1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/blkdev.h>
23 #include <linux/pci.h>
24 #include <linux/interrupt.h>
25 #include <linux/delay.h>
26 #include <linux/slab.h>
27 #include <linux/lockdep.h>
29 #include <scsi/scsi.h>
30 #include <scsi/scsi_cmnd.h>
31 #include <scsi/scsi_device.h>
32 #include <scsi/scsi_host.h>
33 #include <scsi/scsi_transport_fc.h>
34 #include <scsi/fc/fc_fs.h>
35 #include <linux/aer.h>
37 #include <linux/nvme-fc-driver.h>
42 #include "lpfc_sli4.h"
44 #include "lpfc_disc.h"
46 #include "lpfc_scsi.h"
47 #include "lpfc_nvme.h"
48 #include "lpfc_nvmet.h"
49 #include "lpfc_crtn.h"
50 #include "lpfc_logmsg.h"
51 #include "lpfc_compat.h"
52 #include "lpfc_debugfs.h"
53 #include "lpfc_vport.h"
54 #include "lpfc_version.h"
56 /* There are only four IOCB completion types. */
57 typedef enum _lpfc_iocb_type
{
65 /* Provide function prototypes local to this module. */
66 static int lpfc_sli_issue_mbox_s4(struct lpfc_hba
*, LPFC_MBOXQ_t
*,
68 static int lpfc_sli4_read_rev(struct lpfc_hba
*, LPFC_MBOXQ_t
*,
69 uint8_t *, uint32_t *);
70 static struct lpfc_iocbq
*lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba
*,
72 static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport
*,
74 static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba
*, struct lpfc_queue
*,
76 static int lpfc_sli4_post_sgl_list(struct lpfc_hba
*, struct list_head
*,
78 static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba
*, struct lpfc_eqe
*,
80 static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba
*phba
);
81 static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba
*phba
);
82 static int lpfc_sli4_abort_nvme_io(struct lpfc_hba
*phba
,
83 struct lpfc_sli_ring
*pring
,
84 struct lpfc_iocbq
*cmdiocb
);
87 lpfc_get_iocb_from_iocbq(struct lpfc_iocbq
*iocbq
)
93 * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue
94 * @q: The Work Queue to operate on.
95 * @wqe: The work Queue Entry to put on the Work queue.
97 * This routine will copy the contents of @wqe to the next available entry on
98 * the @q. This function will then ring the Work Queue Doorbell to signal the
99 * HBA to start processing the Work Queue Entry. This function returns 0 if
100 * successful. If no entries are available on @q then this function will return
102 * The caller is expected to hold the hbalock when calling this routine.
105 lpfc_sli4_wq_put(struct lpfc_queue
*q
, union lpfc_wqe
*wqe
)
107 union lpfc_wqe
*temp_wqe
;
108 struct lpfc_register doorbell
;
112 /* sanity check on queue memory */
115 temp_wqe
= q
->qe
[q
->host_index
].wqe
;
117 /* If the host has not yet processed the next entry then we are done */
118 idx
= ((q
->host_index
+ 1) % q
->entry_count
);
119 if (idx
== q
->hba_index
) {
124 /* set consumption flag every once in a while */
125 if (!((q
->host_index
+ 1) % q
->entry_repost
))
126 bf_set(wqe_wqec
, &wqe
->generic
.wqe_com
, 1);
127 if (q
->phba
->sli3_options
& LPFC_SLI4_PHWQ_ENABLED
)
128 bf_set(wqe_wqid
, &wqe
->generic
.wqe_com
, q
->queue_id
);
129 lpfc_sli_pcimem_bcopy(wqe
, temp_wqe
, q
->entry_size
);
130 /* ensure WQE bcopy flushed before doorbell write */
133 /* Update the host index before invoking device */
134 host_index
= q
->host_index
;
140 if (q
->db_format
== LPFC_DB_LIST_FORMAT
) {
141 bf_set(lpfc_wq_db_list_fm_num_posted
, &doorbell
, 1);
142 bf_set(lpfc_wq_db_list_fm_index
, &doorbell
, host_index
);
143 bf_set(lpfc_wq_db_list_fm_id
, &doorbell
, q
->queue_id
);
144 } else if (q
->db_format
== LPFC_DB_RING_FORMAT
) {
145 bf_set(lpfc_wq_db_ring_fm_num_posted
, &doorbell
, 1);
146 bf_set(lpfc_wq_db_ring_fm_id
, &doorbell
, q
->queue_id
);
150 writel(doorbell
.word0
, q
->db_regaddr
);
156 * lpfc_sli4_wq_release - Updates internal hba index for WQ
157 * @q: The Work Queue to operate on.
158 * @index: The index to advance the hba index to.
160 * This routine will update the HBA index of a queue to reflect consumption of
161 * Work Queue Entries by the HBA. When the HBA indicates that it has consumed
162 * an entry the host calls this function to update the queue's internal
163 * pointers. This routine returns the number of entries that were consumed by
167 lpfc_sli4_wq_release(struct lpfc_queue
*q
, uint32_t index
)
169 uint32_t released
= 0;
171 /* sanity check on queue memory */
175 if (q
->hba_index
== index
)
178 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
180 } while (q
->hba_index
!= index
);
185 * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue
186 * @q: The Mailbox Queue to operate on.
187 * @wqe: The Mailbox Queue Entry to put on the Work queue.
189 * This routine will copy the contents of @mqe to the next available entry on
190 * the @q. This function will then ring the Work Queue Doorbell to signal the
191 * HBA to start processing the Work Queue Entry. This function returns 0 if
192 * successful. If no entries are available on @q then this function will return
194 * The caller is expected to hold the hbalock when calling this routine.
197 lpfc_sli4_mq_put(struct lpfc_queue
*q
, struct lpfc_mqe
*mqe
)
199 struct lpfc_mqe
*temp_mqe
;
200 struct lpfc_register doorbell
;
202 /* sanity check on queue memory */
205 temp_mqe
= q
->qe
[q
->host_index
].mqe
;
207 /* If the host has not yet processed the next entry then we are done */
208 if (((q
->host_index
+ 1) % q
->entry_count
) == q
->hba_index
)
210 lpfc_sli_pcimem_bcopy(mqe
, temp_mqe
, q
->entry_size
);
211 /* Save off the mailbox pointer for completion */
212 q
->phba
->mbox
= (MAILBOX_t
*)temp_mqe
;
214 /* Update the host index before invoking device */
215 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
219 bf_set(lpfc_mq_doorbell_num_posted
, &doorbell
, 1);
220 bf_set(lpfc_mq_doorbell_id
, &doorbell
, q
->queue_id
);
221 writel(doorbell
.word0
, q
->phba
->sli4_hba
.MQDBregaddr
);
226 * lpfc_sli4_mq_release - Updates internal hba index for MQ
227 * @q: The Mailbox Queue to operate on.
229 * This routine will update the HBA index of a queue to reflect consumption of
230 * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed
231 * an entry the host calls this function to update the queue's internal
232 * pointers. This routine returns the number of entries that were consumed by
236 lpfc_sli4_mq_release(struct lpfc_queue
*q
)
238 /* sanity check on queue memory */
242 /* Clear the mailbox pointer for completion */
243 q
->phba
->mbox
= NULL
;
244 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
249 * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ
250 * @q: The Event Queue to get the first valid EQE from
252 * This routine will get the first valid Event Queue Entry from @q, update
253 * the queue's internal hba index, and return the EQE. If no valid EQEs are in
254 * the Queue (no more work to do), or the Queue is full of EQEs that have been
255 * processed, but not popped back to the HBA then this routine will return NULL.
257 static struct lpfc_eqe
*
258 lpfc_sli4_eq_get(struct lpfc_queue
*q
)
260 struct lpfc_eqe
*eqe
;
263 /* sanity check on queue memory */
266 eqe
= q
->qe
[q
->hba_index
].eqe
;
268 /* If the next EQE is not valid then we are done */
269 if (!bf_get_le32(lpfc_eqe_valid
, eqe
))
271 /* If the host has not yet processed the next entry then we are done */
272 idx
= ((q
->hba_index
+ 1) % q
->entry_count
);
273 if (idx
== q
->host_index
)
279 * insert barrier for instruction interlock : data from the hardware
280 * must have the valid bit checked before it can be copied and acted
281 * upon. Speculative instructions were allowing a bcopy at the start
282 * of lpfc_sli4_fp_handle_wcqe(), which is called immediately
283 * after our return, to copy data before the valid bit check above
284 * was done. As such, some of the copied data was stale. The barrier
285 * ensures the check is before any data is copied.
292 * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ
293 * @q: The Event Queue to disable interrupts
297 lpfc_sli4_eq_clr_intr(struct lpfc_queue
*q
)
299 struct lpfc_register doorbell
;
302 bf_set(lpfc_eqcq_doorbell_eqci
, &doorbell
, 1);
303 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_EVENT
);
304 bf_set(lpfc_eqcq_doorbell_eqid_hi
, &doorbell
,
305 (q
->queue_id
>> LPFC_EQID_HI_FIELD_SHIFT
));
306 bf_set(lpfc_eqcq_doorbell_eqid_lo
, &doorbell
, q
->queue_id
);
307 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
311 * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ
312 * @q: The Event Queue that the host has completed processing for.
313 * @arm: Indicates whether the host wants to arms this CQ.
315 * This routine will mark all Event Queue Entries on @q, from the last
316 * known completed entry to the last entry that was processed, as completed
317 * by clearing the valid bit for each completion queue entry. Then it will
318 * notify the HBA, by ringing the doorbell, that the EQEs have been processed.
319 * The internal host index in the @q will be updated by this routine to indicate
320 * that the host has finished processing the entries. The @arm parameter
321 * indicates that the queue should be rearmed when ringing the doorbell.
323 * This function will return the number of EQEs that were popped.
326 lpfc_sli4_eq_release(struct lpfc_queue
*q
, bool arm
)
328 uint32_t released
= 0;
329 struct lpfc_eqe
*temp_eqe
;
330 struct lpfc_register doorbell
;
332 /* sanity check on queue memory */
336 /* while there are valid entries */
337 while (q
->hba_index
!= q
->host_index
) {
338 temp_eqe
= q
->qe
[q
->host_index
].eqe
;
339 bf_set_le32(lpfc_eqe_valid
, temp_eqe
, 0);
341 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
343 if (unlikely(released
== 0 && !arm
))
346 /* ring doorbell for number popped */
349 bf_set(lpfc_eqcq_doorbell_arm
, &doorbell
, 1);
350 bf_set(lpfc_eqcq_doorbell_eqci
, &doorbell
, 1);
352 bf_set(lpfc_eqcq_doorbell_num_released
, &doorbell
, released
);
353 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_EVENT
);
354 bf_set(lpfc_eqcq_doorbell_eqid_hi
, &doorbell
,
355 (q
->queue_id
>> LPFC_EQID_HI_FIELD_SHIFT
));
356 bf_set(lpfc_eqcq_doorbell_eqid_lo
, &doorbell
, q
->queue_id
);
357 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
358 /* PCI read to flush PCI pipeline on re-arming for INTx mode */
359 if ((q
->phba
->intr_type
== INTx
) && (arm
== LPFC_QUEUE_REARM
))
360 readl(q
->phba
->sli4_hba
.EQCQDBregaddr
);
365 * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ
366 * @q: The Completion Queue to get the first valid CQE from
368 * This routine will get the first valid Completion Queue Entry from @q, update
369 * the queue's internal hba index, and return the CQE. If no valid CQEs are in
370 * the Queue (no more work to do), or the Queue is full of CQEs that have been
371 * processed, but not popped back to the HBA then this routine will return NULL.
373 static struct lpfc_cqe
*
374 lpfc_sli4_cq_get(struct lpfc_queue
*q
)
376 struct lpfc_cqe
*cqe
;
379 /* sanity check on queue memory */
383 /* If the next CQE is not valid then we are done */
384 if (!bf_get_le32(lpfc_cqe_valid
, q
->qe
[q
->hba_index
].cqe
))
386 /* If the host has not yet processed the next entry then we are done */
387 idx
= ((q
->hba_index
+ 1) % q
->entry_count
);
388 if (idx
== q
->host_index
)
391 cqe
= q
->qe
[q
->hba_index
].cqe
;
395 * insert barrier for instruction interlock : data from the hardware
396 * must have the valid bit checked before it can be copied and acted
397 * upon. Given what was seen in lpfc_sli4_cq_get() of speculative
398 * instructions allowing action on content before valid bit checked,
399 * add barrier here as well. May not be needed as "content" is a
400 * single 32-bit entity here (vs multi word structure for cq's).
407 * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ
408 * @q: The Completion Queue that the host has completed processing for.
409 * @arm: Indicates whether the host wants to arms this CQ.
411 * This routine will mark all Completion queue entries on @q, from the last
412 * known completed entry to the last entry that was processed, as completed
413 * by clearing the valid bit for each completion queue entry. Then it will
414 * notify the HBA, by ringing the doorbell, that the CQEs have been processed.
415 * The internal host index in the @q will be updated by this routine to indicate
416 * that the host has finished processing the entries. The @arm parameter
417 * indicates that the queue should be rearmed when ringing the doorbell.
419 * This function will return the number of CQEs that were released.
422 lpfc_sli4_cq_release(struct lpfc_queue
*q
, bool arm
)
424 uint32_t released
= 0;
425 struct lpfc_cqe
*temp_qe
;
426 struct lpfc_register doorbell
;
428 /* sanity check on queue memory */
431 /* while there are valid entries */
432 while (q
->hba_index
!= q
->host_index
) {
433 temp_qe
= q
->qe
[q
->host_index
].cqe
;
434 bf_set_le32(lpfc_cqe_valid
, temp_qe
, 0);
436 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
438 if (unlikely(released
== 0 && !arm
))
441 /* ring doorbell for number popped */
444 bf_set(lpfc_eqcq_doorbell_arm
, &doorbell
, 1);
445 bf_set(lpfc_eqcq_doorbell_num_released
, &doorbell
, released
);
446 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_COMPLETION
);
447 bf_set(lpfc_eqcq_doorbell_cqid_hi
, &doorbell
,
448 (q
->queue_id
>> LPFC_CQID_HI_FIELD_SHIFT
));
449 bf_set(lpfc_eqcq_doorbell_cqid_lo
, &doorbell
, q
->queue_id
);
450 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
455 * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue
456 * @q: The Header Receive Queue to operate on.
457 * @wqe: The Receive Queue Entry to put on the Receive queue.
459 * This routine will copy the contents of @wqe to the next available entry on
460 * the @q. This function will then ring the Receive Queue Doorbell to signal the
461 * HBA to start processing the Receive Queue Entry. This function returns the
462 * index that the rqe was copied to if successful. If no entries are available
463 * on @q then this function will return -ENOMEM.
464 * The caller is expected to hold the hbalock when calling this routine.
467 lpfc_sli4_rq_put(struct lpfc_queue
*hq
, struct lpfc_queue
*dq
,
468 struct lpfc_rqe
*hrqe
, struct lpfc_rqe
*drqe
)
470 struct lpfc_rqe
*temp_hrqe
;
471 struct lpfc_rqe
*temp_drqe
;
472 struct lpfc_register doorbell
;
475 /* sanity check on queue memory */
476 if (unlikely(!hq
) || unlikely(!dq
))
478 put_index
= hq
->host_index
;
479 temp_hrqe
= hq
->qe
[hq
->host_index
].rqe
;
480 temp_drqe
= dq
->qe
[dq
->host_index
].rqe
;
482 if (hq
->type
!= LPFC_HRQ
|| dq
->type
!= LPFC_DRQ
)
484 if (hq
->host_index
!= dq
->host_index
)
486 /* If the host has not yet processed the next entry then we are done */
487 if (((hq
->host_index
+ 1) % hq
->entry_count
) == hq
->hba_index
)
489 lpfc_sli_pcimem_bcopy(hrqe
, temp_hrqe
, hq
->entry_size
);
490 lpfc_sli_pcimem_bcopy(drqe
, temp_drqe
, dq
->entry_size
);
492 /* Update the host index to point to the next slot */
493 hq
->host_index
= ((hq
->host_index
+ 1) % hq
->entry_count
);
494 dq
->host_index
= ((dq
->host_index
+ 1) % dq
->entry_count
);
496 /* Ring The Header Receive Queue Doorbell */
497 if (!(hq
->host_index
% hq
->entry_repost
)) {
499 if (hq
->db_format
== LPFC_DB_RING_FORMAT
) {
500 bf_set(lpfc_rq_db_ring_fm_num_posted
, &doorbell
,
502 bf_set(lpfc_rq_db_ring_fm_id
, &doorbell
, hq
->queue_id
);
503 } else if (hq
->db_format
== LPFC_DB_LIST_FORMAT
) {
504 bf_set(lpfc_rq_db_list_fm_num_posted
, &doorbell
,
506 bf_set(lpfc_rq_db_list_fm_index
, &doorbell
,
508 bf_set(lpfc_rq_db_list_fm_id
, &doorbell
, hq
->queue_id
);
512 writel(doorbell
.word0
, hq
->db_regaddr
);
518 * lpfc_sli4_rq_release - Updates internal hba index for RQ
519 * @q: The Header Receive Queue to operate on.
521 * This routine will update the HBA index of a queue to reflect consumption of
522 * one Receive Queue Entry by the HBA. When the HBA indicates that it has
523 * consumed an entry the host calls this function to update the queue's
524 * internal pointers. This routine returns the number of entries that were
525 * consumed by the HBA.
528 lpfc_sli4_rq_release(struct lpfc_queue
*hq
, struct lpfc_queue
*dq
)
530 /* sanity check on queue memory */
531 if (unlikely(!hq
) || unlikely(!dq
))
534 if ((hq
->type
!= LPFC_HRQ
) || (dq
->type
!= LPFC_DRQ
))
536 hq
->hba_index
= ((hq
->hba_index
+ 1) % hq
->entry_count
);
537 dq
->hba_index
= ((dq
->hba_index
+ 1) % dq
->entry_count
);
542 * lpfc_cmd_iocb - Get next command iocb entry in the ring
543 * @phba: Pointer to HBA context object.
544 * @pring: Pointer to driver SLI ring object.
546 * This function returns pointer to next command iocb entry
547 * in the command ring. The caller must hold hbalock to prevent
548 * other threads consume the next command iocb.
549 * SLI-2/SLI-3 provide different sized iocbs.
551 static inline IOCB_t
*
552 lpfc_cmd_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
554 return (IOCB_t
*) (((char *) pring
->sli
.sli3
.cmdringaddr
) +
555 pring
->sli
.sli3
.cmdidx
* phba
->iocb_cmd_size
);
559 * lpfc_resp_iocb - Get next response iocb entry in the ring
560 * @phba: Pointer to HBA context object.
561 * @pring: Pointer to driver SLI ring object.
563 * This function returns pointer to next response iocb entry
564 * in the response ring. The caller must hold hbalock to make sure
565 * that no other thread consume the next response iocb.
566 * SLI-2/SLI-3 provide different sized iocbs.
568 static inline IOCB_t
*
569 lpfc_resp_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
571 return (IOCB_t
*) (((char *) pring
->sli
.sli3
.rspringaddr
) +
572 pring
->sli
.sli3
.rspidx
* phba
->iocb_rsp_size
);
576 * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
577 * @phba: Pointer to HBA context object.
579 * This function is called with hbalock held. This function
580 * allocates a new driver iocb object from the iocb pool. If the
581 * allocation is successful, it returns pointer to the newly
582 * allocated iocb object else it returns NULL.
585 __lpfc_sli_get_iocbq(struct lpfc_hba
*phba
)
587 struct list_head
*lpfc_iocb_list
= &phba
->lpfc_iocb_list
;
588 struct lpfc_iocbq
* iocbq
= NULL
;
590 lockdep_assert_held(&phba
->hbalock
);
592 list_remove_head(lpfc_iocb_list
, iocbq
, struct lpfc_iocbq
, list
);
595 if (phba
->iocb_cnt
> phba
->iocb_max
)
596 phba
->iocb_max
= phba
->iocb_cnt
;
601 * __lpfc_clear_active_sglq - Remove the active sglq for this XRI.
602 * @phba: Pointer to HBA context object.
603 * @xritag: XRI value.
605 * This function clears the sglq pointer from the array of acive
606 * sglq's. The xritag that is passed in is used to index into the
607 * array. Before the xritag can be used it needs to be adjusted
608 * by subtracting the xribase.
610 * Returns sglq ponter = success, NULL = Failure.
613 __lpfc_clear_active_sglq(struct lpfc_hba
*phba
, uint16_t xritag
)
615 struct lpfc_sglq
*sglq
;
617 sglq
= phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
];
618 phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
] = NULL
;
623 * __lpfc_get_active_sglq - Get the active sglq for this XRI.
624 * @phba: Pointer to HBA context object.
625 * @xritag: XRI value.
627 * This function returns the sglq pointer from the array of acive
628 * sglq's. The xritag that is passed in is used to index into the
629 * array. Before the xritag can be used it needs to be adjusted
630 * by subtracting the xribase.
632 * Returns sglq ponter = success, NULL = Failure.
635 __lpfc_get_active_sglq(struct lpfc_hba
*phba
, uint16_t xritag
)
637 struct lpfc_sglq
*sglq
;
639 sglq
= phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
];
644 * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap.
645 * @phba: Pointer to HBA context object.
646 * @xritag: xri used in this exchange.
647 * @rrq: The RRQ to be cleared.
651 lpfc_clr_rrq_active(struct lpfc_hba
*phba
,
653 struct lpfc_node_rrq
*rrq
)
655 struct lpfc_nodelist
*ndlp
= NULL
;
657 if ((rrq
->vport
) && NLP_CHK_NODE_ACT(rrq
->ndlp
))
658 ndlp
= lpfc_findnode_did(rrq
->vport
, rrq
->nlp_DID
);
660 /* The target DID could have been swapped (cable swap)
661 * we should use the ndlp from the findnode if it is
664 if ((!ndlp
) && rrq
->ndlp
)
670 if (test_and_clear_bit(xritag
, ndlp
->active_rrqs_xri_bitmap
)) {
673 rrq
->rrq_stop_time
= 0;
676 mempool_free(rrq
, phba
->rrq_pool
);
680 * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV.
681 * @phba: Pointer to HBA context object.
683 * This function is called with hbalock held. This function
684 * Checks if stop_time (ratov from setting rrq active) has
685 * been reached, if it has and the send_rrq flag is set then
686 * it will call lpfc_send_rrq. If the send_rrq flag is not set
687 * then it will just call the routine to clear the rrq and
688 * free the rrq resource.
689 * The timer is set to the next rrq that is going to expire before
690 * leaving the routine.
694 lpfc_handle_rrq_active(struct lpfc_hba
*phba
)
696 struct lpfc_node_rrq
*rrq
;
697 struct lpfc_node_rrq
*nextrrq
;
698 unsigned long next_time
;
699 unsigned long iflags
;
702 spin_lock_irqsave(&phba
->hbalock
, iflags
);
703 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
704 next_time
= jiffies
+ msecs_to_jiffies(1000 * (phba
->fc_ratov
+ 1));
705 list_for_each_entry_safe(rrq
, nextrrq
,
706 &phba
->active_rrq_list
, list
) {
707 if (time_after(jiffies
, rrq
->rrq_stop_time
))
708 list_move(&rrq
->list
, &send_rrq
);
709 else if (time_before(rrq
->rrq_stop_time
, next_time
))
710 next_time
= rrq
->rrq_stop_time
;
712 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
713 if ((!list_empty(&phba
->active_rrq_list
)) &&
714 (!(phba
->pport
->load_flag
& FC_UNLOADING
)))
715 mod_timer(&phba
->rrq_tmr
, next_time
);
716 list_for_each_entry_safe(rrq
, nextrrq
, &send_rrq
, list
) {
717 list_del(&rrq
->list
);
719 /* this call will free the rrq */
720 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
721 else if (lpfc_send_rrq(phba
, rrq
)) {
722 /* if we send the rrq then the completion handler
723 * will clear the bit in the xribitmap.
725 lpfc_clr_rrq_active(phba
, rrq
->xritag
,
732 * lpfc_get_active_rrq - Get the active RRQ for this exchange.
733 * @vport: Pointer to vport context object.
734 * @xri: The xri used in the exchange.
735 * @did: The targets DID for this exchange.
737 * returns NULL = rrq not found in the phba->active_rrq_list.
738 * rrq = rrq for this xri and target.
740 struct lpfc_node_rrq
*
741 lpfc_get_active_rrq(struct lpfc_vport
*vport
, uint16_t xri
, uint32_t did
)
743 struct lpfc_hba
*phba
= vport
->phba
;
744 struct lpfc_node_rrq
*rrq
;
745 struct lpfc_node_rrq
*nextrrq
;
746 unsigned long iflags
;
748 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
750 spin_lock_irqsave(&phba
->hbalock
, iflags
);
751 list_for_each_entry_safe(rrq
, nextrrq
, &phba
->active_rrq_list
, list
) {
752 if (rrq
->vport
== vport
&& rrq
->xritag
== xri
&&
753 rrq
->nlp_DID
== did
){
754 list_del(&rrq
->list
);
755 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
759 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
764 * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport.
765 * @vport: Pointer to vport context object.
766 * @ndlp: Pointer to the lpfc_node_list structure.
767 * If ndlp is NULL Remove all active RRQs for this vport from the
768 * phba->active_rrq_list and clear the rrq.
769 * If ndlp is not NULL then only remove rrqs for this vport & this ndlp.
772 lpfc_cleanup_vports_rrqs(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
775 struct lpfc_hba
*phba
= vport
->phba
;
776 struct lpfc_node_rrq
*rrq
;
777 struct lpfc_node_rrq
*nextrrq
;
778 unsigned long iflags
;
781 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
784 lpfc_sli4_vport_delete_els_xri_aborted(vport
);
785 lpfc_sli4_vport_delete_fcp_xri_aborted(vport
);
787 spin_lock_irqsave(&phba
->hbalock
, iflags
);
788 list_for_each_entry_safe(rrq
, nextrrq
, &phba
->active_rrq_list
, list
)
789 if ((rrq
->vport
== vport
) && (!ndlp
|| rrq
->ndlp
== ndlp
))
790 list_move(&rrq
->list
, &rrq_list
);
791 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
793 list_for_each_entry_safe(rrq
, nextrrq
, &rrq_list
, list
) {
794 list_del(&rrq
->list
);
795 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
800 * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap.
801 * @phba: Pointer to HBA context object.
802 * @ndlp: Targets nodelist pointer for this exchange.
803 * @xritag the xri in the bitmap to test.
805 * This function is called with hbalock held. This function
806 * returns 0 = rrq not active for this xri
807 * 1 = rrq is valid for this xri.
810 lpfc_test_rrq_active(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
813 lockdep_assert_held(&phba
->hbalock
);
816 if (!ndlp
->active_rrqs_xri_bitmap
)
818 if (test_bit(xritag
, ndlp
->active_rrqs_xri_bitmap
))
825 * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap.
826 * @phba: Pointer to HBA context object.
827 * @ndlp: nodelist pointer for this target.
828 * @xritag: xri used in this exchange.
829 * @rxid: Remote Exchange ID.
830 * @send_rrq: Flag used to determine if we should send rrq els cmd.
832 * This function takes the hbalock.
833 * The active bit is always set in the active rrq xri_bitmap even
834 * if there is no slot avaiable for the other rrq information.
836 * returns 0 rrq actived for this xri
837 * < 0 No memory or invalid ndlp.
840 lpfc_set_rrq_active(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
841 uint16_t xritag
, uint16_t rxid
, uint16_t send_rrq
)
843 unsigned long iflags
;
844 struct lpfc_node_rrq
*rrq
;
850 if (!phba
->cfg_enable_rrq
)
853 spin_lock_irqsave(&phba
->hbalock
, iflags
);
854 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
855 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
860 * set the active bit even if there is no mem available.
862 if (NLP_CHK_FREE_REQ(ndlp
))
865 if (ndlp
->vport
&& (ndlp
->vport
->load_flag
& FC_UNLOADING
))
868 if (!ndlp
->active_rrqs_xri_bitmap
)
871 if (test_and_set_bit(xritag
, ndlp
->active_rrqs_xri_bitmap
))
874 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
875 rrq
= mempool_alloc(phba
->rrq_pool
, GFP_KERNEL
);
877 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
878 "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x"
879 " DID:0x%x Send:%d\n",
880 xritag
, rxid
, ndlp
->nlp_DID
, send_rrq
);
883 if (phba
->cfg_enable_rrq
== 1)
884 rrq
->send_rrq
= send_rrq
;
887 rrq
->xritag
= xritag
;
888 rrq
->rrq_stop_time
= jiffies
+
889 msecs_to_jiffies(1000 * (phba
->fc_ratov
+ 1));
891 rrq
->nlp_DID
= ndlp
->nlp_DID
;
892 rrq
->vport
= ndlp
->vport
;
894 spin_lock_irqsave(&phba
->hbalock
, iflags
);
895 empty
= list_empty(&phba
->active_rrq_list
);
896 list_add_tail(&rrq
->list
, &phba
->active_rrq_list
);
897 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
899 lpfc_worker_wake_up(phba
);
900 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
903 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
904 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
905 "2921 Can't set rrq active xri:0x%x rxid:0x%x"
906 " DID:0x%x Send:%d\n",
907 xritag
, rxid
, ndlp
->nlp_DID
, send_rrq
);
912 * __lpfc_sli_get_els_sglq - Allocates an iocb object from sgl pool
913 * @phba: Pointer to HBA context object.
914 * @piocb: Pointer to the iocbq.
916 * This function is called with the ring lock held. This function
917 * gets a new driver sglq object from the sglq list. If the
918 * list is not empty then it is successful, it returns pointer to the newly
919 * allocated sglq object else it returns NULL.
921 static struct lpfc_sglq
*
922 __lpfc_sli_get_els_sglq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocbq
)
924 struct list_head
*lpfc_els_sgl_list
= &phba
->sli4_hba
.lpfc_els_sgl_list
;
925 struct lpfc_sglq
*sglq
= NULL
;
926 struct lpfc_sglq
*start_sglq
= NULL
;
927 struct lpfc_scsi_buf
*lpfc_cmd
;
928 struct lpfc_nodelist
*ndlp
;
931 lockdep_assert_held(&phba
->hbalock
);
933 if (piocbq
->iocb_flag
& LPFC_IO_FCP
) {
934 lpfc_cmd
= (struct lpfc_scsi_buf
*) piocbq
->context1
;
935 ndlp
= lpfc_cmd
->rdata
->pnode
;
936 } else if ((piocbq
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
) &&
937 !(piocbq
->iocb_flag
& LPFC_IO_LIBDFC
)) {
938 ndlp
= piocbq
->context_un
.ndlp
;
939 } else if (piocbq
->iocb_flag
& LPFC_IO_LIBDFC
) {
940 if (piocbq
->iocb_flag
& LPFC_IO_LOOPBACK
)
943 ndlp
= piocbq
->context_un
.ndlp
;
945 ndlp
= piocbq
->context1
;
948 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
949 list_remove_head(lpfc_els_sgl_list
, sglq
, struct lpfc_sglq
, list
);
954 if (ndlp
&& ndlp
->active_rrqs_xri_bitmap
&&
955 test_bit(sglq
->sli4_lxritag
,
956 ndlp
->active_rrqs_xri_bitmap
)) {
957 /* This xri has an rrq outstanding for this DID.
958 * put it back in the list and get another xri.
960 list_add_tail(&sglq
->list
, lpfc_els_sgl_list
);
962 list_remove_head(lpfc_els_sgl_list
, sglq
,
963 struct lpfc_sglq
, list
);
964 if (sglq
== start_sglq
) {
972 phba
->sli4_hba
.lpfc_sglq_active_list
[sglq
->sli4_lxritag
] = sglq
;
973 sglq
->state
= SGL_ALLOCATED
;
975 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
980 * __lpfc_sli_get_nvmet_sglq - Allocates an iocb object from sgl pool
981 * @phba: Pointer to HBA context object.
982 * @piocb: Pointer to the iocbq.
984 * This function is called with the sgl_list lock held. This function
985 * gets a new driver sglq object from the sglq list. If the
986 * list is not empty then it is successful, it returns pointer to the newly
987 * allocated sglq object else it returns NULL.
990 __lpfc_sli_get_nvmet_sglq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocbq
)
992 struct list_head
*lpfc_nvmet_sgl_list
;
993 struct lpfc_sglq
*sglq
= NULL
;
995 lpfc_nvmet_sgl_list
= &phba
->sli4_hba
.lpfc_nvmet_sgl_list
;
997 lockdep_assert_held(&phba
->sli4_hba
.sgl_list_lock
);
999 list_remove_head(lpfc_nvmet_sgl_list
, sglq
, struct lpfc_sglq
, list
);
1002 phba
->sli4_hba
.lpfc_sglq_active_list
[sglq
->sli4_lxritag
] = sglq
;
1003 sglq
->state
= SGL_ALLOCATED
;
1008 * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
1009 * @phba: Pointer to HBA context object.
1011 * This function is called with no lock held. This function
1012 * allocates a new driver iocb object from the iocb pool. If the
1013 * allocation is successful, it returns pointer to the newly
1014 * allocated iocb object else it returns NULL.
1017 lpfc_sli_get_iocbq(struct lpfc_hba
*phba
)
1019 struct lpfc_iocbq
* iocbq
= NULL
;
1020 unsigned long iflags
;
1022 spin_lock_irqsave(&phba
->hbalock
, iflags
);
1023 iocbq
= __lpfc_sli_get_iocbq(phba
);
1024 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
1029 * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool
1030 * @phba: Pointer to HBA context object.
1031 * @iocbq: Pointer to driver iocb object.
1033 * This function is called with hbalock held to release driver
1034 * iocb object to the iocb pool. The iotag in the iocb object
1035 * does not change for each use of the iocb object. This function
1036 * clears all other fields of the iocb object when it is freed.
1037 * The sqlq structure that holds the xritag and phys and virtual
1038 * mappings for the scatter gather list is retrieved from the
1039 * active array of sglq. The get of the sglq pointer also clears
1040 * the entry in the array. If the status of the IO indiactes that
1041 * this IO was aborted then the sglq entry it put on the
1042 * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the
1043 * IO has good status or fails for any other reason then the sglq
1044 * entry is added to the free list (lpfc_els_sgl_list).
1047 __lpfc_sli_release_iocbq_s4(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1049 struct lpfc_sglq
*sglq
;
1050 size_t start_clean
= offsetof(struct lpfc_iocbq
, iocb
);
1051 unsigned long iflag
= 0;
1052 struct lpfc_sli_ring
*pring
;
1054 lockdep_assert_held(&phba
->hbalock
);
1056 if (iocbq
->sli4_xritag
== NO_XRI
)
1059 sglq
= __lpfc_clear_active_sglq(phba
, iocbq
->sli4_lxritag
);
1063 if (iocbq
->iocb_flag
& LPFC_IO_NVMET
) {
1064 spin_lock_irqsave(&phba
->sli4_hba
.sgl_list_lock
,
1066 sglq
->state
= SGL_FREED
;
1068 list_add_tail(&sglq
->list
,
1069 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
);
1070 spin_unlock_irqrestore(
1071 &phba
->sli4_hba
.sgl_list_lock
, iflag
);
1075 pring
= phba
->sli4_hba
.els_wq
->pring
;
1076 if ((iocbq
->iocb_flag
& LPFC_EXCHANGE_BUSY
) &&
1077 (sglq
->state
!= SGL_XRI_ABORTED
)) {
1078 spin_lock_irqsave(&phba
->sli4_hba
.sgl_list_lock
,
1080 list_add(&sglq
->list
,
1081 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
1082 spin_unlock_irqrestore(
1083 &phba
->sli4_hba
.sgl_list_lock
, iflag
);
1085 spin_lock_irqsave(&phba
->sli4_hba
.sgl_list_lock
,
1087 sglq
->state
= SGL_FREED
;
1089 list_add_tail(&sglq
->list
,
1090 &phba
->sli4_hba
.lpfc_els_sgl_list
);
1091 spin_unlock_irqrestore(
1092 &phba
->sli4_hba
.sgl_list_lock
, iflag
);
1094 /* Check if TXQ queue needs to be serviced */
1095 if (!list_empty(&pring
->txq
))
1096 lpfc_worker_wake_up(phba
);
1102 * Clean all volatile data fields, preserve iotag and node struct.
1104 memset((char *)iocbq
+ start_clean
, 0, sizeof(*iocbq
) - start_clean
);
1105 iocbq
->sli4_lxritag
= NO_XRI
;
1106 iocbq
->sli4_xritag
= NO_XRI
;
1107 iocbq
->iocb_flag
&= ~(LPFC_IO_NVME
| LPFC_IO_NVMET
|
1109 list_add_tail(&iocbq
->list
, &phba
->lpfc_iocb_list
);
1114 * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool
1115 * @phba: Pointer to HBA context object.
1116 * @iocbq: Pointer to driver iocb object.
1118 * This function is called with hbalock held to release driver
1119 * iocb object to the iocb pool. The iotag in the iocb object
1120 * does not change for each use of the iocb object. This function
1121 * clears all other fields of the iocb object when it is freed.
1124 __lpfc_sli_release_iocbq_s3(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1126 size_t start_clean
= offsetof(struct lpfc_iocbq
, iocb
);
1128 lockdep_assert_held(&phba
->hbalock
);
1131 * Clean all volatile data fields, preserve iotag and node struct.
1133 memset((char*)iocbq
+ start_clean
, 0, sizeof(*iocbq
) - start_clean
);
1134 iocbq
->sli4_xritag
= NO_XRI
;
1135 list_add_tail(&iocbq
->list
, &phba
->lpfc_iocb_list
);
1139 * __lpfc_sli_release_iocbq - Release iocb to the iocb pool
1140 * @phba: Pointer to HBA context object.
1141 * @iocbq: Pointer to driver iocb object.
1143 * This function is called with hbalock held to release driver
1144 * iocb object to the iocb pool. The iotag in the iocb object
1145 * does not change for each use of the iocb object. This function
1146 * clears all other fields of the iocb object when it is freed.
1149 __lpfc_sli_release_iocbq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1151 lockdep_assert_held(&phba
->hbalock
);
1153 phba
->__lpfc_sli_release_iocbq(phba
, iocbq
);
1158 * lpfc_sli_release_iocbq - Release iocb to the iocb pool
1159 * @phba: Pointer to HBA context object.
1160 * @iocbq: Pointer to driver iocb object.
1162 * This function is called with no lock held to release the iocb to
1166 lpfc_sli_release_iocbq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1168 unsigned long iflags
;
1171 * Clean all volatile data fields, preserve iotag and node struct.
1173 spin_lock_irqsave(&phba
->hbalock
, iflags
);
1174 __lpfc_sli_release_iocbq(phba
, iocbq
);
1175 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
1179 * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list.
1180 * @phba: Pointer to HBA context object.
1181 * @iocblist: List of IOCBs.
1182 * @ulpstatus: ULP status in IOCB command field.
1183 * @ulpWord4: ULP word-4 in IOCB command field.
1185 * This function is called with a list of IOCBs to cancel. It cancels the IOCB
1186 * on the list by invoking the complete callback function associated with the
1187 * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond
1191 lpfc_sli_cancel_iocbs(struct lpfc_hba
*phba
, struct list_head
*iocblist
,
1192 uint32_t ulpstatus
, uint32_t ulpWord4
)
1194 struct lpfc_iocbq
*piocb
;
1196 while (!list_empty(iocblist
)) {
1197 list_remove_head(iocblist
, piocb
, struct lpfc_iocbq
, list
);
1198 if (!piocb
->iocb_cmpl
)
1199 lpfc_sli_release_iocbq(phba
, piocb
);
1201 piocb
->iocb
.ulpStatus
= ulpstatus
;
1202 piocb
->iocb
.un
.ulpWord
[4] = ulpWord4
;
1203 (piocb
->iocb_cmpl
) (phba
, piocb
, piocb
);
1210 * lpfc_sli_iocb_cmd_type - Get the iocb type
1211 * @iocb_cmnd: iocb command code.
1213 * This function is called by ring event handler function to get the iocb type.
1214 * This function translates the iocb command to an iocb command type used to
1215 * decide the final disposition of each completed IOCB.
1216 * The function returns
1217 * LPFC_UNKNOWN_IOCB if it is an unsupported iocb
1218 * LPFC_SOL_IOCB if it is a solicited iocb completion
1219 * LPFC_ABORT_IOCB if it is an abort iocb
1220 * LPFC_UNSOL_IOCB if it is an unsolicited iocb
1222 * The caller is not required to hold any lock.
1224 static lpfc_iocb_type
1225 lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd
)
1227 lpfc_iocb_type type
= LPFC_UNKNOWN_IOCB
;
1229 if (iocb_cmnd
> CMD_MAX_IOCB_CMD
)
1232 switch (iocb_cmnd
) {
1233 case CMD_XMIT_SEQUENCE_CR
:
1234 case CMD_XMIT_SEQUENCE_CX
:
1235 case CMD_XMIT_BCAST_CN
:
1236 case CMD_XMIT_BCAST_CX
:
1237 case CMD_ELS_REQUEST_CR
:
1238 case CMD_ELS_REQUEST_CX
:
1239 case CMD_CREATE_XRI_CR
:
1240 case CMD_CREATE_XRI_CX
:
1241 case CMD_GET_RPI_CN
:
1242 case CMD_XMIT_ELS_RSP_CX
:
1243 case CMD_GET_RPI_CR
:
1244 case CMD_FCP_IWRITE_CR
:
1245 case CMD_FCP_IWRITE_CX
:
1246 case CMD_FCP_IREAD_CR
:
1247 case CMD_FCP_IREAD_CX
:
1248 case CMD_FCP_ICMND_CR
:
1249 case CMD_FCP_ICMND_CX
:
1250 case CMD_FCP_TSEND_CX
:
1251 case CMD_FCP_TRSP_CX
:
1252 case CMD_FCP_TRECEIVE_CX
:
1253 case CMD_FCP_AUTO_TRSP_CX
:
1254 case CMD_ADAPTER_MSG
:
1255 case CMD_ADAPTER_DUMP
:
1256 case CMD_XMIT_SEQUENCE64_CR
:
1257 case CMD_XMIT_SEQUENCE64_CX
:
1258 case CMD_XMIT_BCAST64_CN
:
1259 case CMD_XMIT_BCAST64_CX
:
1260 case CMD_ELS_REQUEST64_CR
:
1261 case CMD_ELS_REQUEST64_CX
:
1262 case CMD_FCP_IWRITE64_CR
:
1263 case CMD_FCP_IWRITE64_CX
:
1264 case CMD_FCP_IREAD64_CR
:
1265 case CMD_FCP_IREAD64_CX
:
1266 case CMD_FCP_ICMND64_CR
:
1267 case CMD_FCP_ICMND64_CX
:
1268 case CMD_FCP_TSEND64_CX
:
1269 case CMD_FCP_TRSP64_CX
:
1270 case CMD_FCP_TRECEIVE64_CX
:
1271 case CMD_GEN_REQUEST64_CR
:
1272 case CMD_GEN_REQUEST64_CX
:
1273 case CMD_XMIT_ELS_RSP64_CX
:
1274 case DSSCMD_IWRITE64_CR
:
1275 case DSSCMD_IWRITE64_CX
:
1276 case DSSCMD_IREAD64_CR
:
1277 case DSSCMD_IREAD64_CX
:
1278 type
= LPFC_SOL_IOCB
;
1280 case CMD_ABORT_XRI_CN
:
1281 case CMD_ABORT_XRI_CX
:
1282 case CMD_CLOSE_XRI_CN
:
1283 case CMD_CLOSE_XRI_CX
:
1284 case CMD_XRI_ABORTED_CX
:
1285 case CMD_ABORT_MXRI64_CN
:
1286 case CMD_XMIT_BLS_RSP64_CX
:
1287 type
= LPFC_ABORT_IOCB
;
1289 case CMD_RCV_SEQUENCE_CX
:
1290 case CMD_RCV_ELS_REQ_CX
:
1291 case CMD_RCV_SEQUENCE64_CX
:
1292 case CMD_RCV_ELS_REQ64_CX
:
1293 case CMD_ASYNC_STATUS
:
1294 case CMD_IOCB_RCV_SEQ64_CX
:
1295 case CMD_IOCB_RCV_ELS64_CX
:
1296 case CMD_IOCB_RCV_CONT64_CX
:
1297 case CMD_IOCB_RET_XRI64_CX
:
1298 type
= LPFC_UNSOL_IOCB
;
1300 case CMD_IOCB_XMIT_MSEQ64_CR
:
1301 case CMD_IOCB_XMIT_MSEQ64_CX
:
1302 case CMD_IOCB_RCV_SEQ_LIST64_CX
:
1303 case CMD_IOCB_RCV_ELS_LIST64_CX
:
1304 case CMD_IOCB_CLOSE_EXTENDED_CN
:
1305 case CMD_IOCB_ABORT_EXTENDED_CN
:
1306 case CMD_IOCB_RET_HBQE64_CN
:
1307 case CMD_IOCB_FCP_IBIDIR64_CR
:
1308 case CMD_IOCB_FCP_IBIDIR64_CX
:
1309 case CMD_IOCB_FCP_ITASKMGT64_CX
:
1310 case CMD_IOCB_LOGENTRY_CN
:
1311 case CMD_IOCB_LOGENTRY_ASYNC_CN
:
1312 printk("%s - Unhandled SLI-3 Command x%x\n",
1313 __func__
, iocb_cmnd
);
1314 type
= LPFC_UNKNOWN_IOCB
;
1317 type
= LPFC_UNKNOWN_IOCB
;
1325 * lpfc_sli_ring_map - Issue config_ring mbox for all rings
1326 * @phba: Pointer to HBA context object.
1328 * This function is called from SLI initialization code
1329 * to configure every ring of the HBA's SLI interface. The
1330 * caller is not required to hold any lock. This function issues
1331 * a config_ring mailbox command for each ring.
1332 * This function returns zero if successful else returns a negative
1336 lpfc_sli_ring_map(struct lpfc_hba
*phba
)
1338 struct lpfc_sli
*psli
= &phba
->sli
;
1343 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1347 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
1348 for (i
= 0; i
< psli
->num_rings
; i
++) {
1349 lpfc_config_ring(phba
, i
, pmb
);
1350 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
1351 if (rc
!= MBX_SUCCESS
) {
1352 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1353 "0446 Adapter failed to init (%d), "
1354 "mbxCmd x%x CFG_RING, mbxStatus x%x, "
1356 rc
, pmbox
->mbxCommand
,
1357 pmbox
->mbxStatus
, i
);
1358 phba
->link_state
= LPFC_HBA_ERROR
;
1363 mempool_free(pmb
, phba
->mbox_mem_pool
);
1368 * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq
1369 * @phba: Pointer to HBA context object.
1370 * @pring: Pointer to driver SLI ring object.
1371 * @piocb: Pointer to the driver iocb object.
1373 * This function is called with hbalock held. The function adds the
1374 * new iocb to txcmplq of the given ring. This function always returns
1375 * 0. If this function is called for ELS ring, this function checks if
1376 * there is a vport associated with the ELS command. This function also
1377 * starts els_tmofunc timer if this is an ELS command.
1380 lpfc_sli_ringtxcmpl_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
1381 struct lpfc_iocbq
*piocb
)
1383 lockdep_assert_held(&phba
->hbalock
);
1387 list_add_tail(&piocb
->list
, &pring
->txcmplq
);
1388 piocb
->iocb_flag
|= LPFC_IO_ON_TXCMPLQ
;
1390 if ((unlikely(pring
->ringno
== LPFC_ELS_RING
)) &&
1391 (piocb
->iocb
.ulpCommand
!= CMD_ABORT_XRI_CN
) &&
1392 (piocb
->iocb
.ulpCommand
!= CMD_CLOSE_XRI_CN
)) {
1393 BUG_ON(!piocb
->vport
);
1394 if (!(piocb
->vport
->load_flag
& FC_UNLOADING
))
1395 mod_timer(&piocb
->vport
->els_tmofunc
,
1397 msecs_to_jiffies(1000 * (phba
->fc_ratov
<< 1)));
1404 * lpfc_sli_ringtx_get - Get first element of the txq
1405 * @phba: Pointer to HBA context object.
1406 * @pring: Pointer to driver SLI ring object.
1408 * This function is called with hbalock held to get next
1409 * iocb in txq of the given ring. If there is any iocb in
1410 * the txq, the function returns first iocb in the list after
1411 * removing the iocb from the list, else it returns NULL.
1414 lpfc_sli_ringtx_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1416 struct lpfc_iocbq
*cmd_iocb
;
1418 lockdep_assert_held(&phba
->hbalock
);
1420 list_remove_head((&pring
->txq
), cmd_iocb
, struct lpfc_iocbq
, list
);
1425 * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring
1426 * @phba: Pointer to HBA context object.
1427 * @pring: Pointer to driver SLI ring object.
1429 * This function is called with hbalock held and the caller must post the
1430 * iocb without releasing the lock. If the caller releases the lock,
1431 * iocb slot returned by the function is not guaranteed to be available.
1432 * The function returns pointer to the next available iocb slot if there
1433 * is available slot in the ring, else it returns NULL.
1434 * If the get index of the ring is ahead of the put index, the function
1435 * will post an error attention event to the worker thread to take the
1436 * HBA to offline state.
1439 lpfc_sli_next_iocb_slot (struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1441 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
1442 uint32_t max_cmd_idx
= pring
->sli
.sli3
.numCiocb
;
1444 lockdep_assert_held(&phba
->hbalock
);
1446 if ((pring
->sli
.sli3
.next_cmdidx
== pring
->sli
.sli3
.cmdidx
) &&
1447 (++pring
->sli
.sli3
.next_cmdidx
>= max_cmd_idx
))
1448 pring
->sli
.sli3
.next_cmdidx
= 0;
1450 if (unlikely(pring
->sli
.sli3
.local_getidx
==
1451 pring
->sli
.sli3
.next_cmdidx
)) {
1453 pring
->sli
.sli3
.local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
1455 if (unlikely(pring
->sli
.sli3
.local_getidx
>= max_cmd_idx
)) {
1456 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
1457 "0315 Ring %d issue: portCmdGet %d "
1458 "is bigger than cmd ring %d\n",
1460 pring
->sli
.sli3
.local_getidx
,
1463 phba
->link_state
= LPFC_HBA_ERROR
;
1465 * All error attention handlers are posted to
1468 phba
->work_ha
|= HA_ERATT
;
1469 phba
->work_hs
= HS_FFER3
;
1471 lpfc_worker_wake_up(phba
);
1476 if (pring
->sli
.sli3
.local_getidx
== pring
->sli
.sli3
.next_cmdidx
)
1480 return lpfc_cmd_iocb(phba
, pring
);
1484 * lpfc_sli_next_iotag - Get an iotag for the iocb
1485 * @phba: Pointer to HBA context object.
1486 * @iocbq: Pointer to driver iocb object.
1488 * This function gets an iotag for the iocb. If there is no unused iotag and
1489 * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup
1490 * array and assigns a new iotag.
1491 * The function returns the allocated iotag if successful, else returns zero.
1492 * Zero is not a valid iotag.
1493 * The caller is not required to hold any lock.
1496 lpfc_sli_next_iotag(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1498 struct lpfc_iocbq
**new_arr
;
1499 struct lpfc_iocbq
**old_arr
;
1501 struct lpfc_sli
*psli
= &phba
->sli
;
1504 spin_lock_irq(&phba
->hbalock
);
1505 iotag
= psli
->last_iotag
;
1506 if(++iotag
< psli
->iocbq_lookup_len
) {
1507 psli
->last_iotag
= iotag
;
1508 psli
->iocbq_lookup
[iotag
] = iocbq
;
1509 spin_unlock_irq(&phba
->hbalock
);
1510 iocbq
->iotag
= iotag
;
1512 } else if (psli
->iocbq_lookup_len
< (0xffff
1513 - LPFC_IOCBQ_LOOKUP_INCREMENT
)) {
1514 new_len
= psli
->iocbq_lookup_len
+ LPFC_IOCBQ_LOOKUP_INCREMENT
;
1515 spin_unlock_irq(&phba
->hbalock
);
1516 new_arr
= kzalloc(new_len
* sizeof (struct lpfc_iocbq
*),
1519 spin_lock_irq(&phba
->hbalock
);
1520 old_arr
= psli
->iocbq_lookup
;
1521 if (new_len
<= psli
->iocbq_lookup_len
) {
1522 /* highly unprobable case */
1524 iotag
= psli
->last_iotag
;
1525 if(++iotag
< psli
->iocbq_lookup_len
) {
1526 psli
->last_iotag
= iotag
;
1527 psli
->iocbq_lookup
[iotag
] = iocbq
;
1528 spin_unlock_irq(&phba
->hbalock
);
1529 iocbq
->iotag
= iotag
;
1532 spin_unlock_irq(&phba
->hbalock
);
1535 if (psli
->iocbq_lookup
)
1536 memcpy(new_arr
, old_arr
,
1537 ((psli
->last_iotag
+ 1) *
1538 sizeof (struct lpfc_iocbq
*)));
1539 psli
->iocbq_lookup
= new_arr
;
1540 psli
->iocbq_lookup_len
= new_len
;
1541 psli
->last_iotag
= iotag
;
1542 psli
->iocbq_lookup
[iotag
] = iocbq
;
1543 spin_unlock_irq(&phba
->hbalock
);
1544 iocbq
->iotag
= iotag
;
1549 spin_unlock_irq(&phba
->hbalock
);
1551 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
1552 "0318 Failed to allocate IOTAG.last IOTAG is %d\n",
1559 * lpfc_sli_submit_iocb - Submit an iocb to the firmware
1560 * @phba: Pointer to HBA context object.
1561 * @pring: Pointer to driver SLI ring object.
1562 * @iocb: Pointer to iocb slot in the ring.
1563 * @nextiocb: Pointer to driver iocb object which need to be
1564 * posted to firmware.
1566 * This function is called with hbalock held to post a new iocb to
1567 * the firmware. This function copies the new iocb to ring iocb slot and
1568 * updates the ring pointers. It adds the new iocb to txcmplq if there is
1569 * a completion call back for this iocb else the function will free the
1573 lpfc_sli_submit_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
1574 IOCB_t
*iocb
, struct lpfc_iocbq
*nextiocb
)
1576 lockdep_assert_held(&phba
->hbalock
);
1580 nextiocb
->iocb
.ulpIoTag
= (nextiocb
->iocb_cmpl
) ? nextiocb
->iotag
: 0;
1583 if (pring
->ringno
== LPFC_ELS_RING
) {
1584 lpfc_debugfs_slow_ring_trc(phba
,
1585 "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x",
1586 *(((uint32_t *) &nextiocb
->iocb
) + 4),
1587 *(((uint32_t *) &nextiocb
->iocb
) + 6),
1588 *(((uint32_t *) &nextiocb
->iocb
) + 7));
1592 * Issue iocb command to adapter
1594 lpfc_sli_pcimem_bcopy(&nextiocb
->iocb
, iocb
, phba
->iocb_cmd_size
);
1596 pring
->stats
.iocb_cmd
++;
1599 * If there is no completion routine to call, we can release the
1600 * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF,
1601 * that have no rsp ring completion, iocb_cmpl MUST be NULL.
1603 if (nextiocb
->iocb_cmpl
)
1604 lpfc_sli_ringtxcmpl_put(phba
, pring
, nextiocb
);
1606 __lpfc_sli_release_iocbq(phba
, nextiocb
);
1609 * Let the HBA know what IOCB slot will be the next one the
1610 * driver will put a command into.
1612 pring
->sli
.sli3
.cmdidx
= pring
->sli
.sli3
.next_cmdidx
;
1613 writel(pring
->sli
.sli3
.cmdidx
, &phba
->host_gp
[pring
->ringno
].cmdPutInx
);
1617 * lpfc_sli_update_full_ring - Update the chip attention register
1618 * @phba: Pointer to HBA context object.
1619 * @pring: Pointer to driver SLI ring object.
1621 * The caller is not required to hold any lock for calling this function.
1622 * This function updates the chip attention bits for the ring to inform firmware
1623 * that there are pending work to be done for this ring and requests an
1624 * interrupt when there is space available in the ring. This function is
1625 * called when the driver is unable to post more iocbs to the ring due
1626 * to unavailability of space in the ring.
1629 lpfc_sli_update_full_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1631 int ringno
= pring
->ringno
;
1633 pring
->flag
|= LPFC_CALL_RING_AVAILABLE
;
1638 * Set ring 'ringno' to SET R0CE_REQ in Chip Att register.
1639 * The HBA will tell us when an IOCB entry is available.
1641 writel((CA_R0ATT
|CA_R0CE_REQ
) << (ringno
*4), phba
->CAregaddr
);
1642 readl(phba
->CAregaddr
); /* flush */
1644 pring
->stats
.iocb_cmd_full
++;
1648 * lpfc_sli_update_ring - Update chip attention register
1649 * @phba: Pointer to HBA context object.
1650 * @pring: Pointer to driver SLI ring object.
1652 * This function updates the chip attention register bit for the
1653 * given ring to inform HBA that there is more work to be done
1654 * in this ring. The caller is not required to hold any lock.
1657 lpfc_sli_update_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1659 int ringno
= pring
->ringno
;
1662 * Tell the HBA that there is work to do in this ring.
1664 if (!(phba
->sli3_options
& LPFC_SLI3_CRP_ENABLED
)) {
1666 writel(CA_R0ATT
<< (ringno
* 4), phba
->CAregaddr
);
1667 readl(phba
->CAregaddr
); /* flush */
1672 * lpfc_sli_resume_iocb - Process iocbs in the txq
1673 * @phba: Pointer to HBA context object.
1674 * @pring: Pointer to driver SLI ring object.
1676 * This function is called with hbalock held to post pending iocbs
1677 * in the txq to the firmware. This function is called when driver
1678 * detects space available in the ring.
1681 lpfc_sli_resume_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1684 struct lpfc_iocbq
*nextiocb
;
1686 lockdep_assert_held(&phba
->hbalock
);
1690 * (a) there is anything on the txq to send
1692 * (c) link attention events can be processed (fcp ring only)
1693 * (d) IOCB processing is not blocked by the outstanding mbox command.
1696 if (lpfc_is_link_up(phba
) &&
1697 (!list_empty(&pring
->txq
)) &&
1698 (pring
->ringno
!= LPFC_FCP_RING
||
1699 phba
->sli
.sli_flag
& LPFC_PROCESS_LA
)) {
1701 while ((iocb
= lpfc_sli_next_iocb_slot(phba
, pring
)) &&
1702 (nextiocb
= lpfc_sli_ringtx_get(phba
, pring
)))
1703 lpfc_sli_submit_iocb(phba
, pring
, iocb
, nextiocb
);
1706 lpfc_sli_update_ring(phba
, pring
);
1708 lpfc_sli_update_full_ring(phba
, pring
);
1715 * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ
1716 * @phba: Pointer to HBA context object.
1717 * @hbqno: HBQ number.
1719 * This function is called with hbalock held to get the next
1720 * available slot for the given HBQ. If there is free slot
1721 * available for the HBQ it will return pointer to the next available
1722 * HBQ entry else it will return NULL.
1724 static struct lpfc_hbq_entry
*
1725 lpfc_sli_next_hbq_slot(struct lpfc_hba
*phba
, uint32_t hbqno
)
1727 struct hbq_s
*hbqp
= &phba
->hbqs
[hbqno
];
1729 lockdep_assert_held(&phba
->hbalock
);
1731 if (hbqp
->next_hbqPutIdx
== hbqp
->hbqPutIdx
&&
1732 ++hbqp
->next_hbqPutIdx
>= hbqp
->entry_count
)
1733 hbqp
->next_hbqPutIdx
= 0;
1735 if (unlikely(hbqp
->local_hbqGetIdx
== hbqp
->next_hbqPutIdx
)) {
1736 uint32_t raw_index
= phba
->hbq_get
[hbqno
];
1737 uint32_t getidx
= le32_to_cpu(raw_index
);
1739 hbqp
->local_hbqGetIdx
= getidx
;
1741 if (unlikely(hbqp
->local_hbqGetIdx
>= hbqp
->entry_count
)) {
1742 lpfc_printf_log(phba
, KERN_ERR
,
1743 LOG_SLI
| LOG_VPORT
,
1744 "1802 HBQ %d: local_hbqGetIdx "
1745 "%u is > than hbqp->entry_count %u\n",
1746 hbqno
, hbqp
->local_hbqGetIdx
,
1749 phba
->link_state
= LPFC_HBA_ERROR
;
1753 if (hbqp
->local_hbqGetIdx
== hbqp
->next_hbqPutIdx
)
1757 return (struct lpfc_hbq_entry
*) phba
->hbqs
[hbqno
].hbq_virt
+
1762 * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers
1763 * @phba: Pointer to HBA context object.
1765 * This function is called with no lock held to free all the
1766 * hbq buffers while uninitializing the SLI interface. It also
1767 * frees the HBQ buffers returned by the firmware but not yet
1768 * processed by the upper layers.
1771 lpfc_sli_hbqbuf_free_all(struct lpfc_hba
*phba
)
1773 struct lpfc_dmabuf
*dmabuf
, *next_dmabuf
;
1774 struct hbq_dmabuf
*hbq_buf
;
1775 unsigned long flags
;
1778 hbq_count
= lpfc_sli_hbq_count();
1779 /* Return all memory used by all HBQs */
1780 spin_lock_irqsave(&phba
->hbalock
, flags
);
1781 for (i
= 0; i
< hbq_count
; ++i
) {
1782 list_for_each_entry_safe(dmabuf
, next_dmabuf
,
1783 &phba
->hbqs
[i
].hbq_buffer_list
, list
) {
1784 hbq_buf
= container_of(dmabuf
, struct hbq_dmabuf
, dbuf
);
1785 list_del(&hbq_buf
->dbuf
.list
);
1786 (phba
->hbqs
[i
].hbq_free_buffer
)(phba
, hbq_buf
);
1788 phba
->hbqs
[i
].buffer_count
= 0;
1791 /* Mark the HBQs not in use */
1792 phba
->hbq_in_use
= 0;
1793 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1797 * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware
1798 * @phba: Pointer to HBA context object.
1799 * @hbqno: HBQ number.
1800 * @hbq_buf: Pointer to HBQ buffer.
1802 * This function is called with the hbalock held to post a
1803 * hbq buffer to the firmware. If the function finds an empty
1804 * slot in the HBQ, it will post the buffer. The function will return
1805 * pointer to the hbq entry if it successfully post the buffer
1806 * else it will return NULL.
1809 lpfc_sli_hbq_to_firmware(struct lpfc_hba
*phba
, uint32_t hbqno
,
1810 struct hbq_dmabuf
*hbq_buf
)
1812 lockdep_assert_held(&phba
->hbalock
);
1813 return phba
->lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buf
);
1817 * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware
1818 * @phba: Pointer to HBA context object.
1819 * @hbqno: HBQ number.
1820 * @hbq_buf: Pointer to HBQ buffer.
1822 * This function is called with the hbalock held to post a hbq buffer to the
1823 * firmware. If the function finds an empty slot in the HBQ, it will post the
1824 * buffer and place it on the hbq_buffer_list. The function will return zero if
1825 * it successfully post the buffer else it will return an error.
1828 lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba
*phba
, uint32_t hbqno
,
1829 struct hbq_dmabuf
*hbq_buf
)
1831 struct lpfc_hbq_entry
*hbqe
;
1832 dma_addr_t physaddr
= hbq_buf
->dbuf
.phys
;
1834 lockdep_assert_held(&phba
->hbalock
);
1835 /* Get next HBQ entry slot to use */
1836 hbqe
= lpfc_sli_next_hbq_slot(phba
, hbqno
);
1838 struct hbq_s
*hbqp
= &phba
->hbqs
[hbqno
];
1840 hbqe
->bde
.addrHigh
= le32_to_cpu(putPaddrHigh(physaddr
));
1841 hbqe
->bde
.addrLow
= le32_to_cpu(putPaddrLow(physaddr
));
1842 hbqe
->bde
.tus
.f
.bdeSize
= hbq_buf
->total_size
;
1843 hbqe
->bde
.tus
.f
.bdeFlags
= 0;
1844 hbqe
->bde
.tus
.w
= le32_to_cpu(hbqe
->bde
.tus
.w
);
1845 hbqe
->buffer_tag
= le32_to_cpu(hbq_buf
->tag
);
1847 hbqp
->hbqPutIdx
= hbqp
->next_hbqPutIdx
;
1848 writel(hbqp
->hbqPutIdx
, phba
->hbq_put
+ hbqno
);
1850 readl(phba
->hbq_put
+ hbqno
);
1851 list_add_tail(&hbq_buf
->dbuf
.list
, &hbqp
->hbq_buffer_list
);
1858 * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware
1859 * @phba: Pointer to HBA context object.
1860 * @hbqno: HBQ number.
1861 * @hbq_buf: Pointer to HBQ buffer.
1863 * This function is called with the hbalock held to post an RQE to the SLI4
1864 * firmware. If able to post the RQE to the RQ it will queue the hbq entry to
1865 * the hbq_buffer_list and return zero, otherwise it will return an error.
1868 lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba
*phba
, uint32_t hbqno
,
1869 struct hbq_dmabuf
*hbq_buf
)
1872 struct lpfc_rqe hrqe
;
1873 struct lpfc_rqe drqe
;
1874 struct lpfc_queue
*hrq
;
1875 struct lpfc_queue
*drq
;
1877 if (hbqno
!= LPFC_ELS_HBQ
)
1879 hrq
= phba
->sli4_hba
.hdr_rq
;
1880 drq
= phba
->sli4_hba
.dat_rq
;
1882 lockdep_assert_held(&phba
->hbalock
);
1883 hrqe
.address_lo
= putPaddrLow(hbq_buf
->hbuf
.phys
);
1884 hrqe
.address_hi
= putPaddrHigh(hbq_buf
->hbuf
.phys
);
1885 drqe
.address_lo
= putPaddrLow(hbq_buf
->dbuf
.phys
);
1886 drqe
.address_hi
= putPaddrHigh(hbq_buf
->dbuf
.phys
);
1887 rc
= lpfc_sli4_rq_put(hrq
, drq
, &hrqe
, &drqe
);
1890 hbq_buf
->tag
= (rc
| (hbqno
<< 16));
1891 list_add_tail(&hbq_buf
->dbuf
.list
, &phba
->hbqs
[hbqno
].hbq_buffer_list
);
1895 /* HBQ for ELS and CT traffic. */
1896 static struct lpfc_hbq_init lpfc_els_hbq
= {
1901 .ring_mask
= (1 << LPFC_ELS_RING
),
1908 struct lpfc_hbq_init
*lpfc_hbq_defs
[] = {
1913 * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ
1914 * @phba: Pointer to HBA context object.
1915 * @hbqno: HBQ number.
1916 * @count: Number of HBQ buffers to be posted.
1918 * This function is called with no lock held to post more hbq buffers to the
1919 * given HBQ. The function returns the number of HBQ buffers successfully
1923 lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba
*phba
, uint32_t hbqno
, uint32_t count
)
1925 uint32_t i
, posted
= 0;
1926 unsigned long flags
;
1927 struct hbq_dmabuf
*hbq_buffer
;
1928 LIST_HEAD(hbq_buf_list
);
1929 if (!phba
->hbqs
[hbqno
].hbq_alloc_buffer
)
1932 if ((phba
->hbqs
[hbqno
].buffer_count
+ count
) >
1933 lpfc_hbq_defs
[hbqno
]->entry_count
)
1934 count
= lpfc_hbq_defs
[hbqno
]->entry_count
-
1935 phba
->hbqs
[hbqno
].buffer_count
;
1938 /* Allocate HBQ entries */
1939 for (i
= 0; i
< count
; i
++) {
1940 hbq_buffer
= (phba
->hbqs
[hbqno
].hbq_alloc_buffer
)(phba
);
1943 list_add_tail(&hbq_buffer
->dbuf
.list
, &hbq_buf_list
);
1945 /* Check whether HBQ is still in use */
1946 spin_lock_irqsave(&phba
->hbalock
, flags
);
1947 if (!phba
->hbq_in_use
)
1949 while (!list_empty(&hbq_buf_list
)) {
1950 list_remove_head(&hbq_buf_list
, hbq_buffer
, struct hbq_dmabuf
,
1952 hbq_buffer
->tag
= (phba
->hbqs
[hbqno
].buffer_count
|
1954 if (!lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buffer
)) {
1955 phba
->hbqs
[hbqno
].buffer_count
++;
1958 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
1960 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1963 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1964 while (!list_empty(&hbq_buf_list
)) {
1965 list_remove_head(&hbq_buf_list
, hbq_buffer
, struct hbq_dmabuf
,
1967 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
1973 * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware
1974 * @phba: Pointer to HBA context object.
1977 * This function posts more buffers to the HBQ. This function
1978 * is called with no lock held. The function returns the number of HBQ entries
1979 * successfully allocated.
1982 lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba
*phba
, uint32_t qno
)
1984 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1987 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
1988 lpfc_hbq_defs
[qno
]->add_count
);
1992 * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ
1993 * @phba: Pointer to HBA context object.
1994 * @qno: HBQ queue number.
1996 * This function is called from SLI initialization code path with
1997 * no lock held to post initial HBQ buffers to firmware. The
1998 * function returns the number of HBQ entries successfully allocated.
2001 lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba
*phba
, uint32_t qno
)
2003 if (phba
->sli_rev
== LPFC_SLI_REV4
)
2004 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
2005 lpfc_hbq_defs
[qno
]->entry_count
);
2007 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
2008 lpfc_hbq_defs
[qno
]->init_count
);
2012 * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list
2013 * @phba: Pointer to HBA context object.
2014 * @hbqno: HBQ number.
2016 * This function removes the first hbq buffer on an hbq list and returns a
2017 * pointer to that buffer. If it finds no buffers on the list it returns NULL.
2019 static struct hbq_dmabuf
*
2020 lpfc_sli_hbqbuf_get(struct list_head
*rb_list
)
2022 struct lpfc_dmabuf
*d_buf
;
2024 list_remove_head(rb_list
, d_buf
, struct lpfc_dmabuf
, list
);
2027 return container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
2031 * lpfc_sli_rqbuf_get - Remove the first dma buffer off of an RQ list
2032 * @phba: Pointer to HBA context object.
2033 * @hbqno: HBQ number.
2035 * This function removes the first RQ buffer on an RQ buffer list and returns a
2036 * pointer to that buffer. If it finds no buffers on the list it returns NULL.
2038 static struct rqb_dmabuf
*
2039 lpfc_sli_rqbuf_get(struct lpfc_hba
*phba
, struct lpfc_queue
*hrq
)
2041 struct lpfc_dmabuf
*h_buf
;
2042 struct lpfc_rqb
*rqbp
;
2045 list_remove_head(&rqbp
->rqb_buffer_list
, h_buf
,
2046 struct lpfc_dmabuf
, list
);
2049 rqbp
->buffer_count
--;
2050 return container_of(h_buf
, struct rqb_dmabuf
, hbuf
);
2054 * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag
2055 * @phba: Pointer to HBA context object.
2056 * @tag: Tag of the hbq buffer.
2058 * This function searches for the hbq buffer associated with the given tag in
2059 * the hbq buffer list. If it finds the hbq buffer, it returns the hbq_buffer
2060 * otherwise it returns NULL.
2062 static struct hbq_dmabuf
*
2063 lpfc_sli_hbqbuf_find(struct lpfc_hba
*phba
, uint32_t tag
)
2065 struct lpfc_dmabuf
*d_buf
;
2066 struct hbq_dmabuf
*hbq_buf
;
2070 if (hbqno
>= LPFC_MAX_HBQS
)
2073 spin_lock_irq(&phba
->hbalock
);
2074 list_for_each_entry(d_buf
, &phba
->hbqs
[hbqno
].hbq_buffer_list
, list
) {
2075 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
2076 if (hbq_buf
->tag
== tag
) {
2077 spin_unlock_irq(&phba
->hbalock
);
2081 spin_unlock_irq(&phba
->hbalock
);
2082 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
| LOG_VPORT
,
2083 "1803 Bad hbq tag. Data: x%x x%x\n",
2084 tag
, phba
->hbqs
[tag
>> 16].buffer_count
);
2089 * lpfc_sli_free_hbq - Give back the hbq buffer to firmware
2090 * @phba: Pointer to HBA context object.
2091 * @hbq_buffer: Pointer to HBQ buffer.
2093 * This function is called with hbalock. This function gives back
2094 * the hbq buffer to firmware. If the HBQ does not have space to
2095 * post the buffer, it will free the buffer.
2098 lpfc_sli_free_hbq(struct lpfc_hba
*phba
, struct hbq_dmabuf
*hbq_buffer
)
2103 hbqno
= hbq_buffer
->tag
>> 16;
2104 if (lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buffer
))
2105 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
2110 * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox
2111 * @mbxCommand: mailbox command code.
2113 * This function is called by the mailbox event handler function to verify
2114 * that the completed mailbox command is a legitimate mailbox command. If the
2115 * completed mailbox is not known to the function, it will return MBX_SHUTDOWN
2116 * and the mailbox event handler will take the HBA offline.
2119 lpfc_sli_chk_mbx_command(uint8_t mbxCommand
)
2123 switch (mbxCommand
) {
2127 case MBX_WRITE_VPARMS
:
2128 case MBX_RUN_BIU_DIAG
:
2131 case MBX_CONFIG_LINK
:
2132 case MBX_CONFIG_RING
:
2133 case MBX_RESET_RING
:
2134 case MBX_READ_CONFIG
:
2135 case MBX_READ_RCONFIG
:
2136 case MBX_READ_SPARM
:
2137 case MBX_READ_STATUS
:
2141 case MBX_READ_LNK_STAT
:
2143 case MBX_UNREG_LOGIN
:
2145 case MBX_DUMP_MEMORY
:
2146 case MBX_DUMP_CONTEXT
:
2149 case MBX_UPDATE_CFG
:
2151 case MBX_DEL_LD_ENTRY
:
2152 case MBX_RUN_PROGRAM
:
2154 case MBX_SET_VARIABLE
:
2155 case MBX_UNREG_D_ID
:
2156 case MBX_KILL_BOARD
:
2157 case MBX_CONFIG_FARP
:
2160 case MBX_RUN_BIU_DIAG64
:
2161 case MBX_CONFIG_PORT
:
2162 case MBX_READ_SPARM64
:
2163 case MBX_READ_RPI64
:
2164 case MBX_REG_LOGIN64
:
2165 case MBX_READ_TOPOLOGY
:
2168 case MBX_LOAD_EXP_ROM
:
2169 case MBX_ASYNCEVT_ENABLE
:
2173 case MBX_PORT_CAPABILITIES
:
2174 case MBX_PORT_IOV_CONTROL
:
2175 case MBX_SLI4_CONFIG
:
2176 case MBX_SLI4_REQ_FTRS
:
2178 case MBX_UNREG_FCFI
:
2183 case MBX_RESUME_RPI
:
2184 case MBX_READ_EVENT_LOG_STATUS
:
2185 case MBX_READ_EVENT_LOG
:
2186 case MBX_SECURITY_MGMT
:
2188 case MBX_ACCESS_VDATA
:
2199 * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler
2200 * @phba: Pointer to HBA context object.
2201 * @pmboxq: Pointer to mailbox command.
2203 * This is completion handler function for mailbox commands issued from
2204 * lpfc_sli_issue_mbox_wait function. This function is called by the
2205 * mailbox event handler function with no lock held. This function
2206 * will wake up thread waiting on the wait queue pointed by context1
2210 lpfc_sli_wake_mbox_wait(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
2212 wait_queue_head_t
*pdone_q
;
2213 unsigned long drvr_flag
;
2216 * If pdone_q is empty, the driver thread gave up waiting and
2217 * continued running.
2219 pmboxq
->mbox_flag
|= LPFC_MBX_WAKE
;
2220 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
2221 pdone_q
= (wait_queue_head_t
*) pmboxq
->context1
;
2223 wake_up_interruptible(pdone_q
);
2224 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
2230 * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler
2231 * @phba: Pointer to HBA context object.
2232 * @pmb: Pointer to mailbox object.
2234 * This function is the default mailbox completion handler. It
2235 * frees the memory resources associated with the completed mailbox
2236 * command. If the completed command is a REG_LOGIN mailbox command,
2237 * this function will issue a UREG_LOGIN to re-claim the RPI.
2240 lpfc_sli_def_mbox_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2242 struct lpfc_vport
*vport
= pmb
->vport
;
2243 struct lpfc_dmabuf
*mp
;
2244 struct lpfc_nodelist
*ndlp
;
2245 struct Scsi_Host
*shost
;
2249 mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
2252 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2257 * If a REG_LOGIN succeeded after node is destroyed or node
2258 * is in re-discovery driver need to cleanup the RPI.
2260 if (!(phba
->pport
->load_flag
& FC_UNLOADING
) &&
2261 pmb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
&&
2262 !pmb
->u
.mb
.mbxStatus
) {
2263 rpi
= pmb
->u
.mb
.un
.varWords
[0];
2264 vpi
= pmb
->u
.mb
.un
.varRegLogin
.vpi
;
2265 lpfc_unreg_login(phba
, vpi
, rpi
, pmb
);
2267 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
2268 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
2269 if (rc
!= MBX_NOT_FINISHED
)
2273 if ((pmb
->u
.mb
.mbxCommand
== MBX_REG_VPI
) &&
2274 !(phba
->pport
->load_flag
& FC_UNLOADING
) &&
2275 !pmb
->u
.mb
.mbxStatus
) {
2276 shost
= lpfc_shost_from_vport(vport
);
2277 spin_lock_irq(shost
->host_lock
);
2278 vport
->vpi_state
|= LPFC_VPI_REGISTERED
;
2279 vport
->fc_flag
&= ~FC_VPORT_NEEDS_REG_VPI
;
2280 spin_unlock_irq(shost
->host_lock
);
2283 if (pmb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
2284 ndlp
= (struct lpfc_nodelist
*)pmb
->context2
;
2286 pmb
->context2
= NULL
;
2289 /* Check security permission status on INIT_LINK mailbox command */
2290 if ((pmb
->u
.mb
.mbxCommand
== MBX_INIT_LINK
) &&
2291 (pmb
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
2292 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
2293 "2860 SLI authentication is required "
2294 "for INIT_LINK but has not done yet\n");
2296 if (bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
) == MBX_SLI4_CONFIG
)
2297 lpfc_sli4_mbox_cmd_free(phba
, pmb
);
2299 mempool_free(pmb
, phba
->mbox_mem_pool
);
2302 * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler
2303 * @phba: Pointer to HBA context object.
2304 * @pmb: Pointer to mailbox object.
2306 * This function is the unreg rpi mailbox completion handler. It
2307 * frees the memory resources associated with the completed mailbox
2308 * command. An additional refrenece is put on the ndlp to prevent
2309 * lpfc_nlp_release from freeing the rpi bit in the bitmask before
2310 * the unreg mailbox command completes, this routine puts the
2315 lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2317 struct lpfc_vport
*vport
= pmb
->vport
;
2318 struct lpfc_nodelist
*ndlp
;
2320 ndlp
= pmb
->context1
;
2321 if (pmb
->u
.mb
.mbxCommand
== MBX_UNREG_LOGIN
) {
2322 if (phba
->sli_rev
== LPFC_SLI_REV4
&&
2323 (bf_get(lpfc_sli_intf_if_type
,
2324 &phba
->sli4_hba
.sli_intf
) ==
2325 LPFC_SLI_INTF_IF_TYPE_2
)) {
2327 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
2328 "0010 UNREG_LOGIN vpi:%x "
2329 "rpi:%x DID:%x map:%x %p\n",
2330 vport
->vpi
, ndlp
->nlp_rpi
,
2332 ndlp
->nlp_usg_map
, ndlp
);
2333 ndlp
->nlp_flag
&= ~NLP_LOGO_ACC
;
2339 mempool_free(pmb
, phba
->mbox_mem_pool
);
2343 * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware
2344 * @phba: Pointer to HBA context object.
2346 * This function is called with no lock held. This function processes all
2347 * the completed mailbox commands and gives it to upper layers. The interrupt
2348 * service routine processes mailbox completion interrupt and adds completed
2349 * mailbox commands to the mboxq_cmpl queue and signals the worker thread.
2350 * Worker thread call lpfc_sli_handle_mb_event, which will return the
2351 * completed mailbox commands in mboxq_cmpl queue to the upper layers. This
2352 * function returns the mailbox commands to the upper layer by calling the
2353 * completion handler function of each mailbox.
2356 lpfc_sli_handle_mb_event(struct lpfc_hba
*phba
)
2363 phba
->sli
.slistat
.mbox_event
++;
2365 /* Get all completed mailboxe buffers into the cmplq */
2366 spin_lock_irq(&phba
->hbalock
);
2367 list_splice_init(&phba
->sli
.mboxq_cmpl
, &cmplq
);
2368 spin_unlock_irq(&phba
->hbalock
);
2370 /* Get a Mailbox buffer to setup mailbox commands for callback */
2372 list_remove_head(&cmplq
, pmb
, LPFC_MBOXQ_t
, list
);
2378 if (pmbox
->mbxCommand
!= MBX_HEARTBEAT
) {
2380 lpfc_debugfs_disc_trc(pmb
->vport
,
2381 LPFC_DISC_TRC_MBOX_VPORT
,
2382 "MBOX cmpl vport: cmd:x%x mb:x%x x%x",
2383 (uint32_t)pmbox
->mbxCommand
,
2384 pmbox
->un
.varWords
[0],
2385 pmbox
->un
.varWords
[1]);
2388 lpfc_debugfs_disc_trc(phba
->pport
,
2390 "MBOX cmpl: cmd:x%x mb:x%x x%x",
2391 (uint32_t)pmbox
->mbxCommand
,
2392 pmbox
->un
.varWords
[0],
2393 pmbox
->un
.varWords
[1]);
2398 * It is a fatal error if unknown mbox command completion.
