1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2012 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>
28 #include <scsi/scsi.h>
29 #include <scsi/scsi_cmnd.h>
30 #include <scsi/scsi_device.h>
31 #include <scsi/scsi_host.h>
32 #include <scsi/scsi_transport_fc.h>
33 #include <scsi/fc/fc_fs.h>
34 #include <linux/aer.h>
39 #include "lpfc_sli4.h"
41 #include "lpfc_disc.h"
42 #include "lpfc_scsi.h"
44 #include "lpfc_crtn.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_compat.h"
47 #include "lpfc_debugfs.h"
48 #include "lpfc_vport.h"
50 /* There are only four IOCB completion types. */
51 typedef enum _lpfc_iocb_type
{
59 /* Provide function prototypes local to this module. */
60 static int lpfc_sli_issue_mbox_s4(struct lpfc_hba
*, LPFC_MBOXQ_t
*,
62 static int lpfc_sli4_read_rev(struct lpfc_hba
*, LPFC_MBOXQ_t
*,
63 uint8_t *, uint32_t *);
64 static struct lpfc_iocbq
*lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba
*,
66 static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport
*,
68 static int lpfc_sli4_fp_handle_wcqe(struct lpfc_hba
*, struct lpfc_queue
*,
70 static int lpfc_sli4_post_els_sgl_list(struct lpfc_hba
*, struct list_head
*,
72 static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba
*, struct lpfc_eqe
*,
76 lpfc_get_iocb_from_iocbq(struct lpfc_iocbq
*iocbq
)
82 * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue
83 * @q: The Work Queue to operate on.
84 * @wqe: The work Queue Entry to put on the Work queue.
86 * This routine will copy the contents of @wqe to the next available entry on
87 * the @q. This function will then ring the Work Queue Doorbell to signal the
88 * HBA to start processing the Work Queue Entry. This function returns 0 if
89 * successful. If no entries are available on @q then this function will return
91 * The caller is expected to hold the hbalock when calling this routine.
94 lpfc_sli4_wq_put(struct lpfc_queue
*q
, union lpfc_wqe
*wqe
)
96 union lpfc_wqe
*temp_wqe
;
97 struct lpfc_register doorbell
;
101 /* sanity check on queue memory */
104 temp_wqe
= q
->qe
[q
->host_index
].wqe
;
106 /* If the host has not yet processed the next entry then we are done */
107 idx
= ((q
->host_index
+ 1) % q
->entry_count
);
108 if (idx
== q
->hba_index
) {
113 /* set consumption flag every once in a while */
114 if (!((q
->host_index
+ 1) % q
->entry_repost
))
115 bf_set(wqe_wqec
, &wqe
->generic
.wqe_com
, 1);
116 if (q
->phba
->sli3_options
& LPFC_SLI4_PHWQ_ENABLED
)
117 bf_set(wqe_wqid
, &wqe
->generic
.wqe_com
, q
->queue_id
);
118 lpfc_sli_pcimem_bcopy(wqe
, temp_wqe
, q
->entry_size
);
120 /* Update the host index before invoking device */
121 host_index
= q
->host_index
;
127 if (q
->db_format
== LPFC_DB_LIST_FORMAT
) {
128 bf_set(lpfc_wq_db_list_fm_num_posted
, &doorbell
, 1);
129 bf_set(lpfc_wq_db_list_fm_index
, &doorbell
, host_index
);
130 bf_set(lpfc_wq_db_list_fm_id
, &doorbell
, q
->queue_id
);
131 } else if (q
->db_format
== LPFC_DB_RING_FORMAT
) {
132 bf_set(lpfc_wq_db_ring_fm_num_posted
, &doorbell
, 1);
133 bf_set(lpfc_wq_db_ring_fm_id
, &doorbell
, q
->queue_id
);
137 writel(doorbell
.word0
, q
->db_regaddr
);
143 * lpfc_sli4_wq_release - Updates internal hba index for WQ
144 * @q: The Work Queue to operate on.
145 * @index: The index to advance the hba index to.
147 * This routine will update the HBA index of a queue to reflect consumption of
148 * Work Queue Entries by the HBA. When the HBA indicates that it has consumed
149 * an entry the host calls this function to update the queue's internal
150 * pointers. This routine returns the number of entries that were consumed by
154 lpfc_sli4_wq_release(struct lpfc_queue
*q
, uint32_t index
)
156 uint32_t released
= 0;
158 /* sanity check on queue memory */
162 if (q
->hba_index
== index
)
165 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
167 } while (q
->hba_index
!= index
);
172 * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue
173 * @q: The Mailbox Queue to operate on.
174 * @wqe: The Mailbox Queue Entry to put on the Work queue.
176 * This routine will copy the contents of @mqe to the next available entry on
177 * the @q. This function will then ring the Work Queue Doorbell to signal the
178 * HBA to start processing the Work Queue Entry. This function returns 0 if
179 * successful. If no entries are available on @q then this function will return
181 * The caller is expected to hold the hbalock when calling this routine.
184 lpfc_sli4_mq_put(struct lpfc_queue
*q
, struct lpfc_mqe
*mqe
)
186 struct lpfc_mqe
*temp_mqe
;
187 struct lpfc_register doorbell
;
190 /* sanity check on queue memory */
193 temp_mqe
= q
->qe
[q
->host_index
].mqe
;
195 /* If the host has not yet processed the next entry then we are done */
196 if (((q
->host_index
+ 1) % q
->entry_count
) == q
->hba_index
)
198 lpfc_sli_pcimem_bcopy(mqe
, temp_mqe
, q
->entry_size
);
199 /* Save off the mailbox pointer for completion */
200 q
->phba
->mbox
= (MAILBOX_t
*)temp_mqe
;
202 /* Update the host index before invoking device */
203 host_index
= q
->host_index
;
204 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
208 bf_set(lpfc_mq_doorbell_num_posted
, &doorbell
, 1);
209 bf_set(lpfc_mq_doorbell_id
, &doorbell
, q
->queue_id
);
210 writel(doorbell
.word0
, q
->phba
->sli4_hba
.MQDBregaddr
);
215 * lpfc_sli4_mq_release - Updates internal hba index for MQ
216 * @q: The Mailbox Queue to operate on.
218 * This routine will update the HBA index of a queue to reflect consumption of
219 * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed
220 * an entry the host calls this function to update the queue's internal
221 * pointers. This routine returns the number of entries that were consumed by
225 lpfc_sli4_mq_release(struct lpfc_queue
*q
)
227 /* sanity check on queue memory */
231 /* Clear the mailbox pointer for completion */
232 q
->phba
->mbox
= NULL
;
233 q
->hba_index
= ((q
->hba_index
+ 1) % q
->entry_count
);
238 * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ
239 * @q: The Event Queue to get the first valid EQE from
241 * This routine will get the first valid Event Queue Entry from @q, update
242 * the queue's internal hba index, and return the EQE. If no valid EQEs are in
243 * the Queue (no more work to do), or the Queue is full of EQEs that have been
244 * processed, but not popped back to the HBA then this routine will return NULL.
246 static struct lpfc_eqe
*
247 lpfc_sli4_eq_get(struct lpfc_queue
*q
)
249 struct lpfc_eqe
*eqe
;
252 /* sanity check on queue memory */
255 eqe
= q
->qe
[q
->hba_index
].eqe
;
257 /* If the next EQE is not valid then we are done */
258 if (!bf_get_le32(lpfc_eqe_valid
, eqe
))
260 /* If the host has not yet processed the next entry then we are done */
261 idx
= ((q
->hba_index
+ 1) % q
->entry_count
);
262 if (idx
== q
->host_index
)
270 * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ
271 * @q: The Event Queue to disable interrupts
275 lpfc_sli4_eq_clr_intr(struct lpfc_queue
*q
)
277 struct lpfc_register doorbell
;
280 bf_set(lpfc_eqcq_doorbell_eqci
, &doorbell
, 1);
281 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_EVENT
);
282 bf_set(lpfc_eqcq_doorbell_eqid_hi
, &doorbell
,
283 (q
->queue_id
>> LPFC_EQID_HI_FIELD_SHIFT
));
284 bf_set(lpfc_eqcq_doorbell_eqid_lo
, &doorbell
, q
->queue_id
);
285 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
289 * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ
290 * @q: The Event Queue that the host has completed processing for.
291 * @arm: Indicates whether the host wants to arms this CQ.
293 * This routine will mark all Event Queue Entries on @q, from the last
294 * known completed entry to the last entry that was processed, as completed
295 * by clearing the valid bit for each completion queue entry. Then it will
296 * notify the HBA, by ringing the doorbell, that the EQEs have been processed.
297 * The internal host index in the @q will be updated by this routine to indicate
298 * that the host has finished processing the entries. The @arm parameter
299 * indicates that the queue should be rearmed when ringing the doorbell.
301 * This function will return the number of EQEs that were popped.
304 lpfc_sli4_eq_release(struct lpfc_queue
*q
, bool arm
)
306 uint32_t released
= 0;
307 struct lpfc_eqe
*temp_eqe
;
308 struct lpfc_register doorbell
;
310 /* sanity check on queue memory */
314 /* while there are valid entries */
315 while (q
->hba_index
!= q
->host_index
) {
316 temp_eqe
= q
->qe
[q
->host_index
].eqe
;
317 bf_set_le32(lpfc_eqe_valid
, temp_eqe
, 0);
319 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
321 if (unlikely(released
== 0 && !arm
))
324 /* ring doorbell for number popped */
327 bf_set(lpfc_eqcq_doorbell_arm
, &doorbell
, 1);
328 bf_set(lpfc_eqcq_doorbell_eqci
, &doorbell
, 1);
330 bf_set(lpfc_eqcq_doorbell_num_released
, &doorbell
, released
);
331 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_EVENT
);
332 bf_set(lpfc_eqcq_doorbell_eqid_hi
, &doorbell
,
333 (q
->queue_id
>> LPFC_EQID_HI_FIELD_SHIFT
));
334 bf_set(lpfc_eqcq_doorbell_eqid_lo
, &doorbell
, q
->queue_id
);
335 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
336 /* PCI read to flush PCI pipeline on re-arming for INTx mode */
337 if ((q
->phba
->intr_type
== INTx
) && (arm
== LPFC_QUEUE_REARM
))
338 readl(q
->phba
->sli4_hba
.EQCQDBregaddr
);
343 * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ
344 * @q: The Completion Queue to get the first valid CQE from
346 * This routine will get the first valid Completion Queue Entry from @q, update
347 * the queue's internal hba index, and return the CQE. If no valid CQEs are in
348 * the Queue (no more work to do), or the Queue is full of CQEs that have been
349 * processed, but not popped back to the HBA then this routine will return NULL.
351 static struct lpfc_cqe
*
352 lpfc_sli4_cq_get(struct lpfc_queue
*q
)
354 struct lpfc_cqe
*cqe
;
357 /* sanity check on queue memory */
361 /* If the next CQE is not valid then we are done */
362 if (!bf_get_le32(lpfc_cqe_valid
, q
->qe
[q
->hba_index
].cqe
))
364 /* If the host has not yet processed the next entry then we are done */
365 idx
= ((q
->hba_index
+ 1) % q
->entry_count
);
366 if (idx
== q
->host_index
)
369 cqe
= q
->qe
[q
->hba_index
].cqe
;
375 * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ
376 * @q: The Completion Queue that the host has completed processing for.
377 * @arm: Indicates whether the host wants to arms this CQ.
379 * This routine will mark all Completion queue entries on @q, from the last
380 * known completed entry to the last entry that was processed, as completed
381 * by clearing the valid bit for each completion queue entry. Then it will
382 * notify the HBA, by ringing the doorbell, that the CQEs have been processed.
383 * The internal host index in the @q will be updated by this routine to indicate
384 * that the host has finished processing the entries. The @arm parameter
385 * indicates that the queue should be rearmed when ringing the doorbell.
387 * This function will return the number of CQEs that were released.
390 lpfc_sli4_cq_release(struct lpfc_queue
*q
, bool arm
)
392 uint32_t released
= 0;
393 struct lpfc_cqe
*temp_qe
;
394 struct lpfc_register doorbell
;
396 /* sanity check on queue memory */
399 /* while there are valid entries */
400 while (q
->hba_index
!= q
->host_index
) {
401 temp_qe
= q
->qe
[q
->host_index
].cqe
;
402 bf_set_le32(lpfc_cqe_valid
, temp_qe
, 0);
404 q
->host_index
= ((q
->host_index
+ 1) % q
->entry_count
);
406 if (unlikely(released
== 0 && !arm
))
409 /* ring doorbell for number popped */
412 bf_set(lpfc_eqcq_doorbell_arm
, &doorbell
, 1);
413 bf_set(lpfc_eqcq_doorbell_num_released
, &doorbell
, released
);
414 bf_set(lpfc_eqcq_doorbell_qt
, &doorbell
, LPFC_QUEUE_TYPE_COMPLETION
);
415 bf_set(lpfc_eqcq_doorbell_cqid_hi
, &doorbell
,
416 (q
->queue_id
>> LPFC_CQID_HI_FIELD_SHIFT
));
417 bf_set(lpfc_eqcq_doorbell_cqid_lo
, &doorbell
, q
->queue_id
);
418 writel(doorbell
.word0
, q
->phba
->sli4_hba
.EQCQDBregaddr
);
423 * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue
424 * @q: The Header Receive Queue to operate on.
425 * @wqe: The Receive Queue Entry to put on the Receive queue.
427 * This routine will copy the contents of @wqe to the next available entry on
428 * the @q. This function will then ring the Receive Queue Doorbell to signal the
429 * HBA to start processing the Receive Queue Entry. This function returns the
430 * index that the rqe was copied to if successful. If no entries are available
431 * on @q then this function will return -ENOMEM.
432 * The caller is expected to hold the hbalock when calling this routine.
435 lpfc_sli4_rq_put(struct lpfc_queue
*hq
, struct lpfc_queue
*dq
,
436 struct lpfc_rqe
*hrqe
, struct lpfc_rqe
*drqe
)
438 struct lpfc_rqe
*temp_hrqe
;
439 struct lpfc_rqe
*temp_drqe
;
440 struct lpfc_register doorbell
;
441 int put_index
= hq
->host_index
;
443 /* sanity check on queue memory */
444 if (unlikely(!hq
) || unlikely(!dq
))
446 temp_hrqe
= hq
->qe
[hq
->host_index
].rqe
;
447 temp_drqe
= dq
->qe
[dq
->host_index
].rqe
;
449 if (hq
->type
!= LPFC_HRQ
|| dq
->type
!= LPFC_DRQ
)
451 if (hq
->host_index
!= dq
->host_index
)
453 /* If the host has not yet processed the next entry then we are done */
454 if (((hq
->host_index
+ 1) % hq
->entry_count
) == hq
->hba_index
)
456 lpfc_sli_pcimem_bcopy(hrqe
, temp_hrqe
, hq
->entry_size
);
457 lpfc_sli_pcimem_bcopy(drqe
, temp_drqe
, dq
->entry_size
);
459 /* Update the host index to point to the next slot */
460 hq
->host_index
= ((hq
->host_index
+ 1) % hq
->entry_count
);
461 dq
->host_index
= ((dq
->host_index
+ 1) % dq
->entry_count
);
463 /* Ring The Header Receive Queue Doorbell */
464 if (!(hq
->host_index
% hq
->entry_repost
)) {
466 if (hq
->db_format
== LPFC_DB_RING_FORMAT
) {
467 bf_set(lpfc_rq_db_ring_fm_num_posted
, &doorbell
,
469 bf_set(lpfc_rq_db_ring_fm_id
, &doorbell
, hq
->queue_id
);
470 } else if (hq
->db_format
== LPFC_DB_LIST_FORMAT
) {
471 bf_set(lpfc_rq_db_list_fm_num_posted
, &doorbell
,
473 bf_set(lpfc_rq_db_list_fm_index
, &doorbell
,
475 bf_set(lpfc_rq_db_list_fm_id
, &doorbell
, hq
->queue_id
);
479 writel(doorbell
.word0
, hq
->db_regaddr
);
485 * lpfc_sli4_rq_release - Updates internal hba index for RQ
486 * @q: The Header Receive Queue to operate on.
488 * This routine will update the HBA index of a queue to reflect consumption of
489 * one Receive Queue Entry by the HBA. When the HBA indicates that it has
490 * consumed an entry the host calls this function to update the queue's
491 * internal pointers. This routine returns the number of entries that were
492 * consumed by the HBA.
495 lpfc_sli4_rq_release(struct lpfc_queue
*hq
, struct lpfc_queue
*dq
)
497 /* sanity check on queue memory */
498 if (unlikely(!hq
) || unlikely(!dq
))
501 if ((hq
->type
!= LPFC_HRQ
) || (dq
->type
!= LPFC_DRQ
))
503 hq
->hba_index
= ((hq
->hba_index
+ 1) % hq
->entry_count
);
504 dq
->hba_index
= ((dq
->hba_index
+ 1) % dq
->entry_count
);
509 * lpfc_cmd_iocb - Get next command iocb entry in the ring
510 * @phba: Pointer to HBA context object.
511 * @pring: Pointer to driver SLI ring object.
513 * This function returns pointer to next command iocb entry
514 * in the command ring. The caller must hold hbalock to prevent
515 * other threads consume the next command iocb.
516 * SLI-2/SLI-3 provide different sized iocbs.
518 static inline IOCB_t
*
519 lpfc_cmd_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
521 return (IOCB_t
*) (((char *) pring
->sli
.sli3
.cmdringaddr
) +
522 pring
->sli
.sli3
.cmdidx
* phba
->iocb_cmd_size
);
526 * lpfc_resp_iocb - Get next response iocb entry in the ring
527 * @phba: Pointer to HBA context object.
528 * @pring: Pointer to driver SLI ring object.
530 * This function returns pointer to next response iocb entry
531 * in the response ring. The caller must hold hbalock to make sure
532 * that no other thread consume the next response iocb.
533 * SLI-2/SLI-3 provide different sized iocbs.
535 static inline IOCB_t
*
536 lpfc_resp_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
538 return (IOCB_t
*) (((char *) pring
->sli
.sli3
.rspringaddr
) +
539 pring
->sli
.sli3
.rspidx
* phba
->iocb_rsp_size
);
543 * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
544 * @phba: Pointer to HBA context object.
546 * This function is called with hbalock held. This function
547 * allocates a new driver iocb object from the iocb pool. If the
548 * allocation is successful, it returns pointer to the newly
549 * allocated iocb object else it returns NULL.
552 __lpfc_sli_get_iocbq(struct lpfc_hba
*phba
)
554 struct list_head
*lpfc_iocb_list
= &phba
->lpfc_iocb_list
;
555 struct lpfc_iocbq
* iocbq
= NULL
;
557 list_remove_head(lpfc_iocb_list
, iocbq
, struct lpfc_iocbq
, list
);
560 if (phba
->iocb_cnt
> phba
->iocb_max
)
561 phba
->iocb_max
= phba
->iocb_cnt
;
566 * __lpfc_clear_active_sglq - Remove the active sglq for this XRI.
567 * @phba: Pointer to HBA context object.
568 * @xritag: XRI value.
570 * This function clears the sglq pointer from the array of acive
571 * sglq's. The xritag that is passed in is used to index into the
572 * array. Before the xritag can be used it needs to be adjusted
573 * by subtracting the xribase.
575 * Returns sglq ponter = success, NULL = Failure.
577 static struct lpfc_sglq
*
578 __lpfc_clear_active_sglq(struct lpfc_hba
*phba
, uint16_t xritag
)
580 struct lpfc_sglq
*sglq
;
582 sglq
= phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
];
583 phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
] = NULL
;
588 * __lpfc_get_active_sglq - Get the active sglq for this XRI.
589 * @phba: Pointer to HBA context object.
590 * @xritag: XRI value.
592 * This function returns the sglq pointer from the array of acive
593 * sglq's. The xritag that is passed in is used to index into the
594 * array. Before the xritag can be used it needs to be adjusted
595 * by subtracting the xribase.
597 * Returns sglq ponter = success, NULL = Failure.
600 __lpfc_get_active_sglq(struct lpfc_hba
*phba
, uint16_t xritag
)
602 struct lpfc_sglq
*sglq
;
604 sglq
= phba
->sli4_hba
.lpfc_sglq_active_list
[xritag
];
609 * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap.
610 * @phba: Pointer to HBA context object.
611 * @xritag: xri used in this exchange.
612 * @rrq: The RRQ to be cleared.
616 lpfc_clr_rrq_active(struct lpfc_hba
*phba
,
618 struct lpfc_node_rrq
*rrq
)
620 struct lpfc_nodelist
*ndlp
= NULL
;
622 if ((rrq
->vport
) && NLP_CHK_NODE_ACT(rrq
->ndlp
))
623 ndlp
= lpfc_findnode_did(rrq
->vport
, rrq
->nlp_DID
);
625 /* The target DID could have been swapped (cable swap)
626 * we should use the ndlp from the findnode if it is
629 if ((!ndlp
) && rrq
->ndlp
)
635 if (test_and_clear_bit(xritag
, ndlp
->active_rrqs
.xri_bitmap
)) {
638 rrq
->rrq_stop_time
= 0;
641 mempool_free(rrq
, phba
->rrq_pool
);
645 * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV.
646 * @phba: Pointer to HBA context object.
648 * This function is called with hbalock held. This function
649 * Checks if stop_time (ratov from setting rrq active) has
650 * been reached, if it has and the send_rrq flag is set then
651 * it will call lpfc_send_rrq. If the send_rrq flag is not set
652 * then it will just call the routine to clear the rrq and
653 * free the rrq resource.
654 * The timer is set to the next rrq that is going to expire before
655 * leaving the routine.
659 lpfc_handle_rrq_active(struct lpfc_hba
*phba
)
661 struct lpfc_node_rrq
*rrq
;
662 struct lpfc_node_rrq
*nextrrq
;
663 unsigned long next_time
;
664 unsigned long iflags
;
667 spin_lock_irqsave(&phba
->hbalock
, iflags
);
668 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
669 next_time
= jiffies
+ HZ
* (phba
->fc_ratov
+ 1);
670 list_for_each_entry_safe(rrq
, nextrrq
,
671 &phba
->active_rrq_list
, list
) {
672 if (time_after(jiffies
, rrq
->rrq_stop_time
))
673 list_move(&rrq
->list
, &send_rrq
);
674 else if (time_before(rrq
->rrq_stop_time
, next_time
))
675 next_time
= rrq
->rrq_stop_time
;
677 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
678 if (!list_empty(&phba
->active_rrq_list
))
679 mod_timer(&phba
->rrq_tmr
, next_time
);
680 list_for_each_entry_safe(rrq
, nextrrq
, &send_rrq
, list
) {
681 list_del(&rrq
->list
);
683 /* this call will free the rrq */
684 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
685 else if (lpfc_send_rrq(phba
, rrq
)) {
686 /* if we send the rrq then the completion handler
687 * will clear the bit in the xribitmap.
689 lpfc_clr_rrq_active(phba
, rrq
->xritag
,
696 * lpfc_get_active_rrq - Get the active RRQ for this exchange.
697 * @vport: Pointer to vport context object.
698 * @xri: The xri used in the exchange.
699 * @did: The targets DID for this exchange.
701 * returns NULL = rrq not found in the phba->active_rrq_list.
702 * rrq = rrq for this xri and target.
704 struct lpfc_node_rrq
*
705 lpfc_get_active_rrq(struct lpfc_vport
*vport
, uint16_t xri
, uint32_t did
)
707 struct lpfc_hba
*phba
= vport
->phba
;
708 struct lpfc_node_rrq
*rrq
;
709 struct lpfc_node_rrq
*nextrrq
;
710 unsigned long iflags
;
712 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
714 spin_lock_irqsave(&phba
->hbalock
, iflags
);
715 list_for_each_entry_safe(rrq
, nextrrq
, &phba
->active_rrq_list
, list
) {
716 if (rrq
->vport
== vport
&& rrq
->xritag
== xri
&&
717 rrq
->nlp_DID
== did
){
718 list_del(&rrq
->list
);
719 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
723 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
728 * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport.
729 * @vport: Pointer to vport context object.
730 * @ndlp: Pointer to the lpfc_node_list structure.
731 * If ndlp is NULL Remove all active RRQs for this vport from the
732 * phba->active_rrq_list and clear the rrq.
733 * If ndlp is not NULL then only remove rrqs for this vport & this ndlp.
736 lpfc_cleanup_vports_rrqs(struct lpfc_vport
*vport
, struct lpfc_nodelist
*ndlp
)
739 struct lpfc_hba
*phba
= vport
->phba
;
740 struct lpfc_node_rrq
*rrq
;
741 struct lpfc_node_rrq
*nextrrq
;
742 unsigned long iflags
;
745 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
748 lpfc_sli4_vport_delete_els_xri_aborted(vport
);
749 lpfc_sli4_vport_delete_fcp_xri_aborted(vport
);
751 spin_lock_irqsave(&phba
->hbalock
, iflags
);
752 list_for_each_entry_safe(rrq
, nextrrq
, &phba
->active_rrq_list
, list
)
753 if ((rrq
->vport
== vport
) && (!ndlp
|| rrq
->ndlp
== ndlp
))
754 list_move(&rrq
->list
, &rrq_list
);
755 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
757 list_for_each_entry_safe(rrq
, nextrrq
, &rrq_list
, list
) {
758 list_del(&rrq
->list
);
759 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
764 * lpfc_cleanup_wt_rrqs - Remove all rrq's from the active list.
765 * @phba: Pointer to HBA context object.
767 * Remove all rrqs from the phba->active_rrq_list and free them by
768 * calling __lpfc_clr_active_rrq
772 lpfc_cleanup_wt_rrqs(struct lpfc_hba
*phba
)
774 struct lpfc_node_rrq
*rrq
;
775 struct lpfc_node_rrq
*nextrrq
;
776 unsigned long next_time
;
777 unsigned long iflags
;
780 if (phba
->sli_rev
!= LPFC_SLI_REV4
)
782 spin_lock_irqsave(&phba
->hbalock
, iflags
);
783 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
784 next_time
= jiffies
+ HZ
* (phba
->fc_ratov
* 2);
785 list_splice_init(&phba
->active_rrq_list
, &rrq_list
);
786 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
788 list_for_each_entry_safe(rrq
, nextrrq
, &rrq_list
, list
) {
789 list_del(&rrq
->list
);
790 lpfc_clr_rrq_active(phba
, rrq
->xritag
, rrq
);
792 if (!list_empty(&phba
->active_rrq_list
))
793 mod_timer(&phba
->rrq_tmr
, next_time
);
798 * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap.
799 * @phba: Pointer to HBA context object.
800 * @ndlp: Targets nodelist pointer for this exchange.
801 * @xritag the xri in the bitmap to test.
803 * This function is called with hbalock held. This function
804 * returns 0 = rrq not active for this xri
805 * 1 = rrq is valid for this xri.
808 lpfc_test_rrq_active(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
813 if (test_bit(xritag
, ndlp
->active_rrqs
.xri_bitmap
))
820 * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap.
821 * @phba: Pointer to HBA context object.
822 * @ndlp: nodelist pointer for this target.
823 * @xritag: xri used in this exchange.
824 * @rxid: Remote Exchange ID.
825 * @send_rrq: Flag used to determine if we should send rrq els cmd.
827 * This function takes the hbalock.
828 * The active bit is always set in the active rrq xri_bitmap even
829 * if there is no slot avaiable for the other rrq information.
831 * returns 0 rrq actived for this xri
832 * < 0 No memory or invalid ndlp.
835 lpfc_set_rrq_active(struct lpfc_hba
*phba
, struct lpfc_nodelist
*ndlp
,
836 uint16_t xritag
, uint16_t rxid
, uint16_t send_rrq
)
838 unsigned long iflags
;
839 struct lpfc_node_rrq
*rrq
;
845 if (!phba
->cfg_enable_rrq
)
848 spin_lock_irqsave(&phba
->hbalock
, iflags
);
849 if (phba
->pport
->load_flag
& FC_UNLOADING
) {
850 phba
->hba_flag
&= ~HBA_RRQ_ACTIVE
;
855 * set the active bit even if there is no mem available.
857 if (NLP_CHK_FREE_REQ(ndlp
))
860 if (ndlp
->vport
&& (ndlp
->vport
->load_flag
& FC_UNLOADING
))
863 if (test_and_set_bit(xritag
, ndlp
->active_rrqs
.xri_bitmap
))
866 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
867 rrq
= mempool_alloc(phba
->rrq_pool
, GFP_KERNEL
);
869 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
870 "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x"
871 " DID:0x%x Send:%d\n",
872 xritag
, rxid
, ndlp
->nlp_DID
, send_rrq
);
875 rrq
->send_rrq
= send_rrq
;
876 rrq
->xritag
= xritag
;
877 rrq
->rrq_stop_time
= jiffies
+ HZ
* (phba
->fc_ratov
+ 1);
879 rrq
->nlp_DID
= ndlp
->nlp_DID
;
880 rrq
->vport
= ndlp
->vport
;
882 rrq
->send_rrq
= send_rrq
;
883 spin_lock_irqsave(&phba
->hbalock
, iflags
);
884 empty
= list_empty(&phba
->active_rrq_list
);
885 list_add_tail(&rrq
->list
, &phba
->active_rrq_list
);
886 phba
->hba_flag
|= HBA_RRQ_ACTIVE
;
888 lpfc_worker_wake_up(phba
);
889 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
892 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
893 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
894 "2921 Can't set rrq active xri:0x%x rxid:0x%x"
895 " DID:0x%x Send:%d\n",
896 xritag
, rxid
, ndlp
->nlp_DID
, send_rrq
);
901 * __lpfc_sli_get_sglq - Allocates an iocb object from sgl pool
902 * @phba: Pointer to HBA context object.
903 * @piocb: Pointer to the iocbq.
905 * This function is called with hbalock held. This function
906 * gets a new driver sglq object from the sglq list. If the
907 * list is not empty then it is successful, it returns pointer to the newly
908 * allocated sglq object else it returns NULL.
910 static struct lpfc_sglq
*
911 __lpfc_sli_get_sglq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocbq
)
913 struct list_head
*lpfc_sgl_list
= &phba
->sli4_hba
.lpfc_sgl_list
;
914 struct lpfc_sglq
*sglq
= NULL
;
915 struct lpfc_sglq
*start_sglq
= NULL
;
916 struct lpfc_scsi_buf
*lpfc_cmd
;
917 struct lpfc_nodelist
*ndlp
;
920 if (piocbq
->iocb_flag
& LPFC_IO_FCP
) {
921 lpfc_cmd
= (struct lpfc_scsi_buf
*) piocbq
->context1
;
922 ndlp
= lpfc_cmd
->rdata
->pnode
;
923 } else if ((piocbq
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
) &&
924 !(piocbq
->iocb_flag
& LPFC_IO_LIBDFC
))
925 ndlp
= piocbq
->context_un
.ndlp
;
926 else if ((piocbq
->iocb
.ulpCommand
== CMD_ELS_REQUEST64_CR
) &&
927 (piocbq
->iocb_flag
& LPFC_IO_LIBDFC
))
928 ndlp
= piocbq
->context_un
.ndlp
;
930 ndlp
= piocbq
->context1
;
932 list_remove_head(lpfc_sgl_list
, sglq
, struct lpfc_sglq
, list
);
937 if (lpfc_test_rrq_active(phba
, ndlp
, sglq
->sli4_lxritag
)) {
938 /* This xri has an rrq outstanding for this DID.
939 * put it back in the list and get another xri.
941 list_add_tail(&sglq
->list
, lpfc_sgl_list
);
943 list_remove_head(lpfc_sgl_list
, sglq
,
944 struct lpfc_sglq
, list
);
945 if (sglq
== start_sglq
) {
953 phba
->sli4_hba
.lpfc_sglq_active_list
[sglq
->sli4_lxritag
] = sglq
;
954 sglq
->state
= SGL_ALLOCATED
;
960 * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
961 * @phba: Pointer to HBA context object.
963 * This function is called with no lock held. This function
964 * allocates a new driver iocb object from the iocb pool. If the
965 * allocation is successful, it returns pointer to the newly
966 * allocated iocb object else it returns NULL.
969 lpfc_sli_get_iocbq(struct lpfc_hba
*phba
)
971 struct lpfc_iocbq
* iocbq
= NULL
;
972 unsigned long iflags
;
974 spin_lock_irqsave(&phba
->hbalock
, iflags
);
975 iocbq
= __lpfc_sli_get_iocbq(phba
);
976 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
981 * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool
982 * @phba: Pointer to HBA context object.
983 * @iocbq: Pointer to driver iocb object.
985 * This function is called with hbalock held to release driver
986 * iocb object to the iocb pool. The iotag in the iocb object
987 * does not change for each use of the iocb object. This function
988 * clears all other fields of the iocb object when it is freed.
989 * The sqlq structure that holds the xritag and phys and virtual
990 * mappings for the scatter gather list is retrieved from the
991 * active array of sglq. The get of the sglq pointer also clears
992 * the entry in the array. If the status of the IO indiactes that
993 * this IO was aborted then the sglq entry it put on the
994 * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the
995 * IO has good status or fails for any other reason then the sglq
996 * entry is added to the free list (lpfc_sgl_list).
999 __lpfc_sli_release_iocbq_s4(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1001 struct lpfc_sglq
*sglq
;
1002 size_t start_clean
= offsetof(struct lpfc_iocbq
, iocb
);
1003 unsigned long iflag
= 0;
1004 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
1006 if (iocbq
->sli4_xritag
== NO_XRI
)
1009 sglq
= __lpfc_clear_active_sglq(phba
, iocbq
->sli4_lxritag
);
1012 if ((iocbq
->iocb_flag
& LPFC_EXCHANGE_BUSY
) &&
1013 (sglq
->state
!= SGL_XRI_ABORTED
)) {
1014 spin_lock_irqsave(&phba
->sli4_hba
.abts_sgl_list_lock
,
1016 list_add(&sglq
->list
,
1017 &phba
->sli4_hba
.lpfc_abts_els_sgl_list
);
1018 spin_unlock_irqrestore(
1019 &phba
->sli4_hba
.abts_sgl_list_lock
, iflag
);
1021 sglq
->state
= SGL_FREED
;
1023 list_add_tail(&sglq
->list
,
1024 &phba
->sli4_hba
.lpfc_sgl_list
);
1026 /* Check if TXQ queue needs to be serviced */
1028 lpfc_worker_wake_up(phba
);
1034 * Clean all volatile data fields, preserve iotag and node struct.
1036 memset((char *)iocbq
+ start_clean
, 0, sizeof(*iocbq
) - start_clean
);
1037 iocbq
->sli4_lxritag
= NO_XRI
;
1038 iocbq
->sli4_xritag
= NO_XRI
;
1039 list_add_tail(&iocbq
->list
, &phba
->lpfc_iocb_list
);
1044 * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool
1045 * @phba: Pointer to HBA context object.
1046 * @iocbq: Pointer to driver iocb object.
1048 * This function is called with hbalock held to release driver
1049 * iocb object to the iocb pool. The iotag in the iocb object
1050 * does not change for each use of the iocb object. This function
1051 * clears all other fields of the iocb object when it is freed.
1054 __lpfc_sli_release_iocbq_s3(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1056 size_t start_clean
= offsetof(struct lpfc_iocbq
, iocb
);
1059 * Clean all volatile data fields, preserve iotag and node struct.
1061 memset((char*)iocbq
+ start_clean
, 0, sizeof(*iocbq
) - start_clean
);
1062 iocbq
->sli4_xritag
= NO_XRI
;
1063 list_add_tail(&iocbq
->list
, &phba
->lpfc_iocb_list
);
1067 * __lpfc_sli_release_iocbq - Release iocb to the iocb pool
1068 * @phba: Pointer to HBA context object.
1069 * @iocbq: Pointer to driver iocb object.
1071 * This function is called with hbalock held to release driver
1072 * iocb object to the iocb pool. The iotag in the iocb object
1073 * does not change for each use of the iocb object. This function
1074 * clears all other fields of the iocb object when it is freed.
1077 __lpfc_sli_release_iocbq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1079 phba
->__lpfc_sli_release_iocbq(phba
, iocbq
);
1084 * lpfc_sli_release_iocbq - Release iocb to the iocb pool
1085 * @phba: Pointer to HBA context object.
1086 * @iocbq: Pointer to driver iocb object.
1088 * This function is called with no lock held to release the iocb to
1092 lpfc_sli_release_iocbq(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1094 unsigned long iflags
;
1097 * Clean all volatile data fields, preserve iotag and node struct.
1099 spin_lock_irqsave(&phba
->hbalock
, iflags
);
1100 __lpfc_sli_release_iocbq(phba
, iocbq
);
1101 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
1105 * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list.
1106 * @phba: Pointer to HBA context object.
1107 * @iocblist: List of IOCBs.
1108 * @ulpstatus: ULP status in IOCB command field.
1109 * @ulpWord4: ULP word-4 in IOCB command field.
1111 * This function is called with a list of IOCBs to cancel. It cancels the IOCB
1112 * on the list by invoking the complete callback function associated with the
1113 * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond
1117 lpfc_sli_cancel_iocbs(struct lpfc_hba
*phba
, struct list_head
*iocblist
,
1118 uint32_t ulpstatus
, uint32_t ulpWord4
)
1120 struct lpfc_iocbq
*piocb
;
1122 while (!list_empty(iocblist
)) {
1123 list_remove_head(iocblist
, piocb
, struct lpfc_iocbq
, list
);
1125 if (!piocb
->iocb_cmpl
)
1126 lpfc_sli_release_iocbq(phba
, piocb
);
1128 piocb
->iocb
.ulpStatus
= ulpstatus
;
1129 piocb
->iocb
.un
.ulpWord
[4] = ulpWord4
;
1130 (piocb
->iocb_cmpl
) (phba
, piocb
, piocb
);
1137 * lpfc_sli_iocb_cmd_type - Get the iocb type
1138 * @iocb_cmnd: iocb command code.
1140 * This function is called by ring event handler function to get the iocb type.
1141 * This function translates the iocb command to an iocb command type used to
1142 * decide the final disposition of each completed IOCB.
1143 * The function returns
1144 * LPFC_UNKNOWN_IOCB if it is an unsupported iocb
1145 * LPFC_SOL_IOCB if it is a solicited iocb completion
1146 * LPFC_ABORT_IOCB if it is an abort iocb
1147 * LPFC_UNSOL_IOCB if it is an unsolicited iocb
1149 * The caller is not required to hold any lock.
1151 static lpfc_iocb_type
1152 lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd
)
1154 lpfc_iocb_type type
= LPFC_UNKNOWN_IOCB
;
1156 if (iocb_cmnd
> CMD_MAX_IOCB_CMD
)
1159 switch (iocb_cmnd
) {
1160 case CMD_XMIT_SEQUENCE_CR
:
1161 case CMD_XMIT_SEQUENCE_CX
:
1162 case CMD_XMIT_BCAST_CN
:
1163 case CMD_XMIT_BCAST_CX
:
1164 case CMD_ELS_REQUEST_CR
:
1165 case CMD_ELS_REQUEST_CX
:
1166 case CMD_CREATE_XRI_CR
:
1167 case CMD_CREATE_XRI_CX
:
1168 case CMD_GET_RPI_CN
:
1169 case CMD_XMIT_ELS_RSP_CX
:
1170 case CMD_GET_RPI_CR
:
1171 case CMD_FCP_IWRITE_CR
:
1172 case CMD_FCP_IWRITE_CX
:
1173 case CMD_FCP_IREAD_CR
:
1174 case CMD_FCP_IREAD_CX
:
1175 case CMD_FCP_ICMND_CR
:
1176 case CMD_FCP_ICMND_CX
:
1177 case CMD_FCP_TSEND_CX
:
1178 case CMD_FCP_TRSP_CX
:
1179 case CMD_FCP_TRECEIVE_CX
:
1180 case CMD_FCP_AUTO_TRSP_CX
:
1181 case CMD_ADAPTER_MSG
:
1182 case CMD_ADAPTER_DUMP
:
1183 case CMD_XMIT_SEQUENCE64_CR
:
1184 case CMD_XMIT_SEQUENCE64_CX
:
1185 case CMD_XMIT_BCAST64_CN
:
1186 case CMD_XMIT_BCAST64_CX
:
1187 case CMD_ELS_REQUEST64_CR
:
1188 case CMD_ELS_REQUEST64_CX
:
1189 case CMD_FCP_IWRITE64_CR
:
1190 case CMD_FCP_IWRITE64_CX
:
1191 case CMD_FCP_IREAD64_CR
:
1192 case CMD_FCP_IREAD64_CX
:
1193 case CMD_FCP_ICMND64_CR
:
1194 case CMD_FCP_ICMND64_CX
:
1195 case CMD_FCP_TSEND64_CX
:
1196 case CMD_FCP_TRSP64_CX
:
1197 case CMD_FCP_TRECEIVE64_CX
:
1198 case CMD_GEN_REQUEST64_CR
:
1199 case CMD_GEN_REQUEST64_CX
:
1200 case CMD_XMIT_ELS_RSP64_CX
:
1201 case DSSCMD_IWRITE64_CR
:
1202 case DSSCMD_IWRITE64_CX
:
1203 case DSSCMD_IREAD64_CR
:
1204 case DSSCMD_IREAD64_CX
:
1205 type
= LPFC_SOL_IOCB
;
1207 case CMD_ABORT_XRI_CN
:
1208 case CMD_ABORT_XRI_CX
:
1209 case CMD_CLOSE_XRI_CN
:
1210 case CMD_CLOSE_XRI_CX
:
1211 case CMD_XRI_ABORTED_CX
:
1212 case CMD_ABORT_MXRI64_CN
:
1213 case CMD_XMIT_BLS_RSP64_CX
:
1214 type
= LPFC_ABORT_IOCB
;
1216 case CMD_RCV_SEQUENCE_CX
:
1217 case CMD_RCV_ELS_REQ_CX
:
1218 case CMD_RCV_SEQUENCE64_CX
:
1219 case CMD_RCV_ELS_REQ64_CX
:
1220 case CMD_ASYNC_STATUS
:
1221 case CMD_IOCB_RCV_SEQ64_CX
:
1222 case CMD_IOCB_RCV_ELS64_CX
:
1223 case CMD_IOCB_RCV_CONT64_CX
:
1224 case CMD_IOCB_RET_XRI64_CX
:
1225 type
= LPFC_UNSOL_IOCB
;
1227 case CMD_IOCB_XMIT_MSEQ64_CR
:
1228 case CMD_IOCB_XMIT_MSEQ64_CX
:
1229 case CMD_IOCB_RCV_SEQ_LIST64_CX
:
1230 case CMD_IOCB_RCV_ELS_LIST64_CX
:
1231 case CMD_IOCB_CLOSE_EXTENDED_CN
:
1232 case CMD_IOCB_ABORT_EXTENDED_CN
:
1233 case CMD_IOCB_RET_HBQE64_CN
:
1234 case CMD_IOCB_FCP_IBIDIR64_CR
:
1235 case CMD_IOCB_FCP_IBIDIR64_CX
:
1236 case CMD_IOCB_FCP_ITASKMGT64_CX
:
1237 case CMD_IOCB_LOGENTRY_CN
:
1238 case CMD_IOCB_LOGENTRY_ASYNC_CN
:
1239 printk("%s - Unhandled SLI-3 Command x%x\n",
1240 __func__
, iocb_cmnd
);
1241 type
= LPFC_UNKNOWN_IOCB
;
1244 type
= LPFC_UNKNOWN_IOCB
;
1252 * lpfc_sli_ring_map - Issue config_ring mbox for all rings
1253 * @phba: Pointer to HBA context object.
1255 * This function is called from SLI initialization code
1256 * to configure every ring of the HBA's SLI interface. The
1257 * caller is not required to hold any lock. This function issues
1258 * a config_ring mailbox command for each ring.
1259 * This function returns zero if successful else returns a negative
1263 lpfc_sli_ring_map(struct lpfc_hba
*phba
)
1265 struct lpfc_sli
*psli
= &phba
->sli
;
1270 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
1274 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
1275 for (i
= 0; i
< psli
->num_rings
; i
++) {
1276 lpfc_config_ring(phba
, i
, pmb
);
1277 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
1278 if (rc
!= MBX_SUCCESS
) {
1279 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1280 "0446 Adapter failed to init (%d), "
1281 "mbxCmd x%x CFG_RING, mbxStatus x%x, "
1283 rc
, pmbox
->mbxCommand
,
1284 pmbox
->mbxStatus
, i
);
1285 phba
->link_state
= LPFC_HBA_ERROR
;
1290 mempool_free(pmb
, phba
->mbox_mem_pool
);
1295 * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq
1296 * @phba: Pointer to HBA context object.
1297 * @pring: Pointer to driver SLI ring object.
1298 * @piocb: Pointer to the driver iocb object.
1300 * This function is called with hbalock held. The function adds the
1301 * new iocb to txcmplq of the given ring. This function always returns
1302 * 0. If this function is called for ELS ring, this function checks if
1303 * there is a vport associated with the ELS command. This function also
1304 * starts els_tmofunc timer if this is an ELS command.
1307 lpfc_sli_ringtxcmpl_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
1308 struct lpfc_iocbq
*piocb
)
1310 list_add_tail(&piocb
->list
, &pring
->txcmplq
);
1311 piocb
->iocb_flag
|= LPFC_IO_ON_TXCMPLQ
;
1312 pring
->txcmplq_cnt
++;
1313 if (pring
->txcmplq_cnt
> pring
->txcmplq_max
)
1314 pring
->txcmplq_max
= pring
->txcmplq_cnt
;
1316 if ((unlikely(pring
->ringno
== LPFC_ELS_RING
)) &&
1317 (piocb
->iocb
.ulpCommand
!= CMD_ABORT_XRI_CN
) &&
1318 (piocb
->iocb
.ulpCommand
!= CMD_CLOSE_XRI_CN
)) {
1322 mod_timer(&piocb
->vport
->els_tmofunc
,
1323 jiffies
+ HZ
* (phba
->fc_ratov
<< 1));
1331 * lpfc_sli_ringtx_get - Get first element of the txq
1332 * @phba: Pointer to HBA context object.
1333 * @pring: Pointer to driver SLI ring object.
1335 * This function is called with hbalock held to get next
1336 * iocb in txq of the given ring. If there is any iocb in
1337 * the txq, the function returns first iocb in the list after
1338 * removing the iocb from the list, else it returns NULL.
1341 lpfc_sli_ringtx_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1343 struct lpfc_iocbq
*cmd_iocb
;
1345 list_remove_head((&pring
->txq
), cmd_iocb
, struct lpfc_iocbq
, list
);
1346 if (cmd_iocb
!= NULL
)
1352 * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring
1353 * @phba: Pointer to HBA context object.
1354 * @pring: Pointer to driver SLI ring object.
1356 * This function is called with hbalock held and the caller must post the
1357 * iocb without releasing the lock. If the caller releases the lock,
1358 * iocb slot returned by the function is not guaranteed to be available.
1359 * The function returns pointer to the next available iocb slot if there
1360 * is available slot in the ring, else it returns NULL.
1361 * If the get index of the ring is ahead of the put index, the function
1362 * will post an error attention event to the worker thread to take the
1363 * HBA to offline state.
1366 lpfc_sli_next_iocb_slot (struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1368 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
1369 uint32_t max_cmd_idx
= pring
->sli
.sli3
.numCiocb
;
1370 if ((pring
->sli
.sli3
.next_cmdidx
== pring
->sli
.sli3
.cmdidx
) &&
1371 (++pring
->sli
.sli3
.next_cmdidx
>= max_cmd_idx
))
1372 pring
->sli
.sli3
.next_cmdidx
= 0;
1374 if (unlikely(pring
->sli
.sli3
.local_getidx
==
1375 pring
->sli
.sli3
.next_cmdidx
)) {
1377 pring
->sli
.sli3
.local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
1379 if (unlikely(pring
->sli
.sli3
.local_getidx
>= max_cmd_idx
)) {
1380 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
1381 "0315 Ring %d issue: portCmdGet %d "
1382 "is bigger than cmd ring %d\n",
1384 pring
->sli
.sli3
.local_getidx
,
1387 phba
->link_state
= LPFC_HBA_ERROR
;
1389 * All error attention handlers are posted to
1392 phba
->work_ha
|= HA_ERATT
;
1393 phba
->work_hs
= HS_FFER3
;
1395 lpfc_worker_wake_up(phba
);
1400 if (pring
->sli
.sli3
.local_getidx
== pring
->sli
.sli3
.next_cmdidx
)
1404 return lpfc_cmd_iocb(phba
, pring
);
1408 * lpfc_sli_next_iotag - Get an iotag for the iocb
1409 * @phba: Pointer to HBA context object.
1410 * @iocbq: Pointer to driver iocb object.
1412 * This function gets an iotag for the iocb. If there is no unused iotag and
1413 * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup
1414 * array and assigns a new iotag.
1415 * The function returns the allocated iotag if successful, else returns zero.
1416 * Zero is not a valid iotag.
1417 * The caller is not required to hold any lock.
1420 lpfc_sli_next_iotag(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
)
1422 struct lpfc_iocbq
**new_arr
;
1423 struct lpfc_iocbq
**old_arr
;
1425 struct lpfc_sli
*psli
= &phba
->sli
;
1428 spin_lock_irq(&phba
->hbalock
);
1429 iotag
= psli
->last_iotag
;
1430 if(++iotag
< psli
->iocbq_lookup_len
) {
1431 psli
->last_iotag
= iotag
;
1432 psli
->iocbq_lookup
[iotag
] = iocbq
;
1433 spin_unlock_irq(&phba
->hbalock
);
1434 iocbq
->iotag
= iotag
;
1436 } else if (psli
->iocbq_lookup_len
< (0xffff
1437 - LPFC_IOCBQ_LOOKUP_INCREMENT
)) {
1438 new_len
= psli
->iocbq_lookup_len
+ LPFC_IOCBQ_LOOKUP_INCREMENT
;
1439 spin_unlock_irq(&phba
->hbalock
);
1440 new_arr
= kzalloc(new_len
* sizeof (struct lpfc_iocbq
*),
1443 spin_lock_irq(&phba
->hbalock
);
1444 old_arr
= psli
->iocbq_lookup
;
1445 if (new_len
<= psli
->iocbq_lookup_len
) {
1446 /* highly unprobable case */
1448 iotag
= psli
->last_iotag
;
1449 if(++iotag
< psli
->iocbq_lookup_len
) {
1450 psli
->last_iotag
= iotag
;
1451 psli
->iocbq_lookup
[iotag
] = iocbq
;
1452 spin_unlock_irq(&phba
->hbalock
);
1453 iocbq
->iotag
= iotag
;
1456 spin_unlock_irq(&phba
->hbalock
);
1459 if (psli
->iocbq_lookup
)
1460 memcpy(new_arr
, old_arr
,
1461 ((psli
->last_iotag
+ 1) *
1462 sizeof (struct lpfc_iocbq
*)));
1463 psli
->iocbq_lookup
= new_arr
;
1464 psli
->iocbq_lookup_len
= new_len
;
1465 psli
->last_iotag
= iotag
;
1466 psli
->iocbq_lookup
[iotag
] = iocbq
;
1467 spin_unlock_irq(&phba
->hbalock
);
1468 iocbq
->iotag
= iotag
;
1473 spin_unlock_irq(&phba
->hbalock
);
1475 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
1476 "0318 Failed to allocate IOTAG.last IOTAG is %d\n",
1483 * lpfc_sli_submit_iocb - Submit an iocb to the firmware
1484 * @phba: Pointer to HBA context object.
1485 * @pring: Pointer to driver SLI ring object.
1486 * @iocb: Pointer to iocb slot in the ring.
1487 * @nextiocb: Pointer to driver iocb object which need to be
1488 * posted to firmware.
1490 * This function is called with hbalock held to post a new iocb to
1491 * the firmware. This function copies the new iocb to ring iocb slot and
1492 * updates the ring pointers. It adds the new iocb to txcmplq if there is
1493 * a completion call back for this iocb else the function will free the
1497 lpfc_sli_submit_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
1498 IOCB_t
*iocb
, struct lpfc_iocbq
*nextiocb
)
1503 nextiocb
->iocb
.ulpIoTag
= (nextiocb
->iocb_cmpl
) ? nextiocb
->iotag
: 0;
1506 if (pring
->ringno
== LPFC_ELS_RING
) {
1507 lpfc_debugfs_slow_ring_trc(phba
,
1508 "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x",
1509 *(((uint32_t *) &nextiocb
->iocb
) + 4),
1510 *(((uint32_t *) &nextiocb
->iocb
) + 6),
1511 *(((uint32_t *) &nextiocb
->iocb
) + 7));
1515 * Issue iocb command to adapter
1517 lpfc_sli_pcimem_bcopy(&nextiocb
->iocb
, iocb
, phba
->iocb_cmd_size
);
1519 pring
->stats
.iocb_cmd
++;
1522 * If there is no completion routine to call, we can release the
1523 * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF,
1524 * that have no rsp ring completion, iocb_cmpl MUST be NULL.
1526 if (nextiocb
->iocb_cmpl
)
1527 lpfc_sli_ringtxcmpl_put(phba
, pring
, nextiocb
);
1529 __lpfc_sli_release_iocbq(phba
, nextiocb
);
1532 * Let the HBA know what IOCB slot will be the next one the
1533 * driver will put a command into.
1535 pring
->sli
.sli3
.cmdidx
= pring
->sli
.sli3
.next_cmdidx
;
1536 writel(pring
->sli
.sli3
.cmdidx
, &phba
->host_gp
[pring
->ringno
].cmdPutInx
);
1540 * lpfc_sli_update_full_ring - Update the chip attention register
1541 * @phba: Pointer to HBA context object.
1542 * @pring: Pointer to driver SLI ring object.
1544 * The caller is not required to hold any lock for calling this function.
1545 * This function updates the chip attention bits for the ring to inform firmware
1546 * that there are pending work to be done for this ring and requests an
1547 * interrupt when there is space available in the ring. This function is
1548 * called when the driver is unable to post more iocbs to the ring due
1549 * to unavailability of space in the ring.
1552 lpfc_sli_update_full_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1554 int ringno
= pring
->ringno
;
1556 pring
->flag
|= LPFC_CALL_RING_AVAILABLE
;
1561 * Set ring 'ringno' to SET R0CE_REQ in Chip Att register.
1562 * The HBA will tell us when an IOCB entry is available.
1564 writel((CA_R0ATT
|CA_R0CE_REQ
) << (ringno
*4), phba
->CAregaddr
);
1565 readl(phba
->CAregaddr
); /* flush */
1567 pring
->stats
.iocb_cmd_full
++;
1571 * lpfc_sli_update_ring - Update chip attention register
1572 * @phba: Pointer to HBA context object.
1573 * @pring: Pointer to driver SLI ring object.
1575 * This function updates the chip attention register bit for the
1576 * given ring to inform HBA that there is more work to be done
1577 * in this ring. The caller is not required to hold any lock.
1580 lpfc_sli_update_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1582 int ringno
= pring
->ringno
;
1585 * Tell the HBA that there is work to do in this ring.
1587 if (!(phba
->sli3_options
& LPFC_SLI3_CRP_ENABLED
)) {
1589 writel(CA_R0ATT
<< (ringno
* 4), phba
->CAregaddr
);
1590 readl(phba
->CAregaddr
); /* flush */
1595 * lpfc_sli_resume_iocb - Process iocbs in the txq
1596 * @phba: Pointer to HBA context object.
1597 * @pring: Pointer to driver SLI ring object.
1599 * This function is called with hbalock held to post pending iocbs
1600 * in the txq to the firmware. This function is called when driver
1601 * detects space available in the ring.
1604 lpfc_sli_resume_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
1607 struct lpfc_iocbq
*nextiocb
;
1611 * (a) there is anything on the txq to send
1613 * (c) link attention events can be processed (fcp ring only)
1614 * (d) IOCB processing is not blocked by the outstanding mbox command.
1616 if (pring
->txq_cnt
&&
1617 lpfc_is_link_up(phba
) &&
1618 (pring
->ringno
!= phba
->sli
.fcp_ring
||
1619 phba
->sli
.sli_flag
& LPFC_PROCESS_LA
)) {
1621 while ((iocb
= lpfc_sli_next_iocb_slot(phba
, pring
)) &&
1622 (nextiocb
= lpfc_sli_ringtx_get(phba
, pring
)))
1623 lpfc_sli_submit_iocb(phba
, pring
, iocb
, nextiocb
);
1626 lpfc_sli_update_ring(phba
, pring
);
1628 lpfc_sli_update_full_ring(phba
, pring
);
1635 * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ
1636 * @phba: Pointer to HBA context object.
1637 * @hbqno: HBQ number.
1639 * This function is called with hbalock held to get the next
1640 * available slot for the given HBQ. If there is free slot
1641 * available for the HBQ it will return pointer to the next available
1642 * HBQ entry else it will return NULL.
1644 static struct lpfc_hbq_entry
*
1645 lpfc_sli_next_hbq_slot(struct lpfc_hba
*phba
, uint32_t hbqno
)
1647 struct hbq_s
*hbqp
= &phba
->hbqs
[hbqno
];
1649 if (hbqp
->next_hbqPutIdx
== hbqp
->hbqPutIdx
&&
1650 ++hbqp
->next_hbqPutIdx
>= hbqp
->entry_count
)
1651 hbqp
->next_hbqPutIdx
= 0;
1653 if (unlikely(hbqp
->local_hbqGetIdx
== hbqp
->next_hbqPutIdx
)) {
1654 uint32_t raw_index
= phba
->hbq_get
[hbqno
];
1655 uint32_t getidx
= le32_to_cpu(raw_index
);
1657 hbqp
->local_hbqGetIdx
= getidx
;
1659 if (unlikely(hbqp
->local_hbqGetIdx
>= hbqp
->entry_count
)) {
1660 lpfc_printf_log(phba
, KERN_ERR
,
1661 LOG_SLI
| LOG_VPORT
,
1662 "1802 HBQ %d: local_hbqGetIdx "
1663 "%u is > than hbqp->entry_count %u\n",
1664 hbqno
, hbqp
->local_hbqGetIdx
,
1667 phba
->link_state
= LPFC_HBA_ERROR
;
1671 if (hbqp
->local_hbqGetIdx
== hbqp
->next_hbqPutIdx
)
1675 return (struct lpfc_hbq_entry
*) phba
->hbqs
[hbqno
].hbq_virt
+
1680 * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers
1681 * @phba: Pointer to HBA context object.
1683 * This function is called with no lock held to free all the
1684 * hbq buffers while uninitializing the SLI interface. It also
1685 * frees the HBQ buffers returned by the firmware but not yet
1686 * processed by the upper layers.
1689 lpfc_sli_hbqbuf_free_all(struct lpfc_hba
*phba
)
1691 struct lpfc_dmabuf
*dmabuf
, *next_dmabuf
;
1692 struct hbq_dmabuf
*hbq_buf
;
1693 unsigned long flags
;
1697 hbq_count
= lpfc_sli_hbq_count();
1698 /* Return all memory used by all HBQs */
1699 spin_lock_irqsave(&phba
->hbalock
, flags
);
1700 for (i
= 0; i
< hbq_count
; ++i
) {
1701 list_for_each_entry_safe(dmabuf
, next_dmabuf
,
1702 &phba
->hbqs
[i
].hbq_buffer_list
, list
) {
1703 hbq_buf
= container_of(dmabuf
, struct hbq_dmabuf
, dbuf
);
1704 list_del(&hbq_buf
->dbuf
.list
);
1705 (phba
->hbqs
[i
].hbq_free_buffer
)(phba
, hbq_buf
);
1707 phba
->hbqs
[i
].buffer_count
= 0;
1709 /* Return all HBQ buffer that are in-fly */
1710 list_for_each_entry_safe(dmabuf
, next_dmabuf
, &phba
->rb_pend_list
,
1712 hbq_buf
= container_of(dmabuf
, struct hbq_dmabuf
, dbuf
);
1713 list_del(&hbq_buf
->dbuf
.list
);
1714 if (hbq_buf
->tag
== -1) {
1715 (phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
)
1718 hbqno
= hbq_buf
->tag
>> 16;
1719 if (hbqno
>= LPFC_MAX_HBQS
)
1720 (phba
->hbqs
[LPFC_ELS_HBQ
].hbq_free_buffer
)
1723 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
,
1728 /* Mark the HBQs not in use */
1729 phba
->hbq_in_use
= 0;
1730 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1734 * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware
1735 * @phba: Pointer to HBA context object.
1736 * @hbqno: HBQ number.
1737 * @hbq_buf: Pointer to HBQ buffer.
1739 * This function is called with the hbalock held to post a
1740 * hbq buffer to the firmware. If the function finds an empty
1741 * slot in the HBQ, it will post the buffer. The function will return
1742 * pointer to the hbq entry if it successfully post the buffer
1743 * else it will return NULL.
1746 lpfc_sli_hbq_to_firmware(struct lpfc_hba
*phba
, uint32_t hbqno
,
1747 struct hbq_dmabuf
*hbq_buf
)
1749 return phba
->lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buf
);
1753 * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware
1754 * @phba: Pointer to HBA context object.
1755 * @hbqno: HBQ number.
1756 * @hbq_buf: Pointer to HBQ buffer.
1758 * This function is called with the hbalock held to post a hbq buffer to the
1759 * firmware. If the function finds an empty slot in the HBQ, it will post the
1760 * buffer and place it on the hbq_buffer_list. The function will return zero if
1761 * it successfully post the buffer else it will return an error.
1764 lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba
*phba
, uint32_t hbqno
,
1765 struct hbq_dmabuf
*hbq_buf
)
1767 struct lpfc_hbq_entry
*hbqe
;
1768 dma_addr_t physaddr
= hbq_buf
->dbuf
.phys
;
1770 /* Get next HBQ entry slot to use */
1771 hbqe
= lpfc_sli_next_hbq_slot(phba
, hbqno
);
1773 struct hbq_s
*hbqp
= &phba
->hbqs
[hbqno
];
1775 hbqe
->bde
.addrHigh
= le32_to_cpu(putPaddrHigh(physaddr
));
1776 hbqe
->bde
.addrLow
= le32_to_cpu(putPaddrLow(physaddr
));
1777 hbqe
->bde
.tus
.f
.bdeSize
= hbq_buf
->size
;
1778 hbqe
->bde
.tus
.f
.bdeFlags
= 0;
1779 hbqe
->bde
.tus
.w
= le32_to_cpu(hbqe
->bde
.tus
.w
);
1780 hbqe
->buffer_tag
= le32_to_cpu(hbq_buf
->tag
);
1782 hbqp
->hbqPutIdx
= hbqp
->next_hbqPutIdx
;
1783 writel(hbqp
->hbqPutIdx
, phba
->hbq_put
+ hbqno
);
1785 readl(phba
->hbq_put
+ hbqno
);
1786 list_add_tail(&hbq_buf
->dbuf
.list
, &hbqp
->hbq_buffer_list
);
1793 * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware
1794 * @phba: Pointer to HBA context object.
1795 * @hbqno: HBQ number.
1796 * @hbq_buf: Pointer to HBQ buffer.
1798 * This function is called with the hbalock held to post an RQE to the SLI4
1799 * firmware. If able to post the RQE to the RQ it will queue the hbq entry to
1800 * the hbq_buffer_list and return zero, otherwise it will return an error.
1803 lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba
*phba
, uint32_t hbqno
,
1804 struct hbq_dmabuf
*hbq_buf
)
1807 struct lpfc_rqe hrqe
;
1808 struct lpfc_rqe drqe
;
1810 hrqe
.address_lo
= putPaddrLow(hbq_buf
->hbuf
.phys
);
1811 hrqe
.address_hi
= putPaddrHigh(hbq_buf
->hbuf
.phys
);
1812 drqe
.address_lo
= putPaddrLow(hbq_buf
->dbuf
.phys
);
1813 drqe
.address_hi
= putPaddrHigh(hbq_buf
->dbuf
.phys
);
1814 rc
= lpfc_sli4_rq_put(phba
->sli4_hba
.hdr_rq
, phba
->sli4_hba
.dat_rq
,
1819 list_add_tail(&hbq_buf
->dbuf
.list
, &phba
->hbqs
[hbqno
].hbq_buffer_list
);
1823 /* HBQ for ELS and CT traffic. */
1824 static struct lpfc_hbq_init lpfc_els_hbq
= {
1829 .ring_mask
= (1 << LPFC_ELS_RING
),
1835 /* HBQ for the extra ring if needed */
1836 static struct lpfc_hbq_init lpfc_extra_hbq
= {
1841 .ring_mask
= (1 << LPFC_EXTRA_RING
),
1848 struct lpfc_hbq_init
*lpfc_hbq_defs
[] = {
1854 * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ
1855 * @phba: Pointer to HBA context object.
1856 * @hbqno: HBQ number.
1857 * @count: Number of HBQ buffers to be posted.
1859 * This function is called with no lock held to post more hbq buffers to the
1860 * given HBQ. The function returns the number of HBQ buffers successfully
1864 lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba
*phba
, uint32_t hbqno
, uint32_t count
)
1866 uint32_t i
, posted
= 0;
1867 unsigned long flags
;
1868 struct hbq_dmabuf
*hbq_buffer
;
1869 LIST_HEAD(hbq_buf_list
);
1870 if (!phba
->hbqs
[hbqno
].hbq_alloc_buffer
)
1873 if ((phba
->hbqs
[hbqno
].buffer_count
+ count
) >
1874 lpfc_hbq_defs
[hbqno
]->entry_count
)
1875 count
= lpfc_hbq_defs
[hbqno
]->entry_count
-
1876 phba
->hbqs
[hbqno
].buffer_count
;
1879 /* Allocate HBQ entries */
1880 for (i
= 0; i
< count
; i
++) {
1881 hbq_buffer
= (phba
->hbqs
[hbqno
].hbq_alloc_buffer
)(phba
);
1884 list_add_tail(&hbq_buffer
->dbuf
.list
, &hbq_buf_list
);
1886 /* Check whether HBQ is still in use */
1887 spin_lock_irqsave(&phba
->hbalock
, flags
);
1888 if (!phba
->hbq_in_use
)
1890 while (!list_empty(&hbq_buf_list
)) {
1891 list_remove_head(&hbq_buf_list
, hbq_buffer
, struct hbq_dmabuf
,
1893 hbq_buffer
->tag
= (phba
->hbqs
[hbqno
].buffer_count
|
1895 if (!lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buffer
)) {
1896 phba
->hbqs
[hbqno
].buffer_count
++;
1899 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
1901 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1904 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
1905 while (!list_empty(&hbq_buf_list
)) {
1906 list_remove_head(&hbq_buf_list
, hbq_buffer
, struct hbq_dmabuf
,
1908 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
1914 * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware
1915 * @phba: Pointer to HBA context object.
1918 * This function posts more buffers to the HBQ. This function
1919 * is called with no lock held. The function returns the number of HBQ entries
1920 * successfully allocated.
1923 lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba
*phba
, uint32_t qno
)
1925 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1928 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
1929 lpfc_hbq_defs
[qno
]->add_count
);
1933 * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ
1934 * @phba: Pointer to HBA context object.
1935 * @qno: HBQ queue number.
1937 * This function is called from SLI initialization code path with
1938 * no lock held to post initial HBQ buffers to firmware. The
1939 * function returns the number of HBQ entries successfully allocated.
1942 lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba
*phba
, uint32_t qno
)
1944 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1945 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
1946 lpfc_hbq_defs
[qno
]->entry_count
);
1948 return lpfc_sli_hbqbuf_fill_hbqs(phba
, qno
,
1949 lpfc_hbq_defs
[qno
]->init_count
);
1953 * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list
1954 * @phba: Pointer to HBA context object.
1955 * @hbqno: HBQ number.
1957 * This function removes the first hbq buffer on an hbq list and returns a
1958 * pointer to that buffer. If it finds no buffers on the list it returns NULL.
1960 static struct hbq_dmabuf
*
1961 lpfc_sli_hbqbuf_get(struct list_head
*rb_list
)
1963 struct lpfc_dmabuf
*d_buf
;
1965 list_remove_head(rb_list
, d_buf
, struct lpfc_dmabuf
, list
);
1968 return container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
1972 * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag
1973 * @phba: Pointer to HBA context object.
1974 * @tag: Tag of the hbq buffer.
1976 * This function is called with hbalock held. This function searches
1977 * for the hbq buffer associated with the given tag in the hbq buffer
1978 * list. If it finds the hbq buffer, it returns the hbq_buffer other wise
1981 static struct hbq_dmabuf
*
1982 lpfc_sli_hbqbuf_find(struct lpfc_hba
*phba
, uint32_t tag
)
1984 struct lpfc_dmabuf
*d_buf
;
1985 struct hbq_dmabuf
*hbq_buf
;
1989 if (hbqno
>= LPFC_MAX_HBQS
)
1992 spin_lock_irq(&phba
->hbalock
);
1993 list_for_each_entry(d_buf
, &phba
->hbqs
[hbqno
].hbq_buffer_list
, list
) {
1994 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
1995 if (hbq_buf
->tag
== tag
) {
1996 spin_unlock_irq(&phba
->hbalock
);
2000 spin_unlock_irq(&phba
->hbalock
);
2001 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
| LOG_VPORT
,
2002 "1803 Bad hbq tag. Data: x%x x%x\n",
2003 tag
, phba
->hbqs
[tag
>> 16].buffer_count
);
2008 * lpfc_sli_free_hbq - Give back the hbq buffer to firmware
2009 * @phba: Pointer to HBA context object.
2010 * @hbq_buffer: Pointer to HBQ buffer.
2012 * This function is called with hbalock. This function gives back
2013 * the hbq buffer to firmware. If the HBQ does not have space to
2014 * post the buffer, it will free the buffer.
2017 lpfc_sli_free_hbq(struct lpfc_hba
*phba
, struct hbq_dmabuf
*hbq_buffer
)
2022 hbqno
= hbq_buffer
->tag
>> 16;
2023 if (lpfc_sli_hbq_to_firmware(phba
, hbqno
, hbq_buffer
))
2024 (phba
->hbqs
[hbqno
].hbq_free_buffer
)(phba
, hbq_buffer
);
2029 * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox
2030 * @mbxCommand: mailbox command code.
2032 * This function is called by the mailbox event handler function to verify
2033 * that the completed mailbox command is a legitimate mailbox command. If the
2034 * completed mailbox is not known to the function, it will return MBX_SHUTDOWN
2035 * and the mailbox event handler will take the HBA offline.
2038 lpfc_sli_chk_mbx_command(uint8_t mbxCommand
)
2042 switch (mbxCommand
) {
2046 case MBX_WRITE_VPARMS
:
2047 case MBX_RUN_BIU_DIAG
:
2050 case MBX_CONFIG_LINK
:
2051 case MBX_CONFIG_RING
:
2052 case MBX_RESET_RING
:
2053 case MBX_READ_CONFIG
:
2054 case MBX_READ_RCONFIG
:
2055 case MBX_READ_SPARM
:
2056 case MBX_READ_STATUS
:
2060 case MBX_READ_LNK_STAT
:
2062 case MBX_UNREG_LOGIN
:
2064 case MBX_DUMP_MEMORY
:
2065 case MBX_DUMP_CONTEXT
:
2068 case MBX_UPDATE_CFG
:
2070 case MBX_DEL_LD_ENTRY
:
2071 case MBX_RUN_PROGRAM
:
2073 case MBX_SET_VARIABLE
:
2074 case MBX_UNREG_D_ID
:
2075 case MBX_KILL_BOARD
:
2076 case MBX_CONFIG_FARP
:
2079 case MBX_RUN_BIU_DIAG64
:
2080 case MBX_CONFIG_PORT
:
2081 case MBX_READ_SPARM64
:
2082 case MBX_READ_RPI64
:
2083 case MBX_REG_LOGIN64
:
2084 case MBX_READ_TOPOLOGY
:
2087 case MBX_LOAD_EXP_ROM
:
2088 case MBX_ASYNCEVT_ENABLE
:
2092 case MBX_PORT_CAPABILITIES
:
2093 case MBX_PORT_IOV_CONTROL
:
2094 case MBX_SLI4_CONFIG
:
2095 case MBX_SLI4_REQ_FTRS
:
2097 case MBX_UNREG_FCFI
:
2102 case MBX_RESUME_RPI
:
2103 case MBX_READ_EVENT_LOG_STATUS
:
2104 case MBX_READ_EVENT_LOG
:
2105 case MBX_SECURITY_MGMT
:
2107 case MBX_ACCESS_VDATA
:
2118 * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler
2119 * @phba: Pointer to HBA context object.
2120 * @pmboxq: Pointer to mailbox command.
2122 * This is completion handler function for mailbox commands issued from
2123 * lpfc_sli_issue_mbox_wait function. This function is called by the
2124 * mailbox event handler function with no lock held. This function
2125 * will wake up thread waiting on the wait queue pointed by context1
2129 lpfc_sli_wake_mbox_wait(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
)
2131 wait_queue_head_t
*pdone_q
;
2132 unsigned long drvr_flag
;
2135 * If pdone_q is empty, the driver thread gave up waiting and
2136 * continued running.
2138 pmboxq
->mbox_flag
|= LPFC_MBX_WAKE
;
2139 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
2140 pdone_q
= (wait_queue_head_t
*) pmboxq
->context1
;
2142 wake_up_interruptible(pdone_q
);
2143 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
2149 * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler
2150 * @phba: Pointer to HBA context object.
2151 * @pmb: Pointer to mailbox object.
2153 * This function is the default mailbox completion handler. It
2154 * frees the memory resources associated with the completed mailbox
2155 * command. If the completed command is a REG_LOGIN mailbox command,
2156 * this function will issue a UREG_LOGIN to re-claim the RPI.
