817 | { |
1c2ba475 | 1818 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
1819 | return phba->lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buf); |
1820 | } | |
1821 | ||
1822 | /** | |
1823 | * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware | |
1824 | * @phba: Pointer to HBA context object. | |
1825 | * @hbqno: HBQ number. | |
1826 | * @hbq_buf: Pointer to HBQ buffer. | |
1827 | * | |
1828 | * This function is called with the hbalock held to post a hbq buffer to the | |
1829 | * firmware. If the function finds an empty slot in the HBQ, it will post the | |
1830 | * buffer and place it on the hbq_buffer_list. The function will return zero if | |
1831 | * it successfully post the buffer else it will return an error. | |
1832 | **/ | |
1833 | static int | |
1834 | lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba *phba, uint32_t hbqno, | |
1835 | struct hbq_dmabuf *hbq_buf) | |
ed957684 JS |
1836 | { |
1837 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 1838 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 | 1839 | |
1c2ba475 | 1840 | lockdep_assert_held(&phba->hbalock); |
ed957684 JS |
1841 | /* Get next HBQ entry slot to use */ |
1842 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
1843 | if (hbqe) { | |
1844 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1845 | ||
92d7f7b0 JS |
1846 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
1847 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
895427bd | 1848 | hbqe->bde.tus.f.bdeSize = hbq_buf->total_size; |
ed957684 | 1849 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
1850 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
1851 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
1852 | /* Sync SLIM */ | |
ed957684 JS |
1853 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
1854 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 1855 | /* flush */ |
ed957684 | 1856 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 1857 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
3772a991 JS |
1858 | return 0; |
1859 | } else | |
1860 | return -ENOMEM; | |
ed957684 JS |
1861 | } |
1862 | ||
4f774513 JS |
1863 | /** |
1864 | * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware | |
1865 | * @phba: Pointer to HBA context object. | |
1866 | * @hbqno: HBQ number. | |
1867 | * @hbq_buf: Pointer to HBQ buffer. | |
1868 | * | |
1869 | * This function is called with the hbalock held to post an RQE to the SLI4 | |
1870 | * firmware. If able to post the RQE to the RQ it will queue the hbq entry to | |
1871 | * the hbq_buffer_list and return zero, otherwise it will return an error. | |
1872 | **/ | |
1873 | static int | |
1874 | lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba *phba, uint32_t hbqno, | |
1875 | struct hbq_dmabuf *hbq_buf) | |
1876 | { | |
1877 | int rc; | |
1878 | struct lpfc_rqe hrqe; | |
1879 | struct lpfc_rqe drqe; | |
895427bd JS |
1880 | struct lpfc_queue *hrq; |
1881 | struct lpfc_queue *drq; | |
1882 | ||
1883 | if (hbqno != LPFC_ELS_HBQ) | |
1884 | return 1; | |
1885 | hrq = phba->sli4_hba.hdr_rq; | |
1886 | drq = phba->sli4_hba.dat_rq; | |
4f774513 | 1887 | |
1c2ba475 | 1888 | lockdep_assert_held(&phba->hbalock); |
4f774513 JS |
1889 | hrqe.address_lo = putPaddrLow(hbq_buf->hbuf.phys); |
1890 | hrqe.address_hi = putPaddrHigh(hbq_buf->hbuf.phys); | |
1891 | drqe.address_lo = putPaddrLow(hbq_buf->dbuf.phys); | |
1892 | drqe.address_hi = putPaddrHigh(hbq_buf->dbuf.phys); | |
895427bd | 1893 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); |
4f774513 JS |
1894 | if (rc < 0) |
1895 | return rc; | |
895427bd | 1896 | hbq_buf->tag = (rc | (hbqno << 16)); |
4f774513 JS |
1897 | list_add_tail(&hbq_buf->dbuf.list, &phba->hbqs[hbqno].hbq_buffer_list); |
1898 | return 0; | |
1899 | } | |
1900 | ||
e59058c4 | 1901 | /* HBQ for ELS and CT traffic. */ |
92d7f7b0 JS |
1902 | static struct lpfc_hbq_init lpfc_els_hbq = { |
1903 | .rn = 1, | |
def9c7a9 | 1904 | .entry_count = 256, |
92d7f7b0 JS |
1905 | .mask_count = 0, |
1906 | .profile = 0, | |
51ef4c26 | 1907 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 | 1908 | .buffer_count = 0, |
a257bf90 JS |
1909 | .init_count = 40, |
1910 | .add_count = 40, | |
92d7f7b0 | 1911 | }; |
ed957684 | 1912 | |
e59058c4 | 1913 | /* Array of HBQs */ |
78b2d852 | 1914 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 JS |
1915 | &lpfc_els_hbq, |
1916 | }; | |
ed957684 | 1917 | |
e59058c4 | 1918 | /** |
3621a710 | 1919 | * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ |
e59058c4 JS |
1920 | * @phba: Pointer to HBA context object. |
1921 | * @hbqno: HBQ number. | |
1922 | * @count: Number of HBQ buffers to be posted. | |
1923 | * | |
d7c255b2 JS |
1924 | * This function is called with no lock held to post more hbq buffers to the |
1925 | * given HBQ. The function returns the number of HBQ buffers successfully | |
1926 | * posted. | |
e59058c4 | 1927 | **/ |
311464ec | 1928 | static int |
92d7f7b0 | 1929 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 1930 | { |
d7c255b2 | 1931 | uint32_t i, posted = 0; |
3163f725 | 1932 | unsigned long flags; |
92d7f7b0 | 1933 | struct hbq_dmabuf *hbq_buffer; |
d7c255b2 | 1934 | LIST_HEAD(hbq_buf_list); |
eafe1df9 | 1935 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) |
51ef4c26 | 1936 | return 0; |
51ef4c26 | 1937 | |
d7c255b2 JS |
1938 | if ((phba->hbqs[hbqno].buffer_count + count) > |
1939 | lpfc_hbq_defs[hbqno]->entry_count) | |
1940 | count = lpfc_hbq_defs[hbqno]->entry_count - | |
1941 | phba->hbqs[hbqno].buffer_count; | |
1942 | if (!count) | |
1943 | return 0; | |
1944 | /* Allocate HBQ entries */ | |
1945 | for (i = 0; i < count; i++) { | |
1946 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
1947 | if (!hbq_buffer) | |
1948 | break; | |
1949 | list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list); | |
1950 | } | |
3163f725 JS |
1951 | /* Check whether HBQ is still in use */ |
1952 | spin_lock_irqsave(&phba->hbalock, flags); | |
eafe1df9 | 1953 | if (!phba->hbq_in_use) |
d7c255b2 JS |
1954 | goto err; |
1955 | while (!list_empty(&hbq_buf_list)) { | |
1956 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
1957 | dbuf.list); | |
1958 | hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count | | |
1959 | (hbqno << 16)); | |
3772a991 | 1960 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { |
a8adb832 | 1961 | phba->hbqs[hbqno].buffer_count++; |
d7c255b2 JS |
1962 | posted++; |
1963 | } else | |
51ef4c26 | 1964 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 | 1965 | } |
3163f725 | 1966 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
1967 | return posted; |
1968 | err: | |
eafe1df9 | 1969 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
1970 | while (!list_empty(&hbq_buf_list)) { |
1971 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
1972 | dbuf.list); | |
1973 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
1974 | } | |
1975 | return 0; | |
ed957684 JS |
1976 | } |
1977 | ||
e59058c4 | 1978 | /** |
3621a710 | 1979 | * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware |
e59058c4 JS |
1980 | * @phba: Pointer to HBA context object. |
1981 | * @qno: HBQ number. | |
1982 | * | |
1983 | * This function posts more buffers to the HBQ. This function | |
d7c255b2 JS |
1984 | * is called with no lock held. The function returns the number of HBQ entries |
1985 | * successfully allocated. | |
e59058c4 | 1986 | **/ |
92d7f7b0 JS |
1987 | int |
1988 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 1989 | { |
def9c7a9 JS |
1990 | if (phba->sli_rev == LPFC_SLI_REV4) |
1991 | return 0; | |
1992 | else | |
1993 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
1994 | lpfc_hbq_defs[qno]->add_count); | |
92d7f7b0 | 1995 | } |
ed957684 | 1996 | |
e59058c4 | 1997 | /** |
3621a710 | 1998 | * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ |
e59058c4 JS |
1999 | * @phba: Pointer to HBA context object. |
2000 | * @qno: HBQ queue number. | |
2001 | * | |
2002 | * This function is called from SLI initialization code path with | |
2003 | * no lock held to post initial HBQ buffers to firmware. The | |
d7c255b2 | 2004 | * function returns the number of HBQ entries successfully allocated. |
e59058c4 | 2005 | **/ |
a6ababd2 | 2006 | static int |
92d7f7b0 JS |
2007 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
2008 | { | |
def9c7a9 JS |
2009 | if (phba->sli_rev == LPFC_SLI_REV4) |
2010 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
73d91e50 | 2011 | lpfc_hbq_defs[qno]->entry_count); |
def9c7a9 JS |
2012 | else |
2013 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2014 | lpfc_hbq_defs[qno]->init_count); | |
ed957684 JS |
2015 | } |
2016 | ||
3772a991 JS |
2017 | /** |
2018 | * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list | |
2019 | * @phba: Pointer to HBA context object. | |
2020 | * @hbqno: HBQ number. | |
2021 | * | |
2022 | * This function removes the first hbq buffer on an hbq list and returns a | |
2023 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2024 | **/ | |
2025 | static struct hbq_dmabuf * | |
2026 | lpfc_sli_hbqbuf_get(struct list_head *rb_list) | |
2027 | { | |
2028 | struct lpfc_dmabuf *d_buf; | |
2029 | ||
2030 | list_remove_head(rb_list, d_buf, struct lpfc_dmabuf, list); | |
2031 | if (!d_buf) | |
2032 | return NULL; | |
2033 | return container_of(d_buf, struct hbq_dmabuf, dbuf); | |
2034 | } | |
2035 | ||
2d7dbc4c JS |
2036 | /** |
2037 | * lpfc_sli_rqbuf_get - Remove the first dma buffer off of an RQ list | |
2038 | * @phba: Pointer to HBA context object. | |
2039 | * @hbqno: HBQ number. | |
2040 | * | |
2041 | * This function removes the first RQ buffer on an RQ buffer list and returns a | |
2042 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2043 | **/ | |
2044 | static struct rqb_dmabuf * | |
2045 | lpfc_sli_rqbuf_get(struct lpfc_hba *phba, struct lpfc_queue *hrq) | |
2046 | { | |
2047 | struct lpfc_dmabuf *h_buf; | |
2048 | struct lpfc_rqb *rqbp; | |
2049 | ||
2050 | rqbp = hrq->rqbp; | |
2051 | list_remove_head(&rqbp->rqb_buffer_list, h_buf, | |
2052 | struct lpfc_dmabuf, list); | |
2053 | if (!h_buf) | |
2054 | return NULL; | |
2055 | rqbp->buffer_count--; | |
2056 | return container_of(h_buf, struct rqb_dmabuf, hbuf); | |
2057 | } | |
2058 | ||
e59058c4 | 2059 | /** |
3621a710 | 2060 | * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag |
e59058c4 JS |
2061 | * @phba: Pointer to HBA context object. |
2062 | * @tag: Tag of the hbq buffer. | |
2063 | * | |
71892418 SH |
2064 | * This function searches for the hbq buffer associated with the given tag in |
2065 | * the hbq buffer list. If it finds the hbq buffer, it returns the hbq_buffer | |
2066 | * otherwise it returns NULL. | |
e59058c4 | 2067 | **/ |
a6ababd2 | 2068 | static struct hbq_dmabuf * |
92d7f7b0 | 2069 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 2070 | { |
92d7f7b0 JS |
2071 | struct lpfc_dmabuf *d_buf; |
2072 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
2073 | uint32_t hbqno; |
2074 | ||
2075 | hbqno = tag >> 16; | |
a0a74e45 | 2076 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 2077 | return NULL; |
ed957684 | 2078 | |
3772a991 | 2079 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2080 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 2081 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 2082 | if (hbq_buf->tag == tag) { |
3772a991 | 2083 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2084 | return hbq_buf; |
ed957684 JS |
2085 | } |
2086 | } | |
3772a991 | 2087 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2088 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
e8b62011 | 2089 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 2090 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 2091 | return NULL; |
ed957684 JS |
2092 | } |
2093 | ||
e59058c4 | 2094 | /** |
3621a710 | 2095 | * lpfc_sli_free_hbq - Give back the hbq buffer to firmware |
e59058c4 JS |
2096 | * @phba: Pointer to HBA context object. |
2097 | * @hbq_buffer: Pointer to HBQ buffer. | |
2098 | * | |
2099 | * This function is called with hbalock. This function gives back | |
2100 | * the hbq buffer to firmware. If the HBQ does not have space to | |
2101 | * post the buffer, it will free the buffer. | |
2102 | **/ | |
ed957684 | 2103 | void |
51ef4c26 | 2104 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
2105 | { |
2106 | uint32_t hbqno; | |
2107 | ||
51ef4c26 JS |
2108 | if (hbq_buffer) { |
2109 | hbqno = hbq_buffer->tag >> 16; | |
3772a991 | 2110 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
51ef4c26 | 2111 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 JS |
2112 | } |
2113 | } | |
2114 | ||
e59058c4 | 2115 | /** |
3621a710 | 2116 | * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox |
e59058c4 JS |
2117 | * @mbxCommand: mailbox command code. |
2118 | * | |
2119 | * This function is called by the mailbox event handler function to verify | |
2120 | * that the completed mailbox command is a legitimate mailbox command. If the | |
2121 | * completed mailbox is not known to the function, it will return MBX_SHUTDOWN | |
2122 | * and the mailbox event handler will take the HBA offline. | |
2123 | **/ | |
dea3101e JB |
2124 | static int |
2125 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
2126 | { | |
2127 | uint8_t ret; | |
2128 | ||
2129 | switch (mbxCommand) { | |
2130 | case MBX_LOAD_SM: | |
2131 | case MBX_READ_NV: | |
2132 | case MBX_WRITE_NV: | |
a8adb832 | 2133 | case MBX_WRITE_VPARMS: |
dea3101e JB |
2134 | case MBX_RUN_BIU_DIAG: |
2135 | case MBX_INIT_LINK: | |
2136 | case MBX_DOWN_LINK: | |
2137 | case MBX_CONFIG_LINK: | |
2138 | case MBX_CONFIG_RING: | |
2139 | case MBX_RESET_RING: | |
2140 | case MBX_READ_CONFIG: | |
2141 | case MBX_READ_RCONFIG: | |
2142 | case MBX_READ_SPARM: | |
2143 | case MBX_READ_STATUS: | |
2144 | case MBX_READ_RPI: | |
2145 | case MBX_READ_XRI: | |
2146 | case MBX_READ_REV: | |
2147 | case MBX_READ_LNK_STAT: | |
2148 | case MBX_REG_LOGIN: | |
2149 | case MBX_UNREG_LOGIN: | |
dea3101e JB |
2150 | case MBX_CLEAR_LA: |
2151 | case MBX_DUMP_MEMORY: | |
2152 | case MBX_DUMP_CONTEXT: | |
2153 | case MBX_RUN_DIAGS: | |
2154 | case MBX_RESTART: | |
2155 | case MBX_UPDATE_CFG: | |
2156 | case MBX_DOWN_LOAD: | |
2157 | case MBX_DEL_LD_ENTRY: | |
2158 | case MBX_RUN_PROGRAM: | |
2159 | case MBX_SET_MASK: | |
09372820 | 2160 | case MBX_SET_VARIABLE: |
dea3101e | 2161 | case MBX_UNREG_D_ID: |
41415862 | 2162 | case MBX_KILL_BOARD: |
dea3101e | 2163 | case MBX_CONFIG_FARP: |
41415862 | 2164 | case MBX_BEACON: |
dea3101e JB |
2165 | case MBX_LOAD_AREA: |
2166 | case MBX_RUN_BIU_DIAG64: | |
2167 | case MBX_CONFIG_PORT: | |
2168 | case MBX_READ_SPARM64: | |
2169 | case MBX_READ_RPI64: | |
2170 | case MBX_REG_LOGIN64: | |
76a95d75 | 2171 | case MBX_READ_TOPOLOGY: |
09372820 | 2172 | case MBX_WRITE_WWN: |
dea3101e JB |
2173 | case MBX_SET_DEBUG: |
2174 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 2175 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
2176 | case MBX_REG_VPI: |
2177 | case MBX_UNREG_VPI: | |
858c9f6c | 2178 | case MBX_HEARTBEAT: |
84774a4d JS |
2179 | case MBX_PORT_CAPABILITIES: |
2180 | case MBX_PORT_IOV_CONTROL: | |
04c68496 JS |
2181 | case MBX_SLI4_CONFIG: |
2182 | case MBX_SLI4_REQ_FTRS: | |
2183 | case MBX_REG_FCFI: | |
2184 | case MBX_UNREG_FCFI: | |
2185 | case MBX_REG_VFI: | |
2186 | case MBX_UNREG_VFI: | |
2187 | case MBX_INIT_VPI: | |
2188 | case MBX_INIT_VFI: | |
2189 | case MBX_RESUME_RPI: | |
c7495937 JS |
2190 | case MBX_READ_EVENT_LOG_STATUS: |
2191 | case MBX_READ_EVENT_LOG: | |
dcf2a4e0 JS |
2192 | case MBX_SECURITY_MGMT: |
2193 | case MBX_AUTH_PORT: | |
940eb687 | 2194 | case MBX_ACCESS_VDATA: |
dea3101e JB |
2195 | ret = mbxCommand; |
2196 | break; | |
2197 | default: | |
2198 | ret = MBX_SHUTDOWN; | |
2199 | break; | |
2200 | } | |
2e0fef85 | 2201 | return ret; |
dea3101e | 2202 | } |
e59058c4 JS |
2203 | |
2204 | /** | |
3621a710 | 2205 | * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler |
e59058c4 JS |
2206 | * @phba: Pointer to HBA context object. |
2207 | * @pmboxq: Pointer to mailbox command. | |
2208 | * | |
2209 | * This is completion handler function for mailbox commands issued from | |
2210 | * lpfc_sli_issue_mbox_wait function. This function is called by the | |
2211 | * mailbox event handler function with no lock held. This function | |
2212 | * will wake up thread waiting on the wait queue pointed by context1 | |
2213 | * of the mailbox. | |
2214 | **/ | |
04c68496 | 2215 | void |
2e0fef85 | 2216 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e JB |
2217 | { |
2218 | wait_queue_head_t *pdone_q; | |
858c9f6c | 2219 | unsigned long drvr_flag; |
dea3101e JB |
2220 | |
2221 | /* | |
2222 | * If pdone_q is empty, the driver thread gave up waiting and | |
2223 | * continued running. | |
2224 | */ | |
7054a606 | 2225 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 2226 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
dea3101e JB |
2227 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
2228 | if (pdone_q) | |
2229 | wake_up_interruptible(pdone_q); | |
858c9f6c | 2230 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
2231 | return; |
2232 | } | |
2233 | ||
e59058c4 JS |
2234 | |
2235 | /** | |
3621a710 | 2236 | * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler |
e59058c4 JS |
2237 | * @phba: Pointer to HBA context object. |
2238 | * @pmb: Pointer to mailbox object. | |
2239 | * | |
2240 | * This function is the default mailbox completion handler. It | |
2241 | * frees the memory resources associated with the completed mailbox | |
2242 | * command. If the completed command is a REG_LOGIN mailbox command, | |
2243 | * this function will issue a UREG_LOGIN to re-claim the RPI. | |
2244 | **/ | |
dea3101e | 2245 | void |
2e0fef85 | 2246 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2247 | { |
d439d286 | 2248 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2249 | struct lpfc_dmabuf *mp; |
d439d286 | 2250 | struct lpfc_nodelist *ndlp; |
5af5eee7 | 2251 | struct Scsi_Host *shost; |
04c68496 | 2252 | uint16_t rpi, vpi; |
7054a606 JS |
2253 | int rc; |
2254 | ||
dea3101e | 2255 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
7054a606 | 2256 | |
dea3101e JB |
2257 | if (mp) { |
2258 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2259 | kfree(mp); | |
2260 | } | |
7054a606 JS |
2261 | |
2262 | /* | |
2263 | * If a REG_LOGIN succeeded after node is destroyed or node | |
2264 | * is in re-discovery driver need to cleanup the RPI. | |
2265 | */ | |
2e0fef85 | 2266 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
04c68496 JS |
2267 | pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 && |
2268 | !pmb->u.mb.mbxStatus) { | |
2269 | rpi = pmb->u.mb.un.varWords[0]; | |
6d368e53 | 2270 | vpi = pmb->u.mb.un.varRegLogin.vpi; |
04c68496 | 2271 | lpfc_unreg_login(phba, vpi, rpi, pmb); |
de96e9c5 | 2272 | pmb->vport = vport; |
92d7f7b0 | 2273 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
7054a606 JS |
2274 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
2275 | if (rc != MBX_NOT_FINISHED) | |
2276 | return; | |
2277 | } | |
2278 | ||
695a814e JS |
2279 | if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) && |
2280 | !(phba->pport->load_flag & FC_UNLOADING) && | |
2281 | !pmb->u.mb.mbxStatus) { | |
5af5eee7 JS |
2282 | shost = lpfc_shost_from_vport(vport); |
2283 | spin_lock_irq(shost->host_lock); | |
2284 | vport->vpi_state |= LPFC_VPI_REGISTERED; | |
2285 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
2286 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
2287 | } |
2288 | ||
d439d286 JS |
2289 | if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
2290 | ndlp = (struct lpfc_nodelist *)pmb->context2; | |
2291 | lpfc_nlp_put(ndlp); | |
2292 | pmb->context2 = NULL; | |
2293 | } | |
2294 | ||
dcf2a4e0 JS |
2295 | /* Check security permission status on INIT_LINK mailbox command */ |
2296 | if ((pmb->u.mb.mbxCommand == MBX_INIT_LINK) && | |
2297 | (pmb->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
2298 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
2299 | "2860 SLI authentication is required " | |
2300 | "for INIT_LINK but has not done yet\n"); | |
2301 | ||
04c68496 JS |
2302 | if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG) |
2303 | lpfc_sli4_mbox_cmd_free(phba, pmb); | |
2304 | else | |
2305 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2306 | } |
be6bb941 JS |
2307 | /** |
2308 | * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler | |
2309 | * @phba: Pointer to HBA context object. | |
2310 | * @pmb: Pointer to mailbox object. | |
2311 | * | |
2312 | * This function is the unreg rpi mailbox completion handler. It | |
2313 | * frees the memory resources associated with the completed mailbox | |
2314 | * command. An additional refrenece is put on the ndlp to prevent | |
2315 | * lpfc_nlp_release from freeing the rpi bit in the bitmask before | |
2316 | * the unreg mailbox command completes, this routine puts the | |
2317 | * reference back. | |
2318 | * | |
2319 | **/ | |
2320 | void | |
2321 | lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2322 | { | |
2323 | struct lpfc_vport *vport = pmb->vport; | |
2324 | struct lpfc_nodelist *ndlp; | |
2325 | ||
2326 | ndlp = pmb->context1; | |
2327 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { | |
2328 | if (phba->sli_rev == LPFC_SLI_REV4 && | |
2329 | (bf_get(lpfc_sli_intf_if_type, | |
2330 | &phba->sli4_hba.sli_intf) == | |
2331 | LPFC_SLI_INTF_IF_TYPE_2)) { | |
2332 | if (ndlp) { | |
2333 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, | |
2334 | "0010 UNREG_LOGIN vpi:%x " | |
2335 | "rpi:%x DID:%x map:%x %p\n", | |
2336 | vport->vpi, ndlp->nlp_rpi, | |
2337 | ndlp->nlp_DID, | |
2338 | ndlp->nlp_usg_map, ndlp); | |
7c5e518c | 2339 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
be6bb941 JS |
2340 | lpfc_nlp_put(ndlp); |
2341 | } | |
2342 | } | |
2343 | } | |
2344 | ||
2345 | mempool_free(pmb, phba->mbox_mem_pool); | |
2346 | } | |
dea3101e | 2347 | |
e59058c4 | 2348 | /** |
3621a710 | 2349 | * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware |
e59058c4 JS |
2350 | * @phba: Pointer to HBA context object. |
2351 | * | |
2352 | * This function is called with no lock held. This function processes all | |
2353 | * the completed mailbox commands and gives it to upper layers. The interrupt | |
2354 | * service routine processes mailbox completion interrupt and adds completed | |
2355 | * mailbox commands to the mboxq_cmpl queue and signals the worker thread. | |
2356 | * Worker thread call lpfc_sli_handle_mb_event, which will return the | |
2357 | * completed mailbox commands in mboxq_cmpl queue to the upper layers. This | |
2358 | * function returns the mailbox commands to the upper layer by calling the | |
2359 | * completion handler function of each mailbox. | |
2360 | **/ | |
dea3101e | 2361 | int |
2e0fef85 | 2362 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 2363 | { |
92d7f7b0 | 2364 | MAILBOX_t *pmbox; |
dea3101e | 2365 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
2366 | int rc; |
2367 | LIST_HEAD(cmplq); | |
dea3101e JB |
2368 | |
2369 | phba->sli.slistat.mbox_event++; | |
2370 | ||
92d7f7b0 JS |
2371 | /* Get all completed mailboxe buffers into the cmplq */ |
2372 | spin_lock_irq(&phba->hbalock); | |
2373 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
2374 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 2375 | |
92d7f7b0 JS |
2376 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
2377 | do { | |
2378 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
2379 | if (pmb == NULL) | |
2380 | break; | |
2e0fef85 | 2381 | |
04c68496 | 2382 | pmbox = &pmb->u.mb; |
dea3101e | 2383 | |
858c9f6c JS |
2384 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
2385 | if (pmb->vport) { | |
2386 | lpfc_debugfs_disc_trc(pmb->vport, | |
2387 | LPFC_DISC_TRC_MBOX_VPORT, | |
2388 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
2389 | (uint32_t)pmbox->mbxCommand, | |
2390 | pmbox->un.varWords[0], | |
2391 | pmbox->un.varWords[1]); | |
2392 | } | |
2393 | else { | |
2394 | lpfc_debugfs_disc_trc(phba->pport, | |
2395 | LPFC_DISC_TRC_MBOX, | |
2396 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
2397 | (uint32_t)pmbox->mbxCommand, | |
2398 | pmbox->un.varWords[0], | |
2399 | pmbox->un.varWords[1]); | |
2400 | } | |
2401 | } | |
2402 | ||
dea3101e JB |
2403 | /* |
2404 | * It is a fatal error if unknown mbox command completion. | |
2405 | */ | |
2406 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
2407 | MBX_SHUTDOWN) { | |
af901ca1 | 2408 | /* Unknown mailbox command compl */ |
92d7f7b0 | 2409 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 2410 | "(%d):0323 Unknown Mailbox command " |
a183a15f | 2411 | "x%x (x%x/x%x) Cmpl\n", |
92d7f7b0 | 2412 | pmb->vport ? pmb->vport->vpi : 0, |
04c68496 | 2413 | pmbox->mbxCommand, |
a183a15f JS |
2414 | lpfc_sli_config_mbox_subsys_get(phba, |
2415 | pmb), | |
2416 | lpfc_sli_config_mbox_opcode_get(phba, | |
2417 | pmb)); | |
2e0fef85 | 2418 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2419 | phba->work_hs = HS_FFER3; |
2420 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 2421 | continue; |
dea3101e JB |
2422 | } |
2423 | ||
dea3101e JB |
2424 | if (pmbox->mbxStatus) { |
2425 | phba->sli.slistat.mbox_stat_err++; | |
2426 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
2427 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 | 2428 | lpfc_printf_log(phba, KERN_INFO, |
a183a15f JS |
2429 | LOG_MBOX | LOG_SLI, |
2430 | "(%d):0305 Mbox cmd cmpl " | |
2431 | "error - RETRYing Data: x%x " | |
2432 | "(x%x/x%x) x%x x%x x%x\n", | |
2433 | pmb->vport ? pmb->vport->vpi : 0, | |
2434 | pmbox->mbxCommand, | |
2435 | lpfc_sli_config_mbox_subsys_get(phba, | |
2436 | pmb), | |
2437 | lpfc_sli_config_mbox_opcode_get(phba, | |
2438 | pmb), | |
2439 | pmbox->mbxStatus, | |
2440 | pmbox->un.varWords[0], | |
2441 | pmb->vport->port_state); | |
dea3101e JB |
2442 | pmbox->mbxStatus = 0; |
2443 | pmbox->mbxOwner = OWN_HOST; | |
dea3101e | 2444 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
04c68496 | 2445 | if (rc != MBX_NOT_FINISHED) |
92d7f7b0 | 2446 | continue; |
dea3101e JB |
2447 | } |
2448 | } | |
2449 | ||
2450 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 2451 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
a183a15f | 2452 | "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p " |
e74c03c8 JS |
2453 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " |
2454 | "x%x x%x x%x\n", | |
92d7f7b0 | 2455 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e | 2456 | pmbox->mbxCommand, |
a183a15f JS |
2457 | lpfc_sli_config_mbox_subsys_get(phba, pmb), |
2458 | lpfc_sli_config_mbox_opcode_get(phba, pmb), | |
dea3101e JB |
2459 | pmb->mbox_cmpl, |
2460 | *((uint32_t *) pmbox), | |
2461 | pmbox->un.varWords[0], | |
2462 | pmbox->un.varWords[1], | |
2463 | pmbox->un.varWords[2], | |
2464 | pmbox->un.varWords[3], | |
2465 | pmbox->un.varWords[4], | |
2466 | pmbox->un.varWords[5], | |
2467 | pmbox->un.varWords[6], | |
e74c03c8 JS |
2468 | pmbox->un.varWords[7], |
2469 | pmbox->un.varWords[8], | |
2470 | pmbox->un.varWords[9], | |
2471 | pmbox->un.varWords[10]); | |
dea3101e | 2472 | |
92d7f7b0 | 2473 | if (pmb->mbox_cmpl) |
dea3101e | 2474 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
2475 | } while (1); |
2476 | return 0; | |
2477 | } | |
dea3101e | 2478 | |
e59058c4 | 2479 | /** |
3621a710 | 2480 | * lpfc_sli_get_buff - Get the buffer associated with the buffer tag |
e59058c4 JS |
2481 | * @phba: Pointer to HBA context object. |
2482 | * @pring: Pointer to driver SLI ring object. | |
2483 | * @tag: buffer tag. | |
2484 | * | |
2485 | * This function is called with no lock held. When QUE_BUFTAG_BIT bit | |
2486 | * is set in the tag the buffer is posted for a particular exchange, | |
2487 | * the function will return the buffer without replacing the buffer. | |
2488 | * If the buffer is for unsolicited ELS or CT traffic, this function | |
2489 | * returns the buffer and also posts another buffer to the firmware. | |
2490 | **/ | |
76bb24ef JS |
2491 | static struct lpfc_dmabuf * |
2492 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
9f1e1b50 JS |
2493 | struct lpfc_sli_ring *pring, |
2494 | uint32_t tag) | |
76bb24ef | 2495 | { |
9f1e1b50 JS |
2496 | struct hbq_dmabuf *hbq_entry; |
2497 | ||
76bb24ef JS |
2498 | if (tag & QUE_BUFTAG_BIT) |
2499 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
9f1e1b50 JS |
2500 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
2501 | if (!hbq_entry) | |
2502 | return NULL; | |
2503 | return &hbq_entry->dbuf; | |
76bb24ef | 2504 | } |
57127f15 | 2505 | |
3772a991 JS |
2506 | /** |
2507 | * lpfc_complete_unsol_iocb - Complete an unsolicited sequence | |
2508 | * @phba: Pointer to HBA context object. | |
2509 | * @pring: Pointer to driver SLI ring object. | |
2510 | * @saveq: Pointer to the iocbq struct representing the sequence starting frame. | |
2511 | * @fch_r_ctl: the r_ctl for the first frame of the sequence. | |
2512 | * @fch_type: the type for the first frame of the sequence. | |
2513 | * | |
2514 | * This function is called with no lock held. This function uses the r_ctl and | |
2515 | * type of the received sequence to find the correct callback function to call | |
2516 | * to process the sequence. | |
2517 | **/ | |
2518 | static int | |
2519 | lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2520 | struct lpfc_iocbq *saveq, uint32_t fch_r_ctl, | |
2521 | uint32_t fch_type) | |
2522 | { | |
2523 | int i; | |
2524 | ||
f358dd0c JS |
2525 | switch (fch_type) { |
2526 | case FC_TYPE_NVME: | |
d613b6a7 | 2527 | lpfc_nvmet_unsol_ls_event(phba, pring, saveq); |
f358dd0c JS |
2528 | return 1; |
2529 | default: | |
2530 | break; | |
2531 | } | |
2532 | ||
3772a991 JS |
2533 | /* unSolicited Responses */ |
2534 | if (pring->prt[0].profile) { | |
2535 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) | |
2536 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
2537 | saveq); | |
2538 | return 1; | |
2539 | } | |
2540 | /* We must search, based on rctl / type | |
2541 | for the right routine */ | |
2542 | for (i = 0; i < pring->num_mask; i++) { | |
2543 | if ((pring->prt[i].rctl == fch_r_ctl) && | |
2544 | (pring->prt[i].type == fch_type)) { | |
2545 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2546 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2547 | (phba, pring, saveq); | |
2548 | return 1; | |
2549 | } | |
2550 | } | |
2551 | return 0; | |
2552 | } | |
e59058c4 JS |
2553 | |
2554 | /** | |
3621a710 | 2555 | * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler |
e59058c4 JS |
2556 | * @phba: Pointer to HBA context object. |
2557 | * @pring: Pointer to driver SLI ring object. | |
2558 | * @saveq: Pointer to the unsolicited iocb. | |
2559 | * | |
2560 | * This function is called with no lock held by the ring event handler | |
2561 | * when there is an unsolicited iocb posted to the response ring by the | |
2562 | * firmware. This function gets the buffer associated with the iocbs | |
2563 | * and calls the event handler for the ring. This function handles both | |
2564 | * qring buffers and hbq buffers. | |
2565 | * When the function returns 1 the caller can free the iocb object otherwise | |
2566 | * upper layer functions will free the iocb objects. | |
2567 | **/ | |
dea3101e JB |
2568 | static int |
2569 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2570 | struct lpfc_iocbq *saveq) | |
2571 | { | |
2572 | IOCB_t * irsp; | |
2573 | WORD5 * w5p; | |
2574 | uint32_t Rctl, Type; | |
76bb24ef | 2575 | struct lpfc_iocbq *iocbq; |
3163f725 | 2576 | struct lpfc_dmabuf *dmzbuf; |
dea3101e | 2577 | |
dea3101e | 2578 | irsp = &(saveq->iocb); |
57127f15 JS |
2579 | |
2580 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { | |
2581 | if (pring->lpfc_sli_rcv_async_status) | |
2582 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
2583 | else | |
2584 | lpfc_printf_log(phba, | |
2585 | KERN_WARNING, | |
2586 | LOG_SLI, | |
2587 | "0316 Ring %d handler: unexpected " | |
2588 | "ASYNC_STATUS iocb received evt_code " | |
2589 | "0x%x\n", | |
2590 | pring->ringno, | |
2591 | irsp->un.asyncstat.evt_code); | |
2592 | return 1; | |
2593 | } | |
2594 | ||
3163f725 JS |
2595 | if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && |
2596 | (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { | |
2597 | if (irsp->ulpBdeCount > 0) { | |
2598 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2599 | irsp->un.ulpWord[3]); | |
2600 | lpfc_in_buf_free(phba, dmzbuf); | |
2601 | } | |
2602 | ||
2603 | if (irsp->ulpBdeCount > 1) { | |
2604 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2605 | irsp->unsli3.sli3Words[3]); | |
2606 | lpfc_in_buf_free(phba, dmzbuf); | |
2607 | } | |
2608 | ||
2609 | if (irsp->ulpBdeCount > 2) { | |
2610 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2611 | irsp->unsli3.sli3Words[7]); | |
2612 | lpfc_in_buf_free(phba, dmzbuf); | |
2613 | } | |
2614 | ||
2615 | return 1; | |
2616 | } | |
2617 | ||
92d7f7b0 | 2618 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
2619 | if (irsp->ulpBdeCount != 0) { |
2620 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
2621 | irsp->un.ulpWord[3]); | |
2622 | if (!saveq->context2) | |
2623 | lpfc_printf_log(phba, | |
2624 | KERN_ERR, | |
2625 | LOG_SLI, | |
2626 | "0341 Ring %d Cannot find buffer for " | |
2627 | "an unsolicited iocb. tag 0x%x\n", | |
2628 | pring->ringno, | |
2629 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
2630 | } |
2631 | if (irsp->ulpBdeCount == 2) { | |
2632 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
2633 | irsp->unsli3.sli3Words[7]); | |
2634 | if (!saveq->context3) | |
2635 | lpfc_printf_log(phba, | |
2636 | KERN_ERR, | |
2637 | LOG_SLI, | |
2638 | "0342 Ring %d Cannot find buffer for an" | |
2639 | " unsolicited iocb. tag 0x%x\n", | |
2640 | pring->ringno, | |
2641 | irsp->unsli3.sli3Words[7]); | |
2642 | } | |
2643 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 2644 | irsp = &(iocbq->iocb); |
76bb24ef JS |
2645 | if (irsp->ulpBdeCount != 0) { |
2646 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
2647 | irsp->un.ulpWord[3]); | |
9c2face6 | 2648 | if (!iocbq->context2) |
76bb24ef JS |
2649 | lpfc_printf_log(phba, |
2650 | KERN_ERR, | |
2651 | LOG_SLI, | |
2652 | "0343 Ring %d Cannot find " | |
2653 | "buffer for an unsolicited iocb" | |
2654 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 2655 | irsp->un.ulpWord[3]); |
76bb24ef JS |
2656 | } |
2657 | if (irsp->ulpBdeCount == 2) { | |
2658 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 2659 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 2660 | if (!iocbq->context3) |
76bb24ef JS |
2661 | lpfc_printf_log(phba, |
2662 | KERN_ERR, | |
2663 | LOG_SLI, | |
2664 | "0344 Ring %d Cannot find " | |
2665 | "buffer for an unsolicited " | |
2666 | "iocb. tag 0x%x\n", | |
2667 | pring->ringno, | |
2668 | irsp->unsli3.sli3Words[7]); | |
2669 | } | |
2670 | } | |
92d7f7b0 | 2671 | } |
9c2face6 JS |
2672 | if (irsp->ulpBdeCount != 0 && |
2673 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
2674 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
2675 | int found = 0; | |
2676 | ||
2677 | /* search continue save q for same XRI */ | |
2678 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
7851fe2c JS |
2679 | if (iocbq->iocb.unsli3.rcvsli3.ox_id == |
2680 | saveq->iocb.unsli3.rcvsli3.ox_id) { | |
9c2face6 JS |
2681 | list_add_tail(&saveq->list, &iocbq->list); |
2682 | found = 1; | |
2683 | break; | |
2684 | } | |
2685 | } | |
2686 | if (!found) | |
2687 | list_add_tail(&saveq->clist, | |
2688 | &pring->iocb_continue_saveq); | |
2689 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
2690 | list_del_init(&iocbq->clist); | |
2691 | saveq = iocbq; | |
2692 | irsp = &(saveq->iocb); | |
2693 | } else | |
2694 | return 0; | |
2695 | } | |
2696 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
2697 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
2698 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
6a9c52cf JS |
2699 | Rctl = FC_RCTL_ELS_REQ; |
2700 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2701 | } else { |
2702 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
2703 | Rctl = w5p->hcsw.Rctl; | |
2704 | Type = w5p->hcsw.Type; | |
2705 | ||
2706 | /* Firmware Workaround */ | |
2707 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
2708 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
2709 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
6a9c52cf JS |
2710 | Rctl = FC_RCTL_ELS_REQ; |
2711 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2712 | w5p->hcsw.Rctl = Rctl; |
2713 | w5p->hcsw.Type = Type; | |
2714 | } | |
2715 | } | |
92d7f7b0 | 2716 | |
3772a991 | 2717 | if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type)) |
92d7f7b0 | 2718 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 2719 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 2720 | "Type x%x received\n", |
e8b62011 | 2721 | pring->ringno, Rctl, Type); |
3772a991 | 2722 | |
92d7f7b0 | 2723 | return 1; |
dea3101e JB |
2724 | } |
2725 | ||
e59058c4 | 2726 | /** |
3621a710 | 2727 | * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb |
e59058c4 JS |
2728 | * @phba: Pointer to HBA context object. |
2729 | * @pring: Pointer to driver SLI ring object. | |
2730 | * @prspiocb: Pointer to response iocb object. | |
2731 | * | |
2732 | * This function looks up the iocb_lookup table to get the command iocb | |
2733 | * corresponding to the given response iocb using the iotag of the | |
2734 | * response iocb. This function is called with the hbalock held. | |
2735 | * This function returns the command iocb object if it finds the command | |
2736 | * iocb else returns NULL. | |
2737 | **/ | |
dea3101e | 2738 | static struct lpfc_iocbq * |
2e0fef85 JS |
2739 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
2740 | struct lpfc_sli_ring *pring, | |
2741 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 2742 | { |
dea3101e JB |
2743 | struct lpfc_iocbq *cmd_iocb = NULL; |
2744 | uint16_t iotag; | |
1c2ba475 | 2745 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 2746 | |
604a3e30 JB |
2747 | iotag = prspiocb->iocb.ulpIoTag; |
2748 | ||
2749 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
2750 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 | 2751 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
89533e9b JS |
2752 | /* remove from txcmpl queue list */ |
2753 | list_del_init(&cmd_iocb->list); | |
4f2e66c6 | 2754 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; |
89533e9b | 2755 | return cmd_iocb; |
2a9bf3d0 | 2756 | } |
dea3101e JB |
2757 | } |
2758 | ||
dea3101e | 2759 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
89533e9b | 2760 | "0317 iotag x%x is out of " |
604a3e30 | 2761 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 2762 | iotag, phba->sli.last_iotag, |
604a3e30 | 2763 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e JB |
2764 | return NULL; |
2765 | } | |
2766 | ||
3772a991 JS |
2767 | /** |
2768 | * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag | |
2769 | * @phba: Pointer to HBA context object. | |
2770 | * @pring: Pointer to driver SLI ring object. | |
2771 | * @iotag: IOCB tag. | |
2772 | * | |
2773 | * This function looks up the iocb_lookup table to get the command iocb | |
2774 | * corresponding to the given iotag. This function is called with the | |
2775 | * hbalock held. | |
2776 | * This function returns the command iocb object if it finds the command | |
2777 | * iocb else returns NULL. | |
2778 | **/ | |
2779 | static struct lpfc_iocbq * | |
2780 | lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, | |
2781 | struct lpfc_sli_ring *pring, uint16_t iotag) | |
2782 | { | |
895427bd | 2783 | struct lpfc_iocbq *cmd_iocb = NULL; |
3772a991 | 2784 | |
1c2ba475 | 2785 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
2786 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
2787 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 JS |
2788 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
2789 | /* remove from txcmpl queue list */ | |
2790 | list_del_init(&cmd_iocb->list); | |
2791 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
4f2e66c6 | 2792 | return cmd_iocb; |
2a9bf3d0 | 2793 | } |
3772a991 | 2794 | } |
89533e9b | 2795 | |
3772a991 | 2796 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
895427bd JS |
2797 | "0372 iotag x%x lookup error: max iotag (x%x) " |
2798 | "iocb_flag x%x\n", | |
2799 | iotag, phba->sli.last_iotag, | |
2800 | cmd_iocb ? cmd_iocb->iocb_flag : 0xffff); | |
3772a991 JS |
2801 | return NULL; |
2802 | } | |
2803 | ||
e59058c4 | 2804 | /** |
3621a710 | 2805 | * lpfc_sli_process_sol_iocb - process solicited iocb completion |
e59058c4 JS |
2806 | * @phba: Pointer to HBA context object. |
2807 | * @pring: Pointer to driver SLI ring object. | |
2808 | * @saveq: Pointer to the response iocb to be processed. | |
2809 | * | |
2810 | * This function is called by the ring event handler for non-fcp | |
2811 | * rings when there is a new response iocb in the response ring. | |
2812 | * The caller is not required to hold any locks. This function | |
2813 | * gets the command iocb associated with the response iocb and | |
2814 | * calls the completion handler for the command iocb. If there | |
2815 | * is no completion handler, the function will free the resources | |
2816 | * associated with command iocb. If the response iocb is for | |
2817 | * an already aborted command iocb, the status of the completion | |
2818 | * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED. | |
2819 | * This function always returns 1. | |
2820 | **/ | |
dea3101e | 2821 | static int |
2e0fef85 | 2822 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e JB |
2823 | struct lpfc_iocbq *saveq) |
2824 | { | |
2e0fef85 | 2825 | struct lpfc_iocbq *cmdiocbp; |
dea3101e JB |
2826 | int rc = 1; |
2827 | unsigned long iflag; | |
2828 | ||
2829 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ | |
2e0fef85 | 2830 | spin_lock_irqsave(&phba->hbalock, iflag); |
604a3e30 | 2831 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
2e0fef85 JS |
2832 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
2833 | ||
dea3101e JB |
2834 | if (cmdiocbp) { |
2835 | if (cmdiocbp->iocb_cmpl) { | |
ea2151b4 JS |
2836 | /* |
2837 | * If an ELS command failed send an event to mgmt | |
2838 | * application. | |
2839 | */ | |
2840 | if (saveq->iocb.ulpStatus && | |
2841 | (pring->ringno == LPFC_ELS_RING) && | |
2842 | (cmdiocbp->iocb.ulpCommand == | |
2843 | CMD_ELS_REQUEST64_CR)) | |
2844 | lpfc_send_els_failure_event(phba, | |
2845 | cmdiocbp, saveq); | |
2846 | ||
dea3101e JB |
2847 | /* |
2848 | * Post all ELS completions to the worker thread. | |
2849 | * All other are passed to the completion callback. | |
2850 | */ | |
2851 | if (pring->ringno == LPFC_ELS_RING) { | |
341af102 JS |
2852 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
2853 | (cmdiocbp->iocb_flag & | |
2854 | LPFC_DRIVER_ABORTED)) { | |
2855 | spin_lock_irqsave(&phba->hbalock, | |
2856 | iflag); | |
07951076 JS |
2857 | cmdiocbp->iocb_flag &= |
2858 | ~LPFC_DRIVER_ABORTED; | |
341af102 JS |
2859 | spin_unlock_irqrestore(&phba->hbalock, |
2860 | iflag); | |
07951076 JS |
2861 | saveq->iocb.ulpStatus = |
2862 | IOSTAT_LOCAL_REJECT; | |
2863 | saveq->iocb.un.ulpWord[4] = | |
2864 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
2865 | |
2866 | /* Firmware could still be in progress | |
2867 | * of DMAing payload, so don't free data | |
2868 | * buffer till after a hbeat. | |
2869 | */ | |
341af102 JS |
2870 | spin_lock_irqsave(&phba->hbalock, |
2871 | iflag); | |
0ff10d46 | 2872 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; |
341af102 JS |
2873 | spin_unlock_irqrestore(&phba->hbalock, |
2874 | iflag); | |
2875 | } | |
0f65ff68 JS |
2876 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2877 | if (saveq->iocb_flag & | |
2878 | LPFC_EXCHANGE_BUSY) { | |
2879 | /* Set cmdiocb flag for the | |
2880 | * exchange busy so sgl (xri) | |
2881 | * will not be released until | |
2882 | * the abort xri is received | |
2883 | * from hba. | |
2884 | */ | |
2885 | spin_lock_irqsave( | |
2886 | &phba->hbalock, iflag); | |
2887 | cmdiocbp->iocb_flag |= | |
2888 | LPFC_EXCHANGE_BUSY; | |
2889 | spin_unlock_irqrestore( | |
2890 | &phba->hbalock, iflag); | |
2891 | } | |
2892 | if (cmdiocbp->iocb_flag & | |
2893 | LPFC_DRIVER_ABORTED) { | |
2894 | /* | |
2895 | * Clear LPFC_DRIVER_ABORTED | |
2896 | * bit in case it was driver | |
2897 | * initiated abort. | |
2898 | */ | |
2899 | spin_lock_irqsave( | |
2900 | &phba->hbalock, iflag); | |
2901 | cmdiocbp->iocb_flag &= | |
2902 | ~LPFC_DRIVER_ABORTED; | |
2903 | spin_unlock_irqrestore( | |
2904 | &phba->hbalock, iflag); | |
2905 | cmdiocbp->iocb.ulpStatus = | |
2906 | IOSTAT_LOCAL_REJECT; | |
2907 | cmdiocbp->iocb.un.ulpWord[4] = | |
2908 | IOERR_ABORT_REQUESTED; | |
2909 | /* | |
2910 | * For SLI4, irsiocb contains | |
2911 | * NO_XRI in sli_xritag, it | |
2912 | * shall not affect releasing | |
2913 | * sgl (xri) process. | |
2914 | */ | |
2915 | saveq->iocb.ulpStatus = | |
2916 | IOSTAT_LOCAL_REJECT; | |
2917 | saveq->iocb.un.ulpWord[4] = | |
2918 | IOERR_SLI_ABORTED; | |
2919 | spin_lock_irqsave( | |
2920 | &phba->hbalock, iflag); | |
2921 | saveq->iocb_flag |= | |
2922 | LPFC_DELAY_MEM_FREE; | |
2923 | spin_unlock_irqrestore( | |
2924 | &phba->hbalock, iflag); | |
2925 | } | |
07951076 | 2926 | } |
dea3101e | 2927 | } |
2e0fef85 | 2928 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
2929 | } else |
2930 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e JB |
2931 | } else { |
2932 | /* | |
2933 | * Unknown initiating command based on the response iotag. | |
2934 | * This could be the case on the ELS ring because of | |
2935 | * lpfc_els_abort(). | |
2936 | */ | |
2937 | if (pring->ringno != LPFC_ELS_RING) { | |
2938 | /* | |
2939 | * Ring <ringno> handler: unexpected completion IoTag | |
2940 | * <IoTag> | |
2941 | */ | |
a257bf90 | 2942 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
2943 | "0322 Ring %d handler: " |
2944 | "unexpected completion IoTag x%x " | |
2945 | "Data: x%x x%x x%x x%x\n", | |
2946 | pring->ringno, | |
2947 | saveq->iocb.ulpIoTag, | |
2948 | saveq->iocb.ulpStatus, | |
2949 | saveq->iocb.un.ulpWord[4], | |
2950 | saveq->iocb.ulpCommand, | |
2951 | saveq->iocb.ulpContext); | |
dea3101e JB |
2952 | } |
2953 | } | |
68876920 | 2954 | |
dea3101e JB |
2955 | return rc; |
2956 | } | |
2957 | ||
e59058c4 | 2958 | /** |
3621a710 | 2959 | * lpfc_sli_rsp_pointers_error - Response ring pointer error handler |
e59058c4 JS |
2960 | * @phba: Pointer to HBA context object. |
2961 | * @pring: Pointer to driver SLI ring object. | |
2962 | * | |
2963 | * This function is called from the iocb ring event handlers when | |
2964 | * put pointer is ahead of the get pointer for a ring. This function signal | |
2965 | * an error attention condition to the worker thread and the worker | |
2966 | * thread will transition the HBA to offline state. | |
2967 | **/ | |
2e0fef85 JS |
2968 | static void |
2969 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 2970 | { |
34b02dcd | 2971 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
875fbdfe | 2972 | /* |
025dfdaf | 2973 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
875fbdfe JSEC |
2974 | * rsp ring <portRspMax> |
2975 | */ | |
2976 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 2977 | "0312 Ring %d handler: portRspPut %d " |
025dfdaf | 2978 | "is bigger than rsp ring %d\n", |
e8b62011 | 2979 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
7e56aa25 | 2980 | pring->sli.sli3.numRiocb); |
875fbdfe | 2981 | |
2e0fef85 | 2982 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
2983 | |
2984 | /* | |
2985 | * All error attention handlers are posted to | |
2986 | * worker thread | |
2987 | */ | |
2988 | phba->work_ha |= HA_ERATT; | |
2989 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 2990 | |
5e9d9b82 | 2991 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
2992 | |
2993 | return; | |
2994 | } | |
2995 | ||
9399627f | 2996 | /** |
3621a710 | 2997 | * lpfc_poll_eratt - Error attention polling timer timeout handler |
9399627f JS |
2998 | * @ptr: Pointer to address of HBA context object. |
2999 | * | |
3000 | * This function is invoked by the Error Attention polling timer when the | |
3001 | * timer times out. It will check the SLI Error Attention register for | |
3002 | * possible attention events. If so, it will post an Error Attention event | |
3003 | * and wake up worker thread to process it. Otherwise, it will set up the | |
3004 | * Error Attention polling timer for the next poll. | |
3005 | **/ | |
3006 | void lpfc_poll_eratt(unsigned long ptr) | |
3007 | { | |
3008 | struct lpfc_hba *phba; | |
eb016566 | 3009 | uint32_t eratt = 0; |
aa6fbb75 | 3010 | uint64_t sli_intr, cnt; |
9399627f JS |
3011 | |
3012 | phba = (struct lpfc_hba *)ptr; | |
3013 | ||
aa6fbb75 JS |
3014 | /* Here we will also keep track of interrupts per sec of the hba */ |
3015 | sli_intr = phba->sli.slistat.sli_intr; | |
3016 | ||
3017 | if (phba->sli.slistat.sli_prev_intr > sli_intr) | |
3018 | cnt = (((uint64_t)(-1) - phba->sli.slistat.sli_prev_intr) + | |
3019 | sli_intr); | |
3020 | else | |
3021 | cnt = (sli_intr - phba->sli.slistat.sli_prev_intr); | |
3022 | ||
65791f1f JS |
3023 | /* 64-bit integer division not supported on 32-bit x86 - use do_div */ |
3024 | do_div(cnt, phba->eratt_poll_interval); | |
aa6fbb75 JS |
3025 | phba->sli.slistat.sli_ips = cnt; |
3026 | ||
3027 | phba->sli.slistat.sli_prev_intr = sli_intr; | |
3028 | ||
9399627f JS |
3029 | /* Check chip HA register for error event */ |
3030 | eratt = lpfc_sli_check_eratt(phba); | |
3031 | ||
3032 | if (eratt) | |
3033 | /* Tell the worker thread there is work to do */ | |
3034 | lpfc_worker_wake_up(phba); | |
3035 | else | |
3036 | /* Restart the timer for next eratt poll */ | |
256ec0d0 JS |
3037 | mod_timer(&phba->eratt_poll, |
3038 | jiffies + | |
65791f1f | 3039 | msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
9399627f JS |
3040 | return; |
3041 | } | |
3042 | ||
875fbdfe | 3043 | |
e59058c4 | 3044 | /** |
3621a710 | 3045 | * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring |
e59058c4 JS |
3046 | * @phba: Pointer to HBA context object. |
3047 | * @pring: Pointer to driver SLI ring object. | |
3048 | * @mask: Host attention register mask for this ring. | |
3049 | * | |
3050 | * This function is called from the interrupt context when there is a ring | |
3051 | * event for the fcp ring. The caller does not hold any lock. | |
3052 | * The function processes each response iocb in the response ring until it | |
25985edc | 3053 | * finds an iocb with LE bit set and chains all the iocbs up to the iocb with |
e59058c4 JS |
3054 | * LE bit set. The function will call the completion handler of the command iocb |
3055 | * if the response iocb indicates a completion for a command iocb or it is | |
3056 | * an abort completion. The function will call lpfc_sli_process_unsol_iocb | |
3057 | * function if this is an unsolicited iocb. | |
dea3101e | 3058 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
45ed1190 JS |
3059 | * to check it explicitly. |
3060 | */ | |
3061 | int | |
2e0fef85 JS |
3062 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
3063 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3064 | { |
34b02dcd | 3065 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
dea3101e | 3066 | IOCB_t *irsp = NULL; |
87f6eaff | 3067 | IOCB_t *entry = NULL; |
dea3101e JB |
3068 | struct lpfc_iocbq *cmdiocbq = NULL; |
3069 | struct lpfc_iocbq rspiocbq; | |
dea3101e JB |
3070 | uint32_t status; |
3071 | uint32_t portRspPut, portRspMax; | |
3072 | int rc = 1; | |
3073 | lpfc_iocb_type type; | |
3074 | unsigned long iflag; | |
3075 | uint32_t rsp_cmpl = 0; | |
dea3101e | 3076 | |
2e0fef85 | 3077 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3078 | pring->stats.iocb_event++; |
3079 | ||
dea3101e JB |
3080 | /* |
3081 | * The next available response entry should never exceed the maximum | |
3082 | * entries. If it does, treat it as an adapter hardware error. | |
3083 | */ | |
7e56aa25 | 3084 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3085 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3086 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 3087 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 3088 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3089 | return 1; |
3090 | } | |
45ed1190 JS |
3091 | if (phba->fcp_ring_in_use) { |
3092 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3093 | return 1; | |
3094 | } else | |
3095 | phba->fcp_ring_in_use = 1; | |
dea3101e JB |
3096 | |
3097 | rmb(); | |
7e56aa25 | 3098 | while (pring->sli.sli3.rspidx != portRspPut) { |
87f6eaff JSEC |
3099 | /* |
3100 | * Fetch an entry off the ring and copy it into a local data | |
3101 | * structure. The copy involves a byte-swap since the | |
3102 | * network byte order and pci byte orders are different. | |
3103 | */ | |
ed957684 | 3104 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 3105 | phba->last_completion_time = jiffies; |
875fbdfe | 3106 | |
7e56aa25 JS |
3107 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3108 | pring->sli.sli3.rspidx = 0; | |
875fbdfe | 3109 | |
87f6eaff JSEC |
3110 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
3111 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 3112 | phba->iocb_rsp_size); |
a4bc3379 | 3113 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
3114 | irsp = &rspiocbq.iocb; |
3115 | ||
dea3101e JB |
3116 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
3117 | pring->stats.iocb_rsp++; | |
3118 | rsp_cmpl++; | |
3119 | ||
3120 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
3121 | /* |
3122 | * If resource errors reported from HBA, reduce | |
3123 | * queuedepths of the SCSI device. | |
3124 | */ | |
3125 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3126 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3127 | IOERR_NO_RESOURCES)) { | |
92d7f7b0 | 3128 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3129 | phba->lpfc_rampdown_queue_depth(phba); |
92d7f7b0 JS |
3130 | spin_lock_irqsave(&phba->hbalock, iflag); |
3131 | } | |
3132 | ||
dea3101e JB |
3133 | /* Rsp ring <ringno> error: IOCB */ |
3134 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 3135 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 3136 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 3137 | pring->ringno, |
92d7f7b0 JS |
3138 | irsp->un.ulpWord[0], |
3139 | irsp->un.ulpWord[1], | |
3140 | irsp->un.ulpWord[2], | |
3141 | irsp->un.ulpWord[3], | |
3142 | irsp->un.ulpWord[4], | |
3143 | irsp->un.ulpWord[5], | |
d7c255b2 JS |
3144 | *(uint32_t *)&irsp->un1, |
3145 | *((uint32_t *)&irsp->un1 + 1)); | |
dea3101e JB |
3146 | } |
3147 | ||
3148 | switch (type) { | |
3149 | case LPFC_ABORT_IOCB: | |
3150 | case LPFC_SOL_IOCB: | |
3151 | /* | |
3152 | * Idle exchange closed via ABTS from port. No iocb | |
3153 | * resources need to be recovered. | |
3154 | */ | |
3155 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 3156 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 3157 | "0333 IOCB cmd 0x%x" |
dca9479b | 3158 | " processed. Skipping" |
92d7f7b0 | 3159 | " completion\n", |
dca9479b | 3160 | irsp->ulpCommand); |
dea3101e JB |
3161 | break; |
3162 | } | |
3163 | ||
604a3e30 JB |
3164 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
3165 | &rspiocbq); | |
0f65ff68 JS |
3166 | if (unlikely(!cmdiocbq)) |
3167 | break; | |
3168 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
3169 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
3170 | if (cmdiocbq->iocb_cmpl) { | |
3171 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3172 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
3173 | &rspiocbq); | |
3174 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3175 | } | |
dea3101e | 3176 | break; |
a4bc3379 | 3177 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 3178 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 3179 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 3180 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 3181 | break; |
dea3101e JB |
3182 | default: |
3183 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3184 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3185 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3186 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
3187 | MAX_MSG_DATA); | |
898eb71c JP |
3188 | dev_warn(&((phba->pcidev)->dev), |
3189 | "lpfc%d: %s\n", | |
dea3101e JB |
3190 | phba->brd_no, adaptermsg); |
3191 | } else { | |
3192 | /* Unknown IOCB command */ | |
3193 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 3194 | "0334 Unknown IOCB command " |
92d7f7b0 | 3195 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 3196 | type, irsp->ulpCommand, |
92d7f7b0 JS |
3197 | irsp->ulpStatus, |
3198 | irsp->ulpIoTag, | |
3199 | irsp->ulpContext); | |
dea3101e JB |
3200 | } |
3201 | break; | |
3202 | } | |
3203 | ||
3204 | /* | |
3205 | * The response IOCB has been processed. Update the ring | |
3206 | * pointer in SLIM. If the port response put pointer has not | |
3207 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
3208 | * response put pointer. | |
3209 | */ | |
7e56aa25 JS |
3210 | writel(pring->sli.sli3.rspidx, |
3211 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3212 | |
7e56aa25 | 3213 | if (pring->sli.sli3.rspidx == portRspPut) |
dea3101e JB |
3214 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3215 | } | |
3216 | ||
3217 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
3218 | pring->stats.iocb_rsp_full++; | |
3219 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3220 | writel(status, phba->CAregaddr); | |
3221 | readl(phba->CAregaddr); | |
3222 | } | |
3223 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3224 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3225 | pring->stats.iocb_cmd_empty++; | |
3226 | ||
3227 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3228 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3229 | lpfc_sli_resume_iocb(phba, pring); |
3230 | ||
3231 | if ((pring->lpfc_sli_cmd_available)) | |
3232 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3233 | ||
3234 | } | |
3235 | ||
45ed1190 | 3236 | phba->fcp_ring_in_use = 0; |
2e0fef85 | 3237 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3238 | return rc; |
3239 | } | |
3240 | ||
e59058c4 | 3241 | /** |
3772a991 JS |
3242 | * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb |
3243 | * @phba: Pointer to HBA context object. | |
3244 | * @pring: Pointer to driver SLI ring object. | |
3245 | * @rspiocbp: Pointer to driver response IOCB object. | |
3246 | * | |
3247 | * This function is called from the worker thread when there is a slow-path | |
3248 | * response IOCB to process. This function chains all the response iocbs until | |
3249 | * seeing the iocb with the LE bit set. The function will call | |
3250 | * lpfc_sli_process_sol_iocb function if the response iocb indicates a | |
3251 | * completion of a command iocb. The function will call the | |
3252 | * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb. | |
3253 | * The function frees the resources or calls the completion handler if this | |
3254 | * iocb is an abort completion. The function returns NULL when the response | |
3255 | * iocb has the LE bit set and all the chained iocbs are processed, otherwise | |
3256 | * this function shall chain the iocb on to the iocb_continueq and return the | |
3257 | * response iocb passed in. | |
3258 | **/ | |
3259 | static struct lpfc_iocbq * | |
3260 | lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3261 | struct lpfc_iocbq *rspiocbp) | |
3262 | { | |
3263 | struct lpfc_iocbq *saveq; | |
3264 | struct lpfc_iocbq *cmdiocbp; | |
3265 | struct lpfc_iocbq *next_iocb; | |
3266 | IOCB_t *irsp = NULL; | |
3267 | uint32_t free_saveq; | |
3268 | uint8_t iocb_cmd_type; | |
3269 | lpfc_iocb_type type; | |
3270 | unsigned long iflag; | |
3271 | int rc; | |
3272 | ||
3273 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3274 | /* First add the response iocb to the countinueq list */ | |
3275 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); | |
3276 | pring->iocb_continueq_cnt++; | |
3277 | ||
70f23fd6 | 3278 | /* Now, determine whether the list is completed for processing */ |
3772a991 JS |
3279 | irsp = &rspiocbp->iocb; |
3280 | if (irsp->ulpLe) { | |
3281 | /* | |
3282 | * By default, the driver expects to free all resources | |
3283 | * associated with this iocb completion. | |
3284 | */ | |
3285 | free_saveq = 1; | |
3286 | saveq = list_get_first(&pring->iocb_continueq, | |
3287 | struct lpfc_iocbq, list); | |
3288 | irsp = &(saveq->iocb); | |
3289 | list_del_init(&pring->iocb_continueq); | |
3290 | pring->iocb_continueq_cnt = 0; | |
3291 | ||
3292 | pring->stats.iocb_rsp++; | |
3293 | ||
3294 | /* | |
3295 | * If resource errors reported from HBA, reduce | |
3296 | * queuedepths of the SCSI device. | |
3297 | */ | |
3298 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3299 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3300 | IOERR_NO_RESOURCES)) { | |
3772a991 JS |
3301 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3302 | phba->lpfc_rampdown_queue_depth(phba); | |
3303 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3304 | } | |
3305 | ||
3306 | if (irsp->ulpStatus) { | |
3307 | /* Rsp ring <ringno> error: IOCB */ | |
3308 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
3309 | "0328 Rsp Ring %d error: " | |
3310 | "IOCB Data: " | |
3311 | "x%x x%x x%x x%x " | |
3312 | "x%x x%x x%x x%x " | |
3313 | "x%x x%x x%x x%x " | |
3314 | "x%x x%x x%x x%x\n", | |
3315 | pring->ringno, | |
3316 | irsp->un.ulpWord[0], | |
3317 | irsp->un.ulpWord[1], | |
3318 | irsp->un.ulpWord[2], | |
3319 | irsp->un.ulpWord[3], | |
3320 | irsp->un.ulpWord[4], | |
3321 | irsp->un.ulpWord[5], | |
3322 | *(((uint32_t *) irsp) + 6), | |
3323 | *(((uint32_t *) irsp) + 7), | |
3324 | *(((uint32_t *) irsp) + 8), | |
3325 | *(((uint32_t *) irsp) + 9), | |
3326 | *(((uint32_t *) irsp) + 10), | |
3327 | *(((uint32_t *) irsp) + 11), | |
3328 | *(((uint32_t *) irsp) + 12), | |
3329 | *(((uint32_t *) irsp) + 13), | |
3330 | *(((uint32_t *) irsp) + 14), | |
3331 | *(((uint32_t *) irsp) + 15)); | |
3332 | } | |
3333 | ||
3334 | /* | |
3335 | * Fetch the IOCB command type and call the correct completion | |
3336 | * routine. Solicited and Unsolicited IOCBs on the ELS ring | |
3337 | * get freed back to the lpfc_iocb_list by the discovery | |
3338 | * kernel thread. | |
3339 | */ | |
3340 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
3341 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
3342 | switch (type) { | |
3343 | case LPFC_SOL_IOCB: | |
3344 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3345 | rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); | |
3346 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3347 | break; | |
3348 | ||
3349 | case LPFC_UNSOL_IOCB: | |
3350 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3351 | rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); | |
3352 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3353 | if (!rc) | |
3354 | free_saveq = 0; | |
3355 | break; | |
3356 | ||
3357 | case LPFC_ABORT_IOCB: | |
3358 | cmdiocbp = NULL; | |
3359 | if (irsp->ulpCommand != CMD_XRI_ABORTED_CX) | |
3360 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, | |
3361 | saveq); | |
3362 | if (cmdiocbp) { | |
3363 | /* Call the specified completion routine */ | |
3364 | if (cmdiocbp->iocb_cmpl) { | |
3365 | spin_unlock_irqrestore(&phba->hbalock, | |
3366 | iflag); | |
3367 | (cmdiocbp->iocb_cmpl)(phba, cmdiocbp, | |
3368 | saveq); | |
3369 | spin_lock_irqsave(&phba->hbalock, | |
3370 | iflag); | |
3371 | } else | |
3372 | __lpfc_sli_release_iocbq(phba, | |
3373 | cmdiocbp); | |
3374 | } | |
3375 | break; | |
3376 | ||
3377 | case LPFC_UNKNOWN_IOCB: | |
3378 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3379 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3380 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3381 | memcpy(&adaptermsg[0], (uint8_t *)irsp, | |
3382 | MAX_MSG_DATA); | |
3383 | dev_warn(&((phba->pcidev)->dev), | |
3384 | "lpfc%d: %s\n", | |
3385 | phba->brd_no, adaptermsg); | |
3386 | } else { | |
3387 | /* Unknown IOCB command */ | |
3388 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3389 | "0335 Unknown IOCB " | |
3390 | "command Data: x%x " | |
3391 | "x%x x%x x%x\n", | |
3392 | irsp->ulpCommand, | |
3393 | irsp->ulpStatus, | |
3394 | irsp->ulpIoTag, | |
3395 | irsp->ulpContext); | |
3396 | } | |
3397 | break; | |
3398 | } | |
3399 | ||
3400 | if (free_saveq) { | |
3401 | list_for_each_entry_safe(rspiocbp, next_iocb, | |
3402 | &saveq->list, list) { | |
61f35bff | 3403 | list_del_init(&rspiocbp->list); |
3772a991 JS |
3404 | __lpfc_sli_release_iocbq(phba, rspiocbp); |
3405 | } | |
3406 | __lpfc_sli_release_iocbq(phba, saveq); | |
3407 | } | |
3408 | rspiocbp = NULL; | |
3409 | } | |
3410 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3411 | return rspiocbp; | |
3412 | } | |
3413 | ||
3414 | /** | |
3415 | * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs | |
e59058c4 JS |
3416 | * @phba: Pointer to HBA context object. |
3417 | * @pring: Pointer to driver SLI ring object. | |
3418 | * @mask: Host attention register mask for this ring. | |
3419 | * | |
3772a991 JS |
3420 | * This routine wraps the actual slow_ring event process routine from the |
3421 | * API jump table function pointer from the lpfc_hba struct. | |
e59058c4 | 3422 | **/ |
3772a991 | 3423 | void |
2e0fef85 JS |
3424 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
3425 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3772a991 JS |
3426 | { |
3427 | phba->lpfc_sli_handle_slow_ring_event(phba, pring, mask); | |
3428 | } | |
3429 | ||
3430 | /** | |
3431 | * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings | |
3432 | * @phba: Pointer to HBA context object. | |
3433 | * @pring: Pointer to driver SLI ring object. | |
3434 | * @mask: Host attention register mask for this ring. | |
3435 | * | |
3436 | * This function is called from the worker thread when there is a ring event | |
3437 | * for non-fcp rings. The caller does not hold any lock. The function will | |
3438 | * remove each response iocb in the response ring and calls the handle | |
3439 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3440 | **/ | |
3441 | static void | |
3442 | lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba *phba, | |
3443 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3444 | { |
34b02dcd | 3445 | struct lpfc_pgp *pgp; |
dea3101e JB |
3446 | IOCB_t *entry; |
3447 | IOCB_t *irsp = NULL; | |
3448 | struct lpfc_iocbq *rspiocbp = NULL; | |
dea3101e | 3449 | uint32_t portRspPut, portRspMax; |
dea3101e | 3450 | unsigned long iflag; |
3772a991 | 3451 | uint32_t status; |
dea3101e | 3452 | |
34b02dcd | 3453 | pgp = &phba->port_gp[pring->ringno]; |
2e0fef85 | 3454 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3455 | pring->stats.iocb_event++; |
3456 | ||
dea3101e JB |
3457 | /* |
3458 | * The next available response entry should never exceed the maximum | |
3459 | * entries. If it does, treat it as an adapter hardware error. | |
3460 | */ | |
7e56aa25 | 3461 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3462 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3463 | if (portRspPut >= portRspMax) { | |
3464 | /* | |
025dfdaf | 3465 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
dea3101e JB |
3466 | * rsp ring <portRspMax> |
3467 | */ | |
ed957684 | 3468 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 3469 | "0303 Ring %d handler: portRspPut %d " |
025dfdaf | 3470 | "is bigger than rsp ring %d\n", |
e8b62011 | 3471 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 3472 | |
2e0fef85 JS |
3473 | phba->link_state = LPFC_HBA_ERROR; |
3474 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e JB |
3475 | |
3476 | phba->work_hs = HS_FFER3; | |
3477 | lpfc_handle_eratt(phba); | |
3478 | ||
3772a991 | 3479 | return; |
dea3101e JB |
3480 | } |
3481 | ||
3482 | rmb(); | |
7e56aa25 | 3483 | while (pring->sli.sli3.rspidx != portRspPut) { |
dea3101e JB |
3484 | /* |
3485 | * Build a completion list and call the appropriate handler. | |
3486 | * The process is to get the next available response iocb, get | |
3487 | * a free iocb from the list, copy the response data into the | |
3488 | * free iocb, insert to the continuation list, and update the | |
3489 | * next response index to slim. This process makes response | |
3490 | * iocb's in the ring available to DMA as fast as possible but | |
3491 | * pays a penalty for a copy operation. Since the iocb is | |
3492 | * only 32 bytes, this penalty is considered small relative to | |
3493 | * the PCI reads for register values and a slim write. When | |
3494 | * the ulpLe field is set, the entire Command has been | |
3495 | * received. | |
3496 | */ | |
ed957684 JS |
3497 | entry = lpfc_resp_iocb(phba, pring); |
3498 | ||
858c9f6c | 3499 | phba->last_completion_time = jiffies; |
2e0fef85 | 3500 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
3501 | if (rspiocbp == NULL) { |
3502 | printk(KERN_ERR "%s: out of buffers! Failing " | |
cadbd4a5 | 3503 | "completion.\n", __func__); |
dea3101e JB |
3504 | break; |
3505 | } | |
3506 | ||
ed957684 JS |
3507 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
3508 | phba->iocb_rsp_size); | |
dea3101e JB |
3509 | irsp = &rspiocbp->iocb; |
3510 | ||
7e56aa25 JS |
3511 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3512 | pring->sli.sli3.rspidx = 0; | |
dea3101e | 3513 | |
a58cbd52 JS |
3514 | if (pring->ringno == LPFC_ELS_RING) { |
3515 | lpfc_debugfs_slow_ring_trc(phba, | |
3516 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
3517 | *(((uint32_t *) irsp) + 4), | |
3518 | *(((uint32_t *) irsp) + 6), | |
3519 | *(((uint32_t *) irsp) + 7)); | |
3520 | } | |
3521 | ||
7e56aa25 JS |
3522 | writel(pring->sli.sli3.rspidx, |
3523 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3524 | |
3772a991 JS |
3525 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3526 | /* Handle the response IOCB */ | |
3527 | rspiocbp = lpfc_sli_sp_handle_rspiocb(phba, pring, rspiocbp); | |
3528 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e JB |
3529 | |
3530 | /* | |
3531 | * If the port response put pointer has not been updated, sync | |
3532 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
3533 | * response put pointer. | |
3534 | */ | |
7e56aa25 | 3535 | if (pring->sli.sli3.rspidx == portRspPut) { |
dea3101e JB |
3536 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3537 | } | |
7e56aa25 | 3538 | } /* while (pring->sli.sli3.rspidx != portRspPut) */ |
dea3101e | 3539 | |
92d7f7b0 | 3540 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e JB |
3541 | /* At least one response entry has been freed */ |
3542 | pring->stats.iocb_rsp_full++; | |
3543 | /* SET RxRE_RSP in Chip Att register */ | |
3544 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3545 | writel(status, phba->CAregaddr); | |
3546 | readl(phba->CAregaddr); /* flush */ | |
3547 | } | |
3548 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3549 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3550 | pring->stats.iocb_cmd_empty++; | |
3551 | ||
3552 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3553 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3554 | lpfc_sli_resume_iocb(phba, pring); |
3555 | ||
3556 | if ((pring->lpfc_sli_cmd_available)) | |
3557 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3558 | ||
3559 | } | |
3560 | ||
2e0fef85 | 3561 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3562 | return; |
dea3101e JB |
3563 | } |
3564 | ||
4f774513 JS |
3565 | /** |
3566 | * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events | |
3567 | * @phba: Pointer to HBA context object. | |
3568 | * @pring: Pointer to driver SLI ring object. | |
3569 | * @mask: Host attention register mask for this ring. | |
3570 | * | |
3571 | * This function is called from the worker thread when there is a pending | |
3572 | * ELS response iocb on the driver internal slow-path response iocb worker | |
3573 | * queue. The caller does not hold any lock. The function will remove each | |
3574 | * response iocb from the response worker queue and calls the handle | |
3575 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3576 | **/ | |
3577 | static void | |
3578 | lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, | |
3579 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3580 | { | |
3581 | struct lpfc_iocbq *irspiocbq; | |
4d9ab994 JS |
3582 | struct hbq_dmabuf *dmabuf; |
3583 | struct lpfc_cq_event *cq_event; | |
4f774513 JS |
3584 | unsigned long iflag; |
3585 | ||
45ed1190 JS |
3586 | spin_lock_irqsave(&phba->hbalock, iflag); |
3587 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
3588 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3589 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
4f774513 JS |
3590 | /* Get the response iocb from the head of work queue */ |
3591 | spin_lock_irqsave(&phba->hbalock, iflag); | |
45ed1190 | 3592 | list_remove_head(&phba->sli4_hba.sp_queue_event, |
4d9ab994 | 3593 | cq_event, struct lpfc_cq_event, list); |
4f774513 | 3594 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
4d9ab994 JS |
3595 | |
3596 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
3597 | case CQE_CODE_COMPL_WQE: | |
3598 | irspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
3599 | cq_event); | |
45ed1190 JS |
3600 | /* Translate ELS WCQE to response IOCBQ */ |
3601 | irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba, | |
3602 | irspiocbq); | |
3603 | if (irspiocbq) | |
3604 | lpfc_sli_sp_handle_rspiocb(phba, pring, | |
3605 | irspiocbq); | |
4d9ab994 JS |
3606 | break; |
3607 | case CQE_CODE_RECEIVE: | |
7851fe2c | 3608 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 JS |
3609 | dmabuf = container_of(cq_event, struct hbq_dmabuf, |
3610 | cq_event); | |
3611 | lpfc_sli4_handle_received_buffer(phba, dmabuf); | |
3612 | break; | |
3613 | default: | |
3614 | break; | |
3615 | } | |
4f774513 JS |
3616 | } |
3617 | } | |
3618 | ||
e59058c4 | 3619 | /** |
3621a710 | 3620 | * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring |
e59058c4 JS |
3621 | * @phba: Pointer to HBA context object. |
3622 | * @pring: Pointer to driver SLI ring object. | |
3623 | * | |
3624 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3625 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3626 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3627 | * the return of this function. The caller is not required to hold any locks. | |
3628 | **/ | |
2e0fef85 | 3629 | void |
dea3101e JB |
3630 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
3631 | { | |
2534ba75 | 3632 | LIST_HEAD(completions); |
dea3101e | 3633 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 3634 | |
92d7f7b0 JS |
3635 | if (pring->ringno == LPFC_ELS_RING) { |
3636 | lpfc_fabric_abort_hba(phba); | |
3637 | } | |
3638 | ||
dea3101e JB |
3639 | /* Error everything on txq and txcmplq |
3640 | * First do the txq. | |
3641 | */ | |
db55fba8 JS |
3642 | if (phba->sli_rev >= LPFC_SLI_REV4) { |
3643 | spin_lock_irq(&pring->ring_lock); | |
3644 | list_splice_init(&pring->txq, &completions); | |
3645 | pring->txq_cnt = 0; | |
3646 | spin_unlock_irq(&pring->ring_lock); | |
dea3101e | 3647 | |
db55fba8 JS |
3648 | spin_lock_irq(&phba->hbalock); |
3649 | /* Next issue ABTS for everything on the txcmplq */ | |
3650 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3651 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3652 | spin_unlock_irq(&phba->hbalock); | |
3653 | } else { | |
3654 | spin_lock_irq(&phba->hbalock); | |
3655 | list_splice_init(&pring->txq, &completions); | |
3656 | pring->txq_cnt = 0; | |
dea3101e | 3657 | |
db55fba8 JS |
3658 | /* Next issue ABTS for everything on the txcmplq */ |
3659 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3660 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3661 | spin_unlock_irq(&phba->hbalock); | |
3662 | } | |
dea3101e | 3663 | |
a257bf90 JS |
3664 | /* Cancel all the IOCBs from the completions list */ |
3665 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3666 | IOERR_SLI_ABORTED); | |
dea3101e JB |
3667 | } |
3668 | ||
895427bd JS |
3669 | /** |
3670 | * lpfc_sli_abort_wqe_ring - Abort all iocbs in the ring | |
3671 | * @phba: Pointer to HBA context object. | |
3672 | * @pring: Pointer to driver SLI ring object. | |
3673 | * | |
3674 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3675 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3676 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3677 | * the return of this function. The caller is not required to hold any locks. | |
3678 | **/ | |
3679 | void | |
3680 | lpfc_sli_abort_wqe_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
3681 | { | |
3682 | LIST_HEAD(completions); | |
3683 | struct lpfc_iocbq *iocb, *next_iocb; | |
3684 | ||
3685 | if (pring->ringno == LPFC_ELS_RING) | |
3686 | lpfc_fabric_abort_hba(phba); | |
3687 | ||
3688 | spin_lock_irq(&phba->hbalock); | |
3689 | /* Next issue ABTS for everything on the txcmplq */ | |
3690 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3691 | lpfc_sli4_abort_nvme_io(phba, pring, iocb); | |
3692 | spin_unlock_irq(&phba->hbalock); | |
3693 | } | |
3694 | ||
3695 | ||
db55fba8 JS |
3696 | /** |
3697 | * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings | |
3698 | * @phba: Pointer to HBA context object. | |
3699 | * @pring: Pointer to driver SLI ring object. | |
3700 | * | |
3701 | * This function aborts all iocbs in FCP rings and frees all the iocb | |
3702 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3703 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3704 | * the return of this function. The caller is not required to hold any locks. | |
3705 | **/ | |
3706 | void | |
3707 | lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba) | |
3708 | { | |
3709 | struct lpfc_sli *psli = &phba->sli; | |
3710 | struct lpfc_sli_ring *pring; | |
3711 | uint32_t i; | |
3712 | ||
3713 | /* Look on all the FCP Rings for the iotag */ | |
3714 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
3715 | for (i = 0; i < phba->cfg_fcp_io_channel; i++) { | |
895427bd | 3716 | pring = phba->sli4_hba.fcp_wq[i]->pring; |
db55fba8 JS |
3717 | lpfc_sli_abort_iocb_ring(phba, pring); |
3718 | } | |
3719 | } else { | |
895427bd | 3720 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
db55fba8 JS |
3721 | lpfc_sli_abort_iocb_ring(phba, pring); |
3722 | } | |
3723 | } | |
3724 | ||
895427bd JS |
3725 | /** |
3726 | * lpfc_sli_abort_nvme_rings - Abort all wqes in all NVME rings | |
3727 | * @phba: Pointer to HBA context object. | |
3728 | * | |
3729 | * This function aborts all wqes in NVME rings. This function issues an | |
3730 | * abort wqe for all the outstanding IO commands in txcmplq. The iocbs in | |
3731 | * the txcmplq is not guaranteed to complete before the return of this | |
3732 | * function. The caller is not required to hold any locks. | |
3733 | **/ | |
3734 | void | |
3735 | lpfc_sli_abort_nvme_rings(struct lpfc_hba *phba) | |
3736 | { | |
3737 | struct lpfc_sli_ring *pring; | |
3738 | uint32_t i; | |
3739 | ||
3740 | if (phba->sli_rev < LPFC_SLI_REV4) | |
3741 | return; | |
3742 | ||
3743 | /* Abort all IO on each NVME ring. */ | |
3744 | for (i = 0; i < phba->cfg_nvme_io_channel; i++) { | |
3745 | pring = phba->sli4_hba.nvme_wq[i]->pring; | |
3746 | lpfc_sli_abort_wqe_ring(phba, pring); | |
3747 | } | |
3748 | } | |
3749 | ||
db55fba8 | 3750 | |
a8e497d5 | 3751 | /** |
3621a710 | 3752 | * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring |
a8e497d5 JS |
3753 | * @phba: Pointer to HBA context object. |
3754 | * | |
3755 | * This function flushes all iocbs in the fcp ring and frees all the iocb | |
3756 | * objects in txq and txcmplq. This function will not issue abort iocbs | |
3757 | * for all the iocb commands in txcmplq, they will just be returned with | |
3758 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
3759 | * slot has been permanently disabled. | |
3760 | **/ | |
3761 | void | |
3762 | lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) | |
3763 | { | |
3764 | LIST_HEAD(txq); | |
3765 | LIST_HEAD(txcmplq); | |
a8e497d5 JS |
3766 | struct lpfc_sli *psli = &phba->sli; |
3767 | struct lpfc_sli_ring *pring; | |
db55fba8 | 3768 | uint32_t i; |
a8e497d5 JS |
3769 | |
3770 | spin_lock_irq(&phba->hbalock); | |
4f2e66c6 JS |
3771 | /* Indicate the I/O queues are flushed */ |
3772 | phba->hba_flag |= HBA_FCP_IOQ_FLUSH; | |
a8e497d5 JS |
3773 | spin_unlock_irq(&phba->hbalock); |
3774 | ||
db55fba8 JS |
3775 | /* Look on all the FCP Rings for the iotag */ |
3776 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
3777 | for (i = 0; i < phba->cfg_fcp_io_channel; i++) { | |
895427bd | 3778 | pring = phba->sli4_hba.fcp_wq[i]->pring; |
db55fba8 JS |
3779 | |
3780 | spin_lock_irq(&pring->ring_lock); | |
3781 | /* Retrieve everything on txq */ | |
3782 | list_splice_init(&pring->txq, &txq); | |
3783 | /* Retrieve everything on the txcmplq */ | |
3784 | list_splice_init(&pring->txcmplq, &txcmplq); | |
3785 | pring->txq_cnt = 0; | |
3786 | pring->txcmplq_cnt = 0; | |
3787 | spin_unlock_irq(&pring->ring_lock); | |
3788 | ||
3789 | /* Flush the txq */ | |
3790 | lpfc_sli_cancel_iocbs(phba, &txq, | |
3791 | IOSTAT_LOCAL_REJECT, | |
3792 | IOERR_SLI_DOWN); | |
3793 | /* Flush the txcmpq */ | |
3794 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
3795 | IOSTAT_LOCAL_REJECT, | |
3796 | IOERR_SLI_DOWN); | |
3797 | } | |
3798 | } else { | |
895427bd | 3799 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
a8e497d5 | 3800 | |
db55fba8 JS |
3801 | spin_lock_irq(&phba->hbalock); |
3802 | /* Retrieve everything on txq */ | |
3803 | list_splice_init(&pring->txq, &txq); | |
3804 | /* Retrieve everything on the txcmplq */ | |
3805 | list_splice_init(&pring->txcmplq, &txcmplq); | |
3806 | pring->txq_cnt = 0; | |
3807 | pring->txcmplq_cnt = 0; | |
3808 | spin_unlock_irq(&phba->hbalock); | |
3809 | ||
3810 | /* Flush the txq */ | |
3811 | lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, | |
3812 | IOERR_SLI_DOWN); | |
3813 | /* Flush the txcmpq */ | |
3814 | lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, | |
3815 | IOERR_SLI_DOWN); | |
3816 | } | |
a8e497d5 JS |
3817 | } |
3818 | ||
895427bd JS |
3819 | /** |
3820 | * lpfc_sli_flush_nvme_rings - flush all wqes in the nvme rings | |
3821 | * @phba: Pointer to HBA context object. | |
3822 | * | |
3823 | * This function flushes all wqes in the nvme rings and frees all resources | |
3824 | * in the txcmplq. This function does not issue abort wqes for the IO | |
3825 | * commands in txcmplq, they will just be returned with | |
3826 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
3827 | * slot has been permanently disabled. | |
3828 | **/ | |
3829 | void | |
3830 | lpfc_sli_flush_nvme_rings(struct lpfc_hba *phba) | |
3831 | { | |
3832 | LIST_HEAD(txcmplq); | |
3833 | struct lpfc_sli_ring *pring; | |
3834 | uint32_t i; | |
3835 | ||
3836 | if (phba->sli_rev < LPFC_SLI_REV4) | |
3837 | return; | |
3838 | ||
3839 | /* Hint to other driver operations that a flush is in progress. */ | |
3840 | spin_lock_irq(&phba->hbalock); | |
3841 | phba->hba_flag |= HBA_NVME_IOQ_FLUSH; | |
3842 | spin_unlock_irq(&phba->hbalock); | |
3843 | ||
3844 | /* Cycle through all NVME rings and complete each IO with | |
3845 | * a local driver reason code. This is a flush so no | |
3846 | * abort exchange to FW. | |
3847 | */ | |
3848 | for (i = 0; i < phba->cfg_nvme_io_channel; i++) { | |
3849 | pring = phba->sli4_hba.nvme_wq[i]->pring; | |
3850 | ||
3851 | /* Retrieve everything on the txcmplq */ | |
3852 | spin_lock_irq(&pring->ring_lock); | |
3853 | list_splice_init(&pring->txcmplq, &txcmplq); | |
3854 | pring->txcmplq_cnt = 0; | |
3855 | spin_unlock_irq(&pring->ring_lock); | |
3856 | ||
3857 | /* Flush the txcmpq &&&PAE */ | |
3858 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
3859 | IOSTAT_LOCAL_REJECT, | |
3860 | IOERR_SLI_DOWN); | |
3861 | } | |
3862 | } | |
3863 | ||
e59058c4 | 3864 | /** |
3772a991 | 3865 | * lpfc_sli_brdready_s3 - Check for sli3 host ready status |
e59058c4 JS |
3866 | * @phba: Pointer to HBA context object. |
3867 | * @mask: Bit mask to be checked. | |
3868 | * | |
3869 | * This function reads the host status register and compares | |
3870 | * with the provided bit mask to check if HBA completed | |
3871 | * the restart. This function will wait in a loop for the | |
3872 | * HBA to complete restart. If the HBA does not restart within | |
3873 | * 15 iterations, the function will reset the HBA again. The | |
3874 | * function returns 1 when HBA fail to restart otherwise returns | |
3875 | * zero. | |
3876 | **/ | |
3772a991 JS |
3877 | static int |
3878 | lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask) | |
dea3101e | 3879 | { |
41415862 JW |
3880 | uint32_t status; |
3881 | int i = 0; | |
3882 | int retval = 0; | |
dea3101e | 3883 | |
41415862 | 3884 | /* Read the HBA Host Status Register */ |
9940b97b JS |
3885 | if (lpfc_readl(phba->HSregaddr, &status)) |
3886 | return 1; | |
dea3101e | 3887 | |
41415862 JW |
3888 | /* |
3889 | * Check status register every 100ms for 5 retries, then every | |
3890 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
3891 | * every 2.5 sec for 4. | |
3892 | * Break our of the loop if errors occurred during init. | |
3893 | */ | |
3894 | while (((status & mask) != mask) && | |
3895 | !(status & HS_FFERM) && | |
3896 | i++ < 20) { | |
dea3101e | 3897 | |
41415862 JW |
3898 | if (i <= 5) |
3899 | msleep(10); | |
3900 | else if (i <= 10) | |
3901 | msleep(500); | |
3902 | else | |
3903 | msleep(2500); | |
dea3101e | 3904 | |
41415862 | 3905 | if (i == 15) { |
2e0fef85 | 3906 | /* Do post */ |
92d7f7b0 | 3907 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
3908 | lpfc_sli_brdrestart(phba); |
3909 | } | |
3910 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
3911 | if (lpfc_readl(phba->HSregaddr, &status)) { |
3912 | retval = 1; | |
3913 | break; | |
3914 | } | |
41415862 | 3915 | } |
dea3101e | 3916 | |
41415862 JW |
3917 | /* Check to see if any errors occurred during init */ |
3918 | if ((status & HS_FFERM) || (i >= 20)) { | |
e40a02c1 JS |
3919 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
3920 | "2751 Adapter failed to restart, " | |
3921 | "status reg x%x, FW Data: A8 x%x AC x%x\n", | |
3922 | status, | |
3923 | readl(phba->MBslimaddr + 0xa8), | |
3924 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 3925 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 3926 | retval = 1; |
dea3101e | 3927 | } |
dea3101e | 3928 | |
41415862 JW |
3929 | return retval; |
3930 | } | |
dea3101e | 3931 | |
da0436e9 JS |
3932 | /** |
3933 | * lpfc_sli_brdready_s4 - Check for sli4 host ready status | |
3934 | * @phba: Pointer to HBA context object. | |
3935 | * @mask: Bit mask to be checked. | |
3936 | * | |
3937 | * This function checks the host status register to check if HBA is | |
3938 | * ready. This function will wait in a loop for the HBA to be ready | |
3939 | * If the HBA is not ready , the function will will reset the HBA PCI | |
3940 | * function again. The function returns 1 when HBA fail to be ready | |
3941 | * otherwise returns zero. | |
3942 | **/ | |
3943 | static int | |
3944 | lpfc_sli_brdready_s4(struct lpfc_hba *phba, uint32_t mask) | |
3945 | { | |
3946 | uint32_t status; | |
3947 | int retval = 0; | |
3948 | ||
3949 | /* Read the HBA Host Status Register */ | |
3950 | status = lpfc_sli4_post_status_check(phba); | |
3951 | ||
3952 | if (status) { | |
3953 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
3954 | lpfc_sli_brdrestart(phba); | |
3955 | status = lpfc_sli4_post_status_check(phba); | |
3956 | } | |
3957 | ||
3958 | /* Check to see if any errors occurred during init */ | |
3959 | if (status) { | |
3960 | phba->link_state = LPFC_HBA_ERROR; | |
3961 | retval = 1; | |
3962 | } else | |
3963 | phba->sli4_hba.intr_enable = 0; | |
3964 | ||
3965 | return retval; | |
3966 | } | |
3967 | ||
3968 | /** | |
3969 | * lpfc_sli_brdready - Wrapper func for checking the hba readyness | |
3970 | * @phba: Pointer to HBA context object. | |
3971 | * @mask: Bit mask to be checked. | |
3972 | * | |
3973 | * This routine wraps the actual SLI3 or SLI4 hba readyness check routine | |
3974 | * from the API jump table function pointer from the lpfc_hba struct. | |
3975 | **/ | |
3976 | int | |
3977 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) | |
3978 | { | |
3979 | return phba->lpfc_sli_brdready(phba, mask); | |
3980 | } | |
3981 | ||
9290831f JS |
3982 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
3983 | ||
e59058c4 | 3984 | /** |
3621a710 | 3985 | * lpfc_reset_barrier - Make HBA ready for HBA reset |
e59058c4 JS |
3986 | * @phba: Pointer to HBA context object. |
3987 | * | |
1b51197d JS |
3988 | * This function is called before resetting an HBA. This function is called |
3989 | * with hbalock held and requests HBA to quiesce DMAs before a reset. | |
e59058c4 | 3990 | **/ |
2e0fef85 | 3991 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 3992 | { |
65a29c16 JS |
3993 | uint32_t __iomem *resp_buf; |
3994 | uint32_t __iomem *mbox_buf; | |
9290831f | 3995 | volatile uint32_t mbox; |
9940b97b | 3996 | uint32_t hc_copy, ha_copy, resp_data; |
9290831f JS |
3997 | int i; |
3998 | uint8_t hdrtype; | |
3999 | ||
1c2ba475 JT |
4000 | lockdep_assert_held(&phba->hbalock); |
4001 | ||
9290831f JS |
4002 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
4003 | if (hdrtype != 0x80 || | |
4004 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
4005 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
4006 | return; | |
4007 | ||
4008 | /* | |
4009 | * Tell the other part of the chip to suspend temporarily all | |
4010 | * its DMA activity. | |
4011 | */ | |
65a29c16 | 4012 | resp_buf = phba->MBslimaddr; |
9290831f JS |
4013 | |
4014 | /* Disable the error attention */ | |
9940b97b JS |
4015 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
4016 | return; | |
9290831f JS |
4017 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
4018 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 4019 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f | 4020 | |
9940b97b JS |
4021 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4022 | return; | |
4023 | if (ha_copy & HA_ERATT) { | |
9290831f JS |
4024 | /* Clear Chip error bit */ |
4025 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4026 | phba->pport->stopped = 1; |
9290831f JS |
4027 | } |
4028 | ||
4029 | mbox = 0; | |
4030 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
4031 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
4032 | ||
4033 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 4034 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
4035 | writel(mbox, mbox_buf); |
4036 | ||
9940b97b JS |
4037 | for (i = 0; i < 50; i++) { |
4038 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4039 | return; | |
4040 | if (resp_data != ~(BARRIER_TEST_PATTERN)) | |
4041 | mdelay(1); | |
4042 | else | |
4043 | break; | |
4044 | } | |
4045 | resp_data = 0; | |
4046 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4047 | return; | |
4048 | if (resp_data != ~(BARRIER_TEST_PATTERN)) { | |
