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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); |
f485c18d DK |
83 | static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, |
84 | struct lpfc_eqe *eqe, uint32_t qidx); | |
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 | **/ | |
cd22d605 | 109 | static int |
4f774513 JS |
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++; |
cd22d605 | 126 | return -EBUSY; |
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); |
04673e38 JS |
132 | else |
133 | bf_set(wqe_wqec, &wqe->generic.wqe_com, 0); | |
fedd3b7b JS |
134 | if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) |
135 | bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); | |
4f774513 | 136 | lpfc_sli_pcimem_bcopy(wqe, temp_wqe, q->entry_size); |
6b3b3bdb JS |
137 | /* ensure WQE bcopy flushed before doorbell write */ |
138 | wmb(); | |
4f774513 JS |
139 | |
140 | /* Update the host index before invoking device */ | |
141 | host_index = q->host_index; | |
027140ea JS |
142 | |
143 | q->host_index = idx; | |
4f774513 JS |
144 | |
145 | /* Ring Doorbell */ | |
146 | doorbell.word0 = 0; | |
962bc51b JS |
147 | if (q->db_format == LPFC_DB_LIST_FORMAT) { |
148 | bf_set(lpfc_wq_db_list_fm_num_posted, &doorbell, 1); | |
149 | bf_set(lpfc_wq_db_list_fm_index, &doorbell, host_index); | |
150 | bf_set(lpfc_wq_db_list_fm_id, &doorbell, q->queue_id); | |
151 | } else if (q->db_format == LPFC_DB_RING_FORMAT) { | |
152 | bf_set(lpfc_wq_db_ring_fm_num_posted, &doorbell, 1); | |
153 | bf_set(lpfc_wq_db_ring_fm_id, &doorbell, q->queue_id); | |
154 | } else { | |
155 | return -EINVAL; | |
156 | } | |
157 | writel(doorbell.word0, q->db_regaddr); | |
4f774513 JS |
158 | |
159 | return 0; | |
160 | } | |
161 | ||
162 | /** | |
163 | * lpfc_sli4_wq_release - Updates internal hba index for WQ | |
164 | * @q: The Work Queue to operate on. | |
165 | * @index: The index to advance the hba index to. | |
166 | * | |
167 | * This routine will update the HBA index of a queue to reflect consumption of | |
168 | * Work Queue Entries by the HBA. When the HBA indicates that it has consumed | |
169 | * an entry the host calls this function to update the queue's internal | |
170 | * pointers. This routine returns the number of entries that were consumed by | |
171 | * the HBA. | |
172 | **/ | |
173 | static uint32_t | |
174 | lpfc_sli4_wq_release(struct lpfc_queue *q, uint32_t index) | |
175 | { | |
176 | uint32_t released = 0; | |
177 | ||
2e90f4b5 JS |
178 | /* sanity check on queue memory */ |
179 | if (unlikely(!q)) | |
180 | return 0; | |
181 | ||
4f774513 JS |
182 | if (q->hba_index == index) |
183 | return 0; | |
184 | do { | |
185 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
186 | released++; | |
187 | } while (q->hba_index != index); | |
188 | return released; | |
189 | } | |
190 | ||
191 | /** | |
192 | * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue | |
193 | * @q: The Mailbox Queue to operate on. | |
194 | * @wqe: The Mailbox Queue Entry to put on the Work queue. | |
195 | * | |
196 | * This routine will copy the contents of @mqe to the next available entry on | |
197 | * the @q. This function will then ring the Work Queue Doorbell to signal the | |
198 | * HBA to start processing the Work Queue Entry. This function returns 0 if | |
199 | * successful. If no entries are available on @q then this function will return | |
200 | * -ENOMEM. | |
201 | * The caller is expected to hold the hbalock when calling this routine. | |
202 | **/ | |
203 | static uint32_t | |
204 | lpfc_sli4_mq_put(struct lpfc_queue *q, struct lpfc_mqe *mqe) | |
205 | { | |
2e90f4b5 | 206 | struct lpfc_mqe *temp_mqe; |
4f774513 | 207 | struct lpfc_register doorbell; |
4f774513 | 208 | |
2e90f4b5 JS |
209 | /* sanity check on queue memory */ |
210 | if (unlikely(!q)) | |
211 | return -ENOMEM; | |
212 | temp_mqe = q->qe[q->host_index].mqe; | |
213 | ||
4f774513 JS |
214 | /* If the host has not yet processed the next entry then we are done */ |
215 | if (((q->host_index + 1) % q->entry_count) == q->hba_index) | |
216 | return -ENOMEM; | |
217 | lpfc_sli_pcimem_bcopy(mqe, temp_mqe, q->entry_size); | |
218 | /* Save off the mailbox pointer for completion */ | |
219 | q->phba->mbox = (MAILBOX_t *)temp_mqe; | |
220 | ||
221 | /* Update the host index before invoking device */ | |
4f774513 JS |
222 | q->host_index = ((q->host_index + 1) % q->entry_count); |
223 | ||
224 | /* Ring Doorbell */ | |
225 | doorbell.word0 = 0; | |
226 | bf_set(lpfc_mq_doorbell_num_posted, &doorbell, 1); | |
227 | bf_set(lpfc_mq_doorbell_id, &doorbell, q->queue_id); | |
228 | writel(doorbell.word0, q->phba->sli4_hba.MQDBregaddr); | |
4f774513 JS |
229 | return 0; |
230 | } | |
231 | ||
232 | /** | |
233 | * lpfc_sli4_mq_release - Updates internal hba index for MQ | |
234 | * @q: The Mailbox Queue to operate on. | |
235 | * | |
236 | * This routine will update the HBA index of a queue to reflect consumption of | |
237 | * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed | |
238 | * an entry the host calls this function to update the queue's internal | |
239 | * pointers. This routine returns the number of entries that were consumed by | |
240 | * the HBA. | |
241 | **/ | |
242 | static uint32_t | |
243 | lpfc_sli4_mq_release(struct lpfc_queue *q) | |
244 | { | |
2e90f4b5 JS |
245 | /* sanity check on queue memory */ |
246 | if (unlikely(!q)) | |
247 | return 0; | |
248 | ||
4f774513 JS |
249 | /* Clear the mailbox pointer for completion */ |
250 | q->phba->mbox = NULL; | |
251 | q->hba_index = ((q->hba_index + 1) % q->entry_count); | |
252 | return 1; | |
253 | } | |
254 | ||
255 | /** | |
256 | * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ | |
257 | * @q: The Event Queue to get the first valid EQE from | |
258 | * | |
259 | * This routine will get the first valid Event Queue Entry from @q, update | |
260 | * the queue's internal hba index, and return the EQE. If no valid EQEs are in | |
261 | * the Queue (no more work to do), or the Queue is full of EQEs that have been | |
262 | * processed, but not popped back to the HBA then this routine will return NULL. | |
263 | **/ | |
264 | static struct lpfc_eqe * | |
265 | lpfc_sli4_eq_get(struct lpfc_queue *q) | |
266 | { | |
2e90f4b5 | 267 | struct lpfc_eqe *eqe; |
027140ea | 268 | uint32_t idx; |
2e90f4b5 JS |
269 | |
270 | /* sanity check on queue memory */ | |
271 | if (unlikely(!q)) | |
272 | return NULL; | |
273 | eqe = q->qe[q->hba_index].eqe; | |
4f774513 JS |
274 | |
275 | /* If the next EQE is not valid then we are done */ | |
cb5172ea | 276 | if (!bf_get_le32(lpfc_eqe_valid, eqe)) |
4f774513 JS |
277 | return NULL; |
278 | /* If the host has not yet processed the next entry then we are done */ | |
027140ea JS |
279 | idx = ((q->hba_index + 1) % q->entry_count); |
280 | if (idx == q->host_index) | |
4f774513 JS |
281 | return NULL; |
282 | ||
027140ea | 283 | q->hba_index = idx; |
27f344eb JS |
284 | |
285 | /* | |
286 | * insert barrier for instruction interlock : data from the hardware | |
287 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
288 | * upon. Speculative instructions were allowing a bcopy at the start |
289 | * of lpfc_sli4_fp_handle_wcqe(), which is called immediately | |
290 | * after our return, to copy data before the valid bit check above | |
291 | * was done. As such, some of the copied data was stale. The barrier | |
292 | * ensures the check is before any data is copied. | |
27f344eb JS |
293 | */ |
294 | mb(); | |
4f774513 JS |
295 | return eqe; |
296 | } | |
297 | ||
ba20c853 JS |
298 | /** |
299 | * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ | |
300 | * @q: The Event Queue to disable interrupts | |
301 | * | |
302 | **/ | |
303 | static inline void | |
304 | lpfc_sli4_eq_clr_intr(struct lpfc_queue *q) | |
305 | { | |
306 | struct lpfc_register doorbell; | |
307 | ||
308 | doorbell.word0 = 0; | |
309 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
310 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
311 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, | |
312 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
313 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
314 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); | |
315 | } | |
316 | ||
4f774513 JS |
317 | /** |
318 | * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ | |
319 | * @q: The Event Queue that the host has completed processing for. | |
320 | * @arm: Indicates whether the host wants to arms this CQ. | |
321 | * | |
322 | * This routine will mark all Event Queue Entries on @q, from the last | |
323 | * known completed entry to the last entry that was processed, as completed | |
324 | * by clearing the valid bit for each completion queue entry. Then it will | |
325 | * notify the HBA, by ringing the doorbell, that the EQEs have been processed. | |
326 | * The internal host index in the @q will be updated by this routine to indicate | |
327 | * that the host has finished processing the entries. The @arm parameter | |
328 | * indicates that the queue should be rearmed when ringing the doorbell. | |
329 | * | |
330 | * This function will return the number of EQEs that were popped. | |
331 | **/ | |
332 | uint32_t | |
333 | lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm) | |
334 | { | |
335 | uint32_t released = 0; | |
336 | struct lpfc_eqe *temp_eqe; | |
337 | struct lpfc_register doorbell; | |
338 | ||
2e90f4b5 JS |
339 | /* sanity check on queue memory */ |
340 | if (unlikely(!q)) | |
341 | return 0; | |
342 | ||
4f774513 JS |
343 | /* while there are valid entries */ |
344 | while (q->hba_index != q->host_index) { | |
345 | temp_eqe = q->qe[q->host_index].eqe; | |
cb5172ea | 346 | bf_set_le32(lpfc_eqe_valid, temp_eqe, 0); |
4f774513 JS |
347 | released++; |
348 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
349 | } | |
350 | if (unlikely(released == 0 && !arm)) | |
351 | return 0; | |
352 | ||
353 | /* ring doorbell for number popped */ | |
354 | doorbell.word0 = 0; | |
355 | if (arm) { | |
356 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
357 | bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1); | |
358 | } | |
359 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
360 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); | |
6b5151fd JS |
361 | bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, |
362 | (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); | |
363 | bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); | |
4f774513 | 364 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); |
a747c9ce JS |
365 | /* PCI read to flush PCI pipeline on re-arming for INTx mode */ |
366 | if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) | |
367 | readl(q->phba->sli4_hba.EQCQDBregaddr); | |
4f774513 JS |
368 | return released; |
369 | } | |
370 | ||
371 | /** | |
372 | * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ | |
373 | * @q: The Completion Queue to get the first valid CQE from | |
374 | * | |
375 | * This routine will get the first valid Completion Queue Entry from @q, update | |
376 | * the queue's internal hba index, and return the CQE. If no valid CQEs are in | |
377 | * the Queue (no more work to do), or the Queue is full of CQEs that have been | |
378 | * processed, but not popped back to the HBA then this routine will return NULL. | |
379 | **/ | |
380 | static struct lpfc_cqe * | |
381 | lpfc_sli4_cq_get(struct lpfc_queue *q) | |
382 | { | |
383 | struct lpfc_cqe *cqe; | |
027140ea | 384 | uint32_t idx; |
4f774513 | 385 | |
2e90f4b5 JS |
386 | /* sanity check on queue memory */ |
387 | if (unlikely(!q)) | |
388 | return NULL; | |
389 | ||
4f774513 | 390 | /* If the next CQE is not valid then we are done */ |
cb5172ea | 391 | if (!bf_get_le32(lpfc_cqe_valid, q->qe[q->hba_index].cqe)) |
4f774513 JS |
392 | return NULL; |
393 | /* If the host has not yet processed the next entry then we are done */ | |
027140ea JS |
394 | idx = ((q->hba_index + 1) % q->entry_count); |
395 | if (idx == q->host_index) | |
4f774513 JS |
396 | return NULL; |
397 | ||
398 | cqe = q->qe[q->hba_index].cqe; | |
027140ea | 399 | q->hba_index = idx; |
27f344eb JS |
400 | |
401 | /* | |
402 | * insert barrier for instruction interlock : data from the hardware | |
403 | * must have the valid bit checked before it can be copied and acted | |
2ea259ee JS |
404 | * upon. Given what was seen in lpfc_sli4_cq_get() of speculative |
405 | * instructions allowing action on content before valid bit checked, | |
406 | * add barrier here as well. May not be needed as "content" is a | |
407 | * single 32-bit entity here (vs multi word structure for cq's). | |
27f344eb JS |
408 | */ |
409 | mb(); | |
4f774513 JS |
410 | return cqe; |
411 | } | |
412 | ||
413 | /** | |
414 | * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ | |
415 | * @q: The Completion Queue that the host has completed processing for. | |
416 | * @arm: Indicates whether the host wants to arms this CQ. | |
417 | * | |
418 | * This routine will mark all Completion queue entries on @q, from the last | |
419 | * known completed entry to the last entry that was processed, as completed | |
420 | * by clearing the valid bit for each completion queue entry. Then it will | |
421 | * notify the HBA, by ringing the doorbell, that the CQEs have been processed. | |
422 | * The internal host index in the @q will be updated by this routine to indicate | |
423 | * that the host has finished processing the entries. The @arm parameter | |
424 | * indicates that the queue should be rearmed when ringing the doorbell. | |
425 | * | |
426 | * This function will return the number of CQEs that were released. | |
427 | **/ | |
428 | uint32_t | |
429 | lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm) | |
430 | { | |
431 | uint32_t released = 0; | |
432 | struct lpfc_cqe *temp_qe; | |
433 | struct lpfc_register doorbell; | |
434 | ||
2e90f4b5 JS |
435 | /* sanity check on queue memory */ |
436 | if (unlikely(!q)) | |
437 | return 0; | |
4f774513 JS |
438 | /* while there are valid entries */ |
439 | while (q->hba_index != q->host_index) { | |
440 | temp_qe = q->qe[q->host_index].cqe; | |
cb5172ea | 441 | bf_set_le32(lpfc_cqe_valid, temp_qe, 0); |
4f774513 JS |
442 | released++; |
443 | q->host_index = ((q->host_index + 1) % q->entry_count); | |
444 | } | |
445 | if (unlikely(released == 0 && !arm)) | |
446 | return 0; | |
447 | ||
448 | /* ring doorbell for number popped */ | |
449 | doorbell.word0 = 0; | |
450 | if (arm) | |
451 | bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); | |
452 | bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); | |
453 | bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); | |
6b5151fd JS |
454 | bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, |
455 | (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); | |
456 | bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); | |
4f774513 JS |
457 | writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); |
458 | return released; | |
459 | } | |
460 | ||
461 | /** | |
462 | * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue | |
463 | * @q: The Header Receive Queue to operate on. | |
464 | * @wqe: The Receive Queue Entry to put on the Receive queue. | |
465 | * | |
466 | * This routine will copy the contents of @wqe to the next available entry on | |
467 | * the @q. This function will then ring the Receive Queue Doorbell to signal the | |
468 | * HBA to start processing the Receive Queue Entry. This function returns the | |
469 | * index that the rqe was copied to if successful. If no entries are available | |
470 | * on @q then this function will return -ENOMEM. | |
471 | * The caller is expected to hold the hbalock when calling this routine. | |
472 | **/ | |
895427bd | 473 | int |
4f774513 JS |
474 | lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, |
475 | struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe) | |
476 | { | |
2e90f4b5 JS |
477 | struct lpfc_rqe *temp_hrqe; |
478 | struct lpfc_rqe *temp_drqe; | |
4f774513 | 479 | struct lpfc_register doorbell; |
cbc5de1b JS |
480 | int hq_put_index; |
481 | int dq_put_index; | |
4f774513 | 482 | |
2e90f4b5 JS |
483 | /* sanity check on queue memory */ |
484 | if (unlikely(!hq) || unlikely(!dq)) | |
485 | return -ENOMEM; | |
cbc5de1b JS |
486 | hq_put_index = hq->host_index; |
487 | dq_put_index = dq->host_index; | |
488 | temp_hrqe = hq->qe[hq_put_index].rqe; | |
489 | temp_drqe = dq->qe[dq_put_index].rqe; | |
2e90f4b5 | 490 | |
4f774513 JS |
491 | if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ) |
492 | return -EINVAL; | |
cbc5de1b | 493 | if (hq_put_index != dq_put_index) |
4f774513 JS |
494 | return -EINVAL; |
495 | /* If the host has not yet processed the next entry then we are done */ | |
cbc5de1b | 496 | if (((hq_put_index + 1) % hq->entry_count) == hq->hba_index) |
4f774513 JS |
497 | return -EBUSY; |
498 | lpfc_sli_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size); | |
499 | lpfc_sli_pcimem_bcopy(drqe, temp_drqe, dq->entry_size); | |
500 | ||
501 | /* Update the host index to point to the next slot */ | |
cbc5de1b JS |
502 | hq->host_index = ((hq_put_index + 1) % hq->entry_count); |
503 | dq->host_index = ((dq_put_index + 1) % dq->entry_count); | |
61f3d4bf | 504 | hq->RQ_buf_posted++; |
4f774513 JS |
505 | |
506 | /* Ring The Header Receive Queue Doorbell */ | |
73d91e50 | 507 | if (!(hq->host_index % hq->entry_repost)) { |
4f774513 | 508 | doorbell.word0 = 0; |
962bc51b JS |
509 | if (hq->db_format == LPFC_DB_RING_FORMAT) { |
510 | bf_set(lpfc_rq_db_ring_fm_num_posted, &doorbell, | |
511 | hq->entry_repost); | |
512 | bf_set(lpfc_rq_db_ring_fm_id, &doorbell, hq->queue_id); | |
513 | } else if (hq->db_format == LPFC_DB_LIST_FORMAT) { | |
514 | bf_set(lpfc_rq_db_list_fm_num_posted, &doorbell, | |
515 | hq->entry_repost); | |
516 | bf_set(lpfc_rq_db_list_fm_index, &doorbell, | |
517 | hq->host_index); | |
518 | bf_set(lpfc_rq_db_list_fm_id, &doorbell, hq->queue_id); | |
519 | } else { | |
520 | return -EINVAL; | |
521 | } | |
522 | writel(doorbell.word0, hq->db_regaddr); | |
4f774513 | 523 | } |
cbc5de1b | 524 | return hq_put_index; |
4f774513 JS |
525 | } |
526 | ||
527 | /** | |
528 | * lpfc_sli4_rq_release - Updates internal hba index for RQ | |
529 | * @q: The Header Receive Queue to operate on. | |
530 | * | |
531 | * This routine will update the HBA index of a queue to reflect consumption of | |
532 | * one Receive Queue Entry by the HBA. When the HBA indicates that it has | |
533 | * consumed an entry the host calls this function to update the queue's | |
534 | * internal pointers. This routine returns the number of entries that were | |
535 | * consumed by the HBA. | |
536 | **/ | |
537 | static uint32_t | |
538 | lpfc_sli4_rq_release(struct lpfc_queue *hq, struct lpfc_queue *dq) | |
539 | { | |
2e90f4b5 JS |
540 | /* sanity check on queue memory */ |
541 | if (unlikely(!hq) || unlikely(!dq)) | |
542 | return 0; | |
543 | ||
4f774513 JS |
544 | if ((hq->type != LPFC_HRQ) || (dq->type != LPFC_DRQ)) |
545 | return 0; | |
546 | hq->hba_index = ((hq->hba_index + 1) % hq->entry_count); | |
547 | dq->hba_index = ((dq->hba_index + 1) % dq->entry_count); | |
548 | return 1; | |
549 | } | |
550 | ||
e59058c4 | 551 | /** |
3621a710 | 552 | * lpfc_cmd_iocb - Get next command iocb entry in the ring |
e59058c4 JS |
553 | * @phba: Pointer to HBA context object. |
554 | * @pring: Pointer to driver SLI ring object. | |
555 | * | |
556 | * This function returns pointer to next command iocb entry | |
557 | * in the command ring. The caller must hold hbalock to prevent | |
558 | * other threads consume the next command iocb. | |
559 | * SLI-2/SLI-3 provide different sized iocbs. | |
560 | **/ | |
ed957684 JS |
561 | static inline IOCB_t * |
562 | lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
563 | { | |
7e56aa25 JS |
564 | return (IOCB_t *) (((char *) pring->sli.sli3.cmdringaddr) + |
565 | pring->sli.sli3.cmdidx * phba->iocb_cmd_size); | |
ed957684 JS |
566 | } |
567 | ||
e59058c4 | 568 | /** |
3621a710 | 569 | * lpfc_resp_iocb - Get next response iocb entry in the ring |
e59058c4 JS |
570 | * @phba: Pointer to HBA context object. |
571 | * @pring: Pointer to driver SLI ring object. | |
572 | * | |
573 | * This function returns pointer to next response iocb entry | |
574 | * in the response ring. The caller must hold hbalock to make sure | |
575 | * that no other thread consume the next response iocb. | |
576 | * SLI-2/SLI-3 provide different sized iocbs. | |
577 | **/ | |
ed957684 JS |
578 | static inline IOCB_t * |
579 | lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
580 | { | |
7e56aa25 JS |
581 | return (IOCB_t *) (((char *) pring->sli.sli3.rspringaddr) + |
582 | pring->sli.sli3.rspidx * phba->iocb_rsp_size); | |
ed957684 JS |
583 | } |
584 | ||
e59058c4 | 585 | /** |
3621a710 | 586 | * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
587 | * @phba: Pointer to HBA context object. |
588 | * | |
589 | * This function is called with hbalock held. This function | |
590 | * allocates a new driver iocb object from the iocb pool. If the | |
591 | * allocation is successful, it returns pointer to the newly | |
592 | * allocated iocb object else it returns NULL. | |
593 | **/ | |
4f2e66c6 | 594 | struct lpfc_iocbq * |
2e0fef85 | 595 | __lpfc_sli_get_iocbq(struct lpfc_hba *phba) |
0bd4ca25 JSEC |
596 | { |
597 | struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list; | |
598 | struct lpfc_iocbq * iocbq = NULL; | |
599 | ||
1c2ba475 JT |
600 | lockdep_assert_held(&phba->hbalock); |
601 | ||
0bd4ca25 | 602 | list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list); |
2a9bf3d0 JS |
603 | if (iocbq) |
604 | phba->iocb_cnt++; | |
605 | if (phba->iocb_cnt > phba->iocb_max) | |
606 | phba->iocb_max = phba->iocb_cnt; | |
0bd4ca25 JSEC |
607 | return iocbq; |
608 | } | |
609 | ||
da0436e9 JS |
610 | /** |
611 | * __lpfc_clear_active_sglq - Remove the active sglq for this XRI. | |
612 | * @phba: Pointer to HBA context object. | |
613 | * @xritag: XRI value. | |
614 | * | |
615 | * This function clears the sglq pointer from the array of acive | |
616 | * sglq's. The xritag that is passed in is used to index into the | |
617 | * array. Before the xritag can be used it needs to be adjusted | |
618 | * by subtracting the xribase. | |
619 | * | |
620 | * Returns sglq ponter = success, NULL = Failure. | |
621 | **/ | |
895427bd | 622 | struct lpfc_sglq * |
da0436e9 JS |
623 | __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
624 | { | |
da0436e9 | 625 | struct lpfc_sglq *sglq; |
6d368e53 JS |
626 | |
627 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
628 | phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL; | |
da0436e9 JS |
629 | return sglq; |
630 | } | |
631 | ||
632 | /** | |
633 | * __lpfc_get_active_sglq - Get the active sglq for this XRI. | |
634 | * @phba: Pointer to HBA context object. | |
635 | * @xritag: XRI value. | |
636 | * | |
637 | * This function returns the sglq pointer from the array of acive | |
638 | * sglq's. The xritag that is passed in is used to index into the | |
639 | * array. Before the xritag can be used it needs to be adjusted | |
640 | * by subtracting the xribase. | |
641 | * | |
642 | * Returns sglq ponter = success, NULL = Failure. | |
643 | **/ | |
0f65ff68 | 644 | struct lpfc_sglq * |
da0436e9 JS |
645 | __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) |
646 | { | |
da0436e9 | 647 | struct lpfc_sglq *sglq; |
6d368e53 JS |
648 | |
649 | sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag]; | |
da0436e9 JS |
650 | return sglq; |
651 | } | |
652 | ||
19ca7609 | 653 | /** |
1151e3ec | 654 | * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. |
19ca7609 JS |
655 | * @phba: Pointer to HBA context object. |
656 | * @xritag: xri used in this exchange. | |
657 | * @rrq: The RRQ to be cleared. | |
658 | * | |
19ca7609 | 659 | **/ |
1151e3ec JS |
660 | void |
661 | lpfc_clr_rrq_active(struct lpfc_hba *phba, | |
662 | uint16_t xritag, | |
663 | struct lpfc_node_rrq *rrq) | |
19ca7609 | 664 | { |
1151e3ec | 665 | struct lpfc_nodelist *ndlp = NULL; |
19ca7609 | 666 | |
1151e3ec JS |
667 | if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp)) |
668 | ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID); | |
19ca7609 JS |
669 | |
670 | /* The target DID could have been swapped (cable swap) | |
671 | * we should use the ndlp from the findnode if it is | |
672 | * available. | |
673 | */ | |
1151e3ec | 674 | if ((!ndlp) && rrq->ndlp) |
19ca7609 JS |
675 | ndlp = rrq->ndlp; |
676 | ||
1151e3ec JS |
677 | if (!ndlp) |
678 | goto out; | |
679 | ||
cff261f6 | 680 | if (test_and_clear_bit(xritag, ndlp->active_rrqs_xri_bitmap)) { |
19ca7609 JS |
681 | rrq->send_rrq = 0; |
682 | rrq->xritag = 0; | |
683 | rrq->rrq_stop_time = 0; | |
684 | } | |
1151e3ec | 685 | out: |
19ca7609 JS |
686 | mempool_free(rrq, phba->rrq_pool); |
687 | } | |
688 | ||
689 | /** | |
690 | * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV. | |
691 | * @phba: Pointer to HBA context object. | |
692 | * | |
693 | * This function is called with hbalock held. This function | |
694 | * Checks if stop_time (ratov from setting rrq active) has | |
695 | * been reached, if it has and the send_rrq flag is set then | |
696 | * it will call lpfc_send_rrq. If the send_rrq flag is not set | |
697 | * then it will just call the routine to clear the rrq and | |
698 | * free the rrq resource. | |
699 | * The timer is set to the next rrq that is going to expire before | |
700 | * leaving the routine. | |
701 | * | |
702 | **/ | |
703 | void | |
704 | lpfc_handle_rrq_active(struct lpfc_hba *phba) | |
705 | { | |
706 | struct lpfc_node_rrq *rrq; | |
707 | struct lpfc_node_rrq *nextrrq; | |
708 | unsigned long next_time; | |
709 | unsigned long iflags; | |
1151e3ec | 710 | LIST_HEAD(send_rrq); |
19ca7609 JS |
711 | |
712 | spin_lock_irqsave(&phba->hbalock, iflags); | |
713 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
256ec0d0 | 714 | next_time = jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); |
19ca7609 | 715 | list_for_each_entry_safe(rrq, nextrrq, |
1151e3ec JS |
716 | &phba->active_rrq_list, list) { |
717 | if (time_after(jiffies, rrq->rrq_stop_time)) | |
718 | list_move(&rrq->list, &send_rrq); | |
719 | else if (time_before(rrq->rrq_stop_time, next_time)) | |
19ca7609 JS |
720 | next_time = rrq->rrq_stop_time; |
721 | } | |
722 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
06918ac5 JS |
723 | if ((!list_empty(&phba->active_rrq_list)) && |
724 | (!(phba->pport->load_flag & FC_UNLOADING))) | |
19ca7609 | 725 | mod_timer(&phba->rrq_tmr, next_time); |
1151e3ec JS |
726 | list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) { |
727 | list_del(&rrq->list); | |
728 | if (!rrq->send_rrq) | |
729 | /* this call will free the rrq */ | |
730 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
731 | else if (lpfc_send_rrq(phba, rrq)) { | |
732 | /* if we send the rrq then the completion handler | |
733 | * will clear the bit in the xribitmap. | |
734 | */ | |
735 | lpfc_clr_rrq_active(phba, rrq->xritag, | |
736 | rrq); | |
737 | } | |
738 | } | |
19ca7609 JS |
739 | } |
740 | ||
741 | /** | |
742 | * lpfc_get_active_rrq - Get the active RRQ for this exchange. | |
743 | * @vport: Pointer to vport context object. | |
744 | * @xri: The xri used in the exchange. | |
745 | * @did: The targets DID for this exchange. | |
746 | * | |
747 | * returns NULL = rrq not found in the phba->active_rrq_list. | |
748 | * rrq = rrq for this xri and target. | |
749 | **/ | |
750 | struct lpfc_node_rrq * | |
751 | lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did) | |
752 | { | |
753 | struct lpfc_hba *phba = vport->phba; | |
754 | struct lpfc_node_rrq *rrq; | |
755 | struct lpfc_node_rrq *nextrrq; | |
756 | unsigned long iflags; | |
757 | ||
758 | if (phba->sli_rev != LPFC_SLI_REV4) | |
759 | return NULL; | |
760 | spin_lock_irqsave(&phba->hbalock, iflags); | |
761 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) { | |
762 | if (rrq->vport == vport && rrq->xritag == xri && | |
763 | rrq->nlp_DID == did){ | |
764 | list_del(&rrq->list); | |
765 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
766 | return rrq; | |
767 | } | |
768 | } | |
769 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
770 | return NULL; | |
771 | } | |
772 | ||
773 | /** | |
774 | * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport. | |
775 | * @vport: Pointer to vport context object. | |
1151e3ec JS |
776 | * @ndlp: Pointer to the lpfc_node_list structure. |
777 | * If ndlp is NULL Remove all active RRQs for this vport from the | |
778 | * phba->active_rrq_list and clear the rrq. | |
779 | * If ndlp is not NULL then only remove rrqs for this vport & this ndlp. | |
19ca7609 JS |
780 | **/ |
781 | void | |
1151e3ec | 782 | lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) |
19ca7609 JS |
783 | |
784 | { | |
785 | struct lpfc_hba *phba = vport->phba; | |
786 | struct lpfc_node_rrq *rrq; | |
787 | struct lpfc_node_rrq *nextrrq; | |
788 | unsigned long iflags; | |
1151e3ec | 789 | LIST_HEAD(rrq_list); |
19ca7609 JS |
790 | |
791 | if (phba->sli_rev != LPFC_SLI_REV4) | |
792 | return; | |
1151e3ec JS |
793 | if (!ndlp) { |
794 | lpfc_sli4_vport_delete_els_xri_aborted(vport); | |
795 | lpfc_sli4_vport_delete_fcp_xri_aborted(vport); | |
19ca7609 | 796 | } |
1151e3ec JS |
797 | spin_lock_irqsave(&phba->hbalock, iflags); |
798 | list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) | |
799 | if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp)) | |
800 | list_move(&rrq->list, &rrq_list); | |
19ca7609 | 801 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
1151e3ec JS |
802 | |
803 | list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) { | |
804 | list_del(&rrq->list); | |
805 | lpfc_clr_rrq_active(phba, rrq->xritag, rrq); | |
806 | } | |
19ca7609 JS |
807 | } |
808 | ||
19ca7609 | 809 | /** |
1151e3ec | 810 | * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap. |
19ca7609 JS |
811 | * @phba: Pointer to HBA context object. |
812 | * @ndlp: Targets nodelist pointer for this exchange. | |
813 | * @xritag the xri in the bitmap to test. | |
814 | * | |
815 | * This function is called with hbalock held. This function | |
816 | * returns 0 = rrq not active for this xri | |
817 | * 1 = rrq is valid for this xri. | |
818 | **/ | |
1151e3ec JS |
819 | int |
820 | lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
19ca7609 JS |
821 | uint16_t xritag) |
822 | { | |
1c2ba475 | 823 | lockdep_assert_held(&phba->hbalock); |
19ca7609 JS |
824 | if (!ndlp) |
825 | return 0; | |
cff261f6 JS |
826 | if (!ndlp->active_rrqs_xri_bitmap) |
827 | return 0; | |
828 | if (test_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
19ca7609 JS |
829 | return 1; |
830 | else | |
831 | return 0; | |
832 | } | |
833 | ||
834 | /** | |
835 | * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap. | |
836 | * @phba: Pointer to HBA context object. | |
837 | * @ndlp: nodelist pointer for this target. | |
838 | * @xritag: xri used in this exchange. | |
839 | * @rxid: Remote Exchange ID. | |
840 | * @send_rrq: Flag used to determine if we should send rrq els cmd. | |
841 | * | |
842 | * This function takes the hbalock. | |
843 | * The active bit is always set in the active rrq xri_bitmap even | |
844 | * if there is no slot avaiable for the other rrq information. | |
845 | * | |
846 | * returns 0 rrq actived for this xri | |
847 | * < 0 No memory or invalid ndlp. | |
848 | **/ | |
849 | int | |
850 | lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, | |
b42c07c8 | 851 | uint16_t xritag, uint16_t rxid, uint16_t send_rrq) |
19ca7609 | 852 | { |
19ca7609 | 853 | unsigned long iflags; |
b42c07c8 JS |
854 | struct lpfc_node_rrq *rrq; |
855 | int empty; | |
856 | ||
857 | if (!ndlp) | |
858 | return -EINVAL; | |
859 | ||
860 | if (!phba->cfg_enable_rrq) | |
861 | return -EINVAL; | |
19ca7609 JS |
862 | |
863 | spin_lock_irqsave(&phba->hbalock, iflags); | |
b42c07c8 JS |
864 | if (phba->pport->load_flag & FC_UNLOADING) { |
865 | phba->hba_flag &= ~HBA_RRQ_ACTIVE; | |
866 | goto out; | |
867 | } | |
868 | ||
869 | /* | |
870 | * set the active bit even if there is no mem available. | |
871 | */ | |
872 | if (NLP_CHK_FREE_REQ(ndlp)) | |
873 | goto out; | |
874 | ||
875 | if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) | |
876 | goto out; | |
877 | ||
cff261f6 JS |
878 | if (!ndlp->active_rrqs_xri_bitmap) |
879 | goto out; | |
880 | ||
881 | if (test_and_set_bit(xritag, ndlp->active_rrqs_xri_bitmap)) | |
b42c07c8 JS |
882 | goto out; |
883 | ||
19ca7609 | 884 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
b42c07c8 JS |
885 | rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); |
886 | if (!rrq) { | |
887 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
888 | "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" | |
889 | " DID:0x%x Send:%d\n", | |
890 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
891 | return -EINVAL; | |
892 | } | |
e5771b4d JS |
893 | if (phba->cfg_enable_rrq == 1) |
894 | rrq->send_rrq = send_rrq; | |
895 | else | |
896 | rrq->send_rrq = 0; | |
b42c07c8 | 897 | rrq->xritag = xritag; |
256ec0d0 JS |
898 | rrq->rrq_stop_time = jiffies + |
899 | msecs_to_jiffies(1000 * (phba->fc_ratov + 1)); | |
b42c07c8 JS |
900 | rrq->ndlp = ndlp; |
901 | rrq->nlp_DID = ndlp->nlp_DID; | |
902 | rrq->vport = ndlp->vport; | |
903 | rrq->rxid = rxid; | |
b42c07c8 JS |
904 | spin_lock_irqsave(&phba->hbalock, iflags); |
905 | empty = list_empty(&phba->active_rrq_list); | |
906 | list_add_tail(&rrq->list, &phba->active_rrq_list); | |
907 | phba->hba_flag |= HBA_RRQ_ACTIVE; | |
908 | if (empty) | |
909 | lpfc_worker_wake_up(phba); | |
910 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
911 | return 0; | |
912 | out: | |
913 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
914 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
915 | "2921 Can't set rrq active xri:0x%x rxid:0x%x" | |
916 | " DID:0x%x Send:%d\n", | |
917 | xritag, rxid, ndlp->nlp_DID, send_rrq); | |
918 | return -EINVAL; | |
19ca7609 JS |
919 | } |
920 | ||
da0436e9 | 921 | /** |
895427bd | 922 | * __lpfc_sli_get_els_sglq - Allocates an iocb object from sgl pool |
da0436e9 | 923 | * @phba: Pointer to HBA context object. |
19ca7609 | 924 | * @piocb: Pointer to the iocbq. |
da0436e9 | 925 | * |
dafe8cea | 926 | * This function is called with the ring lock held. This function |
6d368e53 | 927 | * gets a new driver sglq object from the sglq list. If the |
da0436e9 JS |
928 | * list is not empty then it is successful, it returns pointer to the newly |
929 | * allocated sglq object else it returns NULL. | |
930 | **/ | |
931 | static struct lpfc_sglq * | |
895427bd | 932 | __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) |
da0436e9 | 933 | { |
895427bd | 934 | struct list_head *lpfc_els_sgl_list = &phba->sli4_hba.lpfc_els_sgl_list; |
da0436e9 | 935 | struct lpfc_sglq *sglq = NULL; |
19ca7609 | 936 | struct lpfc_sglq *start_sglq = NULL; |
19ca7609 JS |
937 | struct lpfc_scsi_buf *lpfc_cmd; |
938 | struct lpfc_nodelist *ndlp; | |
939 | int found = 0; | |
940 | ||
1c2ba475 JT |
941 | lockdep_assert_held(&phba->hbalock); |
942 | ||
19ca7609 JS |
943 | if (piocbq->iocb_flag & LPFC_IO_FCP) { |
944 | lpfc_cmd = (struct lpfc_scsi_buf *) piocbq->context1; | |
945 | ndlp = lpfc_cmd->rdata->pnode; | |
be858b65 | 946 | } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) && |
6c7cf486 | 947 | !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) { |
19ca7609 | 948 | ndlp = piocbq->context_un.ndlp; |
6c7cf486 JS |
949 | } else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) { |
950 | if (piocbq->iocb_flag & LPFC_IO_LOOPBACK) | |
951 | ndlp = NULL; | |
952 | else | |
953 | ndlp = piocbq->context_un.ndlp; | |
954 | } else { | |
19ca7609 | 955 | ndlp = piocbq->context1; |
6c7cf486 | 956 | } |
19ca7609 | 957 | |
895427bd JS |
958 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
959 | list_remove_head(lpfc_els_sgl_list, sglq, struct lpfc_sglq, list); | |
19ca7609 JS |
960 | start_sglq = sglq; |
961 | while (!found) { | |
962 | if (!sglq) | |
d11f54b7 | 963 | break; |
895427bd JS |
964 | if (ndlp && ndlp->active_rrqs_xri_bitmap && |
965 | test_bit(sglq->sli4_lxritag, | |
966 | ndlp->active_rrqs_xri_bitmap)) { | |
19ca7609 JS |
967 | /* This xri has an rrq outstanding for this DID. |
968 | * put it back in the list and get another xri. | |
969 | */ | |
895427bd | 970 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 | 971 | sglq = NULL; |
895427bd | 972 | list_remove_head(lpfc_els_sgl_list, sglq, |
19ca7609 JS |
973 | struct lpfc_sglq, list); |
974 | if (sglq == start_sglq) { | |
14041bd1 | 975 | list_add_tail(&sglq->list, lpfc_els_sgl_list); |
19ca7609 JS |
976 | sglq = NULL; |
977 | break; | |
978 | } else | |
979 | continue; | |
980 | } | |
981 | sglq->ndlp = ndlp; | |
982 | found = 1; | |
6d368e53 | 983 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; |
19ca7609 JS |
984 | sglq->state = SGL_ALLOCATED; |
985 | } | |
895427bd | 986 | spin_unlock(&phba->sli4_hba.sgl_list_lock); |
da0436e9 JS |
987 | return sglq; |
988 | } | |
989 | ||
f358dd0c JS |
990 | /** |
991 | * __lpfc_sli_get_nvmet_sglq - Allocates an iocb object from sgl pool | |
992 | * @phba: Pointer to HBA context object. | |
993 | * @piocb: Pointer to the iocbq. | |
994 | * | |
995 | * This function is called with the sgl_list lock held. This function | |
996 | * gets a new driver sglq object from the sglq list. If the | |
997 | * list is not empty then it is successful, it returns pointer to the newly | |
998 | * allocated sglq object else it returns NULL. | |
999 | **/ | |
1000 | struct lpfc_sglq * | |
1001 | __lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) | |
1002 | { | |
1003 | struct list_head *lpfc_nvmet_sgl_list; | |
1004 | struct lpfc_sglq *sglq = NULL; | |
1005 | ||
1006 | lpfc_nvmet_sgl_list = &phba->sli4_hba.lpfc_nvmet_sgl_list; | |
1007 | ||
1008 | lockdep_assert_held(&phba->sli4_hba.sgl_list_lock); | |
1009 | ||
1010 | list_remove_head(lpfc_nvmet_sgl_list, sglq, struct lpfc_sglq, list); | |
1011 | if (!sglq) | |
1012 | return NULL; | |
1013 | phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq; | |
1014 | sglq->state = SGL_ALLOCATED; | |
da0436e9 JS |
1015 | return sglq; |
1016 | } | |
1017 | ||
e59058c4 | 1018 | /** |
3621a710 | 1019 | * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool |
e59058c4 JS |
1020 | * @phba: Pointer to HBA context object. |
1021 | * | |
1022 | * This function is called with no lock held. This function | |
1023 | * allocates a new driver iocb object from the iocb pool. If the | |
1024 | * allocation is successful, it returns pointer to the newly | |
1025 | * allocated iocb object else it returns NULL. | |
1026 | **/ | |
2e0fef85 JS |
1027 | struct lpfc_iocbq * |
1028 | lpfc_sli_get_iocbq(struct lpfc_hba *phba) | |
1029 | { | |
1030 | struct lpfc_iocbq * iocbq = NULL; | |
1031 | unsigned long iflags; | |
1032 | ||
1033 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1034 | iocbq = __lpfc_sli_get_iocbq(phba); | |
1035 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1036 | return iocbq; | |
1037 | } | |
1038 | ||
4f774513 JS |
1039 | /** |
1040 | * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool | |
1041 | * @phba: Pointer to HBA context object. | |
1042 | * @iocbq: Pointer to driver iocb object. | |
1043 | * | |
1044 | * This function is called with hbalock held to release driver | |
1045 | * iocb object to the iocb pool. The iotag in the iocb object | |
1046 | * does not change for each use of the iocb object. This function | |
1047 | * clears all other fields of the iocb object when it is freed. | |
1048 | * The sqlq structure that holds the xritag and phys and virtual | |
1049 | * mappings for the scatter gather list is retrieved from the | |
1050 | * active array of sglq. The get of the sglq pointer also clears | |
1051 | * the entry in the array. If the status of the IO indiactes that | |
1052 | * this IO was aborted then the sglq entry it put on the | |
1053 | * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the | |
1054 | * IO has good status or fails for any other reason then the sglq | |
895427bd | 1055 | * entry is added to the free list (lpfc_els_sgl_list). |
4f774513 JS |
1056 | **/ |
1057 | static void | |
1058 | __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1059 | { | |
1060 | struct lpfc_sglq *sglq; | |
1061 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); | |
2a9bf3d0 | 1062 | unsigned long iflag = 0; |
895427bd | 1063 | struct lpfc_sli_ring *pring; |
4f774513 | 1064 | |
1c2ba475 JT |
1065 | lockdep_assert_held(&phba->hbalock); |
1066 | ||
4f774513 JS |
1067 | if (iocbq->sli4_xritag == NO_XRI) |
1068 | sglq = NULL; | |
1069 | else | |
6d368e53 JS |
1070 | sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag); |
1071 | ||
0e9bb8d7 | 1072 | |
4f774513 | 1073 | if (sglq) { |
f358dd0c JS |
1074 | if (iocbq->iocb_flag & LPFC_IO_NVMET) { |
1075 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, | |
1076 | iflag); | |
1077 | sglq->state = SGL_FREED; | |
1078 | sglq->ndlp = NULL; | |
1079 | list_add_tail(&sglq->list, | |
1080 | &phba->sli4_hba.lpfc_nvmet_sgl_list); | |
1081 | spin_unlock_irqrestore( | |
1082 | &phba->sli4_hba.sgl_list_lock, iflag); | |
1083 | goto out; | |
1084 | } | |
1085 | ||
895427bd | 1086 | pring = phba->sli4_hba.els_wq->pring; |
0f65ff68 JS |
1087 | if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) && |
1088 | (sglq->state != SGL_XRI_ABORTED)) { | |
895427bd JS |
1089 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1090 | iflag); | |
4f774513 | 1091 | list_add(&sglq->list, |
895427bd | 1092 | &phba->sli4_hba.lpfc_abts_els_sgl_list); |
4f774513 | 1093 | spin_unlock_irqrestore( |
895427bd | 1094 | &phba->sli4_hba.sgl_list_lock, iflag); |
0f65ff68 | 1095 | } else { |
895427bd JS |
1096 | spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, |
1097 | iflag); | |
0f65ff68 | 1098 | sglq->state = SGL_FREED; |
19ca7609 | 1099 | sglq->ndlp = NULL; |
fedd3b7b | 1100 | list_add_tail(&sglq->list, |
895427bd JS |
1101 | &phba->sli4_hba.lpfc_els_sgl_list); |
1102 | spin_unlock_irqrestore( | |
1103 | &phba->sli4_hba.sgl_list_lock, iflag); | |
2a9bf3d0 JS |
1104 | |
1105 | /* Check if TXQ queue needs to be serviced */ | |
0e9bb8d7 | 1106 | if (!list_empty(&pring->txq)) |
2a9bf3d0 | 1107 | lpfc_worker_wake_up(phba); |
0f65ff68 | 1108 | } |
4f774513 JS |
1109 | } |
1110 | ||
f358dd0c | 1111 | out: |
4f774513 JS |
1112 | /* |
1113 | * Clean all volatile data fields, preserve iotag and node struct. | |
1114 | */ | |
1115 | memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
6d368e53 | 1116 | iocbq->sli4_lxritag = NO_XRI; |
4f774513 | 1117 | iocbq->sli4_xritag = NO_XRI; |
f358dd0c JS |
1118 | iocbq->iocb_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET | |
1119 | LPFC_IO_NVME_LS); | |
4f774513 JS |
1120 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1121 | } | |
1122 | ||
2a9bf3d0 | 1123 | |
e59058c4 | 1124 | /** |
3772a991 | 1125 | * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool |
e59058c4 JS |
1126 | * @phba: Pointer to HBA context object. |
1127 | * @iocbq: Pointer to driver iocb object. | |
1128 | * | |
1129 | * This function is called with hbalock held to release driver | |
1130 | * iocb object to the iocb pool. The iotag in the iocb object | |
1131 | * does not change for each use of the iocb object. This function | |
1132 | * clears all other fields of the iocb object when it is freed. | |
1133 | **/ | |
a6ababd2 | 1134 | static void |
3772a991 | 1135 | __lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
604a3e30 | 1136 | { |
2e0fef85 | 1137 | size_t start_clean = offsetof(struct lpfc_iocbq, iocb); |
604a3e30 | 1138 | |
1c2ba475 | 1139 | lockdep_assert_held(&phba->hbalock); |
0e9bb8d7 | 1140 | |
604a3e30 JB |
1141 | /* |
1142 | * Clean all volatile data fields, preserve iotag and node struct. | |
1143 | */ | |
1144 | memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean); | |
3772a991 | 1145 | iocbq->sli4_xritag = NO_XRI; |
604a3e30 JB |
1146 | list_add_tail(&iocbq->list, &phba->lpfc_iocb_list); |
1147 | } | |
1148 | ||
3772a991 JS |
1149 | /** |
1150 | * __lpfc_sli_release_iocbq - Release iocb to the iocb pool | |
1151 | * @phba: Pointer to HBA context object. | |
1152 | * @iocbq: Pointer to driver iocb object. | |
1153 | * | |
1154 | * This function is called with hbalock held to release driver | |
1155 | * iocb object to the iocb pool. The iotag in the iocb object | |
1156 | * does not change for each use of the iocb object. This function | |
1157 | * clears all other fields of the iocb object when it is freed. | |
1158 | **/ | |
1159 | static void | |
1160 | __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1161 | { | |
1c2ba475 JT |
1162 | lockdep_assert_held(&phba->hbalock); |
1163 | ||
3772a991 | 1164 | phba->__lpfc_sli_release_iocbq(phba, iocbq); |
2a9bf3d0 | 1165 | phba->iocb_cnt--; |
3772a991 JS |
1166 | } |
1167 | ||
e59058c4 | 1168 | /** |
3621a710 | 1169 | * lpfc_sli_release_iocbq - Release iocb to the iocb pool |
e59058c4 JS |
1170 | * @phba: Pointer to HBA context object. |
1171 | * @iocbq: Pointer to driver iocb object. | |
1172 | * | |
1173 | * This function is called with no lock held to release the iocb to | |
1174 | * iocb pool. | |
1175 | **/ | |
2e0fef85 JS |
1176 | void |
1177 | lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) | |
1178 | { | |
1179 | unsigned long iflags; | |
1180 | ||
1181 | /* | |
1182 | * Clean all volatile data fields, preserve iotag and node struct. | |
1183 | */ | |
1184 | spin_lock_irqsave(&phba->hbalock, iflags); | |
1185 | __lpfc_sli_release_iocbq(phba, iocbq); | |
1186 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
1187 | } | |
1188 | ||
a257bf90 JS |
1189 | /** |
1190 | * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list. | |
1191 | * @phba: Pointer to HBA context object. | |
1192 | * @iocblist: List of IOCBs. | |
1193 | * @ulpstatus: ULP status in IOCB command field. | |
1194 | * @ulpWord4: ULP word-4 in IOCB command field. | |
1195 | * | |
1196 | * This function is called with a list of IOCBs to cancel. It cancels the IOCB | |
1197 | * on the list by invoking the complete callback function associated with the | |
1198 | * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond | |
1199 | * fields. | |
1200 | **/ | |
1201 | void | |
1202 | lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist, | |
1203 | uint32_t ulpstatus, uint32_t ulpWord4) | |
1204 | { | |
1205 | struct lpfc_iocbq *piocb; | |
1206 | ||
1207 | while (!list_empty(iocblist)) { | |
1208 | list_remove_head(iocblist, piocb, struct lpfc_iocbq, list); | |
a257bf90 JS |
1209 | if (!piocb->iocb_cmpl) |
1210 | lpfc_sli_release_iocbq(phba, piocb); | |
1211 | else { | |
1212 | piocb->iocb.ulpStatus = ulpstatus; | |
1213 | piocb->iocb.un.ulpWord[4] = ulpWord4; | |
1214 | (piocb->iocb_cmpl) (phba, piocb, piocb); | |
1215 | } | |
1216 | } | |
1217 | return; | |
1218 | } | |
1219 | ||
e59058c4 | 1220 | /** |
3621a710 JS |
1221 | * lpfc_sli_iocb_cmd_type - Get the iocb type |
1222 | * @iocb_cmnd: iocb command code. | |
e59058c4 JS |
1223 | * |
1224 | * This function is called by ring event handler function to get the iocb type. | |
1225 | * This function translates the iocb command to an iocb command type used to | |
1226 | * decide the final disposition of each completed IOCB. | |
1227 | * The function returns | |
1228 | * LPFC_UNKNOWN_IOCB if it is an unsupported iocb | |
1229 | * LPFC_SOL_IOCB if it is a solicited iocb completion | |
1230 | * LPFC_ABORT_IOCB if it is an abort iocb | |
1231 | * LPFC_UNSOL_IOCB if it is an unsolicited iocb | |
1232 | * | |
1233 | * The caller is not required to hold any lock. | |
1234 | **/ | |
dea3101e JB |
1235 | static lpfc_iocb_type |
1236 | lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) | |
1237 | { | |
1238 | lpfc_iocb_type type = LPFC_UNKNOWN_IOCB; | |
1239 | ||
1240 | if (iocb_cmnd > CMD_MAX_IOCB_CMD) | |
1241 | return 0; | |
1242 | ||
1243 | switch (iocb_cmnd) { | |
1244 | case CMD_XMIT_SEQUENCE_CR: | |
1245 | case CMD_XMIT_SEQUENCE_CX: | |
1246 | case CMD_XMIT_BCAST_CN: | |
1247 | case CMD_XMIT_BCAST_CX: | |
1248 | case CMD_ELS_REQUEST_CR: | |
1249 | case CMD_ELS_REQUEST_CX: | |
1250 | case CMD_CREATE_XRI_CR: | |
1251 | case CMD_CREATE_XRI_CX: | |
1252 | case CMD_GET_RPI_CN: | |
1253 | case CMD_XMIT_ELS_RSP_CX: | |
1254 | case CMD_GET_RPI_CR: | |
1255 | case CMD_FCP_IWRITE_CR: | |
1256 | case CMD_FCP_IWRITE_CX: | |
1257 | case CMD_FCP_IREAD_CR: | |
1258 | case CMD_FCP_IREAD_CX: | |
1259 | case CMD_FCP_ICMND_CR: | |
1260 | case CMD_FCP_ICMND_CX: | |
f5603511 JS |
1261 | case CMD_FCP_TSEND_CX: |
1262 | case CMD_FCP_TRSP_CX: | |
1263 | case CMD_FCP_TRECEIVE_CX: | |
1264 | case CMD_FCP_AUTO_TRSP_CX: | |
dea3101e JB |
1265 | case CMD_ADAPTER_MSG: |
1266 | case CMD_ADAPTER_DUMP: | |
1267 | case CMD_XMIT_SEQUENCE64_CR: | |
1268 | case CMD_XMIT_SEQUENCE64_CX: | |
1269 | case CMD_XMIT_BCAST64_CN: | |
1270 | case CMD_XMIT_BCAST64_CX: | |
1271 | case CMD_ELS_REQUEST64_CR: | |
1272 | case CMD_ELS_REQUEST64_CX: | |
1273 | case CMD_FCP_IWRITE64_CR: | |
1274 | case CMD_FCP_IWRITE64_CX: | |
1275 | case CMD_FCP_IREAD64_CR: | |
1276 | case CMD_FCP_IREAD64_CX: | |
1277 | case CMD_FCP_ICMND64_CR: | |
1278 | case CMD_FCP_ICMND64_CX: | |
f5603511 JS |
1279 | case CMD_FCP_TSEND64_CX: |
1280 | case CMD_FCP_TRSP64_CX: | |
1281 | case CMD_FCP_TRECEIVE64_CX: | |
dea3101e JB |
1282 | case CMD_GEN_REQUEST64_CR: |
1283 | case CMD_GEN_REQUEST64_CX: | |
1284 | case CMD_XMIT_ELS_RSP64_CX: | |
da0436e9 JS |
1285 | case DSSCMD_IWRITE64_CR: |
1286 | case DSSCMD_IWRITE64_CX: | |
1287 | case DSSCMD_IREAD64_CR: | |
1288 | case DSSCMD_IREAD64_CX: | |
dea3101e JB |
1289 | type = LPFC_SOL_IOCB; |
1290 | break; | |
1291 | case CMD_ABORT_XRI_CN: | |
1292 | case CMD_ABORT_XRI_CX: | |
1293 | case CMD_CLOSE_XRI_CN: | |
1294 | case CMD_CLOSE_XRI_CX: | |
1295 | case CMD_XRI_ABORTED_CX: | |
1296 | case CMD_ABORT_MXRI64_CN: | |
6669f9bb | 1297 | case CMD_XMIT_BLS_RSP64_CX: |
dea3101e JB |
1298 | type = LPFC_ABORT_IOCB; |
1299 | break; | |
1300 | case CMD_RCV_SEQUENCE_CX: | |
1301 | case CMD_RCV_ELS_REQ_CX: | |
1302 | case CMD_RCV_SEQUENCE64_CX: | |
1303 | case CMD_RCV_ELS_REQ64_CX: | |
57127f15 | 1304 | case CMD_ASYNC_STATUS: |
ed957684 JS |
1305 | case CMD_IOCB_RCV_SEQ64_CX: |
1306 | case CMD_IOCB_RCV_ELS64_CX: | |
1307 | case CMD_IOCB_RCV_CONT64_CX: | |
3163f725 | 1308 | case CMD_IOCB_RET_XRI64_CX: |
dea3101e JB |
1309 | type = LPFC_UNSOL_IOCB; |
1310 | break; | |
3163f725 JS |
1311 | case CMD_IOCB_XMIT_MSEQ64_CR: |
1312 | case CMD_IOCB_XMIT_MSEQ64_CX: | |
1313 | case CMD_IOCB_RCV_SEQ_LIST64_CX: | |
1314 | case CMD_IOCB_RCV_ELS_LIST64_CX: | |
1315 | case CMD_IOCB_CLOSE_EXTENDED_CN: | |
1316 | case CMD_IOCB_ABORT_EXTENDED_CN: | |
1317 | case CMD_IOCB_RET_HBQE64_CN: | |
1318 | case CMD_IOCB_FCP_IBIDIR64_CR: | |
1319 | case CMD_IOCB_FCP_IBIDIR64_CX: | |
1320 | case CMD_IOCB_FCP_ITASKMGT64_CX: | |
1321 | case CMD_IOCB_LOGENTRY_CN: | |
1322 | case CMD_IOCB_LOGENTRY_ASYNC_CN: | |
1323 | printk("%s - Unhandled SLI-3 Command x%x\n", | |
cadbd4a5 | 1324 | __func__, iocb_cmnd); |
3163f725 JS |
1325 | type = LPFC_UNKNOWN_IOCB; |
1326 | break; | |
dea3101e JB |
1327 | default: |
1328 | type = LPFC_UNKNOWN_IOCB; | |
1329 | break; | |
1330 | } | |
1331 | ||
1332 | return type; | |
1333 | } | |
1334 | ||
e59058c4 | 1335 | /** |
3621a710 | 1336 | * lpfc_sli_ring_map - Issue config_ring mbox for all rings |
e59058c4 JS |
1337 | * @phba: Pointer to HBA context object. |
1338 | * | |
1339 | * This function is called from SLI initialization code | |
1340 | * to configure every ring of the HBA's SLI interface. The | |
1341 | * caller is not required to hold any lock. This function issues | |
1342 | * a config_ring mailbox command for each ring. | |
1343 | * This function returns zero if successful else returns a negative | |
1344 | * error code. | |
1345 | **/ | |
dea3101e | 1346 | static int |
ed957684 | 1347 | lpfc_sli_ring_map(struct lpfc_hba *phba) |
dea3101e JB |
1348 | { |
1349 | struct lpfc_sli *psli = &phba->sli; | |
ed957684 JS |
1350 | LPFC_MBOXQ_t *pmb; |
1351 | MAILBOX_t *pmbox; | |
1352 | int i, rc, ret = 0; | |
dea3101e | 1353 | |
ed957684 JS |
1354 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
1355 | if (!pmb) | |
1356 | return -ENOMEM; | |
04c68496 | 1357 | pmbox = &pmb->u.mb; |
ed957684 | 1358 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e | 1359 | for (i = 0; i < psli->num_rings; i++) { |
dea3101e JB |
1360 | lpfc_config_ring(phba, i, pmb); |
1361 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
1362 | if (rc != MBX_SUCCESS) { | |
92d7f7b0 | 1363 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 1364 | "0446 Adapter failed to init (%d), " |
dea3101e JB |
1365 | "mbxCmd x%x CFG_RING, mbxStatus x%x, " |
1366 | "ring %d\n", | |
e8b62011 JS |
1367 | rc, pmbox->mbxCommand, |
1368 | pmbox->mbxStatus, i); | |
2e0fef85 | 1369 | phba->link_state = LPFC_HBA_ERROR; |
ed957684 JS |
1370 | ret = -ENXIO; |
1371 | break; | |
dea3101e JB |
1372 | } |
1373 | } | |
ed957684 JS |
1374 | mempool_free(pmb, phba->mbox_mem_pool); |
1375 | return ret; | |
dea3101e JB |
1376 | } |
1377 | ||
e59058c4 | 1378 | /** |
3621a710 | 1379 | * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq |
e59058c4 JS |
1380 | * @phba: Pointer to HBA context object. |
1381 | * @pring: Pointer to driver SLI ring object. | |
1382 | * @piocb: Pointer to the driver iocb object. | |
1383 | * | |
1384 | * This function is called with hbalock held. The function adds the | |
1385 | * new iocb to txcmplq of the given ring. This function always returns | |
1386 | * 0. If this function is called for ELS ring, this function checks if | |
1387 | * there is a vport associated with the ELS command. This function also | |
1388 | * starts els_tmofunc timer if this is an ELS command. | |
1389 | **/ | |
dea3101e | 1390 | static int |
2e0fef85 JS |
1391 | lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
1392 | struct lpfc_iocbq *piocb) | |
dea3101e | 1393 | { |
1c2ba475 JT |
1394 | lockdep_assert_held(&phba->hbalock); |
1395 | ||
2319f847 | 1396 | BUG_ON(!piocb); |
22466da5 | 1397 | |
dea3101e | 1398 | list_add_tail(&piocb->list, &pring->txcmplq); |
4f2e66c6 | 1399 | piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ; |
2a9bf3d0 | 1400 | |
92d7f7b0 JS |
1401 | if ((unlikely(pring->ringno == LPFC_ELS_RING)) && |
1402 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
2319f847 MFO |
1403 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { |
1404 | BUG_ON(!piocb->vport); | |
1405 | if (!(piocb->vport->load_flag & FC_UNLOADING)) | |
1406 | mod_timer(&piocb->vport->els_tmofunc, | |
1407 | jiffies + | |
1408 | msecs_to_jiffies(1000 * (phba->fc_ratov << 1))); | |
1409 | } | |
dea3101e | 1410 | |
2e0fef85 | 1411 | return 0; |
dea3101e JB |
1412 | } |
1413 | ||
e59058c4 | 1414 | /** |
3621a710 | 1415 | * lpfc_sli_ringtx_get - Get first element of the txq |
e59058c4 JS |
1416 | * @phba: Pointer to HBA context object. |
1417 | * @pring: Pointer to driver SLI ring object. | |
1418 | * | |
1419 | * This function is called with hbalock held to get next | |
1420 | * iocb in txq of the given ring. If there is any iocb in | |
1421 | * the txq, the function returns first iocb in the list after | |
1422 | * removing the iocb from the list, else it returns NULL. | |
1423 | **/ | |
2a9bf3d0 | 1424 | struct lpfc_iocbq * |
2e0fef85 | 1425 | lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e | 1426 | { |
dea3101e JB |
1427 | struct lpfc_iocbq *cmd_iocb; |
1428 | ||
1c2ba475 JT |
1429 | lockdep_assert_held(&phba->hbalock); |
1430 | ||
858c9f6c | 1431 | list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list); |
2e0fef85 | 1432 | return cmd_iocb; |
dea3101e JB |
1433 | } |
1434 | ||
e59058c4 | 1435 | /** |
3621a710 | 1436 | * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring |
e59058c4 JS |
1437 | * @phba: Pointer to HBA context object. |
1438 | * @pring: Pointer to driver SLI ring object. | |
1439 | * | |
1440 | * This function is called with hbalock held and the caller must post the | |
1441 | * iocb without releasing the lock. If the caller releases the lock, | |
1442 | * iocb slot returned by the function is not guaranteed to be available. | |
1443 | * The function returns pointer to the next available iocb slot if there | |
1444 | * is available slot in the ring, else it returns NULL. | |
1445 | * If the get index of the ring is ahead of the put index, the function | |
1446 | * will post an error attention event to the worker thread to take the | |
1447 | * HBA to offline state. | |
1448 | **/ | |
dea3101e JB |
1449 | static IOCB_t * |
1450 | lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
1451 | { | |
34b02dcd | 1452 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
7e56aa25 | 1453 | uint32_t max_cmd_idx = pring->sli.sli3.numCiocb; |
1c2ba475 JT |
1454 | |
1455 | lockdep_assert_held(&phba->hbalock); | |
1456 | ||
7e56aa25 JS |
1457 | if ((pring->sli.sli3.next_cmdidx == pring->sli.sli3.cmdidx) && |
1458 | (++pring->sli.sli3.next_cmdidx >= max_cmd_idx)) | |
1459 | pring->sli.sli3.next_cmdidx = 0; | |
dea3101e | 1460 | |
7e56aa25 JS |
1461 | if (unlikely(pring->sli.sli3.local_getidx == |
1462 | pring->sli.sli3.next_cmdidx)) { | |
dea3101e | 1463 | |
7e56aa25 | 1464 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e | 1465 | |
7e56aa25 | 1466 | if (unlikely(pring->sli.sli3.local_getidx >= max_cmd_idx)) { |
dea3101e | 1467 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 1468 | "0315 Ring %d issue: portCmdGet %d " |
025dfdaf | 1469 | "is bigger than cmd ring %d\n", |
e8b62011 | 1470 | pring->ringno, |
7e56aa25 JS |
1471 | pring->sli.sli3.local_getidx, |
1472 | max_cmd_idx); | |
dea3101e | 1473 | |
2e0fef85 | 1474 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
1475 | /* |
1476 | * All error attention handlers are posted to | |
1477 | * worker thread | |
1478 | */ | |
1479 | phba->work_ha |= HA_ERATT; | |
1480 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 1481 | |
5e9d9b82 | 1482 | lpfc_worker_wake_up(phba); |
dea3101e JB |
1483 | |
1484 | return NULL; | |
1485 | } | |
1486 | ||
7e56aa25 | 1487 | if (pring->sli.sli3.local_getidx == pring->sli.sli3.next_cmdidx) |
dea3101e JB |
1488 | return NULL; |
1489 | } | |
1490 | ||
ed957684 | 1491 | return lpfc_cmd_iocb(phba, pring); |
dea3101e JB |
1492 | } |
1493 | ||
e59058c4 | 1494 | /** |
3621a710 | 1495 | * lpfc_sli_next_iotag - Get an iotag for the iocb |
e59058c4 JS |
1496 | * @phba: Pointer to HBA context object. |
1497 | * @iocbq: Pointer to driver iocb object. | |
1498 | * | |
1499 | * This function gets an iotag for the iocb. If there is no unused iotag and | |
1500 | * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup | |
1501 | * array and assigns a new iotag. | |
1502 | * The function returns the allocated iotag if successful, else returns zero. | |
1503 | * Zero is not a valid iotag. | |
1504 | * The caller is not required to hold any lock. | |
1505 | **/ | |
604a3e30 | 1506 | uint16_t |
2e0fef85 | 1507 | lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) |
dea3101e | 1508 | { |
2e0fef85 JS |
1509 | struct lpfc_iocbq **new_arr; |
1510 | struct lpfc_iocbq **old_arr; | |
604a3e30 JB |
1511 | size_t new_len; |
1512 | struct lpfc_sli *psli = &phba->sli; | |
1513 | uint16_t iotag; | |
dea3101e | 1514 | |
2e0fef85 | 1515 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1516 | iotag = psli->last_iotag; |
1517 | if(++iotag < psli->iocbq_lookup_len) { | |
1518 | psli->last_iotag = iotag; | |
1519 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1520 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1521 | iocbq->iotag = iotag; |
1522 | return iotag; | |
2e0fef85 | 1523 | } else if (psli->iocbq_lookup_len < (0xffff |
604a3e30 JB |
1524 | - LPFC_IOCBQ_LOOKUP_INCREMENT)) { |
1525 | new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT; | |
2e0fef85 JS |
1526 | spin_unlock_irq(&phba->hbalock); |
1527 | new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *), | |
604a3e30 JB |
1528 | GFP_KERNEL); |
1529 | if (new_arr) { | |
2e0fef85 | 1530 | spin_lock_irq(&phba->hbalock); |
604a3e30 JB |
1531 | old_arr = psli->iocbq_lookup; |
1532 | if (new_len <= psli->iocbq_lookup_len) { | |
1533 | /* highly unprobable case */ | |
1534 | kfree(new_arr); | |
1535 | iotag = psli->last_iotag; | |
1536 | if(++iotag < psli->iocbq_lookup_len) { | |
1537 | psli->last_iotag = iotag; | |
1538 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1539 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1540 | iocbq->iotag = iotag; |
1541 | return iotag; | |
1542 | } | |
2e0fef85 | 1543 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1544 | return 0; |
1545 | } | |
1546 | if (psli->iocbq_lookup) | |
1547 | memcpy(new_arr, old_arr, | |
1548 | ((psli->last_iotag + 1) * | |
311464ec | 1549 | sizeof (struct lpfc_iocbq *))); |
604a3e30 JB |
1550 | psli->iocbq_lookup = new_arr; |
1551 | psli->iocbq_lookup_len = new_len; | |
1552 | psli->last_iotag = iotag; | |
1553 | psli->iocbq_lookup[iotag] = iocbq; | |
2e0fef85 | 1554 | spin_unlock_irq(&phba->hbalock); |
604a3e30 JB |
1555 | iocbq->iotag = iotag; |
1556 | kfree(old_arr); | |
1557 | return iotag; | |
1558 | } | |
8f6d98d2 | 1559 | } else |
2e0fef85 | 1560 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 1561 | |
bc73905a | 1562 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
1563 | "0318 Failed to allocate IOTAG.last IOTAG is %d\n", |
1564 | psli->last_iotag); | |
dea3101e | 1565 | |
604a3e30 | 1566 | return 0; |
dea3101e JB |
1567 | } |
1568 | ||
e59058c4 | 1569 | /** |
3621a710 | 1570 | * lpfc_sli_submit_iocb - Submit an iocb to the firmware |
e59058c4 JS |
1571 | * @phba: Pointer to HBA context object. |
1572 | * @pring: Pointer to driver SLI ring object. | |
1573 | * @iocb: Pointer to iocb slot in the ring. | |
1574 | * @nextiocb: Pointer to driver iocb object which need to be | |
1575 | * posted to firmware. | |
1576 | * | |
1577 | * This function is called with hbalock held to post a new iocb to | |
1578 | * the firmware. This function copies the new iocb to ring iocb slot and | |
1579 | * updates the ring pointers. It adds the new iocb to txcmplq if there is | |
1580 | * a completion call back for this iocb else the function will free the | |
1581 | * iocb object. | |
1582 | **/ | |
dea3101e JB |
1583 | static void |
1584 | lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
1585 | IOCB_t *iocb, struct lpfc_iocbq *nextiocb) | |
1586 | { | |
1c2ba475 | 1587 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 1588 | /* |
604a3e30 | 1589 | * Set up an iotag |
dea3101e | 1590 | */ |
604a3e30 | 1591 | nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0; |
dea3101e | 1592 | |
e2a0a9d6 | 1593 | |
a58cbd52 JS |
1594 | if (pring->ringno == LPFC_ELS_RING) { |
1595 | lpfc_debugfs_slow_ring_trc(phba, | |
1596 | "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
1597 | *(((uint32_t *) &nextiocb->iocb) + 4), | |
1598 | *(((uint32_t *) &nextiocb->iocb) + 6), | |
1599 | *(((uint32_t *) &nextiocb->iocb) + 7)); | |
1600 | } | |
1601 | ||
dea3101e JB |
1602 | /* |
1603 | * Issue iocb command to adapter | |
1604 | */ | |
92d7f7b0 | 1605 | lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size); |
dea3101e JB |
1606 | wmb(); |
1607 | pring->stats.iocb_cmd++; | |
1608 | ||
1609 | /* | |
1610 | * If there is no completion routine to call, we can release the | |
1611 | * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF, | |
1612 | * that have no rsp ring completion, iocb_cmpl MUST be NULL. | |
1613 | */ | |
1614 | if (nextiocb->iocb_cmpl) | |
1615 | lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb); | |
604a3e30 | 1616 | else |
2e0fef85 | 1617 | __lpfc_sli_release_iocbq(phba, nextiocb); |
dea3101e JB |
1618 | |
1619 | /* | |
1620 | * Let the HBA know what IOCB slot will be the next one the | |
1621 | * driver will put a command into. | |
1622 | */ | |
7e56aa25 JS |
1623 | pring->sli.sli3.cmdidx = pring->sli.sli3.next_cmdidx; |
1624 | writel(pring->sli.sli3.cmdidx, &phba->host_gp[pring->ringno].cmdPutInx); | |
dea3101e JB |
1625 | } |
1626 | ||
e59058c4 | 1627 | /** |
3621a710 | 1628 | * lpfc_sli_update_full_ring - Update the chip attention register |
e59058c4 JS |
1629 | * @phba: Pointer to HBA context object. |
1630 | * @pring: Pointer to driver SLI ring object. | |
1631 | * | |
1632 | * The caller is not required to hold any lock for calling this function. | |
1633 | * This function updates the chip attention bits for the ring to inform firmware | |
1634 | * that there are pending work to be done for this ring and requests an | |
1635 | * interrupt when there is space available in the ring. This function is | |
1636 | * called when the driver is unable to post more iocbs to the ring due | |
1637 | * to unavailability of space in the ring. | |
1638 | **/ | |
dea3101e | 1639 | static void |
2e0fef85 | 1640 | lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1641 | { |
1642 | int ringno = pring->ringno; | |
1643 | ||
1644 | pring->flag |= LPFC_CALL_RING_AVAILABLE; | |
1645 | ||
1646 | wmb(); | |
1647 | ||
1648 | /* | |
1649 | * Set ring 'ringno' to SET R0CE_REQ in Chip Att register. | |
1650 | * The HBA will tell us when an IOCB entry is available. | |
1651 | */ | |
1652 | writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr); | |
1653 | readl(phba->CAregaddr); /* flush */ | |
1654 | ||
1655 | pring->stats.iocb_cmd_full++; | |
1656 | } | |
1657 | ||
e59058c4 | 1658 | /** |
3621a710 | 1659 | * lpfc_sli_update_ring - Update chip attention register |
e59058c4 JS |
1660 | * @phba: Pointer to HBA context object. |
1661 | * @pring: Pointer to driver SLI ring object. | |
1662 | * | |
1663 | * This function updates the chip attention register bit for the | |
1664 | * given ring to inform HBA that there is more work to be done | |
1665 | * in this ring. The caller is not required to hold any lock. | |
1666 | **/ | |
dea3101e | 1667 | static void |
2e0fef85 | 1668 | lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1669 | { |
1670 | int ringno = pring->ringno; | |
1671 | ||
1672 | /* | |
1673 | * Tell the HBA that there is work to do in this ring. | |
1674 | */ | |
34b02dcd JS |
1675 | if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) { |
1676 | wmb(); | |
1677 | writel(CA_R0ATT << (ringno * 4), phba->CAregaddr); | |
1678 | readl(phba->CAregaddr); /* flush */ | |
1679 | } | |
dea3101e JB |
1680 | } |
1681 | ||
e59058c4 | 1682 | /** |
3621a710 | 1683 | * lpfc_sli_resume_iocb - Process iocbs in the txq |
e59058c4 JS |
1684 | * @phba: Pointer to HBA context object. |
1685 | * @pring: Pointer to driver SLI ring object. | |
1686 | * | |
1687 | * This function is called with hbalock held to post pending iocbs | |
1688 | * in the txq to the firmware. This function is called when driver | |
1689 | * detects space available in the ring. | |
1690 | **/ | |
dea3101e | 1691 | static void |
2e0fef85 | 1692 | lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
dea3101e JB |
1693 | { |
1694 | IOCB_t *iocb; | |
1695 | struct lpfc_iocbq *nextiocb; | |
1696 | ||
1c2ba475 JT |
1697 | lockdep_assert_held(&phba->hbalock); |
1698 | ||
dea3101e JB |
1699 | /* |
1700 | * Check to see if: | |
1701 | * (a) there is anything on the txq to send | |
1702 | * (b) link is up | |
1703 | * (c) link attention events can be processed (fcp ring only) | |
1704 | * (d) IOCB processing is not blocked by the outstanding mbox command. | |
1705 | */ | |
0e9bb8d7 JS |
1706 | |
1707 | if (lpfc_is_link_up(phba) && | |
1708 | (!list_empty(&pring->txq)) && | |
895427bd | 1709 | (pring->ringno != LPFC_FCP_RING || |
0b727fea | 1710 | phba->sli.sli_flag & LPFC_PROCESS_LA)) { |
dea3101e JB |
1711 | |
1712 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && | |
1713 | (nextiocb = lpfc_sli_ringtx_get(phba, pring))) | |
1714 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
1715 | ||
1716 | if (iocb) | |
1717 | lpfc_sli_update_ring(phba, pring); | |
1718 | else | |
1719 | lpfc_sli_update_full_ring(phba, pring); | |
1720 | } | |
1721 | ||
1722 | return; | |
1723 | } | |
1724 | ||
e59058c4 | 1725 | /** |
3621a710 | 1726 | * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ |
e59058c4 JS |
1727 | * @phba: Pointer to HBA context object. |
1728 | * @hbqno: HBQ number. | |
1729 | * | |
1730 | * This function is called with hbalock held to get the next | |
1731 | * available slot for the given HBQ. If there is free slot | |
1732 | * available for the HBQ it will return pointer to the next available | |
1733 | * HBQ entry else it will return NULL. | |
1734 | **/ | |
a6ababd2 | 1735 | static struct lpfc_hbq_entry * |
ed957684 JS |
1736 | lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) |
1737 | { | |
1738 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1739 | ||
1c2ba475 JT |
1740 | lockdep_assert_held(&phba->hbalock); |
1741 | ||
ed957684 JS |
1742 | if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx && |
1743 | ++hbqp->next_hbqPutIdx >= hbqp->entry_count) | |
1744 | hbqp->next_hbqPutIdx = 0; | |
1745 | ||
1746 | if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) { | |
92d7f7b0 | 1747 | uint32_t raw_index = phba->hbq_get[hbqno]; |
ed957684 JS |
1748 | uint32_t getidx = le32_to_cpu(raw_index); |
1749 | ||
1750 | hbqp->local_hbqGetIdx = getidx; | |
1751 | ||
1752 | if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) { | |
1753 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 1754 | LOG_SLI | LOG_VPORT, |
e8b62011 | 1755 | "1802 HBQ %d: local_hbqGetIdx " |
ed957684 | 1756 | "%u is > than hbqp->entry_count %u\n", |
e8b62011 | 1757 | hbqno, hbqp->local_hbqGetIdx, |
ed957684 JS |
1758 | hbqp->entry_count); |
1759 | ||
1760 | phba->link_state = LPFC_HBA_ERROR; | |
1761 | return NULL; | |
1762 | } | |
1763 | ||
1764 | if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx) | |
1765 | return NULL; | |
1766 | } | |
1767 | ||
51ef4c26 JS |
1768 | return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt + |
1769 | hbqp->hbqPutIdx; | |
ed957684 JS |
1770 | } |
1771 | ||
e59058c4 | 1772 | /** |
3621a710 | 1773 | * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers |
e59058c4 JS |
1774 | * @phba: Pointer to HBA context object. |
1775 | * | |
1776 | * This function is called with no lock held to free all the | |
1777 | * hbq buffers while uninitializing the SLI interface. It also | |
1778 | * frees the HBQ buffers returned by the firmware but not yet | |
1779 | * processed by the upper layers. | |
1780 | **/ | |
ed957684 JS |
1781 | void |
1782 | lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) | |
1783 | { | |
92d7f7b0 JS |
1784 | struct lpfc_dmabuf *dmabuf, *next_dmabuf; |
1785 | struct hbq_dmabuf *hbq_buf; | |
3163f725 | 1786 | unsigned long flags; |
51ef4c26 | 1787 | int i, hbq_count; |
ed957684 | 1788 | |
51ef4c26 | 1789 | hbq_count = lpfc_sli_hbq_count(); |
ed957684 | 1790 | /* Return all memory used by all HBQs */ |
3163f725 | 1791 | spin_lock_irqsave(&phba->hbalock, flags); |
51ef4c26 JS |
1792 | for (i = 0; i < hbq_count; ++i) { |
1793 | list_for_each_entry_safe(dmabuf, next_dmabuf, | |
1794 | &phba->hbqs[i].hbq_buffer_list, list) { | |
1795 | hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf); | |
1796 | list_del(&hbq_buf->dbuf.list); | |
1797 | (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); | |
1798 | } | |
a8adb832 | 1799 | phba->hbqs[i].buffer_count = 0; |
ed957684 | 1800 | } |
3163f725 JS |
1801 | |
1802 | /* Mark the HBQs not in use */ | |
1803 | phba->hbq_in_use = 0; | |
1804 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
ed957684 JS |
1805 | } |
1806 | ||
e59058c4 | 1807 | /** |
3621a710 | 1808 | * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware |
e59058c4 JS |
1809 | * @phba: Pointer to HBA context object. |
1810 | * @hbqno: HBQ number. | |
1811 | * @hbq_buf: Pointer to HBQ buffer. | |
1812 | * | |
1813 | * This function is called with the hbalock held to post a | |
1814 | * hbq buffer to the firmware. If the function finds an empty | |
1815 | * slot in the HBQ, it will post the buffer. The function will return | |
1816 | * pointer to the hbq entry if it successfully post the buffer | |
1817 | * else it will return NULL. | |
1818 | **/ | |
3772a991 | 1819 | static int |
ed957684 | 1820 | lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno, |
92d7f7b0 | 1821 | struct hbq_dmabuf *hbq_buf) |
3772a991 | 1822 | { |
1c2ba475 | 1823 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
1824 | return phba->lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buf); |
1825 | } | |
1826 | ||
1827 | /** | |
1828 | * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware | |
1829 | * @phba: Pointer to HBA context object. | |
1830 | * @hbqno: HBQ number. | |
1831 | * @hbq_buf: Pointer to HBQ buffer. | |
1832 | * | |
1833 | * This function is called with the hbalock held to post a hbq buffer to the | |
1834 | * firmware. If the function finds an empty slot in the HBQ, it will post the | |
1835 | * buffer and place it on the hbq_buffer_list. The function will return zero if | |
1836 | * it successfully post the buffer else it will return an error. | |
1837 | **/ | |
1838 | static int | |
1839 | lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba *phba, uint32_t hbqno, | |
1840 | struct hbq_dmabuf *hbq_buf) | |
ed957684 JS |
1841 | { |
1842 | struct lpfc_hbq_entry *hbqe; | |
92d7f7b0 | 1843 | dma_addr_t physaddr = hbq_buf->dbuf.phys; |
ed957684 | 1844 | |
1c2ba475 | 1845 | lockdep_assert_held(&phba->hbalock); |
ed957684 JS |
1846 | /* Get next HBQ entry slot to use */ |
1847 | hbqe = lpfc_sli_next_hbq_slot(phba, hbqno); | |
1848 | if (hbqe) { | |
1849 | struct hbq_s *hbqp = &phba->hbqs[hbqno]; | |
1850 | ||
92d7f7b0 JS |
1851 | hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr)); |
1852 | hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr)); | |
895427bd | 1853 | hbqe->bde.tus.f.bdeSize = hbq_buf->total_size; |
ed957684 | 1854 | hbqe->bde.tus.f.bdeFlags = 0; |
92d7f7b0 JS |
1855 | hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w); |
1856 | hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag); | |
1857 | /* Sync SLIM */ | |
ed957684 JS |
1858 | hbqp->hbqPutIdx = hbqp->next_hbqPutIdx; |
1859 | writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno); | |
92d7f7b0 | 1860 | /* flush */ |
ed957684 | 1861 | readl(phba->hbq_put + hbqno); |
51ef4c26 | 1862 | list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list); |
3772a991 JS |
1863 | return 0; |
1864 | } else | |
1865 | return -ENOMEM; | |
ed957684 JS |
1866 | } |
1867 | ||
4f774513 JS |
1868 | /** |
1869 | * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware | |
1870 | * @phba: Pointer to HBA context object. | |
1871 | * @hbqno: HBQ number. | |
1872 | * @hbq_buf: Pointer to HBQ buffer. | |
1873 | * | |
1874 | * This function is called with the hbalock held to post an RQE to the SLI4 | |
1875 | * firmware. If able to post the RQE to the RQ it will queue the hbq entry to | |
1876 | * the hbq_buffer_list and return zero, otherwise it will return an error. | |
1877 | **/ | |
1878 | static int | |
1879 | lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba *phba, uint32_t hbqno, | |
1880 | struct hbq_dmabuf *hbq_buf) | |
1881 | { | |
1882 | int rc; | |
1883 | struct lpfc_rqe hrqe; | |
1884 | struct lpfc_rqe drqe; | |
895427bd JS |
1885 | struct lpfc_queue *hrq; |
1886 | struct lpfc_queue *drq; | |
1887 | ||
1888 | if (hbqno != LPFC_ELS_HBQ) | |
1889 | return 1; | |
1890 | hrq = phba->sli4_hba.hdr_rq; | |
1891 | drq = phba->sli4_hba.dat_rq; | |
4f774513 | 1892 | |
1c2ba475 | 1893 | lockdep_assert_held(&phba->hbalock); |
4f774513 JS |
1894 | hrqe.address_lo = putPaddrLow(hbq_buf->hbuf.phys); |
1895 | hrqe.address_hi = putPaddrHigh(hbq_buf->hbuf.phys); | |
1896 | drqe.address_lo = putPaddrLow(hbq_buf->dbuf.phys); | |
1897 | drqe.address_hi = putPaddrHigh(hbq_buf->dbuf.phys); | |
895427bd | 1898 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); |
4f774513 JS |
1899 | if (rc < 0) |
1900 | return rc; | |
895427bd | 1901 | hbq_buf->tag = (rc | (hbqno << 16)); |
4f774513 JS |
1902 | list_add_tail(&hbq_buf->dbuf.list, &phba->hbqs[hbqno].hbq_buffer_list); |
1903 | return 0; | |
1904 | } | |
1905 | ||
e59058c4 | 1906 | /* HBQ for ELS and CT traffic. */ |
92d7f7b0 JS |
1907 | static struct lpfc_hbq_init lpfc_els_hbq = { |
1908 | .rn = 1, | |
def9c7a9 | 1909 | .entry_count = 256, |
92d7f7b0 JS |
1910 | .mask_count = 0, |
1911 | .profile = 0, | |
51ef4c26 | 1912 | .ring_mask = (1 << LPFC_ELS_RING), |
92d7f7b0 | 1913 | .buffer_count = 0, |
a257bf90 JS |
1914 | .init_count = 40, |
1915 | .add_count = 40, | |
92d7f7b0 | 1916 | }; |
ed957684 | 1917 | |
e59058c4 | 1918 | /* Array of HBQs */ |
78b2d852 | 1919 | struct lpfc_hbq_init *lpfc_hbq_defs[] = { |
92d7f7b0 JS |
1920 | &lpfc_els_hbq, |
1921 | }; | |
ed957684 | 1922 | |
e59058c4 | 1923 | /** |
3621a710 | 1924 | * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ |
e59058c4 JS |
1925 | * @phba: Pointer to HBA context object. |
1926 | * @hbqno: HBQ number. | |
1927 | * @count: Number of HBQ buffers to be posted. | |
1928 | * | |
d7c255b2 JS |
1929 | * This function is called with no lock held to post more hbq buffers to the |
1930 | * given HBQ. The function returns the number of HBQ buffers successfully | |
1931 | * posted. | |
e59058c4 | 1932 | **/ |
311464ec | 1933 | static int |
92d7f7b0 | 1934 | lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) |
ed957684 | 1935 | { |
d7c255b2 | 1936 | uint32_t i, posted = 0; |
3163f725 | 1937 | unsigned long flags; |
92d7f7b0 | 1938 | struct hbq_dmabuf *hbq_buffer; |
d7c255b2 | 1939 | LIST_HEAD(hbq_buf_list); |
eafe1df9 | 1940 | if (!phba->hbqs[hbqno].hbq_alloc_buffer) |
51ef4c26 | 1941 | return 0; |
51ef4c26 | 1942 | |
d7c255b2 JS |
1943 | if ((phba->hbqs[hbqno].buffer_count + count) > |
1944 | lpfc_hbq_defs[hbqno]->entry_count) | |
1945 | count = lpfc_hbq_defs[hbqno]->entry_count - | |
1946 | phba->hbqs[hbqno].buffer_count; | |
1947 | if (!count) | |
1948 | return 0; | |
1949 | /* Allocate HBQ entries */ | |
1950 | for (i = 0; i < count; i++) { | |
1951 | hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); | |
1952 | if (!hbq_buffer) | |
1953 | break; | |
1954 | list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list); | |
1955 | } | |
3163f725 JS |
1956 | /* Check whether HBQ is still in use */ |
1957 | spin_lock_irqsave(&phba->hbalock, flags); | |
eafe1df9 | 1958 | if (!phba->hbq_in_use) |
d7c255b2 JS |
1959 | goto err; |
1960 | while (!list_empty(&hbq_buf_list)) { | |
1961 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
1962 | dbuf.list); | |
1963 | hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count | | |
1964 | (hbqno << 16)); | |
3772a991 | 1965 | if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) { |
a8adb832 | 1966 | phba->hbqs[hbqno].buffer_count++; |
d7c255b2 JS |
1967 | posted++; |
1968 | } else | |
51ef4c26 | 1969 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 | 1970 | } |
3163f725 | 1971 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
1972 | return posted; |
1973 | err: | |
eafe1df9 | 1974 | spin_unlock_irqrestore(&phba->hbalock, flags); |
d7c255b2 JS |
1975 | while (!list_empty(&hbq_buf_list)) { |
1976 | list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf, | |
1977 | dbuf.list); | |
1978 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); | |
1979 | } | |
1980 | return 0; | |
ed957684 JS |
1981 | } |
1982 | ||
e59058c4 | 1983 | /** |
3621a710 | 1984 | * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware |
e59058c4 JS |
1985 | * @phba: Pointer to HBA context object. |
1986 | * @qno: HBQ number. | |
1987 | * | |
1988 | * This function posts more buffers to the HBQ. This function | |
d7c255b2 JS |
1989 | * is called with no lock held. The function returns the number of HBQ entries |
1990 | * successfully allocated. | |
e59058c4 | 1991 | **/ |
92d7f7b0 JS |
1992 | int |
1993 | lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) | |
ed957684 | 1994 | { |
def9c7a9 JS |
1995 | if (phba->sli_rev == LPFC_SLI_REV4) |
1996 | return 0; | |
1997 | else | |
1998 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
1999 | lpfc_hbq_defs[qno]->add_count); | |
92d7f7b0 | 2000 | } |
ed957684 | 2001 | |
e59058c4 | 2002 | /** |
3621a710 | 2003 | * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ |
e59058c4 JS |
2004 | * @phba: Pointer to HBA context object. |
2005 | * @qno: HBQ queue number. | |
2006 | * | |
2007 | * This function is called from SLI initialization code path with | |
2008 | * no lock held to post initial HBQ buffers to firmware. The | |
d7c255b2 | 2009 | * function returns the number of HBQ entries successfully allocated. |
e59058c4 | 2010 | **/ |
a6ababd2 | 2011 | static int |
92d7f7b0 JS |
2012 | lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) |
2013 | { | |
def9c7a9 JS |
2014 | if (phba->sli_rev == LPFC_SLI_REV4) |
2015 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
73d91e50 | 2016 | lpfc_hbq_defs[qno]->entry_count); |
def9c7a9 JS |
2017 | else |
2018 | return lpfc_sli_hbqbuf_fill_hbqs(phba, qno, | |
2019 | lpfc_hbq_defs[qno]->init_count); | |
ed957684 JS |
2020 | } |
2021 | ||
3772a991 JS |
2022 | /** |
2023 | * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list | |
2024 | * @phba: Pointer to HBA context object. | |
2025 | * @hbqno: HBQ number. | |
2026 | * | |
2027 | * This function removes the first hbq buffer on an hbq list and returns a | |
2028 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2029 | **/ | |
2030 | static struct hbq_dmabuf * | |
2031 | lpfc_sli_hbqbuf_get(struct list_head *rb_list) | |
2032 | { | |
2033 | struct lpfc_dmabuf *d_buf; | |
2034 | ||
2035 | list_remove_head(rb_list, d_buf, struct lpfc_dmabuf, list); | |
2036 | if (!d_buf) | |
2037 | return NULL; | |
2038 | return container_of(d_buf, struct hbq_dmabuf, dbuf); | |
2039 | } | |
2040 | ||
2d7dbc4c JS |
2041 | /** |
2042 | * lpfc_sli_rqbuf_get - Remove the first dma buffer off of an RQ list | |
2043 | * @phba: Pointer to HBA context object. | |
2044 | * @hbqno: HBQ number. | |
2045 | * | |
2046 | * This function removes the first RQ buffer on an RQ buffer list and returns a | |
2047 | * pointer to that buffer. If it finds no buffers on the list it returns NULL. | |
2048 | **/ | |
2049 | static struct rqb_dmabuf * | |
2050 | lpfc_sli_rqbuf_get(struct lpfc_hba *phba, struct lpfc_queue *hrq) | |
2051 | { | |
2052 | struct lpfc_dmabuf *h_buf; | |
2053 | struct lpfc_rqb *rqbp; | |
2054 | ||
2055 | rqbp = hrq->rqbp; | |
2056 | list_remove_head(&rqbp->rqb_buffer_list, h_buf, | |
2057 | struct lpfc_dmabuf, list); | |
2058 | if (!h_buf) | |
2059 | return NULL; | |
2060 | rqbp->buffer_count--; | |
2061 | return container_of(h_buf, struct rqb_dmabuf, hbuf); | |
2062 | } | |
2063 | ||
e59058c4 | 2064 | /** |
3621a710 | 2065 | * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag |
e59058c4 JS |
2066 | * @phba: Pointer to HBA context object. |
2067 | * @tag: Tag of the hbq buffer. | |
2068 | * | |
71892418 SH |
2069 | * This function searches for the hbq buffer associated with the given tag in |
2070 | * the hbq buffer list. If it finds the hbq buffer, it returns the hbq_buffer | |
2071 | * otherwise it returns NULL. | |
e59058c4 | 2072 | **/ |
a6ababd2 | 2073 | static struct hbq_dmabuf * |
92d7f7b0 | 2074 | lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) |
ed957684 | 2075 | { |
92d7f7b0 JS |
2076 | struct lpfc_dmabuf *d_buf; |
2077 | struct hbq_dmabuf *hbq_buf; | |
51ef4c26 JS |
2078 | uint32_t hbqno; |
2079 | ||
2080 | hbqno = tag >> 16; | |
a0a74e45 | 2081 | if (hbqno >= LPFC_MAX_HBQS) |
51ef4c26 | 2082 | return NULL; |
ed957684 | 2083 | |
3772a991 | 2084 | spin_lock_irq(&phba->hbalock); |
51ef4c26 | 2085 | list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) { |
92d7f7b0 | 2086 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
51ef4c26 | 2087 | if (hbq_buf->tag == tag) { |
3772a991 | 2088 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2089 | return hbq_buf; |
ed957684 JS |
2090 | } |
2091 | } | |
3772a991 | 2092 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 2093 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, |
e8b62011 | 2094 | "1803 Bad hbq tag. Data: x%x x%x\n", |
a8adb832 | 2095 | tag, phba->hbqs[tag >> 16].buffer_count); |
92d7f7b0 | 2096 | return NULL; |
ed957684 JS |
2097 | } |
2098 | ||
e59058c4 | 2099 | /** |
3621a710 | 2100 | * lpfc_sli_free_hbq - Give back the hbq buffer to firmware |
e59058c4 JS |
2101 | * @phba: Pointer to HBA context object. |
2102 | * @hbq_buffer: Pointer to HBQ buffer. | |
2103 | * | |
2104 | * This function is called with hbalock. This function gives back | |
2105 | * the hbq buffer to firmware. If the HBQ does not have space to | |
2106 | * post the buffer, it will free the buffer. | |
2107 | **/ | |
ed957684 | 2108 | void |
51ef4c26 | 2109 | lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer) |
ed957684 JS |
2110 | { |
2111 | uint32_t hbqno; | |
2112 | ||
51ef4c26 JS |
2113 | if (hbq_buffer) { |
2114 | hbqno = hbq_buffer->tag >> 16; | |
3772a991 | 2115 | if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) |
51ef4c26 | 2116 | (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); |
ed957684 JS |
2117 | } |
2118 | } | |
2119 | ||
e59058c4 | 2120 | /** |
3621a710 | 2121 | * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox |
e59058c4 JS |
2122 | * @mbxCommand: mailbox command code. |
2123 | * | |
2124 | * This function is called by the mailbox event handler function to verify | |
2125 | * that the completed mailbox command is a legitimate mailbox command. If the | |
2126 | * completed mailbox is not known to the function, it will return MBX_SHUTDOWN | |
2127 | * and the mailbox event handler will take the HBA offline. | |
2128 | **/ | |
dea3101e JB |
2129 | static int |
2130 | lpfc_sli_chk_mbx_command(uint8_t mbxCommand) | |
2131 | { | |
2132 | uint8_t ret; | |
2133 | ||
2134 | switch (mbxCommand) { | |
2135 | case MBX_LOAD_SM: | |
2136 | case MBX_READ_NV: | |
2137 | case MBX_WRITE_NV: | |
a8adb832 | 2138 | case MBX_WRITE_VPARMS: |
dea3101e JB |
2139 | case MBX_RUN_BIU_DIAG: |
2140 | case MBX_INIT_LINK: | |
2141 | case MBX_DOWN_LINK: | |
2142 | case MBX_CONFIG_LINK: | |
2143 | case MBX_CONFIG_RING: | |
2144 | case MBX_RESET_RING: | |
2145 | case MBX_READ_CONFIG: | |
2146 | case MBX_READ_RCONFIG: | |
2147 | case MBX_READ_SPARM: | |
2148 | case MBX_READ_STATUS: | |
2149 | case MBX_READ_RPI: | |
2150 | case MBX_READ_XRI: | |
2151 | case MBX_READ_REV: | |
2152 | case MBX_READ_LNK_STAT: | |
2153 | case MBX_REG_LOGIN: | |
2154 | case MBX_UNREG_LOGIN: | |
dea3101e JB |
2155 | case MBX_CLEAR_LA: |
2156 | case MBX_DUMP_MEMORY: | |
2157 | case MBX_DUMP_CONTEXT: | |
2158 | case MBX_RUN_DIAGS: | |
2159 | case MBX_RESTART: | |
2160 | case MBX_UPDATE_CFG: | |
2161 | case MBX_DOWN_LOAD: | |
2162 | case MBX_DEL_LD_ENTRY: | |
2163 | case MBX_RUN_PROGRAM: | |
2164 | case MBX_SET_MASK: | |
09372820 | 2165 | case MBX_SET_VARIABLE: |
dea3101e | 2166 | case MBX_UNREG_D_ID: |
41415862 | 2167 | case MBX_KILL_BOARD: |
dea3101e | 2168 | case MBX_CONFIG_FARP: |
41415862 | 2169 | case MBX_BEACON: |
dea3101e JB |
2170 | case MBX_LOAD_AREA: |
2171 | case MBX_RUN_BIU_DIAG64: | |
2172 | case MBX_CONFIG_PORT: | |
2173 | case MBX_READ_SPARM64: | |
2174 | case MBX_READ_RPI64: | |
2175 | case MBX_REG_LOGIN64: | |
76a95d75 | 2176 | case MBX_READ_TOPOLOGY: |
09372820 | 2177 | case MBX_WRITE_WWN: |
dea3101e JB |
2178 | case MBX_SET_DEBUG: |
2179 | case MBX_LOAD_EXP_ROM: | |
57127f15 | 2180 | case MBX_ASYNCEVT_ENABLE: |
92d7f7b0 JS |
2181 | case MBX_REG_VPI: |
2182 | case MBX_UNREG_VPI: | |
858c9f6c | 2183 | case MBX_HEARTBEAT: |
84774a4d JS |
2184 | case MBX_PORT_CAPABILITIES: |
2185 | case MBX_PORT_IOV_CONTROL: | |
04c68496 JS |
2186 | case MBX_SLI4_CONFIG: |
2187 | case MBX_SLI4_REQ_FTRS: | |
2188 | case MBX_REG_FCFI: | |
2189 | case MBX_UNREG_FCFI: | |
2190 | case MBX_REG_VFI: | |
2191 | case MBX_UNREG_VFI: | |
2192 | case MBX_INIT_VPI: | |
2193 | case MBX_INIT_VFI: | |
2194 | case MBX_RESUME_RPI: | |
c7495937 JS |
2195 | case MBX_READ_EVENT_LOG_STATUS: |
2196 | case MBX_READ_EVENT_LOG: | |
dcf2a4e0 JS |
2197 | case MBX_SECURITY_MGMT: |
2198 | case MBX_AUTH_PORT: | |
940eb687 | 2199 | case MBX_ACCESS_VDATA: |
dea3101e JB |
2200 | ret = mbxCommand; |
2201 | break; | |
2202 | default: | |
2203 | ret = MBX_SHUTDOWN; | |
2204 | break; | |
2205 | } | |
2e0fef85 | 2206 | return ret; |
dea3101e | 2207 | } |
e59058c4 JS |
2208 | |
2209 | /** | |
3621a710 | 2210 | * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler |
e59058c4 JS |
2211 | * @phba: Pointer to HBA context object. |
2212 | * @pmboxq: Pointer to mailbox command. | |
2213 | * | |
2214 | * This is completion handler function for mailbox commands issued from | |
2215 | * lpfc_sli_issue_mbox_wait function. This function is called by the | |
2216 | * mailbox event handler function with no lock held. This function | |
2217 | * will wake up thread waiting on the wait queue pointed by context1 | |
2218 | * of the mailbox. | |
2219 | **/ | |
04c68496 | 2220 | void |
2e0fef85 | 2221 | lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq) |
dea3101e JB |
2222 | { |
2223 | wait_queue_head_t *pdone_q; | |
858c9f6c | 2224 | unsigned long drvr_flag; |
dea3101e JB |
2225 | |
2226 | /* | |
2227 | * If pdone_q is empty, the driver thread gave up waiting and | |
2228 | * continued running. | |
2229 | */ | |
7054a606 | 2230 | pmboxq->mbox_flag |= LPFC_MBX_WAKE; |
858c9f6c | 2231 | spin_lock_irqsave(&phba->hbalock, drvr_flag); |
dea3101e JB |
2232 | pdone_q = (wait_queue_head_t *) pmboxq->context1; |
2233 | if (pdone_q) | |
2234 | wake_up_interruptible(pdone_q); | |
858c9f6c | 2235 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
2236 | return; |
2237 | } | |
2238 | ||
e59058c4 JS |
2239 | |
2240 | /** | |
3621a710 | 2241 | * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler |
e59058c4 JS |
2242 | * @phba: Pointer to HBA context object. |
2243 | * @pmb: Pointer to mailbox object. | |
2244 | * | |
2245 | * This function is the default mailbox completion handler. It | |
2246 | * frees the memory resources associated with the completed mailbox | |
2247 | * command. If the completed command is a REG_LOGIN mailbox command, | |
2248 | * this function will issue a UREG_LOGIN to re-claim the RPI. | |
2249 | **/ | |
dea3101e | 2250 | void |
2e0fef85 | 2251 | lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) |
dea3101e | 2252 | { |
d439d286 | 2253 | struct lpfc_vport *vport = pmb->vport; |
dea3101e | 2254 | struct lpfc_dmabuf *mp; |
d439d286 | 2255 | struct lpfc_nodelist *ndlp; |
5af5eee7 | 2256 | struct Scsi_Host *shost; |
04c68496 | 2257 | uint16_t rpi, vpi; |
7054a606 JS |
2258 | int rc; |
2259 | ||
dea3101e | 2260 | mp = (struct lpfc_dmabuf *) (pmb->context1); |
7054a606 | 2261 | |
dea3101e JB |
2262 | if (mp) { |
2263 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
2264 | kfree(mp); | |
2265 | } | |
7054a606 JS |
2266 | |
2267 | /* | |
2268 | * If a REG_LOGIN succeeded after node is destroyed or node | |
2269 | * is in re-discovery driver need to cleanup the RPI. | |
2270 | */ | |
2e0fef85 | 2271 | if (!(phba->pport->load_flag & FC_UNLOADING) && |
04c68496 JS |
2272 | pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 && |
2273 | !pmb->u.mb.mbxStatus) { | |
2274 | rpi = pmb->u.mb.un.varWords[0]; | |
6d368e53 | 2275 | vpi = pmb->u.mb.un.varRegLogin.vpi; |
04c68496 | 2276 | lpfc_unreg_login(phba, vpi, rpi, pmb); |
de96e9c5 | 2277 | pmb->vport = vport; |
92d7f7b0 | 2278 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
7054a606 JS |
2279 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
2280 | if (rc != MBX_NOT_FINISHED) | |
2281 | return; | |
2282 | } | |
2283 | ||
695a814e JS |
2284 | if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) && |
2285 | !(phba->pport->load_flag & FC_UNLOADING) && | |
2286 | !pmb->u.mb.mbxStatus) { | |
5af5eee7 JS |
2287 | shost = lpfc_shost_from_vport(vport); |
2288 | spin_lock_irq(shost->host_lock); | |
2289 | vport->vpi_state |= LPFC_VPI_REGISTERED; | |
2290 | vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; | |
2291 | spin_unlock_irq(shost->host_lock); | |
695a814e JS |
2292 | } |
2293 | ||
d439d286 JS |
2294 | if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
2295 | ndlp = (struct lpfc_nodelist *)pmb->context2; | |
2296 | lpfc_nlp_put(ndlp); | |
2297 | pmb->context2 = NULL; | |
2298 | } | |
2299 | ||
dcf2a4e0 JS |
2300 | /* Check security permission status on INIT_LINK mailbox command */ |
2301 | if ((pmb->u.mb.mbxCommand == MBX_INIT_LINK) && | |
2302 | (pmb->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION)) | |
2303 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
2304 | "2860 SLI authentication is required " | |
2305 | "for INIT_LINK but has not done yet\n"); | |
2306 | ||
04c68496 JS |
2307 | if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG) |
2308 | lpfc_sli4_mbox_cmd_free(phba, pmb); | |
2309 | else | |
2310 | mempool_free(pmb, phba->mbox_mem_pool); | |
dea3101e | 2311 | } |
be6bb941 JS |
2312 | /** |
2313 | * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler | |
2314 | * @phba: Pointer to HBA context object. | |
2315 | * @pmb: Pointer to mailbox object. | |
2316 | * | |
2317 | * This function is the unreg rpi mailbox completion handler. It | |
2318 | * frees the memory resources associated with the completed mailbox | |
2319 | * command. An additional refrenece is put on the ndlp to prevent | |
2320 | * lpfc_nlp_release from freeing the rpi bit in the bitmask before | |
2321 | * the unreg mailbox command completes, this routine puts the | |
2322 | * reference back. | |
2323 | * | |
2324 | **/ | |
2325 | void | |
2326 | lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) | |
2327 | { | |
2328 | struct lpfc_vport *vport = pmb->vport; | |
2329 | struct lpfc_nodelist *ndlp; | |
2330 | ||
2331 | ndlp = pmb->context1; | |
2332 | if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) { | |
2333 | if (phba->sli_rev == LPFC_SLI_REV4 && | |
2334 | (bf_get(lpfc_sli_intf_if_type, | |
2335 | &phba->sli4_hba.sli_intf) == | |
2336 | LPFC_SLI_INTF_IF_TYPE_2)) { | |
2337 | if (ndlp) { | |
2338 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, | |
2339 | "0010 UNREG_LOGIN vpi:%x " | |
2340 | "rpi:%x DID:%x map:%x %p\n", | |
2341 | vport->vpi, ndlp->nlp_rpi, | |
2342 | ndlp->nlp_DID, | |
2343 | ndlp->nlp_usg_map, ndlp); | |
7c5e518c | 2344 | ndlp->nlp_flag &= ~NLP_LOGO_ACC; |
be6bb941 JS |
2345 | lpfc_nlp_put(ndlp); |
2346 | } | |
2347 | } | |
2348 | } | |
2349 | ||
2350 | mempool_free(pmb, phba->mbox_mem_pool); | |
2351 | } | |
dea3101e | 2352 | |
e59058c4 | 2353 | /** |
3621a710 | 2354 | * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware |
e59058c4 JS |
2355 | * @phba: Pointer to HBA context object. |
2356 | * | |
2357 | * This function is called with no lock held. This function processes all | |
2358 | * the completed mailbox commands and gives it to upper layers. The interrupt | |
2359 | * service routine processes mailbox completion interrupt and adds completed | |
2360 | * mailbox commands to the mboxq_cmpl queue and signals the worker thread. | |
2361 | * Worker thread call lpfc_sli_handle_mb_event, which will return the | |
2362 | * completed mailbox commands in mboxq_cmpl queue to the upper layers. This | |
2363 | * function returns the mailbox commands to the upper layer by calling the | |
2364 | * completion handler function of each mailbox. | |
2365 | **/ | |
dea3101e | 2366 | int |
2e0fef85 | 2367 | lpfc_sli_handle_mb_event(struct lpfc_hba *phba) |
dea3101e | 2368 | { |
92d7f7b0 | 2369 | MAILBOX_t *pmbox; |
dea3101e | 2370 | LPFC_MBOXQ_t *pmb; |
92d7f7b0 JS |
2371 | int rc; |
2372 | LIST_HEAD(cmplq); | |
dea3101e JB |
2373 | |
2374 | phba->sli.slistat.mbox_event++; | |
2375 | ||
92d7f7b0 JS |
2376 | /* Get all completed mailboxe buffers into the cmplq */ |
2377 | spin_lock_irq(&phba->hbalock); | |
2378 | list_splice_init(&phba->sli.mboxq_cmpl, &cmplq); | |
2379 | spin_unlock_irq(&phba->hbalock); | |
dea3101e | 2380 | |
92d7f7b0 JS |
2381 | /* Get a Mailbox buffer to setup mailbox commands for callback */ |
2382 | do { | |
2383 | list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list); | |
2384 | if (pmb == NULL) | |
2385 | break; | |
2e0fef85 | 2386 | |
04c68496 | 2387 | pmbox = &pmb->u.mb; |
dea3101e | 2388 | |
858c9f6c JS |
2389 | if (pmbox->mbxCommand != MBX_HEARTBEAT) { |
2390 | if (pmb->vport) { | |
2391 | lpfc_debugfs_disc_trc(pmb->vport, | |
2392 | LPFC_DISC_TRC_MBOX_VPORT, | |
2393 | "MBOX cmpl vport: cmd:x%x mb:x%x x%x", | |
2394 | (uint32_t)pmbox->mbxCommand, | |
2395 | pmbox->un.varWords[0], | |
2396 | pmbox->un.varWords[1]); | |
2397 | } | |
2398 | else { | |
2399 | lpfc_debugfs_disc_trc(phba->pport, | |
2400 | LPFC_DISC_TRC_MBOX, | |
2401 | "MBOX cmpl: cmd:x%x mb:x%x x%x", | |
2402 | (uint32_t)pmbox->mbxCommand, | |
2403 | pmbox->un.varWords[0], | |
2404 | pmbox->un.varWords[1]); | |
2405 | } | |
2406 | } | |
2407 | ||
dea3101e JB |
2408 | /* |
2409 | * It is a fatal error if unknown mbox command completion. | |
2410 | */ | |
2411 | if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) == | |
2412 | MBX_SHUTDOWN) { | |
af901ca1 | 2413 | /* Unknown mailbox command compl */ |
92d7f7b0 | 2414 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
e8b62011 | 2415 | "(%d):0323 Unknown Mailbox command " |
a183a15f | 2416 | "x%x (x%x/x%x) Cmpl\n", |
92d7f7b0 | 2417 | pmb->vport ? pmb->vport->vpi : 0, |
04c68496 | 2418 | pmbox->mbxCommand, |
a183a15f JS |
2419 | lpfc_sli_config_mbox_subsys_get(phba, |
2420 | pmb), | |
2421 | lpfc_sli_config_mbox_opcode_get(phba, | |
2422 | pmb)); | |
2e0fef85 | 2423 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
2424 | phba->work_hs = HS_FFER3; |
2425 | lpfc_handle_eratt(phba); | |
92d7f7b0 | 2426 | continue; |
dea3101e JB |
2427 | } |
2428 | ||
dea3101e JB |
2429 | if (pmbox->mbxStatus) { |
2430 | phba->sli.slistat.mbox_stat_err++; | |
2431 | if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) { | |
2432 | /* Mbox cmd cmpl error - RETRYing */ | |
92d7f7b0 | 2433 | lpfc_printf_log(phba, KERN_INFO, |
a183a15f JS |
2434 | LOG_MBOX | LOG_SLI, |
2435 | "(%d):0305 Mbox cmd cmpl " | |
2436 | "error - RETRYing Data: x%x " | |
2437 | "(x%x/x%x) x%x x%x x%x\n", | |
2438 | pmb->vport ? pmb->vport->vpi : 0, | |
2439 | pmbox->mbxCommand, | |
2440 | lpfc_sli_config_mbox_subsys_get(phba, | |
2441 | pmb), | |
2442 | lpfc_sli_config_mbox_opcode_get(phba, | |
2443 | pmb), | |
2444 | pmbox->mbxStatus, | |
2445 | pmbox->un.varWords[0], | |
2446 | pmb->vport->port_state); | |
dea3101e JB |
2447 | pmbox->mbxStatus = 0; |
2448 | pmbox->mbxOwner = OWN_HOST; | |
dea3101e | 2449 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); |
04c68496 | 2450 | if (rc != MBX_NOT_FINISHED) |
92d7f7b0 | 2451 | continue; |
dea3101e JB |
2452 | } |
2453 | } | |
2454 | ||
2455 | /* Mailbox cmd <cmd> Cmpl <cmpl> */ | |
92d7f7b0 | 2456 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
a183a15f | 2457 | "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p " |
e74c03c8 JS |
2458 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " |
2459 | "x%x x%x x%x\n", | |
92d7f7b0 | 2460 | pmb->vport ? pmb->vport->vpi : 0, |
dea3101e | 2461 | pmbox->mbxCommand, |
a183a15f JS |
2462 | lpfc_sli_config_mbox_subsys_get(phba, pmb), |
2463 | lpfc_sli_config_mbox_opcode_get(phba, pmb), | |
dea3101e JB |
2464 | pmb->mbox_cmpl, |
2465 | *((uint32_t *) pmbox), | |
2466 | pmbox->un.varWords[0], | |
2467 | pmbox->un.varWords[1], | |
2468 | pmbox->un.varWords[2], | |
2469 | pmbox->un.varWords[3], | |
2470 | pmbox->un.varWords[4], | |
2471 | pmbox->un.varWords[5], | |
2472 | pmbox->un.varWords[6], | |
e74c03c8 JS |
2473 | pmbox->un.varWords[7], |
2474 | pmbox->un.varWords[8], | |
2475 | pmbox->un.varWords[9], | |
2476 | pmbox->un.varWords[10]); | |
dea3101e | 2477 | |
92d7f7b0 | 2478 | if (pmb->mbox_cmpl) |
dea3101e | 2479 | pmb->mbox_cmpl(phba,pmb); |
92d7f7b0 JS |
2480 | } while (1); |
2481 | return 0; | |
2482 | } | |
dea3101e | 2483 | |
e59058c4 | 2484 | /** |
3621a710 | 2485 | * lpfc_sli_get_buff - Get the buffer associated with the buffer tag |
e59058c4 JS |
2486 | * @phba: Pointer to HBA context object. |
2487 | * @pring: Pointer to driver SLI ring object. | |
2488 | * @tag: buffer tag. | |
2489 | * | |
2490 | * This function is called with no lock held. When QUE_BUFTAG_BIT bit | |
2491 | * is set in the tag the buffer is posted for a particular exchange, | |
2492 | * the function will return the buffer without replacing the buffer. | |
2493 | * If the buffer is for unsolicited ELS or CT traffic, this function | |
2494 | * returns the buffer and also posts another buffer to the firmware. | |
2495 | **/ | |
76bb24ef JS |
2496 | static struct lpfc_dmabuf * |
2497 | lpfc_sli_get_buff(struct lpfc_hba *phba, | |
9f1e1b50 JS |
2498 | struct lpfc_sli_ring *pring, |
2499 | uint32_t tag) | |
76bb24ef | 2500 | { |
9f1e1b50 JS |
2501 | struct hbq_dmabuf *hbq_entry; |
2502 | ||
76bb24ef JS |
2503 | if (tag & QUE_BUFTAG_BIT) |
2504 | return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); | |
9f1e1b50 JS |
2505 | hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); |
2506 | if (!hbq_entry) | |
2507 | return NULL; | |
2508 | return &hbq_entry->dbuf; | |
76bb24ef | 2509 | } |
57127f15 | 2510 | |
3772a991 JS |
2511 | /** |
2512 | * lpfc_complete_unsol_iocb - Complete an unsolicited sequence | |
2513 | * @phba: Pointer to HBA context object. | |