2400 if (lpfc_sli_chk_mbx_command(pmbox
->mbxCommand
) ==
2402 /* Unknown mailbox command compl */
2403 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
2404 "(%d):0323 Unknown Mailbox command "
2405 "x%x (x%x/x%x) Cmpl\n",
2406 pmb
->vport
? pmb
->vport
->vpi
: 0,
2408 lpfc_sli_config_mbox_subsys_get(phba
,
2410 lpfc_sli_config_mbox_opcode_get(phba
,
2412 phba
->link_state
= LPFC_HBA_ERROR
;
2413 phba
->work_hs
= HS_FFER3
;
2414 lpfc_handle_eratt(phba
);
2418 if (pmbox
->mbxStatus
) {
2419 phba
->sli
.slistat
.mbox_stat_err
++;
2420 if (pmbox
->mbxStatus
== MBXERR_NO_RESOURCES
) {
2421 /* Mbox cmd cmpl error - RETRYing */
2422 lpfc_printf_log(phba
, KERN_INFO
,
2424 "(%d):0305 Mbox cmd cmpl "
2425 "error - RETRYing Data: x%x "
2426 "(x%x/x%x) x%x x%x x%x\n",
2427 pmb
->vport
? pmb
->vport
->vpi
: 0,
2429 lpfc_sli_config_mbox_subsys_get(phba
,
2431 lpfc_sli_config_mbox_opcode_get(phba
,
2434 pmbox
->un
.varWords
[0],
2435 pmb
->vport
->port_state
);
2436 pmbox
->mbxStatus
= 0;
2437 pmbox
->mbxOwner
= OWN_HOST
;
2438 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
2439 if (rc
!= MBX_NOT_FINISHED
)
2444 /* Mailbox cmd <cmd> Cmpl <cmpl> */
2445 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
2446 "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p "
2447 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x "
2449 pmb
->vport
? pmb
->vport
->vpi
: 0,
2451 lpfc_sli_config_mbox_subsys_get(phba
, pmb
),
2452 lpfc_sli_config_mbox_opcode_get(phba
, pmb
),
2454 *((uint32_t *) pmbox
),
2455 pmbox
->un
.varWords
[0],
2456 pmbox
->un
.varWords
[1],
2457 pmbox
->un
.varWords
[2],
2458 pmbox
->un
.varWords
[3],
2459 pmbox
->un
.varWords
[4],
2460 pmbox
->un
.varWords
[5],
2461 pmbox
->un
.varWords
[6],
2462 pmbox
->un
.varWords
[7],
2463 pmbox
->un
.varWords
[8],
2464 pmbox
->un
.varWords
[9],
2465 pmbox
->un
.varWords
[10]);
2468 pmb
->mbox_cmpl(phba
,pmb
);
2474 * lpfc_sli_get_buff - Get the buffer associated with the buffer tag
2475 * @phba: Pointer to HBA context object.
2476 * @pring: Pointer to driver SLI ring object.
2479 * This function is called with no lock held. When QUE_BUFTAG_BIT bit
2480 * is set in the tag the buffer is posted for a particular exchange,
2481 * the function will return the buffer without replacing the buffer.
2482 * If the buffer is for unsolicited ELS or CT traffic, this function
2483 * returns the buffer and also posts another buffer to the firmware.
2485 static struct lpfc_dmabuf
*
2486 lpfc_sli_get_buff(struct lpfc_hba
*phba
,
2487 struct lpfc_sli_ring
*pring
,
2490 struct hbq_dmabuf
*hbq_entry
;
2492 if (tag
& QUE_BUFTAG_BIT
)
2493 return lpfc_sli_ring_taggedbuf_get(phba
, pring
, tag
);
2494 hbq_entry
= lpfc_sli_hbqbuf_find(phba
, tag
);
2497 return &hbq_entry
->dbuf
;
2501 * lpfc_complete_unsol_iocb - Complete an unsolicited sequence
2502 * @phba: Pointer to HBA context object.
2503 * @pring: Pointer to driver SLI ring object.
2504 * @saveq: Pointer to the iocbq struct representing the sequence starting frame.
2505 * @fch_r_ctl: the r_ctl for the first frame of the sequence.
2506 * @fch_type: the type for the first frame of the sequence.
2508 * This function is called with no lock held. This function uses the r_ctl and
2509 * type of the received sequence to find the correct callback function to call
2510 * to process the sequence.
2513 lpfc_complete_unsol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2514 struct lpfc_iocbq
*saveq
, uint32_t fch_r_ctl
,
2521 lpfc_nvmet_unsol_ls_event(phba
, pring
, saveq
);
2527 /* unSolicited Responses */
2528 if (pring
->prt
[0].profile
) {
2529 if (pring
->prt
[0].lpfc_sli_rcv_unsol_event
)
2530 (pring
->prt
[0].lpfc_sli_rcv_unsol_event
) (phba
, pring
,
2534 /* We must search, based on rctl / type
2535 for the right routine */
2536 for (i
= 0; i
< pring
->num_mask
; i
++) {
2537 if ((pring
->prt
[i
].rctl
== fch_r_ctl
) &&
2538 (pring
->prt
[i
].type
== fch_type
)) {
2539 if (pring
->prt
[i
].lpfc_sli_rcv_unsol_event
)
2540 (pring
->prt
[i
].lpfc_sli_rcv_unsol_event
)
2541 (phba
, pring
, saveq
);
2549 * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler
2550 * @phba: Pointer to HBA context object.
2551 * @pring: Pointer to driver SLI ring object.
2552 * @saveq: Pointer to the unsolicited iocb.
2554 * This function is called with no lock held by the ring event handler
2555 * when there is an unsolicited iocb posted to the response ring by the
2556 * firmware. This function gets the buffer associated with the iocbs
2557 * and calls the event handler for the ring. This function handles both
2558 * qring buffers and hbq buffers.
2559 * When the function returns 1 the caller can free the iocb object otherwise
2560 * upper layer functions will free the iocb objects.
2563 lpfc_sli_process_unsol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2564 struct lpfc_iocbq
*saveq
)
2568 uint32_t Rctl
, Type
;
2569 struct lpfc_iocbq
*iocbq
;
2570 struct lpfc_dmabuf
*dmzbuf
;
2572 irsp
= &(saveq
->iocb
);
2574 if (irsp
->ulpCommand
== CMD_ASYNC_STATUS
) {
2575 if (pring
->lpfc_sli_rcv_async_status
)
2576 pring
->lpfc_sli_rcv_async_status(phba
, pring
, saveq
);
2578 lpfc_printf_log(phba
,
2581 "0316 Ring %d handler: unexpected "
2582 "ASYNC_STATUS iocb received evt_code "
2585 irsp
->un
.asyncstat
.evt_code
);
2589 if ((irsp
->ulpCommand
== CMD_IOCB_RET_XRI64_CX
) &&
2590 (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)) {
2591 if (irsp
->ulpBdeCount
> 0) {
2592 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2593 irsp
->un
.ulpWord
[3]);
2594 lpfc_in_buf_free(phba
, dmzbuf
);
2597 if (irsp
->ulpBdeCount
> 1) {
2598 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2599 irsp
->unsli3
.sli3Words
[3]);
2600 lpfc_in_buf_free(phba
, dmzbuf
);
2603 if (irsp
->ulpBdeCount
> 2) {
2604 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2605 irsp
->unsli3
.sli3Words
[7]);
2606 lpfc_in_buf_free(phba
, dmzbuf
);
2612 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
) {
2613 if (irsp
->ulpBdeCount
!= 0) {
2614 saveq
->context2
= lpfc_sli_get_buff(phba
, pring
,
2615 irsp
->un
.ulpWord
[3]);
2616 if (!saveq
->context2
)
2617 lpfc_printf_log(phba
,
2620 "0341 Ring %d Cannot find buffer for "
2621 "an unsolicited iocb. tag 0x%x\n",
2623 irsp
->un
.ulpWord
[3]);
2625 if (irsp
->ulpBdeCount
== 2) {
2626 saveq
->context3
= lpfc_sli_get_buff(phba
, pring
,
2627 irsp
->unsli3
.sli3Words
[7]);
2628 if (!saveq
->context3
)
2629 lpfc_printf_log(phba
,
2632 "0342 Ring %d Cannot find buffer for an"
2633 " unsolicited iocb. tag 0x%x\n",
2635 irsp
->unsli3
.sli3Words
[7]);
2637 list_for_each_entry(iocbq
, &saveq
->list
, list
) {
2638 irsp
= &(iocbq
->iocb
);
2639 if (irsp
->ulpBdeCount
!= 0) {
2640 iocbq
->context2
= lpfc_sli_get_buff(phba
, pring
,
2641 irsp
->un
.ulpWord
[3]);
2642 if (!iocbq
->context2
)
2643 lpfc_printf_log(phba
,
2646 "0343 Ring %d Cannot find "
2647 "buffer for an unsolicited iocb"
2648 ". tag 0x%x\n", pring
->ringno
,
2649 irsp
->un
.ulpWord
[3]);
2651 if (irsp
->ulpBdeCount
== 2) {
2652 iocbq
->context3
= lpfc_sli_get_buff(phba
, pring
,
2653 irsp
->unsli3
.sli3Words
[7]);
2654 if (!iocbq
->context3
)
2655 lpfc_printf_log(phba
,
2658 "0344 Ring %d Cannot find "
2659 "buffer for an unsolicited "
2662 irsp
->unsli3
.sli3Words
[7]);
2666 if (irsp
->ulpBdeCount
!= 0 &&
2667 (irsp
->ulpCommand
== CMD_IOCB_RCV_CONT64_CX
||
2668 irsp
->ulpStatus
== IOSTAT_INTERMED_RSP
)) {
2671 /* search continue save q for same XRI */
2672 list_for_each_entry(iocbq
, &pring
->iocb_continue_saveq
, clist
) {
2673 if (iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
==
2674 saveq
->iocb
.unsli3
.rcvsli3
.ox_id
) {
2675 list_add_tail(&saveq
->list
, &iocbq
->list
);
2681 list_add_tail(&saveq
->clist
,
2682 &pring
->iocb_continue_saveq
);
2683 if (saveq
->iocb
.ulpStatus
!= IOSTAT_INTERMED_RSP
) {
2684 list_del_init(&iocbq
->clist
);
2686 irsp
= &(saveq
->iocb
);
2690 if ((irsp
->ulpCommand
== CMD_RCV_ELS_REQ64_CX
) ||
2691 (irsp
->ulpCommand
== CMD_RCV_ELS_REQ_CX
) ||
2692 (irsp
->ulpCommand
== CMD_IOCB_RCV_ELS64_CX
)) {
2693 Rctl
= FC_RCTL_ELS_REQ
;
2696 w5p
= (WORD5
*)&(saveq
->iocb
.un
.ulpWord
[5]);
2697 Rctl
= w5p
->hcsw
.Rctl
;
2698 Type
= w5p
->hcsw
.Type
;
2700 /* Firmware Workaround */
2701 if ((Rctl
== 0) && (pring
->ringno
== LPFC_ELS_RING
) &&
2702 (irsp
->ulpCommand
== CMD_RCV_SEQUENCE64_CX
||
2703 irsp
->ulpCommand
== CMD_IOCB_RCV_SEQ64_CX
)) {
2704 Rctl
= FC_RCTL_ELS_REQ
;
2706 w5p
->hcsw
.Rctl
= Rctl
;
2707 w5p
->hcsw
.Type
= Type
;
2711 if (!lpfc_complete_unsol_iocb(phba
, pring
, saveq
, Rctl
, Type
))
2712 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2713 "0313 Ring %d handler: unexpected Rctl x%x "
2714 "Type x%x received\n",
2715 pring
->ringno
, Rctl
, Type
);
2721 * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb
2722 * @phba: Pointer to HBA context object.
2723 * @pring: Pointer to driver SLI ring object.
2724 * @prspiocb: Pointer to response iocb object.
2726 * This function looks up the iocb_lookup table to get the command iocb
2727 * corresponding to the given response iocb using the iotag of the
2728 * response iocb. This function is called with the hbalock held.
2729 * This function returns the command iocb object if it finds the command
2730 * iocb else returns NULL.
2732 static struct lpfc_iocbq
*
2733 lpfc_sli_iocbq_lookup(struct lpfc_hba
*phba
,
2734 struct lpfc_sli_ring
*pring
,
2735 struct lpfc_iocbq
*prspiocb
)
2737 struct lpfc_iocbq
*cmd_iocb
= NULL
;
2739 lockdep_assert_held(&phba
->hbalock
);
2741 iotag
= prspiocb
->iocb
.ulpIoTag
;
2743 if (iotag
!= 0 && iotag
<= phba
->sli
.last_iotag
) {
2744 cmd_iocb
= phba
->sli
.iocbq_lookup
[iotag
];
2745 if (cmd_iocb
->iocb_flag
& LPFC_IO_ON_TXCMPLQ
) {
2746 /* remove from txcmpl queue list */
2747 list_del_init(&cmd_iocb
->list
);
2748 cmd_iocb
->iocb_flag
&= ~LPFC_IO_ON_TXCMPLQ
;
2753 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2754 "0317 iotag x%x is out of "
2755 "range: max iotag x%x wd0 x%x\n",
2756 iotag
, phba
->sli
.last_iotag
,
2757 *(((uint32_t *) &prspiocb
->iocb
) + 7));
2762 * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag
2763 * @phba: Pointer to HBA context object.
2764 * @pring: Pointer to driver SLI ring object.
2767 * This function looks up the iocb_lookup table to get the command iocb
2768 * corresponding to the given iotag. This function is called with the
2770 * This function returns the command iocb object if it finds the command
2771 * iocb else returns NULL.
2773 static struct lpfc_iocbq
*
2774 lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba
*phba
,
2775 struct lpfc_sli_ring
*pring
, uint16_t iotag
)
2777 struct lpfc_iocbq
*cmd_iocb
= NULL
;
2779 lockdep_assert_held(&phba
->hbalock
);
2780 if (iotag
!= 0 && iotag
<= phba
->sli
.last_iotag
) {
2781 cmd_iocb
= phba
->sli
.iocbq_lookup
[iotag
];
2782 if (cmd_iocb
->iocb_flag
& LPFC_IO_ON_TXCMPLQ
) {
2783 /* remove from txcmpl queue list */
2784 list_del_init(&cmd_iocb
->list
);
2785 cmd_iocb
->iocb_flag
&= ~LPFC_IO_ON_TXCMPLQ
;
2790 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2791 "0372 iotag x%x lookup error: max iotag (x%x) "
2793 iotag
, phba
->sli
.last_iotag
,
2794 cmd_iocb
? cmd_iocb
->iocb_flag
: 0xffff);
2799 * lpfc_sli_process_sol_iocb - process solicited iocb completion
2800 * @phba: Pointer to HBA context object.
2801 * @pring: Pointer to driver SLI ring object.
2802 * @saveq: Pointer to the response iocb to be processed.
2804 * This function is called by the ring event handler for non-fcp
2805 * rings when there is a new response iocb in the response ring.
2806 * The caller is not required to hold any locks. This function
2807 * gets the command iocb associated with the response iocb and
2808 * calls the completion handler for the command iocb. If there
2809 * is no completion handler, the function will free the resources
2810 * associated with command iocb. If the response iocb is for
2811 * an already aborted command iocb, the status of the completion
2812 * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED.
2813 * This function always returns 1.
2816 lpfc_sli_process_sol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2817 struct lpfc_iocbq
*saveq
)
2819 struct lpfc_iocbq
*cmdiocbp
;
2821 unsigned long iflag
;
2823 /* Based on the iotag field, get the cmd IOCB from the txcmplq */
2824 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2825 cmdiocbp
= lpfc_sli_iocbq_lookup(phba
, pring
, saveq
);
2826 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2829 if (cmdiocbp
->iocb_cmpl
) {
2831 * If an ELS command failed send an event to mgmt
2834 if (saveq
->iocb
.ulpStatus
&&
2835 (pring
->ringno
== LPFC_ELS_RING
) &&
2836 (cmdiocbp
->iocb
.ulpCommand
==
2837 CMD_ELS_REQUEST64_CR
))
2838 lpfc_send_els_failure_event(phba
,
2842 * Post all ELS completions to the worker thread.
2843 * All other are passed to the completion callback.
2845 if (pring
->ringno
== LPFC_ELS_RING
) {
2846 if ((phba
->sli_rev
< LPFC_SLI_REV4
) &&
2847 (cmdiocbp
->iocb_flag
&
2848 LPFC_DRIVER_ABORTED
)) {
2849 spin_lock_irqsave(&phba
->hbalock
,
2851 cmdiocbp
->iocb_flag
&=
2852 ~LPFC_DRIVER_ABORTED
;
2853 spin_unlock_irqrestore(&phba
->hbalock
,
2855 saveq
->iocb
.ulpStatus
=
2856 IOSTAT_LOCAL_REJECT
;
2857 saveq
->iocb
.un
.ulpWord
[4] =
2860 /* Firmware could still be in progress
2861 * of DMAing payload, so don't free data
2862 * buffer till after a hbeat.
2864 spin_lock_irqsave(&phba
->hbalock
,
2866 saveq
->iocb_flag
|= LPFC_DELAY_MEM_FREE
;
2867 spin_unlock_irqrestore(&phba
->hbalock
,
2870 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2871 if (saveq
->iocb_flag
&
2872 LPFC_EXCHANGE_BUSY
) {
2873 /* Set cmdiocb flag for the
2874 * exchange busy so sgl (xri)
2875 * will not be released until
2876 * the abort xri is received
2880 &phba
->hbalock
, iflag
);
2881 cmdiocbp
->iocb_flag
|=
2883 spin_unlock_irqrestore(
2884 &phba
->hbalock
, iflag
);
2886 if (cmdiocbp
->iocb_flag
&
2887 LPFC_DRIVER_ABORTED
) {
2889 * Clear LPFC_DRIVER_ABORTED
2890 * bit in case it was driver
2894 &phba
->hbalock
, iflag
);
2895 cmdiocbp
->iocb_flag
&=
2896 ~LPFC_DRIVER_ABORTED
;
2897 spin_unlock_irqrestore(
2898 &phba
->hbalock
, iflag
);
2899 cmdiocbp
->iocb
.ulpStatus
=
2900 IOSTAT_LOCAL_REJECT
;
2901 cmdiocbp
->iocb
.un
.ulpWord
[4] =
2902 IOERR_ABORT_REQUESTED
;
2904 * For SLI4, irsiocb contains
2905 * NO_XRI in sli_xritag, it
2906 * shall not affect releasing
2907 * sgl (xri) process.
2909 saveq
->iocb
.ulpStatus
=
2910 IOSTAT_LOCAL_REJECT
;
2911 saveq
->iocb
.un
.ulpWord
[4] =
2914 &phba
->hbalock
, iflag
);
2916 LPFC_DELAY_MEM_FREE
;
2917 spin_unlock_irqrestore(
2918 &phba
->hbalock
, iflag
);
2922 (cmdiocbp
->iocb_cmpl
) (phba
, cmdiocbp
, saveq
);
2924 lpfc_sli_release_iocbq(phba
, cmdiocbp
);
2927 * Unknown initiating command based on the response iotag.
2928 * This could be the case on the ELS ring because of
2931 if (pring
->ringno
!= LPFC_ELS_RING
) {
2933 * Ring <ringno> handler: unexpected completion IoTag
2936 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2937 "0322 Ring %d handler: "
2938 "unexpected completion IoTag x%x "
2939 "Data: x%x x%x x%x x%x\n",
2941 saveq
->iocb
.ulpIoTag
,
2942 saveq
->iocb
.ulpStatus
,
2943 saveq
->iocb
.un
.ulpWord
[4],
2944 saveq
->iocb
.ulpCommand
,
2945 saveq
->iocb
.ulpContext
);
2953 * lpfc_sli_rsp_pointers_error - Response ring pointer error handler
2954 * @phba: Pointer to HBA context object.
2955 * @pring: Pointer to driver SLI ring object.
2957 * This function is called from the iocb ring event handlers when
2958 * put pointer is ahead of the get pointer for a ring. This function signal
2959 * an error attention condition to the worker thread and the worker
2960 * thread will transition the HBA to offline state.
2963 lpfc_sli_rsp_pointers_error(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
2965 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
2967 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
2968 * rsp ring <portRspMax>
2970 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2971 "0312 Ring %d handler: portRspPut %d "
2972 "is bigger than rsp ring %d\n",
2973 pring
->ringno
, le32_to_cpu(pgp
->rspPutInx
),
2974 pring
->sli
.sli3
.numRiocb
);
2976 phba
->link_state
= LPFC_HBA_ERROR
;
2979 * All error attention handlers are posted to
2982 phba
->work_ha
|= HA_ERATT
;
2983 phba
->work_hs
= HS_FFER3
;
2985 lpfc_worker_wake_up(phba
);
2991 * lpfc_poll_eratt - Error attention polling timer timeout handler
2992 * @ptr: Pointer to address of HBA context object.
2994 * This function is invoked by the Error Attention polling timer when the
2995 * timer times out. It will check the SLI Error Attention register for
2996 * possible attention events. If so, it will post an Error Attention event
2997 * and wake up worker thread to process it. Otherwise, it will set up the
2998 * Error Attention polling timer for the next poll.
3000 void lpfc_poll_eratt(unsigned long ptr
)
3002 struct lpfc_hba
*phba
;
3004 uint64_t sli_intr
, cnt
;
3006 phba
= (struct lpfc_hba
*)ptr
;
3008 /* Here we will also keep track of interrupts per sec of the hba */
3009 sli_intr
= phba
->sli
.slistat
.sli_intr
;
3011 if (phba
->sli
.slistat
.sli_prev_intr
> sli_intr
)
3012 cnt
= (((uint64_t)(-1) - phba
->sli
.slistat
.sli_prev_intr
) +
3015 cnt
= (sli_intr
- phba
->sli
.slistat
.sli_prev_intr
);
3017 /* 64-bit integer division not supported on 32-bit x86 - use do_div */
3018 do_div(cnt
, phba
->eratt_poll_interval
);
3019 phba
->sli
.slistat
.sli_ips
= cnt
;
3021 phba
->sli
.slistat
.sli_prev_intr
= sli_intr
;
3023 /* Check chip HA register for error event */
3024 eratt
= lpfc_sli_check_eratt(phba
);
3027 /* Tell the worker thread there is work to do */
3028 lpfc_worker_wake_up(phba
);
3030 /* Restart the timer for next eratt poll */
3031 mod_timer(&phba
->eratt_poll
,
3033 msecs_to_jiffies(1000 * phba
->eratt_poll_interval
));
3039 * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring
3040 * @phba: Pointer to HBA context object.
3041 * @pring: Pointer to driver SLI ring object.
3042 * @mask: Host attention register mask for this ring.
3044 * This function is called from the interrupt context when there is a ring
3045 * event for the fcp ring. The caller does not hold any lock.
3046 * The function processes each response iocb in the response ring until it
3047 * finds an iocb with LE bit set and chains all the iocbs up to the iocb with
3048 * LE bit set. The function will call the completion handler of the command iocb
3049 * if the response iocb indicates a completion for a command iocb or it is
3050 * an abort completion. The function will call lpfc_sli_process_unsol_iocb
3051 * function if this is an unsolicited iocb.
3052 * This routine presumes LPFC_FCP_RING handling and doesn't bother
3053 * to check it explicitly.
3056 lpfc_sli_handle_fast_ring_event(struct lpfc_hba
*phba
,
3057 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3059 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
3060 IOCB_t
*irsp
= NULL
;
3061 IOCB_t
*entry
= NULL
;
3062 struct lpfc_iocbq
*cmdiocbq
= NULL
;
3063 struct lpfc_iocbq rspiocbq
;
3065 uint32_t portRspPut
, portRspMax
;
3067 lpfc_iocb_type type
;
3068 unsigned long iflag
;
3069 uint32_t rsp_cmpl
= 0;
3071 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3072 pring
->stats
.iocb_event
++;
3075 * The next available response entry should never exceed the maximum
3076 * entries. If it does, treat it as an adapter hardware error.
3078 portRspMax
= pring
->sli
.sli3
.numRiocb
;
3079 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3080 if (unlikely(portRspPut
>= portRspMax
)) {
3081 lpfc_sli_rsp_pointers_error(phba
, pring
);
3082 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3085 if (phba
->fcp_ring_in_use
) {
3086 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3089 phba
->fcp_ring_in_use
= 1;
3092 while (pring
->sli
.sli3
.rspidx
!= portRspPut
) {
3094 * Fetch an entry off the ring and copy it into a local data
3095 * structure. The copy involves a byte-swap since the
3096 * network byte order and pci byte orders are different.
3098 entry
= lpfc_resp_iocb(phba
, pring
);
3099 phba
->last_completion_time
= jiffies
;
3101 if (++pring
->sli
.sli3
.rspidx
>= portRspMax
)
3102 pring
->sli
.sli3
.rspidx
= 0;
3104 lpfc_sli_pcimem_bcopy((uint32_t *) entry
,
3105 (uint32_t *) &rspiocbq
.iocb
,
3106 phba
->iocb_rsp_size
);
3107 INIT_LIST_HEAD(&(rspiocbq
.list
));
3108 irsp
= &rspiocbq
.iocb
;
3110 type
= lpfc_sli_iocb_cmd_type(irsp
->ulpCommand
& CMD_IOCB_MASK
);
3111 pring
->stats
.iocb_rsp
++;
3114 if (unlikely(irsp
->ulpStatus
)) {
3116 * If resource errors reported from HBA, reduce
3117 * queuedepths of the SCSI device.
3119 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
3120 ((irsp
->un
.ulpWord
[4] & IOERR_PARAM_MASK
) ==
3121 IOERR_NO_RESOURCES
)) {
3122 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3123 phba
->lpfc_rampdown_queue_depth(phba
);
3124 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3127 /* Rsp ring <ringno> error: IOCB */
3128 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
3129 "0336 Rsp Ring %d error: IOCB Data: "
3130 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
3132 irsp
->un
.ulpWord
[0],
3133 irsp
->un
.ulpWord
[1],
3134 irsp
->un
.ulpWord
[2],
3135 irsp
->un
.ulpWord
[3],
3136 irsp
->un
.ulpWord
[4],
3137 irsp
->un
.ulpWord
[5],
3138 *(uint32_t *)&irsp
->un1
,
3139 *((uint32_t *)&irsp
->un1
+ 1));
3143 case LPFC_ABORT_IOCB
:
3146 * Idle exchange closed via ABTS from port. No iocb
3147 * resources need to be recovered.
3149 if (unlikely(irsp
->ulpCommand
== CMD_XRI_ABORTED_CX
)) {
3150 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3151 "0333 IOCB cmd 0x%x"
3152 " processed. Skipping"
3158 cmdiocbq
= lpfc_sli_iocbq_lookup(phba
, pring
,
3160 if (unlikely(!cmdiocbq
))
3162 if (cmdiocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
)
3163 cmdiocbq
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
3164 if (cmdiocbq
->iocb_cmpl
) {
3165 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3166 (cmdiocbq
->iocb_cmpl
)(phba
, cmdiocbq
,
3168 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3171 case LPFC_UNSOL_IOCB
:
3172 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3173 lpfc_sli_process_unsol_iocb(phba
, pring
, &rspiocbq
);
3174 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3177 if (irsp
->ulpCommand
== CMD_ADAPTER_MSG
) {
3178 char adaptermsg
[LPFC_MAX_ADPTMSG
];
3179 memset(adaptermsg
, 0, LPFC_MAX_ADPTMSG
);
3180 memcpy(&adaptermsg
[0], (uint8_t *) irsp
,
3182 dev_warn(&((phba
->pcidev
)->dev
),
3184 phba
->brd_no
, adaptermsg
);
3186 /* Unknown IOCB command */
3187 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3188 "0334 Unknown IOCB command "
3189 "Data: x%x, x%x x%x x%x x%x\n",
3190 type
, irsp
->ulpCommand
,
3199 * The response IOCB has been processed. Update the ring
3200 * pointer in SLIM. If the port response put pointer has not
3201 * been updated, sync the pgp->rspPutInx and fetch the new port
3202 * response put pointer.
3204 writel(pring
->sli
.sli3
.rspidx
,
3205 &phba
->host_gp
[pring
->ringno
].rspGetInx
);
3207 if (pring
->sli
.sli3
.rspidx
== portRspPut
)
3208 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3211 if ((rsp_cmpl
> 0) && (mask
& HA_R0RE_REQ
)) {
3212 pring
->stats
.iocb_rsp_full
++;
3213 status
= ((CA_R0ATT
| CA_R0RE_RSP
) << (pring
->ringno
* 4));
3214 writel(status
, phba
->CAregaddr
);
3215 readl(phba
->CAregaddr
);
3217 if ((mask
& HA_R0CE_RSP
) && (pring
->flag
& LPFC_CALL_RING_AVAILABLE
)) {
3218 pring
->flag
&= ~LPFC_CALL_RING_AVAILABLE
;
3219 pring
->stats
.iocb_cmd_empty
++;
3221 /* Force update of the local copy of cmdGetInx */
3222 pring
->sli
.sli3
.local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
3223 lpfc_sli_resume_iocb(phba
, pring
);
3225 if ((pring
->lpfc_sli_cmd_available
))
3226 (pring
->lpfc_sli_cmd_available
) (phba
, pring
);
3230 phba
->fcp_ring_in_use
= 0;
3231 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3236 * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb
3237 * @phba: Pointer to HBA context object.
3238 * @pring: Pointer to driver SLI ring object.
3239 * @rspiocbp: Pointer to driver response IOCB object.
3241 * This function is called from the worker thread when there is a slow-path
3242 * response IOCB to process. This function chains all the response iocbs until
3243 * seeing the iocb with the LE bit set. The function will call
3244 * lpfc_sli_process_sol_iocb function if the response iocb indicates a
3245 * completion of a command iocb. The function will call the
3246 * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb.
3247 * The function frees the resources or calls the completion handler if this
3248 * iocb is an abort completion. The function returns NULL when the response
3249 * iocb has the LE bit set and all the chained iocbs are processed, otherwise
3250 * this function shall chain the iocb on to the iocb_continueq and return the
3251 * response iocb passed in.
3253 static struct lpfc_iocbq
*
3254 lpfc_sli_sp_handle_rspiocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
3255 struct lpfc_iocbq
*rspiocbp
)
3257 struct lpfc_iocbq
*saveq
;
3258 struct lpfc_iocbq
*cmdiocbp
;
3259 struct lpfc_iocbq
*next_iocb
;
3260 IOCB_t
*irsp
= NULL
;
3261 uint32_t free_saveq
;
3262 uint8_t iocb_cmd_type
;
3263 lpfc_iocb_type type
;
3264 unsigned long iflag
;
3267 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3268 /* First add the response iocb to the countinueq list */
3269 list_add_tail(&rspiocbp
->list
, &(pring
->iocb_continueq
));
3270 pring
->iocb_continueq_cnt
++;
3272 /* Now, determine whether the list is completed for processing */
3273 irsp
= &rspiocbp
->iocb
;
3276 * By default, the driver expects to free all resources
3277 * associated with this iocb completion.
3280 saveq
= list_get_first(&pring
->iocb_continueq
,
3281 struct lpfc_iocbq
, list
);
3282 irsp
= &(saveq
->iocb
);
3283 list_del_init(&pring
->iocb_continueq
);
3284 pring
->iocb_continueq_cnt
= 0;
3286 pring
->stats
.iocb_rsp
++;
3289 * If resource errors reported from HBA, reduce
3290 * queuedepths of the SCSI device.
3292 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
3293 ((irsp
->un
.ulpWord
[4] & IOERR_PARAM_MASK
) ==
3294 IOERR_NO_RESOURCES
)) {
3295 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3296 phba
->lpfc_rampdown_queue_depth(phba
);
3297 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3300 if (irsp
->ulpStatus
) {
3301 /* Rsp ring <ringno> error: IOCB */
3302 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
3303 "0328 Rsp Ring %d error: "
3308 "x%x x%x x%x x%x\n",
3310 irsp
->un
.ulpWord
[0],
3311 irsp
->un
.ulpWord
[1],
3312 irsp
->un
.ulpWord
[2],
3313 irsp
->un
.ulpWord
[3],
3314 irsp
->un
.ulpWord
[4],
3315 irsp
->un
.ulpWord
[5],
3316 *(((uint32_t *) irsp
) + 6),
3317 *(((uint32_t *) irsp
) + 7),
3318 *(((uint32_t *) irsp
) + 8),
3319 *(((uint32_t *) irsp
) + 9),
3320 *(((uint32_t *) irsp
) + 10),
3321 *(((uint32_t *) irsp
) + 11),
3322 *(((uint32_t *) irsp
) + 12),
3323 *(((uint32_t *) irsp
) + 13),
3324 *(((uint32_t *) irsp
) + 14),
3325 *(((uint32_t *) irsp
) + 15));
3329 * Fetch the IOCB command type and call the correct completion
3330 * routine. Solicited and Unsolicited IOCBs on the ELS ring
3331 * get freed back to the lpfc_iocb_list by the discovery
3334 iocb_cmd_type
= irsp
->ulpCommand
& CMD_IOCB_MASK
;
3335 type
= lpfc_sli_iocb_cmd_type(iocb_cmd_type
);
3338 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3339 rc
= lpfc_sli_process_sol_iocb(phba
, pring
, saveq
);
3340 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3343 case LPFC_UNSOL_IOCB
:
3344 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3345 rc
= lpfc_sli_process_unsol_iocb(phba
, pring
, saveq
);
3346 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3351 case LPFC_ABORT_IOCB
:
3353 if (irsp
->ulpCommand
!= CMD_XRI_ABORTED_CX
)
3354 cmdiocbp
= lpfc_sli_iocbq_lookup(phba
, pring
,
3357 /* Call the specified completion routine */
3358 if (cmdiocbp
->iocb_cmpl
) {
3359 spin_unlock_irqrestore(&phba
->hbalock
,
3361 (cmdiocbp
->iocb_cmpl
)(phba
, cmdiocbp
,
3363 spin_lock_irqsave(&phba
->hbalock
,
3366 __lpfc_sli_release_iocbq(phba
,
3371 case LPFC_UNKNOWN_IOCB
:
3372 if (irsp
->ulpCommand
== CMD_ADAPTER_MSG
) {
3373 char adaptermsg
[LPFC_MAX_ADPTMSG
];
3374 memset(adaptermsg
, 0, LPFC_MAX_ADPTMSG
);
3375 memcpy(&adaptermsg
[0], (uint8_t *)irsp
,
3377 dev_warn(&((phba
->pcidev
)->dev
),
3379 phba
->brd_no
, adaptermsg
);
3381 /* Unknown IOCB command */
3382 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3383 "0335 Unknown IOCB "
3384 "command Data: x%x "
3395 list_for_each_entry_safe(rspiocbp
, next_iocb
,
3396 &saveq
->list
, list
) {
3397 list_del_init(&rspiocbp
->list
);
3398 __lpfc_sli_release_iocbq(phba
, rspiocbp
);
3400 __lpfc_sli_release_iocbq(phba
, saveq
);
3404 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3409 * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs
3410 * @phba: Pointer to HBA context object.
3411 * @pring: Pointer to driver SLI ring object.
3412 * @mask: Host attention register mask for this ring.
3414 * This routine wraps the actual slow_ring event process routine from the
3415 * API jump table function pointer from the lpfc_hba struct.
3418 lpfc_sli_handle_slow_ring_event(struct lpfc_hba
*phba
,
3419 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3421 phba
->lpfc_sli_handle_slow_ring_event(phba
, pring
, mask
);
3425 * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings
3426 * @phba: Pointer to HBA context object.
3427 * @pring: Pointer to driver SLI ring object.
3428 * @mask: Host attention register mask for this ring.
3430 * This function is called from the worker thread when there is a ring event
3431 * for non-fcp rings. The caller does not hold any lock. The function will
3432 * remove each response iocb in the response ring and calls the handle
3433 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3436 lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba
*phba
,
3437 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3439 struct lpfc_pgp
*pgp
;
3441 IOCB_t
*irsp
= NULL
;
3442 struct lpfc_iocbq
*rspiocbp
= NULL
;
3443 uint32_t portRspPut
, portRspMax
;
3444 unsigned long iflag
;
3447 pgp
= &phba
->port_gp
[pring
->ringno
];
3448 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3449 pring
->stats
.iocb_event
++;
3452 * The next available response entry should never exceed the maximum
3453 * entries. If it does, treat it as an adapter hardware error.
3455 portRspMax
= pring
->sli
.sli3
.numRiocb
;
3456 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3457 if (portRspPut
>= portRspMax
) {
3459 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
3460 * rsp ring <portRspMax>
3462 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3463 "0303 Ring %d handler: portRspPut %d "
3464 "is bigger than rsp ring %d\n",
3465 pring
->ringno
, portRspPut
, portRspMax
);
3467 phba
->link_state
= LPFC_HBA_ERROR
;
3468 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3470 phba
->work_hs
= HS_FFER3
;
3471 lpfc_handle_eratt(phba
);
3477 while (pring
->sli
.sli3
.rspidx
!= portRspPut
) {
3479 * Build a completion list and call the appropriate handler.
3480 * The process is to get the next available response iocb, get
3481 * a free iocb from the list, copy the response data into the
3482 * free iocb, insert to the continuation list, and update the
3483 * next response index to slim. This process makes response
3484 * iocb's in the ring available to DMA as fast as possible but
3485 * pays a penalty for a copy operation. Since the iocb is
3486 * only 32 bytes, this penalty is considered small relative to
3487 * the PCI reads for register values and a slim write. When
3488 * the ulpLe field is set, the entire Command has been
3491 entry
= lpfc_resp_iocb(phba
, pring
);
3493 phba
->last_completion_time
= jiffies
;
3494 rspiocbp
= __lpfc_sli_get_iocbq(phba
);
3495 if (rspiocbp
== NULL
) {
3496 printk(KERN_ERR
"%s: out of buffers! Failing "
3497 "completion.\n", __func__
);
3501 lpfc_sli_pcimem_bcopy(entry
, &rspiocbp
->iocb
,
3502 phba
->iocb_rsp_size
);
3503 irsp
= &rspiocbp
->iocb
;
3505 if (++pring
->sli
.sli3
.rspidx
>= portRspMax
)
3506 pring
->sli
.sli3
.rspidx
= 0;
3508 if (pring
->ringno
== LPFC_ELS_RING
) {
3509 lpfc_debugfs_slow_ring_trc(phba
,
3510 "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x",
3511 *(((uint32_t *) irsp
) + 4),
3512 *(((uint32_t *) irsp
) + 6),
3513 *(((uint32_t *) irsp
) + 7));
3516 writel(pring
->sli
.sli3
.rspidx
,
3517 &phba
->host_gp
[pring
->ringno
].rspGetInx
);
3519 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3520 /* Handle the response IOCB */
3521 rspiocbp
= lpfc_sli_sp_handle_rspiocb(phba
, pring
, rspiocbp
);
3522 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3525 * If the port response put pointer has not been updated, sync
3526 * the pgp->rspPutInx in the MAILBOX_tand fetch the new port
3527 * response put pointer.
3529 if (pring
->sli
.sli3
.rspidx
== portRspPut
) {
3530 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3532 } /* while (pring->sli.sli3.rspidx != portRspPut) */
3534 if ((rspiocbp
!= NULL
) && (mask
& HA_R0RE_REQ
)) {
3535 /* At least one response entry has been freed */
3536 pring
->stats
.iocb_rsp_full
++;
3537 /* SET RxRE_RSP in Chip Att register */
3538 status
= ((CA_R0ATT
| CA_R0RE_RSP
) << (pring
->ringno
* 4));
3539 writel(status
, phba
->CAregaddr
);
3540 readl(phba
->CAregaddr
); /* flush */
3542 if ((mask
& HA_R0CE_RSP
) && (pring
->flag
& LPFC_CALL_RING_AVAILABLE
)) {
3543 pring
->flag
&= ~LPFC_CALL_RING_AVAILABLE
;
3544 pring
->stats
.iocb_cmd_empty
++;
3546 /* Force update of the local copy of cmdGetInx */
3547 pring
->sli
.sli3
.local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
3548 lpfc_sli_resume_iocb(phba
, pring
);
3550 if ((pring
->lpfc_sli_cmd_available
))
3551 (pring
->lpfc_sli_cmd_available
) (phba
, pring
);
3555 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3560 * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events
3561 * @phba: Pointer to HBA context object.
3562 * @pring: Pointer to driver SLI ring object.
3563 * @mask: Host attention register mask for this ring.
3565 * This function is called from the worker thread when there is a pending
3566 * ELS response iocb on the driver internal slow-path response iocb worker
3567 * queue. The caller does not hold any lock. The function will remove each
3568 * response iocb from the response worker queue and calls the handle
3569 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3572 lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba
*phba
,
3573 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3575 struct lpfc_iocbq
*irspiocbq
;
3576 struct hbq_dmabuf
*dmabuf
;
3577 struct lpfc_cq_event
*cq_event
;
3578 unsigned long iflag
;
3580 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3581 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
3582 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3583 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
3584 /* Get the response iocb from the head of work queue */
3585 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3586 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
3587 cq_event
, struct lpfc_cq_event
, list
);
3588 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3590 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
3591 case CQE_CODE_COMPL_WQE
:
3592 irspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
3594 /* Translate ELS WCQE to response IOCBQ */
3595 irspiocbq
= lpfc_sli4_els_wcqe_to_rspiocbq(phba
,
3598 lpfc_sli_sp_handle_rspiocb(phba
, pring
,
3601 case CQE_CODE_RECEIVE
:
3602 case CQE_CODE_RECEIVE_V1
:
3603 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
3605 lpfc_sli4_handle_received_buffer(phba
, dmabuf
);
3614 * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring
3615 * @phba: Pointer to HBA context object.
3616 * @pring: Pointer to driver SLI ring object.
3618 * This function aborts all iocbs in the given ring and frees all the iocb
3619 * objects in txq. This function issues an abort iocb for all the iocb commands
3620 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3621 * the return of this function. The caller is not required to hold any locks.
3624 lpfc_sli_abort_iocb_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
3626 LIST_HEAD(completions
);
3627 struct lpfc_iocbq
*iocb
, *next_iocb
;
3629 if (pring
->ringno
== LPFC_ELS_RING
) {
3630 lpfc_fabric_abort_hba(phba
);
3633 /* Error everything on txq and txcmplq
3636 if (phba
->sli_rev
>= LPFC_SLI_REV4
) {
3637 spin_lock_irq(&pring
->ring_lock
);
3638 list_splice_init(&pring
->txq
, &completions
);
3640 spin_unlock_irq(&pring
->ring_lock
);
3642 spin_lock_irq(&phba
->hbalock
);
3643 /* Next issue ABTS for everything on the txcmplq */
3644 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
)
3645 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
3646 spin_unlock_irq(&phba
->hbalock
);
3648 spin_lock_irq(&phba
->hbalock
);
3649 list_splice_init(&pring
->txq
, &completions
);
3652 /* Next issue ABTS for everything on the txcmplq */
3653 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
)
3654 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
3655 spin_unlock_irq(&phba
->hbalock
);
3658 /* Cancel all the IOCBs from the completions list */
3659 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
3664 * lpfc_sli_abort_wqe_ring - Abort all iocbs in the ring
3665 * @phba: Pointer to HBA context object.
3666 * @pring: Pointer to driver SLI ring object.
3668 * This function aborts all iocbs in the given ring and frees all the iocb
3669 * objects in txq. This function issues an abort iocb for all the iocb commands
3670 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3671 * the return of this function. The caller is not required to hold any locks.
3674 lpfc_sli_abort_wqe_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
3676 LIST_HEAD(completions
);
3677 struct lpfc_iocbq
*iocb
, *next_iocb
;
3679 if (pring
->ringno
== LPFC_ELS_RING
)
3680 lpfc_fabric_abort_hba(phba
);
3682 spin_lock_irq(&phba
->hbalock
);
3683 /* Next issue ABTS for everything on the txcmplq */
3684 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
)
3685 lpfc_sli4_abort_nvme_io(phba
, pring
, iocb
);
3686 spin_unlock_irq(&phba
->hbalock
);
3691 * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings
3692 * @phba: Pointer to HBA context object.
3693 * @pring: Pointer to driver SLI ring object.
3695 * This function aborts all iocbs in FCP rings and frees all the iocb
3696 * objects in txq. This function issues an abort iocb for all the iocb commands
3697 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3698 * the return of this function. The caller is not required to hold any locks.
3701 lpfc_sli_abort_fcp_rings(struct lpfc_hba
*phba
)
3703 struct lpfc_sli
*psli
= &phba
->sli
;
3704 struct lpfc_sli_ring
*pring
;
3707 /* Look on all the FCP Rings for the iotag */
3708 if (phba
->sli_rev
>= LPFC_SLI_REV4
) {
3709 for (i
= 0; i
< phba
->cfg_fcp_io_channel
; i
++) {
3710 pring
= phba
->sli4_hba
.fcp_wq
[i
]->pring
;
3711 lpfc_sli_abort_iocb_ring(phba
, pring
);
3714 pring
= &psli
->sli3_ring
[LPFC_FCP_RING
];
3715 lpfc_sli_abort_iocb_ring(phba
, pring
);
3720 * lpfc_sli_abort_nvme_rings - Abort all wqes in all NVME rings
3721 * @phba: Pointer to HBA context object.
3723 * This function aborts all wqes in NVME rings. This function issues an
3724 * abort wqe for all the outstanding IO commands in txcmplq. The iocbs in
3725 * the txcmplq is not guaranteed to complete before the return of this
3726 * function. The caller is not required to hold any locks.
3729 lpfc_sli_abort_nvme_rings(struct lpfc_hba
*phba
)
3731 struct lpfc_sli_ring
*pring
;
3734 if (phba
->sli_rev
< LPFC_SLI_REV4
)
3737 /* Abort all IO on each NVME ring. */
3738 for (i
= 0; i
< phba
->cfg_nvme_io_channel
; i
++) {
3739 pring
= phba
->sli4_hba
.nvme_wq
[i
]->pring
;
3740 lpfc_sli_abort_wqe_ring(phba
, pring
);
3746 * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring
3747 * @phba: Pointer to HBA context object.
3749 * This function flushes all iocbs in the fcp ring and frees all the iocb
3750 * objects in txq and txcmplq. This function will not issue abort iocbs
3751 * for all the iocb commands in txcmplq, they will just be returned with
3752 * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI
3753 * slot has been permanently disabled.
3756 lpfc_sli_flush_fcp_rings(struct lpfc_hba
*phba
)
3760 struct lpfc_sli
*psli
= &phba
->sli
;
3761 struct lpfc_sli_ring
*pring
;
3764 spin_lock_irq(&phba
->hbalock
);
3765 /* Indicate the I/O queues are flushed */
3766 phba
->hba_flag
|= HBA_FCP_IOQ_FLUSH
;
3767 spin_unlock_irq(&phba
->hbalock
);
3769 /* Look on all the FCP Rings for the iotag */
3770 if (phba
->sli_rev
>= LPFC_SLI_REV4
) {
3771 for (i
= 0; i
< phba
->cfg_fcp_io_channel
; i
++) {
3772 pring
= phba
->sli4_hba
.fcp_wq
[i
]->pring
;
3774 spin_lock_irq(&pring
->ring_lock
);
3775 /* Retrieve everything on txq */
3776 list_splice_init(&pring
->txq
, &txq
);
3777 /* Retrieve everything on the txcmplq */
3778 list_splice_init(&pring
->txcmplq
, &txcmplq
);
3780 pring
->txcmplq_cnt
= 0;
3781 spin_unlock_irq(&pring
->ring_lock
);
3784 lpfc_sli_cancel_iocbs(phba
, &txq
,
3785 IOSTAT_LOCAL_REJECT
,
3787 /* Flush the txcmpq */
3788 lpfc_sli_cancel_iocbs(phba
, &txcmplq
,
3789 IOSTAT_LOCAL_REJECT
,
3793 pring
= &psli
->sli3_ring
[LPFC_FCP_RING
];
3795 spin_lock_irq(&phba
->hbalock
);
3796 /* Retrieve everything on txq */
3797 list_splice_init(&pring
->txq
, &txq
);
3798 /* Retrieve everything on the txcmplq */
3799 list_splice_init(&pring
->txcmplq
, &txcmplq
);
3801 pring
->txcmplq_cnt
= 0;
3802 spin_unlock_irq(&phba
->hbalock
);
3805 lpfc_sli_cancel_iocbs(phba
, &txq
, IOSTAT_LOCAL_REJECT
,
3807 /* Flush the txcmpq */
3808 lpfc_sli_cancel_iocbs(phba
, &txcmplq
, IOSTAT_LOCAL_REJECT
,
3814 * lpfc_sli_flush_nvme_rings - flush all wqes in the nvme rings
3815 * @phba: Pointer to HBA context object.
3817 * This function flushes all wqes in the nvme rings and frees all resources
3818 * in the txcmplq. This function does not issue abort wqes for the IO
3819 * commands in txcmplq, they will just be returned with
3820 * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI
3821 * slot has been permanently disabled.
3824 lpfc_sli_flush_nvme_rings(struct lpfc_hba
*phba
)
3827 struct lpfc_sli_ring
*pring
;
3830 if (phba
->sli_rev
< LPFC_SLI_REV4
)
3833 /* Hint to other driver operations that a flush is in progress. */
3834 spin_lock_irq(&phba
->hbalock
);
3835 phba
->hba_flag
|= HBA_NVME_IOQ_FLUSH
;
3836 spin_unlock_irq(&phba
->hbalock
);
3838 /* Cycle through all NVME rings and complete each IO with
3839 * a local driver reason code. This is a flush so no
3840 * abort exchange to FW.
3842 for (i
= 0; i
< phba
->cfg_nvme_io_channel
; i
++) {
3843 pring
= phba
->sli4_hba
.nvme_wq
[i
]->pring
;
3845 /* Retrieve everything on the txcmplq */
3846 spin_lock_irq(&pring
->ring_lock
);
3847 list_splice_init(&pring
->txcmplq
, &txcmplq
);
3848 pring
->txcmplq_cnt
= 0;
3849 spin_unlock_irq(&pring
->ring_lock
);
3851 /* Flush the txcmpq &&&PAE */
3852 lpfc_sli_cancel_iocbs(phba
, &txcmplq
,
3853 IOSTAT_LOCAL_REJECT
,
3859 * lpfc_sli_brdready_s3 - Check for sli3 host ready status
3860 * @phba: Pointer to HBA context object.
3861 * @mask: Bit mask to be checked.
3863 * This function reads the host status register and compares
3864 * with the provided bit mask to check if HBA completed
3865 * the restart. This function will wait in a loop for the
3866 * HBA to complete restart. If the HBA does not restart within
3867 * 15 iterations, the function will reset the HBA again. The
3868 * function returns 1 when HBA fail to restart otherwise returns
3872 lpfc_sli_brdready_s3(struct lpfc_hba
*phba
, uint32_t mask
)
3878 /* Read the HBA Host Status Register */
3879 if (lpfc_readl(phba
->HSregaddr
, &status
))
3883 * Check status register every 100ms for 5 retries, then every
3884 * 500ms for 5, then every 2.5 sec for 5, then reset board and
3885 * every 2.5 sec for 4.
3886 * Break our of the loop if errors occurred during init.
3888 while (((status
& mask
) != mask
) &&
3889 !(status
& HS_FFERM
) &&
3901 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
3902 lpfc_sli_brdrestart(phba
);
3904 /* Read the HBA Host Status Register */
3905 if (lpfc_readl(phba
->HSregaddr
, &status
)) {
3911 /* Check to see if any errors occurred during init */
3912 if ((status
& HS_FFERM
) || (i
>= 20)) {
3913 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3914 "2751 Adapter failed to restart, "
3915 "status reg x%x, FW Data: A8 x%x AC x%x\n",
3917 readl(phba
->MBslimaddr
+ 0xa8),
3918 readl(phba
->MBslimaddr
+ 0xac));
3919 phba
->link_state
= LPFC_HBA_ERROR
;
3927 * lpfc_sli_brdready_s4 - Check for sli4 host ready status
3928 * @phba: Pointer to HBA context object.
3929 * @mask: Bit mask to be checked.
3931 * This function checks the host status register to check if HBA is
3932 * ready. This function will wait in a loop for the HBA to be ready
3933 * If the HBA is not ready , the function will will reset the HBA PCI
3934 * function again. The function returns 1 when HBA fail to be ready
3935 * otherwise returns zero.
3938 lpfc_sli_brdready_s4(struct lpfc_hba
*phba
, uint32_t mask
)
3943 /* Read the HBA Host Status Register */
3944 status
= lpfc_sli4_post_status_check(phba
);
3947 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
3948 lpfc_sli_brdrestart(phba
);
3949 status
= lpfc_sli4_post_status_check(phba
);
3952 /* Check to see if any errors occurred during init */
3954 phba
->link_state
= LPFC_HBA_ERROR
;
3957 phba
->sli4_hba
.intr_enable
= 0;
3963 * lpfc_sli_brdready - Wrapper func for checking the hba readyness
3964 * @phba: Pointer to HBA context object.
3965 * @mask: Bit mask to be checked.
3967 * This routine wraps the actual SLI3 or SLI4 hba readyness check routine
3968 * from the API jump table function pointer from the lpfc_hba struct.
3971 lpfc_sli_brdready(struct lpfc_hba
*phba
, uint32_t mask
)
3973 return phba
->lpfc_sli_brdready(phba
, mask
);
3976 #define BARRIER_TEST_PATTERN (0xdeadbeef)
3979 * lpfc_reset_barrier - Make HBA ready for HBA reset
3980 * @phba: Pointer to HBA context object.
3982 * This function is called before resetting an HBA. This function is called
3983 * with hbalock held and requests HBA to quiesce DMAs before a reset.
3985 void lpfc_reset_barrier(struct lpfc_hba
*phba
)
3987 uint32_t __iomem
*resp_buf
;
3988 uint32_t __iomem
*mbox_buf
;
3989 volatile uint32_t mbox
;
3990 uint32_t hc_copy
, ha_copy
, resp_data
;
3994 lockdep_assert_held(&phba
->hbalock
);
3996 pci_read_config_byte(phba
->pcidev
, PCI_HEADER_TYPE
, &hdrtype
);
3997 if (hdrtype
!= 0x80 ||
3998 (FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
) != HELIOS_JEDEC_ID
&&
3999 FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
) != THOR_JEDEC_ID
))
4003 * Tell the other part of the chip to suspend temporarily all
4006 resp_buf
= phba
->MBslimaddr
;
4008 /* Disable the error attention */
4009 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
))
4011 writel((hc_copy
& ~HC_ERINT_ENA
), phba
->HCregaddr
);
4012 readl(phba
->HCregaddr
); /* flush */
4013 phba
->link_flag
|= LS_IGNORE_ERATT
;
4015 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
4017 if (ha_copy
& HA_ERATT
) {
4018 /* Clear Chip error bit */
4019 writel(HA_ERATT
, phba
->HAregaddr
);
4020 phba
->pport
->stopped
= 1;
4024 ((MAILBOX_t
*)&mbox
)->mbxCommand
= MBX_KILL_BOARD
;
4025 ((MAILBOX_t
*)&mbox
)->mbxOwner
= OWN_CHIP
;
4027 writel(BARRIER_TEST_PATTERN
, (resp_buf
+ 1));
4028 mbox_buf
= phba
->MBslimaddr
;
4029 writel(mbox
, mbox_buf
);
4031 for (i
= 0; i
< 50; i
++) {
4032 if (lpfc_readl((resp_buf
+ 1), &resp_data
))
4034 if (resp_data
!= ~(BARRIER_TEST_PATTERN
))
4040 if (lpfc_readl((resp_buf
+ 1), &resp_data
))
4042 if (resp_data
!= ~(BARRIER_TEST_PATTERN
)) {
4043 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
||
4044 phba
->pport
->stopped
)
4050 ((MAILBOX_t
*)&mbox
)->mbxOwner
= OWN_HOST
;
4052 for (i
= 0; i
< 500; i
++) {
4053 if (lpfc_readl(resp_buf
, &resp_data
))
4055 if (resp_data
!= mbox
)
4064 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
4066 if (!(ha_copy
& HA_ERATT
))
4072 if (readl(phba
->HAregaddr
) & HA_ERATT
) {
4073 writel(HA_ERATT
, phba
->HAregaddr
);
4074 phba
->pport
->stopped
= 1;
4078 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
4079 writel(hc_copy
, phba
->HCregaddr
);
4080 readl(phba
->HCregaddr
); /* flush */
4084 * lpfc_sli_brdkill - Issue a kill_board mailbox command
4085 * @phba: Pointer to HBA context object.
4087 * This function issues a kill_board mailbox command and waits for
4088 * the error attention interrupt. This function is called for stopping
4089 * the firmware processing. The caller is not required to hold any
4090 * locks. This function calls lpfc_hba_down_post function to free
4091 * any pending commands after the kill. The function will return 1 when it
4092 * fails to kill the board else will return 0.
4095 lpfc_sli_brdkill(struct lpfc_hba
*phba
)
4097 struct lpfc_sli
*psli
;
4107 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4108 "0329 Kill HBA Data: x%x x%x\n",
4109 phba
->pport
->port_state
, psli
->sli_flag
);
4111 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4115 /* Disable the error attention */
4116 spin_lock_irq(&phba
->hbalock
);
4117 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
4118 spin_unlock_irq(&phba
->hbalock
);
4119 mempool_free(pmb
, phba
->mbox_mem_pool
);
4122 status
&= ~HC_ERINT_ENA
;
4123 writel(status
, phba
->HCregaddr
);
4124 readl(phba
->HCregaddr
); /* flush */
4125 phba
->link_flag
|= LS_IGNORE_ERATT
;
4126 spin_unlock_irq(&phba
->hbalock
);
4128 lpfc_kill_board(phba
, pmb
);
4129 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
4130 retval
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
4132 if (retval
!= MBX_SUCCESS
) {
4133 if (retval
!= MBX_BUSY
)
4134 mempool_free(pmb
, phba
->mbox_mem_pool
);
4135 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4136 "2752 KILL_BOARD command failed retval %d\n",
4138 spin_lock_irq(&phba
->hbalock
);
4139 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
4140 spin_unlock_irq(&phba
->hbalock
);
4144 spin_lock_irq(&phba
->hbalock
);
4145 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
4146 spin_unlock_irq(&phba
->hbalock
);
4148 mempool_free(pmb
, phba
->mbox_mem_pool
);
4150 /* There is no completion for a KILL_BOARD mbox cmd. Check for an error
4151 * attention every 100ms for 3 seconds. If we don't get ERATT after
4152 * 3 seconds we still set HBA_ERROR state because the status of the
4153 * board is now undefined.
4155 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
4157 while ((i
++ < 30) && !(ha_copy
& HA_ERATT
)) {
4159 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
4163 del_timer_sync(&psli
->mbox_tmo
);
4164 if (ha_copy
& HA_ERATT
) {
4165 writel(HA_ERATT
, phba
->HAregaddr
);
4166 phba
->pport
->stopped
= 1;
4168 spin_lock_irq(&phba
->hbalock
);
4169 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
4170 psli
->mbox_active
= NULL
;
4171 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
4172 spin_unlock_irq(&phba
->hbalock
);
4174 lpfc_hba_down_post(phba
);
4175 phba
->link_state
= LPFC_HBA_ERROR
;
4177 return ha_copy
& HA_ERATT
? 0 : 1;
4181 * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA
4182 * @phba: Pointer to HBA context object.
4184 * This function resets the HBA by writing HC_INITFF to the control
4185 * register. After the HBA resets, this function resets all the iocb ring
4186 * indices. This function disables PCI layer parity checking during
4188 * This function returns 0 always.
4189 * The caller is not required to hold any locks.
4192 lpfc_sli_brdreset(struct lpfc_hba
*phba
)
4194 struct lpfc_sli
*psli
;
4195 struct lpfc_sli_ring
*pring
;
4202 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4203 "0325 Reset HBA Data: x%x x%x\n",
4204 phba
->pport
->port_state
, psli
->sli_flag
);
4206 /* perform board reset */
4207 phba
->fc_eventTag
= 0;
4208 phba
->link_events
= 0;
4209 phba
->pport
->fc_myDID
= 0;
4210 phba
->pport
->fc_prevDID
= 0;
4212 /* Turn off parity checking and serr during the physical reset */
4213 pci_read_config_word(phba
->pcidev
, PCI_COMMAND
, &cfg_value
);
4214 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
,
4216 ~(PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
)));
4218 psli
->sli_flag
&= ~(LPFC_SLI_ACTIVE
| LPFC_PROCESS_LA
);
4220 /* Now toggle INITFF bit in the Host Control Register */
4221 writel(HC_INITFF
, phba
->HCregaddr
);
4223 readl(phba
->HCregaddr
); /* flush */
4224 writel(0, phba
->HCregaddr
);
4225 readl(phba
->HCregaddr
); /* flush */
4227 /* Restore PCI cmd register */
4228 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, cfg_value
);
4230 /* Initialize relevant SLI info */
4231 for (i
= 0; i
< psli
->num_rings
; i
++) {
4232 pring
= &psli
->sli3_ring
[i
];
4234 pring
->sli
.sli3
.rspidx
= 0;
4235 pring
->sli
.sli3
.next_cmdidx
= 0;
4236 pring
->sli
.sli3
.local_getidx
= 0;
4237 pring
->sli
.sli3
.cmdidx
= 0;
4238 pring
->missbufcnt
= 0;
4241 phba
->link_state
= LPFC_WARM_START
;
4246 * lpfc_sli4_brdreset - Reset a sli-4 HBA
4247 * @phba: Pointer to HBA context object.
4249 * This function resets a SLI4 HBA. This function disables PCI layer parity
4250 * checking during resets the device. The caller is not required to hold
4253 * This function returns 0 always.
4256 lpfc_sli4_brdreset(struct lpfc_hba
*phba
)
4258 struct lpfc_sli
*psli
= &phba
->sli
;
4263 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4264 "0295 Reset HBA Data: x%x x%x x%x\n",
4265 phba
->pport
->port_state
, psli
->sli_flag
,
4268 /* perform board reset */
4269 phba
->fc_eventTag
= 0;
4270 phba
->link_events
= 0;
4271 phba
->pport
->fc_myDID
= 0;
4272 phba
->pport
->fc_prevDID
= 0;
4274 spin_lock_irq(&phba
->hbalock
);
4275 psli
->sli_flag
&= ~(LPFC_PROCESS_LA
);
4276 phba
->fcf
.fcf_flag
= 0;
4277 spin_unlock_irq(&phba
->hbalock
);
4279 /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */
4280 if (phba
->hba_flag
& HBA_FW_DUMP_OP
) {
4281 phba
->hba_flag
&= ~HBA_FW_DUMP_OP
;
4285 /* Now physically reset the device */
4286 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4287 "0389 Performing PCI function reset!\n");
4289 /* Turn off parity checking and serr during the physical reset */
4290 pci_read_config_word(phba
->pcidev
, PCI_COMMAND
, &cfg_value
);
4291 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, (cfg_value
&
4292 ~(PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
)));
4294 /* Perform FCoE PCI function reset before freeing queue memory */
4295 rc
= lpfc_pci_function_reset(phba
);
4296 lpfc_sli4_queue_destroy(phba
);
4298 /* Restore PCI cmd register */
4299 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, cfg_value
);
4305 * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba
4306 * @phba: Pointer to HBA context object.
4308 * This function is called in the SLI initialization code path to
4309 * restart the HBA. The caller is not required to hold any lock.
4310 * This function writes MBX_RESTART mailbox command to the SLIM and
4311 * resets the HBA. At the end of the function, it calls lpfc_hba_down_post
4312 * function to free any pending commands. The function enables
4313 * POST only during the first initialization. The function returns zero.
4314 * The function does not guarantee completion of MBX_RESTART mailbox
4315 * command before the return of this function.
4318 lpfc_sli_brdrestart_s3(struct lpfc_hba
*phba
)
4321 struct lpfc_sli
*psli
;
4322 volatile uint32_t word0
;
4323 void __iomem
*to_slim
;
4324 uint32_t hba_aer_enabled
;
4326 spin_lock_irq(&phba
->hbalock
);
4328 /* Take PCIe device Advanced Error Reporting (AER) state */
4329 hba_aer_enabled
= phba
->hba_flag
& HBA_AER_ENABLED
;
4334 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4335 "0337 Restart HBA Data: x%x x%x\n",
4336 phba
->pport
->port_state
, psli
->sli_flag
);
4339 mb
= (MAILBOX_t
*) &word0
;
4340 mb
->mbxCommand
= MBX_RESTART
;
4343 lpfc_reset_barrier(phba
);
4345 to_slim
= phba
->MBslimaddr
;
4346 writel(*(uint32_t *) mb
, to_slim
);
4347 readl(to_slim
); /* flush */
4349 /* Only skip post after fc_ffinit is completed */
4350 if (phba
->pport
->port_state
)
4351 word0
= 1; /* This is really setting up word1 */
4353 word0
= 0; /* This is really setting up word1 */
4354 to_slim
= phba
->MBslimaddr
+ sizeof (uint32_t);
4355 writel(*(uint32_t *) mb
, to_slim
);
4356 readl(to_slim
); /* flush */
4358 lpfc_sli_brdreset(phba
);
4359 phba
->pport
->stopped
= 0;
4360 phba
->link_state
= LPFC_INIT_START
;
4362 spin_unlock_irq(&phba
->hbalock
);
4364 memset(&psli
->lnk_stat_offsets
, 0, sizeof(psli
->lnk_stat_offsets
));
4365 psli
->stats_start
= get_seconds();
4367 /* Give the INITFF and Post time to settle. */
4370 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
4371 if (hba_aer_enabled
)
4372 pci_disable_pcie_error_reporting(phba
->pcidev
);
4374 lpfc_hba_down_post(phba
);
4380 * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba
4381 * @phba: Pointer to HBA context object.
4383 * This function is called in the SLI initialization code path to restart
4384 * a SLI4 HBA. The caller is not required to hold any lock.
4385 * At the end of the function, it calls lpfc_hba_down_post function to
4386 * free any pending commands.
4389 lpfc_sli_brdrestart_s4(struct lpfc_hba
*phba
)
4391 struct lpfc_sli
*psli
= &phba
->sli
;
4392 uint32_t hba_aer_enabled
;
4396 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4397 "0296 Restart HBA Data: x%x x%x\n",
4398 phba
->pport
->port_state
, psli
->sli_flag
);
4400 /* Take PCIe device Advanced Error Reporting (AER) state */
4401 hba_aer_enabled
= phba
->hba_flag
& HBA_AER_ENABLED
;
4403 rc
= lpfc_sli4_brdreset(phba
);
4405 spin_lock_irq(&phba
->hbalock
);
4406 phba
->pport
->stopped
= 0;
4407 phba
->link_state
= LPFC_INIT_START
;
4409 spin_unlock_irq(&phba
->hbalock
);
4411 memset(&psli
->lnk_stat_offsets
, 0, sizeof(psli
->lnk_stat_offsets
));
4412 psli
->stats_start
= get_seconds();
4414 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
4415 if (hba_aer_enabled
)
4416 pci_disable_pcie_error_reporting(phba
->pcidev
);
4418 lpfc_hba_down_post(phba
);
4424 * lpfc_sli_brdrestart - Wrapper func for restarting hba
4425 * @phba: Pointer to HBA context object.
4427 * This routine wraps the actual SLI3 or SLI4 hba restart routine from the
4428 * API jump table function pointer from the lpfc_hba struct.
4431 lpfc_sli_brdrestart(struct lpfc_hba
*phba
)
4433 return phba
->lpfc_sli_brdrestart(phba
);
4437 * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart
4438 * @phba: Pointer to HBA context object.
4440 * This function is called after a HBA restart to wait for successful
4441 * restart of the HBA. Successful restart of the HBA is indicated by
4442 * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15
4443 * iteration, the function will restart the HBA again. The function returns
4444 * zero if HBA successfully restarted else returns negative error code.
4447 lpfc_sli_chipset_init(struct lpfc_hba
*phba
)
4449 uint32_t status
, i
= 0;
4451 /* Read the HBA Host Status Register */
4452 if (lpfc_readl(phba
->HSregaddr
, &status
))
4455 /* Check status register to see what current state is */
4457 while ((status
& (HS_FFRDY
| HS_MBRDY
)) != (HS_FFRDY
| HS_MBRDY
)) {
4459 /* Check every 10ms for 10 retries, then every 100ms for 90
4460 * retries, then every 1 sec for 50 retires for a total of
4461 * ~60 seconds before reset the board again and check every
4462 * 1 sec for 50 retries. The up to 60 seconds before the
4463 * board ready is required by the Falcon FIPS zeroization
4464 * complete, and any reset the board in between shall cause
4465 * restart of zeroization, further delay the board ready.
4468 /* Adapter failed to init, timeout, status reg
4470 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4471 "0436 Adapter failed to init, "
4472 "timeout, status reg x%x, "
4473 "FW Data: A8 x%x AC x%x\n", status
,
4474 readl(phba
->MBslimaddr
+ 0xa8),
4475 readl(phba
->MBslimaddr
+ 0xac));
4476 phba
->link_state
= LPFC_HBA_ERROR
;
4480 /* Check to see if any errors occurred during init */
4481 if (status
& HS_FFERM
) {
4482 /* ERROR: During chipset initialization */
4483 /* Adapter failed to init, chipset, status reg
4485 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4486 "0437 Adapter failed to init, "
4487 "chipset, status reg x%x, "
4488 "FW Data: A8 x%x AC x%x\n", status
,
4489 readl(phba
->MBslimaddr
+ 0xa8),
4490 readl(phba
->MBslimaddr
+ 0xac));
4491 phba
->link_state
= LPFC_HBA_ERROR
;
4504 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
4505 lpfc_sli_brdrestart(phba
);
4507 /* Read the HBA Host Status Register */
4508 if (lpfc_readl(phba
->HSregaddr
, &status
))
4512 /* Check to see if any errors occurred during init */
4513 if (status
& HS_FFERM
) {
4514 /* ERROR: During chipset initialization */
4515 /* Adapter failed to init, chipset, status reg <status> */
4516 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4517 "0438 Adapter failed to init, chipset, "
4519 "FW Data: A8 x%x AC x%x\n", status
,
4520 readl(phba
->MBslimaddr
+ 0xa8),
4521 readl(phba
->MBslimaddr
+ 0xac));
4522 phba
->link_state
= LPFC_HBA_ERROR
;
4526 /* Clear all interrupt enable conditions */
4527 writel(0, phba
->HCregaddr
);
4528 readl(phba
->HCregaddr
); /* flush */
4530 /* setup host attn register */
4531 writel(0xffffffff, phba
->HAregaddr
);
4532 readl(phba
->HAregaddr
); /* flush */
4537 * lpfc_sli_hbq_count - Get the number of HBQs to be configured
4539 * This function calculates and returns the number of HBQs required to be
4543 lpfc_sli_hbq_count(void)
4545 return ARRAY_SIZE(lpfc_hbq_defs
);
4549 * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries
4551 * This function adds the number of hbq entries in every HBQ to get
4552 * the total number of hbq entries required for the HBA and returns
4556 lpfc_sli_hbq_entry_count(void)
4558 int hbq_count
= lpfc_sli_hbq_count();
4562 for (i
= 0; i
< hbq_count
; ++i
)
4563 count
+= lpfc_hbq_defs
[i
]->entry_count
;
4568 * lpfc_sli_hbq_size - Calculate memory required for all hbq entries
4570 * This function calculates amount of memory required for all hbq entries
4571 * to be configured and returns the total memory required.
4574 lpfc_sli_hbq_size(void)
4576 return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry
);
4580 * lpfc_sli_hbq_setup - configure and initialize HBQs
4581 * @phba: Pointer to HBA context object.
4583 * This function is called during the SLI initialization to configure
4584 * all the HBQs and post buffers to the HBQ. The caller is not
4585 * required to hold any locks. This function will return zero if successful
4586 * else it will return negative error code.
4589 lpfc_sli_hbq_setup(struct lpfc_hba
*phba
)
4591 int hbq_count
= lpfc_sli_hbq_count();
4595 uint32_t hbq_entry_index
;
4597 /* Get a Mailbox buffer to setup mailbox
4598 * commands for HBA initialization
4600 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4607 /* Initialize the struct lpfc_sli_hbq structure for each hbq */
4608 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
4609 phba
->hbq_in_use
= 1;
4611 hbq_entry_index
= 0;
4612 for (hbqno
= 0; hbqno
< hbq_count
; ++hbqno
) {
4613 phba
->hbqs
[hbqno
].next_hbqPutIdx
= 0;
4614 phba
->hbqs
[hbqno
].hbqPutIdx
= 0;
4615 phba
->hbqs
[hbqno
].local_hbqGetIdx
= 0;
4616 phba
->hbqs
[hbqno
].entry_count
=
4617 lpfc_hbq_defs
[hbqno
]->entry_count
;
4618 lpfc_config_hbq(phba
, hbqno
, lpfc_hbq_defs
[hbqno
],
4619 hbq_entry_index
, pmb
);
4620 hbq_entry_index
+= phba
->hbqs
[hbqno
].entry_count
;
4622 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
4623 /* Adapter failed to init, mbxCmd <cmd> CFG_RING,
4624 mbxStatus <status>, ring <num> */
4626 lpfc_printf_log(phba
, KERN_ERR
,
4627 LOG_SLI
| LOG_VPORT
,
4628 "1805 Adapter failed to init. "
4629 "Data: x%x x%x x%x\n",
4631 pmbox
->mbxStatus
, hbqno
);
4633 phba
->link_state
= LPFC_HBA_ERROR
;
4634 mempool_free(pmb
, phba
->mbox_mem_pool
);
4638 phba
->hbq_count
= hbq_count
;
4640 mempool_free(pmb
, phba
->mbox_mem_pool
);
4642 /* Initially populate or replenish the HBQs */
4643 for (hbqno
= 0; hbqno
< hbq_count
; ++hbqno
)
4644 lpfc_sli_hbqbuf_init_hbqs(phba
, hbqno
);
4649 * lpfc_sli4_rb_setup - Initialize and post RBs to HBA
4650 * @phba: Pointer to HBA context object.
4652 * This function is called during the SLI initialization to configure
4653 * all the HBQs and post buffers to the HBQ. The caller is not
4654 * required to hold any locks. This function will return zero if successful
4655 * else it will return negative error code.
4658 lpfc_sli4_rb_setup(struct lpfc_hba
*phba
)
4660 phba
->hbq_in_use
= 1;
4661 phba
->hbqs
[LPFC_ELS_HBQ
].entry_count
=
4662 lpfc_hbq_defs
[LPFC_ELS_HBQ
]->entry_count
;
4663 phba
->hbq_count
= 1;
4664 lpfc_sli_hbqbuf_init_hbqs(phba
, LPFC_ELS_HBQ
);
4665 /* Initially populate or replenish the HBQs */
4670 * lpfc_sli_config_port - Issue config port mailbox command
4671 * @phba: Pointer to HBA context object.
4672 * @sli_mode: sli mode - 2/3
4674 * This function is called by the sli intialization code path
4675 * to issue config_port mailbox command. This function restarts the
4676 * HBA firmware and issues a config_port mailbox command to configure
4677 * the SLI interface in the sli mode specified by sli_mode
4678 * variable. The caller is not required to hold any locks.
4679 * The function returns 0 if successful, else returns negative error
4683 lpfc_sli_config_port(struct lpfc_hba
*phba
, int sli_mode
)
4686 uint32_t resetcount
= 0, rc
= 0, done
= 0;
4688 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4690 phba
->link_state
= LPFC_HBA_ERROR
;
4694 phba
->sli_rev
= sli_mode
;
4695 while (resetcount
< 2 && !done
) {
4696 spin_lock_irq(&phba
->hbalock
);
4697 phba
->sli
.sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
4698 spin_unlock_irq(&phba
->hbalock
);
4699 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
4700 lpfc_sli_brdrestart(phba
);
4701 rc
= lpfc_sli_chipset_init(phba
);
4705 spin_lock_irq(&phba
->hbalock
);
4706 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
4707 spin_unlock_irq(&phba
->hbalock
);
4710 /* Call pre CONFIG_PORT mailbox command initialization. A
4711 * value of 0 means the call was successful. Any other
4712 * nonzero value is a failure, but if ERESTART is returned,
4713 * the driver may reset the HBA and try again.
4715 rc
= lpfc_config_port_prep(phba
);
4716 if (rc
== -ERESTART
) {
4717 phba
->link_state
= LPFC_LINK_UNKNOWN
;
4722 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
4723 lpfc_config_port(phba
, pmb
);
4724 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
4725 phba
->sli3_options
&= ~(LPFC_SLI3_NPIV_ENABLED
|
4726 LPFC_SLI3_HBQ_ENABLED
|
4727 LPFC_SLI3_CRP_ENABLED
|
4728 LPFC_SLI3_BG_ENABLED
|
4729 LPFC_SLI3_DSS_ENABLED
);
4730 if (rc
!= MBX_SUCCESS
) {
4731 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4732 "0442 Adapter failed to init, mbxCmd x%x "
4733 "CONFIG_PORT, mbxStatus x%x Data: x%x\n",
4734 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
, 0);
4735 spin_lock_irq(&phba
->hbalock
);
4736 phba
->sli
.sli_flag
&= ~LPFC_SLI_ACTIVE
;
4737 spin_unlock_irq(&phba
->hbalock
);
4740 /* Allow asynchronous mailbox command to go through */
4741 spin_lock_irq(&phba
->hbalock
);
4742 phba
->sli
.sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
4743 spin_unlock_irq(&phba
->hbalock
);
4746 if ((pmb
->u
.mb
.un
.varCfgPort
.casabt
== 1) &&
4747 (pmb
->u
.mb
.un
.varCfgPort
.gasabt
== 0))
4748 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4749 "3110 Port did not grant ASABT\n");
4754 goto do_prep_failed
;
4756 if (pmb
->u
.mb
.un
.varCfgPort
.sli_mode
== 3) {
4757 if (!pmb
->u
.mb
.un
.varCfgPort
.cMA
) {
4759 goto do_prep_failed
;
4761 if (phba
->max_vpi
&& pmb
->u
.mb
.un
.varCfgPort
.gmv
) {
4762 phba
->sli3_options
|= LPFC_SLI3_NPIV_ENABLED
;
4763 phba
->max_vpi
= pmb
->u
.mb
.un
.varCfgPort
.max_vpi
;
4764 phba
->max_vports
= (phba
->max_vpi
> phba
->max_vports
) ?
4765 phba
->max_vpi
: phba
->max_vports
;
4769 phba
->fips_level
= 0;
4770 phba
->fips_spec_rev
= 0;
4771 if (pmb
->u
.mb
.un
.varCfgPort
.gdss
) {
4772 phba
->sli3_options
|= LPFC_SLI3_DSS_ENABLED
;
4773 phba
->fips_level
= pmb
->u
.mb
.un
.varCfgPort
.fips_level
;
4774 phba
->fips_spec_rev
= pmb
->u
.mb
.un
.varCfgPort
.fips_rev
;
4775 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4776 "2850 Security Crypto Active. FIPS x%d "
4778 phba
->fips_level
, phba
->fips_spec_rev
);
4780 if (pmb
->u
.mb
.un
.varCfgPort
.sec_err
) {
4781 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4782 "2856 Config Port Security Crypto "
4784 pmb
->u
.mb
.un
.varCfgPort
.sec_err
);
4786 if (pmb
->u
.mb
.un
.varCfgPort
.gerbm
)
4787 phba
->sli3_options
|= LPFC_SLI3_HBQ_ENABLED
;
4788 if (pmb
->u
.mb
.un
.varCfgPort
.gcrp
)
4789 phba
->sli3_options
|= LPFC_SLI3_CRP_ENABLED
;
4791 phba
->hbq_get
= phba
->mbox
->us
.s3_pgp
.hbq_get
;
4792 phba
->port_gp
= phba
->mbox
->us
.s3_pgp
.port
;
4794 if (phba
->cfg_enable_bg
) {
4795 if (pmb
->u
.mb
.un
.varCfgPort
.gbg
)
4796 phba
->sli3_options
|= LPFC_SLI3_BG_ENABLED
;
4798 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4799 "0443 Adapter did not grant "
4803 phba
->hbq_get
= NULL
;
4804 phba
->port_gp
= phba
->mbox
->us
.s2
.port
;
4808 mempool_free(pmb
, phba
->mbox_mem_pool
);
4814 * lpfc_sli_hba_setup - SLI intialization function
4815 * @phba: Pointer to HBA context object.
4817 * This function is the main SLI intialization function. This function
4818 * is called by the HBA intialization code, HBA reset code and HBA
4819 * error attention handler code. Caller is not required to hold any
4820 * locks. This function issues config_port mailbox command to configure
4821 * the SLI, setup iocb rings and HBQ rings. In the end the function
4822 * calls the config_port_post function to issue init_link mailbox
4823 * command and to start the discovery. The function will return zero
4824 * if successful, else it will return negative error code.
4827 lpfc_sli_hba_setup(struct lpfc_hba
*phba
)
4833 switch (phba
->cfg_sli_mode
) {
4835 if (phba
->cfg_enable_npiv
) {
4836 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4837 "1824 NPIV enabled: Override sli_mode "
4838 "parameter (%d) to auto (0).\n",
4839 phba
->cfg_sli_mode
);
4848 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4849 "1819 Unrecognized sli_mode parameter: %d.\n",
4850 phba
->cfg_sli_mode
);
4854 phba
->fcp_embed_io
= 0; /* SLI4 FC support only */
4856 rc
= lpfc_sli_config_port(phba
, mode
);
4858 if (rc
&& phba
->cfg_sli_mode
== 3)
4859 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4860 "1820 Unable to select SLI-3. "
4861 "Not supported by adapter.\n");
4862 if (rc
&& mode
!= 2)
4863 rc
= lpfc_sli_config_port(phba
, 2);
4864 else if (rc
&& mode
== 2)
4865 rc
= lpfc_sli_config_port(phba
, 3);
4867 goto lpfc_sli_hba_setup_error
;
4869 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
4870 if (phba
->cfg_aer_support
== 1 && !(phba
->hba_flag
& HBA_AER_ENABLED
)) {
4871 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
4873 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4874 "2709 This device supports "
4875 "Advanced Error Reporting (AER)\n");
4876 spin_lock_irq(&phba
->hbalock
);
4877 phba
->hba_flag
|= HBA_AER_ENABLED
;
4878 spin_unlock_irq(&phba
->hbalock
);
4880 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4881 "2708 This device does not support "
4882 "Advanced Error Reporting (AER): %d\n",
4884 phba
->cfg_aer_support
= 0;
4888 if (phba
->sli_rev
== 3) {
4889 phba
->iocb_cmd_size
= SLI3_IOCB_CMD_SIZE
;
4890 phba
->iocb_rsp_size
= SLI3_IOCB_RSP_SIZE
;
4892 phba
->iocb_cmd_size
= SLI2_IOCB_CMD_SIZE
;
4893 phba
->iocb_rsp_size
= SLI2_IOCB_RSP_SIZE
;
4894 phba
->sli3_options
= 0;
4897 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4898 "0444 Firmware in SLI %x mode. Max_vpi %d\n",
4899 phba
->sli_rev
, phba
->max_vpi
);
4900 rc
= lpfc_sli_ring_map(phba
);
4903 goto lpfc_sli_hba_setup_error
;
4905 /* Initialize VPIs. */
4906 if (phba
->sli_rev
== LPFC_SLI_REV3
) {
4908 * The VPI bitmask and physical ID array are allocated
4909 * and initialized once only - at driver load. A port
4910 * reset doesn't need to reinitialize this memory.