2159 lpfc_sli_def_mbox_cmpl(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmb
)
2161 struct lpfc_vport
*vport
= pmb
->vport
;
2162 struct lpfc_dmabuf
*mp
;
2163 struct lpfc_nodelist
*ndlp
;
2164 struct Scsi_Host
*shost
;
2168 mp
= (struct lpfc_dmabuf
*) (pmb
->context1
);
2171 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
2176 * If a REG_LOGIN succeeded after node is destroyed or node
2177 * is in re-discovery driver need to cleanup the RPI.
2179 if (!(phba
->pport
->load_flag
& FC_UNLOADING
) &&
2180 pmb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
&&
2181 !pmb
->u
.mb
.mbxStatus
) {
2182 rpi
= pmb
->u
.mb
.un
.varWords
[0];
2183 vpi
= pmb
->u
.mb
.un
.varRegLogin
.vpi
;
2184 lpfc_unreg_login(phba
, vpi
, rpi
, pmb
);
2185 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
2186 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
2187 if (rc
!= MBX_NOT_FINISHED
)
2191 if ((pmb
->u
.mb
.mbxCommand
== MBX_REG_VPI
) &&
2192 !(phba
->pport
->load_flag
& FC_UNLOADING
) &&
2193 !pmb
->u
.mb
.mbxStatus
) {
2194 shost
= lpfc_shost_from_vport(vport
);
2195 spin_lock_irq(shost
->host_lock
);
2196 vport
->vpi_state
|= LPFC_VPI_REGISTERED
;
2197 vport
->fc_flag
&= ~FC_VPORT_NEEDS_REG_VPI
;
2198 spin_unlock_irq(shost
->host_lock
);
2201 if (pmb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
2202 ndlp
= (struct lpfc_nodelist
*)pmb
->context2
;
2204 pmb
->context2
= NULL
;
2207 /* Check security permission status on INIT_LINK mailbox command */
2208 if ((pmb
->u
.mb
.mbxCommand
== MBX_INIT_LINK
) &&
2209 (pmb
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
2210 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
2211 "2860 SLI authentication is required "
2212 "for INIT_LINK but has not done yet\n");
2214 if (bf_get(lpfc_mqe_command
, &pmb
->u
.mqe
) == MBX_SLI4_CONFIG
)
2215 lpfc_sli4_mbox_cmd_free(phba
, pmb
);
2217 mempool_free(pmb
, phba
->mbox_mem_pool
);
2221 * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware
2222 * @phba: Pointer to HBA context object.
2224 * This function is called with no lock held. This function processes all
2225 * the completed mailbox commands and gives it to upper layers. The interrupt
2226 * service routine processes mailbox completion interrupt and adds completed
2227 * mailbox commands to the mboxq_cmpl queue and signals the worker thread.
2228 * Worker thread call lpfc_sli_handle_mb_event, which will return the
2229 * completed mailbox commands in mboxq_cmpl queue to the upper layers. This
2230 * function returns the mailbox commands to the upper layer by calling the
2231 * completion handler function of each mailbox.
2234 lpfc_sli_handle_mb_event(struct lpfc_hba
*phba
)
2241 phba
->sli
.slistat
.mbox_event
++;
2243 /* Get all completed mailboxe buffers into the cmplq */
2244 spin_lock_irq(&phba
->hbalock
);
2245 list_splice_init(&phba
->sli
.mboxq_cmpl
, &cmplq
);
2246 spin_unlock_irq(&phba
->hbalock
);
2248 /* Get a Mailbox buffer to setup mailbox commands for callback */
2250 list_remove_head(&cmplq
, pmb
, LPFC_MBOXQ_t
, list
);
2256 if (pmbox
->mbxCommand
!= MBX_HEARTBEAT
) {
2258 lpfc_debugfs_disc_trc(pmb
->vport
,
2259 LPFC_DISC_TRC_MBOX_VPORT
,
2260 "MBOX cmpl vport: cmd:x%x mb:x%x x%x",
2261 (uint32_t)pmbox
->mbxCommand
,
2262 pmbox
->un
.varWords
[0],
2263 pmbox
->un
.varWords
[1]);
2266 lpfc_debugfs_disc_trc(phba
->pport
,
2268 "MBOX cmpl: cmd:x%x mb:x%x x%x",
2269 (uint32_t)pmbox
->mbxCommand
,
2270 pmbox
->un
.varWords
[0],
2271 pmbox
->un
.varWords
[1]);
2276 * It is a fatal error if unknown mbox command completion.
2278 if (lpfc_sli_chk_mbx_command(pmbox
->mbxCommand
) ==
2280 /* Unknown mailbox command compl */
2281 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
2282 "(%d):0323 Unknown Mailbox command "
2283 "x%x (x%x/x%x) Cmpl\n",
2284 pmb
->vport
? pmb
->vport
->vpi
: 0,
2286 lpfc_sli_config_mbox_subsys_get(phba
,
2288 lpfc_sli_config_mbox_opcode_get(phba
,
2290 phba
->link_state
= LPFC_HBA_ERROR
;
2291 phba
->work_hs
= HS_FFER3
;
2292 lpfc_handle_eratt(phba
);
2296 if (pmbox
->mbxStatus
) {
2297 phba
->sli
.slistat
.mbox_stat_err
++;
2298 if (pmbox
->mbxStatus
== MBXERR_NO_RESOURCES
) {
2299 /* Mbox cmd cmpl error - RETRYing */
2300 lpfc_printf_log(phba
, KERN_INFO
,
2302 "(%d):0305 Mbox cmd cmpl "
2303 "error - RETRYing Data: x%x "
2304 "(x%x/x%x) x%x x%x x%x\n",
2305 pmb
->vport
? pmb
->vport
->vpi
: 0,
2307 lpfc_sli_config_mbox_subsys_get(phba
,
2309 lpfc_sli_config_mbox_opcode_get(phba
,
2312 pmbox
->un
.varWords
[0],
2313 pmb
->vport
->port_state
);
2314 pmbox
->mbxStatus
= 0;
2315 pmbox
->mbxOwner
= OWN_HOST
;
2316 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
2317 if (rc
!= MBX_NOT_FINISHED
)
2322 /* Mailbox cmd <cmd> Cmpl <cmpl> */
2323 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
2324 "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p "
2325 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x\n",
2326 pmb
->vport
? pmb
->vport
->vpi
: 0,
2328 lpfc_sli_config_mbox_subsys_get(phba
, pmb
),
2329 lpfc_sli_config_mbox_opcode_get(phba
, pmb
),
2331 *((uint32_t *) pmbox
),
2332 pmbox
->un
.varWords
[0],
2333 pmbox
->un
.varWords
[1],
2334 pmbox
->un
.varWords
[2],
2335 pmbox
->un
.varWords
[3],
2336 pmbox
->un
.varWords
[4],
2337 pmbox
->un
.varWords
[5],
2338 pmbox
->un
.varWords
[6],
2339 pmbox
->un
.varWords
[7]);
2342 pmb
->mbox_cmpl(phba
,pmb
);
2348 * lpfc_sli_get_buff - Get the buffer associated with the buffer tag
2349 * @phba: Pointer to HBA context object.
2350 * @pring: Pointer to driver SLI ring object.
2353 * This function is called with no lock held. When QUE_BUFTAG_BIT bit
2354 * is set in the tag the buffer is posted for a particular exchange,
2355 * the function will return the buffer without replacing the buffer.
2356 * If the buffer is for unsolicited ELS or CT traffic, this function
2357 * returns the buffer and also posts another buffer to the firmware.
2359 static struct lpfc_dmabuf
*
2360 lpfc_sli_get_buff(struct lpfc_hba
*phba
,
2361 struct lpfc_sli_ring
*pring
,
2364 struct hbq_dmabuf
*hbq_entry
;
2366 if (tag
& QUE_BUFTAG_BIT
)
2367 return lpfc_sli_ring_taggedbuf_get(phba
, pring
, tag
);
2368 hbq_entry
= lpfc_sli_hbqbuf_find(phba
, tag
);
2371 return &hbq_entry
->dbuf
;
2375 * lpfc_complete_unsol_iocb - Complete an unsolicited sequence
2376 * @phba: Pointer to HBA context object.
2377 * @pring: Pointer to driver SLI ring object.
2378 * @saveq: Pointer to the iocbq struct representing the sequence starting frame.
2379 * @fch_r_ctl: the r_ctl for the first frame of the sequence.
2380 * @fch_type: the type for the first frame of the sequence.
2382 * This function is called with no lock held. This function uses the r_ctl and
2383 * type of the received sequence to find the correct callback function to call
2384 * to process the sequence.
2387 lpfc_complete_unsol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2388 struct lpfc_iocbq
*saveq
, uint32_t fch_r_ctl
,
2393 /* unSolicited Responses */
2394 if (pring
->prt
[0].profile
) {
2395 if (pring
->prt
[0].lpfc_sli_rcv_unsol_event
)
2396 (pring
->prt
[0].lpfc_sli_rcv_unsol_event
) (phba
, pring
,
2400 /* We must search, based on rctl / type
2401 for the right routine */
2402 for (i
= 0; i
< pring
->num_mask
; i
++) {
2403 if ((pring
->prt
[i
].rctl
== fch_r_ctl
) &&
2404 (pring
->prt
[i
].type
== fch_type
)) {
2405 if (pring
->prt
[i
].lpfc_sli_rcv_unsol_event
)
2406 (pring
->prt
[i
].lpfc_sli_rcv_unsol_event
)
2407 (phba
, pring
, saveq
);
2415 * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler
2416 * @phba: Pointer to HBA context object.
2417 * @pring: Pointer to driver SLI ring object.
2418 * @saveq: Pointer to the unsolicited iocb.
2420 * This function is called with no lock held by the ring event handler
2421 * when there is an unsolicited iocb posted to the response ring by the
2422 * firmware. This function gets the buffer associated with the iocbs
2423 * and calls the event handler for the ring. This function handles both
2424 * qring buffers and hbq buffers.
2425 * When the function returns 1 the caller can free the iocb object otherwise
2426 * upper layer functions will free the iocb objects.
2429 lpfc_sli_process_unsol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2430 struct lpfc_iocbq
*saveq
)
2434 uint32_t Rctl
, Type
;
2436 struct lpfc_iocbq
*iocbq
;
2437 struct lpfc_dmabuf
*dmzbuf
;
2440 irsp
= &(saveq
->iocb
);
2442 if (irsp
->ulpCommand
== CMD_ASYNC_STATUS
) {
2443 if (pring
->lpfc_sli_rcv_async_status
)
2444 pring
->lpfc_sli_rcv_async_status(phba
, pring
, saveq
);
2446 lpfc_printf_log(phba
,
2449 "0316 Ring %d handler: unexpected "
2450 "ASYNC_STATUS iocb received evt_code "
2453 irsp
->un
.asyncstat
.evt_code
);
2457 if ((irsp
->ulpCommand
== CMD_IOCB_RET_XRI64_CX
) &&
2458 (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
)) {
2459 if (irsp
->ulpBdeCount
> 0) {
2460 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2461 irsp
->un
.ulpWord
[3]);
2462 lpfc_in_buf_free(phba
, dmzbuf
);
2465 if (irsp
->ulpBdeCount
> 1) {
2466 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2467 irsp
->unsli3
.sli3Words
[3]);
2468 lpfc_in_buf_free(phba
, dmzbuf
);
2471 if (irsp
->ulpBdeCount
> 2) {
2472 dmzbuf
= lpfc_sli_get_buff(phba
, pring
,
2473 irsp
->unsli3
.sli3Words
[7]);
2474 lpfc_in_buf_free(phba
, dmzbuf
);
2480 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
) {
2481 if (irsp
->ulpBdeCount
!= 0) {
2482 saveq
->context2
= lpfc_sli_get_buff(phba
, pring
,
2483 irsp
->un
.ulpWord
[3]);
2484 if (!saveq
->context2
)
2485 lpfc_printf_log(phba
,
2488 "0341 Ring %d Cannot find buffer for "
2489 "an unsolicited iocb. tag 0x%x\n",
2491 irsp
->un
.ulpWord
[3]);
2493 if (irsp
->ulpBdeCount
== 2) {
2494 saveq
->context3
= lpfc_sli_get_buff(phba
, pring
,
2495 irsp
->unsli3
.sli3Words
[7]);
2496 if (!saveq
->context3
)
2497 lpfc_printf_log(phba
,
2500 "0342 Ring %d Cannot find buffer for an"
2501 " unsolicited iocb. tag 0x%x\n",
2503 irsp
->unsli3
.sli3Words
[7]);
2505 list_for_each_entry(iocbq
, &saveq
->list
, list
) {
2506 irsp
= &(iocbq
->iocb
);
2507 if (irsp
->ulpBdeCount
!= 0) {
2508 iocbq
->context2
= lpfc_sli_get_buff(phba
, pring
,
2509 irsp
->un
.ulpWord
[3]);
2510 if (!iocbq
->context2
)
2511 lpfc_printf_log(phba
,
2514 "0343 Ring %d Cannot find "
2515 "buffer for an unsolicited iocb"
2516 ". tag 0x%x\n", pring
->ringno
,
2517 irsp
->un
.ulpWord
[3]);
2519 if (irsp
->ulpBdeCount
== 2) {
2520 iocbq
->context3
= lpfc_sli_get_buff(phba
, pring
,
2521 irsp
->unsli3
.sli3Words
[7]);
2522 if (!iocbq
->context3
)
2523 lpfc_printf_log(phba
,
2526 "0344 Ring %d Cannot find "
2527 "buffer for an unsolicited "
2530 irsp
->unsli3
.sli3Words
[7]);
2534 if (irsp
->ulpBdeCount
!= 0 &&
2535 (irsp
->ulpCommand
== CMD_IOCB_RCV_CONT64_CX
||
2536 irsp
->ulpStatus
== IOSTAT_INTERMED_RSP
)) {
2539 /* search continue save q for same XRI */
2540 list_for_each_entry(iocbq
, &pring
->iocb_continue_saveq
, clist
) {
2541 if (iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
==
2542 saveq
->iocb
.unsli3
.rcvsli3
.ox_id
) {
2543 list_add_tail(&saveq
->list
, &iocbq
->list
);
2549 list_add_tail(&saveq
->clist
,
2550 &pring
->iocb_continue_saveq
);
2551 if (saveq
->iocb
.ulpStatus
!= IOSTAT_INTERMED_RSP
) {
2552 list_del_init(&iocbq
->clist
);
2554 irsp
= &(saveq
->iocb
);
2558 if ((irsp
->ulpCommand
== CMD_RCV_ELS_REQ64_CX
) ||
2559 (irsp
->ulpCommand
== CMD_RCV_ELS_REQ_CX
) ||
2560 (irsp
->ulpCommand
== CMD_IOCB_RCV_ELS64_CX
)) {
2561 Rctl
= FC_RCTL_ELS_REQ
;
2564 w5p
= (WORD5
*)&(saveq
->iocb
.un
.ulpWord
[5]);
2565 Rctl
= w5p
->hcsw
.Rctl
;
2566 Type
= w5p
->hcsw
.Type
;
2568 /* Firmware Workaround */
2569 if ((Rctl
== 0) && (pring
->ringno
== LPFC_ELS_RING
) &&
2570 (irsp
->ulpCommand
== CMD_RCV_SEQUENCE64_CX
||
2571 irsp
->ulpCommand
== CMD_IOCB_RCV_SEQ64_CX
)) {
2572 Rctl
= FC_RCTL_ELS_REQ
;
2574 w5p
->hcsw
.Rctl
= Rctl
;
2575 w5p
->hcsw
.Type
= Type
;
2579 if (!lpfc_complete_unsol_iocb(phba
, pring
, saveq
, Rctl
, Type
))
2580 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2581 "0313 Ring %d handler: unexpected Rctl x%x "
2582 "Type x%x received\n",
2583 pring
->ringno
, Rctl
, Type
);
2589 * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb
2590 * @phba: Pointer to HBA context object.
2591 * @pring: Pointer to driver SLI ring object.
2592 * @prspiocb: Pointer to response iocb object.
2594 * This function looks up the iocb_lookup table to get the command iocb
2595 * corresponding to the given response iocb using the iotag of the
2596 * response iocb. This function is called with the hbalock held.
2597 * This function returns the command iocb object if it finds the command
2598 * iocb else returns NULL.
2600 static struct lpfc_iocbq
*
2601 lpfc_sli_iocbq_lookup(struct lpfc_hba
*phba
,
2602 struct lpfc_sli_ring
*pring
,
2603 struct lpfc_iocbq
*prspiocb
)
2605 struct lpfc_iocbq
*cmd_iocb
= NULL
;
2608 iotag
= prspiocb
->iocb
.ulpIoTag
;
2610 if (iotag
!= 0 && iotag
<= phba
->sli
.last_iotag
) {
2611 cmd_iocb
= phba
->sli
.iocbq_lookup
[iotag
];
2612 list_del_init(&cmd_iocb
->list
);
2613 if (cmd_iocb
->iocb_flag
& LPFC_IO_ON_TXCMPLQ
) {
2614 pring
->txcmplq_cnt
--;
2615 cmd_iocb
->iocb_flag
&= ~LPFC_IO_ON_TXCMPLQ
;
2620 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2621 "0317 iotag x%x is out off "
2622 "range: max iotag x%x wd0 x%x\n",
2623 iotag
, phba
->sli
.last_iotag
,
2624 *(((uint32_t *) &prspiocb
->iocb
) + 7));
2629 * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag
2630 * @phba: Pointer to HBA context object.
2631 * @pring: Pointer to driver SLI ring object.
2634 * This function looks up the iocb_lookup table to get the command iocb
2635 * corresponding to the given iotag. This function is called with the
2637 * This function returns the command iocb object if it finds the command
2638 * iocb else returns NULL.
2640 static struct lpfc_iocbq
*
2641 lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba
*phba
,
2642 struct lpfc_sli_ring
*pring
, uint16_t iotag
)
2644 struct lpfc_iocbq
*cmd_iocb
;
2646 if (iotag
!= 0 && iotag
<= phba
->sli
.last_iotag
) {
2647 cmd_iocb
= phba
->sli
.iocbq_lookup
[iotag
];
2648 if (cmd_iocb
->iocb_flag
& LPFC_IO_ON_TXCMPLQ
) {
2649 /* remove from txcmpl queue list */
2650 list_del_init(&cmd_iocb
->list
);
2651 cmd_iocb
->iocb_flag
&= ~LPFC_IO_ON_TXCMPLQ
;
2652 pring
->txcmplq_cnt
--;
2656 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2657 "0372 iotag x%x is out off range: max iotag (x%x)\n",
2658 iotag
, phba
->sli
.last_iotag
);
2663 * lpfc_sli_process_sol_iocb - process solicited iocb completion
2664 * @phba: Pointer to HBA context object.
2665 * @pring: Pointer to driver SLI ring object.
2666 * @saveq: Pointer to the response iocb to be processed.
2668 * This function is called by the ring event handler for non-fcp
2669 * rings when there is a new response iocb in the response ring.
2670 * The caller is not required to hold any locks. This function
2671 * gets the command iocb associated with the response iocb and
2672 * calls the completion handler for the command iocb. If there
2673 * is no completion handler, the function will free the resources
2674 * associated with command iocb. If the response iocb is for
2675 * an already aborted command iocb, the status of the completion
2676 * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED.
2677 * This function always returns 1.
2680 lpfc_sli_process_sol_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
2681 struct lpfc_iocbq
*saveq
)
2683 struct lpfc_iocbq
*cmdiocbp
;
2685 unsigned long iflag
;
2687 /* Based on the iotag field, get the cmd IOCB from the txcmplq */
2688 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2689 cmdiocbp
= lpfc_sli_iocbq_lookup(phba
, pring
, saveq
);
2690 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2693 if (cmdiocbp
->iocb_cmpl
) {
2695 * If an ELS command failed send an event to mgmt
2698 if (saveq
->iocb
.ulpStatus
&&
2699 (pring
->ringno
== LPFC_ELS_RING
) &&
2700 (cmdiocbp
->iocb
.ulpCommand
==
2701 CMD_ELS_REQUEST64_CR
))
2702 lpfc_send_els_failure_event(phba
,
2706 * Post all ELS completions to the worker thread.
2707 * All other are passed to the completion callback.
2709 if (pring
->ringno
== LPFC_ELS_RING
) {
2710 if ((phba
->sli_rev
< LPFC_SLI_REV4
) &&
2711 (cmdiocbp
->iocb_flag
&
2712 LPFC_DRIVER_ABORTED
)) {
2713 spin_lock_irqsave(&phba
->hbalock
,
2715 cmdiocbp
->iocb_flag
&=
2716 ~LPFC_DRIVER_ABORTED
;
2717 spin_unlock_irqrestore(&phba
->hbalock
,
2719 saveq
->iocb
.ulpStatus
=
2720 IOSTAT_LOCAL_REJECT
;
2721 saveq
->iocb
.un
.ulpWord
[4] =
2724 /* Firmware could still be in progress
2725 * of DMAing payload, so don't free data
2726 * buffer till after a hbeat.
2728 spin_lock_irqsave(&phba
->hbalock
,
2730 saveq
->iocb_flag
|= LPFC_DELAY_MEM_FREE
;
2731 spin_unlock_irqrestore(&phba
->hbalock
,
2734 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
2735 if (saveq
->iocb_flag
&
2736 LPFC_EXCHANGE_BUSY
) {
2737 /* Set cmdiocb flag for the
2738 * exchange busy so sgl (xri)
2739 * will not be released until
2740 * the abort xri is received
2744 &phba
->hbalock
, iflag
);
2745 cmdiocbp
->iocb_flag
|=
2747 spin_unlock_irqrestore(
2748 &phba
->hbalock
, iflag
);
2750 if (cmdiocbp
->iocb_flag
&
2751 LPFC_DRIVER_ABORTED
) {
2753 * Clear LPFC_DRIVER_ABORTED
2754 * bit in case it was driver
2758 &phba
->hbalock
, iflag
);
2759 cmdiocbp
->iocb_flag
&=
2760 ~LPFC_DRIVER_ABORTED
;
2761 spin_unlock_irqrestore(
2762 &phba
->hbalock
, iflag
);
2763 cmdiocbp
->iocb
.ulpStatus
=
2764 IOSTAT_LOCAL_REJECT
;
2765 cmdiocbp
->iocb
.un
.ulpWord
[4] =
2766 IOERR_ABORT_REQUESTED
;
2768 * For SLI4, irsiocb contains
2769 * NO_XRI in sli_xritag, it
2770 * shall not affect releasing
2771 * sgl (xri) process.
2773 saveq
->iocb
.ulpStatus
=
2774 IOSTAT_LOCAL_REJECT
;
2775 saveq
->iocb
.un
.ulpWord
[4] =
2778 &phba
->hbalock
, iflag
);
2780 LPFC_DELAY_MEM_FREE
;
2781 spin_unlock_irqrestore(
2782 &phba
->hbalock
, iflag
);
2786 (cmdiocbp
->iocb_cmpl
) (phba
, cmdiocbp
, saveq
);
2788 lpfc_sli_release_iocbq(phba
, cmdiocbp
);
2791 * Unknown initiating command based on the response iotag.
2792 * This could be the case on the ELS ring because of
2795 if (pring
->ringno
!= LPFC_ELS_RING
) {
2797 * Ring <ringno> handler: unexpected completion IoTag
2800 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2801 "0322 Ring %d handler: "
2802 "unexpected completion IoTag x%x "
2803 "Data: x%x x%x x%x x%x\n",
2805 saveq
->iocb
.ulpIoTag
,
2806 saveq
->iocb
.ulpStatus
,
2807 saveq
->iocb
.un
.ulpWord
[4],
2808 saveq
->iocb
.ulpCommand
,
2809 saveq
->iocb
.ulpContext
);
2817 * lpfc_sli_rsp_pointers_error - Response ring pointer error handler
2818 * @phba: Pointer to HBA context object.
2819 * @pring: Pointer to driver SLI ring object.
2821 * This function is called from the iocb ring event handlers when
2822 * put pointer is ahead of the get pointer for a ring. This function signal
2823 * an error attention condition to the worker thread and the worker
2824 * thread will transition the HBA to offline state.
2827 lpfc_sli_rsp_pointers_error(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
2829 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
2831 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
2832 * rsp ring <portRspMax>
2834 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
2835 "0312 Ring %d handler: portRspPut %d "
2836 "is bigger than rsp ring %d\n",
2837 pring
->ringno
, le32_to_cpu(pgp
->rspPutInx
),
2838 pring
->sli
.sli3
.numRiocb
);
2840 phba
->link_state
= LPFC_HBA_ERROR
;
2843 * All error attention handlers are posted to
2846 phba
->work_ha
|= HA_ERATT
;
2847 phba
->work_hs
= HS_FFER3
;
2849 lpfc_worker_wake_up(phba
);
2855 * lpfc_poll_eratt - Error attention polling timer timeout handler
2856 * @ptr: Pointer to address of HBA context object.
2858 * This function is invoked by the Error Attention polling timer when the
2859 * timer times out. It will check the SLI Error Attention register for
2860 * possible attention events. If so, it will post an Error Attention event
2861 * and wake up worker thread to process it. Otherwise, it will set up the
2862 * Error Attention polling timer for the next poll.
2864 void lpfc_poll_eratt(unsigned long ptr
)
2866 struct lpfc_hba
*phba
;
2867 uint32_t eratt
= 0, rem
;
2868 uint64_t sli_intr
, cnt
;
2870 phba
= (struct lpfc_hba
*)ptr
;
2872 /* Here we will also keep track of interrupts per sec of the hba */
2873 sli_intr
= phba
->sli
.slistat
.sli_intr
;
2875 if (phba
->sli
.slistat
.sli_prev_intr
> sli_intr
)
2876 cnt
= (((uint64_t)(-1) - phba
->sli
.slistat
.sli_prev_intr
) +
2879 cnt
= (sli_intr
- phba
->sli
.slistat
.sli_prev_intr
);
2881 /* 64-bit integer division not supporte on 32-bit x86 - use do_div */
2882 rem
= do_div(cnt
, LPFC_ERATT_POLL_INTERVAL
);
2883 phba
->sli
.slistat
.sli_ips
= cnt
;
2885 phba
->sli
.slistat
.sli_prev_intr
= sli_intr
;
2887 /* Check chip HA register for error event */
2888 eratt
= lpfc_sli_check_eratt(phba
);
2891 /* Tell the worker thread there is work to do */
2892 lpfc_worker_wake_up(phba
);
2894 /* Restart the timer for next eratt poll */
2895 mod_timer(&phba
->eratt_poll
, jiffies
+
2896 HZ
* LPFC_ERATT_POLL_INTERVAL
);
2902 * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring
2903 * @phba: Pointer to HBA context object.
2904 * @pring: Pointer to driver SLI ring object.
2905 * @mask: Host attention register mask for this ring.
2907 * This function is called from the interrupt context when there is a ring
2908 * event for the fcp ring. The caller does not hold any lock.
2909 * The function processes each response iocb in the response ring until it
2910 * finds an iocb with LE bit set and chains all the iocbs up to the iocb with
2911 * LE bit set. The function will call the completion handler of the command iocb
2912 * if the response iocb indicates a completion for a command iocb or it is
2913 * an abort completion. The function will call lpfc_sli_process_unsol_iocb
2914 * function if this is an unsolicited iocb.
2915 * This routine presumes LPFC_FCP_RING handling and doesn't bother
2916 * to check it explicitly.
2919 lpfc_sli_handle_fast_ring_event(struct lpfc_hba
*phba
,
2920 struct lpfc_sli_ring
*pring
, uint32_t mask
)
2922 struct lpfc_pgp
*pgp
= &phba
->port_gp
[pring
->ringno
];
2923 IOCB_t
*irsp
= NULL
;
2924 IOCB_t
*entry
= NULL
;
2925 struct lpfc_iocbq
*cmdiocbq
= NULL
;
2926 struct lpfc_iocbq rspiocbq
;
2928 uint32_t portRspPut
, portRspMax
;
2930 lpfc_iocb_type type
;
2931 unsigned long iflag
;
2932 uint32_t rsp_cmpl
= 0;
2934 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2935 pring
->stats
.iocb_event
++;
2938 * The next available response entry should never exceed the maximum
2939 * entries. If it does, treat it as an adapter hardware error.
2941 portRspMax
= pring
->sli
.sli3
.numRiocb
;
2942 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
2943 if (unlikely(portRspPut
>= portRspMax
)) {
2944 lpfc_sli_rsp_pointers_error(phba
, pring
);
2945 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2948 if (phba
->fcp_ring_in_use
) {
2949 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2952 phba
->fcp_ring_in_use
= 1;
2955 while (pring
->sli
.sli3
.rspidx
!= portRspPut
) {
2957 * Fetch an entry off the ring and copy it into a local data
2958 * structure. The copy involves a byte-swap since the
2959 * network byte order and pci byte orders are different.
2961 entry
= lpfc_resp_iocb(phba
, pring
);
2962 phba
->last_completion_time
= jiffies
;
2964 if (++pring
->sli
.sli3
.rspidx
>= portRspMax
)
2965 pring
->sli
.sli3
.rspidx
= 0;
2967 lpfc_sli_pcimem_bcopy((uint32_t *) entry
,
2968 (uint32_t *) &rspiocbq
.iocb
,
2969 phba
->iocb_rsp_size
);
2970 INIT_LIST_HEAD(&(rspiocbq
.list
));
2971 irsp
= &rspiocbq
.iocb
;
2973 type
= lpfc_sli_iocb_cmd_type(irsp
->ulpCommand
& CMD_IOCB_MASK
);
2974 pring
->stats
.iocb_rsp
++;
2977 if (unlikely(irsp
->ulpStatus
)) {
2979 * If resource errors reported from HBA, reduce
2980 * queuedepths of the SCSI device.
2982 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
2983 ((irsp
->un
.ulpWord
[4] & IOERR_PARAM_MASK
) ==
2984 IOERR_NO_RESOURCES
)) {
2985 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
2986 phba
->lpfc_rampdown_queue_depth(phba
);
2987 spin_lock_irqsave(&phba
->hbalock
, iflag
);
2990 /* Rsp ring <ringno> error: IOCB */
2991 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
2992 "0336 Rsp Ring %d error: IOCB Data: "
2993 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
2995 irsp
->un
.ulpWord
[0],
2996 irsp
->un
.ulpWord
[1],
2997 irsp
->un
.ulpWord
[2],
2998 irsp
->un
.ulpWord
[3],
2999 irsp
->un
.ulpWord
[4],
3000 irsp
->un
.ulpWord
[5],
3001 *(uint32_t *)&irsp
->un1
,
3002 *((uint32_t *)&irsp
->un1
+ 1));
3006 case LPFC_ABORT_IOCB
:
3009 * Idle exchange closed via ABTS from port. No iocb
3010 * resources need to be recovered.
3012 if (unlikely(irsp
->ulpCommand
== CMD_XRI_ABORTED_CX
)) {
3013 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3014 "0333 IOCB cmd 0x%x"
3015 " processed. Skipping"
3021 cmdiocbq
= lpfc_sli_iocbq_lookup(phba
, pring
,
3023 if (unlikely(!cmdiocbq
))
3025 if (cmdiocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
)
3026 cmdiocbq
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
3027 if (cmdiocbq
->iocb_cmpl
) {
3028 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3029 (cmdiocbq
->iocb_cmpl
)(phba
, cmdiocbq
,
3031 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3034 case LPFC_UNSOL_IOCB
:
3035 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3036 lpfc_sli_process_unsol_iocb(phba
, pring
, &rspiocbq
);
3037 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3040 if (irsp
->ulpCommand
== CMD_ADAPTER_MSG
) {
3041 char adaptermsg
[LPFC_MAX_ADPTMSG
];
3042 memset(adaptermsg
, 0, LPFC_MAX_ADPTMSG
);
3043 memcpy(&adaptermsg
[0], (uint8_t *) irsp
,
3045 dev_warn(&((phba
->pcidev
)->dev
),
3047 phba
->brd_no
, adaptermsg
);
3049 /* Unknown IOCB command */
3050 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3051 "0334 Unknown IOCB command "
3052 "Data: x%x, x%x x%x x%x x%x\n",
3053 type
, irsp
->ulpCommand
,
3062 * The response IOCB has been processed. Update the ring
3063 * pointer in SLIM. If the port response put pointer has not
3064 * been updated, sync the pgp->rspPutInx and fetch the new port
3065 * response put pointer.
3067 writel(pring
->sli
.sli3
.rspidx
,
3068 &phba
->host_gp
[pring
->ringno
].rspGetInx
);
3070 if (pring
->sli
.sli3
.rspidx
== portRspPut
)
3071 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3074 if ((rsp_cmpl
> 0) && (mask
& HA_R0RE_REQ
)) {
3075 pring
->stats
.iocb_rsp_full
++;
3076 status
= ((CA_R0ATT
| CA_R0RE_RSP
) << (pring
->ringno
* 4));
3077 writel(status
, phba
->CAregaddr
);
3078 readl(phba
->CAregaddr
);
3080 if ((mask
& HA_R0CE_RSP
) && (pring
->flag
& LPFC_CALL_RING_AVAILABLE
)) {
3081 pring
->flag
&= ~LPFC_CALL_RING_AVAILABLE
;
3082 pring
->stats
.iocb_cmd_empty
++;
3084 /* Force update of the local copy of cmdGetInx */
3085 pring
->sli
.sli3
.local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
3086 lpfc_sli_resume_iocb(phba
, pring
);
3088 if ((pring
->lpfc_sli_cmd_available
))
3089 (pring
->lpfc_sli_cmd_available
) (phba
, pring
);
3093 phba
->fcp_ring_in_use
= 0;
3094 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3099 * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb
3100 * @phba: Pointer to HBA context object.
3101 * @pring: Pointer to driver SLI ring object.
3102 * @rspiocbp: Pointer to driver response IOCB object.
3104 * This function is called from the worker thread when there is a slow-path
3105 * response IOCB to process. This function chains all the response iocbs until
3106 * seeing the iocb with the LE bit set. The function will call
3107 * lpfc_sli_process_sol_iocb function if the response iocb indicates a
3108 * completion of a command iocb. The function will call the
3109 * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb.
3110 * The function frees the resources or calls the completion handler if this
3111 * iocb is an abort completion. The function returns NULL when the response
3112 * iocb has the LE bit set and all the chained iocbs are processed, otherwise
3113 * this function shall chain the iocb on to the iocb_continueq and return the
3114 * response iocb passed in.
3116 static struct lpfc_iocbq
*
3117 lpfc_sli_sp_handle_rspiocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
3118 struct lpfc_iocbq
*rspiocbp
)
3120 struct lpfc_iocbq
*saveq
;
3121 struct lpfc_iocbq
*cmdiocbp
;
3122 struct lpfc_iocbq
*next_iocb
;
3123 IOCB_t
*irsp
= NULL
;
3124 uint32_t free_saveq
;
3125 uint8_t iocb_cmd_type
;
3126 lpfc_iocb_type type
;
3127 unsigned long iflag
;
3130 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3131 /* First add the response iocb to the countinueq list */
3132 list_add_tail(&rspiocbp
->list
, &(pring
->iocb_continueq
));
3133 pring
->iocb_continueq_cnt
++;
3135 /* Now, determine whether the list is completed for processing */
3136 irsp
= &rspiocbp
->iocb
;
3139 * By default, the driver expects to free all resources
3140 * associated with this iocb completion.
3143 saveq
= list_get_first(&pring
->iocb_continueq
,
3144 struct lpfc_iocbq
, list
);
3145 irsp
= &(saveq
->iocb
);
3146 list_del_init(&pring
->iocb_continueq
);
3147 pring
->iocb_continueq_cnt
= 0;
3149 pring
->stats
.iocb_rsp
++;
3152 * If resource errors reported from HBA, reduce
3153 * queuedepths of the SCSI device.
3155 if ((irsp
->ulpStatus
== IOSTAT_LOCAL_REJECT
) &&
3156 ((irsp
->un
.ulpWord
[4] & IOERR_PARAM_MASK
) ==
3157 IOERR_NO_RESOURCES
)) {
3158 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3159 phba
->lpfc_rampdown_queue_depth(phba
);
3160 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3163 if (irsp
->ulpStatus
) {
3164 /* Rsp ring <ringno> error: IOCB */
3165 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
3166 "0328 Rsp Ring %d error: "
3171 "x%x x%x x%x x%x\n",
3173 irsp
->un
.ulpWord
[0],
3174 irsp
->un
.ulpWord
[1],
3175 irsp
->un
.ulpWord
[2],
3176 irsp
->un
.ulpWord
[3],
3177 irsp
->un
.ulpWord
[4],
3178 irsp
->un
.ulpWord
[5],
3179 *(((uint32_t *) irsp
) + 6),
3180 *(((uint32_t *) irsp
) + 7),
3181 *(((uint32_t *) irsp
) + 8),
3182 *(((uint32_t *) irsp
) + 9),
3183 *(((uint32_t *) irsp
) + 10),
3184 *(((uint32_t *) irsp
) + 11),
3185 *(((uint32_t *) irsp
) + 12),
3186 *(((uint32_t *) irsp
) + 13),
3187 *(((uint32_t *) irsp
) + 14),
3188 *(((uint32_t *) irsp
) + 15));
3192 * Fetch the IOCB command type and call the correct completion
3193 * routine. Solicited and Unsolicited IOCBs on the ELS ring
3194 * get freed back to the lpfc_iocb_list by the discovery
3197 iocb_cmd_type
= irsp
->ulpCommand
& CMD_IOCB_MASK
;
3198 type
= lpfc_sli_iocb_cmd_type(iocb_cmd_type
);
3201 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3202 rc
= lpfc_sli_process_sol_iocb(phba
, pring
, saveq
);
3203 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3206 case LPFC_UNSOL_IOCB
:
3207 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3208 rc
= lpfc_sli_process_unsol_iocb(phba
, pring
, saveq
);
3209 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3214 case LPFC_ABORT_IOCB
:
3216 if (irsp
->ulpCommand
!= CMD_XRI_ABORTED_CX
)
3217 cmdiocbp
= lpfc_sli_iocbq_lookup(phba
, pring
,
3220 /* Call the specified completion routine */
3221 if (cmdiocbp
->iocb_cmpl
) {
3222 spin_unlock_irqrestore(&phba
->hbalock
,
3224 (cmdiocbp
->iocb_cmpl
)(phba
, cmdiocbp
,
3226 spin_lock_irqsave(&phba
->hbalock
,
3229 __lpfc_sli_release_iocbq(phba
,
3234 case LPFC_UNKNOWN_IOCB
:
3235 if (irsp
->ulpCommand
== CMD_ADAPTER_MSG
) {
3236 char adaptermsg
[LPFC_MAX_ADPTMSG
];
3237 memset(adaptermsg
, 0, LPFC_MAX_ADPTMSG
);
3238 memcpy(&adaptermsg
[0], (uint8_t *)irsp
,
3240 dev_warn(&((phba
->pcidev
)->dev
),
3242 phba
->brd_no
, adaptermsg
);
3244 /* Unknown IOCB command */
3245 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3246 "0335 Unknown IOCB "
3247 "command Data: x%x "
3258 list_for_each_entry_safe(rspiocbp
, next_iocb
,
3259 &saveq
->list
, list
) {
3260 list_del(&rspiocbp
->list
);
3261 __lpfc_sli_release_iocbq(phba
, rspiocbp
);
3263 __lpfc_sli_release_iocbq(phba
, saveq
);
3267 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3272 * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs
3273 * @phba: Pointer to HBA context object.
3274 * @pring: Pointer to driver SLI ring object.
3275 * @mask: Host attention register mask for this ring.
3277 * This routine wraps the actual slow_ring event process routine from the
3278 * API jump table function pointer from the lpfc_hba struct.
3281 lpfc_sli_handle_slow_ring_event(struct lpfc_hba
*phba
,
3282 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3284 phba
->lpfc_sli_handle_slow_ring_event(phba
, pring
, mask
);
3288 * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings
3289 * @phba: Pointer to HBA context object.
3290 * @pring: Pointer to driver SLI ring object.
3291 * @mask: Host attention register mask for this ring.
3293 * This function is called from the worker thread when there is a ring event
3294 * for non-fcp rings. The caller does not hold any lock. The function will
3295 * remove each response iocb in the response ring and calls the handle
3296 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3299 lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba
*phba
,
3300 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3302 struct lpfc_pgp
*pgp
;
3304 IOCB_t
*irsp
= NULL
;
3305 struct lpfc_iocbq
*rspiocbp
= NULL
;
3306 uint32_t portRspPut
, portRspMax
;
3307 unsigned long iflag
;
3310 pgp
= &phba
->port_gp
[pring
->ringno
];
3311 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3312 pring
->stats
.iocb_event
++;
3315 * The next available response entry should never exceed the maximum
3316 * entries. If it does, treat it as an adapter hardware error.
3318 portRspMax
= pring
->sli
.sli3
.numRiocb
;
3319 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3320 if (portRspPut
>= portRspMax
) {
3322 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
3323 * rsp ring <portRspMax>
3325 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3326 "0303 Ring %d handler: portRspPut %d "
3327 "is bigger than rsp ring %d\n",
3328 pring
->ringno
, portRspPut
, portRspMax
);
3330 phba
->link_state
= LPFC_HBA_ERROR
;
3331 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3333 phba
->work_hs
= HS_FFER3
;
3334 lpfc_handle_eratt(phba
);
3340 while (pring
->sli
.sli3
.rspidx
!= portRspPut
) {
3342 * Build a completion list and call the appropriate handler.
3343 * The process is to get the next available response iocb, get
3344 * a free iocb from the list, copy the response data into the
3345 * free iocb, insert to the continuation list, and update the
3346 * next response index to slim. This process makes response
3347 * iocb's in the ring available to DMA as fast as possible but
3348 * pays a penalty for a copy operation. Since the iocb is
3349 * only 32 bytes, this penalty is considered small relative to
3350 * the PCI reads for register values and a slim write. When
3351 * the ulpLe field is set, the entire Command has been
3354 entry
= lpfc_resp_iocb(phba
, pring
);
3356 phba
->last_completion_time
= jiffies
;
3357 rspiocbp
= __lpfc_sli_get_iocbq(phba
);
3358 if (rspiocbp
== NULL
) {
3359 printk(KERN_ERR
"%s: out of buffers! Failing "
3360 "completion.\n", __func__
);
3364 lpfc_sli_pcimem_bcopy(entry
, &rspiocbp
->iocb
,
3365 phba
->iocb_rsp_size
);
3366 irsp
= &rspiocbp
->iocb
;
3368 if (++pring
->sli
.sli3
.rspidx
>= portRspMax
)
3369 pring
->sli
.sli3
.rspidx
= 0;
3371 if (pring
->ringno
== LPFC_ELS_RING
) {
3372 lpfc_debugfs_slow_ring_trc(phba
,
3373 "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x",
3374 *(((uint32_t *) irsp
) + 4),
3375 *(((uint32_t *) irsp
) + 6),
3376 *(((uint32_t *) irsp
) + 7));
3379 writel(pring
->sli
.sli3
.rspidx
,
3380 &phba
->host_gp
[pring
->ringno
].rspGetInx
);
3382 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3383 /* Handle the response IOCB */
3384 rspiocbp
= lpfc_sli_sp_handle_rspiocb(phba
, pring
, rspiocbp
);
3385 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3388 * If the port response put pointer has not been updated, sync
3389 * the pgp->rspPutInx in the MAILBOX_tand fetch the new port
3390 * response put pointer.
3392 if (pring
->sli
.sli3
.rspidx
== portRspPut
) {
3393 portRspPut
= le32_to_cpu(pgp
->rspPutInx
);
3395 } /* while (pring->sli.sli3.rspidx != portRspPut) */
3397 if ((rspiocbp
!= NULL
) && (mask
& HA_R0RE_REQ
)) {
3398 /* At least one response entry has been freed */
3399 pring
->stats
.iocb_rsp_full
++;
3400 /* SET RxRE_RSP in Chip Att register */
3401 status
= ((CA_R0ATT
| CA_R0RE_RSP
) << (pring
->ringno
* 4));
3402 writel(status
, phba
->CAregaddr
);
3403 readl(phba
->CAregaddr
); /* flush */
3405 if ((mask
& HA_R0CE_RSP
) && (pring
->flag
& LPFC_CALL_RING_AVAILABLE
)) {
3406 pring
->flag
&= ~LPFC_CALL_RING_AVAILABLE
;
3407 pring
->stats
.iocb_cmd_empty
++;
3409 /* Force update of the local copy of cmdGetInx */
3410 pring
->sli
.sli3
.local_getidx
= le32_to_cpu(pgp
->cmdGetInx
);
3411 lpfc_sli_resume_iocb(phba
, pring
);
3413 if ((pring
->lpfc_sli_cmd_available
))
3414 (pring
->lpfc_sli_cmd_available
) (phba
, pring
);
3418 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3423 * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events
3424 * @phba: Pointer to HBA context object.
3425 * @pring: Pointer to driver SLI ring object.
3426 * @mask: Host attention register mask for this ring.
3428 * This function is called from the worker thread when there is a pending
3429 * ELS response iocb on the driver internal slow-path response iocb worker
3430 * queue. The caller does not hold any lock. The function will remove each
3431 * response iocb from the response worker queue and calls the handle
3432 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3435 lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba
*phba
,
3436 struct lpfc_sli_ring
*pring
, uint32_t mask
)
3438 struct lpfc_iocbq
*irspiocbq
;
3439 struct hbq_dmabuf
*dmabuf
;
3440 struct lpfc_cq_event
*cq_event
;
3441 unsigned long iflag
;
3443 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3444 phba
->hba_flag
&= ~HBA_SP_QUEUE_EVT
;
3445 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3446 while (!list_empty(&phba
->sli4_hba
.sp_queue_event
)) {
3447 /* Get the response iocb from the head of work queue */
3448 spin_lock_irqsave(&phba
->hbalock
, iflag
);
3449 list_remove_head(&phba
->sli4_hba
.sp_queue_event
,
3450 cq_event
, struct lpfc_cq_event
, list
);
3451 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
3453 switch (bf_get(lpfc_wcqe_c_code
, &cq_event
->cqe
.wcqe_cmpl
)) {
3454 case CQE_CODE_COMPL_WQE
:
3455 irspiocbq
= container_of(cq_event
, struct lpfc_iocbq
,
3457 /* Translate ELS WCQE to response IOCBQ */
3458 irspiocbq
= lpfc_sli4_els_wcqe_to_rspiocbq(phba
,
3461 lpfc_sli_sp_handle_rspiocb(phba
, pring
,
3464 case CQE_CODE_RECEIVE
:
3465 case CQE_CODE_RECEIVE_V1
:
3466 dmabuf
= container_of(cq_event
, struct hbq_dmabuf
,
3468 lpfc_sli4_handle_received_buffer(phba
, dmabuf
);
3477 * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring
3478 * @phba: Pointer to HBA context object.
3479 * @pring: Pointer to driver SLI ring object.
3481 * This function aborts all iocbs in the given ring and frees all the iocb
3482 * objects in txq. This function issues an abort iocb for all the iocb commands
3483 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3484 * the return of this function. The caller is not required to hold any locks.
3487 lpfc_sli_abort_iocb_ring(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
3489 LIST_HEAD(completions
);
3490 struct lpfc_iocbq
*iocb
, *next_iocb
;
3492 if (pring
->ringno
== LPFC_ELS_RING
) {
3493 lpfc_fabric_abort_hba(phba
);
3496 /* Error everything on txq and txcmplq
3499 spin_lock_irq(&phba
->hbalock
);
3500 list_splice_init(&pring
->txq
, &completions
);
3503 /* Next issue ABTS for everything on the txcmplq */
3504 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
)
3505 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
3507 spin_unlock_irq(&phba
->hbalock
);
3509 /* Cancel all the IOCBs from the completions list */
3510 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
3515 * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring
3516 * @phba: Pointer to HBA context object.
3518 * This function flushes all iocbs in the fcp ring and frees all the iocb
3519 * objects in txq and txcmplq. This function will not issue abort iocbs
3520 * for all the iocb commands in txcmplq, they will just be returned with
3521 * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI
3522 * slot has been permanently disabled.
3525 lpfc_sli_flush_fcp_rings(struct lpfc_hba
*phba
)
3529 struct lpfc_sli
*psli
= &phba
->sli
;
3530 struct lpfc_sli_ring
*pring
;
3532 /* Currently, only one fcp ring */
3533 pring
= &psli
->ring
[psli
->fcp_ring
];
3535 spin_lock_irq(&phba
->hbalock
);
3536 /* Retrieve everything on txq */
3537 list_splice_init(&pring
->txq
, &txq
);
3540 /* Retrieve everything on the txcmplq */
3541 list_splice_init(&pring
->txcmplq
, &txcmplq
);
3542 pring
->txcmplq_cnt
= 0;
3544 /* Indicate the I/O queues are flushed */
3545 phba
->hba_flag
|= HBA_FCP_IOQ_FLUSH
;
3546 spin_unlock_irq(&phba
->hbalock
);
3549 lpfc_sli_cancel_iocbs(phba
, &txq
, IOSTAT_LOCAL_REJECT
,
3552 /* Flush the txcmpq */
3553 lpfc_sli_cancel_iocbs(phba
, &txcmplq
, IOSTAT_LOCAL_REJECT
,
3558 * lpfc_sli_brdready_s3 - Check for sli3 host ready status
3559 * @phba: Pointer to HBA context object.
3560 * @mask: Bit mask to be checked.
3562 * This function reads the host status register and compares
3563 * with the provided bit mask to check if HBA completed
3564 * the restart. This function will wait in a loop for the
3565 * HBA to complete restart. If the HBA does not restart within
3566 * 15 iterations, the function will reset the HBA again. The
3567 * function returns 1 when HBA fail to restart otherwise returns
3571 lpfc_sli_brdready_s3(struct lpfc_hba
*phba
, uint32_t mask
)
3577 /* Read the HBA Host Status Register */
3578 if (lpfc_readl(phba
->HSregaddr
, &status
))
3582 * Check status register every 100ms for 5 retries, then every
3583 * 500ms for 5, then every 2.5 sec for 5, then reset board and
3584 * every 2.5 sec for 4.
3585 * Break our of the loop if errors occurred during init.
3587 while (((status
& mask
) != mask
) &&
3588 !(status
& HS_FFERM
) &&
3600 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
3601 lpfc_sli_brdrestart(phba
);
3603 /* Read the HBA Host Status Register */
3604 if (lpfc_readl(phba
->HSregaddr
, &status
)) {
3610 /* Check to see if any errors occurred during init */
3611 if ((status
& HS_FFERM
) || (i
>= 20)) {
3612 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3613 "2751 Adapter failed to restart, "
3614 "status reg x%x, FW Data: A8 x%x AC x%x\n",
3616 readl(phba
->MBslimaddr
+ 0xa8),
3617 readl(phba
->MBslimaddr
+ 0xac));
3618 phba
->link_state
= LPFC_HBA_ERROR
;
3626 * lpfc_sli_brdready_s4 - Check for sli4 host ready status
3627 * @phba: Pointer to HBA context object.
3628 * @mask: Bit mask to be checked.
3630 * This function checks the host status register to check if HBA is
3631 * ready. This function will wait in a loop for the HBA to be ready
3632 * If the HBA is not ready , the function will will reset the HBA PCI
3633 * function again. The function returns 1 when HBA fail to be ready
3634 * otherwise returns zero.
3637 lpfc_sli_brdready_s4(struct lpfc_hba
*phba
, uint32_t mask
)
3642 /* Read the HBA Host Status Register */
3643 status
= lpfc_sli4_post_status_check(phba
);
3646 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
3647 lpfc_sli_brdrestart(phba
);
3648 status
= lpfc_sli4_post_status_check(phba
);
3651 /* Check to see if any errors occurred during init */
3653 phba
->link_state
= LPFC_HBA_ERROR
;
3656 phba
->sli4_hba
.intr_enable
= 0;
3662 * lpfc_sli_brdready - Wrapper func for checking the hba readyness
3663 * @phba: Pointer to HBA context object.
3664 * @mask: Bit mask to be checked.
3666 * This routine wraps the actual SLI3 or SLI4 hba readyness check routine
3667 * from the API jump table function pointer from the lpfc_hba struct.
3670 lpfc_sli_brdready(struct lpfc_hba
*phba
, uint32_t mask
)
3672 return phba
->lpfc_sli_brdready(phba
, mask
);
3675 #define BARRIER_TEST_PATTERN (0xdeadbeef)
3678 * lpfc_reset_barrier - Make HBA ready for HBA reset
3679 * @phba: Pointer to HBA context object.
3681 * This function is called before resetting an HBA. This function is called
3682 * with hbalock held and requests HBA to quiesce DMAs before a reset.
3684 void lpfc_reset_barrier(struct lpfc_hba
*phba
)
3686 uint32_t __iomem
*resp_buf
;
3687 uint32_t __iomem
*mbox_buf
;
3688 volatile uint32_t mbox
;
3689 uint32_t hc_copy
, ha_copy
, resp_data
;
3693 pci_read_config_byte(phba
->pcidev
, PCI_HEADER_TYPE
, &hdrtype
);
3694 if (hdrtype
!= 0x80 ||
3695 (FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
) != HELIOS_JEDEC_ID
&&
3696 FC_JEDEC_ID(phba
->vpd
.rev
.biuRev
) != THOR_JEDEC_ID
))
3700 * Tell the other part of the chip to suspend temporarily all
3703 resp_buf
= phba
->MBslimaddr
;
3705 /* Disable the error attention */
3706 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
))
3708 writel((hc_copy
& ~HC_ERINT_ENA
), phba
->HCregaddr
);
3709 readl(phba
->HCregaddr
); /* flush */
3710 phba
->link_flag
|= LS_IGNORE_ERATT
;
3712 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3714 if (ha_copy
& HA_ERATT
) {
3715 /* Clear Chip error bit */
3716 writel(HA_ERATT
, phba
->HAregaddr
);
3717 phba
->pport
->stopped
= 1;
3721 ((MAILBOX_t
*)&mbox
)->mbxCommand
= MBX_KILL_BOARD
;
3722 ((MAILBOX_t
*)&mbox
)->mbxOwner
= OWN_CHIP
;
3724 writel(BARRIER_TEST_PATTERN
, (resp_buf
+ 1));
3725 mbox_buf
= phba
->MBslimaddr
;
3726 writel(mbox
, mbox_buf
);
3728 for (i
= 0; i
< 50; i
++) {
3729 if (lpfc_readl((resp_buf
+ 1), &resp_data
))
3731 if (resp_data
!= ~(BARRIER_TEST_PATTERN
))
3737 if (lpfc_readl((resp_buf
+ 1), &resp_data
))
3739 if (resp_data
!= ~(BARRIER_TEST_PATTERN
)) {
3740 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
||
3741 phba
->pport
->stopped
)
3747 ((MAILBOX_t
*)&mbox
)->mbxOwner
= OWN_HOST
;
3749 for (i
= 0; i
< 500; i
++) {
3750 if (lpfc_readl(resp_buf
, &resp_data
))
3752 if (resp_data
!= mbox
)
3761 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3763 if (!(ha_copy
& HA_ERATT
))
3769 if (readl(phba
->HAregaddr
) & HA_ERATT
) {
3770 writel(HA_ERATT
, phba
->HAregaddr
);
3771 phba
->pport
->stopped
= 1;
3775 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
3776 writel(hc_copy
, phba
->HCregaddr
);
3777 readl(phba
->HCregaddr
); /* flush */
3781 * lpfc_sli_brdkill - Issue a kill_board mailbox command
3782 * @phba: Pointer to HBA context object.
3784 * This function issues a kill_board mailbox command and waits for
3785 * the error attention interrupt. This function is called for stopping
3786 * the firmware processing. The caller is not required to hold any
3787 * locks. This function calls lpfc_hba_down_post function to free
3788 * any pending commands after the kill. The function will return 1 when it
3789 * fails to kill the board else will return 0.
3792 lpfc_sli_brdkill(struct lpfc_hba
*phba
)
3794 struct lpfc_sli
*psli
;
3804 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3805 "0329 Kill HBA Data: x%x x%x\n",
3806 phba
->pport
->port_state
, psli
->sli_flag
);
3808 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3812 /* Disable the error attention */
3813 spin_lock_irq(&phba
->hbalock
);
3814 if (lpfc_readl(phba
->HCregaddr
, &status
)) {
3815 spin_unlock_irq(&phba
->hbalock
);
3816 mempool_free(pmb
, phba
->mbox_mem_pool
);
3819 status
&= ~HC_ERINT_ENA
;
3820 writel(status
, phba
->HCregaddr
);
3821 readl(phba
->HCregaddr
); /* flush */
3822 phba
->link_flag
|= LS_IGNORE_ERATT
;
3823 spin_unlock_irq(&phba
->hbalock
);
3825 lpfc_kill_board(phba
, pmb
);
3826 pmb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
3827 retval
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
3829 if (retval
!= MBX_SUCCESS
) {
3830 if (retval
!= MBX_BUSY
)
3831 mempool_free(pmb
, phba
->mbox_mem_pool
);
3832 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
3833 "2752 KILL_BOARD command failed retval %d\n",
3835 spin_lock_irq(&phba
->hbalock
);
3836 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
3837 spin_unlock_irq(&phba
->hbalock
);
3841 spin_lock_irq(&phba
->hbalock
);
3842 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
3843 spin_unlock_irq(&phba
->hbalock
);
3845 mempool_free(pmb
, phba
->mbox_mem_pool
);
3847 /* There is no completion for a KILL_BOARD mbox cmd. Check for an error
3848 * attention every 100ms for 3 seconds. If we don't get ERATT after
3849 * 3 seconds we still set HBA_ERROR state because the status of the
3850 * board is now undefined.
3852 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3854 while ((i
++ < 30) && !(ha_copy
& HA_ERATT
)) {
3856 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
3860 del_timer_sync(&psli
->mbox_tmo
);
3861 if (ha_copy
& HA_ERATT
) {
3862 writel(HA_ERATT
, phba
->HAregaddr
);
3863 phba
->pport
->stopped
= 1;
3865 spin_lock_irq(&phba
->hbalock
);
3866 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
3867 psli
->mbox_active
= NULL
;
3868 phba
->link_flag
&= ~LS_IGNORE_ERATT
;
3869 spin_unlock_irq(&phba
->hbalock
);
3871 lpfc_hba_down_post(phba
);
3872 phba
->link_state
= LPFC_HBA_ERROR
;
3874 return ha_copy
& HA_ERATT
? 0 : 1;
3878 * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA
3879 * @phba: Pointer to HBA context object.
3881 * This function resets the HBA by writing HC_INITFF to the control
3882 * register. After the HBA resets, this function resets all the iocb ring
3883 * indices. This function disables PCI layer parity checking during
3885 * This function returns 0 always.
3886 * The caller is not required to hold any locks.
3889 lpfc_sli_brdreset(struct lpfc_hba
*phba
)
3891 struct lpfc_sli
*psli
;
3892 struct lpfc_sli_ring
*pring
;
3899 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3900 "0325 Reset HBA Data: x%x x%x\n",
3901 phba
->pport
->port_state
, psli
->sli_flag
);
3903 /* perform board reset */
3904 phba
->fc_eventTag
= 0;
3905 phba
->link_events
= 0;
3906 phba
->pport
->fc_myDID
= 0;
3907 phba
->pport
->fc_prevDID
= 0;
3909 /* Turn off parity checking and serr during the physical reset */
3910 pci_read_config_word(phba
->pcidev
, PCI_COMMAND
, &cfg_value
);
3911 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
,
3913 ~(PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
)));
3915 psli
->sli_flag
&= ~(LPFC_SLI_ACTIVE
| LPFC_PROCESS_LA
);
3917 /* Now toggle INITFF bit in the Host Control Register */
3918 writel(HC_INITFF
, phba
->HCregaddr
);
3920 readl(phba
->HCregaddr
); /* flush */
3921 writel(0, phba
->HCregaddr
);
3922 readl(phba
->HCregaddr
); /* flush */
3924 /* Restore PCI cmd register */
3925 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, cfg_value
);
3927 /* Initialize relevant SLI info */
3928 for (i
= 0; i
< psli
->num_rings
; i
++) {
3929 pring
= &psli
->ring
[i
];
3931 pring
->sli
.sli3
.rspidx
= 0;
3932 pring
->sli
.sli3
.next_cmdidx
= 0;
3933 pring
->sli
.sli3
.local_getidx
= 0;
3934 pring
->sli
.sli3
.cmdidx
= 0;
3935 pring
->missbufcnt
= 0;
3938 phba
->link_state
= LPFC_WARM_START
;
3943 * lpfc_sli4_brdreset - Reset a sli-4 HBA
3944 * @phba: Pointer to HBA context object.
3946 * This function resets a SLI4 HBA. This function disables PCI layer parity
3947 * checking during resets the device. The caller is not required to hold
3950 * This function returns 0 always.
3953 lpfc_sli4_brdreset(struct lpfc_hba
*phba
)
3955 struct lpfc_sli
*psli
= &phba
->sli
;
3960 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
3961 "0295 Reset HBA Data: x%x x%x\n",
3962 phba
->pport
->port_state
, psli
->sli_flag
);
3964 /* perform board reset */
3965 phba
->fc_eventTag
= 0;
3966 phba
->link_events
= 0;
3967 phba
->pport
->fc_myDID
= 0;
3968 phba
->pport
->fc_prevDID
= 0;
3970 spin_lock_irq(&phba
->hbalock
);
3971 psli
->sli_flag
&= ~(LPFC_PROCESS_LA
);
3972 phba
->fcf
.fcf_flag
= 0;
3973 spin_unlock_irq(&phba
->hbalock
);
3975 /* Now physically reset the device */
3976 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
3977 "0389 Performing PCI function reset!\n");
3979 /* Turn off parity checking and serr during the physical reset */
3980 pci_read_config_word(phba
->pcidev
, PCI_COMMAND
, &cfg_value
);
3981 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, (cfg_value
&
3982 ~(PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
)));
3984 /* Perform FCoE PCI function reset before freeing queue memory */
3985 rc
= lpfc_pci_function_reset(phba
);
3986 lpfc_sli4_queue_destroy(phba
);
3988 /* Restore PCI cmd register */
3989 pci_write_config_word(phba
->pcidev
, PCI_COMMAND
, cfg_value
);
3995 * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba
3996 * @phba: Pointer to HBA context object.
3998 * This function is called in the SLI initialization code path to
3999 * restart the HBA. The caller is not required to hold any lock.
4000 * This function writes MBX_RESTART mailbox command to the SLIM and
4001 * resets the HBA. At the end of the function, it calls lpfc_hba_down_post
4002 * function to free any pending commands. The function enables
4003 * POST only during the first initialization. The function returns zero.
4004 * The function does not guarantee completion of MBX_RESTART mailbox
4005 * command before the return of this function.
4008 lpfc_sli_brdrestart_s3(struct lpfc_hba
*phba
)
4011 struct lpfc_sli
*psli
;
4012 volatile uint32_t word0
;
4013 void __iomem
*to_slim
;
4014 uint32_t hba_aer_enabled
;
4016 spin_lock_irq(&phba
->hbalock
);
4018 /* Take PCIe device Advanced Error Reporting (AER) state */
4019 hba_aer_enabled
= phba
->hba_flag
& HBA_AER_ENABLED
;
4024 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4025 "0337 Restart HBA Data: x%x x%x\n",
4026 phba
->pport
->port_state
, psli
->sli_flag
);
4029 mb
= (MAILBOX_t
*) &word0
;
4030 mb
->mbxCommand
= MBX_RESTART
;
4033 lpfc_reset_barrier(phba
);
4035 to_slim
= phba
->MBslimaddr
;
4036 writel(*(uint32_t *) mb
, to_slim
);
4037 readl(to_slim
); /* flush */
4039 /* Only skip post after fc_ffinit is completed */
4040 if (phba
->pport
->port_state
)
4041 word0
= 1; /* This is really setting up word1 */
4043 word0
= 0; /* This is really setting up word1 */
4044 to_slim
= phba
->MBslimaddr
+ sizeof (uint32_t);
4045 writel(*(uint32_t *) mb
, to_slim
);
4046 readl(to_slim
); /* flush */
4048 lpfc_sli_brdreset(phba
);
4049 phba
->pport
->stopped
= 0;
4050 phba
->link_state
= LPFC_INIT_START
;
4052 spin_unlock_irq(&phba
->hbalock
);
4054 memset(&psli
->lnk_stat_offsets
, 0, sizeof(psli
->lnk_stat_offsets
));
4055 psli
->stats_start
= get_seconds();
4057 /* Give the INITFF and Post time to settle. */
4060 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
4061 if (hba_aer_enabled
)
4062 pci_disable_pcie_error_reporting(phba
->pcidev
);
4064 lpfc_hba_down_post(phba
);
4070 * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba
4071 * @phba: Pointer to HBA context object.
4073 * This function is called in the SLI initialization code path to restart
4074 * a SLI4 HBA. The caller is not required to hold any lock.
4075 * At the end of the function, it calls lpfc_hba_down_post function to
4076 * free any pending commands.
4079 lpfc_sli_brdrestart_s4(struct lpfc_hba
*phba
)
4081 struct lpfc_sli
*psli
= &phba
->sli
;
4082 uint32_t hba_aer_enabled
;
4086 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4087 "0296 Restart HBA Data: x%x x%x\n",
4088 phba
->pport
->port_state
, psli
->sli_flag
);
4090 /* Take PCIe device Advanced Error Reporting (AER) state */
4091 hba_aer_enabled
= phba
->hba_flag
& HBA_AER_ENABLED
;
4093 rc
= lpfc_sli4_brdreset(phba
);
4095 spin_lock_irq(&phba
->hbalock
);
4096 phba
->pport
->stopped
= 0;
4097 phba
->link_state
= LPFC_INIT_START
;
4099 spin_unlock_irq(&phba
->hbalock
);
4101 memset(&psli
->lnk_stat_offsets
, 0, sizeof(psli
->lnk_stat_offsets
));
4102 psli
->stats_start
= get_seconds();
4104 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
4105 if (hba_aer_enabled
)
4106 pci_disable_pcie_error_reporting(phba
->pcidev
);
4108 lpfc_hba_down_post(phba
);
4114 * lpfc_sli_brdrestart - Wrapper func for restarting hba
4115 * @phba: Pointer to HBA context object.
4117 * This routine wraps the actual SLI3 or SLI4 hba restart routine from the
4118 * API jump table function pointer from the lpfc_hba struct.
4121 lpfc_sli_brdrestart(struct lpfc_hba
*phba
)
4123 return phba
->lpfc_sli_brdrestart(phba
);
4127 * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart
4128 * @phba: Pointer to HBA context object.
4130 * This function is called after a HBA restart to wait for successful
4131 * restart of the HBA. Successful restart of the HBA is indicated by
4132 * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15
4133 * iteration, the function will restart the HBA again. The function returns
4134 * zero if HBA successfully restarted else returns negative error code.
4137 lpfc_sli_chipset_init(struct lpfc_hba
*phba
)
4139 uint32_t status
, i
= 0;
4141 /* Read the HBA Host Status Register */
4142 if (lpfc_readl(phba
->HSregaddr
, &status
))
4145 /* Check status register to see what current state is */
4147 while ((status
& (HS_FFRDY
| HS_MBRDY
)) != (HS_FFRDY
| HS_MBRDY
)) {
4149 /* Check every 10ms for 10 retries, then every 100ms for 90
4150 * retries, then every 1 sec for 50 retires for a total of
4151 * ~60 seconds before reset the board again and check every
4152 * 1 sec for 50 retries. The up to 60 seconds before the
4153 * board ready is required by the Falcon FIPS zeroization
4154 * complete, and any reset the board in between shall cause
4155 * restart of zeroization, further delay the board ready.
4158 /* Adapter failed to init, timeout, status reg
4160 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4161 "0436 Adapter failed to init, "
4162 "timeout, status reg x%x, "
4163 "FW Data: A8 x%x AC x%x\n", status
,
4164 readl(phba
->MBslimaddr
+ 0xa8),
4165 readl(phba
->MBslimaddr
+ 0xac));
4166 phba
->link_state
= LPFC_HBA_ERROR
;
4170 /* Check to see if any errors occurred during init */
4171 if (status
& HS_FFERM
) {
4172 /* ERROR: During chipset initialization */
4173 /* Adapter failed to init, chipset, status reg
4175 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4176 "0437 Adapter failed to init, "
4177 "chipset, status reg x%x, "
4178 "FW Data: A8 x%x AC x%x\n", status
,
4179 readl(phba
->MBslimaddr
+ 0xa8),
4180 readl(phba
->MBslimaddr
+ 0xac));
4181 phba
->link_state
= LPFC_HBA_ERROR
;
4194 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
4195 lpfc_sli_brdrestart(phba
);
4197 /* Read the HBA Host Status Register */
4198 if (lpfc_readl(phba
->HSregaddr
, &status
))
4202 /* Check to see if any errors occurred during init */
4203 if (status
& HS_FFERM
) {
4204 /* ERROR: During chipset initialization */
4205 /* Adapter failed to init, chipset, status reg <status> */
4206 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4207 "0438 Adapter failed to init, chipset, "
4209 "FW Data: A8 x%x AC x%x\n", status
,
4210 readl(phba
->MBslimaddr
+ 0xa8),
4211 readl(phba
->MBslimaddr
+ 0xac));
4212 phba
->link_state
= LPFC_HBA_ERROR
;
4216 /* Clear all interrupt enable conditions */
4217 writel(0, phba
->HCregaddr
);
4218 readl(phba
->HCregaddr
); /* flush */
4220 /* setup host attn register */
4221 writel(0xffffffff, phba
->HAregaddr
);
4222 readl(phba
->HAregaddr
); /* flush */
4227 * lpfc_sli_hbq_count - Get the number of HBQs to be configured
4229 * This function calculates and returns the number of HBQs required to be
4233 lpfc_sli_hbq_count(void)
4235 return ARRAY_SIZE(lpfc_hbq_defs
);
4239 * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries
4241 * This function adds the number of hbq entries in every HBQ to get
4242 * the total number of hbq entries required for the HBA and returns
4246 lpfc_sli_hbq_entry_count(void)
4248 int hbq_count
= lpfc_sli_hbq_count();
4252 for (i
= 0; i
< hbq_count
; ++i
)
4253 count
+= lpfc_hbq_defs
[i
]->entry_count
;
4258 * lpfc_sli_hbq_size - Calculate memory required for all hbq entries
4260 * This function calculates amount of memory required for all hbq entries
4261 * to be configured and returns the total memory required.
4264 lpfc_sli_hbq_size(void)
4266 return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry
);
4270 * lpfc_sli_hbq_setup - configure and initialize HBQs
4271 * @phba: Pointer to HBA context object.
4273 * This function is called during the SLI initialization to configure
4274 * all the HBQs and post buffers to the HBQ. The caller is not
4275 * required to hold any locks. This function will return zero if successful
4276 * else it will return negative error code.
4279 lpfc_sli_hbq_setup(struct lpfc_hba
*phba
)
4281 int hbq_count
= lpfc_sli_hbq_count();
4285 uint32_t hbq_entry_index
;
4287 /* Get a Mailbox buffer to setup mailbox
4288 * commands for HBA initialization
4290 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4297 /* Initialize the struct lpfc_sli_hbq structure for each hbq */
4298 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
4299 phba
->hbq_in_use
= 1;
4301 hbq_entry_index
= 0;
4302 for (hbqno
= 0; hbqno
< hbq_count
; ++hbqno
) {
4303 phba
->hbqs
[hbqno
].next_hbqPutIdx
= 0;
4304 phba
->hbqs
[hbqno
].hbqPutIdx
= 0;
4305 phba
->hbqs
[hbqno
].local_hbqGetIdx
= 0;
4306 phba
->hbqs
[hbqno
].entry_count
=
4307 lpfc_hbq_defs
[hbqno
]->entry_count
;
4308 lpfc_config_hbq(phba
, hbqno
, lpfc_hbq_defs
[hbqno
],
4309 hbq_entry_index
, pmb
);
4310 hbq_entry_index
+= phba
->hbqs
[hbqno
].entry_count
;
4312 if (lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
) != MBX_SUCCESS
) {
4313 /* Adapter failed to init, mbxCmd <cmd> CFG_RING,
4314 mbxStatus <status>, ring <num> */
4316 lpfc_printf_log(phba
, KERN_ERR
,
4317 LOG_SLI
| LOG_VPORT
,
4318 "1805 Adapter failed to init. "
4319 "Data: x%x x%x x%x\n",
4321 pmbox
->mbxStatus
, hbqno
);
4323 phba
->link_state
= LPFC_HBA_ERROR
;
4324 mempool_free(pmb
, phba
->mbox_mem_pool
);
4328 phba
->hbq_count
= hbq_count
;
4330 mempool_free(pmb
, phba
->mbox_mem_pool
);
4332 /* Initially populate or replenish the HBQs */
4333 for (hbqno
= 0; hbqno
< hbq_count
; ++hbqno
)
4334 lpfc_sli_hbqbuf_init_hbqs(phba
, hbqno
);
4339 * lpfc_sli4_rb_setup - Initialize and post RBs to HBA
4340 * @phba: Pointer to HBA context object.
4342 * This function is called during the SLI initialization to configure
4343 * all the HBQs and post buffers to the HBQ. The caller is not
4344 * required to hold any locks. This function will return zero if successful
4345 * else it will return negative error code.
4348 lpfc_sli4_rb_setup(struct lpfc_hba
*phba
)
4350 phba
->hbq_in_use
= 1;
4351 phba
->hbqs
[0].entry_count
= lpfc_hbq_defs
[0]->entry_count
;
4352 phba
->hbq_count
= 1;
4353 /* Initially populate or replenish the HBQs */
4354 lpfc_sli_hbqbuf_init_hbqs(phba
, 0);
4359 * lpfc_sli_config_port - Issue config port mailbox command
4360 * @phba: Pointer to HBA context object.