2514 | * @pring: Pointer to driver SLI ring object. | |
2515 | * @saveq: Pointer to the iocbq struct representing the sequence starting frame. | |
2516 | * @fch_r_ctl: the r_ctl for the first frame of the sequence. | |
2517 | * @fch_type: the type for the first frame of the sequence. | |
2518 | * | |
2519 | * This function is called with no lock held. This function uses the r_ctl and | |
2520 | * type of the received sequence to find the correct callback function to call | |
2521 | * to process the sequence. | |
2522 | **/ | |
2523 | static int | |
2524 | lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2525 | struct lpfc_iocbq *saveq, uint32_t fch_r_ctl, | |
2526 | uint32_t fch_type) | |
2527 | { | |
2528 | int i; | |
2529 | ||
f358dd0c JS |
2530 | switch (fch_type) { |
2531 | case FC_TYPE_NVME: | |
d613b6a7 | 2532 | lpfc_nvmet_unsol_ls_event(phba, pring, saveq); |
f358dd0c JS |
2533 | return 1; |
2534 | default: | |
2535 | break; | |
2536 | } | |
2537 | ||
3772a991 JS |
2538 | /* unSolicited Responses */ |
2539 | if (pring->prt[0].profile) { | |
2540 | if (pring->prt[0].lpfc_sli_rcv_unsol_event) | |
2541 | (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring, | |
2542 | saveq); | |
2543 | return 1; | |
2544 | } | |
2545 | /* We must search, based on rctl / type | |
2546 | for the right routine */ | |
2547 | for (i = 0; i < pring->num_mask; i++) { | |
2548 | if ((pring->prt[i].rctl == fch_r_ctl) && | |
2549 | (pring->prt[i].type == fch_type)) { | |
2550 | if (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2551 | (pring->prt[i].lpfc_sli_rcv_unsol_event) | |
2552 | (phba, pring, saveq); | |
2553 | return 1; | |
2554 | } | |
2555 | } | |
2556 | return 0; | |
2557 | } | |
e59058c4 JS |
2558 | |
2559 | /** | |
3621a710 | 2560 | * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler |
e59058c4 JS |
2561 | * @phba: Pointer to HBA context object. |
2562 | * @pring: Pointer to driver SLI ring object. | |
2563 | * @saveq: Pointer to the unsolicited iocb. | |
2564 | * | |
2565 | * This function is called with no lock held by the ring event handler | |
2566 | * when there is an unsolicited iocb posted to the response ring by the | |
2567 | * firmware. This function gets the buffer associated with the iocbs | |
2568 | * and calls the event handler for the ring. This function handles both | |
2569 | * qring buffers and hbq buffers. | |
2570 | * When the function returns 1 the caller can free the iocb object otherwise | |
2571 | * upper layer functions will free the iocb objects. | |
2572 | **/ | |
dea3101e JB |
2573 | static int |
2574 | lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2575 | struct lpfc_iocbq *saveq) | |
2576 | { | |
2577 | IOCB_t * irsp; | |
2578 | WORD5 * w5p; | |
2579 | uint32_t Rctl, Type; | |
76bb24ef | 2580 | struct lpfc_iocbq *iocbq; |
3163f725 | 2581 | struct lpfc_dmabuf *dmzbuf; |
dea3101e | 2582 | |
dea3101e | 2583 | irsp = &(saveq->iocb); |
57127f15 JS |
2584 | |
2585 | if (irsp->ulpCommand == CMD_ASYNC_STATUS) { | |
2586 | if (pring->lpfc_sli_rcv_async_status) | |
2587 | pring->lpfc_sli_rcv_async_status(phba, pring, saveq); | |
2588 | else | |
2589 | lpfc_printf_log(phba, | |
2590 | KERN_WARNING, | |
2591 | LOG_SLI, | |
2592 | "0316 Ring %d handler: unexpected " | |
2593 | "ASYNC_STATUS iocb received evt_code " | |
2594 | "0x%x\n", | |
2595 | pring->ringno, | |
2596 | irsp->un.asyncstat.evt_code); | |
2597 | return 1; | |
2598 | } | |
2599 | ||
3163f725 JS |
2600 | if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) && |
2601 | (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) { | |
2602 | if (irsp->ulpBdeCount > 0) { | |
2603 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2604 | irsp->un.ulpWord[3]); | |
2605 | lpfc_in_buf_free(phba, dmzbuf); | |
2606 | } | |
2607 | ||
2608 | if (irsp->ulpBdeCount > 1) { | |
2609 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2610 | irsp->unsli3.sli3Words[3]); | |
2611 | lpfc_in_buf_free(phba, dmzbuf); | |
2612 | } | |
2613 | ||
2614 | if (irsp->ulpBdeCount > 2) { | |
2615 | dmzbuf = lpfc_sli_get_buff(phba, pring, | |
2616 | irsp->unsli3.sli3Words[7]); | |
2617 | lpfc_in_buf_free(phba, dmzbuf); | |
2618 | } | |
2619 | ||
2620 | return 1; | |
2621 | } | |
2622 | ||
92d7f7b0 | 2623 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
76bb24ef JS |
2624 | if (irsp->ulpBdeCount != 0) { |
2625 | saveq->context2 = lpfc_sli_get_buff(phba, pring, | |
2626 | irsp->un.ulpWord[3]); | |
2627 | if (!saveq->context2) | |
2628 | lpfc_printf_log(phba, | |
2629 | KERN_ERR, | |
2630 | LOG_SLI, | |
2631 | "0341 Ring %d Cannot find buffer for " | |
2632 | "an unsolicited iocb. tag 0x%x\n", | |
2633 | pring->ringno, | |
2634 | irsp->un.ulpWord[3]); | |
76bb24ef JS |
2635 | } |
2636 | if (irsp->ulpBdeCount == 2) { | |
2637 | saveq->context3 = lpfc_sli_get_buff(phba, pring, | |
2638 | irsp->unsli3.sli3Words[7]); | |
2639 | if (!saveq->context3) | |
2640 | lpfc_printf_log(phba, | |
2641 | KERN_ERR, | |
2642 | LOG_SLI, | |
2643 | "0342 Ring %d Cannot find buffer for an" | |
2644 | " unsolicited iocb. tag 0x%x\n", | |
2645 | pring->ringno, | |
2646 | irsp->unsli3.sli3Words[7]); | |
2647 | } | |
2648 | list_for_each_entry(iocbq, &saveq->list, list) { | |
76bb24ef | 2649 | irsp = &(iocbq->iocb); |
76bb24ef JS |
2650 | if (irsp->ulpBdeCount != 0) { |
2651 | iocbq->context2 = lpfc_sli_get_buff(phba, pring, | |
2652 | irsp->un.ulpWord[3]); | |
9c2face6 | 2653 | if (!iocbq->context2) |
76bb24ef JS |
2654 | lpfc_printf_log(phba, |
2655 | KERN_ERR, | |
2656 | LOG_SLI, | |
2657 | "0343 Ring %d Cannot find " | |
2658 | "buffer for an unsolicited iocb" | |
2659 | ". tag 0x%x\n", pring->ringno, | |
92d7f7b0 | 2660 | irsp->un.ulpWord[3]); |
76bb24ef JS |
2661 | } |
2662 | if (irsp->ulpBdeCount == 2) { | |
2663 | iocbq->context3 = lpfc_sli_get_buff(phba, pring, | |
51ef4c26 | 2664 | irsp->unsli3.sli3Words[7]); |
9c2face6 | 2665 | if (!iocbq->context3) |
76bb24ef JS |
2666 | lpfc_printf_log(phba, |
2667 | KERN_ERR, | |
2668 | LOG_SLI, | |
2669 | "0344 Ring %d Cannot find " | |
2670 | "buffer for an unsolicited " | |
2671 | "iocb. tag 0x%x\n", | |
2672 | pring->ringno, | |
2673 | irsp->unsli3.sli3Words[7]); | |
2674 | } | |
2675 | } | |
92d7f7b0 | 2676 | } |
9c2face6 JS |
2677 | if (irsp->ulpBdeCount != 0 && |
2678 | (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || | |
2679 | irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { | |
2680 | int found = 0; | |
2681 | ||
2682 | /* search continue save q for same XRI */ | |
2683 | list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { | |
7851fe2c JS |
2684 | if (iocbq->iocb.unsli3.rcvsli3.ox_id == |
2685 | saveq->iocb.unsli3.rcvsli3.ox_id) { | |
9c2face6 JS |
2686 | list_add_tail(&saveq->list, &iocbq->list); |
2687 | found = 1; | |
2688 | break; | |
2689 | } | |
2690 | } | |
2691 | if (!found) | |
2692 | list_add_tail(&saveq->clist, | |
2693 | &pring->iocb_continue_saveq); | |
2694 | if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { | |
2695 | list_del_init(&iocbq->clist); | |
2696 | saveq = iocbq; | |
2697 | irsp = &(saveq->iocb); | |
2698 | } else | |
2699 | return 0; | |
2700 | } | |
2701 | if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || | |
2702 | (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || | |
2703 | (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { | |
6a9c52cf JS |
2704 | Rctl = FC_RCTL_ELS_REQ; |
2705 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2706 | } else { |
2707 | w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); | |
2708 | Rctl = w5p->hcsw.Rctl; | |
2709 | Type = w5p->hcsw.Type; | |
2710 | ||
2711 | /* Firmware Workaround */ | |
2712 | if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) && | |
2713 | (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX || | |
2714 | irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) { | |
6a9c52cf JS |
2715 | Rctl = FC_RCTL_ELS_REQ; |
2716 | Type = FC_TYPE_ELS; | |
9c2face6 JS |
2717 | w5p->hcsw.Rctl = Rctl; |
2718 | w5p->hcsw.Type = Type; | |
2719 | } | |
2720 | } | |
92d7f7b0 | 2721 | |
3772a991 | 2722 | if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type)) |
92d7f7b0 | 2723 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 | 2724 | "0313 Ring %d handler: unexpected Rctl x%x " |
92d7f7b0 | 2725 | "Type x%x received\n", |
e8b62011 | 2726 | pring->ringno, Rctl, Type); |
3772a991 | 2727 | |
92d7f7b0 | 2728 | return 1; |
dea3101e JB |
2729 | } |
2730 | ||
e59058c4 | 2731 | /** |
3621a710 | 2732 | * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb |
e59058c4 JS |
2733 | * @phba: Pointer to HBA context object. |
2734 | * @pring: Pointer to driver SLI ring object. | |
2735 | * @prspiocb: Pointer to response iocb object. | |
2736 | * | |
2737 | * This function looks up the iocb_lookup table to get the command iocb | |
2738 | * corresponding to the given response iocb using the iotag of the | |
341b2aa8 DK |
2739 | * response iocb. This function is called with the hbalock held |
2740 | * for sli3 devices or the ring_lock for sli4 devices. | |
e59058c4 JS |
2741 | * This function returns the command iocb object if it finds the command |
2742 | * iocb else returns NULL. | |
2743 | **/ | |
dea3101e | 2744 | static struct lpfc_iocbq * |
2e0fef85 JS |
2745 | lpfc_sli_iocbq_lookup(struct lpfc_hba *phba, |
2746 | struct lpfc_sli_ring *pring, | |
2747 | struct lpfc_iocbq *prspiocb) | |
dea3101e | 2748 | { |
dea3101e JB |
2749 | struct lpfc_iocbq *cmd_iocb = NULL; |
2750 | uint16_t iotag; | |
1c2ba475 | 2751 | lockdep_assert_held(&phba->hbalock); |
dea3101e | 2752 | |
604a3e30 JB |
2753 | iotag = prspiocb->iocb.ulpIoTag; |
2754 | ||
2755 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { | |
2756 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 | 2757 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
89533e9b JS |
2758 | /* remove from txcmpl queue list */ |
2759 | list_del_init(&cmd_iocb->list); | |
4f2e66c6 | 2760 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; |
89533e9b | 2761 | return cmd_iocb; |
2a9bf3d0 | 2762 | } |
dea3101e JB |
2763 | } |
2764 | ||
dea3101e | 2765 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
89533e9b | 2766 | "0317 iotag x%x is out of " |
604a3e30 | 2767 | "range: max iotag x%x wd0 x%x\n", |
e8b62011 | 2768 | iotag, phba->sli.last_iotag, |
604a3e30 | 2769 | *(((uint32_t *) &prspiocb->iocb) + 7)); |
dea3101e JB |
2770 | return NULL; |
2771 | } | |
2772 | ||
3772a991 JS |
2773 | /** |
2774 | * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag | |
2775 | * @phba: Pointer to HBA context object. | |
2776 | * @pring: Pointer to driver SLI ring object. | |
2777 | * @iotag: IOCB tag. | |
2778 | * | |
2779 | * This function looks up the iocb_lookup table to get the command iocb | |
2780 | * corresponding to the given iotag. This function is called with the | |
2781 | * hbalock held. | |
2782 | * This function returns the command iocb object if it finds the command | |
2783 | * iocb else returns NULL. | |
2784 | **/ | |
2785 | static struct lpfc_iocbq * | |
2786 | lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba, | |
2787 | struct lpfc_sli_ring *pring, uint16_t iotag) | |
2788 | { | |
895427bd | 2789 | struct lpfc_iocbq *cmd_iocb = NULL; |
3772a991 | 2790 | |
1c2ba475 | 2791 | lockdep_assert_held(&phba->hbalock); |
3772a991 JS |
2792 | if (iotag != 0 && iotag <= phba->sli.last_iotag) { |
2793 | cmd_iocb = phba->sli.iocbq_lookup[iotag]; | |
4f2e66c6 JS |
2794 | if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) { |
2795 | /* remove from txcmpl queue list */ | |
2796 | list_del_init(&cmd_iocb->list); | |
2797 | cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ; | |
4f2e66c6 | 2798 | return cmd_iocb; |
2a9bf3d0 | 2799 | } |
3772a991 | 2800 | } |
89533e9b | 2801 | |
3772a991 | 2802 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
895427bd JS |
2803 | "0372 iotag x%x lookup error: max iotag (x%x) " |
2804 | "iocb_flag x%x\n", | |
2805 | iotag, phba->sli.last_iotag, | |
2806 | cmd_iocb ? cmd_iocb->iocb_flag : 0xffff); | |
3772a991 JS |
2807 | return NULL; |
2808 | } | |
2809 | ||
e59058c4 | 2810 | /** |
3621a710 | 2811 | * lpfc_sli_process_sol_iocb - process solicited iocb completion |
e59058c4 JS |
2812 | * @phba: Pointer to HBA context object. |
2813 | * @pring: Pointer to driver SLI ring object. | |
2814 | * @saveq: Pointer to the response iocb to be processed. | |
2815 | * | |
2816 | * This function is called by the ring event handler for non-fcp | |
2817 | * rings when there is a new response iocb in the response ring. | |
2818 | * The caller is not required to hold any locks. This function | |
2819 | * gets the command iocb associated with the response iocb and | |
2820 | * calls the completion handler for the command iocb. If there | |
2821 | * is no completion handler, the function will free the resources | |
2822 | * associated with command iocb. If the response iocb is for | |
2823 | * an already aborted command iocb, the status of the completion | |
2824 | * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED. | |
2825 | * This function always returns 1. | |
2826 | **/ | |
dea3101e | 2827 | static int |
2e0fef85 | 2828 | lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
dea3101e JB |
2829 | struct lpfc_iocbq *saveq) |
2830 | { | |
2e0fef85 | 2831 | struct lpfc_iocbq *cmdiocbp; |
dea3101e JB |
2832 | int rc = 1; |
2833 | unsigned long iflag; | |
2834 | ||
2835 | /* Based on the iotag field, get the cmd IOCB from the txcmplq */ | |
341b2aa8 DK |
2836 | if (phba->sli_rev == LPFC_SLI_REV4) |
2837 | spin_lock_irqsave(&pring->ring_lock, iflag); | |
2838 | else | |
2839 | spin_lock_irqsave(&phba->hbalock, iflag); | |
604a3e30 | 2840 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq); |
341b2aa8 DK |
2841 | if (phba->sli_rev == LPFC_SLI_REV4) |
2842 | spin_unlock_irqrestore(&pring->ring_lock, iflag); | |
2843 | else | |
2844 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
2e0fef85 | 2845 | |
dea3101e JB |
2846 | if (cmdiocbp) { |
2847 | if (cmdiocbp->iocb_cmpl) { | |
ea2151b4 JS |
2848 | /* |
2849 | * If an ELS command failed send an event to mgmt | |
2850 | * application. | |
2851 | */ | |
2852 | if (saveq->iocb.ulpStatus && | |
2853 | (pring->ringno == LPFC_ELS_RING) && | |
2854 | (cmdiocbp->iocb.ulpCommand == | |
2855 | CMD_ELS_REQUEST64_CR)) | |
2856 | lpfc_send_els_failure_event(phba, | |
2857 | cmdiocbp, saveq); | |
2858 | ||
dea3101e JB |
2859 | /* |
2860 | * Post all ELS completions to the worker thread. | |
2861 | * All other are passed to the completion callback. | |
2862 | */ | |
2863 | if (pring->ringno == LPFC_ELS_RING) { | |
341af102 JS |
2864 | if ((phba->sli_rev < LPFC_SLI_REV4) && |
2865 | (cmdiocbp->iocb_flag & | |
2866 | LPFC_DRIVER_ABORTED)) { | |
2867 | spin_lock_irqsave(&phba->hbalock, | |
2868 | iflag); | |
07951076 JS |
2869 | cmdiocbp->iocb_flag &= |
2870 | ~LPFC_DRIVER_ABORTED; | |
341af102 JS |
2871 | spin_unlock_irqrestore(&phba->hbalock, |
2872 | iflag); | |
07951076 JS |
2873 | saveq->iocb.ulpStatus = |
2874 | IOSTAT_LOCAL_REJECT; | |
2875 | saveq->iocb.un.ulpWord[4] = | |
2876 | IOERR_SLI_ABORTED; | |
0ff10d46 JS |
2877 | |
2878 | /* Firmware could still be in progress | |
2879 | * of DMAing payload, so don't free data | |
2880 | * buffer till after a hbeat. | |
2881 | */ | |
341af102 JS |
2882 | spin_lock_irqsave(&phba->hbalock, |
2883 | iflag); | |
0ff10d46 | 2884 | saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; |
341af102 JS |
2885 | spin_unlock_irqrestore(&phba->hbalock, |
2886 | iflag); | |
2887 | } | |
0f65ff68 JS |
2888 | if (phba->sli_rev == LPFC_SLI_REV4) { |
2889 | if (saveq->iocb_flag & | |
2890 | LPFC_EXCHANGE_BUSY) { | |
2891 | /* Set cmdiocb flag for the | |
2892 | * exchange busy so sgl (xri) | |
2893 | * will not be released until | |
2894 | * the abort xri is received | |
2895 | * from hba. | |
2896 | */ | |
2897 | spin_lock_irqsave( | |
2898 | &phba->hbalock, iflag); | |
2899 | cmdiocbp->iocb_flag |= | |
2900 | LPFC_EXCHANGE_BUSY; | |
2901 | spin_unlock_irqrestore( | |
2902 | &phba->hbalock, iflag); | |
2903 | } | |
2904 | if (cmdiocbp->iocb_flag & | |
2905 | LPFC_DRIVER_ABORTED) { | |
2906 | /* | |
2907 | * Clear LPFC_DRIVER_ABORTED | |
2908 | * bit in case it was driver | |
2909 | * initiated abort. | |
2910 | */ | |
2911 | spin_lock_irqsave( | |
2912 | &phba->hbalock, iflag); | |
2913 | cmdiocbp->iocb_flag &= | |
2914 | ~LPFC_DRIVER_ABORTED; | |
2915 | spin_unlock_irqrestore( | |
2916 | &phba->hbalock, iflag); | |
2917 | cmdiocbp->iocb.ulpStatus = | |
2918 | IOSTAT_LOCAL_REJECT; | |
2919 | cmdiocbp->iocb.un.ulpWord[4] = | |
2920 | IOERR_ABORT_REQUESTED; | |
2921 | /* | |
2922 | * For SLI4, irsiocb contains | |
2923 | * NO_XRI in sli_xritag, it | |
2924 | * shall not affect releasing | |
2925 | * sgl (xri) process. | |
2926 | */ | |
2927 | saveq->iocb.ulpStatus = | |
2928 | IOSTAT_LOCAL_REJECT; | |
2929 | saveq->iocb.un.ulpWord[4] = | |
2930 | IOERR_SLI_ABORTED; | |
2931 | spin_lock_irqsave( | |
2932 | &phba->hbalock, iflag); | |
2933 | saveq->iocb_flag |= | |
2934 | LPFC_DELAY_MEM_FREE; | |
2935 | spin_unlock_irqrestore( | |
2936 | &phba->hbalock, iflag); | |
2937 | } | |
07951076 | 2938 | } |
dea3101e | 2939 | } |
2e0fef85 | 2940 | (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); |
604a3e30 JB |
2941 | } else |
2942 | lpfc_sli_release_iocbq(phba, cmdiocbp); | |
dea3101e JB |
2943 | } else { |
2944 | /* | |
2945 | * Unknown initiating command based on the response iotag. | |
2946 | * This could be the case on the ELS ring because of | |
2947 | * lpfc_els_abort(). | |
2948 | */ | |
2949 | if (pring->ringno != LPFC_ELS_RING) { | |
2950 | /* | |
2951 | * Ring <ringno> handler: unexpected completion IoTag | |
2952 | * <IoTag> | |
2953 | */ | |
a257bf90 | 2954 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
e8b62011 JS |
2955 | "0322 Ring %d handler: " |
2956 | "unexpected completion IoTag x%x " | |
2957 | "Data: x%x x%x x%x x%x\n", | |
2958 | pring->ringno, | |
2959 | saveq->iocb.ulpIoTag, | |
2960 | saveq->iocb.ulpStatus, | |
2961 | saveq->iocb.un.ulpWord[4], | |
2962 | saveq->iocb.ulpCommand, | |
2963 | saveq->iocb.ulpContext); | |
dea3101e JB |
2964 | } |
2965 | } | |
68876920 | 2966 | |
dea3101e JB |
2967 | return rc; |
2968 | } | |
2969 | ||
e59058c4 | 2970 | /** |
3621a710 | 2971 | * lpfc_sli_rsp_pointers_error - Response ring pointer error handler |
e59058c4 JS |
2972 | * @phba: Pointer to HBA context object. |
2973 | * @pring: Pointer to driver SLI ring object. | |
2974 | * | |
2975 | * This function is called from the iocb ring event handlers when | |
2976 | * put pointer is ahead of the get pointer for a ring. This function signal | |
2977 | * an error attention condition to the worker thread and the worker | |
2978 | * thread will transition the HBA to offline state. | |
2979 | **/ | |
2e0fef85 JS |
2980 | static void |
2981 | lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
875fbdfe | 2982 | { |
34b02dcd | 2983 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
875fbdfe | 2984 | /* |
025dfdaf | 2985 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
875fbdfe JSEC |
2986 | * rsp ring <portRspMax> |
2987 | */ | |
2988 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 2989 | "0312 Ring %d handler: portRspPut %d " |
025dfdaf | 2990 | "is bigger than rsp ring %d\n", |
e8b62011 | 2991 | pring->ringno, le32_to_cpu(pgp->rspPutInx), |
7e56aa25 | 2992 | pring->sli.sli3.numRiocb); |
875fbdfe | 2993 | |
2e0fef85 | 2994 | phba->link_state = LPFC_HBA_ERROR; |
875fbdfe JSEC |
2995 | |
2996 | /* | |
2997 | * All error attention handlers are posted to | |
2998 | * worker thread | |
2999 | */ | |
3000 | phba->work_ha |= HA_ERATT; | |
3001 | phba->work_hs = HS_FFER3; | |
92d7f7b0 | 3002 | |
5e9d9b82 | 3003 | lpfc_worker_wake_up(phba); |
875fbdfe JSEC |
3004 | |
3005 | return; | |
3006 | } | |
3007 | ||
9399627f | 3008 | /** |
3621a710 | 3009 | * lpfc_poll_eratt - Error attention polling timer timeout handler |
9399627f JS |
3010 | * @ptr: Pointer to address of HBA context object. |
3011 | * | |
3012 | * This function is invoked by the Error Attention polling timer when the | |
3013 | * timer times out. It will check the SLI Error Attention register for | |
3014 | * possible attention events. If so, it will post an Error Attention event | |
3015 | * and wake up worker thread to process it. Otherwise, it will set up the | |
3016 | * Error Attention polling timer for the next poll. | |
3017 | **/ | |
f22eb4d3 | 3018 | void lpfc_poll_eratt(struct timer_list *t) |
9399627f JS |
3019 | { |
3020 | struct lpfc_hba *phba; | |
eb016566 | 3021 | uint32_t eratt = 0; |
aa6fbb75 | 3022 | uint64_t sli_intr, cnt; |
9399627f | 3023 | |
f22eb4d3 | 3024 | phba = from_timer(phba, t, eratt_poll); |
9399627f | 3025 | |
aa6fbb75 JS |
3026 | /* Here we will also keep track of interrupts per sec of the hba */ |
3027 | sli_intr = phba->sli.slistat.sli_intr; | |
3028 | ||
3029 | if (phba->sli.slistat.sli_prev_intr > sli_intr) | |
3030 | cnt = (((uint64_t)(-1) - phba->sli.slistat.sli_prev_intr) + | |
3031 | sli_intr); | |
3032 | else | |
3033 | cnt = (sli_intr - phba->sli.slistat.sli_prev_intr); | |
3034 | ||
65791f1f JS |
3035 | /* 64-bit integer division not supported on 32-bit x86 - use do_div */ |
3036 | do_div(cnt, phba->eratt_poll_interval); | |
aa6fbb75 JS |
3037 | phba->sli.slistat.sli_ips = cnt; |
3038 | ||
3039 | phba->sli.slistat.sli_prev_intr = sli_intr; | |
3040 | ||
9399627f JS |
3041 | /* Check chip HA register for error event */ |
3042 | eratt = lpfc_sli_check_eratt(phba); | |
3043 | ||
3044 | if (eratt) | |
3045 | /* Tell the worker thread there is work to do */ | |
3046 | lpfc_worker_wake_up(phba); | |
3047 | else | |
3048 | /* Restart the timer for next eratt poll */ | |
256ec0d0 JS |
3049 | mod_timer(&phba->eratt_poll, |
3050 | jiffies + | |
65791f1f | 3051 | msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
9399627f JS |
3052 | return; |
3053 | } | |
3054 | ||
875fbdfe | 3055 | |
e59058c4 | 3056 | /** |
3621a710 | 3057 | * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring |
e59058c4 JS |
3058 | * @phba: Pointer to HBA context object. |
3059 | * @pring: Pointer to driver SLI ring object. | |
3060 | * @mask: Host attention register mask for this ring. | |
3061 | * | |
3062 | * This function is called from the interrupt context when there is a ring | |
3063 | * event for the fcp ring. The caller does not hold any lock. | |
3064 | * The function processes each response iocb in the response ring until it | |
25985edc | 3065 | * finds an iocb with LE bit set and chains all the iocbs up to the iocb with |
e59058c4 JS |
3066 | * LE bit set. The function will call the completion handler of the command iocb |
3067 | * if the response iocb indicates a completion for a command iocb or it is | |
3068 | * an abort completion. The function will call lpfc_sli_process_unsol_iocb | |
3069 | * function if this is an unsolicited iocb. | |
dea3101e | 3070 | * This routine presumes LPFC_FCP_RING handling and doesn't bother |
45ed1190 JS |
3071 | * to check it explicitly. |
3072 | */ | |
3073 | int | |
2e0fef85 JS |
3074 | lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba, |
3075 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3076 | { |
34b02dcd | 3077 | struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno]; |
dea3101e | 3078 | IOCB_t *irsp = NULL; |
87f6eaff | 3079 | IOCB_t *entry = NULL; |
dea3101e JB |
3080 | struct lpfc_iocbq *cmdiocbq = NULL; |
3081 | struct lpfc_iocbq rspiocbq; | |
dea3101e JB |
3082 | uint32_t status; |
3083 | uint32_t portRspPut, portRspMax; | |
3084 | int rc = 1; | |
3085 | lpfc_iocb_type type; | |
3086 | unsigned long iflag; | |
3087 | uint32_t rsp_cmpl = 0; | |
dea3101e | 3088 | |
2e0fef85 | 3089 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3090 | pring->stats.iocb_event++; |
3091 | ||
dea3101e JB |
3092 | /* |
3093 | * The next available response entry should never exceed the maximum | |
3094 | * entries. If it does, treat it as an adapter hardware error. | |
3095 | */ | |
7e56aa25 | 3096 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3097 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3098 | if (unlikely(portRspPut >= portRspMax)) { | |
875fbdfe | 3099 | lpfc_sli_rsp_pointers_error(phba, pring); |
2e0fef85 | 3100 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3101 | return 1; |
3102 | } | |
45ed1190 JS |
3103 | if (phba->fcp_ring_in_use) { |
3104 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3105 | return 1; | |
3106 | } else | |
3107 | phba->fcp_ring_in_use = 1; | |
dea3101e JB |
3108 | |
3109 | rmb(); | |
7e56aa25 | 3110 | while (pring->sli.sli3.rspidx != portRspPut) { |
87f6eaff JSEC |
3111 | /* |
3112 | * Fetch an entry off the ring and copy it into a local data | |
3113 | * structure. The copy involves a byte-swap since the | |
3114 | * network byte order and pci byte orders are different. | |
3115 | */ | |
ed957684 | 3116 | entry = lpfc_resp_iocb(phba, pring); |
858c9f6c | 3117 | phba->last_completion_time = jiffies; |
875fbdfe | 3118 | |
7e56aa25 JS |
3119 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3120 | pring->sli.sli3.rspidx = 0; | |
875fbdfe | 3121 | |
87f6eaff JSEC |
3122 | lpfc_sli_pcimem_bcopy((uint32_t *) entry, |
3123 | (uint32_t *) &rspiocbq.iocb, | |
ed957684 | 3124 | phba->iocb_rsp_size); |
a4bc3379 | 3125 | INIT_LIST_HEAD(&(rspiocbq.list)); |
87f6eaff JSEC |
3126 | irsp = &rspiocbq.iocb; |
3127 | ||
dea3101e JB |
3128 | type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK); |
3129 | pring->stats.iocb_rsp++; | |
3130 | rsp_cmpl++; | |
3131 | ||
3132 | if (unlikely(irsp->ulpStatus)) { | |
92d7f7b0 JS |
3133 | /* |
3134 | * If resource errors reported from HBA, reduce | |
3135 | * queuedepths of the SCSI device. | |
3136 | */ | |
3137 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3138 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3139 | IOERR_NO_RESOURCES)) { | |
92d7f7b0 | 3140 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3141 | phba->lpfc_rampdown_queue_depth(phba); |
92d7f7b0 JS |
3142 | spin_lock_irqsave(&phba->hbalock, iflag); |
3143 | } | |
3144 | ||
dea3101e JB |
3145 | /* Rsp ring <ringno> error: IOCB */ |
3146 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
e8b62011 | 3147 | "0336 Rsp Ring %d error: IOCB Data: " |
92d7f7b0 | 3148 | "x%x x%x x%x x%x x%x x%x x%x x%x\n", |
e8b62011 | 3149 | pring->ringno, |
92d7f7b0 JS |
3150 | irsp->un.ulpWord[0], |
3151 | irsp->un.ulpWord[1], | |
3152 | irsp->un.ulpWord[2], | |
3153 | irsp->un.ulpWord[3], | |
3154 | irsp->un.ulpWord[4], | |
3155 | irsp->un.ulpWord[5], | |
d7c255b2 JS |
3156 | *(uint32_t *)&irsp->un1, |
3157 | *((uint32_t *)&irsp->un1 + 1)); | |
dea3101e JB |
3158 | } |
3159 | ||
3160 | switch (type) { | |
3161 | case LPFC_ABORT_IOCB: | |
3162 | case LPFC_SOL_IOCB: | |
3163 | /* | |
3164 | * Idle exchange closed via ABTS from port. No iocb | |
3165 | * resources need to be recovered. | |
3166 | */ | |
3167 | if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) { | |
dca9479b | 3168 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 3169 | "0333 IOCB cmd 0x%x" |
dca9479b | 3170 | " processed. Skipping" |
92d7f7b0 | 3171 | " completion\n", |
dca9479b | 3172 | irsp->ulpCommand); |
dea3101e JB |
3173 | break; |
3174 | } | |
3175 | ||
604a3e30 JB |
3176 | cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, |
3177 | &rspiocbq); | |
0f65ff68 JS |
3178 | if (unlikely(!cmdiocbq)) |
3179 | break; | |
3180 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
3181 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
3182 | if (cmdiocbq->iocb_cmpl) { | |
3183 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3184 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, | |
3185 | &rspiocbq); | |
3186 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3187 | } | |
dea3101e | 3188 | break; |
a4bc3379 | 3189 | case LPFC_UNSOL_IOCB: |
2e0fef85 | 3190 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a4bc3379 | 3191 | lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq); |
2e0fef85 | 3192 | spin_lock_irqsave(&phba->hbalock, iflag); |
a4bc3379 | 3193 | break; |
dea3101e JB |
3194 | default: |
3195 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3196 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3197 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3198 | memcpy(&adaptermsg[0], (uint8_t *) irsp, | |
3199 | MAX_MSG_DATA); | |
898eb71c JP |
3200 | dev_warn(&((phba->pcidev)->dev), |
3201 | "lpfc%d: %s\n", | |
dea3101e JB |
3202 | phba->brd_no, adaptermsg); |
3203 | } else { | |
3204 | /* Unknown IOCB command */ | |
3205 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
e8b62011 | 3206 | "0334 Unknown IOCB command " |
92d7f7b0 | 3207 | "Data: x%x, x%x x%x x%x x%x\n", |
e8b62011 | 3208 | type, irsp->ulpCommand, |
92d7f7b0 JS |
3209 | irsp->ulpStatus, |
3210 | irsp->ulpIoTag, | |
3211 | irsp->ulpContext); | |
dea3101e JB |
3212 | } |
3213 | break; | |
3214 | } | |
3215 | ||
3216 | /* | |
3217 | * The response IOCB has been processed. Update the ring | |
3218 | * pointer in SLIM. If the port response put pointer has not | |
3219 | * been updated, sync the pgp->rspPutInx and fetch the new port | |
3220 | * response put pointer. | |
3221 | */ | |
7e56aa25 JS |
3222 | writel(pring->sli.sli3.rspidx, |
3223 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3224 | |
7e56aa25 | 3225 | if (pring->sli.sli3.rspidx == portRspPut) |
dea3101e JB |
3226 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3227 | } | |
3228 | ||
3229 | if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) { | |
3230 | pring->stats.iocb_rsp_full++; | |
3231 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3232 | writel(status, phba->CAregaddr); | |
3233 | readl(phba->CAregaddr); | |
3234 | } | |
3235 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3236 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3237 | pring->stats.iocb_cmd_empty++; | |
3238 | ||
3239 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3240 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3241 | lpfc_sli_resume_iocb(phba, pring); |
3242 | ||
3243 | if ((pring->lpfc_sli_cmd_available)) | |
3244 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3245 | ||
3246 | } | |
3247 | ||
45ed1190 | 3248 | phba->fcp_ring_in_use = 0; |
2e0fef85 | 3249 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
3250 | return rc; |
3251 | } | |
3252 | ||
e59058c4 | 3253 | /** |
3772a991 JS |
3254 | * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb |
3255 | * @phba: Pointer to HBA context object. | |
3256 | * @pring: Pointer to driver SLI ring object. | |
3257 | * @rspiocbp: Pointer to driver response IOCB object. | |
3258 | * | |
3259 | * This function is called from the worker thread when there is a slow-path | |
3260 | * response IOCB to process. This function chains all the response iocbs until | |
3261 | * seeing the iocb with the LE bit set. The function will call | |
3262 | * lpfc_sli_process_sol_iocb function if the response iocb indicates a | |
3263 | * completion of a command iocb. The function will call the | |
3264 | * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb. | |
3265 | * The function frees the resources or calls the completion handler if this | |
3266 | * iocb is an abort completion. The function returns NULL when the response | |
3267 | * iocb has the LE bit set and all the chained iocbs are processed, otherwise | |
3268 | * this function shall chain the iocb on to the iocb_continueq and return the | |
3269 | * response iocb passed in. | |
3270 | **/ | |
3271 | static struct lpfc_iocbq * | |
3272 | lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
3273 | struct lpfc_iocbq *rspiocbp) | |
3274 | { | |
3275 | struct lpfc_iocbq *saveq; | |
3276 | struct lpfc_iocbq *cmdiocbp; | |
3277 | struct lpfc_iocbq *next_iocb; | |
3278 | IOCB_t *irsp = NULL; | |
3279 | uint32_t free_saveq; | |
3280 | uint8_t iocb_cmd_type; | |
3281 | lpfc_iocb_type type; | |
3282 | unsigned long iflag; | |
3283 | int rc; | |
3284 | ||
3285 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3286 | /* First add the response iocb to the countinueq list */ | |
3287 | list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); | |
3288 | pring->iocb_continueq_cnt++; | |
3289 | ||
70f23fd6 | 3290 | /* Now, determine whether the list is completed for processing */ |
3772a991 JS |
3291 | irsp = &rspiocbp->iocb; |
3292 | if (irsp->ulpLe) { | |
3293 | /* | |
3294 | * By default, the driver expects to free all resources | |
3295 | * associated with this iocb completion. | |
3296 | */ | |
3297 | free_saveq = 1; | |
3298 | saveq = list_get_first(&pring->iocb_continueq, | |
3299 | struct lpfc_iocbq, list); | |
3300 | irsp = &(saveq->iocb); | |
3301 | list_del_init(&pring->iocb_continueq); | |
3302 | pring->iocb_continueq_cnt = 0; | |
3303 | ||
3304 | pring->stats.iocb_rsp++; | |
3305 | ||
3306 | /* | |
3307 | * If resource errors reported from HBA, reduce | |
3308 | * queuedepths of the SCSI device. | |
3309 | */ | |
3310 | if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && | |
e3d2b802 JS |
3311 | ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == |
3312 | IOERR_NO_RESOURCES)) { | |
3772a991 JS |
3313 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3314 | phba->lpfc_rampdown_queue_depth(phba); | |
3315 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3316 | } | |
3317 | ||
3318 | if (irsp->ulpStatus) { | |
3319 | /* Rsp ring <ringno> error: IOCB */ | |
3320 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
3321 | "0328 Rsp Ring %d error: " | |
3322 | "IOCB Data: " | |
3323 | "x%x x%x x%x x%x " | |
3324 | "x%x x%x x%x x%x " | |
3325 | "x%x x%x x%x x%x " | |
3326 | "x%x x%x x%x x%x\n", | |
3327 | pring->ringno, | |
3328 | irsp->un.ulpWord[0], | |
3329 | irsp->un.ulpWord[1], | |
3330 | irsp->un.ulpWord[2], | |
3331 | irsp->un.ulpWord[3], | |
3332 | irsp->un.ulpWord[4], | |
3333 | irsp->un.ulpWord[5], | |
3334 | *(((uint32_t *) irsp) + 6), | |
3335 | *(((uint32_t *) irsp) + 7), | |
3336 | *(((uint32_t *) irsp) + 8), | |
3337 | *(((uint32_t *) irsp) + 9), | |
3338 | *(((uint32_t *) irsp) + 10), | |
3339 | *(((uint32_t *) irsp) + 11), | |
3340 | *(((uint32_t *) irsp) + 12), | |
3341 | *(((uint32_t *) irsp) + 13), | |
3342 | *(((uint32_t *) irsp) + 14), | |
3343 | *(((uint32_t *) irsp) + 15)); | |
3344 | } | |
3345 | ||
3346 | /* | |
3347 | * Fetch the IOCB command type and call the correct completion | |
3348 | * routine. Solicited and Unsolicited IOCBs on the ELS ring | |
3349 | * get freed back to the lpfc_iocb_list by the discovery | |
3350 | * kernel thread. | |
3351 | */ | |
3352 | iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; | |
3353 | type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); | |
3354 | switch (type) { | |
3355 | case LPFC_SOL_IOCB: | |
3356 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3357 | rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); | |
3358 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3359 | break; | |
3360 | ||
3361 | case LPFC_UNSOL_IOCB: | |
3362 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3363 | rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); | |
3364 | spin_lock_irqsave(&phba->hbalock, iflag); | |
3365 | if (!rc) | |
3366 | free_saveq = 0; | |
3367 | break; | |
3368 | ||
3369 | case LPFC_ABORT_IOCB: | |
3370 | cmdiocbp = NULL; | |
3371 | if (irsp->ulpCommand != CMD_XRI_ABORTED_CX) | |
3372 | cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, | |
3373 | saveq); | |
3374 | if (cmdiocbp) { | |
3375 | /* Call the specified completion routine */ | |
3376 | if (cmdiocbp->iocb_cmpl) { | |
3377 | spin_unlock_irqrestore(&phba->hbalock, | |
3378 | iflag); | |
3379 | (cmdiocbp->iocb_cmpl)(phba, cmdiocbp, | |
3380 | saveq); | |
3381 | spin_lock_irqsave(&phba->hbalock, | |
3382 | iflag); | |
3383 | } else | |
3384 | __lpfc_sli_release_iocbq(phba, | |
3385 | cmdiocbp); | |
3386 | } | |
3387 | break; | |
3388 | ||
3389 | case LPFC_UNKNOWN_IOCB: | |
3390 | if (irsp->ulpCommand == CMD_ADAPTER_MSG) { | |
3391 | char adaptermsg[LPFC_MAX_ADPTMSG]; | |
3392 | memset(adaptermsg, 0, LPFC_MAX_ADPTMSG); | |
3393 | memcpy(&adaptermsg[0], (uint8_t *)irsp, | |
3394 | MAX_MSG_DATA); | |
3395 | dev_warn(&((phba->pcidev)->dev), | |
3396 | "lpfc%d: %s\n", | |
3397 | phba->brd_no, adaptermsg); | |
3398 | } else { | |
3399 | /* Unknown IOCB command */ | |
3400 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
3401 | "0335 Unknown IOCB " | |
3402 | "command Data: x%x " | |
3403 | "x%x x%x x%x\n", | |
3404 | irsp->ulpCommand, | |
3405 | irsp->ulpStatus, | |
3406 | irsp->ulpIoTag, | |
3407 | irsp->ulpContext); | |
3408 | } | |
3409 | break; | |
3410 | } | |
3411 | ||
3412 | if (free_saveq) { | |
3413 | list_for_each_entry_safe(rspiocbp, next_iocb, | |
3414 | &saveq->list, list) { | |
61f35bff | 3415 | list_del_init(&rspiocbp->list); |
3772a991 JS |
3416 | __lpfc_sli_release_iocbq(phba, rspiocbp); |
3417 | } | |
3418 | __lpfc_sli_release_iocbq(phba, saveq); | |
3419 | } | |
3420 | rspiocbp = NULL; | |
3421 | } | |
3422 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3423 | return rspiocbp; | |
3424 | } | |
3425 | ||
3426 | /** | |
3427 | * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs | |
e59058c4 JS |
3428 | * @phba: Pointer to HBA context object. |
3429 | * @pring: Pointer to driver SLI ring object. | |
3430 | * @mask: Host attention register mask for this ring. | |
3431 | * | |
3772a991 JS |
3432 | * This routine wraps the actual slow_ring event process routine from the |
3433 | * API jump table function pointer from the lpfc_hba struct. | |
e59058c4 | 3434 | **/ |
3772a991 | 3435 | void |
2e0fef85 JS |
3436 | lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, |
3437 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3772a991 JS |
3438 | { |
3439 | phba->lpfc_sli_handle_slow_ring_event(phba, pring, mask); | |
3440 | } | |
3441 | ||
3442 | /** | |
3443 | * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings | |
3444 | * @phba: Pointer to HBA context object. | |
3445 | * @pring: Pointer to driver SLI ring object. | |
3446 | * @mask: Host attention register mask for this ring. | |
3447 | * | |
3448 | * This function is called from the worker thread when there is a ring event | |
3449 | * for non-fcp rings. The caller does not hold any lock. The function will | |
3450 | * remove each response iocb in the response ring and calls the handle | |
3451 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3452 | **/ | |
3453 | static void | |
3454 | lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba *phba, | |
3455 | struct lpfc_sli_ring *pring, uint32_t mask) | |
dea3101e | 3456 | { |
34b02dcd | 3457 | struct lpfc_pgp *pgp; |
dea3101e JB |
3458 | IOCB_t *entry; |
3459 | IOCB_t *irsp = NULL; | |
3460 | struct lpfc_iocbq *rspiocbp = NULL; | |
dea3101e | 3461 | uint32_t portRspPut, portRspMax; |
dea3101e | 3462 | unsigned long iflag; |
3772a991 | 3463 | uint32_t status; |
dea3101e | 3464 | |
34b02dcd | 3465 | pgp = &phba->port_gp[pring->ringno]; |
2e0fef85 | 3466 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e JB |
3467 | pring->stats.iocb_event++; |
3468 | ||
dea3101e JB |
3469 | /* |
3470 | * The next available response entry should never exceed the maximum | |
3471 | * entries. If it does, treat it as an adapter hardware error. | |
3472 | */ | |
7e56aa25 | 3473 | portRspMax = pring->sli.sli3.numRiocb; |
dea3101e JB |
3474 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3475 | if (portRspPut >= portRspMax) { | |
3476 | /* | |
025dfdaf | 3477 | * Ring <ringno> handler: portRspPut <portRspPut> is bigger than |
dea3101e JB |
3478 | * rsp ring <portRspMax> |
3479 | */ | |
ed957684 | 3480 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 | 3481 | "0303 Ring %d handler: portRspPut %d " |
025dfdaf | 3482 | "is bigger than rsp ring %d\n", |
e8b62011 | 3483 | pring->ringno, portRspPut, portRspMax); |
dea3101e | 3484 | |
2e0fef85 JS |
3485 | phba->link_state = LPFC_HBA_ERROR; |
3486 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
dea3101e JB |
3487 | |
3488 | phba->work_hs = HS_FFER3; | |
3489 | lpfc_handle_eratt(phba); | |
3490 | ||
3772a991 | 3491 | return; |
dea3101e JB |
3492 | } |
3493 | ||
3494 | rmb(); | |
7e56aa25 | 3495 | while (pring->sli.sli3.rspidx != portRspPut) { |
dea3101e JB |
3496 | /* |
3497 | * Build a completion list and call the appropriate handler. | |
3498 | * The process is to get the next available response iocb, get | |
3499 | * a free iocb from the list, copy the response data into the | |
3500 | * free iocb, insert to the continuation list, and update the | |
3501 | * next response index to slim. This process makes response | |
3502 | * iocb's in the ring available to DMA as fast as possible but | |
3503 | * pays a penalty for a copy operation. Since the iocb is | |
3504 | * only 32 bytes, this penalty is considered small relative to | |
3505 | * the PCI reads for register values and a slim write. When | |
3506 | * the ulpLe field is set, the entire Command has been | |
3507 | * received. | |
3508 | */ | |
ed957684 JS |
3509 | entry = lpfc_resp_iocb(phba, pring); |
3510 | ||
858c9f6c | 3511 | phba->last_completion_time = jiffies; |
2e0fef85 | 3512 | rspiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
3513 | if (rspiocbp == NULL) { |
3514 | printk(KERN_ERR "%s: out of buffers! Failing " | |
cadbd4a5 | 3515 | "completion.\n", __func__); |
dea3101e JB |
3516 | break; |
3517 | } | |
3518 | ||
ed957684 JS |
3519 | lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb, |
3520 | phba->iocb_rsp_size); | |
dea3101e JB |
3521 | irsp = &rspiocbp->iocb; |
3522 | ||
7e56aa25 JS |
3523 | if (++pring->sli.sli3.rspidx >= portRspMax) |
3524 | pring->sli.sli3.rspidx = 0; | |
dea3101e | 3525 | |
a58cbd52 JS |
3526 | if (pring->ringno == LPFC_ELS_RING) { |
3527 | lpfc_debugfs_slow_ring_trc(phba, | |
3528 | "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x", | |
3529 | *(((uint32_t *) irsp) + 4), | |
3530 | *(((uint32_t *) irsp) + 6), | |
3531 | *(((uint32_t *) irsp) + 7)); | |
3532 | } | |
3533 | ||
7e56aa25 JS |
3534 | writel(pring->sli.sli3.rspidx, |
3535 | &phba->host_gp[pring->ringno].rspGetInx); | |
dea3101e | 3536 | |
3772a991 JS |
3537 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3538 | /* Handle the response IOCB */ | |
3539 | rspiocbp = lpfc_sli_sp_handle_rspiocb(phba, pring, rspiocbp); | |
3540 | spin_lock_irqsave(&phba->hbalock, iflag); | |
dea3101e JB |
3541 | |
3542 | /* | |
3543 | * If the port response put pointer has not been updated, sync | |
3544 | * the pgp->rspPutInx in the MAILBOX_tand fetch the new port | |
3545 | * response put pointer. | |
3546 | */ | |
7e56aa25 | 3547 | if (pring->sli.sli3.rspidx == portRspPut) { |
dea3101e JB |
3548 | portRspPut = le32_to_cpu(pgp->rspPutInx); |
3549 | } | |
7e56aa25 | 3550 | } /* while (pring->sli.sli3.rspidx != portRspPut) */ |
dea3101e | 3551 | |
92d7f7b0 | 3552 | if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) { |
dea3101e JB |
3553 | /* At least one response entry has been freed */ |
3554 | pring->stats.iocb_rsp_full++; | |
3555 | /* SET RxRE_RSP in Chip Att register */ | |
3556 | status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4)); | |
3557 | writel(status, phba->CAregaddr); | |
3558 | readl(phba->CAregaddr); /* flush */ | |
3559 | } | |
3560 | if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) { | |
3561 | pring->flag &= ~LPFC_CALL_RING_AVAILABLE; | |
3562 | pring->stats.iocb_cmd_empty++; | |
3563 | ||
3564 | /* Force update of the local copy of cmdGetInx */ | |
7e56aa25 | 3565 | pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx); |
dea3101e JB |
3566 | lpfc_sli_resume_iocb(phba, pring); |
3567 | ||
3568 | if ((pring->lpfc_sli_cmd_available)) | |
3569 | (pring->lpfc_sli_cmd_available) (phba, pring); | |
3570 | ||
3571 | } | |
3572 | ||
2e0fef85 | 3573 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
3772a991 | 3574 | return; |
dea3101e JB |
3575 | } |
3576 | ||
4f774513 JS |
3577 | /** |
3578 | * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events | |
3579 | * @phba: Pointer to HBA context object. | |
3580 | * @pring: Pointer to driver SLI ring object. | |
3581 | * @mask: Host attention register mask for this ring. | |
3582 | * | |
3583 | * This function is called from the worker thread when there is a pending | |
3584 | * ELS response iocb on the driver internal slow-path response iocb worker | |
3585 | * queue. The caller does not hold any lock. The function will remove each | |
3586 | * response iocb from the response worker queue and calls the handle | |
3587 | * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it. | |
3588 | **/ | |
3589 | static void | |
3590 | lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba, | |
3591 | struct lpfc_sli_ring *pring, uint32_t mask) | |
3592 | { | |
3593 | struct lpfc_iocbq *irspiocbq; | |
4d9ab994 JS |
3594 | struct hbq_dmabuf *dmabuf; |
3595 | struct lpfc_cq_event *cq_event; | |
4f774513 JS |
3596 | unsigned long iflag; |
3597 | ||
45ed1190 JS |
3598 | spin_lock_irqsave(&phba->hbalock, iflag); |
3599 | phba->hba_flag &= ~HBA_SP_QUEUE_EVT; | |
3600 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
3601 | while (!list_empty(&phba->sli4_hba.sp_queue_event)) { | |
4f774513 JS |
3602 | /* Get the response iocb from the head of work queue */ |
3603 | spin_lock_irqsave(&phba->hbalock, iflag); | |
45ed1190 | 3604 | list_remove_head(&phba->sli4_hba.sp_queue_event, |
4d9ab994 | 3605 | cq_event, struct lpfc_cq_event, list); |
4f774513 | 3606 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
4d9ab994 JS |
3607 | |
3608 | switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) { | |
3609 | case CQE_CODE_COMPL_WQE: | |
3610 | irspiocbq = container_of(cq_event, struct lpfc_iocbq, | |
3611 | cq_event); | |
45ed1190 JS |
3612 | /* Translate ELS WCQE to response IOCBQ */ |
3613 | irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba, | |
3614 | irspiocbq); | |
3615 | if (irspiocbq) | |
3616 | lpfc_sli_sp_handle_rspiocb(phba, pring, | |
3617 | irspiocbq); | |
4d9ab994 JS |
3618 | break; |
3619 | case CQE_CODE_RECEIVE: | |
7851fe2c | 3620 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 JS |
3621 | dmabuf = container_of(cq_event, struct hbq_dmabuf, |
3622 | cq_event); | |
3623 | lpfc_sli4_handle_received_buffer(phba, dmabuf); | |
3624 | break; | |
3625 | default: | |
3626 | break; | |
3627 | } | |
4f774513 JS |
3628 | } |
3629 | } | |
3630 | ||
e59058c4 | 3631 | /** |
3621a710 | 3632 | * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring |
e59058c4 JS |
3633 | * @phba: Pointer to HBA context object. |
3634 | * @pring: Pointer to driver SLI ring object. | |
3635 | * | |
3636 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3637 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3638 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3639 | * the return of this function. The caller is not required to hold any locks. | |
3640 | **/ | |
2e0fef85 | 3641 | void |
dea3101e JB |
3642 | lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) |
3643 | { | |
2534ba75 | 3644 | LIST_HEAD(completions); |
dea3101e | 3645 | struct lpfc_iocbq *iocb, *next_iocb; |
dea3101e | 3646 | |
92d7f7b0 JS |
3647 | if (pring->ringno == LPFC_ELS_RING) { |
3648 | lpfc_fabric_abort_hba(phba); | |
3649 | } | |
3650 | ||
dea3101e JB |
3651 | /* Error everything on txq and txcmplq |
3652 | * First do the txq. | |
3653 | */ | |
db55fba8 JS |
3654 | if (phba->sli_rev >= LPFC_SLI_REV4) { |
3655 | spin_lock_irq(&pring->ring_lock); | |
3656 | list_splice_init(&pring->txq, &completions); | |
3657 | pring->txq_cnt = 0; | |
3658 | spin_unlock_irq(&pring->ring_lock); | |
dea3101e | 3659 | |
db55fba8 JS |
3660 | spin_lock_irq(&phba->hbalock); |
3661 | /* Next issue ABTS for everything on the txcmplq */ | |
3662 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3663 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3664 | spin_unlock_irq(&phba->hbalock); | |
3665 | } else { | |
3666 | spin_lock_irq(&phba->hbalock); | |
3667 | list_splice_init(&pring->txq, &completions); | |
3668 | pring->txq_cnt = 0; | |
dea3101e | 3669 | |
db55fba8 JS |
3670 | /* Next issue ABTS for everything on the txcmplq */ |
3671 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3672 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
3673 | spin_unlock_irq(&phba->hbalock); | |
3674 | } | |
dea3101e | 3675 | |
a257bf90 JS |
3676 | /* Cancel all the IOCBs from the completions list */ |
3677 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
3678 | IOERR_SLI_ABORTED); | |
dea3101e JB |
3679 | } |
3680 | ||
895427bd JS |
3681 | /** |
3682 | * lpfc_sli_abort_wqe_ring - Abort all iocbs in the ring | |
3683 | * @phba: Pointer to HBA context object. | |
3684 | * @pring: Pointer to driver SLI ring object. | |
3685 | * | |
3686 | * This function aborts all iocbs in the given ring and frees all the iocb | |
3687 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3688 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3689 | * the return of this function. The caller is not required to hold any locks. | |
3690 | **/ | |
3691 | void | |
3692 | lpfc_sli_abort_wqe_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) | |
3693 | { | |
3694 | LIST_HEAD(completions); | |
3695 | struct lpfc_iocbq *iocb, *next_iocb; | |
3696 | ||
3697 | if (pring->ringno == LPFC_ELS_RING) | |
3698 | lpfc_fabric_abort_hba(phba); | |
3699 | ||
3700 | spin_lock_irq(&phba->hbalock); | |
3701 | /* Next issue ABTS for everything on the txcmplq */ | |
3702 | list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) | |
3703 | lpfc_sli4_abort_nvme_io(phba, pring, iocb); | |
3704 | spin_unlock_irq(&phba->hbalock); | |
3705 | } | |
3706 | ||
3707 | ||
db55fba8 JS |
3708 | /** |
3709 | * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings | |
3710 | * @phba: Pointer to HBA context object. | |
3711 | * @pring: Pointer to driver SLI ring object. | |
3712 | * | |
3713 | * This function aborts all iocbs in FCP rings and frees all the iocb | |
3714 | * objects in txq. This function issues an abort iocb for all the iocb commands | |
3715 | * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before | |
3716 | * the return of this function. The caller is not required to hold any locks. | |
3717 | **/ | |
3718 | void | |
3719 | lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba) | |
3720 | { | |
3721 | struct lpfc_sli *psli = &phba->sli; | |
3722 | struct lpfc_sli_ring *pring; | |
3723 | uint32_t i; | |
3724 | ||
3725 | /* Look on all the FCP Rings for the iotag */ | |
3726 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
3727 | for (i = 0; i < phba->cfg_fcp_io_channel; i++) { | |
895427bd | 3728 | pring = phba->sli4_hba.fcp_wq[i]->pring; |
db55fba8 JS |
3729 | lpfc_sli_abort_iocb_ring(phba, pring); |
3730 | } | |
3731 | } else { | |
895427bd | 3732 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
db55fba8 JS |
3733 | lpfc_sli_abort_iocb_ring(phba, pring); |
3734 | } | |
3735 | } | |
3736 | ||
895427bd JS |
3737 | /** |
3738 | * lpfc_sli_abort_nvme_rings - Abort all wqes in all NVME rings | |
3739 | * @phba: Pointer to HBA context object. | |
3740 | * | |
3741 | * This function aborts all wqes in NVME rings. This function issues an | |
3742 | * abort wqe for all the outstanding IO commands in txcmplq. The iocbs in | |
3743 | * the txcmplq is not guaranteed to complete before the return of this | |
3744 | * function. The caller is not required to hold any locks. | |
3745 | **/ | |
3746 | void | |
3747 | lpfc_sli_abort_nvme_rings(struct lpfc_hba *phba) | |
3748 | { | |
3749 | struct lpfc_sli_ring *pring; | |
3750 | uint32_t i; | |
3751 | ||
3752 | if (phba->sli_rev < LPFC_SLI_REV4) | |
3753 | return; | |
3754 | ||
3755 | /* Abort all IO on each NVME ring. */ | |
3756 | for (i = 0; i < phba->cfg_nvme_io_channel; i++) { | |
3757 | pring = phba->sli4_hba.nvme_wq[i]->pring; | |
3758 | lpfc_sli_abort_wqe_ring(phba, pring); | |
3759 | } | |
3760 | } | |
3761 | ||
db55fba8 | 3762 | |
a8e497d5 | 3763 | /** |
3621a710 | 3764 | * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring |
a8e497d5 JS |
3765 | * @phba: Pointer to HBA context object. |
3766 | * | |
3767 | * This function flushes all iocbs in the fcp ring and frees all the iocb | |
3768 | * objects in txq and txcmplq. This function will not issue abort iocbs | |
3769 | * for all the iocb commands in txcmplq, they will just be returned with | |
3770 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
3771 | * slot has been permanently disabled. | |
3772 | **/ | |
3773 | void | |
3774 | lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba) | |
3775 | { | |
3776 | LIST_HEAD(txq); | |
3777 | LIST_HEAD(txcmplq); | |
a8e497d5 JS |
3778 | struct lpfc_sli *psli = &phba->sli; |
3779 | struct lpfc_sli_ring *pring; | |
db55fba8 | 3780 | uint32_t i; |
a8e497d5 JS |
3781 | |
3782 | spin_lock_irq(&phba->hbalock); | |
4f2e66c6 JS |
3783 | /* Indicate the I/O queues are flushed */ |
3784 | phba->hba_flag |= HBA_FCP_IOQ_FLUSH; | |
a8e497d5 JS |
3785 | spin_unlock_irq(&phba->hbalock); |
3786 | ||
db55fba8 JS |
3787 | /* Look on all the FCP Rings for the iotag */ |
3788 | if (phba->sli_rev >= LPFC_SLI_REV4) { | |
3789 | for (i = 0; i < phba->cfg_fcp_io_channel; i++) { | |
895427bd | 3790 | pring = phba->sli4_hba.fcp_wq[i]->pring; |
db55fba8 JS |
3791 | |
3792 | spin_lock_irq(&pring->ring_lock); | |
3793 | /* Retrieve everything on txq */ | |
3794 | list_splice_init(&pring->txq, &txq); | |
3795 | /* Retrieve everything on the txcmplq */ | |
3796 | list_splice_init(&pring->txcmplq, &txcmplq); | |
3797 | pring->txq_cnt = 0; | |
3798 | pring->txcmplq_cnt = 0; | |
3799 | spin_unlock_irq(&pring->ring_lock); | |
3800 | ||
3801 | /* Flush the txq */ | |
3802 | lpfc_sli_cancel_iocbs(phba, &txq, | |
3803 | IOSTAT_LOCAL_REJECT, | |
3804 | IOERR_SLI_DOWN); | |
3805 | /* Flush the txcmpq */ | |
3806 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
3807 | IOSTAT_LOCAL_REJECT, | |
3808 | IOERR_SLI_DOWN); | |
3809 | } | |
3810 | } else { | |
895427bd | 3811 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
a8e497d5 | 3812 | |
db55fba8 JS |
3813 | spin_lock_irq(&phba->hbalock); |
3814 | /* Retrieve everything on txq */ | |
3815 | list_splice_init(&pring->txq, &txq); | |
3816 | /* Retrieve everything on the txcmplq */ | |
3817 | list_splice_init(&pring->txcmplq, &txcmplq); | |
3818 | pring->txq_cnt = 0; | |
3819 | pring->txcmplq_cnt = 0; | |
3820 | spin_unlock_irq(&phba->hbalock); | |
3821 | ||
3822 | /* Flush the txq */ | |
3823 | lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT, | |
3824 | IOERR_SLI_DOWN); | |
3825 | /* Flush the txcmpq */ | |
3826 | lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT, | |
3827 | IOERR_SLI_DOWN); | |
3828 | } | |
a8e497d5 JS |
3829 | } |
3830 | ||
895427bd JS |
3831 | /** |
3832 | * lpfc_sli_flush_nvme_rings - flush all wqes in the nvme rings | |
3833 | * @phba: Pointer to HBA context object. | |
3834 | * | |
3835 | * This function flushes all wqes in the nvme rings and frees all resources | |
3836 | * in the txcmplq. This function does not issue abort wqes for the IO | |
3837 | * commands in txcmplq, they will just be returned with | |
3838 | * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI | |
3839 | * slot has been permanently disabled. | |
3840 | **/ | |
3841 | void | |
3842 | lpfc_sli_flush_nvme_rings(struct lpfc_hba *phba) | |
3843 | { | |
3844 | LIST_HEAD(txcmplq); | |
3845 | struct lpfc_sli_ring *pring; | |
3846 | uint32_t i; | |
3847 | ||
3848 | if (phba->sli_rev < LPFC_SLI_REV4) | |
3849 | return; | |
3850 | ||
3851 | /* Hint to other driver operations that a flush is in progress. */ | |
3852 | spin_lock_irq(&phba->hbalock); | |
3853 | phba->hba_flag |= HBA_NVME_IOQ_FLUSH; | |
3854 | spin_unlock_irq(&phba->hbalock); | |
3855 | ||
3856 | /* Cycle through all NVME rings and complete each IO with | |
3857 | * a local driver reason code. This is a flush so no | |
3858 | * abort exchange to FW. | |
3859 | */ | |
3860 | for (i = 0; i < phba->cfg_nvme_io_channel; i++) { | |
3861 | pring = phba->sli4_hba.nvme_wq[i]->pring; | |
3862 | ||
3863 | /* Retrieve everything on the txcmplq */ | |
3864 | spin_lock_irq(&pring->ring_lock); | |
3865 | list_splice_init(&pring->txcmplq, &txcmplq); | |
3866 | pring->txcmplq_cnt = 0; | |
3867 | spin_unlock_irq(&pring->ring_lock); | |
3868 | ||
3869 | /* Flush the txcmpq &&&PAE */ | |
3870 | lpfc_sli_cancel_iocbs(phba, &txcmplq, | |
3871 | IOSTAT_LOCAL_REJECT, | |
3872 | IOERR_SLI_DOWN); | |
3873 | } | |
3874 | } | |
3875 | ||
e59058c4 | 3876 | /** |
3772a991 | 3877 | * lpfc_sli_brdready_s3 - Check for sli3 host ready status |
e59058c4 JS |
3878 | * @phba: Pointer to HBA context object. |
3879 | * @mask: Bit mask to be checked. | |
3880 | * | |
3881 | * This function reads the host status register and compares | |
3882 | * with the provided bit mask to check if HBA completed | |
3883 | * the restart. This function will wait in a loop for the | |
3884 | * HBA to complete restart. If the HBA does not restart within | |
3885 | * 15 iterations, the function will reset the HBA again. The | |
3886 | * function returns 1 when HBA fail to restart otherwise returns | |
3887 | * zero. | |
3888 | **/ | |
3772a991 JS |
3889 | static int |
3890 | lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask) | |
dea3101e | 3891 | { |
41415862 JW |
3892 | uint32_t status; |
3893 | int i = 0; | |
3894 | int retval = 0; | |
dea3101e | 3895 | |
41415862 | 3896 | /* Read the HBA Host Status Register */ |
9940b97b JS |
3897 | if (lpfc_readl(phba->HSregaddr, &status)) |
3898 | return 1; | |
dea3101e | 3899 | |
41415862 JW |
3900 | /* |
3901 | * Check status register every 100ms for 5 retries, then every | |
3902 | * 500ms for 5, then every 2.5 sec for 5, then reset board and | |
3903 | * every 2.5 sec for 4. | |
3904 | * Break our of the loop if errors occurred during init. | |
3905 | */ | |
3906 | while (((status & mask) != mask) && | |
3907 | !(status & HS_FFERM) && | |
3908 | i++ < 20) { | |
dea3101e | 3909 | |
41415862 JW |
3910 | if (i <= 5) |
3911 | msleep(10); | |
3912 | else if (i <= 10) | |
3913 | msleep(500); | |
3914 | else | |
3915 | msleep(2500); | |
dea3101e | 3916 | |
41415862 | 3917 | if (i == 15) { |
2e0fef85 | 3918 | /* Do post */ |
92d7f7b0 | 3919 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 JW |
3920 | lpfc_sli_brdrestart(phba); |
3921 | } | |
3922 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
3923 | if (lpfc_readl(phba->HSregaddr, &status)) { |
3924 | retval = 1; | |
3925 | break; | |
3926 | } | |
41415862 | 3927 | } |
dea3101e | 3928 | |
41415862 JW |
3929 | /* Check to see if any errors occurred during init */ |
3930 | if ((status & HS_FFERM) || (i >= 20)) { | |
e40a02c1 JS |
3931 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
3932 | "2751 Adapter failed to restart, " | |
3933 | "status reg x%x, FW Data: A8 x%x AC x%x\n", | |
3934 | status, | |
3935 | readl(phba->MBslimaddr + 0xa8), | |
3936 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 3937 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 3938 | retval = 1; |
dea3101e | 3939 | } |
dea3101e | 3940 | |
41415862 JW |
3941 | return retval; |
3942 | } | |
dea3101e | 3943 | |
da0436e9 JS |
3944 | /** |
3945 | * lpfc_sli_brdready_s4 - Check for sli4 host ready status | |
3946 | * @phba: Pointer to HBA context object. | |
3947 | * @mask: Bit mask to be checked. | |
3948 | * | |
3949 | * This function checks the host status register to check if HBA is | |
3950 | * ready. This function will wait in a loop for the HBA to be ready | |
3951 | * If the HBA is not ready , the function will will reset the HBA PCI | |
3952 | * function again. The function returns 1 when HBA fail to be ready | |
3953 | * otherwise returns zero. | |
3954 | **/ | |
3955 | static int | |
3956 | lpfc_sli_brdready_s4(struct lpfc_hba *phba, uint32_t mask) | |
3957 | { | |
3958 | uint32_t status; | |
3959 | int retval = 0; | |
3960 | ||
3961 | /* Read the HBA Host Status Register */ | |
3962 | status = lpfc_sli4_post_status_check(phba); | |
3963 | ||
3964 | if (status) { | |
3965 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; | |
3966 | lpfc_sli_brdrestart(phba); | |
3967 | status = lpfc_sli4_post_status_check(phba); | |
3968 | } | |
3969 | ||
3970 | /* Check to see if any errors occurred during init */ | |
3971 | if (status) { | |
3972 | phba->link_state = LPFC_HBA_ERROR; | |
3973 | retval = 1; | |
3974 | } else | |
3975 | phba->sli4_hba.intr_enable = 0; | |
3976 | ||
3977 | return retval; | |
3978 | } | |
3979 | ||
3980 | /** | |
3981 | * lpfc_sli_brdready - Wrapper func for checking the hba readyness | |
3982 | * @phba: Pointer to HBA context object. | |
3983 | * @mask: Bit mask to be checked. | |
3984 | * | |
3985 | * This routine wraps the actual SLI3 or SLI4 hba readyness check routine | |
3986 | * from the API jump table function pointer from the lpfc_hba struct. | |
3987 | **/ | |
3988 | int | |
3989 | lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask) | |
3990 | { | |
3991 | return phba->lpfc_sli_brdready(phba, mask); | |
3992 | } | |
3993 | ||
9290831f JS |
3994 | #define BARRIER_TEST_PATTERN (0xdeadbeef) |
3995 | ||
e59058c4 | 3996 | /** |
3621a710 | 3997 | * lpfc_reset_barrier - Make HBA ready for HBA reset |
e59058c4 JS |
3998 | * @phba: Pointer to HBA context object. |
3999 | * | |
1b51197d JS |
4000 | * This function is called before resetting an HBA. This function is called |
4001 | * with hbalock held and requests HBA to quiesce DMAs before a reset. | |
e59058c4 | 4002 | **/ |
2e0fef85 | 4003 | void lpfc_reset_barrier(struct lpfc_hba *phba) |
9290831f | 4004 | { |
65a29c16 JS |
4005 | uint32_t __iomem *resp_buf; |
4006 | uint32_t __iomem *mbox_buf; | |
9290831f | 4007 | volatile uint32_t mbox; |
9940b97b | 4008 | uint32_t hc_copy, ha_copy, resp_data; |
9290831f JS |
4009 | int i; |
4010 | uint8_t hdrtype; | |
4011 | ||
1c2ba475 JT |
4012 | lockdep_assert_held(&phba->hbalock); |
4013 | ||
9290831f JS |
4014 | pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype); |
4015 | if (hdrtype != 0x80 || | |
4016 | (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID && | |
4017 | FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID)) | |
4018 | return; | |
4019 | ||
4020 | /* | |
4021 | * Tell the other part of the chip to suspend temporarily all | |
4022 | * its DMA activity. | |
4023 | */ | |
65a29c16 | 4024 | resp_buf = phba->MBslimaddr; |
9290831f JS |
4025 | |
4026 | /* Disable the error attention */ | |
9940b97b JS |
4027 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
4028 | return; | |
9290831f JS |
4029 | writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr); |
4030 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 | 4031 | phba->link_flag |= LS_IGNORE_ERATT; |
9290831f | 4032 | |
9940b97b JS |
4033 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4034 | return; | |
4035 | if (ha_copy & HA_ERATT) { | |
9290831f JS |
4036 | /* Clear Chip error bit */ |
4037 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4038 | phba->pport->stopped = 1; |
9290831f JS |
4039 | } |
4040 | ||
4041 | mbox = 0; | |
4042 | ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD; | |
4043 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP; | |
4044 | ||
4045 | writel(BARRIER_TEST_PATTERN, (resp_buf + 1)); | |
65a29c16 | 4046 | mbox_buf = phba->MBslimaddr; |
9290831f JS |
4047 | writel(mbox, mbox_buf); |
4048 | ||
9940b97b JS |
4049 | for (i = 0; i < 50; i++) { |
4050 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4051 | return; | |
4052 | if (resp_data != ~(BARRIER_TEST_PATTERN)) | |
4053 | mdelay(1); | |
4054 | else | |
4055 | break; | |
4056 | } | |
4057 | resp_data = 0; | |
4058 | if (lpfc_readl((resp_buf + 1), &resp_data)) | |
4059 | return; | |
4060 | if (resp_data != ~(BARRIER_TEST_PATTERN)) { | |
f4b4c68f | 4061 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE || |
2e0fef85 | 4062 | phba->pport->stopped) |
9290831f JS |
4063 | goto restore_hc; |
4064 | else | |
4065 | goto clear_errat; | |
4066 | } | |
4067 | ||
4068 | ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST; | |
9940b97b JS |
4069 | resp_data = 0; |
4070 | for (i = 0; i < 500; i++) { | |
4071 | if (lpfc_readl(resp_buf, &resp_data)) | |
4072 | return; | |
4073 | if (resp_data != mbox) | |
4074 | mdelay(1); | |
4075 | else | |
4076 | break; | |
4077 | } | |
9290831f JS |
4078 | |
4079 | clear_errat: | |
4080 | ||
9940b97b JS |
4081 | while (++i < 500) { |
4082 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) | |
4083 | return; | |
4084 | if (!(ha_copy & HA_ERATT)) | |
4085 | mdelay(1); | |
4086 | else | |
4087 | break; | |
4088 | } | |
9290831f JS |
4089 | |
4090 | if (readl(phba->HAregaddr) & HA_ERATT) { | |
4091 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4092 | phba->pport->stopped = 1; |
9290831f JS |
4093 | } |
4094 | ||
4095 | restore_hc: | |
2e0fef85 | 4096 | phba->link_flag &= ~LS_IGNORE_ERATT; |
9290831f JS |
4097 | writel(hc_copy, phba->HCregaddr); |
4098 | readl(phba->HCregaddr); /* flush */ | |
4099 | } | |
4100 | ||
e59058c4 | 4101 | /** |
3621a710 | 4102 | * lpfc_sli_brdkill - Issue a kill_board mailbox command |
e59058c4 JS |
4103 | * @phba: Pointer to HBA context object. |
4104 | * | |
4105 | * This function issues a kill_board mailbox command and waits for | |
4106 | * the error attention interrupt. This function is called for stopping | |
4107 | * the firmware processing. The caller is not required to hold any | |
4108 | * locks. This function calls lpfc_hba_down_post function to free | |
4109 | * any pending commands after the kill. The function will return 1 when it | |
4110 | * fails to kill the board else will return 0. | |
4111 | **/ | |
41415862 | 4112 | int |
2e0fef85 | 4113 | lpfc_sli_brdkill(struct lpfc_hba *phba) |
41415862 JW |
4114 | { |
4115 | struct lpfc_sli *psli; | |
4116 | LPFC_MBOXQ_t *pmb; | |
4117 | uint32_t status; | |
4118 | uint32_t ha_copy; | |
4119 | int retval; | |
4120 | int i = 0; | |
dea3101e | 4121 | |
41415862 | 4122 | psli = &phba->sli; |
dea3101e | 4123 | |
41415862 | 4124 | /* Kill HBA */ |
ed957684 | 4125 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 JS |
4126 | "0329 Kill HBA Data: x%x x%x\n", |
4127 | phba->pport->port_state, psli->sli_flag); | |
41415862 | 4128 | |
98c9ea5c JS |
4129 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4130 | if (!pmb) | |
41415862 | 4131 | return 1; |
41415862 JW |
4132 | |
4133 | /* Disable the error attention */ | |
2e0fef85 | 4134 | spin_lock_irq(&phba->hbalock); |
9940b97b JS |
4135 | if (lpfc_readl(phba->HCregaddr, &status)) { |
4136 | spin_unlock_irq(&phba->hbalock); | |
4137 | mempool_free(pmb, phba->mbox_mem_pool); | |
4138 | return 1; | |
4139 | } | |
41415862 JW |
4140 | status &= ~HC_ERINT_ENA; |
4141 | writel(status, phba->HCregaddr); | |
4142 | readl(phba->HCregaddr); /* flush */ | |
2e0fef85 JS |
4143 | phba->link_flag |= LS_IGNORE_ERATT; |
4144 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4145 | |
4146 | lpfc_kill_board(phba, pmb); | |
4147 | pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
4148 | retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
4149 | ||
4150 | if (retval != MBX_SUCCESS) { | |
4151 | if (retval != MBX_BUSY) | |
4152 | mempool_free(pmb, phba->mbox_mem_pool); | |
e40a02c1 JS |
4153 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
4154 | "2752 KILL_BOARD command failed retval %d\n", | |
4155 | retval); | |
2e0fef85 JS |
4156 | spin_lock_irq(&phba->hbalock); |
4157 | phba->link_flag &= ~LS_IGNORE_ERATT; | |
4158 | spin_unlock_irq(&phba->hbalock); | |
41415862 JW |
4159 | return 1; |
4160 | } | |
4161 | ||
f4b4c68f JS |
4162 | spin_lock_irq(&phba->hbalock); |
4163 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; | |
4164 | spin_unlock_irq(&phba->hbalock); | |
9290831f | 4165 | |
41415862 JW |
4166 | mempool_free(pmb, phba->mbox_mem_pool); |
4167 | ||
4168 | /* There is no completion for a KILL_BOARD mbox cmd. Check for an error | |
4169 | * attention every 100ms for 3 seconds. If we don't get ERATT after | |
4170 | * 3 seconds we still set HBA_ERROR state because the status of the | |
4171 | * board is now undefined. | |
4172 | */ | |
9940b97b JS |
4173 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4174 | return 1; | |
41415862 JW |
4175 | while ((i++ < 30) && !(ha_copy & HA_ERATT)) { |
4176 | mdelay(100); | |
9940b97b JS |
4177 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
4178 | return 1; | |
41415862 JW |
4179 | } |
4180 | ||
4181 | del_timer_sync(&psli->mbox_tmo); | |
9290831f JS |
4182 | if (ha_copy & HA_ERATT) { |
4183 | writel(HA_ERATT, phba->HAregaddr); | |
2e0fef85 | 4184 | phba->pport->stopped = 1; |
9290831f | 4185 | } |
2e0fef85 | 4186 | spin_lock_irq(&phba->hbalock); |
41415862 | 4187 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
04c68496 | 4188 | psli->mbox_active = NULL; |
2e0fef85 JS |
4189 | phba->link_flag &= ~LS_IGNORE_ERATT; |
4190 | spin_unlock_irq(&phba->hbalock); | |
41415862 | 4191 | |
41415862 | 4192 | lpfc_hba_down_post(phba); |
2e0fef85 | 4193 | phba->link_state = LPFC_HBA_ERROR; |
41415862 | 4194 | |
2e0fef85 | 4195 | return ha_copy & HA_ERATT ? 0 : 1; |
dea3101e JB |
4196 | } |
4197 | ||
e59058c4 | 4198 | /** |
3772a991 | 4199 | * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA |
e59058c4 JS |
4200 | * @phba: Pointer to HBA context object. |
4201 | * | |
4202 | * This function resets the HBA by writing HC_INITFF to the control | |
4203 | * register. After the HBA resets, this function resets all the iocb ring | |
4204 | * indices. This function disables PCI layer parity checking during | |
4205 | * the reset. | |
4206 | * This function returns 0 always. | |
4207 | * The caller is not required to hold any locks. | |
4208 | **/ | |
41415862 | 4209 | int |
2e0fef85 | 4210 | lpfc_sli_brdreset(struct lpfc_hba *phba) |
dea3101e | 4211 | { |
41415862 | 4212 | struct lpfc_sli *psli; |
dea3101e | 4213 | struct lpfc_sli_ring *pring; |
41415862 | 4214 | uint16_t cfg_value; |
dea3101e | 4215 | int i; |
dea3101e | 4216 | |
41415862 | 4217 | psli = &phba->sli; |
dea3101e | 4218 | |
41415862 JW |
4219 | /* Reset HBA */ |
4220 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4221 | "0325 Reset HBA Data: x%x x%x\n", |
4492b739 JS |
4222 | (phba->pport) ? phba->pport->port_state : 0, |
4223 | psli->sli_flag); | |
dea3101e JB |
4224 | |
4225 | /* perform board reset */ | |
4226 | phba->fc_eventTag = 0; | |
4d9ab994 | 4227 | phba->link_events = 0; |
4492b739 JS |
4228 | if (phba->pport) { |
4229 | phba->pport->fc_myDID = 0; | |
4230 | phba->pport->fc_prevDID = 0; | |
4231 | } | |
dea3101e | 4232 | |
41415862 JW |
4233 | /* Turn off parity checking and serr during the physical reset */ |
4234 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
4235 | pci_write_config_word(phba->pcidev, PCI_COMMAND, | |
4236 | (cfg_value & | |
4237 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4238 | ||
3772a991 JS |
4239 | psli->sli_flag &= ~(LPFC_SLI_ACTIVE | LPFC_PROCESS_LA); |
4240 | ||
41415862 JW |
4241 | /* Now toggle INITFF bit in the Host Control Register */ |
4242 | writel(HC_INITFF, phba->HCregaddr); | |
4243 | mdelay(1); | |
4244 | readl(phba->HCregaddr); /* flush */ | |
4245 | writel(0, phba->HCregaddr); | |
4246 | readl(phba->HCregaddr); /* flush */ | |
4247 | ||
4248 | /* Restore PCI cmd register */ | |
4249 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
dea3101e JB |
4250 | |
4251 | /* Initialize relevant SLI info */ | |
41415862 | 4252 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 4253 | pring = &psli->sli3_ring[i]; |
dea3101e | 4254 | pring->flag = 0; |
7e56aa25 JS |
4255 | pring->sli.sli3.rspidx = 0; |
4256 | pring->sli.sli3.next_cmdidx = 0; | |
4257 | pring->sli.sli3.local_getidx = 0; | |
4258 | pring->sli.sli3.cmdidx = 0; | |
dea3101e JB |
4259 | pring->missbufcnt = 0; |
4260 | } | |
dea3101e | 4261 | |
2e0fef85 | 4262 | phba->link_state = LPFC_WARM_START; |
41415862 JW |
4263 | return 0; |
4264 | } | |
4265 | ||
e59058c4 | 4266 | /** |
da0436e9 JS |
4267 | * lpfc_sli4_brdreset - Reset a sli-4 HBA |
4268 | * @phba: Pointer to HBA context object. | |
4269 | * | |
4270 | * This function resets a SLI4 HBA. This function disables PCI layer parity | |
4271 | * checking during resets the device. The caller is not required to hold | |
4272 | * any locks. | |
4273 | * | |
4274 | * This function returns 0 always. | |
4275 | **/ | |
4276 | int | |
4277 | lpfc_sli4_brdreset(struct lpfc_hba *phba) | |
4278 | { | |
4279 | struct lpfc_sli *psli = &phba->sli; | |
4280 | uint16_t cfg_value; | |
0293635e | 4281 | int rc = 0; |
da0436e9 JS |
4282 | |
4283 | /* Reset HBA */ | |
4284 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
0293635e JS |
4285 | "0295 Reset HBA Data: x%x x%x x%x\n", |
4286 | phba->pport->port_state, psli->sli_flag, | |
4287 | phba->hba_flag); | |
da0436e9 JS |
4288 | |
4289 | /* perform board reset */ | |
4290 | phba->fc_eventTag = 0; | |
4d9ab994 | 4291 | phba->link_events = 0; |
da0436e9 JS |
4292 | phba->pport->fc_myDID = 0; |
4293 | phba->pport->fc_prevDID = 0; | |
4294 | ||
da0436e9 JS |
4295 | spin_lock_irq(&phba->hbalock); |
4296 | psli->sli_flag &= ~(LPFC_PROCESS_LA); | |
4297 | phba->fcf.fcf_flag = 0; | |
da0436e9 JS |
4298 | spin_unlock_irq(&phba->hbalock); |
4299 | ||
0293635e JS |
4300 | /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */ |
4301 | if (phba->hba_flag & HBA_FW_DUMP_OP) { | |
4302 | phba->hba_flag &= ~HBA_FW_DUMP_OP; | |
4303 | return rc; | |
4304 | } | |
4305 | ||
da0436e9 JS |
4306 | /* Now physically reset the device */ |
4307 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4308 | "0389 Performing PCI function reset!\n"); | |
be858b65 JS |
4309 | |
4310 | /* Turn off parity checking and serr during the physical reset */ | |
4311 | pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value); | |
4312 | pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value & | |
4313 | ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR))); | |
4314 | ||
88318816 | 4315 | /* Perform FCoE PCI function reset before freeing queue memory */ |
27b01b82 | 4316 | rc = lpfc_pci_function_reset(phba); |
da0436e9 | 4317 | |
be858b65 JS |
4318 | /* Restore PCI cmd register */ |
4319 | pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value); | |
4320 | ||
27b01b82 | 4321 | return rc; |
da0436e9 JS |
4322 | } |
4323 | ||
4324 | /** | |
4325 | * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba | |
e59058c4 JS |
4326 | * @phba: Pointer to HBA context object. |
4327 | * | |
4328 | * This function is called in the SLI initialization code path to | |
4329 | * restart the HBA. The caller is not required to hold any lock. | |
4330 | * This function writes MBX_RESTART mailbox command to the SLIM and | |
4331 | * resets the HBA. At the end of the function, it calls lpfc_hba_down_post | |
4332 | * function to free any pending commands. The function enables | |
4333 | * POST only during the first initialization. The function returns zero. | |
4334 | * The function does not guarantee completion of MBX_RESTART mailbox | |
4335 | * command before the return of this function. | |
4336 | **/ | |
da0436e9 JS |
4337 | static int |
4338 | lpfc_sli_brdrestart_s3(struct lpfc_hba *phba) | |
41415862 JW |
4339 | { |
4340 | MAILBOX_t *mb; | |
4341 | struct lpfc_sli *psli; | |
41415862 JW |
4342 | volatile uint32_t word0; |
4343 | void __iomem *to_slim; | |
0d878419 | 4344 | uint32_t hba_aer_enabled; |
41415862 | 4345 | |
2e0fef85 | 4346 | spin_lock_irq(&phba->hbalock); |
41415862 | 4347 | |
0d878419 JS |
4348 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4349 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4350 | ||
41415862 JW |
4351 | psli = &phba->sli; |
4352 | ||
4353 | /* Restart HBA */ | |
4354 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
e8b62011 | 4355 | "0337 Restart HBA Data: x%x x%x\n", |
4492b739 JS |
4356 | (phba->pport) ? phba->pport->port_state : 0, |
4357 | psli->sli_flag); | |
41415862 JW |
4358 | |
4359 | word0 = 0; | |
4360 | mb = (MAILBOX_t *) &word0; | |
4361 | mb->mbxCommand = MBX_RESTART; | |
4362 | mb->mbxHc = 1; | |
4363 | ||
9290831f JS |
4364 | lpfc_reset_barrier(phba); |
4365 | ||
41415862 JW |
4366 | to_slim = phba->MBslimaddr; |
4367 | writel(*(uint32_t *) mb, to_slim); | |
4368 | readl(to_slim); /* flush */ | |
4369 | ||
4370 | /* Only skip post after fc_ffinit is completed */ | |
4492b739 | 4371 | if (phba->pport && phba->pport->port_state) |
41415862 | 4372 | word0 = 1; /* This is really setting up word1 */ |
eaf15d5b | 4373 | else |
41415862 | 4374 | word0 = 0; /* This is really setting up word1 */ |
65a29c16 | 4375 | to_slim = phba->MBslimaddr + sizeof (uint32_t); |
41415862 JW |
4376 | writel(*(uint32_t *) mb, to_slim); |
4377 | readl(to_slim); /* flush */ | |
dea3101e | 4378 | |
41415862 | 4379 | lpfc_sli_brdreset(phba); |
4492b739 JS |
4380 | if (phba->pport) |
4381 | phba->pport->stopped = 0; | |
2e0fef85 | 4382 | phba->link_state = LPFC_INIT_START; |
da0436e9 | 4383 | phba->hba_flag = 0; |
2e0fef85 | 4384 | spin_unlock_irq(&phba->hbalock); |
41415862 | 4385 | |
64ba8818 JS |
4386 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); |
4387 | psli->stats_start = get_seconds(); | |
4388 | ||
eaf15d5b JS |
4389 | /* Give the INITFF and Post time to settle. */ |
4390 | mdelay(100); | |
41415862 | 4391 | |
0d878419 JS |
4392 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4393 | if (hba_aer_enabled) | |
4394 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4395 | ||
41415862 | 4396 | lpfc_hba_down_post(phba); |
dea3101e JB |
4397 | |
4398 | return 0; | |
4399 | } | |
4400 | ||
da0436e9 JS |
4401 | /** |
4402 | * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba | |
4403 | * @phba: Pointer to HBA context object. | |
4404 | * | |
4405 | * This function is called in the SLI initialization code path to restart | |
4406 | * a SLI4 HBA. The caller is not required to hold any lock. | |
4407 | * At the end of the function, it calls lpfc_hba_down_post function to | |
4408 | * free any pending commands. | |
4409 | **/ | |
4410 | static int | |
4411 | lpfc_sli_brdrestart_s4(struct lpfc_hba *phba) | |
4412 | { | |
4413 | struct lpfc_sli *psli = &phba->sli; | |
75baf696 | 4414 | uint32_t hba_aer_enabled; |
27b01b82 | 4415 | int rc; |
da0436e9 JS |
4416 | |
4417 | /* Restart HBA */ | |
4418 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
4419 | "0296 Restart HBA Data: x%x x%x\n", | |
4420 | phba->pport->port_state, psli->sli_flag); | |
4421 | ||
75baf696 JS |
4422 | /* Take PCIe device Advanced Error Reporting (AER) state */ |
4423 | hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED; | |
4424 | ||
27b01b82 | 4425 | rc = lpfc_sli4_brdreset(phba); |
da0436e9 JS |
4426 | |
4427 | spin_lock_irq(&phba->hbalock); | |
4428 | phba->pport->stopped = 0; | |
4429 | phba->link_state = LPFC_INIT_START; | |
4430 | phba->hba_flag = 0; | |
4431 | spin_unlock_irq(&phba->hbalock); | |
4432 | ||
4433 | memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets)); | |
4434 | psli->stats_start = get_seconds(); | |
4435 | ||
75baf696 JS |
4436 | /* Reset HBA AER if it was enabled, note hba_flag was reset above */ |
4437 | if (hba_aer_enabled) | |
4438 | pci_disable_pcie_error_reporting(phba->pcidev); | |
4439 | ||
da0436e9 | 4440 | lpfc_hba_down_post(phba); |
569dbe84 | 4441 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 4442 | |
27b01b82 | 4443 | return rc; |
da0436e9 JS |
4444 | } |
4445 | ||
4446 | /** | |
4447 | * lpfc_sli_brdrestart - Wrapper func for restarting hba | |
4448 | * @phba: Pointer to HBA context object. | |
4449 | * | |
4450 | * This routine wraps the actual SLI3 or SLI4 hba restart routine from the | |
4451 | * API jump table function pointer from the lpfc_hba struct. | |
4452 | **/ | |
4453 | int | |
4454 | lpfc_sli_brdrestart(struct lpfc_hba *phba) | |
4455 | { | |
4456 | return phba->lpfc_sli_brdrestart(phba); | |
4457 | } | |
4458 | ||
e59058c4 | 4459 | /** |
3621a710 | 4460 | * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart |
e59058c4 JS |
4461 | * @phba: Pointer to HBA context object. |
4462 | * | |
4463 | * This function is called after a HBA restart to wait for successful | |
4464 | * restart of the HBA. Successful restart of the HBA is indicated by | |
4465 | * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15 | |
4466 | * iteration, the function will restart the HBA again. The function returns | |
4467 | * zero if HBA successfully restarted else returns negative error code. | |
4468 | **/ | |
4492b739 | 4469 | int |
dea3101e JB |
4470 | lpfc_sli_chipset_init(struct lpfc_hba *phba) |
4471 | { | |
4472 | uint32_t status, i = 0; | |
4473 | ||
4474 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4475 | if (lpfc_readl(phba->HSregaddr, &status)) |
4476 | return -EIO; | |
dea3101e JB |
4477 | |
4478 | /* Check status register to see what current state is */ | |
4479 | i = 0; | |
4480 | while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) { | |
4481 | ||
dcf2a4e0 JS |
4482 | /* Check every 10ms for 10 retries, then every 100ms for 90 |
4483 | * retries, then every 1 sec for 50 retires for a total of | |
4484 | * ~60 seconds before reset the board again and check every | |
4485 | * 1 sec for 50 retries. The up to 60 seconds before the | |
4486 | * board ready is required by the Falcon FIPS zeroization | |
4487 | * complete, and any reset the board in between shall cause | |
4488 | * restart of zeroization, further delay the board ready. | |
dea3101e | 4489 | */ |
dcf2a4e0 | 4490 | if (i++ >= 200) { |
dea3101e JB |
4491 | /* Adapter failed to init, timeout, status reg |
4492 | <status> */ | |
ed957684 | 4493 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4494 | "0436 Adapter failed to init, " |
09372820 JS |
4495 | "timeout, status reg x%x, " |
4496 | "FW Data: A8 x%x AC x%x\n", status, | |
4497 | readl(phba->MBslimaddr + 0xa8), | |
4498 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4499 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4500 | return -ETIMEDOUT; |
4501 | } | |
4502 | ||
4503 | /* Check to see if any errors occurred during init */ | |
4504 | if (status & HS_FFERM) { | |
4505 | /* ERROR: During chipset initialization */ | |
4506 | /* Adapter failed to init, chipset, status reg | |
4507 | <status> */ | |
ed957684 | 4508 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4509 | "0437 Adapter failed to init, " |
09372820 JS |
4510 | "chipset, status reg x%x, " |
4511 | "FW Data: A8 x%x AC x%x\n", status, | |
4512 | readl(phba->MBslimaddr + 0xa8), | |
4513 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4514 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4515 | return -EIO; |
4516 | } | |
4517 | ||
dcf2a4e0 | 4518 | if (i <= 10) |
dea3101e | 4519 | msleep(10); |
dcf2a4e0 JS |
4520 | else if (i <= 100) |
4521 | msleep(100); | |
4522 | else | |
4523 | msleep(1000); | |
dea3101e | 4524 | |
dcf2a4e0 JS |
4525 | if (i == 150) { |
4526 | /* Do post */ | |
92d7f7b0 | 4527 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4528 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4529 | } |
4530 | /* Read the HBA Host Status Register */ | |
9940b97b JS |
4531 | if (lpfc_readl(phba->HSregaddr, &status)) |
4532 | return -EIO; | |
dea3101e JB |
4533 | } |
4534 | ||
4535 | /* Check to see if any errors occurred during init */ | |
4536 | if (status & HS_FFERM) { | |
4537 | /* ERROR: During chipset initialization */ | |
4538 | /* Adapter failed to init, chipset, status reg <status> */ | |
ed957684 | 4539 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4540 | "0438 Adapter failed to init, chipset, " |
09372820 JS |
4541 | "status reg x%x, " |
4542 | "FW Data: A8 x%x AC x%x\n", status, | |
4543 | readl(phba->MBslimaddr + 0xa8), | |
4544 | readl(phba->MBslimaddr + 0xac)); | |
2e0fef85 | 4545 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4546 | return -EIO; |
4547 | } | |
4548 | ||
4549 | /* Clear all interrupt enable conditions */ | |
4550 | writel(0, phba->HCregaddr); | |
4551 | readl(phba->HCregaddr); /* flush */ | |
4552 | ||
4553 | /* setup host attn register */ | |
4554 | writel(0xffffffff, phba->HAregaddr); | |
4555 | readl(phba->HAregaddr); /* flush */ | |
4556 | return 0; | |
4557 | } | |
4558 | ||
e59058c4 | 4559 | /** |
3621a710 | 4560 | * lpfc_sli_hbq_count - Get the number of HBQs to be configured |
e59058c4 JS |
4561 | * |
4562 | * This function calculates and returns the number of HBQs required to be | |
4563 | * configured. | |
4564 | **/ | |
78b2d852 | 4565 | int |
ed957684 JS |
4566 | lpfc_sli_hbq_count(void) |
4567 | { | |
92d7f7b0 | 4568 | return ARRAY_SIZE(lpfc_hbq_defs); |
ed957684 JS |
4569 | } |
4570 | ||
e59058c4 | 4571 | /** |
3621a710 | 4572 | * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries |
e59058c4 JS |
4573 | * |
4574 | * This function adds the number of hbq entries in every HBQ to get | |
4575 | * the total number of hbq entries required for the HBA and returns | |
4576 | * the total count. | |
4577 | **/ | |
ed957684 JS |
4578 | static int |
4579 | lpfc_sli_hbq_entry_count(void) | |
4580 | { | |
4581 | int hbq_count = lpfc_sli_hbq_count(); | |
4582 | int count = 0; | |
4583 | int i; | |
4584 | ||
4585 | for (i = 0; i < hbq_count; ++i) | |
92d7f7b0 | 4586 | count += lpfc_hbq_defs[i]->entry_count; |
ed957684 JS |
4587 | return count; |
4588 | } | |
4589 | ||
e59058c4 | 4590 | /** |
3621a710 | 4591 | * lpfc_sli_hbq_size - Calculate memory required for all hbq entries |
e59058c4 JS |
4592 | * |
4593 | * This function calculates amount of memory required for all hbq entries | |
4594 | * to be configured and returns the total memory required. | |
4595 | **/ | |
dea3101e | 4596 | int |
ed957684 JS |
4597 | lpfc_sli_hbq_size(void) |
4598 | { | |
4599 | return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry); | |
4600 | } | |
4601 | ||
e59058c4 | 4602 | /** |
3621a710 | 4603 | * lpfc_sli_hbq_setup - configure and initialize HBQs |
e59058c4 JS |
4604 | * @phba: Pointer to HBA context object. |
4605 | * | |
4606 | * This function is called during the SLI initialization to configure | |
4607 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4608 | * required to hold any locks. This function will return zero if successful | |
4609 | * else it will return negative error code. | |
4610 | **/ | |
ed957684 JS |
4611 | static int |
4612 | lpfc_sli_hbq_setup(struct lpfc_hba *phba) | |
4613 | { | |
4614 | int hbq_count = lpfc_sli_hbq_count(); | |
4615 | LPFC_MBOXQ_t *pmb; | |
4616 | MAILBOX_t *pmbox; | |
4617 | uint32_t hbqno; | |
4618 | uint32_t hbq_entry_index; | |
ed957684 | 4619 | |
92d7f7b0 JS |
4620 | /* Get a Mailbox buffer to setup mailbox |
4621 | * commands for HBA initialization | |
4622 | */ | |
ed957684 JS |
4623 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
4624 | ||
4625 | if (!pmb) | |
4626 | return -ENOMEM; | |
4627 | ||
04c68496 | 4628 | pmbox = &pmb->u.mb; |
ed957684 JS |
4629 | |
4630 | /* Initialize the struct lpfc_sli_hbq structure for each hbq */ | |
4631 | phba->link_state = LPFC_INIT_MBX_CMDS; | |
3163f725 | 4632 | phba->hbq_in_use = 1; |
ed957684 JS |
4633 | |
4634 | hbq_entry_index = 0; | |
4635 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) { | |
4636 | phba->hbqs[hbqno].next_hbqPutIdx = 0; | |
4637 | phba->hbqs[hbqno].hbqPutIdx = 0; | |
4638 | phba->hbqs[hbqno].local_hbqGetIdx = 0; | |
4639 | phba->hbqs[hbqno].entry_count = | |
92d7f7b0 | 4640 | lpfc_hbq_defs[hbqno]->entry_count; |
51ef4c26 JS |
4641 | lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno], |
4642 | hbq_entry_index, pmb); | |
ed957684 JS |
4643 | hbq_entry_index += phba->hbqs[hbqno].entry_count; |
4644 | ||
4645 | if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) { | |
4646 | /* Adapter failed to init, mbxCmd <cmd> CFG_RING, | |
4647 | mbxStatus <status>, ring <num> */ | |
4648 | ||
4649 | lpfc_printf_log(phba, KERN_ERR, | |
92d7f7b0 | 4650 | LOG_SLI | LOG_VPORT, |
e8b62011 | 4651 | "1805 Adapter failed to init. " |
ed957684 | 4652 | "Data: x%x x%x x%x\n", |
e8b62011 | 4653 | pmbox->mbxCommand, |
ed957684 JS |
4654 | pmbox->mbxStatus, hbqno); |
4655 | ||
4656 | phba->link_state = LPFC_HBA_ERROR; | |
4657 | mempool_free(pmb, phba->mbox_mem_pool); | |
6e7288d9 | 4658 | return -ENXIO; |
ed957684 JS |
4659 | } |
4660 | } | |
4661 | phba->hbq_count = hbq_count; | |
4662 | ||
ed957684 JS |
4663 | mempool_free(pmb, phba->mbox_mem_pool); |
4664 | ||
92d7f7b0 | 4665 | /* Initially populate or replenish the HBQs */ |
d7c255b2 JS |
4666 | for (hbqno = 0; hbqno < hbq_count; ++hbqno) |
4667 | lpfc_sli_hbqbuf_init_hbqs(phba, hbqno); | |
ed957684 JS |
4668 | return 0; |
4669 | } | |
4670 | ||
4f774513 JS |
4671 | /** |
4672 | * lpfc_sli4_rb_setup - Initialize and post RBs to HBA | |
4673 | * @phba: Pointer to HBA context object. | |
4674 | * | |
4675 | * This function is called during the SLI initialization to configure | |
4676 | * all the HBQs and post buffers to the HBQ. The caller is not | |
4677 | * required to hold any locks. This function will return zero if successful | |
4678 | * else it will return negative error code. | |
4679 | **/ | |
4680 | static int | |
4681 | lpfc_sli4_rb_setup(struct lpfc_hba *phba) | |
4682 | { | |
4683 | phba->hbq_in_use = 1; | |
895427bd JS |
4684 | phba->hbqs[LPFC_ELS_HBQ].entry_count = |
4685 | lpfc_hbq_defs[LPFC_ELS_HBQ]->entry_count; | |
4f774513 | 4686 | phba->hbq_count = 1; |
895427bd | 4687 | lpfc_sli_hbqbuf_init_hbqs(phba, LPFC_ELS_HBQ); |
4f774513 | 4688 | /* Initially populate or replenish the HBQs */ |
4f774513 JS |
4689 | return 0; |
4690 | } | |
4691 | ||
e59058c4 | 4692 | /** |
3621a710 | 4693 | * lpfc_sli_config_port - Issue config port mailbox command |
e59058c4 JS |
4694 | * @phba: Pointer to HBA context object. |
4695 | * @sli_mode: sli mode - 2/3 | |
4696 | * | |
183b8021 | 4697 | * This function is called by the sli initialization code path |
e59058c4 JS |
4698 | * to issue config_port mailbox command. This function restarts the |
4699 | * HBA firmware and issues a config_port mailbox command to configure | |
4700 | * the SLI interface in the sli mode specified by sli_mode | |
4701 | * variable. The caller is not required to hold any locks. | |
4702 | * The function returns 0 if successful, else returns negative error | |
4703 | * code. | |
4704 | **/ | |
9399627f JS |
4705 | int |
4706 | lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode) | |
dea3101e JB |
4707 | { |
4708 | LPFC_MBOXQ_t *pmb; | |
4709 | uint32_t resetcount = 0, rc = 0, done = 0; | |
4710 | ||
4711 | pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
4712 | if (!pmb) { | |
2e0fef85 | 4713 | phba->link_state = LPFC_HBA_ERROR; |
dea3101e JB |
4714 | return -ENOMEM; |
4715 | } | |
4716 | ||
ed957684 | 4717 | phba->sli_rev = sli_mode; |
dea3101e | 4718 | while (resetcount < 2 && !done) { |
2e0fef85 | 4719 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4720 | phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4721 | spin_unlock_irq(&phba->hbalock); |
92d7f7b0 | 4722 | phba->pport->port_state = LPFC_VPORT_UNKNOWN; |
41415862 | 4723 | lpfc_sli_brdrestart(phba); |
dea3101e JB |
4724 | rc = lpfc_sli_chipset_init(phba); |
4725 | if (rc) | |
4726 | break; | |
4727 | ||
2e0fef85 | 4728 | spin_lock_irq(&phba->hbalock); |
1c067a42 | 4729 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 4730 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4731 | resetcount++; |
4732 | ||
ed957684 JS |
4733 | /* Call pre CONFIG_PORT mailbox command initialization. A |
4734 | * value of 0 means the call was successful. Any other | |
4735 | * nonzero value is a failure, but if ERESTART is returned, | |
4736 | * the driver may reset the HBA and try again. | |
4737 | */ | |
dea3101e JB |
4738 | rc = lpfc_config_port_prep(phba); |
4739 | if (rc == -ERESTART) { | |
ed957684 | 4740 | phba->link_state = LPFC_LINK_UNKNOWN; |
dea3101e | 4741 | continue; |
34b02dcd | 4742 | } else if (rc) |
dea3101e | 4743 | break; |
6d368e53 | 4744 | |
2e0fef85 | 4745 | phba->link_state = LPFC_INIT_MBX_CMDS; |
dea3101e JB |
4746 | lpfc_config_port(phba, pmb); |
4747 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
34b02dcd JS |
4748 | phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED | |
4749 | LPFC_SLI3_HBQ_ENABLED | | |
4750 | LPFC_SLI3_CRP_ENABLED | | |
bc73905a JS |
4751 | LPFC_SLI3_BG_ENABLED | |
4752 | LPFC_SLI3_DSS_ENABLED); | |
ed957684 | 4753 | if (rc != MBX_SUCCESS) { |
dea3101e | 4754 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4755 | "0442 Adapter failed to init, mbxCmd x%x " |
92d7f7b0 | 4756 | "CONFIG_PORT, mbxStatus x%x Data: x%x\n", |
04c68496 | 4757 | pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus, 0); |
2e0fef85 | 4758 | spin_lock_irq(&phba->hbalock); |
04c68496 | 4759 | phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE; |
2e0fef85 JS |
4760 | spin_unlock_irq(&phba->hbalock); |
4761 | rc = -ENXIO; | |
04c68496 JS |
4762 | } else { |
4763 | /* Allow asynchronous mailbox command to go through */ | |
4764 | spin_lock_irq(&phba->hbalock); | |
4765 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
4766 | spin_unlock_irq(&phba->hbalock); | |
ed957684 | 4767 | done = 1; |
cb69f7de JS |
4768 | |
4769 | if ((pmb->u.mb.un.varCfgPort.casabt == 1) && | |
4770 | (pmb->u.mb.un.varCfgPort.gasabt == 0)) | |
4771 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
4772 | "3110 Port did not grant ASABT\n"); | |
04c68496 | 4773 | } |
dea3101e | 4774 | } |
ed957684 JS |
4775 | if (!done) { |
4776 | rc = -EINVAL; | |
4777 | goto do_prep_failed; | |
4778 | } | |
04c68496 JS |
4779 | if (pmb->u.mb.un.varCfgPort.sli_mode == 3) { |
4780 | if (!pmb->u.mb.un.varCfgPort.cMA) { | |
34b02dcd JS |
4781 | rc = -ENXIO; |
4782 | goto do_prep_failed; | |
4783 | } | |
04c68496 | 4784 | if (phba->max_vpi && pmb->u.mb.un.varCfgPort.gmv) { |
34b02dcd | 4785 | phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; |
04c68496 JS |
4786 | phba->max_vpi = pmb->u.mb.un.varCfgPort.max_vpi; |
4787 | phba->max_vports = (phba->max_vpi > phba->max_vports) ? | |
4788 | phba->max_vpi : phba->max_vports; | |
4789 | ||
34b02dcd JS |
4790 | } else |
4791 | phba->max_vpi = 0; | |
bc73905a JS |
4792 | phba->fips_level = 0; |
4793 | phba->fips_spec_rev = 0; | |
4794 | if (pmb->u.mb.un.varCfgPort.gdss) { | |
04c68496 | 4795 | phba->sli3_options |= LPFC_SLI3_DSS_ENABLED; |
bc73905a JS |
4796 | phba->fips_level = pmb->u.mb.un.varCfgPort.fips_level; |
4797 | phba->fips_spec_rev = pmb->u.mb.un.varCfgPort.fips_rev; | |
4798 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4799 | "2850 Security Crypto Active. FIPS x%d " | |
4800 | "(Spec Rev: x%d)", | |
4801 | phba->fips_level, phba->fips_spec_rev); | |
4802 | } | |
4803 | if (pmb->u.mb.un.varCfgPort.sec_err) { | |
4804 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4805 | "2856 Config Port Security Crypto " | |
4806 | "Error: x%x ", | |
4807 | pmb->u.mb.un.varCfgPort.sec_err); | |
4808 | } | |
04c68496 | 4809 | if (pmb->u.mb.un.varCfgPort.gerbm) |
34b02dcd | 4810 | phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED; |
04c68496 | 4811 | if (pmb->u.mb.un.varCfgPort.gcrp) |
34b02dcd | 4812 | phba->sli3_options |= LPFC_SLI3_CRP_ENABLED; |
6e7288d9 JS |
4813 | |
4814 | phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get; | |
4815 | phba->port_gp = phba->mbox->us.s3_pgp.port; | |
e2a0a9d6 JS |
4816 | |
4817 | if (phba->cfg_enable_bg) { | |
04c68496 | 4818 | if (pmb->u.mb.un.varCfgPort.gbg) |
e2a0a9d6 JS |
4819 | phba->sli3_options |= LPFC_SLI3_BG_ENABLED; |
4820 | else | |
4821 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
4822 | "0443 Adapter did not grant " | |
4823 | "BlockGuard\n"); | |
4824 | } | |
34b02dcd | 4825 | } else { |
8f34f4ce | 4826 | phba->hbq_get = NULL; |
34b02dcd | 4827 | phba->port_gp = phba->mbox->us.s2.port; |
d7c255b2 | 4828 | phba->max_vpi = 0; |
ed957684 | 4829 | } |
92d7f7b0 | 4830 | do_prep_failed: |
ed957684 JS |
4831 | mempool_free(pmb, phba->mbox_mem_pool); |
4832 | return rc; | |
4833 | } | |
4834 | ||
e59058c4 JS |
4835 | |
4836 | /** | |
183b8021 | 4837 | * lpfc_sli_hba_setup - SLI initialization function |
e59058c4 JS |
4838 | * @phba: Pointer to HBA context object. |
4839 | * | |
183b8021 MY |
4840 | * This function is the main SLI initialization function. This function |
4841 | * is called by the HBA initialization code, HBA reset code and HBA | |
e59058c4 JS |
4842 | * error attention handler code. Caller is not required to hold any |
4843 | * locks. This function issues config_port mailbox command to configure | |
4844 | * the SLI, setup iocb rings and HBQ rings. In the end the function | |
4845 | * calls the config_port_post function to issue init_link mailbox | |
4846 | * command and to start the discovery. The function will return zero | |
4847 | * if successful, else it will return negative error code. | |
4848 | **/ | |
ed957684 JS |
4849 | int |
4850 | lpfc_sli_hba_setup(struct lpfc_hba *phba) | |
4851 | { | |
4852 | uint32_t rc; | |
6d368e53 JS |
4853 | int mode = 3, i; |
4854 | int longs; | |
ed957684 | 4855 | |
12247e81 | 4856 | switch (phba->cfg_sli_mode) { |
ed957684 | 4857 | case 2: |
78b2d852 | 4858 | if (phba->cfg_enable_npiv) { |
92d7f7b0 | 4859 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 | 4860 | "1824 NPIV enabled: Override sli_mode " |
92d7f7b0 | 4861 | "parameter (%d) to auto (0).\n", |
12247e81 | 4862 | phba->cfg_sli_mode); |
92d7f7b0 JS |
4863 | break; |
4864 | } | |
ed957684 JS |
4865 | mode = 2; |
4866 | break; | |
4867 | case 0: | |
4868 | case 3: | |
4869 | break; | |
4870 | default: | |
92d7f7b0 | 4871 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
12247e81 JS |
4872 | "1819 Unrecognized sli_mode parameter: %d.\n", |
4873 | phba->cfg_sli_mode); | |
ed957684 JS |
4874 | |
4875 | break; | |
4876 | } | |
b5c53958 | 4877 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
ed957684 | 4878 | |
9399627f JS |
4879 | rc = lpfc_sli_config_port(phba, mode); |
4880 | ||
12247e81 | 4881 | if (rc && phba->cfg_sli_mode == 3) |
92d7f7b0 | 4882 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT, |
e8b62011 JS |
4883 | "1820 Unable to select SLI-3. " |
4884 | "Not supported by adapter.\n"); | |
ed957684 | 4885 | if (rc && mode != 2) |
9399627f | 4886 | rc = lpfc_sli_config_port(phba, 2); |
4597663f JS |
4887 | else if (rc && mode == 2) |
4888 | rc = lpfc_sli_config_port(phba, 3); | |
ed957684 | 4889 | if (rc) |
dea3101e JB |
4890 | goto lpfc_sli_hba_setup_error; |
4891 | ||
0d878419 JS |
4892 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
4893 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
4894 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
4895 | if (!rc) { | |
4896 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4897 | "2709 This device supports " | |
4898 | "Advanced Error Reporting (AER)\n"); | |
4899 | spin_lock_irq(&phba->hbalock); | |
4900 | phba->hba_flag |= HBA_AER_ENABLED; | |
4901 | spin_unlock_irq(&phba->hbalock); | |
4902 | } else { | |
4903 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
4904 | "2708 This device does not support " | |
b069d7eb JS |
4905 | "Advanced Error Reporting (AER): %d\n", |
4906 | rc); | |
0d878419 JS |
4907 | phba->cfg_aer_support = 0; |
4908 | } | |
4909 | } | |
4910 | ||
ed957684 JS |
4911 | if (phba->sli_rev == 3) { |
4912 | phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE; | |
4913 | phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE; | |
ed957684 JS |
4914 | } else { |
4915 | phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE; | |
4916 | phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE; | |
92d7f7b0 | 4917 | phba->sli3_options = 0; |
ed957684 JS |
4918 | } |
4919 | ||
4920 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
e8b62011 JS |
4921 | "0444 Firmware in SLI %x mode. Max_vpi %d\n", |
4922 | phba->sli_rev, phba->max_vpi); | |
ed957684 | 4923 | rc = lpfc_sli_ring_map(phba); |
dea3101e JB |
4924 | |
4925 | if (rc) | |
4926 | goto lpfc_sli_hba_setup_error; | |
4927 | ||
6d368e53 JS |
4928 | /* Initialize VPIs. */ |
4929 | if (phba->sli_rev == LPFC_SLI_REV3) { | |
4930 | /* | |
4931 | * The VPI bitmask and physical ID array are allocated | |
4932 | * and initialized once only - at driver load. A port | |
4933 | * reset doesn't need to reinitialize this memory. | |
4934 | */ | |
4935 | if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) { | |
4936 | longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG; | |
4937 | phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long), | |
4938 | GFP_KERNEL); | |
4939 | if (!phba->vpi_bmask) { | |
4940 | rc = -ENOMEM; | |
4941 | goto lpfc_sli_hba_setup_error; | |
4942 | } | |
4943 | ||
4944 | phba->vpi_ids = kzalloc( | |
4945 | (phba->max_vpi+1) * sizeof(uint16_t), | |
4946 | GFP_KERNEL); | |
4947 | if (!phba->vpi_ids) { | |
4948 | kfree(phba->vpi_bmask); | |
4949 | rc = -ENOMEM; | |
4950 | goto lpfc_sli_hba_setup_error; | |
4951 | } | |
4952 | for (i = 0; i < phba->max_vpi; i++) | |
4953 | phba->vpi_ids[i] = i; | |
4954 | } | |
4955 | } | |
4956 | ||
9399627f | 4957 | /* Init HBQs */ |
ed957684 JS |
4958 | if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { |
4959 | rc = lpfc_sli_hbq_setup(phba); | |
4960 | if (rc) | |
4961 | goto lpfc_sli_hba_setup_error; | |
4962 | } | |
04c68496 | 4963 | spin_lock_irq(&phba->hbalock); |
dea3101e | 4964 | phba->sli.sli_flag |= LPFC_PROCESS_LA; |
04c68496 | 4965 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
4966 | |
4967 | rc = lpfc_config_port_post(phba); | |
4968 | if (rc) | |
4969 | goto lpfc_sli_hba_setup_error; | |
4970 | ||
ed957684 JS |
4971 | return rc; |
4972 | ||
92d7f7b0 | 4973 | lpfc_sli_hba_setup_error: |
