2 /*******************************************************************
3 * This file is part of the Emulex Linux Device Driver for *
4 * Fibre Channel Host Bus Adapters. *
5 * Copyright (C) 2017 Broadcom. All Rights Reserved. The term *
6 * “Broadcom” refers to Broadcom Limited and/or its subsidiaries. *
7 * Copyright (C) 2004-2016 Emulex. All rights reserved. *
8 * EMULEX and SLI are trademarks of Emulex. *
10 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
12 * This program is free software; you can redistribute it and/or *
13 * modify it under the terms of version 2 of the GNU General *
14 * Public License as published by the Free Software Foundation. *
15 * This program is distributed in the hope that it will be useful. *
16 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
17 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
18 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
19 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
20 * TO BE LEGALLY INVALID. See the GNU General Public License for *
21 * more details, a copy of which can be found in the file COPYING *
22 * included with this package. *
23 *******************************************************************/
25 #include <linux/blkdev.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
28 #include <linux/delay.h>
29 #include <linux/slab.h>
30 #include <linux/lockdep.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_cmnd.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
36 #include <scsi/scsi_transport_fc.h>
37 #include <scsi/fc/fc_fs.h>
38 #include <linux/aer.h>
40 #include <linux/nvme-fc-driver.h>
45 #include "lpfc_sli4.h"
47 #include "lpfc_disc.h"
49 #include "lpfc_scsi.h"
50 #include "lpfc_nvme.h"
51 #include "lpfc_nvmet.h"
52 #include "lpfc_crtn.h"
53 #include "lpfc_logmsg.h"
54 #include "lpfc_compat.h"
55 #include "lpfc_debugfs.h"
56 #include "lpfc_vport.h"
57 #include "lpfc_version.h"
59 /* There are only four IOCB completion types. */
60 typedef enum _lpfc_iocb_type {
68 /* Provide function prototypes local to this module. */
69 static int lpfc_sli_issue_mbox_s4(struct lpfc_hba *, LPFC_MBOXQ_t *,
71 static int lpfc_sli4_read_rev(struct lpfc_hba *, LPFC_MBOXQ_t *,
72 uint8_t *, uint32_t *);
73 static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *,
75 static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *,
77 static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba *, struct lpfc_queue *,
79 static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *,
81 static void lpfc_sli4_hba_handle_eqe(struct lpfc_hba *, struct lpfc_eqe *,
83 static bool lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba);
84 static bool lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba);
85 static int lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba,
86 struct lpfc_sli_ring *pring,
87 struct lpfc_iocbq *cmdiocb);
90 lpfc_get_iocb_from_iocbq(struct lpfc_iocbq *iocbq)
96 * lpfc_sli4_wq_put - Put a Work Queue Entry on an Work Queue
97 * @q: The Work Queue to operate on.
98 * @wqe: The work Queue Entry to put on the Work queue.
100 * This routine will copy the contents of @wqe to the next available entry on
101 * the @q. This function will then ring the Work Queue Doorbell to signal the
102 * HBA to start processing the Work Queue Entry. This function returns 0 if
103 * successful. If no entries are available on @q then this function will return
105 * The caller is expected to hold the hbalock when calling this routine.
108 lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe)
110 union lpfc_wqe *temp_wqe;
111 struct lpfc_register doorbell;
115 /* sanity check on queue memory */
118 temp_wqe = q->qe[q->host_index].wqe;
120 /* If the host has not yet processed the next entry then we are done */
121 idx = ((q->host_index + 1) % q->entry_count);
122 if (idx == q->hba_index) {
127 /* set consumption flag every once in a while */
128 if (!((q->host_index + 1) % q->entry_repost))
129 bf_set(wqe_wqec, &wqe->generic.wqe_com, 1);
130 if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED)
131 bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id);
132 lpfc_sli_pcimem_bcopy(wqe, temp_wqe, q->entry_size);
133 /* ensure WQE bcopy flushed before doorbell write */
136 /* Update the host index before invoking device */
137 host_index = q->host_index;
143 if (q->db_format == LPFC_DB_LIST_FORMAT) {
144 bf_set(lpfc_wq_db_list_fm_num_posted, &doorbell, 1);
145 bf_set(lpfc_wq_db_list_fm_index, &doorbell, host_index);
146 bf_set(lpfc_wq_db_list_fm_id, &doorbell, q->queue_id);
147 } else if (q->db_format == LPFC_DB_RING_FORMAT) {
148 bf_set(lpfc_wq_db_ring_fm_num_posted, &doorbell, 1);
149 bf_set(lpfc_wq_db_ring_fm_id, &doorbell, q->queue_id);
153 writel(doorbell.word0, q->db_regaddr);
159 * lpfc_sli4_wq_release - Updates internal hba index for WQ
160 * @q: The Work Queue to operate on.
161 * @index: The index to advance the hba index to.
163 * This routine will update the HBA index of a queue to reflect consumption of
164 * Work Queue Entries by the HBA. When the HBA indicates that it has consumed
165 * an entry the host calls this function to update the queue's internal
166 * pointers. This routine returns the number of entries that were consumed by
170 lpfc_sli4_wq_release(struct lpfc_queue *q, uint32_t index)
172 uint32_t released = 0;
174 /* sanity check on queue memory */
178 if (q->hba_index == index)
181 q->hba_index = ((q->hba_index + 1) % q->entry_count);
183 } while (q->hba_index != index);
188 * lpfc_sli4_mq_put - Put a Mailbox Queue Entry on an Mailbox Queue
189 * @q: The Mailbox Queue to operate on.
190 * @wqe: The Mailbox Queue Entry to put on the Work queue.
192 * This routine will copy the contents of @mqe to the next available entry on
193 * the @q. This function will then ring the Work Queue Doorbell to signal the
194 * HBA to start processing the Work Queue Entry. This function returns 0 if
195 * successful. If no entries are available on @q then this function will return
197 * The caller is expected to hold the hbalock when calling this routine.
200 lpfc_sli4_mq_put(struct lpfc_queue *q, struct lpfc_mqe *mqe)
202 struct lpfc_mqe *temp_mqe;
203 struct lpfc_register doorbell;
205 /* sanity check on queue memory */
208 temp_mqe = q->qe[q->host_index].mqe;
210 /* If the host has not yet processed the next entry then we are done */
211 if (((q->host_index + 1) % q->entry_count) == q->hba_index)
213 lpfc_sli_pcimem_bcopy(mqe, temp_mqe, q->entry_size);
214 /* Save off the mailbox pointer for completion */
215 q->phba->mbox = (MAILBOX_t *)temp_mqe;
217 /* Update the host index before invoking device */
218 q->host_index = ((q->host_index + 1) % q->entry_count);
222 bf_set(lpfc_mq_doorbell_num_posted, &doorbell, 1);
223 bf_set(lpfc_mq_doorbell_id, &doorbell, q->queue_id);
224 writel(doorbell.word0, q->phba->sli4_hba.MQDBregaddr);
229 * lpfc_sli4_mq_release - Updates internal hba index for MQ
230 * @q: The Mailbox Queue to operate on.
232 * This routine will update the HBA index of a queue to reflect consumption of
233 * a Mailbox Queue Entry by the HBA. When the HBA indicates that it has consumed
234 * an entry the host calls this function to update the queue's internal
235 * pointers. This routine returns the number of entries that were consumed by
239 lpfc_sli4_mq_release(struct lpfc_queue *q)
241 /* sanity check on queue memory */
245 /* Clear the mailbox pointer for completion */
246 q->phba->mbox = NULL;
247 q->hba_index = ((q->hba_index + 1) % q->entry_count);
252 * lpfc_sli4_eq_get - Gets the next valid EQE from a EQ
253 * @q: The Event Queue to get the first valid EQE from
255 * This routine will get the first valid Event Queue Entry from @q, update
256 * the queue's internal hba index, and return the EQE. If no valid EQEs are in
257 * the Queue (no more work to do), or the Queue is full of EQEs that have been
258 * processed, but not popped back to the HBA then this routine will return NULL.
260 static struct lpfc_eqe *
261 lpfc_sli4_eq_get(struct lpfc_queue *q)
263 struct lpfc_eqe *eqe;
266 /* sanity check on queue memory */
269 eqe = q->qe[q->hba_index].eqe;
271 /* If the next EQE is not valid then we are done */
272 if (!bf_get_le32(lpfc_eqe_valid, eqe))
274 /* If the host has not yet processed the next entry then we are done */
275 idx = ((q->hba_index + 1) % q->entry_count);
276 if (idx == q->host_index)
282 * insert barrier for instruction interlock : data from the hardware
283 * must have the valid bit checked before it can be copied and acted
284 * upon. Speculative instructions were allowing a bcopy at the start
285 * of lpfc_sli4_fp_handle_wcqe(), which is called immediately
286 * after our return, to copy data before the valid bit check above
287 * was done. As such, some of the copied data was stale. The barrier
288 * ensures the check is before any data is copied.
295 * lpfc_sli4_eq_clr_intr - Turn off interrupts from this EQ
296 * @q: The Event Queue to disable interrupts
300 lpfc_sli4_eq_clr_intr(struct lpfc_queue *q)
302 struct lpfc_register doorbell;
305 bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1);
306 bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT);
307 bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell,
308 (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT));
309 bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id);
310 writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr);
314 * lpfc_sli4_eq_release - Indicates the host has finished processing an EQ
315 * @q: The Event Queue that the host has completed processing for.
316 * @arm: Indicates whether the host wants to arms this CQ.
318 * This routine will mark all Event Queue Entries on @q, from the last
319 * known completed entry to the last entry that was processed, as completed
320 * by clearing the valid bit for each completion queue entry. Then it will
321 * notify the HBA, by ringing the doorbell, that the EQEs have been processed.
322 * The internal host index in the @q will be updated by this routine to indicate
323 * that the host has finished processing the entries. The @arm parameter
324 * indicates that the queue should be rearmed when ringing the doorbell.
326 * This function will return the number of EQEs that were popped.
329 lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm)
331 uint32_t released = 0;
332 struct lpfc_eqe *temp_eqe;
333 struct lpfc_register doorbell;
335 /* sanity check on queue memory */
339 /* while there are valid entries */
340 while (q->hba_index != q->host_index) {
341 temp_eqe = q->qe[q->host_index].eqe;
342 bf_set_le32(lpfc_eqe_valid, temp_eqe, 0);
344 q->host_index = ((q->host_index + 1) % q->entry_count);
346 if (unlikely(released == 0 && !arm))
349 /* ring doorbell for number popped */
352 bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1);
353 bf_set(lpfc_eqcq_doorbell_eqci, &doorbell, 1);
355 bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released);
356 bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT);
357 bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell,
358 (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT));
359 bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id);
360 writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr);
361 /* PCI read to flush PCI pipeline on re-arming for INTx mode */
362 if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM))
363 readl(q->phba->sli4_hba.EQCQDBregaddr);
368 * lpfc_sli4_cq_get - Gets the next valid CQE from a CQ
369 * @q: The Completion Queue to get the first valid CQE from
371 * This routine will get the first valid Completion Queue Entry from @q, update
372 * the queue's internal hba index, and return the CQE. If no valid CQEs are in
373 * the Queue (no more work to do), or the Queue is full of CQEs that have been
374 * processed, but not popped back to the HBA then this routine will return NULL.
376 static struct lpfc_cqe *
377 lpfc_sli4_cq_get(struct lpfc_queue *q)
379 struct lpfc_cqe *cqe;
382 /* sanity check on queue memory */
386 /* If the next CQE is not valid then we are done */
387 if (!bf_get_le32(lpfc_cqe_valid, q->qe[q->hba_index].cqe))
389 /* If the host has not yet processed the next entry then we are done */
390 idx = ((q->hba_index + 1) % q->entry_count);
391 if (idx == q->host_index)
394 cqe = q->qe[q->hba_index].cqe;
398 * insert barrier for instruction interlock : data from the hardware
399 * must have the valid bit checked before it can be copied and acted
400 * upon. Given what was seen in lpfc_sli4_cq_get() of speculative
401 * instructions allowing action on content before valid bit checked,
402 * add barrier here as well. May not be needed as "content" is a
403 * single 32-bit entity here (vs multi word structure for cq's).
410 * lpfc_sli4_cq_release - Indicates the host has finished processing a CQ
411 * @q: The Completion Queue that the host has completed processing for.
412 * @arm: Indicates whether the host wants to arms this CQ.
414 * This routine will mark all Completion queue entries on @q, from the last
415 * known completed entry to the last entry that was processed, as completed
416 * by clearing the valid bit for each completion queue entry. Then it will
417 * notify the HBA, by ringing the doorbell, that the CQEs have been processed.
418 * The internal host index in the @q will be updated by this routine to indicate
419 * that the host has finished processing the entries. The @arm parameter
420 * indicates that the queue should be rearmed when ringing the doorbell.
422 * This function will return the number of CQEs that were released.
425 lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm)
427 uint32_t released = 0;
428 struct lpfc_cqe *temp_qe;
429 struct lpfc_register doorbell;
431 /* sanity check on queue memory */
434 /* while there are valid entries */
435 while (q->hba_index != q->host_index) {
436 temp_qe = q->qe[q->host_index].cqe;
437 bf_set_le32(lpfc_cqe_valid, temp_qe, 0);
439 q->host_index = ((q->host_index + 1) % q->entry_count);
441 if (unlikely(released == 0 && !arm))
444 /* ring doorbell for number popped */
447 bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1);
448 bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released);
449 bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION);
450 bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell,
451 (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT));
452 bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id);
453 writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr);
458 * lpfc_sli4_rq_put - Put a Receive Buffer Queue Entry on a Receive Queue
459 * @q: The Header Receive Queue to operate on.
460 * @wqe: The Receive Queue Entry to put on the Receive queue.
462 * This routine will copy the contents of @wqe to the next available entry on
463 * the @q. This function will then ring the Receive Queue Doorbell to signal the
464 * HBA to start processing the Receive Queue Entry. This function returns the
465 * index that the rqe was copied to if successful. If no entries are available
466 * on @q then this function will return -ENOMEM.
467 * The caller is expected to hold the hbalock when calling this routine.
470 lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq,
471 struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe)
473 struct lpfc_rqe *temp_hrqe;
474 struct lpfc_rqe *temp_drqe;
475 struct lpfc_register doorbell;
478 /* sanity check on queue memory */
479 if (unlikely(!hq) || unlikely(!dq))
481 put_index = hq->host_index;
482 temp_hrqe = hq->qe[hq->host_index].rqe;
483 temp_drqe = dq->qe[dq->host_index].rqe;
485 if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ)
487 if (hq->host_index != dq->host_index)
489 /* If the host has not yet processed the next entry then we are done */
490 if (((hq->host_index + 1) % hq->entry_count) == hq->hba_index)
492 lpfc_sli_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size);
493 lpfc_sli_pcimem_bcopy(drqe, temp_drqe, dq->entry_size);
495 /* Update the host index to point to the next slot */
496 hq->host_index = ((hq->host_index + 1) % hq->entry_count);
497 dq->host_index = ((dq->host_index + 1) % dq->entry_count);
499 /* Ring The Header Receive Queue Doorbell */
500 if (!(hq->host_index % hq->entry_repost)) {
502 if (hq->db_format == LPFC_DB_RING_FORMAT) {
503 bf_set(lpfc_rq_db_ring_fm_num_posted, &doorbell,
505 bf_set(lpfc_rq_db_ring_fm_id, &doorbell, hq->queue_id);
506 } else if (hq->db_format == LPFC_DB_LIST_FORMAT) {
507 bf_set(lpfc_rq_db_list_fm_num_posted, &doorbell,
509 bf_set(lpfc_rq_db_list_fm_index, &doorbell,
511 bf_set(lpfc_rq_db_list_fm_id, &doorbell, hq->queue_id);
515 writel(doorbell.word0, hq->db_regaddr);
521 * lpfc_sli4_rq_release - Updates internal hba index for RQ
522 * @q: The Header Receive Queue to operate on.
524 * This routine will update the HBA index of a queue to reflect consumption of
525 * one Receive Queue Entry by the HBA. When the HBA indicates that it has
526 * consumed an entry the host calls this function to update the queue's
527 * internal pointers. This routine returns the number of entries that were
528 * consumed by the HBA.
531 lpfc_sli4_rq_release(struct lpfc_queue *hq, struct lpfc_queue *dq)
533 /* sanity check on queue memory */
534 if (unlikely(!hq) || unlikely(!dq))
537 if ((hq->type != LPFC_HRQ) || (dq->type != LPFC_DRQ))
539 hq->hba_index = ((hq->hba_index + 1) % hq->entry_count);
540 dq->hba_index = ((dq->hba_index + 1) % dq->entry_count);
545 * lpfc_cmd_iocb - Get next command iocb entry in the ring
546 * @phba: Pointer to HBA context object.
547 * @pring: Pointer to driver SLI ring object.
549 * This function returns pointer to next command iocb entry
550 * in the command ring. The caller must hold hbalock to prevent
551 * other threads consume the next command iocb.
552 * SLI-2/SLI-3 provide different sized iocbs.
554 static inline IOCB_t *
555 lpfc_cmd_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
557 return (IOCB_t *) (((char *) pring->sli.sli3.cmdringaddr) +
558 pring->sli.sli3.cmdidx * phba->iocb_cmd_size);
562 * lpfc_resp_iocb - Get next response iocb entry in the ring
563 * @phba: Pointer to HBA context object.
564 * @pring: Pointer to driver SLI ring object.
566 * This function returns pointer to next response iocb entry
567 * in the response ring. The caller must hold hbalock to make sure
568 * that no other thread consume the next response iocb.
569 * SLI-2/SLI-3 provide different sized iocbs.
571 static inline IOCB_t *
572 lpfc_resp_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
574 return (IOCB_t *) (((char *) pring->sli.sli3.rspringaddr) +
575 pring->sli.sli3.rspidx * phba->iocb_rsp_size);
579 * __lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
580 * @phba: Pointer to HBA context object.
582 * This function is called with hbalock held. This function
583 * allocates a new driver iocb object from the iocb pool. If the
584 * allocation is successful, it returns pointer to the newly
585 * allocated iocb object else it returns NULL.
588 __lpfc_sli_get_iocbq(struct lpfc_hba *phba)
590 struct list_head *lpfc_iocb_list = &phba->lpfc_iocb_list;
591 struct lpfc_iocbq * iocbq = NULL;
593 lockdep_assert_held(&phba->hbalock);
595 list_remove_head(lpfc_iocb_list, iocbq, struct lpfc_iocbq, list);
598 if (phba->iocb_cnt > phba->iocb_max)
599 phba->iocb_max = phba->iocb_cnt;
604 * __lpfc_clear_active_sglq - Remove the active sglq for this XRI.
605 * @phba: Pointer to HBA context object.
606 * @xritag: XRI value.
608 * This function clears the sglq pointer from the array of acive
609 * sglq's. The xritag that is passed in is used to index into the
610 * array. Before the xritag can be used it needs to be adjusted
611 * by subtracting the xribase.
613 * Returns sglq ponter = success, NULL = Failure.
616 __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
618 struct lpfc_sglq *sglq;
620 sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag];
621 phba->sli4_hba.lpfc_sglq_active_list[xritag] = NULL;
626 * __lpfc_get_active_sglq - Get the active sglq for this XRI.
627 * @phba: Pointer to HBA context object.
628 * @xritag: XRI value.
630 * This function returns the sglq pointer from the array of acive
631 * sglq's. The xritag that is passed in is used to index into the
632 * array. Before the xritag can be used it needs to be adjusted
633 * by subtracting the xribase.
635 * Returns sglq ponter = success, NULL = Failure.
638 __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
640 struct lpfc_sglq *sglq;
642 sglq = phba->sli4_hba.lpfc_sglq_active_list[xritag];
647 * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap.
648 * @phba: Pointer to HBA context object.
649 * @xritag: xri used in this exchange.
650 * @rrq: The RRQ to be cleared.
654 lpfc_clr_rrq_active(struct lpfc_hba *phba,
656 struct lpfc_node_rrq *rrq)
658 struct lpfc_nodelist *ndlp = NULL;
660 if ((rrq->vport) && NLP_CHK_NODE_ACT(rrq->ndlp))
661 ndlp = lpfc_findnode_did(rrq->vport, rrq->nlp_DID);
663 /* The target DID could have been swapped (cable swap)
664 * we should use the ndlp from the findnode if it is
667 if ((!ndlp) && rrq->ndlp)
673 if (test_and_clear_bit(xritag, ndlp->active_rrqs_xri_bitmap)) {
676 rrq->rrq_stop_time = 0;
679 mempool_free(rrq, phba->rrq_pool);
683 * lpfc_handle_rrq_active - Checks if RRQ has waithed RATOV.
684 * @phba: Pointer to HBA context object.
686 * This function is called with hbalock held. This function
687 * Checks if stop_time (ratov from setting rrq active) has
688 * been reached, if it has and the send_rrq flag is set then
689 * it will call lpfc_send_rrq. If the send_rrq flag is not set
690 * then it will just call the routine to clear the rrq and
691 * free the rrq resource.
692 * The timer is set to the next rrq that is going to expire before
693 * leaving the routine.
697 lpfc_handle_rrq_active(struct lpfc_hba *phba)
699 struct lpfc_node_rrq *rrq;
700 struct lpfc_node_rrq *nextrrq;
701 unsigned long next_time;
702 unsigned long iflags;
705 spin_lock_irqsave(&phba->hbalock, iflags);
706 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
707 next_time = jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov + 1));
708 list_for_each_entry_safe(rrq, nextrrq,
709 &phba->active_rrq_list, list) {
710 if (time_after(jiffies, rrq->rrq_stop_time))
711 list_move(&rrq->list, &send_rrq);
712 else if (time_before(rrq->rrq_stop_time, next_time))
713 next_time = rrq->rrq_stop_time;
715 spin_unlock_irqrestore(&phba->hbalock, iflags);
716 if ((!list_empty(&phba->active_rrq_list)) &&
717 (!(phba->pport->load_flag & FC_UNLOADING)))
718 mod_timer(&phba->rrq_tmr, next_time);
719 list_for_each_entry_safe(rrq, nextrrq, &send_rrq, list) {
720 list_del(&rrq->list);
722 /* this call will free the rrq */
723 lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
724 else if (lpfc_send_rrq(phba, rrq)) {
725 /* if we send the rrq then the completion handler
726 * will clear the bit in the xribitmap.
728 lpfc_clr_rrq_active(phba, rrq->xritag,
735 * lpfc_get_active_rrq - Get the active RRQ for this exchange.
736 * @vport: Pointer to vport context object.
737 * @xri: The xri used in the exchange.
738 * @did: The targets DID for this exchange.
740 * returns NULL = rrq not found in the phba->active_rrq_list.
741 * rrq = rrq for this xri and target.
743 struct lpfc_node_rrq *
744 lpfc_get_active_rrq(struct lpfc_vport *vport, uint16_t xri, uint32_t did)
746 struct lpfc_hba *phba = vport->phba;
747 struct lpfc_node_rrq *rrq;
748 struct lpfc_node_rrq *nextrrq;
749 unsigned long iflags;
751 if (phba->sli_rev != LPFC_SLI_REV4)
753 spin_lock_irqsave(&phba->hbalock, iflags);
754 list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list) {
755 if (rrq->vport == vport && rrq->xritag == xri &&
756 rrq->nlp_DID == did){
757 list_del(&rrq->list);
758 spin_unlock_irqrestore(&phba->hbalock, iflags);
762 spin_unlock_irqrestore(&phba->hbalock, iflags);
767 * lpfc_cleanup_vports_rrqs - Remove and clear the active RRQ for this vport.
768 * @vport: Pointer to vport context object.
769 * @ndlp: Pointer to the lpfc_node_list structure.
770 * If ndlp is NULL Remove all active RRQs for this vport from the
771 * phba->active_rrq_list and clear the rrq.
772 * If ndlp is not NULL then only remove rrqs for this vport & this ndlp.
775 lpfc_cleanup_vports_rrqs(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
778 struct lpfc_hba *phba = vport->phba;
779 struct lpfc_node_rrq *rrq;
780 struct lpfc_node_rrq *nextrrq;
781 unsigned long iflags;
784 if (phba->sli_rev != LPFC_SLI_REV4)
787 lpfc_sli4_vport_delete_els_xri_aborted(vport);
788 lpfc_sli4_vport_delete_fcp_xri_aborted(vport);
790 spin_lock_irqsave(&phba->hbalock, iflags);
791 list_for_each_entry_safe(rrq, nextrrq, &phba->active_rrq_list, list)
792 if ((rrq->vport == vport) && (!ndlp || rrq->ndlp == ndlp))
793 list_move(&rrq->list, &rrq_list);
794 spin_unlock_irqrestore(&phba->hbalock, iflags);
796 list_for_each_entry_safe(rrq, nextrrq, &rrq_list, list) {
797 list_del(&rrq->list);
798 lpfc_clr_rrq_active(phba, rrq->xritag, rrq);
803 * lpfc_test_rrq_active - Test RRQ bit in xri_bitmap.
804 * @phba: Pointer to HBA context object.
805 * @ndlp: Targets nodelist pointer for this exchange.
806 * @xritag the xri in the bitmap to test.
808 * This function is called with hbalock held. This function
809 * returns 0 = rrq not active for this xri
810 * 1 = rrq is valid for this xri.
813 lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
816 lockdep_assert_held(&phba->hbalock);
819 if (!ndlp->active_rrqs_xri_bitmap)
821 if (test_bit(xritag, ndlp->active_rrqs_xri_bitmap))
828 * lpfc_set_rrq_active - set RRQ active bit in xri_bitmap.
829 * @phba: Pointer to HBA context object.
830 * @ndlp: nodelist pointer for this target.
831 * @xritag: xri used in this exchange.
832 * @rxid: Remote Exchange ID.
833 * @send_rrq: Flag used to determine if we should send rrq els cmd.
835 * This function takes the hbalock.
836 * The active bit is always set in the active rrq xri_bitmap even
837 * if there is no slot avaiable for the other rrq information.
839 * returns 0 rrq actived for this xri
840 * < 0 No memory or invalid ndlp.
843 lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp,
844 uint16_t xritag, uint16_t rxid, uint16_t send_rrq)
846 unsigned long iflags;
847 struct lpfc_node_rrq *rrq;
853 if (!phba->cfg_enable_rrq)
856 spin_lock_irqsave(&phba->hbalock, iflags);
857 if (phba->pport->load_flag & FC_UNLOADING) {
858 phba->hba_flag &= ~HBA_RRQ_ACTIVE;
863 * set the active bit even if there is no mem available.
865 if (NLP_CHK_FREE_REQ(ndlp))
868 if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING))
871 if (!ndlp->active_rrqs_xri_bitmap)
874 if (test_and_set_bit(xritag, ndlp->active_rrqs_xri_bitmap))
877 spin_unlock_irqrestore(&phba->hbalock, iflags);
878 rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL);
880 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
881 "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x"
882 " DID:0x%x Send:%d\n",
883 xritag, rxid, ndlp->nlp_DID, send_rrq);
886 if (phba->cfg_enable_rrq == 1)
887 rrq->send_rrq = send_rrq;
890 rrq->xritag = xritag;
891 rrq->rrq_stop_time = jiffies +
892 msecs_to_jiffies(1000 * (phba->fc_ratov + 1));
894 rrq->nlp_DID = ndlp->nlp_DID;
895 rrq->vport = ndlp->vport;
897 spin_lock_irqsave(&phba->hbalock, iflags);
898 empty = list_empty(&phba->active_rrq_list);
899 list_add_tail(&rrq->list, &phba->active_rrq_list);
900 phba->hba_flag |= HBA_RRQ_ACTIVE;
902 lpfc_worker_wake_up(phba);
903 spin_unlock_irqrestore(&phba->hbalock, iflags);
906 spin_unlock_irqrestore(&phba->hbalock, iflags);
907 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
908 "2921 Can't set rrq active xri:0x%x rxid:0x%x"
909 " DID:0x%x Send:%d\n",
910 xritag, rxid, ndlp->nlp_DID, send_rrq);
915 * __lpfc_sli_get_els_sglq - Allocates an iocb object from sgl pool
916 * @phba: Pointer to HBA context object.
917 * @piocb: Pointer to the iocbq.
919 * This function is called with the ring lock held. This function
920 * gets a new driver sglq object from the sglq list. If the
921 * list is not empty then it is successful, it returns pointer to the newly
922 * allocated sglq object else it returns NULL.
924 static struct lpfc_sglq *
925 __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq)
927 struct list_head *lpfc_els_sgl_list = &phba->sli4_hba.lpfc_els_sgl_list;
928 struct lpfc_sglq *sglq = NULL;
929 struct lpfc_sglq *start_sglq = NULL;
930 struct lpfc_scsi_buf *lpfc_cmd;
931 struct lpfc_nodelist *ndlp;
934 lockdep_assert_held(&phba->hbalock);
936 if (piocbq->iocb_flag & LPFC_IO_FCP) {
937 lpfc_cmd = (struct lpfc_scsi_buf *) piocbq->context1;
938 ndlp = lpfc_cmd->rdata->pnode;
939 } else if ((piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) &&
940 !(piocbq->iocb_flag & LPFC_IO_LIBDFC)) {
941 ndlp = piocbq->context_un.ndlp;
942 } else if (piocbq->iocb_flag & LPFC_IO_LIBDFC) {
943 if (piocbq->iocb_flag & LPFC_IO_LOOPBACK)
946 ndlp = piocbq->context_un.ndlp;
948 ndlp = piocbq->context1;
951 spin_lock(&phba->sli4_hba.sgl_list_lock);
952 list_remove_head(lpfc_els_sgl_list, sglq, struct lpfc_sglq, list);
957 if (ndlp && ndlp->active_rrqs_xri_bitmap &&
958 test_bit(sglq->sli4_lxritag,
959 ndlp->active_rrqs_xri_bitmap)) {
960 /* This xri has an rrq outstanding for this DID.
961 * put it back in the list and get another xri.
963 list_add_tail(&sglq->list, lpfc_els_sgl_list);
965 list_remove_head(lpfc_els_sgl_list, sglq,
966 struct lpfc_sglq, list);
967 if (sglq == start_sglq) {
975 phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq;
976 sglq->state = SGL_ALLOCATED;
978 spin_unlock(&phba->sli4_hba.sgl_list_lock);
983 * __lpfc_sli_get_nvmet_sglq - Allocates an iocb object from sgl pool
984 * @phba: Pointer to HBA context object.
985 * @piocb: Pointer to the iocbq.
987 * This function is called with the sgl_list lock held. This function
988 * gets a new driver sglq object from the sglq list. If the
989 * list is not empty then it is successful, it returns pointer to the newly
990 * allocated sglq object else it returns NULL.
993 __lpfc_sli_get_nvmet_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq)
995 struct list_head *lpfc_nvmet_sgl_list;
996 struct lpfc_sglq *sglq = NULL;
998 lpfc_nvmet_sgl_list = &phba->sli4_hba.lpfc_nvmet_sgl_list;
1000 lockdep_assert_held(&phba->sli4_hba.sgl_list_lock);
1002 list_remove_head(lpfc_nvmet_sgl_list, sglq, struct lpfc_sglq, list);
1005 phba->sli4_hba.lpfc_sglq_active_list[sglq->sli4_lxritag] = sglq;
1006 sglq->state = SGL_ALLOCATED;
1011 * lpfc_sli_get_iocbq - Allocates an iocb object from iocb pool
1012 * @phba: Pointer to HBA context object.