4361 * @sli_mode: sli mode - 2/3
4363 * This function is called by the sli intialization code path
4364 * to issue config_port mailbox command. This function restarts the
4365 * HBA firmware and issues a config_port mailbox command to configure
4366 * the SLI interface in the sli mode specified by sli_mode
4367 * variable. The caller is not required to hold any locks.
4368 * The function returns 0 if successful, else returns negative error
4372 lpfc_sli_config_port(struct lpfc_hba
*phba
, int sli_mode
)
4375 uint32_t resetcount
= 0, rc
= 0, done
= 0;
4377 pmb
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4379 phba
->link_state
= LPFC_HBA_ERROR
;
4383 phba
->sli_rev
= sli_mode
;
4384 while (resetcount
< 2 && !done
) {
4385 spin_lock_irq(&phba
->hbalock
);
4386 phba
->sli
.sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
4387 spin_unlock_irq(&phba
->hbalock
);
4388 phba
->pport
->port_state
= LPFC_VPORT_UNKNOWN
;
4389 lpfc_sli_brdrestart(phba
);
4390 rc
= lpfc_sli_chipset_init(phba
);
4394 spin_lock_irq(&phba
->hbalock
);
4395 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
4396 spin_unlock_irq(&phba
->hbalock
);
4399 /* Call pre CONFIG_PORT mailbox command initialization. A
4400 * value of 0 means the call was successful. Any other
4401 * nonzero value is a failure, but if ERESTART is returned,
4402 * the driver may reset the HBA and try again.
4404 rc
= lpfc_config_port_prep(phba
);
4405 if (rc
== -ERESTART
) {
4406 phba
->link_state
= LPFC_LINK_UNKNOWN
;
4411 phba
->link_state
= LPFC_INIT_MBX_CMDS
;
4412 lpfc_config_port(phba
, pmb
);
4413 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
4414 phba
->sli3_options
&= ~(LPFC_SLI3_NPIV_ENABLED
|
4415 LPFC_SLI3_HBQ_ENABLED
|
4416 LPFC_SLI3_CRP_ENABLED
|
4417 LPFC_SLI3_BG_ENABLED
|
4418 LPFC_SLI3_DSS_ENABLED
);
4419 if (rc
!= MBX_SUCCESS
) {
4420 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4421 "0442 Adapter failed to init, mbxCmd x%x "
4422 "CONFIG_PORT, mbxStatus x%x Data: x%x\n",
4423 pmb
->u
.mb
.mbxCommand
, pmb
->u
.mb
.mbxStatus
, 0);
4424 spin_lock_irq(&phba
->hbalock
);
4425 phba
->sli
.sli_flag
&= ~LPFC_SLI_ACTIVE
;
4426 spin_unlock_irq(&phba
->hbalock
);
4429 /* Allow asynchronous mailbox command to go through */
4430 spin_lock_irq(&phba
->hbalock
);
4431 phba
->sli
.sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
4432 spin_unlock_irq(&phba
->hbalock
);
4435 if ((pmb
->u
.mb
.un
.varCfgPort
.casabt
== 1) &&
4436 (pmb
->u
.mb
.un
.varCfgPort
.gasabt
== 0))
4437 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
4438 "3110 Port did not grant ASABT\n");
4443 goto do_prep_failed
;
4445 if (pmb
->u
.mb
.un
.varCfgPort
.sli_mode
== 3) {
4446 if (!pmb
->u
.mb
.un
.varCfgPort
.cMA
) {
4448 goto do_prep_failed
;
4450 if (phba
->max_vpi
&& pmb
->u
.mb
.un
.varCfgPort
.gmv
) {
4451 phba
->sli3_options
|= LPFC_SLI3_NPIV_ENABLED
;
4452 phba
->max_vpi
= pmb
->u
.mb
.un
.varCfgPort
.max_vpi
;
4453 phba
->max_vports
= (phba
->max_vpi
> phba
->max_vports
) ?
4454 phba
->max_vpi
: phba
->max_vports
;
4458 phba
->fips_level
= 0;
4459 phba
->fips_spec_rev
= 0;
4460 if (pmb
->u
.mb
.un
.varCfgPort
.gdss
) {
4461 phba
->sli3_options
|= LPFC_SLI3_DSS_ENABLED
;
4462 phba
->fips_level
= pmb
->u
.mb
.un
.varCfgPort
.fips_level
;
4463 phba
->fips_spec_rev
= pmb
->u
.mb
.un
.varCfgPort
.fips_rev
;
4464 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4465 "2850 Security Crypto Active. FIPS x%d "
4467 phba
->fips_level
, phba
->fips_spec_rev
);
4469 if (pmb
->u
.mb
.un
.varCfgPort
.sec_err
) {
4470 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4471 "2856 Config Port Security Crypto "
4473 pmb
->u
.mb
.un
.varCfgPort
.sec_err
);
4475 if (pmb
->u
.mb
.un
.varCfgPort
.gerbm
)
4476 phba
->sli3_options
|= LPFC_SLI3_HBQ_ENABLED
;
4477 if (pmb
->u
.mb
.un
.varCfgPort
.gcrp
)
4478 phba
->sli3_options
|= LPFC_SLI3_CRP_ENABLED
;
4480 phba
->hbq_get
= phba
->mbox
->us
.s3_pgp
.hbq_get
;
4481 phba
->port_gp
= phba
->mbox
->us
.s3_pgp
.port
;
4483 if (phba
->cfg_enable_bg
) {
4484 if (pmb
->u
.mb
.un
.varCfgPort
.gbg
)
4485 phba
->sli3_options
|= LPFC_SLI3_BG_ENABLED
;
4487 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4488 "0443 Adapter did not grant "
4492 phba
->hbq_get
= NULL
;
4493 phba
->port_gp
= phba
->mbox
->us
.s2
.port
;
4497 mempool_free(pmb
, phba
->mbox_mem_pool
);
4503 * lpfc_sli_hba_setup - SLI intialization function
4504 * @phba: Pointer to HBA context object.
4506 * This function is the main SLI intialization function. This function
4507 * is called by the HBA intialization code, HBA reset code and HBA
4508 * error attention handler code. Caller is not required to hold any
4509 * locks. This function issues config_port mailbox command to configure
4510 * the SLI, setup iocb rings and HBQ rings. In the end the function
4511 * calls the config_port_post function to issue init_link mailbox
4512 * command and to start the discovery. The function will return zero
4513 * if successful, else it will return negative error code.
4516 lpfc_sli_hba_setup(struct lpfc_hba
*phba
)
4522 switch (lpfc_sli_mode
) {
4524 if (phba
->cfg_enable_npiv
) {
4525 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4526 "1824 NPIV enabled: Override lpfc_sli_mode "
4527 "parameter (%d) to auto (0).\n",
4537 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4538 "1819 Unrecognized lpfc_sli_mode "
4539 "parameter: %d.\n", lpfc_sli_mode
);
4544 rc
= lpfc_sli_config_port(phba
, mode
);
4546 if (rc
&& lpfc_sli_mode
== 3)
4547 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_VPORT
,
4548 "1820 Unable to select SLI-3. "
4549 "Not supported by adapter.\n");
4550 if (rc
&& mode
!= 2)
4551 rc
= lpfc_sli_config_port(phba
, 2);
4553 goto lpfc_sli_hba_setup_error
;
4555 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
4556 if (phba
->cfg_aer_support
== 1 && !(phba
->hba_flag
& HBA_AER_ENABLED
)) {
4557 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
4559 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4560 "2709 This device supports "
4561 "Advanced Error Reporting (AER)\n");
4562 spin_lock_irq(&phba
->hbalock
);
4563 phba
->hba_flag
|= HBA_AER_ENABLED
;
4564 spin_unlock_irq(&phba
->hbalock
);
4566 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4567 "2708 This device does not support "
4568 "Advanced Error Reporting (AER)\n");
4569 phba
->cfg_aer_support
= 0;
4573 if (phba
->sli_rev
== 3) {
4574 phba
->iocb_cmd_size
= SLI3_IOCB_CMD_SIZE
;
4575 phba
->iocb_rsp_size
= SLI3_IOCB_RSP_SIZE
;
4577 phba
->iocb_cmd_size
= SLI2_IOCB_CMD_SIZE
;
4578 phba
->iocb_rsp_size
= SLI2_IOCB_RSP_SIZE
;
4579 phba
->sli3_options
= 0;
4582 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
4583 "0444 Firmware in SLI %x mode. Max_vpi %d\n",
4584 phba
->sli_rev
, phba
->max_vpi
);
4585 rc
= lpfc_sli_ring_map(phba
);
4588 goto lpfc_sli_hba_setup_error
;
4590 /* Initialize VPIs. */
4591 if (phba
->sli_rev
== LPFC_SLI_REV3
) {
4593 * The VPI bitmask and physical ID array are allocated
4594 * and initialized once only - at driver load. A port
4595 * reset doesn't need to reinitialize this memory.
4597 if ((phba
->vpi_bmask
== NULL
) && (phba
->vpi_ids
== NULL
)) {
4598 longs
= (phba
->max_vpi
+ BITS_PER_LONG
) / BITS_PER_LONG
;
4599 phba
->vpi_bmask
= kzalloc(longs
* sizeof(unsigned long),
4601 if (!phba
->vpi_bmask
) {
4603 goto lpfc_sli_hba_setup_error
;
4606 phba
->vpi_ids
= kzalloc(
4607 (phba
->max_vpi
+1) * sizeof(uint16_t),
4609 if (!phba
->vpi_ids
) {
4610 kfree(phba
->vpi_bmask
);
4612 goto lpfc_sli_hba_setup_error
;
4614 for (i
= 0; i
< phba
->max_vpi
; i
++)
4615 phba
->vpi_ids
[i
] = i
;
4620 if (phba
->sli3_options
& LPFC_SLI3_HBQ_ENABLED
) {
4621 rc
= lpfc_sli_hbq_setup(phba
);
4623 goto lpfc_sli_hba_setup_error
;
4625 spin_lock_irq(&phba
->hbalock
);
4626 phba
->sli
.sli_flag
|= LPFC_PROCESS_LA
;
4627 spin_unlock_irq(&phba
->hbalock
);
4629 rc
= lpfc_config_port_post(phba
);
4631 goto lpfc_sli_hba_setup_error
;
4635 lpfc_sli_hba_setup_error
:
4636 phba
->link_state
= LPFC_HBA_ERROR
;
4637 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
4638 "0445 Firmware initialization failed\n");
4643 * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region
4644 * @phba: Pointer to HBA context object.
4645 * @mboxq: mailbox pointer.
4646 * This function issue a dump mailbox command to read config region
4647 * 23 and parse the records in the region and populate driver
4651 lpfc_sli4_read_fcoe_params(struct lpfc_hba
*phba
)
4653 LPFC_MBOXQ_t
*mboxq
;
4654 struct lpfc_dmabuf
*mp
;
4655 struct lpfc_mqe
*mqe
;
4656 uint32_t data_length
;
4659 /* Program the default value of vlan_id and fc_map */
4660 phba
->valid_vlan
= 0;
4661 phba
->fc_map
[0] = LPFC_FCOE_FCF_MAP0
;
4662 phba
->fc_map
[1] = LPFC_FCOE_FCF_MAP1
;
4663 phba
->fc_map
[2] = LPFC_FCOE_FCF_MAP2
;
4665 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4669 mqe
= &mboxq
->u
.mqe
;
4670 if (lpfc_sli4_dump_cfg_rg23(phba
, mboxq
)) {
4672 goto out_free_mboxq
;
4675 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
4676 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4678 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
4679 "(%d):2571 Mailbox cmd x%x Status x%x "
4680 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x "
4681 "x%x x%x x%x x%x x%x x%x x%x x%x x%x "
4682 "CQ: x%x x%x x%x x%x\n",
4683 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
4684 bf_get(lpfc_mqe_command
, mqe
),
4685 bf_get(lpfc_mqe_status
, mqe
),
4686 mqe
->un
.mb_words
[0], mqe
->un
.mb_words
[1],
4687 mqe
->un
.mb_words
[2], mqe
->un
.mb_words
[3],
4688 mqe
->un
.mb_words
[4], mqe
->un
.mb_words
[5],
4689 mqe
->un
.mb_words
[6], mqe
->un
.mb_words
[7],
4690 mqe
->un
.mb_words
[8], mqe
->un
.mb_words
[9],
4691 mqe
->un
.mb_words
[10], mqe
->un
.mb_words
[11],
4692 mqe
->un
.mb_words
[12], mqe
->un
.mb_words
[13],
4693 mqe
->un
.mb_words
[14], mqe
->un
.mb_words
[15],
4694 mqe
->un
.mb_words
[16], mqe
->un
.mb_words
[50],
4696 mboxq
->mcqe
.mcqe_tag0
, mboxq
->mcqe
.mcqe_tag1
,
4697 mboxq
->mcqe
.trailer
);
4700 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4703 goto out_free_mboxq
;
4705 data_length
= mqe
->un
.mb_words
[5];
4706 if (data_length
> DMP_RGN23_SIZE
) {
4707 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4710 goto out_free_mboxq
;
4713 lpfc_parse_fcoe_conf(phba
, mp
->virt
, data_length
);
4714 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
4719 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4724 * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data
4725 * @phba: pointer to lpfc hba data structure.
4726 * @mboxq: pointer to the LPFC_MBOXQ_t structure.
4727 * @vpd: pointer to the memory to hold resulting port vpd data.
4728 * @vpd_size: On input, the number of bytes allocated to @vpd.
4729 * On output, the number of data bytes in @vpd.
4731 * This routine executes a READ_REV SLI4 mailbox command. In
4732 * addition, this routine gets the port vpd data.
4736 * -ENOMEM - could not allocated memory.
4739 lpfc_sli4_read_rev(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
4740 uint8_t *vpd
, uint32_t *vpd_size
)
4744 struct lpfc_dmabuf
*dmabuf
;
4745 struct lpfc_mqe
*mqe
;
4747 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
4752 * Get a DMA buffer for the vpd data resulting from the READ_REV
4755 dma_size
= *vpd_size
;
4756 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
4760 if (!dmabuf
->virt
) {
4764 memset(dmabuf
->virt
, 0, dma_size
);
4767 * The SLI4 implementation of READ_REV conflicts at word1,
4768 * bits 31:16 and SLI4 adds vpd functionality not present
4769 * in SLI3. This code corrects the conflicts.
4771 lpfc_read_rev(phba
, mboxq
);
4772 mqe
= &mboxq
->u
.mqe
;
4773 mqe
->un
.read_rev
.vpd_paddr_high
= putPaddrHigh(dmabuf
->phys
);
4774 mqe
->un
.read_rev
.vpd_paddr_low
= putPaddrLow(dmabuf
->phys
);
4775 mqe
->un
.read_rev
.word1
&= 0x0000FFFF;
4776 bf_set(lpfc_mbx_rd_rev_vpd
, &mqe
->un
.read_rev
, 1);
4777 bf_set(lpfc_mbx_rd_rev_avail_len
, &mqe
->un
.read_rev
, dma_size
);
4779 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4781 dma_free_coherent(&phba
->pcidev
->dev
, dma_size
,
4782 dmabuf
->virt
, dmabuf
->phys
);
4788 * The available vpd length cannot be bigger than the
4789 * DMA buffer passed to the port. Catch the less than
4790 * case and update the caller's size.
4792 if (mqe
->un
.read_rev
.avail_vpd_len
< *vpd_size
)
4793 *vpd_size
= mqe
->un
.read_rev
.avail_vpd_len
;
4795 memcpy(vpd
, dmabuf
->virt
, *vpd_size
);
4797 dma_free_coherent(&phba
->pcidev
->dev
, dma_size
,
4798 dmabuf
->virt
, dmabuf
->phys
);
4804 * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name
4805 * @phba: pointer to lpfc hba data structure.
4807 * This routine retrieves SLI4 device physical port name this PCI function
4812 * otherwise - failed to retrieve physical port name
4815 lpfc_sli4_retrieve_pport_name(struct lpfc_hba
*phba
)
4817 LPFC_MBOXQ_t
*mboxq
;
4818 struct lpfc_mbx_get_cntl_attributes
*mbx_cntl_attr
;
4819 struct lpfc_controller_attribute
*cntl_attr
;
4820 struct lpfc_mbx_get_port_name
*get_port_name
;
4821 void *virtaddr
= NULL
;
4822 uint32_t alloclen
, reqlen
;
4823 uint32_t shdr_status
, shdr_add_status
;
4824 union lpfc_sli4_cfg_shdr
*shdr
;
4825 char cport_name
= 0;
4828 /* We assume nothing at this point */
4829 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_INVAL
;
4830 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_NON
;
4832 mboxq
= (LPFC_MBOXQ_t
*)mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4835 /* obtain link type and link number via READ_CONFIG */
4836 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_INVAL
;
4837 lpfc_sli4_read_config(phba
);
4838 if (phba
->sli4_hba
.lnk_info
.lnk_dv
== LPFC_LNK_DAT_VAL
)
4839 goto retrieve_ppname
;
4841 /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */
4842 reqlen
= sizeof(struct lpfc_mbx_get_cntl_attributes
);
4843 alloclen
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
4844 LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES
, reqlen
,
4845 LPFC_SLI4_MBX_NEMBED
);
4846 if (alloclen
< reqlen
) {
4847 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
4848 "3084 Allocated DMA memory size (%d) is "
4849 "less than the requested DMA memory size "
4850 "(%d)\n", alloclen
, reqlen
);
4852 goto out_free_mboxq
;
4854 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4855 virtaddr
= mboxq
->sge_array
->addr
[0];
4856 mbx_cntl_attr
= (struct lpfc_mbx_get_cntl_attributes
*)virtaddr
;
4857 shdr
= &mbx_cntl_attr
->cfg_shdr
;
4858 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
4859 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
4860 if (shdr_status
|| shdr_add_status
|| rc
) {
4861 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
4862 "3085 Mailbox x%x (x%x/x%x) failed, "
4863 "rc:x%x, status:x%x, add_status:x%x\n",
4864 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
4865 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
4866 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
4867 rc
, shdr_status
, shdr_add_status
);
4869 goto out_free_mboxq
;
4871 cntl_attr
= &mbx_cntl_attr
->cntl_attr
;
4872 phba
->sli4_hba
.lnk_info
.lnk_dv
= LPFC_LNK_DAT_VAL
;
4873 phba
->sli4_hba
.lnk_info
.lnk_tp
=
4874 bf_get(lpfc_cntl_attr_lnk_type
, cntl_attr
);
4875 phba
->sli4_hba
.lnk_info
.lnk_no
=
4876 bf_get(lpfc_cntl_attr_lnk_numb
, cntl_attr
);
4877 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4878 "3086 lnk_type:%d, lnk_numb:%d\n",
4879 phba
->sli4_hba
.lnk_info
.lnk_tp
,
4880 phba
->sli4_hba
.lnk_info
.lnk_no
);
4883 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_COMMON
,
4884 LPFC_MBOX_OPCODE_GET_PORT_NAME
,
4885 sizeof(struct lpfc_mbx_get_port_name
) -
4886 sizeof(struct lpfc_sli4_cfg_mhdr
),
4887 LPFC_SLI4_MBX_EMBED
);
4888 get_port_name
= &mboxq
->u
.mqe
.un
.get_port_name
;
4889 shdr
= (union lpfc_sli4_cfg_shdr
*)&get_port_name
->header
.cfg_shdr
;
4890 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
, LPFC_OPCODE_VERSION_1
);
4891 bf_set(lpfc_mbx_get_port_name_lnk_type
, &get_port_name
->u
.request
,
4892 phba
->sli4_hba
.lnk_info
.lnk_tp
);
4893 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
4894 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
4895 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
4896 if (shdr_status
|| shdr_add_status
|| rc
) {
4897 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
4898 "3087 Mailbox x%x (x%x/x%x) failed: "
4899 "rc:x%x, status:x%x, add_status:x%x\n",
4900 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
4901 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
4902 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
4903 rc
, shdr_status
, shdr_add_status
);
4905 goto out_free_mboxq
;
4907 switch (phba
->sli4_hba
.lnk_info
.lnk_no
) {
4908 case LPFC_LINK_NUMBER_0
:
4909 cport_name
= bf_get(lpfc_mbx_get_port_name_name0
,
4910 &get_port_name
->u
.response
);
4911 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
4913 case LPFC_LINK_NUMBER_1
:
4914 cport_name
= bf_get(lpfc_mbx_get_port_name_name1
,
4915 &get_port_name
->u
.response
);
4916 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
4918 case LPFC_LINK_NUMBER_2
:
4919 cport_name
= bf_get(lpfc_mbx_get_port_name_name2
,
4920 &get_port_name
->u
.response
);
4921 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
4923 case LPFC_LINK_NUMBER_3
:
4924 cport_name
= bf_get(lpfc_mbx_get_port_name_name3
,
4925 &get_port_name
->u
.response
);
4926 phba
->sli4_hba
.pport_name_sta
= LPFC_SLI4_PPNAME_GET
;
4932 if (phba
->sli4_hba
.pport_name_sta
== LPFC_SLI4_PPNAME_GET
) {
4933 phba
->Port
[0] = cport_name
;
4934 phba
->Port
[1] = '\0';
4935 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
4936 "3091 SLI get port name: %s\n", phba
->Port
);
4940 if (rc
!= MBX_TIMEOUT
) {
4941 if (bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
) == MBX_SLI4_CONFIG
)
4942 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
4944 mempool_free(mboxq
, phba
->mbox_mem_pool
);
4950 * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues
4951 * @phba: pointer to lpfc hba data structure.
4953 * This routine is called to explicitly arm the SLI4 device's completion and
4957 lpfc_sli4_arm_cqeq_intr(struct lpfc_hba
*phba
)
4961 lpfc_sli4_cq_release(phba
->sli4_hba
.mbx_cq
, LPFC_QUEUE_REARM
);
4962 lpfc_sli4_cq_release(phba
->sli4_hba
.els_cq
, LPFC_QUEUE_REARM
);
4964 if (phba
->sli4_hba
.fcp_cq
) {
4966 lpfc_sli4_cq_release(phba
->sli4_hba
.fcp_cq
[fcp_eqidx
],
4968 } while (++fcp_eqidx
< phba
->cfg_fcp_io_channel
);
4970 if (phba
->sli4_hba
.hba_eq
) {
4971 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
;
4973 lpfc_sli4_eq_release(phba
->sli4_hba
.hba_eq
[fcp_eqidx
],
4979 * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count.
4980 * @phba: Pointer to HBA context object.
4981 * @type: The resource extent type.
4982 * @extnt_count: buffer to hold port available extent count.
4983 * @extnt_size: buffer to hold element count per extent.
4985 * This function calls the port and retrievs the number of available
4986 * extents and their size for a particular extent type.
4988 * Returns: 0 if successful. Nonzero otherwise.
4991 lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba
*phba
, uint16_t type
,
4992 uint16_t *extnt_count
, uint16_t *extnt_size
)
4997 struct lpfc_mbx_get_rsrc_extent_info
*rsrc_info
;
5000 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5004 /* Find out how many extents are available for this resource type */
5005 length
= (sizeof(struct lpfc_mbx_get_rsrc_extent_info
) -
5006 sizeof(struct lpfc_sli4_cfg_mhdr
));
5007 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5008 LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO
,
5009 length
, LPFC_SLI4_MBX_EMBED
);
5011 /* Send an extents count of 0 - the GET doesn't use it. */
5012 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, 0, type
,
5013 LPFC_SLI4_MBX_EMBED
);
5019 if (!phba
->sli4_hba
.intr_enable
)
5020 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5022 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
5023 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5030 rsrc_info
= &mbox
->u
.mqe
.un
.rsrc_extent_info
;
5031 if (bf_get(lpfc_mbox_hdr_status
,
5032 &rsrc_info
->header
.cfg_shdr
.response
)) {
5033 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5034 "2930 Failed to get resource extents "
5035 "Status 0x%x Add'l Status 0x%x\n",
5036 bf_get(lpfc_mbox_hdr_status
,
5037 &rsrc_info
->header
.cfg_shdr
.response
),
5038 bf_get(lpfc_mbox_hdr_add_status
,
5039 &rsrc_info
->header
.cfg_shdr
.response
));
5044 *extnt_count
= bf_get(lpfc_mbx_get_rsrc_extent_info_cnt
,
5046 *extnt_size
= bf_get(lpfc_mbx_get_rsrc_extent_info_size
,
5049 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
5050 "3162 Retrieved extents type-%d from port: count:%d, "
5051 "size:%d\n", type
, *extnt_count
, *extnt_size
);
5054 mempool_free(mbox
, phba
->mbox_mem_pool
);
5059 * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents.
5060 * @phba: Pointer to HBA context object.
5061 * @type: The extent type to check.
5063 * This function reads the current available extents from the port and checks
5064 * if the extent count or extent size has changed since the last access.
5065 * Callers use this routine post port reset to understand if there is a
5066 * extent reprovisioning requirement.
5069 * -Error: error indicates problem.
5070 * 1: Extent count or size has changed.
5074 lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba
*phba
, uint16_t type
)
5076 uint16_t curr_ext_cnt
, rsrc_ext_cnt
;
5077 uint16_t size_diff
, rsrc_ext_size
;
5079 struct lpfc_rsrc_blks
*rsrc_entry
;
5080 struct list_head
*rsrc_blk_list
= NULL
;
5084 rc
= lpfc_sli4_get_avail_extnt_rsrc(phba
, type
,
5091 case LPFC_RSC_TYPE_FCOE_RPI
:
5092 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
5094 case LPFC_RSC_TYPE_FCOE_VPI
:
5095 rsrc_blk_list
= &phba
->lpfc_vpi_blk_list
;
5097 case LPFC_RSC_TYPE_FCOE_XRI
:
5098 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
5100 case LPFC_RSC_TYPE_FCOE_VFI
:
5101 rsrc_blk_list
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
5107 list_for_each_entry(rsrc_entry
, rsrc_blk_list
, list
) {
5109 if (rsrc_entry
->rsrc_size
!= rsrc_ext_size
)
5113 if (curr_ext_cnt
!= rsrc_ext_cnt
|| size_diff
!= 0)
5120 * lpfc_sli4_cfg_post_extnts -
5121 * @phba: Pointer to HBA context object.
5122 * @extnt_cnt - number of available extents.
5123 * @type - the extent type (rpi, xri, vfi, vpi).
5124 * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation.
5125 * @mbox - pointer to the caller's allocated mailbox structure.
5127 * This function executes the extents allocation request. It also
5128 * takes care of the amount of memory needed to allocate or get the
5129 * allocated extents. It is the caller's responsibility to evaluate
5133 * -Error: Error value describes the condition found.
5137 lpfc_sli4_cfg_post_extnts(struct lpfc_hba
*phba
, uint16_t extnt_cnt
,
5138 uint16_t type
, bool *emb
, LPFC_MBOXQ_t
*mbox
)
5143 uint32_t alloc_len
, mbox_tmo
;
5145 /* Calculate the total requested length of the dma memory */
5146 req_len
= extnt_cnt
* sizeof(uint16_t);
5149 * Calculate the size of an embedded mailbox. The uint32_t
5150 * accounts for extents-specific word.
5152 emb_len
= sizeof(MAILBOX_t
) - sizeof(struct mbox_header
) -
5156 * Presume the allocation and response will fit into an embedded
5157 * mailbox. If not true, reconfigure to a non-embedded mailbox.
5159 *emb
= LPFC_SLI4_MBX_EMBED
;
5160 if (req_len
> emb_len
) {
5161 req_len
= extnt_cnt
* sizeof(uint16_t) +
5162 sizeof(union lpfc_sli4_cfg_shdr
) +
5164 *emb
= LPFC_SLI4_MBX_NEMBED
;
5167 alloc_len
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5168 LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT
,
5170 if (alloc_len
< req_len
) {
5171 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5172 "2982 Allocated DMA memory size (x%x) is "
5173 "less than the requested DMA memory "
5174 "size (x%x)\n", alloc_len
, req_len
);
5177 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, extnt_cnt
, type
, *emb
);
5181 if (!phba
->sli4_hba
.intr_enable
)
5182 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5184 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
5185 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5194 * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent.
5195 * @phba: Pointer to HBA context object.
5196 * @type: The resource extent type to allocate.
5198 * This function allocates the number of elements for the specified
5202 lpfc_sli4_alloc_extent(struct lpfc_hba
*phba
, uint16_t type
)
5205 uint16_t rsrc_id_cnt
, rsrc_cnt
, rsrc_size
;
5206 uint16_t rsrc_id
, rsrc_start
, j
, k
;
5209 unsigned long longs
;
5210 unsigned long *bmask
;
5211 struct lpfc_rsrc_blks
*rsrc_blks
;
5214 struct lpfc_id_range
*id_array
= NULL
;
5215 void *virtaddr
= NULL
;
5216 struct lpfc_mbx_nembed_rsrc_extent
*n_rsrc
;
5217 struct lpfc_mbx_alloc_rsrc_extents
*rsrc_ext
;
5218 struct list_head
*ext_blk_list
;
5220 rc
= lpfc_sli4_get_avail_extnt_rsrc(phba
, type
,
5226 if ((rsrc_cnt
== 0) || (rsrc_size
== 0)) {
5227 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5228 "3009 No available Resource Extents "
5229 "for resource type 0x%x: Count: 0x%x, "
5230 "Size 0x%x\n", type
, rsrc_cnt
,
5235 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_INIT
| LOG_SLI
,
5236 "2903 Post resource extents type-0x%x: "
5237 "count:%d, size %d\n", type
, rsrc_cnt
, rsrc_size
);
5239 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5243 rc
= lpfc_sli4_cfg_post_extnts(phba
, rsrc_cnt
, type
, &emb
, mbox
);
5250 * Figure out where the response is located. Then get local pointers
5251 * to the response data. The port does not guarantee to respond to
5252 * all extents counts request so update the local variable with the
5253 * allocated count from the port.
5255 if (emb
== LPFC_SLI4_MBX_EMBED
) {
5256 rsrc_ext
= &mbox
->u
.mqe
.un
.alloc_rsrc_extents
;
5257 id_array
= &rsrc_ext
->u
.rsp
.id
[0];
5258 rsrc_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, &rsrc_ext
->u
.rsp
);
5260 virtaddr
= mbox
->sge_array
->addr
[0];
5261 n_rsrc
= (struct lpfc_mbx_nembed_rsrc_extent
*) virtaddr
;
5262 rsrc_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, n_rsrc
);
5263 id_array
= &n_rsrc
->id
;
5266 longs
= ((rsrc_cnt
* rsrc_size
) + BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5267 rsrc_id_cnt
= rsrc_cnt
* rsrc_size
;
5270 * Based on the resource size and count, correct the base and max
5273 length
= sizeof(struct lpfc_rsrc_blks
);
5275 case LPFC_RSC_TYPE_FCOE_RPI
:
5276 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
*
5277 sizeof(unsigned long),
5279 if (unlikely(!phba
->sli4_hba
.rpi_bmask
)) {
5283 phba
->sli4_hba
.rpi_ids
= kzalloc(rsrc_id_cnt
*
5286 if (unlikely(!phba
->sli4_hba
.rpi_ids
)) {
5287 kfree(phba
->sli4_hba
.rpi_bmask
);
5293 * The next_rpi was initialized with the maximum available
5294 * count but the port may allocate a smaller number. Catch
5295 * that case and update the next_rpi.
5297 phba
->sli4_hba
.next_rpi
= rsrc_id_cnt
;
5299 /* Initialize local ptrs for common extent processing later. */
5300 bmask
= phba
->sli4_hba
.rpi_bmask
;
5301 ids
= phba
->sli4_hba
.rpi_ids
;
5302 ext_blk_list
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
5304 case LPFC_RSC_TYPE_FCOE_VPI
:
5305 phba
->vpi_bmask
= kzalloc(longs
*
5306 sizeof(unsigned long),
5308 if (unlikely(!phba
->vpi_bmask
)) {
5312 phba
->vpi_ids
= kzalloc(rsrc_id_cnt
*
5315 if (unlikely(!phba
->vpi_ids
)) {
5316 kfree(phba
->vpi_bmask
);
5321 /* Initialize local ptrs for common extent processing later. */
5322 bmask
= phba
->vpi_bmask
;
5323 ids
= phba
->vpi_ids
;
5324 ext_blk_list
= &phba
->lpfc_vpi_blk_list
;
5326 case LPFC_RSC_TYPE_FCOE_XRI
:
5327 phba
->sli4_hba
.xri_bmask
= kzalloc(longs
*
5328 sizeof(unsigned long),
5330 if (unlikely(!phba
->sli4_hba
.xri_bmask
)) {
5334 phba
->sli4_hba
.max_cfg_param
.xri_used
= 0;
5335 phba
->sli4_hba
.xri_ids
= kzalloc(rsrc_id_cnt
*
5338 if (unlikely(!phba
->sli4_hba
.xri_ids
)) {
5339 kfree(phba
->sli4_hba
.xri_bmask
);
5344 /* Initialize local ptrs for common extent processing later. */
5345 bmask
= phba
->sli4_hba
.xri_bmask
;
5346 ids
= phba
->sli4_hba
.xri_ids
;
5347 ext_blk_list
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
5349 case LPFC_RSC_TYPE_FCOE_VFI
:
5350 phba
->sli4_hba
.vfi_bmask
= kzalloc(longs
*
5351 sizeof(unsigned long),
5353 if (unlikely(!phba
->sli4_hba
.vfi_bmask
)) {
5357 phba
->sli4_hba
.vfi_ids
= kzalloc(rsrc_id_cnt
*
5360 if (unlikely(!phba
->sli4_hba
.vfi_ids
)) {
5361 kfree(phba
->sli4_hba
.vfi_bmask
);
5366 /* Initialize local ptrs for common extent processing later. */
5367 bmask
= phba
->sli4_hba
.vfi_bmask
;
5368 ids
= phba
->sli4_hba
.vfi_ids
;
5369 ext_blk_list
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
5372 /* Unsupported Opcode. Fail call. */
5376 ext_blk_list
= NULL
;
5381 * Complete initializing the extent configuration with the
5382 * allocated ids assigned to this function. The bitmask serves
5383 * as an index into the array and manages the available ids. The
5384 * array just stores the ids communicated to the port via the wqes.
5386 for (i
= 0, j
= 0, k
= 0; i
< rsrc_cnt
; i
++) {
5388 rsrc_id
= bf_get(lpfc_mbx_rsrc_id_word4_0
,
5391 rsrc_id
= bf_get(lpfc_mbx_rsrc_id_word4_1
,
5394 rsrc_blks
= kzalloc(length
, GFP_KERNEL
);
5395 if (unlikely(!rsrc_blks
)) {
5401 rsrc_blks
->rsrc_start
= rsrc_id
;
5402 rsrc_blks
->rsrc_size
= rsrc_size
;
5403 list_add_tail(&rsrc_blks
->list
, ext_blk_list
);
5404 rsrc_start
= rsrc_id
;
5405 if ((type
== LPFC_RSC_TYPE_FCOE_XRI
) && (j
== 0))
5406 phba
->sli4_hba
.scsi_xri_start
= rsrc_start
+
5407 lpfc_sli4_get_els_iocb_cnt(phba
);
5409 while (rsrc_id
< (rsrc_start
+ rsrc_size
)) {
5414 /* Entire word processed. Get next word.*/
5419 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
5424 * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent.
5425 * @phba: Pointer to HBA context object.
5426 * @type: the extent's type.
5428 * This function deallocates all extents of a particular resource type.
5429 * SLI4 does not allow for deallocating a particular extent range. It
5430 * is the caller's responsibility to release all kernel memory resources.
5433 lpfc_sli4_dealloc_extent(struct lpfc_hba
*phba
, uint16_t type
)
5436 uint32_t length
, mbox_tmo
= 0;
5438 struct lpfc_mbx_dealloc_rsrc_extents
*dealloc_rsrc
;
5439 struct lpfc_rsrc_blks
*rsrc_blk
, *rsrc_blk_next
;
5441 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5446 * This function sends an embedded mailbox because it only sends the
5447 * the resource type. All extents of this type are released by the
5450 length
= (sizeof(struct lpfc_mbx_dealloc_rsrc_extents
) -
5451 sizeof(struct lpfc_sli4_cfg_mhdr
));
5452 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5453 LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT
,
5454 length
, LPFC_SLI4_MBX_EMBED
);
5456 /* Send an extents count of 0 - the dealloc doesn't use it. */
5457 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, 0, type
,
5458 LPFC_SLI4_MBX_EMBED
);
5463 if (!phba
->sli4_hba
.intr_enable
)
5464 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5466 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
5467 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5474 dealloc_rsrc
= &mbox
->u
.mqe
.un
.dealloc_rsrc_extents
;
5475 if (bf_get(lpfc_mbox_hdr_status
,
5476 &dealloc_rsrc
->header
.cfg_shdr
.response
)) {
5477 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5478 "2919 Failed to release resource extents "
5479 "for type %d - Status 0x%x Add'l Status 0x%x. "
5480 "Resource memory not released.\n",
5482 bf_get(lpfc_mbox_hdr_status
,
5483 &dealloc_rsrc
->header
.cfg_shdr
.response
),
5484 bf_get(lpfc_mbox_hdr_add_status
,
5485 &dealloc_rsrc
->header
.cfg_shdr
.response
));
5490 /* Release kernel memory resources for the specific type. */
5492 case LPFC_RSC_TYPE_FCOE_VPI
:
5493 kfree(phba
->vpi_bmask
);
5494 kfree(phba
->vpi_ids
);
5495 bf_set(lpfc_vpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5496 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5497 &phba
->lpfc_vpi_blk_list
, list
) {
5498 list_del_init(&rsrc_blk
->list
);
5502 case LPFC_RSC_TYPE_FCOE_XRI
:
5503 kfree(phba
->sli4_hba
.xri_bmask
);
5504 kfree(phba
->sli4_hba
.xri_ids
);
5505 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5506 &phba
->sli4_hba
.lpfc_xri_blk_list
, list
) {
5507 list_del_init(&rsrc_blk
->list
);
5511 case LPFC_RSC_TYPE_FCOE_VFI
:
5512 kfree(phba
->sli4_hba
.vfi_bmask
);
5513 kfree(phba
->sli4_hba
.vfi_ids
);
5514 bf_set(lpfc_vfi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5515 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5516 &phba
->sli4_hba
.lpfc_vfi_blk_list
, list
) {
5517 list_del_init(&rsrc_blk
->list
);
5521 case LPFC_RSC_TYPE_FCOE_RPI
:
5522 /* RPI bitmask and physical id array are cleaned up earlier. */
5523 list_for_each_entry_safe(rsrc_blk
, rsrc_blk_next
,
5524 &phba
->sli4_hba
.lpfc_rpi_blk_list
, list
) {
5525 list_del_init(&rsrc_blk
->list
);
5533 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5536 mempool_free(mbox
, phba
->mbox_mem_pool
);
5541 * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents.
5542 * @phba: Pointer to HBA context object.
5544 * This function allocates all SLI4 resource identifiers.
5547 lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba
*phba
)
5549 int i
, rc
, error
= 0;
5550 uint16_t count
, base
;
5551 unsigned long longs
;
5553 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
5554 phba
->sli4_hba
.next_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
5555 if (phba
->sli4_hba
.extents_in_use
) {
5557 * The port supports resource extents. The XRI, VPI, VFI, RPI
5558 * resource extent count must be read and allocated before
5559 * provisioning the resource id arrays.
5561 if (bf_get(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) ==
5562 LPFC_IDX_RSRC_RDY
) {
5564 * Extent-based resources are set - the driver could
5565 * be in a port reset. Figure out if any corrective
5566 * actions need to be taken.
5568 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5569 LPFC_RSC_TYPE_FCOE_VFI
);
5572 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5573 LPFC_RSC_TYPE_FCOE_VPI
);
5576 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5577 LPFC_RSC_TYPE_FCOE_XRI
);
5580 rc
= lpfc_sli4_chk_avail_extnt_rsrc(phba
,
5581 LPFC_RSC_TYPE_FCOE_RPI
);
5586 * It's possible that the number of resources
5587 * provided to this port instance changed between
5588 * resets. Detect this condition and reallocate
5589 * resources. Otherwise, there is no action.
5592 lpfc_printf_log(phba
, KERN_INFO
,
5593 LOG_MBOX
| LOG_INIT
,
5594 "2931 Detected extent resource "
5595 "change. Reallocating all "
5597 rc
= lpfc_sli4_dealloc_extent(phba
,
5598 LPFC_RSC_TYPE_FCOE_VFI
);
5599 rc
= lpfc_sli4_dealloc_extent(phba
,
5600 LPFC_RSC_TYPE_FCOE_VPI
);
5601 rc
= lpfc_sli4_dealloc_extent(phba
,
5602 LPFC_RSC_TYPE_FCOE_XRI
);
5603 rc
= lpfc_sli4_dealloc_extent(phba
,
5604 LPFC_RSC_TYPE_FCOE_RPI
);
5609 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VFI
);
5613 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VPI
);
5617 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_RPI
);
5621 rc
= lpfc_sli4_alloc_extent(phba
, LPFC_RSC_TYPE_FCOE_XRI
);
5624 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
5629 * The port does not support resource extents. The XRI, VPI,
5630 * VFI, RPI resource ids were determined from READ_CONFIG.
5631 * Just allocate the bitmasks and provision the resource id
5632 * arrays. If a port reset is active, the resources don't
5633 * need any action - just exit.
5635 if (bf_get(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) ==
5636 LPFC_IDX_RSRC_RDY
) {
5637 lpfc_sli4_dealloc_resource_identifiers(phba
);
5638 lpfc_sli4_remove_rpis(phba
);
5641 count
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
5642 base
= phba
->sli4_hba
.max_cfg_param
.rpi_base
;
5643 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5644 phba
->sli4_hba
.rpi_bmask
= kzalloc(longs
*
5645 sizeof(unsigned long),
5647 if (unlikely(!phba
->sli4_hba
.rpi_bmask
)) {
5651 phba
->sli4_hba
.rpi_ids
= kzalloc(count
*
5654 if (unlikely(!phba
->sli4_hba
.rpi_ids
)) {
5656 goto free_rpi_bmask
;
5659 for (i
= 0; i
< count
; i
++)
5660 phba
->sli4_hba
.rpi_ids
[i
] = base
+ i
;
5663 count
= phba
->sli4_hba
.max_cfg_param
.max_vpi
;
5664 base
= phba
->sli4_hba
.max_cfg_param
.vpi_base
;
5665 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5666 phba
->vpi_bmask
= kzalloc(longs
*
5667 sizeof(unsigned long),
5669 if (unlikely(!phba
->vpi_bmask
)) {
5673 phba
->vpi_ids
= kzalloc(count
*
5676 if (unlikely(!phba
->vpi_ids
)) {
5678 goto free_vpi_bmask
;
5681 for (i
= 0; i
< count
; i
++)
5682 phba
->vpi_ids
[i
] = base
+ i
;
5685 count
= phba
->sli4_hba
.max_cfg_param
.max_xri
;
5686 base
= phba
->sli4_hba
.max_cfg_param
.xri_base
;
5687 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5688 phba
->sli4_hba
.xri_bmask
= kzalloc(longs
*
5689 sizeof(unsigned long),
5691 if (unlikely(!phba
->sli4_hba
.xri_bmask
)) {
5695 phba
->sli4_hba
.max_cfg_param
.xri_used
= 0;
5696 phba
->sli4_hba
.xri_ids
= kzalloc(count
*
5699 if (unlikely(!phba
->sli4_hba
.xri_ids
)) {
5701 goto free_xri_bmask
;
5704 for (i
= 0; i
< count
; i
++)
5705 phba
->sli4_hba
.xri_ids
[i
] = base
+ i
;
5708 count
= phba
->sli4_hba
.max_cfg_param
.max_vfi
;
5709 base
= phba
->sli4_hba
.max_cfg_param
.vfi_base
;
5710 longs
= (count
+ BITS_PER_LONG
- 1) / BITS_PER_LONG
;
5711 phba
->sli4_hba
.vfi_bmask
= kzalloc(longs
*
5712 sizeof(unsigned long),
5714 if (unlikely(!phba
->sli4_hba
.vfi_bmask
)) {
5718 phba
->sli4_hba
.vfi_ids
= kzalloc(count
*
5721 if (unlikely(!phba
->sli4_hba
.vfi_ids
)) {
5723 goto free_vfi_bmask
;
5726 for (i
= 0; i
< count
; i
++)
5727 phba
->sli4_hba
.vfi_ids
[i
] = base
+ i
;
5730 * Mark all resources ready. An HBA reset doesn't need
5731 * to reset the initialization.
5733 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
5739 kfree(phba
->sli4_hba
.vfi_bmask
);
5741 kfree(phba
->sli4_hba
.xri_ids
);
5743 kfree(phba
->sli4_hba
.xri_bmask
);
5745 kfree(phba
->vpi_ids
);
5747 kfree(phba
->vpi_bmask
);
5749 kfree(phba
->sli4_hba
.rpi_ids
);
5751 kfree(phba
->sli4_hba
.rpi_bmask
);
5757 * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents.
5758 * @phba: Pointer to HBA context object.
5760 * This function allocates the number of elements for the specified
5764 lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba
*phba
)
5766 if (phba
->sli4_hba
.extents_in_use
) {
5767 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VPI
);
5768 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_RPI
);
5769 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_XRI
);
5770 lpfc_sli4_dealloc_extent(phba
, LPFC_RSC_TYPE_FCOE_VFI
);
5772 kfree(phba
->vpi_bmask
);
5773 kfree(phba
->vpi_ids
);
5774 bf_set(lpfc_vpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5775 kfree(phba
->sli4_hba
.xri_bmask
);
5776 kfree(phba
->sli4_hba
.xri_ids
);
5777 kfree(phba
->sli4_hba
.vfi_bmask
);
5778 kfree(phba
->sli4_hba
.vfi_ids
);
5779 bf_set(lpfc_vfi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5780 bf_set(lpfc_idx_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
5787 * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents.
5788 * @phba: Pointer to HBA context object.
5789 * @type: The resource extent type.
5790 * @extnt_count: buffer to hold port extent count response
5791 * @extnt_size: buffer to hold port extent size response.
5793 * This function calls the port to read the host allocated extents
5794 * for a particular type.
5797 lpfc_sli4_get_allocated_extnts(struct lpfc_hba
*phba
, uint16_t type
,
5798 uint16_t *extnt_cnt
, uint16_t *extnt_size
)
5802 uint16_t curr_blks
= 0;
5803 uint32_t req_len
, emb_len
;
5804 uint32_t alloc_len
, mbox_tmo
;
5805 struct list_head
*blk_list_head
;
5806 struct lpfc_rsrc_blks
*rsrc_blk
;
5808 void *virtaddr
= NULL
;
5809 struct lpfc_mbx_nembed_rsrc_extent
*n_rsrc
;
5810 struct lpfc_mbx_alloc_rsrc_extents
*rsrc_ext
;
5811 union lpfc_sli4_cfg_shdr
*shdr
;
5814 case LPFC_RSC_TYPE_FCOE_VPI
:
5815 blk_list_head
= &phba
->lpfc_vpi_blk_list
;
5817 case LPFC_RSC_TYPE_FCOE_XRI
:
5818 blk_list_head
= &phba
->sli4_hba
.lpfc_xri_blk_list
;
5820 case LPFC_RSC_TYPE_FCOE_VFI
:
5821 blk_list_head
= &phba
->sli4_hba
.lpfc_vfi_blk_list
;
5823 case LPFC_RSC_TYPE_FCOE_RPI
:
5824 blk_list_head
= &phba
->sli4_hba
.lpfc_rpi_blk_list
;
5830 /* Count the number of extents currently allocatd for this type. */
5831 list_for_each_entry(rsrc_blk
, blk_list_head
, list
) {
5832 if (curr_blks
== 0) {
5834 * The GET_ALLOCATED mailbox does not return the size,
5835 * just the count. The size should be just the size
5836 * stored in the current allocated block and all sizes
5837 * for an extent type are the same so set the return
5840 *extnt_size
= rsrc_blk
->rsrc_size
;
5845 /* Calculate the total requested length of the dma memory. */
5846 req_len
= curr_blks
* sizeof(uint16_t);
5849 * Calculate the size of an embedded mailbox. The uint32_t
5850 * accounts for extents-specific word.
5852 emb_len
= sizeof(MAILBOX_t
) - sizeof(struct mbox_header
) -
5856 * Presume the allocation and response will fit into an embedded
5857 * mailbox. If not true, reconfigure to a non-embedded mailbox.
5859 emb
= LPFC_SLI4_MBX_EMBED
;
5861 if (req_len
> emb_len
) {
5862 req_len
= curr_blks
* sizeof(uint16_t) +
5863 sizeof(union lpfc_sli4_cfg_shdr
) +
5865 emb
= LPFC_SLI4_MBX_NEMBED
;
5868 mbox
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
5871 memset(mbox
, 0, sizeof(LPFC_MBOXQ_t
));
5873 alloc_len
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
5874 LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT
,
5876 if (alloc_len
< req_len
) {
5877 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
5878 "2983 Allocated DMA memory size (x%x) is "
5879 "less than the requested DMA memory "
5880 "size (x%x)\n", alloc_len
, req_len
);
5884 rc
= lpfc_sli4_mbox_rsrc_extent(phba
, mbox
, curr_blks
, type
, emb
);
5890 if (!phba
->sli4_hba
.intr_enable
)
5891 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
5893 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
5894 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
5903 * Figure out where the response is located. Then get local pointers
5904 * to the response data. The port does not guarantee to respond to
5905 * all extents counts request so update the local variable with the
5906 * allocated count from the port.
5908 if (emb
== LPFC_SLI4_MBX_EMBED
) {
5909 rsrc_ext
= &mbox
->u
.mqe
.un
.alloc_rsrc_extents
;
5910 shdr
= &rsrc_ext
->header
.cfg_shdr
;
5911 *extnt_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, &rsrc_ext
->u
.rsp
);
5913 virtaddr
= mbox
->sge_array
->addr
[0];
5914 n_rsrc
= (struct lpfc_mbx_nembed_rsrc_extent
*) virtaddr
;
5915 shdr
= &n_rsrc
->cfg_shdr
;
5916 *extnt_cnt
= bf_get(lpfc_mbx_rsrc_cnt
, n_rsrc
);
5919 if (bf_get(lpfc_mbox_hdr_status
, &shdr
->response
)) {
5920 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_INIT
,
5921 "2984 Failed to read allocated resources "
5922 "for type %d - Status 0x%x Add'l Status 0x%x.\n",
5924 bf_get(lpfc_mbox_hdr_status
, &shdr
->response
),
5925 bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
));
5930 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
5935 * lpfc_sli4_repost_els_sgl_list - Repsot the els buffers sgl pages as block
5936 * @phba: pointer to lpfc hba data structure.
5938 * This routine walks the list of els buffers that have been allocated and
5939 * repost them to the port by using SGL block post. This is needed after a
5940 * pci_function_reset/warm_start or start. It attempts to construct blocks
5941 * of els buffer sgls which contains contiguous xris and uses the non-embedded
5942 * SGL block post mailbox commands to post them to the port. For single els
5943 * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post
5944 * mailbox command for posting.
5946 * Returns: 0 = success, non-zero failure.
5949 lpfc_sli4_repost_els_sgl_list(struct lpfc_hba
*phba
)
5951 struct lpfc_sglq
*sglq_entry
= NULL
;
5952 struct lpfc_sglq
*sglq_entry_next
= NULL
;
5953 struct lpfc_sglq
*sglq_entry_first
= NULL
;
5954 int status
, post_cnt
= 0, num_posted
= 0, block_cnt
= 0;
5955 int last_xritag
= NO_XRI
;
5956 LIST_HEAD(prep_sgl_list
);
5957 LIST_HEAD(blck_sgl_list
);
5958 LIST_HEAD(allc_sgl_list
);
5959 LIST_HEAD(post_sgl_list
);
5960 LIST_HEAD(free_sgl_list
);
5962 spin_lock(&phba
->hbalock
);
5963 list_splice_init(&phba
->sli4_hba
.lpfc_sgl_list
, &allc_sgl_list
);
5964 spin_unlock(&phba
->hbalock
);
5966 list_for_each_entry_safe(sglq_entry
, sglq_entry_next
,
5967 &allc_sgl_list
, list
) {
5968 list_del_init(&sglq_entry
->list
);
5970 if ((last_xritag
!= NO_XRI
) &&
5971 (sglq_entry
->sli4_xritag
!= last_xritag
+ 1)) {
5972 /* a hole in xri block, form a sgl posting block */
5973 list_splice_init(&prep_sgl_list
, &blck_sgl_list
);
5974 post_cnt
= block_cnt
- 1;
5975 /* prepare list for next posting block */
5976 list_add_tail(&sglq_entry
->list
, &prep_sgl_list
);
5979 /* prepare list for next posting block */
5980 list_add_tail(&sglq_entry
->list
, &prep_sgl_list
);
5981 /* enough sgls for non-embed sgl mbox command */
5982 if (block_cnt
== LPFC_NEMBED_MBOX_SGL_CNT
) {
5983 list_splice_init(&prep_sgl_list
,
5985 post_cnt
= block_cnt
;
5991 /* keep track of last sgl's xritag */
5992 last_xritag
= sglq_entry
->sli4_xritag
;
5994 /* end of repost sgl list condition for els buffers */
5995 if (num_posted
== phba
->sli4_hba
.els_xri_cnt
) {
5996 if (post_cnt
== 0) {
5997 list_splice_init(&prep_sgl_list
,
5999 post_cnt
= block_cnt
;
6000 } else if (block_cnt
== 1) {
6001 status
= lpfc_sli4_post_sgl(phba
,
6002 sglq_entry
->phys
, 0,
6003 sglq_entry
->sli4_xritag
);
6005 /* successful, put sgl to posted list */
6006 list_add_tail(&sglq_entry
->list
,
6009 /* Failure, put sgl to free list */
6010 lpfc_printf_log(phba
, KERN_WARNING
,
6012 "3159 Failed to post els "
6013 "sgl, xritag:x%x\n",
6014 sglq_entry
->sli4_xritag
);
6015 list_add_tail(&sglq_entry
->list
,
6017 spin_lock_irq(&phba
->hbalock
);
6018 phba
->sli4_hba
.els_xri_cnt
--;
6019 spin_unlock_irq(&phba
->hbalock
);
6024 /* continue until a nembed page worth of sgls */
6028 /* post the els buffer list sgls as a block */
6029 status
= lpfc_sli4_post_els_sgl_list(phba
, &blck_sgl_list
,
6033 /* success, put sgl list to posted sgl list */
6034 list_splice_init(&blck_sgl_list
, &post_sgl_list
);
6036 /* Failure, put sgl list to free sgl list */
6037 sglq_entry_first
= list_first_entry(&blck_sgl_list
,
6040 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
6041 "3160 Failed to post els sgl-list, "
6043 sglq_entry_first
->sli4_xritag
,
6044 (sglq_entry_first
->sli4_xritag
+
6046 list_splice_init(&blck_sgl_list
, &free_sgl_list
);
6047 spin_lock_irq(&phba
->hbalock
);
6048 phba
->sli4_hba
.els_xri_cnt
-= post_cnt
;
6049 spin_unlock_irq(&phba
->hbalock
);
6052 /* don't reset xirtag due to hole in xri block */
6054 last_xritag
= NO_XRI
;
6056 /* reset els sgl post count for next round of posting */
6060 /* free the els sgls failed to post */
6061 lpfc_free_sgl_list(phba
, &free_sgl_list
);
6063 /* push els sgls posted to the availble list */
6064 if (!list_empty(&post_sgl_list
)) {
6065 spin_lock(&phba
->hbalock
);
6066 list_splice_init(&post_sgl_list
,
6067 &phba
->sli4_hba
.lpfc_sgl_list
);
6068 spin_unlock(&phba
->hbalock
);
6070 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
6071 "3161 Failure to post els sgl to port.\n");
6078 * lpfc_sli4_hba_setup - SLI4 device intialization PCI function
6079 * @phba: Pointer to HBA context object.
6081 * This function is the main SLI4 device intialization PCI function. This
6082 * function is called by the HBA intialization code, HBA reset code and
6083 * HBA error attention handler code. Caller is not required to hold any
6087 lpfc_sli4_hba_setup(struct lpfc_hba
*phba
)
6090 LPFC_MBOXQ_t
*mboxq
;
6091 struct lpfc_mqe
*mqe
;
6094 uint32_t ftr_rsp
= 0;
6095 struct Scsi_Host
*shost
= lpfc_shost_from_vport(phba
->pport
);
6096 struct lpfc_vport
*vport
= phba
->pport
;
6097 struct lpfc_dmabuf
*mp
;
6099 /* Perform a PCI function reset to start from clean */
6100 rc
= lpfc_pci_function_reset(phba
);
6104 /* Check the HBA Host Status Register for readyness */
6105 rc
= lpfc_sli4_post_status_check(phba
);
6109 spin_lock_irq(&phba
->hbalock
);
6110 phba
->sli
.sli_flag
|= LPFC_SLI_ACTIVE
;
6111 spin_unlock_irq(&phba
->hbalock
);
6115 * Allocate a single mailbox container for initializing the
6118 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
6122 /* Issue READ_REV to collect vpd and FW information. */
6123 vpd_size
= SLI4_PAGE_SIZE
;
6124 vpd
= kzalloc(vpd_size
, GFP_KERNEL
);
6130 rc
= lpfc_sli4_read_rev(phba
, mboxq
, vpd
, &vpd_size
);
6135 mqe
= &mboxq
->u
.mqe
;
6136 phba
->sli_rev
= bf_get(lpfc_mbx_rd_rev_sli_lvl
, &mqe
->un
.read_rev
);
6137 if (bf_get(lpfc_mbx_rd_rev_fcoe
, &mqe
->un
.read_rev
))
6138 phba
->hba_flag
|= HBA_FCOE_MODE
;
6140 phba
->hba_flag
&= ~HBA_FCOE_MODE
;
6142 if (bf_get(lpfc_mbx_rd_rev_cee_ver
, &mqe
->un
.read_rev
) ==
6144 phba
->hba_flag
|= HBA_FIP_SUPPORT
;
6146 phba
->hba_flag
&= ~HBA_FIP_SUPPORT
;
6148 phba
->hba_flag
&= ~HBA_FCP_IOQ_FLUSH
;
6150 if (phba
->sli_rev
!= LPFC_SLI_REV4
) {
6151 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6152 "0376 READ_REV Error. SLI Level %d "
6153 "FCoE enabled %d\n",
6154 phba
->sli_rev
, phba
->hba_flag
& HBA_FCOE_MODE
);
6161 * Continue initialization with default values even if driver failed
6162 * to read FCoE param config regions, only read parameters if the
6165 if (phba
->hba_flag
& HBA_FCOE_MODE
&&
6166 lpfc_sli4_read_fcoe_params(phba
))
6167 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_INIT
,
6168 "2570 Failed to read FCoE parameters\n");
6171 * Retrieve sli4 device physical port name, failure of doing it
6172 * is considered as non-fatal.
6174 rc
= lpfc_sli4_retrieve_pport_name(phba
);
6176 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6177 "3080 Successful retrieving SLI4 device "
6178 "physical port name: %s.\n", phba
->Port
);
6181 * Evaluate the read rev and vpd data. Populate the driver
6182 * state with the results. If this routine fails, the failure
6183 * is not fatal as the driver will use generic values.
6185 rc
= lpfc_parse_vpd(phba
, vpd
, vpd_size
);
6186 if (unlikely(!rc
)) {
6187 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6188 "0377 Error %d parsing vpd. "
6189 "Using defaults.\n", rc
);
6194 /* Save information as VPD data */
6195 phba
->vpd
.rev
.biuRev
= mqe
->un
.read_rev
.first_hw_rev
;
6196 phba
->vpd
.rev
.smRev
= mqe
->un
.read_rev
.second_hw_rev
;
6197 phba
->vpd
.rev
.endecRev
= mqe
->un
.read_rev
.third_hw_rev
;
6198 phba
->vpd
.rev
.fcphHigh
= bf_get(lpfc_mbx_rd_rev_fcph_high
,
6200 phba
->vpd
.rev
.fcphLow
= bf_get(lpfc_mbx_rd_rev_fcph_low
,
6202 phba
->vpd
.rev
.feaLevelHigh
= bf_get(lpfc_mbx_rd_rev_ftr_lvl_high
,
6204 phba
->vpd
.rev
.feaLevelLow
= bf_get(lpfc_mbx_rd_rev_ftr_lvl_low
,
6206 phba
->vpd
.rev
.sli1FwRev
= mqe
->un
.read_rev
.fw_id_rev
;
6207 memcpy(phba
->vpd
.rev
.sli1FwName
, mqe
->un
.read_rev
.fw_name
, 16);
6208 phba
->vpd
.rev
.sli2FwRev
= mqe
->un
.read_rev
.ulp_fw_id_rev
;
6209 memcpy(phba
->vpd
.rev
.sli2FwName
, mqe
->un
.read_rev
.ulp_fw_name
, 16);
6210 phba
->vpd
.rev
.opFwRev
= mqe
->un
.read_rev
.fw_id_rev
;
6211 memcpy(phba
->vpd
.rev
.opFwName
, mqe
->un
.read_rev
.fw_name
, 16);
6212 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6213 "(%d):0380 READ_REV Status x%x "
6214 "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n",
6215 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
6216 bf_get(lpfc_mqe_status
, mqe
),
6217 phba
->vpd
.rev
.opFwName
,
6218 phba
->vpd
.rev
.fcphHigh
, phba
->vpd
.rev
.fcphLow
,
6219 phba
->vpd
.rev
.feaLevelHigh
, phba
->vpd
.rev
.feaLevelLow
);
6222 * Discover the port's supported feature set and match it against the
6225 lpfc_request_features(phba
, mboxq
);
6226 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6233 * The port must support FCP initiator mode as this is the
6234 * only mode running in the host.
6236 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi
, &mqe
->un
.req_ftrs
))) {
6237 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
6238 "0378 No support for fcpi mode.\n");
6241 if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh
, &mqe
->un
.req_ftrs
))
6242 phba
->sli3_options
|= LPFC_SLI4_PERFH_ENABLED
;
6244 phba
->sli3_options
&= ~LPFC_SLI4_PERFH_ENABLED
;
6246 * If the port cannot support the host's requested features
6247 * then turn off the global config parameters to disable the
6248 * feature in the driver. This is not a fatal error.
6250 phba
->sli3_options
&= ~LPFC_SLI3_BG_ENABLED
;
6251 if (phba
->cfg_enable_bg
) {
6252 if (bf_get(lpfc_mbx_rq_ftr_rsp_dif
, &mqe
->un
.req_ftrs
))
6253 phba
->sli3_options
|= LPFC_SLI3_BG_ENABLED
;
6258 if (phba
->max_vpi
&& phba
->cfg_enable_npiv
&&
6259 !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv
, &mqe
->un
.req_ftrs
)))
6263 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
6264 "0379 Feature Mismatch Data: x%08x %08x "
6265 "x%x x%x x%x\n", mqe
->un
.req_ftrs
.word2
,
6266 mqe
->un
.req_ftrs
.word3
, phba
->cfg_enable_bg
,
6267 phba
->cfg_enable_npiv
, phba
->max_vpi
);
6268 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif
, &mqe
->un
.req_ftrs
)))
6269 phba
->cfg_enable_bg
= 0;
6270 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv
, &mqe
->un
.req_ftrs
)))
6271 phba
->cfg_enable_npiv
= 0;
6274 /* These SLI3 features are assumed in SLI4 */
6275 spin_lock_irq(&phba
->hbalock
);
6276 phba
->sli3_options
|= (LPFC_SLI3_NPIV_ENABLED
| LPFC_SLI3_HBQ_ENABLED
);
6277 spin_unlock_irq(&phba
->hbalock
);
6280 * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent
6281 * calls depends on these resources to complete port setup.
6283 rc
= lpfc_sli4_alloc_resource_identifiers(phba
);
6285 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6286 "2920 Failed to alloc Resource IDs "
6291 /* Read the port's service parameters. */
6292 rc
= lpfc_read_sparam(phba
, mboxq
, vport
->vpi
);
6294 phba
->link_state
= LPFC_HBA_ERROR
;
6299 mboxq
->vport
= vport
;
6300 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6301 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
6302 if (rc
== MBX_SUCCESS
) {
6303 memcpy(&vport
->fc_sparam
, mp
->virt
, sizeof(struct serv_parm
));
6308 * This memory was allocated by the lpfc_read_sparam routine. Release
6309 * it to the mbuf pool.
6311 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
6313 mboxq
->context1
= NULL
;
6315 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6316 "0382 READ_SPARAM command failed "
6317 "status %d, mbxStatus x%x\n",
6318 rc
, bf_get(lpfc_mqe_status
, mqe
));
6319 phba
->link_state
= LPFC_HBA_ERROR
;
6324 lpfc_update_vport_wwn(vport
);
6326 /* Update the fc_host data structures with new wwn. */
6327 fc_host_node_name(shost
) = wwn_to_u64(vport
->fc_nodename
.u
.wwn
);
6328 fc_host_port_name(shost
) = wwn_to_u64(vport
->fc_portname
.u
.wwn
);
6330 /* update host els and scsi xri-sgl sizes and mappings */
6331 rc
= lpfc_sli4_xri_sgl_update(phba
);
6333 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6334 "1400 Failed to update xri-sgl size and "
6335 "mapping: %d\n", rc
);
6339 /* register the els sgl pool to the port */
6340 rc
= lpfc_sli4_repost_els_sgl_list(phba
);
6342 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6343 "0582 Error %d during els sgl post "
6349 /* register the allocated scsi sgl pool to the port */
6350 rc
= lpfc_sli4_repost_scsi_sgl_list(phba
);
6352 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6353 "0383 Error %d during scsi sgl post "
6355 /* Some Scsi buffers were moved to the abort scsi list */
6356 /* A pci function reset will repost them */
6361 /* Post the rpi header region to the device. */
6362 rc
= lpfc_sli4_post_all_rpi_hdrs(phba
);
6364 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6365 "0393 Error %d during rpi post operation\n",
6370 lpfc_sli4_node_prep(phba
);
6372 /* Create all the SLI4 queues */
6373 rc
= lpfc_sli4_queue_create(phba
);
6375 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
6376 "3089 Failed to allocate queues\n");
6378 goto out_stop_timers
;
6380 /* Set up all the queues to the device */
6381 rc
= lpfc_sli4_queue_setup(phba
);
6383 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6384 "0381 Error %d during queue setup.\n ", rc
);
6385 goto out_destroy_queue
;
6388 /* Arm the CQs and then EQs on device */
6389 lpfc_sli4_arm_cqeq_intr(phba
);
6391 /* Indicate device interrupt mode */
6392 phba
->sli4_hba
.intr_enable
= 1;
6394 /* Allow asynchronous mailbox command to go through */
6395 spin_lock_irq(&phba
->hbalock
);
6396 phba
->sli
.sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
6397 spin_unlock_irq(&phba
->hbalock
);
6399 /* Post receive buffers to the device */
6400 lpfc_sli4_rb_setup(phba
);
6402 /* Reset HBA FCF states after HBA reset */
6403 phba
->fcf
.fcf_flag
= 0;
6404 phba
->fcf
.current_rec
.flag
= 0;
6406 /* Start the ELS watchdog timer */
6407 mod_timer(&vport
->els_tmofunc
,
6408 jiffies
+ HZ
* (phba
->fc_ratov
* 2));
6410 /* Start heart beat timer */
6411 mod_timer(&phba
->hb_tmofunc
,
6412 jiffies
+ HZ
* LPFC_HB_MBOX_INTERVAL
);
6413 phba
->hb_outstanding
= 0;
6414 phba
->last_completion_time
= jiffies
;
6416 /* Start error attention (ERATT) polling timer */
6417 mod_timer(&phba
->eratt_poll
, jiffies
+ HZ
* LPFC_ERATT_POLL_INTERVAL
);
6419 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
6420 if (phba
->cfg_aer_support
== 1 && !(phba
->hba_flag
& HBA_AER_ENABLED
)) {
6421 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
6423 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6424 "2829 This device supports "
6425 "Advanced Error Reporting (AER)\n");
6426 spin_lock_irq(&phba
->hbalock
);
6427 phba
->hba_flag
|= HBA_AER_ENABLED
;
6428 spin_unlock_irq(&phba
->hbalock
);
6430 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
6431 "2830 This device does not support "
6432 "Advanced Error Reporting (AER)\n");
6433 phba
->cfg_aer_support
= 0;
6438 if (!(phba
->hba_flag
& HBA_FCOE_MODE
)) {
6440 * The FC Port needs to register FCFI (index 0)
6442 lpfc_reg_fcfi(phba
, mboxq
);
6443 mboxq
->vport
= phba
->pport
;
6444 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6445 if (rc
!= MBX_SUCCESS
)
6446 goto out_unset_queue
;
6448 phba
->fcf
.fcfi
= bf_get(lpfc_reg_fcfi_fcfi
,
6449 &mboxq
->u
.mqe
.un
.reg_fcfi
);
6451 /* Check if the port is configured to be disabled */
6452 lpfc_sli_read_link_ste(phba
);
6456 * The port is ready, set the host's link state to LINK_DOWN
6457 * in preparation for link interrupts.
6459 spin_lock_irq(&phba
->hbalock
);
6460 phba
->link_state
= LPFC_LINK_DOWN
;
6461 spin_unlock_irq(&phba
->hbalock
);
6462 if (!(phba
->hba_flag
& HBA_FCOE_MODE
) &&
6463 (phba
->hba_flag
& LINK_DISABLED
)) {
6464 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_SLI
,
6465 "3103 Adapter Link is disabled.\n");
6466 lpfc_down_link(phba
, mboxq
);
6467 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
6468 if (rc
!= MBX_SUCCESS
) {
6469 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
| LOG_SLI
,
6470 "3104 Adapter failed to issue "
6471 "DOWN_LINK mbox cmd, rc:x%x\n", rc
);
6472 goto out_unset_queue
;
6474 } else if (phba
->cfg_suppress_link_up
== LPFC_INITIALIZE_LINK
) {
6475 /* don't perform init_link on SLI4 FC port loopback test */
6476 if (!(phba
->link_flag
& LS_LOOPBACK_MODE
)) {
6477 rc
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
6479 goto out_unset_queue
;
6482 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6485 /* Unset all the queues set up in this routine when error out */
6486 lpfc_sli4_queue_unset(phba
);
6488 lpfc_sli4_queue_destroy(phba
);
6490 lpfc_stop_hba_timers(phba
);
6492 mempool_free(mboxq
, phba
->mbox_mem_pool
);
6497 * lpfc_mbox_timeout - Timeout call back function for mbox timer
6498 * @ptr: context object - pointer to hba structure.
6500 * This is the callback function for mailbox timer. The mailbox
6501 * timer is armed when a new mailbox command is issued and the timer
6502 * is deleted when the mailbox complete. The function is called by
6503 * the kernel timer code when a mailbox does not complete within
6504 * expected time. This function wakes up the worker thread to
6505 * process the mailbox timeout and returns. All the processing is
6506 * done by the worker thread function lpfc_mbox_timeout_handler.
6509 lpfc_mbox_timeout(unsigned long ptr
)
6511 struct lpfc_hba
*phba
= (struct lpfc_hba
*) ptr
;
6512 unsigned long iflag
;
6513 uint32_t tmo_posted
;
6515 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflag
);
6516 tmo_posted
= phba
->pport
->work_port_events
& WORKER_MBOX_TMO
;
6518 phba
->pport
->work_port_events
|= WORKER_MBOX_TMO
;
6519 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflag
);
6522 lpfc_worker_wake_up(phba
);
6528 * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout
6529 * @phba: Pointer to HBA context object.
6531 * This function is called from worker thread when a mailbox command times out.
6532 * The caller is not required to hold any locks. This function will reset the
6533 * HBA and recover all the pending commands.
6536 lpfc_mbox_timeout_handler(struct lpfc_hba
*phba
)
6538 LPFC_MBOXQ_t
*pmbox
= phba
->sli
.mbox_active
;
6539 MAILBOX_t
*mb
= &pmbox
->u
.mb
;
6540 struct lpfc_sli
*psli
= &phba
->sli
;
6541 struct lpfc_sli_ring
*pring
;
6543 /* Check the pmbox pointer first. There is a race condition
6544 * between the mbox timeout handler getting executed in the
6545 * worklist and the mailbox actually completing. When this
6546 * race condition occurs, the mbox_active will be NULL.
6548 spin_lock_irq(&phba
->hbalock
);
6549 if (pmbox
== NULL
) {
6550 lpfc_printf_log(phba
, KERN_WARNING
,
6552 "0353 Active Mailbox cleared - mailbox timeout "
6554 spin_unlock_irq(&phba
->hbalock
);
6558 /* Mbox cmd <mbxCommand> timeout */
6559 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6560 "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
6562 phba
->pport
->port_state
,
6564 phba
->sli
.mbox_active
);
6565 spin_unlock_irq(&phba
->hbalock
);
6567 /* Setting state unknown so lpfc_sli_abort_iocb_ring
6568 * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
6569 * it to fail all outstanding SCSI IO.
6571 spin_lock_irq(&phba
->pport
->work_port_lock
);
6572 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
6573 spin_unlock_irq(&phba
->pport
->work_port_lock
);
6574 spin_lock_irq(&phba
->hbalock
);
6575 phba
->link_state
= LPFC_LINK_UNKNOWN
;
6576 psli
->sli_flag
&= ~LPFC_SLI_ACTIVE
;
6577 spin_unlock_irq(&phba
->hbalock
);
6579 pring
= &psli
->ring
[psli
->fcp_ring
];
6580 lpfc_sli_abort_iocb_ring(phba
, pring
);
6582 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6583 "0345 Resetting board due to mailbox timeout\n");
6585 /* Reset the HBA device */
6586 lpfc_reset_hba(phba
);
6590 * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware
6591 * @phba: Pointer to HBA context object.