2e0fef85 | 4974 | phba->link_state = LPFC_HBA_ERROR; |
e40a02c1 | 4975 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 4976 | "0445 Firmware initialization failed\n"); |
dea3101e JB |
4977 | return rc; |
4978 | } | |
4979 | ||
e59058c4 | 4980 | /** |
da0436e9 JS |
4981 | * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region |
4982 | * @phba: Pointer to HBA context object. | |
4983 | * @mboxq: mailbox pointer. | |
4984 | * This function issue a dump mailbox command to read config region | |
4985 | * 23 and parse the records in the region and populate driver | |
4986 | * data structure. | |
e59058c4 | 4987 | **/ |
da0436e9 | 4988 | static int |
ff78d8f9 | 4989 | lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba) |
dea3101e | 4990 | { |
ff78d8f9 | 4991 | LPFC_MBOXQ_t *mboxq; |
da0436e9 JS |
4992 | struct lpfc_dmabuf *mp; |
4993 | struct lpfc_mqe *mqe; | |
4994 | uint32_t data_length; | |
4995 | int rc; | |
dea3101e | 4996 | |
da0436e9 JS |
4997 | /* Program the default value of vlan_id and fc_map */ |
4998 | phba->valid_vlan = 0; | |
4999 | phba->fc_map[0] = LPFC_FCOE_FCF_MAP0; | |
5000 | phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; | |
5001 | phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; | |
2e0fef85 | 5002 | |
ff78d8f9 JS |
5003 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
5004 | if (!mboxq) | |
da0436e9 JS |
5005 | return -ENOMEM; |
5006 | ||
ff78d8f9 JS |
5007 | mqe = &mboxq->u.mqe; |
5008 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) { | |
5009 | rc = -ENOMEM; | |
5010 | goto out_free_mboxq; | |
5011 | } | |
5012 | ||
da0436e9 JS |
5013 | mp = (struct lpfc_dmabuf *) mboxq->context1; |
5014 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5015 | ||
5016 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
5017 | "(%d):2571 Mailbox cmd x%x Status x%x " | |
5018 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5019 | "x%x x%x x%x x%x x%x x%x x%x x%x x%x " | |
5020 | "CQ: x%x x%x x%x x%x\n", | |
5021 | mboxq->vport ? mboxq->vport->vpi : 0, | |
5022 | bf_get(lpfc_mqe_command, mqe), | |
5023 | bf_get(lpfc_mqe_status, mqe), | |
5024 | mqe->un.mb_words[0], mqe->un.mb_words[1], | |
5025 | mqe->un.mb_words[2], mqe->un.mb_words[3], | |
5026 | mqe->un.mb_words[4], mqe->un.mb_words[5], | |
5027 | mqe->un.mb_words[6], mqe->un.mb_words[7], | |
5028 | mqe->un.mb_words[8], mqe->un.mb_words[9], | |
5029 | mqe->un.mb_words[10], mqe->un.mb_words[11], | |
5030 | mqe->un.mb_words[12], mqe->un.mb_words[13], | |
5031 | mqe->un.mb_words[14], mqe->un.mb_words[15], | |
5032 | mqe->un.mb_words[16], mqe->un.mb_words[50], | |
5033 | mboxq->mcqe.word0, | |
5034 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
5035 | mboxq->mcqe.trailer); | |
5036 | ||
5037 | if (rc) { | |
5038 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5039 | kfree(mp); | |
ff78d8f9 JS |
5040 | rc = -EIO; |
5041 | goto out_free_mboxq; | |
da0436e9 JS |
5042 | } |
5043 | data_length = mqe->un.mb_words[5]; | |
a0c87cbd | 5044 | if (data_length > DMP_RGN23_SIZE) { |
d11e31dd JS |
5045 | lpfc_mbuf_free(phba, mp->virt, mp->phys); |
5046 | kfree(mp); | |
ff78d8f9 JS |
5047 | rc = -EIO; |
5048 | goto out_free_mboxq; | |
d11e31dd | 5049 | } |
dea3101e | 5050 | |
da0436e9 JS |
5051 | lpfc_parse_fcoe_conf(phba, mp->virt, data_length); |
5052 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
5053 | kfree(mp); | |
ff78d8f9 JS |
5054 | rc = 0; |
5055 | ||
5056 | out_free_mboxq: | |
5057 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5058 | return rc; | |
da0436e9 | 5059 | } |
e59058c4 JS |
5060 | |
5061 | /** | |
da0436e9 JS |
5062 | * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data |
5063 | * @phba: pointer to lpfc hba data structure. | |
5064 | * @mboxq: pointer to the LPFC_MBOXQ_t structure. | |
5065 | * @vpd: pointer to the memory to hold resulting port vpd data. | |
5066 | * @vpd_size: On input, the number of bytes allocated to @vpd. | |
5067 | * On output, the number of data bytes in @vpd. | |
e59058c4 | 5068 | * |
da0436e9 JS |
5069 | * This routine executes a READ_REV SLI4 mailbox command. In |
5070 | * addition, this routine gets the port vpd data. | |
5071 | * | |
5072 | * Return codes | |
af901ca1 | 5073 | * 0 - successful |
d439d286 | 5074 | * -ENOMEM - could not allocated memory. |
e59058c4 | 5075 | **/ |
da0436e9 JS |
5076 | static int |
5077 | lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
5078 | uint8_t *vpd, uint32_t *vpd_size) | |
dea3101e | 5079 | { |
da0436e9 JS |
5080 | int rc = 0; |
5081 | uint32_t dma_size; | |
5082 | struct lpfc_dmabuf *dmabuf; | |
5083 | struct lpfc_mqe *mqe; | |
dea3101e | 5084 | |
da0436e9 JS |
5085 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); |
5086 | if (!dmabuf) | |
5087 | return -ENOMEM; | |
5088 | ||
5089 | /* | |
5090 | * Get a DMA buffer for the vpd data resulting from the READ_REV | |
5091 | * mailbox command. | |
a257bf90 | 5092 | */ |
da0436e9 | 5093 | dma_size = *vpd_size; |
1aee383d JP |
5094 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, dma_size, |
5095 | &dmabuf->phys, GFP_KERNEL); | |
da0436e9 JS |
5096 | if (!dmabuf->virt) { |
5097 | kfree(dmabuf); | |
5098 | return -ENOMEM; | |
a257bf90 JS |
5099 | } |
5100 | ||
da0436e9 JS |
5101 | /* |
5102 | * The SLI4 implementation of READ_REV conflicts at word1, | |
5103 | * bits 31:16 and SLI4 adds vpd functionality not present | |
5104 | * in SLI3. This code corrects the conflicts. | |
1dcb58e5 | 5105 | */ |
da0436e9 JS |
5106 | lpfc_read_rev(phba, mboxq); |
5107 | mqe = &mboxq->u.mqe; | |
5108 | mqe->un.read_rev.vpd_paddr_high = putPaddrHigh(dmabuf->phys); | |
5109 | mqe->un.read_rev.vpd_paddr_low = putPaddrLow(dmabuf->phys); | |
5110 | mqe->un.read_rev.word1 &= 0x0000FFFF; | |
5111 | bf_set(lpfc_mbx_rd_rev_vpd, &mqe->un.read_rev, 1); | |
5112 | bf_set(lpfc_mbx_rd_rev_avail_len, &mqe->un.read_rev, dma_size); | |
5113 | ||
5114 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5115 | if (rc) { | |
5116 | dma_free_coherent(&phba->pcidev->dev, dma_size, | |
5117 | dmabuf->virt, dmabuf->phys); | |
def9c7a9 | 5118 | kfree(dmabuf); |
da0436e9 JS |
5119 | return -EIO; |
5120 | } | |
1dcb58e5 | 5121 | |
da0436e9 JS |
5122 | /* |
5123 | * The available vpd length cannot be bigger than the | |
5124 | * DMA buffer passed to the port. Catch the less than | |
5125 | * case and update the caller's size. | |
5126 | */ | |
5127 | if (mqe->un.read_rev.avail_vpd_len < *vpd_size) | |
5128 | *vpd_size = mqe->un.read_rev.avail_vpd_len; | |
3772a991 | 5129 | |
d7c47992 JS |
5130 | memcpy(vpd, dmabuf->virt, *vpd_size); |
5131 | ||
da0436e9 JS |
5132 | dma_free_coherent(&phba->pcidev->dev, dma_size, |
5133 | dmabuf->virt, dmabuf->phys); | |
5134 | kfree(dmabuf); | |
5135 | return 0; | |
dea3101e JB |
5136 | } |
5137 | ||
cd1c8301 JS |
5138 | /** |
5139 | * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name | |
5140 | * @phba: pointer to lpfc hba data structure. | |
5141 | * | |
5142 | * This routine retrieves SLI4 device physical port name this PCI function | |
5143 | * is attached to. | |
5144 | * | |
5145 | * Return codes | |
4907cb7b | 5146 | * 0 - successful |
cd1c8301 JS |
5147 | * otherwise - failed to retrieve physical port name |
5148 | **/ | |
5149 | static int | |
5150 | lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba) | |
5151 | { | |
5152 | LPFC_MBOXQ_t *mboxq; | |
cd1c8301 JS |
5153 | struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr; |
5154 | struct lpfc_controller_attribute *cntl_attr; | |
5155 | struct lpfc_mbx_get_port_name *get_port_name; | |
5156 | void *virtaddr = NULL; | |
5157 | uint32_t alloclen, reqlen; | |
5158 | uint32_t shdr_status, shdr_add_status; | |
5159 | union lpfc_sli4_cfg_shdr *shdr; | |
5160 | char cport_name = 0; | |
5161 | int rc; | |
5162 | ||
5163 | /* We assume nothing at this point */ | |
5164 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; | |
5165 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON; | |
5166 | ||
5167 | mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5168 | if (!mboxq) | |
5169 | return -ENOMEM; | |
cd1c8301 | 5170 | /* obtain link type and link number via READ_CONFIG */ |
ff78d8f9 JS |
5171 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL; |
5172 | lpfc_sli4_read_config(phba); | |
5173 | if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL) | |
5174 | goto retrieve_ppname; | |
cd1c8301 JS |
5175 | |
5176 | /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */ | |
5177 | reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes); | |
5178 | alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5179 | LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen, | |
5180 | LPFC_SLI4_MBX_NEMBED); | |
5181 | if (alloclen < reqlen) { | |
5182 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
5183 | "3084 Allocated DMA memory size (%d) is " | |
5184 | "less than the requested DMA memory size " | |
5185 | "(%d)\n", alloclen, reqlen); | |
5186 | rc = -ENOMEM; | |
5187 | goto out_free_mboxq; | |
5188 | } | |
5189 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5190 | virtaddr = mboxq->sge_array->addr[0]; | |
5191 | mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr; | |
5192 | shdr = &mbx_cntl_attr->cfg_shdr; | |
5193 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5194 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5195 | if (shdr_status || shdr_add_status || rc) { | |
5196 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5197 | "3085 Mailbox x%x (x%x/x%x) failed, " | |
5198 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5199 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5200 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5201 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5202 | rc, shdr_status, shdr_add_status); | |
5203 | rc = -ENXIO; | |
5204 | goto out_free_mboxq; | |
5205 | } | |
5206 | cntl_attr = &mbx_cntl_attr->cntl_attr; | |
5207 | phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL; | |
5208 | phba->sli4_hba.lnk_info.lnk_tp = | |
5209 | bf_get(lpfc_cntl_attr_lnk_type, cntl_attr); | |
5210 | phba->sli4_hba.lnk_info.lnk_no = | |
5211 | bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr); | |
5212 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5213 | "3086 lnk_type:%d, lnk_numb:%d\n", | |
5214 | phba->sli4_hba.lnk_info.lnk_tp, | |
5215 | phba->sli4_hba.lnk_info.lnk_no); | |
5216 | ||
5217 | retrieve_ppname: | |
5218 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5219 | LPFC_MBOX_OPCODE_GET_PORT_NAME, | |
5220 | sizeof(struct lpfc_mbx_get_port_name) - | |
5221 | sizeof(struct lpfc_sli4_cfg_mhdr), | |
5222 | LPFC_SLI4_MBX_EMBED); | |
5223 | get_port_name = &mboxq->u.mqe.un.get_port_name; | |
5224 | shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr; | |
5225 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1); | |
5226 | bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request, | |
5227 | phba->sli4_hba.lnk_info.lnk_tp); | |
5228 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
5229 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
5230 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
5231 | if (shdr_status || shdr_add_status || rc) { | |
5232 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
5233 | "3087 Mailbox x%x (x%x/x%x) failed: " | |
5234 | "rc:x%x, status:x%x, add_status:x%x\n", | |
5235 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
5236 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
5237 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
5238 | rc, shdr_status, shdr_add_status); | |
5239 | rc = -ENXIO; | |
5240 | goto out_free_mboxq; | |
5241 | } | |
5242 | switch (phba->sli4_hba.lnk_info.lnk_no) { | |
5243 | case LPFC_LINK_NUMBER_0: | |
5244 | cport_name = bf_get(lpfc_mbx_get_port_name_name0, | |
5245 | &get_port_name->u.response); | |
5246 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5247 | break; | |
5248 | case LPFC_LINK_NUMBER_1: | |
5249 | cport_name = bf_get(lpfc_mbx_get_port_name_name1, | |
5250 | &get_port_name->u.response); | |
5251 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5252 | break; | |
5253 | case LPFC_LINK_NUMBER_2: | |
5254 | cport_name = bf_get(lpfc_mbx_get_port_name_name2, | |
5255 | &get_port_name->u.response); | |
5256 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5257 | break; | |
5258 | case LPFC_LINK_NUMBER_3: | |
5259 | cport_name = bf_get(lpfc_mbx_get_port_name_name3, | |
5260 | &get_port_name->u.response); | |
5261 | phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET; | |
5262 | break; | |
5263 | default: | |
5264 | break; | |
5265 | } | |
5266 | ||
5267 | if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) { | |
5268 | phba->Port[0] = cport_name; | |
5269 | phba->Port[1] = '\0'; | |
5270 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5271 | "3091 SLI get port name: %s\n", phba->Port); | |
5272 | } | |
5273 | ||
5274 | out_free_mboxq: | |
5275 | if (rc != MBX_TIMEOUT) { | |
5276 | if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG) | |
5277 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
5278 | else | |
5279 | mempool_free(mboxq, phba->mbox_mem_pool); | |
5280 | } | |
5281 | return rc; | |
5282 | } | |
5283 | ||
e59058c4 | 5284 | /** |
da0436e9 JS |
5285 | * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues |
5286 | * @phba: pointer to lpfc hba data structure. | |
e59058c4 | 5287 | * |
da0436e9 JS |
5288 | * This routine is called to explicitly arm the SLI4 device's completion and |
5289 | * event queues | |
5290 | **/ | |
5291 | static void | |
5292 | lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba) | |
5293 | { | |
895427bd | 5294 | int qidx; |
da0436e9 JS |
5295 | |
5296 | lpfc_sli4_cq_release(phba->sli4_hba.mbx_cq, LPFC_QUEUE_REARM); | |
5297 | lpfc_sli4_cq_release(phba->sli4_hba.els_cq, LPFC_QUEUE_REARM); | |
895427bd JS |
5298 | if (phba->sli4_hba.nvmels_cq) |
5299 | lpfc_sli4_cq_release(phba->sli4_hba.nvmels_cq, | |
5300 | LPFC_QUEUE_REARM); | |
5301 | ||
5302 | if (phba->sli4_hba.fcp_cq) | |
5303 | for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++) | |
5304 | lpfc_sli4_cq_release(phba->sli4_hba.fcp_cq[qidx], | |
5305 | LPFC_QUEUE_REARM); | |
5306 | ||
5307 | if (phba->sli4_hba.nvme_cq) | |
5308 | for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++) | |
5309 | lpfc_sli4_cq_release(phba->sli4_hba.nvme_cq[qidx], | |
5310 | LPFC_QUEUE_REARM); | |
1ba981fd | 5311 | |
f38fa0bb | 5312 | if (phba->cfg_fof) |
1ba981fd JS |
5313 | lpfc_sli4_cq_release(phba->sli4_hba.oas_cq, LPFC_QUEUE_REARM); |
5314 | ||
895427bd JS |
5315 | if (phba->sli4_hba.hba_eq) |
5316 | for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) | |
5317 | lpfc_sli4_eq_release(phba->sli4_hba.hba_eq[qidx], | |
5318 | LPFC_QUEUE_REARM); | |
1ba981fd | 5319 | |
2d7dbc4c JS |
5320 | if (phba->nvmet_support) { |
5321 | for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) { | |
5322 | lpfc_sli4_cq_release( | |
5323 | phba->sli4_hba.nvmet_cqset[qidx], | |
5324 | LPFC_QUEUE_REARM); | |
5325 | } | |
2e90f4b5 | 5326 | } |
1ba981fd JS |
5327 | |
5328 | if (phba->cfg_fof) | |
5329 | lpfc_sli4_eq_release(phba->sli4_hba.fof_eq, LPFC_QUEUE_REARM); | |
da0436e9 JS |
5330 | } |
5331 | ||
6d368e53 JS |
5332 | /** |
5333 | * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count. | |
5334 | * @phba: Pointer to HBA context object. | |
5335 | * @type: The resource extent type. | |
b76f2dc9 JS |
5336 | * @extnt_count: buffer to hold port available extent count. |
5337 | * @extnt_size: buffer to hold element count per extent. | |
6d368e53 | 5338 | * |
b76f2dc9 JS |
5339 | * This function calls the port and retrievs the number of available |
5340 | * extents and their size for a particular extent type. | |
5341 | * | |
5342 | * Returns: 0 if successful. Nonzero otherwise. | |
6d368e53 | 5343 | **/ |
b76f2dc9 | 5344 | int |
6d368e53 JS |
5345 | lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type, |
5346 | uint16_t *extnt_count, uint16_t *extnt_size) | |
5347 | { | |
5348 | int rc = 0; | |
5349 | uint32_t length; | |
5350 | uint32_t mbox_tmo; | |
5351 | struct lpfc_mbx_get_rsrc_extent_info *rsrc_info; | |
5352 | LPFC_MBOXQ_t *mbox; | |
5353 | ||
5354 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5355 | if (!mbox) | |
5356 | return -ENOMEM; | |
5357 | ||
5358 | /* Find out how many extents are available for this resource type */ | |
5359 | length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) - | |
5360 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5361 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5362 | LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO, | |
5363 | length, LPFC_SLI4_MBX_EMBED); | |
5364 | ||
5365 | /* Send an extents count of 0 - the GET doesn't use it. */ | |
5366 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5367 | LPFC_SLI4_MBX_EMBED); | |
5368 | if (unlikely(rc)) { | |
5369 | rc = -EIO; | |
5370 | goto err_exit; | |
5371 | } | |
5372 | ||
5373 | if (!phba->sli4_hba.intr_enable) | |
5374 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5375 | else { | |
a183a15f | 5376 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5377 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5378 | } | |
5379 | if (unlikely(rc)) { | |
5380 | rc = -EIO; | |
5381 | goto err_exit; | |
5382 | } | |
5383 | ||
5384 | rsrc_info = &mbox->u.mqe.un.rsrc_extent_info; | |
5385 | if (bf_get(lpfc_mbox_hdr_status, | |
5386 | &rsrc_info->header.cfg_shdr.response)) { | |
5387 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5388 | "2930 Failed to get resource extents " | |
5389 | "Status 0x%x Add'l Status 0x%x\n", | |
5390 | bf_get(lpfc_mbox_hdr_status, | |
5391 | &rsrc_info->header.cfg_shdr.response), | |
5392 | bf_get(lpfc_mbox_hdr_add_status, | |
5393 | &rsrc_info->header.cfg_shdr.response)); | |
5394 | rc = -EIO; | |
5395 | goto err_exit; | |
5396 | } | |
5397 | ||
5398 | *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt, | |
5399 | &rsrc_info->u.rsp); | |
5400 | *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size, | |
5401 | &rsrc_info->u.rsp); | |
8a9d2e80 JS |
5402 | |
5403 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
5404 | "3162 Retrieved extents type-%d from port: count:%d, " | |
5405 | "size:%d\n", type, *extnt_count, *extnt_size); | |
5406 | ||
5407 | err_exit: | |
6d368e53 JS |
5408 | mempool_free(mbox, phba->mbox_mem_pool); |
5409 | return rc; | |
5410 | } | |
5411 | ||
5412 | /** | |
5413 | * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents. | |
5414 | * @phba: Pointer to HBA context object. | |
5415 | * @type: The extent type to check. | |
5416 | * | |
5417 | * This function reads the current available extents from the port and checks | |
5418 | * if the extent count or extent size has changed since the last access. | |
5419 | * Callers use this routine post port reset to understand if there is a | |
5420 | * extent reprovisioning requirement. | |
5421 | * | |
5422 | * Returns: | |
5423 | * -Error: error indicates problem. | |
5424 | * 1: Extent count or size has changed. | |
5425 | * 0: No changes. | |
5426 | **/ | |
5427 | static int | |
5428 | lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type) | |
5429 | { | |
5430 | uint16_t curr_ext_cnt, rsrc_ext_cnt; | |
5431 | uint16_t size_diff, rsrc_ext_size; | |
5432 | int rc = 0; | |
5433 | struct lpfc_rsrc_blks *rsrc_entry; | |
5434 | struct list_head *rsrc_blk_list = NULL; | |
5435 | ||
5436 | size_diff = 0; | |
5437 | curr_ext_cnt = 0; | |
5438 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5439 | &rsrc_ext_cnt, | |
5440 | &rsrc_ext_size); | |
5441 | if (unlikely(rc)) | |
5442 | return -EIO; | |
5443 | ||
5444 | switch (type) { | |
5445 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5446 | rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5447 | break; | |
5448 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5449 | rsrc_blk_list = &phba->lpfc_vpi_blk_list; | |
5450 | break; | |
5451 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5452 | rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5453 | break; | |
5454 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5455 | rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5456 | break; | |
5457 | default: | |
5458 | break; | |
5459 | } | |
5460 | ||
5461 | list_for_each_entry(rsrc_entry, rsrc_blk_list, list) { | |
5462 | curr_ext_cnt++; | |
5463 | if (rsrc_entry->rsrc_size != rsrc_ext_size) | |
5464 | size_diff++; | |
5465 | } | |
5466 | ||
5467 | if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0) | |
5468 | rc = 1; | |
5469 | ||
5470 | return rc; | |
5471 | } | |
5472 | ||
5473 | /** | |
5474 | * lpfc_sli4_cfg_post_extnts - | |
5475 | * @phba: Pointer to HBA context object. | |
5476 | * @extnt_cnt - number of available extents. | |
5477 | * @type - the extent type (rpi, xri, vfi, vpi). | |
5478 | * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation. | |
5479 | * @mbox - pointer to the caller's allocated mailbox structure. | |
5480 | * | |
5481 | * This function executes the extents allocation request. It also | |
5482 | * takes care of the amount of memory needed to allocate or get the | |
5483 | * allocated extents. It is the caller's responsibility to evaluate | |
5484 | * the response. | |
5485 | * | |
5486 | * Returns: | |
5487 | * -Error: Error value describes the condition found. | |
5488 | * 0: if successful | |
5489 | **/ | |
5490 | static int | |
8a9d2e80 | 5491 | lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t extnt_cnt, |
6d368e53 JS |
5492 | uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox) |
5493 | { | |
5494 | int rc = 0; | |
5495 | uint32_t req_len; | |
5496 | uint32_t emb_len; | |
5497 | uint32_t alloc_len, mbox_tmo; | |
5498 | ||
5499 | /* Calculate the total requested length of the dma memory */ | |
8a9d2e80 | 5500 | req_len = extnt_cnt * sizeof(uint16_t); |
6d368e53 JS |
5501 | |
5502 | /* | |
5503 | * Calculate the size of an embedded mailbox. The uint32_t | |
5504 | * accounts for extents-specific word. | |
5505 | */ | |
5506 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
5507 | sizeof(uint32_t); | |
5508 | ||
5509 | /* | |
5510 | * Presume the allocation and response will fit into an embedded | |
5511 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
5512 | */ | |
5513 | *emb = LPFC_SLI4_MBX_EMBED; | |
5514 | if (req_len > emb_len) { | |
8a9d2e80 | 5515 | req_len = extnt_cnt * sizeof(uint16_t) + |
6d368e53 JS |
5516 | sizeof(union lpfc_sli4_cfg_shdr) + |
5517 | sizeof(uint32_t); | |
5518 | *emb = LPFC_SLI4_MBX_NEMBED; | |
5519 | } | |
5520 | ||
5521 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5522 | LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT, | |
5523 | req_len, *emb); | |
5524 | if (alloc_len < req_len) { | |
5525 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
b76f2dc9 | 5526 | "2982 Allocated DMA memory size (x%x) is " |
6d368e53 JS |
5527 | "less than the requested DMA memory " |
5528 | "size (x%x)\n", alloc_len, req_len); | |
5529 | return -ENOMEM; | |
5530 | } | |
8a9d2e80 | 5531 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, extnt_cnt, type, *emb); |
6d368e53 JS |
5532 | if (unlikely(rc)) |
5533 | return -EIO; | |
5534 | ||
5535 | if (!phba->sli4_hba.intr_enable) | |
5536 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5537 | else { | |
a183a15f | 5538 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5539 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5540 | } | |
5541 | ||
5542 | if (unlikely(rc)) | |
5543 | rc = -EIO; | |
5544 | return rc; | |
5545 | } | |
5546 | ||
5547 | /** | |
5548 | * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent. | |
5549 | * @phba: Pointer to HBA context object. | |
5550 | * @type: The resource extent type to allocate. | |
5551 | * | |
5552 | * This function allocates the number of elements for the specified | |
5553 | * resource type. | |
5554 | **/ | |
5555 | static int | |
5556 | lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5557 | { | |
5558 | bool emb = false; | |
5559 | uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size; | |
5560 | uint16_t rsrc_id, rsrc_start, j, k; | |
5561 | uint16_t *ids; | |
5562 | int i, rc; | |
5563 | unsigned long longs; | |
5564 | unsigned long *bmask; | |
5565 | struct lpfc_rsrc_blks *rsrc_blks; | |
5566 | LPFC_MBOXQ_t *mbox; | |
5567 | uint32_t length; | |
5568 | struct lpfc_id_range *id_array = NULL; | |
5569 | void *virtaddr = NULL; | |
5570 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
5571 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
5572 | struct list_head *ext_blk_list; | |
5573 | ||
5574 | rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type, | |
5575 | &rsrc_cnt, | |
5576 | &rsrc_size); | |
5577 | if (unlikely(rc)) | |
5578 | return -EIO; | |
5579 | ||
5580 | if ((rsrc_cnt == 0) || (rsrc_size == 0)) { | |
5581 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5582 | "3009 No available Resource Extents " | |
5583 | "for resource type 0x%x: Count: 0x%x, " | |
5584 | "Size 0x%x\n", type, rsrc_cnt, | |
5585 | rsrc_size); | |
5586 | return -ENOMEM; | |
5587 | } | |
5588 | ||
8a9d2e80 JS |
5589 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT | LOG_SLI, |
5590 | "2903 Post resource extents type-0x%x: " | |
5591 | "count:%d, size %d\n", type, rsrc_cnt, rsrc_size); | |
6d368e53 JS |
5592 | |
5593 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5594 | if (!mbox) | |
5595 | return -ENOMEM; | |
5596 | ||
8a9d2e80 | 5597 | rc = lpfc_sli4_cfg_post_extnts(phba, rsrc_cnt, type, &emb, mbox); |
6d368e53 JS |
5598 | if (unlikely(rc)) { |
5599 | rc = -EIO; | |
5600 | goto err_exit; | |
5601 | } | |
5602 | ||
5603 | /* | |
5604 | * Figure out where the response is located. Then get local pointers | |
5605 | * to the response data. The port does not guarantee to respond to | |
5606 | * all extents counts request so update the local variable with the | |
5607 | * allocated count from the port. | |
5608 | */ | |
5609 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
5610 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
5611 | id_array = &rsrc_ext->u.rsp.id[0]; | |
5612 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
5613 | } else { | |
5614 | virtaddr = mbox->sge_array->addr[0]; | |
5615 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
5616 | rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
5617 | id_array = &n_rsrc->id; | |
5618 | } | |
5619 | ||
5620 | longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
5621 | rsrc_id_cnt = rsrc_cnt * rsrc_size; | |
5622 | ||
5623 | /* | |
5624 | * Based on the resource size and count, correct the base and max | |
5625 | * resource values. | |
5626 | */ | |
5627 | length = sizeof(struct lpfc_rsrc_blks); | |
5628 | switch (type) { | |
5629 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5630 | phba->sli4_hba.rpi_bmask = kzalloc(longs * | |
5631 | sizeof(unsigned long), | |
5632 | GFP_KERNEL); | |
5633 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
5634 | rc = -ENOMEM; | |
5635 | goto err_exit; | |
5636 | } | |
5637 | phba->sli4_hba.rpi_ids = kzalloc(rsrc_id_cnt * | |
5638 | sizeof(uint16_t), | |
5639 | GFP_KERNEL); | |
5640 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
5641 | kfree(phba->sli4_hba.rpi_bmask); | |
5642 | rc = -ENOMEM; | |
5643 | goto err_exit; | |
5644 | } | |
5645 | ||
5646 | /* | |
5647 | * The next_rpi was initialized with the maximum available | |
5648 | * count but the port may allocate a smaller number. Catch | |
5649 | * that case and update the next_rpi. | |
5650 | */ | |
5651 | phba->sli4_hba.next_rpi = rsrc_id_cnt; | |
5652 | ||
5653 | /* Initialize local ptrs for common extent processing later. */ | |
5654 | bmask = phba->sli4_hba.rpi_bmask; | |
5655 | ids = phba->sli4_hba.rpi_ids; | |
5656 | ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list; | |
5657 | break; | |
5658 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5659 | phba->vpi_bmask = kzalloc(longs * | |
5660 | sizeof(unsigned long), | |
5661 | GFP_KERNEL); | |
5662 | if (unlikely(!phba->vpi_bmask)) { | |
5663 | rc = -ENOMEM; | |
5664 | goto err_exit; | |
5665 | } | |
5666 | phba->vpi_ids = kzalloc(rsrc_id_cnt * | |
5667 | sizeof(uint16_t), | |
5668 | GFP_KERNEL); | |
5669 | if (unlikely(!phba->vpi_ids)) { | |
5670 | kfree(phba->vpi_bmask); | |
5671 | rc = -ENOMEM; | |
5672 | goto err_exit; | |
5673 | } | |
5674 | ||
5675 | /* Initialize local ptrs for common extent processing later. */ | |
5676 | bmask = phba->vpi_bmask; | |
5677 | ids = phba->vpi_ids; | |
5678 | ext_blk_list = &phba->lpfc_vpi_blk_list; | |
5679 | break; | |
5680 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5681 | phba->sli4_hba.xri_bmask = kzalloc(longs * | |
5682 | sizeof(unsigned long), | |
5683 | GFP_KERNEL); | |
5684 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
5685 | rc = -ENOMEM; | |
5686 | goto err_exit; | |
5687 | } | |
8a9d2e80 | 5688 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6d368e53 JS |
5689 | phba->sli4_hba.xri_ids = kzalloc(rsrc_id_cnt * |
5690 | sizeof(uint16_t), | |
5691 | GFP_KERNEL); | |
5692 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
5693 | kfree(phba->sli4_hba.xri_bmask); | |
5694 | rc = -ENOMEM; | |
5695 | goto err_exit; | |
5696 | } | |
5697 | ||
5698 | /* Initialize local ptrs for common extent processing later. */ | |
5699 | bmask = phba->sli4_hba.xri_bmask; | |
5700 | ids = phba->sli4_hba.xri_ids; | |
5701 | ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list; | |
5702 | break; | |
5703 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5704 | phba->sli4_hba.vfi_bmask = kzalloc(longs * | |
5705 | sizeof(unsigned long), | |
5706 | GFP_KERNEL); | |
5707 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
5708 | rc = -ENOMEM; | |
5709 | goto err_exit; | |
5710 | } | |
5711 | phba->sli4_hba.vfi_ids = kzalloc(rsrc_id_cnt * | |
5712 | sizeof(uint16_t), | |
5713 | GFP_KERNEL); | |
5714 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
5715 | kfree(phba->sli4_hba.vfi_bmask); | |
5716 | rc = -ENOMEM; | |
5717 | goto err_exit; | |
5718 | } | |
5719 | ||
5720 | /* Initialize local ptrs for common extent processing later. */ | |
5721 | bmask = phba->sli4_hba.vfi_bmask; | |
5722 | ids = phba->sli4_hba.vfi_ids; | |
5723 | ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list; | |
5724 | break; | |
5725 | default: | |
5726 | /* Unsupported Opcode. Fail call. */ | |
5727 | id_array = NULL; | |
5728 | bmask = NULL; | |
5729 | ids = NULL; | |
5730 | ext_blk_list = NULL; | |
5731 | goto err_exit; | |
5732 | } | |
5733 | ||
5734 | /* | |
5735 | * Complete initializing the extent configuration with the | |
5736 | * allocated ids assigned to this function. The bitmask serves | |
5737 | * as an index into the array and manages the available ids. The | |
5738 | * array just stores the ids communicated to the port via the wqes. | |
5739 | */ | |
5740 | for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) { | |
5741 | if ((i % 2) == 0) | |
5742 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0, | |
5743 | &id_array[k]); | |
5744 | else | |
5745 | rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1, | |
5746 | &id_array[k]); | |
5747 | ||
5748 | rsrc_blks = kzalloc(length, GFP_KERNEL); | |
5749 | if (unlikely(!rsrc_blks)) { | |
5750 | rc = -ENOMEM; | |
5751 | kfree(bmask); | |
5752 | kfree(ids); | |
5753 | goto err_exit; | |
5754 | } | |
5755 | rsrc_blks->rsrc_start = rsrc_id; | |
5756 | rsrc_blks->rsrc_size = rsrc_size; | |
5757 | list_add_tail(&rsrc_blks->list, ext_blk_list); | |
5758 | rsrc_start = rsrc_id; | |
895427bd | 5759 | if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) { |
6d368e53 | 5760 | phba->sli4_hba.scsi_xri_start = rsrc_start + |
895427bd JS |
5761 | lpfc_sli4_get_iocb_cnt(phba); |
5762 | phba->sli4_hba.nvme_xri_start = | |
5763 | phba->sli4_hba.scsi_xri_start + | |
5764 | phba->sli4_hba.scsi_xri_max; | |
5765 | } | |
6d368e53 JS |
5766 | |
5767 | while (rsrc_id < (rsrc_start + rsrc_size)) { | |
5768 | ids[j] = rsrc_id; | |
5769 | rsrc_id++; | |
5770 | j++; | |
5771 | } | |
5772 | /* Entire word processed. Get next word.*/ | |
5773 | if ((i % 2) == 1) | |
5774 | k++; | |
5775 | } | |
5776 | err_exit: | |
5777 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
5778 | return rc; | |
5779 | } | |
5780 | ||
895427bd JS |
5781 | |
5782 | ||
6d368e53 JS |
5783 | /** |
5784 | * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent. | |
5785 | * @phba: Pointer to HBA context object. | |
5786 | * @type: the extent's type. | |
5787 | * | |
5788 | * This function deallocates all extents of a particular resource type. | |
5789 | * SLI4 does not allow for deallocating a particular extent range. It | |
5790 | * is the caller's responsibility to release all kernel memory resources. | |
5791 | **/ | |
5792 | static int | |
5793 | lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type) | |
5794 | { | |
5795 | int rc; | |
5796 | uint32_t length, mbox_tmo = 0; | |
5797 | LPFC_MBOXQ_t *mbox; | |
5798 | struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc; | |
5799 | struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next; | |
5800 | ||
5801 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
5802 | if (!mbox) | |
5803 | return -ENOMEM; | |
5804 | ||
5805 | /* | |
5806 | * This function sends an embedded mailbox because it only sends the | |
5807 | * the resource type. All extents of this type are released by the | |
5808 | * port. | |
5809 | */ | |
5810 | length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) - | |
5811 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
5812 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5813 | LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT, | |
5814 | length, LPFC_SLI4_MBX_EMBED); | |
5815 | ||
5816 | /* Send an extents count of 0 - the dealloc doesn't use it. */ | |
5817 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type, | |
5818 | LPFC_SLI4_MBX_EMBED); | |
5819 | if (unlikely(rc)) { | |
5820 | rc = -EIO; | |
5821 | goto out_free_mbox; | |
5822 | } | |
5823 | if (!phba->sli4_hba.intr_enable) | |
5824 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
5825 | else { | |
a183a15f | 5826 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
5827 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
5828 | } | |
5829 | if (unlikely(rc)) { | |
5830 | rc = -EIO; | |
5831 | goto out_free_mbox; | |
5832 | } | |
5833 | ||
5834 | dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents; | |
5835 | if (bf_get(lpfc_mbox_hdr_status, | |
5836 | &dealloc_rsrc->header.cfg_shdr.response)) { | |
5837 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
5838 | "2919 Failed to release resource extents " | |
5839 | "for type %d - Status 0x%x Add'l Status 0x%x. " | |
5840 | "Resource memory not released.\n", | |
5841 | type, | |
5842 | bf_get(lpfc_mbox_hdr_status, | |
5843 | &dealloc_rsrc->header.cfg_shdr.response), | |
5844 | bf_get(lpfc_mbox_hdr_add_status, | |
5845 | &dealloc_rsrc->header.cfg_shdr.response)); | |
5846 | rc = -EIO; | |
5847 | goto out_free_mbox; | |
5848 | } | |
5849 | ||
5850 | /* Release kernel memory resources for the specific type. */ | |
5851 | switch (type) { | |
5852 | case LPFC_RSC_TYPE_FCOE_VPI: | |
5853 | kfree(phba->vpi_bmask); | |
5854 | kfree(phba->vpi_ids); | |
5855 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5856 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5857 | &phba->lpfc_vpi_blk_list, list) { | |
5858 | list_del_init(&rsrc_blk->list); | |
5859 | kfree(rsrc_blk); | |
5860 | } | |
16a3a208 | 5861 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
5862 | break; |
5863 | case LPFC_RSC_TYPE_FCOE_XRI: | |
5864 | kfree(phba->sli4_hba.xri_bmask); | |
5865 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
5866 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, |
5867 | &phba->sli4_hba.lpfc_xri_blk_list, list) { | |
5868 | list_del_init(&rsrc_blk->list); | |
5869 | kfree(rsrc_blk); | |
5870 | } | |
5871 | break; | |
5872 | case LPFC_RSC_TYPE_FCOE_VFI: | |
5873 | kfree(phba->sli4_hba.vfi_bmask); | |
5874 | kfree(phba->sli4_hba.vfi_ids); | |
5875 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5876 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5877 | &phba->sli4_hba.lpfc_vfi_blk_list, list) { | |
5878 | list_del_init(&rsrc_blk->list); | |
5879 | kfree(rsrc_blk); | |
5880 | } | |
5881 | break; | |
5882 | case LPFC_RSC_TYPE_FCOE_RPI: | |
5883 | /* RPI bitmask and physical id array are cleaned up earlier. */ | |
5884 | list_for_each_entry_safe(rsrc_blk, rsrc_blk_next, | |
5885 | &phba->sli4_hba.lpfc_rpi_blk_list, list) { | |
5886 | list_del_init(&rsrc_blk->list); | |
5887 | kfree(rsrc_blk); | |
5888 | } | |
5889 | break; | |
5890 | default: | |
5891 | break; | |
5892 | } | |
5893 | ||
5894 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
5895 | ||
5896 | out_free_mbox: | |
5897 | mempool_free(mbox, phba->mbox_mem_pool); | |
5898 | return rc; | |
5899 | } | |
5900 | ||
bd4b3e5c | 5901 | static void |
7bdedb34 JS |
5902 | lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, |
5903 | uint32_t feature) | |
65791f1f | 5904 | { |
65791f1f | 5905 | uint32_t len; |
65791f1f | 5906 | |
65791f1f JS |
5907 | len = sizeof(struct lpfc_mbx_set_feature) - |
5908 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
5909 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
5910 | LPFC_MBOX_OPCODE_SET_FEATURES, len, | |
5911 | LPFC_SLI4_MBX_EMBED); | |
7bdedb34 JS |
5912 | |
5913 | switch (feature) { | |
5914 | case LPFC_SET_UE_RECOVERY: | |
5915 | bf_set(lpfc_mbx_set_feature_UER, | |
5916 | &mbox->u.mqe.un.set_feature, 1); | |
5917 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_UE_RECOVERY; | |
5918 | mbox->u.mqe.un.set_feature.param_len = 8; | |
5919 | break; | |
5920 | case LPFC_SET_MDS_DIAGS: | |
5921 | bf_set(lpfc_mbx_set_feature_mds, | |
5922 | &mbox->u.mqe.un.set_feature, 1); | |
5923 | bf_set(lpfc_mbx_set_feature_mds_deep_loopbk, | |
ae9e28f3 | 5924 | &mbox->u.mqe.un.set_feature, 1); |
7bdedb34 JS |
5925 | mbox->u.mqe.un.set_feature.feature = LPFC_SET_MDS_DIAGS; |
5926 | mbox->u.mqe.un.set_feature.param_len = 8; | |
5927 | break; | |
65791f1f | 5928 | } |
7bdedb34 JS |
5929 | |
5930 | return; | |
65791f1f JS |
5931 | } |
5932 | ||
6d368e53 JS |
5933 | /** |
5934 | * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents. | |
5935 | * @phba: Pointer to HBA context object. | |
5936 | * | |
5937 | * This function allocates all SLI4 resource identifiers. | |
5938 | **/ | |
5939 | int | |
5940 | lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) | |
5941 | { | |
5942 | int i, rc, error = 0; | |
5943 | uint16_t count, base; | |
5944 | unsigned long longs; | |
5945 | ||
ff78d8f9 JS |
5946 | if (!phba->sli4_hba.rpi_hdrs_in_use) |
5947 | phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi; | |
6d368e53 JS |
5948 | if (phba->sli4_hba.extents_in_use) { |
5949 | /* | |
5950 | * The port supports resource extents. The XRI, VPI, VFI, RPI | |
5951 | * resource extent count must be read and allocated before | |
5952 | * provisioning the resource id arrays. | |
5953 | */ | |
5954 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
5955 | LPFC_IDX_RSRC_RDY) { | |
5956 | /* | |
5957 | * Extent-based resources are set - the driver could | |
5958 | * be in a port reset. Figure out if any corrective | |
5959 | * actions need to be taken. | |
5960 | */ | |
5961 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5962 | LPFC_RSC_TYPE_FCOE_VFI); | |
5963 | if (rc != 0) | |
5964 | error++; | |
5965 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5966 | LPFC_RSC_TYPE_FCOE_VPI); | |
5967 | if (rc != 0) | |
5968 | error++; | |
5969 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5970 | LPFC_RSC_TYPE_FCOE_XRI); | |
5971 | if (rc != 0) | |
5972 | error++; | |
5973 | rc = lpfc_sli4_chk_avail_extnt_rsrc(phba, | |
5974 | LPFC_RSC_TYPE_FCOE_RPI); | |
5975 | if (rc != 0) | |
5976 | error++; | |
5977 | ||
5978 | /* | |
5979 | * It's possible that the number of resources | |
5980 | * provided to this port instance changed between | |
5981 | * resets. Detect this condition and reallocate | |
5982 | * resources. Otherwise, there is no action. | |
5983 | */ | |
5984 | if (error) { | |
5985 | lpfc_printf_log(phba, KERN_INFO, | |
5986 | LOG_MBOX | LOG_INIT, | |
5987 | "2931 Detected extent resource " | |
5988 | "change. Reallocating all " | |
5989 | "extents.\n"); | |
5990 | rc = lpfc_sli4_dealloc_extent(phba, | |
5991 | LPFC_RSC_TYPE_FCOE_VFI); | |
5992 | rc = lpfc_sli4_dealloc_extent(phba, | |
5993 | LPFC_RSC_TYPE_FCOE_VPI); | |
5994 | rc = lpfc_sli4_dealloc_extent(phba, | |
5995 | LPFC_RSC_TYPE_FCOE_XRI); | |
5996 | rc = lpfc_sli4_dealloc_extent(phba, | |
5997 | LPFC_RSC_TYPE_FCOE_RPI); | |
5998 | } else | |
5999 | return 0; | |
6000 | } | |
6001 | ||
6002 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6003 | if (unlikely(rc)) | |
6004 | goto err_exit; | |
6005 | ||
6006 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6007 | if (unlikely(rc)) | |
6008 | goto err_exit; | |
6009 | ||
6010 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6011 | if (unlikely(rc)) | |
6012 | goto err_exit; | |
6013 | ||
6014 | rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6015 | if (unlikely(rc)) | |
6016 | goto err_exit; | |
6017 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6018 | LPFC_IDX_RSRC_RDY); | |
6019 | return rc; | |
6020 | } else { | |
6021 | /* | |
6022 | * The port does not support resource extents. The XRI, VPI, | |
6023 | * VFI, RPI resource ids were determined from READ_CONFIG. | |
6024 | * Just allocate the bitmasks and provision the resource id | |
6025 | * arrays. If a port reset is active, the resources don't | |
6026 | * need any action - just exit. | |
6027 | */ | |
6028 | if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) == | |
ff78d8f9 JS |
6029 | LPFC_IDX_RSRC_RDY) { |
6030 | lpfc_sli4_dealloc_resource_identifiers(phba); | |
6031 | lpfc_sli4_remove_rpis(phba); | |
6032 | } | |
6d368e53 JS |
6033 | /* RPIs. */ |
6034 | count = phba->sli4_hba.max_cfg_param.max_rpi; | |
0a630c27 JS |
6035 | if (count <= 0) { |
6036 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6037 | "3279 Invalid provisioning of " | |
6038 | "rpi:%d\n", count); | |
6039 | rc = -EINVAL; | |
6040 | goto err_exit; | |
6041 | } | |
6d368e53 JS |
6042 | base = phba->sli4_hba.max_cfg_param.rpi_base; |
6043 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6044 | phba->sli4_hba.rpi_bmask = kzalloc(longs * | |
6045 | sizeof(unsigned long), | |
6046 | GFP_KERNEL); | |
6047 | if (unlikely(!phba->sli4_hba.rpi_bmask)) { | |
6048 | rc = -ENOMEM; | |
6049 | goto err_exit; | |
6050 | } | |
6051 | phba->sli4_hba.rpi_ids = kzalloc(count * | |
6052 | sizeof(uint16_t), | |
6053 | GFP_KERNEL); | |
6054 | if (unlikely(!phba->sli4_hba.rpi_ids)) { | |
6055 | rc = -ENOMEM; | |
6056 | goto free_rpi_bmask; | |
6057 | } | |
6058 | ||
6059 | for (i = 0; i < count; i++) | |
6060 | phba->sli4_hba.rpi_ids[i] = base + i; | |
6061 | ||
6062 | /* VPIs. */ | |
6063 | count = phba->sli4_hba.max_cfg_param.max_vpi; | |
0a630c27 JS |
6064 | if (count <= 0) { |
6065 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6066 | "3280 Invalid provisioning of " | |
6067 | "vpi:%d\n", count); | |
6068 | rc = -EINVAL; | |
6069 | goto free_rpi_ids; | |
6070 | } | |
6d368e53 JS |
6071 | base = phba->sli4_hba.max_cfg_param.vpi_base; |
6072 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6073 | phba->vpi_bmask = kzalloc(longs * | |
6074 | sizeof(unsigned long), | |
6075 | GFP_KERNEL); | |
6076 | if (unlikely(!phba->vpi_bmask)) { | |
6077 | rc = -ENOMEM; | |
6078 | goto free_rpi_ids; | |
6079 | } | |
6080 | phba->vpi_ids = kzalloc(count * | |
6081 | sizeof(uint16_t), | |
6082 | GFP_KERNEL); | |
6083 | if (unlikely(!phba->vpi_ids)) { | |
6084 | rc = -ENOMEM; | |
6085 | goto free_vpi_bmask; | |
6086 | } | |
6087 | ||
6088 | for (i = 0; i < count; i++) | |
6089 | phba->vpi_ids[i] = base + i; | |
6090 | ||
6091 | /* XRIs. */ | |
6092 | count = phba->sli4_hba.max_cfg_param.max_xri; | |
0a630c27 JS |
6093 | if (count <= 0) { |
6094 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6095 | "3281 Invalid provisioning of " | |
6096 | "xri:%d\n", count); | |
6097 | rc = -EINVAL; | |
6098 | goto free_vpi_ids; | |
6099 | } | |
6d368e53 JS |
6100 | base = phba->sli4_hba.max_cfg_param.xri_base; |
6101 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6102 | phba->sli4_hba.xri_bmask = kzalloc(longs * | |
6103 | sizeof(unsigned long), | |
6104 | GFP_KERNEL); | |
6105 | if (unlikely(!phba->sli4_hba.xri_bmask)) { | |
6106 | rc = -ENOMEM; | |
6107 | goto free_vpi_ids; | |
6108 | } | |
41899be7 | 6109 | phba->sli4_hba.max_cfg_param.xri_used = 0; |
6d368e53 JS |
6110 | phba->sli4_hba.xri_ids = kzalloc(count * |
6111 | sizeof(uint16_t), | |
6112 | GFP_KERNEL); | |
6113 | if (unlikely(!phba->sli4_hba.xri_ids)) { | |
6114 | rc = -ENOMEM; | |
6115 | goto free_xri_bmask; | |
6116 | } | |
6117 | ||
6118 | for (i = 0; i < count; i++) | |
6119 | phba->sli4_hba.xri_ids[i] = base + i; | |
6120 | ||
6121 | /* VFIs. */ | |
6122 | count = phba->sli4_hba.max_cfg_param.max_vfi; | |
0a630c27 JS |
6123 | if (count <= 0) { |
6124 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
6125 | "3282 Invalid provisioning of " | |
6126 | "vfi:%d\n", count); | |
6127 | rc = -EINVAL; | |
6128 | goto free_xri_ids; | |
6129 | } | |
6d368e53 JS |
6130 | base = phba->sli4_hba.max_cfg_param.vfi_base; |
6131 | longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG; | |
6132 | phba->sli4_hba.vfi_bmask = kzalloc(longs * | |
6133 | sizeof(unsigned long), | |
6134 | GFP_KERNEL); | |
6135 | if (unlikely(!phba->sli4_hba.vfi_bmask)) { | |
6136 | rc = -ENOMEM; | |
6137 | goto free_xri_ids; | |
6138 | } | |
6139 | phba->sli4_hba.vfi_ids = kzalloc(count * | |
6140 | sizeof(uint16_t), | |
6141 | GFP_KERNEL); | |
6142 | if (unlikely(!phba->sli4_hba.vfi_ids)) { | |
6143 | rc = -ENOMEM; | |
6144 | goto free_vfi_bmask; | |
6145 | } | |
6146 | ||
6147 | for (i = 0; i < count; i++) | |
6148 | phba->sli4_hba.vfi_ids[i] = base + i; | |
6149 | ||
6150 | /* | |
6151 | * Mark all resources ready. An HBA reset doesn't need | |
6152 | * to reset the initialization. | |
6153 | */ | |
6154 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
6155 | LPFC_IDX_RSRC_RDY); | |
6156 | return 0; | |
6157 | } | |
6158 | ||
6159 | free_vfi_bmask: | |
6160 | kfree(phba->sli4_hba.vfi_bmask); | |
cd60be49 | 6161 | phba->sli4_hba.vfi_bmask = NULL; |
6d368e53 JS |
6162 | free_xri_ids: |
6163 | kfree(phba->sli4_hba.xri_ids); | |
cd60be49 | 6164 | phba->sli4_hba.xri_ids = NULL; |
6d368e53 JS |
6165 | free_xri_bmask: |
6166 | kfree(phba->sli4_hba.xri_bmask); | |
cd60be49 | 6167 | phba->sli4_hba.xri_bmask = NULL; |
6d368e53 JS |
6168 | free_vpi_ids: |
6169 | kfree(phba->vpi_ids); | |
cd60be49 | 6170 | phba->vpi_ids = NULL; |
6d368e53 JS |
6171 | free_vpi_bmask: |
6172 | kfree(phba->vpi_bmask); | |
cd60be49 | 6173 | phba->vpi_bmask = NULL; |
6d368e53 JS |
6174 | free_rpi_ids: |
6175 | kfree(phba->sli4_hba.rpi_ids); | |
cd60be49 | 6176 | phba->sli4_hba.rpi_ids = NULL; |
6d368e53 JS |
6177 | free_rpi_bmask: |
6178 | kfree(phba->sli4_hba.rpi_bmask); | |
cd60be49 | 6179 | phba->sli4_hba.rpi_bmask = NULL; |
6d368e53 JS |
6180 | err_exit: |
6181 | return rc; | |
6182 | } | |
6183 | ||
6184 | /** | |
6185 | * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents. | |
6186 | * @phba: Pointer to HBA context object. | |
6187 | * | |
6188 | * This function allocates the number of elements for the specified | |
6189 | * resource type. | |
6190 | **/ | |
6191 | int | |
6192 | lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba) | |
6193 | { | |
6194 | if (phba->sli4_hba.extents_in_use) { | |
6195 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI); | |
6196 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI); | |
6197 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI); | |
6198 | lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI); | |
6199 | } else { | |
6200 | kfree(phba->vpi_bmask); | |
16a3a208 | 6201 | phba->sli4_hba.max_cfg_param.vpi_used = 0; |
6d368e53 JS |
6202 | kfree(phba->vpi_ids); |
6203 | bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6204 | kfree(phba->sli4_hba.xri_bmask); | |
6205 | kfree(phba->sli4_hba.xri_ids); | |
6d368e53 JS |
6206 | kfree(phba->sli4_hba.vfi_bmask); |
6207 | kfree(phba->sli4_hba.vfi_ids); | |
6208 | bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6209 | bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6210 | } | |
6211 | ||
6212 | return 0; | |
6213 | } | |
6214 | ||
b76f2dc9 JS |
6215 | /** |
6216 | * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents. | |
6217 | * @phba: Pointer to HBA context object. | |
6218 | * @type: The resource extent type. | |
6219 | * @extnt_count: buffer to hold port extent count response | |
6220 | * @extnt_size: buffer to hold port extent size response. | |
6221 | * | |
6222 | * This function calls the port to read the host allocated extents | |
6223 | * for a particular type. | |
6224 | **/ | |
6225 | int | |
6226 | lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type, | |
6227 | uint16_t *extnt_cnt, uint16_t *extnt_size) | |
6228 | { | |
6229 | bool emb; | |
6230 | int rc = 0; | |
6231 | uint16_t curr_blks = 0; | |
6232 | uint32_t req_len, emb_len; | |
6233 | uint32_t alloc_len, mbox_tmo; | |
6234 | struct list_head *blk_list_head; | |
6235 | struct lpfc_rsrc_blks *rsrc_blk; | |
6236 | LPFC_MBOXQ_t *mbox; | |
6237 | void *virtaddr = NULL; | |
6238 | struct lpfc_mbx_nembed_rsrc_extent *n_rsrc; | |
6239 | struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext; | |
6240 | union lpfc_sli4_cfg_shdr *shdr; | |
6241 | ||
6242 | switch (type) { | |
6243 | case LPFC_RSC_TYPE_FCOE_VPI: | |
6244 | blk_list_head = &phba->lpfc_vpi_blk_list; | |
6245 | break; | |
6246 | case LPFC_RSC_TYPE_FCOE_XRI: | |
6247 | blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list; | |
6248 | break; | |
6249 | case LPFC_RSC_TYPE_FCOE_VFI: | |
6250 | blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list; | |
6251 | break; | |
6252 | case LPFC_RSC_TYPE_FCOE_RPI: | |
6253 | blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list; | |
6254 | break; | |
6255 | default: | |
6256 | return -EIO; | |
6257 | } | |
6258 | ||
6259 | /* Count the number of extents currently allocatd for this type. */ | |
6260 | list_for_each_entry(rsrc_blk, blk_list_head, list) { | |
6261 | if (curr_blks == 0) { | |
6262 | /* | |
6263 | * The GET_ALLOCATED mailbox does not return the size, | |
6264 | * just the count. The size should be just the size | |
6265 | * stored in the current allocated block and all sizes | |
6266 | * for an extent type are the same so set the return | |
6267 | * value now. | |
6268 | */ | |
6269 | *extnt_size = rsrc_blk->rsrc_size; | |
6270 | } | |
6271 | curr_blks++; | |
6272 | } | |
6273 | ||
b76f2dc9 JS |
6274 | /* |
6275 | * Calculate the size of an embedded mailbox. The uint32_t | |
6276 | * accounts for extents-specific word. | |
6277 | */ | |
6278 | emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) - | |
6279 | sizeof(uint32_t); | |
6280 | ||
6281 | /* | |
6282 | * Presume the allocation and response will fit into an embedded | |
6283 | * mailbox. If not true, reconfigure to a non-embedded mailbox. | |
6284 | */ | |
6285 | emb = LPFC_SLI4_MBX_EMBED; | |
6286 | req_len = emb_len; | |
6287 | if (req_len > emb_len) { | |
6288 | req_len = curr_blks * sizeof(uint16_t) + | |
6289 | sizeof(union lpfc_sli4_cfg_shdr) + | |
6290 | sizeof(uint32_t); | |
6291 | emb = LPFC_SLI4_MBX_NEMBED; | |
6292 | } | |
6293 | ||
6294 | mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6295 | if (!mbox) | |
6296 | return -ENOMEM; | |
6297 | memset(mbox, 0, sizeof(LPFC_MBOXQ_t)); | |
6298 | ||
6299 | alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6300 | LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT, | |
6301 | req_len, emb); | |
6302 | if (alloc_len < req_len) { | |
6303 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6304 | "2983 Allocated DMA memory size (x%x) is " | |
6305 | "less than the requested DMA memory " | |
6306 | "size (x%x)\n", alloc_len, req_len); | |
6307 | rc = -ENOMEM; | |
6308 | goto err_exit; | |
6309 | } | |
6310 | rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb); | |
6311 | if (unlikely(rc)) { | |
6312 | rc = -EIO; | |
6313 | goto err_exit; | |
6314 | } | |
6315 | ||
6316 | if (!phba->sli4_hba.intr_enable) | |
6317 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6318 | else { | |
a183a15f | 6319 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
b76f2dc9 JS |
6320 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
6321 | } | |
6322 | ||
6323 | if (unlikely(rc)) { | |
6324 | rc = -EIO; | |
6325 | goto err_exit; | |
6326 | } | |
6327 | ||
6328 | /* | |
6329 | * Figure out where the response is located. Then get local pointers | |
6330 | * to the response data. The port does not guarantee to respond to | |
6331 | * all extents counts request so update the local variable with the | |
6332 | * allocated count from the port. | |
6333 | */ | |
6334 | if (emb == LPFC_SLI4_MBX_EMBED) { | |
6335 | rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents; | |
6336 | shdr = &rsrc_ext->header.cfg_shdr; | |
6337 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp); | |
6338 | } else { | |
6339 | virtaddr = mbox->sge_array->addr[0]; | |
6340 | n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr; | |
6341 | shdr = &n_rsrc->cfg_shdr; | |
6342 | *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc); | |
6343 | } | |
6344 | ||
6345 | if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) { | |
6346 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT, | |
6347 | "2984 Failed to read allocated resources " | |
6348 | "for type %d - Status 0x%x Add'l Status 0x%x.\n", | |
6349 | type, | |
6350 | bf_get(lpfc_mbox_hdr_status, &shdr->response), | |
6351 | bf_get(lpfc_mbox_hdr_add_status, &shdr->response)); | |
6352 | rc = -EIO; | |
6353 | goto err_exit; | |
6354 | } | |
6355 | err_exit: | |
6356 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
6357 | return rc; | |
6358 | } | |
6359 | ||
8a9d2e80 | 6360 | /** |
0ef69968 | 6361 | * lpfc_sli4_repost_sgl_list - Repost the buffers sgl pages as block |
8a9d2e80 | 6362 | * @phba: pointer to lpfc hba data structure. |
895427bd JS |
6363 | * @pring: Pointer to driver SLI ring object. |
6364 | * @sgl_list: linked link of sgl buffers to post | |
6365 | * @cnt: number of linked list buffers | |
8a9d2e80 | 6366 | * |
895427bd | 6367 | * This routine walks the list of buffers that have been allocated and |
8a9d2e80 JS |
6368 | * repost them to the port by using SGL block post. This is needed after a |
6369 | * pci_function_reset/warm_start or start. It attempts to construct blocks | |
895427bd JS |
6370 | * of buffer sgls which contains contiguous xris and uses the non-embedded |
6371 | * SGL block post mailbox commands to post them to the port. For single | |
8a9d2e80 JS |
6372 | * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post |
6373 | * mailbox command for posting. | |
6374 | * | |
6375 | * Returns: 0 = success, non-zero failure. | |
6376 | **/ | |
6377 | static int | |
895427bd JS |
6378 | lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba, |
6379 | struct list_head *sgl_list, int cnt) | |
8a9d2e80 JS |
6380 | { |
6381 | struct lpfc_sglq *sglq_entry = NULL; | |
6382 | struct lpfc_sglq *sglq_entry_next = NULL; | |
6383 | struct lpfc_sglq *sglq_entry_first = NULL; | |
895427bd JS |
6384 | int status, total_cnt; |
6385 | int post_cnt = 0, num_posted = 0, block_cnt = 0; | |
8a9d2e80 JS |
6386 | int last_xritag = NO_XRI; |
6387 | LIST_HEAD(prep_sgl_list); | |
6388 | LIST_HEAD(blck_sgl_list); | |
6389 | LIST_HEAD(allc_sgl_list); | |
6390 | LIST_HEAD(post_sgl_list); | |
6391 | LIST_HEAD(free_sgl_list); | |
6392 | ||
38c20673 | 6393 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6394 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6395 | list_splice_init(sgl_list, &allc_sgl_list); | |
6396 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 6397 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 | 6398 | |
895427bd | 6399 | total_cnt = cnt; |
8a9d2e80 JS |
6400 | list_for_each_entry_safe(sglq_entry, sglq_entry_next, |
6401 | &allc_sgl_list, list) { | |
6402 | list_del_init(&sglq_entry->list); | |
6403 | block_cnt++; | |
6404 | if ((last_xritag != NO_XRI) && | |
6405 | (sglq_entry->sli4_xritag != last_xritag + 1)) { | |
6406 | /* a hole in xri block, form a sgl posting block */ | |
6407 | list_splice_init(&prep_sgl_list, &blck_sgl_list); | |
6408 | post_cnt = block_cnt - 1; | |
6409 | /* prepare list for next posting block */ | |
6410 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6411 | block_cnt = 1; | |
6412 | } else { | |
6413 | /* prepare list for next posting block */ | |
6414 | list_add_tail(&sglq_entry->list, &prep_sgl_list); | |
6415 | /* enough sgls for non-embed sgl mbox command */ | |
6416 | if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) { | |
6417 | list_splice_init(&prep_sgl_list, | |
6418 | &blck_sgl_list); | |
6419 | post_cnt = block_cnt; | |
6420 | block_cnt = 0; | |
6421 | } | |
6422 | } | |
6423 | num_posted++; | |
6424 | ||
6425 | /* keep track of last sgl's xritag */ | |
6426 | last_xritag = sglq_entry->sli4_xritag; | |
6427 | ||
895427bd JS |
6428 | /* end of repost sgl list condition for buffers */ |
6429 | if (num_posted == total_cnt) { | |
8a9d2e80 JS |
6430 | if (post_cnt == 0) { |
6431 | list_splice_init(&prep_sgl_list, | |
6432 | &blck_sgl_list); | |
6433 | post_cnt = block_cnt; | |
6434 | } else if (block_cnt == 1) { | |
6435 | status = lpfc_sli4_post_sgl(phba, | |
6436 | sglq_entry->phys, 0, | |
6437 | sglq_entry->sli4_xritag); | |
6438 | if (!status) { | |
6439 | /* successful, put sgl to posted list */ | |
6440 | list_add_tail(&sglq_entry->list, | |
6441 | &post_sgl_list); | |
6442 | } else { | |
6443 | /* Failure, put sgl to free list */ | |
6444 | lpfc_printf_log(phba, KERN_WARNING, | |
6445 | LOG_SLI, | |
895427bd | 6446 | "3159 Failed to post " |
8a9d2e80 JS |
6447 | "sgl, xritag:x%x\n", |
6448 | sglq_entry->sli4_xritag); | |
6449 | list_add_tail(&sglq_entry->list, | |
6450 | &free_sgl_list); | |
711ea882 | 6451 | total_cnt--; |
8a9d2e80 JS |
6452 | } |
6453 | } | |
6454 | } | |
6455 | ||
6456 | /* continue until a nembed page worth of sgls */ | |
6457 | if (post_cnt == 0) | |
6458 | continue; | |
6459 | ||
895427bd JS |
6460 | /* post the buffer list sgls as a block */ |
6461 | status = lpfc_sli4_post_sgl_list(phba, &blck_sgl_list, | |
6462 | post_cnt); | |
8a9d2e80 JS |
6463 | |
6464 | if (!status) { | |
6465 | /* success, put sgl list to posted sgl list */ | |
6466 | list_splice_init(&blck_sgl_list, &post_sgl_list); | |
6467 | } else { | |
6468 | /* Failure, put sgl list to free sgl list */ | |
6469 | sglq_entry_first = list_first_entry(&blck_sgl_list, | |
6470 | struct lpfc_sglq, | |
6471 | list); | |
6472 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
895427bd | 6473 | "3160 Failed to post sgl-list, " |
8a9d2e80 JS |
6474 | "xritag:x%x-x%x\n", |
6475 | sglq_entry_first->sli4_xritag, | |
6476 | (sglq_entry_first->sli4_xritag + | |
6477 | post_cnt - 1)); | |
6478 | list_splice_init(&blck_sgl_list, &free_sgl_list); | |
711ea882 | 6479 | total_cnt -= post_cnt; |
8a9d2e80 JS |
6480 | } |
6481 | ||
6482 | /* don't reset xirtag due to hole in xri block */ | |
6483 | if (block_cnt == 0) | |
6484 | last_xritag = NO_XRI; | |
6485 | ||
895427bd | 6486 | /* reset sgl post count for next round of posting */ |
8a9d2e80 JS |
6487 | post_cnt = 0; |
6488 | } | |
6489 | ||
895427bd | 6490 | /* free the sgls failed to post */ |
8a9d2e80 JS |
6491 | lpfc_free_sgl_list(phba, &free_sgl_list); |
6492 | ||
895427bd | 6493 | /* push sgls posted to the available list */ |
8a9d2e80 | 6494 | if (!list_empty(&post_sgl_list)) { |
38c20673 | 6495 | spin_lock_irq(&phba->hbalock); |
895427bd JS |
6496 | spin_lock(&phba->sli4_hba.sgl_list_lock); |
6497 | list_splice_init(&post_sgl_list, sgl_list); | |
6498 | spin_unlock(&phba->sli4_hba.sgl_list_lock); | |
38c20673 | 6499 | spin_unlock_irq(&phba->hbalock); |
8a9d2e80 JS |
6500 | } else { |
6501 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 6502 | "3161 Failure to post sgl to port.\n"); |
8a9d2e80 JS |
6503 | return -EIO; |
6504 | } | |
895427bd JS |
6505 | |
6506 | /* return the number of XRIs actually posted */ | |
6507 | return total_cnt; | |
8a9d2e80 JS |
6508 | } |
6509 | ||
61bda8f7 JS |
6510 | void |
6511 | lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) | |
6512 | { | |
6513 | uint32_t len; | |
6514 | ||
6515 | len = sizeof(struct lpfc_mbx_set_host_data) - | |
6516 | sizeof(struct lpfc_sli4_cfg_mhdr); | |
6517 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
6518 | LPFC_MBOX_OPCODE_SET_HOST_DATA, len, | |
6519 | LPFC_SLI4_MBX_EMBED); | |
6520 | ||
6521 | mbox->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_OS_DRIVER_VERSION; | |
b2fd103b JS |
6522 | mbox->u.mqe.un.set_host_data.param_len = |
6523 | LPFC_HOST_OS_DRIVER_VERSION_SIZE; | |
61bda8f7 JS |
6524 | snprintf(mbox->u.mqe.un.set_host_data.data, |
6525 | LPFC_HOST_OS_DRIVER_VERSION_SIZE, | |
6526 | "Linux %s v"LPFC_DRIVER_VERSION, | |
6527 | (phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC"); | |
6528 | } | |
6529 | ||
a8cf5dfe | 6530 | int |
6c621a22 | 6531 | lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
a8cf5dfe | 6532 | struct lpfc_queue *drq, int count, int idx) |
6c621a22 JS |
6533 | { |
6534 | int rc, i; | |
6535 | struct lpfc_rqe hrqe; | |
6536 | struct lpfc_rqe drqe; | |
6537 | struct lpfc_rqb *rqbp; | |
6538 | struct rqb_dmabuf *rqb_buffer; | |
6539 | LIST_HEAD(rqb_buf_list); | |
6540 | ||
6541 | rqbp = hrq->rqbp; | |
6542 | for (i = 0; i < count; i++) { | |
6543 | /* IF RQ is already full, don't bother */ | |
6544 | if (rqbp->buffer_count + i >= rqbp->entry_count - 1) | |
6545 | break; | |
6546 | rqb_buffer = rqbp->rqb_alloc_buffer(phba); | |
6547 | if (!rqb_buffer) | |
6548 | break; | |
6549 | rqb_buffer->hrq = hrq; | |
6550 | rqb_buffer->drq = drq; | |
a8cf5dfe | 6551 | rqb_buffer->idx = idx; |
6c621a22 JS |
6552 | list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); |
6553 | } | |
6554 | while (!list_empty(&rqb_buf_list)) { | |
6555 | list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, | |
6556 | hbuf.list); | |
6557 | ||
6558 | hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); | |
6559 | hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); | |
6560 | drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); | |
6561 | drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); | |
6562 | rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); | |
6563 | if (rc < 0) { | |
6564 | rqbp->rqb_free_buffer(phba, rqb_buffer); | |
6565 | } else { | |
6566 | list_add_tail(&rqb_buffer->hbuf.list, | |
6567 | &rqbp->rqb_buffer_list); | |
6568 | rqbp->buffer_count++; | |
6569 | } | |
6570 | } | |
6571 | return 1; | |
6572 | } | |
6573 | ||
da0436e9 | 6574 | /** |
183b8021 | 6575 | * lpfc_sli4_hba_setup - SLI4 device initialization PCI function |
da0436e9 JS |
6576 | * @phba: Pointer to HBA context object. |
6577 | * | |
183b8021 MY |
6578 | * This function is the main SLI4 device initialization PCI function. This |
6579 | * function is called by the HBA initialization code, HBA reset code and | |
da0436e9 JS |
6580 | * HBA error attention handler code. Caller is not required to hold any |
6581 | * locks. | |
6582 | **/ | |
6583 | int | |
6584 | lpfc_sli4_hba_setup(struct lpfc_hba *phba) | |
6585 | { | |
6c621a22 | 6586 | int rc, i, cnt; |
da0436e9 JS |
6587 | LPFC_MBOXQ_t *mboxq; |
6588 | struct lpfc_mqe *mqe; | |
6589 | uint8_t *vpd; | |
6590 | uint32_t vpd_size; | |
6591 | uint32_t ftr_rsp = 0; | |
6592 | struct Scsi_Host *shost = lpfc_shost_from_vport(phba->pport); | |
6593 | struct lpfc_vport *vport = phba->pport; | |
6594 | struct lpfc_dmabuf *mp; | |
2d7dbc4c | 6595 | struct lpfc_rqb *rqbp; |
da0436e9 JS |
6596 | |
6597 | /* Perform a PCI function reset to start from clean */ | |
6598 | rc = lpfc_pci_function_reset(phba); | |
6599 | if (unlikely(rc)) | |
6600 | return -ENODEV; | |
6601 | ||
6602 | /* Check the HBA Host Status Register for readyness */ | |
6603 | rc = lpfc_sli4_post_status_check(phba); | |
6604 | if (unlikely(rc)) | |
6605 | return -ENODEV; | |
6606 | else { | |
6607 | spin_lock_irq(&phba->hbalock); | |
6608 | phba->sli.sli_flag |= LPFC_SLI_ACTIVE; | |
6609 | spin_unlock_irq(&phba->hbalock); | |
6610 | } | |
6611 | ||
6612 | /* | |
6613 | * Allocate a single mailbox container for initializing the | |
6614 | * port. | |
6615 | */ | |
6616 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
6617 | if (!mboxq) | |
6618 | return -ENOMEM; | |
6619 | ||
da0436e9 | 6620 | /* Issue READ_REV to collect vpd and FW information. */ |
49198b37 | 6621 | vpd_size = SLI4_PAGE_SIZE; |
da0436e9 JS |
6622 | vpd = kzalloc(vpd_size, GFP_KERNEL); |
6623 | if (!vpd) { | |
6624 | rc = -ENOMEM; | |
6625 | goto out_free_mbox; | |
6626 | } | |
6627 | ||
6628 | rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size); | |
76a95d75 JS |
6629 | if (unlikely(rc)) { |
6630 | kfree(vpd); | |
6631 | goto out_free_mbox; | |
6632 | } | |
572709e2 | 6633 | |
da0436e9 | 6634 | mqe = &mboxq->u.mqe; |
f1126688 | 6635 | phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev); |
b5c53958 | 6636 | if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) { |
76a95d75 | 6637 | phba->hba_flag |= HBA_FCOE_MODE; |
b5c53958 JS |
6638 | phba->fcp_embed_io = 0; /* SLI4 FC support only */ |
6639 | } else { | |
76a95d75 | 6640 | phba->hba_flag &= ~HBA_FCOE_MODE; |
b5c53958 | 6641 | } |
45ed1190 JS |
6642 | |
6643 | if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) == | |
6644 | LPFC_DCBX_CEE_MODE) | |
6645 | phba->hba_flag |= HBA_FIP_SUPPORT; | |
6646 | else | |
6647 | phba->hba_flag &= ~HBA_FIP_SUPPORT; | |
6648 | ||
4f2e66c6 JS |
6649 | phba->hba_flag &= ~HBA_FCP_IOQ_FLUSH; |
6650 | ||
c31098ce | 6651 | if (phba->sli_rev != LPFC_SLI_REV4) { |
da0436e9 JS |
6652 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6653 | "0376 READ_REV Error. SLI Level %d " | |
6654 | "FCoE enabled %d\n", | |
76a95d75 | 6655 | phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE); |
da0436e9 | 6656 | rc = -EIO; |
76a95d75 JS |
6657 | kfree(vpd); |
6658 | goto out_free_mbox; | |
da0436e9 | 6659 | } |
cd1c8301 | 6660 | |
ff78d8f9 JS |
6661 | /* |
6662 | * Continue initialization with default values even if driver failed | |
6663 | * to read FCoE param config regions, only read parameters if the | |
6664 | * board is FCoE | |
6665 | */ | |
6666 | if (phba->hba_flag & HBA_FCOE_MODE && | |
6667 | lpfc_sli4_read_fcoe_params(phba)) | |
6668 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_INIT, | |
6669 | "2570 Failed to read FCoE parameters\n"); | |
6670 | ||
cd1c8301 JS |
6671 | /* |
6672 | * Retrieve sli4 device physical port name, failure of doing it | |
6673 | * is considered as non-fatal. | |
6674 | */ | |
6675 | rc = lpfc_sli4_retrieve_pport_name(phba); | |
6676 | if (!rc) | |
6677 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
6678 | "3080 Successful retrieving SLI4 device " | |
6679 | "physical port name: %s.\n", phba->Port); | |
6680 | ||
da0436e9 JS |
6681 | /* |
6682 | * Evaluate the read rev and vpd data. Populate the driver | |
6683 | * state with the results. If this routine fails, the failure | |
6684 | * is not fatal as the driver will use generic values. | |
6685 | */ | |
6686 | rc = lpfc_parse_vpd(phba, vpd, vpd_size); | |
6687 | if (unlikely(!rc)) { | |
6688 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6689 | "0377 Error %d parsing vpd. " | |
6690 | "Using defaults.\n", rc); | |
6691 | rc = 0; | |
6692 | } | |
76a95d75 | 6693 | kfree(vpd); |
da0436e9 | 6694 | |
f1126688 JS |
6695 | /* Save information as VPD data */ |
6696 | phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev; | |
6697 | phba->vpd.rev.smRev = mqe->un.read_rev.second_hw_rev; | |
6698 | phba->vpd.rev.endecRev = mqe->un.read_rev.third_hw_rev; | |
6699 | phba->vpd.rev.fcphHigh = bf_get(lpfc_mbx_rd_rev_fcph_high, | |
6700 | &mqe->un.read_rev); | |
6701 | phba->vpd.rev.fcphLow = bf_get(lpfc_mbx_rd_rev_fcph_low, | |
6702 | &mqe->un.read_rev); | |
6703 | phba->vpd.rev.feaLevelHigh = bf_get(lpfc_mbx_rd_rev_ftr_lvl_high, | |
6704 | &mqe->un.read_rev); | |
6705 | phba->vpd.rev.feaLevelLow = bf_get(lpfc_mbx_rd_rev_ftr_lvl_low, | |
6706 | &mqe->un.read_rev); | |
6707 | phba->vpd.rev.sli1FwRev = mqe->un.read_rev.fw_id_rev; | |
6708 | memcpy(phba->vpd.rev.sli1FwName, mqe->un.read_rev.fw_name, 16); | |
6709 | phba->vpd.rev.sli2FwRev = mqe->un.read_rev.ulp_fw_id_rev; | |
6710 | memcpy(phba->vpd.rev.sli2FwName, mqe->un.read_rev.ulp_fw_name, 16); | |
6711 | phba->vpd.rev.opFwRev = mqe->un.read_rev.fw_id_rev; | |
6712 | memcpy(phba->vpd.rev.opFwName, mqe->un.read_rev.fw_name, 16); | |
6713 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
6714 | "(%d):0380 READ_REV Status x%x " | |
6715 | "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n", | |
6716 | mboxq->vport ? mboxq->vport->vpi : 0, | |
6717 | bf_get(lpfc_mqe_status, mqe), | |
6718 | phba->vpd.rev.opFwName, | |
6719 | phba->vpd.rev.fcphHigh, phba->vpd.rev.fcphLow, | |
6720 | phba->vpd.rev.feaLevelHigh, phba->vpd.rev.feaLevelLow); | |
da0436e9 | 6721 | |
572709e2 JS |
6722 | /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */ |
6723 | rc = (phba->sli4_hba.max_cfg_param.max_xri >> 3); | |
6724 | if (phba->pport->cfg_lun_queue_depth > rc) { | |
6725 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, | |
6726 | "3362 LUN queue depth changed from %d to %d\n", | |
6727 | phba->pport->cfg_lun_queue_depth, rc); | |
6728 | phba->pport->cfg_lun_queue_depth = rc; | |
6729 | } | |
6730 | ||
65791f1f | 6731 | if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) == |
7bdedb34 JS |
6732 | LPFC_SLI_INTF_IF_TYPE_0) { |
6733 | lpfc_set_features(phba, mboxq, LPFC_SET_UE_RECOVERY); | |
6734 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6735 | if (rc == MBX_SUCCESS) { | |
6736 | phba->hba_flag |= HBA_RECOVERABLE_UE; | |
6737 | /* Set 1Sec interval to detect UE */ | |
6738 | phba->eratt_poll_interval = 1; | |
6739 | phba->sli4_hba.ue_to_sr = bf_get( | |
6740 | lpfc_mbx_set_feature_UESR, | |
6741 | &mboxq->u.mqe.un.set_feature); | |
6742 | phba->sli4_hba.ue_to_rp = bf_get( | |
6743 | lpfc_mbx_set_feature_UERP, | |
6744 | &mboxq->u.mqe.un.set_feature); | |
6745 | } | |
6746 | } | |
6747 | ||
6748 | if (phba->cfg_enable_mds_diags && phba->mds_diags_support) { | |
6749 | /* Enable MDS Diagnostics only if the SLI Port supports it */ | |
6750 | lpfc_set_features(phba, mboxq, LPFC_SET_MDS_DIAGS); | |
6751 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6752 | if (rc != MBX_SUCCESS) | |
6753 | phba->mds_diags_support = 0; | |
6754 | } | |
572709e2 | 6755 | |
da0436e9 JS |
6756 | /* |
6757 | * Discover the port's supported feature set and match it against the | |
6758 | * hosts requests. | |
6759 | */ | |
6760 | lpfc_request_features(phba, mboxq); | |
6761 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6762 | if (unlikely(rc)) { | |
6763 | rc = -EIO; | |
76a95d75 | 6764 | goto out_free_mbox; |
da0436e9 JS |
6765 | } |
6766 | ||
6767 | /* | |
6768 | * The port must support FCP initiator mode as this is the | |
6769 | * only mode running in the host. | |
6770 | */ | |
6771 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi, &mqe->un.req_ftrs))) { | |
6772 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6773 | "0378 No support for fcpi mode.\n"); | |
6774 | ftr_rsp++; | |
6775 | } | |
fedd3b7b JS |
6776 | if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh, &mqe->un.req_ftrs)) |
6777 | phba->sli3_options |= LPFC_SLI4_PERFH_ENABLED; | |
6778 | else | |
6779 | phba->sli3_options &= ~LPFC_SLI4_PERFH_ENABLED; | |
da0436e9 JS |
6780 | /* |
6781 | * If the port cannot support the host's requested features | |
6782 | * then turn off the global config parameters to disable the | |
6783 | * feature in the driver. This is not a fatal error. | |
6784 | */ | |
bf08611b JS |
6785 | phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; |
6786 | if (phba->cfg_enable_bg) { | |
6787 | if (bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs)) | |
6788 | phba->sli3_options |= LPFC_SLI3_BG_ENABLED; | |
6789 | else | |
6790 | ftr_rsp++; | |
6791 | } | |
da0436e9 JS |
6792 | |
6793 | if (phba->max_vpi && phba->cfg_enable_npiv && | |
6794 | !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
6795 | ftr_rsp++; | |
6796 | ||
6797 | if (ftr_rsp) { | |
6798 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6799 | "0379 Feature Mismatch Data: x%08x %08x " | |
6800 | "x%x x%x x%x\n", mqe->un.req_ftrs.word2, | |
6801 | mqe->un.req_ftrs.word3, phba->cfg_enable_bg, | |
6802 | phba->cfg_enable_npiv, phba->max_vpi); | |
6803 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) | |
6804 | phba->cfg_enable_bg = 0; | |
6805 | if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) | |
6806 | phba->cfg_enable_npiv = 0; | |
6807 | } | |
6808 | ||
6809 | /* These SLI3 features are assumed in SLI4 */ | |
6810 | spin_lock_irq(&phba->hbalock); | |
6811 | phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED); | |
6812 | spin_unlock_irq(&phba->hbalock); | |
6813 | ||
6d368e53 JS |
6814 | /* |
6815 | * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent | |
6816 | * calls depends on these resources to complete port setup. | |
6817 | */ | |
6818 | rc = lpfc_sli4_alloc_resource_identifiers(phba); | |
6819 | if (rc) { | |
6820 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6821 | "2920 Failed to alloc Resource IDs " | |
6822 | "rc = x%x\n", rc); | |
6823 | goto out_free_mbox; | |
6824 | } | |
6825 | ||
61bda8f7 JS |
6826 | lpfc_set_host_data(phba, mboxq); |
6827 | ||
6828 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6829 | if (rc) { | |
6830 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, | |
6831 | "2134 Failed to set host os driver version %x", | |
6832 | rc); | |
6833 | } | |
6834 | ||
da0436e9 | 6835 | /* Read the port's service parameters. */ |
9f1177a3 JS |
6836 | rc = lpfc_read_sparam(phba, mboxq, vport->vpi); |
6837 | if (rc) { | |
6838 | phba->link_state = LPFC_HBA_ERROR; | |
6839 | rc = -ENOMEM; | |
76a95d75 | 6840 | goto out_free_mbox; |
9f1177a3 JS |
6841 | } |
6842 | ||
da0436e9 JS |
6843 | mboxq->vport = vport; |
6844 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
6845 | mp = (struct lpfc_dmabuf *) mboxq->context1; | |
6846 | if (rc == MBX_SUCCESS) { | |
6847 | memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm)); | |
6848 | rc = 0; | |
6849 | } | |
6850 | ||
6851 | /* | |
6852 | * This memory was allocated by the lpfc_read_sparam routine. Release | |
6853 | * it to the mbuf pool. | |
6854 | */ | |
6855 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
6856 | kfree(mp); | |
6857 | mboxq->context1 = NULL; | |
6858 | if (unlikely(rc)) { | |
6859 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6860 | "0382 READ_SPARAM command failed " | |
6861 | "status %d, mbxStatus x%x\n", | |
6862 | rc, bf_get(lpfc_mqe_status, mqe)); | |
6863 | phba->link_state = LPFC_HBA_ERROR; | |
6864 | rc = -EIO; | |
76a95d75 | 6865 | goto out_free_mbox; |
da0436e9 JS |
6866 | } |
6867 | ||
0558056c | 6868 | lpfc_update_vport_wwn(vport); |
da0436e9 JS |
6869 | |
6870 | /* Update the fc_host data structures with new wwn. */ | |
6871 | fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn); | |
6872 | fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn); | |
6873 | ||
895427bd JS |
6874 | /* Create all the SLI4 queues */ |
6875 | rc = lpfc_sli4_queue_create(phba); | |
6876 | if (rc) { | |
6877 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
6878 | "3089 Failed to allocate queues\n"); | |
6879 | rc = -ENODEV; | |
6880 | goto out_free_mbox; | |
6881 | } | |
6882 | /* Set up all the queues to the device */ | |
6883 | rc = lpfc_sli4_queue_setup(phba); | |
6884 | if (unlikely(rc)) { | |
6885 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6886 | "0381 Error %d during queue setup.\n ", rc); | |
6887 | goto out_stop_timers; | |
6888 | } | |
6889 | /* Initialize the driver internal SLI layer lists. */ | |
6890 | lpfc_sli4_setup(phba); | |
6891 | lpfc_sli4_queue_init(phba); | |
6892 | ||
6893 | /* update host els xri-sgl sizes and mappings */ | |
6894 | rc = lpfc_sli4_els_sgl_update(phba); | |
8a9d2e80 JS |
6895 | if (unlikely(rc)) { |
6896 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6897 | "1400 Failed to update xri-sgl size and " | |
6898 | "mapping: %d\n", rc); | |
895427bd | 6899 | goto out_destroy_queue; |
da0436e9 JS |
6900 | } |
6901 | ||
8a9d2e80 | 6902 | /* register the els sgl pool to the port */ |
895427bd JS |
6903 | rc = lpfc_sli4_repost_sgl_list(phba, &phba->sli4_hba.lpfc_els_sgl_list, |
6904 | phba->sli4_hba.els_xri_cnt); | |
6905 | if (unlikely(rc < 0)) { | |
8a9d2e80 JS |
6906 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
6907 | "0582 Error %d during els sgl post " | |
6908 | "operation\n", rc); | |
6909 | rc = -ENODEV; | |
895427bd | 6910 | goto out_destroy_queue; |
8a9d2e80 | 6911 | } |
895427bd | 6912 | phba->sli4_hba.els_xri_cnt = rc; |
8a9d2e80 | 6913 | |
f358dd0c JS |
6914 | if (phba->nvmet_support) { |
6915 | /* update host nvmet xri-sgl sizes and mappings */ | |
6916 | rc = lpfc_sli4_nvmet_sgl_update(phba); | |
6917 | if (unlikely(rc)) { | |
6918 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6919 | "6308 Failed to update nvmet-sgl size " | |
6920 | "and mapping: %d\n", rc); | |
6921 | goto out_destroy_queue; | |
6922 | } | |
6923 | ||
6924 | /* register the nvmet sgl pool to the port */ | |
6925 | rc = lpfc_sli4_repost_sgl_list( | |
6926 | phba, | |
6927 | &phba->sli4_hba.lpfc_nvmet_sgl_list, | |
6928 | phba->sli4_hba.nvmet_xri_cnt); | |
6929 | if (unlikely(rc < 0)) { | |
6930 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
6931 | "3117 Error %d during nvmet " | |
6932 | "sgl post\n", rc); | |
6933 | rc = -ENODEV; | |
6934 | goto out_destroy_queue; | |
6935 | } | |
6936 | phba->sli4_hba.nvmet_xri_cnt = rc; | |
6c621a22 JS |
6937 | |
6938 | cnt = phba->cfg_iocb_cnt * 1024; | |
6939 | /* We need 1 iocbq for every SGL, for IO processing */ | |
6940 | cnt += phba->sli4_hba.nvmet_xri_cnt; | |
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; | |
11e644e2 JS |
6961 | } |
6962 | ||
6963 | if (!phba->sli.iocbq_lookup) { | |
6c621a22 JS |
6964 | /* Initialize and populate the iocb list per host */ |
6965 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
11e644e2 | 6966 | "2821 initialize iocb list %d total %d\n", |
6c621a22 JS |
6967 | phba->cfg_iocb_cnt, cnt); |
6968 | rc = lpfc_init_iocb_list(phba, cnt); | |
6969 | if (rc) { | |
6970 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11e644e2 | 6971 | "1413 Failed to init iocb list.\n"); |
6c621a22 JS |
6972 | goto out_destroy_queue; |
6973 | } | |
895427bd JS |
6974 | } |
6975 | ||
11e644e2 JS |
6976 | if (phba->nvmet_support) |
6977 | lpfc_nvmet_create_targetport(phba); | |
6978 | ||
2d7dbc4c | 6979 | if (phba->nvmet_support && phba->cfg_nvmet_mrq) { |
2d7dbc4c JS |
6980 | /* Post initial buffers to all RQs created */ |
6981 | for (i = 0; i < phba->cfg_nvmet_mrq; i++) { | |
6982 | rqbp = phba->sli4_hba.nvmet_mrq_hdr[i]->rqbp; | |
6983 | INIT_LIST_HEAD(&rqbp->rqb_buffer_list); | |
6984 | rqbp->rqb_alloc_buffer = lpfc_sli4_nvmet_alloc; | |
6985 | rqbp->rqb_free_buffer = lpfc_sli4_nvmet_free; | |
61f3d4bf | 6986 | rqbp->entry_count = LPFC_NVMET_RQE_DEF_COUNT; |
2d7dbc4c JS |
6987 | rqbp->buffer_count = 0; |
6988 | ||
2d7dbc4c JS |
6989 | lpfc_post_rq_buffer( |
6990 | phba, phba->sli4_hba.nvmet_mrq_hdr[i], | |
6991 | phba->sli4_hba.nvmet_mrq_data[i], | |
a8cf5dfe | 6992 | LPFC_NVMET_RQE_DEF_COUNT, i); |
2d7dbc4c JS |
6993 | } |
6994 | } | |
6995 | ||
895427bd JS |
6996 | if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { |
6997 | /* register the allocated scsi sgl pool to the port */ | |
6998 | rc = lpfc_sli4_repost_scsi_sgl_list(phba); | |
6999 | if (unlikely(rc)) { | |
7000 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7001 | "0383 Error %d during scsi sgl post " | |
7002 | "operation\n", rc); | |
7003 | /* Some Scsi buffers were moved to abort scsi list */ | |
7004 | /* A pci function reset will repost them */ | |
7005 | rc = -ENODEV; | |
7006 | goto out_destroy_queue; | |
7007 | } | |
da0436e9 JS |
7008 | } |
7009 | ||
01649561 JS |
7010 | if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) && |
7011 | (phba->nvmet_support == 0)) { | |
7012 | ||
7013 | /* register the allocated nvme sgl pool to the port */ | |
7014 | rc = lpfc_repost_nvme_sgl_list(phba); | |
7015 | if (unlikely(rc)) { | |
7016 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7017 | "6116 Error %d during nvme sgl post " | |
7018 | "operation\n", rc); | |
7019 | /* Some NVME buffers were moved to abort nvme list */ | |
7020 | /* A pci function reset will repost them */ | |
7021 | rc = -ENODEV; | |
7022 | goto out_destroy_queue; | |
7023 | } | |
da0436e9 JS |
7024 | } |
7025 | ||
7026 | /* Post the rpi header region to the device. */ | |
7027 | rc = lpfc_sli4_post_all_rpi_hdrs(phba); | |
7028 | if (unlikely(rc)) { | |
7029 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7030 | "0393 Error %d during rpi post operation\n", | |
7031 | rc); | |
7032 | rc = -ENODEV; | |
895427bd | 7033 | goto out_destroy_queue; |
da0436e9 | 7034 | } |
97f2ecf1 | 7035 | lpfc_sli4_node_prep(phba); |
da0436e9 | 7036 | |
895427bd | 7037 | if (!(phba->hba_flag & HBA_FCOE_MODE)) { |
2d7dbc4c | 7038 | if ((phba->nvmet_support == 0) || (phba->cfg_nvmet_mrq == 1)) { |
895427bd JS |
7039 | /* |
7040 | * The FC Port needs to register FCFI (index 0) | |
7041 | */ | |
7042 | lpfc_reg_fcfi(phba, mboxq); | |
7043 | mboxq->vport = phba->pport; | |
7044 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7045 | if (rc != MBX_SUCCESS) | |
7046 | goto out_unset_queue; | |
7047 | rc = 0; | |
7048 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi, | |
7049 | &mboxq->u.mqe.un.reg_fcfi); | |
2d7dbc4c JS |
7050 | } else { |
7051 | /* We are a NVME Target mode with MRQ > 1 */ | |
7052 | ||
7053 | /* First register the FCFI */ | |
7054 | lpfc_reg_fcfi_mrq(phba, mboxq, 0); | |
7055 | mboxq->vport = phba->pport; | |
7056 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7057 | if (rc != MBX_SUCCESS) | |
7058 | goto out_unset_queue; | |
7059 | rc = 0; | |
7060 | phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_mrq_fcfi, | |
7061 | &mboxq->u.mqe.un.reg_fcfi_mrq); | |
7062 | ||
7063 | /* Next register the MRQs */ | |
7064 | lpfc_reg_fcfi_mrq(phba, mboxq, 1); | |
7065 | mboxq->vport = phba->pport; | |
7066 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7067 | if (rc != MBX_SUCCESS) | |
7068 | goto out_unset_queue; | |
7069 | rc = 0; | |
895427bd JS |
7070 | } |
7071 | /* Check if the port is configured to be disabled */ | |
7072 | lpfc_sli_read_link_ste(phba); | |
da0436e9 JS |
7073 | } |
7074 | ||
7075 | /* Arm the CQs and then EQs on device */ | |
7076 | lpfc_sli4_arm_cqeq_intr(phba); | |
7077 | ||
7078 | /* Indicate device interrupt mode */ | |
7079 | phba->sli4_hba.intr_enable = 1; | |
7080 | ||
7081 | /* Allow asynchronous mailbox command to go through */ | |
7082 | spin_lock_irq(&phba->hbalock); | |
7083 | phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7084 | spin_unlock_irq(&phba->hbalock); | |
7085 | ||
7086 | /* Post receive buffers to the device */ | |
7087 | lpfc_sli4_rb_setup(phba); | |
7088 | ||
fc2b989b JS |
7089 | /* Reset HBA FCF states after HBA reset */ |
7090 | phba->fcf.fcf_flag = 0; | |
7091 | phba->fcf.current_rec.flag = 0; | |
7092 | ||
da0436e9 | 7093 | /* Start the ELS watchdog timer */ |
8fa38513 | 7094 | mod_timer(&vport->els_tmofunc, |
256ec0d0 | 7095 | jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov * 2))); |
da0436e9 JS |
7096 | |
7097 | /* Start heart beat timer */ | |
7098 | mod_timer(&phba->hb_tmofunc, | |
256ec0d0 | 7099 | jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL)); |
da0436e9 JS |
7100 | phba->hb_outstanding = 0; |
7101 | phba->last_completion_time = jiffies; | |
7102 | ||
7103 | /* Start error attention (ERATT) polling timer */ | |
256ec0d0 | 7104 | mod_timer(&phba->eratt_poll, |
65791f1f | 7105 | jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval)); |
da0436e9 | 7106 | |
75baf696 JS |
7107 | /* Enable PCIe device Advanced Error Reporting (AER) if configured */ |
7108 | if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) { | |
7109 | rc = pci_enable_pcie_error_reporting(phba->pcidev); | |
7110 | if (!rc) { | |
7111 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7112 | "2829 This device supports " | |
7113 | "Advanced Error Reporting (AER)\n"); | |
7114 | spin_lock_irq(&phba->hbalock); | |
7115 | phba->hba_flag |= HBA_AER_ENABLED; | |
7116 | spin_unlock_irq(&phba->hbalock); | |
7117 | } else { | |
7118 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
7119 | "2830 This device does not support " | |
7120 | "Advanced Error Reporting (AER)\n"); | |
7121 | phba->cfg_aer_support = 0; | |
7122 | } | |
0a96e975 | 7123 | rc = 0; |
75baf696 JS |
7124 | } |
7125 | ||
da0436e9 JS |
7126 | /* |
7127 | * The port is ready, set the host's link state to LINK_DOWN | |
7128 | * in preparation for link interrupts. | |
7129 | */ | |
da0436e9 JS |
7130 | spin_lock_irq(&phba->hbalock); |
7131 | phba->link_state = LPFC_LINK_DOWN; | |
7132 | spin_unlock_irq(&phba->hbalock); | |
026abb87 JS |
7133 | if (!(phba->hba_flag & HBA_FCOE_MODE) && |
7134 | (phba->hba_flag & LINK_DISABLED)) { | |
7135 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7136 | "3103 Adapter Link is disabled.\n"); | |
7137 | lpfc_down_link(phba, mboxq); | |
7138 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
7139 | if (rc != MBX_SUCCESS) { | |
7140 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI, | |
7141 | "3104 Adapter failed to issue " | |
7142 | "DOWN_LINK mbox cmd, rc:x%x\n", rc); | |
7143 | goto out_unset_queue; | |
7144 | } | |
7145 | } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) { | |
1b51197d JS |
7146 | /* don't perform init_link on SLI4 FC port loopback test */ |
7147 | if (!(phba->link_flag & LS_LOOPBACK_MODE)) { | |
7148 | rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT); | |
7149 | if (rc) | |
7150 | goto out_unset_queue; | |
7151 | } | |
5350d872 JS |
7152 | } |
7153 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7154 | return rc; | |
76a95d75 | 7155 | out_unset_queue: |
da0436e9 | 7156 | /* Unset all the queues set up in this routine when error out */ |
5350d872 JS |
7157 | lpfc_sli4_queue_unset(phba); |
7158 | out_destroy_queue: | |
6c621a22 | 7159 | lpfc_free_iocb_list(phba); |
5350d872 | 7160 | lpfc_sli4_queue_destroy(phba); |
da0436e9 | 7161 | out_stop_timers: |
5350d872 | 7162 | lpfc_stop_hba_timers(phba); |
da0436e9 JS |
7163 | out_free_mbox: |
7164 | mempool_free(mboxq, phba->mbox_mem_pool); | |
7165 | return rc; | |
7166 | } | |
7167 | ||
7168 | /** | |
7169 | * lpfc_mbox_timeout - Timeout call back function for mbox timer | |
7170 | * @ptr: context object - pointer to hba structure. | |
7171 | * | |
7172 | * This is the callback function for mailbox timer. The mailbox | |
7173 | * timer is armed when a new mailbox command is issued and the timer | |
7174 | * is deleted when the mailbox complete. The function is called by | |
7175 | * the kernel timer code when a mailbox does not complete within | |
7176 | * expected time. This function wakes up the worker thread to | |
7177 | * process the mailbox timeout and returns. All the processing is | |
7178 | * done by the worker thread function lpfc_mbox_timeout_handler. | |
7179 | **/ | |
7180 | void | |
f22eb4d3 | 7181 | lpfc_mbox_timeout(struct timer_list *t) |
da0436e9 | 7182 | { |
f22eb4d3 | 7183 | struct lpfc_hba *phba = from_timer(phba, t, sli.mbox_tmo); |
da0436e9 JS |
7184 | unsigned long iflag; |
7185 | uint32_t tmo_posted; | |
7186 | ||
7187 | spin_lock_irqsave(&phba->pport->work_port_lock, iflag); | |
7188 | tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO; | |
7189 | if (!tmo_posted) | |
7190 | phba->pport->work_port_events |= WORKER_MBOX_TMO; | |
7191 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag); | |
7192 | ||
7193 | if (!tmo_posted) | |
7194 | lpfc_worker_wake_up(phba); | |
7195 | return; | |
7196 | } | |
7197 | ||
e8d3c3b1 JS |
7198 | /** |
7199 | * lpfc_sli4_mbox_completions_pending - check to see if any mailbox completions | |
7200 | * are pending | |
7201 | * @phba: Pointer to HBA context object. | |
7202 | * | |
7203 | * This function checks if any mailbox completions are present on the mailbox | |
7204 | * completion queue. | |
7205 | **/ | |
3bb11fc5 | 7206 | static bool |
e8d3c3b1 JS |
7207 | lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba) |
7208 | { | |
7209 | ||
7210 | uint32_t idx; | |
7211 | struct lpfc_queue *mcq; | |
7212 | struct lpfc_mcqe *mcqe; | |
7213 | bool pending_completions = false; | |
7214 | ||
7215 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7216 | return false; | |
7217 | ||
7218 | /* Check for completions on mailbox completion queue */ | |
7219 | ||
7220 | mcq = phba->sli4_hba.mbx_cq; | |
7221 | idx = mcq->hba_index; | |
7222 | while (bf_get_le32(lpfc_cqe_valid, mcq->qe[idx].cqe)) { | |
7223 | mcqe = (struct lpfc_mcqe *)mcq->qe[idx].cqe; | |
7224 | if (bf_get_le32(lpfc_trailer_completed, mcqe) && | |
7225 | (!bf_get_le32(lpfc_trailer_async, mcqe))) { | |
7226 | pending_completions = true; | |
7227 | break; | |
7228 | } | |
7229 | idx = (idx + 1) % mcq->entry_count; | |
7230 | if (mcq->hba_index == idx) | |
7231 | break; | |
7232 | } | |
7233 | return pending_completions; | |
7234 | ||
7235 | } | |
7236 | ||
7237 | /** | |
7238 | * lpfc_sli4_process_missed_mbox_completions - process mbox completions | |
7239 | * that were missed. | |
7240 | * @phba: Pointer to HBA context object. | |
7241 | * | |
7242 | * For sli4, it is possible to miss an interrupt. As such mbox completions | |
7243 | * maybe missed causing erroneous mailbox timeouts to occur. This function | |
7244 | * checks to see if mbox completions are on the mailbox completion queue | |
7245 | * and will process all the completions associated with the eq for the | |
7246 | * mailbox completion queue. | |
7247 | **/ | |
7248 | bool | |
7249 | lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba) | |
7250 | { | |
7251 | ||
7252 | uint32_t eqidx; | |
7253 | struct lpfc_queue *fpeq = NULL; | |
7254 | struct lpfc_eqe *eqe; | |
7255 | bool mbox_pending; | |
7256 | ||
7257 | if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4)) | |
7258 | return false; | |
7259 | ||
7260 | /* Find the eq associated with the mcq */ | |
7261 | ||
7262 | if (phba->sli4_hba.hba_eq) | |
895427bd | 7263 | for (eqidx = 0; eqidx < phba->io_channel_irqs; eqidx++) |
e8d3c3b1 JS |
7264 | if (phba->sli4_hba.hba_eq[eqidx]->queue_id == |
7265 | phba->sli4_hba.mbx_cq->assoc_qid) { | |
7266 | fpeq = phba->sli4_hba.hba_eq[eqidx]; | |
7267 | break; | |
7268 | } | |
7269 | if (!fpeq) | |
7270 | return false; | |
7271 | ||
7272 | /* Turn off interrupts from this EQ */ | |
7273 | ||
7274 | lpfc_sli4_eq_clr_intr(fpeq); | |
7275 | ||
7276 | /* Check to see if a mbox completion is pending */ | |
7277 | ||
7278 | mbox_pending = lpfc_sli4_mbox_completions_pending(phba); | |
7279 | ||
7280 | /* | |
7281 | * If a mbox completion is pending, process all the events on EQ | |
7282 | * associated with the mbox completion queue (this could include | |
7283 | * mailbox commands, async events, els commands, receive queue data | |
7284 | * and fcp commands) | |
7285 | */ | |
7286 | ||
7287 | if (mbox_pending) | |
7288 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
7289 | lpfc_sli4_hba_handle_eqe(phba, eqe, eqidx); | |
7290 | fpeq->EQ_processed++; | |
7291 | } | |
7292 | ||
7293 | /* Always clear and re-arm the EQ */ | |
7294 | ||
7295 | lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_REARM); | |
7296 | ||
7297 | return mbox_pending; | |
7298 | ||
7299 | } | |
da0436e9 JS |
7300 | |
7301 | /** | |
7302 | * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout | |
7303 | * @phba: Pointer to HBA context object. | |
7304 | * | |
7305 | * This function is called from worker thread when a mailbox command times out. | |
7306 | * The caller is not required to hold any locks. This function will reset the | |
7307 | * HBA and recover all the pending commands. | |
7308 | **/ | |
7309 | void | |
7310 | lpfc_mbox_timeout_handler(struct lpfc_hba *phba) | |
7311 | { | |
7312 | LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active; | |
eb016566 JS |
7313 | MAILBOX_t *mb = NULL; |
7314 | ||
da0436e9 | 7315 | struct lpfc_sli *psli = &phba->sli; |
da0436e9 | 7316 | |
e8d3c3b1 JS |
7317 | /* If the mailbox completed, process the completion and return */ |
7318 | if (lpfc_sli4_process_missed_mbox_completions(phba)) | |
7319 | return; | |
7320 | ||
eb016566 JS |
7321 | if (pmbox != NULL) |
7322 | mb = &pmbox->u.mb; | |
da0436e9 JS |
7323 | /* Check the pmbox pointer first. There is a race condition |
7324 | * between the mbox timeout handler getting executed in the | |
7325 | * worklist and the mailbox actually completing. When this | |
7326 | * race condition occurs, the mbox_active will be NULL. | |
7327 | */ | |
7328 | spin_lock_irq(&phba->hbalock); | |
7329 | if (pmbox == NULL) { | |
7330 | lpfc_printf_log(phba, KERN_WARNING, | |
7331 | LOG_MBOX | LOG_SLI, | |
7332 | "0353 Active Mailbox cleared - mailbox timeout " | |
7333 | "exiting\n"); | |
7334 | spin_unlock_irq(&phba->hbalock); | |
7335 | return; | |
7336 | } | |
7337 | ||
7338 | /* Mbox cmd <mbxCommand> timeout */ | |
7339 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7340 | "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n", | |
7341 | mb->mbxCommand, | |
7342 | phba->pport->port_state, | |
7343 | phba->sli.sli_flag, | |
7344 | phba->sli.mbox_active); | |
7345 | spin_unlock_irq(&phba->hbalock); | |
7346 | ||
7347 | /* Setting state unknown so lpfc_sli_abort_iocb_ring | |
7348 | * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing | |
25985edc | 7349 | * it to fail all outstanding SCSI IO. |
da0436e9 JS |
7350 | */ |
7351 | spin_lock_irq(&phba->pport->work_port_lock); | |
7352 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
7353 | spin_unlock_irq(&phba->pport->work_port_lock); | |
7354 | spin_lock_irq(&phba->hbalock); | |
7355 | phba->link_state = LPFC_LINK_UNKNOWN; | |
f4b4c68f | 7356 | psli->sli_flag &= ~LPFC_SLI_ACTIVE; |
da0436e9 JS |
7357 | spin_unlock_irq(&phba->hbalock); |
7358 | ||
db55fba8 | 7359 | lpfc_sli_abort_fcp_rings(phba); |
da0436e9 JS |
7360 | |
7361 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
7362 | "0345 Resetting board due to mailbox timeout\n"); | |
7363 | ||
7364 | /* Reset the HBA device */ | |
7365 | lpfc_reset_hba(phba); | |
7366 | } | |
7367 | ||
7368 | /** | |
7369 | * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware | |
7370 | * @phba: Pointer to HBA context object. | |
7371 | * @pmbox: Pointer to mailbox object. | |
7372 | * @flag: Flag indicating how the mailbox need to be processed. | |
7373 | * | |
7374 | * This function is called by discovery code and HBA management code | |
7375 | * to submit a mailbox command to firmware with SLI-3 interface spec. This | |
7376 | * function gets the hbalock to protect the data structures. | |
7377 | * The mailbox command can be submitted in polling mode, in which case | |
7378 | * this function will wait in a polling loop for the completion of the | |
7379 | * mailbox. | |
7380 | * If the mailbox is submitted in no_wait mode (not polling) the | |
7381 | * function will submit the command and returns immediately without waiting | |
7382 | * for the mailbox completion. The no_wait is supported only when HBA | |
7383 | * is in SLI2/SLI3 mode - interrupts are enabled. | |
7384 | * The SLI interface allows only one mailbox pending at a time. If the | |
7385 | * mailbox is issued in polling mode and there is already a mailbox | |
7386 | * pending, then the function will return an error. If the mailbox is issued | |
7387 | * in NO_WAIT mode and there is a mailbox pending already, the function | |
7388 | * will return MBX_BUSY after queuing the mailbox into mailbox queue. | |
7389 | * The sli layer owns the mailbox object until the completion of mailbox | |
7390 | * command if this function return MBX_BUSY or MBX_SUCCESS. For all other | |
7391 | * return codes the caller owns the mailbox command after the return of | |
7392 | * the function. | |
e59058c4 | 7393 | **/ |
3772a991 JS |
7394 | static int |
7395 | lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, | |
7396 | uint32_t flag) | |
dea3101e | 7397 | { |
bf07bdea | 7398 | MAILBOX_t *mbx; |
2e0fef85 | 7399 | struct lpfc_sli *psli = &phba->sli; |
dea3101e | 7400 | uint32_t status, evtctr; |
9940b97b | 7401 | uint32_t ha_copy, hc_copy; |
dea3101e | 7402 | int i; |
09372820 | 7403 | unsigned long timeout; |
dea3101e | 7404 | unsigned long drvr_flag = 0; |
34b02dcd | 7405 | uint32_t word0, ldata; |
dea3101e | 7406 | void __iomem *to_slim; |
58da1ffb JS |
7407 | int processing_queue = 0; |
7408 | ||
7409 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
7410 | if (!pmbox) { | |
8568a4d2 | 7411 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
58da1ffb | 7412 | /* processing mbox queue from intr_handler */ |
3772a991 JS |
7413 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { |
7414 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7415 | return MBX_SUCCESS; | |
7416 | } | |
58da1ffb | 7417 | processing_queue = 1; |
58da1ffb JS |
7418 | pmbox = lpfc_mbox_get(phba); |
7419 | if (!pmbox) { | |
7420 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7421 | return MBX_SUCCESS; | |
7422 | } | |
7423 | } | |
dea3101e | 7424 | |
ed957684 | 7425 | if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl && |
92d7f7b0 | 7426 | pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) { |
ed957684 | 7427 | if(!pmbox->vport) { |
58da1ffb | 7428 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
ed957684 | 7429 | lpfc_printf_log(phba, KERN_ERR, |
92d7f7b0 | 7430 | LOG_MBOX | LOG_VPORT, |
e8b62011 | 7431 | "1806 Mbox x%x failed. No vport\n", |
3772a991 | 7432 | pmbox->u.mb.mbxCommand); |
ed957684 | 7433 | dump_stack(); |
58da1ffb | 7434 | goto out_not_finished; |
ed957684 JS |
7435 | } |
7436 | } | |
7437 | ||
8d63f375 | 7438 | /* If the PCI channel is in offline state, do not post mbox. */ |
58da1ffb JS |
7439 | if (unlikely(pci_channel_offline(phba->pcidev))) { |
7440 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7441 | goto out_not_finished; | |
7442 | } | |
8d63f375 | 7443 | |
a257bf90 JS |
7444 | /* If HBA has a deferred error attention, fail the iocb. */ |
7445 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
7446 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7447 | goto out_not_finished; | |
7448 | } | |
7449 | ||
dea3101e | 7450 | psli = &phba->sli; |
92d7f7b0 | 7451 | |
bf07bdea | 7452 | mbx = &pmbox->u.mb; |
dea3101e JB |
7453 | status = MBX_SUCCESS; |
7454 | ||
2e0fef85 JS |
7455 | if (phba->link_state == LPFC_HBA_ERROR) { |
7456 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
41415862 JW |
7457 | |
7458 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
7459 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7460 | "(%d):0311 Mailbox command x%x cannot " | |
7461 | "issue Data: x%x x%x\n", | |
7462 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7463 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
58da1ffb | 7464 | goto out_not_finished; |
41415862 JW |
7465 | } |
7466 | ||
bf07bdea | 7467 | if (mbx->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT) { |
9940b97b JS |
7468 | if (lpfc_readl(phba->HCregaddr, &hc_copy) || |
7469 | !(hc_copy & HC_MBINT_ENA)) { | |
7470 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); | |
7471 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
3772a991 JS |
7472 | "(%d):2528 Mailbox command x%x cannot " |
7473 | "issue Data: x%x x%x\n", | |
7474 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7475 | pmbox->u.mb.mbxCommand, psli->sli_flag, flag); | |
9940b97b JS |
7476 | goto out_not_finished; |
7477 | } | |
9290831f JS |
7478 | } |
7479 | ||
dea3101e JB |
7480 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { |
7481 | /* Polling for a mbox command when another one is already active | |
7482 | * is not allowed in SLI. Also, the driver must have established | |
7483 | * SLI2 mode to queue and process multiple mbox commands. | |
7484 | */ | |
7485 | ||
7486 | if (flag & MBX_POLL) { | |
2e0fef85 | 7487 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e JB |
7488 | |
7489 | /* Mbox command <mbxCommand> cannot issue */ | |
3772a991 JS |
7490 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7491 | "(%d):2529 Mailbox command x%x " | |
7492 | "cannot issue Data: x%x x%x\n", | |
7493 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7494 | pmbox->u.mb.mbxCommand, | |
7495 | psli->sli_flag, flag); | |
58da1ffb | 7496 | goto out_not_finished; |
dea3101e JB |
7497 | } |
7498 | ||
3772a991 | 7499 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE)) { |
2e0fef85 | 7500 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 7501 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
7502 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7503 | "(%d):2530 Mailbox command x%x " | |
7504 | "cannot issue Data: x%x x%x\n", | |
7505 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7506 | pmbox->u.mb.mbxCommand, | |
7507 | psli->sli_flag, flag); | |