1014 * This function is called with no lock held. This function
1015 * allocates a new driver iocb object from the iocb pool. If the
1016 * allocation is successful, it returns pointer to the newly
1017 * allocated iocb object else it returns NULL.
1020 lpfc_sli_get_iocbq(struct lpfc_hba *phba)
1022 struct lpfc_iocbq * iocbq = NULL;
1023 unsigned long iflags;
1025 spin_lock_irqsave(&phba->hbalock, iflags);
1026 iocbq = __lpfc_sli_get_iocbq(phba);
1027 spin_unlock_irqrestore(&phba->hbalock, iflags);
1032 * __lpfc_sli_release_iocbq_s4 - Release iocb to the iocb pool
1033 * @phba: Pointer to HBA context object.
1034 * @iocbq: Pointer to driver iocb object.
1036 * This function is called with hbalock held to release driver
1037 * iocb object to the iocb pool. The iotag in the iocb object
1038 * does not change for each use of the iocb object. This function
1039 * clears all other fields of the iocb object when it is freed.
1040 * The sqlq structure that holds the xritag and phys and virtual
1041 * mappings for the scatter gather list is retrieved from the
1042 * active array of sglq. The get of the sglq pointer also clears
1043 * the entry in the array. If the status of the IO indiactes that
1044 * this IO was aborted then the sglq entry it put on the
1045 * lpfc_abts_els_sgl_list until the CQ_ABORTED_XRI is received. If the
1046 * IO has good status or fails for any other reason then the sglq
1047 * entry is added to the free list (lpfc_els_sgl_list).
1050 __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1052 struct lpfc_sglq *sglq;
1053 size_t start_clean = offsetof(struct lpfc_iocbq, iocb);
1054 unsigned long iflag = 0;
1055 struct lpfc_sli_ring *pring;
1057 lockdep_assert_held(&phba->hbalock);
1059 if (iocbq->sli4_xritag == NO_XRI)
1062 sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_lxritag);
1066 if (iocbq->iocb_flag & LPFC_IO_NVMET) {
1067 spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock,
1069 sglq->state = SGL_FREED;
1071 list_add_tail(&sglq->list,
1072 &phba->sli4_hba.lpfc_nvmet_sgl_list);
1073 spin_unlock_irqrestore(
1074 &phba->sli4_hba.sgl_list_lock, iflag);
1078 pring = phba->sli4_hba.els_wq->pring;
1079 if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) &&
1080 (sglq->state != SGL_XRI_ABORTED)) {
1081 spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock,
1083 list_add(&sglq->list,
1084 &phba->sli4_hba.lpfc_abts_els_sgl_list);
1085 spin_unlock_irqrestore(
1086 &phba->sli4_hba.sgl_list_lock, iflag);
1088 spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock,
1090 sglq->state = SGL_FREED;
1092 list_add_tail(&sglq->list,
1093 &phba->sli4_hba.lpfc_els_sgl_list);
1094 spin_unlock_irqrestore(
1095 &phba->sli4_hba.sgl_list_lock, iflag);
1097 /* Check if TXQ queue needs to be serviced */
1098 if (!list_empty(&pring->txq))
1099 lpfc_worker_wake_up(phba);
1105 * Clean all volatile data fields, preserve iotag and node struct.
1107 memset((char *)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean);
1108 iocbq->sli4_lxritag = NO_XRI;
1109 iocbq->sli4_xritag = NO_XRI;
1110 iocbq->iocb_flag &= ~(LPFC_IO_NVME | LPFC_IO_NVMET |
1112 list_add_tail(&iocbq->list, &phba->lpfc_iocb_list);
1117 * __lpfc_sli_release_iocbq_s3 - Release iocb to the iocb pool
1118 * @phba: Pointer to HBA context object.
1119 * @iocbq: Pointer to driver iocb object.
1121 * This function is called with hbalock held to release driver
1122 * iocb object to the iocb pool. The iotag in the iocb object
1123 * does not change for each use of the iocb object. This function
1124 * clears all other fields of the iocb object when it is freed.
1127 __lpfc_sli_release_iocbq_s3(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1129 size_t start_clean = offsetof(struct lpfc_iocbq, iocb);
1131 lockdep_assert_held(&phba->hbalock);
1134 * Clean all volatile data fields, preserve iotag and node struct.
1136 memset((char*)iocbq + start_clean, 0, sizeof(*iocbq) - start_clean);
1137 iocbq->sli4_xritag = NO_XRI;
1138 list_add_tail(&iocbq->list, &phba->lpfc_iocb_list);
1142 * __lpfc_sli_release_iocbq - Release iocb to the iocb pool
1143 * @phba: Pointer to HBA context object.
1144 * @iocbq: Pointer to driver iocb object.
1146 * This function is called with hbalock held to release driver
1147 * iocb object to the iocb pool. The iotag in the iocb object
1148 * does not change for each use of the iocb object. This function
1149 * clears all other fields of the iocb object when it is freed.
1152 __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1154 lockdep_assert_held(&phba->hbalock);
1156 phba->__lpfc_sli_release_iocbq(phba, iocbq);
1161 * lpfc_sli_release_iocbq - Release iocb to the iocb pool
1162 * @phba: Pointer to HBA context object.
1163 * @iocbq: Pointer to driver iocb object.
1165 * This function is called with no lock held to release the iocb to
1169 lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1171 unsigned long iflags;
1174 * Clean all volatile data fields, preserve iotag and node struct.
1176 spin_lock_irqsave(&phba->hbalock, iflags);
1177 __lpfc_sli_release_iocbq(phba, iocbq);
1178 spin_unlock_irqrestore(&phba->hbalock, iflags);
1182 * lpfc_sli_cancel_iocbs - Cancel all iocbs from a list.
1183 * @phba: Pointer to HBA context object.
1184 * @iocblist: List of IOCBs.
1185 * @ulpstatus: ULP status in IOCB command field.
1186 * @ulpWord4: ULP word-4 in IOCB command field.
1188 * This function is called with a list of IOCBs to cancel. It cancels the IOCB
1189 * on the list by invoking the complete callback function associated with the
1190 * IOCB with the provided @ulpstatus and @ulpword4 set to the IOCB commond
1194 lpfc_sli_cancel_iocbs(struct lpfc_hba *phba, struct list_head *iocblist,
1195 uint32_t ulpstatus, uint32_t ulpWord4)
1197 struct lpfc_iocbq *piocb;
1199 while (!list_empty(iocblist)) {
1200 list_remove_head(iocblist, piocb, struct lpfc_iocbq, list);
1201 if (!piocb->iocb_cmpl)
1202 lpfc_sli_release_iocbq(phba, piocb);
1204 piocb->iocb.ulpStatus = ulpstatus;
1205 piocb->iocb.un.ulpWord[4] = ulpWord4;
1206 (piocb->iocb_cmpl) (phba, piocb, piocb);
1213 * lpfc_sli_iocb_cmd_type - Get the iocb type
1214 * @iocb_cmnd: iocb command code.
1216 * This function is called by ring event handler function to get the iocb type.
1217 * This function translates the iocb command to an iocb command type used to
1218 * decide the final disposition of each completed IOCB.
1219 * The function returns
1220 * LPFC_UNKNOWN_IOCB if it is an unsupported iocb
1221 * LPFC_SOL_IOCB if it is a solicited iocb completion
1222 * LPFC_ABORT_IOCB if it is an abort iocb
1223 * LPFC_UNSOL_IOCB if it is an unsolicited iocb
1225 * The caller is not required to hold any lock.
1227 static lpfc_iocb_type
1228 lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
1230 lpfc_iocb_type type = LPFC_UNKNOWN_IOCB;
1232 if (iocb_cmnd > CMD_MAX_IOCB_CMD)
1235 switch (iocb_cmnd) {
1236 case CMD_XMIT_SEQUENCE_CR:
1237 case CMD_XMIT_SEQUENCE_CX:
1238 case CMD_XMIT_BCAST_CN:
1239 case CMD_XMIT_BCAST_CX:
1240 case CMD_ELS_REQUEST_CR:
1241 case CMD_ELS_REQUEST_CX:
1242 case CMD_CREATE_XRI_CR:
1243 case CMD_CREATE_XRI_CX:
1244 case CMD_GET_RPI_CN:
1245 case CMD_XMIT_ELS_RSP_CX:
1246 case CMD_GET_RPI_CR:
1247 case CMD_FCP_IWRITE_CR:
1248 case CMD_FCP_IWRITE_CX:
1249 case CMD_FCP_IREAD_CR:
1250 case CMD_FCP_IREAD_CX:
1251 case CMD_FCP_ICMND_CR:
1252 case CMD_FCP_ICMND_CX:
1253 case CMD_FCP_TSEND_CX:
1254 case CMD_FCP_TRSP_CX:
1255 case CMD_FCP_TRECEIVE_CX:
1256 case CMD_FCP_AUTO_TRSP_CX:
1257 case CMD_ADAPTER_MSG:
1258 case CMD_ADAPTER_DUMP:
1259 case CMD_XMIT_SEQUENCE64_CR:
1260 case CMD_XMIT_SEQUENCE64_CX:
1261 case CMD_XMIT_BCAST64_CN:
1262 case CMD_XMIT_BCAST64_CX:
1263 case CMD_ELS_REQUEST64_CR:
1264 case CMD_ELS_REQUEST64_CX:
1265 case CMD_FCP_IWRITE64_CR:
1266 case CMD_FCP_IWRITE64_CX:
1267 case CMD_FCP_IREAD64_CR:
1268 case CMD_FCP_IREAD64_CX:
1269 case CMD_FCP_ICMND64_CR:
1270 case CMD_FCP_ICMND64_CX:
1271 case CMD_FCP_TSEND64_CX:
1272 case CMD_FCP_TRSP64_CX:
1273 case CMD_FCP_TRECEIVE64_CX:
1274 case CMD_GEN_REQUEST64_CR:
1275 case CMD_GEN_REQUEST64_CX:
1276 case CMD_XMIT_ELS_RSP64_CX:
1277 case DSSCMD_IWRITE64_CR:
1278 case DSSCMD_IWRITE64_CX:
1279 case DSSCMD_IREAD64_CR:
1280 case DSSCMD_IREAD64_CX:
1281 type = LPFC_SOL_IOCB;
1283 case CMD_ABORT_XRI_CN:
1284 case CMD_ABORT_XRI_CX:
1285 case CMD_CLOSE_XRI_CN:
1286 case CMD_CLOSE_XRI_CX:
1287 case CMD_XRI_ABORTED_CX:
1288 case CMD_ABORT_MXRI64_CN:
1289 case CMD_XMIT_BLS_RSP64_CX:
1290 type = LPFC_ABORT_IOCB;
1292 case CMD_RCV_SEQUENCE_CX:
1293 case CMD_RCV_ELS_REQ_CX:
1294 case CMD_RCV_SEQUENCE64_CX:
1295 case CMD_RCV_ELS_REQ64_CX:
1296 case CMD_ASYNC_STATUS:
1297 case CMD_IOCB_RCV_SEQ64_CX:
1298 case CMD_IOCB_RCV_ELS64_CX:
1299 case CMD_IOCB_RCV_CONT64_CX:
1300 case CMD_IOCB_RET_XRI64_CX:
1301 type = LPFC_UNSOL_IOCB;
1303 case CMD_IOCB_XMIT_MSEQ64_CR:
1304 case CMD_IOCB_XMIT_MSEQ64_CX:
1305 case CMD_IOCB_RCV_SEQ_LIST64_CX:
1306 case CMD_IOCB_RCV_ELS_LIST64_CX:
1307 case CMD_IOCB_CLOSE_EXTENDED_CN:
1308 case CMD_IOCB_ABORT_EXTENDED_CN:
1309 case CMD_IOCB_RET_HBQE64_CN:
1310 case CMD_IOCB_FCP_IBIDIR64_CR:
1311 case CMD_IOCB_FCP_IBIDIR64_CX:
1312 case CMD_IOCB_FCP_ITASKMGT64_CX:
1313 case CMD_IOCB_LOGENTRY_CN:
1314 case CMD_IOCB_LOGENTRY_ASYNC_CN:
1315 printk("%s - Unhandled SLI-3 Command x%x\n",
1316 __func__, iocb_cmnd);
1317 type = LPFC_UNKNOWN_IOCB;
1320 type = LPFC_UNKNOWN_IOCB;
1328 * lpfc_sli_ring_map - Issue config_ring mbox for all rings
1329 * @phba: Pointer to HBA context object.
1331 * This function is called from SLI initialization code
1332 * to configure every ring of the HBA's SLI interface. The
1333 * caller is not required to hold any lock. This function issues
1334 * a config_ring mailbox command for each ring.
1335 * This function returns zero if successful else returns a negative
1339 lpfc_sli_ring_map(struct lpfc_hba *phba)
1341 struct lpfc_sli *psli = &phba->sli;
1346 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
1350 phba->link_state = LPFC_INIT_MBX_CMDS;
1351 for (i = 0; i < psli->num_rings; i++) {
1352 lpfc_config_ring(phba, i, pmb);
1353 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
1354 if (rc != MBX_SUCCESS) {
1355 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
1356 "0446 Adapter failed to init (%d), "
1357 "mbxCmd x%x CFG_RING, mbxStatus x%x, "
1359 rc, pmbox->mbxCommand,
1360 pmbox->mbxStatus, i);
1361 phba->link_state = LPFC_HBA_ERROR;
1366 mempool_free(pmb, phba->mbox_mem_pool);
1371 * lpfc_sli_ringtxcmpl_put - Adds new iocb to the txcmplq
1372 * @phba: Pointer to HBA context object.
1373 * @pring: Pointer to driver SLI ring object.
1374 * @piocb: Pointer to the driver iocb object.
1376 * This function is called with hbalock held. The function adds the
1377 * new iocb to txcmplq of the given ring. This function always returns
1378 * 0. If this function is called for ELS ring, this function checks if
1379 * there is a vport associated with the ELS command. This function also
1380 * starts els_tmofunc timer if this is an ELS command.
1383 lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
1384 struct lpfc_iocbq *piocb)
1386 lockdep_assert_held(&phba->hbalock);
1390 list_add_tail(&piocb->list, &pring->txcmplq);
1391 piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ;
1393 if ((unlikely(pring->ringno == LPFC_ELS_RING)) &&
1394 (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
1395 (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) {
1396 BUG_ON(!piocb->vport);
1397 if (!(piocb->vport->load_flag & FC_UNLOADING))
1398 mod_timer(&piocb->vport->els_tmofunc,
1400 msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
1407 * lpfc_sli_ringtx_get - Get first element of the txq
1408 * @phba: Pointer to HBA context object.
1409 * @pring: Pointer to driver SLI ring object.
1411 * This function is called with hbalock held to get next
1412 * iocb in txq of the given ring. If there is any iocb in
1413 * the txq, the function returns first iocb in the list after
1414 * removing the iocb from the list, else it returns NULL.
1417 lpfc_sli_ringtx_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1419 struct lpfc_iocbq *cmd_iocb;
1421 lockdep_assert_held(&phba->hbalock);
1423 list_remove_head((&pring->txq), cmd_iocb, struct lpfc_iocbq, list);
1428 * lpfc_sli_next_iocb_slot - Get next iocb slot in the ring
1429 * @phba: Pointer to HBA context object.
1430 * @pring: Pointer to driver SLI ring object.
1432 * This function is called with hbalock held and the caller must post the
1433 * iocb without releasing the lock. If the caller releases the lock,
1434 * iocb slot returned by the function is not guaranteed to be available.
1435 * The function returns pointer to the next available iocb slot if there
1436 * is available slot in the ring, else it returns NULL.
1437 * If the get index of the ring is ahead of the put index, the function
1438 * will post an error attention event to the worker thread to take the
1439 * HBA to offline state.
1442 lpfc_sli_next_iocb_slot (struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1444 struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
1445 uint32_t max_cmd_idx = pring->sli.sli3.numCiocb;
1447 lockdep_assert_held(&phba->hbalock);
1449 if ((pring->sli.sli3.next_cmdidx == pring->sli.sli3.cmdidx) &&
1450 (++pring->sli.sli3.next_cmdidx >= max_cmd_idx))
1451 pring->sli.sli3.next_cmdidx = 0;
1453 if (unlikely(pring->sli.sli3.local_getidx ==
1454 pring->sli.sli3.next_cmdidx)) {
1456 pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx);
1458 if (unlikely(pring->sli.sli3.local_getidx >= max_cmd_idx)) {
1459 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
1460 "0315 Ring %d issue: portCmdGet %d "
1461 "is bigger than cmd ring %d\n",
1463 pring->sli.sli3.local_getidx,
1466 phba->link_state = LPFC_HBA_ERROR;
1468 * All error attention handlers are posted to
1471 phba->work_ha |= HA_ERATT;
1472 phba->work_hs = HS_FFER3;
1474 lpfc_worker_wake_up(phba);
1479 if (pring->sli.sli3.local_getidx == pring->sli.sli3.next_cmdidx)
1483 return lpfc_cmd_iocb(phba, pring);
1487 * lpfc_sli_next_iotag - Get an iotag for the iocb
1488 * @phba: Pointer to HBA context object.
1489 * @iocbq: Pointer to driver iocb object.
1491 * This function gets an iotag for the iocb. If there is no unused iotag and
1492 * the iocbq_lookup_len < 0xffff, this function allocates a bigger iotag_lookup
1493 * array and assigns a new iotag.
1494 * The function returns the allocated iotag if successful, else returns zero.
1495 * Zero is not a valid iotag.
1496 * The caller is not required to hold any lock.
1499 lpfc_sli_next_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
1501 struct lpfc_iocbq **new_arr;
1502 struct lpfc_iocbq **old_arr;
1504 struct lpfc_sli *psli = &phba->sli;
1507 spin_lock_irq(&phba->hbalock);
1508 iotag = psli->last_iotag;
1509 if(++iotag < psli->iocbq_lookup_len) {
1510 psli->last_iotag = iotag;
1511 psli->iocbq_lookup[iotag] = iocbq;
1512 spin_unlock_irq(&phba->hbalock);
1513 iocbq->iotag = iotag;
1515 } else if (psli->iocbq_lookup_len < (0xffff
1516 - LPFC_IOCBQ_LOOKUP_INCREMENT)) {
1517 new_len = psli->iocbq_lookup_len + LPFC_IOCBQ_LOOKUP_INCREMENT;
1518 spin_unlock_irq(&phba->hbalock);
1519 new_arr = kzalloc(new_len * sizeof (struct lpfc_iocbq *),
1522 spin_lock_irq(&phba->hbalock);
1523 old_arr = psli->iocbq_lookup;
1524 if (new_len <= psli->iocbq_lookup_len) {
1525 /* highly unprobable case */
1527 iotag = psli->last_iotag;
1528 if(++iotag < psli->iocbq_lookup_len) {
1529 psli->last_iotag = iotag;
1530 psli->iocbq_lookup[iotag] = iocbq;
1531 spin_unlock_irq(&phba->hbalock);
1532 iocbq->iotag = iotag;
1535 spin_unlock_irq(&phba->hbalock);
1538 if (psli->iocbq_lookup)
1539 memcpy(new_arr, old_arr,
1540 ((psli->last_iotag + 1) *
1541 sizeof (struct lpfc_iocbq *)));
1542 psli->iocbq_lookup = new_arr;
1543 psli->iocbq_lookup_len = new_len;
1544 psli->last_iotag = iotag;
1545 psli->iocbq_lookup[iotag] = iocbq;
1546 spin_unlock_irq(&phba->hbalock);
1547 iocbq->iotag = iotag;
1552 spin_unlock_irq(&phba->hbalock);
1554 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
1555 "0318 Failed to allocate IOTAG.last IOTAG is %d\n",
1562 * lpfc_sli_submit_iocb - Submit an iocb to the firmware
1563 * @phba: Pointer to HBA context object.
1564 * @pring: Pointer to driver SLI ring object.
1565 * @iocb: Pointer to iocb slot in the ring.
1566 * @nextiocb: Pointer to driver iocb object which need to be
1567 * posted to firmware.
1569 * This function is called with hbalock held to post a new iocb to
1570 * the firmware. This function copies the new iocb to ring iocb slot and
1571 * updates the ring pointers. It adds the new iocb to txcmplq if there is
1572 * a completion call back for this iocb else the function will free the
1576 lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
1577 IOCB_t *iocb, struct lpfc_iocbq *nextiocb)
1579 lockdep_assert_held(&phba->hbalock);
1583 nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0;
1586 if (pring->ringno == LPFC_ELS_RING) {
1587 lpfc_debugfs_slow_ring_trc(phba,
1588 "IOCB cmd ring: wd4:x%08x wd6:x%08x wd7:x%08x",
1589 *(((uint32_t *) &nextiocb->iocb) + 4),
1590 *(((uint32_t *) &nextiocb->iocb) + 6),
1591 *(((uint32_t *) &nextiocb->iocb) + 7));
1595 * Issue iocb command to adapter
1597 lpfc_sli_pcimem_bcopy(&nextiocb->iocb, iocb, phba->iocb_cmd_size);
1599 pring->stats.iocb_cmd++;
1602 * If there is no completion routine to call, we can release the
1603 * IOCB buffer back right now. For IOCBs, like QUE_RING_BUF,
1604 * that have no rsp ring completion, iocb_cmpl MUST be NULL.
1606 if (nextiocb->iocb_cmpl)
1607 lpfc_sli_ringtxcmpl_put(phba, pring, nextiocb);
1609 __lpfc_sli_release_iocbq(phba, nextiocb);
1612 * Let the HBA know what IOCB slot will be the next one the
1613 * driver will put a command into.
1615 pring->sli.sli3.cmdidx = pring->sli.sli3.next_cmdidx;
1616 writel(pring->sli.sli3.cmdidx, &phba->host_gp[pring->ringno].cmdPutInx);
1620 * lpfc_sli_update_full_ring - Update the chip attention register
1621 * @phba: Pointer to HBA context object.
1622 * @pring: Pointer to driver SLI ring object.
1624 * The caller is not required to hold any lock for calling this function.
1625 * This function updates the chip attention bits for the ring to inform firmware
1626 * that there are pending work to be done for this ring and requests an
1627 * interrupt when there is space available in the ring. This function is
1628 * called when the driver is unable to post more iocbs to the ring due
1629 * to unavailability of space in the ring.
1632 lpfc_sli_update_full_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1634 int ringno = pring->ringno;
1636 pring->flag |= LPFC_CALL_RING_AVAILABLE;
1641 * Set ring 'ringno' to SET R0CE_REQ in Chip Att register.
1642 * The HBA will tell us when an IOCB entry is available.
1644 writel((CA_R0ATT|CA_R0CE_REQ) << (ringno*4), phba->CAregaddr);
1645 readl(phba->CAregaddr); /* flush */
1647 pring->stats.iocb_cmd_full++;
1651 * lpfc_sli_update_ring - Update chip attention register
1652 * @phba: Pointer to HBA context object.
1653 * @pring: Pointer to driver SLI ring object.
1655 * This function updates the chip attention register bit for the
1656 * given ring to inform HBA that there is more work to be done
1657 * in this ring. The caller is not required to hold any lock.
1660 lpfc_sli_update_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1662 int ringno = pring->ringno;
1665 * Tell the HBA that there is work to do in this ring.
1667 if (!(phba->sli3_options & LPFC_SLI3_CRP_ENABLED)) {
1669 writel(CA_R0ATT << (ringno * 4), phba->CAregaddr);
1670 readl(phba->CAregaddr); /* flush */
1675 * lpfc_sli_resume_iocb - Process iocbs in the txq
1676 * @phba: Pointer to HBA context object.
1677 * @pring: Pointer to driver SLI ring object.
1679 * This function is called with hbalock held to post pending iocbs
1680 * in the txq to the firmware. This function is called when driver
1681 * detects space available in the ring.
1684 lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
1687 struct lpfc_iocbq *nextiocb;
1689 lockdep_assert_held(&phba->hbalock);
1693 * (a) there is anything on the txq to send
1695 * (c) link attention events can be processed (fcp ring only)
1696 * (d) IOCB processing is not blocked by the outstanding mbox command.
1699 if (lpfc_is_link_up(phba) &&
1700 (!list_empty(&pring->txq)) &&
1701 (pring->ringno != LPFC_FCP_RING ||
1702 phba->sli.sli_flag & LPFC_PROCESS_LA)) {
1704 while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
1705 (nextiocb = lpfc_sli_ringtx_get(phba, pring)))
1706 lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb);
1709 lpfc_sli_update_ring(phba, pring);
1711 lpfc_sli_update_full_ring(phba, pring);
1718 * lpfc_sli_next_hbq_slot - Get next hbq entry for the HBQ
1719 * @phba: Pointer to HBA context object.
1720 * @hbqno: HBQ number.
1722 * This function is called with hbalock held to get the next
1723 * available slot for the given HBQ. If there is free slot
1724 * available for the HBQ it will return pointer to the next available
1725 * HBQ entry else it will return NULL.
1727 static struct lpfc_hbq_entry *
1728 lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno)
1730 struct hbq_s *hbqp = &phba->hbqs[hbqno];
1732 lockdep_assert_held(&phba->hbalock);
1734 if (hbqp->next_hbqPutIdx == hbqp->hbqPutIdx &&
1735 ++hbqp->next_hbqPutIdx >= hbqp->entry_count)
1736 hbqp->next_hbqPutIdx = 0;
1738 if (unlikely(hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)) {
1739 uint32_t raw_index = phba->hbq_get[hbqno];
1740 uint32_t getidx = le32_to_cpu(raw_index);
1742 hbqp->local_hbqGetIdx = getidx;
1744 if (unlikely(hbqp->local_hbqGetIdx >= hbqp->entry_count)) {
1745 lpfc_printf_log(phba, KERN_ERR,
1746 LOG_SLI | LOG_VPORT,
1747 "1802 HBQ %d: local_hbqGetIdx "
1748 "%u is > than hbqp->entry_count %u\n",
1749 hbqno, hbqp->local_hbqGetIdx,
1752 phba->link_state = LPFC_HBA_ERROR;
1756 if (hbqp->local_hbqGetIdx == hbqp->next_hbqPutIdx)
1760 return (struct lpfc_hbq_entry *) phba->hbqs[hbqno].hbq_virt +
1765 * lpfc_sli_hbqbuf_free_all - Free all the hbq buffers
1766 * @phba: Pointer to HBA context object.
1768 * This function is called with no lock held to free all the
1769 * hbq buffers while uninitializing the SLI interface. It also
1770 * frees the HBQ buffers returned by the firmware but not yet
1771 * processed by the upper layers.
1774 lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
1776 struct lpfc_dmabuf *dmabuf, *next_dmabuf;
1777 struct hbq_dmabuf *hbq_buf;
1778 unsigned long flags;
1781 hbq_count = lpfc_sli_hbq_count();
1782 /* Return all memory used by all HBQs */
1783 spin_lock_irqsave(&phba->hbalock, flags);
1784 for (i = 0; i < hbq_count; ++i) {
1785 list_for_each_entry_safe(dmabuf, next_dmabuf,
1786 &phba->hbqs[i].hbq_buffer_list, list) {
1787 hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf);
1788 list_del(&hbq_buf->dbuf.list);
1789 (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf);
1791 phba->hbqs[i].buffer_count = 0;
1794 /* Mark the HBQs not in use */
1795 phba->hbq_in_use = 0;
1796 spin_unlock_irqrestore(&phba->hbalock, flags);
1800 * lpfc_sli_hbq_to_firmware - Post the hbq buffer to firmware
1801 * @phba: Pointer to HBA context object.
1802 * @hbqno: HBQ number.
1803 * @hbq_buf: Pointer to HBQ buffer.
1805 * This function is called with the hbalock held to post a
1806 * hbq buffer to the firmware. If the function finds an empty
1807 * slot in the HBQ, it will post the buffer. The function will return
1808 * pointer to the hbq entry if it successfully post the buffer
1809 * else it will return NULL.
1812 lpfc_sli_hbq_to_firmware(struct lpfc_hba *phba, uint32_t hbqno,
1813 struct hbq_dmabuf *hbq_buf)
1815 lockdep_assert_held(&phba->hbalock);
1816 return phba->lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buf);
1820 * lpfc_sli_hbq_to_firmware_s3 - Post the hbq buffer to SLI3 firmware
1821 * @phba: Pointer to HBA context object.
1822 * @hbqno: HBQ number.
1823 * @hbq_buf: Pointer to HBQ buffer.
1825 * This function is called with the hbalock held to post a hbq buffer to the
1826 * firmware. If the function finds an empty slot in the HBQ, it will post the
1827 * buffer and place it on the hbq_buffer_list. The function will return zero if
1828 * it successfully post the buffer else it will return an error.
1831 lpfc_sli_hbq_to_firmware_s3(struct lpfc_hba *phba, uint32_t hbqno,
1832 struct hbq_dmabuf *hbq_buf)
1834 struct lpfc_hbq_entry *hbqe;
1835 dma_addr_t physaddr = hbq_buf->dbuf.phys;
1837 lockdep_assert_held(&phba->hbalock);
1838 /* Get next HBQ entry slot to use */
1839 hbqe = lpfc_sli_next_hbq_slot(phba, hbqno);
1841 struct hbq_s *hbqp = &phba->hbqs[hbqno];
1843 hbqe->bde.addrHigh = le32_to_cpu(putPaddrHigh(physaddr));
1844 hbqe->bde.addrLow = le32_to_cpu(putPaddrLow(physaddr));
1845 hbqe->bde.tus.f.bdeSize = hbq_buf->total_size;
1846 hbqe->bde.tus.f.bdeFlags = 0;
1847 hbqe->bde.tus.w = le32_to_cpu(hbqe->bde.tus.w);
1848 hbqe->buffer_tag = le32_to_cpu(hbq_buf->tag);
1850 hbqp->hbqPutIdx = hbqp->next_hbqPutIdx;
1851 writel(hbqp->hbqPutIdx, phba->hbq_put + hbqno);
1853 readl(phba->hbq_put + hbqno);
1854 list_add_tail(&hbq_buf->dbuf.list, &hbqp->hbq_buffer_list);
1861 * lpfc_sli_hbq_to_firmware_s4 - Post the hbq buffer to SLI4 firmware
1862 * @phba: Pointer to HBA context object.
1863 * @hbqno: HBQ number.
1864 * @hbq_buf: Pointer to HBQ buffer.
1866 * This function is called with the hbalock held to post an RQE to the SLI4
1867 * firmware. If able to post the RQE to the RQ it will queue the hbq entry to
1868 * the hbq_buffer_list and return zero, otherwise it will return an error.
1871 lpfc_sli_hbq_to_firmware_s4(struct lpfc_hba *phba, uint32_t hbqno,
1872 struct hbq_dmabuf *hbq_buf)
1875 struct lpfc_rqe hrqe;
1876 struct lpfc_rqe drqe;
1877 struct lpfc_queue *hrq;
1878 struct lpfc_queue *drq;
1880 if (hbqno != LPFC_ELS_HBQ)
1882 hrq = phba->sli4_hba.hdr_rq;
1883 drq = phba->sli4_hba.dat_rq;
1885 lockdep_assert_held(&phba->hbalock);
1886 hrqe.address_lo = putPaddrLow(hbq_buf->hbuf.phys);
1887 hrqe.address_hi = putPaddrHigh(hbq_buf->hbuf.phys);
1888 drqe.address_lo = putPaddrLow(hbq_buf->dbuf.phys);
1889 drqe.address_hi = putPaddrHigh(hbq_buf->dbuf.phys);
1890 rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe);
1893 hbq_buf->tag = (rc | (hbqno << 16));
1894 list_add_tail(&hbq_buf->dbuf.list, &phba->hbqs[hbqno].hbq_buffer_list);
1898 /* HBQ for ELS and CT traffic. */
1899 static struct lpfc_hbq_init lpfc_els_hbq = {
1904 .ring_mask = (1 << LPFC_ELS_RING),
1911 struct lpfc_hbq_init *lpfc_hbq_defs[] = {
1916 * lpfc_sli_hbqbuf_fill_hbqs - Post more hbq buffers to HBQ
1917 * @phba: Pointer to HBA context object.