4912 if ((phba
->vpi_bmask
== NULL
) && (phba
->vpi_ids
== NULL
)) {
4913 longs
= (phba
->max_vpi
+ BITS_PER_LONG
) / BITS_PER_LONG
;
4914 phba
->vpi_bmask
= kzalloc(longs
* sizeof(unsigned long),
4916 if (!phba
->vpi_bmask
) {
4918 goto lpfc_sli_hba_setup_error
;
4921 phba
->vpi_ids
= kzalloc(
4922 (phba
->max_vpi
+1) * sizeof(uint16_t),
4924 if (!phba
->vpi_ids
) {
4925 kfree(phba
->vpi_bmask
);
4927 goto lpfc_sli_hba_setup_error
;
4929 for (i
= 0; i
< phba
->max_vpi
; i
++)
4930 phba
->vpi_ids
[i
] = i
;
4935 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
) {
4936 rc
= lpfc_sli_hbq_setup(phba
);
4938 goto lpfc_sli_hba_setup_error
;
4940 spin_lock_irq(&phba
->hbalock
);
4941 phba
->sli
.sli_flag
|= LPFC_PROCESS_LA
;
4942 spin_unlock_irq(&phba
->hbalock
);
4944 rc
= lpfc_config_port_post(phba
);
4946 goto lpfc_sli_hba_setup_error
;
4950 lpfc_sli_hba_setup_error
:
4951 phba
->link_state
= LPFC_HBA_ERROR
;
4952 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4953 "0445 Firmware initialization failed\n");
4958 * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region
4959 * @phba: Pointer to HBA context object.
4960 * @mboxq: mailbox pointer.
4961 * This function issue a dump mailbox command to read config region
4962 * 23 and parse the records in the region and populate driver
4966 lpfc_sli4_read_fcoe_params(struct lpfc_hba
*phba
)
4968 LPFC_MBOXQ_t
*mboxq
;
4969 struct lpfc_dmabuf
*mp
;
4970 struct lpfc_mqe
*mqe
;
4971 uint32_t data_length
;
4974 /* Program the default value of vlan_id and fc_map */
4975 phba
->valid_vlan
= 0;
4976 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4977 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4978 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4980 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4984 mqe
= &mboxq
->u
.mqe
;
4985 if (lpfc_sli4_dump_cfg_rg23(phba
, mboxq
)) {
4987 goto out_free_mboxq
;
4990 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
4991 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4993 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
4994 "(%d):2571 Mailbox cmd x%x Status x%x "
4995 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x "
4996 "x%x x%x x%x x%x x%x x%x x%x x%x x%x "
4997 "CQ: x%x x%x x%x x%x\n",
4998 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
4999 bf_get(lpfc_mqe_command
, mqe
),
5000 bf_get(lpfc_mqe_status
, mqe
),
5001 mqe
->un
.mb_words
[0], mqe
->un
.mb_words
[1],
5002 mqe
->un
.mb_words
[2], mqe
->un
.mb_words
[3],
5003 mqe
->un
.mb_words
[4], mqe
->un
.mb_words
[5],
5004 mqe
->un
.mb_words
[6], mqe
->un
.mb_words
[7],
5005 mqe
->un
.mb_words
[8], mqe
->un
.mb_words
[9],
5006 mqe
->un
.mb_words
[10], mqe
->un
.mb_words
[11],
5007 mqe
->un
.mb_words
[12], mqe
->un
.mb_words
[13],
5008 mqe
->un
.mb_words
[14], mqe
->un
.mb_words
[15],
5009 mqe
->un
.mb_words
[16], mqe
->un
.mb_words
[50],
5011 mboxq
->mcqe
.mcqe_tag0
, mboxq
->mcqe
.mcqe_tag1
,
5012 mboxq
->mcqe
.trailer
);
5015 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
5018 goto out_free_mboxq
;
5020 data_length
= mqe
->un
.mb_words
[5];
5021 if (data_length
> DMP_RGN23_SIZE
) {
5022 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
5025 goto out_free_mboxq
;
5028 lpfc_parse_fcoe_conf(phba
, mp
->virt
, data_length
);
5029 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
5034 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5039 * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data
5040 * @phba: pointer to lpfc hba data structure.
5041 * @mboxq: pointer to the LPFC_MBOXQ_t structure.
5042 * @vpd: pointer to the memory to hold resulting port vpd data.
5043 * @vpd_size: On input, the number of bytes allocated to @vpd.
5044 * On output, the number of data bytes in @vpd.
5046 * This routine executes a READ_REV SLI4 mailbox command. In
5047 * addition, this routine gets the port vpd data.
5051 * -ENOMEM - could not allocated memory.
5054 lpfc_sli4_read_rev(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
5055 uint8_t *vpd
, uint32_t *vpd_size
)
5059 struct lpfc_dmabuf
*dmabuf
;
5060 struct lpfc_mqe
*mqe
;
5062 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
5067 * Get a DMA buffer for the vpd data resulting from the READ_REV
5070 dma_size
= *vpd_size
;
5071 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
, dma_size
,
5072 &dmabuf
->phys
, GFP_KERNEL
);
5073 if (!dmabuf
->virt
) {
5079 * The SLI4 implementation of READ_REV conflicts at word1,
5080 * bits 31:16 and SLI4 adds vpd functionality not present
5081 * in SLI3. This code corrects the conflicts.
5083 lpfc_read_rev(phba
, mboxq
);
5084 mqe
= &mboxq
->u
.mqe
;
5085 mqe
->un
.read_rev
.vpd_paddr_high
= putPaddrHigh(dmabuf
->phys
);
5086 mqe
->un
.read_rev
.vpd_paddr_low
= putPaddrLow(dmabuf
->phys
);
5087 mqe
->un
.read_rev
.word1
&= 0x0000FFFF;
5088 bf_set(lpfc_mbx_rd_rev_vpd
, &mqe
->un
.read_rev
, 1);
5089 bf_set(lpfc_mbx_rd_rev_avail_len
, &mqe
->un
.read_rev
, dma_size
);
5091 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5093 dma_free_coherent(&phba
->pcidev
->dev
, dma_size
,
5094 dmabuf
->virt
, dmabuf
->phys
);
5100 * The available vpd length cannot be bigger than the
5101 * DMA buffer passed to the port. Catch the less than
5102 * case and update the caller's size.
5104 if (mqe
->un
.read_rev
.avail_vpd_len
< *vpd_size
)
5105 *vpd_size
= mqe
->un
.read_rev
.avail_vpd_len
;
5107 memcpy(vpd
, dmabuf
->virt
, *vpd_size
);
5109 dma_free_coherent(&phba
->pcidev
->dev
, dma_size
,
5110 dmabuf
->virt
, dmabuf
->phys
);
5116 * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name
5117 * @phba: pointer to lpfc hba data structure.
5119 * This routine retrieves SLI4 device physical port name this PCI function
5124 * otherwise - failed to retrieve physical port name
5127 lpfc_sli4_retrieve_pport_name(struct lpfc_hba
*phba
)
5129 LPFC_MBOXQ_t
*mboxq
;
5130 struct lpfc_mbx_get_cntl_attributes
*mbx_cntl_attr
;
5131 struct lpfc_controller_attribute
*cntl_attr
;
5132 struct lpfc_mbx_get_port_name
*get_port_name
;
5133 void *virtaddr
= NULL
;
5134 uint32_t alloclen
, reqlen
;
5135 uint32_t shdr_status
, shdr_add_status
;
5136 union lpfc_sli4_cfg_shdr
*shdr
;
5137 char cport_name
= 0;
5140 /* We assume nothing at this point */
5141 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_INVAL
;
5142 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_NON
;
5144 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5147 /* obtain link type and link number via READ_CONFIG */
5148 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_INVAL
;
5149 lpfc_sli4_read_config(phba
);
5150 if (phba
->sli4_hba
.lnk_info
.lnk_dv
== LPFC_LNK_DAT_VAL
)
5151 goto retrieve_ppname
;
5153 /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */
5154 reqlen
= sizeof(struct lpfc_mbx_get_cntl_attributes
);
5155 alloclen
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5156 LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES
, reqlen
,
5157 LPFC_SLI4_MBX_NEMBED
);
5158 if (alloclen
< reqlen
) {
5159 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
5160 "3084 Allocated DMA memory size (%d) is "
5161 "less than the requested DMA memory size "
5162 "(%d)\n", alloclen
, reqlen
);
5164 goto out_free_mboxq
;
5166 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5167 virtaddr
= mboxq
->sge_array
->addr
[0];
5168 mbx_cntl_attr
= (struct lpfc_mbx_get_cntl_attributes
*)virtaddr
;
5169 shdr
= &mbx_cntl_attr
->cfg_shdr
;
5170 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5171 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
5172 if (shdr_status
|| shdr_add_status
|| rc
) {
5173 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
5174 "3085 Mailbox x%x (x%x/x%x) failed, "
5175 "rc:x%x, status:x%x, add_status:x%x\n",
5176 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
5177 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
5178 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
5179 rc
, shdr_status
, shdr_add_status
);
5181 goto out_free_mboxq
;
5183 cntl_attr
= &mbx_cntl_attr
->cntl_attr
;
5184 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
5185 phba
->sli4_hba
.lnk_info
.lnk_tp
=
5186 bf_get(lpfc_cntl_attr_lnk_type
, cntl_attr
);
5187 phba
->sli4_hba
.lnk_info
.lnk_no
=
5188 bf_get(lpfc_cntl_attr_lnk_numb
, cntl_attr
);
5189 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5190 "3086 lnk_type:%d, lnk_numb:%d\n",
5191 phba
->sli4_hba
.lnk_info
.lnk_tp
,
5192 phba
->sli4_hba
.lnk_info
.lnk_no
);
5195 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5196 LPFC_MBOX_OPCODE_GET_PORT_NAME
,
5197 sizeof(struct lpfc_mbx_get_port_name
) -
5198 sizeof(struct lpfc_sli4_cfg_mhdr
),
5199 LPFC_SLI4_MBX_EMBED
);
5200 get_port_name
= &mboxq
->u
.mqe
.un
.get_port_name
;
5201 shdr
= (union lpfc_sli4_cfg_shdr
*)&get_port_name
->header
.cfg_shdr
;
5202 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
, LPFC_OPCODE_VERSION_1
);
5203 bf_set(lpfc_mbx_get_port_name_lnk_type
, &get_port_name
->u
.request
,
5204 phba
->sli4_hba
.lnk_info
.lnk_tp
);
5205 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
5206 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
5207 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
5208 if (shdr_status
|| shdr_add_status
|| rc
) {
5209 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
5210 "3087 Mailbox x%x (x%x/x%x) failed: "
5211 "rc:x%x, status:x%x, add_status:x%x\n",
5212 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
5213 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
5214 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
5215 rc
, shdr_status
, shdr_add_status
);
5217 goto out_free_mboxq
;
5219 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
5220 case LPFC_LINK_NUMBER_0
:
5221 cport_name
= bf_get(lpfc_mbx_get_port_name_name0
,
5222 &get_port_name
->u
.response
);
5223 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
5225 case LPFC_LINK_NUMBER_1
:
5226 cport_name
= bf_get(lpfc_mbx_get_port_name_name1
,
5227 &get_port_name
->u
.response
);
5228 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
5230 case LPFC_LINK_NUMBER_2
:
5231 cport_name
= bf_get(lpfc_mbx_get_port_name_name2
,
5232 &get_port_name
->u
.response
);
5233 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
5235 case LPFC_LINK_NUMBER_3
:
5236 cport_name
= bf_get(lpfc_mbx_get_port_name_name3
,
5237 &get_port_name
->u
.response
);
5238 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
5244 if (phba
->sli4_hba
.pport_name_sta
== LPFC_SLI4_PPNAME_GET
) {
5245 phba
->Port
[0] = cport_name
;
5246 phba
->Port
[1] = '\0';
5247 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5248 "3091 SLI get port name: %s\n", phba
->Port
);
5252 if (rc
!= MBX_TIMEOUT
) {
5253 if (bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
) == MBX_SLI4_CONFIG
)
5254 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
5256 mempool_free(mboxq
, phba
->mbox_mem_pool
);
5262 * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues
5263 * @phba: pointer to lpfc hba data structure.
5265 * This routine is called to explicitly arm the SLI4 device's completion and
5269 lpfc_sli4_arm_cqeq_intr(struct lpfc_hba
*phba
)
5273 lpfc_sli4_cq_release(phba
->sli4_hba
.mbx_cq
, LPFC_QUEUE_REARM
);
5274 lpfc_sli4_cq_release(phba
->sli4_hba
.els_cq
, LPFC_QUEUE_REARM
);
5275 if (phba
->sli4_hba
.nvmels_cq
)
5276 lpfc_sli4_cq_release(phba
->sli4_hba
.nvmels_cq
,
5279 if (phba
->sli4_hba
.fcp_cq
)
5280 for (qidx
= 0; qidx
< phba
->cfg_fcp_io_channel
; qidx
++)
5281 lpfc_sli4_cq_release(phba
->sli4_hba
.fcp_cq
[qidx
],
5284 if (phba
->sli4_hba
.nvme_cq
)
5285 for (qidx
= 0; qidx
< phba
->cfg_nvme_io_channel
; qidx
++)
5286 lpfc_sli4_cq_release(phba
->sli4_hba
.nvme_cq
[qidx
],
5290 lpfc_sli4_cq_release(phba
->sli4_hba
.oas_cq
, LPFC_QUEUE_REARM
);
5292 if (phba
->sli4_hba
.hba_eq
)
5293 for (qidx
= 0; qidx
< phba
->io_channel_irqs
; qidx
++)
5294 lpfc_sli4_eq_release(phba
->sli4_hba
.hba_eq
[qidx
],
5297 if (phba
->nvmet_support
) {
5298 for (qidx
= 0; qidx
< phba
->cfg_nvmet_mrq
; qidx
++) {
5299 lpfc_sli4_cq_release(
5300 phba
->sli4_hba
.nvmet_cqset
[qidx
],
5306 lpfc_sli4_eq_release(phba
->sli4_hba
.fof_eq
, LPFC_QUEUE_REARM
);
5310 * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count.
5311 * @phba: Pointer to HBA context object.
5312 * @type: The resource extent type.
5313 * @extnt_count: buffer to hold port available extent count.
5314 * @extnt_size: buffer to hold element count per extent.
5316 * This function calls the port and retrievs the number of available
5317 * extents and their size for a particular extent type.
5319 * Returns: 0 if successful. Nonzero otherwise.
5322 lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba
*phba
, uint16_t type
,
5323 uint16_t *extnt_count
, uint16_t *extnt_size
)
5328 struct lpfc_mbx_get_rsrc_extent_info
*rsrc_info
;
5331 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5335 /* Find out how many extents are available for this resource type */
5336 length
= (sizeof(struct lpfc_mbx_get_rsrc_extent_info
) -
5337 sizeof(struct lpfc_sli4_cfg_mhdr
));
5338 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5339 LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO
,
5340 length
, LPFC_SLI4_MBX_EMBED
);
5342 /* Send an extents count of 0 - the GET doesn't use it. */
5343 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, 0, type
,
5344 LPFC_SLI4_MBX_EMBED
);
5350 if (!phba
->sli4_hba
.intr_enable
)
5351 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5353 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
5354 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5361 rsrc_info
= &mbox
->u
.mqe
.un
.rsrc_extent_info
;
5362 if (bf_get(lpfc_mbox_hdr_status
,
5363 &rsrc_info
->header
.cfg_shdr
.response
)) {
5364 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5365 "2930 Failed to get resource extents "
5366 "Status 0x%x Add'l Status 0x%x\n",
5367 bf_get(lpfc_mbox_hdr_status
,
5368 &rsrc_info
->header
.cfg_shdr
.response
),
5369 bf_get(lpfc_mbox_hdr_add_status
,
5370 &rsrc_info
->header
.cfg_shdr
.response
));
5375 *extnt_count
= bf_get(lpfc_mbx_get_rsrc_extent_info_cnt
,
5377 *extnt_size
= bf_get(lpfc_mbx_get_rsrc_extent_info_size
,
5380 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5381 "3162 Retrieved extents type-%d from port: count:%d, "
5382 "size:%d\n", type
, *extnt_count
, *extnt_size
);
5385 mempool_free(mbox
, phba
->mbox_mem_pool
);
5390 * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents.
5391 * @phba: Pointer to HBA context object.
5392 * @type: The extent type to check.
5394 * This function reads the current available extents from the port and checks
5395 * if the extent count or extent size has changed since the last access.
5396 * Callers use this routine post port reset to understand if there is a
5397 * extent reprovisioning requirement.
5400 * -Error: error indicates problem.
5401 * 1: Extent count or size has changed.
5405 lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba
*phba
, uint16_t type
)
5407 uint16_t curr_ext_cnt
, rsrc_ext_cnt
;
5408 uint16_t size_diff
, rsrc_ext_size
;
5410 struct lpfc_rsrc_blks
*rsrc_entry
;
5411 struct list_head
*rsrc_blk_list
= NULL
;
5415 rc
= lpfc_sli4_get_avail_extnt_rsrc(phba
, type
,
5422 case LPFC_RSC_TYPE_FCOE_RPI
:
5423 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
5425 case LPFC_RSC_TYPE_FCOE_VPI
:
5426 rsrc_blk_list
= &phba
->lpfc_vpi_blk_list
;
5428 case LPFC_RSC_TYPE_FCOE_XRI
:
5429 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
5431 case LPFC_RSC_TYPE_FCOE_VFI
:
5432 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
5438 list_for_each_entry(rsrc_entry
, rsrc_blk_list
, list
) {
5440 if (rsrc_entry
->rsrc_size
!= rsrc_ext_size
)
5444 if (curr_ext_cnt
!= rsrc_ext_cnt
|| size_diff
!= 0)
5451 * lpfc_sli4_cfg_post_extnts -
5452 * @phba: Pointer to HBA context object.
5453 * @extnt_cnt - number of available extents.
5454 * @type - the extent type (rpi, xri, vfi, vpi).
5455 * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation.
5456 * @mbox - pointer to the caller's allocated mailbox structure.
5458 * This function executes the extents allocation request. It also
5459 * takes care of the amount of memory needed to allocate or get the
5460 * allocated extents. It is the caller's responsibility to evaluate
5464 * -Error: Error value describes the condition found.
5468 lpfc_sli4_cfg_post_extnts(struct lpfc_hba
*phba
, uint16_t extnt_cnt
,
5469 uint16_t type
, bool *emb
, LPFC_MBOXQ_t
*mbox
)
5474 uint32_t alloc_len
, mbox_tmo
;
5476 /* Calculate the total requested length of the dma memory */
5477 req_len
= extnt_cnt
* sizeof(uint16_t);
5480 * Calculate the size of an embedded mailbox. The uint32_t
5481 * accounts for extents-specific word.
5483 emb_len
= sizeof(MAILBOX_t
) - sizeof(struct mbox_header
) -
5487 * Presume the allocation and response will fit into an embedded
5488 * mailbox. If not true, reconfigure to a non-embedded mailbox.
5490 *emb
= LPFC_SLI4_MBX_EMBED
;
5491 if (req_len
> emb_len
) {
5492 req_len
= extnt_cnt
* sizeof(uint16_t) +
5493 sizeof(union lpfc_sli4_cfg_shdr
) +
5495 *emb
= LPFC_SLI4_MBX_NEMBED
;
5498 alloc_len
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5499 LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT
,
5501 if (alloc_len
< req_len
) {
5502 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5503 "2982 Allocated DMA memory size (x%x) is "
5504 "less than the requested DMA memory "
5505 "size (x%x)\n", alloc_len
, req_len
);
5508 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, extnt_cnt
, type
, *emb
);
5512 if (!phba
->sli4_hba
.intr_enable
)
5513 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5515 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
5516 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5525 * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent.
5526 * @phba: Pointer to HBA context object.
5527 * @type: The resource extent type to allocate.
5529 * This function allocates the number of elements for the specified
5533 lpfc_sli4_alloc_extent(struct lpfc_hba
*phba
, uint16_t type
)
5536 uint16_t rsrc_id_cnt
, rsrc_cnt
, rsrc_size
;
5537 uint16_t rsrc_id
, rsrc_start
, j
, k
;
5540 unsigned long longs
;
5541 unsigned long *bmask
;
5542 struct lpfc_rsrc_blks
*rsrc_blks
;
5545 struct lpfc_id_range
*id_array
= NULL
;
5546 void *virtaddr
= NULL
;
5547 struct lpfc_mbx_nembed_rsrc_extent
*n_rsrc
;
5548 struct lpfc_mbx_alloc_rsrc_extents
*rsrc_ext
;
5549 struct list_head
*ext_blk_list
;
5551 rc
= lpfc_sli4_get_avail_extnt_rsrc(phba
, type
,
5557 if ((rsrc_cnt
== 0) || (rsrc_size
== 0)) {
5558 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5559 "3009 No available Resource Extents "
5560 "for resource type 0x%x: Count: 0x%x, "
5561 "Size 0x%x\n", type
, rsrc_cnt
,
5566 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_INIT
| LOG_SLI
,
5567 "2903 Post resource extents type-0x%x: "
5568 "count:%d, size %d\n", type
, rsrc_cnt
, rsrc_size
);
5570 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5574 rc
= lpfc_sli4_cfg_post_extnts(phba
, rsrc_cnt
, type
, &emb
, mbox
);
5581 * Figure out where the response is located. Then get local pointers
5582 * to the response data. The port does not guarantee to respond to
5583 * all extents counts request so update the local variable with the
5584 * allocated count from the port.
5586 if (emb
== LPFC_SLI4_MBX_EMBED
) {
5587 rsrc_ext
= &mbox
->u
.mqe
.un
.alloc_rsrc_extents
;
5588 id_array
= &rsrc_ext
->u
.rsp
.id
[0];
5589 rsrc_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, &rsrc_ext
->u
.rsp
);
5591 virtaddr
= mbox
->sge_array
->addr
[0];
5592 n_rsrc
= (struct lpfc_mbx_nembed_rsrc_extent
*) virtaddr
;
5593 rsrc_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, n_rsrc
);
5594 id_array
= &n_rsrc
->id
;
5597 longs
= ((rsrc_cnt
* rsrc_size
) + BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5598 rsrc_id_cnt
= rsrc_cnt
* rsrc_size
;
5601 * Based on the resource size and count, correct the base and max
5604 length
= sizeof(struct lpfc_rsrc_blks
);
5606 case LPFC_RSC_TYPE_FCOE_RPI
:
5607 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
*
5608 sizeof(unsigned long),
5610 if (unlikely(!phba
->sli4_hba
.rpi_bmask
)) {
5614 phba
->sli4_hba
.rpi_ids
= kzalloc(rsrc_id_cnt
*
5617 if (unlikely(!phba
->sli4_hba
.rpi_ids
)) {
5618 kfree(phba
->sli4_hba
.rpi_bmask
);
5624 * The next_rpi was initialized with the maximum available
5625 * count but the port may allocate a smaller number. Catch
5626 * that case and update the next_rpi.
5628 phba
->sli4_hba
.next_rpi
= rsrc_id_cnt
;
5630 /* Initialize local ptrs for common extent processing later. */
5631 bmask
= phba
->sli4_hba
.rpi_bmask
;
5632 ids
= phba
->sli4_hba
.rpi_ids
;
5633 ext_blk_list
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
5635 case LPFC_RSC_TYPE_FCOE_VPI
:
5636 phba
->vpi_bmask
= kzalloc(longs
*
5637 sizeof(unsigned long),
5639 if (unlikely(!phba
->vpi_bmask
)) {
5643 phba
->vpi_ids
= kzalloc(rsrc_id_cnt
*
5646 if (unlikely(!phba
->vpi_ids
)) {
5647 kfree(phba
->vpi_bmask
);
5652 /* Initialize local ptrs for common extent processing later. */
5653 bmask
= phba
->vpi_bmask
;
5654 ids
= phba
->vpi_ids
;
5655 ext_blk_list
= &phba
->lpfc_vpi_blk_list
;
5657 case LPFC_RSC_TYPE_FCOE_XRI
:
5658 phba
->sli4_hba
.xri_bmask
= kzalloc(longs
*
5659 sizeof(unsigned long),
5661 if (unlikely(!phba
->sli4_hba
.xri_bmask
)) {
5665 phba
->sli4_hba
.max_cfg_param
.xri_used
= 0;
5666 phba
->sli4_hba
.xri_ids
= kzalloc(rsrc_id_cnt
*
5669 if (unlikely(!phba
->sli4_hba
.xri_ids
)) {
5670 kfree(phba
->sli4_hba
.xri_bmask
);
5675 /* Initialize local ptrs for common extent processing later. */
5676 bmask
= phba
->sli4_hba
.xri_bmask
;
5677 ids
= phba
->sli4_hba
.xri_ids
;
5678 ext_blk_list
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
5680 case LPFC_RSC_TYPE_FCOE_VFI
:
5681 phba
->sli4_hba
.vfi_bmask
= kzalloc(longs
*
5682 sizeof(unsigned long),
5684 if (unlikely(!phba
->sli4_hba
.vfi_bmask
)) {
5688 phba
->sli4_hba
.vfi_ids
= kzalloc(rsrc_id_cnt
*
5691 if (unlikely(!phba
->sli4_hba
.vfi_ids
)) {
5692 kfree(phba
->sli4_hba
.vfi_bmask
);
5697 /* Initialize local ptrs for common extent processing later. */
5698 bmask
= phba
->sli4_hba
.vfi_bmask
;
5699 ids
= phba
->sli4_hba
.vfi_ids
;
5700 ext_blk_list
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
5703 /* Unsupported Opcode. Fail call. */
5707 ext_blk_list
= NULL
;
5712 * Complete initializing the extent configuration with the
5713 * allocated ids assigned to this function. The bitmask serves
5714 * as an index into the array and manages the available ids. The
5715 * array just stores the ids communicated to the port via the wqes.
5717 for (i
= 0, j
= 0, k
= 0; i
< rsrc_cnt
; i
++) {
5719 rsrc_id
= bf_get(lpfc_mbx_rsrc_id_word4_0
,
5722 rsrc_id
= bf_get(lpfc_mbx_rsrc_id_word4_1
,
5725 rsrc_blks
= kzalloc(length
, GFP_KERNEL
);
5726 if (unlikely(!rsrc_blks
)) {
5732 rsrc_blks
->rsrc_start
= rsrc_id
;
5733 rsrc_blks
->rsrc_size
= rsrc_size
;
5734 list_add_tail(&rsrc_blks
->list
, ext_blk_list
);
5735 rsrc_start
= rsrc_id
;
5736 if ((type
== LPFC_RSC_TYPE_FCOE_XRI
) && (j
== 0)) {
5737 phba
->sli4_hba
.scsi_xri_start
= rsrc_start
+
5738 lpfc_sli4_get_iocb_cnt(phba
);
5739 phba
->sli4_hba
.nvme_xri_start
=
5740 phba
->sli4_hba
.scsi_xri_start
+
5741 phba
->sli4_hba
.scsi_xri_max
;
5744 while (rsrc_id
< (rsrc_start
+ rsrc_size
)) {
5749 /* Entire word processed. Get next word.*/
5754 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
5761 * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent.
5762 * @phba: Pointer to HBA context object.
5763 * @type: the extent's type.
5765 * This function deallocates all extents of a particular resource type.
5766 * SLI4 does not allow for deallocating a particular extent range. It
5767 * is the caller's responsibility to release all kernel memory resources.
5770 lpfc_sli4_dealloc_extent(struct lpfc_hba
*phba
, uint16_t type
)
5773 uint32_t length
, mbox_tmo
= 0;
5775 struct lpfc_mbx_dealloc_rsrc_extents
*dealloc_rsrc
;
5776 struct lpfc_rsrc_blks
*rsrc_blk
, *rsrc_blk_next
;
5778 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5783 * This function sends an embedded mailbox because it only sends the
5784 * the resource type. All extents of this type are released by the
5787 length
= (sizeof(struct lpfc_mbx_dealloc_rsrc_extents
) -
5788 sizeof(struct lpfc_sli4_cfg_mhdr
));
5789 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5790 LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT
,
5791 length
, LPFC_SLI4_MBX_EMBED
);
5793 /* Send an extents count of 0 - the dealloc doesn't use it. */
5794 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, 0, type
,
5795 LPFC_SLI4_MBX_EMBED
);
5800 if (!phba
->sli4_hba
.intr_enable
)
5801 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5803 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
5804 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5811 dealloc_rsrc
= &mbox
->u
.mqe
.un
.dealloc_rsrc_extents
;
5812 if (bf_get(lpfc_mbox_hdr_status
,
5813 &dealloc_rsrc
->header
.cfg_shdr
.response
)) {
5814 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5815 "2919 Failed to release resource extents "
5816 "for type %d - Status 0x%x Add'l Status 0x%x. "
5817 "Resource memory not released.\n",
5819 bf_get(lpfc_mbox_hdr_status
,
5820 &dealloc_rsrc
->header
.cfg_shdr
.response
),
5821 bf_get(lpfc_mbox_hdr_add_status
,
5822 &dealloc_rsrc
->header
.cfg_shdr
.response
));
5827 /* Release kernel memory resources for the specific type. */
5829 case LPFC_RSC_TYPE_FCOE_VPI
:
5830 kfree(phba
->vpi_bmask
);
5831 kfree(phba
->vpi_ids
);
5832 bf_set(lpfc_vpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5833 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5834 &phba
->lpfc_vpi_blk_list
, list
) {
5835 list_del_init(&rsrc_blk
->list
);
5838 phba
->sli4_hba
.max_cfg_param
.vpi_used
= 0;
5840 case LPFC_RSC_TYPE_FCOE_XRI
:
5841 kfree(phba
->sli4_hba
.xri_bmask
);
5842 kfree(phba
->sli4_hba
.xri_ids
);
5843 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5844 &phba
->sli4_hba
.lpfc_xri_blk_list
, list
) {
5845 list_del_init(&rsrc_blk
->list
);
5849 case LPFC_RSC_TYPE_FCOE_VFI
:
5850 kfree(phba
->sli4_hba
.vfi_bmask
);
5851 kfree(phba
->sli4_hba
.vfi_ids
);
5852 bf_set(lpfc_vfi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5853 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5854 &phba
->sli4_hba
.lpfc_vfi_blk_list
, list
) {
5855 list_del_init(&rsrc_blk
->list
);
5859 case LPFC_RSC_TYPE_FCOE_RPI
:
5860 /* RPI bitmask and physical id array are cleaned up earlier. */
5861 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5862 &phba
->sli4_hba
.lpfc_rpi_blk_list
, list
) {
5863 list_del_init(&rsrc_blk
->list
);
5871 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5874 mempool_free(mbox
, phba
->mbox_mem_pool
);
5879 lpfc_set_features(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mbox
,
5884 len
= sizeof(struct lpfc_mbx_set_feature
) -
5885 sizeof(struct lpfc_sli4_cfg_mhdr
);
5886 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5887 LPFC_MBOX_OPCODE_SET_FEATURES
, len
,
5888 LPFC_SLI4_MBX_EMBED
);
5891 case LPFC_SET_UE_RECOVERY
:
5892 bf_set(lpfc_mbx_set_feature_UER
,
5893 &mbox
->u
.mqe
.un
.set_feature
, 1);
5894 mbox
->u
.mqe
.un
.set_feature
.feature
= LPFC_SET_UE_RECOVERY
;
5895 mbox
->u
.mqe
.un
.set_feature
.param_len
= 8;
5897 case LPFC_SET_MDS_DIAGS
:
5898 bf_set(lpfc_mbx_set_feature_mds
,
5899 &mbox
->u
.mqe
.un
.set_feature
, 1);
5900 bf_set(lpfc_mbx_set_feature_mds_deep_loopbk
,
5901 &mbox
->u
.mqe
.un
.set_feature
, 0);
5902 mbox
->u
.mqe
.un
.set_feature
.feature
= LPFC_SET_MDS_DIAGS
;
5903 mbox
->u
.mqe
.un
.set_feature
.param_len
= 8;
5911 * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents.
5912 * @phba: Pointer to HBA context object.
5914 * This function allocates all SLI4 resource identifiers.
5917 lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba
*phba
)
5919 int i
, rc
, error
= 0;
5920 uint16_t count
, base
;
5921 unsigned long longs
;
5923 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5924 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
5925 if (phba
->sli4_hba
.extents_in_use
) {
5927 * The port supports resource extents. The XRI, VPI, VFI, RPI
5928 * resource extent count must be read and allocated before
5929 * provisioning the resource id arrays.
5931 if (bf_get(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) ==
5932 LPFC_IDX_RSRC_RDY
) {
5934 * Extent-based resources are set - the driver could
5935 * be in a port reset. Figure out if any corrective
5936 * actions need to be taken.
5938 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5939 LPFC_RSC_TYPE_FCOE_VFI
);
5942 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5943 LPFC_RSC_TYPE_FCOE_VPI
);
5946 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5947 LPFC_RSC_TYPE_FCOE_XRI
);
5950 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5951 LPFC_RSC_TYPE_FCOE_RPI
);
5956 * It's possible that the number of resources
5957 * provided to this port instance changed between
5958 * resets. Detect this condition and reallocate
5959 * resources. Otherwise, there is no action.
5962 lpfc_printf_log(phba
, KERN_INFO
,
5963 LOG_MBOX
| LOG_INIT
,
5964 "2931 Detected extent resource "
5965 "change. Reallocating all "
5967 rc
= lpfc_sli4_dealloc_extent(phba
,
5968 LPFC_RSC_TYPE_FCOE_VFI
);
5969 rc
= lpfc_sli4_dealloc_extent(phba
,
5970 LPFC_RSC_TYPE_FCOE_VPI
);
5971 rc
= lpfc_sli4_dealloc_extent(phba
,
5972 LPFC_RSC_TYPE_FCOE_XRI
);
5973 rc
= lpfc_sli4_dealloc_extent(phba
,
5974 LPFC_RSC_TYPE_FCOE_RPI
);
5979 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VFI
);
5983 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VPI
);
5987 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_RPI
);
5991 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_XRI
);
5994 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
5999 * The port does not support resource extents. The XRI, VPI,
6000 * VFI, RPI resource ids were determined from READ_CONFIG.
6001 * Just allocate the bitmasks and provision the resource id
6002 * arrays. If a port reset is active, the resources don't
6003 * need any action - just exit.
6005 if (bf_get(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) ==
6006 LPFC_IDX_RSRC_RDY
) {
6007 lpfc_sli4_dealloc_resource_identifiers(phba
);
6008 lpfc_sli4_remove_rpis(phba
);
6011 count
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
6013 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6014 "3279 Invalid provisioning of "
6019 base
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
6020 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
6021 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
*
6022 sizeof(unsigned long),
6024 if (unlikely(!phba
->sli4_hba
.rpi_bmask
)) {
6028 phba
->sli4_hba
.rpi_ids
= kzalloc(count
*
6031 if (unlikely(!phba
->sli4_hba
.rpi_ids
)) {
6033 goto free_rpi_bmask
;
6036 for (i
= 0; i
< count
; i
++)
6037 phba
->sli4_hba
.rpi_ids
[i
] = base
+ i
;
6040 count
= phba
->sli4_hba
.max_cfg_param
.max_vpi
;
6042 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6043 "3280 Invalid provisioning of "
6048 base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
6049 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
6050 phba
->vpi_bmask
= kzalloc(longs
*
6051 sizeof(unsigned long),
6053 if (unlikely(!phba
->vpi_bmask
)) {
6057 phba
->vpi_ids
= kzalloc(count
*
6060 if (unlikely(!phba
->vpi_ids
)) {
6062 goto free_vpi_bmask
;
6065 for (i
= 0; i
< count
; i
++)
6066 phba
->vpi_ids
[i
] = base
+ i
;
6069 count
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
6071 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6072 "3281 Invalid provisioning of "
6077 base
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
6078 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
6079 phba
->sli4_hba
.xri_bmask
= kzalloc(longs
*
6080 sizeof(unsigned long),
6082 if (unlikely(!phba
->sli4_hba
.xri_bmask
)) {
6086 phba
->sli4_hba
.max_cfg_param
.xri_used
= 0;
6087 phba
->sli4_hba
.xri_ids
= kzalloc(count
*
6090 if (unlikely(!phba
->sli4_hba
.xri_ids
)) {
6092 goto free_xri_bmask
;
6095 for (i
= 0; i
< count
; i
++)
6096 phba
->sli4_hba
.xri_ids
[i
] = base
+ i
;
6099 count
= phba
->sli4_hba
.max_cfg_param
.max_vfi
;
6101 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6102 "3282 Invalid provisioning of "
6107 base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
6108 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
6109 phba
->sli4_hba
.vfi_bmask
= kzalloc(longs
*
6110 sizeof(unsigned long),
6112 if (unlikely(!phba
->sli4_hba
.vfi_bmask
)) {
6116 phba
->sli4_hba
.vfi_ids
= kzalloc(count
*
6119 if (unlikely(!phba
->sli4_hba
.vfi_ids
)) {
6121 goto free_vfi_bmask
;
6124 for (i
= 0; i
< count
; i
++)
6125 phba
->sli4_hba
.vfi_ids
[i
] = base
+ i
;
6128 * Mark all resources ready. An HBA reset doesn't need
6129 * to reset the initialization.
6131 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
6137 kfree(phba
->sli4_hba
.vfi_bmask
);
6138 phba
->sli4_hba
.vfi_bmask
= NULL
;
6140 kfree(phba
->sli4_hba
.xri_ids
);
6141 phba
->sli4_hba
.xri_ids
= NULL
;
6143 kfree(phba
->sli4_hba
.xri_bmask
);
6144 phba
->sli4_hba
.xri_bmask
= NULL
;
6146 kfree(phba
->vpi_ids
);
6147 phba
->vpi_ids
= NULL
;
6149 kfree(phba
->vpi_bmask
);
6150 phba
->vpi_bmask
= NULL
;
6152 kfree(phba
->sli4_hba
.rpi_ids
);
6153 phba
->sli4_hba
.rpi_ids
= NULL
;
6155 kfree(phba
->sli4_hba
.rpi_bmask
);
6156 phba
->sli4_hba
.rpi_bmask
= NULL
;
6162 * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents.
6163 * @phba: Pointer to HBA context object.
6165 * This function allocates the number of elements for the specified
6169 lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba
*phba
)
6171 if (phba
->sli4_hba
.extents_in_use
) {
6172 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VPI
);
6173 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_RPI
);
6174 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_XRI
);
6175 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VFI
);
6177 kfree(phba
->vpi_bmask
);
6178 phba
->sli4_hba
.max_cfg_param
.vpi_used
= 0;
6179 kfree(phba
->vpi_ids
);
6180 bf_set(lpfc_vpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
6181 kfree(phba
->sli4_hba
.xri_bmask
);
6182 kfree(phba
->sli4_hba
.xri_ids
);
6183 kfree(phba
->sli4_hba
.vfi_bmask
);
6184 kfree(phba
->sli4_hba
.vfi_ids
);
6185 bf_set(lpfc_vfi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
6186 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
6193 * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents.
6194 * @phba: Pointer to HBA context object.
6195 * @type: The resource extent type.
6196 * @extnt_count: buffer to hold port extent count response
6197 * @extnt_size: buffer to hold port extent size response.
6199 * This function calls the port to read the host allocated extents
6200 * for a particular type.
6203 lpfc_sli4_get_allocated_extnts(struct lpfc_hba
*phba
, uint16_t type
,
6204 uint16_t *extnt_cnt
, uint16_t *extnt_size
)
6208 uint16_t curr_blks
= 0;
6209 uint32_t req_len
, emb_len
;
6210 uint32_t alloc_len
, mbox_tmo
;
6211 struct list_head
*blk_list_head
;
6212 struct lpfc_rsrc_blks
*rsrc_blk
;
6214 void *virtaddr
= NULL
;
6215 struct lpfc_mbx_nembed_rsrc_extent
*n_rsrc
;
6216 struct lpfc_mbx_alloc_rsrc_extents
*rsrc_ext
;
6217 union lpfc_sli4_cfg_shdr
*shdr
;
6220 case LPFC_RSC_TYPE_FCOE_VPI
:
6221 blk_list_head
= &phba
->lpfc_vpi_blk_list
;
6223 case LPFC_RSC_TYPE_FCOE_XRI
:
6224 blk_list_head
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
6226 case LPFC_RSC_TYPE_FCOE_VFI
:
6227 blk_list_head
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
6229 case LPFC_RSC_TYPE_FCOE_RPI
:
6230 blk_list_head
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
6236 /* Count the number of extents currently allocatd for this type. */
6237 list_for_each_entry(rsrc_blk
, blk_list_head
, list
) {
6238 if (curr_blks
== 0) {
6240 * The GET_ALLOCATED mailbox does not return the size,
6241 * just the count. The size should be just the size
6242 * stored in the current allocated block and all sizes
6243 * for an extent type are the same so set the return
6246 *extnt_size
= rsrc_blk
->rsrc_size
;
6252 * Calculate the size of an embedded mailbox. The uint32_t
6253 * accounts for extents-specific word.
6255 emb_len
= sizeof(MAILBOX_t
) - sizeof(struct mbox_header
) -
6259 * Presume the allocation and response will fit into an embedded
6260 * mailbox. If not true, reconfigure to a non-embedded mailbox.
6262 emb
= LPFC_SLI4_MBX_EMBED
;
6264 if (req_len
> emb_len
) {
6265 req_len
= curr_blks
* sizeof(uint16_t) +
6266 sizeof(union lpfc_sli4_cfg_shdr
) +
6268 emb
= LPFC_SLI4_MBX_NEMBED
;
6271 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6274 memset(mbox
, 0, sizeof(LPFC_MBOXQ_t
));
6276 alloc_len
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6277 LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT
,
6279 if (alloc_len
< req_len
) {
6280 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6281 "2983 Allocated DMA memory size (x%x) is "
6282 "less than the requested DMA memory "
6283 "size (x%x)\n", alloc_len
, req_len
);
6287 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, curr_blks
, type
, emb
);
6293 if (!phba
->sli4_hba
.intr_enable
)
6294 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
6296 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
6297 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
6306 * Figure out where the response is located. Then get local pointers
6307 * to the response data. The port does not guarantee to respond to
6308 * all extents counts request so update the local variable with the
6309 * allocated count from the port.
6311 if (emb
== LPFC_SLI4_MBX_EMBED
) {
6312 rsrc_ext
= &mbox
->u
.mqe
.un
.alloc_rsrc_extents
;
6313 shdr
= &rsrc_ext
->header
.cfg_shdr
;
6314 *extnt_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, &rsrc_ext
->u
.rsp
);
6316 virtaddr
= mbox
->sge_array
->addr
[0];
6317 n_rsrc
= (struct lpfc_mbx_nembed_rsrc_extent
*) virtaddr
;
6318 shdr
= &n_rsrc
->cfg_shdr
;
6319 *extnt_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, n_rsrc
);
6322 if (bf_get(lpfc_mbox_hdr_status
, &shdr
->response
)) {
6323 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
6324 "2984 Failed to read allocated resources "
6325 "for type %d - Status 0x%x Add'l Status 0x%x.\n",
6327 bf_get(lpfc_mbox_hdr_status
, &shdr
->response
),
6328 bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
));
6333 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
6338 * lpfc_sli4_repost_sgl_list - Repsot the buffers sgl pages as block
6339 * @phba: pointer to lpfc hba data structure.
6340 * @pring: Pointer to driver SLI ring object.
6341 * @sgl_list: linked link of sgl buffers to post
6342 * @cnt: number of linked list buffers
6344 * This routine walks the list of buffers that have been allocated and
6345 * repost them to the port by using SGL block post. This is needed after a
6346 * pci_function_reset/warm_start or start. It attempts to construct blocks
6347 * of buffer sgls which contains contiguous xris and uses the non-embedded
6348 * SGL block post mailbox commands to post them to the port. For single
6349 * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post
6350 * mailbox command for posting.
6352 * Returns: 0 = success, non-zero failure.
6355 lpfc_sli4_repost_sgl_list(struct lpfc_hba
*phba
,
6356 struct list_head
*sgl_list
, int cnt
)
6358 struct lpfc_sglq
*sglq_entry
= NULL
;
6359 struct lpfc_sglq
*sglq_entry_next
= NULL
;
6360 struct lpfc_sglq
*sglq_entry_first
= NULL
;
6361 int status
, total_cnt
;
6362 int post_cnt
= 0, num_posted
= 0, block_cnt
= 0;
6363 int last_xritag
= NO_XRI
;
6364 LIST_HEAD(prep_sgl_list
);
6365 LIST_HEAD(blck_sgl_list
);
6366 LIST_HEAD(allc_sgl_list
);
6367 LIST_HEAD(post_sgl_list
);
6368 LIST_HEAD(free_sgl_list
);
6370 spin_lock_irq(&phba
->hbalock
);
6371 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
6372 list_splice_init(sgl_list
, &allc_sgl_list
);
6373 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
6374 spin_unlock_irq(&phba
->hbalock
);
6377 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
6378 &allc_sgl_list
, list
) {
6379 list_del_init(&sglq_entry
->list
);
6381 if ((last_xritag
!= NO_XRI
) &&
6382 (sglq_entry
->sli4_xritag
!= last_xritag
+ 1)) {
6383 /* a hole in xri block, form a sgl posting block */
6384 list_splice_init(&prep_sgl_list
, &blck_sgl_list
);
6385 post_cnt
= block_cnt
- 1;
6386 /* prepare list for next posting block */
6387 list_add_tail(&sglq_entry
->list
, &prep_sgl_list
);
6390 /* prepare list for next posting block */
6391 list_add_tail(&sglq_entry
->list
, &prep_sgl_list
);
6392 /* enough sgls for non-embed sgl mbox command */
6393 if (block_cnt
== LPFC_NEMBED_MBOX_SGL_CNT
) {
6394 list_splice_init(&prep_sgl_list
,
6396 post_cnt
= block_cnt
;
6402 /* keep track of last sgl's xritag */
6403 last_xritag
= sglq_entry
->sli4_xritag
;
6405 /* end of repost sgl list condition for buffers */
6406 if (num_posted
== total_cnt
) {
6407 if (post_cnt
== 0) {
6408 list_splice_init(&prep_sgl_list
,
6410 post_cnt
= block_cnt
;
6411 } else if (block_cnt
== 1) {
6412 status
= lpfc_sli4_post_sgl(phba
,
6413 sglq_entry
->phys
, 0,
6414 sglq_entry
->sli4_xritag
);
6416 /* successful, put sgl to posted list */
6417 list_add_tail(&sglq_entry
->list
,
6420 /* Failure, put sgl to free list */
6421 lpfc_printf_log(phba
, KERN_WARNING
,
6423 "3159 Failed to post "
6424 "sgl, xritag:x%x\n",
6425 sglq_entry
->sli4_xritag
);
6426 list_add_tail(&sglq_entry
->list
,
6433 /* continue until a nembed page worth of sgls */
6437 /* post the buffer list sgls as a block */
6438 status
= lpfc_sli4_post_sgl_list(phba
, &blck_sgl_list
,
6442 /* success, put sgl list to posted sgl list */
6443 list_splice_init(&blck_sgl_list
, &post_sgl_list
);
6445 /* Failure, put sgl list to free sgl list */
6446 sglq_entry_first
= list_first_entry(&blck_sgl_list
,
6449 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6450 "3160 Failed to post sgl-list, "
6452 sglq_entry_first
->sli4_xritag
,
6453 (sglq_entry_first
->sli4_xritag
+
6455 list_splice_init(&blck_sgl_list
, &free_sgl_list
);
6456 total_cnt
-= post_cnt
;
6459 /* don't reset xirtag due to hole in xri block */
6461 last_xritag
= NO_XRI
;
6463 /* reset sgl post count for next round of posting */
6467 /* free the sgls failed to post */
6468 lpfc_free_sgl_list(phba
, &free_sgl_list
);
6470 /* push sgls posted to the available list */
6471 if (!list_empty(&post_sgl_list
)) {
6472 spin_lock_irq(&phba
->hbalock
);
6473 spin_lock(&phba
->sli4_hba
.sgl_list_lock
);
6474 list_splice_init(&post_sgl_list
, sgl_list
);
6475 spin_unlock(&phba
->sli4_hba
.sgl_list_lock
);
6476 spin_unlock_irq(&phba
->hbalock
);
6478 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6479 "3161 Failure to post sgl to port.\n");
6483 /* return the number of XRIs actually posted */
6488 lpfc_set_host_data(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mbox
)
6492 len
= sizeof(struct lpfc_mbx_set_host_data
) -
6493 sizeof(struct lpfc_sli4_cfg_mhdr
);
6494 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
6495 LPFC_MBOX_OPCODE_SET_HOST_DATA
, len
,
6496 LPFC_SLI4_MBX_EMBED
);
6498 mbox
->u
.mqe
.un
.set_host_data
.param_id
= LPFC_SET_HOST_OS_DRIVER_VERSION
;
6499 mbox
->u
.mqe
.un
.set_host_data
.param_len
=
6500 LPFC_HOST_OS_DRIVER_VERSION_SIZE
;
6501 snprintf(mbox
->u
.mqe
.un
.set_host_data
.data
,
6502 LPFC_HOST_OS_DRIVER_VERSION_SIZE
,
6503 "Linux %s v"LPFC_DRIVER_VERSION
,
6504 (phba
->hba_flag
& HBA_FCOE_MODE
) ? "FCoE" : "FC");
6508 * lpfc_sli4_hba_setup - SLI4 device intialization PCI function
6509 * @phba: Pointer to HBA context object.
6511 * This function is the main SLI4 device intialization PCI function. This
6512 * function is called by the HBA intialization code, HBA reset code and
6513 * HBA error attention handler code. Caller is not required to hold any
6517 lpfc_sli4_hba_setup(struct lpfc_hba
*phba
)
6520 LPFC_MBOXQ_t
*mboxq
;
6521 struct lpfc_mqe
*mqe
;
6524 uint32_t ftr_rsp
= 0;
6525 struct Scsi_Host
*shost
= lpfc_shost_from_vport(phba
->pport
);
6526 struct lpfc_vport
*vport
= phba
->pport
;
6527 struct lpfc_dmabuf
*mp
;
6528 struct lpfc_rqb
*rqbp
;
6530 /* Perform a PCI function reset to start from clean */
6531 rc
= lpfc_pci_function_reset(phba
);
6535 /* Check the HBA Host Status Register for readyness */
6536 rc
= lpfc_sli4_post_status_check(phba
);
6540 spin_lock_irq(&phba
->hbalock
);
6541 phba
->sli
.sli_flag
|= LPFC_SLI_ACTIVE
;
6542 spin_unlock_irq(&phba
->hbalock
);
6546 * Allocate a single mailbox container for initializing the
6549 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6553 /* Issue READ_REV to collect vpd and FW information. */
6554 vpd_size
= SLI4_PAGE_SIZE
;
6555 vpd
= kzalloc(vpd_size
, GFP_KERNEL
);
6561 rc
= lpfc_sli4_read_rev(phba
, mboxq
, vpd
, &vpd_size
);
6567 mqe
= &mboxq
->u
.mqe
;
6568 phba
->sli_rev
= bf_get(lpfc_mbx_rd_rev_sli_lvl
, &mqe
->un
.read_rev
);
6569 if (bf_get(lpfc_mbx_rd_rev_fcoe
, &mqe
->un
.read_rev
)) {
6570 phba
->hba_flag
|= HBA_FCOE_MODE
;
6571 phba
->fcp_embed_io
= 0; /* SLI4 FC support only */
6573 phba
->hba_flag
&= ~HBA_FCOE_MODE
;
6576 if (bf_get(lpfc_mbx_rd_rev_cee_ver
, &mqe
->un
.read_rev
) ==
6578 phba
->hba_flag
|= HBA_FIP_SUPPORT
;
6580 phba
->hba_flag
&= ~HBA_FIP_SUPPORT
;
6582 phba
->hba_flag
&= ~HBA_FCP_IOQ_FLUSH
;
6584 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
6585 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6586 "0376 READ_REV Error. SLI Level %d "
6587 "FCoE enabled %d\n",
6588 phba
->sli_rev
, phba
->hba_flag
& HBA_FCOE_MODE
);
6595 * Continue initialization with default values even if driver failed
6596 * to read FCoE param config regions, only read parameters if the
6599 if (phba
->hba_flag
& HBA_FCOE_MODE
&&
6600 lpfc_sli4_read_fcoe_params(phba
))
6601 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_INIT
,
6602 "2570 Failed to read FCoE parameters\n");
6605 * Retrieve sli4 device physical port name, failure of doing it
6606 * is considered as non-fatal.
6608 rc
= lpfc_sli4_retrieve_pport_name(phba
);
6610 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6611 "3080 Successful retrieving SLI4 device "
6612 "physical port name: %s.\n", phba
->Port
);
6615 * Evaluate the read rev and vpd data. Populate the driver
6616 * state with the results. If this routine fails, the failure
6617 * is not fatal as the driver will use generic values.
6619 rc
= lpfc_parse_vpd(phba
, vpd
, vpd_size
);
6620 if (unlikely(!rc
)) {
6621 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6622 "0377 Error %d parsing vpd. "
6623 "Using defaults.\n", rc
);
6628 /* Save information as VPD data */
6629 phba
->vpd
.rev
.biuRev
= mqe
->un
.read_rev
.first_hw_rev
;
6630 phba
->vpd
.rev
.smRev
= mqe
->un
.read_rev
.second_hw_rev
;
6631 phba
->vpd
.rev
.endecRev
= mqe
->un
.read_rev
.third_hw_rev
;
6632 phba
->vpd
.rev
.fcphHigh
= bf_get(lpfc_mbx_rd_rev_fcph_high
,
6634 phba
->vpd
.rev
.fcphLow
= bf_get(lpfc_mbx_rd_rev_fcph_low
,
6636 phba
->vpd
.rev
.feaLevelHigh
= bf_get(lpfc_mbx_rd_rev_ftr_lvl_high
,
6638 phba
->vpd
.rev
.feaLevelLow
= bf_get(lpfc_mbx_rd_rev_ftr_lvl_low
,
6640 phba
->vpd
.rev
.sli1FwRev
= mqe
->un
.read_rev
.fw_id_rev
;
6641 memcpy(phba
->vpd
.rev
.sli1FwName
, mqe
->un
.read_rev
.fw_name
, 16);
6642 phba
->vpd
.rev
.sli2FwRev
= mqe
->un
.read_rev
.ulp_fw_id_rev
;
6643 memcpy(phba
->vpd
.rev
.sli2FwName
, mqe
->un
.read_rev
.ulp_fw_name
, 16);
6644 phba
->vpd
.rev
.opFwRev
= mqe
->un
.read_rev
.fw_id_rev
;
6645 memcpy(phba
->vpd
.rev
.opFwName
, mqe
->un
.read_rev
.fw_name
, 16);
6646 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6647 "(%d):0380 READ_REV Status x%x "
6648 "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n",
6649 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6650 bf_get(lpfc_mqe_status
, mqe
),
6651 phba
->vpd
.rev
.opFwName
,
6652 phba
->vpd
.rev
.fcphHigh
, phba
->vpd
.rev
.fcphLow
,
6653 phba
->vpd
.rev
.feaLevelHigh
, phba
->vpd
.rev
.feaLevelLow
);
6655 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
6656 rc
= (phba
->sli4_hba
.max_cfg_param
.max_xri
>> 3);
6657 if (phba
->pport
->cfg_lun_queue_depth
> rc
) {
6658 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
6659 "3362 LUN queue depth changed from %d to %d\n",
6660 phba
->pport
->cfg_lun_queue_depth
, rc
);
6661 phba
->pport
->cfg_lun_queue_depth
= rc
;
6664 if (bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
) ==
6665 LPFC_SLI_INTF_IF_TYPE_0
) {
6666 lpfc_set_features(phba
, mboxq
, LPFC_SET_UE_RECOVERY
);
6667 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6668 if (rc
== MBX_SUCCESS
) {
6669 phba
->hba_flag
|= HBA_RECOVERABLE_UE
;
6670 /* Set 1Sec interval to detect UE */
6671 phba
->eratt_poll_interval
= 1;
6672 phba
->sli4_hba
.ue_to_sr
= bf_get(
6673 lpfc_mbx_set_feature_UESR
,
6674 &mboxq
->u
.mqe
.un
.set_feature
);
6675 phba
->sli4_hba
.ue_to_rp
= bf_get(
6676 lpfc_mbx_set_feature_UERP
,
6677 &mboxq
->u
.mqe
.un
.set_feature
);
6681 if (phba
->cfg_enable_mds_diags
&& phba
->mds_diags_support
) {
6682 /* Enable MDS Diagnostics only if the SLI Port supports it */
6683 lpfc_set_features(phba
, mboxq
, LPFC_SET_MDS_DIAGS
);
6684 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6685 if (rc
!= MBX_SUCCESS
)
6686 phba
->mds_diags_support
= 0;
6690 * Discover the port's supported feature set and match it against the
6693 lpfc_request_features(phba
, mboxq
);
6694 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6701 * The port must support FCP initiator mode as this is the
6702 * only mode running in the host.
6704 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi
, &mqe
->un
.req_ftrs
))) {
6705 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
6706 "0378 No support for fcpi mode.\n");
6709 if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh
, &mqe
->un
.req_ftrs
))
6710 phba
->sli3_options
|= LPFC_SLI4_PERFH_ENABLED
;
6712 phba
->sli3_options
&= ~LPFC_SLI4_PERFH_ENABLED
;
6714 * If the port cannot support the host's requested features
6715 * then turn off the global config parameters to disable the
6716 * feature in the driver. This is not a fatal error.
6718 phba
->sli3_options
&= ~LPFC_SLI3_BG_ENABLED
;
6719 if (phba
->cfg_enable_bg
) {
6720 if (bf_get(lpfc_mbx_rq_ftr_rsp_dif
, &mqe
->un
.req_ftrs
))
6721 phba
->sli3_options
|= LPFC_SLI3_BG_ENABLED
;
6726 if (phba
->max_vpi
&& phba
->cfg_enable_npiv
&&
6727 !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv
, &mqe
->un
.req_ftrs
)))
6731 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
6732 "0379 Feature Mismatch Data: x%08x %08x "
6733 "x%x x%x x%x\n", mqe
->un
.req_ftrs
.word2
,
6734 mqe
->un
.req_ftrs
.word3
, phba
->cfg_enable_bg
,
6735 phba
->cfg_enable_npiv
, phba
->max_vpi
);
6736 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif
, &mqe
->un
.req_ftrs
)))
6737 phba
->cfg_enable_bg
= 0;
6738 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv
, &mqe
->un
.req_ftrs
)))
6739 phba
->cfg_enable_npiv
= 0;
6742 /* These SLI3 features are assumed in SLI4 */
6743 spin_lock_irq(&phba
->hbalock
);
6744 phba
->sli3_options
|= (LPFC_SLI3_NPIV_ENABLED
| LPFC_SLI3_HBQ_ENABLED
);
6745 spin_unlock_irq(&phba
->hbalock
);
6748 * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent
6749 * calls depends on these resources to complete port setup.
6751 rc
= lpfc_sli4_alloc_resource_identifiers(phba
);
6753 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6754 "2920 Failed to alloc Resource IDs "
6759 lpfc_set_host_data(phba
, mboxq
);
6761 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6763 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
6764 "2134 Failed to set host os driver version %x",
6768 /* Read the port's service parameters. */
6769 rc
= lpfc_read_sparam(phba
, mboxq
, vport
->vpi
);
6771 phba
->link_state
= LPFC_HBA_ERROR
;
6776 mboxq
->vport
= vport
;
6777 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6778 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
6779 if (rc
== MBX_SUCCESS
) {
6780 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof(struct serv_parm
));
6785 * This memory was allocated by the lpfc_read_sparam routine. Release
6786 * it to the mbuf pool.
6788 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
6790 mboxq
->context1
= NULL
;
6792 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6793 "0382 READ_SPARAM command failed "
6794 "status %d, mbxStatus x%x\n",
6795 rc
, bf_get(lpfc_mqe_status
, mqe
));
6796 phba
->link_state
= LPFC_HBA_ERROR
;
6801 lpfc_update_vport_wwn(vport
);
6803 /* Update the fc_host data structures with new wwn. */
6804 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
6805 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
6807 /* Create all the SLI4 queues */
6808 rc
= lpfc_sli4_queue_create(phba
);
6810 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6811 "3089 Failed to allocate queues\n");
6815 /* Set up all the queues to the device */
6816 rc
= lpfc_sli4_queue_setup(phba
);
6818 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6819 "0381 Error %d during queue setup.\n ", rc
);
6820 goto out_stop_timers
;
6822 /* Initialize the driver internal SLI layer lists. */
6823 lpfc_sli4_setup(phba
);
6824 lpfc_sli4_queue_init(phba
);
6826 /* update host els xri-sgl sizes and mappings */
6827 rc
= lpfc_sli4_els_sgl_update(phba
);
6829 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6830 "1400 Failed to update xri-sgl size and "
6831 "mapping: %d\n", rc
);
6832 goto out_destroy_queue
;
6835 /* register the els sgl pool to the port */
6836 rc
= lpfc_sli4_repost_sgl_list(phba
, &phba
->sli4_hba
.lpfc_els_sgl_list
,
6837 phba
->sli4_hba
.els_xri_cnt
);
6838 if (unlikely(rc
< 0)) {
6839 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6840 "0582 Error %d during els sgl post "
6843 goto out_destroy_queue
;
6845 phba
->sli4_hba
.els_xri_cnt
= rc
;
6847 if (phba
->nvmet_support
) {
6848 /* update host nvmet xri-sgl sizes and mappings */
6849 rc
= lpfc_sli4_nvmet_sgl_update(phba
);
6851 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6852 "6308 Failed to update nvmet-sgl size "
6853 "and mapping: %d\n", rc
);
6854 goto out_destroy_queue
;
6857 /* register the nvmet sgl pool to the port */
6858 rc
= lpfc_sli4_repost_sgl_list(
6860 &phba
->sli4_hba
.lpfc_nvmet_sgl_list
,
6861 phba
->sli4_hba
.nvmet_xri_cnt
);
6862 if (unlikely(rc
< 0)) {
6863 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6864 "3117 Error %d during nvmet "
6867 goto out_destroy_queue
;
6869 phba
->sli4_hba
.nvmet_xri_cnt
= rc
;
6870 lpfc_nvmet_create_targetport(phba
);
6872 /* update host scsi xri-sgl sizes and mappings */
6873 rc
= lpfc_sli4_scsi_sgl_update(phba
);
6875 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6876 "6309 Failed to update scsi-sgl size "
6877 "and mapping: %d\n", rc
);
6878 goto out_destroy_queue
;
6881 /* update host nvme xri-sgl sizes and mappings */
6882 rc
= lpfc_sli4_nvme_sgl_update(phba
);
6884 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6885 "6082 Failed to update nvme-sgl size "
6886 "and mapping: %d\n", rc
);
6887 goto out_destroy_queue
;
6891 if (phba
->nvmet_support
&& phba
->cfg_nvmet_mrq
) {
6893 /* Post initial buffers to all RQs created */
6894 for (i
= 0; i
< phba
->cfg_nvmet_mrq
; i
++) {
6895 rqbp
= phba
->sli4_hba
.nvmet_mrq_hdr
[i
]->rqbp
;
6896 INIT_LIST_HEAD(&rqbp
->rqb_buffer_list
);
6897 rqbp
->rqb_alloc_buffer
= lpfc_sli4_nvmet_alloc
;
6898 rqbp
->rqb_free_buffer
= lpfc_sli4_nvmet_free
;
6899 rqbp
->entry_count
= 256;
6900 rqbp
->buffer_count
= 0;
6902 /* Divide by 4 and round down to multiple of 16 */
6903 rc
= (phba
->cfg_nvmet_mrq_post
>> 2) & 0xfff8;
6904 phba
->sli4_hba
.nvmet_mrq_hdr
[i
]->entry_repost
= rc
;
6905 phba
->sli4_hba
.nvmet_mrq_data
[i
]->entry_repost
= rc
;
6907 lpfc_post_rq_buffer(
6908 phba
, phba
->sli4_hba
.nvmet_mrq_hdr
[i
],
6909 phba
->sli4_hba
.nvmet_mrq_data
[i
],
6910 phba
->cfg_nvmet_mrq_post
);
6914 if (phba
->cfg_enable_fc4_type
& LPFC_ENABLE_FCP
) {
6915 /* register the allocated scsi sgl pool to the port */
6916 rc
= lpfc_sli4_repost_scsi_sgl_list(phba
);
6918 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6919 "0383 Error %d during scsi sgl post "
6921 /* Some Scsi buffers were moved to abort scsi list */
6922 /* A pci function reset will repost them */
6924 goto out_destroy_queue
;
6928 if ((phba
->cfg_enable_fc4_type
& LPFC_ENABLE_NVME
) &&
6929 (phba
->nvmet_support
== 0)) {
6931 /* register the allocated nvme sgl pool to the port */
6932 rc
= lpfc_repost_nvme_sgl_list(phba
);
6934 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6935 "6116 Error %d during nvme sgl post "
6937 /* Some NVME buffers were moved to abort nvme list */
6938 /* A pci function reset will repost them */
6940 goto out_destroy_queue
;
6944 /* Post the rpi header region to the device. */
6945 rc
= lpfc_sli4_post_all_rpi_hdrs(phba
);
6947 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6948 "0393 Error %d during rpi post operation\n",
6951 goto out_destroy_queue
;
6953 lpfc_sli4_node_prep(phba
);
6955 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
6956 if ((phba
->nvmet_support
== 0) || (phba
->cfg_nvmet_mrq
== 1)) {
6958 * The FC Port needs to register FCFI (index 0)
6960 lpfc_reg_fcfi(phba
, mboxq
);
6961 mboxq
->vport
= phba
->pport
;
6962 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6963 if (rc
!= MBX_SUCCESS
)
6964 goto out_unset_queue
;
6966 phba
->fcf
.fcfi
= bf_get(lpfc_reg_fcfi_fcfi
,
6967 &mboxq
->u
.mqe
.un
.reg_fcfi
);
6969 /* We are a NVME Target mode with MRQ > 1 */
6971 /* First register the FCFI */
6972 lpfc_reg_fcfi_mrq(phba
, mboxq
, 0);
6973 mboxq
->vport
= phba
->pport
;
6974 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6975 if (rc
!= MBX_SUCCESS
)
6976 goto out_unset_queue
;
6978 phba
->fcf
.fcfi
= bf_get(lpfc_reg_fcfi_mrq_fcfi
,
6979 &mboxq
->u
.mqe
.un
.reg_fcfi_mrq
);
6981 /* Next register the MRQs */
6982 lpfc_reg_fcfi_mrq(phba
, mboxq
, 1);
6983 mboxq
->vport
= phba
->pport
;
6984 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6985 if (rc
!= MBX_SUCCESS
)
6986 goto out_unset_queue
;
6989 /* Check if the port is configured to be disabled */
6990 lpfc_sli_read_link_ste(phba
);
6993 /* Arm the CQs and then EQs on device */
6994 lpfc_sli4_arm_cqeq_intr(phba
);
6996 /* Indicate device interrupt mode */
6997 phba
->sli4_hba
.intr_enable
= 1;
6999 /* Allow asynchronous mailbox command to go through */
7000 spin_lock_irq(&phba
->hbalock
);
7001 phba
->sli
.sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
7002 spin_unlock_irq(&phba
->hbalock
);
7004 /* Post receive buffers to the device */
7005 lpfc_sli4_rb_setup(phba
);
7007 /* Reset HBA FCF states after HBA reset */
7008 phba
->fcf
.fcf_flag
= 0;
7009 phba
->fcf
.current_rec
.flag
= 0;
7011 /* Start the ELS watchdog timer */
7012 mod_timer(&vport
->els_tmofunc
,
7013 jiffies
+ msecs_to_jiffies(1000 * (phba
->fc_ratov
* 2)));
7015 /* Start heart beat timer */
7016 mod_timer(&phba
->hb_tmofunc
,
7017 jiffies
+ msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL
));
7018 phba
->hb_outstanding
= 0;
7019 phba
->last_completion_time
= jiffies
;
7021 /* Start error attention (ERATT) polling timer */
7022 mod_timer(&phba
->eratt_poll
,
7023 jiffies
+ msecs_to_jiffies(1000 * phba
->eratt_poll_interval
));
7025 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
7026 if (phba
->cfg_aer_support
== 1 && !(phba
->hba_flag
& HBA_AER_ENABLED
)) {
7027 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
7029 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7030 "2829 This device supports "
7031 "Advanced Error Reporting (AER)\n");
7032 spin_lock_irq(&phba
->hbalock
);
7033 phba
->hba_flag
|= HBA_AER_ENABLED
;
7034 spin_unlock_irq(&phba
->hbalock
);
7036 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
7037 "2830 This device does not support "
7038 "Advanced Error Reporting (AER)\n");
7039 phba
->cfg_aer_support
= 0;
7045 * The port is ready, set the host's link state to LINK_DOWN
7046 * in preparation for link interrupts.
7048 spin_lock_irq(&phba
->hbalock
);
7049 phba
->link_state
= LPFC_LINK_DOWN
;
7050 spin_unlock_irq(&phba
->hbalock
);
7051 if (!(phba
->hba_flag
& HBA_FCOE_MODE
) &&
7052 (phba
->hba_flag
& LINK_DISABLED
)) {
7053 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_SLI
,
7054 "3103 Adapter Link is disabled.\n");
7055 lpfc_down_link(phba
, mboxq
);
7056 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
7057 if (rc
!= MBX_SUCCESS
) {
7058 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_SLI
,
7059 "3104 Adapter failed to issue "
7060 "DOWN_LINK mbox cmd, rc:x%x\n", rc
);
7061 goto out_unset_queue
;
7063 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
7064 /* don't perform init_link on SLI4 FC port loopback test */
7065 if (!(phba
->link_flag
& LS_LOOPBACK_MODE
)) {
7066 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
7068 goto out_unset_queue
;
7071 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7074 /* Unset all the queues set up in this routine when error out */
7075 lpfc_sli4_queue_unset(phba
);
7077 lpfc_sli4_queue_destroy(phba
);
7079 lpfc_stop_hba_timers(phba
);
7081 mempool_free(mboxq
, phba
->mbox_mem_pool
);
7086 * lpfc_mbox_timeout - Timeout call back function for mbox timer
7087 * @ptr: context object - pointer to hba structure.
7089 * This is the callback function for mailbox timer. The mailbox
7090 * timer is armed when a new mailbox command is issued and the timer
7091 * is deleted when the mailbox complete. The function is called by
7092 * the kernel timer code when a mailbox does not complete within
7093 * expected time. This function wakes up the worker thread to
7094 * process the mailbox timeout and returns. All the processing is
7095 * done by the worker thread function lpfc_mbox_timeout_handler.
7098 lpfc_mbox_timeout(unsigned long ptr
)
7100 struct lpfc_hba
*phba
= (struct lpfc_hba
*) ptr
;
7101 unsigned long iflag
;
7102 uint32_t tmo_posted
;
7104 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
7105 tmo_posted
= phba
->pport
->work_port_events
& WORKER_MBOX_TMO
;
7107 phba
->pport
->work_port_events
|= WORKER_MBOX_TMO
;
7108 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
7111 lpfc_worker_wake_up(phba
);
7116 * lpfc_sli4_mbox_completions_pending - check to see if any mailbox completions
7118 * @phba: Pointer to HBA context object.
7120 * This function checks if any mailbox completions are present on the mailbox
7124 lpfc_sli4_mbox_completions_pending(struct lpfc_hba
*phba
)
7128 struct lpfc_queue
*mcq
;
7129 struct lpfc_mcqe
*mcqe
;
7130 bool pending_completions
= false;
7132 if (unlikely(!phba
) || (phba
->sli_rev
!= LPFC_SLI_REV4
))
7135 /* Check for completions on mailbox completion queue */
7137 mcq
= phba
->sli4_hba
.mbx_cq
;
7138 idx
= mcq
->hba_index
;
7139 while (bf_get_le32(lpfc_cqe_valid
, mcq
->qe
[idx
].cqe
)) {
7140 mcqe
= (struct lpfc_mcqe
*)mcq
->qe
[idx
].cqe
;
7141 if (bf_get_le32(lpfc_trailer_completed
, mcqe
) &&
7142 (!bf_get_le32(lpfc_trailer_async
, mcqe
))) {
7143 pending_completions
= true;
7146 idx
= (idx
+ 1) % mcq
->entry_count
;
7147 if (mcq
->hba_index
== idx
)
7150 return pending_completions
;
7155 * lpfc_sli4_process_missed_mbox_completions - process mbox completions
7157 * @phba: Pointer to HBA context object.
7159 * For sli4, it is possible to miss an interrupt. As such mbox completions
7160 * maybe missed causing erroneous mailbox timeouts to occur. This function
7161 * checks to see if mbox completions are on the mailbox completion queue
7162 * and will process all the completions associated with the eq for the
7163 * mailbox completion queue.
7166 lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba
*phba
)
7170 struct lpfc_queue
*fpeq
= NULL
;
7171 struct lpfc_eqe
*eqe
;
7174 if (unlikely(!phba
) || (phba
->sli_rev
!= LPFC_SLI_REV4
))
7177 /* Find the eq associated with the mcq */
7179 if (phba
->sli4_hba
.hba_eq
)
7180 for (eqidx
= 0; eqidx
< phba
->io_channel_irqs
; eqidx
++)
7181 if (phba
->sli4_hba
.hba_eq
[eqidx
]->queue_id
==
7182 phba
->sli4_hba
.mbx_cq
->assoc_qid
) {
7183 fpeq
= phba
->sli4_hba
.hba_eq
[eqidx
];
7189 /* Turn off interrupts from this EQ */
7191 lpfc_sli4_eq_clr_intr(fpeq
);
7193 /* Check to see if a mbox completion is pending */
7195 mbox_pending
= lpfc_sli4_mbox_completions_pending(phba
);
7198 * If a mbox completion is pending, process all the events on EQ
7199 * associated with the mbox completion queue (this could include
7200 * mailbox commands, async events, els commands, receive queue data
7205 while ((eqe
= lpfc_sli4_eq_get(fpeq
))) {
7206 lpfc_sli4_hba_handle_eqe(phba
, eqe
, eqidx
);
7207 fpeq
->EQ_processed
++;
7210 /* Always clear and re-arm the EQ */
7212 lpfc_sli4_eq_release(fpeq
, LPFC_QUEUE_REARM
);
7214 return mbox_pending
;
7219 * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout
7220 * @phba: Pointer to HBA context object.
7222 * This function is called from worker thread when a mailbox command times out.
7223 * The caller is not required to hold any locks. This function will reset the
7224 * HBA and recover all the pending commands.
7227 lpfc_mbox_timeout_handler(struct lpfc_hba
*phba
)
7229 LPFC_MBOXQ_t
*pmbox
= phba
->sli
.mbox_active
;
7230 MAILBOX_t
*mb
= NULL
;
7232 struct lpfc_sli
*psli
= &phba
->sli
;
7234 /* If the mailbox completed, process the completion and return */
7235 if (lpfc_sli4_process_missed_mbox_completions(phba
))
7240 /* Check the pmbox pointer first. There is a race condition
7241 * between the mbox timeout handler getting executed in the
7242 * worklist and the mailbox actually completing. When this
7243 * race condition occurs, the mbox_active will be NULL.
7245 spin_lock_irq(&phba
->hbalock
);
7246 if (pmbox
== NULL
) {
7247 lpfc_printf_log(phba
, KERN_WARNING
,
7249 "0353 Active Mailbox cleared - mailbox timeout "
7251 spin_unlock_irq(&phba
->hbalock
);
7255 /* Mbox cmd <mbxCommand> timeout */
7256 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7257 "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
7259 phba
->pport
->port_state
,
7261 phba
->sli
.mbox_active
);
7262 spin_unlock_irq(&phba
->hbalock
);
7264 /* Setting state unknown so lpfc_sli_abort_iocb_ring
7265 * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
7266 * it to fail all outstanding SCSI IO.
7268 spin_lock_irq(&phba
->pport
->work_port_lock
);
7269 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
7270 spin_unlock_irq(&phba
->pport
->work_port_lock
);
7271 spin_lock_irq(&phba
->hbalock
);
7272 phba
->link_state
= LPFC_LINK_UNKNOWN
;
7273 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
7274 spin_unlock_irq(&phba
->hbalock
);
7276 lpfc_sli_abort_fcp_rings(phba
);
7278 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7279 "0345 Resetting board due to mailbox timeout\n");
7281 /* Reset the HBA device */
7282 lpfc_reset_hba(phba
);
7286 * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware
7287 * @phba: Pointer to HBA context object.
7288 * @pmbox: Pointer to mailbox object.
7289 * @flag: Flag indicating how the mailbox need to be processed.
7291 * This function is called by discovery code and HBA management code
7292 * to submit a mailbox command to firmware with SLI-3 interface spec. This
7293 * function gets the hbalock to protect the data structures.
7294 * The mailbox command can be submitted in polling mode, in which case
7295 * this function will wait in a polling loop for the completion of the
7297 * If the mailbox is submitted in no_wait mode (not polling) the
7298 * function will submit the command and returns immediately without waiting
7299 * for the mailbox completion. The no_wait is supported only when HBA
7300 * is in SLI2/SLI3 mode - interrupts are enabled.
7301 * The SLI interface allows only one mailbox pending at a time. If the
7302 * mailbox is issued in polling mode and there is already a mailbox
7303 * pending, then the function will return an error. If the mailbox is issued
7304 * in NO_WAIT mode and there is a mailbox pending already, the function
7305 * will return MBX_BUSY after queuing the mailbox into mailbox queue.
7306 * The sli layer owns the mailbox object until the completion of mailbox
7307 * command if this function return MBX_BUSY or MBX_SUCCESS. For all other
7308 * return codes the caller owns the mailbox command after the return of
7312 lpfc_sli_issue_mbox_s3(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmbox
,
7316 struct lpfc_sli
*psli
= &phba
->sli
;
7317 uint32_t status
, evtctr
;
7318 uint32_t ha_copy
, hc_copy
;
7320 unsigned long timeout
;
7321 unsigned long drvr_flag
= 0;
7322 uint32_t word0
, ldata
;
7323 void __iomem
*to_slim
;
7324 int processing_queue
= 0;
7326 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
7328 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7329 /* processing mbox queue from intr_handler */
7330 if (unlikely(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
7331 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7334 processing_queue
= 1;
7335 pmbox
= lpfc_mbox_get(phba
);
7337 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7342 if (pmbox
->mbox_cmpl
&& pmbox
->mbox_cmpl
!= lpfc_sli_def_mbox_cmpl
&&
7343 pmbox
->mbox_cmpl
!= lpfc_sli_wake_mbox_wait
) {
7345 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7346 lpfc_printf_log(phba
, KERN_ERR
,
7347 LOG_MBOX
| LOG_VPORT
,
7348 "1806 Mbox x%x failed. No vport\n",
7349 pmbox
->u
.mb
.mbxCommand
);
7351 goto out_not_finished
;
7355 /* If the PCI channel is in offline state, do not post mbox. */
7356 if (unlikely(pci_channel_offline(phba
->pcidev
))) {
7357 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7358 goto out_not_finished
;
7361 /* If HBA has a deferred error attention, fail the iocb. */
7362 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
7363 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7364 goto out_not_finished
;
7370 status
= MBX_SUCCESS
;
7372 if (phba
->link_state
== LPFC_HBA_ERROR
) {
7373 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7375 /* Mbox command <mbxCommand> cannot issue */
7376 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7377 "(%d):0311 Mailbox command x%x cannot "
7378 "issue Data: x%x x%x\n",
7379 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
7380 pmbox
->u
.mb
.mbxCommand
, psli
->sli_flag
, flag
);
7381 goto out_not_finished
;
7384 if (mbx
->mbxCommand
!= MBX_KILL_BOARD
&& flag
& MBX_NOWAIT
) {
7385 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
) ||
7386 !(hc_copy
& HC_MBINT_ENA
)) {
7387 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7388 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7389 "(%d):2528 Mailbox command x%x cannot "
7390 "issue Data: x%x x%x\n",
7391 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
7392 pmbox
->u
.mb
.mbxCommand
, psli
->sli_flag
, flag
);
7393 goto out_not_finished
;
7397 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
7398 /* Polling for a mbox command when another one is already active
7399 * is not allowed in SLI. Also, the driver must have established
7400 * SLI2 mode to queue and process multiple mbox commands.
7403 if (flag
& MBX_POLL
) {
7404 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7406 /* Mbox command <mbxCommand> cannot issue */
7407 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7408 "(%d):2529 Mailbox command x%x "
7409 "cannot issue Data: x%x x%x\n",
7410 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
7411 pmbox
->u
.mb
.mbxCommand
,
7412 psli
->sli_flag
, flag
);
7413 goto out_not_finished
;
7416 if (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)) {
7417 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7418 /* Mbox command <mbxCommand> cannot issue */
7419 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7420 "(%d):2530 Mailbox command x%x "
7421 "cannot issue Data: x%x x%x\n",
7422 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
7423 pmbox
->u
.mb
.mbxCommand
,
7424 psli
->sli_flag
, flag
);
7425 goto out_not_finished
;
7428 /* Another mailbox command is still being processed, queue this
7429 * command to be processed later.