f4b4c68f | 4049 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE || |
2e0fef85 | 4050 | phba->pport->stopped) |
9290831f JS |
4051 | goto restore_hc; |
4052 | else | |
4053 | goto clear_errat; | |
4054 | } | |
4055 | ||
4056 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
9940b97b JS |
4057 | resp_data = 0; |
4058 | for (i = 0; i < 500; i++) { | |
4059 | if (lpfc_readl(resp_buf, &resp_data)) | |
4060 | return; | |
4061 | if (resp_data != mbox) | |
4062 | mdelay(1); | |
4063 | else | |
4064 | break; | |
4065 | } | |
9290831f JS |
4066 | |
4067 | clear_errat: | |
4068 | ||
9940b97b JS |
4069 | while (++i < 500) { |
4070 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) | |
4071 | return; | |
4072 | if (!(ha_copy & HA_ERATT)) | |
4073 | mdelay(1); | |
4074 | else | |
4075 | break; | |
4076 | } | |
9290831f JS |
4077 | |
4078 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
4079 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4080 | phba->pport->stopped = 1; |
9290831f JS |
4081 | } |
4082 | ||
4083 | restore_hc: | |
2e0fef85 | 4084 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
4085 | writel(hc_copy, phba->HCregaddr); |
4086 | readl(phba->HCregaddr); /* flush */ | |
4087 | } | |
4088 | ||
e59058c4 | 4089 | /** |
3621a710 | 4090 | * lpfc_sli_brdkill - Issue a kill_board mailbox command |
e59058c4 JS |
4091 | * @phba: Pointer to HBA context object. |
4092 | * | |
4093 | * This function issues a kill_board mailbox command and waits for | |
4094 | * the error attention interrupt. This function is called for stopping | |
4095 | * the firmware processing. The caller is not required to hold any | |
4096 | * locks. This function calls lpfc_hba_down_post function to free | |
4097 | * any pending commands after the kill. The function will return 1 when it | |
4098 | * fails to kill the board else will return 0. | |
4099 | **/ | |
41415862 | 4100 | int |
2e0fef85 | 4101 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
4102 | { |
4103 | struct lpfc_sli *psli; | |
4104 | LPFC_MBOXQ_t *pmb; | |
4105 | uint32_t status; | |
4106 | uint32_t ha_copy; | |
4107 | int retval; | |
4108 | int i = 0; | |
dea3101e | 4109 | |
41415862 | 4110 | psli = &phba->sli; |
dea3101e | 4111 | |
41415862 | 4112 | /* Kill HBA */ |
ed957684 | 4113 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
4114 | "0329 Kill HBA Data: x%x x%x\n", |
4115 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 4116 | |
98c9ea5c JS |
4117 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4118 | if (!pmb) | |
41415862 | 4119 | return 1; |
41415862 JW |
4120 | |
4121 | /* Disable the error attention */ | |
2e0fef85 | 4122 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
4123 | if (lpfc_readl(phba->HCregaddr, &status)) { |
4124 | spin_unlock_irq(&phba->hbalock); | |
4125 | mempool_free(pmb, phba->mbox_mem_pool); | |
4126 | return 1; | |
4127 | } | |
41415862 JW |
4128 | status &= ~HC_ERINT_ENA; |
4129 | writel(status, phba->HCregaddr); | |
4130 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
4131 | phba->link_flag |= LS_IGNORE_ERATT; |
4132 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4133 | |
4134 | lpfc_kill_board(phba, pmb); | |
4135 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4136 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4137 | ||
4138 | if (retval != MBX_SUCCESS) { | |
4139 | if (retval != MBX_BUSY) | |
4140 | mempool_free(pmb, phba->mbox_mem_pool); | |
e40a02c1 JS |
4141 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4142 | "2752 KILL_BOARD command failed retval %d\n", | |
4143 | retval); | |
2e0fef85 JS |
4144 | spin_lock_irq(&phba->hbalock); |
4145 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
4146 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4147 | return 1; |
4148 | } | |
4149 | ||
f4b4c68f JS |
4150 | spin_lock_irq(&phba->hbalock); |
4151 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
4152 | spin_unlock_irq(&phba->hbalock); | |
9290831f | 4153 | |
41415862 JW |
4154 | mempool_free(pmb, phba->mbox_mem_pool); |
4155 | ||
4156 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
4157 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
4158 | * 3 seconds we still set HBA_ERROR state because the status of the | |
4159 | * board is now undefined. | |
4160 | */ | |
9940b97b JS |
4161 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4162 | return 1; | |
41415862 JW |
4163 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
4164 | mdelay(100); | |
9940b97b JS |
4165 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4166 | return 1; | |
41415862 JW |
4167 | } |
4168 | ||
4169 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
4170 | if (ha_copy & HA_ERATT) { |
4171 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4172 | phba->pport->stopped = 1; |
9290831f | 4173 | } |
2e0fef85 | 4174 | spin_lock_irq(&phba->hbalock); |
41415862 | 4175 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
04c68496 | 4176 | psli->mbox_active = NULL; |
2e0fef85 JS |
4177 | phba->link_flag &= ~LS_IGNORE_ERATT; |
4178 | spin_unlock_irq(&phba->hbalock); | |
41415862 | 4179 | |
41415862 | 4180 | lpfc_hba_down_post(phba); |
2e0fef85 | 4181 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4182 | |
2e0fef85 | 4183 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e JB |
4184 | } |
4185 | ||
e59058c4 | 4186 | /** |
3772a991 | 4187 | * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA |
e59058c4 JS |
4188 | * @phba: Pointer to HBA context object. |
4189 | * | |
4190 | * This function resets the HBA by writing HC_INITFF to the control | |
4191 | * register. After the HBA resets, this function resets all the iocb ring | |
4192 | * indices. This function disables PCI layer parity checking during | |
4193 | * the reset. | |
4194 | * This function returns 0 always. | |
4195 | * The caller is not required to hold any locks. | |
4196 | **/ | |
41415862 | 4197 | int |
2e0fef85 | 4198 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 4199 | { |
41415862 | 4200 | struct lpfc_sli *psli; |
dea3101e | 4201 | struct lpfc_sli_ring *pring; |
41415862 | 4202 | uint16_t cfg_value; |
dea3101e | 4203 | int i; |
dea3101e | 4204 | |
41415862 | 4205 | psli = &phba->sli; |
dea3101e | 4206 | |
41415862 JW |
4207 | /* Reset HBA */ |
4208 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4209 | "0325 Reset HBA Data: x%x x%x\n", |
4492b739 JS |
4210 | (phba->pport) ? phba->pport->port_state : 0, |
4211 | psli->sli_flag); | |
dea3101e JB |
4212 | |
4213 | /* perform board reset */ | |
4214 | phba->fc_eventTag = 0; | |
4d9ab994 | 4215 | phba->link_events = 0; |
4492b739 JS |
4216 | if (phba->pport) { |
4217 | phba->pport->fc_myDID = 0; | |
4218 | phba->pport->fc_prevDID = 0; | |
4219 | } | |
dea3101e | 4220 | |
41415862 JW |
4221 | /* Turn off parity checking and serr during the physical reset */ |
4222 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
4223 | pci_write_config_word(phba->pcidev, PCI_COMMAND, | |
4224 | (cfg_value & | |
4225 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4226 | ||
3772a991 JS |
4227 | psli->sli_flag &= ~(LPFC_SLI_ACTIVE | LPFC_PROCESS_LA); |
4228 | ||
41415862 JW |
4229 | /* Now toggle INITFF bit in the Host Control Register */ |
4230 | writel(HC_INITFF, phba->HCregaddr); | |
4231 | mdelay(1); | |
4232 | readl(phba->HCregaddr); /* flush */ | |
4233 | writel(0, phba->HCregaddr); | |
4234 | readl(phba->HCregaddr); /* flush */ | |
4235 | ||
4236 | /* Restore PCI cmd register */ | |
4237 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e JB |
4238 | |
4239 | /* Initialize relevant SLI info */ | |
41415862 | 4240 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 4241 | pring = &psli->sli3_ring[i]; |
dea3101e | 4242 | pring->flag = 0; |
7e56aa25 JS |
4243 | pring->sli.sli3.rspidx = 0; |
4244 | pring->sli.sli3.next_cmdidx = 0; | |
4245 | pring->sli.sli3.local_getidx = 0; | |
4246 | pring->sli.sli3.cmdidx = 0; | |
dea3101e JB |
4247 | pring->missbufcnt = 0; |
4248 | } | |
dea3101e | 4249 | |
2e0fef85 | 4250 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
4251 | return 0; |
4252 | } | |
4253 | ||
e59058c4 | 4254 | /** |
da0436e9 JS |
4255 | * lpfc_sli4_brdreset - Reset a sli-4 HBA |
4256 | * @phba: Pointer to HBA context object. | |
4257 | * | |
4258 | * This function resets a SLI4 HBA. This function disables PCI layer parity | |
4259 | * checking during resets the device. The caller is not required to hold | |
4260 | * any locks. | |
4261 | * | |
4262 | * This function returns 0 always. | |
4263 | **/ | |
4264 | int | |
4265 | lpfc_sli4_brdreset(struct lpfc_hba *phba) | |
4266 | { | |
4267 | struct lpfc_sli *psli = &phba->sli; | |
4268 | uint16_t cfg_value; | |
0293635e | 4269 | int rc = 0; |
da0436e9 JS |
4270 | |
4271 | /* Reset HBA */ | |
4272 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
0293635e JS |
4273 | "0295 Reset HBA Data: x%x x%x x%x\n", |
4274 | phba->pport->port_state, psli->sli_flag, | |
4275 | phba->hba_flag); | |
da0436e9 JS |
4276 | |
4277 | /* perform board reset */ | |
4278 | phba->fc_eventTag = 0; | |
4d9ab994 | 4279 | phba->link_events = 0; |
da0436e9 JS |
4280 | phba->pport->fc_myDID = 0; |
4281 | phba->pport->fc_prevDID = 0; | |
4282 | ||
da0436e9 JS |
4283 | spin_lock_irq(&phba->hbalock); |
4284 | psli->sli_flag &= ~(LPFC_PROCESS_LA); | |
4285 | phba->fcf.fcf_flag = 0; | |
da0436e9 JS |
4286 | spin_unlock_irq(&phba->hbalock); |
4287 | ||
0293635e JS |
4288 | /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */ |
4289 | if (phba->hba_flag & HBA_FW_DUMP_OP) { | |
4290 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
4291 | return rc; | |
4292 | } | |
4293 | ||
da0436e9 JS |
4294 | /* Now physically reset the device */ |
4295 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4296 | "0389 Performing PCI function reset!\n"); | |
be858b65 JS |
4297 | |
4298 | /* Turn off parity checking and serr during the physical reset */ | |
4299 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
4300 | pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value & | |
4301 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4302 | ||
88318816 | 4303 | /* Perform FCoE PCI function reset before freeing queue memory */ |
27b01b82 | 4304 | rc = lpfc_pci_function_reset(phba); |
88318816 | 4305 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 4306 | |
be858b65 JS |
4307 | /* Restore PCI cmd register */ |
4308 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
4309 | ||
27b01b82 | 4310 | return rc; |
da0436e9 JS |
4311 | } |
4312 | ||
4313 | /** | |
4314 | * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba | |
e59058c4 JS |
4315 | * @phba: Pointer to HBA context object. |
4316 | * | |
4317 | * This function is called in the SLI initialization code path to | |
4318 | * restart the HBA. The caller is not required to hold any lock. | |
4319 | * This function writes MBX_RESTART mailbox command to the SLIM and | |
4320 | * resets the HBA. At the end of the function, it calls lpfc_hba_down_post | |
4321 | * function to free any pending commands. The function enables | |
4322 | * POST only during the first initialization. The function returns zero. | |
4323 | * The function does not guarantee completion of MBX_RESTART mailbox | |
4324 | * command before the return of this function. | |
4325 | **/ | |
da0436e9 JS |
4326 | static int |
4327 | lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) | |
41415862 JW |
4328 | { |
4329 | MAILBOX_t *mb; | |
4330 | struct lpfc_sli *psli; | |
41415862 JW |
4331 | volatile uint32_t word0; |
4332 | void __iomem *to_slim; | |
0d878419 | 4333 | uint32_t hba_aer_enabled; |
41415862 | 4334 | |
2e0fef85 | 4335 | spin_lock_irq(&phba->hbalock); |
41415862 | 4336 | |
0d878419 JS |
4337 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4338 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4339 | ||
41415862 JW |
4340 | psli = &phba->sli; |
4341 | ||
4342 | /* Restart HBA */ | |
4343 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4344 | "0337 Restart HBA Data: x%x x%x\n", |
4492b739 JS |
4345 | (phba->pport) ? phba->pport->port_state : 0, |
4346 | psli->sli_flag); | |
41415862 JW |
4347 | |
4348 | word0 = 0; | |
4349 | mb = (MAILBOX_t *) &word0; | |
4350 | mb->mbxCommand = MBX_RESTART; | |
4351 | mb->mbxHc = 1; | |
4352 | ||
9290831f JS |
4353 | lpfc_reset_barrier(phba); |
4354 | ||
41415862 JW |
4355 | to_slim = phba->MBslimaddr; |
4356 | writel(*(uint32_t *) mb, to_slim); | |
4357 | readl(to_slim); /* flush */ | |
4358 | ||
4359 | /* Only skip post after fc_ffinit is completed */ | |
4492b739 | 4360 | if (phba->pport && phba->pport->port_state) |
41415862 | 4361 | word0 = 1; /* This is really setting up word1 */ |
eaf15d5b | 4362 | else |
41415862 | 4363 | word0 = 0; /* This is really setting up word1 */ |
65a29c16 | 4364 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
4365 | writel(*(uint32_t *) mb, to_slim); |
4366 | readl(to_slim); /* flush */ | |
dea3101e | 4367 | |
41415862 | 4368 | lpfc_sli_brdreset(phba); |
4492b739 JS |
4369 | if (phba->pport) |
4370 | phba->pport->stopped = 0; | |
2e0fef85 | 4371 | phba->link_state = LPFC_INIT_START; |
da0436e9 | 4372 | phba->hba_flag = 0; |
2e0fef85 | 4373 | spin_unlock_irq(&phba->hbalock); |
41415862 | 4374 | |
64ba8818 JS |
4375 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
4376 | psli->stats_start = get_seconds(); | |
4377 | ||
eaf15d5b JS |
4378 | /* Give the INITFF and Post time to settle. */ |
4379 | mdelay(100); | |
41415862 | 4380 | |
0d878419 JS |
4381 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4382 | if (hba_aer_enabled) | |
4383 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4384 | ||
41415862 | 4385 | lpfc_hba_down_post(phba); |
dea3101e JB |
4386 | |
4387 | return 0; | |
4388 | } | |
4389 | ||
da0436e9 JS |
4390 | /** |
4391 | * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba | |
4392 | * @phba: Pointer to HBA context object. | |
4393 | * | |
4394 | * This function is called in the SLI initialization code path to restart | |
4395 | * a SLI4 HBA. The caller is not required to hold any lock. | |
4396 | * At the end of the function, it calls lpfc_hba_down_post function to | |
4397 | * free any pending commands. | |
4398 | **/ | |
4399 | static int | |
4400 | lpfc_sli_brdrestart_s4(struct lpfc_hba *phba) | |
4401 | { | |
4402 | struct lpfc_sli *psli = &phba->sli; | |
75baf696 | 4403 | uint32_t hba_aer_enabled; |
27b01b82 | 4404 | int rc; |
da0436e9 JS |
4405 | |
4406 | /* Restart HBA */ | |
4407 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4408 | "0296 Restart HBA Data: x%x x%x\n", | |
4409 | phba->pport->port_state, psli->sli_flag); | |
4410 | ||
75baf696 JS |
4411 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4412 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4413 | ||
27b01b82 | 4414 | rc = lpfc_sli4_brdreset(phba); |
da0436e9 JS |
4415 | |
4416 | spin_lock_irq(&phba->hbalock); | |
4417 | phba->pport->stopped = 0; | |
4418 | phba->link_state = LPFC_INIT_START; | |
4419 | phba->hba_flag = 0; | |
4420 | spin_unlock_irq(&phba->hbalock); | |
4421 | ||
4422 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); | |
4423 | psli->stats_start = get_seconds(); | |
4424 | ||
75baf696 JS |
4425 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4426 | if (hba_aer_enabled) | |
4427 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4428 | ||
da0436e9 JS |
4429 | lpfc_hba_down_post(phba); |
4430 | ||
27b01b82 | 4431 | return rc; |
da0436e9 JS |
4432 | } |
4433 | ||
4434 | /** | |
4435 | * lpfc_sli_brdrestart - Wrapper func for restarting hba | |
4436 | * @phba: Pointer to HBA context object. | |
4437 | * | |
4438 | * This routine wraps the actual SLI3 or SLI4 hba restart routine from the | |
4439 | * API jump table function pointer from the lpfc_hba struct. | |
4440 | **/ | |
4441 | int | |
4442 | lpfc_sli_brdrestart(struct lpfc_hba *phba) | |
4443 | { | |
4444 | return phba->lpfc_sli_brdrestart(phba); | |
4445 | } | |
4446 | ||
e59058c4 | 4447 | /** |
3621a710 | 4448 | * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart |
e59058c4 JS |
4449 | * @phba: Pointer to HBA context object. |
4450 | * | |
4451 | * This function is called after a HBA restart to wait for successful | |
4452 | * restart of the HBA. Successful restart of the HBA is indicated by | |
4453 | * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15 | |
4454 | * iteration, the function will restart the HBA again. The function returns | |
4455 | * zero if HBA successfully restarted else returns negative error code. | |
4456 | **/ | |
4492b739 | 4457 | int |
dea3101e JB |
4458 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
4459 | { | |
4460 | uint32_t status, i = 0; | |
4461 | ||
4462 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4463 | if (lpfc_readl(phba->HSregaddr, &status)) |
4464 | return -EIO; | |
dea3101e JB |
4465 | |
4466 | /* Check status register to see what current state is */ | |
4467 | i = 0; | |
4468 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
4469 | ||
dcf2a4e0 JS |
4470 | /* Check every 10ms for 10 retries, then every 100ms for 90 |
4471 | * retries, then every 1 sec for 50 retires for a total of | |
4472 | * ~60 seconds before reset the board again and check every | |
4473 | * 1 sec for 50 retries. The up to 60 seconds before the | |
4474 | * board ready is required by the Falcon FIPS zeroization | |
4475 | * complete, and any reset the board in between shall cause | |
4476 | * restart of zeroization, further delay the board ready. | |
dea3101e | 4477 | */ |
dcf2a4e0 | 4478 | if (i++ >= 200) { |
dea3101e JB |
4479 | /* Adapter failed to init, timeout, status reg |
4480 | <status> */ | |
ed957684 | 4481 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4482 | "0436 Adapter failed to init, " |
09372820 JS |
4483 | "timeout, status reg x%x, " |
4484 | "FW Data: A8 x%x AC x%x\n", status, | |
4485 | readl(phba->MBslimaddr + 0xa8), | |
4486 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4487 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4488 | return -ETIMEDOUT; |
4489 | } | |
4490 | ||
4491 | /* Check to see if any errors occurred during init */ | |
4492 | if (status & HS_FFERM) { | |
4493 | /* ERROR: During chipset initialization */ | |
4494 | /* Adapter failed to init, chipset, status reg | |
4495 | <status> */ | |
ed957684 | 4496 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4497 | "0437 Adapter failed to init, " |
09372820 JS |
4498 | "chipset, status reg x%x, " |
4499 | "FW Data: A8 x%x AC x%x\n", status, | |
4500 | readl(phba->MBslimaddr + 0xa8), | |
4501 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4502 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4503 | return -EIO; |
4504 | } | |
4505 | ||
dcf2a4e0 | 4506 | if (i <= 10) |
dea3101e | 4507 | msleep(10); |
dcf2a4e0 JS |
4508 | else if (i <= 100) |
4509 | msleep(100); | |
4510 | else | |
4511 | msleep(1000); | |
dea3101e | 4512 | |
dcf2a4e0 JS |
4513 | if (i == 150) { |
4514 | /* Do post */ | |
92d7f7b0 | 4515 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4516 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4517 | } |
4518 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4519 | if (lpfc_readl(phba->HSregaddr, &status)) |
4520 | return -EIO; | |
dea3101e JB |
4521 | } |
4522 | ||
4523 | /* Check to see if any errors occurred during init */ | |
4524 | if (status & HS_FFERM) { | |
4525 | /* ERROR: During chipset initialization */ | |
4526 | /* Adapter failed to init, chipset, status reg <status> */ | |
ed957684 | 4527 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4528 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
4529 | "status reg x%x, " |
4530 | "FW Data: A8 x%x AC x%x\n", status, | |
4531 | readl(phba->MBslimaddr + 0xa8), | |
4532 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4533 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4534 | return -EIO; |
4535 | } | |
4536 | ||
4537 | /* Clear all interrupt enable conditions */ | |
4538 | writel(0, phba->HCregaddr); | |
4539 | readl(phba->HCregaddr); /* flush */ | |
4540 | ||
4541 | /* setup host attn register */ | |
4542 | writel(0xffffffff, phba->HAregaddr); | |
4543 | readl(phba->HAregaddr); /* flush */ | |
4544 | return 0; | |
4545 | } | |
4546 | ||
e59058c4 | 4547 | /** |
3621a710 | 4548 | * lpfc_sli_hbq_count - Get the number of HBQs to be configured |
e59058c4 JS |
4549 | * |
4550 | * This function calculates and returns the number of HBQs required to be | |
4551 | * configured. | |
4552 | **/ | |
78b2d852 | 4553 | int |
ed957684 JS |
4554 | lpfc_sli_hbq_count(void) |
4555 | { | |
92d7f7b0 | 4556 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
4557 | } |
4558 | ||
e59058c4 | 4559 | /** |
3621a710 | 4560 | * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries |
e59058c4 JS |
4561 | * |
4562 | * This function adds the number of hbq entries in every HBQ to get | |
4563 | * the total number of hbq entries required for the HBA and returns | |
4564 | * the total count. | |
4565 | **/ | |
ed957684 JS |
4566 | static int |
4567 | lpfc_sli_hbq_entry_count(void) | |
4568 | { | |
4569 | int hbq_count = lpfc_sli_hbq_count(); | |
4570 | int count = 0; | |
4571 | int i; | |
4572 | ||
4573 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 4574 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
4575 | return count; |
4576 | } | |
4577 | ||
e59058c4 | 4578 | /** |
3621a710 | 4579 | * lpfc_sli_hbq_size - Calculate memory required for all hbq entries |
e59058c4 JS |
4580 | * |
4581 | * This function calculates amount of memory required for all hbq entries | |
4582 | * to be configured and returns the total memory required. | |
4583 | **/ | |
dea3101e | 4584 | int |
ed957684 JS |
4585 | lpfc_sli_hbq_size(void) |
4586 | { | |
4587 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
4588 | } | |
4589 | ||
e59058c4 | 4590 | /** |
3621a710 | 4591 | * lpfc_sli_hbq_setup - configure and initialize HBQs |
e59058c4 JS |
4592 | * @phba: Pointer to HBA context object. |
4593 | * | |
4594 | * This function is called during the SLI initialization to configure | |
4595 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4596 | * required to hold any locks. This function will return zero if successful | |
4597 | * else it will return negative error code. | |
4598 | **/ | |
ed957684 JS |
4599 | static int |
4600 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
4601 | { | |
4602 | int hbq_count = lpfc_sli_hbq_count(); | |
4603 | LPFC_MBOXQ_t *pmb; | |
4604 | MAILBOX_t *pmbox; | |
4605 | uint32_t hbqno; | |
4606 | uint32_t hbq_entry_index; | |
ed957684 | 4607 | |
92d7f7b0 JS |
4608 | /* Get a Mailbox buffer to setup mailbox |
4609 | * commands for HBA initialization | |
4610 | */ | |
ed957684 JS |
4611 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4612 | ||
4613 | if (!pmb) | |
4614 | return -ENOMEM; | |
4615 | ||
04c68496 | 4616 | pmbox = &pmb->u.mb; |
ed957684 JS |
4617 | |
4618 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
4619 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
3163f725 | 4620 | phba->hbq_in_use = 1; |
ed957684 JS |
4621 | |
4622 | hbq_entry_index = 0; | |
4623 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
4624 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
4625 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
4626 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
4627 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 4628 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
4629 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
4630 | hbq_entry_index, pmb); | |
ed957684 JS |
4631 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
4632 | ||
4633 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
4634 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
4635 | mbxStatus <status>, ring <num> */ | |
4636 | ||
4637 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 4638 | LOG_SLI | LOG_VPORT, |
e8b62011 | 4639 | "1805 Adapter failed to init. " |
ed957684 | 4640 | "Data: x%x x%x x%x\n", |
e8b62011 | 4641 | pmbox->mbxCommand, |
ed957684 JS |
4642 | pmbox->mbxStatus, hbqno); |
4643 | ||
4644 | phba->link_state = LPFC_HBA_ERROR; | |
4645 | mempool_free(pmb, phba->mbox_mem_pool); | |
6e7288d9 | 4646 | return -ENXIO; |
ed957684 JS |
4647 | } |
4648 | } | |
4649 | phba->hbq_count = hbq_count; | |
4650 | ||
ed957684 JS |
4651 | mempool_free(pmb, phba->mbox_mem_pool); |
4652 | ||
92d7f7b0 | 4653 | /* Initially populate or replenish the HBQs */ |
d7c255b2 JS |
4654 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) |
4655 | lpfc_sli_hbqbuf_init_hbqs(phba, hbqno); | |
ed957684 JS |
4656 | return 0; |
4657 | } | |
4658 | ||
4f774513 JS |
4659 | /** |
4660 | * lpfc_sli4_rb_setup - Initialize and post RBs to HBA | |
4661 | * @phba: Pointer to HBA context object. | |
4662 | * | |
4663 | * This function is called during the SLI initialization to configure | |
4664 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4665 | * required to hold any locks. This function will return zero if successful | |
4666 | * else it will return negative error code. | |
4667 | **/ | |
4668 | static int | |
4669 | lpfc_sli4_rb_setup(struct lpfc_hba *phba) | |
4670 | { | |
4671 | phba->hbq_in_use = 1; | |
895427bd JS |
4672 | phba->hbqs[LPFC_ELS_HBQ].entry_count = |
4673 | lpfc_hbq_defs[LPFC_ELS_HBQ]->entry_count; | |
4f774513 | 4674 | phba->hbq_count = 1; |
895427bd | 4675 | lpfc_sli_hbqbuf_init_hbqs(phba, LPFC_ELS_HBQ); |
4f774513 | 4676 | /* Initially populate or replenish the HBQs */ |
4f774513 JS |
4677 | return 0; |
4678 | } | |
4679 | ||
e59058c4 | 4680 | /** |
3621a710 | 4681 | * lpfc_sli_config_port - Issue config port mailbox command |
e59058c4 JS |
4682 | * @phba: Pointer to HBA context object. |
4683 | * @sli_mode: sli mode - 2/3 | |
4684 | * | |
183b8021 | 4685 | * This function is called by the sli initialization code path |
e59058c4 JS |
4686 | * to issue config_port mailbox command. This function restarts the |
4687 | * HBA firmware and issues a config_port mailbox command to configure | |
4688 | * the SLI interface in the sli mode specified by sli_mode | |
4689 | * variable. The caller is not required to hold any locks. | |
4690 | * The function returns 0 if successful, else returns negative error | |
4691 | * code. | |
4692 | **/ | |
9399627f JS |
4693 | int |
4694 | lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e JB |
4695 | { |
4696 | LPFC_MBOXQ_t *pmb; | |
4697 | uint32_t resetcount = 0, rc = 0, done = 0; | |
4698 | ||
4699 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4700 | if (!pmb) { | |
2e0fef85 | 4701 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4702 | return -ENOMEM; |
4703 | } | |
4704 | ||
ed957684 | 4705 | phba->sli_rev = sli_mode; |
dea3101e | 4706 | while (resetcount < 2 && !done) { |
2e0fef85 | 4707 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4708 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4709 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 4710 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4711 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4712 | rc = lpfc_sli_chipset_init(phba); |
4713 | if (rc) | |
4714 | break; | |
4715 | ||
2e0fef85 | 4716 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4717 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4718 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4719 | resetcount++; |
4720 | ||
ed957684 JS |
4721 | /* Call pre CONFIG_PORT mailbox command initialization. A |
4722 | * value of 0 means the call was successful. Any other | |
4723 | * nonzero value is a failure, but if ERESTART is returned, | |
4724 | * the driver may reset the HBA and try again. | |
4725 | */ | |
dea3101e JB |
4726 | rc = lpfc_config_port_prep(phba); |
4727 | if (rc == -ERESTART) { | |
ed957684 | 4728 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e | 4729 | continue; |
34b02dcd | 4730 | } else if (rc) |
dea3101e | 4731 | break; |
6d368e53 | 4732 | |
2e0fef85 | 4733 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
4734 | lpfc_config_port(phba, pmb); |
4735 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
34b02dcd JS |
4736 | phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED | |
4737 | LPFC_SLI3_HBQ_ENABLED | | |
4738 | LPFC_SLI3_CRP_ENABLED | | |
bc73905a JS |
4739 | LPFC_SLI3_BG_ENABLED | |
4740 | LPFC_SLI3_DSS_ENABLED); | |
ed957684 | 4741 | if (rc != MBX_SUCCESS) { |
dea3101e | 4742 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4743 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 4744 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
04c68496 | 4745 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus, 0); |
2e0fef85 | 4746 | spin_lock_irq(&phba->hbalock); |
04c68496 | 4747 | phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; |
2e0fef85 JS |
4748 | spin_unlock_irq(&phba->hbalock); |
4749 | rc = -ENXIO; | |
04c68496 JS |
4750 | } else { |
4751 | /* Allow asynchronous mailbox command to go through */ | |
4752 | spin_lock_irq(&phba->hbalock); | |
4753 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
4754 | spin_unlock_irq(&phba->hbalock); | |
ed957684 | 4755 | done = 1; |
cb69f7de JS |
4756 | |
4757 | if ((pmb->u.mb.un.varCfgPort.casabt == 1) && | |
4758 | (pmb->u.mb.un.varCfgPort.gasabt == 0)) | |
4759 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4760 | "3110 Port did not grant ASABT\n"); | |
04c68496 | 4761 | } |
dea3101e | 4762 | } |
ed957684 JS |
4763 | if (!done) { |
4764 | rc = -EINVAL; | |
4765 | goto do_prep_failed; | |
4766 | } | |
04c68496 JS |
4767 | if (pmb->u.mb.un.varCfgPort.sli_mode == 3) { |
4768 | if (!pmb->u.mb.un.varCfgPort.cMA) { | |
34b02dcd JS |
4769 | rc = -ENXIO; |
4770 | goto do_prep_failed; | |
4771 | } | |
04c68496 | 4772 | if (phba->max_vpi && pmb->u.mb.un.varCfgPort.gmv) { |
34b02dcd | 4773 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
04c68496 JS |
4774 | phba->max_vpi = pmb->u.mb.un.varCfgPort.max_vpi; |
4775 | phba->max_vports = (phba->max_vpi > phba->max_vports) ? | |
4776 | phba->max_vpi : phba->max_vports; | |
4777 | ||
34b02dcd JS |
4778 | } else |
4779 | phba->max_vpi = 0; | |
bc73905a JS |
4780 | phba->fips_level = 0; |
4781 | phba->fips_spec_rev = 0; | |
4782 | if (pmb->u.mb.un.varCfgPort.gdss) { | |
04c68496 | 4783 | phba->sli3_options |= LPFC_SLI3_DSS_ENABLED; |
bc73905a JS |
4784 | phba->fips_level = pmb->u.mb.un.varCfgPort.fips_level; |
4785 | phba->fips_spec_rev = pmb->u.mb.un.varCfgPort.fips_rev; | |
4786 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4787 | "2850 Security Crypto Active. FIPS x%d " | |
4788 | "(Spec Rev: x%d)", | |
4789 | phba->fips_level, phba->fips_spec_rev); | |
4790 | } | |
4791 | if (pmb->u.mb.un.varCfgPort.sec_err) { | |
4792 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4793 | "2856 Config Port Security Crypto " | |
4794 | "Error: x%x ", | |
4795 | pmb->u.mb.un.varCfgPort.sec_err); | |
4796 | } | |
04c68496 | 4797 | if (pmb->u.mb.un.varCfgPort.gerbm) |
34b02dcd | 4798 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; |
04c68496 | 4799 | if (pmb->u.mb.un.varCfgPort.gcrp) |
34b02dcd | 4800 | phba->sli3_options |= LPFC_SLI3_CRP_ENABLED; |
6e7288d9 JS |
4801 | |
4802 | phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get; | |
4803 | phba->port_gp = phba->mbox->us.s3_pgp.port; | |
e2a0a9d6 JS |
4804 | |
4805 | if (phba->cfg_enable_bg) { | |
04c68496 | 4806 | if (pmb->u.mb.un.varCfgPort.gbg) |
e2a0a9d6 JS |
4807 | phba->sli3_options |= LPFC_SLI3_BG_ENABLED; |
4808 | else | |
4809 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4810 | "0443 Adapter did not grant " | |
4811 | "BlockGuard\n"); | |
4812 | } | |
34b02dcd | 4813 | } else { |
8f34f4ce | 4814 | phba->hbq_get = NULL; |
34b02dcd | 4815 | phba->port_gp = phba->mbox->us.s2.port; |
d7c255b2 | 4816 | phba->max_vpi = 0; |
ed957684 | 4817 | } |
92d7f7b0 | 4818 | do_prep_failed: |
ed957684 JS |
4819 | mempool_free(pmb, phba->mbox_mem_pool); |
4820 | return rc; | |
4821 | } | |
4822 | ||
e59058c4 JS |
4823 | |
4824 | /** | |
183b8021 | 4825 | * lpfc_sli_hba_setup - SLI initialization function |
e59058c4 JS |
4826 | * @phba: Pointer to HBA context object. |
4827 | * | |
183b8021 MY |
4828 | * This function is the main SLI initialization function. This function |
4829 | * is called by the HBA initialization code, HBA reset code and HBA | |
e59058c4 JS |
4830 | * error attention handler code. Caller is not required to hold any |
4831 | * locks. This function issues config_port mailbox command to configure | |
4832 | * the SLI, setup iocb rings and HBQ rings. In the end the function | |
4833 | * calls the config_port_post function to issue init_link mailbox | |
4834 | * command and to start the discovery. The function will return zero | |
4835 | * if successful, else it will return negative error code. | |
4836 | **/ | |
ed957684 JS |
4837 | int |
4838 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
4839 | { | |
4840 | uint32_t rc; | |
6d368e53 JS |
4841 | int mode = 3, i; |
4842 | int longs; | |
ed957684 | 4843 | |
12247e81 | 4844 | switch (phba->cfg_sli_mode) { |
ed957684 | 4845 | case 2: |
78b2d852 | 4846 | if (phba->cfg_enable_npiv) { |
92d7f7b0 | 4847 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 | 4848 | "1824 NPIV enabled: Override sli_mode " |
92d7f7b0 | 4849 | "parameter (%d) to auto (0).\n", |
12247e81 | 4850 | phba->cfg_sli_mode); |
92d7f7b0 JS |
4851 | break; |
4852 | } | |
ed957684 JS |
4853 | mode = 2; |
4854 | break; | |
4855 | case 0: | |
4856 | case 3: | |
4857 | break; | |
4858 | default: | |
92d7f7b0 | 4859 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 JS |
4860 | "1819 Unrecognized sli_mode parameter: %d.\n", |
4861 | phba->cfg_sli_mode); | |
ed957684 JS |
4862 | |
4863 | break; | |
4864 | } | |
b5c53958 | 4865 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
ed957684 | 4866 | |
9399627f JS |
4867 | rc = lpfc_sli_config_port(phba, mode); |
4868 | ||
12247e81 | 4869 | if (rc && phba->cfg_sli_mode == 3) |
92d7f7b0 | 4870 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
4871 | "1820 Unable to select SLI-3. " |
4872 | "Not supported by adapter.\n"); | |
ed957684 | 4873 | if (rc && mode != 2) |
9399627f | 4874 | rc = lpfc_sli_config_port(phba, 2); |
4597663f JS |
4875 | else if (rc && mode == 2) |
4876 | rc = lpfc_sli_config_port(phba, 3); | |
ed957684 | 4877 | if (rc) |
dea3101e JB |
4878 | goto lpfc_sli_hba_setup_error; |
4879 | ||
0d878419 JS |
4880 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
4881 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
4882 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
4883 | if (!rc) { | |
4884 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4885 | "2709 This device supports " | |
4886 | "Advanced Error Reporting (AER)\n"); | |
4887 | spin_lock_irq(&phba->hbalock); | |
4888 | phba->hba_flag |= HBA_AER_ENABLED; | |
4889 | spin_unlock_irq(&phba->hbalock); | |
4890 | } else { | |
4891 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4892 | "2708 This device does not support " | |
b069d7eb JS |
4893 | "Advanced Error Reporting (AER): %d\n", |
4894 | rc); | |
0d878419 JS |
4895 | phba->cfg_aer_support = 0; |
4896 | } | |
4897 | } | |
4898 | ||
ed957684 JS |
4899 | if (phba->sli_rev == 3) { |
4900 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
4901 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
ed957684 JS |
4902 | } else { |
4903 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
4904 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 4905 | phba->sli3_options = 0; |
ed957684 JS |
4906 | } |
4907 | ||
4908 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
4909 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
4910 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 4911 | rc = lpfc_sli_ring_map(phba); |
dea3101e JB |
4912 | |
4913 | if (rc) | |
4914 | goto lpfc_sli_hba_setup_error; | |
4915 | ||
6d368e53 JS |
4916 | /* Initialize VPIs. */ |
4917 | if (phba->sli_rev == LPFC_SLI_REV3) { | |
4918 | /* | |
4919 | * The VPI bitmask and physical ID array are allocated | |
4920 | * and initialized once only - at driver load. A port | |
4921 | * reset doesn't need to reinitialize this memory. | |
4922 | */ | |
4923 | if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) { | |
4924 | longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG; | |
4925 | phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long), | |
4926 | GFP_KERNEL); | |
4927 | if (!phba->vpi_bmask) { | |
4928 | rc = -ENOMEM; | |
4929 | goto lpfc_sli_hba_setup_error; | |
4930 | } | |
4931 | ||
4932 | phba->vpi_ids = kzalloc( | |
4933 | (phba->max_vpi+1) * sizeof(uint16_t), | |
4934 | GFP_KERNEL); | |
4935 | if (!phba->vpi_ids) { | |
4936 | kfree(phba->vpi_bmask); | |
4937 | rc = -ENOMEM; | |
4938 | goto lpfc_sli_hba_setup_error; | |
4939 | } | |
4940 | for (i = 0; i < phba->max_vpi; i++) | |
4941 | phba->vpi_ids[i] = i; | |
4942 | } | |
4943 | } | |
4944 | ||
9399627f | 4945 | /* Init HBQs */ |
ed957684 JS |
4946 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
4947 | rc = lpfc_sli_hbq_setup(phba); | |
4948 | if (rc) | |
4949 | goto lpfc_sli_hba_setup_error; | |
4950 | } | |
04c68496 | 4951 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4952 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
04c68496 | 4953 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4954 | |
4955 | rc = lpfc_config_port_post(phba); | |
4956 | if (rc) | |
4957 | goto lpfc_sli_hba_setup_error; | |
4958 | ||
ed957684 JS |
4959 | return rc; |
4960 | ||
92d7f7b0 | 4961 | lpfc_sli_hba_setup_error: |
2e0fef85 | 4962 | phba->link_state = LPFC_HBA_ERROR; |
e40a02c1 | 4963 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4964 | "0445 Firmware initialization failed\n"); |
dea3101e JB |
4965 | return rc; |
4966 | } | |
4967 | ||
e59058c4 | 4968 | /** |
da0436e9 JS |
4969 | * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region |
4970 | * @phba: Pointer to HBA context object. | |
4971 | * @mboxq: mailbox pointer. | |
4972 | * This function issue a dump mailbox command to read config region | |
4973 | * 23 and parse the records in the region and populate driver | |
4974 | * data structure. | |
e59058c4 | 4975 | **/ |
da0436e9 | 4976 | static int |
ff78d8f9 | 4977 | lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba) |
dea3101e | 4978 | { |
ff78d8f9 | 4979 | LPFC_MBOXQ_t *mboxq; |
da0436e9 JS |
4980 | struct lpfc_dmabuf *mp; |
4981 | struct lpfc_mqe *mqe; | |
4982 | uint32_t data_length; | |
4983 | int rc; | |
dea3101e | 4984 | |
da0436e9 JS |
4985 | /* Program the default value of vlan_id and fc_map */ |
4986 | phba->valid_vlan = 0; | |
4987 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
4988 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
4989 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
2e0fef85 | 4990 | |
ff78d8f9 JS |
4991 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4992 | if (!mboxq) | |
da0436e9 JS |
4993 | return -ENOMEM; |
4994 | ||
ff78d8f9 JS |
4995 | mqe = &mboxq->u.mqe; |
4996 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) { | |
4997 | rc = -ENOMEM; | |
4998 | goto out_free_mboxq; | |
4999 | } | |
5000 | ||
da0436e9 JS |
5001 | mp = (struct lpfc_dmabuf *) mboxq->context1; |
5002 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5003 | ||
5004 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
5005 | "(%d):2571 Mailbox cmd x%x Status x%x " | |
5006 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5007 | "x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5008 | "CQ: x%x x%x x%x x%x\n", | |
5009 | mboxq->vport ? mboxq->vport->vpi : 0, | |
5010 | bf_get(lpfc_mqe_command, mqe), | |
5011 | bf_get(lpfc_mqe_status, mqe), | |
5012 | mqe->un.mb_words[0], mqe->un.mb_words[1], | |
5013 | mqe->un.mb_words[2], mqe->un.mb_words[3], | |
5014 | mqe->un.mb_words[4], mqe->un.mb_words[5], | |
5015 | mqe->un.mb_words[6], mqe->un.mb_words[7], | |
5016 | mqe->un.mb_words[8], mqe->un.mb_words[9], | |
5017 | mqe->un.mb_words[10], mqe->un.mb_words[11], | |
5018 | mqe->un.mb_words[12], mqe->un.mb_words[13], | |
5019 | mqe->un.mb_words[14], mqe->un.mb_words[15], | |
5020 | mqe->un.mb_words[16], mqe->un.mb_words[50], | |
5021 | mboxq->mcqe.word0, | |
5022 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
5023 | mboxq->mcqe.trailer); | |
5024 | ||
5025 | if (rc) { | |
5026 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5027 | kfree(mp); | |
ff78d8f9 JS |
5028 | rc = -EIO; |
5029 | goto out_free_mboxq; | |
da0436e9 JS |
5030 | } |
5031 | data_length = mqe->un.mb_words[5]; | |
a0c87cbd | 5032 | if (data_length > DMP_RGN23_SIZE) { |
d11e31dd JS |
5033 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5034 | kfree(mp); | |
ff78d8f9 JS |
5035 | rc = -EIO; |
5036 | goto out_free_mboxq; | |
d11e31dd | 5037 | } |
dea3101e | 5038 | |
da0436e9 JS |
5039 | lpfc_parse_fcoe_conf(phba, mp->virt, data_length); |
5040 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5041 | kfree(mp); | |
ff78d8f9 JS |
5042 | rc = 0; |
5043 | ||
5044 | out_free_mboxq: | |
5045 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5046 | return rc; | |
da0436e9 | 5047 | } |
e59058c4 JS |
5048 | |
5049 | /** | |
da0436e9 JS |
5050 | * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data |
5051 | * @phba: pointer to lpfc hba data structure. | |
5052 | * @mboxq: pointer to the LPFC_MBOXQ_t structure. | |
5053 | * @vpd: pointer to the memory to hold resulting port vpd data. | |
5054 | * @vpd_size: On input, the number of bytes allocated to @vpd. | |
5055 | * On output, the number of data bytes in @vpd. | |
e59058c4 | 5056 | * |
da0436e9 JS |
5057 | * This routine executes a READ_REV SLI4 mailbox command. In |
5058 | * addition, this routine gets the port vpd data. | |
5059 | * | |
5060 | * Return codes | |
af901ca1 | 5061 | * 0 - successful |
d439d286 | 5062 | * -ENOMEM - could not allocated memory. |
e59058c4 | 5063 | **/ |
da0436e9 JS |
5064 | static int |
5065 | lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
5066 | uint8_t *vpd, uint32_t *vpd_size) | |
dea3101e | 5067 | { |
da0436e9 JS |
5068 | int rc = 0; |
5069 | uint32_t dma_size; | |
5070 | struct lpfc_dmabuf *dmabuf; | |
5071 | struct lpfc_mqe *mqe; | |
dea3101e | 5072 | |
da0436e9 JS |
5073 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
5074 | if (!dmabuf) | |
5075 | return -ENOMEM; | |
5076 | ||
5077 | /* | |
5078 | * Get a DMA buffer for the vpd data resulting from the READ_REV | |
5079 | * mailbox command. | |
a257bf90 | 5080 | */ |
da0436e9 | 5081 | dma_size = *vpd_size; |
1aee383d JP |
5082 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, dma_size, |
5083 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
5084 | if (!dmabuf->virt) { |
5085 | kfree(dmabuf); | |
5086 | return -ENOMEM; | |
a257bf90 JS |
5087 | } |
5088 | ||
da0436e9 JS |
5089 | /* |
5090 | * The SLI4 implementation of READ_REV conflicts at word1, | |
5091 | * bits 31:16 and SLI4 adds vpd functionality not present | |
5092 | * in SLI3. This code corrects the conflicts. | |
1dcb58e5 | 5093 | */ |
da0436e9 JS |
5094 | lpfc_read_rev(phba, mboxq); |
5095 | mqe = &mboxq->u.mqe; | |
5096 | mqe->un.read_rev.vpd_paddr_high = putPaddrHigh(dmabuf->phys); | |
5097 | mqe->un.read_rev.vpd_paddr_low = putPaddrLow(dmabuf->phys); | |
5098 | mqe->un.read_rev.word1 &= 0x0000FFFF; | |
5099 | bf_set(lpfc_mbx_rd_rev_vpd, &mqe->un.read_rev, 1); | |
5100 | bf_set(lpfc_mbx_rd_rev_avail_len, &mqe->un.read_rev, dma_size); | |
5101 | ||
5102 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5103 | if (rc) { | |
5104 | dma_free_coherent(&phba->pcidev->dev, dma_size, | |
5105 | dmabuf->virt, dmabuf->phys); | |
def9c7a9 | 5106 | kfree(dmabuf); |
da0436e9 JS |
5107 | return -EIO; |
5108 | } | |
1dcb58e5 | 5109 | |
da0436e9 JS |
5110 | /* |
5111 | * The available vpd length cannot be bigger than the | |
5112 | * DMA buffer passed to the port. Catch the less than | |
5113 | * case and update the caller's size. | |
5114 | */ | |
5115 | if (mqe->un.read_rev.avail_vpd_len < *vpd_size) | |
5116 | *vpd_size = mqe->un.read_rev.avail_vpd_len; | |
3772a991 | 5117 | |
d7c47992 JS |
5118 | memcpy(vpd, dmabuf->virt, *vpd_size); |
5119 | ||
da0436e9 JS |
5120 | dma_free_coherent(&phba->pcidev->dev, dma_size, |
5121 | dmabuf->virt, dmabuf->phys); | |
5122 | kfree(dmabuf); | |
5123 | return 0; | |
dea3101e JB |
5124 | } |
5125 | ||
cd1c8301 JS |
5126 | /** |
5127 | * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name | |
5128 | * @phba: pointer to lpfc hba data structure. | |
5129 | * | |
5130 | * This routine retrieves SLI4 device physical port name this PCI function | |
5131 | * is attached to. | |
5132 | * | |
5133 | * Return codes | |
4907cb7b | 5134 | * 0 - successful |
cd1c8301 JS |
5135 | * otherwise - failed to retrieve physical port name |
5136 | **/ | |
5137 | static int | |
5138 | lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba) | |
5139 | { | |
5140 | LPFC_MBOXQ_t *mboxq; | |
cd1c8301 JS |
5141 | struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr; |
5142 | struct lpfc_controller_attribute *cntl_attr; | |
5143 | struct lpfc_mbx_get_port_name *get_port_name; | |
5144 | void *virtaddr = NULL; | |
5145 | uint32_t alloclen, reqlen; | |
5146 | uint32_t shdr_status, shdr_add_status; | |
5147 | union lpfc_sli4_cfg_shdr *shdr; | |
5148 | char cport_name = 0; | |
5149 | int rc; | |
5150 | ||
5151 | /* We assume nothing at this point */ | |
5152 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
5153 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON; | |
5154 | ||
5155 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5156 | if (!mboxq) | |
5157 | return -ENOMEM; | |
cd1c8301 | 5158 | /* obtain link type and link number via READ_CONFIG */ |
ff78d8f9 JS |
5159 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; |
5160 | lpfc_sli4_read_config(phba); | |
5161 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) | |
5162 | goto retrieve_ppname; | |
cd1c8301 JS |
5163 | |
5164 | /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */ | |
5165 | reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes); | |
5166 | alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5167 | LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen, | |
5168 | LPFC_SLI4_MBX_NEMBED); | |
5169 | if (alloclen < reqlen) { | |
5170 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5171 | "3084 Allocated DMA memory size (%d) is " | |
5172 | "less than the requested DMA memory size " | |
5173 | "(%d)\n", alloclen, reqlen); | |
5174 | rc = -ENOMEM; | |
5175 | goto out_free_mboxq; | |
5176 | } | |
5177 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5178 | virtaddr = mboxq->sge_array->addr[0]; | |
5179 | mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr; | |
5180 | shdr = &mbx_cntl_attr->cfg_shdr; | |
5181 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5182 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5183 | if (shdr_status || shdr_add_status || rc) { | |
5184 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5185 | "3085 Mailbox x%x (x%x/x%x) failed, " | |
5186 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5187 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5188 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5189 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5190 | rc, shdr_status, shdr_add_status); | |
5191 | rc = -ENXIO; | |
5192 | goto out_free_mboxq; | |
5193 | } | |
5194 | cntl_attr = &mbx_cntl_attr->cntl_attr; | |
5195 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
5196 | phba->sli4_hba.lnk_info.lnk_tp = | |
5197 | bf_get(lpfc_cntl_attr_lnk_type, cntl_attr); | |
5198 | phba->sli4_hba.lnk_info.lnk_no = | |
5199 | bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr); | |
5200 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5201 | "3086 lnk_type:%d, lnk_numb:%d\n", | |
5202 | phba->sli4_hba.lnk_info.lnk_tp, | |
5203 | phba->sli4_hba.lnk_info.lnk_no); | |
5204 | ||
5205 | retrieve_ppname: | |
5206 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5207 | LPFC_MBOX_OPCODE_GET_PORT_NAME, | |
5208 | sizeof(struct lpfc_mbx_get_port_name) - | |
5209 | sizeof(struct lpfc_sli4_cfg_mhdr), | |
5210 | LPFC_SLI4_MBX_EMBED); | |
5211 | get_port_name = &mboxq->u.mqe.un.get_port_name; | |
5212 | shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr; | |
5213 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1); | |
5214 | bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request, | |
5215 | phba->sli4_hba.lnk_info.lnk_tp); | |
5216 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5217 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5218 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5219 | if (shdr_status || shdr_add_status || rc) { | |
5220 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5221 | "3087 Mailbox x%x (x%x/x%x) failed: " | |
5222 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5223 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5224 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5225 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5226 | rc, shdr_status, shdr_add_status); | |
5227 | rc = -ENXIO; | |
5228 | goto out_free_mboxq; | |
5229 | } | |
5230 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
5231 | case LPFC_LINK_NUMBER_0: | |
5232 | cport_name = bf_get(lpfc_mbx_get_port_name_name0, | |
5233 | &get_port_name->u.response); | |
5234 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5235 | break; | |
5236 | case LPFC_LINK_NUMBER_1: | |
5237 | cport_name = bf_get(lpfc_mbx_get_port_name_name1, | |
5238 | &get_port_name->u.response); | |
5239 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5240 | break; | |
5241 | case LPFC_LINK_NUMBER_2: | |
5242 | cport_name = bf_get(lpfc_mbx_get_port_name_name2, | |
5243 | &get_port_name->u.response); | |
5244 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5245 | break; | |
5246 | case LPFC_LINK_NUMBER_3: | |
5247 | cport_name = bf_get(lpfc_mbx_get_port_name_name3, | |
5248 | &get_port_name->u.response); | |
5249 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5250 | break; | |
5251 | default: | |
5252 | break; | |
5253 | } | |
5254 | ||
5255 | if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) { | |
5256 | phba->Port[0] = cport_name; | |
5257 | phba->Port[1] = '\0'; | |
5258 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5259 | "3091 SLI get port name: %s\n", phba->Port); | |
5260 | } | |
5261 | ||
5262 | out_free_mboxq: | |
5263 | if (rc != MBX_TIMEOUT) { | |
5264 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
5265 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
5266 | else | |
5267 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5268 | } | |
5269 | return rc; | |
5270 | } | |
5271 | ||
e59058c4 | 5272 | /** |
da0436e9 JS |
5273 | * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues |
5274 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 5275 | * |
da0436e9 JS |
5276 | * This routine is called to explicitly arm the SLI4 device's completion and |
5277 | * event queues | |
5278 | **/ | |
5279 | static void | |
5280 | lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba) | |
5281 | { | |
895427bd | 5282 | int qidx; |
da0436e9 JS |
5283 | |
5284 | lpfc_sli4_cq_release(phba->sli4_hba.mbx_cq, LPFC_QUEUE_REARM); | |
5285 | lpfc_sli4_cq_release(phba->sli4_hba.els_cq, LPFC_QUEUE_REARM); | |
895427bd JS |
5286 | if (phba->sli4_hba.nvmels_cq) |
5287 | lpfc_sli4_cq_release(phba->sli4_hba.nvmels_cq, | |
5288 | LPFC_QUEUE_REARM); | |
5289 | ||
5290 | if (phba->sli4_hba.fcp_cq) | |
5291 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) | |
5292 | lpfc_sli4_cq_release(phba->sli4_hba.fcp_cq[qidx], | |
5293 | LPFC_QUEUE_REARM); | |
5294 | ||
5295 | if (phba->sli4_hba.nvme_cq) | |
5296 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) | |
5297 | lpfc_sli4_cq_release(phba->sli4_hba.nvme_cq[qidx], | |
5298 | LPFC_QUEUE_REARM); | |
1ba981fd | 5299 | |
f38fa0bb | 5300 | if (phba->cfg_fof) |
1ba981fd JS |
5301 | lpfc_sli4_cq_release(phba->sli4_hba.oas_cq, LPFC_QUEUE_REARM); |
5302 | ||
895427bd JS |
5303 | if (phba->sli4_hba.hba_eq) |
5304 | for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) | |
5305 | lpfc_sli4_eq_release(phba->sli4_hba.hba_eq[qidx], | |
5306 | LPFC_QUEUE_REARM); | |
1ba981fd | 5307 | |
2d7dbc4c JS |
5308 | if (phba->nvmet_support) { |
5309 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) { | |
5310 | lpfc_sli4_cq_release( | |
5311 | phba->sli4_hba.nvmet_cqset[qidx], | |
5312 | LPFC_QUEUE_REARM); | |
5313 | } | |
2e90f4b5 | 5314 | } |
1ba981fd JS |
5315 | |
5316 | if (phba->cfg_fof) | |
5317 | lpfc_sli4_eq_release(phba->sli4_hba.fof_eq, LPFC_QUEUE_REARM); | |
da0436e9 JS |
5318 | } |
5319 | ||
6d368e53 JS |
5320 | /** |
5321 | * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count. | |
5322 | * @phba: Pointer to HBA context object. | |
5323 | * @type: The resource extent type. | |
b76f2dc9 JS |
5324 | * @extnt_count: buffer to hold port available extent count. |
5325 | * @extnt_size: buffer to hold element count per extent. | |
6d368e53 | 5326 | * |
b76f2dc9 JS |
5327 | * This function calls the port and retrievs the number of available |
5328 | * extents and their size for a particular extent type. | |
5329 | * | |
5330 | * Returns: 0 if successful. Nonzero otherwise. | |
6d368e53 | 5331 | **/ |
b76f2dc9 | 5332 | int |
6d368e53 JS |
5333 | lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type, |
5334 | uint16_t *extnt_count, uint16_t *extnt_size) | |
5335 | { | |
5336 | int rc = 0; | |
5337 | uint32_t length; | |
5338 | uint32_t mbox_tmo; | |
5339 | struct lpfc_mbx_get_rsrc_extent_info *rsrc_info; | |
5340 | LPFC_MBOXQ_t *mbox; | |
5341 | ||
5342 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5343 | if (!mbox) | |
5344 | return -ENOMEM; | |
5345 | ||
5346 | /* Find out how many extents are available for this resource type */ | |
5347 | length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) - | |
5348 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5349 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5350 | LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO, | |
5351 | length, LPFC_SLI4_MBX_EMBED); | |
5352 | ||
5353 | /* Send an extents count of 0 - the GET doesn't use it. */ | |
5354 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5355 | LPFC_SLI4_MBX_EMBED); | |
5356 | if (unlikely(rc)) { | |
5357 | rc = -EIO; | |
5358 | goto err_exit; | |
5359 | } | |
5360 | ||
5361 | if (!phba->sli4_hba.intr_enable) | |
5362 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5363 | else { | |
a183a15f | 5364 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5365 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5366 | } | |
5367 | if (unlikely(rc)) { | |
5368 | rc = -EIO; | |
5369 | goto err_exit; | |
5370 | } | |
5371 | ||
5372 | rsrc_info = &mbox->u.mqe.un.rsrc_extent_info; | |
5373 | if (bf_get(lpfc_mbox_hdr_status, | |
5374 | &rsrc_info->header.cfg_shdr.response)) { | |
5375 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5376 | "2930 Failed to get resource extents " | |
5377 | "Status 0x%x Add'l Status 0x%x\n", | |
5378 | bf_get(lpfc_mbox_hdr_status, | |
5379 | &rsrc_info->header.cfg_shdr.response), | |
5380 | bf_get(lpfc_mbox_hdr_add_status, | |
5381 | &rsrc_info->header.cfg_shdr.response)); | |
5382 | rc = -EIO; | |
5383 | goto err_exit; | |
5384 | } | |
5385 | ||
5386 | *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt, | |
5387 | &rsrc_info->u.rsp); | |
5388 | *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size, | |
5389 | &rsrc_info->u.rsp); | |
8a9d2e80 JS |
5390 | |
5391 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5392 | "3162 Retrieved extents type-%d from port: count:%d, " | |
5393 | "size:%d\n", type, *extnt_count, *extnt_size); | |
5394 | ||
5395 | err_exit: | |
6d368e53 JS |
5396 | mempool_free(mbox, phba->mbox_mem_pool); |
5397 | return rc; | |
5398 | } | |
5399 | ||
5400 | /** | |
5401 | * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents. | |
5402 | * @phba: Pointer to HBA context object. | |
5403 | * @type: The extent type to check. | |
5404 | * | |
5405 | * This function reads the current available extents from the port and checks | |
5406 | * if the extent count or extent size has changed since the last access. | |
5407 | * Callers use this routine post port reset to understand if there is a | |
5408 | * extent reprovisioning requirement. | |
5409 | * | |
5410 | * Returns: | |
5411 | * -Error: error indicates problem. | |
5412 | * 1: Extent count or size has changed. | |
5413 | * 0: No changes. | |
5414 | **/ | |
5415 | static int | |
5416 | lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type) | |
5417 | { | |
5418 | uint16_t curr_ext_cnt, rsrc_ext_cnt; | |
5419 | uint16_t size_diff, rsrc_ext_size; | |
5420 | int rc = 0; | |
5421 | struct lpfc_rsrc_blks *rsrc_entry; | |
5422 | struct list_head *rsrc_blk_list = NULL; | |
5423 | ||
5424 | size_diff = 0; | |
5425 | curr_ext_cnt = 0; | |
5426 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5427 | &rsrc_ext_cnt, | |
5428 | &rsrc_ext_size); | |
5429 | if (unlikely(rc)) | |
5430 | return -EIO; | |
5431 | ||
5432 | switch (type) { | |
5433 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5434 | rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5435 | break; | |
5436 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5437 | rsrc_blk_list = &phba->lpfc_vpi_blk_list; | |
5438 | break; | |
5439 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5440 | rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5441 | break; | |
5442 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5443 | rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5444 | break; | |
5445 | default: | |
5446 | break; | |
5447 | } | |
5448 | ||
5449 | list_for_each_entry(rsrc_entry, rsrc_blk_list, list) { | |
5450 | curr_ext_cnt++; | |
5451 | if (rsrc_entry->rsrc_size != rsrc_ext_size) | |
5452 | size_diff++; | |
5453 | } | |
5454 | ||
5455 | if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0) | |
5456 | rc = 1; | |
5457 | ||
5458 | return rc; | |
5459 | } | |
5460 | ||
5461 | /** | |
5462 | * lpfc_sli4_cfg_post_extnts - | |
5463 | * @phba: Pointer to HBA context object. | |
5464 | * @extnt_cnt - number of available extents. | |
5465 | * @type - the extent type (rpi, xri, vfi, vpi). | |
5466 | * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation. | |
5467 | * @mbox - pointer to the caller's allocated mailbox structure. | |
5468 | * | |
5469 | * This function executes the extents allocation request. It also | |
5470 | * takes care of the amount of memory needed to allocate or get the | |
5471 | * allocated extents. It is the caller's responsibility to evaluate | |
5472 | * the response. | |
5473 | * | |
5474 | * Returns: | |
5475 | * -Error: Error value describes the condition found. | |
5476 | * 0: if successful | |
5477 | **/ | |
5478 | static int | |
8a9d2e80 | 5479 | lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t extnt_cnt, |
6d368e53 JS |
5480 | uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox) |
5481 | { | |
5482 | int rc = 0; | |
5483 | uint32_t req_len; | |
5484 | uint32_t emb_len; | |
5485 | uint32_t alloc_len, mbox_tmo; | |
5486 | ||
5487 | /* Calculate the total requested length of the dma memory */ | |
8a9d2e80 | 5488 | req_len = extnt_cnt * sizeof(uint16_t); |
6d368e53 JS |
5489 | |
5490 | /* | |
5491 | * Calculate the size of an embedded mailbox. The uint32_t | |
5492 | * accounts for extents-specific word. | |
5493 | */ | |
5494 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
5495 | sizeof(uint32_t); | |
5496 | ||
5497 | /* | |
5498 | * Presume the allocation and response will fit into an embedded | |
5499 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
5500 | */ | |
5501 | *emb = LPFC_SLI4_MBX_EMBED; | |
5502 | if (req_len > emb_len) { | |
8a9d2e80 | 5503 | req_len = extnt_cnt * sizeof(uint16_t) + |
6d368e53 JS |
5504 | sizeof(union lpfc_sli4_cfg_shdr) + |
5505 | sizeof(uint32_t); | |
5506 | *emb = LPFC_SLI4_MBX_NEMBED; | |
5507 | } | |
5508 | ||
5509 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5510 | LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT, | |
5511 | req_len, *emb); | |
5512 | if (alloc_len < req_len) { | |
5513 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
b76f2dc9 | 5514 | "2982 Allocated DMA memory size (x%x) is " |
6d368e53 JS |
5515 | "less than the requested DMA memory " |
5516 | "size (x%x)\n", alloc_len, req_len); | |
5517 | return -ENOMEM; | |
5518 | } | |
8a9d2e80 | 5519 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, extnt_cnt, type, *emb); |
6d368e53 JS |
5520 | if (unlikely(rc)) |
5521 | return -EIO; | |
5522 | ||
5523 | if (!phba->sli4_hba.intr_enable) | |
5524 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5525 | else { | |
a183a15f | 5526 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5527 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5528 | } | |
5529 | ||
5530 | if (unlikely(rc)) | |
5531 | rc = -EIO; | |
5532 | return rc; | |
5533 | } | |
5534 | ||
5535 | /** | |
5536 | * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent. | |
5537 | * @phba: Pointer to HBA context object. | |
5538 | * @type: The resource extent type to allocate. | |
5539 | * | |
5540 | * This function allocates the number of elements for the specified | |
5541 | * resource type. | |
5542 | **/ | |
5543 | static int | |
5544 | lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5545 | { | |
5546 | bool emb = false; | |
5547 | uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size; | |
5548 | uint16_t rsrc_id, rsrc_start, j, k; | |
5549 | uint16_t *ids; | |
5550 | int i, rc; | |
5551 | unsigned long longs; | |
5552 | unsigned long *bmask; | |
5553 | struct lpfc_rsrc_blks *rsrc_blks; | |
5554 | LPFC_MBOXQ_t *mbox; | |
5555 | uint32_t length; | |
5556 | struct lpfc_id_range *id_array = NULL; | |
5557 | void *virtaddr = NULL; | |
5558 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
5559 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
5560 | struct list_head *ext_blk_list; | |
5561 | ||
5562 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5563 | &rsrc_cnt, | |
5564 | &rsrc_size); | |
5565 | if (unlikely(rc)) | |
5566 | return -EIO; | |
5567 | ||
5568 | if ((rsrc_cnt == 0) || (rsrc_size == 0)) { | |
5569 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5570 | "3009 No available Resource Extents " | |
5571 | "for resource type 0x%x: Count: 0x%x, " | |
5572 | "Size 0x%x\n", type, rsrc_cnt, | |
5573 | rsrc_size); | |
5574 | return -ENOMEM; | |
5575 | } | |
5576 | ||
8a9d2e80 JS |
5577 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT | LOG_SLI, |
5578 | "2903 Post resource extents type-0x%x: " | |
5579 | "count:%d, size %d\n", type, rsrc_cnt, rsrc_size); | |
6d368e53 JS |
5580 | |
5581 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5582 | if (!mbox) | |
5583 | return -ENOMEM; | |
5584 | ||
8a9d2e80 | 5585 | rc = lpfc_sli4_cfg_post_extnts(phba, rsrc_cnt, type, &emb, mbox); |
6d368e53 JS |
5586 | if (unlikely(rc)) { |
5587 | rc = -EIO; | |
5588 | goto err_exit; | |
5589 | } | |
5590 | ||
5591 | /* | |
5592 | * Figure out where the response is located. Then get local pointers | |
5593 | * to the response data. The port does not guarantee to respond to | |
5594 | * all extents counts request so update the local variable with the | |
5595 | * allocated count from the port. | |
5596 | */ | |
5597 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
5598 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
5599 | id_array = &rsrc_ext->u.rsp.id[0]; | |
5600 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
5601 | } else { | |
5602 | virtaddr = mbox->sge_array->addr[0]; | |
5603 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
5604 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
5605 | id_array = &n_rsrc->id; | |
5606 | } | |
5607 | ||
5608 | longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5609 | rsrc_id_cnt = rsrc_cnt * rsrc_size; | |
5610 | ||
5611 | /* | |
5612 | * Based on the resource size and count, correct the base and max | |
5613 | * resource values. | |
5614 | */ | |
5615 | length = sizeof(struct lpfc_rsrc_blks); | |
5616 | switch (type) { | |
5617 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5618 | phba->sli4_hba.rpi_bmask = kzalloc(longs * | |
5619 | sizeof(unsigned long), | |
5620 | GFP_KERNEL); | |
5621 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
5622 | rc = -ENOMEM; | |
5623 | goto err_exit; | |
5624 | } | |
5625 | phba->sli4_hba.rpi_ids = kzalloc(rsrc_id_cnt * | |
5626 | sizeof(uint16_t), | |
5627 | GFP_KERNEL); | |
5628 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
5629 | kfree(phba->sli4_hba.rpi_bmask); | |
5630 | rc = -ENOMEM; | |
5631 | goto err_exit; | |
5632 | } | |
5633 | ||
5634 | /* | |
5635 | * The next_rpi was initialized with the maximum available | |
5636 | * count but the port may allocate a smaller number. Catch | |
5637 | * that case and update the next_rpi. | |
5638 | */ | |
5639 | phba->sli4_hba.next_rpi = rsrc_id_cnt; | |
5640 | ||
5641 | /* Initialize local ptrs for common extent processing later. */ | |
5642 | bmask = phba->sli4_hba.rpi_bmask; | |
5643 | ids = phba->sli4_hba.rpi_ids; | |
5644 | ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5645 | break; | |
5646 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5647 | phba->vpi_bmask = kzalloc(longs * | |
5648 | sizeof(unsigned long), | |
5649 | GFP_KERNEL); | |
5650 | if (unlikely(!phba->vpi_bmask)) { | |
5651 | rc = -ENOMEM; | |
5652 | goto err_exit; | |
5653 | } | |
5654 | phba->vpi_ids = kzalloc(rsrc_id_cnt * | |
5655 | sizeof(uint16_t), | |
5656 | GFP_KERNEL); | |
5657 | if (unlikely(!phba->vpi_ids)) { | |
5658 | kfree(phba->vpi_bmask); | |
5659 | rc = -ENOMEM; | |
5660 | goto err_exit; | |
5661 | } | |
5662 | ||
5663 | /* Initialize local ptrs for common extent processing later. */ | |
5664 | bmask = phba->vpi_bmask; | |
5665 | ids = phba->vpi_ids; | |
5666 | ext_blk_list = &phba->lpfc_vpi_blk_list; | |
5667 | break; | |
5668 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5669 | phba->sli4_hba.xri_bmask = kzalloc(longs * | |
5670 | sizeof(unsigned long), | |
5671 | GFP_KERNEL); | |
5672 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
5673 | rc = -ENOMEM; | |
5674 | goto err_exit; | |
5675 | } | |
8a9d2e80 | 5676 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6d368e53 JS |
5677 | phba->sli4_hba.xri_ids = kzalloc(rsrc_id_cnt * |
5678 | sizeof(uint16_t), | |
5679 | GFP_KERNEL); | |
5680 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
5681 | kfree(phba->sli4_hba.xri_bmask); | |
5682 | rc = -ENOMEM; | |
5683 | goto err_exit; | |
5684 | } | |
5685 | ||
5686 | /* Initialize local ptrs for common extent processing later. */ | |
5687 | bmask = phba->sli4_hba.xri_bmask; | |
5688 | ids = phba->sli4_hba.xri_ids; | |
5689 | ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5690 | break; | |
5691 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5692 | phba->sli4_hba.vfi_bmask = kzalloc(longs * | |
5693 | sizeof(unsigned long), | |
5694 | GFP_KERNEL); | |
5695 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
5696 | rc = -ENOMEM; | |
5697 | goto err_exit; | |
5698 | } | |
5699 | phba->sli4_hba.vfi_ids = kzalloc(rsrc_id_cnt * | |
5700 | sizeof(uint16_t), | |
5701 | GFP_KERNEL); | |
5702 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
5703 | kfree(phba->sli4_hba.vfi_bmask); | |
5704 | rc = -ENOMEM; | |
5705 | goto err_exit; | |
5706 | } | |
5707 | ||
5708 | /* Initialize local ptrs for common extent processing later. */ | |
5709 | bmask = phba->sli4_hba.vfi_bmask; | |
5710 | ids = phba->sli4_hba.vfi_ids; | |
5711 | ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5712 | break; | |
5713 | default: | |
5714 | /* Unsupported Opcode. Fail call. */ | |
5715 | id_array = NULL; | |
5716 | bmask = NULL; | |
5717 | ids = NULL; | |
5718 | ext_blk_list = NULL; | |
5719 | goto err_exit; | |
5720 | } | |
5721 | ||
5722 | /* | |
5723 | * Complete initializing the extent configuration with the | |
5724 | * allocated ids assigned to this function. The bitmask serves | |
5725 | * as an index into the array and manages the available ids. The | |
5726 | * array just stores the ids communicated to the port via the wqes. | |
5727 | */ | |
5728 | for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) { | |
5729 | if ((i % 2) == 0) | |
5730 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0, | |
5731 | &id_array[k]); | |
5732 | else | |
5733 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1, | |
5734 | &id_array[k]); | |
5735 | ||
5736 | rsrc_blks = kzalloc(length, GFP_KERNEL); | |
5737 | if (unlikely(!rsrc_blks)) { | |
5738 | rc = -ENOMEM; | |
5739 | kfree(bmask); | |
5740 | kfree(ids); | |
5741 | goto err_exit; | |
5742 | } | |
5743 | rsrc_blks->rsrc_start = rsrc_id; | |
5744 | rsrc_blks->rsrc_size = rsrc_size; | |
5745 | list_add_tail(&rsrc_blks->list, ext_blk_list); | |
5746 | rsrc_start = rsrc_id; | |
895427bd | 5747 | if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) { |
6d368e53 | 5748 | phba->sli4_hba.scsi_xri_start = rsrc_start + |
895427bd JS |
5749 | lpfc_sli4_get_iocb_cnt(phba); |
5750 | phba->sli4_hba.nvme_xri_start = | |
5751 | phba->sli4_hba.scsi_xri_start + | |
5752 | phba->sli4_hba.scsi_xri_max; | |
5753 | } | |
6d368e53 JS |
5754 | |
5755 | while (rsrc_id < (rsrc_start + rsrc_size)) { | |
5756 | ids[j] = rsrc_id; | |
5757 | rsrc_id++; | |
5758 | j++; | |
5759 | } | |
5760 | /* Entire word processed. Get next word.*/ | |
5761 | if ((i % 2) == 1) | |
5762 | k++; | |
5763 | } | |
5764 | err_exit: | |
5765 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
5766 | return rc; | |
5767 | } | |
5768 | ||
895427bd JS |
5769 | |
5770 | ||
6d368e53 JS |
5771 | /** |
5772 | * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent. | |
5773 | * @phba: Pointer to HBA context object. | |
5774 | * @type: the extent's type. | |
5775 | * | |
5776 | * This function deallocates all extents of a particular resource type. | |
5777 | * SLI4 does not allow for deallocating a particular extent range. It | |
5778 | * is the caller's responsibility to release all kernel memory resources. | |
5779 | **/ | |
5780 | static int | |
5781 | lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5782 | { | |
5783 | int rc; | |
5784 | uint32_t length, mbox_tmo = 0; | |
5785 | LPFC_MBOXQ_t *mbox; | |
5786 | struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc; | |
5787 | struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next; | |
5788 | ||
5789 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5790 | if (!mbox) | |
5791 | return -ENOMEM; | |
5792 | ||
5793 | /* | |
5794 | * This function sends an embedded mailbox because it only sends the | |
5795 | * the resource type. All extents of this type are released by the | |
5796 | * port. | |
5797 | */ | |
5798 | length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) - | |
5799 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5800 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5801 | LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT, | |
5802 | length, LPFC_SLI4_MBX_EMBED); | |
5803 | ||
5804 | /* Send an extents count of 0 - the dealloc doesn't use it. */ | |
5805 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5806 | LPFC_SLI4_MBX_EMBED); | |
5807 | if (unlikely(rc)) { | |
5808 | rc = -EIO; | |
5809 | goto out_free_mbox; | |
5810 | } | |
5811 | if (!phba->sli4_hba.intr_enable) | |
5812 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5813 | else { | |
a183a15f | 5814 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5815 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5816 | } | |
5817 | if (unlikely(rc)) { | |
5818 | rc = -EIO; | |
5819 | goto out_free_mbox; | |
5820 | } | |
5821 | ||
5822 | dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents; | |
5823 | if (bf_get(lpfc_mbox_hdr_status, | |
5824 | &dealloc_rsrc->header.cfg_shdr.response)) { | |
5825 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5826 | "2919 Failed to release resource extents " | |
5827 | "for type %d - Status 0x%x Add'l Status 0x%x. " | |
5828 | "Resource memory not released.\n", | |
5829 | type, | |
5830 | bf_get(lpfc_mbox_hdr_status, | |
5831 | &dealloc_rsrc->header.cfg_shdr.response), | |
5832 | bf_get(lpfc_mbox_hdr_add_status, | |
5833 | &dealloc_rsrc->header.cfg_shdr.response)); | |
5834 | rc = -EIO; | |
5835 | goto out_free_mbox; | |
5836 | } | |
5837 | ||
5838 | /* Release kernel memory resources for the specific type. */ | |
5839 | switch (type) { | |
5840 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5841 | kfree(phba->vpi_bmask); | |
5842 | kfree(phba->vpi_ids); | |
5843 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5844 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5845 | &phba->lpfc_vpi_blk_list, list) { | |
5846 | list_del_init(&rsrc_blk->list); | |
5847 | kfree(rsrc_blk); | |
5848 | } | |
16a3a208 | 5849 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
5850 | break; |
5851 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5852 | kfree(phba->sli4_hba.xri_bmask); | |
5853 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
5854 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, |
5855 | &phba->sli4_hba.lpfc_xri_blk_list, list) { | |
5856 | list_del_init(&rsrc_blk->list); | |
5857 | kfree(rsrc_blk); | |
5858 | } | |
5859 | break; | |
5860 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5861 | kfree(phba->sli4_hba.vfi_bmask); | |
5862 | kfree(phba->sli4_hba.vfi_ids); | |
5863 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5864 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5865 | &phba->sli4_hba.lpfc_vfi_blk_list, list) { | |
5866 | list_del_init(&rsrc_blk->list); | |
5867 | kfree(rsrc_blk); | |
5868 | } | |
5869 | break; | |
5870 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5871 | /* RPI bitmask and physical id array are cleaned up earlier. */ | |
5872 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5873 | &phba->sli4_hba.lpfc_rpi_blk_list, list) { | |
5874 | list_del_init(&rsrc_blk->list); | |
5875 | kfree(rsrc_blk); | |
5876 | } | |
5877 | break; | |
5878 | default: | |
5879 | break; | |
5880 | } | |
5881 | ||
5882 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5883 | ||
5884 | out_free_mbox: | |
5885 | mempool_free(mbox, phba->mbox_mem_pool); | |
5886 | return rc; | |
5887 | } | |
5888 | ||
bd4b3e5c | 5889 | static void |
7bdedb34 JS |
5890 | lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, |
5891 | uint32_t feature) | |
65791f1f | 5892 | { |
65791f1f | 5893 | uint32_t len; |
65791f1f | 5894 | |
65791f1f JS |
5895 | len = sizeof(struct lpfc_mbx_set_feature) - |
5896 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
5897 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5898 | LPFC_MBOX_OPCODE_SET_FEATURES, len, | |
5899 | LPFC_SLI4_MBX_EMBED); | |
7bdedb34 JS |
5900 | |
5901 | switch (feature) { | |
5902 | case LPFC_SET_UE_RECOVERY: | |
5903 | bf_set(lpfc_mbx_set_feature_UER, | |
5904 | &mbox->u.mqe.un.set_feature, 1); | |
5905 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_UE_RECOVERY; | |
5906 | mbox->u.mqe.un.set_feature.param_len = 8; | |
5907 | break; | |
5908 | case LPFC_SET_MDS_DIAGS: | |
5909 | bf_set(lpfc_mbx_set_feature_mds, | |
5910 | &mbox->u.mqe.un.set_feature, 1); | |
5911 | bf_set(lpfc_mbx_set_feature_mds_deep_loopbk, | |
ae9e28f3 | 5912 | &mbox->u.mqe.un.set_feature, 1); |
7bdedb34 JS |
5913 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_MDS_DIAGS; |
5914 | mbox->u.mqe.un.set_feature.param_len = 8; | |
5915 | break; | |
65791f1f | 5916 | } |
7bdedb34 JS |
5917 | |
5918 | return; | |
65791f1f JS |
5919 | } |
5920 | ||
6d368e53 JS |
5921 | /** |
5922 | * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents. | |
5923 | * @phba: Pointer to HBA context object. | |
5924 | * | |
5925 | * This function allocates all SLI4 resource identifiers. | |
5926 | **/ | |
5927 | int | |
5928 | lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) | |
5929 | { | |
5930 | int i, rc, error = 0; | |
5931 | uint16_t count, base; | |
5932 | unsigned long longs; | |
5933 | ||
ff78d8f9 JS |
5934 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
5935 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi; | |
6d368e53 JS |
5936 | if (phba->sli4_hba.extents_in_use) { |
5937 | /* | |
5938 | * The port supports resource extents. The XRI, VPI, VFI, RPI | |
5939 | * resource extent count must be read and allocated before | |
5940 | * provisioning the resource id arrays. | |
5941 | */ | |
5942 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
5943 | LPFC_IDX_RSRC_RDY) { | |
5944 | /* | |
5945 | * Extent-based resources are set - the driver could | |
5946 | * be in a port reset. Figure out if any corrective | |
5947 | * actions need to be taken. | |
5948 | */ | |
5949 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5950 | LPFC_RSC_TYPE_FCOE_VFI); | |
5951 | if (rc != 0) | |
5952 | error++; | |
5953 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5954 | LPFC_RSC_TYPE_FCOE_VPI); | |
5955 | if (rc != 0) | |
5956 | error++; | |
5957 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5958 | LPFC_RSC_TYPE_FCOE_XRI); | |
5959 | if (rc != 0) | |
5960 | error++; | |
5961 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5962 | LPFC_RSC_TYPE_FCOE_RPI); | |
5963 | if (rc != 0) | |
5964 | error++; | |
5965 | ||
5966 | /* | |
5967 | * It's possible that the number of resources | |
5968 | * provided to this port instance changed between | |
5969 | * resets. Detect this condition and reallocate | |
5970 | * resources. Otherwise, there is no action. | |
5971 | */ | |
5972 | if (error) { | |
5973 | lpfc_printf_log(phba, KERN_INFO, | |
5974 | LOG_MBOX | LOG_INIT, | |
5975 | "2931 Detected extent resource " | |
5976 | "change. Reallocating all " | |
5977 | "extents.\n"); | |
5978 | rc = lpfc_sli4_dealloc_extent(phba, | |
5979 | LPFC_RSC_TYPE_FCOE_VFI); | |
5980 | rc = lpfc_sli4_dealloc_extent(phba, | |
5981 | LPFC_RSC_TYPE_FCOE_VPI); | |
5982 | rc = lpfc_sli4_dealloc_extent(phba, | |
5983 | LPFC_RSC_TYPE_FCOE_XRI); | |
5984 | rc = lpfc_sli4_dealloc_extent(phba, | |
5985 | LPFC_RSC_TYPE_FCOE_RPI); | |
5986 | } else | |
5987 | return 0; | |
5988 | } | |
5989 | ||
5990 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
5991 | if (unlikely(rc)) | |
5992 | goto err_exit; | |
5993 | ||
5994 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
5995 | if (unlikely(rc)) | |
5996 | goto err_exit; | |
5997 | ||
5998 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
5999 | if (unlikely(rc)) | |
6000 | goto err_exit; | |
6001 | ||
6002 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6003 | if (unlikely(rc)) | |
6004 | goto err_exit; | |
6005 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6006 | LPFC_IDX_RSRC_RDY); | |
6007 | return rc; | |
6008 | } else { | |
6009 | /* | |
6010 | * The port does not support resource extents. The XRI, VPI, | |
6011 | * VFI, RPI resource ids were determined from READ_CONFIG. | |
6012 | * Just allocate the bitmasks and provision the resource id | |
6013 | * arrays. If a port reset is active, the resources don't | |
6014 | * need any action - just exit. | |
6015 | */ | |
6016 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
ff78d8f9 JS |
6017 | LPFC_IDX_RSRC_RDY) { |
6018 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
6019 | lpfc_sli4_remove_rpis(phba); | |
6020 | } | |
6d368e53 JS |
6021 | /* RPIs. */ |
6022 | count = phba->sli4_hba.max_cfg_param.max_rpi; | |
0a630c27 JS |
6023 | if (count <= 0) { |
6024 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6025 | "3279 Invalid provisioning of " | |
6026 | "rpi:%d\n", count); | |
6027 | rc = -EINVAL; | |
6028 | goto err_exit; | |
6029 | } | |
6d368e53 JS |
6030 | base = phba->sli4_hba.max_cfg_param.rpi_base; |
6031 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6032 | phba->sli4_hba.rpi_bmask = kzalloc(longs * | |
6033 | sizeof(unsigned long), | |
6034 | GFP_KERNEL); | |
6035 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
6036 | rc = -ENOMEM; | |
6037 | goto err_exit; | |
6038 | } | |
6039 | phba->sli4_hba.rpi_ids = kzalloc(count * | |
6040 | sizeof(uint16_t), | |
6041 | GFP_KERNEL); | |
6042 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
6043 | rc = -ENOMEM; | |
6044 | goto free_rpi_bmask; | |
6045 | } | |
6046 | ||
6047 | for (i = 0; i < count; i++) | |
6048 | phba->sli4_hba.rpi_ids[i] = base + i; | |
6049 | ||
6050 | /* VPIs. */ | |
6051 | count = phba->sli4_hba.max_cfg_param.max_vpi; | |
0a630c27 JS |
6052 | if (count <= 0) { |
6053 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6054 | "3280 Invalid provisioning of " | |
6055 | "vpi:%d\n", count); | |
6056 | rc = -EINVAL; | |
6057 | goto free_rpi_ids; | |
6058 | } | |
6d368e53 JS |
6059 | base = phba->sli4_hba.max_cfg_param.vpi_base; |
6060 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6061 | phba->vpi_bmask = kzalloc(longs * | |
6062 | sizeof(unsigned long), | |
6063 | GFP_KERNEL); | |
6064 | if (unlikely(!phba->vpi_bmask)) { | |
6065 | rc = -ENOMEM; | |
6066 | goto free_rpi_ids; | |
6067 | } | |
6068 | phba->vpi_ids = kzalloc(count * | |
6069 | sizeof(uint16_t), | |
6070 | GFP_KERNEL); | |
6071 | if (unlikely(!phba->vpi_ids)) { | |
6072 | rc = -ENOMEM; | |
6073 | goto free_vpi_bmask; | |
6074 | } | |
6075 | ||
6076 | for (i = 0; i < count; i++) | |
6077 | phba->vpi_ids[i] = base + i; | |
6078 | ||
6079 | /* XRIs. */ | |
6080 | count = phba->sli4_hba.max_cfg_param.max_xri; | |
0a630c27 JS |
6081 | if (count <= 0) { |
6082 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6083 | "3281 Invalid provisioning of " | |
6084 | "xri:%d\n", count); | |
6085 | rc = -EINVAL; | |
6086 | goto free_vpi_ids; | |
6087 | } | |
6d368e53 JS |
6088 | base = phba->sli4_hba.max_cfg_param.xri_base; |
6089 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6090 | phba->sli4_hba.xri_bmask = kzalloc(longs * | |
6091 | sizeof(unsigned long), | |
6092 | GFP_KERNEL); | |
6093 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
6094 | rc = -ENOMEM; | |
6095 | goto free_vpi_ids; | |
6096 | } | |
41899be7 | 6097 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6d368e53 JS |
6098 | phba->sli4_hba.xri_ids = kzalloc(count * |
6099 | sizeof(uint16_t), | |
6100 | GFP_KERNEL); | |
6101 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
6102 | rc = -ENOMEM; | |
6103 | goto free_xri_bmask; | |
6104 | } | |
6105 | ||
6106 | for (i = 0; i < count; i++) | |
6107 | phba->sli4_hba.xri_ids[i] = base + i; | |
6108 | ||
6109 | /* VFIs. */ | |
6110 | count = phba->sli4_hba.max_cfg_param.max_vfi; | |
0a630c27 JS |
6111 | if (count <= 0) { |
6112 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6113 | "3282 Invalid provisioning of " | |
6114 | "vfi:%d\n", count); | |
6115 | rc = -EINVAL; | |
6116 | goto free_xri_ids; | |
6117 | } | |
6d368e53 JS |
6118 | base = phba->sli4_hba.max_cfg_param.vfi_base; |
6119 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6120 | phba->sli4_hba.vfi_bmask = kzalloc(longs * | |
6121 | sizeof(unsigned long), | |
6122 | GFP_KERNEL); | |
6123 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
6124 | rc = -ENOMEM; | |
6125 | goto free_xri_ids; | |
6126 | } | |
6127 | phba->sli4_hba.vfi_ids = kzalloc(count * | |
6128 | sizeof(uint16_t), | |
6129 | GFP_KERNEL); | |
6130 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
6131 | rc = -ENOMEM; | |
6132 | goto free_vfi_bmask; | |
6133 | } | |
6134 | ||
6135 | for (i = 0; i < count; i++) | |
6136 | phba->sli4_hba.vfi_ids[i] = base + i; | |
6137 | ||
6138 | /* | |
6139 | * Mark all resources ready. An HBA reset doesn't need | |
6140 | * to reset the initialization. | |
6141 | */ | |
6142 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6143 | LPFC_IDX_RSRC_RDY); | |
6144 | return 0; | |
6145 | } | |
6146 | ||
6147 | free_vfi_bmask: | |
6148 | kfree(phba->sli4_hba.vfi_bmask); | |
cd60be49 | 6149 | phba->sli4_hba.vfi_bmask = NULL; |
6d368e53 JS |
6150 | free_xri_ids: |
6151 | kfree(phba->sli4_hba.xri_ids); | |
cd60be49 | 6152 | phba->sli4_hba.xri_ids = NULL; |
6d368e53 JS |
6153 | free_xri_bmask: |
6154 | kfree(phba->sli4_hba.xri_bmask); | |
cd60be49 | 6155 | phba->sli4_hba.xri_bmask = NULL; |
6d368e53 JS |
6156 | free_vpi_ids: |
6157 | kfree(phba->vpi_ids); | |
cd60be49 | 6158 | phba->vpi_ids = NULL; |
6d368e53 JS |
6159 | free_vpi_bmask: |
6160 | kfree(phba->vpi_bmask); | |
cd60be49 | 6161 | phba->vpi_bmask = NULL; |
6d368e53 JS |
6162 | free_rpi_ids: |
6163 | kfree(phba->sli4_hba.rpi_ids); | |
cd60be49 | 6164 | phba->sli4_hba.rpi_ids = NULL; |
6d368e53 JS |
6165 | free_rpi_bmask: |
6166 | kfree(phba->sli4_hba.rpi_bmask); | |
cd60be49 | 6167 | phba->sli4_hba.rpi_bmask = NULL; |
6d368e53 JS |
6168 | err_exit: |
6169 | return rc; | |
6170 | } | |
6171 | ||
6172 | /** | |
6173 | * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents. | |
6174 | * @phba: Pointer to HBA context object. | |
6175 | * | |
6176 | * This function allocates the number of elements for the specified | |
6177 | * resource type. | |
6178 | **/ | |
6179 | int | |
6180 | lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba) | |
6181 | { | |
6182 | if (phba->sli4_hba.extents_in_use) { | |
6183 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6184 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6185 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6186 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6187 | } else { | |
6188 | kfree(phba->vpi_bmask); | |
16a3a208 | 6189 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6190 | kfree(phba->vpi_ids); |
6191 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6192 | kfree(phba->sli4_hba.xri_bmask); | |
6193 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6194 | kfree(phba->sli4_hba.vfi_bmask); |
6195 | kfree(phba->sli4_hba.vfi_ids); | |
6196 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6197 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6198 | } | |
6199 | ||
6200 | return 0; | |
6201 | } | |
6202 | ||
b76f2dc9 JS |
6203 | /** |
6204 | * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents. | |
6205 | * @phba: Pointer to HBA context object. | |
6206 | * @type: The resource extent type. | |
6207 | * @extnt_count: buffer to hold port extent count response | |
6208 | * @extnt_size: buffer to hold port extent size response. | |
6209 | * | |
6210 | * This function calls the port to read the host allocated extents | |
6211 | * for a particular type. | |
6212 | **/ | |
6213 | int | |
6214 | lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type, | |
6215 | uint16_t *extnt_cnt, uint16_t *extnt_size) | |
6216 | { | |
6217 | bool emb; | |
6218 | int rc = 0; | |
6219 | uint16_t curr_blks = 0; | |
6220 | uint32_t req_len, emb_len; | |
6221 | uint32_t alloc_len, mbox_tmo; | |
6222 | struct list_head *blk_list_head; | |
6223 | struct lpfc_rsrc_blks *rsrc_blk; | |
6224 | LPFC_MBOXQ_t *mbox; | |
6225 | void *virtaddr = NULL; | |
6226 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
6227 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
6228 | union lpfc_sli4_cfg_shdr *shdr; | |
6229 | ||
6230 | switch (type) { | |
6231 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6232 | blk_list_head = &phba->lpfc_vpi_blk_list; | |
6233 | break; | |
6234 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6235 | blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list; | |
6236 | break; | |
6237 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6238 | blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list; | |
6239 | break; | |
6240 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6241 | blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list; | |
6242 | break; | |
6243 | default: | |
6244 | return -EIO; | |
6245 | } | |
6246 | ||
6247 | /* Count the number of extents currently allocatd for this type. */ | |
6248 | list_for_each_entry(rsrc_blk, blk_list_head, list) { | |
6249 | if (curr_blks == 0) { | |
6250 | /* | |
6251 | * The GET_ALLOCATED mailbox does not return the size, | |
6252 | * just the count. The size should be just the size | |
6253 | * stored in the current allocated block and all sizes | |
6254 | * for an extent type are the same so set the return | |
6255 | * value now. | |
6256 | */ | |
6257 | *extnt_size = rsrc_blk->rsrc_size; | |
6258 | } | |
6259 | curr_blks++; | |
6260 | } | |
6261 | ||
b76f2dc9 JS |
6262 | /* |
6263 | * Calculate the size of an embedded mailbox. The uint32_t | |
6264 | * accounts for extents-specific word. | |
6265 | */ | |
6266 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
6267 | sizeof(uint32_t); | |
6268 | ||
6269 | /* | |
6270 | * Presume the allocation and response will fit into an embedded | |
6271 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
6272 | */ | |
6273 | emb = LPFC_SLI4_MBX_EMBED; | |
6274 | req_len = emb_len; | |
6275 | if (req_len > emb_len) { | |
6276 | req_len = curr_blks * sizeof(uint16_t) + | |
6277 | sizeof(union lpfc_sli4_cfg_shdr) + | |
6278 | sizeof(uint32_t); | |
6279 | emb = LPFC_SLI4_MBX_NEMBED; | |
6280 | } | |
6281 | ||
6282 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6283 | if (!mbox) | |
6284 | return -ENOMEM; | |
6285 | memset(mbox, 0, sizeof(LPFC_MBOXQ_t)); | |
6286 | ||
6287 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6288 | LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT, | |
6289 | req_len, emb); | |
6290 | if (alloc_len < req_len) { | |
6291 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6292 | "2983 Allocated DMA memory size (x%x) is " | |
6293 | "less than the requested DMA memory " | |
6294 | "size (x%x)\n", alloc_len, req_len); | |
6295 | rc = -ENOMEM; | |
6296 | goto err_exit; | |
6297 | } | |
6298 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb); | |
6299 | if (unlikely(rc)) { | |
6300 | rc = -EIO; | |
6301 | goto err_exit; | |
6302 | } | |
6303 | ||
6304 | if (!phba->sli4_hba.intr_enable) | |
6305 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6306 | else { | |
a183a15f | 6307 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
b76f2dc9 JS |
6308 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6309 | } | |
6310 | ||
6311 | if (unlikely(rc)) { | |
6312 | rc = -EIO; | |
6313 | goto err_exit; | |
6314 | } | |
6315 | ||
6316 | /* | |
6317 | * Figure out where the response is located. Then get local pointers | |
6318 | * to the response data. The port does not guarantee to respond to | |
6319 | * all extents counts request so update the local variable with the | |
6320 | * allocated count from the port. | |
6321 | */ | |
6322 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
6323 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
6324 | shdr = &rsrc_ext->header.cfg_shdr; | |
6325 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
6326 | } else { | |
6327 | virtaddr = mbox->sge_array->addr[0]; | |
6328 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
6329 | shdr = &n_rsrc->cfg_shdr; | |
6330 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
6331 | } | |
6332 | ||
6333 | if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) { | |
6334 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
6335 | "2984 Failed to read allocated resources " | |
6336 | "for type %d - Status 0x%x Add'l Status 0x%x.\n", | |
6337 | type, | |
6338 | bf_get(lpfc_mbox_hdr_status, &shdr->response), | |
6339 | bf_get(lpfc_mbox_hdr_add_status, &shdr->response)); | |
6340 | rc = -EIO; | |
6341 | goto err_exit; | |
6342 | } | |
6343 | err_exit: | |
6344 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
6345 | return rc; | |
6346 | } | |
6347 | ||
8a9d2e80 | 6348 | /** |
0ef69968 | 6349 | * lpfc_sli4_repost_sgl_list - Repost the buffers sgl pages as block |