1918 * @hbqno: HBQ number.
1919 * @count: Number of HBQ buffers to be posted.
1921 * This function is called with no lock held to post more hbq buffers to the
1922 * given HBQ. The function returns the number of HBQ buffers successfully
1926 lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
1928 uint32_t i, posted = 0;
1929 unsigned long flags;
1930 struct hbq_dmabuf *hbq_buffer;
1931 LIST_HEAD(hbq_buf_list);
1932 if (!phba->hbqs[hbqno].hbq_alloc_buffer)
1935 if ((phba->hbqs[hbqno].buffer_count + count) >
1936 lpfc_hbq_defs[hbqno]->entry_count)
1937 count = lpfc_hbq_defs[hbqno]->entry_count -
1938 phba->hbqs[hbqno].buffer_count;
1941 /* Allocate HBQ entries */
1942 for (i = 0; i < count; i++) {
1943 hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
1946 list_add_tail(&hbq_buffer->dbuf.list, &hbq_buf_list);
1948 /* Check whether HBQ is still in use */
1949 spin_lock_irqsave(&phba->hbalock, flags);
1950 if (!phba->hbq_in_use)
1952 while (!list_empty(&hbq_buf_list)) {
1953 list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf,
1955 hbq_buffer->tag = (phba->hbqs[hbqno].buffer_count |
1957 if (!lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) {
1958 phba->hbqs[hbqno].buffer_count++;
1961 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
1963 spin_unlock_irqrestore(&phba->hbalock, flags);
1966 spin_unlock_irqrestore(&phba->hbalock, flags);
1967 while (!list_empty(&hbq_buf_list)) {
1968 list_remove_head(&hbq_buf_list, hbq_buffer, struct hbq_dmabuf,
1970 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
1976 * lpfc_sli_hbqbuf_add_hbqs - Post more HBQ buffers to firmware
1977 * @phba: Pointer to HBA context object.
1980 * This function posts more buffers to the HBQ. This function
1981 * is called with no lock held. The function returns the number of HBQ entries
1982 * successfully allocated.
1985 lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno)
1987 if (phba->sli_rev == LPFC_SLI_REV4)
1990 return lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
1991 lpfc_hbq_defs[qno]->add_count);
1995 * lpfc_sli_hbqbuf_init_hbqs - Post initial buffers to the HBQ
1996 * @phba: Pointer to HBA context object.
1997 * @qno: HBQ queue number.
1999 * This function is called from SLI initialization code path with
2000 * no lock held to post initial HBQ buffers to firmware. The
2001 * function returns the number of HBQ entries successfully allocated.
2004 lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno)
2006 if (phba->sli_rev == LPFC_SLI_REV4)
2007 return lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
2008 lpfc_hbq_defs[qno]->entry_count);
2010 return lpfc_sli_hbqbuf_fill_hbqs(phba, qno,
2011 lpfc_hbq_defs[qno]->init_count);
2015 * lpfc_sli_hbqbuf_get - Remove the first hbq off of an hbq list
2016 * @phba: Pointer to HBA context object.
2017 * @hbqno: HBQ number.
2019 * This function removes the first hbq buffer on an hbq list and returns a
2020 * pointer to that buffer. If it finds no buffers on the list it returns NULL.
2022 static struct hbq_dmabuf *
2023 lpfc_sli_hbqbuf_get(struct list_head *rb_list)
2025 struct lpfc_dmabuf *d_buf;
2027 list_remove_head(rb_list, d_buf, struct lpfc_dmabuf, list);
2030 return container_of(d_buf, struct hbq_dmabuf, dbuf);
2034 * lpfc_sli_rqbuf_get - Remove the first dma buffer off of an RQ list
2035 * @phba: Pointer to HBA context object.
2036 * @hbqno: HBQ number.
2038 * This function removes the first RQ buffer on an RQ buffer list and returns a
2039 * pointer to that buffer. If it finds no buffers on the list it returns NULL.
2041 static struct rqb_dmabuf *
2042 lpfc_sli_rqbuf_get(struct lpfc_hba *phba, struct lpfc_queue *hrq)
2044 struct lpfc_dmabuf *h_buf;
2045 struct lpfc_rqb *rqbp;
2048 list_remove_head(&rqbp->rqb_buffer_list, h_buf,
2049 struct lpfc_dmabuf, list);
2052 rqbp->buffer_count--;
2053 return container_of(h_buf, struct rqb_dmabuf, hbuf);
2057 * lpfc_sli_hbqbuf_find - Find the hbq buffer associated with a tag
2058 * @phba: Pointer to HBA context object.
2059 * @tag: Tag of the hbq buffer.
2061 * This function searches for the hbq buffer associated with the given tag in
2062 * the hbq buffer list. If it finds the hbq buffer, it returns the hbq_buffer
2063 * otherwise it returns NULL.
2065 static struct hbq_dmabuf *
2066 lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag)
2068 struct lpfc_dmabuf *d_buf;
2069 struct hbq_dmabuf *hbq_buf;
2073 if (hbqno >= LPFC_MAX_HBQS)
2076 spin_lock_irq(&phba->hbalock);
2077 list_for_each_entry(d_buf, &phba->hbqs[hbqno].hbq_buffer_list, list) {
2078 hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
2079 if (hbq_buf->tag == tag) {
2080 spin_unlock_irq(&phba->hbalock);
2084 spin_unlock_irq(&phba->hbalock);
2085 lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT,
2086 "1803 Bad hbq tag. Data: x%x x%x\n",
2087 tag, phba->hbqs[tag >> 16].buffer_count);
2092 * lpfc_sli_free_hbq - Give back the hbq buffer to firmware
2093 * @phba: Pointer to HBA context object.
2094 * @hbq_buffer: Pointer to HBQ buffer.
2096 * This function is called with hbalock. This function gives back
2097 * the hbq buffer to firmware. If the HBQ does not have space to
2098 * post the buffer, it will free the buffer.
2101 lpfc_sli_free_hbq(struct lpfc_hba *phba, struct hbq_dmabuf *hbq_buffer)
2106 hbqno = hbq_buffer->tag >> 16;
2107 if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer))
2108 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
2113 * lpfc_sli_chk_mbx_command - Check if the mailbox is a legitimate mailbox
2114 * @mbxCommand: mailbox command code.
2116 * This function is called by the mailbox event handler function to verify
2117 * that the completed mailbox command is a legitimate mailbox command. If the
2118 * completed mailbox is not known to the function, it will return MBX_SHUTDOWN
2119 * and the mailbox event handler will take the HBA offline.
2122 lpfc_sli_chk_mbx_command(uint8_t mbxCommand)
2126 switch (mbxCommand) {
2130 case MBX_WRITE_VPARMS:
2131 case MBX_RUN_BIU_DIAG:
2134 case MBX_CONFIG_LINK:
2135 case MBX_CONFIG_RING:
2136 case MBX_RESET_RING:
2137 case MBX_READ_CONFIG:
2138 case MBX_READ_RCONFIG:
2139 case MBX_READ_SPARM:
2140 case MBX_READ_STATUS:
2144 case MBX_READ_LNK_STAT:
2146 case MBX_UNREG_LOGIN:
2148 case MBX_DUMP_MEMORY:
2149 case MBX_DUMP_CONTEXT:
2152 case MBX_UPDATE_CFG:
2154 case MBX_DEL_LD_ENTRY:
2155 case MBX_RUN_PROGRAM:
2157 case MBX_SET_VARIABLE:
2158 case MBX_UNREG_D_ID:
2159 case MBX_KILL_BOARD:
2160 case MBX_CONFIG_FARP:
2163 case MBX_RUN_BIU_DIAG64:
2164 case MBX_CONFIG_PORT:
2165 case MBX_READ_SPARM64:
2166 case MBX_READ_RPI64:
2167 case MBX_REG_LOGIN64:
2168 case MBX_READ_TOPOLOGY:
2171 case MBX_LOAD_EXP_ROM:
2172 case MBX_ASYNCEVT_ENABLE:
2176 case MBX_PORT_CAPABILITIES:
2177 case MBX_PORT_IOV_CONTROL:
2178 case MBX_SLI4_CONFIG:
2179 case MBX_SLI4_REQ_FTRS:
2181 case MBX_UNREG_FCFI:
2186 case MBX_RESUME_RPI:
2187 case MBX_READ_EVENT_LOG_STATUS:
2188 case MBX_READ_EVENT_LOG:
2189 case MBX_SECURITY_MGMT:
2191 case MBX_ACCESS_VDATA:
2202 * lpfc_sli_wake_mbox_wait - lpfc_sli_issue_mbox_wait mbox completion handler
2203 * @phba: Pointer to HBA context object.
2204 * @pmboxq: Pointer to mailbox command.
2206 * This is completion handler function for mailbox commands issued from
2207 * lpfc_sli_issue_mbox_wait function. This function is called by the
2208 * mailbox event handler function with no lock held. This function
2209 * will wake up thread waiting on the wait queue pointed by context1
2213 lpfc_sli_wake_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
2215 wait_queue_head_t *pdone_q;
2216 unsigned long drvr_flag;
2219 * If pdone_q is empty, the driver thread gave up waiting and
2220 * continued running.
2222 pmboxq->mbox_flag |= LPFC_MBX_WAKE;
2223 spin_lock_irqsave(&phba->hbalock, drvr_flag);
2224 pdone_q = (wait_queue_head_t *) pmboxq->context1;
2226 wake_up_interruptible(pdone_q);
2227 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2233 * lpfc_sli_def_mbox_cmpl - Default mailbox completion handler
2234 * @phba: Pointer to HBA context object.
2235 * @pmb: Pointer to mailbox object.
2237 * This function is the default mailbox completion handler. It
2238 * frees the memory resources associated with the completed mailbox
2239 * command. If the completed command is a REG_LOGIN mailbox command,
2240 * this function will issue a UREG_LOGIN to re-claim the RPI.
2243 lpfc_sli_def_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
2245 struct lpfc_vport *vport = pmb->vport;
2246 struct lpfc_dmabuf *mp;
2247 struct lpfc_nodelist *ndlp;
2248 struct Scsi_Host *shost;
2252 mp = (struct lpfc_dmabuf *) (pmb->context1);
2255 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2260 * If a REG_LOGIN succeeded after node is destroyed or node
2261 * is in re-discovery driver need to cleanup the RPI.
2263 if (!(phba->pport->load_flag & FC_UNLOADING) &&
2264 pmb->u.mb.mbxCommand == MBX_REG_LOGIN64 &&
2265 !pmb->u.mb.mbxStatus) {
2266 rpi = pmb->u.mb.un.varWords[0];
2267 vpi = pmb->u.mb.un.varRegLogin.vpi;
2268 lpfc_unreg_login(phba, vpi, rpi, pmb);
2270 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
2271 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
2272 if (rc != MBX_NOT_FINISHED)
2276 if ((pmb->u.mb.mbxCommand == MBX_REG_VPI) &&
2277 !(phba->pport->load_flag & FC_UNLOADING) &&
2278 !pmb->u.mb.mbxStatus) {
2279 shost = lpfc_shost_from_vport(vport);
2280 spin_lock_irq(shost->host_lock);
2281 vport->vpi_state |= LPFC_VPI_REGISTERED;
2282 vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI;
2283 spin_unlock_irq(shost->host_lock);
2286 if (pmb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
2287 ndlp = (struct lpfc_nodelist *)pmb->context2;
2289 pmb->context2 = NULL;
2292 /* Check security permission status on INIT_LINK mailbox command */
2293 if ((pmb->u.mb.mbxCommand == MBX_INIT_LINK) &&
2294 (pmb->u.mb.mbxStatus == MBXERR_SEC_NO_PERMISSION))
2295 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
2296 "2860 SLI authentication is required "
2297 "for INIT_LINK but has not done yet\n");
2299 if (bf_get(lpfc_mqe_command, &pmb->u.mqe) == MBX_SLI4_CONFIG)
2300 lpfc_sli4_mbox_cmd_free(phba, pmb);
2302 mempool_free(pmb, phba->mbox_mem_pool);
2305 * lpfc_sli4_unreg_rpi_cmpl_clr - mailbox completion handler
2306 * @phba: Pointer to HBA context object.
2307 * @pmb: Pointer to mailbox object.
2309 * This function is the unreg rpi mailbox completion handler. It
2310 * frees the memory resources associated with the completed mailbox
2311 * command. An additional refrenece is put on the ndlp to prevent
2312 * lpfc_nlp_release from freeing the rpi bit in the bitmask before
2313 * the unreg mailbox command completes, this routine puts the
2318 lpfc_sli4_unreg_rpi_cmpl_clr(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
2320 struct lpfc_vport *vport = pmb->vport;
2321 struct lpfc_nodelist *ndlp;
2323 ndlp = pmb->context1;
2324 if (pmb->u.mb.mbxCommand == MBX_UNREG_LOGIN) {
2325 if (phba->sli_rev == LPFC_SLI_REV4 &&
2326 (bf_get(lpfc_sli_intf_if_type,
2327 &phba->sli4_hba.sli_intf) ==
2328 LPFC_SLI_INTF_IF_TYPE_2)) {
2330 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
2331 "0010 UNREG_LOGIN vpi:%x "
2332 "rpi:%x DID:%x map:%x %p\n",
2333 vport->vpi, ndlp->nlp_rpi,
2335 ndlp->nlp_usg_map, ndlp);
2336 ndlp->nlp_flag &= ~NLP_LOGO_ACC;
2342 mempool_free(pmb, phba->mbox_mem_pool);
2346 * lpfc_sli_handle_mb_event - Handle mailbox completions from firmware
2347 * @phba: Pointer to HBA context object.
2349 * This function is called with no lock held. This function processes all
2350 * the completed mailbox commands and gives it to upper layers. The interrupt
2351 * service routine processes mailbox completion interrupt and adds completed
2352 * mailbox commands to the mboxq_cmpl queue and signals the worker thread.
2353 * Worker thread call lpfc_sli_handle_mb_event, which will return the
2354 * completed mailbox commands in mboxq_cmpl queue to the upper layers. This
2355 * function returns the mailbox commands to the upper layer by calling the
2356 * completion handler function of each mailbox.
2359 lpfc_sli_handle_mb_event(struct lpfc_hba *phba)
2366 phba->sli.slistat.mbox_event++;
2368 /* Get all completed mailboxe buffers into the cmplq */
2369 spin_lock_irq(&phba->hbalock);
2370 list_splice_init(&phba->sli.mboxq_cmpl, &cmplq);
2371 spin_unlock_irq(&phba->hbalock);
2373 /* Get a Mailbox buffer to setup mailbox commands for callback */
2375 list_remove_head(&cmplq, pmb, LPFC_MBOXQ_t, list);
2381 if (pmbox->mbxCommand != MBX_HEARTBEAT) {
2383 lpfc_debugfs_disc_trc(pmb->vport,
2384 LPFC_DISC_TRC_MBOX_VPORT,
2385 "MBOX cmpl vport: cmd:x%x mb:x%x x%x",
2386 (uint32_t)pmbox->mbxCommand,
2387 pmbox->un.varWords[0],
2388 pmbox->un.varWords[1]);
2391 lpfc_debugfs_disc_trc(phba->pport,
2393 "MBOX cmpl: cmd:x%x mb:x%x x%x",
2394 (uint32_t)pmbox->mbxCommand,
2395 pmbox->un.varWords[0],
2396 pmbox->un.varWords[1]);
2401 * It is a fatal error if unknown mbox command completion.
2403 if (lpfc_sli_chk_mbx_command(pmbox->mbxCommand) ==
2405 /* Unknown mailbox command compl */
2406 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
2407 "(%d):0323 Unknown Mailbox command "
2408 "x%x (x%x/x%x) Cmpl\n",
2409 pmb->vport ? pmb->vport->vpi : 0,
2411 lpfc_sli_config_mbox_subsys_get(phba,
2413 lpfc_sli_config_mbox_opcode_get(phba,
2415 phba->link_state = LPFC_HBA_ERROR;
2416 phba->work_hs = HS_FFER3;
2417 lpfc_handle_eratt(phba);
2421 if (pmbox->mbxStatus) {
2422 phba->sli.slistat.mbox_stat_err++;
2423 if (pmbox->mbxStatus == MBXERR_NO_RESOURCES) {
2424 /* Mbox cmd cmpl error - RETRYing */
2425 lpfc_printf_log(phba, KERN_INFO,
2427 "(%d):0305 Mbox cmd cmpl "
2428 "error - RETRYing Data: x%x "
2429 "(x%x/x%x) x%x x%x x%x\n",
2430 pmb->vport ? pmb->vport->vpi : 0,
2432 lpfc_sli_config_mbox_subsys_get(phba,
2434 lpfc_sli_config_mbox_opcode_get(phba,
2437 pmbox->un.varWords[0],
2438 pmb->vport->port_state);
2439 pmbox->mbxStatus = 0;
2440 pmbox->mbxOwner = OWN_HOST;
2441 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
2442 if (rc != MBX_NOT_FINISHED)
2447 /* Mailbox cmd <cmd> Cmpl <cmpl> */
2448 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
2449 "(%d):0307 Mailbox cmd x%x (x%x/x%x) Cmpl x%p "
2450 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x "
2452 pmb->vport ? pmb->vport->vpi : 0,
2454 lpfc_sli_config_mbox_subsys_get(phba, pmb),
2455 lpfc_sli_config_mbox_opcode_get(phba, pmb),
2457 *((uint32_t *) pmbox),
2458 pmbox->un.varWords[0],
2459 pmbox->un.varWords[1],
2460 pmbox->un.varWords[2],
2461 pmbox->un.varWords[3],
2462 pmbox->un.varWords[4],
2463 pmbox->un.varWords[5],
2464 pmbox->un.varWords[6],
2465 pmbox->un.varWords[7],
2466 pmbox->un.varWords[8],
2467 pmbox->un.varWords[9],
2468 pmbox->un.varWords[10]);
2471 pmb->mbox_cmpl(phba,pmb);
2477 * lpfc_sli_get_buff - Get the buffer associated with the buffer tag
2478 * @phba: Pointer to HBA context object.
2479 * @pring: Pointer to driver SLI ring object.
2482 * This function is called with no lock held. When QUE_BUFTAG_BIT bit
2483 * is set in the tag the buffer is posted for a particular exchange,
2484 * the function will return the buffer without replacing the buffer.
2485 * If the buffer is for unsolicited ELS or CT traffic, this function
2486 * returns the buffer and also posts another buffer to the firmware.
2488 static struct lpfc_dmabuf *
2489 lpfc_sli_get_buff(struct lpfc_hba *phba,
2490 struct lpfc_sli_ring *pring,
2493 struct hbq_dmabuf *hbq_entry;
2495 if (tag & QUE_BUFTAG_BIT)
2496 return lpfc_sli_ring_taggedbuf_get(phba, pring, tag);
2497 hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
2500 return &hbq_entry->dbuf;
2504 * lpfc_complete_unsol_iocb - Complete an unsolicited sequence
2505 * @phba: Pointer to HBA context object.
2506 * @pring: Pointer to driver SLI ring object.
2507 * @saveq: Pointer to the iocbq struct representing the sequence starting frame.
2508 * @fch_r_ctl: the r_ctl for the first frame of the sequence.
2509 * @fch_type: the type for the first frame of the sequence.
2511 * This function is called with no lock held. This function uses the r_ctl and
2512 * type of the received sequence to find the correct callback function to call
2513 * to process the sequence.
2516 lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2517 struct lpfc_iocbq *saveq, uint32_t fch_r_ctl,
2524 lpfc_nvmet_unsol_ls_event(phba, pring, saveq);
2530 /* unSolicited Responses */
2531 if (pring->prt[0].profile) {
2532 if (pring->prt[0].lpfc_sli_rcv_unsol_event)
2533 (pring->prt[0].lpfc_sli_rcv_unsol_event) (phba, pring,
2537 /* We must search, based on rctl / type
2538 for the right routine */
2539 for (i = 0; i < pring->num_mask; i++) {
2540 if ((pring->prt[i].rctl == fch_r_ctl) &&
2541 (pring->prt[i].type == fch_type)) {
2542 if (pring->prt[i].lpfc_sli_rcv_unsol_event)
2543 (pring->prt[i].lpfc_sli_rcv_unsol_event)
2544 (phba, pring, saveq);
2552 * lpfc_sli_process_unsol_iocb - Unsolicited iocb handler
2553 * @phba: Pointer to HBA context object.
2554 * @pring: Pointer to driver SLI ring object.
2555 * @saveq: Pointer to the unsolicited iocb.
2557 * This function is called with no lock held by the ring event handler
2558 * when there is an unsolicited iocb posted to the response ring by the
2559 * firmware. This function gets the buffer associated with the iocbs
2560 * and calls the event handler for the ring. This function handles both
2561 * qring buffers and hbq buffers.
2562 * When the function returns 1 the caller can free the iocb object otherwise
2563 * upper layer functions will free the iocb objects.
2566 lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2567 struct lpfc_iocbq *saveq)
2571 uint32_t Rctl, Type;
2572 struct lpfc_iocbq *iocbq;
2573 struct lpfc_dmabuf *dmzbuf;
2575 irsp = &(saveq->iocb);
2577 if (irsp->ulpCommand == CMD_ASYNC_STATUS) {
2578 if (pring->lpfc_sli_rcv_async_status)
2579 pring->lpfc_sli_rcv_async_status(phba, pring, saveq);
2581 lpfc_printf_log(phba,
2584 "0316 Ring %d handler: unexpected "
2585 "ASYNC_STATUS iocb received evt_code "
2588 irsp->un.asyncstat.evt_code);
2592 if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) &&
2593 (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) {
2594 if (irsp->ulpBdeCount > 0) {
2595 dmzbuf = lpfc_sli_get_buff(phba, pring,
2596 irsp->un.ulpWord[3]);
2597 lpfc_in_buf_free(phba, dmzbuf);
2600 if (irsp->ulpBdeCount > 1) {
2601 dmzbuf = lpfc_sli_get_buff(phba, pring,
2602 irsp->unsli3.sli3Words[3]);
2603 lpfc_in_buf_free(phba, dmzbuf);
2606 if (irsp->ulpBdeCount > 2) {
2607 dmzbuf = lpfc_sli_get_buff(phba, pring,
2608 irsp->unsli3.sli3Words[7]);
2609 lpfc_in_buf_free(phba, dmzbuf);
2615 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
2616 if (irsp->ulpBdeCount != 0) {
2617 saveq->context2 = lpfc_sli_get_buff(phba, pring,
2618 irsp->un.ulpWord[3]);
2619 if (!saveq->context2)
2620 lpfc_printf_log(phba,
2623 "0341 Ring %d Cannot find buffer for "
2624 "an unsolicited iocb. tag 0x%x\n",
2626 irsp->un.ulpWord[3]);
2628 if (irsp->ulpBdeCount == 2) {
2629 saveq->context3 = lpfc_sli_get_buff(phba, pring,
2630 irsp->unsli3.sli3Words[7]);
2631 if (!saveq->context3)
2632 lpfc_printf_log(phba,
2635 "0342 Ring %d Cannot find buffer for an"
2636 " unsolicited iocb. tag 0x%x\n",
2638 irsp->unsli3.sli3Words[7]);
2640 list_for_each_entry(iocbq, &saveq->list, list) {
2641 irsp = &(iocbq->iocb);
2642 if (irsp->ulpBdeCount != 0) {
2643 iocbq->context2 = lpfc_sli_get_buff(phba, pring,
2644 irsp->un.ulpWord[3]);
2645 if (!iocbq->context2)
2646 lpfc_printf_log(phba,
2649 "0343 Ring %d Cannot find "
2650 "buffer for an unsolicited iocb"
2651 ". tag 0x%x\n", pring->ringno,
2652 irsp->un.ulpWord[3]);
2654 if (irsp->ulpBdeCount == 2) {
2655 iocbq->context3 = lpfc_sli_get_buff(phba, pring,
2656 irsp->unsli3.sli3Words[7]);
2657 if (!iocbq->context3)
2658 lpfc_printf_log(phba,
2661 "0344 Ring %d Cannot find "
2662 "buffer for an unsolicited "
2665 irsp->unsli3.sli3Words[7]);
2669 if (irsp->ulpBdeCount != 0 &&
2670 (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX ||
2671 irsp->ulpStatus == IOSTAT_INTERMED_RSP)) {
2674 /* search continue save q for same XRI */
2675 list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) {
2676 if (iocbq->iocb.unsli3.rcvsli3.ox_id ==
2677 saveq->iocb.unsli3.rcvsli3.ox_id) {
2678 list_add_tail(&saveq->list, &iocbq->list);
2684 list_add_tail(&saveq->clist,
2685 &pring->iocb_continue_saveq);
2686 if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) {
2687 list_del_init(&iocbq->clist);
2689 irsp = &(saveq->iocb);
2693 if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) ||
2694 (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) ||
2695 (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) {
2696 Rctl = FC_RCTL_ELS_REQ;
2699 w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]);
2700 Rctl = w5p->hcsw.Rctl;
2701 Type = w5p->hcsw.Type;
2703 /* Firmware Workaround */
2704 if ((Rctl == 0) && (pring->ringno == LPFC_ELS_RING) &&
2705 (irsp->ulpCommand == CMD_RCV_SEQUENCE64_CX ||
2706 irsp->ulpCommand == CMD_IOCB_RCV_SEQ64_CX)) {
2707 Rctl = FC_RCTL_ELS_REQ;
2709 w5p->hcsw.Rctl = Rctl;
2710 w5p->hcsw.Type = Type;
2714 if (!lpfc_complete_unsol_iocb(phba, pring, saveq, Rctl, Type))
2715 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
2716 "0313 Ring %d handler: unexpected Rctl x%x "
2717 "Type x%x received\n",
2718 pring->ringno, Rctl, Type);
2724 * lpfc_sli_iocbq_lookup - Find command iocb for the given response iocb
2725 * @phba: Pointer to HBA context object.
2726 * @pring: Pointer to driver SLI ring object.
2727 * @prspiocb: Pointer to response iocb object.
2729 * This function looks up the iocb_lookup table to get the command iocb
2730 * corresponding to the given response iocb using the iotag of the
2731 * response iocb. This function is called with the hbalock held.
2732 * This function returns the command iocb object if it finds the command
2733 * iocb else returns NULL.
2735 static struct lpfc_iocbq *
2736 lpfc_sli_iocbq_lookup(struct lpfc_hba *phba,
2737 struct lpfc_sli_ring *pring,
2738 struct lpfc_iocbq *prspiocb)
2740 struct lpfc_iocbq *cmd_iocb = NULL;
2742 lockdep_assert_held(&phba->hbalock);
2744 iotag = prspiocb->iocb.ulpIoTag;
2746 if (iotag != 0 && iotag <= phba->sli.last_iotag) {
2747 cmd_iocb = phba->sli.iocbq_lookup[iotag];
2748 if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) {
2749 /* remove from txcmpl queue list */
2750 list_del_init(&cmd_iocb->list);
2751 cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ;
2756 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2757 "0317 iotag x%x is out of "
2758 "range: max iotag x%x wd0 x%x\n",
2759 iotag, phba->sli.last_iotag,
2760 *(((uint32_t *) &prspiocb->iocb) + 7));
2765 * lpfc_sli_iocbq_lookup_by_tag - Find command iocb for the iotag
2766 * @phba: Pointer to HBA context object.
2767 * @pring: Pointer to driver SLI ring object.
2770 * This function looks up the iocb_lookup table to get the command iocb
2771 * corresponding to the given iotag. This function is called with the
2773 * This function returns the command iocb object if it finds the command
2774 * iocb else returns NULL.
2776 static struct lpfc_iocbq *
2777 lpfc_sli_iocbq_lookup_by_tag(struct lpfc_hba *phba,
2778 struct lpfc_sli_ring *pring, uint16_t iotag)
2780 struct lpfc_iocbq *cmd_iocb = NULL;
2782 lockdep_assert_held(&phba->hbalock);
2783 if (iotag != 0 && iotag <= phba->sli.last_iotag) {
2784 cmd_iocb = phba->sli.iocbq_lookup[iotag];
2785 if (cmd_iocb->iocb_flag & LPFC_IO_ON_TXCMPLQ) {
2786 /* remove from txcmpl queue list */
2787 list_del_init(&cmd_iocb->list);
2788 cmd_iocb->iocb_flag &= ~LPFC_IO_ON_TXCMPLQ;
2793 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2794 "0372 iotag x%x lookup error: max iotag (x%x) "
2796 iotag, phba->sli.last_iotag,
2797 cmd_iocb ? cmd_iocb->iocb_flag : 0xffff);
2802 * lpfc_sli_process_sol_iocb - process solicited iocb completion
2803 * @phba: Pointer to HBA context object.
2804 * @pring: Pointer to driver SLI ring object.
2805 * @saveq: Pointer to the response iocb to be processed.
2807 * This function is called by the ring event handler for non-fcp
2808 * rings when there is a new response iocb in the response ring.
2809 * The caller is not required to hold any locks. This function
2810 * gets the command iocb associated with the response iocb and
2811 * calls the completion handler for the command iocb. If there
2812 * is no completion handler, the function will free the resources
2813 * associated with command iocb. If the response iocb is for
2814 * an already aborted command iocb, the status of the completion
2815 * is changed to IOSTAT_LOCAL_REJECT/IOERR_SLI_ABORTED.
2816 * This function always returns 1.
2819 lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
2820 struct lpfc_iocbq *saveq)
2822 struct lpfc_iocbq *cmdiocbp;
2824 unsigned long iflag;
2826 /* Based on the iotag field, get the cmd IOCB from the txcmplq */
2827 spin_lock_irqsave(&phba->hbalock, iflag);
2828 cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring, saveq);
2829 spin_unlock_irqrestore(&phba->hbalock, iflag);
2832 if (cmdiocbp->iocb_cmpl) {
2834 * If an ELS command failed send an event to mgmt
2837 if (saveq->iocb.ulpStatus &&
2838 (pring->ringno == LPFC_ELS_RING) &&
2839 (cmdiocbp->iocb.ulpCommand ==
2840 CMD_ELS_REQUEST64_CR))
2841 lpfc_send_els_failure_event(phba,
2845 * Post all ELS completions to the worker thread.
2846 * All other are passed to the completion callback.
2848 if (pring->ringno == LPFC_ELS_RING) {
2849 if ((phba->sli_rev < LPFC_SLI_REV4) &&
2850 (cmdiocbp->iocb_flag &
2851 LPFC_DRIVER_ABORTED)) {
2852 spin_lock_irqsave(&phba->hbalock,
2854 cmdiocbp->iocb_flag &=
2855 ~LPFC_DRIVER_ABORTED;
2856 spin_unlock_irqrestore(&phba->hbalock,
2858 saveq->iocb.ulpStatus =
2859 IOSTAT_LOCAL_REJECT;
2860 saveq->iocb.un.ulpWord[4] =
2863 /* Firmware could still be in progress
2864 * of DMAing payload, so don't free data
2865 * buffer till after a hbeat.