58da1ffb | 7508 | goto out_not_finished; |
dea3101e JB |
7509 | } |
7510 | ||
dea3101e JB |
7511 | /* Another mailbox command is still being processed, queue this |
7512 | * command to be processed later. | |
7513 | */ | |
7514 | lpfc_mbox_put(phba, pmbox); | |
7515 | ||
7516 | /* Mbox cmd issue - BUSY */ | |
ed957684 | 7517 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 7518 | "(%d):0308 Mbox cmd issue - BUSY Data: " |
92d7f7b0 | 7519 | "x%x x%x x%x x%x\n", |
92d7f7b0 | 7520 | pmbox->vport ? pmbox->vport->vpi : 0xffffff, |
e92974f6 JS |
7521 | mbx->mbxCommand, |
7522 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 7523 | psli->sli_flag, flag); |
dea3101e JB |
7524 | |
7525 | psli->slistat.mbox_busy++; | |
2e0fef85 | 7526 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 7527 | |
858c9f6c JS |
7528 | if (pmbox->vport) { |
7529 | lpfc_debugfs_disc_trc(pmbox->vport, | |
7530 | LPFC_DISC_TRC_MBOX_VPORT, | |
7531 | "MBOX Bsy vport: 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 | else { | |
7536 | lpfc_debugfs_disc_trc(phba->pport, | |
7537 | LPFC_DISC_TRC_MBOX, | |
7538 | "MBOX Bsy: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
7539 | (uint32_t)mbx->mbxCommand, |
7540 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
7541 | } |
7542 | ||
2e0fef85 | 7543 | return MBX_BUSY; |
dea3101e JB |
7544 | } |
7545 | ||
dea3101e JB |
7546 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; |
7547 | ||
7548 | /* If we are not polling, we MUST be in SLI2 mode */ | |
7549 | if (flag != MBX_POLL) { | |
3772a991 | 7550 | if (!(psli->sli_flag & LPFC_SLI_ACTIVE) && |
bf07bdea | 7551 | (mbx->mbxCommand != MBX_KILL_BOARD)) { |
dea3101e | 7552 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 7553 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
dea3101e | 7554 | /* Mbox command <mbxCommand> cannot issue */ |
3772a991 JS |
7555 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, |
7556 | "(%d):2531 Mailbox command x%x " | |
7557 | "cannot issue Data: x%x x%x\n", | |
7558 | pmbox->vport ? pmbox->vport->vpi : 0, | |
7559 | pmbox->u.mb.mbxCommand, | |
7560 | psli->sli_flag, flag); | |
58da1ffb | 7561 | goto out_not_finished; |
dea3101e JB |
7562 | } |
7563 | /* timeout active mbox command */ | |
256ec0d0 JS |
7564 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
7565 | 1000); | |
7566 | mod_timer(&psli->mbox_tmo, jiffies + timeout); | |
dea3101e JB |
7567 | } |
7568 | ||
7569 | /* Mailbox cmd <cmd> issue */ | |
ed957684 | 7570 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, |
e8b62011 | 7571 | "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x " |
92d7f7b0 | 7572 | "x%x\n", |
e8b62011 | 7573 | pmbox->vport ? pmbox->vport->vpi : 0, |
e92974f6 JS |
7574 | mbx->mbxCommand, |
7575 | phba->pport ? phba->pport->port_state : 0xff, | |
92d7f7b0 | 7576 | psli->sli_flag, flag); |
dea3101e | 7577 | |
bf07bdea | 7578 | if (mbx->mbxCommand != MBX_HEARTBEAT) { |
858c9f6c JS |
7579 | if (pmbox->vport) { |
7580 | lpfc_debugfs_disc_trc(pmbox->vport, | |
7581 | LPFC_DISC_TRC_MBOX_VPORT, | |
7582 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
7583 | (uint32_t)mbx->mbxCommand, |
7584 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
7585 | } |
7586 | else { | |
7587 | lpfc_debugfs_disc_trc(phba->pport, | |
7588 | LPFC_DISC_TRC_MBOX, | |
7589 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
bf07bdea RD |
7590 | (uint32_t)mbx->mbxCommand, |
7591 | mbx->un.varWords[0], mbx->un.varWords[1]); | |
858c9f6c JS |
7592 | } |
7593 | } | |
7594 | ||
dea3101e JB |
7595 | psli->slistat.mbox_cmd++; |
7596 | evtctr = psli->slistat.mbox_event; | |
7597 | ||
7598 | /* next set own bit for the adapter and copy over command word */ | |
bf07bdea | 7599 | mbx->mbxOwner = OWN_CHIP; |
dea3101e | 7600 | |
3772a991 | 7601 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
7a470277 JS |
7602 | /* Populate mbox extension offset word. */ |
7603 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) { | |
bf07bdea | 7604 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
7605 | = (uint8_t *)phba->mbox_ext |
7606 | - (uint8_t *)phba->mbox; | |
7607 | } | |
7608 | ||
7609 | /* Copy the mailbox extension data */ | |
7610 | if (pmbox->in_ext_byte_len && pmbox->context2) { | |
7611 | lpfc_sli_pcimem_bcopy(pmbox->context2, | |
7612 | (uint8_t *)phba->mbox_ext, | |
7613 | pmbox->in_ext_byte_len); | |
7614 | } | |
7615 | /* Copy command data to host SLIM area */ | |
bf07bdea | 7616 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, MAILBOX_CMD_SIZE); |
dea3101e | 7617 | } else { |
7a470277 JS |
7618 | /* Populate mbox extension offset word. */ |
7619 | if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) | |
bf07bdea | 7620 | *(((uint32_t *)mbx) + pmbox->mbox_offset_word) |
7a470277 JS |
7621 | = MAILBOX_HBA_EXT_OFFSET; |
7622 | ||
7623 | /* Copy the mailbox extension data */ | |
895427bd | 7624 | if (pmbox->in_ext_byte_len && pmbox->context2) |
7a470277 JS |
7625 | lpfc_memcpy_to_slim(phba->MBslimaddr + |
7626 | MAILBOX_HBA_EXT_OFFSET, | |
7627 | pmbox->context2, pmbox->in_ext_byte_len); | |
7628 | ||
895427bd | 7629 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 7630 | /* copy command data into host mbox for cmpl */ |
895427bd JS |
7631 | lpfc_sli_pcimem_bcopy(mbx, phba->mbox, |
7632 | MAILBOX_CMD_SIZE); | |
dea3101e JB |
7633 | |
7634 | /* First copy mbox command data to HBA SLIM, skip past first | |
7635 | word */ | |
7636 | to_slim = phba->MBslimaddr + sizeof (uint32_t); | |
bf07bdea | 7637 | lpfc_memcpy_to_slim(to_slim, &mbx->un.varWords[0], |
dea3101e JB |
7638 | MAILBOX_CMD_SIZE - sizeof (uint32_t)); |
7639 | ||
7640 | /* Next copy over first word, with mbxOwner set */ | |
bf07bdea | 7641 | ldata = *((uint32_t *)mbx); |
dea3101e JB |
7642 | to_slim = phba->MBslimaddr; |
7643 | writel(ldata, to_slim); | |
7644 | readl(to_slim); /* flush */ | |
7645 | ||
895427bd | 7646 | if (mbx->mbxCommand == MBX_CONFIG_PORT) |
dea3101e | 7647 | /* switch over to host mailbox */ |
3772a991 | 7648 | psli->sli_flag |= LPFC_SLI_ACTIVE; |
dea3101e JB |
7649 | } |
7650 | ||
7651 | wmb(); | |
dea3101e JB |
7652 | |
7653 | switch (flag) { | |
7654 | case MBX_NOWAIT: | |
09372820 | 7655 | /* Set up reference to mailbox command */ |
dea3101e | 7656 | psli->mbox_active = pmbox; |
09372820 JS |
7657 | /* Interrupt board to do it */ |
7658 | writel(CA_MBATT, phba->CAregaddr); | |
7659 | readl(phba->CAregaddr); /* flush */ | |
7660 | /* Don't wait for it to finish, just return */ | |
dea3101e JB |
7661 | break; |
7662 | ||
7663 | case MBX_POLL: | |
09372820 | 7664 | /* Set up null reference to mailbox command */ |
dea3101e | 7665 | psli->mbox_active = NULL; |
09372820 JS |
7666 | /* Interrupt board to do it */ |
7667 | writel(CA_MBATT, phba->CAregaddr); | |
7668 | readl(phba->CAregaddr); /* flush */ | |
7669 | ||
3772a991 | 7670 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 7671 | /* First read mbox status word */ |
34b02dcd | 7672 | word0 = *((uint32_t *)phba->mbox); |
dea3101e JB |
7673 | word0 = le32_to_cpu(word0); |
7674 | } else { | |
7675 | /* First read mbox status word */ | |
9940b97b JS |
7676 | if (lpfc_readl(phba->MBslimaddr, &word0)) { |
7677 | spin_unlock_irqrestore(&phba->hbalock, | |
7678 | drvr_flag); | |
7679 | goto out_not_finished; | |
7680 | } | |
dea3101e JB |
7681 | } |
7682 | ||
7683 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
7684 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
7685 | spin_unlock_irqrestore(&phba->hbalock, | |
7686 | drvr_flag); | |
7687 | goto out_not_finished; | |
7688 | } | |
a183a15f JS |
7689 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) * |
7690 | 1000) + jiffies; | |
09372820 | 7691 | i = 0; |
dea3101e | 7692 | /* Wait for command to complete */ |
41415862 JW |
7693 | while (((word0 & OWN_CHIP) == OWN_CHIP) || |
7694 | (!(ha_copy & HA_MBATT) && | |
2e0fef85 | 7695 | (phba->link_state > LPFC_WARM_START))) { |
09372820 | 7696 | if (time_after(jiffies, timeout)) { |
dea3101e | 7697 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; |
2e0fef85 | 7698 | spin_unlock_irqrestore(&phba->hbalock, |
dea3101e | 7699 | drvr_flag); |
58da1ffb | 7700 | goto out_not_finished; |
dea3101e JB |
7701 | } |
7702 | ||
7703 | /* Check if we took a mbox interrupt while we were | |
7704 | polling */ | |
7705 | if (((word0 & OWN_CHIP) != OWN_CHIP) | |
7706 | && (evtctr != psli->slistat.mbox_event)) | |
7707 | break; | |
7708 | ||
09372820 JS |
7709 | if (i++ > 10) { |
7710 | spin_unlock_irqrestore(&phba->hbalock, | |
7711 | drvr_flag); | |
7712 | msleep(1); | |
7713 | spin_lock_irqsave(&phba->hbalock, drvr_flag); | |
7714 | } | |
dea3101e | 7715 | |
3772a991 | 7716 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 7717 | /* First copy command data */ |
34b02dcd | 7718 | word0 = *((uint32_t *)phba->mbox); |
dea3101e | 7719 | word0 = le32_to_cpu(word0); |
bf07bdea | 7720 | if (mbx->mbxCommand == MBX_CONFIG_PORT) { |
dea3101e | 7721 | MAILBOX_t *slimmb; |
34b02dcd | 7722 | uint32_t slimword0; |
dea3101e JB |
7723 | /* Check real SLIM for any errors */ |
7724 | slimword0 = readl(phba->MBslimaddr); | |
7725 | slimmb = (MAILBOX_t *) & slimword0; | |
7726 | if (((slimword0 & OWN_CHIP) != OWN_CHIP) | |
7727 | && slimmb->mbxStatus) { | |
7728 | psli->sli_flag &= | |
3772a991 | 7729 | ~LPFC_SLI_ACTIVE; |
dea3101e JB |
7730 | word0 = slimword0; |
7731 | } | |
7732 | } | |
7733 | } else { | |
7734 | /* First copy command data */ | |
7735 | word0 = readl(phba->MBslimaddr); | |
7736 | } | |
7737 | /* Read the HBA Host Attention Register */ | |
9940b97b JS |
7738 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) { |
7739 | spin_unlock_irqrestore(&phba->hbalock, | |
7740 | drvr_flag); | |
7741 | goto out_not_finished; | |
7742 | } | |
dea3101e JB |
7743 | } |
7744 | ||
3772a991 | 7745 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
dea3101e | 7746 | /* copy results back to user */ |
2ea259ee JS |
7747 | lpfc_sli_pcimem_bcopy(phba->mbox, mbx, |
7748 | MAILBOX_CMD_SIZE); | |
7a470277 JS |
7749 | /* Copy the mailbox extension data */ |
7750 | if (pmbox->out_ext_byte_len && pmbox->context2) { | |
7751 | lpfc_sli_pcimem_bcopy(phba->mbox_ext, | |
7752 | pmbox->context2, | |
7753 | pmbox->out_ext_byte_len); | |
7754 | } | |
dea3101e JB |
7755 | } else { |
7756 | /* First copy command data */ | |
bf07bdea | 7757 | lpfc_memcpy_from_slim(mbx, phba->MBslimaddr, |
2ea259ee | 7758 | MAILBOX_CMD_SIZE); |
7a470277 JS |
7759 | /* Copy the mailbox extension data */ |
7760 | if (pmbox->out_ext_byte_len && pmbox->context2) { | |
7761 | lpfc_memcpy_from_slim(pmbox->context2, | |
7762 | phba->MBslimaddr + | |
7763 | MAILBOX_HBA_EXT_OFFSET, | |
7764 | pmbox->out_ext_byte_len); | |
dea3101e JB |
7765 | } |
7766 | } | |
7767 | ||
7768 | writel(HA_MBATT, phba->HAregaddr); | |
7769 | readl(phba->HAregaddr); /* flush */ | |
7770 | ||
7771 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
bf07bdea | 7772 | status = mbx->mbxStatus; |
dea3101e JB |
7773 | } |
7774 | ||
2e0fef85 JS |
7775 | spin_unlock_irqrestore(&phba->hbalock, drvr_flag); |
7776 | return status; | |
58da1ffb JS |
7777 | |
7778 | out_not_finished: | |
7779 | if (processing_queue) { | |
da0436e9 | 7780 | pmbox->u.mb.mbxStatus = MBX_NOT_FINISHED; |
58da1ffb JS |
7781 | lpfc_mbox_cmpl_put(phba, pmbox); |
7782 | } | |
7783 | return MBX_NOT_FINISHED; | |
dea3101e JB |
7784 | } |
7785 | ||
f1126688 JS |
7786 | /** |
7787 | * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command | |
7788 | * @phba: Pointer to HBA context object. | |
7789 | * | |
7790 | * The function blocks the posting of SLI4 asynchronous mailbox commands from | |
7791 | * the driver internal pending mailbox queue. It will then try to wait out the | |
7792 | * possible outstanding mailbox command before return. | |
7793 | * | |
7794 | * Returns: | |
7795 | * 0 - the outstanding mailbox command completed; otherwise, the wait for | |
7796 | * the outstanding mailbox command timed out. | |
7797 | **/ | |
7798 | static int | |
7799 | lpfc_sli4_async_mbox_block(struct lpfc_hba *phba) | |
7800 | { | |
7801 | struct lpfc_sli *psli = &phba->sli; | |
f1126688 | 7802 | int rc = 0; |
a183a15f | 7803 | unsigned long timeout = 0; |
f1126688 JS |
7804 | |
7805 | /* Mark the asynchronous mailbox command posting as blocked */ | |
7806 | spin_lock_irq(&phba->hbalock); | |
7807 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
f1126688 JS |
7808 | /* Determine how long we might wait for the active mailbox |
7809 | * command to be gracefully completed by firmware. | |
7810 | */ | |
a183a15f JS |
7811 | if (phba->sli.mbox_active) |
7812 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
7813 | phba->sli.mbox_active) * | |
7814 | 1000) + jiffies; | |
7815 | spin_unlock_irq(&phba->hbalock); | |
7816 | ||
e8d3c3b1 JS |
7817 | /* Make sure the mailbox is really active */ |
7818 | if (timeout) | |
7819 | lpfc_sli4_process_missed_mbox_completions(phba); | |
7820 | ||
f1126688 JS |
7821 | /* Wait for the outstnading mailbox command to complete */ |
7822 | while (phba->sli.mbox_active) { | |
7823 | /* Check active mailbox complete status every 2ms */ | |
7824 | msleep(2); | |
7825 | if (time_after(jiffies, timeout)) { | |
7826 | /* Timeout, marked the outstanding cmd not complete */ | |
7827 | rc = 1; | |
7828 | break; | |
7829 | } | |
7830 | } | |
7831 | ||
7832 | /* Can not cleanly block async mailbox command, fails it */ | |
7833 | if (rc) { | |
7834 | spin_lock_irq(&phba->hbalock); | |
7835 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7836 | spin_unlock_irq(&phba->hbalock); | |
7837 | } | |
7838 | return rc; | |
7839 | } | |
7840 | ||
7841 | /** | |
7842 | * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command | |
7843 | * @phba: Pointer to HBA context object. | |
7844 | * | |
7845 | * The function unblocks and resume posting of SLI4 asynchronous mailbox | |
7846 | * commands from the driver internal pending mailbox queue. It makes sure | |
7847 | * that there is no outstanding mailbox command before resuming posting | |
7848 | * asynchronous mailbox commands. If, for any reason, there is outstanding | |
7849 | * mailbox command, it will try to wait it out before resuming asynchronous | |
7850 | * mailbox command posting. | |
7851 | **/ | |
7852 | static void | |
7853 | lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba) | |
7854 | { | |
7855 | struct lpfc_sli *psli = &phba->sli; | |
7856 | ||
7857 | spin_lock_irq(&phba->hbalock); | |
7858 | if (!(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
7859 | /* Asynchronous mailbox posting is not blocked, do nothing */ | |
7860 | spin_unlock_irq(&phba->hbalock); | |
7861 | return; | |
7862 | } | |
7863 | ||
7864 | /* Outstanding synchronous mailbox command is guaranteed to be done, | |
7865 | * successful or timeout, after timing-out the outstanding mailbox | |
7866 | * command shall always be removed, so just unblock posting async | |
7867 | * mailbox command and resume | |
7868 | */ | |
7869 | psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK; | |
7870 | spin_unlock_irq(&phba->hbalock); | |
7871 | ||
7872 | /* wake up worker thread to post asynchronlous mailbox command */ | |
7873 | lpfc_worker_wake_up(phba); | |
7874 | } | |
7875 | ||
2d843edc JS |
7876 | /** |
7877 | * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready | |
7878 | * @phba: Pointer to HBA context object. | |
7879 | * @mboxq: Pointer to mailbox object. | |
7880 | * | |
7881 | * The function waits for the bootstrap mailbox register ready bit from | |
7882 | * port for twice the regular mailbox command timeout value. | |
7883 | * | |
7884 | * 0 - no timeout on waiting for bootstrap mailbox register ready. | |
7885 | * MBXERR_ERROR - wait for bootstrap mailbox register timed out. | |
7886 | **/ | |
7887 | static int | |
7888 | lpfc_sli4_wait_bmbx_ready(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
7889 | { | |
7890 | uint32_t db_ready; | |
7891 | unsigned long timeout; | |
7892 | struct lpfc_register bmbx_reg; | |
7893 | ||
7894 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq) | |
7895 | * 1000) + jiffies; | |
7896 | ||
7897 | do { | |
7898 | bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr); | |
7899 | db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg); | |
7900 | if (!db_ready) | |
7901 | msleep(2); | |
7902 | ||
7903 | if (time_after(jiffies, timeout)) | |
7904 | return MBXERR_ERROR; | |
7905 | } while (!db_ready); | |
7906 | ||
7907 | return 0; | |
7908 | } | |
7909 | ||
da0436e9 JS |
7910 | /** |
7911 | * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox | |
7912 | * @phba: Pointer to HBA context object. | |
7913 | * @mboxq: Pointer to mailbox object. | |
7914 | * | |
7915 | * The function posts a mailbox to the port. The mailbox is expected | |
7916 | * to be comletely filled in and ready for the port to operate on it. | |
7917 | * This routine executes a synchronous completion operation on the | |
7918 | * mailbox by polling for its completion. | |
7919 | * | |
7920 | * The caller must not be holding any locks when calling this routine. | |
7921 | * | |
7922 | * Returns: | |
7923 | * MBX_SUCCESS - mailbox posted successfully | |
7924 | * Any of the MBX error values. | |
7925 | **/ | |
7926 | static int | |
7927 | lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
7928 | { | |
7929 | int rc = MBX_SUCCESS; | |
7930 | unsigned long iflag; | |
da0436e9 JS |
7931 | uint32_t mcqe_status; |
7932 | uint32_t mbx_cmnd; | |
da0436e9 JS |
7933 | struct lpfc_sli *psli = &phba->sli; |
7934 | struct lpfc_mqe *mb = &mboxq->u.mqe; | |
7935 | struct lpfc_bmbx_create *mbox_rgn; | |
7936 | struct dma_address *dma_address; | |
da0436e9 JS |
7937 | |
7938 | /* | |
7939 | * Only one mailbox can be active to the bootstrap mailbox region | |
7940 | * at a time and there is no queueing provided. | |
7941 | */ | |
7942 | spin_lock_irqsave(&phba->hbalock, iflag); | |
7943 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
7944 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
7945 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 7946 | "(%d):2532 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
7947 | "cannot issue Data: x%x x%x\n", |
7948 | mboxq->vport ? mboxq->vport->vpi : 0, | |
7949 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
7950 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
7951 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
7952 | psli->sli_flag, MBX_POLL); |
7953 | return MBXERR_ERROR; | |
7954 | } | |
7955 | /* The server grabs the token and owns it until release */ | |
7956 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
7957 | phba->sli.mbox_active = mboxq; | |
7958 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
7959 | ||
2d843edc JS |
7960 | /* wait for bootstrap mbox register for readyness */ |
7961 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
7962 | if (rc) | |
7963 | goto exit; | |
7964 | ||
da0436e9 JS |
7965 | /* |
7966 | * Initialize the bootstrap memory region to avoid stale data areas | |
7967 | * in the mailbox post. Then copy the caller's mailbox contents to | |
7968 | * the bmbx mailbox region. | |
7969 | */ | |
7970 | mbx_cmnd = bf_get(lpfc_mqe_command, mb); | |
7971 | memset(phba->sli4_hba.bmbx.avirt, 0, sizeof(struct lpfc_bmbx_create)); | |
7972 | lpfc_sli_pcimem_bcopy(mb, phba->sli4_hba.bmbx.avirt, | |
7973 | sizeof(struct lpfc_mqe)); | |
7974 | ||
7975 | /* Post the high mailbox dma address to the port and wait for ready. */ | |
7976 | dma_address = &phba->sli4_hba.bmbx.dma_address; | |
7977 | writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr); | |
7978 | ||
2d843edc JS |
7979 | /* wait for bootstrap mbox register for hi-address write done */ |
7980 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
7981 | if (rc) | |
7982 | goto exit; | |
da0436e9 JS |
7983 | |
7984 | /* Post the low mailbox dma address to the port. */ | |
7985 | writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr); | |
da0436e9 | 7986 | |
2d843edc JS |
7987 | /* wait for bootstrap mbox register for low address write done */ |
7988 | rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq); | |
7989 | if (rc) | |
7990 | goto exit; | |
da0436e9 JS |
7991 | |
7992 | /* | |
7993 | * Read the CQ to ensure the mailbox has completed. | |
7994 | * If so, update the mailbox status so that the upper layers | |
7995 | * can complete the request normally. | |
7996 | */ | |
7997 | lpfc_sli_pcimem_bcopy(phba->sli4_hba.bmbx.avirt, mb, | |
7998 | sizeof(struct lpfc_mqe)); | |
7999 | mbox_rgn = (struct lpfc_bmbx_create *) phba->sli4_hba.bmbx.avirt; | |
8000 | lpfc_sli_pcimem_bcopy(&mbox_rgn->mcqe, &mboxq->mcqe, | |
8001 | sizeof(struct lpfc_mcqe)); | |
8002 | mcqe_status = bf_get(lpfc_mcqe_status, &mbox_rgn->mcqe); | |
0558056c JS |
8003 | /* |
8004 | * When the CQE status indicates a failure and the mailbox status | |
8005 | * indicates success then copy the CQE status into the mailbox status | |
8006 | * (and prefix it with x4000). | |
8007 | */ | |
da0436e9 | 8008 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { |
0558056c JS |
8009 | if (bf_get(lpfc_mqe_status, mb) == MBX_SUCCESS) |
8010 | bf_set(lpfc_mqe_status, mb, | |
8011 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
da0436e9 | 8012 | rc = MBXERR_ERROR; |
d7c47992 JS |
8013 | } else |
8014 | lpfc_sli4_swap_str(phba, mboxq); | |
da0436e9 JS |
8015 | |
8016 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8017 | "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x " |
da0436e9 JS |
8018 | "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x" |
8019 | " x%x x%x CQ: x%x x%x x%x x%x\n", | |
a183a15f JS |
8020 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, |
8021 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), | |
8022 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8023 | bf_get(lpfc_mqe_status, mb), |
8024 | mb->un.mb_words[0], mb->un.mb_words[1], | |
8025 | mb->un.mb_words[2], mb->un.mb_words[3], | |
8026 | mb->un.mb_words[4], mb->un.mb_words[5], | |
8027 | mb->un.mb_words[6], mb->un.mb_words[7], | |
8028 | mb->un.mb_words[8], mb->un.mb_words[9], | |
8029 | mb->un.mb_words[10], mb->un.mb_words[11], | |
8030 | mb->un.mb_words[12], mboxq->mcqe.word0, | |
8031 | mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1, | |
8032 | mboxq->mcqe.trailer); | |
8033 | exit: | |
8034 | /* We are holding the token, no needed for lock when release */ | |
8035 | spin_lock_irqsave(&phba->hbalock, iflag); | |
8036 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8037 | phba->sli.mbox_active = NULL; | |
8038 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
8039 | return rc; | |
8040 | } | |
8041 | ||
8042 | /** | |
8043 | * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware | |
8044 | * @phba: Pointer to HBA context object. | |
8045 | * @pmbox: Pointer to mailbox object. | |
8046 | * @flag: Flag indicating how the mailbox need to be processed. | |
8047 | * | |
8048 | * This function is called by discovery code and HBA management code to submit | |
8049 | * a mailbox command to firmware with SLI-4 interface spec. | |
8050 | * | |
8051 | * Return codes the caller owns the mailbox command after the return of the | |
8052 | * function. | |
8053 | **/ | |
8054 | static int | |
8055 | lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq, | |
8056 | uint32_t flag) | |
8057 | { | |
8058 | struct lpfc_sli *psli = &phba->sli; | |
8059 | unsigned long iflags; | |
8060 | int rc; | |
8061 | ||
b76f2dc9 JS |
8062 | /* dump from issue mailbox command if setup */ |
8063 | lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb); | |
8064 | ||
8fa38513 JS |
8065 | rc = lpfc_mbox_dev_check(phba); |
8066 | if (unlikely(rc)) { | |
8067 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8068 | "(%d):2544 Mailbox command x%x (x%x/x%x) " |
8fa38513 JS |
8069 | "cannot issue Data: x%x x%x\n", |
8070 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8071 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8072 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8073 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
8fa38513 JS |
8074 | psli->sli_flag, flag); |
8075 | goto out_not_finished; | |
8076 | } | |
8077 | ||
da0436e9 JS |
8078 | /* Detect polling mode and jump to a handler */ |
8079 | if (!phba->sli4_hba.intr_enable) { | |
8080 | if (flag == MBX_POLL) | |
8081 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8082 | else | |
8083 | rc = -EIO; | |
8084 | if (rc != MBX_SUCCESS) | |
0558056c | 8085 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
da0436e9 | 8086 | "(%d):2541 Mailbox command x%x " |
cc459f19 JS |
8087 | "(x%x/x%x) failure: " |
8088 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8089 | "Data: x%x x%x\n,", | |
da0436e9 JS |
8090 | mboxq->vport ? mboxq->vport->vpi : 0, |
8091 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8092 | lpfc_sli_config_mbox_subsys_get(phba, |
8093 | mboxq), | |
8094 | lpfc_sli_config_mbox_opcode_get(phba, | |
8095 | mboxq), | |
cc459f19 JS |
8096 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8097 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8098 | bf_get(lpfc_mcqe_ext_status, | |
8099 | &mboxq->mcqe), | |
da0436e9 JS |
8100 | psli->sli_flag, flag); |
8101 | return rc; | |
8102 | } else if (flag == MBX_POLL) { | |
f1126688 JS |
8103 | lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI, |
8104 | "(%d):2542 Try to issue mailbox command " | |
a183a15f | 8105 | "x%x (x%x/x%x) synchronously ahead of async" |
f1126688 | 8106 | "mailbox command queue: x%x x%x\n", |
da0436e9 JS |
8107 | mboxq->vport ? mboxq->vport->vpi : 0, |
8108 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8109 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8110 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 | 8111 | psli->sli_flag, flag); |
f1126688 JS |
8112 | /* Try to block the asynchronous mailbox posting */ |
8113 | rc = lpfc_sli4_async_mbox_block(phba); | |
8114 | if (!rc) { | |
8115 | /* Successfully blocked, now issue sync mbox cmd */ | |
8116 | rc = lpfc_sli4_post_sync_mbox(phba, mboxq); | |
8117 | if (rc != MBX_SUCCESS) | |
cc459f19 | 8118 | lpfc_printf_log(phba, KERN_WARNING, |
a183a15f | 8119 | LOG_MBOX | LOG_SLI, |
cc459f19 JS |
8120 | "(%d):2597 Sync Mailbox command " |
8121 | "x%x (x%x/x%x) failure: " | |
8122 | "mqe_sta: x%x mcqe_sta: x%x/x%x " | |
8123 | "Data: x%x x%x\n,", | |
8124 | mboxq->vport ? mboxq->vport->vpi : 0, | |
a183a15f JS |
8125 | mboxq->u.mb.mbxCommand, |
8126 | lpfc_sli_config_mbox_subsys_get(phba, | |
8127 | mboxq), | |
8128 | lpfc_sli_config_mbox_opcode_get(phba, | |
8129 | mboxq), | |
cc459f19 JS |
8130 | bf_get(lpfc_mqe_status, &mboxq->u.mqe), |
8131 | bf_get(lpfc_mcqe_status, &mboxq->mcqe), | |
8132 | bf_get(lpfc_mcqe_ext_status, | |
8133 | &mboxq->mcqe), | |
a183a15f | 8134 | psli->sli_flag, flag); |
f1126688 JS |
8135 | /* Unblock the async mailbox posting afterward */ |
8136 | lpfc_sli4_async_mbox_unblock(phba); | |
8137 | } | |
8138 | return rc; | |
da0436e9 JS |
8139 | } |
8140 | ||
8141 | /* Now, interrupt mode asynchrous mailbox command */ | |
8142 | rc = lpfc_mbox_cmd_check(phba, mboxq); | |
8143 | if (rc) { | |
8144 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8145 | "(%d):2543 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8146 | "cannot issue Data: x%x x%x\n", |
8147 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8148 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8149 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8150 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8151 | psli->sli_flag, flag); |
8152 | goto out_not_finished; | |
8153 | } | |
da0436e9 JS |
8154 | |
8155 | /* Put the mailbox command to the driver internal FIFO */ | |
8156 | psli->slistat.mbox_busy++; | |
8157 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8158 | lpfc_mbox_put(phba, mboxq); | |
8159 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8160 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
8161 | "(%d):0354 Mbox cmd issue - Enqueue Data: " | |
a183a15f | 8162 | "x%x (x%x/x%x) x%x x%x x%x\n", |
da0436e9 JS |
8163 | mboxq->vport ? mboxq->vport->vpi : 0xffffff, |
8164 | bf_get(lpfc_mqe_command, &mboxq->u.mqe), | |
a183a15f JS |
8165 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8166 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8167 | phba->pport->port_state, |
8168 | psli->sli_flag, MBX_NOWAIT); | |
8169 | /* Wake up worker thread to transport mailbox command from head */ | |
8170 | lpfc_worker_wake_up(phba); | |
8171 | ||
8172 | return MBX_BUSY; | |
8173 | ||
8174 | out_not_finished: | |
8175 | return MBX_NOT_FINISHED; | |
8176 | } | |
8177 | ||
8178 | /** | |
8179 | * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device | |
8180 | * @phba: Pointer to HBA context object. | |
8181 | * | |
8182 | * This function is called by worker thread to send a mailbox command to | |
8183 | * SLI4 HBA firmware. | |
8184 | * | |
8185 | **/ | |
8186 | int | |
8187 | lpfc_sli4_post_async_mbox(struct lpfc_hba *phba) | |
8188 | { | |
8189 | struct lpfc_sli *psli = &phba->sli; | |
8190 | LPFC_MBOXQ_t *mboxq; | |
8191 | int rc = MBX_SUCCESS; | |
8192 | unsigned long iflags; | |
8193 | struct lpfc_mqe *mqe; | |
8194 | uint32_t mbx_cmnd; | |
8195 | ||
8196 | /* Check interrupt mode before post async mailbox command */ | |
8197 | if (unlikely(!phba->sli4_hba.intr_enable)) | |
8198 | return MBX_NOT_FINISHED; | |
8199 | ||
8200 | /* Check for mailbox command service token */ | |
8201 | spin_lock_irqsave(&phba->hbalock, iflags); | |
8202 | if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) { | |
8203 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8204 | return MBX_NOT_FINISHED; | |
8205 | } | |
8206 | if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) { | |
8207 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8208 | return MBX_NOT_FINISHED; | |
8209 | } | |
8210 | if (unlikely(phba->sli.mbox_active)) { | |
8211 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8212 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
8213 | "0384 There is pending active mailbox cmd\n"); | |
8214 | return MBX_NOT_FINISHED; | |
8215 | } | |
8216 | /* Take the mailbox command service token */ | |
8217 | psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; | |
8218 | ||
8219 | /* Get the next mailbox command from head of queue */ | |
8220 | mboxq = lpfc_mbox_get(phba); | |
8221 | ||
8222 | /* If no more mailbox command waiting for post, we're done */ | |
8223 | if (!mboxq) { | |
8224 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8225 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8226 | return MBX_SUCCESS; | |
8227 | } | |
8228 | phba->sli.mbox_active = mboxq; | |
8229 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
8230 | ||
8231 | /* Check device readiness for posting mailbox command */ | |
8232 | rc = lpfc_mbox_dev_check(phba); | |
8233 | if (unlikely(rc)) | |
8234 | /* Driver clean routine will clean up pending mailbox */ | |
8235 | goto out_not_finished; | |
8236 | ||
8237 | /* Prepare the mbox command to be posted */ | |
8238 | mqe = &mboxq->u.mqe; | |
8239 | mbx_cmnd = bf_get(lpfc_mqe_command, mqe); | |
8240 | ||
8241 | /* Start timer for the mbox_tmo and log some mailbox post messages */ | |
8242 | mod_timer(&psli->mbox_tmo, (jiffies + | |
256ec0d0 | 8243 | msecs_to_jiffies(1000 * lpfc_mbox_tmo_val(phba, mboxq)))); |
da0436e9 JS |
8244 | |
8245 | lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI, | |
a183a15f | 8246 | "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: " |
da0436e9 JS |
8247 | "x%x x%x\n", |
8248 | mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd, | |
a183a15f JS |
8249 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8250 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8251 | phba->pport->port_state, psli->sli_flag); |
8252 | ||
8253 | if (mbx_cmnd != MBX_HEARTBEAT) { | |
8254 | if (mboxq->vport) { | |
8255 | lpfc_debugfs_disc_trc(mboxq->vport, | |
8256 | LPFC_DISC_TRC_MBOX_VPORT, | |
8257 | "MBOX Send vport: cmd:x%x mb:x%x x%x", | |
8258 | mbx_cmnd, mqe->un.mb_words[0], | |
8259 | mqe->un.mb_words[1]); | |
8260 | } else { | |
8261 | lpfc_debugfs_disc_trc(phba->pport, | |
8262 | LPFC_DISC_TRC_MBOX, | |
8263 | "MBOX Send: cmd:x%x mb:x%x x%x", | |
8264 | mbx_cmnd, mqe->un.mb_words[0], | |
8265 | mqe->un.mb_words[1]); | |
8266 | } | |
8267 | } | |
8268 | psli->slistat.mbox_cmd++; | |
8269 | ||
8270 | /* Post the mailbox command to the port */ | |
8271 | rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe); | |
8272 | if (rc != MBX_SUCCESS) { | |
8273 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, | |
a183a15f | 8274 | "(%d):2533 Mailbox command x%x (x%x/x%x) " |
da0436e9 JS |
8275 | "cannot issue Data: x%x x%x\n", |
8276 | mboxq->vport ? mboxq->vport->vpi : 0, | |
8277 | mboxq->u.mb.mbxCommand, | |
a183a15f JS |
8278 | lpfc_sli_config_mbox_subsys_get(phba, mboxq), |
8279 | lpfc_sli_config_mbox_opcode_get(phba, mboxq), | |
da0436e9 JS |
8280 | psli->sli_flag, MBX_NOWAIT); |
8281 | goto out_not_finished; | |
8282 | } | |
8283 | ||
8284 | return rc; | |
8285 | ||
8286 | out_not_finished: | |
8287 | spin_lock_irqsave(&phba->hbalock, iflags); | |
d7069f09 JS |
8288 | if (phba->sli.mbox_active) { |
8289 | mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
8290 | __lpfc_mbox_cmpl_put(phba, mboxq); | |
8291 | /* Release the token */ | |
8292 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
8293 | phba->sli.mbox_active = NULL; | |
8294 | } | |
da0436e9 JS |
8295 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
8296 | ||
8297 | return MBX_NOT_FINISHED; | |
8298 | } | |
8299 | ||
8300 | /** | |
8301 | * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command | |
8302 | * @phba: Pointer to HBA context object. | |
8303 | * @pmbox: Pointer to mailbox object. | |
8304 | * @flag: Flag indicating how the mailbox need to be processed. | |
8305 | * | |
8306 | * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from | |
8307 | * the API jump table function pointer from the lpfc_hba struct. | |
8308 | * | |
8309 | * Return codes the caller owns the mailbox command after the return of the | |
8310 | * function. | |
8311 | **/ | |
8312 | int | |
8313 | lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) | |
8314 | { | |
8315 | return phba->lpfc_sli_issue_mbox(phba, pmbox, flag); | |
8316 | } | |
8317 | ||
8318 | /** | |
25985edc | 8319 | * lpfc_mbox_api_table_setup - Set up mbox api function jump table |
da0436e9 JS |
8320 | * @phba: The hba struct for which this call is being executed. |
8321 | * @dev_grp: The HBA PCI-Device group number. | |
8322 | * | |
8323 | * This routine sets up the mbox interface API function jump table in @phba | |
8324 | * struct. | |
8325 | * Returns: 0 - success, -ENODEV - failure. | |
8326 | **/ | |
8327 | int | |
8328 | lpfc_mbox_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
8329 | { | |
8330 | ||
8331 | switch (dev_grp) { | |
8332 | case LPFC_PCI_DEV_LP: | |
8333 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s3; | |
8334 | phba->lpfc_sli_handle_slow_ring_event = | |
8335 | lpfc_sli_handle_slow_ring_event_s3; | |
8336 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s3; | |
8337 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s3; | |
8338 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s3; | |
8339 | break; | |
8340 | case LPFC_PCI_DEV_OC: | |
8341 | phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s4; | |
8342 | phba->lpfc_sli_handle_slow_ring_event = | |
8343 | lpfc_sli_handle_slow_ring_event_s4; | |
8344 | phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s4; | |
8345 | phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s4; | |
8346 | phba->lpfc_sli_brdready = lpfc_sli_brdready_s4; | |
8347 | break; | |
8348 | default: | |
8349 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
8350 | "1420 Invalid HBA PCI-device group: 0x%x\n", | |
8351 | dev_grp); | |
8352 | return -ENODEV; | |
8353 | break; | |
8354 | } | |
8355 | return 0; | |
8356 | } | |
8357 | ||
e59058c4 | 8358 | /** |
3621a710 | 8359 | * __lpfc_sli_ringtx_put - Add an iocb to the txq |
e59058c4 JS |
8360 | * @phba: Pointer to HBA context object. |
8361 | * @pring: Pointer to driver SLI ring object. | |
8362 | * @piocb: Pointer to address of newly added command iocb. | |
8363 | * | |
8364 | * This function is called with hbalock held to add a command | |
8365 | * iocb to the txq when SLI layer cannot submit the command iocb | |
8366 | * to the ring. | |
8367 | **/ | |
2a9bf3d0 | 8368 | void |
92d7f7b0 | 8369 | __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
2e0fef85 | 8370 | struct lpfc_iocbq *piocb) |
dea3101e | 8371 | { |
1c2ba475 | 8372 | lockdep_assert_held(&phba->hbalock); |
dea3101e JB |
8373 | /* Insert the caller's iocb in the txq tail for later processing. */ |
8374 | list_add_tail(&piocb->list, &pring->txq); | |
dea3101e JB |
8375 | } |
8376 | ||
e59058c4 | 8377 | /** |
3621a710 | 8378 | * lpfc_sli_next_iocb - Get the next iocb in the txq |
e59058c4 JS |
8379 | * @phba: Pointer to HBA context object. |
8380 | * @pring: Pointer to driver SLI ring object. | |
8381 | * @piocb: Pointer to address of newly added command iocb. | |
8382 | * | |
8383 | * This function is called with hbalock held before a new | |
8384 | * iocb is submitted to the firmware. This function checks | |
8385 | * txq to flush the iocbs in txq to Firmware before | |
8386 | * submitting new iocbs to the Firmware. | |
8387 | * If there are iocbs in the txq which need to be submitted | |
8388 | * to firmware, lpfc_sli_next_iocb returns the first element | |
8389 | * of the txq after dequeuing it from txq. | |
8390 | * If there is no iocb in the txq then the function will return | |
8391 | * *piocb and *piocb is set to NULL. Caller needs to check | |
8392 | * *piocb to find if there are more commands in the txq. | |
8393 | **/ | |
dea3101e JB |
8394 | static struct lpfc_iocbq * |
8395 | lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 8396 | struct lpfc_iocbq **piocb) |
dea3101e JB |
8397 | { |
8398 | struct lpfc_iocbq * nextiocb; | |
8399 | ||
1c2ba475 JT |
8400 | lockdep_assert_held(&phba->hbalock); |
8401 | ||
dea3101e JB |
8402 | nextiocb = lpfc_sli_ringtx_get(phba, pring); |
8403 | if (!nextiocb) { | |
8404 | nextiocb = *piocb; | |
8405 | *piocb = NULL; | |
8406 | } | |
8407 | ||
8408 | return nextiocb; | |
8409 | } | |
8410 | ||
e59058c4 | 8411 | /** |
3772a991 | 8412 | * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb |
e59058c4 | 8413 | * @phba: Pointer to HBA context object. |
3772a991 | 8414 | * @ring_number: SLI ring number to issue iocb on. |
e59058c4 JS |
8415 | * @piocb: Pointer to command iocb. |
8416 | * @flag: Flag indicating if this command can be put into txq. | |
8417 | * | |
3772a991 JS |
8418 | * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue |
8419 | * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is | |
8420 | * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT | |
8421 | * flag is turned on, the function returns IOCB_ERROR. When the link is down, | |
8422 | * this function allows only iocbs for posting buffers. This function finds | |
8423 | * next available slot in the command ring and posts the command to the | |
8424 | * available slot and writes the port attention register to request HBA start | |
8425 | * processing new iocb. If there is no slot available in the ring and | |
8426 | * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise | |
8427 | * the function returns IOCB_BUSY. | |
e59058c4 | 8428 | * |
3772a991 JS |
8429 | * This function is called with hbalock held. The function will return success |
8430 | * after it successfully submit the iocb to firmware or after adding to the | |
8431 | * txq. | |
e59058c4 | 8432 | **/ |
98c9ea5c | 8433 | static int |
3772a991 | 8434 | __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number, |
dea3101e JB |
8435 | struct lpfc_iocbq *piocb, uint32_t flag) |
8436 | { | |
8437 | struct lpfc_iocbq *nextiocb; | |
8438 | IOCB_t *iocb; | |
895427bd | 8439 | struct lpfc_sli_ring *pring = &phba->sli.sli3_ring[ring_number]; |
dea3101e | 8440 | |
1c2ba475 JT |
8441 | lockdep_assert_held(&phba->hbalock); |
8442 | ||
92d7f7b0 JS |
8443 | if (piocb->iocb_cmpl && (!piocb->vport) && |
8444 | (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) && | |
8445 | (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) { | |
8446 | lpfc_printf_log(phba, KERN_ERR, | |
8447 | LOG_SLI | LOG_VPORT, | |
e8b62011 | 8448 | "1807 IOCB x%x failed. No vport\n", |
92d7f7b0 JS |
8449 | piocb->iocb.ulpCommand); |
8450 | dump_stack(); | |
8451 | return IOCB_ERROR; | |
8452 | } | |
8453 | ||
8454 | ||
8d63f375 LV |
8455 | /* If the PCI channel is in offline state, do not post iocbs. */ |
8456 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
8457 | return IOCB_ERROR; | |
8458 | ||
a257bf90 JS |
8459 | /* If HBA has a deferred error attention, fail the iocb. */ |
8460 | if (unlikely(phba->hba_flag & DEFER_ERATT)) | |
8461 | return IOCB_ERROR; | |
8462 | ||
dea3101e JB |
8463 | /* |
8464 | * We should never get an IOCB if we are in a < LINK_DOWN state | |
8465 | */ | |
2e0fef85 | 8466 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) |
dea3101e JB |
8467 | return IOCB_ERROR; |
8468 | ||
8469 | /* | |
8470 | * Check to see if we are blocking IOCB processing because of a | |
0b727fea | 8471 | * outstanding event. |
dea3101e | 8472 | */ |
0b727fea | 8473 | if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) |
dea3101e JB |
8474 | goto iocb_busy; |
8475 | ||
2e0fef85 | 8476 | if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { |
dea3101e | 8477 | /* |
2680eeaa | 8478 | * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF |
dea3101e JB |
8479 | * can be issued if the link is not up. |
8480 | */ | |
8481 | switch (piocb->iocb.ulpCommand) { | |
84774a4d JS |
8482 | case CMD_GEN_REQUEST64_CR: |
8483 | case CMD_GEN_REQUEST64_CX: | |
8484 | if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) || | |
8485 | (piocb->iocb.un.genreq64.w5.hcsw.Rctl != | |
6a9c52cf | 8486 | FC_RCTL_DD_UNSOL_CMD) || |
84774a4d JS |
8487 | (piocb->iocb.un.genreq64.w5.hcsw.Type != |
8488 | MENLO_TRANSPORT_TYPE)) | |
8489 | ||
8490 | goto iocb_busy; | |
8491 | break; | |
dea3101e JB |
8492 | case CMD_QUE_RING_BUF_CN: |
8493 | case CMD_QUE_RING_BUF64_CN: | |
dea3101e JB |
8494 | /* |
8495 | * For IOCBs, like QUE_RING_BUF, that have no rsp ring | |
8496 | * completion, iocb_cmpl MUST be 0. | |
8497 | */ | |
8498 | if (piocb->iocb_cmpl) | |
8499 | piocb->iocb_cmpl = NULL; | |
8500 | /*FALLTHROUGH*/ | |
8501 | case CMD_CREATE_XRI_CR: | |
2680eeaa JS |
8502 | case CMD_CLOSE_XRI_CN: |
8503 | case CMD_CLOSE_XRI_CX: | |
dea3101e JB |
8504 | break; |
8505 | default: | |
8506 | goto iocb_busy; | |
8507 | } | |
8508 | ||
8509 | /* | |
8510 | * For FCP commands, we must be in a state where we can process link | |
8511 | * attention events. | |
8512 | */ | |
895427bd | 8513 | } else if (unlikely(pring->ringno == LPFC_FCP_RING && |
92d7f7b0 | 8514 | !(phba->sli.sli_flag & LPFC_PROCESS_LA))) { |
dea3101e | 8515 | goto iocb_busy; |
92d7f7b0 | 8516 | } |
dea3101e | 8517 | |
dea3101e JB |
8518 | while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && |
8519 | (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb))) | |
8520 | lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb); | |
8521 | ||
8522 | if (iocb) | |
8523 | lpfc_sli_update_ring(phba, pring); | |
8524 | else | |
8525 | lpfc_sli_update_full_ring(phba, pring); | |
8526 | ||
8527 | if (!piocb) | |
8528 | return IOCB_SUCCESS; | |
8529 | ||
8530 | goto out_busy; | |
8531 | ||
8532 | iocb_busy: | |
8533 | pring->stats.iocb_cmd_delay++; | |
8534 | ||
8535 | out_busy: | |
8536 | ||
8537 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
92d7f7b0 | 8538 | __lpfc_sli_ringtx_put(phba, pring, piocb); |
dea3101e JB |
8539 | return IOCB_SUCCESS; |
8540 | } | |
8541 | ||
8542 | return IOCB_BUSY; | |
8543 | } | |
8544 | ||
3772a991 | 8545 | /** |
4f774513 JS |
8546 | * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl. |
8547 | * @phba: Pointer to HBA context object. | |
8548 | * @piocb: Pointer to command iocb. | |
8549 | * @sglq: Pointer to the scatter gather queue object. | |
8550 | * | |
8551 | * This routine converts the bpl or bde that is in the IOCB | |
8552 | * to a sgl list for the sli4 hardware. The physical address | |
8553 | * of the bpl/bde is converted back to a virtual address. | |
8554 | * If the IOCB contains a BPL then the list of BDE's is | |
8555 | * converted to sli4_sge's. If the IOCB contains a single | |
8556 | * BDE then it is converted to a single sli_sge. | |
8557 | * The IOCB is still in cpu endianess so the contents of | |
8558 | * the bpl can be used without byte swapping. | |
8559 | * | |
8560 | * Returns valid XRI = Success, NO_XRI = Failure. | |
8561 | **/ | |
8562 | static uint16_t | |
8563 | lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, | |
8564 | struct lpfc_sglq *sglq) | |
3772a991 | 8565 | { |
4f774513 JS |
8566 | uint16_t xritag = NO_XRI; |
8567 | struct ulp_bde64 *bpl = NULL; | |
8568 | struct ulp_bde64 bde; | |
8569 | struct sli4_sge *sgl = NULL; | |
1b51197d | 8570 | struct lpfc_dmabuf *dmabuf; |
4f774513 JS |
8571 | IOCB_t *icmd; |
8572 | int numBdes = 0; | |
8573 | int i = 0; | |
63e801ce JS |
8574 | uint32_t offset = 0; /* accumulated offset in the sg request list */ |
8575 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
3772a991 | 8576 | |
4f774513 JS |
8577 | if (!piocbq || !sglq) |
8578 | return xritag; | |
8579 | ||
8580 | sgl = (struct sli4_sge *)sglq->sgl; | |
8581 | icmd = &piocbq->iocb; | |
6b5151fd JS |
8582 | if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) |
8583 | return sglq->sli4_xritag; | |
4f774513 JS |
8584 | if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { |
8585 | numBdes = icmd->un.genreq64.bdl.bdeSize / | |
8586 | sizeof(struct ulp_bde64); | |
8587 | /* The addrHigh and addrLow fields within the IOCB | |
8588 | * have not been byteswapped yet so there is no | |
8589 | * need to swap them back. | |
8590 | */ | |
1b51197d JS |
8591 | if (piocbq->context3) |
8592 | dmabuf = (struct lpfc_dmabuf *)piocbq->context3; | |
8593 | else | |
8594 | return xritag; | |
4f774513 | 8595 | |
1b51197d | 8596 | bpl = (struct ulp_bde64 *)dmabuf->virt; |
4f774513 JS |
8597 | if (!bpl) |
8598 | return xritag; | |
8599 | ||
8600 | for (i = 0; i < numBdes; i++) { | |
8601 | /* Should already be byte swapped. */ | |
28baac74 JS |
8602 | sgl->addr_hi = bpl->addrHigh; |
8603 | sgl->addr_lo = bpl->addrLow; | |
8604 | ||
0558056c | 8605 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
8606 | if ((i+1) == numBdes) |
8607 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
8608 | else | |
8609 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
28baac74 JS |
8610 | /* swap the size field back to the cpu so we |
8611 | * can assign it to the sgl. | |
8612 | */ | |
8613 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
8614 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
63e801ce JS |
8615 | /* The offsets in the sgl need to be accumulated |
8616 | * separately for the request and reply lists. | |
8617 | * The request is always first, the reply follows. | |
8618 | */ | |
8619 | if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) { | |
8620 | /* add up the reply sg entries */ | |
8621 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
8622 | inbound++; | |
8623 | /* first inbound? reset the offset */ | |
8624 | if (inbound == 1) | |
8625 | offset = 0; | |
8626 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
f9bb2da1 JS |
8627 | bf_set(lpfc_sli4_sge_type, sgl, |
8628 | LPFC_SGE_TYPE_DATA); | |
63e801ce JS |
8629 | offset += bde.tus.f.bdeSize; |
8630 | } | |
546fc854 | 8631 | sgl->word2 = cpu_to_le32(sgl->word2); |
4f774513 JS |
8632 | bpl++; |
8633 | sgl++; | |
8634 | } | |
8635 | } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) { | |
8636 | /* The addrHigh and addrLow fields of the BDE have not | |
8637 | * been byteswapped yet so they need to be swapped | |
8638 | * before putting them in the sgl. | |
8639 | */ | |
8640 | sgl->addr_hi = | |
8641 | cpu_to_le32(icmd->un.genreq64.bdl.addrHigh); | |
8642 | sgl->addr_lo = | |
8643 | cpu_to_le32(icmd->un.genreq64.bdl.addrLow); | |
0558056c | 8644 | sgl->word2 = le32_to_cpu(sgl->word2); |
4f774513 JS |
8645 | bf_set(lpfc_sli4_sge_last, sgl, 1); |
8646 | sgl->word2 = cpu_to_le32(sgl->word2); | |
28baac74 JS |
8647 | sgl->sge_len = |
8648 | cpu_to_le32(icmd->un.genreq64.bdl.bdeSize); | |
4f774513 JS |
8649 | } |
8650 | return sglq->sli4_xritag; | |
3772a991 | 8651 | } |
92d7f7b0 | 8652 | |
e59058c4 | 8653 | /** |
4f774513 | 8654 | * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry. |
e59058c4 | 8655 | * @phba: Pointer to HBA context object. |
4f774513 JS |
8656 | * @piocb: Pointer to command iocb. |
8657 | * @wqe: Pointer to the work queue entry. | |
e59058c4 | 8658 | * |
4f774513 JS |
8659 | * This routine converts the iocb command to its Work Queue Entry |
8660 | * equivalent. The wqe pointer should not have any fields set when | |
8661 | * this routine is called because it will memcpy over them. | |
8662 | * This routine does not set the CQ_ID or the WQEC bits in the | |
8663 | * wqe. | |
e59058c4 | 8664 | * |
4f774513 | 8665 | * Returns: 0 = Success, IOCB_ERROR = Failure. |
e59058c4 | 8666 | **/ |
cf5bf97e | 8667 | static int |
4f774513 JS |
8668 | lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, |
8669 | union lpfc_wqe *wqe) | |
cf5bf97e | 8670 | { |
5ffc266e | 8671 | uint32_t xmit_len = 0, total_len = 0; |
4f774513 JS |
8672 | uint8_t ct = 0; |
8673 | uint32_t fip; | |
8674 | uint32_t abort_tag; | |
8675 | uint8_t command_type = ELS_COMMAND_NON_FIP; | |
8676 | uint8_t cmnd; | |
8677 | uint16_t xritag; | |
dcf2a4e0 JS |
8678 | uint16_t abrt_iotag; |
8679 | struct lpfc_iocbq *abrtiocbq; | |
4f774513 | 8680 | struct ulp_bde64 *bpl = NULL; |
f0d9bccc | 8681 | uint32_t els_id = LPFC_ELS_ID_DEFAULT; |
5ffc266e JS |
8682 | int numBdes, i; |
8683 | struct ulp_bde64 bde; | |
c31098ce | 8684 | struct lpfc_nodelist *ndlp; |
ff78d8f9 | 8685 | uint32_t *pcmd; |
1b51197d | 8686 | uint32_t if_type; |
4f774513 | 8687 | |
45ed1190 | 8688 | fip = phba->hba_flag & HBA_FIP_SUPPORT; |
4f774513 | 8689 | /* The fcp commands will set command type */ |
0c287589 | 8690 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
4f774513 | 8691 | command_type = FCP_COMMAND; |
c868595d | 8692 | else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)) |
0c287589 JS |
8693 | command_type = ELS_COMMAND_FIP; |
8694 | else | |
8695 | command_type = ELS_COMMAND_NON_FIP; | |
8696 | ||
b5c53958 JS |
8697 | if (phba->fcp_embed_io) |
8698 | memset(wqe, 0, sizeof(union lpfc_wqe128)); | |
4f774513 JS |
8699 | /* Some of the fields are in the right position already */ |
8700 | memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); | |
ae9e28f3 JS |
8701 | if (iocbq->iocb.ulpCommand != CMD_SEND_FRAME) { |
8702 | /* The ct field has moved so reset */ | |
8703 | wqe->generic.wqe_com.word7 = 0; | |
8704 | wqe->generic.wqe_com.word10 = 0; | |
8705 | } | |
b5c53958 JS |
8706 | |
8707 | abort_tag = (uint32_t) iocbq->iotag; | |
8708 | xritag = iocbq->sli4_xritag; | |
4f774513 JS |
8709 | /* words0-2 bpl convert bde */ |
8710 | if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { | |
5ffc266e JS |
8711 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / |
8712 | sizeof(struct ulp_bde64); | |
4f774513 JS |
8713 | bpl = (struct ulp_bde64 *) |
8714 | ((struct lpfc_dmabuf *)iocbq->context3)->virt; | |
8715 | if (!bpl) | |
8716 | return IOCB_ERROR; | |
cf5bf97e | 8717 | |
4f774513 JS |
8718 | /* Should already be byte swapped. */ |
8719 | wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh); | |
8720 | wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow); | |
8721 | /* swap the size field back to the cpu so we | |
8722 | * can assign it to the sgl. | |
8723 | */ | |
8724 | wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w); | |
5ffc266e JS |
8725 | xmit_len = wqe->generic.bde.tus.f.bdeSize; |
8726 | total_len = 0; | |
8727 | for (i = 0; i < numBdes; i++) { | |
8728 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
8729 | total_len += bde.tus.f.bdeSize; | |
8730 | } | |
4f774513 | 8731 | } else |
5ffc266e | 8732 | xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize; |
cf5bf97e | 8733 | |
4f774513 JS |
8734 | iocbq->iocb.ulpIoTag = iocbq->iotag; |
8735 | cmnd = iocbq->iocb.ulpCommand; | |
a4bc3379 | 8736 | |
4f774513 JS |
8737 | switch (iocbq->iocb.ulpCommand) { |
8738 | case CMD_ELS_REQUEST64_CR: | |
93d1379e JS |
8739 | if (iocbq->iocb_flag & LPFC_IO_LIBDFC) |
8740 | ndlp = iocbq->context_un.ndlp; | |
8741 | else | |
8742 | ndlp = (struct lpfc_nodelist *)iocbq->context1; | |
4f774513 JS |
8743 | if (!iocbq->iocb.ulpLe) { |
8744 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
8745 | "2007 Only Limited Edition cmd Format" | |
8746 | " supported 0x%x\n", | |
8747 | iocbq->iocb.ulpCommand); | |
8748 | return IOCB_ERROR; | |
8749 | } | |
ff78d8f9 | 8750 | |
5ffc266e | 8751 | wqe->els_req.payload_len = xmit_len; |
4f774513 JS |
8752 | /* Els_reguest64 has a TMO */ |
8753 | bf_set(wqe_tmo, &wqe->els_req.wqe_com, | |
8754 | iocbq->iocb.ulpTimeout); | |
8755 | /* Need a VF for word 4 set the vf bit*/ | |
8756 | bf_set(els_req64_vf, &wqe->els_req, 0); | |
8757 | /* And a VFID for word 12 */ | |
8758 | bf_set(els_req64_vfid, &wqe->els_req, 0); | |
4f774513 | 8759 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); |
f0d9bccc JS |
8760 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, |
8761 | iocbq->iocb.ulpContext); | |
8762 | bf_set(wqe_ct, &wqe->els_req.wqe_com, ct); | |
8763 | bf_set(wqe_pu, &wqe->els_req.wqe_com, 0); | |
4f774513 | 8764 | /* CCP CCPE PV PRI in word10 were set in the memcpy */ |
ff78d8f9 | 8765 | if (command_type == ELS_COMMAND_FIP) |
c868595d JS |
8766 | els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK) |
8767 | >> LPFC_FIP_ELS_ID_SHIFT); | |
ff78d8f9 JS |
8768 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
8769 | iocbq->context2)->virt); | |
1b51197d JS |
8770 | if_type = bf_get(lpfc_sli_intf_if_type, |
8771 | &phba->sli4_hba.sli_intf); | |
8772 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
ff78d8f9 | 8773 | if (pcmd && (*pcmd == ELS_CMD_FLOGI || |
cb69f7de | 8774 | *pcmd == ELS_CMD_SCR || |
6b5151fd | 8775 | *pcmd == ELS_CMD_FDISC || |
bdcd2b92 | 8776 | *pcmd == ELS_CMD_LOGO || |
ff78d8f9 JS |
8777 | *pcmd == ELS_CMD_PLOGI)) { |
8778 | bf_set(els_req64_sp, &wqe->els_req, 1); | |
8779 | bf_set(els_req64_sid, &wqe->els_req, | |
8780 | iocbq->vport->fc_myDID); | |
939723a4 JS |
8781 | if ((*pcmd == ELS_CMD_FLOGI) && |
8782 | !(phba->fc_topology == | |
8783 | LPFC_TOPOLOGY_LOOP)) | |
8784 | bf_set(els_req64_sid, &wqe->els_req, 0); | |
ff78d8f9 JS |
8785 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); |
8786 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
a7dd9c0f | 8787 | phba->vpi_ids[iocbq->vport->vpi]); |
3ef6d24c | 8788 | } else if (pcmd && iocbq->context1) { |
ff78d8f9 JS |
8789 | bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); |
8790 | bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, | |
8791 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
8792 | } | |
c868595d | 8793 | } |
6d368e53 JS |
8794 | bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com, |
8795 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
f0d9bccc JS |
8796 | bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id); |
8797 | bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1); | |
8798 | bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ); | |
8799 | bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1); | |
8800 | bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
8801 | bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0); | |
af22741c | 8802 | wqe->els_req.max_response_payload_len = total_len - xmit_len; |
7851fe2c | 8803 | break; |
5ffc266e | 8804 | case CMD_XMIT_SEQUENCE64_CX: |
f0d9bccc JS |
8805 | bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com, |
8806 | iocbq->iocb.un.ulpWord[3]); | |
8807 | bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com, | |
7851fe2c | 8808 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
5ffc266e JS |
8809 | /* The entire sequence is transmitted for this IOCB */ |
8810 | xmit_len = total_len; | |
8811 | cmnd = CMD_XMIT_SEQUENCE64_CR; | |
1b51197d JS |
8812 | if (phba->link_flag & LS_LOOPBACK_MODE) |
8813 | bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1); | |
4f774513 | 8814 | case CMD_XMIT_SEQUENCE64_CR: |
f0d9bccc JS |
8815 | /* word3 iocb=io_tag32 wqe=reserved */ |
8816 | wqe->xmit_sequence.rsvd3 = 0; | |
4f774513 JS |
8817 | /* word4 relative_offset memcpy */ |
8818 | /* word5 r_ctl/df_ctl memcpy */ | |
f0d9bccc JS |
8819 | bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0); |
8820 | bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1); | |
8821 | bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com, | |
8822 | LPFC_WQE_IOD_WRITE); | |
8823 | bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com, | |
8824 | LPFC_WQE_LENLOC_WORD12); | |
8825 | bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0); | |
5ffc266e JS |
8826 | wqe->xmit_sequence.xmit_len = xmit_len; |
8827 | command_type = OTHER_COMMAND; | |
7851fe2c | 8828 | break; |
4f774513 | 8829 | case CMD_XMIT_BCAST64_CN: |
f0d9bccc JS |
8830 | /* word3 iocb=iotag32 wqe=seq_payload_len */ |
8831 | wqe->xmit_bcast64.seq_payload_len = xmit_len; | |
4f774513 JS |
8832 | /* word4 iocb=rsvd wqe=rsvd */ |
8833 | /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */ | |
8834 | /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */ | |
f0d9bccc | 8835 | bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com, |
4f774513 | 8836 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
f0d9bccc JS |
8837 | bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1); |
8838 | bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE); | |
8839 | bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com, | |
8840 | LPFC_WQE_LENLOC_WORD3); | |
8841 | bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0); | |
7851fe2c | 8842 | break; |
4f774513 JS |
8843 | case CMD_FCP_IWRITE64_CR: |
8844 | command_type = FCP_COMMAND_DATA_OUT; | |
f0d9bccc JS |
8845 | /* word3 iocb=iotag wqe=payload_offset_len */ |
8846 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
8847 | bf_set(payload_offset_len, &wqe->fcp_iwrite, |
8848 | xmit_len + sizeof(struct fcp_rsp)); | |
8849 | bf_set(cmd_buff_len, &wqe->fcp_iwrite, | |
8850 | 0); | |
f0d9bccc JS |
8851 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
8852 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
8853 | bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com, | |
8854 | iocbq->iocb.ulpFCP2Rcvy); | |
8855 | bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); | |
8856 | /* Always open the exchange */ | |
f0d9bccc JS |
8857 | bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); |
8858 | bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, | |
8859 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 8860 | bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 8861 | bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); |
1ba981fd JS |
8862 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
8863 | bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1); | |
c92c841c JS |
8864 | bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1); |
8865 | if (iocbq->priority) { | |
8866 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, | |
8867 | (iocbq->priority << 1)); | |
8868 | } else { | |
1ba981fd JS |
8869 | bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com, |
8870 | (phba->cfg_XLanePriority << 1)); | |
8871 | } | |
8872 | } | |
b5c53958 JS |
8873 | /* Note, word 10 is already initialized to 0 */ |
8874 | ||
8875 | if (phba->fcp_embed_io) { | |
8876 | struct lpfc_scsi_buf *lpfc_cmd; | |
8877 | struct sli4_sge *sgl; | |
8878 | union lpfc_wqe128 *wqe128; | |
8879 | struct fcp_cmnd *fcp_cmnd; | |
8880 | uint32_t *ptr; | |
8881 | ||
8882 | /* 128 byte wqe support here */ | |
8883 | wqe128 = (union lpfc_wqe128 *)wqe; | |
8884 | ||
8885 | lpfc_cmd = iocbq->context1; | |
8886 | sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; | |
8887 | fcp_cmnd = lpfc_cmd->fcp_cmnd; | |
8888 | ||
8889 | /* Word 0-2 - FCP_CMND */ | |
8890 | wqe128->generic.bde.tus.f.bdeFlags = | |
8891 | BUFF_TYPE_BDE_IMMED; | |
8892 | wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len; | |
8893 | wqe128->generic.bde.addrHigh = 0; | |
8894 | wqe128->generic.bde.addrLow = 88; /* Word 22 */ | |
8895 | ||
8896 | bf_set(wqe_wqes, &wqe128->fcp_iwrite.wqe_com, 1); | |
8897 | ||
8898 | /* Word 22-29 FCP CMND Payload */ | |
8899 | ptr = &wqe128->words[22]; | |
8900 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); | |
8901 | } | |
7851fe2c | 8902 | break; |
4f774513 | 8903 | case CMD_FCP_IREAD64_CR: |
f0d9bccc JS |
8904 | /* word3 iocb=iotag wqe=payload_offset_len */ |
8905 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
0ba4b219 JS |
8906 | bf_set(payload_offset_len, &wqe->fcp_iread, |
8907 | xmit_len + sizeof(struct fcp_rsp)); | |
8908 | bf_set(cmd_buff_len, &wqe->fcp_iread, | |
8909 | 0); | |
f0d9bccc JS |
8910 | /* word4 iocb=parameter wqe=total_xfer_length memcpy */ |
8911 | /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */ | |
8912 | bf_set(wqe_erp, &wqe->fcp_iread.wqe_com, | |
8913 | iocbq->iocb.ulpFCP2Rcvy); | |
8914 | bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); | |
f1126688 | 8915 | /* Always open the exchange */ |
f0d9bccc JS |
8916 | bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); |
8917 | bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, | |
8918 | LPFC_WQE_LENLOC_WORD4); | |
f0d9bccc | 8919 | bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); |
acd6859b | 8920 | bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); |
1ba981fd JS |
8921 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
8922 | bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1); | |
c92c841c JS |
8923 | bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1); |
8924 | if (iocbq->priority) { | |
8925 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, | |
8926 | (iocbq->priority << 1)); | |
8927 | } else { | |
1ba981fd JS |
8928 | bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com, |
8929 | (phba->cfg_XLanePriority << 1)); | |
8930 | } | |
8931 | } | |
b5c53958 JS |
8932 | /* Note, word 10 is already initialized to 0 */ |
8933 | ||
8934 | if (phba->fcp_embed_io) { | |
8935 | struct lpfc_scsi_buf *lpfc_cmd; | |
8936 | struct sli4_sge *sgl; | |
8937 | union lpfc_wqe128 *wqe128; | |
8938 | struct fcp_cmnd *fcp_cmnd; | |
8939 | uint32_t *ptr; | |
8940 | ||
8941 | /* 128 byte wqe support here */ | |
8942 | wqe128 = (union lpfc_wqe128 *)wqe; | |
8943 | ||
8944 | lpfc_cmd = iocbq->context1; | |
8945 | sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; | |
8946 | fcp_cmnd = lpfc_cmd->fcp_cmnd; | |
8947 | ||
8948 | /* Word 0-2 - FCP_CMND */ | |
8949 | wqe128->generic.bde.tus.f.bdeFlags = | |
8950 | BUFF_TYPE_BDE_IMMED; | |
8951 | wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len; | |
8952 | wqe128->generic.bde.addrHigh = 0; | |
8953 | wqe128->generic.bde.addrLow = 88; /* Word 22 */ | |
8954 | ||
8955 | bf_set(wqe_wqes, &wqe128->fcp_iread.wqe_com, 1); | |
8956 | ||
8957 | /* Word 22-29 FCP CMND Payload */ | |
8958 | ptr = &wqe128->words[22]; | |
8959 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); | |
8960 | } | |
7851fe2c | 8961 | break; |
4f774513 | 8962 | case CMD_FCP_ICMND64_CR: |
0ba4b219 JS |
8963 | /* word3 iocb=iotag wqe=payload_offset_len */ |
8964 | /* Add the FCP_CMD and FCP_RSP sizes to get the offset */ | |
8965 | bf_set(payload_offset_len, &wqe->fcp_icmd, | |
8966 | xmit_len + sizeof(struct fcp_rsp)); | |
8967 | bf_set(cmd_buff_len, &wqe->fcp_icmd, | |
8968 | 0); | |
f0d9bccc | 8969 | /* word3 iocb=IO_TAG wqe=reserved */ |
f0d9bccc | 8970 | bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0); |
4f774513 | 8971 | /* Always open the exchange */ |
f0d9bccc JS |
8972 | bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1); |
8973 | bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE); | |
8974 | bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1); | |
8975 | bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com, | |
8976 | LPFC_WQE_LENLOC_NONE); | |
2a94aea4 JS |
8977 | bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com, |
8978 | iocbq->iocb.ulpFCP2Rcvy); | |
1ba981fd JS |
8979 | if (iocbq->iocb_flag & LPFC_IO_OAS) { |
8980 | bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1); | |
c92c841c JS |
8981 | bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1); |
8982 | if (iocbq->priority) { | |
8983 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, | |
8984 | (iocbq->priority << 1)); | |
8985 | } else { | |
1ba981fd JS |
8986 | bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com, |
8987 | (phba->cfg_XLanePriority << 1)); | |
8988 | } | |
8989 | } | |
b5c53958 JS |
8990 | /* Note, word 10 is already initialized to 0 */ |
8991 | ||
8992 | if (phba->fcp_embed_io) { | |
8993 | struct lpfc_scsi_buf *lpfc_cmd; | |
8994 | struct sli4_sge *sgl; | |
8995 | union lpfc_wqe128 *wqe128; | |
8996 | struct fcp_cmnd *fcp_cmnd; | |
8997 | uint32_t *ptr; | |
8998 | ||
8999 | /* 128 byte wqe support here */ | |
9000 | wqe128 = (union lpfc_wqe128 *)wqe; | |
9001 | ||
9002 | lpfc_cmd = iocbq->context1; | |
9003 | sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl; | |
9004 | fcp_cmnd = lpfc_cmd->fcp_cmnd; | |
9005 | ||
9006 | /* Word 0-2 - FCP_CMND */ | |
9007 | wqe128->generic.bde.tus.f.bdeFlags = | |
9008 | BUFF_TYPE_BDE_IMMED; | |
9009 | wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len; | |
9010 | wqe128->generic.bde.addrHigh = 0; | |
9011 | wqe128->generic.bde.addrLow = 88; /* Word 22 */ | |
9012 | ||
9013 | bf_set(wqe_wqes, &wqe128->fcp_icmd.wqe_com, 1); | |
9014 | ||
9015 | /* Word 22-29 FCP CMND Payload */ | |
9016 | ptr = &wqe128->words[22]; | |
9017 | memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd)); | |
9018 | } | |
7851fe2c | 9019 | break; |
4f774513 | 9020 | case CMD_GEN_REQUEST64_CR: |
63e801ce JS |
9021 | /* For this command calculate the xmit length of the |
9022 | * request bde. | |
9023 | */ | |
9024 | xmit_len = 0; | |
9025 | numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize / | |
9026 | sizeof(struct ulp_bde64); | |
9027 | for (i = 0; i < numBdes; i++) { | |
63e801ce | 9028 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); |
546fc854 JS |
9029 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) |
9030 | break; | |
63e801ce JS |
9031 | xmit_len += bde.tus.f.bdeSize; |
9032 | } | |
f0d9bccc JS |
9033 | /* word3 iocb=IO_TAG wqe=request_payload_len */ |
9034 | wqe->gen_req.request_payload_len = xmit_len; | |
9035 | /* word4 iocb=parameter wqe=relative_offset memcpy */ | |
9036 | /* word5 [rctl, type, df_ctl, la] copied in memcpy */ | |
4f774513 JS |
9037 | /* word6 context tag copied in memcpy */ |
9038 | if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) { | |
9039 | ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l); | |
9040 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9041 | "2015 Invalid CT %x command 0x%x\n", | |
9042 | ct, iocbq->iocb.ulpCommand); | |
9043 | return IOCB_ERROR; | |
9044 | } | |
f0d9bccc JS |
9045 | bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0); |
9046 | bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout); | |
9047 | bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU); | |
9048 | bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1); | |
9049 | bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ); | |
9050 | bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1); | |
9051 | bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE); | |
9052 | bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0); | |
af22741c | 9053 | wqe->gen_req.max_response_payload_len = total_len - xmit_len; |
4f774513 | 9054 | command_type = OTHER_COMMAND; |
7851fe2c | 9055 | break; |
4f774513 | 9056 | case CMD_XMIT_ELS_RSP64_CX: |
c31098ce | 9057 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
4f774513 | 9058 | /* words0-2 BDE memcpy */ |
f0d9bccc JS |
9059 | /* word3 iocb=iotag32 wqe=response_payload_len */ |
9060 | wqe->xmit_els_rsp.response_payload_len = xmit_len; | |
939723a4 JS |
9061 | /* word4 */ |
9062 | wqe->xmit_els_rsp.word4 = 0; | |
4f774513 JS |
9063 | /* word5 iocb=rsvd wge=did */ |
9064 | bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest, | |
939723a4 JS |
9065 | iocbq->iocb.un.xseq64.xmit_els_remoteID); |
9066 | ||
9067 | if_type = bf_get(lpfc_sli_intf_if_type, | |
9068 | &phba->sli4_hba.sli_intf); | |
9069 | if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { | |
9070 | if (iocbq->vport->fc_flag & FC_PT2PT) { | |
9071 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); | |
9072 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
9073 | iocbq->vport->fc_myDID); | |
9074 | if (iocbq->vport->fc_myDID == Fabric_DID) { | |
9075 | bf_set(wqe_els_did, | |
9076 | &wqe->xmit_els_rsp.wqe_dest, 0); | |
9077 | } | |
9078 | } | |
9079 | } | |
f0d9bccc JS |
9080 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, |
9081 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); | |
9082 | bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU); | |
9083 | bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com, | |
7851fe2c | 9084 | iocbq->iocb.unsli3.rcvsli3.ox_id); |
4f774513 | 9085 | if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l) |
f0d9bccc | 9086 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, |
6d368e53 | 9087 | phba->vpi_ids[iocbq->vport->vpi]); |
f0d9bccc JS |
9088 | bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1); |
9089 | bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE); | |
9090 | bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1); | |
9091 | bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com, | |
9092 | LPFC_WQE_LENLOC_WORD3); | |
9093 | bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0); | |
6d368e53 JS |
9094 | bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp, |
9095 | phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); | |
ff78d8f9 JS |
9096 | pcmd = (uint32_t *) (((struct lpfc_dmabuf *) |
9097 | iocbq->context2)->virt); | |
9098 | if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) { | |
939723a4 JS |
9099 | bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1); |
9100 | bf_set(els_rsp64_sid, &wqe->xmit_els_rsp, | |
ff78d8f9 | 9101 | iocbq->vport->fc_myDID); |
939723a4 JS |
9102 | bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1); |
9103 | bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com, | |
ff78d8f9 JS |
9104 | phba->vpi_ids[phba->pport->vpi]); |
9105 | } | |
4f774513 | 9106 | command_type = OTHER_COMMAND; |
7851fe2c | 9107 | break; |
4f774513 JS |
9108 | case CMD_CLOSE_XRI_CN: |
9109 | case CMD_ABORT_XRI_CN: | |
9110 | case CMD_ABORT_XRI_CX: | |
9111 | /* words 0-2 memcpy should be 0 rserved */ | |
9112 | /* port will send abts */ | |
dcf2a4e0 JS |
9113 | abrt_iotag = iocbq->iocb.un.acxri.abortContextTag; |
9114 | if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) { | |
9115 | abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag]; | |
9116 | fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK; | |
9117 | } else | |
9118 | fip = 0; | |
9119 | ||
9120 | if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip) | |
4f774513 | 9121 | /* |
dcf2a4e0 JS |
9122 | * The link is down, or the command was ELS_FIP |
9123 | * so the fw does not need to send abts | |
4f774513 JS |
9124 | * on the wire. |
9125 | */ | |
9126 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 1); | |
9127 | else | |
9128 | bf_set(abort_cmd_ia, &wqe->abort_cmd, 0); | |
9129 | bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG); | |
f0d9bccc JS |
9130 | /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */ |
9131 | wqe->abort_cmd.rsrvd5 = 0; | |
9132 | bf_set(wqe_ct, &wqe->abort_cmd.wqe_com, | |
4f774513 JS |
9133 | ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l)); |
9134 | abort_tag = iocbq->iocb.un.acxri.abortIoTag; | |
4f774513 JS |
9135 | /* |
9136 | * The abort handler will send us CMD_ABORT_XRI_CN or | |
9137 | * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX | |
9138 | */ | |
f0d9bccc JS |
9139 | bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); |
9140 | bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1); | |
9141 | bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com, | |
9142 | LPFC_WQE_LENLOC_NONE); | |
4f774513 JS |
9143 | cmnd = CMD_ABORT_XRI_CX; |
9144 | command_type = OTHER_COMMAND; | |
9145 | xritag = 0; | |
7851fe2c | 9146 | break; |
6669f9bb | 9147 | case CMD_XMIT_BLS_RSP64_CX: |
6b5151fd | 9148 | ndlp = (struct lpfc_nodelist *)iocbq->context1; |
546fc854 | 9149 | /* As BLS ABTS RSP WQE is very different from other WQEs, |
6669f9bb JS |
9150 | * we re-construct this WQE here based on information in |
9151 | * iocbq from scratch. | |
9152 | */ | |
9153 | memset(wqe, 0, sizeof(union lpfc_wqe)); | |
5ffc266e | 9154 | /* OX_ID is invariable to who sent ABTS to CT exchange */ |
6669f9bb | 9155 | bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp, |
546fc854 JS |
9156 | bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp)); |
9157 | if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) == | |
5ffc266e JS |
9158 | LPFC_ABTS_UNSOL_INT) { |
9159 | /* ABTS sent by initiator to CT exchange, the | |
9160 | * RX_ID field will be filled with the newly | |
9161 | * allocated responder XRI. | |
9162 | */ | |
9163 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
9164 | iocbq->sli4_xritag); | |
9165 | } else { | |
9166 | /* ABTS sent by responder to CT exchange, the | |
9167 | * RX_ID field will be filled with the responder | |
9168 | * RX_ID from ABTS. | |
9169 | */ | |
9170 | bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp, | |
546fc854 | 9171 | bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp)); |
5ffc266e | 9172 | } |
6669f9bb JS |
9173 | bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); |
9174 | bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); | |
6b5151fd JS |
9175 | |
9176 | /* Use CT=VPI */ | |
9177 | bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, | |
9178 | ndlp->nlp_DID); | |
9179 | bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, | |
9180 | iocbq->iocb.ulpContext); | |
9181 | bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); | |
6669f9bb | 9182 | bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, |
6b5151fd | 9183 | phba->vpi_ids[phba->pport->vpi]); |
f0d9bccc JS |
9184 | bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); |
9185 | bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, | |
9186 | LPFC_WQE_LENLOC_NONE); | |
6669f9bb JS |
9187 | /* Overwrite the pre-set comnd type with OTHER_COMMAND */ |
9188 | command_type = OTHER_COMMAND; | |
546fc854 JS |
9189 | if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) { |
9190 | bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp, | |
9191 | bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp)); | |
9192 | bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp, | |
9193 | bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp)); | |
9194 | bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp, | |
9195 | bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp)); | |
9196 | } | |
9197 | ||
7851fe2c | 9198 | break; |
ae9e28f3 JS |
9199 | case CMD_SEND_FRAME: |
9200 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); | |
9201 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9202 | return 0; | |
4f774513 JS |
9203 | case CMD_XRI_ABORTED_CX: |
9204 | case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ | |
4f774513 JS |
9205 | case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ |
9206 | case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */ | |
9207 | case CMD_FCP_TRSP64_CX: /* Target mode rcv */ | |
9208 | case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */ | |
9209 | default: | |
9210 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
9211 | "2014 Invalid command 0x%x\n", | |
9212 | iocbq->iocb.ulpCommand); | |
9213 | return IOCB_ERROR; | |
7851fe2c | 9214 | break; |
4f774513 | 9215 | } |
6d368e53 | 9216 | |
8012cc38 JS |
9217 | if (iocbq->iocb_flag & LPFC_IO_DIF_PASS) |
9218 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); | |
9219 | else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP) | |
9220 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); | |
9221 | else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT) | |
9222 | bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); | |
9223 | iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | | |
9224 | LPFC_IO_DIF_INSERT); | |
f0d9bccc JS |
9225 | bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); |
9226 | bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); | |
9227 | wqe->generic.wqe_com.abort_tag = abort_tag; | |
9228 | bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type); | |
9229 | bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd); | |
9230 | bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass); | |
9231 | bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
4f774513 JS |
9232 | return 0; |
9233 | } | |
9234 | ||
9235 | /** | |
9236 | * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb | |
9237 | * @phba: Pointer to HBA context object. | |
9238 | * @ring_number: SLI ring number to issue iocb on. | |
9239 | * @piocb: Pointer to command iocb. | |
9240 | * @flag: Flag indicating if this command can be put into txq. | |
9241 | * | |
9242 | * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue | |
9243 | * an iocb command to an HBA with SLI-4 interface spec. | |
9244 | * | |
9245 | * This function is called with hbalock held. The function will return success | |
9246 | * after it successfully submit the iocb to firmware or after adding to the | |
9247 | * txq. | |
9248 | **/ | |
9249 | static int | |
9250 | __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, | |
9251 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9252 | { | |
9253 | struct lpfc_sglq *sglq; | |
b5c53958 JS |
9254 | union lpfc_wqe *wqe; |
9255 | union lpfc_wqe128 wqe128; | |
1ba981fd | 9256 | struct lpfc_queue *wq; |
895427bd | 9257 | struct lpfc_sli_ring *pring; |
4f774513 | 9258 | |
895427bd JS |
9259 | /* Get the WQ */ |
9260 | if ((piocb->iocb_flag & LPFC_IO_FCP) || | |
9261 | (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { | |
9262 | if (!phba->cfg_fof || (!(piocb->iocb_flag & LPFC_IO_OAS))) | |
9263 | wq = phba->sli4_hba.fcp_wq[piocb->hba_wqidx]; | |
9264 | else | |
9265 | wq = phba->sli4_hba.oas_wq; | |
9266 | } else { | |
9267 | wq = phba->sli4_hba.els_wq; | |
9268 | } | |
9269 | ||
9270 | /* Get corresponding ring */ | |
9271 | pring = wq->pring; | |
1c2ba475 | 9272 | |
b5c53958 JS |
9273 | /* |
9274 | * The WQE can be either 64 or 128 bytes, | |
9275 | * so allocate space on the stack assuming the largest. | |
9276 | */ | |
9277 | wqe = (union lpfc_wqe *)&wqe128; | |
9278 | ||
895427bd JS |
9279 | lockdep_assert_held(&phba->hbalock); |
9280 | ||
4f774513 JS |
9281 | if (piocb->sli4_xritag == NO_XRI) { |
9282 | if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
6b5151fd | 9283 | piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) |
4f774513 JS |
9284 | sglq = NULL; |
9285 | else { | |
0e9bb8d7 | 9286 | if (!list_empty(&pring->txq)) { |
2a9bf3d0 JS |
9287 | if (!(flag & SLI_IOCB_RET_IOCB)) { |
9288 | __lpfc_sli_ringtx_put(phba, | |
9289 | pring, piocb); | |
9290 | return IOCB_SUCCESS; | |
9291 | } else { | |
9292 | return IOCB_BUSY; | |
9293 | } | |
9294 | } else { | |
895427bd | 9295 | sglq = __lpfc_sli_get_els_sglq(phba, piocb); |
2a9bf3d0 JS |
9296 | if (!sglq) { |
9297 | if (!(flag & SLI_IOCB_RET_IOCB)) { | |
9298 | __lpfc_sli_ringtx_put(phba, | |
9299 | pring, | |
9300 | piocb); | |
9301 | return IOCB_SUCCESS; | |
9302 | } else | |
9303 | return IOCB_BUSY; | |
9304 | } | |
9305 | } | |
4f774513 | 9306 | } |
2ea259ee | 9307 | } else if (piocb->iocb_flag & LPFC_IO_FCP) |
6d368e53 JS |
9308 | /* These IO's already have an XRI and a mapped sgl. */ |
9309 | sglq = NULL; | |
2ea259ee | 9310 | else { |
6d368e53 JS |
9311 | /* |
9312 | * This is a continuation of a commandi,(CX) so this | |
4f774513 JS |
9313 | * sglq is on the active list |
9314 | */ | |
edccdc17 | 9315 | sglq = __lpfc_get_active_sglq(phba, piocb->sli4_lxritag); |
4f774513 JS |
9316 | if (!sglq) |
9317 | return IOCB_ERROR; | |
9318 | } | |
9319 | ||
9320 | if (sglq) { | |
6d368e53 | 9321 | piocb->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 | 9322 | piocb->sli4_xritag = sglq->sli4_xritag; |
2a9bf3d0 | 9323 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq)) |
4f774513 JS |
9324 | return IOCB_ERROR; |
9325 | } | |
9326 | ||
b5c53958 | 9327 | if (lpfc_sli4_iocb2wqe(phba, piocb, wqe)) |
4f774513 JS |
9328 | return IOCB_ERROR; |
9329 | ||
895427bd JS |
9330 | if (lpfc_sli4_wq_put(wq, wqe)) |
9331 | return IOCB_ERROR; | |
4f774513 JS |
9332 | lpfc_sli_ringtxcmpl_put(phba, pring, piocb); |
9333 | ||
9334 | return 0; | |
9335 | } | |
9336 | ||
9337 | /** | |
9338 | * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb | |
9339 | * | |
9340 | * This routine wraps the actual lockless version for issusing IOCB function | |
9341 | * pointer from the lpfc_hba struct. | |
9342 | * | |
9343 | * Return codes: | |
b5c53958 JS |
9344 | * IOCB_ERROR - Error |
9345 | * IOCB_SUCCESS - Success | |
9346 | * IOCB_BUSY - Busy | |
4f774513 | 9347 | **/ |
2a9bf3d0 | 9348 | int |
4f774513 JS |
9349 | __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, |
9350 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9351 | { | |
9352 | return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
9353 | } | |
9354 | ||
9355 | /** | |
25985edc | 9356 | * lpfc_sli_api_table_setup - Set up sli api function jump table |
4f774513 JS |
9357 | * @phba: The hba struct for which this call is being executed. |
9358 | * @dev_grp: The HBA PCI-Device group number. | |
9359 | * | |
9360 | * This routine sets up the SLI interface API function jump table in @phba | |
9361 | * struct. | |
9362 | * Returns: 0 - success, -ENODEV - failure. | |
9363 | **/ | |
9364 | int | |
9365 | lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) | |
9366 | { | |
9367 | ||
9368 | switch (dev_grp) { | |
9369 | case LPFC_PCI_DEV_LP: | |
9370 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3; | |
9371 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3; | |
9372 | break; | |
9373 | case LPFC_PCI_DEV_OC: | |
9374 | phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4; | |
9375 | phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4; | |
9376 | break; | |
9377 | default: | |
9378 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
9379 | "1419 Invalid HBA PCI-device group: 0x%x\n", | |
9380 | dev_grp); | |
9381 | return -ENODEV; | |
9382 | break; | |
9383 | } | |
9384 | phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq; | |
9385 | return 0; | |
9386 | } | |
9387 | ||
a1efe163 | 9388 | /** |
895427bd | 9389 | * lpfc_sli4_calc_ring - Calculates which ring to use |
a1efe163 | 9390 | * @phba: Pointer to HBA context object. |
a1efe163 JS |
9391 | * @piocb: Pointer to command iocb. |
9392 | * | |
895427bd JS |
9393 | * For SLI4 only, FCP IO can deferred to one fo many WQs, based on |
9394 | * hba_wqidx, thus we need to calculate the corresponding ring. | |
a1efe163 | 9395 | * Since ABORTS must go on the same WQ of the command they are |
895427bd | 9396 | * aborting, we use command's hba_wqidx. |
a1efe163 | 9397 | */ |
895427bd JS |
9398 | struct lpfc_sli_ring * |
9399 | lpfc_sli4_calc_ring(struct lpfc_hba *phba, struct lpfc_iocbq *piocb) | |
9bd2bff5 | 9400 | { |
895427bd | 9401 | if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) { |
8b0dff14 | 9402 | if (!(phba->cfg_fof) || |
895427bd | 9403 | (!(piocb->iocb_flag & LPFC_IO_FOF))) { |
8b0dff14 | 9404 | if (unlikely(!phba->sli4_hba.fcp_wq)) |
895427bd | 9405 | return NULL; |
8b0dff14 | 9406 | /* |
895427bd | 9407 | * for abort iocb hba_wqidx should already |
8b0dff14 JS |
9408 | * be setup based on what work queue we used. |
9409 | */ | |
8e036a94 | 9410 | if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { |
895427bd | 9411 | piocb->hba_wqidx = |
8b0dff14 JS |
9412 | lpfc_sli4_scmd_to_wqidx_distr(phba, |
9413 | piocb->context1); | |
8e036a94 DK |
9414 | piocb->hba_wqidx = piocb->hba_wqidx % |
9415 | phba->cfg_fcp_io_channel; | |
9416 | } | |
895427bd | 9417 | return phba->sli4_hba.fcp_wq[piocb->hba_wqidx]->pring; |
8b0dff14 JS |
9418 | } else { |
9419 | if (unlikely(!phba->sli4_hba.oas_wq)) | |
895427bd JS |
9420 | return NULL; |
9421 | piocb->hba_wqidx = 0; | |
9422 | return phba->sli4_hba.oas_wq->pring; | |
9bd2bff5 | 9423 | } |
895427bd JS |
9424 | } else { |
9425 | if (unlikely(!phba->sli4_hba.els_wq)) | |
9426 | return NULL; | |
9427 | piocb->hba_wqidx = 0; | |
9428 | return phba->sli4_hba.els_wq->pring; | |
9bd2bff5 | 9429 | } |
9bd2bff5 JS |
9430 | } |
9431 | ||
4f774513 JS |
9432 | /** |
9433 | * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb | |
9434 | * @phba: Pointer to HBA context object. | |
9435 | * @pring: Pointer to driver SLI ring object. | |
9436 | * @piocb: Pointer to command iocb. | |
9437 | * @flag: Flag indicating if this command can be put into txq. | |
9438 | * | |
9439 | * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb | |
9440 | * function. This function gets the hbalock and calls | |
9441 | * __lpfc_sli_issue_iocb function and will return the error returned | |
9442 | * by __lpfc_sli_issue_iocb function. This wrapper is used by | |
9443 | * functions which do not hold hbalock. | |
9444 | **/ | |
9445 | int | |
9446 | lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number, | |
9447 | struct lpfc_iocbq *piocb, uint32_t flag) | |
9448 | { | |
895427bd | 9449 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
2a76a283 | 9450 | struct lpfc_sli_ring *pring; |
ba20c853 JS |
9451 | struct lpfc_queue *fpeq; |
9452 | struct lpfc_eqe *eqe; | |
4f774513 | 9453 | unsigned long iflags; |
2a76a283 | 9454 | int rc, idx; |
4f774513 | 9455 | |
7e56aa25 | 9456 | if (phba->sli_rev == LPFC_SLI_REV4) { |
895427bd JS |
9457 | pring = lpfc_sli4_calc_ring(phba, piocb); |
9458 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 9459 | return IOCB_ERROR; |
ba20c853 | 9460 | |
9bd2bff5 JS |
9461 | spin_lock_irqsave(&pring->ring_lock, iflags); |
9462 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
9463 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
ba20c853 | 9464 | |
9bd2bff5 | 9465 | if (lpfc_fcp_look_ahead && (piocb->iocb_flag & LPFC_IO_FCP)) { |
895427bd JS |
9466 | idx = piocb->hba_wqidx; |
9467 | hba_eq_hdl = &phba->sli4_hba.hba_eq_hdl[idx]; | |
4f774513 | 9468 | |
895427bd | 9469 | if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use)) { |
ba20c853 | 9470 | |
9bd2bff5 JS |
9471 | /* Get associated EQ with this index */ |
9472 | fpeq = phba->sli4_hba.hba_eq[idx]; | |
ba20c853 | 9473 | |
9bd2bff5 JS |
9474 | /* Turn off interrupts from this EQ */ |
9475 | lpfc_sli4_eq_clr_intr(fpeq); | |
ba20c853 | 9476 | |
9bd2bff5 JS |
9477 | /* |
9478 | * Process all the events on FCP EQ | |
9479 | */ | |
9480 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
9481 | lpfc_sli4_hba_handle_eqe(phba, | |
9482 | eqe, idx); | |
9483 | fpeq->EQ_processed++; | |
ba20c853 | 9484 | } |
ba20c853 | 9485 | |
9bd2bff5 JS |
9486 | /* Always clear and re-arm the EQ */ |
9487 | lpfc_sli4_eq_release(fpeq, | |
9488 | LPFC_QUEUE_REARM); | |
9489 | } | |
895427bd | 9490 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
2a76a283 | 9491 | } |
7e56aa25 JS |
9492 | } else { |
9493 | /* For now, SLI2/3 will still use hbalock */ | |
9494 | spin_lock_irqsave(&phba->hbalock, iflags); | |
9495 | rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag); | |
9496 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
9497 | } | |
4f774513 JS |
9498 | return rc; |
9499 | } | |
9500 | ||
9501 | /** | |
9502 | * lpfc_extra_ring_setup - Extra ring setup function | |
9503 | * @phba: Pointer to HBA context object. | |
9504 | * | |
9505 | * This function is called while driver attaches with the | |
9506 | * HBA to setup the extra ring. The extra ring is used | |
9507 | * only when driver needs to support target mode functionality | |
9508 | * or IP over FC functionalities. | |
9509 | * | |
895427bd | 9510 | * This function is called with no lock held. SLI3 only. |
4f774513 JS |
9511 | **/ |
9512 | static int | |
9513 | lpfc_extra_ring_setup( struct lpfc_hba *phba) | |
9514 | { | |
9515 | struct lpfc_sli *psli; | |
9516 | struct lpfc_sli_ring *pring; | |
9517 | ||
9518 | psli = &phba->sli; | |
9519 | ||
9520 | /* Adjust cmd/rsp ring iocb entries more evenly */ | |
9521 | ||
9522 | /* Take some away from the FCP ring */ | |
895427bd | 9523 | pring = &psli->sli3_ring[LPFC_FCP_RING]; |
7e56aa25 JS |
9524 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
9525 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
9526 | pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
9527 | pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e | 9528 | |
a4bc3379 | 9529 | /* and give them to the extra ring */ |
895427bd | 9530 | pring = &psli->sli3_ring[LPFC_EXTRA_RING]; |
a4bc3379 | 9531 | |
7e56aa25 JS |
9532 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES; |
9533 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
9534 | pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
9535 | pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
cf5bf97e JW |
9536 | |
9537 | /* Setup default profile for this ring */ | |
9538 | pring->iotag_max = 4096; | |
9539 | pring->num_mask = 1; | |
9540 | pring->prt[0].profile = 0; /* Mask 0 */ | |
a4bc3379 JS |
9541 | pring->prt[0].rctl = phba->cfg_multi_ring_rctl; |
9542 | pring->prt[0].type = phba->cfg_multi_ring_type; | |
cf5bf97e JW |
9543 | pring->prt[0].lpfc_sli_rcv_unsol_event = NULL; |
9544 | return 0; | |
9545 | } | |
9546 | ||
cb69f7de JS |
9547 | /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port. |
9548 | * @phba: Pointer to HBA context object. | |
9549 | * @iocbq: Pointer to iocb object. | |
9550 | * | |
9551 | * The async_event handler calls this routine when it receives | |
9552 | * an ASYNC_STATUS_CN event from the port. The port generates | |
9553 | * this event when an Abort Sequence request to an rport fails | |
9554 | * twice in succession. The abort could be originated by the | |
9555 | * driver or by the port. The ABTS could have been for an ELS | |
9556 | * or FCP IO. The port only generates this event when an ABTS | |
9557 | * fails to complete after one retry. | |
9558 | */ | |
9559 | static void | |
9560 | lpfc_sli_abts_err_handler(struct lpfc_hba *phba, | |
9561 | struct lpfc_iocbq *iocbq) | |
9562 | { | |
9563 | struct lpfc_nodelist *ndlp = NULL; | |
9564 | uint16_t rpi = 0, vpi = 0; | |
9565 | struct lpfc_vport *vport = NULL; | |
9566 | ||
9567 | /* The rpi in the ulpContext is vport-sensitive. */ | |
9568 | vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag; | |
9569 | rpi = iocbq->iocb.ulpContext; | |
9570 | ||
9571 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
9572 | "3092 Port generated ABTS async event " | |
9573 | "on vpi %d rpi %d status 0x%x\n", | |
9574 | vpi, rpi, iocbq->iocb.ulpStatus); | |
9575 | ||
9576 | vport = lpfc_find_vport_by_vpid(phba, vpi); | |
9577 | if (!vport) | |
9578 | goto err_exit; | |
9579 | ndlp = lpfc_findnode_rpi(vport, rpi); | |
9580 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) | |
9581 | goto err_exit; | |
9582 | ||
9583 | if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT) | |
9584 | lpfc_sli_abts_recover_port(vport, ndlp); | |
9585 | return; | |
9586 | ||
9587 | err_exit: | |
9588 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
9589 | "3095 Event Context not found, no " | |
9590 | "action on vpi %d rpi %d status 0x%x, reason 0x%x\n", | |
9591 | iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus, | |
9592 | vpi, rpi); | |
9593 | } | |
9594 | ||
9595 | /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port. | |
9596 | * @phba: pointer to HBA context object. | |
9597 | * @ndlp: nodelist pointer for the impacted rport. | |
9598 | * @axri: pointer to the wcqe containing the failed exchange. | |
9599 | * | |
9600 | * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the | |
9601 | * port. The port generates this event when an abort exchange request to an | |
9602 | * rport fails twice in succession with no reply. The abort could be originated | |
9603 | * by the driver or by the port. The ABTS could have been for an ELS or FCP IO. | |
9604 | */ | |
9605 | void | |
9606 | lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, | |
9607 | struct lpfc_nodelist *ndlp, | |
9608 | struct sli4_wcqe_xri_aborted *axri) | |
9609 | { | |
9610 | struct lpfc_vport *vport; | |
5c1db2ac | 9611 | uint32_t ext_status = 0; |
cb69f7de | 9612 | |
6b5151fd | 9613 | if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { |
cb69f7de JS |
9614 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
9615 | "3115 Node Context not found, driver " | |
9616 | "ignoring abts err event\n"); | |
6b5151fd JS |
9617 | return; |
9618 | } | |
9619 | ||
cb69f7de JS |
9620 | vport = ndlp->vport; |
9621 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
9622 | "3116 Port generated FCP XRI ABORT event on " | |
5c1db2ac | 9623 | "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", |
8e668af5 | 9624 | ndlp->vport->vpi, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi], |
cb69f7de | 9625 | bf_get(lpfc_wcqe_xa_xri, axri), |
5c1db2ac JS |
9626 | bf_get(lpfc_wcqe_xa_status, axri), |
9627 | axri->parameter); | |
cb69f7de | 9628 | |
5c1db2ac JS |
9629 | /* |
9630 | * Catch the ABTS protocol failure case. Older OCe FW releases returned | |
9631 | * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and | |
9632 | * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. | |
9633 | */ | |
e3d2b802 | 9634 | ext_status = axri->parameter & IOERR_PARAM_MASK; |
5c1db2ac JS |
9635 | if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && |
9636 | ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) | |
cb69f7de JS |
9637 | lpfc_sli_abts_recover_port(vport, ndlp); |
9638 | } | |
9639 | ||
e59058c4 | 9640 | /** |
3621a710 | 9641 | * lpfc_sli_async_event_handler - ASYNC iocb handler function |
e59058c4 JS |
9642 | * @phba: Pointer to HBA context object. |
9643 | * @pring: Pointer to driver SLI ring object. | |
9644 | * @iocbq: Pointer to iocb object. | |
9645 | * | |
9646 | * This function is called by the slow ring event handler | |
9647 | * function when there is an ASYNC event iocb in the ring. | |
9648 | * This function is called with no lock held. | |
9649 | * Currently this function handles only temperature related | |
9650 | * ASYNC events. The function decodes the temperature sensor | |
9651 | * event message and posts events for the management applications. | |
9652 | **/ | |
98c9ea5c | 9653 | static void |
57127f15 JS |
9654 | lpfc_sli_async_event_handler(struct lpfc_hba * phba, |
9655 | struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) | |
9656 | { | |
9657 | IOCB_t *icmd; | |
9658 | uint16_t evt_code; | |
57127f15 JS |
9659 | struct temp_event temp_event_data; |
9660 | struct Scsi_Host *shost; | |
a257bf90 | 9661 | uint32_t *iocb_w; |
57127f15 JS |
9662 | |
9663 | icmd = &iocbq->iocb; | |
9664 | evt_code = icmd->un.asyncstat.evt_code; | |
57127f15 | 9665 | |
cb69f7de JS |
9666 | switch (evt_code) { |
9667 | case ASYNC_TEMP_WARN: | |
9668 | case ASYNC_TEMP_SAFE: | |
9669 | temp_event_data.data = (uint32_t) icmd->ulpContext; | |
9670 | temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; | |
9671 | if (evt_code == ASYNC_TEMP_WARN) { | |
9672 | temp_event_data.event_code = LPFC_THRESHOLD_TEMP; | |
9673 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
9674 | "0347 Adapter is very hot, please take " | |
9675 | "corrective action. temperature : %d Celsius\n", | |
9676 | (uint32_t) icmd->ulpContext); | |
9677 | } else { | |
9678 | temp_event_data.event_code = LPFC_NORMAL_TEMP; | |
9679 | lpfc_printf_log(phba, KERN_ERR, LOG_TEMP, | |
9680 | "0340 Adapter temperature is OK now. " | |
9681 | "temperature : %d Celsius\n", | |
9682 | (uint32_t) icmd->ulpContext); | |
9683 | } | |
9684 | ||
9685 | /* Send temperature change event to applications */ | |
9686 | shost = lpfc_shost_from_vport(phba->pport); | |
9687 | fc_host_post_vendor_event(shost, fc_get_event_number(), | |
9688 | sizeof(temp_event_data), (char *) &temp_event_data, | |
9689 | LPFC_NL_VENDOR_ID); | |
9690 | break; | |
9691 | case ASYNC_STATUS_CN: | |
9692 | lpfc_sli_abts_err_handler(phba, iocbq); | |
9693 | break; | |
9694 | default: | |
a257bf90 | 9695 | iocb_w = (uint32_t *) icmd; |
cb69f7de | 9696 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
76bb24ef | 9697 | "0346 Ring %d handler: unexpected ASYNC_STATUS" |
e4e74273 | 9698 | " evt_code 0x%x\n" |
a257bf90 JS |
9699 | "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n" |
9700 | "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n" | |
9701 | "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n" | |
9702 | "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n", | |
cb69f7de | 9703 | pring->ringno, icmd->un.asyncstat.evt_code, |
a257bf90 JS |
9704 | iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3], |
9705 | iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7], | |
9706 | iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11], | |
9707 | iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]); | |
9708 | ||
cb69f7de | 9709 | break; |
57127f15 | 9710 | } |
57127f15 JS |
9711 | } |
9712 | ||
9713 | ||
e59058c4 | 9714 | /** |
895427bd | 9715 | * lpfc_sli4_setup - SLI ring setup function |
e59058c4 JS |
9716 | * @phba: Pointer to HBA context object. |
9717 | * | |
9718 | * lpfc_sli_setup sets up rings of the SLI interface with | |
9719 | * number of iocbs per ring and iotags. This function is | |
9720 | * called while driver attach to the HBA and before the | |
9721 | * interrupts are enabled. So there is no need for locking. | |
9722 | * | |
9723 | * This function always returns 0. | |
9724 | **/ | |
dea3101e | 9725 | int |
895427bd JS |
9726 | lpfc_sli4_setup(struct lpfc_hba *phba) |
9727 | { | |
9728 | struct lpfc_sli_ring *pring; | |
9729 | ||
9730 | pring = phba->sli4_hba.els_wq->pring; | |
9731 | pring->num_mask = LPFC_MAX_RING_MASK; | |
9732 | pring->prt[0].profile = 0; /* Mask 0 */ | |
9733 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; | |
9734 | pring->prt[0].type = FC_TYPE_ELS; | |
9735 | pring->prt[0].lpfc_sli_rcv_unsol_event = | |
9736 | lpfc_els_unsol_event; | |
9737 | pring->prt[1].profile = 0; /* Mask 1 */ | |
9738 | pring->prt[1].rctl = FC_RCTL_ELS_REP; | |
9739 | pring->prt[1].type = FC_TYPE_ELS; | |
9740 | pring->prt[1].lpfc_sli_rcv_unsol_event = | |
9741 | lpfc_els_unsol_event; | |
9742 | pring->prt[2].profile = 0; /* Mask 2 */ | |
9743 | /* NameServer Inquiry */ | |
9744 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; | |
9745 | /* NameServer */ | |
9746 | pring->prt[2].type = FC_TYPE_CT; | |
9747 | pring->prt[2].lpfc_sli_rcv_unsol_event = | |
9748 | lpfc_ct_unsol_event; | |
9749 | pring->prt[3].profile = 0; /* Mask 3 */ | |
9750 | /* NameServer response */ | |
9751 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; | |
9752 | /* NameServer */ | |
9753 | pring->prt[3].type = FC_TYPE_CT; | |
9754 | pring->prt[3].lpfc_sli_rcv_unsol_event = | |
9755 | lpfc_ct_unsol_event; | |
9756 | return 0; | |
9757 | } | |
9758 | ||
9759 | /** | |
9760 | * lpfc_sli_setup - SLI ring setup function | |
9761 | * @phba: Pointer to HBA context object. | |
9762 | * | |
9763 | * lpfc_sli_setup sets up rings of the SLI interface with | |
9764 | * number of iocbs per ring and iotags. This function is | |
9765 | * called while driver attach to the HBA and before the | |
9766 | * interrupts are enabled. So there is no need for locking. | |
9767 | * | |
9768 | * This function always returns 0. SLI3 only. | |
9769 | **/ | |
9770 | int | |
dea3101e JB |
9771 | lpfc_sli_setup(struct lpfc_hba *phba) |
9772 | { | |
ed957684 | 9773 | int i, totiocbsize = 0; |
dea3101e JB |
9774 | struct lpfc_sli *psli = &phba->sli; |
9775 | struct lpfc_sli_ring *pring; | |
9776 | ||
2a76a283 | 9777 | psli->num_rings = MAX_SLI3_CONFIGURED_RINGS; |
dea3101e | 9778 | psli->sli_flag = 0; |
dea3101e | 9779 | |
604a3e30 JB |
9780 | psli->iocbq_lookup = NULL; |
9781 | psli->iocbq_lookup_len = 0; | |
9782 | psli->last_iotag = 0; | |
9783 | ||
dea3101e | 9784 | for (i = 0; i < psli->num_rings; i++) { |
895427bd | 9785 | pring = &psli->sli3_ring[i]; |
dea3101e JB |
9786 | switch (i) { |
9787 | case LPFC_FCP_RING: /* ring 0 - FCP */ | |
9788 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
9789 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R0_ENTRIES; |
9790 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R0_ENTRIES; | |
9791 | pring->sli.sli3.numCiocb += | |
9792 | SLI2_IOCB_CMD_R1XTRA_ENTRIES; | |
9793 | pring->sli.sli3.numRiocb += | |
9794 | SLI2_IOCB_RSP_R1XTRA_ENTRIES; | |
9795 | pring->sli.sli3.numCiocb += | |
9796 | SLI2_IOCB_CMD_R3XTRA_ENTRIES; | |
9797 | pring->sli.sli3.numRiocb += | |
9798 | SLI2_IOCB_RSP_R3XTRA_ENTRIES; | |