6592 * @pmbox: Pointer to mailbox object.
6593 * @flag: Flag indicating how the mailbox need to be processed.
6595 * This function is called by discovery code and HBA management code
6596 * to submit a mailbox command to firmware with SLI-3 interface spec. This
6597 * function gets the hbalock to protect the data structures.
6598 * The mailbox command can be submitted in polling mode, in which case
6599 * this function will wait in a polling loop for the completion of the
6601 * If the mailbox is submitted in no_wait mode (not polling) the
6602 * function will submit the command and returns immediately without waiting
6603 * for the mailbox completion. The no_wait is supported only when HBA
6604 * is in SLI2/SLI3 mode - interrupts are enabled.
6605 * The SLI interface allows only one mailbox pending at a time. If the
6606 * mailbox is issued in polling mode and there is already a mailbox
6607 * pending, then the function will return an error. If the mailbox is issued
6608 * in NO_WAIT mode and there is a mailbox pending already, the function
6609 * will return MBX_BUSY after queuing the mailbox into mailbox queue.
6610 * The sli layer owns the mailbox object until the completion of mailbox
6611 * command if this function return MBX_BUSY or MBX_SUCCESS. For all other
6612 * return codes the caller owns the mailbox command after the return of
6616 lpfc_sli_issue_mbox_s3(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmbox
,
6620 struct lpfc_sli
*psli
= &phba
->sli
;
6621 uint32_t status
, evtctr
;
6622 uint32_t ha_copy
, hc_copy
;
6624 unsigned long timeout
;
6625 unsigned long drvr_flag
= 0;
6626 uint32_t word0
, ldata
;
6627 void __iomem
*to_slim
;
6628 int processing_queue
= 0;
6630 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
6632 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6633 /* processing mbox queue from intr_handler */
6634 if (unlikely(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
6635 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6638 processing_queue
= 1;
6639 pmbox
= lpfc_mbox_get(phba
);
6641 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6646 if (pmbox
->mbox_cmpl
&& pmbox
->mbox_cmpl
!= lpfc_sli_def_mbox_cmpl
&&
6647 pmbox
->mbox_cmpl
!= lpfc_sli_wake_mbox_wait
) {
6649 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6650 lpfc_printf_log(phba
, KERN_ERR
,
6651 LOG_MBOX
| LOG_VPORT
,
6652 "1806 Mbox x%x failed. No vport\n",
6653 pmbox
->u
.mb
.mbxCommand
);
6655 goto out_not_finished
;
6659 /* If the PCI channel is in offline state, do not post mbox. */
6660 if (unlikely(pci_channel_offline(phba
->pcidev
))) {
6661 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6662 goto out_not_finished
;
6665 /* If HBA has a deferred error attention, fail the iocb. */
6666 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
6667 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6668 goto out_not_finished
;
6674 status
= MBX_SUCCESS
;
6676 if (phba
->link_state
== LPFC_HBA_ERROR
) {
6677 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6679 /* Mbox command <mbxCommand> cannot issue */
6680 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6681 "(%d):0311 Mailbox command x%x cannot "
6682 "issue Data: x%x x%x\n",
6683 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6684 pmbox
->u
.mb
.mbxCommand
, psli
->sli_flag
, flag
);
6685 goto out_not_finished
;
6688 if (mb
->mbxCommand
!= MBX_KILL_BOARD
&& flag
& MBX_NOWAIT
) {
6689 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
) ||
6690 !(hc_copy
& HC_MBINT_ENA
)) {
6691 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6692 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6693 "(%d):2528 Mailbox command x%x cannot "
6694 "issue Data: x%x x%x\n",
6695 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6696 pmbox
->u
.mb
.mbxCommand
, psli
->sli_flag
, flag
);
6697 goto out_not_finished
;
6701 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
6702 /* Polling for a mbox command when another one is already active
6703 * is not allowed in SLI. Also, the driver must have established
6704 * SLI2 mode to queue and process multiple mbox commands.
6707 if (flag
& MBX_POLL
) {
6708 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6710 /* Mbox command <mbxCommand> cannot issue */
6711 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6712 "(%d):2529 Mailbox command x%x "
6713 "cannot issue Data: x%x x%x\n",
6714 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6715 pmbox
->u
.mb
.mbxCommand
,
6716 psli
->sli_flag
, flag
);
6717 goto out_not_finished
;
6720 if (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)) {
6721 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6722 /* Mbox command <mbxCommand> cannot issue */
6723 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6724 "(%d):2530 Mailbox command x%x "
6725 "cannot issue Data: x%x x%x\n",
6726 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6727 pmbox
->u
.mb
.mbxCommand
,
6728 psli
->sli_flag
, flag
);
6729 goto out_not_finished
;
6732 /* Another mailbox command is still being processed, queue this
6733 * command to be processed later.
6735 lpfc_mbox_put(phba
, pmbox
);
6737 /* Mbox cmd issue - BUSY */
6738 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6739 "(%d):0308 Mbox cmd issue - BUSY Data: "
6740 "x%x x%x x%x x%x\n",
6741 pmbox
->vport
? pmbox
->vport
->vpi
: 0xffffff,
6742 mb
->mbxCommand
, phba
->pport
->port_state
,
6743 psli
->sli_flag
, flag
);
6745 psli
->slistat
.mbox_busy
++;
6746 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6749 lpfc_debugfs_disc_trc(pmbox
->vport
,
6750 LPFC_DISC_TRC_MBOX_VPORT
,
6751 "MBOX Bsy vport: cmd:x%x mb:x%x x%x",
6752 (uint32_t)mb
->mbxCommand
,
6753 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6756 lpfc_debugfs_disc_trc(phba
->pport
,
6758 "MBOX Bsy: cmd:x%x mb:x%x x%x",
6759 (uint32_t)mb
->mbxCommand
,
6760 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6766 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
6768 /* If we are not polling, we MUST be in SLI2 mode */
6769 if (flag
!= MBX_POLL
) {
6770 if (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
) &&
6771 (mb
->mbxCommand
!= MBX_KILL_BOARD
)) {
6772 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6773 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6774 /* Mbox command <mbxCommand> cannot issue */
6775 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
6776 "(%d):2531 Mailbox command x%x "
6777 "cannot issue Data: x%x x%x\n",
6778 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6779 pmbox
->u
.mb
.mbxCommand
,
6780 psli
->sli_flag
, flag
);
6781 goto out_not_finished
;
6783 /* timeout active mbox command */
6784 mod_timer(&psli
->mbox_tmo
, (jiffies
+
6785 (HZ
* lpfc_mbox_tmo_val(phba
, pmbox
))));
6788 /* Mailbox cmd <cmd> issue */
6789 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
6790 "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x "
6792 pmbox
->vport
? pmbox
->vport
->vpi
: 0,
6793 mb
->mbxCommand
, phba
->pport
->port_state
,
6794 psli
->sli_flag
, flag
);
6796 if (mb
->mbxCommand
!= MBX_HEARTBEAT
) {
6798 lpfc_debugfs_disc_trc(pmbox
->vport
,
6799 LPFC_DISC_TRC_MBOX_VPORT
,
6800 "MBOX Send vport: cmd:x%x mb:x%x x%x",
6801 (uint32_t)mb
->mbxCommand
,
6802 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6805 lpfc_debugfs_disc_trc(phba
->pport
,
6807 "MBOX Send: cmd:x%x mb:x%x x%x",
6808 (uint32_t)mb
->mbxCommand
,
6809 mb
->un
.varWords
[0], mb
->un
.varWords
[1]);
6813 psli
->slistat
.mbox_cmd
++;
6814 evtctr
= psli
->slistat
.mbox_event
;
6816 /* next set own bit for the adapter and copy over command word */
6817 mb
->mbxOwner
= OWN_CHIP
;
6819 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6820 /* Populate mbox extension offset word. */
6821 if (pmbox
->in_ext_byte_len
|| pmbox
->out_ext_byte_len
) {
6822 *(((uint32_t *)mb
) + pmbox
->mbox_offset_word
)
6823 = (uint8_t *)phba
->mbox_ext
6824 - (uint8_t *)phba
->mbox
;
6827 /* Copy the mailbox extension data */
6828 if (pmbox
->in_ext_byte_len
&& pmbox
->context2
) {
6829 lpfc_sli_pcimem_bcopy(pmbox
->context2
,
6830 (uint8_t *)phba
->mbox_ext
,
6831 pmbox
->in_ext_byte_len
);
6833 /* Copy command data to host SLIM area */
6834 lpfc_sli_pcimem_bcopy(mb
, phba
->mbox
, MAILBOX_CMD_SIZE
);
6836 /* Populate mbox extension offset word. */
6837 if (pmbox
->in_ext_byte_len
|| pmbox
->out_ext_byte_len
)
6838 *(((uint32_t *)mb
) + pmbox
->mbox_offset_word
)
6839 = MAILBOX_HBA_EXT_OFFSET
;
6841 /* Copy the mailbox extension data */
6842 if (pmbox
->in_ext_byte_len
&& pmbox
->context2
) {
6843 lpfc_memcpy_to_slim(phba
->MBslimaddr
+
6844 MAILBOX_HBA_EXT_OFFSET
,
6845 pmbox
->context2
, pmbox
->in_ext_byte_len
);
6848 if (mb
->mbxCommand
== MBX_CONFIG_PORT
) {
6849 /* copy command data into host mbox for cmpl */
6850 lpfc_sli_pcimem_bcopy(mb
, phba
->mbox
, MAILBOX_CMD_SIZE
);
6853 /* First copy mbox command data to HBA SLIM, skip past first
6855 to_slim
= phba
->MBslimaddr
+ sizeof (uint32_t);
6856 lpfc_memcpy_to_slim(to_slim
, &mb
->un
.varWords
[0],
6857 MAILBOX_CMD_SIZE
- sizeof (uint32_t));
6859 /* Next copy over first word, with mbxOwner set */
6860 ldata
= *((uint32_t *)mb
);
6861 to_slim
= phba
->MBslimaddr
;
6862 writel(ldata
, to_slim
);
6863 readl(to_slim
); /* flush */
6865 if (mb
->mbxCommand
== MBX_CONFIG_PORT
) {
6866 /* switch over to host mailbox */
6867 psli
->sli_flag
|= LPFC_SLI_ACTIVE
;
6875 /* Set up reference to mailbox command */
6876 psli
->mbox_active
= pmbox
;
6877 /* Interrupt board to do it */
6878 writel(CA_MBATT
, phba
->CAregaddr
);
6879 readl(phba
->CAregaddr
); /* flush */
6880 /* Don't wait for it to finish, just return */
6884 /* Set up null reference to mailbox command */
6885 psli
->mbox_active
= NULL
;
6886 /* Interrupt board to do it */
6887 writel(CA_MBATT
, phba
->CAregaddr
);
6888 readl(phba
->CAregaddr
); /* flush */
6890 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6891 /* First read mbox status word */
6892 word0
= *((uint32_t *)phba
->mbox
);
6893 word0
= le32_to_cpu(word0
);
6895 /* First read mbox status word */
6896 if (lpfc_readl(phba
->MBslimaddr
, &word0
)) {
6897 spin_unlock_irqrestore(&phba
->hbalock
,
6899 goto out_not_finished
;
6903 /* Read the HBA Host Attention Register */
6904 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
)) {
6905 spin_unlock_irqrestore(&phba
->hbalock
,
6907 goto out_not_finished
;
6909 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, pmbox
) *
6912 /* Wait for command to complete */
6913 while (((word0
& OWN_CHIP
) == OWN_CHIP
) ||
6914 (!(ha_copy
& HA_MBATT
) &&
6915 (phba
->link_state
> LPFC_WARM_START
))) {
6916 if (time_after(jiffies
, timeout
)) {
6917 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6918 spin_unlock_irqrestore(&phba
->hbalock
,
6920 goto out_not_finished
;
6923 /* Check if we took a mbox interrupt while we were
6925 if (((word0
& OWN_CHIP
) != OWN_CHIP
)
6926 && (evtctr
!= psli
->slistat
.mbox_event
))
6930 spin_unlock_irqrestore(&phba
->hbalock
,
6933 spin_lock_irqsave(&phba
->hbalock
, drvr_flag
);
6936 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6937 /* First copy command data */
6938 word0
= *((uint32_t *)phba
->mbox
);
6939 word0
= le32_to_cpu(word0
);
6940 if (mb
->mbxCommand
== MBX_CONFIG_PORT
) {
6943 /* Check real SLIM for any errors */
6944 slimword0
= readl(phba
->MBslimaddr
);
6945 slimmb
= (MAILBOX_t
*) & slimword0
;
6946 if (((slimword0
& OWN_CHIP
) != OWN_CHIP
)
6947 && slimmb
->mbxStatus
) {
6954 /* First copy command data */
6955 word0
= readl(phba
->MBslimaddr
);
6957 /* Read the HBA Host Attention Register */
6958 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
)) {
6959 spin_unlock_irqrestore(&phba
->hbalock
,
6961 goto out_not_finished
;
6965 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
6966 /* copy results back to user */
6967 lpfc_sli_pcimem_bcopy(phba
->mbox
, mb
, MAILBOX_CMD_SIZE
);
6968 /* Copy the mailbox extension data */
6969 if (pmbox
->out_ext_byte_len
&& pmbox
->context2
) {
6970 lpfc_sli_pcimem_bcopy(phba
->mbox_ext
,
6972 pmbox
->out_ext_byte_len
);
6975 /* First copy command data */
6976 lpfc_memcpy_from_slim(mb
, phba
->MBslimaddr
,
6978 /* Copy the mailbox extension data */
6979 if (pmbox
->out_ext_byte_len
&& pmbox
->context2
) {
6980 lpfc_memcpy_from_slim(pmbox
->context2
,
6982 MAILBOX_HBA_EXT_OFFSET
,
6983 pmbox
->out_ext_byte_len
);
6987 writel(HA_MBATT
, phba
->HAregaddr
);
6988 readl(phba
->HAregaddr
); /* flush */
6990 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
6991 status
= mb
->mbxStatus
;
6994 spin_unlock_irqrestore(&phba
->hbalock
, drvr_flag
);
6998 if (processing_queue
) {
6999 pmbox
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
7000 lpfc_mbox_cmpl_put(phba
, pmbox
);
7002 return MBX_NOT_FINISHED
;
7006 * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command
7007 * @phba: Pointer to HBA context object.
7009 * The function blocks the posting of SLI4 asynchronous mailbox commands from
7010 * the driver internal pending mailbox queue. It will then try to wait out the
7011 * possible outstanding mailbox command before return.
7014 * 0 - the outstanding mailbox command completed; otherwise, the wait for
7015 * the outstanding mailbox command timed out.
7018 lpfc_sli4_async_mbox_block(struct lpfc_hba
*phba
)
7020 struct lpfc_sli
*psli
= &phba
->sli
;
7022 unsigned long timeout
= 0;
7024 /* Mark the asynchronous mailbox command posting as blocked */
7025 spin_lock_irq(&phba
->hbalock
);
7026 psli
->sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
7027 /* Determine how long we might wait for the active mailbox
7028 * command to be gracefully completed by firmware.
7030 if (phba
->sli
.mbox_active
)
7031 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
7032 phba
->sli
.mbox_active
) *
7034 spin_unlock_irq(&phba
->hbalock
);
7036 /* Wait for the outstnading mailbox command to complete */
7037 while (phba
->sli
.mbox_active
) {
7038 /* Check active mailbox complete status every 2ms */
7040 if (time_after(jiffies
, timeout
)) {
7041 /* Timeout, marked the outstanding cmd not complete */
7047 /* Can not cleanly block async mailbox command, fails it */
7049 spin_lock_irq(&phba
->hbalock
);
7050 psli
->sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
7051 spin_unlock_irq(&phba
->hbalock
);
7057 * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command
7058 * @phba: Pointer to HBA context object.
7060 * The function unblocks and resume posting of SLI4 asynchronous mailbox
7061 * commands from the driver internal pending mailbox queue. It makes sure
7062 * that there is no outstanding mailbox command before resuming posting
7063 * asynchronous mailbox commands. If, for any reason, there is outstanding
7064 * mailbox command, it will try to wait it out before resuming asynchronous
7065 * mailbox command posting.
7068 lpfc_sli4_async_mbox_unblock(struct lpfc_hba
*phba
)
7070 struct lpfc_sli
*psli
= &phba
->sli
;
7072 spin_lock_irq(&phba
->hbalock
);
7073 if (!(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
7074 /* Asynchronous mailbox posting is not blocked, do nothing */
7075 spin_unlock_irq(&phba
->hbalock
);
7079 /* Outstanding synchronous mailbox command is guaranteed to be done,
7080 * successful or timeout, after timing-out the outstanding mailbox
7081 * command shall always be removed, so just unblock posting async
7082 * mailbox command and resume
7084 psli
->sli_flag
&= ~LPFC_SLI_ASYNC_MBX_BLK
;
7085 spin_unlock_irq(&phba
->hbalock
);
7087 /* wake up worker thread to post asynchronlous mailbox command */
7088 lpfc_worker_wake_up(phba
);
7092 * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready
7093 * @phba: Pointer to HBA context object.
7094 * @mboxq: Pointer to mailbox object.
7096 * The function waits for the bootstrap mailbox register ready bit from
7097 * port for twice the regular mailbox command timeout value.
7099 * 0 - no timeout on waiting for bootstrap mailbox register ready.
7100 * MBXERR_ERROR - wait for bootstrap mailbox register timed out.
7103 lpfc_sli4_wait_bmbx_ready(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
7106 unsigned long timeout
;
7107 struct lpfc_register bmbx_reg
;
7109 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
, mboxq
)
7113 bmbx_reg
.word0
= readl(phba
->sli4_hba
.BMBXregaddr
);
7114 db_ready
= bf_get(lpfc_bmbx_rdy
, &bmbx_reg
);
7118 if (time_after(jiffies
, timeout
))
7119 return MBXERR_ERROR
;
7120 } while (!db_ready
);
7126 * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox
7127 * @phba: Pointer to HBA context object.
7128 * @mboxq: Pointer to mailbox object.
7130 * The function posts a mailbox to the port. The mailbox is expected
7131 * to be comletely filled in and ready for the port to operate on it.
7132 * This routine executes a synchronous completion operation on the
7133 * mailbox by polling for its completion.
7135 * The caller must not be holding any locks when calling this routine.
7138 * MBX_SUCCESS - mailbox posted successfully
7139 * Any of the MBX error values.
7142 lpfc_sli4_post_sync_mbox(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
7144 int rc
= MBX_SUCCESS
;
7145 unsigned long iflag
;
7146 uint32_t mcqe_status
;
7148 struct lpfc_sli
*psli
= &phba
->sli
;
7149 struct lpfc_mqe
*mb
= &mboxq
->u
.mqe
;
7150 struct lpfc_bmbx_create
*mbox_rgn
;
7151 struct dma_address
*dma_address
;
7154 * Only one mailbox can be active to the bootstrap mailbox region
7155 * at a time and there is no queueing provided.
7157 spin_lock_irqsave(&phba
->hbalock
, iflag
);
7158 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
7159 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
7160 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7161 "(%d):2532 Mailbox command x%x (x%x/x%x) "
7162 "cannot issue Data: x%x x%x\n",
7163 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7164 mboxq
->u
.mb
.mbxCommand
,
7165 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7166 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7167 psli
->sli_flag
, MBX_POLL
);
7168 return MBXERR_ERROR
;
7170 /* The server grabs the token and owns it until release */
7171 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
7172 phba
->sli
.mbox_active
= mboxq
;
7173 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
7175 /* wait for bootstrap mbox register for readyness */
7176 rc
= lpfc_sli4_wait_bmbx_ready(phba
, mboxq
);
7181 * Initialize the bootstrap memory region to avoid stale data areas
7182 * in the mailbox post. Then copy the caller's mailbox contents to
7183 * the bmbx mailbox region.
7185 mbx_cmnd
= bf_get(lpfc_mqe_command
, mb
);
7186 memset(phba
->sli4_hba
.bmbx
.avirt
, 0, sizeof(struct lpfc_bmbx_create
));
7187 lpfc_sli_pcimem_bcopy(mb
, phba
->sli4_hba
.bmbx
.avirt
,
7188 sizeof(struct lpfc_mqe
));
7190 /* Post the high mailbox dma address to the port and wait for ready. */
7191 dma_address
= &phba
->sli4_hba
.bmbx
.dma_address
;
7192 writel(dma_address
->addr_hi
, phba
->sli4_hba
.BMBXregaddr
);
7194 /* wait for bootstrap mbox register for hi-address write done */
7195 rc
= lpfc_sli4_wait_bmbx_ready(phba
, mboxq
);
7199 /* Post the low mailbox dma address to the port. */
7200 writel(dma_address
->addr_lo
, phba
->sli4_hba
.BMBXregaddr
);
7202 /* wait for bootstrap mbox register for low address write done */
7203 rc
= lpfc_sli4_wait_bmbx_ready(phba
, mboxq
);
7208 * Read the CQ to ensure the mailbox has completed.
7209 * If so, update the mailbox status so that the upper layers
7210 * can complete the request normally.
7212 lpfc_sli_pcimem_bcopy(phba
->sli4_hba
.bmbx
.avirt
, mb
,
7213 sizeof(struct lpfc_mqe
));
7214 mbox_rgn
= (struct lpfc_bmbx_create
*) phba
->sli4_hba
.bmbx
.avirt
;
7215 lpfc_sli_pcimem_bcopy(&mbox_rgn
->mcqe
, &mboxq
->mcqe
,
7216 sizeof(struct lpfc_mcqe
));
7217 mcqe_status
= bf_get(lpfc_mcqe_status
, &mbox_rgn
->mcqe
);
7219 * When the CQE status indicates a failure and the mailbox status
7220 * indicates success then copy the CQE status into the mailbox status
7221 * (and prefix it with x4000).
7223 if (mcqe_status
!= MB_CQE_STATUS_SUCCESS
) {
7224 if (bf_get(lpfc_mqe_status
, mb
) == MBX_SUCCESS
)
7225 bf_set(lpfc_mqe_status
, mb
,
7226 (LPFC_MBX_ERROR_RANGE
| mcqe_status
));
7229 lpfc_sli4_swap_str(phba
, mboxq
);
7231 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
7232 "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x "
7233 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x"
7234 " x%x x%x CQ: x%x x%x x%x x%x\n",
7235 mboxq
->vport
? mboxq
->vport
->vpi
: 0, mbx_cmnd
,
7236 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7237 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7238 bf_get(lpfc_mqe_status
, mb
),
7239 mb
->un
.mb_words
[0], mb
->un
.mb_words
[1],
7240 mb
->un
.mb_words
[2], mb
->un
.mb_words
[3],
7241 mb
->un
.mb_words
[4], mb
->un
.mb_words
[5],
7242 mb
->un
.mb_words
[6], mb
->un
.mb_words
[7],
7243 mb
->un
.mb_words
[8], mb
->un
.mb_words
[9],
7244 mb
->un
.mb_words
[10], mb
->un
.mb_words
[11],
7245 mb
->un
.mb_words
[12], mboxq
->mcqe
.word0
,
7246 mboxq
->mcqe
.mcqe_tag0
, mboxq
->mcqe
.mcqe_tag1
,
7247 mboxq
->mcqe
.trailer
);
7249 /* We are holding the token, no needed for lock when release */
7250 spin_lock_irqsave(&phba
->hbalock
, iflag
);
7251 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7252 phba
->sli
.mbox_active
= NULL
;
7253 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
7258 * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware
7259 * @phba: Pointer to HBA context object.
7260 * @pmbox: Pointer to mailbox object.
7261 * @flag: Flag indicating how the mailbox need to be processed.
7263 * This function is called by discovery code and HBA management code to submit
7264 * a mailbox command to firmware with SLI-4 interface spec.
7266 * Return codes the caller owns the mailbox command after the return of the
7270 lpfc_sli_issue_mbox_s4(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
,
7273 struct lpfc_sli
*psli
= &phba
->sli
;
7274 unsigned long iflags
;
7277 /* dump from issue mailbox command if setup */
7278 lpfc_idiag_mbxacc_dump_issue_mbox(phba
, &mboxq
->u
.mb
);
7280 rc
= lpfc_mbox_dev_check(phba
);
7282 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7283 "(%d):2544 Mailbox command x%x (x%x/x%x) "
7284 "cannot issue Data: x%x x%x\n",
7285 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7286 mboxq
->u
.mb
.mbxCommand
,
7287 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7288 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7289 psli
->sli_flag
, flag
);
7290 goto out_not_finished
;
7293 /* Detect polling mode and jump to a handler */
7294 if (!phba
->sli4_hba
.intr_enable
) {
7295 if (flag
== MBX_POLL
)
7296 rc
= lpfc_sli4_post_sync_mbox(phba
, mboxq
);
7299 if (rc
!= MBX_SUCCESS
)
7300 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
7301 "(%d):2541 Mailbox command x%x "
7302 "(x%x/x%x) failure: "
7303 "mqe_sta: x%x mcqe_sta: x%x/x%x "
7305 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7306 mboxq
->u
.mb
.mbxCommand
,
7307 lpfc_sli_config_mbox_subsys_get(phba
,
7309 lpfc_sli_config_mbox_opcode_get(phba
,
7311 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
),
7312 bf_get(lpfc_mcqe_status
, &mboxq
->mcqe
),
7313 bf_get(lpfc_mcqe_ext_status
,
7315 psli
->sli_flag
, flag
);
7317 } else if (flag
== MBX_POLL
) {
7318 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
| LOG_SLI
,
7319 "(%d):2542 Try to issue mailbox command "
7320 "x%x (x%x/x%x) synchronously ahead of async"
7321 "mailbox command queue: x%x x%x\n",
7322 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7323 mboxq
->u
.mb
.mbxCommand
,
7324 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7325 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7326 psli
->sli_flag
, flag
);
7327 /* Try to block the asynchronous mailbox posting */
7328 rc
= lpfc_sli4_async_mbox_block(phba
);
7330 /* Successfully blocked, now issue sync mbox cmd */
7331 rc
= lpfc_sli4_post_sync_mbox(phba
, mboxq
);
7332 if (rc
!= MBX_SUCCESS
)
7333 lpfc_printf_log(phba
, KERN_WARNING
,
7335 "(%d):2597 Sync Mailbox command "
7336 "x%x (x%x/x%x) failure: "
7337 "mqe_sta: x%x mcqe_sta: x%x/x%x "
7339 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7340 mboxq
->u
.mb
.mbxCommand
,
7341 lpfc_sli_config_mbox_subsys_get(phba
,
7343 lpfc_sli_config_mbox_opcode_get(phba
,
7345 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
),
7346 bf_get(lpfc_mcqe_status
, &mboxq
->mcqe
),
7347 bf_get(lpfc_mcqe_ext_status
,
7349 psli
->sli_flag
, flag
);
7350 /* Unblock the async mailbox posting afterward */
7351 lpfc_sli4_async_mbox_unblock(phba
);
7356 /* Now, interrupt mode asynchrous mailbox command */
7357 rc
= lpfc_mbox_cmd_check(phba
, mboxq
);
7359 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7360 "(%d):2543 Mailbox command x%x (x%x/x%x) "
7361 "cannot issue Data: x%x x%x\n",
7362 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7363 mboxq
->u
.mb
.mbxCommand
,
7364 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7365 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7366 psli
->sli_flag
, flag
);
7367 goto out_not_finished
;
7370 /* Put the mailbox command to the driver internal FIFO */
7371 psli
->slistat
.mbox_busy
++;
7372 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7373 lpfc_mbox_put(phba
, mboxq
);
7374 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7375 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
7376 "(%d):0354 Mbox cmd issue - Enqueue Data: "
7377 "x%x (x%x/x%x) x%x x%x x%x\n",
7378 mboxq
->vport
? mboxq
->vport
->vpi
: 0xffffff,
7379 bf_get(lpfc_mqe_command
, &mboxq
->u
.mqe
),
7380 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7381 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7382 phba
->pport
->port_state
,
7383 psli
->sli_flag
, MBX_NOWAIT
);
7384 /* Wake up worker thread to transport mailbox command from head */
7385 lpfc_worker_wake_up(phba
);
7390 return MBX_NOT_FINISHED
;
7394 * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device
7395 * @phba: Pointer to HBA context object.
7397 * This function is called by worker thread to send a mailbox command to
7398 * SLI4 HBA firmware.
7402 lpfc_sli4_post_async_mbox(struct lpfc_hba
*phba
)
7404 struct lpfc_sli
*psli
= &phba
->sli
;
7405 LPFC_MBOXQ_t
*mboxq
;
7406 int rc
= MBX_SUCCESS
;
7407 unsigned long iflags
;
7408 struct lpfc_mqe
*mqe
;
7411 /* Check interrupt mode before post async mailbox command */
7412 if (unlikely(!phba
->sli4_hba
.intr_enable
))
7413 return MBX_NOT_FINISHED
;
7415 /* Check for mailbox command service token */
7416 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7417 if (unlikely(psli
->sli_flag
& LPFC_SLI_ASYNC_MBX_BLK
)) {
7418 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7419 return MBX_NOT_FINISHED
;
7421 if (psli
->sli_flag
& LPFC_SLI_MBOX_ACTIVE
) {
7422 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7423 return MBX_NOT_FINISHED
;
7425 if (unlikely(phba
->sli
.mbox_active
)) {
7426 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7427 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7428 "0384 There is pending active mailbox cmd\n");
7429 return MBX_NOT_FINISHED
;
7431 /* Take the mailbox command service token */
7432 psli
->sli_flag
|= LPFC_SLI_MBOX_ACTIVE
;
7434 /* Get the next mailbox command from head of queue */
7435 mboxq
= lpfc_mbox_get(phba
);
7437 /* If no more mailbox command waiting for post, we're done */
7439 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7440 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7443 phba
->sli
.mbox_active
= mboxq
;
7444 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7446 /* Check device readiness for posting mailbox command */
7447 rc
= lpfc_mbox_dev_check(phba
);
7449 /* Driver clean routine will clean up pending mailbox */
7450 goto out_not_finished
;
7452 /* Prepare the mbox command to be posted */
7453 mqe
= &mboxq
->u
.mqe
;
7454 mbx_cmnd
= bf_get(lpfc_mqe_command
, mqe
);
7456 /* Start timer for the mbox_tmo and log some mailbox post messages */
7457 mod_timer(&psli
->mbox_tmo
, (jiffies
+
7458 (HZ
* lpfc_mbox_tmo_val(phba
, mboxq
))));
7460 lpfc_printf_log(phba
, KERN_INFO
, LOG_MBOX
| LOG_SLI
,
7461 "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: "
7463 mboxq
->vport
? mboxq
->vport
->vpi
: 0, mbx_cmnd
,
7464 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7465 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7466 phba
->pport
->port_state
, psli
->sli_flag
);
7468 if (mbx_cmnd
!= MBX_HEARTBEAT
) {
7470 lpfc_debugfs_disc_trc(mboxq
->vport
,
7471 LPFC_DISC_TRC_MBOX_VPORT
,
7472 "MBOX Send vport: cmd:x%x mb:x%x x%x",
7473 mbx_cmnd
, mqe
->un
.mb_words
[0],
7474 mqe
->un
.mb_words
[1]);
7476 lpfc_debugfs_disc_trc(phba
->pport
,
7478 "MBOX Send: cmd:x%x mb:x%x x%x",
7479 mbx_cmnd
, mqe
->un
.mb_words
[0],
7480 mqe
->un
.mb_words
[1]);
7483 psli
->slistat
.mbox_cmd
++;
7485 /* Post the mailbox command to the port */
7486 rc
= lpfc_sli4_mq_put(phba
->sli4_hba
.mbx_wq
, mqe
);
7487 if (rc
!= MBX_SUCCESS
) {
7488 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
7489 "(%d):2533 Mailbox command x%x (x%x/x%x) "
7490 "cannot issue Data: x%x x%x\n",
7491 mboxq
->vport
? mboxq
->vport
->vpi
: 0,
7492 mboxq
->u
.mb
.mbxCommand
,
7493 lpfc_sli_config_mbox_subsys_get(phba
, mboxq
),
7494 lpfc_sli_config_mbox_opcode_get(phba
, mboxq
),
7495 psli
->sli_flag
, MBX_NOWAIT
);
7496 goto out_not_finished
;
7502 spin_lock_irqsave(&phba
->hbalock
, iflags
);
7503 if (phba
->sli
.mbox_active
) {
7504 mboxq
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
7505 __lpfc_mbox_cmpl_put(phba
, mboxq
);
7506 /* Release the token */
7507 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
7508 phba
->sli
.mbox_active
= NULL
;
7510 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
7512 return MBX_NOT_FINISHED
;
7516 * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command
7517 * @phba: Pointer to HBA context object.
7518 * @pmbox: Pointer to mailbox object.
7519 * @flag: Flag indicating how the mailbox need to be processed.
7521 * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from
7522 * the API jump table function pointer from the lpfc_hba struct.
7524 * Return codes the caller owns the mailbox command after the return of the
7528 lpfc_sli_issue_mbox(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmbox
, uint32_t flag
)
7530 return phba
->lpfc_sli_issue_mbox(phba
, pmbox
, flag
);
7534 * lpfc_mbox_api_table_setup - Set up mbox api function jump table
7535 * @phba: The hba struct for which this call is being executed.
7536 * @dev_grp: The HBA PCI-Device group number.
7538 * This routine sets up the mbox interface API function jump table in @phba
7540 * Returns: 0 - success, -ENODEV - failure.
7543 lpfc_mbox_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
7547 case LPFC_PCI_DEV_LP
:
7548 phba
->lpfc_sli_issue_mbox
= lpfc_sli_issue_mbox_s3
;
7549 phba
->lpfc_sli_handle_slow_ring_event
=
7550 lpfc_sli_handle_slow_ring_event_s3
;
7551 phba
->lpfc_sli_hbq_to_firmware
= lpfc_sli_hbq_to_firmware_s3
;
7552 phba
->lpfc_sli_brdrestart
= lpfc_sli_brdrestart_s3
;
7553 phba
->lpfc_sli_brdready
= lpfc_sli_brdready_s3
;
7555 case LPFC_PCI_DEV_OC
:
7556 phba
->lpfc_sli_issue_mbox
= lpfc_sli_issue_mbox_s4
;
7557 phba
->lpfc_sli_handle_slow_ring_event
=
7558 lpfc_sli_handle_slow_ring_event_s4
;
7559 phba
->lpfc_sli_hbq_to_firmware
= lpfc_sli_hbq_to_firmware_s4
;
7560 phba
->lpfc_sli_brdrestart
= lpfc_sli_brdrestart_s4
;
7561 phba
->lpfc_sli_brdready
= lpfc_sli_brdready_s4
;
7564 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
7565 "1420 Invalid HBA PCI-device group: 0x%x\n",
7574 * __lpfc_sli_ringtx_put - Add an iocb to the txq
7575 * @phba: Pointer to HBA context object.
7576 * @pring: Pointer to driver SLI ring object.
7577 * @piocb: Pointer to address of newly added command iocb.
7579 * This function is called with hbalock held to add a command
7580 * iocb to the txq when SLI layer cannot submit the command iocb
7584 __lpfc_sli_ringtx_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
7585 struct lpfc_iocbq
*piocb
)
7587 /* Insert the caller's iocb in the txq tail for later processing. */
7588 list_add_tail(&piocb
->list
, &pring
->txq
);
7593 * lpfc_sli_next_iocb - Get the next iocb in the txq
7594 * @phba: Pointer to HBA context object.
7595 * @pring: Pointer to driver SLI ring object.
7596 * @piocb: Pointer to address of newly added command iocb.
7598 * This function is called with hbalock held before a new
7599 * iocb is submitted to the firmware. This function checks
7600 * txq to flush the iocbs in txq to Firmware before
7601 * submitting new iocbs to the Firmware.
7602 * If there are iocbs in the txq which need to be submitted
7603 * to firmware, lpfc_sli_next_iocb returns the first element
7604 * of the txq after dequeuing it from txq.
7605 * If there is no iocb in the txq then the function will return
7606 * *piocb and *piocb is set to NULL. Caller needs to check
7607 * *piocb to find if there are more commands in the txq.
7609 static struct lpfc_iocbq
*
7610 lpfc_sli_next_iocb(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
7611 struct lpfc_iocbq
**piocb
)
7613 struct lpfc_iocbq
* nextiocb
;
7615 nextiocb
= lpfc_sli_ringtx_get(phba
, pring
);
7625 * __lpfc_sli_issue_iocb_s3 - SLI3 device lockless ver of lpfc_sli_issue_iocb
7626 * @phba: Pointer to HBA context object.
7627 * @ring_number: SLI ring number to issue iocb on.
7628 * @piocb: Pointer to command iocb.
7629 * @flag: Flag indicating if this command can be put into txq.
7631 * __lpfc_sli_issue_iocb_s3 is used by other functions in the driver to issue
7632 * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is
7633 * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT
7634 * flag is turned on, the function returns IOCB_ERROR. When the link is down,
7635 * this function allows only iocbs for posting buffers. This function finds
7636 * next available slot in the command ring and posts the command to the
7637 * available slot and writes the port attention register to request HBA start
7638 * processing new iocb. If there is no slot available in the ring and
7639 * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise
7640 * the function returns IOCB_BUSY.
7642 * This function is called with hbalock held. The function will return success
7643 * after it successfully submit the iocb to firmware or after adding to the
7647 __lpfc_sli_issue_iocb_s3(struct lpfc_hba
*phba
, uint32_t ring_number
,
7648 struct lpfc_iocbq
*piocb
, uint32_t flag
)
7650 struct lpfc_iocbq
*nextiocb
;
7652 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[ring_number
];
7654 if (piocb
->iocb_cmpl
&& (!piocb
->vport
) &&
7655 (piocb
->iocb
.ulpCommand
!= CMD_ABORT_XRI_CN
) &&
7656 (piocb
->iocb
.ulpCommand
!= CMD_CLOSE_XRI_CN
)) {
7657 lpfc_printf_log(phba
, KERN_ERR
,
7658 LOG_SLI
| LOG_VPORT
,
7659 "1807 IOCB x%x failed. No vport\n",
7660 piocb
->iocb
.ulpCommand
);
7666 /* If the PCI channel is in offline state, do not post iocbs. */
7667 if (unlikely(pci_channel_offline(phba
->pcidev
)))
7670 /* If HBA has a deferred error attention, fail the iocb. */
7671 if (unlikely(phba
->hba_flag
& DEFER_ERATT
))
7675 * We should never get an IOCB if we are in a < LINK_DOWN state
7677 if (unlikely(phba
->link_state
< LPFC_LINK_DOWN
))
7681 * Check to see if we are blocking IOCB processing because of a
7682 * outstanding event.
7684 if (unlikely(pring
->flag
& LPFC_STOP_IOCB_EVENT
))
7687 if (unlikely(phba
->link_state
== LPFC_LINK_DOWN
)) {
7689 * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF
7690 * can be issued if the link is not up.
7692 switch (piocb
->iocb
.ulpCommand
) {
7693 case CMD_GEN_REQUEST64_CR
:
7694 case CMD_GEN_REQUEST64_CX
:
7695 if (!(phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
) ||
7696 (piocb
->iocb
.un
.genreq64
.w5
.hcsw
.Rctl
!=
7697 FC_RCTL_DD_UNSOL_CMD
) ||
7698 (piocb
->iocb
.un
.genreq64
.w5
.hcsw
.Type
!=
7699 MENLO_TRANSPORT_TYPE
))
7703 case CMD_QUE_RING_BUF_CN
:
7704 case CMD_QUE_RING_BUF64_CN
:
7706 * For IOCBs, like QUE_RING_BUF, that have no rsp ring
7707 * completion, iocb_cmpl MUST be 0.
7709 if (piocb
->iocb_cmpl
)
7710 piocb
->iocb_cmpl
= NULL
;
7712 case CMD_CREATE_XRI_CR
:
7713 case CMD_CLOSE_XRI_CN
:
7714 case CMD_CLOSE_XRI_CX
:
7721 * For FCP commands, we must be in a state where we can process link
7724 } else if (unlikely(pring
->ringno
== phba
->sli
.fcp_ring
&&
7725 !(phba
->sli
.sli_flag
& LPFC_PROCESS_LA
))) {
7729 while ((iocb
= lpfc_sli_next_iocb_slot(phba
, pring
)) &&
7730 (nextiocb
= lpfc_sli_next_iocb(phba
, pring
, &piocb
)))
7731 lpfc_sli_submit_iocb(phba
, pring
, iocb
, nextiocb
);
7734 lpfc_sli_update_ring(phba
, pring
);
7736 lpfc_sli_update_full_ring(phba
, pring
);
7739 return IOCB_SUCCESS
;
7744 pring
->stats
.iocb_cmd_delay
++;
7748 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
7749 __lpfc_sli_ringtx_put(phba
, pring
, piocb
);
7750 return IOCB_SUCCESS
;
7757 * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl.
7758 * @phba: Pointer to HBA context object.
7759 * @piocb: Pointer to command iocb.
7760 * @sglq: Pointer to the scatter gather queue object.
7762 * This routine converts the bpl or bde that is in the IOCB
7763 * to a sgl list for the sli4 hardware. The physical address
7764 * of the bpl/bde is converted back to a virtual address.
7765 * If the IOCB contains a BPL then the list of BDE's is
7766 * converted to sli4_sge's. If the IOCB contains a single
7767 * BDE then it is converted to a single sli_sge.
7768 * The IOCB is still in cpu endianess so the contents of
7769 * the bpl can be used without byte swapping.
7771 * Returns valid XRI = Success, NO_XRI = Failure.
7774 lpfc_sli4_bpl2sgl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*piocbq
,
7775 struct lpfc_sglq
*sglq
)
7777 uint16_t xritag
= NO_XRI
;
7778 struct ulp_bde64
*bpl
= NULL
;
7779 struct ulp_bde64 bde
;
7780 struct sli4_sge
*sgl
= NULL
;
7781 struct lpfc_dmabuf
*dmabuf
;
7785 uint32_t offset
= 0; /* accumulated offset in the sg request list */
7786 int inbound
= 0; /* number of sg reply entries inbound from firmware */
7788 if (!piocbq
|| !sglq
)
7791 sgl
= (struct sli4_sge
*)sglq
->sgl
;
7792 icmd
= &piocbq
->iocb
;
7793 if (icmd
->ulpCommand
== CMD_XMIT_BLS_RSP64_CX
)
7794 return sglq
->sli4_xritag
;
7795 if (icmd
->un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BLP_64
) {
7796 numBdes
= icmd
->un
.genreq64
.bdl
.bdeSize
/
7797 sizeof(struct ulp_bde64
);
7798 /* The addrHigh and addrLow fields within the IOCB
7799 * have not been byteswapped yet so there is no
7800 * need to swap them back.
7802 if (piocbq
->context3
)
7803 dmabuf
= (struct lpfc_dmabuf
*)piocbq
->context3
;
7807 bpl
= (struct ulp_bde64
*)dmabuf
->virt
;
7811 for (i
= 0; i
< numBdes
; i
++) {
7812 /* Should already be byte swapped. */
7813 sgl
->addr_hi
= bpl
->addrHigh
;
7814 sgl
->addr_lo
= bpl
->addrLow
;
7816 sgl
->word2
= le32_to_cpu(sgl
->word2
);
7817 if ((i
+1) == numBdes
)
7818 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
7820 bf_set(lpfc_sli4_sge_last
, sgl
, 0);
7821 /* swap the size field back to the cpu so we
7822 * can assign it to the sgl.
7824 bde
.tus
.w
= le32_to_cpu(bpl
->tus
.w
);
7825 sgl
->sge_len
= cpu_to_le32(bde
.tus
.f
.bdeSize
);
7826 /* The offsets in the sgl need to be accumulated
7827 * separately for the request and reply lists.
7828 * The request is always first, the reply follows.
7830 if (piocbq
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
) {
7831 /* add up the reply sg entries */
7832 if (bpl
->tus
.f
.bdeFlags
== BUFF_TYPE_BDE_64I
)
7834 /* first inbound? reset the offset */
7837 bf_set(lpfc_sli4_sge_offset
, sgl
, offset
);
7838 bf_set(lpfc_sli4_sge_type
, sgl
,
7839 LPFC_SGE_TYPE_DATA
);
7840 offset
+= bde
.tus
.f
.bdeSize
;
7842 sgl
->word2
= cpu_to_le32(sgl
->word2
);
7846 } else if (icmd
->un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BDE_64
) {
7847 /* The addrHigh and addrLow fields of the BDE have not
7848 * been byteswapped yet so they need to be swapped
7849 * before putting them in the sgl.
7852 cpu_to_le32(icmd
->un
.genreq64
.bdl
.addrHigh
);
7854 cpu_to_le32(icmd
->un
.genreq64
.bdl
.addrLow
);
7855 sgl
->word2
= le32_to_cpu(sgl
->word2
);
7856 bf_set(lpfc_sli4_sge_last
, sgl
, 1);
7857 sgl
->word2
= cpu_to_le32(sgl
->word2
);
7859 cpu_to_le32(icmd
->un
.genreq64
.bdl
.bdeSize
);
7861 return sglq
->sli4_xritag
;
7865 * lpfc_sli4_scmd_to_wqidx_distr - scsi command to SLI4 WQ index distribution
7866 * @phba: Pointer to HBA context object.
7868 * This routine performs a roundrobin SCSI command to SLI4 FCP WQ index
7869 * distribution. This is called by __lpfc_sli_issue_iocb_s4() with the hbalock
7872 * Return: index into SLI4 fast-path FCP queue index.
7874 static inline uint32_t
7875 lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba
*phba
)
7879 if (phba
->cfg_fcp_io_sched
== LPFC_FCP_SCHED_BY_CPU
)
7880 i
= smp_processor_id();
7882 i
= atomic_add_return(1, &phba
->fcp_qidx
);
7884 i
= (i
% phba
->cfg_fcp_io_channel
);
7889 * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry.
7890 * @phba: Pointer to HBA context object.
7891 * @piocb: Pointer to command iocb.
7892 * @wqe: Pointer to the work queue entry.
7894 * This routine converts the iocb command to its Work Queue Entry
7895 * equivalent. The wqe pointer should not have any fields set when
7896 * this routine is called because it will memcpy over them.
7897 * This routine does not set the CQ_ID or the WQEC bits in the
7900 * Returns: 0 = Success, IOCB_ERROR = Failure.
7903 lpfc_sli4_iocb2wqe(struct lpfc_hba
*phba
, struct lpfc_iocbq
*iocbq
,
7904 union lpfc_wqe
*wqe
)
7906 uint32_t xmit_len
= 0, total_len
= 0;
7910 uint8_t command_type
= ELS_COMMAND_NON_FIP
;
7913 uint16_t abrt_iotag
;
7914 struct lpfc_iocbq
*abrtiocbq
;
7915 struct ulp_bde64
*bpl
= NULL
;
7916 uint32_t els_id
= LPFC_ELS_ID_DEFAULT
;
7918 struct ulp_bde64 bde
;
7919 struct lpfc_nodelist
*ndlp
;
7923 fip
= phba
->hba_flag
& HBA_FIP_SUPPORT
;
7924 /* The fcp commands will set command type */
7925 if (iocbq
->iocb_flag
& LPFC_IO_FCP
)
7926 command_type
= FCP_COMMAND
;
7927 else if (fip
&& (iocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
))
7928 command_type
= ELS_COMMAND_FIP
;
7930 command_type
= ELS_COMMAND_NON_FIP
;
7932 /* Some of the fields are in the right position already */
7933 memcpy(wqe
, &iocbq
->iocb
, sizeof(union lpfc_wqe
));
7934 abort_tag
= (uint32_t) iocbq
->iotag
;
7935 xritag
= iocbq
->sli4_xritag
;
7936 wqe
->generic
.wqe_com
.word7
= 0; /* The ct field has moved so reset */
7937 /* words0-2 bpl convert bde */
7938 if (iocbq
->iocb
.un
.genreq64
.bdl
.bdeFlags
== BUFF_TYPE_BLP_64
) {
7939 numBdes
= iocbq
->iocb
.un
.genreq64
.bdl
.bdeSize
/
7940 sizeof(struct ulp_bde64
);
7941 bpl
= (struct ulp_bde64
*)
7942 ((struct lpfc_dmabuf
*)iocbq
->context3
)->virt
;
7946 /* Should already be byte swapped. */
7947 wqe
->generic
.bde
.addrHigh
= le32_to_cpu(bpl
->addrHigh
);
7948 wqe
->generic
.bde
.addrLow
= le32_to_cpu(bpl
->addrLow
);
7949 /* swap the size field back to the cpu so we
7950 * can assign it to the sgl.
7952 wqe
->generic
.bde
.tus
.w
= le32_to_cpu(bpl
->tus
.w
);
7953 xmit_len
= wqe
->generic
.bde
.tus
.f
.bdeSize
;
7955 for (i
= 0; i
< numBdes
; i
++) {
7956 bde
.tus
.w
= le32_to_cpu(bpl
[i
].tus
.w
);
7957 total_len
+= bde
.tus
.f
.bdeSize
;
7960 xmit_len
= iocbq
->iocb
.un
.fcpi64
.bdl
.bdeSize
;
7962 iocbq
->iocb
.ulpIoTag
= iocbq
->iotag
;
7963 cmnd
= iocbq
->iocb
.ulpCommand
;
7965 switch (iocbq
->iocb
.ulpCommand
) {
7966 case CMD_ELS_REQUEST64_CR
:
7967 if (iocbq
->iocb_flag
& LPFC_IO_LIBDFC
)
7968 ndlp
= iocbq
->context_un
.ndlp
;
7970 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
7971 if (!iocbq
->iocb
.ulpLe
) {
7972 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
7973 "2007 Only Limited Edition cmd Format"
7974 " supported 0x%x\n",
7975 iocbq
->iocb
.ulpCommand
);
7979 wqe
->els_req
.payload_len
= xmit_len
;
7980 /* Els_reguest64 has a TMO */
7981 bf_set(wqe_tmo
, &wqe
->els_req
.wqe_com
,
7982 iocbq
->iocb
.ulpTimeout
);
7983 /* Need a VF for word 4 set the vf bit*/
7984 bf_set(els_req64_vf
, &wqe
->els_req
, 0);
7985 /* And a VFID for word 12 */
7986 bf_set(els_req64_vfid
, &wqe
->els_req
, 0);
7987 ct
= ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
);
7988 bf_set(wqe_ctxt_tag
, &wqe
->els_req
.wqe_com
,
7989 iocbq
->iocb
.ulpContext
);
7990 bf_set(wqe_ct
, &wqe
->els_req
.wqe_com
, ct
);
7991 bf_set(wqe_pu
, &wqe
->els_req
.wqe_com
, 0);
7992 /* CCP CCPE PV PRI in word10 were set in the memcpy */
7993 if (command_type
== ELS_COMMAND_FIP
)
7994 els_id
= ((iocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
)
7995 >> LPFC_FIP_ELS_ID_SHIFT
);
7996 pcmd
= (uint32_t *) (((struct lpfc_dmabuf
*)
7997 iocbq
->context2
)->virt
);
7998 if_type
= bf_get(lpfc_sli_intf_if_type
,
7999 &phba
->sli4_hba
.sli_intf
);
8000 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
8001 if (pcmd
&& (*pcmd
== ELS_CMD_FLOGI
||
8002 *pcmd
== ELS_CMD_SCR
||
8003 *pcmd
== ELS_CMD_FDISC
||
8004 *pcmd
== ELS_CMD_LOGO
||
8005 *pcmd
== ELS_CMD_PLOGI
)) {
8006 bf_set(els_req64_sp
, &wqe
->els_req
, 1);
8007 bf_set(els_req64_sid
, &wqe
->els_req
,
8008 iocbq
->vport
->fc_myDID
);
8009 if ((*pcmd
== ELS_CMD_FLOGI
) &&
8010 !(phba
->fc_topology
==
8011 LPFC_TOPOLOGY_LOOP
))
8012 bf_set(els_req64_sid
, &wqe
->els_req
, 0);
8013 bf_set(wqe_ct
, &wqe
->els_req
.wqe_com
, 1);
8014 bf_set(wqe_ctxt_tag
, &wqe
->els_req
.wqe_com
,
8015 phba
->vpi_ids
[iocbq
->vport
->vpi
]);
8016 } else if (pcmd
&& iocbq
->context1
) {
8017 bf_set(wqe_ct
, &wqe
->els_req
.wqe_com
, 0);
8018 bf_set(wqe_ctxt_tag
, &wqe
->els_req
.wqe_com
,
8019 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
8022 bf_set(wqe_temp_rpi
, &wqe
->els_req
.wqe_com
,
8023 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
8024 bf_set(wqe_els_id
, &wqe
->els_req
.wqe_com
, els_id
);
8025 bf_set(wqe_dbde
, &wqe
->els_req
.wqe_com
, 1);
8026 bf_set(wqe_iod
, &wqe
->els_req
.wqe_com
, LPFC_WQE_IOD_READ
);
8027 bf_set(wqe_qosd
, &wqe
->els_req
.wqe_com
, 1);
8028 bf_set(wqe_lenloc
, &wqe
->els_req
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
8029 bf_set(wqe_ebde_cnt
, &wqe
->els_req
.wqe_com
, 0);
8031 case CMD_XMIT_SEQUENCE64_CX
:
8032 bf_set(wqe_ctxt_tag
, &wqe
->xmit_sequence
.wqe_com
,
8033 iocbq
->iocb
.un
.ulpWord
[3]);
8034 bf_set(wqe_rcvoxid
, &wqe
->xmit_sequence
.wqe_com
,
8035 iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
);
8036 /* The entire sequence is transmitted for this IOCB */
8037 xmit_len
= total_len
;
8038 cmnd
= CMD_XMIT_SEQUENCE64_CR
;
8039 if (phba
->link_flag
& LS_LOOPBACK_MODE
)
8040 bf_set(wqe_xo
, &wqe
->xmit_sequence
.wge_ctl
, 1);
8041 case CMD_XMIT_SEQUENCE64_CR
:
8042 /* word3 iocb=io_tag32 wqe=reserved */
8043 wqe
->xmit_sequence
.rsvd3
= 0;
8044 /* word4 relative_offset memcpy */
8045 /* word5 r_ctl/df_ctl memcpy */
8046 bf_set(wqe_pu
, &wqe
->xmit_sequence
.wqe_com
, 0);
8047 bf_set(wqe_dbde
, &wqe
->xmit_sequence
.wqe_com
, 1);
8048 bf_set(wqe_iod
, &wqe
->xmit_sequence
.wqe_com
,
8049 LPFC_WQE_IOD_WRITE
);
8050 bf_set(wqe_lenloc
, &wqe
->xmit_sequence
.wqe_com
,
8051 LPFC_WQE_LENLOC_WORD12
);
8052 bf_set(wqe_ebde_cnt
, &wqe
->xmit_sequence
.wqe_com
, 0);
8053 wqe
->xmit_sequence
.xmit_len
= xmit_len
;
8054 command_type
= OTHER_COMMAND
;
8056 case CMD_XMIT_BCAST64_CN
:
8057 /* word3 iocb=iotag32 wqe=seq_payload_len */
8058 wqe
->xmit_bcast64
.seq_payload_len
= xmit_len
;
8059 /* word4 iocb=rsvd wqe=rsvd */
8060 /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */
8061 /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */
8062 bf_set(wqe_ct
, &wqe
->xmit_bcast64
.wqe_com
,
8063 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
8064 bf_set(wqe_dbde
, &wqe
->xmit_bcast64
.wqe_com
, 1);
8065 bf_set(wqe_iod
, &wqe
->xmit_bcast64
.wqe_com
, LPFC_WQE_IOD_WRITE
);
8066 bf_set(wqe_lenloc
, &wqe
->xmit_bcast64
.wqe_com
,
8067 LPFC_WQE_LENLOC_WORD3
);
8068 bf_set(wqe_ebde_cnt
, &wqe
->xmit_bcast64
.wqe_com
, 0);
8070 case CMD_FCP_IWRITE64_CR
:
8071 command_type
= FCP_COMMAND_DATA_OUT
;
8072 /* word3 iocb=iotag wqe=payload_offset_len */
8073 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8074 wqe
->fcp_iwrite
.payload_offset_len
=
8075 xmit_len
+ sizeof(struct fcp_rsp
);
8076 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
8077 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
8078 bf_set(wqe_erp
, &wqe
->fcp_iwrite
.wqe_com
,
8079 iocbq
->iocb
.ulpFCP2Rcvy
);
8080 bf_set(wqe_lnk
, &wqe
->fcp_iwrite
.wqe_com
, iocbq
->iocb
.ulpXS
);
8081 /* Always open the exchange */
8082 bf_set(wqe_xc
, &wqe
->fcp_iwrite
.wqe_com
, 0);
8083 bf_set(wqe_iod
, &wqe
->fcp_iwrite
.wqe_com
, LPFC_WQE_IOD_WRITE
);
8084 bf_set(wqe_lenloc
, &wqe
->fcp_iwrite
.wqe_com
,
8085 LPFC_WQE_LENLOC_WORD4
);
8086 bf_set(wqe_ebde_cnt
, &wqe
->fcp_iwrite
.wqe_com
, 0);
8087 bf_set(wqe_pu
, &wqe
->fcp_iwrite
.wqe_com
, iocbq
->iocb
.ulpPU
);
8088 bf_set(wqe_dbde
, &wqe
->fcp_iwrite
.wqe_com
, 1);
8090 case CMD_FCP_IREAD64_CR
:
8091 /* word3 iocb=iotag wqe=payload_offset_len */
8092 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8093 wqe
->fcp_iread
.payload_offset_len
=
8094 xmit_len
+ sizeof(struct fcp_rsp
);
8095 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
8096 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
8097 bf_set(wqe_erp
, &wqe
->fcp_iread
.wqe_com
,
8098 iocbq
->iocb
.ulpFCP2Rcvy
);
8099 bf_set(wqe_lnk
, &wqe
->fcp_iread
.wqe_com
, iocbq
->iocb
.ulpXS
);
8100 /* Always open the exchange */
8101 bf_set(wqe_xc
, &wqe
->fcp_iread
.wqe_com
, 0);
8102 bf_set(wqe_iod
, &wqe
->fcp_iread
.wqe_com
, LPFC_WQE_IOD_READ
);
8103 bf_set(wqe_lenloc
, &wqe
->fcp_iread
.wqe_com
,
8104 LPFC_WQE_LENLOC_WORD4
);
8105 bf_set(wqe_ebde_cnt
, &wqe
->fcp_iread
.wqe_com
, 0);
8106 bf_set(wqe_pu
, &wqe
->fcp_iread
.wqe_com
, iocbq
->iocb
.ulpPU
);
8107 bf_set(wqe_dbde
, &wqe
->fcp_iread
.wqe_com
, 1);
8109 case CMD_FCP_ICMND64_CR
:
8110 /* word3 iocb=IO_TAG wqe=reserved */
8111 wqe
->fcp_icmd
.rsrvd3
= 0;
8112 bf_set(wqe_pu
, &wqe
->fcp_icmd
.wqe_com
, 0);
8113 /* Always open the exchange */
8114 bf_set(wqe_xc
, &wqe
->fcp_icmd
.wqe_com
, 0);
8115 bf_set(wqe_dbde
, &wqe
->fcp_icmd
.wqe_com
, 1);
8116 bf_set(wqe_iod
, &wqe
->fcp_icmd
.wqe_com
, LPFC_WQE_IOD_WRITE
);
8117 bf_set(wqe_qosd
, &wqe
->fcp_icmd
.wqe_com
, 1);
8118 bf_set(wqe_lenloc
, &wqe
->fcp_icmd
.wqe_com
,
8119 LPFC_WQE_LENLOC_NONE
);
8120 bf_set(wqe_ebde_cnt
, &wqe
->fcp_icmd
.wqe_com
, 0);
8121 bf_set(wqe_erp
, &wqe
->fcp_icmd
.wqe_com
,
8122 iocbq
->iocb
.ulpFCP2Rcvy
);
8124 case CMD_GEN_REQUEST64_CR
:
8125 /* For this command calculate the xmit length of the
8129 numBdes
= iocbq
->iocb
.un
.genreq64
.bdl
.bdeSize
/
8130 sizeof(struct ulp_bde64
);
8131 for (i
= 0; i
< numBdes
; i
++) {
8132 bde
.tus
.w
= le32_to_cpu(bpl
[i
].tus
.w
);
8133 if (bde
.tus
.f
.bdeFlags
!= BUFF_TYPE_BDE_64
)
8135 xmit_len
+= bde
.tus
.f
.bdeSize
;
8137 /* word3 iocb=IO_TAG wqe=request_payload_len */
8138 wqe
->gen_req
.request_payload_len
= xmit_len
;
8139 /* word4 iocb=parameter wqe=relative_offset memcpy */
8140 /* word5 [rctl, type, df_ctl, la] copied in memcpy */
8141 /* word6 context tag copied in memcpy */
8142 if (iocbq
->iocb
.ulpCt_h
|| iocbq
->iocb
.ulpCt_l
) {
8143 ct
= ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
);
8144 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8145 "2015 Invalid CT %x command 0x%x\n",
8146 ct
, iocbq
->iocb
.ulpCommand
);
8149 bf_set(wqe_ct
, &wqe
->gen_req
.wqe_com
, 0);
8150 bf_set(wqe_tmo
, &wqe
->gen_req
.wqe_com
, iocbq
->iocb
.ulpTimeout
);
8151 bf_set(wqe_pu
, &wqe
->gen_req
.wqe_com
, iocbq
->iocb
.ulpPU
);
8152 bf_set(wqe_dbde
, &wqe
->gen_req
.wqe_com
, 1);
8153 bf_set(wqe_iod
, &wqe
->gen_req
.wqe_com
, LPFC_WQE_IOD_READ
);
8154 bf_set(wqe_qosd
, &wqe
->gen_req
.wqe_com
, 1);
8155 bf_set(wqe_lenloc
, &wqe
->gen_req
.wqe_com
, LPFC_WQE_LENLOC_NONE
);
8156 bf_set(wqe_ebde_cnt
, &wqe
->gen_req
.wqe_com
, 0);
8157 command_type
= OTHER_COMMAND
;
8159 case CMD_XMIT_ELS_RSP64_CX
:
8160 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
8161 /* words0-2 BDE memcpy */
8162 /* word3 iocb=iotag32 wqe=response_payload_len */
8163 wqe
->xmit_els_rsp
.response_payload_len
= xmit_len
;
8165 wqe
->xmit_els_rsp
.word4
= 0;
8166 /* word5 iocb=rsvd wge=did */
8167 bf_set(wqe_els_did
, &wqe
->xmit_els_rsp
.wqe_dest
,
8168 iocbq
->iocb
.un
.xseq64
.xmit_els_remoteID
);
8170 if_type
= bf_get(lpfc_sli_intf_if_type
,
8171 &phba
->sli4_hba
.sli_intf
);
8172 if (if_type
== LPFC_SLI_INTF_IF_TYPE_2
) {
8173 if (iocbq
->vport
->fc_flag
& FC_PT2PT
) {
8174 bf_set(els_rsp64_sp
, &wqe
->xmit_els_rsp
, 1);
8175 bf_set(els_rsp64_sid
, &wqe
->xmit_els_rsp
,
8176 iocbq
->vport
->fc_myDID
);
8177 if (iocbq
->vport
->fc_myDID
== Fabric_DID
) {
8179 &wqe
->xmit_els_rsp
.wqe_dest
, 0);
8183 bf_set(wqe_ct
, &wqe
->xmit_els_rsp
.wqe_com
,
8184 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
8185 bf_set(wqe_pu
, &wqe
->xmit_els_rsp
.wqe_com
, iocbq
->iocb
.ulpPU
);
8186 bf_set(wqe_rcvoxid
, &wqe
->xmit_els_rsp
.wqe_com
,
8187 iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
);
8188 if (!iocbq
->iocb
.ulpCt_h
&& iocbq
->iocb
.ulpCt_l
)
8189 bf_set(wqe_ctxt_tag
, &wqe
->xmit_els_rsp
.wqe_com
,
8190 phba
->vpi_ids
[iocbq
->vport
->vpi
]);
8191 bf_set(wqe_dbde
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
8192 bf_set(wqe_iod
, &wqe
->xmit_els_rsp
.wqe_com
, LPFC_WQE_IOD_WRITE
);
8193 bf_set(wqe_qosd
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
8194 bf_set(wqe_lenloc
, &wqe
->xmit_els_rsp
.wqe_com
,
8195 LPFC_WQE_LENLOC_WORD3
);
8196 bf_set(wqe_ebde_cnt
, &wqe
->xmit_els_rsp
.wqe_com
, 0);
8197 bf_set(wqe_rsp_temp_rpi
, &wqe
->xmit_els_rsp
,
8198 phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
]);
8199 pcmd
= (uint32_t *) (((struct lpfc_dmabuf
*)
8200 iocbq
->context2
)->virt
);
8201 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
8202 bf_set(els_rsp64_sp
, &wqe
->xmit_els_rsp
, 1);
8203 bf_set(els_rsp64_sid
, &wqe
->xmit_els_rsp
,
8204 iocbq
->vport
->fc_myDID
);
8205 bf_set(wqe_ct
, &wqe
->xmit_els_rsp
.wqe_com
, 1);
8206 bf_set(wqe_ctxt_tag
, &wqe
->xmit_els_rsp
.wqe_com
,
8207 phba
->vpi_ids
[phba
->pport
->vpi
]);
8209 command_type
= OTHER_COMMAND
;
8211 case CMD_CLOSE_XRI_CN
:
8212 case CMD_ABORT_XRI_CN
:
8213 case CMD_ABORT_XRI_CX
:
8214 /* words 0-2 memcpy should be 0 rserved */
8215 /* port will send abts */
8216 abrt_iotag
= iocbq
->iocb
.un
.acxri
.abortContextTag
;
8217 if (abrt_iotag
!= 0 && abrt_iotag
<= phba
->sli
.last_iotag
) {
8218 abrtiocbq
= phba
->sli
.iocbq_lookup
[abrt_iotag
];
8219 fip
= abrtiocbq
->iocb_flag
& LPFC_FIP_ELS_ID_MASK
;
8223 if ((iocbq
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
) || fip
)
8225 * The link is down, or the command was ELS_FIP
8226 * so the fw does not need to send abts
8229 bf_set(abort_cmd_ia
, &wqe
->abort_cmd
, 1);
8231 bf_set(abort_cmd_ia
, &wqe
->abort_cmd
, 0);
8232 bf_set(abort_cmd_criteria
, &wqe
->abort_cmd
, T_XRI_TAG
);
8233 /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */
8234 wqe
->abort_cmd
.rsrvd5
= 0;
8235 bf_set(wqe_ct
, &wqe
->abort_cmd
.wqe_com
,
8236 ((iocbq
->iocb
.ulpCt_h
<< 1) | iocbq
->iocb
.ulpCt_l
));
8237 abort_tag
= iocbq
->iocb
.un
.acxri
.abortIoTag
;
8239 * The abort handler will send us CMD_ABORT_XRI_CN or
8240 * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX
8242 bf_set(wqe_cmnd
, &wqe
->abort_cmd
.wqe_com
, CMD_ABORT_XRI_CX
);
8243 bf_set(wqe_qosd
, &wqe
->abort_cmd
.wqe_com
, 1);
8244 bf_set(wqe_lenloc
, &wqe
->abort_cmd
.wqe_com
,
8245 LPFC_WQE_LENLOC_NONE
);
8246 cmnd
= CMD_ABORT_XRI_CX
;
8247 command_type
= OTHER_COMMAND
;
8250 case CMD_XMIT_BLS_RSP64_CX
:
8251 ndlp
= (struct lpfc_nodelist
*)iocbq
->context1
;
8252 /* As BLS ABTS RSP WQE is very different from other WQEs,
8253 * we re-construct this WQE here based on information in
8254 * iocbq from scratch.
8256 memset(wqe
, 0, sizeof(union lpfc_wqe
));
8257 /* OX_ID is invariable to who sent ABTS to CT exchange */
8258 bf_set(xmit_bls_rsp64_oxid
, &wqe
->xmit_bls_rsp
,
8259 bf_get(lpfc_abts_oxid
, &iocbq
->iocb
.un
.bls_rsp
));
8260 if (bf_get(lpfc_abts_orig
, &iocbq
->iocb
.un
.bls_rsp
) ==
8261 LPFC_ABTS_UNSOL_INT
) {
8262 /* ABTS sent by initiator to CT exchange, the
8263 * RX_ID field will be filled with the newly
8264 * allocated responder XRI.
8266 bf_set(xmit_bls_rsp64_rxid
, &wqe
->xmit_bls_rsp
,
8267 iocbq
->sli4_xritag
);
8269 /* ABTS sent by responder to CT exchange, the
8270 * RX_ID field will be filled with the responder
8273 bf_set(xmit_bls_rsp64_rxid
, &wqe
->xmit_bls_rsp
,
8274 bf_get(lpfc_abts_rxid
, &iocbq
->iocb
.un
.bls_rsp
));
8276 bf_set(xmit_bls_rsp64_seqcnthi
, &wqe
->xmit_bls_rsp
, 0xffff);
8277 bf_set(wqe_xmit_bls_pt
, &wqe
->xmit_bls_rsp
.wqe_dest
, 0x1);
8280 bf_set(wqe_els_did
, &wqe
->xmit_bls_rsp
.wqe_dest
,
8282 bf_set(xmit_bls_rsp64_temprpi
, &wqe
->xmit_bls_rsp
,
8283 iocbq
->iocb
.ulpContext
);
8284 bf_set(wqe_ct
, &wqe
->xmit_bls_rsp
.wqe_com
, 1);
8285 bf_set(wqe_ctxt_tag
, &wqe
->xmit_bls_rsp
.wqe_com
,
8286 phba
->vpi_ids
[phba
->pport
->vpi
]);
8287 bf_set(wqe_qosd
, &wqe
->xmit_bls_rsp
.wqe_com
, 1);
8288 bf_set(wqe_lenloc
, &wqe
->xmit_bls_rsp
.wqe_com
,
8289 LPFC_WQE_LENLOC_NONE
);
8290 /* Overwrite the pre-set comnd type with OTHER_COMMAND */
8291 command_type
= OTHER_COMMAND
;
8292 if (iocbq
->iocb
.un
.xseq64
.w5
.hcsw
.Rctl
== FC_RCTL_BA_RJT
) {
8293 bf_set(xmit_bls_rsp64_rjt_vspec
, &wqe
->xmit_bls_rsp
,
8294 bf_get(lpfc_vndr_code
, &iocbq
->iocb
.un
.bls_rsp
));
8295 bf_set(xmit_bls_rsp64_rjt_expc
, &wqe
->xmit_bls_rsp
,
8296 bf_get(lpfc_rsn_expln
, &iocbq
->iocb
.un
.bls_rsp
));
8297 bf_set(xmit_bls_rsp64_rjt_rsnc
, &wqe
->xmit_bls_rsp
,
8298 bf_get(lpfc_rsn_code
, &iocbq
->iocb
.un
.bls_rsp
));
8302 case CMD_XRI_ABORTED_CX
:
8303 case CMD_CREATE_XRI_CR
: /* Do we expect to use this? */
8304 case CMD_IOCB_FCP_IBIDIR64_CR
: /* bidirectional xfer */
8305 case CMD_FCP_TSEND64_CX
: /* Target mode send xfer-ready */
8306 case CMD_FCP_TRSP64_CX
: /* Target mode rcv */
8307 case CMD_FCP_AUTO_TRSP_CX
: /* Auto target rsp */
8309 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8310 "2014 Invalid command 0x%x\n",
8311 iocbq
->iocb
.ulpCommand
);
8316 if (iocbq
->iocb_flag
& LPFC_IO_DIF_PASS
)
8317 bf_set(wqe_dif
, &wqe
->generic
.wqe_com
, LPFC_WQE_DIF_PASSTHRU
);
8318 else if (iocbq
->iocb_flag
& LPFC_IO_DIF_STRIP
)
8319 bf_set(wqe_dif
, &wqe
->generic
.wqe_com
, LPFC_WQE_DIF_STRIP
);
8320 else if (iocbq
->iocb_flag
& LPFC_IO_DIF_INSERT
)
8321 bf_set(wqe_dif
, &wqe
->generic
.wqe_com
, LPFC_WQE_DIF_INSERT
);
8322 iocbq
->iocb_flag
&= ~(LPFC_IO_DIF_PASS
| LPFC_IO_DIF_STRIP
|
8323 LPFC_IO_DIF_INSERT
);
8324 bf_set(wqe_xri_tag
, &wqe
->generic
.wqe_com
, xritag
);
8325 bf_set(wqe_reqtag
, &wqe
->generic
.wqe_com
, iocbq
->iotag
);
8326 wqe
->generic
.wqe_com
.abort_tag
= abort_tag
;
8327 bf_set(wqe_cmd_type
, &wqe
->generic
.wqe_com
, command_type
);
8328 bf_set(wqe_cmnd
, &wqe
->generic
.wqe_com
, cmnd
);
8329 bf_set(wqe_class
, &wqe
->generic
.wqe_com
, iocbq
->iocb
.ulpClass
);
8330 bf_set(wqe_cqid
, &wqe
->generic
.wqe_com
, LPFC_WQE_CQ_ID_DEFAULT
);
8335 * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb
8336 * @phba: Pointer to HBA context object.
8337 * @ring_number: SLI ring number to issue iocb on.
8338 * @piocb: Pointer to command iocb.
8339 * @flag: Flag indicating if this command can be put into txq.
8341 * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue
8342 * an iocb command to an HBA with SLI-4 interface spec.