7431 lpfc_mbox_put(phba
, pmbox
);
7433 /* Mbox cmd issue - BUSY */
7434 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
7435 "(%d):0308 Mbox cmd issue - BUSY Data: "
7436 "x%x x%x x%x x%x\n",
7437 pmbox
->vport
? pmbox
->vport
->vpi
: 0xffffff,
7438 mbx
->mbxCommand
, phba
->pport
->port_state
,
7439 psli
->sli_flag
, flag
);
7441 psli
->slistat
.mbox_busy
++;
7442 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7445 lpfc_debugfs_disc_trc(pmbox
->vport
,
7446 LPFC_DISC_TRC_MBOX_VPORT
,
7447 "MBOX Bsy vport: cmd:x%x mb:x%x x%x",
7448 (uint32_t)mbx
->mbxCommand
,
7449 mbx
->un
.varWords
[0], mbx
->un
.varWords
[1]);
7452 lpfc_debugfs_disc_trc(phba
->pport
,
7454 "MBOX Bsy: cmd:x%x mb:x%x x%x",
7455 (uint32_t)mbx
->mbxCommand
,
7456 mbx
->un
.varWords
[0], mbx
->un
.varWords
[1]);
7462 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
7464 /* If we are not polling, we MUST be in SLI2 mode */
7465 if (flag
!= MBX_POLL
) {
7466 if (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
) &&
7467 (mbx
->mbxCommand
!= MBX_KILL_BOARD
)) {
7468 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7469 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7470 /* Mbox command <mbxCommand> cannot issue */
7471 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7472 "(%d):2531 Mailbox command x%x "
7473 "cannot issue Data: x%x x%x\n",
7474 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
7475 pmbox
->u
.mb
.mbxCommand
,
7476 psli
->sli_flag
, flag
);
7477 goto out_not_finished
;
7479 /* timeout active mbox command */
7480 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, pmbox
) *
7482 mod_timer(&psli
->mbox_tmo
, jiffies
+ timeout
);
7485 /* Mailbox cmd <cmd> issue */
7486 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
7487 "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x "
7489 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
7490 mbx
->mbxCommand
, phba
->pport
->port_state
,
7491 psli
->sli_flag
, flag
);
7493 if (mbx
->mbxCommand
!= MBX_HEARTBEAT
) {
7495 lpfc_debugfs_disc_trc(pmbox
->vport
,
7496 LPFC_DISC_TRC_MBOX_VPORT
,
7497 "MBOX Send vport: cmd:x%x mb:x%x x%x",
7498 (uint32_t)mbx
->mbxCommand
,
7499 mbx
->un
.varWords
[0], mbx
->un
.varWords
[1]);
7502 lpfc_debugfs_disc_trc(phba
->pport
,
7504 "MBOX Send: cmd:x%x mb:x%x x%x",
7505 (uint32_t)mbx
->mbxCommand
,
7506 mbx
->un
.varWords
[0], mbx
->un
.varWords
[1]);
7510 psli
->slistat
.mbox_cmd
++;
7511 evtctr
= psli
->slistat
.mbox_event
;
7513 /* next set own bit for the adapter and copy over command word */
7514 mbx
->mbxOwner
= OWN_CHIP
;
7516 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
7517 /* Populate mbox extension offset word. */
7518 if (pmbox
->in_ext_byte_len
|| pmbox
->out_ext_byte_len
) {
7519 *(((uint32_t *)mbx
) + pmbox
->mbox_offset_word
)
7520 = (uint8_t *)phba
->mbox_ext
7521 - (uint8_t *)phba
->mbox
;
7524 /* Copy the mailbox extension data */
7525 if (pmbox
->in_ext_byte_len
&& pmbox
->context2
) {
7526 lpfc_sli_pcimem_bcopy(pmbox
->context2
,
7527 (uint8_t *)phba
->mbox_ext
,
7528 pmbox
->in_ext_byte_len
);
7530 /* Copy command data to host SLIM area */
7531 lpfc_sli_pcimem_bcopy(mbx
, phba
->mbox
, MAILBOX_CMD_SIZE
);
7533 /* Populate mbox extension offset word. */
7534 if (pmbox
->in_ext_byte_len
|| pmbox
->out_ext_byte_len
)
7535 *(((uint32_t *)mbx
) + pmbox
->mbox_offset_word
)
7536 = MAILBOX_HBA_EXT_OFFSET
;
7538 /* Copy the mailbox extension data */
7539 if (pmbox
->in_ext_byte_len
&& pmbox
->context2
)
7540 lpfc_memcpy_to_slim(phba
->MBslimaddr
+
7541 MAILBOX_HBA_EXT_OFFSET
,
7542 pmbox
->context2
, pmbox
->in_ext_byte_len
);
7544 if (mbx
->mbxCommand
== MBX_CONFIG_PORT
)
7545 /* copy command data into host mbox for cmpl */
7546 lpfc_sli_pcimem_bcopy(mbx
, phba
->mbox
,
7549 /* First copy mbox command data to HBA SLIM, skip past first
7551 to_slim
= phba
->MBslimaddr
+ sizeof (uint32_t);
7552 lpfc_memcpy_to_slim(to_slim
, &mbx
->un
.varWords
[0],
7553 MAILBOX_CMD_SIZE
- sizeof (uint32_t));
7555 /* Next copy over first word, with mbxOwner set */
7556 ldata
= *((uint32_t *)mbx
);
7557 to_slim
= phba
->MBslimaddr
;
7558 writel(ldata
, to_slim
);
7559 readl(to_slim
); /* flush */
7561 if (mbx
->mbxCommand
== MBX_CONFIG_PORT
)
7562 /* switch over to host mailbox */
7563 psli
->sli_flag
|= LPFC_SLI_ACTIVE
;
7570 /* Set up reference to mailbox command */
7571 psli
->mbox_active
= pmbox
;
7572 /* Interrupt board to do it */
7573 writel(CA_MBATT
, phba
->CAregaddr
);
7574 readl(phba
->CAregaddr
); /* flush */
7575 /* Don't wait for it to finish, just return */
7579 /* Set up null reference to mailbox command */
7580 psli
->mbox_active
= NULL
;
7581 /* Interrupt board to do it */
7582 writel(CA_MBATT
, phba
->CAregaddr
);
7583 readl(phba
->CAregaddr
); /* flush */
7585 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
7586 /* First read mbox status word */
7587 word0
= *((uint32_t *)phba
->mbox
);
7588 word0
= le32_to_cpu(word0
);
7590 /* First read mbox status word */
7591 if (lpfc_readl(phba
->MBslimaddr
, &word0
)) {
7592 spin_unlock_irqrestore(&phba
->hbalock
,
7594 goto out_not_finished
;
7598 /* Read the HBA Host Attention Register */
7599 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
)) {
7600 spin_unlock_irqrestore(&phba
->hbalock
,
7602 goto out_not_finished
;
7604 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, pmbox
) *
7607 /* Wait for command to complete */
7608 while (((word0
& OWN_CHIP
) == OWN_CHIP
) ||
7609 (!(ha_copy
& HA_MBATT
) &&
7610 (phba
->link_state
> LPFC_WARM_START
))) {
7611 if (time_after(jiffies
, timeout
)) {
7612 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7613 spin_unlock_irqrestore(&phba
->hbalock
,
7615 goto out_not_finished
;
7618 /* Check if we took a mbox interrupt while we were
7620 if (((word0
& OWN_CHIP
) != OWN_CHIP
)
7621 && (evtctr
!= psli
->slistat
.mbox_event
))
7625 spin_unlock_irqrestore(&phba
->hbalock
,
7628 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
7631 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
7632 /* First copy command data */
7633 word0
= *((uint32_t *)phba
->mbox
);
7634 word0
= le32_to_cpu(word0
);
7635 if (mbx
->mbxCommand
== MBX_CONFIG_PORT
) {
7638 /* Check real SLIM for any errors */
7639 slimword0
= readl(phba
->MBslimaddr
);
7640 slimmb
= (MAILBOX_t
*) & slimword0
;
7641 if (((slimword0
& OWN_CHIP
) != OWN_CHIP
)
7642 && slimmb
->mbxStatus
) {
7649 /* First copy command data */
7650 word0
= readl(phba
->MBslimaddr
);
7652 /* Read the HBA Host Attention Register */
7653 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
)) {
7654 spin_unlock_irqrestore(&phba
->hbalock
,
7656 goto out_not_finished
;
7660 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
7661 /* copy results back to user */
7662 lpfc_sli_pcimem_bcopy(phba
->mbox
, mbx
,
7664 /* Copy the mailbox extension data */
7665 if (pmbox
->out_ext_byte_len
&& pmbox
->context2
) {
7666 lpfc_sli_pcimem_bcopy(phba
->mbox_ext
,
7668 pmbox
->out_ext_byte_len
);
7671 /* First copy command data */
7672 lpfc_memcpy_from_slim(mbx
, phba
->MBslimaddr
,
7674 /* Copy the mailbox extension data */
7675 if (pmbox
->out_ext_byte_len
&& pmbox
->context2
) {
7676 lpfc_memcpy_from_slim(pmbox
->context2
,
7678 MAILBOX_HBA_EXT_OFFSET
,
7679 pmbox
->out_ext_byte_len
);
7683 writel(HA_MBATT
, phba
->HAregaddr
);
7684 readl(phba
->HAregaddr
); /* flush */
7686 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7687 status
= mbx
->mbxStatus
;
7690 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
7694 if (processing_queue
) {
7695 pmbox
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
7696 lpfc_mbox_cmpl_put(phba
, pmbox
);
7698 return MBX_NOT_FINISHED
;
7702 * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command
7703 * @phba: Pointer to HBA context object.
7705 * The function blocks the posting of SLI4 asynchronous mailbox commands from
7706 * the driver internal pending mailbox queue. It will then try to wait out the
7707 * possible outstanding mailbox command before return.
7710 * 0 - the outstanding mailbox command completed; otherwise, the wait for
7711 * the outstanding mailbox command timed out.
7714 lpfc_sli4_async_mbox_block(struct lpfc_hba
*phba
)
7716 struct lpfc_sli
*psli
= &phba
->sli
;
7718 unsigned long timeout
= 0;
7720 /* Mark the asynchronous mailbox command posting as blocked */
7721 spin_lock_irq(&phba
->hbalock
);
7722 psli
->sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
7723 /* Determine how long we might wait for the active mailbox
7724 * command to be gracefully completed by firmware.
7726 if (phba
->sli
.mbox_active
)
7727 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
7728 phba
->sli
.mbox_active
) *
7730 spin_unlock_irq(&phba
->hbalock
);
7732 /* Make sure the mailbox is really active */
7734 lpfc_sli4_process_missed_mbox_completions(phba
);
7736 /* Wait for the outstnading mailbox command to complete */
7737 while (phba
->sli
.mbox_active
) {
7738 /* Check active mailbox complete status every 2ms */
7740 if (time_after(jiffies
, timeout
)) {
7741 /* Timeout, marked the outstanding cmd not complete */
7747 /* Can not cleanly block async mailbox command, fails it */
7749 spin_lock_irq(&phba
->hbalock
);
7750 psli
->sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
7751 spin_unlock_irq(&phba
->hbalock
);
7757 * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command
7758 * @phba: Pointer to HBA context object.
7760 * The function unblocks and resume posting of SLI4 asynchronous mailbox
7761 * commands from the driver internal pending mailbox queue. It makes sure
7762 * that there is no outstanding mailbox command before resuming posting
7763 * asynchronous mailbox commands. If, for any reason, there is outstanding
7764 * mailbox command, it will try to wait it out before resuming asynchronous
7765 * mailbox command posting.
7768 lpfc_sli4_async_mbox_unblock(struct lpfc_hba
*phba
)
7770 struct lpfc_sli
*psli
= &phba
->sli
;
7772 spin_lock_irq(&phba
->hbalock
);
7773 if (!(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
7774 /* Asynchronous mailbox posting is not blocked, do nothing */
7775 spin_unlock_irq(&phba
->hbalock
);
7779 /* Outstanding synchronous mailbox command is guaranteed to be done,
7780 * successful or timeout, after timing-out the outstanding mailbox
7781 * command shall always be removed, so just unblock posting async
7782 * mailbox command and resume
7784 psli
->sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
7785 spin_unlock_irq(&phba
->hbalock
);
7787 /* wake up worker thread to post asynchronlous mailbox command */
7788 lpfc_worker_wake_up(phba
);
7792 * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready
7793 * @phba: Pointer to HBA context object.
7794 * @mboxq: Pointer to mailbox object.
7796 * The function waits for the bootstrap mailbox register ready bit from
7797 * port for twice the regular mailbox command timeout value.
7799 * 0 - no timeout on waiting for bootstrap mailbox register ready.
7800 * MBXERR_ERROR - wait for bootstrap mailbox register timed out.
7803 lpfc_sli4_wait_bmbx_ready(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
7806 unsigned long timeout
;
7807 struct lpfc_register bmbx_reg
;
7809 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, mboxq
)
7813 bmbx_reg
.word0
= readl(phba
->sli4_hba
.BMBXregaddr
);
7814 db_ready
= bf_get(lpfc_bmbx_rdy
, &bmbx_reg
);
7818 if (time_after(jiffies
, timeout
))
7819 return MBXERR_ERROR
;
7820 } while (!db_ready
);
7826 * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox
7827 * @phba: Pointer to HBA context object.
7828 * @mboxq: Pointer to mailbox object.
7830 * The function posts a mailbox to the port. The mailbox is expected
7831 * to be comletely filled in and ready for the port to operate on it.
7832 * This routine executes a synchronous completion operation on the
7833 * mailbox by polling for its completion.
7835 * The caller must not be holding any locks when calling this routine.
7838 * MBX_SUCCESS - mailbox posted successfully
7839 * Any of the MBX error values.
7842 lpfc_sli4_post_sync_mbox(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
7844 int rc
= MBX_SUCCESS
;
7845 unsigned long iflag
;
7846 uint32_t mcqe_status
;
7848 struct lpfc_sli
*psli
= &phba
->sli
;
7849 struct lpfc_mqe
*mb
= &mboxq
->u
.mqe
;
7850 struct lpfc_bmbx_create
*mbox_rgn
;
7851 struct dma_address
*dma_address
;
7854 * Only one mailbox can be active to the bootstrap mailbox region
7855 * at a time and there is no queueing provided.
7857 spin_lock_irqsave(&phba
->hbalock
, iflag
);
7858 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
7859 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
7860 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7861 "(%d):2532 Mailbox command x%x (x%x/x%x) "
7862 "cannot issue Data: x%x x%x\n",
7863 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7864 mboxq
->u
.mb
.mbxCommand
,
7865 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7866 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7867 psli
->sli_flag
, MBX_POLL
);
7868 return MBXERR_ERROR
;
7870 /* The server grabs the token and owns it until release */
7871 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
7872 phba
->sli
.mbox_active
= mboxq
;
7873 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
7875 /* wait for bootstrap mbox register for readyness */
7876 rc
= lpfc_sli4_wait_bmbx_ready(phba
, mboxq
);
7881 * Initialize the bootstrap memory region to avoid stale data areas
7882 * in the mailbox post. Then copy the caller's mailbox contents to
7883 * the bmbx mailbox region.
7885 mbx_cmnd
= bf_get(lpfc_mqe_command
, mb
);
7886 memset(phba
->sli4_hba
.bmbx
.avirt
, 0, sizeof(struct lpfc_bmbx_create
));
7887 lpfc_sli_pcimem_bcopy(mb
, phba
->sli4_hba
.bmbx
.avirt
,
7888 sizeof(struct lpfc_mqe
));
7890 /* Post the high mailbox dma address to the port and wait for ready. */
7891 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
7892 writel(dma_address
->addr_hi
, phba
->sli4_hba
.BMBXregaddr
);
7894 /* wait for bootstrap mbox register for hi-address write done */
7895 rc
= lpfc_sli4_wait_bmbx_ready(phba
, mboxq
);
7899 /* Post the low mailbox dma address to the port. */
7900 writel(dma_address
->addr_lo
, phba
->sli4_hba
.BMBXregaddr
);
7902 /* wait for bootstrap mbox register for low address write done */
7903 rc
= lpfc_sli4_wait_bmbx_ready(phba
, mboxq
);
7908 * Read the CQ to ensure the mailbox has completed.
7909 * If so, update the mailbox status so that the upper layers
7910 * can complete the request normally.
7912 lpfc_sli_pcimem_bcopy(phba
->sli4_hba
.bmbx
.avirt
, mb
,
7913 sizeof(struct lpfc_mqe
));
7914 mbox_rgn
= (struct lpfc_bmbx_create
*) phba
->sli4_hba
.bmbx
.avirt
;
7915 lpfc_sli_pcimem_bcopy(&mbox_rgn
->mcqe
, &mboxq
->mcqe
,
7916 sizeof(struct lpfc_mcqe
));
7917 mcqe_status
= bf_get(lpfc_mcqe_status
, &mbox_rgn
->mcqe
);
7919 * When the CQE status indicates a failure and the mailbox status
7920 * indicates success then copy the CQE status into the mailbox status
7921 * (and prefix it with x4000).
7923 if (mcqe_status
!= MB_CQE_STATUS_SUCCESS
) {
7924 if (bf_get(lpfc_mqe_status
, mb
) == MBX_SUCCESS
)
7925 bf_set(lpfc_mqe_status
, mb
,
7926 (LPFC_MBX_ERROR_RANGE
| mcqe_status
));
7929 lpfc_sli4_swap_str(phba
, mboxq
);
7931 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
7932 "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x "
7933 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x"
7934 " x%x x%x CQ: x%x x%x x%x x%x\n",
7935 mboxq
->vport
? mboxq
->vport
->vpi
: 0, mbx_cmnd
,
7936 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7937 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7938 bf_get(lpfc_mqe_status
, mb
),
7939 mb
->un
.mb_words
[0], mb
->un
.mb_words
[1],
7940 mb
->un
.mb_words
[2], mb
->un
.mb_words
[3],
7941 mb
->un
.mb_words
[4], mb
->un
.mb_words
[5],
7942 mb
->un
.mb_words
[6], mb
->un
.mb_words
[7],
7943 mb
->un
.mb_words
[8], mb
->un
.mb_words
[9],
7944 mb
->un
.mb_words
[10], mb
->un
.mb_words
[11],
7945 mb
->un
.mb_words
[12], mboxq
->mcqe
.word0
,
7946 mboxq
->mcqe
.mcqe_tag0
, mboxq
->mcqe
.mcqe_tag1
,
7947 mboxq
->mcqe
.trailer
);
7949 /* We are holding the token, no needed for lock when release */
7950 spin_lock_irqsave(&phba
->hbalock
, iflag
);
7951 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7952 phba
->sli
.mbox_active
= NULL
;
7953 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
7958 * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware
7959 * @phba: Pointer to HBA context object.
7960 * @pmbox: Pointer to mailbox object.
7961 * @flag: Flag indicating how the mailbox need to be processed.
7963 * This function is called by discovery code and HBA management code to submit
7964 * a mailbox command to firmware with SLI-4 interface spec.
7966 * Return codes the caller owns the mailbox command after the return of the
7970 lpfc_sli_issue_mbox_s4(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
7973 struct lpfc_sli
*psli
= &phba
->sli
;
7974 unsigned long iflags
;
7977 /* dump from issue mailbox command if setup */
7978 lpfc_idiag_mbxacc_dump_issue_mbox(phba
, &mboxq
->u
.mb
);
7980 rc
= lpfc_mbox_dev_check(phba
);
7982 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7983 "(%d):2544 Mailbox command x%x (x%x/x%x) "
7984 "cannot issue Data: x%x x%x\n",
7985 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7986 mboxq
->u
.mb
.mbxCommand
,
7987 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7988 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7989 psli
->sli_flag
, flag
);
7990 goto out_not_finished
;
7993 /* Detect polling mode and jump to a handler */
7994 if (!phba
->sli4_hba
.intr_enable
) {
7995 if (flag
== MBX_POLL
)
7996 rc
= lpfc_sli4_post_sync_mbox(phba
, mboxq
);
7999 if (rc
!= MBX_SUCCESS
)
8000 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
8001 "(%d):2541 Mailbox command x%x "
8002 "(x%x/x%x) failure: "
8003 "mqe_sta: x%x mcqe_sta: x%x/x%x "
8005 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
8006 mboxq
->u
.mb
.mbxCommand
,
8007 lpfc_sli_config_mbox_subsys_get(phba
,
8009 lpfc_sli_config_mbox_opcode_get(phba
,
8011 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
),
8012 bf_get(lpfc_mcqe_status
, &mboxq
->mcqe
),
8013 bf_get(lpfc_mcqe_ext_status
,
8015 psli
->sli_flag
, flag
);
8017 } else if (flag
== MBX_POLL
) {
8018 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
8019 "(%d):2542 Try to issue mailbox command "
8020 "x%x (x%x/x%x) synchronously ahead of async"
8021 "mailbox command queue: x%x x%x\n",
8022 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
8023 mboxq
->u
.mb
.mbxCommand
,
8024 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
8025 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
8026 psli
->sli_flag
, flag
);
8027 /* Try to block the asynchronous mailbox posting */
8028 rc
= lpfc_sli4_async_mbox_block(phba
);
8030 /* Successfully blocked, now issue sync mbox cmd */
8031 rc
= lpfc_sli4_post_sync_mbox(phba
, mboxq
);
8032 if (rc
!= MBX_SUCCESS
)
8033 lpfc_printf_log(phba
, KERN_WARNING
,
8035 "(%d):2597 Sync Mailbox command "
8036 "x%x (x%x/x%x) failure: "
8037 "mqe_sta: x%x mcqe_sta: x%x/x%x "
8039 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
8040 mboxq
->u
.mb
.mbxCommand
,
8041 lpfc_sli_config_mbox_subsys_get(phba
,
8043 lpfc_sli_config_mbox_opcode_get(phba
,
8045 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
),
8046 bf_get(lpfc_mcqe_status
, &mboxq
->mcqe
),
8047 bf_get(lpfc_mcqe_ext_status
,
8049 psli
->sli_flag
, flag
);
8050 /* Unblock the async mailbox posting afterward */
8051 lpfc_sli4_async_mbox_unblock(phba
);
8056 /* Now, interrupt mode asynchrous mailbox command */
8057 rc
= lpfc_mbox_cmd_check(phba
, mboxq
);
8059 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
8060 "(%d):2543 Mailbox command x%x (x%x/x%x) "
8061 "cannot issue Data: x%x x%x\n",
8062 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
8063 mboxq
->u
.mb
.mbxCommand
,
8064 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
8065 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
8066 psli
->sli_flag
, flag
);
8067 goto out_not_finished
;
8070 /* Put the mailbox command to the driver internal FIFO */
8071 psli
->slistat
.mbox_busy
++;
8072 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8073 lpfc_mbox_put(phba
, mboxq
);
8074 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8075 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
8076 "(%d):0354 Mbox cmd issue - Enqueue Data: "
8077 "x%x (x%x/x%x) x%x x%x x%x\n",
8078 mboxq
->vport
? mboxq
->vport
->vpi
: 0xffffff,
8079 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
8080 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
8081 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
8082 phba
->pport
->port_state
,
8083 psli
->sli_flag
, MBX_NOWAIT
);
8084 /* Wake up worker thread to transport mailbox command from head */
8085 lpfc_worker_wake_up(phba
);
8090 return MBX_NOT_FINISHED
;
8094 * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device
8095 * @phba: Pointer to HBA context object.
8097 * This function is called by worker thread to send a mailbox command to
8098 * SLI4 HBA firmware.
8102 lpfc_sli4_post_async_mbox(struct lpfc_hba
*phba
)
8104 struct lpfc_sli
*psli
= &phba
->sli
;
8105 LPFC_MBOXQ_t
*mboxq
;
8106 int rc
= MBX_SUCCESS
;
8107 unsigned long iflags
;
8108 struct lpfc_mqe
*mqe
;
8111 /* Check interrupt mode before post async mailbox command */
8112 if (unlikely(!phba
->sli4_hba
.intr_enable
))
8113 return MBX_NOT_FINISHED
;
8115 /* Check for mailbox command service token */
8116 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8117 if (unlikely(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
8118 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8119 return MBX_NOT_FINISHED
;
8121 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
8122 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8123 return MBX_NOT_FINISHED
;
8125 if (unlikely(phba
->sli
.mbox_active
)) {
8126 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8127 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
8128 "0384 There is pending active mailbox cmd\n");
8129 return MBX_NOT_FINISHED
;
8131 /* Take the mailbox command service token */
8132 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
8134 /* Get the next mailbox command from head of queue */
8135 mboxq
= lpfc_mbox_get(phba
);
8137 /* If no more mailbox command waiting for post, we're done */
8139 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8140 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8143 phba
->sli
.mbox_active
= mboxq
;
8144 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8146 /* Check device readiness for posting mailbox command */
8147 rc
= lpfc_mbox_dev_check(phba
);
8149 /* Driver clean routine will clean up pending mailbox */
8150 goto out_not_finished
;
8152 /* Prepare the mbox command to be posted */
8153 mqe
= &mboxq
->u
.mqe
;
8154 mbx_cmnd
= bf_get(lpfc_mqe_command
, mqe
);
8156 /* Start timer for the mbox_tmo and log some mailbox post messages */
8157 mod_timer(&psli
->mbox_tmo
, (jiffies
+
8158 msecs_to_jiffies(1000 * lpfc_mbox_tmo_val(phba
, mboxq
))));
8160 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
8161 "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: "
8163 mboxq
->vport
? mboxq
->vport
->vpi
: 0, mbx_cmnd
,
8164 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
8165 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
8166 phba
->pport
->port_state
, psli
->sli_flag
);
8168 if (mbx_cmnd
!= MBX_HEARTBEAT
) {
8170 lpfc_debugfs_disc_trc(mboxq
->vport
,
8171 LPFC_DISC_TRC_MBOX_VPORT
,
8172 "MBOX Send vport: cmd:x%x mb:x%x x%x",
8173 mbx_cmnd
, mqe
->un
.mb_words
[0],
8174 mqe
->un
.mb_words
[1]);
8176 lpfc_debugfs_disc_trc(phba
->pport
,
8178 "MBOX Send: cmd:x%x mb:x%x x%x",
8179 mbx_cmnd
, mqe
->un
.mb_words
[0],
8180 mqe
->un
.mb_words
[1]);
8183 psli
->slistat
.mbox_cmd
++;
8185 /* Post the mailbox command to the port */
8186 rc
= lpfc_sli4_mq_put(phba
->sli4_hba
.mbx_wq
, mqe
);
8187 if (rc
!= MBX_SUCCESS
) {
8188 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
8189 "(%d):2533 Mailbox command x%x (x%x/x%x) "
8190 "cannot issue Data: x%x x%x\n",
8191 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
8192 mboxq
->u
.mb
.mbxCommand
,
8193 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
8194 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
8195 psli
->sli_flag
, MBX_NOWAIT
);
8196 goto out_not_finished
;
8202 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8203 if (phba
->sli
.mbox_active
) {
8204 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8205 __lpfc_mbox_cmpl_put(phba
, mboxq
);
8206 /* Release the token */
8207 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8208 phba
->sli
.mbox_active
= NULL
;
8210 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8212 return MBX_NOT_FINISHED
;
8216 * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command
8217 * @phba: Pointer to HBA context object.
8218 * @pmbox: Pointer to mailbox object.
8219 * @flag: Flag indicating how the mailbox need to be processed.
8221 * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from
8222 * the API jump table function pointer from the lpfc_hba struct.
8224 * Return codes the caller owns the mailbox command after the return of the
8228 lpfc_sli_issue_mbox(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmbox
, uint32_t flag
)
8230 return phba
->lpfc_sli_issue_mbox(phba
, pmbox
, flag
);
8234 * lpfc_mbox_api_table_setup - Set up mbox api function jump table
8235 * @phba: The hba struct for which this call is being executed.
8236 * @dev_grp: The HBA PCI-Device group number.
8238 * This routine sets up the mbox interface API function jump table in @phba
8240 * Returns: 0 - success, -ENODEV - failure.
8243 lpfc_mbox_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
8247 case LPFC_PCI_DEV_LP
:
8248 phba
->lpfc_sli_issue_mbox
= lpfc_sli_issue_mbox_s3
;
8249 phba
->lpfc_sli_handle_slow_ring_event
=
8250 lpfc_sli_handle_slow_ring_event_s3
;
8251 phba
->lpfc_sli_hbq_to_firmware
= lpfc_sli_hbq_to_firmware_s3
;
8252 phba
->lpfc_sli_brdrestart
= lpfc_sli_brdrestart_s3
;
8253 phba
->lpfc_sli_brdready
= lpfc_sli_brdready_s3
;
8255 case LPFC_PCI_DEV_OC
:
8256 phba
->lpfc_sli_issue_mbox
= lpfc_sli_issue_mbox_s4
;
8257 phba
->lpfc_sli_handle_slow_ring_event
=
8258 lpfc_sli_handle_slow_ring_event_s4
;
8259 phba
->lpfc_sli_hbq_to_firmware
= lpfc_sli_hbq_to_firmware_s4
;
8260 phba
->lpfc_sli_brdrestart
= lpfc_sli_brdrestart_s4
;
8261 phba
->lpfc_sli_brdready
= lpfc_sli_brdready_s4
;
8264 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8265 "1420 Invalid HBA PCI-device group: 0x%x\n",
8274 * __lpfc_sli_ringtx_put - Add an iocb to the txq
8275 * @phba: Pointer to HBA context object.
8276 * @pring: Pointer to driver SLI ring object.
8277 * @piocb: Pointer to address of newly added command iocb.
8279 * This function is called with hbalock held to add a command
8280 * iocb to the txq when SLI layer cannot submit the command iocb
8284 __lpfc_sli_ringtx_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
8285 struct lpfc_iocbq
*piocb
)
8287 lockdep_assert_held(&phba
->hbalock
);
8288 /* Insert the caller's iocb in the txq tail for later processing. */
8289 list_add_tail(&piocb
->list
, &pring
->txq
);
8293 * lpfc_sli_next_iocb - Get the next iocb in the txq
8294 * @phba: Pointer to HBA context object.
8295 * @pring: Pointer to driver SLI ring object.
8296 * @piocb: Pointer to address of newly added command iocb.
8298 * This function is called with hbalock held before a new
8299 * iocb is submitted to the firmware. This function checks
8300 * txq to flush the iocbs in txq to Firmware before
8301 * submitting new iocbs to the Firmware.
8302 * If there are iocbs in the txq which need to be submitted
8303 * to firmware, lpfc_sli_next_iocb returns the first element
8304 * of the txq after dequeuing it from txq.
8305 * If there is no iocb in the txq then the function will return
8306 * *piocb and *piocb is set to NULL. Caller needs to check
8307 * *piocb to find if there are more commands in the txq.
8309 static struct lpfc_iocbq
*
8310 lpfc_sli_next_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
8311 struct lpfc_iocbq
**piocb
)
8313 struct lpfc_iocbq
* nextiocb
;
8315 lockdep_assert_held(&phba
->hbalock
);
8317 nextiocb
= lpfc_sli_ringtx_get(phba
, pring
);
8327 * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb
8328 * @phba: Pointer to HBA context object.
8329 * @ring_number: SLI ring number to issue iocb on.
8330 * @piocb: Pointer to command iocb.
8331 * @flag: Flag indicating if this command can be put into txq.
8333 * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue
8334 * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is
8335 * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT
8336 * flag is turned on, the function returns IOCB_ERROR. When the link is down,
8337 * this function allows only iocbs for posting buffers. This function finds
8338 * next available slot in the command ring and posts the command to the
8339 * available slot and writes the port attention register to request HBA start
8340 * processing new iocb. If there is no slot available in the ring and
8341 * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise
8342 * the function returns IOCB_BUSY.
8344 * This function is called with hbalock held. The function will return success
8345 * after it successfully submit the iocb to firmware or after adding to the
8349 __lpfc_sli_issue_iocb_s3(struct lpfc_hba
*phba
, uint32_t ring_number
,
8350 struct lpfc_iocbq
*piocb
, uint32_t flag
)
8352 struct lpfc_iocbq
*nextiocb
;
8354 struct lpfc_sli_ring
*pring
= &phba
->sli
.sli3_ring
[ring_number
];
8356 lockdep_assert_held(&phba
->hbalock
);
8358 if (piocb
->iocb_cmpl
&& (!piocb
->vport
) &&
8359 (piocb
->iocb
.ulpCommand
!= CMD_ABORT_XRI_CN
) &&
8360 (piocb
->iocb
.ulpCommand
!= CMD_CLOSE_XRI_CN
)) {
8361 lpfc_printf_log(phba
, KERN_ERR
,
8362 LOG_SLI
| LOG_VPORT
,
8363 "1807 IOCB x%x failed. No vport\n",
8364 piocb
->iocb
.ulpCommand
);
8370 /* If the PCI channel is in offline state, do not post iocbs. */
8371 if (unlikely(pci_channel_offline(phba
->pcidev
)))
8374 /* If HBA has a deferred error attention, fail the iocb. */
8375 if (unlikely(phba
->hba_flag
& DEFER_ERATT
))
8379 * We should never get an IOCB if we are in a < LINK_DOWN state
8381 if (unlikely(phba
->link_state
< LPFC_LINK_DOWN
))
8385 * Check to see if we are blocking IOCB processing because of a
8386 * outstanding event.
8388 if (unlikely(pring
->flag
& LPFC_STOP_IOCB_EVENT
))
8391 if (unlikely(phba
->link_state
== LPFC_LINK_DOWN
)) {
8393 * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF
8394 * can be issued if the link is not up.
8396 switch (piocb
->iocb
.ulpCommand
) {
8397 case CMD_GEN_REQUEST64_CR
:
8398 case CMD_GEN_REQUEST64_CX
:
8399 if (!(phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
) ||
8400 (piocb
->iocb
.un
.genreq64
.w5
.hcsw
.Rctl
!=
8401 FC_RCTL_DD_UNSOL_CMD
) ||
8402 (piocb
->iocb
.un
.genreq64
.w5
.hcsw
.Type
!=
8403 MENLO_TRANSPORT_TYPE
))
8407 case CMD_QUE_RING_BUF_CN
:
8408 case CMD_QUE_RING_BUF64_CN
:
8410 * For IOCBs, like QUE_RING_BUF, that have no rsp ring
8411 * completion, iocb_cmpl MUST be 0.
8413 if (piocb
->iocb_cmpl
)
8414 piocb
->iocb_cmpl
= NULL
;
8416 case CMD_CREATE_XRI_CR
:
8417 case CMD_CLOSE_XRI_CN
:
8418 case CMD_CLOSE_XRI_CX
:
8425 * For FCP commands, we must be in a state where we can process link
8428 } else if (unlikely(pring
->ringno
== LPFC_FCP_RING
&&
8429 !(phba
->sli
.sli_flag
& LPFC_PROCESS_LA
))) {
8433 while ((iocb
= lpfc_sli_next_iocb_slot(phba
, pring
)) &&
8434 (nextiocb
= lpfc_sli_next_iocb(phba
, pring
, &piocb
)))
8435 lpfc_sli_submit_iocb(phba
, pring
, iocb
, nextiocb
);
8438 lpfc_sli_update_ring(phba
, pring
);
8440 lpfc_sli_update_full_ring(phba
, pring
);
8443 return IOCB_SUCCESS
;
8448 pring
->stats
.iocb_cmd_delay
++;
8452 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
8453 __lpfc_sli_ringtx_put(phba
, pring
, piocb
);
8454 return IOCB_SUCCESS
;
8461 * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl.
8462 * @phba: Pointer to HBA context object.
8463 * @piocb: Pointer to command iocb.
8464 * @sglq: Pointer to the scatter gather queue object.
8466 * This routine converts the bpl or bde that is in the IOCB
8467 * to a sgl list for the sli4 hardware. The physical address
8468 * of the bpl/bde is converted back to a virtual address.
8469 * If the IOCB contains a BPL then the list of BDE's is
8470 * converted to sli4_sge's. If the IOCB contains a single
8471 * BDE then it is converted to a single sli_sge.
8472 * The IOCB is still in cpu endianess so the contents of
8473 * the bpl can be used without byte swapping.
8475 * Returns valid XRI = Success, NO_XRI = Failure.
8478 lpfc_sli4_bpl2sgl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocbq
,
8479 struct lpfc_sglq
*sglq
)
8481 uint16_t xritag
= NO_XRI
;
8482 struct ulp_bde64
*bpl
= NULL
;
8483 struct ulp_bde64 bde
;
8484 struct sli4_sge
*sgl
= NULL
;
8485 struct lpfc_dmabuf
*dmabuf
;
8489 uint32_t offset
= 0; /* accumulated offset in the sg request list */
8490 int inbound
= 0; /* number of sg reply entries inbound from firmware */
8492 if (!piocbq
|| !sglq
)
8495 sgl
= (struct sli4_sge
*)sglq
->sgl
;
8496 icmd
= &piocbq
->iocb
;
8497 if (icmd
->ulpCommand
== CMD_XMIT_BLS_RSP64_CX
)
8498 return sglq
->sli4_xritag
;
8499 if (icmd
->un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BLP_64
) {
8500 numBdes
= icmd
->un
.genreq64
.bdl
.bdeSize
/
8501 sizeof(struct ulp_bde64
);
8502 /* The addrHigh and addrLow fields within the IOCB
8503 * have not been byteswapped yet so there is no
8504 * need to swap them back.
8506 if (piocbq
->context3
)
8507 dmabuf
= (struct lpfc_dmabuf
*)piocbq
->context3
;
8511 bpl
= (struct ulp_bde64
*)dmabuf
->virt
;
8515 for (i
= 0; i
< numBdes
; i
++) {
8516 /* Should already be byte swapped. */
8517 sgl
->addr_hi
= bpl
->addrHigh
;
8518 sgl
->addr_lo
= bpl
->addrLow
;
8520 sgl
->word2
= le32_to_cpu(sgl
->word2
);
8521 if ((i
+1) == numBdes
)
8522 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
8524 bf_set(lpfc_sli4_sge_last
, sgl
, 0);
8525 /* swap the size field back to the cpu so we
8526 * can assign it to the sgl.
8528 bde
.tus
.w
= le32_to_cpu(bpl
->tus
.w
);
8529 sgl
->sge_len
= cpu_to_le32(bde
.tus
.f
.bdeSize
);
8530 /* The offsets in the sgl need to be accumulated
8531 * separately for the request and reply lists.
8532 * The request is always first, the reply follows.
8534 if (piocbq
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
) {
8535 /* add up the reply sg entries */
8536 if (bpl
->tus
.f
.bdeFlags
== BUFF_TYPE_BDE_64I
)
8538 /* first inbound? reset the offset */
8541 bf_set(lpfc_sli4_sge_offset
, sgl
, offset
);
8542 bf_set(lpfc_sli4_sge_type
, sgl
,
8543 LPFC_SGE_TYPE_DATA
);
8544 offset
+= bde
.tus
.f
.bdeSize
;
8546 sgl
->word2
= cpu_to_le32(sgl
->word2
);
8550 } else if (icmd
->un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BDE_64
) {
8551 /* The addrHigh and addrLow fields of the BDE have not
8552 * been byteswapped yet so they need to be swapped
8553 * before putting them in the sgl.
8556 cpu_to_le32(icmd
->un
.genreq64
.bdl
.addrHigh
);
8558 cpu_to_le32(icmd
->un
.genreq64
.bdl
.addrLow
);
8559 sgl
->word2
= le32_to_cpu(sgl
->word2
);
8560 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
8561 sgl
->word2
= cpu_to_le32(sgl
->word2
);
8563 cpu_to_le32(icmd
->un
.genreq64
.bdl
.bdeSize
);
8565 return sglq
->sli4_xritag
;
8569 * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry.
8570 * @phba: Pointer to HBA context object.
8571 * @piocb: Pointer to command iocb.
8572 * @wqe: Pointer to the work queue entry.
8574 * This routine converts the iocb command to its Work Queue Entry
8575 * equivalent. The wqe pointer should not have any fields set when
8576 * this routine is called because it will memcpy over them.
8577 * This routine does not set the CQ_ID or the WQEC bits in the
8580 * Returns: 0 = Success, IOCB_ERROR = Failure.
8583 lpfc_sli4_iocb2wqe(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
,
8584 union lpfc_wqe
*wqe
)
8586 uint32_t xmit_len
= 0, total_len
= 0;
8590 uint8_t command_type
= ELS_COMMAND_NON_FIP
;
8593 uint16_t abrt_iotag
;
8594 struct lpfc_iocbq
*abrtiocbq
;
8595 struct ulp_bde64
*bpl
= NULL
;
8596 uint32_t els_id
= LPFC_ELS_ID_DEFAULT
;
8598 struct ulp_bde64 bde
;
8599 struct lpfc_nodelist
*ndlp
;
8603 fip
= phba
->hba_flag
& HBA_FIP_SUPPORT
;
8604 /* The fcp commands will set command type */
8605 if (iocbq
->iocb_flag
& LPFC_IO_FCP
)
8606 command_type
= FCP_COMMAND
;
8607 else if (fip
&& (iocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
))
8608 command_type
= ELS_COMMAND_FIP
;
8610 command_type
= ELS_COMMAND_NON_FIP
;
8612 if (phba
->fcp_embed_io
)
8613 memset(wqe
, 0, sizeof(union lpfc_wqe128
));
8614 /* Some of the fields are in the right position already */
8615 memcpy(wqe
, &iocbq
->iocb
, sizeof(union lpfc_wqe
));
8616 wqe
->generic
.wqe_com
.word7
= 0; /* The ct field has moved so reset */
8617 wqe
->generic
.wqe_com
.word10
= 0;
8619 abort_tag
= (uint32_t) iocbq
->iotag
;
8620 xritag
= iocbq
->sli4_xritag
;
8621 /* words0-2 bpl convert bde */
8622 if (iocbq
->iocb
.un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BLP_64
) {
8623 numBdes
= iocbq
->iocb
.un
.genreq64
.bdl
.bdeSize
/
8624 sizeof(struct ulp_bde64
);
8625 bpl
= (struct ulp_bde64
*)
8626 ((struct lpfc_dmabuf
*)iocbq
->context3
)->virt
;
8630 /* Should already be byte swapped. */
8631 wqe
->generic
.bde
.addrHigh
= le32_to_cpu(bpl
->addrHigh
);
8632 wqe
->generic
.bde
.addrLow
= le32_to_cpu(bpl
->addrLow
);
8633 /* swap the size field back to the cpu so we
8634 * can assign it to the sgl.
8636 wqe
->generic
.bde
.tus
.w
= le32_to_cpu(bpl
->tus
.w
);
8637 xmit_len
= wqe
->generic
.bde
.tus
.f
.bdeSize
;
8639 for (i
= 0; i
< numBdes
; i
++) {
8640 bde
.tus
.w
= le32_to_cpu(bpl
[i
].tus
.w
);
8641 total_len
+= bde
.tus
.f
.bdeSize
;
8644 xmit_len
= iocbq
->iocb
.un
.fcpi64
.bdl
.bdeSize
;
8646 iocbq
->iocb
.ulpIoTag
= iocbq
->iotag
;
8647 cmnd
= iocbq
->iocb
.ulpCommand
;
8649 switch (iocbq
->iocb
.ulpCommand
) {
8650 case CMD_ELS_REQUEST64_CR
:
8651 if (iocbq
->iocb_flag
& LPFC_IO_LIBDFC
)
8652 ndlp
= iocbq
->context_un
.ndlp
;
8654 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
8655 if (!iocbq
->iocb
.ulpLe
) {
8656 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8657 "2007 Only Limited Edition cmd Format"
8658 " supported 0x%x\n",
8659 iocbq
->iocb
.ulpCommand
);
8663 wqe
->els_req
.payload_len
= xmit_len
;
8664 /* Els_reguest64 has a TMO */
8665 bf_set(wqe_tmo
, &wqe
->els_req
.wqe_com
,
8666 iocbq
->iocb
.ulpTimeout
);
8667 /* Need a VF for word 4 set the vf bit*/
8668 bf_set(els_req64_vf
, &wqe
->els_req
, 0);
8669 /* And a VFID for word 12 */
8670 bf_set(els_req64_vfid
, &wqe
->els_req
, 0);
8671 ct
= ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
);
8672 bf_set(wqe_ctxt_tag
, &wqe
->els_req
.wqe_com
,
8673 iocbq
->iocb
.ulpContext
);
8674 bf_set(wqe_ct
, &wqe
->els_req
.wqe_com
, ct
);
8675 bf_set(wqe_pu
, &wqe
->els_req
.wqe_com
, 0);
8676 /* CCP CCPE PV PRI in word10 were set in the memcpy */
8677 if (command_type
== ELS_COMMAND_FIP
)
8678 els_id
= ((iocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
)
8679 >> LPFC_FIP_ELS_ID_SHIFT
);
8680 pcmd
= (uint32_t *) (((struct lpfc_dmabuf
*)
8681 iocbq
->context2
)->virt
);
8682 if_type
= bf_get(lpfc_sli_intf_if_type
,
8683 &phba
->sli4_hba
.sli_intf
);
8684 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
8685 if (pcmd
&& (*pcmd
== ELS_CMD_FLOGI
||
8686 *pcmd
== ELS_CMD_SCR
||
8687 *pcmd
== ELS_CMD_FDISC
||
8688 *pcmd
== ELS_CMD_LOGO
||
8689 *pcmd
== ELS_CMD_PLOGI
)) {
8690 bf_set(els_req64_sp
, &wqe
->els_req
, 1);
8691 bf_set(els_req64_sid
, &wqe
->els_req
,
8692 iocbq
->vport
->fc_myDID
);
8693 if ((*pcmd
== ELS_CMD_FLOGI
) &&
8694 !(phba
->fc_topology
==
8695 LPFC_TOPOLOGY_LOOP
))
8696 bf_set(els_req64_sid
, &wqe
->els_req
, 0);
8697 bf_set(wqe_ct
, &wqe
->els_req
.wqe_com
, 1);
8698 bf_set(wqe_ctxt_tag
, &wqe
->els_req
.wqe_com
,
8699 phba
->vpi_ids
[iocbq
->vport
->vpi
]);
8700 } else if (pcmd
&& iocbq
->context1
) {
8701 bf_set(wqe_ct
, &wqe
->els_req
.wqe_com
, 0);
8702 bf_set(wqe_ctxt_tag
, &wqe
->els_req
.wqe_com
,
8703 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
8706 bf_set(wqe_temp_rpi
, &wqe
->els_req
.wqe_com
,
8707 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
8708 bf_set(wqe_els_id
, &wqe
->els_req
.wqe_com
, els_id
);
8709 bf_set(wqe_dbde
, &wqe
->els_req
.wqe_com
, 1);
8710 bf_set(wqe_iod
, &wqe
->els_req
.wqe_com
, LPFC_WQE_IOD_READ
);
8711 bf_set(wqe_qosd
, &wqe
->els_req
.wqe_com
, 1);
8712 bf_set(wqe_lenloc
, &wqe
->els_req
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
8713 bf_set(wqe_ebde_cnt
, &wqe
->els_req
.wqe_com
, 0);
8714 wqe
->els_req
.max_response_payload_len
= total_len
- xmit_len
;
8716 case CMD_XMIT_SEQUENCE64_CX
:
8717 bf_set(wqe_ctxt_tag
, &wqe
->xmit_sequence
.wqe_com
,
8718 iocbq
->iocb
.un
.ulpWord
[3]);
8719 bf_set(wqe_rcvoxid
, &wqe
->xmit_sequence
.wqe_com
,
8720 iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
);
8721 /* The entire sequence is transmitted for this IOCB */
8722 xmit_len
= total_len
;
8723 cmnd
= CMD_XMIT_SEQUENCE64_CR
;
8724 if (phba
->link_flag
& LS_LOOPBACK_MODE
)
8725 bf_set(wqe_xo
, &wqe
->xmit_sequence
.wge_ctl
, 1);
8726 case CMD_XMIT_SEQUENCE64_CR
:
8727 /* word3 iocb=io_tag32 wqe=reserved */
8728 wqe
->xmit_sequence
.rsvd3
= 0;
8729 /* word4 relative_offset memcpy */
8730 /* word5 r_ctl/df_ctl memcpy */
8731 bf_set(wqe_pu
, &wqe
->xmit_sequence
.wqe_com
, 0);
8732 bf_set(wqe_dbde
, &wqe
->xmit_sequence
.wqe_com
, 1);
8733 bf_set(wqe_iod
, &wqe
->xmit_sequence
.wqe_com
,
8734 LPFC_WQE_IOD_WRITE
);
8735 bf_set(wqe_lenloc
, &wqe
->xmit_sequence
.wqe_com
,
8736 LPFC_WQE_LENLOC_WORD12
);
8737 bf_set(wqe_ebde_cnt
, &wqe
->xmit_sequence
.wqe_com
, 0);
8738 wqe
->xmit_sequence
.xmit_len
= xmit_len
;
8739 command_type
= OTHER_COMMAND
;
8741 case CMD_XMIT_BCAST64_CN
:
8742 /* word3 iocb=iotag32 wqe=seq_payload_len */
8743 wqe
->xmit_bcast64
.seq_payload_len
= xmit_len
;
8744 /* word4 iocb=rsvd wqe=rsvd */
8745 /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */
8746 /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */
8747 bf_set(wqe_ct
, &wqe
->xmit_bcast64
.wqe_com
,
8748 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
8749 bf_set(wqe_dbde
, &wqe
->xmit_bcast64
.wqe_com
, 1);
8750 bf_set(wqe_iod
, &wqe
->xmit_bcast64
.wqe_com
, LPFC_WQE_IOD_WRITE
);
8751 bf_set(wqe_lenloc
, &wqe
->xmit_bcast64
.wqe_com
,
8752 LPFC_WQE_LENLOC_WORD3
);
8753 bf_set(wqe_ebde_cnt
, &wqe
->xmit_bcast64
.wqe_com
, 0);
8755 case CMD_FCP_IWRITE64_CR
:
8756 command_type
= FCP_COMMAND_DATA_OUT
;
8757 /* word3 iocb=iotag wqe=payload_offset_len */
8758 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8759 bf_set(payload_offset_len
, &wqe
->fcp_iwrite
,
8760 xmit_len
+ sizeof(struct fcp_rsp
));
8761 bf_set(cmd_buff_len
, &wqe
->fcp_iwrite
,
8763 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
8764 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
8765 bf_set(wqe_erp
, &wqe
->fcp_iwrite
.wqe_com
,
8766 iocbq
->iocb
.ulpFCP2Rcvy
);
8767 bf_set(wqe_lnk
, &wqe
->fcp_iwrite
.wqe_com
, iocbq
->iocb
.ulpXS
);
8768 /* Always open the exchange */
8769 bf_set(wqe_iod
, &wqe
->fcp_iwrite
.wqe_com
, LPFC_WQE_IOD_WRITE
);
8770 bf_set(wqe_lenloc
, &wqe
->fcp_iwrite
.wqe_com
,
8771 LPFC_WQE_LENLOC_WORD4
);
8772 bf_set(wqe_pu
, &wqe
->fcp_iwrite
.wqe_com
, iocbq
->iocb
.ulpPU
);
8773 bf_set(wqe_dbde
, &wqe
->fcp_iwrite
.wqe_com
, 1);
8774 if (iocbq
->iocb_flag
& LPFC_IO_OAS
) {
8775 bf_set(wqe_oas
, &wqe
->fcp_iwrite
.wqe_com
, 1);
8776 bf_set(wqe_ccpe
, &wqe
->fcp_iwrite
.wqe_com
, 1);
8777 if (iocbq
->priority
) {
8778 bf_set(wqe_ccp
, &wqe
->fcp_iwrite
.wqe_com
,
8779 (iocbq
->priority
<< 1));
8781 bf_set(wqe_ccp
, &wqe
->fcp_iwrite
.wqe_com
,
8782 (phba
->cfg_XLanePriority
<< 1));
8785 /* Note, word 10 is already initialized to 0 */
8787 if (phba
->fcp_embed_io
) {
8788 struct lpfc_scsi_buf
*lpfc_cmd
;
8789 struct sli4_sge
*sgl
;
8790 union lpfc_wqe128
*wqe128
;
8791 struct fcp_cmnd
*fcp_cmnd
;
8794 /* 128 byte wqe support here */
8795 wqe128
= (union lpfc_wqe128
*)wqe
;
8797 lpfc_cmd
= iocbq
->context1
;
8798 sgl
= (struct sli4_sge
*)lpfc_cmd
->fcp_bpl
;
8799 fcp_cmnd
= lpfc_cmd
->fcp_cmnd
;
8801 /* Word 0-2 - FCP_CMND */
8802 wqe128
->generic
.bde
.tus
.f
.bdeFlags
=
8803 BUFF_TYPE_BDE_IMMED
;
8804 wqe128
->generic
.bde
.tus
.f
.bdeSize
= sgl
->sge_len
;
8805 wqe128
->generic
.bde
.addrHigh
= 0;
8806 wqe128
->generic
.bde
.addrLow
= 88; /* Word 22 */
8808 bf_set(wqe_wqes
, &wqe128
->fcp_iwrite
.wqe_com
, 1);
8810 /* Word 22-29 FCP CMND Payload */
8811 ptr
= &wqe128
->words
[22];
8812 memcpy(ptr
, fcp_cmnd
, sizeof(struct fcp_cmnd
));
8815 case CMD_FCP_IREAD64_CR
:
8816 /* word3 iocb=iotag wqe=payload_offset_len */
8817 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8818 bf_set(payload_offset_len
, &wqe
->fcp_iread
,
8819 xmit_len
+ sizeof(struct fcp_rsp
));
8820 bf_set(cmd_buff_len
, &wqe
->fcp_iread
,
8822 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
8823 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
8824 bf_set(wqe_erp
, &wqe
->fcp_iread
.wqe_com
,
8825 iocbq
->iocb
.ulpFCP2Rcvy
);
8826 bf_set(wqe_lnk
, &wqe
->fcp_iread
.wqe_com
, iocbq
->iocb
.ulpXS
);
8827 /* Always open the exchange */
8828 bf_set(wqe_iod
, &wqe
->fcp_iread
.wqe_com
, LPFC_WQE_IOD_READ
);
8829 bf_set(wqe_lenloc
, &wqe
->fcp_iread
.wqe_com
,
8830 LPFC_WQE_LENLOC_WORD4
);
8831 bf_set(wqe_pu
, &wqe
->fcp_iread
.wqe_com
, iocbq
->iocb
.ulpPU
);
8832 bf_set(wqe_dbde
, &wqe
->fcp_iread
.wqe_com
, 1);
8833 if (iocbq
->iocb_flag
& LPFC_IO_OAS
) {
8834 bf_set(wqe_oas
, &wqe
->fcp_iread
.wqe_com
, 1);
8835 bf_set(wqe_ccpe
, &wqe
->fcp_iread
.wqe_com
, 1);
8836 if (iocbq
->priority
) {
8837 bf_set(wqe_ccp
, &wqe
->fcp_iread
.wqe_com
,
8838 (iocbq
->priority
<< 1));
8840 bf_set(wqe_ccp
, &wqe
->fcp_iread
.wqe_com
,
8841 (phba
->cfg_XLanePriority
<< 1));
8844 /* Note, word 10 is already initialized to 0 */
8846 if (phba
->fcp_embed_io
) {
8847 struct lpfc_scsi_buf
*lpfc_cmd
;
8848 struct sli4_sge
*sgl
;
8849 union lpfc_wqe128
*wqe128
;
8850 struct fcp_cmnd
*fcp_cmnd
;
8853 /* 128 byte wqe support here */
8854 wqe128
= (union lpfc_wqe128
*)wqe
;
8856 lpfc_cmd
= iocbq
->context1
;
8857 sgl
= (struct sli4_sge
*)lpfc_cmd
->fcp_bpl
;
8858 fcp_cmnd
= lpfc_cmd
->fcp_cmnd
;
8860 /* Word 0-2 - FCP_CMND */
8861 wqe128
->generic
.bde
.tus
.f
.bdeFlags
=
8862 BUFF_TYPE_BDE_IMMED
;
8863 wqe128
->generic
.bde
.tus
.f
.bdeSize
= sgl
->sge_len
;
8864 wqe128
->generic
.bde
.addrHigh
= 0;
8865 wqe128
->generic
.bde
.addrLow
= 88; /* Word 22 */
8867 bf_set(wqe_wqes
, &wqe128
->fcp_iread
.wqe_com
, 1);
8869 /* Word 22-29 FCP CMND Payload */
8870 ptr
= &wqe128
->words
[22];
8871 memcpy(ptr
, fcp_cmnd
, sizeof(struct fcp_cmnd
));
8874 case CMD_FCP_ICMND64_CR
:
8875 /* word3 iocb=iotag wqe=payload_offset_len */
8876 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8877 bf_set(payload_offset_len
, &wqe
->fcp_icmd
,
8878 xmit_len
+ sizeof(struct fcp_rsp
));
8879 bf_set(cmd_buff_len
, &wqe
->fcp_icmd
,
8881 /* word3 iocb=IO_TAG wqe=reserved */
8882 bf_set(wqe_pu
, &wqe
->fcp_icmd
.wqe_com
, 0);
8883 /* Always open the exchange */
8884 bf_set(wqe_dbde
, &wqe
->fcp_icmd
.wqe_com
, 1);
8885 bf_set(wqe_iod
, &wqe
->fcp_icmd
.wqe_com
, LPFC_WQE_IOD_WRITE
);
8886 bf_set(wqe_qosd
, &wqe
->fcp_icmd
.wqe_com
, 1);
8887 bf_set(wqe_lenloc
, &wqe
->fcp_icmd
.wqe_com
,
8888 LPFC_WQE_LENLOC_NONE
);
8889 bf_set(wqe_erp
, &wqe
->fcp_icmd
.wqe_com
,
8890 iocbq
->iocb
.ulpFCP2Rcvy
);
8891 if (iocbq
->iocb_flag
& LPFC_IO_OAS
) {
8892 bf_set(wqe_oas
, &wqe
->fcp_icmd
.wqe_com
, 1);
8893 bf_set(wqe_ccpe
, &wqe
->fcp_icmd
.wqe_com
, 1);
8894 if (iocbq
->priority
) {
8895 bf_set(wqe_ccp
, &wqe
->fcp_icmd
.wqe_com
,
8896 (iocbq
->priority
<< 1));
8898 bf_set(wqe_ccp
, &wqe
->fcp_icmd
.wqe_com
,
8899 (phba
->cfg_XLanePriority
<< 1));
8902 /* Note, word 10 is already initialized to 0 */
8904 if (phba
->fcp_embed_io
) {
8905 struct lpfc_scsi_buf
*lpfc_cmd
;
8906 struct sli4_sge
*sgl
;
8907 union lpfc_wqe128
*wqe128
;
8908 struct fcp_cmnd
*fcp_cmnd
;
8911 /* 128 byte wqe support here */
8912 wqe128
= (union lpfc_wqe128
*)wqe
;
8914 lpfc_cmd
= iocbq
->context1
;
8915 sgl
= (struct sli4_sge
*)lpfc_cmd
->fcp_bpl
;
8916 fcp_cmnd
= lpfc_cmd
->fcp_cmnd
;
8918 /* Word 0-2 - FCP_CMND */
8919 wqe128
->generic
.bde
.tus
.f
.bdeFlags
=
8920 BUFF_TYPE_BDE_IMMED
;
8921 wqe128
->generic
.bde
.tus
.f
.bdeSize
= sgl
->sge_len
;
8922 wqe128
->generic
.bde
.addrHigh
= 0;
8923 wqe128
->generic
.bde
.addrLow
= 88; /* Word 22 */
8925 bf_set(wqe_wqes
, &wqe128
->fcp_icmd
.wqe_com
, 1);
8927 /* Word 22-29 FCP CMND Payload */
8928 ptr
= &wqe128
->words
[22];
8929 memcpy(ptr
, fcp_cmnd
, sizeof(struct fcp_cmnd
));
8932 case CMD_GEN_REQUEST64_CR
:
8933 /* For this command calculate the xmit length of the
8937 numBdes
= iocbq
->iocb
.un
.genreq64
.bdl
.bdeSize
/
8938 sizeof(struct ulp_bde64
);
8939 for (i
= 0; i
< numBdes
; i
++) {
8940 bde
.tus
.w
= le32_to_cpu(bpl
[i
].tus
.w
);
8941 if (bde
.tus
.f
.bdeFlags
!= BUFF_TYPE_BDE_64
)
8943 xmit_len
+= bde
.tus
.f
.bdeSize
;
8945 /* word3 iocb=IO_TAG wqe=request_payload_len */
8946 wqe
->gen_req
.request_payload_len
= xmit_len
;
8947 /* word4 iocb=parameter wqe=relative_offset memcpy */
8948 /* word5 [rctl, type, df_ctl, la] copied in memcpy */
8949 /* word6 context tag copied in memcpy */
8950 if (iocbq
->iocb
.ulpCt_h
|| iocbq
->iocb
.ulpCt_l
) {
8951 ct
= ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
);
8952 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8953 "2015 Invalid CT %x command 0x%x\n",
8954 ct
, iocbq
->iocb
.ulpCommand
);
8957 bf_set(wqe_ct
, &wqe
->gen_req
.wqe_com
, 0);
8958 bf_set(wqe_tmo
, &wqe
->gen_req
.wqe_com
, iocbq
->iocb
.ulpTimeout
);
8959 bf_set(wqe_pu
, &wqe
->gen_req
.wqe_com
, iocbq
->iocb
.ulpPU
);
8960 bf_set(wqe_dbde
, &wqe
->gen_req
.wqe_com
, 1);
8961 bf_set(wqe_iod
, &wqe
->gen_req
.wqe_com
, LPFC_WQE_IOD_READ
);
8962 bf_set(wqe_qosd
, &wqe
->gen_req
.wqe_com
, 1);
8963 bf_set(wqe_lenloc
, &wqe
->gen_req
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
8964 bf_set(wqe_ebde_cnt
, &wqe
->gen_req
.wqe_com
, 0);
8965 wqe
->gen_req
.max_response_payload_len
= total_len
- xmit_len
;
8966 command_type
= OTHER_COMMAND
;
8968 case CMD_XMIT_ELS_RSP64_CX
:
8969 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
8970 /* words0-2 BDE memcpy */
8971 /* word3 iocb=iotag32 wqe=response_payload_len */
8972 wqe
->xmit_els_rsp
.response_payload_len
= xmit_len
;
8974 wqe
->xmit_els_rsp
.word4
= 0;
8975 /* word5 iocb=rsvd wge=did */
8976 bf_set(wqe_els_did
, &wqe
->xmit_els_rsp
.wqe_dest
,
8977 iocbq
->iocb
.un
.xseq64
.xmit_els_remoteID
);
8979 if_type
= bf_get(lpfc_sli_intf_if_type
,
8980 &phba
->sli4_hba
.sli_intf
);
8981 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
8982 if (iocbq
->vport
->fc_flag
& FC_PT2PT
) {
8983 bf_set(els_rsp64_sp
, &wqe
->xmit_els_rsp
, 1);
8984 bf_set(els_rsp64_sid
, &wqe
->xmit_els_rsp
,
8985 iocbq
->vport
->fc_myDID
);
8986 if (iocbq
->vport
->fc_myDID
== Fabric_DID
) {
8988 &wqe
->xmit_els_rsp
.wqe_dest
, 0);
8992 bf_set(wqe_ct
, &wqe
->xmit_els_rsp
.wqe_com
,
8993 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
8994 bf_set(wqe_pu
, &wqe
->xmit_els_rsp
.wqe_com
, iocbq
->iocb
.ulpPU
);
8995 bf_set(wqe_rcvoxid
, &wqe
->xmit_els_rsp
.wqe_com
,
8996 iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
);
8997 if (!iocbq
->iocb
.ulpCt_h
&& iocbq
->iocb
.ulpCt_l
)
8998 bf_set(wqe_ctxt_tag
, &wqe
->xmit_els_rsp
.wqe_com
,
8999 phba
->vpi_ids
[iocbq
->vport
->vpi
]);
9000 bf_set(wqe_dbde
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
9001 bf_set(wqe_iod
, &wqe
->xmit_els_rsp
.wqe_com
, LPFC_WQE_IOD_WRITE
);
9002 bf_set(wqe_qosd
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
9003 bf_set(wqe_lenloc
, &wqe
->xmit_els_rsp
.wqe_com
,
9004 LPFC_WQE_LENLOC_WORD3
);
9005 bf_set(wqe_ebde_cnt
, &wqe
->xmit_els_rsp
.wqe_com
, 0);
9006 bf_set(wqe_rsp_temp_rpi
, &wqe
->xmit_els_rsp
,
9007 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
9008 pcmd
= (uint32_t *) (((struct lpfc_dmabuf
*)
9009 iocbq
->context2
)->virt
);
9010 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
9011 bf_set(els_rsp64_sp
, &wqe
->xmit_els_rsp
, 1);
9012 bf_set(els_rsp64_sid
, &wqe
->xmit_els_rsp
,
9013 iocbq
->vport
->fc_myDID
);
9014 bf_set(wqe_ct
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
9015 bf_set(wqe_ctxt_tag
, &wqe
->xmit_els_rsp
.wqe_com
,
9016 phba
->vpi_ids
[phba
->pport
->vpi
]);
9018 command_type
= OTHER_COMMAND
;
9020 case CMD_CLOSE_XRI_CN
:
9021 case CMD_ABORT_XRI_CN
:
9022 case CMD_ABORT_XRI_CX
:
9023 /* words 0-2 memcpy should be 0 rserved */
9024 /* port will send abts */
9025 abrt_iotag
= iocbq
->iocb
.un
.acxri
.abortContextTag
;
9026 if (abrt_iotag
!= 0 && abrt_iotag
<= phba
->sli
.last_iotag
) {
9027 abrtiocbq
= phba
->sli
.iocbq_lookup
[abrt_iotag
];
9028 fip
= abrtiocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
;
9032 if ((iocbq
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
) || fip
)
9034 * The link is down, or the command was ELS_FIP
9035 * so the fw does not need to send abts
9038 bf_set(abort_cmd_ia
, &wqe
->abort_cmd
, 1);
9040 bf_set(abort_cmd_ia
, &wqe
->abort_cmd
, 0);
9041 bf_set(abort_cmd_criteria
, &wqe
->abort_cmd
, T_XRI_TAG
);
9042 /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */
9043 wqe
->abort_cmd
.rsrvd5
= 0;
9044 bf_set(wqe_ct
, &wqe
->abort_cmd
.wqe_com
,
9045 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
9046 abort_tag
= iocbq
->iocb
.un
.acxri
.abortIoTag
;
9048 * The abort handler will send us CMD_ABORT_XRI_CN or
9049 * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX
9051 bf_set(wqe_cmnd
, &wqe
->abort_cmd
.wqe_com
, CMD_ABORT_XRI_CX
);
9052 bf_set(wqe_qosd
, &wqe
->abort_cmd
.wqe_com
, 1);
9053 bf_set(wqe_lenloc
, &wqe
->abort_cmd
.wqe_com
,
9054 LPFC_WQE_LENLOC_NONE
);
9055 cmnd
= CMD_ABORT_XRI_CX
;
9056 command_type
= OTHER_COMMAND
;
9059 case CMD_XMIT_BLS_RSP64_CX
:
9060 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
9061 /* As BLS ABTS RSP WQE is very different from other WQEs,
9062 * we re-construct this WQE here based on information in
9063 * iocbq from scratch.
9065 memset(wqe
, 0, sizeof(union lpfc_wqe
));
9066 /* OX_ID is invariable to who sent ABTS to CT exchange */
9067 bf_set(xmit_bls_rsp64_oxid
, &wqe
->xmit_bls_rsp
,
9068 bf_get(lpfc_abts_oxid
, &iocbq
->iocb
.un
.bls_rsp
));
9069 if (bf_get(lpfc_abts_orig
, &iocbq
->iocb
.un
.bls_rsp
) ==
9070 LPFC_ABTS_UNSOL_INT
) {
9071 /* ABTS sent by initiator to CT exchange, the
9072 * RX_ID field will be filled with the newly
9073 * allocated responder XRI.
9075 bf_set(xmit_bls_rsp64_rxid
, &wqe
->xmit_bls_rsp
,
9076 iocbq
->sli4_xritag
);
9078 /* ABTS sent by responder to CT exchange, the
9079 * RX_ID field will be filled with the responder
9082 bf_set(xmit_bls_rsp64_rxid
, &wqe
->xmit_bls_rsp
,
9083 bf_get(lpfc_abts_rxid
, &iocbq
->iocb
.un
.bls_rsp
));
9085 bf_set(xmit_bls_rsp64_seqcnthi
, &wqe
->xmit_bls_rsp
, 0xffff);
9086 bf_set(wqe_xmit_bls_pt
, &wqe
->xmit_bls_rsp
.wqe_dest
, 0x1);
9089 bf_set(wqe_els_did
, &wqe
->xmit_bls_rsp
.wqe_dest
,
9091 bf_set(xmit_bls_rsp64_temprpi
, &wqe
->xmit_bls_rsp
,
9092 iocbq
->iocb
.ulpContext
);
9093 bf_set(wqe_ct
, &wqe
->xmit_bls_rsp
.wqe_com
, 1);
9094 bf_set(wqe_ctxt_tag
, &wqe
->xmit_bls_rsp
.wqe_com
,
9095 phba
->vpi_ids
[phba
->pport
->vpi
]);
9096 bf_set(wqe_qosd
, &wqe
->xmit_bls_rsp
.wqe_com
, 1);
9097 bf_set(wqe_lenloc
, &wqe
->xmit_bls_rsp
.wqe_com
,
9098 LPFC_WQE_LENLOC_NONE
);
9099 /* Overwrite the pre-set comnd type with OTHER_COMMAND */
9100 command_type
= OTHER_COMMAND
;
9101 if (iocbq
->iocb
.un
.xseq64
.w5
.hcsw
.Rctl
== FC_RCTL_BA_RJT
) {
9102 bf_set(xmit_bls_rsp64_rjt_vspec
, &wqe
->xmit_bls_rsp
,
9103 bf_get(lpfc_vndr_code
, &iocbq
->iocb
.un
.bls_rsp
));
9104 bf_set(xmit_bls_rsp64_rjt_expc
, &wqe
->xmit_bls_rsp
,
9105 bf_get(lpfc_rsn_expln
, &iocbq
->iocb
.un
.bls_rsp
));
9106 bf_set(xmit_bls_rsp64_rjt_rsnc
, &wqe
->xmit_bls_rsp
,
9107 bf_get(lpfc_rsn_code
, &iocbq
->iocb
.un
.bls_rsp
));
9111 case CMD_XRI_ABORTED_CX
:
9112 case CMD_CREATE_XRI_CR
: /* Do we expect to use this? */
9113 case CMD_IOCB_FCP_IBIDIR64_CR
: /* bidirectional xfer */
9114 case CMD_FCP_TSEND64_CX
: /* Target mode send xfer-ready */
9115 case CMD_FCP_TRSP64_CX
: /* Target mode rcv */
9116 case CMD_FCP_AUTO_TRSP_CX
: /* Auto target rsp */
9118 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
9119 "2014 Invalid command 0x%x\n",
9120 iocbq
->iocb
.ulpCommand
);
9125 if (iocbq
->iocb_flag
& LPFC_IO_DIF_PASS
)
9126 bf_set(wqe_dif
, &wqe
->generic
.wqe_com
, LPFC_WQE_DIF_PASSTHRU
);
9127 else if (iocbq
->iocb_flag
& LPFC_IO_DIF_STRIP
)
9128 bf_set(wqe_dif
, &wqe
->generic
.wqe_com
, LPFC_WQE_DIF_STRIP
);
9129 else if (iocbq
->iocb_flag
& LPFC_IO_DIF_INSERT
)
9130 bf_set(wqe_dif
, &wqe
->generic
.wqe_com
, LPFC_WQE_DIF_INSERT
);
9131 iocbq
->iocb_flag
&= ~(LPFC_IO_DIF_PASS
| LPFC_IO_DIF_STRIP
|
9132 LPFC_IO_DIF_INSERT
);
9133 bf_set(wqe_xri_tag
, &wqe
->generic
.wqe_com
, xritag
);
9134 bf_set(wqe_reqtag
, &wqe
->generic
.wqe_com
, iocbq
->iotag
);
9135 wqe
->generic
.wqe_com
.abort_tag
= abort_tag
;
9136 bf_set(wqe_cmd_type
, &wqe
->generic
.wqe_com
, command_type
);
9137 bf_set(wqe_cmnd
, &wqe
->generic
.wqe_com
, cmnd
);
9138 bf_set(wqe_class
, &wqe
->generic
.wqe_com
, iocbq
->iocb
.ulpClass
);
9139 bf_set(wqe_cqid
, &wqe
->generic
.wqe_com
, LPFC_WQE_CQ_ID_DEFAULT
);
9144 * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb
9145 * @phba: Pointer to HBA context object.
9146 * @ring_number: SLI ring number to issue iocb on.
9147 * @piocb: Pointer to command iocb.
9148 * @flag: Flag indicating if this command can be put into txq.
9150 * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue
9151 * an iocb command to an HBA with SLI-4 interface spec.
9153 * This function is called with hbalock held. The function will return success
9154 * after it successfully submit the iocb to firmware or after adding to the
9158 __lpfc_sli_issue_iocb_s4(struct lpfc_hba
*phba
, uint32_t ring_number
,
9159 struct lpfc_iocbq
*piocb
, uint32_t flag
)
9161 struct lpfc_sglq
*sglq
;
9162 union lpfc_wqe
*wqe
;
9163 union lpfc_wqe128 wqe128
;
9164 struct lpfc_queue
*wq
;
9165 struct lpfc_sli_ring
*pring
;
9168 if ((piocb
->iocb_flag
& LPFC_IO_FCP
) ||
9169 (piocb
->iocb_flag
& LPFC_USE_FCPWQIDX
)) {
9170 if (!phba
->cfg_fof
|| (!(piocb
->iocb_flag
& LPFC_IO_OAS
)))
9171 wq
= phba
->sli4_hba
.fcp_wq
[piocb
->hba_wqidx
];
9173 wq
= phba
->sli4_hba
.oas_wq
;
9175 wq
= phba
->sli4_hba
.els_wq
;
9178 /* Get corresponding ring */
9182 * The WQE can be either 64 or 128 bytes,
9183 * so allocate space on the stack assuming the largest.
9185 wqe
= (union lpfc_wqe
*)&wqe128
;
9187 lockdep_assert_held(&phba
->hbalock
);
9189 if (piocb
->sli4_xritag
== NO_XRI
) {
9190 if (piocb
->iocb
.ulpCommand
== CMD_ABORT_XRI_CN
||
9191 piocb
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
)
9194 if (!list_empty(&pring
->txq
)) {
9195 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
9196 __lpfc_sli_ringtx_put(phba
,
9198 return IOCB_SUCCESS
;
9203 sglq
= __lpfc_sli_get_els_sglq(phba
, piocb
);
9205 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
9206 __lpfc_sli_ringtx_put(phba
,
9209 return IOCB_SUCCESS
;
9215 } else if (piocb
->iocb_flag
& LPFC_IO_FCP
)
9216 /* These IO's already have an XRI and a mapped sgl. */
9220 * This is a continuation of a commandi,(CX) so this
9221 * sglq is on the active list
9223 sglq
= __lpfc_get_active_sglq(phba
, piocb
->sli4_lxritag
);
9229 piocb
->sli4_lxritag
= sglq
->sli4_lxritag
;
9230 piocb
->sli4_xritag
= sglq
->sli4_xritag
;
9231 if (NO_XRI
== lpfc_sli4_bpl2sgl(phba
, piocb
, sglq
))
9235 if (lpfc_sli4_iocb2wqe(phba
, piocb
, wqe
))
9238 if (lpfc_sli4_wq_put(wq
, wqe
))
9240 lpfc_sli_ringtxcmpl_put(phba
, pring
, piocb
);
9246 * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb
9248 * This routine wraps the actual lockless version for issusing IOCB function
9249 * pointer from the lpfc_hba struct.
9252 * IOCB_ERROR - Error
9253 * IOCB_SUCCESS - Success
9257 __lpfc_sli_issue_iocb(struct lpfc_hba
*phba
, uint32_t ring_number
,
9258 struct lpfc_iocbq
*piocb
, uint32_t flag
)
9260 return phba
->__lpfc_sli_issue_iocb(phba
, ring_number
, piocb
, flag
);
9264 * lpfc_sli_api_table_setup - Set up sli api function jump table
9265 * @phba: The hba struct for which this call is being executed.
9266 * @dev_grp: The HBA PCI-Device group number.
9268 * This routine sets up the SLI interface API function jump table in @phba
9270 * Returns: 0 - success, -ENODEV - failure.
9273 lpfc_sli_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
9277 case LPFC_PCI_DEV_LP
:
9278 phba
->__lpfc_sli_issue_iocb
= __lpfc_sli_issue_iocb_s3
;
9279 phba
->__lpfc_sli_release_iocbq
= __lpfc_sli_release_iocbq_s3
;
9281 case LPFC_PCI_DEV_OC
:
9282 phba
->__lpfc_sli_issue_iocb
= __lpfc_sli_issue_iocb_s4
;
9283 phba
->__lpfc_sli_release_iocbq
= __lpfc_sli_release_iocbq_s4
;
9286 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9287 "1419 Invalid HBA PCI-device group: 0x%x\n",
9292 phba
->lpfc_get_iocb_from_iocbq
= lpfc_get_iocb_from_iocbq
;
9297 * lpfc_sli4_calc_ring - Calculates which ring to use
9298 * @phba: Pointer to HBA context object.
9299 * @piocb: Pointer to command iocb.
9301 * For SLI4 only, FCP IO can deferred to one fo many WQs, based on
9302 * hba_wqidx, thus we need to calculate the corresponding ring.
9303 * Since ABORTS must go on the same WQ of the command they are
9304 * aborting, we use command's hba_wqidx.
9306 struct lpfc_sli_ring
*
9307 lpfc_sli4_calc_ring(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocb
)
9309 if (piocb
->iocb_flag
& (LPFC_IO_FCP
| LPFC_USE_FCPWQIDX
)) {
9310 if (!(phba
->cfg_fof
) ||
9311 (!(piocb
->iocb_flag
& LPFC_IO_FOF
))) {
9312 if (unlikely(!phba
->sli4_hba
.fcp_wq
))
9315 * for abort iocb hba_wqidx should already
9316 * be setup based on what work queue we used.
9318 if (!(piocb
->iocb_flag
& LPFC_USE_FCPWQIDX
))
9320 lpfc_sli4_scmd_to_wqidx_distr(phba
,
9322 return phba
->sli4_hba
.fcp_wq
[piocb
->hba_wqidx
]->pring
;
9324 if (unlikely(!phba
->sli4_hba
.oas_wq
))
9326 piocb
->hba_wqidx
= 0;
9327 return phba
->sli4_hba
.oas_wq
->pring
;
9330 if (unlikely(!phba
->sli4_hba
.els_wq
))
9332 piocb
->hba_wqidx
= 0;
9333 return phba
->sli4_hba
.els_wq
->pring
;
9338 * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb
9339 * @phba: Pointer to HBA context object.
9340 * @pring: Pointer to driver SLI ring object.
9341 * @piocb: Pointer to command iocb.
9342 * @flag: Flag indicating if this command can be put into txq.
9344 * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb
9345 * function. This function gets the hbalock and calls
9346 * __lpfc_sli_issue_iocb function and will return the error returned
9347 * by __lpfc_sli_issue_iocb function. This wrapper is used by
9348 * functions which do not hold hbalock.
9351 lpfc_sli_issue_iocb(struct lpfc_hba
*phba
, uint32_t ring_number
,
9352 struct lpfc_iocbq
*piocb
, uint32_t flag
)
9354 struct lpfc_hba_eq_hdl
*hba_eq_hdl
;
9355 struct lpfc_sli_ring
*pring
;
9356 struct lpfc_queue
*fpeq
;
9357 struct lpfc_eqe
*eqe
;
9358 unsigned long iflags
;
9361 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9362 pring
= lpfc_sli4_calc_ring(phba
, piocb
);
9363 if (unlikely(pring
== NULL
))
9366 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
9367 rc
= __lpfc_sli_issue_iocb(phba
, ring_number
, piocb
, flag
);
9368 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
9370 if (lpfc_fcp_look_ahead
&& (piocb
->iocb_flag
& LPFC_IO_FCP
)) {
9371 idx
= piocb
->hba_wqidx
;
9372 hba_eq_hdl
= &phba
->sli4_hba
.hba_eq_hdl
[idx
];
9374 if (atomic_dec_and_test(&hba_eq_hdl
->hba_eq_in_use
)) {
9376 /* Get associated EQ with this index */
9377 fpeq
= phba
->sli4_hba
.hba_eq
[idx
];
9379 /* Turn off interrupts from this EQ */
9380 lpfc_sli4_eq_clr_intr(fpeq
);
9383 * Process all the events on FCP EQ
9385 while ((eqe
= lpfc_sli4_eq_get(fpeq
))) {
9386 lpfc_sli4_hba_handle_eqe(phba
,
9388 fpeq
->EQ_processed
++;
9391 /* Always clear and re-arm the EQ */
9392 lpfc_sli4_eq_release(fpeq
,
9395 atomic_inc(&hba_eq_hdl
->hba_eq_in_use
);
9398 /* For now, SLI2/3 will still use hbalock */
9399 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9400 rc
= __lpfc_sli_issue_iocb(phba
, ring_number
, piocb
, flag
);
9401 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9407 * lpfc_extra_ring_setup - Extra ring setup function
9408 * @phba: Pointer to HBA context object.
9410 * This function is called while driver attaches with the
9411 * HBA to setup the extra ring. The extra ring is used
9412 * only when driver needs to support target mode functionality
9413 * or IP over FC functionalities.
9415 * This function is called with no lock held. SLI3 only.
9418 lpfc_extra_ring_setup( struct lpfc_hba
*phba
)
9420 struct lpfc_sli
*psli
;
9421 struct lpfc_sli_ring
*pring
;
9425 /* Adjust cmd/rsp ring iocb entries more evenly */
9427 /* Take some away from the FCP ring */
9428 pring
= &psli
->sli3_ring
[LPFC_FCP_RING
];
9429 pring
->sli
.sli3
.numCiocb
-= SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
9430 pring
->sli
.sli3
.numRiocb
-= SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
9431 pring
->sli
.sli3
.numCiocb
-= SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
9432 pring
->sli
.sli3
.numRiocb
-= SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
9434 /* and give them to the extra ring */
9435 pring
= &psli
->sli3_ring
[LPFC_EXTRA_RING
];
9437 pring
->sli
.sli3
.numCiocb
+= SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
9438 pring
->sli
.sli3
.numRiocb
+= SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
9439 pring
->sli
.sli3
.numCiocb
+= SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
9440 pring
->sli
.sli3
.numRiocb
+= SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
9442 /* Setup default profile for this ring */
9443 pring
->iotag_max
= 4096;
9444 pring
->num_mask
= 1;
9445 pring
->prt
[0].profile
= 0; /* Mask 0 */
9446 pring
->prt
[0].rctl
= phba
->cfg_multi_ring_rctl
;
9447 pring
->prt
[0].type
= phba
->cfg_multi_ring_type
;
9448 pring
->prt
[0].lpfc_sli_rcv_unsol_event
= NULL
;
9452 /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port.
9453 * @phba: Pointer to HBA context object.
9454 * @iocbq: Pointer to iocb object.
9456 * The async_event handler calls this routine when it receives
9457 * an ASYNC_STATUS_CN event from the port. The port generates
9458 * this event when an Abort Sequence request to an rport fails
9459 * twice in succession. The abort could be originated by the
9460 * driver or by the port. The ABTS could have been for an ELS
9461 * or FCP IO. The port only generates this event when an ABTS
9462 * fails to complete after one retry.
9465 lpfc_sli_abts_err_handler(struct lpfc_hba
*phba
,
9466 struct lpfc_iocbq
*iocbq
)
9468 struct lpfc_nodelist
*ndlp
= NULL
;
9469 uint16_t rpi
= 0, vpi
= 0;
9470 struct lpfc_vport
*vport
= NULL
;
9472 /* The rpi in the ulpContext is vport-sensitive. */
9473 vpi
= iocbq
->iocb
.un
.asyncstat
.sub_ctxt_tag
;
9474 rpi
= iocbq
->iocb
.ulpContext
;
9476 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
9477 "3092 Port generated ABTS async event "
9478 "on vpi %d rpi %d status 0x%x\n",
9479 vpi
, rpi
, iocbq
->iocb
.ulpStatus
);
9481 vport
= lpfc_find_vport_by_vpid(phba
, vpi
);
9484 ndlp
= lpfc_findnode_rpi(vport
, rpi
);
9485 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
))
9488 if (iocbq
->iocb
.ulpStatus
== IOSTAT_LOCAL_REJECT
)
9489 lpfc_sli_abts_recover_port(vport
, ndlp
);
9493 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9494 "3095 Event Context not found, no "
9495 "action on vpi %d rpi %d status 0x%x, reason 0x%x\n",
9496 iocbq
->iocb
.ulpContext
, iocbq
->iocb
.ulpStatus
,
9500 /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port.
9501 * @phba: pointer to HBA context object.
9502 * @ndlp: nodelist pointer for the impacted rport.
9503 * @axri: pointer to the wcqe containing the failed exchange.