9799 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
9800 | SLI3_IOCB_CMD_SIZE : |
9801 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 9802 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
9803 | SLI3_IOCB_RSP_SIZE : |
9804 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
9805 | pring->iotag_ctr = 0; |
9806 | pring->iotag_max = | |
92d7f7b0 | 9807 | (phba->cfg_hba_queue_depth * 2); |
dea3101e JB |
9808 | pring->fast_iotag = pring->iotag_max; |
9809 | pring->num_mask = 0; | |
9810 | break; | |
a4bc3379 | 9811 | case LPFC_EXTRA_RING: /* ring 1 - EXTRA */ |
dea3101e | 9812 | /* numCiocb and numRiocb are used in config_port */ |
7e56aa25 JS |
9813 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R1_ENTRIES; |
9814 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R1_ENTRIES; | |
9815 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
9816 | SLI3_IOCB_CMD_SIZE : |
9817 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 9818 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
9819 | SLI3_IOCB_RSP_SIZE : |
9820 | SLI2_IOCB_RSP_SIZE; | |
2e0fef85 | 9821 | pring->iotag_max = phba->cfg_hba_queue_depth; |
dea3101e JB |
9822 | pring->num_mask = 0; |
9823 | break; | |
9824 | case LPFC_ELS_RING: /* ring 2 - ELS / CT */ | |
9825 | /* numCiocb and numRiocb are used in config_port */ | |
7e56aa25 JS |
9826 | pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R2_ENTRIES; |
9827 | pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R2_ENTRIES; | |
9828 | pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ? | |
92d7f7b0 JS |
9829 | SLI3_IOCB_CMD_SIZE : |
9830 | SLI2_IOCB_CMD_SIZE; | |
7e56aa25 | 9831 | pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ? |
92d7f7b0 JS |
9832 | SLI3_IOCB_RSP_SIZE : |
9833 | SLI2_IOCB_RSP_SIZE; | |
dea3101e JB |
9834 | pring->fast_iotag = 0; |
9835 | pring->iotag_ctr = 0; | |
9836 | pring->iotag_max = 4096; | |
57127f15 JS |
9837 | pring->lpfc_sli_rcv_async_status = |
9838 | lpfc_sli_async_event_handler; | |
6669f9bb | 9839 | pring->num_mask = LPFC_MAX_RING_MASK; |
dea3101e | 9840 | pring->prt[0].profile = 0; /* Mask 0 */ |
6a9c52cf JS |
9841 | pring->prt[0].rctl = FC_RCTL_ELS_REQ; |
9842 | pring->prt[0].type = FC_TYPE_ELS; | |
dea3101e | 9843 | pring->prt[0].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9844 | lpfc_els_unsol_event; |
dea3101e | 9845 | pring->prt[1].profile = 0; /* Mask 1 */ |
6a9c52cf JS |
9846 | pring->prt[1].rctl = FC_RCTL_ELS_REP; |
9847 | pring->prt[1].type = FC_TYPE_ELS; | |
dea3101e | 9848 | pring->prt[1].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9849 | lpfc_els_unsol_event; |
dea3101e JB |
9850 | pring->prt[2].profile = 0; /* Mask 2 */ |
9851 | /* NameServer Inquiry */ | |
6a9c52cf | 9852 | pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL; |
dea3101e | 9853 | /* NameServer */ |
6a9c52cf | 9854 | pring->prt[2].type = FC_TYPE_CT; |
dea3101e | 9855 | pring->prt[2].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9856 | lpfc_ct_unsol_event; |
dea3101e JB |
9857 | pring->prt[3].profile = 0; /* Mask 3 */ |
9858 | /* NameServer response */ | |
6a9c52cf | 9859 | pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL; |
dea3101e | 9860 | /* NameServer */ |
6a9c52cf | 9861 | pring->prt[3].type = FC_TYPE_CT; |
dea3101e | 9862 | pring->prt[3].lpfc_sli_rcv_unsol_event = |
92d7f7b0 | 9863 | lpfc_ct_unsol_event; |
dea3101e JB |
9864 | break; |
9865 | } | |
7e56aa25 JS |
9866 | totiocbsize += (pring->sli.sli3.numCiocb * |
9867 | pring->sli.sli3.sizeCiocb) + | |
9868 | (pring->sli.sli3.numRiocb * pring->sli.sli3.sizeRiocb); | |
dea3101e | 9869 | } |
ed957684 | 9870 | if (totiocbsize > MAX_SLIM_IOCB_SIZE) { |
dea3101e | 9871 | /* Too many cmd / rsp ring entries in SLI2 SLIM */ |
e8b62011 JS |
9872 | printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in " |
9873 | "SLI2 SLIM Data: x%x x%lx\n", | |
9874 | phba->brd_no, totiocbsize, | |
9875 | (unsigned long) MAX_SLIM_IOCB_SIZE); | |
dea3101e | 9876 | } |
cf5bf97e JW |
9877 | if (phba->cfg_multi_ring_support == 2) |
9878 | lpfc_extra_ring_setup(phba); | |
dea3101e JB |
9879 | |
9880 | return 0; | |
9881 | } | |
9882 | ||
e59058c4 | 9883 | /** |
895427bd | 9884 | * lpfc_sli4_queue_init - Queue initialization function |
e59058c4 JS |
9885 | * @phba: Pointer to HBA context object. |
9886 | * | |
895427bd | 9887 | * lpfc_sli4_queue_init sets up mailbox queues and iocb queues for each |
e59058c4 JS |
9888 | * ring. This function also initializes ring indices of each ring. |
9889 | * This function is called during the initialization of the SLI | |
9890 | * interface of an HBA. | |
9891 | * This function is called with no lock held and always returns | |
9892 | * 1. | |
9893 | **/ | |
895427bd JS |
9894 | void |
9895 | lpfc_sli4_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
9896 | { |
9897 | struct lpfc_sli *psli; | |
9898 | struct lpfc_sli_ring *pring; | |
604a3e30 | 9899 | int i; |
dea3101e JB |
9900 | |
9901 | psli = &phba->sli; | |
2e0fef85 | 9902 | spin_lock_irq(&phba->hbalock); |
dea3101e | 9903 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 9904 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e | 9905 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
895427bd JS |
9906 | for (i = 0; i < phba->cfg_fcp_io_channel; i++) { |
9907 | pring = phba->sli4_hba.fcp_wq[i]->pring; | |
68e814f5 | 9908 | pring->flag = 0; |
895427bd | 9909 | pring->ringno = LPFC_FCP_RING; |
dea3101e JB |
9910 | INIT_LIST_HEAD(&pring->txq); |
9911 | INIT_LIST_HEAD(&pring->txcmplq); | |
9912 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
7e56aa25 | 9913 | spin_lock_init(&pring->ring_lock); |
dea3101e | 9914 | } |
895427bd JS |
9915 | for (i = 0; i < phba->cfg_nvme_io_channel; i++) { |
9916 | pring = phba->sli4_hba.nvme_wq[i]->pring; | |
9917 | pring->flag = 0; | |
9918 | pring->ringno = LPFC_FCP_RING; | |
9919 | INIT_LIST_HEAD(&pring->txq); | |
9920 | INIT_LIST_HEAD(&pring->txcmplq); | |
9921 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9922 | spin_lock_init(&pring->ring_lock); | |
9923 | } | |
9924 | pring = phba->sli4_hba.els_wq->pring; | |
9925 | pring->flag = 0; | |
9926 | pring->ringno = LPFC_ELS_RING; | |
9927 | INIT_LIST_HEAD(&pring->txq); | |
9928 | INIT_LIST_HEAD(&pring->txcmplq); | |
9929 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9930 | spin_lock_init(&pring->ring_lock); | |
dea3101e | 9931 | |
895427bd JS |
9932 | if (phba->cfg_nvme_io_channel) { |
9933 | pring = phba->sli4_hba.nvmels_wq->pring; | |
9934 | pring->flag = 0; | |
9935 | pring->ringno = LPFC_ELS_RING; | |
9936 | INIT_LIST_HEAD(&pring->txq); | |
9937 | INIT_LIST_HEAD(&pring->txcmplq); | |
9938 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9939 | spin_lock_init(&pring->ring_lock); | |
9940 | } | |
9941 | ||
9942 | if (phba->cfg_fof) { | |
9943 | pring = phba->sli4_hba.oas_wq->pring; | |
9944 | pring->flag = 0; | |
9945 | pring->ringno = LPFC_FCP_RING; | |
9946 | INIT_LIST_HEAD(&pring->txq); | |
9947 | INIT_LIST_HEAD(&pring->txcmplq); | |
9948 | INIT_LIST_HEAD(&pring->iocb_continueq); | |
9949 | spin_lock_init(&pring->ring_lock); | |
9950 | } | |
9951 | ||
9952 | spin_unlock_irq(&phba->hbalock); | |
9953 | } | |
9954 | ||
9955 | /** | |
9956 | * lpfc_sli_queue_init - Queue initialization function | |
9957 | * @phba: Pointer to HBA context object. | |
9958 | * | |
9959 | * lpfc_sli_queue_init sets up mailbox queues and iocb queues for each | |
9960 | * ring. This function also initializes ring indices of each ring. | |
9961 | * This function is called during the initialization of the SLI | |
9962 | * interface of an HBA. | |
9963 | * This function is called with no lock held and always returns | |
9964 | * 1. | |
9965 | **/ | |
9966 | void | |
9967 | lpfc_sli_queue_init(struct lpfc_hba *phba) | |
dea3101e JB |
9968 | { |
9969 | struct lpfc_sli *psli; | |
9970 | struct lpfc_sli_ring *pring; | |
604a3e30 | 9971 | int i; |
dea3101e JB |
9972 | |
9973 | psli = &phba->sli; | |
2e0fef85 | 9974 | spin_lock_irq(&phba->hbalock); |
dea3101e | 9975 | INIT_LIST_HEAD(&psli->mboxq); |
92d7f7b0 | 9976 | INIT_LIST_HEAD(&psli->mboxq_cmpl); |
dea3101e JB |
9977 | /* Initialize list headers for txq and txcmplq as double linked lists */ |
9978 | for (i = 0; i < psli->num_rings; i++) { | |
895427bd | 9979 | pring = &psli->sli3_ring[i]; |
dea3101e | 9980 | pring->ringno = i; |
7e56aa25 JS |
9981 | pring->sli.sli3.next_cmdidx = 0; |
9982 | pring->sli.sli3.local_getidx = 0; | |
9983 | pring->sli.sli3.cmdidx = 0; | |
dea3101e | 9984 | INIT_LIST_HEAD(&pring->iocb_continueq); |
9c2face6 | 9985 | INIT_LIST_HEAD(&pring->iocb_continue_saveq); |
dea3101e | 9986 | INIT_LIST_HEAD(&pring->postbufq); |
895427bd JS |
9987 | pring->flag = 0; |
9988 | INIT_LIST_HEAD(&pring->txq); | |
9989 | INIT_LIST_HEAD(&pring->txcmplq); | |
7e56aa25 | 9990 | spin_lock_init(&pring->ring_lock); |
dea3101e | 9991 | } |
2e0fef85 | 9992 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
9993 | } |
9994 | ||
04c68496 JS |
9995 | /** |
9996 | * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system | |
9997 | * @phba: Pointer to HBA context object. | |
9998 | * | |
9999 | * This routine flushes the mailbox command subsystem. It will unconditionally | |
10000 | * flush all the mailbox commands in the three possible stages in the mailbox | |
10001 | * command sub-system: pending mailbox command queue; the outstanding mailbox | |
10002 | * command; and completed mailbox command queue. It is caller's responsibility | |
10003 | * to make sure that the driver is in the proper state to flush the mailbox | |
10004 | * command sub-system. Namely, the posting of mailbox commands into the | |
10005 | * pending mailbox command queue from the various clients must be stopped; | |
10006 | * either the HBA is in a state that it will never works on the outstanding | |
10007 | * mailbox command (such as in EEH or ERATT conditions) or the outstanding | |
10008 | * mailbox command has been completed. | |
10009 | **/ | |
10010 | static void | |
10011 | lpfc_sli_mbox_sys_flush(struct lpfc_hba *phba) | |
10012 | { | |
10013 | LIST_HEAD(completions); | |
10014 | struct lpfc_sli *psli = &phba->sli; | |
10015 | LPFC_MBOXQ_t *pmb; | |
10016 | unsigned long iflag; | |
10017 | ||
10018 | /* Flush all the mailbox commands in the mbox system */ | |
10019 | spin_lock_irqsave(&phba->hbalock, iflag); | |
10020 | /* The pending mailbox command queue */ | |
10021 | list_splice_init(&phba->sli.mboxq, &completions); | |
10022 | /* The outstanding active mailbox command */ | |
10023 | if (psli->mbox_active) { | |
10024 | list_add_tail(&psli->mbox_active->list, &completions); | |
10025 | psli->mbox_active = NULL; | |
10026 | psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
10027 | } | |
10028 | /* The completed mailbox command queue */ | |
10029 | list_splice_init(&phba->sli.mboxq_cmpl, &completions); | |
10030 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
10031 | ||
10032 | /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */ | |
10033 | while (!list_empty(&completions)) { | |
10034 | list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list); | |
10035 | pmb->u.mb.mbxStatus = MBX_NOT_FINISHED; | |
10036 | if (pmb->mbox_cmpl) | |
10037 | pmb->mbox_cmpl(phba, pmb); | |
10038 | } | |
10039 | } | |
10040 | ||
e59058c4 | 10041 | /** |
3621a710 | 10042 | * lpfc_sli_host_down - Vport cleanup function |
e59058c4 JS |
10043 | * @vport: Pointer to virtual port object. |
10044 | * | |
10045 | * lpfc_sli_host_down is called to clean up the resources | |
10046 | * associated with a vport before destroying virtual | |
10047 | * port data structures. | |
10048 | * This function does following operations: | |
10049 | * - Free discovery resources associated with this virtual | |
10050 | * port. | |
10051 | * - Free iocbs associated with this virtual port in | |
10052 | * the txq. | |
10053 | * - Send abort for all iocb commands associated with this | |
10054 | * vport in txcmplq. | |
10055 | * | |
10056 | * This function is called with no lock held and always returns 1. | |
10057 | **/ | |
92d7f7b0 JS |
10058 | int |
10059 | lpfc_sli_host_down(struct lpfc_vport *vport) | |
10060 | { | |
858c9f6c | 10061 | LIST_HEAD(completions); |
92d7f7b0 JS |
10062 | struct lpfc_hba *phba = vport->phba; |
10063 | struct lpfc_sli *psli = &phba->sli; | |
895427bd | 10064 | struct lpfc_queue *qp = NULL; |
92d7f7b0 JS |
10065 | struct lpfc_sli_ring *pring; |
10066 | struct lpfc_iocbq *iocb, *next_iocb; | |
92d7f7b0 JS |
10067 | int i; |
10068 | unsigned long flags = 0; | |
10069 | uint16_t prev_pring_flag; | |
10070 | ||
10071 | lpfc_cleanup_discovery_resources(vport); | |
10072 | ||
10073 | spin_lock_irqsave(&phba->hbalock, flags); | |
92d7f7b0 | 10074 | |
895427bd JS |
10075 | /* |
10076 | * Error everything on the txq since these iocbs | |
10077 | * have not been given to the FW yet. | |
10078 | * Also issue ABTS for everything on the txcmplq | |
10079 | */ | |
10080 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10081 | for (i = 0; i < psli->num_rings; i++) { | |
10082 | pring = &psli->sli3_ring[i]; | |
10083 | prev_pring_flag = pring->flag; | |
10084 | /* Only slow rings */ | |
10085 | if (pring->ringno == LPFC_ELS_RING) { | |
10086 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10087 | /* Set the lpfc data pending flag */ | |
10088 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10089 | } | |
10090 | list_for_each_entry_safe(iocb, next_iocb, | |
10091 | &pring->txq, list) { | |
10092 | if (iocb->vport != vport) | |
10093 | continue; | |
10094 | list_move_tail(&iocb->list, &completions); | |
10095 | } | |
10096 | list_for_each_entry_safe(iocb, next_iocb, | |
10097 | &pring->txcmplq, list) { | |
10098 | if (iocb->vport != vport) | |
10099 | continue; | |
10100 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10101 | } | |
10102 | pring->flag = prev_pring_flag; | |
10103 | } | |
10104 | } else { | |
10105 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10106 | pring = qp->pring; | |
10107 | if (!pring) | |
92d7f7b0 | 10108 | continue; |
895427bd JS |
10109 | if (pring == phba->sli4_hba.els_wq->pring) { |
10110 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10111 | /* Set the lpfc data pending flag */ | |
10112 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10113 | } | |
10114 | prev_pring_flag = pring->flag; | |
10115 | spin_lock_irq(&pring->ring_lock); | |
10116 | list_for_each_entry_safe(iocb, next_iocb, | |
10117 | &pring->txq, list) { | |
10118 | if (iocb->vport != vport) | |
10119 | continue; | |
10120 | list_move_tail(&iocb->list, &completions); | |
10121 | } | |
10122 | spin_unlock_irq(&pring->ring_lock); | |
10123 | list_for_each_entry_safe(iocb, next_iocb, | |
10124 | &pring->txcmplq, list) { | |
10125 | if (iocb->vport != vport) | |
10126 | continue; | |
10127 | lpfc_sli_issue_abort_iotag(phba, pring, iocb); | |
10128 | } | |
10129 | pring->flag = prev_pring_flag; | |
92d7f7b0 | 10130 | } |
92d7f7b0 | 10131 | } |
92d7f7b0 JS |
10132 | spin_unlock_irqrestore(&phba->hbalock, flags); |
10133 | ||
a257bf90 JS |
10134 | /* Cancel all the IOCBs from the completions list */ |
10135 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10136 | IOERR_SLI_DOWN); | |
92d7f7b0 JS |
10137 | return 1; |
10138 | } | |
10139 | ||
e59058c4 | 10140 | /** |
3621a710 | 10141 | * lpfc_sli_hba_down - Resource cleanup function for the HBA |
e59058c4 JS |
10142 | * @phba: Pointer to HBA context object. |
10143 | * | |
10144 | * This function cleans up all iocb, buffers, mailbox commands | |
10145 | * while shutting down the HBA. This function is called with no | |
10146 | * lock held and always returns 1. | |
10147 | * This function does the following to cleanup driver resources: | |
10148 | * - Free discovery resources for each virtual port | |
10149 | * - Cleanup any pending fabric iocbs | |
10150 | * - Iterate through the iocb txq and free each entry | |
10151 | * in the list. | |
10152 | * - Free up any buffer posted to the HBA | |
10153 | * - Free mailbox commands in the mailbox queue. | |
10154 | **/ | |
dea3101e | 10155 | int |
2e0fef85 | 10156 | lpfc_sli_hba_down(struct lpfc_hba *phba) |
dea3101e | 10157 | { |
2534ba75 | 10158 | LIST_HEAD(completions); |
2e0fef85 | 10159 | struct lpfc_sli *psli = &phba->sli; |
895427bd | 10160 | struct lpfc_queue *qp = NULL; |
dea3101e | 10161 | struct lpfc_sli_ring *pring; |
0ff10d46 | 10162 | struct lpfc_dmabuf *buf_ptr; |
dea3101e | 10163 | unsigned long flags = 0; |
04c68496 JS |
10164 | int i; |
10165 | ||
10166 | /* Shutdown the mailbox command sub-system */ | |
618a5230 | 10167 | lpfc_sli_mbox_sys_shutdown(phba, LPFC_MBX_WAIT); |
dea3101e | 10168 | |
dea3101e JB |
10169 | lpfc_hba_down_prep(phba); |
10170 | ||
92d7f7b0 JS |
10171 | lpfc_fabric_abort_hba(phba); |
10172 | ||
2e0fef85 | 10173 | spin_lock_irqsave(&phba->hbalock, flags); |
dea3101e | 10174 | |
895427bd JS |
10175 | /* |
10176 | * Error everything on the txq since these iocbs | |
10177 | * have not been given to the FW yet. | |
10178 | */ | |
10179 | if (phba->sli_rev != LPFC_SLI_REV4) { | |
10180 | for (i = 0; i < psli->num_rings; i++) { | |
10181 | pring = &psli->sli3_ring[i]; | |
10182 | /* Only slow rings */ | |
10183 | if (pring->ringno == LPFC_ELS_RING) { | |
10184 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10185 | /* Set the lpfc data pending flag */ | |
10186 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10187 | } | |
10188 | list_splice_init(&pring->txq, &completions); | |
10189 | } | |
10190 | } else { | |
10191 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10192 | pring = qp->pring; | |
10193 | if (!pring) | |
10194 | continue; | |
10195 | spin_lock_irq(&pring->ring_lock); | |
10196 | list_splice_init(&pring->txq, &completions); | |
10197 | spin_unlock_irq(&pring->ring_lock); | |
10198 | if (pring == phba->sli4_hba.els_wq->pring) { | |
10199 | pring->flag |= LPFC_DEFERRED_RING_EVENT; | |
10200 | /* Set the lpfc data pending flag */ | |
10201 | set_bit(LPFC_DATA_READY, &phba->data_flags); | |
10202 | } | |
10203 | } | |
2534ba75 | 10204 | } |
2e0fef85 | 10205 | spin_unlock_irqrestore(&phba->hbalock, flags); |
dea3101e | 10206 | |
a257bf90 JS |
10207 | /* Cancel all the IOCBs from the completions list */ |
10208 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
10209 | IOERR_SLI_DOWN); | |
dea3101e | 10210 | |
0ff10d46 JS |
10211 | spin_lock_irqsave(&phba->hbalock, flags); |
10212 | list_splice_init(&phba->elsbuf, &completions); | |
10213 | phba->elsbuf_cnt = 0; | |
10214 | phba->elsbuf_prev_cnt = 0; | |
10215 | spin_unlock_irqrestore(&phba->hbalock, flags); | |
10216 | ||
10217 | while (!list_empty(&completions)) { | |
10218 | list_remove_head(&completions, buf_ptr, | |
10219 | struct lpfc_dmabuf, list); | |
10220 | lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); | |
10221 | kfree(buf_ptr); | |
10222 | } | |
10223 | ||
dea3101e JB |
10224 | /* Return any active mbox cmds */ |
10225 | del_timer_sync(&psli->mbox_tmo); | |
2e0fef85 | 10226 | |
da0436e9 | 10227 | spin_lock_irqsave(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10228 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; |
da0436e9 | 10229 | spin_unlock_irqrestore(&phba->pport->work_port_lock, flags); |
2e0fef85 | 10230 | |
da0436e9 JS |
10231 | return 1; |
10232 | } | |
10233 | ||
e59058c4 | 10234 | /** |
3621a710 | 10235 | * lpfc_sli_pcimem_bcopy - SLI memory copy function |
e59058c4 JS |
10236 | * @srcp: Source memory pointer. |
10237 | * @destp: Destination memory pointer. | |
10238 | * @cnt: Number of words required to be copied. | |
10239 | * | |
10240 | * This function is used for copying data between driver memory | |
10241 | * and the SLI memory. This function also changes the endianness | |
10242 | * of each word if native endianness is different from SLI | |
10243 | * endianness. This function can be called with or without | |
10244 | * lock. | |
10245 | **/ | |
dea3101e JB |
10246 | void |
10247 | lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10248 | { | |
10249 | uint32_t *src = srcp; | |
10250 | uint32_t *dest = destp; | |
10251 | uint32_t ldata; | |
10252 | int i; | |
10253 | ||
10254 | for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) { | |
10255 | ldata = *src; | |
10256 | ldata = le32_to_cpu(ldata); | |
10257 | *dest = ldata; | |
10258 | src++; | |
10259 | dest++; | |
10260 | } | |
10261 | } | |
10262 | ||
e59058c4 | 10263 | |
a0c87cbd JS |
10264 | /** |
10265 | * lpfc_sli_bemem_bcopy - SLI memory copy function | |
10266 | * @srcp: Source memory pointer. | |
10267 | * @destp: Destination memory pointer. | |
10268 | * @cnt: Number of words required to be copied. | |
10269 | * | |
10270 | * This function is used for copying data between a data structure | |
10271 | * with big endian representation to local endianness. | |
10272 | * This function can be called with or without lock. | |
10273 | **/ | |
10274 | void | |
10275 | lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt) | |
10276 | { | |
10277 | uint32_t *src = srcp; | |
10278 | uint32_t *dest = destp; | |
10279 | uint32_t ldata; | |
10280 | int i; | |
10281 | ||
10282 | for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) { | |
10283 | ldata = *src; | |
10284 | ldata = be32_to_cpu(ldata); | |
10285 | *dest = ldata; | |
10286 | src++; | |
10287 | dest++; | |
10288 | } | |
10289 | } | |
10290 | ||
e59058c4 | 10291 | /** |
3621a710 | 10292 | * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq |
e59058c4 JS |
10293 | * @phba: Pointer to HBA context object. |
10294 | * @pring: Pointer to driver SLI ring object. | |
10295 | * @mp: Pointer to driver buffer object. | |
10296 | * | |
10297 | * This function is called with no lock held. | |
10298 | * It always return zero after adding the buffer to the postbufq | |
10299 | * buffer list. | |
10300 | **/ | |
dea3101e | 10301 | int |
2e0fef85 JS |
10302 | lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, |
10303 | struct lpfc_dmabuf *mp) | |
dea3101e JB |
10304 | { |
10305 | /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up | |
10306 | later */ | |
2e0fef85 | 10307 | spin_lock_irq(&phba->hbalock); |
dea3101e | 10308 | list_add_tail(&mp->list, &pring->postbufq); |
dea3101e | 10309 | pring->postbufq_cnt++; |
2e0fef85 | 10310 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
10311 | return 0; |
10312 | } | |
10313 | ||
e59058c4 | 10314 | /** |
3621a710 | 10315 | * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer |
e59058c4 JS |
10316 | * @phba: Pointer to HBA context object. |
10317 | * | |
10318 | * When HBQ is enabled, buffers are searched based on tags. This function | |
10319 | * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The | |
10320 | * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag | |
10321 | * does not conflict with tags of buffer posted for unsolicited events. | |
10322 | * The function returns the allocated tag. The function is called with | |
10323 | * no locks held. | |
10324 | **/ | |
76bb24ef JS |
10325 | uint32_t |
10326 | lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) | |
10327 | { | |
10328 | spin_lock_irq(&phba->hbalock); | |
10329 | phba->buffer_tag_count++; | |
10330 | /* | |
10331 | * Always set the QUE_BUFTAG_BIT to distiguish between | |
10332 | * a tag assigned by HBQ. | |
10333 | */ | |
10334 | phba->buffer_tag_count |= QUE_BUFTAG_BIT; | |
10335 | spin_unlock_irq(&phba->hbalock); | |
10336 | return phba->buffer_tag_count; | |
10337 | } | |
10338 | ||
e59058c4 | 10339 | /** |
3621a710 | 10340 | * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag |
e59058c4 JS |
10341 | * @phba: Pointer to HBA context object. |
10342 | * @pring: Pointer to driver SLI ring object. | |
10343 | * @tag: Buffer tag. | |
10344 | * | |
10345 | * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq | |
10346 | * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX | |
10347 | * iocb is posted to the response ring with the tag of the buffer. | |
10348 | * This function searches the pring->postbufq list using the tag | |
10349 | * to find buffer associated with CMD_IOCB_RET_XRI64_CX | |
10350 | * iocb. If the buffer is found then lpfc_dmabuf object of the | |
10351 | * buffer is returned to the caller else NULL is returned. | |
10352 | * This function is called with no lock held. | |
10353 | **/ | |
76bb24ef JS |
10354 | struct lpfc_dmabuf * |
10355 | lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10356 | uint32_t tag) | |
10357 | { | |
10358 | struct lpfc_dmabuf *mp, *next_mp; | |
10359 | struct list_head *slp = &pring->postbufq; | |
10360 | ||
25985edc | 10361 | /* Search postbufq, from the beginning, looking for a match on tag */ |
76bb24ef JS |
10362 | spin_lock_irq(&phba->hbalock); |
10363 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { | |
10364 | if (mp->buffer_tag == tag) { | |
10365 | list_del_init(&mp->list); | |
10366 | pring->postbufq_cnt--; | |
10367 | spin_unlock_irq(&phba->hbalock); | |
10368 | return mp; | |
10369 | } | |
10370 | } | |
10371 | ||
10372 | spin_unlock_irq(&phba->hbalock); | |
10373 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
d7c255b2 | 10374 | "0402 Cannot find virtual addr for buffer tag on " |
76bb24ef JS |
10375 | "ring %d Data x%lx x%p x%p x%x\n", |
10376 | pring->ringno, (unsigned long) tag, | |
10377 | slp->next, slp->prev, pring->postbufq_cnt); | |
10378 | ||
10379 | return NULL; | |
10380 | } | |
dea3101e | 10381 | |
e59058c4 | 10382 | /** |
3621a710 | 10383 | * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events |
e59058c4 JS |
10384 | * @phba: Pointer to HBA context object. |
10385 | * @pring: Pointer to driver SLI ring object. | |
10386 | * @phys: DMA address of the buffer. | |
10387 | * | |
10388 | * This function searches the buffer list using the dma_address | |
10389 | * of unsolicited event to find the driver's lpfc_dmabuf object | |
10390 | * corresponding to the dma_address. The function returns the | |
10391 | * lpfc_dmabuf object if a buffer is found else it returns NULL. | |
10392 | * This function is called by the ct and els unsolicited event | |
10393 | * handlers to get the buffer associated with the unsolicited | |
10394 | * event. | |
10395 | * | |
10396 | * This function is called with no lock held. | |
10397 | **/ | |
dea3101e JB |
10398 | struct lpfc_dmabuf * |
10399 | lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10400 | dma_addr_t phys) | |
10401 | { | |
10402 | struct lpfc_dmabuf *mp, *next_mp; | |
10403 | struct list_head *slp = &pring->postbufq; | |
10404 | ||
25985edc | 10405 | /* Search postbufq, from the beginning, looking for a match on phys */ |
2e0fef85 | 10406 | spin_lock_irq(&phba->hbalock); |
dea3101e JB |
10407 | list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { |
10408 | if (mp->phys == phys) { | |
10409 | list_del_init(&mp->list); | |
10410 | pring->postbufq_cnt--; | |
2e0fef85 | 10411 | spin_unlock_irq(&phba->hbalock); |
dea3101e JB |
10412 | return mp; |
10413 | } | |
10414 | } | |
10415 | ||
2e0fef85 | 10416 | spin_unlock_irq(&phba->hbalock); |
dea3101e | 10417 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
e8b62011 | 10418 | "0410 Cannot find virtual addr for mapped buf on " |
dea3101e | 10419 | "ring %d Data x%llx x%p x%p x%x\n", |
e8b62011 | 10420 | pring->ringno, (unsigned long long)phys, |
dea3101e JB |
10421 | slp->next, slp->prev, pring->postbufq_cnt); |
10422 | return NULL; | |
10423 | } | |
10424 | ||
e59058c4 | 10425 | /** |
3621a710 | 10426 | * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs |
e59058c4 JS |
10427 | * @phba: Pointer to HBA context object. |
10428 | * @cmdiocb: Pointer to driver command iocb object. | |
10429 | * @rspiocb: Pointer to driver response iocb object. | |
10430 | * | |
10431 | * This function is the completion handler for the abort iocbs for | |
10432 | * ELS commands. This function is called from the ELS ring event | |
10433 | * handler with no lock held. This function frees memory resources | |
10434 | * associated with the abort iocb. | |
10435 | **/ | |
dea3101e | 10436 | static void |
2e0fef85 JS |
10437 | lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
10438 | struct lpfc_iocbq *rspiocb) | |
dea3101e | 10439 | { |
2e0fef85 | 10440 | IOCB_t *irsp = &rspiocb->iocb; |
2680eeaa | 10441 | uint16_t abort_iotag, abort_context; |
ff78d8f9 | 10442 | struct lpfc_iocbq *abort_iocb = NULL; |
2680eeaa JS |
10443 | |
10444 | if (irsp->ulpStatus) { | |
ff78d8f9 JS |
10445 | |
10446 | /* | |
10447 | * Assume that the port already completed and returned, or | |
10448 | * will return the iocb. Just Log the message. | |
10449 | */ | |
2680eeaa JS |
10450 | abort_context = cmdiocb->iocb.un.acxri.abortContextTag; |
10451 | abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag; | |
10452 | ||
2e0fef85 | 10453 | spin_lock_irq(&phba->hbalock); |
45ed1190 JS |
10454 | if (phba->sli_rev < LPFC_SLI_REV4) { |
10455 | if (abort_iotag != 0 && | |
10456 | abort_iotag <= phba->sli.last_iotag) | |
10457 | abort_iocb = | |
10458 | phba->sli.iocbq_lookup[abort_iotag]; | |
10459 | } else | |
10460 | /* For sli4 the abort_tag is the XRI, | |
10461 | * so the abort routine puts the iotag of the iocb | |
10462 | * being aborted in the context field of the abort | |
10463 | * IOCB. | |
10464 | */ | |
10465 | abort_iocb = phba->sli.iocbq_lookup[abort_context]; | |
2680eeaa | 10466 | |
2a9bf3d0 JS |
10467 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI, |
10468 | "0327 Cannot abort els iocb %p " | |
10469 | "with tag %x context %x, abort status %x, " | |
10470 | "abort code %x\n", | |
10471 | abort_iocb, abort_iotag, abort_context, | |
10472 | irsp->ulpStatus, irsp->un.ulpWord[4]); | |
341af102 | 10473 | |
ff78d8f9 | 10474 | spin_unlock_irq(&phba->hbalock); |
2680eeaa | 10475 | } |
604a3e30 | 10476 | lpfc_sli_release_iocbq(phba, cmdiocb); |
dea3101e JB |
10477 | return; |
10478 | } | |
10479 | ||
e59058c4 | 10480 | /** |
3621a710 | 10481 | * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command |
e59058c4 JS |
10482 | * @phba: Pointer to HBA context object. |
10483 | * @cmdiocb: Pointer to driver command iocb object. | |
10484 | * @rspiocb: Pointer to driver response iocb object. | |
10485 | * | |
10486 | * The function is called from SLI ring event handler with no | |
10487 | * lock held. This function is the completion handler for ELS commands | |
10488 | * which are aborted. The function frees memory resources used for | |
10489 | * the aborted ELS commands. | |
10490 | **/ | |
92d7f7b0 JS |
10491 | static void |
10492 | lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
10493 | struct lpfc_iocbq *rspiocb) | |
10494 | { | |
10495 | IOCB_t *irsp = &rspiocb->iocb; | |
10496 | ||
10497 | /* ELS cmd tag <ulpIoTag> completes */ | |
10498 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, | |
d7c255b2 | 10499 | "0139 Ignoring ELS cmd tag x%x completion Data: " |
92d7f7b0 | 10500 | "x%x x%x x%x\n", |
e8b62011 | 10501 | irsp->ulpIoTag, irsp->ulpStatus, |
92d7f7b0 | 10502 | irsp->un.ulpWord[4], irsp->ulpTimeout); |
858c9f6c JS |
10503 | if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) |
10504 | lpfc_ct_free_iocb(phba, cmdiocb); | |
10505 | else | |
10506 | lpfc_els_free_iocb(phba, cmdiocb); | |
92d7f7b0 JS |
10507 | return; |
10508 | } | |
10509 | ||
e59058c4 | 10510 | /** |
5af5eee7 | 10511 | * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb |
e59058c4 JS |
10512 | * @phba: Pointer to HBA context object. |
10513 | * @pring: Pointer to driver SLI ring object. | |
10514 | * @cmdiocb: Pointer to driver command iocb object. | |
10515 | * | |
5af5eee7 JS |
10516 | * This function issues an abort iocb for the provided command iocb down to |
10517 | * the port. Other than the case the outstanding command iocb is an abort | |
10518 | * request, this function issues abort out unconditionally. This function is | |
10519 | * called with hbalock held. The function returns 0 when it fails due to | |
10520 | * memory allocation failure or when the command iocb is an abort request. | |
e59058c4 | 10521 | **/ |
5af5eee7 JS |
10522 | static int |
10523 | lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
2e0fef85 | 10524 | struct lpfc_iocbq *cmdiocb) |
dea3101e | 10525 | { |
2e0fef85 | 10526 | struct lpfc_vport *vport = cmdiocb->vport; |
0bd4ca25 | 10527 | struct lpfc_iocbq *abtsiocbp; |
dea3101e JB |
10528 | IOCB_t *icmd = NULL; |
10529 | IOCB_t *iabt = NULL; | |
5af5eee7 | 10530 | int retval; |
7e56aa25 | 10531 | unsigned long iflags; |
07951076 | 10532 | |
1c2ba475 JT |
10533 | lockdep_assert_held(&phba->hbalock); |
10534 | ||
92d7f7b0 JS |
10535 | /* |
10536 | * There are certain command types we don't want to abort. And we | |
10537 | * don't want to abort commands that are already in the process of | |
10538 | * being aborted. | |
07951076 JS |
10539 | */ |
10540 | icmd = &cmdiocb->iocb; | |
2e0fef85 | 10541 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || |
92d7f7b0 JS |
10542 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || |
10543 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
07951076 JS |
10544 | return 0; |
10545 | ||
dea3101e | 10546 | /* issue ABTS for this IOCB based on iotag */ |
92d7f7b0 | 10547 | abtsiocbp = __lpfc_sli_get_iocbq(phba); |
dea3101e JB |
10548 | if (abtsiocbp == NULL) |
10549 | return 0; | |
dea3101e | 10550 | |
07951076 | 10551 | /* This signals the response to set the correct status |
341af102 | 10552 | * before calling the completion handler |
07951076 JS |
10553 | */ |
10554 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
10555 | ||
dea3101e | 10556 | iabt = &abtsiocbp->iocb; |
07951076 JS |
10557 | iabt->un.acxri.abortType = ABORT_TYPE_ABTS; |
10558 | iabt->un.acxri.abortContextTag = icmd->ulpContext; | |
45ed1190 | 10559 | if (phba->sli_rev == LPFC_SLI_REV4) { |
da0436e9 | 10560 | iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag; |
45ed1190 JS |
10561 | iabt->un.acxri.abortContextTag = cmdiocb->iotag; |
10562 | } | |
da0436e9 JS |
10563 | else |
10564 | iabt->un.acxri.abortIoTag = icmd->ulpIoTag; | |
07951076 JS |
10565 | iabt->ulpLe = 1; |
10566 | iabt->ulpClass = icmd->ulpClass; | |
dea3101e | 10567 | |
5ffc266e | 10568 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 10569 | abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx; |
341af102 JS |
10570 | if (cmdiocb->iocb_flag & LPFC_IO_FCP) |
10571 | abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
10572 | if (cmdiocb->iocb_flag & LPFC_IO_FOF) |
10573 | abtsiocbp->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 10574 | |
2e0fef85 | 10575 | if (phba->link_state >= LPFC_LINK_UP) |
07951076 JS |
10576 | iabt->ulpCommand = CMD_ABORT_XRI_CN; |
10577 | else | |
10578 | iabt->ulpCommand = CMD_CLOSE_XRI_CN; | |
dea3101e | 10579 | |
07951076 | 10580 | abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl; |
e6c6acc0 | 10581 | abtsiocbp->vport = vport; |
5b8bd0c9 | 10582 | |
e8b62011 JS |
10583 | lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI, |
10584 | "0339 Abort xri x%x, original iotag x%x, " | |
10585 | "abort cmd iotag x%x\n", | |
2a9bf3d0 | 10586 | iabt->un.acxri.abortIoTag, |
e8b62011 | 10587 | iabt->un.acxri.abortContextTag, |
2a9bf3d0 | 10588 | abtsiocbp->iotag); |
7e56aa25 JS |
10589 | |
10590 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
895427bd JS |
10591 | pring = lpfc_sli4_calc_ring(phba, abtsiocbp); |
10592 | if (unlikely(pring == NULL)) | |
9bd2bff5 | 10593 | return 0; |
7e56aa25 JS |
10594 | /* Note: both hbalock and ring_lock need to be set here */ |
10595 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
10596 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
10597 | abtsiocbp, 0); | |
10598 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
10599 | } else { | |
10600 | retval = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
10601 | abtsiocbp, 0); | |
10602 | } | |
dea3101e | 10603 | |
d7c255b2 JS |
10604 | if (retval) |
10605 | __lpfc_sli_release_iocbq(phba, abtsiocbp); | |
5af5eee7 JS |
10606 | |
10607 | /* | |
10608 | * Caller to this routine should check for IOCB_ERROR | |
10609 | * and handle it properly. This routine no longer removes | |
10610 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
10611 | */ | |
10612 | return retval; | |
10613 | } | |
10614 | ||
10615 | /** | |
10616 | * lpfc_sli_issue_abort_iotag - Abort function for a command iocb | |
10617 | * @phba: Pointer to HBA context object. | |
10618 | * @pring: Pointer to driver SLI ring object. | |
10619 | * @cmdiocb: Pointer to driver command iocb object. | |
10620 | * | |
10621 | * This function issues an abort iocb for the provided command iocb. In case | |
10622 | * of unloading, the abort iocb will not be issued to commands on the ELS | |
10623 | * ring. Instead, the callback function shall be changed to those commands | |
10624 | * so that nothing happens when them finishes. This function is called with | |
10625 | * hbalock held. The function returns 0 when the command iocb is an abort | |
10626 | * request. | |
10627 | **/ | |
10628 | int | |
10629 | lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10630 | struct lpfc_iocbq *cmdiocb) | |
10631 | { | |
10632 | struct lpfc_vport *vport = cmdiocb->vport; | |
10633 | int retval = IOCB_ERROR; | |
10634 | IOCB_t *icmd = NULL; | |
10635 | ||
1c2ba475 JT |
10636 | lockdep_assert_held(&phba->hbalock); |
10637 | ||
5af5eee7 JS |
10638 | /* |
10639 | * There are certain command types we don't want to abort. And we | |
10640 | * don't want to abort commands that are already in the process of | |
10641 | * being aborted. | |
10642 | */ | |
10643 | icmd = &cmdiocb->iocb; | |
10644 | if (icmd->ulpCommand == CMD_ABORT_XRI_CN || | |
10645 | icmd->ulpCommand == CMD_CLOSE_XRI_CN || | |
10646 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
10647 | return 0; | |
10648 | ||
1234a6d5 DK |
10649 | if (!pring) { |
10650 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
10651 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
10652 | else | |
10653 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
10654 | goto abort_iotag_exit; | |
10655 | } | |
10656 | ||
5af5eee7 JS |
10657 | /* |
10658 | * If we're unloading, don't abort iocb on the ELS ring, but change | |
10659 | * the callback so that nothing happens when it finishes. | |
10660 | */ | |
10661 | if ((vport->load_flag & FC_UNLOADING) && | |
10662 | (pring->ringno == LPFC_ELS_RING)) { | |
10663 | if (cmdiocb->iocb_flag & LPFC_IO_FABRIC) | |
10664 | cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl; | |
10665 | else | |
10666 | cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl; | |
10667 | goto abort_iotag_exit; | |
10668 | } | |
10669 | ||
10670 | /* Now, we try to issue the abort to the cmdiocb out */ | |
10671 | retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb); | |
10672 | ||
07951076 | 10673 | abort_iotag_exit: |
2e0fef85 JS |
10674 | /* |
10675 | * Caller to this routine should check for IOCB_ERROR | |
10676 | * and handle it properly. This routine no longer removes | |
10677 | * iocb off txcmplq and call compl in case of IOCB_ERROR. | |
07951076 | 10678 | */ |
2e0fef85 | 10679 | return retval; |
dea3101e JB |
10680 | } |
10681 | ||
895427bd JS |
10682 | /** |
10683 | * lpfc_sli4_abort_nvme_io - Issue abort for a command iocb | |
10684 | * @phba: Pointer to HBA context object. | |
10685 | * @pring: Pointer to driver SLI ring object. | |
10686 | * @cmdiocb: Pointer to driver command iocb object. | |
10687 | * | |
10688 | * This function issues an abort iocb for the provided command iocb down to | |
10689 | * the port. Other than the case the outstanding command iocb is an abort | |
10690 | * request, this function issues abort out unconditionally. This function is | |
10691 | * called with hbalock held. The function returns 0 when it fails due to | |
10692 | * memory allocation failure or when the command iocb is an abort request. | |
10693 | **/ | |
10694 | static int | |
10695 | lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, | |
10696 | struct lpfc_iocbq *cmdiocb) | |
10697 | { | |
10698 | struct lpfc_vport *vport = cmdiocb->vport; | |
10699 | struct lpfc_iocbq *abtsiocbp; | |
10700 | union lpfc_wqe *abts_wqe; | |
10701 | int retval; | |
10702 | ||
10703 | /* | |
10704 | * There are certain command types we don't want to abort. And we | |
10705 | * don't want to abort commands that are already in the process of | |
10706 | * being aborted. | |
10707 | */ | |
10708 | if (cmdiocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || | |
10709 | cmdiocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN || | |
10710 | (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0) | |
10711 | return 0; | |
10712 | ||
10713 | /* issue ABTS for this io based on iotag */ | |
10714 | abtsiocbp = __lpfc_sli_get_iocbq(phba); | |
10715 | if (abtsiocbp == NULL) | |
10716 | return 0; | |
10717 | ||
10718 | /* This signals the response to set the correct status | |
10719 | * before calling the completion handler | |
10720 | */ | |
10721 | cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED; | |
10722 | ||
10723 | /* Complete prepping the abort wqe and issue to the FW. */ | |
10724 | abts_wqe = &abtsiocbp->wqe; | |
10725 | bf_set(abort_cmd_ia, &abts_wqe->abort_cmd, 0); | |
10726 | bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG); | |
10727 | ||
10728 | /* Explicitly set reserved fields to zero.*/ | |
10729 | abts_wqe->abort_cmd.rsrvd4 = 0; | |
10730 | abts_wqe->abort_cmd.rsrvd5 = 0; | |
10731 | ||
10732 | /* WQE Common - word 6. Context is XRI tag. Set 0. */ | |
10733 | bf_set(wqe_xri_tag, &abts_wqe->abort_cmd.wqe_com, 0); | |
10734 | bf_set(wqe_ctxt_tag, &abts_wqe->abort_cmd.wqe_com, 0); | |
10735 | ||
10736 | /* word 7 */ | |
10737 | bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0); | |
10738 | bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX); | |
10739 | bf_set(wqe_class, &abts_wqe->abort_cmd.wqe_com, | |
10740 | cmdiocb->iocb.ulpClass); | |
10741 | ||
10742 | /* word 8 - tell the FW to abort the IO associated with this | |
10743 | * outstanding exchange ID. | |
10744 | */ | |
10745 | abts_wqe->abort_cmd.wqe_com.abort_tag = cmdiocb->sli4_xritag; | |
10746 | ||
10747 | /* word 9 - this is the iotag for the abts_wqe completion. */ | |
10748 | bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com, | |
10749 | abtsiocbp->iotag); | |
10750 | ||
10751 | /* word 10 */ | |
10752 | bf_set(wqe_wqid, &abts_wqe->abort_cmd.wqe_com, cmdiocb->hba_wqidx); | |
10753 | bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1); | |
10754 | bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE); | |
10755 | ||
10756 | /* word 11 */ | |
10757 | bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND); | |
10758 | bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1); | |
10759 | bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT); | |
10760 | ||
10761 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
10762 | abtsiocbp->iocb_flag |= LPFC_IO_NVME; | |
10763 | abtsiocbp->vport = vport; | |
01649561 | 10764 | abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl; |
895427bd | 10765 | retval = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abtsiocbp); |
cd22d605 | 10766 | if (retval) { |
895427bd JS |
10767 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, |
10768 | "6147 Failed abts issue_wqe with status x%x " | |
10769 | "for oxid x%x\n", | |
10770 | retval, cmdiocb->sli4_xritag); | |
10771 | lpfc_sli_release_iocbq(phba, abtsiocbp); | |
10772 | return retval; | |
10773 | } | |
10774 | ||
10775 | lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME, | |
10776 | "6148 Drv Abort NVME Request Issued for " | |
10777 | "ox_id x%x on reqtag x%x\n", | |
10778 | cmdiocb->sli4_xritag, | |
10779 | abtsiocbp->iotag); | |
10780 | ||
10781 | return retval; | |
10782 | } | |
10783 | ||
5af5eee7 JS |
10784 | /** |
10785 | * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba. | |
10786 | * @phba: pointer to lpfc HBA data structure. | |
10787 | * | |
10788 | * This routine will abort all pending and outstanding iocbs to an HBA. | |
10789 | **/ | |
10790 | void | |
10791 | lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba) | |
10792 | { | |
10793 | struct lpfc_sli *psli = &phba->sli; | |
10794 | struct lpfc_sli_ring *pring; | |
895427bd | 10795 | struct lpfc_queue *qp = NULL; |
5af5eee7 JS |
10796 | int i; |
10797 | ||
895427bd JS |
10798 | if (phba->sli_rev != LPFC_SLI_REV4) { |
10799 | for (i = 0; i < psli->num_rings; i++) { | |
10800 | pring = &psli->sli3_ring[i]; | |
10801 | lpfc_sli_abort_iocb_ring(phba, pring); | |
10802 | } | |
10803 | return; | |
10804 | } | |
10805 | list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) { | |
10806 | pring = qp->pring; | |
10807 | if (!pring) | |
10808 | continue; | |
db55fba8 | 10809 | lpfc_sli_abort_iocb_ring(phba, pring); |
5af5eee7 JS |
10810 | } |
10811 | } | |
10812 | ||
e59058c4 | 10813 | /** |
3621a710 | 10814 | * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN |
e59058c4 JS |
10815 | * @iocbq: Pointer to driver iocb object. |
10816 | * @vport: Pointer to driver virtual port object. | |
10817 | * @tgt_id: SCSI ID of the target. | |
10818 | * @lun_id: LUN ID of the scsi device. | |
10819 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST | |
10820 | * | |
3621a710 | 10821 | * This function acts as an iocb filter for functions which abort or count |
e59058c4 JS |
10822 | * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return |
10823 | * 0 if the filtering criteria is met for the given iocb and will return | |
10824 | * 1 if the filtering criteria is not met. | |
10825 | * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the | |
10826 | * given iocb is for the SCSI device specified by vport, tgt_id and | |
10827 | * lun_id parameter. | |
10828 | * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the | |
10829 | * given iocb is for the SCSI target specified by vport and tgt_id | |
10830 | * parameters. | |
10831 | * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the | |
10832 | * given iocb is for the SCSI host associated with the given vport. | |
10833 | * This function is called with no locks held. | |
10834 | **/ | |
dea3101e | 10835 | static int |
51ef4c26 JS |
10836 | lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport, |
10837 | uint16_t tgt_id, uint64_t lun_id, | |
0bd4ca25 | 10838 | lpfc_ctx_cmd ctx_cmd) |
dea3101e | 10839 | { |
0bd4ca25 | 10840 | struct lpfc_scsi_buf *lpfc_cmd; |
dea3101e JB |
10841 | int rc = 1; |
10842 | ||
0bd4ca25 JSEC |
10843 | if (!(iocbq->iocb_flag & LPFC_IO_FCP)) |
10844 | return rc; | |
10845 | ||
51ef4c26 JS |
10846 | if (iocbq->vport != vport) |
10847 | return rc; | |
10848 | ||
0bd4ca25 | 10849 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
0bd4ca25 | 10850 | |
495a714c | 10851 | if (lpfc_cmd->pCmd == NULL) |
dea3101e JB |
10852 | return rc; |
10853 | ||
10854 | switch (ctx_cmd) { | |
10855 | case LPFC_CTX_LUN: | |
495a714c JS |
10856 | if ((lpfc_cmd->rdata->pnode) && |
10857 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id) && | |
10858 | (scsilun_to_int(&lpfc_cmd->fcp_cmnd->fcp_lun) == lun_id)) | |
dea3101e JB |
10859 | rc = 0; |
10860 | break; | |
10861 | case LPFC_CTX_TGT: | |
495a714c JS |
10862 | if ((lpfc_cmd->rdata->pnode) && |
10863 | (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id)) | |
dea3101e JB |
10864 | rc = 0; |
10865 | break; | |
dea3101e JB |
10866 | case LPFC_CTX_HOST: |
10867 | rc = 0; | |
10868 | break; | |
10869 | default: | |
10870 | printk(KERN_ERR "%s: Unknown context cmd type, value %d\n", | |
cadbd4a5 | 10871 | __func__, ctx_cmd); |
dea3101e JB |
10872 | break; |
10873 | } | |
10874 | ||
10875 | return rc; | |
10876 | } | |
10877 | ||
e59058c4 | 10878 | /** |
3621a710 | 10879 | * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending |
e59058c4 JS |
10880 | * @vport: Pointer to virtual port. |
10881 | * @tgt_id: SCSI ID of the target. | |
10882 | * @lun_id: LUN ID of the scsi device. | |
10883 | * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
10884 | * | |
10885 | * This function returns number of FCP commands pending for the vport. | |
10886 | * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP | |
10887 | * commands pending on the vport associated with SCSI device specified | |
10888 | * by tgt_id and lun_id parameters. | |
10889 | * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP | |
10890 | * commands pending on the vport associated with SCSI target specified | |
10891 | * by tgt_id parameter. | |
10892 | * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP | |
10893 | * commands pending on the vport. | |
10894 | * This function returns the number of iocbs which satisfy the filter. | |
10895 | * This function is called without any lock held. | |
10896 | **/ | |
dea3101e | 10897 | int |
51ef4c26 JS |
10898 | lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id, |
10899 | lpfc_ctx_cmd ctx_cmd) | |
dea3101e | 10900 | { |
51ef4c26 | 10901 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
10902 | struct lpfc_iocbq *iocbq; |
10903 | int sum, i; | |
dea3101e | 10904 | |
31979008 | 10905 | spin_lock_irq(&phba->hbalock); |
0bd4ca25 JSEC |
10906 | for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) { |
10907 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 10908 | |
51ef4c26 JS |
10909 | if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id, |
10910 | ctx_cmd) == 0) | |
0bd4ca25 | 10911 | sum++; |
dea3101e | 10912 | } |
31979008 | 10913 | spin_unlock_irq(&phba->hbalock); |
0bd4ca25 | 10914 | |
dea3101e JB |
10915 | return sum; |
10916 | } | |
10917 | ||
e59058c4 | 10918 | /** |
3621a710 | 10919 | * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs |
e59058c4 JS |
10920 | * @phba: Pointer to HBA context object |
10921 | * @cmdiocb: Pointer to command iocb object. | |
10922 | * @rspiocb: Pointer to response iocb object. | |
10923 | * | |
10924 | * This function is called when an aborted FCP iocb completes. This | |
10925 | * function is called by the ring event handler with no lock held. | |
10926 | * This function frees the iocb. | |
10927 | **/ | |
5eb95af0 | 10928 | void |
2e0fef85 JS |
10929 | lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, |
10930 | struct lpfc_iocbq *rspiocb) | |
5eb95af0 | 10931 | { |
cb69f7de | 10932 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
8e668af5 | 10933 | "3096 ABORT_XRI_CN completing on rpi x%x " |
cb69f7de JS |
10934 | "original iotag x%x, abort cmd iotag x%x " |
10935 | "status 0x%x, reason 0x%x\n", | |
10936 | cmdiocb->iocb.un.acxri.abortContextTag, | |
10937 | cmdiocb->iocb.un.acxri.abortIoTag, | |
10938 | cmdiocb->iotag, rspiocb->iocb.ulpStatus, | |
10939 | rspiocb->iocb.un.ulpWord[4]); | |
604a3e30 | 10940 | lpfc_sli_release_iocbq(phba, cmdiocb); |
5eb95af0 JSEC |
10941 | return; |
10942 | } | |
10943 | ||
e59058c4 | 10944 | /** |
3621a710 | 10945 | * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN |
e59058c4 JS |
10946 | * @vport: Pointer to virtual port. |
10947 | * @pring: Pointer to driver SLI ring object. | |
10948 | * @tgt_id: SCSI ID of the target. | |
10949 | * @lun_id: LUN ID of the scsi device. | |
10950 | * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
10951 | * | |
10952 | * This function sends an abort command for every SCSI command | |
10953 | * associated with the given virtual port pending on the ring | |
10954 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
10955 | * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
10956 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
10957 | * parameters | |
10958 | * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
10959 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
10960 | * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all | |
10961 | * FCP iocbs associated with virtual port. | |
10962 | * This function returns number of iocbs it failed to abort. | |
10963 | * This function is called with no locks held. | |
10964 | **/ | |
dea3101e | 10965 | int |
51ef4c26 JS |
10966 | lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, |
10967 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd) | |
dea3101e | 10968 | { |
51ef4c26 | 10969 | struct lpfc_hba *phba = vport->phba; |
0bd4ca25 JSEC |
10970 | struct lpfc_iocbq *iocbq; |
10971 | struct lpfc_iocbq *abtsiocb; | |
ecbb227e | 10972 | struct lpfc_sli_ring *pring_s4; |
dea3101e | 10973 | IOCB_t *cmd = NULL; |
dea3101e | 10974 | int errcnt = 0, ret_val = 0; |
0bd4ca25 | 10975 | int i; |
dea3101e | 10976 | |
0bd4ca25 JSEC |
10977 | for (i = 1; i <= phba->sli.last_iotag; i++) { |
10978 | iocbq = phba->sli.iocbq_lookup[i]; | |
dea3101e | 10979 | |
51ef4c26 | 10980 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, |
2e0fef85 | 10981 | abort_cmd) != 0) |
dea3101e JB |
10982 | continue; |
10983 | ||
afbd8d88 JS |
10984 | /* |
10985 | * If the iocbq is already being aborted, don't take a second | |
10986 | * action, but do count it. | |
10987 | */ | |
10988 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
10989 | continue; | |
10990 | ||
dea3101e | 10991 | /* issue ABTS for this IOCB based on iotag */ |
0bd4ca25 | 10992 | abtsiocb = lpfc_sli_get_iocbq(phba); |
dea3101e JB |
10993 | if (abtsiocb == NULL) { |
10994 | errcnt++; | |
10995 | continue; | |
10996 | } | |
dea3101e | 10997 | |
afbd8d88 JS |
10998 | /* indicate the IO is being aborted by the driver. */ |
10999 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11000 | ||
0bd4ca25 | 11001 | cmd = &iocbq->iocb; |
dea3101e JB |
11002 | abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; |
11003 | abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext; | |
da0436e9 JS |
11004 | if (phba->sli_rev == LPFC_SLI_REV4) |
11005 | abtsiocb->iocb.un.acxri.abortIoTag = iocbq->sli4_xritag; | |
11006 | else | |
11007 | abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag; | |
dea3101e JB |
11008 | abtsiocb->iocb.ulpLe = 1; |
11009 | abtsiocb->iocb.ulpClass = cmd->ulpClass; | |
afbd8d88 | 11010 | abtsiocb->vport = vport; |
dea3101e | 11011 | |
5ffc266e | 11012 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ |
895427bd | 11013 | abtsiocb->hba_wqidx = iocbq->hba_wqidx; |
341af102 JS |
11014 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11015 | abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11016 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11017 | abtsiocb->iocb_flag |= LPFC_IO_FOF; | |
5ffc266e | 11018 | |
2e0fef85 | 11019 | if (lpfc_is_link_up(phba)) |
dea3101e JB |
11020 | abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11021 | else | |
11022 | abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11023 | ||
5eb95af0 JSEC |
11024 | /* Setup callback routine and issue the command. */ |
11025 | abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
ecbb227e JS |
11026 | if (phba->sli_rev == LPFC_SLI_REV4) { |
11027 | pring_s4 = lpfc_sli4_calc_ring(phba, iocbq); | |
11028 | if (!pring_s4) | |
11029 | continue; | |
11030 | ret_val = lpfc_sli_issue_iocb(phba, pring_s4->ringno, | |
11031 | abtsiocb, 0); | |
11032 | } else | |
11033 | ret_val = lpfc_sli_issue_iocb(phba, pring->ringno, | |
11034 | abtsiocb, 0); | |
dea3101e | 11035 | if (ret_val == IOCB_ERROR) { |
604a3e30 | 11036 | lpfc_sli_release_iocbq(phba, abtsiocb); |
dea3101e JB |
11037 | errcnt++; |
11038 | continue; | |
11039 | } | |
11040 | } | |
11041 | ||
11042 | return errcnt; | |
11043 | } | |
11044 | ||
98912dda JS |
11045 | /** |
11046 | * lpfc_sli_abort_taskmgmt - issue abort for all commands on a host/target/LUN | |
11047 | * @vport: Pointer to virtual port. | |
11048 | * @pring: Pointer to driver SLI ring object. | |
11049 | * @tgt_id: SCSI ID of the target. | |
11050 | * @lun_id: LUN ID of the scsi device. | |
11051 | * @taskmgmt_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST. | |
11052 | * | |
11053 | * This function sends an abort command for every SCSI command | |
11054 | * associated with the given virtual port pending on the ring | |
11055 | * filtered by lpfc_sli_validate_fcp_iocb function. | |
11056 | * When taskmgmt_cmd == LPFC_CTX_LUN, the function sends abort only to the | |
11057 | * FCP iocbs associated with lun specified by tgt_id and lun_id | |
11058 | * parameters | |
11059 | * When taskmgmt_cmd == LPFC_CTX_TGT, the function sends abort only to the | |
11060 | * FCP iocbs associated with SCSI target specified by tgt_id parameter. | |
11061 | * When taskmgmt_cmd == LPFC_CTX_HOST, the function sends abort to all | |
11062 | * FCP iocbs associated with virtual port. | |
11063 | * This function returns number of iocbs it aborted . | |
11064 | * This function is called with no locks held right after a taskmgmt | |
11065 | * command is sent. | |
11066 | **/ | |
11067 | int | |
11068 | lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring, | |
11069 | uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd cmd) | |
11070 | { | |
11071 | struct lpfc_hba *phba = vport->phba; | |
8c50d25c | 11072 | struct lpfc_scsi_buf *lpfc_cmd; |
98912dda | 11073 | struct lpfc_iocbq *abtsiocbq; |
8c50d25c | 11074 | struct lpfc_nodelist *ndlp; |
98912dda JS |
11075 | struct lpfc_iocbq *iocbq; |
11076 | IOCB_t *icmd; | |
11077 | int sum, i, ret_val; | |
11078 | unsigned long iflags; | |
11079 | struct lpfc_sli_ring *pring_s4; | |
98912dda JS |
11080 | |
11081 | spin_lock_irq(&phba->hbalock); | |
11082 | ||
11083 | /* all I/Os are in process of being flushed */ | |
11084 | if (phba->hba_flag & HBA_FCP_IOQ_FLUSH) { | |
11085 | spin_unlock_irq(&phba->hbalock); | |
11086 | return 0; | |
11087 | } | |
11088 | sum = 0; | |
11089 | ||
11090 | for (i = 1; i <= phba->sli.last_iotag; i++) { | |
11091 | iocbq = phba->sli.iocbq_lookup[i]; | |
11092 | ||
11093 | if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id, | |
11094 | cmd) != 0) | |
11095 | continue; | |
11096 | ||
11097 | /* | |
11098 | * If the iocbq is already being aborted, don't take a second | |
11099 | * action, but do count it. | |
11100 | */ | |
11101 | if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED) | |
11102 | continue; | |
11103 | ||
11104 | /* issue ABTS for this IOCB based on iotag */ | |
11105 | abtsiocbq = __lpfc_sli_get_iocbq(phba); | |
11106 | if (abtsiocbq == NULL) | |
11107 | continue; | |
11108 | ||
11109 | icmd = &iocbq->iocb; | |
11110 | abtsiocbq->iocb.un.acxri.abortType = ABORT_TYPE_ABTS; | |
11111 | abtsiocbq->iocb.un.acxri.abortContextTag = icmd->ulpContext; | |
11112 | if (phba->sli_rev == LPFC_SLI_REV4) | |
11113 | abtsiocbq->iocb.un.acxri.abortIoTag = | |
11114 | iocbq->sli4_xritag; | |
11115 | else | |
11116 | abtsiocbq->iocb.un.acxri.abortIoTag = icmd->ulpIoTag; | |
11117 | abtsiocbq->iocb.ulpLe = 1; | |
11118 | abtsiocbq->iocb.ulpClass = icmd->ulpClass; | |
11119 | abtsiocbq->vport = vport; | |
11120 | ||
11121 | /* ABTS WQE must go to the same WQ as the WQE to be aborted */ | |
895427bd | 11122 | abtsiocbq->hba_wqidx = iocbq->hba_wqidx; |
98912dda JS |
11123 | if (iocbq->iocb_flag & LPFC_IO_FCP) |
11124 | abtsiocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
9bd2bff5 JS |
11125 | if (iocbq->iocb_flag & LPFC_IO_FOF) |
11126 | abtsiocbq->iocb_flag |= LPFC_IO_FOF; | |
98912dda | 11127 | |
8c50d25c JS |
11128 | lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq); |
11129 | ndlp = lpfc_cmd->rdata->pnode; | |
11130 | ||
11131 | if (lpfc_is_link_up(phba) && | |
11132 | (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE)) | |
98912dda JS |
11133 | abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN; |
11134 | else | |
11135 | abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN; | |
11136 | ||
11137 | /* Setup callback routine and issue the command. */ | |
11138 | abtsiocbq->iocb_cmpl = lpfc_sli_abort_fcp_cmpl; | |
11139 | ||
11140 | /* | |
11141 | * Indicate the IO is being aborted by the driver and set | |
11142 | * the caller's flag into the aborted IO. | |
11143 | */ | |
11144 | iocbq->iocb_flag |= LPFC_DRIVER_ABORTED; | |
11145 | ||
11146 | if (phba->sli_rev == LPFC_SLI_REV4) { | |
895427bd JS |
11147 | pring_s4 = lpfc_sli4_calc_ring(phba, iocbq); |
11148 | if (pring_s4 == NULL) | |
11149 | continue; | |
98912dda JS |
11150 | /* Note: both hbalock and ring_lock must be set here */ |
11151 | spin_lock_irqsave(&pring_s4->ring_lock, iflags); | |
11152 | ret_val = __lpfc_sli_issue_iocb(phba, pring_s4->ringno, | |
11153 | abtsiocbq, 0); | |
11154 | spin_unlock_irqrestore(&pring_s4->ring_lock, iflags); | |
11155 | } else { | |
11156 | ret_val = __lpfc_sli_issue_iocb(phba, pring->ringno, | |
11157 | abtsiocbq, 0); | |
11158 | } | |
11159 | ||
11160 | ||
11161 | if (ret_val == IOCB_ERROR) | |
11162 | __lpfc_sli_release_iocbq(phba, abtsiocbq); | |
11163 | else | |
11164 | sum++; | |
11165 | } | |
11166 | spin_unlock_irq(&phba->hbalock); | |
11167 | return sum; | |
11168 | } | |
11169 | ||
e59058c4 | 11170 | /** |
3621a710 | 11171 | * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler |
e59058c4 JS |
11172 | * @phba: Pointer to HBA context object. |
11173 | * @cmdiocbq: Pointer to command iocb. | |
11174 | * @rspiocbq: Pointer to response iocb. | |
11175 | * | |
11176 | * This function is the completion handler for iocbs issued using | |
11177 | * lpfc_sli_issue_iocb_wait function. This function is called by the | |
11178 | * ring event handler function without any lock held. This function | |
11179 | * can be called from both worker thread context and interrupt | |
11180 | * context. This function also can be called from other thread which | |
11181 | * cleans up the SLI layer objects. | |
11182 | * This function copy the contents of the response iocb to the | |
11183 | * response iocb memory object provided by the caller of | |
11184 | * lpfc_sli_issue_iocb_wait and then wakes up the thread which | |
11185 | * sleeps for the iocb completion. | |
11186 | **/ | |
68876920 JSEC |
11187 | static void |
11188 | lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba, | |
11189 | struct lpfc_iocbq *cmdiocbq, | |
11190 | struct lpfc_iocbq *rspiocbq) | |
dea3101e | 11191 | { |
68876920 JSEC |
11192 | wait_queue_head_t *pdone_q; |
11193 | unsigned long iflags; | |
0f65ff68 | 11194 | struct lpfc_scsi_buf *lpfc_cmd; |
dea3101e | 11195 | |
2e0fef85 | 11196 | spin_lock_irqsave(&phba->hbalock, iflags); |
5a0916b4 JS |
11197 | if (cmdiocbq->iocb_flag & LPFC_IO_WAKE_TMO) { |
11198 | ||
11199 | /* | |
11200 | * A time out has occurred for the iocb. If a time out | |
11201 | * completion handler has been supplied, call it. Otherwise, | |
11202 | * just free the iocbq. | |
11203 | */ | |
11204 | ||
11205 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11206 | cmdiocbq->iocb_cmpl = cmdiocbq->wait_iocb_cmpl; | |
11207 | cmdiocbq->wait_iocb_cmpl = NULL; | |
11208 | if (cmdiocbq->iocb_cmpl) | |
11209 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, NULL); | |
11210 | else | |
11211 | lpfc_sli_release_iocbq(phba, cmdiocbq); | |
11212 | return; | |
11213 | } | |
11214 | ||
68876920 JSEC |
11215 | cmdiocbq->iocb_flag |= LPFC_IO_WAKE; |
11216 | if (cmdiocbq->context2 && rspiocbq) | |
11217 | memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb, | |
11218 | &rspiocbq->iocb, sizeof(IOCB_t)); | |
11219 | ||
0f65ff68 JS |
11220 | /* Set the exchange busy flag for task management commands */ |
11221 | if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) && | |
11222 | !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) { | |
11223 | lpfc_cmd = container_of(cmdiocbq, struct lpfc_scsi_buf, | |
11224 | cur_iocbq); | |
11225 | lpfc_cmd->exch_busy = rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY; | |
11226 | } | |
11227 | ||
68876920 | 11228 | pdone_q = cmdiocbq->context_un.wait_queue; |
68876920 JSEC |
11229 | if (pdone_q) |
11230 | wake_up(pdone_q); | |
858c9f6c | 11231 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
dea3101e JB |
11232 | return; |
11233 | } | |
11234 | ||
d11e31dd JS |
11235 | /** |
11236 | * lpfc_chk_iocb_flg - Test IOCB flag with lock held. | |
11237 | * @phba: Pointer to HBA context object.. | |
11238 | * @piocbq: Pointer to command iocb. | |
11239 | * @flag: Flag to test. | |
11240 | * | |
11241 | * This routine grabs the hbalock and then test the iocb_flag to | |
11242 | * see if the passed in flag is set. | |
11243 | * Returns: | |
11244 | * 1 if flag is set. | |
11245 | * 0 if flag is not set. | |
11246 | **/ | |
11247 | static int | |
11248 | lpfc_chk_iocb_flg(struct lpfc_hba *phba, | |
11249 | struct lpfc_iocbq *piocbq, uint32_t flag) | |
11250 | { | |
11251 | unsigned long iflags; | |
11252 | int ret; | |
11253 | ||
11254 | spin_lock_irqsave(&phba->hbalock, iflags); | |
11255 | ret = piocbq->iocb_flag & flag; | |
11256 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11257 | return ret; | |
11258 | ||
11259 | } | |
11260 | ||
e59058c4 | 11261 | /** |
3621a710 | 11262 | * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands |
e59058c4 JS |
11263 | * @phba: Pointer to HBA context object.. |
11264 | * @pring: Pointer to sli ring. | |
11265 | * @piocb: Pointer to command iocb. | |
11266 | * @prspiocbq: Pointer to response iocb. | |
11267 | * @timeout: Timeout in number of seconds. | |
11268 | * | |
11269 | * This function issues the iocb to firmware and waits for the | |
5a0916b4 JS |
11270 | * iocb to complete. The iocb_cmpl field of the shall be used |
11271 | * to handle iocbs which time out. If the field is NULL, the | |
11272 | * function shall free the iocbq structure. If more clean up is | |
11273 | * needed, the caller is expected to provide a completion function | |
11274 | * that will provide the needed clean up. If the iocb command is | |
11275 | * not completed within timeout seconds, the function will either | |
11276 | * free the iocbq structure (if iocb_cmpl == NULL) or execute the | |
11277 | * completion function set in the iocb_cmpl field and then return | |
11278 | * a status of IOCB_TIMEDOUT. The caller should not free the iocb | |
11279 | * resources if this function returns IOCB_TIMEDOUT. | |
e59058c4 JS |
11280 | * The function waits for the iocb completion using an |
11281 | * non-interruptible wait. | |
11282 | * This function will sleep while waiting for iocb completion. | |
11283 | * So, this function should not be called from any context which | |
11284 | * does not allow sleeping. Due to the same reason, this function | |
11285 | * cannot be called with interrupt disabled. | |
11286 | * This function assumes that the iocb completions occur while | |
11287 | * this function sleep. So, this function cannot be called from | |
11288 | * the thread which process iocb completion for this ring. | |
11289 | * This function clears the iocb_flag of the iocb object before | |
11290 | * issuing the iocb and the iocb completion handler sets this | |
11291 | * flag and wakes this thread when the iocb completes. | |
11292 | * The contents of the response iocb will be copied to prspiocbq | |
11293 | * by the completion handler when the command completes. | |
11294 | * This function returns IOCB_SUCCESS when success. | |
11295 | * This function is called with no lock held. | |
11296 | **/ | |
dea3101e | 11297 | int |
2e0fef85 | 11298 | lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba, |
da0436e9 | 11299 | uint32_t ring_number, |
2e0fef85 JS |
11300 | struct lpfc_iocbq *piocb, |
11301 | struct lpfc_iocbq *prspiocbq, | |
68876920 | 11302 | uint32_t timeout) |
dea3101e | 11303 | { |
7259f0d0 | 11304 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
68876920 JSEC |
11305 | long timeleft, timeout_req = 0; |
11306 | int retval = IOCB_SUCCESS; | |
875fbdfe | 11307 | uint32_t creg_val; |
0e9bb8d7 JS |
11308 | struct lpfc_iocbq *iocb; |
11309 | int txq_cnt = 0; | |
11310 | int txcmplq_cnt = 0; | |
895427bd | 11311 | struct lpfc_sli_ring *pring; |
5a0916b4 JS |
11312 | unsigned long iflags; |
11313 | bool iocb_completed = true; | |
11314 | ||
895427bd JS |
11315 | if (phba->sli_rev >= LPFC_SLI_REV4) |
11316 | pring = lpfc_sli4_calc_ring(phba, piocb); | |
11317 | else | |
11318 | pring = &phba->sli.sli3_ring[ring_number]; | |
dea3101e | 11319 | /* |
68876920 JSEC |
11320 | * If the caller has provided a response iocbq buffer, then context2 |
11321 | * is NULL or its an error. | |
dea3101e | 11322 | */ |
68876920 JSEC |
11323 | if (prspiocbq) { |
11324 | if (piocb->context2) | |
11325 | return IOCB_ERROR; | |
11326 | piocb->context2 = prspiocbq; | |
dea3101e JB |
11327 | } |
11328 | ||
5a0916b4 | 11329 | piocb->wait_iocb_cmpl = piocb->iocb_cmpl; |
68876920 JSEC |
11330 | piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait; |
11331 | piocb->context_un.wait_queue = &done_q; | |
5a0916b4 | 11332 | piocb->iocb_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO); |
dea3101e | 11333 | |
875fbdfe | 11334 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
11335 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
11336 | return IOCB_ERROR; | |
875fbdfe JSEC |
11337 | creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING); |
11338 | writel(creg_val, phba->HCregaddr); | |
11339 | readl(phba->HCregaddr); /* flush */ | |
11340 | } | |
11341 | ||
2a9bf3d0 JS |
11342 | retval = lpfc_sli_issue_iocb(phba, ring_number, piocb, |
11343 | SLI_IOCB_RET_IOCB); | |
68876920 | 11344 | if (retval == IOCB_SUCCESS) { |
256ec0d0 | 11345 | timeout_req = msecs_to_jiffies(timeout * 1000); |
68876920 | 11346 | timeleft = wait_event_timeout(done_q, |
d11e31dd | 11347 | lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE), |
68876920 | 11348 | timeout_req); |
5a0916b4 JS |
11349 | spin_lock_irqsave(&phba->hbalock, iflags); |
11350 | if (!(piocb->iocb_flag & LPFC_IO_WAKE)) { | |
11351 | ||
11352 | /* | |
11353 | * IOCB timed out. Inform the wake iocb wait | |
11354 | * completion function and set local status | |
11355 | */ | |
dea3101e | 11356 | |
5a0916b4 JS |
11357 | iocb_completed = false; |
11358 | piocb->iocb_flag |= LPFC_IO_WAKE_TMO; | |
11359 | } | |
11360 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
11361 | if (iocb_completed) { | |
7054a606 | 11362 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
e8b62011 | 11363 | "0331 IOCB wake signaled\n"); |
53151bbb JS |
11364 | /* Note: we are not indicating if the IOCB has a success |
11365 | * status or not - that's for the caller to check. | |
11366 | * IOCB_SUCCESS means just that the command was sent and | |
11367 | * completed. Not that it completed successfully. | |
11368 | * */ | |
7054a606 | 11369 | } else if (timeleft == 0) { |
68876920 | 11370 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
11371 | "0338 IOCB wait timeout error - no " |
11372 | "wake response Data x%x\n", timeout); | |
68876920 | 11373 | retval = IOCB_TIMEDOUT; |
7054a606 | 11374 | } else { |
68876920 | 11375 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
e8b62011 JS |
11376 | "0330 IOCB wake NOT set, " |
11377 | "Data x%x x%lx\n", | |
68876920 JSEC |
11378 | timeout, (timeleft / jiffies)); |
11379 | retval = IOCB_TIMEDOUT; | |
dea3101e | 11380 | } |
2a9bf3d0 | 11381 | } else if (retval == IOCB_BUSY) { |
0e9bb8d7 JS |
11382 | if (phba->cfg_log_verbose & LOG_SLI) { |
11383 | list_for_each_entry(iocb, &pring->txq, list) { | |
11384 | txq_cnt++; | |
11385 | } | |
11386 | list_for_each_entry(iocb, &pring->txcmplq, list) { | |
11387 | txcmplq_cnt++; | |
11388 | } | |
11389 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
11390 | "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n", | |
11391 | phba->iocb_cnt, txq_cnt, txcmplq_cnt); | |
11392 | } | |
2a9bf3d0 | 11393 | return retval; |
68876920 JSEC |
11394 | } else { |
11395 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
d7c255b2 | 11396 | "0332 IOCB wait issue failed, Data x%x\n", |
e8b62011 | 11397 | retval); |
68876920 | 11398 | retval = IOCB_ERROR; |
dea3101e JB |
11399 | } |
11400 | ||
875fbdfe | 11401 | if (phba->cfg_poll & DISABLE_FCP_RING_INT) { |
9940b97b JS |
11402 | if (lpfc_readl(phba->HCregaddr, &creg_val)) |
11403 | return IOCB_ERROR; | |
875fbdfe JSEC |
11404 | creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING); |
11405 | writel(creg_val, phba->HCregaddr); | |
11406 | readl(phba->HCregaddr); /* flush */ | |
11407 | } | |
11408 | ||
68876920 JSEC |
11409 | if (prspiocbq) |
11410 | piocb->context2 = NULL; | |
11411 | ||
11412 | piocb->context_un.wait_queue = NULL; | |
11413 | piocb->iocb_cmpl = NULL; | |
dea3101e JB |
11414 | return retval; |
11415 | } | |
68876920 | 11416 | |
e59058c4 | 11417 | /** |
3621a710 | 11418 | * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox |
e59058c4 JS |
11419 | * @phba: Pointer to HBA context object. |
11420 | * @pmboxq: Pointer to driver mailbox object. | |
11421 | * @timeout: Timeout in number of seconds. | |
11422 | * | |
11423 | * This function issues the mailbox to firmware and waits for the | |
11424 | * mailbox command to complete. If the mailbox command is not | |
11425 | * completed within timeout seconds, it returns MBX_TIMEOUT. | |
11426 | * The function waits for the mailbox completion using an | |
11427 | * interruptible wait. If the thread is woken up due to a | |
11428 | * signal, MBX_TIMEOUT error is returned to the caller. Caller | |
11429 | * should not free the mailbox resources, if this function returns | |
11430 | * MBX_TIMEOUT. | |
11431 | * This function will sleep while waiting for mailbox completion. | |
11432 | * So, this function should not be called from any context which | |
11433 | * does not allow sleeping. Due to the same reason, this function | |
11434 | * cannot be called with interrupt disabled. | |
11435 | * This function assumes that the mailbox completion occurs while | |
11436 | * this function sleep. So, this function cannot be called from | |
11437 | * the worker thread which processes mailbox completion. | |
11438 | * This function is called in the context of HBA management | |
11439 | * applications. | |
11440 | * This function returns MBX_SUCCESS when successful. | |
11441 | * This function is called with no lock held. | |
11442 | **/ | |
dea3101e | 11443 | int |
2e0fef85 | 11444 | lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, |
dea3101e JB |
11445 | uint32_t timeout) |
11446 | { | |
7259f0d0 | 11447 | DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q); |
b230b8a2 | 11448 | MAILBOX_t *mb = NULL; |
dea3101e | 11449 | int retval; |
858c9f6c | 11450 | unsigned long flag; |
dea3101e | 11451 | |
b230b8a2 | 11452 | /* The caller might set context1 for extended buffer */ |
98c9ea5c | 11453 | if (pmboxq->context1) |
b230b8a2 | 11454 | mb = (MAILBOX_t *)pmboxq->context1; |
dea3101e | 11455 | |
495a714c | 11456 | pmboxq->mbox_flag &= ~LPFC_MBX_WAKE; |
dea3101e JB |
11457 | /* setup wake call as IOCB callback */ |
11458 | pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait; | |
11459 | /* setup context field to pass wait_queue pointer to wake function */ | |
11460 | pmboxq->context1 = &done_q; | |
11461 | ||
dea3101e JB |
11462 | /* now issue the command */ |
11463 | retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); | |
dea3101e | 11464 | if (retval == MBX_BUSY || retval == MBX_SUCCESS) { |
7054a606 JS |
11465 | wait_event_interruptible_timeout(done_q, |
11466 | pmboxq->mbox_flag & LPFC_MBX_WAKE, | |
256ec0d0 | 11467 | msecs_to_jiffies(timeout * 1000)); |
7054a606 | 11468 | |
858c9f6c | 11469 | spin_lock_irqsave(&phba->hbalock, flag); |
b230b8a2 JS |
11470 | /* restore the possible extended buffer for free resource */ |
11471 | pmboxq->context1 = (uint8_t *)mb; | |
7054a606 JS |
11472 | /* |
11473 | * if LPFC_MBX_WAKE flag is set the mailbox is completed | |
11474 | * else do not free the resources. | |
11475 | */ | |
d7c47992 | 11476 | if (pmboxq->mbox_flag & LPFC_MBX_WAKE) { |
dea3101e | 11477 | retval = MBX_SUCCESS; |
d7c47992 | 11478 | } else { |
7054a606 | 11479 | retval = MBX_TIMEOUT; |
858c9f6c JS |
11480 | pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; |
11481 | } | |
11482 | spin_unlock_irqrestore(&phba->hbalock, flag); | |
b230b8a2 JS |
11483 | } else { |
11484 | /* restore the possible extended buffer for free resource */ | |
11485 | pmboxq->context1 = (uint8_t *)mb; | |
dea3101e JB |
11486 | } |
11487 | ||
dea3101e JB |
11488 | return retval; |
11489 | } | |
11490 | ||
e59058c4 | 11491 | /** |
3772a991 | 11492 | * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system |
e59058c4 JS |
11493 | * @phba: Pointer to HBA context. |
11494 | * | |
3772a991 JS |
11495 | * This function is called to shutdown the driver's mailbox sub-system. |
11496 | * It first marks the mailbox sub-system is in a block state to prevent | |
11497 | * the asynchronous mailbox command from issued off the pending mailbox | |
11498 | * command queue. If the mailbox command sub-system shutdown is due to | |
11499 | * HBA error conditions such as EEH or ERATT, this routine shall invoke | |
11500 | * the mailbox sub-system flush routine to forcefully bring down the | |
11501 | * mailbox sub-system. Otherwise, if it is due to normal condition (such | |
11502 | * as with offline or HBA function reset), this routine will wait for the | |
11503 | * outstanding mailbox command to complete before invoking the mailbox | |
11504 | * sub-system flush routine to gracefully bring down mailbox sub-system. | |
e59058c4 | 11505 | **/ |
3772a991 | 11506 | void |
618a5230 | 11507 | lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba, int mbx_action) |
b4c02652 | 11508 | { |
3772a991 | 11509 | struct lpfc_sli *psli = &phba->sli; |
3772a991 | 11510 | unsigned long timeout; |
b4c02652 | 11511 | |
618a5230 JS |
11512 | if (mbx_action == LPFC_MBX_NO_WAIT) { |
11513 | /* delay 100ms for port state */ | |
11514 | msleep(100); | |
11515 | lpfc_sli_mbox_sys_flush(phba); | |
11516 | return; | |
11517 | } | |
a183a15f | 11518 | timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; |
d7069f09 | 11519 | |
3772a991 JS |
11520 | spin_lock_irq(&phba->hbalock); |
11521 | psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; | |
b4c02652 | 11522 | |
3772a991 | 11523 | if (psli->sli_flag & LPFC_SLI_ACTIVE) { |
3772a991 JS |
11524 | /* Determine how long we might wait for the active mailbox |
11525 | * command to be gracefully completed by firmware. | |
11526 | */ | |
a183a15f JS |
11527 | if (phba->sli.mbox_active) |
11528 | timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, | |
11529 | phba->sli.mbox_active) * | |
11530 | 1000) + jiffies; | |
11531 | spin_unlock_irq(&phba->hbalock); | |
11532 | ||
3772a991 JS |
11533 | while (phba->sli.mbox_active) { |
11534 | /* Check active mailbox complete status every 2ms */ | |
11535 | msleep(2); | |
11536 | if (time_after(jiffies, timeout)) | |
11537 | /* Timeout, let the mailbox flush routine to | |
11538 | * forcefully release active mailbox command | |
11539 | */ | |
11540 | break; | |
11541 | } | |
d7069f09 JS |
11542 | } else |
11543 | spin_unlock_irq(&phba->hbalock); | |
11544 | ||
3772a991 JS |
11545 | lpfc_sli_mbox_sys_flush(phba); |
11546 | } | |
ed957684 | 11547 | |
3772a991 JS |
11548 | /** |
11549 | * lpfc_sli_eratt_read - read sli-3 error attention events | |
11550 | * @phba: Pointer to HBA context. | |
11551 | * | |
11552 | * This function is called to read the SLI3 device error attention registers | |
11553 | * for possible error attention events. The caller must hold the hostlock | |
11554 | * with spin_lock_irq(). | |
11555 | * | |
25985edc | 11556 | * This function returns 1 when there is Error Attention in the Host Attention |
3772a991 JS |
11557 | * Register and returns 0 otherwise. |
11558 | **/ | |
11559 | static int | |
11560 | lpfc_sli_eratt_read(struct lpfc_hba *phba) | |
11561 | { | |
11562 | uint32_t ha_copy; | |
b4c02652 | 11563 | |
3772a991 | 11564 | /* Read chip Host Attention (HA) register */ |
9940b97b JS |
11565 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
11566 | goto unplug_err; | |
11567 | ||
3772a991 JS |
11568 | if (ha_copy & HA_ERATT) { |
11569 | /* Read host status register to retrieve error event */ | |
9940b97b JS |
11570 | if (lpfc_sli_read_hs(phba)) |
11571 | goto unplug_err; | |
b4c02652 | 11572 | |
3772a991 JS |
11573 | /* Check if there is a deferred error condition is active */ |
11574 | if ((HS_FFER1 & phba->work_hs) && | |
11575 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 | 11576 | HS_FFER6 | HS_FFER7 | HS_FFER8) & phba->work_hs)) { |
3772a991 | 11577 | phba->hba_flag |= DEFER_ERATT; |
3772a991 JS |
11578 | /* Clear all interrupt enable conditions */ |
11579 | writel(0, phba->HCregaddr); | |
11580 | readl(phba->HCregaddr); | |
11581 | } | |
11582 | ||
11583 | /* Set the driver HA work bitmap */ | |
3772a991 JS |
11584 | phba->work_ha |= HA_ERATT; |
11585 | /* Indicate polling handles this ERATT */ | |
11586 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
3772a991 JS |
11587 | return 1; |
11588 | } | |
11589 | return 0; | |
9940b97b JS |
11590 | |
11591 | unplug_err: | |
11592 | /* Set the driver HS work bitmap */ | |
11593 | phba->work_hs |= UNPLUG_ERR; | |
11594 | /* Set the driver HA work bitmap */ | |
11595 | phba->work_ha |= HA_ERATT; | |
11596 | /* Indicate polling handles this ERATT */ | |
11597 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11598 | return 1; | |
b4c02652 JS |
11599 | } |
11600 | ||
da0436e9 JS |
11601 | /** |
11602 | * lpfc_sli4_eratt_read - read sli-4 error attention events | |
11603 | * @phba: Pointer to HBA context. | |
11604 | * | |
11605 | * This function is called to read the SLI4 device error attention registers | |
11606 | * for possible error attention events. The caller must hold the hostlock | |
11607 | * with spin_lock_irq(). | |
11608 | * | |
25985edc | 11609 | * This function returns 1 when there is Error Attention in the Host Attention |
da0436e9 JS |
11610 | * Register and returns 0 otherwise. |
11611 | **/ | |
11612 | static int | |
11613 | lpfc_sli4_eratt_read(struct lpfc_hba *phba) | |
11614 | { | |
11615 | uint32_t uerr_sta_hi, uerr_sta_lo; | |
2fcee4bf JS |
11616 | uint32_t if_type, portsmphr; |
11617 | struct lpfc_register portstat_reg; | |
da0436e9 | 11618 | |
2fcee4bf JS |
11619 | /* |
11620 | * For now, use the SLI4 device internal unrecoverable error | |
da0436e9 JS |
11621 | * registers for error attention. This can be changed later. |
11622 | */ | |
2fcee4bf JS |
11623 | if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); |
11624 | switch (if_type) { | |
11625 | case LPFC_SLI_INTF_IF_TYPE_0: | |
9940b97b JS |
11626 | if (lpfc_readl(phba->sli4_hba.u.if_type0.UERRLOregaddr, |
11627 | &uerr_sta_lo) || | |
11628 | lpfc_readl(phba->sli4_hba.u.if_type0.UERRHIregaddr, | |
11629 | &uerr_sta_hi)) { | |
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 ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) || |
11636 | (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) { | |
11637 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11638 | "1423 HBA Unrecoverable error: " | |
11639 | "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, " | |
11640 | "ue_mask_lo_reg=0x%x, " | |
11641 | "ue_mask_hi_reg=0x%x\n", | |
11642 | uerr_sta_lo, uerr_sta_hi, | |
11643 | phba->sli4_hba.ue_mask_lo, | |
11644 | phba->sli4_hba.ue_mask_hi); | |
11645 | phba->work_status[0] = uerr_sta_lo; | |
11646 | phba->work_status[1] = uerr_sta_hi; | |
11647 | phba->work_ha |= HA_ERATT; | |
11648 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11649 | return 1; | |
11650 | } | |
11651 | break; | |
11652 | case LPFC_SLI_INTF_IF_TYPE_2: | |
9940b97b JS |
11653 | if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, |
11654 | &portstat_reg.word0) || | |
11655 | lpfc_readl(phba->sli4_hba.PSMPHRregaddr, | |
11656 | &portsmphr)){ | |
11657 | phba->work_hs |= UNPLUG_ERR; | |
11658 | phba->work_ha |= HA_ERATT; | |
11659 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11660 | return 1; | |
11661 | } | |
2fcee4bf JS |
11662 | if (bf_get(lpfc_sliport_status_err, &portstat_reg)) { |
11663 | phba->work_status[0] = | |
11664 | readl(phba->sli4_hba.u.if_type2.ERR1regaddr); | |
11665 | phba->work_status[1] = | |
11666 | readl(phba->sli4_hba.u.if_type2.ERR2regaddr); | |
11667 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
2e90f4b5 | 11668 | "2885 Port Status Event: " |
2fcee4bf JS |
11669 | "port status reg 0x%x, " |
11670 | "port smphr reg 0x%x, " | |
11671 | "error 1=0x%x, error 2=0x%x\n", | |
11672 | portstat_reg.word0, | |
11673 | portsmphr, | |
11674 | phba->work_status[0], | |
11675 | phba->work_status[1]); | |
11676 | phba->work_ha |= HA_ERATT; | |
11677 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11678 | return 1; | |
11679 | } | |
11680 | break; | |
11681 | case LPFC_SLI_INTF_IF_TYPE_1: | |
11682 | default: | |
a747c9ce | 11683 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
2fcee4bf JS |
11684 | "2886 HBA Error Attention on unsupported " |
11685 | "if type %d.", if_type); | |
a747c9ce | 11686 | return 1; |
da0436e9 | 11687 | } |
2fcee4bf | 11688 | |
da0436e9 JS |
11689 | return 0; |
11690 | } | |
11691 | ||
e59058c4 | 11692 | /** |
3621a710 | 11693 | * lpfc_sli_check_eratt - check error attention events |
9399627f JS |
11694 | * @phba: Pointer to HBA context. |
11695 | * | |
3772a991 | 11696 | * This function is called from timer soft interrupt context to check HBA's |
9399627f JS |
11697 | * error attention register bit for error attention events. |
11698 | * | |
25985edc | 11699 | * This function returns 1 when there is Error Attention in the Host Attention |
9399627f JS |
11700 | * Register and returns 0 otherwise. |
11701 | **/ | |
11702 | int | |
11703 | lpfc_sli_check_eratt(struct lpfc_hba *phba) | |
11704 | { | |
11705 | uint32_t ha_copy; | |
11706 | ||
11707 | /* If somebody is waiting to handle an eratt, don't process it | |
11708 | * here. The brdkill function will do this. | |
11709 | */ | |
11710 | if (phba->link_flag & LS_IGNORE_ERATT) | |
11711 | return 0; | |
11712 | ||
11713 | /* Check if interrupt handler handles this ERATT */ | |
11714 | spin_lock_irq(&phba->hbalock); | |
11715 | if (phba->hba_flag & HBA_ERATT_HANDLED) { | |
11716 | /* Interrupt handler has handled ERATT */ | |
11717 | spin_unlock_irq(&phba->hbalock); | |
11718 | return 0; | |
11719 | } | |
11720 | ||
a257bf90 JS |
11721 | /* |
11722 | * If there is deferred error attention, do not check for error | |
11723 | * attention | |
11724 | */ | |
11725 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
11726 | spin_unlock_irq(&phba->hbalock); | |
11727 | return 0; | |
11728 | } | |
11729 | ||
3772a991 JS |
11730 | /* If PCI channel is offline, don't process it */ |
11731 | if (unlikely(pci_channel_offline(phba->pcidev))) { | |
9399627f | 11732 | spin_unlock_irq(&phba->hbalock); |
3772a991 JS |
11733 | return 0; |
11734 | } | |
11735 | ||
11736 | switch (phba->sli_rev) { | |
11737 | case LPFC_SLI_REV2: | |
11738 | case LPFC_SLI_REV3: | |
11739 | /* Read chip Host Attention (HA) register */ | |
11740 | ha_copy = lpfc_sli_eratt_read(phba); | |
11741 | break; | |
da0436e9 | 11742 | case LPFC_SLI_REV4: |
2fcee4bf | 11743 | /* Read device Uncoverable Error (UERR) registers */ |
da0436e9 JS |
11744 | ha_copy = lpfc_sli4_eratt_read(phba); |
11745 | break; | |
3772a991 JS |
11746 | default: |
11747 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
11748 | "0299 Invalid SLI revision (%d)\n", | |
11749 | phba->sli_rev); | |
11750 | ha_copy = 0; | |
11751 | break; | |
9399627f JS |
11752 | } |
11753 | spin_unlock_irq(&phba->hbalock); | |
3772a991 JS |
11754 | |
11755 | return ha_copy; | |
11756 | } | |
11757 | ||
11758 | /** | |
11759 | * lpfc_intr_state_check - Check device state for interrupt handling | |
11760 | * @phba: Pointer to HBA context. | |
11761 | * | |
11762 | * This inline routine checks whether a device or its PCI slot is in a state | |
11763 | * that the interrupt should be handled. | |
11764 | * | |
11765 | * This function returns 0 if the device or the PCI slot is in a state that | |
11766 | * interrupt should be handled, otherwise -EIO. | |
11767 | */ | |
11768 | static inline int | |
11769 | lpfc_intr_state_check(struct lpfc_hba *phba) | |
11770 | { | |
11771 | /* If the pci channel is offline, ignore all the interrupts */ | |
11772 | if (unlikely(pci_channel_offline(phba->pcidev))) | |
11773 | return -EIO; | |
11774 | ||
11775 | /* Update device level interrupt statistics */ | |
11776 | phba->sli.slistat.sli_intr++; | |
11777 | ||
11778 | /* Ignore all interrupts during initialization. */ | |
11779 | if (unlikely(phba->link_state < LPFC_LINK_DOWN)) | |
11780 | return -EIO; | |
11781 | ||
9399627f JS |
11782 | return 0; |
11783 | } | |
11784 | ||
11785 | /** | |
3772a991 | 11786 | * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device |
e59058c4 JS |
11787 | * @irq: Interrupt number. |
11788 | * @dev_id: The device context pointer. | |
11789 | * | |
9399627f | 11790 | * This function is directly called from the PCI layer as an interrupt |
3772a991 JS |
11791 | * service routine when device with SLI-3 interface spec is enabled with |
11792 | * MSI-X multi-message interrupt mode and there are slow-path events in | |
11793 | * the HBA. However, when the device is enabled with either MSI or Pin-IRQ | |
11794 | * interrupt mode, this function is called as part of the device-level | |
11795 | * interrupt handler. When the PCI slot is in error recovery or the HBA | |
11796 | * is undergoing initialization, the interrupt handler will not process | |
11797 | * the interrupt. The link attention and ELS ring attention events are | |
11798 | * handled by the worker thread. The interrupt handler signals the worker | |
11799 | * thread and returns for these events. This function is called without | |
11800 | * any lock held. It gets the hbalock to access and update SLI data | |
9399627f JS |
11801 | * structures. |
11802 | * | |
11803 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
11804 | * returns IRQ_NONE. | |
e59058c4 | 11805 | **/ |
dea3101e | 11806 | irqreturn_t |
3772a991 | 11807 | lpfc_sli_sp_intr_handler(int irq, void *dev_id) |
dea3101e | 11808 | { |
2e0fef85 | 11809 | struct lpfc_hba *phba; |
a747c9ce | 11810 | uint32_t ha_copy, hc_copy; |
dea3101e JB |
11811 | uint32_t work_ha_copy; |
11812 | unsigned long status; | |
5b75da2f | 11813 | unsigned long iflag; |
dea3101e JB |
11814 | uint32_t control; |
11815 | ||
92d7f7b0 | 11816 | MAILBOX_t *mbox, *pmbox; |
858c9f6c JS |
11817 | struct lpfc_vport *vport; |
11818 | struct lpfc_nodelist *ndlp; | |
11819 | struct lpfc_dmabuf *mp; | |
92d7f7b0 JS |
11820 | LPFC_MBOXQ_t *pmb; |
11821 | int rc; | |
11822 | ||
dea3101e JB |
11823 | /* |
11824 | * Get the driver's phba structure from the dev_id and | |
11825 | * assume the HBA is not interrupting. | |
11826 | */ | |
9399627f | 11827 | phba = (struct lpfc_hba *)dev_id; |
dea3101e JB |
11828 | |
11829 | if (unlikely(!phba)) | |
11830 | return IRQ_NONE; | |
11831 | ||
dea3101e | 11832 | /* |
9399627f JS |
11833 | * Stuff needs to be attented to when this function is invoked as an |
11834 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
dea3101e | 11835 | */ |
9399627f | 11836 | if (phba->intr_type == MSIX) { |
3772a991 JS |
11837 | /* Check device state for handling interrupt */ |
11838 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
11839 | return IRQ_NONE; |
11840 | /* Need to read HA REG for slow-path events */ | |
5b75da2f | 11841 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
11842 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
11843 | goto unplug_error; | |
9399627f JS |
11844 | /* If somebody is waiting to handle an eratt don't process it |
11845 | * here. The brdkill function will do this. | |
11846 | */ | |
11847 | if (phba->link_flag & LS_IGNORE_ERATT) | |
11848 | ha_copy &= ~HA_ERATT; | |
11849 | /* Check the need for handling ERATT in interrupt handler */ | |
11850 | if (ha_copy & HA_ERATT) { | |
11851 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
11852 | /* ERATT polling has handled ERATT */ | |
11853 | ha_copy &= ~HA_ERATT; | |
11854 | else | |
11855 | /* Indicate interrupt handler handles ERATT */ | |
11856 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
11857 | } | |
a257bf90 JS |
11858 | |
11859 | /* | |
11860 | * If there is deferred error attention, do not check for any | |
11861 | * interrupt. | |
11862 | */ | |
11863 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 11864 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
11865 | return IRQ_NONE; |
11866 | } | |
11867 | ||
9399627f | 11868 | /* Clear up only attention source related to slow-path */ |
9940b97b JS |
11869 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) |
11870 | goto unplug_error; | |
11871 | ||
a747c9ce JS |
11872 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R2INT_ENA | |
11873 | HC_LAINT_ENA | HC_ERINT_ENA), | |
11874 | phba->HCregaddr); | |
9399627f JS |
11875 | writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)), |
11876 | phba->HAregaddr); | |
a747c9ce | 11877 | writel(hc_copy, phba->HCregaddr); |
9399627f | 11878 | readl(phba->HAregaddr); /* flush */ |
5b75da2f | 11879 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
11880 | } else |
11881 | ha_copy = phba->ha_copy; | |
dea3101e | 11882 | |
dea3101e JB |
11883 | work_ha_copy = ha_copy & phba->work_ha_mask; |
11884 | ||
9399627f | 11885 | if (work_ha_copy) { |
dea3101e JB |
11886 | if (work_ha_copy & HA_LATT) { |
11887 | if (phba->sli.sli_flag & LPFC_PROCESS_LA) { | |
11888 | /* | |
11889 | * Turn off Link Attention interrupts | |
11890 | * until CLEAR_LA done | |
11891 | */ | |
5b75da2f | 11892 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 11893 | phba->sli.sli_flag &= ~LPFC_PROCESS_LA; |
9940b97b JS |
11894 | if (lpfc_readl(phba->HCregaddr, &control)) |
11895 | goto unplug_error; | |
dea3101e JB |
11896 | control &= ~HC_LAINT_ENA; |
11897 | writel(control, phba->HCregaddr); | |
11898 | readl(phba->HCregaddr); /* flush */ | |
5b75da2f | 11899 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
11900 | } |
11901 | else | |
11902 | work_ha_copy &= ~HA_LATT; | |
11903 | } | |
11904 | ||
9399627f | 11905 | if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) { |
858c9f6c JS |
11906 | /* |
11907 | * Turn off Slow Rings interrupts, LPFC_ELS_RING is | |
11908 | * the only slow ring. | |
11909 | */ | |
11910 | status = (work_ha_copy & | |
11911 | (HA_RXMASK << (4*LPFC_ELS_RING))); | |
11912 | status >>= (4*LPFC_ELS_RING); | |
11913 | if (status & HA_RXMASK) { | |
5b75da2f | 11914 | spin_lock_irqsave(&phba->hbalock, iflag); |
9940b97b JS |
11915 | if (lpfc_readl(phba->HCregaddr, &control)) |
11916 | goto unplug_error; | |
a58cbd52 JS |
11917 | |
11918 | lpfc_debugfs_slow_ring_trc(phba, | |
11919 | "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x", | |
11920 | control, status, | |
11921 | (uint32_t)phba->sli.slistat.sli_intr); | |
11922 | ||
858c9f6c | 11923 | if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) { |
a58cbd52 JS |
11924 | lpfc_debugfs_slow_ring_trc(phba, |
11925 | "ISR Disable ring:" | |
11926 | "pwork:x%x hawork:x%x wait:x%x", | |
11927 | phba->work_ha, work_ha_copy, | |
11928 | (uint32_t)((unsigned long) | |
5e9d9b82 | 11929 | &phba->work_waitq)); |
a58cbd52 | 11930 | |
858c9f6c JS |
11931 | control &= |
11932 | ~(HC_R0INT_ENA << LPFC_ELS_RING); | |
dea3101e JB |
11933 | writel(control, phba->HCregaddr); |
11934 | readl(phba->HCregaddr); /* flush */ | |
dea3101e | 11935 | } |
a58cbd52 JS |
11936 | else { |
11937 | lpfc_debugfs_slow_ring_trc(phba, | |
11938 | "ISR slow ring: pwork:" | |
11939 | "x%x hawork:x%x wait:x%x", | |
11940 | phba->work_ha, work_ha_copy, | |
11941 | (uint32_t)((unsigned long) | |
5e9d9b82 | 11942 | &phba->work_waitq)); |
a58cbd52 | 11943 | } |
5b75da2f | 11944 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
dea3101e JB |
11945 | } |
11946 | } | |
5b75da2f | 11947 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 | 11948 | if (work_ha_copy & HA_ERATT) { |
9940b97b JS |
11949 | if (lpfc_sli_read_hs(phba)) |
11950 | goto unplug_error; | |
a257bf90 JS |
11951 | /* |
11952 | * Check if there is a deferred error condition | |
11953 | * is active | |
11954 | */ | |
11955 | if ((HS_FFER1 & phba->work_hs) && | |
11956 | ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 | | |
dcf2a4e0 JS |
11957 | HS_FFER6 | HS_FFER7 | HS_FFER8) & |
11958 | phba->work_hs)) { | |
a257bf90 JS |
11959 | phba->hba_flag |= DEFER_ERATT; |
11960 | /* Clear all interrupt enable conditions */ | |
11961 | writel(0, phba->HCregaddr); | |
11962 | readl(phba->HCregaddr); | |
11963 | } | |
11964 | } | |
11965 | ||
9399627f | 11966 | if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) { |
92d7f7b0 | 11967 | pmb = phba->sli.mbox_active; |
04c68496 | 11968 | pmbox = &pmb->u.mb; |
34b02dcd | 11969 | mbox = phba->mbox; |
858c9f6c | 11970 | vport = pmb->vport; |
92d7f7b0 JS |
11971 | |
11972 | /* First check out the status word */ | |
11973 | lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t)); | |
11974 | if (pmbox->mbxOwner != OWN_HOST) { | |
5b75da2f | 11975 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
92d7f7b0 JS |
11976 | /* |
11977 | * Stray Mailbox Interrupt, mbxCommand <cmd> | |
11978 | * mbxStatus <status> | |
11979 | */ | |
09372820 | 11980 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | |
92d7f7b0 | 11981 | LOG_SLI, |
e8b62011 | 11982 | "(%d):0304 Stray Mailbox " |
92d7f7b0 JS |
11983 | "Interrupt mbxCommand x%x " |
11984 | "mbxStatus x%x\n", | |
e8b62011 | 11985 | (vport ? vport->vpi : 0), |
92d7f7b0 JS |
11986 | pmbox->mbxCommand, |
11987 | pmbox->mbxStatus); | |
09372820 JS |
11988 | /* clear mailbox attention bit */ |
11989 | work_ha_copy &= ~HA_MBATT; | |
11990 | } else { | |
97eab634 | 11991 | phba->sli.mbox_active = NULL; |
5b75da2f | 11992 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
09372820 JS |
11993 | phba->last_completion_time = jiffies; |
11994 | del_timer(&phba->sli.mbox_tmo); | |
09372820 JS |
11995 | if (pmb->mbox_cmpl) { |
11996 | lpfc_sli_pcimem_bcopy(mbox, pmbox, | |
11997 | MAILBOX_CMD_SIZE); | |
7a470277 JS |
11998 | if (pmb->out_ext_byte_len && |
11999 | pmb->context2) | |
12000 | lpfc_sli_pcimem_bcopy( | |
12001 | phba->mbox_ext, | |
12002 | pmb->context2, | |
12003 | pmb->out_ext_byte_len); | |
09372820 JS |
12004 | } |
12005 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { | |
12006 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
12007 | ||
12008 | lpfc_debugfs_disc_trc(vport, | |
12009 | LPFC_DISC_TRC_MBOX_VPORT, | |
12010 | "MBOX dflt rpi: : " | |
12011 | "status:x%x rpi:x%x", | |
12012 | (uint32_t)pmbox->mbxStatus, | |
12013 | pmbox->un.varWords[0], 0); | |
12014 | ||
12015 | if (!pmbox->mbxStatus) { | |
12016 | mp = (struct lpfc_dmabuf *) | |
12017 | (pmb->context1); | |
12018 | ndlp = (struct lpfc_nodelist *) | |
12019 | pmb->context2; | |
12020 | ||
12021 | /* Reg_LOGIN of dflt RPI was | |
12022 | * successful. new lets get | |
12023 | * rid of the RPI using the | |
12024 | * same mbox buffer. | |
12025 | */ | |
12026 | lpfc_unreg_login(phba, | |
12027 | vport->vpi, | |
12028 | pmbox->un.varWords[0], | |
12029 | pmb); | |
12030 | pmb->mbox_cmpl = | |
12031 | lpfc_mbx_cmpl_dflt_rpi; | |
12032 | pmb->context1 = mp; | |
12033 | pmb->context2 = ndlp; | |
12034 | pmb->vport = vport; | |
58da1ffb JS |
12035 | rc = lpfc_sli_issue_mbox(phba, |
12036 | pmb, | |
12037 | MBX_NOWAIT); | |
12038 | if (rc != MBX_BUSY) | |
12039 | lpfc_printf_log(phba, | |
12040 | KERN_ERR, | |
12041 | LOG_MBOX | LOG_SLI, | |
d7c255b2 | 12042 | "0350 rc should have" |
6a9c52cf | 12043 | "been MBX_BUSY\n"); |
3772a991 JS |
12044 | if (rc != MBX_NOT_FINISHED) |
12045 | goto send_current_mbox; | |
09372820 | 12046 | } |
858c9f6c | 12047 | } |
5b75da2f JS |
12048 | spin_lock_irqsave( |
12049 | &phba->pport->work_port_lock, | |
12050 | iflag); | |
09372820 JS |
12051 | phba->pport->work_port_events &= |
12052 | ~WORKER_MBOX_TMO; | |
5b75da2f JS |
12053 | spin_unlock_irqrestore( |
12054 | &phba->pport->work_port_lock, | |
12055 | iflag); | |
09372820 | 12056 | lpfc_mbox_cmpl_put(phba, pmb); |
858c9f6c | 12057 | } |
97eab634 | 12058 | } else |
5b75da2f | 12059 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f | 12060 | |
92d7f7b0 JS |
12061 | if ((work_ha_copy & HA_MBATT) && |
12062 | (phba->sli.mbox_active == NULL)) { | |
858c9f6c | 12063 | send_current_mbox: |
92d7f7b0 | 12064 | /* Process next mailbox command if there is one */ |
58da1ffb JS |
12065 | do { |
12066 | rc = lpfc_sli_issue_mbox(phba, NULL, | |
12067 | MBX_NOWAIT); | |
12068 | } while (rc == MBX_NOT_FINISHED); | |
12069 | if (rc != MBX_SUCCESS) | |
12070 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
12071 | LOG_SLI, "0349 rc should be " | |
6a9c52cf | 12072 | "MBX_SUCCESS\n"); |
92d7f7b0 JS |
12073 | } |
12074 | ||
5b75da2f | 12075 | spin_lock_irqsave(&phba->hbalock, iflag); |
dea3101e | 12076 | phba->work_ha |= work_ha_copy; |
5b75da2f | 12077 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
5e9d9b82 | 12078 | lpfc_worker_wake_up(phba); |
dea3101e | 12079 | } |
9399627f | 12080 | return IRQ_HANDLED; |
9940b97b JS |
12081 | unplug_error: |
12082 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
12083 | return IRQ_HANDLED; | |
dea3101e | 12084 | |
3772a991 | 12085 | } /* lpfc_sli_sp_intr_handler */ |
9399627f JS |
12086 | |
12087 | /** | |
3772a991 | 12088 | * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device. |
9399627f JS |
12089 | * @irq: Interrupt number. |
12090 | * @dev_id: The device context pointer. | |
12091 | * | |
12092 | * This function is directly called from the PCI layer as an interrupt | |
3772a991 JS |
12093 | * service routine when device with SLI-3 interface spec is enabled with |
12094 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
12095 | * ring event in the HBA. However, when the device is enabled with either | |
12096 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