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_s4(struct lpfc_hba
*phba
, uint32_t ring_number
,
8350 struct lpfc_iocbq
*piocb
, uint32_t flag
)
8352 struct lpfc_sglq
*sglq
;
8354 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[ring_number
];
8356 if (piocb
->sli4_xritag
== NO_XRI
) {
8357 if (piocb
->iocb
.ulpCommand
== CMD_ABORT_XRI_CN
||
8358 piocb
->iocb
.ulpCommand
== CMD_CLOSE_XRI_CN
)
8361 if (pring
->txq_cnt
) {
8362 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
8363 __lpfc_sli_ringtx_put(phba
,
8365 return IOCB_SUCCESS
;
8370 sglq
= __lpfc_sli_get_sglq(phba
, piocb
);
8372 if (!(flag
& SLI_IOCB_RET_IOCB
)) {
8373 __lpfc_sli_ringtx_put(phba
,
8376 return IOCB_SUCCESS
;
8382 } else if (piocb
->iocb_flag
& LPFC_IO_FCP
) {
8383 /* These IO's already have an XRI and a mapped sgl. */
8387 * This is a continuation of a commandi,(CX) so this
8388 * sglq is on the active list
8390 sglq
= __lpfc_get_active_sglq(phba
, piocb
->sli4_lxritag
);
8396 piocb
->sli4_lxritag
= sglq
->sli4_lxritag
;
8397 piocb
->sli4_xritag
= sglq
->sli4_xritag
;
8398 if (NO_XRI
== lpfc_sli4_bpl2sgl(phba
, piocb
, sglq
))
8402 if (lpfc_sli4_iocb2wqe(phba
, piocb
, &wqe
))
8405 if ((piocb
->iocb_flag
& LPFC_IO_FCP
) ||
8406 (piocb
->iocb_flag
& LPFC_USE_FCPWQIDX
)) {
8407 if (lpfc_sli4_wq_put(phba
->sli4_hba
.fcp_wq
[piocb
->fcp_wqidx
],
8411 if (lpfc_sli4_wq_put(phba
->sli4_hba
.els_wq
, &wqe
))
8414 lpfc_sli_ringtxcmpl_put(phba
, pring
, piocb
);
8420 * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb
8422 * This routine wraps the actual lockless version for issusing IOCB function
8423 * pointer from the lpfc_hba struct.
8426 * IOCB_ERROR - Error
8427 * IOCB_SUCCESS - Success
8431 __lpfc_sli_issue_iocb(struct lpfc_hba
*phba
, uint32_t ring_number
,
8432 struct lpfc_iocbq
*piocb
, uint32_t flag
)
8434 return phba
->__lpfc_sli_issue_iocb(phba
, ring_number
, piocb
, flag
);
8438 * lpfc_sli_api_table_setup - Set up sli api function jump table
8439 * @phba: The hba struct for which this call is being executed.
8440 * @dev_grp: The HBA PCI-Device group number.
8442 * This routine sets up the SLI interface API function jump table in @phba
8444 * Returns: 0 - success, -ENODEV - failure.
8447 lpfc_sli_api_table_setup(struct lpfc_hba
*phba
, uint8_t dev_grp
)
8451 case LPFC_PCI_DEV_LP
:
8452 phba
->__lpfc_sli_issue_iocb
= __lpfc_sli_issue_iocb_s3
;
8453 phba
->__lpfc_sli_release_iocbq
= __lpfc_sli_release_iocbq_s3
;
8455 case LPFC_PCI_DEV_OC
:
8456 phba
->__lpfc_sli_issue_iocb
= __lpfc_sli_issue_iocb_s4
;
8457 phba
->__lpfc_sli_release_iocbq
= __lpfc_sli_release_iocbq_s4
;
8460 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
8461 "1419 Invalid HBA PCI-device group: 0x%x\n",
8466 phba
->lpfc_get_iocb_from_iocbq
= lpfc_get_iocb_from_iocbq
;
8471 * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb
8472 * @phba: Pointer to HBA context object.
8473 * @pring: Pointer to driver SLI ring object.
8474 * @piocb: Pointer to command iocb.
8475 * @flag: Flag indicating if this command can be put into txq.
8477 * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb
8478 * function. This function gets the hbalock and calls
8479 * __lpfc_sli_issue_iocb function and will return the error returned
8480 * by __lpfc_sli_issue_iocb function. This wrapper is used by
8481 * functions which do not hold hbalock.
8484 lpfc_sli_issue_iocb(struct lpfc_hba
*phba
, uint32_t ring_number
,
8485 struct lpfc_iocbq
*piocb
, uint32_t flag
)
8487 struct lpfc_fcp_eq_hdl
*fcp_eq_hdl
;
8488 struct lpfc_sli_ring
*pring
;
8489 struct lpfc_queue
*fpeq
;
8490 struct lpfc_eqe
*eqe
;
8491 unsigned long iflags
;
8494 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
8495 if (piocb
->iocb_flag
& LPFC_IO_FCP
) {
8496 if (unlikely(!phba
->sli4_hba
.fcp_wq
))
8498 idx
= lpfc_sli4_scmd_to_wqidx_distr(phba
);
8499 piocb
->fcp_wqidx
= idx
;
8500 ring_number
= MAX_SLI3_CONFIGURED_RINGS
+ idx
;
8502 pring
= &phba
->sli
.ring
[ring_number
];
8503 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
8504 rc
= __lpfc_sli_issue_iocb(phba
, ring_number
, piocb
,
8506 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
8508 if (lpfc_fcp_look_ahead
) {
8509 fcp_eq_hdl
= &phba
->sli4_hba
.fcp_eq_hdl
[idx
];
8511 if (atomic_dec_and_test(&fcp_eq_hdl
->
8514 /* Get associated EQ with this index */
8515 fpeq
= phba
->sli4_hba
.hba_eq
[idx
];
8517 /* Turn off interrupts from this EQ */
8518 lpfc_sli4_eq_clr_intr(fpeq
);
8521 * Process all the events on FCP EQ
8523 while ((eqe
= lpfc_sli4_eq_get(fpeq
))) {
8524 lpfc_sli4_hba_handle_eqe(phba
,
8526 fpeq
->EQ_processed
++;
8529 /* Always clear and re-arm the EQ */
8530 lpfc_sli4_eq_release(fpeq
,
8533 atomic_inc(&fcp_eq_hdl
->fcp_eq_in_use
);
8536 pring
= &phba
->sli
.ring
[ring_number
];
8537 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
8538 rc
= __lpfc_sli_issue_iocb(phba
, ring_number
, piocb
,
8540 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
8544 /* For now, SLI2/3 will still use hbalock */
8545 spin_lock_irqsave(&phba
->hbalock
, iflags
);
8546 rc
= __lpfc_sli_issue_iocb(phba
, ring_number
, piocb
, flag
);
8547 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
8553 * lpfc_extra_ring_setup - Extra ring setup function
8554 * @phba: Pointer to HBA context object.
8556 * This function is called while driver attaches with the
8557 * HBA to setup the extra ring. The extra ring is used
8558 * only when driver needs to support target mode functionality
8559 * or IP over FC functionalities.
8561 * This function is called with no lock held.
8564 lpfc_extra_ring_setup( struct lpfc_hba
*phba
)
8566 struct lpfc_sli
*psli
;
8567 struct lpfc_sli_ring
*pring
;
8571 /* Adjust cmd/rsp ring iocb entries more evenly */
8573 /* Take some away from the FCP ring */
8574 pring
= &psli
->ring
[psli
->fcp_ring
];
8575 pring
->sli
.sli3
.numCiocb
-= SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
8576 pring
->sli
.sli3
.numRiocb
-= SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
8577 pring
->sli
.sli3
.numCiocb
-= SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
8578 pring
->sli
.sli3
.numRiocb
-= SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
8580 /* and give them to the extra ring */
8581 pring
= &psli
->ring
[psli
->extra_ring
];
8583 pring
->sli
.sli3
.numCiocb
+= SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
8584 pring
->sli
.sli3
.numRiocb
+= SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
8585 pring
->sli
.sli3
.numCiocb
+= SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
8586 pring
->sli
.sli3
.numRiocb
+= SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
8588 /* Setup default profile for this ring */
8589 pring
->iotag_max
= 4096;
8590 pring
->num_mask
= 1;
8591 pring
->prt
[0].profile
= 0; /* Mask 0 */
8592 pring
->prt
[0].rctl
= phba
->cfg_multi_ring_rctl
;
8593 pring
->prt
[0].type
= phba
->cfg_multi_ring_type
;
8594 pring
->prt
[0].lpfc_sli_rcv_unsol_event
= NULL
;
8598 /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port.
8599 * @phba: Pointer to HBA context object.
8600 * @iocbq: Pointer to iocb object.
8602 * The async_event handler calls this routine when it receives
8603 * an ASYNC_STATUS_CN event from the port. The port generates
8604 * this event when an Abort Sequence request to an rport fails
8605 * twice in succession. The abort could be originated by the
8606 * driver or by the port. The ABTS could have been for an ELS
8607 * or FCP IO. The port only generates this event when an ABTS
8608 * fails to complete after one retry.
8611 lpfc_sli_abts_err_handler(struct lpfc_hba
*phba
,
8612 struct lpfc_iocbq
*iocbq
)
8614 struct lpfc_nodelist
*ndlp
= NULL
;
8615 uint16_t rpi
= 0, vpi
= 0;
8616 struct lpfc_vport
*vport
= NULL
;
8618 /* The rpi in the ulpContext is vport-sensitive. */
8619 vpi
= iocbq
->iocb
.un
.asyncstat
.sub_ctxt_tag
;
8620 rpi
= iocbq
->iocb
.ulpContext
;
8622 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
8623 "3092 Port generated ABTS async event "
8624 "on vpi %d rpi %d status 0x%x\n",
8625 vpi
, rpi
, iocbq
->iocb
.ulpStatus
);
8627 vport
= lpfc_find_vport_by_vpid(phba
, vpi
);
8630 ndlp
= lpfc_findnode_rpi(vport
, rpi
);
8631 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
))
8634 if (iocbq
->iocb
.ulpStatus
== IOSTAT_LOCAL_REJECT
)
8635 lpfc_sli_abts_recover_port(vport
, ndlp
);
8639 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
8640 "3095 Event Context not found, no "
8641 "action on vpi %d rpi %d status 0x%x, reason 0x%x\n",
8642 iocbq
->iocb
.ulpContext
, iocbq
->iocb
.ulpStatus
,
8646 /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port.
8647 * @phba: pointer to HBA context object.
8648 * @ndlp: nodelist pointer for the impacted rport.
8649 * @axri: pointer to the wcqe containing the failed exchange.
8651 * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the
8652 * port. The port generates this event when an abort exchange request to an
8653 * rport fails twice in succession with no reply. The abort could be originated
8654 * by the driver or by the port. The ABTS could have been for an ELS or FCP IO.
8657 lpfc_sli4_abts_err_handler(struct lpfc_hba
*phba
,
8658 struct lpfc_nodelist
*ndlp
,
8659 struct sli4_wcqe_xri_aborted
*axri
)
8661 struct lpfc_vport
*vport
;
8662 uint32_t ext_status
= 0;
8664 if (!ndlp
|| !NLP_CHK_NODE_ACT(ndlp
)) {
8665 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
8666 "3115 Node Context not found, driver "
8667 "ignoring abts err event\n");
8671 vport
= ndlp
->vport
;
8672 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
8673 "3116 Port generated FCP XRI ABORT event on "
8674 "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n",
8675 ndlp
->vport
->vpi
, ndlp
->nlp_rpi
,
8676 bf_get(lpfc_wcqe_xa_xri
, axri
),
8677 bf_get(lpfc_wcqe_xa_status
, axri
),
8681 * Catch the ABTS protocol failure case. Older OCe FW releases returned
8682 * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and
8683 * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT.
8685 ext_status
= axri
->parameter
& IOERR_PARAM_MASK
;
8686 if ((bf_get(lpfc_wcqe_xa_status
, axri
) == IOSTAT_LOCAL_REJECT
) &&
8687 ((ext_status
== IOERR_SEQUENCE_TIMEOUT
) || (ext_status
== 0)))
8688 lpfc_sli_abts_recover_port(vport
, ndlp
);
8692 * lpfc_sli_async_event_handler - ASYNC iocb handler function
8693 * @phba: Pointer to HBA context object.
8694 * @pring: Pointer to driver SLI ring object.
8695 * @iocbq: Pointer to iocb object.
8697 * This function is called by the slow ring event handler
8698 * function when there is an ASYNC event iocb in the ring.
8699 * This function is called with no lock held.
8700 * Currently this function handles only temperature related
8701 * ASYNC events. The function decodes the temperature sensor
8702 * event message and posts events for the management applications.
8705 lpfc_sli_async_event_handler(struct lpfc_hba
* phba
,
8706 struct lpfc_sli_ring
* pring
, struct lpfc_iocbq
* iocbq
)
8710 struct temp_event temp_event_data
;
8711 struct Scsi_Host
*shost
;
8714 icmd
= &iocbq
->iocb
;
8715 evt_code
= icmd
->un
.asyncstat
.evt_code
;
8718 case ASYNC_TEMP_WARN
:
8719 case ASYNC_TEMP_SAFE
:
8720 temp_event_data
.data
= (uint32_t) icmd
->ulpContext
;
8721 temp_event_data
.event_type
= FC_REG_TEMPERATURE_EVENT
;
8722 if (evt_code
== ASYNC_TEMP_WARN
) {
8723 temp_event_data
.event_code
= LPFC_THRESHOLD_TEMP
;
8724 lpfc_printf_log(phba
, KERN_ERR
, LOG_TEMP
,
8725 "0347 Adapter is very hot, please take "
8726 "corrective action. temperature : %d Celsius\n",
8727 (uint32_t) icmd
->ulpContext
);
8729 temp_event_data
.event_code
= LPFC_NORMAL_TEMP
;
8730 lpfc_printf_log(phba
, KERN_ERR
, LOG_TEMP
,
8731 "0340 Adapter temperature is OK now. "
8732 "temperature : %d Celsius\n",
8733 (uint32_t) icmd
->ulpContext
);
8736 /* Send temperature change event to applications */
8737 shost
= lpfc_shost_from_vport(phba
->pport
);
8738 fc_host_post_vendor_event(shost
, fc_get_event_number(),
8739 sizeof(temp_event_data
), (char *) &temp_event_data
,
8742 case ASYNC_STATUS_CN
:
8743 lpfc_sli_abts_err_handler(phba
, iocbq
);
8746 iocb_w
= (uint32_t *) icmd
;
8747 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
8748 "0346 Ring %d handler: unexpected ASYNC_STATUS"
8750 "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n"
8751 "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n"
8752 "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n"
8753 "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n",
8754 pring
->ringno
, icmd
->un
.asyncstat
.evt_code
,
8755 iocb_w
[0], iocb_w
[1], iocb_w
[2], iocb_w
[3],
8756 iocb_w
[4], iocb_w
[5], iocb_w
[6], iocb_w
[7],
8757 iocb_w
[8], iocb_w
[9], iocb_w
[10], iocb_w
[11],
8758 iocb_w
[12], iocb_w
[13], iocb_w
[14], iocb_w
[15]);
8766 * lpfc_sli_setup - SLI ring setup function
8767 * @phba: Pointer to HBA context object.
8769 * lpfc_sli_setup sets up rings of the SLI interface with
8770 * number of iocbs per ring and iotags. This function is
8771 * called while driver attach to the HBA and before the
8772 * interrupts are enabled. So there is no need for locking.
8774 * This function always returns 0.
8777 lpfc_sli_setup(struct lpfc_hba
*phba
)
8779 int i
, totiocbsize
= 0;
8780 struct lpfc_sli
*psli
= &phba
->sli
;
8781 struct lpfc_sli_ring
*pring
;
8783 psli
->num_rings
= MAX_SLI3_CONFIGURED_RINGS
;
8784 if (phba
->sli_rev
== LPFC_SLI_REV4
)
8785 psli
->num_rings
+= phba
->cfg_fcp_io_channel
;
8787 psli
->fcp_ring
= LPFC_FCP_RING
;
8788 psli
->next_ring
= LPFC_FCP_NEXT_RING
;
8789 psli
->extra_ring
= LPFC_EXTRA_RING
;
8791 psli
->iocbq_lookup
= NULL
;
8792 psli
->iocbq_lookup_len
= 0;
8793 psli
->last_iotag
= 0;
8795 for (i
= 0; i
< psli
->num_rings
; i
++) {
8796 pring
= &psli
->ring
[i
];
8798 case LPFC_FCP_RING
: /* ring 0 - FCP */
8799 /* numCiocb and numRiocb are used in config_port */
8800 pring
->sli
.sli3
.numCiocb
= SLI2_IOCB_CMD_R0_ENTRIES
;
8801 pring
->sli
.sli3
.numRiocb
= SLI2_IOCB_RSP_R0_ENTRIES
;
8802 pring
->sli
.sli3
.numCiocb
+=
8803 SLI2_IOCB_CMD_R1XTRA_ENTRIES
;
8804 pring
->sli
.sli3
.numRiocb
+=
8805 SLI2_IOCB_RSP_R1XTRA_ENTRIES
;
8806 pring
->sli
.sli3
.numCiocb
+=
8807 SLI2_IOCB_CMD_R3XTRA_ENTRIES
;
8808 pring
->sli
.sli3
.numRiocb
+=
8809 SLI2_IOCB_RSP_R3XTRA_ENTRIES
;
8810 pring
->sli
.sli3
.sizeCiocb
= (phba
->sli_rev
== 3) ?
8811 SLI3_IOCB_CMD_SIZE
:
8813 pring
->sli
.sli3
.sizeRiocb
= (phba
->sli_rev
== 3) ?
8814 SLI3_IOCB_RSP_SIZE
:
8816 pring
->iotag_ctr
= 0;
8818 (phba
->cfg_hba_queue_depth
* 2);
8819 pring
->fast_iotag
= pring
->iotag_max
;
8820 pring
->num_mask
= 0;
8822 case LPFC_EXTRA_RING
: /* ring 1 - EXTRA */
8823 /* numCiocb and numRiocb are used in config_port */
8824 pring
->sli
.sli3
.numCiocb
= SLI2_IOCB_CMD_R1_ENTRIES
;
8825 pring
->sli
.sli3
.numRiocb
= SLI2_IOCB_RSP_R1_ENTRIES
;
8826 pring
->sli
.sli3
.sizeCiocb
= (phba
->sli_rev
== 3) ?
8827 SLI3_IOCB_CMD_SIZE
:
8829 pring
->sli
.sli3
.sizeRiocb
= (phba
->sli_rev
== 3) ?
8830 SLI3_IOCB_RSP_SIZE
:
8832 pring
->iotag_max
= phba
->cfg_hba_queue_depth
;
8833 pring
->num_mask
= 0;
8835 case LPFC_ELS_RING
: /* ring 2 - ELS / CT */
8836 /* numCiocb and numRiocb are used in config_port */
8837 pring
->sli
.sli3
.numCiocb
= SLI2_IOCB_CMD_R2_ENTRIES
;
8838 pring
->sli
.sli3
.numRiocb
= SLI2_IOCB_RSP_R2_ENTRIES
;
8839 pring
->sli
.sli3
.sizeCiocb
= (phba
->sli_rev
== 3) ?
8840 SLI3_IOCB_CMD_SIZE
:
8842 pring
->sli
.sli3
.sizeRiocb
= (phba
->sli_rev
== 3) ?
8843 SLI3_IOCB_RSP_SIZE
:
8845 pring
->fast_iotag
= 0;
8846 pring
->iotag_ctr
= 0;
8847 pring
->iotag_max
= 4096;
8848 pring
->lpfc_sli_rcv_async_status
=
8849 lpfc_sli_async_event_handler
;
8850 pring
->num_mask
= LPFC_MAX_RING_MASK
;
8851 pring
->prt
[0].profile
= 0; /* Mask 0 */
8852 pring
->prt
[0].rctl
= FC_RCTL_ELS_REQ
;
8853 pring
->prt
[0].type
= FC_TYPE_ELS
;
8854 pring
->prt
[0].lpfc_sli_rcv_unsol_event
=
8855 lpfc_els_unsol_event
;
8856 pring
->prt
[1].profile
= 0; /* Mask 1 */
8857 pring
->prt
[1].rctl
= FC_RCTL_ELS_REP
;
8858 pring
->prt
[1].type
= FC_TYPE_ELS
;
8859 pring
->prt
[1].lpfc_sli_rcv_unsol_event
=
8860 lpfc_els_unsol_event
;
8861 pring
->prt
[2].profile
= 0; /* Mask 2 */
8862 /* NameServer Inquiry */
8863 pring
->prt
[2].rctl
= FC_RCTL_DD_UNSOL_CTL
;
8865 pring
->prt
[2].type
= FC_TYPE_CT
;
8866 pring
->prt
[2].lpfc_sli_rcv_unsol_event
=
8867 lpfc_ct_unsol_event
;
8868 pring
->prt
[3].profile
= 0; /* Mask 3 */
8869 /* NameServer response */
8870 pring
->prt
[3].rctl
= FC_RCTL_DD_SOL_CTL
;
8872 pring
->prt
[3].type
= FC_TYPE_CT
;
8873 pring
->prt
[3].lpfc_sli_rcv_unsol_event
=
8874 lpfc_ct_unsol_event
;
8877 totiocbsize
+= (pring
->sli
.sli3
.numCiocb
*
8878 pring
->sli
.sli3
.sizeCiocb
) +
8879 (pring
->sli
.sli3
.numRiocb
* pring
->sli
.sli3
.sizeRiocb
);
8881 if (totiocbsize
> MAX_SLIM_IOCB_SIZE
) {
8882 /* Too many cmd / rsp ring entries in SLI2 SLIM */
8883 printk(KERN_ERR
"%d:0462 Too many cmd / rsp ring entries in "
8884 "SLI2 SLIM Data: x%x x%lx\n",
8885 phba
->brd_no
, totiocbsize
,
8886 (unsigned long) MAX_SLIM_IOCB_SIZE
);
8888 if (phba
->cfg_multi_ring_support
== 2)
8889 lpfc_extra_ring_setup(phba
);
8895 * lpfc_sli_queue_setup - Queue initialization function
8896 * @phba: Pointer to HBA context object.
8898 * lpfc_sli_queue_setup sets up mailbox queues and iocb queues for each
8899 * ring. This function also initializes ring indices of each ring.
8900 * This function is called during the initialization of the SLI
8901 * interface of an HBA.
8902 * This function is called with no lock held and always returns
8906 lpfc_sli_queue_setup(struct lpfc_hba
*phba
)
8908 struct lpfc_sli
*psli
;
8909 struct lpfc_sli_ring
*pring
;
8913 spin_lock_irq(&phba
->hbalock
);
8914 INIT_LIST_HEAD(&psli
->mboxq
);
8915 INIT_LIST_HEAD(&psli
->mboxq_cmpl
);
8916 /* Initialize list headers for txq and txcmplq as double linked lists */
8917 for (i
= 0; i
< psli
->num_rings
; i
++) {
8918 pring
= &psli
->ring
[i
];
8920 pring
->sli
.sli3
.next_cmdidx
= 0;
8921 pring
->sli
.sli3
.local_getidx
= 0;
8922 pring
->sli
.sli3
.cmdidx
= 0;
8923 INIT_LIST_HEAD(&pring
->txq
);
8924 INIT_LIST_HEAD(&pring
->txcmplq
);
8925 INIT_LIST_HEAD(&pring
->iocb_continueq
);
8926 INIT_LIST_HEAD(&pring
->iocb_continue_saveq
);
8927 INIT_LIST_HEAD(&pring
->postbufq
);
8928 spin_lock_init(&pring
->ring_lock
);
8930 spin_unlock_irq(&phba
->hbalock
);
8935 * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system
8936 * @phba: Pointer to HBA context object.
8938 * This routine flushes the mailbox command subsystem. It will unconditionally
8939 * flush all the mailbox commands in the three possible stages in the mailbox
8940 * command sub-system: pending mailbox command queue; the outstanding mailbox
8941 * command; and completed mailbox command queue. It is caller's responsibility
8942 * to make sure that the driver is in the proper state to flush the mailbox
8943 * command sub-system. Namely, the posting of mailbox commands into the
8944 * pending mailbox command queue from the various clients must be stopped;
8945 * either the HBA is in a state that it will never works on the outstanding
8946 * mailbox command (such as in EEH or ERATT conditions) or the outstanding
8947 * mailbox command has been completed.
8950 lpfc_sli_mbox_sys_flush(struct lpfc_hba
*phba
)
8952 LIST_HEAD(completions
);
8953 struct lpfc_sli
*psli
= &phba
->sli
;
8955 unsigned long iflag
;
8957 /* Flush all the mailbox commands in the mbox system */
8958 spin_lock_irqsave(&phba
->hbalock
, iflag
);
8959 /* The pending mailbox command queue */
8960 list_splice_init(&phba
->sli
.mboxq
, &completions
);
8961 /* The outstanding active mailbox command */
8962 if (psli
->mbox_active
) {
8963 list_add_tail(&psli
->mbox_active
->list
, &completions
);
8964 psli
->mbox_active
= NULL
;
8965 psli
->sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
8967 /* The completed mailbox command queue */
8968 list_splice_init(&phba
->sli
.mboxq_cmpl
, &completions
);
8969 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
8971 /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */
8972 while (!list_empty(&completions
)) {
8973 list_remove_head(&completions
, pmb
, LPFC_MBOXQ_t
, list
);
8974 pmb
->u
.mb
.mbxStatus
= MBX_NOT_FINISHED
;
8976 pmb
->mbox_cmpl(phba
, pmb
);
8981 * lpfc_sli_host_down - Vport cleanup function
8982 * @vport: Pointer to virtual port object.
8984 * lpfc_sli_host_down is called to clean up the resources
8985 * associated with a vport before destroying virtual
8986 * port data structures.
8987 * This function does following operations:
8988 * - Free discovery resources associated with this virtual
8990 * - Free iocbs associated with this virtual port in
8992 * - Send abort for all iocb commands associated with this
8995 * This function is called with no lock held and always returns 1.
8998 lpfc_sli_host_down(struct lpfc_vport
*vport
)
9000 LIST_HEAD(completions
);
9001 struct lpfc_hba
*phba
= vport
->phba
;
9002 struct lpfc_sli
*psli
= &phba
->sli
;
9003 struct lpfc_sli_ring
*pring
;
9004 struct lpfc_iocbq
*iocb
, *next_iocb
;
9006 unsigned long flags
= 0;
9007 uint16_t prev_pring_flag
;
9009 lpfc_cleanup_discovery_resources(vport
);
9011 spin_lock_irqsave(&phba
->hbalock
, flags
);
9012 for (i
= 0; i
< psli
->num_rings
; i
++) {
9013 pring
= &psli
->ring
[i
];
9014 prev_pring_flag
= pring
->flag
;
9015 /* Only slow rings */
9016 if (pring
->ringno
== LPFC_ELS_RING
) {
9017 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
9018 /* Set the lpfc data pending flag */
9019 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
9022 * Error everything on the txq since these iocbs have not been
9023 * given to the FW yet.
9025 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txq
, list
) {
9026 if (iocb
->vport
!= vport
)
9028 list_move_tail(&iocb
->list
, &completions
);
9032 /* Next issue ABTS for everything on the txcmplq */
9033 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
,
9035 if (iocb
->vport
!= vport
)
9037 lpfc_sli_issue_abort_iotag(phba
, pring
, iocb
);
9040 pring
->flag
= prev_pring_flag
;
9043 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
9045 /* Cancel all the IOCBs from the completions list */
9046 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
9052 * lpfc_sli_hba_down - Resource cleanup function for the HBA
9053 * @phba: Pointer to HBA context object.
9055 * This function cleans up all iocb, buffers, mailbox commands
9056 * while shutting down the HBA. This function is called with no
9057 * lock held and always returns 1.
9058 * This function does the following to cleanup driver resources:
9059 * - Free discovery resources for each virtual port
9060 * - Cleanup any pending fabric iocbs
9061 * - Iterate through the iocb txq and free each entry
9063 * - Free up any buffer posted to the HBA
9064 * - Free mailbox commands in the mailbox queue.
9067 lpfc_sli_hba_down(struct lpfc_hba
*phba
)
9069 LIST_HEAD(completions
);
9070 struct lpfc_sli
*psli
= &phba
->sli
;
9071 struct lpfc_sli_ring
*pring
;
9072 struct lpfc_dmabuf
*buf_ptr
;
9073 unsigned long flags
= 0;
9076 /* Shutdown the mailbox command sub-system */
9077 lpfc_sli_mbox_sys_shutdown(phba
, LPFC_MBX_WAIT
);
9079 lpfc_hba_down_prep(phba
);
9081 lpfc_fabric_abort_hba(phba
);
9083 spin_lock_irqsave(&phba
->hbalock
, flags
);
9084 for (i
= 0; i
< psli
->num_rings
; i
++) {
9085 pring
= &psli
->ring
[i
];
9086 /* Only slow rings */
9087 if (pring
->ringno
== LPFC_ELS_RING
) {
9088 pring
->flag
|= LPFC_DEFERRED_RING_EVENT
;
9089 /* Set the lpfc data pending flag */
9090 set_bit(LPFC_DATA_READY
, &phba
->data_flags
);
9094 * Error everything on the txq since these iocbs have not been
9095 * given to the FW yet.
9097 list_splice_init(&pring
->txq
, &completions
);
9101 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
9103 /* Cancel all the IOCBs from the completions list */
9104 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
9107 spin_lock_irqsave(&phba
->hbalock
, flags
);
9108 list_splice_init(&phba
->elsbuf
, &completions
);
9109 phba
->elsbuf_cnt
= 0;
9110 phba
->elsbuf_prev_cnt
= 0;
9111 spin_unlock_irqrestore(&phba
->hbalock
, flags
);
9113 while (!list_empty(&completions
)) {
9114 list_remove_head(&completions
, buf_ptr
,
9115 struct lpfc_dmabuf
, list
);
9116 lpfc_mbuf_free(phba
, buf_ptr
->virt
, buf_ptr
->phys
);
9120 /* Return any active mbox cmds */
9121 del_timer_sync(&psli
->mbox_tmo
);
9123 spin_lock_irqsave(&phba
->pport
->work_port_lock
, flags
);
9124 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
9125 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, flags
);
9131 * lpfc_sli_pcimem_bcopy - SLI memory copy function
9132 * @srcp: Source memory pointer.
9133 * @destp: Destination memory pointer.
9134 * @cnt: Number of words required to be copied.
9136 * This function is used for copying data between driver memory
9137 * and the SLI memory. This function also changes the endianness
9138 * of each word if native endianness is different from SLI
9139 * endianness. This function can be called with or without
9143 lpfc_sli_pcimem_bcopy(void *srcp
, void *destp
, uint32_t cnt
)
9145 uint32_t *src
= srcp
;
9146 uint32_t *dest
= destp
;
9150 for (i
= 0; i
< (int)cnt
; i
+= sizeof (uint32_t)) {
9152 ldata
= le32_to_cpu(ldata
);
9161 * lpfc_sli_bemem_bcopy - SLI memory copy function
9162 * @srcp: Source memory pointer.
9163 * @destp: Destination memory pointer.
9164 * @cnt: Number of words required to be copied.
9166 * This function is used for copying data between a data structure
9167 * with big endian representation to local endianness.
9168 * This function can be called with or without lock.
9171 lpfc_sli_bemem_bcopy(void *srcp
, void *destp
, uint32_t cnt
)
9173 uint32_t *src
= srcp
;
9174 uint32_t *dest
= destp
;
9178 for (i
= 0; i
< (int)cnt
; i
+= sizeof(uint32_t)) {
9180 ldata
= be32_to_cpu(ldata
);
9188 * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq
9189 * @phba: Pointer to HBA context object.
9190 * @pring: Pointer to driver SLI ring object.
9191 * @mp: Pointer to driver buffer object.
9193 * This function is called with no lock held.
9194 * It always return zero after adding the buffer to the postbufq
9198 lpfc_sli_ringpostbuf_put(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
9199 struct lpfc_dmabuf
*mp
)
9201 /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up
9203 spin_lock_irq(&phba
->hbalock
);
9204 list_add_tail(&mp
->list
, &pring
->postbufq
);
9205 pring
->postbufq_cnt
++;
9206 spin_unlock_irq(&phba
->hbalock
);
9211 * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer
9212 * @phba: Pointer to HBA context object.
9214 * When HBQ is enabled, buffers are searched based on tags. This function
9215 * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The
9216 * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag
9217 * does not conflict with tags of buffer posted for unsolicited events.
9218 * The function returns the allocated tag. The function is called with
9222 lpfc_sli_get_buffer_tag(struct lpfc_hba
*phba
)
9224 spin_lock_irq(&phba
->hbalock
);
9225 phba
->buffer_tag_count
++;
9227 * Always set the QUE_BUFTAG_BIT to distiguish between
9228 * a tag assigned by HBQ.
9230 phba
->buffer_tag_count
|= QUE_BUFTAG_BIT
;
9231 spin_unlock_irq(&phba
->hbalock
);
9232 return phba
->buffer_tag_count
;
9236 * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag
9237 * @phba: Pointer to HBA context object.
9238 * @pring: Pointer to driver SLI ring object.
9241 * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq
9242 * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX
9243 * iocb is posted to the response ring with the tag of the buffer.
9244 * This function searches the pring->postbufq list using the tag
9245 * to find buffer associated with CMD_IOCB_RET_XRI64_CX
9246 * iocb. If the buffer is found then lpfc_dmabuf object of the
9247 * buffer is returned to the caller else NULL is returned.
9248 * This function is called with no lock held.
9250 struct lpfc_dmabuf
*
9251 lpfc_sli_ring_taggedbuf_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
9254 struct lpfc_dmabuf
*mp
, *next_mp
;
9255 struct list_head
*slp
= &pring
->postbufq
;
9257 /* Search postbufq, from the beginning, looking for a match on tag */
9258 spin_lock_irq(&phba
->hbalock
);
9259 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
9260 if (mp
->buffer_tag
== tag
) {
9261 list_del_init(&mp
->list
);
9262 pring
->postbufq_cnt
--;
9263 spin_unlock_irq(&phba
->hbalock
);
9268 spin_unlock_irq(&phba
->hbalock
);
9269 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9270 "0402 Cannot find virtual addr for buffer tag on "
9271 "ring %d Data x%lx x%p x%p x%x\n",
9272 pring
->ringno
, (unsigned long) tag
,
9273 slp
->next
, slp
->prev
, pring
->postbufq_cnt
);
9279 * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events
9280 * @phba: Pointer to HBA context object.
9281 * @pring: Pointer to driver SLI ring object.
9282 * @phys: DMA address of the buffer.
9284 * This function searches the buffer list using the dma_address
9285 * of unsolicited event to find the driver's lpfc_dmabuf object
9286 * corresponding to the dma_address. The function returns the
9287 * lpfc_dmabuf object if a buffer is found else it returns NULL.
9288 * This function is called by the ct and els unsolicited event
9289 * handlers to get the buffer associated with the unsolicited
9292 * This function is called with no lock held.
9294 struct lpfc_dmabuf
*
9295 lpfc_sli_ringpostbuf_get(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
9298 struct lpfc_dmabuf
*mp
, *next_mp
;
9299 struct list_head
*slp
= &pring
->postbufq
;
9301 /* Search postbufq, from the beginning, looking for a match on phys */
9302 spin_lock_irq(&phba
->hbalock
);
9303 list_for_each_entry_safe(mp
, next_mp
, &pring
->postbufq
, list
) {
9304 if (mp
->phys
== phys
) {
9305 list_del_init(&mp
->list
);
9306 pring
->postbufq_cnt
--;
9307 spin_unlock_irq(&phba
->hbalock
);
9312 spin_unlock_irq(&phba
->hbalock
);
9313 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
9314 "0410 Cannot find virtual addr for mapped buf on "
9315 "ring %d Data x%llx x%p x%p x%x\n",
9316 pring
->ringno
, (unsigned long long)phys
,
9317 slp
->next
, slp
->prev
, pring
->postbufq_cnt
);
9322 * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs
9323 * @phba: Pointer to HBA context object.
9324 * @cmdiocb: Pointer to driver command iocb object.
9325 * @rspiocb: Pointer to driver response iocb object.
9327 * This function is the completion handler for the abort iocbs for
9328 * ELS commands. This function is called from the ELS ring event
9329 * handler with no lock held. This function frees memory resources
9330 * associated with the abort iocb.
9333 lpfc_sli_abort_els_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
9334 struct lpfc_iocbq
*rspiocb
)
9336 IOCB_t
*irsp
= &rspiocb
->iocb
;
9337 uint16_t abort_iotag
, abort_context
;
9338 struct lpfc_iocbq
*abort_iocb
= NULL
;
9340 if (irsp
->ulpStatus
) {
9343 * Assume that the port already completed and returned, or
9344 * will return the iocb. Just Log the message.
9346 abort_context
= cmdiocb
->iocb
.un
.acxri
.abortContextTag
;
9347 abort_iotag
= cmdiocb
->iocb
.un
.acxri
.abortIoTag
;
9349 spin_lock_irq(&phba
->hbalock
);
9350 if (phba
->sli_rev
< LPFC_SLI_REV4
) {
9351 if (abort_iotag
!= 0 &&
9352 abort_iotag
<= phba
->sli
.last_iotag
)
9354 phba
->sli
.iocbq_lookup
[abort_iotag
];
9356 /* For sli4 the abort_tag is the XRI,
9357 * so the abort routine puts the iotag of the iocb
9358 * being aborted in the context field of the abort
9361 abort_iocb
= phba
->sli
.iocbq_lookup
[abort_context
];
9363 lpfc_printf_log(phba
, KERN_WARNING
, LOG_ELS
| LOG_SLI
,
9364 "0327 Cannot abort els iocb %p "
9365 "with tag %x context %x, abort status %x, "
9367 abort_iocb
, abort_iotag
, abort_context
,
9368 irsp
->ulpStatus
, irsp
->un
.ulpWord
[4]);
9370 spin_unlock_irq(&phba
->hbalock
);
9372 lpfc_sli_release_iocbq(phba
, cmdiocb
);
9377 * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command
9378 * @phba: Pointer to HBA context object.
9379 * @cmdiocb: Pointer to driver command iocb object.
9380 * @rspiocb: Pointer to driver response iocb object.
9382 * The function is called from SLI ring event handler with no
9383 * lock held. This function is the completion handler for ELS commands
9384 * which are aborted. The function frees memory resources used for
9385 * the aborted ELS commands.
9388 lpfc_ignore_els_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
9389 struct lpfc_iocbq
*rspiocb
)
9391 IOCB_t
*irsp
= &rspiocb
->iocb
;
9393 /* ELS cmd tag <ulpIoTag> completes */
9394 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
9395 "0139 Ignoring ELS cmd tag x%x completion Data: "
9397 irsp
->ulpIoTag
, irsp
->ulpStatus
,
9398 irsp
->un
.ulpWord
[4], irsp
->ulpTimeout
);
9399 if (cmdiocb
->iocb
.ulpCommand
== CMD_GEN_REQUEST64_CR
)
9400 lpfc_ct_free_iocb(phba
, cmdiocb
);
9402 lpfc_els_free_iocb(phba
, cmdiocb
);
9407 * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb
9408 * @phba: Pointer to HBA context object.
9409 * @pring: Pointer to driver SLI ring object.
9410 * @cmdiocb: Pointer to driver command iocb object.
9412 * This function issues an abort iocb for the provided command iocb down to
9413 * the port. Other than the case the outstanding command iocb is an abort
9414 * request, this function issues abort out unconditionally. This function is
9415 * called with hbalock held. The function returns 0 when it fails due to
9416 * memory allocation failure or when the command iocb is an abort request.
9419 lpfc_sli_abort_iotag_issue(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
9420 struct lpfc_iocbq
*cmdiocb
)
9422 struct lpfc_vport
*vport
= cmdiocb
->vport
;
9423 struct lpfc_iocbq
*abtsiocbp
;
9424 IOCB_t
*icmd
= NULL
;
9425 IOCB_t
*iabt
= NULL
;
9427 unsigned long iflags
;
9430 * There are certain command types we don't want to abort. And we
9431 * don't want to abort commands that are already in the process of
9434 icmd
= &cmdiocb
->iocb
;
9435 if (icmd
->ulpCommand
== CMD_ABORT_XRI_CN
||
9436 icmd
->ulpCommand
== CMD_CLOSE_XRI_CN
||
9437 (cmdiocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) != 0)
9440 /* issue ABTS for this IOCB based on iotag */
9441 abtsiocbp
= __lpfc_sli_get_iocbq(phba
);
9442 if (abtsiocbp
== NULL
)
9445 /* This signals the response to set the correct status
9446 * before calling the completion handler
9448 cmdiocb
->iocb_flag
|= LPFC_DRIVER_ABORTED
;
9450 iabt
= &abtsiocbp
->iocb
;
9451 iabt
->un
.acxri
.abortType
= ABORT_TYPE_ABTS
;
9452 iabt
->un
.acxri
.abortContextTag
= icmd
->ulpContext
;
9453 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9454 iabt
->un
.acxri
.abortIoTag
= cmdiocb
->sli4_xritag
;
9455 iabt
->un
.acxri
.abortContextTag
= cmdiocb
->iotag
;
9458 iabt
->un
.acxri
.abortIoTag
= icmd
->ulpIoTag
;
9460 iabt
->ulpClass
= icmd
->ulpClass
;
9462 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
9463 abtsiocbp
->fcp_wqidx
= cmdiocb
->fcp_wqidx
;
9464 if (cmdiocb
->iocb_flag
& LPFC_IO_FCP
)
9465 abtsiocbp
->iocb_flag
|= LPFC_USE_FCPWQIDX
;
9467 if (phba
->link_state
>= LPFC_LINK_UP
)
9468 iabt
->ulpCommand
= CMD_ABORT_XRI_CN
;
9470 iabt
->ulpCommand
= CMD_CLOSE_XRI_CN
;
9472 abtsiocbp
->iocb_cmpl
= lpfc_sli_abort_els_cmpl
;
9474 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_SLI
,
9475 "0339 Abort xri x%x, original iotag x%x, "
9476 "abort cmd iotag x%x\n",
9477 iabt
->un
.acxri
.abortIoTag
,
9478 iabt
->un
.acxri
.abortContextTag
,
9481 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
9482 /* Note: both hbalock and ring_lock need to be set here */
9483 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
9484 retval
= __lpfc_sli_issue_iocb(phba
, pring
->ringno
,
9486 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
9488 retval
= __lpfc_sli_issue_iocb(phba
, pring
->ringno
,
9493 __lpfc_sli_release_iocbq(phba
, abtsiocbp
);
9496 * Caller to this routine should check for IOCB_ERROR
9497 * and handle it properly. This routine no longer removes
9498 * iocb off txcmplq and call compl in case of IOCB_ERROR.
9504 * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
9505 * @phba: Pointer to HBA context object.
9506 * @pring: Pointer to driver SLI ring object.
9507 * @cmdiocb: Pointer to driver command iocb object.
9509 * This function issues an abort iocb for the provided command iocb. In case
9510 * of unloading, the abort iocb will not be issued to commands on the ELS
9511 * ring. Instead, the callback function shall be changed to those commands
9512 * so that nothing happens when them finishes. This function is called with
9513 * hbalock held. The function returns 0 when the command iocb is an abort
9517 lpfc_sli_issue_abort_iotag(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
,
9518 struct lpfc_iocbq
*cmdiocb
)
9520 struct lpfc_vport
*vport
= cmdiocb
->vport
;
9521 int retval
= IOCB_ERROR
;
9522 IOCB_t
*icmd
= NULL
;
9525 * There are certain command types we don't want to abort. And we
9526 * don't want to abort commands that are already in the process of
9529 icmd
= &cmdiocb
->iocb
;
9530 if (icmd
->ulpCommand
== CMD_ABORT_XRI_CN
||
9531 icmd
->ulpCommand
== CMD_CLOSE_XRI_CN
||
9532 (cmdiocb
->iocb_flag
& LPFC_DRIVER_ABORTED
) != 0)
9536 * If we're unloading, don't abort iocb on the ELS ring, but change
9537 * the callback so that nothing happens when it finishes.
9539 if ((vport
->load_flag
& FC_UNLOADING
) &&
9540 (pring
->ringno
== LPFC_ELS_RING
)) {
9541 if (cmdiocb
->iocb_flag
& LPFC_IO_FABRIC
)
9542 cmdiocb
->fabric_iocb_cmpl
= lpfc_ignore_els_cmpl
;
9544 cmdiocb
->iocb_cmpl
= lpfc_ignore_els_cmpl
;
9545 goto abort_iotag_exit
;
9548 /* Now, we try to issue the abort to the cmdiocb out */
9549 retval
= lpfc_sli_abort_iotag_issue(phba
, pring
, cmdiocb
);
9553 * Caller to this routine should check for IOCB_ERROR
9554 * and handle it properly. This routine no longer removes
9555 * iocb off txcmplq and call compl in case of IOCB_ERROR.
9561 * lpfc_sli_iocb_ring_abort - Unconditionally abort all iocbs on an iocb ring
9562 * @phba: Pointer to HBA context object.
9563 * @pring: Pointer to driver SLI ring object.
9565 * This function aborts all iocbs in the given ring and frees all the iocb
9566 * objects in txq. This function issues abort iocbs unconditionally for all
9567 * the iocb commands in txcmplq. The iocbs in the txcmplq is not guaranteed
9568 * to complete before the return of this function. The caller is not required
9569 * to hold any locks.
9572 lpfc_sli_iocb_ring_abort(struct lpfc_hba
*phba
, struct lpfc_sli_ring
*pring
)
9574 LIST_HEAD(completions
);
9575 struct lpfc_iocbq
*iocb
, *next_iocb
;
9577 if (pring
->ringno
== LPFC_ELS_RING
)
9578 lpfc_fabric_abort_hba(phba
);
9580 spin_lock_irq(&phba
->hbalock
);
9582 /* Take off all the iocbs on txq for cancelling */
9583 list_splice_init(&pring
->txq
, &completions
);
9586 /* Next issue ABTS for everything on the txcmplq */
9587 list_for_each_entry_safe(iocb
, next_iocb
, &pring
->txcmplq
, list
)
9588 lpfc_sli_abort_iotag_issue(phba
, pring
, iocb
);
9590 spin_unlock_irq(&phba
->hbalock
);
9592 /* Cancel all the IOCBs from the completions list */
9593 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
9598 * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba.
9599 * @phba: pointer to lpfc HBA data structure.
9601 * This routine will abort all pending and outstanding iocbs to an HBA.
9604 lpfc_sli_hba_iocb_abort(struct lpfc_hba
*phba
)
9606 struct lpfc_sli
*psli
= &phba
->sli
;
9607 struct lpfc_sli_ring
*pring
;
9610 for (i
= 0; i
< psli
->num_rings
; i
++) {
9611 pring
= &psli
->ring
[i
];
9612 lpfc_sli_iocb_ring_abort(phba
, pring
);
9617 * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN
9618 * @iocbq: Pointer to driver iocb object.
9619 * @vport: Pointer to driver virtual port object.
9620 * @tgt_id: SCSI ID of the target.
9621 * @lun_id: LUN ID of the scsi device.
9622 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST
9624 * This function acts as an iocb filter for functions which abort or count
9625 * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return
9626 * 0 if the filtering criteria is met for the given iocb and will return
9627 * 1 if the filtering criteria is not met.
9628 * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the
9629 * given iocb is for the SCSI device specified by vport, tgt_id and
9631 * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the
9632 * given iocb is for the SCSI target specified by vport and tgt_id
9634 * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the
9635 * given iocb is for the SCSI host associated with the given vport.
9636 * This function is called with no locks held.
9639 lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq
*iocbq
, struct lpfc_vport
*vport
,
9640 uint16_t tgt_id
, uint64_t lun_id
,
9641 lpfc_ctx_cmd ctx_cmd
)
9643 struct lpfc_scsi_buf
*lpfc_cmd
;
9646 if (!(iocbq
->iocb_flag
& LPFC_IO_FCP
))
9649 if (iocbq
->vport
!= vport
)
9652 lpfc_cmd
= container_of(iocbq
, struct lpfc_scsi_buf
, cur_iocbq
);
9654 if (lpfc_cmd
->pCmd
== NULL
)
9659 if ((lpfc_cmd
->rdata
->pnode
) &&
9660 (lpfc_cmd
->rdata
->pnode
->nlp_sid
== tgt_id
) &&
9661 (scsilun_to_int(&lpfc_cmd
->fcp_cmnd
->fcp_lun
) == lun_id
))
9665 if ((lpfc_cmd
->rdata
->pnode
) &&
9666 (lpfc_cmd
->rdata
->pnode
->nlp_sid
== tgt_id
))
9673 printk(KERN_ERR
"%s: Unknown context cmd type, value %d\n",
9682 * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending
9683 * @vport: Pointer to virtual port.
9684 * @tgt_id: SCSI ID of the target.
9685 * @lun_id: LUN ID of the scsi device.
9686 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
9688 * This function returns number of FCP commands pending for the vport.
9689 * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP
9690 * commands pending on the vport associated with SCSI device specified
9691 * by tgt_id and lun_id parameters.
9692 * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP
9693 * commands pending on the vport associated with SCSI target specified
9694 * by tgt_id parameter.
9695 * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP
9696 * commands pending on the vport.
9697 * This function returns the number of iocbs which satisfy the filter.
9698 * This function is called without any lock held.
9701 lpfc_sli_sum_iocb(struct lpfc_vport
*vport
, uint16_t tgt_id
, uint64_t lun_id
,
9702 lpfc_ctx_cmd ctx_cmd
)
9704 struct lpfc_hba
*phba
= vport
->phba
;
9705 struct lpfc_iocbq
*iocbq
;
9708 for (i
= 1, sum
= 0; i
<= phba
->sli
.last_iotag
; i
++) {
9709 iocbq
= phba
->sli
.iocbq_lookup
[i
];
9711 if (lpfc_sli_validate_fcp_iocb (iocbq
, vport
, tgt_id
, lun_id
,
9720 * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs
9721 * @phba: Pointer to HBA context object
9722 * @cmdiocb: Pointer to command iocb object.
9723 * @rspiocb: Pointer to response iocb object.
9725 * This function is called when an aborted FCP iocb completes. This
9726 * function is called by the ring event handler with no lock held.
9727 * This function frees the iocb.
9730 lpfc_sli_abort_fcp_cmpl(struct lpfc_hba
*phba
, struct lpfc_iocbq
*cmdiocb
,
9731 struct lpfc_iocbq
*rspiocb
)
9733 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9734 "3096 ABORT_XRI_CN completing on xri x%x "
9735 "original iotag x%x, abort cmd iotag x%x "
9736 "status 0x%x, reason 0x%x\n",
9737 cmdiocb
->iocb
.un
.acxri
.abortContextTag
,
9738 cmdiocb
->iocb
.un
.acxri
.abortIoTag
,
9739 cmdiocb
->iotag
, rspiocb
->iocb
.ulpStatus
,
9740 rspiocb
->iocb
.un
.ulpWord
[4]);
9741 lpfc_sli_release_iocbq(phba
, cmdiocb
);
9746 * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN
9747 * @vport: Pointer to virtual port.
9748 * @pring: Pointer to driver SLI ring object.
9749 * @tgt_id: SCSI ID of the target.
9750 * @lun_id: LUN ID of the scsi device.
9751 * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
9753 * This function sends an abort command for every SCSI command
9754 * associated with the given virtual port pending on the ring
9755 * filtered by lpfc_sli_validate_fcp_iocb function.
9756 * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the
9757 * FCP iocbs associated with lun specified by tgt_id and lun_id
9759 * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the
9760 * FCP iocbs associated with SCSI target specified by tgt_id parameter.
9761 * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all
9762 * FCP iocbs associated with virtual port.
9763 * This function returns number of iocbs it failed to abort.
9764 * This function is called with no locks held.
9767 lpfc_sli_abort_iocb(struct lpfc_vport
*vport
, struct lpfc_sli_ring
*pring
,
9768 uint16_t tgt_id
, uint64_t lun_id
, lpfc_ctx_cmd abort_cmd
)
9770 struct lpfc_hba
*phba
= vport
->phba
;
9771 struct lpfc_iocbq
*iocbq
;
9772 struct lpfc_iocbq
*abtsiocb
;
9774 int errcnt
= 0, ret_val
= 0;
9777 for (i
= 1; i
<= phba
->sli
.last_iotag
; i
++) {
9778 iocbq
= phba
->sli
.iocbq_lookup
[i
];
9780 if (lpfc_sli_validate_fcp_iocb(iocbq
, vport
, tgt_id
, lun_id
,
9784 /* issue ABTS for this IOCB based on iotag */
9785 abtsiocb
= lpfc_sli_get_iocbq(phba
);
9786 if (abtsiocb
== NULL
) {
9792 abtsiocb
->iocb
.un
.acxri
.abortType
= ABORT_TYPE_ABTS
;
9793 abtsiocb
->iocb
.un
.acxri
.abortContextTag
= cmd
->ulpContext
;
9794 if (phba
->sli_rev
== LPFC_SLI_REV4
)
9795 abtsiocb
->iocb
.un
.acxri
.abortIoTag
= iocbq
->sli4_xritag
;
9797 abtsiocb
->iocb
.un
.acxri
.abortIoTag
= cmd
->ulpIoTag
;
9798 abtsiocb
->iocb
.ulpLe
= 1;
9799 abtsiocb
->iocb
.ulpClass
= cmd
->ulpClass
;
9800 abtsiocb
->vport
= phba
->pport
;
9802 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
9803 abtsiocb
->fcp_wqidx
= iocbq
->fcp_wqidx
;
9804 if (iocbq
->iocb_flag
& LPFC_IO_FCP
)
9805 abtsiocb
->iocb_flag
|= LPFC_USE_FCPWQIDX
;
9807 if (lpfc_is_link_up(phba
))
9808 abtsiocb
->iocb
.ulpCommand
= CMD_ABORT_XRI_CN
;
9810 abtsiocb
->iocb
.ulpCommand
= CMD_CLOSE_XRI_CN
;
9812 /* Setup callback routine and issue the command. */
9813 abtsiocb
->iocb_cmpl
= lpfc_sli_abort_fcp_cmpl
;
9814 ret_val
= lpfc_sli_issue_iocb(phba
, pring
->ringno
,
9816 if (ret_val
== IOCB_ERROR
) {
9817 lpfc_sli_release_iocbq(phba
, abtsiocb
);
9827 * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler
9828 * @phba: Pointer to HBA context object.
9829 * @cmdiocbq: Pointer to command iocb.
9830 * @rspiocbq: Pointer to response iocb.
9832 * This function is the completion handler for iocbs issued using
9833 * lpfc_sli_issue_iocb_wait function. This function is called by the
9834 * ring event handler function without any lock held. This function
9835 * can be called from both worker thread context and interrupt
9836 * context. This function also can be called from other thread which
9837 * cleans up the SLI layer objects.
9838 * This function copy the contents of the response iocb to the
9839 * response iocb memory object provided by the caller of
9840 * lpfc_sli_issue_iocb_wait and then wakes up the thread which
9841 * sleeps for the iocb completion.
9844 lpfc_sli_wake_iocb_wait(struct lpfc_hba
*phba
,
9845 struct lpfc_iocbq
*cmdiocbq
,
9846 struct lpfc_iocbq
*rspiocbq
)
9848 wait_queue_head_t
*pdone_q
;
9849 unsigned long iflags
;
9850 struct lpfc_scsi_buf
*lpfc_cmd
;
9852 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9853 cmdiocbq
->iocb_flag
|= LPFC_IO_WAKE
;
9854 if (cmdiocbq
->context2
&& rspiocbq
)
9855 memcpy(&((struct lpfc_iocbq
*)cmdiocbq
->context2
)->iocb
,
9856 &rspiocbq
->iocb
, sizeof(IOCB_t
));
9858 /* Set the exchange busy flag for task management commands */
9859 if ((cmdiocbq
->iocb_flag
& LPFC_IO_FCP
) &&
9860 !(cmdiocbq
->iocb_flag
& LPFC_IO_LIBDFC
)) {
9861 lpfc_cmd
= container_of(cmdiocbq
, struct lpfc_scsi_buf
,
9863 lpfc_cmd
->exch_busy
= rspiocbq
->iocb_flag
& LPFC_EXCHANGE_BUSY
;
9866 pdone_q
= cmdiocbq
->context_un
.wait_queue
;
9869 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9874 * lpfc_chk_iocb_flg - Test IOCB flag with lock held.
9875 * @phba: Pointer to HBA context object..
9876 * @piocbq: Pointer to command iocb.
9877 * @flag: Flag to test.
9879 * This routine grabs the hbalock and then test the iocb_flag to
9880 * see if the passed in flag is set.
9883 * 0 if flag is not set.
9886 lpfc_chk_iocb_flg(struct lpfc_hba
*phba
,
9887 struct lpfc_iocbq
*piocbq
, uint32_t flag
)
9889 unsigned long iflags
;
9892 spin_lock_irqsave(&phba
->hbalock
, iflags
);
9893 ret
= piocbq
->iocb_flag
& flag
;
9894 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
9900 * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands
9901 * @phba: Pointer to HBA context object..
9902 * @pring: Pointer to sli ring.
9903 * @piocb: Pointer to command iocb.
9904 * @prspiocbq: Pointer to response iocb.
9905 * @timeout: Timeout in number of seconds.
9907 * This function issues the iocb to firmware and waits for the
9908 * iocb to complete. If the iocb command is not
9909 * completed within timeout seconds, it returns IOCB_TIMEDOUT.
9910 * Caller should not free the iocb resources if this function
9911 * returns IOCB_TIMEDOUT.
9912 * The function waits for the iocb completion using an
9913 * non-interruptible wait.
9914 * This function will sleep while waiting for iocb completion.
9915 * So, this function should not be called from any context which
9916 * does not allow sleeping. Due to the same reason, this function
9917 * cannot be called with interrupt disabled.
9918 * This function assumes that the iocb completions occur while
9919 * this function sleep. So, this function cannot be called from
9920 * the thread which process iocb completion for this ring.
9921 * This function clears the iocb_flag of the iocb object before
9922 * issuing the iocb and the iocb completion handler sets this
9923 * flag and wakes this thread when the iocb completes.
9924 * The contents of the response iocb will be copied to prspiocbq
9925 * by the completion handler when the command completes.
9926 * This function returns IOCB_SUCCESS when success.
9927 * This function is called with no lock held.
9930 lpfc_sli_issue_iocb_wait(struct lpfc_hba
*phba
,
9931 uint32_t ring_number
,
9932 struct lpfc_iocbq
*piocb
,
9933 struct lpfc_iocbq
*prspiocbq
,
9936 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q
);
9937 long timeleft
, timeout_req
= 0;
9938 int retval
= IOCB_SUCCESS
;
9940 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
9942 * If the caller has provided a response iocbq buffer, then context2
9943 * is NULL or its an error.
9946 if (piocb
->context2
)
9948 piocb
->context2
= prspiocbq
;
9951 piocb
->iocb_cmpl
= lpfc_sli_wake_iocb_wait
;
9952 piocb
->context_un
.wait_queue
= &done_q
;
9953 piocb
->iocb_flag
&= ~LPFC_IO_WAKE
;
9955 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
9956 if (lpfc_readl(phba
->HCregaddr
, &creg_val
))
9958 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
9959 writel(creg_val
, phba
->HCregaddr
);
9960 readl(phba
->HCregaddr
); /* flush */
9963 retval
= lpfc_sli_issue_iocb(phba
, ring_number
, piocb
,
9965 if (retval
== IOCB_SUCCESS
) {
9966 timeout_req
= timeout
* HZ
;
9967 timeleft
= wait_event_timeout(done_q
,
9968 lpfc_chk_iocb_flg(phba
, piocb
, LPFC_IO_WAKE
),
9971 if (piocb
->iocb_flag
& LPFC_IO_WAKE
) {
9972 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9973 "0331 IOCB wake signaled\n");
9974 } else if (timeleft
== 0) {
9975 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
9976 "0338 IOCB wait timeout error - no "
9977 "wake response Data x%x\n", timeout
);
9978 retval
= IOCB_TIMEDOUT
;
9980 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
9981 "0330 IOCB wake NOT set, "
9983 timeout
, (timeleft
/ jiffies
));
9984 retval
= IOCB_TIMEDOUT
;
9986 } else if (retval
== IOCB_BUSY
) {
9987 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9988 "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n",
9989 phba
->iocb_cnt
, pring
->txq_cnt
, pring
->txcmplq_cnt
);
9992 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
9993 "0332 IOCB wait issue failed, Data x%x\n",
9995 retval
= IOCB_ERROR
;
9998 if (phba
->cfg_poll
& DISABLE_FCP_RING_INT
) {
9999 if (lpfc_readl(phba
->HCregaddr
, &creg_val
))
10001 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
10002 writel(creg_val
, phba
->HCregaddr
);
10003 readl(phba
->HCregaddr
); /* flush */
10007 piocb
->context2
= NULL
;
10009 piocb
->context_un
.wait_queue
= NULL
;
10010 piocb
->iocb_cmpl
= NULL
;
10015 * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox
10016 * @phba: Pointer to HBA context object.
10017 * @pmboxq: Pointer to driver mailbox object.
10018 * @timeout: Timeout in number of seconds.
10020 * This function issues the mailbox to firmware and waits for the
10021 * mailbox command to complete. If the mailbox command is not
10022 * completed within timeout seconds, it returns MBX_TIMEOUT.
10023 * The function waits for the mailbox completion using an
10024 * interruptible wait. If the thread is woken up due to a
10025 * signal, MBX_TIMEOUT error is returned to the caller. Caller
10026 * should not free the mailbox resources, if this function returns
10028 * This function will sleep while waiting for mailbox completion.
10029 * So, this function should not be called from any context which
10030 * does not allow sleeping. Due to the same reason, this function
10031 * cannot be called with interrupt disabled.
10032 * This function assumes that the mailbox completion occurs while
10033 * this function sleep. So, this function cannot be called from
10034 * the worker thread which processes mailbox completion.
10035 * This function is called in the context of HBA management
10037 * This function returns MBX_SUCCESS when successful.
10038 * This function is called with no lock held.
10041 lpfc_sli_issue_mbox_wait(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*pmboxq
,
10044 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q
);
10046 unsigned long flag
;
10048 /* The caller must leave context1 empty. */
10049 if (pmboxq
->context1
)
10050 return MBX_NOT_FINISHED
;
10052 pmboxq
->mbox_flag
&= ~LPFC_MBX_WAKE
;
10053 /* setup wake call as IOCB callback */
10054 pmboxq
->mbox_cmpl
= lpfc_sli_wake_mbox_wait
;
10055 /* setup context field to pass wait_queue pointer to wake function */
10056 pmboxq
->context1
= &done_q
;
10058 /* now issue the command */
10059 retval
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_NOWAIT
);
10060 if (retval
== MBX_BUSY
|| retval
== MBX_SUCCESS
) {
10061 wait_event_interruptible_timeout(done_q
,
10062 pmboxq
->mbox_flag
& LPFC_MBX_WAKE
,
10065 spin_lock_irqsave(&phba
->hbalock
, flag
);
10066 pmboxq
->context1
= NULL
;
10068 * if LPFC_MBX_WAKE flag is set the mailbox is completed
10069 * else do not free the resources.
10071 if (pmboxq
->mbox_flag
& LPFC_MBX_WAKE
) {
10072 retval
= MBX_SUCCESS
;
10073 lpfc_sli4_swap_str(phba
, pmboxq
);
10075 retval
= MBX_TIMEOUT
;
10076 pmboxq
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
10078 spin_unlock_irqrestore(&phba
->hbalock
, flag
);
10085 * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system
10086 * @phba: Pointer to HBA context.
10088 * This function is called to shutdown the driver's mailbox sub-system.
10089 * It first marks the mailbox sub-system is in a block state to prevent
10090 * the asynchronous mailbox command from issued off the pending mailbox
10091 * command queue. If the mailbox command sub-system shutdown is due to
10092 * HBA error conditions such as EEH or ERATT, this routine shall invoke
10093 * the mailbox sub-system flush routine to forcefully bring down the
10094 * mailbox sub-system. Otherwise, if it is due to normal condition (such
10095 * as with offline or HBA function reset), this routine will wait for the
10096 * outstanding mailbox command to complete before invoking the mailbox
10097 * sub-system flush routine to gracefully bring down mailbox sub-system.
10100 lpfc_sli_mbox_sys_shutdown(struct lpfc_hba
*phba
, int mbx_action
)
10102 struct lpfc_sli
*psli
= &phba
->sli
;
10103 unsigned long timeout
;
10105 if (mbx_action
== LPFC_MBX_NO_WAIT
) {
10106 /* delay 100ms for port state */
10108 lpfc_sli_mbox_sys_flush(phba
);
10111 timeout
= msecs_to_jiffies(LPFC_MBOX_TMO
* 1000) + jiffies
;
10113 spin_lock_irq(&phba
->hbalock
);
10114 psli
->sli_flag
|= LPFC_SLI_ASYNC_MBX_BLK
;
10116 if (psli
->sli_flag
& LPFC_SLI_ACTIVE
) {
10117 /* Determine how long we might wait for the active mailbox
10118 * command to be gracefully completed by firmware.
10120 if (phba
->sli
.mbox_active
)
10121 timeout
= msecs_to_jiffies(lpfc_mbox_tmo_val(phba
,
10122 phba
->sli
.mbox_active
) *
10124 spin_unlock_irq(&phba
->hbalock
);
10126 while (phba
->sli
.mbox_active
) {
10127 /* Check active mailbox complete status every 2ms */
10129 if (time_after(jiffies
, timeout
))
10130 /* Timeout, let the mailbox flush routine to
10131 * forcefully release active mailbox command
10136 spin_unlock_irq(&phba
->hbalock
);
10138 lpfc_sli_mbox_sys_flush(phba
);
10142 * lpfc_sli_eratt_read - read sli-3 error attention events
10143 * @phba: Pointer to HBA context.
10145 * This function is called to read the SLI3 device error attention registers
10146 * for possible error attention events. The caller must hold the hostlock
10147 * with spin_lock_irq().
10149 * This function returns 1 when there is Error Attention in the Host Attention
10150 * Register and returns 0 otherwise.
10153 lpfc_sli_eratt_read(struct lpfc_hba
*phba
)
10157 /* Read chip Host Attention (HA) register */
10158 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
10161 if (ha_copy
& HA_ERATT
) {
10162 /* Read host status register to retrieve error event */
10163 if (lpfc_sli_read_hs(phba
))
10166 /* Check if there is a deferred error condition is active */
10167 if ((HS_FFER1
& phba
->work_hs
) &&
10168 ((HS_FFER2
| HS_FFER3
| HS_FFER4
| HS_FFER5
|
10169 HS_FFER6
| HS_FFER7
| HS_FFER8
) & phba
->work_hs
)) {
10170 phba
->hba_flag
|= DEFER_ERATT
;
10171 /* Clear all interrupt enable conditions */
10172 writel(0, phba
->HCregaddr
);
10173 readl(phba
->HCregaddr
);
10176 /* Set the driver HA work bitmap */
10177 phba
->work_ha
|= HA_ERATT
;
10178 /* Indicate polling handles this ERATT */
10179 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10185 /* Set the driver HS work bitmap */
10186 phba
->work_hs
|= UNPLUG_ERR
;
10187 /* Set the driver HA work bitmap */
10188 phba
->work_ha
|= HA_ERATT
;
10189 /* Indicate polling handles this ERATT */
10190 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10195 * lpfc_sli4_eratt_read - read sli-4 error attention events
10196 * @phba: Pointer to HBA context.
10198 * This function is called to read the SLI4 device error attention registers
10199 * for possible error attention events. The caller must hold the hostlock
10200 * with spin_lock_irq().
10202 * This function returns 1 when there is Error Attention in the Host Attention
10203 * Register and returns 0 otherwise.
10206 lpfc_sli4_eratt_read(struct lpfc_hba
*phba
)
10208 uint32_t uerr_sta_hi
, uerr_sta_lo
;
10209 uint32_t if_type
, portsmphr
;
10210 struct lpfc_register portstat_reg
;
10213 * For now, use the SLI4 device internal unrecoverable error
10214 * registers for error attention. This can be changed later.
10216 if_type
= bf_get(lpfc_sli_intf_if_type
, &phba
->sli4_hba
.sli_intf
);
10218 case LPFC_SLI_INTF_IF_TYPE_0
:
10219 if (lpfc_readl(phba
->sli4_hba
.u
.if_type0
.UERRLOregaddr
,
10221 lpfc_readl(phba
->sli4_hba
.u
.if_type0
.UERRHIregaddr
,
10223 phba
->work_hs
|= UNPLUG_ERR
;
10224 phba
->work_ha
|= HA_ERATT
;
10225 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10228 if ((~phba
->sli4_hba
.ue_mask_lo
& uerr_sta_lo
) ||
10229 (~phba
->sli4_hba
.ue_mask_hi
& uerr_sta_hi
)) {
10230 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10231 "1423 HBA Unrecoverable error: "
10232 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
10233 "ue_mask_lo_reg=0x%x, "
10234 "ue_mask_hi_reg=0x%x\n",
10235 uerr_sta_lo
, uerr_sta_hi
,
10236 phba
->sli4_hba
.ue_mask_lo
,
10237 phba
->sli4_hba
.ue_mask_hi
);
10238 phba
->work_status
[0] = uerr_sta_lo
;
10239 phba
->work_status
[1] = uerr_sta_hi
;
10240 phba
->work_ha
|= HA_ERATT
;
10241 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10245 case LPFC_SLI_INTF_IF_TYPE_2
:
10246 if (lpfc_readl(phba
->sli4_hba
.u
.if_type2
.STATUSregaddr
,
10247 &portstat_reg
.word0
) ||
10248 lpfc_readl(phba
->sli4_hba
.PSMPHRregaddr
,
10250 phba
->work_hs
|= UNPLUG_ERR
;
10251 phba
->work_ha
|= HA_ERATT
;
10252 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10255 if (bf_get(lpfc_sliport_status_err
, &portstat_reg
)) {
10256 phba
->work_status
[0] =
10257 readl(phba
->sli4_hba
.u
.if_type2
.ERR1regaddr
);
10258 phba
->work_status
[1] =
10259 readl(phba
->sli4_hba
.u
.if_type2
.ERR2regaddr
);
10260 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10261 "2885 Port Status Event: "
10262 "port status reg 0x%x, "
10263 "port smphr reg 0x%x, "
10264 "error 1=0x%x, error 2=0x%x\n",
10265 portstat_reg
.word0
,
10267 phba
->work_status
[0],
10268 phba
->work_status
[1]);
10269 phba
->work_ha
|= HA_ERATT
;
10270 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10274 case LPFC_SLI_INTF_IF_TYPE_1
:
10276 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10277 "2886 HBA Error Attention on unsupported "
10278 "if type %d.", if_type
);
10286 * lpfc_sli_check_eratt - check error attention events
10287 * @phba: Pointer to HBA context.
10289 * This function is called from timer soft interrupt context to check HBA's
10290 * error attention register bit for error attention events.
10292 * This function returns 1 when there is Error Attention in the Host Attention
10293 * Register and returns 0 otherwise.
10296 lpfc_sli_check_eratt(struct lpfc_hba
*phba
)
10300 /* If somebody is waiting to handle an eratt, don't process it
10301 * here. The brdkill function will do this.
10303 if (phba
->link_flag
& LS_IGNORE_ERATT
)
10306 /* Check if interrupt handler handles this ERATT */
10307 spin_lock_irq(&phba
->hbalock
);
10308 if (phba
->hba_flag
& HBA_ERATT_HANDLED
) {
10309 /* Interrupt handler has handled ERATT */
10310 spin_unlock_irq(&phba
->hbalock
);
10315 * If there is deferred error attention, do not check for error
10318 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
10319 spin_unlock_irq(&phba
->hbalock
);
10323 /* If PCI channel is offline, don't process it */
10324 if (unlikely(pci_channel_offline(phba
->pcidev
))) {
10325 spin_unlock_irq(&phba
->hbalock
);
10329 switch (phba
->sli_rev
) {
10330 case LPFC_SLI_REV2
:
10331 case LPFC_SLI_REV3
:
10332 /* Read chip Host Attention (HA) register */
10333 ha_copy
= lpfc_sli_eratt_read(phba
);
10335 case LPFC_SLI_REV4
:
10336 /* Read device Uncoverable Error (UERR) registers */
10337 ha_copy
= lpfc_sli4_eratt_read(phba
);
10340 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
10341 "0299 Invalid SLI revision (%d)\n",
10346 spin_unlock_irq(&phba
->hbalock
);
10352 * lpfc_intr_state_check - Check device state for interrupt handling
10353 * @phba: Pointer to HBA context.
10355 * This inline routine checks whether a device or its PCI slot is in a state
10356 * that the interrupt should be handled.
10358 * This function returns 0 if the device or the PCI slot is in a state that
10359 * interrupt should be handled, otherwise -EIO.
10362 lpfc_intr_state_check(struct lpfc_hba
*phba
)
10364 /* If the pci channel is offline, ignore all the interrupts */
10365 if (unlikely(pci_channel_offline(phba
->pcidev
)))
10368 /* Update device level interrupt statistics */
10369 phba
->sli
.slistat
.sli_intr
++;
10371 /* Ignore all interrupts during initialization. */
10372 if (unlikely(phba
->link_state
< LPFC_LINK_DOWN
))
10379 * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device
10380 * @irq: Interrupt number.
10381 * @dev_id: The device context pointer.