9505 * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the
9506 * port. The port generates this event when an abort exchange request to an
9507 * rport fails twice in succession with no reply. The abort could be originated
9508 * by the driver or by the port. The ABTS could have been for an ELS or FCP IO.
9511 lpfc_sli4_abts_err_handler(struct lpfc_hba
*phba
,
9512 struct lpfc_nodelist
*ndlp
,
9513 struct sli4_wcqe_xri_aborted
*axri
)
9515 struct lpfc_vport
*vport
;
9516 uint32_t ext_status
= 0;
9518 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
)) {
9519 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9520 "3115 Node Context not found, driver "
9521 "ignoring abts err event\n");
9525 vport
= ndlp
->vport
;
9526 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
9527 "3116 Port generated FCP XRI ABORT event on "
9528 "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n",
9529 ndlp
->vport
->vpi
, phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
],
9530 bf_get(lpfc_wcqe_xa_xri
, axri
),
9531 bf_get(lpfc_wcqe_xa_status
, axri
),
9535 * Catch the ABTS protocol failure case. Older OCe FW releases returned
9536 * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and
9537 * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT.
9539 ext_status
= axri
->parameter
& IOERR_PARAM_MASK
;
9540 if ((bf_get(lpfc_wcqe_xa_status
, axri
) == IOSTAT_LOCAL_REJECT
) &&
9541 ((ext_status
== IOERR_SEQUENCE_TIMEOUT
) || (ext_status
== 0)))
9542 lpfc_sli_abts_recover_port(vport
, ndlp
);
9546 * lpfc_sli_async_event_handler - ASYNC iocb handler function
9547 * @phba: Pointer to HBA context object.
9548 * @pring: Pointer to driver SLI ring object.
9549 * @iocbq: Pointer to iocb object.
9551 * This function is called by the slow ring event handler
9552 * function when there is an ASYNC event iocb in the ring.
9553 * This function is called with no lock held.
9554 * Currently this function handles only temperature related
9555 * ASYNC events. The function decodes the temperature sensor
9556 * event message and posts events for the management applications.
9559 lpfc_sli_async_event_handler(struct lpfc_hba
* phba
,
9560 struct lpfc_sli_ring
* pring
, struct lpfc_iocbq
* iocbq
)
9564 struct temp_event temp_event_data
;
9565 struct Scsi_Host
*shost
;
9568 icmd
= &iocbq
->iocb
;
9569 evt_code
= icmd
->un
.asyncstat
.evt_code
;
9572 case ASYNC_TEMP_WARN
:
9573 case ASYNC_TEMP_SAFE
:
9574 temp_event_data
.data
= (uint32_t) icmd
->ulpContext
;
9575 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
9576 if (evt_code
== ASYNC_TEMP_WARN
) {
9577 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
9578 lpfc_printf_log(phba
, KERN_ERR
, LOG_TEMP
,
9579 "0347 Adapter is very hot, please take "
9580 "corrective action. temperature : %d Celsius\n",
9581 (uint32_t) icmd
->ulpContext
);
9583 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
9584 lpfc_printf_log(phba
, KERN_ERR
, LOG_TEMP
,
9585 "0340 Adapter temperature is OK now. "
9586 "temperature : %d Celsius\n",
9587 (uint32_t) icmd
->ulpContext
);
9590 /* Send temperature change event to applications */
9591 shost
= lpfc_shost_from_vport(phba
->pport
);
9592 fc_host_post_vendor_event(shost
, fc_get_event_number(),
9593 sizeof(temp_event_data
), (char *) &temp_event_data
,
9596 case ASYNC_STATUS_CN
:
9597 lpfc_sli_abts_err_handler(phba
, iocbq
);
9600 iocb_w
= (uint32_t *) icmd
;
9601 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
9602 "0346 Ring %d handler: unexpected ASYNC_STATUS"
9604 "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n"
9605 "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n"
9606 "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n"
9607 "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n",
9608 pring
->ringno
, icmd
->un
.asyncstat
.evt_code
,
9609 iocb_w
[0], iocb_w
[1], iocb_w
[2], iocb_w
[3],
9610 iocb_w
[4], iocb_w
[5], iocb_w
[6], iocb_w
[7],
9611 iocb_w
[8], iocb_w
[9], iocb_w
[10], iocb_w
[11],
9612 iocb_w
[12], iocb_w
[13], iocb_w
[14], iocb_w
[15]);
9620 * lpfc_sli4_setup - SLI ring setup function
9621 * @phba: Pointer to HBA context object.
9623 * lpfc_sli_setup sets up rings of the SLI interface with
9624 * number of iocbs per ring and iotags. This function is
9625 * called while driver attach to the HBA and before the
9626 * interrupts are enabled. So there is no need for locking.
9628 * This function always returns 0.
9631 lpfc_sli4_setup(struct lpfc_hba
*phba
)
9633 struct lpfc_sli_ring
*pring
;
9635 pring
= phba
->sli4_hba
.els_wq
->pring
;
9636 pring
->num_mask
= LPFC_MAX_RING_MASK
;
9637 pring
->prt
[0].profile
= 0; /* Mask 0 */
9638 pring
->prt
[0].rctl
= FC_RCTL_ELS_REQ
;
9639 pring
->prt
[0].type
= FC_TYPE_ELS
;
9640 pring
->prt
[0].lpfc_sli_rcv_unsol_event
=
9641 lpfc_els_unsol_event
;
9642 pring
->prt
[1].profile
= 0; /* Mask 1 */
9643 pring
->prt
[1].rctl
= FC_RCTL_ELS_REP
;
9644 pring
->prt
[1].type
= FC_TYPE_ELS
;
9645 pring
->prt
[1].lpfc_sli_rcv_unsol_event
=
9646 lpfc_els_unsol_event
;
9647 pring
->prt
[2].profile
= 0; /* Mask 2 */
9648 /* NameServer Inquiry */
9649 pring
->prt
[2].rctl
= FC_RCTL_DD_UNSOL_CTL
;
9651 pring
->prt
[2].type
= FC_TYPE_CT
;
9652 pring
->prt
[2].lpfc_sli_rcv_unsol_event
=
9653 lpfc_ct_unsol_event
;
9654 pring
->prt
[3].profile
= 0; /* Mask 3 */
9655 /* NameServer response */
9656 pring
->prt
[3].rctl
= FC_RCTL_DD_SOL_CTL
;
9658 pring
->prt
[3].type
= FC_TYPE_CT
;
9659 pring
->prt
[3].lpfc_sli_rcv_unsol_event
=
9660 lpfc_ct_unsol_event
;
9665 * lpfc_sli_setup - SLI ring setup function
9666 * @phba: Pointer to HBA context object.
9668 * lpfc_sli_setup sets up rings of the SLI interface with
9669 * number of iocbs per ring and iotags. This function is
9670 * called while driver attach to the HBA and before the
9671 * interrupts are enabled. So there is no need for locking.
9673 * This function always returns 0. SLI3 only.
9676 lpfc_sli_setup(struct lpfc_hba
*phba
)
9678 int i
, totiocbsize
= 0;
9679 struct lpfc_sli
*psli
= &phba
->sli
;
9680 struct lpfc_sli_ring
*pring
;
9682 psli
->num_rings
= MAX_SLI3_CONFIGURED_RINGS
;
9685 psli
->iocbq_lookup
= NULL
;
9686 psli
->iocbq_lookup_len
= 0;
9687 psli
->last_iotag
= 0;
9689 for (i
= 0; i
< psli
->num_rings
; i
++) {
9690 pring
= &psli
->sli3_ring
[i
];
9692 case LPFC_FCP_RING
: /* ring 0 - FCP */
9693 /* numCiocb and numRiocb are used in config_port */
9694 pring
->sli
.sli3
.numCiocb
= SLI2_IOCB_CMD_R0_ENTRIES
;
9695 pring
->sli
.sli3
.numRiocb
= SLI2_IOCB_RSP_R0_ENTRIES
;
9696 pring
->sli
.sli3
.numCiocb
+=
9697 SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
9698 pring
->sli
.sli3
.numRiocb
+=
9699 SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
9700 pring
->sli
.sli3
.numCiocb
+=
9701 SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
9702 pring
->sli
.sli3
.numRiocb
+=
9703 SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
9704 pring
->sli
.sli3
.sizeCiocb
= (phba
->sli_rev
== 3) ?
9705 SLI3_IOCB_CMD_SIZE
:
9707 pring
->sli
.sli3
.sizeRiocb
= (phba
->sli_rev
== 3) ?
9708 SLI3_IOCB_RSP_SIZE
:
9710 pring
->iotag_ctr
= 0;
9712 (phba
->cfg_hba_queue_depth
* 2);
9713 pring
->fast_iotag
= pring
->iotag_max
;
9714 pring
->num_mask
= 0;
9716 case LPFC_EXTRA_RING
: /* ring 1 - EXTRA */
9717 /* numCiocb and numRiocb are used in config_port */
9718 pring
->sli
.sli3
.numCiocb
= SLI2_IOCB_CMD_R1_ENTRIES
;
9719 pring
->sli
.sli3
.numRiocb
= SLI2_IOCB_RSP_R1_ENTRIES
;
9720 pring
->sli
.sli3
.sizeCiocb
= (phba
->sli_rev
== 3) ?
9721 SLI3_IOCB_CMD_SIZE
:
9723 pring
->sli
.sli3
.sizeRiocb
= (phba
->sli_rev
== 3) ?
9724 SLI3_IOCB_RSP_SIZE
:
9726 pring
->iotag_max
= phba
->cfg_hba_queue_depth
;
9727 pring
->num_mask
= 0;
9729 case LPFC_ELS_RING
: /* ring 2 - ELS / CT */
9730 /* numCiocb and numRiocb are used in config_port */
9731 pring
->sli
.sli3
.numCiocb
= SLI2_IOCB_CMD_R2_ENTRIES
;
9732 pring
->sli
.sli3
.numRiocb
= SLI2_IOCB_RSP_R2_ENTRIES
;
9733 pring
->sli
.sli3
.sizeCiocb
= (phba
->sli_rev
== 3) ?
9734 SLI3_IOCB_CMD_SIZE
:
9736 pring
->sli
.sli3
.sizeRiocb
= (phba
->sli_rev
== 3) ?
9737 SLI3_IOCB_RSP_SIZE
:
9739 pring
->fast_iotag
= 0;
9740 pring
->iotag_ctr
= 0;
9741 pring
->iotag_max
= 4096;
9742 pring
->lpfc_sli_rcv_async_status
=
9743 lpfc_sli_async_event_handler
;
9744 pring
->num_mask
= LPFC_MAX_RING_MASK
;
9745 pring
->prt
[0].profile
= 0; /* Mask 0 */
9746 pring
->prt
[0].rctl
= FC_RCTL_ELS_REQ
;
9747 pring
->prt
[0].type
= FC_TYPE_ELS
;
9748 pring
->prt
[0].lpfc_sli_rcv_unsol_event
=
9749 lpfc_els_unsol_event
;
9750 pring
->prt
[1].profile
= 0; /* Mask 1 */
9751 pring
->prt
[1].rctl
= FC_RCTL_ELS_REP
;
9752 pring
->prt
[1].type
= FC_TYPE_ELS
;
9753 pring
->prt
[1].lpfc_sli_rcv_unsol_event
=
9754 lpfc_els_unsol_event
;
9755 pring
->prt
[2].profile
= 0; /* Mask 2 */
9756 /* NameServer Inquiry */
9757 pring
->prt
[2].rctl
= FC_RCTL_DD_UNSOL_CTL
;
9759 pring
->prt
[2].type
= FC_TYPE_CT
;
9760 pring
->prt
[2].lpfc_sli_rcv_unsol_event
=
9761 lpfc_ct_unsol_event
;
9762 pring
->prt
[3].profile
= 0; /* Mask 3 */
9763 /* NameServer response */
9764 pring
->prt
[3].rctl
= FC_RCTL_DD_SOL_CTL
;
9766 pring
->prt
[3].type
= FC_TYPE_CT
;
9767 pring
->prt
[3].lpfc_sli_rcv_unsol_event
=
9768 lpfc_ct_unsol_event
;
9771 totiocbsize
+= (pring
->sli
.sli3
.numCiocb
*
9772 pring
->sli
.sli3
.sizeCiocb
) +
9773 (pring
->sli
.sli3
.numRiocb
* pring
->sli
.sli3
.sizeRiocb
);
9775 if (totiocbsize
> MAX_SLIM_IOCB_SIZE
) {
9776 /* Too many cmd / rsp ring entries in SLI2 SLIM */
9777 printk(KERN_ERR
"%d:0462 Too many cmd / rsp ring entries in "
9778 "SLI2 SLIM Data: x%x x%lx\n",
9779 phba
->brd_no
, totiocbsize
,
9780 (unsigned long) MAX_SLIM_IOCB_SIZE
);
9782 if (phba
->cfg_multi_ring_support
== 2)
9783 lpfc_extra_ring_setup(phba
);
9789 * lpfc_sli4_queue_init - Queue initialization function
9790 * @phba: Pointer to HBA context object.
9792 * lpfc_sli4_queue_init sets up mailbox queues and iocb queues for each
9793 * ring. This function also initializes ring indices of each ring.
9794 * This function is called during the initialization of the SLI
9795 * interface of an HBA.
9796 * This function is called with no lock held and always returns
9800 lpfc_sli4_queue_init(struct lpfc_hba
*phba
)
9802 struct lpfc_sli
*psli
;
9803 struct lpfc_sli_ring
*pring
;
9807 spin_lock_irq(&phba
->hbalock
);
9808 INIT_LIST_HEAD(&psli
->mboxq
);
9809 INIT_LIST_HEAD(&psli
->mboxq_cmpl
);
9810 /* Initialize list headers for txq and txcmplq as double linked lists */
9811 for (i
= 0; i
< phba
->cfg_fcp_io_channel
; i
++) {
9812 pring
= phba
->sli4_hba
.fcp_wq
[i
]->pring
;
9814 pring
->ringno
= LPFC_FCP_RING
;
9815 INIT_LIST_HEAD(&pring
->txq
);
9816 INIT_LIST_HEAD(&pring
->txcmplq
);
9817 INIT_LIST_HEAD(&pring
->iocb_continueq
);
9818 spin_lock_init(&pring
->ring_lock
);
9820 for (i
= 0; i
< phba
->cfg_nvme_io_channel
; i
++) {
9821 pring
= phba
->sli4_hba
.nvme_wq
[i
]->pring
;
9823 pring
->ringno
= LPFC_FCP_RING
;
9824 INIT_LIST_HEAD(&pring
->txq
);
9825 INIT_LIST_HEAD(&pring
->txcmplq
);
9826 INIT_LIST_HEAD(&pring
->iocb_continueq
);
9827 spin_lock_init(&pring
->ring_lock
);
9829 pring
= phba
->sli4_hba
.els_wq
->pring
;
9831 pring
->ringno
= LPFC_ELS_RING
;
9832 INIT_LIST_HEAD(&pring
->txq
);
9833 INIT_LIST_HEAD(&pring
->txcmplq
);
9834 INIT_LIST_HEAD(&pring
->iocb_continueq
);
9835 spin_lock_init(&pring
->ring_lock
);
9837 if (phba
->cfg_nvme_io_channel
) {
9838 pring
= phba
->sli4_hba
.nvmels_wq
->pring
;
9840 pring
->ringno
= LPFC_ELS_RING
;
9841 INIT_LIST_HEAD(&pring
->txq
);
9842 INIT_LIST_HEAD(&pring
->txcmplq
);
9843 INIT_LIST_HEAD(&pring
->iocb_continueq
);
9844 spin_lock_init(&pring
->ring_lock
);
9847 if (phba
->cfg_fof
) {
9848 pring
= phba
->sli4_hba
.oas_wq
->pring
;
9850 pring
->ringno
= LPFC_FCP_RING
;
9851 INIT_LIST_HEAD(&pring
->txq
);
9852 INIT_LIST_HEAD(&pring
->txcmplq
);
9853 INIT_LIST_HEAD(&pring
->iocb_continueq
);
9854 spin_lock_init(&pring
->ring_lock
);
9857 spin_unlock_irq(&phba
->hbalock
);
9861 * lpfc_sli_queue_init - Queue initialization function
9862 * @phba: Pointer to HBA context object.
9864 * lpfc_sli_queue_init sets up mailbox queues and iocb queues for each
9865 * ring. This function also initializes ring indices of each ring.
9866 * This function is called during the initialization of the SLI
9867 * interface of an HBA.
9868 * This function is called with no lock held and always returns
9872 lpfc_sli_queue_init(struct lpfc_hba
*phba
)
9874 struct lpfc_sli
*psli
;
9875 struct lpfc_sli_ring
*pring
;
9879 spin_lock_irq(&phba
->hbalock
);
9880 INIT_LIST_HEAD(&psli
->mboxq
);
9881 INIT_LIST_HEAD(&psli
->mboxq_cmpl
);
9882 /* Initialize list headers for txq and txcmplq as double linked lists */
9883 for (i
= 0; i
< psli
->num_rings
; i
++) {
9884 pring
= &psli
->sli3_ring
[i
];
9886 pring
->sli
.sli3
.next_cmdidx
= 0;
9887 pring
->sli
.sli3
.local_getidx
= 0;
9888 pring
->sli
.sli3
.cmdidx
= 0;
9889 INIT_LIST_HEAD(&pring
->iocb_continueq
);
9890 INIT_LIST_HEAD(&pring
->iocb_continue_saveq
);
9891 INIT_LIST_HEAD(&pring
->postbufq
);
9893 INIT_LIST_HEAD(&pring
->txq
);
9894 INIT_LIST_HEAD(&pring
->txcmplq
);
9895 spin_lock_init(&pring
->ring_lock
);
9897 spin_unlock_irq(&phba
->hbalock
);
9901 * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system
9902 * @phba: Pointer to HBA context object.
9904 * This routine flushes the mailbox command subsystem. It will unconditionally
9905 * flush all the mailbox commands in the three possible stages in the mailbox
9906 * command sub-system: pending mailbox command queue; the outstanding mailbox
9907 * command; and completed mailbox command queue. It is caller's responsibility
9908 * to make sure that the driver is in the proper state to flush the mailbox
9909 * command sub-system. Namely, the posting of mailbox commands into the
9910 * pending mailbox command queue from the various clients must be stopped;
9911 * either the HBA is in a state that it will never works on the outstanding
9912 * mailbox command (such as in EEH or ERATT conditions) or the outstanding
9913 * mailbox command has been completed.
9916 lpfc_sli_mbox_sys_flush(struct lpfc_hba
*phba
)
9918 LIST_HEAD(completions
);
9919 struct lpfc_sli
*psli
= &phba
->sli
;
9921 unsigned long iflag
;
9923 /* Flush all the mailbox commands in the mbox system */
9924 spin_lock_irqsave(&phba
->hbalock
, iflag
);
9925 /* The pending mailbox command queue */
9926 list_splice_init(&phba
->sli
.mboxq
, &completions
);
9927 /* The outstanding active mailbox command */
9928 if (psli
->mbox_active
) {
9929 list_add_tail(&psli
->mbox_active
->list
, &completions
);
9930 psli
->mbox_active
= NULL
;
9931 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
9933 /* The completed mailbox command queue */
9934 list_splice_init(&phba
->sli
.mboxq_cmpl
, &completions
);
9935 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
9937 /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */
9938 while (!list_empty(&completions
)) {
9939 list_remove_head(&completions
, pmb
, LPFC_MBOXQ_t
, list
);
9940 pmb
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
9942 pmb
->mbox_cmpl(phba
, pmb
);
9947 * lpfc_sli_host_down - Vport cleanup function
9948 * @vport: Pointer to virtual port object.
9950 * lpfc_sli_host_down is called to clean up the resources
9951 * associated with a vport before destroying virtual
9952 * port data structures.
9953 * This function does following operations:
9954 * - Free discovery resources associated with this virtual
9956 * - Free iocbs associated with this virtual port in
9958 * - Send abort for all iocb commands associated with this
9961 * This function is called with no lock held and always returns 1.
9964 lpfc_sli_host_down(struct lpfc_vport
*vport
)
9966 LIST_HEAD(completions
);
9967 struct lpfc_hba
*phba
= vport
->phba
;
9968 struct lpfc_sli
*psli
= &phba
->sli
;
9969 struct lpfc_queue
*qp
= NULL
;
9970 struct lpfc_sli_ring
*pring
;
9971 struct lpfc_iocbq
*iocb
, *next_iocb
;
9973 unsigned long flags
= 0;
9974 uint16_t prev_pring_flag
;
9976 lpfc_cleanup_discovery_resources(vport
);
9978 spin_lock_irqsave(&phba
->hbalock
, flags
);
9981 * Error everything on the txq since these iocbs
9982 * have not been given to the FW yet.
9983 * Also issue ABTS for everything on the txcmplq
9985 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
9986 for (i
= 0; i
< psli
->num_rings
; i
++) {
9987 pring
= &psli
->sli3_ring
[i
];
9988 prev_pring_flag
= pring
->flag
;
9989 /* Only slow rings */
9990 if (pring
->ringno
== LPFC_ELS_RING
) {
9991 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
9992 /* Set the lpfc data pending flag */
9993 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
9995 list_for_each_entry_safe(iocb
, next_iocb
,
9996 &pring
->txq
, list
) {
9997 if (iocb
->vport
!= vport
)
9999 list_move_tail(&iocb
->list
, &completions
);
10001 list_for_each_entry_safe(iocb
, next_iocb
,
10002 &pring
->txcmplq
, list
) {
10003 if (iocb
->vport
!= vport
)
10005 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
10007 pring
->flag
= prev_pring_flag
;
10010 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
10014 if (pring
== phba
->sli4_hba
.els_wq
->pring
) {
10015 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
10016 /* Set the lpfc data pending flag */
10017 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
10019 prev_pring_flag
= pring
->flag
;
10020 spin_lock_irq(&pring
->ring_lock
);
10021 list_for_each_entry_safe(iocb
, next_iocb
,
10022 &pring
->txq
, list
) {
10023 if (iocb
->vport
!= vport
)
10025 list_move_tail(&iocb
->list
, &completions
);
10027 spin_unlock_irq(&pring
->ring_lock
);
10028 list_for_each_entry_safe(iocb
, next_iocb
,
10029 &pring
->txcmplq
, list
) {
10030 if (iocb
->vport
!= vport
)
10032 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
10034 pring
->flag
= prev_pring_flag
;
10037 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
10039 /* Cancel all the IOCBs from the completions list */
10040 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
10046 * lpfc_sli_hba_down - Resource cleanup function for the HBA
10047 * @phba: Pointer to HBA context object.
10049 * This function cleans up all iocb, buffers, mailbox commands
10050 * while shutting down the HBA. This function is called with no
10051 * lock held and always returns 1.
10052 * This function does the following to cleanup driver resources:
10053 * - Free discovery resources for each virtual port
10054 * - Cleanup any pending fabric iocbs
10055 * - Iterate through the iocb txq and free each entry
10057 * - Free up any buffer posted to the HBA
10058 * - Free mailbox commands in the mailbox queue.
10061 lpfc_sli_hba_down(struct lpfc_hba
*phba
)
10063 LIST_HEAD(completions
);
10064 struct lpfc_sli
*psli
= &phba
->sli
;
10065 struct lpfc_queue
*qp
= NULL
;
10066 struct lpfc_sli_ring
*pring
;
10067 struct lpfc_dmabuf
*buf_ptr
;
10068 unsigned long flags
= 0;
10071 /* Shutdown the mailbox command sub-system */
10072 lpfc_sli_mbox_sys_shutdown(phba
, LPFC_MBX_WAIT
);
10074 lpfc_hba_down_prep(phba
);
10076 lpfc_fabric_abort_hba(phba
);
10078 spin_lock_irqsave(&phba
->hbalock
, flags
);
10081 * Error everything on the txq since these iocbs
10082 * have not been given to the FW yet.
10084 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
10085 for (i
= 0; i
< psli
->num_rings
; i
++) {
10086 pring
= &psli
->sli3_ring
[i
];
10087 /* Only slow rings */
10088 if (pring
->ringno
== LPFC_ELS_RING
) {
10089 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
10090 /* Set the lpfc data pending flag */
10091 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
10093 list_splice_init(&pring
->txq
, &completions
);
10096 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
10100 spin_lock_irq(&pring
->ring_lock
);
10101 list_splice_init(&pring
->txq
, &completions
);
10102 spin_unlock_irq(&pring
->ring_lock
);
10103 if (pring
== phba
->sli4_hba
.els_wq
->pring
) {
10104 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
10105 /* Set the lpfc data pending flag */
10106 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
10110 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
10112 /* Cancel all the IOCBs from the completions list */
10113 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
10116 spin_lock_irqsave(&phba
->hbalock
, flags
);
10117 list_splice_init(&phba
->elsbuf
, &completions
);
10118 phba
->elsbuf_cnt
= 0;
10119 phba
->elsbuf_prev_cnt
= 0;
10120 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
10122 while (!list_empty(&completions
)) {
10123 list_remove_head(&completions
, buf_ptr
,
10124 struct lpfc_dmabuf
, list
);
10125 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
10129 /* Return any active mbox cmds */
10130 del_timer_sync(&psli
->mbox_tmo
);
10132 spin_lock_irqsave(&phba
->pport
->work_port_lock
, flags
);
10133 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
10134 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, flags
);
10140 * lpfc_sli_pcimem_bcopy - SLI memory copy function
10141 * @srcp: Source memory pointer.
10142 * @destp: Destination memory pointer.
10143 * @cnt: Number of words required to be copied.
10145 * This function is used for copying data between driver memory
10146 * and the SLI memory. This function also changes the endianness
10147 * of each word if native endianness is different from SLI
10148 * endianness. This function can be called with or without
10152 lpfc_sli_pcimem_bcopy(void *srcp
, void *destp
, uint32_t cnt
)
10154 uint32_t *src
= srcp
;
10155 uint32_t *dest
= destp
;
10159 for (i
= 0; i
< (int)cnt
; i
+= sizeof (uint32_t)) {
10161 ldata
= le32_to_cpu(ldata
);
10170 * lpfc_sli_bemem_bcopy - SLI memory copy function
10171 * @srcp: Source memory pointer.
10172 * @destp: Destination memory pointer.
10173 * @cnt: Number of words required to be copied.
10175 * This function is used for copying data between a data structure
10176 * with big endian representation to local endianness.
10177 * This function can be called with or without lock.
10180 lpfc_sli_bemem_bcopy(void *srcp
, void *destp
, uint32_t cnt
)
10182 uint32_t *src
= srcp
;
10183 uint32_t *dest
= destp
;
10187 for (i
= 0; i
< (int)cnt
; i
+= sizeof(uint32_t)) {
10189 ldata
= be32_to_cpu(ldata
);
10197 * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq
10198 * @phba: Pointer to HBA context object.
10199 * @pring: Pointer to driver SLI ring object.
10200 * @mp: Pointer to driver buffer object.
10202 * This function is called with no lock held.
10203 * It always return zero after adding the buffer to the postbufq
10207 lpfc_sli_ringpostbuf_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
10208 struct lpfc_dmabuf
*mp
)
10210 /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up
10212 spin_lock_irq(&phba
->hbalock
);
10213 list_add_tail(&mp
->list
, &pring
->postbufq
);
10214 pring
->postbufq_cnt
++;
10215 spin_unlock_irq(&phba
->hbalock
);
10220 * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer
10221 * @phba: Pointer to HBA context object.
10223 * When HBQ is enabled, buffers are searched based on tags. This function
10224 * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The
10225 * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag
10226 * does not conflict with tags of buffer posted for unsolicited events.
10227 * The function returns the allocated tag. The function is called with
10231 lpfc_sli_get_buffer_tag(struct lpfc_hba
*phba
)
10233 spin_lock_irq(&phba
->hbalock
);
10234 phba
->buffer_tag_count
++;
10236 * Always set the QUE_BUFTAG_BIT to distiguish between
10237 * a tag assigned by HBQ.
10239 phba
->buffer_tag_count
|= QUE_BUFTAG_BIT
;
10240 spin_unlock_irq(&phba
->hbalock
);
10241 return phba
->buffer_tag_count
;
10245 * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag
10246 * @phba: Pointer to HBA context object.
10247 * @pring: Pointer to driver SLI ring object.
10248 * @tag: Buffer tag.
10250 * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq
10251 * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX
10252 * iocb is posted to the response ring with the tag of the buffer.
10253 * This function searches the pring->postbufq list using the tag
10254 * to find buffer associated with CMD_IOCB_RET_XRI64_CX
10255 * iocb. If the buffer is found then lpfc_dmabuf object of the
10256 * buffer is returned to the caller else NULL is returned.
10257 * This function is called with no lock held.
10259 struct lpfc_dmabuf
*
10260 lpfc_sli_ring_taggedbuf_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
10263 struct lpfc_dmabuf
*mp
, *next_mp
;
10264 struct list_head
*slp
= &pring
->postbufq
;
10266 /* Search postbufq, from the beginning, looking for a match on tag */
10267 spin_lock_irq(&phba
->hbalock
);
10268 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
10269 if (mp
->buffer_tag
== tag
) {
10270 list_del_init(&mp
->list
);
10271 pring
->postbufq_cnt
--;
10272 spin_unlock_irq(&phba
->hbalock
);
10277 spin_unlock_irq(&phba
->hbalock
);
10278 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10279 "0402 Cannot find virtual addr for buffer tag on "
10280 "ring %d Data x%lx x%p x%p x%x\n",
10281 pring
->ringno
, (unsigned long) tag
,
10282 slp
->next
, slp
->prev
, pring
->postbufq_cnt
);
10288 * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events
10289 * @phba: Pointer to HBA context object.
10290 * @pring: Pointer to driver SLI ring object.
10291 * @phys: DMA address of the buffer.
10293 * This function searches the buffer list using the dma_address
10294 * of unsolicited event to find the driver's lpfc_dmabuf object
10295 * corresponding to the dma_address. The function returns the
10296 * lpfc_dmabuf object if a buffer is found else it returns NULL.
10297 * This function is called by the ct and els unsolicited event
10298 * handlers to get the buffer associated with the unsolicited
10301 * This function is called with no lock held.
10303 struct lpfc_dmabuf
*
10304 lpfc_sli_ringpostbuf_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
10307 struct lpfc_dmabuf
*mp
, *next_mp
;
10308 struct list_head
*slp
= &pring
->postbufq
;
10310 /* Search postbufq, from the beginning, looking for a match on phys */
10311 spin_lock_irq(&phba
->hbalock
);
10312 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
10313 if (mp
->phys
== phys
) {
10314 list_del_init(&mp
->list
);
10315 pring
->postbufq_cnt
--;
10316 spin_unlock_irq(&phba
->hbalock
);
10321 spin_unlock_irq(&phba
->hbalock
);
10322 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10323 "0410 Cannot find virtual addr for mapped buf on "
10324 "ring %d Data x%llx x%p x%p x%x\n",
10325 pring
->ringno
, (unsigned long long)phys
,
10326 slp
->next
, slp
->prev
, pring
->postbufq_cnt
);
10331 * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs
10332 * @phba: Pointer to HBA context object.
10333 * @cmdiocb: Pointer to driver command iocb object.
10334 * @rspiocb: Pointer to driver response iocb object.
10336 * This function is the completion handler for the abort iocbs for
10337 * ELS commands. This function is called from the ELS ring event
10338 * handler with no lock held. This function frees memory resources
10339 * associated with the abort iocb.
10342 lpfc_sli_abort_els_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
10343 struct lpfc_iocbq
*rspiocb
)
10345 IOCB_t
*irsp
= &rspiocb
->iocb
;
10346 uint16_t abort_iotag
, abort_context
;
10347 struct lpfc_iocbq
*abort_iocb
= NULL
;
10349 if (irsp
->ulpStatus
) {
10352 * Assume that the port already completed and returned, or
10353 * will return the iocb. Just Log the message.
10355 abort_context
= cmdiocb
->iocb
.un
.acxri
.abortContextTag
;
10356 abort_iotag
= cmdiocb
->iocb
.un
.acxri
.abortIoTag
;
10358 spin_lock_irq(&phba
->hbalock
);
10359 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
10360 if (abort_iotag
!= 0 &&
10361 abort_iotag
<= phba
->sli
.last_iotag
)
10363 phba
->sli
.iocbq_lookup
[abort_iotag
];
10365 /* For sli4 the abort_tag is the XRI,
10366 * so the abort routine puts the iotag of the iocb
10367 * being aborted in the context field of the abort
10370 abort_iocb
= phba
->sli
.iocbq_lookup
[abort_context
];
10372 lpfc_printf_log(phba
, KERN_WARNING
, LOG_ELS
| LOG_SLI
,
10373 "0327 Cannot abort els iocb %p "
10374 "with tag %x context %x, abort status %x, "
10376 abort_iocb
, abort_iotag
, abort_context
,
10377 irsp
->ulpStatus
, irsp
->un
.ulpWord
[4]);
10379 spin_unlock_irq(&phba
->hbalock
);
10381 lpfc_sli_release_iocbq(phba
, cmdiocb
);
10386 * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command
10387 * @phba: Pointer to HBA context object.
10388 * @cmdiocb: Pointer to driver command iocb object.
10389 * @rspiocb: Pointer to driver response iocb object.
10391 * The function is called from SLI ring event handler with no
10392 * lock held. This function is the completion handler for ELS commands
10393 * which are aborted. The function frees memory resources used for
10394 * the aborted ELS commands.
10397 lpfc_ignore_els_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
10398 struct lpfc_iocbq
*rspiocb
)
10400 IOCB_t
*irsp
= &rspiocb
->iocb
;
10402 /* ELS cmd tag <ulpIoTag> completes */
10403 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
10404 "0139 Ignoring ELS cmd tag x%x completion Data: "
10406 irsp
->ulpIoTag
, irsp
->ulpStatus
,
10407 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
);
10408 if (cmdiocb
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
)
10409 lpfc_ct_free_iocb(phba
, cmdiocb
);
10411 lpfc_els_free_iocb(phba
, cmdiocb
);
10416 * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb
10417 * @phba: Pointer to HBA context object.
10418 * @pring: Pointer to driver SLI ring object.
10419 * @cmdiocb: Pointer to driver command iocb object.
10421 * This function issues an abort iocb for the provided command iocb down to
10422 * the port. Other than the case the outstanding command iocb is an abort
10423 * request, this function issues abort out unconditionally. This function is
10424 * called with hbalock held. The function returns 0 when it fails due to
10425 * memory allocation failure or when the command iocb is an abort request.
10428 lpfc_sli_abort_iotag_issue(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
10429 struct lpfc_iocbq
*cmdiocb
)
10431 struct lpfc_vport
*vport
= cmdiocb
->vport
;
10432 struct lpfc_iocbq
*abtsiocbp
;
10433 IOCB_t
*icmd
= NULL
;
10434 IOCB_t
*iabt
= NULL
;
10436 unsigned long iflags
;
10438 lockdep_assert_held(&phba
->hbalock
);
10441 * There are certain command types we don't want to abort. And we
10442 * don't want to abort commands that are already in the process of
10445 icmd
= &cmdiocb
->iocb
;
10446 if (icmd
->ulpCommand
== CMD_ABORT_XRI_CN
||
10447 icmd
->ulpCommand
== CMD_CLOSE_XRI_CN
||
10448 (cmdiocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) != 0)
10451 /* issue ABTS for this IOCB based on iotag */
10452 abtsiocbp
= __lpfc_sli_get_iocbq(phba
);
10453 if (abtsiocbp
== NULL
)
10456 /* This signals the response to set the correct status
10457 * before calling the completion handler
10459 cmdiocb
->iocb_flag
|= LPFC_DRIVER_ABORTED
;
10461 iabt
= &abtsiocbp
->iocb
;
10462 iabt
->un
.acxri
.abortType
= ABORT_TYPE_ABTS
;
10463 iabt
->un
.acxri
.abortContextTag
= icmd
->ulpContext
;
10464 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
10465 iabt
->un
.acxri
.abortIoTag
= cmdiocb
->sli4_xritag
;
10466 iabt
->un
.acxri
.abortContextTag
= cmdiocb
->iotag
;
10469 iabt
->un
.acxri
.abortIoTag
= icmd
->ulpIoTag
;
10471 iabt
->ulpClass
= icmd
->ulpClass
;
10473 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
10474 abtsiocbp
->hba_wqidx
= cmdiocb
->hba_wqidx
;
10475 if (cmdiocb
->iocb_flag
& LPFC_IO_FCP
)
10476 abtsiocbp
->iocb_flag
|= LPFC_USE_FCPWQIDX
;
10477 if (cmdiocb
->iocb_flag
& LPFC_IO_FOF
)
10478 abtsiocbp
->iocb_flag
|= LPFC_IO_FOF
;
10480 if (phba
->link_state
>= LPFC_LINK_UP
)
10481 iabt
->ulpCommand
= CMD_ABORT_XRI_CN
;
10483 iabt
->ulpCommand
= CMD_CLOSE_XRI_CN
;
10485 abtsiocbp
->iocb_cmpl
= lpfc_sli_abort_els_cmpl
;
10486 abtsiocbp
->vport
= vport
;
10488 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
10489 "0339 Abort xri x%x, original iotag x%x, "
10490 "abort cmd iotag x%x\n",
10491 iabt
->un
.acxri
.abortIoTag
,
10492 iabt
->un
.acxri
.abortContextTag
,
10495 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
10496 pring
= lpfc_sli4_calc_ring(phba
, abtsiocbp
);
10497 if (unlikely(pring
== NULL
))
10499 /* Note: both hbalock and ring_lock need to be set here */
10500 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
10501 retval
= __lpfc_sli_issue_iocb(phba
, pring
->ringno
,
10503 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
10505 retval
= __lpfc_sli_issue_iocb(phba
, pring
->ringno
,
10510 __lpfc_sli_release_iocbq(phba
, abtsiocbp
);
10513 * Caller to this routine should check for IOCB_ERROR
10514 * and handle it properly. This routine no longer removes
10515 * iocb off txcmplq and call compl in case of IOCB_ERROR.
10521 * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
10522 * @phba: Pointer to HBA context object.
10523 * @pring: Pointer to driver SLI ring object.
10524 * @cmdiocb: Pointer to driver command iocb object.
10526 * This function issues an abort iocb for the provided command iocb. In case
10527 * of unloading, the abort iocb will not be issued to commands on the ELS
10528 * ring. Instead, the callback function shall be changed to those commands
10529 * so that nothing happens when them finishes. This function is called with
10530 * hbalock held. The function returns 0 when the command iocb is an abort
10534 lpfc_sli_issue_abort_iotag(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
10535 struct lpfc_iocbq
*cmdiocb
)
10537 struct lpfc_vport
*vport
= cmdiocb
->vport
;
10538 int retval
= IOCB_ERROR
;
10539 IOCB_t
*icmd
= NULL
;
10541 lockdep_assert_held(&phba
->hbalock
);
10544 * There are certain command types we don't want to abort. And we
10545 * don't want to abort commands that are already in the process of
10548 icmd
= &cmdiocb
->iocb
;
10549 if (icmd
->ulpCommand
== CMD_ABORT_XRI_CN
||
10550 icmd
->ulpCommand
== CMD_CLOSE_XRI_CN
||
10551 (cmdiocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) != 0)
10555 * If we're unloading, don't abort iocb on the ELS ring, but change
10556 * the callback so that nothing happens when it finishes.
10558 if ((vport
->load_flag
& FC_UNLOADING
) &&
10559 (pring
->ringno
== LPFC_ELS_RING
)) {
10560 if (cmdiocb
->iocb_flag
& LPFC_IO_FABRIC
)
10561 cmdiocb
->fabric_iocb_cmpl
= lpfc_ignore_els_cmpl
;
10563 cmdiocb
->iocb_cmpl
= lpfc_ignore_els_cmpl
;
10564 goto abort_iotag_exit
;
10567 /* Now, we try to issue the abort to the cmdiocb out */
10568 retval
= lpfc_sli_abort_iotag_issue(phba
, pring
, cmdiocb
);
10572 * Caller to this routine should check for IOCB_ERROR
10573 * and handle it properly. This routine no longer removes
10574 * iocb off txcmplq and call compl in case of IOCB_ERROR.
10580 * lpfc_sli4_abort_nvme_io - Issue abort for a command iocb
10581 * @phba: Pointer to HBA context object.
10582 * @pring: Pointer to driver SLI ring object.
10583 * @cmdiocb: Pointer to driver command iocb object.
10585 * This function issues an abort iocb for the provided command iocb down to
10586 * the port. Other than the case the outstanding command iocb is an abort
10587 * request, this function issues abort out unconditionally. This function is
10588 * called with hbalock held. The function returns 0 when it fails due to
10589 * memory allocation failure or when the command iocb is an abort request.
10592 lpfc_sli4_abort_nvme_io(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
10593 struct lpfc_iocbq
*cmdiocb
)
10595 struct lpfc_vport
*vport
= cmdiocb
->vport
;
10596 struct lpfc_iocbq
*abtsiocbp
;
10597 union lpfc_wqe
*abts_wqe
;
10601 * There are certain command types we don't want to abort. And we
10602 * don't want to abort commands that are already in the process of
10605 if (cmdiocb
->iocb
.ulpCommand
== CMD_ABORT_XRI_CN
||
10606 cmdiocb
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
||
10607 (cmdiocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) != 0)
10610 /* issue ABTS for this io based on iotag */
10611 abtsiocbp
= __lpfc_sli_get_iocbq(phba
);
10612 if (abtsiocbp
== NULL
)
10615 /* This signals the response to set the correct status
10616 * before calling the completion handler
10618 cmdiocb
->iocb_flag
|= LPFC_DRIVER_ABORTED
;
10620 /* Complete prepping the abort wqe and issue to the FW. */
10621 abts_wqe
= &abtsiocbp
->wqe
;
10622 bf_set(abort_cmd_ia
, &abts_wqe
->abort_cmd
, 0);
10623 bf_set(abort_cmd_criteria
, &abts_wqe
->abort_cmd
, T_XRI_TAG
);
10625 /* Explicitly set reserved fields to zero.*/
10626 abts_wqe
->abort_cmd
.rsrvd4
= 0;
10627 abts_wqe
->abort_cmd
.rsrvd5
= 0;
10629 /* WQE Common - word 6. Context is XRI tag. Set 0. */
10630 bf_set(wqe_xri_tag
, &abts_wqe
->abort_cmd
.wqe_com
, 0);
10631 bf_set(wqe_ctxt_tag
, &abts_wqe
->abort_cmd
.wqe_com
, 0);
10634 bf_set(wqe_ct
, &abts_wqe
->abort_cmd
.wqe_com
, 0);
10635 bf_set(wqe_cmnd
, &abts_wqe
->abort_cmd
.wqe_com
, CMD_ABORT_XRI_CX
);
10636 bf_set(wqe_class
, &abts_wqe
->abort_cmd
.wqe_com
,
10637 cmdiocb
->iocb
.ulpClass
);
10639 /* word 8 - tell the FW to abort the IO associated with this
10640 * outstanding exchange ID.
10642 abts_wqe
->abort_cmd
.wqe_com
.abort_tag
= cmdiocb
->sli4_xritag
;
10644 /* word 9 - this is the iotag for the abts_wqe completion. */
10645 bf_set(wqe_reqtag
, &abts_wqe
->abort_cmd
.wqe_com
,
10649 bf_set(wqe_wqid
, &abts_wqe
->abort_cmd
.wqe_com
, cmdiocb
->hba_wqidx
);
10650 bf_set(wqe_qosd
, &abts_wqe
->abort_cmd
.wqe_com
, 1);
10651 bf_set(wqe_lenloc
, &abts_wqe
->abort_cmd
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
10654 bf_set(wqe_cmd_type
, &abts_wqe
->abort_cmd
.wqe_com
, OTHER_COMMAND
);
10655 bf_set(wqe_wqec
, &abts_wqe
->abort_cmd
.wqe_com
, 1);
10656 bf_set(wqe_cqid
, &abts_wqe
->abort_cmd
.wqe_com
, LPFC_WQE_CQ_ID_DEFAULT
);
10658 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
10659 abtsiocbp
->iocb_flag
|= LPFC_IO_NVME
;
10660 abtsiocbp
->vport
= vport
;
10661 abtsiocbp
->wqe_cmpl
= lpfc_nvme_abort_fcreq_cmpl
;
10662 retval
= lpfc_sli4_issue_wqe(phba
, LPFC_FCP_RING
, abtsiocbp
);
10663 if (retval
== IOCB_ERROR
) {
10664 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NVME
,
10665 "6147 Failed abts issue_wqe with status x%x "
10667 retval
, cmdiocb
->sli4_xritag
);
10668 lpfc_sli_release_iocbq(phba
, abtsiocbp
);
10672 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_NVME
,
10673 "6148 Drv Abort NVME Request Issued for "
10674 "ox_id x%x on reqtag x%x\n",
10675 cmdiocb
->sli4_xritag
,
10682 * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba.
10683 * @phba: pointer to lpfc HBA data structure.
10685 * This routine will abort all pending and outstanding iocbs to an HBA.
10688 lpfc_sli_hba_iocb_abort(struct lpfc_hba
*phba
)
10690 struct lpfc_sli
*psli
= &phba
->sli
;
10691 struct lpfc_sli_ring
*pring
;
10692 struct lpfc_queue
*qp
= NULL
;
10695 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
10696 for (i
= 0; i
< psli
->num_rings
; i
++) {
10697 pring
= &psli
->sli3_ring
[i
];
10698 lpfc_sli_abort_iocb_ring(phba
, pring
);
10702 list_for_each_entry(qp
, &phba
->sli4_hba
.lpfc_wq_list
, wq_list
) {
10706 lpfc_sli_abort_iocb_ring(phba
, pring
);
10711 * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN
10712 * @iocbq: Pointer to driver iocb object.
10713 * @vport: Pointer to driver virtual port object.
10714 * @tgt_id: SCSI ID of the target.
10715 * @lun_id: LUN ID of the scsi device.
10716 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST
10718 * This function acts as an iocb filter for functions which abort or count
10719 * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return
10720 * 0 if the filtering criteria is met for the given iocb and will return
10721 * 1 if the filtering criteria is not met.
10722 * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the
10723 * given iocb is for the SCSI device specified by vport, tgt_id and
10724 * lun_id parameter.
10725 * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the
10726 * given iocb is for the SCSI target specified by vport and tgt_id
10728 * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the
10729 * given iocb is for the SCSI host associated with the given vport.
10730 * This function is called with no locks held.
10733 lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq
*iocbq
, struct lpfc_vport
*vport
,
10734 uint16_t tgt_id
, uint64_t lun_id
,
10735 lpfc_ctx_cmd ctx_cmd
)
10737 struct lpfc_scsi_buf
*lpfc_cmd
;
10740 if (!(iocbq
->iocb_flag
& LPFC_IO_FCP
))
10743 if (iocbq
->vport
!= vport
)
10746 lpfc_cmd
= container_of(iocbq
, struct lpfc_scsi_buf
, cur_iocbq
);
10748 if (lpfc_cmd
->pCmd
== NULL
)
10753 if ((lpfc_cmd
->rdata
->pnode
) &&
10754 (lpfc_cmd
->rdata
->pnode
->nlp_sid
== tgt_id
) &&
10755 (scsilun_to_int(&lpfc_cmd
->fcp_cmnd
->fcp_lun
) == lun_id
))
10759 if ((lpfc_cmd
->rdata
->pnode
) &&
10760 (lpfc_cmd
->rdata
->pnode
->nlp_sid
== tgt_id
))
10763 case LPFC_CTX_HOST
:
10767 printk(KERN_ERR
"%s: Unknown context cmd type, value %d\n",
10768 __func__
, ctx_cmd
);
10776 * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending
10777 * @vport: Pointer to virtual port.
10778 * @tgt_id: SCSI ID of the target.
10779 * @lun_id: LUN ID of the scsi device.
10780 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
10782 * This function returns number of FCP commands pending for the vport.
10783 * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP
10784 * commands pending on the vport associated with SCSI device specified
10785 * by tgt_id and lun_id parameters.
10786 * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP
10787 * commands pending on the vport associated with SCSI target specified
10788 * by tgt_id parameter.
10789 * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP
10790 * commands pending on the vport.
10791 * This function returns the number of iocbs which satisfy the filter.
10792 * This function is called without any lock held.
10795 lpfc_sli_sum_iocb(struct lpfc_vport
*vport
, uint16_t tgt_id
, uint64_t lun_id
,
10796 lpfc_ctx_cmd ctx_cmd
)
10798 struct lpfc_hba
*phba
= vport
->phba
;
10799 struct lpfc_iocbq
*iocbq
;
10802 spin_lock_irq(&phba
->hbalock
);
10803 for (i
= 1, sum
= 0; i
<= phba
->sli
.last_iotag
; i
++) {
10804 iocbq
= phba
->sli
.iocbq_lookup
[i
];
10806 if (lpfc_sli_validate_fcp_iocb (iocbq
, vport
, tgt_id
, lun_id
,
10810 spin_unlock_irq(&phba
->hbalock
);
10816 * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs
10817 * @phba: Pointer to HBA context object
10818 * @cmdiocb: Pointer to command iocb object.
10819 * @rspiocb: Pointer to response iocb object.
10821 * This function is called when an aborted FCP iocb completes. This
10822 * function is called by the ring event handler with no lock held.
10823 * This function frees the iocb.
10826 lpfc_sli_abort_fcp_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
10827 struct lpfc_iocbq
*rspiocb
)
10829 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
10830 "3096 ABORT_XRI_CN completing on rpi x%x "
10831 "original iotag x%x, abort cmd iotag x%x "
10832 "status 0x%x, reason 0x%x\n",
10833 cmdiocb
->iocb
.un
.acxri
.abortContextTag
,
10834 cmdiocb
->iocb
.un
.acxri
.abortIoTag
,
10835 cmdiocb
->iotag
, rspiocb
->iocb
.ulpStatus
,
10836 rspiocb
->iocb
.un
.ulpWord
[4]);
10837 lpfc_sli_release_iocbq(phba
, cmdiocb
);
10842 * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN
10843 * @vport: Pointer to virtual port.
10844 * @pring: Pointer to driver SLI ring object.
10845 * @tgt_id: SCSI ID of the target.
10846 * @lun_id: LUN ID of the scsi device.
10847 * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
10849 * This function sends an abort command for every SCSI command
10850 * associated with the given virtual port pending on the ring
10851 * filtered by lpfc_sli_validate_fcp_iocb function.
10852 * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the
10853 * FCP iocbs associated with lun specified by tgt_id and lun_id
10855 * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the
10856 * FCP iocbs associated with SCSI target specified by tgt_id parameter.
10857 * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all
10858 * FCP iocbs associated with virtual port.
10859 * This function returns number of iocbs it failed to abort.
10860 * This function is called with no locks held.
10863 lpfc_sli_abort_iocb(struct lpfc_vport
*vport
, struct lpfc_sli_ring
*pring
,
10864 uint16_t tgt_id
, uint64_t lun_id
, lpfc_ctx_cmd abort_cmd
)
10866 struct lpfc_hba
*phba
= vport
->phba
;
10867 struct lpfc_iocbq
*iocbq
;
10868 struct lpfc_iocbq
*abtsiocb
;
10869 IOCB_t
*cmd
= NULL
;
10870 int errcnt
= 0, ret_val
= 0;
10873 for (i
= 1; i
<= phba
->sli
.last_iotag
; i
++) {
10874 iocbq
= phba
->sli
.iocbq_lookup
[i
];
10876 if (lpfc_sli_validate_fcp_iocb(iocbq
, vport
, tgt_id
, lun_id
,
10881 * If the iocbq is already being aborted, don't take a second
10882 * action, but do count it.
10884 if (iocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
)
10887 /* issue ABTS for this IOCB based on iotag */
10888 abtsiocb
= lpfc_sli_get_iocbq(phba
);
10889 if (abtsiocb
== NULL
) {
10894 /* indicate the IO is being aborted by the driver. */
10895 iocbq
->iocb_flag
|= LPFC_DRIVER_ABORTED
;
10897 cmd
= &iocbq
->iocb
;
10898 abtsiocb
->iocb
.un
.acxri
.abortType
= ABORT_TYPE_ABTS
;
10899 abtsiocb
->iocb
.un
.acxri
.abortContextTag
= cmd
->ulpContext
;
10900 if (phba
->sli_rev
== LPFC_SLI_REV4
)
10901 abtsiocb
->iocb
.un
.acxri
.abortIoTag
= iocbq
->sli4_xritag
;
10903 abtsiocb
->iocb
.un
.acxri
.abortIoTag
= cmd
->ulpIoTag
;
10904 abtsiocb
->iocb
.ulpLe
= 1;
10905 abtsiocb
->iocb
.ulpClass
= cmd
->ulpClass
;
10906 abtsiocb
->vport
= vport
;
10908 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
10909 abtsiocb
->hba_wqidx
= iocbq
->hba_wqidx
;
10910 if (iocbq
->iocb_flag
& LPFC_IO_FCP
)
10911 abtsiocb
->iocb_flag
|= LPFC_USE_FCPWQIDX
;
10912 if (iocbq
->iocb_flag
& LPFC_IO_FOF
)
10913 abtsiocb
->iocb_flag
|= LPFC_IO_FOF
;
10915 if (lpfc_is_link_up(phba
))
10916 abtsiocb
->iocb
.ulpCommand
= CMD_ABORT_XRI_CN
;
10918 abtsiocb
->iocb
.ulpCommand
= CMD_CLOSE_XRI_CN
;
10920 /* Setup callback routine and issue the command. */
10921 abtsiocb
->iocb_cmpl
= lpfc_sli_abort_fcp_cmpl
;
10922 ret_val
= lpfc_sli_issue_iocb(phba
, pring
->ringno
,
10924 if (ret_val
== IOCB_ERROR
) {
10925 lpfc_sli_release_iocbq(phba
, abtsiocb
);
10935 * lpfc_sli_abort_taskmgmt - issue abort for all commands on a host/target/LUN
10936 * @vport: Pointer to virtual port.
10937 * @pring: Pointer to driver SLI ring object.
10938 * @tgt_id: SCSI ID of the target.
10939 * @lun_id: LUN ID of the scsi device.
10940 * @taskmgmt_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
10942 * This function sends an abort command for every SCSI command
10943 * associated with the given virtual port pending on the ring
10944 * filtered by lpfc_sli_validate_fcp_iocb function.
10945 * When taskmgmt_cmd == LPFC_CTX_LUN, the function sends abort only to the
10946 * FCP iocbs associated with lun specified by tgt_id and lun_id
10948 * When taskmgmt_cmd == LPFC_CTX_TGT, the function sends abort only to the
10949 * FCP iocbs associated with SCSI target specified by tgt_id parameter.
10950 * When taskmgmt_cmd == LPFC_CTX_HOST, the function sends abort to all
10951 * FCP iocbs associated with virtual port.
10952 * This function returns number of iocbs it aborted .
10953 * This function is called with no locks held right after a taskmgmt
10957 lpfc_sli_abort_taskmgmt(struct lpfc_vport
*vport
, struct lpfc_sli_ring
*pring
,
10958 uint16_t tgt_id
, uint64_t lun_id
, lpfc_ctx_cmd cmd
)
10960 struct lpfc_hba
*phba
= vport
->phba
;
10961 struct lpfc_scsi_buf
*lpfc_cmd
;
10962 struct lpfc_iocbq
*abtsiocbq
;
10963 struct lpfc_nodelist
*ndlp
;
10964 struct lpfc_iocbq
*iocbq
;
10966 int sum
, i
, ret_val
;
10967 unsigned long iflags
;
10968 struct lpfc_sli_ring
*pring_s4
;
10970 spin_lock_irq(&phba
->hbalock
);
10972 /* all I/Os are in process of being flushed */
10973 if (phba
->hba_flag
& HBA_FCP_IOQ_FLUSH
) {
10974 spin_unlock_irq(&phba
->hbalock
);
10979 for (i
= 1; i
<= phba
->sli
.last_iotag
; i
++) {
10980 iocbq
= phba
->sli
.iocbq_lookup
[i
];
10982 if (lpfc_sli_validate_fcp_iocb(iocbq
, vport
, tgt_id
, lun_id
,
10987 * If the iocbq is already being aborted, don't take a second
10988 * action, but do count it.
10990 if (iocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
)
10993 /* issue ABTS for this IOCB based on iotag */
10994 abtsiocbq
= __lpfc_sli_get_iocbq(phba
);
10995 if (abtsiocbq
== NULL
)
10998 icmd
= &iocbq
->iocb
;
10999 abtsiocbq
->iocb
.un
.acxri
.abortType
= ABORT_TYPE_ABTS
;
11000 abtsiocbq
->iocb
.un
.acxri
.abortContextTag
= icmd
->ulpContext
;
11001 if (phba
->sli_rev
== LPFC_SLI_REV4
)
11002 abtsiocbq
->iocb
.un
.acxri
.abortIoTag
=
11003 iocbq
->sli4_xritag
;
11005 abtsiocbq
->iocb
.un
.acxri
.abortIoTag
= icmd
->ulpIoTag
;
11006 abtsiocbq
->iocb
.ulpLe
= 1;
11007 abtsiocbq
->iocb
.ulpClass
= icmd
->ulpClass
;
11008 abtsiocbq
->vport
= vport
;
11010 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
11011 abtsiocbq
->hba_wqidx
= iocbq
->hba_wqidx
;
11012 if (iocbq
->iocb_flag
& LPFC_IO_FCP
)
11013 abtsiocbq
->iocb_flag
|= LPFC_USE_FCPWQIDX
;
11014 if (iocbq
->iocb_flag
& LPFC_IO_FOF
)
11015 abtsiocbq
->iocb_flag
|= LPFC_IO_FOF
;
11017 lpfc_cmd
= container_of(iocbq
, struct lpfc_scsi_buf
, cur_iocbq
);
11018 ndlp
= lpfc_cmd
->rdata
->pnode
;
11020 if (lpfc_is_link_up(phba
) &&
11021 (ndlp
&& ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
))
11022 abtsiocbq
->iocb
.ulpCommand
= CMD_ABORT_XRI_CN
;
11024 abtsiocbq
->iocb
.ulpCommand
= CMD_CLOSE_XRI_CN
;
11026 /* Setup callback routine and issue the command. */
11027 abtsiocbq
->iocb_cmpl
= lpfc_sli_abort_fcp_cmpl
;
11030 * Indicate the IO is being aborted by the driver and set
11031 * the caller's flag into the aborted IO.
11033 iocbq
->iocb_flag
|= LPFC_DRIVER_ABORTED
;
11035 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
11036 pring_s4
= lpfc_sli4_calc_ring(phba
, iocbq
);
11037 if (pring_s4
== NULL
)
11039 /* Note: both hbalock and ring_lock must be set here */
11040 spin_lock_irqsave(&pring_s4
->ring_lock
, iflags
);
11041 ret_val
= __lpfc_sli_issue_iocb(phba
, pring_s4
->ringno
,
11043 spin_unlock_irqrestore(&pring_s4
->ring_lock
, iflags
);
11045 ret_val
= __lpfc_sli_issue_iocb(phba
, pring
->ringno
,
11050 if (ret_val
== IOCB_ERROR
)
11051 __lpfc_sli_release_iocbq(phba
, abtsiocbq
);
11055 spin_unlock_irq(&phba
->hbalock
);
11060 * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler
11061 * @phba: Pointer to HBA context object.
11062 * @cmdiocbq: Pointer to command iocb.
11063 * @rspiocbq: Pointer to response iocb.
11065 * This function is the completion handler for iocbs issued using
11066 * lpfc_sli_issue_iocb_wait function. This function is called by the
11067 * ring event handler function without any lock held. This function
11068 * can be called from both worker thread context and interrupt
11069 * context. This function also can be called from other thread which
11070 * cleans up the SLI layer objects.
11071 * This function copy the contents of the response iocb to the
11072 * response iocb memory object provided by the caller of
11073 * lpfc_sli_issue_iocb_wait and then wakes up the thread which
11074 * sleeps for the iocb completion.
11077 lpfc_sli_wake_iocb_wait(struct lpfc_hba
*phba
,
11078 struct lpfc_iocbq
*cmdiocbq
,
11079 struct lpfc_iocbq
*rspiocbq
)
11081 wait_queue_head_t
*pdone_q
;
11082 unsigned long iflags
;
11083 struct lpfc_scsi_buf
*lpfc_cmd
;
11085 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11086 if (cmdiocbq
->iocb_flag
& LPFC_IO_WAKE_TMO
) {
11089 * A time out has occurred for the iocb. If a time out
11090 * completion handler has been supplied, call it. Otherwise,
11091 * just free the iocbq.
11094 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11095 cmdiocbq
->iocb_cmpl
= cmdiocbq
->wait_iocb_cmpl
;
11096 cmdiocbq
->wait_iocb_cmpl
= NULL
;
11097 if (cmdiocbq
->iocb_cmpl
)
11098 (cmdiocbq
->iocb_cmpl
)(phba
, cmdiocbq
, NULL
);
11100 lpfc_sli_release_iocbq(phba
, cmdiocbq
);
11104 cmdiocbq
->iocb_flag
|= LPFC_IO_WAKE
;
11105 if (cmdiocbq
->context2
&& rspiocbq
)
11106 memcpy(&((struct lpfc_iocbq
*)cmdiocbq
->context2
)->iocb
,
11107 &rspiocbq
->iocb
, sizeof(IOCB_t
));
11109 /* Set the exchange busy flag for task management commands */
11110 if ((cmdiocbq
->iocb_flag
& LPFC_IO_FCP
) &&
11111 !(cmdiocbq
->iocb_flag
& LPFC_IO_LIBDFC
)) {
11112 lpfc_cmd
= container_of(cmdiocbq
, struct lpfc_scsi_buf
,
11114 lpfc_cmd
->exch_busy
= rspiocbq
->iocb_flag
& LPFC_EXCHANGE_BUSY
;
11117 pdone_q
= cmdiocbq
->context_un
.wait_queue
;
11120 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11125 * lpfc_chk_iocb_flg - Test IOCB flag with lock held.
11126 * @phba: Pointer to HBA context object..
11127 * @piocbq: Pointer to command iocb.
11128 * @flag: Flag to test.
11130 * This routine grabs the hbalock and then test the iocb_flag to
11131 * see if the passed in flag is set.
11133 * 1 if flag is set.
11134 * 0 if flag is not set.
11137 lpfc_chk_iocb_flg(struct lpfc_hba
*phba
,
11138 struct lpfc_iocbq
*piocbq
, uint32_t flag
)
11140 unsigned long iflags
;
11143 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11144 ret
= piocbq
->iocb_flag
& flag
;
11145 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11151 * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands
11152 * @phba: Pointer to HBA context object..
11153 * @pring: Pointer to sli ring.
11154 * @piocb: Pointer to command iocb.
11155 * @prspiocbq: Pointer to response iocb.
11156 * @timeout: Timeout in number of seconds.
11158 * This function issues the iocb to firmware and waits for the
11159 * iocb to complete. The iocb_cmpl field of the shall be used
11160 * to handle iocbs which time out. If the field is NULL, the
11161 * function shall free the iocbq structure. If more clean up is
11162 * needed, the caller is expected to provide a completion function
11163 * that will provide the needed clean up. If the iocb command is
11164 * not completed within timeout seconds, the function will either
11165 * free the iocbq structure (if iocb_cmpl == NULL) or execute the
11166 * completion function set in the iocb_cmpl field and then return
11167 * a status of IOCB_TIMEDOUT. The caller should not free the iocb
11168 * resources if this function returns IOCB_TIMEDOUT.
11169 * The function waits for the iocb completion using an
11170 * non-interruptible wait.
11171 * This function will sleep while waiting for iocb completion.
11172 * So, this function should not be called from any context which
11173 * does not allow sleeping. Due to the same reason, this function
11174 * cannot be called with interrupt disabled.
11175 * This function assumes that the iocb completions occur while
11176 * this function sleep. So, this function cannot be called from
11177 * the thread which process iocb completion for this ring.
11178 * This function clears the iocb_flag of the iocb object before
11179 * issuing the iocb and the iocb completion handler sets this
11180 * flag and wakes this thread when the iocb completes.
11181 * The contents of the response iocb will be copied to prspiocbq
11182 * by the completion handler when the command completes.
11183 * This function returns IOCB_SUCCESS when success.
11184 * This function is called with no lock held.
11187 lpfc_sli_issue_iocb_wait(struct lpfc_hba
*phba
,
11188 uint32_t ring_number
,
11189 struct lpfc_iocbq
*piocb
,
11190 struct lpfc_iocbq
*prspiocbq
,
11193 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q
);
11194 long timeleft
, timeout_req
= 0;
11195 int retval
= IOCB_SUCCESS
;
11197 struct lpfc_iocbq
*iocb
;
11199 int txcmplq_cnt
= 0;
11200 struct lpfc_sli_ring
*pring
;
11201 unsigned long iflags
;
11202 bool iocb_completed
= true;
11204 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
11205 pring
= lpfc_sli4_calc_ring(phba
, piocb
);
11207 pring
= &phba
->sli
.sli3_ring
[ring_number
];
11209 * If the caller has provided a response iocbq buffer, then context2
11210 * is NULL or its an error.
11213 if (piocb
->context2
)
11215 piocb
->context2
= prspiocbq
;
11218 piocb
->wait_iocb_cmpl
= piocb
->iocb_cmpl
;
11219 piocb
->iocb_cmpl
= lpfc_sli_wake_iocb_wait
;
11220 piocb
->context_un
.wait_queue
= &done_q
;
11221 piocb
->iocb_flag
&= ~(LPFC_IO_WAKE
| LPFC_IO_WAKE_TMO
);
11223 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
11224 if (lpfc_readl(phba
->HCregaddr
, &creg_val
))
11226 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
11227 writel(creg_val
, phba
->HCregaddr
);
11228 readl(phba
->HCregaddr
); /* flush */
11231 retval
= lpfc_sli_issue_iocb(phba
, ring_number
, piocb
,
11232 SLI_IOCB_RET_IOCB
);
11233 if (retval
== IOCB_SUCCESS
) {
11234 timeout_req
= msecs_to_jiffies(timeout
* 1000);
11235 timeleft
= wait_event_timeout(done_q
,
11236 lpfc_chk_iocb_flg(phba
, piocb
, LPFC_IO_WAKE
),
11238 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11239 if (!(piocb
->iocb_flag
& LPFC_IO_WAKE
)) {
11242 * IOCB timed out. Inform the wake iocb wait
11243 * completion function and set local status
11246 iocb_completed
= false;
11247 piocb
->iocb_flag
|= LPFC_IO_WAKE_TMO
;
11249 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11250 if (iocb_completed
) {
11251 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
11252 "0331 IOCB wake signaled\n");
11253 /* Note: we are not indicating if the IOCB has a success
11254 * status or not - that's for the caller to check.
11255 * IOCB_SUCCESS means just that the command was sent and
11256 * completed. Not that it completed successfully.
11258 } else if (timeleft
== 0) {
11259 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11260 "0338 IOCB wait timeout error - no "
11261 "wake response Data x%x\n", timeout
);
11262 retval
= IOCB_TIMEDOUT
;
11264 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11265 "0330 IOCB wake NOT set, "
11267 timeout
, (timeleft
/ jiffies
));
11268 retval
= IOCB_TIMEDOUT
;
11270 } else if (retval
== IOCB_BUSY
) {
11271 if (phba
->cfg_log_verbose
& LOG_SLI
) {
11272 list_for_each_entry(iocb
, &pring
->txq
, list
) {
11275 list_for_each_entry(iocb
, &pring
->txcmplq
, list
) {
11278 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
11279 "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n",
11280 phba
->iocb_cnt
, txq_cnt
, txcmplq_cnt
);
11284 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
11285 "0332 IOCB wait issue failed, Data x%x\n",
11287 retval
= IOCB_ERROR
;
11290 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
11291 if (lpfc_readl(phba
->HCregaddr
, &creg_val
))
11293 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
11294 writel(creg_val
, phba
->HCregaddr
);
11295 readl(phba
->HCregaddr
); /* flush */
11299 piocb
->context2
= NULL
;
11301 piocb
->context_un
.wait_queue
= NULL
;
11302 piocb
->iocb_cmpl
= NULL
;
11307 * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox
11308 * @phba: Pointer to HBA context object.
11309 * @pmboxq: Pointer to driver mailbox object.
11310 * @timeout: Timeout in number of seconds.
11312 * This function issues the mailbox to firmware and waits for the
11313 * mailbox command to complete. If the mailbox command is not
11314 * completed within timeout seconds, it returns MBX_TIMEOUT.
11315 * The function waits for the mailbox completion using an
11316 * interruptible wait. If the thread is woken up due to a
11317 * signal, MBX_TIMEOUT error is returned to the caller. Caller
11318 * should not free the mailbox resources, if this function returns
11320 * This function will sleep while waiting for mailbox completion.
11321 * So, this function should not be called from any context which
11322 * does not allow sleeping. Due to the same reason, this function
11323 * cannot be called with interrupt disabled.
11324 * This function assumes that the mailbox completion occurs while
11325 * this function sleep. So, this function cannot be called from
11326 * the worker thread which processes mailbox completion.
11327 * This function is called in the context of HBA management
11329 * This function returns MBX_SUCCESS when successful.
11330 * This function is called with no lock held.
11333 lpfc_sli_issue_mbox_wait(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
,
11336 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q
);
11337 MAILBOX_t
*mb
= NULL
;
11339 unsigned long flag
;
11341 /* The caller might set context1 for extended buffer */
11342 if (pmboxq
->context1
)
11343 mb
= (MAILBOX_t
*)pmboxq
->context1
;
11345 pmboxq
->mbox_flag
&= ~LPFC_MBX_WAKE
;
11346 /* setup wake call as IOCB callback */
11347 pmboxq
->mbox_cmpl
= lpfc_sli_wake_mbox_wait
;
11348 /* setup context field to pass wait_queue pointer to wake function */
11349 pmboxq
->context1
= &done_q
;
11351 /* now issue the command */
11352 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
11353 if (retval
== MBX_BUSY
|| retval
== MBX_SUCCESS
) {
11354 wait_event_interruptible_timeout(done_q
,
11355 pmboxq
->mbox_flag
& LPFC_MBX_WAKE
,
11356 msecs_to_jiffies(timeout
* 1000));
11358 spin_lock_irqsave(&phba
->hbalock
, flag
);
11359 /* restore the possible extended buffer for free resource */
11360 pmboxq
->context1
= (uint8_t *)mb
;
11362 * if LPFC_MBX_WAKE flag is set the mailbox is completed
11363 * else do not free the resources.
11365 if (pmboxq
->mbox_flag
& LPFC_MBX_WAKE
) {
11366 retval
= MBX_SUCCESS
;
11368 retval
= MBX_TIMEOUT
;
11369 pmboxq
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
11371 spin_unlock_irqrestore(&phba
->hbalock
, flag
);
11373 /* restore the possible extended buffer for free resource */
11374 pmboxq
->context1
= (uint8_t *)mb
;
11381 * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system
11382 * @phba: Pointer to HBA context.
11384 * This function is called to shutdown the driver's mailbox sub-system.
11385 * It first marks the mailbox sub-system is in a block state to prevent
11386 * the asynchronous mailbox command from issued off the pending mailbox
11387 * command queue. If the mailbox command sub-system shutdown is due to
11388 * HBA error conditions such as EEH or ERATT, this routine shall invoke
11389 * the mailbox sub-system flush routine to forcefully bring down the
11390 * mailbox sub-system. Otherwise, if it is due to normal condition (such
11391 * as with offline or HBA function reset), this routine will wait for the
11392 * outstanding mailbox command to complete before invoking the mailbox
11393 * sub-system flush routine to gracefully bring down mailbox sub-system.
11396 lpfc_sli_mbox_sys_shutdown(struct lpfc_hba
*phba
, int mbx_action
)
11398 struct lpfc_sli
*psli
= &phba
->sli
;
11399 unsigned long timeout
;
11401 if (mbx_action
== LPFC_MBX_NO_WAIT
) {
11402 /* delay 100ms for port state */
11404 lpfc_sli_mbox_sys_flush(phba
);
11407 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
11409 spin_lock_irq(&phba
->hbalock
);
11410 psli
->sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
11412 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
11413 /* Determine how long we might wait for the active mailbox
11414 * command to be gracefully completed by firmware.
11416 if (phba
->sli
.mbox_active
)
11417 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
11418 phba
->sli
.mbox_active
) *
11420 spin_unlock_irq(&phba
->hbalock
);
11422 while (phba
->sli
.mbox_active
) {
11423 /* Check active mailbox complete status every 2ms */
11425 if (time_after(jiffies
, timeout
))
11426 /* Timeout, let the mailbox flush routine to
11427 * forcefully release active mailbox command
11432 spin_unlock_irq(&phba
->hbalock
);
11434 lpfc_sli_mbox_sys_flush(phba
);
11438 * lpfc_sli_eratt_read - read sli-3 error attention events
11439 * @phba: Pointer to HBA context.
11441 * This function is called to read the SLI3 device error attention registers
11442 * for possible error attention events. The caller must hold the hostlock
11443 * with spin_lock_irq().
11445 * This function returns 1 when there is Error Attention in the Host Attention
11446 * Register and returns 0 otherwise.
11449 lpfc_sli_eratt_read(struct lpfc_hba
*phba
)
11453 /* Read chip Host Attention (HA) register */
11454 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
11457 if (ha_copy
& HA_ERATT
) {
11458 /* Read host status register to retrieve error event */
11459 if (lpfc_sli_read_hs(phba
))
11462 /* Check if there is a deferred error condition is active */
11463 if ((HS_FFER1
& phba
->work_hs
) &&
11464 ((HS_FFER2
| HS_FFER3
| HS_FFER4
| HS_FFER5
|
11465 HS_FFER6
| HS_FFER7
| HS_FFER8
) & phba
->work_hs
)) {
11466 phba
->hba_flag
|= DEFER_ERATT
;
11467 /* Clear all interrupt enable conditions */
11468 writel(0, phba
->HCregaddr
);
11469 readl(phba
->HCregaddr
);
11472 /* Set the driver HA work bitmap */
11473 phba
->work_ha
|= HA_ERATT
;
11474 /* Indicate polling handles this ERATT */
11475 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
11481 /* Set the driver HS work bitmap */
11482 phba
->work_hs
|= UNPLUG_ERR
;
11483 /* Set the driver HA work bitmap */
11484 phba
->work_ha
|= HA_ERATT
;
11485 /* Indicate polling handles this ERATT */
11486 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
11491 * lpfc_sli4_eratt_read - read sli-4 error attention events
11492 * @phba: Pointer to HBA context.
11494 * This function is called to read the SLI4 device error attention registers
11495 * for possible error attention events. The caller must hold the hostlock
11496 * with spin_lock_irq().
11498 * This function returns 1 when there is Error Attention in the Host Attention
11499 * Register and returns 0 otherwise.
11502 lpfc_sli4_eratt_read(struct lpfc_hba
*phba
)
11504 uint32_t uerr_sta_hi
, uerr_sta_lo
;
11505 uint32_t if_type
, portsmphr
;
11506 struct lpfc_register portstat_reg
;
11509 * For now, use the SLI4 device internal unrecoverable error
11510 * registers for error attention. This can be changed later.
11512 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
11514 case LPFC_SLI_INTF_IF_TYPE_0
:
11515 if (lpfc_readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
11517 lpfc_readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
,
11519 phba
->work_hs
|= UNPLUG_ERR
;
11520 phba
->work_ha
|= HA_ERATT
;
11521 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
11524 if ((~phba
->sli4_hba
.ue_mask_lo
& uerr_sta_lo
) ||
11525 (~phba
->sli4_hba
.ue_mask_hi
& uerr_sta_hi
)) {
11526 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11527 "1423 HBA Unrecoverable error: "
11528 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
11529 "ue_mask_lo_reg=0x%x, "
11530 "ue_mask_hi_reg=0x%x\n",
11531 uerr_sta_lo
, uerr_sta_hi
,
11532 phba
->sli4_hba
.ue_mask_lo
,
11533 phba
->sli4_hba
.ue_mask_hi
);
11534 phba
->work_status
[0] = uerr_sta_lo
;
11535 phba
->work_status
[1] = uerr_sta_hi
;
11536 phba
->work_ha
|= HA_ERATT
;
11537 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
11541 case LPFC_SLI_INTF_IF_TYPE_2
:
11542 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
11543 &portstat_reg
.word0
) ||
11544 lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
11546 phba
->work_hs
|= UNPLUG_ERR
;
11547 phba
->work_ha
|= HA_ERATT
;
11548 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
11551 if (bf_get(lpfc_sliport_status_err
, &portstat_reg
)) {
11552 phba
->work_status
[0] =
11553 readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
11554 phba
->work_status
[1] =
11555 readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
11556 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11557 "2885 Port Status Event: "
11558 "port status reg 0x%x, "
11559 "port smphr reg 0x%x, "
11560 "error 1=0x%x, error 2=0x%x\n",
11561 portstat_reg
.word0
,
11563 phba
->work_status
[0],
11564 phba
->work_status
[1]);
11565 phba
->work_ha
|= HA_ERATT
;
11566 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
11570 case LPFC_SLI_INTF_IF_TYPE_1
:
11572 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11573 "2886 HBA Error Attention on unsupported "
11574 "if type %d.", if_type
);
11582 * lpfc_sli_check_eratt - check error attention events
11583 * @phba: Pointer to HBA context.
11585 * This function is called from timer soft interrupt context to check HBA's
11586 * error attention register bit for error attention events.
11588 * This function returns 1 when there is Error Attention in the Host Attention
11589 * Register and returns 0 otherwise.
11592 lpfc_sli_check_eratt(struct lpfc_hba
*phba
)
11596 /* If somebody is waiting to handle an eratt, don't process it
11597 * here. The brdkill function will do this.
11599 if (phba
->link_flag
& LS_IGNORE_ERATT
)
11602 /* Check if interrupt handler handles this ERATT */
11603 spin_lock_irq(&phba
->hbalock
);
11604 if (phba
->hba_flag
& HBA_ERATT_HANDLED
) {
11605 /* Interrupt handler has handled ERATT */
11606 spin_unlock_irq(&phba
->hbalock
);
11611 * If there is deferred error attention, do not check for error
11614 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
11615 spin_unlock_irq(&phba
->hbalock
);
11619 /* If PCI channel is offline, don't process it */
11620 if (unlikely(pci_channel_offline(phba
->pcidev
))) {
11621 spin_unlock_irq(&phba
->hbalock
);
11625 switch (phba
->sli_rev
) {
11626 case LPFC_SLI_REV2
:
11627 case LPFC_SLI_REV3
:
11628 /* Read chip Host Attention (HA) register */
11629 ha_copy
= lpfc_sli_eratt_read(phba
);
11631 case LPFC_SLI_REV4
:
11632 /* Read device Uncoverable Error (UERR) registers */
11633 ha_copy
= lpfc_sli4_eratt_read(phba
);
11636 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
11637 "0299 Invalid SLI revision (%d)\n",
11642 spin_unlock_irq(&phba
->hbalock
);
11648 * lpfc_intr_state_check - Check device state for interrupt handling
11649 * @phba: Pointer to HBA context.
11651 * This inline routine checks whether a device or its PCI slot is in a state
11652 * that the interrupt should be handled.
11654 * This function returns 0 if the device or the PCI slot is in a state that
11655 * interrupt should be handled, otherwise -EIO.
11658 lpfc_intr_state_check(struct lpfc_hba
*phba
)
11660 /* If the pci channel is offline, ignore all the interrupts */
11661 if (unlikely(pci_channel_offline(phba
->pcidev
)))
11664 /* Update device level interrupt statistics */
11665 phba
->sli
.slistat
.sli_intr
++;
11667 /* Ignore all interrupts during initialization. */
11668 if (unlikely(phba
->link_state
< LPFC_LINK_DOWN
))
11675 * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device
11676 * @irq: Interrupt number.
11677 * @dev_id: The device context pointer.
11679 * This function is directly called from the PCI layer as an interrupt
11680 * service routine when device with SLI-3 interface spec is enabled with
11681 * MSI-X multi-message interrupt mode and there are slow-path events in
11682 * the HBA. However, when the device is enabled with either MSI or Pin-IRQ
11683 * interrupt mode, this function is called as part of the device-level
11684 * interrupt handler. When the PCI slot is in error recovery or the HBA
11685 * is undergoing initialization, the interrupt handler will not process
11686 * the interrupt. The link attention and ELS ring attention events are
11687 * handled by the worker thread. The interrupt handler signals the worker
11688 * thread and returns for these events. This function is called without
11689 * any lock held. It gets the hbalock to access and update SLI data
11692 * This function returns IRQ_HANDLED when interrupt is handled else it
11693 * returns IRQ_NONE.
11696 lpfc_sli_sp_intr_handler(int irq
, void *dev_id
)
11698 struct lpfc_hba
*phba
;
11699 uint32_t ha_copy
, hc_copy
;
11700 uint32_t work_ha_copy
;
11701 unsigned long status
;
11702 unsigned long iflag
;
11705 MAILBOX_t
*mbox
, *pmbox
;
11706 struct lpfc_vport
*vport
;
11707 struct lpfc_nodelist
*ndlp
;
11708 struct lpfc_dmabuf
*mp
;
11713 * Get the driver's phba structure from the dev_id and
11714 * assume the HBA is not interrupting.
11716 phba
= (struct lpfc_hba
*)dev_id
;
11718 if (unlikely(!phba
))
11722 * Stuff needs to be attented to when this function is invoked as an
11723 * individual interrupt handler in MSI-X multi-message interrupt mode
11725 if (phba
->intr_type
== MSIX
) {
11726 /* Check device state for handling interrupt */
11727 if (lpfc_intr_state_check(phba
))
11729 /* Need to read HA REG for slow-path events */
11730 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11731 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
11733 /* If somebody is waiting to handle an eratt don't process it
11734 * here. The brdkill function will do this.
11736 if (phba
->link_flag
& LS_IGNORE_ERATT
)
11737 ha_copy
&= ~HA_ERATT
;
11738 /* Check the need for handling ERATT in interrupt handler */
11739 if (ha_copy
& HA_ERATT
) {
11740 if (phba
->hba_flag
& HBA_ERATT_HANDLED
)
11741 /* ERATT polling has handled ERATT */
11742 ha_copy
&= ~HA_ERATT
;
11744 /* Indicate interrupt handler handles ERATT */
11745 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
11749 * If there is deferred error attention, do not check for any
11752 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
11753 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11757 /* Clear up only attention source related to slow-path */
11758 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
))
11761 writel(hc_copy
& ~(HC_MBINT_ENA
| HC_R2INT_ENA
|
11762 HC_LAINT_ENA
| HC_ERINT_ENA
),
11764 writel((ha_copy
& (HA_MBATT
| HA_R2_CLR_MSK
)),
11766 writel(hc_copy
, phba
->HCregaddr
);
11767 readl(phba
->HAregaddr
); /* flush */
11768 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11770 ha_copy
= phba
->ha_copy
;
11772 work_ha_copy
= ha_copy
& phba
->work_ha_mask
;
11774 if (work_ha_copy
) {
11775 if (work_ha_copy
& HA_LATT
) {
11776 if (phba
->sli
.sli_flag
& LPFC_PROCESS_LA
) {
11778 * Turn off Link Attention interrupts
11779 * until CLEAR_LA done
11781 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11782 phba
->sli
.sli_flag
&= ~LPFC_PROCESS_LA
;
11783 if (lpfc_readl(phba
->HCregaddr
, &control
))
11785 control
&= ~HC_LAINT_ENA
;
11786 writel(control
, phba
->HCregaddr
);
11787 readl(phba
->HCregaddr
); /* flush */
11788 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11791 work_ha_copy
&= ~HA_LATT
;
11794 if (work_ha_copy
& ~(HA_ERATT
| HA_MBATT
| HA_LATT
)) {
11796 * Turn off Slow Rings interrupts, LPFC_ELS_RING is
11797 * the only slow ring.