12097 | * device-level interrupt handler. When the PCI slot is in error recovery | |
12098 | * or the HBA is undergoing initialization, the interrupt handler will not | |
12099 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
12100 | * the intrrupt context. This function is called without any lock held. | |
12101 | * It gets the hbalock to access and update SLI data structures. | |
9399627f JS |
12102 | * |
12103 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
12104 | * returns IRQ_NONE. | |
12105 | **/ | |
12106 | irqreturn_t | |
3772a991 | 12107 | lpfc_sli_fp_intr_handler(int irq, void *dev_id) |
9399627f JS |
12108 | { |
12109 | struct lpfc_hba *phba; | |
12110 | uint32_t ha_copy; | |
12111 | unsigned long status; | |
5b75da2f | 12112 | unsigned long iflag; |
895427bd | 12113 | struct lpfc_sli_ring *pring; |
9399627f JS |
12114 | |
12115 | /* Get the driver's phba structure from the dev_id and | |
12116 | * assume the HBA is not interrupting. | |
12117 | */ | |
12118 | phba = (struct lpfc_hba *) dev_id; | |
12119 | ||
12120 | if (unlikely(!phba)) | |
12121 | return IRQ_NONE; | |
12122 | ||
12123 | /* | |
12124 | * Stuff needs to be attented to when this function is invoked as an | |
12125 | * individual interrupt handler in MSI-X multi-message interrupt mode | |
12126 | */ | |
12127 | if (phba->intr_type == MSIX) { | |
3772a991 JS |
12128 | /* Check device state for handling interrupt */ |
12129 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12130 | return IRQ_NONE; |
12131 | /* Need to read HA REG for FCP ring and other ring events */ | |
9940b97b JS |
12132 | if (lpfc_readl(phba->HAregaddr, &ha_copy)) |
12133 | return IRQ_HANDLED; | |
9399627f | 12134 | /* Clear up only attention source related to fast-path */ |
5b75da2f | 12135 | spin_lock_irqsave(&phba->hbalock, iflag); |
a257bf90 JS |
12136 | /* |
12137 | * If there is deferred error attention, do not check for | |
12138 | * any interrupt. | |
12139 | */ | |
12140 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
3772a991 | 12141 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
a257bf90 JS |
12142 | return IRQ_NONE; |
12143 | } | |
9399627f JS |
12144 | writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)), |
12145 | phba->HAregaddr); | |
12146 | readl(phba->HAregaddr); /* flush */ | |
5b75da2f | 12147 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
9399627f JS |
12148 | } else |
12149 | ha_copy = phba->ha_copy; | |
dea3101e JB |
12150 | |
12151 | /* | |
9399627f | 12152 | * Process all events on FCP ring. Take the optimized path for FCP IO. |
dea3101e | 12153 | */ |
9399627f JS |
12154 | ha_copy &= ~(phba->work_ha_mask); |
12155 | ||
12156 | status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
dea3101e | 12157 | status >>= (4*LPFC_FCP_RING); |
895427bd | 12158 | pring = &phba->sli.sli3_ring[LPFC_FCP_RING]; |
858c9f6c | 12159 | if (status & HA_RXMASK) |
895427bd | 12160 | lpfc_sli_handle_fast_ring_event(phba, pring, status); |
a4bc3379 JS |
12161 | |
12162 | if (phba->cfg_multi_ring_support == 2) { | |
12163 | /* | |
9399627f JS |
12164 | * Process all events on extra ring. Take the optimized path |
12165 | * for extra ring IO. | |
a4bc3379 | 12166 | */ |
9399627f | 12167 | status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); |
a4bc3379 | 12168 | status >>= (4*LPFC_EXTRA_RING); |
858c9f6c | 12169 | if (status & HA_RXMASK) { |
a4bc3379 | 12170 | lpfc_sli_handle_fast_ring_event(phba, |
895427bd | 12171 | &phba->sli.sli3_ring[LPFC_EXTRA_RING], |
a4bc3379 JS |
12172 | status); |
12173 | } | |
12174 | } | |
dea3101e | 12175 | return IRQ_HANDLED; |
3772a991 | 12176 | } /* lpfc_sli_fp_intr_handler */ |
9399627f JS |
12177 | |
12178 | /** | |
3772a991 | 12179 | * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device |
9399627f JS |
12180 | * @irq: Interrupt number. |
12181 | * @dev_id: The device context pointer. | |
12182 | * | |
3772a991 JS |
12183 | * This function is the HBA device-level interrupt handler to device with |
12184 | * SLI-3 interface spec, called from the PCI layer when either MSI or | |
12185 | * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which | |
12186 | * requires driver attention. This function invokes the slow-path interrupt | |
12187 | * attention handling function and fast-path interrupt attention handling | |
12188 | * function in turn to process the relevant HBA attention events. This | |
12189 | * function is called without any lock held. It gets the hbalock to access | |
12190 | * and update SLI data structures. | |
9399627f JS |
12191 | * |
12192 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
12193 | * returns IRQ_NONE. | |
12194 | **/ | |
12195 | irqreturn_t | |
3772a991 | 12196 | lpfc_sli_intr_handler(int irq, void *dev_id) |
9399627f JS |
12197 | { |
12198 | struct lpfc_hba *phba; | |
12199 | irqreturn_t sp_irq_rc, fp_irq_rc; | |
12200 | unsigned long status1, status2; | |
a747c9ce | 12201 | uint32_t hc_copy; |
9399627f JS |
12202 | |
12203 | /* | |
12204 | * Get the driver's phba structure from the dev_id and | |
12205 | * assume the HBA is not interrupting. | |
12206 | */ | |
12207 | phba = (struct lpfc_hba *) dev_id; | |
12208 | ||
12209 | if (unlikely(!phba)) | |
12210 | return IRQ_NONE; | |
12211 | ||
3772a991 JS |
12212 | /* Check device state for handling interrupt */ |
12213 | if (lpfc_intr_state_check(phba)) | |
9399627f JS |
12214 | return IRQ_NONE; |
12215 | ||
12216 | spin_lock(&phba->hbalock); | |
9940b97b JS |
12217 | if (lpfc_readl(phba->HAregaddr, &phba->ha_copy)) { |
12218 | spin_unlock(&phba->hbalock); | |
12219 | return IRQ_HANDLED; | |
12220 | } | |
12221 | ||
9399627f JS |
12222 | if (unlikely(!phba->ha_copy)) { |
12223 | spin_unlock(&phba->hbalock); | |
12224 | return IRQ_NONE; | |
12225 | } else if (phba->ha_copy & HA_ERATT) { | |
12226 | if (phba->hba_flag & HBA_ERATT_HANDLED) | |
12227 | /* ERATT polling has handled ERATT */ | |
12228 | phba->ha_copy &= ~HA_ERATT; | |
12229 | else | |
12230 | /* Indicate interrupt handler handles ERATT */ | |
12231 | phba->hba_flag |= HBA_ERATT_HANDLED; | |
12232 | } | |
12233 | ||
a257bf90 JS |
12234 | /* |
12235 | * If there is deferred error attention, do not check for any interrupt. | |
12236 | */ | |
12237 | if (unlikely(phba->hba_flag & DEFER_ERATT)) { | |
ec21b3b0 | 12238 | spin_unlock(&phba->hbalock); |
a257bf90 JS |
12239 | return IRQ_NONE; |
12240 | } | |
12241 | ||
9399627f | 12242 | /* Clear attention sources except link and error attentions */ |
9940b97b JS |
12243 | if (lpfc_readl(phba->HCregaddr, &hc_copy)) { |
12244 | spin_unlock(&phba->hbalock); | |
12245 | return IRQ_HANDLED; | |
12246 | } | |
a747c9ce JS |
12247 | writel(hc_copy & ~(HC_MBINT_ENA | HC_R0INT_ENA | HC_R1INT_ENA |
12248 | | HC_R2INT_ENA | HC_LAINT_ENA | HC_ERINT_ENA), | |
12249 | phba->HCregaddr); | |
9399627f | 12250 | writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr); |
a747c9ce | 12251 | writel(hc_copy, phba->HCregaddr); |
9399627f JS |
12252 | readl(phba->HAregaddr); /* flush */ |
12253 | spin_unlock(&phba->hbalock); | |
12254 | ||
12255 | /* | |
12256 | * Invokes slow-path host attention interrupt handling as appropriate. | |
12257 | */ | |
12258 | ||
12259 | /* status of events with mailbox and link attention */ | |
12260 | status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT); | |
12261 | ||
12262 | /* status of events with ELS ring */ | |
12263 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); | |
12264 | status2 >>= (4*LPFC_ELS_RING); | |
12265 | ||
12266 | if (status1 || (status2 & HA_RXMASK)) | |
3772a991 | 12267 | sp_irq_rc = lpfc_sli_sp_intr_handler(irq, dev_id); |
9399627f JS |
12268 | else |
12269 | sp_irq_rc = IRQ_NONE; | |
12270 | ||
12271 | /* | |
12272 | * Invoke fast-path host attention interrupt handling as appropriate. | |
12273 | */ | |
12274 | ||
12275 | /* status of events with FCP ring */ | |
12276 | status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING))); | |
12277 | status1 >>= (4*LPFC_FCP_RING); | |
12278 | ||
12279 | /* status of events with extra ring */ | |
12280 | if (phba->cfg_multi_ring_support == 2) { | |
12281 | status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING))); | |
12282 | status2 >>= (4*LPFC_EXTRA_RING); | |
12283 | } else | |
12284 | status2 = 0; | |
12285 | ||
12286 | if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK)) | |
3772a991 | 12287 | fp_irq_rc = lpfc_sli_fp_intr_handler(irq, dev_id); |
9399627f JS |
12288 | else |
12289 | fp_irq_rc = IRQ_NONE; | |
dea3101e | 12290 | |
9399627f JS |
12291 | /* Return device-level interrupt handling status */ |
12292 | return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc; | |
3772a991 | 12293 | } /* lpfc_sli_intr_handler */ |
4f774513 JS |
12294 | |
12295 | /** | |
12296 | * lpfc_sli4_fcp_xri_abort_event_proc - Process fcp xri abort event | |
12297 | * @phba: pointer to lpfc hba data structure. | |
12298 | * | |
12299 | * This routine is invoked by the worker thread to process all the pending | |
12300 | * SLI4 FCP abort XRI events. | |
12301 | **/ | |
12302 | void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *phba) | |
12303 | { | |
12304 | struct lpfc_cq_event *cq_event; | |
12305 | ||
12306 | /* First, declare the fcp xri abort event has been handled */ | |
12307 | spin_lock_irq(&phba->hbalock); | |
12308 | phba->hba_flag &= ~FCP_XRI_ABORT_EVENT; | |
12309 | spin_unlock_irq(&phba->hbalock); | |
12310 | /* Now, handle all the fcp xri abort events */ | |
12311 | while (!list_empty(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue)) { | |
12312 | /* Get the first event from the head of the event queue */ | |
12313 | spin_lock_irq(&phba->hbalock); | |
12314 | list_remove_head(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue, | |
12315 | cq_event, struct lpfc_cq_event, list); | |
12316 | spin_unlock_irq(&phba->hbalock); | |
12317 | /* Notify aborted XRI for FCP work queue */ | |
12318 | lpfc_sli4_fcp_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
12319 | /* Free the event processed back to the free pool */ | |
12320 | lpfc_sli4_cq_event_release(phba, cq_event); | |
12321 | } | |
12322 | } | |
12323 | ||
12324 | /** | |
12325 | * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event | |
12326 | * @phba: pointer to lpfc hba data structure. | |
12327 | * | |
12328 | * This routine is invoked by the worker thread to process all the pending | |
12329 | * SLI4 els abort xri events. | |
12330 | **/ | |
12331 | void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba) | |
12332 | { | |
12333 | struct lpfc_cq_event *cq_event; | |
12334 | ||
12335 | /* First, declare the els xri abort event has been handled */ | |
12336 | spin_lock_irq(&phba->hbalock); | |
12337 | phba->hba_flag &= ~ELS_XRI_ABORT_EVENT; | |
12338 | spin_unlock_irq(&phba->hbalock); | |
12339 | /* Now, handle all the els xri abort events */ | |
12340 | while (!list_empty(&phba->sli4_hba.sp_els_xri_aborted_work_queue)) { | |
12341 | /* Get the first event from the head of the event queue */ | |
12342 | spin_lock_irq(&phba->hbalock); | |
12343 | list_remove_head(&phba->sli4_hba.sp_els_xri_aborted_work_queue, | |
12344 | cq_event, struct lpfc_cq_event, list); | |
12345 | spin_unlock_irq(&phba->hbalock); | |
12346 | /* Notify aborted XRI for ELS work queue */ | |
12347 | lpfc_sli4_els_xri_aborted(phba, &cq_event->cqe.wcqe_axri); | |
12348 | /* Free the event processed back to the free pool */ | |
12349 | lpfc_sli4_cq_event_release(phba, cq_event); | |
12350 | } | |
12351 | } | |
12352 | ||
341af102 JS |
12353 | /** |
12354 | * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn | |
12355 | * @phba: pointer to lpfc hba data structure | |
12356 | * @pIocbIn: pointer to the rspiocbq | |
12357 | * @pIocbOut: pointer to the cmdiocbq | |
12358 | * @wcqe: pointer to the complete wcqe | |
12359 | * | |
12360 | * This routine transfers the fields of a command iocbq to a response iocbq | |
12361 | * by copying all the IOCB fields from command iocbq and transferring the | |
12362 | * completion status information from the complete wcqe. | |
12363 | **/ | |
4f774513 | 12364 | static void |
341af102 JS |
12365 | lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, |
12366 | struct lpfc_iocbq *pIocbIn, | |
4f774513 JS |
12367 | struct lpfc_iocbq *pIocbOut, |
12368 | struct lpfc_wcqe_complete *wcqe) | |
12369 | { | |
af22741c | 12370 | int numBdes, i; |
341af102 | 12371 | unsigned long iflags; |
af22741c JS |
12372 | uint32_t status, max_response; |
12373 | struct lpfc_dmabuf *dmabuf; | |
12374 | struct ulp_bde64 *bpl, bde; | |
4f774513 JS |
12375 | size_t offset = offsetof(struct lpfc_iocbq, iocb); |
12376 | ||
12377 | memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, | |
12378 | sizeof(struct lpfc_iocbq) - offset); | |
4f774513 | 12379 | /* Map WCQE parameters into irspiocb parameters */ |
acd6859b JS |
12380 | status = bf_get(lpfc_wcqe_c_status, wcqe); |
12381 | pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); | |
4f774513 JS |
12382 | if (pIocbOut->iocb_flag & LPFC_IO_FCP) |
12383 | if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) | |
12384 | pIocbIn->iocb.un.fcpi.fcpi_parm = | |
12385 | pIocbOut->iocb.un.fcpi.fcpi_parm - | |
12386 | wcqe->total_data_placed; | |
12387 | else | |
12388 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; | |
695a814e | 12389 | else { |
4f774513 | 12390 | pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter; |
af22741c JS |
12391 | switch (pIocbOut->iocb.ulpCommand) { |
12392 | case CMD_ELS_REQUEST64_CR: | |
12393 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
12394 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
12395 | bde.tus.w = le32_to_cpu(bpl[1].tus.w); | |
12396 | max_response = bde.tus.f.bdeSize; | |
12397 | break; | |
12398 | case CMD_GEN_REQUEST64_CR: | |
12399 | max_response = 0; | |
12400 | if (!pIocbOut->context3) | |
12401 | break; | |
12402 | numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/ | |
12403 | sizeof(struct ulp_bde64); | |
12404 | dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3; | |
12405 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
12406 | for (i = 0; i < numBdes; i++) { | |
12407 | bde.tus.w = le32_to_cpu(bpl[i].tus.w); | |
12408 | if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64) | |
12409 | max_response += bde.tus.f.bdeSize; | |
12410 | } | |
12411 | break; | |
12412 | default: | |
12413 | max_response = wcqe->total_data_placed; | |
12414 | break; | |
12415 | } | |
12416 | if (max_response < wcqe->total_data_placed) | |
12417 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response; | |
12418 | else | |
12419 | pIocbIn->iocb.un.genreq64.bdl.bdeSize = | |
12420 | wcqe->total_data_placed; | |
695a814e | 12421 | } |
341af102 | 12422 | |
acd6859b JS |
12423 | /* Convert BG errors for completion status */ |
12424 | if (status == CQE_STATUS_DI_ERROR) { | |
12425 | pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; | |
12426 | ||
12427 | if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) | |
12428 | pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; | |
12429 | else | |
12430 | pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; | |
12431 | ||
12432 | pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; | |
12433 | if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ | |
12434 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12435 | BGS_GUARD_ERR_MASK; | |
12436 | if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ | |
12437 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12438 | BGS_APPTAG_ERR_MASK; | |
12439 | if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ | |
12440 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12441 | BGS_REFTAG_ERR_MASK; | |
12442 | ||
12443 | /* Check to see if there was any good data before the error */ | |
12444 | if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { | |
12445 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12446 | BGS_HI_WATER_MARK_PRESENT_MASK; | |
12447 | pIocbIn->iocb.unsli3.sli3_bg.bghm = | |
12448 | wcqe->total_data_placed; | |
12449 | } | |
12450 | ||
12451 | /* | |
12452 | * Set ALL the error bits to indicate we don't know what | |
12453 | * type of error it is. | |
12454 | */ | |
12455 | if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) | |
12456 | pIocbIn->iocb.unsli3.sli3_bg.bgstat |= | |
12457 | (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | | |
12458 | BGS_GUARD_ERR_MASK); | |
12459 | } | |
12460 | ||
341af102 JS |
12461 | /* Pick up HBA exchange busy condition */ |
12462 | if (bf_get(lpfc_wcqe_c_xb, wcqe)) { | |
12463 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12464 | pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY; | |
12465 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12466 | } | |
4f774513 JS |
12467 | } |
12468 | ||
45ed1190 JS |
12469 | /** |
12470 | * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe | |
12471 | * @phba: Pointer to HBA context object. | |
12472 | * @wcqe: Pointer to work-queue completion queue entry. | |
12473 | * | |
12474 | * This routine handles an ELS work-queue completion event and construct | |
12475 | * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common | |
12476 | * discovery engine to handle. | |
12477 | * | |
12478 | * Return: Pointer to the receive IOCBQ, NULL otherwise. | |
12479 | **/ | |
12480 | static struct lpfc_iocbq * | |
12481 | lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba, | |
12482 | struct lpfc_iocbq *irspiocbq) | |
12483 | { | |
895427bd | 12484 | struct lpfc_sli_ring *pring; |
45ed1190 JS |
12485 | struct lpfc_iocbq *cmdiocbq; |
12486 | struct lpfc_wcqe_complete *wcqe; | |
12487 | unsigned long iflags; | |
12488 | ||
895427bd | 12489 | pring = lpfc_phba_elsring(phba); |
1234a6d5 DK |
12490 | if (unlikely(!pring)) |
12491 | return NULL; | |
895427bd | 12492 | |
45ed1190 | 12493 | wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl; |
7e56aa25 | 12494 | spin_lock_irqsave(&pring->ring_lock, iflags); |
45ed1190 JS |
12495 | pring->stats.iocb_event++; |
12496 | /* Look up the ELS command IOCB and create pseudo response IOCB */ | |
12497 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, | |
12498 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
45ed1190 | 12499 | if (unlikely(!cmdiocbq)) { |
401bb416 | 12500 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
45ed1190 JS |
12501 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
12502 | "0386 ELS complete with no corresponding " | |
401bb416 DK |
12503 | "cmdiocb: 0x%x 0x%x 0x%x 0x%x\n", |
12504 | wcqe->word0, wcqe->total_data_placed, | |
12505 | wcqe->parameter, wcqe->word3); | |
45ed1190 JS |
12506 | lpfc_sli_release_iocbq(phba, irspiocbq); |
12507 | return NULL; | |
12508 | } | |
12509 | ||
401bb416 DK |
12510 | /* Put the iocb back on the txcmplq */ |
12511 | lpfc_sli_ringtxcmpl_put(phba, pring, cmdiocbq); | |
12512 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
12513 | ||
45ed1190 | 12514 | /* Fake the irspiocbq and copy necessary response information */ |
341af102 | 12515 | lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe); |
45ed1190 JS |
12516 | |
12517 | return irspiocbq; | |
12518 | } | |
12519 | ||
8a5ca109 JS |
12520 | inline struct lpfc_cq_event * |
12521 | lpfc_cq_event_setup(struct lpfc_hba *phba, void *entry, int size) | |
12522 | { | |
12523 | struct lpfc_cq_event *cq_event; | |
12524 | ||
12525 | /* Allocate a new internal CQ_EVENT entry */ | |
12526 | cq_event = lpfc_sli4_cq_event_alloc(phba); | |
12527 | if (!cq_event) { | |
12528 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12529 | "0602 Failed to alloc CQ_EVENT entry\n"); | |
12530 | return NULL; | |
12531 | } | |
12532 | ||
12533 | /* Move the CQE into the event */ | |
12534 | memcpy(&cq_event->cqe, entry, size); | |
12535 | return cq_event; | |
12536 | } | |
12537 | ||
04c68496 JS |
12538 | /** |
12539 | * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event | |
12540 | * @phba: Pointer to HBA context object. | |
12541 | * @cqe: Pointer to mailbox completion queue entry. | |
12542 | * | |
12543 | * This routine process a mailbox completion queue entry with asynchrous | |
12544 | * event. | |
12545 | * | |
12546 | * Return: true if work posted to worker thread, otherwise false. | |
12547 | **/ | |
12548 | static bool | |
12549 | lpfc_sli4_sp_handle_async_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
12550 | { | |
12551 | struct lpfc_cq_event *cq_event; | |
12552 | unsigned long iflags; | |
12553 | ||
12554 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, | |
12555 | "0392 Async Event: word0:x%x, word1:x%x, " | |
12556 | "word2:x%x, word3:x%x\n", mcqe->word0, | |
12557 | mcqe->mcqe_tag0, mcqe->mcqe_tag1, mcqe->trailer); | |
12558 | ||
8a5ca109 JS |
12559 | cq_event = lpfc_cq_event_setup(phba, mcqe, sizeof(struct lpfc_mcqe)); |
12560 | if (!cq_event) | |
04c68496 | 12561 | return false; |
04c68496 JS |
12562 | spin_lock_irqsave(&phba->hbalock, iflags); |
12563 | list_add_tail(&cq_event->list, &phba->sli4_hba.sp_asynce_work_queue); | |
12564 | /* Set the async event flag */ | |
12565 | phba->hba_flag |= ASYNC_EVENT; | |
12566 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12567 | ||
12568 | return true; | |
12569 | } | |
12570 | ||
12571 | /** | |
12572 | * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event | |
12573 | * @phba: Pointer to HBA context object. | |
12574 | * @cqe: Pointer to mailbox completion queue entry. | |
12575 | * | |
12576 | * This routine process a mailbox completion queue entry with mailbox | |
12577 | * completion event. | |
12578 | * | |
12579 | * Return: true if work posted to worker thread, otherwise false. | |
12580 | **/ | |
12581 | static bool | |
12582 | lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe) | |
12583 | { | |
12584 | uint32_t mcqe_status; | |
12585 | MAILBOX_t *mbox, *pmbox; | |
12586 | struct lpfc_mqe *mqe; | |
12587 | struct lpfc_vport *vport; | |
12588 | struct lpfc_nodelist *ndlp; | |
12589 | struct lpfc_dmabuf *mp; | |
12590 | unsigned long iflags; | |
12591 | LPFC_MBOXQ_t *pmb; | |
12592 | bool workposted = false; | |
12593 | int rc; | |
12594 | ||
12595 | /* If not a mailbox complete MCQE, out by checking mailbox consume */ | |
12596 | if (!bf_get(lpfc_trailer_completed, mcqe)) | |
12597 | goto out_no_mqe_complete; | |
12598 | ||
12599 | /* Get the reference to the active mbox command */ | |
12600 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12601 | pmb = phba->sli.mbox_active; | |
12602 | if (unlikely(!pmb)) { | |
12603 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, | |
12604 | "1832 No pending MBOX command to handle\n"); | |
12605 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12606 | goto out_no_mqe_complete; | |
12607 | } | |
12608 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12609 | mqe = &pmb->u.mqe; | |
12610 | pmbox = (MAILBOX_t *)&pmb->u.mqe; | |
12611 | mbox = phba->mbox; | |
12612 | vport = pmb->vport; | |
12613 | ||
12614 | /* Reset heartbeat timer */ | |
12615 | phba->last_completion_time = jiffies; | |
12616 | del_timer(&phba->sli.mbox_tmo); | |
12617 | ||
12618 | /* Move mbox data to caller's mailbox region, do endian swapping */ | |
12619 | if (pmb->mbox_cmpl && mbox) | |
12620 | lpfc_sli_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe)); | |
04c68496 | 12621 | |
73d91e50 JS |
12622 | /* |
12623 | * For mcqe errors, conditionally move a modified error code to | |
12624 | * the mbox so that the error will not be missed. | |
12625 | */ | |
12626 | mcqe_status = bf_get(lpfc_mcqe_status, mcqe); | |
12627 | if (mcqe_status != MB_CQE_STATUS_SUCCESS) { | |
12628 | if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS) | |
12629 | bf_set(lpfc_mqe_status, mqe, | |
12630 | (LPFC_MBX_ERROR_RANGE | mcqe_status)); | |
12631 | } | |
04c68496 JS |
12632 | if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { |
12633 | pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; | |
12634 | lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT, | |
12635 | "MBOX dflt rpi: status:x%x rpi:x%x", | |
12636 | mcqe_status, | |
12637 | pmbox->un.varWords[0], 0); | |
12638 | if (mcqe_status == MB_CQE_STATUS_SUCCESS) { | |
12639 | mp = (struct lpfc_dmabuf *)(pmb->context1); | |
12640 | ndlp = (struct lpfc_nodelist *)pmb->context2; | |
12641 | /* Reg_LOGIN of dflt RPI was successful. Now lets get | |
12642 | * RID of the PPI using the same mbox buffer. | |
12643 | */ | |
12644 | lpfc_unreg_login(phba, vport->vpi, | |
12645 | pmbox->un.varWords[0], pmb); | |
12646 | pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; | |
12647 | pmb->context1 = mp; | |
12648 | pmb->context2 = ndlp; | |
12649 | pmb->vport = vport; | |
12650 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); | |
12651 | if (rc != MBX_BUSY) | |
12652 | lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | | |
12653 | LOG_SLI, "0385 rc should " | |
12654 | "have been MBX_BUSY\n"); | |
12655 | if (rc != MBX_NOT_FINISHED) | |
12656 | goto send_current_mbox; | |
12657 | } | |
12658 | } | |
12659 | spin_lock_irqsave(&phba->pport->work_port_lock, iflags); | |
12660 | phba->pport->work_port_events &= ~WORKER_MBOX_TMO; | |
12661 | spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags); | |
12662 | ||
12663 | /* There is mailbox completion work to do */ | |
12664 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12665 | __lpfc_mbox_cmpl_put(phba, pmb); | |
12666 | phba->work_ha |= HA_MBATT; | |
12667 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12668 | workposted = true; | |
12669 | ||
12670 | send_current_mbox: | |
12671 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12672 | /* Release the mailbox command posting token */ | |
12673 | phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; | |
12674 | /* Setting active mailbox pointer need to be in sync to flag clear */ | |
12675 | phba->sli.mbox_active = NULL; | |
12676 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12677 | /* Wake up worker thread to post the next pending mailbox command */ | |
12678 | lpfc_worker_wake_up(phba); | |
12679 | out_no_mqe_complete: | |
12680 | if (bf_get(lpfc_trailer_consumed, mcqe)) | |
12681 | lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq); | |
12682 | return workposted; | |
12683 | } | |
12684 | ||
12685 | /** | |
12686 | * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry | |
12687 | * @phba: Pointer to HBA context object. | |
12688 | * @cqe: Pointer to mailbox completion queue entry. | |
12689 | * | |
12690 | * This routine process a mailbox completion queue entry, it invokes the | |
12691 | * proper mailbox complete handling or asynchrous event handling routine | |
12692 | * according to the MCQE's async bit. | |
12693 | * | |
12694 | * Return: true if work posted to worker thread, otherwise false. | |
12695 | **/ | |
12696 | static bool | |
12697 | lpfc_sli4_sp_handle_mcqe(struct lpfc_hba *phba, struct lpfc_cqe *cqe) | |
12698 | { | |
12699 | struct lpfc_mcqe mcqe; | |
12700 | bool workposted; | |
12701 | ||
12702 | /* Copy the mailbox MCQE and convert endian order as needed */ | |
12703 | lpfc_sli_pcimem_bcopy(cqe, &mcqe, sizeof(struct lpfc_mcqe)); | |
12704 | ||
12705 | /* Invoke the proper event handling routine */ | |
12706 | if (!bf_get(lpfc_trailer_async, &mcqe)) | |
12707 | workposted = lpfc_sli4_sp_handle_mbox_event(phba, &mcqe); | |
12708 | else | |
12709 | workposted = lpfc_sli4_sp_handle_async_event(phba, &mcqe); | |
12710 | return workposted; | |
12711 | } | |
12712 | ||
4f774513 JS |
12713 | /** |
12714 | * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event | |
12715 | * @phba: Pointer to HBA context object. | |
2a76a283 | 12716 | * @cq: Pointer to associated CQ |
4f774513 JS |
12717 | * @wcqe: Pointer to work-queue completion queue entry. |
12718 | * | |
12719 | * This routine handles an ELS work-queue completion event. | |
12720 | * | |
12721 | * Return: true if work posted to worker thread, otherwise false. | |
12722 | **/ | |
12723 | static bool | |
2a76a283 | 12724 | lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
12725 | struct lpfc_wcqe_complete *wcqe) |
12726 | { | |
4f774513 JS |
12727 | struct lpfc_iocbq *irspiocbq; |
12728 | unsigned long iflags; | |
2a76a283 | 12729 | struct lpfc_sli_ring *pring = cq->pring; |
0e9bb8d7 JS |
12730 | int txq_cnt = 0; |
12731 | int txcmplq_cnt = 0; | |
12732 | int fcp_txcmplq_cnt = 0; | |
4f774513 | 12733 | |
45ed1190 | 12734 | /* Get an irspiocbq for later ELS response processing use */ |
4f774513 JS |
12735 | irspiocbq = lpfc_sli_get_iocbq(phba); |
12736 | if (!irspiocbq) { | |
0e9bb8d7 JS |
12737 | if (!list_empty(&pring->txq)) |
12738 | txq_cnt++; | |
12739 | if (!list_empty(&pring->txcmplq)) | |
12740 | txcmplq_cnt++; | |
4f774513 | 12741 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
2a9bf3d0 JS |
12742 | "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d " |
12743 | "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n", | |
0e9bb8d7 JS |
12744 | txq_cnt, phba->iocb_cnt, |
12745 | fcp_txcmplq_cnt, | |
12746 | txcmplq_cnt); | |
45ed1190 | 12747 | return false; |
4f774513 | 12748 | } |
4f774513 | 12749 | |
45ed1190 JS |
12750 | /* Save off the slow-path queue event for work thread to process */ |
12751 | memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe)); | |
4f774513 | 12752 | spin_lock_irqsave(&phba->hbalock, iflags); |
4d9ab994 | 12753 | list_add_tail(&irspiocbq->cq_event.list, |
45ed1190 JS |
12754 | &phba->sli4_hba.sp_queue_event); |
12755 | phba->hba_flag |= HBA_SP_QUEUE_EVT; | |
4f774513 | 12756 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
4f774513 | 12757 | |
45ed1190 | 12758 | return true; |
4f774513 JS |
12759 | } |
12760 | ||
12761 | /** | |
12762 | * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event | |
12763 | * @phba: Pointer to HBA context object. | |
12764 | * @wcqe: Pointer to work-queue completion queue entry. | |
12765 | * | |
3f8b6fb7 | 12766 | * This routine handles slow-path WQ entry consumed event by invoking the |
4f774513 JS |
12767 | * proper WQ release routine to the slow-path WQ. |
12768 | **/ | |
12769 | static void | |
12770 | lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba *phba, | |
12771 | struct lpfc_wcqe_release *wcqe) | |
12772 | { | |
2e90f4b5 JS |
12773 | /* sanity check on queue memory */ |
12774 | if (unlikely(!phba->sli4_hba.els_wq)) | |
12775 | return; | |
4f774513 JS |
12776 | /* Check for the slow-path ELS work queue */ |
12777 | if (bf_get(lpfc_wcqe_r_wq_id, wcqe) == phba->sli4_hba.els_wq->queue_id) | |
12778 | lpfc_sli4_wq_release(phba->sli4_hba.els_wq, | |
12779 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
12780 | else | |
12781 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
12782 | "2579 Slow-path wqe consume event carries " | |
12783 | "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n", | |
12784 | bf_get(lpfc_wcqe_r_wqe_index, wcqe), | |
12785 | phba->sli4_hba.els_wq->queue_id); | |
12786 | } | |
12787 | ||
12788 | /** | |
12789 | * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event | |
12790 | * @phba: Pointer to HBA context object. | |
12791 | * @cq: Pointer to a WQ completion queue. | |
12792 | * @wcqe: Pointer to work-queue completion queue entry. | |
12793 | * | |
12794 | * This routine handles an XRI abort event. | |
12795 | * | |
12796 | * Return: true if work posted to worker thread, otherwise false. | |
12797 | **/ | |
12798 | static bool | |
12799 | lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba, | |
12800 | struct lpfc_queue *cq, | |
12801 | struct sli4_wcqe_xri_aborted *wcqe) | |
12802 | { | |
12803 | bool workposted = false; | |
12804 | struct lpfc_cq_event *cq_event; | |
12805 | unsigned long iflags; | |
12806 | ||
4f774513 JS |
12807 | switch (cq->subtype) { |
12808 | case LPFC_FCP: | |
8a5ca109 JS |
12809 | cq_event = lpfc_cq_event_setup( |
12810 | phba, wcqe, sizeof(struct sli4_wcqe_xri_aborted)); | |
12811 | if (!cq_event) | |
12812 | return false; | |
4f774513 JS |
12813 | spin_lock_irqsave(&phba->hbalock, iflags); |
12814 | list_add_tail(&cq_event->list, | |
12815 | &phba->sli4_hba.sp_fcp_xri_aborted_work_queue); | |
12816 | /* Set the fcp xri abort event flag */ | |
12817 | phba->hba_flag |= FCP_XRI_ABORT_EVENT; | |
12818 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12819 | workposted = true; | |
12820 | break; | |
422c4cb7 | 12821 | case LPFC_NVME_LS: /* NVME LS uses ELS resources */ |
4f774513 | 12822 | case LPFC_ELS: |
8a5ca109 JS |
12823 | cq_event = lpfc_cq_event_setup( |
12824 | phba, wcqe, sizeof(struct sli4_wcqe_xri_aborted)); | |
12825 | if (!cq_event) | |
12826 | return false; | |
4f774513 JS |
12827 | spin_lock_irqsave(&phba->hbalock, iflags); |
12828 | list_add_tail(&cq_event->list, | |
12829 | &phba->sli4_hba.sp_els_xri_aborted_work_queue); | |
12830 | /* Set the els xri abort event flag */ | |
12831 | phba->hba_flag |= ELS_XRI_ABORT_EVENT; | |
12832 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12833 | workposted = true; | |
12834 | break; | |
318083ad | 12835 | case LPFC_NVME: |
8a5ca109 JS |
12836 | /* Notify aborted XRI for NVME work queue */ |
12837 | if (phba->nvmet_support) | |
12838 | lpfc_sli4_nvmet_xri_aborted(phba, wcqe); | |
12839 | else | |
12840 | lpfc_sli4_nvme_xri_aborted(phba, wcqe); | |
12841 | ||
12842 | workposted = false; | |
318083ad | 12843 | break; |
4f774513 JS |
12844 | default: |
12845 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
318083ad JS |
12846 | "0603 Invalid CQ subtype %d: " |
12847 | "%08x %08x %08x %08x\n", | |
12848 | cq->subtype, wcqe->word0, wcqe->parameter, | |
12849 | wcqe->word2, wcqe->word3); | |
4f774513 JS |
12850 | workposted = false; |
12851 | break; | |
12852 | } | |
12853 | return workposted; | |
12854 | } | |
12855 | ||
4f774513 JS |
12856 | /** |
12857 | * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry | |
12858 | * @phba: Pointer to HBA context object. | |
12859 | * @rcqe: Pointer to receive-queue completion queue entry. | |
12860 | * | |
12861 | * This routine process a receive-queue completion queue entry. | |
12862 | * | |
12863 | * Return: true if work posted to worker thread, otherwise false. | |
12864 | **/ | |
12865 | static bool | |
4d9ab994 | 12866 | lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) |
4f774513 | 12867 | { |
4f774513 | 12868 | bool workposted = false; |
895427bd | 12869 | struct fc_frame_header *fc_hdr; |
4f774513 JS |
12870 | struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; |
12871 | struct lpfc_queue *drq = phba->sli4_hba.dat_rq; | |
547077a4 | 12872 | struct lpfc_nvmet_tgtport *tgtp; |
4f774513 | 12873 | struct hbq_dmabuf *dma_buf; |
7851fe2c | 12874 | uint32_t status, rq_id; |
4f774513 JS |
12875 | unsigned long iflags; |
12876 | ||
2e90f4b5 JS |
12877 | /* sanity check on queue memory */ |
12878 | if (unlikely(!hrq) || unlikely(!drq)) | |
12879 | return workposted; | |
12880 | ||
7851fe2c JS |
12881 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) |
12882 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
12883 | else | |
12884 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
12885 | if (rq_id != hrq->queue_id) | |
4f774513 JS |
12886 | goto out; |
12887 | ||
4d9ab994 | 12888 | status = bf_get(lpfc_rcqe_status, rcqe); |
4f774513 JS |
12889 | switch (status) { |
12890 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
12891 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12892 | "2537 Receive Frame Truncated!!\n"); | |
12893 | case FC_STATUS_RQ_SUCCESS: | |
12894 | spin_lock_irqsave(&phba->hbalock, iflags); | |
cbc5de1b | 12895 | lpfc_sli4_rq_release(hrq, drq); |
4f774513 JS |
12896 | dma_buf = lpfc_sli_hbqbuf_get(&phba->hbqs[0].hbq_buffer_list); |
12897 | if (!dma_buf) { | |
b84daac9 | 12898 | hrq->RQ_no_buf_found++; |
4f774513 JS |
12899 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
12900 | goto out; | |
12901 | } | |
b84daac9 | 12902 | hrq->RQ_rcv_buf++; |
547077a4 | 12903 | hrq->RQ_buf_posted--; |
4d9ab994 | 12904 | memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe)); |
895427bd JS |
12905 | |
12906 | /* If a NVME LS event (type 0x28), treat it as Fast path */ | |
12907 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; | |
12908 | ||
4f774513 | 12909 | /* save off the frame for the word thread to process */ |
4d9ab994 | 12910 | list_add_tail(&dma_buf->cq_event.list, |
45ed1190 | 12911 | &phba->sli4_hba.sp_queue_event); |
4f774513 | 12912 | /* Frame received */ |
45ed1190 | 12913 | phba->hba_flag |= HBA_SP_QUEUE_EVT; |
4f774513 JS |
12914 | spin_unlock_irqrestore(&phba->hbalock, iflags); |
12915 | workposted = true; | |
12916 | break; | |
4f774513 | 12917 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
12918 | if (phba->nvmet_support) { |
12919 | tgtp = phba->targetport->private; | |
12920 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
12921 | "6402 RQE Error x%x, posted %d err_cnt " | |
12922 | "%d: %x %x %x\n", | |
12923 | status, hrq->RQ_buf_posted, | |
12924 | hrq->RQ_no_posted_buf, | |
12925 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
12926 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
12927 | atomic_read(&tgtp->xmt_fcp_release)); | |
12928 | } | |
12929 | /* fallthrough */ | |
12930 | ||
12931 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
b84daac9 | 12932 | hrq->RQ_no_posted_buf++; |
4f774513 JS |
12933 | /* Post more buffers if possible */ |
12934 | spin_lock_irqsave(&phba->hbalock, iflags); | |
12935 | phba->hba_flag |= HBA_POST_RECEIVE_BUFFER; | |
12936 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
12937 | workposted = true; | |
12938 | break; | |
12939 | } | |
12940 | out: | |
12941 | return workposted; | |
4f774513 JS |
12942 | } |
12943 | ||
4d9ab994 JS |
12944 | /** |
12945 | * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry | |
12946 | * @phba: Pointer to HBA context object. | |
12947 | * @cq: Pointer to the completion queue. | |
12948 | * @wcqe: Pointer to a completion queue entry. | |
12949 | * | |
25985edc | 12950 | * This routine process a slow-path work-queue or receive queue completion queue |
4d9ab994 JS |
12951 | * entry. |
12952 | * | |
12953 | * Return: true if work posted to worker thread, otherwise false. | |
12954 | **/ | |
12955 | static bool | |
12956 | lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
12957 | struct lpfc_cqe *cqe) | |
12958 | { | |
45ed1190 | 12959 | struct lpfc_cqe cqevt; |
4d9ab994 JS |
12960 | bool workposted = false; |
12961 | ||
12962 | /* Copy the work queue CQE and convert endian order if needed */ | |
45ed1190 | 12963 | lpfc_sli_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe)); |
4d9ab994 JS |
12964 | |
12965 | /* Check and process for different type of WCQE and dispatch */ | |
45ed1190 | 12966 | switch (bf_get(lpfc_cqe_code, &cqevt)) { |
4d9ab994 | 12967 | case CQE_CODE_COMPL_WQE: |
45ed1190 | 12968 | /* Process the WQ/RQ complete event */ |
bc73905a | 12969 | phba->last_completion_time = jiffies; |
2a76a283 | 12970 | workposted = lpfc_sli4_sp_handle_els_wcqe(phba, cq, |
45ed1190 | 12971 | (struct lpfc_wcqe_complete *)&cqevt); |
4d9ab994 JS |
12972 | break; |
12973 | case CQE_CODE_RELEASE_WQE: | |
12974 | /* Process the WQ release event */ | |
12975 | lpfc_sli4_sp_handle_rel_wcqe(phba, | |
45ed1190 | 12976 | (struct lpfc_wcqe_release *)&cqevt); |
4d9ab994 JS |
12977 | break; |
12978 | case CQE_CODE_XRI_ABORTED: | |
12979 | /* Process the WQ XRI abort event */ | |
bc73905a | 12980 | phba->last_completion_time = jiffies; |
4d9ab994 | 12981 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
45ed1190 | 12982 | (struct sli4_wcqe_xri_aborted *)&cqevt); |
4d9ab994 JS |
12983 | break; |
12984 | case CQE_CODE_RECEIVE: | |
7851fe2c | 12985 | case CQE_CODE_RECEIVE_V1: |
4d9ab994 | 12986 | /* Process the RQ event */ |
bc73905a | 12987 | phba->last_completion_time = jiffies; |
4d9ab994 | 12988 | workposted = lpfc_sli4_sp_handle_rcqe(phba, |
45ed1190 | 12989 | (struct lpfc_rcqe *)&cqevt); |
4d9ab994 JS |
12990 | break; |
12991 | default: | |
12992 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
12993 | "0388 Not a valid WCQE code: x%x\n", | |
45ed1190 | 12994 | bf_get(lpfc_cqe_code, &cqevt)); |
4d9ab994 JS |
12995 | break; |
12996 | } | |
12997 | return workposted; | |
12998 | } | |
12999 | ||
4f774513 JS |
13000 | /** |
13001 | * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry | |
13002 | * @phba: Pointer to HBA context object. | |
13003 | * @eqe: Pointer to fast-path event queue entry. | |
13004 | * | |
13005 | * This routine process a event queue entry from the slow-path event queue. | |
13006 | * It will check the MajorCode and MinorCode to determine this is for a | |
13007 | * completion event on a completion queue, if not, an error shall be logged | |
13008 | * and just return. Otherwise, it will get to the corresponding completion | |
13009 | * queue and process all the entries on that completion queue, rearm the | |
13010 | * completion queue, and then return. | |
13011 | * | |
13012 | **/ | |
f485c18d | 13013 | static void |
67d12733 JS |
13014 | lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
13015 | struct lpfc_queue *speq) | |
4f774513 | 13016 | { |
67d12733 | 13017 | struct lpfc_queue *cq = NULL, *childq; |
4f774513 JS |
13018 | uint16_t cqid; |
13019 | ||
4f774513 | 13020 | /* Get the reference to the corresponding CQ */ |
cb5172ea | 13021 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); |
4f774513 | 13022 | |
4f774513 JS |
13023 | list_for_each_entry(childq, &speq->child_list, list) { |
13024 | if (childq->queue_id == cqid) { | |
13025 | cq = childq; | |
13026 | break; | |
13027 | } | |
13028 | } | |
13029 | if (unlikely(!cq)) { | |
75baf696 JS |
13030 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) |
13031 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13032 | "0365 Slow-path CQ identifier " | |
13033 | "(%d) does not exist\n", cqid); | |
f485c18d | 13034 | return; |
4f774513 JS |
13035 | } |
13036 | ||
895427bd JS |
13037 | /* Save EQ associated with this CQ */ |
13038 | cq->assoc_qp = speq; | |
13039 | ||
f485c18d DK |
13040 | if (!queue_work(phba->wq, &cq->spwork)) |
13041 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13042 | "0390 Cannot schedule soft IRQ " | |
13043 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
13044 | cqid, cq->queue_id, smp_processor_id()); | |
13045 | } | |
13046 | ||
13047 | /** | |
13048 | * lpfc_sli4_sp_process_cq - Process a slow-path event queue entry | |
13049 | * @phba: Pointer to HBA context object. | |
13050 | * | |
13051 | * This routine process a event queue entry from the slow-path event queue. | |
13052 | * It will check the MajorCode and MinorCode to determine this is for a | |
13053 | * completion event on a completion queue, if not, an error shall be logged | |
13054 | * and just return. Otherwise, it will get to the corresponding completion | |
13055 | * queue and process all the entries on that completion queue, rearm the | |
13056 | * completion queue, and then return. | |
13057 | * | |
13058 | **/ | |
13059 | static void | |
13060 | lpfc_sli4_sp_process_cq(struct work_struct *work) | |
13061 | { | |
13062 | struct lpfc_queue *cq = | |
13063 | container_of(work, struct lpfc_queue, spwork); | |
13064 | struct lpfc_hba *phba = cq->phba; | |
13065 | struct lpfc_cqe *cqe; | |
13066 | bool workposted = false; | |
13067 | int ccount = 0; | |
13068 | ||
4f774513 JS |
13069 | /* Process all the entries to the CQ */ |
13070 | switch (cq->type) { | |
13071 | case LPFC_MCQ: | |
13072 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
13073 | workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe); | |
f485c18d | 13074 | if (!(++ccount % cq->entry_repost)) |
7869da18 | 13075 | break; |
b84daac9 | 13076 | cq->CQ_mbox++; |
4f774513 JS |
13077 | } |
13078 | break; | |
13079 | case LPFC_WCQ: | |
13080 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
c8a4ce0b DK |
13081 | if (cq->subtype == LPFC_FCP || |
13082 | cq->subtype == LPFC_NVME) { | |
13083 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
13084 | if (phba->ktime_on) | |
13085 | cq->isr_timestamp = ktime_get_ns(); | |
13086 | else | |
13087 | cq->isr_timestamp = 0; | |
13088 | #endif | |
895427bd | 13089 | workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, |
0558056c | 13090 | cqe); |
c8a4ce0b | 13091 | } else { |
0558056c JS |
13092 | workposted |= lpfc_sli4_sp_handle_cqe(phba, cq, |
13093 | cqe); | |
c8a4ce0b | 13094 | } |
f485c18d | 13095 | if (!(++ccount % cq->entry_repost)) |
7869da18 | 13096 | break; |
4f774513 | 13097 | } |
b84daac9 JS |
13098 | |
13099 | /* Track the max number of CQEs processed in 1 EQ */ | |
f485c18d DK |
13100 | if (ccount > cq->CQ_max_cqe) |
13101 | cq->CQ_max_cqe = ccount; | |
4f774513 JS |
13102 | break; |
13103 | default: | |
13104 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13105 | "0370 Invalid completion queue type (%d)\n", | |
13106 | cq->type); | |
f485c18d | 13107 | return; |
4f774513 JS |
13108 | } |
13109 | ||
13110 | /* Catch the no cq entry condition, log an error */ | |
f485c18d | 13111 | if (unlikely(ccount == 0)) |
4f774513 JS |
13112 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
13113 | "0371 No entry from the CQ: identifier " | |
13114 | "(x%x), type (%d)\n", cq->queue_id, cq->type); | |
13115 | ||
13116 | /* In any case, flash and re-arm the RCQ */ | |
13117 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM); | |
13118 | ||
13119 | /* wake up worker thread if there are works to be done */ | |
13120 | if (workposted) | |
13121 | lpfc_worker_wake_up(phba); | |
13122 | } | |
13123 | ||
13124 | /** | |
13125 | * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry | |
2a76a283 JS |
13126 | * @phba: Pointer to HBA context object. |
13127 | * @cq: Pointer to associated CQ | |
13128 | * @wcqe: Pointer to work-queue completion queue entry. | |
4f774513 JS |
13129 | * |
13130 | * This routine process a fast-path work queue completion entry from fast-path | |
13131 | * event queue for FCP command response completion. | |
13132 | **/ | |
13133 | static void | |
2a76a283 | 13134 | lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13135 | struct lpfc_wcqe_complete *wcqe) |
13136 | { | |
2a76a283 | 13137 | struct lpfc_sli_ring *pring = cq->pring; |
4f774513 JS |
13138 | struct lpfc_iocbq *cmdiocbq; |
13139 | struct lpfc_iocbq irspiocbq; | |
13140 | unsigned long iflags; | |
13141 | ||
4f774513 JS |
13142 | /* Check for response status */ |
13143 | if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) { | |
13144 | /* If resource errors reported from HBA, reduce queue | |
13145 | * depth of the SCSI device. | |
13146 | */ | |
e3d2b802 JS |
13147 | if (((bf_get(lpfc_wcqe_c_status, wcqe) == |
13148 | IOSTAT_LOCAL_REJECT)) && | |
13149 | ((wcqe->parameter & IOERR_PARAM_MASK) == | |
13150 | IOERR_NO_RESOURCES)) | |
4f774513 | 13151 | phba->lpfc_rampdown_queue_depth(phba); |
e3d2b802 | 13152 | |
4f774513 JS |
13153 | /* Log the error status */ |
13154 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13155 | "0373 FCP complete error: status=x%x, " | |
13156 | "hw_status=x%x, total_data_specified=%d, " | |
13157 | "parameter=x%x, word3=x%x\n", | |
13158 | bf_get(lpfc_wcqe_c_status, wcqe), | |
13159 | bf_get(lpfc_wcqe_c_hw_status, wcqe), | |
13160 | wcqe->total_data_placed, wcqe->parameter, | |
13161 | wcqe->word3); | |
13162 | } | |
13163 | ||
13164 | /* Look up the FCP command IOCB and create pseudo response IOCB */ | |
7e56aa25 JS |
13165 | spin_lock_irqsave(&pring->ring_lock, iflags); |
13166 | pring->stats.iocb_event++; | |
4f774513 JS |
13167 | cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring, |
13168 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
7e56aa25 | 13169 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
4f774513 JS |
13170 | if (unlikely(!cmdiocbq)) { |
13171 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13172 | "0374 FCP complete with no corresponding " | |
13173 | "cmdiocb: iotag (%d)\n", | |
13174 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13175 | return; | |
13176 | } | |
c8a4ce0b DK |
13177 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
13178 | cmdiocbq->isr_timestamp = cq->isr_timestamp; | |
13179 | #endif | |
895427bd JS |
13180 | if (cmdiocbq->iocb_cmpl == NULL) { |
13181 | if (cmdiocbq->wqe_cmpl) { | |
13182 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { | |
13183 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13184 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13185 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13186 | } | |
13187 | ||
13188 | /* Pass the cmd_iocb and the wcqe to the upper layer */ | |
13189 | (cmdiocbq->wqe_cmpl)(phba, cmdiocbq, wcqe); | |
13190 | return; | |
13191 | } | |
4f774513 JS |
13192 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, |
13193 | "0375 FCP cmdiocb not callback function " | |
13194 | "iotag: (%d)\n", | |
13195 | bf_get(lpfc_wcqe_c_request_tag, wcqe)); | |
13196 | return; | |
13197 | } | |
13198 | ||
13199 | /* Fake the irspiocb and copy necessary response information */ | |
341af102 | 13200 | lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe); |
4f774513 | 13201 | |
0f65ff68 JS |
13202 | if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) { |
13203 | spin_lock_irqsave(&phba->hbalock, iflags); | |
13204 | cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED; | |
13205 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13206 | } | |
13207 | ||
4f774513 JS |
13208 | /* Pass the cmd_iocb and the rsp state to the upper layer */ |
13209 | (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq); | |
13210 | } | |
13211 | ||
13212 | /** | |
13213 | * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event | |
13214 | * @phba: Pointer to HBA context object. | |
13215 | * @cq: Pointer to completion queue. | |
13216 | * @wcqe: Pointer to work-queue completion queue entry. | |
13217 | * | |
3f8b6fb7 | 13218 | * This routine handles an fast-path WQ entry consumed event by invoking the |
4f774513 JS |
13219 | * proper WQ release routine to the slow-path WQ. |
13220 | **/ | |
13221 | static void | |
13222 | lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13223 | struct lpfc_wcqe_release *wcqe) | |
13224 | { | |
13225 | struct lpfc_queue *childwq; | |
13226 | bool wqid_matched = false; | |
895427bd | 13227 | uint16_t hba_wqid; |
4f774513 JS |
13228 | |
13229 | /* Check for fast-path FCP work queue release */ | |
895427bd | 13230 | hba_wqid = bf_get(lpfc_wcqe_r_wq_id, wcqe); |
4f774513 | 13231 | list_for_each_entry(childwq, &cq->child_list, list) { |
895427bd | 13232 | if (childwq->queue_id == hba_wqid) { |
4f774513 JS |
13233 | lpfc_sli4_wq_release(childwq, |
13234 | bf_get(lpfc_wcqe_r_wqe_index, wcqe)); | |
13235 | wqid_matched = true; | |
13236 | break; | |
13237 | } | |
13238 | } | |
13239 | /* Report warning log message if no match found */ | |
13240 | if (wqid_matched != true) | |
13241 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13242 | "2580 Fast-path wqe consume event carries " | |
895427bd | 13243 | "miss-matched qid: wcqe-qid=x%x\n", hba_wqid); |
4f774513 JS |
13244 | } |
13245 | ||
13246 | /** | |
2d7dbc4c JS |
13247 | * lpfc_sli4_nvmet_handle_rcqe - Process a receive-queue completion queue entry |
13248 | * @phba: Pointer to HBA context object. | |
13249 | * @rcqe: Pointer to receive-queue completion queue entry. | |
4f774513 | 13250 | * |
2d7dbc4c JS |
13251 | * This routine process a receive-queue completion queue entry. |
13252 | * | |
13253 | * Return: true if work posted to worker thread, otherwise false. | |
13254 | **/ | |
13255 | static bool | |
13256 | lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, | |
13257 | struct lpfc_rcqe *rcqe) | |
13258 | { | |
13259 | bool workposted = false; | |
13260 | struct lpfc_queue *hrq; | |
13261 | struct lpfc_queue *drq; | |
13262 | struct rqb_dmabuf *dma_buf; | |
13263 | struct fc_frame_header *fc_hdr; | |
547077a4 | 13264 | struct lpfc_nvmet_tgtport *tgtp; |
2d7dbc4c JS |
13265 | uint32_t status, rq_id; |
13266 | unsigned long iflags; | |
13267 | uint32_t fctl, idx; | |
13268 | ||
13269 | if ((phba->nvmet_support == 0) || | |
13270 | (phba->sli4_hba.nvmet_cqset == NULL)) | |
13271 | return workposted; | |
13272 | ||
13273 | idx = cq->queue_id - phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
13274 | hrq = phba->sli4_hba.nvmet_mrq_hdr[idx]; | |
13275 | drq = phba->sli4_hba.nvmet_mrq_data[idx]; | |
13276 | ||
13277 | /* sanity check on queue memory */ | |
13278 | if (unlikely(!hrq) || unlikely(!drq)) | |
13279 | return workposted; | |
13280 | ||
13281 | if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1) | |
13282 | rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe); | |
13283 | else | |
13284 | rq_id = bf_get(lpfc_rcqe_rq_id, rcqe); | |
13285 | ||
13286 | if ((phba->nvmet_support == 0) || | |
13287 | (rq_id != hrq->queue_id)) | |
13288 | return workposted; | |
13289 | ||
13290 | status = bf_get(lpfc_rcqe_status, rcqe); | |
13291 | switch (status) { | |
13292 | case FC_STATUS_RQ_BUF_LEN_EXCEEDED: | |
13293 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13294 | "6126 Receive Frame Truncated!!\n"); | |
78e1d200 | 13295 | /* Drop thru */ |
2d7dbc4c | 13296 | case FC_STATUS_RQ_SUCCESS: |
2d7dbc4c | 13297 | spin_lock_irqsave(&phba->hbalock, iflags); |
cbc5de1b | 13298 | lpfc_sli4_rq_release(hrq, drq); |
2d7dbc4c JS |
13299 | dma_buf = lpfc_sli_rqbuf_get(phba, hrq); |
13300 | if (!dma_buf) { | |
13301 | hrq->RQ_no_buf_found++; | |
13302 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13303 | goto out; | |
13304 | } | |
13305 | spin_unlock_irqrestore(&phba->hbalock, iflags); | |
13306 | hrq->RQ_rcv_buf++; | |
547077a4 | 13307 | hrq->RQ_buf_posted--; |
2d7dbc4c JS |
13308 | fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; |
13309 | ||
13310 | /* Just some basic sanity checks on FCP Command frame */ | |
13311 | fctl = (fc_hdr->fh_f_ctl[0] << 16 | | |
13312 | fc_hdr->fh_f_ctl[1] << 8 | | |
13313 | fc_hdr->fh_f_ctl[2]); | |
13314 | if (((fctl & | |
13315 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) != | |
13316 | (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) || | |
13317 | (fc_hdr->fh_seq_cnt != 0)) /* 0 byte swapped is still 0 */ | |
13318 | goto drop; | |
13319 | ||
13320 | if (fc_hdr->fh_type == FC_TYPE_FCP) { | |
13321 | dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe); | |
d613b6a7 | 13322 | lpfc_nvmet_unsol_fcp_event( |
66d7ce93 | 13323 | phba, idx, dma_buf, |
c8a4ce0b | 13324 | cq->isr_timestamp); |
2d7dbc4c JS |
13325 | return false; |
13326 | } | |
13327 | drop: | |
13328 | lpfc_in_buf_free(phba, &dma_buf->dbuf); | |
13329 | break; | |
2d7dbc4c | 13330 | case FC_STATUS_INSUFF_BUF_FRM_DISC: |
547077a4 JS |
13331 | if (phba->nvmet_support) { |
13332 | tgtp = phba->targetport->private; | |
13333 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, | |
13334 | "6401 RQE Error x%x, posted %d err_cnt " | |
13335 | "%d: %x %x %x\n", | |
13336 | status, hrq->RQ_buf_posted, | |
13337 | hrq->RQ_no_posted_buf, | |
13338 | atomic_read(&tgtp->rcv_fcp_cmd_in), | |
13339 | atomic_read(&tgtp->rcv_fcp_cmd_out), | |
13340 | atomic_read(&tgtp->xmt_fcp_release)); | |
13341 | } | |
13342 | /* fallthrough */ | |
13343 | ||
13344 | case FC_STATUS_INSUFF_BUF_NEED_BUF: | |
2d7dbc4c JS |
13345 | hrq->RQ_no_posted_buf++; |
13346 | /* Post more buffers if possible */ | |
2d7dbc4c JS |
13347 | break; |
13348 | } | |
13349 | out: | |
13350 | return workposted; | |
13351 | } | |
13352 | ||
4f774513 | 13353 | /** |
895427bd | 13354 | * lpfc_sli4_fp_handle_cqe - Process fast-path work queue completion entry |
4f774513 JS |
13355 | * @cq: Pointer to the completion queue. |
13356 | * @eqe: Pointer to fast-path completion queue entry. | |
13357 | * | |
13358 | * This routine process a fast-path work queue completion entry from fast-path | |
13359 | * event queue for FCP command response completion. | |
13360 | **/ | |
13361 | static int | |
895427bd | 13362 | lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq, |
4f774513 JS |
13363 | struct lpfc_cqe *cqe) |
13364 | { | |
13365 | struct lpfc_wcqe_release wcqe; | |
13366 | bool workposted = false; | |
13367 | ||
13368 | /* Copy the work queue CQE and convert endian order if needed */ | |
13369 | lpfc_sli_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe)); | |
13370 | ||
13371 | /* Check and process for different type of WCQE and dispatch */ | |
13372 | switch (bf_get(lpfc_wcqe_c_code, &wcqe)) { | |
13373 | case CQE_CODE_COMPL_WQE: | |
895427bd | 13374 | case CQE_CODE_NVME_ERSP: |
b84daac9 | 13375 | cq->CQ_wq++; |
4f774513 | 13376 | /* Process the WQ complete event */ |
98fc5dd9 | 13377 | phba->last_completion_time = jiffies; |
895427bd JS |
13378 | if ((cq->subtype == LPFC_FCP) || (cq->subtype == LPFC_NVME)) |
13379 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, | |
13380 | (struct lpfc_wcqe_complete *)&wcqe); | |
13381 | if (cq->subtype == LPFC_NVME_LS) | |
13382 | lpfc_sli4_fp_handle_fcp_wcqe(phba, cq, | |
4f774513 JS |
13383 | (struct lpfc_wcqe_complete *)&wcqe); |
13384 | break; | |
13385 | case CQE_CODE_RELEASE_WQE: | |
b84daac9 | 13386 | cq->CQ_release_wqe++; |
4f774513 JS |
13387 | /* Process the WQ release event */ |
13388 | lpfc_sli4_fp_handle_rel_wcqe(phba, cq, | |
13389 | (struct lpfc_wcqe_release *)&wcqe); | |
13390 | break; | |
13391 | case CQE_CODE_XRI_ABORTED: | |
b84daac9 | 13392 | cq->CQ_xri_aborted++; |
4f774513 | 13393 | /* Process the WQ XRI abort event */ |
bc73905a | 13394 | phba->last_completion_time = jiffies; |
4f774513 JS |
13395 | workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq, |
13396 | (struct sli4_wcqe_xri_aborted *)&wcqe); | |
13397 | break; | |
895427bd JS |
13398 | case CQE_CODE_RECEIVE_V1: |
13399 | case CQE_CODE_RECEIVE: | |
13400 | phba->last_completion_time = jiffies; | |
2d7dbc4c JS |
13401 | if (cq->subtype == LPFC_NVMET) { |
13402 | workposted = lpfc_sli4_nvmet_handle_rcqe( | |
13403 | phba, cq, (struct lpfc_rcqe *)&wcqe); | |
13404 | } | |
895427bd | 13405 | break; |
4f774513 JS |
13406 | default: |
13407 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
895427bd | 13408 | "0144 Not a valid CQE code: x%x\n", |
4f774513 JS |
13409 | bf_get(lpfc_wcqe_c_code, &wcqe)); |
13410 | break; | |
13411 | } | |
13412 | return workposted; | |
13413 | } | |
13414 | ||
13415 | /** | |
67d12733 | 13416 | * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry |
4f774513 JS |
13417 | * @phba: Pointer to HBA context object. |
13418 | * @eqe: Pointer to fast-path event queue entry. | |
13419 | * | |
13420 | * This routine process a event queue entry from the fast-path event queue. | |
13421 | * It will check the MajorCode and MinorCode to determine this is for a | |
13422 | * completion event on a completion queue, if not, an error shall be logged | |
13423 | * and just return. Otherwise, it will get to the corresponding completion | |
13424 | * queue and process all the entries on the completion queue, rearm the | |
13425 | * completion queue, and then return. | |
13426 | **/ | |
f485c18d | 13427 | static void |
67d12733 JS |
13428 | lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, |
13429 | uint32_t qidx) | |
4f774513 | 13430 | { |
895427bd | 13431 | struct lpfc_queue *cq = NULL; |
2d7dbc4c | 13432 | uint16_t cqid, id; |
4f774513 | 13433 | |
cb5172ea | 13434 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { |
4f774513 | 13435 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
67d12733 | 13436 | "0366 Not a valid completion " |
4f774513 | 13437 | "event: majorcode=x%x, minorcode=x%x\n", |
cb5172ea JS |
13438 | bf_get_le32(lpfc_eqe_major_code, eqe), |
13439 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
f485c18d | 13440 | return; |
4f774513 JS |
13441 | } |
13442 | ||
67d12733 JS |
13443 | /* Get the reference to the corresponding CQ */ |
13444 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
13445 | ||
2d7dbc4c JS |
13446 | if (phba->cfg_nvmet_mrq && phba->sli4_hba.nvmet_cqset) { |
13447 | id = phba->sli4_hba.nvmet_cqset[0]->queue_id; | |
13448 | if ((cqid >= id) && (cqid < (id + phba->cfg_nvmet_mrq))) { | |
13449 | /* Process NVMET unsol rcv */ | |
13450 | cq = phba->sli4_hba.nvmet_cqset[cqid - id]; | |
13451 | goto process_cq; | |
13452 | } | |
67d12733 JS |
13453 | } |
13454 | ||
895427bd JS |
13455 | if (phba->sli4_hba.nvme_cq_map && |
13456 | (cqid == phba->sli4_hba.nvme_cq_map[qidx])) { | |
f358dd0c | 13457 | /* Process NVME / NVMET command completion */ |
895427bd JS |
13458 | cq = phba->sli4_hba.nvme_cq[qidx]; |
13459 | goto process_cq; | |
2e90f4b5 | 13460 | } |
67d12733 | 13461 | |
895427bd JS |
13462 | if (phba->sli4_hba.fcp_cq_map && |
13463 | (cqid == phba->sli4_hba.fcp_cq_map[qidx])) { | |
13464 | /* Process FCP command completion */ | |
13465 | cq = phba->sli4_hba.fcp_cq[qidx]; | |
13466 | goto process_cq; | |
2e90f4b5 | 13467 | } |
895427bd JS |
13468 | |
13469 | if (phba->sli4_hba.nvmels_cq && | |
13470 | (cqid == phba->sli4_hba.nvmels_cq->queue_id)) { | |
13471 | /* Process NVME unsol rcv */ | |
13472 | cq = phba->sli4_hba.nvmels_cq; | |
13473 | } | |
13474 | ||
13475 | /* Otherwise this is a Slow path event */ | |
13476 | if (cq == NULL) { | |
f485c18d DK |
13477 | lpfc_sli4_sp_handle_eqe(phba, eqe, phba->sli4_hba.hba_eq[qidx]); |
13478 | return; | |
4f774513 JS |
13479 | } |
13480 | ||
895427bd | 13481 | process_cq: |
4f774513 JS |
13482 | if (unlikely(cqid != cq->queue_id)) { |
13483 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13484 | "0368 Miss-matched fast-path completion " | |
13485 | "queue identifier: eqcqid=%d, fcpcqid=%d\n", | |
13486 | cqid, cq->queue_id); | |
f485c18d | 13487 | return; |
4f774513 JS |
13488 | } |
13489 | ||
895427bd JS |
13490 | /* Save EQ associated with this CQ */ |
13491 | cq->assoc_qp = phba->sli4_hba.hba_eq[qidx]; | |
13492 | ||
f485c18d DK |
13493 | if (!queue_work(phba->wq, &cq->irqwork)) |
13494 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13495 | "0363 Cannot schedule soft IRQ " | |
13496 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
13497 | cqid, cq->queue_id, smp_processor_id()); | |
13498 | } | |
13499 | ||
13500 | /** | |
13501 | * lpfc_sli4_hba_process_cq - Process a fast-path event queue entry | |
13502 | * @phba: Pointer to HBA context object. | |
13503 | * @eqe: Pointer to fast-path event queue entry. | |
13504 | * | |
13505 | * This routine process a event queue entry from the fast-path event queue. | |
13506 | * It will check the MajorCode and MinorCode to determine this is for a | |
13507 | * completion event on a completion queue, if not, an error shall be logged | |
13508 | * and just return. Otherwise, it will get to the corresponding completion | |
13509 | * queue and process all the entries on the completion queue, rearm the | |
13510 | * completion queue, and then return. | |
13511 | **/ | |
13512 | static void | |
13513 | lpfc_sli4_hba_process_cq(struct work_struct *work) | |
13514 | { | |
13515 | struct lpfc_queue *cq = | |
13516 | container_of(work, struct lpfc_queue, irqwork); | |
13517 | struct lpfc_hba *phba = cq->phba; | |
13518 | struct lpfc_cqe *cqe; | |
13519 | bool workposted = false; | |
13520 | int ccount = 0; | |
13521 | ||
4f774513 JS |
13522 | /* Process all the entries to the CQ */ |
13523 | while ((cqe = lpfc_sli4_cq_get(cq))) { | |
c8a4ce0b DK |
13524 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
13525 | if (phba->ktime_on) | |
13526 | cq->isr_timestamp = ktime_get_ns(); | |
13527 | else | |
13528 | cq->isr_timestamp = 0; | |
13529 | #endif | |
895427bd | 13530 | workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe); |
f485c18d | 13531 | if (!(++ccount % cq->entry_repost)) |
7869da18 | 13532 | break; |
4f774513 JS |
13533 | } |
13534 | ||
b84daac9 | 13535 | /* Track the max number of CQEs processed in 1 EQ */ |
f485c18d DK |
13536 | if (ccount > cq->CQ_max_cqe) |
13537 | cq->CQ_max_cqe = ccount; | |
13538 | cq->assoc_qp->EQ_cqe_cnt += ccount; | |
b84daac9 | 13539 | |
4f774513 | 13540 | /* Catch the no cq entry condition */ |
f485c18d | 13541 | if (unlikely(ccount == 0)) |
4f774513 JS |
13542 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
13543 | "0369 No entry from fast-path completion " | |
13544 | "queue fcpcqid=%d\n", cq->queue_id); | |
13545 | ||
13546 | /* In any case, flash and re-arm the CQ */ | |
13547 | lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM); | |
13548 | ||
13549 | /* wake up worker thread if there are works to be done */ | |
13550 | if (workposted) | |
13551 | lpfc_worker_wake_up(phba); | |
13552 | } | |
13553 | ||
13554 | static void | |
13555 | lpfc_sli4_eq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq) | |
13556 | { | |
13557 | struct lpfc_eqe *eqe; | |
13558 | ||
13559 | /* walk all the EQ entries and drop on the floor */ | |
13560 | while ((eqe = lpfc_sli4_eq_get(eq))) | |
13561 | ; | |
13562 | ||
13563 | /* Clear and re-arm the EQ */ | |
13564 | lpfc_sli4_eq_release(eq, LPFC_QUEUE_REARM); | |
13565 | } | |
13566 | ||
1ba981fd JS |
13567 | |
13568 | /** | |
13569 | * lpfc_sli4_fof_handle_eqe - Process a Flash Optimized Fabric event queue | |
13570 | * entry | |
13571 | * @phba: Pointer to HBA context object. | |
13572 | * @eqe: Pointer to fast-path event queue entry. | |
13573 | * | |
13574 | * This routine process a event queue entry from the Flash Optimized Fabric | |
13575 | * event queue. It will check the MajorCode and MinorCode to determine this | |
13576 | * is for a completion event on a completion queue, if not, an error shall be | |
13577 | * logged and just return. Otherwise, it will get to the corresponding | |
13578 | * completion queue and process all the entries on the completion queue, rearm | |
13579 | * the completion queue, and then return. | |
13580 | **/ | |
13581 | static void | |
13582 | lpfc_sli4_fof_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe) | |
13583 | { | |
13584 | struct lpfc_queue *cq; | |
1ba981fd | 13585 | uint16_t cqid; |
1ba981fd JS |
13586 | |
13587 | if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) { | |
13588 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13589 | "9147 Not a valid completion " | |
13590 | "event: majorcode=x%x, minorcode=x%x\n", | |
13591 | bf_get_le32(lpfc_eqe_major_code, eqe), | |
13592 | bf_get_le32(lpfc_eqe_minor_code, eqe)); | |
13593 | return; | |
13594 | } | |
13595 | ||
13596 | /* Get the reference to the corresponding CQ */ | |
13597 | cqid = bf_get_le32(lpfc_eqe_resource_id, eqe); | |
13598 | ||
13599 | /* Next check for OAS */ | |
13600 | cq = phba->sli4_hba.oas_cq; | |
13601 | if (unlikely(!cq)) { | |
13602 | if (phba->sli.sli_flag & LPFC_SLI_ACTIVE) | |
13603 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13604 | "9148 OAS completion queue " | |
13605 | "does not exist\n"); | |
13606 | return; | |
13607 | } | |
13608 | ||
13609 | if (unlikely(cqid != cq->queue_id)) { | |
13610 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13611 | "9149 Miss-matched fast-path compl " | |
13612 | "queue id: eqcqid=%d, fcpcqid=%d\n", | |
13613 | cqid, cq->queue_id); | |
13614 | return; | |
13615 | } | |
13616 | ||
d41b65bc JS |
13617 | /* Save EQ associated with this CQ */ |
13618 | cq->assoc_qp = phba->sli4_hba.fof_eq; | |
13619 | ||
f485c18d DK |
13620 | /* CQ work will be processed on CPU affinitized to this IRQ */ |
13621 | if (!queue_work(phba->wq, &cq->irqwork)) | |
1ba981fd | 13622 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
f485c18d DK |
13623 | "0367 Cannot schedule soft IRQ " |
13624 | "for CQ eqcqid=%d, cqid=%d on CPU %d\n", | |
13625 | cqid, cq->queue_id, smp_processor_id()); | |
1ba981fd JS |
13626 | } |
13627 | ||
13628 | /** | |
13629 | * lpfc_sli4_fof_intr_handler - HBA interrupt handler to SLI-4 device | |
13630 | * @irq: Interrupt number. | |
13631 | * @dev_id: The device context pointer. | |
13632 | * | |
13633 | * This function is directly called from the PCI layer as an interrupt | |
13634 | * service routine when device with SLI-4 interface spec is enabled with | |
13635 | * MSI-X multi-message interrupt mode and there is a Flash Optimized Fabric | |
13636 | * IOCB ring event in the HBA. However, when the device is enabled with either | |
13637 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
13638 | * device-level interrupt handler. When the PCI slot is in error recovery | |
13639 | * or the HBA is undergoing initialization, the interrupt handler will not | |
13640 | * process the interrupt. The Flash Optimized Fabric ring event are handled in | |
13641 | * the intrrupt context. This function is called without any lock held. | |
13642 | * It gets the hbalock to access and update SLI data structures. Note that, | |
13643 | * the EQ to CQ are one-to-one map such that the EQ index is | |
13644 | * equal to that of CQ index. | |
13645 | * | |
13646 | * This function returns IRQ_HANDLED when interrupt is handled else it | |
13647 | * returns IRQ_NONE. | |
13648 | **/ | |
13649 | irqreturn_t | |
13650 | lpfc_sli4_fof_intr_handler(int irq, void *dev_id) | |
13651 | { | |
13652 | struct lpfc_hba *phba; | |
895427bd | 13653 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
1ba981fd JS |
13654 | struct lpfc_queue *eq; |
13655 | struct lpfc_eqe *eqe; | |
13656 | unsigned long iflag; | |
13657 | int ecount = 0; | |
1ba981fd JS |
13658 | |
13659 | /* Get the driver's phba structure from the dev_id */ | |
895427bd JS |
13660 | hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id; |
13661 | phba = hba_eq_hdl->phba; | |
1ba981fd JS |
13662 | |
13663 | if (unlikely(!phba)) | |
13664 | return IRQ_NONE; | |
13665 | ||
13666 | /* Get to the EQ struct associated with this vector */ | |
13667 | eq = phba->sli4_hba.fof_eq; | |
13668 | if (unlikely(!eq)) | |
13669 | return IRQ_NONE; | |
13670 | ||
13671 | /* Check device state for handling interrupt */ | |
13672 | if (unlikely(lpfc_intr_state_check(phba))) { | |
1ba981fd JS |
13673 | /* Check again for link_state with lock held */ |
13674 | spin_lock_irqsave(&phba->hbalock, iflag); | |
13675 | if (phba->link_state < LPFC_LINK_DOWN) | |
13676 | /* Flush, clear interrupt, and rearm the EQ */ | |
13677 | lpfc_sli4_eq_flush(phba, eq); | |
13678 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
13679 | return IRQ_NONE; | |
13680 | } | |
13681 | ||
13682 | /* | |
13683 | * Process all the event on FCP fast-path EQ | |
13684 | */ | |
13685 | while ((eqe = lpfc_sli4_eq_get(eq))) { | |
13686 | lpfc_sli4_fof_handle_eqe(phba, eqe); | |
13687 | if (!(++ecount % eq->entry_repost)) | |
7869da18 | 13688 | break; |
1ba981fd JS |
13689 | eq->EQ_processed++; |
13690 | } | |
13691 | ||
13692 | /* Track the max number of EQEs processed in 1 intr */ | |
13693 | if (ecount > eq->EQ_max_eqe) | |
13694 | eq->EQ_max_eqe = ecount; | |
13695 | ||
13696 | ||
13697 | if (unlikely(ecount == 0)) { | |
13698 | eq->EQ_no_entry++; | |
13699 | ||
13700 | if (phba->intr_type == MSIX) | |
13701 | /* MSI-X treated interrupt served as no EQ share INT */ | |
13702 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13703 | "9145 MSI-X interrupt with no EQE\n"); | |
13704 | else { | |
13705 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
13706 | "9146 ISR interrupt with no EQE\n"); | |
13707 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
13708 | return IRQ_NONE; | |
13709 | } | |
13710 | } | |
13711 | /* Always clear and re-arm the fast-path EQ */ | |
13712 | lpfc_sli4_eq_release(eq, LPFC_QUEUE_REARM); | |
13713 | return IRQ_HANDLED; | |
13714 | } | |
13715 | ||
4f774513 | 13716 | /** |
67d12733 | 13717 | * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device |
4f774513 JS |
13718 | * @irq: Interrupt number. |
13719 | * @dev_id: The device context pointer. | |
13720 | * | |
13721 | * This function is directly called from the PCI layer as an interrupt | |
13722 | * service routine when device with SLI-4 interface spec is enabled with | |
13723 | * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB | |
13724 | * ring event in the HBA. However, when the device is enabled with either | |
13725 | * MSI or Pin-IRQ interrupt mode, this function is called as part of the | |
13726 | * device-level interrupt handler. When the PCI slot is in error recovery | |
13727 | * or the HBA is undergoing initialization, the interrupt handler will not | |
13728 | * process the interrupt. The SCSI FCP fast-path ring event are handled in | |
13729 | * the intrrupt context. This function is called without any lock held. | |
13730 | * It gets the hbalock to access and update SLI data structures. Note that, | |
13731 | * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is | |
13732 | * equal to that of FCP CQ index. | |
13733 | * | |
67d12733 JS |
13734 | * The link attention and ELS ring attention events are handled |
13735 | * by the worker thread. The interrupt handler signals the worker thread | |
13736 | * and returns for these events. This function is called without any lock | |
13737 | * held. It gets the hbalock to access and update SLI data structures. | |
13738 | * | |
4f774513 JS |
13739 | * This function returns IRQ_HANDLED when interrupt is handled else it |
13740 | * returns IRQ_NONE. | |
13741 | **/ | |
13742 | irqreturn_t | |
67d12733 | 13743 | lpfc_sli4_hba_intr_handler(int irq, void *dev_id) |
4f774513 JS |
13744 | { |
13745 | struct lpfc_hba *phba; | |
895427bd | 13746 | struct lpfc_hba_eq_hdl *hba_eq_hdl; |
4f774513 JS |
13747 | struct lpfc_queue *fpeq; |
13748 | struct lpfc_eqe *eqe; | |
13749 | unsigned long iflag; | |
13750 | int ecount = 0; | |
895427bd | 13751 | int hba_eqidx; |
4f774513 JS |
13752 | |
13753 | /* Get the driver's phba structure from the dev_id */ | |
895427bd JS |
13754 | hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id; |
13755 | phba = hba_eq_hdl->phba; | |
13756 | hba_eqidx = hba_eq_hdl->idx; | |
4f774513 JS |
13757 | |
13758 | if (unlikely(!phba)) | |
13759 | return IRQ_NONE; | |
67d12733 | 13760 | if (unlikely(!phba->sli4_hba.hba_eq)) |
5350d872 | 13761 | return IRQ_NONE; |
4f774513 JS |
13762 | |
13763 | /* Get to the EQ struct associated with this vector */ | |
895427bd | 13764 | fpeq = phba->sli4_hba.hba_eq[hba_eqidx]; |
2e90f4b5 JS |
13765 | if (unlikely(!fpeq)) |
13766 | return IRQ_NONE; | |
4f774513 | 13767 | |
ba20c853 | 13768 | if (lpfc_fcp_look_ahead) { |
895427bd | 13769 | if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use)) |
ba20c853 JS |
13770 | lpfc_sli4_eq_clr_intr(fpeq); |
13771 | else { | |
895427bd | 13772 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
ba20c853 JS |
13773 | return IRQ_NONE; |
13774 | } | |
13775 | } | |
13776 | ||
4f774513 JS |
13777 | /* Check device state for handling interrupt */ |
13778 | if (unlikely(lpfc_intr_state_check(phba))) { | |
13779 | /* Check again for link_state with lock held */ | |
13780 | spin_lock_irqsave(&phba->hbalock, iflag); | |
13781 | if (phba->link_state < LPFC_LINK_DOWN) | |
13782 | /* Flush, clear interrupt, and rearm the EQ */ | |
13783 | lpfc_sli4_eq_flush(phba, fpeq); | |
13784 | spin_unlock_irqrestore(&phba->hbalock, iflag); | |
ba20c853 | 13785 | if (lpfc_fcp_look_ahead) |
895427bd | 13786 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
4f774513 JS |
13787 | return IRQ_NONE; |
13788 | } | |
13789 | ||
13790 | /* | |
13791 | * Process all the event on FCP fast-path EQ | |
13792 | */ | |
13793 | while ((eqe = lpfc_sli4_eq_get(fpeq))) { | |
f485c18d DK |
13794 | lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx); |
13795 | if (!(++ecount % fpeq->entry_repost)) | |
7869da18 | 13796 | break; |
b84daac9 | 13797 | fpeq->EQ_processed++; |
4f774513 JS |
13798 | } |
13799 | ||
b84daac9 JS |
13800 | /* Track the max number of EQEs processed in 1 intr */ |
13801 | if (ecount > fpeq->EQ_max_eqe) | |
13802 | fpeq->EQ_max_eqe = ecount; | |
13803 | ||
4f774513 JS |
13804 | /* Always clear and re-arm the fast-path EQ */ |
13805 | lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_REARM); | |
13806 | ||
13807 | if (unlikely(ecount == 0)) { | |
b84daac9 | 13808 | fpeq->EQ_no_entry++; |
ba20c853 JS |
13809 | |
13810 | if (lpfc_fcp_look_ahead) { | |
895427bd | 13811 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
ba20c853 JS |
13812 | return IRQ_NONE; |
13813 | } | |
13814 | ||
4f774513 JS |
13815 | if (phba->intr_type == MSIX) |
13816 | /* MSI-X treated interrupt served as no EQ share INT */ | |
13817 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
13818 | "0358 MSI-X interrupt with no EQE\n"); | |
13819 | else | |
13820 | /* Non MSI-X treated on interrupt as EQ share INT */ | |
13821 | return IRQ_NONE; | |
13822 | } | |
13823 | ||
ba20c853 | 13824 | if (lpfc_fcp_look_ahead) |
895427bd JS |
13825 | atomic_inc(&hba_eq_hdl->hba_eq_in_use); |
13826 | ||
4f774513 JS |
13827 | return IRQ_HANDLED; |
13828 | } /* lpfc_sli4_fp_intr_handler */ | |
13829 | ||
13830 | /** | |
13831 | * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device | |
13832 | * @irq: Interrupt number. | |
13833 | * @dev_id: The device context pointer. | |
13834 | * | |
13835 | * This function is the device-level interrupt handler to device with SLI-4 | |
13836 | * interface spec, called from the PCI layer when either MSI or Pin-IRQ | |
13837 | * interrupt mode is enabled and there is an event in the HBA which requires | |
13838 | * driver attention. This function invokes the slow-path interrupt attention | |
13839 | * handling function and fast-path interrupt attention handling function in | |
13840 | * turn to process the relevant HBA attention events. This function is called | |
13841 | * without any lock held. It gets the hbalock to access and update SLI data | |
13842 | * structures. | |
13843 | * | |
13844 | * This function returns IRQ_HANDLED when interrupt is handled, else it | |
13845 | * returns IRQ_NONE. | |
13846 | **/ | |
13847 | irqreturn_t | |
13848 | lpfc_sli4_intr_handler(int irq, void *dev_id) | |
13849 | { | |
13850 | struct lpfc_hba *phba; | |
67d12733 JS |
13851 | irqreturn_t hba_irq_rc; |
13852 | bool hba_handled = false; | |
895427bd | 13853 | int qidx; |
4f774513 JS |
13854 | |
13855 | /* Get the driver's phba structure from the dev_id */ | |
13856 | phba = (struct lpfc_hba *)dev_id; | |
13857 | ||
13858 | if (unlikely(!phba)) | |
13859 | return IRQ_NONE; | |
13860 | ||
4f774513 JS |
13861 | /* |
13862 | * Invoke fast-path host attention interrupt handling as appropriate. | |
13863 | */ | |
895427bd | 13864 | for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) { |
67d12733 | 13865 | hba_irq_rc = lpfc_sli4_hba_intr_handler(irq, |
895427bd | 13866 | &phba->sli4_hba.hba_eq_hdl[qidx]); |
67d12733 JS |
13867 | if (hba_irq_rc == IRQ_HANDLED) |
13868 | hba_handled |= true; | |
4f774513 JS |
13869 | } |
13870 | ||
1ba981fd JS |
13871 | if (phba->cfg_fof) { |
13872 | hba_irq_rc = lpfc_sli4_fof_intr_handler(irq, | |
895427bd | 13873 | &phba->sli4_hba.hba_eq_hdl[qidx]); |
1ba981fd JS |
13874 | if (hba_irq_rc == IRQ_HANDLED) |
13875 | hba_handled |= true; | |
13876 | } | |
13877 | ||
67d12733 | 13878 | return (hba_handled == true) ? IRQ_HANDLED : IRQ_NONE; |
4f774513 JS |
13879 | } /* lpfc_sli4_intr_handler */ |
13880 | ||
13881 | /** | |
13882 | * lpfc_sli4_queue_free - free a queue structure and associated memory | |
13883 | * @queue: The queue structure to free. | |
13884 | * | |
b595076a | 13885 | * This function frees a queue structure and the DMAable memory used for |
4f774513 JS |
13886 | * the host resident queue. This function must be called after destroying the |
13887 | * queue on the HBA. | |
13888 | **/ | |
13889 | void | |
13890 | lpfc_sli4_queue_free(struct lpfc_queue *queue) | |
13891 | { | |
13892 | struct lpfc_dmabuf *dmabuf; | |
13893 | ||
13894 | if (!queue) | |
13895 | return; | |
13896 | ||
13897 | while (!list_empty(&queue->page_list)) { | |
13898 | list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf, | |
13899 | list); | |
81b96eda | 13900 | dma_free_coherent(&queue->phba->pcidev->dev, queue->page_size, |
4f774513 JS |
13901 | dmabuf->virt, dmabuf->phys); |
13902 | kfree(dmabuf); | |
13903 | } | |
895427bd JS |
13904 | if (queue->rqbp) { |
13905 | lpfc_free_rq_buffer(queue->phba, queue); | |
13906 | kfree(queue->rqbp); | |
13907 | } | |
d1f525aa JS |
13908 | |
13909 | if (!list_empty(&queue->wq_list)) | |
13910 | list_del(&queue->wq_list); | |
13911 | ||
4f774513 JS |
13912 | kfree(queue); |
13913 | return; | |
13914 | } | |
13915 | ||
13916 | /** | |
13917 | * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure | |
13918 | * @phba: The HBA that this queue is being created on. | |
81b96eda | 13919 | * @page_size: The size of a queue page |
4f774513 JS |
13920 | * @entry_size: The size of each queue entry for this queue. |
13921 | * @entry count: The number of entries that this queue will handle. | |
13922 | * | |
13923 | * This function allocates a queue structure and the DMAable memory used for | |
13924 | * the host resident queue. This function must be called before creating the | |
13925 | * queue on the HBA. | |
13926 | **/ | |
13927 | struct lpfc_queue * | |
81b96eda JS |
13928 | lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t page_size, |
13929 | uint32_t entry_size, uint32_t entry_count) | |
4f774513 JS |
13930 | { |
13931 | struct lpfc_queue *queue; | |
13932 | struct lpfc_dmabuf *dmabuf; | |
13933 | int x, total_qe_count; | |
13934 | void *dma_pointer; | |
cb5172ea | 13935 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
4f774513 | 13936 | |
cb5172ea | 13937 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 13938 | hw_page_size = page_size; |
cb5172ea | 13939 | |
4f774513 JS |
13940 | queue = kzalloc(sizeof(struct lpfc_queue) + |
13941 | (sizeof(union sli4_qe) * entry_count), GFP_KERNEL); | |
13942 | if (!queue) | |
13943 | return NULL; | |
cb5172ea JS |
13944 | queue->page_count = (ALIGN(entry_size * entry_count, |
13945 | hw_page_size))/hw_page_size; | |
895427bd JS |
13946 | |
13947 | /* If needed, Adjust page count to match the max the adapter supports */ | |
13948 | if (queue->page_count > phba->sli4_hba.pc_sli4_params.wqpcnt) | |
13949 | queue->page_count = phba->sli4_hba.pc_sli4_params.wqpcnt; | |
13950 | ||
4f774513 | 13951 | INIT_LIST_HEAD(&queue->list); |
895427bd | 13952 | INIT_LIST_HEAD(&queue->wq_list); |
4f774513 JS |
13953 | INIT_LIST_HEAD(&queue->page_list); |
13954 | INIT_LIST_HEAD(&queue->child_list); | |
81b96eda JS |
13955 | |
13956 | /* Set queue parameters now. If the system cannot provide memory | |
13957 | * resources, the free routine needs to know what was allocated. | |
13958 | */ | |
13959 | queue->entry_size = entry_size; | |
13960 | queue->entry_count = entry_count; | |
13961 | queue->page_size = hw_page_size; | |
13962 | queue->phba = phba; | |
13963 | ||
4f774513 JS |
13964 | for (x = 0, total_qe_count = 0; x < queue->page_count; x++) { |
13965 | dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
13966 | if (!dmabuf) | |
13967 | goto out_fail; | |
1aee383d JP |
13968 | dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, |
13969 | hw_page_size, &dmabuf->phys, | |
13970 | GFP_KERNEL); | |
4f774513 JS |
13971 | if (!dmabuf->virt) { |
13972 | kfree(dmabuf); | |
13973 | goto out_fail; | |
13974 | } | |
13975 | dmabuf->buffer_tag = x; | |
13976 | list_add_tail(&dmabuf->list, &queue->page_list); | |
13977 | /* initialize queue's entry array */ | |
13978 | dma_pointer = dmabuf->virt; | |
13979 | for (; total_qe_count < entry_count && | |
cb5172ea | 13980 | dma_pointer < (hw_page_size + dmabuf->virt); |
4f774513 JS |
13981 | total_qe_count++, dma_pointer += entry_size) { |
13982 | queue->qe[total_qe_count].address = dma_pointer; | |
13983 | } | |
13984 | } | |
f485c18d DK |
13985 | INIT_WORK(&queue->irqwork, lpfc_sli4_hba_process_cq); |
13986 | INIT_WORK(&queue->spwork, lpfc_sli4_sp_process_cq); | |
4f774513 | 13987 | |
64eb4dcb JS |
13988 | /* entry_repost will be set during q creation */ |
13989 | ||
4f774513 JS |
13990 | return queue; |
13991 | out_fail: | |
13992 | lpfc_sli4_queue_free(queue); | |
13993 | return NULL; | |
13994 | } | |
13995 | ||
962bc51b JS |
13996 | /** |
13997 | * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory | |
13998 | * @phba: HBA structure that indicates port to create a queue on. | |
13999 | * @pci_barset: PCI BAR set flag. | |
14000 | * | |
14001 | * This function shall perform iomap of the specified PCI BAR address to host | |
14002 | * memory address if not already done so and return it. The returned host | |
14003 | * memory address can be NULL. | |
14004 | */ | |
14005 | static void __iomem * | |
14006 | lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset) | |
14007 | { | |
962bc51b JS |
14008 | if (!phba->pcidev) |
14009 | return NULL; | |
962bc51b JS |
14010 | |
14011 | switch (pci_barset) { | |
14012 | case WQ_PCI_BAR_0_AND_1: | |
962bc51b JS |
14013 | return phba->pci_bar0_memmap_p; |
14014 | case WQ_PCI_BAR_2_AND_3: | |
962bc51b JS |
14015 | return phba->pci_bar2_memmap_p; |
14016 | case WQ_PCI_BAR_4_AND_5: | |
962bc51b JS |
14017 | return phba->pci_bar4_memmap_p; |
14018 | default: | |
14019 | break; | |
14020 | } | |
14021 | return NULL; | |
14022 | } | |
14023 | ||
173edbb2 | 14024 | /** |
895427bd | 14025 | * lpfc_modify_hba_eq_delay - Modify Delay Multiplier on FCP EQs |
173edbb2 JS |
14026 | * @phba: HBA structure that indicates port to create a queue on. |
14027 | * @startq: The starting FCP EQ to modify | |
14028 | * | |
14029 | * This function sends an MODIFY_EQ_DELAY mailbox command to the HBA. | |
43140ca6 JS |
14030 | * The command allows up to LPFC_MAX_EQ_DELAY_EQID_CNT EQ ID's to be |
14031 | * updated in one mailbox command. | |
173edbb2 JS |
14032 | * |
14033 | * The @phba struct is used to send mailbox command to HBA. The @startq | |
14034 | * is used to get the starting FCP EQ to change. | |
14035 | * This function is asynchronous and will wait for the mailbox | |
14036 | * command to finish before continuing. | |
14037 | * | |
14038 | * On success this function will return a zero. If unable to allocate enough | |
14039 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
14040 | * fails this function will return -ENXIO. | |
14041 | **/ | |
a2fc4aef | 14042 | int |
0cf07f84 JS |
14043 | lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq, |
14044 | uint32_t numq, uint32_t imax) | |
173edbb2 JS |
14045 | { |
14046 | struct lpfc_mbx_modify_eq_delay *eq_delay; | |
14047 | LPFC_MBOXQ_t *mbox; | |
14048 | struct lpfc_queue *eq; | |
14049 | int cnt, rc, length, status = 0; | |
14050 | uint32_t shdr_status, shdr_add_status; | |
0cf07f84 | 14051 | uint32_t result, val; |
895427bd | 14052 | int qidx; |
173edbb2 JS |
14053 | union lpfc_sli4_cfg_shdr *shdr; |
14054 | uint16_t dmult; | |
14055 | ||
895427bd | 14056 | if (startq >= phba->io_channel_irqs) |
173edbb2 JS |
14057 | return 0; |
14058 | ||
14059 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14060 | if (!mbox) | |
14061 | return -ENOMEM; | |
14062 | length = (sizeof(struct lpfc_mbx_modify_eq_delay) - | |
14063 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14064 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14065 | LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY, | |
14066 | length, LPFC_SLI4_MBX_EMBED); | |
14067 | eq_delay = &mbox->u.mqe.un.eq_delay; | |
14068 | ||
14069 | /* Calculate delay multiper from maximum interrupt per second */ | |
0cf07f84 | 14070 | result = imax / phba->io_channel_irqs; |
895427bd | 14071 | if (result > LPFC_DMULT_CONST || result == 0) |
ee02006b JS |
14072 | dmult = 0; |
14073 | else | |
14074 | dmult = LPFC_DMULT_CONST/result - 1; | |
0cf07f84 JS |
14075 | if (dmult > LPFC_DMULT_MAX) |
14076 | dmult = LPFC_DMULT_MAX; | |
173edbb2 JS |
14077 | |
14078 | cnt = 0; | |
895427bd JS |
14079 | for (qidx = startq; qidx < phba->io_channel_irqs; qidx++) { |
14080 | eq = phba->sli4_hba.hba_eq[qidx]; | |
173edbb2 JS |
14081 | if (!eq) |
14082 | continue; | |
0cf07f84 | 14083 | eq->q_mode = imax; |
173edbb2 JS |
14084 | eq_delay->u.request.eq[cnt].eq_id = eq->queue_id; |
14085 | eq_delay->u.request.eq[cnt].phase = 0; | |
14086 | eq_delay->u.request.eq[cnt].delay_multi = dmult; | |
14087 | cnt++; | |
0cf07f84 JS |
14088 | |
14089 | /* q_mode is only used for auto_imax */ | |
14090 | if (phba->sli.sli_flag & LPFC_SLI_USE_EQDR) { | |
14091 | /* Use EQ Delay Register method for q_mode */ | |
14092 | ||
14093 | /* Convert for EQ Delay register */ | |
14094 | val = phba->cfg_fcp_imax; | |
14095 | if (val) { | |
14096 | /* First, interrupts per sec per EQ */ | |
14097 | val = phba->cfg_fcp_imax / | |
14098 | phba->io_channel_irqs; | |
14099 | ||
14100 | /* us delay between each interrupt */ | |
14101 | val = LPFC_SEC_TO_USEC / val; | |
14102 | } | |
14103 | eq->q_mode = val; | |
14104 | } else { | |
14105 | eq->q_mode = imax; | |
14106 | } | |
14107 | ||
14108 | if (cnt >= numq) | |
173edbb2 JS |
14109 | break; |
14110 | } | |
14111 | eq_delay->u.request.num_eq = cnt; | |
14112 | ||
14113 | mbox->vport = phba->pport; | |
14114 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
14115 | mbox->context1 = NULL; | |
14116 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14117 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_delay->header.cfg_shdr; | |
14118 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14119 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14120 | if (shdr_status || shdr_add_status || rc) { | |
14121 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14122 | "2512 MODIFY_EQ_DELAY mailbox failed with " | |
14123 | "status x%x add_status x%x, mbx status x%x\n", | |
14124 | shdr_status, shdr_add_status, rc); | |
14125 | status = -ENXIO; | |
14126 | } | |
14127 | mempool_free(mbox, phba->mbox_mem_pool); | |
14128 | return status; | |
14129 | } | |
14130 | ||
4f774513 JS |
14131 | /** |
14132 | * lpfc_eq_create - Create an Event Queue on the HBA | |
14133 | * @phba: HBA structure that indicates port to create a queue on. | |
14134 | * @eq: The queue structure to use to create the event queue. | |
14135 | * @imax: The maximum interrupt per second limit. | |
14136 | * | |
14137 | * This function creates an event queue, as detailed in @eq, on a port, | |
14138 | * described by @phba by sending an EQ_CREATE mailbox command to the HBA. | |
14139 | * | |
14140 | * The @phba struct is used to send mailbox command to HBA. The @eq struct | |
14141 | * is used to get the entry count and entry size that are necessary to | |
14142 | * determine the number of pages to allocate and use for this queue. This | |
14143 | * function will send the EQ_CREATE mailbox command to the HBA to setup the | |
14144 | * event queue. This function is asynchronous and will wait for the mailbox | |
14145 | * command to finish before continuing. | |
14146 | * | |
14147 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14148 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14149 | * fails this function will return -ENXIO. | |
4f774513 | 14150 | **/ |
a2fc4aef | 14151 | int |
ee02006b | 14152 | lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) |
4f774513 JS |
14153 | { |
14154 | struct lpfc_mbx_eq_create *eq_create; | |
14155 | LPFC_MBOXQ_t *mbox; | |
14156 | int rc, length, status = 0; | |
14157 | struct lpfc_dmabuf *dmabuf; | |
14158 | uint32_t shdr_status, shdr_add_status; | |
14159 | union lpfc_sli4_cfg_shdr *shdr; | |
14160 | uint16_t dmult; | |
49198b37 JS |
14161 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
14162 | ||
2e90f4b5 JS |
14163 | /* sanity check on queue memory */ |
14164 | if (!eq) | |
14165 | return -ENODEV; | |
49198b37 JS |
14166 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14167 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
14168 | |
14169 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14170 | if (!mbox) | |
14171 | return -ENOMEM; | |
14172 | length = (sizeof(struct lpfc_mbx_eq_create) - | |
14173 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14174 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14175 | LPFC_MBOX_OPCODE_EQ_CREATE, | |
14176 | length, LPFC_SLI4_MBX_EMBED); | |
14177 | eq_create = &mbox->u.mqe.un.eq_create; | |
14178 | bf_set(lpfc_mbx_eq_create_num_pages, &eq_create->u.request, | |
14179 | eq->page_count); | |
14180 | bf_set(lpfc_eq_context_size, &eq_create->u.request.context, | |
14181 | LPFC_EQE_SIZE); | |
14182 | bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1); | |
2c9c5a00 JS |
14183 | /* don't setup delay multiplier using EQ_CREATE */ |
14184 | dmult = 0; | |
4f774513 JS |
14185 | bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context, |
14186 | dmult); | |
14187 | switch (eq->entry_count) { | |
14188 | default: | |
14189 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14190 | "0360 Unsupported EQ count. (%d)\n", | |
14191 | eq->entry_count); | |
14192 | if (eq->entry_count < 256) | |
14193 | return -EINVAL; | |
14194 | /* otherwise default to smallest count (drop through) */ | |
14195 | case 256: | |
14196 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14197 | LPFC_EQ_CNT_256); | |
14198 | break; | |
14199 | case 512: | |
14200 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14201 | LPFC_EQ_CNT_512); | |
14202 | break; | |
14203 | case 1024: | |
14204 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14205 | LPFC_EQ_CNT_1024); | |
14206 | break; | |
14207 | case 2048: | |
14208 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14209 | LPFC_EQ_CNT_2048); | |
14210 | break; | |
14211 | case 4096: | |
14212 | bf_set(lpfc_eq_context_count, &eq_create->u.request.context, | |
14213 | LPFC_EQ_CNT_4096); | |
14214 | break; | |
14215 | } | |
14216 | list_for_each_entry(dmabuf, &eq->page_list, list) { | |
49198b37 | 14217 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
14218 | eq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
14219 | putPaddrLow(dmabuf->phys); | |
14220 | eq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14221 | putPaddrHigh(dmabuf->phys); | |
14222 | } | |
14223 | mbox->vport = phba->pport; | |
14224 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
14225 | mbox->context1 = NULL; | |
14226 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14227 | shdr = (union lpfc_sli4_cfg_shdr *) &eq_create->header.cfg_shdr; | |
14228 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14229 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14230 | if (shdr_status || shdr_add_status || rc) { | |
14231 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14232 | "2500 EQ_CREATE mailbox failed with " | |
14233 | "status x%x add_status x%x, mbx status x%x\n", | |
14234 | shdr_status, shdr_add_status, rc); | |
14235 | status = -ENXIO; | |
14236 | } | |
14237 | eq->type = LPFC_EQ; | |
14238 | eq->subtype = LPFC_NONE; | |
14239 | eq->queue_id = bf_get(lpfc_mbx_eq_create_q_id, &eq_create->u.response); | |
14240 | if (eq->queue_id == 0xFFFF) | |
14241 | status = -ENXIO; | |
14242 | eq->host_index = 0; | |
14243 | eq->hba_index = 0; | |
64eb4dcb | 14244 | eq->entry_repost = LPFC_EQ_REPOST; |
4f774513 | 14245 | |
8fa38513 | 14246 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
14247 | return status; |
14248 | } | |
14249 | ||
14250 | /** | |
14251 | * lpfc_cq_create - Create a Completion Queue on the HBA | |
14252 | * @phba: HBA structure that indicates port to create a queue on. | |
14253 | * @cq: The queue structure to use to create the completion queue. | |
14254 | * @eq: The event queue to bind this completion queue to. | |
14255 | * | |
14256 | * This function creates a completion queue, as detailed in @wq, on a port, | |
14257 | * described by @phba by sending a CQ_CREATE mailbox command to the HBA. | |
14258 | * | |
14259 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14260 | * is used to get the entry count and entry size that are necessary to | |
14261 | * determine the number of pages to allocate and use for this queue. The @eq | |
14262 | * is used to indicate which event queue to bind this completion queue to. This | |
14263 | * function will send the CQ_CREATE mailbox command to the HBA to setup the | |
14264 | * completion queue. This function is asynchronous and will wait for the mailbox | |
14265 | * command to finish before continuing. | |
14266 | * | |
14267 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14268 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14269 | * fails this function will return -ENXIO. | |
4f774513 | 14270 | **/ |
a2fc4aef | 14271 | int |
4f774513 JS |
14272 | lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, |
14273 | struct lpfc_queue *eq, uint32_t type, uint32_t subtype) | |
14274 | { | |
14275 | struct lpfc_mbx_cq_create *cq_create; | |
14276 | struct lpfc_dmabuf *dmabuf; | |
14277 | LPFC_MBOXQ_t *mbox; | |
14278 | int rc, length, status = 0; | |
14279 | uint32_t shdr_status, shdr_add_status; | |
14280 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 JS |
14281 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
14282 | ||
2e90f4b5 JS |
14283 | /* sanity check on queue memory */ |
14284 | if (!cq || !eq) | |
14285 | return -ENODEV; | |
49198b37 | 14286 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 14287 | hw_page_size = cq->page_size; |
49198b37 | 14288 | |
4f774513 JS |
14289 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
14290 | if (!mbox) | |
14291 | return -ENOMEM; | |
14292 | length = (sizeof(struct lpfc_mbx_cq_create) - | |
14293 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14294 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14295 | LPFC_MBOX_OPCODE_CQ_CREATE, | |
14296 | length, LPFC_SLI4_MBX_EMBED); | |
14297 | cq_create = &mbox->u.mqe.un.cq_create; | |
5a6f133e | 14298 | shdr = (union lpfc_sli4_cfg_shdr *) &cq_create->header.cfg_shdr; |
4f774513 JS |
14299 | bf_set(lpfc_mbx_cq_create_num_pages, &cq_create->u.request, |
14300 | cq->page_count); | |
14301 | bf_set(lpfc_cq_context_event, &cq_create->u.request.context, 1); | |
14302 | bf_set(lpfc_cq_context_valid, &cq_create->u.request.context, 1); | |
5a6f133e JS |
14303 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14304 | phba->sli4_hba.pc_sli4_params.cqv); | |
14305 | if (phba->sli4_hba.pc_sli4_params.cqv == LPFC_Q_CREATE_VERSION_2) { | |
81b96eda JS |
14306 | bf_set(lpfc_mbx_cq_create_page_size, &cq_create->u.request, |
14307 | (cq->page_size / SLI4_PAGE_SIZE)); | |
5a6f133e JS |
14308 | bf_set(lpfc_cq_eq_id_2, &cq_create->u.request.context, |
14309 | eq->queue_id); | |
14310 | } else { | |
14311 | bf_set(lpfc_cq_eq_id, &cq_create->u.request.context, | |
14312 | eq->queue_id); | |
14313 | } | |
4f774513 | 14314 | switch (cq->entry_count) { |
81b96eda JS |
14315 | case 2048: |
14316 | case 4096: | |
14317 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
14318 | LPFC_Q_CREATE_VERSION_2) { | |
14319 | cq_create->u.request.context.lpfc_cq_context_count = | |
14320 | cq->entry_count; | |
14321 | bf_set(lpfc_cq_context_count, | |
14322 | &cq_create->u.request.context, | |
14323 | LPFC_CQ_CNT_WORD7); | |
14324 | break; | |
14325 | } | |
14326 | /* Fall Thru */ | |
4f774513 JS |
14327 | default: |
14328 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
2ea259ee | 14329 | "0361 Unsupported CQ count: " |
64eb4dcb | 14330 | "entry cnt %d sz %d pg cnt %d\n", |
2ea259ee | 14331 | cq->entry_count, cq->entry_size, |
64eb4dcb | 14332 | cq->page_count); |
4f4c1863 JS |
14333 | if (cq->entry_count < 256) { |
14334 | status = -EINVAL; | |
14335 | goto out; | |
14336 | } | |
4f774513 JS |
14337 | /* otherwise default to smallest count (drop through) */ |
14338 | case 256: | |
14339 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14340 | LPFC_CQ_CNT_256); | |
14341 | break; | |
14342 | case 512: | |
14343 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14344 | LPFC_CQ_CNT_512); | |
14345 | break; | |
14346 | case 1024: | |
14347 | bf_set(lpfc_cq_context_count, &cq_create->u.request.context, | |
14348 | LPFC_CQ_CNT_1024); | |
14349 | break; | |
14350 | } | |
14351 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
81b96eda | 14352 | memset(dmabuf->virt, 0, cq->page_size); |
4f774513 JS |
14353 | cq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
14354 | putPaddrLow(dmabuf->phys); | |
14355 | cq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14356 | putPaddrHigh(dmabuf->phys); | |
14357 | } | |
14358 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14359 | ||
14360 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
14361 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14362 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14363 | if (shdr_status || shdr_add_status || rc) { | |
14364 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14365 | "2501 CQ_CREATE mailbox failed with " | |
14366 | "status x%x add_status x%x, mbx status x%x\n", | |
14367 | shdr_status, shdr_add_status, rc); | |
14368 | status = -ENXIO; | |
14369 | goto out; | |
14370 | } | |
14371 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
14372 | if (cq->queue_id == 0xFFFF) { | |
14373 | status = -ENXIO; | |
14374 | goto out; | |
14375 | } | |
14376 | /* link the cq onto the parent eq child list */ | |
14377 | list_add_tail(&cq->list, &eq->child_list); | |
14378 | /* Set up completion queue's type and subtype */ | |
14379 | cq->type = type; | |
14380 | cq->subtype = subtype; | |
14381 | cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response); | |
2a622bfb | 14382 | cq->assoc_qid = eq->queue_id; |
4f774513 JS |
14383 | cq->host_index = 0; |
14384 | cq->hba_index = 0; | |
64eb4dcb | 14385 | cq->entry_repost = LPFC_CQ_REPOST; |
4f774513 | 14386 | |
8fa38513 JS |
14387 | out: |
14388 | mempool_free(mbox, phba->mbox_mem_pool); | |
4f774513 JS |
14389 | return status; |
14390 | } | |
14391 | ||
2d7dbc4c JS |
14392 | /** |
14393 | * lpfc_cq_create_set - Create a set of Completion Queues on the HBA for MRQ | |