2867 spin_lock_irqsave(&phba->hbalock,
2869 saveq->iocb_flag |= LPFC_DELAY_MEM_FREE;
2870 spin_unlock_irqrestore(&phba->hbalock,
2873 if (phba->sli_rev == LPFC_SLI_REV4) {
2874 if (saveq->iocb_flag &
2875 LPFC_EXCHANGE_BUSY) {
2876 /* Set cmdiocb flag for the
2877 * exchange busy so sgl (xri)
2878 * will not be released until
2879 * the abort xri is received
2883 &phba->hbalock, iflag);
2884 cmdiocbp->iocb_flag |=
2886 spin_unlock_irqrestore(
2887 &phba->hbalock, iflag);
2889 if (cmdiocbp->iocb_flag &
2890 LPFC_DRIVER_ABORTED) {
2892 * Clear LPFC_DRIVER_ABORTED
2893 * bit in case it was driver
2897 &phba->hbalock, iflag);
2898 cmdiocbp->iocb_flag &=
2899 ~LPFC_DRIVER_ABORTED;
2900 spin_unlock_irqrestore(
2901 &phba->hbalock, iflag);
2902 cmdiocbp->iocb.ulpStatus =
2903 IOSTAT_LOCAL_REJECT;
2904 cmdiocbp->iocb.un.ulpWord[4] =
2905 IOERR_ABORT_REQUESTED;
2907 * For SLI4, irsiocb contains
2908 * NO_XRI in sli_xritag, it
2909 * shall not affect releasing
2910 * sgl (xri) process.
2912 saveq->iocb.ulpStatus =
2913 IOSTAT_LOCAL_REJECT;
2914 saveq->iocb.un.ulpWord[4] =
2917 &phba->hbalock, iflag);
2919 LPFC_DELAY_MEM_FREE;
2920 spin_unlock_irqrestore(
2921 &phba->hbalock, iflag);
2925 (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
2927 lpfc_sli_release_iocbq(phba, cmdiocbp);
2930 * Unknown initiating command based on the response iotag.
2931 * This could be the case on the ELS ring because of
2934 if (pring->ringno != LPFC_ELS_RING) {
2936 * Ring <ringno> handler: unexpected completion IoTag
2939 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
2940 "0322 Ring %d handler: "
2941 "unexpected completion IoTag x%x "
2942 "Data: x%x x%x x%x x%x\n",
2944 saveq->iocb.ulpIoTag,
2945 saveq->iocb.ulpStatus,
2946 saveq->iocb.un.ulpWord[4],
2947 saveq->iocb.ulpCommand,
2948 saveq->iocb.ulpContext);
2956 * lpfc_sli_rsp_pointers_error - Response ring pointer error handler
2957 * @phba: Pointer to HBA context object.
2958 * @pring: Pointer to driver SLI ring object.
2960 * This function is called from the iocb ring event handlers when
2961 * put pointer is ahead of the get pointer for a ring. This function signal
2962 * an error attention condition to the worker thread and the worker
2963 * thread will transition the HBA to offline state.
2966 lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
2968 struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
2970 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
2971 * rsp ring <portRspMax>
2973 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
2974 "0312 Ring %d handler: portRspPut %d "
2975 "is bigger than rsp ring %d\n",
2976 pring->ringno, le32_to_cpu(pgp->rspPutInx),
2977 pring->sli.sli3.numRiocb);
2979 phba->link_state = LPFC_HBA_ERROR;
2982 * All error attention handlers are posted to
2985 phba->work_ha |= HA_ERATT;
2986 phba->work_hs = HS_FFER3;
2988 lpfc_worker_wake_up(phba);
2994 * lpfc_poll_eratt - Error attention polling timer timeout handler
2995 * @ptr: Pointer to address of HBA context object.
2997 * This function is invoked by the Error Attention polling timer when the
2998 * timer times out. It will check the SLI Error Attention register for
2999 * possible attention events. If so, it will post an Error Attention event
3000 * and wake up worker thread to process it. Otherwise, it will set up the
3001 * Error Attention polling timer for the next poll.
3003 void lpfc_poll_eratt(unsigned long ptr)
3005 struct lpfc_hba *phba;
3007 uint64_t sli_intr, cnt;
3009 phba = (struct lpfc_hba *)ptr;
3011 /* Here we will also keep track of interrupts per sec of the hba */
3012 sli_intr = phba->sli.slistat.sli_intr;
3014 if (phba->sli.slistat.sli_prev_intr > sli_intr)
3015 cnt = (((uint64_t)(-1) - phba->sli.slistat.sli_prev_intr) +
3018 cnt = (sli_intr - phba->sli.slistat.sli_prev_intr);
3020 /* 64-bit integer division not supported on 32-bit x86 - use do_div */
3021 do_div(cnt, phba->eratt_poll_interval);
3022 phba->sli.slistat.sli_ips = cnt;
3024 phba->sli.slistat.sli_prev_intr = sli_intr;
3026 /* Check chip HA register for error event */
3027 eratt = lpfc_sli_check_eratt(phba);
3030 /* Tell the worker thread there is work to do */
3031 lpfc_worker_wake_up(phba);
3033 /* Restart the timer for next eratt poll */
3034 mod_timer(&phba->eratt_poll,
3036 msecs_to_jiffies(1000 * phba->eratt_poll_interval));
3042 * lpfc_sli_handle_fast_ring_event - Handle ring events on FCP ring
3043 * @phba: Pointer to HBA context object.
3044 * @pring: Pointer to driver SLI ring object.
3045 * @mask: Host attention register mask for this ring.
3047 * This function is called from the interrupt context when there is a ring
3048 * event for the fcp ring. The caller does not hold any lock.
3049 * The function processes each response iocb in the response ring until it
3050 * finds an iocb with LE bit set and chains all the iocbs up to the iocb with
3051 * LE bit set. The function will call the completion handler of the command iocb
3052 * if the response iocb indicates a completion for a command iocb or it is
3053 * an abort completion. The function will call lpfc_sli_process_unsol_iocb
3054 * function if this is an unsolicited iocb.
3055 * This routine presumes LPFC_FCP_RING handling and doesn't bother
3056 * to check it explicitly.
3059 lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
3060 struct lpfc_sli_ring *pring, uint32_t mask)
3062 struct lpfc_pgp *pgp = &phba->port_gp[pring->ringno];
3063 IOCB_t *irsp = NULL;
3064 IOCB_t *entry = NULL;
3065 struct lpfc_iocbq *cmdiocbq = NULL;
3066 struct lpfc_iocbq rspiocbq;
3068 uint32_t portRspPut, portRspMax;
3070 lpfc_iocb_type type;
3071 unsigned long iflag;
3072 uint32_t rsp_cmpl = 0;
3074 spin_lock_irqsave(&phba->hbalock, iflag);
3075 pring->stats.iocb_event++;
3078 * The next available response entry should never exceed the maximum
3079 * entries. If it does, treat it as an adapter hardware error.
3081 portRspMax = pring->sli.sli3.numRiocb;
3082 portRspPut = le32_to_cpu(pgp->rspPutInx);
3083 if (unlikely(portRspPut >= portRspMax)) {
3084 lpfc_sli_rsp_pointers_error(phba, pring);
3085 spin_unlock_irqrestore(&phba->hbalock, iflag);
3088 if (phba->fcp_ring_in_use) {
3089 spin_unlock_irqrestore(&phba->hbalock, iflag);
3092 phba->fcp_ring_in_use = 1;
3095 while (pring->sli.sli3.rspidx != portRspPut) {
3097 * Fetch an entry off the ring and copy it into a local data
3098 * structure. The copy involves a byte-swap since the
3099 * network byte order and pci byte orders are different.
3101 entry = lpfc_resp_iocb(phba, pring);
3102 phba->last_completion_time = jiffies;
3104 if (++pring->sli.sli3.rspidx >= portRspMax)
3105 pring->sli.sli3.rspidx = 0;
3107 lpfc_sli_pcimem_bcopy((uint32_t *) entry,
3108 (uint32_t *) &rspiocbq.iocb,
3109 phba->iocb_rsp_size);
3110 INIT_LIST_HEAD(&(rspiocbq.list));
3111 irsp = &rspiocbq.iocb;
3113 type = lpfc_sli_iocb_cmd_type(irsp->ulpCommand & CMD_IOCB_MASK);
3114 pring->stats.iocb_rsp++;
3117 if (unlikely(irsp->ulpStatus)) {
3119 * If resource errors reported from HBA, reduce
3120 * queuedepths of the SCSI device.
3122 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
3123 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
3124 IOERR_NO_RESOURCES)) {
3125 spin_unlock_irqrestore(&phba->hbalock, iflag);
3126 phba->lpfc_rampdown_queue_depth(phba);
3127 spin_lock_irqsave(&phba->hbalock, iflag);
3130 /* Rsp ring <ringno> error: IOCB */
3131 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
3132 "0336 Rsp Ring %d error: IOCB Data: "
3133 "x%x x%x x%x x%x x%x x%x x%x x%x\n",
3135 irsp->un.ulpWord[0],
3136 irsp->un.ulpWord[1],
3137 irsp->un.ulpWord[2],
3138 irsp->un.ulpWord[3],
3139 irsp->un.ulpWord[4],
3140 irsp->un.ulpWord[5],
3141 *(uint32_t *)&irsp->un1,
3142 *((uint32_t *)&irsp->un1 + 1));
3146 case LPFC_ABORT_IOCB:
3149 * Idle exchange closed via ABTS from port. No iocb
3150 * resources need to be recovered.
3152 if (unlikely(irsp->ulpCommand == CMD_XRI_ABORTED_CX)) {
3153 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
3154 "0333 IOCB cmd 0x%x"
3155 " processed. Skipping"
3161 cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
3163 if (unlikely(!cmdiocbq))
3165 if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED)
3166 cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED;
3167 if (cmdiocbq->iocb_cmpl) {
3168 spin_unlock_irqrestore(&phba->hbalock, iflag);
3169 (cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
3171 spin_lock_irqsave(&phba->hbalock, iflag);
3174 case LPFC_UNSOL_IOCB:
3175 spin_unlock_irqrestore(&phba->hbalock, iflag);
3176 lpfc_sli_process_unsol_iocb(phba, pring, &rspiocbq);
3177 spin_lock_irqsave(&phba->hbalock, iflag);
3180 if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
3181 char adaptermsg[LPFC_MAX_ADPTMSG];
3182 memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
3183 memcpy(&adaptermsg[0], (uint8_t *) irsp,
3185 dev_warn(&((phba->pcidev)->dev),
3187 phba->brd_no, adaptermsg);
3189 /* Unknown IOCB command */
3190 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3191 "0334 Unknown IOCB command "
3192 "Data: x%x, x%x x%x x%x x%x\n",
3193 type, irsp->ulpCommand,
3202 * The response IOCB has been processed. Update the ring
3203 * pointer in SLIM. If the port response put pointer has not
3204 * been updated, sync the pgp->rspPutInx and fetch the new port
3205 * response put pointer.
3207 writel(pring->sli.sli3.rspidx,
3208 &phba->host_gp[pring->ringno].rspGetInx);
3210 if (pring->sli.sli3.rspidx == portRspPut)
3211 portRspPut = le32_to_cpu(pgp->rspPutInx);
3214 if ((rsp_cmpl > 0) && (mask & HA_R0RE_REQ)) {
3215 pring->stats.iocb_rsp_full++;
3216 status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4));
3217 writel(status, phba->CAregaddr);
3218 readl(phba->CAregaddr);
3220 if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
3221 pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
3222 pring->stats.iocb_cmd_empty++;
3224 /* Force update of the local copy of cmdGetInx */
3225 pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx);
3226 lpfc_sli_resume_iocb(phba, pring);
3228 if ((pring->lpfc_sli_cmd_available))
3229 (pring->lpfc_sli_cmd_available) (phba, pring);
3233 phba->fcp_ring_in_use = 0;
3234 spin_unlock_irqrestore(&phba->hbalock, iflag);
3239 * lpfc_sli_sp_handle_rspiocb - Handle slow-path response iocb
3240 * @phba: Pointer to HBA context object.
3241 * @pring: Pointer to driver SLI ring object.
3242 * @rspiocbp: Pointer to driver response IOCB object.
3244 * This function is called from the worker thread when there is a slow-path
3245 * response IOCB to process. This function chains all the response iocbs until
3246 * seeing the iocb with the LE bit set. The function will call
3247 * lpfc_sli_process_sol_iocb function if the response iocb indicates a
3248 * completion of a command iocb. The function will call the
3249 * lpfc_sli_process_unsol_iocb function if this is an unsolicited iocb.
3250 * The function frees the resources or calls the completion handler if this
3251 * iocb is an abort completion. The function returns NULL when the response
3252 * iocb has the LE bit set and all the chained iocbs are processed, otherwise
3253 * this function shall chain the iocb on to the iocb_continueq and return the
3254 * response iocb passed in.
3256 static struct lpfc_iocbq *
3257 lpfc_sli_sp_handle_rspiocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
3258 struct lpfc_iocbq *rspiocbp)
3260 struct lpfc_iocbq *saveq;
3261 struct lpfc_iocbq *cmdiocbp;
3262 struct lpfc_iocbq *next_iocb;
3263 IOCB_t *irsp = NULL;
3264 uint32_t free_saveq;
3265 uint8_t iocb_cmd_type;
3266 lpfc_iocb_type type;
3267 unsigned long iflag;
3270 spin_lock_irqsave(&phba->hbalock, iflag);
3271 /* First add the response iocb to the countinueq list */
3272 list_add_tail(&rspiocbp->list, &(pring->iocb_continueq));
3273 pring->iocb_continueq_cnt++;
3275 /* Now, determine whether the list is completed for processing */
3276 irsp = &rspiocbp->iocb;
3279 * By default, the driver expects to free all resources
3280 * associated with this iocb completion.
3283 saveq = list_get_first(&pring->iocb_continueq,
3284 struct lpfc_iocbq, list);
3285 irsp = &(saveq->iocb);
3286 list_del_init(&pring->iocb_continueq);
3287 pring->iocb_continueq_cnt = 0;
3289 pring->stats.iocb_rsp++;
3292 * If resource errors reported from HBA, reduce
3293 * queuedepths of the SCSI device.
3295 if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
3296 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
3297 IOERR_NO_RESOURCES)) {
3298 spin_unlock_irqrestore(&phba->hbalock, iflag);
3299 phba->lpfc_rampdown_queue_depth(phba);
3300 spin_lock_irqsave(&phba->hbalock, iflag);
3303 if (irsp->ulpStatus) {
3304 /* Rsp ring <ringno> error: IOCB */
3305 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
3306 "0328 Rsp Ring %d error: "
3311 "x%x x%x x%x x%x\n",
3313 irsp->un.ulpWord[0],
3314 irsp->un.ulpWord[1],
3315 irsp->un.ulpWord[2],
3316 irsp->un.ulpWord[3],
3317 irsp->un.ulpWord[4],
3318 irsp->un.ulpWord[5],
3319 *(((uint32_t *) irsp) + 6),
3320 *(((uint32_t *) irsp) + 7),
3321 *(((uint32_t *) irsp) + 8),
3322 *(((uint32_t *) irsp) + 9),
3323 *(((uint32_t *) irsp) + 10),
3324 *(((uint32_t *) irsp) + 11),
3325 *(((uint32_t *) irsp) + 12),
3326 *(((uint32_t *) irsp) + 13),
3327 *(((uint32_t *) irsp) + 14),
3328 *(((uint32_t *) irsp) + 15));
3332 * Fetch the IOCB command type and call the correct completion
3333 * routine. Solicited and Unsolicited IOCBs on the ELS ring
3334 * get freed back to the lpfc_iocb_list by the discovery
3337 iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK;
3338 type = lpfc_sli_iocb_cmd_type(iocb_cmd_type);
3341 spin_unlock_irqrestore(&phba->hbalock, iflag);
3342 rc = lpfc_sli_process_sol_iocb(phba, pring, saveq);
3343 spin_lock_irqsave(&phba->hbalock, iflag);
3346 case LPFC_UNSOL_IOCB:
3347 spin_unlock_irqrestore(&phba->hbalock, iflag);
3348 rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq);
3349 spin_lock_irqsave(&phba->hbalock, iflag);
3354 case LPFC_ABORT_IOCB:
3356 if (irsp->ulpCommand != CMD_XRI_ABORTED_CX)
3357 cmdiocbp = lpfc_sli_iocbq_lookup(phba, pring,
3360 /* Call the specified completion routine */
3361 if (cmdiocbp->iocb_cmpl) {
3362 spin_unlock_irqrestore(&phba->hbalock,
3364 (cmdiocbp->iocb_cmpl)(phba, cmdiocbp,
3366 spin_lock_irqsave(&phba->hbalock,
3369 __lpfc_sli_release_iocbq(phba,
3374 case LPFC_UNKNOWN_IOCB:
3375 if (irsp->ulpCommand == CMD_ADAPTER_MSG) {
3376 char adaptermsg[LPFC_MAX_ADPTMSG];
3377 memset(adaptermsg, 0, LPFC_MAX_ADPTMSG);
3378 memcpy(&adaptermsg[0], (uint8_t *)irsp,
3380 dev_warn(&((phba->pcidev)->dev),
3382 phba->brd_no, adaptermsg);
3384 /* Unknown IOCB command */
3385 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3386 "0335 Unknown IOCB "
3387 "command Data: x%x "
3398 list_for_each_entry_safe(rspiocbp, next_iocb,
3399 &saveq->list, list) {
3400 list_del_init(&rspiocbp->list);
3401 __lpfc_sli_release_iocbq(phba, rspiocbp);
3403 __lpfc_sli_release_iocbq(phba, saveq);
3407 spin_unlock_irqrestore(&phba->hbalock, iflag);
3412 * lpfc_sli_handle_slow_ring_event - Wrapper func for handling slow-path iocbs
3413 * @phba: Pointer to HBA context object.
3414 * @pring: Pointer to driver SLI ring object.
3415 * @mask: Host attention register mask for this ring.
3417 * This routine wraps the actual slow_ring event process routine from the
3418 * API jump table function pointer from the lpfc_hba struct.
3421 lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba,
3422 struct lpfc_sli_ring *pring, uint32_t mask)
3424 phba->lpfc_sli_handle_slow_ring_event(phba, pring, mask);
3428 * lpfc_sli_handle_slow_ring_event_s3 - Handle SLI3 ring event for non-FCP rings
3429 * @phba: Pointer to HBA context object.
3430 * @pring: Pointer to driver SLI ring object.
3431 * @mask: Host attention register mask for this ring.
3433 * This function is called from the worker thread when there is a ring event
3434 * for non-fcp rings. The caller does not hold any lock. The function will
3435 * remove each response iocb in the response ring and calls the handle
3436 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3439 lpfc_sli_handle_slow_ring_event_s3(struct lpfc_hba *phba,
3440 struct lpfc_sli_ring *pring, uint32_t mask)
3442 struct lpfc_pgp *pgp;
3444 IOCB_t *irsp = NULL;
3445 struct lpfc_iocbq *rspiocbp = NULL;
3446 uint32_t portRspPut, portRspMax;
3447 unsigned long iflag;
3450 pgp = &phba->port_gp[pring->ringno];
3451 spin_lock_irqsave(&phba->hbalock, iflag);
3452 pring->stats.iocb_event++;
3455 * The next available response entry should never exceed the maximum
3456 * entries. If it does, treat it as an adapter hardware error.
3458 portRspMax = pring->sli.sli3.numRiocb;
3459 portRspPut = le32_to_cpu(pgp->rspPutInx);
3460 if (portRspPut >= portRspMax) {
3462 * Ring <ringno> handler: portRspPut <portRspPut> is bigger than
3463 * rsp ring <portRspMax>
3465 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
3466 "0303 Ring %d handler: portRspPut %d "
3467 "is bigger than rsp ring %d\n",
3468 pring->ringno, portRspPut, portRspMax);
3470 phba->link_state = LPFC_HBA_ERROR;
3471 spin_unlock_irqrestore(&phba->hbalock, iflag);
3473 phba->work_hs = HS_FFER3;
3474 lpfc_handle_eratt(phba);
3480 while (pring->sli.sli3.rspidx != portRspPut) {
3482 * Build a completion list and call the appropriate handler.
3483 * The process is to get the next available response iocb, get
3484 * a free iocb from the list, copy the response data into the
3485 * free iocb, insert to the continuation list, and update the
3486 * next response index to slim. This process makes response
3487 * iocb's in the ring available to DMA as fast as possible but
3488 * pays a penalty for a copy operation. Since the iocb is
3489 * only 32 bytes, this penalty is considered small relative to
3490 * the PCI reads for register values and a slim write. When
3491 * the ulpLe field is set, the entire Command has been
3494 entry = lpfc_resp_iocb(phba, pring);
3496 phba->last_completion_time = jiffies;
3497 rspiocbp = __lpfc_sli_get_iocbq(phba);
3498 if (rspiocbp == NULL) {
3499 printk(KERN_ERR "%s: out of buffers! Failing "
3500 "completion.\n", __func__);
3504 lpfc_sli_pcimem_bcopy(entry, &rspiocbp->iocb,
3505 phba->iocb_rsp_size);
3506 irsp = &rspiocbp->iocb;
3508 if (++pring->sli.sli3.rspidx >= portRspMax)
3509 pring->sli.sli3.rspidx = 0;
3511 if (pring->ringno == LPFC_ELS_RING) {
3512 lpfc_debugfs_slow_ring_trc(phba,
3513 "IOCB rsp ring: wd4:x%08x wd6:x%08x wd7:x%08x",
3514 *(((uint32_t *) irsp) + 4),
3515 *(((uint32_t *) irsp) + 6),
3516 *(((uint32_t *) irsp) + 7));
3519 writel(pring->sli.sli3.rspidx,
3520 &phba->host_gp[pring->ringno].rspGetInx);
3522 spin_unlock_irqrestore(&phba->hbalock, iflag);
3523 /* Handle the response IOCB */
3524 rspiocbp = lpfc_sli_sp_handle_rspiocb(phba, pring, rspiocbp);
3525 spin_lock_irqsave(&phba->hbalock, iflag);
3528 * If the port response put pointer has not been updated, sync
3529 * the pgp->rspPutInx in the MAILBOX_tand fetch the new port
3530 * response put pointer.
3532 if (pring->sli.sli3.rspidx == portRspPut) {
3533 portRspPut = le32_to_cpu(pgp->rspPutInx);
3535 } /* while (pring->sli.sli3.rspidx != portRspPut) */
3537 if ((rspiocbp != NULL) && (mask & HA_R0RE_REQ)) {
3538 /* At least one response entry has been freed */
3539 pring->stats.iocb_rsp_full++;
3540 /* SET RxRE_RSP in Chip Att register */
3541 status = ((CA_R0ATT | CA_R0RE_RSP) << (pring->ringno * 4));
3542 writel(status, phba->CAregaddr);
3543 readl(phba->CAregaddr); /* flush */
3545 if ((mask & HA_R0CE_RSP) && (pring->flag & LPFC_CALL_RING_AVAILABLE)) {
3546 pring->flag &= ~LPFC_CALL_RING_AVAILABLE;
3547 pring->stats.iocb_cmd_empty++;
3549 /* Force update of the local copy of cmdGetInx */
3550 pring->sli.sli3.local_getidx = le32_to_cpu(pgp->cmdGetInx);
3551 lpfc_sli_resume_iocb(phba, pring);
3553 if ((pring->lpfc_sli_cmd_available))
3554 (pring->lpfc_sli_cmd_available) (phba, pring);
3558 spin_unlock_irqrestore(&phba->hbalock, iflag);
3563 * lpfc_sli_handle_slow_ring_event_s4 - Handle SLI4 slow-path els events
3564 * @phba: Pointer to HBA context object.
3565 * @pring: Pointer to driver SLI ring object.
3566 * @mask: Host attention register mask for this ring.
3568 * This function is called from the worker thread when there is a pending
3569 * ELS response iocb on the driver internal slow-path response iocb worker
3570 * queue. The caller does not hold any lock. The function will remove each
3571 * response iocb from the response worker queue and calls the handle
3572 * response iocb routine (lpfc_sli_sp_handle_rspiocb) to process it.
3575 lpfc_sli_handle_slow_ring_event_s4(struct lpfc_hba *phba,
3576 struct lpfc_sli_ring *pring, uint32_t mask)
3578 struct lpfc_iocbq *irspiocbq;
3579 struct hbq_dmabuf *dmabuf;
3580 struct lpfc_cq_event *cq_event;
3581 unsigned long iflag;
3583 spin_lock_irqsave(&phba->hbalock, iflag);
3584 phba->hba_flag &= ~HBA_SP_QUEUE_EVT;
3585 spin_unlock_irqrestore(&phba->hbalock, iflag);
3586 while (!list_empty(&phba->sli4_hba.sp_queue_event)) {
3587 /* Get the response iocb from the head of work queue */
3588 spin_lock_irqsave(&phba->hbalock, iflag);
3589 list_remove_head(&phba->sli4_hba.sp_queue_event,
3590 cq_event, struct lpfc_cq_event, list);
3591 spin_unlock_irqrestore(&phba->hbalock, iflag);
3593 switch (bf_get(lpfc_wcqe_c_code, &cq_event->cqe.wcqe_cmpl)) {
3594 case CQE_CODE_COMPL_WQE:
3595 irspiocbq = container_of(cq_event, struct lpfc_iocbq,
3597 /* Translate ELS WCQE to response IOCBQ */
3598 irspiocbq = lpfc_sli4_els_wcqe_to_rspiocbq(phba,
3601 lpfc_sli_sp_handle_rspiocb(phba, pring,
3604 case CQE_CODE_RECEIVE:
3605 case CQE_CODE_RECEIVE_V1:
3606 dmabuf = container_of(cq_event, struct hbq_dmabuf,
3608 lpfc_sli4_handle_received_buffer(phba, dmabuf);
3617 * lpfc_sli_abort_iocb_ring - Abort all iocbs in the ring
3618 * @phba: Pointer to HBA context object.
3619 * @pring: Pointer to driver SLI ring object.
3621 * This function aborts all iocbs in the given ring and frees all the iocb
3622 * objects in txq. This function issues an abort iocb for all the iocb commands
3623 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3624 * the return of this function. The caller is not required to hold any locks.
3627 lpfc_sli_abort_iocb_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
3629 LIST_HEAD(completions);
3630 struct lpfc_iocbq *iocb, *next_iocb;
3632 if (pring->ringno == LPFC_ELS_RING) {
3633 lpfc_fabric_abort_hba(phba);
3636 /* Error everything on txq and txcmplq
3639 if (phba->sli_rev >= LPFC_SLI_REV4) {
3640 spin_lock_irq(&pring->ring_lock);
3641 list_splice_init(&pring->txq, &completions);
3643 spin_unlock_irq(&pring->ring_lock);
3645 spin_lock_irq(&phba->hbalock);
3646 /* Next issue ABTS for everything on the txcmplq */
3647 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list)
3648 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
3649 spin_unlock_irq(&phba->hbalock);
3651 spin_lock_irq(&phba->hbalock);
3652 list_splice_init(&pring->txq, &completions);
3655 /* Next issue ABTS for everything on the txcmplq */
3656 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list)
3657 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
3658 spin_unlock_irq(&phba->hbalock);
3661 /* Cancel all the IOCBs from the completions list */
3662 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
3667 * lpfc_sli_abort_wqe_ring - Abort all iocbs in the ring
3668 * @phba: Pointer to HBA context object.
3669 * @pring: Pointer to driver SLI ring object.
3671 * This function aborts all iocbs in the given ring and frees all the iocb
3672 * objects in txq. This function issues an abort iocb for all the iocb commands
3673 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3674 * the return of this function. The caller is not required to hold any locks.
3677 lpfc_sli_abort_wqe_ring(struct lpfc_hba *phba, struct lpfc_sli_ring *pring)
3679 LIST_HEAD(completions);
3680 struct lpfc_iocbq *iocb, *next_iocb;
3682 if (pring->ringno == LPFC_ELS_RING)
3683 lpfc_fabric_abort_hba(phba);
3685 spin_lock_irq(&phba->hbalock);
3686 /* Next issue ABTS for everything on the txcmplq */
3687 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list)
3688 lpfc_sli4_abort_nvme_io(phba, pring, iocb);
3689 spin_unlock_irq(&phba->hbalock);
3694 * lpfc_sli_abort_fcp_rings - Abort all iocbs in all FCP rings
3695 * @phba: Pointer to HBA context object.
3696 * @pring: Pointer to driver SLI ring object.
3698 * This function aborts all iocbs in FCP rings and frees all the iocb
3699 * objects in txq. This function issues an abort iocb for all the iocb commands
3700 * in txcmplq. The iocbs in the txcmplq is not guaranteed to complete before
3701 * the return of this function. The caller is not required to hold any locks.
3704 lpfc_sli_abort_fcp_rings(struct lpfc_hba *phba)
3706 struct lpfc_sli *psli = &phba->sli;
3707 struct lpfc_sli_ring *pring;
3710 /* Look on all the FCP Rings for the iotag */
3711 if (phba->sli_rev >= LPFC_SLI_REV4) {
3712 for (i = 0; i < phba->cfg_fcp_io_channel; i++) {
3713 pring = phba->sli4_hba.fcp_wq[i]->pring;
3714 lpfc_sli_abort_iocb_ring(phba, pring);
3717 pring = &psli->sli3_ring[LPFC_FCP_RING];
3718 lpfc_sli_abort_iocb_ring(phba, pring);
3723 * lpfc_sli_abort_nvme_rings - Abort all wqes in all NVME rings
3724 * @phba: Pointer to HBA context object.
3726 * This function aborts all wqes in NVME rings. This function issues an
3727 * abort wqe for all the outstanding IO commands in txcmplq. The iocbs in
3728 * the txcmplq is not guaranteed to complete before the return of this
3729 * function. The caller is not required to hold any locks.
3732 lpfc_sli_abort_nvme_rings(struct lpfc_hba *phba)
3734 struct lpfc_sli_ring *pring;
3737 if (phba->sli_rev < LPFC_SLI_REV4)
3740 /* Abort all IO on each NVME ring. */
3741 for (i = 0; i < phba->cfg_nvme_io_channel; i++) {
3742 pring = phba->sli4_hba.nvme_wq[i]->pring;
3743 lpfc_sli_abort_wqe_ring(phba, pring);
3749 * lpfc_sli_flush_fcp_rings - flush all iocbs in the fcp ring
3750 * @phba: Pointer to HBA context object.
3752 * This function flushes all iocbs in the fcp ring and frees all the iocb
3753 * objects in txq and txcmplq. This function will not issue abort iocbs
3754 * for all the iocb commands in txcmplq, they will just be returned with
3755 * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI
3756 * slot has been permanently disabled.