11799 status
= (work_ha_copy
&
11800 (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
11801 status
>>= (4*LPFC_ELS_RING
);
11802 if (status
& HA_RXMASK
) {
11803 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11804 if (lpfc_readl(phba
->HCregaddr
, &control
))
11807 lpfc_debugfs_slow_ring_trc(phba
,
11808 "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x",
11810 (uint32_t)phba
->sli
.slistat
.sli_intr
);
11812 if (control
& (HC_R0INT_ENA
<< LPFC_ELS_RING
)) {
11813 lpfc_debugfs_slow_ring_trc(phba
,
11814 "ISR Disable ring:"
11815 "pwork:x%x hawork:x%x wait:x%x",
11816 phba
->work_ha
, work_ha_copy
,
11817 (uint32_t)((unsigned long)
11818 &phba
->work_waitq
));
11821 ~(HC_R0INT_ENA
<< LPFC_ELS_RING
);
11822 writel(control
, phba
->HCregaddr
);
11823 readl(phba
->HCregaddr
); /* flush */
11826 lpfc_debugfs_slow_ring_trc(phba
,
11827 "ISR slow ring: pwork:"
11828 "x%x hawork:x%x wait:x%x",
11829 phba
->work_ha
, work_ha_copy
,
11830 (uint32_t)((unsigned long)
11831 &phba
->work_waitq
));
11833 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11836 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11837 if (work_ha_copy
& HA_ERATT
) {
11838 if (lpfc_sli_read_hs(phba
))
11841 * Check if there is a deferred error condition
11844 if ((HS_FFER1
& phba
->work_hs
) &&
11845 ((HS_FFER2
| HS_FFER3
| HS_FFER4
| HS_FFER5
|
11846 HS_FFER6
| HS_FFER7
| HS_FFER8
) &
11848 phba
->hba_flag
|= DEFER_ERATT
;
11849 /* Clear all interrupt enable conditions */
11850 writel(0, phba
->HCregaddr
);
11851 readl(phba
->HCregaddr
);
11855 if ((work_ha_copy
& HA_MBATT
) && (phba
->sli
.mbox_active
)) {
11856 pmb
= phba
->sli
.mbox_active
;
11857 pmbox
= &pmb
->u
.mb
;
11859 vport
= pmb
->vport
;
11861 /* First check out the status word */
11862 lpfc_sli_pcimem_bcopy(mbox
, pmbox
, sizeof(uint32_t));
11863 if (pmbox
->mbxOwner
!= OWN_HOST
) {
11864 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11866 * Stray Mailbox Interrupt, mbxCommand <cmd>
11867 * mbxStatus <status>
11869 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
11871 "(%d):0304 Stray Mailbox "
11872 "Interrupt mbxCommand x%x "
11874 (vport
? vport
->vpi
: 0),
11877 /* clear mailbox attention bit */
11878 work_ha_copy
&= ~HA_MBATT
;
11880 phba
->sli
.mbox_active
= NULL
;
11881 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11882 phba
->last_completion_time
= jiffies
;
11883 del_timer(&phba
->sli
.mbox_tmo
);
11884 if (pmb
->mbox_cmpl
) {
11885 lpfc_sli_pcimem_bcopy(mbox
, pmbox
,
11887 if (pmb
->out_ext_byte_len
&&
11889 lpfc_sli_pcimem_bcopy(
11892 pmb
->out_ext_byte_len
);
11894 if (pmb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) {
11895 pmb
->mbox_flag
&= ~LPFC_MBX_IMED_UNREG
;
11897 lpfc_debugfs_disc_trc(vport
,
11898 LPFC_DISC_TRC_MBOX_VPORT
,
11899 "MBOX dflt rpi: : "
11900 "status:x%x rpi:x%x",
11901 (uint32_t)pmbox
->mbxStatus
,
11902 pmbox
->un
.varWords
[0], 0);
11904 if (!pmbox
->mbxStatus
) {
11905 mp
= (struct lpfc_dmabuf
*)
11907 ndlp
= (struct lpfc_nodelist
*)
11910 /* Reg_LOGIN of dflt RPI was
11911 * successful. new lets get
11912 * rid of the RPI using the
11913 * same mbox buffer.
11915 lpfc_unreg_login(phba
,
11917 pmbox
->un
.varWords
[0],
11920 lpfc_mbx_cmpl_dflt_rpi
;
11921 pmb
->context1
= mp
;
11922 pmb
->context2
= ndlp
;
11923 pmb
->vport
= vport
;
11924 rc
= lpfc_sli_issue_mbox(phba
,
11927 if (rc
!= MBX_BUSY
)
11928 lpfc_printf_log(phba
,
11930 LOG_MBOX
| LOG_SLI
,
11931 "0350 rc should have"
11932 "been MBX_BUSY\n");
11933 if (rc
!= MBX_NOT_FINISHED
)
11934 goto send_current_mbox
;
11938 &phba
->pport
->work_port_lock
,
11940 phba
->pport
->work_port_events
&=
11942 spin_unlock_irqrestore(
11943 &phba
->pport
->work_port_lock
,
11945 lpfc_mbox_cmpl_put(phba
, pmb
);
11948 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11950 if ((work_ha_copy
& HA_MBATT
) &&
11951 (phba
->sli
.mbox_active
== NULL
)) {
11953 /* Process next mailbox command if there is one */
11955 rc
= lpfc_sli_issue_mbox(phba
, NULL
,
11957 } while (rc
== MBX_NOT_FINISHED
);
11958 if (rc
!= MBX_SUCCESS
)
11959 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
11960 LOG_SLI
, "0349 rc should be "
11964 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11965 phba
->work_ha
|= work_ha_copy
;
11966 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11967 lpfc_worker_wake_up(phba
);
11969 return IRQ_HANDLED
;
11971 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11972 return IRQ_HANDLED
;
11974 } /* lpfc_sli_sp_intr_handler */
11977 * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device.
11978 * @irq: Interrupt number.
11979 * @dev_id: The device context pointer.
11981 * This function is directly called from the PCI layer as an interrupt
11982 * service routine when device with SLI-3 interface spec is enabled with
11983 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
11984 * ring event in the HBA. However, when the device is enabled with either
11985 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
11986 * device-level interrupt handler. When the PCI slot is in error recovery
11987 * or the HBA is undergoing initialization, the interrupt handler will not
11988 * process the interrupt. The SCSI FCP fast-path ring event are handled in
11989 * the intrrupt context. This function is called without any lock held.
11990 * It gets the hbalock to access and update SLI data structures.
11992 * This function returns IRQ_HANDLED when interrupt is handled else it
11993 * returns IRQ_NONE.
11996 lpfc_sli_fp_intr_handler(int irq
, void *dev_id
)
11998 struct lpfc_hba
*phba
;
12000 unsigned long status
;
12001 unsigned long iflag
;
12002 struct lpfc_sli_ring
*pring
;
12004 /* Get the driver's phba structure from the dev_id and
12005 * assume the HBA is not interrupting.
12007 phba
= (struct lpfc_hba
*) dev_id
;
12009 if (unlikely(!phba
))
12013 * Stuff needs to be attented to when this function is invoked as an
12014 * individual interrupt handler in MSI-X multi-message interrupt mode
12016 if (phba
->intr_type
== MSIX
) {
12017 /* Check device state for handling interrupt */
12018 if (lpfc_intr_state_check(phba
))
12020 /* Need to read HA REG for FCP ring and other ring events */
12021 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
12022 return IRQ_HANDLED
;
12023 /* Clear up only attention source related to fast-path */
12024 spin_lock_irqsave(&phba
->hbalock
, iflag
);
12026 * If there is deferred error attention, do not check for
12029 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
12030 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
12033 writel((ha_copy
& (HA_R0_CLR_MSK
| HA_R1_CLR_MSK
)),
12035 readl(phba
->HAregaddr
); /* flush */
12036 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
12038 ha_copy
= phba
->ha_copy
;
12041 * Process all events on FCP ring. Take the optimized path for FCP IO.
12043 ha_copy
&= ~(phba
->work_ha_mask
);
12045 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_FCP_RING
)));
12046 status
>>= (4*LPFC_FCP_RING
);
12047 pring
= &phba
->sli
.sli3_ring
[LPFC_FCP_RING
];
12048 if (status
& HA_RXMASK
)
12049 lpfc_sli_handle_fast_ring_event(phba
, pring
, status
);
12051 if (phba
->cfg_multi_ring_support
== 2) {
12053 * Process all events on extra ring. Take the optimized path
12054 * for extra ring IO.
12056 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_EXTRA_RING
)));
12057 status
>>= (4*LPFC_EXTRA_RING
);
12058 if (status
& HA_RXMASK
) {
12059 lpfc_sli_handle_fast_ring_event(phba
,
12060 &phba
->sli
.sli3_ring
[LPFC_EXTRA_RING
],
12064 return IRQ_HANDLED
;
12065 } /* lpfc_sli_fp_intr_handler */
12068 * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device
12069 * @irq: Interrupt number.
12070 * @dev_id: The device context pointer.
12072 * This function is the HBA device-level interrupt handler to device with
12073 * SLI-3 interface spec, called from the PCI layer when either MSI or
12074 * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which
12075 * requires driver attention. This function invokes the slow-path interrupt
12076 * attention handling function and fast-path interrupt attention handling
12077 * function in turn to process the relevant HBA attention events. This
12078 * function is called without any lock held. It gets the hbalock to access
12079 * and update SLI data structures.
12081 * This function returns IRQ_HANDLED when interrupt is handled, else it
12082 * returns IRQ_NONE.
12085 lpfc_sli_intr_handler(int irq
, void *dev_id
)
12087 struct lpfc_hba
*phba
;
12088 irqreturn_t sp_irq_rc
, fp_irq_rc
;
12089 unsigned long status1
, status2
;
12093 * Get the driver's phba structure from the dev_id and
12094 * assume the HBA is not interrupting.
12096 phba
= (struct lpfc_hba
*) dev_id
;
12098 if (unlikely(!phba
))
12101 /* Check device state for handling interrupt */
12102 if (lpfc_intr_state_check(phba
))
12105 spin_lock(&phba
->hbalock
);
12106 if (lpfc_readl(phba
->HAregaddr
, &phba
->ha_copy
)) {
12107 spin_unlock(&phba
->hbalock
);
12108 return IRQ_HANDLED
;
12111 if (unlikely(!phba
->ha_copy
)) {
12112 spin_unlock(&phba
->hbalock
);
12114 } else if (phba
->ha_copy
& HA_ERATT
) {
12115 if (phba
->hba_flag
& HBA_ERATT_HANDLED
)
12116 /* ERATT polling has handled ERATT */
12117 phba
->ha_copy
&= ~HA_ERATT
;
12119 /* Indicate interrupt handler handles ERATT */
12120 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
12124 * If there is deferred error attention, do not check for any interrupt.
12126 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
12127 spin_unlock(&phba
->hbalock
);
12131 /* Clear attention sources except link and error attentions */
12132 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
)) {
12133 spin_unlock(&phba
->hbalock
);
12134 return IRQ_HANDLED
;
12136 writel(hc_copy
& ~(HC_MBINT_ENA
| HC_R0INT_ENA
| HC_R1INT_ENA
12137 | HC_R2INT_ENA
| HC_LAINT_ENA
| HC_ERINT_ENA
),
12139 writel((phba
->ha_copy
& ~(HA_LATT
| HA_ERATT
)), phba
->HAregaddr
);
12140 writel(hc_copy
, phba
->HCregaddr
);
12141 readl(phba
->HAregaddr
); /* flush */
12142 spin_unlock(&phba
->hbalock
);
12145 * Invokes slow-path host attention interrupt handling as appropriate.
12148 /* status of events with mailbox and link attention */
12149 status1
= phba
->ha_copy
& (HA_MBATT
| HA_LATT
| HA_ERATT
);
12151 /* status of events with ELS ring */
12152 status2
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
12153 status2
>>= (4*LPFC_ELS_RING
);
12155 if (status1
|| (status2
& HA_RXMASK
))
12156 sp_irq_rc
= lpfc_sli_sp_intr_handler(irq
, dev_id
);
12158 sp_irq_rc
= IRQ_NONE
;
12161 * Invoke fast-path host attention interrupt handling as appropriate.
12164 /* status of events with FCP ring */
12165 status1
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_FCP_RING
)));
12166 status1
>>= (4*LPFC_FCP_RING
);
12168 /* status of events with extra ring */
12169 if (phba
->cfg_multi_ring_support
== 2) {
12170 status2
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_EXTRA_RING
)));
12171 status2
>>= (4*LPFC_EXTRA_RING
);
12175 if ((status1
& HA_RXMASK
) || (status2
& HA_RXMASK
))
12176 fp_irq_rc
= lpfc_sli_fp_intr_handler(irq
, dev_id
);
12178 fp_irq_rc
= IRQ_NONE
;
12180 /* Return device-level interrupt handling status */
12181 return (sp_irq_rc
== IRQ_HANDLED
) ? sp_irq_rc
: fp_irq_rc
;
12182 } /* lpfc_sli_intr_handler */
12185 * lpfc_sli4_fcp_xri_abort_event_proc - Process fcp xri abort event
12186 * @phba: pointer to lpfc hba data structure.
12188 * This routine is invoked by the worker thread to process all the pending
12189 * SLI4 FCP abort XRI events.
12191 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba
*phba
)
12193 struct lpfc_cq_event
*cq_event
;
12195 /* First, declare the fcp xri abort event has been handled */
12196 spin_lock_irq(&phba
->hbalock
);
12197 phba
->hba_flag
&= ~FCP_XRI_ABORT_EVENT
;
12198 spin_unlock_irq(&phba
->hbalock
);
12199 /* Now, handle all the fcp xri abort events */
12200 while (!list_empty(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
)) {
12201 /* Get the first event from the head of the event queue */
12202 spin_lock_irq(&phba
->hbalock
);
12203 list_remove_head(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
12204 cq_event
, struct lpfc_cq_event
, list
);
12205 spin_unlock_irq(&phba
->hbalock
);
12206 /* Notify aborted XRI for FCP work queue */
12207 lpfc_sli4_fcp_xri_aborted(phba
, &cq_event
->cqe
.wcqe_axri
);
12208 /* Free the event processed back to the free pool */
12209 lpfc_sli4_cq_event_release(phba
, cq_event
);
12214 * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event
12215 * @phba: pointer to lpfc hba data structure.
12217 * This routine is invoked by the worker thread to process all the pending
12218 * SLI4 els abort xri events.
12220 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba
*phba
)
12222 struct lpfc_cq_event
*cq_event
;
12224 /* First, declare the els xri abort event has been handled */
12225 spin_lock_irq(&phba
->hbalock
);
12226 phba
->hba_flag
&= ~ELS_XRI_ABORT_EVENT
;
12227 spin_unlock_irq(&phba
->hbalock
);
12228 /* Now, handle all the els xri abort events */
12229 while (!list_empty(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
)) {
12230 /* Get the first event from the head of the event queue */
12231 spin_lock_irq(&phba
->hbalock
);
12232 list_remove_head(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
12233 cq_event
, struct lpfc_cq_event
, list
);
12234 spin_unlock_irq(&phba
->hbalock
);
12235 /* Notify aborted XRI for ELS work queue */
12236 lpfc_sli4_els_xri_aborted(phba
, &cq_event
->cqe
.wcqe_axri
);
12237 /* Free the event processed back to the free pool */
12238 lpfc_sli4_cq_event_release(phba
, cq_event
);
12243 * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn
12244 * @phba: pointer to lpfc hba data structure
12245 * @pIocbIn: pointer to the rspiocbq
12246 * @pIocbOut: pointer to the cmdiocbq
12247 * @wcqe: pointer to the complete wcqe
12249 * This routine transfers the fields of a command iocbq to a response iocbq
12250 * by copying all the IOCB fields from command iocbq and transferring the
12251 * completion status information from the complete wcqe.
12254 lpfc_sli4_iocb_param_transfer(struct lpfc_hba
*phba
,
12255 struct lpfc_iocbq
*pIocbIn
,
12256 struct lpfc_iocbq
*pIocbOut
,
12257 struct lpfc_wcqe_complete
*wcqe
)
12260 unsigned long iflags
;
12261 uint32_t status
, max_response
;
12262 struct lpfc_dmabuf
*dmabuf
;
12263 struct ulp_bde64
*bpl
, bde
;
12264 size_t offset
= offsetof(struct lpfc_iocbq
, iocb
);
12266 memcpy((char *)pIocbIn
+ offset
, (char *)pIocbOut
+ offset
,
12267 sizeof(struct lpfc_iocbq
) - offset
);
12268 /* Map WCQE parameters into irspiocb parameters */
12269 status
= bf_get(lpfc_wcqe_c_status
, wcqe
);
12270 pIocbIn
->iocb
.ulpStatus
= (status
& LPFC_IOCB_STATUS_MASK
);
12271 if (pIocbOut
->iocb_flag
& LPFC_IO_FCP
)
12272 if (pIocbIn
->iocb
.ulpStatus
== IOSTAT_FCP_RSP_ERROR
)
12273 pIocbIn
->iocb
.un
.fcpi
.fcpi_parm
=
12274 pIocbOut
->iocb
.un
.fcpi
.fcpi_parm
-
12275 wcqe
->total_data_placed
;
12277 pIocbIn
->iocb
.un
.ulpWord
[4] = wcqe
->parameter
;
12279 pIocbIn
->iocb
.un
.ulpWord
[4] = wcqe
->parameter
;
12280 switch (pIocbOut
->iocb
.ulpCommand
) {
12281 case CMD_ELS_REQUEST64_CR
:
12282 dmabuf
= (struct lpfc_dmabuf
*)pIocbOut
->context3
;
12283 bpl
= (struct ulp_bde64
*)dmabuf
->virt
;
12284 bde
.tus
.w
= le32_to_cpu(bpl
[1].tus
.w
);
12285 max_response
= bde
.tus
.f
.bdeSize
;
12287 case CMD_GEN_REQUEST64_CR
:
12289 if (!pIocbOut
->context3
)
12291 numBdes
= pIocbOut
->iocb
.un
.genreq64
.bdl
.bdeSize
/
12292 sizeof(struct ulp_bde64
);
12293 dmabuf
= (struct lpfc_dmabuf
*)pIocbOut
->context3
;
12294 bpl
= (struct ulp_bde64
*)dmabuf
->virt
;
12295 for (i
= 0; i
< numBdes
; i
++) {
12296 bde
.tus
.w
= le32_to_cpu(bpl
[i
].tus
.w
);
12297 if (bde
.tus
.f
.bdeFlags
!= BUFF_TYPE_BDE_64
)
12298 max_response
+= bde
.tus
.f
.bdeSize
;
12302 max_response
= wcqe
->total_data_placed
;
12305 if (max_response
< wcqe
->total_data_placed
)
12306 pIocbIn
->iocb
.un
.genreq64
.bdl
.bdeSize
= max_response
;
12308 pIocbIn
->iocb
.un
.genreq64
.bdl
.bdeSize
=
12309 wcqe
->total_data_placed
;
12312 /* Convert BG errors for completion status */
12313 if (status
== CQE_STATUS_DI_ERROR
) {
12314 pIocbIn
->iocb
.ulpStatus
= IOSTAT_LOCAL_REJECT
;
12316 if (bf_get(lpfc_wcqe_c_bg_edir
, wcqe
))
12317 pIocbIn
->iocb
.un
.ulpWord
[4] = IOERR_RX_DMA_FAILED
;
12319 pIocbIn
->iocb
.un
.ulpWord
[4] = IOERR_TX_DMA_FAILED
;
12321 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
= 0;
12322 if (bf_get(lpfc_wcqe_c_bg_ge
, wcqe
)) /* Guard Check failed */
12323 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
12324 BGS_GUARD_ERR_MASK
;
12325 if (bf_get(lpfc_wcqe_c_bg_ae
, wcqe
)) /* App Tag Check failed */
12326 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
12327 BGS_APPTAG_ERR_MASK
;
12328 if (bf_get(lpfc_wcqe_c_bg_re
, wcqe
)) /* Ref Tag Check failed */
12329 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
12330 BGS_REFTAG_ERR_MASK
;
12332 /* Check to see if there was any good data before the error */
12333 if (bf_get(lpfc_wcqe_c_bg_tdpv
, wcqe
)) {
12334 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
12335 BGS_HI_WATER_MARK_PRESENT_MASK
;
12336 pIocbIn
->iocb
.unsli3
.sli3_bg
.bghm
=
12337 wcqe
->total_data_placed
;
12341 * Set ALL the error bits to indicate we don't know what
12342 * type of error it is.
12344 if (!pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
)
12345 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
12346 (BGS_REFTAG_ERR_MASK
| BGS_APPTAG_ERR_MASK
|
12347 BGS_GUARD_ERR_MASK
);
12350 /* Pick up HBA exchange busy condition */
12351 if (bf_get(lpfc_wcqe_c_xb
, wcqe
)) {
12352 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12353 pIocbIn
->iocb_flag
|= LPFC_EXCHANGE_BUSY
;
12354 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12359 * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe
12360 * @phba: Pointer to HBA context object.
12361 * @wcqe: Pointer to work-queue completion queue entry.
12363 * This routine handles an ELS work-queue completion event and construct
12364 * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common
12365 * discovery engine to handle.
12367 * Return: Pointer to the receive IOCBQ, NULL otherwise.
12369 static struct lpfc_iocbq
*
12370 lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba
*phba
,
12371 struct lpfc_iocbq
*irspiocbq
)
12373 struct lpfc_sli_ring
*pring
;
12374 struct lpfc_iocbq
*cmdiocbq
;
12375 struct lpfc_wcqe_complete
*wcqe
;
12376 unsigned long iflags
;
12378 pring
= lpfc_phba_elsring(phba
);
12380 wcqe
= &irspiocbq
->cq_event
.cqe
.wcqe_cmpl
;
12381 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
12382 pring
->stats
.iocb_event
++;
12383 /* Look up the ELS command IOCB and create pseudo response IOCB */
12384 cmdiocbq
= lpfc_sli_iocbq_lookup_by_tag(phba
, pring
,
12385 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
12386 /* Put the iocb back on the txcmplq */
12387 lpfc_sli_ringtxcmpl_put(phba
, pring
, cmdiocbq
);
12388 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
12390 if (unlikely(!cmdiocbq
)) {
12391 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
12392 "0386 ELS complete with no corresponding "
12393 "cmdiocb: iotag (%d)\n",
12394 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
12395 lpfc_sli_release_iocbq(phba
, irspiocbq
);
12399 /* Fake the irspiocbq and copy necessary response information */
12400 lpfc_sli4_iocb_param_transfer(phba
, irspiocbq
, cmdiocbq
, wcqe
);
12406 * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event
12407 * @phba: Pointer to HBA context object.
12408 * @cqe: Pointer to mailbox completion queue entry.
12410 * This routine process a mailbox completion queue entry with asynchrous
12413 * Return: true if work posted to worker thread, otherwise false.
12416 lpfc_sli4_sp_handle_async_event(struct lpfc_hba
*phba
, struct lpfc_mcqe
*mcqe
)
12418 struct lpfc_cq_event
*cq_event
;
12419 unsigned long iflags
;
12421 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
12422 "0392 Async Event: word0:x%x, word1:x%x, "
12423 "word2:x%x, word3:x%x\n", mcqe
->word0
,
12424 mcqe
->mcqe_tag0
, mcqe
->mcqe_tag1
, mcqe
->trailer
);
12426 /* Allocate a new internal CQ_EVENT entry */
12427 cq_event
= lpfc_sli4_cq_event_alloc(phba
);
12429 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12430 "0394 Failed to allocate CQ_EVENT entry\n");
12434 /* Move the CQE into an asynchronous event entry */
12435 memcpy(&cq_event
->cqe
, mcqe
, sizeof(struct lpfc_mcqe
));
12436 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12437 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_asynce_work_queue
);
12438 /* Set the async event flag */
12439 phba
->hba_flag
|= ASYNC_EVENT
;
12440 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12446 * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event
12447 * @phba: Pointer to HBA context object.
12448 * @cqe: Pointer to mailbox completion queue entry.
12450 * This routine process a mailbox completion queue entry with mailbox
12451 * completion event.
12453 * Return: true if work posted to worker thread, otherwise false.
12456 lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba
*phba
, struct lpfc_mcqe
*mcqe
)
12458 uint32_t mcqe_status
;
12459 MAILBOX_t
*mbox
, *pmbox
;
12460 struct lpfc_mqe
*mqe
;
12461 struct lpfc_vport
*vport
;
12462 struct lpfc_nodelist
*ndlp
;
12463 struct lpfc_dmabuf
*mp
;
12464 unsigned long iflags
;
12466 bool workposted
= false;
12469 /* If not a mailbox complete MCQE, out by checking mailbox consume */
12470 if (!bf_get(lpfc_trailer_completed
, mcqe
))
12471 goto out_no_mqe_complete
;
12473 /* Get the reference to the active mbox command */
12474 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12475 pmb
= phba
->sli
.mbox_active
;
12476 if (unlikely(!pmb
)) {
12477 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
12478 "1832 No pending MBOX command to handle\n");
12479 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12480 goto out_no_mqe_complete
;
12482 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12484 pmbox
= (MAILBOX_t
*)&pmb
->u
.mqe
;
12486 vport
= pmb
->vport
;
12488 /* Reset heartbeat timer */
12489 phba
->last_completion_time
= jiffies
;
12490 del_timer(&phba
->sli
.mbox_tmo
);
12492 /* Move mbox data to caller's mailbox region, do endian swapping */
12493 if (pmb
->mbox_cmpl
&& mbox
)
12494 lpfc_sli_pcimem_bcopy(mbox
, mqe
, sizeof(struct lpfc_mqe
));
12497 * For mcqe errors, conditionally move a modified error code to
12498 * the mbox so that the error will not be missed.
12500 mcqe_status
= bf_get(lpfc_mcqe_status
, mcqe
);
12501 if (mcqe_status
!= MB_CQE_STATUS_SUCCESS
) {
12502 if (bf_get(lpfc_mqe_status
, mqe
) == MBX_SUCCESS
)
12503 bf_set(lpfc_mqe_status
, mqe
,
12504 (LPFC_MBX_ERROR_RANGE
| mcqe_status
));
12506 if (pmb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) {
12507 pmb
->mbox_flag
&= ~LPFC_MBX_IMED_UNREG
;
12508 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_MBOX_VPORT
,
12509 "MBOX dflt rpi: status:x%x rpi:x%x",
12511 pmbox
->un
.varWords
[0], 0);
12512 if (mcqe_status
== MB_CQE_STATUS_SUCCESS
) {
12513 mp
= (struct lpfc_dmabuf
*)(pmb
->context1
);
12514 ndlp
= (struct lpfc_nodelist
*)pmb
->context2
;
12515 /* Reg_LOGIN of dflt RPI was successful. Now lets get
12516 * RID of the PPI using the same mbox buffer.
12518 lpfc_unreg_login(phba
, vport
->vpi
,
12519 pmbox
->un
.varWords
[0], pmb
);
12520 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_dflt_rpi
;
12521 pmb
->context1
= mp
;
12522 pmb
->context2
= ndlp
;
12523 pmb
->vport
= vport
;
12524 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
12525 if (rc
!= MBX_BUSY
)
12526 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
12527 LOG_SLI
, "0385 rc should "
12528 "have been MBX_BUSY\n");
12529 if (rc
!= MBX_NOT_FINISHED
)
12530 goto send_current_mbox
;
12533 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflags
);
12534 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
12535 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflags
);
12537 /* There is mailbox completion work to do */
12538 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12539 __lpfc_mbox_cmpl_put(phba
, pmb
);
12540 phba
->work_ha
|= HA_MBATT
;
12541 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12545 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12546 /* Release the mailbox command posting token */
12547 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
12548 /* Setting active mailbox pointer need to be in sync to flag clear */
12549 phba
->sli
.mbox_active
= NULL
;
12550 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12551 /* Wake up worker thread to post the next pending mailbox command */
12552 lpfc_worker_wake_up(phba
);
12553 out_no_mqe_complete
:
12554 if (bf_get(lpfc_trailer_consumed
, mcqe
))
12555 lpfc_sli4_mq_release(phba
->sli4_hba
.mbx_wq
);
12560 * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry
12561 * @phba: Pointer to HBA context object.
12562 * @cqe: Pointer to mailbox completion queue entry.
12564 * This routine process a mailbox completion queue entry, it invokes the
12565 * proper mailbox complete handling or asynchrous event handling routine
12566 * according to the MCQE's async bit.
12568 * Return: true if work posted to worker thread, otherwise false.
12571 lpfc_sli4_sp_handle_mcqe(struct lpfc_hba
*phba
, struct lpfc_cqe
*cqe
)
12573 struct lpfc_mcqe mcqe
;
12576 /* Copy the mailbox MCQE and convert endian order as needed */
12577 lpfc_sli_pcimem_bcopy(cqe
, &mcqe
, sizeof(struct lpfc_mcqe
));
12579 /* Invoke the proper event handling routine */
12580 if (!bf_get(lpfc_trailer_async
, &mcqe
))
12581 workposted
= lpfc_sli4_sp_handle_mbox_event(phba
, &mcqe
);
12583 workposted
= lpfc_sli4_sp_handle_async_event(phba
, &mcqe
);
12588 * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event
12589 * @phba: Pointer to HBA context object.
12590 * @cq: Pointer to associated CQ
12591 * @wcqe: Pointer to work-queue completion queue entry.
12593 * This routine handles an ELS work-queue completion event.
12595 * Return: true if work posted to worker thread, otherwise false.
12598 lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
12599 struct lpfc_wcqe_complete
*wcqe
)
12601 struct lpfc_iocbq
*irspiocbq
;
12602 unsigned long iflags
;
12603 struct lpfc_sli_ring
*pring
= cq
->pring
;
12605 int txcmplq_cnt
= 0;
12606 int fcp_txcmplq_cnt
= 0;
12608 /* Get an irspiocbq for later ELS response processing use */
12609 irspiocbq
= lpfc_sli_get_iocbq(phba
);
12611 if (!list_empty(&pring
->txq
))
12613 if (!list_empty(&pring
->txcmplq
))
12615 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12616 "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d "
12617 "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n",
12618 txq_cnt
, phba
->iocb_cnt
,
12624 /* Save off the slow-path queue event for work thread to process */
12625 memcpy(&irspiocbq
->cq_event
.cqe
.wcqe_cmpl
, wcqe
, sizeof(*wcqe
));
12626 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12627 list_add_tail(&irspiocbq
->cq_event
.list
,
12628 &phba
->sli4_hba
.sp_queue_event
);
12629 phba
->hba_flag
|= HBA_SP_QUEUE_EVT
;
12630 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12636 * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event
12637 * @phba: Pointer to HBA context object.
12638 * @wcqe: Pointer to work-queue completion queue entry.
12640 * This routine handles slow-path WQ entry comsumed event by invoking the
12641 * proper WQ release routine to the slow-path WQ.
12644 lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba
*phba
,
12645 struct lpfc_wcqe_release
*wcqe
)
12647 /* sanity check on queue memory */
12648 if (unlikely(!phba
->sli4_hba
.els_wq
))
12650 /* Check for the slow-path ELS work queue */
12651 if (bf_get(lpfc_wcqe_r_wq_id
, wcqe
) == phba
->sli4_hba
.els_wq
->queue_id
)
12652 lpfc_sli4_wq_release(phba
->sli4_hba
.els_wq
,
12653 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
));
12655 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
12656 "2579 Slow-path wqe consume event carries "
12657 "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n",
12658 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
),
12659 phba
->sli4_hba
.els_wq
->queue_id
);
12663 * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event
12664 * @phba: Pointer to HBA context object.
12665 * @cq: Pointer to a WQ completion queue.
12666 * @wcqe: Pointer to work-queue completion queue entry.
12668 * This routine handles an XRI abort event.
12670 * Return: true if work posted to worker thread, otherwise false.
12673 lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba
*phba
,
12674 struct lpfc_queue
*cq
,
12675 struct sli4_wcqe_xri_aborted
*wcqe
)
12677 bool workposted
= false;
12678 struct lpfc_cq_event
*cq_event
;
12679 unsigned long iflags
;
12681 /* Allocate a new internal CQ_EVENT entry */
12682 cq_event
= lpfc_sli4_cq_event_alloc(phba
);
12684 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12685 "0602 Failed to allocate CQ_EVENT entry\n");
12689 /* Move the CQE into the proper xri abort event list */
12690 memcpy(&cq_event
->cqe
, wcqe
, sizeof(struct sli4_wcqe_xri_aborted
));
12691 switch (cq
->subtype
) {
12693 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12694 list_add_tail(&cq_event
->list
,
12695 &phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
12696 /* Set the fcp xri abort event flag */
12697 phba
->hba_flag
|= FCP_XRI_ABORT_EVENT
;
12698 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12702 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12703 list_add_tail(&cq_event
->list
,
12704 &phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
12705 /* Set the els xri abort event flag */
12706 phba
->hba_flag
|= ELS_XRI_ABORT_EVENT
;
12707 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12711 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12712 "0603 Invalid work queue CQE subtype (x%x)\n",
12714 workposted
= false;
12721 * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry
12722 * @phba: Pointer to HBA context object.
12723 * @rcqe: Pointer to receive-queue completion queue entry.
12725 * This routine process a receive-queue completion queue entry.
12727 * Return: true if work posted to worker thread, otherwise false.
12730 lpfc_sli4_sp_handle_rcqe(struct lpfc_hba
*phba
, struct lpfc_rcqe
*rcqe
)
12732 bool workposted
= false;
12733 struct fc_frame_header
*fc_hdr
;
12734 struct lpfc_queue
*hrq
= phba
->sli4_hba
.hdr_rq
;
12735 struct lpfc_queue
*drq
= phba
->sli4_hba
.dat_rq
;
12736 struct hbq_dmabuf
*dma_buf
;
12737 uint32_t status
, rq_id
;
12738 unsigned long iflags
;
12740 /* sanity check on queue memory */
12741 if (unlikely(!hrq
) || unlikely(!drq
))
12744 if (bf_get(lpfc_cqe_code
, rcqe
) == CQE_CODE_RECEIVE_V1
)
12745 rq_id
= bf_get(lpfc_rcqe_rq_id_v1
, rcqe
);
12747 rq_id
= bf_get(lpfc_rcqe_rq_id
, rcqe
);
12748 if (rq_id
!= hrq
->queue_id
)
12751 status
= bf_get(lpfc_rcqe_status
, rcqe
);
12753 case FC_STATUS_RQ_BUF_LEN_EXCEEDED
:
12754 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12755 "2537 Receive Frame Truncated!!\n");
12756 hrq
->RQ_buf_trunc
++;
12757 case FC_STATUS_RQ_SUCCESS
:
12758 lpfc_sli4_rq_release(hrq
, drq
);
12759 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12760 dma_buf
= lpfc_sli_hbqbuf_get(&phba
->hbqs
[0].hbq_buffer_list
);
12762 hrq
->RQ_no_buf_found
++;
12763 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12767 memcpy(&dma_buf
->cq_event
.cqe
.rcqe_cmpl
, rcqe
, sizeof(*rcqe
));
12769 /* If a NVME LS event (type 0x28), treat it as Fast path */
12770 fc_hdr
= (struct fc_frame_header
*)dma_buf
->hbuf
.virt
;
12772 /* save off the frame for the word thread to process */
12773 list_add_tail(&dma_buf
->cq_event
.list
,
12774 &phba
->sli4_hba
.sp_queue_event
);
12775 /* Frame received */
12776 phba
->hba_flag
|= HBA_SP_QUEUE_EVT
;
12777 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12780 case FC_STATUS_INSUFF_BUF_NEED_BUF
:
12781 case FC_STATUS_INSUFF_BUF_FRM_DISC
:
12782 hrq
->RQ_no_posted_buf
++;
12783 /* Post more buffers if possible */
12784 spin_lock_irqsave(&phba
->hbalock
, iflags
);
12785 phba
->hba_flag
|= HBA_POST_RECEIVE_BUFFER
;
12786 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
12795 * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry
12796 * @phba: Pointer to HBA context object.
12797 * @cq: Pointer to the completion queue.
12798 * @wcqe: Pointer to a completion queue entry.
12800 * This routine process a slow-path work-queue or receive queue completion queue
12803 * Return: true if work posted to worker thread, otherwise false.
12806 lpfc_sli4_sp_handle_cqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
12807 struct lpfc_cqe
*cqe
)
12809 struct lpfc_cqe cqevt
;
12810 bool workposted
= false;
12812 /* Copy the work queue CQE and convert endian order if needed */
12813 lpfc_sli_pcimem_bcopy(cqe
, &cqevt
, sizeof(struct lpfc_cqe
));
12815 /* Check and process for different type of WCQE and dispatch */
12816 switch (bf_get(lpfc_cqe_code
, &cqevt
)) {
12817 case CQE_CODE_COMPL_WQE
:
12818 /* Process the WQ/RQ complete event */
12819 phba
->last_completion_time
= jiffies
;
12820 workposted
= lpfc_sli4_sp_handle_els_wcqe(phba
, cq
,
12821 (struct lpfc_wcqe_complete
*)&cqevt
);
12823 case CQE_CODE_RELEASE_WQE
:
12824 /* Process the WQ release event */
12825 lpfc_sli4_sp_handle_rel_wcqe(phba
,
12826 (struct lpfc_wcqe_release
*)&cqevt
);
12828 case CQE_CODE_XRI_ABORTED
:
12829 /* Process the WQ XRI abort event */
12830 phba
->last_completion_time
= jiffies
;
12831 workposted
= lpfc_sli4_sp_handle_abort_xri_wcqe(phba
, cq
,
12832 (struct sli4_wcqe_xri_aborted
*)&cqevt
);
12834 case CQE_CODE_RECEIVE
:
12835 case CQE_CODE_RECEIVE_V1
:
12836 /* Process the RQ event */
12837 phba
->last_completion_time
= jiffies
;
12838 workposted
= lpfc_sli4_sp_handle_rcqe(phba
,
12839 (struct lpfc_rcqe
*)&cqevt
);
12842 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12843 "0388 Not a valid WCQE code: x%x\n",
12844 bf_get(lpfc_cqe_code
, &cqevt
));
12851 * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry
12852 * @phba: Pointer to HBA context object.
12853 * @eqe: Pointer to fast-path event queue entry.
12855 * This routine process a event queue entry from the slow-path event queue.
12856 * It will check the MajorCode and MinorCode to determine this is for a
12857 * completion event on a completion queue, if not, an error shall be logged
12858 * and just return. Otherwise, it will get to the corresponding completion
12859 * queue and process all the entries on that completion queue, rearm the
12860 * completion queue, and then return.
12864 lpfc_sli4_sp_handle_eqe(struct lpfc_hba
*phba
, struct lpfc_eqe
*eqe
,
12865 struct lpfc_queue
*speq
)
12867 struct lpfc_queue
*cq
= NULL
, *childq
;
12868 struct lpfc_cqe
*cqe
;
12869 bool workposted
= false;
12873 /* Get the reference to the corresponding CQ */
12874 cqid
= bf_get_le32(lpfc_eqe_resource_id
, eqe
);
12876 list_for_each_entry(childq
, &speq
->child_list
, list
) {
12877 if (childq
->queue_id
== cqid
) {
12882 if (unlikely(!cq
)) {
12883 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
12884 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12885 "0365 Slow-path CQ identifier "
12886 "(%d) does not exist\n", cqid
);
12890 /* Save EQ associated with this CQ */
12891 cq
->assoc_qp
= speq
;
12893 /* Process all the entries to the CQ */
12894 switch (cq
->type
) {
12896 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
12897 workposted
|= lpfc_sli4_sp_handle_mcqe(phba
, cqe
);
12898 if (!(++ecount
% cq
->entry_repost
))
12899 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
12904 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
12905 if ((cq
->subtype
== LPFC_FCP
) ||
12906 (cq
->subtype
== LPFC_NVME
))
12907 workposted
|= lpfc_sli4_fp_handle_cqe(phba
, cq
,
12910 workposted
|= lpfc_sli4_sp_handle_cqe(phba
, cq
,
12912 if (!(++ecount
% cq
->entry_repost
))
12913 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
12916 /* Track the max number of CQEs processed in 1 EQ */
12917 if (ecount
> cq
->CQ_max_cqe
)
12918 cq
->CQ_max_cqe
= ecount
;
12921 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12922 "0370 Invalid completion queue type (%d)\n",
12927 /* Catch the no cq entry condition, log an error */
12928 if (unlikely(ecount
== 0))
12929 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12930 "0371 No entry from the CQ: identifier "
12931 "(x%x), type (%d)\n", cq
->queue_id
, cq
->type
);
12933 /* In any case, flash and re-arm the RCQ */
12934 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_REARM
);
12936 /* wake up worker thread if there are works to be done */
12938 lpfc_worker_wake_up(phba
);
12942 * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry
12943 * @phba: Pointer to HBA context object.
12944 * @cq: Pointer to associated CQ
12945 * @wcqe: Pointer to work-queue completion queue entry.
12947 * This routine process a fast-path work queue completion entry from fast-path
12948 * event queue for FCP command response completion.
12951 lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
12952 struct lpfc_wcqe_complete
*wcqe
)
12954 struct lpfc_sli_ring
*pring
= cq
->pring
;
12955 struct lpfc_iocbq
*cmdiocbq
;
12956 struct lpfc_iocbq irspiocbq
;
12957 unsigned long iflags
;
12959 /* Check for response status */
12960 if (unlikely(bf_get(lpfc_wcqe_c_status
, wcqe
))) {
12961 /* If resource errors reported from HBA, reduce queue
12962 * depth of the SCSI device.
12964 if (((bf_get(lpfc_wcqe_c_status
, wcqe
) ==
12965 IOSTAT_LOCAL_REJECT
)) &&
12966 ((wcqe
->parameter
& IOERR_PARAM_MASK
) ==
12967 IOERR_NO_RESOURCES
))
12968 phba
->lpfc_rampdown_queue_depth(phba
);
12970 /* Log the error status */
12971 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
12972 "0373 FCP complete error: status=x%x, "
12973 "hw_status=x%x, total_data_specified=%d, "
12974 "parameter=x%x, word3=x%x\n",
12975 bf_get(lpfc_wcqe_c_status
, wcqe
),
12976 bf_get(lpfc_wcqe_c_hw_status
, wcqe
),
12977 wcqe
->total_data_placed
, wcqe
->parameter
,
12981 /* Look up the FCP command IOCB and create pseudo response IOCB */
12982 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
12983 pring
->stats
.iocb_event
++;
12984 cmdiocbq
= lpfc_sli_iocbq_lookup_by_tag(phba
, pring
,
12985 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
12986 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
12987 if (unlikely(!cmdiocbq
)) {
12988 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
12989 "0374 FCP complete with no corresponding "
12990 "cmdiocb: iotag (%d)\n",
12991 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
12996 cmdiocbq
->isr_timestamp
=
12997 cq
->assoc_qp
->isr_timestamp
;
12999 if (cmdiocbq
->iocb_cmpl
== NULL
) {
13000 if (cmdiocbq
->wqe_cmpl
) {
13001 if (cmdiocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
) {
13002 spin_lock_irqsave(&phba
->hbalock
, iflags
);
13003 cmdiocbq
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
13004 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
13007 /* Pass the cmd_iocb and the wcqe to the upper layer */
13008 (cmdiocbq
->wqe_cmpl
)(phba
, cmdiocbq
, wcqe
);
13011 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
13012 "0375 FCP cmdiocb not callback function "
13014 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
13018 /* Fake the irspiocb and copy necessary response information */
13019 lpfc_sli4_iocb_param_transfer(phba
, &irspiocbq
, cmdiocbq
, wcqe
);
13021 if (cmdiocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
) {
13022 spin_lock_irqsave(&phba
->hbalock
, iflags
);
13023 cmdiocbq
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
13024 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
13027 /* Pass the cmd_iocb and the rsp state to the upper layer */
13028 (cmdiocbq
->iocb_cmpl
)(phba
, cmdiocbq
, &irspiocbq
);
13032 * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event
13033 * @phba: Pointer to HBA context object.
13034 * @cq: Pointer to completion queue.
13035 * @wcqe: Pointer to work-queue completion queue entry.
13037 * This routine handles an fast-path WQ entry comsumed event by invoking the
13038 * proper WQ release routine to the slow-path WQ.
13041 lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
13042 struct lpfc_wcqe_release
*wcqe
)
13044 struct lpfc_queue
*childwq
;
13045 bool wqid_matched
= false;
13048 /* Check for fast-path FCP work queue release */
13049 hba_wqid
= bf_get(lpfc_wcqe_r_wq_id
, wcqe
);
13050 list_for_each_entry(childwq
, &cq
->child_list
, list
) {
13051 if (childwq
->queue_id
== hba_wqid
) {
13052 lpfc_sli4_wq_release(childwq
,
13053 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
));
13054 wqid_matched
= true;
13058 /* Report warning log message if no match found */
13059 if (wqid_matched
!= true)
13060 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
13061 "2580 Fast-path wqe consume event carries "
13062 "miss-matched qid: wcqe-qid=x%x\n", hba_wqid
);
13066 * lpfc_sli4_nvmet_handle_rcqe - Process a receive-queue completion queue entry
13067 * @phba: Pointer to HBA context object.
13068 * @rcqe: Pointer to receive-queue completion queue entry.
13070 * This routine process a receive-queue completion queue entry.
13072 * Return: true if work posted to worker thread, otherwise false.
13075 lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
13076 struct lpfc_rcqe
*rcqe
)
13078 bool workposted
= false;
13079 struct lpfc_queue
*hrq
;
13080 struct lpfc_queue
*drq
;
13081 struct rqb_dmabuf
*dma_buf
;
13082 struct fc_frame_header
*fc_hdr
;
13083 uint32_t status
, rq_id
;
13084 unsigned long iflags
;
13085 uint32_t fctl
, idx
;
13087 if ((phba
->nvmet_support
== 0) ||
13088 (phba
->sli4_hba
.nvmet_cqset
== NULL
))
13091 idx
= cq
->queue_id
- phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
;
13092 hrq
= phba
->sli4_hba
.nvmet_mrq_hdr
[idx
];
13093 drq
= phba
->sli4_hba
.nvmet_mrq_data
[idx
];
13095 /* sanity check on queue memory */
13096 if (unlikely(!hrq
) || unlikely(!drq
))
13099 if (bf_get(lpfc_cqe_code
, rcqe
) == CQE_CODE_RECEIVE_V1
)
13100 rq_id
= bf_get(lpfc_rcqe_rq_id_v1
, rcqe
);
13102 rq_id
= bf_get(lpfc_rcqe_rq_id
, rcqe
);
13104 if ((phba
->nvmet_support
== 0) ||
13105 (rq_id
!= hrq
->queue_id
))
13108 status
= bf_get(lpfc_rcqe_status
, rcqe
);
13110 case FC_STATUS_RQ_BUF_LEN_EXCEEDED
:
13111 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13112 "6126 Receive Frame Truncated!!\n");
13113 hrq
->RQ_buf_trunc
++;
13115 case FC_STATUS_RQ_SUCCESS
:
13116 lpfc_sli4_rq_release(hrq
, drq
);
13117 spin_lock_irqsave(&phba
->hbalock
, iflags
);
13118 dma_buf
= lpfc_sli_rqbuf_get(phba
, hrq
);
13120 hrq
->RQ_no_buf_found
++;
13121 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
13124 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
13126 fc_hdr
= (struct fc_frame_header
*)dma_buf
->hbuf
.virt
;
13128 /* Just some basic sanity checks on FCP Command frame */
13129 fctl
= (fc_hdr
->fh_f_ctl
[0] << 16 |
13130 fc_hdr
->fh_f_ctl
[1] << 8 |
13131 fc_hdr
->fh_f_ctl
[2]);
13133 (FC_FC_FIRST_SEQ
| FC_FC_END_SEQ
| FC_FC_SEQ_INIT
)) !=
13134 (FC_FC_FIRST_SEQ
| FC_FC_END_SEQ
| FC_FC_SEQ_INIT
)) ||
13135 (fc_hdr
->fh_seq_cnt
!= 0)) /* 0 byte swapped is still 0 */
13138 if (fc_hdr
->fh_type
== FC_TYPE_FCP
) {
13139 dma_buf
->bytes_recv
= bf_get(lpfc_rcqe_length
, rcqe
);
13140 lpfc_nvmet_unsol_fcp_event(
13141 phba
, phba
->sli4_hba
.els_wq
->pring
, dma_buf
,
13142 cq
->assoc_qp
->isr_timestamp
);
13146 lpfc_in_buf_free(phba
, &dma_buf
->dbuf
);
13148 case FC_STATUS_INSUFF_BUF_NEED_BUF
:
13149 case FC_STATUS_INSUFF_BUF_FRM_DISC
:
13150 hrq
->RQ_no_posted_buf
++;
13151 /* Post more buffers if possible */
13152 spin_lock_irqsave(&phba
->hbalock
, iflags
);
13153 phba
->hba_flag
|= HBA_POST_RECEIVE_BUFFER
;
13154 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
13163 * lpfc_sli4_fp_handle_cqe - Process fast-path work queue completion entry
13164 * @cq: Pointer to the completion queue.
13165 * @eqe: Pointer to fast-path completion queue entry.
13167 * This routine process a fast-path work queue completion entry from fast-path
13168 * event queue for FCP command response completion.
13171 lpfc_sli4_fp_handle_cqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
13172 struct lpfc_cqe
*cqe
)
13174 struct lpfc_wcqe_release wcqe
;
13175 bool workposted
= false;
13177 /* Copy the work queue CQE and convert endian order if needed */
13178 lpfc_sli_pcimem_bcopy(cqe
, &wcqe
, sizeof(struct lpfc_cqe
));
13180 /* Check and process for different type of WCQE and dispatch */
13181 switch (bf_get(lpfc_wcqe_c_code
, &wcqe
)) {
13182 case CQE_CODE_COMPL_WQE
:
13183 case CQE_CODE_NVME_ERSP
:
13185 /* Process the WQ complete event */
13186 phba
->last_completion_time
= jiffies
;
13187 if ((cq
->subtype
== LPFC_FCP
) || (cq
->subtype
== LPFC_NVME
))
13188 lpfc_sli4_fp_handle_fcp_wcqe(phba
, cq
,
13189 (struct lpfc_wcqe_complete
*)&wcqe
);
13190 if (cq
->subtype
== LPFC_NVME_LS
)
13191 lpfc_sli4_fp_handle_fcp_wcqe(phba
, cq
,
13192 (struct lpfc_wcqe_complete
*)&wcqe
);
13194 case CQE_CODE_RELEASE_WQE
:
13195 cq
->CQ_release_wqe
++;
13196 /* Process the WQ release event */
13197 lpfc_sli4_fp_handle_rel_wcqe(phba
, cq
,
13198 (struct lpfc_wcqe_release
*)&wcqe
);
13200 case CQE_CODE_XRI_ABORTED
:
13201 cq
->CQ_xri_aborted
++;
13202 /* Process the WQ XRI abort event */
13203 phba
->last_completion_time
= jiffies
;
13204 workposted
= lpfc_sli4_sp_handle_abort_xri_wcqe(phba
, cq
,
13205 (struct sli4_wcqe_xri_aborted
*)&wcqe
);
13207 case CQE_CODE_RECEIVE_V1
:
13208 case CQE_CODE_RECEIVE
:
13209 phba
->last_completion_time
= jiffies
;
13210 if (cq
->subtype
== LPFC_NVMET
) {
13211 workposted
= lpfc_sli4_nvmet_handle_rcqe(
13212 phba
, cq
, (struct lpfc_rcqe
*)&wcqe
);
13216 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13217 "0144 Not a valid CQE code: x%x\n",
13218 bf_get(lpfc_wcqe_c_code
, &wcqe
));
13225 * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry
13226 * @phba: Pointer to HBA context object.
13227 * @eqe: Pointer to fast-path event queue entry.
13229 * This routine process a event queue entry from the fast-path event queue.
13230 * It will check the MajorCode and MinorCode to determine this is for a
13231 * completion event on a completion queue, if not, an error shall be logged
13232 * and just return. Otherwise, it will get to the corresponding completion
13233 * queue and process all the entries on the completion queue, rearm the
13234 * completion queue, and then return.
13237 lpfc_sli4_hba_handle_eqe(struct lpfc_hba
*phba
, struct lpfc_eqe
*eqe
,
13240 struct lpfc_queue
*cq
= NULL
;
13241 struct lpfc_cqe
*cqe
;
13242 bool workposted
= false;
13246 if (unlikely(bf_get_le32(lpfc_eqe_major_code
, eqe
) != 0)) {
13247 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13248 "0366 Not a valid completion "
13249 "event: majorcode=x%x, minorcode=x%x\n",
13250 bf_get_le32(lpfc_eqe_major_code
, eqe
),
13251 bf_get_le32(lpfc_eqe_minor_code
, eqe
));
13255 /* Get the reference to the corresponding CQ */
13256 cqid
= bf_get_le32(lpfc_eqe_resource_id
, eqe
);
13258 if (phba
->cfg_nvmet_mrq
&& phba
->sli4_hba
.nvmet_cqset
) {
13259 id
= phba
->sli4_hba
.nvmet_cqset
[0]->queue_id
;
13260 if ((cqid
>= id
) && (cqid
< (id
+ phba
->cfg_nvmet_mrq
))) {
13261 /* Process NVMET unsol rcv */
13262 cq
= phba
->sli4_hba
.nvmet_cqset
[cqid
- id
];
13267 if (phba
->sli4_hba
.nvme_cq_map
&&
13268 (cqid
== phba
->sli4_hba
.nvme_cq_map
[qidx
])) {
13269 /* Process NVME / NVMET command completion */
13270 cq
= phba
->sli4_hba
.nvme_cq
[qidx
];
13274 if (phba
->sli4_hba
.fcp_cq_map
&&
13275 (cqid
== phba
->sli4_hba
.fcp_cq_map
[qidx
])) {
13276 /* Process FCP command completion */
13277 cq
= phba
->sli4_hba
.fcp_cq
[qidx
];
13281 if (phba
->sli4_hba
.nvmels_cq
&&
13282 (cqid
== phba
->sli4_hba
.nvmels_cq
->queue_id
)) {
13283 /* Process NVME unsol rcv */
13284 cq
= phba
->sli4_hba
.nvmels_cq
;
13287 /* Otherwise this is a Slow path event */
13289 lpfc_sli4_sp_handle_eqe(phba
, eqe
, phba
->sli4_hba
.hba_eq
[qidx
]);
13294 if (unlikely(cqid
!= cq
->queue_id
)) {
13295 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13296 "0368 Miss-matched fast-path completion "
13297 "queue identifier: eqcqid=%d, fcpcqid=%d\n",
13298 cqid
, cq
->queue_id
);
13302 /* Save EQ associated with this CQ */
13303 cq
->assoc_qp
= phba
->sli4_hba
.hba_eq
[qidx
];
13305 /* Process all the entries to the CQ */
13306 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
13307 workposted
|= lpfc_sli4_fp_handle_cqe(phba
, cq
, cqe
);
13308 if (!(++ecount
% cq
->entry_repost
))
13309 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
13312 /* Track the max number of CQEs processed in 1 EQ */
13313 if (ecount
> cq
->CQ_max_cqe
)
13314 cq
->CQ_max_cqe
= ecount
;
13316 /* Catch the no cq entry condition */
13317 if (unlikely(ecount
== 0))
13318 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13319 "0369 No entry from fast-path completion "
13320 "queue fcpcqid=%d\n", cq
->queue_id
);
13322 /* In any case, flash and re-arm the CQ */
13323 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_REARM
);
13325 /* wake up worker thread if there are works to be done */
13327 lpfc_worker_wake_up(phba
);
13331 lpfc_sli4_eq_flush(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
)
13333 struct lpfc_eqe
*eqe
;
13335 /* walk all the EQ entries and drop on the floor */
13336 while ((eqe
= lpfc_sli4_eq_get(eq
)))
13339 /* Clear and re-arm the EQ */
13340 lpfc_sli4_eq_release(eq
, LPFC_QUEUE_REARM
);
13345 * lpfc_sli4_fof_handle_eqe - Process a Flash Optimized Fabric event queue
13347 * @phba: Pointer to HBA context object.
13348 * @eqe: Pointer to fast-path event queue entry.
13350 * This routine process a event queue entry from the Flash Optimized Fabric
13351 * event queue. It will check the MajorCode and MinorCode to determine this
13352 * is for a completion event on a completion queue, if not, an error shall be
13353 * logged and just return. Otherwise, it will get to the corresponding
13354 * completion queue and process all the entries on the completion queue, rearm
13355 * the completion queue, and then return.
13358 lpfc_sli4_fof_handle_eqe(struct lpfc_hba
*phba
, struct lpfc_eqe
*eqe
)
13360 struct lpfc_queue
*cq
;
13361 struct lpfc_cqe
*cqe
;
13362 bool workposted
= false;
13366 if (unlikely(bf_get_le32(lpfc_eqe_major_code
, eqe
) != 0)) {
13367 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13368 "9147 Not a valid completion "
13369 "event: majorcode=x%x, minorcode=x%x\n",
13370 bf_get_le32(lpfc_eqe_major_code
, eqe
),
13371 bf_get_le32(lpfc_eqe_minor_code
, eqe
));
13375 /* Get the reference to the corresponding CQ */
13376 cqid
= bf_get_le32(lpfc_eqe_resource_id
, eqe
);
13378 /* Next check for OAS */
13379 cq
= phba
->sli4_hba
.oas_cq
;
13380 if (unlikely(!cq
)) {
13381 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
13382 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13383 "9148 OAS completion queue "
13384 "does not exist\n");
13388 if (unlikely(cqid
!= cq
->queue_id
)) {
13389 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13390 "9149 Miss-matched fast-path compl "
13391 "queue id: eqcqid=%d, fcpcqid=%d\n",
13392 cqid
, cq
->queue_id
);
13396 /* Process all the entries to the OAS CQ */
13397 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
13398 workposted
|= lpfc_sli4_fp_handle_cqe(phba
, cq
, cqe
);
13399 if (!(++ecount
% cq
->entry_repost
))
13400 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
13403 /* Track the max number of CQEs processed in 1 EQ */
13404 if (ecount
> cq
->CQ_max_cqe
)
13405 cq
->CQ_max_cqe
= ecount
;
13407 /* Catch the no cq entry condition */
13408 if (unlikely(ecount
== 0))
13409 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13410 "9153 No entry from fast-path completion "
13411 "queue fcpcqid=%d\n", cq
->queue_id
);
13413 /* In any case, flash and re-arm the CQ */
13414 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_REARM
);
13416 /* wake up worker thread if there are works to be done */
13418 lpfc_worker_wake_up(phba
);
13422 * lpfc_sli4_fof_intr_handler - HBA interrupt handler to SLI-4 device
13423 * @irq: Interrupt number.
13424 * @dev_id: The device context pointer.
13426 * This function is directly called from the PCI layer as an interrupt
13427 * service routine when device with SLI-4 interface spec is enabled with
13428 * MSI-X multi-message interrupt mode and there is a Flash Optimized Fabric
13429 * IOCB ring event in the HBA. However, when the device is enabled with either
13430 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
13431 * device-level interrupt handler. When the PCI slot is in error recovery
13432 * or the HBA is undergoing initialization, the interrupt handler will not
13433 * process the interrupt. The Flash Optimized Fabric ring event are handled in
13434 * the intrrupt context. This function is called without any lock held.
13435 * It gets the hbalock to access and update SLI data structures. Note that,
13436 * the EQ to CQ are one-to-one map such that the EQ index is
13437 * equal to that of CQ index.
13439 * This function returns IRQ_HANDLED when interrupt is handled else it
13440 * returns IRQ_NONE.
13443 lpfc_sli4_fof_intr_handler(int irq
, void *dev_id
)
13445 struct lpfc_hba
*phba
;
13446 struct lpfc_hba_eq_hdl
*hba_eq_hdl
;
13447 struct lpfc_queue
*eq
;
13448 struct lpfc_eqe
*eqe
;
13449 unsigned long iflag
;
13452 /* Get the driver's phba structure from the dev_id */
13453 hba_eq_hdl
= (struct lpfc_hba_eq_hdl
*)dev_id
;
13454 phba
= hba_eq_hdl
->phba
;
13456 if (unlikely(!phba
))
13459 /* Get to the EQ struct associated with this vector */
13460 eq
= phba
->sli4_hba
.fof_eq
;
13464 /* Check device state for handling interrupt */
13465 if (unlikely(lpfc_intr_state_check(phba
))) {
13467 /* Check again for link_state with lock held */
13468 spin_lock_irqsave(&phba
->hbalock
, iflag
);
13469 if (phba
->link_state
< LPFC_LINK_DOWN
)
13470 /* Flush, clear interrupt, and rearm the EQ */
13471 lpfc_sli4_eq_flush(phba
, eq
);
13472 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
13477 * Process all the event on FCP fast-path EQ
13479 while ((eqe
= lpfc_sli4_eq_get(eq
))) {
13480 lpfc_sli4_fof_handle_eqe(phba
, eqe
);
13481 if (!(++ecount
% eq
->entry_repost
))
13482 lpfc_sli4_eq_release(eq
, LPFC_QUEUE_NOARM
);
13483 eq
->EQ_processed
++;
13486 /* Track the max number of EQEs processed in 1 intr */
13487 if (ecount
> eq
->EQ_max_eqe
)
13488 eq
->EQ_max_eqe
= ecount
;
13491 if (unlikely(ecount
== 0)) {
13494 if (phba
->intr_type
== MSIX
)
13495 /* MSI-X treated interrupt served as no EQ share INT */
13496 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
13497 "9145 MSI-X interrupt with no EQE\n");
13499 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13500 "9146 ISR interrupt with no EQE\n");
13501 /* Non MSI-X treated on interrupt as EQ share INT */
13505 /* Always clear and re-arm the fast-path EQ */
13506 lpfc_sli4_eq_release(eq
, LPFC_QUEUE_REARM
);
13507 return IRQ_HANDLED
;
13511 * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device
13512 * @irq: Interrupt number.
13513 * @dev_id: The device context pointer.
13515 * This function is directly called from the PCI layer as an interrupt
13516 * service routine when device with SLI-4 interface spec is enabled with
13517 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
13518 * ring event in the HBA. However, when the device is enabled with either
13519 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
13520 * device-level interrupt handler. When the PCI slot is in error recovery
13521 * or the HBA is undergoing initialization, the interrupt handler will not
13522 * process the interrupt. The SCSI FCP fast-path ring event are handled in
13523 * the intrrupt context. This function is called without any lock held.
13524 * It gets the hbalock to access and update SLI data structures. Note that,
13525 * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is
13526 * equal to that of FCP CQ index.
13528 * The link attention and ELS ring attention events are handled
13529 * by the worker thread. The interrupt handler signals the worker thread
13530 * and returns for these events. This function is called without any lock
13531 * held. It gets the hbalock to access and update SLI data structures.
13533 * This function returns IRQ_HANDLED when interrupt is handled else it
13534 * returns IRQ_NONE.
13537 lpfc_sli4_hba_intr_handler(int irq
, void *dev_id
)
13539 struct lpfc_hba
*phba
;
13540 struct lpfc_hba_eq_hdl
*hba_eq_hdl
;
13541 struct lpfc_queue
*fpeq
;
13542 struct lpfc_eqe
*eqe
;
13543 unsigned long iflag
;
13547 /* Get the driver's phba structure from the dev_id */
13548 hba_eq_hdl
= (struct lpfc_hba_eq_hdl
*)dev_id
;
13549 phba
= hba_eq_hdl
->phba
;
13550 hba_eqidx
= hba_eq_hdl
->idx
;
13552 if (unlikely(!phba
))
13554 if (unlikely(!phba
->sli4_hba
.hba_eq
))
13557 /* Get to the EQ struct associated with this vector */
13558 fpeq
= phba
->sli4_hba
.hba_eq
[hba_eqidx
];
13559 if (unlikely(!fpeq
))
13562 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
13563 if (phba
->ktime_on
)
13564 fpeq
->isr_timestamp
= ktime_get_ns();
13567 if (lpfc_fcp_look_ahead
) {
13568 if (atomic_dec_and_test(&hba_eq_hdl
->hba_eq_in_use
))
13569 lpfc_sli4_eq_clr_intr(fpeq
);
13571 atomic_inc(&hba_eq_hdl
->hba_eq_in_use
);
13576 /* Check device state for handling interrupt */
13577 if (unlikely(lpfc_intr_state_check(phba
))) {
13578 fpeq
->EQ_badstate
++;
13579 /* Check again for link_state with lock held */
13580 spin_lock_irqsave(&phba
->hbalock
, iflag
);
13581 if (phba
->link_state
< LPFC_LINK_DOWN
)
13582 /* Flush, clear interrupt, and rearm the EQ */
13583 lpfc_sli4_eq_flush(phba
, fpeq
);
13584 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
13585 if (lpfc_fcp_look_ahead
)
13586 atomic_inc(&hba_eq_hdl
->hba_eq_in_use
);
13591 * Process all the event on FCP fast-path EQ
13593 while ((eqe
= lpfc_sli4_eq_get(fpeq
))) {
13597 lpfc_sli4_hba_handle_eqe(phba
, eqe
, hba_eqidx
);
13598 if (!(++ecount
% fpeq
->entry_repost
))
13599 lpfc_sli4_eq_release(fpeq
, LPFC_QUEUE_NOARM
);
13600 fpeq
->EQ_processed
++;
13603 /* Track the max number of EQEs processed in 1 intr */
13604 if (ecount
> fpeq
->EQ_max_eqe
)
13605 fpeq
->EQ_max_eqe
= ecount
;
13607 /* Always clear and re-arm the fast-path EQ */
13608 lpfc_sli4_eq_release(fpeq
, LPFC_QUEUE_REARM
);
13610 if (unlikely(ecount
== 0)) {
13611 fpeq
->EQ_no_entry
++;
13613 if (lpfc_fcp_look_ahead
) {
13614 atomic_inc(&hba_eq_hdl
->hba_eq_in_use
);
13618 if (phba
->intr_type
== MSIX
)
13619 /* MSI-X treated interrupt served as no EQ share INT */
13620 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
13621 "0358 MSI-X interrupt with no EQE\n");
13623 /* Non MSI-X treated on interrupt as EQ share INT */
13627 if (lpfc_fcp_look_ahead
)
13628 atomic_inc(&hba_eq_hdl
->hba_eq_in_use
);
13630 return IRQ_HANDLED
;
13631 } /* lpfc_sli4_fp_intr_handler */
13634 * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device
13635 * @irq: Interrupt number.
13636 * @dev_id: The device context pointer.
13638 * This function is the device-level interrupt handler to device with SLI-4
13639 * interface spec, called from the PCI layer when either MSI or Pin-IRQ
13640 * interrupt mode is enabled and there is an event in the HBA which requires
13641 * driver attention. This function invokes the slow-path interrupt attention
13642 * handling function and fast-path interrupt attention handling function in
13643 * turn to process the relevant HBA attention events. This function is called
13644 * without any lock held. It gets the hbalock to access and update SLI data
13647 * This function returns IRQ_HANDLED when interrupt is handled, else it
13648 * returns IRQ_NONE.
13651 lpfc_sli4_intr_handler(int irq
, void *dev_id
)
13653 struct lpfc_hba
*phba
;
13654 irqreturn_t hba_irq_rc
;
13655 bool hba_handled
= false;
13658 /* Get the driver's phba structure from the dev_id */
13659 phba
= (struct lpfc_hba
*)dev_id
;
13661 if (unlikely(!phba
))
13665 * Invoke fast-path host attention interrupt handling as appropriate.
13667 for (qidx
= 0; qidx
< phba
->io_channel_irqs
; qidx
++) {
13668 hba_irq_rc
= lpfc_sli4_hba_intr_handler(irq
,
13669 &phba
->sli4_hba
.hba_eq_hdl
[qidx
]);
13670 if (hba_irq_rc
== IRQ_HANDLED
)
13671 hba_handled
|= true;
13674 if (phba
->cfg_fof
) {
13675 hba_irq_rc
= lpfc_sli4_fof_intr_handler(irq
,
13676 &phba
->sli4_hba
.hba_eq_hdl
[qidx
]);
13677 if (hba_irq_rc
== IRQ_HANDLED
)
13678 hba_handled
|= true;
13681 return (hba_handled
== true) ? IRQ_HANDLED
: IRQ_NONE
;
13682 } /* lpfc_sli4_intr_handler */
13685 * lpfc_sli4_queue_free - free a queue structure and associated memory
13686 * @queue: The queue structure to free.
13688 * This function frees a queue structure and the DMAable memory used for
13689 * the host resident queue. This function must be called after destroying the
13690 * queue on the HBA.
13693 lpfc_sli4_queue_free(struct lpfc_queue
*queue
)
13695 struct lpfc_dmabuf
*dmabuf
;
13700 while (!list_empty(&queue
->page_list
)) {
13701 list_remove_head(&queue
->page_list
, dmabuf
, struct lpfc_dmabuf
,
13703 dma_free_coherent(&queue
->phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
13704 dmabuf
->virt
, dmabuf
->phys
);
13708 lpfc_free_rq_buffer(queue
->phba
, queue
);
13709 kfree(queue
->rqbp
);
13711 kfree(queue
->pring
);
13717 * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure
13718 * @phba: The HBA that this queue is being created on.
13719 * @entry_size: The size of each queue entry for this queue.
13720 * @entry count: The number of entries that this queue will handle.
13722 * This function allocates a queue structure and the DMAable memory used for
13723 * the host resident queue. This function must be called before creating the
13724 * queue on the HBA.
13726 struct lpfc_queue
*
13727 lpfc_sli4_queue_alloc(struct lpfc_hba
*phba
, uint32_t entry_size
,
13728 uint32_t entry_count
)
13730 struct lpfc_queue
*queue
;
13731 struct lpfc_dmabuf
*dmabuf
;
13732 int x
, total_qe_count
;
13734 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
13736 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
13737 hw_page_size
= SLI4_PAGE_SIZE
;
13739 queue
= kzalloc(sizeof(struct lpfc_queue
) +
13740 (sizeof(union sli4_qe
) * entry_count
), GFP_KERNEL
);
13743 queue
->page_count
= (ALIGN(entry_size
* entry_count
,
13744 hw_page_size
))/hw_page_size
;
13746 /* If needed, Adjust page count to match the max the adapter supports */
13747 if (queue
->page_count
> phba
->sli4_hba
.pc_sli4_params
.wqpcnt
)
13748 queue
->page_count
= phba
->sli4_hba
.pc_sli4_params
.wqpcnt
;
13750 INIT_LIST_HEAD(&queue
->list
);
13751 INIT_LIST_HEAD(&queue
->wq_list
);
13752 INIT_LIST_HEAD(&queue
->page_list
);
13753 INIT_LIST_HEAD(&queue
->child_list
);
13754 for (x
= 0, total_qe_count
= 0; x
< queue
->page_count
; x
++) {
13755 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
13758 dmabuf
->virt
= dma_zalloc_coherent(&phba
->pcidev
->dev
,
13759 hw_page_size
, &dmabuf
->phys
,
13761 if (!dmabuf
->virt
) {
13765 dmabuf
->buffer_tag
= x
;
13766 list_add_tail(&dmabuf
->list
, &queue
->page_list
);
13767 /* initialize queue's entry array */
13768 dma_pointer
= dmabuf
->virt
;
13769 for (; total_qe_count
< entry_count
&&
13770 dma_pointer
< (hw_page_size
+ dmabuf
->virt
);
13771 total_qe_count
++, dma_pointer
+= entry_size
) {
13772 queue
->qe
[total_qe_count
].address
= dma_pointer
;
13775 queue
->entry_size
= entry_size
;
13776 queue
->entry_count
= entry_count
;
13779 * entry_repost is calculated based on the number of entries in the
13780 * queue. This works out except for RQs. If buffers are NOT initially
13781 * posted for every RQE, entry_repost should be adjusted accordingly.
13783 queue
->entry_repost
= (entry_count
>> 3);
13784 if (queue
->entry_repost
< LPFC_QUEUE_MIN_REPOST
)
13785 queue
->entry_repost
= LPFC_QUEUE_MIN_REPOST
;
13786 queue
->phba
= phba
;
13790 lpfc_sli4_queue_free(queue
);
13795 * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory
13796 * @phba: HBA structure that indicates port to create a queue on.
13797 * @pci_barset: PCI BAR set flag.
13799 * This function shall perform iomap of the specified PCI BAR address to host
13800 * memory address if not already done so and return it. The returned host
13801 * memory address can be NULL.
13803 static void __iomem
*
13804 lpfc_dual_chute_pci_bar_map(struct lpfc_hba
*phba
, uint16_t pci_barset
)
13809 switch (pci_barset
) {
13810 case WQ_PCI_BAR_0_AND_1
:
13811 return phba
->pci_bar0_memmap_p
;
13812 case WQ_PCI_BAR_2_AND_3
:
13813 return phba
->pci_bar2_memmap_p
;
13814 case WQ_PCI_BAR_4_AND_5
:
13815 return phba
->pci_bar4_memmap_p
;
13823 * lpfc_modify_hba_eq_delay - Modify Delay Multiplier on FCP EQs
13824 * @phba: HBA structure that indicates port to create a queue on.
13825 * @startq: The starting FCP EQ to modify
13827 * This function sends an MODIFY_EQ_DELAY mailbox command to the HBA.
13829 * The @phba struct is used to send mailbox command to HBA. The @startq
13830 * is used to get the starting FCP EQ to change.
13831 * This function is asynchronous and will wait for the mailbox
13832 * command to finish before continuing.
13834 * On success this function will return a zero. If unable to allocate enough
13835 * memory this function will return -ENOMEM. If the queue create mailbox command
13836 * fails this function will return -ENXIO.
13839 lpfc_modify_hba_eq_delay(struct lpfc_hba
*phba
, uint32_t startq
)
13841 struct lpfc_mbx_modify_eq_delay
*eq_delay
;
13842 LPFC_MBOXQ_t
*mbox
;
13843 struct lpfc_queue
*eq
;
13844 int cnt
, rc
, length
, status
= 0;
13845 uint32_t shdr_status
, shdr_add_status
;
13848 union lpfc_sli4_cfg_shdr
*shdr
;
13851 if (startq
>= phba
->io_channel_irqs
)
13854 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
13857 length
= (sizeof(struct lpfc_mbx_modify_eq_delay
) -
13858 sizeof(struct lpfc_sli4_cfg_mhdr
));
13859 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
13860 LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY
,
13861 length
, LPFC_SLI4_MBX_EMBED
);
13862 eq_delay
= &mbox
->u
.mqe
.un
.eq_delay
;
13864 /* Calculate delay multiper from maximum interrupt per second */
13865 result
= phba
->cfg_fcp_imax
/ phba
->io_channel_irqs
;
13866 if (result
> LPFC_DMULT_CONST
|| result
== 0)
13869 dmult
= LPFC_DMULT_CONST
/result
- 1;
13872 for (qidx
= startq
; qidx
< phba
->io_channel_irqs
; qidx
++) {
13873 eq
= phba
->sli4_hba
.hba_eq
[qidx
];
13876 eq_delay
->u
.request
.eq
[cnt
].eq_id
= eq
->queue_id
;
13877 eq_delay
->u
.request
.eq
[cnt
].phase
= 0;
13878 eq_delay
->u
.request
.eq
[cnt
].delay_multi
= dmult
;
13880 if (cnt
>= LPFC_MAX_EQ_DELAY
)
13883 eq_delay
->u
.request
.num_eq
= cnt
;
13885 mbox
->vport
= phba
->pport
;
13886 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
13887 mbox
->context1
= NULL
;
13888 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13889 shdr
= (union lpfc_sli4_cfg_shdr
*) &eq_delay
->header
.cfg_shdr
;
13890 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13891 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13892 if (shdr_status
|| shdr_add_status
|| rc
) {
13893 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13894 "2512 MODIFY_EQ_DELAY mailbox failed with "
13895 "status x%x add_status x%x, mbx status x%x\n",
13896 shdr_status
, shdr_add_status
, rc
);
13899 mempool_free(mbox
, phba
->mbox_mem_pool
);
13904 * lpfc_eq_create - Create an Event Queue on the HBA
13905 * @phba: HBA structure that indicates port to create a queue on.
13906 * @eq: The queue structure to use to create the event queue.
13907 * @imax: The maximum interrupt per second limit.
13909 * This function creates an event queue, as detailed in @eq, on a port,
13910 * described by @phba by sending an EQ_CREATE mailbox command to the HBA.
13912 * The @phba struct is used to send mailbox command to HBA. The @eq struct
13913 * is used to get the entry count and entry size that are necessary to
13914 * determine the number of pages to allocate and use for this queue. This
13915 * function will send the EQ_CREATE mailbox command to the HBA to setup the
13916 * event queue. This function is asynchronous and will wait for the mailbox
13917 * command to finish before continuing.
13919 * On success this function will return a zero. If unable to allocate enough
13920 * memory this function will return -ENOMEM. If the queue create mailbox command
13921 * fails this function will return -ENXIO.
13924 lpfc_eq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
, uint32_t imax
)
13926 struct lpfc_mbx_eq_create
*eq_create
;
13927 LPFC_MBOXQ_t
*mbox
;
13928 int rc
, length
, status
= 0;
13929 struct lpfc_dmabuf
*dmabuf
;
13930 uint32_t shdr_status
, shdr_add_status
;
13931 union lpfc_sli4_cfg_shdr
*shdr
;
13933 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
13935 /* sanity check on queue memory */
13938 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
13939 hw_page_size
= SLI4_PAGE_SIZE
;
13941 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
13944 length
= (sizeof(struct lpfc_mbx_eq_create
) -
13945 sizeof(struct lpfc_sli4_cfg_mhdr
));
13946 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
13947 LPFC_MBOX_OPCODE_EQ_CREATE
,
13948 length
, LPFC_SLI4_MBX_EMBED
);
13949 eq_create
= &mbox
->u
.mqe
.un
.eq_create
;
13950 bf_set(lpfc_mbx_eq_create_num_pages
, &eq_create
->u
.request
,
13952 bf_set(lpfc_eq_context_size
, &eq_create
->u
.request
.context
,
13954 bf_set(lpfc_eq_context_valid
, &eq_create
->u
.request
.context
, 1);
13955 /* don't setup delay multiplier using EQ_CREATE */
13957 bf_set(lpfc_eq_context_delay_multi
, &eq_create
->u
.request
.context
,
13959 switch (eq
->entry_count
) {
13961 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13962 "0360 Unsupported EQ count. (%d)\n",
13964 if (eq
->entry_count
< 256)
13966 /* otherwise default to smallest count (drop through) */
13968 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
13972 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
13976 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
13980 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
13984 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
13988 list_for_each_entry(dmabuf
, &eq
->page_list
, list
) {
13989 memset(dmabuf
->virt
, 0, hw_page_size
);
13990 eq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
13991 putPaddrLow(dmabuf
->phys
);
13992 eq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
13993 putPaddrHigh(dmabuf
->phys
);
13995 mbox
->vport
= phba
->pport
;
13996 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
13997 mbox
->context1
= NULL
;
13998 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13999 shdr
= (union lpfc_sli4_cfg_shdr
*) &eq_create
->header
.cfg_shdr
;
14000 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14001 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14002 if (shdr_status
|| shdr_add_status
|| rc
) {
14003 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14004 "2500 EQ_CREATE mailbox failed with "
14005 "status x%x add_status x%x, mbx status x%x\n",
14006 shdr_status
, shdr_add_status
, rc
);
14009 eq
->type
= LPFC_EQ
;
14010 eq
->subtype
= LPFC_NONE
;
14011 eq
->queue_id
= bf_get(lpfc_mbx_eq_create_q_id
, &eq_create
->u
.response
);
14012 if (eq
->queue_id
== 0xFFFF)
14014 eq
->host_index
= 0;
14017 mempool_free(mbox
, phba
->mbox_mem_pool
);
14022 * lpfc_cq_create - Create a Completion Queue on the HBA
14023 * @phba: HBA structure that indicates port to create a queue on.
14024 * @cq: The queue structure to use to create the completion queue.
14025 * @eq: The event queue to bind this completion queue to.
14027 * This function creates a completion queue, as detailed in @wq, on a port,
14028 * described by @phba by sending a CQ_CREATE mailbox command to the HBA.
14030 * The @phba struct is used to send mailbox command to HBA. The @cq struct
14031 * is used to get the entry count and entry size that are necessary to
14032 * determine the number of pages to allocate and use for this queue. The @eq
14033 * is used to indicate which event queue to bind this completion queue to. This
14034 * function will send the CQ_CREATE mailbox command to the HBA to setup the
14035 * completion queue. This function is asynchronous and will wait for the mailbox
14036 * command to finish before continuing.
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.