8a9d2e80 | 6350 | * @phba: pointer to lpfc hba data structure. |
895427bd JS |
6351 | * @pring: Pointer to driver SLI ring object. |
6352 | * @sgl_list: linked link of sgl buffers to post | |
6353 | * @cnt: number of linked list buffers | |
8a9d2e80 | 6354 | * |
895427bd | 6355 | * This routine walks the list of buffers that have been allocated and |
8a9d2e80 JS |
6356 | * repost them to the port by using SGL block post. This is needed after a |
6357 | * pci_function_reset/warm_start or start. It attempts to construct blocks | |
895427bd JS |
6358 | * of buffer sgls which contains contiguous xris and uses the non-embedded |
6359 | * SGL block post mailbox commands to post them to the port. For single | |
8a9d2e80 JS |
6360 | * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post |
6361 | * mailbox command for posting. | |
6362 | * | |
6363 | * Returns: 0 = success, non-zero failure. | |
6364 | **/ | |
6365 | static int | |
895427bd JS |
6366 | lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, |
6367 | struct list_head *sgl_list, int cnt) | |
8a9d2e80 JS |
6368 | { |
6369 | struct lpfc_sglq *sglq_entry = NULL; | |
6370 | struct lpfc_sglq *sglq_entry_next = NULL; | |
6371 | struct lpfc_sglq *sglq_entry_first = NULL; | |
895427bd JS |
6372 | int status, total_cnt; |
6373 | int post_cnt = 0, num_posted = 0, block_cnt = 0; | |
8a9d2e80 JS |
6374 | int last_xritag = NO_XRI; |
6375 | LIST_HEAD(prep_sgl_list); | |
6376 | LIST_HEAD(blck_sgl_list); | |
6377 | LIST_HEAD(allc_sgl_list); | |
6378 | LIST_HEAD(post_sgl_list); | |
6379 | LIST_HEAD(free_sgl_list); | |
6380 | ||
38c20673 | 6381 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6382 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6383 | list_splice_init(sgl_list, &allc_sgl_list); | |
6384 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 6385 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 6386 | |
895427bd | 6387 | total_cnt = cnt; |
8a9d2e80 JS |
6388 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, |
6389 | &allc_sgl_list, list) { | |
6390 | list_del_init(&sglq_entry->list); | |
6391 | block_cnt++; | |
6392 | if ((last_xritag != NO_XRI) && | |
6393 | (sglq_entry->sli4_xritag != last_xritag + 1)) { | |
6394 | /* a hole in xri block, form a sgl posting block */ | |
6395 | list_splice_init(&prep_sgl_list, &blck_sgl_list); | |
6396 | post_cnt = block_cnt - 1; | |
6397 | /* prepare list for next posting block */ | |
6398 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6399 | block_cnt = 1; | |
6400 | } else { | |
6401 | /* prepare list for next posting block */ | |
6402 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6403 | /* enough sgls for non-embed sgl mbox command */ | |
6404 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
6405 | list_splice_init(&prep_sgl_list, | |
6406 | &blck_sgl_list); | |
6407 | post_cnt = block_cnt; | |
6408 | block_cnt = 0; | |
6409 | } | |
6410 | } | |
6411 | num_posted++; | |
6412 | ||
6413 | /* keep track of last sgl's xritag */ | |
6414 | last_xritag = sglq_entry->sli4_xritag; | |
6415 | ||
895427bd JS |
6416 | /* end of repost sgl list condition for buffers */ |
6417 | if (num_posted == total_cnt) { | |
8a9d2e80 JS |
6418 | if (post_cnt == 0) { |
6419 | list_splice_init(&prep_sgl_list, | |
6420 | &blck_sgl_list); | |
6421 | post_cnt = block_cnt; | |
6422 | } else if (block_cnt == 1) { | |
6423 | status = lpfc_sli4_post_sgl(phba, | |
6424 | sglq_entry->phys, 0, | |
6425 | sglq_entry->sli4_xritag); | |
6426 | if (!status) { | |
6427 | /* successful, put sgl to posted list */ | |
6428 | list_add_tail(&sglq_entry->list, | |
6429 | &post_sgl_list); | |
6430 | } else { | |
6431 | /* Failure, put sgl to free list */ | |
6432 | lpfc_printf_log(phba, KERN_WARNING, | |
6433 | LOG_SLI, | |
895427bd | 6434 | "3159 Failed to post " |
8a9d2e80 JS |
6435 | "sgl, xritag:x%x\n", |
6436 | sglq_entry->sli4_xritag); | |
6437 | list_add_tail(&sglq_entry->list, | |
6438 | &free_sgl_list); | |
711ea882 | 6439 | total_cnt--; |
8a9d2e80 JS |
6440 | } |
6441 | } | |
6442 | } | |
6443 | ||
6444 | /* continue until a nembed page worth of sgls */ | |
6445 | if (post_cnt == 0) | |
6446 | continue; | |
6447 | ||
895427bd JS |
6448 | /* post the buffer list sgls as a block */ |
6449 | status = lpfc_sli4_post_sgl_list(phba, &blck_sgl_list, | |
6450 | post_cnt); | |
8a9d2e80 JS |
6451 | |
6452 | if (!status) { | |
6453 | /* success, put sgl list to posted sgl list */ | |
6454 | list_splice_init(&blck_sgl_list, &post_sgl_list); | |
6455 | } else { | |
6456 | /* Failure, put sgl list to free sgl list */ | |
6457 | sglq_entry_first = list_first_entry(&blck_sgl_list, | |
6458 | struct lpfc_sglq, | |
6459 | list); | |
6460 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
895427bd | 6461 | "3160 Failed to post sgl-list, " |
8a9d2e80 JS |
6462 | "xritag:x%x-x%x\n", |
6463 | sglq_entry_first->sli4_xritag, | |
6464 | (sglq_entry_first->sli4_xritag + | |
6465 | post_cnt - 1)); | |
6466 | list_splice_init(&blck_sgl_list, &free_sgl_list); | |
711ea882 | 6467 | total_cnt -= post_cnt; |
8a9d2e80 JS |
6468 | } |
6469 | ||
6470 | /* don't reset xirtag due to hole in xri block */ | |
6471 | if (block_cnt == 0) | |
6472 | last_xritag = NO_XRI; | |
6473 | ||
895427bd | 6474 | /* reset sgl post count for next round of posting */ |
8a9d2e80 JS |
6475 | post_cnt = 0; |
6476 | } | |
6477 | ||
895427bd | 6478 | /* free the sgls failed to post */ |
8a9d2e80 JS |
6479 | lpfc_free_sgl_list(phba, &free_sgl_list); |
6480 | ||
895427bd | 6481 | /* push sgls posted to the available list */ |
8a9d2e80 | 6482 | if (!list_empty(&post_sgl_list)) { |
38c20673 | 6483 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6484 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6485 | list_splice_init(&post_sgl_list, sgl_list); | |
6486 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 6487 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
6488 | } else { |
6489 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 6490 | "3161 Failure to post sgl to port.\n"); |
8a9d2e80 JS |
6491 | return -EIO; |
6492 | } | |
895427bd JS |
6493 | |
6494 | /* return the number of XRIs actually posted */ | |
6495 | return total_cnt; | |
8a9d2e80 JS |
6496 | } |
6497 | ||
61bda8f7 JS |
6498 | void |
6499 | lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) | |
6500 | { | |
6501 | uint32_t len; | |
6502 | ||
6503 | len = sizeof(struct lpfc_mbx_set_host_data) - | |
6504 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
6505 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6506 | LPFC_MBOX_OPCODE_SET_HOST_DATA, len, | |
6507 | LPFC_SLI4_MBX_EMBED); | |
6508 | ||
6509 | mbox->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_OS_DRIVER_VERSION; | |
b2fd103b JS |
6510 | mbox->u.mqe.un.set_host_data.param_len = |
6511 | LPFC_HOST_OS_DRIVER_VERSION_SIZE; | |
61bda8f7 JS |
6512 | snprintf(mbox->u.mqe.un.set_host_data.data, |
6513 | LPFC_HOST_OS_DRIVER_VERSION_SIZE, | |
6514 | "Linux %s v"LPFC_DRIVER_VERSION, | |
6515 | (phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC"); | |
6516 | } | |
6517 | ||
a8cf5dfe | 6518 | int |
6c621a22 | 6519 | lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
a8cf5dfe | 6520 | struct lpfc_queue *drq, int count, int idx) |
6c621a22 JS |
6521 | { |
6522 | int rc, i; | |
6523 | struct lpfc_rqe hrqe; | |
6524 | struct lpfc_rqe drqe; | |
6525 | struct lpfc_rqb *rqbp; | |
6526 | struct rqb_dmabuf *rqb_buffer; | |
6527 | LIST_HEAD(rqb_buf_list); | |
6528 | ||
6529 | rqbp = hrq->rqbp; | |
6530 | for (i = 0; i < count; i++) { | |
6531 | /* IF RQ is already full, don't bother */ | |
6532 | if (rqbp->buffer_count + i >= rqbp->entry_count - 1) | |
6533 | break; | |
6534 | rqb_buffer = rqbp->rqb_alloc_buffer(phba); | |
6535 | if (!rqb_buffer) | |
6536 | break; | |
6537 | rqb_buffer->hrq = hrq; | |
6538 | rqb_buffer->drq = drq; | |
a8cf5dfe | 6539 | rqb_buffer->idx = idx; |
6c621a22 JS |
6540 | list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); |
6541 | } | |
6542 | while (!list_empty(&rqb_buf_list)) { | |
6543 | list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, | |
6544 | hbuf.list); | |
6545 | ||
6546 | hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); | |
6547 | hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); | |
6548 | drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); | |
6549 | drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); | |
6550 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); | |
6551 | if (rc < 0) { | |
6552 | rqbp->rqb_free_buffer(phba, rqb_buffer); | |
6553 | } else { | |
6554 | list_add_tail(&rqb_buffer->hbuf.list, | |
6555 | &rqbp->rqb_buffer_list); | |
6556 | rqbp->buffer_count++; | |
6557 | } | |
6558 | } | |
6559 | return 1; | |
6560 | } | |
6561 | ||
da0436e9 | 6562 | /** |
183b8021 | 6563 | * lpfc_sli4_hba_setup - SLI4 device initialization PCI function |
da0436e9 JS |
6564 | * @phba: Pointer to HBA context object. |
6565 | * | |
183b8021 MY |
6566 | * This function is the main SLI4 device initialization PCI function. This |
6567 | * function is called by the HBA initialization code, HBA reset code and | |
da0436e9 JS |
6568 | * HBA error attention handler code. Caller is not required to hold any |
6569 | * locks. | |
6570 | **/ | |
6571 | int | |
6572 | lpfc_sli4_hba_setup(struct lpfc_hba *phba) | |
6573 | { | |
6c621a22 | 6574 | int rc, i, cnt; |
da0436e9 JS |
6575 | LPFC_MBOXQ_t *mboxq; |
6576 | struct lpfc_mqe *mqe; | |
6577 | uint8_t *vpd; | |
6578 | uint32_t vpd_size; | |
6579 | uint32_t ftr_rsp = 0; | |
6580 | struct Scsi_Host *shost = lpfc_shost_from_vport(phba->pport); | |
6581 | struct lpfc_vport *vport = phba->pport; | |
6582 | struct lpfc_dmabuf *mp; | |
2d7dbc4c | 6583 | struct lpfc_rqb *rqbp; |
da0436e9 JS |
6584 | |
6585 | /* Perform a PCI function reset to start from clean */ | |
6586 | rc = lpfc_pci_function_reset(phba); | |
6587 | if (unlikely(rc)) | |
6588 | return -ENODEV; | |
6589 | ||
6590 | /* Check the HBA Host Status Register for readyness */ | |
6591 | rc = lpfc_sli4_post_status_check(phba); | |
6592 | if (unlikely(rc)) | |
6593 | return -ENODEV; | |
6594 | else { | |
6595 | spin_lock_irq(&phba->hbalock); | |
6596 | phba->sli.sli_flag |= LPFC_SLI_ACTIVE; | |
6597 | spin_unlock_irq(&phba->hbalock); | |
6598 | } | |
6599 | ||
6600 | /* | |
6601 | * Allocate a single mailbox container for initializing the | |
6602 | * port. | |
6603 | */ | |
6604 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6605 | if (!mboxq) | |
6606 | return -ENOMEM; | |
6607 | ||
da0436e9 | 6608 | /* Issue READ_REV to collect vpd and FW information. */ |
49198b37 | 6609 | vpd_size = SLI4_PAGE_SIZE; |
da0436e9 JS |
6610 | vpd = kzalloc(vpd_size, GFP_KERNEL); |
6611 | if (!vpd) { | |
6612 | rc = -ENOMEM; | |
6613 | goto out_free_mbox; | |
6614 | } | |
6615 | ||
6616 | rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size); | |
76a95d75 JS |
6617 | if (unlikely(rc)) { |
6618 | kfree(vpd); | |
6619 | goto out_free_mbox; | |
6620 | } | |
572709e2 | 6621 | |
da0436e9 | 6622 | mqe = &mboxq->u.mqe; |
f1126688 | 6623 | phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev); |
b5c53958 | 6624 | if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) { |
76a95d75 | 6625 | phba->hba_flag |= HBA_FCOE_MODE; |
b5c53958 JS |
6626 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
6627 | } else { | |
76a95d75 | 6628 | phba->hba_flag &= ~HBA_FCOE_MODE; |
b5c53958 | 6629 | } |
45ed1190 JS |
6630 | |
6631 | if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) == | |
6632 | LPFC_DCBX_CEE_MODE) | |
6633 | phba->hba_flag |= HBA_FIP_SUPPORT; | |
6634 | else | |
6635 | phba->hba_flag &= ~HBA_FIP_SUPPORT; | |
6636 | ||
4f2e66c6 JS |
6637 | phba->hba_flag &= ~HBA_FCP_IOQ_FLUSH; |
6638 | ||
c31098ce | 6639 | if (phba->sli_rev != LPFC_SLI_REV4) { |
da0436e9 JS |
6640 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6641 | "0376 READ_REV Error. SLI Level %d " | |
6642 | "FCoE enabled %d\n", | |
76a95d75 | 6643 | phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE); |
da0436e9 | 6644 | rc = -EIO; |
76a95d75 JS |
6645 | kfree(vpd); |
6646 | goto out_free_mbox; | |
da0436e9 | 6647 | } |
cd1c8301 | 6648 | |
ff78d8f9 JS |
6649 | /* |
6650 | * Continue initialization with default values even if driver failed | |
6651 | * to read FCoE param config regions, only read parameters if the | |
6652 | * board is FCoE | |
6653 | */ | |
6654 | if (phba->hba_flag & HBA_FCOE_MODE && | |
6655 | lpfc_sli4_read_fcoe_params(phba)) | |
6656 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_INIT, | |
6657 | "2570 Failed to read FCoE parameters\n"); | |
6658 | ||
cd1c8301 JS |
6659 | /* |
6660 | * Retrieve sli4 device physical port name, failure of doing it | |
6661 | * is considered as non-fatal. | |
6662 | */ | |
6663 | rc = lpfc_sli4_retrieve_pport_name(phba); | |
6664 | if (!rc) | |
6665 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
6666 | "3080 Successful retrieving SLI4 device " | |
6667 | "physical port name: %s.\n", phba->Port); | |
6668 | ||
da0436e9 JS |
6669 | /* |
6670 | * Evaluate the read rev and vpd data. Populate the driver | |
6671 | * state with the results. If this routine fails, the failure | |
6672 | * is not fatal as the driver will use generic values. | |
6673 | */ | |
6674 | rc = lpfc_parse_vpd(phba, vpd, vpd_size); | |
6675 | if (unlikely(!rc)) { | |
6676 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6677 | "0377 Error %d parsing vpd. " | |
6678 | "Using defaults.\n", rc); | |
6679 | rc = 0; | |
6680 | } | |
76a95d75 | 6681 | kfree(vpd); |
da0436e9 | 6682 | |
f1126688 JS |
6683 | /* Save information as VPD data */ |
6684 | phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev; | |
6685 | phba->vpd.rev.smRev = mqe->un.read_rev.second_hw_rev; | |
6686 | phba->vpd.rev.endecRev = mqe->un.read_rev.third_hw_rev; | |
6687 | phba->vpd.rev.fcphHigh = bf_get(lpfc_mbx_rd_rev_fcph_high, | |
6688 | &mqe->un.read_rev); | |
6689 | phba->vpd.rev.fcphLow = bf_get(lpfc_mbx_rd_rev_fcph_low, | |
6690 | &mqe->un.read_rev); | |
6691 | phba->vpd.rev.feaLevelHigh = bf_get(lpfc_mbx_rd_rev_ftr_lvl_high, | |
6692 | &mqe->un.read_rev); | |
6693 | phba->vpd.rev.feaLevelLow = bf_get(lpfc_mbx_rd_rev_ftr_lvl_low, | |
6694 | &mqe->un.read_rev); | |
6695 | phba->vpd.rev.sli1FwRev = mqe->un.read_rev.fw_id_rev; | |
6696 | memcpy(phba->vpd.rev.sli1FwName, mqe->un.read_rev.fw_name, 16); | |
6697 | phba->vpd.rev.sli2FwRev = mqe->un.read_rev.ulp_fw_id_rev; | |
6698 | memcpy(phba->vpd.rev.sli2FwName, mqe->un.read_rev.ulp_fw_name, 16); | |
6699 | phba->vpd.rev.opFwRev = mqe->un.read_rev.fw_id_rev; | |
6700 | memcpy(phba->vpd.rev.opFwName, mqe->un.read_rev.fw_name, 16); | |
6701 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
6702 | "(%d):0380 READ_REV Status x%x " | |
6703 | "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n", | |
6704 | mboxq->vport ? mboxq->vport->vpi : 0, | |
6705 | bf_get(lpfc_mqe_status, mqe), | |
6706 | phba->vpd.rev.opFwName, | |
6707 | phba->vpd.rev.fcphHigh, phba->vpd.rev.fcphLow, | |
6708 | phba->vpd.rev.feaLevelHigh, phba->vpd.rev.feaLevelLow); | |
da0436e9 | 6709 | |
572709e2 JS |
6710 | /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ |
6711 | rc = (phba->sli4_hba.max_cfg_param.max_xri >> 3); | |
6712 | if (phba->pport->cfg_lun_queue_depth > rc) { | |
6713 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6714 | "3362 LUN queue depth changed from %d to %d\n", | |
6715 | phba->pport->cfg_lun_queue_depth, rc); | |
6716 | phba->pport->cfg_lun_queue_depth = rc; | |
6717 | } | |
6718 | ||
65791f1f | 6719 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == |
7bdedb34 JS |
6720 | LPFC_SLI_INTF_IF_TYPE_0) { |
6721 | lpfc_set_features(phba, mboxq, LPFC_SET_UE_RECOVERY); | |
6722 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6723 | if (rc == MBX_SUCCESS) { | |
6724 | phba->hba_flag |= HBA_RECOVERABLE_UE; | |
6725 | /* Set 1Sec interval to detect UE */ | |
6726 | phba->eratt_poll_interval = 1; | |
6727 | phba->sli4_hba.ue_to_sr = bf_get( | |
6728 | lpfc_mbx_set_feature_UESR, | |
6729 | &mboxq->u.mqe.un.set_feature); | |
6730 | phba->sli4_hba.ue_to_rp = bf_get( | |
6731 | lpfc_mbx_set_feature_UERP, | |
6732 | &mboxq->u.mqe.un.set_feature); | |
6733 | } | |
6734 | } | |
6735 | ||
6736 | if (phba->cfg_enable_mds_diags && phba->mds_diags_support) { | |
6737 | /* Enable MDS Diagnostics only if the SLI Port supports it */ | |
6738 | lpfc_set_features(phba, mboxq, LPFC_SET_MDS_DIAGS); | |
6739 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6740 | if (rc != MBX_SUCCESS) | |
6741 | phba->mds_diags_support = 0; | |
6742 | } | |
572709e2 | 6743 | |
da0436e9 JS |
6744 | /* |
6745 | * Discover the port's supported feature set and match it against the | |
6746 | * hosts requests. | |
6747 | */ | |
6748 | lpfc_request_features(phba, mboxq); | |
6749 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6750 | if (unlikely(rc)) { | |
6751 | rc = -EIO; | |
76a95d75 | 6752 | goto out_free_mbox; |
da0436e9 JS |
6753 | } |
6754 | ||
6755 | /* | |
6756 | * The port must support FCP initiator mode as this is the | |
6757 | * only mode running in the host. | |
6758 | */ | |
6759 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi, &mqe->un.req_ftrs))) { | |
6760 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6761 | "0378 No support for fcpi mode.\n"); | |
6762 | ftr_rsp++; | |
6763 | } | |
fedd3b7b JS |
6764 | if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh, &mqe->un.req_ftrs)) |
6765 | phba->sli3_options |= LPFC_SLI4_PERFH_ENABLED; | |
6766 | else | |
6767 | phba->sli3_options &= ~LPFC_SLI4_PERFH_ENABLED; | |
da0436e9 JS |
6768 | /* |
6769 | * If the port cannot support the host's requested features | |
6770 | * then turn off the global config parameters to disable the | |
6771 | * feature in the driver. This is not a fatal error. | |
6772 | */ | |
bf08611b JS |
6773 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; |
6774 | if (phba->cfg_enable_bg) { | |
6775 | if (bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs)) | |
6776 | phba->sli3_options |= LPFC_SLI3_BG_ENABLED; | |
6777 | else | |
6778 | ftr_rsp++; | |
6779 | } | |
da0436e9 JS |
6780 | |
6781 | if (phba->max_vpi && phba->cfg_enable_npiv && | |
6782 | !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
6783 | ftr_rsp++; | |
6784 | ||
6785 | if (ftr_rsp) { | |
6786 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6787 | "0379 Feature Mismatch Data: x%08x %08x " | |
6788 | "x%x x%x x%x\n", mqe->un.req_ftrs.word2, | |
6789 | mqe->un.req_ftrs.word3, phba->cfg_enable_bg, | |
6790 | phba->cfg_enable_npiv, phba->max_vpi); | |
6791 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) | |
6792 | phba->cfg_enable_bg = 0; | |
6793 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
6794 | phba->cfg_enable_npiv = 0; | |
6795 | } | |
6796 | ||
6797 | /* These SLI3 features are assumed in SLI4 */ | |
6798 | spin_lock_irq(&phba->hbalock); | |
6799 | phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED); | |
6800 | spin_unlock_irq(&phba->hbalock); | |
6801 | ||
6d368e53 JS |
6802 | /* |
6803 | * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent | |
6804 | * calls depends on these resources to complete port setup. | |
6805 | */ | |
6806 | rc = lpfc_sli4_alloc_resource_identifiers(phba); | |
6807 | if (rc) { | |
6808 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6809 | "2920 Failed to alloc Resource IDs " | |
6810 | "rc = x%x\n", rc); | |
6811 | goto out_free_mbox; | |
6812 | } | |
6813 | ||
61bda8f7 JS |
6814 | lpfc_set_host_data(phba, mboxq); |
6815 | ||
6816 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6817 | if (rc) { | |
6818 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6819 | "2134 Failed to set host os driver version %x", | |
6820 | rc); | |
6821 | } | |
6822 | ||
da0436e9 | 6823 | /* Read the port's service parameters. */ |
9f1177a3 JS |
6824 | rc = lpfc_read_sparam(phba, mboxq, vport->vpi); |
6825 | if (rc) { | |
6826 | phba->link_state = LPFC_HBA_ERROR; | |
6827 | rc = -ENOMEM; | |
76a95d75 | 6828 | goto out_free_mbox; |
9f1177a3 JS |
6829 | } |
6830 | ||
da0436e9 JS |
6831 | mboxq->vport = vport; |
6832 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6833 | mp = (struct lpfc_dmabuf *) mboxq->context1; | |
6834 | if (rc == MBX_SUCCESS) { | |
6835 | memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm)); | |
6836 | rc = 0; | |
6837 | } | |
6838 | ||
6839 | /* | |
6840 | * This memory was allocated by the lpfc_read_sparam routine. Release | |
6841 | * it to the mbuf pool. | |
6842 | */ | |
6843 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
6844 | kfree(mp); | |
6845 | mboxq->context1 = NULL; | |
6846 | if (unlikely(rc)) { | |
6847 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6848 | "0382 READ_SPARAM command failed " | |
6849 | "status %d, mbxStatus x%x\n", | |
6850 | rc, bf_get(lpfc_mqe_status, mqe)); | |
6851 | phba->link_state = LPFC_HBA_ERROR; | |
6852 | rc = -EIO; | |
76a95d75 | 6853 | goto out_free_mbox; |
da0436e9 JS |
6854 | } |
6855 | ||
0558056c | 6856 | lpfc_update_vport_wwn(vport); |
da0436e9 JS |
6857 | |
6858 | /* Update the fc_host data structures with new wwn. */ | |
6859 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
6860 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
6861 | ||
895427bd JS |
6862 | /* Create all the SLI4 queues */ |
6863 | rc = lpfc_sli4_queue_create(phba); | |
6864 | if (rc) { | |
6865 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6866 | "3089 Failed to allocate queues\n"); | |
6867 | rc = -ENODEV; | |
6868 | goto out_free_mbox; | |
6869 | } | |
6870 | /* Set up all the queues to the device */ | |
6871 | rc = lpfc_sli4_queue_setup(phba); | |
6872 | if (unlikely(rc)) { | |
6873 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6874 | "0381 Error %d during queue setup.\n ", rc); | |
6875 | goto out_stop_timers; | |
6876 | } | |
6877 | /* Initialize the driver internal SLI layer lists. */ | |
6878 | lpfc_sli4_setup(phba); | |
6879 | lpfc_sli4_queue_init(phba); | |
6880 | ||
6881 | /* update host els xri-sgl sizes and mappings */ | |
6882 | rc = lpfc_sli4_els_sgl_update(phba); | |
8a9d2e80 JS |
6883 | if (unlikely(rc)) { |
6884 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6885 | "1400 Failed to update xri-sgl size and " | |
6886 | "mapping: %d\n", rc); | |
895427bd | 6887 | goto out_destroy_queue; |
da0436e9 JS |
6888 | } |
6889 | ||
8a9d2e80 | 6890 | /* register the els sgl pool to the port */ |
895427bd JS |
6891 | rc = lpfc_sli4_repost_sgl_list(phba, &phba->sli4_hba.lpfc_els_sgl_list, |
6892 | phba->sli4_hba.els_xri_cnt); | |
6893 | if (unlikely(rc < 0)) { | |
8a9d2e80 JS |
6894 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6895 | "0582 Error %d during els sgl post " | |
6896 | "operation\n", rc); | |
6897 | rc = -ENODEV; | |
895427bd | 6898 | goto out_destroy_queue; |
8a9d2e80 | 6899 | } |
895427bd | 6900 | phba->sli4_hba.els_xri_cnt = rc; |
8a9d2e80 | 6901 | |
f358dd0c JS |
6902 | if (phba->nvmet_support) { |
6903 | /* update host nvmet xri-sgl sizes and mappings */ | |
6904 | rc = lpfc_sli4_nvmet_sgl_update(phba); | |
6905 | if (unlikely(rc)) { | |
6906 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6907 | "6308 Failed to update nvmet-sgl size " | |
6908 | "and mapping: %d\n", rc); | |
6909 | goto out_destroy_queue; | |
6910 | } | |
6911 | ||
6912 | /* register the nvmet sgl pool to the port */ | |
6913 | rc = lpfc_sli4_repost_sgl_list( | |
6914 | phba, | |
6915 | &phba->sli4_hba.lpfc_nvmet_sgl_list, | |
6916 | phba->sli4_hba.nvmet_xri_cnt); | |
6917 | if (unlikely(rc < 0)) { | |
6918 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6919 | "3117 Error %d during nvmet " | |
6920 | "sgl post\n", rc); | |
6921 | rc = -ENODEV; | |
6922 | goto out_destroy_queue; | |
6923 | } | |
6924 | phba->sli4_hba.nvmet_xri_cnt = rc; | |
6c621a22 JS |
6925 | |
6926 | cnt = phba->cfg_iocb_cnt * 1024; | |
6927 | /* We need 1 iocbq for every SGL, for IO processing */ | |
6928 | cnt += phba->sli4_hba.nvmet_xri_cnt; | |
6929 | /* Initialize and populate the iocb list per host */ | |
6930 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6931 | "2821 initialize iocb list %d total %d\n", | |
6932 | phba->cfg_iocb_cnt, cnt); | |
6933 | rc = lpfc_init_iocb_list(phba, cnt); | |
6934 | if (rc) { | |
6935 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6936 | "1413 Failed to init iocb list.\n"); | |
6937 | goto out_destroy_queue; | |
6938 | } | |
6939 | ||
d613b6a7 | 6940 | lpfc_nvmet_create_targetport(phba); |
f358dd0c | 6941 | } else { |
895427bd JS |
6942 | /* update host scsi xri-sgl sizes and mappings */ |
6943 | rc = lpfc_sli4_scsi_sgl_update(phba); | |
6944 | if (unlikely(rc)) { | |
6945 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6946 | "6309 Failed to update scsi-sgl size " | |
6947 | "and mapping: %d\n", rc); | |
6948 | goto out_destroy_queue; | |
6949 | } | |
6950 | ||
6951 | /* update host nvme xri-sgl sizes and mappings */ | |
6952 | rc = lpfc_sli4_nvme_sgl_update(phba); | |
6953 | if (unlikely(rc)) { | |
6954 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6955 | "6082 Failed to update nvme-sgl size " | |
6956 | "and mapping: %d\n", rc); | |
6957 | goto out_destroy_queue; | |
6958 | } | |
6c621a22 JS |
6959 | |
6960 | cnt = phba->cfg_iocb_cnt * 1024; | |
6961 | /* Initialize and populate the iocb list per host */ | |
6962 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
6963 | "2820 initialize iocb list %d total %d\n", | |
6964 | phba->cfg_iocb_cnt, cnt); | |
6965 | rc = lpfc_init_iocb_list(phba, cnt); | |
6966 | if (rc) { | |
6967 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6968 | "6301 Failed to init iocb list.\n"); | |
6969 | goto out_destroy_queue; | |
6970 | } | |
895427bd JS |
6971 | } |
6972 | ||
2d7dbc4c | 6973 | if (phba->nvmet_support && phba->cfg_nvmet_mrq) { |
2d7dbc4c JS |
6974 | /* Post initial buffers to all RQs created */ |
6975 | for (i = 0; i < phba->cfg_nvmet_mrq; i++) { | |
6976 | rqbp = phba->sli4_hba.nvmet_mrq_hdr[i]->rqbp; | |
6977 | INIT_LIST_HEAD(&rqbp->rqb_buffer_list); | |
6978 | rqbp->rqb_alloc_buffer = lpfc_sli4_nvmet_alloc; | |
6979 | rqbp->rqb_free_buffer = lpfc_sli4_nvmet_free; | |
61f3d4bf | 6980 | rqbp->entry_count = LPFC_NVMET_RQE_DEF_COUNT; |
2d7dbc4c JS |
6981 | rqbp->buffer_count = 0; |
6982 | ||
2d7dbc4c JS |
6983 | lpfc_post_rq_buffer( |
6984 | phba, phba->sli4_hba.nvmet_mrq_hdr[i], | |
6985 | phba->sli4_hba.nvmet_mrq_data[i], | |
a8cf5dfe | 6986 | LPFC_NVMET_RQE_DEF_COUNT, i); |
2d7dbc4c JS |
6987 | } |
6988 | } | |
6989 | ||
895427bd JS |
6990 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
6991 | /* register the allocated scsi sgl pool to the port */ | |
6992 | rc = lpfc_sli4_repost_scsi_sgl_list(phba); | |
6993 | if (unlikely(rc)) { | |
6994 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6995 | "0383 Error %d during scsi sgl post " | |
6996 | "operation\n", rc); | |
6997 | /* Some Scsi buffers were moved to abort scsi list */ | |
6998 | /* A pci function reset will repost them */ | |
6999 | rc = -ENODEV; | |
7000 | goto out_destroy_queue; | |
7001 | } | |
da0436e9 JS |
7002 | } |
7003 | ||
01649561 JS |
7004 | if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && |
7005 | (phba->nvmet_support == 0)) { | |
7006 | ||
7007 | /* register the allocated nvme sgl pool to the port */ | |
7008 | rc = lpfc_repost_nvme_sgl_list(phba); | |
7009 | if (unlikely(rc)) { | |
7010 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7011 | "6116 Error %d during nvme sgl post " | |
7012 | "operation\n", rc); | |
7013 | /* Some NVME buffers were moved to abort nvme list */ | |
7014 | /* A pci function reset will repost them */ | |
7015 | rc = -ENODEV; | |
7016 | goto out_destroy_queue; | |
7017 | } | |
da0436e9 JS |
7018 | } |
7019 | ||
7020 | /* Post the rpi header region to the device. */ | |
7021 | rc = lpfc_sli4_post_all_rpi_hdrs(phba); | |
7022 | if (unlikely(rc)) { | |
7023 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7024 | "0393 Error %d during rpi post operation\n", | |
7025 | rc); | |
7026 | rc = -ENODEV; | |
895427bd | 7027 | goto out_destroy_queue; |
da0436e9 | 7028 | } |
97f2ecf1 | 7029 | lpfc_sli4_node_prep(phba); |
da0436e9 | 7030 | |
895427bd | 7031 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
2d7dbc4c | 7032 | if ((phba->nvmet_support == 0) || (phba->cfg_nvmet_mrq == 1)) { |
895427bd JS |
7033 | /* |
7034 | * The FC Port needs to register FCFI (index 0) | |
7035 | */ | |
7036 | lpfc_reg_fcfi(phba, mboxq); | |
7037 | mboxq->vport = phba->pport; | |
7038 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7039 | if (rc != MBX_SUCCESS) | |
7040 | goto out_unset_queue; | |
7041 | rc = 0; | |
7042 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, | |
7043 | &mboxq->u.mqe.un.reg_fcfi); | |
2d7dbc4c JS |
7044 | } else { |
7045 | /* We are a NVME Target mode with MRQ > 1 */ | |
7046 | ||
7047 | /* First register the FCFI */ | |
7048 | lpfc_reg_fcfi_mrq(phba, mboxq, 0); | |
7049 | mboxq->vport = phba->pport; | |
7050 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7051 | if (rc != MBX_SUCCESS) | |
7052 | goto out_unset_queue; | |
7053 | rc = 0; | |
7054 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_mrq_fcfi, | |
7055 | &mboxq->u.mqe.un.reg_fcfi_mrq); | |
7056 | ||
7057 | /* Next register the MRQs */ | |
7058 | lpfc_reg_fcfi_mrq(phba, mboxq, 1); | |
7059 | mboxq->vport = phba->pport; | |
7060 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7061 | if (rc != MBX_SUCCESS) | |
7062 | goto out_unset_queue; | |
7063 | rc = 0; | |
895427bd JS |
7064 | } |
7065 | /* Check if the port is configured to be disabled */ | |
7066 | lpfc_sli_read_link_ste(phba); | |
da0436e9 JS |
7067 | } |
7068 | ||
7069 | /* Arm the CQs and then EQs on device */ | |
7070 | lpfc_sli4_arm_cqeq_intr(phba); | |
7071 | ||
7072 | /* Indicate device interrupt mode */ | |
7073 | phba->sli4_hba.intr_enable = 1; | |
7074 | ||
7075 | /* Allow asynchronous mailbox command to go through */ | |
7076 | spin_lock_irq(&phba->hbalock); | |
7077 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7078 | spin_unlock_irq(&phba->hbalock); | |
7079 | ||
7080 | /* Post receive buffers to the device */ | |
7081 | lpfc_sli4_rb_setup(phba); | |
7082 | ||
fc2b989b JS |
7083 | /* Reset HBA FCF states after HBA reset */ |
7084 | phba->fcf.fcf_flag = 0; | |
7085 | phba->fcf.current_rec.flag = 0; | |
7086 | ||
da0436e9 | 7087 | /* Start the ELS watchdog timer */ |
8fa38513 | 7088 | mod_timer(&vport->els_tmofunc, |
256ec0d0 | 7089 | jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov * 2))); |
da0436e9 JS |
7090 | |
7091 | /* Start heart beat timer */ | |
7092 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 | 7093 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); |
da0436e9 JS |
7094 | phba->hb_outstanding = 0; |
7095 | phba->last_completion_time = jiffies; | |
7096 | ||
7097 | /* Start error attention (ERATT) polling timer */ | |
256ec0d0 | 7098 | mod_timer(&phba->eratt_poll, |
65791f1f | 7099 | jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
da0436e9 | 7100 | |
75baf696 JS |
7101 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
7102 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
7103 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
7104 | if (!rc) { | |
7105 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7106 | "2829 This device supports " | |
7107 | "Advanced Error Reporting (AER)\n"); | |
7108 | spin_lock_irq(&phba->hbalock); | |
7109 | phba->hba_flag |= HBA_AER_ENABLED; | |
7110 | spin_unlock_irq(&phba->hbalock); | |
7111 | } else { | |
7112 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7113 | "2830 This device does not support " | |
7114 | "Advanced Error Reporting (AER)\n"); | |
7115 | phba->cfg_aer_support = 0; | |
7116 | } | |
0a96e975 | 7117 | rc = 0; |
75baf696 JS |
7118 | } |
7119 | ||
da0436e9 JS |
7120 | /* |
7121 | * The port is ready, set the host's link state to LINK_DOWN | |
7122 | * in preparation for link interrupts. | |
7123 | */ | |
da0436e9 JS |
7124 | spin_lock_irq(&phba->hbalock); |
7125 | phba->link_state = LPFC_LINK_DOWN; | |
7126 | spin_unlock_irq(&phba->hbalock); | |
026abb87 JS |
7127 | if (!(phba->hba_flag & HBA_FCOE_MODE) && |
7128 | (phba->hba_flag & LINK_DISABLED)) { | |
7129 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7130 | "3103 Adapter Link is disabled.\n"); | |
7131 | lpfc_down_link(phba, mboxq); | |
7132 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7133 | if (rc != MBX_SUCCESS) { | |
7134 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7135 | "3104 Adapter failed to issue " | |
7136 | "DOWN_LINK mbox cmd, rc:x%x\n", rc); | |
7137 | goto out_unset_queue; | |
7138 | } | |
7139 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { | |
1b51197d JS |
7140 | /* don't perform init_link on SLI4 FC port loopback test */ |
7141 | if (!(phba->link_flag & LS_LOOPBACK_MODE)) { | |
7142 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
7143 | if (rc) | |
7144 | goto out_unset_queue; | |
7145 | } | |
5350d872 JS |
7146 | } |
7147 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7148 | return rc; | |
76a95d75 | 7149 | out_unset_queue: |
da0436e9 | 7150 | /* Unset all the queues set up in this routine when error out */ |
5350d872 JS |
7151 | lpfc_sli4_queue_unset(phba); |
7152 | out_destroy_queue: | |
6c621a22 | 7153 | lpfc_free_iocb_list(phba); |
5350d872 | 7154 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 7155 | out_stop_timers: |
5350d872 | 7156 | lpfc_stop_hba_timers(phba); |
da0436e9 JS |
7157 | out_free_mbox: |
7158 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7159 | return rc; | |
7160 | } | |
7161 | ||
7162 | /** | |
7163 | * lpfc_mbox_timeout - Timeout call back function for mbox timer | |
7164 | * @ptr: context object - pointer to hba structure. | |
7165 | * | |
7166 | * This is the callback function for mailbox timer. The mailbox | |
7167 | * timer is armed when a new mailbox command is issued and the timer | |
7168 | * is deleted when the mailbox complete. The function is called by | |
7169 | * the kernel timer code when a mailbox does not complete within | |
7170 | * expected time. This function wakes up the worker thread to | |
7171 | * process the mailbox timeout and returns. All the processing is | |
7172 | * done by the worker thread function lpfc_mbox_timeout_handler. | |
7173 | **/ | |
7174 | void | |
7175 | lpfc_mbox_timeout(unsigned long ptr) | |
7176 | { | |
7177 | struct lpfc_hba *phba = (struct lpfc_hba *) ptr; | |
7178 | unsigned long iflag; | |
7179 | uint32_t tmo_posted; | |
7180 | ||
7181 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
7182 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; | |
7183 | if (!tmo_posted) | |
7184 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
7185 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
7186 | ||
7187 | if (!tmo_posted) | |
7188 | lpfc_worker_wake_up(phba); | |
7189 | return; | |
7190 | } | |
7191 | ||
e8d3c3b1 JS |
7192 | /** |
7193 | * lpfc_sli4_mbox_completions_pending - check to see if any mailbox completions | |
7194 | * are pending | |
7195 | * @phba: Pointer to HBA context object. | |
7196 | * | |
7197 | * This function checks if any mailbox completions are present on the mailbox | |
7198 | * completion queue. | |
7199 | **/ | |
3bb11fc5 | 7200 | static bool |
e8d3c3b1 JS |
7201 | lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba) |
7202 | { | |
7203 | ||
7204 | uint32_t idx; | |
7205 | struct lpfc_queue *mcq; | |
7206 | struct lpfc_mcqe *mcqe; | |
7207 | bool pending_completions = false; | |
7208 | ||
7209 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7210 | return false; | |
7211 | ||
7212 | /* Check for completions on mailbox completion queue */ | |
7213 | ||
7214 | mcq = phba->sli4_hba.mbx_cq; | |
7215 | idx = mcq->hba_index; | |
7216 | while (bf_get_le32(lpfc_cqe_valid, mcq->qe[idx].cqe)) { | |
7217 | mcqe = (struct lpfc_mcqe *)mcq->qe[idx].cqe; | |
7218 | if (bf_get_le32(lpfc_trailer_completed, mcqe) && | |
7219 | (!bf_get_le32(lpfc_trailer_async, mcqe))) { | |
7220 | pending_completions = true; | |
7221 | break; | |
7222 | } | |
7223 | idx = (idx + 1) % mcq->entry_count; | |
7224 | if (mcq->hba_index == idx) | |
7225 | break; | |
7226 | } | |
7227 | return pending_completions; | |
7228 | ||
7229 | } | |
7230 | ||
7231 | /** | |
7232 | * lpfc_sli4_process_missed_mbox_completions - process mbox completions | |
7233 | * that were missed. | |
7234 | * @phba: Pointer to HBA context object. | |
7235 | * | |
7236 | * For sli4, it is possible to miss an interrupt. As such mbox completions | |
7237 | * maybe missed causing erroneous mailbox timeouts to occur. This function | |
7238 | * checks to see if mbox completions are on the mailbox completion queue | |
7239 | * and will process all the completions associated with the eq for the | |
7240 | * mailbox completion queue. | |
7241 | **/ | |
7242 | bool | |
7243 | lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba) | |
7244 | { | |
7245 | ||
7246 | uint32_t eqidx; | |
7247 | struct lpfc_queue *fpeq = NULL; | |
7248 | struct lpfc_eqe *eqe; | |
7249 | bool mbox_pending; | |
7250 | ||
7251 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7252 | return false; | |
7253 | ||
7254 | /* Find the eq associated with the mcq */ | |
7255 | ||
7256 | if (phba->sli4_hba.hba_eq) | |
895427bd | 7257 | for (eqidx = 0; eqidx < phba->io_channel_irqs; eqidx++) |
e8d3c3b1 JS |
7258 | if (phba->sli4_hba.hba_eq[eqidx]->queue_id == |
7259 | phba->sli4_hba.mbx_cq->assoc_qid) { | |
7260 | fpeq = phba->sli4_hba.hba_eq[eqidx]; | |
7261 | break; | |
7262 | } | |
7263 | if (!fpeq) | |
7264 | return false; | |
7265 | ||
7266 | /* Turn off interrupts from this EQ */ | |
7267 | ||
7268 | lpfc_sli4_eq_clr_intr(fpeq); | |
7269 | ||
7270 | /* Check to see if a mbox completion is pending */ | |
7271 | ||
7272 | mbox_pending = lpfc_sli4_mbox_completions_pending(phba); | |
7273 | ||
7274 | /* | |
7275 | * If a mbox completion is pending, process all the events on EQ | |
7276 | * associated with the mbox completion queue (this could include | |
7277 | * mailbox commands, async events, els commands, receive queue data | |
7278 | * and fcp commands) | |
7279 | */ | |
7280 | ||
7281 | if (mbox_pending) | |
7282 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
7283 | lpfc_sli4_hba_handle_eqe(phba, eqe, eqidx); | |
7284 | fpeq->EQ_processed++; | |
7285 | } | |
7286 | ||
7287 | /* Always clear and re-arm the EQ */ | |
7288 | ||
7289 | lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_REARM); | |
7290 | ||
7291 | return mbox_pending; | |
7292 | ||
7293 | } | |
da0436e9 JS |
7294 | |
7295 | /** | |
7296 | * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout | |
7297 | * @phba: Pointer to HBA context object. | |
7298 | * | |
7299 | * This function is called from worker thread when a mailbox command times out. | |
7300 | * The caller is not required to hold any locks. This function will reset the | |
7301 | * HBA and recover all the pending commands. | |
7302 | **/ | |
7303 | void | |
7304 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
7305 | { | |
7306 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; | |
eb016566 JS |
7307 | MAILBOX_t *mb = NULL; |
7308 | ||
da0436e9 | 7309 | struct lpfc_sli *psli = &phba->sli; |
da0436e9 | 7310 | |
e8d3c3b1 JS |
7311 | /* If the mailbox completed, process the completion and return */ |
7312 | if (lpfc_sli4_process_missed_mbox_completions(phba)) | |
7313 | return; | |
7314 | ||
eb016566 JS |
7315 | if (pmbox != NULL) |
7316 | mb = &pmbox->u.mb; | |
da0436e9 JS |
7317 | /* Check the pmbox pointer first. There is a race condition |
7318 | * between the mbox timeout handler getting executed in the | |
7319 | * worklist and the mailbox actually completing. When this | |
7320 | * race condition occurs, the mbox_active will be NULL. | |
7321 | */ | |
7322 | spin_lock_irq(&phba->hbalock); | |
7323 | if (pmbox == NULL) { | |
7324 | lpfc_printf_log(phba, KERN_WARNING, | |
7325 | LOG_MBOX | LOG_SLI, | |
7326 | "0353 Active Mailbox cleared - mailbox timeout " | |
7327 | "exiting\n"); | |
7328 | spin_unlock_irq(&phba->hbalock); | |
7329 | return; | |
7330 | } | |
7331 | ||
7332 | /* Mbox cmd <mbxCommand> timeout */ | |
7333 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7334 | "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", | |
7335 | mb->mbxCommand, | |
7336 | phba->pport->port_state, | |
7337 | phba->sli.sli_flag, | |
7338 | phba->sli.mbox_active); | |
7339 | spin_unlock_irq(&phba->hbalock); | |
7340 | ||
7341 | /* Setting state unknown so lpfc_sli_abort_iocb_ring | |
7342 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
25985edc | 7343 | * it to fail all outstanding SCSI IO. |
da0436e9 JS |
7344 | */ |
7345 | spin_lock_irq(&phba->pport->work_port_lock); | |
7346 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
7347 | spin_unlock_irq(&phba->pport->work_port_lock); | |
7348 | spin_lock_irq(&phba->hbalock); | |
7349 | phba->link_state = LPFC_LINK_UNKNOWN; | |
f4b4c68f | 7350 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
da0436e9 JS |
7351 | spin_unlock_irq(&phba->hbalock); |
7352 | ||
db55fba8 | 7353 | lpfc_sli_abort_fcp_rings(phba); |
da0436e9 JS |
7354 | |
7355 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7356 | "0345 Resetting board due to mailbox timeout\n"); | |
7357 | ||
7358 | /* Reset the HBA device */ | |
7359 | lpfc_reset_hba(phba); | |
7360 | } | |
7361 | ||
7362 | /** | |
7363 | * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware | |
7364 | * @phba: Pointer to HBA context object. | |
7365 | * @pmbox: Pointer to mailbox object. | |
7366 | * @flag: Flag indicating how the mailbox need to be processed. | |
7367 | * | |
7368 | * This function is called by discovery code and HBA management code | |
7369 | * to submit a mailbox command to firmware with SLI-3 interface spec. This | |
7370 | * function gets the hbalock to protect the data structures. | |
7371 | * The mailbox command can be submitted in polling mode, in which case | |
7372 | * this function will wait in a polling loop for the completion of the | |
7373 | * mailbox. | |
7374 | * If the mailbox is submitted in no_wait mode (not polling) the | |
7375 | * function will submit the command and returns immediately without waiting | |
7376 | * for the mailbox completion. The no_wait is supported only when HBA | |
7377 | * is in SLI2/SLI3 mode - interrupts are enabled. | |
7378 | * The SLI interface allows only one mailbox pending at a time. If the | |
7379 | * mailbox is issued in polling mode and there is already a mailbox | |
7380 | * pending, then the function will return an error. If the mailbox is issued | |
7381 | * in NO_WAIT mode and there is a mailbox pending already, the function | |
7382 | * will return MBX_BUSY after queuing the mailbox into mailbox queue. | |
7383 | * The sli layer owns the mailbox object until the completion of mailbox | |
7384 | * command if this function return MBX_BUSY or MBX_SUCCESS. For all other | |
7385 | * return codes the caller owns the mailbox command after the return of | |
7386 | * the function. | |
e59058c4 | 7387 | **/ |
3772a991 JS |
7388 | static int |
7389 | lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, | |
7390 | uint32_t flag) | |
dea3101e | 7391 | { |
bf07bdea | 7392 | MAILBOX_t *mbx; |
2e0fef85 | 7393 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 7394 | uint32_t status, evtctr; |
9940b97b | 7395 | uint32_t ha_copy, hc_copy; |
dea3101e | 7396 | int i; |
09372820 | 7397 | unsigned long timeout; |
dea3101e | 7398 | unsigned long drvr_flag = 0; |
34b02dcd | 7399 | uint32_t word0, ldata; |
dea3101e | 7400 | void __iomem *to_slim; |
58da1ffb JS |
7401 | int processing_queue = 0; |
7402 | ||
7403 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
7404 | if (!pmbox) { | |
8568a4d2 | 7405 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
58da1ffb | 7406 | /* processing mbox queue from intr_handler */ |
3772a991 JS |
7407 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { |
7408 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7409 | return MBX_SUCCESS; | |
7410 | } | |
58da1ffb | 7411 | processing_queue = 1; |
58da1ffb JS |
7412 | pmbox = lpfc_mbox_get(phba); |
7413 | if (!pmbox) { | |
7414 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7415 | return MBX_SUCCESS; | |
7416 | } | |
7417 | } | |
dea3101e | 7418 | |
ed957684 | 7419 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 7420 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 | 7421 | if(!pmbox->vport) { |
58da1ffb | 7422 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
ed957684 | 7423 | lpfc_printf_log(phba, KERN_ERR, |
92d7f7b0 | 7424 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 7425 | "1806 Mbox x%x failed. No vport\n", |
3772a991 | 7426 | pmbox->u.mb.mbxCommand); |
ed957684 | 7427 | dump_stack(); |
58da1ffb | 7428 | goto out_not_finished; |
ed957684 JS |
7429 | } |
7430 | } | |
7431 | ||
8d63f375 | 7432 | /* If the PCI channel is in offline state, do not post mbox. */ |
58da1ffb JS |
7433 | if (unlikely(pci_channel_offline(phba->pcidev))) { |
7434 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7435 | goto out_not_finished; | |
7436 | } | |
8d63f375 | 7437 | |
a257bf90 JS |
7438 | /* If HBA has a deferred error attention, fail the iocb. */ |
7439 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
7440 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7441 | goto out_not_finished; | |
7442 | } | |
7443 | ||
dea3101e | 7444 | psli = &phba->sli; |
92d7f7b0 | 7445 | |
bf07bdea | 7446 | mbx = &pmbox->u.mb; |
dea3101e JB |
7447 | status = MBX_SUCCESS; |
7448 | ||
2e0fef85 JS |
7449 | if (phba->link_state == LPFC_HBA_ERROR) { |
7450 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
7451 | |
7452 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
7453 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7454 | "(%d):0311 Mailbox command x%x cannot " | |
7455 | "issue Data: x%x x%x\n", | |
7456 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7457 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
58da1ffb | 7458 | goto out_not_finished; |
41415862 JW |
7459 | } |
7460 | ||
bf07bdea | 7461 | if (mbx->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT) { |
9940b97b JS |
7462 | if (lpfc_readl(phba->HCregaddr, &hc_copy) || |
7463 | !(hc_copy & HC_MBINT_ENA)) { | |
7464 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7465 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
3772a991 JS |
7466 | "(%d):2528 Mailbox command x%x cannot " |
7467 | "issue Data: x%x x%x\n", | |
7468 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7469 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
9940b97b JS |
7470 | goto out_not_finished; |
7471 | } | |
9290831f JS |
7472 | } |
7473 | ||
dea3101e JB |
7474 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
7475 | /* Polling for a mbox command when another one is already active | |
7476 | * is not allowed in SLI. Also, the driver must have established | |
7477 | * SLI2 mode to queue and process multiple mbox commands. | |
7478 | */ | |
7479 | ||
7480 | if (flag & MBX_POLL) { | |
2e0fef85 | 7481 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
7482 | |
7483 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
7484 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7485 | "(%d):2529 Mailbox command x%x " | |
7486 | "cannot issue Data: x%x x%x\n", | |
7487 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7488 | pmbox->u.mb.mbxCommand, | |
7489 | psli->sli_flag, flag); | |
58da1ffb | 7490 | goto out_not_finished; |
dea3101e JB |
7491 | } |
7492 | ||
3772a991 | 7493 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE)) { |
2e0fef85 | 7494 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 7495 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
7496 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7497 | "(%d):2530 Mailbox command x%x " | |
7498 | "cannot issue Data: x%x x%x\n", | |
7499 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7500 | pmbox->u.mb.mbxCommand, | |
7501 | psli->sli_flag, flag); | |
58da1ffb | 7502 | goto out_not_finished; |
dea3101e JB |
7503 | } |
7504 | ||
dea3101e JB |
7505 | /* Another mailbox command is still being processed, queue this |
7506 | * command to be processed later. | |
7507 | */ | |
7508 | lpfc_mbox_put(phba, pmbox); | |
7509 | ||
7510 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 7511 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 7512 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 7513 | "x%x x%x x%x x%x\n", |
92d7f7b0 | 7514 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
bf07bdea | 7515 | mbx->mbxCommand, phba->pport->port_state, |
92d7f7b0 | 7516 | psli->sli_flag, flag); |
dea3101e JB |
7517 | |
7518 | psli->slistat.mbox_busy++; | |
2e0fef85 | 7519 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 7520 | |
858c9f6c JS |
7521 | if (pmbox->vport) { |
7522 | lpfc_debugfs_disc_trc(pmbox->vport, | |
7523 | LPFC_DISC_TRC_MBOX_VPORT, | |
7524 | "MBOX Bsy vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
7525 | (uint32_t)mbx->mbxCommand, |
7526 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
7527 | } |
7528 | else { | |
7529 | lpfc_debugfs_disc_trc(phba->pport, | |
7530 | LPFC_DISC_TRC_MBOX, | |
7531 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
7532 | (uint32_t)mbx->mbxCommand, |
7533 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
7534 | } |
7535 | ||
2e0fef85 | 7536 | return MBX_BUSY; |
dea3101e JB |
7537 | } |
7538 | ||
dea3101e JB |
7539 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
7540 | ||
7541 | /* If we are not polling, we MUST be in SLI2 mode */ | |
7542 | if (flag != MBX_POLL) { | |
3772a991 | 7543 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE) && |
bf07bdea | 7544 | (mbx->mbxCommand != MBX_KILL_BOARD)) { |
dea3101e | 7545 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 7546 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 7547 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
7548 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7549 | "(%d):2531 Mailbox command x%x " | |
7550 | "cannot issue Data: x%x x%x\n", | |
7551 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7552 | pmbox->u.mb.mbxCommand, | |
7553 | psli->sli_flag, flag); | |
58da1ffb | 7554 | goto out_not_finished; |
dea3101e JB |
7555 | } |
7556 | /* timeout active mbox command */ | |
256ec0d0 JS |
7557 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
7558 | 1000); | |
7559 | mod_timer(&psli->mbox_tmo, jiffies + timeout); | |
dea3101e JB |
7560 | } |
7561 | ||
7562 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 7563 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 7564 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 7565 | "x%x\n", |
e8b62011 | 7566 | pmbox->vport ? pmbox->vport->vpi : 0, |
bf07bdea | 7567 | mbx->mbxCommand, phba->pport->port_state, |
92d7f7b0 | 7568 | psli->sli_flag, flag); |
dea3101e | 7569 | |
bf07bdea | 7570 | if (mbx->mbxCommand != MBX_HEARTBEAT) { |
858c9f6c JS |
7571 | if (pmbox->vport) { |
7572 | lpfc_debugfs_disc_trc(pmbox->vport, | |
7573 | LPFC_DISC_TRC_MBOX_VPORT, | |
7574 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
7575 | (uint32_t)mbx->mbxCommand, |
7576 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
7577 | } |
7578 | else { | |
7579 | lpfc_debugfs_disc_trc(phba->pport, | |
7580 | LPFC_DISC_TRC_MBOX, | |
7581 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
7582 | (uint32_t)mbx->mbxCommand, |
7583 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
7584 | } |
7585 | } | |
7586 | ||
dea3101e JB |
7587 | psli->slistat.mbox_cmd++; |
7588 | evtctr = psli->slistat.mbox_event; | |
7589 | ||
7590 | /* next set own bit for the adapter and copy over command word */ | |
bf07bdea | 7591 | mbx->mbxOwner = OWN_CHIP; |
dea3101e | 7592 | |
3772a991 | 7593 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
7a470277 JS |
7594 | /* Populate mbox extension offset word. */ |
7595 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) { | |
bf07bdea | 7596 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
7597 | = (uint8_t *)phba->mbox_ext |
7598 | - (uint8_t *)phba->mbox; | |
7599 | } | |
7600 | ||
7601 | /* Copy the mailbox extension data */ | |
7602 | if (pmbox->in_ext_byte_len && pmbox->context2) { | |
7603 | lpfc_sli_pcimem_bcopy(pmbox->context2, | |
7604 | (uint8_t *)phba->mbox_ext, | |
7605 | pmbox->in_ext_byte_len); | |
7606 | } | |
7607 | /* Copy command data to host SLIM area */ | |
bf07bdea | 7608 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, MAILBOX_CMD_SIZE); |
dea3101e | 7609 | } else { |
7a470277 JS |
7610 | /* Populate mbox extension offset word. */ |
7611 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) | |
bf07bdea | 7612 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
7613 | = MAILBOX_HBA_EXT_OFFSET; |
7614 | ||
7615 | /* Copy the mailbox extension data */ | |
895427bd | 7616 | if (pmbox->in_ext_byte_len && pmbox->context2) |
7a470277 JS |
7617 | lpfc_memcpy_to_slim(phba->MBslimaddr + |
7618 | MAILBOX_HBA_EXT_OFFSET, | |
7619 | pmbox->context2, pmbox->in_ext_byte_len); | |
7620 | ||
895427bd | 7621 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 7622 | /* copy command data into host mbox for cmpl */ |
895427bd JS |
7623 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, |
7624 | MAILBOX_CMD_SIZE); | |
dea3101e JB |
7625 | |
7626 | /* First copy mbox command data to HBA SLIM, skip past first | |
7627 | word */ | |
7628 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
bf07bdea | 7629 | lpfc_memcpy_to_slim(to_slim, &mbx->un.varWords[0], |
dea3101e JB |
7630 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
7631 | ||
7632 | /* Next copy over first word, with mbxOwner set */ | |
bf07bdea | 7633 | ldata = *((uint32_t *)mbx); |
dea3101e JB |
7634 | to_slim = phba->MBslimaddr; |
7635 | writel(ldata, to_slim); | |
7636 | readl(to_slim); /* flush */ | |
7637 | ||
895427bd | 7638 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 7639 | /* switch over to host mailbox */ |
3772a991 | 7640 | psli->sli_flag |= LPFC_SLI_ACTIVE; |
dea3101e JB |
7641 | } |
7642 | ||
7643 | wmb(); | |
dea3101e JB |
7644 | |
7645 | switch (flag) { | |
7646 | case MBX_NOWAIT: | |
09372820 | 7647 | /* Set up reference to mailbox command */ |
dea3101e | 7648 | psli->mbox_active = pmbox; |
09372820 JS |
7649 | /* Interrupt board to do it */ |
7650 | writel(CA_MBATT, phba->CAregaddr); | |
7651 | readl(phba->CAregaddr); /* flush */ | |
7652 | /* Don't wait for it to finish, just return */ | |
dea3101e JB |
7653 | break; |
7654 | ||
7655 | case MBX_POLL: | |
09372820 | 7656 | /* Set up null reference to mailbox command */ |
dea3101e | 7657 | psli->mbox_active = NULL; |
09372820 JS |
7658 | /* Interrupt board to do it */ |
7659 | writel(CA_MBATT, phba->CAregaddr); | |
7660 | readl(phba->CAregaddr); /* flush */ | |
7661 | ||
3772a991 | 7662 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 7663 | /* First read mbox status word */ |
34b02dcd | 7664 | word0 = *((uint32_t *)phba->mbox); |
dea3101e JB |
7665 | word0 = le32_to_cpu(word0); |
7666 | } else { | |
7667 | /* First read mbox status word */ | |
9940b97b JS |
7668 | if (lpfc_readl(phba->MBslimaddr, &word0)) { |
7669 | spin_unlock_irqrestore(&phba->hbalock, | |
7670 | drvr_flag); | |
7671 | goto out_not_finished; | |
7672 | } | |
dea3101e JB |
7673 | } |
7674 | ||
7675 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
7676 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
7677 | spin_unlock_irqrestore(&phba->hbalock, | |
7678 | drvr_flag); | |
7679 | goto out_not_finished; | |
7680 | } | |
a183a15f JS |
7681 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
7682 | 1000) + jiffies; | |
09372820 | 7683 | i = 0; |
dea3101e | 7684 | /* Wait for command to complete */ |
41415862 JW |
7685 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
7686 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 7687 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 7688 | if (time_after(jiffies, timeout)) { |
dea3101e | 7689 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 7690 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 7691 | drvr_flag); |
58da1ffb | 7692 | goto out_not_finished; |
dea3101e JB |
7693 | } |
7694 | ||
7695 | /* Check if we took a mbox interrupt while we were | |
7696 | polling */ | |
7697 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
7698 | && (evtctr != psli->slistat.mbox_event)) | |
7699 | break; | |
7700 | ||
09372820 JS |
7701 | if (i++ > 10) { |
7702 | spin_unlock_irqrestore(&phba->hbalock, | |
7703 | drvr_flag); | |
7704 | msleep(1); | |
7705 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
7706 | } | |
dea3101e | 7707 | |
3772a991 | 7708 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 7709 | /* First copy command data */ |
34b02dcd | 7710 | word0 = *((uint32_t *)phba->mbox); |
dea3101e | 7711 | word0 = le32_to_cpu(word0); |
bf07bdea | 7712 | if (mbx->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 7713 | MAILBOX_t *slimmb; |
34b02dcd | 7714 | uint32_t slimword0; |
dea3101e JB |
7715 | /* Check real SLIM for any errors */ |
7716 | slimword0 = readl(phba->MBslimaddr); | |
7717 | slimmb = (MAILBOX_t *) & slimword0; | |
7718 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
7719 | && slimmb->mbxStatus) { | |
7720 | psli->sli_flag &= | |
3772a991 | 7721 | ~LPFC_SLI_ACTIVE; |
dea3101e JB |
7722 | word0 = slimword0; |
7723 | } | |
7724 | } | |
7725 | } else { | |
7726 | /* First copy command data */ | |
7727 | word0 = readl(phba->MBslimaddr); | |
7728 | } | |
7729 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
7730 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
7731 | spin_unlock_irqrestore(&phba->hbalock, | |
7732 | drvr_flag); | |
7733 | goto out_not_finished; | |
7734 | } | |
dea3101e JB |
7735 | } |
7736 | ||
3772a991 | 7737 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 7738 | /* copy results back to user */ |
2ea259ee JS |
7739 | lpfc_sli_pcimem_bcopy(phba->mbox, mbx, |
7740 | MAILBOX_CMD_SIZE); | |
7a470277 JS |
7741 | /* Copy the mailbox extension data */ |
7742 | if (pmbox->out_ext_byte_len && pmbox->context2) { | |
7743 | lpfc_sli_pcimem_bcopy(phba->mbox_ext, | |
7744 | pmbox->context2, | |
7745 | pmbox->out_ext_byte_len); | |
7746 | } | |
dea3101e JB |
7747 | } else { |
7748 | /* First copy command data */ | |
bf07bdea | 7749 | lpfc_memcpy_from_slim(mbx, phba->MBslimaddr, |
2ea259ee | 7750 | MAILBOX_CMD_SIZE); |
7a470277 JS |
7751 | /* Copy the mailbox extension data */ |
7752 | if (pmbox->out_ext_byte_len && pmbox->context2) { | |
7753 | lpfc_memcpy_from_slim(pmbox->context2, | |
7754 | phba->MBslimaddr + | |
7755 | MAILBOX_HBA_EXT_OFFSET, | |
7756 | pmbox->out_ext_byte_len); | |
dea3101e JB |
7757 | } |
7758 | } | |
7759 | ||
7760 | writel(HA_MBATT, phba->HAregaddr); | |
7761 | readl(phba->HAregaddr); /* flush */ | |
7762 | ||
7763 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
bf07bdea | 7764 | status = mbx->mbxStatus; |
dea3101e JB |
7765 | } |
7766 | ||
2e0fef85 JS |
7767 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
7768 | return status; | |
58da1ffb JS |
7769 | |
7770 | out_not_finished: | |
7771 | if (processing_queue) { | |
da0436e9 | 7772 | pmbox->u.mb.mbxStatus = MBX_NOT_FINISHED; |
58da1ffb JS |
7773 | lpfc_mbox_cmpl_put(phba, pmbox); |
7774 | } | |
7775 | return MBX_NOT_FINISHED; | |
dea3101e JB |
7776 | } |
7777 | ||
f1126688 JS |
7778 | /** |
7779 | * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command | |
7780 | * @phba: Pointer to HBA context object. | |
7781 | * | |
7782 | * The function blocks the posting of SLI4 asynchronous mailbox commands from | |
7783 | * the driver internal pending mailbox queue. It will then try to wait out the | |
7784 | * possible outstanding mailbox command before return. | |
7785 | * | |
7786 | * Returns: | |
7787 | * 0 - the outstanding mailbox command completed; otherwise, the wait for | |
7788 | * the outstanding mailbox command timed out. | |
7789 | **/ | |
7790 | static int | |
7791 | lpfc_sli4_async_mbox_block(struct lpfc_hba *phba) | |
7792 | { | |
7793 | struct lpfc_sli *psli = &phba->sli; | |
f1126688 | 7794 | int rc = 0; |
a183a15f | 7795 | unsigned long timeout = 0; |
f1126688 JS |
7796 | |
7797 | /* Mark the asynchronous mailbox command posting as blocked */ | |
7798 | spin_lock_irq(&phba->hbalock); | |
7799 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
f1126688 JS |
7800 | /* Determine how long we might wait for the active mailbox |
7801 | * command to be gracefully completed by firmware. | |
7802 | */ | |
a183a15f JS |
7803 | if (phba->sli.mbox_active) |
7804 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
7805 | phba->sli.mbox_active) * | |
7806 | 1000) + jiffies; | |
7807 | spin_unlock_irq(&phba->hbalock); | |
7808 | ||
e8d3c3b1 JS |
7809 | /* Make sure the mailbox is really active */ |
7810 | if (timeout) | |
7811 | lpfc_sli4_process_missed_mbox_completions(phba); | |
7812 | ||
f1126688 JS |
7813 | /* Wait for the outstnading mailbox command to complete */ |
7814 | while (phba->sli.mbox_active) { | |
7815 | /* Check active mailbox complete status every 2ms */ | |
7816 | msleep(2); | |
7817 | if (time_after(jiffies, timeout)) { | |
7818 | /* Timeout, marked the outstanding cmd not complete */ | |
7819 | rc = 1; | |
7820 | break; | |
7821 | } | |
7822 | } | |
7823 | ||
7824 | /* Can not cleanly block async mailbox command, fails it */ | |
7825 | if (rc) { | |
7826 | spin_lock_irq(&phba->hbalock); | |
7827 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7828 | spin_unlock_irq(&phba->hbalock); | |
7829 | } | |
7830 | return rc; | |
7831 | } | |
7832 | ||
7833 | /** | |
7834 | * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command | |
7835 | * @phba: Pointer to HBA context object. | |
7836 | * | |
7837 | * The function unblocks and resume posting of SLI4 asynchronous mailbox | |
7838 | * commands from the driver internal pending mailbox queue. It makes sure | |
7839 | * that there is no outstanding mailbox command before resuming posting | |
7840 | * asynchronous mailbox commands. If, for any reason, there is outstanding | |
7841 | * mailbox command, it will try to wait it out before resuming asynchronous | |
7842 | * mailbox command posting. | |
7843 | **/ | |
7844 | static void | |
7845 | lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba) | |
7846 | { | |
7847 | struct lpfc_sli *psli = &phba->sli; | |
7848 | ||
7849 | spin_lock_irq(&phba->hbalock); | |
7850 | if (!(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
7851 | /* Asynchronous mailbox posting is not blocked, do nothing */ | |
7852 | spin_unlock_irq(&phba->hbalock); | |
7853 | return; | |
7854 | } | |
7855 | ||
7856 | /* Outstanding synchronous mailbox command is guaranteed to be done, | |
7857 | * successful or timeout, after timing-out the outstanding mailbox | |
7858 | * command shall always be removed, so just unblock posting async | |
7859 | * mailbox command and resume | |
7860 | */ | |
7861 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7862 | spin_unlock_irq(&phba->hbalock); | |
7863 | ||
7864 | /* wake up worker thread to post asynchronlous mailbox command */ | |
7865 | lpfc_worker_wake_up(phba); | |
7866 | } | |
7867 | ||
2d843edc JS |
7868 | /** |
7869 | * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready | |
7870 | * @phba: Pointer to HBA context object. | |
7871 | * @mboxq: Pointer to mailbox object. | |
7872 | * | |
7873 | * The function waits for the bootstrap mailbox register ready bit from | |
7874 | * port for twice the regular mailbox command timeout value. | |
7875 | * | |
7876 | * 0 - no timeout on waiting for bootstrap mailbox register ready. | |
7877 | * MBXERR_ERROR - wait for bootstrap mailbox register timed out. | |
7878 | **/ | |
7879 | static int | |
7880 | lpfc_sli4_wait_bmbx_ready(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
7881 | { | |
7882 | uint32_t db_ready; | |
7883 | unsigned long timeout; | |
7884 | struct lpfc_register bmbx_reg; | |
7885 | ||
7886 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq) | |
7887 | * 1000) + jiffies; | |
7888 | ||
7889 | do { | |
7890 | bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr); | |
7891 | db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg); | |
7892 | if (!db_ready) | |
7893 | msleep(2); | |
7894 | ||
7895 | if (time_after(jiffies, timeout)) | |
7896 | return MBXERR_ERROR; | |
7897 | } while (!db_ready); | |
7898 | ||
7899 | return 0; | |
7900 | } | |
7901 | ||
da0436e9 JS |
7902 | /** |
7903 | * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox | |
7904 | * @phba: Pointer to HBA context object. | |
7905 | * @mboxq: Pointer to mailbox object. | |
7906 | * | |
7907 | * The function posts a mailbox to the port. The mailbox is expected | |
7908 | * to be comletely filled in and ready for the port to operate on it. | |
7909 | * This routine executes a synchronous completion operation on the | |
7910 | * mailbox by polling for its completion. | |
7911 | * | |
7912 | * The caller must not be holding any locks when calling this routine. | |
7913 | * | |
7914 | * Returns: | |
7915 | * MBX_SUCCESS - mailbox posted successfully | |
7916 | * Any of the MBX error values. | |
7917 | **/ | |
7918 | static int | |
7919 | lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
7920 | { | |
7921 | int rc = MBX_SUCCESS; | |
7922 | unsigned long iflag; | |
da0436e9 JS |
7923 | uint32_t mcqe_status; |
7924 | uint32_t mbx_cmnd; | |
da0436e9 JS |
7925 | struct lpfc_sli *psli = &phba->sli; |
7926 | struct lpfc_mqe *mb = &mboxq->u.mqe; | |
7927 | struct lpfc_bmbx_create *mbox_rgn; | |
7928 | struct dma_address *dma_address; | |
da0436e9 JS |
7929 | |
7930 | /* | |
7931 | * Only one mailbox can be active to the bootstrap mailbox region | |
7932 | * at a time and there is no queueing provided. | |
7933 | */ | |
7934 | spin_lock_irqsave(&phba->hbalock, iflag); | |
7935 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
7936 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
7937 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 7938 | "(%d):2532 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
7939 | "cannot issue Data: x%x x%x\n", |
7940 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7941 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
7942 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7943 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
7944 | psli->sli_flag, MBX_POLL); |
7945 | return MBXERR_ERROR; | |
7946 | } | |
7947 | /* The server grabs the token and owns it until release */ | |
7948 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
7949 | phba->sli.mbox_active = mboxq; | |
7950 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
7951 | ||
2d843edc JS |
7952 | /* wait for bootstrap mbox register for readyness */ |
7953 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
7954 | if (rc) | |
7955 | goto exit; | |
7956 | ||
da0436e9 JS |
7957 | /* |
7958 | * Initialize the bootstrap memory region to avoid stale data areas | |
7959 | * in the mailbox post. Then copy the caller's mailbox contents to | |
7960 | * the bmbx mailbox region. | |
7961 | */ | |
7962 | mbx_cmnd = bf_get(lpfc_mqe_command, mb); | |
7963 | memset(phba->sli4_hba.bmbx.avirt, 0, sizeof(struct lpfc_bmbx_create)); | |
7964 | lpfc_sli_pcimem_bcopy(mb, phba->sli4_hba.bmbx.avirt, | |
7965 | sizeof(struct lpfc_mqe)); | |
7966 | ||
7967 | /* Post the high mailbox dma address to the port and wait for ready. */ | |
7968 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
7969 | writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr); | |
7970 | ||
2d843edc JS |
7971 | /* wait for bootstrap mbox register for hi-address write done */ |
7972 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
7973 | if (rc) | |
7974 | goto exit; | |
da0436e9 JS |
7975 | |
7976 | /* Post the low mailbox dma address to the port. */ | |
7977 | writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr); | |
da0436e9 | 7978 | |
2d843edc JS |
7979 | /* wait for bootstrap mbox register for low address write done */ |
7980 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
7981 | if (rc) | |
7982 | goto exit; | |
da0436e9 JS |
7983 | |
7984 | /* | |
7985 | * Read the CQ to ensure the mailbox has completed. | |
7986 | * If so, update the mailbox status so that the upper layers | |
7987 | * can complete the request normally. | |
7988 | */ | |
7989 | lpfc_sli_pcimem_bcopy(phba->sli4_hba.bmbx.avirt, mb, | |
7990 | sizeof(struct lpfc_mqe)); | |
7991 | mbox_rgn = (struct lpfc_bmbx_create *) phba->sli4_hba.bmbx.avirt; | |
7992 | lpfc_sli_pcimem_bcopy(&mbox_rgn->mcqe, &mboxq->mcqe, | |
7993 | sizeof(struct lpfc_mcqe)); | |
7994 | mcqe_status = bf_get(lpfc_mcqe_status, &mbox_rgn->mcqe); | |
0558056c JS |
7995 | /* |
7996 | * When the CQE status indicates a failure and the mailbox status | |
7997 | * indicates success then copy the CQE status into the mailbox status | |
7998 | * (and prefix it with x4000). | |
7999 | */ | |
da0436e9 | 8000 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { |
0558056c JS |
8001 | if (bf_get(lpfc_mqe_status, mb) == MBX_SUCCESS) |
8002 | bf_set(lpfc_mqe_status, mb, | |
8003 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
da0436e9 | 8004 | rc = MBXERR_ERROR; |
d7c47992 JS |
8005 | } else |
8006 | lpfc_sli4_swap_str(phba, mboxq); | |
da0436e9 JS |
8007 | |
8008 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8009 | "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x " |
da0436e9 JS |
8010 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x" |
8011 | " x%x x%x CQ: x%x x%x x%x x%x\n", | |
a183a15f JS |
8012 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, |
8013 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
8014 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8015 | bf_get(lpfc_mqe_status, mb), |
8016 | mb->un.mb_words[0], mb->un.mb_words[1], | |
8017 | mb->un.mb_words[2], mb->un.mb_words[3], | |
8018 | mb->un.mb_words[4], mb->un.mb_words[5], | |
8019 | mb->un.mb_words[6], mb->un.mb_words[7], | |
8020 | mb->un.mb_words[8], mb->un.mb_words[9], | |
8021 | mb->un.mb_words[10], mb->un.mb_words[11], | |
8022 | mb->un.mb_words[12], mboxq->mcqe.word0, | |
8023 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
8024 | mboxq->mcqe.trailer); | |
8025 | exit: | |
8026 | /* We are holding the token, no needed for lock when release */ | |
8027 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8028 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8029 | phba->sli.mbox_active = NULL; | |
8030 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8031 | return rc; | |
8032 | } | |
8033 | ||
8034 | /** | |
8035 | * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware | |
8036 | * @phba: Pointer to HBA context object. | |
8037 | * @pmbox: Pointer to mailbox object. | |
8038 | * @flag: Flag indicating how the mailbox need to be processed. | |
8039 | * | |
8040 | * This function is called by discovery code and HBA management code to submit | |
8041 | * a mailbox command to firmware with SLI-4 interface spec. | |
8042 | * | |
8043 | * Return codes the caller owns the mailbox command after the return of the | |
8044 | * function. | |
8045 | **/ | |
8046 | static int | |
8047 | lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
8048 | uint32_t flag) | |
8049 | { | |
8050 | struct lpfc_sli *psli = &phba->sli; | |
8051 | unsigned long iflags; | |
8052 | int rc; | |
8053 | ||
b76f2dc9 JS |
8054 | /* dump from issue mailbox command if setup */ |
8055 | lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb); | |
8056 | ||
8fa38513 JS |
8057 | rc = lpfc_mbox_dev_check(phba); |
8058 | if (unlikely(rc)) { | |
8059 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8060 | "(%d):2544 Mailbox command x%x (x%x/x%x) " |
8fa38513 JS |
8061 | "cannot issue Data: x%x x%x\n", |
8062 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8063 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8064 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8065 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
8fa38513 JS |
8066 | psli->sli_flag, flag); |
8067 | goto out_not_finished; | |
8068 | } | |
8069 | ||
da0436e9 JS |
8070 | /* Detect polling mode and jump to a handler */ |
8071 | if (!phba->sli4_hba.intr_enable) { | |
8072 | if (flag == MBX_POLL) | |
8073 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8074 | else | |
8075 | rc = -EIO; | |
8076 | if (rc != MBX_SUCCESS) | |
0558056c | 8077 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
da0436e9 | 8078 | "(%d):2541 Mailbox command x%x " |
cc459f19 JS |
8079 | "(x%x/x%x) failure: " |
8080 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8081 | "Data: x%x x%x\n,", | |
da0436e9 JS |
8082 | mboxq->vport ? mboxq->vport->vpi : 0, |
8083 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8084 | lpfc_sli_config_mbox_subsys_get(phba, |
8085 | mboxq), | |
8086 | lpfc_sli_config_mbox_opcode_get(phba, | |
8087 | mboxq), | |
cc459f19 JS |
8088 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8089 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8090 | bf_get(lpfc_mcqe_ext_status, | |
8091 | &mboxq->mcqe), | |
da0436e9 JS |
8092 | psli->sli_flag, flag); |
8093 | return rc; | |
8094 | } else if (flag == MBX_POLL) { | |
f1126688 JS |
8095 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
8096 | "(%d):2542 Try to issue mailbox command " | |
a183a15f | 8097 | "x%x (x%x/x%x) synchronously ahead of async" |
f1126688 | 8098 | "mailbox command queue: x%x x%x\n", |
da0436e9 JS |
8099 | mboxq->vport ? mboxq->vport->vpi : 0, |
8100 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8101 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8102 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 | 8103 | psli->sli_flag, flag); |
f1126688 JS |
8104 | /* Try to block the asynchronous mailbox posting */ |
8105 | rc = lpfc_sli4_async_mbox_block(phba); | |
8106 | if (!rc) { | |
8107 | /* Successfully blocked, now issue sync mbox cmd */ | |
8108 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8109 | if (rc != MBX_SUCCESS) | |
cc459f19 | 8110 | lpfc_printf_log(phba, KERN_WARNING, |
a183a15f | 8111 | LOG_MBOX | LOG_SLI, |
cc459f19 JS |
8112 | "(%d):2597 Sync Mailbox command " |
8113 | "x%x (x%x/x%x) failure: " | |
8114 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8115 | "Data: x%x x%x\n,", | |
8116 | mboxq->vport ? mboxq->vport->vpi : 0, | |
a183a15f JS |
8117 | mboxq->u.mb.mbxCommand, |
8118 | lpfc_sli_config_mbox_subsys_get(phba, | |
8119 | mboxq), | |
8120 | lpfc_sli_config_mbox_opcode_get(phba, | |
8121 | mboxq), | |
cc459f19 JS |
8122 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8123 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8124 | bf_get(lpfc_mcqe_ext_status, | |
8125 | &mboxq->mcqe), | |
a183a15f | 8126 | psli->sli_flag, flag); |
f1126688 JS |
8127 | /* Unblock the async mailbox posting afterward */ |
8128 | lpfc_sli4_async_mbox_unblock(phba); | |
8129 | } | |
8130 | return rc; | |
da0436e9 JS |
8131 | } |
8132 | ||
8133 | /* Now, interrupt mode asynchrous mailbox command */ | |
8134 | rc = lpfc_mbox_cmd_check(phba, mboxq); | |
8135 | if (rc) { | |
8136 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8137 | "(%d):2543 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8138 | "cannot issue Data: x%x x%x\n", |
8139 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8140 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8141 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8142 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8143 | psli->sli_flag, flag); |
8144 | goto out_not_finished; | |
8145 | } | |
da0436e9 JS |
8146 | |
8147 | /* Put the mailbox command to the driver internal FIFO */ | |
8148 | psli->slistat.mbox_busy++; | |
8149 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8150 | lpfc_mbox_put(phba, mboxq); | |
8151 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8152 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
8153 | "(%d):0354 Mbox cmd issue - Enqueue Data: " | |
a183a15f | 8154 | "x%x (x%x/x%x) x%x x%x x%x\n", |
da0436e9 JS |
8155 | mboxq->vport ? mboxq->vport->vpi : 0xffffff, |
8156 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
a183a15f JS |
8157 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8158 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8159 | phba->pport->port_state, |
8160 | psli->sli_flag, MBX_NOWAIT); | |
8161 | /* Wake up worker thread to transport mailbox command from head */ | |
8162 | lpfc_worker_wake_up(phba); | |
8163 | ||
8164 | return MBX_BUSY; | |
8165 | ||
8166 | out_not_finished: | |
8167 | return MBX_NOT_FINISHED; | |
8168 | } | |
8169 | ||
8170 | /** | |
8171 | * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device | |
8172 | * @phba: Pointer to HBA context object. | |
8173 | * | |
8174 | * This function is called by worker thread to send a mailbox command to | |
8175 | * SLI4 HBA firmware. | |
8176 | * | |
8177 | **/ | |
8178 | int | |
8179 | lpfc_sli4_post_async_mbox(struct lpfc_hba *phba) | |
8180 | { | |
8181 | struct lpfc_sli *psli = &phba->sli; | |
8182 | LPFC_MBOXQ_t *mboxq; | |
8183 | int rc = MBX_SUCCESS; | |
8184 | unsigned long iflags; | |
8185 | struct lpfc_mqe *mqe; | |
8186 | uint32_t mbx_cmnd; | |
8187 | ||
8188 | /* Check interrupt mode before post async mailbox command */ | |
8189 | if (unlikely(!phba->sli4_hba.intr_enable)) | |
8190 | return MBX_NOT_FINISHED; | |
8191 | ||
8192 | /* Check for mailbox command service token */ | |
8193 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8194 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
8195 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8196 | return MBX_NOT_FINISHED; | |
8197 | } | |
8198 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8199 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8200 | return MBX_NOT_FINISHED; | |
8201 | } | |
8202 | if (unlikely(phba->sli.mbox_active)) { | |
8203 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8204 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
8205 | "0384 There is pending active mailbox cmd\n"); | |
8206 | return MBX_NOT_FINISHED; | |
8207 | } | |
8208 | /* Take the mailbox command service token */ | |
8209 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
8210 | ||
8211 | /* Get the next mailbox command from head of queue */ | |
8212 | mboxq = lpfc_mbox_get(phba); | |
8213 | ||
8214 | /* If no more mailbox command waiting for post, we're done */ | |
8215 | if (!mboxq) { | |
8216 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8217 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8218 | return MBX_SUCCESS; | |
8219 | } | |
8220 | phba->sli.mbox_active = mboxq; | |
8221 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8222 | ||
8223 | /* Check device readiness for posting mailbox command */ | |
8224 | rc = lpfc_mbox_dev_check(phba); | |
8225 | if (unlikely(rc)) | |
8226 | /* Driver clean routine will clean up pending mailbox */ | |
8227 | goto out_not_finished; | |
8228 | ||
8229 | /* Prepare the mbox command to be posted */ | |
8230 | mqe = &mboxq->u.mqe; | |
8231 | mbx_cmnd = bf_get(lpfc_mqe_command, mqe); | |
8232 | ||
8233 | /* Start timer for the mbox_tmo and log some mailbox post messages */ | |
8234 | mod_timer(&psli->mbox_tmo, (jiffies + | |
256ec0d0 | 8235 | msecs_to_jiffies(1000 * lpfc_mbox_tmo_val(phba, mboxq)))); |
da0436e9 JS |
8236 | |
8237 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8238 | "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: " |
da0436e9 JS |
8239 | "x%x x%x\n", |
8240 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, | |
a183a15f JS |
8241 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8242 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8243 | phba->pport->port_state, psli->sli_flag); |
8244 | ||
8245 | if (mbx_cmnd != MBX_HEARTBEAT) { | |
8246 | if (mboxq->vport) { | |
8247 | lpfc_debugfs_disc_trc(mboxq->vport, | |
8248 | LPFC_DISC_TRC_MBOX_VPORT, | |
8249 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
8250 | mbx_cmnd, mqe->un.mb_words[0], | |
8251 | mqe->un.mb_words[1]); | |
8252 | } else { | |
8253 | lpfc_debugfs_disc_trc(phba->pport, | |
8254 | LPFC_DISC_TRC_MBOX, | |
8255 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
8256 | mbx_cmnd, mqe->un.mb_words[0], | |
8257 | mqe->un.mb_words[1]); | |
8258 | } | |
8259 | } | |
8260 | psli->slistat.mbox_cmd++; | |
8261 | ||
8262 | /* Post the mailbox command to the port */ | |
8263 | rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe); | |
8264 | if (rc != MBX_SUCCESS) { | |
8265 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8266 | "(%d):2533 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8267 | "cannot issue Data: x%x x%x\n", |
8268 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8269 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8270 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8271 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8272 | psli->sli_flag, MBX_NOWAIT); |
8273 | goto out_not_finished; | |
8274 | } | |
8275 | ||
8276 | return rc; | |
8277 | ||
8278 | out_not_finished: | |
8279 | spin_lock_irqsave(&phba->hbalock, iflags); | |
d7069f09 JS |
8280 | if (phba->sli.mbox_active) { |
8281 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
8282 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
8283 | /* Release the token */ | |
8284 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8285 | phba->sli.mbox_active = NULL; | |
8286 | } | |
da0436e9 JS |
8287 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
8288 | ||
8289 | return MBX_NOT_FINISHED; | |
8290 | } | |
8291 | ||
8292 | /** | |
8293 | * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command | |
8294 | * @phba: Pointer to HBA context object. | |
8295 | * @pmbox: Pointer to mailbox object. | |
8296 | * @flag: Flag indicating how the mailbox need to be processed. | |
8297 | * | |
8298 | * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from | |
8299 | * the API jump table function pointer from the lpfc_hba struct. | |
8300 | * | |
8301 | * Return codes the caller owns the mailbox command after the return of the | |
8302 | * function. | |
8303 | **/ | |
8304 | int | |
8305 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) | |
8306 | { | |
8307 | return phba->lpfc_sli_issue_mbox(phba, pmbox, flag); | |
8308 | } | |
8309 | ||
8310 | /** | |
25985edc | 8311 | * lpfc_mbox_api_table_setup - Set up mbox api function jump table |
da0436e9 JS |
8312 | * @phba: The hba struct for which this call is being executed. |
8313 | * @dev_grp: The HBA PCI-Device group number. | |
8314 | * | |
8315 | * This routine sets up the mbox interface API function jump table in @phba | |
8316 | * struct. | |
8317 | * Returns: 0 - success, -ENODEV - failure. | |
8318 | **/ | |
8319 | int | |
8320 | lpfc_mbox_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
8321 | { | |
8322 | ||
8323 | switch (dev_grp) { | |
8324 | case LPFC_PCI_DEV_LP: | |
8325 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s3; | |
8326 | phba->lpfc_sli_handle_slow_ring_event = | |
8327 | lpfc_sli_handle_slow_ring_event_s3; | |
8328 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s3; | |
8329 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s3; | |
8330 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s3; | |
8331 | break; | |
8332 | case LPFC_PCI_DEV_OC: | |
8333 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s4; | |
8334 | phba->lpfc_sli_handle_slow_ring_event = | |
8335 | lpfc_sli_handle_slow_ring_event_s4; | |
8336 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s4; | |
8337 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s4; | |
8338 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s4; | |
8339 | break; | |
8340 | default: | |
8341 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8342 | "1420 Invalid HBA PCI-device group: 0x%x\n", | |
8343 | dev_grp); | |
8344 | return -ENODEV; | |
8345 | break; | |
8346 | } | |
8347 | return 0; | |
8348 | } | |
8349 | ||
e59058c4 | 8350 | /** |
3621a710 | 8351 | * __lpfc_sli_ringtx_put - Add an iocb to the txq |
e59058c4 JS |
8352 | * @phba: Pointer to HBA context object. |
8353 | * @pring: Pointer to driver SLI ring object. | |
8354 | * @piocb: Pointer to address of newly added command iocb. | |
8355 | * | |
8356 | * This function is called with hbalock held to add a command | |
8357 | * iocb to the txq when SLI layer cannot submit the command iocb | |
8358 | * to the ring. | |
8359 | **/ | |
2a9bf3d0 | 8360 | void |
92d7f7b0 | 8361 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 8362 | struct lpfc_iocbq *piocb) |
dea3101e | 8363 | { |
1c2ba475 | 8364 | lockdep_assert_held(&phba->hbalock); |
dea3101e JB |
8365 | /* Insert the caller's iocb in the txq tail for later processing. */ |
8366 | list_add_tail(&piocb->list, &pring->txq); | |
dea3101e JB |
8367 | } |
8368 | ||
e59058c4 | 8369 | /** |
3621a710 | 8370 | * lpfc_sli_next_iocb - Get the next iocb in the txq |
e59058c4 JS |
8371 | * @phba: Pointer to HBA context object. |
8372 | * @pring: Pointer to driver SLI ring object. | |
8373 | * @piocb: Pointer to address of newly added command iocb. | |
8374 | * | |
8375 | * This function is called with hbalock held before a new | |
8376 | * iocb is submitted to the firmware. This function checks | |
8377 | * txq to flush the iocbs in txq to Firmware before | |
8378 | * submitting new iocbs to the Firmware. | |
8379 | * If there are iocbs in the txq which need to be submitted | |
8380 | * to firmware, lpfc_sli_next_iocb returns the first element | |
8381 | * of the txq after dequeuing it from txq. | |
8382 | * If there is no iocb in the txq then the function will return | |
8383 | * *piocb and *piocb is set to NULL. Caller needs to check | |
8384 | * *piocb to find if there are more commands in the txq. | |
8385 | **/ | |
dea3101e JB |
8386 | static struct lpfc_iocbq * |
8387 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 8388 | struct lpfc_iocbq **piocb) |
dea3101e JB |
8389 | { |
8390 | struct lpfc_iocbq * nextiocb; | |
8391 | ||
1c2ba475 JT |
8392 | lockdep_assert_held(&phba->hbalock); |
8393 | ||
dea3101e JB |
8394 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
8395 | if (!nextiocb) { | |
8396 | nextiocb = *piocb; | |
8397 | *piocb = NULL; | |
8398 | } | |
8399 | ||
8400 | return nextiocb; | |
8401 | } | |
8402 | ||
e59058c4 | 8403 | /** |
3772a991 | 8404 | * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb |
e59058c4 | 8405 | * @phba: Pointer to HBA context object. |
3772a991 | 8406 | * @ring_number: SLI ring number to issue iocb on. |
e59058c4 JS |
8407 | * @piocb: Pointer to command iocb. |
8408 | * @flag: Flag indicating if this command can be put into txq. | |
8409 | * | |
3772a991 JS |
8410 | * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue |
8411 | * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is | |
8412 | * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT | |
8413 | * flag is turned on, the function returns IOCB_ERROR. When the link is down, | |
8414 | * this function allows only iocbs for posting buffers. This function finds | |
8415 | * next available slot in the command ring and posts the command to the | |
8416 | * available slot and writes the port attention register to request HBA start | |
8417 | * processing new iocb. If there is no slot available in the ring and | |
8418 | * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise | |
8419 | * the function returns IOCB_BUSY. | |
e59058c4 | 8420 | * |
3772a991 JS |
8421 | * This function is called with hbalock held. The function will return success |
8422 | * after it successfully submit the iocb to firmware or after adding to the | |
8423 | * txq. | |
e59058c4 | 8424 | **/ |
98c9ea5c | 8425 | static int |
3772a991 | 8426 | __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, |
dea3101e JB |
8427 | struct lpfc_iocbq *piocb, uint32_t flag) |
8428 | { | |
8429 | struct lpfc_iocbq *nextiocb; | |
8430 | IOCB_t *iocb; | |
895427bd | 8431 | struct lpfc_sli_ring *pring = &phba->sli.sli3_ring[ring_number]; |
dea3101e | 8432 | |
1c2ba475 JT |
8433 | lockdep_assert_held(&phba->hbalock); |
8434 | ||
92d7f7b0 JS |
8435 | if (piocb->iocb_cmpl && (!piocb->vport) && |
8436 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
8437 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
8438 | lpfc_printf_log(phba, KERN_ERR, | |
8439 | LOG_SLI | LOG_VPORT, | |
e8b62011 | 8440 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
8441 | piocb->iocb.ulpCommand); |
8442 | dump_stack(); | |
8443 | return IOCB_ERROR; | |
8444 | } | |
8445 | ||
8446 | ||
8d63f375 LV |
8447 | /* If the PCI channel is in offline state, do not post iocbs. */ |
8448 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
8449 | return IOCB_ERROR; | |
8450 | ||
a257bf90 JS |
8451 | /* If HBA has a deferred error attention, fail the iocb. */ |
8452 | if (unlikely(phba->hba_flag & DEFER_ERATT)) | |
8453 | return IOCB_ERROR; | |
8454 | ||
dea3101e JB |
8455 | /* |
8456 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
8457 | */ | |
2e0fef85 | 8458 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e JB |
8459 | return IOCB_ERROR; |
8460 | ||
8461 | /* | |
8462 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 8463 | * outstanding event. |
dea3101e | 8464 | */ |
0b727fea | 8465 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e JB |
8466 | goto iocb_busy; |
8467 | ||
2e0fef85 | 8468 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 8469 | /* |
2680eeaa | 8470 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e JB |
8471 | * can be issued if the link is not up. |
8472 | */ | |
8473 | switch (piocb->iocb.ulpCommand) { | |
84774a4d JS |
8474 | case CMD_GEN_REQUEST64_CR: |
8475 | case CMD_GEN_REQUEST64_CX: | |
8476 | if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) || | |
8477 | (piocb->iocb.un.genreq64.w5.hcsw.Rctl != | |
6a9c52cf | 8478 | FC_RCTL_DD_UNSOL_CMD) || |
84774a4d JS |
8479 | (piocb->iocb.un.genreq64.w5.hcsw.Type != |
8480 | MENLO_TRANSPORT_TYPE)) | |
8481 | ||
8482 | goto iocb_busy; | |
8483 | break; | |
dea3101e JB |
8484 | case CMD_QUE_RING_BUF_CN: |
8485 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e JB |
8486 | /* |
8487 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
8488 | * completion, iocb_cmpl MUST be 0. | |
8489 | */ | |
8490 | if (piocb->iocb_cmpl) | |
8491 | piocb->iocb_cmpl = NULL; | |
8492 | /*FALLTHROUGH*/ | |
8493 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
8494 | case CMD_CLOSE_XRI_CN: |
8495 | case CMD_CLOSE_XRI_CX: | |
dea3101e JB |
8496 | break; |
8497 | default: | |
8498 | goto iocb_busy; | |
8499 | } | |
8500 | ||
8501 | /* | |
8502 | * For FCP commands, we must be in a state where we can process link | |
8503 | * attention events. | |
8504 | */ | |
895427bd | 8505 | } else if (unlikely(pring->ringno == LPFC_FCP_RING && |
92d7f7b0 | 8506 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 8507 | goto iocb_busy; |
92d7f7b0 | 8508 | } |
dea3101e | 8509 | |
dea3101e JB |
8510 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
8511 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
8512 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
8513 | ||
8514 | if (iocb) | |
8515 | lpfc_sli_update_ring(phba, pring); | |
8516 | else | |
8517 | lpfc_sli_update_full_ring(phba, pring); | |
8518 | ||
8519 | if (!piocb) | |
8520 | return IOCB_SUCCESS; | |
8521 | ||
8522 | goto out_busy; | |
8523 | ||
8524 | iocb_busy: | |
8525 | pring->stats.iocb_cmd_delay++; | |
8526 | ||
8527 | out_busy: | |
8528 | ||
8529 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 8530 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e JB |