3759 lpfc_sli_flush_fcp_rings(struct lpfc_hba *phba)
3763 struct lpfc_sli *psli = &phba->sli;
3764 struct lpfc_sli_ring *pring;
3767 spin_lock_irq(&phba->hbalock);
3768 /* Indicate the I/O queues are flushed */
3769 phba->hba_flag |= HBA_FCP_IOQ_FLUSH;
3770 spin_unlock_irq(&phba->hbalock);
3772 /* Look on all the FCP Rings for the iotag */
3773 if (phba->sli_rev >= LPFC_SLI_REV4) {
3774 for (i = 0; i < phba->cfg_fcp_io_channel; i++) {
3775 pring = phba->sli4_hba.fcp_wq[i]->pring;
3777 spin_lock_irq(&pring->ring_lock);
3778 /* Retrieve everything on txq */
3779 list_splice_init(&pring->txq, &txq);
3780 /* Retrieve everything on the txcmplq */
3781 list_splice_init(&pring->txcmplq, &txcmplq);
3783 pring->txcmplq_cnt = 0;
3784 spin_unlock_irq(&pring->ring_lock);
3787 lpfc_sli_cancel_iocbs(phba, &txq,
3788 IOSTAT_LOCAL_REJECT,
3790 /* Flush the txcmpq */
3791 lpfc_sli_cancel_iocbs(phba, &txcmplq,
3792 IOSTAT_LOCAL_REJECT,
3796 pring = &psli->sli3_ring[LPFC_FCP_RING];
3798 spin_lock_irq(&phba->hbalock);
3799 /* Retrieve everything on txq */
3800 list_splice_init(&pring->txq, &txq);
3801 /* Retrieve everything on the txcmplq */
3802 list_splice_init(&pring->txcmplq, &txcmplq);
3804 pring->txcmplq_cnt = 0;
3805 spin_unlock_irq(&phba->hbalock);
3808 lpfc_sli_cancel_iocbs(phba, &txq, IOSTAT_LOCAL_REJECT,
3810 /* Flush the txcmpq */
3811 lpfc_sli_cancel_iocbs(phba, &txcmplq, IOSTAT_LOCAL_REJECT,
3817 * lpfc_sli_flush_nvme_rings - flush all wqes in the nvme rings
3818 * @phba: Pointer to HBA context object.
3820 * This function flushes all wqes in the nvme rings and frees all resources
3821 * in the txcmplq. This function does not issue abort wqes for the IO
3822 * commands in txcmplq, they will just be returned with
3823 * IOERR_SLI_DOWN. This function is invoked with EEH when device's PCI
3824 * slot has been permanently disabled.
3827 lpfc_sli_flush_nvme_rings(struct lpfc_hba *phba)
3830 struct lpfc_sli_ring *pring;
3833 if (phba->sli_rev < LPFC_SLI_REV4)
3836 /* Hint to other driver operations that a flush is in progress. */
3837 spin_lock_irq(&phba->hbalock);
3838 phba->hba_flag |= HBA_NVME_IOQ_FLUSH;
3839 spin_unlock_irq(&phba->hbalock);
3841 /* Cycle through all NVME rings and complete each IO with
3842 * a local driver reason code. This is a flush so no
3843 * abort exchange to FW.
3845 for (i = 0; i < phba->cfg_nvme_io_channel; i++) {
3846 pring = phba->sli4_hba.nvme_wq[i]->pring;
3848 /* Retrieve everything on the txcmplq */
3849 spin_lock_irq(&pring->ring_lock);
3850 list_splice_init(&pring->txcmplq, &txcmplq);
3851 pring->txcmplq_cnt = 0;
3852 spin_unlock_irq(&pring->ring_lock);
3854 /* Flush the txcmpq &&&PAE */
3855 lpfc_sli_cancel_iocbs(phba, &txcmplq,
3856 IOSTAT_LOCAL_REJECT,
3862 * lpfc_sli_brdready_s3 - Check for sli3 host ready status
3863 * @phba: Pointer to HBA context object.
3864 * @mask: Bit mask to be checked.
3866 * This function reads the host status register and compares
3867 * with the provided bit mask to check if HBA completed
3868 * the restart. This function will wait in a loop for the
3869 * HBA to complete restart. If the HBA does not restart within
3870 * 15 iterations, the function will reset the HBA again. The
3871 * function returns 1 when HBA fail to restart otherwise returns
3875 lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask)
3881 /* Read the HBA Host Status Register */
3882 if (lpfc_readl(phba->HSregaddr, &status))
3886 * Check status register every 100ms for 5 retries, then every
3887 * 500ms for 5, then every 2.5 sec for 5, then reset board and
3888 * every 2.5 sec for 4.
3889 * Break our of the loop if errors occurred during init.
3891 while (((status & mask) != mask) &&
3892 !(status & HS_FFERM) &&
3904 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
3905 lpfc_sli_brdrestart(phba);
3907 /* Read the HBA Host Status Register */
3908 if (lpfc_readl(phba->HSregaddr, &status)) {
3914 /* Check to see if any errors occurred during init */
3915 if ((status & HS_FFERM) || (i >= 20)) {
3916 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
3917 "2751 Adapter failed to restart, "
3918 "status reg x%x, FW Data: A8 x%x AC x%x\n",
3920 readl(phba->MBslimaddr + 0xa8),
3921 readl(phba->MBslimaddr + 0xac));
3922 phba->link_state = LPFC_HBA_ERROR;
3930 * lpfc_sli_brdready_s4 - Check for sli4 host ready status
3931 * @phba: Pointer to HBA context object.
3932 * @mask: Bit mask to be checked.
3934 * This function checks the host status register to check if HBA is
3935 * ready. This function will wait in a loop for the HBA to be ready
3936 * If the HBA is not ready , the function will will reset the HBA PCI
3937 * function again. The function returns 1 when HBA fail to be ready
3938 * otherwise returns zero.
3941 lpfc_sli_brdready_s4(struct lpfc_hba *phba, uint32_t mask)
3946 /* Read the HBA Host Status Register */
3947 status = lpfc_sli4_post_status_check(phba);
3950 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
3951 lpfc_sli_brdrestart(phba);
3952 status = lpfc_sli4_post_status_check(phba);
3955 /* Check to see if any errors occurred during init */
3957 phba->link_state = LPFC_HBA_ERROR;
3960 phba->sli4_hba.intr_enable = 0;
3966 * lpfc_sli_brdready - Wrapper func for checking the hba readyness
3967 * @phba: Pointer to HBA context object.
3968 * @mask: Bit mask to be checked.
3970 * This routine wraps the actual SLI3 or SLI4 hba readyness check routine
3971 * from the API jump table function pointer from the lpfc_hba struct.
3974 lpfc_sli_brdready(struct lpfc_hba *phba, uint32_t mask)
3976 return phba->lpfc_sli_brdready(phba, mask);
3979 #define BARRIER_TEST_PATTERN (0xdeadbeef)
3982 * lpfc_reset_barrier - Make HBA ready for HBA reset
3983 * @phba: Pointer to HBA context object.
3985 * This function is called before resetting an HBA. This function is called
3986 * with hbalock held and requests HBA to quiesce DMAs before a reset.
3988 void lpfc_reset_barrier(struct lpfc_hba *phba)
3990 uint32_t __iomem *resp_buf;
3991 uint32_t __iomem *mbox_buf;
3992 volatile uint32_t mbox;
3993 uint32_t hc_copy, ha_copy, resp_data;
3997 lockdep_assert_held(&phba->hbalock);
3999 pci_read_config_byte(phba->pcidev, PCI_HEADER_TYPE, &hdrtype);
4000 if (hdrtype != 0x80 ||
4001 (FC_JEDEC_ID(phba->vpd.rev.biuRev) != HELIOS_JEDEC_ID &&
4002 FC_JEDEC_ID(phba->vpd.rev.biuRev) != THOR_JEDEC_ID))
4006 * Tell the other part of the chip to suspend temporarily all
4009 resp_buf = phba->MBslimaddr;
4011 /* Disable the error attention */
4012 if (lpfc_readl(phba->HCregaddr, &hc_copy))
4014 writel((hc_copy & ~HC_ERINT_ENA), phba->HCregaddr);
4015 readl(phba->HCregaddr); /* flush */
4016 phba->link_flag |= LS_IGNORE_ERATT;
4018 if (lpfc_readl(phba->HAregaddr, &ha_copy))
4020 if (ha_copy & HA_ERATT) {
4021 /* Clear Chip error bit */
4022 writel(HA_ERATT, phba->HAregaddr);
4023 phba->pport->stopped = 1;
4027 ((MAILBOX_t *)&mbox)->mbxCommand = MBX_KILL_BOARD;
4028 ((MAILBOX_t *)&mbox)->mbxOwner = OWN_CHIP;
4030 writel(BARRIER_TEST_PATTERN, (resp_buf + 1));
4031 mbox_buf = phba->MBslimaddr;
4032 writel(mbox, mbox_buf);
4034 for (i = 0; i < 50; i++) {
4035 if (lpfc_readl((resp_buf + 1), &resp_data))
4037 if (resp_data != ~(BARRIER_TEST_PATTERN))
4043 if (lpfc_readl((resp_buf + 1), &resp_data))
4045 if (resp_data != ~(BARRIER_TEST_PATTERN)) {
4046 if (phba->sli.sli_flag & LPFC_SLI_ACTIVE ||
4047 phba->pport->stopped)
4053 ((MAILBOX_t *)&mbox)->mbxOwner = OWN_HOST;
4055 for (i = 0; i < 500; i++) {
4056 if (lpfc_readl(resp_buf, &resp_data))
4058 if (resp_data != mbox)
4067 if (lpfc_readl(phba->HAregaddr, &ha_copy))
4069 if (!(ha_copy & HA_ERATT))
4075 if (readl(phba->HAregaddr) & HA_ERATT) {
4076 writel(HA_ERATT, phba->HAregaddr);
4077 phba->pport->stopped = 1;
4081 phba->link_flag &= ~LS_IGNORE_ERATT;
4082 writel(hc_copy, phba->HCregaddr);
4083 readl(phba->HCregaddr); /* flush */
4087 * lpfc_sli_brdkill - Issue a kill_board mailbox command
4088 * @phba: Pointer to HBA context object.
4090 * This function issues a kill_board mailbox command and waits for
4091 * the error attention interrupt. This function is called for stopping
4092 * the firmware processing. The caller is not required to hold any
4093 * locks. This function calls lpfc_hba_down_post function to free
4094 * any pending commands after the kill. The function will return 1 when it
4095 * fails to kill the board else will return 0.
4098 lpfc_sli_brdkill(struct lpfc_hba *phba)
4100 struct lpfc_sli *psli;
4110 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4111 "0329 Kill HBA Data: x%x x%x\n",
4112 phba->pport->port_state, psli->sli_flag);
4114 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4118 /* Disable the error attention */
4119 spin_lock_irq(&phba->hbalock);
4120 if (lpfc_readl(phba->HCregaddr, &status)) {
4121 spin_unlock_irq(&phba->hbalock);
4122 mempool_free(pmb, phba->mbox_mem_pool);
4125 status &= ~HC_ERINT_ENA;
4126 writel(status, phba->HCregaddr);
4127 readl(phba->HCregaddr); /* flush */
4128 phba->link_flag |= LS_IGNORE_ERATT;
4129 spin_unlock_irq(&phba->hbalock);
4131 lpfc_kill_board(phba, pmb);
4132 pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
4133 retval = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
4135 if (retval != MBX_SUCCESS) {
4136 if (retval != MBX_BUSY)
4137 mempool_free(pmb, phba->mbox_mem_pool);
4138 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
4139 "2752 KILL_BOARD command failed retval %d\n",
4141 spin_lock_irq(&phba->hbalock);
4142 phba->link_flag &= ~LS_IGNORE_ERATT;
4143 spin_unlock_irq(&phba->hbalock);
4147 spin_lock_irq(&phba->hbalock);
4148 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
4149 spin_unlock_irq(&phba->hbalock);
4151 mempool_free(pmb, phba->mbox_mem_pool);
4153 /* There is no completion for a KILL_BOARD mbox cmd. Check for an error
4154 * attention every 100ms for 3 seconds. If we don't get ERATT after
4155 * 3 seconds we still set HBA_ERROR state because the status of the
4156 * board is now undefined.
4158 if (lpfc_readl(phba->HAregaddr, &ha_copy))
4160 while ((i++ < 30) && !(ha_copy & HA_ERATT)) {
4162 if (lpfc_readl(phba->HAregaddr, &ha_copy))
4166 del_timer_sync(&psli->mbox_tmo);
4167 if (ha_copy & HA_ERATT) {
4168 writel(HA_ERATT, phba->HAregaddr);
4169 phba->pport->stopped = 1;
4171 spin_lock_irq(&phba->hbalock);
4172 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
4173 psli->mbox_active = NULL;
4174 phba->link_flag &= ~LS_IGNORE_ERATT;
4175 spin_unlock_irq(&phba->hbalock);
4177 lpfc_hba_down_post(phba);
4178 phba->link_state = LPFC_HBA_ERROR;
4180 return ha_copy & HA_ERATT ? 0 : 1;
4184 * lpfc_sli_brdreset - Reset a sli-2 or sli-3 HBA
4185 * @phba: Pointer to HBA context object.
4187 * This function resets the HBA by writing HC_INITFF to the control
4188 * register. After the HBA resets, this function resets all the iocb ring
4189 * indices. This function disables PCI layer parity checking during
4191 * This function returns 0 always.
4192 * The caller is not required to hold any locks.
4195 lpfc_sli_brdreset(struct lpfc_hba *phba)
4197 struct lpfc_sli *psli;
4198 struct lpfc_sli_ring *pring;
4205 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4206 "0325 Reset HBA Data: x%x x%x\n",
4207 (phba->pport) ? phba->pport->port_state : 0,
4210 /* perform board reset */
4211 phba->fc_eventTag = 0;
4212 phba->link_events = 0;
4214 phba->pport->fc_myDID = 0;
4215 phba->pport->fc_prevDID = 0;
4218 /* Turn off parity checking and serr during the physical reset */
4219 pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value);
4220 pci_write_config_word(phba->pcidev, PCI_COMMAND,
4222 ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
4224 psli->sli_flag &= ~(LPFC_SLI_ACTIVE | LPFC_PROCESS_LA);
4226 /* Now toggle INITFF bit in the Host Control Register */
4227 writel(HC_INITFF, phba->HCregaddr);
4229 readl(phba->HCregaddr); /* flush */
4230 writel(0, phba->HCregaddr);
4231 readl(phba->HCregaddr); /* flush */
4233 /* Restore PCI cmd register */
4234 pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value);
4236 /* Initialize relevant SLI info */
4237 for (i = 0; i < psli->num_rings; i++) {
4238 pring = &psli->sli3_ring[i];
4240 pring->sli.sli3.rspidx = 0;
4241 pring->sli.sli3.next_cmdidx = 0;
4242 pring->sli.sli3.local_getidx = 0;
4243 pring->sli.sli3.cmdidx = 0;
4244 pring->missbufcnt = 0;
4247 phba->link_state = LPFC_WARM_START;
4252 * lpfc_sli4_brdreset - Reset a sli-4 HBA
4253 * @phba: Pointer to HBA context object.
4255 * This function resets a SLI4 HBA. This function disables PCI layer parity
4256 * checking during resets the device. The caller is not required to hold
4259 * This function returns 0 always.
4262 lpfc_sli4_brdreset(struct lpfc_hba *phba)
4264 struct lpfc_sli *psli = &phba->sli;
4269 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4270 "0295 Reset HBA Data: x%x x%x x%x\n",
4271 phba->pport->port_state, psli->sli_flag,
4274 /* perform board reset */
4275 phba->fc_eventTag = 0;
4276 phba->link_events = 0;
4277 phba->pport->fc_myDID = 0;
4278 phba->pport->fc_prevDID = 0;
4280 spin_lock_irq(&phba->hbalock);
4281 psli->sli_flag &= ~(LPFC_PROCESS_LA);
4282 phba->fcf.fcf_flag = 0;
4283 spin_unlock_irq(&phba->hbalock);
4285 /* SLI4 INTF 2: if FW dump is being taken skip INIT_PORT */
4286 if (phba->hba_flag & HBA_FW_DUMP_OP) {
4287 phba->hba_flag &= ~HBA_FW_DUMP_OP;
4291 /* Now physically reset the device */
4292 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4293 "0389 Performing PCI function reset!\n");
4295 /* Turn off parity checking and serr during the physical reset */
4296 pci_read_config_word(phba->pcidev, PCI_COMMAND, &cfg_value);
4297 pci_write_config_word(phba->pcidev, PCI_COMMAND, (cfg_value &
4298 ~(PCI_COMMAND_PARITY | PCI_COMMAND_SERR)));
4300 /* Perform FCoE PCI function reset before freeing queue memory */
4301 rc = lpfc_pci_function_reset(phba);
4302 lpfc_sli4_queue_destroy(phba);
4304 /* Restore PCI cmd register */
4305 pci_write_config_word(phba->pcidev, PCI_COMMAND, cfg_value);
4311 * lpfc_sli_brdrestart_s3 - Restart a sli-3 hba
4312 * @phba: Pointer to HBA context object.
4314 * This function is called in the SLI initialization code path to
4315 * restart the HBA. The caller is not required to hold any lock.
4316 * This function writes MBX_RESTART mailbox command to the SLIM and
4317 * resets the HBA. At the end of the function, it calls lpfc_hba_down_post
4318 * function to free any pending commands. The function enables
4319 * POST only during the first initialization. The function returns zero.
4320 * The function does not guarantee completion of MBX_RESTART mailbox
4321 * command before the return of this function.
4324 lpfc_sli_brdrestart_s3(struct lpfc_hba *phba)
4327 struct lpfc_sli *psli;
4328 volatile uint32_t word0;
4329 void __iomem *to_slim;
4330 uint32_t hba_aer_enabled;
4332 spin_lock_irq(&phba->hbalock);
4334 /* Take PCIe device Advanced Error Reporting (AER) state */
4335 hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED;
4340 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4341 "0337 Restart HBA Data: x%x x%x\n",
4342 (phba->pport) ? phba->pport->port_state : 0,
4346 mb = (MAILBOX_t *) &word0;
4347 mb->mbxCommand = MBX_RESTART;
4350 lpfc_reset_barrier(phba);
4352 to_slim = phba->MBslimaddr;
4353 writel(*(uint32_t *) mb, to_slim);
4354 readl(to_slim); /* flush */
4356 /* Only skip post after fc_ffinit is completed */
4357 if (phba->pport && phba->pport->port_state)
4358 word0 = 1; /* This is really setting up word1 */
4360 word0 = 0; /* This is really setting up word1 */
4361 to_slim = phba->MBslimaddr + sizeof (uint32_t);
4362 writel(*(uint32_t *) mb, to_slim);
4363 readl(to_slim); /* flush */
4365 lpfc_sli_brdreset(phba);
4367 phba->pport->stopped = 0;
4368 phba->link_state = LPFC_INIT_START;
4370 spin_unlock_irq(&phba->hbalock);
4372 memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets));
4373 psli->stats_start = get_seconds();
4375 /* Give the INITFF and Post time to settle. */
4378 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
4379 if (hba_aer_enabled)
4380 pci_disable_pcie_error_reporting(phba->pcidev);
4382 lpfc_hba_down_post(phba);
4388 * lpfc_sli_brdrestart_s4 - Restart the sli-4 hba
4389 * @phba: Pointer to HBA context object.
4391 * This function is called in the SLI initialization code path to restart
4392 * a SLI4 HBA. The caller is not required to hold any lock.
4393 * At the end of the function, it calls lpfc_hba_down_post function to
4394 * free any pending commands.
4397 lpfc_sli_brdrestart_s4(struct lpfc_hba *phba)
4399 struct lpfc_sli *psli = &phba->sli;
4400 uint32_t hba_aer_enabled;
4404 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
4405 "0296 Restart HBA Data: x%x x%x\n",
4406 phba->pport->port_state, psli->sli_flag);
4408 /* Take PCIe device Advanced Error Reporting (AER) state */
4409 hba_aer_enabled = phba->hba_flag & HBA_AER_ENABLED;
4411 rc = lpfc_sli4_brdreset(phba);
4413 spin_lock_irq(&phba->hbalock);
4414 phba->pport->stopped = 0;
4415 phba->link_state = LPFC_INIT_START;
4417 spin_unlock_irq(&phba->hbalock);
4419 memset(&psli->lnk_stat_offsets, 0, sizeof(psli->lnk_stat_offsets));
4420 psli->stats_start = get_seconds();
4422 /* Reset HBA AER if it was enabled, note hba_flag was reset above */
4423 if (hba_aer_enabled)
4424 pci_disable_pcie_error_reporting(phba->pcidev);
4426 lpfc_hba_down_post(phba);
4432 * lpfc_sli_brdrestart - Wrapper func for restarting hba
4433 * @phba: Pointer to HBA context object.
4435 * This routine wraps the actual SLI3 or SLI4 hba restart routine from the
4436 * API jump table function pointer from the lpfc_hba struct.
4439 lpfc_sli_brdrestart(struct lpfc_hba *phba)
4441 return phba->lpfc_sli_brdrestart(phba);
4445 * lpfc_sli_chipset_init - Wait for the restart of the HBA after a restart
4446 * @phba: Pointer to HBA context object.
4448 * This function is called after a HBA restart to wait for successful
4449 * restart of the HBA. Successful restart of the HBA is indicated by
4450 * HS_FFRDY and HS_MBRDY bits. If the HBA fails to restart even after 15
4451 * iteration, the function will restart the HBA again. The function returns
4452 * zero if HBA successfully restarted else returns negative error code.
4455 lpfc_sli_chipset_init(struct lpfc_hba *phba)
4457 uint32_t status, i = 0;
4459 /* Read the HBA Host Status Register */
4460 if (lpfc_readl(phba->HSregaddr, &status))
4463 /* Check status register to see what current state is */
4465 while ((status & (HS_FFRDY | HS_MBRDY)) != (HS_FFRDY | HS_MBRDY)) {
4467 /* Check every 10ms for 10 retries, then every 100ms for 90
4468 * retries, then every 1 sec for 50 retires for a total of
4469 * ~60 seconds before reset the board again and check every
4470 * 1 sec for 50 retries. The up to 60 seconds before the
4471 * board ready is required by the Falcon FIPS zeroization
4472 * complete, and any reset the board in between shall cause
4473 * restart of zeroization, further delay the board ready.
4476 /* Adapter failed to init, timeout, status reg
4478 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4479 "0436 Adapter failed to init, "
4480 "timeout, status reg x%x, "
4481 "FW Data: A8 x%x AC x%x\n", status,
4482 readl(phba->MBslimaddr + 0xa8),
4483 readl(phba->MBslimaddr + 0xac));
4484 phba->link_state = LPFC_HBA_ERROR;
4488 /* Check to see if any errors occurred during init */
4489 if (status & HS_FFERM) {
4490 /* ERROR: During chipset initialization */
4491 /* Adapter failed to init, chipset, status reg
4493 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4494 "0437 Adapter failed to init, "
4495 "chipset, status reg x%x, "
4496 "FW Data: A8 x%x AC x%x\n", status,
4497 readl(phba->MBslimaddr + 0xa8),
4498 readl(phba->MBslimaddr + 0xac));
4499 phba->link_state = LPFC_HBA_ERROR;
4512 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
4513 lpfc_sli_brdrestart(phba);
4515 /* Read the HBA Host Status Register */
4516 if (lpfc_readl(phba->HSregaddr, &status))
4520 /* Check to see if any errors occurred during init */
4521 if (status & HS_FFERM) {
4522 /* ERROR: During chipset initialization */
4523 /* Adapter failed to init, chipset, status reg <status> */
4524 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4525 "0438 Adapter failed to init, chipset, "
4527 "FW Data: A8 x%x AC x%x\n", status,
4528 readl(phba->MBslimaddr + 0xa8),
4529 readl(phba->MBslimaddr + 0xac));
4530 phba->link_state = LPFC_HBA_ERROR;
4534 /* Clear all interrupt enable conditions */
4535 writel(0, phba->HCregaddr);
4536 readl(phba->HCregaddr); /* flush */
4538 /* setup host attn register */
4539 writel(0xffffffff, phba->HAregaddr);
4540 readl(phba->HAregaddr); /* flush */
4545 * lpfc_sli_hbq_count - Get the number of HBQs to be configured
4547 * This function calculates and returns the number of HBQs required to be
4551 lpfc_sli_hbq_count(void)
4553 return ARRAY_SIZE(lpfc_hbq_defs);
4557 * lpfc_sli_hbq_entry_count - Calculate total number of hbq entries
4559 * This function adds the number of hbq entries in every HBQ to get
4560 * the total number of hbq entries required for the HBA and returns
4564 lpfc_sli_hbq_entry_count(void)
4566 int hbq_count = lpfc_sli_hbq_count();
4570 for (i = 0; i < hbq_count; ++i)
4571 count += lpfc_hbq_defs[i]->entry_count;
4576 * lpfc_sli_hbq_size - Calculate memory required for all hbq entries
4578 * This function calculates amount of memory required for all hbq entries
4579 * to be configured and returns the total memory required.
4582 lpfc_sli_hbq_size(void)
4584 return lpfc_sli_hbq_entry_count() * sizeof(struct lpfc_hbq_entry);
4588 * lpfc_sli_hbq_setup - configure and initialize HBQs
4589 * @phba: Pointer to HBA context object.
4591 * This function is called during the SLI initialization to configure
4592 * all the HBQs and post buffers to the HBQ. The caller is not
4593 * required to hold any locks. This function will return zero if successful
4594 * else it will return negative error code.
4597 lpfc_sli_hbq_setup(struct lpfc_hba *phba)
4599 int hbq_count = lpfc_sli_hbq_count();
4603 uint32_t hbq_entry_index;
4605 /* Get a Mailbox buffer to setup mailbox
4606 * commands for HBA initialization
4608 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4615 /* Initialize the struct lpfc_sli_hbq structure for each hbq */
4616 phba->link_state = LPFC_INIT_MBX_CMDS;
4617 phba->hbq_in_use = 1;
4619 hbq_entry_index = 0;
4620 for (hbqno = 0; hbqno < hbq_count; ++hbqno) {
4621 phba->hbqs[hbqno].next_hbqPutIdx = 0;
4622 phba->hbqs[hbqno].hbqPutIdx = 0;
4623 phba->hbqs[hbqno].local_hbqGetIdx = 0;
4624 phba->hbqs[hbqno].entry_count =
4625 lpfc_hbq_defs[hbqno]->entry_count;
4626 lpfc_config_hbq(phba, hbqno, lpfc_hbq_defs[hbqno],
4627 hbq_entry_index, pmb);
4628 hbq_entry_index += phba->hbqs[hbqno].entry_count;
4630 if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
4631 /* Adapter failed to init, mbxCmd <cmd> CFG_RING,
4632 mbxStatus <status>, ring <num> */
4634 lpfc_printf_log(phba, KERN_ERR,
4635 LOG_SLI | LOG_VPORT,
4636 "1805 Adapter failed to init. "
4637 "Data: x%x x%x x%x\n",
4639 pmbox->mbxStatus, hbqno);
4641 phba->link_state = LPFC_HBA_ERROR;
4642 mempool_free(pmb, phba->mbox_mem_pool);
4646 phba->hbq_count = hbq_count;
4648 mempool_free(pmb, phba->mbox_mem_pool);
4650 /* Initially populate or replenish the HBQs */
4651 for (hbqno = 0; hbqno < hbq_count; ++hbqno)
4652 lpfc_sli_hbqbuf_init_hbqs(phba, hbqno);
4657 * lpfc_sli4_rb_setup - Initialize and post RBs to HBA
4658 * @phba: Pointer to HBA context object.
4660 * This function is called during the SLI initialization to configure
4661 * all the HBQs and post buffers to the HBQ. The caller is not
4662 * required to hold any locks. This function will return zero if successful
4663 * else it will return negative error code.
4666 lpfc_sli4_rb_setup(struct lpfc_hba *phba)
4668 phba->hbq_in_use = 1;
4669 phba->hbqs[LPFC_ELS_HBQ].entry_count =
4670 lpfc_hbq_defs[LPFC_ELS_HBQ]->entry_count;
4671 phba->hbq_count = 1;
4672 lpfc_sli_hbqbuf_init_hbqs(phba, LPFC_ELS_HBQ);
4673 /* Initially populate or replenish the HBQs */
4678 * lpfc_sli_config_port - Issue config port mailbox command
4679 * @phba: Pointer to HBA context object.
4680 * @sli_mode: sli mode - 2/3
4682 * This function is called by the sli initialization code path
4683 * to issue config_port mailbox command. This function restarts the
4684 * HBA firmware and issues a config_port mailbox command to configure
4685 * the SLI interface in the sli mode specified by sli_mode
4686 * variable. The caller is not required to hold any locks.
4687 * The function returns 0 if successful, else returns negative error
4691 lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
4694 uint32_t resetcount = 0, rc = 0, done = 0;
4696 pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4698 phba->link_state = LPFC_HBA_ERROR;
4702 phba->sli_rev = sli_mode;
4703 while (resetcount < 2 && !done) {
4704 spin_lock_irq(&phba->hbalock);
4705 phba->sli.sli_flag |= LPFC_SLI_MBOX_ACTIVE;
4706 spin_unlock_irq(&phba->hbalock);
4707 phba->pport->port_state = LPFC_VPORT_UNKNOWN;
4708 lpfc_sli_brdrestart(phba);
4709 rc = lpfc_sli_chipset_init(phba);
4713 spin_lock_irq(&phba->hbalock);
4714 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
4715 spin_unlock_irq(&phba->hbalock);
4718 /* Call pre CONFIG_PORT mailbox command initialization. A
4719 * value of 0 means the call was successful. Any other
4720 * nonzero value is a failure, but if ERESTART is returned,
4721 * the driver may reset the HBA and try again.
4723 rc = lpfc_config_port_prep(phba);
4724 if (rc == -ERESTART) {
4725 phba->link_state = LPFC_LINK_UNKNOWN;
4730 phba->link_state = LPFC_INIT_MBX_CMDS;
4731 lpfc_config_port(phba, pmb);
4732 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
4733 phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED |
4734 LPFC_SLI3_HBQ_ENABLED |
4735 LPFC_SLI3_CRP_ENABLED |
4736 LPFC_SLI3_BG_ENABLED |
4737 LPFC_SLI3_DSS_ENABLED);
4738 if (rc != MBX_SUCCESS) {
4739 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4740 "0442 Adapter failed to init, mbxCmd x%x "
4741 "CONFIG_PORT, mbxStatus x%x Data: x%x\n",
4742 pmb->u.mb.mbxCommand, pmb->u.mb.mbxStatus, 0);
4743 spin_lock_irq(&phba->hbalock);
4744 phba->sli.sli_flag &= ~LPFC_SLI_ACTIVE;
4745 spin_unlock_irq(&phba->hbalock);
4748 /* Allow asynchronous mailbox command to go through */
4749 spin_lock_irq(&phba->hbalock);
4750 phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
4751 spin_unlock_irq(&phba->hbalock);
4754 if ((pmb->u.mb.un.varCfgPort.casabt == 1) &&
4755 (pmb->u.mb.un.varCfgPort.gasabt == 0))
4756 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
4757 "3110 Port did not grant ASABT\n");
4762 goto do_prep_failed;
4764 if (pmb->u.mb.un.varCfgPort.sli_mode == 3) {
4765 if (!pmb->u.mb.un.varCfgPort.cMA) {
4767 goto do_prep_failed;
4769 if (phba->max_vpi && pmb->u.mb.un.varCfgPort.gmv) {
4770 phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
4771 phba->max_vpi = pmb->u.mb.un.varCfgPort.max_vpi;
4772 phba->max_vports = (phba->max_vpi > phba->max_vports) ?