14043 lpfc_cq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
14044 struct lpfc_queue
*eq
, uint32_t type
, uint32_t subtype
)
14046 struct lpfc_mbx_cq_create
*cq_create
;
14047 struct lpfc_dmabuf
*dmabuf
;
14048 LPFC_MBOXQ_t
*mbox
;
14049 int rc
, length
, status
= 0;
14050 uint32_t shdr_status
, shdr_add_status
;
14051 union lpfc_sli4_cfg_shdr
*shdr
;
14052 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
14054 /* sanity check on queue memory */
14057 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
14058 hw_page_size
= SLI4_PAGE_SIZE
;
14060 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14063 length
= (sizeof(struct lpfc_mbx_cq_create
) -
14064 sizeof(struct lpfc_sli4_cfg_mhdr
));
14065 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
14066 LPFC_MBOX_OPCODE_CQ_CREATE
,
14067 length
, LPFC_SLI4_MBX_EMBED
);
14068 cq_create
= &mbox
->u
.mqe
.un
.cq_create
;
14069 shdr
= (union lpfc_sli4_cfg_shdr
*) &cq_create
->header
.cfg_shdr
;
14070 bf_set(lpfc_mbx_cq_create_num_pages
, &cq_create
->u
.request
,
14072 bf_set(lpfc_cq_context_event
, &cq_create
->u
.request
.context
, 1);
14073 bf_set(lpfc_cq_context_valid
, &cq_create
->u
.request
.context
, 1);
14074 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
14075 phba
->sli4_hba
.pc_sli4_params
.cqv
);
14076 if (phba
->sli4_hba
.pc_sli4_params
.cqv
== LPFC_Q_CREATE_VERSION_2
) {
14077 /* FW only supports 1. Should be PAGE_SIZE/SLI4_PAGE_SIZE */
14078 bf_set(lpfc_mbx_cq_create_page_size
, &cq_create
->u
.request
, 1);
14079 bf_set(lpfc_cq_eq_id_2
, &cq_create
->u
.request
.context
,
14082 bf_set(lpfc_cq_eq_id
, &cq_create
->u
.request
.context
,
14085 switch (cq
->entry_count
) {
14087 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14088 "0361 Unsupported CQ count: "
14089 "entry cnt %d sz %d pg cnt %d repost %d\n",
14090 cq
->entry_count
, cq
->entry_size
,
14091 cq
->page_count
, cq
->entry_repost
);
14092 if (cq
->entry_count
< 256) {
14096 /* otherwise default to smallest count (drop through) */
14098 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
14102 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
14106 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
14110 list_for_each_entry(dmabuf
, &cq
->page_list
, list
) {
14111 memset(dmabuf
->virt
, 0, hw_page_size
);
14112 cq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
14113 putPaddrLow(dmabuf
->phys
);
14114 cq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
14115 putPaddrHigh(dmabuf
->phys
);
14117 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
14119 /* The IOCTL status is embedded in the mailbox subheader. */
14120 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14121 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14122 if (shdr_status
|| shdr_add_status
|| rc
) {
14123 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14124 "2501 CQ_CREATE mailbox failed with "
14125 "status x%x add_status x%x, mbx status x%x\n",
14126 shdr_status
, shdr_add_status
, rc
);
14130 cq
->queue_id
= bf_get(lpfc_mbx_cq_create_q_id
, &cq_create
->u
.response
);
14131 if (cq
->queue_id
== 0xFFFF) {
14135 /* link the cq onto the parent eq child list */
14136 list_add_tail(&cq
->list
, &eq
->child_list
);
14137 /* Set up completion queue's type and subtype */
14139 cq
->subtype
= subtype
;
14140 cq
->queue_id
= bf_get(lpfc_mbx_cq_create_q_id
, &cq_create
->u
.response
);
14141 cq
->assoc_qid
= eq
->queue_id
;
14142 cq
->host_index
= 0;
14146 mempool_free(mbox
, phba
->mbox_mem_pool
);
14151 * lpfc_cq_create_set - Create a set of Completion Queues on the HBA for MRQ
14152 * @phba: HBA structure that indicates port to create a queue on.
14153 * @cqp: The queue structure array to use to create the completion queues.
14154 * @eqp: The event queue array to bind these completion queues to.
14156 * This function creates a set of completion queue, s to support MRQ
14157 * as detailed in @cqp, on a port,
14158 * described by @phba by sending a CREATE_CQ_SET mailbox command to the HBA.
14160 * The @phba struct is used to send mailbox command to HBA. The @cq struct
14161 * is used to get the entry count and entry size that are necessary to
14162 * determine the number of pages to allocate and use for this queue. The @eq
14163 * is used to indicate which event queue to bind this completion queue to. This
14164 * function will send the CREATE_CQ_SET mailbox command to the HBA to setup the
14165 * completion queue. This function is asynchronous and will wait for the mailbox
14166 * command to finish before continuing.
14168 * On success this function will return a zero. If unable to allocate enough
14169 * memory this function will return -ENOMEM. If the queue create mailbox command
14170 * fails this function will return -ENXIO.
14173 lpfc_cq_create_set(struct lpfc_hba
*phba
, struct lpfc_queue
**cqp
,
14174 struct lpfc_queue
**eqp
, uint32_t type
, uint32_t subtype
)
14176 struct lpfc_queue
*cq
;
14177 struct lpfc_queue
*eq
;
14178 struct lpfc_mbx_cq_create_set
*cq_set
;
14179 struct lpfc_dmabuf
*dmabuf
;
14180 LPFC_MBOXQ_t
*mbox
;
14181 int rc
, length
, alloclen
, status
= 0;
14182 int cnt
, idx
, numcq
, page_idx
= 0;
14183 uint32_t shdr_status
, shdr_add_status
;
14184 union lpfc_sli4_cfg_shdr
*shdr
;
14185 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
14187 /* sanity check on queue memory */
14188 numcq
= phba
->cfg_nvmet_mrq
;
14189 if (!cqp
|| !eqp
|| !numcq
)
14191 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
14192 hw_page_size
= SLI4_PAGE_SIZE
;
14194 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14198 length
= sizeof(struct lpfc_mbx_cq_create_set
);
14199 length
+= ((numcq
* cqp
[0]->page_count
) *
14200 sizeof(struct dma_address
));
14201 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
14202 LPFC_MBOX_OPCODE_FCOE_CQ_CREATE_SET
, length
,
14203 LPFC_SLI4_MBX_NEMBED
);
14204 if (alloclen
< length
) {
14205 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14206 "3098 Allocated DMA memory size (%d) is "
14207 "less than the requested DMA memory size "
14208 "(%d)\n", alloclen
, length
);
14212 cq_set
= mbox
->sge_array
->addr
[0];
14213 shdr
= (union lpfc_sli4_cfg_shdr
*)&cq_set
->cfg_shdr
;
14214 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
, 0);
14216 for (idx
= 0; idx
< numcq
; idx
++) {
14226 bf_set(lpfc_mbx_cq_create_set_page_size
,
14227 &cq_set
->u
.request
,
14228 (hw_page_size
/ SLI4_PAGE_SIZE
));
14229 bf_set(lpfc_mbx_cq_create_set_num_pages
,
14230 &cq_set
->u
.request
, cq
->page_count
);
14231 bf_set(lpfc_mbx_cq_create_set_evt
,
14232 &cq_set
->u
.request
, 1);
14233 bf_set(lpfc_mbx_cq_create_set_valid
,
14234 &cq_set
->u
.request
, 1);
14235 bf_set(lpfc_mbx_cq_create_set_cqe_size
,
14236 &cq_set
->u
.request
, 0);
14237 bf_set(lpfc_mbx_cq_create_set_num_cq
,
14238 &cq_set
->u
.request
, numcq
);
14239 switch (cq
->entry_count
) {
14241 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14242 "3118 Bad CQ count. (%d)\n",
14244 if (cq
->entry_count
< 256) {
14248 /* otherwise default to smallest (drop thru) */
14250 bf_set(lpfc_mbx_cq_create_set_cqe_cnt
,
14251 &cq_set
->u
.request
, LPFC_CQ_CNT_256
);
14254 bf_set(lpfc_mbx_cq_create_set_cqe_cnt
,
14255 &cq_set
->u
.request
, LPFC_CQ_CNT_512
);
14258 bf_set(lpfc_mbx_cq_create_set_cqe_cnt
,
14259 &cq_set
->u
.request
, LPFC_CQ_CNT_1024
);
14262 bf_set(lpfc_mbx_cq_create_set_eq_id0
,
14263 &cq_set
->u
.request
, eq
->queue_id
);
14266 bf_set(lpfc_mbx_cq_create_set_eq_id1
,
14267 &cq_set
->u
.request
, eq
->queue_id
);
14270 bf_set(lpfc_mbx_cq_create_set_eq_id2
,
14271 &cq_set
->u
.request
, eq
->queue_id
);
14274 bf_set(lpfc_mbx_cq_create_set_eq_id3
,
14275 &cq_set
->u
.request
, eq
->queue_id
);
14278 bf_set(lpfc_mbx_cq_create_set_eq_id4
,
14279 &cq_set
->u
.request
, eq
->queue_id
);
14282 bf_set(lpfc_mbx_cq_create_set_eq_id5
,
14283 &cq_set
->u
.request
, eq
->queue_id
);
14286 bf_set(lpfc_mbx_cq_create_set_eq_id6
,
14287 &cq_set
->u
.request
, eq
->queue_id
);
14290 bf_set(lpfc_mbx_cq_create_set_eq_id7
,
14291 &cq_set
->u
.request
, eq
->queue_id
);
14294 bf_set(lpfc_mbx_cq_create_set_eq_id8
,
14295 &cq_set
->u
.request
, eq
->queue_id
);
14298 bf_set(lpfc_mbx_cq_create_set_eq_id9
,
14299 &cq_set
->u
.request
, eq
->queue_id
);
14302 bf_set(lpfc_mbx_cq_create_set_eq_id10
,
14303 &cq_set
->u
.request
, eq
->queue_id
);
14306 bf_set(lpfc_mbx_cq_create_set_eq_id11
,
14307 &cq_set
->u
.request
, eq
->queue_id
);
14310 bf_set(lpfc_mbx_cq_create_set_eq_id12
,
14311 &cq_set
->u
.request
, eq
->queue_id
);
14314 bf_set(lpfc_mbx_cq_create_set_eq_id13
,
14315 &cq_set
->u
.request
, eq
->queue_id
);
14318 bf_set(lpfc_mbx_cq_create_set_eq_id14
,
14319 &cq_set
->u
.request
, eq
->queue_id
);
14322 bf_set(lpfc_mbx_cq_create_set_eq_id15
,
14323 &cq_set
->u
.request
, eq
->queue_id
);
14327 /* link the cq onto the parent eq child list */
14328 list_add_tail(&cq
->list
, &eq
->child_list
);
14329 /* Set up completion queue's type and subtype */
14331 cq
->subtype
= subtype
;
14332 cq
->assoc_qid
= eq
->queue_id
;
14333 cq
->host_index
= 0;
14337 list_for_each_entry(dmabuf
, &cq
->page_list
, list
) {
14338 memset(dmabuf
->virt
, 0, hw_page_size
);
14339 cnt
= page_idx
+ dmabuf
->buffer_tag
;
14340 cq_set
->u
.request
.page
[cnt
].addr_lo
=
14341 putPaddrLow(dmabuf
->phys
);
14342 cq_set
->u
.request
.page
[cnt
].addr_hi
=
14343 putPaddrHigh(dmabuf
->phys
);
14349 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
14351 /* The IOCTL status is embedded in the mailbox subheader. */
14352 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14353 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14354 if (shdr_status
|| shdr_add_status
|| rc
) {
14355 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14356 "3119 CQ_CREATE_SET mailbox failed with "
14357 "status x%x add_status x%x, mbx status x%x\n",
14358 shdr_status
, shdr_add_status
, rc
);
14362 rc
= bf_get(lpfc_mbx_cq_create_set_base_id
, &cq_set
->u
.response
);
14363 if (rc
== 0xFFFF) {
14368 for (idx
= 0; idx
< numcq
; idx
++) {
14370 cq
->queue_id
= rc
+ idx
;
14374 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
14379 * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration
14380 * @phba: HBA structure that indicates port to create a queue on.
14381 * @mq: The queue structure to use to create the mailbox queue.
14382 * @mbox: An allocated pointer to type LPFC_MBOXQ_t
14383 * @cq: The completion queue to associate with this cq.
14385 * This function provides failback (fb) functionality when the
14386 * mq_create_ext fails on older FW generations. It's purpose is identical
14387 * to mq_create_ext otherwise.
14389 * This routine cannot fail as all attributes were previously accessed and
14390 * initialized in mq_create_ext.
14393 lpfc_mq_create_fb_init(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
,
14394 LPFC_MBOXQ_t
*mbox
, struct lpfc_queue
*cq
)
14396 struct lpfc_mbx_mq_create
*mq_create
;
14397 struct lpfc_dmabuf
*dmabuf
;
14400 length
= (sizeof(struct lpfc_mbx_mq_create
) -
14401 sizeof(struct lpfc_sli4_cfg_mhdr
));
14402 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
14403 LPFC_MBOX_OPCODE_MQ_CREATE
,
14404 length
, LPFC_SLI4_MBX_EMBED
);
14405 mq_create
= &mbox
->u
.mqe
.un
.mq_create
;
14406 bf_set(lpfc_mbx_mq_create_num_pages
, &mq_create
->u
.request
,
14408 bf_set(lpfc_mq_context_cq_id
, &mq_create
->u
.request
.context
,
14410 bf_set(lpfc_mq_context_valid
, &mq_create
->u
.request
.context
, 1);
14411 switch (mq
->entry_count
) {
14413 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
14414 LPFC_MQ_RING_SIZE_16
);
14417 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
14418 LPFC_MQ_RING_SIZE_32
);
14421 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
14422 LPFC_MQ_RING_SIZE_64
);
14425 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
14426 LPFC_MQ_RING_SIZE_128
);
14429 list_for_each_entry(dmabuf
, &mq
->page_list
, list
) {
14430 mq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
14431 putPaddrLow(dmabuf
->phys
);
14432 mq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
14433 putPaddrHigh(dmabuf
->phys
);
14438 * lpfc_mq_create - Create a mailbox Queue on the HBA
14439 * @phba: HBA structure that indicates port to create a queue on.
14440 * @mq: The queue structure to use to create the mailbox queue.
14441 * @cq: The completion queue to associate with this cq.
14442 * @subtype: The queue's subtype.
14444 * This function creates a mailbox queue, as detailed in @mq, on a port,
14445 * described by @phba by sending a MQ_CREATE mailbox command to the HBA.
14447 * The @phba struct is used to send mailbox command to HBA. The @cq struct
14448 * is used to get the entry count and entry size that are necessary to
14449 * determine the number of pages to allocate and use for this queue. This
14450 * function will send the MQ_CREATE mailbox command to the HBA to setup the
14451 * mailbox queue. This function is asynchronous and will wait for the mailbox
14452 * command to finish before continuing.
14454 * On success this function will return a zero. If unable to allocate enough
14455 * memory this function will return -ENOMEM. If the queue create mailbox command
14456 * fails this function will return -ENXIO.
14459 lpfc_mq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
,
14460 struct lpfc_queue
*cq
, uint32_t subtype
)
14462 struct lpfc_mbx_mq_create
*mq_create
;
14463 struct lpfc_mbx_mq_create_ext
*mq_create_ext
;
14464 struct lpfc_dmabuf
*dmabuf
;
14465 LPFC_MBOXQ_t
*mbox
;
14466 int rc
, length
, status
= 0;
14467 uint32_t shdr_status
, shdr_add_status
;
14468 union lpfc_sli4_cfg_shdr
*shdr
;
14469 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
14471 /* sanity check on queue memory */
14474 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
14475 hw_page_size
= SLI4_PAGE_SIZE
;
14477 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14480 length
= (sizeof(struct lpfc_mbx_mq_create_ext
) -
14481 sizeof(struct lpfc_sli4_cfg_mhdr
));
14482 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
14483 LPFC_MBOX_OPCODE_MQ_CREATE_EXT
,
14484 length
, LPFC_SLI4_MBX_EMBED
);
14486 mq_create_ext
= &mbox
->u
.mqe
.un
.mq_create_ext
;
14487 shdr
= (union lpfc_sli4_cfg_shdr
*) &mq_create_ext
->header
.cfg_shdr
;
14488 bf_set(lpfc_mbx_mq_create_ext_num_pages
,
14489 &mq_create_ext
->u
.request
, mq
->page_count
);
14490 bf_set(lpfc_mbx_mq_create_ext_async_evt_link
,
14491 &mq_create_ext
->u
.request
, 1);
14492 bf_set(lpfc_mbx_mq_create_ext_async_evt_fip
,
14493 &mq_create_ext
->u
.request
, 1);
14494 bf_set(lpfc_mbx_mq_create_ext_async_evt_group5
,
14495 &mq_create_ext
->u
.request
, 1);
14496 bf_set(lpfc_mbx_mq_create_ext_async_evt_fc
,
14497 &mq_create_ext
->u
.request
, 1);
14498 bf_set(lpfc_mbx_mq_create_ext_async_evt_sli
,
14499 &mq_create_ext
->u
.request
, 1);
14500 bf_set(lpfc_mq_context_valid
, &mq_create_ext
->u
.request
.context
, 1);
14501 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
14502 phba
->sli4_hba
.pc_sli4_params
.mqv
);
14503 if (phba
->sli4_hba
.pc_sli4_params
.mqv
== LPFC_Q_CREATE_VERSION_1
)
14504 bf_set(lpfc_mbx_mq_create_ext_cq_id
, &mq_create_ext
->u
.request
,
14507 bf_set(lpfc_mq_context_cq_id
, &mq_create_ext
->u
.request
.context
,
14509 switch (mq
->entry_count
) {
14511 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14512 "0362 Unsupported MQ count. (%d)\n",
14514 if (mq
->entry_count
< 16) {
14518 /* otherwise default to smallest count (drop through) */
14520 bf_set(lpfc_mq_context_ring_size
,
14521 &mq_create_ext
->u
.request
.context
,
14522 LPFC_MQ_RING_SIZE_16
);
14525 bf_set(lpfc_mq_context_ring_size
,
14526 &mq_create_ext
->u
.request
.context
,
14527 LPFC_MQ_RING_SIZE_32
);
14530 bf_set(lpfc_mq_context_ring_size
,
14531 &mq_create_ext
->u
.request
.context
,
14532 LPFC_MQ_RING_SIZE_64
);
14535 bf_set(lpfc_mq_context_ring_size
,
14536 &mq_create_ext
->u
.request
.context
,
14537 LPFC_MQ_RING_SIZE_128
);
14540 list_for_each_entry(dmabuf
, &mq
->page_list
, list
) {
14541 memset(dmabuf
->virt
, 0, hw_page_size
);
14542 mq_create_ext
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
14543 putPaddrLow(dmabuf
->phys
);
14544 mq_create_ext
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
14545 putPaddrHigh(dmabuf
->phys
);
14547 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
14548 mq
->queue_id
= bf_get(lpfc_mbx_mq_create_q_id
,
14549 &mq_create_ext
->u
.response
);
14550 if (rc
!= MBX_SUCCESS
) {
14551 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
14552 "2795 MQ_CREATE_EXT failed with "
14553 "status x%x. Failback to MQ_CREATE.\n",
14555 lpfc_mq_create_fb_init(phba
, mq
, mbox
, cq
);
14556 mq_create
= &mbox
->u
.mqe
.un
.mq_create
;
14557 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
14558 shdr
= (union lpfc_sli4_cfg_shdr
*) &mq_create
->header
.cfg_shdr
;
14559 mq
->queue_id
= bf_get(lpfc_mbx_mq_create_q_id
,
14560 &mq_create
->u
.response
);
14563 /* The IOCTL status is embedded in the mailbox subheader. */
14564 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14565 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14566 if (shdr_status
|| shdr_add_status
|| rc
) {
14567 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14568 "2502 MQ_CREATE mailbox failed with "
14569 "status x%x add_status x%x, mbx status x%x\n",
14570 shdr_status
, shdr_add_status
, rc
);
14574 if (mq
->queue_id
== 0xFFFF) {
14578 mq
->type
= LPFC_MQ
;
14579 mq
->assoc_qid
= cq
->queue_id
;
14580 mq
->subtype
= subtype
;
14581 mq
->host_index
= 0;
14584 /* link the mq onto the parent cq child list */
14585 list_add_tail(&mq
->list
, &cq
->child_list
);
14587 mempool_free(mbox
, phba
->mbox_mem_pool
);
14592 * lpfc_wq_create - Create a Work Queue on the HBA
14593 * @phba: HBA structure that indicates port to create a queue on.
14594 * @wq: The queue structure to use to create the work queue.
14595 * @cq: The completion queue to bind this work queue to.
14596 * @subtype: The subtype of the work queue indicating its functionality.
14598 * This function creates a work queue, as detailed in @wq, on a port, described
14599 * by @phba by sending a WQ_CREATE mailbox command to the HBA.
14601 * The @phba struct is used to send mailbox command to HBA. The @wq struct
14602 * is used to get the entry count and entry size that are necessary to
14603 * determine the number of pages to allocate and use for this queue. The @cq
14604 * is used to indicate which completion queue to bind this work queue to. This
14605 * function will send the WQ_CREATE mailbox command to the HBA to setup the
14606 * work queue. This function is asynchronous and will wait for the mailbox
14607 * command to finish before continuing.
14609 * On success this function will return a zero. If unable to allocate enough
14610 * memory this function will return -ENOMEM. If the queue create mailbox command
14611 * fails this function will return -ENXIO.
14614 lpfc_wq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*wq
,
14615 struct lpfc_queue
*cq
, uint32_t subtype
)
14617 struct lpfc_mbx_wq_create
*wq_create
;
14618 struct lpfc_dmabuf
*dmabuf
;
14619 LPFC_MBOXQ_t
*mbox
;
14620 int rc
, length
, status
= 0;
14621 uint32_t shdr_status
, shdr_add_status
;
14622 union lpfc_sli4_cfg_shdr
*shdr
;
14623 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
14624 struct dma_address
*page
;
14625 void __iomem
*bar_memmap_p
;
14626 uint32_t db_offset
;
14627 uint16_t pci_barset
;
14629 /* sanity check on queue memory */
14632 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
14633 hw_page_size
= SLI4_PAGE_SIZE
;
14635 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14638 length
= (sizeof(struct lpfc_mbx_wq_create
) -
14639 sizeof(struct lpfc_sli4_cfg_mhdr
));
14640 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
14641 LPFC_MBOX_OPCODE_FCOE_WQ_CREATE
,
14642 length
, LPFC_SLI4_MBX_EMBED
);
14643 wq_create
= &mbox
->u
.mqe
.un
.wq_create
;
14644 shdr
= (union lpfc_sli4_cfg_shdr
*) &wq_create
->header
.cfg_shdr
;
14645 bf_set(lpfc_mbx_wq_create_num_pages
, &wq_create
->u
.request
,
14647 bf_set(lpfc_mbx_wq_create_cq_id
, &wq_create
->u
.request
,
14650 /* wqv is the earliest version supported, NOT the latest */
14651 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
14652 phba
->sli4_hba
.pc_sli4_params
.wqv
);
14654 switch (phba
->sli4_hba
.pc_sli4_params
.wqv
) {
14655 case LPFC_Q_CREATE_VERSION_0
:
14656 switch (wq
->entry_size
) {
14659 /* Nothing to do, version 0 ONLY supports 64 byte */
14660 page
= wq_create
->u
.request
.page
;
14663 if (!(phba
->sli4_hba
.pc_sli4_params
.wqsize
&
14664 LPFC_WQ_SZ128_SUPPORT
)) {
14668 /* If we get here the HBA MUST also support V1 and
14671 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
14672 LPFC_Q_CREATE_VERSION_1
);
14674 bf_set(lpfc_mbx_wq_create_wqe_count
,
14675 &wq_create
->u
.request_1
, wq
->entry_count
);
14676 bf_set(lpfc_mbx_wq_create_wqe_size
,
14677 &wq_create
->u
.request_1
,
14678 LPFC_WQ_WQE_SIZE_128
);
14679 bf_set(lpfc_mbx_wq_create_page_size
,
14680 &wq_create
->u
.request_1
,
14681 LPFC_WQ_PAGE_SIZE_4096
);
14682 page
= wq_create
->u
.request_1
.page
;
14686 case LPFC_Q_CREATE_VERSION_1
:
14687 bf_set(lpfc_mbx_wq_create_wqe_count
, &wq_create
->u
.request_1
,
14689 switch (wq
->entry_size
) {
14692 bf_set(lpfc_mbx_wq_create_wqe_size
,
14693 &wq_create
->u
.request_1
,
14694 LPFC_WQ_WQE_SIZE_64
);
14697 if (!(phba
->sli4_hba
.pc_sli4_params
.wqsize
&
14698 LPFC_WQ_SZ128_SUPPORT
)) {
14702 bf_set(lpfc_mbx_wq_create_wqe_size
,
14703 &wq_create
->u
.request_1
,
14704 LPFC_WQ_WQE_SIZE_128
);
14707 bf_set(lpfc_mbx_wq_create_page_size
,
14708 &wq_create
->u
.request_1
,
14709 LPFC_WQ_PAGE_SIZE_4096
);
14710 page
= wq_create
->u
.request_1
.page
;
14717 list_for_each_entry(dmabuf
, &wq
->page_list
, list
) {
14718 memset(dmabuf
->virt
, 0, hw_page_size
);
14719 page
[dmabuf
->buffer_tag
].addr_lo
= putPaddrLow(dmabuf
->phys
);
14720 page
[dmabuf
->buffer_tag
].addr_hi
= putPaddrHigh(dmabuf
->phys
);
14723 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
)
14724 bf_set(lpfc_mbx_wq_create_dua
, &wq_create
->u
.request
, 1);
14726 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
14727 /* The IOCTL status is embedded in the mailbox subheader. */
14728 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14729 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14730 if (shdr_status
|| shdr_add_status
|| rc
) {
14731 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14732 "2503 WQ_CREATE mailbox failed with "
14733 "status x%x add_status x%x, mbx status x%x\n",
14734 shdr_status
, shdr_add_status
, rc
);
14738 wq
->queue_id
= bf_get(lpfc_mbx_wq_create_q_id
, &wq_create
->u
.response
);
14739 if (wq
->queue_id
== 0xFFFF) {
14743 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
) {
14744 wq
->db_format
= bf_get(lpfc_mbx_wq_create_db_format
,
14745 &wq_create
->u
.response
);
14746 if ((wq
->db_format
!= LPFC_DB_LIST_FORMAT
) &&
14747 (wq
->db_format
!= LPFC_DB_RING_FORMAT
)) {
14748 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14749 "3265 WQ[%d] doorbell format not "
14750 "supported: x%x\n", wq
->queue_id
,
14755 pci_barset
= bf_get(lpfc_mbx_wq_create_bar_set
,
14756 &wq_create
->u
.response
);
14757 bar_memmap_p
= lpfc_dual_chute_pci_bar_map(phba
, pci_barset
);
14758 if (!bar_memmap_p
) {
14759 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14760 "3263 WQ[%d] failed to memmap pci "
14761 "barset:x%x\n", wq
->queue_id
,
14766 db_offset
= wq_create
->u
.response
.doorbell_offset
;
14767 if ((db_offset
!= LPFC_ULP0_WQ_DOORBELL
) &&
14768 (db_offset
!= LPFC_ULP1_WQ_DOORBELL
)) {
14769 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14770 "3252 WQ[%d] doorbell offset not "
14771 "supported: x%x\n", wq
->queue_id
,
14776 wq
->db_regaddr
= bar_memmap_p
+ db_offset
;
14777 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
14778 "3264 WQ[%d]: barset:x%x, offset:x%x, "
14779 "format:x%x\n", wq
->queue_id
, pci_barset
,
14780 db_offset
, wq
->db_format
);
14782 wq
->db_format
= LPFC_DB_LIST_FORMAT
;
14783 wq
->db_regaddr
= phba
->sli4_hba
.WQDBregaddr
;
14785 wq
->pring
= kzalloc(sizeof(struct lpfc_sli_ring
), GFP_KERNEL
);
14786 if (wq
->pring
== NULL
) {
14790 wq
->type
= LPFC_WQ
;
14791 wq
->assoc_qid
= cq
->queue_id
;
14792 wq
->subtype
= subtype
;
14793 wq
->host_index
= 0;
14795 wq
->entry_repost
= LPFC_RELEASE_NOTIFICATION_INTERVAL
;
14797 /* link the wq onto the parent cq child list */
14798 list_add_tail(&wq
->list
, &cq
->child_list
);
14800 mempool_free(mbox
, phba
->mbox_mem_pool
);
14805 * lpfc_rq_adjust_repost - Adjust entry_repost for an RQ
14806 * @phba: HBA structure that indicates port to create a queue on.
14807 * @rq: The queue structure to use for the receive queue.
14808 * @qno: The associated HBQ number
14811 * For SLI4 we need to adjust the RQ repost value based on
14812 * the number of buffers that are initially posted to the RQ.
14815 lpfc_rq_adjust_repost(struct lpfc_hba
*phba
, struct lpfc_queue
*rq
, int qno
)
14819 /* sanity check on queue memory */
14822 cnt
= lpfc_hbq_defs
[qno
]->entry_count
;
14824 /* Recalc repost for RQs based on buffers initially posted */
14826 if (cnt
< LPFC_QUEUE_MIN_REPOST
)
14827 cnt
= LPFC_QUEUE_MIN_REPOST
;
14829 rq
->entry_repost
= cnt
;
14833 * lpfc_rq_create - Create a Receive Queue on the HBA
14834 * @phba: HBA structure that indicates port to create a queue on.
14835 * @hrq: The queue structure to use to create the header receive queue.
14836 * @drq: The queue structure to use to create the data receive queue.
14837 * @cq: The completion queue to bind this work queue to.
14839 * This function creates a receive buffer queue pair , as detailed in @hrq and
14840 * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command
14843 * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq
14844 * struct is used to get the entry count that is necessary to determine the
14845 * number of pages to use for this queue. The @cq is used to indicate which
14846 * completion queue to bind received buffers that are posted to these queues to.
14847 * This function will send the RQ_CREATE mailbox command to the HBA to setup the
14848 * receive queue pair. This function is asynchronous and will wait for the
14849 * mailbox command to finish before continuing.
14851 * On success this function will return a zero. If unable to allocate enough
14852 * memory this function will return -ENOMEM. If the queue create mailbox command
14853 * fails this function will return -ENXIO.
14856 lpfc_rq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*hrq
,
14857 struct lpfc_queue
*drq
, struct lpfc_queue
*cq
, uint32_t subtype
)
14859 struct lpfc_mbx_rq_create
*rq_create
;
14860 struct lpfc_dmabuf
*dmabuf
;
14861 LPFC_MBOXQ_t
*mbox
;
14862 int rc
, length
, status
= 0;
14863 uint32_t shdr_status
, shdr_add_status
;
14864 union lpfc_sli4_cfg_shdr
*shdr
;
14865 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
14866 void __iomem
*bar_memmap_p
;
14867 uint32_t db_offset
;
14868 uint16_t pci_barset
;
14870 /* sanity check on queue memory */
14871 if (!hrq
|| !drq
|| !cq
)
14873 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
14874 hw_page_size
= SLI4_PAGE_SIZE
;
14876 if (hrq
->entry_count
!= drq
->entry_count
)
14878 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14881 length
= (sizeof(struct lpfc_mbx_rq_create
) -
14882 sizeof(struct lpfc_sli4_cfg_mhdr
));
14883 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
14884 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE
,
14885 length
, LPFC_SLI4_MBX_EMBED
);
14886 rq_create
= &mbox
->u
.mqe
.un
.rq_create
;
14887 shdr
= (union lpfc_sli4_cfg_shdr
*) &rq_create
->header
.cfg_shdr
;
14888 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
14889 phba
->sli4_hba
.pc_sli4_params
.rqv
);
14890 if (phba
->sli4_hba
.pc_sli4_params
.rqv
== LPFC_Q_CREATE_VERSION_1
) {
14891 bf_set(lpfc_rq_context_rqe_count_1
,
14892 &rq_create
->u
.request
.context
,
14894 rq_create
->u
.request
.context
.buffer_size
= LPFC_HDR_BUF_SIZE
;
14895 bf_set(lpfc_rq_context_rqe_size
,
14896 &rq_create
->u
.request
.context
,
14898 bf_set(lpfc_rq_context_page_size
,
14899 &rq_create
->u
.request
.context
,
14900 LPFC_RQ_PAGE_SIZE_4096
);
14902 switch (hrq
->entry_count
) {
14904 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14905 "2535 Unsupported RQ count. (%d)\n",
14907 if (hrq
->entry_count
< 512) {
14911 /* otherwise default to smallest count (drop through) */
14913 bf_set(lpfc_rq_context_rqe_count
,
14914 &rq_create
->u
.request
.context
,
14915 LPFC_RQ_RING_SIZE_512
);
14918 bf_set(lpfc_rq_context_rqe_count
,
14919 &rq_create
->u
.request
.context
,
14920 LPFC_RQ_RING_SIZE_1024
);
14923 bf_set(lpfc_rq_context_rqe_count
,
14924 &rq_create
->u
.request
.context
,
14925 LPFC_RQ_RING_SIZE_2048
);
14928 bf_set(lpfc_rq_context_rqe_count
,
14929 &rq_create
->u
.request
.context
,
14930 LPFC_RQ_RING_SIZE_4096
);
14933 bf_set(lpfc_rq_context_buf_size
, &rq_create
->u
.request
.context
,
14934 LPFC_HDR_BUF_SIZE
);
14936 bf_set(lpfc_rq_context_cq_id
, &rq_create
->u
.request
.context
,
14938 bf_set(lpfc_mbx_rq_create_num_pages
, &rq_create
->u
.request
,
14940 list_for_each_entry(dmabuf
, &hrq
->page_list
, list
) {
14941 memset(dmabuf
->virt
, 0, hw_page_size
);
14942 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
14943 putPaddrLow(dmabuf
->phys
);
14944 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
14945 putPaddrHigh(dmabuf
->phys
);
14947 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
)
14948 bf_set(lpfc_mbx_rq_create_dua
, &rq_create
->u
.request
, 1);
14950 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
14951 /* The IOCTL status is embedded in the mailbox subheader. */
14952 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14953 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14954 if (shdr_status
|| shdr_add_status
|| rc
) {
14955 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14956 "2504 RQ_CREATE mailbox failed with "
14957 "status x%x add_status x%x, mbx status x%x\n",
14958 shdr_status
, shdr_add_status
, rc
);
14962 hrq
->queue_id
= bf_get(lpfc_mbx_rq_create_q_id
, &rq_create
->u
.response
);
14963 if (hrq
->queue_id
== 0xFFFF) {
14968 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
) {
14969 hrq
->db_format
= bf_get(lpfc_mbx_rq_create_db_format
,
14970 &rq_create
->u
.response
);
14971 if ((hrq
->db_format
!= LPFC_DB_LIST_FORMAT
) &&
14972 (hrq
->db_format
!= LPFC_DB_RING_FORMAT
)) {
14973 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14974 "3262 RQ [%d] doorbell format not "
14975 "supported: x%x\n", hrq
->queue_id
,
14981 pci_barset
= bf_get(lpfc_mbx_rq_create_bar_set
,
14982 &rq_create
->u
.response
);
14983 bar_memmap_p
= lpfc_dual_chute_pci_bar_map(phba
, pci_barset
);
14984 if (!bar_memmap_p
) {
14985 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14986 "3269 RQ[%d] failed to memmap pci "
14987 "barset:x%x\n", hrq
->queue_id
,
14993 db_offset
= rq_create
->u
.response
.doorbell_offset
;
14994 if ((db_offset
!= LPFC_ULP0_RQ_DOORBELL
) &&
14995 (db_offset
!= LPFC_ULP1_RQ_DOORBELL
)) {
14996 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14997 "3270 RQ[%d] doorbell offset not "
14998 "supported: x%x\n", hrq
->queue_id
,
15003 hrq
->db_regaddr
= bar_memmap_p
+ db_offset
;
15004 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
15005 "3266 RQ[qid:%d]: barset:x%x, offset:x%x, "
15006 "format:x%x\n", hrq
->queue_id
, pci_barset
,
15007 db_offset
, hrq
->db_format
);
15009 hrq
->db_format
= LPFC_DB_RING_FORMAT
;
15010 hrq
->db_regaddr
= phba
->sli4_hba
.RQDBregaddr
;
15012 hrq
->type
= LPFC_HRQ
;
15013 hrq
->assoc_qid
= cq
->queue_id
;
15014 hrq
->subtype
= subtype
;
15015 hrq
->host_index
= 0;
15016 hrq
->hba_index
= 0;
15018 /* now create the data queue */
15019 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15020 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE
,
15021 length
, LPFC_SLI4_MBX_EMBED
);
15022 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
15023 phba
->sli4_hba
.pc_sli4_params
.rqv
);
15024 if (phba
->sli4_hba
.pc_sli4_params
.rqv
== LPFC_Q_CREATE_VERSION_1
) {
15025 bf_set(lpfc_rq_context_rqe_count_1
,
15026 &rq_create
->u
.request
.context
, hrq
->entry_count
);
15027 rq_create
->u
.request
.context
.buffer_size
= LPFC_DATA_BUF_SIZE
;
15028 bf_set(lpfc_rq_context_rqe_size
, &rq_create
->u
.request
.context
,
15030 bf_set(lpfc_rq_context_page_size
, &rq_create
->u
.request
.context
,
15031 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
15033 switch (drq
->entry_count
) {
15035 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15036 "2536 Unsupported RQ count. (%d)\n",
15038 if (drq
->entry_count
< 512) {
15042 /* otherwise default to smallest count (drop through) */
15044 bf_set(lpfc_rq_context_rqe_count
,
15045 &rq_create
->u
.request
.context
,
15046 LPFC_RQ_RING_SIZE_512
);
15049 bf_set(lpfc_rq_context_rqe_count
,
15050 &rq_create
->u
.request
.context
,
15051 LPFC_RQ_RING_SIZE_1024
);
15054 bf_set(lpfc_rq_context_rqe_count
,
15055 &rq_create
->u
.request
.context
,
15056 LPFC_RQ_RING_SIZE_2048
);
15059 bf_set(lpfc_rq_context_rqe_count
,
15060 &rq_create
->u
.request
.context
,
15061 LPFC_RQ_RING_SIZE_4096
);
15064 bf_set(lpfc_rq_context_buf_size
, &rq_create
->u
.request
.context
,
15065 LPFC_DATA_BUF_SIZE
);
15067 bf_set(lpfc_rq_context_cq_id
, &rq_create
->u
.request
.context
,
15069 bf_set(lpfc_mbx_rq_create_num_pages
, &rq_create
->u
.request
,
15071 list_for_each_entry(dmabuf
, &drq
->page_list
, list
) {
15072 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
15073 putPaddrLow(dmabuf
->phys
);
15074 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
15075 putPaddrHigh(dmabuf
->phys
);
15077 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
)
15078 bf_set(lpfc_mbx_rq_create_dua
, &rq_create
->u
.request
, 1);
15079 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
15080 /* The IOCTL status is embedded in the mailbox subheader. */
15081 shdr
= (union lpfc_sli4_cfg_shdr
*) &rq_create
->header
.cfg_shdr
;
15082 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15083 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15084 if (shdr_status
|| shdr_add_status
|| rc
) {
15088 drq
->queue_id
= bf_get(lpfc_mbx_rq_create_q_id
, &rq_create
->u
.response
);
15089 if (drq
->queue_id
== 0xFFFF) {
15093 drq
->type
= LPFC_DRQ
;
15094 drq
->assoc_qid
= cq
->queue_id
;
15095 drq
->subtype
= subtype
;
15096 drq
->host_index
= 0;
15097 drq
->hba_index
= 0;
15099 /* link the header and data RQs onto the parent cq child list */
15100 list_add_tail(&hrq
->list
, &cq
->child_list
);
15101 list_add_tail(&drq
->list
, &cq
->child_list
);
15104 mempool_free(mbox
, phba
->mbox_mem_pool
);
15109 * lpfc_mrq_create - Create MRQ Receive Queues on the HBA
15110 * @phba: HBA structure that indicates port to create a queue on.
15111 * @hrqp: The queue structure array to use to create the header receive queues.
15112 * @drqp: The queue structure array to use to create the data receive queues.
15113 * @cqp: The completion queue array to bind these receive queues to.
15115 * This function creates a receive buffer queue pair , as detailed in @hrq and
15116 * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command
15119 * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq
15120 * struct is used to get the entry count that is necessary to determine the
15121 * number of pages to use for this queue. The @cq is used to indicate which
15122 * completion queue to bind received buffers that are posted to these queues to.
15123 * This function will send the RQ_CREATE mailbox command to the HBA to setup the
15124 * receive queue pair. This function is asynchronous and will wait for the
15125 * mailbox command to finish before continuing.
15127 * On success this function will return a zero. If unable to allocate enough
15128 * memory this function will return -ENOMEM. If the queue create mailbox command
15129 * fails this function will return -ENXIO.
15132 lpfc_mrq_create(struct lpfc_hba
*phba
, struct lpfc_queue
**hrqp
,
15133 struct lpfc_queue
**drqp
, struct lpfc_queue
**cqp
,
15136 struct lpfc_queue
*hrq
, *drq
, *cq
;
15137 struct lpfc_mbx_rq_create_v2
*rq_create
;
15138 struct lpfc_dmabuf
*dmabuf
;
15139 LPFC_MBOXQ_t
*mbox
;
15140 int rc
, length
, alloclen
, status
= 0;
15141 int cnt
, idx
, numrq
, page_idx
= 0;
15142 uint32_t shdr_status
, shdr_add_status
;
15143 union lpfc_sli4_cfg_shdr
*shdr
;
15144 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
15146 numrq
= phba
->cfg_nvmet_mrq
;
15147 /* sanity check on array memory */
15148 if (!hrqp
|| !drqp
|| !cqp
|| !numrq
)
15150 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
15151 hw_page_size
= SLI4_PAGE_SIZE
;
15153 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15157 length
= sizeof(struct lpfc_mbx_rq_create_v2
);
15158 length
+= ((2 * numrq
* hrqp
[0]->page_count
) *
15159 sizeof(struct dma_address
));
15161 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15162 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE
, length
,
15163 LPFC_SLI4_MBX_NEMBED
);
15164 if (alloclen
< length
) {
15165 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15166 "3099 Allocated DMA memory size (%d) is "
15167 "less than the requested DMA memory size "
15168 "(%d)\n", alloclen
, length
);
15175 rq_create
= mbox
->sge_array
->addr
[0];
15176 shdr
= (union lpfc_sli4_cfg_shdr
*)&rq_create
->cfg_shdr
;
15178 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
, LPFC_Q_CREATE_VERSION_2
);
15181 for (idx
= 0; idx
< numrq
; idx
++) {
15186 if (hrq
->entry_count
!= drq
->entry_count
) {
15191 /* sanity check on queue memory */
15192 if (!hrq
|| !drq
|| !cq
) {
15198 bf_set(lpfc_mbx_rq_create_num_pages
,
15199 &rq_create
->u
.request
,
15201 bf_set(lpfc_mbx_rq_create_rq_cnt
,
15202 &rq_create
->u
.request
, (numrq
* 2));
15203 bf_set(lpfc_mbx_rq_create_dnb
, &rq_create
->u
.request
,
15205 bf_set(lpfc_rq_context_base_cq
,
15206 &rq_create
->u
.request
.context
,
15208 bf_set(lpfc_rq_context_data_size
,
15209 &rq_create
->u
.request
.context
,
15210 LPFC_DATA_BUF_SIZE
);
15211 bf_set(lpfc_rq_context_hdr_size
,
15212 &rq_create
->u
.request
.context
,
15213 LPFC_HDR_BUF_SIZE
);
15214 bf_set(lpfc_rq_context_rqe_count_1
,
15215 &rq_create
->u
.request
.context
,
15217 bf_set(lpfc_rq_context_rqe_size
,
15218 &rq_create
->u
.request
.context
,
15220 bf_set(lpfc_rq_context_page_size
,
15221 &rq_create
->u
.request
.context
,
15222 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
15225 list_for_each_entry(dmabuf
, &hrq
->page_list
, list
) {
15226 memset(dmabuf
->virt
, 0, hw_page_size
);
15227 cnt
= page_idx
+ dmabuf
->buffer_tag
;
15228 rq_create
->u
.request
.page
[cnt
].addr_lo
=
15229 putPaddrLow(dmabuf
->phys
);
15230 rq_create
->u
.request
.page
[cnt
].addr_hi
=
15231 putPaddrHigh(dmabuf
->phys
);
15237 list_for_each_entry(dmabuf
, &drq
->page_list
, list
) {
15238 memset(dmabuf
->virt
, 0, hw_page_size
);
15239 cnt
= page_idx
+ dmabuf
->buffer_tag
;
15240 rq_create
->u
.request
.page
[cnt
].addr_lo
=
15241 putPaddrLow(dmabuf
->phys
);
15242 rq_create
->u
.request
.page
[cnt
].addr_hi
=
15243 putPaddrHigh(dmabuf
->phys
);
15248 hrq
->db_format
= LPFC_DB_RING_FORMAT
;
15249 hrq
->db_regaddr
= phba
->sli4_hba
.RQDBregaddr
;
15250 hrq
->type
= LPFC_HRQ
;
15251 hrq
->assoc_qid
= cq
->queue_id
;
15252 hrq
->subtype
= subtype
;
15253 hrq
->host_index
= 0;
15254 hrq
->hba_index
= 0;
15256 drq
->db_format
= LPFC_DB_RING_FORMAT
;
15257 drq
->db_regaddr
= phba
->sli4_hba
.RQDBregaddr
;
15258 drq
->type
= LPFC_DRQ
;
15259 drq
->assoc_qid
= cq
->queue_id
;
15260 drq
->subtype
= subtype
;
15261 drq
->host_index
= 0;
15262 drq
->hba_index
= 0;
15264 list_add_tail(&hrq
->list
, &cq
->child_list
);
15265 list_add_tail(&drq
->list
, &cq
->child_list
);
15268 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
15269 /* The IOCTL status is embedded in the mailbox subheader. */
15270 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15271 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15272 if (shdr_status
|| shdr_add_status
|| rc
) {
15273 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15274 "3120 RQ_CREATE mailbox failed with "
15275 "status x%x add_status x%x, mbx status x%x\n",
15276 shdr_status
, shdr_add_status
, rc
);
15280 rc
= bf_get(lpfc_mbx_rq_create_q_id
, &rq_create
->u
.response
);
15281 if (rc
== 0xFFFF) {
15286 /* Initialize all RQs with associated queue id */
15287 for (idx
= 0; idx
< numrq
; idx
++) {
15289 hrq
->queue_id
= rc
+ (2 * idx
);
15291 drq
->queue_id
= rc
+ (2 * idx
) + 1;
15295 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
15300 * lpfc_eq_destroy - Destroy an event Queue on the HBA
15301 * @eq: The queue structure associated with the queue to destroy.
15303 * This function destroys a queue, as detailed in @eq by sending an mailbox
15304 * command, specific to the type of queue, to the HBA.
15306 * The @eq struct is used to get the queue ID of the queue to destroy.
15308 * On success this function will return a zero. If the queue destroy mailbox
15309 * command fails this function will return -ENXIO.
15312 lpfc_eq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
)
15314 LPFC_MBOXQ_t
*mbox
;
15315 int rc
, length
, status
= 0;
15316 uint32_t shdr_status
, shdr_add_status
;
15317 union lpfc_sli4_cfg_shdr
*shdr
;
15319 /* sanity check on queue memory */
15322 mbox
= mempool_alloc(eq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
15325 length
= (sizeof(struct lpfc_mbx_eq_destroy
) -
15326 sizeof(struct lpfc_sli4_cfg_mhdr
));
15327 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
15328 LPFC_MBOX_OPCODE_EQ_DESTROY
,
15329 length
, LPFC_SLI4_MBX_EMBED
);
15330 bf_set(lpfc_mbx_eq_destroy_q_id
, &mbox
->u
.mqe
.un
.eq_destroy
.u
.request
,
15332 mbox
->vport
= eq
->phba
->pport
;
15333 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15335 rc
= lpfc_sli_issue_mbox(eq
->phba
, mbox
, MBX_POLL
);
15336 /* The IOCTL status is embedded in the mailbox subheader. */
15337 shdr
= (union lpfc_sli4_cfg_shdr
*)
15338 &mbox
->u
.mqe
.un
.eq_destroy
.header
.cfg_shdr
;
15339 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15340 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15341 if (shdr_status
|| shdr_add_status
|| rc
) {
15342 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15343 "2505 EQ_DESTROY mailbox failed with "
15344 "status x%x add_status x%x, mbx status x%x\n",
15345 shdr_status
, shdr_add_status
, rc
);
15349 /* Remove eq from any list */
15350 list_del_init(&eq
->list
);
15351 mempool_free(mbox
, eq
->phba
->mbox_mem_pool
);
15356 * lpfc_cq_destroy - Destroy a Completion Queue on the HBA
15357 * @cq: The queue structure associated with the queue to destroy.
15359 * This function destroys a queue, as detailed in @cq by sending an mailbox
15360 * command, specific to the type of queue, to the HBA.
15362 * The @cq struct is used to get the queue ID of the queue to destroy.
15364 * On success this function will return a zero. If the queue destroy mailbox
15365 * command fails this function will return -ENXIO.
15368 lpfc_cq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
)
15370 LPFC_MBOXQ_t
*mbox
;
15371 int rc
, length
, status
= 0;
15372 uint32_t shdr_status
, shdr_add_status
;
15373 union lpfc_sli4_cfg_shdr
*shdr
;
15375 /* sanity check on queue memory */
15378 mbox
= mempool_alloc(cq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
15381 length
= (sizeof(struct lpfc_mbx_cq_destroy
) -
15382 sizeof(struct lpfc_sli4_cfg_mhdr
));
15383 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
15384 LPFC_MBOX_OPCODE_CQ_DESTROY
,
15385 length
, LPFC_SLI4_MBX_EMBED
);
15386 bf_set(lpfc_mbx_cq_destroy_q_id
, &mbox
->u
.mqe
.un
.cq_destroy
.u
.request
,
15388 mbox
->vport
= cq
->phba
->pport
;
15389 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15390 rc
= lpfc_sli_issue_mbox(cq
->phba
, mbox
, MBX_POLL
);
15391 /* The IOCTL status is embedded in the mailbox subheader. */
15392 shdr
= (union lpfc_sli4_cfg_shdr
*)
15393 &mbox
->u
.mqe
.un
.wq_create
.header
.cfg_shdr
;
15394 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15395 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15396 if (shdr_status
|| shdr_add_status
|| rc
) {
15397 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15398 "2506 CQ_DESTROY mailbox failed with "
15399 "status x%x add_status x%x, mbx status x%x\n",
15400 shdr_status
, shdr_add_status
, rc
);
15403 /* Remove cq from any list */
15404 list_del_init(&cq
->list
);
15405 mempool_free(mbox
, cq
->phba
->mbox_mem_pool
);
15410 * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA
15411 * @qm: The queue structure associated with the queue to destroy.
15413 * This function destroys a queue, as detailed in @mq by sending an mailbox
15414 * command, specific to the type of queue, to the HBA.
15416 * The @mq struct is used to get the queue ID of the queue to destroy.
15418 * On success this function will return a zero. If the queue destroy mailbox
15419 * command fails this function will return -ENXIO.
15422 lpfc_mq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
)
15424 LPFC_MBOXQ_t
*mbox
;
15425 int rc
, length
, status
= 0;
15426 uint32_t shdr_status
, shdr_add_status
;
15427 union lpfc_sli4_cfg_shdr
*shdr
;
15429 /* sanity check on queue memory */
15432 mbox
= mempool_alloc(mq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
15435 length
= (sizeof(struct lpfc_mbx_mq_destroy
) -
15436 sizeof(struct lpfc_sli4_cfg_mhdr
));
15437 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
15438 LPFC_MBOX_OPCODE_MQ_DESTROY
,
15439 length
, LPFC_SLI4_MBX_EMBED
);
15440 bf_set(lpfc_mbx_mq_destroy_q_id
, &mbox
->u
.mqe
.un
.mq_destroy
.u
.request
,
15442 mbox
->vport
= mq
->phba
->pport
;
15443 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15444 rc
= lpfc_sli_issue_mbox(mq
->phba
, mbox
, MBX_POLL
);
15445 /* The IOCTL status is embedded in the mailbox subheader. */
15446 shdr
= (union lpfc_sli4_cfg_shdr
*)
15447 &mbox
->u
.mqe
.un
.mq_destroy
.header
.cfg_shdr
;
15448 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15449 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15450 if (shdr_status
|| shdr_add_status
|| rc
) {
15451 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15452 "2507 MQ_DESTROY mailbox failed with "
15453 "status x%x add_status x%x, mbx status x%x\n",
15454 shdr_status
, shdr_add_status
, rc
);
15457 /* Remove mq from any list */
15458 list_del_init(&mq
->list
);
15459 mempool_free(mbox
, mq
->phba
->mbox_mem_pool
);
15464 * lpfc_wq_destroy - Destroy a Work Queue on the HBA
15465 * @wq: The queue structure associated with the queue to destroy.
15467 * This function destroys a queue, as detailed in @wq by sending an mailbox
15468 * command, specific to the type of queue, to the HBA.
15470 * The @wq struct is used to get the queue ID of the queue to destroy.
15472 * On success this function will return a zero. If the queue destroy mailbox
15473 * command fails this function will return -ENXIO.
15476 lpfc_wq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*wq
)
15478 LPFC_MBOXQ_t
*mbox
;
15479 int rc
, length
, status
= 0;
15480 uint32_t shdr_status
, shdr_add_status
;
15481 union lpfc_sli4_cfg_shdr
*shdr
;
15483 /* sanity check on queue memory */
15486 mbox
= mempool_alloc(wq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
15489 length
= (sizeof(struct lpfc_mbx_wq_destroy
) -
15490 sizeof(struct lpfc_sli4_cfg_mhdr
));
15491 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15492 LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY
,
15493 length
, LPFC_SLI4_MBX_EMBED
);
15494 bf_set(lpfc_mbx_wq_destroy_q_id
, &mbox
->u
.mqe
.un
.wq_destroy
.u
.request
,
15496 mbox
->vport
= wq
->phba
->pport
;
15497 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15498 rc
= lpfc_sli_issue_mbox(wq
->phba
, mbox
, MBX_POLL
);
15499 shdr
= (union lpfc_sli4_cfg_shdr
*)
15500 &mbox
->u
.mqe
.un
.wq_destroy
.header
.cfg_shdr
;
15501 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15502 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15503 if (shdr_status
|| shdr_add_status
|| rc
) {
15504 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15505 "2508 WQ_DESTROY mailbox failed with "
15506 "status x%x add_status x%x, mbx status x%x\n",
15507 shdr_status
, shdr_add_status
, rc
);
15510 /* Remove wq from any list */
15511 list_del_init(&wq
->list
);
15512 mempool_free(mbox
, wq
->phba
->mbox_mem_pool
);
15517 * lpfc_rq_destroy - Destroy a Receive Queue on the HBA
15518 * @rq: The queue structure associated with the queue to destroy.
15520 * This function destroys a queue, as detailed in @rq by sending an mailbox
15521 * command, specific to the type of queue, to the HBA.
15523 * The @rq struct is used to get the queue ID of the queue to destroy.
15525 * On success this function will return a zero. If the queue destroy mailbox
15526 * command fails this function will return -ENXIO.
15529 lpfc_rq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*hrq
,
15530 struct lpfc_queue
*drq
)
15532 LPFC_MBOXQ_t
*mbox
;
15533 int rc
, length
, status
= 0;
15534 uint32_t shdr_status
, shdr_add_status
;
15535 union lpfc_sli4_cfg_shdr
*shdr
;
15537 /* sanity check on queue memory */
15540 mbox
= mempool_alloc(hrq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
15543 length
= (sizeof(struct lpfc_mbx_rq_destroy
) -
15544 sizeof(struct lpfc_sli4_cfg_mhdr
));
15545 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15546 LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY
,
15547 length
, LPFC_SLI4_MBX_EMBED
);
15548 bf_set(lpfc_mbx_rq_destroy_q_id
, &mbox
->u
.mqe
.un
.rq_destroy
.u
.request
,
15550 mbox
->vport
= hrq
->phba
->pport
;
15551 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15552 rc
= lpfc_sli_issue_mbox(hrq
->phba
, mbox
, MBX_POLL
);
15553 /* The IOCTL status is embedded in the mailbox subheader. */
15554 shdr
= (union lpfc_sli4_cfg_shdr
*)
15555 &mbox
->u
.mqe
.un
.rq_destroy
.header
.cfg_shdr
;
15556 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15557 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15558 if (shdr_status
|| shdr_add_status
|| rc
) {
15559 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15560 "2509 RQ_DESTROY mailbox failed with "
15561 "status x%x add_status x%x, mbx status x%x\n",
15562 shdr_status
, shdr_add_status
, rc
);
15563 if (rc
!= MBX_TIMEOUT
)
15564 mempool_free(mbox
, hrq
->phba
->mbox_mem_pool
);
15567 bf_set(lpfc_mbx_rq_destroy_q_id
, &mbox
->u
.mqe
.un
.rq_destroy
.u
.request
,
15569 rc
= lpfc_sli_issue_mbox(drq
->phba
, mbox
, MBX_POLL
);
15570 shdr
= (union lpfc_sli4_cfg_shdr
*)
15571 &mbox
->u
.mqe
.un
.rq_destroy
.header
.cfg_shdr
;
15572 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15573 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15574 if (shdr_status
|| shdr_add_status
|| rc
) {
15575 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15576 "2510 RQ_DESTROY mailbox failed with "
15577 "status x%x add_status x%x, mbx status x%x\n",
15578 shdr_status
, shdr_add_status
, rc
);
15581 list_del_init(&hrq
->list
);
15582 list_del_init(&drq
->list
);
15583 mempool_free(mbox
, hrq
->phba
->mbox_mem_pool
);
15588 * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA
15589 * @phba: The virtual port for which this call being executed.
15590 * @pdma_phys_addr0: Physical address of the 1st SGL page.
15591 * @pdma_phys_addr1: Physical address of the 2nd SGL page.
15592 * @xritag: the xritag that ties this io to the SGL pages.
15594 * This routine will post the sgl pages for the IO that has the xritag
15595 * that is in the iocbq structure. The xritag is assigned during iocbq
15596 * creation and persists for as long as the driver is loaded.
15597 * if the caller has fewer than 256 scatter gather segments to map then
15598 * pdma_phys_addr1 should be 0.
15599 * If the caller needs to map more than 256 scatter gather segment then
15600 * pdma_phys_addr1 should be a valid physical address.
15601 * physical address for SGLs must be 64 byte aligned.
15602 * If you are going to map 2 SGL's then the first one must have 256 entries
15603 * the second sgl can have between 1 and 256 entries.
15607 * -ENXIO, -ENOMEM - Failure
15610 lpfc_sli4_post_sgl(struct lpfc_hba
*phba
,
15611 dma_addr_t pdma_phys_addr0
,
15612 dma_addr_t pdma_phys_addr1
,
15615 struct lpfc_mbx_post_sgl_pages
*post_sgl_pages
;
15616 LPFC_MBOXQ_t
*mbox
;
15618 uint32_t shdr_status
, shdr_add_status
;
15620 union lpfc_sli4_cfg_shdr
*shdr
;
15622 if (xritag
== NO_XRI
) {
15623 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15624 "0364 Invalid param:\n");
15628 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15632 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15633 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
,
15634 sizeof(struct lpfc_mbx_post_sgl_pages
) -
15635 sizeof(struct lpfc_sli4_cfg_mhdr
), LPFC_SLI4_MBX_EMBED
);
15637 post_sgl_pages
= (struct lpfc_mbx_post_sgl_pages
*)
15638 &mbox
->u
.mqe
.un
.post_sgl_pages
;
15639 bf_set(lpfc_post_sgl_pages_xri
, post_sgl_pages
, xritag
);
15640 bf_set(lpfc_post_sgl_pages_xricnt
, post_sgl_pages
, 1);
15642 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg0_addr_lo
=
15643 cpu_to_le32(putPaddrLow(pdma_phys_addr0
));
15644 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg0_addr_hi
=
15645 cpu_to_le32(putPaddrHigh(pdma_phys_addr0
));
15647 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg1_addr_lo
=
15648 cpu_to_le32(putPaddrLow(pdma_phys_addr1
));
15649 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg1_addr_hi
=
15650 cpu_to_le32(putPaddrHigh(pdma_phys_addr1
));
15651 if (!phba
->sli4_hba
.intr_enable
)
15652 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
15654 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
15655 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
15657 /* The IOCTL status is embedded in the mailbox subheader. */
15658 shdr
= (union lpfc_sli4_cfg_shdr
*) &post_sgl_pages
->header
.cfg_shdr
;
15659 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15660 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15661 if (rc
!= MBX_TIMEOUT
)
15662 mempool_free(mbox
, phba
->mbox_mem_pool
);
15663 if (shdr_status
|| shdr_add_status
|| rc
) {
15664 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15665 "2511 POST_SGL mailbox failed with "
15666 "status x%x add_status x%x, mbx status x%x\n",
15667 shdr_status
, shdr_add_status
, rc
);
15673 * lpfc_sli4_alloc_xri - Get an available rpi in the device's range
15674 * @phba: pointer to lpfc hba data structure.
15676 * This routine is invoked to post rpi header templates to the
15677 * HBA consistent with the SLI-4 interface spec. This routine
15678 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
15679 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
15682 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
15683 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
15686 lpfc_sli4_alloc_xri(struct lpfc_hba
*phba
)
15691 * Fetch the next logical xri. Because this index is logical,
15692 * the driver starts at 0 each time.
15694 spin_lock_irq(&phba
->hbalock
);
15695 xri
= find_next_zero_bit(phba
->sli4_hba
.xri_bmask
,
15696 phba
->sli4_hba
.max_cfg_param
.max_xri
, 0);
15697 if (xri
>= phba
->sli4_hba
.max_cfg_param
.max_xri
) {
15698 spin_unlock_irq(&phba
->hbalock
);
15701 set_bit(xri
, phba
->sli4_hba
.xri_bmask
);
15702 phba
->sli4_hba
.max_cfg_param
.xri_used
++;
15704 spin_unlock_irq(&phba
->hbalock
);
15709 * lpfc_sli4_free_xri - Release an xri for reuse.
15710 * @phba: pointer to lpfc hba data structure.
15712 * This routine is invoked to release an xri to the pool of
15713 * available rpis maintained by the driver.
15716 __lpfc_sli4_free_xri(struct lpfc_hba
*phba
, int xri
)
15718 if (test_and_clear_bit(xri
, phba
->sli4_hba
.xri_bmask
)) {
15719 phba
->sli4_hba
.max_cfg_param
.xri_used
--;
15724 * lpfc_sli4_free_xri - Release an xri for reuse.
15725 * @phba: pointer to lpfc hba data structure.
15727 * This routine is invoked to release an xri to the pool of
15728 * available rpis maintained by the driver.
15731 lpfc_sli4_free_xri(struct lpfc_hba
*phba
, int xri
)
15733 spin_lock_irq(&phba
->hbalock
);
15734 __lpfc_sli4_free_xri(phba
, xri
);
15735 spin_unlock_irq(&phba
->hbalock
);
15739 * lpfc_sli4_next_xritag - Get an xritag for the io
15740 * @phba: Pointer to HBA context object.
15742 * This function gets an xritag for the iocb. If there is no unused xritag
15743 * it will return 0xffff.
15744 * The function returns the allocated xritag if successful, else returns zero.
15745 * Zero is not a valid xritag.
15746 * The caller is not required to hold any lock.
15749 lpfc_sli4_next_xritag(struct lpfc_hba
*phba
)
15751 uint16_t xri_index
;
15753 xri_index
= lpfc_sli4_alloc_xri(phba
);
15754 if (xri_index
== NO_XRI
)
15755 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
15756 "2004 Failed to allocate XRI.last XRITAG is %d"
15757 " Max XRI is %d, Used XRI is %d\n",
15759 phba
->sli4_hba
.max_cfg_param
.max_xri
,
15760 phba
->sli4_hba
.max_cfg_param
.xri_used
);
15765 * lpfc_sli4_post_sgl_list - post a block of ELS sgls to the port.
15766 * @phba: pointer to lpfc hba data structure.
15767 * @post_sgl_list: pointer to els sgl entry list.
15768 * @count: number of els sgl entries on the list.
15770 * This routine is invoked to post a block of driver's sgl pages to the
15771 * HBA using non-embedded mailbox command. No Lock is held. This routine
15772 * is only called when the driver is loading and after all IO has been
15776 lpfc_sli4_post_sgl_list(struct lpfc_hba
*phba
,
15777 struct list_head
*post_sgl_list
,
15780 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
15781 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
15782 struct sgl_page_pairs
*sgl_pg_pairs
;
15784 LPFC_MBOXQ_t
*mbox
;
15785 uint32_t reqlen
, alloclen
, pg_pairs
;
15787 uint16_t xritag_start
= 0;
15789 uint32_t shdr_status
, shdr_add_status
;
15790 union lpfc_sli4_cfg_shdr
*shdr
;
15792 reqlen
= post_cnt
* sizeof(struct sgl_page_pairs
) +
15793 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
15794 if (reqlen
> SLI4_PAGE_SIZE
) {
15795 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15796 "2559 Block sgl registration required DMA "
15797 "size (%d) great than a page\n", reqlen
);
15801 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15805 /* Allocate DMA memory and set up the non-embedded mailbox command */
15806 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15807 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
, reqlen
,
15808 LPFC_SLI4_MBX_NEMBED
);
15810 if (alloclen
< reqlen
) {
15811 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15812 "0285 Allocated DMA memory size (%d) is "
15813 "less than the requested DMA memory "
15814 "size (%d)\n", alloclen
, reqlen
);
15815 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
15818 /* Set up the SGL pages in the non-embedded DMA pages */
15819 viraddr
= mbox
->sge_array
->addr
[0];
15820 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
15821 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
15824 list_for_each_entry_safe(sglq_entry
, sglq_next
, post_sgl_list
, list
) {
15825 /* Set up the sge entry */
15826 sgl_pg_pairs
->sgl_pg0_addr_lo
=
15827 cpu_to_le32(putPaddrLow(sglq_entry
->phys
));
15828 sgl_pg_pairs
->sgl_pg0_addr_hi
=
15829 cpu_to_le32(putPaddrHigh(sglq_entry
->phys
));
15830 sgl_pg_pairs
->sgl_pg1_addr_lo
=
15831 cpu_to_le32(putPaddrLow(0));
15832 sgl_pg_pairs
->sgl_pg1_addr_hi
=
15833 cpu_to_le32(putPaddrHigh(0));
15835 /* Keep the first xritag on the list */
15837 xritag_start
= sglq_entry
->sli4_xritag
;
15842 /* Complete initialization and perform endian conversion. */
15843 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xritag_start
);
15844 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, post_cnt
);
15845 sgl
->word0
= cpu_to_le32(sgl
->word0
);
15847 if (!phba
->sli4_hba
.intr_enable
)
15848 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
15850 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
15851 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
15853 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
15854 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15855 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15856 if (rc
!= MBX_TIMEOUT
)
15857 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
15858 if (shdr_status
|| shdr_add_status
|| rc
) {
15859 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15860 "2513 POST_SGL_BLOCK mailbox command failed "
15861 "status x%x add_status x%x mbx status x%x\n",
15862 shdr_status
, shdr_add_status
, rc
);
15869 * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware
15870 * @phba: pointer to lpfc hba data structure.
15871 * @sblist: pointer to scsi buffer list.
15872 * @count: number of scsi buffers on the list.
15874 * This routine is invoked to post a block of @count scsi sgl pages from a
15875 * SCSI buffer list @sblist to the HBA using non-embedded mailbox command.
15880 lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba
*phba
,
15881 struct list_head
*sblist
,
15884 struct lpfc_scsi_buf
*psb
;
15885 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
15886 struct sgl_page_pairs
*sgl_pg_pairs
;
15888 LPFC_MBOXQ_t
*mbox
;
15889 uint32_t reqlen
, alloclen
, pg_pairs
;
15891 uint16_t xritag_start
= 0;
15893 uint32_t shdr_status
, shdr_add_status
;
15894 dma_addr_t pdma_phys_bpl1
;
15895 union lpfc_sli4_cfg_shdr
*shdr
;
15897 /* Calculate the requested length of the dma memory */
15898 reqlen
= count
* sizeof(struct sgl_page_pairs
) +
15899 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
15900 if (reqlen
> SLI4_PAGE_SIZE
) {
15901 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
15902 "0217 Block sgl registration required DMA "
15903 "size (%d) great than a page\n", reqlen
);
15906 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15908 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15909 "0283 Failed to allocate mbox cmd memory\n");
15913 /* Allocate DMA memory and set up the non-embedded mailbox command */
15914 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15915 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
, reqlen
,
15916 LPFC_SLI4_MBX_NEMBED
);
15918 if (alloclen
< reqlen
) {
15919 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15920 "2561 Allocated DMA memory size (%d) is "
15921 "less than the requested DMA memory "
15922 "size (%d)\n", alloclen
, reqlen
);
15923 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
15927 /* Get the first SGE entry from the non-embedded DMA memory */
15928 viraddr
= mbox
->sge_array
->addr
[0];
15930 /* Set up the SGL pages in the non-embedded DMA pages */
15931 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
15932 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
15935 list_for_each_entry(psb
, sblist
, list
) {
15936 /* Set up the sge entry */
15937 sgl_pg_pairs
->sgl_pg0_addr_lo
=
15938 cpu_to_le32(putPaddrLow(psb
->dma_phys_bpl
));
15939 sgl_pg_pairs
->sgl_pg0_addr_hi
=
15940 cpu_to_le32(putPaddrHigh(psb
->dma_phys_bpl
));
15941 if (phba
->cfg_sg_dma_buf_size
> SGL_PAGE_SIZE
)
15942 pdma_phys_bpl1
= psb
->dma_phys_bpl
+ SGL_PAGE_SIZE
;
15944 pdma_phys_bpl1
= 0;
15945 sgl_pg_pairs
->sgl_pg1_addr_lo
=
15946 cpu_to_le32(putPaddrLow(pdma_phys_bpl1
));
15947 sgl_pg_pairs
->sgl_pg1_addr_hi
=
15948 cpu_to_le32(putPaddrHigh(pdma_phys_bpl1
));
15949 /* Keep the first xritag on the list */
15951 xritag_start
= psb
->cur_iocbq
.sli4_xritag
;
15955 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xritag_start
);
15956 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, pg_pairs
);
15957 /* Perform endian conversion if necessary */
15958 sgl
->word0
= cpu_to_le32(sgl
->word0
);
15960 if (!phba
->sli4_hba
.intr_enable
)
15961 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
15963 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
15964 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
15966 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
15967 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15968 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15969 if (rc
!= MBX_TIMEOUT
)
15970 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
15971 if (shdr_status
|| shdr_add_status
|| rc
) {
15972 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15973 "2564 POST_SGL_BLOCK mailbox command failed "
15974 "status x%x add_status x%x mbx status x%x\n",
15975 shdr_status
, shdr_add_status
, rc
);
15981 static char *lpfc_rctl_names
[] = FC_RCTL_NAMES_INIT
;
15982 static char *lpfc_type_names
[] = FC_TYPE_NAMES_INIT
;
15985 * lpfc_fc_frame_check - Check that this frame is a valid frame to handle
15986 * @phba: pointer to lpfc_hba struct that the frame was received on
15987 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
15989 * This function checks the fields in the @fc_hdr to see if the FC frame is a
15990 * valid type of frame that the LPFC driver will handle. This function will
15991 * return a zero if the frame is a valid frame or a non zero value when the
15992 * frame does not pass the check.
15995 lpfc_fc_frame_check(struct lpfc_hba
*phba
, struct fc_frame_header
*fc_hdr
)
15997 /* make rctl_names static to save stack space */
15998 struct fc_vft_header
*fc_vft_hdr
;
15999 uint32_t *header
= (uint32_t *) fc_hdr
;
16001 switch (fc_hdr
->fh_r_ctl
) {
16002 case FC_RCTL_DD_UNCAT
: /* uncategorized information */
16003 case FC_RCTL_DD_SOL_DATA
: /* solicited data */
16004 case FC_RCTL_DD_UNSOL_CTL
: /* unsolicited control */
16005 case FC_RCTL_DD_SOL_CTL
: /* solicited control or reply */
16006 case FC_RCTL_DD_UNSOL_DATA
: /* unsolicited data */
16007 case FC_RCTL_DD_DATA_DESC
: /* data descriptor */
16008 case FC_RCTL_DD_UNSOL_CMD
: /* unsolicited command */
16009 case FC_RCTL_DD_CMD_STATUS
: /* command status */
16010 case FC_RCTL_ELS_REQ
: /* extended link services request */
16011 case FC_RCTL_ELS_REP
: /* extended link services reply */
16012 case FC_RCTL_ELS4_REQ
: /* FC-4 ELS request */
16013 case FC_RCTL_ELS4_REP
: /* FC-4 ELS reply */
16014 case FC_RCTL_BA_NOP
: /* basic link service NOP */
16015 case FC_RCTL_BA_ABTS
: /* basic link service abort */
16016 case FC_RCTL_BA_RMC
: /* remove connection */
16017 case FC_RCTL_BA_ACC
: /* basic accept */
16018 case FC_RCTL_BA_RJT
: /* basic reject */
16019 case FC_RCTL_BA_PRMT
:
16020 case FC_RCTL_ACK_1
: /* acknowledge_1 */
16021 case FC_RCTL_ACK_0
: /* acknowledge_0 */
16022 case FC_RCTL_P_RJT
: /* port reject */
16023 case FC_RCTL_F_RJT
: /* fabric reject */
16024 case FC_RCTL_P_BSY
: /* port busy */
16025 case FC_RCTL_F_BSY
: /* fabric busy to data frame */
16026 case FC_RCTL_F_BSYL
: /* fabric busy to link control frame */
16027 case FC_RCTL_LCR
: /* link credit reset */
16028 case FC_RCTL_END
: /* end */
16030 case FC_RCTL_VFTH
: /* Virtual Fabric tagging Header */
16031 fc_vft_hdr
= (struct fc_vft_header
*)fc_hdr
;
16032 fc_hdr
= &((struct fc_frame_header
*)fc_vft_hdr
)[1];
16033 return lpfc_fc_frame_check(phba
, fc_hdr
);
16037 switch (fc_hdr
->fh_type
) {
16050 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
16051 "2538 Received frame rctl:%s (x%x), type:%s (x%x), "
16052 "frame Data:%08x %08x %08x %08x %08x %08x %08x\n",
16053 lpfc_rctl_names
[fc_hdr
->fh_r_ctl
], fc_hdr
->fh_r_ctl
,
16054 lpfc_type_names
[fc_hdr
->fh_type
], fc_hdr
->fh_type
,
16055 be32_to_cpu(header
[0]), be32_to_cpu(header
[1]),
16056 be32_to_cpu(header
[2]), be32_to_cpu(header
[3]),
16057 be32_to_cpu(header
[4]), be32_to_cpu(header
[5]),
16058 be32_to_cpu(header
[6]));
16061 lpfc_printf_log(phba
, KERN_WARNING
, LOG_ELS
,
16062 "2539 Dropped frame rctl:%s type:%s\n",
16063 lpfc_rctl_names
[fc_hdr
->fh_r_ctl
],
16064 lpfc_type_names
[fc_hdr
->fh_type
]);
16069 * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame
16070 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
16072 * This function processes the FC header to retrieve the VFI from the VF
16073 * header, if one exists. This function will return the VFI if one exists
16074 * or 0 if no VSAN Header exists.
16077 lpfc_fc_hdr_get_vfi(struct fc_frame_header
*fc_hdr
)
16079 struct fc_vft_header
*fc_vft_hdr
= (struct fc_vft_header
*)fc_hdr
;
16081 if (fc_hdr
->fh_r_ctl
!= FC_RCTL_VFTH
)
16083 return bf_get(fc_vft_hdr_vf_id
, fc_vft_hdr
);
16087 * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to
16088 * @phba: Pointer to the HBA structure to search for the vport on
16089 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
16090 * @fcfi: The FC Fabric ID that the frame came from
16092 * This function searches the @phba for a vport that matches the content of the
16093 * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the
16094 * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function
16095 * returns the matching vport pointer or NULL if unable to match frame to a
16098 static struct lpfc_vport
*
16099 lpfc_fc_frame_to_vport(struct lpfc_hba
*phba
, struct fc_frame_header
*fc_hdr
,
16100 uint16_t fcfi
, uint32_t did
)
16102 struct lpfc_vport
**vports
;
16103 struct lpfc_vport
*vport
= NULL
;
16106 if (did
== Fabric_DID
)
16107 return phba
->pport
;
16108 if ((phba
->pport
->fc_flag
& FC_PT2PT
) &&
16109 !(phba
->link_state
== LPFC_HBA_READY
))
16110 return phba
->pport
;
16112 vports
= lpfc_create_vport_work_array(phba
);
16113 if (vports
!= NULL
) {
16114 for (i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
16115 if (phba
->fcf
.fcfi
== fcfi
&&
16116 vports
[i
]->vfi
== lpfc_fc_hdr_get_vfi(fc_hdr
) &&
16117 vports
[i
]->fc_myDID
== did
) {
16123 lpfc_destroy_vport_work_array(phba
, vports
);
16128 * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp
16129 * @vport: The vport to work on.
16131 * This function updates the receive sequence time stamp for this vport. The
16132 * receive sequence time stamp indicates the time that the last frame of the
16133 * the sequence that has been idle for the longest amount of time was received.
16134 * the driver uses this time stamp to indicate if any received sequences have
16138 lpfc_update_rcv_time_stamp(struct lpfc_vport
*vport
)
16140 struct lpfc_dmabuf
*h_buf
;
16141 struct hbq_dmabuf
*dmabuf
= NULL
;
16143 /* get the oldest sequence on the rcv list */
16144 h_buf
= list_get_first(&vport
->rcv_buffer_list
,
16145 struct lpfc_dmabuf
, list
);
16148 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
16149 vport
->rcv_buffer_time_stamp
= dmabuf
->time_stamp
;
16153 * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences.
16154 * @vport: The vport that the received sequences were sent to.
16156 * This function cleans up all outstanding received sequences. This is called
16157 * by the driver when a link event or user action invalidates all the received
16161 lpfc_cleanup_rcv_buffers(struct lpfc_vport
*vport
)
16163 struct lpfc_dmabuf
*h_buf
, *hnext
;
16164 struct lpfc_dmabuf
*d_buf
, *dnext
;
16165 struct hbq_dmabuf
*dmabuf
= NULL
;
16167 /* start with the oldest sequence on the rcv list */
16168 list_for_each_entry_safe(h_buf
, hnext
, &vport
->rcv_buffer_list
, list
) {
16169 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
16170 list_del_init(&dmabuf
->hbuf
.list
);
16171 list_for_each_entry_safe(d_buf
, dnext
,
16172 &dmabuf
->dbuf
.list
, list
) {
16173 list_del_init(&d_buf
->list
);
16174 lpfc_in_buf_free(vport
->phba
, d_buf
);
16176 lpfc_in_buf_free(vport
->phba
, &dmabuf
->dbuf
);
16181 * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences.
16182 * @vport: The vport that the received sequences were sent to.
16184 * This function determines whether any received sequences have timed out by
16185 * first checking the vport's rcv_buffer_time_stamp. If this time_stamp
16186 * indicates that there is at least one timed out sequence this routine will
16187 * go through the received sequences one at a time from most inactive to most
16188 * active to determine which ones need to be cleaned up. Once it has determined
16189 * that a sequence needs to be cleaned up it will simply free up the resources
16190 * without sending an abort.
16193 lpfc_rcv_seq_check_edtov(struct lpfc_vport
*vport
)
16195 struct lpfc_dmabuf
*h_buf
, *hnext
;
16196 struct lpfc_dmabuf
*d_buf
, *dnext
;
16197 struct hbq_dmabuf
*dmabuf
= NULL
;
16198 unsigned long timeout
;
16199 int abort_count
= 0;
16201 timeout
= (msecs_to_jiffies(vport
->phba
->fc_edtov
) +
16202 vport
->rcv_buffer_time_stamp
);
16203 if (list_empty(&vport
->rcv_buffer_list
) ||
16204 time_before(jiffies
, timeout
))
16206 /* start with the oldest sequence on the rcv list */
16207 list_for_each_entry_safe(h_buf
, hnext
, &vport
->rcv_buffer_list
, list
) {
16208 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
16209 timeout
= (msecs_to_jiffies(vport
->phba
->fc_edtov
) +
16210 dmabuf
->time_stamp
);
16211 if (time_before(jiffies
, timeout
))
16214 list_del_init(&dmabuf
->hbuf
.list
);
16215 list_for_each_entry_safe(d_buf
, dnext
,
16216 &dmabuf
->dbuf
.list
, list
) {
16217 list_del_init(&d_buf
->list
);
16218 lpfc_in_buf_free(vport
->phba
, d_buf
);
16220 lpfc_in_buf_free(vport
->phba
, &dmabuf
->dbuf
);
16223 lpfc_update_rcv_time_stamp(vport
);
16227 * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences
16228 * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame
16230 * This function searches through the existing incomplete sequences that have
16231 * been sent to this @vport. If the frame matches one of the incomplete
16232 * sequences then the dbuf in the @dmabuf is added to the list of frames that
16233 * make up that sequence. If no sequence is found that matches this frame then
16234 * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list
16235 * This function returns a pointer to the first dmabuf in the sequence list that
16236 * the frame was linked to.
16238 static struct hbq_dmabuf
*
16239 lpfc_fc_frame_add(struct lpfc_vport
*vport
, struct hbq_dmabuf
*dmabuf
)
16241 struct fc_frame_header
*new_hdr
;
16242 struct fc_frame_header
*temp_hdr
;
16243 struct lpfc_dmabuf
*d_buf
;
16244 struct lpfc_dmabuf
*h_buf
;
16245 struct hbq_dmabuf
*seq_dmabuf
= NULL
;
16246 struct hbq_dmabuf
*temp_dmabuf
= NULL
;
16249 INIT_LIST_HEAD(&dmabuf
->dbuf
.list
);
16250 dmabuf
->time_stamp
= jiffies
;
16251 new_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
16253 /* Use the hdr_buf to find the sequence that this frame belongs to */
16254 list_for_each_entry(h_buf
, &vport
->rcv_buffer_list
, list
) {
16255 temp_hdr
= (struct fc_frame_header
*)h_buf
->virt
;
16256 if ((temp_hdr
->fh_seq_id
!= new_hdr
->fh_seq_id
) ||
16257 (temp_hdr
->fh_ox_id
!= new_hdr
->fh_ox_id
) ||
16258 (memcmp(&temp_hdr
->fh_s_id
, &new_hdr
->fh_s_id
, 3)))
16260 /* found a pending sequence that matches this frame */
16261 seq_dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
16266 * This indicates first frame received for this sequence.
16267 * Queue the buffer on the vport's rcv_buffer_list.
16269 list_add_tail(&dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
16270 lpfc_update_rcv_time_stamp(vport
);
16273 temp_hdr
= seq_dmabuf
->hbuf
.virt
;
16274 if (be16_to_cpu(new_hdr
->fh_seq_cnt
) <
16275 be16_to_cpu(temp_hdr
->fh_seq_cnt
)) {
16276 list_del_init(&seq_dmabuf
->hbuf
.list
);
16277 list_add_tail(&dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
16278 list_add_tail(&dmabuf
->dbuf
.list
, &seq_dmabuf
->dbuf
.list
);
16279 lpfc_update_rcv_time_stamp(vport
);
16282 /* move this sequence to the tail to indicate a young sequence */
16283 list_move_tail(&seq_dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
16284 seq_dmabuf
->time_stamp
= jiffies
;
16285 lpfc_update_rcv_time_stamp(vport
);
16286 if (list_empty(&seq_dmabuf
->dbuf
.list
)) {
16287 temp_hdr
= dmabuf
->hbuf
.virt
;
16288 list_add_tail(&dmabuf
->dbuf
.list
, &seq_dmabuf
->dbuf
.list
);
16291 /* find the correct place in the sequence to insert this frame */
16292 d_buf
= list_entry(seq_dmabuf
->dbuf
.list
.prev
, typeof(*d_buf
), list
);
16294 temp_dmabuf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
16295 temp_hdr
= (struct fc_frame_header
*)temp_dmabuf
->hbuf
.virt
;
16297 * If the frame's sequence count is greater than the frame on
16298 * the list then insert the frame right after this frame
16300 if (be16_to_cpu(new_hdr
->fh_seq_cnt
) >
16301 be16_to_cpu(temp_hdr
->fh_seq_cnt
)) {
16302 list_add(&dmabuf
->dbuf
.list
, &temp_dmabuf
->dbuf
.list
);
16307 if (&d_buf
->list
== &seq_dmabuf
->dbuf
.list
)
16309 d_buf
= list_entry(d_buf
->list
.prev
, typeof(*d_buf
), list
);
16318 * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence
16319 * @vport: pointer to a vitural port
16320 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16322 * This function tries to abort from the partially assembed sequence, described
16323 * by the information from basic abbort @dmabuf. It checks to see whether such
16324 * partially assembled sequence held by the driver. If so, it shall free up all
16325 * the frames from the partially assembled sequence.