8531 | return IOCB_SUCCESS; |
8532 | } | |
8533 | ||
8534 | return IOCB_BUSY; | |
8535 | } | |
8536 | ||
3772a991 | 8537 | /** |
4f774513 JS |
8538 | * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl. |
8539 | * @phba: Pointer to HBA context object. | |
8540 | * @piocb: Pointer to command iocb. | |
8541 | * @sglq: Pointer to the scatter gather queue object. | |
8542 | * | |
8543 | * This routine converts the bpl or bde that is in the IOCB | |
8544 | * to a sgl list for the sli4 hardware. The physical address | |
8545 | * of the bpl/bde is converted back to a virtual address. | |
8546 | * If the IOCB contains a BPL then the list of BDE's is | |
8547 | * converted to sli4_sge's. If the IOCB contains a single | |
8548 | * BDE then it is converted to a single sli_sge. | |
8549 | * The IOCB is still in cpu endianess so the contents of | |
8550 | * the bpl can be used without byte swapping. | |
8551 | * | |
8552 | * Returns valid XRI = Success, NO_XRI = Failure. | |
8553 | **/ | |
8554 | static uint16_t | |
8555 | lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, | |
8556 | struct lpfc_sglq *sglq) | |
3772a991 | 8557 | { |
4f774513 JS |
8558 | uint16_t xritag = NO_XRI; |
8559 | struct ulp_bde64 *bpl = NULL; | |
8560 | struct ulp_bde64 bde; | |
8561 | struct sli4_sge *sgl = NULL; | |
1b51197d | 8562 | struct lpfc_dmabuf *dmabuf; |
4f774513 JS |
8563 | IOCB_t *icmd; |
8564 | int numBdes = 0; | |
8565 | int i = 0; | |
63e801ce JS |
8566 | uint32_t offset = 0; /* accumulated offset in the sg request list */ |
8567 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
3772a991 | 8568 | |
4f774513 JS |
8569 | if (!piocbq || !sglq) |
8570 | return xritag; | |
8571 | ||
8572 | sgl = (struct sli4_sge *)sglq->sgl; | |
8573 | icmd = &piocbq->iocb; | |
6b5151fd JS |
8574 | if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) |
8575 | return sglq->sli4_xritag; | |
4f774513 JS |
8576 | if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { |
8577 | numBdes = icmd->un.genreq64.bdl.bdeSize / | |
8578 | sizeof(struct ulp_bde64); | |
8579 | /* The addrHigh and addrLow fields within the IOCB | |
8580 | * have not been byteswapped yet so there is no | |
8581 | * need to swap them back. | |
8582 | */ | |
1b51197d JS |
8583 | if (piocbq->context3) |
8584 | dmabuf = (struct lpfc_dmabuf *)piocbq->context3; | |
8585 | else | |
8586 | return xritag; | |
4f774513 | 8587 | |
1b51197d | 8588 | bpl = (struct ulp_bde64 *)dmabuf->virt; |
4f774513 JS |
8589 | if (!bpl) |
8590 | return xritag; | |
8591 | ||
8592 | for (i = 0; i < numBdes; i++) { | |
8593 | /* Should already be byte swapped. */ | |
28baac74 JS |
8594 | sgl->addr_hi = bpl->addrHigh; |
8595 | sgl->addr_lo = bpl->addrLow; | |
8596 | ||
0558056c | 8597 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
8598 | if ((i+1) == numBdes) |
8599 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
8600 | else | |
8601 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
28baac74 JS |
8602 | /* swap the size field back to the cpu so we |
8603 | * can assign it to the sgl. | |
8604 | */ | |
8605 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
8606 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
63e801ce JS |
8607 | /* The offsets in the sgl need to be accumulated |
8608 | * separately for the request and reply lists. | |
8609 | * The request is always first, the reply follows. | |
8610 | */ | |
8611 | if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { | |
8612 | /* add up the reply sg entries */ | |
8613 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
8614 | inbound++; | |
8615 | /* first inbound? reset the offset */ | |
8616 | if (inbound == 1) | |
8617 | offset = 0; | |
8618 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
f9bb2da1 JS |
8619 | bf_set(lpfc_sli4_sge_type, sgl, |
8620 | LPFC_SGE_TYPE_DATA); | |
63e801ce JS |
8621 | offset += bde.tus.f.bdeSize; |
8622 | } | |
546fc854 | 8623 | sgl->word2 = cpu_to_le32(sgl->word2); |
4f774513 JS |
8624 | bpl++; |
8625 | sgl++; | |
8626 | } | |
8627 | } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) { | |
8628 | /* The addrHigh and addrLow fields of the BDE have not | |
8629 | * been byteswapped yet so they need to be swapped | |
8630 | * before putting them in the sgl. | |
8631 | */ | |
8632 | sgl->addr_hi = | |
8633 | cpu_to_le32(icmd->un.genreq64.bdl.addrHigh); | |
8634 | sgl->addr_lo = | |
8635 | cpu_to_le32(icmd->un.genreq64.bdl.addrLow); | |
0558056c | 8636 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
8637 | bf_set(lpfc_sli4_sge_last, sgl, 1); |
8638 | sgl->word2 = cpu_to_le32(sgl->word2); | |
28baac74 JS |
8639 | sgl->sge_len = |
8640 | cpu_to_le32(icmd->un.genreq64.bdl.bdeSize); | |
4f774513 JS |
8641 | } |
8642 | return sglq->sli4_xritag; | |
3772a991 | 8643 | } |
92d7f7b0 | 8644 | |
e59058c4 | 8645 | /** |
4f774513 | 8646 | * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry. |
e59058c4 | 8647 | * @phba: Pointer to HBA context object. |
4f774513 JS |
8648 | * @piocb: Pointer to command iocb. |
8649 | * @wqe: Pointer to the work queue entry. | |
e59058c4 | 8650 | * |
4f774513 JS |
8651 | * This routine converts the iocb command to its Work Queue Entry |
8652 | * equivalent. The wqe pointer should not have any fields set when | |
8653 | * this routine is called because it will memcpy over them. | |
8654 | * This routine does not set the CQ_ID or the WQEC bits in the | |
8655 | * wqe. | |
e59058c4 | 8656 | * |
4f774513 | 8657 | * Returns: 0 = Success, IOCB_ERROR = Failure. |
e59058c4 | 8658 | **/ |
cf5bf97e | 8659 | static int |
4f774513 JS |
8660 | lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, |
8661 | union lpfc_wqe *wqe) | |
cf5bf97e | 8662 | { |
5ffc266e | 8663 | uint32_t xmit_len = 0, total_len = 0; |
4f774513 JS |
8664 | uint8_t ct = 0; |
8665 | uint32_t fip; | |
8666 | uint32_t abort_tag; | |
8667 | uint8_t command_type = ELS_COMMAND_NON_FIP; | |
8668 | uint8_t cmnd; | |
8669 | uint16_t xritag; | |
dcf2a4e0 JS |
8670 | uint16_t abrt_iotag; |
8671 | struct lpfc_iocbq *abrtiocbq; | |
4f774513 | 8672 | struct ulp_bde64 *bpl = NULL; |
f0d9bccc | 8673 | uint32_t els_id = LPFC_ELS_ID_DEFAULT; |
5ffc266e JS |
8674 | int numBdes, i; |
8675 | struct ulp_bde64 bde; | |
c31098ce | 8676 | struct lpfc_nodelist *ndlp; |
ff78d8f9 | 8677 | uint32_t *pcmd; |
1b51197d | 8678 | uint32_t if_type; |
4f774513 | 8679 | |
45ed1190 | 8680 | fip = phba->hba_flag & HBA_FIP_SUPPORT; |
4f774513 | 8681 | /* The fcp commands will set command type */ |
0c287589 | 8682 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
4f774513 | 8683 | command_type = FCP_COMMAND; |
c868595d | 8684 | else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)) |
0c287589 JS |
8685 | command_type = ELS_COMMAND_FIP; |
8686 | else | |
8687 | command_type = ELS_COMMAND_NON_FIP; | |
8688 | ||
b5c53958 JS |
8689 | if (phba->fcp_embed_io) |
8690 | memset(wqe, 0, sizeof(union lpfc_wqe128)); | |
4f774513 JS |
8691 | /* Some of the fields are in the right position already */ |
8692 | memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); | |
ae9e28f3 JS |
8693 | if (iocbq->iocb.ulpCommand != CMD_SEND_FRAME) { |
8694 | /* The ct field has moved so reset */ | |
8695 | wqe->generic.wqe_com.word7 = 0; | |
8696 | wqe->generic.wqe_com.word10 = 0; | |
8697 | } | |
b5c53958 JS |
8698 | |
8699 | abort_tag = (uint32_t) iocbq->iotag; | |
8700 | xritag = iocbq->sli4_xritag; | |
4f774513 JS |
8701 | /* words0-2 bpl convert bde */ |
8702 | if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { | |
5ffc266e JS |
8703 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / |
8704 | sizeof(struct ulp_bde64); | |
4f774513 JS |
8705 | bpl = (struct ulp_bde64 *) |
8706 | ((struct lpfc_dmabuf *)iocbq->context3)->virt; | |
8707 | if (!bpl) | |
8708 | return IOCB_ERROR; | |
cf5bf97e | 8709 | |
4f774513 JS |
8710 | /* Should already be byte swapped. */ |
8711 | wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh); | |
8712 | wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow); | |
8713 | /* swap the size field back to the cpu so we | |
8714 | * can assign it to the sgl. | |
8715 | */ | |
8716 | wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w); | |
5ffc266e JS |
8717 | xmit_len = wqe->generic.bde.tus.f.bdeSize; |
8718 | total_len = 0; | |
8719 | for (i = 0; i < numBdes; i++) { | |
8720 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
8721 | total_len += bde.tus.f.bdeSize; | |
8722 | } | |
4f774513 | 8723 | } else |
5ffc266e | 8724 | xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize; |
cf5bf97e | 8725 | |
4f774513 JS |
8726 | iocbq->iocb.ulpIoTag = iocbq->iotag; |
8727 | cmnd = iocbq->iocb.ulpCommand; | |
a4bc3379 | 8728 | |
4f774513 JS |
8729 | switch (iocbq->iocb.ulpCommand) { |
8730 | case CMD_ELS_REQUEST64_CR: | |
93d1379e JS |
8731 | if (iocbq->iocb_flag & LPFC_IO_LIBDFC) |
8732 | ndlp = iocbq->context_un.ndlp; | |
8733 | else | |
8734 | ndlp = (struct lpfc_nodelist *)iocbq->context1; | |
4f774513 JS |
8735 | if (!iocbq->iocb.ulpLe) { |
8736 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
8737 | "2007 Only Limited Edition cmd Format" | |
8738 | " supported 0x%x\n", | |
8739 | iocbq->iocb.ulpCommand); | |
8740 | return IOCB_ERROR; | |
8741 | } | |
ff78d8f9 | 8742 | |
5ffc266e | 8743 | wqe->els_req.payload_len = xmit_len; |
4f774513 JS |
8744 | /* Els_reguest64 has a TMO */ |
8745 | bf_set(wqe_tmo, &wqe->els_req.wqe_com, | |
8746 | iocbq->iocb.ulpTimeout); | |
8747 | /* Need a VF for word 4 set the vf bit*/ | |
8748 | bf_set(els_req64_vf, &wqe->els_req, 0); | |
8749 | /* And a VFID for word 12 */ | |
8750 | bf_set(els_req64_vfid, &wqe->els_req, 0); | |
4f774513 | 8751 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); |
f0d9bccc JS |
8752 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, |
8753 | iocbq->iocb.ulpContext); | |
8754 | bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); | |
8755 | bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); | |
4f774513 | 8756 | /* CCP CCPE PV PRI in word10 were set in the memcpy */ |
ff78d8f9 | 8757 | if (command_type == ELS_COMMAND_FIP) |
c868595d JS |
8758 | els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK) |
8759 | >> LPFC_FIP_ELS_ID_SHIFT); | |
ff78d8f9 JS |
8760 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
8761 | iocbq->context2)->virt); | |
1b51197d JS |
8762 | if_type = bf_get(lpfc_sli_intf_if_type, |
8763 | &phba->sli4_hba.sli_intf); | |
8764 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
ff78d8f9 | 8765 | if (pcmd && (*pcmd == ELS_CMD_FLOGI || |
cb69f7de | 8766 | *pcmd == ELS_CMD_SCR || |
6b5151fd | 8767 | *pcmd == ELS_CMD_FDISC || |
bdcd2b92 | 8768 | *pcmd == ELS_CMD_LOGO || |
ff78d8f9 JS |
8769 | *pcmd == ELS_CMD_PLOGI)) { |
8770 | bf_set(els_req64_sp, &wqe->els_req, 1); | |
8771 | bf_set(els_req64_sid, &wqe->els_req, | |
8772 | iocbq->vport->fc_myDID); | |
939723a4 JS |
8773 | if ((*pcmd == ELS_CMD_FLOGI) && |
8774 | !(phba->fc_topology == | |
8775 | LPFC_TOPOLOGY_LOOP)) | |
8776 | bf_set(els_req64_sid, &wqe->els_req, 0); | |
ff78d8f9 JS |
8777 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); |
8778 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
a7dd9c0f | 8779 | phba->vpi_ids[iocbq->vport->vpi]); |
3ef6d24c | 8780 | } else if (pcmd && iocbq->context1) { |
ff78d8f9 JS |
8781 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); |
8782 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
8783 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
8784 | } | |
c868595d | 8785 | } |
6d368e53 JS |
8786 | bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, |
8787 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
f0d9bccc JS |
8788 | bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); |
8789 | bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); | |
8790 | bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); | |
8791 | bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); | |
8792 | bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
8793 | bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); | |
af22741c | 8794 | wqe->els_req.max_response_payload_len = total_len - xmit_len; |
7851fe2c | 8795 | break; |
5ffc266e | 8796 | case CMD_XMIT_SEQUENCE64_CX: |
f0d9bccc JS |
8797 | bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, |
8798 | iocbq->iocb.un.ulpWord[3]); | |
8799 | bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, | |
7851fe2c | 8800 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
5ffc266e JS |
8801 | /* The entire sequence is transmitted for this IOCB */ |
8802 | xmit_len = total_len; | |
8803 | cmnd = CMD_XMIT_SEQUENCE64_CR; | |
1b51197d JS |
8804 | if (phba->link_flag & LS_LOOPBACK_MODE) |
8805 | bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); | |
4f774513 | 8806 | case CMD_XMIT_SEQUENCE64_CR: |
f0d9bccc JS |
8807 | /* word3 iocb=io_tag32 wqe=reserved */ |
8808 | wqe->xmit_sequence.rsvd3 = 0; | |
4f774513 JS |
8809 | /* word4 relative_offset memcpy */ |
8810 | /* word5 r_ctl/df_ctl memcpy */ | |
f0d9bccc JS |
8811 | bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); |
8812 | bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); | |
8813 | bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, | |
8814 | LPFC_WQE_IOD_WRITE); | |
8815 | bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, | |
8816 | LPFC_WQE_LENLOC_WORD12); | |
8817 | bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); | |
5ffc266e JS |
8818 | wqe->xmit_sequence.xmit_len = xmit_len; |
8819 | command_type = OTHER_COMMAND; | |
7851fe2c | 8820 | break; |
4f774513 | 8821 | case CMD_XMIT_BCAST64_CN: |
f0d9bccc JS |
8822 | /* word3 iocb=iotag32 wqe=seq_payload_len */ |
8823 | wqe->xmit_bcast64.seq_payload_len = xmit_len; | |
4f774513 JS |
8824 | /* word4 iocb=rsvd wqe=rsvd */ |
8825 | /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */ | |
8826 | /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */ | |
f0d9bccc | 8827 | bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com, |
4f774513 | 8828 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
f0d9bccc JS |
8829 | bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1); |
8830 | bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE); | |
8831 | bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, | |
8832 | LPFC_WQE_LENLOC_WORD3); | |
8833 | bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); | |
7851fe2c | 8834 | break; |
4f774513 JS |
8835 | case CMD_FCP_IWRITE64_CR: |
8836 | command_type = FCP_COMMAND_DATA_OUT; | |
f0d9bccc JS |
8837 | /* word3 iocb=iotag wqe=payload_offset_len */ |
8838 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
8839 | bf_set(payload_offset_len, &wqe->fcp_iwrite, |
8840 | xmit_len + sizeof(struct fcp_rsp)); | |
8841 | bf_set(cmd_buff_len, &wqe->fcp_iwrite, | |
8842 | 0); | |
f0d9bccc JS |
8843 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
8844 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
8845 | bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com, | |
8846 | iocbq->iocb.ulpFCP2Rcvy); | |
8847 | bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); | |
8848 | /* Always open the exchange */ | |
f0d9bccc JS |
8849 | bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); |
8850 | bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, | |
8851 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 8852 | bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 8853 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); |
1ba981fd JS |
8854 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
8855 | bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1); | |
c92c841c JS |
8856 | bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); |
8857 | if (iocbq->priority) { | |
8858 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, | |
8859 | (iocbq->priority << 1)); | |
8860 | } else { | |
1ba981fd JS |
8861 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, |
8862 | (phba->cfg_XLanePriority << 1)); | |
8863 | } | |
8864 | } | |
b5c53958 JS |
8865 | /* Note, word 10 is already initialized to 0 */ |
8866 | ||
8867 | if (phba->fcp_embed_io) { | |
8868 | struct lpfc_scsi_buf *lpfc_cmd; | |
8869 | struct sli4_sge *sgl; | |
8870 | union lpfc_wqe128 *wqe128; | |
8871 | struct fcp_cmnd *fcp_cmnd; | |
8872 | uint32_t *ptr; | |
8873 | ||
8874 | /* 128 byte wqe support here */ | |
8875 | wqe128 = (union lpfc_wqe128 *)wqe; | |
8876 | ||
8877 | lpfc_cmd = iocbq->context1; | |
8878 | sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; | |
8879 | fcp_cmnd = lpfc_cmd->fcp_cmnd; | |
8880 | ||
8881 | /* Word 0-2 - FCP_CMND */ | |
8882 | wqe128->generic.bde.tus.f.bdeFlags = | |
8883 | BUFF_TYPE_BDE_IMMED; | |
8884 | wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len; | |
8885 | wqe128->generic.bde.addrHigh = 0; | |
8886 | wqe128->generic.bde.addrLow = 88; /* Word 22 */ | |
8887 | ||
8888 | bf_set(wqe_wqes, &wqe128->fcp_iwrite.wqe_com, 1); | |
8889 | ||
8890 | /* Word 22-29 FCP CMND Payload */ | |
8891 | ptr = &wqe128->words[22]; | |
8892 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); | |
8893 | } | |
7851fe2c | 8894 | break; |
4f774513 | 8895 | case CMD_FCP_IREAD64_CR: |
f0d9bccc JS |
8896 | /* word3 iocb=iotag wqe=payload_offset_len */ |
8897 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
8898 | bf_set(payload_offset_len, &wqe->fcp_iread, |
8899 | xmit_len + sizeof(struct fcp_rsp)); | |
8900 | bf_set(cmd_buff_len, &wqe->fcp_iread, | |
8901 | 0); | |
f0d9bccc JS |
8902 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
8903 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
8904 | bf_set(wqe_erp, &wqe->fcp_iread.wqe_com, | |
8905 | iocbq->iocb.ulpFCP2Rcvy); | |
8906 | bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); | |
f1126688 | 8907 | /* Always open the exchange */ |
f0d9bccc JS |
8908 | bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); |
8909 | bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, | |
8910 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 8911 | bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 8912 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); |
1ba981fd JS |
8913 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
8914 | bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1); | |
c92c841c JS |
8915 | bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1); |
8916 | if (iocbq->priority) { | |
8917 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, | |
8918 | (iocbq->priority << 1)); | |
8919 | } else { | |
1ba981fd JS |
8920 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, |
8921 | (phba->cfg_XLanePriority << 1)); | |
8922 | } | |
8923 | } | |
b5c53958 JS |
8924 | /* Note, word 10 is already initialized to 0 */ |
8925 | ||
8926 | if (phba->fcp_embed_io) { | |
8927 | struct lpfc_scsi_buf *lpfc_cmd; | |
8928 | struct sli4_sge *sgl; | |
8929 | union lpfc_wqe128 *wqe128; | |
8930 | struct fcp_cmnd *fcp_cmnd; | |
8931 | uint32_t *ptr; | |
8932 | ||
8933 | /* 128 byte wqe support here */ | |
8934 | wqe128 = (union lpfc_wqe128 *)wqe; | |
8935 | ||
8936 | lpfc_cmd = iocbq->context1; | |
8937 | sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; | |
8938 | fcp_cmnd = lpfc_cmd->fcp_cmnd; | |
8939 | ||
8940 | /* Word 0-2 - FCP_CMND */ | |
8941 | wqe128->generic.bde.tus.f.bdeFlags = | |
8942 | BUFF_TYPE_BDE_IMMED; | |
8943 | wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len; | |
8944 | wqe128->generic.bde.addrHigh = 0; | |
8945 | wqe128->generic.bde.addrLow = 88; /* Word 22 */ | |
8946 | ||
8947 | bf_set(wqe_wqes, &wqe128->fcp_iread.wqe_com, 1); | |
8948 | ||
8949 | /* Word 22-29 FCP CMND Payload */ | |
8950 | ptr = &wqe128->words[22]; | |
8951 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); | |
8952 | } | |
7851fe2c | 8953 | break; |
4f774513 | 8954 | case CMD_FCP_ICMND64_CR: |
0ba4b219 JS |
8955 | /* word3 iocb=iotag wqe=payload_offset_len */ |
8956 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
8957 | bf_set(payload_offset_len, &wqe->fcp_icmd, | |
8958 | xmit_len + sizeof(struct fcp_rsp)); | |
8959 | bf_set(cmd_buff_len, &wqe->fcp_icmd, | |
8960 | 0); | |
f0d9bccc | 8961 | /* word3 iocb=IO_TAG wqe=reserved */ |
f0d9bccc | 8962 | bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0); |
4f774513 | 8963 | /* Always open the exchange */ |
f0d9bccc JS |
8964 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1); |
8965 | bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE); | |
8966 | bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1); | |
8967 | bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, | |
8968 | LPFC_WQE_LENLOC_NONE); | |
2a94aea4 JS |
8969 | bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, |
8970 | iocbq->iocb.ulpFCP2Rcvy); | |
1ba981fd JS |
8971 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
8972 | bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1); | |
c92c841c JS |
8973 | bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1); |
8974 | if (iocbq->priority) { | |
8975 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, | |
8976 | (iocbq->priority << 1)); | |
8977 | } else { | |
1ba981fd JS |
8978 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, |
8979 | (phba->cfg_XLanePriority << 1)); | |
8980 | } | |
8981 | } | |
b5c53958 JS |
8982 | /* Note, word 10 is already initialized to 0 */ |
8983 | ||
8984 | if (phba->fcp_embed_io) { | |
8985 | struct lpfc_scsi_buf *lpfc_cmd; | |
8986 | struct sli4_sge *sgl; | |
8987 | union lpfc_wqe128 *wqe128; | |
8988 | struct fcp_cmnd *fcp_cmnd; | |
8989 | uint32_t *ptr; | |
8990 | ||
8991 | /* 128 byte wqe support here */ | |
8992 | wqe128 = (union lpfc_wqe128 *)wqe; | |
8993 | ||
8994 | lpfc_cmd = iocbq->context1; | |
8995 | sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; | |
8996 | fcp_cmnd = lpfc_cmd->fcp_cmnd; | |
8997 | ||
8998 | /* Word 0-2 - FCP_CMND */ | |
8999 | wqe128->generic.bde.tus.f.bdeFlags = | |
9000 | BUFF_TYPE_BDE_IMMED; | |
9001 | wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len; | |
9002 | wqe128->generic.bde.addrHigh = 0; | |
9003 | wqe128->generic.bde.addrLow = 88; /* Word 22 */ | |
9004 | ||
9005 | bf_set(wqe_wqes, &wqe128->fcp_icmd.wqe_com, 1); | |
9006 | ||
9007 | /* Word 22-29 FCP CMND Payload */ | |
9008 | ptr = &wqe128->words[22]; | |
9009 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); | |
9010 | } | |
7851fe2c | 9011 | break; |
4f774513 | 9012 | case CMD_GEN_REQUEST64_CR: |
63e801ce JS |
9013 | /* For this command calculate the xmit length of the |
9014 | * request bde. | |
9015 | */ | |
9016 | xmit_len = 0; | |
9017 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / | |
9018 | sizeof(struct ulp_bde64); | |
9019 | for (i = 0; i < numBdes; i++) { | |
63e801ce | 9020 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); |
546fc854 JS |
9021 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) |
9022 | break; | |
63e801ce JS |
9023 | xmit_len += bde.tus.f.bdeSize; |
9024 | } | |
f0d9bccc JS |
9025 | /* word3 iocb=IO_TAG wqe=request_payload_len */ |
9026 | wqe->gen_req.request_payload_len = xmit_len; | |
9027 | /* word4 iocb=parameter wqe=relative_offset memcpy */ | |
9028 | /* word5 [rctl, type, df_ctl, la] copied in memcpy */ | |
4f774513 JS |
9029 | /* word6 context tag copied in memcpy */ |
9030 | if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) { | |
9031 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); | |
9032 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9033 | "2015 Invalid CT %x command 0x%x\n", | |
9034 | ct, iocbq->iocb.ulpCommand); | |
9035 | return IOCB_ERROR; | |
9036 | } | |
f0d9bccc JS |
9037 | bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0); |
9038 | bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout); | |
9039 | bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU); | |
9040 | bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); | |
9041 | bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); | |
9042 | bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); | |
9043 | bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9044 | bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); | |
af22741c | 9045 | wqe->gen_req.max_response_payload_len = total_len - xmit_len; |
4f774513 | 9046 | command_type = OTHER_COMMAND; |
7851fe2c | 9047 | break; |
4f774513 | 9048 | case CMD_XMIT_ELS_RSP64_CX: |
c31098ce | 9049 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
4f774513 | 9050 | /* words0-2 BDE memcpy */ |
f0d9bccc JS |
9051 | /* word3 iocb=iotag32 wqe=response_payload_len */ |
9052 | wqe->xmit_els_rsp.response_payload_len = xmit_len; | |
939723a4 JS |
9053 | /* word4 */ |
9054 | wqe->xmit_els_rsp.word4 = 0; | |
4f774513 JS |
9055 | /* word5 iocb=rsvd wge=did */ |
9056 | bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, | |
939723a4 JS |
9057 | iocbq->iocb.un.xseq64.xmit_els_remoteID); |
9058 | ||
9059 | if_type = bf_get(lpfc_sli_intf_if_type, | |
9060 | &phba->sli4_hba.sli_intf); | |
9061 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
9062 | if (iocbq->vport->fc_flag & FC_PT2PT) { | |
9063 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); | |
9064 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
9065 | iocbq->vport->fc_myDID); | |
9066 | if (iocbq->vport->fc_myDID == Fabric_DID) { | |
9067 | bf_set(wqe_els_did, | |
9068 | &wqe->xmit_els_rsp.wqe_dest, 0); | |
9069 | } | |
9070 | } | |
9071 | } | |
f0d9bccc JS |
9072 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, |
9073 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); | |
9074 | bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); | |
9075 | bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, | |
7851fe2c | 9076 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
4f774513 | 9077 | if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) |
f0d9bccc | 9078 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, |
6d368e53 | 9079 | phba->vpi_ids[iocbq->vport->vpi]); |
f0d9bccc JS |
9080 | bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); |
9081 | bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); | |
9082 | bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); | |
9083 | bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, | |
9084 | LPFC_WQE_LENLOC_WORD3); | |
9085 | bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); | |
6d368e53 JS |
9086 | bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, |
9087 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
ff78d8f9 JS |
9088 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9089 | iocbq->context2)->virt); | |
9090 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
939723a4 JS |
9091 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); |
9092 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
ff78d8f9 | 9093 | iocbq->vport->fc_myDID); |
939723a4 JS |
9094 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1); |
9095 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, | |
ff78d8f9 JS |
9096 | phba->vpi_ids[phba->pport->vpi]); |
9097 | } | |
4f774513 | 9098 | command_type = OTHER_COMMAND; |
7851fe2c | 9099 | break; |
4f774513 JS |
9100 | case CMD_CLOSE_XRI_CN: |
9101 | case CMD_ABORT_XRI_CN: | |
9102 | case CMD_ABORT_XRI_CX: | |
9103 | /* words 0-2 memcpy should be 0 rserved */ | |
9104 | /* port will send abts */ | |
dcf2a4e0 JS |
9105 | abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; |
9106 | if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { | |
9107 | abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; | |
9108 | fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK; | |
9109 | } else | |
9110 | fip = 0; | |
9111 | ||
9112 | if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip) | |
4f774513 | 9113 | /* |
dcf2a4e0 JS |
9114 | * The link is down, or the command was ELS_FIP |
9115 | * so the fw does not need to send abts | |
4f774513 JS |
9116 | * on the wire. |
9117 | */ | |
9118 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); | |
9119 | else | |
9120 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); | |
9121 | bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); | |
f0d9bccc JS |
9122 | /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */ |
9123 | wqe->abort_cmd.rsrvd5 = 0; | |
9124 | bf_set(wqe_ct, &wqe->abort_cmd.wqe_com, | |
4f774513 JS |
9125 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
9126 | abort_tag = iocbq->iocb.un.acxri.abortIoTag; | |
4f774513 JS |
9127 | /* |
9128 | * The abort handler will send us CMD_ABORT_XRI_CN or | |
9129 | * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX | |
9130 | */ | |
f0d9bccc JS |
9131 | bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); |
9132 | bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); | |
9133 | bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com, | |
9134 | LPFC_WQE_LENLOC_NONE); | |
4f774513 JS |
9135 | cmnd = CMD_ABORT_XRI_CX; |
9136 | command_type = OTHER_COMMAND; | |
9137 | xritag = 0; | |
7851fe2c | 9138 | break; |
6669f9bb | 9139 | case CMD_XMIT_BLS_RSP64_CX: |
6b5151fd | 9140 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
546fc854 | 9141 | /* As BLS ABTS RSP WQE is very different from other WQEs, |
6669f9bb JS |
9142 | * we re-construct this WQE here based on information in |
9143 | * iocbq from scratch. | |
9144 | */ | |
9145 | memset(wqe, 0, sizeof(union lpfc_wqe)); | |
5ffc266e | 9146 | /* OX_ID is invariable to who sent ABTS to CT exchange */ |
6669f9bb | 9147 | bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp, |
546fc854 JS |
9148 | bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp)); |
9149 | if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) == | |
5ffc266e JS |
9150 | LPFC_ABTS_UNSOL_INT) { |
9151 | /* ABTS sent by initiator to CT exchange, the | |
9152 | * RX_ID field will be filled with the newly | |
9153 | * allocated responder XRI. | |
9154 | */ | |
9155 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
9156 | iocbq->sli4_xritag); | |
9157 | } else { | |
9158 | /* ABTS sent by responder to CT exchange, the | |
9159 | * RX_ID field will be filled with the responder | |
9160 | * RX_ID from ABTS. | |
9161 | */ | |
9162 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
546fc854 | 9163 | bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp)); |
5ffc266e | 9164 | } |
6669f9bb JS |
9165 | bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); |
9166 | bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); | |
6b5151fd JS |
9167 | |
9168 | /* Use CT=VPI */ | |
9169 | bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, | |
9170 | ndlp->nlp_DID); | |
9171 | bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, | |
9172 | iocbq->iocb.ulpContext); | |
9173 | bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); | |
6669f9bb | 9174 | bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, |
6b5151fd | 9175 | phba->vpi_ids[phba->pport->vpi]); |
f0d9bccc JS |
9176 | bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); |
9177 | bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, | |
9178 | LPFC_WQE_LENLOC_NONE); | |
6669f9bb JS |
9179 | /* Overwrite the pre-set comnd type with OTHER_COMMAND */ |
9180 | command_type = OTHER_COMMAND; | |
546fc854 JS |
9181 | if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) { |
9182 | bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp, | |
9183 | bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp)); | |
9184 | bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp, | |
9185 | bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp)); | |
9186 | bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp, | |
9187 | bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); | |
9188 | } | |
9189 | ||
7851fe2c | 9190 | break; |
ae9e28f3 JS |
9191 | case CMD_SEND_FRAME: |
9192 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); | |
9193 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9194 | return 0; | |
4f774513 JS |
9195 | case CMD_XRI_ABORTED_CX: |
9196 | case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ | |
4f774513 JS |
9197 | case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ |
9198 | case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */ | |
9199 | case CMD_FCP_TRSP64_CX: /* Target mode rcv */ | |
9200 | case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */ | |
9201 | default: | |
9202 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9203 | "2014 Invalid command 0x%x\n", | |
9204 | iocbq->iocb.ulpCommand); | |
9205 | return IOCB_ERROR; | |
7851fe2c | 9206 | break; |
4f774513 | 9207 | } |
6d368e53 | 9208 | |
8012cc38 JS |
9209 | if (iocbq->iocb_flag & LPFC_IO_DIF_PASS) |
9210 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); | |
9211 | else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP) | |
9212 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); | |
9213 | else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT) | |
9214 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); | |
9215 | iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | | |
9216 | LPFC_IO_DIF_INSERT); | |
f0d9bccc JS |
9217 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
9218 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9219 | wqe->generic.wqe_com.abort_tag = abort_tag; | |
9220 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); | |
9221 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd); | |
9222 | bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass); | |
9223 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
4f774513 JS |
9224 | return 0; |
9225 | } | |
9226 | ||
9227 | /** | |
9228 | * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb | |
9229 | * @phba: Pointer to HBA context object. | |
9230 | * @ring_number: SLI ring number to issue iocb on. | |
9231 | * @piocb: Pointer to command iocb. | |
9232 | * @flag: Flag indicating if this command can be put into txq. | |
9233 | * | |
9234 | * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue | |
9235 | * an iocb command to an HBA with SLI-4 interface spec. | |
9236 | * | |
9237 | * This function is called with hbalock held. The function will return success | |
9238 | * after it successfully submit the iocb to firmware or after adding to the | |
9239 | * txq. | |
9240 | **/ | |
9241 | static int | |
9242 | __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, | |
9243 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9244 | { | |
9245 | struct lpfc_sglq *sglq; | |
b5c53958 JS |
9246 | union lpfc_wqe *wqe; |
9247 | union lpfc_wqe128 wqe128; | |
1ba981fd | 9248 | struct lpfc_queue *wq; |
895427bd | 9249 | struct lpfc_sli_ring *pring; |
4f774513 | 9250 | |
895427bd JS |
9251 | /* Get the WQ */ |
9252 | if ((piocb->iocb_flag & LPFC_IO_FCP) || | |
9253 | (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
9254 | if (!phba->cfg_fof || (!(piocb->iocb_flag & LPFC_IO_OAS))) | |
9255 | wq = phba->sli4_hba.fcp_wq[piocb->hba_wqidx]; | |
9256 | else | |
9257 | wq = phba->sli4_hba.oas_wq; | |
9258 | } else { | |
9259 | wq = phba->sli4_hba.els_wq; | |
9260 | } | |
9261 | ||
9262 | /* Get corresponding ring */ | |
9263 | pring = wq->pring; | |
1c2ba475 | 9264 | |
b5c53958 JS |
9265 | /* |
9266 | * The WQE can be either 64 or 128 bytes, | |
9267 | * so allocate space on the stack assuming the largest. | |
9268 | */ | |
9269 | wqe = (union lpfc_wqe *)&wqe128; | |
9270 | ||
895427bd JS |
9271 | lockdep_assert_held(&phba->hbalock); |
9272 | ||
4f774513 JS |
9273 | if (piocb->sli4_xritag == NO_XRI) { |
9274 | if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
6b5151fd | 9275 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
4f774513 JS |
9276 | sglq = NULL; |
9277 | else { | |
0e9bb8d7 | 9278 | if (!list_empty(&pring->txq)) { |
2a9bf3d0 JS |
9279 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
9280 | __lpfc_sli_ringtx_put(phba, | |
9281 | pring, piocb); | |
9282 | return IOCB_SUCCESS; | |
9283 | } else { | |
9284 | return IOCB_BUSY; | |
9285 | } | |
9286 | } else { | |
895427bd | 9287 | sglq = __lpfc_sli_get_els_sglq(phba, piocb); |
2a9bf3d0 JS |
9288 | if (!sglq) { |
9289 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
9290 | __lpfc_sli_ringtx_put(phba, | |
9291 | pring, | |
9292 | piocb); | |
9293 | return IOCB_SUCCESS; | |
9294 | } else | |
9295 | return IOCB_BUSY; | |
9296 | } | |
9297 | } | |
4f774513 | 9298 | } |
2ea259ee | 9299 | } else if (piocb->iocb_flag & LPFC_IO_FCP) |
6d368e53 JS |
9300 | /* These IO's already have an XRI and a mapped sgl. */ |
9301 | sglq = NULL; | |
2ea259ee | 9302 | else { |
6d368e53 JS |
9303 | /* |
9304 | * This is a continuation of a commandi,(CX) so this | |
4f774513 JS |
9305 | * sglq is on the active list |
9306 | */ | |
edccdc17 | 9307 | sglq = __lpfc_get_active_sglq(phba, piocb->sli4_lxritag); |
4f774513 JS |
9308 | if (!sglq) |
9309 | return IOCB_ERROR; | |
9310 | } | |
9311 | ||
9312 | if (sglq) { | |
6d368e53 | 9313 | piocb->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 | 9314 | piocb->sli4_xritag = sglq->sli4_xritag; |
2a9bf3d0 | 9315 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq)) |
4f774513 JS |
9316 | return IOCB_ERROR; |
9317 | } | |
9318 | ||
b5c53958 | 9319 | if (lpfc_sli4_iocb2wqe(phba, piocb, wqe)) |
4f774513 JS |
9320 | return IOCB_ERROR; |
9321 | ||
895427bd JS |
9322 | if (lpfc_sli4_wq_put(wq, wqe)) |
9323 | return IOCB_ERROR; | |
4f774513 JS |
9324 | lpfc_sli_ringtxcmpl_put(phba, pring, piocb); |
9325 | ||
9326 | return 0; | |
9327 | } | |
9328 | ||
9329 | /** | |
9330 | * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb | |
9331 | * | |
9332 | * This routine wraps the actual lockless version for issusing IOCB function | |
9333 | * pointer from the lpfc_hba struct. | |
9334 | * | |
9335 | * Return codes: | |
b5c53958 JS |
9336 | * IOCB_ERROR - Error |
9337 | * IOCB_SUCCESS - Success | |
9338 | * IOCB_BUSY - Busy | |
4f774513 | 9339 | **/ |
2a9bf3d0 | 9340 | int |
4f774513 JS |
9341 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, |
9342 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9343 | { | |
9344 | return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
9345 | } | |
9346 | ||
9347 | /** | |
25985edc | 9348 | * lpfc_sli_api_table_setup - Set up sli api function jump table |
4f774513 JS |
9349 | * @phba: The hba struct for which this call is being executed. |
9350 | * @dev_grp: The HBA PCI-Device group number. | |
9351 | * | |
9352 | * This routine sets up the SLI interface API function jump table in @phba | |
9353 | * struct. | |
9354 | * Returns: 0 - success, -ENODEV - failure. | |
9355 | **/ | |
9356 | int | |
9357 | lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
9358 | { | |
9359 | ||
9360 | switch (dev_grp) { | |
9361 | case LPFC_PCI_DEV_LP: | |
9362 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3; | |
9363 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; | |
9364 | break; | |
9365 | case LPFC_PCI_DEV_OC: | |
9366 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; | |
9367 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; | |
9368 | break; | |
9369 | default: | |
9370 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9371 | "1419 Invalid HBA PCI-device group: 0x%x\n", | |
9372 | dev_grp); | |
9373 | return -ENODEV; | |
9374 | break; | |
9375 | } | |
9376 | phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq; | |
9377 | return 0; | |
9378 | } | |
9379 | ||
a1efe163 | 9380 | /** |
895427bd | 9381 | * lpfc_sli4_calc_ring - Calculates which ring to use |
a1efe163 | 9382 | * @phba: Pointer to HBA context object. |
a1efe163 JS |
9383 | * @piocb: Pointer to command iocb. |
9384 | * | |
895427bd JS |
9385 | * For SLI4 only, FCP IO can deferred to one fo many WQs, based on |
9386 | * hba_wqidx, thus we need to calculate the corresponding ring. | |
a1efe163 | 9387 | * Since ABORTS must go on the same WQ of the command they are |
895427bd | 9388 | * aborting, we use command's hba_wqidx. |
a1efe163 | 9389 | */ |
895427bd JS |
9390 | struct lpfc_sli_ring * |
9391 | lpfc_sli4_calc_ring(struct lpfc_hba *phba, struct lpfc_iocbq *piocb) | |
9bd2bff5 | 9392 | { |
895427bd | 9393 | if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) { |
8b0dff14 | 9394 | if (!(phba->cfg_fof) || |
895427bd | 9395 | (!(piocb->iocb_flag & LPFC_IO_FOF))) { |
8b0dff14 | 9396 | if (unlikely(!phba->sli4_hba.fcp_wq)) |
895427bd | 9397 | return NULL; |
8b0dff14 | 9398 | /* |
895427bd | 9399 | * for abort iocb hba_wqidx should already |
8b0dff14 JS |
9400 | * be setup based on what work queue we used. |
9401 | */ | |
9402 | if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX)) | |
895427bd | 9403 | piocb->hba_wqidx = |
8b0dff14 JS |
9404 | lpfc_sli4_scmd_to_wqidx_distr(phba, |
9405 | piocb->context1); | |
895427bd | 9406 | return phba->sli4_hba.fcp_wq[piocb->hba_wqidx]->pring; |
8b0dff14 JS |
9407 | } else { |
9408 | if (unlikely(!phba->sli4_hba.oas_wq)) | |
895427bd JS |
9409 | return NULL; |
9410 | piocb->hba_wqidx = 0; | |
9411 | return phba->sli4_hba.oas_wq->pring; | |
9bd2bff5 | 9412 | } |
895427bd JS |
9413 | } else { |
9414 | if (unlikely(!phba->sli4_hba.els_wq)) | |
9415 | return NULL; | |
9416 | piocb->hba_wqidx = 0; | |
9417 | return phba->sli4_hba.els_wq->pring; | |
9bd2bff5 | 9418 | } |
9bd2bff5 JS |
9419 | } |
9420 | ||
4f774513 JS |
9421 | /** |
9422 | * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb | |
9423 | * @phba: Pointer to HBA context object. | |
9424 | * @pring: Pointer to driver SLI ring object. | |
9425 | * @piocb: Pointer to command iocb. | |
9426 | * @flag: Flag indicating if this command can be put into txq. | |
9427 | * | |
9428 | * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb | |
9429 | * function. This function gets the hbalock and calls | |
9430 | * __lpfc_sli_issue_iocb function and will return the error returned | |
9431 | * by __lpfc_sli_issue_iocb function. This wrapper is used by | |
9432 | * functions which do not hold hbalock. | |
9433 | **/ | |
9434 | int | |
9435 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, | |
9436 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9437 | { | |
895427bd | 9438 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
2a76a283 | 9439 | struct lpfc_sli_ring *pring; |
ba20c853 JS |
9440 | struct lpfc_queue *fpeq; |
9441 | struct lpfc_eqe *eqe; | |
4f774513 | 9442 | unsigned long iflags; |
2a76a283 | 9443 | int rc, idx; |
4f774513 | 9444 | |
7e56aa25 | 9445 | if (phba->sli_rev == LPFC_SLI_REV4) { |
895427bd JS |
9446 | pring = lpfc_sli4_calc_ring(phba, piocb); |
9447 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 9448 | return IOCB_ERROR; |
ba20c853 | 9449 | |
9bd2bff5 JS |
9450 | spin_lock_irqsave(&pring->ring_lock, iflags); |
9451 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
9452 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
ba20c853 | 9453 | |
9bd2bff5 | 9454 | if (lpfc_fcp_look_ahead && (piocb->iocb_flag & LPFC_IO_FCP)) { |
895427bd JS |
9455 | idx = piocb->hba_wqidx; |
9456 | hba_eq_hdl = &phba->sli4_hba.hba_eq_hdl[idx]; | |
4f774513 | 9457 | |
895427bd | 9458 | if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use)) { |
ba20c853 | 9459 | |
9bd2bff5 JS |
9460 | /* Get associated EQ with this index */ |
9461 | fpeq = phba->sli4_hba.hba_eq[idx]; | |
ba20c853 | 9462 | |
9bd2bff5 JS |
9463 | /* Turn off interrupts from this EQ */ |
9464 | lpfc_sli4_eq_clr_intr(fpeq); | |
ba20c853 | 9465 | |
9bd2bff5 JS |
9466 | /* |
9467 | * Process all the events on FCP EQ | |
9468 | */ | |
9469 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
9470 | lpfc_sli4_hba_handle_eqe(phba, | |
9471 | eqe, idx); | |
9472 | fpeq->EQ_processed++; | |
ba20c853 | 9473 | } |
ba20c853 | 9474 | |
9bd2bff5 JS |
9475 | /* Always clear and re-arm the EQ */ |
9476 | lpfc_sli4_eq_release(fpeq, | |
9477 | LPFC_QUEUE_REARM); | |
9478 | } | |
895427bd | 9479 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
2a76a283 | 9480 | } |
7e56aa25 JS |
9481 | } else { |
9482 | /* For now, SLI2/3 will still use hbalock */ | |
9483 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9484 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
9485 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9486 | } | |
4f774513 JS |
9487 | return rc; |
9488 | } | |
9489 | ||
9490 | /** | |
9491 | * lpfc_extra_ring_setup - Extra ring setup function | |
9492 | * @phba: Pointer to HBA context object. | |
9493 | * | |
9494 | * This function is called while driver attaches with the | |
9495 | * HBA to setup the extra ring. The extra ring is used | |
9496 | * only when driver needs to support target mode functionality | |
9497 | * or IP over FC functionalities. | |
9498 | * | |
895427bd | 9499 | * This function is called with no lock held. SLI3 only. |
4f774513 JS |
9500 | **/ |
9501 | static int | |
9502 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
9503 | { | |
9504 | struct lpfc_sli *psli; | |
9505 | struct lpfc_sli_ring *pring; | |
9506 | ||
9507 | psli = &phba->sli; | |
9508 | ||
9509 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
9510 | ||
9511 | /* Take some away from the FCP ring */ | |
895427bd | 9512 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
7e56aa25 JS |
9513 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
9514 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
9515 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
9516 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e | 9517 | |
a4bc3379 | 9518 | /* and give them to the extra ring */ |
895427bd | 9519 | pring = &psli->sli3_ring[LPFC_EXTRA_RING]; |
a4bc3379 | 9520 | |
7e56aa25 JS |
9521 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
9522 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
9523 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
9524 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e JW |
9525 | |
9526 | /* Setup default profile for this ring */ | |
9527 | pring->iotag_max = 4096; | |
9528 | pring->num_mask = 1; | |
9529 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
9530 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
9531 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
9532 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
9533 | return 0; | |
9534 | } | |
9535 | ||
cb69f7de JS |
9536 | /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port. |
9537 | * @phba: Pointer to HBA context object. | |
9538 | * @iocbq: Pointer to iocb object. | |
9539 | * | |
9540 | * The async_event handler calls this routine when it receives | |
9541 | * an ASYNC_STATUS_CN event from the port. The port generates | |
9542 | * this event when an Abort Sequence request to an rport fails | |
9543 | * twice in succession. The abort could be originated by the | |
9544 | * driver or by the port. The ABTS could have been for an ELS | |
9545 | * or FCP IO. The port only generates this event when an ABTS | |
9546 | * fails to complete after one retry. | |
9547 | */ | |
9548 | static void | |
9549 | lpfc_sli_abts_err_handler(struct lpfc_hba *phba, | |
9550 | struct lpfc_iocbq *iocbq) | |
9551 | { | |
9552 | struct lpfc_nodelist *ndlp = NULL; | |
9553 | uint16_t rpi = 0, vpi = 0; | |
9554 | struct lpfc_vport *vport = NULL; | |
9555 | ||
9556 | /* The rpi in the ulpContext is vport-sensitive. */ | |
9557 | vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag; | |
9558 | rpi = iocbq->iocb.ulpContext; | |
9559 | ||
9560 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
9561 | "3092 Port generated ABTS async event " | |
9562 | "on vpi %d rpi %d status 0x%x\n", | |
9563 | vpi, rpi, iocbq->iocb.ulpStatus); | |
9564 | ||
9565 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
9566 | if (!vport) | |
9567 | goto err_exit; | |
9568 | ndlp = lpfc_findnode_rpi(vport, rpi); | |
9569 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
9570 | goto err_exit; | |
9571 | ||
9572 | if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT) | |
9573 | lpfc_sli_abts_recover_port(vport, ndlp); | |
9574 | return; | |
9575 | ||
9576 | err_exit: | |
9577 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
9578 | "3095 Event Context not found, no " | |
9579 | "action on vpi %d rpi %d status 0x%x, reason 0x%x\n", | |
9580 | iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus, | |
9581 | vpi, rpi); | |
9582 | } | |
9583 | ||
9584 | /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port. | |
9585 | * @phba: pointer to HBA context object. | |
9586 | * @ndlp: nodelist pointer for the impacted rport. | |
9587 | * @axri: pointer to the wcqe containing the failed exchange. | |
9588 | * | |
9589 | * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the | |
9590 | * port. The port generates this event when an abort exchange request to an | |
9591 | * rport fails twice in succession with no reply. The abort could be originated | |
9592 | * by the driver or by the port. The ABTS could have been for an ELS or FCP IO. | |
9593 | */ | |
9594 | void | |
9595 | lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, | |
9596 | struct lpfc_nodelist *ndlp, | |
9597 | struct sli4_wcqe_xri_aborted *axri) | |
9598 | { | |
9599 | struct lpfc_vport *vport; | |
5c1db2ac | 9600 | uint32_t ext_status = 0; |
cb69f7de | 9601 | |
6b5151fd | 9602 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
cb69f7de JS |
9603 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
9604 | "3115 Node Context not found, driver " | |
9605 | "ignoring abts err event\n"); | |
6b5151fd JS |
9606 | return; |
9607 | } | |
9608 | ||
cb69f7de JS |
9609 | vport = ndlp->vport; |
9610 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
9611 | "3116 Port generated FCP XRI ABORT event on " | |
5c1db2ac | 9612 | "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", |
8e668af5 | 9613 | ndlp->vport->vpi, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], |
cb69f7de | 9614 | bf_get(lpfc_wcqe_xa_xri, axri), |
5c1db2ac JS |
9615 | bf_get(lpfc_wcqe_xa_status, axri), |
9616 | axri->parameter); | |
cb69f7de | 9617 | |
5c1db2ac JS |
9618 | /* |
9619 | * Catch the ABTS protocol failure case. Older OCe FW releases returned | |
9620 | * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and | |
9621 | * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. | |
9622 | */ | |
e3d2b802 | 9623 | ext_status = axri->parameter & IOERR_PARAM_MASK; |
5c1db2ac JS |
9624 | if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && |
9625 | ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) | |
cb69f7de JS |
9626 | lpfc_sli_abts_recover_port(vport, ndlp); |
9627 | } | |
9628 | ||
e59058c4 | 9629 | /** |
3621a710 | 9630 | * lpfc_sli_async_event_handler - ASYNC iocb handler function |
e59058c4 JS |
9631 | * @phba: Pointer to HBA context object. |
9632 | * @pring: Pointer to driver SLI ring object. | |
9633 | * @iocbq: Pointer to iocb object. | |
9634 | * | |
9635 | * This function is called by the slow ring event handler | |
9636 | * function when there is an ASYNC event iocb in the ring. | |
9637 | * This function is called with no lock held. | |
9638 | * Currently this function handles only temperature related | |
9639 | * ASYNC events. The function decodes the temperature sensor | |
9640 | * event message and posts events for the management applications. | |
9641 | **/ | |
98c9ea5c | 9642 | static void |
57127f15 JS |
9643 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
9644 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
9645 | { | |
9646 | IOCB_t *icmd; | |
9647 | uint16_t evt_code; | |
57127f15 JS |
9648 | struct temp_event temp_event_data; |
9649 | struct Scsi_Host *shost; | |
a257bf90 | 9650 | uint32_t *iocb_w; |
57127f15 JS |
9651 | |
9652 | icmd = &iocbq->iocb; | |
9653 | evt_code = icmd->un.asyncstat.evt_code; | |
57127f15 | 9654 | |
cb69f7de JS |
9655 | switch (evt_code) { |
9656 | case ASYNC_TEMP_WARN: | |
9657 | case ASYNC_TEMP_SAFE: | |
9658 | temp_event_data.data = (uint32_t) icmd->ulpContext; | |
9659 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
9660 | if (evt_code == ASYNC_TEMP_WARN) { | |
9661 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
9662 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
9663 | "0347 Adapter is very hot, please take " | |
9664 | "corrective action. temperature : %d Celsius\n", | |
9665 | (uint32_t) icmd->ulpContext); | |
9666 | } else { | |
9667 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
9668 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
9669 | "0340 Adapter temperature is OK now. " | |
9670 | "temperature : %d Celsius\n", | |
9671 | (uint32_t) icmd->ulpContext); | |
9672 | } | |
9673 | ||
9674 | /* Send temperature change event to applications */ | |
9675 | shost = lpfc_shost_from_vport(phba->pport); | |
9676 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
9677 | sizeof(temp_event_data), (char *) &temp_event_data, | |
9678 | LPFC_NL_VENDOR_ID); | |
9679 | break; | |
9680 | case ASYNC_STATUS_CN: | |
9681 | lpfc_sli_abts_err_handler(phba, iocbq); | |
9682 | break; | |
9683 | default: | |
a257bf90 | 9684 | iocb_w = (uint32_t *) icmd; |
cb69f7de | 9685 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
76bb24ef | 9686 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
e4e74273 | 9687 | " evt_code 0x%x\n" |
a257bf90 JS |
9688 | "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" |
9689 | "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" | |
9690 | "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" | |
9691 | "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", | |
cb69f7de | 9692 | pring->ringno, icmd->un.asyncstat.evt_code, |
a257bf90 JS |
9693 | iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], |
9694 | iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], | |
9695 | iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], | |
9696 | iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); | |
9697 | ||
cb69f7de | 9698 | break; |
57127f15 | 9699 | } |
57127f15 JS |
9700 | } |
9701 | ||
9702 | ||
e59058c4 | 9703 | /** |
895427bd | 9704 | * lpfc_sli4_setup - SLI ring setup function |
e59058c4 JS |
9705 | * @phba: Pointer to HBA context object. |
9706 | * | |
9707 | * lpfc_sli_setup sets up rings of the SLI interface with | |
9708 | * number of iocbs per ring and iotags. This function is | |
9709 | * called while driver attach to the HBA and before the | |
9710 | * interrupts are enabled. So there is no need for locking. | |
9711 | * | |
9712 | * This function always returns 0. | |
9713 | **/ | |
dea3101e | 9714 | int |
895427bd JS |
9715 | lpfc_sli4_setup(struct lpfc_hba *phba) |
9716 | { | |
9717 | struct lpfc_sli_ring *pring; | |
9718 | ||
9719 | pring = phba->sli4_hba.els_wq->pring; | |
9720 | pring->num_mask = LPFC_MAX_RING_MASK; | |
9721 | pring->prt[0].profile = 0; /* Mask 0 */ | |
9722 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; | |
9723 | pring->prt[0].type = FC_TYPE_ELS; | |
9724 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
9725 | lpfc_els_unsol_event; | |
9726 | pring->prt[1].profile = 0; /* Mask 1 */ | |
9727 | pring->prt[1].rctl = FC_RCTL_ELS_REP; | |
9728 | pring->prt[1].type = FC_TYPE_ELS; | |
9729 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
9730 | lpfc_els_unsol_event; | |
9731 | pring->prt[2].profile = 0; /* Mask 2 */ | |
9732 | /* NameServer Inquiry */ | |
9733 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; | |
9734 | /* NameServer */ | |
9735 | pring->prt[2].type = FC_TYPE_CT; | |
9736 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
9737 | lpfc_ct_unsol_event; | |
9738 | pring->prt[3].profile = 0; /* Mask 3 */ | |
9739 | /* NameServer response */ | |
9740 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; | |
9741 | /* NameServer */ | |
9742 | pring->prt[3].type = FC_TYPE_CT; | |
9743 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
9744 | lpfc_ct_unsol_event; | |
9745 | return 0; | |
9746 | } | |
9747 | ||
9748 | /** | |
9749 | * lpfc_sli_setup - SLI ring setup function | |
9750 | * @phba: Pointer to HBA context object. | |
9751 | * | |
9752 | * lpfc_sli_setup sets up rings of the SLI interface with | |
9753 | * number of iocbs per ring and iotags. This function is | |
9754 | * called while driver attach to the HBA and before the | |
9755 | * interrupts are enabled. So there is no need for locking. | |
9756 | * | |
9757 | * This function always returns 0. SLI3 only. | |
9758 | **/ | |
9759 | int | |
dea3101e JB |
9760 | lpfc_sli_setup(struct lpfc_hba *phba) |
9761 | { | |
ed957684 | 9762 | int i, totiocbsize = 0; |
dea3101e JB |
9763 | struct lpfc_sli *psli = &phba->sli; |
9764 | struct lpfc_sli_ring *pring; | |
9765 | ||
2a76a283 | 9766 | psli->num_rings = MAX_SLI3_CONFIGURED_RINGS; |
dea3101e | 9767 | psli->sli_flag = 0; |
dea3101e | 9768 | |
604a3e30 JB |
9769 | psli->iocbq_lookup = NULL; |
9770 | psli->iocbq_lookup_len = 0; | |
9771 | psli->last_iotag = 0; | |
9772 | ||
dea3101e | 9773 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 9774 | pring = &psli->sli3_ring[i]; |
dea3101e JB |
9775 | switch (i) { |
9776 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
9777 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
9778 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
9779 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
9780 | pring->sli.sli3.numCiocb += | |
9781 | SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
9782 | pring->sli.sli3.numRiocb += | |
9783 | SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
9784 | pring->sli.sli3.numCiocb += | |
9785 | SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
9786 | pring->sli.sli3.numRiocb += | |
9787 | SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
9788 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
9789 | SLI3_IOCB_CMD_SIZE : |
9790 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 9791 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
9792 | SLI3_IOCB_RSP_SIZE : |
9793 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
9794 | pring->iotag_ctr = 0; |
9795 | pring->iotag_max = | |
92d7f7b0 | 9796 | (phba->cfg_hba_queue_depth * 2); |
dea3101e JB |
9797 | pring->fast_iotag = pring->iotag_max; |
9798 | pring->num_mask = 0; | |
9799 | break; | |
a4bc3379 | 9800 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e | 9801 | /* numCiocb and numRiocb are used in config_port */ |
7e56aa25 JS |
9802 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
9803 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
9804 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
9805 | SLI3_IOCB_CMD_SIZE : |
9806 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 9807 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
9808 | SLI3_IOCB_RSP_SIZE : |
9809 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 9810 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e JB |
9811 | pring->num_mask = 0; |
9812 | break; | |
9813 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
9814 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
9815 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
9816 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
9817 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
9818 | SLI3_IOCB_CMD_SIZE : |
9819 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 9820 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
9821 | SLI3_IOCB_RSP_SIZE : |
9822 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
9823 | pring->fast_iotag = 0; |
9824 | pring->iotag_ctr = 0; | |
9825 | pring->iotag_max = 4096; | |
57127f15 JS |
9826 | pring->lpfc_sli_rcv_async_status = |
9827 | lpfc_sli_async_event_handler; | |
6669f9bb | 9828 | pring->num_mask = LPFC_MAX_RING_MASK; |
dea3101e | 9829 | pring->prt[0].profile = 0; /* Mask 0 */ |
6a9c52cf JS |
9830 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; |
9831 | pring->prt[0].type = FC_TYPE_ELS; | |
dea3101e | 9832 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9833 | lpfc_els_unsol_event; |
dea3101e | 9834 | pring->prt[1].profile = 0; /* Mask 1 */ |
6a9c52cf JS |
9835 | pring->prt[1].rctl = FC_RCTL_ELS_REP; |
9836 | pring->prt[1].type = FC_TYPE_ELS; | |
dea3101e | 9837 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9838 | lpfc_els_unsol_event; |
dea3101e JB |
9839 | pring->prt[2].profile = 0; /* Mask 2 */ |
9840 | /* NameServer Inquiry */ | |
6a9c52cf | 9841 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; |
dea3101e | 9842 | /* NameServer */ |
6a9c52cf | 9843 | pring->prt[2].type = FC_TYPE_CT; |
dea3101e | 9844 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9845 | lpfc_ct_unsol_event; |
dea3101e JB |
9846 | pring->prt[3].profile = 0; /* Mask 3 */ |
9847 | /* NameServer response */ | |
6a9c52cf | 9848 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; |
dea3101e | 9849 | /* NameServer */ |
6a9c52cf | 9850 | pring->prt[3].type = FC_TYPE_CT; |
dea3101e | 9851 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9852 | lpfc_ct_unsol_event; |
dea3101e JB |
9853 | break; |
9854 | } | |
7e56aa25 JS |
9855 | totiocbsize += (pring->sli.sli3.numCiocb * |
9856 | pring->sli.sli3.sizeCiocb) + | |
9857 | (pring->sli.sli3.numRiocb * pring->sli.sli3.sizeRiocb); | |
dea3101e | 9858 | } |
ed957684 | 9859 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 9860 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
9861 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
9862 | "SLI2 SLIM Data: x%x x%lx\n", | |
9863 | phba->brd_no, totiocbsize, | |
9864 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 9865 | } |
cf5bf97e JW |
9866 | if (phba->cfg_multi_ring_support == 2) |
9867 | lpfc_extra_ring_setup(phba); | |
dea3101e JB |
9868 | |
9869 | return 0; | |
9870 | } | |
9871 | ||
e59058c4 | 9872 | /** |
895427bd | 9873 | * lpfc_sli4_queue_init - Queue initialization function |
e59058c4 JS |
9874 | * @phba: Pointer to HBA context object. |
9875 | * | |
895427bd | 9876 | * lpfc_sli4_queue_init sets up mailbox queues and iocb queues for each |
e59058c4 JS |
9877 | * ring. This function also initializes ring indices of each ring. |
9878 | * This function is called during the initialization of the SLI | |
9879 | * interface of an HBA. | |
9880 | * This function is called with no lock held and always returns | |
9881 | * 1. | |
9882 | **/ | |
895427bd JS |
9883 | void |
9884 | lpfc_sli4_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
9885 | { |
9886 | struct lpfc_sli *psli; | |
9887 | struct lpfc_sli_ring *pring; | |
604a3e30 | 9888 | int i; |
dea3101e JB |
9889 | |
9890 | psli = &phba->sli; | |
2e0fef85 | 9891 | spin_lock_irq(&phba->hbalock); |
dea3101e | 9892 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 9893 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e | 9894 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
895427bd JS |
9895 | for (i = 0; i < phba->cfg_fcp_io_channel; i++) { |
9896 | pring = phba->sli4_hba.fcp_wq[i]->pring; | |
68e814f5 | 9897 | pring->flag = 0; |
895427bd | 9898 | pring->ringno = LPFC_FCP_RING; |
dea3101e JB |
9899 | INIT_LIST_HEAD(&pring->txq); |
9900 | INIT_LIST_HEAD(&pring->txcmplq); | |
9901 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
7e56aa25 | 9902 | spin_lock_init(&pring->ring_lock); |
dea3101e | 9903 | } |
895427bd JS |
9904 | for (i = 0; i < phba->cfg_nvme_io_channel; i++) { |
9905 | pring = phba->sli4_hba.nvme_wq[i]->pring; | |
9906 | pring->flag = 0; | |
9907 | pring->ringno = LPFC_FCP_RING; | |
9908 | INIT_LIST_HEAD(&pring->txq); | |
9909 | INIT_LIST_HEAD(&pring->txcmplq); | |
9910 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9911 | spin_lock_init(&pring->ring_lock); | |
9912 | } | |
9913 | pring = phba->sli4_hba.els_wq->pring; | |
9914 | pring->flag = 0; | |
9915 | pring->ringno = LPFC_ELS_RING; | |
9916 | INIT_LIST_HEAD(&pring->txq); | |
9917 | INIT_LIST_HEAD(&pring->txcmplq); | |
9918 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9919 | spin_lock_init(&pring->ring_lock); | |
dea3101e | 9920 | |
895427bd JS |
9921 | if (phba->cfg_nvme_io_channel) { |
9922 | pring = phba->sli4_hba.nvmels_wq->pring; | |
9923 | pring->flag = 0; | |
9924 | pring->ringno = LPFC_ELS_RING; | |
9925 | INIT_LIST_HEAD(&pring->txq); | |
9926 | INIT_LIST_HEAD(&pring->txcmplq); | |
9927 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9928 | spin_lock_init(&pring->ring_lock); | |
9929 | } | |
9930 | ||
9931 | if (phba->cfg_fof) { | |
9932 | pring = phba->sli4_hba.oas_wq->pring; | |
9933 | pring->flag = 0; | |
9934 | pring->ringno = LPFC_FCP_RING; | |
9935 | INIT_LIST_HEAD(&pring->txq); | |
9936 | INIT_LIST_HEAD(&pring->txcmplq); | |
9937 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9938 | spin_lock_init(&pring->ring_lock); | |
9939 | } | |
9940 | ||
9941 | spin_unlock_irq(&phba->hbalock); | |
9942 | } | |
9943 | ||
9944 | /** | |
9945 | * lpfc_sli_queue_init - Queue initialization function | |
9946 | * @phba: Pointer to HBA context object. | |
9947 | * | |
9948 | * lpfc_sli_queue_init sets up mailbox queues and iocb queues for each | |
9949 | * ring. This function also initializes ring indices of each ring. | |
9950 | * This function is called during the initialization of the SLI | |
9951 | * interface of an HBA. | |
9952 | * This function is called with no lock held and always returns | |
9953 | * 1. | |
9954 | **/ | |
9955 | void | |
9956 | lpfc_sli_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
9957 | { |
9958 | struct lpfc_sli *psli; | |
9959 | struct lpfc_sli_ring *pring; | |
604a3e30 | 9960 | int i; |
dea3101e JB |
9961 | |
9962 | psli = &phba->sli; | |
2e0fef85 | 9963 | spin_lock_irq(&phba->hbalock); |
dea3101e | 9964 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 9965 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e JB |
9966 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
9967 | for (i = 0; i < psli->num_rings; i++) { | |
895427bd | 9968 | pring = &psli->sli3_ring[i]; |
dea3101e | 9969 | pring->ringno = i; |
7e56aa25 JS |
9970 | pring->sli.sli3.next_cmdidx = 0; |
9971 | pring->sli.sli3.local_getidx = 0; | |
9972 | pring->sli.sli3.cmdidx = 0; | |
dea3101e | 9973 | INIT_LIST_HEAD(&pring->iocb_continueq); |
9c2face6 | 9974 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 9975 | INIT_LIST_HEAD(&pring->postbufq); |
895427bd JS |
9976 | pring->flag = 0; |
9977 | INIT_LIST_HEAD(&pring->txq); | |
9978 | INIT_LIST_HEAD(&pring->txcmplq); | |
7e56aa25 | 9979 | spin_lock_init(&pring->ring_lock); |
dea3101e | 9980 | } |
2e0fef85 | 9981 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
9982 | } |
9983 | ||
04c68496 JS |
9984 | /** |
9985 | * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system | |
9986 | * @phba: Pointer to HBA context object. | |
9987 | * | |
9988 | * This routine flushes the mailbox command subsystem. It will unconditionally | |
9989 | * flush all the mailbox commands in the three possible stages in the mailbox | |
9990 | * command sub-system: pending mailbox command queue; the outstanding mailbox | |
9991 | * command; and completed mailbox command queue. It is caller's responsibility | |
9992 | * to make sure that the driver is in the proper state to flush the mailbox | |
9993 | * command sub-system. Namely, the posting of mailbox commands into the | |
9994 | * pending mailbox command queue from the various clients must be stopped; | |
9995 | * either the HBA is in a state that it will never works on the outstanding | |
9996 | * mailbox command (such as in EEH or ERATT conditions) or the outstanding | |
9997 | * mailbox command has been completed. | |
9998 | **/ | |
9999 | static void | |
10000 | lpfc_sli_mbox_sys_flush(struct lpfc_hba *phba) | |
10001 | { | |
10002 | LIST_HEAD(completions); | |
10003 | struct lpfc_sli *psli = &phba->sli; | |
10004 | LPFC_MBOXQ_t *pmb; | |
10005 | unsigned long iflag; | |
10006 | ||
10007 | /* Flush all the mailbox commands in the mbox system */ | |
10008 | spin_lock_irqsave(&phba->hbalock, iflag); | |
10009 | /* The pending mailbox command queue */ | |
10010 | list_splice_init(&phba->sli.mboxq, &completions); | |
10011 | /* The outstanding active mailbox command */ | |
10012 | if (psli->mbox_active) { | |
10013 | list_add_tail(&psli->mbox_active->list, &completions); | |
10014 | psli->mbox_active = NULL; | |
10015 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10016 | } | |
10017 | /* The completed mailbox command queue */ | |
10018 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
10019 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
10020 | ||
10021 | /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */ | |
10022 | while (!list_empty(&completions)) { | |
10023 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
10024 | pmb->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
10025 | if (pmb->mbox_cmpl) | |
10026 | pmb->mbox_cmpl(phba, pmb); | |
10027 | } | |
10028 | } | |
10029 | ||
e59058c4 | 10030 | /** |
3621a710 | 10031 | * lpfc_sli_host_down - Vport cleanup function |
e59058c4 JS |
10032 | * @vport: Pointer to virtual port object. |
10033 | * | |
10034 | * lpfc_sli_host_down is called to clean up the resources | |
10035 | * associated with a vport before destroying virtual | |
10036 | * port data structures. | |
10037 | * This function does following operations: | |
10038 | * - Free discovery resources associated with this virtual | |
10039 | * port. | |
10040 | * - Free iocbs associated with this virtual port in | |
10041 | * the txq. | |
10042 | * - Send abort for all iocb commands associated with this | |
10043 | * vport in txcmplq. | |
10044 | * | |
10045 | * This function is called with no lock held and always returns 1. | |
10046 | **/ | |
92d7f7b0 JS |
10047 | int |
10048 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
10049 | { | |
858c9f6c | 10050 | LIST_HEAD(completions); |
92d7f7b0 JS |
10051 | struct lpfc_hba *phba = vport->phba; |
10052 | struct lpfc_sli *psli = &phba->sli; | |
895427bd | 10053 | struct lpfc_queue *qp = NULL; |
92d7f7b0 JS |
10054 | struct lpfc_sli_ring *pring; |
10055 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
10056 | int i; |
10057 | unsigned long flags = 0; | |
10058 | uint16_t prev_pring_flag; | |
10059 | ||
10060 | lpfc_cleanup_discovery_resources(vport); | |
10061 | ||
10062 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 | 10063 | |
895427bd JS |
10064 | /* |
10065 | * Error everything on the txq since these iocbs | |
10066 | * have not been given to the FW yet. | |
10067 | * Also issue ABTS for everything on the txcmplq | |
10068 | */ | |
10069 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10070 | for (i = 0; i < psli->num_rings; i++) { | |
10071 | pring = &psli->sli3_ring[i]; | |
10072 | prev_pring_flag = pring->flag; | |
10073 | /* Only slow rings */ | |
10074 | if (pring->ringno == LPFC_ELS_RING) { | |
10075 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10076 | /* Set the lpfc data pending flag */ | |
10077 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10078 | } | |
10079 | list_for_each_entry_safe(iocb, next_iocb, | |
10080 | &pring->txq, list) { | |
10081 | if (iocb->vport != vport) | |
10082 | continue; | |
10083 | list_move_tail(&iocb->list, &completions); | |
10084 | } | |
10085 | list_for_each_entry_safe(iocb, next_iocb, | |
10086 | &pring->txcmplq, list) { | |
10087 | if (iocb->vport != vport) | |
10088 | continue; | |
10089 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10090 | } | |
10091 | pring->flag = prev_pring_flag; | |
10092 | } | |
10093 | } else { | |
10094 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10095 | pring = qp->pring; | |
10096 | if (!pring) | |
92d7f7b0 | 10097 | continue; |
895427bd JS |
10098 | if (pring == phba->sli4_hba.els_wq->pring) { |
10099 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10100 | /* Set the lpfc data pending flag */ | |
10101 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10102 | } | |
10103 | prev_pring_flag = pring->flag; | |
10104 | spin_lock_irq(&pring->ring_lock); | |
10105 | list_for_each_entry_safe(iocb, next_iocb, | |
10106 | &pring->txq, list) { | |
10107 | if (iocb->vport != vport) | |
10108 | continue; | |
10109 | list_move_tail(&iocb->list, &completions); | |
10110 | } | |
10111 | spin_unlock_irq(&pring->ring_lock); | |
10112 | list_for_each_entry_safe(iocb, next_iocb, | |
10113 | &pring->txcmplq, list) { | |
10114 | if (iocb->vport != vport) | |
10115 | continue; | |
10116 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10117 | } | |
10118 | pring->flag = prev_pring_flag; | |
92d7f7b0 | 10119 | } |
92d7f7b0 | 10120 | } |
92d7f7b0 JS |
10121 | spin_unlock_irqrestore(&phba->hbalock, flags); |
10122 | ||
a257bf90 JS |
10123 | /* Cancel all the IOCBs from the completions list */ |
10124 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10125 | IOERR_SLI_DOWN); | |
92d7f7b0 JS |
10126 | return 1; |
10127 | } | |
10128 | ||
e59058c4 | 10129 | /** |
3621a710 | 10130 | * lpfc_sli_hba_down - Resource cleanup function for the HBA |
e59058c4 JS |
10131 | * @phba: Pointer to HBA context object. |
10132 | * | |
10133 | * This function cleans up all iocb, buffers, mailbox commands | |
10134 | * while shutting down the HBA. This function is called with no | |
10135 | * lock held and always returns 1. | |
10136 | * This function does the following to cleanup driver resources: | |
10137 | * - Free discovery resources for each virtual port | |
10138 | * - Cleanup any pending fabric iocbs | |
10139 | * - Iterate through the iocb txq and free each entry | |
10140 | * in the list. | |
10141 | * - Free up any buffer posted to the HBA | |
10142 | * - Free mailbox commands in the mailbox queue. | |
10143 | **/ | |
dea3101e | 10144 | int |
2e0fef85 | 10145 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 10146 | { |
2534ba75 | 10147 | LIST_HEAD(completions); |
2e0fef85 | 10148 | struct lpfc_sli *psli = &phba->sli; |
895427bd | 10149 | struct lpfc_queue *qp = NULL; |
dea3101e | 10150 | struct lpfc_sli_ring *pring; |
0ff10d46 | 10151 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 10152 | unsigned long flags = 0; |
04c68496 JS |
10153 | int i; |
10154 | ||
10155 | /* Shutdown the mailbox command sub-system */ | |
618a5230 | 10156 | lpfc_sli_mbox_sys_shutdown(phba, LPFC_MBX_WAIT); |
dea3101e | 10157 | |
dea3101e JB |
10158 | lpfc_hba_down_prep(phba); |
10159 | ||
92d7f7b0 JS |
10160 | lpfc_fabric_abort_hba(phba); |
10161 | ||
2e0fef85 | 10162 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 10163 | |
895427bd JS |
10164 | /* |
10165 | * Error everything on the txq since these iocbs | |
10166 | * have not been given to the FW yet. | |
10167 | */ | |
10168 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10169 | for (i = 0; i < psli->num_rings; i++) { | |
10170 | pring = &psli->sli3_ring[i]; | |
10171 | /* Only slow rings */ | |
10172 | if (pring->ringno == LPFC_ELS_RING) { | |
10173 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10174 | /* Set the lpfc data pending flag */ | |
10175 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10176 | } | |
10177 | list_splice_init(&pring->txq, &completions); | |
10178 | } | |
10179 | } else { | |
10180 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10181 | pring = qp->pring; | |
10182 | if (!pring) | |
10183 | continue; | |
10184 | spin_lock_irq(&pring->ring_lock); | |
10185 | list_splice_init(&pring->txq, &completions); | |
10186 | spin_unlock_irq(&pring->ring_lock); | |
10187 | if (pring == phba->sli4_hba.els_wq->pring) { | |
10188 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10189 | /* Set the lpfc data pending flag */ | |
10190 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10191 | } | |
10192 | } | |
2534ba75 | 10193 | } |
2e0fef85 | 10194 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 10195 | |
a257bf90 JS |
10196 | /* Cancel all the IOCBs from the completions list */ |
10197 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10198 | IOERR_SLI_DOWN); | |
dea3101e | 10199 | |
0ff10d46 JS |
10200 | spin_lock_irqsave(&phba->hbalock, flags); |
10201 | list_splice_init(&phba->elsbuf, &completions); | |
10202 | phba->elsbuf_cnt = 0; | |
10203 | phba->elsbuf_prev_cnt = 0; | |
10204 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
10205 | ||
10206 | while (!list_empty(&completions)) { | |
10207 | list_remove_head(&completions, buf_ptr, | |
10208 | struct lpfc_dmabuf, list); | |
10209 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
10210 | kfree(buf_ptr); | |
10211 | } | |
10212 | ||
dea3101e JB |
10213 | /* Return any active mbox cmds */ |
10214 | del_timer_sync(&psli->mbox_tmo); | |
2e0fef85 | 10215 | |
da0436e9 | 10216 | spin_lock_irqsave(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10217 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
da0436e9 | 10218 | spin_unlock_irqrestore(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10219 | |
da0436e9 JS |
10220 | return 1; |
10221 | } | |
10222 | ||
e59058c4 | 10223 | /** |
3621a710 | 10224 | * lpfc_sli_pcimem_bcopy - SLI memory copy function |
e59058c4 JS |
10225 | * @srcp: Source memory pointer. |
10226 | * @destp: Destination memory pointer. | |
10227 | * @cnt: Number of words required to be copied. | |
10228 | * | |
10229 | * This function is used for copying data between driver memory | |
10230 | * and the SLI memory. This function also changes the endianness | |
10231 | * of each word if native endianness is different from SLI | |
10232 | * endianness. This function can be called with or without | |
10233 | * lock. | |
10234 | **/ | |
dea3101e JB |
10235 | void |
10236 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10237 | { | |
10238 | uint32_t *src = srcp; | |
10239 | uint32_t *dest = destp; | |
10240 | uint32_t ldata; | |
10241 | int i; | |
10242 | ||
10243 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
10244 | ldata = *src; | |
10245 | ldata = le32_to_cpu(ldata); | |
10246 | *dest = ldata; | |
10247 | src++; | |
10248 | dest++; | |
10249 | } | |
10250 | } | |
10251 | ||
e59058c4 | 10252 | |
a0c87cbd JS |
10253 | /** |
10254 | * lpfc_sli_bemem_bcopy - SLI memory copy function | |
10255 | * @srcp: Source memory pointer. | |
10256 | * @destp: Destination memory pointer. | |
10257 | * @cnt: Number of words required to be copied. | |
10258 | * | |
10259 | * This function is used for copying data between a data structure | |
10260 | * with big endian representation to local endianness. | |
10261 | * This function can be called with or without lock. | |
10262 | **/ | |
10263 | void | |
10264 | lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10265 | { | |
10266 | uint32_t *src = srcp; | |
10267 | uint32_t *dest = destp; | |
10268 | uint32_t ldata; | |
10269 | int i; | |
10270 | ||
10271 | for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) { | |
10272 | ldata = *src; | |
10273 | ldata = be32_to_cpu(ldata); | |
10274 | *dest = ldata; | |
10275 | src++; | |
10276 | dest++; | |
10277 | } | |
10278 | } | |
10279 | ||
e59058c4 | 10280 | /** |
3621a710 | 10281 | * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq |
e59058c4 JS |
10282 | * @phba: Pointer to HBA context object. |
10283 | * @pring: Pointer to driver SLI ring object. | |
10284 | * @mp: Pointer to driver buffer object. | |
10285 | * | |
10286 | * This function is called with no lock held. | |
10287 | * It always return zero after adding the buffer to the postbufq | |
10288 | * buffer list. | |
10289 | **/ | |
dea3101e | 10290 | int |
2e0fef85 JS |
10291 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
10292 | struct lpfc_dmabuf *mp) | |
dea3101e JB |
10293 | { |
10294 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
10295 | later */ | |
2e0fef85 | 10296 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10297 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 10298 | pring->postbufq_cnt++; |
2e0fef85 | 10299 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
10300 | return 0; |
10301 | } | |
10302 | ||
e59058c4 | 10303 | /** |
3621a710 | 10304 | * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer |
e59058c4 JS |
10305 | * @phba: Pointer to HBA context object. |
10306 | * | |
10307 | * When HBQ is enabled, buffers are searched based on tags. This function | |
10308 | * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The | |
10309 | * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag | |
10310 | * does not conflict with tags of buffer posted for unsolicited events. | |
10311 | * The function returns the allocated tag. The function is called with | |
10312 | * no locks held. | |
10313 | **/ | |
76bb24ef JS |
10314 | uint32_t |
10315 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
10316 | { | |
10317 | spin_lock_irq(&phba->hbalock); | |
10318 | phba->buffer_tag_count++; | |
10319 | /* | |
10320 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
10321 | * a tag assigned by HBQ. | |
10322 | */ | |
10323 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
10324 | spin_unlock_irq(&phba->hbalock); | |
10325 | return phba->buffer_tag_count; | |
10326 | } | |
10327 | ||
e59058c4 | 10328 | /** |
3621a710 | 10329 | * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag |
e59058c4 JS |
10330 | * @phba: Pointer to HBA context object. |
10331 | * @pring: Pointer to driver SLI ring object. | |
10332 | * @tag: Buffer tag. | |
10333 | * | |
10334 | * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq | |
10335 | * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX | |
10336 | * iocb is posted to the response ring with the tag of the buffer. | |
10337 | * This function searches the pring->postbufq list using the tag | |
10338 | * to find buffer associated with CMD_IOCB_RET_XRI64_CX | |
10339 | * iocb. If the buffer is found then lpfc_dmabuf object of the | |
10340 | * buffer is returned to the caller else NULL is returned. | |
10341 | * This function is called with no lock held. | |
10342 | **/ | |
76bb24ef JS |
10343 | struct lpfc_dmabuf * |
10344 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10345 | uint32_t tag) | |
10346 | { | |
10347 | struct lpfc_dmabuf *mp, *next_mp; | |
10348 | struct list_head *slp = &pring->postbufq; | |
10349 | ||
25985edc | 10350 | /* Search postbufq, from the beginning, looking for a match on tag */ |
76bb24ef JS |
10351 | spin_lock_irq(&phba->hbalock); |
10352 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
10353 | if (mp->buffer_tag == tag) { | |
10354 | list_del_init(&mp->list); | |
10355 | pring->postbufq_cnt--; | |
10356 | spin_unlock_irq(&phba->hbalock); | |
10357 | return mp; | |
10358 | } | |
10359 | } | |
10360 | ||
10361 | spin_unlock_irq(&phba->hbalock); | |
10362 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 10363 | "0402 Cannot find virtual addr for buffer tag on " |
76bb24ef JS |
10364 | "ring %d Data x%lx x%p x%p x%x\n", |
10365 | pring->ringno, (unsigned long) tag, | |
10366 | slp->next, slp->prev, pring->postbufq_cnt); | |
10367 | ||
10368 | return NULL; | |
10369 | } | |
dea3101e | 10370 | |
e59058c4 | 10371 | /** |
3621a710 | 10372 | * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events |
e59058c4 JS |
10373 | * @phba: Pointer to HBA context object. |
10374 | * @pring: Pointer to driver SLI ring object. | |
10375 | * @phys: DMA address of the buffer. | |
10376 | * | |
10377 | * This function searches the buffer list using the dma_address | |
10378 | * of unsolicited event to find the driver's lpfc_dmabuf object | |
10379 | * corresponding to the dma_address. The function returns the | |
10380 | * lpfc_dmabuf object if a buffer is found else it returns NULL. | |
10381 | * This function is called by the ct and els unsolicited event | |
10382 | * handlers to get the buffer associated with the unsolicited | |
10383 | * event. | |
10384 | * | |
10385 | * This function is called with no lock held. | |
10386 | **/ | |
dea3101e JB |
10387 | struct lpfc_dmabuf * |
10388 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10389 | dma_addr_t phys) | |
10390 | { | |
10391 | struct lpfc_dmabuf *mp, *next_mp; | |
10392 | struct list_head *slp = &pring->postbufq; | |
10393 | ||
25985edc | 10394 | /* Search postbufq, from the beginning, looking for a match on phys */ |
2e0fef85 | 10395 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
10396 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
10397 | if (mp->phys == phys) { | |
10398 | list_del_init(&mp->list); | |
10399 | pring->postbufq_cnt--; | |
2e0fef85 | 10400 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
10401 | return mp; |
10402 | } | |
10403 | } | |
10404 | ||
2e0fef85 | 10405 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 10406 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 10407 | "0410 Cannot find virtual addr for mapped buf on " |
dea3101e | 10408 | "ring %d Data x%llx x%p x%p x%x\n", |
e8b62011 | 10409 | pring->ringno, (unsigned long long)phys, |
dea3101e JB |
10410 | slp->next, slp->prev, pring->postbufq_cnt); |
10411 | return NULL; | |
10412 | } | |
10413 | ||
e59058c4 | 10414 | /** |
3621a710 | 10415 | * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs |
e59058c4 JS |
10416 | * @phba: Pointer to HBA context object. |
10417 | * @cmdiocb: Pointer to driver command iocb object. | |
10418 | * @rspiocb: Pointer to driver response iocb object. | |
10419 | * | |
10420 | * This function is the completion handler for the abort iocbs for | |
10421 | * ELS commands. This function is called from the ELS ring event | |
10422 | * handler with no lock held. This function frees memory resources | |
10423 | * associated with the abort iocb. | |
10424 | **/ | |
dea3101e | 10425 | static void |
2e0fef85 JS |
10426 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
10427 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 10428 | { |
2e0fef85 | 10429 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 10430 | uint16_t abort_iotag, abort_context; |
ff78d8f9 | 10431 | struct lpfc_iocbq *abort_iocb = NULL; |
2680eeaa JS |
10432 | |
10433 | if (irsp->ulpStatus) { | |
ff78d8f9 JS |
10434 | |
10435 | /* | |
10436 | * Assume that the port already completed and returned, or | |
10437 | * will return the iocb. Just Log the message. | |
10438 | */ | |
2680eeaa JS |
10439 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; |
10440 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
10441 | ||
2e0fef85 | 10442 | spin_lock_irq(&phba->hbalock); |
45ed1190 JS |
10443 | if (phba->sli_rev < LPFC_SLI_REV4) { |
10444 | if (abort_iotag != 0 && | |
10445 | abort_iotag <= phba->sli.last_iotag) | |
10446 | abort_iocb = | |
10447 | phba->sli.iocbq_lookup[abort_iotag]; | |
10448 | } else | |
10449 | /* For sli4 the abort_tag is the XRI, | |
10450 | * so the abort routine puts the iotag of the iocb | |
10451 | * being aborted in the context field of the abort | |
10452 | * IOCB. | |
10453 | */ | |
10454 | abort_iocb = phba->sli.iocbq_lookup[abort_context]; | |
2680eeaa | 10455 | |
2a9bf3d0 JS |
10456 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI, |
10457 | "0327 Cannot abort els iocb %p " | |
10458 | "with tag %x context %x, abort status %x, " | |
10459 | "abort code %x\n", | |
10460 | abort_iocb, abort_iotag, abort_context, | |
10461 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
341af102 | 10462 | |
ff78d8f9 | 10463 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 10464 | } |
604a3e30 | 10465 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e JB |
10466 | return; |
10467 | } | |
10468 | ||
e59058c4 | 10469 | /** |
3621a710 | 10470 | * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command |
e59058c4 JS |
10471 | * @phba: Pointer to HBA context object. |
10472 | * @cmdiocb: Pointer to driver command iocb object. | |
10473 | * @rspiocb: Pointer to driver response iocb object. | |
10474 | * | |
10475 | * The function is called from SLI ring event handler with no | |
10476 | * lock held. This function is the completion handler for ELS commands | |
10477 | * which are aborted. The function frees memory resources used for | |
10478 | * the aborted ELS commands. | |
10479 | **/ | |
92d7f7b0 JS |
10480 | static void |
10481 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
10482 | struct lpfc_iocbq *rspiocb) | |
10483 | { | |
10484 | IOCB_t *irsp = &rspiocb->iocb; | |
10485 | ||
10486 | /* ELS cmd tag <ulpIoTag> completes */ | |
10487 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
d7c255b2 | 10488 | "0139 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 10489 | "x%x x%x x%x\n", |
e8b62011 | 10490 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 10491 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
10492 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
10493 | lpfc_ct_free_iocb(phba, cmdiocb); | |
10494 | else | |
10495 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
10496 | return; |
10497 | } | |
10498 | ||
e59058c4 | 10499 | /** |
5af5eee7 | 10500 | * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb |
e59058c4 JS |
10501 | * @phba: Pointer to HBA context object. |
10502 | * @pring: Pointer to driver SLI ring object. | |
10503 | * @cmdiocb: Pointer to driver command iocb object. | |
10504 | * | |
5af5eee7 JS |
10505 | * This function issues an abort iocb for the provided command iocb down to |
10506 | * the port. Other than the case the outstanding command iocb is an abort | |
10507 | * request, this function issues abort out unconditionally. This function is | |
10508 | * called with hbalock held. The function returns 0 when it fails due to | |
10509 | * memory allocation failure or when the command iocb is an abort request. | |
e59058c4 | 10510 | **/ |
5af5eee7 JS |
10511 | static int |
10512 | lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 10513 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 10514 | { |
2e0fef85 | 10515 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 10516 | struct lpfc_iocbq *abtsiocbp; |
dea3101e JB |
10517 | IOCB_t *icmd = NULL; |
10518 | IOCB_t *iabt = NULL; | |
5af5eee7 | 10519 | int retval; |
7e56aa25 | 10520 | unsigned long iflags; |
07951076 | 10521 | |
1c2ba475 JT |
10522 | lockdep_assert_held(&phba->hbalock); |
10523 | ||
92d7f7b0 JS |
10524 | /* |
10525 | * There are certain command types we don't want to abort. And we | |
10526 | * don't want to abort commands that are already in the process of | |
10527 | * being aborted. | |
07951076 JS |
10528 | */ |
10529 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 10530 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
10531 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
10532 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
10533 | return 0; |
10534 | ||
dea3101e | 10535 | /* issue ABTS for this IOCB based on iotag */ |
92d7f7b0 | 10536 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
10537 | if (abtsiocbp == NULL) |
10538 | return 0; | |
dea3101e | 10539 | |
07951076 | 10540 | /* This signals the response to set the correct status |
341af102 | 10541 | * before calling the completion handler |
07951076 JS |
10542 | */ |
10543 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
10544 | ||
dea3101e | 10545 | iabt = &abtsiocbp->iocb; |
07951076 JS |
10546 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
10547 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
45ed1190 | 10548 | if (phba->sli_rev == LPFC_SLI_REV4) { |
da0436e9 | 10549 | iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag; |
45ed1190 JS |
10550 | iabt->un.acxri.abortContextTag = cmdiocb->iotag; |
10551 | } | |
da0436e9 JS |
10552 | else |
10553 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; | |
07951076 JS |
10554 | iabt->ulpLe = 1; |
10555 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 10556 | |
5ffc266e | 10557 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 10558 | abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx; |
341af102 JS |
10559 | if (cmdiocb->iocb_flag & LPFC_IO_FCP) |
10560 | abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
10561 | if (cmdiocb->iocb_flag & LPFC_IO_FOF) |