4773 phba->max_vpi : phba->max_vports;
4777 phba->fips_level = 0;
4778 phba->fips_spec_rev = 0;
4779 if (pmb->u.mb.un.varCfgPort.gdss) {
4780 phba->sli3_options |= LPFC_SLI3_DSS_ENABLED;
4781 phba->fips_level = pmb->u.mb.un.varCfgPort.fips_level;
4782 phba->fips_spec_rev = pmb->u.mb.un.varCfgPort.fips_rev;
4783 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4784 "2850 Security Crypto Active. FIPS x%d "
4786 phba->fips_level, phba->fips_spec_rev);
4788 if (pmb->u.mb.un.varCfgPort.sec_err) {
4789 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4790 "2856 Config Port Security Crypto "
4792 pmb->u.mb.un.varCfgPort.sec_err);
4794 if (pmb->u.mb.un.varCfgPort.gerbm)
4795 phba->sli3_options |= LPFC_SLI3_HBQ_ENABLED;
4796 if (pmb->u.mb.un.varCfgPort.gcrp)
4797 phba->sli3_options |= LPFC_SLI3_CRP_ENABLED;
4799 phba->hbq_get = phba->mbox->us.s3_pgp.hbq_get;
4800 phba->port_gp = phba->mbox->us.s3_pgp.port;
4802 if (phba->cfg_enable_bg) {
4803 if (pmb->u.mb.un.varCfgPort.gbg)
4804 phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
4806 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4807 "0443 Adapter did not grant "
4811 phba->hbq_get = NULL;
4812 phba->port_gp = phba->mbox->us.s2.port;
4816 mempool_free(pmb, phba->mbox_mem_pool);
4822 * lpfc_sli_hba_setup - SLI initialization function
4823 * @phba: Pointer to HBA context object.
4825 * This function is the main SLI initialization function. This function
4826 * is called by the HBA initialization code, HBA reset code and HBA
4827 * error attention handler code. Caller is not required to hold any
4828 * locks. This function issues config_port mailbox command to configure
4829 * the SLI, setup iocb rings and HBQ rings. In the end the function
4830 * calls the config_port_post function to issue init_link mailbox
4831 * command and to start the discovery. The function will return zero
4832 * if successful, else it will return negative error code.
4835 lpfc_sli_hba_setup(struct lpfc_hba *phba)
4841 switch (phba->cfg_sli_mode) {
4843 if (phba->cfg_enable_npiv) {
4844 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT,
4845 "1824 NPIV enabled: Override sli_mode "
4846 "parameter (%d) to auto (0).\n",
4847 phba->cfg_sli_mode);
4856 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT,
4857 "1819 Unrecognized sli_mode parameter: %d.\n",
4858 phba->cfg_sli_mode);
4862 phba->fcp_embed_io = 0; /* SLI4 FC support only */
4864 rc = lpfc_sli_config_port(phba, mode);
4866 if (rc && phba->cfg_sli_mode == 3)
4867 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_VPORT,
4868 "1820 Unable to select SLI-3. "
4869 "Not supported by adapter.\n");
4870 if (rc && mode != 2)
4871 rc = lpfc_sli_config_port(phba, 2);
4872 else if (rc && mode == 2)
4873 rc = lpfc_sli_config_port(phba, 3);
4875 goto lpfc_sli_hba_setup_error;
4877 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
4878 if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) {
4879 rc = pci_enable_pcie_error_reporting(phba->pcidev);
4881 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4882 "2709 This device supports "
4883 "Advanced Error Reporting (AER)\n");
4884 spin_lock_irq(&phba->hbalock);
4885 phba->hba_flag |= HBA_AER_ENABLED;
4886 spin_unlock_irq(&phba->hbalock);
4888 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4889 "2708 This device does not support "
4890 "Advanced Error Reporting (AER): %d\n",
4892 phba->cfg_aer_support = 0;
4896 if (phba->sli_rev == 3) {
4897 phba->iocb_cmd_size = SLI3_IOCB_CMD_SIZE;
4898 phba->iocb_rsp_size = SLI3_IOCB_RSP_SIZE;
4900 phba->iocb_cmd_size = SLI2_IOCB_CMD_SIZE;
4901 phba->iocb_rsp_size = SLI2_IOCB_RSP_SIZE;
4902 phba->sli3_options = 0;
4905 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
4906 "0444 Firmware in SLI %x mode. Max_vpi %d\n",
4907 phba->sli_rev, phba->max_vpi);
4908 rc = lpfc_sli_ring_map(phba);
4911 goto lpfc_sli_hba_setup_error;
4913 /* Initialize VPIs. */
4914 if (phba->sli_rev == LPFC_SLI_REV3) {
4916 * The VPI bitmask and physical ID array are allocated
4917 * and initialized once only - at driver load. A port
4918 * reset doesn't need to reinitialize this memory.
4920 if ((phba->vpi_bmask == NULL) && (phba->vpi_ids == NULL)) {
4921 longs = (phba->max_vpi + BITS_PER_LONG) / BITS_PER_LONG;
4922 phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long),
4924 if (!phba->vpi_bmask) {
4926 goto lpfc_sli_hba_setup_error;
4929 phba->vpi_ids = kzalloc(
4930 (phba->max_vpi+1) * sizeof(uint16_t),
4932 if (!phba->vpi_ids) {
4933 kfree(phba->vpi_bmask);
4935 goto lpfc_sli_hba_setup_error;
4937 for (i = 0; i < phba->max_vpi; i++)
4938 phba->vpi_ids[i] = i;
4943 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
4944 rc = lpfc_sli_hbq_setup(phba);
4946 goto lpfc_sli_hba_setup_error;
4948 spin_lock_irq(&phba->hbalock);
4949 phba->sli.sli_flag |= LPFC_PROCESS_LA;
4950 spin_unlock_irq(&phba->hbalock);
4952 rc = lpfc_config_port_post(phba);
4954 goto lpfc_sli_hba_setup_error;
4958 lpfc_sli_hba_setup_error:
4959 phba->link_state = LPFC_HBA_ERROR;
4960 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
4961 "0445 Firmware initialization failed\n");
4966 * lpfc_sli4_read_fcoe_params - Read fcoe params from conf region
4967 * @phba: Pointer to HBA context object.
4968 * @mboxq: mailbox pointer.
4969 * This function issue a dump mailbox command to read config region
4970 * 23 and parse the records in the region and populate driver
4974 lpfc_sli4_read_fcoe_params(struct lpfc_hba *phba)
4976 LPFC_MBOXQ_t *mboxq;
4977 struct lpfc_dmabuf *mp;
4978 struct lpfc_mqe *mqe;
4979 uint32_t data_length;
4982 /* Program the default value of vlan_id and fc_map */
4983 phba->valid_vlan = 0;
4984 phba->fc_map[0] = LPFC_FCOE_FCF_MAP0;
4985 phba->fc_map[1] = LPFC_FCOE_FCF_MAP1;
4986 phba->fc_map[2] = LPFC_FCOE_FCF_MAP2;
4988 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
4992 mqe = &mboxq->u.mqe;
4993 if (lpfc_sli4_dump_cfg_rg23(phba, mboxq)) {
4995 goto out_free_mboxq;
4998 mp = (struct lpfc_dmabuf *) mboxq->context1;
4999 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5001 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
5002 "(%d):2571 Mailbox cmd x%x Status x%x "
5003 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x "
5004 "x%x x%x x%x x%x x%x x%x x%x x%x x%x "
5005 "CQ: x%x x%x x%x x%x\n",
5006 mboxq->vport ? mboxq->vport->vpi : 0,
5007 bf_get(lpfc_mqe_command, mqe),
5008 bf_get(lpfc_mqe_status, mqe),
5009 mqe->un.mb_words[0], mqe->un.mb_words[1],
5010 mqe->un.mb_words[2], mqe->un.mb_words[3],
5011 mqe->un.mb_words[4], mqe->un.mb_words[5],
5012 mqe->un.mb_words[6], mqe->un.mb_words[7],
5013 mqe->un.mb_words[8], mqe->un.mb_words[9],
5014 mqe->un.mb_words[10], mqe->un.mb_words[11],
5015 mqe->un.mb_words[12], mqe->un.mb_words[13],
5016 mqe->un.mb_words[14], mqe->un.mb_words[15],
5017 mqe->un.mb_words[16], mqe->un.mb_words[50],
5019 mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1,
5020 mboxq->mcqe.trailer);
5023 lpfc_mbuf_free(phba, mp->virt, mp->phys);
5026 goto out_free_mboxq;
5028 data_length = mqe->un.mb_words[5];
5029 if (data_length > DMP_RGN23_SIZE) {
5030 lpfc_mbuf_free(phba, mp->virt, mp->phys);
5033 goto out_free_mboxq;
5036 lpfc_parse_fcoe_conf(phba, mp->virt, data_length);
5037 lpfc_mbuf_free(phba, mp->virt, mp->phys);
5042 mempool_free(mboxq, phba->mbox_mem_pool);
5047 * lpfc_sli4_read_rev - Issue READ_REV and collect vpd data
5048 * @phba: pointer to lpfc hba data structure.
5049 * @mboxq: pointer to the LPFC_MBOXQ_t structure.
5050 * @vpd: pointer to the memory to hold resulting port vpd data.
5051 * @vpd_size: On input, the number of bytes allocated to @vpd.
5052 * On output, the number of data bytes in @vpd.
5054 * This routine executes a READ_REV SLI4 mailbox command. In
5055 * addition, this routine gets the port vpd data.
5059 * -ENOMEM - could not allocated memory.
5062 lpfc_sli4_read_rev(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
5063 uint8_t *vpd, uint32_t *vpd_size)
5067 struct lpfc_dmabuf *dmabuf;
5068 struct lpfc_mqe *mqe;
5070 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
5075 * Get a DMA buffer for the vpd data resulting from the READ_REV
5078 dma_size = *vpd_size;
5079 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev, dma_size,
5080 &dmabuf->phys, GFP_KERNEL);
5081 if (!dmabuf->virt) {
5087 * The SLI4 implementation of READ_REV conflicts at word1,
5088 * bits 31:16 and SLI4 adds vpd functionality not present
5089 * in SLI3. This code corrects the conflicts.
5091 lpfc_read_rev(phba, mboxq);
5092 mqe = &mboxq->u.mqe;
5093 mqe->un.read_rev.vpd_paddr_high = putPaddrHigh(dmabuf->phys);
5094 mqe->un.read_rev.vpd_paddr_low = putPaddrLow(dmabuf->phys);
5095 mqe->un.read_rev.word1 &= 0x0000FFFF;
5096 bf_set(lpfc_mbx_rd_rev_vpd, &mqe->un.read_rev, 1);
5097 bf_set(lpfc_mbx_rd_rev_avail_len, &mqe->un.read_rev, dma_size);
5099 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5101 dma_free_coherent(&phba->pcidev->dev, dma_size,
5102 dmabuf->virt, dmabuf->phys);
5108 * The available vpd length cannot be bigger than the
5109 * DMA buffer passed to the port. Catch the less than
5110 * case and update the caller's size.
5112 if (mqe->un.read_rev.avail_vpd_len < *vpd_size)
5113 *vpd_size = mqe->un.read_rev.avail_vpd_len;
5115 memcpy(vpd, dmabuf->virt, *vpd_size);
5117 dma_free_coherent(&phba->pcidev->dev, dma_size,
5118 dmabuf->virt, dmabuf->phys);
5124 * lpfc_sli4_retrieve_pport_name - Retrieve SLI4 device physical port name
5125 * @phba: pointer to lpfc hba data structure.
5127 * This routine retrieves SLI4 device physical port name this PCI function
5132 * otherwise - failed to retrieve physical port name
5135 lpfc_sli4_retrieve_pport_name(struct lpfc_hba *phba)
5137 LPFC_MBOXQ_t *mboxq;
5138 struct lpfc_mbx_get_cntl_attributes *mbx_cntl_attr;
5139 struct lpfc_controller_attribute *cntl_attr;
5140 struct lpfc_mbx_get_port_name *get_port_name;
5141 void *virtaddr = NULL;
5142 uint32_t alloclen, reqlen;
5143 uint32_t shdr_status, shdr_add_status;
5144 union lpfc_sli4_cfg_shdr *shdr;
5145 char cport_name = 0;
5148 /* We assume nothing at this point */
5149 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL;
5150 phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_NON;
5152 mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5155 /* obtain link type and link number via READ_CONFIG */
5156 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_INVAL;
5157 lpfc_sli4_read_config(phba);
5158 if (phba->sli4_hba.lnk_info.lnk_dv == LPFC_LNK_DAT_VAL)
5159 goto retrieve_ppname;
5161 /* obtain link type and link number via COMMON_GET_CNTL_ATTRIBUTES */
5162 reqlen = sizeof(struct lpfc_mbx_get_cntl_attributes);
5163 alloclen = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
5164 LPFC_MBOX_OPCODE_GET_CNTL_ATTRIBUTES, reqlen,
5165 LPFC_SLI4_MBX_NEMBED);
5166 if (alloclen < reqlen) {
5167 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
5168 "3084 Allocated DMA memory size (%d) is "
5169 "less than the requested DMA memory size "
5170 "(%d)\n", alloclen, reqlen);
5172 goto out_free_mboxq;
5174 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5175 virtaddr = mboxq->sge_array->addr[0];
5176 mbx_cntl_attr = (struct lpfc_mbx_get_cntl_attributes *)virtaddr;
5177 shdr = &mbx_cntl_attr->cfg_shdr;
5178 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
5179 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
5180 if (shdr_status || shdr_add_status || rc) {
5181 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
5182 "3085 Mailbox x%x (x%x/x%x) failed, "
5183 "rc:x%x, status:x%x, add_status:x%x\n",
5184 bf_get(lpfc_mqe_command, &mboxq->u.mqe),
5185 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
5186 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
5187 rc, shdr_status, shdr_add_status);
5189 goto out_free_mboxq;
5191 cntl_attr = &mbx_cntl_attr->cntl_attr;
5192 phba->sli4_hba.lnk_info.lnk_dv = LPFC_LNK_DAT_VAL;
5193 phba->sli4_hba.lnk_info.lnk_tp =
5194 bf_get(lpfc_cntl_attr_lnk_type, cntl_attr);
5195 phba->sli4_hba.lnk_info.lnk_no =
5196 bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr);
5197 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5198 "3086 lnk_type:%d, lnk_numb:%d\n",
5199 phba->sli4_hba.lnk_info.lnk_tp,
5200 phba->sli4_hba.lnk_info.lnk_no);
5203 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_COMMON,
5204 LPFC_MBOX_OPCODE_GET_PORT_NAME,
5205 sizeof(struct lpfc_mbx_get_port_name) -
5206 sizeof(struct lpfc_sli4_cfg_mhdr),
5207 LPFC_SLI4_MBX_EMBED);
5208 get_port_name = &mboxq->u.mqe.un.get_port_name;
5209 shdr = (union lpfc_sli4_cfg_shdr *)&get_port_name->header.cfg_shdr;
5210 bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_OPCODE_VERSION_1);
5211 bf_set(lpfc_mbx_get_port_name_lnk_type, &get_port_name->u.request,
5212 phba->sli4_hba.lnk_info.lnk_tp);
5213 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
5214 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
5215 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
5216 if (shdr_status || shdr_add_status || rc) {
5217 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
5218 "3087 Mailbox x%x (x%x/x%x) failed: "
5219 "rc:x%x, status:x%x, add_status:x%x\n",
5220 bf_get(lpfc_mqe_command, &mboxq->u.mqe),
5221 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
5222 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
5223 rc, shdr_status, shdr_add_status);
5225 goto out_free_mboxq;
5227 switch (phba->sli4_hba.lnk_info.lnk_no) {
5228 case LPFC_LINK_NUMBER_0:
5229 cport_name = bf_get(lpfc_mbx_get_port_name_name0,
5230 &get_port_name->u.response);
5231 phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
5233 case LPFC_LINK_NUMBER_1:
5234 cport_name = bf_get(lpfc_mbx_get_port_name_name1,
5235 &get_port_name->u.response);
5236 phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
5238 case LPFC_LINK_NUMBER_2:
5239 cport_name = bf_get(lpfc_mbx_get_port_name_name2,
5240 &get_port_name->u.response);
5241 phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
5243 case LPFC_LINK_NUMBER_3:
5244 cport_name = bf_get(lpfc_mbx_get_port_name_name3,
5245 &get_port_name->u.response);
5246 phba->sli4_hba.pport_name_sta = LPFC_SLI4_PPNAME_GET;
5252 if (phba->sli4_hba.pport_name_sta == LPFC_SLI4_PPNAME_GET) {
5253 phba->Port[0] = cport_name;
5254 phba->Port[1] = '\0';
5255 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5256 "3091 SLI get port name: %s\n", phba->Port);
5260 if (rc != MBX_TIMEOUT) {
5261 if (bf_get(lpfc_mqe_command, &mboxq->u.mqe) == MBX_SLI4_CONFIG)
5262 lpfc_sli4_mbox_cmd_free(phba, mboxq);
5264 mempool_free(mboxq, phba->mbox_mem_pool);
5270 * lpfc_sli4_arm_cqeq_intr - Arm sli-4 device completion and event queues
5271 * @phba: pointer to lpfc hba data structure.
5273 * This routine is called to explicitly arm the SLI4 device's completion and
5277 lpfc_sli4_arm_cqeq_intr(struct lpfc_hba *phba)
5281 lpfc_sli4_cq_release(phba->sli4_hba.mbx_cq, LPFC_QUEUE_REARM);
5282 lpfc_sli4_cq_release(phba->sli4_hba.els_cq, LPFC_QUEUE_REARM);
5283 if (phba->sli4_hba.nvmels_cq)
5284 lpfc_sli4_cq_release(phba->sli4_hba.nvmels_cq,
5287 if (phba->sli4_hba.fcp_cq)
5288 for (qidx = 0; qidx < phba->cfg_fcp_io_channel; qidx++)
5289 lpfc_sli4_cq_release(phba->sli4_hba.fcp_cq[qidx],
5292 if (phba->sli4_hba.nvme_cq)
5293 for (qidx = 0; qidx < phba->cfg_nvme_io_channel; qidx++)
5294 lpfc_sli4_cq_release(phba->sli4_hba.nvme_cq[qidx],
5298 lpfc_sli4_cq_release(phba->sli4_hba.oas_cq, LPFC_QUEUE_REARM);
5300 if (phba->sli4_hba.hba_eq)
5301 for (qidx = 0; qidx < phba->io_channel_irqs; qidx++)
5302 lpfc_sli4_eq_release(phba->sli4_hba.hba_eq[qidx],
5305 if (phba->nvmet_support) {
5306 for (qidx = 0; qidx < phba->cfg_nvmet_mrq; qidx++) {
5307 lpfc_sli4_cq_release(
5308 phba->sli4_hba.nvmet_cqset[qidx],
5314 lpfc_sli4_eq_release(phba->sli4_hba.fof_eq, LPFC_QUEUE_REARM);
5318 * lpfc_sli4_get_avail_extnt_rsrc - Get available resource extent count.
5319 * @phba: Pointer to HBA context object.
5320 * @type: The resource extent type.
5321 * @extnt_count: buffer to hold port available extent count.
5322 * @extnt_size: buffer to hold element count per extent.
5324 * This function calls the port and retrievs the number of available
5325 * extents and their size for a particular extent type.
5327 * Returns: 0 if successful. Nonzero otherwise.
5330 lpfc_sli4_get_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type,
5331 uint16_t *extnt_count, uint16_t *extnt_size)
5336 struct lpfc_mbx_get_rsrc_extent_info *rsrc_info;
5339 mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5343 /* Find out how many extents are available for this resource type */
5344 length = (sizeof(struct lpfc_mbx_get_rsrc_extent_info) -
5345 sizeof(struct lpfc_sli4_cfg_mhdr));
5346 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
5347 LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO,
5348 length, LPFC_SLI4_MBX_EMBED);
5350 /* Send an extents count of 0 - the GET doesn't use it. */
5351 rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type,
5352 LPFC_SLI4_MBX_EMBED);
5358 if (!phba->sli4_hba.intr_enable)
5359 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
5361 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
5362 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
5369 rsrc_info = &mbox->u.mqe.un.rsrc_extent_info;
5370 if (bf_get(lpfc_mbox_hdr_status,
5371 &rsrc_info->header.cfg_shdr.response)) {
5372 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
5373 "2930 Failed to get resource extents "
5374 "Status 0x%x Add'l Status 0x%x\n",
5375 bf_get(lpfc_mbox_hdr_status,
5376 &rsrc_info->header.cfg_shdr.response),
5377 bf_get(lpfc_mbox_hdr_add_status,
5378 &rsrc_info->header.cfg_shdr.response));
5383 *extnt_count = bf_get(lpfc_mbx_get_rsrc_extent_info_cnt,
5385 *extnt_size = bf_get(lpfc_mbx_get_rsrc_extent_info_size,
5388 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
5389 "3162 Retrieved extents type-%d from port: count:%d, "
5390 "size:%d\n", type, *extnt_count, *extnt_size);
5393 mempool_free(mbox, phba->mbox_mem_pool);
5398 * lpfc_sli4_chk_avail_extnt_rsrc - Check for available SLI4 resource extents.
5399 * @phba: Pointer to HBA context object.
5400 * @type: The extent type to check.
5402 * This function reads the current available extents from the port and checks
5403 * if the extent count or extent size has changed since the last access.
5404 * Callers use this routine post port reset to understand if there is a
5405 * extent reprovisioning requirement.
5408 * -Error: error indicates problem.
5409 * 1: Extent count or size has changed.
5413 lpfc_sli4_chk_avail_extnt_rsrc(struct lpfc_hba *phba, uint16_t type)
5415 uint16_t curr_ext_cnt, rsrc_ext_cnt;
5416 uint16_t size_diff, rsrc_ext_size;
5418 struct lpfc_rsrc_blks *rsrc_entry;
5419 struct list_head *rsrc_blk_list = NULL;
5423 rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type,
5430 case LPFC_RSC_TYPE_FCOE_RPI:
5431 rsrc_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list;
5433 case LPFC_RSC_TYPE_FCOE_VPI:
5434 rsrc_blk_list = &phba->lpfc_vpi_blk_list;
5436 case LPFC_RSC_TYPE_FCOE_XRI:
5437 rsrc_blk_list = &phba->sli4_hba.lpfc_xri_blk_list;
5439 case LPFC_RSC_TYPE_FCOE_VFI:
5440 rsrc_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list;
5446 list_for_each_entry(rsrc_entry, rsrc_blk_list, list) {
5448 if (rsrc_entry->rsrc_size != rsrc_ext_size)
5452 if (curr_ext_cnt != rsrc_ext_cnt || size_diff != 0)
5459 * lpfc_sli4_cfg_post_extnts -
5460 * @phba: Pointer to HBA context object.
5461 * @extnt_cnt - number of available extents.
5462 * @type - the extent type (rpi, xri, vfi, vpi).
5463 * @emb - buffer to hold either MBX_EMBED or MBX_NEMBED operation.
5464 * @mbox - pointer to the caller's allocated mailbox structure.
5466 * This function executes the extents allocation request. It also
5467 * takes care of the amount of memory needed to allocate or get the
5468 * allocated extents. It is the caller's responsibility to evaluate
5472 * -Error: Error value describes the condition found.
5476 lpfc_sli4_cfg_post_extnts(struct lpfc_hba *phba, uint16_t extnt_cnt,
5477 uint16_t type, bool *emb, LPFC_MBOXQ_t *mbox)
5482 uint32_t alloc_len, mbox_tmo;
5484 /* Calculate the total requested length of the dma memory */
5485 req_len = extnt_cnt * sizeof(uint16_t);
5488 * Calculate the size of an embedded mailbox. The uint32_t
5489 * accounts for extents-specific word.
5491 emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) -
5495 * Presume the allocation and response will fit into an embedded
5496 * mailbox. If not true, reconfigure to a non-embedded mailbox.
5498 *emb = LPFC_SLI4_MBX_EMBED;
5499 if (req_len > emb_len) {
5500 req_len = extnt_cnt * sizeof(uint16_t) +
5501 sizeof(union lpfc_sli4_cfg_shdr) +
5503 *emb = LPFC_SLI4_MBX_NEMBED;
5506 alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
5507 LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT,
5509 if (alloc_len < req_len) {
5510 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
5511 "2982 Allocated DMA memory size (x%x) is "
5512 "less than the requested DMA memory "
5513 "size (x%x)\n", alloc_len, req_len);
5516 rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, extnt_cnt, type, *emb);
5520 if (!phba->sli4_hba.intr_enable)
5521 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
5523 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
5524 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
5533 * lpfc_sli4_alloc_extent - Allocate an SLI4 resource extent.
5534 * @phba: Pointer to HBA context object.
5535 * @type: The resource extent type to allocate.
5537 * This function allocates the number of elements for the specified
5541 lpfc_sli4_alloc_extent(struct lpfc_hba *phba, uint16_t type)
5544 uint16_t rsrc_id_cnt, rsrc_cnt, rsrc_size;
5545 uint16_t rsrc_id, rsrc_start, j, k;
5548 unsigned long longs;
5549 unsigned long *bmask;
5550 struct lpfc_rsrc_blks *rsrc_blks;
5553 struct lpfc_id_range *id_array = NULL;
5554 void *virtaddr = NULL;
5555 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc;
5556 struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext;
5557 struct list_head *ext_blk_list;
5559 rc = lpfc_sli4_get_avail_extnt_rsrc(phba, type,
5565 if ((rsrc_cnt == 0) || (rsrc_size == 0)) {
5566 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
5567 "3009 No available Resource Extents "
5568 "for resource type 0x%x: Count: 0x%x, "
5569 "Size 0x%x\n", type, rsrc_cnt,
5574 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_INIT | LOG_SLI,
5575 "2903 Post resource extents type-0x%x: "
5576 "count:%d, size %d\n", type, rsrc_cnt, rsrc_size);
5578 mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5582 rc = lpfc_sli4_cfg_post_extnts(phba, rsrc_cnt, type, &emb, mbox);
5589 * Figure out where the response is located. Then get local pointers
5590 * to the response data. The port does not guarantee to respond to
5591 * all extents counts request so update the local variable with the
5592 * allocated count from the port.
5594 if (emb == LPFC_SLI4_MBX_EMBED) {
5595 rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents;
5596 id_array = &rsrc_ext->u.rsp.id[0];
5597 rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp);
5599 virtaddr = mbox->sge_array->addr[0];
5600 n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr;
5601 rsrc_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc);
5602 id_array = &n_rsrc->id;
5605 longs = ((rsrc_cnt * rsrc_size) + BITS_PER_LONG - 1) / BITS_PER_LONG;
5606 rsrc_id_cnt = rsrc_cnt * rsrc_size;
5609 * Based on the resource size and count, correct the base and max
5612 length = sizeof(struct lpfc_rsrc_blks);
5614 case LPFC_RSC_TYPE_FCOE_RPI:
5615 phba->sli4_hba.rpi_bmask = kzalloc(longs *
5616 sizeof(unsigned long),
5618 if (unlikely(!phba->sli4_hba.rpi_bmask)) {
5622 phba->sli4_hba.rpi_ids = kzalloc(rsrc_id_cnt *
5625 if (unlikely(!phba->sli4_hba.rpi_ids)) {
5626 kfree(phba->sli4_hba.rpi_bmask);
5632 * The next_rpi was initialized with the maximum available
5633 * count but the port may allocate a smaller number. Catch
5634 * that case and update the next_rpi.
5636 phba->sli4_hba.next_rpi = rsrc_id_cnt;
5638 /* Initialize local ptrs for common extent processing later. */
5639 bmask = phba->sli4_hba.rpi_bmask;
5640 ids = phba->sli4_hba.rpi_ids;
5641 ext_blk_list = &phba->sli4_hba.lpfc_rpi_blk_list;
5643 case LPFC_RSC_TYPE_FCOE_VPI:
5644 phba->vpi_bmask = kzalloc(longs *
5645 sizeof(unsigned long),
5647 if (unlikely(!phba->vpi_bmask)) {
5651 phba->vpi_ids = kzalloc(rsrc_id_cnt *
5654 if (unlikely(!phba->vpi_ids)) {
5655 kfree(phba->vpi_bmask);
5660 /* Initialize local ptrs for common extent processing later. */
5661 bmask = phba->vpi_bmask;
5662 ids = phba->vpi_ids;
5663 ext_blk_list = &phba->lpfc_vpi_blk_list;
5665 case LPFC_RSC_TYPE_FCOE_XRI:
5666 phba->sli4_hba.xri_bmask = kzalloc(longs *
5667 sizeof(unsigned long),
5669 if (unlikely(!phba->sli4_hba.xri_bmask)) {
5673 phba->sli4_hba.max_cfg_param.xri_used = 0;
5674 phba->sli4_hba.xri_ids = kzalloc(rsrc_id_cnt *
5677 if (unlikely(!phba->sli4_hba.xri_ids)) {
5678 kfree(phba->sli4_hba.xri_bmask);
5683 /* Initialize local ptrs for common extent processing later. */
5684 bmask = phba->sli4_hba.xri_bmask;
5685 ids = phba->sli4_hba.xri_ids;
5686 ext_blk_list = &phba->sli4_hba.lpfc_xri_blk_list;
5688 case LPFC_RSC_TYPE_FCOE_VFI:
5689 phba->sli4_hba.vfi_bmask = kzalloc(longs *
5690 sizeof(unsigned long),
5692 if (unlikely(!phba->sli4_hba.vfi_bmask)) {
5696 phba->sli4_hba.vfi_ids = kzalloc(rsrc_id_cnt *
5699 if (unlikely(!phba->sli4_hba.vfi_ids)) {
5700 kfree(phba->sli4_hba.vfi_bmask);
5705 /* Initialize local ptrs for common extent processing later. */
5706 bmask = phba->sli4_hba.vfi_bmask;
5707 ids = phba->sli4_hba.vfi_ids;
5708 ext_blk_list = &phba->sli4_hba.lpfc_vfi_blk_list;
5711 /* Unsupported Opcode. Fail call. */
5715 ext_blk_list = NULL;
5720 * Complete initializing the extent configuration with the
5721 * allocated ids assigned to this function. The bitmask serves
5722 * as an index into the array and manages the available ids. The
5723 * array just stores the ids communicated to the port via the wqes.
5725 for (i = 0, j = 0, k = 0; i < rsrc_cnt; i++) {
5727 rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_0,
5730 rsrc_id = bf_get(lpfc_mbx_rsrc_id_word4_1,
5733 rsrc_blks = kzalloc(length, GFP_KERNEL);
5734 if (unlikely(!rsrc_blks)) {
5740 rsrc_blks->rsrc_start = rsrc_id;
5741 rsrc_blks->rsrc_size = rsrc_size;
5742 list_add_tail(&rsrc_blks->list, ext_blk_list);
5743 rsrc_start = rsrc_id;
5744 if ((type == LPFC_RSC_TYPE_FCOE_XRI) && (j == 0)) {
5745 phba->sli4_hba.scsi_xri_start = rsrc_start +
5746 lpfc_sli4_get_iocb_cnt(phba);
5747 phba->sli4_hba.nvme_xri_start =
5748 phba->sli4_hba.scsi_xri_start +
5749 phba->sli4_hba.scsi_xri_max;
5752 while (rsrc_id < (rsrc_start + rsrc_size)) {
5757 /* Entire word processed. Get next word.*/
5762 lpfc_sli4_mbox_cmd_free(phba, mbox);
5769 * lpfc_sli4_dealloc_extent - Deallocate an SLI4 resource extent.