14394 | * @phba: HBA structure that indicates port to create a queue on. | |
14395 | * @cqp: The queue structure array to use to create the completion queues. | |
14396 | * @eqp: The event queue array to bind these completion queues to. | |
14397 | * | |
14398 | * This function creates a set of completion queue, s to support MRQ | |
14399 | * as detailed in @cqp, on a port, | |
14400 | * described by @phba by sending a CREATE_CQ_SET mailbox command to the HBA. | |
14401 | * | |
14402 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14403 | * is used to get the entry count and entry size that are necessary to | |
14404 | * determine the number of pages to allocate and use for this queue. The @eq | |
14405 | * is used to indicate which event queue to bind this completion queue to. This | |
14406 | * function will send the CREATE_CQ_SET mailbox command to the HBA to setup the | |
14407 | * completion queue. This function is asynchronous and will wait for the mailbox | |
14408 | * command to finish before continuing. | |
14409 | * | |
14410 | * On success this function will return a zero. If unable to allocate enough | |
14411 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
14412 | * fails this function will return -ENXIO. | |
14413 | **/ | |
14414 | int | |
14415 | lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, | |
14416 | struct lpfc_queue **eqp, uint32_t type, uint32_t subtype) | |
14417 | { | |
14418 | struct lpfc_queue *cq; | |
14419 | struct lpfc_queue *eq; | |
14420 | struct lpfc_mbx_cq_create_set *cq_set; | |
14421 | struct lpfc_dmabuf *dmabuf; | |
14422 | LPFC_MBOXQ_t *mbox; | |
14423 | int rc, length, alloclen, status = 0; | |
14424 | int cnt, idx, numcq, page_idx = 0; | |
14425 | uint32_t shdr_status, shdr_add_status; | |
14426 | union lpfc_sli4_cfg_shdr *shdr; | |
14427 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
14428 | ||
14429 | /* sanity check on queue memory */ | |
14430 | numcq = phba->cfg_nvmet_mrq; | |
14431 | if (!cqp || !eqp || !numcq) | |
14432 | return -ENODEV; | |
2d7dbc4c JS |
14433 | |
14434 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14435 | if (!mbox) | |
14436 | return -ENOMEM; | |
14437 | ||
14438 | length = sizeof(struct lpfc_mbx_cq_create_set); | |
14439 | length += ((numcq * cqp[0]->page_count) * | |
14440 | sizeof(struct dma_address)); | |
14441 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
14442 | LPFC_MBOX_OPCODE_FCOE_CQ_CREATE_SET, length, | |
14443 | LPFC_SLI4_MBX_NEMBED); | |
14444 | if (alloclen < length) { | |
14445 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14446 | "3098 Allocated DMA memory size (%d) is " | |
14447 | "less than the requested DMA memory size " | |
14448 | "(%d)\n", alloclen, length); | |
14449 | status = -ENOMEM; | |
14450 | goto out; | |
14451 | } | |
14452 | cq_set = mbox->sge_array->addr[0]; | |
14453 | shdr = (union lpfc_sli4_cfg_shdr *)&cq_set->cfg_shdr; | |
14454 | bf_set(lpfc_mbox_hdr_version, &shdr->request, 0); | |
14455 | ||
14456 | for (idx = 0; idx < numcq; idx++) { | |
14457 | cq = cqp[idx]; | |
14458 | eq = eqp[idx]; | |
14459 | if (!cq || !eq) { | |
14460 | status = -ENOMEM; | |
14461 | goto out; | |
14462 | } | |
81b96eda JS |
14463 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14464 | hw_page_size = cq->page_size; | |
2d7dbc4c JS |
14465 | |
14466 | switch (idx) { | |
14467 | case 0: | |
14468 | bf_set(lpfc_mbx_cq_create_set_page_size, | |
14469 | &cq_set->u.request, | |
14470 | (hw_page_size / SLI4_PAGE_SIZE)); | |
14471 | bf_set(lpfc_mbx_cq_create_set_num_pages, | |
14472 | &cq_set->u.request, cq->page_count); | |
14473 | bf_set(lpfc_mbx_cq_create_set_evt, | |
14474 | &cq_set->u.request, 1); | |
14475 | bf_set(lpfc_mbx_cq_create_set_valid, | |
14476 | &cq_set->u.request, 1); | |
14477 | bf_set(lpfc_mbx_cq_create_set_cqe_size, | |
14478 | &cq_set->u.request, 0); | |
14479 | bf_set(lpfc_mbx_cq_create_set_num_cq, | |
14480 | &cq_set->u.request, numcq); | |
14481 | switch (cq->entry_count) { | |
81b96eda JS |
14482 | case 2048: |
14483 | case 4096: | |
14484 | if (phba->sli4_hba.pc_sli4_params.cqv == | |
14485 | LPFC_Q_CREATE_VERSION_2) { | |
14486 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14487 | &cq_set->u.request, | |
14488 | cq->entry_count); | |
14489 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14490 | &cq_set->u.request, | |
14491 | LPFC_CQ_CNT_WORD7); | |
14492 | break; | |
14493 | } | |
14494 | /* Fall Thru */ | |
2d7dbc4c JS |
14495 | default: |
14496 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14497 | "3118 Bad CQ count. (%d)\n", | |
14498 | cq->entry_count); | |
14499 | if (cq->entry_count < 256) { | |
14500 | status = -EINVAL; | |
14501 | goto out; | |
14502 | } | |
14503 | /* otherwise default to smallest (drop thru) */ | |
14504 | case 256: | |
14505 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14506 | &cq_set->u.request, LPFC_CQ_CNT_256); | |
14507 | break; | |
14508 | case 512: | |
14509 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14510 | &cq_set->u.request, LPFC_CQ_CNT_512); | |
14511 | break; | |
14512 | case 1024: | |
14513 | bf_set(lpfc_mbx_cq_create_set_cqe_cnt, | |
14514 | &cq_set->u.request, LPFC_CQ_CNT_1024); | |
14515 | break; | |
14516 | } | |
14517 | bf_set(lpfc_mbx_cq_create_set_eq_id0, | |
14518 | &cq_set->u.request, eq->queue_id); | |
14519 | break; | |
14520 | case 1: | |
14521 | bf_set(lpfc_mbx_cq_create_set_eq_id1, | |
14522 | &cq_set->u.request, eq->queue_id); | |
14523 | break; | |
14524 | case 2: | |
14525 | bf_set(lpfc_mbx_cq_create_set_eq_id2, | |
14526 | &cq_set->u.request, eq->queue_id); | |
14527 | break; | |
14528 | case 3: | |
14529 | bf_set(lpfc_mbx_cq_create_set_eq_id3, | |
14530 | &cq_set->u.request, eq->queue_id); | |
14531 | break; | |
14532 | case 4: | |
14533 | bf_set(lpfc_mbx_cq_create_set_eq_id4, | |
14534 | &cq_set->u.request, eq->queue_id); | |
14535 | break; | |
14536 | case 5: | |
14537 | bf_set(lpfc_mbx_cq_create_set_eq_id5, | |
14538 | &cq_set->u.request, eq->queue_id); | |
14539 | break; | |
14540 | case 6: | |
14541 | bf_set(lpfc_mbx_cq_create_set_eq_id6, | |
14542 | &cq_set->u.request, eq->queue_id); | |
14543 | break; | |
14544 | case 7: | |
14545 | bf_set(lpfc_mbx_cq_create_set_eq_id7, | |
14546 | &cq_set->u.request, eq->queue_id); | |
14547 | break; | |
14548 | case 8: | |
14549 | bf_set(lpfc_mbx_cq_create_set_eq_id8, | |
14550 | &cq_set->u.request, eq->queue_id); | |
14551 | break; | |
14552 | case 9: | |
14553 | bf_set(lpfc_mbx_cq_create_set_eq_id9, | |
14554 | &cq_set->u.request, eq->queue_id); | |
14555 | break; | |
14556 | case 10: | |
14557 | bf_set(lpfc_mbx_cq_create_set_eq_id10, | |
14558 | &cq_set->u.request, eq->queue_id); | |
14559 | break; | |
14560 | case 11: | |
14561 | bf_set(lpfc_mbx_cq_create_set_eq_id11, | |
14562 | &cq_set->u.request, eq->queue_id); | |
14563 | break; | |
14564 | case 12: | |
14565 | bf_set(lpfc_mbx_cq_create_set_eq_id12, | |
14566 | &cq_set->u.request, eq->queue_id); | |
14567 | break; | |
14568 | case 13: | |
14569 | bf_set(lpfc_mbx_cq_create_set_eq_id13, | |
14570 | &cq_set->u.request, eq->queue_id); | |
14571 | break; | |
14572 | case 14: | |
14573 | bf_set(lpfc_mbx_cq_create_set_eq_id14, | |
14574 | &cq_set->u.request, eq->queue_id); | |
14575 | break; | |
14576 | case 15: | |
14577 | bf_set(lpfc_mbx_cq_create_set_eq_id15, | |
14578 | &cq_set->u.request, eq->queue_id); | |
14579 | break; | |
14580 | } | |
14581 | ||
14582 | /* link the cq onto the parent eq child list */ | |
14583 | list_add_tail(&cq->list, &eq->child_list); | |
14584 | /* Set up completion queue's type and subtype */ | |
14585 | cq->type = type; | |
14586 | cq->subtype = subtype; | |
14587 | cq->assoc_qid = eq->queue_id; | |
14588 | cq->host_index = 0; | |
14589 | cq->hba_index = 0; | |
64eb4dcb | 14590 | cq->entry_repost = LPFC_CQ_REPOST; |
81b96eda | 14591 | cq->chann = idx; |
2d7dbc4c JS |
14592 | |
14593 | rc = 0; | |
14594 | list_for_each_entry(dmabuf, &cq->page_list, list) { | |
14595 | memset(dmabuf->virt, 0, hw_page_size); | |
14596 | cnt = page_idx + dmabuf->buffer_tag; | |
14597 | cq_set->u.request.page[cnt].addr_lo = | |
14598 | putPaddrLow(dmabuf->phys); | |
14599 | cq_set->u.request.page[cnt].addr_hi = | |
14600 | putPaddrHigh(dmabuf->phys); | |
14601 | rc++; | |
14602 | } | |
14603 | page_idx += rc; | |
14604 | } | |
14605 | ||
14606 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14607 | ||
14608 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
14609 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
14610 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14611 | if (shdr_status || shdr_add_status || rc) { | |
14612 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14613 | "3119 CQ_CREATE_SET mailbox failed with " | |
14614 | "status x%x add_status x%x, mbx status x%x\n", | |
14615 | shdr_status, shdr_add_status, rc); | |
14616 | status = -ENXIO; | |
14617 | goto out; | |
14618 | } | |
14619 | rc = bf_get(lpfc_mbx_cq_create_set_base_id, &cq_set->u.response); | |
14620 | if (rc == 0xFFFF) { | |
14621 | status = -ENXIO; | |
14622 | goto out; | |
14623 | } | |
14624 | ||
14625 | for (idx = 0; idx < numcq; idx++) { | |
14626 | cq = cqp[idx]; | |
14627 | cq->queue_id = rc + idx; | |
14628 | } | |
14629 | ||
14630 | out: | |
14631 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
14632 | return status; | |
14633 | } | |
14634 | ||
b19a061a JS |
14635 | /** |
14636 | * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration | |
14637 | * @phba: HBA structure that indicates port to create a queue on. | |
14638 | * @mq: The queue structure to use to create the mailbox queue. | |
14639 | * @mbox: An allocated pointer to type LPFC_MBOXQ_t | |
14640 | * @cq: The completion queue to associate with this cq. | |
14641 | * | |
14642 | * This function provides failback (fb) functionality when the | |
14643 | * mq_create_ext fails on older FW generations. It's purpose is identical | |
14644 | * to mq_create_ext otherwise. | |
14645 | * | |
14646 | * This routine cannot fail as all attributes were previously accessed and | |
14647 | * initialized in mq_create_ext. | |
14648 | **/ | |
14649 | static void | |
14650 | lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq, | |
14651 | LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq) | |
14652 | { | |
14653 | struct lpfc_mbx_mq_create *mq_create; | |
14654 | struct lpfc_dmabuf *dmabuf; | |
14655 | int length; | |
14656 | ||
14657 | length = (sizeof(struct lpfc_mbx_mq_create) - | |
14658 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14659 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
14660 | LPFC_MBOX_OPCODE_MQ_CREATE, | |
14661 | length, LPFC_SLI4_MBX_EMBED); | |
14662 | mq_create = &mbox->u.mqe.un.mq_create; | |
14663 | bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request, | |
14664 | mq->page_count); | |
14665 | bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context, | |
14666 | cq->queue_id); | |
14667 | bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1); | |
14668 | switch (mq->entry_count) { | |
14669 | case 16: | |
5a6f133e JS |
14670 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14671 | LPFC_MQ_RING_SIZE_16); | |
b19a061a JS |
14672 | break; |
14673 | case 32: | |
5a6f133e JS |
14674 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14675 | LPFC_MQ_RING_SIZE_32); | |
b19a061a JS |
14676 | break; |
14677 | case 64: | |
5a6f133e JS |
14678 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14679 | LPFC_MQ_RING_SIZE_64); | |
b19a061a JS |
14680 | break; |
14681 | case 128: | |
5a6f133e JS |
14682 | bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context, |
14683 | LPFC_MQ_RING_SIZE_128); | |
b19a061a JS |
14684 | break; |
14685 | } | |
14686 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
14687 | mq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
14688 | putPaddrLow(dmabuf->phys); | |
14689 | mq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
14690 | putPaddrHigh(dmabuf->phys); | |
14691 | } | |
14692 | } | |
14693 | ||
04c68496 JS |
14694 | /** |
14695 | * lpfc_mq_create - Create a mailbox Queue on the HBA | |
14696 | * @phba: HBA structure that indicates port to create a queue on. | |
14697 | * @mq: The queue structure to use to create the mailbox queue. | |
b19a061a JS |
14698 | * @cq: The completion queue to associate with this cq. |
14699 | * @subtype: The queue's subtype. | |
04c68496 JS |
14700 | * |
14701 | * This function creates a mailbox queue, as detailed in @mq, on a port, | |
14702 | * described by @phba by sending a MQ_CREATE mailbox command to the HBA. | |
14703 | * | |
14704 | * The @phba struct is used to send mailbox command to HBA. The @cq struct | |
14705 | * is used to get the entry count and entry size that are necessary to | |
14706 | * determine the number of pages to allocate and use for this queue. This | |
14707 | * function will send the MQ_CREATE mailbox command to the HBA to setup the | |
14708 | * mailbox queue. This function is asynchronous and will wait for the mailbox | |
14709 | * command to finish before continuing. | |
14710 | * | |
14711 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14712 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14713 | * fails this function will return -ENXIO. | |
04c68496 | 14714 | **/ |
b19a061a | 14715 | int32_t |
04c68496 JS |
14716 | lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, |
14717 | struct lpfc_queue *cq, uint32_t subtype) | |
14718 | { | |
14719 | struct lpfc_mbx_mq_create *mq_create; | |
b19a061a | 14720 | struct lpfc_mbx_mq_create_ext *mq_create_ext; |
04c68496 JS |
14721 | struct lpfc_dmabuf *dmabuf; |
14722 | LPFC_MBOXQ_t *mbox; | |
14723 | int rc, length, status = 0; | |
14724 | uint32_t shdr_status, shdr_add_status; | |
14725 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 14726 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
04c68496 | 14727 | |
2e90f4b5 JS |
14728 | /* sanity check on queue memory */ |
14729 | if (!mq || !cq) | |
14730 | return -ENODEV; | |
49198b37 JS |
14731 | if (!phba->sli4_hba.pc_sli4_params.supported) |
14732 | hw_page_size = SLI4_PAGE_SIZE; | |
b19a061a | 14733 | |
04c68496 JS |
14734 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
14735 | if (!mbox) | |
14736 | return -ENOMEM; | |
b19a061a | 14737 | length = (sizeof(struct lpfc_mbx_mq_create_ext) - |
04c68496 JS |
14738 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
14739 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
b19a061a | 14740 | LPFC_MBOX_OPCODE_MQ_CREATE_EXT, |
04c68496 | 14741 | length, LPFC_SLI4_MBX_EMBED); |
b19a061a JS |
14742 | |
14743 | mq_create_ext = &mbox->u.mqe.un.mq_create_ext; | |
5a6f133e | 14744 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr; |
70f3c073 JS |
14745 | bf_set(lpfc_mbx_mq_create_ext_num_pages, |
14746 | &mq_create_ext->u.request, mq->page_count); | |
14747 | bf_set(lpfc_mbx_mq_create_ext_async_evt_link, | |
14748 | &mq_create_ext->u.request, 1); | |
14749 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fip, | |
b19a061a JS |
14750 | &mq_create_ext->u.request, 1); |
14751 | bf_set(lpfc_mbx_mq_create_ext_async_evt_group5, | |
14752 | &mq_create_ext->u.request, 1); | |
70f3c073 JS |
14753 | bf_set(lpfc_mbx_mq_create_ext_async_evt_fc, |
14754 | &mq_create_ext->u.request, 1); | |
14755 | bf_set(lpfc_mbx_mq_create_ext_async_evt_sli, | |
14756 | &mq_create_ext->u.request, 1); | |
b19a061a | 14757 | bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1); |
5a6f133e JS |
14758 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14759 | phba->sli4_hba.pc_sli4_params.mqv); | |
14760 | if (phba->sli4_hba.pc_sli4_params.mqv == LPFC_Q_CREATE_VERSION_1) | |
14761 | bf_set(lpfc_mbx_mq_create_ext_cq_id, &mq_create_ext->u.request, | |
14762 | cq->queue_id); | |
14763 | else | |
14764 | bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context, | |
14765 | cq->queue_id); | |
04c68496 JS |
14766 | switch (mq->entry_count) { |
14767 | default: | |
14768 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
14769 | "0362 Unsupported MQ count. (%d)\n", | |
14770 | mq->entry_count); | |
4f4c1863 JS |
14771 | if (mq->entry_count < 16) { |
14772 | status = -EINVAL; | |
14773 | goto out; | |
14774 | } | |
04c68496 JS |
14775 | /* otherwise default to smallest count (drop through) */ |
14776 | case 16: | |
5a6f133e JS |
14777 | bf_set(lpfc_mq_context_ring_size, |
14778 | &mq_create_ext->u.request.context, | |
14779 | LPFC_MQ_RING_SIZE_16); | |
04c68496 JS |
14780 | break; |
14781 | case 32: | |
5a6f133e JS |
14782 | bf_set(lpfc_mq_context_ring_size, |
14783 | &mq_create_ext->u.request.context, | |
14784 | LPFC_MQ_RING_SIZE_32); | |
04c68496 JS |
14785 | break; |
14786 | case 64: | |
5a6f133e JS |
14787 | bf_set(lpfc_mq_context_ring_size, |
14788 | &mq_create_ext->u.request.context, | |
14789 | LPFC_MQ_RING_SIZE_64); | |
04c68496 JS |
14790 | break; |
14791 | case 128: | |
5a6f133e JS |
14792 | bf_set(lpfc_mq_context_ring_size, |
14793 | &mq_create_ext->u.request.context, | |
14794 | LPFC_MQ_RING_SIZE_128); | |
04c68496 JS |
14795 | break; |
14796 | } | |
14797 | list_for_each_entry(dmabuf, &mq->page_list, list) { | |
49198b37 | 14798 | memset(dmabuf->virt, 0, hw_page_size); |
b19a061a | 14799 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo = |
04c68496 | 14800 | putPaddrLow(dmabuf->phys); |
b19a061a | 14801 | mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi = |
04c68496 JS |
14802 | putPaddrHigh(dmabuf->phys); |
14803 | } | |
14804 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
b19a061a JS |
14805 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, |
14806 | &mq_create_ext->u.response); | |
14807 | if (rc != MBX_SUCCESS) { | |
14808 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
14809 | "2795 MQ_CREATE_EXT failed with " | |
14810 | "status x%x. Failback to MQ_CREATE.\n", | |
14811 | rc); | |
14812 | lpfc_mq_create_fb_init(phba, mq, mbox, cq); | |
14813 | mq_create = &mbox->u.mqe.un.mq_create; | |
14814 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
14815 | shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr; | |
14816 | mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id, | |
14817 | &mq_create->u.response); | |
14818 | } | |
14819 | ||
04c68496 | 14820 | /* The IOCTL status is embedded in the mailbox subheader. */ |
04c68496 JS |
14821 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14822 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14823 | if (shdr_status || shdr_add_status || rc) { | |
14824 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
14825 | "2502 MQ_CREATE mailbox failed with " | |
14826 | "status x%x add_status x%x, mbx status x%x\n", | |
14827 | shdr_status, shdr_add_status, rc); | |
14828 | status = -ENXIO; | |
14829 | goto out; | |
14830 | } | |
04c68496 JS |
14831 | if (mq->queue_id == 0xFFFF) { |
14832 | status = -ENXIO; | |
14833 | goto out; | |
14834 | } | |
14835 | mq->type = LPFC_MQ; | |
2a622bfb | 14836 | mq->assoc_qid = cq->queue_id; |
04c68496 JS |
14837 | mq->subtype = subtype; |
14838 | mq->host_index = 0; | |
14839 | mq->hba_index = 0; | |
64eb4dcb | 14840 | mq->entry_repost = LPFC_MQ_REPOST; |
04c68496 JS |
14841 | |
14842 | /* link the mq onto the parent cq child list */ | |
14843 | list_add_tail(&mq->list, &cq->child_list); | |
14844 | out: | |
8fa38513 | 14845 | mempool_free(mbox, phba->mbox_mem_pool); |
04c68496 JS |
14846 | return status; |
14847 | } | |
14848 | ||
4f774513 JS |
14849 | /** |
14850 | * lpfc_wq_create - Create a Work Queue on the HBA | |
14851 | * @phba: HBA structure that indicates port to create a queue on. | |
14852 | * @wq: The queue structure to use to create the work queue. | |
14853 | * @cq: The completion queue to bind this work queue to. | |
14854 | * @subtype: The subtype of the work queue indicating its functionality. | |
14855 | * | |
14856 | * This function creates a work queue, as detailed in @wq, on a port, described | |
14857 | * by @phba by sending a WQ_CREATE mailbox command to the HBA. | |
14858 | * | |
14859 | * The @phba struct is used to send mailbox command to HBA. The @wq struct | |
14860 | * is used to get the entry count and entry size that are necessary to | |
14861 | * determine the number of pages to allocate and use for this queue. The @cq | |
14862 | * is used to indicate which completion queue to bind this work queue to. This | |
14863 | * function will send the WQ_CREATE mailbox command to the HBA to setup the | |
14864 | * work queue. This function is asynchronous and will wait for the mailbox | |
14865 | * command to finish before continuing. | |
14866 | * | |
14867 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
14868 | * memory this function will return -ENOMEM. If the queue create mailbox command |
14869 | * fails this function will return -ENXIO. | |
4f774513 | 14870 | **/ |
a2fc4aef | 14871 | int |
4f774513 JS |
14872 | lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, |
14873 | struct lpfc_queue *cq, uint32_t subtype) | |
14874 | { | |
14875 | struct lpfc_mbx_wq_create *wq_create; | |
14876 | struct lpfc_dmabuf *dmabuf; | |
14877 | LPFC_MBOXQ_t *mbox; | |
14878 | int rc, length, status = 0; | |
14879 | uint32_t shdr_status, shdr_add_status; | |
14880 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 14881 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
5a6f133e | 14882 | struct dma_address *page; |
962bc51b JS |
14883 | void __iomem *bar_memmap_p; |
14884 | uint32_t db_offset; | |
14885 | uint16_t pci_barset; | |
81b96eda | 14886 | uint8_t wq_create_version; |
49198b37 | 14887 | |
2e90f4b5 JS |
14888 | /* sanity check on queue memory */ |
14889 | if (!wq || !cq) | |
14890 | return -ENODEV; | |
49198b37 | 14891 | if (!phba->sli4_hba.pc_sli4_params.supported) |
81b96eda | 14892 | hw_page_size = wq->page_size; |
4f774513 JS |
14893 | |
14894 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
14895 | if (!mbox) | |
14896 | return -ENOMEM; | |
14897 | length = (sizeof(struct lpfc_mbx_wq_create) - | |
14898 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
14899 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
14900 | LPFC_MBOX_OPCODE_FCOE_WQ_CREATE, | |
14901 | length, LPFC_SLI4_MBX_EMBED); | |
14902 | wq_create = &mbox->u.mqe.un.wq_create; | |
5a6f133e | 14903 | shdr = (union lpfc_sli4_cfg_shdr *) &wq_create->header.cfg_shdr; |
4f774513 JS |
14904 | bf_set(lpfc_mbx_wq_create_num_pages, &wq_create->u.request, |
14905 | wq->page_count); | |
14906 | bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request, | |
14907 | cq->queue_id); | |
0c651878 JS |
14908 | |
14909 | /* wqv is the earliest version supported, NOT the latest */ | |
5a6f133e JS |
14910 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14911 | phba->sli4_hba.pc_sli4_params.wqv); | |
962bc51b | 14912 | |
c176ffa0 JS |
14913 | if ((phba->sli4_hba.pc_sli4_params.wqsize & LPFC_WQ_SZ128_SUPPORT) || |
14914 | (wq->page_size > SLI4_PAGE_SIZE)) | |
81b96eda JS |
14915 | wq_create_version = LPFC_Q_CREATE_VERSION_1; |
14916 | else | |
14917 | wq_create_version = LPFC_Q_CREATE_VERSION_0; | |
14918 | ||
14919 | switch (wq_create_version) { | |
0c651878 JS |
14920 | case LPFC_Q_CREATE_VERSION_0: |
14921 | switch (wq->entry_size) { | |
14922 | default: | |
14923 | case 64: | |
14924 | /* Nothing to do, version 0 ONLY supports 64 byte */ | |
14925 | page = wq_create->u.request.page; | |
14926 | break; | |
14927 | case 128: | |
14928 | if (!(phba->sli4_hba.pc_sli4_params.wqsize & | |
14929 | LPFC_WQ_SZ128_SUPPORT)) { | |
14930 | status = -ERANGE; | |
14931 | goto out; | |
14932 | } | |
14933 | /* If we get here the HBA MUST also support V1 and | |
14934 | * we MUST use it | |
14935 | */ | |
14936 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
14937 | LPFC_Q_CREATE_VERSION_1); | |
14938 | ||
14939 | bf_set(lpfc_mbx_wq_create_wqe_count, | |
14940 | &wq_create->u.request_1, wq->entry_count); | |
14941 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
14942 | &wq_create->u.request_1, | |
14943 | LPFC_WQ_WQE_SIZE_128); | |
14944 | bf_set(lpfc_mbx_wq_create_page_size, | |
14945 | &wq_create->u.request_1, | |
8ea73db4 | 14946 | LPFC_WQ_PAGE_SIZE_4096); |
0c651878 JS |
14947 | page = wq_create->u.request_1.page; |
14948 | break; | |
14949 | } | |
14950 | break; | |
14951 | case LPFC_Q_CREATE_VERSION_1: | |
5a6f133e JS |
14952 | bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1, |
14953 | wq->entry_count); | |
3f247de7 JS |
14954 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
14955 | LPFC_Q_CREATE_VERSION_1); | |
14956 | ||
5a6f133e JS |
14957 | switch (wq->entry_size) { |
14958 | default: | |
14959 | case 64: | |
14960 | bf_set(lpfc_mbx_wq_create_wqe_size, | |
14961 | &wq_create->u.request_1, | |
14962 | LPFC_WQ_WQE_SIZE_64); | |
14963 | break; | |
14964 | case 128: | |
0c651878 JS |
14965 | if (!(phba->sli4_hba.pc_sli4_params.wqsize & |
14966 | LPFC_WQ_SZ128_SUPPORT)) { | |
14967 | status = -ERANGE; | |
14968 | goto out; | |
14969 | } | |
5a6f133e JS |
14970 | bf_set(lpfc_mbx_wq_create_wqe_size, |
14971 | &wq_create->u.request_1, | |
14972 | LPFC_WQ_WQE_SIZE_128); | |
14973 | break; | |
14974 | } | |
8ea73db4 JS |
14975 | bf_set(lpfc_mbx_wq_create_page_size, |
14976 | &wq_create->u.request_1, | |
81b96eda | 14977 | (wq->page_size / SLI4_PAGE_SIZE)); |
5a6f133e | 14978 | page = wq_create->u.request_1.page; |
0c651878 JS |
14979 | break; |
14980 | default: | |
14981 | status = -ERANGE; | |
14982 | goto out; | |
5a6f133e | 14983 | } |
0c651878 | 14984 | |
4f774513 | 14985 | list_for_each_entry(dmabuf, &wq->page_list, list) { |
49198b37 | 14986 | memset(dmabuf->virt, 0, hw_page_size); |
5a6f133e JS |
14987 | page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); |
14988 | page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys); | |
4f774513 | 14989 | } |
962bc51b JS |
14990 | |
14991 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) | |
14992 | bf_set(lpfc_mbx_wq_create_dua, &wq_create->u.request, 1); | |
14993 | ||
4f774513 JS |
14994 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
14995 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
14996 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
14997 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
14998 | if (shdr_status || shdr_add_status || rc) { | |
14999 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15000 | "2503 WQ_CREATE mailbox failed with " | |
15001 | "status x%x add_status x%x, mbx status x%x\n", | |
15002 | shdr_status, shdr_add_status, rc); | |
15003 | status = -ENXIO; | |
15004 | goto out; | |
15005 | } | |
15006 | wq->queue_id = bf_get(lpfc_mbx_wq_create_q_id, &wq_create->u.response); | |
15007 | if (wq->queue_id == 0xFFFF) { | |
15008 | status = -ENXIO; | |
15009 | goto out; | |
15010 | } | |
962bc51b JS |
15011 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { |
15012 | wq->db_format = bf_get(lpfc_mbx_wq_create_db_format, | |
15013 | &wq_create->u.response); | |
15014 | if ((wq->db_format != LPFC_DB_LIST_FORMAT) && | |
15015 | (wq->db_format != LPFC_DB_RING_FORMAT)) { | |
15016 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15017 | "3265 WQ[%d] doorbell format not " | |
15018 | "supported: x%x\n", wq->queue_id, | |
15019 | wq->db_format); | |
15020 | status = -EINVAL; | |
15021 | goto out; | |
15022 | } | |
15023 | pci_barset = bf_get(lpfc_mbx_wq_create_bar_set, | |
15024 | &wq_create->u.response); | |
15025 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset); | |
15026 | if (!bar_memmap_p) { | |
15027 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15028 | "3263 WQ[%d] failed to memmap pci " | |
15029 | "barset:x%x\n", wq->queue_id, | |
15030 | pci_barset); | |
15031 | status = -ENOMEM; | |
15032 | goto out; | |
15033 | } | |
15034 | db_offset = wq_create->u.response.doorbell_offset; | |
15035 | if ((db_offset != LPFC_ULP0_WQ_DOORBELL) && | |
15036 | (db_offset != LPFC_ULP1_WQ_DOORBELL)) { | |
15037 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15038 | "3252 WQ[%d] doorbell offset not " | |
15039 | "supported: x%x\n", wq->queue_id, | |
15040 | db_offset); | |
15041 | status = -EINVAL; | |
15042 | goto out; | |
15043 | } | |
15044 | wq->db_regaddr = bar_memmap_p + db_offset; | |
15045 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a22e7db3 JS |
15046 | "3264 WQ[%d]: barset:x%x, offset:x%x, " |
15047 | "format:x%x\n", wq->queue_id, pci_barset, | |
15048 | db_offset, wq->db_format); | |
962bc51b JS |
15049 | } else { |
15050 | wq->db_format = LPFC_DB_LIST_FORMAT; | |
15051 | wq->db_regaddr = phba->sli4_hba.WQDBregaddr; | |
15052 | } | |
895427bd JS |
15053 | wq->pring = kzalloc(sizeof(struct lpfc_sli_ring), GFP_KERNEL); |
15054 | if (wq->pring == NULL) { | |
15055 | status = -ENOMEM; | |
15056 | goto out; | |
15057 | } | |
4f774513 | 15058 | wq->type = LPFC_WQ; |
2a622bfb | 15059 | wq->assoc_qid = cq->queue_id; |
4f774513 JS |
15060 | wq->subtype = subtype; |
15061 | wq->host_index = 0; | |
15062 | wq->hba_index = 0; | |
ff78d8f9 | 15063 | wq->entry_repost = LPFC_RELEASE_NOTIFICATION_INTERVAL; |
4f774513 JS |
15064 | |
15065 | /* link the wq onto the parent cq child list */ | |
15066 | list_add_tail(&wq->list, &cq->child_list); | |
15067 | out: | |
8fa38513 | 15068 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
15069 | return status; |
15070 | } | |
15071 | ||
15072 | /** | |
15073 | * lpfc_rq_create - Create a Receive Queue on the HBA | |
15074 | * @phba: HBA structure that indicates port to create a queue on. | |
15075 | * @hrq: The queue structure to use to create the header receive queue. | |
15076 | * @drq: The queue structure to use to create the data receive queue. | |
15077 | * @cq: The completion queue to bind this work queue to. | |
15078 | * | |
15079 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
15080 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
15081 | * to the HBA. | |
15082 | * | |
15083 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
15084 | * struct is used to get the entry count that is necessary to determine the | |
15085 | * number of pages to use for this queue. The @cq is used to indicate which | |
15086 | * completion queue to bind received buffers that are posted to these queues to. | |
15087 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
15088 | * receive queue pair. This function is asynchronous and will wait for the | |
15089 | * mailbox command to finish before continuing. | |
15090 | * | |
15091 | * On success this function will return a zero. If unable to allocate enough | |
d439d286 JS |
15092 | * memory this function will return -ENOMEM. If the queue create mailbox command |
15093 | * fails this function will return -ENXIO. | |
4f774513 | 15094 | **/ |
a2fc4aef | 15095 | int |
4f774513 JS |
15096 | lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
15097 | struct lpfc_queue *drq, struct lpfc_queue *cq, uint32_t subtype) | |
15098 | { | |
15099 | struct lpfc_mbx_rq_create *rq_create; | |
15100 | struct lpfc_dmabuf *dmabuf; | |
15101 | LPFC_MBOXQ_t *mbox; | |
15102 | int rc, length, status = 0; | |
15103 | uint32_t shdr_status, shdr_add_status; | |
15104 | union lpfc_sli4_cfg_shdr *shdr; | |
49198b37 | 15105 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; |
962bc51b JS |
15106 | void __iomem *bar_memmap_p; |
15107 | uint32_t db_offset; | |
15108 | uint16_t pci_barset; | |
49198b37 | 15109 | |
2e90f4b5 JS |
15110 | /* sanity check on queue memory */ |
15111 | if (!hrq || !drq || !cq) | |
15112 | return -ENODEV; | |
49198b37 JS |
15113 | if (!phba->sli4_hba.pc_sli4_params.supported) |
15114 | hw_page_size = SLI4_PAGE_SIZE; | |
4f774513 JS |
15115 | |
15116 | if (hrq->entry_count != drq->entry_count) | |
15117 | return -EINVAL; | |
15118 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15119 | if (!mbox) | |
15120 | return -ENOMEM; | |
15121 | length = (sizeof(struct lpfc_mbx_rq_create) - | |
15122 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15123 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15124 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15125 | length, LPFC_SLI4_MBX_EMBED); | |
15126 | rq_create = &mbox->u.mqe.un.rq_create; | |
5a6f133e JS |
15127 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; |
15128 | bf_set(lpfc_mbox_hdr_version, &shdr->request, | |
15129 | phba->sli4_hba.pc_sli4_params.rqv); | |
15130 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
15131 | bf_set(lpfc_rq_context_rqe_count_1, | |
15132 | &rq_create->u.request.context, | |
15133 | hrq->entry_count); | |
15134 | rq_create->u.request.context.buffer_size = LPFC_HDR_BUF_SIZE; | |
c31098ce JS |
15135 | bf_set(lpfc_rq_context_rqe_size, |
15136 | &rq_create->u.request.context, | |
15137 | LPFC_RQE_SIZE_8); | |
15138 | bf_set(lpfc_rq_context_page_size, | |
15139 | &rq_create->u.request.context, | |
8ea73db4 | 15140 | LPFC_RQ_PAGE_SIZE_4096); |
5a6f133e JS |
15141 | } else { |
15142 | switch (hrq->entry_count) { | |
15143 | default: | |
15144 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15145 | "2535 Unsupported RQ count. (%d)\n", | |
15146 | hrq->entry_count); | |
4f4c1863 JS |
15147 | if (hrq->entry_count < 512) { |
15148 | status = -EINVAL; | |
15149 | goto out; | |
15150 | } | |
5a6f133e JS |
15151 | /* otherwise default to smallest count (drop through) */ |
15152 | case 512: | |
15153 | bf_set(lpfc_rq_context_rqe_count, | |
15154 | &rq_create->u.request.context, | |
15155 | LPFC_RQ_RING_SIZE_512); | |
15156 | break; | |
15157 | case 1024: | |
15158 | bf_set(lpfc_rq_context_rqe_count, | |
15159 | &rq_create->u.request.context, | |
15160 | LPFC_RQ_RING_SIZE_1024); | |
15161 | break; | |
15162 | case 2048: | |
15163 | bf_set(lpfc_rq_context_rqe_count, | |
15164 | &rq_create->u.request.context, | |
15165 | LPFC_RQ_RING_SIZE_2048); | |
15166 | break; | |
15167 | case 4096: | |
15168 | bf_set(lpfc_rq_context_rqe_count, | |
15169 | &rq_create->u.request.context, | |
15170 | LPFC_RQ_RING_SIZE_4096); | |
15171 | break; | |
15172 | } | |
15173 | bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, | |
15174 | LPFC_HDR_BUF_SIZE); | |
4f774513 JS |
15175 | } |
15176 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
15177 | cq->queue_id); | |
15178 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
15179 | hrq->page_count); | |
4f774513 | 15180 | list_for_each_entry(dmabuf, &hrq->page_list, list) { |
49198b37 | 15181 | memset(dmabuf->virt, 0, hw_page_size); |
4f774513 JS |
15182 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = |
15183 | putPaddrLow(dmabuf->phys); | |
15184 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15185 | putPaddrHigh(dmabuf->phys); | |
15186 | } | |
962bc51b JS |
15187 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
15188 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
15189 | ||
4f774513 JS |
15190 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15191 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
4f774513 JS |
15192 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); |
15193 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15194 | if (shdr_status || shdr_add_status || rc) { | |
15195 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15196 | "2504 RQ_CREATE mailbox failed with " | |
15197 | "status x%x add_status x%x, mbx status x%x\n", | |
15198 | shdr_status, shdr_add_status, rc); | |
15199 | status = -ENXIO; | |
15200 | goto out; | |
15201 | } | |
15202 | hrq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15203 | if (hrq->queue_id == 0xFFFF) { | |
15204 | status = -ENXIO; | |
15205 | goto out; | |
15206 | } | |
962bc51b JS |
15207 | |
15208 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) { | |
15209 | hrq->db_format = bf_get(lpfc_mbx_rq_create_db_format, | |
15210 | &rq_create->u.response); | |
15211 | if ((hrq->db_format != LPFC_DB_LIST_FORMAT) && | |
15212 | (hrq->db_format != LPFC_DB_RING_FORMAT)) { | |
15213 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15214 | "3262 RQ [%d] doorbell format not " | |
15215 | "supported: x%x\n", hrq->queue_id, | |
15216 | hrq->db_format); | |
15217 | status = -EINVAL; | |
15218 | goto out; | |
15219 | } | |
15220 | ||
15221 | pci_barset = bf_get(lpfc_mbx_rq_create_bar_set, | |
15222 | &rq_create->u.response); | |
15223 | bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset); | |
15224 | if (!bar_memmap_p) { | |
15225 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15226 | "3269 RQ[%d] failed to memmap pci " | |
15227 | "barset:x%x\n", hrq->queue_id, | |
15228 | pci_barset); | |
15229 | status = -ENOMEM; | |
15230 | goto out; | |
15231 | } | |
15232 | ||
15233 | db_offset = rq_create->u.response.doorbell_offset; | |
15234 | if ((db_offset != LPFC_ULP0_RQ_DOORBELL) && | |
15235 | (db_offset != LPFC_ULP1_RQ_DOORBELL)) { | |
15236 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15237 | "3270 RQ[%d] doorbell offset not " | |
15238 | "supported: x%x\n", hrq->queue_id, | |
15239 | db_offset); | |
15240 | status = -EINVAL; | |
15241 | goto out; | |
15242 | } | |
15243 | hrq->db_regaddr = bar_memmap_p + db_offset; | |
15244 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
a22e7db3 JS |
15245 | "3266 RQ[qid:%d]: barset:x%x, offset:x%x, " |
15246 | "format:x%x\n", hrq->queue_id, pci_barset, | |
15247 | db_offset, hrq->db_format); | |
962bc51b JS |
15248 | } else { |
15249 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
15250 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15251 | } | |
4f774513 | 15252 | hrq->type = LPFC_HRQ; |
2a622bfb | 15253 | hrq->assoc_qid = cq->queue_id; |
4f774513 JS |
15254 | hrq->subtype = subtype; |
15255 | hrq->host_index = 0; | |
15256 | hrq->hba_index = 0; | |
61f3d4bf | 15257 | hrq->entry_repost = LPFC_RQ_REPOST; |
4f774513 JS |
15258 | |
15259 | /* now create the data queue */ | |
15260 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15261 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, | |
15262 | length, LPFC_SLI4_MBX_EMBED); | |
5a6f133e JS |
15263 | bf_set(lpfc_mbox_hdr_version, &shdr->request, |
15264 | phba->sli4_hba.pc_sli4_params.rqv); | |
15265 | if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { | |
15266 | bf_set(lpfc_rq_context_rqe_count_1, | |
c31098ce | 15267 | &rq_create->u.request.context, hrq->entry_count); |
3c603be9 JS |
15268 | if (subtype == LPFC_NVMET) |
15269 | rq_create->u.request.context.buffer_size = | |
15270 | LPFC_NVMET_DATA_BUF_SIZE; | |
15271 | else | |
15272 | rq_create->u.request.context.buffer_size = | |
15273 | LPFC_DATA_BUF_SIZE; | |
c31098ce JS |
15274 | bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context, |
15275 | LPFC_RQE_SIZE_8); | |
15276 | bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context, | |
15277 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
5a6f133e JS |
15278 | } else { |
15279 | switch (drq->entry_count) { | |
15280 | default: | |
15281 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15282 | "2536 Unsupported RQ count. (%d)\n", | |
15283 | drq->entry_count); | |
4f4c1863 JS |
15284 | if (drq->entry_count < 512) { |
15285 | status = -EINVAL; | |
15286 | goto out; | |
15287 | } | |
5a6f133e JS |
15288 | /* otherwise default to smallest count (drop through) */ |
15289 | case 512: | |
15290 | bf_set(lpfc_rq_context_rqe_count, | |
15291 | &rq_create->u.request.context, | |
15292 | LPFC_RQ_RING_SIZE_512); | |
15293 | break; | |
15294 | case 1024: | |
15295 | bf_set(lpfc_rq_context_rqe_count, | |
15296 | &rq_create->u.request.context, | |
15297 | LPFC_RQ_RING_SIZE_1024); | |
15298 | break; | |
15299 | case 2048: | |
15300 | bf_set(lpfc_rq_context_rqe_count, | |
15301 | &rq_create->u.request.context, | |
15302 | LPFC_RQ_RING_SIZE_2048); | |
15303 | break; | |
15304 | case 4096: | |
15305 | bf_set(lpfc_rq_context_rqe_count, | |
15306 | &rq_create->u.request.context, | |
15307 | LPFC_RQ_RING_SIZE_4096); | |
15308 | break; | |
15309 | } | |
3c603be9 JS |
15310 | if (subtype == LPFC_NVMET) |
15311 | bf_set(lpfc_rq_context_buf_size, | |
15312 | &rq_create->u.request.context, | |
15313 | LPFC_NVMET_DATA_BUF_SIZE); | |
15314 | else | |
15315 | bf_set(lpfc_rq_context_buf_size, | |
15316 | &rq_create->u.request.context, | |
15317 | LPFC_DATA_BUF_SIZE); | |
4f774513 JS |
15318 | } |
15319 | bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, | |
15320 | cq->queue_id); | |
15321 | bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, | |
15322 | drq->page_count); | |
4f774513 JS |
15323 | list_for_each_entry(dmabuf, &drq->page_list, list) { |
15324 | rq_create->u.request.page[dmabuf->buffer_tag].addr_lo = | |
15325 | putPaddrLow(dmabuf->phys); | |
15326 | rq_create->u.request.page[dmabuf->buffer_tag].addr_hi = | |
15327 | putPaddrHigh(dmabuf->phys); | |
15328 | } | |
962bc51b JS |
15329 | if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) |
15330 | bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1); | |
4f774513 JS |
15331 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); |
15332 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15333 | shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr; | |
15334 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15335 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15336 | if (shdr_status || shdr_add_status || rc) { | |
15337 | status = -ENXIO; | |
15338 | goto out; | |
15339 | } | |
15340 | drq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15341 | if (drq->queue_id == 0xFFFF) { | |
15342 | status = -ENXIO; | |
15343 | goto out; | |
15344 | } | |
15345 | drq->type = LPFC_DRQ; | |
2a622bfb | 15346 | drq->assoc_qid = cq->queue_id; |
4f774513 JS |
15347 | drq->subtype = subtype; |
15348 | drq->host_index = 0; | |
15349 | drq->hba_index = 0; | |
61f3d4bf | 15350 | drq->entry_repost = LPFC_RQ_REPOST; |
4f774513 JS |
15351 | |
15352 | /* link the header and data RQs onto the parent cq child list */ | |
15353 | list_add_tail(&hrq->list, &cq->child_list); | |
15354 | list_add_tail(&drq->list, &cq->child_list); | |
15355 | ||
15356 | out: | |
8fa38513 | 15357 | mempool_free(mbox, phba->mbox_mem_pool); |
4f774513 JS |
15358 | return status; |
15359 | } | |
15360 | ||
2d7dbc4c JS |
15361 | /** |
15362 | * lpfc_mrq_create - Create MRQ Receive Queues on the HBA | |
15363 | * @phba: HBA structure that indicates port to create a queue on. | |
15364 | * @hrqp: The queue structure array to use to create the header receive queues. | |
15365 | * @drqp: The queue structure array to use to create the data receive queues. | |
15366 | * @cqp: The completion queue array to bind these receive queues to. | |
15367 | * | |
15368 | * This function creates a receive buffer queue pair , as detailed in @hrq and | |
15369 | * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command | |
15370 | * to the HBA. | |
15371 | * | |
15372 | * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq | |
15373 | * struct is used to get the entry count that is necessary to determine the | |
15374 | * number of pages to use for this queue. The @cq is used to indicate which | |
15375 | * completion queue to bind received buffers that are posted to these queues to. | |
15376 | * This function will send the RQ_CREATE mailbox command to the HBA to setup the | |
15377 | * receive queue pair. This function is asynchronous and will wait for the | |
15378 | * mailbox command to finish before continuing. | |
15379 | * | |
15380 | * On success this function will return a zero. If unable to allocate enough | |
15381 | * memory this function will return -ENOMEM. If the queue create mailbox command | |
15382 | * fails this function will return -ENXIO. | |
15383 | **/ | |
15384 | int | |
15385 | lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, | |
15386 | struct lpfc_queue **drqp, struct lpfc_queue **cqp, | |
15387 | uint32_t subtype) | |
15388 | { | |
15389 | struct lpfc_queue *hrq, *drq, *cq; | |
15390 | struct lpfc_mbx_rq_create_v2 *rq_create; | |
15391 | struct lpfc_dmabuf *dmabuf; | |
15392 | LPFC_MBOXQ_t *mbox; | |
15393 | int rc, length, alloclen, status = 0; | |
15394 | int cnt, idx, numrq, page_idx = 0; | |
15395 | uint32_t shdr_status, shdr_add_status; | |
15396 | union lpfc_sli4_cfg_shdr *shdr; | |
15397 | uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz; | |
15398 | ||
15399 | numrq = phba->cfg_nvmet_mrq; | |
15400 | /* sanity check on array memory */ | |
15401 | if (!hrqp || !drqp || !cqp || !numrq) | |
15402 | return -ENODEV; | |
15403 | if (!phba->sli4_hba.pc_sli4_params.supported) | |
15404 | hw_page_size = SLI4_PAGE_SIZE; | |
15405 | ||
15406 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15407 | if (!mbox) | |
15408 | return -ENOMEM; | |
15409 | ||
15410 | length = sizeof(struct lpfc_mbx_rq_create_v2); | |
15411 | length += ((2 * numrq * hrqp[0]->page_count) * | |
15412 | sizeof(struct dma_address)); | |
15413 | ||
15414 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15415 | LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, length, | |
15416 | LPFC_SLI4_MBX_NEMBED); | |
15417 | if (alloclen < length) { | |
15418 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15419 | "3099 Allocated DMA memory size (%d) is " | |
15420 | "less than the requested DMA memory size " | |
15421 | "(%d)\n", alloclen, length); | |
15422 | status = -ENOMEM; | |
15423 | goto out; | |
15424 | } | |
15425 | ||
15426 | ||
15427 | ||
15428 | rq_create = mbox->sge_array->addr[0]; | |
15429 | shdr = (union lpfc_sli4_cfg_shdr *)&rq_create->cfg_shdr; | |
15430 | ||
15431 | bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_Q_CREATE_VERSION_2); | |
15432 | cnt = 0; | |
15433 | ||
15434 | for (idx = 0; idx < numrq; idx++) { | |
15435 | hrq = hrqp[idx]; | |
15436 | drq = drqp[idx]; | |
15437 | cq = cqp[idx]; | |
15438 | ||
2d7dbc4c JS |
15439 | /* sanity check on queue memory */ |
15440 | if (!hrq || !drq || !cq) { | |
15441 | status = -ENODEV; | |
15442 | goto out; | |
15443 | } | |
15444 | ||
7aabe84b JS |
15445 | if (hrq->entry_count != drq->entry_count) { |
15446 | status = -EINVAL; | |
15447 | goto out; | |
15448 | } | |
15449 | ||
2d7dbc4c JS |
15450 | if (idx == 0) { |
15451 | bf_set(lpfc_mbx_rq_create_num_pages, | |
15452 | &rq_create->u.request, | |
15453 | hrq->page_count); | |
15454 | bf_set(lpfc_mbx_rq_create_rq_cnt, | |
15455 | &rq_create->u.request, (numrq * 2)); | |
15456 | bf_set(lpfc_mbx_rq_create_dnb, &rq_create->u.request, | |
15457 | 1); | |
15458 | bf_set(lpfc_rq_context_base_cq, | |
15459 | &rq_create->u.request.context, | |
15460 | cq->queue_id); | |
15461 | bf_set(lpfc_rq_context_data_size, | |
15462 | &rq_create->u.request.context, | |
3c603be9 | 15463 | LPFC_NVMET_DATA_BUF_SIZE); |
2d7dbc4c JS |
15464 | bf_set(lpfc_rq_context_hdr_size, |
15465 | &rq_create->u.request.context, | |
15466 | LPFC_HDR_BUF_SIZE); | |
15467 | bf_set(lpfc_rq_context_rqe_count_1, | |
15468 | &rq_create->u.request.context, | |
15469 | hrq->entry_count); | |
15470 | bf_set(lpfc_rq_context_rqe_size, | |
15471 | &rq_create->u.request.context, | |
15472 | LPFC_RQE_SIZE_8); | |
15473 | bf_set(lpfc_rq_context_page_size, | |
15474 | &rq_create->u.request.context, | |
15475 | (PAGE_SIZE/SLI4_PAGE_SIZE)); | |
15476 | } | |
15477 | rc = 0; | |
15478 | list_for_each_entry(dmabuf, &hrq->page_list, list) { | |
15479 | memset(dmabuf->virt, 0, hw_page_size); | |
15480 | cnt = page_idx + dmabuf->buffer_tag; | |
15481 | rq_create->u.request.page[cnt].addr_lo = | |
15482 | putPaddrLow(dmabuf->phys); | |
15483 | rq_create->u.request.page[cnt].addr_hi = | |
15484 | putPaddrHigh(dmabuf->phys); | |
15485 | rc++; | |
15486 | } | |
15487 | page_idx += rc; | |
15488 | ||
15489 | rc = 0; | |
15490 | list_for_each_entry(dmabuf, &drq->page_list, list) { | |
15491 | memset(dmabuf->virt, 0, hw_page_size); | |
15492 | cnt = page_idx + dmabuf->buffer_tag; | |
15493 | rq_create->u.request.page[cnt].addr_lo = | |
15494 | putPaddrLow(dmabuf->phys); | |
15495 | rq_create->u.request.page[cnt].addr_hi = | |
15496 | putPaddrHigh(dmabuf->phys); | |
15497 | rc++; | |
15498 | } | |
15499 | page_idx += rc; | |
15500 | ||
15501 | hrq->db_format = LPFC_DB_RING_FORMAT; | |
15502 | hrq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15503 | hrq->type = LPFC_HRQ; | |
15504 | hrq->assoc_qid = cq->queue_id; | |
15505 | hrq->subtype = subtype; | |
15506 | hrq->host_index = 0; | |
15507 | hrq->hba_index = 0; | |
61f3d4bf | 15508 | hrq->entry_repost = LPFC_RQ_REPOST; |
2d7dbc4c JS |
15509 | |
15510 | drq->db_format = LPFC_DB_RING_FORMAT; | |
15511 | drq->db_regaddr = phba->sli4_hba.RQDBregaddr; | |
15512 | drq->type = LPFC_DRQ; | |
15513 | drq->assoc_qid = cq->queue_id; | |
15514 | drq->subtype = subtype; | |
15515 | drq->host_index = 0; | |
15516 | drq->hba_index = 0; | |
61f3d4bf | 15517 | drq->entry_repost = LPFC_RQ_REPOST; |
2d7dbc4c JS |
15518 | |
15519 | list_add_tail(&hrq->list, &cq->child_list); | |
15520 | list_add_tail(&drq->list, &cq->child_list); | |
15521 | } | |
15522 | ||
15523 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
15524 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15525 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15526 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15527 | if (shdr_status || shdr_add_status || rc) { | |
15528 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15529 | "3120 RQ_CREATE mailbox failed with " | |
15530 | "status x%x add_status x%x, mbx status x%x\n", | |
15531 | shdr_status, shdr_add_status, rc); | |
15532 | status = -ENXIO; | |
15533 | goto out; | |
15534 | } | |
15535 | rc = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response); | |
15536 | if (rc == 0xFFFF) { | |
15537 | status = -ENXIO; | |
15538 | goto out; | |
15539 | } | |
15540 | ||
15541 | /* Initialize all RQs with associated queue id */ | |
15542 | for (idx = 0; idx < numrq; idx++) { | |
15543 | hrq = hrqp[idx]; | |
15544 | hrq->queue_id = rc + (2 * idx); | |
15545 | drq = drqp[idx]; | |
15546 | drq->queue_id = rc + (2 * idx) + 1; | |
15547 | } | |
15548 | ||
15549 | out: | |
15550 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
15551 | return status; | |
15552 | } | |
15553 | ||
4f774513 JS |
15554 | /** |
15555 | * lpfc_eq_destroy - Destroy an event Queue on the HBA | |
15556 | * @eq: The queue structure associated with the queue to destroy. | |
15557 | * | |
15558 | * This function destroys a queue, as detailed in @eq by sending an mailbox | |
15559 | * command, specific to the type of queue, to the HBA. | |
15560 | * | |
15561 | * The @eq struct is used to get the queue ID of the queue to destroy. | |
15562 | * | |
15563 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15564 | * command fails this function will return -ENXIO. |
4f774513 | 15565 | **/ |
a2fc4aef | 15566 | int |
4f774513 JS |
15567 | lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq) |
15568 | { | |
15569 | LPFC_MBOXQ_t *mbox; | |
15570 | int rc, length, status = 0; | |
15571 | uint32_t shdr_status, shdr_add_status; | |
15572 | union lpfc_sli4_cfg_shdr *shdr; | |
15573 | ||
2e90f4b5 | 15574 | /* sanity check on queue memory */ |
4f774513 JS |
15575 | if (!eq) |
15576 | return -ENODEV; | |
15577 | mbox = mempool_alloc(eq->phba->mbox_mem_pool, GFP_KERNEL); | |
15578 | if (!mbox) | |
15579 | return -ENOMEM; | |
15580 | length = (sizeof(struct lpfc_mbx_eq_destroy) - | |
15581 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15582 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15583 | LPFC_MBOX_OPCODE_EQ_DESTROY, | |
15584 | length, LPFC_SLI4_MBX_EMBED); | |
15585 | bf_set(lpfc_mbx_eq_destroy_q_id, &mbox->u.mqe.un.eq_destroy.u.request, | |
15586 | eq->queue_id); | |
15587 | mbox->vport = eq->phba->pport; | |
15588 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15589 | ||
15590 | rc = lpfc_sli_issue_mbox(eq->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.eq_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 | "2505 EQ_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 | ||
15604 | /* Remove eq from any list */ | |
15605 | list_del_init(&eq->list); | |
8fa38513 | 15606 | mempool_free(mbox, eq->phba->mbox_mem_pool); |
4f774513 JS |
15607 | return status; |
15608 | } | |
15609 | ||
15610 | /** | |
15611 | * lpfc_cq_destroy - Destroy a Completion Queue on the HBA | |
15612 | * @cq: The queue structure associated with the queue to destroy. | |
15613 | * | |
15614 | * This function destroys a queue, as detailed in @cq by sending an mailbox | |
15615 | * command, specific to the type of queue, to the HBA. | |
15616 | * | |
15617 | * The @cq struct is used to get the queue ID of the queue to destroy. | |
15618 | * | |
15619 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15620 | * command fails this function will return -ENXIO. |
4f774513 | 15621 | **/ |
a2fc4aef | 15622 | int |
4f774513 JS |
15623 | lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq) |
15624 | { | |
15625 | LPFC_MBOXQ_t *mbox; | |
15626 | int rc, length, status = 0; | |
15627 | uint32_t shdr_status, shdr_add_status; | |
15628 | union lpfc_sli4_cfg_shdr *shdr; | |
15629 | ||
2e90f4b5 | 15630 | /* sanity check on queue memory */ |
4f774513 JS |
15631 | if (!cq) |
15632 | return -ENODEV; | |
15633 | mbox = mempool_alloc(cq->phba->mbox_mem_pool, GFP_KERNEL); | |
15634 | if (!mbox) | |
15635 | return -ENOMEM; | |
15636 | length = (sizeof(struct lpfc_mbx_cq_destroy) - | |
15637 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15638 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15639 | LPFC_MBOX_OPCODE_CQ_DESTROY, | |
15640 | length, LPFC_SLI4_MBX_EMBED); | |
15641 | bf_set(lpfc_mbx_cq_destroy_q_id, &mbox->u.mqe.un.cq_destroy.u.request, | |
15642 | cq->queue_id); | |
15643 | mbox->vport = cq->phba->pport; | |
15644 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15645 | rc = lpfc_sli_issue_mbox(cq->phba, mbox, MBX_POLL); | |
15646 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15647 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15648 | &mbox->u.mqe.un.wq_create.header.cfg_shdr; | |
15649 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15650 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15651 | if (shdr_status || shdr_add_status || rc) { | |
15652 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15653 | "2506 CQ_DESTROY mailbox failed with " | |
15654 | "status x%x add_status x%x, mbx status x%x\n", | |
15655 | shdr_status, shdr_add_status, rc); | |
15656 | status = -ENXIO; | |
15657 | } | |
15658 | /* Remove cq from any list */ | |
15659 | list_del_init(&cq->list); | |
8fa38513 | 15660 | mempool_free(mbox, cq->phba->mbox_mem_pool); |
4f774513 JS |
15661 | return status; |
15662 | } | |
15663 | ||
04c68496 JS |
15664 | /** |
15665 | * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA | |
15666 | * @qm: The queue structure associated with the queue to destroy. | |
15667 | * | |
15668 | * This function destroys a queue, as detailed in @mq by sending an mailbox | |
15669 | * command, specific to the type of queue, to the HBA. | |
15670 | * | |
15671 | * The @mq 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. |
04c68496 | 15675 | **/ |
a2fc4aef | 15676 | int |
04c68496 JS |
15677 | lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq) |
15678 | { | |
15679 | LPFC_MBOXQ_t *mbox; | |
15680 | int rc, length, status = 0; | |
15681 | uint32_t shdr_status, shdr_add_status; | |
15682 | union lpfc_sli4_cfg_shdr *shdr; | |
15683 | ||
2e90f4b5 | 15684 | /* sanity check on queue memory */ |
04c68496 JS |
15685 | if (!mq) |
15686 | return -ENODEV; | |
15687 | mbox = mempool_alloc(mq->phba->mbox_mem_pool, GFP_KERNEL); | |
15688 | if (!mbox) | |
15689 | return -ENOMEM; | |
15690 | length = (sizeof(struct lpfc_mbx_mq_destroy) - | |
15691 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15692 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
15693 | LPFC_MBOX_OPCODE_MQ_DESTROY, | |
15694 | length, LPFC_SLI4_MBX_EMBED); | |
15695 | bf_set(lpfc_mbx_mq_destroy_q_id, &mbox->u.mqe.un.mq_destroy.u.request, | |
15696 | mq->queue_id); | |
15697 | mbox->vport = mq->phba->pport; | |
15698 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15699 | rc = lpfc_sli_issue_mbox(mq->phba, mbox, MBX_POLL); | |
15700 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15701 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15702 | &mbox->u.mqe.un.mq_destroy.header.cfg_shdr; | |
15703 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15704 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15705 | if (shdr_status || shdr_add_status || rc) { | |
15706 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15707 | "2507 MQ_DESTROY mailbox failed with " | |
15708 | "status x%x add_status x%x, mbx status x%x\n", | |
15709 | shdr_status, shdr_add_status, rc); | |
15710 | status = -ENXIO; | |
15711 | } | |
15712 | /* Remove mq from any list */ | |
15713 | list_del_init(&mq->list); | |
8fa38513 | 15714 | mempool_free(mbox, mq->phba->mbox_mem_pool); |
04c68496 JS |
15715 | return status; |
15716 | } | |
15717 | ||
4f774513 JS |
15718 | /** |
15719 | * lpfc_wq_destroy - Destroy a Work Queue on the HBA | |
15720 | * @wq: The queue structure associated with the queue to destroy. | |
15721 | * | |
15722 | * This function destroys a queue, as detailed in @wq by sending an mailbox | |
15723 | * command, specific to the type of queue, to the HBA. | |
15724 | * | |
15725 | * The @wq struct is used to get the queue ID of the queue to destroy. | |
15726 | * | |
15727 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15728 | * command fails this function will return -ENXIO. |
4f774513 | 15729 | **/ |
a2fc4aef | 15730 | int |
4f774513 JS |
15731 | lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq) |
15732 | { | |
15733 | LPFC_MBOXQ_t *mbox; | |
15734 | int rc, length, status = 0; | |
15735 | uint32_t shdr_status, shdr_add_status; | |
15736 | union lpfc_sli4_cfg_shdr *shdr; | |
15737 | ||
2e90f4b5 | 15738 | /* sanity check on queue memory */ |
4f774513 JS |
15739 | if (!wq) |
15740 | return -ENODEV; | |
15741 | mbox = mempool_alloc(wq->phba->mbox_mem_pool, GFP_KERNEL); | |
15742 | if (!mbox) | |
15743 | return -ENOMEM; | |
15744 | length = (sizeof(struct lpfc_mbx_wq_destroy) - | |
15745 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
15746 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15747 | LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY, | |
15748 | length, LPFC_SLI4_MBX_EMBED); | |
15749 | bf_set(lpfc_mbx_wq_destroy_q_id, &mbox->u.mqe.un.wq_destroy.u.request, | |
15750 | wq->queue_id); | |
15751 | mbox->vport = wq->phba->pport; | |
15752 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15753 | rc = lpfc_sli_issue_mbox(wq->phba, mbox, MBX_POLL); | |
15754 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15755 | &mbox->u.mqe.un.wq_destroy.header.cfg_shdr; | |
15756 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15757 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15758 | if (shdr_status || shdr_add_status || rc) { | |
15759 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15760 | "2508 WQ_DESTROY mailbox failed with " | |
15761 | "status x%x add_status x%x, mbx status x%x\n", | |
15762 | shdr_status, shdr_add_status, rc); | |
15763 | status = -ENXIO; | |
15764 | } | |
15765 | /* Remove wq from any list */ | |
15766 | list_del_init(&wq->list); | |
d1f525aa JS |
15767 | kfree(wq->pring); |
15768 | wq->pring = NULL; | |
8fa38513 | 15769 | mempool_free(mbox, wq->phba->mbox_mem_pool); |
4f774513 JS |
15770 | return status; |
15771 | } | |
15772 | ||
15773 | /** | |
15774 | * lpfc_rq_destroy - Destroy a Receive Queue on the HBA | |
15775 | * @rq: The queue structure associated with the queue to destroy. | |
15776 | * | |
15777 | * This function destroys a queue, as detailed in @rq by sending an mailbox | |
15778 | * command, specific to the type of queue, to the HBA. | |
15779 | * | |
15780 | * The @rq struct is used to get the queue ID of the queue to destroy. | |
15781 | * | |
15782 | * On success this function will return a zero. If the queue destroy mailbox | |
d439d286 | 15783 | * command fails this function will return -ENXIO. |
4f774513 | 15784 | **/ |
a2fc4aef | 15785 | int |
4f774513 JS |
15786 | lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq, |
15787 | struct lpfc_queue *drq) | |
15788 | { | |
15789 | LPFC_MBOXQ_t *mbox; | |
15790 | int rc, length, status = 0; | |
15791 | uint32_t shdr_status, shdr_add_status; | |
15792 | union lpfc_sli4_cfg_shdr *shdr; | |
15793 | ||
2e90f4b5 | 15794 | /* sanity check on queue memory */ |
4f774513 JS |
15795 | if (!hrq || !drq) |
15796 | return -ENODEV; | |
15797 | mbox = mempool_alloc(hrq->phba->mbox_mem_pool, GFP_KERNEL); | |
15798 | if (!mbox) | |
15799 | return -ENOMEM; | |
15800 | length = (sizeof(struct lpfc_mbx_rq_destroy) - | |
fedd3b7b | 15801 | sizeof(struct lpfc_sli4_cfg_mhdr)); |
4f774513 JS |
15802 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, |
15803 | LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY, | |
15804 | length, LPFC_SLI4_MBX_EMBED); | |
15805 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
15806 | hrq->queue_id); | |
15807 | mbox->vport = hrq->phba->pport; | |
15808 | mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
15809 | rc = lpfc_sli_issue_mbox(hrq->phba, mbox, MBX_POLL); | |
15810 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
15811 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15812 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
15813 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15814 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15815 | if (shdr_status || shdr_add_status || rc) { | |
15816 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15817 | "2509 RQ_DESTROY mailbox failed with " | |
15818 | "status x%x add_status x%x, mbx status x%x\n", | |
15819 | shdr_status, shdr_add_status, rc); | |
15820 | if (rc != MBX_TIMEOUT) | |
15821 | mempool_free(mbox, hrq->phba->mbox_mem_pool); | |
15822 | return -ENXIO; | |
15823 | } | |
15824 | bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request, | |
15825 | drq->queue_id); | |
15826 | rc = lpfc_sli_issue_mbox(drq->phba, mbox, MBX_POLL); | |
15827 | shdr = (union lpfc_sli4_cfg_shdr *) | |
15828 | &mbox->u.mqe.un.rq_destroy.header.cfg_shdr; | |
15829 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15830 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15831 | if (shdr_status || shdr_add_status || rc) { | |
15832 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15833 | "2510 RQ_DESTROY mailbox failed with " | |
15834 | "status x%x add_status x%x, mbx status x%x\n", | |
15835 | shdr_status, shdr_add_status, rc); | |
15836 | status = -ENXIO; | |
15837 | } | |
15838 | list_del_init(&hrq->list); | |
15839 | list_del_init(&drq->list); | |
8fa38513 | 15840 | mempool_free(mbox, hrq->phba->mbox_mem_pool); |
4f774513 JS |
15841 | return status; |
15842 | } | |
15843 | ||
15844 | /** | |
15845 | * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA | |
15846 | * @phba: The virtual port for which this call being executed. | |
15847 | * @pdma_phys_addr0: Physical address of the 1st SGL page. | |
15848 | * @pdma_phys_addr1: Physical address of the 2nd SGL page. | |
15849 | * @xritag: the xritag that ties this io to the SGL pages. | |
15850 | * | |
15851 | * This routine will post the sgl pages for the IO that has the xritag | |
15852 | * that is in the iocbq structure. The xritag is assigned during iocbq | |
15853 | * creation and persists for as long as the driver is loaded. | |
15854 | * if the caller has fewer than 256 scatter gather segments to map then | |
15855 | * pdma_phys_addr1 should be 0. | |
15856 | * If the caller needs to map more than 256 scatter gather segment then | |
15857 | * pdma_phys_addr1 should be a valid physical address. | |
15858 | * physical address for SGLs must be 64 byte aligned. | |
15859 | * If you are going to map 2 SGL's then the first one must have 256 entries | |
15860 | * the second sgl can have between 1 and 256 entries. | |
15861 | * | |
15862 | * Return codes: | |
15863 | * 0 - Success | |
15864 | * -ENXIO, -ENOMEM - Failure | |
15865 | **/ | |
15866 | int | |
15867 | lpfc_sli4_post_sgl(struct lpfc_hba *phba, | |
15868 | dma_addr_t pdma_phys_addr0, | |
15869 | dma_addr_t pdma_phys_addr1, | |
15870 | uint16_t xritag) | |
15871 | { | |
15872 | struct lpfc_mbx_post_sgl_pages *post_sgl_pages; | |
15873 | LPFC_MBOXQ_t *mbox; | |
15874 | int rc; | |
15875 | uint32_t shdr_status, shdr_add_status; | |
6d368e53 | 15876 | uint32_t mbox_tmo; |
4f774513 JS |
15877 | union lpfc_sli4_cfg_shdr *shdr; |
15878 | ||
15879 | if (xritag == NO_XRI) { | |
15880 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
15881 | "0364 Invalid param:\n"); | |
15882 | return -EINVAL; | |
15883 | } | |
15884 | ||
15885 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
15886 | if (!mbox) | |
15887 | return -ENOMEM; | |
15888 | ||
15889 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
15890 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, | |
15891 | sizeof(struct lpfc_mbx_post_sgl_pages) - | |
fedd3b7b | 15892 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); |
4f774513 JS |
15893 | |
15894 | post_sgl_pages = (struct lpfc_mbx_post_sgl_pages *) | |
15895 | &mbox->u.mqe.un.post_sgl_pages; | |
15896 | bf_set(lpfc_post_sgl_pages_xri, post_sgl_pages, xritag); | |
15897 | bf_set(lpfc_post_sgl_pages_xricnt, post_sgl_pages, 1); | |
15898 | ||
15899 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_lo = | |
15900 | cpu_to_le32(putPaddrLow(pdma_phys_addr0)); | |
15901 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_hi = | |
15902 | cpu_to_le32(putPaddrHigh(pdma_phys_addr0)); | |
15903 | ||
15904 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_lo = | |
15905 | cpu_to_le32(putPaddrLow(pdma_phys_addr1)); | |
15906 | post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_hi = | |
15907 | cpu_to_le32(putPaddrHigh(pdma_phys_addr1)); | |
15908 | if (!phba->sli4_hba.intr_enable) | |
15909 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
6d368e53 | 15910 | else { |
a183a15f | 15911 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
6d368e53 JS |
15912 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
15913 | } | |
4f774513 JS |
15914 | /* The IOCTL status is embedded in the mailbox subheader. */ |
15915 | shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr; | |
15916 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
15917 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
15918 | if (rc != MBX_TIMEOUT) | |
15919 | mempool_free(mbox, phba->mbox_mem_pool); | |
15920 | if (shdr_status || shdr_add_status || rc) { | |
15921 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
15922 | "2511 POST_SGL mailbox failed with " | |
15923 | "status x%x add_status x%x, mbx status x%x\n", | |
15924 | shdr_status, shdr_add_status, rc); | |
4f774513 JS |
15925 | } |
15926 | return 0; | |
15927 | } | |
4f774513 | 15928 | |
6d368e53 | 15929 | /** |
88a2cfbb | 15930 | * lpfc_sli4_alloc_xri - Get an available rpi in the device's range |
6d368e53 JS |
15931 | * @phba: pointer to lpfc hba data structure. |
15932 | * | |
15933 | * This routine is invoked to post rpi header templates to the | |
88a2cfbb JS |
15934 | * HBA consistent with the SLI-4 interface spec. This routine |
15935 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to | |
15936 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6d368e53 | 15937 | * |
88a2cfbb JS |
15938 | * Returns |
15939 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful | |
15940 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. | |
15941 | **/ | |
5d8b8167 | 15942 | static uint16_t |
6d368e53 JS |
15943 | lpfc_sli4_alloc_xri(struct lpfc_hba *phba) |
15944 | { | |
15945 | unsigned long xri; | |
15946 | ||
15947 | /* | |
15948 | * Fetch the next logical xri. Because this index is logical, | |
15949 | * the driver starts at 0 each time. | |
15950 | */ | |
15951 | spin_lock_irq(&phba->hbalock); | |
15952 | xri = find_next_zero_bit(phba->sli4_hba.xri_bmask, | |
15953 | phba->sli4_hba.max_cfg_param.max_xri, 0); | |
15954 | if (xri >= phba->sli4_hba.max_cfg_param.max_xri) { | |
15955 | spin_unlock_irq(&phba->hbalock); | |
15956 | return NO_XRI; | |
15957 | } else { | |
15958 | set_bit(xri, phba->sli4_hba.xri_bmask); | |
15959 | phba->sli4_hba.max_cfg_param.xri_used++; | |
6d368e53 | 15960 | } |
6d368e53 JS |
15961 | spin_unlock_irq(&phba->hbalock); |
15962 | return xri; | |
15963 | } | |
15964 | ||
15965 | /** | |
15966 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
15967 | * @phba: pointer to lpfc hba data structure. | |
15968 | * | |
15969 | * This routine is invoked to release an xri to the pool of | |
15970 | * available rpis maintained by the driver. | |
15971 | **/ | |
5d8b8167 | 15972 | static void |
6d368e53 JS |
15973 | __lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) |
15974 | { | |
15975 | if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) { | |
6d368e53 JS |
15976 | phba->sli4_hba.max_cfg_param.xri_used--; |
15977 | } | |
15978 | } | |
15979 | ||
15980 | /** | |
15981 | * lpfc_sli4_free_xri - Release an xri for reuse. | |
15982 | * @phba: pointer to lpfc hba data structure. | |
15983 | * | |
15984 | * This routine is invoked to release an xri to the pool of | |
15985 | * available rpis maintained by the driver. | |
15986 | **/ | |
15987 | void | |
15988 | lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri) | |
15989 | { | |
15990 | spin_lock_irq(&phba->hbalock); | |
15991 | __lpfc_sli4_free_xri(phba, xri); | |
15992 | spin_unlock_irq(&phba->hbalock); | |
15993 | } | |
15994 | ||
4f774513 JS |
15995 | /** |
15996 | * lpfc_sli4_next_xritag - Get an xritag for the io | |
15997 | * @phba: Pointer to HBA context object. | |
15998 | * | |
15999 | * This function gets an xritag for the iocb. If there is no unused xritag | |
16000 | * it will return 0xffff. | |
16001 | * The function returns the allocated xritag if successful, else returns zero. | |
16002 | * Zero is not a valid xritag. | |
16003 | * The caller is not required to hold any lock. | |
16004 | **/ | |
16005 | uint16_t | |
16006 | lpfc_sli4_next_xritag(struct lpfc_hba *phba) | |
16007 | { | |
6d368e53 | 16008 | uint16_t xri_index; |
4f774513 | 16009 | |
6d368e53 | 16010 | xri_index = lpfc_sli4_alloc_xri(phba); |
81378052 JS |
16011 | if (xri_index == NO_XRI) |
16012 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
16013 | "2004 Failed to allocate XRI.last XRITAG is %d" | |
16014 | " Max XRI is %d, Used XRI is %d\n", | |
16015 | xri_index, | |
16016 | phba->sli4_hba.max_cfg_param.max_xri, | |
16017 | phba->sli4_hba.max_cfg_param.xri_used); | |
16018 | return xri_index; | |
4f774513 JS |
16019 | } |
16020 | ||
16021 | /** | |
895427bd | 16022 | * lpfc_sli4_post_sgl_list - post a block of ELS sgls to the port. |
4f774513 | 16023 | * @phba: pointer to lpfc hba data structure. |
8a9d2e80 JS |
16024 | * @post_sgl_list: pointer to els sgl entry list. |
16025 | * @count: number of els sgl entries on the list. | |
4f774513 JS |
16026 | * |
16027 | * This routine is invoked to post a block of driver's sgl pages to the | |
16028 | * HBA using non-embedded mailbox command. No Lock is held. This routine | |
16029 | * is only called when the driver is loading and after all IO has been | |
16030 | * stopped. | |
16031 | **/ | |
8a9d2e80 | 16032 | static int |
895427bd | 16033 | lpfc_sli4_post_sgl_list(struct lpfc_hba *phba, |
8a9d2e80 JS |
16034 | struct list_head *post_sgl_list, |
16035 | int post_cnt) | |
4f774513 | 16036 | { |
8a9d2e80 | 16037 | struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL; |
4f774513 JS |
16038 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; |
16039 | struct sgl_page_pairs *sgl_pg_pairs; | |
16040 | void *viraddr; | |
16041 | LPFC_MBOXQ_t *mbox; | |
16042 | uint32_t reqlen, alloclen, pg_pairs; | |
16043 | uint32_t mbox_tmo; | |
8a9d2e80 JS |
16044 | uint16_t xritag_start = 0; |
16045 | int rc = 0; | |
4f774513 JS |
16046 | uint32_t shdr_status, shdr_add_status; |
16047 | union lpfc_sli4_cfg_shdr *shdr; | |
16048 | ||
895427bd | 16049 | reqlen = post_cnt * sizeof(struct sgl_page_pairs) + |
4f774513 | 16050 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 16051 | if (reqlen > SLI4_PAGE_SIZE) { |
895427bd | 16052 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, |
4f774513 JS |
16053 | "2559 Block sgl registration required DMA " |
16054 | "size (%d) great than a page\n", reqlen); | |
16055 | return -ENOMEM; | |
16056 | } | |
895427bd | 16057 | |
4f774513 | 16058 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
6d368e53 | 16059 | if (!mbox) |
4f774513 | 16060 | return -ENOMEM; |
4f774513 JS |
16061 | |
16062 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
16063 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16064 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
16065 | LPFC_SLI4_MBX_NEMBED); | |
16066 | ||
16067 | if (alloclen < reqlen) { | |
16068 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16069 | "0285 Allocated DMA memory size (%d) is " | |
16070 | "less than the requested DMA memory " | |
16071 | "size (%d)\n", alloclen, reqlen); | |
16072 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16073 | return -ENOMEM; | |
16074 | } | |
4f774513 | 16075 | /* Set up the SGL pages in the non-embedded DMA pages */ |
6d368e53 | 16076 | viraddr = mbox->sge_array->addr[0]; |
4f774513 JS |
16077 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; |
16078 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
16079 | ||
8a9d2e80 JS |
16080 | pg_pairs = 0; |
16081 | list_for_each_entry_safe(sglq_entry, sglq_next, post_sgl_list, list) { | |
4f774513 JS |
16082 | /* Set up the sge entry */ |
16083 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
16084 | cpu_to_le32(putPaddrLow(sglq_entry->phys)); | |
16085 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
16086 | cpu_to_le32(putPaddrHigh(sglq_entry->phys)); | |
16087 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
16088 | cpu_to_le32(putPaddrLow(0)); | |
16089 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
16090 | cpu_to_le32(putPaddrHigh(0)); | |
6d368e53 | 16091 | |
4f774513 JS |
16092 | /* Keep the first xritag on the list */ |
16093 | if (pg_pairs == 0) | |
16094 | xritag_start = sglq_entry->sli4_xritag; | |
16095 | sgl_pg_pairs++; | |
8a9d2e80 | 16096 | pg_pairs++; |
4f774513 | 16097 | } |
6d368e53 JS |
16098 | |
16099 | /* Complete initialization and perform endian conversion. */ | |
4f774513 | 16100 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); |
895427bd | 16101 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, post_cnt); |
4f774513 | 16102 | sgl->word0 = cpu_to_le32(sgl->word0); |
895427bd | 16103 | |
4f774513 JS |
16104 | if (!phba->sli4_hba.intr_enable) |
16105 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16106 | else { | |
a183a15f | 16107 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
16108 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16109 | } | |
16110 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
16111 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16112 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16113 | if (rc != MBX_TIMEOUT) | |
16114 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16115 | if (shdr_status || shdr_add_status || rc) { | |
16116 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16117 | "2513 POST_SGL_BLOCK mailbox command failed " | |
16118 | "status x%x add_status x%x mbx status x%x\n", | |
16119 | shdr_status, shdr_add_status, rc); | |
16120 | rc = -ENXIO; | |
16121 | } | |
16122 | return rc; | |
16123 | } | |
16124 | ||
16125 | /** | |
16126 | * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware | |
16127 | * @phba: pointer to lpfc hba data structure. | |
16128 | * @sblist: pointer to scsi buffer list. | |
16129 | * @count: number of scsi buffers on the list. | |
16130 | * | |
16131 | * This routine is invoked to post a block of @count scsi sgl pages from a | |
16132 | * SCSI buffer list @sblist to the HBA using non-embedded mailbox command. | |
16133 | * No Lock is held. | |
16134 | * | |
16135 | **/ | |
16136 | int | |
8a9d2e80 JS |
16137 | lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba, |
16138 | struct list_head *sblist, | |
16139 | int count) | |
4f774513 JS |
16140 | { |
16141 | struct lpfc_scsi_buf *psb; | |
16142 | struct lpfc_mbx_post_uembed_sgl_page1 *sgl; | |
16143 | struct sgl_page_pairs *sgl_pg_pairs; | |
16144 | void *viraddr; | |
16145 | LPFC_MBOXQ_t *mbox; | |
16146 | uint32_t reqlen, alloclen, pg_pairs; | |
16147 | uint32_t mbox_tmo; | |
16148 | uint16_t xritag_start = 0; | |
16149 | int rc = 0; | |
16150 | uint32_t shdr_status, shdr_add_status; | |
16151 | dma_addr_t pdma_phys_bpl1; | |
16152 | union lpfc_sli4_cfg_shdr *shdr; | |
16153 | ||
16154 | /* Calculate the requested length of the dma memory */ | |
8a9d2e80 | 16155 | reqlen = count * sizeof(struct sgl_page_pairs) + |
4f774513 | 16156 | sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t); |
49198b37 | 16157 | if (reqlen > SLI4_PAGE_SIZE) { |
4f774513 JS |
16158 | lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, |
16159 | "0217 Block sgl registration required DMA " | |
16160 | "size (%d) great than a page\n", reqlen); | |
16161 | return -ENOMEM; | |
16162 | } | |
16163 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
16164 | if (!mbox) { | |
16165 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16166 | "0283 Failed to allocate mbox cmd memory\n"); | |
16167 | return -ENOMEM; | |
16168 | } | |
16169 | ||
16170 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
16171 | alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
16172 | LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen, | |
16173 | LPFC_SLI4_MBX_NEMBED); | |
16174 | ||
16175 | if (alloclen < reqlen) { | |
16176 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
16177 | "2561 Allocated DMA memory size (%d) is " | |
16178 | "less than the requested DMA memory " | |
16179 | "size (%d)\n", alloclen, reqlen); | |
16180 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16181 | return -ENOMEM; | |
16182 | } | |
6d368e53 | 16183 | |
4f774513 | 16184 | /* Get the first SGE entry from the non-embedded DMA memory */ |
4f774513 JS |
16185 | viraddr = mbox->sge_array->addr[0]; |
16186 | ||
16187 | /* Set up the SGL pages in the non-embedded DMA pages */ | |
16188 | sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr; | |
16189 | sgl_pg_pairs = &sgl->sgl_pg_pairs; | |
16190 | ||
16191 | pg_pairs = 0; | |
16192 | list_for_each_entry(psb, sblist, list) { | |
16193 | /* Set up the sge entry */ | |
16194 | sgl_pg_pairs->sgl_pg0_addr_lo = | |
16195 | cpu_to_le32(putPaddrLow(psb->dma_phys_bpl)); | |
16196 | sgl_pg_pairs->sgl_pg0_addr_hi = | |
16197 | cpu_to_le32(putPaddrHigh(psb->dma_phys_bpl)); | |
16198 | if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE) | |
16199 | pdma_phys_bpl1 = psb->dma_phys_bpl + SGL_PAGE_SIZE; | |
16200 | else | |
16201 | pdma_phys_bpl1 = 0; | |
16202 | sgl_pg_pairs->sgl_pg1_addr_lo = | |
16203 | cpu_to_le32(putPaddrLow(pdma_phys_bpl1)); | |
16204 | sgl_pg_pairs->sgl_pg1_addr_hi = | |
16205 | cpu_to_le32(putPaddrHigh(pdma_phys_bpl1)); | |
16206 | /* Keep the first xritag on the list */ | |
16207 | if (pg_pairs == 0) | |
16208 | xritag_start = psb->cur_iocbq.sli4_xritag; | |
16209 | sgl_pg_pairs++; | |
16210 | pg_pairs++; | |
16211 | } | |
16212 | bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start); | |
16213 | bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs); | |
16214 | /* Perform endian conversion if necessary */ | |
16215 | sgl->word0 = cpu_to_le32(sgl->word0); | |
16216 | ||
16217 | if (!phba->sli4_hba.intr_enable) | |
16218 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
16219 | else { | |
a183a15f | 16220 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
4f774513 JS |
16221 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
16222 | } | |
16223 | shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr; | |
16224 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
16225 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
16226 | if (rc != MBX_TIMEOUT) | |
16227 | lpfc_sli4_mbox_cmd_free(phba, mbox); | |
16228 | if (shdr_status || shdr_add_status || rc) { | |
16229 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16230 | "2564 POST_SGL_BLOCK mailbox command failed " | |
16231 | "status x%x add_status x%x mbx status x%x\n", | |
16232 | shdr_status, shdr_add_status, rc); | |
16233 | rc = -ENXIO; | |
16234 | } | |
16235 | return rc; | |
16236 | } | |
16237 | ||
16238 | /** | |
16239 | * lpfc_fc_frame_check - Check that this frame is a valid frame to handle | |
16240 | * @phba: pointer to lpfc_hba struct that the frame was received on | |
16241 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16242 | * | |
16243 | * This function checks the fields in the @fc_hdr to see if the FC frame is a | |
16244 | * valid type of frame that the LPFC driver will handle. This function will | |
16245 | * return a zero if the frame is a valid frame or a non zero value when the | |
16246 | * frame does not pass the check. | |
16247 | **/ | |
16248 | static int | |
16249 | lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) | |
16250 | { | |
474ffb74 | 16251 | /* make rctl_names static to save stack space */ |
4f774513 | 16252 | struct fc_vft_header *fc_vft_hdr; |
546fc854 | 16253 | uint32_t *header = (uint32_t *) fc_hdr; |
4f774513 | 16254 | |
ae9e28f3 JS |
16255 | #define FC_RCTL_MDS_DIAGS 0xF4 |
16256 | ||
4f774513 JS |
16257 | switch (fc_hdr->fh_r_ctl) { |
16258 | case FC_RCTL_DD_UNCAT: /* uncategorized information */ | |
16259 | case FC_RCTL_DD_SOL_DATA: /* solicited data */ | |
16260 | case FC_RCTL_DD_UNSOL_CTL: /* unsolicited control */ | |
16261 | case FC_RCTL_DD_SOL_CTL: /* solicited control or reply */ | |
16262 | case FC_RCTL_DD_UNSOL_DATA: /* unsolicited data */ | |
16263 | case FC_RCTL_DD_DATA_DESC: /* data descriptor */ | |
16264 | case FC_RCTL_DD_UNSOL_CMD: /* unsolicited command */ | |
16265 | case FC_RCTL_DD_CMD_STATUS: /* command status */ | |
16266 | case FC_RCTL_ELS_REQ: /* extended link services request */ | |
16267 | case FC_RCTL_ELS_REP: /* extended link services reply */ | |
16268 | case FC_RCTL_ELS4_REQ: /* FC-4 ELS request */ | |
16269 | case FC_RCTL_ELS4_REP: /* FC-4 ELS reply */ | |
16270 | case FC_RCTL_BA_NOP: /* basic link service NOP */ | |
16271 | case FC_RCTL_BA_ABTS: /* basic link service abort */ | |
16272 | case FC_RCTL_BA_RMC: /* remove connection */ | |
16273 | case FC_RCTL_BA_ACC: /* basic accept */ | |
16274 | case FC_RCTL_BA_RJT: /* basic reject */ | |
16275 | case FC_RCTL_BA_PRMT: | |
16276 | case FC_RCTL_ACK_1: /* acknowledge_1 */ | |
16277 | case FC_RCTL_ACK_0: /* acknowledge_0 */ | |
16278 | case FC_RCTL_P_RJT: /* port reject */ | |
16279 | case FC_RCTL_F_RJT: /* fabric reject */ | |
16280 | case FC_RCTL_P_BSY: /* port busy */ | |
16281 | case FC_RCTL_F_BSY: /* fabric busy to data frame */ | |
16282 | case FC_RCTL_F_BSYL: /* fabric busy to link control frame */ | |
16283 | case FC_RCTL_LCR: /* link credit reset */ | |
ae9e28f3 | 16284 | case FC_RCTL_MDS_DIAGS: /* MDS Diagnostics */ |
4f774513 JS |
16285 | case FC_RCTL_END: /* end */ |
16286 | break; | |
16287 | case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */ | |
16288 | fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
16289 | fc_hdr = &((struct fc_frame_header *)fc_vft_hdr)[1]; | |
16290 | return lpfc_fc_frame_check(phba, fc_hdr); | |
16291 | default: | |
16292 | goto drop; | |
16293 | } | |
ae9e28f3 JS |
16294 | |
16295 | #define FC_TYPE_VENDOR_UNIQUE 0xFF | |
16296 | ||
4f774513 JS |
16297 | switch (fc_hdr->fh_type) { |
16298 | case FC_TYPE_BLS: | |
16299 | case FC_TYPE_ELS: | |
16300 | case FC_TYPE_FCP: | |
16301 | case FC_TYPE_CT: | |
895427bd | 16302 | case FC_TYPE_NVME: |
ae9e28f3 | 16303 | case FC_TYPE_VENDOR_UNIQUE: |
4f774513 JS |
16304 | break; |
16305 | case FC_TYPE_IP: | |
16306 | case FC_TYPE_ILS: | |
16307 | default: | |
16308 | goto drop; | |
16309 | } | |
546fc854 | 16310 | |
4f774513 | 16311 | lpfc_printf_log(phba, KERN_INFO, LOG_ELS, |
78e1d200 | 16312 | "2538 Received frame rctl:x%x, type:x%x, " |
88f43a08 | 16313 | "frame Data:%08x %08x %08x %08x %08x %08x %08x\n", |
78e1d200 JS |
16314 | fc_hdr->fh_r_ctl, fc_hdr->fh_type, |
16315 | be32_to_cpu(header[0]), be32_to_cpu(header[1]), | |
16316 | be32_to_cpu(header[2]), be32_to_cpu(header[3]), | |
16317 | be32_to_cpu(header[4]), be32_to_cpu(header[5]), | |
16318 | be32_to_cpu(header[6])); | |
4f774513 JS |
16319 | return 0; |
16320 | drop: | |
16321 | lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, | |
78e1d200 JS |
16322 | "2539 Dropped frame rctl:x%x type:x%x\n", |
16323 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
4f774513 JS |
16324 | return 1; |
16325 | } | |
16326 | ||
16327 | /** | |
16328 | * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame | |
16329 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16330 | * | |
16331 | * This function processes the FC header to retrieve the VFI from the VF | |
16332 | * header, if one exists. This function will return the VFI if one exists | |
16333 | * or 0 if no VSAN Header exists. | |
16334 | **/ | |
16335 | static uint32_t | |
16336 | lpfc_fc_hdr_get_vfi(struct fc_frame_header *fc_hdr) | |
16337 | { | |
16338 | struct fc_vft_header *fc_vft_hdr = (struct fc_vft_header *)fc_hdr; | |
16339 | ||
16340 | if (fc_hdr->fh_r_ctl != FC_RCTL_VFTH) | |
16341 | return 0; | |
16342 | return bf_get(fc_vft_hdr_vf_id, fc_vft_hdr); | |
16343 | } | |
16344 | ||
16345 | /** | |
16346 | * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to | |
16347 | * @phba: Pointer to the HBA structure to search for the vport on | |
16348 | * @fc_hdr: A pointer to the FC Header data (In Big Endian Format) | |
16349 | * @fcfi: The FC Fabric ID that the frame came from | |
16350 | * | |
16351 | * This function searches the @phba for a vport that matches the content of the | |
16352 | * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the | |
16353 | * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function | |
16354 | * returns the matching vport pointer or NULL if unable to match frame to a | |
16355 | * vport. | |
16356 | **/ | |
16357 | static struct lpfc_vport * | |
16358 | lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, | |
895427bd | 16359 | uint16_t fcfi, uint32_t did) |
4f774513 JS |
16360 | { |
16361 | struct lpfc_vport **vports; | |
16362 | struct lpfc_vport *vport = NULL; | |
16363 | int i; | |
939723a4 | 16364 | |
bf08611b JS |
16365 | if (did == Fabric_DID) |
16366 | return phba->pport; | |
939723a4 JS |
16367 | if ((phba->pport->fc_flag & FC_PT2PT) && |
16368 | !(phba->link_state == LPFC_HBA_READY)) | |
16369 | return phba->pport; | |
16370 | ||
4f774513 | 16371 | vports = lpfc_create_vport_work_array(phba); |
895427bd | 16372 | if (vports != NULL) { |
4f774513 JS |
16373 | for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { |
16374 | if (phba->fcf.fcfi == fcfi && | |
16375 | vports[i]->vfi == lpfc_fc_hdr_get_vfi(fc_hdr) && | |
16376 | vports[i]->fc_myDID == did) { | |
16377 | vport = vports[i]; | |
16378 | break; | |
16379 | } | |
16380 | } | |
895427bd | 16381 | } |
4f774513 JS |
16382 | lpfc_destroy_vport_work_array(phba, vports); |
16383 | return vport; | |
16384 | } | |
16385 | ||
45ed1190 JS |
16386 | /** |
16387 | * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp | |
16388 | * @vport: The vport to work on. | |
16389 | * | |
16390 | * This function updates the receive sequence time stamp for this vport. The | |
16391 | * receive sequence time stamp indicates the time that the last frame of the | |
16392 | * the sequence that has been idle for the longest amount of time was received. | |
16393 | * the driver uses this time stamp to indicate if any received sequences have | |
16394 | * timed out. | |
16395 | **/ | |
5d8b8167 | 16396 | static void |
45ed1190 JS |
16397 | lpfc_update_rcv_time_stamp(struct lpfc_vport *vport) |
16398 | { | |
16399 | struct lpfc_dmabuf *h_buf; | |
16400 | struct hbq_dmabuf *dmabuf = NULL; | |
16401 | ||
16402 | /* get the oldest sequence on the rcv list */ | |
16403 | h_buf = list_get_first(&vport->rcv_buffer_list, | |
16404 | struct lpfc_dmabuf, list); | |
16405 | if (!h_buf) | |
16406 | return; | |
16407 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16408 | vport->rcv_buffer_time_stamp = dmabuf->time_stamp; | |
16409 | } | |
16410 | ||
16411 | /** | |
16412 | * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences. | |
16413 | * @vport: The vport that the received sequences were sent to. | |
16414 | * | |
16415 | * This function cleans up all outstanding received sequences. This is called | |
16416 | * by the driver when a link event or user action invalidates all the received | |
16417 | * sequences. | |
16418 | **/ | |
16419 | void | |
16420 | lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport) | |
16421 | { | |
16422 | struct lpfc_dmabuf *h_buf, *hnext; | |
16423 | struct lpfc_dmabuf *d_buf, *dnext; | |
16424 | struct hbq_dmabuf *dmabuf = NULL; | |
16425 | ||
16426 | /* start with the oldest sequence on the rcv list */ | |
16427 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
16428 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16429 | list_del_init(&dmabuf->hbuf.list); | |
16430 | list_for_each_entry_safe(d_buf, dnext, | |
16431 | &dmabuf->dbuf.list, list) { | |
16432 | list_del_init(&d_buf->list); | |
16433 | lpfc_in_buf_free(vport->phba, d_buf); | |
16434 | } | |
16435 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
16436 | } | |
16437 | } | |
16438 | ||
16439 | /** | |
16440 | * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences. | |
16441 | * @vport: The vport that the received sequences were sent to. | |
16442 | * | |
16443 | * This function determines whether any received sequences have timed out by | |
16444 | * first checking the vport's rcv_buffer_time_stamp. If this time_stamp | |
16445 | * indicates that there is at least one timed out sequence this routine will | |
16446 | * go through the received sequences one at a time from most inactive to most | |
16447 | * active to determine which ones need to be cleaned up. Once it has determined | |
16448 | * that a sequence needs to be cleaned up it will simply free up the resources | |
16449 | * without sending an abort. | |
16450 | **/ | |
16451 | void | |
16452 | lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport) | |
16453 | { | |
16454 | struct lpfc_dmabuf *h_buf, *hnext; | |
16455 | struct lpfc_dmabuf *d_buf, *dnext; | |
16456 | struct hbq_dmabuf *dmabuf = NULL; | |
16457 | unsigned long timeout; | |
16458 | int abort_count = 0; | |
16459 | ||
16460 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
16461 | vport->rcv_buffer_time_stamp); | |
16462 | if (list_empty(&vport->rcv_buffer_list) || | |
16463 | time_before(jiffies, timeout)) | |
16464 | return; | |
16465 | /* start with the oldest sequence on the rcv list */ | |
16466 | list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) { | |
16467 | dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16468 | timeout = (msecs_to_jiffies(vport->phba->fc_edtov) + | |
16469 | dmabuf->time_stamp); | |
16470 | if (time_before(jiffies, timeout)) | |
16471 | break; | |
16472 | abort_count++; | |
16473 | list_del_init(&dmabuf->hbuf.list); | |
16474 | list_for_each_entry_safe(d_buf, dnext, | |
16475 | &dmabuf->dbuf.list, list) { | |
16476 | list_del_init(&d_buf->list); | |
16477 | lpfc_in_buf_free(vport->phba, d_buf); | |
16478 | } | |
16479 | lpfc_in_buf_free(vport->phba, &dmabuf->dbuf); | |
16480 | } | |
16481 | if (abort_count) | |
16482 | lpfc_update_rcv_time_stamp(vport); | |
16483 | } | |
16484 | ||
4f774513 JS |
16485 | /** |
16486 | * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences | |
16487 | * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame | |
16488 | * | |
16489 | * This function searches through the existing incomplete sequences that have | |
16490 | * been sent to this @vport. If the frame matches one of the incomplete | |
16491 | * sequences then the dbuf in the @dmabuf is added to the list of frames that | |
16492 | * make up that sequence. If no sequence is found that matches this frame then | |
16493 | * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list | |
16494 | * This function returns a pointer to the first dmabuf in the sequence list that | |
16495 | * the frame was linked to. | |
16496 | **/ | |
16497 | static struct hbq_dmabuf * | |
16498 | lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
16499 | { | |
16500 | struct fc_frame_header *new_hdr; | |
16501 | struct fc_frame_header *temp_hdr; | |
16502 | struct lpfc_dmabuf *d_buf; | |
16503 | struct lpfc_dmabuf *h_buf; | |
16504 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
16505 | struct hbq_dmabuf *temp_dmabuf = NULL; | |
4360ca9c | 16506 | uint8_t found = 0; |
4f774513 | 16507 | |
4d9ab994 | 16508 | INIT_LIST_HEAD(&dmabuf->dbuf.list); |
45ed1190 | 16509 | dmabuf->time_stamp = jiffies; |
4f774513 | 16510 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
4360ca9c | 16511 | |
4f774513 JS |
16512 | /* Use the hdr_buf to find the sequence that this frame belongs to */ |
16513 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
16514 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
16515 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
16516 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
16517 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
16518 | continue; | |
16519 | /* found a pending sequence that matches this frame */ | |
16520 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16521 | break; | |
16522 | } | |
16523 | if (!seq_dmabuf) { | |
16524 | /* | |
16525 | * This indicates first frame received for this sequence. | |
16526 | * Queue the buffer on the vport's rcv_buffer_list. | |
16527 | */ | |
16528 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
45ed1190 | 16529 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
16530 | return dmabuf; |
16531 | } | |
16532 | temp_hdr = seq_dmabuf->hbuf.virt; | |
eeead811 JS |
16533 | if (be16_to_cpu(new_hdr->fh_seq_cnt) < |
16534 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4d9ab994 JS |
16535 | list_del_init(&seq_dmabuf->hbuf.list); |
16536 | list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
16537 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
45ed1190 | 16538 | lpfc_update_rcv_time_stamp(vport); |
4f774513 JS |
16539 | return dmabuf; |
16540 | } | |
45ed1190 JS |
16541 | /* move this sequence to the tail to indicate a young sequence */ |
16542 | list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list); | |
16543 | seq_dmabuf->time_stamp = jiffies; | |
16544 | lpfc_update_rcv_time_stamp(vport); | |
eeead811 JS |
16545 | if (list_empty(&seq_dmabuf->dbuf.list)) { |
16546 | temp_hdr = dmabuf->hbuf.virt; | |
16547 | list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list); | |
16548 | return seq_dmabuf; | |
16549 | } | |
4f774513 | 16550 | /* find the correct place in the sequence to insert this frame */ |
4360ca9c JS |
16551 | d_buf = list_entry(seq_dmabuf->dbuf.list.prev, typeof(*d_buf), list); |
16552 | while (!found) { | |
4f774513 JS |
16553 | temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); |
16554 | temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt; | |
16555 | /* | |
16556 | * If the frame's sequence count is greater than the frame on | |
16557 | * the list then insert the frame right after this frame | |
16558 | */ | |
eeead811 JS |
16559 | if (be16_to_cpu(new_hdr->fh_seq_cnt) > |
16560 | be16_to_cpu(temp_hdr->fh_seq_cnt)) { | |
4f774513 | 16561 | list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list); |
4360ca9c JS |
16562 | found = 1; |
16563 | break; | |
4f774513 | 16564 | } |
4360ca9c JS |
16565 | |
16566 | if (&d_buf->list == &seq_dmabuf->dbuf.list) | |
16567 | break; | |
16568 | d_buf = list_entry(d_buf->list.prev, typeof(*d_buf), list); | |
4f774513 | 16569 | } |
4360ca9c JS |
16570 | |
16571 | if (found) | |
16572 | return seq_dmabuf; | |
4f774513 JS |
16573 | return NULL; |
16574 | } | |
16575 | ||
6669f9bb JS |
16576 | /** |
16577 | * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence | |
16578 | * @vport: pointer to a vitural port | |
16579 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16580 | * | |
16581 | * This function tries to abort from the partially assembed sequence, described | |
16582 | * by the information from basic abbort @dmabuf. It checks to see whether such | |
16583 | * partially assembled sequence held by the driver. If so, it shall free up all | |
16584 | * the frames from the partially assembled sequence. | |
16585 | * | |
16586 | * Return | |
16587 | * true -- if there is matching partially assembled sequence present and all | |
16588 | * the frames freed with the sequence; | |
16589 | * false -- if there is no matching partially assembled sequence present so | |
16590 | * nothing got aborted in the lower layer driver | |
16591 | **/ | |
16592 | static bool | |
16593 | lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport, | |
16594 | struct hbq_dmabuf *dmabuf) | |
16595 | { | |
16596 | struct fc_frame_header *new_hdr; | |
16597 | struct fc_frame_header *temp_hdr; | |
16598 | struct lpfc_dmabuf *d_buf, *n_buf, *h_buf; | |
16599 | struct hbq_dmabuf *seq_dmabuf = NULL; | |
16600 | ||
16601 | /* Use the hdr_buf to find the sequence that matches this frame */ | |
16602 | INIT_LIST_HEAD(&dmabuf->dbuf.list); | |
16603 | INIT_LIST_HEAD(&dmabuf->hbuf.list); | |
16604 | new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
16605 | list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) { | |
16606 | temp_hdr = (struct fc_frame_header *)h_buf->virt; | |
16607 | if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) || | |
16608 | (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) || | |
16609 | (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3))) | |
16610 | continue; | |
16611 | /* found a pending sequence that matches this frame */ | |
16612 | seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf); | |
16613 | break; | |
16614 | } | |
16615 | ||
16616 | /* Free up all the frames from the partially assembled sequence */ | |
16617 | if (seq_dmabuf) { | |
16618 | list_for_each_entry_safe(d_buf, n_buf, | |
16619 | &seq_dmabuf->dbuf.list, list) { | |
16620 | list_del_init(&d_buf->list); | |
16621 | lpfc_in_buf_free(vport->phba, d_buf); | |
16622 | } | |
16623 | return true; | |
16624 | } | |
16625 | return false; | |
16626 | } | |
16627 | ||
6dd9e31c JS |
16628 | /** |
16629 | * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp | |
16630 | * @vport: pointer to a vitural port | |
16631 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16632 | * | |
16633 | * This function tries to abort from the assembed sequence from upper level | |
16634 | * protocol, described by the information from basic abbort @dmabuf. It | |
16635 | * checks to see whether such pending context exists at upper level protocol. | |
16636 | * If so, it shall clean up the pending context. | |
16637 | * | |
16638 | * Return | |
16639 | * true -- if there is matching pending context of the sequence cleaned | |
16640 | * at ulp; | |
16641 | * false -- if there is no matching pending context of the sequence present | |
16642 | * at ulp. | |
16643 | **/ | |
16644 | static bool | |
16645 | lpfc_sli4_abort_ulp_seq(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf) | |
16646 | { | |
16647 | struct lpfc_hba *phba = vport->phba; | |
16648 | int handled; | |
16649 | ||
16650 | /* Accepting abort at ulp with SLI4 only */ | |
16651 | if (phba->sli_rev < LPFC_SLI_REV4) | |
16652 | return false; | |
16653 | ||
16654 | /* Register all caring upper level protocols to attend abort */ | |
16655 | handled = lpfc_ct_handle_unsol_abort(phba, dmabuf); | |
16656 | if (handled) | |
16657 | return true; | |
16658 | ||
16659 | return false; | |
16660 | } | |
16661 | ||
6669f9bb | 16662 | /** |
546fc854 | 16663 | * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler |
6669f9bb JS |
16664 | * @phba: Pointer to HBA context object. |
16665 | * @cmd_iocbq: pointer to the command iocbq structure. | |
16666 | * @rsp_iocbq: pointer to the response iocbq structure. | |
16667 | * | |
546fc854 | 16668 | * This function handles the sequence abort response iocb command complete |
6669f9bb JS |
16669 | * event. It properly releases the memory allocated to the sequence abort |
16670 | * accept iocb. | |
16671 | **/ | |
16672 | static void | |
546fc854 | 16673 | lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, |
6669f9bb JS |
16674 | struct lpfc_iocbq *cmd_iocbq, |
16675 | struct lpfc_iocbq *rsp_iocbq) | |
16676 | { | |
6dd9e31c JS |
16677 | struct lpfc_nodelist *ndlp; |
16678 | ||
16679 | if (cmd_iocbq) { | |
16680 | ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1; | |
16681 | lpfc_nlp_put(ndlp); | |
16682 | lpfc_nlp_not_used(ndlp); | |
6669f9bb | 16683 | lpfc_sli_release_iocbq(phba, cmd_iocbq); |
6dd9e31c | 16684 | } |
6b5151fd JS |
16685 | |
16686 | /* Failure means BLS ABORT RSP did not get delivered to remote node*/ | |
16687 | if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) | |
16688 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
16689 | "3154 BLS ABORT RSP failed, data: x%x/x%x\n", | |
16690 | rsp_iocbq->iocb.ulpStatus, | |
16691 | rsp_iocbq->iocb.un.ulpWord[4]); | |
6669f9bb JS |
16692 | } |
16693 | ||
6d368e53 JS |
16694 | /** |
16695 | * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver. | |
16696 | * @phba: Pointer to HBA context object. | |
16697 | * @xri: xri id in transaction. | |
16698 | * | |
16699 | * This function validates the xri maps to the known range of XRIs allocated an | |