10562 | abtsiocbp->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 10563 | |
2e0fef85 | 10564 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
10565 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
10566 | else | |
10567 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 10568 | |
07951076 | 10569 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
e6c6acc0 | 10570 | abtsiocbp->vport = vport; |
5b8bd0c9 | 10571 | |
e8b62011 JS |
10572 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
10573 | "0339 Abort xri x%x, original iotag x%x, " | |
10574 | "abort cmd iotag x%x\n", | |
2a9bf3d0 | 10575 | iabt->un.acxri.abortIoTag, |
e8b62011 | 10576 | iabt->un.acxri.abortContextTag, |
2a9bf3d0 | 10577 | abtsiocbp->iotag); |
7e56aa25 JS |
10578 | |
10579 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
895427bd JS |
10580 | pring = lpfc_sli4_calc_ring(phba, abtsiocbp); |
10581 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 10582 | return 0; |
7e56aa25 JS |
10583 | /* Note: both hbalock and ring_lock need to be set here */ |
10584 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
10585 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
10586 | abtsiocbp, 0); | |
10587 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
10588 | } else { | |
10589 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
10590 | abtsiocbp, 0); | |
10591 | } | |
dea3101e | 10592 | |
d7c255b2 JS |
10593 | if (retval) |
10594 | __lpfc_sli_release_iocbq(phba, abtsiocbp); | |
5af5eee7 JS |
10595 | |
10596 | /* | |
10597 | * Caller to this routine should check for IOCB_ERROR | |
10598 | * and handle it properly. This routine no longer removes | |
10599 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
10600 | */ | |
10601 | return retval; | |
10602 | } | |
10603 | ||
10604 | /** | |
10605 | * lpfc_sli_issue_abort_iotag - Abort function for a command iocb | |
10606 | * @phba: Pointer to HBA context object. | |
10607 | * @pring: Pointer to driver SLI ring object. | |
10608 | * @cmdiocb: Pointer to driver command iocb object. | |
10609 | * | |
10610 | * This function issues an abort iocb for the provided command iocb. In case | |
10611 | * of unloading, the abort iocb will not be issued to commands on the ELS | |
10612 | * ring. Instead, the callback function shall be changed to those commands | |
10613 | * so that nothing happens when them finishes. This function is called with | |
10614 | * hbalock held. The function returns 0 when the command iocb is an abort | |
10615 | * request. | |
10616 | **/ | |
10617 | int | |
10618 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10619 | struct lpfc_iocbq *cmdiocb) | |
10620 | { | |
10621 | struct lpfc_vport *vport = cmdiocb->vport; | |
10622 | int retval = IOCB_ERROR; | |
10623 | IOCB_t *icmd = NULL; | |
10624 | ||
1c2ba475 JT |
10625 | lockdep_assert_held(&phba->hbalock); |
10626 | ||
5af5eee7 JS |
10627 | /* |
10628 | * There are certain command types we don't want to abort. And we | |
10629 | * don't want to abort commands that are already in the process of | |
10630 | * being aborted. | |
10631 | */ | |
10632 | icmd = &cmdiocb->iocb; | |
10633 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || | |
10634 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
10635 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
10636 | return 0; | |
10637 | ||
10638 | /* | |
10639 | * If we're unloading, don't abort iocb on the ELS ring, but change | |
10640 | * the callback so that nothing happens when it finishes. | |
10641 | */ | |
10642 | if ((vport->load_flag & FC_UNLOADING) && | |
10643 | (pring->ringno == LPFC_ELS_RING)) { | |
10644 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
10645 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
10646 | else | |
10647 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
10648 | goto abort_iotag_exit; | |
10649 | } | |
10650 | ||
10651 | /* Now, we try to issue the abort to the cmdiocb out */ | |
10652 | retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb); | |
10653 | ||
07951076 | 10654 | abort_iotag_exit: |
2e0fef85 JS |
10655 | /* |
10656 | * Caller to this routine should check for IOCB_ERROR | |
10657 | * and handle it properly. This routine no longer removes | |
10658 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 10659 | */ |
2e0fef85 | 10660 | return retval; |
dea3101e JB |
10661 | } |
10662 | ||
895427bd JS |
10663 | /** |
10664 | * lpfc_sli4_abort_nvme_io - Issue abort for a command iocb | |
10665 | * @phba: Pointer to HBA context object. | |
10666 | * @pring: Pointer to driver SLI ring object. | |
10667 | * @cmdiocb: Pointer to driver command iocb object. | |
10668 | * | |
10669 | * This function issues an abort iocb for the provided command iocb down to | |
10670 | * the port. Other than the case the outstanding command iocb is an abort | |
10671 | * request, this function issues abort out unconditionally. This function is | |
10672 | * called with hbalock held. The function returns 0 when it fails due to | |
10673 | * memory allocation failure or when the command iocb is an abort request. | |
10674 | **/ | |
10675 | static int | |
10676 | lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10677 | struct lpfc_iocbq *cmdiocb) | |
10678 | { | |
10679 | struct lpfc_vport *vport = cmdiocb->vport; | |
10680 | struct lpfc_iocbq *abtsiocbp; | |
10681 | union lpfc_wqe *abts_wqe; | |
10682 | int retval; | |
10683 | ||
10684 | /* | |
10685 | * There are certain command types we don't want to abort. And we | |
10686 | * don't want to abort commands that are already in the process of | |
10687 | * being aborted. | |
10688 | */ | |
10689 | if (cmdiocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
10690 | cmdiocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN || | |
10691 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
10692 | return 0; | |
10693 | ||
10694 | /* issue ABTS for this io based on iotag */ | |
10695 | abtsiocbp = __lpfc_sli_get_iocbq(phba); | |
10696 | if (abtsiocbp == NULL) | |
10697 | return 0; | |
10698 | ||
10699 | /* This signals the response to set the correct status | |
10700 | * before calling the completion handler | |
10701 | */ | |
10702 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
10703 | ||
10704 | /* Complete prepping the abort wqe and issue to the FW. */ | |
10705 | abts_wqe = &abtsiocbp->wqe; | |
10706 | bf_set(abort_cmd_ia, &abts_wqe->abort_cmd, 0); | |
10707 | bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); | |
10708 | ||
10709 | /* Explicitly set reserved fields to zero.*/ | |
10710 | abts_wqe->abort_cmd.rsrvd4 = 0; | |
10711 | abts_wqe->abort_cmd.rsrvd5 = 0; | |
10712 | ||
10713 | /* WQE Common - word 6. Context is XRI tag. Set 0. */ | |
10714 | bf_set(wqe_xri_tag, &abts_wqe->abort_cmd.wqe_com, 0); | |
10715 | bf_set(wqe_ctxt_tag, &abts_wqe->abort_cmd.wqe_com, 0); | |
10716 | ||
10717 | /* word 7 */ | |
10718 | bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0); | |
10719 | bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); | |
10720 | bf_set(wqe_class, &abts_wqe->abort_cmd.wqe_com, | |
10721 | cmdiocb->iocb.ulpClass); | |
10722 | ||
10723 | /* word 8 - tell the FW to abort the IO associated with this | |
10724 | * outstanding exchange ID. | |
10725 | */ | |
10726 | abts_wqe->abort_cmd.wqe_com.abort_tag = cmdiocb->sli4_xritag; | |
10727 | ||
10728 | /* word 9 - this is the iotag for the abts_wqe completion. */ | |
10729 | bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, | |
10730 | abtsiocbp->iotag); | |
10731 | ||
10732 | /* word 10 */ | |
10733 | bf_set(wqe_wqid, &abts_wqe->abort_cmd.wqe_com, cmdiocb->hba_wqidx); | |
10734 | bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); | |
10735 | bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); | |
10736 | ||
10737 | /* word 11 */ | |
10738 | bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); | |
10739 | bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); | |
10740 | bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
10741 | ||
10742 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
10743 | abtsiocbp->iocb_flag |= LPFC_IO_NVME; | |
10744 | abtsiocbp->vport = vport; | |
01649561 | 10745 | abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl; |
895427bd JS |
10746 | retval = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abtsiocbp); |
10747 | if (retval == IOCB_ERROR) { | |
10748 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, | |
10749 | "6147 Failed abts issue_wqe with status x%x " | |
10750 | "for oxid x%x\n", | |
10751 | retval, cmdiocb->sli4_xritag); | |
10752 | lpfc_sli_release_iocbq(phba, abtsiocbp); | |
10753 | return retval; | |
10754 | } | |
10755 | ||
10756 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, | |
10757 | "6148 Drv Abort NVME Request Issued for " | |
10758 | "ox_id x%x on reqtag x%x\n", | |
10759 | cmdiocb->sli4_xritag, | |
10760 | abtsiocbp->iotag); | |
10761 | ||
10762 | return retval; | |
10763 | } | |
10764 | ||
5af5eee7 JS |
10765 | /** |
10766 | * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. | |
10767 | * @phba: pointer to lpfc HBA data structure. | |
10768 | * | |
10769 | * This routine will abort all pending and outstanding iocbs to an HBA. | |
10770 | **/ | |
10771 | void | |
10772 | lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba) | |
10773 | { | |
10774 | struct lpfc_sli *psli = &phba->sli; | |
10775 | struct lpfc_sli_ring *pring; | |
895427bd | 10776 | struct lpfc_queue *qp = NULL; |
5af5eee7 JS |
10777 | int i; |
10778 | ||
895427bd JS |
10779 | if (phba->sli_rev != LPFC_SLI_REV4) { |
10780 | for (i = 0; i < psli->num_rings; i++) { | |
10781 | pring = &psli->sli3_ring[i]; | |
10782 | lpfc_sli_abort_iocb_ring(phba, pring); | |
10783 | } | |
10784 | return; | |
10785 | } | |
10786 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10787 | pring = qp->pring; | |
10788 | if (!pring) | |
10789 | continue; | |
db55fba8 | 10790 | lpfc_sli_abort_iocb_ring(phba, pring); |
5af5eee7 JS |
10791 | } |
10792 | } | |
10793 | ||
e59058c4 | 10794 | /** |
3621a710 | 10795 | * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN |
e59058c4 JS |
10796 | * @iocbq: Pointer to driver iocb object. |
10797 | * @vport: Pointer to driver virtual port object. | |
10798 | * @tgt_id: SCSI ID of the target. | |
10799 | * @lun_id: LUN ID of the scsi device. | |
10800 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST | |
10801 | * | |
3621a710 | 10802 | * This function acts as an iocb filter for functions which abort or count |
e59058c4 JS |
10803 | * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return |
10804 | * 0 if the filtering criteria is met for the given iocb and will return | |
10805 | * 1 if the filtering criteria is not met. | |
10806 | * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the | |
10807 | * given iocb is for the SCSI device specified by vport, tgt_id and | |
10808 | * lun_id parameter. | |
10809 | * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the | |
10810 | * given iocb is for the SCSI target specified by vport and tgt_id | |
10811 | * parameters. | |
10812 | * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the | |
10813 | * given iocb is for the SCSI host associated with the given vport. | |
10814 | * This function is called with no locks held. | |
10815 | **/ | |
dea3101e | 10816 | static int |
51ef4c26 JS |
10817 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
10818 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 10819 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 10820 | { |
0bd4ca25 | 10821 | struct lpfc_scsi_buf *lpfc_cmd; |
dea3101e JB |
10822 | int rc = 1; |
10823 | ||
0bd4ca25 JSEC |
10824 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
10825 | return rc; | |
10826 | ||
51ef4c26 JS |
10827 | if (iocbq->vport != vport) |
10828 | return rc; | |
10829 | ||
0bd4ca25 | 10830 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
0bd4ca25 | 10831 | |
495a714c | 10832 | if (lpfc_cmd->pCmd == NULL) |
dea3101e JB |
10833 | return rc; |
10834 | ||
10835 | switch (ctx_cmd) { | |
10836 | case LPFC_CTX_LUN: | |
495a714c JS |
10837 | if ((lpfc_cmd->rdata->pnode) && |
10838 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id) && | |
10839 | (scsilun_to_int(&lpfc_cmd->fcp_cmnd->fcp_lun) == lun_id)) | |
dea3101e JB |
10840 | rc = 0; |
10841 | break; | |
10842 | case LPFC_CTX_TGT: | |
495a714c JS |
10843 | if ((lpfc_cmd->rdata->pnode) && |
10844 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id)) | |
dea3101e JB |
10845 | rc = 0; |
10846 | break; | |
dea3101e JB |
10847 | case LPFC_CTX_HOST: |
10848 | rc = 0; | |
10849 | break; | |
10850 | default: | |
10851 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
cadbd4a5 | 10852 | __func__, ctx_cmd); |
dea3101e JB |
10853 | break; |
10854 | } | |
10855 | ||
10856 | return rc; | |
10857 | } | |
10858 | ||
e59058c4 | 10859 | /** |
3621a710 | 10860 | * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending |
e59058c4 JS |
10861 | * @vport: Pointer to virtual port. |
10862 | * @tgt_id: SCSI ID of the target. | |
10863 | * @lun_id: LUN ID of the scsi device. | |
10864 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
10865 | * | |
10866 | * This function returns number of FCP commands pending for the vport. | |
10867 | * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP | |
10868 | * commands pending on the vport associated with SCSI device specified | |
10869 | * by tgt_id and lun_id parameters. | |
10870 | * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP | |
10871 | * commands pending on the vport associated with SCSI target specified | |
10872 | * by tgt_id parameter. | |
10873 | * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP | |
10874 | * commands pending on the vport. | |
10875 | * This function returns the number of iocbs which satisfy the filter. | |
10876 | * This function is called without any lock held. | |
10877 | **/ | |
dea3101e | 10878 | int |
51ef4c26 JS |
10879 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
10880 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 10881 | { |
51ef4c26 | 10882 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
10883 | struct lpfc_iocbq *iocbq; |
10884 | int sum, i; | |
dea3101e | 10885 | |
31979008 | 10886 | spin_lock_irq(&phba->hbalock); |
0bd4ca25 JSEC |
10887 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
10888 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 10889 | |
51ef4c26 JS |
10890 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
10891 | ctx_cmd) == 0) | |
0bd4ca25 | 10892 | sum++; |
dea3101e | 10893 | } |
31979008 | 10894 | spin_unlock_irq(&phba->hbalock); |
0bd4ca25 | 10895 | |
dea3101e JB |
10896 | return sum; |
10897 | } | |
10898 | ||
e59058c4 | 10899 | /** |
3621a710 | 10900 | * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs |
e59058c4 JS |
10901 | * @phba: Pointer to HBA context object |
10902 | * @cmdiocb: Pointer to command iocb object. | |
10903 | * @rspiocb: Pointer to response iocb object. | |
10904 | * | |
10905 | * This function is called when an aborted FCP iocb completes. This | |
10906 | * function is called by the ring event handler with no lock held. | |
10907 | * This function frees the iocb. | |
10908 | **/ | |
5eb95af0 | 10909 | void |
2e0fef85 JS |
10910 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
10911 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 10912 | { |
cb69f7de | 10913 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
8e668af5 | 10914 | "3096 ABORT_XRI_CN completing on rpi x%x " |
cb69f7de JS |
10915 | "original iotag x%x, abort cmd iotag x%x " |
10916 | "status 0x%x, reason 0x%x\n", | |
10917 | cmdiocb->iocb.un.acxri.abortContextTag, | |
10918 | cmdiocb->iocb.un.acxri.abortIoTag, | |
10919 | cmdiocb->iotag, rspiocb->iocb.ulpStatus, | |
10920 | rspiocb->iocb.un.ulpWord[4]); | |
604a3e30 | 10921 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
10922 | return; |
10923 | } | |
10924 | ||
e59058c4 | 10925 | /** |
3621a710 | 10926 | * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN |
e59058c4 JS |
10927 | * @vport: Pointer to virtual port. |
10928 | * @pring: Pointer to driver SLI ring object. | |
10929 | * @tgt_id: SCSI ID of the target. | |
10930 | * @lun_id: LUN ID of the scsi device. | |
10931 | * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
10932 | * | |
10933 | * This function sends an abort command for every SCSI command | |
10934 | * associated with the given virtual port pending on the ring | |
10935 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
10936 | * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
10937 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
10938 | * parameters | |
10939 | * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
10940 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
10941 | * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all | |
10942 | * FCP iocbs associated with virtual port. | |
10943 | * This function returns number of iocbs it failed to abort. | |
10944 | * This function is called with no locks held. | |
10945 | **/ | |
dea3101e | 10946 | int |
51ef4c26 JS |
10947 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
10948 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 10949 | { |
51ef4c26 | 10950 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
10951 | struct lpfc_iocbq *iocbq; |
10952 | struct lpfc_iocbq *abtsiocb; | |
dea3101e | 10953 | IOCB_t *cmd = NULL; |
dea3101e | 10954 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 10955 | int i; |
dea3101e | 10956 | |
0bd4ca25 JSEC |
10957 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
10958 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 10959 | |
51ef4c26 | 10960 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 10961 | abort_cmd) != 0) |
dea3101e JB |
10962 | continue; |
10963 | ||
afbd8d88 JS |
10964 | /* |
10965 | * If the iocbq is already being aborted, don't take a second | |
10966 | * action, but do count it. | |
10967 | */ | |
10968 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
10969 | continue; | |
10970 | ||
dea3101e | 10971 | /* issue ABTS for this IOCB based on iotag */ |
0bd4ca25 | 10972 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
10973 | if (abtsiocb == NULL) { |
10974 | errcnt++; | |
10975 | continue; | |
10976 | } | |
dea3101e | 10977 | |
afbd8d88 JS |
10978 | /* indicate the IO is being aborted by the driver. */ |
10979 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
10980 | ||
0bd4ca25 | 10981 | cmd = &iocbq->iocb; |
dea3101e JB |
10982 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
10983 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
da0436e9 JS |
10984 | if (phba->sli_rev == LPFC_SLI_REV4) |
10985 | abtsiocb->iocb.un.acxri.abortIoTag = iocbq->sli4_xritag; | |
10986 | else | |
10987 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
dea3101e JB |
10988 | abtsiocb->iocb.ulpLe = 1; |
10989 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
afbd8d88 | 10990 | abtsiocb->vport = vport; |
dea3101e | 10991 | |
5ffc266e | 10992 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 10993 | abtsiocb->hba_wqidx = iocbq->hba_wqidx; |
341af102 JS |
10994 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
10995 | abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
10996 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
10997 | abtsiocb->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 10998 | |
2e0fef85 | 10999 | if (lpfc_is_link_up(phba)) |
dea3101e JB |
11000 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11001 | else | |
11002 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11003 | ||
5eb95af0 JSEC |
11004 | /* Setup callback routine and issue the command. */ |
11005 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
da0436e9 JS |
11006 | ret_val = lpfc_sli_issue_iocb(phba, pring->ringno, |
11007 | abtsiocb, 0); | |
dea3101e | 11008 | if (ret_val == IOCB_ERROR) { |
604a3e30 | 11009 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e JB |
11010 | errcnt++; |
11011 | continue; | |
11012 | } | |
11013 | } | |
11014 | ||
11015 | return errcnt; | |
11016 | } | |
11017 | ||
98912dda JS |
11018 | /** |
11019 | * lpfc_sli_abort_taskmgmt - issue abort for all commands on a host/target/LUN | |
11020 | * @vport: Pointer to virtual port. | |
11021 | * @pring: Pointer to driver SLI ring object. | |
11022 | * @tgt_id: SCSI ID of the target. | |
11023 | * @lun_id: LUN ID of the scsi device. | |
11024 | * @taskmgmt_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11025 | * | |
11026 | * This function sends an abort command for every SCSI command | |
11027 | * associated with the given virtual port pending on the ring | |
11028 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11029 | * When taskmgmt_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11030 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11031 | * parameters | |
11032 | * When taskmgmt_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11033 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11034 | * When taskmgmt_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11035 | * FCP iocbs associated with virtual port. | |
11036 | * This function returns number of iocbs it aborted . | |
11037 | * This function is called with no locks held right after a taskmgmt | |
11038 | * command is sent. | |
11039 | **/ | |
11040 | int | |
11041 | lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, | |
11042 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd cmd) | |
11043 | { | |
11044 | struct lpfc_hba *phba = vport->phba; | |
8c50d25c | 11045 | struct lpfc_scsi_buf *lpfc_cmd; |
98912dda | 11046 | struct lpfc_iocbq *abtsiocbq; |
8c50d25c | 11047 | struct lpfc_nodelist *ndlp; |
98912dda JS |
11048 | struct lpfc_iocbq *iocbq; |
11049 | IOCB_t *icmd; | |
11050 | int sum, i, ret_val; | |
11051 | unsigned long iflags; | |
11052 | struct lpfc_sli_ring *pring_s4; | |
98912dda JS |
11053 | |
11054 | spin_lock_irq(&phba->hbalock); | |
11055 | ||
11056 | /* all I/Os are in process of being flushed */ | |
11057 | if (phba->hba_flag & HBA_FCP_IOQ_FLUSH) { | |
11058 | spin_unlock_irq(&phba->hbalock); | |
11059 | return 0; | |
11060 | } | |
11061 | sum = 0; | |
11062 | ||
11063 | for (i = 1; i <= phba->sli.last_iotag; i++) { | |
11064 | iocbq = phba->sli.iocbq_lookup[i]; | |
11065 | ||
11066 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, | |
11067 | cmd) != 0) | |
11068 | continue; | |
11069 | ||
11070 | /* | |
11071 | * If the iocbq is already being aborted, don't take a second | |
11072 | * action, but do count it. | |
11073 | */ | |
11074 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
11075 | continue; | |
11076 | ||
11077 | /* issue ABTS for this IOCB based on iotag */ | |
11078 | abtsiocbq = __lpfc_sli_get_iocbq(phba); | |
11079 | if (abtsiocbq == NULL) | |
11080 | continue; | |
11081 | ||
11082 | icmd = &iocbq->iocb; | |
11083 | abtsiocbq->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; | |
11084 | abtsiocbq->iocb.un.acxri.abortContextTag = icmd->ulpContext; | |
11085 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11086 | abtsiocbq->iocb.un.acxri.abortIoTag = | |
11087 | iocbq->sli4_xritag; | |
11088 | else | |
11089 | abtsiocbq->iocb.un.acxri.abortIoTag = icmd->ulpIoTag; | |
11090 | abtsiocbq->iocb.ulpLe = 1; | |
11091 | abtsiocbq->iocb.ulpClass = icmd->ulpClass; | |
11092 | abtsiocbq->vport = vport; | |
11093 | ||
11094 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
895427bd | 11095 | abtsiocbq->hba_wqidx = iocbq->hba_wqidx; |
98912dda JS |
11096 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11097 | abtsiocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11098 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11099 | abtsiocbq->iocb_flag |= LPFC_IO_FOF; | |
98912dda | 11100 | |
8c50d25c JS |
11101 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
11102 | ndlp = lpfc_cmd->rdata->pnode; | |
11103 | ||
11104 | if (lpfc_is_link_up(phba) && | |
11105 | (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE)) | |
98912dda JS |
11106 | abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11107 | else | |
11108 | abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11109 | ||
11110 | /* Setup callback routine and issue the command. */ | |
11111 | abtsiocbq->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
11112 | ||
11113 | /* | |
11114 | * Indicate the IO is being aborted by the driver and set | |
11115 | * the caller's flag into the aborted IO. | |
11116 | */ | |
11117 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11118 | ||
11119 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
895427bd JS |
11120 | pring_s4 = lpfc_sli4_calc_ring(phba, iocbq); |
11121 | if (pring_s4 == NULL) | |
11122 | continue; | |
98912dda JS |
11123 | /* Note: both hbalock and ring_lock must be set here */ |
11124 | spin_lock_irqsave(&pring_s4->ring_lock, iflags); | |
11125 | ret_val = __lpfc_sli_issue_iocb(phba, pring_s4->ringno, | |
11126 | abtsiocbq, 0); | |
11127 | spin_unlock_irqrestore(&pring_s4->ring_lock, iflags); | |
11128 | } else { | |
11129 | ret_val = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11130 | abtsiocbq, 0); | |
11131 | } | |
11132 | ||
11133 | ||
11134 | if (ret_val == IOCB_ERROR) | |
11135 | __lpfc_sli_release_iocbq(phba, abtsiocbq); | |
11136 | else | |
11137 | sum++; | |
11138 | } | |
11139 | spin_unlock_irq(&phba->hbalock); | |
11140 | return sum; | |
11141 | } | |
11142 | ||
e59058c4 | 11143 | /** |
3621a710 | 11144 | * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler |
e59058c4 JS |
11145 | * @phba: Pointer to HBA context object. |
11146 | * @cmdiocbq: Pointer to command iocb. | |
11147 | * @rspiocbq: Pointer to response iocb. | |
11148 | * | |
11149 | * This function is the completion handler for iocbs issued using | |
11150 | * lpfc_sli_issue_iocb_wait function. This function is called by the | |
11151 | * ring event handler function without any lock held. This function | |
11152 | * can be called from both worker thread context and interrupt | |
11153 | * context. This function also can be called from other thread which | |
11154 | * cleans up the SLI layer objects. | |
11155 | * This function copy the contents of the response iocb to the | |
11156 | * response iocb memory object provided by the caller of | |
11157 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
11158 | * sleeps for the iocb completion. | |
11159 | **/ | |
68876920 JSEC |
11160 | static void |
11161 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
11162 | struct lpfc_iocbq *cmdiocbq, | |
11163 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 11164 | { |
68876920 JSEC |
11165 | wait_queue_head_t *pdone_q; |
11166 | unsigned long iflags; | |
0f65ff68 | 11167 | struct lpfc_scsi_buf *lpfc_cmd; |
dea3101e | 11168 | |
2e0fef85 | 11169 | spin_lock_irqsave(&phba->hbalock, iflags); |
5a0916b4 JS |
11170 | if (cmdiocbq->iocb_flag & LPFC_IO_WAKE_TMO) { |
11171 | ||
11172 | /* | |
11173 | * A time out has occurred for the iocb. If a time out | |
11174 | * completion handler has been supplied, call it. Otherwise, | |
11175 | * just free the iocbq. | |
11176 | */ | |
11177 | ||
11178 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11179 | cmdiocbq->iocb_cmpl = cmdiocbq->wait_iocb_cmpl; | |
11180 | cmdiocbq->wait_iocb_cmpl = NULL; | |
11181 | if (cmdiocbq->iocb_cmpl) | |
11182 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, NULL); | |
11183 | else | |
11184 | lpfc_sli_release_iocbq(phba, cmdiocbq); | |
11185 | return; | |
11186 | } | |
11187 | ||
68876920 JSEC |
11188 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
11189 | if (cmdiocbq->context2 && rspiocbq) | |
11190 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
11191 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
11192 | ||
0f65ff68 JS |
11193 | /* Set the exchange busy flag for task management commands */ |
11194 | if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) && | |
11195 | !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) { | |
11196 | lpfc_cmd = container_of(cmdiocbq, struct lpfc_scsi_buf, | |
11197 | cur_iocbq); | |
11198 | lpfc_cmd->exch_busy = rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY; | |
11199 | } | |
11200 | ||
68876920 | 11201 | pdone_q = cmdiocbq->context_un.wait_queue; |
68876920 JSEC |
11202 | if (pdone_q) |
11203 | wake_up(pdone_q); | |
858c9f6c | 11204 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e JB |
11205 | return; |
11206 | } | |
11207 | ||
d11e31dd JS |
11208 | /** |
11209 | * lpfc_chk_iocb_flg - Test IOCB flag with lock held. | |
11210 | * @phba: Pointer to HBA context object.. | |
11211 | * @piocbq: Pointer to command iocb. | |
11212 | * @flag: Flag to test. | |
11213 | * | |
11214 | * This routine grabs the hbalock and then test the iocb_flag to | |
11215 | * see if the passed in flag is set. | |
11216 | * Returns: | |
11217 | * 1 if flag is set. | |
11218 | * 0 if flag is not set. | |
11219 | **/ | |
11220 | static int | |
11221 | lpfc_chk_iocb_flg(struct lpfc_hba *phba, | |
11222 | struct lpfc_iocbq *piocbq, uint32_t flag) | |
11223 | { | |
11224 | unsigned long iflags; | |
11225 | int ret; | |
11226 | ||
11227 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11228 | ret = piocbq->iocb_flag & flag; | |
11229 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11230 | return ret; | |
11231 | ||
11232 | } | |
11233 | ||
e59058c4 | 11234 | /** |
3621a710 | 11235 | * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands |
e59058c4 JS |
11236 | * @phba: Pointer to HBA context object.. |
11237 | * @pring: Pointer to sli ring. | |
11238 | * @piocb: Pointer to command iocb. | |
11239 | * @prspiocbq: Pointer to response iocb. | |
11240 | * @timeout: Timeout in number of seconds. | |
11241 | * | |
11242 | * This function issues the iocb to firmware and waits for the | |
5a0916b4 JS |
11243 | * iocb to complete. The iocb_cmpl field of the shall be used |
11244 | * to handle iocbs which time out. If the field is NULL, the | |
11245 | * function shall free the iocbq structure. If more clean up is | |
11246 | * needed, the caller is expected to provide a completion function | |
11247 | * that will provide the needed clean up. If the iocb command is | |
11248 | * not completed within timeout seconds, the function will either | |
11249 | * free the iocbq structure (if iocb_cmpl == NULL) or execute the | |
11250 | * completion function set in the iocb_cmpl field and then return | |
11251 | * a status of IOCB_TIMEDOUT. The caller should not free the iocb | |
11252 | * resources if this function returns IOCB_TIMEDOUT. | |
e59058c4 JS |
11253 | * The function waits for the iocb completion using an |
11254 | * non-interruptible wait. | |
11255 | * This function will sleep while waiting for iocb completion. | |
11256 | * So, this function should not be called from any context which | |
11257 | * does not allow sleeping. Due to the same reason, this function | |
11258 | * cannot be called with interrupt disabled. | |
11259 | * This function assumes that the iocb completions occur while | |
11260 | * this function sleep. So, this function cannot be called from | |
11261 | * the thread which process iocb completion for this ring. | |
11262 | * This function clears the iocb_flag of the iocb object before | |
11263 | * issuing the iocb and the iocb completion handler sets this | |
11264 | * flag and wakes this thread when the iocb completes. | |
11265 | * The contents of the response iocb will be copied to prspiocbq | |
11266 | * by the completion handler when the command completes. | |
11267 | * This function returns IOCB_SUCCESS when success. | |
11268 | * This function is called with no lock held. | |
11269 | **/ | |
dea3101e | 11270 | int |
2e0fef85 | 11271 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
da0436e9 | 11272 | uint32_t ring_number, |
2e0fef85 JS |
11273 | struct lpfc_iocbq *piocb, |
11274 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 11275 | uint32_t timeout) |
dea3101e | 11276 | { |
7259f0d0 | 11277 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
11278 | long timeleft, timeout_req = 0; |
11279 | int retval = IOCB_SUCCESS; | |
875fbdfe | 11280 | uint32_t creg_val; |
0e9bb8d7 JS |
11281 | struct lpfc_iocbq *iocb; |
11282 | int txq_cnt = 0; | |
11283 | int txcmplq_cnt = 0; | |
895427bd | 11284 | struct lpfc_sli_ring *pring; |
5a0916b4 JS |
11285 | unsigned long iflags; |
11286 | bool iocb_completed = true; | |
11287 | ||
895427bd JS |
11288 | if (phba->sli_rev >= LPFC_SLI_REV4) |
11289 | pring = lpfc_sli4_calc_ring(phba, piocb); | |
11290 | else | |
11291 | pring = &phba->sli.sli3_ring[ring_number]; | |
dea3101e | 11292 | /* |
68876920 JSEC |
11293 | * If the caller has provided a response iocbq buffer, then context2 |
11294 | * is NULL or its an error. | |
dea3101e | 11295 | */ |
68876920 JSEC |
11296 | if (prspiocbq) { |
11297 | if (piocb->context2) | |
11298 | return IOCB_ERROR; | |
11299 | piocb->context2 = prspiocbq; | |
dea3101e JB |
11300 | } |
11301 | ||
5a0916b4 | 11302 | piocb->wait_iocb_cmpl = piocb->iocb_cmpl; |
68876920 JSEC |
11303 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
11304 | piocb->context_un.wait_queue = &done_q; | |
5a0916b4 | 11305 | piocb->iocb_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO); |
dea3101e | 11306 | |
875fbdfe | 11307 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
11308 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
11309 | return IOCB_ERROR; | |
875fbdfe JSEC |
11310 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
11311 | writel(creg_val, phba->HCregaddr); | |
11312 | readl(phba->HCregaddr); /* flush */ | |
11313 | } | |
11314 | ||
2a9bf3d0 JS |
11315 | retval = lpfc_sli_issue_iocb(phba, ring_number, piocb, |
11316 | SLI_IOCB_RET_IOCB); | |
68876920 | 11317 | if (retval == IOCB_SUCCESS) { |
256ec0d0 | 11318 | timeout_req = msecs_to_jiffies(timeout * 1000); |
68876920 | 11319 | timeleft = wait_event_timeout(done_q, |
d11e31dd | 11320 | lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE), |
68876920 | 11321 | timeout_req); |
5a0916b4 JS |
11322 | spin_lock_irqsave(&phba->hbalock, iflags); |
11323 | if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { | |
11324 | ||
11325 | /* | |
11326 | * IOCB timed out. Inform the wake iocb wait | |
11327 | * completion function and set local status | |
11328 | */ | |
dea3101e | 11329 | |
5a0916b4 JS |
11330 | iocb_completed = false; |
11331 | piocb->iocb_flag |= LPFC_IO_WAKE_TMO; | |
11332 | } | |
11333 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11334 | if (iocb_completed) { | |
7054a606 | 11335 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 11336 | "0331 IOCB wake signaled\n"); |
53151bbb JS |
11337 | /* Note: we are not indicating if the IOCB has a success |
11338 | * status or not - that's for the caller to check. | |
11339 | * IOCB_SUCCESS means just that the command was sent and | |
11340 | * completed. Not that it completed successfully. | |
11341 | * */ | |
7054a606 | 11342 | } else if (timeleft == 0) { |
68876920 | 11343 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
11344 | "0338 IOCB wait timeout error - no " |
11345 | "wake response Data x%x\n", timeout); | |
68876920 | 11346 | retval = IOCB_TIMEDOUT; |
7054a606 | 11347 | } else { |
68876920 | 11348 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
11349 | "0330 IOCB wake NOT set, " |
11350 | "Data x%x x%lx\n", | |
68876920 JSEC |
11351 | timeout, (timeleft / jiffies)); |
11352 | retval = IOCB_TIMEDOUT; | |
dea3101e | 11353 | } |
2a9bf3d0 | 11354 | } else if (retval == IOCB_BUSY) { |
0e9bb8d7 JS |
11355 | if (phba->cfg_log_verbose & LOG_SLI) { |
11356 | list_for_each_entry(iocb, &pring->txq, list) { | |
11357 | txq_cnt++; | |
11358 | } | |
11359 | list_for_each_entry(iocb, &pring->txcmplq, list) { | |
11360 | txcmplq_cnt++; | |
11361 | } | |
11362 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
11363 | "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n", | |
11364 | phba->iocb_cnt, txq_cnt, txcmplq_cnt); | |
11365 | } | |
2a9bf3d0 | 11366 | return retval; |
68876920 JSEC |
11367 | } else { |
11368 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
d7c255b2 | 11369 | "0332 IOCB wait issue failed, Data x%x\n", |
e8b62011 | 11370 | retval); |
68876920 | 11371 | retval = IOCB_ERROR; |
dea3101e JB |
11372 | } |
11373 | ||
875fbdfe | 11374 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
11375 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
11376 | return IOCB_ERROR; | |
875fbdfe JSEC |
11377 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
11378 | writel(creg_val, phba->HCregaddr); | |
11379 | readl(phba->HCregaddr); /* flush */ | |
11380 | } | |
11381 | ||
68876920 JSEC |
11382 | if (prspiocbq) |
11383 | piocb->context2 = NULL; | |
11384 | ||
11385 | piocb->context_un.wait_queue = NULL; | |
11386 | piocb->iocb_cmpl = NULL; | |
dea3101e JB |
11387 | return retval; |
11388 | } | |
68876920 | 11389 | |
e59058c4 | 11390 | /** |
3621a710 | 11391 | * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox |
e59058c4 JS |
11392 | * @phba: Pointer to HBA context object. |
11393 | * @pmboxq: Pointer to driver mailbox object. | |
11394 | * @timeout: Timeout in number of seconds. | |
11395 | * | |
11396 | * This function issues the mailbox to firmware and waits for the | |
11397 | * mailbox command to complete. If the mailbox command is not | |
11398 | * completed within timeout seconds, it returns MBX_TIMEOUT. | |
11399 | * The function waits for the mailbox completion using an | |
11400 | * interruptible wait. If the thread is woken up due to a | |
11401 | * signal, MBX_TIMEOUT error is returned to the caller. Caller | |
11402 | * should not free the mailbox resources, if this function returns | |
11403 | * MBX_TIMEOUT. | |
11404 | * This function will sleep while waiting for mailbox completion. | |
11405 | * So, this function should not be called from any context which | |
11406 | * does not allow sleeping. Due to the same reason, this function | |
11407 | * cannot be called with interrupt disabled. | |
11408 | * This function assumes that the mailbox completion occurs while | |
11409 | * this function sleep. So, this function cannot be called from | |
11410 | * the worker thread which processes mailbox completion. | |
11411 | * This function is called in the context of HBA management | |
11412 | * applications. | |
11413 | * This function returns MBX_SUCCESS when successful. | |
11414 | * This function is called with no lock held. | |
11415 | **/ | |
dea3101e | 11416 | int |
2e0fef85 | 11417 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e JB |
11418 | uint32_t timeout) |
11419 | { | |
7259f0d0 | 11420 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
b230b8a2 | 11421 | MAILBOX_t *mb = NULL; |
dea3101e | 11422 | int retval; |
858c9f6c | 11423 | unsigned long flag; |
dea3101e | 11424 | |
b230b8a2 | 11425 | /* The caller might set context1 for extended buffer */ |
98c9ea5c | 11426 | if (pmboxq->context1) |
b230b8a2 | 11427 | mb = (MAILBOX_t *)pmboxq->context1; |
dea3101e | 11428 | |
495a714c | 11429 | pmboxq->mbox_flag &= ~LPFC_MBX_WAKE; |
dea3101e JB |
11430 | /* setup wake call as IOCB callback */ |
11431 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
11432 | /* setup context field to pass wait_queue pointer to wake function */ | |
11433 | pmboxq->context1 = &done_q; | |
11434 | ||
dea3101e JB |
11435 | /* now issue the command */ |
11436 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
dea3101e | 11437 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
7054a606 JS |
11438 | wait_event_interruptible_timeout(done_q, |
11439 | pmboxq->mbox_flag & LPFC_MBX_WAKE, | |
256ec0d0 | 11440 | msecs_to_jiffies(timeout * 1000)); |
7054a606 | 11441 | |
858c9f6c | 11442 | spin_lock_irqsave(&phba->hbalock, flag); |
b230b8a2 JS |
11443 | /* restore the possible extended buffer for free resource */ |
11444 | pmboxq->context1 = (uint8_t *)mb; | |
7054a606 JS |
11445 | /* |
11446 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
11447 | * else do not free the resources. | |
11448 | */ | |
d7c47992 | 11449 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) { |
dea3101e | 11450 | retval = MBX_SUCCESS; |
d7c47992 | 11451 | } else { |
7054a606 | 11452 | retval = MBX_TIMEOUT; |
858c9f6c JS |
11453 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
11454 | } | |
11455 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
b230b8a2 JS |
11456 | } else { |
11457 | /* restore the possible extended buffer for free resource */ | |
11458 | pmboxq->context1 = (uint8_t *)mb; | |
dea3101e JB |
11459 | } |
11460 | ||
dea3101e JB |
11461 | return retval; |
11462 | } | |
11463 | ||
e59058c4 | 11464 | /** |
3772a991 | 11465 | * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system |
e59058c4 JS |
11466 | * @phba: Pointer to HBA context. |
11467 | * | |
3772a991 JS |
11468 | * This function is called to shutdown the driver's mailbox sub-system. |
11469 | * It first marks the mailbox sub-system is in a block state to prevent | |
11470 | * the asynchronous mailbox command from issued off the pending mailbox | |
11471 | * command queue. If the mailbox command sub-system shutdown is due to | |
11472 | * HBA error conditions such as EEH or ERATT, this routine shall invoke | |
11473 | * the mailbox sub-system flush routine to forcefully bring down the | |
11474 | * mailbox sub-system. Otherwise, if it is due to normal condition (such | |
11475 | * as with offline or HBA function reset), this routine will wait for the | |
11476 | * outstanding mailbox command to complete before invoking the mailbox | |
11477 | * sub-system flush routine to gracefully bring down mailbox sub-system. | |
e59058c4 | 11478 | **/ |
3772a991 | 11479 | void |
618a5230 | 11480 | lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba, int mbx_action) |
b4c02652 | 11481 | { |
3772a991 | 11482 | struct lpfc_sli *psli = &phba->sli; |
3772a991 | 11483 | unsigned long timeout; |
b4c02652 | 11484 | |
618a5230 JS |
11485 | if (mbx_action == LPFC_MBX_NO_WAIT) { |
11486 | /* delay 100ms for port state */ | |
11487 | msleep(100); | |
11488 | lpfc_sli_mbox_sys_flush(phba); | |
11489 | return; | |
11490 | } | |
a183a15f | 11491 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; |
d7069f09 | 11492 | |
3772a991 JS |
11493 | spin_lock_irq(&phba->hbalock); |
11494 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
b4c02652 | 11495 | |
3772a991 | 11496 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
3772a991 JS |
11497 | /* Determine how long we might wait for the active mailbox |
11498 | * command to be gracefully completed by firmware. | |
11499 | */ | |
a183a15f JS |
11500 | if (phba->sli.mbox_active) |
11501 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
11502 | phba->sli.mbox_active) * | |
11503 | 1000) + jiffies; | |
11504 | spin_unlock_irq(&phba->hbalock); | |
11505 | ||
3772a991 JS |
11506 | while (phba->sli.mbox_active) { |
11507 | /* Check active mailbox complete status every 2ms */ | |
11508 | msleep(2); | |
11509 | if (time_after(jiffies, timeout)) | |
11510 | /* Timeout, let the mailbox flush routine to | |
11511 | * forcefully release active mailbox command | |
11512 | */ | |
11513 | break; | |
11514 | } | |
d7069f09 JS |
11515 | } else |
11516 | spin_unlock_irq(&phba->hbalock); | |
11517 | ||
3772a991 JS |
11518 | lpfc_sli_mbox_sys_flush(phba); |
11519 | } | |
ed957684 | 11520 | |
3772a991 JS |
11521 | /** |
11522 | * lpfc_sli_eratt_read - read sli-3 error attention events | |
11523 | * @phba: Pointer to HBA context. | |
11524 | * | |
11525 | * This function is called to read the SLI3 device error attention registers | |
11526 | * for possible error attention events. The caller must hold the hostlock | |
11527 | * with spin_lock_irq(). | |
11528 | * | |
25985edc | 11529 | * This function returns 1 when there is Error Attention in the Host Attention |
3772a991 JS |
11530 | * Register and returns 0 otherwise. |
11531 | **/ | |
11532 | static int | |
11533 | lpfc_sli_eratt_read(struct lpfc_hba *phba) | |
11534 | { | |
11535 | uint32_t ha_copy; | |
b4c02652 | 11536 | |
3772a991 | 11537 | /* Read chip Host Attention (HA) register */ |
9940b97b JS |
11538 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
11539 | goto unplug_err; | |
11540 | ||
3772a991 JS |
11541 | if (ha_copy & HA_ERATT) { |
11542 | /* Read host status register to retrieve error event */ | |
9940b97b JS |
11543 | if (lpfc_sli_read_hs(phba)) |
11544 | goto unplug_err; | |
b4c02652 | 11545 | |
3772a991 JS |
11546 | /* Check if there is a deferred error condition is active */ |
11547 | if ((HS_FFER1 & phba->work_hs) && | |
11548 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 | 11549 | HS_FFER6 | HS_FFER7 | HS_FFER8) & phba->work_hs)) { |
3772a991 | 11550 | phba->hba_flag |= DEFER_ERATT; |
3772a991 JS |
11551 | /* Clear all interrupt enable conditions */ |
11552 | writel(0, phba->HCregaddr); | |
11553 | readl(phba->HCregaddr); | |
11554 | } | |
11555 | ||
11556 | /* Set the driver HA work bitmap */ | |
3772a991 JS |
11557 | phba->work_ha |= HA_ERATT; |
11558 | /* Indicate polling handles this ERATT */ | |
11559 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
3772a991 JS |
11560 | return 1; |
11561 | } | |
11562 | return 0; | |
9940b97b JS |
11563 | |
11564 | unplug_err: | |
11565 | /* Set the driver HS work bitmap */ | |
11566 | phba->work_hs |= UNPLUG_ERR; | |
11567 | /* Set the driver HA work bitmap */ | |
11568 | phba->work_ha |= HA_ERATT; | |
11569 | /* Indicate polling handles this ERATT */ | |
11570 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11571 | return 1; | |
b4c02652 JS |
11572 | } |
11573 | ||
da0436e9 JS |
11574 | /** |
11575 | * lpfc_sli4_eratt_read - read sli-4 error attention events | |
11576 | * @phba: Pointer to HBA context. | |
11577 | * | |
11578 | * This function is called to read the SLI4 device error attention registers | |
11579 | * for possible error attention events. The caller must hold the hostlock | |
11580 | * with spin_lock_irq(). | |
11581 | * | |
25985edc | 11582 | * This function returns 1 when there is Error Attention in the Host Attention |
da0436e9 JS |
11583 | * Register and returns 0 otherwise. |
11584 | **/ | |
11585 | static int | |
11586 | lpfc_sli4_eratt_read(struct lpfc_hba *phba) | |
11587 | { | |
11588 | uint32_t uerr_sta_hi, uerr_sta_lo; | |
2fcee4bf JS |
11589 | uint32_t if_type, portsmphr; |
11590 | struct lpfc_register portstat_reg; | |
da0436e9 | 11591 | |
2fcee4bf JS |
11592 | /* |
11593 | * For now, use the SLI4 device internal unrecoverable error | |
da0436e9 JS |
11594 | * registers for error attention. This can be changed later. |
11595 | */ | |
2fcee4bf JS |
11596 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
11597 | switch (if_type) { | |
11598 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9940b97b JS |
11599 | if (lpfc_readl(phba->sli4_hba.u.if_type0.UERRLOregaddr, |
11600 | &uerr_sta_lo) || | |
11601 | lpfc_readl(phba->sli4_hba.u.if_type0.UERRHIregaddr, | |
11602 | &uerr_sta_hi)) { | |
11603 | phba->work_hs |= UNPLUG_ERR; | |
11604 | phba->work_ha |= HA_ERATT; | |
11605 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11606 | return 1; | |
11607 | } | |
2fcee4bf JS |
11608 | if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || |
11609 | (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { | |
11610 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11611 | "1423 HBA Unrecoverable error: " | |
11612 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
11613 | "ue_mask_lo_reg=0x%x, " | |
11614 | "ue_mask_hi_reg=0x%x\n", | |
11615 | uerr_sta_lo, uerr_sta_hi, | |
11616 | phba->sli4_hba.ue_mask_lo, | |
11617 | phba->sli4_hba.ue_mask_hi); | |
11618 | phba->work_status[0] = uerr_sta_lo; | |
11619 | phba->work_status[1] = uerr_sta_hi; | |
11620 | phba->work_ha |= HA_ERATT; | |
11621 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11622 | return 1; | |
11623 | } | |
11624 | break; | |
11625 | case LPFC_SLI_INTF_IF_TYPE_2: | |
9940b97b JS |
11626 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
11627 | &portstat_reg.word0) || | |
11628 | lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
11629 | &portsmphr)){ | |
11630 | phba->work_hs |= UNPLUG_ERR; | |
11631 | phba->work_ha |= HA_ERATT; | |
11632 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11633 | return 1; | |
11634 | } | |
2fcee4bf JS |
11635 | if (bf_get(lpfc_sliport_status_err, &portstat_reg)) { |
11636 | phba->work_status[0] = | |
11637 | readl(phba->sli4_hba.u.if_type2.ERR1regaddr); | |
11638 | phba->work_status[1] = | |
11639 | readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
11640 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2e90f4b5 | 11641 | "2885 Port Status Event: " |
2fcee4bf JS |
11642 | "port status reg 0x%x, " |
11643 | "port smphr reg 0x%x, " | |
11644 | "error 1=0x%x, error 2=0x%x\n", | |
11645 | portstat_reg.word0, | |
11646 | portsmphr, | |
11647 | phba->work_status[0], | |
11648 | phba->work_status[1]); | |
11649 | phba->work_ha |= HA_ERATT; | |
11650 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11651 | return 1; | |
11652 | } | |
11653 | break; | |
11654 | case LPFC_SLI_INTF_IF_TYPE_1: | |
11655 | default: | |
a747c9ce | 11656 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
11657 | "2886 HBA Error Attention on unsupported " |
11658 | "if type %d.", if_type); | |
a747c9ce | 11659 | return 1; |
da0436e9 | 11660 | } |
2fcee4bf | 11661 | |
da0436e9 JS |
11662 | return 0; |
11663 | } | |
11664 | ||
e59058c4 | 11665 | /** |
3621a710 | 11666 | * lpfc_sli_check_eratt - check error attention events |
9399627f JS |
11667 | * @phba: Pointer to HBA context. |
11668 | * | |
3772a991 | 11669 | * This function is called from timer soft interrupt context to check HBA's |
9399627f JS |
11670 | * error attention register bit for error attention events. |
11671 | * | |
25985edc | 11672 | * This function returns 1 when there is Error Attention in the Host Attention |
9399627f JS |
11673 | * Register and returns 0 otherwise. |
11674 | **/ | |
11675 | int | |
11676 | lpfc_sli_check_eratt(struct lpfc_hba *phba) | |
11677 | { | |
11678 | uint32_t ha_copy; | |
11679 | ||
11680 | /* If somebody is waiting to handle an eratt, don't process it | |
11681 | * here. The brdkill function will do this. | |
11682 | */ | |
11683 | if (phba->link_flag & LS_IGNORE_ERATT) | |
11684 | return 0; | |
11685 | ||
11686 | /* Check if interrupt handler handles this ERATT */ | |
11687 | spin_lock_irq(&phba->hbalock); | |
11688 | if (phba->hba_flag & HBA_ERATT_HANDLED) { | |
11689 | /* Interrupt handler has handled ERATT */ | |
11690 | spin_unlock_irq(&phba->hbalock); | |
11691 | return 0; | |
11692 | } | |
11693 | ||
a257bf90 JS |
11694 | /* |
11695 | * If there is deferred error attention, do not check for error | |
11696 | * attention | |
11697 | */ | |
11698 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
11699 | spin_unlock_irq(&phba->hbalock); | |
11700 | return 0; | |
11701 | } | |
11702 | ||
3772a991 JS |
11703 | /* If PCI channel is offline, don't process it */ |
11704 | if (unlikely(pci_channel_offline(phba->pcidev))) { | |
9399627f | 11705 | spin_unlock_irq(&phba->hbalock); |
3772a991 JS |
11706 | return 0; |
11707 | } | |
11708 | ||
11709 | switch (phba->sli_rev) { | |
11710 | case LPFC_SLI_REV2: | |
11711 | case LPFC_SLI_REV3: | |
11712 | /* Read chip Host Attention (HA) register */ | |
11713 | ha_copy = lpfc_sli_eratt_read(phba); | |
11714 | break; | |
da0436e9 | 11715 | case LPFC_SLI_REV4: |
2fcee4bf | 11716 | /* Read device Uncoverable Error (UERR) registers */ |
da0436e9 JS |
11717 | ha_copy = lpfc_sli4_eratt_read(phba); |
11718 | break; | |
3772a991 JS |
11719 | default: |
11720 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11721 | "0299 Invalid SLI revision (%d)\n", | |
11722 | phba->sli_rev); | |
11723 | ha_copy = 0; | |
11724 | break; | |
9399627f JS |
11725 | } |
11726 | spin_unlock_irq(&phba->hbalock); | |
3772a991 JS |
11727 | |
11728 | return ha_copy; | |
11729 | } | |
11730 | ||
11731 | /** | |
11732 | * lpfc_intr_state_check - Check device state for interrupt handling | |
11733 | * @phba: Pointer to HBA context. | |
11734 | * | |
11735 | * This inline routine checks whether a device or its PCI slot is in a state | |
11736 | * that the interrupt should be handled. | |
11737 | * | |
11738 | * This function returns 0 if the device or the PCI slot is in a state that | |
11739 | * interrupt should be handled, otherwise -EIO. | |
11740 | */ | |
11741 | static inline int | |
11742 | lpfc_intr_state_check(struct lpfc_hba *phba) | |
11743 | { | |
11744 | /* If the pci channel is offline, ignore all the interrupts */ | |
11745 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
11746 | return -EIO; | |
11747 | ||
11748 | /* Update device level interrupt statistics */ | |
11749 | phba->sli.slistat.sli_intr++; | |
11750 | ||
11751 | /* Ignore all interrupts during initialization. */ | |
11752 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) | |
11753 | return -EIO; | |
11754 | ||
9399627f JS |
11755 | return 0; |
11756 | } | |
11757 | ||
11758 | /** | |
3772a991 | 11759 | * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device |
e59058c4 JS |
11760 | * @irq: Interrupt number. |
11761 | * @dev_id: The device context pointer. | |
11762 | * | |
9399627f | 11763 | * This function is directly called from the PCI layer as an interrupt |
3772a991 JS |
11764 | * service routine when device with SLI-3 interface spec is enabled with |
11765 | * MSI-X multi-message interrupt mode and there are slow-path events in | |
11766 | * the HBA. However, when the device is enabled with either MSI or Pin-IRQ | |
11767 | * interrupt mode, this function is called as part of the device-level | |
11768 | * interrupt handler. When the PCI slot is in error recovery or the HBA | |
11769 | * is undergoing initialization, the interrupt handler will not process | |
11770 | * the interrupt. The link attention and ELS ring attention events are | |
11771 | * handled by the worker thread. The interrupt handler signals the worker | |
11772 | * thread and returns for these events. This function is called without | |
11773 | * any lock held. It gets the hbalock to access and update SLI data | |
9399627f JS |
11774 | * structures. |
11775 | * | |
11776 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
11777 | * returns IRQ_NONE. | |
e59058c4 | 11778 | **/ |
dea3101e | 11779 | irqreturn_t |
3772a991 | 11780 | lpfc_sli_sp_intr_handler(int irq, void *dev_id) |
dea3101e | 11781 | { |
2e0fef85 | 11782 | struct lpfc_hba *phba; |
a747c9ce | 11783 | uint32_t ha_copy, hc_copy; |
dea3101e JB |
11784 | uint32_t work_ha_copy; |
11785 | unsigned long status; | |
5b75da2f | 11786 | unsigned long iflag; |
dea3101e JB |
11787 | uint32_t control; |
11788 | ||
92d7f7b0 | 11789 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
11790 | struct lpfc_vport *vport; |
11791 | struct lpfc_nodelist *ndlp; | |
11792 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
11793 | LPFC_MBOXQ_t *pmb; |
11794 | int rc; | |
11795 | ||
dea3101e JB |
11796 | /* |
11797 | * Get the driver's phba structure from the dev_id and | |
11798 | * assume the HBA is not interrupting. | |
11799 | */ | |
9399627f | 11800 | phba = (struct lpfc_hba *)dev_id; |
dea3101e JB |
11801 | |
11802 | if (unlikely(!phba)) | |
11803 | return IRQ_NONE; | |
11804 | ||
dea3101e | 11805 | /* |
9399627f JS |
11806 | * Stuff needs to be attented to when this function is invoked as an |
11807 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
dea3101e | 11808 | */ |
9399627f | 11809 | if (phba->intr_type == MSIX) { |
3772a991 JS |
11810 | /* Check device state for handling interrupt */ |
11811 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
11812 | return IRQ_NONE; |
11813 | /* Need to read HA REG for slow-path events */ | |
5b75da2f | 11814 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
11815 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
11816 | goto unplug_error; | |
9399627f JS |
11817 | /* If somebody is waiting to handle an eratt don't process it |
11818 | * here. The brdkill function will do this. | |
11819 | */ | |
11820 | if (phba->link_flag & LS_IGNORE_ERATT) | |
11821 | ha_copy &= ~HA_ERATT; | |
11822 | /* Check the need for handling ERATT in interrupt handler */ | |
11823 | if (ha_copy & HA_ERATT) { | |
11824 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
11825 | /* ERATT polling has handled ERATT */ | |
11826 | ha_copy &= ~HA_ERATT; | |
11827 | else | |
11828 | /* Indicate interrupt handler handles ERATT */ | |
11829 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11830 | } | |
a257bf90 JS |
11831 | |
11832 | /* | |
11833 | * If there is deferred error attention, do not check for any | |
11834 | * interrupt. | |
11835 | */ | |
11836 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 11837 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
11838 | return IRQ_NONE; |
11839 | } | |
11840 | ||
9399627f | 11841 | /* Clear up only attention source related to slow-path */ |
9940b97b JS |
11842 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
11843 | goto unplug_error; | |
11844 | ||
a747c9ce JS |
11845 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R2INT_ENA | |
11846 | HC_LAINT_ENA | HC_ERINT_ENA), | |
11847 | phba->HCregaddr); | |
9399627f JS |
11848 | writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), |
11849 | phba->HAregaddr); | |
a747c9ce | 11850 | writel(hc_copy, phba->HCregaddr); |
9399627f | 11851 | readl(phba->HAregaddr); /* flush */ |
5b75da2f | 11852 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
11853 | } else |
11854 | ha_copy = phba->ha_copy; | |
dea3101e | 11855 | |
dea3101e JB |
11856 | work_ha_copy = ha_copy & phba->work_ha_mask; |
11857 | ||
9399627f | 11858 | if (work_ha_copy) { |
dea3101e JB |
11859 | if (work_ha_copy & HA_LATT) { |
11860 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
11861 | /* | |
11862 | * Turn off Link Attention interrupts | |
11863 | * until CLEAR_LA done | |
11864 | */ | |
5b75da2f | 11865 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 11866 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
9940b97b JS |
11867 | if (lpfc_readl(phba->HCregaddr, &control)) |
11868 | goto unplug_error; | |
dea3101e JB |
11869 | control &= ~HC_LAINT_ENA; |
11870 | writel(control, phba->HCregaddr); | |
11871 | readl(phba->HCregaddr); /* flush */ | |
5b75da2f | 11872 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
11873 | } |
11874 | else | |
11875 | work_ha_copy &= ~HA_LATT; | |
11876 | } | |
11877 | ||
9399627f | 11878 | if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) { |
858c9f6c JS |
11879 | /* |
11880 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
11881 | * the only slow ring. | |
11882 | */ | |
11883 | status = (work_ha_copy & | |
11884 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
11885 | status >>= (4*LPFC_ELS_RING); | |
11886 | if (status & HA_RXMASK) { | |
5b75da2f | 11887 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
11888 | if (lpfc_readl(phba->HCregaddr, &control)) |
11889 | goto unplug_error; | |
a58cbd52 JS |
11890 | |
11891 | lpfc_debugfs_slow_ring_trc(phba, | |
11892 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
11893 | control, status, | |
11894 | (uint32_t)phba->sli.slistat.sli_intr); | |
11895 | ||
858c9f6c | 11896 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
11897 | lpfc_debugfs_slow_ring_trc(phba, |
11898 | "ISR Disable ring:" | |
11899 | "pwork:x%x hawork:x%x wait:x%x", | |
11900 | phba->work_ha, work_ha_copy, | |
11901 | (uint32_t)((unsigned long) | |
5e9d9b82 | 11902 | &phba->work_waitq)); |
a58cbd52 | 11903 | |
858c9f6c JS |
11904 | control &= |
11905 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e JB |
11906 | writel(control, phba->HCregaddr); |
11907 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 11908 | } |
a58cbd52 JS |
11909 | else { |
11910 | lpfc_debugfs_slow_ring_trc(phba, | |
11911 | "ISR slow ring: pwork:" | |
11912 | "x%x hawork:x%x wait:x%x", | |
11913 | phba->work_ha, work_ha_copy, | |
11914 | (uint32_t)((unsigned long) | |
5e9d9b82 | 11915 | &phba->work_waitq)); |
a58cbd52 | 11916 | } |
5b75da2f | 11917 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
11918 | } |
11919 | } | |
5b75da2f | 11920 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 | 11921 | if (work_ha_copy & HA_ERATT) { |
9940b97b JS |
11922 | if (lpfc_sli_read_hs(phba)) |
11923 | goto unplug_error; | |
a257bf90 JS |
11924 | /* |
11925 | * Check if there is a deferred error condition | |
11926 | * is active | |
11927 | */ | |
11928 | if ((HS_FFER1 & phba->work_hs) && | |
11929 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 JS |
11930 | HS_FFER6 | HS_FFER7 | HS_FFER8) & |
11931 | phba->work_hs)) { | |
a257bf90 JS |
11932 | phba->hba_flag |= DEFER_ERATT; |
11933 | /* Clear all interrupt enable conditions */ | |
11934 | writel(0, phba->HCregaddr); | |
11935 | readl(phba->HCregaddr); | |
11936 | } | |
11937 | } | |
11938 | ||
9399627f | 11939 | if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { |
92d7f7b0 | 11940 | pmb = phba->sli.mbox_active; |
04c68496 | 11941 | pmbox = &pmb->u.mb; |
34b02dcd | 11942 | mbox = phba->mbox; |
858c9f6c | 11943 | vport = pmb->vport; |
92d7f7b0 JS |
11944 | |
11945 | /* First check out the status word */ | |
11946 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
11947 | if (pmbox->mbxOwner != OWN_HOST) { | |
5b75da2f | 11948 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
92d7f7b0 JS |
11949 | /* |
11950 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
11951 | * mbxStatus <status> | |
11952 | */ | |
09372820 | 11953 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | |
92d7f7b0 | 11954 | LOG_SLI, |
e8b62011 | 11955 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
11956 | "Interrupt mbxCommand x%x " |
11957 | "mbxStatus x%x\n", | |
e8b62011 | 11958 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
11959 | pmbox->mbxCommand, |
11960 | pmbox->mbxStatus); | |
09372820 JS |
11961 | /* clear mailbox attention bit */ |
11962 | work_ha_copy &= ~HA_MBATT; | |
11963 | } else { | |
97eab634 | 11964 | phba->sli.mbox_active = NULL; |
5b75da2f | 11965 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
09372820 JS |
11966 | phba->last_completion_time = jiffies; |
11967 | del_timer(&phba->sli.mbox_tmo); | |
09372820 JS |
11968 | if (pmb->mbox_cmpl) { |
11969 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
11970 | MAILBOX_CMD_SIZE); | |
7a470277 JS |
11971 | if (pmb->out_ext_byte_len && |
11972 | pmb->context2) | |
11973 | lpfc_sli_pcimem_bcopy( | |
11974 | phba->mbox_ext, | |
11975 | pmb->context2, | |
11976 | pmb->out_ext_byte_len); | |
09372820 JS |
11977 | } |
11978 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
11979 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
11980 | ||
11981 | lpfc_debugfs_disc_trc(vport, | |
11982 | LPFC_DISC_TRC_MBOX_VPORT, | |
11983 | "MBOX dflt rpi: : " | |
11984 | "status:x%x rpi:x%x", | |
11985 | (uint32_t)pmbox->mbxStatus, | |
11986 | pmbox->un.varWords[0], 0); | |
11987 | ||
11988 | if (!pmbox->mbxStatus) { | |
11989 | mp = (struct lpfc_dmabuf *) | |
11990 | (pmb->context1); | |
11991 | ndlp = (struct lpfc_nodelist *) | |
11992 | pmb->context2; | |
11993 | ||
11994 | /* Reg_LOGIN of dflt RPI was | |
11995 | * successful. new lets get | |
11996 | * rid of the RPI using the | |
11997 | * same mbox buffer. | |
11998 | */ | |
11999 | lpfc_unreg_login(phba, | |
12000 | vport->vpi, | |
12001 | pmbox->un.varWords[0], | |
12002 | pmb); | |
12003 | pmb->mbox_cmpl = | |
12004 | lpfc_mbx_cmpl_dflt_rpi; | |
12005 | pmb->context1 = mp; | |
12006 | pmb->context2 = ndlp; | |
12007 | pmb->vport = vport; | |
58da1ffb JS |
12008 | rc = lpfc_sli_issue_mbox(phba, |
12009 | pmb, | |
12010 | MBX_NOWAIT); | |
12011 | if (rc != MBX_BUSY) | |
12012 | lpfc_printf_log(phba, | |
12013 | KERN_ERR, | |
12014 | LOG_MBOX | LOG_SLI, | |
d7c255b2 | 12015 | "0350 rc should have" |
6a9c52cf | 12016 | "been MBX_BUSY\n"); |
3772a991 JS |
12017 | if (rc != MBX_NOT_FINISHED) |
12018 | goto send_current_mbox; | |
09372820 | 12019 | } |
858c9f6c | 12020 | } |
5b75da2f JS |
12021 | spin_lock_irqsave( |
12022 | &phba->pport->work_port_lock, | |
12023 | iflag); | |
09372820 JS |
12024 | phba->pport->work_port_events &= |
12025 | ~WORKER_MBOX_TMO; | |
5b75da2f JS |
12026 | spin_unlock_irqrestore( |
12027 | &phba->pport->work_port_lock, | |
12028 | iflag); | |
09372820 | 12029 | lpfc_mbox_cmpl_put(phba, pmb); |
858c9f6c | 12030 | } |
97eab634 | 12031 | } else |
5b75da2f | 12032 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f | 12033 | |
92d7f7b0 JS |
12034 | if ((work_ha_copy & HA_MBATT) && |
12035 | (phba->sli.mbox_active == NULL)) { | |
858c9f6c | 12036 | send_current_mbox: |
92d7f7b0 | 12037 | /* Process next mailbox command if there is one */ |
58da1ffb JS |
12038 | do { |
12039 | rc = lpfc_sli_issue_mbox(phba, NULL, | |
12040 | MBX_NOWAIT); | |
12041 | } while (rc == MBX_NOT_FINISHED); | |
12042 | if (rc != MBX_SUCCESS) | |
12043 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
12044 | LOG_SLI, "0349 rc should be " | |
6a9c52cf | 12045 | "MBX_SUCCESS\n"); |
92d7f7b0 JS |
12046 | } |
12047 | ||
5b75da2f | 12048 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12049 | phba->work_ha |= work_ha_copy; |
5b75da2f | 12050 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
5e9d9b82 | 12051 | lpfc_worker_wake_up(phba); |
dea3101e | 12052 | } |
9399627f | 12053 | return IRQ_HANDLED; |
9940b97b JS |
12054 | unplug_error: |
12055 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
12056 | return IRQ_HANDLED; | |
dea3101e | 12057 | |
3772a991 | 12058 | } /* lpfc_sli_sp_intr_handler */ |
9399627f JS |
12059 | |
12060 | /** | |
3772a991 | 12061 | * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device. |
9399627f JS |
12062 | * @irq: Interrupt number. |
12063 | * @dev_id: The device context pointer. | |
12064 | * | |
12065 | * This function is directly called from the PCI layer as an interrupt | |
3772a991 JS |
12066 | * service routine when device with SLI-3 interface spec is enabled with |
12067 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
12068 | * ring event in the HBA. However, when the device is enabled with either | |
12069 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
12070 | * device-level interrupt handler. When the PCI slot is in error recovery | |
12071 | * or the HBA is undergoing initialization, the interrupt handler will not | |
12072 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
12073 | * the intrrupt context. This function is called without any lock held. | |
12074 | * It gets the hbalock to access and update SLI data structures. | |
9399627f JS |
12075 | * |
12076 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12077 | * returns IRQ_NONE. | |
12078 | **/ | |
12079 | irqreturn_t | |
3772a991 | 12080 | lpfc_sli_fp_intr_handler(int irq, void *dev_id) |
9399627f JS |
12081 | { |
12082 | struct lpfc_hba *phba; | |
12083 | uint32_t ha_copy; | |
12084 | unsigned long status; | |
5b75da2f | 12085 | unsigned long iflag; |
895427bd | 12086 | struct lpfc_sli_ring *pring; |
9399627f JS |
12087 | |
12088 | /* Get the driver's phba structure from the dev_id and | |
12089 | * assume the HBA is not interrupting. | |
12090 | */ | |
12091 | phba = (struct lpfc_hba *) dev_id; | |
12092 | ||
12093 | if (unlikely(!phba)) | |
12094 | return IRQ_NONE; | |
12095 | ||
12096 | /* | |
12097 | * Stuff needs to be attented to when this function is invoked as an | |
12098 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
12099 | */ | |
12100 | if (phba->intr_type == MSIX) { | |
3772a991 JS |
12101 | /* Check device state for handling interrupt */ |
12102 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12103 | return IRQ_NONE; |
12104 | /* Need to read HA REG for FCP ring and other ring events */ | |
9940b97b JS |
12105 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12106 | return IRQ_HANDLED; | |
9399627f | 12107 | /* Clear up only attention source related to fast-path */ |
5b75da2f | 12108 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 JS |
12109 | /* |
12110 | * If there is deferred error attention, do not check for | |
12111 | * any interrupt. | |
12112 | */ | |
12113 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12114 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12115 | return IRQ_NONE; |
12116 | } | |
9399627f JS |
12117 | writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), |
12118 | phba->HAregaddr); | |
12119 | readl(phba->HAregaddr); /* flush */ | |
5b75da2f | 12120 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12121 | } else |
12122 | ha_copy = phba->ha_copy; | |
dea3101e JB |
12123 | |
12124 | /* | |
9399627f | 12125 | * Process all events on FCP ring. Take the optimized path for FCP IO. |
dea3101e | 12126 | */ |
9399627f JS |
12127 | ha_copy &= ~(phba->work_ha_mask); |
12128 | ||
12129 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
dea3101e | 12130 | status >>= (4*LPFC_FCP_RING); |
895427bd | 12131 | pring = &phba->sli.sli3_ring[LPFC_FCP_RING]; |
858c9f6c | 12132 | if (status & HA_RXMASK) |
895427bd | 12133 | lpfc_sli_handle_fast_ring_event(phba, pring, status); |
a4bc3379 JS |
12134 | |
12135 | if (phba->cfg_multi_ring_support == 2) { | |
12136 | /* | |
9399627f JS |
12137 | * Process all events on extra ring. Take the optimized path |
12138 | * for extra ring IO. | |
a4bc3379 | 12139 | */ |
9399627f | 12140 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
a4bc3379 | 12141 | status >>= (4*LPFC_EXTRA_RING); |
858c9f6c | 12142 | if (status & HA_RXMASK) { |
a4bc3379 | 12143 | lpfc_sli_handle_fast_ring_event(phba, |
895427bd | 12144 | &phba->sli.sli3_ring[LPFC_EXTRA_RING], |
a4bc3379 JS |
12145 | status); |
12146 | } | |
12147 | } | |
dea3101e | 12148 | return IRQ_HANDLED; |
3772a991 | 12149 | } /* lpfc_sli_fp_intr_handler */ |
9399627f JS |
12150 | |
12151 | /** | |
3772a991 | 12152 | * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device |
9399627f JS |
12153 | * @irq: Interrupt number. |
12154 | * @dev_id: The device context pointer. | |
12155 | * | |
3772a991 JS |
12156 | * This function is the HBA device-level interrupt handler to device with |
12157 | * SLI-3 interface spec, called from the PCI layer when either MSI or | |
12158 | * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which | |
12159 | * requires driver attention. This function invokes the slow-path interrupt | |
12160 | * attention handling function and fast-path interrupt attention handling | |
12161 | * function in turn to process the relevant HBA attention events. This | |
12162 | * function is called without any lock held. It gets the hbalock to access | |
12163 | * and update SLI data structures. | |
9399627f JS |
12164 | * |
12165 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
12166 | * returns IRQ_NONE. | |
12167 | **/ | |
12168 | irqreturn_t | |
3772a991 | 12169 | lpfc_sli_intr_handler(int irq, void *dev_id) |
9399627f JS |
12170 | { |
12171 | struct lpfc_hba *phba; | |
12172 | irqreturn_t sp_irq_rc, fp_irq_rc; | |
12173 | unsigned long status1, status2; | |
a747c9ce | 12174 | uint32_t hc_copy; |
9399627f JS |
12175 | |
12176 | /* | |
12177 | * Get the driver's phba structure from the dev_id and | |
12178 | * assume the HBA is not interrupting. | |
12179 | */ | |
12180 | phba = (struct lpfc_hba *) dev_id; | |
12181 | ||
12182 | if (unlikely(!phba)) | |
12183 | return IRQ_NONE; | |
12184 | ||
3772a991 JS |
12185 | /* Check device state for handling interrupt */ |
12186 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12187 | return IRQ_NONE; |
12188 | ||
12189 | spin_lock(&phba->hbalock); | |
9940b97b JS |
12190 | if (lpfc_readl(phba->HAregaddr, &phba->ha_copy)) { |
12191 | spin_unlock(&phba->hbalock); | |
12192 | return IRQ_HANDLED; | |
12193 | } | |
12194 | ||
9399627f JS |
12195 | if (unlikely(!phba->ha_copy)) { |
12196 | spin_unlock(&phba->hbalock); | |
12197 | return IRQ_NONE; | |
12198 | } else if (phba->ha_copy & HA_ERATT) { | |
12199 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12200 | /* ERATT polling has handled ERATT */ | |
12201 | phba->ha_copy &= ~HA_ERATT; | |
12202 | else | |
12203 | /* Indicate interrupt handler handles ERATT */ | |
12204 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12205 | } | |
12206 | ||
a257bf90 JS |
12207 | /* |
12208 | * If there is deferred error attention, do not check for any interrupt. | |
12209 | */ | |
12210 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
ec21b3b0 | 12211 | spin_unlock(&phba->hbalock); |
a257bf90 JS |
12212 | return IRQ_NONE; |
12213 | } | |
12214 | ||
9399627f | 12215 | /* Clear attention sources except link and error attentions */ |
9940b97b JS |
12216 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) { |
12217 | spin_unlock(&phba->hbalock); | |
12218 | return IRQ_HANDLED; | |
12219 | } | |
a747c9ce JS |
12220 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R0INT_ENA | HC_R1INT_ENA |
12221 | | HC_R2INT_ENA | HC_LAINT_ENA | HC_ERINT_ENA), | |
12222 | phba->HCregaddr); | |
9399627f | 12223 | writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
a747c9ce | 12224 | writel(hc_copy, phba->HCregaddr); |
9399627f JS |
12225 | readl(phba->HAregaddr); /* flush */ |
12226 | spin_unlock(&phba->hbalock); | |
12227 | ||
12228 | /* | |
12229 | * Invokes slow-path host attention interrupt handling as appropriate. | |
12230 | */ | |
12231 | ||
12232 | /* status of events with mailbox and link attention */ | |
12233 | status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT); | |
12234 | ||
12235 | /* status of events with ELS ring */ | |
12236 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
12237 | status2 >>= (4*LPFC_ELS_RING); | |
12238 | ||
12239 | if (status1 || (status2 & HA_RXMASK)) | |
3772a991 | 12240 | sp_irq_rc = lpfc_sli_sp_intr_handler(irq, dev_id); |
9399627f JS |
12241 | else |
12242 | sp_irq_rc = IRQ_NONE; | |
12243 | ||
12244 | /* | |
12245 | * Invoke fast-path host attention interrupt handling as appropriate. | |
12246 | */ | |
12247 | ||
12248 | /* status of events with FCP ring */ | |
12249 | status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
12250 | status1 >>= (4*LPFC_FCP_RING); | |
12251 | ||
12252 | /* status of events with extra ring */ | |
12253 | if (phba->cfg_multi_ring_support == 2) { | |
12254 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
12255 | status2 >>= (4*LPFC_EXTRA_RING); | |
12256 | } else | |
12257 | status2 = 0; | |
12258 | ||
12259 | if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK)) | |
3772a991 | 12260 | fp_irq_rc = lpfc_sli_fp_intr_handler(irq, dev_id); |
9399627f JS |
12261 | else |
12262 | fp_irq_rc = IRQ_NONE; | |
dea3101e | 12263 | |
9399627f JS |
12264 | /* Return device-level interrupt handling status */ |
12265 | return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc; | |
3772a991 | 12266 | } /* lpfc_sli_intr_handler */ |
4f774513 JS |
12267 | |
12268 | /** | |
12269 | * lpfc_sli4_fcp_xri_abort_event_proc - Process fcp xri abort event | |
12270 | * @phba: pointer to lpfc hba data structure. | |
12271 | * | |
12272 | * This routine is invoked by the worker thread to process all the pending | |
12273 | * SLI4 FCP abort XRI events. | |
12274 | **/ | |
12275 | void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *phba) | |
12276 | { | |
12277 | struct lpfc_cq_event *cq_event; | |
12278 | ||
12279 | /* First, declare the fcp xri abort event has been handled */ | |
12280 | spin_lock_irq(&phba->hbalock); | |
12281 | phba->hba_flag &= ~FCP_XRI_ABORT_EVENT; | |
12282 | spin_unlock_irq(&phba->hbalock); | |
12283 | /* Now, handle all the fcp xri abort events */ | |
12284 | while (!list_empty(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue)) { | |
12285 | /* Get the first event from the head of the event queue */ | |
12286 | spin_lock_irq(&phba->hbalock); | |
12287 | list_remove_head(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
12288 | cq_event, struct lpfc_cq_event, list); | |
12289 | spin_unlock_irq(&phba->hbalock); | |
12290 | /* Notify aborted XRI for FCP work queue */ | |
12291 | lpfc_sli4_fcp_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
12292 | /* Free the event processed back to the free pool */ | |
12293 | lpfc_sli4_cq_event_release(phba, cq_event); | |
12294 | } | |
12295 | } | |
12296 | ||
318083ad JS |
12297 | /** |
12298 | * lpfc_sli4_nvme_xri_abort_event_proc - Process nvme xri abort event | |
12299 | * @phba: pointer to lpfc hba data structure. | |
12300 | * | |
12301 | * This routine is invoked by the worker thread to process all the pending | |
12302 | * SLI4 NVME abort XRI events. | |
12303 | **/ | |
12304 | void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba) | |
12305 | { | |
12306 | struct lpfc_cq_event *cq_event; | |
12307 | ||
12308 | /* First, declare the fcp xri abort event has been handled */ | |
12309 | spin_lock_irq(&phba->hbalock); | |
12310 | phba->hba_flag &= ~NVME_XRI_ABORT_EVENT; | |
12311 | spin_unlock_irq(&phba->hbalock); | |
12312 | /* Now, handle all the fcp xri abort events */ | |
12313 | while (!list_empty(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue)) { | |
12314 | /* Get the first event from the head of the event queue */ | |
12315 | spin_lock_irq(&phba->hbalock); | |
12316 | list_remove_head(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue, | |
12317 | cq_event, struct lpfc_cq_event, list); | |
12318 | spin_unlock_irq(&phba->hbalock); | |
12319 | /* Notify aborted XRI for NVME work queue */ | |
12320 | if (phba->nvmet_support) { | |
12321 | lpfc_sli4_nvmet_xri_aborted(phba, | |
12322 | &cq_event->cqe.wcqe_axri); | |
12323 | } else { | |
12324 | lpfc_sli4_nvme_xri_aborted(phba, | |
12325 | &cq_event->cqe.wcqe_axri); | |
12326 | } | |
12327 | /* Free the event processed back to the free pool */ | |
12328 | lpfc_sli4_cq_event_release(phba, cq_event); | |
12329 | } | |
12330 | } | |
12331 | ||
4f774513 JS |
12332 | /** |
12333 | * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event | |
12334 | * @phba: pointer to lpfc hba data structure. | |
12335 | * | |
12336 | * This routine is invoked by the worker thread to process all the pending | |
12337 | * SLI4 els abort xri events. | |
12338 | **/ | |
12339 | void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba) | |
12340 | { | |
12341 | struct lpfc_cq_event *cq_event; | |
12342 | ||
12343 | /* First, declare the els xri abort event has been handled */ | |
12344 | spin_lock_irq(&phba->hbalock); | |
12345 | phba->hba_flag &= ~ELS_XRI_ABORT_EVENT; | |
12346 | spin_unlock_irq(&phba->hbalock); | |
12347 | /* Now, handle all the els xri abort events */ | |
12348 | while (!list_empty(&phba->sli4_hba.sp_els_xri_aborted_work_queue)) { | |
12349 | /* Get the first event from the head of the event queue */ | |
12350 | spin_lock_irq(&phba->hbalock); | |
12351 | list_remove_head(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
12352 | cq_event, struct lpfc_cq_event, list); | |
12353 | spin_unlock_irq(&phba->hbalock); | |
12354 | /* Notify aborted XRI for ELS work queue */ | |
12355 | lpfc_sli4_els_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
12356 | /* Free the event processed back to the free pool */ | |
12357 | lpfc_sli4_cq_event_release(phba, cq_event); | |
12358 | } | |
12359 | } | |
12360 | ||
341af102 JS |
12361 | /** |
12362 | * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn | |
12363 | * @phba: pointer to lpfc hba data structure | |
12364 | * @pIocbIn: pointer to the rspiocbq | |
12365 | * @pIocbOut: pointer to the cmdiocbq | |
12366 | * @wcqe: pointer to the complete wcqe | |
12367 | * | |
12368 | * This routine transfers the fields of a command iocbq to a response iocbq | |
12369 | * by copying all the IOCB fields from command iocbq and transferring the | |
12370 | * completion status information from the complete wcqe. | |
12371 | **/ | |
4f774513 | 12372 | static void |
341af102 JS |
12373 | lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, |
12374 | struct lpfc_iocbq *pIocbIn, | |
4f774513 JS |
12375 | struct lpfc_iocbq *pIocbOut, |
12376 | struct lpfc_wcqe_complete *wcqe) | |
12377 | { | |
af22741c | 12378 | int numBdes, i; |
341af102 | 12379 | unsigned long iflags; |
af22741c JS |
12380 | uint32_t status, max_response; |
12381 | struct lpfc_dmabuf *dmabuf; | |
12382 | struct ulp_bde64 *bpl, bde; | |
4f774513 JS |
12383 | size_t offset = offsetof(struct lpfc_iocbq, iocb); |
12384 | ||
12385 | memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, | |
12386 | sizeof(struct lpfc_iocbq) - offset); | |
4f774513 | 12387 | /* Map WCQE parameters into irspiocb parameters */ |
acd6859b JS |
12388 | status = bf_get(lpfc_wcqe_c_status, wcqe); |
12389 | pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); | |
4f774513 JS |
12390 | if (pIocbOut->iocb_flag & LPFC_IO_FCP) |
12391 | if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) | |
12392 | pIocbIn->iocb.un.fcpi.fcpi_parm = | |
12393 | pIocbOut->iocb.un.fcpi.fcpi_parm - | |
12394 | wcqe->total_data_placed; | |
12395 | else | |
12396 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; | |
695a814e | 12397 | else { |
4f774513 | 12398 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; |
af22741c JS |
12399 | switch (pIocbOut->iocb.ulpCommand) { |
12400 | case CMD_ELS_REQUEST64_CR: | |
12401 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
12402 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
12403 | bde.tus.w = le32_to_cpu(bpl[1].tus.w); | |
12404 | max_response = bde.tus.f.bdeSize; | |
12405 | break; | |
12406 | case CMD_GEN_REQUEST64_CR: | |
12407 | max_response = 0; | |
12408 | if (!pIocbOut->context3) | |
12409 | break; | |
12410 | numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/ | |
12411 | sizeof(struct ulp_bde64); | |
12412 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
12413 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
12414 | for (i = 0; i < numBdes; i++) { | |
12415 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
12416 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) | |
12417 | max_response += bde.tus.f.bdeSize; | |
12418 | } | |
12419 | break; | |
12420 | default: | |
12421 | max_response = wcqe->total_data_placed; | |
12422 | break; | |
12423 | } | |
12424 | if (max_response < wcqe->total_data_placed) | |
12425 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response; | |
12426 | else | |
12427 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = | |
12428 | wcqe->total_data_placed; | |
695a814e | 12429 | } |
341af102 | 12430 | |
acd6859b JS |
12431 | /* Convert BG errors for completion status */ |
12432 | if (status == CQE_STATUS_DI_ERROR) { | |
12433 | pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
12434 | ||
12435 | if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) | |
12436 | pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; | |
12437 | else | |
12438 | pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; | |
12439 | ||
12440 | pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; | |
12441 | if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ | |
12442 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12443 | BGS_GUARD_ERR_MASK; | |
12444 | if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ | |
12445 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12446 | BGS_APPTAG_ERR_MASK; | |
12447 | if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ | |
12448 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12449 | BGS_REFTAG_ERR_MASK; | |
12450 | ||
12451 | /* Check to see if there was any good data before the error */ | |
12452 | if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { | |
12453 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12454 | BGS_HI_WATER_MARK_PRESENT_MASK; | |
12455 | pIocbIn->iocb.unsli3.sli3_bg.bghm = | |
12456 | wcqe->total_data_placed; | |
12457 | } | |
12458 | ||
12459 | /* | |
12460 | * Set ALL the error bits to indicate we don't know what | |
12461 | * type of error it is. | |
12462 | */ | |
12463 | if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) | |
12464 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12465 | (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | | |
12466 | BGS_GUARD_ERR_MASK); | |
12467 | } | |
12468 | ||
341af102 JS |
12469 | /* Pick up HBA exchange busy condition */ |
12470 | if (bf_get(lpfc_wcqe_c_xb, wcqe)) { | |
12471 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12472 | pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY; | |
12473 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12474 | } | |
4f774513 JS |
12475 | } |
12476 | ||
45ed1190 JS |
12477 | /** |
12478 | * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe | |
12479 | * @phba: Pointer to HBA context object. | |
12480 | * @wcqe: Pointer to work-queue completion queue entry. | |
12481 | * | |
12482 | * This routine handles an ELS work-queue completion event and construct | |
12483 | * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common | |
12484 | * discovery engine to handle. | |
12485 | * | |
12486 | * Return: Pointer to the receive IOCBQ, NULL otherwise. | |
12487 | **/ | |
12488 | static struct lpfc_iocbq * | |
12489 | lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, | |
12490 | struct lpfc_iocbq *irspiocbq) | |
12491 | { | |
895427bd | 12492 | struct lpfc_sli_ring *pring; |
45ed1190 JS |
12493 | struct lpfc_iocbq *cmdiocbq; |
12494 | struct lpfc_wcqe_complete *wcqe; | |
12495 | unsigned long iflags; | |
12496 | ||
895427bd JS |
12497 | pring = lpfc_phba_elsring(phba); |
12498 | ||
45ed1190 | 12499 | wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl; |
7e56aa25 | 12500 | spin_lock_irqsave(&pring->ring_lock, iflags); |
45ed1190 JS |
12501 | pring->stats.iocb_event++; |
12502 | /* Look up the ELS command IOCB and create pseudo response IOCB */ | |
12503 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, | |
12504 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
89533e9b JS |
12505 | /* Put the iocb back on the txcmplq */ |
12506 | lpfc_sli_ringtxcmpl_put(phba, pring, cmdiocbq); | |
7e56aa25 | 12507 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
45ed1190 JS |
12508 | |
12509 | if (unlikely(!cmdiocbq)) { | |
12510 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
12511 | "0386 ELS complete with no corresponding " | |
12512 | "cmdiocb: iotag (%d)\n", | |
12513 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
12514 | lpfc_sli_release_iocbq(phba, irspiocbq); | |
12515 | return NULL; | |
12516 | } | |
12517 | ||
12518 | /* Fake the irspiocbq and copy necessary response information */ | |
341af102 | 12519 | lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe); |
45ed1190 JS |
12520 | |
12521 | return irspiocbq; | |
12522 | } | |
12523 | ||
04c68496 JS |
12524 | /** |
12525 | * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event | |
12526 | * @phba: Pointer to HBA context object. | |
12527 | * @cqe: Pointer to mailbox completion queue entry. | |
12528 | * | |
12529 | * This routine process a mailbox completion queue entry with asynchrous | |
12530 | * event. | |
12531 | * | |
12532 | * Return: true if work posted to worker thread, otherwise false. | |
12533 | **/ | |
12534 | static bool | |
12535 | lpfc_sli4_sp_handle_async_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
12536 | { | |
12537 | struct lpfc_cq_event *cq_event; | |
12538 | unsigned long iflags; | |
12539 | ||
12540 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
12541 | "0392 Async Event: word0:x%x, word1:x%x, " | |
12542 | "word2:x%x, word3:x%x\n", mcqe->word0, | |
12543 | mcqe->mcqe_tag0, mcqe->mcqe_tag1, mcqe->trailer); | |
12544 | ||
12545 | /* Allocate a new internal CQ_EVENT entry */ | |
12546 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
12547 | if (!cq_event) { | |
12548 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12549 | "0394 Failed to allocate CQ_EVENT entry\n"); | |
12550 | return false; | |
12551 | } | |
12552 | ||
12553 | /* Move the CQE into an asynchronous event entry */ | |
12554 | memcpy(&cq_event->cqe, mcqe, sizeof(struct lpfc_mcqe)); | |
12555 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12556 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_asynce_work_queue); | |
12557 | /* Set the async event flag */ | |
12558 | phba->hba_flag |= ASYNC_EVENT; | |
12559 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12560 | ||
12561 | return true; | |
12562 | } | |
12563 | ||
12564 | /** | |
12565 | * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event | |
12566 | * @phba: Pointer to HBA context object. | |
12567 | * @cqe: Pointer to mailbox completion queue entry. | |
12568 | * | |
12569 | * This routine process a mailbox completion queue entry with mailbox | |
12570 | * completion event. | |
12571 | * | |
12572 | * Return: true if work posted to worker thread, otherwise false. | |
12573 | **/ | |
12574 | static bool | |
12575 | lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
12576 | { | |
12577 | uint32_t mcqe_status; | |
12578 | MAILBOX_t *mbox, *pmbox; | |
12579 | struct lpfc_mqe *mqe; | |
12580 | struct lpfc_vport *vport; | |
12581 | struct lpfc_nodelist *ndlp; | |
12582 | struct lpfc_dmabuf *mp; | |
12583 | unsigned long iflags; | |
12584 | LPFC_MBOXQ_t *pmb; | |
12585 | bool workposted = false; | |
12586 | int rc; | |
12587 | ||
12588 | /* If not a mailbox complete MCQE, out by checking mailbox consume */ | |
12589 | if (!bf_get(lpfc_trailer_completed, mcqe)) | |
12590 | goto out_no_mqe_complete; | |
12591 | ||
12592 | /* Get the reference to the active mbox command */ | |
12593 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12594 | pmb = phba->sli.mbox_active; | |
12595 | if (unlikely(!pmb)) { | |
12596 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
12597 | "1832 No pending MBOX command to handle\n"); | |
12598 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12599 | goto out_no_mqe_complete; | |
12600 | } | |
12601 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12602 | mqe = &pmb->u.mqe; | |
12603 | pmbox = (MAILBOX_t *)&pmb->u.mqe; | |
12604 | mbox = phba->mbox; | |
12605 | vport = pmb->vport; | |
12606 | ||
12607 | /* Reset heartbeat timer */ | |
12608 | phba->last_completion_time = jiffies; | |
12609 | del_timer(&phba->sli.mbox_tmo); | |
12610 | ||
12611 | /* Move mbox data to caller's mailbox region, do endian swapping */ | |
12612 | if (pmb->mbox_cmpl && mbox) | |
12613 | lpfc_sli_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe)); | |
04c68496 | 12614 | |
73d91e50 JS |
12615 | /* |
12616 | * For mcqe errors, conditionally move a modified error code to | |
12617 | * the mbox so that the error will not be missed. | |
12618 | */ | |
12619 | mcqe_status = bf_get(lpfc_mcqe_status, mcqe); | |
12620 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { | |
12621 | if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS) | |
12622 | bf_set(lpfc_mqe_status, mqe, | |
12623 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
12624 | } | |
04c68496 JS |
12625 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { |
12626 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
12627 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT, | |
12628 | "MBOX dflt rpi: status:x%x rpi:x%x", | |
12629 | mcqe_status, | |
12630 | pmbox->un.varWords[0], 0); | |
12631 | if (mcqe_status == MB_CQE_STATUS_SUCCESS) { | |
12632 | mp = (struct lpfc_dmabuf *)(pmb->context1); | |
12633 | ndlp = (struct lpfc_nodelist *)pmb->context2; | |
12634 | /* Reg_LOGIN of dflt RPI was successful. Now lets get | |
12635 | * RID of the PPI using the same mbox buffer. | |