5770 * @phba: Pointer to HBA context object.
5771 * @type: the extent's type.
5773 * This function deallocates all extents of a particular resource type.
5774 * SLI4 does not allow for deallocating a particular extent range. It
5775 * is the caller's responsibility to release all kernel memory resources.
5778 lpfc_sli4_dealloc_extent(struct lpfc_hba *phba, uint16_t type)
5781 uint32_t length, mbox_tmo = 0;
5783 struct lpfc_mbx_dealloc_rsrc_extents *dealloc_rsrc;
5784 struct lpfc_rsrc_blks *rsrc_blk, *rsrc_blk_next;
5786 mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
5791 * This function sends an embedded mailbox because it only sends the
5792 * the resource type. All extents of this type are released by the
5795 length = (sizeof(struct lpfc_mbx_dealloc_rsrc_extents) -
5796 sizeof(struct lpfc_sli4_cfg_mhdr));
5797 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
5798 LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT,
5799 length, LPFC_SLI4_MBX_EMBED);
5801 /* Send an extents count of 0 - the dealloc doesn't use it. */
5802 rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, 0, type,
5803 LPFC_SLI4_MBX_EMBED);
5808 if (!phba->sli4_hba.intr_enable)
5809 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
5811 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
5812 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
5819 dealloc_rsrc = &mbox->u.mqe.un.dealloc_rsrc_extents;
5820 if (bf_get(lpfc_mbox_hdr_status,
5821 &dealloc_rsrc->header.cfg_shdr.response)) {
5822 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
5823 "2919 Failed to release resource extents "
5824 "for type %d - Status 0x%x Add'l Status 0x%x. "
5825 "Resource memory not released.\n",
5827 bf_get(lpfc_mbox_hdr_status,
5828 &dealloc_rsrc->header.cfg_shdr.response),
5829 bf_get(lpfc_mbox_hdr_add_status,
5830 &dealloc_rsrc->header.cfg_shdr.response));
5835 /* Release kernel memory resources for the specific type. */
5837 case LPFC_RSC_TYPE_FCOE_VPI:
5838 kfree(phba->vpi_bmask);
5839 kfree(phba->vpi_ids);
5840 bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
5841 list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
5842 &phba->lpfc_vpi_blk_list, list) {
5843 list_del_init(&rsrc_blk->list);
5846 phba->sli4_hba.max_cfg_param.vpi_used = 0;
5848 case LPFC_RSC_TYPE_FCOE_XRI:
5849 kfree(phba->sli4_hba.xri_bmask);
5850 kfree(phba->sli4_hba.xri_ids);
5851 list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
5852 &phba->sli4_hba.lpfc_xri_blk_list, list) {
5853 list_del_init(&rsrc_blk->list);
5857 case LPFC_RSC_TYPE_FCOE_VFI:
5858 kfree(phba->sli4_hba.vfi_bmask);
5859 kfree(phba->sli4_hba.vfi_ids);
5860 bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
5861 list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
5862 &phba->sli4_hba.lpfc_vfi_blk_list, list) {
5863 list_del_init(&rsrc_blk->list);
5867 case LPFC_RSC_TYPE_FCOE_RPI:
5868 /* RPI bitmask and physical id array are cleaned up earlier. */
5869 list_for_each_entry_safe(rsrc_blk, rsrc_blk_next,
5870 &phba->sli4_hba.lpfc_rpi_blk_list, list) {
5871 list_del_init(&rsrc_blk->list);
5879 bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
5882 mempool_free(mbox, phba->mbox_mem_pool);
5887 lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox,
5892 len = sizeof(struct lpfc_mbx_set_feature) -
5893 sizeof(struct lpfc_sli4_cfg_mhdr);
5894 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
5895 LPFC_MBOX_OPCODE_SET_FEATURES, len,
5896 LPFC_SLI4_MBX_EMBED);
5899 case LPFC_SET_UE_RECOVERY:
5900 bf_set(lpfc_mbx_set_feature_UER,
5901 &mbox->u.mqe.un.set_feature, 1);
5902 mbox->u.mqe.un.set_feature.feature = LPFC_SET_UE_RECOVERY;
5903 mbox->u.mqe.un.set_feature.param_len = 8;
5905 case LPFC_SET_MDS_DIAGS:
5906 bf_set(lpfc_mbx_set_feature_mds,
5907 &mbox->u.mqe.un.set_feature, 1);
5908 bf_set(lpfc_mbx_set_feature_mds_deep_loopbk,
5909 &mbox->u.mqe.un.set_feature, 0);
5910 mbox->u.mqe.un.set_feature.feature = LPFC_SET_MDS_DIAGS;
5911 mbox->u.mqe.un.set_feature.param_len = 8;
5919 * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents.
5920 * @phba: Pointer to HBA context object.
5922 * This function allocates all SLI4 resource identifiers.
5925 lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba)
5927 int i, rc, error = 0;
5928 uint16_t count, base;
5929 unsigned long longs;
5931 if (!phba->sli4_hba.rpi_hdrs_in_use)
5932 phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
5933 if (phba->sli4_hba.extents_in_use) {
5935 * The port supports resource extents. The XRI, VPI, VFI, RPI
5936 * resource extent count must be read and allocated before
5937 * provisioning the resource id arrays.
5939 if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) ==
5940 LPFC_IDX_RSRC_RDY) {
5942 * Extent-based resources are set - the driver could
5943 * be in a port reset. Figure out if any corrective
5944 * actions need to be taken.
5946 rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
5947 LPFC_RSC_TYPE_FCOE_VFI);
5950 rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
5951 LPFC_RSC_TYPE_FCOE_VPI);
5954 rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
5955 LPFC_RSC_TYPE_FCOE_XRI);
5958 rc = lpfc_sli4_chk_avail_extnt_rsrc(phba,
5959 LPFC_RSC_TYPE_FCOE_RPI);
5964 * It's possible that the number of resources
5965 * provided to this port instance changed between
5966 * resets. Detect this condition and reallocate
5967 * resources. Otherwise, there is no action.
5970 lpfc_printf_log(phba, KERN_INFO,
5971 LOG_MBOX | LOG_INIT,
5972 "2931 Detected extent resource "
5973 "change. Reallocating all "
5975 rc = lpfc_sli4_dealloc_extent(phba,
5976 LPFC_RSC_TYPE_FCOE_VFI);
5977 rc = lpfc_sli4_dealloc_extent(phba,
5978 LPFC_RSC_TYPE_FCOE_VPI);
5979 rc = lpfc_sli4_dealloc_extent(phba,
5980 LPFC_RSC_TYPE_FCOE_XRI);
5981 rc = lpfc_sli4_dealloc_extent(phba,
5982 LPFC_RSC_TYPE_FCOE_RPI);
5987 rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI);
5991 rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI);
5995 rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI);
5999 rc = lpfc_sli4_alloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI);
6002 bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags,
6007 * The port does not support resource extents. The XRI, VPI,
6008 * VFI, RPI resource ids were determined from READ_CONFIG.
6009 * Just allocate the bitmasks and provision the resource id
6010 * arrays. If a port reset is active, the resources don't
6011 * need any action - just exit.
6013 if (bf_get(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags) ==
6014 LPFC_IDX_RSRC_RDY) {
6015 lpfc_sli4_dealloc_resource_identifiers(phba);
6016 lpfc_sli4_remove_rpis(phba);
6019 count = phba->sli4_hba.max_cfg_param.max_rpi;
6021 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6022 "3279 Invalid provisioning of "
6027 base = phba->sli4_hba.max_cfg_param.rpi_base;
6028 longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
6029 phba->sli4_hba.rpi_bmask = kzalloc(longs *
6030 sizeof(unsigned long),
6032 if (unlikely(!phba->sli4_hba.rpi_bmask)) {
6036 phba->sli4_hba.rpi_ids = kzalloc(count *
6039 if (unlikely(!phba->sli4_hba.rpi_ids)) {
6041 goto free_rpi_bmask;
6044 for (i = 0; i < count; i++)
6045 phba->sli4_hba.rpi_ids[i] = base + i;
6048 count = phba->sli4_hba.max_cfg_param.max_vpi;
6050 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6051 "3280 Invalid provisioning of "
6056 base = phba->sli4_hba.max_cfg_param.vpi_base;
6057 longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
6058 phba->vpi_bmask = kzalloc(longs *
6059 sizeof(unsigned long),
6061 if (unlikely(!phba->vpi_bmask)) {
6065 phba->vpi_ids = kzalloc(count *
6068 if (unlikely(!phba->vpi_ids)) {
6070 goto free_vpi_bmask;
6073 for (i = 0; i < count; i++)
6074 phba->vpi_ids[i] = base + i;
6077 count = phba->sli4_hba.max_cfg_param.max_xri;
6079 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6080 "3281 Invalid provisioning of "
6085 base = phba->sli4_hba.max_cfg_param.xri_base;
6086 longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
6087 phba->sli4_hba.xri_bmask = kzalloc(longs *
6088 sizeof(unsigned long),
6090 if (unlikely(!phba->sli4_hba.xri_bmask)) {
6094 phba->sli4_hba.max_cfg_param.xri_used = 0;
6095 phba->sli4_hba.xri_ids = kzalloc(count *
6098 if (unlikely(!phba->sli4_hba.xri_ids)) {
6100 goto free_xri_bmask;
6103 for (i = 0; i < count; i++)
6104 phba->sli4_hba.xri_ids[i] = base + i;
6107 count = phba->sli4_hba.max_cfg_param.max_vfi;
6109 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6110 "3282 Invalid provisioning of "
6115 base = phba->sli4_hba.max_cfg_param.vfi_base;
6116 longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;
6117 phba->sli4_hba.vfi_bmask = kzalloc(longs *
6118 sizeof(unsigned long),
6120 if (unlikely(!phba->sli4_hba.vfi_bmask)) {
6124 phba->sli4_hba.vfi_ids = kzalloc(count *
6127 if (unlikely(!phba->sli4_hba.vfi_ids)) {
6129 goto free_vfi_bmask;
6132 for (i = 0; i < count; i++)
6133 phba->sli4_hba.vfi_ids[i] = base + i;
6136 * Mark all resources ready. An HBA reset doesn't need
6137 * to reset the initialization.
6139 bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags,
6145 kfree(phba->sli4_hba.vfi_bmask);
6146 phba->sli4_hba.vfi_bmask = NULL;
6148 kfree(phba->sli4_hba.xri_ids);
6149 phba->sli4_hba.xri_ids = NULL;
6151 kfree(phba->sli4_hba.xri_bmask);
6152 phba->sli4_hba.xri_bmask = NULL;
6154 kfree(phba->vpi_ids);
6155 phba->vpi_ids = NULL;
6157 kfree(phba->vpi_bmask);
6158 phba->vpi_bmask = NULL;
6160 kfree(phba->sli4_hba.rpi_ids);
6161 phba->sli4_hba.rpi_ids = NULL;
6163 kfree(phba->sli4_hba.rpi_bmask);
6164 phba->sli4_hba.rpi_bmask = NULL;
6170 * lpfc_sli4_dealloc_resource_identifiers - Deallocate all SLI4 resource extents.
6171 * @phba: Pointer to HBA context object.
6173 * This function allocates the number of elements for the specified
6177 lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *phba)
6179 if (phba->sli4_hba.extents_in_use) {
6180 lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VPI);
6181 lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_RPI);
6182 lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_XRI);
6183 lpfc_sli4_dealloc_extent(phba, LPFC_RSC_TYPE_FCOE_VFI);
6185 kfree(phba->vpi_bmask);
6186 phba->sli4_hba.max_cfg_param.vpi_used = 0;
6187 kfree(phba->vpi_ids);
6188 bf_set(lpfc_vpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
6189 kfree(phba->sli4_hba.xri_bmask);
6190 kfree(phba->sli4_hba.xri_ids);
6191 kfree(phba->sli4_hba.vfi_bmask);
6192 kfree(phba->sli4_hba.vfi_ids);
6193 bf_set(lpfc_vfi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
6194 bf_set(lpfc_idx_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
6201 * lpfc_sli4_get_allocated_extnts - Get the port's allocated extents.
6202 * @phba: Pointer to HBA context object.
6203 * @type: The resource extent type.
6204 * @extnt_count: buffer to hold port extent count response
6205 * @extnt_size: buffer to hold port extent size response.
6207 * This function calls the port to read the host allocated extents
6208 * for a particular type.
6211 lpfc_sli4_get_allocated_extnts(struct lpfc_hba *phba, uint16_t type,
6212 uint16_t *extnt_cnt, uint16_t *extnt_size)
6216 uint16_t curr_blks = 0;
6217 uint32_t req_len, emb_len;
6218 uint32_t alloc_len, mbox_tmo;
6219 struct list_head *blk_list_head;
6220 struct lpfc_rsrc_blks *rsrc_blk;
6222 void *virtaddr = NULL;
6223 struct lpfc_mbx_nembed_rsrc_extent *n_rsrc;
6224 struct lpfc_mbx_alloc_rsrc_extents *rsrc_ext;
6225 union lpfc_sli4_cfg_shdr *shdr;
6228 case LPFC_RSC_TYPE_FCOE_VPI:
6229 blk_list_head = &phba->lpfc_vpi_blk_list;
6231 case LPFC_RSC_TYPE_FCOE_XRI:
6232 blk_list_head = &phba->sli4_hba.lpfc_xri_blk_list;
6234 case LPFC_RSC_TYPE_FCOE_VFI:
6235 blk_list_head = &phba->sli4_hba.lpfc_vfi_blk_list;
6237 case LPFC_RSC_TYPE_FCOE_RPI:
6238 blk_list_head = &phba->sli4_hba.lpfc_rpi_blk_list;
6244 /* Count the number of extents currently allocatd for this type. */
6245 list_for_each_entry(rsrc_blk, blk_list_head, list) {
6246 if (curr_blks == 0) {
6248 * The GET_ALLOCATED mailbox does not return the size,
6249 * just the count. The size should be just the size
6250 * stored in the current allocated block and all sizes
6251 * for an extent type are the same so set the return
6254 *extnt_size = rsrc_blk->rsrc_size;
6260 * Calculate the size of an embedded mailbox. The uint32_t
6261 * accounts for extents-specific word.
6263 emb_len = sizeof(MAILBOX_t) - sizeof(struct mbox_header) -
6267 * Presume the allocation and response will fit into an embedded
6268 * mailbox. If not true, reconfigure to a non-embedded mailbox.
6270 emb = LPFC_SLI4_MBX_EMBED;
6272 if (req_len > emb_len) {
6273 req_len = curr_blks * sizeof(uint16_t) +
6274 sizeof(union lpfc_sli4_cfg_shdr) +
6276 emb = LPFC_SLI4_MBX_NEMBED;
6279 mbox = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6282 memset(mbox, 0, sizeof(LPFC_MBOXQ_t));
6284 alloc_len = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
6285 LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT,
6287 if (alloc_len < req_len) {
6288 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6289 "2983 Allocated DMA memory size (x%x) is "
6290 "less than the requested DMA memory "
6291 "size (x%x)\n", alloc_len, req_len);
6295 rc = lpfc_sli4_mbox_rsrc_extent(phba, mbox, curr_blks, type, emb);
6301 if (!phba->sli4_hba.intr_enable)
6302 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
6304 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
6305 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
6314 * Figure out where the response is located. Then get local pointers
6315 * to the response data. The port does not guarantee to respond to
6316 * all extents counts request so update the local variable with the
6317 * allocated count from the port.
6319 if (emb == LPFC_SLI4_MBX_EMBED) {
6320 rsrc_ext = &mbox->u.mqe.un.alloc_rsrc_extents;
6321 shdr = &rsrc_ext->header.cfg_shdr;
6322 *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, &rsrc_ext->u.rsp);
6324 virtaddr = mbox->sge_array->addr[0];
6325 n_rsrc = (struct lpfc_mbx_nembed_rsrc_extent *) virtaddr;
6326 shdr = &n_rsrc->cfg_shdr;
6327 *extnt_cnt = bf_get(lpfc_mbx_rsrc_cnt, n_rsrc);
6330 if (bf_get(lpfc_mbox_hdr_status, &shdr->response)) {
6331 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_INIT,
6332 "2984 Failed to read allocated resources "
6333 "for type %d - Status 0x%x Add'l Status 0x%x.\n",
6335 bf_get(lpfc_mbox_hdr_status, &shdr->response),
6336 bf_get(lpfc_mbox_hdr_add_status, &shdr->response));
6341 lpfc_sli4_mbox_cmd_free(phba, mbox);
6346 * lpfc_sli4_repost_sgl_list - Repost the buffers sgl pages as block
6347 * @phba: pointer to lpfc hba data structure.
6348 * @pring: Pointer to driver SLI ring object.
6349 * @sgl_list: linked link of sgl buffers to post
6350 * @cnt: number of linked list buffers
6352 * This routine walks the list of buffers that have been allocated and
6353 * repost them to the port by using SGL block post. This is needed after a
6354 * pci_function_reset/warm_start or start. It attempts to construct blocks
6355 * of buffer sgls which contains contiguous xris and uses the non-embedded
6356 * SGL block post mailbox commands to post them to the port. For single
6357 * buffer sgl with non-contiguous xri, if any, it shall use embedded SGL post
6358 * mailbox command for posting.
6360 * Returns: 0 = success, non-zero failure.
6363 lpfc_sli4_repost_sgl_list(struct lpfc_hba *phba,
6364 struct list_head *sgl_list, int cnt)
6366 struct lpfc_sglq *sglq_entry = NULL;
6367 struct lpfc_sglq *sglq_entry_next = NULL;
6368 struct lpfc_sglq *sglq_entry_first = NULL;
6369 int status, total_cnt;
6370 int post_cnt = 0, num_posted = 0, block_cnt = 0;
6371 int last_xritag = NO_XRI;
6372 LIST_HEAD(prep_sgl_list);
6373 LIST_HEAD(blck_sgl_list);
6374 LIST_HEAD(allc_sgl_list);
6375 LIST_HEAD(post_sgl_list);
6376 LIST_HEAD(free_sgl_list);
6378 spin_lock_irq(&phba->hbalock);
6379 spin_lock(&phba->sli4_hba.sgl_list_lock);
6380 list_splice_init(sgl_list, &allc_sgl_list);
6381 spin_unlock(&phba->sli4_hba.sgl_list_lock);
6382 spin_unlock_irq(&phba->hbalock);
6385 list_for_each_entry_safe(sglq_entry, sglq_entry_next,
6386 &allc_sgl_list, list) {
6387 list_del_init(&sglq_entry->list);
6389 if ((last_xritag != NO_XRI) &&
6390 (sglq_entry->sli4_xritag != last_xritag + 1)) {
6391 /* a hole in xri block, form a sgl posting block */
6392 list_splice_init(&prep_sgl_list, &blck_sgl_list);
6393 post_cnt = block_cnt - 1;
6394 /* prepare list for next posting block */
6395 list_add_tail(&sglq_entry->list, &prep_sgl_list);
6398 /* prepare list for next posting block */
6399 list_add_tail(&sglq_entry->list, &prep_sgl_list);
6400 /* enough sgls for non-embed sgl mbox command */
6401 if (block_cnt == LPFC_NEMBED_MBOX_SGL_CNT) {
6402 list_splice_init(&prep_sgl_list,
6404 post_cnt = block_cnt;
6410 /* keep track of last sgl's xritag */
6411 last_xritag = sglq_entry->sli4_xritag;
6413 /* end of repost sgl list condition for buffers */
6414 if (num_posted == total_cnt) {
6415 if (post_cnt == 0) {
6416 list_splice_init(&prep_sgl_list,
6418 post_cnt = block_cnt;
6419 } else if (block_cnt == 1) {
6420 status = lpfc_sli4_post_sgl(phba,
6421 sglq_entry->phys, 0,
6422 sglq_entry->sli4_xritag);
6424 /* successful, put sgl to posted list */
6425 list_add_tail(&sglq_entry->list,
6428 /* Failure, put sgl to free list */
6429 lpfc_printf_log(phba, KERN_WARNING,
6431 "3159 Failed to post "
6432 "sgl, xritag:x%x\n",
6433 sglq_entry->sli4_xritag);
6434 list_add_tail(&sglq_entry->list,
6441 /* continue until a nembed page worth of sgls */
6445 /* post the buffer list sgls as a block */
6446 status = lpfc_sli4_post_sgl_list(phba, &blck_sgl_list,
6450 /* success, put sgl list to posted sgl list */
6451 list_splice_init(&blck_sgl_list, &post_sgl_list);
6453 /* Failure, put sgl list to free sgl list */
6454 sglq_entry_first = list_first_entry(&blck_sgl_list,
6457 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
6458 "3160 Failed to post sgl-list, "
6460 sglq_entry_first->sli4_xritag,
6461 (sglq_entry_first->sli4_xritag +
6463 list_splice_init(&blck_sgl_list, &free_sgl_list);
6464 total_cnt -= post_cnt;
6467 /* don't reset xirtag due to hole in xri block */
6469 last_xritag = NO_XRI;
6471 /* reset sgl post count for next round of posting */
6475 /* free the sgls failed to post */
6476 lpfc_free_sgl_list(phba, &free_sgl_list);
6478 /* push sgls posted to the available list */
6479 if (!list_empty(&post_sgl_list)) {
6480 spin_lock_irq(&phba->hbalock);
6481 spin_lock(&phba->sli4_hba.sgl_list_lock);
6482 list_splice_init(&post_sgl_list, sgl_list);
6483 spin_unlock(&phba->sli4_hba.sgl_list_lock);
6484 spin_unlock_irq(&phba->hbalock);
6486 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
6487 "3161 Failure to post sgl to port.\n");
6491 /* return the number of XRIs actually posted */
6496 lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
6500 len = sizeof(struct lpfc_mbx_set_host_data) -
6501 sizeof(struct lpfc_sli4_cfg_mhdr);
6502 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
6503 LPFC_MBOX_OPCODE_SET_HOST_DATA, len,
6504 LPFC_SLI4_MBX_EMBED);
6506 mbox->u.mqe.un.set_host_data.param_id = LPFC_SET_HOST_OS_DRIVER_VERSION;
6507 mbox->u.mqe.un.set_host_data.param_len =
6508 LPFC_HOST_OS_DRIVER_VERSION_SIZE;
6509 snprintf(mbox->u.mqe.un.set_host_data.data,
6510 LPFC_HOST_OS_DRIVER_VERSION_SIZE,
6511 "Linux %s v"LPFC_DRIVER_VERSION,
6512 (phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC");
6516 * lpfc_sli4_hba_setup - SLI4 device initialization PCI function
6517 * @phba: Pointer to HBA context object.
6519 * This function is the main SLI4 device initialization PCI function. This
6520 * function is called by the HBA initialization code, HBA reset code and
6521 * HBA error attention handler code. Caller is not required to hold any
6525 lpfc_sli4_hba_setup(struct lpfc_hba *phba)
6528 LPFC_MBOXQ_t *mboxq;
6529 struct lpfc_mqe *mqe;
6532 uint32_t ftr_rsp = 0;
6533 struct Scsi_Host *shost = lpfc_shost_from_vport(phba->pport);
6534 struct lpfc_vport *vport = phba->pport;
6535 struct lpfc_dmabuf *mp;
6536 struct lpfc_rqb *rqbp;
6538 /* Perform a PCI function reset to start from clean */
6539 rc = lpfc_pci_function_reset(phba);
6543 /* Check the HBA Host Status Register for readyness */
6544 rc = lpfc_sli4_post_status_check(phba);
6548 spin_lock_irq(&phba->hbalock);
6549 phba->sli.sli_flag |= LPFC_SLI_ACTIVE;
6550 spin_unlock_irq(&phba->hbalock);
6554 * Allocate a single mailbox container for initializing the
6557 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
6561 /* Issue READ_REV to collect vpd and FW information. */
6562 vpd_size = SLI4_PAGE_SIZE;
6563 vpd = kzalloc(vpd_size, GFP_KERNEL);
6569 rc = lpfc_sli4_read_rev(phba, mboxq, vpd, &vpd_size);
6575 mqe = &mboxq->u.mqe;
6576 phba->sli_rev = bf_get(lpfc_mbx_rd_rev_sli_lvl, &mqe->un.read_rev);
6577 if (bf_get(lpfc_mbx_rd_rev_fcoe, &mqe->un.read_rev)) {
6578 phba->hba_flag |= HBA_FCOE_MODE;
6579 phba->fcp_embed_io = 0; /* SLI4 FC support only */
6581 phba->hba_flag &= ~HBA_FCOE_MODE;
6584 if (bf_get(lpfc_mbx_rd_rev_cee_ver, &mqe->un.read_rev) ==
6586 phba->hba_flag |= HBA_FIP_SUPPORT;
6588 phba->hba_flag &= ~HBA_FIP_SUPPORT;
6590 phba->hba_flag &= ~HBA_FCP_IOQ_FLUSH;
6592 if (phba->sli_rev != LPFC_SLI_REV4) {
6593 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6594 "0376 READ_REV Error. SLI Level %d "
6595 "FCoE enabled %d\n",
6596 phba->sli_rev, phba->hba_flag & HBA_FCOE_MODE);
6603 * Continue initialization with default values even if driver failed
6604 * to read FCoE param config regions, only read parameters if the
6607 if (phba->hba_flag & HBA_FCOE_MODE &&
6608 lpfc_sli4_read_fcoe_params(phba))
6609 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_INIT,
6610 "2570 Failed to read FCoE parameters\n");
6613 * Retrieve sli4 device physical port name, failure of doing it
6614 * is considered as non-fatal.
6616 rc = lpfc_sli4_retrieve_pport_name(phba);
6618 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
6619 "3080 Successful retrieving SLI4 device "
6620 "physical port name: %s.\n", phba->Port);
6623 * Evaluate the read rev and vpd data. Populate the driver
6624 * state with the results. If this routine fails, the failure
6625 * is not fatal as the driver will use generic values.
6627 rc = lpfc_parse_vpd(phba, vpd, vpd_size);
6628 if (unlikely(!rc)) {
6629 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6630 "0377 Error %d parsing vpd. "
6631 "Using defaults.\n", rc);
6636 /* Save information as VPD data */
6637 phba->vpd.rev.biuRev = mqe->un.read_rev.first_hw_rev;
6638 phba->vpd.rev.smRev = mqe->un.read_rev.second_hw_rev;
6639 phba->vpd.rev.endecRev = mqe->un.read_rev.third_hw_rev;
6640 phba->vpd.rev.fcphHigh = bf_get(lpfc_mbx_rd_rev_fcph_high,
6642 phba->vpd.rev.fcphLow = bf_get(lpfc_mbx_rd_rev_fcph_low,
6644 phba->vpd.rev.feaLevelHigh = bf_get(lpfc_mbx_rd_rev_ftr_lvl_high,
6646 phba->vpd.rev.feaLevelLow = bf_get(lpfc_mbx_rd_rev_ftr_lvl_low,
6648 phba->vpd.rev.sli1FwRev = mqe->un.read_rev.fw_id_rev;
6649 memcpy(phba->vpd.rev.sli1FwName, mqe->un.read_rev.fw_name, 16);
6650 phba->vpd.rev.sli2FwRev = mqe->un.read_rev.ulp_fw_id_rev;
6651 memcpy(phba->vpd.rev.sli2FwName, mqe->un.read_rev.ulp_fw_name, 16);
6652 phba->vpd.rev.opFwRev = mqe->un.read_rev.fw_id_rev;
6653 memcpy(phba->vpd.rev.opFwName, mqe->un.read_rev.fw_name, 16);
6654 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
6655 "(%d):0380 READ_REV Status x%x "
6656 "fw_rev:%s fcphHi:%x fcphLo:%x flHi:%x flLo:%x\n",
6657 mboxq->vport ? mboxq->vport->vpi : 0,
6658 bf_get(lpfc_mqe_status, mqe),
6659 phba->vpd.rev.opFwName,
6660 phba->vpd.rev.fcphHigh, phba->vpd.rev.fcphLow,
6661 phba->vpd.rev.feaLevelHigh, phba->vpd.rev.feaLevelLow);
6663 /* Reset the DFT_LUN_Q_DEPTH to (max xri >> 3) */
6664 rc = (phba->sli4_hba.max_cfg_param.max_xri >> 3);
6665 if (phba->pport->cfg_lun_queue_depth > rc) {
6666 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
6667 "3362 LUN queue depth changed from %d to %d\n",
6668 phba->pport->cfg_lun_queue_depth, rc);
6669 phba->pport->cfg_lun_queue_depth = rc;
6672 if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
6673 LPFC_SLI_INTF_IF_TYPE_0) {
6674 lpfc_set_features(phba, mboxq, LPFC_SET_UE_RECOVERY);
6675 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6676 if (rc == MBX_SUCCESS) {
6677 phba->hba_flag |= HBA_RECOVERABLE_UE;
6678 /* Set 1Sec interval to detect UE */
6679 phba->eratt_poll_interval = 1;
6680 phba->sli4_hba.ue_to_sr = bf_get(
6681 lpfc_mbx_set_feature_UESR,
6682 &mboxq->u.mqe.un.set_feature);
6683 phba->sli4_hba.ue_to_rp = bf_get(
6684 lpfc_mbx_set_feature_UERP,
6685 &mboxq->u.mqe.un.set_feature);
6689 if (phba->cfg_enable_mds_diags && phba->mds_diags_support) {
6690 /* Enable MDS Diagnostics only if the SLI Port supports it */
6691 lpfc_set_features(phba, mboxq, LPFC_SET_MDS_DIAGS);
6692 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6693 if (rc != MBX_SUCCESS)
6694 phba->mds_diags_support = 0;
6698 * Discover the port's supported feature set and match it against the
6701 lpfc_request_features(phba, mboxq);
6702 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6709 * The port must support FCP initiator mode as this is the
6710 * only mode running in the host.
6712 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_fcpi, &mqe->un.req_ftrs))) {
6713 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
6714 "0378 No support for fcpi mode.\n");
6717 if (bf_get(lpfc_mbx_rq_ftr_rsp_perfh, &mqe->un.req_ftrs))
6718 phba->sli3_options |= LPFC_SLI4_PERFH_ENABLED;
6720 phba->sli3_options &= ~LPFC_SLI4_PERFH_ENABLED;
6722 * If the port cannot support the host's requested features
6723 * then turn off the global config parameters to disable the
6724 * feature in the driver. This is not a fatal error.
6726 phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED;
6727 if (phba->cfg_enable_bg) {
6728 if (bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))
6729 phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
6734 if (phba->max_vpi && phba->cfg_enable_npiv &&
6735 !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs)))
6739 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
6740 "0379 Feature Mismatch Data: x%08x %08x "
6741 "x%x x%x x%x\n", mqe->un.req_ftrs.word2,
6742 mqe->un.req_ftrs.word3, phba->cfg_enable_bg,
6743 phba->cfg_enable_npiv, phba->max_vpi);
6744 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs)))
6745 phba->cfg_enable_bg = 0;
6746 if (!(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs)))
6747 phba->cfg_enable_npiv = 0;
6750 /* These SLI3 features are assumed in SLI4 */
6751 spin_lock_irq(&phba->hbalock);
6752 phba->sli3_options |= (LPFC_SLI3_NPIV_ENABLED | LPFC_SLI3_HBQ_ENABLED);
6753 spin_unlock_irq(&phba->hbalock);
6756 * Allocate all resources (xri,rpi,vpi,vfi) now. Subsequent
6757 * calls depends on these resources to complete port setup.