16328 * true -- if there is matching partially assembled sequence present and all
16329 * the frames freed with the sequence;
16330 * false -- if there is no matching partially assembled sequence present so
16331 * nothing got aborted in the lower layer driver
16334 lpfc_sli4_abort_partial_seq(struct lpfc_vport
*vport
,
16335 struct hbq_dmabuf
*dmabuf
)
16337 struct fc_frame_header
*new_hdr
;
16338 struct fc_frame_header
*temp_hdr
;
16339 struct lpfc_dmabuf
*d_buf
, *n_buf
, *h_buf
;
16340 struct hbq_dmabuf
*seq_dmabuf
= NULL
;
16342 /* Use the hdr_buf to find the sequence that matches this frame */
16343 INIT_LIST_HEAD(&dmabuf
->dbuf
.list
);
16344 INIT_LIST_HEAD(&dmabuf
->hbuf
.list
);
16345 new_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
16346 list_for_each_entry(h_buf
, &vport
->rcv_buffer_list
, list
) {
16347 temp_hdr
= (struct fc_frame_header
*)h_buf
->virt
;
16348 if ((temp_hdr
->fh_seq_id
!= new_hdr
->fh_seq_id
) ||
16349 (temp_hdr
->fh_ox_id
!= new_hdr
->fh_ox_id
) ||
16350 (memcmp(&temp_hdr
->fh_s_id
, &new_hdr
->fh_s_id
, 3)))
16352 /* found a pending sequence that matches this frame */
16353 seq_dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
16357 /* Free up all the frames from the partially assembled sequence */
16359 list_for_each_entry_safe(d_buf
, n_buf
,
16360 &seq_dmabuf
->dbuf
.list
, list
) {
16361 list_del_init(&d_buf
->list
);
16362 lpfc_in_buf_free(vport
->phba
, d_buf
);
16370 * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp
16371 * @vport: pointer to a vitural port
16372 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16374 * This function tries to abort from the assembed sequence from upper level
16375 * protocol, described by the information from basic abbort @dmabuf. It
16376 * checks to see whether such pending context exists at upper level protocol.
16377 * If so, it shall clean up the pending context.
16380 * true -- if there is matching pending context of the sequence cleaned
16382 * false -- if there is no matching pending context of the sequence present
16386 lpfc_sli4_abort_ulp_seq(struct lpfc_vport
*vport
, struct hbq_dmabuf
*dmabuf
)
16388 struct lpfc_hba
*phba
= vport
->phba
;
16391 /* Accepting abort at ulp with SLI4 only */
16392 if (phba
->sli_rev
< LPFC_SLI_REV4
)
16395 /* Register all caring upper level protocols to attend abort */
16396 handled
= lpfc_ct_handle_unsol_abort(phba
, dmabuf
);
16404 * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler
16405 * @phba: Pointer to HBA context object.
16406 * @cmd_iocbq: pointer to the command iocbq structure.
16407 * @rsp_iocbq: pointer to the response iocbq structure.
16409 * This function handles the sequence abort response iocb command complete
16410 * event. It properly releases the memory allocated to the sequence abort
16414 lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba
*phba
,
16415 struct lpfc_iocbq
*cmd_iocbq
,
16416 struct lpfc_iocbq
*rsp_iocbq
)
16418 struct lpfc_nodelist
*ndlp
;
16421 ndlp
= (struct lpfc_nodelist
*)cmd_iocbq
->context1
;
16422 lpfc_nlp_put(ndlp
);
16423 lpfc_nlp_not_used(ndlp
);
16424 lpfc_sli_release_iocbq(phba
, cmd_iocbq
);
16427 /* Failure means BLS ABORT RSP did not get delivered to remote node*/
16428 if (rsp_iocbq
&& rsp_iocbq
->iocb
.ulpStatus
)
16429 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
16430 "3154 BLS ABORT RSP failed, data: x%x/x%x\n",
16431 rsp_iocbq
->iocb
.ulpStatus
,
16432 rsp_iocbq
->iocb
.un
.ulpWord
[4]);
16436 * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver.
16437 * @phba: Pointer to HBA context object.
16438 * @xri: xri id in transaction.
16440 * This function validates the xri maps to the known range of XRIs allocated an
16441 * used by the driver.
16444 lpfc_sli4_xri_inrange(struct lpfc_hba
*phba
,
16449 for (i
= 0; i
< phba
->sli4_hba
.max_cfg_param
.max_xri
; i
++) {
16450 if (xri
== phba
->sli4_hba
.xri_ids
[i
])
16457 * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort
16458 * @phba: Pointer to HBA context object.
16459 * @fc_hdr: pointer to a FC frame header.
16461 * This function sends a basic response to a previous unsol sequence abort
16462 * event after aborting the sequence handling.
16465 lpfc_sli4_seq_abort_rsp(struct lpfc_vport
*vport
,
16466 struct fc_frame_header
*fc_hdr
, bool aborted
)
16468 struct lpfc_hba
*phba
= vport
->phba
;
16469 struct lpfc_iocbq
*ctiocb
= NULL
;
16470 struct lpfc_nodelist
*ndlp
;
16471 uint16_t oxid
, rxid
, xri
, lxri
;
16472 uint32_t sid
, fctl
;
16476 if (!lpfc_is_link_up(phba
))
16479 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
16480 oxid
= be16_to_cpu(fc_hdr
->fh_ox_id
);
16481 rxid
= be16_to_cpu(fc_hdr
->fh_rx_id
);
16483 ndlp
= lpfc_findnode_did(vport
, sid
);
16485 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
16487 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_ELS
,
16488 "1268 Failed to allocate ndlp for "
16489 "oxid:x%x SID:x%x\n", oxid
, sid
);
16492 lpfc_nlp_init(vport
, ndlp
, sid
);
16493 /* Put ndlp onto pport node list */
16494 lpfc_enqueue_node(vport
, ndlp
);
16495 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
16496 /* re-setup ndlp without removing from node list */
16497 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
16499 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_ELS
,
16500 "3275 Failed to active ndlp found "
16501 "for oxid:x%x SID:x%x\n", oxid
, sid
);
16506 /* Allocate buffer for rsp iocb */
16507 ctiocb
= lpfc_sli_get_iocbq(phba
);
16511 /* Extract the F_CTL field from FC_HDR */
16512 fctl
= sli4_fctl_from_fc_hdr(fc_hdr
);
16514 icmd
= &ctiocb
->iocb
;
16515 icmd
->un
.xseq64
.bdl
.bdeSize
= 0;
16516 icmd
->un
.xseq64
.bdl
.ulpIoTag32
= 0;
16517 icmd
->un
.xseq64
.w5
.hcsw
.Dfctl
= 0;
16518 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_ACC
;
16519 icmd
->un
.xseq64
.w5
.hcsw
.Type
= FC_TYPE_BLS
;
16521 /* Fill in the rest of iocb fields */
16522 icmd
->ulpCommand
= CMD_XMIT_BLS_RSP64_CX
;
16523 icmd
->ulpBdeCount
= 0;
16525 icmd
->ulpClass
= CLASS3
;
16526 icmd
->ulpContext
= phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
];
16527 ctiocb
->context1
= lpfc_nlp_get(ndlp
);
16529 ctiocb
->iocb_cmpl
= NULL
;
16530 ctiocb
->vport
= phba
->pport
;
16531 ctiocb
->iocb_cmpl
= lpfc_sli4_seq_abort_rsp_cmpl
;
16532 ctiocb
->sli4_lxritag
= NO_XRI
;
16533 ctiocb
->sli4_xritag
= NO_XRI
;
16535 if (fctl
& FC_FC_EX_CTX
)
16536 /* Exchange responder sent the abort so we
16542 lxri
= lpfc_sli4_xri_inrange(phba
, xri
);
16543 if (lxri
!= NO_XRI
)
16544 lpfc_set_rrq_active(phba
, ndlp
, lxri
,
16545 (xri
== oxid
) ? rxid
: oxid
, 0);
16546 /* For BA_ABTS from exchange responder, if the logical xri with
16547 * the oxid maps to the FCP XRI range, the port no longer has
16548 * that exchange context, send a BLS_RJT. Override the IOCB for
16551 if ((fctl
& FC_FC_EX_CTX
) &&
16552 (lxri
> lpfc_sli4_get_iocb_cnt(phba
))) {
16553 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_RJT
;
16554 bf_set(lpfc_vndr_code
, &icmd
->un
.bls_rsp
, 0);
16555 bf_set(lpfc_rsn_expln
, &icmd
->un
.bls_rsp
, FC_BA_RJT_INV_XID
);
16556 bf_set(lpfc_rsn_code
, &icmd
->un
.bls_rsp
, FC_BA_RJT_UNABLE
);
16559 /* If BA_ABTS failed to abort a partially assembled receive sequence,
16560 * the driver no longer has that exchange, send a BLS_RJT. Override
16561 * the IOCB for a BA_RJT.
16563 if (aborted
== false) {
16564 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_RJT
;
16565 bf_set(lpfc_vndr_code
, &icmd
->un
.bls_rsp
, 0);
16566 bf_set(lpfc_rsn_expln
, &icmd
->un
.bls_rsp
, FC_BA_RJT_INV_XID
);
16567 bf_set(lpfc_rsn_code
, &icmd
->un
.bls_rsp
, FC_BA_RJT_UNABLE
);
16570 if (fctl
& FC_FC_EX_CTX
) {
16571 /* ABTS sent by responder to CT exchange, construction
16572 * of BA_ACC will use OX_ID from ABTS for the XRI_TAG
16573 * field and RX_ID from ABTS for RX_ID field.
16575 bf_set(lpfc_abts_orig
, &icmd
->un
.bls_rsp
, LPFC_ABTS_UNSOL_RSP
);
16577 /* ABTS sent by initiator to CT exchange, construction
16578 * of BA_ACC will need to allocate a new XRI as for the
16581 bf_set(lpfc_abts_orig
, &icmd
->un
.bls_rsp
, LPFC_ABTS_UNSOL_INT
);
16583 bf_set(lpfc_abts_rxid
, &icmd
->un
.bls_rsp
, rxid
);
16584 bf_set(lpfc_abts_oxid
, &icmd
->un
.bls_rsp
, oxid
);
16586 /* Xmit CT abts response on exchange <xid> */
16587 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_ELS
,
16588 "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n",
16589 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
, oxid
, phba
->link_state
);
16591 rc
= lpfc_sli_issue_iocb(phba
, LPFC_ELS_RING
, ctiocb
, 0);
16592 if (rc
== IOCB_ERROR
) {
16593 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_ELS
,
16594 "2925 Failed to issue CT ABTS RSP x%x on "
16595 "xri x%x, Data x%x\n",
16596 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
, oxid
,
16598 lpfc_nlp_put(ndlp
);
16599 ctiocb
->context1
= NULL
;
16600 lpfc_sli_release_iocbq(phba
, ctiocb
);
16605 * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event
16606 * @vport: Pointer to the vport on which this sequence was received
16607 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16609 * This function handles an SLI-4 unsolicited abort event. If the unsolicited
16610 * receive sequence is only partially assembed by the driver, it shall abort
16611 * the partially assembled frames for the sequence. Otherwise, if the
16612 * unsolicited receive sequence has been completely assembled and passed to
16613 * the Upper Layer Protocol (UPL), it then mark the per oxid status for the
16614 * unsolicited sequence has been aborted. After that, it will issue a basic
16615 * accept to accept the abort.
16618 lpfc_sli4_handle_unsol_abort(struct lpfc_vport
*vport
,
16619 struct hbq_dmabuf
*dmabuf
)
16621 struct lpfc_hba
*phba
= vport
->phba
;
16622 struct fc_frame_header fc_hdr
;
16626 /* Make a copy of fc_hdr before the dmabuf being released */
16627 memcpy(&fc_hdr
, dmabuf
->hbuf
.virt
, sizeof(struct fc_frame_header
));
16628 fctl
= sli4_fctl_from_fc_hdr(&fc_hdr
);
16630 if (fctl
& FC_FC_EX_CTX
) {
16631 /* ABTS by responder to exchange, no cleanup needed */
16634 /* ABTS by initiator to exchange, need to do cleanup */
16635 aborted
= lpfc_sli4_abort_partial_seq(vport
, dmabuf
);
16636 if (aborted
== false)
16637 aborted
= lpfc_sli4_abort_ulp_seq(vport
, dmabuf
);
16639 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
16641 /* Respond with BA_ACC or BA_RJT accordingly */
16642 lpfc_sli4_seq_abort_rsp(vport
, &fc_hdr
, aborted
);
16646 * lpfc_seq_complete - Indicates if a sequence is complete
16647 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16649 * This function checks the sequence, starting with the frame described by
16650 * @dmabuf, to see if all the frames associated with this sequence are present.
16651 * the frames associated with this sequence are linked to the @dmabuf using the
16652 * dbuf list. This function looks for two major things. 1) That the first frame
16653 * has a sequence count of zero. 2) There is a frame with last frame of sequence
16654 * set. 3) That there are no holes in the sequence count. The function will
16655 * return 1 when the sequence is complete, otherwise it will return 0.
16658 lpfc_seq_complete(struct hbq_dmabuf
*dmabuf
)
16660 struct fc_frame_header
*hdr
;
16661 struct lpfc_dmabuf
*d_buf
;
16662 struct hbq_dmabuf
*seq_dmabuf
;
16666 hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
16667 /* make sure first fame of sequence has a sequence count of zero */
16668 if (hdr
->fh_seq_cnt
!= seq_count
)
16670 fctl
= (hdr
->fh_f_ctl
[0] << 16 |
16671 hdr
->fh_f_ctl
[1] << 8 |
16673 /* If last frame of sequence we can return success. */
16674 if (fctl
& FC_FC_END_SEQ
)
16676 list_for_each_entry(d_buf
, &dmabuf
->dbuf
.list
, list
) {
16677 seq_dmabuf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
16678 hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
16679 /* If there is a hole in the sequence count then fail. */
16680 if (++seq_count
!= be16_to_cpu(hdr
->fh_seq_cnt
))
16682 fctl
= (hdr
->fh_f_ctl
[0] << 16 |
16683 hdr
->fh_f_ctl
[1] << 8 |
16685 /* If last frame of sequence we can return success. */
16686 if (fctl
& FC_FC_END_SEQ
)
16693 * lpfc_prep_seq - Prep sequence for ULP processing
16694 * @vport: Pointer to the vport on which this sequence was received
16695 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16697 * This function takes a sequence, described by a list of frames, and creates
16698 * a list of iocbq structures to describe the sequence. This iocbq list will be
16699 * used to issue to the generic unsolicited sequence handler. This routine
16700 * returns a pointer to the first iocbq in the list. If the function is unable
16701 * to allocate an iocbq then it throw out the received frames that were not
16702 * able to be described and return a pointer to the first iocbq. If unable to
16703 * allocate any iocbqs (including the first) this function will return NULL.
16705 static struct lpfc_iocbq
*
16706 lpfc_prep_seq(struct lpfc_vport
*vport
, struct hbq_dmabuf
*seq_dmabuf
)
16708 struct hbq_dmabuf
*hbq_buf
;
16709 struct lpfc_dmabuf
*d_buf
, *n_buf
;
16710 struct lpfc_iocbq
*first_iocbq
, *iocbq
;
16711 struct fc_frame_header
*fc_hdr
;
16713 uint32_t len
, tot_len
;
16714 struct ulp_bde64
*pbde
;
16716 fc_hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
16717 /* remove from receive buffer list */
16718 list_del_init(&seq_dmabuf
->hbuf
.list
);
16719 lpfc_update_rcv_time_stamp(vport
);
16720 /* get the Remote Port's SID */
16721 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
16723 /* Get an iocbq struct to fill in. */
16724 first_iocbq
= lpfc_sli_get_iocbq(vport
->phba
);
16726 /* Initialize the first IOCB. */
16727 first_iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= 0;
16728 first_iocbq
->iocb
.ulpStatus
= IOSTAT_SUCCESS
;
16729 first_iocbq
->vport
= vport
;
16731 /* Check FC Header to see what TYPE of frame we are rcv'ing */
16732 if (sli4_type_from_fc_hdr(fc_hdr
) == FC_TYPE_ELS
) {
16733 first_iocbq
->iocb
.ulpCommand
= CMD_IOCB_RCV_ELS64_CX
;
16734 first_iocbq
->iocb
.un
.rcvels
.parmRo
=
16735 sli4_did_from_fc_hdr(fc_hdr
);
16736 first_iocbq
->iocb
.ulpPU
= PARM_NPIV_DID
;
16738 first_iocbq
->iocb
.ulpCommand
= CMD_IOCB_RCV_SEQ64_CX
;
16739 first_iocbq
->iocb
.ulpContext
= NO_XRI
;
16740 first_iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
=
16741 be16_to_cpu(fc_hdr
->fh_ox_id
);
16742 /* iocbq is prepped for internal consumption. Physical vpi. */
16743 first_iocbq
->iocb
.unsli3
.rcvsli3
.vpi
=
16744 vport
->phba
->vpi_ids
[vport
->vpi
];
16745 /* put the first buffer into the first IOCBq */
16746 tot_len
= bf_get(lpfc_rcqe_length
,
16747 &seq_dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
16749 first_iocbq
->context2
= &seq_dmabuf
->dbuf
;
16750 first_iocbq
->context3
= NULL
;
16751 first_iocbq
->iocb
.ulpBdeCount
= 1;
16752 if (tot_len
> LPFC_DATA_BUF_SIZE
)
16753 first_iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
=
16754 LPFC_DATA_BUF_SIZE
;
16756 first_iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
= tot_len
;
16758 first_iocbq
->iocb
.un
.rcvels
.remoteID
= sid
;
16760 first_iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= tot_len
;
16762 iocbq
= first_iocbq
;
16764 * Each IOCBq can have two Buffers assigned, so go through the list
16765 * of buffers for this sequence and save two buffers in each IOCBq
16767 list_for_each_entry_safe(d_buf
, n_buf
, &seq_dmabuf
->dbuf
.list
, list
) {
16769 lpfc_in_buf_free(vport
->phba
, d_buf
);
16772 if (!iocbq
->context3
) {
16773 iocbq
->context3
= d_buf
;
16774 iocbq
->iocb
.ulpBdeCount
++;
16775 /* We need to get the size out of the right CQE */
16776 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
16777 len
= bf_get(lpfc_rcqe_length
,
16778 &hbq_buf
->cq_event
.cqe
.rcqe_cmpl
);
16779 pbde
= (struct ulp_bde64
*)
16780 &iocbq
->iocb
.unsli3
.sli3Words
[4];
16781 if (len
> LPFC_DATA_BUF_SIZE
)
16782 pbde
->tus
.f
.bdeSize
= LPFC_DATA_BUF_SIZE
;
16784 pbde
->tus
.f
.bdeSize
= len
;
16786 iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
+= len
;
16789 iocbq
= lpfc_sli_get_iocbq(vport
->phba
);
16792 first_iocbq
->iocb
.ulpStatus
=
16793 IOSTAT_FCP_RSP_ERROR
;
16794 first_iocbq
->iocb
.un
.ulpWord
[4] =
16795 IOERR_NO_RESOURCES
;
16797 lpfc_in_buf_free(vport
->phba
, d_buf
);
16800 /* We need to get the size out of the right CQE */
16801 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
16802 len
= bf_get(lpfc_rcqe_length
,
16803 &hbq_buf
->cq_event
.cqe
.rcqe_cmpl
);
16804 iocbq
->context2
= d_buf
;
16805 iocbq
->context3
= NULL
;
16806 iocbq
->iocb
.ulpBdeCount
= 1;
16807 if (len
> LPFC_DATA_BUF_SIZE
)
16808 iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
=
16809 LPFC_DATA_BUF_SIZE
;
16811 iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
= len
;
16814 iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= tot_len
;
16816 iocbq
->iocb
.un
.rcvels
.remoteID
= sid
;
16817 list_add_tail(&iocbq
->list
, &first_iocbq
->list
);
16820 return first_iocbq
;
16824 lpfc_sli4_send_seq_to_ulp(struct lpfc_vport
*vport
,
16825 struct hbq_dmabuf
*seq_dmabuf
)
16827 struct fc_frame_header
*fc_hdr
;
16828 struct lpfc_iocbq
*iocbq
, *curr_iocb
, *next_iocb
;
16829 struct lpfc_hba
*phba
= vport
->phba
;
16831 fc_hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
16832 iocbq
= lpfc_prep_seq(vport
, seq_dmabuf
);
16834 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
16835 "2707 Ring %d handler: Failed to allocate "
16836 "iocb Rctl x%x Type x%x received\n",
16838 fc_hdr
->fh_r_ctl
, fc_hdr
->fh_type
);
16841 if (!lpfc_complete_unsol_iocb(phba
,
16842 phba
->sli4_hba
.els_wq
->pring
,
16843 iocbq
, fc_hdr
->fh_r_ctl
,
16845 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
16846 "2540 Ring %d handler: unexpected Rctl "
16847 "x%x Type x%x received\n",
16849 fc_hdr
->fh_r_ctl
, fc_hdr
->fh_type
);
16851 /* Free iocb created in lpfc_prep_seq */
16852 list_for_each_entry_safe(curr_iocb
, next_iocb
,
16853 &iocbq
->list
, list
) {
16854 list_del_init(&curr_iocb
->list
);
16855 lpfc_sli_release_iocbq(phba
, curr_iocb
);
16857 lpfc_sli_release_iocbq(phba
, iocbq
);
16861 * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware
16862 * @phba: Pointer to HBA context object.
16864 * This function is called with no lock held. This function processes all
16865 * the received buffers and gives it to upper layers when a received buffer
16866 * indicates that it is the final frame in the sequence. The interrupt
16867 * service routine processes received buffers at interrupt contexts.
16868 * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the
16869 * appropriate receive function when the final frame in a sequence is received.
16872 lpfc_sli4_handle_received_buffer(struct lpfc_hba
*phba
,
16873 struct hbq_dmabuf
*dmabuf
)
16875 struct hbq_dmabuf
*seq_dmabuf
;
16876 struct fc_frame_header
*fc_hdr
;
16877 struct lpfc_vport
*vport
;
16881 /* Process each received buffer */
16882 fc_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
16884 /* check to see if this a valid type of frame */
16885 if (lpfc_fc_frame_check(phba
, fc_hdr
)) {
16886 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
16890 if ((bf_get(lpfc_cqe_code
,
16891 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
) == CQE_CODE_RECEIVE_V1
))
16892 fcfi
= bf_get(lpfc_rcqe_fcf_id_v1
,
16893 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
16895 fcfi
= bf_get(lpfc_rcqe_fcf_id
,
16896 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
16898 /* d_id this frame is directed to */
16899 did
= sli4_did_from_fc_hdr(fc_hdr
);
16901 vport
= lpfc_fc_frame_to_vport(phba
, fc_hdr
, fcfi
, did
);
16903 /* throw out the frame */
16904 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
16908 /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */
16909 if (!(vport
->vpi_state
& LPFC_VPI_REGISTERED
) &&
16910 (did
!= Fabric_DID
)) {
16912 * Throw out the frame if we are not pt2pt.
16913 * The pt2pt protocol allows for discovery frames
16914 * to be received without a registered VPI.
16916 if (!(vport
->fc_flag
& FC_PT2PT
) ||
16917 (phba
->link_state
== LPFC_HBA_READY
)) {
16918 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
16923 /* Handle the basic abort sequence (BA_ABTS) event */
16924 if (fc_hdr
->fh_r_ctl
== FC_RCTL_BA_ABTS
) {
16925 lpfc_sli4_handle_unsol_abort(vport
, dmabuf
);
16929 /* Link this frame */
16930 seq_dmabuf
= lpfc_fc_frame_add(vport
, dmabuf
);
16932 /* unable to add frame to vport - throw it out */
16933 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
16936 /* If not last frame in sequence continue processing frames. */
16937 if (!lpfc_seq_complete(seq_dmabuf
))
16940 /* Send the complete sequence to the upper layer protocol */
16941 lpfc_sli4_send_seq_to_ulp(vport
, seq_dmabuf
);
16945 * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port
16946 * @phba: pointer to lpfc hba data structure.
16948 * This routine is invoked to post rpi header templates to the
16949 * HBA consistent with the SLI-4 interface spec. This routine
16950 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
16951 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
16953 * This routine does not require any locks. It's usage is expected
16954 * to be driver load or reset recovery when the driver is
16959 * -EIO - The mailbox failed to complete successfully.
16960 * When this error occurs, the driver is not guaranteed
16961 * to have any rpi regions posted to the device and
16962 * must either attempt to repost the regions or take a
16966 lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba
*phba
)
16968 struct lpfc_rpi_hdr
*rpi_page
;
16972 /* SLI4 ports that support extents do not require RPI headers. */
16973 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
16975 if (phba
->sli4_hba
.extents_in_use
)
16978 list_for_each_entry(rpi_page
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
16980 * Assign the rpi headers a physical rpi only if the driver
16981 * has not initialized those resources. A port reset only
16982 * needs the headers posted.
16984 if (bf_get(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) !=
16986 rpi_page
->start_rpi
= phba
->sli4_hba
.rpi_ids
[lrpi
];
16988 rc
= lpfc_sli4_post_rpi_hdr(phba
, rpi_page
);
16989 if (rc
!= MBX_SUCCESS
) {
16990 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
16991 "2008 Error %d posting all rpi "
16999 bf_set(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
17000 LPFC_RPI_RSRC_RDY
);
17005 * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port
17006 * @phba: pointer to lpfc hba data structure.
17007 * @rpi_page: pointer to the rpi memory region.
17009 * This routine is invoked to post a single rpi header to the
17010 * HBA consistent with the SLI-4 interface spec. This memory region
17011 * maps up to 64 rpi context regions.
17015 * -ENOMEM - No available memory
17016 * -EIO - The mailbox failed to complete successfully.
17019 lpfc_sli4_post_rpi_hdr(struct lpfc_hba
*phba
, struct lpfc_rpi_hdr
*rpi_page
)
17021 LPFC_MBOXQ_t
*mboxq
;
17022 struct lpfc_mbx_post_hdr_tmpl
*hdr_tmpl
;
17024 uint32_t shdr_status
, shdr_add_status
;
17025 union lpfc_sli4_cfg_shdr
*shdr
;
17027 /* SLI4 ports that support extents do not require RPI headers. */
17028 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
17030 if (phba
->sli4_hba
.extents_in_use
)
17033 /* The port is notified of the header region via a mailbox command. */
17034 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17036 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
17037 "2001 Unable to allocate memory for issuing "
17038 "SLI_CONFIG_SPECIAL mailbox command\n");
17042 /* Post all rpi memory regions to the port. */
17043 hdr_tmpl
= &mboxq
->u
.mqe
.un
.hdr_tmpl
;
17044 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
17045 LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE
,
17046 sizeof(struct lpfc_mbx_post_hdr_tmpl
) -
17047 sizeof(struct lpfc_sli4_cfg_mhdr
),
17048 LPFC_SLI4_MBX_EMBED
);
17051 /* Post the physical rpi to the port for this rpi header. */
17052 bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset
, hdr_tmpl
,
17053 rpi_page
->start_rpi
);
17054 bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt
,
17055 hdr_tmpl
, rpi_page
->page_count
);
17057 hdr_tmpl
->rpi_paddr_lo
= putPaddrLow(rpi_page
->dmabuf
->phys
);
17058 hdr_tmpl
->rpi_paddr_hi
= putPaddrHigh(rpi_page
->dmabuf
->phys
);
17059 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
17060 shdr
= (union lpfc_sli4_cfg_shdr
*) &hdr_tmpl
->header
.cfg_shdr
;
17061 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
17062 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
17063 if (rc
!= MBX_TIMEOUT
)
17064 mempool_free(mboxq
, phba
->mbox_mem_pool
);
17065 if (shdr_status
|| shdr_add_status
|| rc
) {
17066 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
17067 "2514 POST_RPI_HDR mailbox failed with "
17068 "status x%x add_status x%x, mbx status x%x\n",
17069 shdr_status
, shdr_add_status
, rc
);
17076 * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range
17077 * @phba: pointer to lpfc hba data structure.
17079 * This routine is invoked to post rpi header templates to the
17080 * HBA consistent with the SLI-4 interface spec. This routine
17081 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
17082 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
17085 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
17086 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
17089 lpfc_sli4_alloc_rpi(struct lpfc_hba
*phba
)
17092 uint16_t max_rpi
, rpi_limit
;
17093 uint16_t rpi_remaining
, lrpi
= 0;
17094 struct lpfc_rpi_hdr
*rpi_hdr
;
17095 unsigned long iflag
;
17098 * Fetch the next logical rpi. Because this index is logical,
17099 * the driver starts at 0 each time.
17101 spin_lock_irqsave(&phba
->hbalock
, iflag
);
17102 max_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
17103 rpi_limit
= phba
->sli4_hba
.next_rpi
;
17105 rpi
= find_next_zero_bit(phba
->sli4_hba
.rpi_bmask
, rpi_limit
, 0);
17106 if (rpi
>= rpi_limit
)
17107 rpi
= LPFC_RPI_ALLOC_ERROR
;
17109 set_bit(rpi
, phba
->sli4_hba
.rpi_bmask
);
17110 phba
->sli4_hba
.max_cfg_param
.rpi_used
++;
17111 phba
->sli4_hba
.rpi_count
++;
17113 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
17114 "0001 rpi:%x max:%x lim:%x\n",
17115 (int) rpi
, max_rpi
, rpi_limit
);
17118 * Don't try to allocate more rpi header regions if the device limit
17119 * has been exhausted.
17121 if ((rpi
== LPFC_RPI_ALLOC_ERROR
) &&
17122 (phba
->sli4_hba
.rpi_count
>= max_rpi
)) {
17123 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
17128 * RPI header postings are not required for SLI4 ports capable of
17131 if (!phba
->sli4_hba
.rpi_hdrs_in_use
) {
17132 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
17137 * If the driver is running low on rpi resources, allocate another
17138 * page now. Note that the next_rpi value is used because
17139 * it represents how many are actually in use whereas max_rpi notes
17140 * how many are supported max by the device.
17142 rpi_remaining
= phba
->sli4_hba
.next_rpi
- phba
->sli4_hba
.rpi_count
;
17143 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
17144 if (rpi_remaining
< LPFC_RPI_LOW_WATER_MARK
) {
17145 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
17147 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
17148 "2002 Error Could not grow rpi "
17151 lrpi
= rpi_hdr
->start_rpi
;
17152 rpi_hdr
->start_rpi
= phba
->sli4_hba
.rpi_ids
[lrpi
];
17153 lpfc_sli4_post_rpi_hdr(phba
, rpi_hdr
);
17161 * lpfc_sli4_free_rpi - Release an rpi for reuse.
17162 * @phba: pointer to lpfc hba data structure.
17164 * This routine is invoked to release an rpi to the pool of
17165 * available rpis maintained by the driver.
17168 __lpfc_sli4_free_rpi(struct lpfc_hba
*phba
, int rpi
)
17170 if (test_and_clear_bit(rpi
, phba
->sli4_hba
.rpi_bmask
)) {
17171 phba
->sli4_hba
.rpi_count
--;
17172 phba
->sli4_hba
.max_cfg_param
.rpi_used
--;
17177 * lpfc_sli4_free_rpi - Release an rpi for reuse.
17178 * @phba: pointer to lpfc hba data structure.
17180 * This routine is invoked to release an rpi to the pool of
17181 * available rpis maintained by the driver.
17184 lpfc_sli4_free_rpi(struct lpfc_hba
*phba
, int rpi
)
17186 spin_lock_irq(&phba
->hbalock
);
17187 __lpfc_sli4_free_rpi(phba
, rpi
);
17188 spin_unlock_irq(&phba
->hbalock
);
17192 * lpfc_sli4_remove_rpis - Remove the rpi bitmask region
17193 * @phba: pointer to lpfc hba data structure.
17195 * This routine is invoked to remove the memory region that
17196 * provided rpi via a bitmask.
17199 lpfc_sli4_remove_rpis(struct lpfc_hba
*phba
)
17201 kfree(phba
->sli4_hba
.rpi_bmask
);
17202 kfree(phba
->sli4_hba
.rpi_ids
);
17203 bf_set(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
17207 * lpfc_sli4_resume_rpi - Remove the rpi bitmask region
17208 * @phba: pointer to lpfc hba data structure.
17210 * This routine is invoked to remove the memory region that
17211 * provided rpi via a bitmask.
17214 lpfc_sli4_resume_rpi(struct lpfc_nodelist
*ndlp
,
17215 void (*cmpl
)(struct lpfc_hba
*, LPFC_MBOXQ_t
*), void *arg
)
17217 LPFC_MBOXQ_t
*mboxq
;
17218 struct lpfc_hba
*phba
= ndlp
->phba
;
17221 /* The port is notified of the header region via a mailbox command. */
17222 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17226 /* Post all rpi memory regions to the port. */
17227 lpfc_resume_rpi(mboxq
, ndlp
);
17229 mboxq
->mbox_cmpl
= cmpl
;
17230 mboxq
->context1
= arg
;
17231 mboxq
->context2
= ndlp
;
17233 mboxq
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
17234 mboxq
->vport
= ndlp
->vport
;
17235 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
17236 if (rc
== MBX_NOT_FINISHED
) {
17237 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
17238 "2010 Resume RPI Mailbox failed "
17239 "status %d, mbxStatus x%x\n", rc
,
17240 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
17241 mempool_free(mboxq
, phba
->mbox_mem_pool
);
17248 * lpfc_sli4_init_vpi - Initialize a vpi with the port
17249 * @vport: Pointer to the vport for which the vpi is being initialized
17251 * This routine is invoked to activate a vpi with the port.
17255 * -Evalue otherwise
17258 lpfc_sli4_init_vpi(struct lpfc_vport
*vport
)
17260 LPFC_MBOXQ_t
*mboxq
;
17262 int retval
= MBX_SUCCESS
;
17264 struct lpfc_hba
*phba
= vport
->phba
;
17265 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17268 lpfc_init_vpi(phba
, mboxq
, vport
->vpi
);
17269 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
17270 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
17271 if (rc
!= MBX_SUCCESS
) {
17272 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_SLI
,
17273 "2022 INIT VPI Mailbox failed "
17274 "status %d, mbxStatus x%x\n", rc
,
17275 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
17278 if (rc
!= MBX_TIMEOUT
)
17279 mempool_free(mboxq
, vport
->phba
->mbox_mem_pool
);
17285 * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler.
17286 * @phba: pointer to lpfc hba data structure.
17287 * @mboxq: Pointer to mailbox object.
17289 * This routine is invoked to manually add a single FCF record. The caller
17290 * must pass a completely initialized FCF_Record. This routine takes
17291 * care of the nonembedded mailbox operations.
17294 lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
17297 union lpfc_sli4_cfg_shdr
*shdr
;
17298 uint32_t shdr_status
, shdr_add_status
;
17300 virt_addr
= mboxq
->sge_array
->addr
[0];
17301 /* The IOCTL status is embedded in the mailbox subheader. */
17302 shdr
= (union lpfc_sli4_cfg_shdr
*) virt_addr
;
17303 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
17304 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
17306 if ((shdr_status
|| shdr_add_status
) &&
17307 (shdr_status
!= STATUS_FCF_IN_USE
))
17308 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
17309 "2558 ADD_FCF_RECORD mailbox failed with "
17310 "status x%x add_status x%x\n",
17311 shdr_status
, shdr_add_status
);
17313 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
17317 * lpfc_sli4_add_fcf_record - Manually add an FCF Record.
17318 * @phba: pointer to lpfc hba data structure.
17319 * @fcf_record: pointer to the initialized fcf record to add.
17321 * This routine is invoked to manually add a single FCF record. The caller
17322 * must pass a completely initialized FCF_Record. This routine takes
17323 * care of the nonembedded mailbox operations.
17326 lpfc_sli4_add_fcf_record(struct lpfc_hba
*phba
, struct fcf_record
*fcf_record
)
17329 LPFC_MBOXQ_t
*mboxq
;
17332 struct lpfc_mbx_sge sge
;
17333 uint32_t alloc_len
, req_len
;
17336 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17338 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
17339 "2009 Failed to allocate mbox for ADD_FCF cmd\n");
17343 req_len
= sizeof(struct fcf_record
) + sizeof(union lpfc_sli4_cfg_shdr
) +
17346 /* Allocate DMA memory and set up the non-embedded mailbox command */
17347 alloc_len
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
17348 LPFC_MBOX_OPCODE_FCOE_ADD_FCF
,
17349 req_len
, LPFC_SLI4_MBX_NEMBED
);
17350 if (alloc_len
< req_len
) {
17351 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
17352 "2523 Allocated DMA memory size (x%x) is "
17353 "less than the requested DMA memory "
17354 "size (x%x)\n", alloc_len
, req_len
);
17355 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
17360 * Get the first SGE entry from the non-embedded DMA memory. This
17361 * routine only uses a single SGE.
17363 lpfc_sli4_mbx_sge_get(mboxq
, 0, &sge
);
17364 virt_addr
= mboxq
->sge_array
->addr
[0];
17366 * Configure the FCF record for FCFI 0. This is the driver's
17367 * hardcoded default and gets used in nonFIP mode.
17369 fcfindex
= bf_get(lpfc_fcf_record_fcf_index
, fcf_record
);
17370 bytep
= virt_addr
+ sizeof(union lpfc_sli4_cfg_shdr
);
17371 lpfc_sli_pcimem_bcopy(&fcfindex
, bytep
, sizeof(uint32_t));
17374 * Copy the fcf_index and the FCF Record Data. The data starts after
17375 * the FCoE header plus word10. The data copy needs to be endian
17378 bytep
+= sizeof(uint32_t);
17379 lpfc_sli_pcimem_bcopy(fcf_record
, bytep
, sizeof(struct fcf_record
));
17380 mboxq
->vport
= phba
->pport
;
17381 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_add_fcf_record
;
17382 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
17383 if (rc
== MBX_NOT_FINISHED
) {
17384 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
17385 "2515 ADD_FCF_RECORD mailbox failed with "
17386 "status 0x%x\n", rc
);
17387 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
17396 * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record.
17397 * @phba: pointer to lpfc hba data structure.
17398 * @fcf_record: pointer to the fcf record to write the default data.
17399 * @fcf_index: FCF table entry index.
17401 * This routine is invoked to build the driver's default FCF record. The
17402 * values used are hardcoded. This routine handles memory initialization.
17406 lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba
*phba
,
17407 struct fcf_record
*fcf_record
,
17408 uint16_t fcf_index
)
17410 memset(fcf_record
, 0, sizeof(struct fcf_record
));
17411 fcf_record
->max_rcv_size
= LPFC_FCOE_MAX_RCV_SIZE
;
17412 fcf_record
->fka_adv_period
= LPFC_FCOE_FKA_ADV_PER
;
17413 fcf_record
->fip_priority
= LPFC_FCOE_FIP_PRIORITY
;
17414 bf_set(lpfc_fcf_record_mac_0
, fcf_record
, phba
->fc_map
[0]);
17415 bf_set(lpfc_fcf_record_mac_1
, fcf_record
, phba
->fc_map
[1]);
17416 bf_set(lpfc_fcf_record_mac_2
, fcf_record
, phba
->fc_map
[2]);
17417 bf_set(lpfc_fcf_record_mac_3
, fcf_record
, LPFC_FCOE_FCF_MAC3
);
17418 bf_set(lpfc_fcf_record_mac_4
, fcf_record
, LPFC_FCOE_FCF_MAC4
);
17419 bf_set(lpfc_fcf_record_mac_5
, fcf_record
, LPFC_FCOE_FCF_MAC5
);
17420 bf_set(lpfc_fcf_record_fc_map_0
, fcf_record
, phba
->fc_map
[0]);
17421 bf_set(lpfc_fcf_record_fc_map_1
, fcf_record
, phba
->fc_map
[1]);
17422 bf_set(lpfc_fcf_record_fc_map_2
, fcf_record
, phba
->fc_map
[2]);
17423 bf_set(lpfc_fcf_record_fcf_valid
, fcf_record
, 1);
17424 bf_set(lpfc_fcf_record_fcf_avail
, fcf_record
, 1);
17425 bf_set(lpfc_fcf_record_fcf_index
, fcf_record
, fcf_index
);
17426 bf_set(lpfc_fcf_record_mac_addr_prov
, fcf_record
,
17427 LPFC_FCF_FPMA
| LPFC_FCF_SPMA
);
17428 /* Set the VLAN bit map */
17429 if (phba
->valid_vlan
) {
17430 fcf_record
->vlan_bitmap
[phba
->vlan_id
/ 8]
17431 = 1 << (phba
->vlan_id
% 8);
17436 * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan.
17437 * @phba: pointer to lpfc hba data structure.
17438 * @fcf_index: FCF table entry offset.
17440 * This routine is invoked to scan the entire FCF table by reading FCF
17441 * record and processing it one at a time starting from the @fcf_index
17442 * for initial FCF discovery or fast FCF failover rediscovery.
17444 * Return 0 if the mailbox command is submitted successfully, none 0
17448 lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
17451 LPFC_MBOXQ_t
*mboxq
;
17453 phba
->fcoe_eventtag_at_fcf_scan
= phba
->fcoe_eventtag
;
17454 phba
->fcoe_cvl_eventtag_attn
= phba
->fcoe_cvl_eventtag
;
17455 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17457 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
17458 "2000 Failed to allocate mbox for "
17461 goto fail_fcf_scan
;
17463 /* Construct the read FCF record mailbox command */
17464 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
17467 goto fail_fcf_scan
;
17469 /* Issue the mailbox command asynchronously */
17470 mboxq
->vport
= phba
->pport
;
17471 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_fcf_scan_read_fcf_rec
;
17473 spin_lock_irq(&phba
->hbalock
);
17474 phba
->hba_flag
|= FCF_TS_INPROG
;
17475 spin_unlock_irq(&phba
->hbalock
);
17477 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
17478 if (rc
== MBX_NOT_FINISHED
)
17481 /* Reset eligible FCF count for new scan */
17482 if (fcf_index
== LPFC_FCOE_FCF_GET_FIRST
)
17483 phba
->fcf
.eligible_fcf_cnt
= 0;
17489 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
17490 /* FCF scan failed, clear FCF_TS_INPROG flag */
17491 spin_lock_irq(&phba
->hbalock
);
17492 phba
->hba_flag
&= ~FCF_TS_INPROG
;
17493 spin_unlock_irq(&phba
->hbalock
);
17499 * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf.
17500 * @phba: pointer to lpfc hba data structure.
17501 * @fcf_index: FCF table entry offset.
17503 * This routine is invoked to read an FCF record indicated by @fcf_index
17504 * and to use it for FLOGI roundrobin FCF failover.
17506 * Return 0 if the mailbox command is submitted successfully, none 0
17510 lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
17513 LPFC_MBOXQ_t
*mboxq
;
17515 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17517 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_INIT
,
17518 "2763 Failed to allocate mbox for "
17521 goto fail_fcf_read
;
17523 /* Construct the read FCF record mailbox command */
17524 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
17527 goto fail_fcf_read
;
17529 /* Issue the mailbox command asynchronously */
17530 mboxq
->vport
= phba
->pport
;
17531 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_fcf_rr_read_fcf_rec
;
17532 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
17533 if (rc
== MBX_NOT_FINISHED
)
17539 if (error
&& mboxq
)
17540 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
17545 * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask.
17546 * @phba: pointer to lpfc hba data structure.
17547 * @fcf_index: FCF table entry offset.
17549 * This routine is invoked to read an FCF record indicated by @fcf_index to
17550 * determine whether it's eligible for FLOGI roundrobin failover list.
17552 * Return 0 if the mailbox command is submitted successfully, none 0
17556 lpfc_sli4_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
17559 LPFC_MBOXQ_t
*mboxq
;
17561 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17563 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_INIT
,
17564 "2758 Failed to allocate mbox for "
17567 goto fail_fcf_read
;
17569 /* Construct the read FCF record mailbox command */
17570 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
17573 goto fail_fcf_read
;
17575 /* Issue the mailbox command asynchronously */
17576 mboxq
->vport
= phba
->pport
;
17577 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_read_fcf_rec
;
17578 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
17579 if (rc
== MBX_NOT_FINISHED
)
17585 if (error
&& mboxq
)
17586 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
17591 * lpfc_check_next_fcf_pri_level
17592 * phba pointer to the lpfc_hba struct for this port.
17593 * This routine is called from the lpfc_sli4_fcf_rr_next_index_get
17594 * routine when the rr_bmask is empty. The FCF indecies are put into the
17595 * rr_bmask based on their priority level. Starting from the highest priority
17596 * to the lowest. The most likely FCF candidate will be in the highest
17597 * priority group. When this routine is called it searches the fcf_pri list for
17598 * next lowest priority group and repopulates the rr_bmask with only those
17601 * 1=success 0=failure
17604 lpfc_check_next_fcf_pri_level(struct lpfc_hba
*phba
)
17606 uint16_t next_fcf_pri
;
17607 uint16_t last_index
;
17608 struct lpfc_fcf_pri
*fcf_pri
;
17612 last_index
= find_first_bit(phba
->fcf
.fcf_rr_bmask
,
17613 LPFC_SLI4_FCF_TBL_INDX_MAX
);
17614 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
17615 "3060 Last IDX %d\n", last_index
);
17617 /* Verify the priority list has 2 or more entries */
17618 spin_lock_irq(&phba
->hbalock
);
17619 if (list_empty(&phba
->fcf
.fcf_pri_list
) ||
17620 list_is_singular(&phba
->fcf
.fcf_pri_list
)) {
17621 spin_unlock_irq(&phba
->hbalock
);
17622 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
17623 "3061 Last IDX %d\n", last_index
);
17624 return 0; /* Empty rr list */
17626 spin_unlock_irq(&phba
->hbalock
);
17630 * Clear the rr_bmask and set all of the bits that are at this
17633 memset(phba
->fcf
.fcf_rr_bmask
, 0,
17634 sizeof(*phba
->fcf
.fcf_rr_bmask
));
17635 spin_lock_irq(&phba
->hbalock
);
17636 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
17637 if (fcf_pri
->fcf_rec
.flag
& LPFC_FCF_FLOGI_FAILED
)
17640 * the 1st priority that has not FLOGI failed
17641 * will be the highest.
17644 next_fcf_pri
= fcf_pri
->fcf_rec
.priority
;
17645 spin_unlock_irq(&phba
->hbalock
);
17646 if (fcf_pri
->fcf_rec
.priority
== next_fcf_pri
) {
17647 rc
= lpfc_sli4_fcf_rr_index_set(phba
,
17648 fcf_pri
->fcf_rec
.fcf_index
);
17652 spin_lock_irq(&phba
->hbalock
);
17655 * if next_fcf_pri was not set above and the list is not empty then
17656 * we have failed flogis on all of them. So reset flogi failed
17657 * and start at the beginning.
17659 if (!next_fcf_pri
&& !list_empty(&phba
->fcf
.fcf_pri_list
)) {
17660 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
17661 fcf_pri
->fcf_rec
.flag
&= ~LPFC_FCF_FLOGI_FAILED
;
17663 * the 1st priority that has not FLOGI failed
17664 * will be the highest.
17667 next_fcf_pri
= fcf_pri
->fcf_rec
.priority
;
17668 spin_unlock_irq(&phba
->hbalock
);
17669 if (fcf_pri
->fcf_rec
.priority
== next_fcf_pri
) {
17670 rc
= lpfc_sli4_fcf_rr_index_set(phba
,
17671 fcf_pri
->fcf_rec
.fcf_index
);
17675 spin_lock_irq(&phba
->hbalock
);
17679 spin_unlock_irq(&phba
->hbalock
);
17684 * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index
17685 * @phba: pointer to lpfc hba data structure.
17687 * This routine is to get the next eligible FCF record index in a round
17688 * robin fashion. If the next eligible FCF record index equals to the
17689 * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
17690 * shall be returned, otherwise, the next eligible FCF record's index
17691 * shall be returned.
17694 lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba
*phba
)
17696 uint16_t next_fcf_index
;
17699 /* Search start from next bit of currently registered FCF index */
17700 next_fcf_index
= phba
->fcf
.current_rec
.fcf_indx
;
17703 /* Determine the next fcf index to check */
17704 next_fcf_index
= (next_fcf_index
+ 1) % LPFC_SLI4_FCF_TBL_INDX_MAX
;
17705 next_fcf_index
= find_next_bit(phba
->fcf
.fcf_rr_bmask
,
17706 LPFC_SLI4_FCF_TBL_INDX_MAX
,
17709 /* Wrap around condition on phba->fcf.fcf_rr_bmask */
17710 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
17712 * If we have wrapped then we need to clear the bits that
17713 * have been tested so that we can detect when we should
17714 * change the priority level.
17716 next_fcf_index
= find_next_bit(phba
->fcf
.fcf_rr_bmask
,
17717 LPFC_SLI4_FCF_TBL_INDX_MAX
, 0);
17721 /* Check roundrobin failover list empty condition */
17722 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
||
17723 next_fcf_index
== phba
->fcf
.current_rec
.fcf_indx
) {
17725 * If next fcf index is not found check if there are lower
17726 * Priority level fcf's in the fcf_priority list.
17727 * Set up the rr_bmask with all of the avaiable fcf bits
17728 * at that level and continue the selection process.
17730 if (lpfc_check_next_fcf_pri_level(phba
))
17731 goto initial_priority
;
17732 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
17733 "2844 No roundrobin failover FCF available\n");
17734 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
)
17735 return LPFC_FCOE_FCF_NEXT_NONE
;
17737 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
17738 "3063 Only FCF available idx %d, flag %x\n",
17740 phba
->fcf
.fcf_pri
[next_fcf_index
].fcf_rec
.flag
);
17741 return next_fcf_index
;
17745 if (next_fcf_index
< LPFC_SLI4_FCF_TBL_INDX_MAX
&&
17746 phba
->fcf
.fcf_pri
[next_fcf_index
].fcf_rec
.flag
&
17747 LPFC_FCF_FLOGI_FAILED
) {
17748 if (list_is_singular(&phba
->fcf
.fcf_pri_list
))
17749 return LPFC_FCOE_FCF_NEXT_NONE
;
17751 goto next_priority
;
17754 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
17755 "2845 Get next roundrobin failover FCF (x%x)\n",
17758 return next_fcf_index
;
17762 * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index
17763 * @phba: pointer to lpfc hba data structure.
17765 * This routine sets the FCF record index in to the eligible bmask for
17766 * roundrobin failover search. It checks to make sure that the index
17767 * does not go beyond the range of the driver allocated bmask dimension
17768 * before setting the bit.
17770 * Returns 0 if the index bit successfully set, otherwise, it returns
17774 lpfc_sli4_fcf_rr_index_set(struct lpfc_hba
*phba
, uint16_t fcf_index
)
17776 if (fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
17777 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
17778 "2610 FCF (x%x) reached driver's book "
17779 "keeping dimension:x%x\n",
17780 fcf_index
, LPFC_SLI4_FCF_TBL_INDX_MAX
);
17783 /* Set the eligible FCF record index bmask */
17784 set_bit(fcf_index
, phba
->fcf
.fcf_rr_bmask
);
17786 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
17787 "2790 Set FCF (x%x) to roundrobin FCF failover "
17788 "bmask\n", fcf_index
);
17794 * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index
17795 * @phba: pointer to lpfc hba data structure.
17797 * This routine clears the FCF record index from the eligible bmask for
17798 * roundrobin failover search. It checks to make sure that the index
17799 * does not go beyond the range of the driver allocated bmask dimension
17800 * before clearing the bit.
17803 lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba
*phba
, uint16_t fcf_index
)
17805 struct lpfc_fcf_pri
*fcf_pri
, *fcf_pri_next
;
17806 if (fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
17807 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
17808 "2762 FCF (x%x) reached driver's book "
17809 "keeping dimension:x%x\n",
17810 fcf_index
, LPFC_SLI4_FCF_TBL_INDX_MAX
);
17813 /* Clear the eligible FCF record index bmask */
17814 spin_lock_irq(&phba
->hbalock
);
17815 list_for_each_entry_safe(fcf_pri
, fcf_pri_next
, &phba
->fcf
.fcf_pri_list
,
17817 if (fcf_pri
->fcf_rec
.fcf_index
== fcf_index
) {
17818 list_del_init(&fcf_pri
->list
);
17822 spin_unlock_irq(&phba
->hbalock
);
17823 clear_bit(fcf_index
, phba
->fcf
.fcf_rr_bmask
);
17825 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
17826 "2791 Clear FCF (x%x) from roundrobin failover "
17827 "bmask\n", fcf_index
);
17831 * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
17832 * @phba: pointer to lpfc hba data structure.
17834 * This routine is the completion routine for the rediscover FCF table mailbox
17835 * command. If the mailbox command returned failure, it will try to stop the
17836 * FCF rediscover wait timer.
17839 lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mbox
)
17841 struct lpfc_mbx_redisc_fcf_tbl
*redisc_fcf
;
17842 uint32_t shdr_status
, shdr_add_status
;
17844 redisc_fcf
= &mbox
->u
.mqe
.un
.redisc_fcf_tbl
;
17846 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
17847 &redisc_fcf
->header
.cfg_shdr
.response
);
17848 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
17849 &redisc_fcf
->header
.cfg_shdr
.response
);
17850 if (shdr_status
|| shdr_add_status
) {
17851 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
17852 "2746 Requesting for FCF rediscovery failed "
17853 "status x%x add_status x%x\n",
17854 shdr_status
, shdr_add_status
);
17855 if (phba
->fcf
.fcf_flag
& FCF_ACVL_DISC
) {
17856 spin_lock_irq(&phba
->hbalock
);
17857 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
17858 spin_unlock_irq(&phba
->hbalock
);
17860 * CVL event triggered FCF rediscover request failed,
17861 * last resort to re-try current registered FCF entry.
17863 lpfc_retry_pport_discovery(phba
);
17865 spin_lock_irq(&phba
->hbalock
);
17866 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
17867 spin_unlock_irq(&phba
->hbalock
);
17869 * DEAD FCF event triggered FCF rediscover request
17870 * failed, last resort to fail over as a link down
17871 * to FCF registration.
17873 lpfc_sli4_fcf_dead_failthrough(phba
);
17876 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
17877 "2775 Start FCF rediscover quiescent timer\n");
17879 * Start FCF rediscovery wait timer for pending FCF
17880 * before rescan FCF record table.
17882 lpfc_fcf_redisc_wait_start_timer(phba
);
17885 mempool_free(mbox
, phba
->mbox_mem_pool
);
17889 * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port.
17890 * @phba: pointer to lpfc hba data structure.
17892 * This routine is invoked to request for rediscovery of the entire FCF table
17896 lpfc_sli4_redisc_fcf_table(struct lpfc_hba
*phba
)
17898 LPFC_MBOXQ_t
*mbox
;
17899 struct lpfc_mbx_redisc_fcf_tbl
*redisc_fcf
;
17902 /* Cancel retry delay timers to all vports before FCF rediscover */
17903 lpfc_cancel_all_vport_retry_delay_timer(phba
);
17905 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17907 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
17908 "2745 Failed to allocate mbox for "
17909 "requesting FCF rediscover.\n");
17913 length
= (sizeof(struct lpfc_mbx_redisc_fcf_tbl
) -
17914 sizeof(struct lpfc_sli4_cfg_mhdr
));
17915 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
17916 LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF
,
17917 length
, LPFC_SLI4_MBX_EMBED
);
17919 redisc_fcf
= &mbox
->u
.mqe
.un
.redisc_fcf_tbl
;
17920 /* Set count to 0 for invalidating the entire FCF database */
17921 bf_set(lpfc_mbx_redisc_fcf_count
, redisc_fcf
, 0);
17923 /* Issue the mailbox command asynchronously */
17924 mbox
->vport
= phba
->pport
;
17925 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_redisc_fcf_table
;
17926 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
17928 if (rc
== MBX_NOT_FINISHED
) {
17929 mempool_free(mbox
, phba
->mbox_mem_pool
);
17936 * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event
17937 * @phba: pointer to lpfc hba data structure.
17939 * This function is the failover routine as a last resort to the FCF DEAD
17940 * event when driver failed to perform fast FCF failover.
17943 lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba
*phba
)
17945 uint32_t link_state
;
17948 * Last resort as FCF DEAD event failover will treat this as
17949 * a link down, but save the link state because we don't want
17950 * it to be changed to Link Down unless it is already down.
17952 link_state
= phba
->link_state
;
17953 lpfc_linkdown(phba
);
17954 phba
->link_state
= link_state
;
17956 /* Unregister FCF if no devices connected to it */
17957 lpfc_unregister_unused_fcf(phba
);
17961 * lpfc_sli_get_config_region23 - Get sli3 port region 23 data.
17962 * @phba: pointer to lpfc hba data structure.
17963 * @rgn23_data: pointer to configure region 23 data.
17965 * This function gets SLI3 port configure region 23 data through memory dump
17966 * mailbox command. When it successfully retrieves data, the size of the data
17967 * will be returned, otherwise, 0 will be returned.
17970 lpfc_sli_get_config_region23(struct lpfc_hba
*phba
, char *rgn23_data
)
17972 LPFC_MBOXQ_t
*pmb
= NULL
;
17974 uint32_t offset
= 0;
17980 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
17982 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
17983 "2600 failed to allocate mailbox memory\n");
17989 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_23
);
17990 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
17992 if (rc
!= MBX_SUCCESS
) {
17993 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
17994 "2601 failed to read config "
17995 "region 23, rc 0x%x Status 0x%x\n",
17996 rc
, mb
->mbxStatus
);
17997 mb
->un
.varDmp
.word_cnt
= 0;
18000 * dump mem may return a zero when finished or we got a
18001 * mailbox error, either way we are done.
18003 if (mb
->un
.varDmp
.word_cnt
== 0)
18005 if (mb
->un
.varDmp
.word_cnt
> DMP_RGN23_SIZE
- offset
)
18006 mb
->un
.varDmp
.word_cnt
= DMP_RGN23_SIZE
- offset
;
18008 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
18009 rgn23_data
+ offset
,
18010 mb
->un
.varDmp
.word_cnt
);
18011 offset
+= mb
->un
.varDmp
.word_cnt
;
18012 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_RGN23_SIZE
);
18014 mempool_free(pmb
, phba
->mbox_mem_pool
);
18019 * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data.
18020 * @phba: pointer to lpfc hba data structure.
18021 * @rgn23_data: pointer to configure region 23 data.
18023 * This function gets SLI4 port configure region 23 data through memory dump
18024 * mailbox command. When it successfully retrieves data, the size of the data
18025 * will be returned, otherwise, 0 will be returned.
18028 lpfc_sli4_get_config_region23(struct lpfc_hba
*phba
, char *rgn23_data
)
18030 LPFC_MBOXQ_t
*mboxq
= NULL
;
18031 struct lpfc_dmabuf
*mp
= NULL
;
18032 struct lpfc_mqe
*mqe
;
18033 uint32_t data_length
= 0;
18039 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
18041 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
18042 "3105 failed to allocate mailbox memory\n");
18046 if (lpfc_sli4_dump_cfg_rg23(phba
, mboxq
))
18048 mqe
= &mboxq
->u
.mqe
;
18049 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
18050 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
18053 data_length
= mqe
->un
.mb_words
[5];
18054 if (data_length
== 0)
18056 if (data_length
> DMP_RGN23_SIZE
) {
18060 lpfc_sli_pcimem_bcopy((char *)mp
->virt
, rgn23_data
, data_length
);
18062 mempool_free(mboxq
, phba
->mbox_mem_pool
);
18064 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
18067 return data_length
;
18071 * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
18072 * @phba: pointer to lpfc hba data structure.
18074 * This function read region 23 and parse TLV for port status to
18075 * decide if the user disaled the port. If the TLV indicates the
18076 * port is disabled, the hba_flag is set accordingly.
18079 lpfc_sli_read_link_ste(struct lpfc_hba
*phba
)
18081 uint8_t *rgn23_data
= NULL
;
18082 uint32_t if_type
, data_size
, sub_tlv_len
, tlv_offset
;
18083 uint32_t offset
= 0;
18085 /* Get adapter Region 23 data */
18086 rgn23_data
= kzalloc(DMP_RGN23_SIZE
, GFP_KERNEL
);
18090 if (phba
->sli_rev
< LPFC_SLI_REV4
)
18091 data_size
= lpfc_sli_get_config_region23(phba
, rgn23_data
);
18093 if_type
= bf_get(lpfc_sli_intf_if_type
,
18094 &phba
->sli4_hba
.sli_intf
);
18095 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
)
18097 data_size
= lpfc_sli4_get_config_region23(phba
, rgn23_data
);
18103 /* Check the region signature first */
18104 if (memcmp(&rgn23_data
[offset
], LPFC_REGION23_SIGNATURE
, 4)) {
18105 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
18106 "2619 Config region 23 has bad signature\n");
18111 /* Check the data structure version */
18112 if (rgn23_data
[offset
] != LPFC_REGION23_VERSION
) {
18113 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
18114 "2620 Config region 23 has bad version\n");
18119 /* Parse TLV entries in the region */
18120 while (offset
< data_size
) {
18121 if (rgn23_data
[offset
] == LPFC_REGION23_LAST_REC
)
18124 * If the TLV is not driver specific TLV or driver id is
18125 * not linux driver id, skip the record.
18127 if ((rgn23_data
[offset
] != DRIVER_SPECIFIC_TYPE
) ||
18128 (rgn23_data
[offset
+ 2] != LINUX_DRIVER_ID
) ||
18129 (rgn23_data
[offset
+ 3] != 0)) {
18130 offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
18134 /* Driver found a driver specific TLV in the config region */
18135 sub_tlv_len
= rgn23_data
[offset
+ 1] * 4;
18140 * Search for configured port state sub-TLV.
18142 while ((offset
< data_size
) &&
18143 (tlv_offset
< sub_tlv_len
)) {
18144 if (rgn23_data
[offset
] == LPFC_REGION23_LAST_REC
) {
18149 if (rgn23_data
[offset
] != PORT_STE_TYPE
) {
18150 offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
18151 tlv_offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
18155 /* This HBA contains PORT_STE configured */
18156 if (!rgn23_data
[offset
+ 2])
18157 phba
->hba_flag
|= LINK_DISABLED
;
18169 * lpfc_wr_object - write an object to the firmware
18170 * @phba: HBA structure that indicates port to create a queue on.
18171 * @dmabuf_list: list of dmabufs to write to the port.
18172 * @size: the total byte value of the objects to write to the port.
18173 * @offset: the current offset to be used to start the transfer.
18175 * This routine will create a wr_object mailbox command to send to the port.
18176 * the mailbox command will be constructed using the dma buffers described in
18177 * @dmabuf_list to create a list of BDEs. This routine will fill in as many
18178 * BDEs that the imbedded mailbox can support. The @offset variable will be
18179 * used to indicate the starting offset of the transfer and will also return
18180 * the offset after the write object mailbox has completed. @size is used to
18181 * determine the end of the object and whether the eof bit should be set.
18183 * Return 0 is successful and offset will contain the the new offset to use
18184 * for the next write.
18185 * Return negative value for error cases.
18188 lpfc_wr_object(struct lpfc_hba
*phba
, struct list_head
*dmabuf_list
,
18189 uint32_t size
, uint32_t *offset
)
18191 struct lpfc_mbx_wr_object
*wr_object
;
18192 LPFC_MBOXQ_t
*mbox
;
18194 uint32_t shdr_status
, shdr_add_status
;
18196 union lpfc_sli4_cfg_shdr
*shdr
;
18197 struct lpfc_dmabuf
*dmabuf
;
18198 uint32_t written
= 0;
18200 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
18204 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
18205 LPFC_MBOX_OPCODE_WRITE_OBJECT
,
18206 sizeof(struct lpfc_mbx_wr_object
) -
18207 sizeof(struct lpfc_sli4_cfg_mhdr
), LPFC_SLI4_MBX_EMBED
);
18209 wr_object
= (struct lpfc_mbx_wr_object
*)&mbox
->u
.mqe
.un
.wr_object
;
18210 wr_object
->u
.request
.write_offset
= *offset
;
18211 sprintf((uint8_t *)wr_object
->u
.request
.object_name
, "/");
18212 wr_object
->u
.request
.object_name
[0] =
18213 cpu_to_le32(wr_object
->u
.request
.object_name
[0]);
18214 bf_set(lpfc_wr_object_eof
, &wr_object
->u
.request
, 0);
18215 list_for_each_entry(dmabuf
, dmabuf_list
, list
) {
18216 if (i
>= LPFC_MBX_WR_CONFIG_MAX_BDE
|| written
>= size
)
18218 wr_object
->u
.request
.bde
[i
].addrLow
= putPaddrLow(dmabuf
->phys
);
18219 wr_object
->u
.request
.bde
[i
].addrHigh
=
18220 putPaddrHigh(dmabuf
->phys
);
18221 if (written
+ SLI4_PAGE_SIZE
>= size
) {
18222 wr_object
->u
.request
.bde
[i
].tus
.f
.bdeSize
=
18224 written
+= (size
- written
);
18225 bf_set(lpfc_wr_object_eof
, &wr_object
->u
.request
, 1);
18227 wr_object
->u
.request
.bde
[i
].tus
.f
.bdeSize
=
18229 written
+= SLI4_PAGE_SIZE
;
18233 wr_object
->u
.request
.bde_count
= i
;
18234 bf_set(lpfc_wr_object_write_length
, &wr_object
->u
.request
, written
);
18235 if (!phba
->sli4_hba
.intr_enable
)
18236 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
18238 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
18239 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
18241 /* The IOCTL status is embedded in the mailbox subheader. */
18242 shdr
= (union lpfc_sli4_cfg_shdr
*) &wr_object
->header
.cfg_shdr
;
18243 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
18244 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
18245 if (rc
!= MBX_TIMEOUT
)
18246 mempool_free(mbox
, phba
->mbox_mem_pool
);
18247 if (shdr_status
|| shdr_add_status
|| rc
) {
18248 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
18249 "3025 Write Object mailbox failed with "
18250 "status x%x add_status x%x, mbx status x%x\n",
18251 shdr_status
, shdr_add_status
, rc
);
18254 *offset
+= wr_object
->u
.response
.actual_write_length
;
18259 * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
18260 * @vport: pointer to vport data structure.
18262 * This function iterate through the mailboxq and clean up all REG_LOGIN
18263 * and REG_VPI mailbox commands associated with the vport. This function
18264 * is called when driver want to restart discovery of the vport due to
18265 * a Clear Virtual Link event.
18268 lpfc_cleanup_pending_mbox(struct lpfc_vport
*vport
)
18270 struct lpfc_hba
*phba
= vport
->phba
;
18271 LPFC_MBOXQ_t
*mb
, *nextmb
;
18272 struct lpfc_dmabuf
*mp
;
18273 struct lpfc_nodelist
*ndlp
;
18274 struct lpfc_nodelist
*act_mbx_ndlp
= NULL
;
18275 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
18276 LIST_HEAD(mbox_cmd_list
);
18277 uint8_t restart_loop
;
18279 /* Clean up internally queued mailbox commands with the vport */
18280 spin_lock_irq(&phba
->hbalock
);
18281 list_for_each_entry_safe(mb
, nextmb
, &phba
->sli
.mboxq
, list
) {
18282 if (mb
->vport
!= vport
)
18285 if ((mb
->u
.mb
.mbxCommand
!= MBX_REG_LOGIN64
) &&
18286 (mb
->u
.mb
.mbxCommand
!= MBX_REG_VPI
))
18289 list_del(&mb
->list
);
18290 list_add_tail(&mb
->list
, &mbox_cmd_list
);
18292 /* Clean up active mailbox command with the vport */
18293 mb
= phba
->sli
.mbox_active
;
18294 if (mb
&& (mb
->vport
== vport
)) {
18295 if ((mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) ||
18296 (mb
->u
.mb
.mbxCommand
== MBX_REG_VPI
))
18297 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
18298 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
18299 act_mbx_ndlp
= (struct lpfc_nodelist
*)mb
->context2
;
18300 /* Put reference count for delayed processing */
18301 act_mbx_ndlp
= lpfc_nlp_get(act_mbx_ndlp
);
18302 /* Unregister the RPI when mailbox complete */
18303 mb
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
18306 /* Cleanup any mailbox completions which are not yet processed */
18309 list_for_each_entry(mb
, &phba
->sli
.mboxq_cmpl
, list
) {
18311 * If this mailox is already processed or it is
18312 * for another vport ignore it.
18314 if ((mb
->vport
!= vport
) ||
18315 (mb
->mbox_flag
& LPFC_MBX_IMED_UNREG
))
18318 if ((mb
->u
.mb
.mbxCommand
!= MBX_REG_LOGIN64
) &&
18319 (mb
->u
.mb
.mbxCommand
!= MBX_REG_VPI
))
18322 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
18323 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
18324 ndlp
= (struct lpfc_nodelist
*)mb
->context2
;
18325 /* Unregister the RPI when mailbox complete */
18326 mb
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
18328 spin_unlock_irq(&phba
->hbalock
);
18329 spin_lock(shost
->host_lock
);
18330 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
18331 spin_unlock(shost
->host_lock
);
18332 spin_lock_irq(&phba
->hbalock
);
18336 } while (restart_loop
);
18338 spin_unlock_irq(&phba
->hbalock
);
18340 /* Release the cleaned-up mailbox commands */
18341 while (!list_empty(&mbox_cmd_list
)) {
18342 list_remove_head(&mbox_cmd_list
, mb
, LPFC_MBOXQ_t
, list
);
18343 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
18344 mp
= (struct lpfc_dmabuf
*) (mb
->context1
);
18346 __lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
18349 ndlp
= (struct lpfc_nodelist
*) mb
->context2
;
18350 mb
->context2
= NULL
;
18352 spin_lock(shost
->host_lock
);
18353 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
18354 spin_unlock(shost
->host_lock
);
18355 lpfc_nlp_put(ndlp
);
18358 mempool_free(mb
, phba
->mbox_mem_pool
);
18361 /* Release the ndlp with the cleaned-up active mailbox command */
18362 if (act_mbx_ndlp
) {
18363 spin_lock(shost
->host_lock
);
18364 act_mbx_ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
18365 spin_unlock(shost
->host_lock
);
18366 lpfc_nlp_put(act_mbx_ndlp
);
18371 * lpfc_drain_txq - Drain the txq
18372 * @phba: Pointer to HBA context object.
18374 * This function attempt to submit IOCBs on the txq
18375 * to the adapter. For SLI4 adapters, the txq contains
18376 * ELS IOCBs that have been deferred because the there
18377 * are no SGLs. This congestion can occur with large
18378 * vport counts during node discovery.
18382 lpfc_drain_txq(struct lpfc_hba
*phba
)
18384 LIST_HEAD(completions
);
18385 struct lpfc_sli_ring
*pring
;
18386 struct lpfc_iocbq
*piocbq
= NULL
;
18387 unsigned long iflags
= 0;
18388 char *fail_msg
= NULL
;
18389 struct lpfc_sglq
*sglq
;
18390 union lpfc_wqe128 wqe128
;
18391 union lpfc_wqe
*wqe
= (union lpfc_wqe
*) &wqe128
;
18392 uint32_t txq_cnt
= 0;
18394 pring
= lpfc_phba_elsring(phba
);
18396 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
18397 list_for_each_entry(piocbq
, &pring
->txq
, list
) {
18401 if (txq_cnt
> pring
->txq_max
)
18402 pring
->txq_max
= txq_cnt
;
18404 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18406 while (!list_empty(&pring
->txq
)) {
18407 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
18409 piocbq
= lpfc_sli_ringtx_get(phba
, pring
);
18411 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18412 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
18413 "2823 txq empty and txq_cnt is %d\n ",
18417 sglq
= __lpfc_sli_get_els_sglq(phba
, piocbq
);
18419 __lpfc_sli_ringtx_put(phba
, pring
, piocbq
);
18420 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18425 /* The xri and iocb resources secured,
18426 * attempt to issue request
18428 piocbq
->sli4_lxritag
= sglq
->sli4_lxritag
;
18429 piocbq
->sli4_xritag
= sglq
->sli4_xritag
;
18430 if (NO_XRI
== lpfc_sli4_bpl2sgl(phba
, piocbq
, sglq
))
18431 fail_msg
= "to convert bpl to sgl";
18432 else if (lpfc_sli4_iocb2wqe(phba
, piocbq
, wqe
))
18433 fail_msg
= "to convert iocb to wqe";
18434 else if (lpfc_sli4_wq_put(phba
->sli4_hba
.els_wq
, wqe
))
18435 fail_msg
= " - Wq is full";
18437 lpfc_sli_ringtxcmpl_put(phba
, pring
, piocbq
);
18440 /* Failed means we can't issue and need to cancel */
18441 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
18442 "2822 IOCB failed %s iotag 0x%x "
18445 piocbq
->iotag
, piocbq
->sli4_xritag
);
18446 list_add_tail(&piocbq
->list
, &completions
);
18448 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18451 /* Cancel all the IOCBs that cannot be issued */
18452 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
18453 IOERR_SLI_ABORTED
);
18459 * lpfc_wqe_bpl2sgl - Convert the bpl/bde to a sgl.
18460 * @phba: Pointer to HBA context object.
18461 * @pwqe: Pointer to command WQE.
18462 * @sglq: Pointer to the scatter gather queue object.
18464 * This routine converts the bpl or bde that is in the WQE
18465 * to a sgl list for the sli4 hardware. The physical address
18466 * of the bpl/bde is converted back to a virtual address.
18467 * If the WQE contains a BPL then the list of BDE's is
18468 * converted to sli4_sge's. If the WQE contains a single
18469 * BDE then it is converted to a single sli_sge.
18470 * The WQE is still in cpu endianness so the contents of
18471 * the bpl can be used without byte swapping.
18473 * Returns valid XRI = Success, NO_XRI = Failure.
18476 lpfc_wqe_bpl2sgl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*pwqeq
,
18477 struct lpfc_sglq
*sglq
)
18479 uint16_t xritag
= NO_XRI
;
18480 struct ulp_bde64
*bpl
= NULL
;
18481 struct ulp_bde64 bde
;
18482 struct sli4_sge
*sgl
= NULL
;
18483 struct lpfc_dmabuf
*dmabuf
;
18484 union lpfc_wqe
*wqe
;
18487 uint32_t offset
= 0; /* accumulated offset in the sg request list */
18488 int inbound
= 0; /* number of sg reply entries inbound from firmware */
18491 if (!pwqeq
|| !sglq
)
18494 sgl
= (struct sli4_sge
*)sglq
->sgl
;
18496 pwqeq
->iocb
.ulpIoTag
= pwqeq
->iotag
;
18498 cmd
= bf_get(wqe_cmnd
, &wqe
->generic
.wqe_com
);
18499 if (cmd
== CMD_XMIT_BLS_RSP64_WQE
)
18500 return sglq
->sli4_xritag
;
18501 numBdes
= pwqeq
->rsvd2
;
18503 /* The addrHigh and addrLow fields within the WQE
18504 * have not been byteswapped yet so there is no
18505 * need to swap them back.
18507 if (pwqeq
->context3
)
18508 dmabuf
= (struct lpfc_dmabuf
*)pwqeq
->context3
;
18512 bpl
= (struct ulp_bde64
*)dmabuf
->virt
;
18516 for (i
= 0; i
< numBdes
; i
++) {
18517 /* Should already be byte swapped. */
18518 sgl
->addr_hi
= bpl
->addrHigh
;
18519 sgl
->addr_lo
= bpl
->addrLow
;
18521 sgl
->word2
= le32_to_cpu(sgl
->word2
);
18522 if ((i
+1) == numBdes
)
18523 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
18525 bf_set(lpfc_sli4_sge_last
, sgl
, 0);
18526 /* swap the size field back to the cpu so we
18527 * can assign it to the sgl.
18529 bde
.tus
.w
= le32_to_cpu(bpl
->tus
.w
);
18530 sgl
->sge_len
= cpu_to_le32(bde
.tus
.f
.bdeSize
);
18531 /* The offsets in the sgl need to be accumulated
18532 * separately for the request and reply lists.
18533 * The request is always first, the reply follows.
18536 case CMD_GEN_REQUEST64_WQE
:
18537 /* add up the reply sg entries */
18538 if (bpl
->tus
.f
.bdeFlags
== BUFF_TYPE_BDE_64I
)
18540 /* first inbound? reset the offset */
18543 bf_set(lpfc_sli4_sge_offset
, sgl
, offset
);
18544 bf_set(lpfc_sli4_sge_type
, sgl
,
18545 LPFC_SGE_TYPE_DATA
);
18546 offset
+= bde
.tus
.f
.bdeSize
;
18548 case CMD_FCP_TRSP64_WQE
:
18549 bf_set(lpfc_sli4_sge_offset
, sgl
, 0);
18550 bf_set(lpfc_sli4_sge_type
, sgl
,
18551 LPFC_SGE_TYPE_DATA
);
18553 case CMD_FCP_TSEND64_WQE
:
18554 case CMD_FCP_TRECEIVE64_WQE
:
18555 bf_set(lpfc_sli4_sge_type
, sgl
,
18556 bpl
->tus
.f
.bdeFlags
);
18560 offset
+= bde
.tus
.f
.bdeSize
;
18561 bf_set(lpfc_sli4_sge_offset
, sgl
, offset
);
18564 sgl
->word2
= cpu_to_le32(sgl
->word2
);
18568 } else if (wqe
->gen_req
.bde
.tus
.f
.bdeFlags
== BUFF_TYPE_BDE_64
) {
18569 /* The addrHigh and addrLow fields of the BDE have not
18570 * been byteswapped yet so they need to be swapped
18571 * before putting them in the sgl.
18573 sgl
->addr_hi
= cpu_to_le32(wqe
->gen_req
.bde
.addrHigh
);
18574 sgl
->addr_lo
= cpu_to_le32(wqe
->gen_req
.bde
.addrLow
);
18575 sgl
->word2
= le32_to_cpu(sgl
->word2
);
18576 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
18577 sgl
->word2
= cpu_to_le32(sgl
->word2
);
18578 sgl
->sge_len
= cpu_to_le32(wqe
->gen_req
.bde
.tus
.f
.bdeSize
);
18580 return sglq
->sli4_xritag
;
18584 * lpfc_sli4_issue_wqe - Issue an SLI4 Work Queue Entry (WQE)
18585 * @phba: Pointer to HBA context object.
18586 * @ring_number: Base sli ring number
18587 * @pwqe: Pointer to command WQE.
18590 lpfc_sli4_issue_wqe(struct lpfc_hba
*phba
, uint32_t ring_number
,
18591 struct lpfc_iocbq
*pwqe
)
18593 union lpfc_wqe
*wqe
= &pwqe
->wqe
;
18594 struct lpfc_nvmet_rcv_ctx
*ctxp
;
18595 struct lpfc_queue
*wq
;
18596 struct lpfc_sglq
*sglq
;
18597 struct lpfc_sli_ring
*pring
;
18598 unsigned long iflags
;
18600 /* NVME_LS and NVME_LS ABTS requests. */
18601 if (pwqe
->iocb_flag
& LPFC_IO_NVME_LS
) {
18602 pring
= phba
->sli4_hba
.nvmels_wq
->pring
;
18603 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
18604 sglq
= __lpfc_sli_get_els_sglq(phba
, pwqe
);
18606 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18609 pwqe
->sli4_lxritag
= sglq
->sli4_lxritag
;
18610 pwqe
->sli4_xritag
= sglq
->sli4_xritag
;
18611 if (lpfc_wqe_bpl2sgl(phba
, pwqe
, sglq
) == NO_XRI
) {
18612 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18615 bf_set(wqe_xri_tag
, &pwqe
->wqe
.xmit_bls_rsp
.wqe_com
,
18616 pwqe
->sli4_xritag
);
18617 if (lpfc_sli4_wq_put(phba
->sli4_hba
.nvmels_wq
, wqe
)) {
18618 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18621 lpfc_sli_ringtxcmpl_put(phba
, pring
, pwqe
);
18622 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18626 /* NVME_FCREQ and NVME_ABTS requests */
18627 if (pwqe
->iocb_flag
& LPFC_IO_NVME
) {
18628 /* Get the IO distribution (hba_wqidx) for WQ assignment. */
18629 pring
= phba
->sli4_hba
.nvme_wq
[pwqe
->hba_wqidx
]->pring
;
18631 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
18632 wq
= phba
->sli4_hba
.nvme_wq
[pwqe
->hba_wqidx
];
18633 bf_set(wqe_cqid
, &wqe
->generic
.wqe_com
,
18634 phba
->sli4_hba
.nvme_cq
[pwqe
->hba_wqidx
]->queue_id
);
18635 if (lpfc_sli4_wq_put(wq
, wqe
)) {
18636 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18639 lpfc_sli_ringtxcmpl_put(phba
, pring
, pwqe
);
18640 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18644 /* NVMET requests */
18645 if (pwqe
->iocb_flag
& LPFC_IO_NVMET
) {
18646 /* Get the IO distribution (hba_wqidx) for WQ assignment. */
18647 pring
= phba
->sli4_hba
.nvme_wq
[pwqe
->hba_wqidx
]->pring
;
18649 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
18650 ctxp
= pwqe
->context2
;
18651 sglq
= ctxp
->rqb_buffer
->sglq
;
18652 if (pwqe
->sli4_xritag
== NO_XRI
) {
18653 pwqe
->sli4_lxritag
= sglq
->sli4_lxritag
;
18654 pwqe
->sli4_xritag
= sglq
->sli4_xritag
;
18656 bf_set(wqe_xri_tag
, &pwqe
->wqe
.xmit_bls_rsp
.wqe_com
,
18657 pwqe
->sli4_xritag
);
18658 wq
= phba
->sli4_hba
.nvme_wq
[pwqe
->hba_wqidx
];
18659 bf_set(wqe_cqid
, &wqe
->generic
.wqe_com
,
18660 phba
->sli4_hba
.nvme_cq
[pwqe
->hba_wqidx
]->queue_id
);
18661 if (lpfc_sli4_wq_put(wq
, wqe
)) {
18662 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
18665 lpfc_sli_ringtxcmpl_put(phba
, pring
, pwqe
);
18666 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);