12636 | */ | |
12637 | lpfc_unreg_login(phba, vport->vpi, | |
12638 | pmbox->un.varWords[0], pmb); | |
12639 | pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
12640 | pmb->context1 = mp; | |
12641 | pmb->context2 = ndlp; | |
12642 | pmb->vport = vport; | |
12643 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
12644 | if (rc != MBX_BUSY) | |
12645 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
12646 | LOG_SLI, "0385 rc should " | |
12647 | "have been MBX_BUSY\n"); | |
12648 | if (rc != MBX_NOT_FINISHED) | |
12649 | goto send_current_mbox; | |
12650 | } | |
12651 | } | |
12652 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
12653 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
12654 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
12655 | ||
12656 | /* There is mailbox completion work to do */ | |
12657 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12658 | __lpfc_mbox_cmpl_put(phba, pmb); | |
12659 | phba->work_ha |= HA_MBATT; | |
12660 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12661 | workposted = true; | |
12662 | ||
12663 | send_current_mbox: | |
12664 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12665 | /* Release the mailbox command posting token */ | |
12666 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
12667 | /* Setting active mailbox pointer need to be in sync to flag clear */ | |
12668 | phba->sli.mbox_active = NULL; | |
12669 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12670 | /* Wake up worker thread to post the next pending mailbox command */ | |
12671 | lpfc_worker_wake_up(phba); | |
12672 | out_no_mqe_complete: | |
12673 | if (bf_get(lpfc_trailer_consumed, mcqe)) | |
12674 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
12675 | return workposted; | |
12676 | } | |
12677 | ||
12678 | /** | |
12679 | * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry | |
12680 | * @phba: Pointer to HBA context object. | |
12681 | * @cqe: Pointer to mailbox completion queue entry. | |
12682 | * | |
12683 | * This routine process a mailbox completion queue entry, it invokes the | |
12684 | * proper mailbox complete handling or asynchrous event handling routine | |
12685 | * according to the MCQE's async bit. | |
12686 | * | |
12687 | * Return: true if work posted to worker thread, otherwise false. | |
12688 | **/ | |
12689 | static bool | |
12690 | lpfc_sli4_sp_handle_mcqe(struct lpfc_hba *phba, struct lpfc_cqe *cqe) | |
12691 | { | |
12692 | struct lpfc_mcqe mcqe; | |
12693 | bool workposted; | |
12694 | ||
12695 | /* Copy the mailbox MCQE and convert endian order as needed */ | |
12696 | lpfc_sli_pcimem_bcopy(cqe, &mcqe, sizeof(struct lpfc_mcqe)); | |
12697 | ||
12698 | /* Invoke the proper event handling routine */ | |
12699 | if (!bf_get(lpfc_trailer_async, &mcqe)) | |
12700 | workposted = lpfc_sli4_sp_handle_mbox_event(phba, &mcqe); | |
12701 | else | |
12702 | workposted = lpfc_sli4_sp_handle_async_event(phba, &mcqe); | |
12703 | return workposted; | |
12704 | } | |
12705 | ||
4f774513 JS |
12706 | /** |
12707 | * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event | |
12708 | * @phba: Pointer to HBA context object. | |
2a76a283 | 12709 | * @cq: Pointer to associated CQ |
4f774513 JS |
12710 | * @wcqe: Pointer to work-queue completion queue entry. |
12711 | * | |
12712 | * This routine handles an ELS work-queue completion event. | |
12713 | * | |
12714 | * Return: true if work posted to worker thread, otherwise false. | |
12715 | **/ | |
12716 | static bool | |
2a76a283 | 12717 | lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
12718 | struct lpfc_wcqe_complete *wcqe) |
12719 | { | |
4f774513 JS |
12720 | struct lpfc_iocbq *irspiocbq; |
12721 | unsigned long iflags; | |
2a76a283 | 12722 | struct lpfc_sli_ring *pring = cq->pring; |
0e9bb8d7 JS |
12723 | int txq_cnt = 0; |
12724 | int txcmplq_cnt = 0; | |
12725 | int fcp_txcmplq_cnt = 0; | |
4f774513 | 12726 | |
45ed1190 | 12727 | /* Get an irspiocbq for later ELS response processing use */ |
4f774513 JS |
12728 | irspiocbq = lpfc_sli_get_iocbq(phba); |
12729 | if (!irspiocbq) { | |
0e9bb8d7 JS |
12730 | if (!list_empty(&pring->txq)) |
12731 | txq_cnt++; | |
12732 | if (!list_empty(&pring->txcmplq)) | |
12733 | txcmplq_cnt++; | |
4f774513 | 12734 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
2a9bf3d0 JS |
12735 | "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d " |
12736 | "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n", | |
0e9bb8d7 JS |
12737 | txq_cnt, phba->iocb_cnt, |
12738 | fcp_txcmplq_cnt, | |
12739 | txcmplq_cnt); | |
45ed1190 | 12740 | return false; |
4f774513 | 12741 | } |
4f774513 | 12742 | |
45ed1190 JS |
12743 | /* Save off the slow-path queue event for work thread to process */ |
12744 | memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe)); | |
4f774513 | 12745 | spin_lock_irqsave(&phba->hbalock, iflags); |
4d9ab994 | 12746 | list_add_tail(&irspiocbq->cq_event.list, |
45ed1190 JS |
12747 | &phba->sli4_hba.sp_queue_event); |
12748 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
4f774513 | 12749 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
4f774513 | 12750 | |
45ed1190 | 12751 | return true; |
4f774513 JS |
12752 | } |
12753 | ||
12754 | /** | |
12755 | * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event | |
12756 | * @phba: Pointer to HBA context object. | |
12757 | * @wcqe: Pointer to work-queue completion queue entry. | |
12758 | * | |
3f8b6fb7 | 12759 | * This routine handles slow-path WQ entry consumed event by invoking the |
4f774513 JS |
12760 | * proper WQ release routine to the slow-path WQ. |
12761 | **/ | |
12762 | static void | |
12763 | lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba *phba, | |
12764 | struct lpfc_wcqe_release *wcqe) | |
12765 | { | |
2e90f4b5 JS |
12766 | /* sanity check on queue memory */ |
12767 | if (unlikely(!phba->sli4_hba.els_wq)) | |
12768 | return; | |
4f774513 JS |
12769 | /* Check for the slow-path ELS work queue */ |
12770 | if (bf_get(lpfc_wcqe_r_wq_id, wcqe) == phba->sli4_hba.els_wq->queue_id) | |
12771 | lpfc_sli4_wq_release(phba->sli4_hba.els_wq, | |
12772 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
12773 | else | |
12774 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
12775 | "2579 Slow-path wqe consume event carries " | |
12776 | "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n", | |
12777 | bf_get(lpfc_wcqe_r_wqe_index, wcqe), | |
12778 | phba->sli4_hba.els_wq->queue_id); | |
12779 | } | |
12780 | ||
12781 | /** | |
12782 | * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event | |
12783 | * @phba: Pointer to HBA context object. | |
12784 | * @cq: Pointer to a WQ completion queue. | |
12785 | * @wcqe: Pointer to work-queue completion queue entry. | |
12786 | * | |
12787 | * This routine handles an XRI abort event. | |
12788 | * | |
12789 | * Return: true if work posted to worker thread, otherwise false. | |
12790 | **/ | |
12791 | static bool | |
12792 | lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba, | |
12793 | struct lpfc_queue *cq, | |
12794 | struct sli4_wcqe_xri_aborted *wcqe) | |
12795 | { | |
12796 | bool workposted = false; | |
12797 | struct lpfc_cq_event *cq_event; | |
12798 | unsigned long iflags; | |
12799 | ||
12800 | /* Allocate a new internal CQ_EVENT entry */ | |
12801 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
12802 | if (!cq_event) { | |
12803 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12804 | "0602 Failed to allocate CQ_EVENT entry\n"); | |
12805 | return false; | |
12806 | } | |
12807 | ||
12808 | /* Move the CQE into the proper xri abort event list */ | |
12809 | memcpy(&cq_event->cqe, wcqe, sizeof(struct sli4_wcqe_xri_aborted)); | |
12810 | switch (cq->subtype) { | |
12811 | case LPFC_FCP: | |
12812 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12813 | list_add_tail(&cq_event->list, | |
12814 | &phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
12815 | /* Set the fcp xri abort event flag */ | |
12816 | phba->hba_flag |= FCP_XRI_ABORT_EVENT; | |
12817 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12818 | workposted = true; | |
12819 | break; | |
12820 | case LPFC_ELS: | |
12821 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12822 | list_add_tail(&cq_event->list, | |
12823 | &phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
12824 | /* Set the els xri abort event flag */ | |
12825 | phba->hba_flag |= ELS_XRI_ABORT_EVENT; | |
12826 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12827 | workposted = true; | |
12828 | break; | |
318083ad JS |
12829 | case LPFC_NVME: |
12830 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12831 | list_add_tail(&cq_event->list, | |
12832 | &phba->sli4_hba.sp_nvme_xri_aborted_work_queue); | |
12833 | /* Set the nvme xri abort event flag */ | |
12834 | phba->hba_flag |= NVME_XRI_ABORT_EVENT; | |
12835 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12836 | workposted = true; | |
12837 | break; | |
4f774513 JS |
12838 | default: |
12839 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
318083ad JS |
12840 | "0603 Invalid CQ subtype %d: " |
12841 | "%08x %08x %08x %08x\n", | |
12842 | cq->subtype, wcqe->word0, wcqe->parameter, | |
12843 | wcqe->word2, wcqe->word3); | |
12844 | lpfc_sli4_cq_event_release(phba, cq_event); | |
4f774513 JS |
12845 | workposted = false; |
12846 | break; | |
12847 | } | |
12848 | return workposted; | |
12849 | } | |
12850 | ||
4f774513 JS |
12851 | /** |
12852 | * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry | |
12853 | * @phba: Pointer to HBA context object. | |
12854 | * @rcqe: Pointer to receive-queue completion queue entry. | |
12855 | * | |
12856 | * This routine process a receive-queue completion queue entry. | |
12857 | * | |
12858 | * Return: true if work posted to worker thread, otherwise false. | |
12859 | **/ | |
12860 | static bool | |
4d9ab994 | 12861 | lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) |
4f774513 | 12862 | { |
4f774513 | 12863 | bool workposted = false; |
895427bd | 12864 | struct fc_frame_header *fc_hdr; |
4f774513 JS |
12865 | struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; |
12866 | struct lpfc_queue *drq = phba->sli4_hba.dat_rq; | |
547077a4 | 12867 | struct lpfc_nvmet_tgtport *tgtp; |
4f774513 | 12868 | struct hbq_dmabuf *dma_buf; |
7851fe2c | 12869 | uint32_t status, rq_id; |
4f774513 JS |
12870 | unsigned long iflags; |
12871 | ||
2e90f4b5 JS |
12872 | /* sanity check on queue memory */ |
12873 | if (unlikely(!hrq) || unlikely(!drq)) | |
12874 | return workposted; | |
12875 | ||
7851fe2c JS |
12876 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) |
12877 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
12878 | else | |
12879 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
12880 | if (rq_id != hrq->queue_id) | |
4f774513 JS |
12881 | goto out; |
12882 | ||
4d9ab994 | 12883 | status = bf_get(lpfc_rcqe_status, rcqe); |
4f774513 JS |
12884 | switch (status) { |
12885 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
12886 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12887 | "2537 Receive Frame Truncated!!\n"); | |
12888 | case FC_STATUS_RQ_SUCCESS: | |
5ffc266e | 12889 | lpfc_sli4_rq_release(hrq, drq); |
4f774513 JS |
12890 | spin_lock_irqsave(&phba->hbalock, iflags); |
12891 | dma_buf = lpfc_sli_hbqbuf_get(&phba->hbqs[0].hbq_buffer_list); | |
12892 | if (!dma_buf) { | |
b84daac9 | 12893 | hrq->RQ_no_buf_found++; |
4f774513 JS |
12894 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
12895 | goto out; | |
12896 | } | |
b84daac9 | 12897 | hrq->RQ_rcv_buf++; |
547077a4 | 12898 | hrq->RQ_buf_posted--; |
4d9ab994 | 12899 | memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe)); |
895427bd JS |
12900 | |
12901 | /* If a NVME LS event (type 0x28), treat it as Fast path */ | |
12902 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; | |
12903 | ||
4f774513 | 12904 | /* save off the frame for the word thread to process */ |
4d9ab994 | 12905 | list_add_tail(&dma_buf->cq_event.list, |
45ed1190 | 12906 | &phba->sli4_hba.sp_queue_event); |
4f774513 | 12907 | /* Frame received */ |
45ed1190 | 12908 | phba->hba_flag |= HBA_SP_QUEUE_EVT; |
4f774513 JS |
12909 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
12910 | workposted = true; | |
12911 | break; | |
4f774513 | 12912 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
12913 | if (phba->nvmet_support) { |
12914 | tgtp = phba->targetport->private; | |
12915 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
12916 | "6402 RQE Error x%x, posted %d err_cnt " | |
12917 | "%d: %x %x %x\n", | |
12918 | status, hrq->RQ_buf_posted, | |
12919 | hrq->RQ_no_posted_buf, | |
12920 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
12921 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
12922 | atomic_read(&tgtp->xmt_fcp_release)); | |
12923 | } | |
12924 | /* fallthrough */ | |
12925 | ||
12926 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
b84daac9 | 12927 | hrq->RQ_no_posted_buf++; |
4f774513 JS |
12928 | /* Post more buffers if possible */ |
12929 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12930 | phba->hba_flag |= HBA_POST_RECEIVE_BUFFER; | |
12931 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12932 | workposted = true; | |
12933 | break; | |
12934 | } | |
12935 | out: | |
12936 | return workposted; | |
4f774513 JS |
12937 | } |
12938 | ||
4d9ab994 JS |
12939 | /** |
12940 | * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry | |
12941 | * @phba: Pointer to HBA context object. | |
12942 | * @cq: Pointer to the completion queue. | |
12943 | * @wcqe: Pointer to a completion queue entry. | |
12944 | * | |
25985edc | 12945 | * This routine process a slow-path work-queue or receive queue completion queue |
4d9ab994 JS |
12946 | * entry. |
12947 | * | |
12948 | * Return: true if work posted to worker thread, otherwise false. | |
12949 | **/ | |
12950 | static bool | |
12951 | lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
12952 | struct lpfc_cqe *cqe) | |
12953 | { | |
45ed1190 | 12954 | struct lpfc_cqe cqevt; |
4d9ab994 JS |
12955 | bool workposted = false; |
12956 | ||
12957 | /* Copy the work queue CQE and convert endian order if needed */ | |
45ed1190 | 12958 | lpfc_sli_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe)); |
4d9ab994 JS |
12959 | |
12960 | /* Check and process for different type of WCQE and dispatch */ | |
45ed1190 | 12961 | switch (bf_get(lpfc_cqe_code, &cqevt)) { |
4d9ab994 | 12962 | case CQE_CODE_COMPL_WQE: |
45ed1190 | 12963 | /* Process the WQ/RQ complete event */ |
bc73905a | 12964 | phba->last_completion_time = jiffies; |
2a76a283 | 12965 | workposted = lpfc_sli4_sp_handle_els_wcqe(phba, cq, |
45ed1190 | 12966 | (struct lpfc_wcqe_complete *)&cqevt); |
4d9ab994 JS |
12967 | break; |
12968 | case CQE_CODE_RELEASE_WQE: | |
12969 | /* Process the WQ release event */ | |
12970 | lpfc_sli4_sp_handle_rel_wcqe(phba, | |
45ed1190 | 12971 | (struct lpfc_wcqe_release *)&cqevt); |
4d9ab994 JS |
12972 | break; |
12973 | case CQE_CODE_XRI_ABORTED: | |
12974 | /* Process the WQ XRI abort event */ | |
bc73905a | 12975 | phba->last_completion_time = jiffies; |
4d9ab994 | 12976 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
45ed1190 | 12977 | (struct sli4_wcqe_xri_aborted *)&cqevt); |
4d9ab994 JS |
12978 | break; |
12979 | case CQE_CODE_RECEIVE: | |
7851fe2c | 12980 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 | 12981 | /* Process the RQ event */ |
bc73905a | 12982 | phba->last_completion_time = jiffies; |
4d9ab994 | 12983 | workposted = lpfc_sli4_sp_handle_rcqe(phba, |
45ed1190 | 12984 | (struct lpfc_rcqe *)&cqevt); |
4d9ab994 JS |
12985 | break; |
12986 | default: | |
12987 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12988 | "0388 Not a valid WCQE code: x%x\n", | |
45ed1190 | 12989 | bf_get(lpfc_cqe_code, &cqevt)); |
4d9ab994 JS |
12990 | break; |
12991 | } | |
12992 | return workposted; | |
12993 | } | |
12994 | ||
4f774513 JS |
12995 | /** |
12996 | * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry | |
12997 | * @phba: Pointer to HBA context object. | |
12998 | * @eqe: Pointer to fast-path event queue entry. | |
12999 | * | |
13000 | * This routine process a event queue entry from the slow-path event queue. | |
13001 | * It will check the MajorCode and MinorCode to determine this is for a | |
13002 | * completion event on a completion queue, if not, an error shall be logged | |
13003 | * and just return. Otherwise, it will get to the corresponding completion | |
13004 | * queue and process all the entries on that completion queue, rearm the | |
13005 | * completion queue, and then return. | |
13006 | * | |
13007 | **/ | |
13008 | static void | |
67d12733 JS |
13009 | lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
13010 | struct lpfc_queue *speq) | |
4f774513 | 13011 | { |
67d12733 | 13012 | struct lpfc_queue *cq = NULL, *childq; |
4f774513 JS |
13013 | struct lpfc_cqe *cqe; |
13014 | bool workposted = false; | |
13015 | int ecount = 0; | |
13016 | uint16_t cqid; | |
13017 | ||
4f774513 | 13018 | /* Get the reference to the corresponding CQ */ |
cb5172ea | 13019 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); |
4f774513 | 13020 | |
4f774513 JS |
13021 | list_for_each_entry(childq, &speq->child_list, list) { |
13022 | if (childq->queue_id == cqid) { | |
13023 | cq = childq; | |
13024 | break; | |
13025 | } | |
13026 | } | |
13027 | if (unlikely(!cq)) { | |
75baf696 JS |
13028 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
13029 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13030 | "0365 Slow-path CQ identifier " | |
13031 | "(%d) does not exist\n", cqid); | |
4f774513 JS |
13032 | return; |
13033 | } | |
13034 | ||
895427bd JS |
13035 | /* Save EQ associated with this CQ */ |
13036 | cq->assoc_qp = speq; | |
13037 | ||
4f774513 JS |
13038 | /* Process all the entries to the CQ */ |
13039 | switch (cq->type) { | |
13040 | case LPFC_MCQ: | |
13041 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
13042 | workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe); | |
73d91e50 | 13043 | if (!(++ecount % cq->entry_repost)) |
7869da18 | 13044 | break; |
b84daac9 | 13045 | cq->CQ_mbox++; |
4f774513 JS |
13046 | } |
13047 | break; | |
13048 | case LPFC_WCQ: | |
13049 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
895427bd JS |
13050 | if ((cq->subtype == LPFC_FCP) || |
13051 | (cq->subtype == LPFC_NVME)) | |
13052 | workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, | |
0558056c JS |
13053 | cqe); |
13054 | else | |
13055 | workposted |= lpfc_sli4_sp_handle_cqe(phba, cq, | |
13056 | cqe); | |
73d91e50 | 13057 | if (!(++ecount % cq->entry_repost)) |
7869da18 | 13058 | break; |
4f774513 | 13059 | } |
b84daac9 JS |
13060 | |
13061 | /* Track the max number of CQEs processed in 1 EQ */ | |
13062 | if (ecount > cq->CQ_max_cqe) | |
13063 | cq->CQ_max_cqe = ecount; | |
4f774513 JS |
13064 | break; |
13065 | default: | |
13066 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13067 | "0370 Invalid completion queue type (%d)\n", | |
13068 | cq->type); | |
13069 | return; | |
13070 | } | |
13071 | ||
13072 | /* Catch the no cq entry condition, log an error */ | |
13073 | if (unlikely(ecount == 0)) | |
13074 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13075 | "0371 No entry from the CQ: identifier " | |
13076 | "(x%x), type (%d)\n", cq->queue_id, cq->type); | |
13077 | ||
13078 | /* In any case, flash and re-arm the RCQ */ | |
13079 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM); | |
13080 | ||
13081 | /* wake up worker thread if there are works to be done */ | |
13082 | if (workposted) | |
13083 | lpfc_worker_wake_up(phba); | |
13084 | } | |
13085 | ||
13086 | /** | |
13087 | * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry | |
2a76a283 JS |
13088 | * @phba: Pointer to HBA context object. |
13089 | * @cq: Pointer to associated CQ | |
13090 | * @wcqe: Pointer to work-queue completion queue entry. | |
4f774513 JS |
13091 | * |
13092 | * This routine process a fast-path work queue completion entry from fast-path | |
13093 | * event queue for FCP command response completion. | |
13094 | **/ | |
13095 | static void | |
2a76a283 | 13096 | lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13097 | struct lpfc_wcqe_complete *wcqe) |
13098 | { | |
2a76a283 | 13099 | struct lpfc_sli_ring *pring = cq->pring; |
4f774513 JS |
13100 | struct lpfc_iocbq *cmdiocbq; |
13101 | struct lpfc_iocbq irspiocbq; | |
13102 | unsigned long iflags; | |
13103 | ||
4f774513 JS |
13104 | /* Check for response status */ |
13105 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
13106 | /* If resource errors reported from HBA, reduce queue | |
13107 | * depth of the SCSI device. | |
13108 | */ | |
e3d2b802 JS |
13109 | if (((bf_get(lpfc_wcqe_c_status, wcqe) == |
13110 | IOSTAT_LOCAL_REJECT)) && | |
13111 | ((wcqe->parameter & IOERR_PARAM_MASK) == | |
13112 | IOERR_NO_RESOURCES)) | |
4f774513 | 13113 | phba->lpfc_rampdown_queue_depth(phba); |
e3d2b802 | 13114 | |
4f774513 JS |
13115 | /* Log the error status */ |
13116 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13117 | "0373 FCP complete error: status=x%x, " | |
13118 | "hw_status=x%x, total_data_specified=%d, " | |
13119 | "parameter=x%x, word3=x%x\n", | |
13120 | bf_get(lpfc_wcqe_c_status, wcqe), | |
13121 | bf_get(lpfc_wcqe_c_hw_status, wcqe), | |
13122 | wcqe->total_data_placed, wcqe->parameter, | |
13123 | wcqe->word3); | |
13124 | } | |
13125 | ||
13126 | /* Look up the FCP command IOCB and create pseudo response IOCB */ | |
7e56aa25 JS |
13127 | spin_lock_irqsave(&pring->ring_lock, iflags); |
13128 | pring->stats.iocb_event++; | |
4f774513 JS |
13129 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, |
13130 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
7e56aa25 | 13131 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
4f774513 JS |
13132 | if (unlikely(!cmdiocbq)) { |
13133 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13134 | "0374 FCP complete with no corresponding " | |
13135 | "cmdiocb: iotag (%d)\n", | |
13136 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13137 | return; | |
13138 | } | |
895427bd JS |
13139 | |
13140 | if (cq->assoc_qp) | |
13141 | cmdiocbq->isr_timestamp = | |
13142 | cq->assoc_qp->isr_timestamp; | |
13143 | ||
13144 | if (cmdiocbq->iocb_cmpl == NULL) { | |
13145 | if (cmdiocbq->wqe_cmpl) { | |
13146 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { | |
13147 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13148 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13149 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13150 | } | |
13151 | ||
13152 | /* Pass the cmd_iocb and the wcqe to the upper layer */ | |
13153 | (cmdiocbq->wqe_cmpl)(phba, cmdiocbq, wcqe); | |
13154 | return; | |
13155 | } | |
4f774513 JS |
13156 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
13157 | "0375 FCP cmdiocb not callback function " | |
13158 | "iotag: (%d)\n", | |
13159 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13160 | return; | |
13161 | } | |
13162 | ||
13163 | /* Fake the irspiocb and copy necessary response information */ | |
341af102 | 13164 | lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe); |
4f774513 | 13165 | |
0f65ff68 JS |
13166 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { |
13167 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13168 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13169 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13170 | } | |
13171 | ||
4f774513 JS |
13172 | /* Pass the cmd_iocb and the rsp state to the upper layer */ |
13173 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq); | |
13174 | } | |
13175 | ||
13176 | /** | |
13177 | * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event | |
13178 | * @phba: Pointer to HBA context object. | |
13179 | * @cq: Pointer to completion queue. | |
13180 | * @wcqe: Pointer to work-queue completion queue entry. | |
13181 | * | |
3f8b6fb7 | 13182 | * This routine handles an fast-path WQ entry consumed event by invoking the |
4f774513 JS |
13183 | * proper WQ release routine to the slow-path WQ. |
13184 | **/ | |
13185 | static void | |
13186 | lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13187 | struct lpfc_wcqe_release *wcqe) | |
13188 | { | |
13189 | struct lpfc_queue *childwq; | |
13190 | bool wqid_matched = false; | |
895427bd | 13191 | uint16_t hba_wqid; |
4f774513 JS |
13192 | |
13193 | /* Check for fast-path FCP work queue release */ | |
895427bd | 13194 | hba_wqid = bf_get(lpfc_wcqe_r_wq_id, wcqe); |
4f774513 | 13195 | list_for_each_entry(childwq, &cq->child_list, list) { |
895427bd | 13196 | if (childwq->queue_id == hba_wqid) { |
4f774513 JS |
13197 | lpfc_sli4_wq_release(childwq, |
13198 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
13199 | wqid_matched = true; | |
13200 | break; | |
13201 | } | |
13202 | } | |
13203 | /* Report warning log message if no match found */ | |
13204 | if (wqid_matched != true) | |
13205 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13206 | "2580 Fast-path wqe consume event carries " | |
895427bd | 13207 | "miss-matched qid: wcqe-qid=x%x\n", hba_wqid); |
4f774513 JS |
13208 | } |
13209 | ||
13210 | /** | |
2d7dbc4c JS |
13211 | * lpfc_sli4_nvmet_handle_rcqe - Process a receive-queue completion queue entry |
13212 | * @phba: Pointer to HBA context object. | |
13213 | * @rcqe: Pointer to receive-queue completion queue entry. | |
4f774513 | 13214 | * |
2d7dbc4c JS |
13215 | * This routine process a receive-queue completion queue entry. |
13216 | * | |
13217 | * Return: true if work posted to worker thread, otherwise false. | |
13218 | **/ | |
13219 | static bool | |
13220 | lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13221 | struct lpfc_rcqe *rcqe) | |
13222 | { | |
13223 | bool workposted = false; | |
13224 | struct lpfc_queue *hrq; | |
13225 | struct lpfc_queue *drq; | |
13226 | struct rqb_dmabuf *dma_buf; | |
13227 | struct fc_frame_header *fc_hdr; | |
547077a4 | 13228 | struct lpfc_nvmet_tgtport *tgtp; |
2d7dbc4c JS |
13229 | uint32_t status, rq_id; |
13230 | unsigned long iflags; | |
13231 | uint32_t fctl, idx; | |
13232 | ||
13233 | if ((phba->nvmet_support == 0) || | |
13234 | (phba->sli4_hba.nvmet_cqset == NULL)) | |
13235 | return workposted; | |
13236 | ||
13237 | idx = cq->queue_id - phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
13238 | hrq = phba->sli4_hba.nvmet_mrq_hdr[idx]; | |
13239 | drq = phba->sli4_hba.nvmet_mrq_data[idx]; | |
13240 | ||
13241 | /* sanity check on queue memory */ | |
13242 | if (unlikely(!hrq) || unlikely(!drq)) | |
13243 | return workposted; | |
13244 | ||
13245 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) | |
13246 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
13247 | else | |
13248 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
13249 | ||
13250 | if ((phba->nvmet_support == 0) || | |
13251 | (rq_id != hrq->queue_id)) | |
13252 | return workposted; | |
13253 | ||
13254 | status = bf_get(lpfc_rcqe_status, rcqe); | |
13255 | switch (status) { | |
13256 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
13257 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13258 | "6126 Receive Frame Truncated!!\n"); | |
2d7dbc4c JS |
13259 | case FC_STATUS_RQ_SUCCESS: |
13260 | lpfc_sli4_rq_release(hrq, drq); | |
13261 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13262 | dma_buf = lpfc_sli_rqbuf_get(phba, hrq); | |
13263 | if (!dma_buf) { | |
13264 | hrq->RQ_no_buf_found++; | |
13265 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13266 | goto out; | |
13267 | } | |
13268 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13269 | hrq->RQ_rcv_buf++; | |
547077a4 | 13270 | hrq->RQ_buf_posted--; |
2d7dbc4c JS |
13271 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
13272 | ||
13273 | /* Just some basic sanity checks on FCP Command frame */ | |
13274 | fctl = (fc_hdr->fh_f_ctl[0] << 16 | | |
13275 | fc_hdr->fh_f_ctl[1] << 8 | | |
13276 | fc_hdr->fh_f_ctl[2]); | |
13277 | if (((fctl & | |
13278 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) != | |
13279 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) || | |
13280 | (fc_hdr->fh_seq_cnt != 0)) /* 0 byte swapped is still 0 */ | |
13281 | goto drop; | |
13282 | ||
13283 | if (fc_hdr->fh_type == FC_TYPE_FCP) { | |
13284 | dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe); | |
d613b6a7 JS |
13285 | lpfc_nvmet_unsol_fcp_event( |
13286 | phba, phba->sli4_hba.els_wq->pring, dma_buf, | |
13287 | cq->assoc_qp->isr_timestamp); | |
2d7dbc4c JS |
13288 | return false; |
13289 | } | |
13290 | drop: | |
13291 | lpfc_in_buf_free(phba, &dma_buf->dbuf); | |
13292 | break; | |
2d7dbc4c | 13293 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
13294 | if (phba->nvmet_support) { |
13295 | tgtp = phba->targetport->private; | |
13296 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
13297 | "6401 RQE Error x%x, posted %d err_cnt " | |
13298 | "%d: %x %x %x\n", | |
13299 | status, hrq->RQ_buf_posted, | |
13300 | hrq->RQ_no_posted_buf, | |
13301 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
13302 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
13303 | atomic_read(&tgtp->xmt_fcp_release)); | |
13304 | } | |
13305 | /* fallthrough */ | |
13306 | ||
13307 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
2d7dbc4c JS |
13308 | hrq->RQ_no_posted_buf++; |
13309 | /* Post more buffers if possible */ | |
2d7dbc4c JS |
13310 | break; |
13311 | } | |
13312 | out: | |
13313 | return workposted; | |
13314 | } | |
13315 | ||
4f774513 | 13316 | /** |
895427bd | 13317 | * lpfc_sli4_fp_handle_cqe - Process fast-path work queue completion entry |
4f774513 JS |
13318 | * @cq: Pointer to the completion queue. |
13319 | * @eqe: Pointer to fast-path completion queue entry. | |
13320 | * | |
13321 | * This routine process a fast-path work queue completion entry from fast-path | |
13322 | * event queue for FCP command response completion. | |
13323 | **/ | |
13324 | static int | |
895427bd | 13325 | lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13326 | struct lpfc_cqe *cqe) |
13327 | { | |
13328 | struct lpfc_wcqe_release wcqe; | |
13329 | bool workposted = false; | |
13330 | ||
13331 | /* Copy the work queue CQE and convert endian order if needed */ | |
13332 | lpfc_sli_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe)); | |
13333 | ||
13334 | /* Check and process for different type of WCQE and dispatch */ | |
13335 | switch (bf_get(lpfc_wcqe_c_code, &wcqe)) { | |
13336 | case CQE_CODE_COMPL_WQE: | |
895427bd | 13337 | case CQE_CODE_NVME_ERSP: |
b84daac9 | 13338 | cq->CQ_wq++; |
4f774513 | 13339 | /* Process the WQ complete event */ |
98fc5dd9 | 13340 | phba->last_completion_time = jiffies; |
895427bd JS |
13341 | if ((cq->subtype == LPFC_FCP) || (cq->subtype == LPFC_NVME)) |
13342 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, | |
13343 | (struct lpfc_wcqe_complete *)&wcqe); | |
13344 | if (cq->subtype == LPFC_NVME_LS) | |
13345 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, | |
4f774513 JS |
13346 | (struct lpfc_wcqe_complete *)&wcqe); |
13347 | break; | |
13348 | case CQE_CODE_RELEASE_WQE: | |
b84daac9 | 13349 | cq->CQ_release_wqe++; |
4f774513 JS |
13350 | /* Process the WQ release event */ |
13351 | lpfc_sli4_fp_handle_rel_wcqe(phba, cq, | |
13352 | (struct lpfc_wcqe_release *)&wcqe); | |
13353 | break; | |
13354 | case CQE_CODE_XRI_ABORTED: | |
b84daac9 | 13355 | cq->CQ_xri_aborted++; |
4f774513 | 13356 | /* Process the WQ XRI abort event */ |
bc73905a | 13357 | phba->last_completion_time = jiffies; |
4f774513 JS |
13358 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
13359 | (struct sli4_wcqe_xri_aborted *)&wcqe); | |
13360 | break; | |
895427bd JS |
13361 | case CQE_CODE_RECEIVE_V1: |
13362 | case CQE_CODE_RECEIVE: | |
13363 | phba->last_completion_time = jiffies; | |
2d7dbc4c JS |
13364 | if (cq->subtype == LPFC_NVMET) { |
13365 | workposted = lpfc_sli4_nvmet_handle_rcqe( | |
13366 | phba, cq, (struct lpfc_rcqe *)&wcqe); | |
13367 | } | |
895427bd | 13368 | break; |
4f774513 JS |
13369 | default: |
13370 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 13371 | "0144 Not a valid CQE code: x%x\n", |
4f774513 JS |
13372 | bf_get(lpfc_wcqe_c_code, &wcqe)); |
13373 | break; | |
13374 | } | |
13375 | return workposted; | |
13376 | } | |
13377 | ||
13378 | /** | |
67d12733 | 13379 | * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry |
4f774513 JS |
13380 | * @phba: Pointer to HBA context object. |
13381 | * @eqe: Pointer to fast-path event queue entry. | |
13382 | * | |
13383 | * This routine process a event queue entry from the fast-path event queue. | |
13384 | * It will check the MajorCode and MinorCode to determine this is for a | |
13385 | * completion event on a completion queue, if not, an error shall be logged | |
13386 | * and just return. Otherwise, it will get to the corresponding completion | |
13387 | * queue and process all the entries on the completion queue, rearm the | |
13388 | * completion queue, and then return. | |
13389 | **/ | |
13390 | static void | |
67d12733 JS |
13391 | lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
13392 | uint32_t qidx) | |
4f774513 | 13393 | { |
895427bd | 13394 | struct lpfc_queue *cq = NULL; |
4f774513 JS |
13395 | struct lpfc_cqe *cqe; |
13396 | bool workposted = false; | |
2d7dbc4c | 13397 | uint16_t cqid, id; |
4f774513 JS |
13398 | int ecount = 0; |
13399 | ||
cb5172ea | 13400 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { |
4f774513 | 13401 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
67d12733 | 13402 | "0366 Not a valid completion " |
4f774513 | 13403 | "event: majorcode=x%x, minorcode=x%x\n", |
cb5172ea JS |
13404 | bf_get_le32(lpfc_eqe_major_code, eqe), |
13405 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
4f774513 JS |
13406 | return; |
13407 | } | |
13408 | ||
67d12733 JS |
13409 | /* Get the reference to the corresponding CQ */ |
13410 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
13411 | ||
2d7dbc4c JS |
13412 | if (phba->cfg_nvmet_mrq && phba->sli4_hba.nvmet_cqset) { |
13413 | id = phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
13414 | if ((cqid >= id) && (cqid < (id + phba->cfg_nvmet_mrq))) { | |
13415 | /* Process NVMET unsol rcv */ | |
13416 | cq = phba->sli4_hba.nvmet_cqset[cqid - id]; | |
13417 | goto process_cq; | |
13418 | } | |
67d12733 JS |
13419 | } |
13420 | ||
895427bd JS |
13421 | if (phba->sli4_hba.nvme_cq_map && |
13422 | (cqid == phba->sli4_hba.nvme_cq_map[qidx])) { | |
f358dd0c | 13423 | /* Process NVME / NVMET command completion */ |
895427bd JS |
13424 | cq = phba->sli4_hba.nvme_cq[qidx]; |
13425 | goto process_cq; | |
2e90f4b5 | 13426 | } |
67d12733 | 13427 | |
895427bd JS |
13428 | if (phba->sli4_hba.fcp_cq_map && |
13429 | (cqid == phba->sli4_hba.fcp_cq_map[qidx])) { | |
13430 | /* Process FCP command completion */ | |
13431 | cq = phba->sli4_hba.fcp_cq[qidx]; | |
13432 | goto process_cq; | |
2e90f4b5 | 13433 | } |
895427bd JS |
13434 | |
13435 | if (phba->sli4_hba.nvmels_cq && | |
13436 | (cqid == phba->sli4_hba.nvmels_cq->queue_id)) { | |
13437 | /* Process NVME unsol rcv */ | |
13438 | cq = phba->sli4_hba.nvmels_cq; | |
13439 | } | |
13440 | ||
13441 | /* Otherwise this is a Slow path event */ | |
13442 | if (cq == NULL) { | |
13443 | lpfc_sli4_sp_handle_eqe(phba, eqe, phba->sli4_hba.hba_eq[qidx]); | |
4f774513 JS |
13444 | return; |
13445 | } | |
13446 | ||
895427bd | 13447 | process_cq: |
4f774513 JS |
13448 | if (unlikely(cqid != cq->queue_id)) { |
13449 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13450 | "0368 Miss-matched fast-path completion " | |
13451 | "queue identifier: eqcqid=%d, fcpcqid=%d\n", | |
13452 | cqid, cq->queue_id); | |
13453 | return; | |
13454 | } | |
13455 | ||
895427bd JS |
13456 | /* Save EQ associated with this CQ */ |
13457 | cq->assoc_qp = phba->sli4_hba.hba_eq[qidx]; | |
13458 | ||
4f774513 JS |
13459 | /* Process all the entries to the CQ */ |
13460 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
895427bd | 13461 | workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe); |
73d91e50 | 13462 | if (!(++ecount % cq->entry_repost)) |
7869da18 | 13463 | break; |
4f774513 JS |
13464 | } |
13465 | ||
b84daac9 JS |
13466 | /* Track the max number of CQEs processed in 1 EQ */ |
13467 | if (ecount > cq->CQ_max_cqe) | |
13468 | cq->CQ_max_cqe = ecount; | |
13469 | ||
4f774513 JS |
13470 | /* Catch the no cq entry condition */ |
13471 | if (unlikely(ecount == 0)) | |
13472 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13473 | "0369 No entry from fast-path completion " | |
13474 | "queue fcpcqid=%d\n", cq->queue_id); | |
13475 | ||
13476 | /* In any case, flash and re-arm the CQ */ | |
13477 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM); | |
13478 | ||
13479 | /* wake up worker thread if there are works to be done */ | |
13480 | if (workposted) | |
13481 | lpfc_worker_wake_up(phba); | |
13482 | } | |
13483 | ||
13484 | static void | |
13485 | lpfc_sli4_eq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq) | |
13486 | { | |
13487 | struct lpfc_eqe *eqe; | |
13488 | ||
13489 | /* walk all the EQ entries and drop on the floor */ | |
13490 | while ((eqe = lpfc_sli4_eq_get(eq))) | |
13491 | ; | |
13492 | ||
13493 | /* Clear and re-arm the EQ */ | |
13494 | lpfc_sli4_eq_release(eq, LPFC_QUEUE_REARM); | |
13495 | } | |
13496 | ||
1ba981fd JS |
13497 | |
13498 | /** | |
13499 | * lpfc_sli4_fof_handle_eqe - Process a Flash Optimized Fabric event queue | |
13500 | * entry | |
13501 | * @phba: Pointer to HBA context object. | |
13502 | * @eqe: Pointer to fast-path event queue entry. | |
13503 | * | |
13504 | * This routine process a event queue entry from the Flash Optimized Fabric | |
13505 | * event queue. It will check the MajorCode and MinorCode to determine this | |
13506 | * is for a completion event on a completion queue, if not, an error shall be | |
13507 | * logged and just return. Otherwise, it will get to the corresponding | |
13508 | * completion queue and process all the entries on the completion queue, rearm | |
13509 | * the completion queue, and then return. | |
13510 | **/ | |
13511 | static void | |
13512 | lpfc_sli4_fof_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe) | |
13513 | { | |
13514 | struct lpfc_queue *cq; | |
13515 | struct lpfc_cqe *cqe; | |
13516 | bool workposted = false; | |
13517 | uint16_t cqid; | |
13518 | int ecount = 0; | |
13519 | ||
13520 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { | |
13521 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13522 | "9147 Not a valid completion " | |
13523 | "event: majorcode=x%x, minorcode=x%x\n", | |
13524 | bf_get_le32(lpfc_eqe_major_code, eqe), | |
13525 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
13526 | return; | |
13527 | } | |
13528 | ||
13529 | /* Get the reference to the corresponding CQ */ | |
13530 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
13531 | ||
13532 | /* Next check for OAS */ | |
13533 | cq = phba->sli4_hba.oas_cq; | |
13534 | if (unlikely(!cq)) { | |
13535 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) | |
13536 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13537 | "9148 OAS completion queue " | |
13538 | "does not exist\n"); | |
13539 | return; | |
13540 | } | |
13541 | ||
13542 | if (unlikely(cqid != cq->queue_id)) { | |
13543 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13544 | "9149 Miss-matched fast-path compl " | |
13545 | "queue id: eqcqid=%d, fcpcqid=%d\n", | |
13546 | cqid, cq->queue_id); | |
13547 | return; | |
13548 | } | |
13549 | ||
13550 | /* Process all the entries to the OAS CQ */ | |
13551 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
895427bd | 13552 | workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe); |
1ba981fd | 13553 | if (!(++ecount % cq->entry_repost)) |
7869da18 | 13554 | break; |
1ba981fd JS |
13555 | } |
13556 | ||
13557 | /* Track the max number of CQEs processed in 1 EQ */ | |
13558 | if (ecount > cq->CQ_max_cqe) | |
13559 | cq->CQ_max_cqe = ecount; | |
13560 | ||
13561 | /* Catch the no cq entry condition */ | |
13562 | if (unlikely(ecount == 0)) | |
13563 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13564 | "9153 No entry from fast-path completion " | |
13565 | "queue fcpcqid=%d\n", cq->queue_id); | |
13566 | ||
13567 | /* In any case, flash and re-arm the CQ */ | |
13568 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM); | |
13569 | ||
13570 | /* wake up worker thread if there are works to be done */ | |
13571 | if (workposted) | |
13572 | lpfc_worker_wake_up(phba); | |
13573 | } | |
13574 | ||
13575 | /** | |
13576 | * lpfc_sli4_fof_intr_handler - HBA interrupt handler to SLI-4 device | |
13577 | * @irq: Interrupt number. | |
13578 | * @dev_id: The device context pointer. | |
13579 | * | |
13580 | * This function is directly called from the PCI layer as an interrupt | |
13581 | * service routine when device with SLI-4 interface spec is enabled with | |
13582 | * MSI-X multi-message interrupt mode and there is a Flash Optimized Fabric | |
13583 | * IOCB ring event in the HBA. However, when the device is enabled with either | |
13584 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
13585 | * device-level interrupt handler. When the PCI slot is in error recovery | |
13586 | * or the HBA is undergoing initialization, the interrupt handler will not | |
13587 | * process the interrupt. The Flash Optimized Fabric ring event are handled in | |
13588 | * the intrrupt context. This function is called without any lock held. | |
13589 | * It gets the hbalock to access and update SLI data structures. Note that, | |
13590 | * the EQ to CQ are one-to-one map such that the EQ index is | |
13591 | * equal to that of CQ index. | |
13592 | * | |
13593 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
13594 | * returns IRQ_NONE. | |
13595 | **/ | |
13596 | irqreturn_t | |
13597 | lpfc_sli4_fof_intr_handler(int irq, void *dev_id) | |
13598 | { | |
13599 | struct lpfc_hba *phba; | |
895427bd | 13600 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
1ba981fd JS |
13601 | struct lpfc_queue *eq; |
13602 | struct lpfc_eqe *eqe; | |
13603 | unsigned long iflag; | |
13604 | int ecount = 0; | |
1ba981fd JS |
13605 | |
13606 | /* Get the driver's phba structure from the dev_id */ | |
895427bd JS |
13607 | hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id; |
13608 | phba = hba_eq_hdl->phba; | |
1ba981fd JS |
13609 | |
13610 | if (unlikely(!phba)) | |
13611 | return IRQ_NONE; | |
13612 | ||
13613 | /* Get to the EQ struct associated with this vector */ | |
13614 | eq = phba->sli4_hba.fof_eq; | |
13615 | if (unlikely(!eq)) | |
13616 | return IRQ_NONE; | |
13617 | ||
13618 | /* Check device state for handling interrupt */ | |
13619 | if (unlikely(lpfc_intr_state_check(phba))) { | |
13620 | eq->EQ_badstate++; | |
13621 | /* Check again for link_state with lock held */ | |
13622 | spin_lock_irqsave(&phba->hbalock, iflag); | |
13623 | if (phba->link_state < LPFC_LINK_DOWN) | |
13624 | /* Flush, clear interrupt, and rearm the EQ */ | |
13625 | lpfc_sli4_eq_flush(phba, eq); | |
13626 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
13627 | return IRQ_NONE; | |
13628 | } | |
13629 | ||
13630 | /* | |
13631 | * Process all the event on FCP fast-path EQ | |
13632 | */ | |
13633 | while ((eqe = lpfc_sli4_eq_get(eq))) { | |
13634 | lpfc_sli4_fof_handle_eqe(phba, eqe); | |
13635 | if (!(++ecount % eq->entry_repost)) | |
7869da18 | 13636 | break; |
1ba981fd JS |
13637 | eq->EQ_processed++; |
13638 | } | |
13639 | ||
13640 | /* Track the max number of EQEs processed in 1 intr */ | |
13641 | if (ecount > eq->EQ_max_eqe) | |
13642 | eq->EQ_max_eqe = ecount; | |
13643 | ||
13644 | ||
13645 | if (unlikely(ecount == 0)) { | |
13646 | eq->EQ_no_entry++; | |
13647 | ||
13648 | if (phba->intr_type == MSIX) | |
13649 | /* MSI-X treated interrupt served as no EQ share INT */ | |
13650 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13651 | "9145 MSI-X interrupt with no EQE\n"); | |
13652 | else { | |
13653 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13654 | "9146 ISR interrupt with no EQE\n"); | |
13655 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
13656 | return IRQ_NONE; | |
13657 | } | |
13658 | } | |
13659 | /* Always clear and re-arm the fast-path EQ */ | |
13660 | lpfc_sli4_eq_release(eq, LPFC_QUEUE_REARM); | |
13661 | return IRQ_HANDLED; | |
13662 | } | |
13663 | ||
4f774513 | 13664 | /** |
67d12733 | 13665 | * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device |
4f774513 JS |
13666 | * @irq: Interrupt number. |
13667 | * @dev_id: The device context pointer. | |
13668 | * | |
13669 | * This function is directly called from the PCI layer as an interrupt | |
13670 | * service routine when device with SLI-4 interface spec is enabled with | |
13671 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
13672 | * ring event in the HBA. However, when the device is enabled with either | |
13673 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
13674 | * device-level interrupt handler. When the PCI slot is in error recovery | |
13675 | * or the HBA is undergoing initialization, the interrupt handler will not | |
13676 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
13677 | * the intrrupt context. This function is called without any lock held. | |
13678 | * It gets the hbalock to access and update SLI data structures. Note that, | |
13679 | * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is | |
13680 | * equal to that of FCP CQ index. | |
13681 | * | |
67d12733 JS |
13682 | * The link attention and ELS ring attention events are handled |
13683 | * by the worker thread. The interrupt handler signals the worker thread | |
13684 | * and returns for these events. This function is called without any lock | |
13685 | * held. It gets the hbalock to access and update SLI data structures. | |
13686 | * | |
4f774513 JS |
13687 | * This function returns IRQ_HANDLED when interrupt is handled else it |
13688 | * returns IRQ_NONE. | |
13689 | **/ | |
13690 | irqreturn_t | |
67d12733 | 13691 | lpfc_sli4_hba_intr_handler(int irq, void *dev_id) |
4f774513 JS |
13692 | { |
13693 | struct lpfc_hba *phba; | |
895427bd | 13694 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
4f774513 JS |
13695 | struct lpfc_queue *fpeq; |
13696 | struct lpfc_eqe *eqe; | |
13697 | unsigned long iflag; | |
13698 | int ecount = 0; | |
895427bd | 13699 | int hba_eqidx; |
4f774513 JS |
13700 | |
13701 | /* Get the driver's phba structure from the dev_id */ | |
895427bd JS |
13702 | hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id; |
13703 | phba = hba_eq_hdl->phba; | |
13704 | hba_eqidx = hba_eq_hdl->idx; | |
4f774513 JS |
13705 | |
13706 | if (unlikely(!phba)) | |
13707 | return IRQ_NONE; | |
67d12733 | 13708 | if (unlikely(!phba->sli4_hba.hba_eq)) |
5350d872 | 13709 | return IRQ_NONE; |
4f774513 JS |
13710 | |
13711 | /* Get to the EQ struct associated with this vector */ | |
895427bd | 13712 | fpeq = phba->sli4_hba.hba_eq[hba_eqidx]; |
2e90f4b5 JS |
13713 | if (unlikely(!fpeq)) |
13714 | return IRQ_NONE; | |
4f774513 | 13715 | |
bd2cdd5e JS |
13716 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
13717 | if (phba->ktime_on) | |
13718 | fpeq->isr_timestamp = ktime_get_ns(); | |
13719 | #endif | |
13720 | ||
ba20c853 | 13721 | if (lpfc_fcp_look_ahead) { |
895427bd | 13722 | if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use)) |
ba20c853 JS |
13723 | lpfc_sli4_eq_clr_intr(fpeq); |
13724 | else { | |
895427bd | 13725 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
ba20c853 JS |
13726 | return IRQ_NONE; |
13727 | } | |
13728 | } | |
13729 | ||
4f774513 JS |
13730 | /* Check device state for handling interrupt */ |
13731 | if (unlikely(lpfc_intr_state_check(phba))) { | |
b84daac9 | 13732 | fpeq->EQ_badstate++; |
4f774513 JS |
13733 | /* Check again for link_state with lock held */ |
13734 | spin_lock_irqsave(&phba->hbalock, iflag); | |
13735 | if (phba->link_state < LPFC_LINK_DOWN) | |
13736 | /* Flush, clear interrupt, and rearm the EQ */ | |
13737 | lpfc_sli4_eq_flush(phba, fpeq); | |
13738 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
ba20c853 | 13739 | if (lpfc_fcp_look_ahead) |
895427bd | 13740 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
4f774513 JS |
13741 | return IRQ_NONE; |
13742 | } | |
13743 | ||
13744 | /* | |
13745 | * Process all the event on FCP fast-path EQ | |
13746 | */ | |
13747 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
eb016566 JS |
13748 | if (eqe == NULL) |
13749 | break; | |
13750 | ||
895427bd | 13751 | lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx); |
73d91e50 | 13752 | if (!(++ecount % fpeq->entry_repost)) |
7869da18 | 13753 | break; |
b84daac9 | 13754 | fpeq->EQ_processed++; |
4f774513 JS |
13755 | } |
13756 | ||
b84daac9 JS |
13757 | /* Track the max number of EQEs processed in 1 intr */ |
13758 | if (ecount > fpeq->EQ_max_eqe) | |
13759 | fpeq->EQ_max_eqe = ecount; | |
13760 | ||
4f774513 JS |
13761 | /* Always clear and re-arm the fast-path EQ */ |
13762 | lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_REARM); | |
13763 | ||
13764 | if (unlikely(ecount == 0)) { | |
b84daac9 | 13765 | fpeq->EQ_no_entry++; |
ba20c853 JS |
13766 | |
13767 | if (lpfc_fcp_look_ahead) { | |
895427bd | 13768 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
ba20c853 JS |
13769 | return IRQ_NONE; |
13770 | } | |
13771 | ||
4f774513 JS |
13772 | if (phba->intr_type == MSIX) |
13773 | /* MSI-X treated interrupt served as no EQ share INT */ | |
13774 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13775 | "0358 MSI-X interrupt with no EQE\n"); | |
13776 | else | |
13777 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
13778 | return IRQ_NONE; | |
13779 | } | |
13780 | ||
ba20c853 | 13781 | if (lpfc_fcp_look_ahead) |
895427bd JS |
13782 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
13783 | ||
4f774513 JS |
13784 | return IRQ_HANDLED; |
13785 | } /* lpfc_sli4_fp_intr_handler */ | |
13786 | ||
13787 | /** | |
13788 | * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device | |
13789 | * @irq: Interrupt number. | |
13790 | * @dev_id: The device context pointer. | |
13791 | * | |
13792 | * This function is the device-level interrupt handler to device with SLI-4 | |
13793 | * interface spec, called from the PCI layer when either MSI or Pin-IRQ | |
13794 | * interrupt mode is enabled and there is an event in the HBA which requires | |
13795 | * driver attention. This function invokes the slow-path interrupt attention | |
13796 | * handling function and fast-path interrupt attention handling function in | |
13797 | * turn to process the relevant HBA attention events. This function is called | |
13798 | * without any lock held. It gets the hbalock to access and update SLI data | |
13799 | * structures. | |
13800 | * | |
13801 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
13802 | * returns IRQ_NONE. | |
13803 | **/ | |
13804 | irqreturn_t | |
13805 | lpfc_sli4_intr_handler(int irq, void *dev_id) | |
13806 | { | |
13807 | struct lpfc_hba *phba; | |
67d12733 JS |
13808 | irqreturn_t hba_irq_rc; |
13809 | bool hba_handled = false; | |
895427bd | 13810 | int qidx; |
4f774513 JS |
13811 | |
13812 | /* Get the driver's phba structure from the dev_id */ | |
13813 | phba = (struct lpfc_hba *)dev_id; | |
13814 | ||
13815 | if (unlikely(!phba)) | |
13816 | return IRQ_NONE; | |
13817 | ||
4f774513 JS |
13818 | /* |
13819 | * Invoke fast-path host attention interrupt handling as appropriate. | |
13820 | */ | |
895427bd | 13821 | for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) { |
67d12733 | 13822 | hba_irq_rc = lpfc_sli4_hba_intr_handler(irq, |
895427bd | 13823 | &phba->sli4_hba.hba_eq_hdl[qidx]); |
67d12733 JS |
13824 | if (hba_irq_rc == IRQ_HANDLED) |
13825 | hba_handled |= true; | |
4f774513 JS |
13826 | } |
13827 | ||
1ba981fd JS |
13828 | if (phba->cfg_fof) { |
13829 | hba_irq_rc = lpfc_sli4_fof_intr_handler(irq, | |
895427bd | 13830 | &phba->sli4_hba.hba_eq_hdl[qidx]); |
1ba981fd JS |
13831 | if (hba_irq_rc == IRQ_HANDLED) |
13832 | hba_handled |= true; | |
13833 | } | |
13834 | ||
67d12733 | 13835 | return (hba_handled == true) ? IRQ_HANDLED : IRQ_NONE; |
4f774513 JS |
13836 | } /* lpfc_sli4_intr_handler */ |
13837 | ||
13838 | /** | |
13839 | * lpfc_sli4_queue_free - free a queue structure and associated memory | |
13840 | * @queue: The queue structure to free. | |
13841 | * | |
b595076a | 13842 | * This function frees a queue structure and the DMAable memory used for |
4f774513 JS |
13843 | * the host resident queue. This function must be called after destroying the |
13844 | * queue on the HBA. | |
13845 | **/ | |
13846 | void | |
13847 | lpfc_sli4_queue_free(struct lpfc_queue *queue) | |
13848 | { | |
13849 | struct lpfc_dmabuf *dmabuf; | |
13850 | ||
13851 | if (!queue) | |
13852 | return; | |
13853 | ||
13854 | while (!list_empty(&queue->page_list)) { | |
13855 | list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf, | |
13856 | list); | |
49198b37 | 13857 | dma_free_coherent(&queue->phba->pcidev->dev, SLI4_PAGE_SIZE, |
4f774513 JS |
13858 | dmabuf->virt, dmabuf->phys); |
13859 | kfree(dmabuf); | |
13860 | } | |
895427bd JS |
13861 | if (queue->rqbp) { |
13862 | lpfc_free_rq_buffer(queue->phba, queue); | |
13863 | kfree(queue->rqbp); | |
13864 | } | |
d1f525aa JS |
13865 | |
13866 | if (!list_empty(&queue->wq_list)) | |
13867 | list_del(&queue->wq_list); | |
13868 | ||
4f774513 JS |
13869 | kfree(queue); |
13870 | return; | |
13871 | } | |
13872 | ||
13873 | /** | |
13874 | * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure | |
13875 | * @phba: The HBA that this queue is being created on. | |
13876 | * @entry_size: The size of each queue entry for this queue. | |
13877 | * @entry count: The number of entries that this queue will handle. | |
13878 | * | |
13879 | * This function allocates a queue structure and the DMAable memory used for | |
13880 | * the host resident queue. This function must be called before creating the | |
13881 | * queue on the HBA. | |
13882 | **/ | |
13883 | struct lpfc_queue * | |
13884 | lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size, | |
13885 | uint32_t entry_count) | |
13886 | { | |
13887 | struct lpfc_queue *queue; | |
13888 | struct lpfc_dmabuf *dmabuf; | |
13889 | int x, total_qe_count; | |
13890 | void *dma_pointer; | |
cb5172ea | 13891 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
4f774513 | 13892 | |
cb5172ea JS |
13893 | if (!phba->sli4_hba.pc_sli4_params.supported) |
13894 | hw_page_size = SLI4_PAGE_SIZE; | |
13895 | ||
4f774513 JS |
13896 | queue = kzalloc(sizeof(struct lpfc_queue) + |
13897 | (sizeof(union sli4_qe) * entry_count), GFP_KERNEL); | |
13898 | if (!queue) | |
13899 | return NULL; | |
cb5172ea JS |
13900 | queue->page_count = (ALIGN(entry_size * entry_count, |
13901 | hw_page_size))/hw_page_size; | |
895427bd JS |
13902 | |
13903 | /* If needed, Adjust page count to match the max the adapter supports */ | |
13904 | if (queue->page_count > phba->sli4_hba.pc_sli4_params.wqpcnt) | |
13905 | queue->page_count = phba->sli4_hba.pc_sli4_params.wqpcnt; | |
13906 | ||
4f774513 | 13907 | INIT_LIST_HEAD(&queue->list); |
895427bd | 13908 | INIT_LIST_HEAD(&queue->wq_list); |
4f774513 JS |
13909 | INIT_LIST_HEAD(&queue->page_list); |
13910 | INIT_LIST_HEAD(&queue->child_list); | |
13911 | for (x = 0, total_qe_count = 0; x < queue->page_count; x++) { | |
13912 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
13913 | if (!dmabuf) | |
13914 | goto out_fail; | |
1aee383d JP |
13915 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, |
13916 | hw_page_size, &dmabuf->phys, | |
13917 | GFP_KERNEL); | |
4f774513 JS |
13918 | if (!dmabuf->virt) { |
13919 | kfree(dmabuf); | |
13920 | goto out_fail; | |
13921 | } | |
13922 | dmabuf->buffer_tag = x; | |
13923 | list_add_tail(&dmabuf->list, &queue->page_list); | |
13924 | /* initialize queue's entry array */ | |
13925 | dma_pointer = dmabuf->virt; | |
13926 | for (; total_qe_count < entry_count && | |
cb5172ea | 13927 | dma_pointer < (hw_page_size + dmabuf->virt); |
4f774513 JS |
13928 | total_qe_count++, dma_pointer += entry_size) { |
13929 | queue->qe[total_qe_count].address = dma_pointer; | |
13930 | } | |
13931 | } | |
13932 | queue->entry_size = entry_size; | |
13933 | queue->entry_count = entry_count; | |
13934 | queue->phba = phba; | |
13935 | ||
64eb4dcb JS |
13936 | /* entry_repost will be set during q creation */ |
13937 | ||
4f774513 JS |
13938 | return queue; |
13939 | out_fail: | |
13940 | lpfc_sli4_queue_free(queue); | |
13941 | return NULL; | |
13942 | } | |
13943 | ||
962bc51b JS |
13944 | /** |
13945 | * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory | |
13946 | * @phba: HBA structure that indicates port to create a queue on. | |
13947 | * @pci_barset: PCI BAR set flag. | |
13948 | * | |
13949 | * This function shall perform iomap of the specified PCI BAR address to host | |
13950 | * memory address if not already done so and return it. The returned host | |
13951 | * memory address can be NULL. | |
13952 | */ | |
13953 | static void __iomem * | |
13954 | lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset) | |
13955 | { | |
962bc51b JS |
13956 | if (!phba->pcidev) |
13957 | return NULL; | |
962bc51b JS |
13958 | |
13959 | switch (pci_barset) { | |
13960 | case WQ_PCI_BAR_0_AND_1: | |
962bc51b JS |
13961 | return phba->pci_bar0_memmap_p; |
13962 | case WQ_PCI_BAR_2_AND_3: | |
962bc51b JS |
13963 | return phba->pci_bar2_memmap_p; |
13964 | case WQ_PCI_BAR_4_AND_5: | |
962bc51b JS |
13965 | return phba->pci_bar4_memmap_p; |
13966 | default: | |
13967 | break; | |
13968 | } | |
13969 | return NULL; | |
13970 | } | |
13971 | ||
173edbb2 | 13972 | /** |
895427bd | 13973 | * lpfc_modify_hba_eq_delay - Modify Delay Multiplier on FCP EQs |
173edbb2 JS |
13974 | * @phba: HBA structure that indicates port to create a queue on. |
13975 | * @startq: The starting FCP EQ to modify | |
13976 | * | |
13977 | * This function sends an MODIFY_EQ_DELAY mailbox command to the HBA. | |
43140ca6 JS |
13978 | * The command allows up to LPFC_MAX_EQ_DELAY_EQID_CNT EQ ID's to be |
13979 | * updated in one mailbox command. | |
173edbb2 JS |
13980 | * |
13981 | * The @phba struct is used to send mailbox command to HBA. The @startq | |
13982 | * is used to get the starting FCP EQ to change. | |
13983 | * This function is asynchronous and will wait for the mailbox | |
13984 | * command to finish before continuing. | |
13985 | * | |
13986 | * On success this function will return a zero. If unable to allocate enough | |
13987 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
13988 | * fails this function will return -ENXIO. | |
13989 | **/ | |
a2fc4aef | 13990 | int |
895427bd | 13991 | lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq) |
173edbb2 JS |
13992 | { |
13993 | struct lpfc_mbx_modify_eq_delay *eq_delay; | |
13994 | LPFC_MBOXQ_t *mbox; | |
13995 | struct lpfc_queue *eq; | |
13996 | int cnt, rc, length, status = 0; | |
13997 | uint32_t shdr_status, shdr_add_status; | |
ee02006b | 13998 | uint32_t result; |
895427bd | 13999 | int qidx; |
173edbb2 JS |
14000 | union lpfc_sli4_cfg_shdr *shdr; |
14001 | uint16_t dmult; | |
14002 | ||
895427bd | 14003 | if (startq >= phba->io_channel_irqs) |
173edbb2 JS |
14004 | return 0; |
14005 | ||
14006 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14007 | if (!mbox) | |
14008 | return -ENOMEM; | |
14009 | length = (sizeof(struct lpfc_mbx_modify_eq_delay) - | |
14010 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14011 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14012 | LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY, | |
14013 | length, LPFC_SLI4_MBX_EMBED); | |
14014 | eq_delay = &mbox->u.mqe.un.eq_delay; | |
14015 | ||
14016 | /* Calculate delay multiper from maximum interrupt per second */ | |
895427bd JS |
14017 | result = phba->cfg_fcp_imax / phba->io_channel_irqs; |
14018 | if (result > LPFC_DMULT_CONST || result == 0) | |
ee02006b JS |
14019 | dmult = 0; |
14020 | else | |
14021 | dmult = LPFC_DMULT_CONST/result - 1; | |
173edbb2 JS |
14022 | |
14023 | cnt = 0; | |
895427bd JS |
14024 | for (qidx = startq; qidx < phba->io_channel_irqs; qidx++) { |
14025 | eq = phba->sli4_hba.hba_eq[qidx]; | |
173edbb2 JS |
14026 | if (!eq) |
14027 | continue; | |
14028 | eq_delay->u.request.eq[cnt].eq_id = eq->queue_id; | |
14029 | eq_delay->u.request.eq[cnt].phase = 0; | |
14030 | eq_delay->u.request.eq[cnt].delay_multi = dmult; | |
14031 | cnt++; | |
43140ca6 | 14032 | if (cnt >= LPFC_MAX_EQ_DELAY_EQID_CNT) |
173edbb2 JS |
14033 | break; |
14034 | } | |
14035 | eq_delay->u.request.num_eq = cnt; | |
14036 | ||
14037 | mbox->vport = phba->pport; | |
14038 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
14039 | mbox->context1 = NULL; | |
14040 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14041 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_delay->header.cfg_shdr; | |
14042 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14043 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14044 | if (shdr_status || shdr_add_status || rc) { | |
14045 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14046 | "2512 MODIFY_EQ_DELAY mailbox failed with " | |
14047 | "status x%x add_status x%x, mbx status x%x\n", | |
14048 | shdr_status, shdr_add_status, rc); | |
14049 | status = -ENXIO; | |
14050 | } | |
14051 | mempool_free(mbox, phba->mbox_mem_pool); | |
14052 | return status; | |
14053 | } | |
14054 | ||
4f774513 JS |
14055 | /** |
14056 | * lpfc_eq_create - Create an Event Queue on the HBA | |
14057 | * @phba: HBA structure that indicates port to create a queue on. | |
14058 | * @eq: The queue structure to use to create the event queue. | |
14059 | * @imax: The maximum interrupt per second limit. | |
14060 | * | |
14061 | * This function creates an event queue, as detailed in @eq, on a port, | |
14062 | * described by @phba by sending an EQ_CREATE mailbox command to the HBA. | |
14063 | * | |
14064 | * The @phba struct is used to send mailbox command to HBA. The @eq struct | |
14065 | * is used to get the entry count and entry size that are necessary to | |
14066 | * determine the number of pages to allocate and use for this queue. This | |
14067 | * function will send the EQ_CREATE mailbox command to the HBA to setup the | |
14068 | * event queue. This function is asynchronous and will wait for the mailbox | |
14069 | * command to finish before continuing. | |
14070 | * | |
14071 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14072 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14073 | * fails this function will return -ENXIO. | |
4f774513 | 14074 | **/ |
a2fc4aef | 14075 | int |
ee02006b | 14076 | lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) |
4f774513 JS |
14077 | { |
14078 | struct lpfc_mbx_eq_create *eq_create; | |
14079 | LPFC_MBOXQ_t *mbox; | |
14080 | int rc, length, status = 0; | |
14081 | struct lpfc_dmabuf *dmabuf; | |
14082 | uint32_t shdr_status, shdr_add_status; | |
14083 | union lpfc_sli4_cfg_shdr *shdr; | |
14084 | uint16_t dmult; | |
49198b37 JS |
14085 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
14086 | ||
2e90f4b5 JS |
14087 | /* sanity check on queue memory */ |
14088 | if (!eq) | |
14089 | return -ENODEV; | |
49198b37 JS |
14090 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14091 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
14092 | |
14093 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14094 | if (!mbox) | |
14095 | return -ENOMEM; | |
14096 | length = (sizeof(struct lpfc_mbx_eq_create) - | |
14097 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14098 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14099 | LPFC_MBOX_OPCODE_EQ_CREATE, | |
14100 | length, LPFC_SLI4_MBX_EMBED); | |
14101 | eq_create = &mbox->u.mqe.un.eq_create; | |
14102 | bf_set(lpfc_mbx_eq_create_num_pages, &eq_create->u.request, | |
14103 | eq->page_count); | |
14104 | bf_set(lpfc_eq_context_size, &eq_create->u.request.context, | |
14105 | LPFC_EQE_SIZE); | |
14106 | bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1); | |
2c9c5a00 JS |
14107 | /* don't setup delay multiplier using EQ_CREATE */ |
14108 | dmult = 0; | |
4f774513 JS |
14109 | bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context, |
14110 | dmult); | |
14111 | switch (eq->entry_count) { | |
14112 | default: | |
14113 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14114 | "0360 Unsupported EQ count. (%d)\n", | |
14115 | eq->entry_count); | |
14116 | if (eq->entry_count < 256) | |
14117 | return -EINVAL; | |
14118 | /* otherwise default to smallest count (drop through) */ | |
14119 | case 256: | |
14120 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14121 | LPFC_EQ_CNT_256); | |
14122 | break; | |
14123 | case 512: | |
14124 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14125 | LPFC_EQ_CNT_512); | |
14126 | break; | |
14127 | case 1024: | |
14128 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14129 | LPFC_EQ_CNT_1024); | |
14130 | break; | |
14131 | case 2048: | |
14132 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14133 | LPFC_EQ_CNT_2048); | |
14134 | break; | |
14135 | case 4096: | |
14136 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14137 | LPFC_EQ_CNT_4096); | |
14138 | break; | |
14139 | } | |
14140 | list_for_each_entry(dmabuf, &eq->page_list, list) { | |
49198b37 | 14141 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
14142 | eq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
14143 | putPaddrLow(dmabuf->phys); | |
14144 | eq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14145 | putPaddrHigh(dmabuf->phys); | |
14146 | } | |
14147 | mbox->vport = phba->pport; | |
14148 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
14149 | mbox->context1 = NULL; | |
14150 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14151 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_create->header.cfg_shdr; | |
14152 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14153 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14154 | if (shdr_status || shdr_add_status || rc) { | |
14155 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14156 | "2500 EQ_CREATE mailbox failed with " | |
14157 | "status x%x add_status x%x, mbx status x%x\n", | |
14158 | shdr_status, shdr_add_status, rc); | |
14159 | status = -ENXIO; | |
14160 | } | |
14161 | eq->type = LPFC_EQ; | |
14162 | eq->subtype = LPFC_NONE; | |
14163 | eq->queue_id = bf_get(lpfc_mbx_eq_create_q_id, &eq_create->u.response); | |
14164 | if (eq->queue_id == 0xFFFF) | |
14165 | status = -ENXIO; | |
14166 | eq->host_index = 0; | |
14167 | eq->hba_index = 0; | |
64eb4dcb | 14168 | eq->entry_repost = LPFC_EQ_REPOST; |
4f774513 | 14169 | |
8fa38513 | 14170 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
14171 | return status; |
14172 | } | |
14173 | ||
14174 | /** | |
14175 | * lpfc_cq_create - Create a Completion Queue on the HBA | |
14176 | * @phba: HBA structure that indicates port to create a queue on. | |
14177 | * @cq: The queue structure to use to create the completion queue. | |
14178 | * @eq: The event queue to bind this completion queue to. | |
14179 | * | |
14180 | * This function creates a completion queue, as detailed in @wq, on a port, | |
14181 | * described by @phba by sending a CQ_CREATE mailbox command to the HBA. | |
14182 | * | |
14183 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14184 | * is used to get the entry count and entry size that are necessary to | |
14185 | * determine the number of pages to allocate and use for this queue. The @eq | |
14186 | * is used to indicate which event queue to bind this completion queue to. This | |
14187 | * function will send the CQ_CREATE mailbox command to the HBA to setup the | |
14188 | * completion queue. This function is asynchronous and will wait for the mailbox | |
14189 | * command to finish before continuing. | |
14190 | * | |
14191 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14192 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14193 | * fails this function will return -ENXIO. | |
4f774513 | 14194 | **/ |
a2fc4aef | 14195 | int |
4f774513 JS |
14196 | lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, |
14197 | struct lpfc_queue *eq, uint32_t type, uint32_t subtype) | |
14198 | { | |
14199 | struct lpfc_mbx_cq_create *cq_create; | |
14200 | struct lpfc_dmabuf *dmabuf; | |
14201 | LPFC_MBOXQ_t *mbox; | |
14202 | int rc, length, status = 0; | |
14203 | uint32_t shdr_status, shdr_add_status; | |
14204 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 JS |
14205 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
14206 | ||
2e90f4b5 JS |
14207 | /* sanity check on queue memory */ |
14208 | if (!cq || !eq) | |
14209 | return -ENODEV; | |
49198b37 JS |
14210 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14211 | hw_page_size = SLI4_PAGE_SIZE; | |
14212 | ||
4f774513 JS |
14213 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
14214 | if (!mbox) | |
14215 | return -ENOMEM; | |
14216 | length = (sizeof(struct lpfc_mbx_cq_create) - | |
14217 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14218 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14219 | LPFC_MBOX_OPCODE_CQ_CREATE, | |
14220 | length, LPFC_SLI4_MBX_EMBED); | |
14221 | cq_create = &mbox->u.mqe.un.cq_create; | |
5a6f133e | 14222 | shdr = (union lpfc_sli4_cfg_shdr *) &cq_create->header.cfg_shdr; |
4f774513 JS |
14223 | bf_set(lpfc_mbx_cq_create_num_pages, &cq_create->u.request, |
14224 | cq->page_count); | |
14225 | bf_set(lpfc_cq_context_event, &cq_create->u.request.context, 1); | |
14226 | bf_set(lpfc_cq_context_valid, &cq_create->u.request.context, 1); | |
5a6f133e JS |
14227 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14228 | phba->sli4_hba.pc_sli4_params.cqv); | |
14229 | if (phba->sli4_hba.pc_sli4_params.cqv == LPFC_Q_CREATE_VERSION_2) { | |
c31098ce JS |
14230 | /* FW only supports 1. Should be PAGE_SIZE/SLI4_PAGE_SIZE */ |
14231 | bf_set(lpfc_mbx_cq_create_page_size, &cq_create->u.request, 1); | |
5a6f133e JS |
14232 | bf_set(lpfc_cq_eq_id_2, &cq_create->u.request.context, |
14233 | eq->queue_id); | |
14234 | } else { | |
14235 | bf_set(lpfc_cq_eq_id, &cq_create->u.request.context, | |
14236 | eq->queue_id); | |
14237 | } | |
4f774513 JS |
14238 | switch (cq->entry_count) { |
14239 | default: | |
14240 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2ea259ee | 14241 | "0361 Unsupported CQ count: " |
64eb4dcb | 14242 | "entry cnt %d sz %d pg cnt %d\n", |
2ea259ee | 14243 | cq->entry_count, cq->entry_size, |
64eb4dcb | 14244 | cq->page_count); |
4f4c1863 JS |
14245 | if (cq->entry_count < 256) { |
14246 | status = -EINVAL; | |
14247 | goto out; | |
14248 | } | |
4f774513 JS |
14249 | /* otherwise default to smallest count (drop through) */ |
14250 | case 256: | |
14251 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14252 | LPFC_CQ_CNT_256); | |
14253 | break; | |
14254 | case 512: | |
14255 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14256 | LPFC_CQ_CNT_512); | |
14257 | break; | |
14258 | case 1024: | |
14259 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14260 | LPFC_CQ_CNT_1024); | |
14261 | break; | |
14262 | } | |
14263 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
49198b37 | 14264 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
14265 | cq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
14266 | putPaddrLow(dmabuf->phys); | |
14267 | cq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14268 | putPaddrHigh(dmabuf->phys); | |
14269 | } | |
14270 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14271 | ||
14272 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
14273 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14274 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14275 | if (shdr_status || shdr_add_status || rc) { | |
14276 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14277 | "2501 CQ_CREATE mailbox failed with " | |
14278 | "status x%x add_status x%x, mbx status x%x\n", | |
14279 | shdr_status, shdr_add_status, rc); | |
14280 | status = -ENXIO; | |
14281 | goto out; | |
14282 | } | |
14283 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
14284 | if (cq->queue_id == 0xFFFF) { | |
14285 | status = -ENXIO; | |
14286 | goto out; | |
14287 | } | |
14288 | /* link the cq onto the parent eq child list */ | |
14289 | list_add_tail(&cq->list, &eq->child_list); | |
14290 | /* Set up completion queue's type and subtype */ | |
14291 | cq->type = type; | |
14292 | cq->subtype = subtype; | |
14293 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
2a622bfb | 14294 | cq->assoc_qid = eq->queue_id; |
4f774513 JS |
14295 | cq->host_index = 0; |
14296 | cq->hba_index = 0; | |
64eb4dcb | 14297 | cq->entry_repost = LPFC_CQ_REPOST; |
4f774513 | 14298 | |
8fa38513 JS |
14299 | out: |
14300 | mempool_free(mbox, phba->mbox_mem_pool); | |
4f774513 JS |
14301 | return status; |
14302 | } | |
14303 | ||
2d7dbc4c JS |
14304 | /** |
14305 | * lpfc_cq_create_set - Create a set of Completion Queues on the HBA for MRQ | |
14306 | * @phba: HBA structure that indicates port to create a queue on. | |
14307 | * @cqp: The queue structure array to use to create the completion queues. | |
14308 | * @eqp: The event queue array to bind these completion queues to. | |
14309 | * | |
14310 | * This function creates a set of completion queue, s to support MRQ | |
14311 | * as detailed in @cqp, on a port, | |
14312 | * described by @phba by sending a CREATE_CQ_SET mailbox command to the HBA. | |
14313 | * | |
14314 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14315 | * is used to get the entry count and entry size that are necessary to | |
14316 | * determine the number of pages to allocate and use for this queue. The @eq | |
14317 | * is used to indicate which event queue to bind this completion queue to. This | |
14318 | * function will send the CREATE_CQ_SET mailbox command to the HBA to setup the | |
14319 | * completion queue. This function is asynchronous and will wait for the mailbox | |
14320 | * command to finish before continuing. | |
14321 | * | |
14322 | * On success this function will return a zero. If unable to allocate enough | |
14323 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
14324 | * fails this function will return -ENXIO. | |
14325 | **/ | |
14326 | int | |
14327 | lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, | |
14328 | struct lpfc_queue **eqp, uint32_t type, uint32_t subtype) | |
14329 | { | |
14330 | struct lpfc_queue *cq; | |
14331 | struct lpfc_queue *eq; | |
14332 | struct lpfc_mbx_cq_create_set *cq_set; | |
14333 | struct lpfc_dmabuf *dmabuf; | |
14334 | LPFC_MBOXQ_t *mbox; | |
14335 | int rc, length, alloclen, status = 0; | |
14336 | int cnt, idx, numcq, page_idx = 0; | |
14337 | uint32_t shdr_status, shdr_add_status; | |
14338 | union lpfc_sli4_cfg_shdr *shdr; | |
14339 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
14340 | ||
14341 | /* sanity check on queue memory */ | |
14342 | numcq = phba->cfg_nvmet_mrq; | |
14343 | if (!cqp || !eqp || !numcq) | |
14344 | return -ENODEV; | |
14345 | if (!phba->sli4_hba.pc_sli4_params.supported) | |
14346 | hw_page_size = SLI4_PAGE_SIZE; | |
14347 | ||
14348 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14349 | if (!mbox) | |
14350 | return -ENOMEM; | |
14351 | ||
14352 | length = sizeof(struct lpfc_mbx_cq_create_set); | |
14353 | length += ((numcq * cqp[0]->page_count) * | |
14354 | sizeof(struct dma_address)); | |
14355 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
14356 | LPFC_MBOX_OPCODE_FCOE_CQ_CREATE_SET, length, | |
14357 | LPFC_SLI4_MBX_NEMBED); | |
14358 | if (alloclen < length) { | |
14359 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14360 | "3098 Allocated DMA memory size (%d) is " | |
14361 | "less than the requested DMA memory size " | |
14362 | "(%d)\n", alloclen, length); | |
14363 | status = -ENOMEM; | |
14364 | goto out; | |
14365 | } | |
14366 | cq_set = mbox->sge_array->addr[0]; | |
14367 | shdr = (union lpfc_sli4_cfg_shdr *)&cq_set->cfg_shdr; | |
14368 | bf_set(lpfc_mbox_hdr_version, &shdr->request, 0); | |
14369 | ||
14370 | for (idx = 0; idx < numcq; idx++) { | |
14371 | cq = cqp[idx]; | |
14372 | eq = eqp[idx]; | |
14373 | if (!cq || !eq) { | |
14374 | status = -ENOMEM; | |
14375 | goto out; | |
14376 | } | |
14377 | ||
14378 | switch (idx) { | |
14379 | case 0: | |
14380 | bf_set(lpfc_mbx_cq_create_set_page_size, | |
14381 | &cq_set->u.request, | |
14382 | (hw_page_size / SLI4_PAGE_SIZE)); | |
14383 | bf_set(lpfc_mbx_cq_create_set_num_pages, | |
14384 | &cq_set->u.request, cq->page_count); | |
14385 | bf_set(lpfc_mbx_cq_create_set_evt, | |
14386 | &cq_set->u.request, 1); | |
14387 | bf_set(lpfc_mbx_cq_create_set_valid, | |
14388 | &cq_set->u.request, 1); | |
14389 | bf_set(lpfc_mbx_cq_create_set_cqe_size, | |
14390 | &cq_set->u.request, 0); | |
14391 | bf_set(lpfc_mbx_cq_create_set_num_cq, | |
14392 | &cq_set->u.request, numcq); | |
14393 | switch (cq->entry_count) { | |
14394 | default: | |
14395 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14396 | "3118 Bad CQ count. (%d)\n", | |
14397 | cq->entry_count); | |
14398 | if (cq->entry_count < 256) { | |
14399 | status = -EINVAL; | |
14400 | goto out; | |
14401 | } | |
14402 | /* otherwise default to smallest (drop thru) */ | |
14403 | case 256: | |
14404 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14405 | &cq_set->u.request, LPFC_CQ_CNT_256); | |
14406 | break; | |
14407 | case 512: | |
14408 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14409 | &cq_set->u.request, LPFC_CQ_CNT_512); | |
14410 | break; | |
14411 | case 1024: | |
14412 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14413 | &cq_set->u.request, LPFC_CQ_CNT_1024); | |
14414 | break; | |
14415 | } | |
14416 | bf_set(lpfc_mbx_cq_create_set_eq_id0, | |
14417 | &cq_set->u.request, eq->queue_id); | |
14418 | break; | |
14419 | case 1: | |
14420 | bf_set(lpfc_mbx_cq_create_set_eq_id1, | |
14421 | &cq_set->u.request, eq->queue_id); | |
14422 | break; | |
14423 | case 2: | |
14424 | bf_set(lpfc_mbx_cq_create_set_eq_id2, | |
14425 | &cq_set->u.request, eq->queue_id); | |
14426 | break; | |
14427 | case 3: | |
14428 | bf_set(lpfc_mbx_cq_create_set_eq_id3, | |
14429 | &cq_set->u.request, eq->queue_id); | |
14430 | break; | |
14431 | case 4: | |
14432 | bf_set(lpfc_mbx_cq_create_set_eq_id4, | |
14433 | &cq_set->u.request, eq->queue_id); | |
14434 | break; | |
14435 | case 5: | |
14436 | bf_set(lpfc_mbx_cq_create_set_eq_id5, | |
14437 | &cq_set->u.request, eq->queue_id); | |
14438 | break; | |
14439 | case 6: | |
14440 | bf_set(lpfc_mbx_cq_create_set_eq_id6, | |
14441 | &cq_set->u.request, eq->queue_id); | |
14442 | break; | |
14443 | case 7: | |
14444 | bf_set(lpfc_mbx_cq_create_set_eq_id7, | |
14445 | &cq_set->u.request, eq->queue_id); | |
14446 | break; | |
14447 | case 8: | |
14448 | bf_set(lpfc_mbx_cq_create_set_eq_id8, | |
14449 | &cq_set->u.request, eq->queue_id); | |
14450 | break; | |
14451 | case 9: | |
14452 | bf_set(lpfc_mbx_cq_create_set_eq_id9, | |
14453 | &cq_set->u.request, eq->queue_id); | |
14454 | break; | |
14455 | case 10: | |
14456 | bf_set(lpfc_mbx_cq_create_set_eq_id10, | |
14457 | &cq_set->u.request, eq->queue_id); | |
14458 | break; | |
14459 | case 11: | |
14460 | bf_set(lpfc_mbx_cq_create_set_eq_id11, | |
14461 | &cq_set->u.request, eq->queue_id); | |
14462 | break; | |
14463 | case 12: | |
14464 | bf_set(lpfc_mbx_cq_create_set_eq_id12, | |
14465 | &cq_set->u.request, eq->queue_id); | |
14466 | break; | |
14467 | case 13: | |
14468 | bf_set(lpfc_mbx_cq_create_set_eq_id13, | |
14469 | &cq_set->u.request, eq->queue_id); | |
14470 | break; | |
14471 | case 14: | |
14472 | bf_set(lpfc_mbx_cq_create_set_eq_id14, | |
14473 | &cq_set->u.request, eq->queue_id); | |
14474 | break; | |
14475 | case 15: | |
14476 | bf_set(lpfc_mbx_cq_create_set_eq_id15, | |
14477 | &cq_set->u.request, eq->queue_id); | |
14478 | break; | |
14479 | } | |
14480 | ||
14481 | /* link the cq onto the parent eq child list */ | |
14482 | list_add_tail(&cq->list, &eq->child_list); | |
14483 | /* Set up completion queue's type and subtype */ | |
14484 | cq->type = type; | |
14485 | cq->subtype = subtype; | |
14486 | cq->assoc_qid = eq->queue_id; | |
14487 | cq->host_index = 0; | |
14488 | cq->hba_index = 0; | |
64eb4dcb | 14489 | cq->entry_repost = LPFC_CQ_REPOST; |
2d7dbc4c JS |
14490 | |
14491 | rc = 0; | |
14492 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
14493 | memset(dmabuf->virt, 0, hw_page_size); | |
14494 | cnt = page_idx + dmabuf->buffer_tag; | |
14495 | cq_set->u.request.page[cnt].addr_lo = | |
14496 | putPaddrLow(dmabuf->phys); | |
14497 | cq_set->u.request.page[cnt].addr_hi = | |
14498 | putPaddrHigh(dmabuf->phys); | |
14499 | rc++; | |
14500 | } | |
14501 | page_idx += rc; | |
14502 | } | |
14503 | ||
14504 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14505 | ||
14506 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
14507 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14508 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14509 | if (shdr_status || shdr_add_status || rc) { | |
14510 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14511 | "3119 CQ_CREATE_SET mailbox failed with " | |
14512 | "status x%x add_status x%x, mbx status x%x\n", | |
14513 | shdr_status, shdr_add_status, rc); | |
14514 | status = -ENXIO; | |
14515 | goto out; | |
14516 | } | |
14517 | rc = bf_get(lpfc_mbx_cq_create_set_base_id, &cq_set->u.response); | |
14518 | if (rc == 0xFFFF) { | |
14519 | status = -ENXIO; | |
14520 | goto out; | |
14521 | } | |
14522 | ||
14523 | for (idx = 0; idx < numcq; idx++) { | |
14524 | cq = cqp[idx]; | |
14525 | cq->queue_id = rc + idx; | |
14526 | } | |
14527 | ||
14528 | out: | |
14529 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
14530 | return status; | |
14531 | } | |
14532 | ||
b19a061a JS |
14533 | /** |
14534 | * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration | |
14535 | * @phba: HBA structure that indicates port to create a queue on. | |
14536 | * @mq: The queue structure to use to create the mailbox queue. | |
14537 | * @mbox: An allocated pointer to type LPFC_MBOXQ_t | |
14538 | * @cq: The completion queue to associate with this cq. | |
14539 | * | |
14540 | * This function provides failback (fb) functionality when the | |
14541 | * mq_create_ext fails on older FW generations. It's purpose is identical | |
14542 | * to mq_create_ext otherwise. | |
14543 | * | |
14544 | * This routine cannot fail as all attributes were previously accessed and | |
14545 | * initialized in mq_create_ext. | |
14546 | **/ | |
14547 | static void | |
14548 | lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq, | |
14549 | LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq) | |
14550 | { | |
14551 | struct lpfc_mbx_mq_create *mq_create; | |
14552 | struct lpfc_dmabuf *dmabuf; | |
14553 | int length; | |
14554 | ||
14555 | length = (sizeof(struct lpfc_mbx_mq_create) - | |
14556 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14557 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14558 | LPFC_MBOX_OPCODE_MQ_CREATE, | |
14559 | length, LPFC_SLI4_MBX_EMBED); | |
14560 | mq_create = &mbox->u.mqe.un.mq_create; | |
14561 | bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, | |
14562 | mq->page_count); | |
14563 | bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, | |
14564 | cq->queue_id); | |
14565 | bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); | |
14566 | switch (mq->entry_count) { | |
14567 | case 16: | |
5a6f133e JS |
14568 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14569 | LPFC_MQ_RING_SIZE_16); | |
b19a061a JS |
14570 | break; |
14571 | case 32: | |
5a6f133e JS |
14572 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14573 | LPFC_MQ_RING_SIZE_32); | |
b19a061a JS |
14574 | break; |
14575 | case 64: | |
5a6f133e JS |
14576 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14577 | LPFC_MQ_RING_SIZE_64); | |
b19a061a JS |
14578 | break; |
14579 | case 128: | |
5a6f133e JS |
14580 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14581 | LPFC_MQ_RING_SIZE_128); | |
b19a061a JS |
14582 | break; |
14583 | } | |
14584 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
14585 | mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
14586 | putPaddrLow(dmabuf->phys); | |
14587 | mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14588 | putPaddrHigh(dmabuf->phys); | |
14589 | } | |
14590 | } | |
14591 | ||
04c68496 JS |
14592 | /** |
14593 | * lpfc_mq_create - Create a mailbox Queue on the HBA | |
14594 | * @phba: HBA structure that indicates port to create a queue on. | |
14595 | * @mq: The queue structure to use to create the mailbox queue. | |
b19a061a JS |
14596 | * @cq: The completion queue to associate with this cq. |
14597 | * @subtype: The queue's subtype. | |
04c68496 JS |
14598 | * |
14599 | * This function creates a mailbox queue, as detailed in @mq, on a port, | |
14600 | * described by @phba by sending a MQ_CREATE mailbox command to the HBA. | |
14601 | * | |
14602 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14603 | * is used to get the entry count and entry size that are necessary to | |
14604 | * determine the number of pages to allocate and use for this queue. This | |
14605 | * function will send the MQ_CREATE mailbox command to the HBA to setup the | |
14606 | * mailbox queue. This function is asynchronous and will wait for the mailbox | |
14607 | * command to finish before continuing. | |
14608 | * | |
14609 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14610 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14611 | * fails this function will return -ENXIO. | |
04c68496 | 14612 | **/ |
b19a061a | 14613 | int32_t |
04c68496 JS |
14614 | lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, |
14615 | struct lpfc_queue *cq, uint32_t subtype) | |
14616 | { | |
14617 | struct lpfc_mbx_mq_create *mq_create; | |
b19a061a | 14618 | struct lpfc_mbx_mq_create_ext *mq_create_ext; |
04c68496 JS |
14619 | struct lpfc_dmabuf *dmabuf; |
14620 | LPFC_MBOXQ_t *mbox; | |
14621 | int rc, length, status = 0; | |
14622 | uint32_t shdr_status, shdr_add_status; | |
14623 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 14624 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
04c68496 | 14625 | |
2e90f4b5 JS |
14626 | /* sanity check on queue memory */ |
14627 | if (!mq || !cq) | |
14628 | return -ENODEV; | |
49198b37 JS |
14629 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14630 | hw_page_size = SLI4_PAGE_SIZE; | |
b19a061a | 14631 | |
04c68496 JS |
14632 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
14633 | if (!mbox) | |
14634 | return -ENOMEM; | |
b19a061a | 14635 | length = (sizeof(struct lpfc_mbx_mq_create_ext) - |
04c68496 JS |
14636 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
14637 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
b19a061a | 14638 | LPFC_MBOX_OPCODE_MQ_CREATE_EXT, |
04c68496 | 14639 | length, LPFC_SLI4_MBX_EMBED); |
b19a061a JS |
14640 | |
14641 | mq_create_ext = &mbox->u.mqe.un.mq_create_ext; | |
5a6f133e | 14642 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr; |
70f3c073 JS |
14643 | bf_set(lpfc_mbx_mq_create_ext_num_pages, |
14644 | &mq_create_ext->u.request, mq->page_count); | |
14645 | bf_set(lpfc_mbx_mq_create_ext_async_evt_link, | |
14646 | &mq_create_ext->u.request, 1); | |
14647 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fip, | |
b19a061a JS |
14648 | &mq_create_ext->u.request, 1); |
14649 | bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, | |
14650 | &mq_create_ext->u.request, 1); | |
70f3c073 JS |
14651 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fc, |
14652 | &mq_create_ext->u.request, 1); | |
14653 | bf_set(lpfc_mbx_mq_create_ext_async_evt_sli, | |
14654 | &mq_create_ext->u.request, 1); | |
b19a061a | 14655 | bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); |
5a6f133e JS |
14656 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14657 | phba->sli4_hba.pc_sli4_params.mqv); | |
14658 | if (phba->sli4_hba.pc_sli4_params.mqv == LPFC_Q_CREATE_VERSION_1) | |
14659 | bf_set(lpfc_mbx_mq_create_ext_cq_id, &mq_create_ext->u.request, | |
14660 | cq->queue_id); | |
14661 | else | |
14662 | bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, | |
14663 | cq->queue_id); | |
04c68496 JS |
14664 | switch (mq->entry_count) { |
14665 | default: | |
14666 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14667 | "0362 Unsupported MQ count. (%d)\n", | |
14668 | mq->entry_count); | |
4f4c1863 JS |
14669 | if (mq->entry_count < 16) { |
14670 | status = -EINVAL; | |
14671 | goto out; | |
14672 | } | |
04c68496 JS |
14673 | /* otherwise default to smallest count (drop through) */ |
14674 | case 16: | |
5a6f133e JS |
14675 | bf_set(lpfc_mq_context_ring_size, |
14676 | &mq_create_ext->u.request.context, | |
14677 | LPFC_MQ_RING_SIZE_16); | |
04c68496 JS |
14678 | break; |
14679 | case 32: | |
5a6f133e JS |
14680 | bf_set(lpfc_mq_context_ring_size, |
14681 | &mq_create_ext->u.request.context, | |
14682 | LPFC_MQ_RING_SIZE_32); | |
04c68496 JS |
14683 | break; |
14684 | case 64: | |
5a6f133e JS |
14685 | bf_set(lpfc_mq_context_ring_size, |
14686 | &mq_create_ext->u.request.context, | |
14687 | LPFC_MQ_RING_SIZE_64); | |
04c68496 JS |
14688 | break; |
14689 | case 128: | |
5a6f133e JS |
14690 | bf_set(lpfc_mq_context_ring_size, |
14691 | &mq_create_ext->u.request.context, | |
14692 | LPFC_MQ_RING_SIZE_128); | |
04c68496 JS |
14693 | break; |
14694 | } | |
14695 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
49198b37 | 14696 | memset(dmabuf->virt, 0, hw_page_size); |
b19a061a | 14697 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo = |
04c68496 | 14698 | putPaddrLow(dmabuf->phys); |
b19a061a | 14699 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi = |
04c68496 JS |
14700 | putPaddrHigh(dmabuf->phys); |
14701 | } | |
14702 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
b19a061a JS |
14703 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, |
14704 | &mq_create_ext->u.response); | |
14705 | if (rc != MBX_SUCCESS) { | |
14706 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
14707 | "2795 MQ_CREATE_EXT failed with " | |
14708 | "status x%x. Failback to MQ_CREATE.\n", | |
14709 | rc); | |
14710 | lpfc_mq_create_fb_init(phba, mq, mbox, cq); | |
14711 | mq_create = &mbox->u.mqe.un.mq_create; | |
14712 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14713 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; | |
14714 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, | |
14715 | &mq_create->u.response); | |
14716 | } | |
14717 | ||
04c68496 | 14718 | /* The IOCTL status is embedded in the mailbox subheader. */ |
04c68496 JS |
14719 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14720 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14721 | if (shdr_status || shdr_add_status || rc) { | |
14722 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14723 | "2502 MQ_CREATE mailbox failed with " | |
14724 | "status x%x add_status x%x, mbx status x%x\n", | |
14725 | shdr_status, shdr_add_status, rc); | |
14726 | status = -ENXIO; | |
14727 | goto out; | |
14728 | } | |
04c68496 JS |
14729 | if (mq->queue_id == 0xFFFF) { |
14730 | status = -ENXIO; | |
14731 | goto out; | |
14732 | } | |
14733 | mq->type = LPFC_MQ; | |
2a622bfb | 14734 | mq->assoc_qid = cq->queue_id; |
04c68496 JS |
14735 | mq->subtype = subtype; |
14736 | mq->host_index = 0; | |
14737 | mq->hba_index = 0; | |
64eb4dcb | 14738 | mq->entry_repost = LPFC_MQ_REPOST; |