16700 | * used by the driver. | |
16701 | **/ | |
7851fe2c | 16702 | uint16_t |
6d368e53 JS |
16703 | lpfc_sli4_xri_inrange(struct lpfc_hba *phba, |
16704 | uint16_t xri) | |
16705 | { | |
a2fc4aef | 16706 | uint16_t i; |
6d368e53 JS |
16707 | |
16708 | for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) { | |
16709 | if (xri == phba->sli4_hba.xri_ids[i]) | |
16710 | return i; | |
16711 | } | |
16712 | return NO_XRI; | |
16713 | } | |
16714 | ||
6669f9bb | 16715 | /** |
546fc854 | 16716 | * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort |
6669f9bb JS |
16717 | * @phba: Pointer to HBA context object. |
16718 | * @fc_hdr: pointer to a FC frame header. | |
16719 | * | |
546fc854 | 16720 | * This function sends a basic response to a previous unsol sequence abort |
6669f9bb JS |
16721 | * event after aborting the sequence handling. |
16722 | **/ | |
86c67379 | 16723 | void |
6dd9e31c JS |
16724 | lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport, |
16725 | struct fc_frame_header *fc_hdr, bool aborted) | |
6669f9bb | 16726 | { |
6dd9e31c | 16727 | struct lpfc_hba *phba = vport->phba; |
6669f9bb JS |
16728 | struct lpfc_iocbq *ctiocb = NULL; |
16729 | struct lpfc_nodelist *ndlp; | |
ee0f4fe1 | 16730 | uint16_t oxid, rxid, xri, lxri; |
5ffc266e | 16731 | uint32_t sid, fctl; |
6669f9bb | 16732 | IOCB_t *icmd; |
546fc854 | 16733 | int rc; |
6669f9bb JS |
16734 | |
16735 | if (!lpfc_is_link_up(phba)) | |
16736 | return; | |
16737 | ||
16738 | sid = sli4_sid_from_fc_hdr(fc_hdr); | |
16739 | oxid = be16_to_cpu(fc_hdr->fh_ox_id); | |
5ffc266e | 16740 | rxid = be16_to_cpu(fc_hdr->fh_rx_id); |
6669f9bb | 16741 | |
6dd9e31c | 16742 | ndlp = lpfc_findnode_did(vport, sid); |
6669f9bb | 16743 | if (!ndlp) { |
9d3d340d | 16744 | ndlp = lpfc_nlp_init(vport, sid); |
6dd9e31c JS |
16745 | if (!ndlp) { |
16746 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
16747 | "1268 Failed to allocate ndlp for " | |
16748 | "oxid:x%x SID:x%x\n", oxid, sid); | |
16749 | return; | |
16750 | } | |
6dd9e31c JS |
16751 | /* Put ndlp onto pport node list */ |
16752 | lpfc_enqueue_node(vport, ndlp); | |
16753 | } else if (!NLP_CHK_NODE_ACT(ndlp)) { | |
16754 | /* re-setup ndlp without removing from node list */ | |
16755 | ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE); | |
16756 | if (!ndlp) { | |
16757 | lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS, | |
16758 | "3275 Failed to active ndlp found " | |
16759 | "for oxid:x%x SID:x%x\n", oxid, sid); | |
16760 | return; | |
16761 | } | |
6669f9bb JS |
16762 | } |
16763 | ||
546fc854 | 16764 | /* Allocate buffer for rsp iocb */ |
6669f9bb JS |
16765 | ctiocb = lpfc_sli_get_iocbq(phba); |
16766 | if (!ctiocb) | |
16767 | return; | |
16768 | ||
5ffc266e JS |
16769 | /* Extract the F_CTL field from FC_HDR */ |
16770 | fctl = sli4_fctl_from_fc_hdr(fc_hdr); | |
16771 | ||
6669f9bb | 16772 | icmd = &ctiocb->iocb; |
6669f9bb | 16773 | icmd->un.xseq64.bdl.bdeSize = 0; |
5ffc266e | 16774 | icmd->un.xseq64.bdl.ulpIoTag32 = 0; |
6669f9bb JS |
16775 | icmd->un.xseq64.w5.hcsw.Dfctl = 0; |
16776 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC; | |
16777 | icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS; | |
16778 | ||
16779 | /* Fill in the rest of iocb fields */ | |
16780 | icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX; | |
16781 | icmd->ulpBdeCount = 0; | |
16782 | icmd->ulpLe = 1; | |
16783 | icmd->ulpClass = CLASS3; | |
6d368e53 | 16784 | icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]; |
6dd9e31c | 16785 | ctiocb->context1 = lpfc_nlp_get(ndlp); |
6669f9bb | 16786 | |
6669f9bb JS |
16787 | ctiocb->iocb_cmpl = NULL; |
16788 | ctiocb->vport = phba->pport; | |
546fc854 | 16789 | ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl; |
6d368e53 | 16790 | ctiocb->sli4_lxritag = NO_XRI; |
546fc854 JS |
16791 | ctiocb->sli4_xritag = NO_XRI; |
16792 | ||
ee0f4fe1 JS |
16793 | if (fctl & FC_FC_EX_CTX) |
16794 | /* Exchange responder sent the abort so we | |
16795 | * own the oxid. | |
16796 | */ | |
16797 | xri = oxid; | |
16798 | else | |
16799 | xri = rxid; | |
16800 | lxri = lpfc_sli4_xri_inrange(phba, xri); | |
16801 | if (lxri != NO_XRI) | |
16802 | lpfc_set_rrq_active(phba, ndlp, lxri, | |
16803 | (xri == oxid) ? rxid : oxid, 0); | |
6dd9e31c JS |
16804 | /* For BA_ABTS from exchange responder, if the logical xri with |
16805 | * the oxid maps to the FCP XRI range, the port no longer has | |
16806 | * that exchange context, send a BLS_RJT. Override the IOCB for | |
16807 | * a BA_RJT. | |
16808 | */ | |
16809 | if ((fctl & FC_FC_EX_CTX) && | |
895427bd | 16810 | (lxri > lpfc_sli4_get_iocb_cnt(phba))) { |
6dd9e31c JS |
16811 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
16812 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
16813 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
16814 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
16815 | } | |
16816 | ||
16817 | /* If BA_ABTS failed to abort a partially assembled receive sequence, | |
16818 | * the driver no longer has that exchange, send a BLS_RJT. Override | |
16819 | * the IOCB for a BA_RJT. | |
546fc854 | 16820 | */ |
6dd9e31c | 16821 | if (aborted == false) { |
546fc854 JS |
16822 | icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT; |
16823 | bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0); | |
16824 | bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID); | |
16825 | bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE); | |
16826 | } | |
6669f9bb | 16827 | |
5ffc266e JS |
16828 | if (fctl & FC_FC_EX_CTX) { |
16829 | /* ABTS sent by responder to CT exchange, construction | |
16830 | * of BA_ACC will use OX_ID from ABTS for the XRI_TAG | |
16831 | * field and RX_ID from ABTS for RX_ID field. | |
16832 | */ | |
546fc854 | 16833 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); |
5ffc266e JS |
16834 | } else { |
16835 | /* ABTS sent by initiator to CT exchange, construction | |
16836 | * of BA_ACC will need to allocate a new XRI as for the | |
f09c3acc | 16837 | * XRI_TAG field. |
5ffc266e | 16838 | */ |
546fc854 | 16839 | bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); |
5ffc266e | 16840 | } |
f09c3acc | 16841 | bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); |
546fc854 | 16842 | bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); |
5ffc266e | 16843 | |
546fc854 | 16844 | /* Xmit CT abts response on exchange <xid> */ |
6dd9e31c JS |
16845 | lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, |
16846 | "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n", | |
16847 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state); | |
546fc854 JS |
16848 | |
16849 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0); | |
16850 | if (rc == IOCB_ERROR) { | |
6dd9e31c JS |
16851 | lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, |
16852 | "2925 Failed to issue CT ABTS RSP x%x on " | |
16853 | "xri x%x, Data x%x\n", | |
16854 | icmd->un.xseq64.w5.hcsw.Rctl, oxid, | |
16855 | phba->link_state); | |
16856 | lpfc_nlp_put(ndlp); | |
16857 | ctiocb->context1 = NULL; | |
546fc854 JS |
16858 | lpfc_sli_release_iocbq(phba, ctiocb); |
16859 | } | |
6669f9bb JS |
16860 | } |
16861 | ||
16862 | /** | |
16863 | * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event | |
16864 | * @vport: Pointer to the vport on which this sequence was received | |
16865 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16866 | * | |
16867 | * This function handles an SLI-4 unsolicited abort event. If the unsolicited | |
16868 | * receive sequence is only partially assembed by the driver, it shall abort | |
16869 | * the partially assembled frames for the sequence. Otherwise, if the | |
16870 | * unsolicited receive sequence has been completely assembled and passed to | |
16871 | * the Upper Layer Protocol (UPL), it then mark the per oxid status for the | |
16872 | * unsolicited sequence has been aborted. After that, it will issue a basic | |
16873 | * accept to accept the abort. | |
16874 | **/ | |
5d8b8167 | 16875 | static void |
6669f9bb JS |
16876 | lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport, |
16877 | struct hbq_dmabuf *dmabuf) | |
16878 | { | |
16879 | struct lpfc_hba *phba = vport->phba; | |
16880 | struct fc_frame_header fc_hdr; | |
5ffc266e | 16881 | uint32_t fctl; |
6dd9e31c | 16882 | bool aborted; |
6669f9bb | 16883 | |
6669f9bb JS |
16884 | /* Make a copy of fc_hdr before the dmabuf being released */ |
16885 | memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header)); | |
5ffc266e | 16886 | fctl = sli4_fctl_from_fc_hdr(&fc_hdr); |
6669f9bb | 16887 | |
5ffc266e | 16888 | if (fctl & FC_FC_EX_CTX) { |
6dd9e31c JS |
16889 | /* ABTS by responder to exchange, no cleanup needed */ |
16890 | aborted = true; | |
5ffc266e | 16891 | } else { |
6dd9e31c JS |
16892 | /* ABTS by initiator to exchange, need to do cleanup */ |
16893 | aborted = lpfc_sli4_abort_partial_seq(vport, dmabuf); | |
16894 | if (aborted == false) | |
16895 | aborted = lpfc_sli4_abort_ulp_seq(vport, dmabuf); | |
5ffc266e | 16896 | } |
6dd9e31c JS |
16897 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
16898 | ||
86c67379 JS |
16899 | if (phba->nvmet_support) { |
16900 | lpfc_nvmet_rcv_unsol_abort(vport, &fc_hdr); | |
16901 | return; | |
16902 | } | |
16903 | ||
6dd9e31c JS |
16904 | /* Respond with BA_ACC or BA_RJT accordingly */ |
16905 | lpfc_sli4_seq_abort_rsp(vport, &fc_hdr, aborted); | |
6669f9bb JS |
16906 | } |
16907 | ||
4f774513 JS |
16908 | /** |
16909 | * lpfc_seq_complete - Indicates if a sequence is complete | |
16910 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16911 | * | |
16912 | * This function checks the sequence, starting with the frame described by | |
16913 | * @dmabuf, to see if all the frames associated with this sequence are present. | |
16914 | * the frames associated with this sequence are linked to the @dmabuf using the | |
16915 | * dbuf list. This function looks for two major things. 1) That the first frame | |
16916 | * has a sequence count of zero. 2) There is a frame with last frame of sequence | |
16917 | * set. 3) That there are no holes in the sequence count. The function will | |
16918 | * return 1 when the sequence is complete, otherwise it will return 0. | |
16919 | **/ | |
16920 | static int | |
16921 | lpfc_seq_complete(struct hbq_dmabuf *dmabuf) | |
16922 | { | |
16923 | struct fc_frame_header *hdr; | |
16924 | struct lpfc_dmabuf *d_buf; | |
16925 | struct hbq_dmabuf *seq_dmabuf; | |
16926 | uint32_t fctl; | |
16927 | int seq_count = 0; | |
16928 | ||
16929 | hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
16930 | /* make sure first fame of sequence has a sequence count of zero */ | |
16931 | if (hdr->fh_seq_cnt != seq_count) | |
16932 | return 0; | |
16933 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
16934 | hdr->fh_f_ctl[1] << 8 | | |
16935 | hdr->fh_f_ctl[2]); | |
16936 | /* If last frame of sequence we can return success. */ | |
16937 | if (fctl & FC_FC_END_SEQ) | |
16938 | return 1; | |
16939 | list_for_each_entry(d_buf, &dmabuf->dbuf.list, list) { | |
16940 | seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
16941 | hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
16942 | /* If there is a hole in the sequence count then fail. */ | |
eeead811 | 16943 | if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt)) |
4f774513 JS |
16944 | return 0; |
16945 | fctl = (hdr->fh_f_ctl[0] << 16 | | |
16946 | hdr->fh_f_ctl[1] << 8 | | |
16947 | hdr->fh_f_ctl[2]); | |
16948 | /* If last frame of sequence we can return success. */ | |
16949 | if (fctl & FC_FC_END_SEQ) | |
16950 | return 1; | |
16951 | } | |
16952 | return 0; | |
16953 | } | |
16954 | ||
16955 | /** | |
16956 | * lpfc_prep_seq - Prep sequence for ULP processing | |
16957 | * @vport: Pointer to the vport on which this sequence was received | |
16958 | * @dmabuf: pointer to a dmabuf that describes the FC sequence | |
16959 | * | |
16960 | * This function takes a sequence, described by a list of frames, and creates | |
16961 | * a list of iocbq structures to describe the sequence. This iocbq list will be | |
16962 | * used to issue to the generic unsolicited sequence handler. This routine | |
16963 | * returns a pointer to the first iocbq in the list. If the function is unable | |
16964 | * to allocate an iocbq then it throw out the received frames that were not | |
16965 | * able to be described and return a pointer to the first iocbq. If unable to | |
16966 | * allocate any iocbqs (including the first) this function will return NULL. | |
16967 | **/ | |
16968 | static struct lpfc_iocbq * | |
16969 | lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf) | |
16970 | { | |
7851fe2c | 16971 | struct hbq_dmabuf *hbq_buf; |
4f774513 JS |
16972 | struct lpfc_dmabuf *d_buf, *n_buf; |
16973 | struct lpfc_iocbq *first_iocbq, *iocbq; | |
16974 | struct fc_frame_header *fc_hdr; | |
16975 | uint32_t sid; | |
7851fe2c | 16976 | uint32_t len, tot_len; |
eeead811 | 16977 | struct ulp_bde64 *pbde; |
4f774513 JS |
16978 | |
16979 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
16980 | /* remove from receive buffer list */ | |
16981 | list_del_init(&seq_dmabuf->hbuf.list); | |
45ed1190 | 16982 | lpfc_update_rcv_time_stamp(vport); |
4f774513 | 16983 | /* get the Remote Port's SID */ |
6669f9bb | 16984 | sid = sli4_sid_from_fc_hdr(fc_hdr); |
7851fe2c | 16985 | tot_len = 0; |
4f774513 JS |
16986 | /* Get an iocbq struct to fill in. */ |
16987 | first_iocbq = lpfc_sli_get_iocbq(vport->phba); | |
16988 | if (first_iocbq) { | |
16989 | /* Initialize the first IOCB. */ | |
8fa38513 | 16990 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0; |
4f774513 | 16991 | first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS; |
895427bd | 16992 | first_iocbq->vport = vport; |
939723a4 JS |
16993 | |
16994 | /* Check FC Header to see what TYPE of frame we are rcv'ing */ | |
16995 | if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) { | |
16996 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX; | |
16997 | first_iocbq->iocb.un.rcvels.parmRo = | |
16998 | sli4_did_from_fc_hdr(fc_hdr); | |
16999 | first_iocbq->iocb.ulpPU = PARM_NPIV_DID; | |
17000 | } else | |
17001 | first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX; | |
7851fe2c JS |
17002 | first_iocbq->iocb.ulpContext = NO_XRI; |
17003 | first_iocbq->iocb.unsli3.rcvsli3.ox_id = | |
17004 | be16_to_cpu(fc_hdr->fh_ox_id); | |
17005 | /* iocbq is prepped for internal consumption. Physical vpi. */ | |
17006 | first_iocbq->iocb.unsli3.rcvsli3.vpi = | |
17007 | vport->phba->vpi_ids[vport->vpi]; | |
4f774513 | 17008 | /* put the first buffer into the first IOCBq */ |
48a5a664 JS |
17009 | tot_len = bf_get(lpfc_rcqe_length, |
17010 | &seq_dmabuf->cq_event.cqe.rcqe_cmpl); | |
17011 | ||
4f774513 JS |
17012 | first_iocbq->context2 = &seq_dmabuf->dbuf; |
17013 | first_iocbq->context3 = NULL; | |
17014 | first_iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
17015 | if (tot_len > LPFC_DATA_BUF_SIZE) |
17016 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 17017 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
17018 | else |
17019 | first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = tot_len; | |
17020 | ||
4f774513 | 17021 | first_iocbq->iocb.un.rcvels.remoteID = sid; |
48a5a664 | 17022 | |
7851fe2c | 17023 | first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; |
4f774513 JS |
17024 | } |
17025 | iocbq = first_iocbq; | |
17026 | /* | |
17027 | * Each IOCBq can have two Buffers assigned, so go through the list | |
17028 | * of buffers for this sequence and save two buffers in each IOCBq | |
17029 | */ | |
17030 | list_for_each_entry_safe(d_buf, n_buf, &seq_dmabuf->dbuf.list, list) { | |
17031 | if (!iocbq) { | |
17032 | lpfc_in_buf_free(vport->phba, d_buf); | |
17033 | continue; | |
17034 | } | |
17035 | if (!iocbq->context3) { | |
17036 | iocbq->context3 = d_buf; | |
17037 | iocbq->iocb.ulpBdeCount++; | |
7851fe2c JS |
17038 | /* We need to get the size out of the right CQE */ |
17039 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17040 | len = bf_get(lpfc_rcqe_length, | |
17041 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
48a5a664 JS |
17042 | pbde = (struct ulp_bde64 *) |
17043 | &iocbq->iocb.unsli3.sli3Words[4]; | |
17044 | if (len > LPFC_DATA_BUF_SIZE) | |
17045 | pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE; | |
17046 | else | |
17047 | pbde->tus.f.bdeSize = len; | |
17048 | ||
7851fe2c JS |
17049 | iocbq->iocb.unsli3.rcvsli3.acc_len += len; |
17050 | tot_len += len; | |
4f774513 JS |
17051 | } else { |
17052 | iocbq = lpfc_sli_get_iocbq(vport->phba); | |
17053 | if (!iocbq) { | |
17054 | if (first_iocbq) { | |
17055 | first_iocbq->iocb.ulpStatus = | |
17056 | IOSTAT_FCP_RSP_ERROR; | |
17057 | first_iocbq->iocb.un.ulpWord[4] = | |
17058 | IOERR_NO_RESOURCES; | |
17059 | } | |
17060 | lpfc_in_buf_free(vport->phba, d_buf); | |
17061 | continue; | |
17062 | } | |
48a5a664 JS |
17063 | /* We need to get the size out of the right CQE */ |
17064 | hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); | |
17065 | len = bf_get(lpfc_rcqe_length, | |
17066 | &hbq_buf->cq_event.cqe.rcqe_cmpl); | |
4f774513 JS |
17067 | iocbq->context2 = d_buf; |
17068 | iocbq->context3 = NULL; | |
17069 | iocbq->iocb.ulpBdeCount = 1; | |
48a5a664 JS |
17070 | if (len > LPFC_DATA_BUF_SIZE) |
17071 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = | |
4f774513 | 17072 | LPFC_DATA_BUF_SIZE; |
48a5a664 JS |
17073 | else |
17074 | iocbq->iocb.un.cont64[0].tus.f.bdeSize = len; | |
7851fe2c | 17075 | |
7851fe2c JS |
17076 | tot_len += len; |
17077 | iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len; | |
17078 | ||
4f774513 JS |
17079 | iocbq->iocb.un.rcvels.remoteID = sid; |
17080 | list_add_tail(&iocbq->list, &first_iocbq->list); | |
17081 | } | |
17082 | } | |
17083 | return first_iocbq; | |
17084 | } | |
17085 | ||
6669f9bb JS |
17086 | static void |
17087 | lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport, | |
17088 | struct hbq_dmabuf *seq_dmabuf) | |
17089 | { | |
17090 | struct fc_frame_header *fc_hdr; | |
17091 | struct lpfc_iocbq *iocbq, *curr_iocb, *next_iocb; | |
17092 | struct lpfc_hba *phba = vport->phba; | |
17093 | ||
17094 | fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt; | |
17095 | iocbq = lpfc_prep_seq(vport, seq_dmabuf); | |
17096 | if (!iocbq) { | |
17097 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17098 | "2707 Ring %d handler: Failed to allocate " | |
17099 | "iocb Rctl x%x Type x%x received\n", | |
17100 | LPFC_ELS_RING, | |
17101 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17102 | return; | |
17103 | } | |
17104 | if (!lpfc_complete_unsol_iocb(phba, | |
895427bd | 17105 | phba->sli4_hba.els_wq->pring, |
6669f9bb JS |
17106 | iocbq, fc_hdr->fh_r_ctl, |
17107 | fc_hdr->fh_type)) | |
6d368e53 | 17108 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
6669f9bb JS |
17109 | "2540 Ring %d handler: unexpected Rctl " |
17110 | "x%x Type x%x received\n", | |
17111 | LPFC_ELS_RING, | |
17112 | fc_hdr->fh_r_ctl, fc_hdr->fh_type); | |
17113 | ||
17114 | /* Free iocb created in lpfc_prep_seq */ | |
17115 | list_for_each_entry_safe(curr_iocb, next_iocb, | |
17116 | &iocbq->list, list) { | |
17117 | list_del_init(&curr_iocb->list); | |
17118 | lpfc_sli_release_iocbq(phba, curr_iocb); | |
17119 | } | |
17120 | lpfc_sli_release_iocbq(phba, iocbq); | |
17121 | } | |
17122 | ||
ae9e28f3 JS |
17123 | static void |
17124 | lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, | |
17125 | struct lpfc_iocbq *rspiocb) | |
17126 | { | |
17127 | struct lpfc_dmabuf *pcmd = cmdiocb->context2; | |
17128 | ||
17129 | if (pcmd && pcmd->virt) | |
771db5c0 | 17130 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 JS |
17131 | kfree(pcmd); |
17132 | lpfc_sli_release_iocbq(phba, cmdiocb); | |
17133 | } | |
17134 | ||
17135 | static void | |
17136 | lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, | |
17137 | struct hbq_dmabuf *dmabuf) | |
17138 | { | |
17139 | struct fc_frame_header *fc_hdr; | |
17140 | struct lpfc_hba *phba = vport->phba; | |
17141 | struct lpfc_iocbq *iocbq = NULL; | |
17142 | union lpfc_wqe *wqe; | |
17143 | struct lpfc_dmabuf *pcmd = NULL; | |
17144 | uint32_t frame_len; | |
17145 | int rc; | |
17146 | ||
17147 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; | |
17148 | frame_len = bf_get(lpfc_rcqe_length, &dmabuf->cq_event.cqe.rcqe_cmpl); | |
17149 | ||
17150 | /* Send the received frame back */ | |
17151 | iocbq = lpfc_sli_get_iocbq(phba); | |
17152 | if (!iocbq) | |
17153 | goto exit; | |
17154 | ||
17155 | /* Allocate buffer for command payload */ | |
17156 | pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); | |
17157 | if (pcmd) | |
771db5c0 | 17158 | pcmd->virt = dma_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, |
ae9e28f3 JS |
17159 | &pcmd->phys); |
17160 | if (!pcmd || !pcmd->virt) | |
17161 | goto exit; | |
17162 | ||
17163 | INIT_LIST_HEAD(&pcmd->list); | |
17164 | ||
17165 | /* copyin the payload */ | |
17166 | memcpy(pcmd->virt, dmabuf->dbuf.virt, frame_len); | |
17167 | ||
17168 | /* fill in BDE's for command */ | |
17169 | iocbq->iocb.un.xseq64.bdl.addrHigh = putPaddrHigh(pcmd->phys); | |
17170 | iocbq->iocb.un.xseq64.bdl.addrLow = putPaddrLow(pcmd->phys); | |
17171 | iocbq->iocb.un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDE_64; | |
17172 | iocbq->iocb.un.xseq64.bdl.bdeSize = frame_len; | |
17173 | ||
17174 | iocbq->context2 = pcmd; | |
17175 | iocbq->vport = vport; | |
17176 | iocbq->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; | |
17177 | iocbq->iocb_flag |= LPFC_USE_FCPWQIDX; | |
17178 | ||
17179 | /* | |
17180 | * Setup rest of the iocb as though it were a WQE | |
17181 | * Build the SEND_FRAME WQE | |
17182 | */ | |
17183 | wqe = (union lpfc_wqe *)&iocbq->iocb; | |
17184 | ||
17185 | wqe->send_frame.frame_len = frame_len; | |
17186 | wqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((uint32_t *)fc_hdr)); | |
17187 | wqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((uint32_t *)fc_hdr + 1)); | |
17188 | wqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((uint32_t *)fc_hdr + 2)); | |
17189 | wqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((uint32_t *)fc_hdr + 3)); | |
17190 | wqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((uint32_t *)fc_hdr + 4)); | |
17191 | wqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((uint32_t *)fc_hdr + 5)); | |
17192 | ||
17193 | iocbq->iocb.ulpCommand = CMD_SEND_FRAME; | |
17194 | iocbq->iocb.ulpLe = 1; | |
17195 | iocbq->iocb_cmpl = lpfc_sli4_mds_loopback_cmpl; | |
17196 | rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); | |
17197 | if (rc == IOCB_ERROR) | |
17198 | goto exit; | |
17199 | ||
17200 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17201 | return; | |
17202 | ||
17203 | exit: | |
17204 | lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, | |
17205 | "2023 Unable to process MDS loopback frame\n"); | |
17206 | if (pcmd && pcmd->virt) | |
771db5c0 | 17207 | dma_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); |
ae9e28f3 | 17208 | kfree(pcmd); |
401bb416 DK |
17209 | if (iocbq) |
17210 | lpfc_sli_release_iocbq(phba, iocbq); | |
ae9e28f3 JS |
17211 | lpfc_in_buf_free(phba, &dmabuf->dbuf); |
17212 | } | |
17213 | ||
4f774513 JS |
17214 | /** |
17215 | * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware | |
17216 | * @phba: Pointer to HBA context object. | |
17217 | * | |
17218 | * This function is called with no lock held. This function processes all | |
17219 | * the received buffers and gives it to upper layers when a received buffer | |
17220 | * indicates that it is the final frame in the sequence. The interrupt | |
895427bd | 17221 | * service routine processes received buffers at interrupt contexts. |
4f774513 JS |
17222 | * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the |
17223 | * appropriate receive function when the final frame in a sequence is received. | |
17224 | **/ | |
4d9ab994 JS |
17225 | void |
17226 | lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, | |
17227 | struct hbq_dmabuf *dmabuf) | |
4f774513 | 17228 | { |
4d9ab994 | 17229 | struct hbq_dmabuf *seq_dmabuf; |
4f774513 JS |
17230 | struct fc_frame_header *fc_hdr; |
17231 | struct lpfc_vport *vport; | |
17232 | uint32_t fcfi; | |
939723a4 | 17233 | uint32_t did; |
4f774513 | 17234 | |
4f774513 | 17235 | /* Process each received buffer */ |
4d9ab994 | 17236 | fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; |
2ea259ee | 17237 | |
4d9ab994 JS |
17238 | /* check to see if this a valid type of frame */ |
17239 | if (lpfc_fc_frame_check(phba, fc_hdr)) { | |
17240 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17241 | return; | |
17242 | } | |
2ea259ee | 17243 | |
7851fe2c JS |
17244 | if ((bf_get(lpfc_cqe_code, |
17245 | &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1)) | |
17246 | fcfi = bf_get(lpfc_rcqe_fcf_id_v1, | |
17247 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
17248 | else | |
17249 | fcfi = bf_get(lpfc_rcqe_fcf_id, | |
17250 | &dmabuf->cq_event.cqe.rcqe_cmpl); | |
939723a4 | 17251 | |
ae9e28f3 JS |
17252 | if (fc_hdr->fh_r_ctl == 0xF4 && fc_hdr->fh_type == 0xFF) { |
17253 | vport = phba->pport; | |
17254 | /* Handle MDS Loopback frames */ | |
17255 | lpfc_sli4_handle_mds_loopback(vport, dmabuf); | |
17256 | return; | |
17257 | } | |
17258 | ||
895427bd JS |
17259 | /* d_id this frame is directed to */ |
17260 | did = sli4_did_from_fc_hdr(fc_hdr); | |
17261 | ||
17262 | vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi, did); | |
939723a4 | 17263 | if (!vport) { |
4d9ab994 JS |
17264 | /* throw out the frame */ |
17265 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17266 | return; | |
17267 | } | |
939723a4 | 17268 | |
939723a4 JS |
17269 | /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */ |
17270 | if (!(vport->vpi_state & LPFC_VPI_REGISTERED) && | |
17271 | (did != Fabric_DID)) { | |
17272 | /* | |
17273 | * Throw out the frame if we are not pt2pt. | |
17274 | * The pt2pt protocol allows for discovery frames | |
17275 | * to be received without a registered VPI. | |
17276 | */ | |
17277 | if (!(vport->fc_flag & FC_PT2PT) || | |
17278 | (phba->link_state == LPFC_HBA_READY)) { | |
17279 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17280 | return; | |
17281 | } | |
17282 | } | |
17283 | ||
6669f9bb JS |
17284 | /* Handle the basic abort sequence (BA_ABTS) event */ |
17285 | if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) { | |
17286 | lpfc_sli4_handle_unsol_abort(vport, dmabuf); | |
17287 | return; | |
17288 | } | |
17289 | ||
4d9ab994 JS |
17290 | /* Link this frame */ |
17291 | seq_dmabuf = lpfc_fc_frame_add(vport, dmabuf); | |
17292 | if (!seq_dmabuf) { | |
17293 | /* unable to add frame to vport - throw it out */ | |
17294 | lpfc_in_buf_free(phba, &dmabuf->dbuf); | |
17295 | return; | |
17296 | } | |
17297 | /* If not last frame in sequence continue processing frames. */ | |
def9c7a9 | 17298 | if (!lpfc_seq_complete(seq_dmabuf)) |
4d9ab994 | 17299 | return; |
def9c7a9 | 17300 | |
6669f9bb JS |
17301 | /* Send the complete sequence to the upper layer protocol */ |
17302 | lpfc_sli4_send_seq_to_ulp(vport, seq_dmabuf); | |
4f774513 | 17303 | } |
6fb120a7 JS |
17304 | |
17305 | /** | |
17306 | * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port | |
17307 | * @phba: pointer to lpfc hba data structure. | |
17308 | * | |
17309 | * This routine is invoked to post rpi header templates to the | |
17310 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
17311 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
17312 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
17313 | * |
17314 | * This routine does not require any locks. It's usage is expected | |
17315 | * to be driver load or reset recovery when the driver is | |
17316 | * sequential. | |
17317 | * | |
17318 | * Return codes | |
af901ca1 | 17319 | * 0 - successful |
d439d286 | 17320 | * -EIO - The mailbox failed to complete successfully. |
6fb120a7 JS |
17321 | * When this error occurs, the driver is not guaranteed |
17322 | * to have any rpi regions posted to the device and | |
17323 | * must either attempt to repost the regions or take a | |
17324 | * fatal error. | |
17325 | **/ | |
17326 | int | |
17327 | lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba) | |
17328 | { | |
17329 | struct lpfc_rpi_hdr *rpi_page; | |
17330 | uint32_t rc = 0; | |
6d368e53 JS |
17331 | uint16_t lrpi = 0; |
17332 | ||
17333 | /* SLI4 ports that support extents do not require RPI headers. */ | |
17334 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
17335 | goto exit; | |
17336 | if (phba->sli4_hba.extents_in_use) | |
17337 | return -EIO; | |
6fb120a7 | 17338 | |
6fb120a7 | 17339 | list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) { |
6d368e53 JS |
17340 | /* |
17341 | * Assign the rpi headers a physical rpi only if the driver | |
17342 | * has not initialized those resources. A port reset only | |
17343 | * needs the headers posted. | |
17344 | */ | |
17345 | if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) != | |
17346 | LPFC_RPI_RSRC_RDY) | |
17347 | rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
17348 | ||
6fb120a7 JS |
17349 | rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page); |
17350 | if (rc != MBX_SUCCESS) { | |
17351 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17352 | "2008 Error %d posting all rpi " | |
17353 | "headers\n", rc); | |
17354 | rc = -EIO; | |
17355 | break; | |
17356 | } | |
17357 | } | |
17358 | ||
6d368e53 JS |
17359 | exit: |
17360 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, | |
17361 | LPFC_RPI_RSRC_RDY); | |
6fb120a7 JS |
17362 | return rc; |
17363 | } | |
17364 | ||
17365 | /** | |
17366 | * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port | |
17367 | * @phba: pointer to lpfc hba data structure. | |
17368 | * @rpi_page: pointer to the rpi memory region. | |
17369 | * | |
17370 | * This routine is invoked to post a single rpi header to the | |
17371 | * HBA consistent with the SLI-4 interface spec. This memory region | |
17372 | * maps up to 64 rpi context regions. | |
17373 | * | |
17374 | * Return codes | |
af901ca1 | 17375 | * 0 - successful |
d439d286 JS |
17376 | * -ENOMEM - No available memory |
17377 | * -EIO - The mailbox failed to complete successfully. | |
6fb120a7 JS |
17378 | **/ |
17379 | int | |
17380 | lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) | |
17381 | { | |
17382 | LPFC_MBOXQ_t *mboxq; | |
17383 | struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl; | |
17384 | uint32_t rc = 0; | |
6fb120a7 JS |
17385 | uint32_t shdr_status, shdr_add_status; |
17386 | union lpfc_sli4_cfg_shdr *shdr; | |
17387 | ||
6d368e53 JS |
17388 | /* SLI4 ports that support extents do not require RPI headers. */ |
17389 | if (!phba->sli4_hba.rpi_hdrs_in_use) | |
17390 | return rc; | |
17391 | if (phba->sli4_hba.extents_in_use) | |
17392 | return -EIO; | |
17393 | ||
6fb120a7 JS |
17394 | /* The port is notified of the header region via a mailbox command. */ |
17395 | mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17396 | if (!mboxq) { | |
17397 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17398 | "2001 Unable to allocate memory for issuing " | |
17399 | "SLI_CONFIG_SPECIAL mailbox command\n"); | |
17400 | return -ENOMEM; | |
17401 | } | |
17402 | ||
17403 | /* Post all rpi memory regions to the port. */ | |
17404 | hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl; | |
6fb120a7 JS |
17405 | lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, |
17406 | LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE, | |
17407 | sizeof(struct lpfc_mbx_post_hdr_tmpl) - | |
fedd3b7b JS |
17408 | sizeof(struct lpfc_sli4_cfg_mhdr), |
17409 | LPFC_SLI4_MBX_EMBED); | |
6d368e53 JS |
17410 | |
17411 | ||
17412 | /* Post the physical rpi to the port for this rpi header. */ | |
6fb120a7 JS |
17413 | bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl, |
17414 | rpi_page->start_rpi); | |
6d368e53 JS |
17415 | bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt, |
17416 | hdr_tmpl, rpi_page->page_count); | |
17417 | ||
6fb120a7 JS |
17418 | hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys); |
17419 | hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys); | |
f1126688 | 17420 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); |
6fb120a7 JS |
17421 | shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr; |
17422 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
17423 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
17424 | if (rc != MBX_TIMEOUT) | |
17425 | mempool_free(mboxq, phba->mbox_mem_pool); | |
17426 | if (shdr_status || shdr_add_status || rc) { | |
17427 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17428 | "2514 POST_RPI_HDR mailbox failed with " | |
17429 | "status x%x add_status x%x, mbx status x%x\n", | |
17430 | shdr_status, shdr_add_status, rc); | |
17431 | rc = -ENXIO; | |
845d9e8d JS |
17432 | } else { |
17433 | /* | |
17434 | * The next_rpi stores the next logical module-64 rpi value used | |
17435 | * to post physical rpis in subsequent rpi postings. | |
17436 | */ | |
17437 | spin_lock_irq(&phba->hbalock); | |
17438 | phba->sli4_hba.next_rpi = rpi_page->next_rpi; | |
17439 | spin_unlock_irq(&phba->hbalock); | |
6fb120a7 JS |
17440 | } |
17441 | return rc; | |
17442 | } | |
17443 | ||
17444 | /** | |
17445 | * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range | |
17446 | * @phba: pointer to lpfc hba data structure. | |
17447 | * | |
17448 | * This routine is invoked to post rpi header templates to the | |
17449 | * HBA consistent with the SLI-4 interface spec. This routine | |
49198b37 JS |
17450 | * posts a SLI4_PAGE_SIZE memory region to the port to hold up to |
17451 | * SLI4_PAGE_SIZE modulo 64 rpi context headers. | |
6fb120a7 JS |
17452 | * |
17453 | * Returns | |
af901ca1 | 17454 | * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful |
6fb120a7 JS |
17455 | * LPFC_RPI_ALLOC_ERROR if no rpis are available. |
17456 | **/ | |
17457 | int | |
17458 | lpfc_sli4_alloc_rpi(struct lpfc_hba *phba) | |
17459 | { | |
6d368e53 JS |
17460 | unsigned long rpi; |
17461 | uint16_t max_rpi, rpi_limit; | |
17462 | uint16_t rpi_remaining, lrpi = 0; | |
6fb120a7 | 17463 | struct lpfc_rpi_hdr *rpi_hdr; |
4902b381 | 17464 | unsigned long iflag; |
6fb120a7 | 17465 | |
6fb120a7 | 17466 | /* |
6d368e53 JS |
17467 | * Fetch the next logical rpi. Because this index is logical, |
17468 | * the driver starts at 0 each time. | |
6fb120a7 | 17469 | */ |
4902b381 | 17470 | spin_lock_irqsave(&phba->hbalock, iflag); |
be6bb941 JS |
17471 | max_rpi = phba->sli4_hba.max_cfg_param.max_rpi; |
17472 | rpi_limit = phba->sli4_hba.next_rpi; | |
17473 | ||
6d368e53 JS |
17474 | rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0); |
17475 | if (rpi >= rpi_limit) | |
6fb120a7 JS |
17476 | rpi = LPFC_RPI_ALLOC_ERROR; |
17477 | else { | |
17478 | set_bit(rpi, phba->sli4_hba.rpi_bmask); | |
17479 | phba->sli4_hba.max_cfg_param.rpi_used++; | |
17480 | phba->sli4_hba.rpi_count++; | |
17481 | } | |
be6bb941 JS |
17482 | lpfc_printf_log(phba, KERN_INFO, LOG_SLI, |
17483 | "0001 rpi:%x max:%x lim:%x\n", | |
17484 | (int) rpi, max_rpi, rpi_limit); | |
6fb120a7 JS |
17485 | |
17486 | /* | |
17487 | * Don't try to allocate more rpi header regions if the device limit | |
6d368e53 | 17488 | * has been exhausted. |
6fb120a7 JS |
17489 | */ |
17490 | if ((rpi == LPFC_RPI_ALLOC_ERROR) && | |
17491 | (phba->sli4_hba.rpi_count >= max_rpi)) { | |
4902b381 | 17492 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
17493 | return rpi; |
17494 | } | |
17495 | ||
6d368e53 JS |
17496 | /* |
17497 | * RPI header postings are not required for SLI4 ports capable of | |
17498 | * extents. | |
17499 | */ | |
17500 | if (!phba->sli4_hba.rpi_hdrs_in_use) { | |
4902b381 | 17501 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6d368e53 JS |
17502 | return rpi; |
17503 | } | |
17504 | ||
6fb120a7 JS |
17505 | /* |
17506 | * If the driver is running low on rpi resources, allocate another | |
17507 | * page now. Note that the next_rpi value is used because | |
17508 | * it represents how many are actually in use whereas max_rpi notes | |
17509 | * how many are supported max by the device. | |
17510 | */ | |
6d368e53 | 17511 | rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count; |
4902b381 | 17512 | spin_unlock_irqrestore(&phba->hbalock, iflag); |
6fb120a7 JS |
17513 | if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) { |
17514 | rpi_hdr = lpfc_sli4_create_rpi_hdr(phba); | |
17515 | if (!rpi_hdr) { | |
17516 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17517 | "2002 Error Could not grow rpi " | |
17518 | "count\n"); | |
17519 | } else { | |
6d368e53 JS |
17520 | lrpi = rpi_hdr->start_rpi; |
17521 | rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi]; | |
6fb120a7 JS |
17522 | lpfc_sli4_post_rpi_hdr(phba, rpi_hdr); |
17523 | } | |
17524 | } | |
17525 | ||
17526 | return rpi; | |
17527 | } | |
17528 | ||
d7c47992 JS |
17529 | /** |
17530 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
17531 | * @phba: pointer to lpfc hba data structure. | |
17532 | * | |
17533 | * This routine is invoked to release an rpi to the pool of | |
17534 | * available rpis maintained by the driver. | |
17535 | **/ | |
5d8b8167 | 17536 | static void |
d7c47992 JS |
17537 | __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) |
17538 | { | |
17539 | if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) { | |
17540 | phba->sli4_hba.rpi_count--; | |
17541 | phba->sli4_hba.max_cfg_param.rpi_used--; | |
17542 | } | |
17543 | } | |
17544 | ||
6fb120a7 JS |
17545 | /** |
17546 | * lpfc_sli4_free_rpi - Release an rpi for reuse. | |
17547 | * @phba: pointer to lpfc hba data structure. | |
17548 | * | |
17549 | * This routine is invoked to release an rpi to the pool of | |
17550 | * available rpis maintained by the driver. | |
17551 | **/ | |
17552 | void | |
17553 | lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi) | |
17554 | { | |
17555 | spin_lock_irq(&phba->hbalock); | |
d7c47992 | 17556 | __lpfc_sli4_free_rpi(phba, rpi); |
6fb120a7 JS |
17557 | spin_unlock_irq(&phba->hbalock); |
17558 | } | |
17559 | ||
17560 | /** | |
17561 | * lpfc_sli4_remove_rpis - Remove the rpi bitmask region | |
17562 | * @phba: pointer to lpfc hba data structure. | |
17563 | * | |
17564 | * This routine is invoked to remove the memory region that | |
17565 | * provided rpi via a bitmask. | |
17566 | **/ | |
17567 | void | |
17568 | lpfc_sli4_remove_rpis(struct lpfc_hba *phba) | |
17569 | { | |
17570 | kfree(phba->sli4_hba.rpi_bmask); | |
6d368e53 JS |
17571 | kfree(phba->sli4_hba.rpi_ids); |
17572 | bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0); | |
6fb120a7 JS |
17573 | } |
17574 | ||
17575 | /** | |
17576 | * lpfc_sli4_resume_rpi - Remove the rpi bitmask region | |
17577 | * @phba: pointer to lpfc hba data structure. | |
17578 | * | |
17579 | * This routine is invoked to remove the memory region that | |
17580 | * provided rpi via a bitmask. | |
17581 | **/ | |
17582 | int | |
6b5151fd JS |
17583 | lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, |
17584 | void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) | |
6fb120a7 JS |
17585 | { |
17586 | LPFC_MBOXQ_t *mboxq; | |
17587 | struct lpfc_hba *phba = ndlp->phba; | |
17588 | int rc; | |
17589 | ||
17590 | /* The port is notified of the header region via a mailbox command. */ | |
17591 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17592 | if (!mboxq) | |
17593 | return -ENOMEM; | |
17594 | ||
17595 | /* Post all rpi memory regions to the port. */ | |
17596 | lpfc_resume_rpi(mboxq, ndlp); | |
6b5151fd JS |
17597 | if (cmpl) { |
17598 | mboxq->mbox_cmpl = cmpl; | |
17599 | mboxq->context1 = arg; | |
17600 | mboxq->context2 = ndlp; | |
72859909 JS |
17601 | } else |
17602 | mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
6b5151fd | 17603 | mboxq->vport = ndlp->vport; |
6fb120a7 JS |
17604 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
17605 | if (rc == MBX_NOT_FINISHED) { | |
17606 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
17607 | "2010 Resume RPI Mailbox failed " | |
17608 | "status %d, mbxStatus x%x\n", rc, | |
17609 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
17610 | mempool_free(mboxq, phba->mbox_mem_pool); | |
17611 | return -EIO; | |
17612 | } | |
17613 | return 0; | |
17614 | } | |
17615 | ||
17616 | /** | |
17617 | * lpfc_sli4_init_vpi - Initialize a vpi with the port | |
76a95d75 | 17618 | * @vport: Pointer to the vport for which the vpi is being initialized |
6fb120a7 | 17619 | * |
76a95d75 | 17620 | * This routine is invoked to activate a vpi with the port. |
6fb120a7 JS |
17621 | * |
17622 | * Returns: | |
17623 | * 0 success | |
17624 | * -Evalue otherwise | |
17625 | **/ | |
17626 | int | |
76a95d75 | 17627 | lpfc_sli4_init_vpi(struct lpfc_vport *vport) |
6fb120a7 JS |
17628 | { |
17629 | LPFC_MBOXQ_t *mboxq; | |
17630 | int rc = 0; | |
6a9c52cf | 17631 | int retval = MBX_SUCCESS; |
6fb120a7 | 17632 | uint32_t mbox_tmo; |
76a95d75 | 17633 | struct lpfc_hba *phba = vport->phba; |
6fb120a7 JS |
17634 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
17635 | if (!mboxq) | |
17636 | return -ENOMEM; | |
76a95d75 | 17637 | lpfc_init_vpi(phba, mboxq, vport->vpi); |
a183a15f | 17638 | mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq); |
6fb120a7 | 17639 | rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo); |
6fb120a7 | 17640 | if (rc != MBX_SUCCESS) { |
76a95d75 | 17641 | lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI, |
6fb120a7 JS |
17642 | "2022 INIT VPI Mailbox failed " |
17643 | "status %d, mbxStatus x%x\n", rc, | |
17644 | bf_get(lpfc_mqe_status, &mboxq->u.mqe)); | |
6a9c52cf | 17645 | retval = -EIO; |
6fb120a7 | 17646 | } |
6a9c52cf | 17647 | if (rc != MBX_TIMEOUT) |
76a95d75 | 17648 | mempool_free(mboxq, vport->phba->mbox_mem_pool); |
6a9c52cf JS |
17649 | |
17650 | return retval; | |
6fb120a7 JS |
17651 | } |
17652 | ||
17653 | /** | |
17654 | * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler. | |
17655 | * @phba: pointer to lpfc hba data structure. | |
17656 | * @mboxq: Pointer to mailbox object. | |
17657 | * | |
17658 | * This routine is invoked to manually add a single FCF record. The caller | |
17659 | * must pass a completely initialized FCF_Record. This routine takes | |
17660 | * care of the nonembedded mailbox operations. | |
17661 | **/ | |
17662 | static void | |
17663 | lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) | |
17664 | { | |
17665 | void *virt_addr; | |
17666 | union lpfc_sli4_cfg_shdr *shdr; | |
17667 | uint32_t shdr_status, shdr_add_status; | |
17668 | ||
17669 | virt_addr = mboxq->sge_array->addr[0]; | |
17670 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
17671 | shdr = (union lpfc_sli4_cfg_shdr *) virt_addr; | |
17672 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
17673 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
17674 | ||
17675 | if ((shdr_status || shdr_add_status) && | |
17676 | (shdr_status != STATUS_FCF_IN_USE)) | |
17677 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17678 | "2558 ADD_FCF_RECORD mailbox failed with " | |
17679 | "status x%x add_status x%x\n", | |
17680 | shdr_status, shdr_add_status); | |
17681 | ||
17682 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17683 | } | |
17684 | ||
17685 | /** | |
17686 | * lpfc_sli4_add_fcf_record - Manually add an FCF Record. | |
17687 | * @phba: pointer to lpfc hba data structure. | |
17688 | * @fcf_record: pointer to the initialized fcf record to add. | |
17689 | * | |
17690 | * This routine is invoked to manually add a single FCF record. The caller | |
17691 | * must pass a completely initialized FCF_Record. This routine takes | |
17692 | * care of the nonembedded mailbox operations. | |
17693 | **/ | |
17694 | int | |
17695 | lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record) | |
17696 | { | |
17697 | int rc = 0; | |
17698 | LPFC_MBOXQ_t *mboxq; | |
17699 | uint8_t *bytep; | |
17700 | void *virt_addr; | |
6fb120a7 JS |
17701 | struct lpfc_mbx_sge sge; |
17702 | uint32_t alloc_len, req_len; | |
17703 | uint32_t fcfindex; | |
17704 | ||
17705 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17706 | if (!mboxq) { | |
17707 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17708 | "2009 Failed to allocate mbox for ADD_FCF cmd\n"); | |
17709 | return -ENOMEM; | |
17710 | } | |
17711 | ||
17712 | req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) + | |
17713 | sizeof(uint32_t); | |
17714 | ||
17715 | /* Allocate DMA memory and set up the non-embedded mailbox command */ | |
17716 | alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE, | |
17717 | LPFC_MBOX_OPCODE_FCOE_ADD_FCF, | |
17718 | req_len, LPFC_SLI4_MBX_NEMBED); | |
17719 | if (alloc_len < req_len) { | |
17720 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17721 | "2523 Allocated DMA memory size (x%x) is " | |
17722 | "less than the requested DMA memory " | |
17723 | "size (x%x)\n", alloc_len, req_len); | |
17724 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17725 | return -ENOMEM; | |
17726 | } | |
17727 | ||
17728 | /* | |
17729 | * Get the first SGE entry from the non-embedded DMA memory. This | |
17730 | * routine only uses a single SGE. | |
17731 | */ | |
17732 | lpfc_sli4_mbx_sge_get(mboxq, 0, &sge); | |
6fb120a7 JS |
17733 | virt_addr = mboxq->sge_array->addr[0]; |
17734 | /* | |
17735 | * Configure the FCF record for FCFI 0. This is the driver's | |
17736 | * hardcoded default and gets used in nonFIP mode. | |
17737 | */ | |
17738 | fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record); | |
17739 | bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr); | |
17740 | lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t)); | |
17741 | ||
17742 | /* | |
17743 | * Copy the fcf_index and the FCF Record Data. The data starts after | |
17744 | * the FCoE header plus word10. The data copy needs to be endian | |
17745 | * correct. | |
17746 | */ | |
17747 | bytep += sizeof(uint32_t); | |
17748 | lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record)); | |
17749 | mboxq->vport = phba->pport; | |
17750 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record; | |
17751 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
17752 | if (rc == MBX_NOT_FINISHED) { | |
17753 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17754 | "2515 ADD_FCF_RECORD mailbox failed with " | |
17755 | "status 0x%x\n", rc); | |
17756 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17757 | rc = -EIO; | |
17758 | } else | |
17759 | rc = 0; | |
17760 | ||
17761 | return rc; | |
17762 | } | |
17763 | ||
17764 | /** | |
17765 | * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record. | |
17766 | * @phba: pointer to lpfc hba data structure. | |
17767 | * @fcf_record: pointer to the fcf record to write the default data. | |
17768 | * @fcf_index: FCF table entry index. | |
17769 | * | |
17770 | * This routine is invoked to build the driver's default FCF record. The | |
17771 | * values used are hardcoded. This routine handles memory initialization. | |
17772 | * | |
17773 | **/ | |
17774 | void | |
17775 | lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba, | |
17776 | struct fcf_record *fcf_record, | |
17777 | uint16_t fcf_index) | |
17778 | { | |
17779 | memset(fcf_record, 0, sizeof(struct fcf_record)); | |
17780 | fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE; | |
17781 | fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER; | |
17782 | fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY; | |
17783 | bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]); | |
17784 | bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]); | |
17785 | bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]); | |
17786 | bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3); | |
17787 | bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4); | |
17788 | bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5); | |
17789 | bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]); | |
17790 | bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]); | |
17791 | bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]); | |
17792 | bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1); | |
0c287589 | 17793 | bf_set(lpfc_fcf_record_fcf_avail, fcf_record, 1); |
6fb120a7 JS |
17794 | bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index); |
17795 | bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record, | |
17796 | LPFC_FCF_FPMA | LPFC_FCF_SPMA); | |
17797 | /* Set the VLAN bit map */ | |
17798 | if (phba->valid_vlan) { | |
17799 | fcf_record->vlan_bitmap[phba->vlan_id / 8] | |
17800 | = 1 << (phba->vlan_id % 8); | |
17801 | } | |
17802 | } | |
17803 | ||
17804 | /** | |
0c9ab6f5 | 17805 | * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan. |
6fb120a7 JS |
17806 | * @phba: pointer to lpfc hba data structure. |
17807 | * @fcf_index: FCF table entry offset. | |
17808 | * | |
0c9ab6f5 JS |
17809 | * This routine is invoked to scan the entire FCF table by reading FCF |
17810 | * record and processing it one at a time starting from the @fcf_index | |
17811 | * for initial FCF discovery or fast FCF failover rediscovery. | |
17812 | * | |
25985edc | 17813 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 | 17814 | * otherwise. |
6fb120a7 JS |
17815 | **/ |
17816 | int | |
0c9ab6f5 | 17817 | lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) |
6fb120a7 JS |
17818 | { |
17819 | int rc = 0, error; | |
17820 | LPFC_MBOXQ_t *mboxq; | |
6fb120a7 | 17821 | |
32b9793f | 17822 | phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag; |
80c17849 | 17823 | phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag; |
6fb120a7 JS |
17824 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
17825 | if (!mboxq) { | |
17826 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
17827 | "2000 Failed to allocate mbox for " | |
17828 | "READ_FCF cmd\n"); | |
4d9ab994 | 17829 | error = -ENOMEM; |
0c9ab6f5 | 17830 | goto fail_fcf_scan; |
6fb120a7 | 17831 | } |
ecfd03c6 | 17832 | /* Construct the read FCF record mailbox command */ |
0c9ab6f5 | 17833 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); |
ecfd03c6 JS |
17834 | if (rc) { |
17835 | error = -EINVAL; | |
0c9ab6f5 | 17836 | goto fail_fcf_scan; |
6fb120a7 | 17837 | } |
ecfd03c6 | 17838 | /* Issue the mailbox command asynchronously */ |
6fb120a7 | 17839 | mboxq->vport = phba->pport; |
0c9ab6f5 | 17840 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec; |
a93ff37a JS |
17841 | |
17842 | spin_lock_irq(&phba->hbalock); | |
17843 | phba->hba_flag |= FCF_TS_INPROG; | |
17844 | spin_unlock_irq(&phba->hbalock); | |
17845 | ||
6fb120a7 | 17846 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); |
ecfd03c6 | 17847 | if (rc == MBX_NOT_FINISHED) |
6fb120a7 | 17848 | error = -EIO; |
ecfd03c6 | 17849 | else { |
38b92ef8 JS |
17850 | /* Reset eligible FCF count for new scan */ |
17851 | if (fcf_index == LPFC_FCOE_FCF_GET_FIRST) | |
999d813f | 17852 | phba->fcf.eligible_fcf_cnt = 0; |
6fb120a7 | 17853 | error = 0; |
32b9793f | 17854 | } |
0c9ab6f5 | 17855 | fail_fcf_scan: |
4d9ab994 JS |
17856 | if (error) { |
17857 | if (mboxq) | |
17858 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
a93ff37a | 17859 | /* FCF scan failed, clear FCF_TS_INPROG flag */ |
4d9ab994 | 17860 | spin_lock_irq(&phba->hbalock); |
a93ff37a | 17861 | phba->hba_flag &= ~FCF_TS_INPROG; |
4d9ab994 JS |
17862 | spin_unlock_irq(&phba->hbalock); |
17863 | } | |
6fb120a7 JS |
17864 | return error; |
17865 | } | |
a0c87cbd | 17866 | |
0c9ab6f5 | 17867 | /** |
a93ff37a | 17868 | * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf. |
0c9ab6f5 JS |
17869 | * @phba: pointer to lpfc hba data structure. |
17870 | * @fcf_index: FCF table entry offset. | |
17871 | * | |
17872 | * This routine is invoked to read an FCF record indicated by @fcf_index | |
a93ff37a | 17873 | * and to use it for FLOGI roundrobin FCF failover. |
0c9ab6f5 | 17874 | * |
25985edc | 17875 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
17876 | * otherwise. |
17877 | **/ | |
17878 | int | |
17879 | lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
17880 | { | |
17881 | int rc = 0, error; | |
17882 | LPFC_MBOXQ_t *mboxq; | |
17883 | ||
17884 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17885 | if (!mboxq) { | |
17886 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
17887 | "2763 Failed to allocate mbox for " | |
17888 | "READ_FCF cmd\n"); | |
17889 | error = -ENOMEM; | |
17890 | goto fail_fcf_read; | |
17891 | } | |
17892 | /* Construct the read FCF record mailbox command */ | |
17893 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
17894 | if (rc) { | |
17895 | error = -EINVAL; | |
17896 | goto fail_fcf_read; | |
17897 | } | |
17898 | /* Issue the mailbox command asynchronously */ | |
17899 | mboxq->vport = phba->pport; | |
17900 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec; | |
17901 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
17902 | if (rc == MBX_NOT_FINISHED) | |
17903 | error = -EIO; | |
17904 | else | |
17905 | error = 0; | |
17906 | ||
17907 | fail_fcf_read: | |
17908 | if (error && mboxq) | |
17909 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17910 | return error; | |
17911 | } | |
17912 | ||
17913 | /** | |
17914 | * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask. | |
17915 | * @phba: pointer to lpfc hba data structure. | |
17916 | * @fcf_index: FCF table entry offset. | |
17917 | * | |
17918 | * This routine is invoked to read an FCF record indicated by @fcf_index to | |
a93ff37a | 17919 | * determine whether it's eligible for FLOGI roundrobin failover list. |
0c9ab6f5 | 17920 | * |
25985edc | 17921 | * Return 0 if the mailbox command is submitted successfully, none 0 |
0c9ab6f5 JS |
17922 | * otherwise. |
17923 | **/ | |
17924 | int | |
17925 | lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) | |
17926 | { | |
17927 | int rc = 0, error; | |
17928 | LPFC_MBOXQ_t *mboxq; | |
17929 | ||
17930 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
17931 | if (!mboxq) { | |
17932 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT, | |
17933 | "2758 Failed to allocate mbox for " | |
17934 | "READ_FCF cmd\n"); | |
17935 | error = -ENOMEM; | |
17936 | goto fail_fcf_read; | |
17937 | } | |
17938 | /* Construct the read FCF record mailbox command */ | |
17939 | rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index); | |
17940 | if (rc) { | |
17941 | error = -EINVAL; | |
17942 | goto fail_fcf_read; | |
17943 | } | |
17944 | /* Issue the mailbox command asynchronously */ | |
17945 | mboxq->vport = phba->pport; | |
17946 | mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec; | |
17947 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); | |
17948 | if (rc == MBX_NOT_FINISHED) | |
17949 | error = -EIO; | |
17950 | else | |
17951 | error = 0; | |
17952 | ||
17953 | fail_fcf_read: | |
17954 | if (error && mboxq) | |
17955 | lpfc_sli4_mbox_cmd_free(phba, mboxq); | |
17956 | return error; | |
17957 | } | |
17958 | ||
7d791df7 | 17959 | /** |
f5cb5304 | 17960 | * lpfc_check_next_fcf_pri_level |
7d791df7 JS |
17961 | * phba pointer to the lpfc_hba struct for this port. |
17962 | * This routine is called from the lpfc_sli4_fcf_rr_next_index_get | |
17963 | * routine when the rr_bmask is empty. The FCF indecies are put into the | |
17964 | * rr_bmask based on their priority level. Starting from the highest priority | |
17965 | * to the lowest. The most likely FCF candidate will be in the highest | |
17966 | * priority group. When this routine is called it searches the fcf_pri list for | |
17967 | * next lowest priority group and repopulates the rr_bmask with only those | |
17968 | * fcf_indexes. | |
17969 | * returns: | |
17970 | * 1=success 0=failure | |
17971 | **/ | |
5d8b8167 | 17972 | static int |
7d791df7 JS |
17973 | lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba) |
17974 | { | |
17975 | uint16_t next_fcf_pri; | |
17976 | uint16_t last_index; | |
17977 | struct lpfc_fcf_pri *fcf_pri; | |
17978 | int rc; | |
17979 | int ret = 0; | |
17980 | ||
17981 | last_index = find_first_bit(phba->fcf.fcf_rr_bmask, | |
17982 | LPFC_SLI4_FCF_TBL_INDX_MAX); | |
17983 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
17984 | "3060 Last IDX %d\n", last_index); | |
2562669c JS |
17985 | |
17986 | /* Verify the priority list has 2 or more entries */ | |
17987 | spin_lock_irq(&phba->hbalock); | |
17988 | if (list_empty(&phba->fcf.fcf_pri_list) || | |
17989 | list_is_singular(&phba->fcf.fcf_pri_list)) { | |
17990 | spin_unlock_irq(&phba->hbalock); | |
7d791df7 JS |
17991 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
17992 | "3061 Last IDX %d\n", last_index); | |
17993 | return 0; /* Empty rr list */ | |
17994 | } | |
2562669c JS |
17995 | spin_unlock_irq(&phba->hbalock); |
17996 | ||
7d791df7 JS |
17997 | next_fcf_pri = 0; |
17998 | /* | |
17999 | * Clear the rr_bmask and set all of the bits that are at this | |
18000 | * priority. | |
18001 | */ | |
18002 | memset(phba->fcf.fcf_rr_bmask, 0, | |
18003 | sizeof(*phba->fcf.fcf_rr_bmask)); | |
18004 | spin_lock_irq(&phba->hbalock); | |
18005 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
18006 | if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED) | |
18007 | continue; | |
18008 | /* | |
18009 | * the 1st priority that has not FLOGI failed | |
18010 | * will be the highest. | |
18011 | */ | |
18012 | if (!next_fcf_pri) | |
18013 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
18014 | spin_unlock_irq(&phba->hbalock); | |
18015 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
18016 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
18017 | fcf_pri->fcf_rec.fcf_index); | |
18018 | if (rc) | |
18019 | return 0; | |
18020 | } | |
18021 | spin_lock_irq(&phba->hbalock); | |
18022 | } | |
18023 | /* | |
18024 | * if next_fcf_pri was not set above and the list is not empty then | |
18025 | * we have failed flogis on all of them. So reset flogi failed | |
4907cb7b | 18026 | * and start at the beginning. |
7d791df7 JS |
18027 | */ |
18028 | if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) { | |
18029 | list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) { | |
18030 | fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED; | |
18031 | /* | |
18032 | * the 1st priority that has not FLOGI failed | |
18033 | * will be the highest. | |
18034 | */ | |
18035 | if (!next_fcf_pri) | |
18036 | next_fcf_pri = fcf_pri->fcf_rec.priority; | |
18037 | spin_unlock_irq(&phba->hbalock); | |
18038 | if (fcf_pri->fcf_rec.priority == next_fcf_pri) { | |
18039 | rc = lpfc_sli4_fcf_rr_index_set(phba, | |
18040 | fcf_pri->fcf_rec.fcf_index); | |
18041 | if (rc) | |
18042 | return 0; | |
18043 | } | |
18044 | spin_lock_irq(&phba->hbalock); | |
18045 | } | |
18046 | } else | |
18047 | ret = 1; | |
18048 | spin_unlock_irq(&phba->hbalock); | |
18049 | ||
18050 | return ret; | |
18051 | } | |
0c9ab6f5 JS |
18052 | /** |
18053 | * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index | |
18054 | * @phba: pointer to lpfc hba data structure. | |
18055 | * | |
18056 | * This routine is to get the next eligible FCF record index in a round | |
18057 | * robin fashion. If the next eligible FCF record index equals to the | |
a93ff37a | 18058 | * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF) |
0c9ab6f5 JS |
18059 | * shall be returned, otherwise, the next eligible FCF record's index |
18060 | * shall be returned. | |
18061 | **/ | |
18062 | uint16_t | |
18063 | lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba) | |
18064 | { | |
18065 | uint16_t next_fcf_index; | |
18066 | ||
421c6622 | 18067 | initial_priority: |
3804dc84 | 18068 | /* Search start from next bit of currently registered FCF index */ |
421c6622 JS |
18069 | next_fcf_index = phba->fcf.current_rec.fcf_indx; |
18070 | ||
7d791df7 | 18071 | next_priority: |
421c6622 JS |
18072 | /* Determine the next fcf index to check */ |
18073 | next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX; | |
0c9ab6f5 JS |
18074 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
18075 | LPFC_SLI4_FCF_TBL_INDX_MAX, | |
3804dc84 JS |
18076 | next_fcf_index); |
18077 | ||
0c9ab6f5 | 18078 | /* Wrap around condition on phba->fcf.fcf_rr_bmask */ |
7d791df7 JS |
18079 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
18080 | /* | |
18081 | * If we have wrapped then we need to clear the bits that | |
18082 | * have been tested so that we can detect when we should | |
18083 | * change the priority level. | |
18084 | */ | |
0c9ab6f5 JS |
18085 | next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask, |
18086 | LPFC_SLI4_FCF_TBL_INDX_MAX, 0); | |
7d791df7 JS |
18087 | } |
18088 | ||
3804dc84 JS |
18089 | |
18090 | /* Check roundrobin failover list empty condition */ | |
7d791df7 JS |
18091 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX || |
18092 | next_fcf_index == phba->fcf.current_rec.fcf_indx) { | |
18093 | /* | |
18094 | * If next fcf index is not found check if there are lower | |
18095 | * Priority level fcf's in the fcf_priority list. | |
18096 | * Set up the rr_bmask with all of the avaiable fcf bits | |
18097 | * at that level and continue the selection process. | |
18098 | */ | |
18099 | if (lpfc_check_next_fcf_pri_level(phba)) | |
421c6622 | 18100 | goto initial_priority; |
3804dc84 JS |
18101 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, |
18102 | "2844 No roundrobin failover FCF available\n"); | |
7d791df7 JS |
18103 | if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) |
18104 | return LPFC_FCOE_FCF_NEXT_NONE; | |
18105 | else { | |
18106 | lpfc_printf_log(phba, KERN_WARNING, LOG_FIP, | |
18107 | "3063 Only FCF available idx %d, flag %x\n", | |
18108 | next_fcf_index, | |
18109 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag); | |
18110 | return next_fcf_index; | |
18111 | } | |
3804dc84 JS |
18112 | } |
18113 | ||
7d791df7 JS |
18114 | if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX && |
18115 | phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag & | |
f5cb5304 JS |
18116 | LPFC_FCF_FLOGI_FAILED) { |
18117 | if (list_is_singular(&phba->fcf.fcf_pri_list)) | |
18118 | return LPFC_FCOE_FCF_NEXT_NONE; | |
18119 | ||
7d791df7 | 18120 | goto next_priority; |
f5cb5304 | 18121 | } |
7d791df7 | 18122 | |
3804dc84 | 18123 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a JS |
18124 | "2845 Get next roundrobin failover FCF (x%x)\n", |
18125 | next_fcf_index); | |
18126 | ||
0c9ab6f5 JS |
18127 | return next_fcf_index; |
18128 | } | |
18129 | ||
18130 | /** | |
18131 | * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index | |
18132 | * @phba: pointer to lpfc hba data structure. | |
18133 | * | |
18134 | * This routine sets the FCF record index in to the eligible bmask for | |
a93ff37a | 18135 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
18136 | * does not go beyond the range of the driver allocated bmask dimension |
18137 | * before setting the bit. | |
18138 | * | |
18139 | * Returns 0 if the index bit successfully set, otherwise, it returns | |
18140 | * -EINVAL. | |
18141 | **/ | |
18142 | int | |
18143 | lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index) | |
18144 | { | |
18145 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { | |
18146 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
18147 | "2610 FCF (x%x) reached driver's book " |
18148 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
18149 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
18150 | return -EINVAL; | |
18151 | } | |
18152 | /* Set the eligible FCF record index bmask */ | |
18153 | set_bit(fcf_index, phba->fcf.fcf_rr_bmask); | |
18154 | ||
3804dc84 | 18155 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, |
a93ff37a | 18156 | "2790 Set FCF (x%x) to roundrobin FCF failover " |
3804dc84 JS |
18157 | "bmask\n", fcf_index); |
18158 | ||
0c9ab6f5 JS |
18159 | return 0; |
18160 | } | |
18161 | ||
18162 | /** | |
3804dc84 | 18163 | * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index |
0c9ab6f5 JS |
18164 | * @phba: pointer to lpfc hba data structure. |
18165 | * | |
18166 | * This routine clears the FCF record index from the eligible bmask for | |
a93ff37a | 18167 | * roundrobin failover search. It checks to make sure that the index |
0c9ab6f5 JS |
18168 | * does not go beyond the range of the driver allocated bmask dimension |
18169 | * before clearing the bit. | |
18170 | **/ | |
18171 | void | |
18172 | lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index) | |
18173 | { | |
9a803a74 | 18174 | struct lpfc_fcf_pri *fcf_pri, *fcf_pri_next; |
0c9ab6f5 JS |
18175 | if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) { |
18176 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, | |
a93ff37a JS |
18177 | "2762 FCF (x%x) reached driver's book " |
18178 | "keeping dimension:x%x\n", | |
0c9ab6f5 JS |
18179 | fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX); |
18180 | return; | |
18181 | } | |
18182 | /* Clear the eligible FCF record index bmask */ | |
7d791df7 | 18183 | spin_lock_irq(&phba->hbalock); |
9a803a74 JS |
18184 | list_for_each_entry_safe(fcf_pri, fcf_pri_next, &phba->fcf.fcf_pri_list, |
18185 | list) { | |
7d791df7 JS |
18186 | if (fcf_pri->fcf_rec.fcf_index == fcf_index) { |
18187 | list_del_init(&fcf_pri->list); | |
18188 | break; | |
18189 | } | |
18190 | } | |
18191 | spin_unlock_irq(&phba->hbalock); | |
0c9ab6f5 | 18192 | clear_bit(fcf_index, phba->fcf.fcf_rr_bmask); |
3804dc84 JS |
18193 | |
18194 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 18195 | "2791 Clear FCF (x%x) from roundrobin failover " |
3804dc84 | 18196 | "bmask\n", fcf_index); |
0c9ab6f5 JS |
18197 | } |
18198 | ||
ecfd03c6 JS |
18199 | /** |
18200 | * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table | |
18201 | * @phba: pointer to lpfc hba data structure. | |
18202 | * | |
18203 | * This routine is the completion routine for the rediscover FCF table mailbox | |
18204 | * command. If the mailbox command returned failure, it will try to stop the | |
18205 | * FCF rediscover wait timer. | |
18206 | **/ | |
5d8b8167 | 18207 | static void |
ecfd03c6 JS |
18208 | lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) |
18209 | { | |
18210 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
18211 | uint32_t shdr_status, shdr_add_status; | |
18212 | ||
18213 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
18214 | ||
18215 | shdr_status = bf_get(lpfc_mbox_hdr_status, | |
18216 | &redisc_fcf->header.cfg_shdr.response); | |
18217 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, | |
18218 | &redisc_fcf->header.cfg_shdr.response); | |
18219 | if (shdr_status || shdr_add_status) { | |
0c9ab6f5 | 18220 | lpfc_printf_log(phba, KERN_ERR, LOG_FIP, |
ecfd03c6 JS |
18221 | "2746 Requesting for FCF rediscovery failed " |
18222 | "status x%x add_status x%x\n", | |
18223 | shdr_status, shdr_add_status); | |
0c9ab6f5 | 18224 | if (phba->fcf.fcf_flag & FCF_ACVL_DISC) { |
fc2b989b | 18225 | spin_lock_irq(&phba->hbalock); |
0c9ab6f5 | 18226 | phba->fcf.fcf_flag &= ~FCF_ACVL_DISC; |
fc2b989b JS |
18227 | spin_unlock_irq(&phba->hbalock); |
18228 | /* | |
18229 | * CVL event triggered FCF rediscover request failed, | |
18230 | * last resort to re-try current registered FCF entry. | |
18231 | */ | |
18232 | lpfc_retry_pport_discovery(phba); | |
18233 | } else { | |
18234 | spin_lock_irq(&phba->hbalock); | |
0c9ab6f5 | 18235 | phba->fcf.fcf_flag &= ~FCF_DEAD_DISC; |
fc2b989b JS |
18236 | spin_unlock_irq(&phba->hbalock); |
18237 | /* | |
18238 | * DEAD FCF event triggered FCF rediscover request | |
18239 | * failed, last resort to fail over as a link down | |
18240 | * to FCF registration. | |
18241 | */ | |
18242 | lpfc_sli4_fcf_dead_failthrough(phba); | |
18243 | } | |
0c9ab6f5 JS |
18244 | } else { |
18245 | lpfc_printf_log(phba, KERN_INFO, LOG_FIP, | |
a93ff37a | 18246 | "2775 Start FCF rediscover quiescent timer\n"); |
ecfd03c6 JS |
18247 | /* |
18248 | * Start FCF rediscovery wait timer for pending FCF | |
18249 | * before rescan FCF record table. | |
18250 | */ | |
18251 | lpfc_fcf_redisc_wait_start_timer(phba); | |
0c9ab6f5 | 18252 | } |
ecfd03c6 JS |
18253 | |
18254 | mempool_free(mbox, phba->mbox_mem_pool); | |
18255 | } | |
18256 | ||
18257 | /** | |
3804dc84 | 18258 | * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port. |
ecfd03c6 JS |
18259 | * @phba: pointer to lpfc hba data structure. |
18260 | * | |
18261 | * This routine is invoked to request for rediscovery of the entire FCF table | |
18262 | * by the port. | |
18263 | **/ | |
18264 | int | |
18265 | lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba) | |
18266 | { | |
18267 | LPFC_MBOXQ_t *mbox; | |
18268 | struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf; | |
18269 | int rc, length; | |
18270 | ||
0c9ab6f5 JS |
18271 | /* Cancel retry delay timers to all vports before FCF rediscover */ |
18272 | lpfc_cancel_all_vport_retry_delay_timer(phba); | |
18273 | ||
ecfd03c6 JS |
18274 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18275 | if (!mbox) { | |
18276 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18277 | "2745 Failed to allocate mbox for " | |
18278 | "requesting FCF rediscover.\n"); | |
18279 | return -ENOMEM; | |
18280 | } | |
18281 | ||
18282 | length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) - | |
18283 | sizeof(struct lpfc_sli4_cfg_mhdr)); | |
18284 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, | |
18285 | LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF, | |
18286 | length, LPFC_SLI4_MBX_EMBED); | |
18287 | ||
18288 | redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl; | |
18289 | /* Set count to 0 for invalidating the entire FCF database */ | |
18290 | bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0); | |
18291 | ||
18292 | /* Issue the mailbox command asynchronously */ | |
18293 | mbox->vport = phba->pport; | |
18294 | mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table; | |
18295 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); | |
18296 | ||
18297 | if (rc == MBX_NOT_FINISHED) { | |
18298 | mempool_free(mbox, phba->mbox_mem_pool); | |
18299 | return -EIO; | |
18300 | } | |
18301 | return 0; | |
18302 | } | |
18303 | ||
fc2b989b JS |
18304 | /** |
18305 | * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event | |
18306 | * @phba: pointer to lpfc hba data structure. | |
18307 | * | |
18308 | * This function is the failover routine as a last resort to the FCF DEAD | |
18309 | * event when driver failed to perform fast FCF failover. | |
18310 | **/ | |
18311 | void | |
18312 | lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba) | |
18313 | { | |
18314 | uint32_t link_state; | |
18315 | ||
18316 | /* | |
18317 | * Last resort as FCF DEAD event failover will treat this as | |
18318 | * a link down, but save the link state because we don't want | |
18319 | * it to be changed to Link Down unless it is already down. | |
18320 | */ | |
18321 | link_state = phba->link_state; | |
18322 | lpfc_linkdown(phba); | |
18323 | phba->link_state = link_state; | |
18324 | ||
18325 | /* Unregister FCF if no devices connected to it */ | |
18326 | lpfc_unregister_unused_fcf(phba); | |
18327 | } | |
18328 | ||
a0c87cbd | 18329 | /** |
026abb87 | 18330 | * lpfc_sli_get_config_region23 - Get sli3 port region 23 data. |
a0c87cbd | 18331 | * @phba: pointer to lpfc hba data structure. |
026abb87 | 18332 | * @rgn23_data: pointer to configure region 23 data. |
a0c87cbd | 18333 | * |
026abb87 JS |
18334 | * This function gets SLI3 port configure region 23 data through memory dump |
18335 | * mailbox command. When it successfully retrieves data, the size of the data | |
18336 | * will be returned, otherwise, 0 will be returned. | |
a0c87cbd | 18337 | **/ |
026abb87 JS |
18338 | static uint32_t |
18339 | lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
a0c87cbd JS |
18340 | { |
18341 | LPFC_MBOXQ_t *pmb = NULL; | |
18342 | MAILBOX_t *mb; | |
026abb87 | 18343 | uint32_t offset = 0; |
a0c87cbd JS |
18344 | int rc; |
18345 | ||
026abb87 JS |
18346 | if (!rgn23_data) |
18347 | return 0; | |
18348 | ||
a0c87cbd JS |
18349 | pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); |
18350 | if (!pmb) { | |
18351 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
026abb87 JS |
18352 | "2600 failed to allocate mailbox memory\n"); |
18353 | return 0; | |
a0c87cbd JS |
18354 | } |
18355 | mb = &pmb->u.mb; | |
18356 | ||
a0c87cbd JS |
18357 | do { |
18358 | lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23); | |
18359 | rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL); | |
18360 | ||
18361 | if (rc != MBX_SUCCESS) { | |
18362 | lpfc_printf_log(phba, KERN_INFO, LOG_INIT, | |
026abb87 JS |
18363 | "2601 failed to read config " |
18364 | "region 23, rc 0x%x Status 0x%x\n", | |
18365 | rc, mb->mbxStatus); | |
a0c87cbd JS |
18366 | mb->un.varDmp.word_cnt = 0; |
18367 | } | |
18368 | /* | |
18369 | * dump mem may return a zero when finished or we got a | |
18370 | * mailbox error, either way we are done. | |
18371 | */ | |
18372 | if (mb->un.varDmp.word_cnt == 0) | |
18373 | break; | |
18374 | if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset) | |
18375 | mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset; | |
18376 | ||
18377 | lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET, | |
026abb87 JS |
18378 | rgn23_data + offset, |
18379 | mb->un.varDmp.word_cnt); | |
a0c87cbd JS |
18380 | offset += mb->un.varDmp.word_cnt; |
18381 | } while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE); | |
18382 | ||
026abb87 JS |
18383 | mempool_free(pmb, phba->mbox_mem_pool); |
18384 | return offset; | |
18385 | } | |
18386 | ||
18387 | /** | |
18388 | * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data. | |
18389 | * @phba: pointer to lpfc hba data structure. | |
18390 | * @rgn23_data: pointer to configure region 23 data. | |
18391 | * | |
18392 | * This function gets SLI4 port configure region 23 data through memory dump | |
18393 | * mailbox command. When it successfully retrieves data, the size of the data | |
18394 | * will be returned, otherwise, 0 will be returned. | |
18395 | **/ | |
18396 | static uint32_t | |
18397 | lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data) | |
18398 | { | |
18399 | LPFC_MBOXQ_t *mboxq = NULL; | |
18400 | struct lpfc_dmabuf *mp = NULL; | |
18401 | struct lpfc_mqe *mqe; | |
18402 | uint32_t data_length = 0; | |
18403 | int rc; | |
18404 | ||
18405 | if (!rgn23_data) | |
18406 | return 0; | |
18407 | ||
18408 | mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18409 | if (!mboxq) { | |
18410 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18411 | "3105 failed to allocate mailbox memory\n"); | |
18412 | return 0; | |
18413 | } | |
18414 | ||
18415 | if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) | |
18416 | goto out; | |
18417 | mqe = &mboxq->u.mqe; | |
18418 | mp = (struct lpfc_dmabuf *) mboxq->context1; | |
18419 | rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); | |
18420 | if (rc) | |
18421 | goto out; | |
18422 | data_length = mqe->un.mb_words[5]; | |
18423 | if (data_length == 0) | |
18424 | goto out; | |
18425 | if (data_length > DMP_RGN23_SIZE) { | |
18426 | data_length = 0; | |
18427 | goto out; | |
18428 | } | |
18429 | lpfc_sli_pcimem_bcopy((char *)mp->virt, rgn23_data, data_length); | |
18430 | out: | |
18431 | mempool_free(mboxq, phba->mbox_mem_pool); | |
18432 | if (mp) { | |
18433 | lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
18434 | kfree(mp); | |
18435 | } | |
18436 | return data_length; | |
18437 | } | |
18438 | ||
18439 | /** | |
18440 | * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled. | |
18441 | * @phba: pointer to lpfc hba data structure. | |
18442 | * | |
18443 | * This function read region 23 and parse TLV for port status to | |
18444 | * decide if the user disaled the port. If the TLV indicates the | |
18445 | * port is disabled, the hba_flag is set accordingly. | |
18446 | **/ | |
18447 | void | |
18448 | lpfc_sli_read_link_ste(struct lpfc_hba *phba) | |
18449 | { | |
18450 | uint8_t *rgn23_data = NULL; | |
18451 | uint32_t if_type, data_size, sub_tlv_len, tlv_offset; | |
18452 | uint32_t offset = 0; | |
18453 | ||
18454 | /* Get adapter Region 23 data */ | |
18455 | rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL); | |
18456 | if (!rgn23_data) | |
18457 | goto out; | |
18458 | ||
18459 | if (phba->sli_rev < LPFC_SLI_REV4) | |
18460 | data_size = lpfc_sli_get_config_region23(phba, rgn23_data); | |
18461 | else { | |
18462 | if_type = bf_get(lpfc_sli_intf_if_type, | |
18463 | &phba->sli4_hba.sli_intf); | |
18464 | if (if_type == LPFC_SLI_INTF_IF_TYPE_0) | |
18465 | goto out; | |
18466 | data_size = lpfc_sli4_get_config_region23(phba, rgn23_data); | |
18467 | } | |
a0c87cbd JS |
18468 | |
18469 | if (!data_size) | |
18470 | goto out; | |
18471 | ||
18472 | /* Check the region signature first */ | |
18473 | if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) { | |
18474 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18475 | "2619 Config region 23 has bad signature\n"); | |
18476 | goto out; | |
18477 | } | |
18478 | offset += 4; | |
18479 | ||
18480 | /* Check the data structure version */ | |
18481 | if (rgn23_data[offset] != LPFC_REGION23_VERSION) { | |
18482 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18483 | "2620 Config region 23 has bad version\n"); | |
18484 | goto out; | |
18485 | } | |
18486 | offset += 4; | |
18487 | ||
18488 | /* Parse TLV entries in the region */ | |
18489 | while (offset < data_size) { | |
18490 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) | |
18491 | break; | |
18492 | /* | |
18493 | * If the TLV is not driver specific TLV or driver id is | |
18494 | * not linux driver id, skip the record. | |
18495 | */ | |
18496 | if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) || | |
18497 | (rgn23_data[offset + 2] != LINUX_DRIVER_ID) || | |
18498 | (rgn23_data[offset + 3] != 0)) { | |
18499 | offset += rgn23_data[offset + 1] * 4 + 4; | |
18500 | continue; | |
18501 | } | |
18502 | ||
18503 | /* Driver found a driver specific TLV in the config region */ | |
18504 | sub_tlv_len = rgn23_data[offset + 1] * 4; | |
18505 | offset += 4; | |
18506 | tlv_offset = 0; | |
18507 | ||
18508 | /* | |
18509 | * Search for configured port state sub-TLV. | |
18510 | */ | |
18511 | while ((offset < data_size) && | |
18512 | (tlv_offset < sub_tlv_len)) { | |
18513 | if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) { | |
18514 | offset += 4; | |
18515 | tlv_offset += 4; | |
18516 | break; | |
18517 | } | |
18518 | if (rgn23_data[offset] != PORT_STE_TYPE) { | |
18519 | offset += rgn23_data[offset + 1] * 4 + 4; | |
18520 | tlv_offset += rgn23_data[offset + 1] * 4 + 4; | |
18521 | continue; | |
18522 | } | |
18523 | ||
18524 | /* This HBA contains PORT_STE configured */ | |
18525 | if (!rgn23_data[offset + 2]) | |
18526 | phba->hba_flag |= LINK_DISABLED; | |
18527 | ||
18528 | goto out; | |
18529 | } | |
18530 | } | |
026abb87 | 18531 | |
a0c87cbd | 18532 | out: |
a0c87cbd JS |
18533 | kfree(rgn23_data); |
18534 | return; | |
18535 | } | |
695a814e | 18536 | |
52d52440 JS |
18537 | /** |
18538 | * lpfc_wr_object - write an object to the firmware | |
18539 | * @phba: HBA structure that indicates port to create a queue on. | |
18540 | * @dmabuf_list: list of dmabufs to write to the port. | |
18541 | * @size: the total byte value of the objects to write to the port. | |
18542 | * @offset: the current offset to be used to start the transfer. | |
18543 | * | |
18544 | * This routine will create a wr_object mailbox command to send to the port. | |
18545 | * the mailbox command will be constructed using the dma buffers described in | |
18546 | * @dmabuf_list to create a list of BDEs. This routine will fill in as many | |
18547 | * BDEs that the imbedded mailbox can support. The @offset variable will be | |
18548 | * used to indicate the starting offset of the transfer and will also return | |
18549 | * the offset after the write object mailbox has completed. @size is used to | |
18550 | * determine the end of the object and whether the eof bit should be set. | |
18551 | * | |
18552 | * Return 0 is successful and offset will contain the the new offset to use | |
18553 | * for the next write. | |
18554 | * Return negative value for error cases. | |
18555 | **/ | |
18556 | int | |
18557 | lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list, | |
18558 | uint32_t size, uint32_t *offset) | |
18559 | { | |
18560 | struct lpfc_mbx_wr_object *wr_object; | |
18561 | LPFC_MBOXQ_t *mbox; | |
18562 | int rc = 0, i = 0; | |
18563 | uint32_t shdr_status, shdr_add_status; | |
18564 | uint32_t mbox_tmo; | |
18565 | union lpfc_sli4_cfg_shdr *shdr; | |
18566 | struct lpfc_dmabuf *dmabuf; | |
18567 | uint32_t written = 0; | |
18568 | ||
18569 | mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); | |
18570 | if (!mbox) | |
18571 | return -ENOMEM; | |
18572 | ||
18573 | lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON, | |
18574 | LPFC_MBOX_OPCODE_WRITE_OBJECT, | |
18575 | sizeof(struct lpfc_mbx_wr_object) - | |
18576 | sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED); | |
18577 | ||
18578 | wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object; | |
18579 | wr_object->u.request.write_offset = *offset; | |
18580 | sprintf((uint8_t *)wr_object->u.request.object_name, "/"); | |
18581 | wr_object->u.request.object_name[0] = | |
18582 | cpu_to_le32(wr_object->u.request.object_name[0]); | |
18583 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0); | |
18584 | list_for_each_entry(dmabuf, dmabuf_list, list) { | |
18585 | if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size) | |
18586 | break; | |
18587 | wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys); | |
18588 | wr_object->u.request.bde[i].addrHigh = | |
18589 | putPaddrHigh(dmabuf->phys); | |
18590 | if (written + SLI4_PAGE_SIZE >= size) { | |
18591 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
18592 | (size - written); | |
18593 | written += (size - written); | |
18594 | bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1); | |
18595 | } else { | |
18596 | wr_object->u.request.bde[i].tus.f.bdeSize = | |
18597 | SLI4_PAGE_SIZE; | |
18598 | written += SLI4_PAGE_SIZE; | |
18599 | } | |
18600 | i++; | |
18601 | } | |
18602 | wr_object->u.request.bde_count = i; | |
18603 | bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written); | |
18604 | if (!phba->sli4_hba.intr_enable) | |
18605 | rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL); | |
18606 | else { | |
a183a15f | 18607 | mbox_tmo = lpfc_mbox_tmo_val(phba, mbox); |
52d52440 JS |
18608 | rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo); |
18609 | } | |
18610 | /* The IOCTL status is embedded in the mailbox subheader. */ | |
18611 | shdr = (union lpfc_sli4_cfg_shdr *) &wr_object->header.cfg_shdr; | |
18612 | shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); | |
18613 | shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); | |
18614 | if (rc != MBX_TIMEOUT) | |
18615 | mempool_free(mbox, phba->mbox_mem_pool); | |
18616 | if (shdr_status || shdr_add_status || rc) { | |
18617 | lpfc_printf_log(phba, KERN_ERR, LOG_INIT, | |
18618 | "3025 Write Object mailbox failed with " | |
18619 | "status x%x add_status x%x, mbx status x%x\n", | |
18620 | shdr_status, shdr_add_status, rc); | |
18621 | rc = -ENXIO; | |
18622 | } else | |
18623 | *offset += wr_object->u.response.actual_write_length; | |
18624 | return rc; | |
18625 | } | |
18626 | ||
695a814e JS |
18627 | /** |
18628 | * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands. | |
18629 | * @vport: pointer to vport data structure. | |
18630 | * | |
18631 | * This function iterate through the mailboxq and clean up all REG_LOGIN | |
18632 | * and REG_VPI mailbox commands associated with the vport. This function | |
18633 | * is called when driver want to restart discovery of the vport due to | |
18634 | * a Clear Virtual Link event. | |
18635 | **/ | |
18636 | void | |
18637 | lpfc_cleanup_pending_mbox(struct lpfc_vport *vport) | |
18638 | { | |
18639 | struct lpfc_hba *phba = vport->phba; | |
18640 | LPFC_MBOXQ_t *mb, *nextmb; | |
18641 | struct lpfc_dmabuf *mp; | |
78730cfe | 18642 | struct lpfc_nodelist *ndlp; |
d439d286 | 18643 | struct lpfc_nodelist *act_mbx_ndlp = NULL; |
589a52d6 | 18644 | struct Scsi_Host *shost = lpfc_shost_from_vport(vport); |
d439d286 | 18645 | LIST_HEAD(mbox_cmd_list); |
63e801ce | 18646 | uint8_t restart_loop; |
695a814e | 18647 | |
d439d286 | 18648 | /* Clean up internally queued mailbox commands with the vport */ |
695a814e JS |
18649 | spin_lock_irq(&phba->hbalock); |
18650 | list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) { | |
18651 | if (mb->vport != vport) | |
18652 | continue; | |
18653 | ||
18654 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
18655 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
18656 | continue; | |
18657 | ||
d439d286 JS |
18658 | list_del(&mb->list); |
18659 | list_add_tail(&mb->list, &mbox_cmd_list); | |
18660 | } | |
18661 | /* Clean up active mailbox command with the vport */ | |
18662 | mb = phba->sli.mbox_active; | |
18663 | if (mb && (mb->vport == vport)) { | |
18664 | if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) || | |
18665 | (mb->u.mb.mbxCommand == MBX_REG_VPI)) | |
18666 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
18667 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
18668 | act_mbx_ndlp = (struct lpfc_nodelist *)mb->context2; | |
18669 | /* Put reference count for delayed processing */ | |
18670 | act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp); | |
18671 | /* Unregister the RPI when mailbox complete */ | |
18672 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
18673 | } | |
18674 | } | |
63e801ce JS |
18675 | /* Cleanup any mailbox completions which are not yet processed */ |
18676 | do { | |
18677 | restart_loop = 0; | |
18678 | list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) { | |
18679 | /* | |
18680 | * If this mailox is already processed or it is | |
18681 | * for another vport ignore it. | |
18682 | */ | |
18683 | if ((mb->vport != vport) || | |
18684 | (mb->mbox_flag & LPFC_MBX_IMED_UNREG)) | |
18685 | continue; | |
18686 | ||
18687 | if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) && | |
18688 | (mb->u.mb.mbxCommand != MBX_REG_VPI)) | |
18689 | continue; | |
18690 | ||
18691 | mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; | |
18692 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { | |
18693 | ndlp = (struct lpfc_nodelist *)mb->context2; | |
18694 | /* Unregister the RPI when mailbox complete */ | |
18695 | mb->mbox_flag |= LPFC_MBX_IMED_UNREG; | |
18696 | restart_loop = 1; | |
18697 | spin_unlock_irq(&phba->hbalock); | |
18698 | spin_lock(shost->host_lock); | |
18699 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
18700 | spin_unlock(shost->host_lock); | |
18701 | spin_lock_irq(&phba->hbalock); | |
18702 | break; | |
18703 | } | |
18704 | } | |
18705 | } while (restart_loop); | |
18706 | ||
d439d286 JS |
18707 | spin_unlock_irq(&phba->hbalock); |
18708 | ||
18709 | /* Release the cleaned-up mailbox commands */ | |
18710 | while (!list_empty(&mbox_cmd_list)) { | |
18711 | list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list); | |
695a814e JS |
18712 | if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) { |
18713 | mp = (struct lpfc_dmabuf *) (mb->context1); | |
18714 | if (mp) { | |
18715 | __lpfc_mbuf_free(phba, mp->virt, mp->phys); | |
18716 | kfree(mp); | |
18717 | } | |
78730cfe | 18718 | ndlp = (struct lpfc_nodelist *) mb->context2; |
d439d286 | 18719 | mb->context2 = NULL; |
78730cfe | 18720 | if (ndlp) { |
ec21b3b0 | 18721 | spin_lock(shost->host_lock); |
589a52d6 | 18722 | ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; |
ec21b3b0 | 18723 | spin_unlock(shost->host_lock); |
78730cfe | 18724 | lpfc_nlp_put(ndlp); |
78730cfe | 18725 | } |
695a814e | 18726 | } |
695a814e JS |
18727 | mempool_free(mb, phba->mbox_mem_pool); |
18728 | } | |
d439d286 JS |
18729 | |
18730 | /* Release the ndlp with the cleaned-up active mailbox command */ | |
18731 | if (act_mbx_ndlp) { | |
18732 | spin_lock(shost->host_lock); | |
18733 | act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL; | |
18734 | spin_unlock(shost->host_lock); | |
18735 | lpfc_nlp_put(act_mbx_ndlp); | |
695a814e | 18736 | } |
695a814e JS |
18737 | } |
18738 | ||
2a9bf3d0 JS |
18739 | /** |
18740 | * lpfc_drain_txq - Drain the txq | |
18741 | * @phba: Pointer to HBA context object. | |
18742 | * | |
18743 | * This function attempt to submit IOCBs on the txq | |
18744 | * to the adapter. For SLI4 adapters, the txq contains | |
18745 | * ELS IOCBs that have been deferred because the there | |
18746 | * are no SGLs. This congestion can occur with large | |
18747 | * vport counts during node discovery. | |
18748 | **/ | |
18749 | ||
18750 | uint32_t | |
18751 | lpfc_drain_txq(struct lpfc_hba *phba) | |
18752 | { | |
18753 | LIST_HEAD(completions); | |
895427bd | 18754 | struct lpfc_sli_ring *pring; |
2e706377 | 18755 | struct lpfc_iocbq *piocbq = NULL; |
2a9bf3d0 JS |
18756 | unsigned long iflags = 0; |
18757 | char *fail_msg = NULL; | |
18758 | struct lpfc_sglq *sglq; | |
2f07784f JS |
18759 | union lpfc_wqe128 wqe128; |
18760 | union lpfc_wqe *wqe = (union lpfc_wqe *) &wqe128; | |
a2fc4aef | 18761 | uint32_t txq_cnt = 0; |
2a9bf3d0 | 18762 | |
895427bd | 18763 | pring = lpfc_phba_elsring(phba); |
1234a6d5 DK |
18764 | if (unlikely(!pring)) |
18765 | return 0; | |
895427bd | 18766 | |
398d81c9 | 18767 | spin_lock_irqsave(&pring->ring_lock, iflags); |
0e9bb8d7 JS |
18768 | list_for_each_entry(piocbq, &pring->txq, list) { |
18769 | txq_cnt++; | |
18770 | } | |
18771 | ||
18772 | if (txq_cnt > pring->txq_max) | |
18773 | pring->txq_max = txq_cnt; | |
2a9bf3d0 | 18774 | |
398d81c9 | 18775 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 18776 | |
0e9bb8d7 | 18777 | while (!list_empty(&pring->txq)) { |
398d81c9 | 18778 | spin_lock_irqsave(&pring->ring_lock, iflags); |
2a9bf3d0 | 18779 | |
19ca7609 | 18780 | piocbq = lpfc_sli_ringtx_get(phba, pring); |
a629852a | 18781 | if (!piocbq) { |
398d81c9 | 18782 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
a629852a JS |
18783 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, |
18784 | "2823 txq empty and txq_cnt is %d\n ", | |
0e9bb8d7 | 18785 | txq_cnt); |
a629852a JS |
18786 | break; |
18787 | } | |
895427bd | 18788 | sglq = __lpfc_sli_get_els_sglq(phba, piocbq); |
2a9bf3d0 | 18789 | if (!sglq) { |
19ca7609 | 18790 | __lpfc_sli_ringtx_put(phba, pring, piocbq); |
398d81c9 | 18791 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 | 18792 | break; |
2a9bf3d0 | 18793 | } |
0e9bb8d7 | 18794 | txq_cnt--; |
2a9bf3d0 JS |
18795 | |
18796 | /* The xri and iocb resources secured, | |
18797 | * attempt to issue request | |
18798 | */ | |
6d368e53 | 18799 | piocbq->sli4_lxritag = sglq->sli4_lxritag; |
2a9bf3d0 JS |
18800 | piocbq->sli4_xritag = sglq->sli4_xritag; |
18801 | if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq)) | |
18802 | fail_msg = "to convert bpl to sgl"; | |
2f07784f | 18803 | else if (lpfc_sli4_iocb2wqe(phba, piocbq, wqe)) |
2a9bf3d0 | 18804 | fail_msg = "to convert iocb to wqe"; |
2f07784f | 18805 | else if (lpfc_sli4_wq_put(phba->sli4_hba.els_wq, wqe)) |
2a9bf3d0 JS |
18806 | fail_msg = " - Wq is full"; |
18807 | else | |
18808 | lpfc_sli_ringtxcmpl_put(phba, pring, piocbq); | |
18809 | ||
18810 | if (fail_msg) { | |
18811 | /* Failed means we can't issue and need to cancel */ | |
18812 | lpfc_printf_log(phba, KERN_ERR, LOG_SLI, | |
18813 | "2822 IOCB failed %s iotag 0x%x " | |
18814 | "xri 0x%x\n", | |
18815 | fail_msg, | |
18816 | piocbq->iotag, piocbq->sli4_xritag); | |
18817 | list_add_tail(&piocbq->list, &completions); | |
18818 | } | |
398d81c9 | 18819 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
2a9bf3d0 JS |
18820 | } |
18821 | ||
2a9bf3d0 JS |
18822 | /* Cancel all the IOCBs that cannot be issued */ |
18823 | lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT, | |
18824 | IOERR_SLI_ABORTED); | |
18825 | ||
0e9bb8d7 | 18826 | return txq_cnt; |
2a9bf3d0 | 18827 | } |
895427bd JS |
18828 | |
18829 | /** | |
18830 | * lpfc_wqe_bpl2sgl - Convert the bpl/bde to a sgl. | |
18831 | * @phba: Pointer to HBA context object. | |
18832 | * @pwqe: Pointer to command WQE. | |
18833 | * @sglq: Pointer to the scatter gather queue object. | |
18834 | * | |
18835 | * This routine converts the bpl or bde that is in the WQE | |
18836 | * to a sgl list for the sli4 hardware. The physical address | |
18837 | * of the bpl/bde is converted back to a virtual address. | |
18838 | * If the WQE contains a BPL then the list of BDE's is | |
18839 | * converted to sli4_sge's. If the WQE contains a single | |
18840 | * BDE then it is converted to a single sli_sge. | |
18841 | * The WQE is still in cpu endianness so the contents of | |
18842 | * the bpl can be used without byte swapping. | |
18843 | * | |
18844 | * Returns valid XRI = Success, NO_XRI = Failure. | |
18845 | */ | |
18846 | static uint16_t | |
18847 | lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeq, | |
18848 | struct lpfc_sglq *sglq) | |
18849 | { | |
18850 | uint16_t xritag = NO_XRI; | |
18851 | struct ulp_bde64 *bpl = NULL; | |
18852 | struct ulp_bde64 bde; | |
18853 | struct sli4_sge *sgl = NULL; | |
18854 | struct lpfc_dmabuf *dmabuf; | |
18855 | union lpfc_wqe *wqe; | |
18856 | int numBdes = 0; | |
18857 | int i = 0; | |
18858 | uint32_t offset = 0; /* accumulated offset in the sg request list */ | |
18859 | int inbound = 0; /* number of sg reply entries inbound from firmware */ | |
18860 | uint32_t cmd; | |
18861 | ||
18862 | if (!pwqeq || !sglq) | |
18863 | return xritag; | |
18864 | ||
18865 | sgl = (struct sli4_sge *)sglq->sgl; | |
18866 | wqe = &pwqeq->wqe; | |
18867 | pwqeq->iocb.ulpIoTag = pwqeq->iotag; | |
18868 | ||
18869 | cmd = bf_get(wqe_cmnd, &wqe->generic.wqe_com); | |
18870 | if (cmd == CMD_XMIT_BLS_RSP64_WQE) | |
18871 | return sglq->sli4_xritag; | |
18872 | numBdes = pwqeq->rsvd2; | |
18873 | if (numBdes) { | |
18874 | /* The addrHigh and addrLow fields within the WQE | |
18875 | * have not been byteswapped yet so there is no | |
18876 | * need to swap them back. | |
18877 | */ | |
18878 | if (pwqeq->context3) | |
18879 | dmabuf = (struct lpfc_dmabuf *)pwqeq->context3; | |
18880 | else | |
18881 | return xritag; | |
18882 | ||
18883 | bpl = (struct ulp_bde64 *)dmabuf->virt; | |
18884 | if (!bpl) | |
18885 | return xritag; | |
18886 | ||
18887 | for (i = 0; i < numBdes; i++) { | |
18888 | /* Should already be byte swapped. */ | |
18889 | sgl->addr_hi = bpl->addrHigh; | |
18890 | sgl->addr_lo = bpl->addrLow; | |
18891 | ||
18892 | sgl->word2 = le32_to_cpu(sgl->word2); | |
18893 | if ((i+1) == numBdes) | |
18894 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
18895 | else | |
18896 | bf_set(lpfc_sli4_sge_last, sgl, 0); | |
18897 | /* swap the size field back to the cpu so we | |
18898 | * can assign it to the sgl. | |
18899 | */ | |
18900 | bde.tus.w = le32_to_cpu(bpl->tus.w); | |
18901 | sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize); | |
18902 | /* The offsets in the sgl need to be accumulated | |
18903 | * separately for the request and reply lists. | |
18904 | * The request is always first, the reply follows. | |
18905 | */ | |
18906 | switch (cmd) { | |
18907 | case CMD_GEN_REQUEST64_WQE: | |
18908 | /* add up the reply sg entries */ | |
18909 | if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I) | |
18910 | inbound++; | |
18911 | /* first inbound? reset the offset */ | |
18912 | if (inbound == 1) | |
18913 | offset = 0; | |
18914 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
18915 | bf_set(lpfc_sli4_sge_type, sgl, | |
18916 | LPFC_SGE_TYPE_DATA); | |
18917 | offset += bde.tus.f.bdeSize; | |
18918 | break; | |
18919 | case CMD_FCP_TRSP64_WQE: | |
18920 | bf_set(lpfc_sli4_sge_offset, sgl, 0); | |
18921 | bf_set(lpfc_sli4_sge_type, sgl, | |
18922 | LPFC_SGE_TYPE_DATA); | |
18923 | break; | |
18924 | case CMD_FCP_TSEND64_WQE: | |
18925 | case CMD_FCP_TRECEIVE64_WQE: | |
18926 | bf_set(lpfc_sli4_sge_type, sgl, | |
18927 | bpl->tus.f.bdeFlags); | |
18928 | if (i < 3) | |
18929 | offset = 0; | |
18930 | else | |
18931 | offset += bde.tus.f.bdeSize; | |
18932 | bf_set(lpfc_sli4_sge_offset, sgl, offset); | |
18933 | break; | |
18934 | } | |
18935 | sgl->word2 = cpu_to_le32(sgl->word2); | |
18936 | bpl++; | |
18937 | sgl++; | |
18938 | } | |
18939 | } else if (wqe->gen_req.bde.tus.f.bdeFlags == BUFF_TYPE_BDE_64) { | |
18940 | /* The addrHigh and addrLow fields of the BDE have not | |
18941 | * been byteswapped yet so they need to be swapped | |
18942 | * before putting them in the sgl. | |
18943 | */ | |
18944 | sgl->addr_hi = cpu_to_le32(wqe->gen_req.bde.addrHigh); | |
18945 | sgl->addr_lo = cpu_to_le32(wqe->gen_req.bde.addrLow); | |
18946 | sgl->word2 = le32_to_cpu(sgl->word2); | |
18947 | bf_set(lpfc_sli4_sge_last, sgl, 1); | |
18948 | sgl->word2 = cpu_to_le32(sgl->word2); | |
18949 | sgl->sge_len = cpu_to_le32(wqe->gen_req.bde.tus.f.bdeSize); | |
18950 | } | |
18951 | return sglq->sli4_xritag; | |
18952 | } | |
18953 | ||
18954 | /** | |
18955 | * lpfc_sli4_issue_wqe - Issue an SLI4 Work Queue Entry (WQE) | |
18956 | * @phba: Pointer to HBA context object. | |
18957 | * @ring_number: Base sli ring number | |
18958 | * @pwqe: Pointer to command WQE. | |
18959 | **/ | |
18960 | int | |
18961 | lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number, | |
18962 | struct lpfc_iocbq *pwqe) | |
18963 | { | |
18964 | union lpfc_wqe *wqe = &pwqe->wqe; | |
f358dd0c | 18965 | struct lpfc_nvmet_rcv_ctx *ctxp; |
895427bd JS |
18966 | struct lpfc_queue *wq; |
18967 | struct lpfc_sglq *sglq; | |
18968 | struct lpfc_sli_ring *pring; | |
18969 | unsigned long iflags; | |
cd22d605 | 18970 | uint32_t ret = 0; |
895427bd JS |
18971 | |
18972 | /* NVME_LS and NVME_LS ABTS requests. */ | |
18973 | if (pwqe->iocb_flag & LPFC_IO_NVME_LS) { | |
18974 | pring = phba->sli4_hba.nvmels_wq->pring; | |
18975 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
18976 | sglq = __lpfc_sli_get_els_sglq(phba, pwqe); | |
18977 | if (!sglq) { | |
18978 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18979 | return WQE_BUSY; | |
18980 | } | |
18981 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
18982 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
18983 | if (lpfc_wqe_bpl2sgl(phba, pwqe, sglq) == NO_XRI) { | |
18984 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18985 | return WQE_ERROR; | |
18986 | } | |
18987 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
18988 | pwqe->sli4_xritag); | |
cd22d605 DK |
18989 | ret = lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe); |
18990 | if (ret) { | |
895427bd | 18991 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 18992 | return ret; |
895427bd | 18993 | } |
cd22d605 | 18994 | |
895427bd JS |
18995 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); |
18996 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
18997 | return 0; | |
18998 | } | |
18999 | ||
19000 | /* NVME_FCREQ and NVME_ABTS requests */ | |
19001 | if (pwqe->iocb_flag & LPFC_IO_NVME) { | |
19002 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
19003 | pring = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]->pring; | |
19004 | ||
19005 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
19006 | wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]; | |
19007 | bf_set(wqe_cqid, &wqe->generic.wqe_com, | |
19008 | phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id); | |
cd22d605 DK |
19009 | ret = lpfc_sli4_wq_put(wq, wqe); |
19010 | if (ret) { | |
895427bd | 19011 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19012 | return ret; |
895427bd JS |
19013 | } |
19014 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
19015 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19016 | return 0; | |
19017 | } | |
19018 | ||
f358dd0c JS |
19019 | /* NVMET requests */ |
19020 | if (pwqe->iocb_flag & LPFC_IO_NVMET) { | |
19021 | /* Get the IO distribution (hba_wqidx) for WQ assignment. */ | |
19022 | pring = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]->pring; | |
19023 | ||
19024 | spin_lock_irqsave(&pring->ring_lock, iflags); | |
19025 | ctxp = pwqe->context2; | |
6c621a22 | 19026 | sglq = ctxp->ctxbuf->sglq; |
f358dd0c JS |
19027 | if (pwqe->sli4_xritag == NO_XRI) { |
19028 | pwqe->sli4_lxritag = sglq->sli4_lxritag; | |
19029 | pwqe->sli4_xritag = sglq->sli4_xritag; | |
19030 | } | |
19031 | bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com, | |
19032 | pwqe->sli4_xritag); | |
19033 | wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]; | |
19034 | bf_set(wqe_cqid, &wqe->generic.wqe_com, | |
19035 | phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id); | |
cd22d605 DK |
19036 | ret = lpfc_sli4_wq_put(wq, wqe); |
19037 | if (ret) { | |
f358dd0c | 19038 | spin_unlock_irqrestore(&pring->ring_lock, iflags); |
cd22d605 | 19039 | return ret; |
f358dd0c JS |
19040 | } |
19041 | lpfc_sli_ringtxcmpl_put(phba, pring, pwqe); | |
19042 | spin_unlock_irqrestore(&pring->ring_lock, iflags); | |
19043 | return 0; | |
19044 | } | |
895427bd JS |
19045 | return WQE_ERROR; |
19046 | } |