10383 * This function is directly called from the PCI layer as an interrupt
10384 * service routine when device with SLI-3 interface spec is enabled with
10385 * MSI-X multi-message interrupt mode and there are slow-path events in
10386 * the HBA. However, when the device is enabled with either MSI or Pin-IRQ
10387 * interrupt mode, this function is called as part of the device-level
10388 * interrupt handler. When the PCI slot is in error recovery or the HBA
10389 * is undergoing initialization, the interrupt handler will not process
10390 * the interrupt. The link attention and ELS ring attention events are
10391 * handled by the worker thread. The interrupt handler signals the worker
10392 * thread and returns for these events. This function is called without
10393 * any lock held. It gets the hbalock to access and update SLI data
10396 * This function returns IRQ_HANDLED when interrupt is handled else it
10397 * returns IRQ_NONE.
10400 lpfc_sli_sp_intr_handler(int irq
, void *dev_id
)
10402 struct lpfc_hba
*phba
;
10403 uint32_t ha_copy
, hc_copy
;
10404 uint32_t work_ha_copy
;
10405 unsigned long status
;
10406 unsigned long iflag
;
10409 MAILBOX_t
*mbox
, *pmbox
;
10410 struct lpfc_vport
*vport
;
10411 struct lpfc_nodelist
*ndlp
;
10412 struct lpfc_dmabuf
*mp
;
10417 * Get the driver's phba structure from the dev_id and
10418 * assume the HBA is not interrupting.
10420 phba
= (struct lpfc_hba
*)dev_id
;
10422 if (unlikely(!phba
))
10426 * Stuff needs to be attented to when this function is invoked as an
10427 * individual interrupt handler in MSI-X multi-message interrupt mode
10429 if (phba
->intr_type
== MSIX
) {
10430 /* Check device state for handling interrupt */
10431 if (lpfc_intr_state_check(phba
))
10433 /* Need to read HA REG for slow-path events */
10434 spin_lock_irqsave(&phba
->hbalock
, iflag
);
10435 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
10437 /* If somebody is waiting to handle an eratt don't process it
10438 * here. The brdkill function will do this.
10440 if (phba
->link_flag
& LS_IGNORE_ERATT
)
10441 ha_copy
&= ~HA_ERATT
;
10442 /* Check the need for handling ERATT in interrupt handler */
10443 if (ha_copy
& HA_ERATT
) {
10444 if (phba
->hba_flag
& HBA_ERATT_HANDLED
)
10445 /* ERATT polling has handled ERATT */
10446 ha_copy
&= ~HA_ERATT
;
10448 /* Indicate interrupt handler handles ERATT */
10449 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10453 * If there is deferred error attention, do not check for any
10456 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
10457 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10461 /* Clear up only attention source related to slow-path */
10462 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
))
10465 writel(hc_copy
& ~(HC_MBINT_ENA
| HC_R2INT_ENA
|
10466 HC_LAINT_ENA
| HC_ERINT_ENA
),
10468 writel((ha_copy
& (HA_MBATT
| HA_R2_CLR_MSK
)),
10470 writel(hc_copy
, phba
->HCregaddr
);
10471 readl(phba
->HAregaddr
); /* flush */
10472 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10474 ha_copy
= phba
->ha_copy
;
10476 work_ha_copy
= ha_copy
& phba
->work_ha_mask
;
10478 if (work_ha_copy
) {
10479 if (work_ha_copy
& HA_LATT
) {
10480 if (phba
->sli
.sli_flag
& LPFC_PROCESS_LA
) {
10482 * Turn off Link Attention interrupts
10483 * until CLEAR_LA done
10485 spin_lock_irqsave(&phba
->hbalock
, iflag
);
10486 phba
->sli
.sli_flag
&= ~LPFC_PROCESS_LA
;
10487 if (lpfc_readl(phba
->HCregaddr
, &control
))
10489 control
&= ~HC_LAINT_ENA
;
10490 writel(control
, phba
->HCregaddr
);
10491 readl(phba
->HCregaddr
); /* flush */
10492 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10495 work_ha_copy
&= ~HA_LATT
;
10498 if (work_ha_copy
& ~(HA_ERATT
| HA_MBATT
| HA_LATT
)) {
10500 * Turn off Slow Rings interrupts, LPFC_ELS_RING is
10501 * the only slow ring.
10503 status
= (work_ha_copy
&
10504 (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
10505 status
>>= (4*LPFC_ELS_RING
);
10506 if (status
& HA_RXMASK
) {
10507 spin_lock_irqsave(&phba
->hbalock
, iflag
);
10508 if (lpfc_readl(phba
->HCregaddr
, &control
))
10511 lpfc_debugfs_slow_ring_trc(phba
,
10512 "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x",
10514 (uint32_t)phba
->sli
.slistat
.sli_intr
);
10516 if (control
& (HC_R0INT_ENA
<< LPFC_ELS_RING
)) {
10517 lpfc_debugfs_slow_ring_trc(phba
,
10518 "ISR Disable ring:"
10519 "pwork:x%x hawork:x%x wait:x%x",
10520 phba
->work_ha
, work_ha_copy
,
10521 (uint32_t)((unsigned long)
10522 &phba
->work_waitq
));
10525 ~(HC_R0INT_ENA
<< LPFC_ELS_RING
);
10526 writel(control
, phba
->HCregaddr
);
10527 readl(phba
->HCregaddr
); /* flush */
10530 lpfc_debugfs_slow_ring_trc(phba
,
10531 "ISR slow ring: pwork:"
10532 "x%x hawork:x%x wait:x%x",
10533 phba
->work_ha
, work_ha_copy
,
10534 (uint32_t)((unsigned long)
10535 &phba
->work_waitq
));
10537 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10540 spin_lock_irqsave(&phba
->hbalock
, iflag
);
10541 if (work_ha_copy
& HA_ERATT
) {
10542 if (lpfc_sli_read_hs(phba
))
10545 * Check if there is a deferred error condition
10548 if ((HS_FFER1
& phba
->work_hs
) &&
10549 ((HS_FFER2
| HS_FFER3
| HS_FFER4
| HS_FFER5
|
10550 HS_FFER6
| HS_FFER7
| HS_FFER8
) &
10552 phba
->hba_flag
|= DEFER_ERATT
;
10553 /* Clear all interrupt enable conditions */
10554 writel(0, phba
->HCregaddr
);
10555 readl(phba
->HCregaddr
);
10559 if ((work_ha_copy
& HA_MBATT
) && (phba
->sli
.mbox_active
)) {
10560 pmb
= phba
->sli
.mbox_active
;
10561 pmbox
= &pmb
->u
.mb
;
10563 vport
= pmb
->vport
;
10565 /* First check out the status word */
10566 lpfc_sli_pcimem_bcopy(mbox
, pmbox
, sizeof(uint32_t));
10567 if (pmbox
->mbxOwner
!= OWN_HOST
) {
10568 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10570 * Stray Mailbox Interrupt, mbxCommand <cmd>
10571 * mbxStatus <status>
10573 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
10575 "(%d):0304 Stray Mailbox "
10576 "Interrupt mbxCommand x%x "
10578 (vport
? vport
->vpi
: 0),
10581 /* clear mailbox attention bit */
10582 work_ha_copy
&= ~HA_MBATT
;
10584 phba
->sli
.mbox_active
= NULL
;
10585 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10586 phba
->last_completion_time
= jiffies
;
10587 del_timer(&phba
->sli
.mbox_tmo
);
10588 if (pmb
->mbox_cmpl
) {
10589 lpfc_sli_pcimem_bcopy(mbox
, pmbox
,
10591 if (pmb
->out_ext_byte_len
&&
10593 lpfc_sli_pcimem_bcopy(
10596 pmb
->out_ext_byte_len
);
10598 if (pmb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) {
10599 pmb
->mbox_flag
&= ~LPFC_MBX_IMED_UNREG
;
10601 lpfc_debugfs_disc_trc(vport
,
10602 LPFC_DISC_TRC_MBOX_VPORT
,
10603 "MBOX dflt rpi: : "
10604 "status:x%x rpi:x%x",
10605 (uint32_t)pmbox
->mbxStatus
,
10606 pmbox
->un
.varWords
[0], 0);
10608 if (!pmbox
->mbxStatus
) {
10609 mp
= (struct lpfc_dmabuf
*)
10611 ndlp
= (struct lpfc_nodelist
*)
10614 /* Reg_LOGIN of dflt RPI was
10615 * successful. new lets get
10616 * rid of the RPI using the
10617 * same mbox buffer.
10619 lpfc_unreg_login(phba
,
10621 pmbox
->un
.varWords
[0],
10624 lpfc_mbx_cmpl_dflt_rpi
;
10625 pmb
->context1
= mp
;
10626 pmb
->context2
= ndlp
;
10627 pmb
->vport
= vport
;
10628 rc
= lpfc_sli_issue_mbox(phba
,
10631 if (rc
!= MBX_BUSY
)
10632 lpfc_printf_log(phba
,
10634 LOG_MBOX
| LOG_SLI
,
10635 "0350 rc should have"
10636 "been MBX_BUSY\n");
10637 if (rc
!= MBX_NOT_FINISHED
)
10638 goto send_current_mbox
;
10642 &phba
->pport
->work_port_lock
,
10644 phba
->pport
->work_port_events
&=
10646 spin_unlock_irqrestore(
10647 &phba
->pport
->work_port_lock
,
10649 lpfc_mbox_cmpl_put(phba
, pmb
);
10652 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10654 if ((work_ha_copy
& HA_MBATT
) &&
10655 (phba
->sli
.mbox_active
== NULL
)) {
10657 /* Process next mailbox command if there is one */
10659 rc
= lpfc_sli_issue_mbox(phba
, NULL
,
10661 } while (rc
== MBX_NOT_FINISHED
);
10662 if (rc
!= MBX_SUCCESS
)
10663 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
10664 LOG_SLI
, "0349 rc should be "
10668 spin_lock_irqsave(&phba
->hbalock
, iflag
);
10669 phba
->work_ha
|= work_ha_copy
;
10670 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10671 lpfc_worker_wake_up(phba
);
10673 return IRQ_HANDLED
;
10675 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10676 return IRQ_HANDLED
;
10678 } /* lpfc_sli_sp_intr_handler */
10681 * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device.
10682 * @irq: Interrupt number.
10683 * @dev_id: The device context pointer.
10685 * This function is directly called from the PCI layer as an interrupt
10686 * service routine when device with SLI-3 interface spec is enabled with
10687 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
10688 * ring event in the HBA. However, when the device is enabled with either
10689 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
10690 * device-level interrupt handler. When the PCI slot is in error recovery
10691 * or the HBA is undergoing initialization, the interrupt handler will not
10692 * process the interrupt. The SCSI FCP fast-path ring event are handled in
10693 * the intrrupt context. This function is called without any lock held.
10694 * It gets the hbalock to access and update SLI data structures.
10696 * This function returns IRQ_HANDLED when interrupt is handled else it
10697 * returns IRQ_NONE.
10700 lpfc_sli_fp_intr_handler(int irq
, void *dev_id
)
10702 struct lpfc_hba
*phba
;
10704 unsigned long status
;
10705 unsigned long iflag
;
10707 /* Get the driver's phba structure from the dev_id and
10708 * assume the HBA is not interrupting.
10710 phba
= (struct lpfc_hba
*) dev_id
;
10712 if (unlikely(!phba
))
10716 * Stuff needs to be attented to when this function is invoked as an
10717 * individual interrupt handler in MSI-X multi-message interrupt mode
10719 if (phba
->intr_type
== MSIX
) {
10720 /* Check device state for handling interrupt */
10721 if (lpfc_intr_state_check(phba
))
10723 /* Need to read HA REG for FCP ring and other ring events */
10724 if (lpfc_readl(phba
->HAregaddr
, &ha_copy
))
10725 return IRQ_HANDLED
;
10726 /* Clear up only attention source related to fast-path */
10727 spin_lock_irqsave(&phba
->hbalock
, iflag
);
10729 * If there is deferred error attention, do not check for
10732 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
10733 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10736 writel((ha_copy
& (HA_R0_CLR_MSK
| HA_R1_CLR_MSK
)),
10738 readl(phba
->HAregaddr
); /* flush */
10739 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
10741 ha_copy
= phba
->ha_copy
;
10744 * Process all events on FCP ring. Take the optimized path for FCP IO.
10746 ha_copy
&= ~(phba
->work_ha_mask
);
10748 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_FCP_RING
)));
10749 status
>>= (4*LPFC_FCP_RING
);
10750 if (status
& HA_RXMASK
)
10751 lpfc_sli_handle_fast_ring_event(phba
,
10752 &phba
->sli
.ring
[LPFC_FCP_RING
],
10755 if (phba
->cfg_multi_ring_support
== 2) {
10757 * Process all events on extra ring. Take the optimized path
10758 * for extra ring IO.
10760 status
= (ha_copy
& (HA_RXMASK
<< (4*LPFC_EXTRA_RING
)));
10761 status
>>= (4*LPFC_EXTRA_RING
);
10762 if (status
& HA_RXMASK
) {
10763 lpfc_sli_handle_fast_ring_event(phba
,
10764 &phba
->sli
.ring
[LPFC_EXTRA_RING
],
10768 return IRQ_HANDLED
;
10769 } /* lpfc_sli_fp_intr_handler */
10772 * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device
10773 * @irq: Interrupt number.
10774 * @dev_id: The device context pointer.
10776 * This function is the HBA device-level interrupt handler to device with
10777 * SLI-3 interface spec, called from the PCI layer when either MSI or
10778 * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which
10779 * requires driver attention. This function invokes the slow-path interrupt
10780 * attention handling function and fast-path interrupt attention handling
10781 * function in turn to process the relevant HBA attention events. This
10782 * function is called without any lock held. It gets the hbalock to access
10783 * and update SLI data structures.
10785 * This function returns IRQ_HANDLED when interrupt is handled, else it
10786 * returns IRQ_NONE.
10789 lpfc_sli_intr_handler(int irq
, void *dev_id
)
10791 struct lpfc_hba
*phba
;
10792 irqreturn_t sp_irq_rc
, fp_irq_rc
;
10793 unsigned long status1
, status2
;
10797 * Get the driver's phba structure from the dev_id and
10798 * assume the HBA is not interrupting.
10800 phba
= (struct lpfc_hba
*) dev_id
;
10802 if (unlikely(!phba
))
10805 /* Check device state for handling interrupt */
10806 if (lpfc_intr_state_check(phba
))
10809 spin_lock(&phba
->hbalock
);
10810 if (lpfc_readl(phba
->HAregaddr
, &phba
->ha_copy
)) {
10811 spin_unlock(&phba
->hbalock
);
10812 return IRQ_HANDLED
;
10815 if (unlikely(!phba
->ha_copy
)) {
10816 spin_unlock(&phba
->hbalock
);
10818 } else if (phba
->ha_copy
& HA_ERATT
) {
10819 if (phba
->hba_flag
& HBA_ERATT_HANDLED
)
10820 /* ERATT polling has handled ERATT */
10821 phba
->ha_copy
&= ~HA_ERATT
;
10823 /* Indicate interrupt handler handles ERATT */
10824 phba
->hba_flag
|= HBA_ERATT_HANDLED
;
10828 * If there is deferred error attention, do not check for any interrupt.
10830 if (unlikely(phba
->hba_flag
& DEFER_ERATT
)) {
10831 spin_unlock(&phba
->hbalock
);
10835 /* Clear attention sources except link and error attentions */
10836 if (lpfc_readl(phba
->HCregaddr
, &hc_copy
)) {
10837 spin_unlock(&phba
->hbalock
);
10838 return IRQ_HANDLED
;
10840 writel(hc_copy
& ~(HC_MBINT_ENA
| HC_R0INT_ENA
| HC_R1INT_ENA
10841 | HC_R2INT_ENA
| HC_LAINT_ENA
| HC_ERINT_ENA
),
10843 writel((phba
->ha_copy
& ~(HA_LATT
| HA_ERATT
)), phba
->HAregaddr
);
10844 writel(hc_copy
, phba
->HCregaddr
);
10845 readl(phba
->HAregaddr
); /* flush */
10846 spin_unlock(&phba
->hbalock
);
10849 * Invokes slow-path host attention interrupt handling as appropriate.
10852 /* status of events with mailbox and link attention */
10853 status1
= phba
->ha_copy
& (HA_MBATT
| HA_LATT
| HA_ERATT
);
10855 /* status of events with ELS ring */
10856 status2
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_ELS_RING
)));
10857 status2
>>= (4*LPFC_ELS_RING
);
10859 if (status1
|| (status2
& HA_RXMASK
))
10860 sp_irq_rc
= lpfc_sli_sp_intr_handler(irq
, dev_id
);
10862 sp_irq_rc
= IRQ_NONE
;
10865 * Invoke fast-path host attention interrupt handling as appropriate.
10868 /* status of events with FCP ring */
10869 status1
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_FCP_RING
)));
10870 status1
>>= (4*LPFC_FCP_RING
);
10872 /* status of events with extra ring */
10873 if (phba
->cfg_multi_ring_support
== 2) {
10874 status2
= (phba
->ha_copy
& (HA_RXMASK
<< (4*LPFC_EXTRA_RING
)));
10875 status2
>>= (4*LPFC_EXTRA_RING
);
10879 if ((status1
& HA_RXMASK
) || (status2
& HA_RXMASK
))
10880 fp_irq_rc
= lpfc_sli_fp_intr_handler(irq
, dev_id
);
10882 fp_irq_rc
= IRQ_NONE
;
10884 /* Return device-level interrupt handling status */
10885 return (sp_irq_rc
== IRQ_HANDLED
) ? sp_irq_rc
: fp_irq_rc
;
10886 } /* lpfc_sli_intr_handler */
10889 * lpfc_sli4_fcp_xri_abort_event_proc - Process fcp xri abort event
10890 * @phba: pointer to lpfc hba data structure.
10892 * This routine is invoked by the worker thread to process all the pending
10893 * SLI4 FCP abort XRI events.
10895 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba
*phba
)
10897 struct lpfc_cq_event
*cq_event
;
10899 /* First, declare the fcp xri abort event has been handled */
10900 spin_lock_irq(&phba
->hbalock
);
10901 phba
->hba_flag
&= ~FCP_XRI_ABORT_EVENT
;
10902 spin_unlock_irq(&phba
->hbalock
);
10903 /* Now, handle all the fcp xri abort events */
10904 while (!list_empty(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
)) {
10905 /* Get the first event from the head of the event queue */
10906 spin_lock_irq(&phba
->hbalock
);
10907 list_remove_head(&phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
,
10908 cq_event
, struct lpfc_cq_event
, list
);
10909 spin_unlock_irq(&phba
->hbalock
);
10910 /* Notify aborted XRI for FCP work queue */
10911 lpfc_sli4_fcp_xri_aborted(phba
, &cq_event
->cqe
.wcqe_axri
);
10912 /* Free the event processed back to the free pool */
10913 lpfc_sli4_cq_event_release(phba
, cq_event
);
10918 * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event
10919 * @phba: pointer to lpfc hba data structure.
10921 * This routine is invoked by the worker thread to process all the pending
10922 * SLI4 els abort xri events.
10924 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba
*phba
)
10926 struct lpfc_cq_event
*cq_event
;
10928 /* First, declare the els xri abort event has been handled */
10929 spin_lock_irq(&phba
->hbalock
);
10930 phba
->hba_flag
&= ~ELS_XRI_ABORT_EVENT
;
10931 spin_unlock_irq(&phba
->hbalock
);
10932 /* Now, handle all the els xri abort events */
10933 while (!list_empty(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
)) {
10934 /* Get the first event from the head of the event queue */
10935 spin_lock_irq(&phba
->hbalock
);
10936 list_remove_head(&phba
->sli4_hba
.sp_els_xri_aborted_work_queue
,
10937 cq_event
, struct lpfc_cq_event
, list
);
10938 spin_unlock_irq(&phba
->hbalock
);
10939 /* Notify aborted XRI for ELS work queue */
10940 lpfc_sli4_els_xri_aborted(phba
, &cq_event
->cqe
.wcqe_axri
);
10941 /* Free the event processed back to the free pool */
10942 lpfc_sli4_cq_event_release(phba
, cq_event
);
10947 * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn
10948 * @phba: pointer to lpfc hba data structure
10949 * @pIocbIn: pointer to the rspiocbq
10950 * @pIocbOut: pointer to the cmdiocbq
10951 * @wcqe: pointer to the complete wcqe
10953 * This routine transfers the fields of a command iocbq to a response iocbq
10954 * by copying all the IOCB fields from command iocbq and transferring the
10955 * completion status information from the complete wcqe.
10958 lpfc_sli4_iocb_param_transfer(struct lpfc_hba
*phba
,
10959 struct lpfc_iocbq
*pIocbIn
,
10960 struct lpfc_iocbq
*pIocbOut
,
10961 struct lpfc_wcqe_complete
*wcqe
)
10963 unsigned long iflags
;
10965 size_t offset
= offsetof(struct lpfc_iocbq
, iocb
);
10967 memcpy((char *)pIocbIn
+ offset
, (char *)pIocbOut
+ offset
,
10968 sizeof(struct lpfc_iocbq
) - offset
);
10969 /* Map WCQE parameters into irspiocb parameters */
10970 status
= bf_get(lpfc_wcqe_c_status
, wcqe
);
10971 pIocbIn
->iocb
.ulpStatus
= (status
& LPFC_IOCB_STATUS_MASK
);
10972 if (pIocbOut
->iocb_flag
& LPFC_IO_FCP
)
10973 if (pIocbIn
->iocb
.ulpStatus
== IOSTAT_FCP_RSP_ERROR
)
10974 pIocbIn
->iocb
.un
.fcpi
.fcpi_parm
=
10975 pIocbOut
->iocb
.un
.fcpi
.fcpi_parm
-
10976 wcqe
->total_data_placed
;
10978 pIocbIn
->iocb
.un
.ulpWord
[4] = wcqe
->parameter
;
10980 pIocbIn
->iocb
.un
.ulpWord
[4] = wcqe
->parameter
;
10981 pIocbIn
->iocb
.un
.genreq64
.bdl
.bdeSize
= wcqe
->total_data_placed
;
10984 /* Convert BG errors for completion status */
10985 if (status
== CQE_STATUS_DI_ERROR
) {
10986 pIocbIn
->iocb
.ulpStatus
= IOSTAT_LOCAL_REJECT
;
10988 if (bf_get(lpfc_wcqe_c_bg_edir
, wcqe
))
10989 pIocbIn
->iocb
.un
.ulpWord
[4] = IOERR_RX_DMA_FAILED
;
10991 pIocbIn
->iocb
.un
.ulpWord
[4] = IOERR_TX_DMA_FAILED
;
10993 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
= 0;
10994 if (bf_get(lpfc_wcqe_c_bg_ge
, wcqe
)) /* Guard Check failed */
10995 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
10996 BGS_GUARD_ERR_MASK
;
10997 if (bf_get(lpfc_wcqe_c_bg_ae
, wcqe
)) /* App Tag Check failed */
10998 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
10999 BGS_APPTAG_ERR_MASK
;
11000 if (bf_get(lpfc_wcqe_c_bg_re
, wcqe
)) /* Ref Tag Check failed */
11001 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
11002 BGS_REFTAG_ERR_MASK
;
11004 /* Check to see if there was any good data before the error */
11005 if (bf_get(lpfc_wcqe_c_bg_tdpv
, wcqe
)) {
11006 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
11007 BGS_HI_WATER_MARK_PRESENT_MASK
;
11008 pIocbIn
->iocb
.unsli3
.sli3_bg
.bghm
=
11009 wcqe
->total_data_placed
;
11013 * Set ALL the error bits to indicate we don't know what
11014 * type of error it is.
11016 if (!pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
)
11017 pIocbIn
->iocb
.unsli3
.sli3_bg
.bgstat
|=
11018 (BGS_REFTAG_ERR_MASK
| BGS_APPTAG_ERR_MASK
|
11019 BGS_GUARD_ERR_MASK
);
11022 /* Pick up HBA exchange busy condition */
11023 if (bf_get(lpfc_wcqe_c_xb
, wcqe
)) {
11024 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11025 pIocbIn
->iocb_flag
|= LPFC_EXCHANGE_BUSY
;
11026 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11031 * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe
11032 * @phba: Pointer to HBA context object.
11033 * @wcqe: Pointer to work-queue completion queue entry.
11035 * This routine handles an ELS work-queue completion event and construct
11036 * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common
11037 * discovery engine to handle.
11039 * Return: Pointer to the receive IOCBQ, NULL otherwise.
11041 static struct lpfc_iocbq
*
11042 lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba
*phba
,
11043 struct lpfc_iocbq
*irspiocbq
)
11045 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
11046 struct lpfc_iocbq
*cmdiocbq
;
11047 struct lpfc_wcqe_complete
*wcqe
;
11048 unsigned long iflags
;
11050 wcqe
= &irspiocbq
->cq_event
.cqe
.wcqe_cmpl
;
11051 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
11052 pring
->stats
.iocb_event
++;
11053 /* Look up the ELS command IOCB and create pseudo response IOCB */
11054 cmdiocbq
= lpfc_sli_iocbq_lookup_by_tag(phba
, pring
,
11055 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
11056 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
11058 if (unlikely(!cmdiocbq
)) {
11059 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11060 "0386 ELS complete with no corresponding "
11061 "cmdiocb: iotag (%d)\n",
11062 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
11063 lpfc_sli_release_iocbq(phba
, irspiocbq
);
11067 /* Fake the irspiocbq and copy necessary response information */
11068 lpfc_sli4_iocb_param_transfer(phba
, irspiocbq
, cmdiocbq
, wcqe
);
11074 * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event
11075 * @phba: Pointer to HBA context object.
11076 * @cqe: Pointer to mailbox completion queue entry.
11078 * This routine process a mailbox completion queue entry with asynchrous
11081 * Return: true if work posted to worker thread, otherwise false.
11084 lpfc_sli4_sp_handle_async_event(struct lpfc_hba
*phba
, struct lpfc_mcqe
*mcqe
)
11086 struct lpfc_cq_event
*cq_event
;
11087 unsigned long iflags
;
11089 lpfc_printf_log(phba
, KERN_INFO
, LOG_SLI
,
11090 "0392 Async Event: word0:x%x, word1:x%x, "
11091 "word2:x%x, word3:x%x\n", mcqe
->word0
,
11092 mcqe
->mcqe_tag0
, mcqe
->mcqe_tag1
, mcqe
->trailer
);
11094 /* Allocate a new internal CQ_EVENT entry */
11095 cq_event
= lpfc_sli4_cq_event_alloc(phba
);
11097 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11098 "0394 Failed to allocate CQ_EVENT entry\n");
11102 /* Move the CQE into an asynchronous event entry */
11103 memcpy(&cq_event
->cqe
, mcqe
, sizeof(struct lpfc_mcqe
));
11104 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11105 list_add_tail(&cq_event
->list
, &phba
->sli4_hba
.sp_asynce_work_queue
);
11106 /* Set the async event flag */
11107 phba
->hba_flag
|= ASYNC_EVENT
;
11108 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11114 * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event
11115 * @phba: Pointer to HBA context object.
11116 * @cqe: Pointer to mailbox completion queue entry.
11118 * This routine process a mailbox completion queue entry with mailbox
11119 * completion event.
11121 * Return: true if work posted to worker thread, otherwise false.
11124 lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba
*phba
, struct lpfc_mcqe
*mcqe
)
11126 uint32_t mcqe_status
;
11127 MAILBOX_t
*mbox
, *pmbox
;
11128 struct lpfc_mqe
*mqe
;
11129 struct lpfc_vport
*vport
;
11130 struct lpfc_nodelist
*ndlp
;
11131 struct lpfc_dmabuf
*mp
;
11132 unsigned long iflags
;
11134 bool workposted
= false;
11137 /* If not a mailbox complete MCQE, out by checking mailbox consume */
11138 if (!bf_get(lpfc_trailer_completed
, mcqe
))
11139 goto out_no_mqe_complete
;
11141 /* Get the reference to the active mbox command */
11142 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11143 pmb
= phba
->sli
.mbox_active
;
11144 if (unlikely(!pmb
)) {
11145 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
,
11146 "1832 No pending MBOX command to handle\n");
11147 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11148 goto out_no_mqe_complete
;
11150 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11152 pmbox
= (MAILBOX_t
*)&pmb
->u
.mqe
;
11154 vport
= pmb
->vport
;
11156 /* Reset heartbeat timer */
11157 phba
->last_completion_time
= jiffies
;
11158 del_timer(&phba
->sli
.mbox_tmo
);
11160 /* Move mbox data to caller's mailbox region, do endian swapping */
11161 if (pmb
->mbox_cmpl
&& mbox
)
11162 lpfc_sli_pcimem_bcopy(mbox
, mqe
, sizeof(struct lpfc_mqe
));
11165 * For mcqe errors, conditionally move a modified error code to
11166 * the mbox so that the error will not be missed.
11168 mcqe_status
= bf_get(lpfc_mcqe_status
, mcqe
);
11169 if (mcqe_status
!= MB_CQE_STATUS_SUCCESS
) {
11170 if (bf_get(lpfc_mqe_status
, mqe
) == MBX_SUCCESS
)
11171 bf_set(lpfc_mqe_status
, mqe
,
11172 (LPFC_MBX_ERROR_RANGE
| mcqe_status
));
11174 if (pmb
->mbox_flag
& LPFC_MBX_IMED_UNREG
) {
11175 pmb
->mbox_flag
&= ~LPFC_MBX_IMED_UNREG
;
11176 lpfc_debugfs_disc_trc(vport
, LPFC_DISC_TRC_MBOX_VPORT
,
11177 "MBOX dflt rpi: status:x%x rpi:x%x",
11179 pmbox
->un
.varWords
[0], 0);
11180 if (mcqe_status
== MB_CQE_STATUS_SUCCESS
) {
11181 mp
= (struct lpfc_dmabuf
*)(pmb
->context1
);
11182 ndlp
= (struct lpfc_nodelist
*)pmb
->context2
;
11183 /* Reg_LOGIN of dflt RPI was successful. Now lets get
11184 * RID of the PPI using the same mbox buffer.
11186 lpfc_unreg_login(phba
, vport
->vpi
,
11187 pmbox
->un
.varWords
[0], pmb
);
11188 pmb
->mbox_cmpl
= lpfc_mbx_cmpl_dflt_rpi
;
11189 pmb
->context1
= mp
;
11190 pmb
->context2
= ndlp
;
11191 pmb
->vport
= vport
;
11192 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_NOWAIT
);
11193 if (rc
!= MBX_BUSY
)
11194 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
|
11195 LOG_SLI
, "0385 rc should "
11196 "have been MBX_BUSY\n");
11197 if (rc
!= MBX_NOT_FINISHED
)
11198 goto send_current_mbox
;
11201 spin_lock_irqsave(&phba
->pport
->work_port_lock
, iflags
);
11202 phba
->pport
->work_port_events
&= ~WORKER_MBOX_TMO
;
11203 spin_unlock_irqrestore(&phba
->pport
->work_port_lock
, iflags
);
11205 /* There is mailbox completion work to do */
11206 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11207 __lpfc_mbox_cmpl_put(phba
, pmb
);
11208 phba
->work_ha
|= HA_MBATT
;
11209 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11213 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11214 /* Release the mailbox command posting token */
11215 phba
->sli
.sli_flag
&= ~LPFC_SLI_MBOX_ACTIVE
;
11216 /* Setting active mailbox pointer need to be in sync to flag clear */
11217 phba
->sli
.mbox_active
= NULL
;
11218 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11219 /* Wake up worker thread to post the next pending mailbox command */
11220 lpfc_worker_wake_up(phba
);
11221 out_no_mqe_complete
:
11222 if (bf_get(lpfc_trailer_consumed
, mcqe
))
11223 lpfc_sli4_mq_release(phba
->sli4_hba
.mbx_wq
);
11228 * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry
11229 * @phba: Pointer to HBA context object.
11230 * @cqe: Pointer to mailbox completion queue entry.
11232 * This routine process a mailbox completion queue entry, it invokes the
11233 * proper mailbox complete handling or asynchrous event handling routine
11234 * according to the MCQE's async bit.
11236 * Return: true if work posted to worker thread, otherwise false.
11239 lpfc_sli4_sp_handle_mcqe(struct lpfc_hba
*phba
, struct lpfc_cqe
*cqe
)
11241 struct lpfc_mcqe mcqe
;
11244 /* Copy the mailbox MCQE and convert endian order as needed */
11245 lpfc_sli_pcimem_bcopy(cqe
, &mcqe
, sizeof(struct lpfc_mcqe
));
11247 /* Invoke the proper event handling routine */
11248 if (!bf_get(lpfc_trailer_async
, &mcqe
))
11249 workposted
= lpfc_sli4_sp_handle_mbox_event(phba
, &mcqe
);
11251 workposted
= lpfc_sli4_sp_handle_async_event(phba
, &mcqe
);
11256 * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event
11257 * @phba: Pointer to HBA context object.
11258 * @cq: Pointer to associated CQ
11259 * @wcqe: Pointer to work-queue completion queue entry.
11261 * This routine handles an ELS work-queue completion event.
11263 * Return: true if work posted to worker thread, otherwise false.
11266 lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
11267 struct lpfc_wcqe_complete
*wcqe
)
11269 struct lpfc_iocbq
*irspiocbq
;
11270 unsigned long iflags
;
11271 struct lpfc_sli_ring
*pring
= cq
->pring
;
11273 /* Get an irspiocbq for later ELS response processing use */
11274 irspiocbq
= lpfc_sli_get_iocbq(phba
);
11276 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11277 "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d "
11278 "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n",
11279 pring
->txq_cnt
, phba
->iocb_cnt
,
11280 phba
->sli
.ring
[LPFC_FCP_RING
].txcmplq_cnt
,
11281 phba
->sli
.ring
[LPFC_ELS_RING
].txcmplq_cnt
);
11285 /* Save off the slow-path queue event for work thread to process */
11286 memcpy(&irspiocbq
->cq_event
.cqe
.wcqe_cmpl
, wcqe
, sizeof(*wcqe
));
11287 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11288 list_add_tail(&irspiocbq
->cq_event
.list
,
11289 &phba
->sli4_hba
.sp_queue_event
);
11290 phba
->hba_flag
|= HBA_SP_QUEUE_EVT
;
11291 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11297 * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event
11298 * @phba: Pointer to HBA context object.
11299 * @wcqe: Pointer to work-queue completion queue entry.
11301 * This routine handles slow-path WQ entry comsumed event by invoking the
11302 * proper WQ release routine to the slow-path WQ.
11305 lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba
*phba
,
11306 struct lpfc_wcqe_release
*wcqe
)
11308 /* sanity check on queue memory */
11309 if (unlikely(!phba
->sli4_hba
.els_wq
))
11311 /* Check for the slow-path ELS work queue */
11312 if (bf_get(lpfc_wcqe_r_wq_id
, wcqe
) == phba
->sli4_hba
.els_wq
->queue_id
)
11313 lpfc_sli4_wq_release(phba
->sli4_hba
.els_wq
,
11314 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
));
11316 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11317 "2579 Slow-path wqe consume event carries "
11318 "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n",
11319 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
),
11320 phba
->sli4_hba
.els_wq
->queue_id
);
11324 * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event
11325 * @phba: Pointer to HBA context object.
11326 * @cq: Pointer to a WQ completion queue.
11327 * @wcqe: Pointer to work-queue completion queue entry.
11329 * This routine handles an XRI abort event.
11331 * Return: true if work posted to worker thread, otherwise false.
11334 lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba
*phba
,
11335 struct lpfc_queue
*cq
,
11336 struct sli4_wcqe_xri_aborted
*wcqe
)
11338 bool workposted
= false;
11339 struct lpfc_cq_event
*cq_event
;
11340 unsigned long iflags
;
11342 /* Allocate a new internal CQ_EVENT entry */
11343 cq_event
= lpfc_sli4_cq_event_alloc(phba
);
11345 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11346 "0602 Failed to allocate CQ_EVENT entry\n");
11350 /* Move the CQE into the proper xri abort event list */
11351 memcpy(&cq_event
->cqe
, wcqe
, sizeof(struct sli4_wcqe_xri_aborted
));
11352 switch (cq
->subtype
) {
11354 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11355 list_add_tail(&cq_event
->list
,
11356 &phba
->sli4_hba
.sp_fcp_xri_aborted_work_queue
);
11357 /* Set the fcp xri abort event flag */
11358 phba
->hba_flag
|= FCP_XRI_ABORT_EVENT
;
11359 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11363 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11364 list_add_tail(&cq_event
->list
,
11365 &phba
->sli4_hba
.sp_els_xri_aborted_work_queue
);
11366 /* Set the els xri abort event flag */
11367 phba
->hba_flag
|= ELS_XRI_ABORT_EVENT
;
11368 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11372 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11373 "0603 Invalid work queue CQE subtype (x%x)\n",
11375 workposted
= false;
11382 * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry
11383 * @phba: Pointer to HBA context object.
11384 * @rcqe: Pointer to receive-queue completion queue entry.
11386 * This routine process a receive-queue completion queue entry.
11388 * Return: true if work posted to worker thread, otherwise false.
11391 lpfc_sli4_sp_handle_rcqe(struct lpfc_hba
*phba
, struct lpfc_rcqe
*rcqe
)
11393 bool workposted
= false;
11394 struct lpfc_queue
*hrq
= phba
->sli4_hba
.hdr_rq
;
11395 struct lpfc_queue
*drq
= phba
->sli4_hba
.dat_rq
;
11396 struct hbq_dmabuf
*dma_buf
;
11397 uint32_t status
, rq_id
;
11398 unsigned long iflags
;
11400 /* sanity check on queue memory */
11401 if (unlikely(!hrq
) || unlikely(!drq
))
11404 if (bf_get(lpfc_cqe_code
, rcqe
) == CQE_CODE_RECEIVE_V1
)
11405 rq_id
= bf_get(lpfc_rcqe_rq_id_v1
, rcqe
);
11407 rq_id
= bf_get(lpfc_rcqe_rq_id
, rcqe
);
11408 if (rq_id
!= hrq
->queue_id
)
11411 status
= bf_get(lpfc_rcqe_status
, rcqe
);
11413 case FC_STATUS_RQ_BUF_LEN_EXCEEDED
:
11414 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11415 "2537 Receive Frame Truncated!!\n");
11416 hrq
->RQ_buf_trunc
++;
11417 case FC_STATUS_RQ_SUCCESS
:
11418 lpfc_sli4_rq_release(hrq
, drq
);
11419 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11420 dma_buf
= lpfc_sli_hbqbuf_get(&phba
->hbqs
[0].hbq_buffer_list
);
11422 hrq
->RQ_no_buf_found
++;
11423 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11427 memcpy(&dma_buf
->cq_event
.cqe
.rcqe_cmpl
, rcqe
, sizeof(*rcqe
));
11428 /* save off the frame for the word thread to process */
11429 list_add_tail(&dma_buf
->cq_event
.list
,
11430 &phba
->sli4_hba
.sp_queue_event
);
11431 /* Frame received */
11432 phba
->hba_flag
|= HBA_SP_QUEUE_EVT
;
11433 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11436 case FC_STATUS_INSUFF_BUF_NEED_BUF
:
11437 case FC_STATUS_INSUFF_BUF_FRM_DISC
:
11438 hrq
->RQ_no_posted_buf
++;
11439 /* Post more buffers if possible */
11440 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11441 phba
->hba_flag
|= HBA_POST_RECEIVE_BUFFER
;
11442 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11451 * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry
11452 * @phba: Pointer to HBA context object.
11453 * @cq: Pointer to the completion queue.
11454 * @wcqe: Pointer to a completion queue entry.
11456 * This routine process a slow-path work-queue or receive queue completion queue
11459 * Return: true if work posted to worker thread, otherwise false.
11462 lpfc_sli4_sp_handle_cqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
11463 struct lpfc_cqe
*cqe
)
11465 struct lpfc_cqe cqevt
;
11466 bool workposted
= false;
11468 /* Copy the work queue CQE and convert endian order if needed */
11469 lpfc_sli_pcimem_bcopy(cqe
, &cqevt
, sizeof(struct lpfc_cqe
));
11471 /* Check and process for different type of WCQE and dispatch */
11472 switch (bf_get(lpfc_cqe_code
, &cqevt
)) {
11473 case CQE_CODE_COMPL_WQE
:
11474 /* Process the WQ/RQ complete event */
11475 phba
->last_completion_time
= jiffies
;
11476 workposted
= lpfc_sli4_sp_handle_els_wcqe(phba
, cq
,
11477 (struct lpfc_wcqe_complete
*)&cqevt
);
11479 case CQE_CODE_RELEASE_WQE
:
11480 /* Process the WQ release event */
11481 lpfc_sli4_sp_handle_rel_wcqe(phba
,
11482 (struct lpfc_wcqe_release
*)&cqevt
);
11484 case CQE_CODE_XRI_ABORTED
:
11485 /* Process the WQ XRI abort event */
11486 phba
->last_completion_time
= jiffies
;
11487 workposted
= lpfc_sli4_sp_handle_abort_xri_wcqe(phba
, cq
,
11488 (struct sli4_wcqe_xri_aborted
*)&cqevt
);
11490 case CQE_CODE_RECEIVE
:
11491 case CQE_CODE_RECEIVE_V1
:
11492 /* Process the RQ event */
11493 phba
->last_completion_time
= jiffies
;
11494 workposted
= lpfc_sli4_sp_handle_rcqe(phba
,
11495 (struct lpfc_rcqe
*)&cqevt
);
11498 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11499 "0388 Not a valid WCQE code: x%x\n",
11500 bf_get(lpfc_cqe_code
, &cqevt
));
11507 * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry
11508 * @phba: Pointer to HBA context object.
11509 * @eqe: Pointer to fast-path event queue entry.
11511 * This routine process a event queue entry from the slow-path event queue.
11512 * It will check the MajorCode and MinorCode to determine this is for a
11513 * completion event on a completion queue, if not, an error shall be logged
11514 * and just return. Otherwise, it will get to the corresponding completion
11515 * queue and process all the entries on that completion queue, rearm the
11516 * completion queue, and then return.
11520 lpfc_sli4_sp_handle_eqe(struct lpfc_hba
*phba
, struct lpfc_eqe
*eqe
,
11521 struct lpfc_queue
*speq
)
11523 struct lpfc_queue
*cq
= NULL
, *childq
;
11524 struct lpfc_cqe
*cqe
;
11525 bool workposted
= false;
11529 /* Get the reference to the corresponding CQ */
11530 cqid
= bf_get_le32(lpfc_eqe_resource_id
, eqe
);
11532 list_for_each_entry(childq
, &speq
->child_list
, list
) {
11533 if (childq
->queue_id
== cqid
) {
11538 if (unlikely(!cq
)) {
11539 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
11540 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11541 "0365 Slow-path CQ identifier "
11542 "(%d) does not exist\n", cqid
);
11546 /* Process all the entries to the CQ */
11547 switch (cq
->type
) {
11549 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
11550 workposted
|= lpfc_sli4_sp_handle_mcqe(phba
, cqe
);
11551 if (!(++ecount
% cq
->entry_repost
))
11552 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
11557 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
11558 if (cq
->subtype
== LPFC_FCP
)
11559 workposted
|= lpfc_sli4_fp_handle_wcqe(phba
, cq
,
11562 workposted
|= lpfc_sli4_sp_handle_cqe(phba
, cq
,
11564 if (!(++ecount
% cq
->entry_repost
))
11565 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
11568 /* Track the max number of CQEs processed in 1 EQ */
11569 if (ecount
> cq
->CQ_max_cqe
)
11570 cq
->CQ_max_cqe
= ecount
;
11573 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11574 "0370 Invalid completion queue type (%d)\n",
11579 /* Catch the no cq entry condition, log an error */
11580 if (unlikely(ecount
== 0))
11581 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11582 "0371 No entry from the CQ: identifier "
11583 "(x%x), type (%d)\n", cq
->queue_id
, cq
->type
);
11585 /* In any case, flash and re-arm the RCQ */
11586 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_REARM
);
11588 /* wake up worker thread if there are works to be done */
11590 lpfc_worker_wake_up(phba
);
11594 * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry
11595 * @phba: Pointer to HBA context object.
11596 * @cq: Pointer to associated CQ
11597 * @wcqe: Pointer to work-queue completion queue entry.
11599 * This routine process a fast-path work queue completion entry from fast-path
11600 * event queue for FCP command response completion.
11603 lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
11604 struct lpfc_wcqe_complete
*wcqe
)
11606 struct lpfc_sli_ring
*pring
= cq
->pring
;
11607 struct lpfc_iocbq
*cmdiocbq
;
11608 struct lpfc_iocbq irspiocbq
;
11609 unsigned long iflags
;
11611 /* Check for response status */
11612 if (unlikely(bf_get(lpfc_wcqe_c_status
, wcqe
))) {
11613 /* If resource errors reported from HBA, reduce queue
11614 * depth of the SCSI device.
11616 if (((bf_get(lpfc_wcqe_c_status
, wcqe
) ==
11617 IOSTAT_LOCAL_REJECT
)) &&
11618 ((wcqe
->parameter
& IOERR_PARAM_MASK
) ==
11619 IOERR_NO_RESOURCES
))
11620 phba
->lpfc_rampdown_queue_depth(phba
);
11622 /* Log the error status */
11623 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11624 "0373 FCP complete error: status=x%x, "
11625 "hw_status=x%x, total_data_specified=%d, "
11626 "parameter=x%x, word3=x%x\n",
11627 bf_get(lpfc_wcqe_c_status
, wcqe
),
11628 bf_get(lpfc_wcqe_c_hw_status
, wcqe
),
11629 wcqe
->total_data_placed
, wcqe
->parameter
,
11633 /* Look up the FCP command IOCB and create pseudo response IOCB */
11634 spin_lock_irqsave(&pring
->ring_lock
, iflags
);
11635 pring
->stats
.iocb_event
++;
11636 cmdiocbq
= lpfc_sli_iocbq_lookup_by_tag(phba
, pring
,
11637 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
11638 spin_unlock_irqrestore(&pring
->ring_lock
, iflags
);
11639 if (unlikely(!cmdiocbq
)) {
11640 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11641 "0374 FCP complete with no corresponding "
11642 "cmdiocb: iotag (%d)\n",
11643 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
11646 if (unlikely(!cmdiocbq
->iocb_cmpl
)) {
11647 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11648 "0375 FCP cmdiocb not callback function "
11650 bf_get(lpfc_wcqe_c_request_tag
, wcqe
));
11654 /* Fake the irspiocb and copy necessary response information */
11655 lpfc_sli4_iocb_param_transfer(phba
, &irspiocbq
, cmdiocbq
, wcqe
);
11657 if (cmdiocbq
->iocb_flag
& LPFC_DRIVER_ABORTED
) {
11658 spin_lock_irqsave(&phba
->hbalock
, iflags
);
11659 cmdiocbq
->iocb_flag
&= ~LPFC_DRIVER_ABORTED
;
11660 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
11663 /* Pass the cmd_iocb and the rsp state to the upper layer */
11664 (cmdiocbq
->iocb_cmpl
)(phba
, cmdiocbq
, &irspiocbq
);
11668 * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event
11669 * @phba: Pointer to HBA context object.
11670 * @cq: Pointer to completion queue.
11671 * @wcqe: Pointer to work-queue completion queue entry.
11673 * This routine handles an fast-path WQ entry comsumed event by invoking the
11674 * proper WQ release routine to the slow-path WQ.
11677 lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
11678 struct lpfc_wcqe_release
*wcqe
)
11680 struct lpfc_queue
*childwq
;
11681 bool wqid_matched
= false;
11684 /* Check for fast-path FCP work queue release */
11685 fcp_wqid
= bf_get(lpfc_wcqe_r_wq_id
, wcqe
);
11686 list_for_each_entry(childwq
, &cq
->child_list
, list
) {
11687 if (childwq
->queue_id
== fcp_wqid
) {
11688 lpfc_sli4_wq_release(childwq
,
11689 bf_get(lpfc_wcqe_r_wqe_index
, wcqe
));
11690 wqid_matched
= true;
11694 /* Report warning log message if no match found */
11695 if (wqid_matched
!= true)
11696 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11697 "2580 Fast-path wqe consume event carries "
11698 "miss-matched qid: wcqe-qid=x%x\n", fcp_wqid
);
11702 * lpfc_sli4_fp_handle_wcqe - Process fast-path work queue completion entry
11703 * @cq: Pointer to the completion queue.
11704 * @eqe: Pointer to fast-path completion queue entry.
11706 * This routine process a fast-path work queue completion entry from fast-path
11707 * event queue for FCP command response completion.
11710 lpfc_sli4_fp_handle_wcqe(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
11711 struct lpfc_cqe
*cqe
)
11713 struct lpfc_wcqe_release wcqe
;
11714 bool workposted
= false;
11716 /* Copy the work queue CQE and convert endian order if needed */
11717 lpfc_sli_pcimem_bcopy(cqe
, &wcqe
, sizeof(struct lpfc_cqe
));
11719 /* Check and process for different type of WCQE and dispatch */
11720 switch (bf_get(lpfc_wcqe_c_code
, &wcqe
)) {
11721 case CQE_CODE_COMPL_WQE
:
11723 /* Process the WQ complete event */
11724 phba
->last_completion_time
= jiffies
;
11725 lpfc_sli4_fp_handle_fcp_wcqe(phba
, cq
,
11726 (struct lpfc_wcqe_complete
*)&wcqe
);
11728 case CQE_CODE_RELEASE_WQE
:
11729 cq
->CQ_release_wqe
++;
11730 /* Process the WQ release event */
11731 lpfc_sli4_fp_handle_rel_wcqe(phba
, cq
,
11732 (struct lpfc_wcqe_release
*)&wcqe
);
11734 case CQE_CODE_XRI_ABORTED
:
11735 cq
->CQ_xri_aborted
++;
11736 /* Process the WQ XRI abort event */
11737 phba
->last_completion_time
= jiffies
;
11738 workposted
= lpfc_sli4_sp_handle_abort_xri_wcqe(phba
, cq
,
11739 (struct sli4_wcqe_xri_aborted
*)&wcqe
);
11742 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11743 "0144 Not a valid WCQE code: x%x\n",
11744 bf_get(lpfc_wcqe_c_code
, &wcqe
));
11751 * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry
11752 * @phba: Pointer to HBA context object.
11753 * @eqe: Pointer to fast-path event queue entry.
11755 * This routine process a event queue entry from the fast-path event queue.
11756 * It will check the MajorCode and MinorCode to determine this is for a
11757 * completion event on a completion queue, if not, an error shall be logged
11758 * and just return. Otherwise, it will get to the corresponding completion
11759 * queue and process all the entries on the completion queue, rearm the
11760 * completion queue, and then return.
11763 lpfc_sli4_hba_handle_eqe(struct lpfc_hba
*phba
, struct lpfc_eqe
*eqe
,
11766 struct lpfc_queue
*cq
;
11767 struct lpfc_cqe
*cqe
;
11768 bool workposted
= false;
11772 if (unlikely(bf_get_le32(lpfc_eqe_major_code
, eqe
) != 0)) {
11773 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11774 "0366 Not a valid completion "
11775 "event: majorcode=x%x, minorcode=x%x\n",
11776 bf_get_le32(lpfc_eqe_major_code
, eqe
),
11777 bf_get_le32(lpfc_eqe_minor_code
, eqe
));
11781 /* Get the reference to the corresponding CQ */
11782 cqid
= bf_get_le32(lpfc_eqe_resource_id
, eqe
);
11784 /* Check if this is a Slow path event */
11785 if (unlikely(cqid
!= phba
->sli4_hba
.fcp_cq_map
[qidx
])) {
11786 lpfc_sli4_sp_handle_eqe(phba
, eqe
,
11787 phba
->sli4_hba
.hba_eq
[qidx
]);
11791 if (unlikely(!phba
->sli4_hba
.fcp_cq
)) {
11792 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11793 "3146 Fast-path completion queues "
11794 "does not exist\n");
11797 cq
= phba
->sli4_hba
.fcp_cq
[qidx
];
11798 if (unlikely(!cq
)) {
11799 if (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
)
11800 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11801 "0367 Fast-path completion queue "
11802 "(%d) does not exist\n", qidx
);
11806 if (unlikely(cqid
!= cq
->queue_id
)) {
11807 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11808 "0368 Miss-matched fast-path completion "
11809 "queue identifier: eqcqid=%d, fcpcqid=%d\n",
11810 cqid
, cq
->queue_id
);
11814 /* Process all the entries to the CQ */
11815 while ((cqe
= lpfc_sli4_cq_get(cq
))) {
11816 workposted
|= lpfc_sli4_fp_handle_wcqe(phba
, cq
, cqe
);
11817 if (!(++ecount
% cq
->entry_repost
))
11818 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_NOARM
);
11821 /* Track the max number of CQEs processed in 1 EQ */
11822 if (ecount
> cq
->CQ_max_cqe
)
11823 cq
->CQ_max_cqe
= ecount
;
11825 /* Catch the no cq entry condition */
11826 if (unlikely(ecount
== 0))
11827 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
11828 "0369 No entry from fast-path completion "
11829 "queue fcpcqid=%d\n", cq
->queue_id
);
11831 /* In any case, flash and re-arm the CQ */
11832 lpfc_sli4_cq_release(cq
, LPFC_QUEUE_REARM
);
11834 /* wake up worker thread if there are works to be done */
11836 lpfc_worker_wake_up(phba
);
11840 lpfc_sli4_eq_flush(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
)
11842 struct lpfc_eqe
*eqe
;
11844 /* walk all the EQ entries and drop on the floor */
11845 while ((eqe
= lpfc_sli4_eq_get(eq
)))
11848 /* Clear and re-arm the EQ */
11849 lpfc_sli4_eq_release(eq
, LPFC_QUEUE_REARM
);
11853 * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device
11854 * @irq: Interrupt number.
11855 * @dev_id: The device context pointer.
11857 * This function is directly called from the PCI layer as an interrupt
11858 * service routine when device with SLI-4 interface spec is enabled with
11859 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
11860 * ring event in the HBA. However, when the device is enabled with either
11861 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
11862 * device-level interrupt handler. When the PCI slot is in error recovery
11863 * or the HBA is undergoing initialization, the interrupt handler will not
11864 * process the interrupt. The SCSI FCP fast-path ring event are handled in
11865 * the intrrupt context. This function is called without any lock held.
11866 * It gets the hbalock to access and update SLI data structures. Note that,
11867 * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is
11868 * equal to that of FCP CQ index.
11870 * The link attention and ELS ring attention events are handled
11871 * by the worker thread. The interrupt handler signals the worker thread
11872 * and returns for these events. This function is called without any lock
11873 * held. It gets the hbalock to access and update SLI data structures.
11875 * This function returns IRQ_HANDLED when interrupt is handled else it
11876 * returns IRQ_NONE.
11879 lpfc_sli4_hba_intr_handler(int irq
, void *dev_id
)
11881 struct lpfc_hba
*phba
;
11882 struct lpfc_fcp_eq_hdl
*fcp_eq_hdl
;
11883 struct lpfc_queue
*fpeq
;
11884 struct lpfc_eqe
*eqe
;
11885 unsigned long iflag
;
11889 /* Get the driver's phba structure from the dev_id */
11890 fcp_eq_hdl
= (struct lpfc_fcp_eq_hdl
*)dev_id
;
11891 phba
= fcp_eq_hdl
->phba
;
11892 fcp_eqidx
= fcp_eq_hdl
->idx
;
11894 if (unlikely(!phba
))
11896 if (unlikely(!phba
->sli4_hba
.hba_eq
))
11899 /* Get to the EQ struct associated with this vector */
11900 fpeq
= phba
->sli4_hba
.hba_eq
[fcp_eqidx
];
11901 if (unlikely(!fpeq
))
11904 if (lpfc_fcp_look_ahead
) {
11905 if (atomic_dec_and_test(&fcp_eq_hdl
->fcp_eq_in_use
))
11906 lpfc_sli4_eq_clr_intr(fpeq
);
11908 atomic_inc(&fcp_eq_hdl
->fcp_eq_in_use
);
11913 /* Check device state for handling interrupt */
11914 if (unlikely(lpfc_intr_state_check(phba
))) {
11915 fpeq
->EQ_badstate
++;
11916 /* Check again for link_state with lock held */
11917 spin_lock_irqsave(&phba
->hbalock
, iflag
);
11918 if (phba
->link_state
< LPFC_LINK_DOWN
)
11919 /* Flush, clear interrupt, and rearm the EQ */
11920 lpfc_sli4_eq_flush(phba
, fpeq
);
11921 spin_unlock_irqrestore(&phba
->hbalock
, iflag
);
11922 if (lpfc_fcp_look_ahead
)
11923 atomic_inc(&fcp_eq_hdl
->fcp_eq_in_use
);
11928 * Process all the event on FCP fast-path EQ
11930 while ((eqe
= lpfc_sli4_eq_get(fpeq
))) {
11931 lpfc_sli4_hba_handle_eqe(phba
, eqe
, fcp_eqidx
);
11932 if (!(++ecount
% fpeq
->entry_repost
))
11933 lpfc_sli4_eq_release(fpeq
, LPFC_QUEUE_NOARM
);
11934 fpeq
->EQ_processed
++;
11937 /* Track the max number of EQEs processed in 1 intr */
11938 if (ecount
> fpeq
->EQ_max_eqe
)
11939 fpeq
->EQ_max_eqe
= ecount
;
11941 /* Always clear and re-arm the fast-path EQ */
11942 lpfc_sli4_eq_release(fpeq
, LPFC_QUEUE_REARM
);
11944 if (unlikely(ecount
== 0)) {
11945 fpeq
->EQ_no_entry
++;
11947 if (lpfc_fcp_look_ahead
) {
11948 atomic_inc(&fcp_eq_hdl
->fcp_eq_in_use
);
11952 if (phba
->intr_type
== MSIX
)
11953 /* MSI-X treated interrupt served as no EQ share INT */
11954 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
11955 "0358 MSI-X interrupt with no EQE\n");
11957 /* Non MSI-X treated on interrupt as EQ share INT */
11961 if (lpfc_fcp_look_ahead
)
11962 atomic_inc(&fcp_eq_hdl
->fcp_eq_in_use
);
11963 return IRQ_HANDLED
;
11964 } /* lpfc_sli4_fp_intr_handler */
11967 * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device
11968 * @irq: Interrupt number.
11969 * @dev_id: The device context pointer.
11971 * This function is the device-level interrupt handler to device with SLI-4
11972 * interface spec, called from the PCI layer when either MSI or Pin-IRQ
11973 * interrupt mode is enabled and there is an event in the HBA which requires
11974 * driver attention. This function invokes the slow-path interrupt attention
11975 * handling function and fast-path interrupt attention handling function in
11976 * turn to process the relevant HBA attention events. This function is called
11977 * without any lock held. It gets the hbalock to access and update SLI data
11980 * This function returns IRQ_HANDLED when interrupt is handled, else it
11981 * returns IRQ_NONE.
11984 lpfc_sli4_intr_handler(int irq
, void *dev_id
)
11986 struct lpfc_hba
*phba
;
11987 irqreturn_t hba_irq_rc
;
11988 bool hba_handled
= false;
11991 /* Get the driver's phba structure from the dev_id */
11992 phba
= (struct lpfc_hba
*)dev_id
;
11994 if (unlikely(!phba
))
11998 * Invoke fast-path host attention interrupt handling as appropriate.
12000 for (fcp_eqidx
= 0; fcp_eqidx
< phba
->cfg_fcp_io_channel
; fcp_eqidx
++) {
12001 hba_irq_rc
= lpfc_sli4_hba_intr_handler(irq
,
12002 &phba
->sli4_hba
.fcp_eq_hdl
[fcp_eqidx
]);
12003 if (hba_irq_rc
== IRQ_HANDLED
)
12004 hba_handled
|= true;
12007 return (hba_handled
== true) ? IRQ_HANDLED
: IRQ_NONE
;
12008 } /* lpfc_sli4_intr_handler */
12011 * lpfc_sli4_queue_free - free a queue structure and associated memory
12012 * @queue: The queue structure to free.
12014 * This function frees a queue structure and the DMAable memory used for
12015 * the host resident queue. This function must be called after destroying the
12016 * queue on the HBA.
12019 lpfc_sli4_queue_free(struct lpfc_queue
*queue
)
12021 struct lpfc_dmabuf
*dmabuf
;
12026 while (!list_empty(&queue
->page_list
)) {
12027 list_remove_head(&queue
->page_list
, dmabuf
, struct lpfc_dmabuf
,
12029 dma_free_coherent(&queue
->phba
->pcidev
->dev
, SLI4_PAGE_SIZE
,
12030 dmabuf
->virt
, dmabuf
->phys
);
12038 * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure
12039 * @phba: The HBA that this queue is being created on.
12040 * @entry_size: The size of each queue entry for this queue.
12041 * @entry count: The number of entries that this queue will handle.
12043 * This function allocates a queue structure and the DMAable memory used for
12044 * the host resident queue. This function must be called before creating the
12045 * queue on the HBA.
12047 struct lpfc_queue
*
12048 lpfc_sli4_queue_alloc(struct lpfc_hba
*phba
, uint32_t entry_size
,
12049 uint32_t entry_count
)
12051 struct lpfc_queue
*queue
;
12052 struct lpfc_dmabuf
*dmabuf
;
12053 int x
, total_qe_count
;
12055 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
12057 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
12058 hw_page_size
= SLI4_PAGE_SIZE
;
12060 queue
= kzalloc(sizeof(struct lpfc_queue
) +
12061 (sizeof(union sli4_qe
) * entry_count
), GFP_KERNEL
);
12064 queue
->page_count
= (ALIGN(entry_size
* entry_count
,
12065 hw_page_size
))/hw_page_size
;
12066 INIT_LIST_HEAD(&queue
->list
);
12067 INIT_LIST_HEAD(&queue
->page_list
);
12068 INIT_LIST_HEAD(&queue
->child_list
);
12069 for (x
= 0, total_qe_count
= 0; x
< queue
->page_count
; x
++) {
12070 dmabuf
= kzalloc(sizeof(struct lpfc_dmabuf
), GFP_KERNEL
);
12073 dmabuf
->virt
= dma_alloc_coherent(&phba
->pcidev
->dev
,
12074 hw_page_size
, &dmabuf
->phys
,
12076 if (!dmabuf
->virt
) {
12080 memset(dmabuf
->virt
, 0, hw_page_size
);
12081 dmabuf
->buffer_tag
= x
;
12082 list_add_tail(&dmabuf
->list
, &queue
->page_list
);
12083 /* initialize queue's entry array */
12084 dma_pointer
= dmabuf
->virt
;
12085 for (; total_qe_count
< entry_count
&&
12086 dma_pointer
< (hw_page_size
+ dmabuf
->virt
);
12087 total_qe_count
++, dma_pointer
+= entry_size
) {
12088 queue
->qe
[total_qe_count
].address
= dma_pointer
;
12091 queue
->entry_size
= entry_size
;
12092 queue
->entry_count
= entry_count
;
12095 * entry_repost is calculated based on the number of entries in the
12096 * queue. This works out except for RQs. If buffers are NOT initially
12097 * posted for every RQE, entry_repost should be adjusted accordingly.
12099 queue
->entry_repost
= (entry_count
>> 3);
12100 if (queue
->entry_repost
< LPFC_QUEUE_MIN_REPOST
)
12101 queue
->entry_repost
= LPFC_QUEUE_MIN_REPOST
;
12102 queue
->phba
= phba
;
12106 lpfc_sli4_queue_free(queue
);
12111 * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory
12112 * @phba: HBA structure that indicates port to create a queue on.
12113 * @pci_barset: PCI BAR set flag.
12115 * This function shall perform iomap of the specified PCI BAR address to host
12116 * memory address if not already done so and return it. The returned host
12117 * memory address can be NULL.
12119 static void __iomem
*
12120 lpfc_dual_chute_pci_bar_map(struct lpfc_hba
*phba
, uint16_t pci_barset
)
12122 struct pci_dev
*pdev
;
12123 unsigned long bar_map
, bar_map_len
;
12128 pdev
= phba
->pcidev
;
12130 switch (pci_barset
) {
12131 case WQ_PCI_BAR_0_AND_1
:
12132 if (!phba
->pci_bar0_memmap_p
) {
12133 bar_map
= pci_resource_start(pdev
, PCI_64BIT_BAR0
);
12134 bar_map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR0
);
12135 phba
->pci_bar0_memmap_p
= ioremap(bar_map
, bar_map_len
);
12137 return phba
->pci_bar0_memmap_p
;
12138 case WQ_PCI_BAR_2_AND_3
:
12139 if (!phba
->pci_bar2_memmap_p
) {
12140 bar_map
= pci_resource_start(pdev
, PCI_64BIT_BAR2
);
12141 bar_map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR2
);
12142 phba
->pci_bar2_memmap_p
= ioremap(bar_map
, bar_map_len
);
12144 return phba
->pci_bar2_memmap_p
;
12145 case WQ_PCI_BAR_4_AND_5
:
12146 if (!phba
->pci_bar4_memmap_p
) {
12147 bar_map
= pci_resource_start(pdev
, PCI_64BIT_BAR4
);
12148 bar_map_len
= pci_resource_len(pdev
, PCI_64BIT_BAR4
);
12149 phba
->pci_bar4_memmap_p
= ioremap(bar_map
, bar_map_len
);
12151 return phba
->pci_bar4_memmap_p
;
12159 * lpfc_modify_fcp_eq_delay - Modify Delay Multiplier on FCP EQs
12160 * @phba: HBA structure that indicates port to create a queue on.
12161 * @startq: The starting FCP EQ to modify
12163 * This function sends an MODIFY_EQ_DELAY mailbox command to the HBA.
12165 * The @phba struct is used to send mailbox command to HBA. The @startq
12166 * is used to get the starting FCP EQ to change.
12167 * This function is asynchronous and will wait for the mailbox
12168 * command to finish before continuing.
12170 * On success this function will return a zero. If unable to allocate enough
12171 * memory this function will return -ENOMEM. If the queue create mailbox command
12172 * fails this function will return -ENXIO.
12175 lpfc_modify_fcp_eq_delay(struct lpfc_hba
*phba
, uint16_t startq
)
12177 struct lpfc_mbx_modify_eq_delay
*eq_delay
;
12178 LPFC_MBOXQ_t
*mbox
;
12179 struct lpfc_queue
*eq
;
12180 int cnt
, rc
, length
, status
= 0;
12181 uint32_t shdr_status
, shdr_add_status
;
12184 union lpfc_sli4_cfg_shdr
*shdr
;
12187 if (startq
>= phba
->cfg_fcp_io_channel
)
12190 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12193 length
= (sizeof(struct lpfc_mbx_modify_eq_delay
) -
12194 sizeof(struct lpfc_sli4_cfg_mhdr
));
12195 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12196 LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY
,
12197 length
, LPFC_SLI4_MBX_EMBED
);
12198 eq_delay
= &mbox
->u
.mqe
.un
.eq_delay
;
12200 /* Calculate delay multiper from maximum interrupt per second */
12201 result
= phba
->cfg_fcp_imax
/ phba
->cfg_fcp_io_channel
;
12202 if (result
> LPFC_DMULT_CONST
)
12205 dmult
= LPFC_DMULT_CONST
/result
- 1;
12208 for (fcp_eqidx
= startq
; fcp_eqidx
< phba
->cfg_fcp_io_channel
;
12210 eq
= phba
->sli4_hba
.hba_eq
[fcp_eqidx
];
12213 eq_delay
->u
.request
.eq
[cnt
].eq_id
= eq
->queue_id
;
12214 eq_delay
->u
.request
.eq
[cnt
].phase
= 0;
12215 eq_delay
->u
.request
.eq
[cnt
].delay_multi
= dmult
;
12217 if (cnt
>= LPFC_MAX_EQ_DELAY
)
12220 eq_delay
->u
.request
.num_eq
= cnt
;
12222 mbox
->vport
= phba
->pport
;
12223 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
12224 mbox
->context1
= NULL
;
12225 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12226 shdr
= (union lpfc_sli4_cfg_shdr
*) &eq_delay
->header
.cfg_shdr
;
12227 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12228 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12229 if (shdr_status
|| shdr_add_status
|| rc
) {
12230 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12231 "2512 MODIFY_EQ_DELAY mailbox failed with "
12232 "status x%x add_status x%x, mbx status x%x\n",
12233 shdr_status
, shdr_add_status
, rc
);
12236 mempool_free(mbox
, phba
->mbox_mem_pool
);
12241 * lpfc_eq_create - Create an Event Queue on the HBA
12242 * @phba: HBA structure that indicates port to create a queue on.
12243 * @eq: The queue structure to use to create the event queue.
12244 * @imax: The maximum interrupt per second limit.
12246 * This function creates an event queue, as detailed in @eq, on a port,
12247 * described by @phba by sending an EQ_CREATE mailbox command to the HBA.
12249 * The @phba struct is used to send mailbox command to HBA. The @eq struct
12250 * is used to get the entry count and entry size that are necessary to
12251 * determine the number of pages to allocate and use for this queue. This
12252 * function will send the EQ_CREATE mailbox command to the HBA to setup the
12253 * event queue. This function is asynchronous and will wait for the mailbox
12254 * command to finish before continuing.
12256 * On success this function will return a zero. If unable to allocate enough
12257 * memory this function will return -ENOMEM. If the queue create mailbox command
12258 * fails this function will return -ENXIO.
12261 lpfc_eq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
, uint32_t imax
)
12263 struct lpfc_mbx_eq_create
*eq_create
;
12264 LPFC_MBOXQ_t
*mbox
;
12265 int rc
, length
, status
= 0;
12266 struct lpfc_dmabuf
*dmabuf
;
12267 uint32_t shdr_status
, shdr_add_status
;
12268 union lpfc_sli4_cfg_shdr
*shdr
;
12270 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
12272 /* sanity check on queue memory */
12275 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
12276 hw_page_size
= SLI4_PAGE_SIZE
;
12278 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12281 length
= (sizeof(struct lpfc_mbx_eq_create
) -
12282 sizeof(struct lpfc_sli4_cfg_mhdr
));
12283 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12284 LPFC_MBOX_OPCODE_EQ_CREATE
,
12285 length
, LPFC_SLI4_MBX_EMBED
);
12286 eq_create
= &mbox
->u
.mqe
.un
.eq_create
;
12287 bf_set(lpfc_mbx_eq_create_num_pages
, &eq_create
->u
.request
,
12289 bf_set(lpfc_eq_context_size
, &eq_create
->u
.request
.context
,
12291 bf_set(lpfc_eq_context_valid
, &eq_create
->u
.request
.context
, 1);
12292 /* Calculate delay multiper from maximum interrupt per second */
12293 if (imax
> LPFC_DMULT_CONST
)
12296 dmult
= LPFC_DMULT_CONST
/imax
- 1;
12297 bf_set(lpfc_eq_context_delay_multi
, &eq_create
->u
.request
.context
,
12299 switch (eq
->entry_count
) {
12301 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12302 "0360 Unsupported EQ count. (%d)\n",
12304 if (eq
->entry_count
< 256)
12306 /* otherwise default to smallest count (drop through) */
12308 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
12312 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
12316 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
12320 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
12324 bf_set(lpfc_eq_context_count
, &eq_create
->u
.request
.context
,
12328 list_for_each_entry(dmabuf
, &eq
->page_list
, list
) {
12329 memset(dmabuf
->virt
, 0, hw_page_size
);
12330 eq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
12331 putPaddrLow(dmabuf
->phys
);
12332 eq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
12333 putPaddrHigh(dmabuf
->phys
);
12335 mbox
->vport
= phba
->pport
;
12336 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
12337 mbox
->context1
= NULL
;
12338 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12339 shdr
= (union lpfc_sli4_cfg_shdr
*) &eq_create
->header
.cfg_shdr
;
12340 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12341 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12342 if (shdr_status
|| shdr_add_status
|| rc
) {
12343 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12344 "2500 EQ_CREATE mailbox failed with "
12345 "status x%x add_status x%x, mbx status x%x\n",
12346 shdr_status
, shdr_add_status
, rc
);
12349 eq
->type
= LPFC_EQ
;
12350 eq
->subtype
= LPFC_NONE
;
12351 eq
->queue_id
= bf_get(lpfc_mbx_eq_create_q_id
, &eq_create
->u
.response
);
12352 if (eq
->queue_id
== 0xFFFF)
12354 eq
->host_index
= 0;
12357 mempool_free(mbox
, phba
->mbox_mem_pool
);
12362 * lpfc_cq_create - Create a Completion Queue on the HBA
12363 * @phba: HBA structure that indicates port to create a queue on.
12364 * @cq: The queue structure to use to create the completion queue.
12365 * @eq: The event queue to bind this completion queue to.
12367 * This function creates a completion queue, as detailed in @wq, on a port,
12368 * described by @phba by sending a CQ_CREATE mailbox command to the HBA.
12370 * The @phba struct is used to send mailbox command to HBA. The @cq struct
12371 * is used to get the entry count and entry size that are necessary to
12372 * determine the number of pages to allocate and use for this queue. The @eq
12373 * is used to indicate which event queue to bind this completion queue to. This
12374 * function will send the CQ_CREATE mailbox command to the HBA to setup the
12375 * completion queue. This function is asynchronous and will wait for the mailbox
12376 * command to finish before continuing.
12378 * On success this function will return a zero. If unable to allocate enough
12379 * memory this function will return -ENOMEM. If the queue create mailbox command
12380 * fails this function will return -ENXIO.