04c68496 JS |
14739 | |
14740 | /* link the mq onto the parent cq child list */ | |
14741 | list_add_tail(&mq->list, &cq->child_list); | |
14742 | out: | |
8fa38513 | 14743 | mempool_free(mbox, phba->mbox_mem_pool); |
04c68496 JS |
14744 | return status; |
14745 | } | |
14746 | ||
4f774513 JS |
14747 | /** |
14748 | * lpfc_wq_create - Create a Work Queue on the HBA | |
14749 | * @phba: HBA structure that indicates port to create a queue on. | |
14750 | * @wq: The queue structure to use to create the work queue. | |
14751 | * @cq: The completion queue to bind this work queue to. | |
14752 | * @subtype: The subtype of the work queue indicating its functionality. | |
14753 | * | |
14754 | * This function creates a work queue, as detailed in @wq, on a port, described | |
14755 | * by @phba by sending a WQ_CREATE mailbox command to the HBA. | |
14756 | * | |
14757 | * The @phba struct is used to send mailbox command to HBA. The @wq struct | |
14758 | * is used to get the entry count and entry size that are necessary to | |
14759 | * determine the number of pages to allocate and use for this queue. The @cq | |
14760 | * is used to indicate which completion queue to bind this work queue to. This | |
14761 | * function will send the WQ_CREATE mailbox command to the HBA to setup the | |
14762 | * work queue. This function is asynchronous and will wait for the mailbox | |
14763 | * command to finish before continuing. | |
14764 | * | |
14765 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14766 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14767 | * fails this function will return -ENXIO. | |
4f774513 | 14768 | **/ |
a2fc4aef | 14769 | int |
4f774513 JS |
14770 | lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, |
14771 | struct lpfc_queue *cq, uint32_t subtype) | |
14772 | { | |
14773 | struct lpfc_mbx_wq_create *wq_create; | |
14774 | struct lpfc_dmabuf *dmabuf; | |
14775 | LPFC_MBOXQ_t *mbox; | |
14776 | int rc, length, status = 0; | |
14777 | uint32_t shdr_status, shdr_add_status; | |
14778 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 14779 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
5a6f133e | 14780 | struct dma_address *page; |
962bc51b JS |
14781 | void __iomem *bar_memmap_p; |
14782 | uint32_t db_offset; | |
14783 | uint16_t pci_barset; | |
49198b37 | 14784 | |
2e90f4b5 JS |
14785 | /* sanity check on queue memory */ |
14786 | if (!wq || !cq) | |
14787 | return -ENODEV; | |
49198b37 JS |
14788 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14789 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
14790 | |
14791 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14792 | if (!mbox) | |
14793 | return -ENOMEM; | |
14794 | length = (sizeof(struct lpfc_mbx_wq_create) - | |
14795 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14796 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
14797 | LPFC_MBOX_OPCODE_FCOE_WQ_CREATE, | |
14798 | length, LPFC_SLI4_MBX_EMBED); | |
14799 | wq_create = &mbox->u.mqe.un.wq_create; | |
5a6f133e | 14800 | shdr = (union lpfc_sli4_cfg_shdr *) &wq_create->header.cfg_shdr; |
4f774513 JS |
14801 | bf_set(lpfc_mbx_wq_create_num_pages, &wq_create->u.request, |
14802 | wq->page_count); | |
14803 | bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request, | |
14804 | cq->queue_id); | |
0c651878 JS |
14805 | |
14806 | /* wqv is the earliest version supported, NOT the latest */ | |
5a6f133e JS |
14807 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14808 | phba->sli4_hba.pc_sli4_params.wqv); | |
962bc51b | 14809 | |
0c651878 JS |
14810 | switch (phba->sli4_hba.pc_sli4_params.wqv) { |
14811 | case LPFC_Q_CREATE_VERSION_0: | |
14812 | switch (wq->entry_size) { | |
14813 | default: | |
14814 | case 64: | |
14815 | /* Nothing to do, version 0 ONLY supports 64 byte */ | |
14816 | page = wq_create->u.request.page; | |
14817 | break; | |
14818 | case 128: | |
14819 | if (!(phba->sli4_hba.pc_sli4_params.wqsize & | |
14820 | LPFC_WQ_SZ128_SUPPORT)) { | |
14821 | status = -ERANGE; | |
14822 | goto out; | |
14823 | } | |
14824 | /* If we get here the HBA MUST also support V1 and | |
14825 | * we MUST use it | |
14826 | */ | |
14827 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
14828 | LPFC_Q_CREATE_VERSION_1); | |
14829 | ||
14830 | bf_set(lpfc_mbx_wq_create_wqe_count, | |
14831 | &wq_create->u.request_1, wq->entry_count); | |
14832 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
14833 | &wq_create->u.request_1, | |
14834 | LPFC_WQ_WQE_SIZE_128); | |
14835 | bf_set(lpfc_mbx_wq_create_page_size, | |
14836 | &wq_create->u.request_1, | |
8ea73db4 | 14837 | LPFC_WQ_PAGE_SIZE_4096); |
0c651878 JS |
14838 | page = wq_create->u.request_1.page; |
14839 | break; | |
14840 | } | |
14841 | break; | |
14842 | case LPFC_Q_CREATE_VERSION_1: | |
5a6f133e JS |
14843 | bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1, |
14844 | wq->entry_count); | |
3f247de7 JS |
14845 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14846 | LPFC_Q_CREATE_VERSION_1); | |
14847 | ||
5a6f133e JS |
14848 | switch (wq->entry_size) { |
14849 | default: | |
14850 | case 64: | |
14851 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
14852 | &wq_create->u.request_1, | |
14853 | LPFC_WQ_WQE_SIZE_64); | |
14854 | break; | |
14855 | case 128: | |
0c651878 JS |
14856 | if (!(phba->sli4_hba.pc_sli4_params.wqsize & |
14857 | LPFC_WQ_SZ128_SUPPORT)) { | |
14858 | status = -ERANGE; | |
14859 | goto out; | |
14860 | } | |
5a6f133e JS |
14861 | bf_set(lpfc_mbx_wq_create_wqe_size, |
14862 | &wq_create->u.request_1, | |
14863 | LPFC_WQ_WQE_SIZE_128); | |
14864 | break; | |
14865 | } | |
8ea73db4 JS |
14866 | bf_set(lpfc_mbx_wq_create_page_size, |
14867 | &wq_create->u.request_1, | |
14868 | LPFC_WQ_PAGE_SIZE_4096); | |
5a6f133e | 14869 | page = wq_create->u.request_1.page; |
0c651878 JS |
14870 | break; |
14871 | default: | |
14872 | status = -ERANGE; | |
14873 | goto out; | |
5a6f133e | 14874 | } |
0c651878 | 14875 | |
4f774513 | 14876 | list_for_each_entry(dmabuf, &wq->page_list, list) { |
49198b37 | 14877 | memset(dmabuf->virt, 0, hw_page_size); |
5a6f133e JS |
14878 | page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); |
14879 | page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys); | |
4f774513 | 14880 | } |
962bc51b JS |
14881 | |
14882 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) | |
14883 | bf_set(lpfc_mbx_wq_create_dua, &wq_create->u.request, 1); | |
14884 | ||
4f774513 JS |
14885 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
14886 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
14887 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14888 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14889 | if (shdr_status || shdr_add_status || rc) { | |
14890 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14891 | "2503 WQ_CREATE mailbox failed with " | |
14892 | "status x%x add_status x%x, mbx status x%x\n", | |
14893 | shdr_status, shdr_add_status, rc); | |
14894 | status = -ENXIO; | |
14895 | goto out; | |
14896 | } | |
14897 | wq->queue_id = bf_get(lpfc_mbx_wq_create_q_id, &wq_create->u.response); | |
14898 | if (wq->queue_id == 0xFFFF) { | |
14899 | status = -ENXIO; | |
14900 | goto out; | |
14901 | } | |
962bc51b JS |
14902 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { |
14903 | wq->db_format = bf_get(lpfc_mbx_wq_create_db_format, | |
14904 | &wq_create->u.response); | |
14905 | if ((wq->db_format != LPFC_DB_LIST_FORMAT) && | |
14906 | (wq->db_format != LPFC_DB_RING_FORMAT)) { | |
14907 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14908 | "3265 WQ[%d] doorbell format not " | |
14909 | "supported: x%x\n", wq->queue_id, | |
14910 | wq->db_format); | |
14911 | status = -EINVAL; | |
14912 | goto out; | |
14913 | } | |
14914 | pci_barset = bf_get(lpfc_mbx_wq_create_bar_set, | |
14915 | &wq_create->u.response); | |
14916 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset); | |
14917 | if (!bar_memmap_p) { | |
14918 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14919 | "3263 WQ[%d] failed to memmap pci " | |
14920 | "barset:x%x\n", wq->queue_id, | |
14921 | pci_barset); | |
14922 | status = -ENOMEM; | |
14923 | goto out; | |
14924 | } | |
14925 | db_offset = wq_create->u.response.doorbell_offset; | |
14926 | if ((db_offset != LPFC_ULP0_WQ_DOORBELL) && | |
14927 | (db_offset != LPFC_ULP1_WQ_DOORBELL)) { | |
14928 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14929 | "3252 WQ[%d] doorbell offset not " | |
14930 | "supported: x%x\n", wq->queue_id, | |
14931 | db_offset); | |
14932 | status = -EINVAL; | |
14933 | goto out; | |
14934 | } | |
14935 | wq->db_regaddr = bar_memmap_p + db_offset; | |
14936 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a22e7db3 JS |
14937 | "3264 WQ[%d]: barset:x%x, offset:x%x, " |
14938 | "format:x%x\n", wq->queue_id, pci_barset, | |
14939 | db_offset, wq->db_format); | |
962bc51b JS |
14940 | } else { |
14941 | wq->db_format = LPFC_DB_LIST_FORMAT; | |
14942 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
14943 | } | |
895427bd JS |
14944 | wq->pring = kzalloc(sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
14945 | if (wq->pring == NULL) { | |
14946 | status = -ENOMEM; | |
14947 | goto out; | |
14948 | } | |
4f774513 | 14949 | wq->type = LPFC_WQ; |
2a622bfb | 14950 | wq->assoc_qid = cq->queue_id; |
4f774513 JS |
14951 | wq->subtype = subtype; |
14952 | wq->host_index = 0; | |
14953 | wq->hba_index = 0; | |
ff78d8f9 | 14954 | wq->entry_repost = LPFC_RELEASE_NOTIFICATION_INTERVAL; |
4f774513 JS |
14955 | |
14956 | /* link the wq onto the parent cq child list */ | |
14957 | list_add_tail(&wq->list, &cq->child_list); | |
14958 | out: | |
8fa38513 | 14959 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
14960 | return status; |
14961 | } | |
14962 | ||
14963 | /** | |
14964 | * lpfc_rq_create - Create a Receive Queue on the HBA | |
14965 | * @phba: HBA structure that indicates port to create a queue on. | |
14966 | * @hrq: The queue structure to use to create the header receive queue. | |
14967 | * @drq: The queue structure to use to create the data receive queue. | |
14968 | * @cq: The completion queue to bind this work queue to. | |
14969 | * | |
14970 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
14971 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
14972 | * to the HBA. | |
14973 | * | |
14974 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
14975 | * struct is used to get the entry count that is necessary to determine the | |
14976 | * number of pages to use for this queue. The @cq is used to indicate which | |
14977 | * completion queue to bind received buffers that are posted to these queues to. | |
14978 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
14979 | * receive queue pair. This function is asynchronous and will wait for the | |
14980 | * mailbox command to finish before continuing. | |
14981 | * | |
14982 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14983 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14984 | * fails this function will return -ENXIO. | |
4f774513 | 14985 | **/ |
a2fc4aef | 14986 | int |
4f774513 JS |
14987 | lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
14988 | struct lpfc_queue *drq, struct lpfc_queue *cq, uint32_t subtype) | |
14989 | { | |
14990 | struct lpfc_mbx_rq_create *rq_create; | |
14991 | struct lpfc_dmabuf *dmabuf; | |
14992 | LPFC_MBOXQ_t *mbox; | |
14993 | int rc, length, status = 0; | |
14994 | uint32_t shdr_status, shdr_add_status; | |
14995 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 14996 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
962bc51b JS |
14997 | void __iomem *bar_memmap_p; |
14998 | uint32_t db_offset; | |
14999 | uint16_t pci_barset; | |
49198b37 | 15000 | |
2e90f4b5 JS |
15001 | /* sanity check on queue memory */ |
15002 | if (!hrq || !drq || !cq) | |
15003 | return -ENODEV; | |
49198b37 JS |
15004 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15005 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
15006 | |
15007 | if (hrq->entry_count != drq->entry_count) | |
15008 | return -EINVAL; | |
15009 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15010 | if (!mbox) | |
15011 | return -ENOMEM; | |
15012 | length = (sizeof(struct lpfc_mbx_rq_create) - | |
15013 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15014 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15015 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15016 | length, LPFC_SLI4_MBX_EMBED); | |
15017 | rq_create = &mbox->u.mqe.un.rq_create; | |
5a6f133e JS |
15018 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; |
15019 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
15020 | phba->sli4_hba.pc_sli4_params.rqv); | |
15021 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
15022 | bf_set(lpfc_rq_context_rqe_count_1, | |
15023 | &rq_create->u.request.context, | |
15024 | hrq->entry_count); | |
15025 | rq_create->u.request.context.buffer_size = LPFC_HDR_BUF_SIZE; | |
c31098ce JS |
15026 | bf_set(lpfc_rq_context_rqe_size, |
15027 | &rq_create->u.request.context, | |
15028 | LPFC_RQE_SIZE_8); | |
15029 | bf_set(lpfc_rq_context_page_size, | |
15030 | &rq_create->u.request.context, | |
8ea73db4 | 15031 | LPFC_RQ_PAGE_SIZE_4096); |
5a6f133e JS |
15032 | } else { |
15033 | switch (hrq->entry_count) { | |
15034 | default: | |
15035 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15036 | "2535 Unsupported RQ count. (%d)\n", | |
15037 | hrq->entry_count); | |
4f4c1863 JS |
15038 | if (hrq->entry_count < 512) { |
15039 | status = -EINVAL; | |
15040 | goto out; | |
15041 | } | |
5a6f133e JS |
15042 | /* otherwise default to smallest count (drop through) */ |
15043 | case 512: | |
15044 | bf_set(lpfc_rq_context_rqe_count, | |
15045 | &rq_create->u.request.context, | |
15046 | LPFC_RQ_RING_SIZE_512); | |
15047 | break; | |
15048 | case 1024: | |
15049 | bf_set(lpfc_rq_context_rqe_count, | |
15050 | &rq_create->u.request.context, | |
15051 | LPFC_RQ_RING_SIZE_1024); | |
15052 | break; | |
15053 | case 2048: | |
15054 | bf_set(lpfc_rq_context_rqe_count, | |
15055 | &rq_create->u.request.context, | |
15056 | LPFC_RQ_RING_SIZE_2048); | |
15057 | break; | |
15058 | case 4096: | |
15059 | bf_set(lpfc_rq_context_rqe_count, | |
15060 | &rq_create->u.request.context, | |
15061 | LPFC_RQ_RING_SIZE_4096); | |
15062 | break; | |
15063 | } | |
15064 | bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, | |
15065 | LPFC_HDR_BUF_SIZE); | |
4f774513 JS |
15066 | } |
15067 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
15068 | cq->queue_id); | |
15069 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
15070 | hrq->page_count); | |
4f774513 | 15071 | list_for_each_entry(dmabuf, &hrq->page_list, list) { |
49198b37 | 15072 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
15073 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
15074 | putPaddrLow(dmabuf->phys); | |
15075 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15076 | putPaddrHigh(dmabuf->phys); | |
15077 | } | |
962bc51b JS |
15078 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
15079 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
15080 | ||
4f774513 JS |
15081 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15082 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15083 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15084 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15085 | if (shdr_status || shdr_add_status || rc) { | |
15086 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15087 | "2504 RQ_CREATE mailbox failed with " | |
15088 | "status x%x add_status x%x, mbx status x%x\n", | |
15089 | shdr_status, shdr_add_status, rc); | |
15090 | status = -ENXIO; | |
15091 | goto out; | |
15092 | } | |
15093 | hrq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15094 | if (hrq->queue_id == 0xFFFF) { | |
15095 | status = -ENXIO; | |
15096 | goto out; | |
15097 | } | |
962bc51b JS |
15098 | |
15099 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
15100 | hrq->db_format = bf_get(lpfc_mbx_rq_create_db_format, | |
15101 | &rq_create->u.response); | |
15102 | if ((hrq->db_format != LPFC_DB_LIST_FORMAT) && | |
15103 | (hrq->db_format != LPFC_DB_RING_FORMAT)) { | |
15104 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15105 | "3262 RQ [%d] doorbell format not " | |
15106 | "supported: x%x\n", hrq->queue_id, | |
15107 | hrq->db_format); | |
15108 | status = -EINVAL; | |
15109 | goto out; | |
15110 | } | |
15111 | ||
15112 | pci_barset = bf_get(lpfc_mbx_rq_create_bar_set, | |
15113 | &rq_create->u.response); | |
15114 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset); | |
15115 | if (!bar_memmap_p) { | |
15116 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15117 | "3269 RQ[%d] failed to memmap pci " | |
15118 | "barset:x%x\n", hrq->queue_id, | |
15119 | pci_barset); | |
15120 | status = -ENOMEM; | |
15121 | goto out; | |
15122 | } | |
15123 | ||
15124 | db_offset = rq_create->u.response.doorbell_offset; | |
15125 | if ((db_offset != LPFC_ULP0_RQ_DOORBELL) && | |
15126 | (db_offset != LPFC_ULP1_RQ_DOORBELL)) { | |
15127 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15128 | "3270 RQ[%d] doorbell offset not " | |
15129 | "supported: x%x\n", hrq->queue_id, | |
15130 | db_offset); | |
15131 | status = -EINVAL; | |
15132 | goto out; | |
15133 | } | |
15134 | hrq->db_regaddr = bar_memmap_p + db_offset; | |
15135 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a22e7db3 JS |
15136 | "3266 RQ[qid:%d]: barset:x%x, offset:x%x, " |
15137 | "format:x%x\n", hrq->queue_id, pci_barset, | |
15138 | db_offset, hrq->db_format); | |
962bc51b JS |
15139 | } else { |
15140 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
15141 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15142 | } | |
4f774513 | 15143 | hrq->type = LPFC_HRQ; |
2a622bfb | 15144 | hrq->assoc_qid = cq->queue_id; |
4f774513 JS |
15145 | hrq->subtype = subtype; |
15146 | hrq->host_index = 0; | |
15147 | hrq->hba_index = 0; | |
61f3d4bf | 15148 | hrq->entry_repost = LPFC_RQ_REPOST; |
4f774513 JS |
15149 | |
15150 | /* now create the data queue */ | |
15151 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15152 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15153 | length, LPFC_SLI4_MBX_EMBED); | |
5a6f133e JS |
15154 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15155 | phba->sli4_hba.pc_sli4_params.rqv); | |
15156 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
15157 | bf_set(lpfc_rq_context_rqe_count_1, | |
c31098ce | 15158 | &rq_create->u.request.context, hrq->entry_count); |
3c603be9 JS |
15159 | if (subtype == LPFC_NVMET) |
15160 | rq_create->u.request.context.buffer_size = | |
15161 | LPFC_NVMET_DATA_BUF_SIZE; | |
15162 | else | |
15163 | rq_create->u.request.context.buffer_size = | |
15164 | LPFC_DATA_BUF_SIZE; | |
c31098ce JS |
15165 | bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context, |
15166 | LPFC_RQE_SIZE_8); | |
15167 | bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context, | |
15168 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
5a6f133e JS |
15169 | } else { |
15170 | switch (drq->entry_count) { | |
15171 | default: | |
15172 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15173 | "2536 Unsupported RQ count. (%d)\n", | |
15174 | drq->entry_count); | |
4f4c1863 JS |
15175 | if (drq->entry_count < 512) { |
15176 | status = -EINVAL; | |
15177 | goto out; | |
15178 | } | |
5a6f133e JS |
15179 | /* otherwise default to smallest count (drop through) */ |
15180 | case 512: | |
15181 | bf_set(lpfc_rq_context_rqe_count, | |
15182 | &rq_create->u.request.context, | |
15183 | LPFC_RQ_RING_SIZE_512); | |
15184 | break; | |
15185 | case 1024: | |
15186 | bf_set(lpfc_rq_context_rqe_count, | |
15187 | &rq_create->u.request.context, | |
15188 | LPFC_RQ_RING_SIZE_1024); | |
15189 | break; | |
15190 | case 2048: | |
15191 | bf_set(lpfc_rq_context_rqe_count, | |
15192 | &rq_create->u.request.context, | |
15193 | LPFC_RQ_RING_SIZE_2048); | |
15194 | break; | |
15195 | case 4096: | |
15196 | bf_set(lpfc_rq_context_rqe_count, | |
15197 | &rq_create->u.request.context, | |
15198 | LPFC_RQ_RING_SIZE_4096); | |
15199 | break; | |
15200 | } | |
3c603be9 JS |
15201 | if (subtype == LPFC_NVMET) |
15202 | bf_set(lpfc_rq_context_buf_size, | |
15203 | &rq_create->u.request.context, | |
15204 | LPFC_NVMET_DATA_BUF_SIZE); | |
15205 | else | |
15206 | bf_set(lpfc_rq_context_buf_size, | |
15207 | &rq_create->u.request.context, | |
15208 | LPFC_DATA_BUF_SIZE); | |
4f774513 JS |
15209 | } |
15210 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
15211 | cq->queue_id); | |
15212 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
15213 | drq->page_count); | |
4f774513 JS |
15214 | list_for_each_entry(dmabuf, &drq->page_list, list) { |
15215 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
15216 | putPaddrLow(dmabuf->phys); | |
15217 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15218 | putPaddrHigh(dmabuf->phys); | |
15219 | } | |
962bc51b JS |
15220 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
15221 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
4f774513 JS |
15222 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15223 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15224 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; | |
15225 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15226 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15227 | if (shdr_status || shdr_add_status || rc) { | |
15228 | status = -ENXIO; | |
15229 | goto out; | |
15230 | } | |
15231 | drq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15232 | if (drq->queue_id == 0xFFFF) { | |
15233 | status = -ENXIO; | |
15234 | goto out; | |
15235 | } | |
15236 | drq->type = LPFC_DRQ; | |
2a622bfb | 15237 | drq->assoc_qid = cq->queue_id; |
4f774513 JS |
15238 | drq->subtype = subtype; |
15239 | drq->host_index = 0; | |
15240 | drq->hba_index = 0; | |
61f3d4bf | 15241 | drq->entry_repost = LPFC_RQ_REPOST; |
4f774513 JS |
15242 | |
15243 | /* link the header and data RQs onto the parent cq child list */ | |
15244 | list_add_tail(&hrq->list, &cq->child_list); | |
15245 | list_add_tail(&drq->list, &cq->child_list); | |
15246 | ||
15247 | out: | |
8fa38513 | 15248 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
15249 | return status; |
15250 | } | |
15251 | ||
2d7dbc4c JS |
15252 | /** |
15253 | * lpfc_mrq_create - Create MRQ Receive Queues on the HBA | |
15254 | * @phba: HBA structure that indicates port to create a queue on. | |
15255 | * @hrqp: The queue structure array to use to create the header receive queues. | |
15256 | * @drqp: The queue structure array to use to create the data receive queues. | |
15257 | * @cqp: The completion queue array to bind these receive queues to. | |
15258 | * | |
15259 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
15260 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
15261 | * to the HBA. | |
15262 | * | |
15263 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
15264 | * struct is used to get the entry count that is necessary to determine the | |
15265 | * number of pages to use for this queue. The @cq is used to indicate which | |
15266 | * completion queue to bind received buffers that are posted to these queues to. | |
15267 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
15268 | * receive queue pair. This function is asynchronous and will wait for the | |
15269 | * mailbox command to finish before continuing. | |
15270 | * | |
15271 | * On success this function will return a zero. If unable to allocate enough | |
15272 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
15273 | * fails this function will return -ENXIO. | |
15274 | **/ | |
15275 | int | |
15276 | lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, | |
15277 | struct lpfc_queue **drqp, struct lpfc_queue **cqp, | |
15278 | uint32_t subtype) | |
15279 | { | |
15280 | struct lpfc_queue *hrq, *drq, *cq; | |
15281 | struct lpfc_mbx_rq_create_v2 *rq_create; | |
15282 | struct lpfc_dmabuf *dmabuf; | |
15283 | LPFC_MBOXQ_t *mbox; | |
15284 | int rc, length, alloclen, status = 0; | |
15285 | int cnt, idx, numrq, page_idx = 0; | |
15286 | uint32_t shdr_status, shdr_add_status; | |
15287 | union lpfc_sli4_cfg_shdr *shdr; | |
15288 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
15289 | ||
15290 | numrq = phba->cfg_nvmet_mrq; | |
15291 | /* sanity check on array memory */ | |
15292 | if (!hrqp || !drqp || !cqp || !numrq) | |
15293 | return -ENODEV; | |
15294 | if (!phba->sli4_hba.pc_sli4_params.supported) | |
15295 | hw_page_size = SLI4_PAGE_SIZE; | |
15296 | ||
15297 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15298 | if (!mbox) | |
15299 | return -ENOMEM; | |
15300 | ||
15301 | length = sizeof(struct lpfc_mbx_rq_create_v2); | |
15302 | length += ((2 * numrq * hrqp[0]->page_count) * | |
15303 | sizeof(struct dma_address)); | |
15304 | ||
15305 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15306 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, length, | |
15307 | LPFC_SLI4_MBX_NEMBED); | |
15308 | if (alloclen < length) { | |
15309 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15310 | "3099 Allocated DMA memory size (%d) is " | |
15311 | "less than the requested DMA memory size " | |
15312 | "(%d)\n", alloclen, length); | |
15313 | status = -ENOMEM; | |
15314 | goto out; | |
15315 | } | |
15316 | ||
15317 | ||
15318 | ||
15319 | rq_create = mbox->sge_array->addr[0]; | |
15320 | shdr = (union lpfc_sli4_cfg_shdr *)&rq_create->cfg_shdr; | |
15321 | ||
15322 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_Q_CREATE_VERSION_2); | |
15323 | cnt = 0; | |
15324 | ||
15325 | for (idx = 0; idx < numrq; idx++) { | |
15326 | hrq = hrqp[idx]; | |
15327 | drq = drqp[idx]; | |
15328 | cq = cqp[idx]; | |
15329 | ||
2d7dbc4c JS |
15330 | /* sanity check on queue memory */ |
15331 | if (!hrq || !drq || !cq) { | |
15332 | status = -ENODEV; | |
15333 | goto out; | |
15334 | } | |
15335 | ||
7aabe84b JS |
15336 | if (hrq->entry_count != drq->entry_count) { |
15337 | status = -EINVAL; | |
15338 | goto out; | |
15339 | } | |
15340 | ||
2d7dbc4c JS |
15341 | if (idx == 0) { |
15342 | bf_set(lpfc_mbx_rq_create_num_pages, | |
15343 | &rq_create->u.request, | |
15344 | hrq->page_count); | |
15345 | bf_set(lpfc_mbx_rq_create_rq_cnt, | |
15346 | &rq_create->u.request, (numrq * 2)); | |
15347 | bf_set(lpfc_mbx_rq_create_dnb, &rq_create->u.request, | |
15348 | 1); | |
15349 | bf_set(lpfc_rq_context_base_cq, | |
15350 | &rq_create->u.request.context, | |
15351 | cq->queue_id); | |
15352 | bf_set(lpfc_rq_context_data_size, | |
15353 | &rq_create->u.request.context, | |
3c603be9 | 15354 | LPFC_NVMET_DATA_BUF_SIZE); |
2d7dbc4c JS |
15355 | bf_set(lpfc_rq_context_hdr_size, |
15356 | &rq_create->u.request.context, | |
15357 | LPFC_HDR_BUF_SIZE); | |
15358 | bf_set(lpfc_rq_context_rqe_count_1, | |
15359 | &rq_create->u.request.context, | |
15360 | hrq->entry_count); | |
15361 | bf_set(lpfc_rq_context_rqe_size, | |
15362 | &rq_create->u.request.context, | |
15363 | LPFC_RQE_SIZE_8); | |
15364 | bf_set(lpfc_rq_context_page_size, | |
15365 | &rq_create->u.request.context, | |
15366 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
15367 | } | |
15368 | rc = 0; | |
15369 | list_for_each_entry(dmabuf, &hrq->page_list, list) { | |
15370 | memset(dmabuf->virt, 0, hw_page_size); | |
15371 | cnt = page_idx + dmabuf->buffer_tag; | |
15372 | rq_create->u.request.page[cnt].addr_lo = | |
15373 | putPaddrLow(dmabuf->phys); | |
15374 | rq_create->u.request.page[cnt].addr_hi = | |
15375 | putPaddrHigh(dmabuf->phys); | |
15376 | rc++; | |
15377 | } | |
15378 | page_idx += rc; | |
15379 | ||
15380 | rc = 0; | |
15381 | list_for_each_entry(dmabuf, &drq->page_list, list) { | |
15382 | memset(dmabuf->virt, 0, hw_page_size); | |
15383 | cnt = page_idx + dmabuf->buffer_tag; | |
15384 | rq_create->u.request.page[cnt].addr_lo = | |
15385 | putPaddrLow(dmabuf->phys); | |
15386 | rq_create->u.request.page[cnt].addr_hi = | |
15387 | putPaddrHigh(dmabuf->phys); | |
15388 | rc++; | |
15389 | } | |
15390 | page_idx += rc; | |
15391 | ||
15392 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
15393 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15394 | hrq->type = LPFC_HRQ; | |
15395 | hrq->assoc_qid = cq->queue_id; | |
15396 | hrq->subtype = subtype; | |
15397 | hrq->host_index = 0; | |
15398 | hrq->hba_index = 0; | |
61f3d4bf | 15399 | hrq->entry_repost = LPFC_RQ_REPOST; |
2d7dbc4c JS |
15400 | |
15401 | drq->db_format = LPFC_DB_RING_FORMAT; | |
15402 | drq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15403 | drq->type = LPFC_DRQ; | |
15404 | drq->assoc_qid = cq->queue_id; | |
15405 | drq->subtype = subtype; | |
15406 | drq->host_index = 0; | |
15407 | drq->hba_index = 0; | |
61f3d4bf | 15408 | drq->entry_repost = LPFC_RQ_REPOST; |
2d7dbc4c JS |
15409 | |
15410 | list_add_tail(&hrq->list, &cq->child_list); | |
15411 | list_add_tail(&drq->list, &cq->child_list); | |
15412 | } | |
15413 | ||
15414 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15415 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15416 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15417 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15418 | if (shdr_status || shdr_add_status || rc) { | |
15419 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15420 | "3120 RQ_CREATE mailbox failed with " | |
15421 | "status x%x add_status x%x, mbx status x%x\n", | |
15422 | shdr_status, shdr_add_status, rc); | |
15423 | status = -ENXIO; | |
15424 | goto out; | |
15425 | } | |
15426 | rc = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15427 | if (rc == 0xFFFF) { | |
15428 | status = -ENXIO; | |
15429 | goto out; | |
15430 | } | |
15431 | ||
15432 | /* Initialize all RQs with associated queue id */ | |
15433 | for (idx = 0; idx < numrq; idx++) { | |
15434 | hrq = hrqp[idx]; | |
15435 | hrq->queue_id = rc + (2 * idx); | |
15436 | drq = drqp[idx]; | |
15437 | drq->queue_id = rc + (2 * idx) + 1; | |
15438 | } | |
15439 | ||
15440 | out: | |
15441 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
15442 | return status; | |
15443 | } | |
15444 | ||
4f774513 JS |
15445 | /** |
15446 | * lpfc_eq_destroy - Destroy an event Queue on the HBA | |
15447 | * @eq: The queue structure associated with the queue to destroy. | |
15448 | * | |
15449 | * This function destroys a queue, as detailed in @eq by sending an mailbox | |
15450 | * command, specific to the type of queue, to the HBA. | |
15451 | * | |
15452 | * The @eq struct is used to get the queue ID of the queue to destroy. | |
15453 | * | |
15454 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15455 | * command fails this function will return -ENXIO. |
4f774513 | 15456 | **/ |
a2fc4aef | 15457 | int |
4f774513 JS |
15458 | lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq) |
15459 | { | |
15460 | LPFC_MBOXQ_t *mbox; | |
15461 | int rc, length, status = 0; | |
15462 | uint32_t shdr_status, shdr_add_status; | |
15463 | union lpfc_sli4_cfg_shdr *shdr; | |
15464 | ||
2e90f4b5 | 15465 | /* sanity check on queue memory */ |
4f774513 JS |
15466 | if (!eq) |
15467 | return -ENODEV; | |
15468 | mbox = mempool_alloc(eq->phba->mbox_mem_pool, GFP_KERNEL); | |
15469 | if (!mbox) | |
15470 | return -ENOMEM; | |
15471 | length = (sizeof(struct lpfc_mbx_eq_destroy) - | |
15472 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15473 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15474 | LPFC_MBOX_OPCODE_EQ_DESTROY, | |
15475 | length, LPFC_SLI4_MBX_EMBED); | |
15476 | bf_set(lpfc_mbx_eq_destroy_q_id, &mbox->u.mqe.un.eq_destroy.u.request, | |
15477 | eq->queue_id); | |
15478 | mbox->vport = eq->phba->pport; | |
15479 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15480 | ||
15481 | rc = lpfc_sli_issue_mbox(eq->phba, mbox, MBX_POLL); | |
15482 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15483 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15484 | &mbox->u.mqe.un.eq_destroy.header.cfg_shdr; | |
15485 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15486 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15487 | if (shdr_status || shdr_add_status || rc) { | |
15488 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15489 | "2505 EQ_DESTROY mailbox failed with " | |
15490 | "status x%x add_status x%x, mbx status x%x\n", | |
15491 | shdr_status, shdr_add_status, rc); | |
15492 | status = -ENXIO; | |
15493 | } | |
15494 | ||
15495 | /* Remove eq from any list */ | |
15496 | list_del_init(&eq->list); | |
8fa38513 | 15497 | mempool_free(mbox, eq->phba->mbox_mem_pool); |
4f774513 JS |
15498 | return status; |
15499 | } | |
15500 | ||
15501 | /** | |
15502 | * lpfc_cq_destroy - Destroy a Completion Queue on the HBA | |
15503 | * @cq: The queue structure associated with the queue to destroy. | |
15504 | * | |
15505 | * This function destroys a queue, as detailed in @cq by sending an mailbox | |
15506 | * command, specific to the type of queue, to the HBA. | |
15507 | * | |
15508 | * The @cq struct is used to get the queue ID of the queue to destroy. | |
15509 | * | |
15510 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15511 | * command fails this function will return -ENXIO. |
4f774513 | 15512 | **/ |
a2fc4aef | 15513 | int |
4f774513 JS |
15514 | lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq) |
15515 | { | |
15516 | LPFC_MBOXQ_t *mbox; | |
15517 | int rc, length, status = 0; | |
15518 | uint32_t shdr_status, shdr_add_status; | |
15519 | union lpfc_sli4_cfg_shdr *shdr; | |
15520 | ||
2e90f4b5 | 15521 | /* sanity check on queue memory */ |
4f774513 JS |
15522 | if (!cq) |
15523 | return -ENODEV; | |
15524 | mbox = mempool_alloc(cq->phba->mbox_mem_pool, GFP_KERNEL); | |
15525 | if (!mbox) | |
15526 | return -ENOMEM; | |
15527 | length = (sizeof(struct lpfc_mbx_cq_destroy) - | |
15528 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15529 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15530 | LPFC_MBOX_OPCODE_CQ_DESTROY, | |
15531 | length, LPFC_SLI4_MBX_EMBED); | |
15532 | bf_set(lpfc_mbx_cq_destroy_q_id, &mbox->u.mqe.un.cq_destroy.u.request, | |
15533 | cq->queue_id); | |
15534 | mbox->vport = cq->phba->pport; | |
15535 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15536 | rc = lpfc_sli_issue_mbox(cq->phba, mbox, MBX_POLL); | |
15537 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15538 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15539 | &mbox->u.mqe.un.wq_create.header.cfg_shdr; | |
15540 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15541 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15542 | if (shdr_status || shdr_add_status || rc) { | |
15543 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15544 | "2506 CQ_DESTROY mailbox failed with " | |
15545 | "status x%x add_status x%x, mbx status x%x\n", | |
15546 | shdr_status, shdr_add_status, rc); | |
15547 | status = -ENXIO; | |
15548 | } | |
15549 | /* Remove cq from any list */ | |
15550 | list_del_init(&cq->list); | |
8fa38513 | 15551 | mempool_free(mbox, cq->phba->mbox_mem_pool); |
4f774513 JS |
15552 | return status; |
15553 | } | |
15554 | ||
04c68496 JS |
15555 | /** |
15556 | * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA | |
15557 | * @qm: The queue structure associated with the queue to destroy. | |
15558 | * | |
15559 | * This function destroys a queue, as detailed in @mq by sending an mailbox | |
15560 | * command, specific to the type of queue, to the HBA. | |
15561 | * | |
15562 | * The @mq struct is used to get the queue ID of the queue to destroy. | |
15563 | * | |
15564 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15565 | * command fails this function will return -ENXIO. |
04c68496 | 15566 | **/ |
a2fc4aef | 15567 | int |
04c68496 JS |
15568 | lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq) |
15569 | { | |
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; | |
15574 | ||
2e90f4b5 | 15575 | /* sanity check on queue memory */ |
04c68496 JS |
15576 | if (!mq) |
15577 | return -ENODEV; | |
15578 | mbox = mempool_alloc(mq->phba->mbox_mem_pool, GFP_KERNEL); | |
15579 | if (!mbox) | |
15580 | return -ENOMEM; | |
15581 | length = (sizeof(struct lpfc_mbx_mq_destroy) - | |
15582 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15583 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15584 | LPFC_MBOX_OPCODE_MQ_DESTROY, | |
15585 | length, LPFC_SLI4_MBX_EMBED); | |
15586 | bf_set(lpfc_mbx_mq_destroy_q_id, &mbox->u.mqe.un.mq_destroy.u.request, | |
15587 | mq->queue_id); | |
15588 | mbox->vport = mq->phba->pport; | |
15589 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15590 | rc = lpfc_sli_issue_mbox(mq->phba, mbox, MBX_POLL); | |
15591 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15592 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15593 | &mbox->u.mqe.un.mq_destroy.header.cfg_shdr; | |
15594 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15595 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15596 | if (shdr_status || shdr_add_status || rc) { | |
15597 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15598 | "2507 MQ_DESTROY mailbox failed with " | |
15599 | "status x%x add_status x%x, mbx status x%x\n", | |
15600 | shdr_status, shdr_add_status, rc); | |
15601 | status = -ENXIO; | |
15602 | } | |
15603 | /* Remove mq from any list */ | |
15604 | list_del_init(&mq->list); | |
8fa38513 | 15605 | mempool_free(mbox, mq->phba->mbox_mem_pool); |
04c68496 JS |
15606 | return status; |
15607 | } | |
15608 | ||
4f774513 JS |
15609 | /** |
15610 | * lpfc_wq_destroy - Destroy a Work Queue on the HBA | |
15611 | * @wq: The queue structure associated with the queue to destroy. | |
15612 | * | |
15613 | * This function destroys a queue, as detailed in @wq by sending an mailbox | |
15614 | * command, specific to the type of queue, to the HBA. | |
15615 | * | |
15616 | * The @wq struct is used to get the queue ID of the queue to destroy. | |
15617 | * | |
15618 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15619 | * command fails this function will return -ENXIO. |
4f774513 | 15620 | **/ |
a2fc4aef | 15621 | int |
4f774513 JS |
15622 | lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq) |
15623 | { | |
15624 | LPFC_MBOXQ_t *mbox; | |
15625 | int rc, length, status = 0; | |
15626 | uint32_t shdr_status, shdr_add_status; | |
15627 | union lpfc_sli4_cfg_shdr *shdr; | |
15628 | ||
2e90f4b5 | 15629 | /* sanity check on queue memory */ |
4f774513 JS |
15630 | if (!wq) |
15631 | return -ENODEV; | |
15632 | mbox = mempool_alloc(wq->phba->mbox_mem_pool, GFP_KERNEL); | |
15633 | if (!mbox) | |
15634 | return -ENOMEM; | |
15635 | length = (sizeof(struct lpfc_mbx_wq_destroy) - | |
15636 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15637 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15638 | LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY, | |
15639 | length, LPFC_SLI4_MBX_EMBED); | |
15640 | bf_set(lpfc_mbx_wq_destroy_q_id, &mbox->u.mqe.un.wq_destroy.u.request, | |
15641 | wq->queue_id); | |
15642 | mbox->vport = wq->phba->pport; | |
15643 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15644 | rc = lpfc_sli_issue_mbox(wq->phba, mbox, MBX_POLL); | |
15645 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15646 | &mbox->u.mqe.un.wq_destroy.header.cfg_shdr; | |
15647 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15648 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15649 | if (shdr_status || shdr_add_status || rc) { | |
15650 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15651 | "2508 WQ_DESTROY mailbox failed with " | |
15652 | "status x%x add_status x%x, mbx status x%x\n", | |
15653 | shdr_status, shdr_add_status, rc); | |
15654 | status = -ENXIO; | |
15655 | } | |
15656 | /* Remove wq from any list */ | |
15657 | list_del_init(&wq->list); | |
d1f525aa JS |
15658 | kfree(wq->pring); |
15659 | wq->pring = NULL; | |
8fa38513 | 15660 | mempool_free(mbox, wq->phba->mbox_mem_pool); |
4f774513 JS |
15661 | return status; |
15662 | } | |
15663 | ||
15664 | /** | |
15665 | * lpfc_rq_destroy - Destroy a Receive Queue on the HBA | |
15666 | * @rq: The queue structure associated with the queue to destroy. | |
15667 | * | |
15668 | * This function destroys a queue, as detailed in @rq by sending an mailbox | |
15669 | * command, specific to the type of queue, to the HBA. | |
15670 | * | |
15671 | * The @rq struct is used to get the queue ID of the queue to destroy. | |
15672 | * | |
15673 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15674 | * command fails this function will return -ENXIO. |
4f774513 | 15675 | **/ |
a2fc4aef | 15676 | int |
4f774513 JS |
15677 | lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
15678 | struct lpfc_queue *drq) | |
15679 | { | |
15680 | LPFC_MBOXQ_t *mbox; | |
15681 | int rc, length, status = 0; | |
15682 | uint32_t shdr_status, shdr_add_status; | |
15683 | union lpfc_sli4_cfg_shdr *shdr; | |
15684 | ||
2e90f4b5 | 15685 | /* sanity check on queue memory */ |
4f774513 JS |
15686 | if (!hrq || !drq) |
15687 | return -ENODEV; | |
15688 | mbox = mempool_alloc(hrq->phba->mbox_mem_pool, GFP_KERNEL); | |
15689 | if (!mbox) | |
15690 | return -ENOMEM; | |
15691 | length = (sizeof(struct lpfc_mbx_rq_destroy) - | |
fedd3b7b | 15692 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
4f774513 JS |
15693 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, |
15694 | LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY, | |
15695 | length, LPFC_SLI4_MBX_EMBED); | |
15696 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
15697 | hrq->queue_id); | |
15698 | mbox->vport = hrq->phba->pport; | |
15699 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15700 | rc = lpfc_sli_issue_mbox(hrq->phba, mbox, MBX_POLL); | |
15701 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15702 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15703 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
15704 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15705 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15706 | if (shdr_status || shdr_add_status || rc) { | |
15707 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15708 | "2509 RQ_DESTROY mailbox failed with " | |
15709 | "status x%x add_status x%x, mbx status x%x\n", | |
15710 | shdr_status, shdr_add_status, rc); | |
15711 | if (rc != MBX_TIMEOUT) | |
15712 | mempool_free(mbox, hrq->phba->mbox_mem_pool); | |
15713 | return -ENXIO; | |
15714 | } | |
15715 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
15716 | drq->queue_id); | |
15717 | rc = lpfc_sli_issue_mbox(drq->phba, mbox, MBX_POLL); | |
15718 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15719 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
15720 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15721 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15722 | if (shdr_status || shdr_add_status || rc) { | |
15723 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15724 | "2510 RQ_DESTROY mailbox failed with " | |
15725 | "status x%x add_status x%x, mbx status x%x\n", | |
15726 | shdr_status, shdr_add_status, rc); | |
15727 | status = -ENXIO; | |
15728 | } | |
15729 | list_del_init(&hrq->list); | |
15730 | list_del_init(&drq->list); | |
8fa38513 | 15731 | mempool_free(mbox, hrq->phba->mbox_mem_pool); |
4f774513 JS |
15732 | return status; |
15733 | } | |
15734 | ||
15735 | /** | |
15736 | * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA | |
15737 | * @phba: The virtual port for which this call being executed. | |
15738 | * @pdma_phys_addr0: Physical address of the 1st SGL page. | |
15739 | * @pdma_phys_addr1: Physical address of the 2nd SGL page. | |
15740 | * @xritag: the xritag that ties this io to the SGL pages. | |
15741 | * | |
15742 | * This routine will post the sgl pages for the IO that has the xritag | |
15743 | * that is in the iocbq structure. The xritag is assigned during iocbq | |
15744 | * creation and persists for as long as the driver is loaded. | |
15745 | * if the caller has fewer than 256 scatter gather segments to map then | |
15746 | * pdma_phys_addr1 should be 0. | |
15747 | * If the caller needs to map more than 256 scatter gather segment then | |
15748 | * pdma_phys_addr1 should be a valid physical address. | |
15749 | * physical address for SGLs must be 64 byte aligned. | |
15750 | * If you are going to map 2 SGL's then the first one must have 256 entries | |
15751 | * the second sgl can have between 1 and 256 entries. | |
15752 | * | |
15753 | * Return codes: | |
15754 | * 0 - Success | |
15755 | * -ENXIO, -ENOMEM - Failure | |
15756 | **/ | |
15757 | int | |
15758 | lpfc_sli4_post_sgl(struct lpfc_hba *phba, | |
15759 | dma_addr_t pdma_phys_addr0, | |
15760 | dma_addr_t pdma_phys_addr1, | |
15761 | uint16_t xritag) | |
15762 | { | |
15763 | struct lpfc_mbx_post_sgl_pages *post_sgl_pages; | |
15764 | LPFC_MBOXQ_t *mbox; | |
15765 | int rc; | |
15766 | uint32_t shdr_status, shdr_add_status; | |
6d368e53 | 15767 | uint32_t mbox_tmo; |
4f774513 JS |
15768 | union lpfc_sli4_cfg_shdr *shdr; |
15769 | ||
15770 | if (xritag == NO_XRI) { | |
15771 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15772 | "0364 Invalid param:\n"); | |
15773 | return -EINVAL; | |
15774 | } | |
15775 | ||
15776 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15777 | if (!mbox) | |
15778 | return -ENOMEM; | |
15779 | ||
15780 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15781 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
15782 | sizeof(struct lpfc_mbx_post_sgl_pages) - | |
fedd3b7b | 15783 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); |
4f774513 JS |
15784 | |
15785 | post_sgl_pages = (struct lpfc_mbx_post_sgl_pages *) | |
15786 | &mbox->u.mqe.un.post_sgl_pages; | |
15787 | bf_set(lpfc_post_sgl_pages_xri, post_sgl_pages, xritag); | |
15788 | bf_set(lpfc_post_sgl_pages_xricnt, post_sgl_pages, 1); | |
15789 | ||
15790 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_lo = | |
15791 | cpu_to_le32(putPaddrLow(pdma_phys_addr0)); | |
15792 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_hi = | |
15793 | cpu_to_le32(putPaddrHigh(pdma_phys_addr0)); | |
15794 | ||
15795 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_lo = | |
15796 | cpu_to_le32(putPaddrLow(pdma_phys_addr1)); | |
15797 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_hi = | |
15798 | cpu_to_le32(putPaddrHigh(pdma_phys_addr1)); | |
15799 | if (!phba->sli4_hba.intr_enable) | |
15800 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6d368e53 | 15801 | else { |
a183a15f | 15802 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
15803 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
15804 | } | |
4f774513 JS |
15805 | /* The IOCTL status is embedded in the mailbox subheader. */ |
15806 | shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr; | |
15807 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15808 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15809 | if (rc != MBX_TIMEOUT) | |
15810 | mempool_free(mbox, phba->mbox_mem_pool); | |
15811 | if (shdr_status || shdr_add_status || rc) { | |
15812 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15813 | "2511 POST_SGL mailbox failed with " | |
15814 | "status x%x add_status x%x, mbx status x%x\n", | |
15815 | shdr_status, shdr_add_status, rc); | |
4f774513 JS |
15816 | } |
15817 | return 0; | |
15818 | } | |
4f774513 | 15819 | |
6d368e53 | 15820 | /** |
88a2cfbb | 15821 | * lpfc_sli4_alloc_xri - Get an available rpi in the device's range |
6d368e53 JS |
15822 | * @phba: pointer to lpfc hba data structure. |
15823 | * | |
15824 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb JS |
15825 | * HBA consistent with the SLI-4 interface spec. This routine |
15826 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to | |
15827 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6d368e53 | 15828 | * |
88a2cfbb JS |
15829 | * Returns |
15830 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful | |
15831 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. | |
15832 | **/ | |
5d8b8167 | 15833 | static uint16_t |
6d368e53 JS |
15834 | lpfc_sli4_alloc_xri(struct lpfc_hba *phba) |
15835 | { | |
15836 | unsigned long xri; | |
15837 | ||
15838 | /* | |
15839 | * Fetch the next logical xri. Because this index is logical, | |
15840 | * the driver starts at 0 each time. | |
15841 | */ | |
15842 | spin_lock_irq(&phba->hbalock); | |
15843 | xri = find_next_zero_bit(phba->sli4_hba.xri_bmask, | |
15844 | phba->sli4_hba.max_cfg_param.max_xri, 0); | |
15845 | if (xri >= phba->sli4_hba.max_cfg_param.max_xri) { | |
15846 | spin_unlock_irq(&phba->hbalock); | |
15847 | return NO_XRI; | |
15848 | } else { | |
15849 | set_bit(xri, phba->sli4_hba.xri_bmask); | |
15850 | phba->sli4_hba.max_cfg_param.xri_used++; | |
6d368e53 | 15851 | } |
6d368e53 JS |
15852 | spin_unlock_irq(&phba->hbalock); |
15853 | return xri; | |
15854 | } | |
15855 | ||
15856 | /** | |
15857 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
15858 | * @phba: pointer to lpfc hba data structure. | |
15859 | * | |
15860 | * This routine is invoked to release an xri to the pool of | |
15861 | * available rpis maintained by the driver. | |
15862 | **/ | |
5d8b8167 | 15863 | static void |
6d368e53 JS |
15864 | __lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) |
15865 | { | |
15866 | if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) { | |
6d368e53 JS |
15867 | phba->sli4_hba.max_cfg_param.xri_used--; |
15868 | } | |
15869 | } | |
15870 | ||
15871 | /** | |
15872 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
15873 | * @phba: pointer to lpfc hba data structure. | |
15874 | * | |
15875 | * This routine is invoked to release an xri to the pool of | |
15876 | * available rpis maintained by the driver. | |
15877 | **/ | |
15878 | void | |
15879 | lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) | |
15880 | { | |
15881 | spin_lock_irq(&phba->hbalock); | |
15882 | __lpfc_sli4_free_xri(phba, xri); | |
15883 | spin_unlock_irq(&phba->hbalock); | |
15884 | } | |
15885 | ||
4f774513 JS |
15886 | /** |
15887 | * lpfc_sli4_next_xritag - Get an xritag for the io | |
15888 | * @phba: Pointer to HBA context object. | |
15889 | * | |
15890 | * This function gets an xritag for the iocb. If there is no unused xritag | |
15891 | * it will return 0xffff. | |
15892 | * The function returns the allocated xritag if successful, else returns zero. | |
15893 | * Zero is not a valid xritag. | |
15894 | * The caller is not required to hold any lock. | |
15895 | **/ | |
15896 | uint16_t | |
15897 | lpfc_sli4_next_xritag(struct lpfc_hba *phba) | |
15898 | { | |
6d368e53 | 15899 | uint16_t xri_index; |
4f774513 | 15900 | |
6d368e53 | 15901 | xri_index = lpfc_sli4_alloc_xri(phba); |
81378052 JS |
15902 | if (xri_index == NO_XRI) |
15903 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
15904 | "2004 Failed to allocate XRI.last XRITAG is %d" | |
15905 | " Max XRI is %d, Used XRI is %d\n", | |
15906 | xri_index, | |
15907 | phba->sli4_hba.max_cfg_param.max_xri, | |
15908 | phba->sli4_hba.max_cfg_param.xri_used); | |
15909 | return xri_index; | |
4f774513 JS |
15910 | } |
15911 | ||
15912 | /** | |
895427bd | 15913 | * lpfc_sli4_post_sgl_list - post a block of ELS sgls to the port. |
4f774513 | 15914 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 JS |
15915 | * @post_sgl_list: pointer to els sgl entry list. |
15916 | * @count: number of els sgl entries on the list. | |
4f774513 JS |
15917 | * |
15918 | * This routine is invoked to post a block of driver's sgl pages to the | |
15919 | * HBA using non-embedded mailbox command. No Lock is held. This routine | |
15920 | * is only called when the driver is loading and after all IO has been | |
15921 | * stopped. | |
15922 | **/ | |
8a9d2e80 | 15923 | static int |
895427bd | 15924 | lpfc_sli4_post_sgl_list(struct lpfc_hba *phba, |
8a9d2e80 JS |
15925 | struct list_head *post_sgl_list, |
15926 | int post_cnt) | |
4f774513 | 15927 | { |
8a9d2e80 | 15928 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
4f774513 JS |
15929 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
15930 | struct sgl_page_pairs *sgl_pg_pairs; | |
15931 | void *viraddr; | |
15932 | LPFC_MBOXQ_t *mbox; | |
15933 | uint32_t reqlen, alloclen, pg_pairs; | |
15934 | uint32_t mbox_tmo; | |
8a9d2e80 JS |
15935 | uint16_t xritag_start = 0; |
15936 | int rc = 0; | |
4f774513 JS |
15937 | uint32_t shdr_status, shdr_add_status; |
15938 | union lpfc_sli4_cfg_shdr *shdr; | |
15939 | ||
895427bd | 15940 | reqlen = post_cnt * sizeof(struct sgl_page_pairs) + |
4f774513 | 15941 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 15942 | if (reqlen > SLI4_PAGE_SIZE) { |
895427bd | 15943 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4f774513 JS |
15944 | "2559 Block sgl registration required DMA " |
15945 | "size (%d) great than a page\n", reqlen); | |
15946 | return -ENOMEM; | |
15947 | } | |
895427bd | 15948 | |
4f774513 | 15949 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6d368e53 | 15950 | if (!mbox) |
4f774513 | 15951 | return -ENOMEM; |
4f774513 JS |
15952 | |
15953 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
15954 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15955 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
15956 | LPFC_SLI4_MBX_NEMBED); | |
15957 | ||
15958 | if (alloclen < reqlen) { | |
15959 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15960 | "0285 Allocated DMA memory size (%d) is " | |
15961 | "less than the requested DMA memory " | |
15962 | "size (%d)\n", alloclen, reqlen); | |
15963 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
15964 | return -ENOMEM; | |
15965 | } | |
4f774513 | 15966 | /* Set up the SGL pages in the non-embedded DMA pages */ |
6d368e53 | 15967 | viraddr = mbox->sge_array->addr[0]; |
4f774513 JS |
15968 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; |
15969 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
15970 | ||
8a9d2e80 JS |
15971 | pg_pairs = 0; |
15972 | list_for_each_entry_safe(sglq_entry, sglq_next, post_sgl_list, list) { | |
4f774513 JS |
15973 | /* Set up the sge entry */ |
15974 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
15975 | cpu_to_le32(putPaddrLow(sglq_entry->phys)); | |
15976 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
15977 | cpu_to_le32(putPaddrHigh(sglq_entry->phys)); | |
15978 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
15979 | cpu_to_le32(putPaddrLow(0)); | |
15980 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
15981 | cpu_to_le32(putPaddrHigh(0)); | |
6d368e53 | 15982 | |
4f774513 JS |
15983 | /* Keep the first xritag on the list */ |
15984 | if (pg_pairs == 0) | |
15985 | xritag_start = sglq_entry->sli4_xritag; | |
15986 | sgl_pg_pairs++; | |
8a9d2e80 | 15987 | pg_pairs++; |
4f774513 | 15988 | } |
6d368e53 JS |
15989 | |
15990 | /* Complete initialization and perform endian conversion. */ | |
4f774513 | 15991 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); |
895427bd | 15992 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, post_cnt); |
4f774513 | 15993 | sgl->word0 = cpu_to_le32(sgl->word0); |
895427bd | 15994 | |
4f774513 JS |
15995 | if (!phba->sli4_hba.intr_enable) |
15996 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15997 | else { | |
a183a15f | 15998 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
15999 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16000 | } | |
16001 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
16002 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16003 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16004 | if (rc != MBX_TIMEOUT) | |
16005 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16006 | if (shdr_status || shdr_add_status || rc) { | |
16007 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16008 | "2513 POST_SGL_BLOCK mailbox command failed " | |
16009 | "status x%x add_status x%x mbx status x%x\n", | |
16010 | shdr_status, shdr_add_status, rc); | |
16011 | rc = -ENXIO; | |
16012 | } | |
16013 | return rc; | |
16014 | } | |
16015 | ||
16016 | /** | |
16017 | * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware | |
16018 | * @phba: pointer to lpfc hba data structure. | |
16019 | * @sblist: pointer to scsi buffer list. | |
16020 | * @count: number of scsi buffers on the list. | |
16021 | * | |
16022 | * This routine is invoked to post a block of @count scsi sgl pages from a | |
16023 | * SCSI buffer list @sblist to the HBA using non-embedded mailbox command. | |
16024 | * No Lock is held. | |
16025 | * | |
16026 | **/ | |
16027 | int | |
8a9d2e80 JS |
16028 | lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, |
16029 | struct list_head *sblist, | |
16030 | int count) | |
4f774513 JS |
16031 | { |
16032 | struct lpfc_scsi_buf *psb; | |
16033 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; | |
16034 | struct sgl_page_pairs *sgl_pg_pairs; | |
16035 | void *viraddr; | |
16036 | LPFC_MBOXQ_t *mbox; | |
16037 | uint32_t reqlen, alloclen, pg_pairs; | |
16038 | uint32_t mbox_tmo; | |
16039 | uint16_t xritag_start = 0; | |
16040 | int rc = 0; | |
16041 | uint32_t shdr_status, shdr_add_status; | |
16042 | dma_addr_t pdma_phys_bpl1; | |
16043 | union lpfc_sli4_cfg_shdr *shdr; | |
16044 | ||
16045 | /* Calculate the requested length of the dma memory */ | |
8a9d2e80 | 16046 | reqlen = count * sizeof(struct sgl_page_pairs) + |
4f774513 | 16047 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 16048 | if (reqlen > SLI4_PAGE_SIZE) { |
4f774513 JS |
16049 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
16050 | "0217 Block sgl registration required DMA " | |
16051 | "size (%d) great than a page\n", reqlen); | |
16052 | return -ENOMEM; | |
16053 | } | |
16054 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16055 | if (!mbox) { | |
16056 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16057 | "0283 Failed to allocate mbox cmd memory\n"); | |
16058 | return -ENOMEM; | |
16059 | } | |
16060 | ||
16061 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
16062 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16063 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
16064 | LPFC_SLI4_MBX_NEMBED); | |
16065 | ||
16066 | if (alloclen < reqlen) { | |
16067 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16068 | "2561 Allocated DMA memory size (%d) is " | |
16069 | "less than the requested DMA memory " | |
16070 | "size (%d)\n", alloclen, reqlen); | |
16071 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16072 | return -ENOMEM; | |
16073 | } | |
6d368e53 | 16074 | |
4f774513 | 16075 | /* Get the first SGE entry from the non-embedded DMA memory */ |
4f774513 JS |
16076 | viraddr = mbox->sge_array->addr[0]; |
16077 | ||
16078 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
16079 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
16080 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
16081 | ||
16082 | pg_pairs = 0; | |
16083 | list_for_each_entry(psb, sblist, list) { | |
16084 | /* Set up the sge entry */ | |
16085 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
16086 | cpu_to_le32(putPaddrLow(psb->dma_phys_bpl)); | |
16087 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
16088 | cpu_to_le32(putPaddrHigh(psb->dma_phys_bpl)); | |
16089 | if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) | |
16090 | pdma_phys_bpl1 = psb->dma_phys_bpl + SGL_PAGE_SIZE; | |
16091 | else | |
16092 | pdma_phys_bpl1 = 0; | |
16093 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
16094 | cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); | |
16095 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
16096 | cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); | |
16097 | /* Keep the first xritag on the list */ | |
16098 | if (pg_pairs == 0) | |
16099 | xritag_start = psb->cur_iocbq.sli4_xritag; | |
16100 | sgl_pg_pairs++; | |
16101 | pg_pairs++; | |
16102 | } | |
16103 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); | |
16104 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); | |
16105 | /* Perform endian conversion if necessary */ | |
16106 | sgl->word0 = cpu_to_le32(sgl->word0); | |
16107 | ||
16108 | if (!phba->sli4_hba.intr_enable) | |
16109 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16110 | else { | |
a183a15f | 16111 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
16112 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16113 | } | |
16114 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
16115 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16116 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16117 | if (rc != MBX_TIMEOUT) | |
16118 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16119 | if (shdr_status || shdr_add_status || rc) { | |
16120 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16121 | "2564 POST_SGL_BLOCK mailbox command failed " | |
16122 | "status x%x add_status x%x mbx status x%x\n", | |
16123 | shdr_status, shdr_add_status, rc); | |
16124 | rc = -ENXIO; | |
16125 | } | |
16126 | return rc; | |
16127 | } | |
16128 | ||
2ea259ee JS |
16129 | static char *lpfc_rctl_names[] = FC_RCTL_NAMES_INIT; |
16130 | static char *lpfc_type_names[] = FC_TYPE_NAMES_INIT; | |
16131 | ||
4f774513 JS |
16132 | /** |
16133 | * lpfc_fc_frame_check - Check that this frame is a valid frame to handle | |
16134 | * @phba: pointer to lpfc_hba struct that the frame was received on | |
16135 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16136 | * | |
16137 | * This function checks the fields in the @fc_hdr to see if the FC frame is a | |
16138 | * valid type of frame that the LPFC driver will handle. This function will | |
16139 | * return a zero if the frame is a valid frame or a non zero value when the | |
16140 | * frame does not pass the check. | |
16141 | **/ | |
16142 | static int | |
16143 | lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) | |
16144 | { | |
474ffb74 | 16145 | /* make rctl_names static to save stack space */ |
4f774513 | 16146 | struct fc_vft_header *fc_vft_hdr; |
546fc854 | 16147 | uint32_t *header = (uint32_t *) fc_hdr; |
4f774513 | 16148 | |
ae9e28f3 JS |
16149 | #define FC_RCTL_MDS_DIAGS 0xF4 |
16150 | ||
4f774513 JS |
16151 | switch (fc_hdr->fh_r_ctl) { |
16152 | case FC_RCTL_DD_UNCAT: /* uncategorized information */ | |
16153 | case FC_RCTL_DD_SOL_DATA: /* solicited data */ | |
16154 | case FC_RCTL_DD_UNSOL_CTL: /* unsolicited control */ | |
16155 | case FC_RCTL_DD_SOL_CTL: /* solicited control or reply */ | |
16156 | case FC_RCTL_DD_UNSOL_DATA: /* unsolicited data */ | |
16157 | case FC_RCTL_DD_DATA_DESC: /* data descriptor */ | |
16158 | case FC_RCTL_DD_UNSOL_CMD: /* unsolicited command */ | |
16159 | case FC_RCTL_DD_CMD_STATUS: /* command status */ | |
16160 | case FC_RCTL_ELS_REQ: /* extended link services request */ | |
16161 | case FC_RCTL_ELS_REP: /* extended link services reply */ | |
16162 | case FC_RCTL_ELS4_REQ: /* FC-4 ELS request */ | |
16163 | case FC_RCTL_ELS4_REP: /* FC-4 ELS reply */ | |
16164 | case FC_RCTL_BA_NOP: /* basic link service NOP */ | |
16165 | case FC_RCTL_BA_ABTS: /* basic link service abort */ | |
16166 | case FC_RCTL_BA_RMC: /* remove connection */ | |
16167 | case FC_RCTL_BA_ACC: /* basic accept */ | |
16168 | case FC_RCTL_BA_RJT: /* basic reject */ | |
16169 | case FC_RCTL_BA_PRMT: | |
16170 | case FC_RCTL_ACK_1: /* acknowledge_1 */ | |
16171 | case FC_RCTL_ACK_0: /* acknowledge_0 */ | |
16172 | case FC_RCTL_P_RJT: /* port reject */ | |
16173 | case FC_RCTL_F_RJT: /* fabric reject */ | |
16174 | case FC_RCTL_P_BSY: /* port busy */ | |
16175 | case FC_RCTL_F_BSY: /* fabric busy to data frame */ | |
16176 | case FC_RCTL_F_BSYL: /* fabric busy to link control frame */ | |
16177 | case FC_RCTL_LCR: /* link credit reset */ | |
ae9e28f3 | 16178 | case FC_RCTL_MDS_DIAGS: /* MDS Diagnostics */ |
4f774513 JS |
16179 | case FC_RCTL_END: /* end */ |
16180 | break; | |
16181 | case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */ | |
16182 | fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
16183 | fc_hdr = &((struct fc_frame_header *)fc_vft_hdr)[1]; | |
16184 | return lpfc_fc_frame_check(phba, fc_hdr); | |
16185 | default: | |
16186 | goto drop; | |
16187 | } | |
ae9e28f3 JS |
16188 | |
16189 | #define FC_TYPE_VENDOR_UNIQUE 0xFF | |
16190 | ||
4f774513 JS |
16191 | switch (fc_hdr->fh_type) { |
16192 | case FC_TYPE_BLS: | |
16193 | case FC_TYPE_ELS: | |
16194 | case FC_TYPE_FCP: | |
16195 | case FC_TYPE_CT: | |
895427bd | 16196 | case FC_TYPE_NVME: |
ae9e28f3 | 16197 | case FC_TYPE_VENDOR_UNIQUE: |
4f774513 JS |
16198 | break; |
16199 | case FC_TYPE_IP: | |
16200 | case FC_TYPE_ILS: | |
16201 | default: | |
16202 | goto drop; | |
16203 | } | |
546fc854 | 16204 | |
4f774513 | 16205 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
88f43a08 JS |
16206 | "2538 Received frame rctl:%s (x%x), type:%s (x%x), " |
16207 | "frame Data:%08x %08x %08x %08x %08x %08x %08x\n", | |
ae9e28f3 | 16208 | (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS) ? "MDS Diags" : |
2ea259ee | 16209 | lpfc_rctl_names[fc_hdr->fh_r_ctl], fc_hdr->fh_r_ctl, |
ae9e28f3 JS |
16210 | (fc_hdr->fh_type == FC_TYPE_VENDOR_UNIQUE) ? |
16211 | "Vendor Unique" : lpfc_type_names[fc_hdr->fh_type], | |
16212 | fc_hdr->fh_type, be32_to_cpu(header[0]), | |
16213 | be32_to_cpu(header[1]), be32_to_cpu(header[2]), | |
16214 | be32_to_cpu(header[3]), be32_to_cpu(header[4]), | |
16215 | be32_to_cpu(header[5]), be32_to_cpu(header[6])); | |
4f774513 JS |
16216 | return 0; |
16217 | drop: | |
16218 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
16219 | "2539 Dropped frame rctl:%s type:%s\n", | |
2ea259ee JS |
16220 | lpfc_rctl_names[fc_hdr->fh_r_ctl], |
16221 | lpfc_type_names[fc_hdr->fh_type]); | |
4f774513 JS |
16222 | return 1; |
16223 | } | |
16224 | ||
16225 | /** | |
16226 | * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame | |
16227 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16228 | * | |
16229 | * This function processes the FC header to retrieve the VFI from the VF | |
16230 | * header, if one exists. This function will return the VFI if one exists | |
16231 | * or 0 if no VSAN Header exists. | |
16232 | **/ | |
16233 | static uint32_t | |
16234 | lpfc_fc_hdr_get_vfi(struct fc_frame_header *fc_hdr) | |
16235 | { | |
16236 | struct fc_vft_header *fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
16237 | ||
16238 | if (fc_hdr->fh_r_ctl != FC_RCTL_VFTH) | |
16239 | return 0; | |
16240 | return bf_get(fc_vft_hdr_vf_id, fc_vft_hdr); | |
16241 | } | |
16242 | ||
16243 | /** | |
16244 | * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to | |
16245 | * @phba: Pointer to the HBA structure to search for the vport on | |
16246 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16247 | * @fcfi: The FC Fabric ID that the frame came from | |
16248 | * | |
16249 | * This function searches the @phba for a vport that matches the content of the | |
16250 | * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the | |
16251 | * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function | |
16252 | * returns the matching vport pointer or NULL if unable to match frame to a | |
16253 | * vport. | |
16254 | **/ | |
16255 | static struct lpfc_vport * | |
16256 | lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, | |
895427bd | 16257 | uint16_t fcfi, uint32_t did) |
4f774513 JS |
16258 | { |
16259 | struct lpfc_vport **vports; | |
16260 | struct lpfc_vport *vport = NULL; | |
16261 | int i; | |
939723a4 | 16262 | |
bf08611b JS |
16263 | if (did == Fabric_DID) |
16264 | return phba->pport; | |
939723a4 JS |
16265 | if ((phba->pport->fc_flag & FC_PT2PT) && |
16266 | !(phba->link_state == LPFC_HBA_READY)) | |
16267 | return phba->pport; | |
16268 | ||
4f774513 | 16269 | vports = lpfc_create_vport_work_array(phba); |
895427bd | 16270 | if (vports != NULL) { |
4f774513 JS |
16271 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
16272 | if (phba->fcf.fcfi == fcfi && | |
16273 | vports[i]->vfi == lpfc_fc_hdr_get_vfi(fc_hdr) && | |
16274 | vports[i]->fc_myDID == did) { | |
16275 | vport = vports[i]; | |
16276 | break; | |
16277 | } | |
16278 | } | |
895427bd | 16279 | } |
4f774513 JS |
16280 | lpfc_destroy_vport_work_array(phba, vports); |
16281 | return vport; | |
16282 | } | |
16283 | ||
45ed1190 JS |
16284 | /** |
16285 | * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp | |
16286 | * @vport: The vport to work on. | |
16287 | * | |
16288 | * This function updates the receive sequence time stamp for this vport. The | |
16289 | * receive sequence time stamp indicates the time that the last frame of the | |
16290 | * the sequence that has been idle for the longest amount of time was received. | |
16291 | * the driver uses this time stamp to indicate if any received sequences have | |
16292 | * timed out. | |
16293 | **/ | |
5d8b8167 | 16294 | static void |
45ed1190 JS |
16295 | lpfc_update_rcv_time_stamp(struct lpfc_vport *vport) |
16296 | { | |
16297 | struct lpfc_dmabuf *h_buf; | |
16298 | struct hbq_dmabuf *dmabuf = NULL; | |
16299 | ||
16300 | /* get the oldest sequence on the rcv list */ | |
16301 | h_buf = list_get_first(&vport->rcv_buffer_list, | |
16302 | struct lpfc_dmabuf, list); | |
16303 | if (!h_buf) | |
16304 | return; | |
16305 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16306 | vport->rcv_buffer_time_stamp = dmabuf->time_stamp; | |
16307 | } | |
16308 | ||
16309 | /** | |
16310 | * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences. | |
16311 | * @vport: The vport that the received sequences were sent to. | |
16312 | * | |
16313 | * This function cleans up all outstanding received sequences. This is called | |
16314 | * by the driver when a link event or user action invalidates all the received | |
16315 | * sequences. | |
16316 | **/ | |
16317 | void | |
16318 | lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport) | |
16319 | { | |
16320 | struct lpfc_dmabuf *h_buf, *hnext; | |
16321 | struct lpfc_dmabuf *d_buf, *dnext; | |
16322 | struct hbq_dmabuf *dmabuf = NULL; | |
16323 | ||
16324 | /* start with the oldest sequence on the rcv list */ | |
16325 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
16326 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16327 | list_del_init(&dmabuf->hbuf.list); | |
16328 | list_for_each_entry_safe(d_buf, dnext, | |
16329 | &dmabuf->dbuf.list, list) { | |
16330 | list_del_init(&d_buf->list); | |
16331 | lpfc_in_buf_free(vport->phba, d_buf); | |
16332 | } | |
16333 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
16334 | } | |
16335 | } | |
16336 | ||
16337 | /** | |
16338 | * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences. | |
16339 | * @vport: The vport that the received sequences were sent to. | |
16340 | * | |
16341 | * This function determines whether any received sequences have timed out by | |
16342 | * first checking the vport's rcv_buffer_time_stamp. If this time_stamp | |
16343 | * indicates that there is at least one timed out sequence this routine will | |
16344 | * go through the received sequences one at a time from most inactive to most | |
16345 | * active to determine which ones need to be cleaned up. Once it has determined | |
16346 | * that a sequence needs to be cleaned up it will simply free up the resources | |
16347 | * without sending an abort. | |
16348 | **/ | |
16349 | void | |
16350 | lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport) | |
16351 | { | |
16352 | struct lpfc_dmabuf *h_buf, *hnext; | |
16353 | struct lpfc_dmabuf *d_buf, *dnext; | |
16354 | struct hbq_dmabuf *dmabuf = NULL; | |
16355 | unsigned long timeout; | |
16356 | int abort_count = 0; | |
16357 | ||
16358 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
16359 | vport->rcv_buffer_time_stamp); | |
16360 | if (list_empty(&vport->rcv_buffer_list) || | |
16361 | time_before(jiffies, timeout)) | |
16362 | return; | |
16363 | /* start with the oldest sequence on the rcv list */ | |
16364 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
16365 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16366 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
16367 | dmabuf->time_stamp); | |
16368 | if (time_before(jiffies, timeout)) | |
16369 | break; | |
16370 | abort_count++; | |
16371 | list_del_init(&dmabuf->hbuf.list); | |
16372 | list_for_each_entry_safe(d_buf, dnext, | |
16373 | &dmabuf->dbuf.list, list) { | |
16374 | list_del_init(&d_buf->list); | |
16375 | lpfc_in_buf_free(vport->phba, d_buf); | |
16376 | } | |
16377 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
16378 | } | |
16379 | if (abort_count) | |
16380 | lpfc_update_rcv_time_stamp(vport); | |
16381 | } | |
16382 | ||
4f774513 JS |
16383 | /** |
16384 | * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences | |
16385 | * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame | |
16386 | * | |
16387 | * This function searches through the existing incomplete sequences that have | |
16388 | * been sent to this @vport. If the frame matches one of the incomplete | |
16389 | * sequences then the dbuf in the @dmabuf is added to the list of frames that | |
16390 | * make up that sequence. If no sequence is found that matches this frame then | |
16391 | * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list | |
16392 | * This function returns a pointer to the first dmabuf in the sequence list that | |
16393 | * the frame was linked to. | |
16394 | **/ | |
16395 | static struct hbq_dmabuf * | |
16396 | lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
16397 | { | |
16398 | struct fc_frame_header *new_hdr; | |
16399 | struct fc_frame_header *temp_hdr; | |
16400 | struct lpfc_dmabuf *d_buf; | |
16401 | struct lpfc_dmabuf *h_buf; | |
16402 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
16403 | struct hbq_dmabuf *temp_dmabuf = NULL; | |
4360ca9c | 16404 | uint8_t found = 0; |
4f774513 | 16405 | |
4d9ab994 | 16406 | INIT_LIST_HEAD(&dmabuf->dbuf.list); |
45ed1190 | 16407 | dmabuf->time_stamp = jiffies; |
4f774513 | 16408 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
4360ca9c | 16409 | |
4f774513 JS |
16410 | /* Use the hdr_buf to find the sequence that this frame belongs to */ |
16411 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
16412 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
16413 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
16414 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
16415 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
16416 | continue; | |
16417 | /* found a pending sequence that matches this frame */ | |
16418 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16419 | break; | |
16420 | } | |
16421 | if (!seq_dmabuf) { | |
16422 | /* | |
16423 | * This indicates first frame received for this sequence. | |
16424 | * Queue the buffer on the vport's rcv_buffer_list. | |
16425 | */ | |
16426 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
45ed1190 | 16427 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
16428 | return dmabuf; |
16429 | } | |
16430 | temp_hdr = seq_dmabuf->hbuf.virt; | |
eeead811 JS |
16431 | if (be16_to_cpu(new_hdr->fh_seq_cnt) < |
16432 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4d9ab994 JS |
16433 | list_del_init(&seq_dmabuf->hbuf.list); |
16434 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
16435 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
45ed1190 | 16436 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
16437 | return dmabuf; |
16438 | } | |
45ed1190 JS |
16439 | /* move this sequence to the tail to indicate a young sequence */ |
16440 | list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
16441 | seq_dmabuf->time_stamp = jiffies; | |
16442 | lpfc_update_rcv_time_stamp(vport); | |
eeead811 JS |
16443 | if (list_empty(&seq_dmabuf->dbuf.list)) { |
16444 | temp_hdr = dmabuf->hbuf.virt; | |
16445 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
16446 | return seq_dmabuf; | |
16447 | } | |
4f774513 | 16448 | /* find the correct place in the sequence to insert this frame */ |
4360ca9c JS |
16449 | d_buf = list_entry(seq_dmabuf->dbuf.list.prev, typeof(*d_buf), list); |
16450 | while (!found) { | |
4f774513 JS |
16451 | temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
16452 | temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt; | |
16453 | /* | |
16454 | * If the frame's sequence count is greater than the frame on | |
16455 | * the list then insert the frame right after this frame | |
16456 | */ | |
eeead811 JS |
16457 | if (be16_to_cpu(new_hdr->fh_seq_cnt) > |
16458 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4f774513 | 16459 | list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list); |
4360ca9c JS |
16460 | found = 1; |
16461 | break; | |
4f774513 | 16462 | } |
4360ca9c JS |
16463 | |
16464 | if (&d_buf->list == &seq_dmabuf->dbuf.list) | |
16465 | break; | |
16466 | d_buf = list_entry(d_buf->list.prev, typeof(*d_buf), list); | |
4f774513 | 16467 | } |
4360ca9c JS |
16468 | |
16469 | if (found) | |
16470 | return seq_dmabuf; | |
4f774513 JS |
16471 | return NULL; |
16472 | } | |
16473 | ||
6669f9bb JS |
16474 | /** |
16475 | * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence | |
16476 | * @vport: pointer to a vitural port | |
16477 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16478 | * | |
16479 | * This function tries to abort from the partially assembed sequence, described | |
16480 | * by the information from basic abbort @dmabuf. It checks to see whether such | |
16481 | * partially assembled sequence held by the driver. If so, it shall free up all | |
16482 | * the frames from the partially assembled sequence. | |
16483 | * | |
16484 | * Return | |
16485 | * true -- if there is matching partially assembled sequence present and all | |
16486 | * the frames freed with the sequence; | |
16487 | * false -- if there is no matching partially assembled sequence present so | |
16488 | * nothing got aborted in the lower layer driver | |
16489 | **/ | |
16490 | static bool | |
16491 | lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport, | |
16492 | struct hbq_dmabuf *dmabuf) | |
16493 | { | |
16494 | struct fc_frame_header *new_hdr; | |
16495 | struct fc_frame_header *temp_hdr; | |
16496 | struct lpfc_dmabuf *d_buf, *n_buf, *h_buf; | |
16497 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
16498 | ||
16499 | /* Use the hdr_buf to find the sequence that matches this frame */ | |
16500 | INIT_LIST_HEAD(&dmabuf->dbuf.list); | |
16501 | INIT_LIST_HEAD(&dmabuf->hbuf.list); | |
16502 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
16503 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
16504 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
16505 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
16506 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
16507 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
16508 | continue; | |
16509 | /* found a pending sequence that matches this frame */ | |
16510 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16511 | break; | |
16512 | } | |
16513 | ||
16514 | /* Free up all the frames from the partially assembled sequence */ | |
16515 | if (seq_dmabuf) { | |
16516 | list_for_each_entry_safe(d_buf, n_buf, | |
16517 | &seq_dmabuf->dbuf.list, list) { | |
16518 | list_del_init(&d_buf->list); | |
16519 | lpfc_in_buf_free(vport->phba, d_buf); | |
16520 | } | |
16521 | return true; | |
16522 | } | |
16523 | return false; | |
16524 | } | |
16525 | ||
6dd9e31c JS |
16526 | /** |
16527 | * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp | |
16528 | * @vport: pointer to a vitural port | |
16529 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16530 | * | |
16531 | * This function tries to abort from the assembed sequence from upper level | |
16532 | * protocol, described by the information from basic abbort @dmabuf. It | |
16533 | * checks to see whether such pending context exists at upper level protocol. | |
16534 | * If so, it shall clean up the pending context. | |
16535 | * | |
16536 | * Return | |
16537 | * true -- if there is matching pending context of the sequence cleaned | |
16538 | * at ulp; | |
16539 | * false -- if there is no matching pending context of the sequence present | |
16540 | * at ulp. | |
16541 | **/ | |
16542 | static bool | |
16543 | lpfc_sli4_abort_ulp_seq(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
16544 | { | |
16545 | struct lpfc_hba *phba = vport->phba; | |
16546 | int handled; | |
16547 | ||
16548 | /* Accepting abort at ulp with SLI4 only */ | |
16549 | if (phba->sli_rev < LPFC_SLI_REV4) | |
16550 | return false; | |
16551 | ||
16552 | /* Register all caring upper level protocols to attend abort */ | |
16553 | handled = lpfc_ct_handle_unsol_abort(phba, dmabuf); | |
16554 | if (handled) | |
16555 | return true; | |
16556 | ||
16557 | return false; | |
16558 | } | |
16559 | ||
6669f9bb | 16560 | /** |
546fc854 | 16561 | * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler |
6669f9bb JS |
16562 | * @phba: Pointer to HBA context object. |
16563 | * @cmd_iocbq: pointer to the command iocbq structure. | |
16564 | * @rsp_iocbq: pointer to the response iocbq structure. | |
16565 | * | |
546fc854 | 16566 | * This function handles the sequence abort response iocb command complete |
6669f9bb JS |
16567 | * event. It properly releases the memory allocated to the sequence abort |
16568 | * accept iocb. | |
16569 | **/ | |
16570 | static void | |
546fc854 | 16571 | lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, |
6669f9bb JS |
16572 | struct lpfc_iocbq *cmd_iocbq, |
16573 | struct lpfc_iocbq *rsp_iocbq) | |
16574 | { | |
6dd9e31c JS |
16575 | struct lpfc_nodelist *ndlp; |
16576 | ||
16577 | if (cmd_iocbq) { | |
16578 | ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1; | |
16579 | lpfc_nlp_put(ndlp); | |
16580 | lpfc_nlp_not_used(ndlp); | |
6669f9bb | 16581 | lpfc_sli_release_iocbq(phba, cmd_iocbq); |
6dd9e31c | 16582 | } |
6b5151fd JS |
16583 | |
16584 | /* Failure means BLS ABORT RSP did not get delivered to remote node*/ | |
16585 | if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) | |
16586 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16587 | "3154 BLS ABORT RSP failed, data: x%x/x%x\n", | |
16588 | rsp_iocbq->iocb.ulpStatus, | |
16589 | rsp_iocbq->iocb.un.ulpWord[4]); | |
6669f9bb JS |
16590 | } |
16591 | ||
6d368e53 JS |
16592 | /** |
16593 | * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver. | |
16594 | * @phba: Pointer to HBA context object. | |
16595 | * @xri: xri id in transaction. | |
16596 | * | |
16597 | * This function validates the xri maps to the known range of XRIs allocated an | |
16598 | * used by the driver. | |
16599 | **/ | |
7851fe2c | 16600 | uint16_t |
6d368e53 JS |
16601 | lpfc_sli4_xri_inrange(struct lpfc_hba *phba, |
16602 | uint16_t xri) | |
16603 | { | |
a2fc4aef | 16604 | uint16_t i; |
6d368e53 JS |
16605 | |
16606 | for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) { | |
16607 | if (xri == phba->sli4_hba.xri_ids[i]) | |
16608 | return i; | |
16609 | } | |
16610 | return NO_XRI; | |
16611 | } | |
16612 | ||
6669f9bb | 16613 | /** |
546fc854 | 16614 | * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort |
6669f9bb JS |
16615 | * @phba: Pointer to HBA context object. |
16616 | * @fc_hdr: pointer to a FC frame header. | |
16617 | * | |
546fc854 | 16618 | * This function sends a basic response to a previous unsol sequence abort |
6669f9bb JS |
16619 | * event after aborting the sequence handling. |
16620 | **/ | |
86c67379 | 16621 | void |
6dd9e31c JS |
16622 | lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, |
16623 | struct fc_frame_header *fc_hdr, bool aborted) | |
6669f9bb | 16624 | { |
6dd9e31c | 16625 | struct lpfc_hba *phba = vport->phba; |
6669f9bb JS |
16626 | struct lpfc_iocbq *ctiocb = NULL; |
16627 | struct lpfc_nodelist *ndlp; | |
ee0f4fe1 | 16628 | uint16_t oxid, rxid, xri, lxri; |
5ffc266e | 16629 | uint32_t sid, fctl; |
6669f9bb | 16630 | IOCB_t *icmd; |
546fc854 | 16631 | int rc; |
6669f9bb JS |
16632 | |
16633 | if (!lpfc_is_link_up(phba)) | |
16634 | return; | |
16635 | ||
16636 | sid = sli4_sid_from_fc_hdr(fc_hdr); | |
16637 | oxid = be16_to_cpu(fc_hdr->fh_ox_id); | |
5ffc266e | 16638 | rxid = be16_to_cpu(fc_hdr->fh_rx_id); |
6669f9bb | 16639 | |
6dd9e31c | 16640 | ndlp = lpfc_findnode_did(vport, sid); |
6669f9bb | 16641 | if (!ndlp) { |
9d3d340d | 16642 | ndlp = lpfc_nlp_init(vport, sid); |
6dd9e31c JS |
16643 | if (!ndlp) { |
16644 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
16645 | "1268 Failed to allocate ndlp for " | |
16646 | "oxid:x%x SID:x%x\n", oxid, sid); | |
16647 | return; | |
16648 | } | |
6dd9e31c JS |
16649 | /* Put ndlp onto pport node list */ |
16650 | lpfc_enqueue_node(vport, ndlp); | |
16651 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
16652 | /* re-setup ndlp without removing from node list */ | |
16653 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
16654 | if (!ndlp) { | |
16655 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
16656 | "3275 Failed to active ndlp found " | |
16657 | "for oxid:x%x SID:x%x\n", oxid, sid); | |
16658 | return; | |
16659 | } | |
6669f9bb JS |
16660 | } |
16661 | ||
546fc854 | 16662 | /* Allocate buffer for rsp iocb */ |
6669f9bb JS |
16663 | ctiocb = lpfc_sli_get_iocbq(phba); |
16664 | if (!ctiocb) | |
16665 | return; | |
16666 | ||
5ffc266e JS |
16667 | /* Extract the F_CTL field from FC_HDR */ |
16668 | fctl = sli4_fctl_from_fc_hdr(fc_hdr); | |
16669 | ||
6669f9bb | 16670 | icmd = &ctiocb->iocb; |
6669f9bb | 16671 | icmd->un.xseq64.bdl.bdeSize = 0; |
5ffc266e | 16672 | icmd->un.xseq64.bdl.ulpIoTag32 = 0; |
6669f9bb JS |
16673 | icmd->un.xseq64.w5.hcsw.Dfctl = 0; |
16674 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC; | |
16675 | icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS; | |
16676 | ||
16677 | /* Fill in the rest of iocb fields */ | |
16678 | icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX; | |
16679 | icmd->ulpBdeCount = 0; | |
16680 | icmd->ulpLe = 1; | |
16681 | icmd->ulpClass = CLASS3; | |
6d368e53 | 16682 | icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; |
6dd9e31c | 16683 | ctiocb->context1 = lpfc_nlp_get(ndlp); |
6669f9bb | 16684 | |
6669f9bb JS |
16685 | ctiocb->iocb_cmpl = NULL; |
16686 | ctiocb->vport = phba->pport; | |
546fc854 | 16687 | ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; |
6d368e53 | 16688 | ctiocb->sli4_lxritag = NO_XRI; |
546fc854 JS |
16689 | ctiocb->sli4_xritag = NO_XRI; |
16690 | ||
ee0f4fe1 JS |
16691 | if (fctl & FC_FC_EX_CTX) |
16692 | /* Exchange responder sent the abort so we | |
16693 | * own the oxid. | |
16694 | */ | |
16695 | xri = oxid; | |
16696 | else | |
16697 | xri = rxid; | |
16698 | lxri = lpfc_sli4_xri_inrange(phba, xri); | |
16699 | if (lxri != NO_XRI) | |
16700 | lpfc_set_rrq_active(phba, ndlp, lxri, | |
16701 | (xri == oxid) ? rxid : oxid, 0); | |
6dd9e31c JS |
16702 | /* For BA_ABTS from exchange responder, if the logical xri with |
16703 | * the oxid maps to the FCP XRI range, the port no longer has | |
16704 | * that exchange context, send a BLS_RJT. Override the IOCB for | |
16705 | * a BA_RJT. | |
16706 | */ | |
16707 | if ((fctl & FC_FC_EX_CTX) && | |
895427bd | 16708 | (lxri > lpfc_sli4_get_iocb_cnt(phba))) { |
6dd9e31c JS |
16709 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
16710 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
16711 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
16712 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
16713 | } | |
16714 | ||
16715 | /* If BA_ABTS failed to abort a partially assembled receive sequence, | |
16716 | * the driver no longer has that exchange, send a BLS_RJT. Override | |
16717 | * the IOCB for a BA_RJT. | |
546fc854 | 16718 | */ |
6dd9e31c | 16719 | if (aborted == false) { |
546fc854 JS |
16720 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
16721 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
16722 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
16723 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
16724 | } | |
6669f9bb | 16725 | |
5ffc266e JS |
16726 | if (fctl & FC_FC_EX_CTX) { |
16727 | /* ABTS sent by responder to CT exchange, construction | |
16728 | * of BA_ACC will use OX_ID from ABTS for the XRI_TAG | |
16729 | * field and RX_ID from ABTS for RX_ID field. | |
16730 | */ | |
546fc854 | 16731 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); |
5ffc266e JS |
16732 | } else { |
16733 | /* ABTS sent by initiator to CT exchange, construction | |
16734 | * of BA_ACC will need to allocate a new XRI as for the | |
f09c3acc | 16735 | * XRI_TAG field. |
5ffc266e | 16736 | */ |
546fc854 | 16737 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); |
5ffc266e | 16738 | } |
f09c3acc | 16739 | bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); |
546fc854 | 16740 | bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); |
5ffc266e | 16741 | |
546fc854 | 16742 | /* Xmit CT abts response on exchange <xid> */ |
6dd9e31c JS |
16743 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
16744 | "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n", | |
16745 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state); | |
546fc854 JS |
16746 | |
16747 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); | |
16748 | if (rc == IOCB_ERROR) { | |
6dd9e31c JS |
16749 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
16750 | "2925 Failed to issue CT ABTS RSP x%x on " | |
16751 | "xri x%x, Data x%x\n", | |
16752 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, | |
16753 | phba->link_state); | |
16754 | lpfc_nlp_put(ndlp); | |
16755 | ctiocb->context1 = NULL; | |
546fc854 JS |
16756 | lpfc_sli_release_iocbq(phba, ctiocb); |
16757 | } | |
6669f9bb JS |
16758 | } |
16759 | ||
16760 | /** | |
16761 | * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event | |
16762 | * @vport: Pointer to the vport on which this sequence was received | |
16763 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16764 | * | |
16765 | * This function handles an SLI-4 unsolicited abort event. If the unsolicited | |
16766 | * receive sequence is only partially assembed by the driver, it shall abort | |
16767 | * the partially assembled frames for the sequence. Otherwise, if the | |
16768 | * unsolicited receive sequence has been completely assembled and passed to | |
16769 | * the Upper Layer Protocol (UPL), it then mark the per oxid status for the | |
16770 | * unsolicited sequence has been aborted. After that, it will issue a basic | |
16771 | * accept to accept the abort. | |
16772 | **/ | |
5d8b8167 | 16773 | static void |
6669f9bb JS |
16774 | lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport, |
16775 | struct hbq_dmabuf *dmabuf) | |
16776 | { | |
16777 | struct lpfc_hba *phba = vport->phba; | |
16778 | struct fc_frame_header fc_hdr; | |
5ffc266e | 16779 | uint32_t fctl; |
6dd9e31c | 16780 | bool aborted; |
6669f9bb | 16781 | |
6669f9bb JS |
16782 | /* Make a copy of fc_hdr before the dmabuf being released */ |
16783 | memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header)); | |
5ffc266e | 16784 | fctl = sli4_fctl_from_fc_hdr(&fc_hdr); |
6669f9bb | 16785 | |
5ffc266e | 16786 | if (fctl & FC_FC_EX_CTX) { |
6dd9e31c JS |
16787 | /* ABTS by responder to exchange, no cleanup needed */ |
16788 | aborted = true; | |
5ffc266e | 16789 | } else { |
6dd9e31c JS |
16790 | /* ABTS by initiator to exchange, need to do cleanup */ |
16791 | aborted = lpfc_sli4_abort_partial_seq(vport, dmabuf); | |
16792 | if (aborted == false) | |
16793 | aborted = lpfc_sli4_abort_ulp_seq(vport, dmabuf); | |
5ffc266e | 16794 | } |
6dd9e31c JS |
16795 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
16796 | ||
86c67379 JS |