12383 lpfc_cq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
,
12384 struct lpfc_queue
*eq
, uint32_t type
, uint32_t subtype
)
12386 struct lpfc_mbx_cq_create
*cq_create
;
12387 struct lpfc_dmabuf
*dmabuf
;
12388 LPFC_MBOXQ_t
*mbox
;
12389 int rc
, length
, status
= 0;
12390 uint32_t shdr_status
, shdr_add_status
;
12391 union lpfc_sli4_cfg_shdr
*shdr
;
12392 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
12394 /* sanity check on queue memory */
12397 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
12398 hw_page_size
= SLI4_PAGE_SIZE
;
12400 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12403 length
= (sizeof(struct lpfc_mbx_cq_create
) -
12404 sizeof(struct lpfc_sli4_cfg_mhdr
));
12405 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12406 LPFC_MBOX_OPCODE_CQ_CREATE
,
12407 length
, LPFC_SLI4_MBX_EMBED
);
12408 cq_create
= &mbox
->u
.mqe
.un
.cq_create
;
12409 shdr
= (union lpfc_sli4_cfg_shdr
*) &cq_create
->header
.cfg_shdr
;
12410 bf_set(lpfc_mbx_cq_create_num_pages
, &cq_create
->u
.request
,
12412 bf_set(lpfc_cq_context_event
, &cq_create
->u
.request
.context
, 1);
12413 bf_set(lpfc_cq_context_valid
, &cq_create
->u
.request
.context
, 1);
12414 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
12415 phba
->sli4_hba
.pc_sli4_params
.cqv
);
12416 if (phba
->sli4_hba
.pc_sli4_params
.cqv
== LPFC_Q_CREATE_VERSION_2
) {
12417 /* FW only supports 1. Should be PAGE_SIZE/SLI4_PAGE_SIZE */
12418 bf_set(lpfc_mbx_cq_create_page_size
, &cq_create
->u
.request
, 1);
12419 bf_set(lpfc_cq_eq_id_2
, &cq_create
->u
.request
.context
,
12422 bf_set(lpfc_cq_eq_id
, &cq_create
->u
.request
.context
,
12425 switch (cq
->entry_count
) {
12427 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12428 "0361 Unsupported CQ count. (%d)\n",
12430 if (cq
->entry_count
< 256) {
12434 /* otherwise default to smallest count (drop through) */
12436 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
12440 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
12444 bf_set(lpfc_cq_context_count
, &cq_create
->u
.request
.context
,
12448 list_for_each_entry(dmabuf
, &cq
->page_list
, list
) {
12449 memset(dmabuf
->virt
, 0, hw_page_size
);
12450 cq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
12451 putPaddrLow(dmabuf
->phys
);
12452 cq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
12453 putPaddrHigh(dmabuf
->phys
);
12455 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12457 /* The IOCTL status is embedded in the mailbox subheader. */
12458 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12459 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12460 if (shdr_status
|| shdr_add_status
|| rc
) {
12461 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12462 "2501 CQ_CREATE mailbox failed with "
12463 "status x%x add_status x%x, mbx status x%x\n",
12464 shdr_status
, shdr_add_status
, rc
);
12468 cq
->queue_id
= bf_get(lpfc_mbx_cq_create_q_id
, &cq_create
->u
.response
);
12469 if (cq
->queue_id
== 0xFFFF) {
12473 /* link the cq onto the parent eq child list */
12474 list_add_tail(&cq
->list
, &eq
->child_list
);
12475 /* Set up completion queue's type and subtype */
12477 cq
->subtype
= subtype
;
12478 cq
->queue_id
= bf_get(lpfc_mbx_cq_create_q_id
, &cq_create
->u
.response
);
12479 cq
->assoc_qid
= eq
->queue_id
;
12480 cq
->host_index
= 0;
12484 mempool_free(mbox
, phba
->mbox_mem_pool
);
12489 * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration
12490 * @phba: HBA structure that indicates port to create a queue on.
12491 * @mq: The queue structure to use to create the mailbox queue.
12492 * @mbox: An allocated pointer to type LPFC_MBOXQ_t
12493 * @cq: The completion queue to associate with this cq.
12495 * This function provides failback (fb) functionality when the
12496 * mq_create_ext fails on older FW generations. It's purpose is identical
12497 * to mq_create_ext otherwise.
12499 * This routine cannot fail as all attributes were previously accessed and
12500 * initialized in mq_create_ext.
12503 lpfc_mq_create_fb_init(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
,
12504 LPFC_MBOXQ_t
*mbox
, struct lpfc_queue
*cq
)
12506 struct lpfc_mbx_mq_create
*mq_create
;
12507 struct lpfc_dmabuf
*dmabuf
;
12510 length
= (sizeof(struct lpfc_mbx_mq_create
) -
12511 sizeof(struct lpfc_sli4_cfg_mhdr
));
12512 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12513 LPFC_MBOX_OPCODE_MQ_CREATE
,
12514 length
, LPFC_SLI4_MBX_EMBED
);
12515 mq_create
= &mbox
->u
.mqe
.un
.mq_create
;
12516 bf_set(lpfc_mbx_mq_create_num_pages
, &mq_create
->u
.request
,
12518 bf_set(lpfc_mq_context_cq_id
, &mq_create
->u
.request
.context
,
12520 bf_set(lpfc_mq_context_valid
, &mq_create
->u
.request
.context
, 1);
12521 switch (mq
->entry_count
) {
12523 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
12524 LPFC_MQ_RING_SIZE_16
);
12527 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
12528 LPFC_MQ_RING_SIZE_32
);
12531 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
12532 LPFC_MQ_RING_SIZE_64
);
12535 bf_set(lpfc_mq_context_ring_size
, &mq_create
->u
.request
.context
,
12536 LPFC_MQ_RING_SIZE_128
);
12539 list_for_each_entry(dmabuf
, &mq
->page_list
, list
) {
12540 mq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
12541 putPaddrLow(dmabuf
->phys
);
12542 mq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
12543 putPaddrHigh(dmabuf
->phys
);
12548 * lpfc_mq_create - Create a mailbox Queue on the HBA
12549 * @phba: HBA structure that indicates port to create a queue on.
12550 * @mq: The queue structure to use to create the mailbox queue.
12551 * @cq: The completion queue to associate with this cq.
12552 * @subtype: The queue's subtype.
12554 * This function creates a mailbox queue, as detailed in @mq, on a port,
12555 * described by @phba by sending a MQ_CREATE mailbox command to the HBA.
12557 * The @phba struct is used to send mailbox command to HBA. The @cq struct
12558 * is used to get the entry count and entry size that are necessary to
12559 * determine the number of pages to allocate and use for this queue. This
12560 * function will send the MQ_CREATE mailbox command to the HBA to setup the
12561 * mailbox queue. This function is asynchronous and will wait for the mailbox
12562 * command to finish before continuing.
12564 * On success this function will return a zero. If unable to allocate enough
12565 * memory this function will return -ENOMEM. If the queue create mailbox command
12566 * fails this function will return -ENXIO.
12569 lpfc_mq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
,
12570 struct lpfc_queue
*cq
, uint32_t subtype
)
12572 struct lpfc_mbx_mq_create
*mq_create
;
12573 struct lpfc_mbx_mq_create_ext
*mq_create_ext
;
12574 struct lpfc_dmabuf
*dmabuf
;
12575 LPFC_MBOXQ_t
*mbox
;
12576 int rc
, length
, status
= 0;
12577 uint32_t shdr_status
, shdr_add_status
;
12578 union lpfc_sli4_cfg_shdr
*shdr
;
12579 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
12581 /* sanity check on queue memory */
12584 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
12585 hw_page_size
= SLI4_PAGE_SIZE
;
12587 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12590 length
= (sizeof(struct lpfc_mbx_mq_create_ext
) -
12591 sizeof(struct lpfc_sli4_cfg_mhdr
));
12592 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
12593 LPFC_MBOX_OPCODE_MQ_CREATE_EXT
,
12594 length
, LPFC_SLI4_MBX_EMBED
);
12596 mq_create_ext
= &mbox
->u
.mqe
.un
.mq_create_ext
;
12597 shdr
= (union lpfc_sli4_cfg_shdr
*) &mq_create_ext
->header
.cfg_shdr
;
12598 bf_set(lpfc_mbx_mq_create_ext_num_pages
,
12599 &mq_create_ext
->u
.request
, mq
->page_count
);
12600 bf_set(lpfc_mbx_mq_create_ext_async_evt_link
,
12601 &mq_create_ext
->u
.request
, 1);
12602 bf_set(lpfc_mbx_mq_create_ext_async_evt_fip
,
12603 &mq_create_ext
->u
.request
, 1);
12604 bf_set(lpfc_mbx_mq_create_ext_async_evt_group5
,
12605 &mq_create_ext
->u
.request
, 1);
12606 bf_set(lpfc_mbx_mq_create_ext_async_evt_fc
,
12607 &mq_create_ext
->u
.request
, 1);
12608 bf_set(lpfc_mbx_mq_create_ext_async_evt_sli
,
12609 &mq_create_ext
->u
.request
, 1);
12610 bf_set(lpfc_mq_context_valid
, &mq_create_ext
->u
.request
.context
, 1);
12611 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
12612 phba
->sli4_hba
.pc_sli4_params
.mqv
);
12613 if (phba
->sli4_hba
.pc_sli4_params
.mqv
== LPFC_Q_CREATE_VERSION_1
)
12614 bf_set(lpfc_mbx_mq_create_ext_cq_id
, &mq_create_ext
->u
.request
,
12617 bf_set(lpfc_mq_context_cq_id
, &mq_create_ext
->u
.request
.context
,
12619 switch (mq
->entry_count
) {
12621 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12622 "0362 Unsupported MQ count. (%d)\n",
12624 if (mq
->entry_count
< 16) {
12628 /* otherwise default to smallest count (drop through) */
12630 bf_set(lpfc_mq_context_ring_size
,
12631 &mq_create_ext
->u
.request
.context
,
12632 LPFC_MQ_RING_SIZE_16
);
12635 bf_set(lpfc_mq_context_ring_size
,
12636 &mq_create_ext
->u
.request
.context
,
12637 LPFC_MQ_RING_SIZE_32
);
12640 bf_set(lpfc_mq_context_ring_size
,
12641 &mq_create_ext
->u
.request
.context
,
12642 LPFC_MQ_RING_SIZE_64
);
12645 bf_set(lpfc_mq_context_ring_size
,
12646 &mq_create_ext
->u
.request
.context
,
12647 LPFC_MQ_RING_SIZE_128
);
12650 list_for_each_entry(dmabuf
, &mq
->page_list
, list
) {
12651 memset(dmabuf
->virt
, 0, hw_page_size
);
12652 mq_create_ext
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
12653 putPaddrLow(dmabuf
->phys
);
12654 mq_create_ext
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
12655 putPaddrHigh(dmabuf
->phys
);
12657 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12658 mq
->queue_id
= bf_get(lpfc_mbx_mq_create_q_id
,
12659 &mq_create_ext
->u
.response
);
12660 if (rc
!= MBX_SUCCESS
) {
12661 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
12662 "2795 MQ_CREATE_EXT failed with "
12663 "status x%x. Failback to MQ_CREATE.\n",
12665 lpfc_mq_create_fb_init(phba
, mq
, mbox
, cq
);
12666 mq_create
= &mbox
->u
.mqe
.un
.mq_create
;
12667 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12668 shdr
= (union lpfc_sli4_cfg_shdr
*) &mq_create
->header
.cfg_shdr
;
12669 mq
->queue_id
= bf_get(lpfc_mbx_mq_create_q_id
,
12670 &mq_create
->u
.response
);
12673 /* The IOCTL status is embedded in the mailbox subheader. */
12674 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12675 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12676 if (shdr_status
|| shdr_add_status
|| rc
) {
12677 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12678 "2502 MQ_CREATE mailbox failed with "
12679 "status x%x add_status x%x, mbx status x%x\n",
12680 shdr_status
, shdr_add_status
, rc
);
12684 if (mq
->queue_id
== 0xFFFF) {
12688 mq
->type
= LPFC_MQ
;
12689 mq
->assoc_qid
= cq
->queue_id
;
12690 mq
->subtype
= subtype
;
12691 mq
->host_index
= 0;
12694 /* link the mq onto the parent cq child list */
12695 list_add_tail(&mq
->list
, &cq
->child_list
);
12697 mempool_free(mbox
, phba
->mbox_mem_pool
);
12702 * lpfc_wq_create - Create a Work Queue on the HBA
12703 * @phba: HBA structure that indicates port to create a queue on.
12704 * @wq: The queue structure to use to create the work queue.
12705 * @cq: The completion queue to bind this work queue to.
12706 * @subtype: The subtype of the work queue indicating its functionality.
12708 * This function creates a work queue, as detailed in @wq, on a port, described
12709 * by @phba by sending a WQ_CREATE mailbox command to the HBA.
12711 * The @phba struct is used to send mailbox command to HBA. The @wq struct
12712 * is used to get the entry count and entry size that are necessary to
12713 * determine the number of pages to allocate and use for this queue. The @cq
12714 * is used to indicate which completion queue to bind this work queue to. This
12715 * function will send the WQ_CREATE mailbox command to the HBA to setup the
12716 * work queue. This function is asynchronous and will wait for the mailbox
12717 * command to finish before continuing.
12719 * On success this function will return a zero. If unable to allocate enough
12720 * memory this function will return -ENOMEM. If the queue create mailbox command
12721 * fails this function will return -ENXIO.
12724 lpfc_wq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*wq
,
12725 struct lpfc_queue
*cq
, uint32_t subtype
)
12727 struct lpfc_mbx_wq_create
*wq_create
;
12728 struct lpfc_dmabuf
*dmabuf
;
12729 LPFC_MBOXQ_t
*mbox
;
12730 int rc
, length
, status
= 0;
12731 uint32_t shdr_status
, shdr_add_status
;
12732 union lpfc_sli4_cfg_shdr
*shdr
;
12733 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
12734 struct dma_address
*page
;
12735 void __iomem
*bar_memmap_p
;
12736 uint32_t db_offset
;
12737 uint16_t pci_barset
;
12739 /* sanity check on queue memory */
12742 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
12743 hw_page_size
= SLI4_PAGE_SIZE
;
12745 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12748 length
= (sizeof(struct lpfc_mbx_wq_create
) -
12749 sizeof(struct lpfc_sli4_cfg_mhdr
));
12750 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12751 LPFC_MBOX_OPCODE_FCOE_WQ_CREATE
,
12752 length
, LPFC_SLI4_MBX_EMBED
);
12753 wq_create
= &mbox
->u
.mqe
.un
.wq_create
;
12754 shdr
= (union lpfc_sli4_cfg_shdr
*) &wq_create
->header
.cfg_shdr
;
12755 bf_set(lpfc_mbx_wq_create_num_pages
, &wq_create
->u
.request
,
12757 bf_set(lpfc_mbx_wq_create_cq_id
, &wq_create
->u
.request
,
12759 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
12760 phba
->sli4_hba
.pc_sli4_params
.wqv
);
12762 if (phba
->sli4_hba
.pc_sli4_params
.wqv
== LPFC_Q_CREATE_VERSION_1
) {
12763 bf_set(lpfc_mbx_wq_create_wqe_count
, &wq_create
->u
.request_1
,
12765 switch (wq
->entry_size
) {
12768 bf_set(lpfc_mbx_wq_create_wqe_size
,
12769 &wq_create
->u
.request_1
,
12770 LPFC_WQ_WQE_SIZE_64
);
12773 bf_set(lpfc_mbx_wq_create_wqe_size
,
12774 &wq_create
->u
.request_1
,
12775 LPFC_WQ_WQE_SIZE_128
);
12778 bf_set(lpfc_mbx_wq_create_page_size
, &wq_create
->u
.request_1
,
12779 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
12780 page
= wq_create
->u
.request_1
.page
;
12782 page
= wq_create
->u
.request
.page
;
12784 list_for_each_entry(dmabuf
, &wq
->page_list
, list
) {
12785 memset(dmabuf
->virt
, 0, hw_page_size
);
12786 page
[dmabuf
->buffer_tag
].addr_lo
= putPaddrLow(dmabuf
->phys
);
12787 page
[dmabuf
->buffer_tag
].addr_hi
= putPaddrHigh(dmabuf
->phys
);
12790 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
)
12791 bf_set(lpfc_mbx_wq_create_dua
, &wq_create
->u
.request
, 1);
12793 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
12794 /* The IOCTL status is embedded in the mailbox subheader. */
12795 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
12796 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
12797 if (shdr_status
|| shdr_add_status
|| rc
) {
12798 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12799 "2503 WQ_CREATE mailbox failed with "
12800 "status x%x add_status x%x, mbx status x%x\n",
12801 shdr_status
, shdr_add_status
, rc
);
12805 wq
->queue_id
= bf_get(lpfc_mbx_wq_create_q_id
, &wq_create
->u
.response
);
12806 if (wq
->queue_id
== 0xFFFF) {
12810 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
) {
12811 wq
->db_format
= bf_get(lpfc_mbx_wq_create_db_format
,
12812 &wq_create
->u
.response
);
12813 if ((wq
->db_format
!= LPFC_DB_LIST_FORMAT
) &&
12814 (wq
->db_format
!= LPFC_DB_RING_FORMAT
)) {
12815 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12816 "3265 WQ[%d] doorbell format not "
12817 "supported: x%x\n", wq
->queue_id
,
12822 pci_barset
= bf_get(lpfc_mbx_wq_create_bar_set
,
12823 &wq_create
->u
.response
);
12824 bar_memmap_p
= lpfc_dual_chute_pci_bar_map(phba
, pci_barset
);
12825 if (!bar_memmap_p
) {
12826 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12827 "3263 WQ[%d] failed to memmap pci "
12828 "barset:x%x\n", wq
->queue_id
,
12833 db_offset
= wq_create
->u
.response
.doorbell_offset
;
12834 if ((db_offset
!= LPFC_ULP0_WQ_DOORBELL
) &&
12835 (db_offset
!= LPFC_ULP1_WQ_DOORBELL
)) {
12836 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
12837 "3252 WQ[%d] doorbell offset not "
12838 "supported: x%x\n", wq
->queue_id
,
12843 wq
->db_regaddr
= bar_memmap_p
+ db_offset
;
12844 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
12845 "3264 WQ[%d]: barset:x%x, offset:x%x\n",
12846 wq
->queue_id
, pci_barset
, db_offset
);
12848 wq
->db_format
= LPFC_DB_LIST_FORMAT
;
12849 wq
->db_regaddr
= phba
->sli4_hba
.WQDBregaddr
;
12851 wq
->type
= LPFC_WQ
;
12852 wq
->assoc_qid
= cq
->queue_id
;
12853 wq
->subtype
= subtype
;
12854 wq
->host_index
= 0;
12856 wq
->entry_repost
= LPFC_RELEASE_NOTIFICATION_INTERVAL
;
12858 /* link the wq onto the parent cq child list */
12859 list_add_tail(&wq
->list
, &cq
->child_list
);
12861 mempool_free(mbox
, phba
->mbox_mem_pool
);
12866 * lpfc_rq_adjust_repost - Adjust entry_repost for an RQ
12867 * @phba: HBA structure that indicates port to create a queue on.
12868 * @rq: The queue structure to use for the receive queue.
12869 * @qno: The associated HBQ number
12872 * For SLI4 we need to adjust the RQ repost value based on
12873 * the number of buffers that are initially posted to the RQ.
12876 lpfc_rq_adjust_repost(struct lpfc_hba
*phba
, struct lpfc_queue
*rq
, int qno
)
12880 /* sanity check on queue memory */
12883 cnt
= lpfc_hbq_defs
[qno
]->entry_count
;
12885 /* Recalc repost for RQs based on buffers initially posted */
12887 if (cnt
< LPFC_QUEUE_MIN_REPOST
)
12888 cnt
= LPFC_QUEUE_MIN_REPOST
;
12890 rq
->entry_repost
= cnt
;
12894 * lpfc_rq_create - Create a Receive Queue on the HBA
12895 * @phba: HBA structure that indicates port to create a queue on.
12896 * @hrq: The queue structure to use to create the header receive queue.
12897 * @drq: The queue structure to use to create the data receive queue.
12898 * @cq: The completion queue to bind this work queue to.
12900 * This function creates a receive buffer queue pair , as detailed in @hrq and
12901 * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command
12904 * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq
12905 * struct is used to get the entry count that is necessary to determine the
12906 * number of pages to use for this queue. The @cq is used to indicate which
12907 * completion queue to bind received buffers that are posted to these queues to.
12908 * This function will send the RQ_CREATE mailbox command to the HBA to setup the
12909 * receive queue pair. This function is asynchronous and will wait for the
12910 * mailbox command to finish before continuing.
12912 * On success this function will return a zero. If unable to allocate enough
12913 * memory this function will return -ENOMEM. If the queue create mailbox command
12914 * fails this function will return -ENXIO.
12917 lpfc_rq_create(struct lpfc_hba
*phba
, struct lpfc_queue
*hrq
,
12918 struct lpfc_queue
*drq
, struct lpfc_queue
*cq
, uint32_t subtype
)
12920 struct lpfc_mbx_rq_create
*rq_create
;
12921 struct lpfc_dmabuf
*dmabuf
;
12922 LPFC_MBOXQ_t
*mbox
;
12923 int rc
, length
, status
= 0;
12924 uint32_t shdr_status
, shdr_add_status
;
12925 union lpfc_sli4_cfg_shdr
*shdr
;
12926 uint32_t hw_page_size
= phba
->sli4_hba
.pc_sli4_params
.if_page_sz
;
12927 void __iomem
*bar_memmap_p
;
12928 uint32_t db_offset
;
12929 uint16_t pci_barset
;
12931 /* sanity check on queue memory */
12932 if (!hrq
|| !drq
|| !cq
)
12934 if (!phba
->sli4_hba
.pc_sli4_params
.supported
)
12935 hw_page_size
= SLI4_PAGE_SIZE
;
12937 if (hrq
->entry_count
!= drq
->entry_count
)
12939 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
12942 length
= (sizeof(struct lpfc_mbx_rq_create
) -
12943 sizeof(struct lpfc_sli4_cfg_mhdr
));
12944 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
12945 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE
,
12946 length
, LPFC_SLI4_MBX_EMBED
);
12947 rq_create
= &mbox
->u
.mqe
.un
.rq_create
;
12948 shdr
= (union lpfc_sli4_cfg_shdr
*) &rq_create
->header
.cfg_shdr
;
12949 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
12950 phba
->sli4_hba
.pc_sli4_params
.rqv
);
12951 if (phba
->sli4_hba
.pc_sli4_params
.rqv
== LPFC_Q_CREATE_VERSION_1
) {
12952 bf_set(lpfc_rq_context_rqe_count_1
,
12953 &rq_create
->u
.request
.context
,
12955 rq_create
->u
.request
.context
.buffer_size
= LPFC_HDR_BUF_SIZE
;
12956 bf_set(lpfc_rq_context_rqe_size
,
12957 &rq_create
->u
.request
.context
,
12959 bf_set(lpfc_rq_context_page_size
,
12960 &rq_create
->u
.request
.context
,
12961 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
12963 switch (hrq
->entry_count
) {
12965 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
12966 "2535 Unsupported RQ count. (%d)\n",
12968 if (hrq
->entry_count
< 512) {
12972 /* otherwise default to smallest count (drop through) */
12974 bf_set(lpfc_rq_context_rqe_count
,
12975 &rq_create
->u
.request
.context
,
12976 LPFC_RQ_RING_SIZE_512
);
12979 bf_set(lpfc_rq_context_rqe_count
,
12980 &rq_create
->u
.request
.context
,
12981 LPFC_RQ_RING_SIZE_1024
);
12984 bf_set(lpfc_rq_context_rqe_count
,
12985 &rq_create
->u
.request
.context
,
12986 LPFC_RQ_RING_SIZE_2048
);
12989 bf_set(lpfc_rq_context_rqe_count
,
12990 &rq_create
->u
.request
.context
,
12991 LPFC_RQ_RING_SIZE_4096
);
12994 bf_set(lpfc_rq_context_buf_size
, &rq_create
->u
.request
.context
,
12995 LPFC_HDR_BUF_SIZE
);
12997 bf_set(lpfc_rq_context_cq_id
, &rq_create
->u
.request
.context
,
12999 bf_set(lpfc_mbx_rq_create_num_pages
, &rq_create
->u
.request
,
13001 list_for_each_entry(dmabuf
, &hrq
->page_list
, list
) {
13002 memset(dmabuf
->virt
, 0, hw_page_size
);
13003 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
13004 putPaddrLow(dmabuf
->phys
);
13005 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
13006 putPaddrHigh(dmabuf
->phys
);
13008 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
)
13009 bf_set(lpfc_mbx_rq_create_dua
, &rq_create
->u
.request
, 1);
13011 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13012 /* The IOCTL status is embedded in the mailbox subheader. */
13013 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13014 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13015 if (shdr_status
|| shdr_add_status
|| rc
) {
13016 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13017 "2504 RQ_CREATE mailbox failed with "
13018 "status x%x add_status x%x, mbx status x%x\n",
13019 shdr_status
, shdr_add_status
, rc
);
13023 hrq
->queue_id
= bf_get(lpfc_mbx_rq_create_q_id
, &rq_create
->u
.response
);
13024 if (hrq
->queue_id
== 0xFFFF) {
13029 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
) {
13030 hrq
->db_format
= bf_get(lpfc_mbx_rq_create_db_format
,
13031 &rq_create
->u
.response
);
13032 if ((hrq
->db_format
!= LPFC_DB_LIST_FORMAT
) &&
13033 (hrq
->db_format
!= LPFC_DB_RING_FORMAT
)) {
13034 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13035 "3262 RQ [%d] doorbell format not "
13036 "supported: x%x\n", hrq
->queue_id
,
13042 pci_barset
= bf_get(lpfc_mbx_rq_create_bar_set
,
13043 &rq_create
->u
.response
);
13044 bar_memmap_p
= lpfc_dual_chute_pci_bar_map(phba
, pci_barset
);
13045 if (!bar_memmap_p
) {
13046 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13047 "3269 RQ[%d] failed to memmap pci "
13048 "barset:x%x\n", hrq
->queue_id
,
13054 db_offset
= rq_create
->u
.response
.doorbell_offset
;
13055 if ((db_offset
!= LPFC_ULP0_RQ_DOORBELL
) &&
13056 (db_offset
!= LPFC_ULP1_RQ_DOORBELL
)) {
13057 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13058 "3270 RQ[%d] doorbell offset not "
13059 "supported: x%x\n", hrq
->queue_id
,
13064 hrq
->db_regaddr
= bar_memmap_p
+ db_offset
;
13065 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
13066 "3266 RQ[qid:%d]: barset:x%x, offset:x%x\n",
13067 hrq
->queue_id
, pci_barset
, db_offset
);
13069 hrq
->db_format
= LPFC_DB_RING_FORMAT
;
13070 hrq
->db_regaddr
= phba
->sli4_hba
.RQDBregaddr
;
13072 hrq
->type
= LPFC_HRQ
;
13073 hrq
->assoc_qid
= cq
->queue_id
;
13074 hrq
->subtype
= subtype
;
13075 hrq
->host_index
= 0;
13076 hrq
->hba_index
= 0;
13078 /* now create the data queue */
13079 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
13080 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE
,
13081 length
, LPFC_SLI4_MBX_EMBED
);
13082 bf_set(lpfc_mbox_hdr_version
, &shdr
->request
,
13083 phba
->sli4_hba
.pc_sli4_params
.rqv
);
13084 if (phba
->sli4_hba
.pc_sli4_params
.rqv
== LPFC_Q_CREATE_VERSION_1
) {
13085 bf_set(lpfc_rq_context_rqe_count_1
,
13086 &rq_create
->u
.request
.context
, hrq
->entry_count
);
13087 rq_create
->u
.request
.context
.buffer_size
= LPFC_DATA_BUF_SIZE
;
13088 bf_set(lpfc_rq_context_rqe_size
, &rq_create
->u
.request
.context
,
13090 bf_set(lpfc_rq_context_page_size
, &rq_create
->u
.request
.context
,
13091 (PAGE_SIZE
/SLI4_PAGE_SIZE
));
13093 switch (drq
->entry_count
) {
13095 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13096 "2536 Unsupported RQ count. (%d)\n",
13098 if (drq
->entry_count
< 512) {
13102 /* otherwise default to smallest count (drop through) */
13104 bf_set(lpfc_rq_context_rqe_count
,
13105 &rq_create
->u
.request
.context
,
13106 LPFC_RQ_RING_SIZE_512
);
13109 bf_set(lpfc_rq_context_rqe_count
,
13110 &rq_create
->u
.request
.context
,
13111 LPFC_RQ_RING_SIZE_1024
);
13114 bf_set(lpfc_rq_context_rqe_count
,
13115 &rq_create
->u
.request
.context
,
13116 LPFC_RQ_RING_SIZE_2048
);
13119 bf_set(lpfc_rq_context_rqe_count
,
13120 &rq_create
->u
.request
.context
,
13121 LPFC_RQ_RING_SIZE_4096
);
13124 bf_set(lpfc_rq_context_buf_size
, &rq_create
->u
.request
.context
,
13125 LPFC_DATA_BUF_SIZE
);
13127 bf_set(lpfc_rq_context_cq_id
, &rq_create
->u
.request
.context
,
13129 bf_set(lpfc_mbx_rq_create_num_pages
, &rq_create
->u
.request
,
13131 list_for_each_entry(dmabuf
, &drq
->page_list
, list
) {
13132 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_lo
=
13133 putPaddrLow(dmabuf
->phys
);
13134 rq_create
->u
.request
.page
[dmabuf
->buffer_tag
].addr_hi
=
13135 putPaddrHigh(dmabuf
->phys
);
13137 if (phba
->sli4_hba
.fw_func_mode
& LPFC_DUA_MODE
)
13138 bf_set(lpfc_mbx_rq_create_dua
, &rq_create
->u
.request
, 1);
13139 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13140 /* The IOCTL status is embedded in the mailbox subheader. */
13141 shdr
= (union lpfc_sli4_cfg_shdr
*) &rq_create
->header
.cfg_shdr
;
13142 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13143 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13144 if (shdr_status
|| shdr_add_status
|| rc
) {
13148 drq
->queue_id
= bf_get(lpfc_mbx_rq_create_q_id
, &rq_create
->u
.response
);
13149 if (drq
->queue_id
== 0xFFFF) {
13153 drq
->type
= LPFC_DRQ
;
13154 drq
->assoc_qid
= cq
->queue_id
;
13155 drq
->subtype
= subtype
;
13156 drq
->host_index
= 0;
13157 drq
->hba_index
= 0;
13159 /* link the header and data RQs onto the parent cq child list */
13160 list_add_tail(&hrq
->list
, &cq
->child_list
);
13161 list_add_tail(&drq
->list
, &cq
->child_list
);
13164 mempool_free(mbox
, phba
->mbox_mem_pool
);
13169 * lpfc_eq_destroy - Destroy an event Queue on the HBA
13170 * @eq: The queue structure associated with the queue to destroy.
13172 * This function destroys a queue, as detailed in @eq by sending an mailbox
13173 * command, specific to the type of queue, to the HBA.
13175 * The @eq struct is used to get the queue ID of the queue to destroy.
13177 * On success this function will return a zero. If the queue destroy mailbox
13178 * command fails this function will return -ENXIO.
13181 lpfc_eq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*eq
)
13183 LPFC_MBOXQ_t
*mbox
;
13184 int rc
, length
, status
= 0;
13185 uint32_t shdr_status
, shdr_add_status
;
13186 union lpfc_sli4_cfg_shdr
*shdr
;
13188 /* sanity check on queue memory */
13191 mbox
= mempool_alloc(eq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
13194 length
= (sizeof(struct lpfc_mbx_eq_destroy
) -
13195 sizeof(struct lpfc_sli4_cfg_mhdr
));
13196 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
13197 LPFC_MBOX_OPCODE_EQ_DESTROY
,
13198 length
, LPFC_SLI4_MBX_EMBED
);
13199 bf_set(lpfc_mbx_eq_destroy_q_id
, &mbox
->u
.mqe
.un
.eq_destroy
.u
.request
,
13201 mbox
->vport
= eq
->phba
->pport
;
13202 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
13204 rc
= lpfc_sli_issue_mbox(eq
->phba
, mbox
, MBX_POLL
);
13205 /* The IOCTL status is embedded in the mailbox subheader. */
13206 shdr
= (union lpfc_sli4_cfg_shdr
*)
13207 &mbox
->u
.mqe
.un
.eq_destroy
.header
.cfg_shdr
;
13208 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13209 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13210 if (shdr_status
|| shdr_add_status
|| rc
) {
13211 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13212 "2505 EQ_DESTROY mailbox failed with "
13213 "status x%x add_status x%x, mbx status x%x\n",
13214 shdr_status
, shdr_add_status
, rc
);
13218 /* Remove eq from any list */
13219 list_del_init(&eq
->list
);
13220 mempool_free(mbox
, eq
->phba
->mbox_mem_pool
);
13225 * lpfc_cq_destroy - Destroy a Completion Queue on the HBA
13226 * @cq: The queue structure associated with the queue to destroy.
13228 * This function destroys a queue, as detailed in @cq by sending an mailbox
13229 * command, specific to the type of queue, to the HBA.
13231 * The @cq struct is used to get the queue ID of the queue to destroy.
13233 * On success this function will return a zero. If the queue destroy mailbox
13234 * command fails this function will return -ENXIO.
13237 lpfc_cq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*cq
)
13239 LPFC_MBOXQ_t
*mbox
;
13240 int rc
, length
, status
= 0;
13241 uint32_t shdr_status
, shdr_add_status
;
13242 union lpfc_sli4_cfg_shdr
*shdr
;
13244 /* sanity check on queue memory */
13247 mbox
= mempool_alloc(cq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
13250 length
= (sizeof(struct lpfc_mbx_cq_destroy
) -
13251 sizeof(struct lpfc_sli4_cfg_mhdr
));
13252 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
13253 LPFC_MBOX_OPCODE_CQ_DESTROY
,
13254 length
, LPFC_SLI4_MBX_EMBED
);
13255 bf_set(lpfc_mbx_cq_destroy_q_id
, &mbox
->u
.mqe
.un
.cq_destroy
.u
.request
,
13257 mbox
->vport
= cq
->phba
->pport
;
13258 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
13259 rc
= lpfc_sli_issue_mbox(cq
->phba
, mbox
, MBX_POLL
);
13260 /* The IOCTL status is embedded in the mailbox subheader. */
13261 shdr
= (union lpfc_sli4_cfg_shdr
*)
13262 &mbox
->u
.mqe
.un
.wq_create
.header
.cfg_shdr
;
13263 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13264 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13265 if (shdr_status
|| shdr_add_status
|| rc
) {
13266 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13267 "2506 CQ_DESTROY mailbox failed with "
13268 "status x%x add_status x%x, mbx status x%x\n",
13269 shdr_status
, shdr_add_status
, rc
);
13272 /* Remove cq from any list */
13273 list_del_init(&cq
->list
);
13274 mempool_free(mbox
, cq
->phba
->mbox_mem_pool
);
13279 * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA
13280 * @qm: The queue structure associated with the queue to destroy.
13282 * This function destroys a queue, as detailed in @mq by sending an mailbox
13283 * command, specific to the type of queue, to the HBA.
13285 * The @mq struct is used to get the queue ID of the queue to destroy.
13287 * On success this function will return a zero. If the queue destroy mailbox
13288 * command fails this function will return -ENXIO.
13291 lpfc_mq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*mq
)
13293 LPFC_MBOXQ_t
*mbox
;
13294 int rc
, length
, status
= 0;
13295 uint32_t shdr_status
, shdr_add_status
;
13296 union lpfc_sli4_cfg_shdr
*shdr
;
13298 /* sanity check on queue memory */
13301 mbox
= mempool_alloc(mq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
13304 length
= (sizeof(struct lpfc_mbx_mq_destroy
) -
13305 sizeof(struct lpfc_sli4_cfg_mhdr
));
13306 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
13307 LPFC_MBOX_OPCODE_MQ_DESTROY
,
13308 length
, LPFC_SLI4_MBX_EMBED
);
13309 bf_set(lpfc_mbx_mq_destroy_q_id
, &mbox
->u
.mqe
.un
.mq_destroy
.u
.request
,
13311 mbox
->vport
= mq
->phba
->pport
;
13312 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
13313 rc
= lpfc_sli_issue_mbox(mq
->phba
, mbox
, MBX_POLL
);
13314 /* The IOCTL status is embedded in the mailbox subheader. */
13315 shdr
= (union lpfc_sli4_cfg_shdr
*)
13316 &mbox
->u
.mqe
.un
.mq_destroy
.header
.cfg_shdr
;
13317 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13318 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13319 if (shdr_status
|| shdr_add_status
|| rc
) {
13320 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13321 "2507 MQ_DESTROY mailbox failed with "
13322 "status x%x add_status x%x, mbx status x%x\n",
13323 shdr_status
, shdr_add_status
, rc
);
13326 /* Remove mq from any list */
13327 list_del_init(&mq
->list
);
13328 mempool_free(mbox
, mq
->phba
->mbox_mem_pool
);
13333 * lpfc_wq_destroy - Destroy a Work Queue on the HBA
13334 * @wq: The queue structure associated with the queue to destroy.
13336 * This function destroys a queue, as detailed in @wq by sending an mailbox
13337 * command, specific to the type of queue, to the HBA.
13339 * The @wq struct is used to get the queue ID of the queue to destroy.
13341 * On success this function will return a zero. If the queue destroy mailbox
13342 * command fails this function will return -ENXIO.
13345 lpfc_wq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*wq
)
13347 LPFC_MBOXQ_t
*mbox
;
13348 int rc
, length
, status
= 0;
13349 uint32_t shdr_status
, shdr_add_status
;
13350 union lpfc_sli4_cfg_shdr
*shdr
;
13352 /* sanity check on queue memory */
13355 mbox
= mempool_alloc(wq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
13358 length
= (sizeof(struct lpfc_mbx_wq_destroy
) -
13359 sizeof(struct lpfc_sli4_cfg_mhdr
));
13360 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
13361 LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY
,
13362 length
, LPFC_SLI4_MBX_EMBED
);
13363 bf_set(lpfc_mbx_wq_destroy_q_id
, &mbox
->u
.mqe
.un
.wq_destroy
.u
.request
,
13365 mbox
->vport
= wq
->phba
->pport
;
13366 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
13367 rc
= lpfc_sli_issue_mbox(wq
->phba
, mbox
, MBX_POLL
);
13368 shdr
= (union lpfc_sli4_cfg_shdr
*)
13369 &mbox
->u
.mqe
.un
.wq_destroy
.header
.cfg_shdr
;
13370 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13371 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13372 if (shdr_status
|| shdr_add_status
|| rc
) {
13373 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13374 "2508 WQ_DESTROY mailbox failed with "
13375 "status x%x add_status x%x, mbx status x%x\n",
13376 shdr_status
, shdr_add_status
, rc
);
13379 /* Remove wq from any list */
13380 list_del_init(&wq
->list
);
13381 mempool_free(mbox
, wq
->phba
->mbox_mem_pool
);
13386 * lpfc_rq_destroy - Destroy a Receive Queue on the HBA
13387 * @rq: The queue structure associated with the queue to destroy.
13389 * This function destroys a queue, as detailed in @rq by sending an mailbox
13390 * command, specific to the type of queue, to the HBA.
13392 * The @rq struct is used to get the queue ID of the queue to destroy.
13394 * On success this function will return a zero. If the queue destroy mailbox
13395 * command fails this function will return -ENXIO.
13398 lpfc_rq_destroy(struct lpfc_hba
*phba
, struct lpfc_queue
*hrq
,
13399 struct lpfc_queue
*drq
)
13401 LPFC_MBOXQ_t
*mbox
;
13402 int rc
, length
, status
= 0;
13403 uint32_t shdr_status
, shdr_add_status
;
13404 union lpfc_sli4_cfg_shdr
*shdr
;
13406 /* sanity check on queue memory */
13409 mbox
= mempool_alloc(hrq
->phba
->mbox_mem_pool
, GFP_KERNEL
);
13412 length
= (sizeof(struct lpfc_mbx_rq_destroy
) -
13413 sizeof(struct lpfc_sli4_cfg_mhdr
));
13414 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
13415 LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY
,
13416 length
, LPFC_SLI4_MBX_EMBED
);
13417 bf_set(lpfc_mbx_rq_destroy_q_id
, &mbox
->u
.mqe
.un
.rq_destroy
.u
.request
,
13419 mbox
->vport
= hrq
->phba
->pport
;
13420 mbox
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
13421 rc
= lpfc_sli_issue_mbox(hrq
->phba
, mbox
, MBX_POLL
);
13422 /* The IOCTL status is embedded in the mailbox subheader. */
13423 shdr
= (union lpfc_sli4_cfg_shdr
*)
13424 &mbox
->u
.mqe
.un
.rq_destroy
.header
.cfg_shdr
;
13425 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13426 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13427 if (shdr_status
|| shdr_add_status
|| rc
) {
13428 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13429 "2509 RQ_DESTROY mailbox failed with "
13430 "status x%x add_status x%x, mbx status x%x\n",
13431 shdr_status
, shdr_add_status
, rc
);
13432 if (rc
!= MBX_TIMEOUT
)
13433 mempool_free(mbox
, hrq
->phba
->mbox_mem_pool
);
13436 bf_set(lpfc_mbx_rq_destroy_q_id
, &mbox
->u
.mqe
.un
.rq_destroy
.u
.request
,
13438 rc
= lpfc_sli_issue_mbox(drq
->phba
, mbox
, MBX_POLL
);
13439 shdr
= (union lpfc_sli4_cfg_shdr
*)
13440 &mbox
->u
.mqe
.un
.rq_destroy
.header
.cfg_shdr
;
13441 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13442 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13443 if (shdr_status
|| shdr_add_status
|| rc
) {
13444 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13445 "2510 RQ_DESTROY mailbox failed with "
13446 "status x%x add_status x%x, mbx status x%x\n",
13447 shdr_status
, shdr_add_status
, rc
);
13450 list_del_init(&hrq
->list
);
13451 list_del_init(&drq
->list
);
13452 mempool_free(mbox
, hrq
->phba
->mbox_mem_pool
);
13457 * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA
13458 * @phba: The virtual port for which this call being executed.
13459 * @pdma_phys_addr0: Physical address of the 1st SGL page.
13460 * @pdma_phys_addr1: Physical address of the 2nd SGL page.
13461 * @xritag: the xritag that ties this io to the SGL pages.
13463 * This routine will post the sgl pages for the IO that has the xritag
13464 * that is in the iocbq structure. The xritag is assigned during iocbq
13465 * creation and persists for as long as the driver is loaded.
13466 * if the caller has fewer than 256 scatter gather segments to map then
13467 * pdma_phys_addr1 should be 0.
13468 * If the caller needs to map more than 256 scatter gather segment then
13469 * pdma_phys_addr1 should be a valid physical address.
13470 * physical address for SGLs must be 64 byte aligned.
13471 * If you are going to map 2 SGL's then the first one must have 256 entries
13472 * the second sgl can have between 1 and 256 entries.
13476 * -ENXIO, -ENOMEM - Failure
13479 lpfc_sli4_post_sgl(struct lpfc_hba
*phba
,
13480 dma_addr_t pdma_phys_addr0
,
13481 dma_addr_t pdma_phys_addr1
,
13484 struct lpfc_mbx_post_sgl_pages
*post_sgl_pages
;
13485 LPFC_MBOXQ_t
*mbox
;
13487 uint32_t shdr_status
, shdr_add_status
;
13489 union lpfc_sli4_cfg_shdr
*shdr
;
13491 if (xritag
== NO_XRI
) {
13492 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13493 "0364 Invalid param:\n");
13497 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
13501 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
13502 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
,
13503 sizeof(struct lpfc_mbx_post_sgl_pages
) -
13504 sizeof(struct lpfc_sli4_cfg_mhdr
), LPFC_SLI4_MBX_EMBED
);
13506 post_sgl_pages
= (struct lpfc_mbx_post_sgl_pages
*)
13507 &mbox
->u
.mqe
.un
.post_sgl_pages
;
13508 bf_set(lpfc_post_sgl_pages_xri
, post_sgl_pages
, xritag
);
13509 bf_set(lpfc_post_sgl_pages_xricnt
, post_sgl_pages
, 1);
13511 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg0_addr_lo
=
13512 cpu_to_le32(putPaddrLow(pdma_phys_addr0
));
13513 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg0_addr_hi
=
13514 cpu_to_le32(putPaddrHigh(pdma_phys_addr0
));
13516 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg1_addr_lo
=
13517 cpu_to_le32(putPaddrLow(pdma_phys_addr1
));
13518 post_sgl_pages
->sgl_pg_pairs
[0].sgl_pg1_addr_hi
=
13519 cpu_to_le32(putPaddrHigh(pdma_phys_addr1
));
13520 if (!phba
->sli4_hba
.intr_enable
)
13521 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13523 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
13524 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
13526 /* The IOCTL status is embedded in the mailbox subheader. */
13527 shdr
= (union lpfc_sli4_cfg_shdr
*) &post_sgl_pages
->header
.cfg_shdr
;
13528 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13529 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13530 if (rc
!= MBX_TIMEOUT
)
13531 mempool_free(mbox
, phba
->mbox_mem_pool
);
13532 if (shdr_status
|| shdr_add_status
|| rc
) {
13533 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13534 "2511 POST_SGL mailbox failed with "
13535 "status x%x add_status x%x, mbx status x%x\n",
13536 shdr_status
, shdr_add_status
, rc
);
13543 * lpfc_sli4_alloc_xri - Get an available rpi in the device's range
13544 * @phba: pointer to lpfc hba data structure.
13546 * This routine is invoked to post rpi header templates to the
13547 * HBA consistent with the SLI-4 interface spec. This routine
13548 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
13549 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
13552 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
13553 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
13556 lpfc_sli4_alloc_xri(struct lpfc_hba
*phba
)
13561 * Fetch the next logical xri. Because this index is logical,
13562 * the driver starts at 0 each time.
13564 spin_lock_irq(&phba
->hbalock
);
13565 xri
= find_next_zero_bit(phba
->sli4_hba
.xri_bmask
,
13566 phba
->sli4_hba
.max_cfg_param
.max_xri
, 0);
13567 if (xri
>= phba
->sli4_hba
.max_cfg_param
.max_xri
) {
13568 spin_unlock_irq(&phba
->hbalock
);
13571 set_bit(xri
, phba
->sli4_hba
.xri_bmask
);
13572 phba
->sli4_hba
.max_cfg_param
.xri_used
++;
13574 spin_unlock_irq(&phba
->hbalock
);
13579 * lpfc_sli4_free_xri - Release an xri for reuse.
13580 * @phba: pointer to lpfc hba data structure.
13582 * This routine is invoked to release an xri to the pool of
13583 * available rpis maintained by the driver.
13586 __lpfc_sli4_free_xri(struct lpfc_hba
*phba
, int xri
)
13588 if (test_and_clear_bit(xri
, phba
->sli4_hba
.xri_bmask
)) {
13589 phba
->sli4_hba
.max_cfg_param
.xri_used
--;
13594 * lpfc_sli4_free_xri - Release an xri for reuse.
13595 * @phba: pointer to lpfc hba data structure.
13597 * This routine is invoked to release an xri to the pool of
13598 * available rpis maintained by the driver.
13601 lpfc_sli4_free_xri(struct lpfc_hba
*phba
, int xri
)
13603 spin_lock_irq(&phba
->hbalock
);
13604 __lpfc_sli4_free_xri(phba
, xri
);
13605 spin_unlock_irq(&phba
->hbalock
);
13609 * lpfc_sli4_next_xritag - Get an xritag for the io
13610 * @phba: Pointer to HBA context object.
13612 * This function gets an xritag for the iocb. If there is no unused xritag
13613 * it will return 0xffff.
13614 * The function returns the allocated xritag if successful, else returns zero.
13615 * Zero is not a valid xritag.
13616 * The caller is not required to hold any lock.
13619 lpfc_sli4_next_xritag(struct lpfc_hba
*phba
)
13621 uint16_t xri_index
;
13623 xri_index
= lpfc_sli4_alloc_xri(phba
);
13624 if (xri_index
== NO_XRI
)
13625 lpfc_printf_log(phba
, KERN_WARNING
, LOG_SLI
,
13626 "2004 Failed to allocate XRI.last XRITAG is %d"
13627 " Max XRI is %d, Used XRI is %d\n",
13629 phba
->sli4_hba
.max_cfg_param
.max_xri
,
13630 phba
->sli4_hba
.max_cfg_param
.xri_used
);
13635 * lpfc_sli4_post_els_sgl_list - post a block of ELS sgls to the port.
13636 * @phba: pointer to lpfc hba data structure.
13637 * @post_sgl_list: pointer to els sgl entry list.
13638 * @count: number of els sgl entries on the list.
13640 * This routine is invoked to post a block of driver's sgl pages to the
13641 * HBA using non-embedded mailbox command. No Lock is held. This routine
13642 * is only called when the driver is loading and after all IO has been
13646 lpfc_sli4_post_els_sgl_list(struct lpfc_hba
*phba
,
13647 struct list_head
*post_sgl_list
,
13650 struct lpfc_sglq
*sglq_entry
= NULL
, *sglq_next
= NULL
;
13651 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
13652 struct sgl_page_pairs
*sgl_pg_pairs
;
13654 LPFC_MBOXQ_t
*mbox
;
13655 uint32_t reqlen
, alloclen
, pg_pairs
;
13657 uint16_t xritag_start
= 0;
13659 uint32_t shdr_status
, shdr_add_status
;
13660 union lpfc_sli4_cfg_shdr
*shdr
;
13662 reqlen
= phba
->sli4_hba
.els_xri_cnt
* sizeof(struct sgl_page_pairs
) +
13663 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
13664 if (reqlen
> SLI4_PAGE_SIZE
) {
13665 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
13666 "2559 Block sgl registration required DMA "
13667 "size (%d) great than a page\n", reqlen
);
13670 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
13674 /* Allocate DMA memory and set up the non-embedded mailbox command */
13675 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
13676 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
, reqlen
,
13677 LPFC_SLI4_MBX_NEMBED
);
13679 if (alloclen
< reqlen
) {
13680 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13681 "0285 Allocated DMA memory size (%d) is "
13682 "less than the requested DMA memory "
13683 "size (%d)\n", alloclen
, reqlen
);
13684 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
13687 /* Set up the SGL pages in the non-embedded DMA pages */
13688 viraddr
= mbox
->sge_array
->addr
[0];
13689 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
13690 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
13693 list_for_each_entry_safe(sglq_entry
, sglq_next
, post_sgl_list
, list
) {
13694 /* Set up the sge entry */
13695 sgl_pg_pairs
->sgl_pg0_addr_lo
=
13696 cpu_to_le32(putPaddrLow(sglq_entry
->phys
));
13697 sgl_pg_pairs
->sgl_pg0_addr_hi
=
13698 cpu_to_le32(putPaddrHigh(sglq_entry
->phys
));
13699 sgl_pg_pairs
->sgl_pg1_addr_lo
=
13700 cpu_to_le32(putPaddrLow(0));
13701 sgl_pg_pairs
->sgl_pg1_addr_hi
=
13702 cpu_to_le32(putPaddrHigh(0));
13704 /* Keep the first xritag on the list */
13706 xritag_start
= sglq_entry
->sli4_xritag
;
13711 /* Complete initialization and perform endian conversion. */
13712 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xritag_start
);
13713 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, phba
->sli4_hba
.els_xri_cnt
);
13714 sgl
->word0
= cpu_to_le32(sgl
->word0
);
13715 if (!phba
->sli4_hba
.intr_enable
)
13716 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13718 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
13719 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
13721 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
13722 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13723 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13724 if (rc
!= MBX_TIMEOUT
)
13725 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
13726 if (shdr_status
|| shdr_add_status
|| rc
) {
13727 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13728 "2513 POST_SGL_BLOCK mailbox command failed "
13729 "status x%x add_status x%x mbx status x%x\n",
13730 shdr_status
, shdr_add_status
, rc
);
13737 * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware
13738 * @phba: pointer to lpfc hba data structure.
13739 * @sblist: pointer to scsi buffer list.
13740 * @count: number of scsi buffers on the list.
13742 * This routine is invoked to post a block of @count scsi sgl pages from a
13743 * SCSI buffer list @sblist to the HBA using non-embedded mailbox command.
13748 lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba
*phba
,
13749 struct list_head
*sblist
,
13752 struct lpfc_scsi_buf
*psb
;
13753 struct lpfc_mbx_post_uembed_sgl_page1
*sgl
;
13754 struct sgl_page_pairs
*sgl_pg_pairs
;
13756 LPFC_MBOXQ_t
*mbox
;
13757 uint32_t reqlen
, alloclen
, pg_pairs
;
13759 uint16_t xritag_start
= 0;
13761 uint32_t shdr_status
, shdr_add_status
;
13762 dma_addr_t pdma_phys_bpl1
;
13763 union lpfc_sli4_cfg_shdr
*shdr
;
13765 /* Calculate the requested length of the dma memory */
13766 reqlen
= count
* sizeof(struct sgl_page_pairs
) +
13767 sizeof(union lpfc_sli4_cfg_shdr
) + sizeof(uint32_t);
13768 if (reqlen
> SLI4_PAGE_SIZE
) {
13769 lpfc_printf_log(phba
, KERN_WARNING
, LOG_INIT
,
13770 "0217 Block sgl registration required DMA "
13771 "size (%d) great than a page\n", reqlen
);
13774 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
13776 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13777 "0283 Failed to allocate mbox cmd memory\n");
13781 /* Allocate DMA memory and set up the non-embedded mailbox command */
13782 alloclen
= lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
13783 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES
, reqlen
,
13784 LPFC_SLI4_MBX_NEMBED
);
13786 if (alloclen
< reqlen
) {
13787 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
13788 "2561 Allocated DMA memory size (%d) is "
13789 "less than the requested DMA memory "
13790 "size (%d)\n", alloclen
, reqlen
);
13791 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
13795 /* Get the first SGE entry from the non-embedded DMA memory */
13796 viraddr
= mbox
->sge_array
->addr
[0];
13798 /* Set up the SGL pages in the non-embedded DMA pages */
13799 sgl
= (struct lpfc_mbx_post_uembed_sgl_page1
*)viraddr
;
13800 sgl_pg_pairs
= &sgl
->sgl_pg_pairs
;
13803 list_for_each_entry(psb
, sblist
, list
) {
13804 /* Set up the sge entry */
13805 sgl_pg_pairs
->sgl_pg0_addr_lo
=
13806 cpu_to_le32(putPaddrLow(psb
->dma_phys_bpl
));
13807 sgl_pg_pairs
->sgl_pg0_addr_hi
=
13808 cpu_to_le32(putPaddrHigh(psb
->dma_phys_bpl
));
13809 if (phba
->cfg_sg_dma_buf_size
> SGL_PAGE_SIZE
)
13810 pdma_phys_bpl1
= psb
->dma_phys_bpl
+ SGL_PAGE_SIZE
;
13812 pdma_phys_bpl1
= 0;
13813 sgl_pg_pairs
->sgl_pg1_addr_lo
=
13814 cpu_to_le32(putPaddrLow(pdma_phys_bpl1
));
13815 sgl_pg_pairs
->sgl_pg1_addr_hi
=
13816 cpu_to_le32(putPaddrHigh(pdma_phys_bpl1
));
13817 /* Keep the first xritag on the list */
13819 xritag_start
= psb
->cur_iocbq
.sli4_xritag
;
13823 bf_set(lpfc_post_sgl_pages_xri
, sgl
, xritag_start
);
13824 bf_set(lpfc_post_sgl_pages_xricnt
, sgl
, pg_pairs
);
13825 /* Perform endian conversion if necessary */
13826 sgl
->word0
= cpu_to_le32(sgl
->word0
);
13828 if (!phba
->sli4_hba
.intr_enable
)
13829 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
13831 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
13832 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
13834 shdr
= (union lpfc_sli4_cfg_shdr
*) &sgl
->cfg_shdr
;
13835 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
13836 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
13837 if (rc
!= MBX_TIMEOUT
)
13838 lpfc_sli4_mbox_cmd_free(phba
, mbox
);
13839 if (shdr_status
|| shdr_add_status
|| rc
) {
13840 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
13841 "2564 POST_SGL_BLOCK mailbox command failed "
13842 "status x%x add_status x%x mbx status x%x\n",
13843 shdr_status
, shdr_add_status
, rc
);
13850 * lpfc_fc_frame_check - Check that this frame is a valid frame to handle
13851 * @phba: pointer to lpfc_hba struct that the frame was received on
13852 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
13854 * This function checks the fields in the @fc_hdr to see if the FC frame is a
13855 * valid type of frame that the LPFC driver will handle. This function will
13856 * return a zero if the frame is a valid frame or a non zero value when the
13857 * frame does not pass the check.
13860 lpfc_fc_frame_check(struct lpfc_hba
*phba
, struct fc_frame_header
*fc_hdr
)
13862 /* make rctl_names static to save stack space */
13863 static char *rctl_names
[] = FC_RCTL_NAMES_INIT
;
13864 char *type_names
[] = FC_TYPE_NAMES_INIT
;
13865 struct fc_vft_header
*fc_vft_hdr
;
13866 uint32_t *header
= (uint32_t *) fc_hdr
;
13868 switch (fc_hdr
->fh_r_ctl
) {
13869 case FC_RCTL_DD_UNCAT
: /* uncategorized information */
13870 case FC_RCTL_DD_SOL_DATA
: /* solicited data */
13871 case FC_RCTL_DD_UNSOL_CTL
: /* unsolicited control */
13872 case FC_RCTL_DD_SOL_CTL
: /* solicited control or reply */
13873 case FC_RCTL_DD_UNSOL_DATA
: /* unsolicited data */
13874 case FC_RCTL_DD_DATA_DESC
: /* data descriptor */
13875 case FC_RCTL_DD_UNSOL_CMD
: /* unsolicited command */
13876 case FC_RCTL_DD_CMD_STATUS
: /* command status */
13877 case FC_RCTL_ELS_REQ
: /* extended link services request */
13878 case FC_RCTL_ELS_REP
: /* extended link services reply */
13879 case FC_RCTL_ELS4_REQ
: /* FC-4 ELS request */
13880 case FC_RCTL_ELS4_REP
: /* FC-4 ELS reply */
13881 case FC_RCTL_BA_NOP
: /* basic link service NOP */
13882 case FC_RCTL_BA_ABTS
: /* basic link service abort */
13883 case FC_RCTL_BA_RMC
: /* remove connection */
13884 case FC_RCTL_BA_ACC
: /* basic accept */
13885 case FC_RCTL_BA_RJT
: /* basic reject */
13886 case FC_RCTL_BA_PRMT
:
13887 case FC_RCTL_ACK_1
: /* acknowledge_1 */
13888 case FC_RCTL_ACK_0
: /* acknowledge_0 */
13889 case FC_RCTL_P_RJT
: /* port reject */
13890 case FC_RCTL_F_RJT
: /* fabric reject */
13891 case FC_RCTL_P_BSY
: /* port busy */
13892 case FC_RCTL_F_BSY
: /* fabric busy to data frame */
13893 case FC_RCTL_F_BSYL
: /* fabric busy to link control frame */
13894 case FC_RCTL_LCR
: /* link credit reset */
13895 case FC_RCTL_END
: /* end */
13897 case FC_RCTL_VFTH
: /* Virtual Fabric tagging Header */
13898 fc_vft_hdr
= (struct fc_vft_header
*)fc_hdr
;
13899 fc_hdr
= &((struct fc_frame_header
*)fc_vft_hdr
)[1];
13900 return lpfc_fc_frame_check(phba
, fc_hdr
);
13904 switch (fc_hdr
->fh_type
) {
13916 lpfc_printf_log(phba
, KERN_INFO
, LOG_ELS
,
13917 "2538 Received frame rctl:%s type:%s "
13918 "Frame Data:%08x %08x %08x %08x %08x %08x\n",
13919 rctl_names
[fc_hdr
->fh_r_ctl
],
13920 type_names
[fc_hdr
->fh_type
],
13921 be32_to_cpu(header
[0]), be32_to_cpu(header
[1]),
13922 be32_to_cpu(header
[2]), be32_to_cpu(header
[3]),
13923 be32_to_cpu(header
[4]), be32_to_cpu(header
[5]));
13926 lpfc_printf_log(phba
, KERN_WARNING
, LOG_ELS
,
13927 "2539 Dropped frame rctl:%s type:%s\n",
13928 rctl_names
[fc_hdr
->fh_r_ctl
],
13929 type_names
[fc_hdr
->fh_type
]);
13934 * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame
13935 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
13937 * This function processes the FC header to retrieve the VFI from the VF
13938 * header, if one exists. This function will return the VFI if one exists
13939 * or 0 if no VSAN Header exists.
13942 lpfc_fc_hdr_get_vfi(struct fc_frame_header
*fc_hdr
)
13944 struct fc_vft_header
*fc_vft_hdr
= (struct fc_vft_header
*)fc_hdr
;
13946 if (fc_hdr
->fh_r_ctl
!= FC_RCTL_VFTH
)
13948 return bf_get(fc_vft_hdr_vf_id
, fc_vft_hdr
);
13952 * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to
13953 * @phba: Pointer to the HBA structure to search for the vport on
13954 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
13955 * @fcfi: The FC Fabric ID that the frame came from
13957 * This function searches the @phba for a vport that matches the content of the
13958 * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the
13959 * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function
13960 * returns the matching vport pointer or NULL if unable to match frame to a
13963 static struct lpfc_vport
*
13964 lpfc_fc_frame_to_vport(struct lpfc_hba
*phba
, struct fc_frame_header
*fc_hdr
,
13967 struct lpfc_vport
**vports
;
13968 struct lpfc_vport
*vport
= NULL
;
13970 uint32_t did
= (fc_hdr
->fh_d_id
[0] << 16 |
13971 fc_hdr
->fh_d_id
[1] << 8 |
13972 fc_hdr
->fh_d_id
[2]);
13974 if (did
== Fabric_DID
)
13975 return phba
->pport
;
13976 if ((phba
->pport
->fc_flag
& FC_PT2PT
) &&
13977 !(phba
->link_state
== LPFC_HBA_READY
))
13978 return phba
->pport
;
13980 vports
= lpfc_create_vport_work_array(phba
);
13981 if (vports
!= NULL
)
13982 for (i
= 0; i
<= phba
->max_vpi
&& vports
[i
] != NULL
; i
++) {
13983 if (phba
->fcf
.fcfi
== fcfi
&&
13984 vports
[i
]->vfi
== lpfc_fc_hdr_get_vfi(fc_hdr
) &&
13985 vports
[i
]->fc_myDID
== did
) {
13990 lpfc_destroy_vport_work_array(phba
, vports
);
13995 * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp
13996 * @vport: The vport to work on.
13998 * This function updates the receive sequence time stamp for this vport. The
13999 * receive sequence time stamp indicates the time that the last frame of the
14000 * the sequence that has been idle for the longest amount of time was received.
14001 * the driver uses this time stamp to indicate if any received sequences have
14005 lpfc_update_rcv_time_stamp(struct lpfc_vport
*vport
)
14007 struct lpfc_dmabuf
*h_buf
;
14008 struct hbq_dmabuf
*dmabuf
= NULL
;
14010 /* get the oldest sequence on the rcv list */
14011 h_buf
= list_get_first(&vport
->rcv_buffer_list
,
14012 struct lpfc_dmabuf
, list
);
14015 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
14016 vport
->rcv_buffer_time_stamp
= dmabuf
->time_stamp
;
14020 * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences.
14021 * @vport: The vport that the received sequences were sent to.
14023 * This function cleans up all outstanding received sequences. This is called
14024 * by the driver when a link event or user action invalidates all the received
14028 lpfc_cleanup_rcv_buffers(struct lpfc_vport
*vport
)
14030 struct lpfc_dmabuf
*h_buf
, *hnext
;
14031 struct lpfc_dmabuf
*d_buf
, *dnext
;
14032 struct hbq_dmabuf
*dmabuf
= NULL
;
14034 /* start with the oldest sequence on the rcv list */
14035 list_for_each_entry_safe(h_buf
, hnext
, &vport
->rcv_buffer_list
, list
) {
14036 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
14037 list_del_init(&dmabuf
->hbuf
.list
);
14038 list_for_each_entry_safe(d_buf
, dnext
,
14039 &dmabuf
->dbuf
.list
, list
) {
14040 list_del_init(&d_buf
->list
);
14041 lpfc_in_buf_free(vport
->phba
, d_buf
);
14043 lpfc_in_buf_free(vport
->phba
, &dmabuf
->dbuf
);
14048 * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences.
14049 * @vport: The vport that the received sequences were sent to.
14051 * This function determines whether any received sequences have timed out by
14052 * first checking the vport's rcv_buffer_time_stamp. If this time_stamp
14053 * indicates that there is at least one timed out sequence this routine will
14054 * go through the received sequences one at a time from most inactive to most
14055 * active to determine which ones need to be cleaned up. Once it has determined
14056 * that a sequence needs to be cleaned up it will simply free up the resources
14057 * without sending an abort.
14060 lpfc_rcv_seq_check_edtov(struct lpfc_vport
*vport
)
14062 struct lpfc_dmabuf
*h_buf
, *hnext
;
14063 struct lpfc_dmabuf
*d_buf
, *dnext
;
14064 struct hbq_dmabuf
*dmabuf
= NULL
;
14065 unsigned long timeout
;
14066 int abort_count
= 0;
14068 timeout
= (msecs_to_jiffies(vport
->phba
->fc_edtov
) +
14069 vport
->rcv_buffer_time_stamp
);
14070 if (list_empty(&vport
->rcv_buffer_list
) ||
14071 time_before(jiffies
, timeout
))
14073 /* start with the oldest sequence on the rcv list */
14074 list_for_each_entry_safe(h_buf
, hnext
, &vport
->rcv_buffer_list
, list
) {
14075 dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
14076 timeout
= (msecs_to_jiffies(vport
->phba
->fc_edtov
) +
14077 dmabuf
->time_stamp
);
14078 if (time_before(jiffies
, timeout
))
14081 list_del_init(&dmabuf
->hbuf
.list
);
14082 list_for_each_entry_safe(d_buf
, dnext
,
14083 &dmabuf
->dbuf
.list
, list
) {
14084 list_del_init(&d_buf
->list
);
14085 lpfc_in_buf_free(vport
->phba
, d_buf
);
14087 lpfc_in_buf_free(vport
->phba
, &dmabuf
->dbuf
);
14090 lpfc_update_rcv_time_stamp(vport
);
14094 * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences
14095 * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame
14097 * This function searches through the existing incomplete sequences that have
14098 * been sent to this @vport. If the frame matches one of the incomplete
14099 * sequences then the dbuf in the @dmabuf is added to the list of frames that
14100 * make up that sequence. If no sequence is found that matches this frame then
14101 * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list
14102 * This function returns a pointer to the first dmabuf in the sequence list that
14103 * the frame was linked to.
14105 static struct hbq_dmabuf
*
14106 lpfc_fc_frame_add(struct lpfc_vport
*vport
, struct hbq_dmabuf
*dmabuf
)
14108 struct fc_frame_header
*new_hdr
;
14109 struct fc_frame_header
*temp_hdr
;
14110 struct lpfc_dmabuf
*d_buf
;
14111 struct lpfc_dmabuf
*h_buf
;
14112 struct hbq_dmabuf
*seq_dmabuf
= NULL
;
14113 struct hbq_dmabuf
*temp_dmabuf
= NULL
;
14115 INIT_LIST_HEAD(&dmabuf
->dbuf
.list
);
14116 dmabuf
->time_stamp
= jiffies
;
14117 new_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
14118 /* Use the hdr_buf to find the sequence that this frame belongs to */
14119 list_for_each_entry(h_buf
, &vport
->rcv_buffer_list
, list
) {
14120 temp_hdr
= (struct fc_frame_header
*)h_buf
->virt
;
14121 if ((temp_hdr
->fh_seq_id
!= new_hdr
->fh_seq_id
) ||
14122 (temp_hdr
->fh_ox_id
!= new_hdr
->fh_ox_id
) ||
14123 (memcmp(&temp_hdr
->fh_s_id
, &new_hdr
->fh_s_id
, 3)))
14125 /* found a pending sequence that matches this frame */
14126 seq_dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
14131 * This indicates first frame received for this sequence.
14132 * Queue the buffer on the vport's rcv_buffer_list.
14134 list_add_tail(&dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
14135 lpfc_update_rcv_time_stamp(vport
);
14138 temp_hdr
= seq_dmabuf
->hbuf
.virt
;
14139 if (be16_to_cpu(new_hdr
->fh_seq_cnt
) <
14140 be16_to_cpu(temp_hdr
->fh_seq_cnt
)) {
14141 list_del_init(&seq_dmabuf
->hbuf
.list
);
14142 list_add_tail(&dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
14143 list_add_tail(&dmabuf
->dbuf
.list
, &seq_dmabuf
->dbuf
.list
);
14144 lpfc_update_rcv_time_stamp(vport
);
14147 /* move this sequence to the tail to indicate a young sequence */
14148 list_move_tail(&seq_dmabuf
->hbuf
.list
, &vport
->rcv_buffer_list
);
14149 seq_dmabuf
->time_stamp
= jiffies
;
14150 lpfc_update_rcv_time_stamp(vport
);
14151 if (list_empty(&seq_dmabuf
->dbuf
.list
)) {
14152 temp_hdr
= dmabuf
->hbuf
.virt
;
14153 list_add_tail(&dmabuf
->dbuf
.list
, &seq_dmabuf
->dbuf
.list
);
14156 /* find the correct place in the sequence to insert this frame */
14157 list_for_each_entry_reverse(d_buf
, &seq_dmabuf
->dbuf
.list
, list
) {
14158 temp_dmabuf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
14159 temp_hdr
= (struct fc_frame_header
*)temp_dmabuf
->hbuf
.virt
;
14161 * If the frame's sequence count is greater than the frame on
14162 * the list then insert the frame right after this frame
14164 if (be16_to_cpu(new_hdr
->fh_seq_cnt
) >
14165 be16_to_cpu(temp_hdr
->fh_seq_cnt
)) {
14166 list_add(&dmabuf
->dbuf
.list
, &temp_dmabuf
->dbuf
.list
);
14174 * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence
14175 * @vport: pointer to a vitural port
14176 * @dmabuf: pointer to a dmabuf that describes the FC sequence
14178 * This function tries to abort from the partially assembed sequence, described
14179 * by the information from basic abbort @dmabuf. It checks to see whether such
14180 * partially assembled sequence held by the driver. If so, it shall free up all
14181 * the frames from the partially assembled sequence.
14184 * true -- if there is matching partially assembled sequence present and all
14185 * the frames freed with the sequence;
14186 * false -- if there is no matching partially assembled sequence present so
14187 * nothing got aborted in the lower layer driver
14190 lpfc_sli4_abort_partial_seq(struct lpfc_vport
*vport
,
14191 struct hbq_dmabuf
*dmabuf
)
14193 struct fc_frame_header
*new_hdr
;
14194 struct fc_frame_header
*temp_hdr
;
14195 struct lpfc_dmabuf
*d_buf
, *n_buf
, *h_buf
;
14196 struct hbq_dmabuf
*seq_dmabuf
= NULL
;
14198 /* Use the hdr_buf to find the sequence that matches this frame */
14199 INIT_LIST_HEAD(&dmabuf
->dbuf
.list
);
14200 INIT_LIST_HEAD(&dmabuf
->hbuf
.list
);
14201 new_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
14202 list_for_each_entry(h_buf
, &vport
->rcv_buffer_list
, list
) {
14203 temp_hdr
= (struct fc_frame_header
*)h_buf
->virt
;
14204 if ((temp_hdr
->fh_seq_id
!= new_hdr
->fh_seq_id
) ||
14205 (temp_hdr
->fh_ox_id
!= new_hdr
->fh_ox_id
) ||
14206 (memcmp(&temp_hdr
->fh_s_id
, &new_hdr
->fh_s_id
, 3)))
14208 /* found a pending sequence that matches this frame */
14209 seq_dmabuf
= container_of(h_buf
, struct hbq_dmabuf
, hbuf
);
14213 /* Free up all the frames from the partially assembled sequence */
14215 list_for_each_entry_safe(d_buf
, n_buf
,
14216 &seq_dmabuf
->dbuf
.list
, list
) {
14217 list_del_init(&d_buf
->list
);
14218 lpfc_in_buf_free(vport
->phba
, d_buf
);
14226 * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp
14227 * @vport: pointer to a vitural port
14228 * @dmabuf: pointer to a dmabuf that describes the FC sequence
14230 * This function tries to abort from the assembed sequence from upper level
14231 * protocol, described by the information from basic abbort @dmabuf. It
14232 * checks to see whether such pending context exists at upper level protocol.
14233 * If so, it shall clean up the pending context.
14236 * true -- if there is matching pending context of the sequence cleaned
14238 * false -- if there is no matching pending context of the sequence present
14242 lpfc_sli4_abort_ulp_seq(struct lpfc_vport
*vport
, struct hbq_dmabuf
*dmabuf
)
14244 struct lpfc_hba
*phba
= vport
->phba
;
14247 /* Accepting abort at ulp with SLI4 only */
14248 if (phba
->sli_rev
< LPFC_SLI_REV4
)
14251 /* Register all caring upper level protocols to attend abort */
14252 handled
= lpfc_ct_handle_unsol_abort(phba
, dmabuf
);
14260 * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler
14261 * @phba: Pointer to HBA context object.
14262 * @cmd_iocbq: pointer to the command iocbq structure.
14263 * @rsp_iocbq: pointer to the response iocbq structure.
14265 * This function handles the sequence abort response iocb command complete
14266 * event. It properly releases the memory allocated to the sequence abort
14270 lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba
*phba
,
14271 struct lpfc_iocbq
*cmd_iocbq
,
14272 struct lpfc_iocbq
*rsp_iocbq
)
14274 struct lpfc_nodelist
*ndlp
;
14277 ndlp
= (struct lpfc_nodelist
*)cmd_iocbq
->context1
;
14278 lpfc_nlp_put(ndlp
);
14279 lpfc_nlp_not_used(ndlp
);
14280 lpfc_sli_release_iocbq(phba
, cmd_iocbq
);
14283 /* Failure means BLS ABORT RSP did not get delivered to remote node*/
14284 if (rsp_iocbq
&& rsp_iocbq
->iocb
.ulpStatus
)
14285 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14286 "3154 BLS ABORT RSP failed, data: x%x/x%x\n",
14287 rsp_iocbq
->iocb
.ulpStatus
,
14288 rsp_iocbq
->iocb
.un
.ulpWord
[4]);
14292 * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver.