16797 | if (phba->nvmet_support) { |
16798 | lpfc_nvmet_rcv_unsol_abort(vport, &fc_hdr); | |
16799 | return; | |
16800 | } | |
16801 | ||
6dd9e31c JS |
16802 | /* Respond with BA_ACC or BA_RJT accordingly */ |
16803 | lpfc_sli4_seq_abort_rsp(vport, &fc_hdr, aborted); | |
6669f9bb JS |
16804 | } |
16805 | ||
4f774513 JS |
16806 | /** |
16807 | * lpfc_seq_complete - Indicates if a sequence is complete | |
16808 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16809 | * | |
16810 | * This function checks the sequence, starting with the frame described by | |
16811 | * @dmabuf, to see if all the frames associated with this sequence are present. | |
16812 | * the frames associated with this sequence are linked to the @dmabuf using the | |
16813 | * dbuf list. This function looks for two major things. 1) That the first frame | |
16814 | * has a sequence count of zero. 2) There is a frame with last frame of sequence | |
16815 | * set. 3) That there are no holes in the sequence count. The function will | |
16816 | * return 1 when the sequence is complete, otherwise it will return 0. | |
16817 | **/ | |
16818 | static int | |
16819 | lpfc_seq_complete(struct hbq_dmabuf *dmabuf) | |
16820 | { | |
16821 | struct fc_frame_header *hdr; | |
16822 | struct lpfc_dmabuf *d_buf; | |
16823 | struct hbq_dmabuf *seq_dmabuf; | |
16824 | uint32_t fctl; | |
16825 | int seq_count = 0; | |
16826 | ||
16827 | hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
16828 | /* make sure first fame of sequence has a sequence count of zero */ | |
16829 | if (hdr->fh_seq_cnt != seq_count) | |
16830 | return 0; | |
16831 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
16832 | hdr->fh_f_ctl[1] << 8 | | |
16833 | hdr->fh_f_ctl[2]); | |
16834 | /* If last frame of sequence we can return success. */ | |
16835 | if (fctl & FC_FC_END_SEQ) | |
16836 | return 1; | |
16837 | list_for_each_entry(d_buf, &dmabuf->dbuf.list, list) { | |
16838 | seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
16839 | hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
16840 | /* If there is a hole in the sequence count then fail. */ | |
eeead811 | 16841 | if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt)) |
4f774513 JS |
16842 | return 0; |
16843 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
16844 | hdr->fh_f_ctl[1] << 8 | | |
16845 | hdr->fh_f_ctl[2]); | |
16846 | /* If last frame of sequence we can return success. */ | |
16847 | if (fctl & FC_FC_END_SEQ) | |
16848 | return 1; | |
16849 | } | |
16850 | return 0; | |
16851 | } | |
16852 | ||
16853 | /** | |
16854 | * lpfc_prep_seq - Prep sequence for ULP processing | |
16855 | * @vport: Pointer to the vport on which this sequence was received | |
16856 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16857 | * | |
16858 | * This function takes a sequence, described by a list of frames, and creates | |
16859 | * a list of iocbq structures to describe the sequence. This iocbq list will be | |
16860 | * used to issue to the generic unsolicited sequence handler. This routine | |
16861 | * returns a pointer to the first iocbq in the list. If the function is unable | |
16862 | * to allocate an iocbq then it throw out the received frames that were not | |
16863 | * able to be described and return a pointer to the first iocbq. If unable to | |
16864 | * allocate any iocbqs (including the first) this function will return NULL. | |
16865 | **/ | |
16866 | static struct lpfc_iocbq * | |
16867 | lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) | |
16868 | { | |
7851fe2c | 16869 | struct hbq_dmabuf *hbq_buf; |
4f774513 JS |
16870 | struct lpfc_dmabuf *d_buf, *n_buf; |
16871 | struct lpfc_iocbq *first_iocbq, *iocbq; | |
16872 | struct fc_frame_header *fc_hdr; | |
16873 | uint32_t sid; | |
7851fe2c | 16874 | uint32_t len, tot_len; |
eeead811 | 16875 | struct ulp_bde64 *pbde; |
4f774513 JS |
16876 | |
16877 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
16878 | /* remove from receive buffer list */ | |
16879 | list_del_init(&seq_dmabuf->hbuf.list); | |
45ed1190 | 16880 | lpfc_update_rcv_time_stamp(vport); |
4f774513 | 16881 | /* get the Remote Port's SID */ |
6669f9bb | 16882 | sid = sli4_sid_from_fc_hdr(fc_hdr); |
7851fe2c | 16883 | tot_len = 0; |
4f774513 JS |
16884 | /* Get an iocbq struct to fill in. */ |
16885 | first_iocbq = lpfc_sli_get_iocbq(vport->phba); | |
16886 | if (first_iocbq) { | |
16887 | /* Initialize the first IOCB. */ | |
8fa38513 | 16888 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; |
4f774513 | 16889 | first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; |
895427bd | 16890 | first_iocbq->vport = vport; |
939723a4 JS |
16891 | |
16892 | /* Check FC Header to see what TYPE of frame we are rcv'ing */ | |
16893 | if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) { | |
16894 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX; | |
16895 | first_iocbq->iocb.un.rcvels.parmRo = | |
16896 | sli4_did_from_fc_hdr(fc_hdr); | |
16897 | first_iocbq->iocb.ulpPU = PARM_NPIV_DID; | |
16898 | } else | |
16899 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; | |
7851fe2c JS |
16900 | first_iocbq->iocb.ulpContext = NO_XRI; |
16901 | first_iocbq->iocb.unsli3.rcvsli3.ox_id = | |
16902 | be16_to_cpu(fc_hdr->fh_ox_id); | |
16903 | /* iocbq is prepped for internal consumption. Physical vpi. */ | |
16904 | first_iocbq->iocb.unsli3.rcvsli3.vpi = | |
16905 | vport->phba->vpi_ids[vport->vpi]; | |
4f774513 | 16906 | /* put the first buffer into the first IOCBq */ |
48a5a664 JS |
16907 | tot_len = bf_get(lpfc_rcqe_length, |
16908 | &seq_dmabuf->cq_event.cqe.rcqe_cmpl); | |
16909 | ||
4f774513 JS |
16910 | first_iocbq->context2 = &seq_dmabuf->dbuf; |
16911 | first_iocbq->context3 = NULL; | |
16912 | first_iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
16913 | if (tot_len > LPFC_DATA_BUF_SIZE) |
16914 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 16915 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
16916 | else |
16917 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = tot_len; | |
16918 | ||
4f774513 | 16919 | first_iocbq->iocb.un.rcvels.remoteID = sid; |
48a5a664 | 16920 | |
7851fe2c | 16921 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; |
4f774513 JS |
16922 | } |
16923 | iocbq = first_iocbq; | |
16924 | /* | |
16925 | * Each IOCBq can have two Buffers assigned, so go through the list | |
16926 | * of buffers for this sequence and save two buffers in each IOCBq | |
16927 | */ | |
16928 | list_for_each_entry_safe(d_buf, n_buf, &seq_dmabuf->dbuf.list, list) { | |
16929 | if (!iocbq) { | |
16930 | lpfc_in_buf_free(vport->phba, d_buf); | |
16931 | continue; | |
16932 | } | |
16933 | if (!iocbq->context3) { | |
16934 | iocbq->context3 = d_buf; | |
16935 | iocbq->iocb.ulpBdeCount++; | |
7851fe2c JS |
16936 | /* We need to get the size out of the right CQE */ |
16937 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
16938 | len = bf_get(lpfc_rcqe_length, | |
16939 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
48a5a664 JS |
16940 | pbde = (struct ulp_bde64 *) |
16941 | &iocbq->iocb.unsli3.sli3Words[4]; | |
16942 | if (len > LPFC_DATA_BUF_SIZE) | |
16943 | pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; | |
16944 | else | |
16945 | pbde->tus.f.bdeSize = len; | |
16946 | ||
7851fe2c JS |
16947 | iocbq->iocb.unsli3.rcvsli3.acc_len += len; |
16948 | tot_len += len; | |
4f774513 JS |
16949 | } else { |
16950 | iocbq = lpfc_sli_get_iocbq(vport->phba); | |
16951 | if (!iocbq) { | |
16952 | if (first_iocbq) { | |
16953 | first_iocbq->iocb.ulpStatus = | |
16954 | IOSTAT_FCP_RSP_ERROR; | |
16955 | first_iocbq->iocb.un.ulpWord[4] = | |
16956 | IOERR_NO_RESOURCES; | |
16957 | } | |
16958 | lpfc_in_buf_free(vport->phba, d_buf); | |
16959 | continue; | |
16960 | } | |
48a5a664 JS |
16961 | /* We need to get the size out of the right CQE */ |
16962 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
16963 | len = bf_get(lpfc_rcqe_length, | |
16964 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
4f774513 JS |
16965 | iocbq->context2 = d_buf; |
16966 | iocbq->context3 = NULL; | |
16967 | iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
16968 | if (len > LPFC_DATA_BUF_SIZE) |
16969 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 16970 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
16971 | else |
16972 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = len; | |
7851fe2c | 16973 | |
7851fe2c JS |
16974 | tot_len += len; |
16975 | iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; | |
16976 | ||
4f774513 JS |
16977 | iocbq->iocb.un.rcvels.remoteID = sid; |
16978 | list_add_tail(&iocbq->list, &first_iocbq->list); | |
16979 | } | |
16980 | } | |
16981 | return first_iocbq; | |
16982 | } | |
16983 | ||
6669f9bb JS |
16984 | static void |
16985 | lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport, | |
16986 | struct hbq_dmabuf *seq_dmabuf) | |
16987 | { | |
16988 | struct fc_frame_header *fc_hdr; | |
16989 | struct lpfc_iocbq *iocbq, *curr_iocb, *next_iocb; | |
16990 | struct lpfc_hba *phba = vport->phba; | |
16991 | ||
16992 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
16993 | iocbq = lpfc_prep_seq(vport, seq_dmabuf); | |
16994 | if (!iocbq) { | |
16995 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16996 | "2707 Ring %d handler: Failed to allocate " | |
16997 | "iocb Rctl x%x Type x%x received\n", | |
16998 | LPFC_ELS_RING, | |
16999 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17000 | return; | |
17001 | } | |
17002 | if (!lpfc_complete_unsol_iocb(phba, | |
895427bd | 17003 | phba->sli4_hba.els_wq->pring, |
6669f9bb JS |
17004 | iocbq, fc_hdr->fh_r_ctl, |
17005 | fc_hdr->fh_type)) | |
6d368e53 | 17006 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6669f9bb JS |
17007 | "2540 Ring %d handler: unexpected Rctl " |
17008 | "x%x Type x%x received\n", | |
17009 | LPFC_ELS_RING, | |
17010 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17011 | ||
17012 | /* Free iocb created in lpfc_prep_seq */ | |
17013 | list_for_each_entry_safe(curr_iocb, next_iocb, | |
17014 | &iocbq->list, list) { | |
17015 | list_del_init(&curr_iocb->list); | |
17016 | lpfc_sli_release_iocbq(phba, curr_iocb); | |
17017 | } | |
17018 | lpfc_sli_release_iocbq(phba, iocbq); | |
17019 | } | |
17020 | ||
ae9e28f3 JS |
17021 | static void |
17022 | lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
17023 | struct lpfc_iocbq *rspiocb) | |
17024 | { | |
17025 | struct lpfc_dmabuf *pcmd = cmdiocb->context2; | |
17026 | ||
17027 | if (pcmd && pcmd->virt) | |
17028 | pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); | |
17029 | kfree(pcmd); | |
17030 | lpfc_sli_release_iocbq(phba, cmdiocb); | |
17031 | } | |
17032 | ||
17033 | static void | |
17034 | lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, | |
17035 | struct hbq_dmabuf *dmabuf) | |
17036 | { | |
17037 | struct fc_frame_header *fc_hdr; | |
17038 | struct lpfc_hba *phba = vport->phba; | |
17039 | struct lpfc_iocbq *iocbq = NULL; | |
17040 | union lpfc_wqe *wqe; | |
17041 | struct lpfc_dmabuf *pcmd = NULL; | |
17042 | uint32_t frame_len; | |
17043 | int rc; | |
17044 | ||
17045 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17046 | frame_len = bf_get(lpfc_rcqe_length, &dmabuf->cq_event.cqe.rcqe_cmpl); | |
17047 | ||
17048 | /* Send the received frame back */ | |
17049 | iocbq = lpfc_sli_get_iocbq(phba); | |
17050 | if (!iocbq) | |
17051 | goto exit; | |
17052 | ||
17053 | /* Allocate buffer for command payload */ | |
17054 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
17055 | if (pcmd) | |
17056 | pcmd->virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, | |
17057 | &pcmd->phys); | |
17058 | if (!pcmd || !pcmd->virt) | |
17059 | goto exit; | |
17060 | ||
17061 | INIT_LIST_HEAD(&pcmd->list); | |
17062 | ||
17063 | /* copyin the payload */ | |
17064 | memcpy(pcmd->virt, dmabuf->dbuf.virt, frame_len); | |
17065 | ||
17066 | /* fill in BDE's for command */ | |
17067 | iocbq->iocb.un.xseq64.bdl.addrHigh = putPaddrHigh(pcmd->phys); | |
17068 | iocbq->iocb.un.xseq64.bdl.addrLow = putPaddrLow(pcmd->phys); | |
17069 | iocbq->iocb.un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDE_64; | |
17070 | iocbq->iocb.un.xseq64.bdl.bdeSize = frame_len; | |
17071 | ||
17072 | iocbq->context2 = pcmd; | |
17073 | iocbq->vport = vport; | |
17074 | iocbq->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; | |
17075 | iocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
17076 | ||
17077 | /* | |
17078 | * Setup rest of the iocb as though it were a WQE | |
17079 | * Build the SEND_FRAME WQE | |
17080 | */ | |
17081 | wqe = (union lpfc_wqe *)&iocbq->iocb; | |
17082 | ||
17083 | wqe->send_frame.frame_len = frame_len; | |
17084 | wqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((uint32_t *)fc_hdr)); | |
17085 | wqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((uint32_t *)fc_hdr + 1)); | |
17086 | wqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((uint32_t *)fc_hdr + 2)); | |
17087 | wqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((uint32_t *)fc_hdr + 3)); | |
17088 | wqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((uint32_t *)fc_hdr + 4)); | |
17089 | wqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((uint32_t *)fc_hdr + 5)); | |
17090 | ||
17091 | iocbq->iocb.ulpCommand = CMD_SEND_FRAME; | |
17092 | iocbq->iocb.ulpLe = 1; | |
17093 | iocbq->iocb_cmpl = lpfc_sli4_mds_loopback_cmpl; | |
17094 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); | |
17095 | if (rc == IOCB_ERROR) | |
17096 | goto exit; | |
17097 | ||
17098 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17099 | return; | |
17100 | ||
17101 | exit: | |
17102 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
17103 | "2023 Unable to process MDS loopback frame\n"); | |
17104 | if (pcmd && pcmd->virt) | |
17105 | pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); | |
17106 | kfree(pcmd); | |
17107 | lpfc_sli_release_iocbq(phba, iocbq); | |
17108 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17109 | } | |
17110 | ||
4f774513 JS |
17111 | /** |
17112 | * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware | |
17113 | * @phba: Pointer to HBA context object. | |
17114 | * | |
17115 | * This function is called with no lock held. This function processes all | |
17116 | * the received buffers and gives it to upper layers when a received buffer | |
17117 | * indicates that it is the final frame in the sequence. The interrupt | |
895427bd | 17118 | * service routine processes received buffers at interrupt contexts. |
4f774513 JS |
17119 | * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the |
17120 | * appropriate receive function when the final frame in a sequence is received. | |
17121 | **/ | |
4d9ab994 JS |
17122 | void |
17123 | lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, | |
17124 | struct hbq_dmabuf *dmabuf) | |
4f774513 | 17125 | { |
4d9ab994 | 17126 | struct hbq_dmabuf *seq_dmabuf; |
4f774513 JS |
17127 | struct fc_frame_header *fc_hdr; |
17128 | struct lpfc_vport *vport; | |
17129 | uint32_t fcfi; | |
939723a4 | 17130 | uint32_t did; |
4f774513 | 17131 | |
4f774513 | 17132 | /* Process each received buffer */ |
4d9ab994 | 17133 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
2ea259ee | 17134 | |
4d9ab994 JS |
17135 | /* check to see if this a valid type of frame */ |
17136 | if (lpfc_fc_frame_check(phba, fc_hdr)) { | |
17137 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17138 | return; | |
17139 | } | |
2ea259ee | 17140 | |
7851fe2c JS |
17141 | if ((bf_get(lpfc_cqe_code, |
17142 | &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1)) | |
17143 | fcfi = bf_get(lpfc_rcqe_fcf_id_v1, | |
17144 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
17145 | else | |
17146 | fcfi = bf_get(lpfc_rcqe_fcf_id, | |
17147 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
939723a4 | 17148 | |
ae9e28f3 JS |
17149 | if (fc_hdr->fh_r_ctl == 0xF4 && fc_hdr->fh_type == 0xFF) { |
17150 | vport = phba->pport; | |
17151 | /* Handle MDS Loopback frames */ | |
17152 | lpfc_sli4_handle_mds_loopback(vport, dmabuf); | |
17153 | return; | |
17154 | } | |
17155 | ||
895427bd JS |
17156 | /* d_id this frame is directed to */ |
17157 | did = sli4_did_from_fc_hdr(fc_hdr); | |
17158 | ||
17159 | vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi, did); | |
939723a4 | 17160 | if (!vport) { |
4d9ab994 JS |
17161 | /* throw out the frame */ |
17162 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17163 | return; | |
17164 | } | |
939723a4 | 17165 | |
939723a4 JS |
17166 | /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */ |
17167 | if (!(vport->vpi_state & LPFC_VPI_REGISTERED) && | |
17168 | (did != Fabric_DID)) { | |
17169 | /* | |
17170 | * Throw out the frame if we are not pt2pt. | |
17171 | * The pt2pt protocol allows for discovery frames | |
17172 | * to be received without a registered VPI. | |
17173 | */ | |
17174 | if (!(vport->fc_flag & FC_PT2PT) || | |
17175 | (phba->link_state == LPFC_HBA_READY)) { | |
17176 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17177 | return; | |
17178 | } | |
17179 | } | |
17180 | ||
6669f9bb JS |
17181 | /* Handle the basic abort sequence (BA_ABTS) event */ |
17182 | if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
17183 | lpfc_sli4_handle_unsol_abort(vport, dmabuf); | |
17184 | return; | |
17185 | } | |
17186 | ||
4d9ab994 JS |
17187 | /* Link this frame */ |
17188 | seq_dmabuf = lpfc_fc_frame_add(vport, dmabuf); | |
17189 | if (!seq_dmabuf) { | |
17190 | /* unable to add frame to vport - throw it out */ | |
17191 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17192 | return; | |
17193 | } | |
17194 | /* If not last frame in sequence continue processing frames. */ | |
def9c7a9 | 17195 | if (!lpfc_seq_complete(seq_dmabuf)) |
4d9ab994 | 17196 | return; |
def9c7a9 | 17197 | |
6669f9bb JS |
17198 | /* Send the complete sequence to the upper layer protocol */ |
17199 | lpfc_sli4_send_seq_to_ulp(vport, seq_dmabuf); | |
4f774513 | 17200 | } |
6fb120a7 JS |
17201 | |
17202 | /** | |
17203 | * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port | |
17204 | * @phba: pointer to lpfc hba data structure. | |
17205 | * | |
17206 | * This routine is invoked to post rpi header templates to the | |
17207 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
17208 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
17209 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
17210 | * |
17211 | * This routine does not require any locks. It's usage is expected | |
17212 | * to be driver load or reset recovery when the driver is | |
17213 | * sequential. | |
17214 | * | |
17215 | * Return codes | |
af901ca1 | 17216 | * 0 - successful |
d439d286 | 17217 | * -EIO - The mailbox failed to complete successfully. |
6fb120a7 JS |
17218 | * When this error occurs, the driver is not guaranteed |
17219 | * to have any rpi regions posted to the device and | |
17220 | * must either attempt to repost the regions or take a | |
17221 | * fatal error. | |
17222 | **/ | |
17223 | int | |
17224 | lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba) | |
17225 | { | |
17226 | struct lpfc_rpi_hdr *rpi_page; | |
17227 | uint32_t rc = 0; | |
6d368e53 JS |
17228 | uint16_t lrpi = 0; |
17229 | ||
17230 | /* SLI4 ports that support extents do not require RPI headers. */ | |
17231 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
17232 | goto exit; | |
17233 | if (phba->sli4_hba.extents_in_use) | |
17234 | return -EIO; | |
6fb120a7 | 17235 | |
6fb120a7 | 17236 | list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) { |
6d368e53 JS |
17237 | /* |
17238 | * Assign the rpi headers a physical rpi only if the driver | |
17239 | * has not initialized those resources. A port reset only | |
17240 | * needs the headers posted. | |
17241 | */ | |
17242 | if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) != | |
17243 | LPFC_RPI_RSRC_RDY) | |
17244 | rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
17245 | ||
6fb120a7 JS |
17246 | rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page); |
17247 | if (rc != MBX_SUCCESS) { | |
17248 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17249 | "2008 Error %d posting all rpi " | |
17250 | "headers\n", rc); | |
17251 | rc = -EIO; | |
17252 | break; | |
17253 | } | |
17254 | } | |
17255 | ||
6d368e53 JS |
17256 | exit: |
17257 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
17258 | LPFC_RPI_RSRC_RDY); | |
6fb120a7 JS |
17259 | return rc; |
17260 | } | |
17261 | ||
17262 | /** | |
17263 | * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port | |
17264 | * @phba: pointer to lpfc hba data structure. | |
17265 | * @rpi_page: pointer to the rpi memory region. | |
17266 | * | |
17267 | * This routine is invoked to post a single rpi header to the | |
17268 | * HBA consistent with the SLI-4 interface spec. This memory region | |
17269 | * maps up to 64 rpi context regions. | |
17270 | * | |
17271 | * Return codes | |
af901ca1 | 17272 | * 0 - successful |
d439d286 JS |
17273 | * -ENOMEM - No available memory |
17274 | * -EIO - The mailbox failed to complete successfully. | |
6fb120a7 JS |
17275 | **/ |
17276 | int | |
17277 | lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) | |
17278 | { | |
17279 | LPFC_MBOXQ_t *mboxq; | |
17280 | struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl; | |
17281 | uint32_t rc = 0; | |
6fb120a7 JS |
17282 | uint32_t shdr_status, shdr_add_status; |
17283 | union lpfc_sli4_cfg_shdr *shdr; | |
17284 | ||
6d368e53 JS |
17285 | /* SLI4 ports that support extents do not require RPI headers. */ |
17286 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
17287 | return rc; | |
17288 | if (phba->sli4_hba.extents_in_use) | |
17289 | return -EIO; | |
17290 | ||
6fb120a7 JS |
17291 | /* The port is notified of the header region via a mailbox command. */ |
17292 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17293 | if (!mboxq) { | |
17294 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17295 | "2001 Unable to allocate memory for issuing " | |
17296 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
17297 | return -ENOMEM; | |
17298 | } | |
17299 | ||
17300 | /* Post all rpi memory regions to the port. */ | |
17301 | hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl; | |
6fb120a7 JS |
17302 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, |
17303 | LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE, | |
17304 | sizeof(struct lpfc_mbx_post_hdr_tmpl) - | |
fedd3b7b JS |
17305 | sizeof(struct lpfc_sli4_cfg_mhdr), |
17306 | LPFC_SLI4_MBX_EMBED); | |
6d368e53 JS |
17307 | |
17308 | ||
17309 | /* Post the physical rpi to the port for this rpi header. */ | |
6fb120a7 JS |
17310 | bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl, |
17311 | rpi_page->start_rpi); | |
6d368e53 JS |
17312 | bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt, |
17313 | hdr_tmpl, rpi_page->page_count); | |
17314 | ||
6fb120a7 JS |
17315 | hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys); |
17316 | hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys); | |
f1126688 | 17317 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
6fb120a7 JS |
17318 | shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr; |
17319 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
17320 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
17321 | if (rc != MBX_TIMEOUT) | |
17322 | mempool_free(mboxq, phba->mbox_mem_pool); | |
17323 | if (shdr_status || shdr_add_status || rc) { | |
17324 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17325 | "2514 POST_RPI_HDR mailbox failed with " | |
17326 | "status x%x add_status x%x, mbx status x%x\n", | |
17327 | shdr_status, shdr_add_status, rc); | |
17328 | rc = -ENXIO; | |
845d9e8d JS |
17329 | } else { |
17330 | /* | |
17331 | * The next_rpi stores the next logical module-64 rpi value used | |
17332 | * to post physical rpis in subsequent rpi postings. | |
17333 | */ | |
17334 | spin_lock_irq(&phba->hbalock); | |
17335 | phba->sli4_hba.next_rpi = rpi_page->next_rpi; | |
17336 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
17337 | } |
17338 | return rc; | |
17339 | } | |
17340 | ||
17341 | /** | |
17342 | * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range | |
17343 | * @phba: pointer to lpfc hba data structure. | |
17344 | * | |
17345 | * This routine is invoked to post rpi header templates to the | |
17346 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
17347 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
17348 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
17349 | * |
17350 | * Returns | |
af901ca1 | 17351 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful |
6fb120a7 JS |
17352 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. |
17353 | **/ | |
17354 | int | |
17355 | lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) | |
17356 | { | |
6d368e53 JS |
17357 | unsigned long rpi; |
17358 | uint16_t max_rpi, rpi_limit; | |
17359 | uint16_t rpi_remaining, lrpi = 0; | |
6fb120a7 | 17360 | struct lpfc_rpi_hdr *rpi_hdr; |
4902b381 | 17361 | unsigned long iflag; |
6fb120a7 | 17362 | |
6fb120a7 | 17363 | /* |
6d368e53 JS |
17364 | * Fetch the next logical rpi. Because this index is logical, |
17365 | * the driver starts at 0 each time. | |
6fb120a7 | 17366 | */ |
4902b381 | 17367 | spin_lock_irqsave(&phba->hbalock, iflag); |
be6bb941 JS |
17368 | max_rpi = phba->sli4_hba.max_cfg_param.max_rpi; |
17369 | rpi_limit = phba->sli4_hba.next_rpi; | |
17370 | ||
6d368e53 JS |
17371 | rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0); |
17372 | if (rpi >= rpi_limit) | |
6fb120a7 JS |
17373 | rpi = LPFC_RPI_ALLOC_ERROR; |
17374 | else { | |
17375 | set_bit(rpi, phba->sli4_hba.rpi_bmask); | |
17376 | phba->sli4_hba.max_cfg_param.rpi_used++; | |
17377 | phba->sli4_hba.rpi_count++; | |
17378 | } | |
be6bb941 JS |
17379 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
17380 | "0001 rpi:%x max:%x lim:%x\n", | |
17381 | (int) rpi, max_rpi, rpi_limit); | |
6fb120a7 JS |
17382 | |
17383 | /* | |
17384 | * Don't try to allocate more rpi header regions if the device limit | |
6d368e53 | 17385 | * has been exhausted. |
6fb120a7 JS |
17386 | */ |
17387 | if ((rpi == LPFC_RPI_ALLOC_ERROR) && | |
17388 | (phba->sli4_hba.rpi_count >= max_rpi)) { | |
4902b381 | 17389 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
17390 | return rpi; |
17391 | } | |
17392 | ||
6d368e53 JS |
17393 | /* |
17394 | * RPI header postings are not required for SLI4 ports capable of | |
17395 | * extents. | |
17396 | */ | |
17397 | if (!phba->sli4_hba.rpi_hdrs_in_use) { | |
4902b381 | 17398 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6d368e53 JS |
17399 | return rpi; |
17400 | } | |
17401 | ||
6fb120a7 JS |
17402 | /* |
17403 | * If the driver is running low on rpi resources, allocate another | |
17404 | * page now. Note that the next_rpi value is used because | |
17405 | * it represents how many are actually in use whereas max_rpi notes | |
17406 | * how many are supported max by the device. | |
17407 | */ | |
6d368e53 | 17408 | rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count; |
4902b381 | 17409 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
17410 | if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) { |
17411 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
17412 | if (!rpi_hdr) { | |
17413 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17414 | "2002 Error Could not grow rpi " | |
17415 | "count\n"); | |
17416 | } else { | |
6d368e53 JS |
17417 | lrpi = rpi_hdr->start_rpi; |
17418 | rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
6fb120a7 JS |
17419 | lpfc_sli4_post_rpi_hdr(phba, rpi_hdr); |
17420 | } | |
17421 | } | |
17422 | ||
17423 | return rpi; | |
17424 | } | |
17425 | ||
d7c47992 JS |
17426 | /** |
17427 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
17428 | * @phba: pointer to lpfc hba data structure. | |
17429 | * | |
17430 | * This routine is invoked to release an rpi to the pool of | |
17431 | * available rpis maintained by the driver. | |
17432 | **/ | |
5d8b8167 | 17433 | static void |
d7c47992 JS |
17434 | __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) |
17435 | { | |
17436 | if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) { | |
17437 | phba->sli4_hba.rpi_count--; | |
17438 | phba->sli4_hba.max_cfg_param.rpi_used--; | |
17439 | } | |
17440 | } | |
17441 | ||
6fb120a7 JS |
17442 | /** |
17443 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
17444 | * @phba: pointer to lpfc hba data structure. | |
17445 | * | |
17446 | * This routine is invoked to release an rpi to the pool of | |
17447 | * available rpis maintained by the driver. | |
17448 | **/ | |
17449 | void | |
17450 | lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) | |
17451 | { | |
17452 | spin_lock_irq(&phba->hbalock); | |
d7c47992 | 17453 | __lpfc_sli4_free_rpi(phba, rpi); |
6fb120a7 JS |
17454 | spin_unlock_irq(&phba->hbalock); |
17455 | } | |
17456 | ||
17457 | /** | |
17458 | * lpfc_sli4_remove_rpis - Remove the rpi bitmask region | |
17459 | * @phba: pointer to lpfc hba data structure. | |
17460 | * | |
17461 | * This routine is invoked to remove the memory region that | |
17462 | * provided rpi via a bitmask. | |
17463 | **/ | |
17464 | void | |
17465 | lpfc_sli4_remove_rpis(struct lpfc_hba *phba) | |
17466 | { | |
17467 | kfree(phba->sli4_hba.rpi_bmask); | |
6d368e53 JS |
17468 | kfree(phba->sli4_hba.rpi_ids); |
17469 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6fb120a7 JS |
17470 | } |
17471 | ||
17472 | /** | |
17473 | * lpfc_sli4_resume_rpi - Remove the rpi bitmask region | |
17474 | * @phba: pointer to lpfc hba data structure. | |
17475 | * | |
17476 | * This routine is invoked to remove the memory region that | |
17477 | * provided rpi via a bitmask. | |
17478 | **/ | |
17479 | int | |
6b5151fd JS |
17480 | lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, |
17481 | void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) | |
6fb120a7 JS |
17482 | { |
17483 | LPFC_MBOXQ_t *mboxq; | |
17484 | struct lpfc_hba *phba = ndlp->phba; | |
17485 | int rc; | |
17486 | ||
17487 | /* The port is notified of the header region via a mailbox command. */ | |
17488 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17489 | if (!mboxq) | |
17490 | return -ENOMEM; | |
17491 | ||
17492 | /* Post all rpi memory regions to the port. */ | |
17493 | lpfc_resume_rpi(mboxq, ndlp); | |
6b5151fd JS |
17494 | if (cmpl) { |
17495 | mboxq->mbox_cmpl = cmpl; | |
17496 | mboxq->context1 = arg; | |
17497 | mboxq->context2 = ndlp; | |
72859909 JS |
17498 | } else |
17499 | mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6b5151fd | 17500 | mboxq->vport = ndlp->vport; |
6fb120a7 JS |
17501 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
17502 | if (rc == MBX_NOT_FINISHED) { | |
17503 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17504 | "2010 Resume RPI Mailbox failed " | |
17505 | "status %d, mbxStatus x%x\n", rc, | |
17506 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
17507 | mempool_free(mboxq, phba->mbox_mem_pool); | |
17508 | return -EIO; | |
17509 | } | |
17510 | return 0; | |
17511 | } | |
17512 | ||
17513 | /** | |
17514 | * lpfc_sli4_init_vpi - Initialize a vpi with the port | |
76a95d75 | 17515 | * @vport: Pointer to the vport for which the vpi is being initialized |
6fb120a7 | 17516 | * |
76a95d75 | 17517 | * This routine is invoked to activate a vpi with the port. |
6fb120a7 JS |
17518 | * |
17519 | * Returns: | |
17520 | * 0 success | |
17521 | * -Evalue otherwise | |
17522 | **/ | |
17523 | int | |
76a95d75 | 17524 | lpfc_sli4_init_vpi(struct lpfc_vport *vport) |
6fb120a7 JS |
17525 | { |
17526 | LPFC_MBOXQ_t *mboxq; | |
17527 | int rc = 0; | |
6a9c52cf | 17528 | int retval = MBX_SUCCESS; |
6fb120a7 | 17529 | uint32_t mbox_tmo; |
76a95d75 | 17530 | struct lpfc_hba *phba = vport->phba; |
6fb120a7 JS |
17531 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
17532 | if (!mboxq) | |
17533 | return -ENOMEM; | |
76a95d75 | 17534 | lpfc_init_vpi(phba, mboxq, vport->vpi); |
a183a15f | 17535 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
6fb120a7 | 17536 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
6fb120a7 | 17537 | if (rc != MBX_SUCCESS) { |
76a95d75 | 17538 | lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, |
6fb120a7 JS |
17539 | "2022 INIT VPI Mailbox failed " |
17540 | "status %d, mbxStatus x%x\n", rc, | |
17541 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
6a9c52cf | 17542 | retval = -EIO; |
6fb120a7 | 17543 | } |
6a9c52cf | 17544 | if (rc != MBX_TIMEOUT) |
76a95d75 | 17545 | mempool_free(mboxq, vport->phba->mbox_mem_pool); |
6a9c52cf JS |
17546 | |
17547 | return retval; | |
6fb120a7 JS |
17548 | } |
17549 | ||
17550 | /** | |
17551 | * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler. | |
17552 | * @phba: pointer to lpfc hba data structure. | |
17553 | * @mboxq: Pointer to mailbox object. | |
17554 | * | |
17555 | * This routine is invoked to manually add a single FCF record. The caller | |
17556 | * must pass a completely initialized FCF_Record. This routine takes | |
17557 | * care of the nonembedded mailbox operations. | |
17558 | **/ | |
17559 | static void | |
17560 | lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
17561 | { | |
17562 | void *virt_addr; | |
17563 | union lpfc_sli4_cfg_shdr *shdr; | |
17564 | uint32_t shdr_status, shdr_add_status; | |
17565 | ||
17566 | virt_addr = mboxq->sge_array->addr[0]; | |
17567 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
17568 | shdr = (union lpfc_sli4_cfg_shdr *) virt_addr; | |
17569 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
17570 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
17571 | ||
17572 | if ((shdr_status || shdr_add_status) && | |
17573 | (shdr_status != STATUS_FCF_IN_USE)) | |
17574 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17575 | "2558 ADD_FCF_RECORD mailbox failed with " | |
17576 | "status x%x add_status x%x\n", | |
17577 | shdr_status, shdr_add_status); | |
17578 | ||
17579 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17580 | } | |
17581 | ||
17582 | /** | |
17583 | * lpfc_sli4_add_fcf_record - Manually add an FCF Record. | |
17584 | * @phba: pointer to lpfc hba data structure. | |
17585 | * @fcf_record: pointer to the initialized fcf record to add. | |
17586 | * | |
17587 | * This routine is invoked to manually add a single FCF record. The caller | |
17588 | * must pass a completely initialized FCF_Record. This routine takes | |
17589 | * care of the nonembedded mailbox operations. | |
17590 | **/ | |
17591 | int | |
17592 | lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record) | |
17593 | { | |
17594 | int rc = 0; | |
17595 | LPFC_MBOXQ_t *mboxq; | |
17596 | uint8_t *bytep; | |
17597 | void *virt_addr; | |
6fb120a7 JS |
17598 | struct lpfc_mbx_sge sge; |
17599 | uint32_t alloc_len, req_len; | |
17600 | uint32_t fcfindex; | |
17601 | ||
17602 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17603 | if (!mboxq) { | |
17604 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17605 | "2009 Failed to allocate mbox for ADD_FCF cmd\n"); | |
17606 | return -ENOMEM; | |
17607 | } | |
17608 | ||
17609 | req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) + | |
17610 | sizeof(uint32_t); | |
17611 | ||
17612 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
17613 | alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
17614 | LPFC_MBOX_OPCODE_FCOE_ADD_FCF, | |
17615 | req_len, LPFC_SLI4_MBX_NEMBED); | |
17616 | if (alloc_len < req_len) { | |
17617 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17618 | "2523 Allocated DMA memory size (x%x) is " | |
17619 | "less than the requested DMA memory " | |
17620 | "size (x%x)\n", alloc_len, req_len); | |
17621 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17622 | return -ENOMEM; | |
17623 | } | |
17624 | ||
17625 | /* | |
17626 | * Get the first SGE entry from the non-embedded DMA memory. This | |
17627 | * routine only uses a single SGE. | |
17628 | */ | |
17629 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
6fb120a7 JS |
17630 | virt_addr = mboxq->sge_array->addr[0]; |
17631 | /* | |
17632 | * Configure the FCF record for FCFI 0. This is the driver's | |
17633 | * hardcoded default and gets used in nonFIP mode. | |
17634 | */ | |
17635 | fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record); | |
17636 | bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); | |
17637 | lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t)); | |
17638 | ||
17639 | /* | |
17640 | * Copy the fcf_index and the FCF Record Data. The data starts after | |
17641 | * the FCoE header plus word10. The data copy needs to be endian | |
17642 | * correct. | |
17643 | */ | |
17644 | bytep += sizeof(uint32_t); | |
17645 | lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record)); | |
17646 | mboxq->vport = phba->pport; | |
17647 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record; | |
17648 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
17649 | if (rc == MBX_NOT_FINISHED) { | |
17650 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17651 | "2515 ADD_FCF_RECORD mailbox failed with " | |
17652 | "status 0x%x\n", rc); | |
17653 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17654 | rc = -EIO; | |
17655 | } else | |
17656 | rc = 0; | |
17657 | ||
17658 | return rc; | |
17659 | } | |
17660 | ||
17661 | /** | |
17662 | * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record. | |
17663 | * @phba: pointer to lpfc hba data structure. | |
17664 | * @fcf_record: pointer to the fcf record to write the default data. | |
17665 | * @fcf_index: FCF table entry index. | |
17666 | * | |
17667 | * This routine is invoked to build the driver's default FCF record. The | |
17668 | * values used are hardcoded. This routine handles memory initialization. | |
17669 | * | |
17670 | **/ | |
17671 | void | |
17672 | lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba, | |
17673 | struct fcf_record *fcf_record, | |
17674 | uint16_t fcf_index) | |
17675 | { | |
17676 | memset(fcf_record, 0, sizeof(struct fcf_record)); | |
17677 | fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE; | |
17678 | fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER; | |
17679 | fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY; | |
17680 | bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]); | |
17681 | bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]); | |
17682 | bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]); | |
17683 | bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3); | |
17684 | bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4); | |
17685 | bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5); | |
17686 | bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]); | |
17687 | bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]); | |
17688 | bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]); | |
17689 | bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1); | |
0c287589 | 17690 | bf_set(lpfc_fcf_record_fcf_avail, fcf_record, 1); |
6fb120a7 JS |
17691 | bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index); |
17692 | bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record, | |
17693 | LPFC_FCF_FPMA | LPFC_FCF_SPMA); | |
17694 | /* Set the VLAN bit map */ | |
17695 | if (phba->valid_vlan) { | |
17696 | fcf_record->vlan_bitmap[phba->vlan_id / 8] | |
17697 | = 1 << (phba->vlan_id % 8); | |
17698 | } | |
17699 | } | |
17700 | ||
17701 | /** | |
0c9ab6f5 | 17702 | * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan. |
6fb120a7 JS |
17703 | * @phba: pointer to lpfc hba data structure. |
17704 | * @fcf_index: FCF table entry offset. | |
17705 | * | |
0c9ab6f5 JS |
17706 | * This routine is invoked to scan the entire FCF table by reading FCF |
17707 | * record and processing it one at a time starting from the @fcf_index | |
17708 | * for initial FCF discovery or fast FCF failover rediscovery. | |
17709 | * | |
25985edc | 17710 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 | 17711 | * otherwise. |
6fb120a7 JS |
17712 | **/ |
17713 | int | |
0c9ab6f5 | 17714 | lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) |
6fb120a7 JS |
17715 | { |
17716 | int rc = 0, error; | |
17717 | LPFC_MBOXQ_t *mboxq; | |
6fb120a7 | 17718 | |
32b9793f | 17719 | phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag; |
80c17849 | 17720 | phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag; |
6fb120a7 JS |
17721 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
17722 | if (!mboxq) { | |
17723 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17724 | "2000 Failed to allocate mbox for " | |
17725 | "READ_FCF cmd\n"); | |
4d9ab994 | 17726 | error = -ENOMEM; |
0c9ab6f5 | 17727 | goto fail_fcf_scan; |
6fb120a7 | 17728 | } |
ecfd03c6 | 17729 | /* Construct the read FCF record mailbox command */ |
0c9ab6f5 | 17730 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); |
ecfd03c6 JS |
17731 | if (rc) { |
17732 | error = -EINVAL; | |
0c9ab6f5 | 17733 | goto fail_fcf_scan; |
6fb120a7 | 17734 | } |
ecfd03c6 | 17735 | /* Issue the mailbox command asynchronously */ |
6fb120a7 | 17736 | mboxq->vport = phba->pport; |
0c9ab6f5 | 17737 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; |
a93ff37a JS |
17738 | |
17739 | spin_lock_irq(&phba->hbalock); | |
17740 | phba->hba_flag |= FCF_TS_INPROG; | |
17741 | spin_unlock_irq(&phba->hbalock); | |
17742 | ||
6fb120a7 | 17743 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
ecfd03c6 | 17744 | if (rc == MBX_NOT_FINISHED) |
6fb120a7 | 17745 | error = -EIO; |
ecfd03c6 | 17746 | else { |
38b92ef8 JS |
17747 | /* Reset eligible FCF count for new scan */ |
17748 | if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) | |
999d813f | 17749 | phba->fcf.eligible_fcf_cnt = 0; |
6fb120a7 | 17750 | error = 0; |
32b9793f | 17751 | } |
0c9ab6f5 | 17752 | fail_fcf_scan: |
4d9ab994 JS |
17753 | if (error) { |
17754 | if (mboxq) | |
17755 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
a93ff37a | 17756 | /* FCF scan failed, clear FCF_TS_INPROG flag */ |
4d9ab994 | 17757 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 17758 | phba->hba_flag &= ~FCF_TS_INPROG; |
4d9ab994 JS |
17759 | spin_unlock_irq(&phba->hbalock); |
17760 | } | |
6fb120a7 JS |
17761 | return error; |
17762 | } | |
a0c87cbd | 17763 | |
0c9ab6f5 | 17764 | /** |
a93ff37a | 17765 | * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf. |
0c9ab6f5 JS |
17766 | * @phba: pointer to lpfc hba data structure. |
17767 | * @fcf_index: FCF table entry offset. | |
17768 | * | |
17769 | * This routine is invoked to read an FCF record indicated by @fcf_index | |
a93ff37a | 17770 | * and to use it for FLOGI roundrobin FCF failover. |
0c9ab6f5 | 17771 | * |
25985edc | 17772 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
17773 | * otherwise. |
17774 | **/ | |
17775 | int | |
17776 | lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
17777 | { | |
17778 | int rc = 0, error; | |
17779 | LPFC_MBOXQ_t *mboxq; | |
17780 | ||
17781 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17782 | if (!mboxq) { | |
17783 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
17784 | "2763 Failed to allocate mbox for " | |
17785 | "READ_FCF cmd\n"); | |
17786 | error = -ENOMEM; | |
17787 | goto fail_fcf_read; | |
17788 | } | |
17789 | /* Construct the read FCF record mailbox command */ | |
17790 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
17791 | if (rc) { | |
17792 | error = -EINVAL; | |
17793 | goto fail_fcf_read; | |
17794 | } | |
17795 | /* Issue the mailbox command asynchronously */ | |
17796 | mboxq->vport = phba->pport; | |
17797 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec; | |
17798 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
17799 | if (rc == MBX_NOT_FINISHED) | |
17800 | error = -EIO; | |
17801 | else | |
17802 | error = 0; | |
17803 | ||
17804 | fail_fcf_read: | |
17805 | if (error && mboxq) | |
17806 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17807 | return error; | |
17808 | } | |
17809 | ||
17810 | /** | |
17811 | * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask. | |
17812 | * @phba: pointer to lpfc hba data structure. | |
17813 | * @fcf_index: FCF table entry offset. | |
17814 | * | |
17815 | * This routine is invoked to read an FCF record indicated by @fcf_index to | |
a93ff37a | 17816 | * determine whether it's eligible for FLOGI roundrobin failover list. |
0c9ab6f5 | 17817 | * |
25985edc | 17818 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
17819 | * otherwise. |
17820 | **/ | |
17821 | int | |
17822 | lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
17823 | { | |
17824 | int rc = 0, error; | |
17825 | LPFC_MBOXQ_t *mboxq; | |
17826 | ||
17827 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17828 | if (!mboxq) { | |
17829 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
17830 | "2758 Failed to allocate mbox for " | |
17831 | "READ_FCF cmd\n"); | |
17832 | error = -ENOMEM; | |
17833 | goto fail_fcf_read; | |
17834 | } | |
17835 | /* Construct the read FCF record mailbox command */ | |
17836 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
17837 | if (rc) { | |
17838 | error = -EINVAL; | |
17839 | goto fail_fcf_read; | |
17840 | } | |
17841 | /* Issue the mailbox command asynchronously */ | |
17842 | mboxq->vport = phba->pport; | |
17843 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec; | |
17844 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
17845 | if (rc == MBX_NOT_FINISHED) | |
17846 | error = -EIO; | |
17847 | else | |
17848 | error = 0; | |
17849 | ||
17850 | fail_fcf_read: | |
17851 | if (error && mboxq) | |
17852 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17853 | return error; | |
17854 | } | |
17855 | ||
7d791df7 | 17856 | /** |
f5cb5304 | 17857 | * lpfc_check_next_fcf_pri_level |
7d791df7 JS |
17858 | * phba pointer to the lpfc_hba struct for this port. |
17859 | * This routine is called from the lpfc_sli4_fcf_rr_next_index_get | |
17860 | * routine when the rr_bmask is empty. The FCF indecies are put into the | |
17861 | * rr_bmask based on their priority level. Starting from the highest priority | |
17862 | * to the lowest. The most likely FCF candidate will be in the highest | |
17863 | * priority group. When this routine is called it searches the fcf_pri list for | |
17864 | * next lowest priority group and repopulates the rr_bmask with only those | |
17865 | * fcf_indexes. | |
17866 | * returns: | |
17867 | * 1=success 0=failure | |
17868 | **/ | |
5d8b8167 | 17869 | static int |
7d791df7 JS |
17870 | lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba) |
17871 | { | |
17872 | uint16_t next_fcf_pri; | |
17873 | uint16_t last_index; | |
17874 | struct lpfc_fcf_pri *fcf_pri; | |
17875 | int rc; | |
17876 | int ret = 0; | |
17877 | ||
17878 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
17879 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
17880 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
17881 | "3060 Last IDX %d\n", last_index); | |
2562669c JS |
17882 | |
17883 | /* Verify the priority list has 2 or more entries */ | |
17884 | spin_lock_irq(&phba->hbalock); | |
17885 | if (list_empty(&phba->fcf.fcf_pri_list) || | |
17886 | list_is_singular(&phba->fcf.fcf_pri_list)) { | |
17887 | spin_unlock_irq(&phba->hbalock); | |
7d791df7 JS |
17888 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
17889 | "3061 Last IDX %d\n", last_index); | |
17890 | return 0; /* Empty rr list */ | |
17891 | } | |
2562669c JS |
17892 | spin_unlock_irq(&phba->hbalock); |
17893 | ||
7d791df7 JS |
17894 | next_fcf_pri = 0; |
17895 | /* | |
17896 | * Clear the rr_bmask and set all of the bits that are at this | |
17897 | * priority. | |
17898 | */ | |
17899 | memset(phba->fcf.fcf_rr_bmask, 0, | |
17900 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
17901 | spin_lock_irq(&phba->hbalock); | |
17902 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
17903 | if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED) | |
17904 | continue; | |
17905 | /* | |
17906 | * the 1st priority that has not FLOGI failed | |
17907 | * will be the highest. | |
17908 | */ | |
17909 | if (!next_fcf_pri) | |
17910 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
17911 | spin_unlock_irq(&phba->hbalock); | |
17912 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
17913 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
17914 | fcf_pri->fcf_rec.fcf_index); | |
17915 | if (rc) | |
17916 | return 0; | |
17917 | } | |
17918 | spin_lock_irq(&phba->hbalock); | |
17919 | } | |
17920 | /* | |
17921 | * if next_fcf_pri was not set above and the list is not empty then | |
17922 | * we have failed flogis on all of them. So reset flogi failed | |
4907cb7b | 17923 | * and start at the beginning. |
7d791df7 JS |
17924 | */ |
17925 | if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) { | |
17926 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
17927 | fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED; | |
17928 | /* | |
17929 | * the 1st priority that has not FLOGI failed | |
17930 | * will be the highest. | |
17931 | */ | |
17932 | if (!next_fcf_pri) | |
17933 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
17934 | spin_unlock_irq(&phba->hbalock); | |
17935 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
17936 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
17937 | fcf_pri->fcf_rec.fcf_index); | |
17938 | if (rc) | |
17939 | return 0; | |
17940 | } | |
17941 | spin_lock_irq(&phba->hbalock); | |
17942 | } | |
17943 | } else | |
17944 | ret = 1; | |
17945 | spin_unlock_irq(&phba->hbalock); | |
17946 | ||
17947 | return ret; | |
17948 | } | |
0c9ab6f5 JS |
17949 | /** |
17950 | * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index | |
17951 | * @phba: pointer to lpfc hba data structure. | |
17952 | * | |
17953 | * This routine is to get the next eligible FCF record index in a round | |
17954 | * robin fashion. If the next eligible FCF record index equals to the | |
a93ff37a | 17955 | * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) |
0c9ab6f5 JS |
17956 | * shall be returned, otherwise, the next eligible FCF record's index |
17957 | * shall be returned. | |
17958 | **/ | |
17959 | uint16_t | |
17960 | lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) | |
17961 | { | |
17962 | uint16_t next_fcf_index; | |
17963 | ||
421c6622 | 17964 | initial_priority: |
3804dc84 | 17965 | /* Search start from next bit of currently registered FCF index */ |
421c6622 JS |
17966 | next_fcf_index = phba->fcf.current_rec.fcf_indx; |
17967 | ||
7d791df7 | 17968 | next_priority: |
421c6622 JS |
17969 | /* Determine the next fcf index to check */ |
17970 | next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX; | |
0c9ab6f5 JS |
17971 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
17972 | LPFC_SLI4_FCF_TBL_INDX_MAX, | |
3804dc84 JS |
17973 | next_fcf_index); |
17974 | ||
0c9ab6f5 | 17975 | /* Wrap around condition on phba->fcf.fcf_rr_bmask */ |
7d791df7 JS |
17976 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
17977 | /* | |
17978 | * If we have wrapped then we need to clear the bits that | |
17979 | * have been tested so that we can detect when we should | |
17980 | * change the priority level. | |
17981 | */ | |
0c9ab6f5 JS |
17982 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
17983 | LPFC_SLI4_FCF_TBL_INDX_MAX, 0); | |
7d791df7 JS |
17984 | } |
17985 | ||
3804dc84 JS |
17986 | |
17987 | /* Check roundrobin failover list empty condition */ | |
7d791df7 JS |
17988 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX || |
17989 | next_fcf_index == phba->fcf.current_rec.fcf_indx) { | |
17990 | /* | |
17991 | * If next fcf index is not found check if there are lower | |
17992 | * Priority level fcf's in the fcf_priority list. | |
17993 | * Set up the rr_bmask with all of the avaiable fcf bits | |
17994 | * at that level and continue the selection process. | |
17995 | */ | |
17996 | if (lpfc_check_next_fcf_pri_level(phba)) | |
421c6622 | 17997 | goto initial_priority; |
3804dc84 JS |
17998 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
17999 | "2844 No roundrobin failover FCF available\n"); | |
7d791df7 JS |
18000 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) |
18001 | return LPFC_FCOE_FCF_NEXT_NONE; | |
18002 | else { | |
18003 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
18004 | "3063 Only FCF available idx %d, flag %x\n", | |
18005 | next_fcf_index, | |
18006 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag); | |
18007 | return next_fcf_index; | |
18008 | } | |
3804dc84 JS |
18009 | } |
18010 | ||
7d791df7 JS |
18011 | if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX && |
18012 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag & | |
f5cb5304 JS |
18013 | LPFC_FCF_FLOGI_FAILED) { |
18014 | if (list_is_singular(&phba->fcf.fcf_pri_list)) | |
18015 | return LPFC_FCOE_FCF_NEXT_NONE; | |
18016 | ||
7d791df7 | 18017 | goto next_priority; |
f5cb5304 | 18018 | } |
7d791df7 | 18019 | |
3804dc84 | 18020 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
18021 | "2845 Get next roundrobin failover FCF (x%x)\n", |
18022 | next_fcf_index); | |
18023 | ||
0c9ab6f5 JS |
18024 | return next_fcf_index; |
18025 | } | |
18026 | ||
18027 | /** | |
18028 | * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index | |
18029 | * @phba: pointer to lpfc hba data structure. | |
18030 | * | |
18031 | * This routine sets the FCF record index in to the eligible bmask for | |
a93ff37a | 18032 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
18033 | * does not go beyond the range of the driver allocated bmask dimension |
18034 | * before setting the bit. | |
18035 | * | |
18036 | * Returns 0 if the index bit successfully set, otherwise, it returns | |
18037 | * -EINVAL. | |
18038 | **/ | |
18039 | int | |
18040 | lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) | |
18041 | { | |
18042 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
18043 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
18044 | "2610 FCF (x%x) reached driver's book " |
18045 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
18046 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
18047 | return -EINVAL; | |
18048 | } | |
18049 | /* Set the eligible FCF record index bmask */ | |
18050 | set_bit(fcf_index, phba->fcf.fcf_rr_bmask); | |
18051 | ||
3804dc84 | 18052 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 18053 | "2790 Set FCF (x%x) to roundrobin FCF failover " |
3804dc84 JS |
18054 | "bmask\n", fcf_index); |
18055 | ||
0c9ab6f5 JS |
18056 | return 0; |
18057 | } | |
18058 | ||
18059 | /** | |
3804dc84 | 18060 | * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index |
0c9ab6f5 JS |
18061 | * @phba: pointer to lpfc hba data structure. |
18062 | * | |
18063 | * This routine clears the FCF record index from the eligible bmask for | |
a93ff37a | 18064 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
18065 | * does not go beyond the range of the driver allocated bmask dimension |
18066 | * before clearing the bit. | |
18067 | **/ | |
18068 | void | |
18069 | lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) | |
18070 | { | |
9a803a74 | 18071 | struct lpfc_fcf_pri *fcf_pri, *fcf_pri_next; |
0c9ab6f5 JS |
18072 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
18073 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
18074 | "2762 FCF (x%x) reached driver's book " |
18075 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
18076 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
18077 | return; | |
18078 | } | |
18079 | /* Clear the eligible FCF record index bmask */ | |
7d791df7 | 18080 | spin_lock_irq(&phba->hbalock); |
9a803a74 JS |
18081 | list_for_each_entry_safe(fcf_pri, fcf_pri_next, &phba->fcf.fcf_pri_list, |
18082 | list) { | |
7d791df7 JS |
18083 | if (fcf_pri->fcf_rec.fcf_index == fcf_index) { |
18084 | list_del_init(&fcf_pri->list); | |
18085 | break; | |
18086 | } | |
18087 | } | |
18088 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 18089 | clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); |
3804dc84 JS |
18090 | |
18091 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 18092 | "2791 Clear FCF (x%x) from roundrobin failover " |
3804dc84 | 18093 | "bmask\n", fcf_index); |
0c9ab6f5 JS |
18094 | } |
18095 | ||
ecfd03c6 JS |
18096 | /** |
18097 | * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table | |
18098 | * @phba: pointer to lpfc hba data structure. | |
18099 | * | |
18100 | * This routine is the completion routine for the rediscover FCF table mailbox | |
18101 | * command. If the mailbox command returned failure, it will try to stop the | |
18102 | * FCF rediscover wait timer. | |
18103 | **/ | |
5d8b8167 | 18104 | static void |
ecfd03c6 JS |
18105 | lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) |
18106 | { | |
18107 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
18108 | uint32_t shdr_status, shdr_add_status; | |
18109 | ||
18110 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
18111 | ||
18112 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
18113 | &redisc_fcf->header.cfg_shdr.response); | |
18114 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
18115 | &redisc_fcf->header.cfg_shdr.response); | |
18116 | if (shdr_status || shdr_add_status) { | |
0c9ab6f5 | 18117 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
ecfd03c6 JS |
18118 | "2746 Requesting for FCF rediscovery failed " |
18119 | "status x%x add_status x%x\n", | |
18120 | shdr_status, shdr_add_status); | |
0c9ab6f5 | 18121 | if (phba->fcf.fcf_flag & FCF_ACVL_DISC) { |
fc2b989b | 18122 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 18123 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b JS |
18124 | spin_unlock_irq(&phba->hbalock); |
18125 | /* | |
18126 | * CVL event triggered FCF rediscover request failed, | |
18127 | * last resort to re-try current registered FCF entry. | |
18128 | */ | |
18129 | lpfc_retry_pport_discovery(phba); | |
18130 | } else { | |
18131 | spin_lock_irq(&phba->hbalock); | |
0c9ab6f5 | 18132 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; |
fc2b989b JS |
18133 | spin_unlock_irq(&phba->hbalock); |
18134 | /* | |
18135 | * DEAD FCF event triggered FCF rediscover request | |
18136 | * failed, last resort to fail over as a link down | |
18137 | * to FCF registration. | |
18138 | */ | |
18139 | lpfc_sli4_fcf_dead_failthrough(phba); | |
18140 | } | |
0c9ab6f5 JS |
18141 | } else { |
18142 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 18143 | "2775 Start FCF rediscover quiescent timer\n"); |
ecfd03c6 JS |
18144 | /* |
18145 | * Start FCF rediscovery wait timer for pending FCF | |
18146 | * before rescan FCF record table. | |
18147 | */ | |
18148 | lpfc_fcf_redisc_wait_start_timer(phba); | |
0c9ab6f5 | 18149 | } |
ecfd03c6 JS |
18150 | |
18151 | mempool_free(mbox, phba->mbox_mem_pool); | |
18152 | } | |
18153 | ||
18154 | /** | |
3804dc84 | 18155 | * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port. |
ecfd03c6 JS |
18156 | * @phba: pointer to lpfc hba data structure. |
18157 | * | |
18158 | * This routine is invoked to request for rediscovery of the entire FCF table | |
18159 | * by the port. | |
18160 | **/ | |
18161 | int | |
18162 | lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba) | |
18163 | { | |
18164 | LPFC_MBOXQ_t *mbox; | |
18165 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
18166 | int rc, length; | |
18167 | ||
0c9ab6f5 JS |
18168 | /* Cancel retry delay timers to all vports before FCF rediscover */ |
18169 | lpfc_cancel_all_vport_retry_delay_timer(phba); | |
18170 | ||
ecfd03c6 JS |
18171 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18172 | if (!mbox) { | |
18173 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18174 | "2745 Failed to allocate mbox for " | |
18175 | "requesting FCF rediscover.\n"); | |
18176 | return -ENOMEM; | |
18177 | } | |
18178 | ||
18179 | length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) - | |
18180 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
18181 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
18182 | LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF, | |
18183 | length, LPFC_SLI4_MBX_EMBED); | |
18184 | ||
18185 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
18186 | /* Set count to 0 for invalidating the entire FCF database */ | |
18187 | bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0); | |
18188 | ||
18189 | /* Issue the mailbox command asynchronously */ | |
18190 | mbox->vport = phba->pport; | |
18191 | mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table; | |
18192 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
18193 | ||
18194 | if (rc == MBX_NOT_FINISHED) { | |
18195 | mempool_free(mbox, phba->mbox_mem_pool); | |
18196 | return -EIO; | |
18197 | } | |
18198 | return 0; | |
18199 | } | |
18200 | ||
fc2b989b JS |
18201 | /** |
18202 | * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event | |
18203 | * @phba: pointer to lpfc hba data structure. | |
18204 | * | |
18205 | * This function is the failover routine as a last resort to the FCF DEAD | |
18206 | * event when driver failed to perform fast FCF failover. | |
18207 | **/ | |
18208 | void | |
18209 | lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba) | |
18210 | { | |
18211 | uint32_t link_state; | |
18212 | ||
18213 | /* | |
18214 | * Last resort as FCF DEAD event failover will treat this as | |
18215 | * a link down, but save the link state because we don't want | |
18216 | * it to be changed to Link Down unless it is already down. | |
18217 | */ | |
18218 | link_state = phba->link_state; | |
18219 | lpfc_linkdown(phba); | |
18220 | phba->link_state = link_state; | |
18221 | ||
18222 | /* Unregister FCF if no devices connected to it */ | |
18223 | lpfc_unregister_unused_fcf(phba); | |
18224 | } | |
18225 | ||
a0c87cbd | 18226 | /** |
026abb87 | 18227 | * lpfc_sli_get_config_region23 - Get sli3 port region 23 data. |
a0c87cbd | 18228 | * @phba: pointer to lpfc hba data structure. |
026abb87 | 18229 | * @rgn23_data: pointer to configure region 23 data. |
a0c87cbd | 18230 | * |
026abb87 JS |
18231 | * This function gets SLI3 port configure region 23 data through memory dump |
18232 | * mailbox command. When it successfully retrieves data, the size of the data | |
18233 | * will be returned, otherwise, 0 will be returned. | |
a0c87cbd | 18234 | **/ |
026abb87 JS |
18235 | static uint32_t |
18236 | lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
a0c87cbd JS |
18237 | { |
18238 | LPFC_MBOXQ_t *pmb = NULL; | |
18239 | MAILBOX_t *mb; | |
026abb87 | 18240 | uint32_t offset = 0; |
a0c87cbd JS |
18241 | int rc; |
18242 | ||
026abb87 JS |
18243 | if (!rgn23_data) |
18244 | return 0; | |
18245 | ||
a0c87cbd JS |
18246 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18247 | if (!pmb) { | |
18248 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
026abb87 JS |
18249 | "2600 failed to allocate mailbox memory\n"); |
18250 | return 0; | |
a0c87cbd JS |
18251 | } |
18252 | mb = &pmb->u.mb; | |
18253 | ||
a0c87cbd JS |
18254 | do { |
18255 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23); | |
18256 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
18257 | ||
18258 | if (rc != MBX_SUCCESS) { | |
18259 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
026abb87 JS |
18260 | "2601 failed to read config " |
18261 | "region 23, rc 0x%x Status 0x%x\n", | |
18262 | rc, mb->mbxStatus); | |
a0c87cbd JS |
18263 | mb->un.varDmp.word_cnt = 0; |
18264 | } | |
18265 | /* | |
18266 | * dump mem may return a zero when finished or we got a | |
18267 | * mailbox error, either way we are done. | |
18268 | */ | |
18269 | if (mb->un.varDmp.word_cnt == 0) | |
18270 | break; | |
18271 | if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset) | |
18272 | mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset; | |
18273 | ||
18274 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
026abb87 JS |
18275 | rgn23_data + offset, |
18276 | mb->un.varDmp.word_cnt); | |
a0c87cbd JS |
18277 | offset += mb->un.varDmp.word_cnt; |
18278 | } while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE); | |
18279 | ||
026abb87 JS |
18280 | mempool_free(pmb, phba->mbox_mem_pool); |
18281 | return offset; | |
18282 | } | |
18283 | ||
18284 | /** | |
18285 | * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data. | |
18286 | * @phba: pointer to lpfc hba data structure. | |
18287 | * @rgn23_data: pointer to configure region 23 data. | |
18288 | * | |
18289 | * This function gets SLI4 port configure region 23 data through memory dump | |
18290 | * mailbox command. When it successfully retrieves data, the size of the data | |
18291 | * will be returned, otherwise, 0 will be returned. | |
18292 | **/ | |
18293 | static uint32_t | |
18294 | lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
18295 | { | |
18296 | LPFC_MBOXQ_t *mboxq = NULL; | |
18297 | struct lpfc_dmabuf *mp = NULL; | |
18298 | struct lpfc_mqe *mqe; | |
18299 | uint32_t data_length = 0; | |
18300 | int rc; | |
18301 | ||
18302 | if (!rgn23_data) | |
18303 | return 0; | |
18304 | ||
18305 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18306 | if (!mboxq) { | |
18307 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18308 | "3105 failed to allocate mailbox memory\n"); | |
18309 | return 0; | |
18310 | } | |
18311 | ||
18312 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) | |
18313 | goto out; | |
18314 | mqe = &mboxq->u.mqe; | |
18315 | mp = (struct lpfc_dmabuf *) mboxq->context1; | |
18316 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
18317 | if (rc) | |
18318 | goto out; | |
18319 | data_length = mqe->un.mb_words[5]; | |
18320 | if (data_length == 0) | |
18321 | goto out; | |
18322 | if (data_length > DMP_RGN23_SIZE) { | |
18323 | data_length = 0; | |
18324 | goto out; | |
18325 | } | |
18326 | lpfc_sli_pcimem_bcopy((char *)mp->virt, rgn23_data, data_length); | |
18327 | out: | |
18328 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18329 | if (mp) { | |
18330 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
18331 | kfree(mp); | |
18332 | } | |
18333 | return data_length; | |
18334 | } | |
18335 | ||
18336 | /** | |
18337 | * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled. | |
18338 | * @phba: pointer to lpfc hba data structure. | |
18339 | * | |
18340 | * This function read region 23 and parse TLV for port status to | |
18341 | * decide if the user disaled the port. If the TLV indicates the | |
18342 | * port is disabled, the hba_flag is set accordingly. | |
18343 | **/ | |
18344 | void | |
18345 | lpfc_sli_read_link_ste(struct lpfc_hba *phba) | |
18346 | { | |
18347 | uint8_t *rgn23_data = NULL; | |
18348 | uint32_t if_type, data_size, sub_tlv_len, tlv_offset; | |
18349 | uint32_t offset = 0; | |
18350 | ||
18351 | /* Get adapter Region 23 data */ | |
18352 | rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL); | |
18353 | if (!rgn23_data) | |
18354 | goto out; | |
18355 | ||
18356 | if (phba->sli_rev < LPFC_SLI_REV4) | |
18357 | data_size = lpfc_sli_get_config_region23(phba, rgn23_data); | |
18358 | else { | |
18359 | if_type = bf_get(lpfc_sli_intf_if_type, | |
18360 | &phba->sli4_hba.sli_intf); | |
18361 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) | |
18362 | goto out; | |
18363 | data_size = lpfc_sli4_get_config_region23(phba, rgn23_data); | |
18364 | } | |
a0c87cbd JS |
18365 | |
18366 | if (!data_size) | |
18367 | goto out; | |
18368 | ||
18369 | /* Check the region signature first */ | |
18370 | if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) { | |
18371 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18372 | "2619 Config region 23 has bad signature\n"); | |
18373 | goto out; | |
18374 | } | |
18375 | offset += 4; | |
18376 | ||
18377 | /* Check the data structure version */ | |
18378 | if (rgn23_data[offset] != LPFC_REGION23_VERSION) { | |
18379 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18380 | "2620 Config region 23 has bad version\n"); | |
18381 | goto out; | |
18382 | } | |
18383 | offset += 4; | |
18384 | ||
18385 | /* Parse TLV entries in the region */ | |
18386 | while (offset < data_size) { | |
18387 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) | |
18388 | break; | |
18389 | /* | |
18390 | * If the TLV is not driver specific TLV or driver id is | |
18391 | * not linux driver id, skip the record. | |
18392 | */ | |
18393 | if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) || | |
18394 | (rgn23_data[offset + 2] != LINUX_DRIVER_ID) || | |
18395 | (rgn23_data[offset + 3] != 0)) { | |
18396 | offset += rgn23_data[offset + 1] * 4 + 4; | |
18397 | continue; | |
18398 | } | |
18399 | ||
18400 | /* Driver found a driver specific TLV in the config region */ | |
18401 | sub_tlv_len = rgn23_data[offset + 1] * 4; | |
18402 | offset += 4; | |
18403 | tlv_offset = 0; | |
18404 | ||
18405 | /* | |
18406 | * Search for configured port state sub-TLV. | |
18407 | */ | |
18408 | while ((offset < data_size) && | |
18409 | (tlv_offset < sub_tlv_len)) { | |
18410 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) { | |
18411 | offset += 4; | |
18412 | tlv_offset += 4; | |
18413 | break; | |
18414 | } | |
18415 | if (rgn23_data[offset] != PORT_STE_TYPE) { | |
18416 | offset += rgn23_data[offset + 1] * 4 + 4; | |
18417 | tlv_offset += rgn23_data[offset + 1] * 4 + 4; | |
18418 | continue; | |
18419 | } | |
18420 | ||
18421 | /* This HBA contains PORT_STE configured */ | |
18422 | if (!rgn23_data[offset + 2]) | |
18423 | phba->hba_flag |= LINK_DISABLED; | |
18424 | ||
18425 | goto out; | |
18426 | } | |
18427 | } | |
026abb87 | 18428 | |
a0c87cbd | 18429 | out: |
a0c87cbd JS |
18430 | kfree(rgn23_data); |
18431 | return; | |
18432 | } | |
695a814e | 18433 | |
52d52440 JS |
18434 | /** |
18435 | * lpfc_wr_object - write an object to the firmware | |
18436 | * @phba: HBA structure that indicates port to create a queue on. | |
18437 | * @dmabuf_list: list of dmabufs to write to the port. | |
18438 | * @size: the total byte value of the objects to write to the port. | |
18439 | * @offset: the current offset to be used to start the transfer. | |
18440 | * | |
18441 | * This routine will create a wr_object mailbox command to send to the port. | |
18442 | * the mailbox command will be constructed using the dma buffers described in | |
18443 | * @dmabuf_list to create a list of BDEs. This routine will fill in as many | |
18444 | * BDEs that the imbedded mailbox can support. The @offset variable will be | |
18445 | * used to indicate the starting offset of the transfer and will also return | |
18446 | * the offset after the write object mailbox has completed. @size is used to | |
18447 | * determine the end of the object and whether the eof bit should be set. | |
18448 | * | |
18449 | * Return 0 is successful and offset will contain the the new offset to use | |
18450 | * for the next write. | |
18451 | * Return negative value for error cases. | |
18452 | **/ | |
18453 | int | |
18454 | lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list, | |
18455 | uint32_t size, uint32_t *offset) | |
18456 | { | |
18457 | struct lpfc_mbx_wr_object *wr_object; | |
18458 | LPFC_MBOXQ_t *mbox; | |
18459 | int rc = 0, i = 0; | |
18460 | uint32_t shdr_status, shdr_add_status; | |
18461 | uint32_t mbox_tmo; | |
18462 | union lpfc_sli4_cfg_shdr *shdr; | |
18463 | struct lpfc_dmabuf *dmabuf; | |
18464 | uint32_t written = 0; | |
18465 | ||
18466 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18467 | if (!mbox) | |
18468 | return -ENOMEM; | |
18469 | ||
18470 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
18471 | LPFC_MBOX_OPCODE_WRITE_OBJECT, | |
18472 | sizeof(struct lpfc_mbx_wr_object) - | |
18473 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); | |
18474 | ||
18475 | wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object; | |
18476 | wr_object->u.request.write_offset = *offset; | |
18477 | sprintf((uint8_t *)wr_object->u.request.object_name, "/"); | |
18478 | wr_object->u.request.object_name[0] = | |
18479 | cpu_to_le32(wr_object->u.request.object_name[0]); | |
18480 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0); | |
18481 | list_for_each_entry(dmabuf, dmabuf_list, list) { | |
18482 | if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size) | |
18483 | break; | |
18484 | wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys); | |
18485 | wr_object->u.request.bde[i].addrHigh = | |
18486 | putPaddrHigh(dmabuf->phys); | |
18487 | if (written + SLI4_PAGE_SIZE >= size) { | |
18488 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
18489 | (size - written); | |
18490 | written += (size - written); | |
18491 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1); | |
18492 | } else { | |
18493 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
18494 | SLI4_PAGE_SIZE; | |
18495 | written += SLI4_PAGE_SIZE; | |
18496 | } | |
18497 | i++; | |
18498 | } | |
18499 | wr_object->u.request.bde_count = i; | |
18500 | bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written); | |
18501 | if (!phba->sli4_hba.intr_enable) | |
18502 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
18503 | else { | |
a183a15f | 18504 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
52d52440 JS |
18505 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
18506 | } | |
18507 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
18508 | shdr = (union lpfc_sli4_cfg_shdr *) &wr_object->header.cfg_shdr; | |
18509 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18510 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18511 | if (rc != MBX_TIMEOUT) | |
18512 | mempool_free(mbox, phba->mbox_mem_pool); | |
18513 | if (shdr_status || shdr_add_status || rc) { | |
18514 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18515 | "3025 Write Object mailbox failed with " | |
18516 | "status x%x add_status x%x, mbx status x%x\n", | |
18517 | shdr_status, shdr_add_status, rc); | |
18518 | rc = -ENXIO; | |
18519 | } else | |
18520 | *offset += wr_object->u.response.actual_write_length; | |
18521 | return rc; | |
18522 | } | |
18523 | ||
695a814e JS |
18524 | /** |
18525 | * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands. | |
18526 | * @vport: pointer to vport data structure. | |
18527 | * | |
18528 | * This function iterate through the mailboxq and clean up all REG_LOGIN | |
18529 | * and REG_VPI mailbox commands associated with the vport. This function | |
18530 | * is called when driver want to restart discovery of the vport due to | |
18531 | * a Clear Virtual Link event. | |
18532 | **/ | |
18533 | void | |
18534 | lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) | |
18535 | { | |
18536 | struct lpfc_hba *phba = vport->phba; | |
18537 | LPFC_MBOXQ_t *mb, *nextmb; | |
18538 | struct lpfc_dmabuf *mp; | |
78730cfe | 18539 | struct lpfc_nodelist *ndlp; |
d439d286 | 18540 | struct lpfc_nodelist *act_mbx_ndlp = NULL; |
589a52d6 | 18541 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
d439d286 | 18542 | LIST_HEAD(mbox_cmd_list); |
63e801ce | 18543 | uint8_t restart_loop; |
695a814e | 18544 | |
d439d286 | 18545 | /* Clean up internally queued mailbox commands with the vport */ |
695a814e JS |
18546 | spin_lock_irq(&phba->hbalock); |
18547 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { | |
18548 | if (mb->vport != vport) | |
18549 | continue; | |
18550 | ||
18551 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
18552 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
18553 | continue; | |
18554 | ||
d439d286 JS |
18555 | list_del(&mb->list); |
18556 | list_add_tail(&mb->list, &mbox_cmd_list); | |
18557 | } | |
18558 | /* Clean up active mailbox command with the vport */ | |
18559 | mb = phba->sli.mbox_active; | |
18560 | if (mb && (mb->vport == vport)) { | |
18561 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) || | |
18562 | (mb->u.mb.mbxCommand == MBX_REG_VPI)) | |
18563 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
18564 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
18565 | act_mbx_ndlp = (struct lpfc_nodelist *)mb->context2; | |
18566 | /* Put reference count for delayed processing */ | |
18567 | act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp); | |
18568 | /* Unregister the RPI when mailbox complete */ | |
18569 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
18570 | } | |
18571 | } | |
63e801ce JS |
18572 | /* Cleanup any mailbox completions which are not yet processed */ |
18573 | do { | |
18574 | restart_loop = 0; | |
18575 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
18576 | /* | |
18577 | * If this mailox is already processed or it is | |
18578 | * for another vport ignore it. | |
18579 | */ | |
18580 | if ((mb->vport != vport) || | |
18581 | (mb->mbox_flag & LPFC_MBX_IMED_UNREG)) | |
18582 | continue; | |
18583 | ||
18584 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
18585 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
18586 | continue; | |
18587 | ||
18588 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
18589 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
18590 | ndlp = (struct lpfc_nodelist *)mb->context2; | |
18591 | /* Unregister the RPI when mailbox complete */ | |
18592 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
18593 | restart_loop = 1; | |
18594 | spin_unlock_irq(&phba->hbalock); | |
18595 | spin_lock(shost->host_lock); | |
18596 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
18597 | spin_unlock(shost->host_lock); | |
18598 | spin_lock_irq(&phba->hbalock); | |
18599 | break; | |
18600 | } | |
18601 | } | |
18602 | } while (restart_loop); | |
18603 | ||
d439d286 JS |
18604 | spin_unlock_irq(&phba->hbalock); |
18605 | ||
18606 | /* Release the cleaned-up mailbox commands */ | |
18607 | while (!list_empty(&mbox_cmd_list)) { | |
18608 | list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list); | |
695a814e JS |
18609 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
18610 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
18611 | if (mp) { | |
18612 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
18613 | kfree(mp); | |
18614 | } | |
78730cfe | 18615 | ndlp = (struct lpfc_nodelist *) mb->context2; |
d439d286 | 18616 | mb->context2 = NULL; |
78730cfe | 18617 | if (ndlp) { |
ec21b3b0 | 18618 | spin_lock(shost->host_lock); |
589a52d6 | 18619 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; |
ec21b3b0 | 18620 | spin_unlock(shost->host_lock); |
78730cfe | 18621 | lpfc_nlp_put(ndlp); |
78730cfe | 18622 | } |
695a814e | 18623 | } |
695a814e JS |
18624 | mempool_free(mb, phba->mbox_mem_pool); |
18625 | } | |
d439d286 JS |
18626 | |
18627 | /* Release the ndlp with the cleaned-up active mailbox command */ | |
18628 | if (act_mbx_ndlp) { | |
18629 | spin_lock(shost->host_lock); | |
18630 | act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
18631 | spin_unlock(shost->host_lock); | |
18632 | lpfc_nlp_put(act_mbx_ndlp); | |
695a814e | 18633 | } |
695a814e JS |
18634 | } |
18635 | ||
2a9bf3d0 JS |
18636 | /** |
18637 | * lpfc_drain_txq - Drain the txq | |
18638 | * @phba: Pointer to HBA context object. | |
18639 | * | |
18640 | * This function attempt to submit IOCBs on the txq | |
18641 | * to the adapter. For SLI4 adapters, the txq contains | |
18642 | * ELS IOCBs that have been deferred because the there | |
18643 | * are no SGLs. This congestion can occur with large | |
18644 | * vport counts during node discovery. | |
18645 | **/ | |
18646 | ||
18647 | uint32_t | |
18648 | lpfc_drain_txq(struct lpfc_hba *phba) | |
18649 | { | |
18650 | LIST_HEAD(completions); | |
895427bd | 18651 | struct lpfc_sli_ring *pring; |
2e706377 | 18652 | struct lpfc_iocbq *piocbq = NULL; |
2a9bf3d0 JS |
18653 | unsigned long iflags = 0; |
18654 | char *fail_msg = NULL; | |
18655 | struct lpfc_sglq *sglq; | |
2f07784f JS |
18656 | union lpfc_wqe128 wqe128; |
18657 | union lpfc_wqe *wqe = (union lpfc_wqe *) &wqe128; | |
a2fc4aef | 18658 | uint32_t txq_cnt = 0; |
2a9bf3d0 | 18659 | |
895427bd JS |
18660 | pring = lpfc_phba_elsring(phba); |
18661 | ||
398d81c9 | 18662 | spin_lock_irqsave(&pring->ring_lock, iflags); |
0e9bb8d7 JS |
18663 | list_for_each_entry(piocbq, &pring->txq, list) { |
18664 | txq_cnt++; | |
18665 | } | |
18666 | ||
18667 | if (txq_cnt > pring->txq_max) | |
18668 | pring->txq_max = txq_cnt; | |
2a9bf3d0 | 18669 | |
398d81c9 | 18670 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 18671 | |
0e9bb8d7 | 18672 | while (!list_empty(&pring->txq)) { |
398d81c9 | 18673 | spin_lock_irqsave(&pring->ring_lock, iflags); |
2a9bf3d0 | 18674 | |
19ca7609 | 18675 | piocbq = lpfc_sli_ringtx_get(phba, pring); |
a629852a | 18676 | if (!piocbq) { |
398d81c9 | 18677 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
a629852a JS |
18678 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
18679 | "2823 txq empty and txq_cnt is %d\n ", | |
0e9bb8d7 | 18680 | txq_cnt); |
a629852a JS |
18681 | break; |
18682 | } | |
895427bd | 18683 | sglq = __lpfc_sli_get_els_sglq(phba, piocbq); |
2a9bf3d0 | 18684 | if (!sglq) { |
19ca7609 | 18685 | __lpfc_sli_ringtx_put(phba, pring, piocbq); |
398d81c9 | 18686 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 18687 | break; |
2a9bf3d0 | 18688 | } |
0e9bb8d7 | 18689 | txq_cnt--; |
2a9bf3d0 JS |
18690 | |
18691 | /* The xri and iocb resources secured, | |
18692 | * attempt to issue request | |
18693 | */ | |
6d368e53 | 18694 | piocbq->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 JS |
18695 | piocbq->sli4_xritag = sglq->sli4_xritag; |
18696 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq)) | |
18697 | fail_msg = "to convert bpl to sgl"; | |
2f07784f | 18698 | else if (lpfc_sli4_iocb2wqe(phba, piocbq, wqe)) |
2a9bf3d0 | 18699 | fail_msg = "to convert iocb to wqe"; |
2f07784f | 18700 | else if (lpfc_sli4_wq_put(phba->sli4_hba.els_wq, wqe)) |
2a9bf3d0 JS |
18701 | fail_msg = " - Wq is full"; |
18702 | else | |
18703 | lpfc_sli_ringtxcmpl_put(phba, pring, piocbq); | |
18704 | ||
18705 | if (fail_msg) { | |
18706 | /* Failed means we can't issue and need to cancel */ | |
18707 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18708 | "2822 IOCB failed %s iotag 0x%x " | |
18709 | "xri 0x%x\n", | |
18710 | fail_msg, | |
18711 | piocbq->iotag, piocbq->sli4_xritag); | |
18712 | list_add_tail(&piocbq->list, &completions); | |
18713 | } | |
398d81c9 | 18714 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 JS |
18715 | } |
18716 | ||
2a9bf3d0 JS |
18717 | /* Cancel all the IOCBs that cannot be issued */ |
18718 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
18719 | IOERR_SLI_ABORTED); | |
18720 | ||
0e9bb8d7 | 18721 | return txq_cnt; |
2a9bf3d0 | 18722 | } |
895427bd JS |
18723 | |
18724 | /** | |
18725 | * lpfc_wqe_bpl2sgl - Convert the bpl/bde to a sgl. | |
18726 | * @phba: Pointer to HBA context object. | |
18727 | * @pwqe: Pointer to command WQE. | |
18728 | * @sglq: Pointer to the scatter gather queue object. | |
18729 | * | |
18730 | * This routine converts the bpl or bde that is in the WQE | |
18731 | * to a sgl list for the sli4 hardware. The physical address | |
18732 | * of the bpl/bde is converted back to a virtual address. | |
18733 | * If the WQE contains a BPL then the list of BDE's is | |
18734 | * converted to sli4_sge's. If the WQE contains a single | |
18735 | * BDE then it is converted to a single sli_sge. | |
18736 | * The WQE is still in cpu endianness so the contents of | |
18737 | * the bpl can be used without byte swapping. | |
18738 | * | |
18739 | * Returns valid XRI = Success, NO_XRI = Failure. | |
18740 | */ | |
18741 | static uint16_t | |
18742 | lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeq, | |
18743 | struct lpfc_sglq *sglq) | |
18744 | { | |
18745 | uint16_t xritag = NO_XRI; | |
18746 | struct ulp_bde64 *bpl = NULL; | |
18747 | struct ulp_bde64 bde; | |
18748 | struct sli4_sge *sgl = NULL; | |
18749 | struct lpfc_dmabuf *dmabuf; | |
18750 | union lpfc_wqe *wqe; | |
18751 | int numBdes = 0; | |
18752 | int i = 0; | |
18753 | uint32_t offset = 0; /* accumulated offset in the sg request list */ | |
18754 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
18755 | uint32_t cmd; | |
18756 | ||
18757 | if (!pwqeq || !sglq) | |
18758 | return xritag; | |
18759 | ||
18760 | sgl = (struct sli4_sge *)sglq->sgl; | |
18761 | wqe = &pwqeq->wqe; | |
18762 | pwqeq->iocb.ulpIoTag = pwqeq->iotag; | |
18763 | ||
18764 | cmd = bf_get(wqe_cmnd, &wqe->generic.wqe_com); | |
18765 | if (cmd == CMD_XMIT_BLS_RSP64_WQE) | |
18766 | return sglq->sli4_xritag; | |
18767 | numBdes = pwqeq->rsvd2; | |
18768 | if (numBdes) { | |
18769 | /* The addrHigh and addrLow fields within the WQE | |
18770 | * have not been byteswapped yet so there is no | |
18771 | * need to swap them back. | |
18772 | */ | |
18773 | if (pwqeq->context3) | |
18774 | dmabuf = (struct lpfc_dmabuf *)pwqeq->context3; | |
18775 | else | |
18776 | return xritag; | |
18777 | ||
18778 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
18779 | if (!bpl) | |
18780 | return xritag; | |
18781 | ||
18782 | for (i = 0; i < numBdes; i++) { | |
18783 | /* Should already be byte swapped. */ | |
18784 | sgl->addr_hi = bpl->addrHigh; | |
18785 | sgl->addr_lo = bpl->addrLow; | |
18786 | ||
18787 | sgl->word2 = le32_to_cpu(sgl->word2); | |
18788 | if ((i+1) == numBdes) | |
18789 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
18790 | else | |
18791 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
18792 | /* swap the size field back to the cpu so we | |
18793 | * can assign it to the sgl. | |
18794 | */ | |
18795 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
18796 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
18797 | /* The offsets in the sgl need to be accumulated | |
18798 | * separately for the request and reply lists. | |
18799 | * The request is always first, the reply follows. | |
18800 | */ | |
18801 | switch (cmd) { | |
18802 | case CMD_GEN_REQUEST64_WQE: | |
18803 | /* add up the reply sg entries */ | |
18804 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
18805 | inbound++; | |
18806 | /* first inbound? reset the offset */ | |
18807 | if (inbound == 1) | |
18808 | offset = 0; | |
18809 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
18810 | bf_set(lpfc_sli4_sge_type, sgl, | |
18811 | LPFC_SGE_TYPE_DATA); | |
18812 | offset += bde.tus.f.bdeSize; | |
18813 | break; | |
18814 | case CMD_FCP_TRSP64_WQE: | |
18815 | bf_set(lpfc_sli4_sge_offset, sgl, 0); | |
18816 | bf_set(lpfc_sli4_sge_type, sgl, | |
18817 | LPFC_SGE_TYPE_DATA); | |
18818 | break; | |
18819 | case CMD_FCP_TSEND64_WQE: | |
18820 | case CMD_FCP_TRECEIVE64_WQE: | |
18821 | bf_set(lpfc_sli4_sge_type, sgl, | |
18822 | bpl->tus.f.bdeFlags); | |
18823 | if (i < 3) | |
18824 | offset = 0; | |
18825 | else | |
18826 | offset += bde.tus.f.bdeSize; | |
18827 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
18828 | break; | |
18829 | } | |
18830 | sgl->word2 = cpu_to_le32(sgl->word2); | |
18831 | bpl++; | |
18832 | sgl++; | |
18833 | } | |
18834 | } else if (wqe->gen_req.bde.tus.f.bdeFlags == BUFF_TYPE_BDE_64) { | |
18835 | /* The addrHigh and addrLow fields of the BDE have not | |
18836 | * been byteswapped yet so they need to be swapped | |
18837 | * before putting them in the sgl. | |
18838 | */ | |
18839 | sgl->addr_hi = cpu_to_le32(wqe->gen_req.bde.addrHigh); | |
18840 | sgl->addr_lo = cpu_to_le32(wqe->gen_req.bde.addrLow); | |
18841 | sgl->word2 = le32_to_cpu(sgl->word2); | |
18842 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
18843 | sgl->word2 = cpu_to_le32(sgl->word2); | |
18844 | sgl->sge_len = cpu_to_le32(wqe->gen_req.bde.tus.f.bdeSize); | |
18845 | } | |
18846 | return sglq->sli4_xritag; | |
18847 | } | |
18848 | ||
18849 | /** | |
18850 | * lpfc_sli4_issue_wqe - Issue an SLI4 Work Queue Entry (WQE) | |
18851 | * @phba: Pointer to HBA context object. | |
18852 | * @ring_number: Base sli ring number | |
18853 | * @pwqe: Pointer to command WQE. | |
18854 | **/ | |
18855 | int | |
18856 | lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number, | |
18857 | struct lpfc_iocbq *pwqe) | |
18858 | { | |
18859 | union lpfc_wqe *wqe = &pwqe->wqe; | |
f358dd0c | 18860 | struct lpfc_nvmet_rcv_ctx *ctxp; |
895427bd JS |
18861 | struct lpfc_queue *wq; |
18862 | struct lpfc_sglq *sglq; | |
18863 | struct lpfc_sli_ring *pring; | |
18864 | unsigned long iflags; | |
18865 | ||
18866 | /* NVME_LS and NVME_LS ABTS requests. */ | |
18867 | if (pwqe->iocb_flag & LPFC_IO_NVME_LS) { | |
18868 | pring = phba->sli4_hba.nvmels_wq->pring; | |
18869 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
18870 | sglq = __lpfc_sli_get_els_sglq(phba, pwqe); | |
18871 | if (!sglq) { | |
18872 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18873 | return WQE_BUSY; | |
18874 | } | |
18875 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
18876 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
18877 | if (lpfc_wqe_bpl2sgl(phba, pwqe, sglq) == NO_XRI) { | |
18878 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18879 | return WQE_ERROR; | |
18880 | } | |
18881 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
18882 | pwqe->sli4_xritag); | |
18883 | if (lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe)) { | |
18884 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18885 | return WQE_ERROR; | |
18886 | } | |
18887 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
18888 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18889 | return 0; | |
18890 | } | |
18891 | ||
18892 | /* NVME_FCREQ and NVME_ABTS requests */ | |
18893 | if (pwqe->iocb_flag & LPFC_IO_NVME) { | |
18894 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
18895 | pring = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]->pring; | |
18896 | ||
18897 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
18898 | wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]; | |
18899 | bf_set(wqe_cqid, &wqe->generic.wqe_com, | |
18900 | phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id); | |
18901 | if (lpfc_sli4_wq_put(wq, wqe)) { | |
18902 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18903 | return WQE_ERROR; | |
18904 | } | |
18905 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
18906 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18907 | return 0; | |
18908 | } | |
18909 | ||
f358dd0c JS |
18910 | /* NVMET requests */ |
18911 | if (pwqe->iocb_flag & LPFC_IO_NVMET) { | |
18912 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
18913 | pring = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]->pring; | |
18914 | ||
18915 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
18916 | ctxp = pwqe->context2; | |
6c621a22 | 18917 | sglq = ctxp->ctxbuf->sglq; |
f358dd0c JS |
18918 | if (pwqe->sli4_xritag == NO_XRI) { |
18919 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
18920 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
18921 | } | |
18922 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
18923 | pwqe->sli4_xritag); | |
18924 | wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]; | |
18925 | bf_set(wqe_cqid, &wqe->generic.wqe_com, | |
18926 | phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id); | |
18927 | if (lpfc_sli4_wq_put(wq, wqe)) { | |
18928 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18929 | return WQE_ERROR; | |
18930 | } | |
18931 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
18932 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18933 | return 0; | |
18934 | } | |
895427bd JS |
18935 | return WQE_ERROR; |
18936 | } |