14293 * @phba: Pointer to HBA context object.
14294 * @xri: xri id in transaction.
14296 * This function validates the xri maps to the known range of XRIs allocated an
14297 * used by the driver.
14300 lpfc_sli4_xri_inrange(struct lpfc_hba
*phba
,
14305 for (i
= 0; i
< phba
->sli4_hba
.max_cfg_param
.max_xri
; i
++) {
14306 if (xri
== phba
->sli4_hba
.xri_ids
[i
])
14313 * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort
14314 * @phba: Pointer to HBA context object.
14315 * @fc_hdr: pointer to a FC frame header.
14317 * This function sends a basic response to a previous unsol sequence abort
14318 * event after aborting the sequence handling.
14321 lpfc_sli4_seq_abort_rsp(struct lpfc_vport
*vport
,
14322 struct fc_frame_header
*fc_hdr
, bool aborted
)
14324 struct lpfc_hba
*phba
= vport
->phba
;
14325 struct lpfc_iocbq
*ctiocb
= NULL
;
14326 struct lpfc_nodelist
*ndlp
;
14327 uint16_t oxid
, rxid
, xri
, lxri
;
14328 uint32_t sid
, fctl
;
14332 if (!lpfc_is_link_up(phba
))
14335 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
14336 oxid
= be16_to_cpu(fc_hdr
->fh_ox_id
);
14337 rxid
= be16_to_cpu(fc_hdr
->fh_rx_id
);
14339 ndlp
= lpfc_findnode_did(vport
, sid
);
14341 ndlp
= mempool_alloc(phba
->nlp_mem_pool
, GFP_KERNEL
);
14343 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_ELS
,
14344 "1268 Failed to allocate ndlp for "
14345 "oxid:x%x SID:x%x\n", oxid
, sid
);
14348 lpfc_nlp_init(vport
, ndlp
, sid
);
14349 /* Put ndlp onto pport node list */
14350 lpfc_enqueue_node(vport
, ndlp
);
14351 } else if (!NLP_CHK_NODE_ACT(ndlp
)) {
14352 /* re-setup ndlp without removing from node list */
14353 ndlp
= lpfc_enable_node(vport
, ndlp
, NLP_STE_UNUSED_NODE
);
14355 lpfc_printf_vlog(vport
, KERN_WARNING
, LOG_ELS
,
14356 "3275 Failed to active ndlp found "
14357 "for oxid:x%x SID:x%x\n", oxid
, sid
);
14362 /* Allocate buffer for rsp iocb */
14363 ctiocb
= lpfc_sli_get_iocbq(phba
);
14367 /* Extract the F_CTL field from FC_HDR */
14368 fctl
= sli4_fctl_from_fc_hdr(fc_hdr
);
14370 icmd
= &ctiocb
->iocb
;
14371 icmd
->un
.xseq64
.bdl
.bdeSize
= 0;
14372 icmd
->un
.xseq64
.bdl
.ulpIoTag32
= 0;
14373 icmd
->un
.xseq64
.w5
.hcsw
.Dfctl
= 0;
14374 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_ACC
;
14375 icmd
->un
.xseq64
.w5
.hcsw
.Type
= FC_TYPE_BLS
;
14377 /* Fill in the rest of iocb fields */
14378 icmd
->ulpCommand
= CMD_XMIT_BLS_RSP64_CX
;
14379 icmd
->ulpBdeCount
= 0;
14381 icmd
->ulpClass
= CLASS3
;
14382 icmd
->ulpContext
= phba
->sli4_hba
.rpi_ids
[ndlp
->nlp_rpi
];
14383 ctiocb
->context1
= lpfc_nlp_get(ndlp
);
14385 ctiocb
->iocb_cmpl
= NULL
;
14386 ctiocb
->vport
= phba
->pport
;
14387 ctiocb
->iocb_cmpl
= lpfc_sli4_seq_abort_rsp_cmpl
;
14388 ctiocb
->sli4_lxritag
= NO_XRI
;
14389 ctiocb
->sli4_xritag
= NO_XRI
;
14391 if (fctl
& FC_FC_EX_CTX
)
14392 /* Exchange responder sent the abort so we
14398 lxri
= lpfc_sli4_xri_inrange(phba
, xri
);
14399 if (lxri
!= NO_XRI
)
14400 lpfc_set_rrq_active(phba
, ndlp
, lxri
,
14401 (xri
== oxid
) ? rxid
: oxid
, 0);
14402 /* For BA_ABTS from exchange responder, if the logical xri with
14403 * the oxid maps to the FCP XRI range, the port no longer has
14404 * that exchange context, send a BLS_RJT. Override the IOCB for
14407 if ((fctl
& FC_FC_EX_CTX
) &&
14408 (lxri
> lpfc_sli4_get_els_iocb_cnt(phba
))) {
14409 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_RJT
;
14410 bf_set(lpfc_vndr_code
, &icmd
->un
.bls_rsp
, 0);
14411 bf_set(lpfc_rsn_expln
, &icmd
->un
.bls_rsp
, FC_BA_RJT_INV_XID
);
14412 bf_set(lpfc_rsn_code
, &icmd
->un
.bls_rsp
, FC_BA_RJT_UNABLE
);
14415 /* If BA_ABTS failed to abort a partially assembled receive sequence,
14416 * the driver no longer has that exchange, send a BLS_RJT. Override
14417 * the IOCB for a BA_RJT.
14419 if (aborted
== false) {
14420 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
= FC_RCTL_BA_RJT
;
14421 bf_set(lpfc_vndr_code
, &icmd
->un
.bls_rsp
, 0);
14422 bf_set(lpfc_rsn_expln
, &icmd
->un
.bls_rsp
, FC_BA_RJT_INV_XID
);
14423 bf_set(lpfc_rsn_code
, &icmd
->un
.bls_rsp
, FC_BA_RJT_UNABLE
);
14426 if (fctl
& FC_FC_EX_CTX
) {
14427 /* ABTS sent by responder to CT exchange, construction
14428 * of BA_ACC will use OX_ID from ABTS for the XRI_TAG
14429 * field and RX_ID from ABTS for RX_ID field.
14431 bf_set(lpfc_abts_orig
, &icmd
->un
.bls_rsp
, LPFC_ABTS_UNSOL_RSP
);
14433 /* ABTS sent by initiator to CT exchange, construction
14434 * of BA_ACC will need to allocate a new XRI as for the
14437 bf_set(lpfc_abts_orig
, &icmd
->un
.bls_rsp
, LPFC_ABTS_UNSOL_INT
);
14439 bf_set(lpfc_abts_rxid
, &icmd
->un
.bls_rsp
, rxid
);
14440 bf_set(lpfc_abts_oxid
, &icmd
->un
.bls_rsp
, oxid
);
14442 /* Xmit CT abts response on exchange <xid> */
14443 lpfc_printf_vlog(vport
, KERN_INFO
, LOG_ELS
,
14444 "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n",
14445 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
, oxid
, phba
->link_state
);
14447 rc
= lpfc_sli_issue_iocb(phba
, LPFC_ELS_RING
, ctiocb
, 0);
14448 if (rc
== IOCB_ERROR
) {
14449 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_ELS
,
14450 "2925 Failed to issue CT ABTS RSP x%x on "
14451 "xri x%x, Data x%x\n",
14452 icmd
->un
.xseq64
.w5
.hcsw
.Rctl
, oxid
,
14454 lpfc_nlp_put(ndlp
);
14455 ctiocb
->context1
= NULL
;
14456 lpfc_sli_release_iocbq(phba
, ctiocb
);
14461 * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event
14462 * @vport: Pointer to the vport on which this sequence was received
14463 * @dmabuf: pointer to a dmabuf that describes the FC sequence
14465 * This function handles an SLI-4 unsolicited abort event. If the unsolicited
14466 * receive sequence is only partially assembed by the driver, it shall abort
14467 * the partially assembled frames for the sequence. Otherwise, if the
14468 * unsolicited receive sequence has been completely assembled and passed to
14469 * the Upper Layer Protocol (UPL), it then mark the per oxid status for the
14470 * unsolicited sequence has been aborted. After that, it will issue a basic
14471 * accept to accept the abort.
14474 lpfc_sli4_handle_unsol_abort(struct lpfc_vport
*vport
,
14475 struct hbq_dmabuf
*dmabuf
)
14477 struct lpfc_hba
*phba
= vport
->phba
;
14478 struct fc_frame_header fc_hdr
;
14482 /* Make a copy of fc_hdr before the dmabuf being released */
14483 memcpy(&fc_hdr
, dmabuf
->hbuf
.virt
, sizeof(struct fc_frame_header
));
14484 fctl
= sli4_fctl_from_fc_hdr(&fc_hdr
);
14486 if (fctl
& FC_FC_EX_CTX
) {
14487 /* ABTS by responder to exchange, no cleanup needed */
14490 /* ABTS by initiator to exchange, need to do cleanup */
14491 aborted
= lpfc_sli4_abort_partial_seq(vport
, dmabuf
);
14492 if (aborted
== false)
14493 aborted
= lpfc_sli4_abort_ulp_seq(vport
, dmabuf
);
14495 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
14497 /* Respond with BA_ACC or BA_RJT accordingly */
14498 lpfc_sli4_seq_abort_rsp(vport
, &fc_hdr
, aborted
);
14502 * lpfc_seq_complete - Indicates if a sequence is complete
14503 * @dmabuf: pointer to a dmabuf that describes the FC sequence
14505 * This function checks the sequence, starting with the frame described by
14506 * @dmabuf, to see if all the frames associated with this sequence are present.
14507 * the frames associated with this sequence are linked to the @dmabuf using the
14508 * dbuf list. This function looks for two major things. 1) That the first frame
14509 * has a sequence count of zero. 2) There is a frame with last frame of sequence
14510 * set. 3) That there are no holes in the sequence count. The function will
14511 * return 1 when the sequence is complete, otherwise it will return 0.
14514 lpfc_seq_complete(struct hbq_dmabuf
*dmabuf
)
14516 struct fc_frame_header
*hdr
;
14517 struct lpfc_dmabuf
*d_buf
;
14518 struct hbq_dmabuf
*seq_dmabuf
;
14522 hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
14523 /* make sure first fame of sequence has a sequence count of zero */
14524 if (hdr
->fh_seq_cnt
!= seq_count
)
14526 fctl
= (hdr
->fh_f_ctl
[0] << 16 |
14527 hdr
->fh_f_ctl
[1] << 8 |
14529 /* If last frame of sequence we can return success. */
14530 if (fctl
& FC_FC_END_SEQ
)
14532 list_for_each_entry(d_buf
, &dmabuf
->dbuf
.list
, list
) {
14533 seq_dmabuf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
14534 hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
14535 /* If there is a hole in the sequence count then fail. */
14536 if (++seq_count
!= be16_to_cpu(hdr
->fh_seq_cnt
))
14538 fctl
= (hdr
->fh_f_ctl
[0] << 16 |
14539 hdr
->fh_f_ctl
[1] << 8 |
14541 /* If last frame of sequence we can return success. */
14542 if (fctl
& FC_FC_END_SEQ
)
14549 * lpfc_prep_seq - Prep sequence for ULP processing
14550 * @vport: Pointer to the vport on which this sequence was received
14551 * @dmabuf: pointer to a dmabuf that describes the FC sequence
14553 * This function takes a sequence, described by a list of frames, and creates
14554 * a list of iocbq structures to describe the sequence. This iocbq list will be
14555 * used to issue to the generic unsolicited sequence handler. This routine
14556 * returns a pointer to the first iocbq in the list. If the function is unable
14557 * to allocate an iocbq then it throw out the received frames that were not
14558 * able to be described and return a pointer to the first iocbq. If unable to
14559 * allocate any iocbqs (including the first) this function will return NULL.
14561 static struct lpfc_iocbq
*
14562 lpfc_prep_seq(struct lpfc_vport
*vport
, struct hbq_dmabuf
*seq_dmabuf
)
14564 struct hbq_dmabuf
*hbq_buf
;
14565 struct lpfc_dmabuf
*d_buf
, *n_buf
;
14566 struct lpfc_iocbq
*first_iocbq
, *iocbq
;
14567 struct fc_frame_header
*fc_hdr
;
14569 uint32_t len
, tot_len
;
14570 struct ulp_bde64
*pbde
;
14572 fc_hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
14573 /* remove from receive buffer list */
14574 list_del_init(&seq_dmabuf
->hbuf
.list
);
14575 lpfc_update_rcv_time_stamp(vport
);
14576 /* get the Remote Port's SID */
14577 sid
= sli4_sid_from_fc_hdr(fc_hdr
);
14579 /* Get an iocbq struct to fill in. */
14580 first_iocbq
= lpfc_sli_get_iocbq(vport
->phba
);
14582 /* Initialize the first IOCB. */
14583 first_iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= 0;
14584 first_iocbq
->iocb
.ulpStatus
= IOSTAT_SUCCESS
;
14586 /* Check FC Header to see what TYPE of frame we are rcv'ing */
14587 if (sli4_type_from_fc_hdr(fc_hdr
) == FC_TYPE_ELS
) {
14588 first_iocbq
->iocb
.ulpCommand
= CMD_IOCB_RCV_ELS64_CX
;
14589 first_iocbq
->iocb
.un
.rcvels
.parmRo
=
14590 sli4_did_from_fc_hdr(fc_hdr
);
14591 first_iocbq
->iocb
.ulpPU
= PARM_NPIV_DID
;
14593 first_iocbq
->iocb
.ulpCommand
= CMD_IOCB_RCV_SEQ64_CX
;
14594 first_iocbq
->iocb
.ulpContext
= NO_XRI
;
14595 first_iocbq
->iocb
.unsli3
.rcvsli3
.ox_id
=
14596 be16_to_cpu(fc_hdr
->fh_ox_id
);
14597 /* iocbq is prepped for internal consumption. Physical vpi. */
14598 first_iocbq
->iocb
.unsli3
.rcvsli3
.vpi
=
14599 vport
->phba
->vpi_ids
[vport
->vpi
];
14600 /* put the first buffer into the first IOCBq */
14601 first_iocbq
->context2
= &seq_dmabuf
->dbuf
;
14602 first_iocbq
->context3
= NULL
;
14603 first_iocbq
->iocb
.ulpBdeCount
= 1;
14604 first_iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
=
14605 LPFC_DATA_BUF_SIZE
;
14606 first_iocbq
->iocb
.un
.rcvels
.remoteID
= sid
;
14607 tot_len
= bf_get(lpfc_rcqe_length
,
14608 &seq_dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
14609 first_iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= tot_len
;
14611 iocbq
= first_iocbq
;
14613 * Each IOCBq can have two Buffers assigned, so go through the list
14614 * of buffers for this sequence and save two buffers in each IOCBq
14616 list_for_each_entry_safe(d_buf
, n_buf
, &seq_dmabuf
->dbuf
.list
, list
) {
14618 lpfc_in_buf_free(vport
->phba
, d_buf
);
14621 if (!iocbq
->context3
) {
14622 iocbq
->context3
= d_buf
;
14623 iocbq
->iocb
.ulpBdeCount
++;
14624 pbde
= (struct ulp_bde64
*)
14625 &iocbq
->iocb
.unsli3
.sli3Words
[4];
14626 pbde
->tus
.f
.bdeSize
= LPFC_DATA_BUF_SIZE
;
14628 /* We need to get the size out of the right CQE */
14629 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
14630 len
= bf_get(lpfc_rcqe_length
,
14631 &hbq_buf
->cq_event
.cqe
.rcqe_cmpl
);
14632 iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
+= len
;
14635 iocbq
= lpfc_sli_get_iocbq(vport
->phba
);
14638 first_iocbq
->iocb
.ulpStatus
=
14639 IOSTAT_FCP_RSP_ERROR
;
14640 first_iocbq
->iocb
.un
.ulpWord
[4] =
14641 IOERR_NO_RESOURCES
;
14643 lpfc_in_buf_free(vport
->phba
, d_buf
);
14646 iocbq
->context2
= d_buf
;
14647 iocbq
->context3
= NULL
;
14648 iocbq
->iocb
.ulpBdeCount
= 1;
14649 iocbq
->iocb
.un
.cont64
[0].tus
.f
.bdeSize
=
14650 LPFC_DATA_BUF_SIZE
;
14652 /* We need to get the size out of the right CQE */
14653 hbq_buf
= container_of(d_buf
, struct hbq_dmabuf
, dbuf
);
14654 len
= bf_get(lpfc_rcqe_length
,
14655 &hbq_buf
->cq_event
.cqe
.rcqe_cmpl
);
14657 iocbq
->iocb
.unsli3
.rcvsli3
.acc_len
= tot_len
;
14659 iocbq
->iocb
.un
.rcvels
.remoteID
= sid
;
14660 list_add_tail(&iocbq
->list
, &first_iocbq
->list
);
14663 return first_iocbq
;
14667 lpfc_sli4_send_seq_to_ulp(struct lpfc_vport
*vport
,
14668 struct hbq_dmabuf
*seq_dmabuf
)
14670 struct fc_frame_header
*fc_hdr
;
14671 struct lpfc_iocbq
*iocbq
, *curr_iocb
, *next_iocb
;
14672 struct lpfc_hba
*phba
= vport
->phba
;
14674 fc_hdr
= (struct fc_frame_header
*)seq_dmabuf
->hbuf
.virt
;
14675 iocbq
= lpfc_prep_seq(vport
, seq_dmabuf
);
14677 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14678 "2707 Ring %d handler: Failed to allocate "
14679 "iocb Rctl x%x Type x%x received\n",
14681 fc_hdr
->fh_r_ctl
, fc_hdr
->fh_type
);
14684 if (!lpfc_complete_unsol_iocb(phba
,
14685 &phba
->sli
.ring
[LPFC_ELS_RING
],
14686 iocbq
, fc_hdr
->fh_r_ctl
,
14688 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14689 "2540 Ring %d handler: unexpected Rctl "
14690 "x%x Type x%x received\n",
14692 fc_hdr
->fh_r_ctl
, fc_hdr
->fh_type
);
14694 /* Free iocb created in lpfc_prep_seq */
14695 list_for_each_entry_safe(curr_iocb
, next_iocb
,
14696 &iocbq
->list
, list
) {
14697 list_del_init(&curr_iocb
->list
);
14698 lpfc_sli_release_iocbq(phba
, curr_iocb
);
14700 lpfc_sli_release_iocbq(phba
, iocbq
);
14704 * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware
14705 * @phba: Pointer to HBA context object.
14707 * This function is called with no lock held. This function processes all
14708 * the received buffers and gives it to upper layers when a received buffer
14709 * indicates that it is the final frame in the sequence. The interrupt
14710 * service routine processes received buffers at interrupt contexts and adds
14711 * received dma buffers to the rb_pend_list queue and signals the worker thread.
14712 * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the
14713 * appropriate receive function when the final frame in a sequence is received.
14716 lpfc_sli4_handle_received_buffer(struct lpfc_hba
*phba
,
14717 struct hbq_dmabuf
*dmabuf
)
14719 struct hbq_dmabuf
*seq_dmabuf
;
14720 struct fc_frame_header
*fc_hdr
;
14721 struct lpfc_vport
*vport
;
14725 /* Process each received buffer */
14726 fc_hdr
= (struct fc_frame_header
*)dmabuf
->hbuf
.virt
;
14727 /* check to see if this a valid type of frame */
14728 if (lpfc_fc_frame_check(phba
, fc_hdr
)) {
14729 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
14732 if ((bf_get(lpfc_cqe_code
,
14733 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
) == CQE_CODE_RECEIVE_V1
))
14734 fcfi
= bf_get(lpfc_rcqe_fcf_id_v1
,
14735 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
14737 fcfi
= bf_get(lpfc_rcqe_fcf_id
,
14738 &dmabuf
->cq_event
.cqe
.rcqe_cmpl
);
14740 vport
= lpfc_fc_frame_to_vport(phba
, fc_hdr
, fcfi
);
14742 /* throw out the frame */
14743 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
14747 /* d_id this frame is directed to */
14748 did
= sli4_did_from_fc_hdr(fc_hdr
);
14750 /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */
14751 if (!(vport
->vpi_state
& LPFC_VPI_REGISTERED
) &&
14752 (did
!= Fabric_DID
)) {
14754 * Throw out the frame if we are not pt2pt.
14755 * The pt2pt protocol allows for discovery frames
14756 * to be received without a registered VPI.
14758 if (!(vport
->fc_flag
& FC_PT2PT
) ||
14759 (phba
->link_state
== LPFC_HBA_READY
)) {
14760 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
14765 /* Handle the basic abort sequence (BA_ABTS) event */
14766 if (fc_hdr
->fh_r_ctl
== FC_RCTL_BA_ABTS
) {
14767 lpfc_sli4_handle_unsol_abort(vport
, dmabuf
);
14771 /* Link this frame */
14772 seq_dmabuf
= lpfc_fc_frame_add(vport
, dmabuf
);
14774 /* unable to add frame to vport - throw it out */
14775 lpfc_in_buf_free(phba
, &dmabuf
->dbuf
);
14778 /* If not last frame in sequence continue processing frames. */
14779 if (!lpfc_seq_complete(seq_dmabuf
))
14782 /* Send the complete sequence to the upper layer protocol */
14783 lpfc_sli4_send_seq_to_ulp(vport
, seq_dmabuf
);
14787 * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port
14788 * @phba: pointer to lpfc hba data structure.
14790 * This routine is invoked to post rpi header templates to the
14791 * HBA consistent with the SLI-4 interface spec. This routine
14792 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
14793 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
14795 * This routine does not require any locks. It's usage is expected
14796 * to be driver load or reset recovery when the driver is
14801 * -EIO - The mailbox failed to complete successfully.
14802 * When this error occurs, the driver is not guaranteed
14803 * to have any rpi regions posted to the device and
14804 * must either attempt to repost the regions or take a
14808 lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba
*phba
)
14810 struct lpfc_rpi_hdr
*rpi_page
;
14814 /* SLI4 ports that support extents do not require RPI headers. */
14815 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
14817 if (phba
->sli4_hba
.extents_in_use
)
14820 list_for_each_entry(rpi_page
, &phba
->sli4_hba
.lpfc_rpi_hdr_list
, list
) {
14822 * Assign the rpi headers a physical rpi only if the driver
14823 * has not initialized those resources. A port reset only
14824 * needs the headers posted.
14826 if (bf_get(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
) !=
14828 rpi_page
->start_rpi
= phba
->sli4_hba
.rpi_ids
[lrpi
];
14830 rc
= lpfc_sli4_post_rpi_hdr(phba
, rpi_page
);
14831 if (rc
!= MBX_SUCCESS
) {
14832 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14833 "2008 Error %d posting all rpi "
14841 bf_set(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
,
14842 LPFC_RPI_RSRC_RDY
);
14847 * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port
14848 * @phba: pointer to lpfc hba data structure.
14849 * @rpi_page: pointer to the rpi memory region.
14851 * This routine is invoked to post a single rpi header to the
14852 * HBA consistent with the SLI-4 interface spec. This memory region
14853 * maps up to 64 rpi context regions.
14857 * -ENOMEM - No available memory
14858 * -EIO - The mailbox failed to complete successfully.
14861 lpfc_sli4_post_rpi_hdr(struct lpfc_hba
*phba
, struct lpfc_rpi_hdr
*rpi_page
)
14863 LPFC_MBOXQ_t
*mboxq
;
14864 struct lpfc_mbx_post_hdr_tmpl
*hdr_tmpl
;
14866 uint32_t shdr_status
, shdr_add_status
;
14867 union lpfc_sli4_cfg_shdr
*shdr
;
14869 /* SLI4 ports that support extents do not require RPI headers. */
14870 if (!phba
->sli4_hba
.rpi_hdrs_in_use
)
14872 if (phba
->sli4_hba
.extents_in_use
)
14875 /* The port is notified of the header region via a mailbox command. */
14876 mboxq
= (LPFC_MBOXQ_t
*) mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
14878 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14879 "2001 Unable to allocate memory for issuing "
14880 "SLI_CONFIG_SPECIAL mailbox command\n");
14884 /* Post all rpi memory regions to the port. */
14885 hdr_tmpl
= &mboxq
->u
.mqe
.un
.hdr_tmpl
;
14886 lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
14887 LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE
,
14888 sizeof(struct lpfc_mbx_post_hdr_tmpl
) -
14889 sizeof(struct lpfc_sli4_cfg_mhdr
),
14890 LPFC_SLI4_MBX_EMBED
);
14893 /* Post the physical rpi to the port for this rpi header. */
14894 bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset
, hdr_tmpl
,
14895 rpi_page
->start_rpi
);
14896 bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt
,
14897 hdr_tmpl
, rpi_page
->page_count
);
14899 hdr_tmpl
->rpi_paddr_lo
= putPaddrLow(rpi_page
->dmabuf
->phys
);
14900 hdr_tmpl
->rpi_paddr_hi
= putPaddrHigh(rpi_page
->dmabuf
->phys
);
14901 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
14902 shdr
= (union lpfc_sli4_cfg_shdr
*) &hdr_tmpl
->header
.cfg_shdr
;
14903 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
14904 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
14905 if (rc
!= MBX_TIMEOUT
)
14906 mempool_free(mboxq
, phba
->mbox_mem_pool
);
14907 if (shdr_status
|| shdr_add_status
|| rc
) {
14908 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
14909 "2514 POST_RPI_HDR mailbox failed with "
14910 "status x%x add_status x%x, mbx status x%x\n",
14911 shdr_status
, shdr_add_status
, rc
);
14918 * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range
14919 * @phba: pointer to lpfc hba data structure.
14921 * This routine is invoked to post rpi header templates to the
14922 * HBA consistent with the SLI-4 interface spec. This routine
14923 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
14924 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
14927 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
14928 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
14931 lpfc_sli4_alloc_rpi(struct lpfc_hba
*phba
)
14934 uint16_t max_rpi
, rpi_limit
;
14935 uint16_t rpi_remaining
, lrpi
= 0;
14936 struct lpfc_rpi_hdr
*rpi_hdr
;
14938 max_rpi
= phba
->sli4_hba
.max_cfg_param
.max_rpi
;
14939 rpi_limit
= phba
->sli4_hba
.next_rpi
;
14942 * Fetch the next logical rpi. Because this index is logical,
14943 * the driver starts at 0 each time.
14945 spin_lock_irq(&phba
->hbalock
);
14946 rpi
= find_next_zero_bit(phba
->sli4_hba
.rpi_bmask
, rpi_limit
, 0);
14947 if (rpi
>= rpi_limit
)
14948 rpi
= LPFC_RPI_ALLOC_ERROR
;
14950 set_bit(rpi
, phba
->sli4_hba
.rpi_bmask
);
14951 phba
->sli4_hba
.max_cfg_param
.rpi_used
++;
14952 phba
->sli4_hba
.rpi_count
++;
14956 * Don't try to allocate more rpi header regions if the device limit
14957 * has been exhausted.
14959 if ((rpi
== LPFC_RPI_ALLOC_ERROR
) &&
14960 (phba
->sli4_hba
.rpi_count
>= max_rpi
)) {
14961 spin_unlock_irq(&phba
->hbalock
);
14966 * RPI header postings are not required for SLI4 ports capable of
14969 if (!phba
->sli4_hba
.rpi_hdrs_in_use
) {
14970 spin_unlock_irq(&phba
->hbalock
);
14975 * If the driver is running low on rpi resources, allocate another
14976 * page now. Note that the next_rpi value is used because
14977 * it represents how many are actually in use whereas max_rpi notes
14978 * how many are supported max by the device.
14980 rpi_remaining
= phba
->sli4_hba
.next_rpi
- phba
->sli4_hba
.rpi_count
;
14981 spin_unlock_irq(&phba
->hbalock
);
14982 if (rpi_remaining
< LPFC_RPI_LOW_WATER_MARK
) {
14983 rpi_hdr
= lpfc_sli4_create_rpi_hdr(phba
);
14985 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
14986 "2002 Error Could not grow rpi "
14989 lrpi
= rpi_hdr
->start_rpi
;
14990 rpi_hdr
->start_rpi
= phba
->sli4_hba
.rpi_ids
[lrpi
];
14991 lpfc_sli4_post_rpi_hdr(phba
, rpi_hdr
);
14999 * lpfc_sli4_free_rpi - Release an rpi for reuse.
15000 * @phba: pointer to lpfc hba data structure.
15002 * This routine is invoked to release an rpi to the pool of
15003 * available rpis maintained by the driver.
15006 __lpfc_sli4_free_rpi(struct lpfc_hba
*phba
, int rpi
)
15008 if (test_and_clear_bit(rpi
, phba
->sli4_hba
.rpi_bmask
)) {
15009 phba
->sli4_hba
.rpi_count
--;
15010 phba
->sli4_hba
.max_cfg_param
.rpi_used
--;
15015 * lpfc_sli4_free_rpi - Release an rpi for reuse.
15016 * @phba: pointer to lpfc hba data structure.
15018 * This routine is invoked to release an rpi to the pool of
15019 * available rpis maintained by the driver.
15022 lpfc_sli4_free_rpi(struct lpfc_hba
*phba
, int rpi
)
15024 spin_lock_irq(&phba
->hbalock
);
15025 __lpfc_sli4_free_rpi(phba
, rpi
);
15026 spin_unlock_irq(&phba
->hbalock
);
15030 * lpfc_sli4_remove_rpis - Remove the rpi bitmask region
15031 * @phba: pointer to lpfc hba data structure.
15033 * This routine is invoked to remove the memory region that
15034 * provided rpi via a bitmask.
15037 lpfc_sli4_remove_rpis(struct lpfc_hba
*phba
)
15039 kfree(phba
->sli4_hba
.rpi_bmask
);
15040 kfree(phba
->sli4_hba
.rpi_ids
);
15041 bf_set(lpfc_rpi_rsrc_rdy
, &phba
->sli4_hba
.sli4_flags
, 0);
15045 * lpfc_sli4_resume_rpi - Remove the rpi bitmask region
15046 * @phba: pointer to lpfc hba data structure.
15048 * This routine is invoked to remove the memory region that
15049 * provided rpi via a bitmask.
15052 lpfc_sli4_resume_rpi(struct lpfc_nodelist
*ndlp
,
15053 void (*cmpl
)(struct lpfc_hba
*, LPFC_MBOXQ_t
*), void *arg
)
15055 LPFC_MBOXQ_t
*mboxq
;
15056 struct lpfc_hba
*phba
= ndlp
->phba
;
15059 /* The port is notified of the header region via a mailbox command. */
15060 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15064 /* Post all rpi memory regions to the port. */
15065 lpfc_resume_rpi(mboxq
, ndlp
);
15067 mboxq
->mbox_cmpl
= cmpl
;
15068 mboxq
->context1
= arg
;
15069 mboxq
->context2
= ndlp
;
15071 mboxq
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
15072 mboxq
->vport
= ndlp
->vport
;
15073 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
15074 if (rc
== MBX_NOT_FINISHED
) {
15075 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15076 "2010 Resume RPI Mailbox failed "
15077 "status %d, mbxStatus x%x\n", rc
,
15078 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
15079 mempool_free(mboxq
, phba
->mbox_mem_pool
);
15086 * lpfc_sli4_init_vpi - Initialize a vpi with the port
15087 * @vport: Pointer to the vport for which the vpi is being initialized
15089 * This routine is invoked to activate a vpi with the port.
15093 * -Evalue otherwise
15096 lpfc_sli4_init_vpi(struct lpfc_vport
*vport
)
15098 LPFC_MBOXQ_t
*mboxq
;
15100 int retval
= MBX_SUCCESS
;
15102 struct lpfc_hba
*phba
= vport
->phba
;
15103 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15106 lpfc_init_vpi(phba
, mboxq
, vport
->vpi
);
15107 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mboxq
);
15108 rc
= lpfc_sli_issue_mbox_wait(phba
, mboxq
, mbox_tmo
);
15109 if (rc
!= MBX_SUCCESS
) {
15110 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_SLI
,
15111 "2022 INIT VPI Mailbox failed "
15112 "status %d, mbxStatus x%x\n", rc
,
15113 bf_get(lpfc_mqe_status
, &mboxq
->u
.mqe
));
15116 if (rc
!= MBX_TIMEOUT
)
15117 mempool_free(mboxq
, vport
->phba
->mbox_mem_pool
);
15123 * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler.
15124 * @phba: pointer to lpfc hba data structure.
15125 * @mboxq: Pointer to mailbox object.
15127 * This routine is invoked to manually add a single FCF record. The caller
15128 * must pass a completely initialized FCF_Record. This routine takes
15129 * care of the nonembedded mailbox operations.
15132 lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mboxq
)
15135 union lpfc_sli4_cfg_shdr
*shdr
;
15136 uint32_t shdr_status
, shdr_add_status
;
15138 virt_addr
= mboxq
->sge_array
->addr
[0];
15139 /* The IOCTL status is embedded in the mailbox subheader. */
15140 shdr
= (union lpfc_sli4_cfg_shdr
*) virt_addr
;
15141 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
15142 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
15144 if ((shdr_status
|| shdr_add_status
) &&
15145 (shdr_status
!= STATUS_FCF_IN_USE
))
15146 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15147 "2558 ADD_FCF_RECORD mailbox failed with "
15148 "status x%x add_status x%x\n",
15149 shdr_status
, shdr_add_status
);
15151 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
15155 * lpfc_sli4_add_fcf_record - Manually add an FCF Record.
15156 * @phba: pointer to lpfc hba data structure.
15157 * @fcf_record: pointer to the initialized fcf record to add.
15159 * This routine is invoked to manually add a single FCF record. The caller
15160 * must pass a completely initialized FCF_Record. This routine takes
15161 * care of the nonembedded mailbox operations.
15164 lpfc_sli4_add_fcf_record(struct lpfc_hba
*phba
, struct fcf_record
*fcf_record
)
15167 LPFC_MBOXQ_t
*mboxq
;
15170 dma_addr_t phys_addr
;
15171 struct lpfc_mbx_sge sge
;
15172 uint32_t alloc_len
, req_len
;
15175 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15177 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15178 "2009 Failed to allocate mbox for ADD_FCF cmd\n");
15182 req_len
= sizeof(struct fcf_record
) + sizeof(union lpfc_sli4_cfg_shdr
) +
15185 /* Allocate DMA memory and set up the non-embedded mailbox command */
15186 alloc_len
= lpfc_sli4_config(phba
, mboxq
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15187 LPFC_MBOX_OPCODE_FCOE_ADD_FCF
,
15188 req_len
, LPFC_SLI4_MBX_NEMBED
);
15189 if (alloc_len
< req_len
) {
15190 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15191 "2523 Allocated DMA memory size (x%x) is "
15192 "less than the requested DMA memory "
15193 "size (x%x)\n", alloc_len
, req_len
);
15194 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
15199 * Get the first SGE entry from the non-embedded DMA memory. This
15200 * routine only uses a single SGE.
15202 lpfc_sli4_mbx_sge_get(mboxq
, 0, &sge
);
15203 phys_addr
= getPaddr(sge
.pa_hi
, sge
.pa_lo
);
15204 virt_addr
= mboxq
->sge_array
->addr
[0];
15206 * Configure the FCF record for FCFI 0. This is the driver's
15207 * hardcoded default and gets used in nonFIP mode.
15209 fcfindex
= bf_get(lpfc_fcf_record_fcf_index
, fcf_record
);
15210 bytep
= virt_addr
+ sizeof(union lpfc_sli4_cfg_shdr
);
15211 lpfc_sli_pcimem_bcopy(&fcfindex
, bytep
, sizeof(uint32_t));
15214 * Copy the fcf_index and the FCF Record Data. The data starts after
15215 * the FCoE header plus word10. The data copy needs to be endian
15218 bytep
+= sizeof(uint32_t);
15219 lpfc_sli_pcimem_bcopy(fcf_record
, bytep
, sizeof(struct fcf_record
));
15220 mboxq
->vport
= phba
->pport
;
15221 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_add_fcf_record
;
15222 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
15223 if (rc
== MBX_NOT_FINISHED
) {
15224 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15225 "2515 ADD_FCF_RECORD mailbox failed with "
15226 "status 0x%x\n", rc
);
15227 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
15236 * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record.
15237 * @phba: pointer to lpfc hba data structure.
15238 * @fcf_record: pointer to the fcf record to write the default data.
15239 * @fcf_index: FCF table entry index.
15241 * This routine is invoked to build the driver's default FCF record. The
15242 * values used are hardcoded. This routine handles memory initialization.
15246 lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba
*phba
,
15247 struct fcf_record
*fcf_record
,
15248 uint16_t fcf_index
)
15250 memset(fcf_record
, 0, sizeof(struct fcf_record
));
15251 fcf_record
->max_rcv_size
= LPFC_FCOE_MAX_RCV_SIZE
;
15252 fcf_record
->fka_adv_period
= LPFC_FCOE_FKA_ADV_PER
;
15253 fcf_record
->fip_priority
= LPFC_FCOE_FIP_PRIORITY
;
15254 bf_set(lpfc_fcf_record_mac_0
, fcf_record
, phba
->fc_map
[0]);
15255 bf_set(lpfc_fcf_record_mac_1
, fcf_record
, phba
->fc_map
[1]);
15256 bf_set(lpfc_fcf_record_mac_2
, fcf_record
, phba
->fc_map
[2]);
15257 bf_set(lpfc_fcf_record_mac_3
, fcf_record
, LPFC_FCOE_FCF_MAC3
);
15258 bf_set(lpfc_fcf_record_mac_4
, fcf_record
, LPFC_FCOE_FCF_MAC4
);
15259 bf_set(lpfc_fcf_record_mac_5
, fcf_record
, LPFC_FCOE_FCF_MAC5
);
15260 bf_set(lpfc_fcf_record_fc_map_0
, fcf_record
, phba
->fc_map
[0]);
15261 bf_set(lpfc_fcf_record_fc_map_1
, fcf_record
, phba
->fc_map
[1]);
15262 bf_set(lpfc_fcf_record_fc_map_2
, fcf_record
, phba
->fc_map
[2]);
15263 bf_set(lpfc_fcf_record_fcf_valid
, fcf_record
, 1);
15264 bf_set(lpfc_fcf_record_fcf_avail
, fcf_record
, 1);
15265 bf_set(lpfc_fcf_record_fcf_index
, fcf_record
, fcf_index
);
15266 bf_set(lpfc_fcf_record_mac_addr_prov
, fcf_record
,
15267 LPFC_FCF_FPMA
| LPFC_FCF_SPMA
);
15268 /* Set the VLAN bit map */
15269 if (phba
->valid_vlan
) {
15270 fcf_record
->vlan_bitmap
[phba
->vlan_id
/ 8]
15271 = 1 << (phba
->vlan_id
% 8);
15276 * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan.
15277 * @phba: pointer to lpfc hba data structure.
15278 * @fcf_index: FCF table entry offset.
15280 * This routine is invoked to scan the entire FCF table by reading FCF
15281 * record and processing it one at a time starting from the @fcf_index
15282 * for initial FCF discovery or fast FCF failover rediscovery.
15284 * Return 0 if the mailbox command is submitted successfully, none 0
15288 lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
15291 LPFC_MBOXQ_t
*mboxq
;
15293 phba
->fcoe_eventtag_at_fcf_scan
= phba
->fcoe_eventtag
;
15294 phba
->fcoe_cvl_eventtag_attn
= phba
->fcoe_cvl_eventtag
;
15295 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15297 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15298 "2000 Failed to allocate mbox for "
15301 goto fail_fcf_scan
;
15303 /* Construct the read FCF record mailbox command */
15304 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
15307 goto fail_fcf_scan
;
15309 /* Issue the mailbox command asynchronously */
15310 mboxq
->vport
= phba
->pport
;
15311 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_fcf_scan_read_fcf_rec
;
15313 spin_lock_irq(&phba
->hbalock
);
15314 phba
->hba_flag
|= FCF_TS_INPROG
;
15315 spin_unlock_irq(&phba
->hbalock
);
15317 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
15318 if (rc
== MBX_NOT_FINISHED
)
15321 /* Reset eligible FCF count for new scan */
15322 if (fcf_index
== LPFC_FCOE_FCF_GET_FIRST
)
15323 phba
->fcf
.eligible_fcf_cnt
= 0;
15329 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
15330 /* FCF scan failed, clear FCF_TS_INPROG flag */
15331 spin_lock_irq(&phba
->hbalock
);
15332 phba
->hba_flag
&= ~FCF_TS_INPROG
;
15333 spin_unlock_irq(&phba
->hbalock
);
15339 * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf.
15340 * @phba: pointer to lpfc hba data structure.
15341 * @fcf_index: FCF table entry offset.
15343 * This routine is invoked to read an FCF record indicated by @fcf_index
15344 * and to use it for FLOGI roundrobin FCF failover.
15346 * Return 0 if the mailbox command is submitted successfully, none 0
15350 lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
15353 LPFC_MBOXQ_t
*mboxq
;
15355 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15357 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_INIT
,
15358 "2763 Failed to allocate mbox for "
15361 goto fail_fcf_read
;
15363 /* Construct the read FCF record mailbox command */
15364 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
15367 goto fail_fcf_read
;
15369 /* Issue the mailbox command asynchronously */
15370 mboxq
->vport
= phba
->pport
;
15371 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_fcf_rr_read_fcf_rec
;
15372 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
15373 if (rc
== MBX_NOT_FINISHED
)
15379 if (error
&& mboxq
)
15380 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
15385 * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask.
15386 * @phba: pointer to lpfc hba data structure.
15387 * @fcf_index: FCF table entry offset.
15389 * This routine is invoked to read an FCF record indicated by @fcf_index to
15390 * determine whether it's eligible for FLOGI roundrobin failover list.
15392 * Return 0 if the mailbox command is submitted successfully, none 0
15396 lpfc_sli4_read_fcf_rec(struct lpfc_hba
*phba
, uint16_t fcf_index
)
15399 LPFC_MBOXQ_t
*mboxq
;
15401 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15403 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
| LOG_INIT
,
15404 "2758 Failed to allocate mbox for "
15407 goto fail_fcf_read
;
15409 /* Construct the read FCF record mailbox command */
15410 rc
= lpfc_sli4_mbx_read_fcf_rec(phba
, mboxq
, fcf_index
);
15413 goto fail_fcf_read
;
15415 /* Issue the mailbox command asynchronously */
15416 mboxq
->vport
= phba
->pport
;
15417 mboxq
->mbox_cmpl
= lpfc_mbx_cmpl_read_fcf_rec
;
15418 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_NOWAIT
);
15419 if (rc
== MBX_NOT_FINISHED
)
15425 if (error
&& mboxq
)
15426 lpfc_sli4_mbox_cmd_free(phba
, mboxq
);
15431 * lpfc_check_next_fcf_pri
15432 * phba pointer to the lpfc_hba struct for this port.
15433 * This routine is called from the lpfc_sli4_fcf_rr_next_index_get
15434 * routine when the rr_bmask is empty. The FCF indecies are put into the
15435 * rr_bmask based on their priority level. Starting from the highest priority
15436 * to the lowest. The most likely FCF candidate will be in the highest
15437 * priority group. When this routine is called it searches the fcf_pri list for
15438 * next lowest priority group and repopulates the rr_bmask with only those
15441 * 1=success 0=failure
15444 lpfc_check_next_fcf_pri_level(struct lpfc_hba
*phba
)
15446 uint16_t next_fcf_pri
;
15447 uint16_t last_index
;
15448 struct lpfc_fcf_pri
*fcf_pri
;
15452 last_index
= find_first_bit(phba
->fcf
.fcf_rr_bmask
,
15453 LPFC_SLI4_FCF_TBL_INDX_MAX
);
15454 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
15455 "3060 Last IDX %d\n", last_index
);
15456 if (list_empty(&phba
->fcf
.fcf_pri_list
)) {
15457 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
15458 "3061 Last IDX %d\n", last_index
);
15459 return 0; /* Empty rr list */
15463 * Clear the rr_bmask and set all of the bits that are at this
15466 memset(phba
->fcf
.fcf_rr_bmask
, 0,
15467 sizeof(*phba
->fcf
.fcf_rr_bmask
));
15468 spin_lock_irq(&phba
->hbalock
);
15469 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
15470 if (fcf_pri
->fcf_rec
.flag
& LPFC_FCF_FLOGI_FAILED
)
15473 * the 1st priority that has not FLOGI failed
15474 * will be the highest.
15477 next_fcf_pri
= fcf_pri
->fcf_rec
.priority
;
15478 spin_unlock_irq(&phba
->hbalock
);
15479 if (fcf_pri
->fcf_rec
.priority
== next_fcf_pri
) {
15480 rc
= lpfc_sli4_fcf_rr_index_set(phba
,
15481 fcf_pri
->fcf_rec
.fcf_index
);
15485 spin_lock_irq(&phba
->hbalock
);
15488 * if next_fcf_pri was not set above and the list is not empty then
15489 * we have failed flogis on all of them. So reset flogi failed
15490 * and start at the beginning.
15492 if (!next_fcf_pri
&& !list_empty(&phba
->fcf
.fcf_pri_list
)) {
15493 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
15494 fcf_pri
->fcf_rec
.flag
&= ~LPFC_FCF_FLOGI_FAILED
;
15496 * the 1st priority that has not FLOGI failed
15497 * will be the highest.
15500 next_fcf_pri
= fcf_pri
->fcf_rec
.priority
;
15501 spin_unlock_irq(&phba
->hbalock
);
15502 if (fcf_pri
->fcf_rec
.priority
== next_fcf_pri
) {
15503 rc
= lpfc_sli4_fcf_rr_index_set(phba
,
15504 fcf_pri
->fcf_rec
.fcf_index
);
15508 spin_lock_irq(&phba
->hbalock
);
15512 spin_unlock_irq(&phba
->hbalock
);
15517 * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index
15518 * @phba: pointer to lpfc hba data structure.
15520 * This routine is to get the next eligible FCF record index in a round
15521 * robin fashion. If the next eligible FCF record index equals to the
15522 * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
15523 * shall be returned, otherwise, the next eligible FCF record's index
15524 * shall be returned.
15527 lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba
*phba
)
15529 uint16_t next_fcf_index
;
15531 /* Search start from next bit of currently registered FCF index */
15533 next_fcf_index
= (phba
->fcf
.current_rec
.fcf_indx
+ 1) %
15534 LPFC_SLI4_FCF_TBL_INDX_MAX
;
15535 next_fcf_index
= find_next_bit(phba
->fcf
.fcf_rr_bmask
,
15536 LPFC_SLI4_FCF_TBL_INDX_MAX
,
15539 /* Wrap around condition on phba->fcf.fcf_rr_bmask */
15540 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
15542 * If we have wrapped then we need to clear the bits that
15543 * have been tested so that we can detect when we should
15544 * change the priority level.
15546 next_fcf_index
= find_next_bit(phba
->fcf
.fcf_rr_bmask
,
15547 LPFC_SLI4_FCF_TBL_INDX_MAX
, 0);
15551 /* Check roundrobin failover list empty condition */
15552 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
||
15553 next_fcf_index
== phba
->fcf
.current_rec
.fcf_indx
) {
15555 * If next fcf index is not found check if there are lower
15556 * Priority level fcf's in the fcf_priority list.
15557 * Set up the rr_bmask with all of the avaiable fcf bits
15558 * at that level and continue the selection process.
15560 if (lpfc_check_next_fcf_pri_level(phba
))
15561 goto next_priority
;
15562 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
15563 "2844 No roundrobin failover FCF available\n");
15564 if (next_fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
)
15565 return LPFC_FCOE_FCF_NEXT_NONE
;
15567 lpfc_printf_log(phba
, KERN_WARNING
, LOG_FIP
,
15568 "3063 Only FCF available idx %d, flag %x\n",
15570 phba
->fcf
.fcf_pri
[next_fcf_index
].fcf_rec
.flag
);
15571 return next_fcf_index
;
15575 if (next_fcf_index
< LPFC_SLI4_FCF_TBL_INDX_MAX
&&
15576 phba
->fcf
.fcf_pri
[next_fcf_index
].fcf_rec
.flag
&
15577 LPFC_FCF_FLOGI_FAILED
)
15578 goto next_priority
;
15580 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
15581 "2845 Get next roundrobin failover FCF (x%x)\n",
15584 return next_fcf_index
;
15588 * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index
15589 * @phba: pointer to lpfc hba data structure.
15591 * This routine sets the FCF record index in to the eligible bmask for
15592 * roundrobin failover search. It checks to make sure that the index
15593 * does not go beyond the range of the driver allocated bmask dimension
15594 * before setting the bit.
15596 * Returns 0 if the index bit successfully set, otherwise, it returns
15600 lpfc_sli4_fcf_rr_index_set(struct lpfc_hba
*phba
, uint16_t fcf_index
)
15602 if (fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
15603 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
15604 "2610 FCF (x%x) reached driver's book "
15605 "keeping dimension:x%x\n",
15606 fcf_index
, LPFC_SLI4_FCF_TBL_INDX_MAX
);
15609 /* Set the eligible FCF record index bmask */
15610 set_bit(fcf_index
, phba
->fcf
.fcf_rr_bmask
);
15612 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
15613 "2790 Set FCF (x%x) to roundrobin FCF failover "
15614 "bmask\n", fcf_index
);
15620 * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index
15621 * @phba: pointer to lpfc hba data structure.
15623 * This routine clears the FCF record index from the eligible bmask for
15624 * roundrobin failover search. It checks to make sure that the index
15625 * does not go beyond the range of the driver allocated bmask dimension
15626 * before clearing the bit.
15629 lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba
*phba
, uint16_t fcf_index
)
15631 struct lpfc_fcf_pri
*fcf_pri
;
15632 if (fcf_index
>= LPFC_SLI4_FCF_TBL_INDX_MAX
) {
15633 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
15634 "2762 FCF (x%x) reached driver's book "
15635 "keeping dimension:x%x\n",
15636 fcf_index
, LPFC_SLI4_FCF_TBL_INDX_MAX
);
15639 /* Clear the eligible FCF record index bmask */
15640 spin_lock_irq(&phba
->hbalock
);
15641 list_for_each_entry(fcf_pri
, &phba
->fcf
.fcf_pri_list
, list
) {
15642 if (fcf_pri
->fcf_rec
.fcf_index
== fcf_index
) {
15643 list_del_init(&fcf_pri
->list
);
15647 spin_unlock_irq(&phba
->hbalock
);
15648 clear_bit(fcf_index
, phba
->fcf
.fcf_rr_bmask
);
15650 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
15651 "2791 Clear FCF (x%x) from roundrobin failover "
15652 "bmask\n", fcf_index
);
15656 * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
15657 * @phba: pointer to lpfc hba data structure.
15659 * This routine is the completion routine for the rediscover FCF table mailbox
15660 * command. If the mailbox command returned failure, it will try to stop the
15661 * FCF rediscover wait timer.
15664 lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba
*phba
, LPFC_MBOXQ_t
*mbox
)
15666 struct lpfc_mbx_redisc_fcf_tbl
*redisc_fcf
;
15667 uint32_t shdr_status
, shdr_add_status
;
15669 redisc_fcf
= &mbox
->u
.mqe
.un
.redisc_fcf_tbl
;
15671 shdr_status
= bf_get(lpfc_mbox_hdr_status
,
15672 &redisc_fcf
->header
.cfg_shdr
.response
);
15673 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
,
15674 &redisc_fcf
->header
.cfg_shdr
.response
);
15675 if (shdr_status
|| shdr_add_status
) {
15676 lpfc_printf_log(phba
, KERN_ERR
, LOG_FIP
,
15677 "2746 Requesting for FCF rediscovery failed "
15678 "status x%x add_status x%x\n",
15679 shdr_status
, shdr_add_status
);
15680 if (phba
->fcf
.fcf_flag
& FCF_ACVL_DISC
) {
15681 spin_lock_irq(&phba
->hbalock
);
15682 phba
->fcf
.fcf_flag
&= ~FCF_ACVL_DISC
;
15683 spin_unlock_irq(&phba
->hbalock
);
15685 * CVL event triggered FCF rediscover request failed,
15686 * last resort to re-try current registered FCF entry.
15688 lpfc_retry_pport_discovery(phba
);
15690 spin_lock_irq(&phba
->hbalock
);
15691 phba
->fcf
.fcf_flag
&= ~FCF_DEAD_DISC
;
15692 spin_unlock_irq(&phba
->hbalock
);
15694 * DEAD FCF event triggered FCF rediscover request
15695 * failed, last resort to fail over as a link down
15696 * to FCF registration.
15698 lpfc_sli4_fcf_dead_failthrough(phba
);
15701 lpfc_printf_log(phba
, KERN_INFO
, LOG_FIP
,
15702 "2775 Start FCF rediscover quiescent timer\n");
15704 * Start FCF rediscovery wait timer for pending FCF
15705 * before rescan FCF record table.
15707 lpfc_fcf_redisc_wait_start_timer(phba
);
15710 mempool_free(mbox
, phba
->mbox_mem_pool
);
15714 * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port.
15715 * @phba: pointer to lpfc hba data structure.
15717 * This routine is invoked to request for rediscovery of the entire FCF table
15721 lpfc_sli4_redisc_fcf_table(struct lpfc_hba
*phba
)
15723 LPFC_MBOXQ_t
*mbox
;
15724 struct lpfc_mbx_redisc_fcf_tbl
*redisc_fcf
;
15727 /* Cancel retry delay timers to all vports before FCF rediscover */
15728 lpfc_cancel_all_vport_retry_delay_timer(phba
);
15730 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15732 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
15733 "2745 Failed to allocate mbox for "
15734 "requesting FCF rediscover.\n");
15738 length
= (sizeof(struct lpfc_mbx_redisc_fcf_tbl
) -
15739 sizeof(struct lpfc_sli4_cfg_mhdr
));
15740 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_FCOE
,
15741 LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF
,
15742 length
, LPFC_SLI4_MBX_EMBED
);
15744 redisc_fcf
= &mbox
->u
.mqe
.un
.redisc_fcf_tbl
;
15745 /* Set count to 0 for invalidating the entire FCF database */
15746 bf_set(lpfc_mbx_redisc_fcf_count
, redisc_fcf
, 0);
15748 /* Issue the mailbox command asynchronously */
15749 mbox
->vport
= phba
->pport
;
15750 mbox
->mbox_cmpl
= lpfc_mbx_cmpl_redisc_fcf_table
;
15751 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_NOWAIT
);
15753 if (rc
== MBX_NOT_FINISHED
) {
15754 mempool_free(mbox
, phba
->mbox_mem_pool
);
15761 * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event
15762 * @phba: pointer to lpfc hba data structure.
15764 * This function is the failover routine as a last resort to the FCF DEAD
15765 * event when driver failed to perform fast FCF failover.
15768 lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba
*phba
)
15770 uint32_t link_state
;
15773 * Last resort as FCF DEAD event failover will treat this as
15774 * a link down, but save the link state because we don't want
15775 * it to be changed to Link Down unless it is already down.
15777 link_state
= phba
->link_state
;
15778 lpfc_linkdown(phba
);
15779 phba
->link_state
= link_state
;
15781 /* Unregister FCF if no devices connected to it */
15782 lpfc_unregister_unused_fcf(phba
);
15786 * lpfc_sli_get_config_region23 - Get sli3 port region 23 data.
15787 * @phba: pointer to lpfc hba data structure.
15788 * @rgn23_data: pointer to configure region 23 data.
15790 * This function gets SLI3 port configure region 23 data through memory dump
15791 * mailbox command. When it successfully retrieves data, the size of the data
15792 * will be returned, otherwise, 0 will be returned.
15795 lpfc_sli_get_config_region23(struct lpfc_hba
*phba
, char *rgn23_data
)
15797 LPFC_MBOXQ_t
*pmb
= NULL
;
15799 uint32_t offset
= 0;
15805 pmb
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15807 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15808 "2600 failed to allocate mailbox memory\n");
15814 lpfc_dump_mem(phba
, pmb
, offset
, DMP_REGION_23
);
15815 rc
= lpfc_sli_issue_mbox(phba
, pmb
, MBX_POLL
);
15817 if (rc
!= MBX_SUCCESS
) {
15818 lpfc_printf_log(phba
, KERN_INFO
, LOG_INIT
,
15819 "2601 failed to read config "
15820 "region 23, rc 0x%x Status 0x%x\n",
15821 rc
, mb
->mbxStatus
);
15822 mb
->un
.varDmp
.word_cnt
= 0;
15825 * dump mem may return a zero when finished or we got a
15826 * mailbox error, either way we are done.
15828 if (mb
->un
.varDmp
.word_cnt
== 0)
15830 if (mb
->un
.varDmp
.word_cnt
> DMP_RGN23_SIZE
- offset
)
15831 mb
->un
.varDmp
.word_cnt
= DMP_RGN23_SIZE
- offset
;
15833 lpfc_sli_pcimem_bcopy(((uint8_t *)mb
) + DMP_RSP_OFFSET
,
15834 rgn23_data
+ offset
,
15835 mb
->un
.varDmp
.word_cnt
);
15836 offset
+= mb
->un
.varDmp
.word_cnt
;
15837 } while (mb
->un
.varDmp
.word_cnt
&& offset
< DMP_RGN23_SIZE
);
15839 mempool_free(pmb
, phba
->mbox_mem_pool
);
15844 * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data.
15845 * @phba: pointer to lpfc hba data structure.
15846 * @rgn23_data: pointer to configure region 23 data.
15848 * This function gets SLI4 port configure region 23 data through memory dump
15849 * mailbox command. When it successfully retrieves data, the size of the data
15850 * will be returned, otherwise, 0 will be returned.
15853 lpfc_sli4_get_config_region23(struct lpfc_hba
*phba
, char *rgn23_data
)
15855 LPFC_MBOXQ_t
*mboxq
= NULL
;
15856 struct lpfc_dmabuf
*mp
= NULL
;
15857 struct lpfc_mqe
*mqe
;
15858 uint32_t data_length
= 0;
15864 mboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
15866 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15867 "3105 failed to allocate mailbox memory\n");
15871 if (lpfc_sli4_dump_cfg_rg23(phba
, mboxq
))
15873 mqe
= &mboxq
->u
.mqe
;
15874 mp
= (struct lpfc_dmabuf
*) mboxq
->context1
;
15875 rc
= lpfc_sli_issue_mbox(phba
, mboxq
, MBX_POLL
);
15878 data_length
= mqe
->un
.mb_words
[5];
15879 if (data_length
== 0)
15881 if (data_length
> DMP_RGN23_SIZE
) {
15885 lpfc_sli_pcimem_bcopy((char *)mp
->virt
, rgn23_data
, data_length
);
15887 mempool_free(mboxq
, phba
->mbox_mem_pool
);
15889 lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
15892 return data_length
;
15896 * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
15897 * @phba: pointer to lpfc hba data structure.
15899 * This function read region 23 and parse TLV for port status to
15900 * decide if the user disaled the port. If the TLV indicates the
15901 * port is disabled, the hba_flag is set accordingly.
15904 lpfc_sli_read_link_ste(struct lpfc_hba
*phba
)
15906 uint8_t *rgn23_data
= NULL
;
15907 uint32_t if_type
, data_size
, sub_tlv_len
, tlv_offset
;
15908 uint32_t offset
= 0;
15910 /* Get adapter Region 23 data */
15911 rgn23_data
= kzalloc(DMP_RGN23_SIZE
, GFP_KERNEL
);
15915 if (phba
->sli_rev
< LPFC_SLI_REV4
)
15916 data_size
= lpfc_sli_get_config_region23(phba
, rgn23_data
);
15918 if_type
= bf_get(lpfc_sli_intf_if_type
,
15919 &phba
->sli4_hba
.sli_intf
);
15920 if (if_type
== LPFC_SLI_INTF_IF_TYPE_0
)
15922 data_size
= lpfc_sli4_get_config_region23(phba
, rgn23_data
);
15928 /* Check the region signature first */
15929 if (memcmp(&rgn23_data
[offset
], LPFC_REGION23_SIGNATURE
, 4)) {
15930 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15931 "2619 Config region 23 has bad signature\n");
15936 /* Check the data structure version */
15937 if (rgn23_data
[offset
] != LPFC_REGION23_VERSION
) {
15938 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
15939 "2620 Config region 23 has bad version\n");
15944 /* Parse TLV entries in the region */
15945 while (offset
< data_size
) {
15946 if (rgn23_data
[offset
] == LPFC_REGION23_LAST_REC
)
15949 * If the TLV is not driver specific TLV or driver id is
15950 * not linux driver id, skip the record.
15952 if ((rgn23_data
[offset
] != DRIVER_SPECIFIC_TYPE
) ||
15953 (rgn23_data
[offset
+ 2] != LINUX_DRIVER_ID
) ||
15954 (rgn23_data
[offset
+ 3] != 0)) {
15955 offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
15959 /* Driver found a driver specific TLV in the config region */
15960 sub_tlv_len
= rgn23_data
[offset
+ 1] * 4;
15965 * Search for configured port state sub-TLV.
15967 while ((offset
< data_size
) &&
15968 (tlv_offset
< sub_tlv_len
)) {
15969 if (rgn23_data
[offset
] == LPFC_REGION23_LAST_REC
) {
15974 if (rgn23_data
[offset
] != PORT_STE_TYPE
) {
15975 offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
15976 tlv_offset
+= rgn23_data
[offset
+ 1] * 4 + 4;
15980 /* This HBA contains PORT_STE configured */
15981 if (!rgn23_data
[offset
+ 2])
15982 phba
->hba_flag
|= LINK_DISABLED
;
15994 * lpfc_wr_object - write an object to the firmware
15995 * @phba: HBA structure that indicates port to create a queue on.
15996 * @dmabuf_list: list of dmabufs to write to the port.
15997 * @size: the total byte value of the objects to write to the port.
15998 * @offset: the current offset to be used to start the transfer.
16000 * This routine will create a wr_object mailbox command to send to the port.
16001 * the mailbox command will be constructed using the dma buffers described in
16002 * @dmabuf_list to create a list of BDEs. This routine will fill in as many
16003 * BDEs that the imbedded mailbox can support. The @offset variable will be
16004 * used to indicate the starting offset of the transfer and will also return
16005 * the offset after the write object mailbox has completed. @size is used to
16006 * determine the end of the object and whether the eof bit should be set.
16008 * Return 0 is successful and offset will contain the the new offset to use
16009 * for the next write.
16010 * Return negative value for error cases.
16013 lpfc_wr_object(struct lpfc_hba
*phba
, struct list_head
*dmabuf_list
,
16014 uint32_t size
, uint32_t *offset
)
16016 struct lpfc_mbx_wr_object
*wr_object
;
16017 LPFC_MBOXQ_t
*mbox
;
16019 uint32_t shdr_status
, shdr_add_status
;
16021 union lpfc_sli4_cfg_shdr
*shdr
;
16022 struct lpfc_dmabuf
*dmabuf
;
16023 uint32_t written
= 0;
16025 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
16029 lpfc_sli4_config(phba
, mbox
, LPFC_MBOX_SUBSYSTEM_COMMON
,
16030 LPFC_MBOX_OPCODE_WRITE_OBJECT
,
16031 sizeof(struct lpfc_mbx_wr_object
) -
16032 sizeof(struct lpfc_sli4_cfg_mhdr
), LPFC_SLI4_MBX_EMBED
);
16034 wr_object
= (struct lpfc_mbx_wr_object
*)&mbox
->u
.mqe
.un
.wr_object
;
16035 wr_object
->u
.request
.write_offset
= *offset
;
16036 sprintf((uint8_t *)wr_object
->u
.request
.object_name
, "/");
16037 wr_object
->u
.request
.object_name
[0] =
16038 cpu_to_le32(wr_object
->u
.request
.object_name
[0]);
16039 bf_set(lpfc_wr_object_eof
, &wr_object
->u
.request
, 0);
16040 list_for_each_entry(dmabuf
, dmabuf_list
, list
) {
16041 if (i
>= LPFC_MBX_WR_CONFIG_MAX_BDE
|| written
>= size
)
16043 wr_object
->u
.request
.bde
[i
].addrLow
= putPaddrLow(dmabuf
->phys
);
16044 wr_object
->u
.request
.bde
[i
].addrHigh
=
16045 putPaddrHigh(dmabuf
->phys
);
16046 if (written
+ SLI4_PAGE_SIZE
>= size
) {
16047 wr_object
->u
.request
.bde
[i
].tus
.f
.bdeSize
=
16049 written
+= (size
- written
);
16050 bf_set(lpfc_wr_object_eof
, &wr_object
->u
.request
, 1);
16052 wr_object
->u
.request
.bde
[i
].tus
.f
.bdeSize
=
16054 written
+= SLI4_PAGE_SIZE
;
16058 wr_object
->u
.request
.bde_count
= i
;
16059 bf_set(lpfc_wr_object_write_length
, &wr_object
->u
.request
, written
);
16060 if (!phba
->sli4_hba
.intr_enable
)
16061 rc
= lpfc_sli_issue_mbox(phba
, mbox
, MBX_POLL
);
16063 mbox_tmo
= lpfc_mbox_tmo_val(phba
, mbox
);
16064 rc
= lpfc_sli_issue_mbox_wait(phba
, mbox
, mbox_tmo
);
16066 /* The IOCTL status is embedded in the mailbox subheader. */
16067 shdr
= (union lpfc_sli4_cfg_shdr
*) &wr_object
->header
.cfg_shdr
;
16068 shdr_status
= bf_get(lpfc_mbox_hdr_status
, &shdr
->response
);
16069 shdr_add_status
= bf_get(lpfc_mbox_hdr_add_status
, &shdr
->response
);
16070 if (rc
!= MBX_TIMEOUT
)
16071 mempool_free(mbox
, phba
->mbox_mem_pool
);
16072 if (shdr_status
|| shdr_add_status
|| rc
) {
16073 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
16074 "3025 Write Object mailbox failed with "
16075 "status x%x add_status x%x, mbx status x%x\n",
16076 shdr_status
, shdr_add_status
, rc
);
16079 *offset
+= wr_object
->u
.response
.actual_write_length
;
16084 * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
16085 * @vport: pointer to vport data structure.
16087 * This function iterate through the mailboxq and clean up all REG_LOGIN
16088 * and REG_VPI mailbox commands associated with the vport. This function
16089 * is called when driver want to restart discovery of the vport due to
16090 * a Clear Virtual Link event.
16093 lpfc_cleanup_pending_mbox(struct lpfc_vport
*vport
)
16095 struct lpfc_hba
*phba
= vport
->phba
;
16096 LPFC_MBOXQ_t
*mb
, *nextmb
;
16097 struct lpfc_dmabuf
*mp
;
16098 struct lpfc_nodelist
*ndlp
;
16099 struct lpfc_nodelist
*act_mbx_ndlp
= NULL
;
16100 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
16101 LIST_HEAD(mbox_cmd_list
);
16102 uint8_t restart_loop
;
16104 /* Clean up internally queued mailbox commands with the vport */
16105 spin_lock_irq(&phba
->hbalock
);
16106 list_for_each_entry_safe(mb
, nextmb
, &phba
->sli
.mboxq
, list
) {
16107 if (mb
->vport
!= vport
)
16110 if ((mb
->u
.mb
.mbxCommand
!= MBX_REG_LOGIN64
) &&
16111 (mb
->u
.mb
.mbxCommand
!= MBX_REG_VPI
))
16114 list_del(&mb
->list
);
16115 list_add_tail(&mb
->list
, &mbox_cmd_list
);
16117 /* Clean up active mailbox command with the vport */
16118 mb
= phba
->sli
.mbox_active
;
16119 if (mb
&& (mb
->vport
== vport
)) {
16120 if ((mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) ||
16121 (mb
->u
.mb
.mbxCommand
== MBX_REG_VPI
))
16122 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
16123 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
16124 act_mbx_ndlp
= (struct lpfc_nodelist
*)mb
->context2
;
16125 /* Put reference count for delayed processing */
16126 act_mbx_ndlp
= lpfc_nlp_get(act_mbx_ndlp
);
16127 /* Unregister the RPI when mailbox complete */
16128 mb
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
16131 /* Cleanup any mailbox completions which are not yet processed */
16134 list_for_each_entry(mb
, &phba
->sli
.mboxq_cmpl
, list
) {
16136 * If this mailox is already processed or it is
16137 * for another vport ignore it.
16139 if ((mb
->vport
!= vport
) ||
16140 (mb
->mbox_flag
& LPFC_MBX_IMED_UNREG
))
16143 if ((mb
->u
.mb
.mbxCommand
!= MBX_REG_LOGIN64
) &&
16144 (mb
->u
.mb
.mbxCommand
!= MBX_REG_VPI
))
16147 mb
->mbox_cmpl
= lpfc_sli_def_mbox_cmpl
;
16148 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
16149 ndlp
= (struct lpfc_nodelist
*)mb
->context2
;
16150 /* Unregister the RPI when mailbox complete */
16151 mb
->mbox_flag
|= LPFC_MBX_IMED_UNREG
;
16153 spin_unlock_irq(&phba
->hbalock
);
16154 spin_lock(shost
->host_lock
);
16155 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
16156 spin_unlock(shost
->host_lock
);
16157 spin_lock_irq(&phba
->hbalock
);
16161 } while (restart_loop
);
16163 spin_unlock_irq(&phba
->hbalock
);
16165 /* Release the cleaned-up mailbox commands */
16166 while (!list_empty(&mbox_cmd_list
)) {
16167 list_remove_head(&mbox_cmd_list
, mb
, LPFC_MBOXQ_t
, list
);
16168 if (mb
->u
.mb
.mbxCommand
== MBX_REG_LOGIN64
) {
16169 mp
= (struct lpfc_dmabuf
*) (mb
->context1
);
16171 __lpfc_mbuf_free(phba
, mp
->virt
, mp
->phys
);
16174 ndlp
= (struct lpfc_nodelist
*) mb
->context2
;
16175 mb
->context2
= NULL
;
16177 spin_lock(shost
->host_lock
);
16178 ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
16179 spin_unlock(shost
->host_lock
);
16180 lpfc_nlp_put(ndlp
);
16183 mempool_free(mb
, phba
->mbox_mem_pool
);
16186 /* Release the ndlp with the cleaned-up active mailbox command */
16187 if (act_mbx_ndlp
) {
16188 spin_lock(shost
->host_lock
);
16189 act_mbx_ndlp
->nlp_flag
&= ~NLP_IGNR_REG_CMPL
;
16190 spin_unlock(shost
->host_lock
);
16191 lpfc_nlp_put(act_mbx_ndlp
);
16196 * lpfc_drain_txq - Drain the txq
16197 * @phba: Pointer to HBA context object.
16199 * This function attempt to submit IOCBs on the txq
16200 * to the adapter. For SLI4 adapters, the txq contains
16201 * ELS IOCBs that have been deferred because the there
16202 * are no SGLs. This congestion can occur with large
16203 * vport counts during node discovery.
16207 lpfc_drain_txq(struct lpfc_hba
*phba
)
16209 LIST_HEAD(completions
);
16210 struct lpfc_sli_ring
*pring
= &phba
->sli
.ring
[LPFC_ELS_RING
];
16211 struct lpfc_iocbq
*piocbq
= 0;
16212 unsigned long iflags
= 0;
16213 char *fail_msg
= NULL
;
16214 struct lpfc_sglq
*sglq
;
16215 union lpfc_wqe wqe
;
16217 spin_lock_irqsave(&phba
->hbalock
, iflags
);
16218 if (pring
->txq_cnt
> pring
->txq_max
)
16219 pring
->txq_max
= pring
->txq_cnt
;
16221 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
16223 while (pring
->txq_cnt
) {
16224 spin_lock_irqsave(&phba
->hbalock
, iflags
);
16226 piocbq
= lpfc_sli_ringtx_get(phba
, pring
);
16228 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
16229 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
16230 "2823 txq empty and txq_cnt is %d\n ",
16234 sglq
= __lpfc_sli_get_sglq(phba
, piocbq
);
16236 __lpfc_sli_ringtx_put(phba
, pring
, piocbq
);
16237 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
16241 /* The xri and iocb resources secured,
16242 * attempt to issue request
16244 piocbq
->sli4_lxritag
= sglq
->sli4_lxritag
;
16245 piocbq
->sli4_xritag
= sglq
->sli4_xritag
;
16246 if (NO_XRI
== lpfc_sli4_bpl2sgl(phba
, piocbq
, sglq
))
16247 fail_msg
= "to convert bpl to sgl";
16248 else if (lpfc_sli4_iocb2wqe(phba
, piocbq
, &wqe
))
16249 fail_msg
= "to convert iocb to wqe";
16250 else if (lpfc_sli4_wq_put(phba
->sli4_hba
.els_wq
, &wqe
))
16251 fail_msg
= " - Wq is full";
16253 lpfc_sli_ringtxcmpl_put(phba
, pring
, piocbq
);
16256 /* Failed means we can't issue and need to cancel */
16257 lpfc_printf_log(phba
, KERN_ERR
, LOG_SLI
,
16258 "2822 IOCB failed %s iotag 0x%x "
16261 piocbq
->iotag
, piocbq
->sli4_xritag
);
16262 list_add_tail(&piocbq
->list
, &completions
);
16264 spin_unlock_irqrestore(&phba
->hbalock
, iflags
);
16267 /* Cancel all the IOCBs that cannot be issued */
16268 lpfc_sli_cancel_iocbs(phba
, &completions
, IOSTAT_LOCAL_REJECT
,
16269 IOERR_SLI_ABORTED
);
16271 return pring
->txq_cnt
;