6759 rc = lpfc_sli4_alloc_resource_identifiers(phba);
6761 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6762 "2920 Failed to alloc Resource IDs "
6767 lpfc_set_host_data(phba, mboxq);
6769 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6771 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
6772 "2134 Failed to set host os driver version %x",
6776 /* Read the port's service parameters. */
6777 rc = lpfc_read_sparam(phba, mboxq, vport->vpi);
6779 phba->link_state = LPFC_HBA_ERROR;
6784 mboxq->vport = vport;
6785 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6786 mp = (struct lpfc_dmabuf *) mboxq->context1;
6787 if (rc == MBX_SUCCESS) {
6788 memcpy(&vport->fc_sparam, mp->virt, sizeof(struct serv_parm));
6793 * This memory was allocated by the lpfc_read_sparam routine. Release
6794 * it to the mbuf pool.
6796 lpfc_mbuf_free(phba, mp->virt, mp->phys);
6798 mboxq->context1 = NULL;
6800 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6801 "0382 READ_SPARAM command failed "
6802 "status %d, mbxStatus x%x\n",
6803 rc, bf_get(lpfc_mqe_status, mqe));
6804 phba->link_state = LPFC_HBA_ERROR;
6809 lpfc_update_vport_wwn(vport);
6811 /* Update the fc_host data structures with new wwn. */
6812 fc_host_node_name(shost) = wwn_to_u64(vport->fc_nodename.u.wwn);
6813 fc_host_port_name(shost) = wwn_to_u64(vport->fc_portname.u.wwn);
6815 /* Create all the SLI4 queues */
6816 rc = lpfc_sli4_queue_create(phba);
6818 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
6819 "3089 Failed to allocate queues\n");
6823 /* Set up all the queues to the device */
6824 rc = lpfc_sli4_queue_setup(phba);
6826 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6827 "0381 Error %d during queue setup.\n ", rc);
6828 goto out_stop_timers;
6830 /* Initialize the driver internal SLI layer lists. */
6831 lpfc_sli4_setup(phba);
6832 lpfc_sli4_queue_init(phba);
6834 /* update host els xri-sgl sizes and mappings */
6835 rc = lpfc_sli4_els_sgl_update(phba);
6837 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6838 "1400 Failed to update xri-sgl size and "
6839 "mapping: %d\n", rc);
6840 goto out_destroy_queue;
6843 /* register the els sgl pool to the port */
6844 rc = lpfc_sli4_repost_sgl_list(phba, &phba->sli4_hba.lpfc_els_sgl_list,
6845 phba->sli4_hba.els_xri_cnt);
6846 if (unlikely(rc < 0)) {
6847 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6848 "0582 Error %d during els sgl post "
6851 goto out_destroy_queue;
6853 phba->sli4_hba.els_xri_cnt = rc;
6855 if (phba->nvmet_support) {
6856 /* update host nvmet xri-sgl sizes and mappings */
6857 rc = lpfc_sli4_nvmet_sgl_update(phba);
6859 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6860 "6308 Failed to update nvmet-sgl size "
6861 "and mapping: %d\n", rc);
6862 goto out_destroy_queue;
6865 /* register the nvmet sgl pool to the port */
6866 rc = lpfc_sli4_repost_sgl_list(
6868 &phba->sli4_hba.lpfc_nvmet_sgl_list,
6869 phba->sli4_hba.nvmet_xri_cnt);
6870 if (unlikely(rc < 0)) {
6871 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6872 "3117 Error %d during nvmet "
6875 goto out_destroy_queue;
6877 phba->sli4_hba.nvmet_xri_cnt = rc;
6878 lpfc_nvmet_create_targetport(phba);
6880 /* update host scsi xri-sgl sizes and mappings */
6881 rc = lpfc_sli4_scsi_sgl_update(phba);
6883 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6884 "6309 Failed to update scsi-sgl size "
6885 "and mapping: %d\n", rc);
6886 goto out_destroy_queue;
6889 /* update host nvme xri-sgl sizes and mappings */
6890 rc = lpfc_sli4_nvme_sgl_update(phba);
6892 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6893 "6082 Failed to update nvme-sgl size "
6894 "and mapping: %d\n", rc);
6895 goto out_destroy_queue;
6899 if (phba->nvmet_support && phba->cfg_nvmet_mrq) {
6901 /* Post initial buffers to all RQs created */
6902 for (i = 0; i < phba->cfg_nvmet_mrq; i++) {
6903 rqbp = phba->sli4_hba.nvmet_mrq_hdr[i]->rqbp;
6904 INIT_LIST_HEAD(&rqbp->rqb_buffer_list);
6905 rqbp->rqb_alloc_buffer = lpfc_sli4_nvmet_alloc;
6906 rqbp->rqb_free_buffer = lpfc_sli4_nvmet_free;
6907 rqbp->entry_count = 256;
6908 rqbp->buffer_count = 0;
6910 /* Divide by 4 and round down to multiple of 16 */
6911 rc = (phba->cfg_nvmet_mrq_post >> 2) & 0xfff8;
6912 phba->sli4_hba.nvmet_mrq_hdr[i]->entry_repost = rc;
6913 phba->sli4_hba.nvmet_mrq_data[i]->entry_repost = rc;
6915 lpfc_post_rq_buffer(
6916 phba, phba->sli4_hba.nvmet_mrq_hdr[i],
6917 phba->sli4_hba.nvmet_mrq_data[i],
6918 phba->cfg_nvmet_mrq_post);
6922 if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) {
6923 /* register the allocated scsi sgl pool to the port */
6924 rc = lpfc_sli4_repost_scsi_sgl_list(phba);
6926 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6927 "0383 Error %d during scsi sgl post "
6929 /* Some Scsi buffers were moved to abort scsi list */
6930 /* A pci function reset will repost them */
6932 goto out_destroy_queue;
6936 if ((phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) &&
6937 (phba->nvmet_support == 0)) {
6939 /* register the allocated nvme sgl pool to the port */
6940 rc = lpfc_repost_nvme_sgl_list(phba);
6942 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6943 "6116 Error %d during nvme sgl post "
6945 /* Some NVME buffers were moved to abort nvme list */
6946 /* A pci function reset will repost them */
6948 goto out_destroy_queue;
6952 /* Post the rpi header region to the device. */
6953 rc = lpfc_sli4_post_all_rpi_hdrs(phba);
6955 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
6956 "0393 Error %d during rpi post operation\n",
6959 goto out_destroy_queue;
6961 lpfc_sli4_node_prep(phba);
6963 if (!(phba->hba_flag & HBA_FCOE_MODE)) {
6964 if ((phba->nvmet_support == 0) || (phba->cfg_nvmet_mrq == 1)) {
6966 * The FC Port needs to register FCFI (index 0)
6968 lpfc_reg_fcfi(phba, mboxq);
6969 mboxq->vport = phba->pport;
6970 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6971 if (rc != MBX_SUCCESS)
6972 goto out_unset_queue;
6974 phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_fcfi,
6975 &mboxq->u.mqe.un.reg_fcfi);
6977 /* We are a NVME Target mode with MRQ > 1 */
6979 /* First register the FCFI */
6980 lpfc_reg_fcfi_mrq(phba, mboxq, 0);
6981 mboxq->vport = phba->pport;
6982 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6983 if (rc != MBX_SUCCESS)
6984 goto out_unset_queue;
6986 phba->fcf.fcfi = bf_get(lpfc_reg_fcfi_mrq_fcfi,
6987 &mboxq->u.mqe.un.reg_fcfi_mrq);
6989 /* Next register the MRQs */
6990 lpfc_reg_fcfi_mrq(phba, mboxq, 1);
6991 mboxq->vport = phba->pport;
6992 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
6993 if (rc != MBX_SUCCESS)
6994 goto out_unset_queue;
6997 /* Check if the port is configured to be disabled */
6998 lpfc_sli_read_link_ste(phba);
7001 /* Arm the CQs and then EQs on device */
7002 lpfc_sli4_arm_cqeq_intr(phba);
7004 /* Indicate device interrupt mode */
7005 phba->sli4_hba.intr_enable = 1;
7007 /* Allow asynchronous mailbox command to go through */
7008 spin_lock_irq(&phba->hbalock);
7009 phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
7010 spin_unlock_irq(&phba->hbalock);
7012 /* Post receive buffers to the device */
7013 lpfc_sli4_rb_setup(phba);
7015 /* Reset HBA FCF states after HBA reset */
7016 phba->fcf.fcf_flag = 0;
7017 phba->fcf.current_rec.flag = 0;
7019 /* Start the ELS watchdog timer */
7020 mod_timer(&vport->els_tmofunc,
7021 jiffies + msecs_to_jiffies(1000 * (phba->fc_ratov * 2)));
7023 /* Start heart beat timer */
7024 mod_timer(&phba->hb_tmofunc,
7025 jiffies + msecs_to_jiffies(1000 * LPFC_HB_MBOX_INTERVAL));
7026 phba->hb_outstanding = 0;
7027 phba->last_completion_time = jiffies;
7029 /* Start error attention (ERATT) polling timer */
7030 mod_timer(&phba->eratt_poll,
7031 jiffies + msecs_to_jiffies(1000 * phba->eratt_poll_interval));
7033 /* Enable PCIe device Advanced Error Reporting (AER) if configured */
7034 if (phba->cfg_aer_support == 1 && !(phba->hba_flag & HBA_AER_ENABLED)) {
7035 rc = pci_enable_pcie_error_reporting(phba->pcidev);
7037 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7038 "2829 This device supports "
7039 "Advanced Error Reporting (AER)\n");
7040 spin_lock_irq(&phba->hbalock);
7041 phba->hba_flag |= HBA_AER_ENABLED;
7042 spin_unlock_irq(&phba->hbalock);
7044 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
7045 "2830 This device does not support "
7046 "Advanced Error Reporting (AER)\n");
7047 phba->cfg_aer_support = 0;
7053 * The port is ready, set the host's link state to LINK_DOWN
7054 * in preparation for link interrupts.
7056 spin_lock_irq(&phba->hbalock);
7057 phba->link_state = LPFC_LINK_DOWN;
7058 spin_unlock_irq(&phba->hbalock);
7059 if (!(phba->hba_flag & HBA_FCOE_MODE) &&
7060 (phba->hba_flag & LINK_DISABLED)) {
7061 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI,
7062 "3103 Adapter Link is disabled.\n");
7063 lpfc_down_link(phba, mboxq);
7064 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
7065 if (rc != MBX_SUCCESS) {
7066 lpfc_printf_log(phba, KERN_ERR, LOG_INIT | LOG_SLI,
7067 "3104 Adapter failed to issue "
7068 "DOWN_LINK mbox cmd, rc:x%x\n", rc);
7069 goto out_unset_queue;
7071 } else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
7072 /* don't perform init_link on SLI4 FC port loopback test */
7073 if (!(phba->link_flag & LS_LOOPBACK_MODE)) {
7074 rc = phba->lpfc_hba_init_link(phba, MBX_NOWAIT);
7076 goto out_unset_queue;
7079 mempool_free(mboxq, phba->mbox_mem_pool);
7082 /* Unset all the queues set up in this routine when error out */
7083 lpfc_sli4_queue_unset(phba);
7085 lpfc_sli4_queue_destroy(phba);
7087 lpfc_stop_hba_timers(phba);
7089 mempool_free(mboxq, phba->mbox_mem_pool);
7094 * lpfc_mbox_timeout - Timeout call back function for mbox timer
7095 * @ptr: context object - pointer to hba structure.
7097 * This is the callback function for mailbox timer. The mailbox
7098 * timer is armed when a new mailbox command is issued and the timer
7099 * is deleted when the mailbox complete. The function is called by
7100 * the kernel timer code when a mailbox does not complete within
7101 * expected time. This function wakes up the worker thread to
7102 * process the mailbox timeout and returns. All the processing is
7103 * done by the worker thread function lpfc_mbox_timeout_handler.
7106 lpfc_mbox_timeout(unsigned long ptr)
7108 struct lpfc_hba *phba = (struct lpfc_hba *) ptr;
7109 unsigned long iflag;
7110 uint32_t tmo_posted;
7112 spin_lock_irqsave(&phba->pport->work_port_lock, iflag);
7113 tmo_posted = phba->pport->work_port_events & WORKER_MBOX_TMO;
7115 phba->pport->work_port_events |= WORKER_MBOX_TMO;
7116 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflag);
7119 lpfc_worker_wake_up(phba);
7124 * lpfc_sli4_mbox_completions_pending - check to see if any mailbox completions
7126 * @phba: Pointer to HBA context object.
7128 * This function checks if any mailbox completions are present on the mailbox
7132 lpfc_sli4_mbox_completions_pending(struct lpfc_hba *phba)
7136 struct lpfc_queue *mcq;
7137 struct lpfc_mcqe *mcqe;
7138 bool pending_completions = false;
7140 if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4))
7143 /* Check for completions on mailbox completion queue */
7145 mcq = phba->sli4_hba.mbx_cq;
7146 idx = mcq->hba_index;
7147 while (bf_get_le32(lpfc_cqe_valid, mcq->qe[idx].cqe)) {
7148 mcqe = (struct lpfc_mcqe *)mcq->qe[idx].cqe;
7149 if (bf_get_le32(lpfc_trailer_completed, mcqe) &&
7150 (!bf_get_le32(lpfc_trailer_async, mcqe))) {
7151 pending_completions = true;
7154 idx = (idx + 1) % mcq->entry_count;
7155 if (mcq->hba_index == idx)
7158 return pending_completions;
7163 * lpfc_sli4_process_missed_mbox_completions - process mbox completions
7165 * @phba: Pointer to HBA context object.
7167 * For sli4, it is possible to miss an interrupt. As such mbox completions
7168 * maybe missed causing erroneous mailbox timeouts to occur. This function
7169 * checks to see if mbox completions are on the mailbox completion queue
7170 * and will process all the completions associated with the eq for the
7171 * mailbox completion queue.
7174 lpfc_sli4_process_missed_mbox_completions(struct lpfc_hba *phba)
7178 struct lpfc_queue *fpeq = NULL;
7179 struct lpfc_eqe *eqe;
7182 if (unlikely(!phba) || (phba->sli_rev != LPFC_SLI_REV4))
7185 /* Find the eq associated with the mcq */
7187 if (phba->sli4_hba.hba_eq)
7188 for (eqidx = 0; eqidx < phba->io_channel_irqs; eqidx++)
7189 if (phba->sli4_hba.hba_eq[eqidx]->queue_id ==
7190 phba->sli4_hba.mbx_cq->assoc_qid) {
7191 fpeq = phba->sli4_hba.hba_eq[eqidx];
7197 /* Turn off interrupts from this EQ */
7199 lpfc_sli4_eq_clr_intr(fpeq);
7201 /* Check to see if a mbox completion is pending */
7203 mbox_pending = lpfc_sli4_mbox_completions_pending(phba);
7206 * If a mbox completion is pending, process all the events on EQ
7207 * associated with the mbox completion queue (this could include
7208 * mailbox commands, async events, els commands, receive queue data
7213 while ((eqe = lpfc_sli4_eq_get(fpeq))) {
7214 lpfc_sli4_hba_handle_eqe(phba, eqe, eqidx);
7215 fpeq->EQ_processed++;
7218 /* Always clear and re-arm the EQ */
7220 lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_REARM);
7222 return mbox_pending;
7227 * lpfc_mbox_timeout_handler - Worker thread function to handle mailbox timeout
7228 * @phba: Pointer to HBA context object.
7230 * This function is called from worker thread when a mailbox command times out.
7231 * The caller is not required to hold any locks. This function will reset the
7232 * HBA and recover all the pending commands.
7235 lpfc_mbox_timeout_handler(struct lpfc_hba *phba)
7237 LPFC_MBOXQ_t *pmbox = phba->sli.mbox_active;
7238 MAILBOX_t *mb = NULL;
7240 struct lpfc_sli *psli = &phba->sli;
7242 /* If the mailbox completed, process the completion and return */
7243 if (lpfc_sli4_process_missed_mbox_completions(phba))
7248 /* Check the pmbox pointer first. There is a race condition
7249 * between the mbox timeout handler getting executed in the
7250 * worklist and the mailbox actually completing. When this
7251 * race condition occurs, the mbox_active will be NULL.
7253 spin_lock_irq(&phba->hbalock);
7254 if (pmbox == NULL) {
7255 lpfc_printf_log(phba, KERN_WARNING,
7257 "0353 Active Mailbox cleared - mailbox timeout "
7259 spin_unlock_irq(&phba->hbalock);
7263 /* Mbox cmd <mbxCommand> timeout */
7264 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7265 "0310 Mailbox command x%x timeout Data: x%x x%x x%p\n",
7267 phba->pport->port_state,
7269 phba->sli.mbox_active);
7270 spin_unlock_irq(&phba->hbalock);
7272 /* Setting state unknown so lpfc_sli_abort_iocb_ring
7273 * would get IOCB_ERROR from lpfc_sli_issue_iocb, allowing
7274 * it to fail all outstanding SCSI IO.
7276 spin_lock_irq(&phba->pport->work_port_lock);
7277 phba->pport->work_port_events &= ~WORKER_MBOX_TMO;
7278 spin_unlock_irq(&phba->pport->work_port_lock);
7279 spin_lock_irq(&phba->hbalock);
7280 phba->link_state = LPFC_LINK_UNKNOWN;
7281 psli->sli_flag &= ~LPFC_SLI_ACTIVE;
7282 spin_unlock_irq(&phba->hbalock);
7284 lpfc_sli_abort_fcp_rings(phba);
7286 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7287 "0345 Resetting board due to mailbox timeout\n");
7289 /* Reset the HBA device */
7290 lpfc_reset_hba(phba);
7294 * lpfc_sli_issue_mbox_s3 - Issue an SLI3 mailbox command to firmware
7295 * @phba: Pointer to HBA context object.
7296 * @pmbox: Pointer to mailbox object.
7297 * @flag: Flag indicating how the mailbox need to be processed.
7299 * This function is called by discovery code and HBA management code
7300 * to submit a mailbox command to firmware with SLI-3 interface spec. This
7301 * function gets the hbalock to protect the data structures.
7302 * The mailbox command can be submitted in polling mode, in which case
7303 * this function will wait in a polling loop for the completion of the
7305 * If the mailbox is submitted in no_wait mode (not polling) the
7306 * function will submit the command and returns immediately without waiting
7307 * for the mailbox completion. The no_wait is supported only when HBA
7308 * is in SLI2/SLI3 mode - interrupts are enabled.
7309 * The SLI interface allows only one mailbox pending at a time. If the
7310 * mailbox is issued in polling mode and there is already a mailbox
7311 * pending, then the function will return an error. If the mailbox is issued
7312 * in NO_WAIT mode and there is a mailbox pending already, the function
7313 * will return MBX_BUSY after queuing the mailbox into mailbox queue.
7314 * The sli layer owns the mailbox object until the completion of mailbox
7315 * command if this function return MBX_BUSY or MBX_SUCCESS. For all other
7316 * return codes the caller owns the mailbox command after the return of
7320 lpfc_sli_issue_mbox_s3(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox,
7324 struct lpfc_sli *psli = &phba->sli;
7325 uint32_t status, evtctr;
7326 uint32_t ha_copy, hc_copy;
7328 unsigned long timeout;
7329 unsigned long drvr_flag = 0;
7330 uint32_t word0, ldata;
7331 void __iomem *to_slim;
7332 int processing_queue = 0;
7334 spin_lock_irqsave(&phba->hbalock, drvr_flag);
7336 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
7337 /* processing mbox queue from intr_handler */
7338 if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) {
7339 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7342 processing_queue = 1;
7343 pmbox = lpfc_mbox_get(phba);
7345 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7350 if (pmbox->mbox_cmpl && pmbox->mbox_cmpl != lpfc_sli_def_mbox_cmpl &&
7351 pmbox->mbox_cmpl != lpfc_sli_wake_mbox_wait) {
7353 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7354 lpfc_printf_log(phba, KERN_ERR,
7355 LOG_MBOX | LOG_VPORT,
7356 "1806 Mbox x%x failed. No vport\n",
7357 pmbox->u.mb.mbxCommand);
7359 goto out_not_finished;
7363 /* If the PCI channel is in offline state, do not post mbox. */
7364 if (unlikely(pci_channel_offline(phba->pcidev))) {
7365 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7366 goto out_not_finished;
7369 /* If HBA has a deferred error attention, fail the iocb. */
7370 if (unlikely(phba->hba_flag & DEFER_ERATT)) {
7371 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7372 goto out_not_finished;
7378 status = MBX_SUCCESS;
7380 if (phba->link_state == LPFC_HBA_ERROR) {
7381 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7383 /* Mbox command <mbxCommand> cannot issue */
7384 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7385 "(%d):0311 Mailbox command x%x cannot "
7386 "issue Data: x%x x%x\n",
7387 pmbox->vport ? pmbox->vport->vpi : 0,
7388 pmbox->u.mb.mbxCommand, psli->sli_flag, flag);
7389 goto out_not_finished;
7392 if (mbx->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT) {
7393 if (lpfc_readl(phba->HCregaddr, &hc_copy) ||
7394 !(hc_copy & HC_MBINT_ENA)) {
7395 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7396 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7397 "(%d):2528 Mailbox command x%x cannot "
7398 "issue Data: x%x x%x\n",
7399 pmbox->vport ? pmbox->vport->vpi : 0,
7400 pmbox->u.mb.mbxCommand, psli->sli_flag, flag);
7401 goto out_not_finished;
7405 if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
7406 /* Polling for a mbox command when another one is already active
7407 * is not allowed in SLI. Also, the driver must have established
7408 * SLI2 mode to queue and process multiple mbox commands.
7411 if (flag & MBX_POLL) {
7412 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7414 /* Mbox command <mbxCommand> cannot issue */
7415 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7416 "(%d):2529 Mailbox command x%x "
7417 "cannot issue Data: x%x x%x\n",
7418 pmbox->vport ? pmbox->vport->vpi : 0,
7419 pmbox->u.mb.mbxCommand,
7420 psli->sli_flag, flag);
7421 goto out_not_finished;
7424 if (!(psli->sli_flag & LPFC_SLI_ACTIVE)) {
7425 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7426 /* Mbox command <mbxCommand> cannot issue */
7427 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7428 "(%d):2530 Mailbox command x%x "
7429 "cannot issue Data: x%x x%x\n",
7430 pmbox->vport ? pmbox->vport->vpi : 0,
7431 pmbox->u.mb.mbxCommand,
7432 psli->sli_flag, flag);
7433 goto out_not_finished;
7436 /* Another mailbox command is still being processed, queue this
7437 * command to be processed later.
7439 lpfc_mbox_put(phba, pmbox);
7441 /* Mbox cmd issue - BUSY */
7442 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
7443 "(%d):0308 Mbox cmd issue - BUSY Data: "
7444 "x%x x%x x%x x%x\n",
7445 pmbox->vport ? pmbox->vport->vpi : 0xffffff,
7446 mbx->mbxCommand, phba->pport->port_state,
7447 psli->sli_flag, flag);
7449 psli->slistat.mbox_busy++;
7450 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7453 lpfc_debugfs_disc_trc(pmbox->vport,
7454 LPFC_DISC_TRC_MBOX_VPORT,
7455 "MBOX Bsy vport: cmd:x%x mb:x%x x%x",
7456 (uint32_t)mbx->mbxCommand,
7457 mbx->un.varWords[0], mbx->un.varWords[1]);
7460 lpfc_debugfs_disc_trc(phba->pport,
7462 "MBOX Bsy: cmd:x%x mb:x%x x%x",
7463 (uint32_t)mbx->mbxCommand,
7464 mbx->un.varWords[0], mbx->un.varWords[1]);
7470 psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE;
7472 /* If we are not polling, we MUST be in SLI2 mode */
7473 if (flag != MBX_POLL) {
7474 if (!(psli->sli_flag & LPFC_SLI_ACTIVE) &&
7475 (mbx->mbxCommand != MBX_KILL_BOARD)) {
7476 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
7477 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7478 /* Mbox command <mbxCommand> cannot issue */
7479 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7480 "(%d):2531 Mailbox command x%x "
7481 "cannot issue Data: x%x x%x\n",
7482 pmbox->vport ? pmbox->vport->vpi : 0,
7483 pmbox->u.mb.mbxCommand,
7484 psli->sli_flag, flag);
7485 goto out_not_finished;
7487 /* timeout active mbox command */
7488 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) *
7490 mod_timer(&psli->mbox_tmo, jiffies + timeout);
7493 /* Mailbox cmd <cmd> issue */
7494 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
7495 "(%d):0309 Mailbox cmd x%x issue Data: x%x x%x "
7497 pmbox->vport ? pmbox->vport->vpi : 0,
7498 mbx->mbxCommand, phba->pport->port_state,
7499 psli->sli_flag, flag);
7501 if (mbx->mbxCommand != MBX_HEARTBEAT) {
7503 lpfc_debugfs_disc_trc(pmbox->vport,
7504 LPFC_DISC_TRC_MBOX_VPORT,
7505 "MBOX Send vport: cmd:x%x mb:x%x x%x",
7506 (uint32_t)mbx->mbxCommand,
7507 mbx->un.varWords[0], mbx->un.varWords[1]);
7510 lpfc_debugfs_disc_trc(phba->pport,
7512 "MBOX Send: cmd:x%x mb:x%x x%x",
7513 (uint32_t)mbx->mbxCommand,
7514 mbx->un.varWords[0], mbx->un.varWords[1]);
7518 psli->slistat.mbox_cmd++;
7519 evtctr = psli->slistat.mbox_event;
7521 /* next set own bit for the adapter and copy over command word */
7522 mbx->mbxOwner = OWN_CHIP;
7524 if (psli->sli_flag & LPFC_SLI_ACTIVE) {
7525 /* Populate mbox extension offset word. */
7526 if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len) {
7527 *(((uint32_t *)mbx) + pmbox->mbox_offset_word)
7528 = (uint8_t *)phba->mbox_ext
7529 - (uint8_t *)phba->mbox;
7532 /* Copy the mailbox extension data */
7533 if (pmbox->in_ext_byte_len && pmbox->context2) {
7534 lpfc_sli_pcimem_bcopy(pmbox->context2,
7535 (uint8_t *)phba->mbox_ext,
7536 pmbox->in_ext_byte_len);
7538 /* Copy command data to host SLIM area */
7539 lpfc_sli_pcimem_bcopy(mbx, phba->mbox, MAILBOX_CMD_SIZE);
7541 /* Populate mbox extension offset word. */
7542 if (pmbox->in_ext_byte_len || pmbox->out_ext_byte_len)
7543 *(((uint32_t *)mbx) + pmbox->mbox_offset_word)
7544 = MAILBOX_HBA_EXT_OFFSET;
7546 /* Copy the mailbox extension data */
7547 if (pmbox->in_ext_byte_len && pmbox->context2)
7548 lpfc_memcpy_to_slim(phba->MBslimaddr +
7549 MAILBOX_HBA_EXT_OFFSET,
7550 pmbox->context2, pmbox->in_ext_byte_len);
7552 if (mbx->mbxCommand == MBX_CONFIG_PORT)
7553 /* copy command data into host mbox for cmpl */
7554 lpfc_sli_pcimem_bcopy(mbx, phba->mbox,
7557 /* First copy mbox command data to HBA SLIM, skip past first
7559 to_slim = phba->MBslimaddr + sizeof (uint32_t);
7560 lpfc_memcpy_to_slim(to_slim, &mbx->un.varWords[0],
7561 MAILBOX_CMD_SIZE - sizeof (uint32_t));
7563 /* Next copy over first word, with mbxOwner set */
7564 ldata = *((uint32_t *)mbx);
7565 to_slim = phba->MBslimaddr;
7566 writel(ldata, to_slim);
7567 readl(to_slim); /* flush */
7569 if (mbx->mbxCommand == MBX_CONFIG_PORT)
7570 /* switch over to host mailbox */
7571 psli->sli_flag |= LPFC_SLI_ACTIVE;
7578 /* Set up reference to mailbox command */
7579 psli->mbox_active = pmbox;
7580 /* Interrupt board to do it */
7581 writel(CA_MBATT, phba->CAregaddr);
7582 readl(phba->CAregaddr); /* flush */
7583 /* Don't wait for it to finish, just return */
7587 /* Set up null reference to mailbox command */
7588 psli->mbox_active = NULL;
7589 /* Interrupt board to do it */
7590 writel(CA_MBATT, phba->CAregaddr);
7591 readl(phba->CAregaddr); /* flush */
7593 if (psli->sli_flag & LPFC_SLI_ACTIVE) {
7594 /* First read mbox status word */
7595 word0 = *((uint32_t *)phba->mbox);
7596 word0 = le32_to_cpu(word0);
7598 /* First read mbox status word */
7599 if (lpfc_readl(phba->MBslimaddr, &word0)) {
7600 spin_unlock_irqrestore(&phba->hbalock,
7602 goto out_not_finished;
7606 /* Read the HBA Host Attention Register */
7607 if (lpfc_readl(phba->HAregaddr, &ha_copy)) {
7608 spin_unlock_irqrestore(&phba->hbalock,
7610 goto out_not_finished;
7612 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, pmbox) *
7615 /* Wait for command to complete */
7616 while (((word0 & OWN_CHIP) == OWN_CHIP) ||
7617 (!(ha_copy & HA_MBATT) &&
7618 (phba->link_state > LPFC_WARM_START))) {
7619 if (time_after(jiffies, timeout)) {
7620 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
7621 spin_unlock_irqrestore(&phba->hbalock,
7623 goto out_not_finished;
7626 /* Check if we took a mbox interrupt while we were
7628 if (((word0 & OWN_CHIP) != OWN_CHIP)
7629 && (evtctr != psli->slistat.mbox_event))
7633 spin_unlock_irqrestore(&phba->hbalock,
7636 spin_lock_irqsave(&phba->hbalock, drvr_flag);
7639 if (psli->sli_flag & LPFC_SLI_ACTIVE) {
7640 /* First copy command data */
7641 word0 = *((uint32_t *)phba->mbox);
7642 word0 = le32_to_cpu(word0);
7643 if (mbx->mbxCommand == MBX_CONFIG_PORT) {
7646 /* Check real SLIM for any errors */
7647 slimword0 = readl(phba->MBslimaddr);
7648 slimmb = (MAILBOX_t *) & slimword0;
7649 if (((slimword0 & OWN_CHIP) != OWN_CHIP)
7650 && slimmb->mbxStatus) {
7657 /* First copy command data */
7658 word0 = readl(phba->MBslimaddr);
7660 /* Read the HBA Host Attention Register */
7661 if (lpfc_readl(phba->HAregaddr, &ha_copy)) {
7662 spin_unlock_irqrestore(&phba->hbalock,
7664 goto out_not_finished;
7668 if (psli->sli_flag & LPFC_SLI_ACTIVE) {
7669 /* copy results back to user */
7670 lpfc_sli_pcimem_bcopy(phba->mbox, mbx,
7672 /* Copy the mailbox extension data */
7673 if (pmbox->out_ext_byte_len && pmbox->context2) {
7674 lpfc_sli_pcimem_bcopy(phba->mbox_ext,
7676 pmbox->out_ext_byte_len);
7679 /* First copy command data */
7680 lpfc_memcpy_from_slim(mbx, phba->MBslimaddr,
7682 /* Copy the mailbox extension data */
7683 if (pmbox->out_ext_byte_len && pmbox->context2) {
7684 lpfc_memcpy_from_slim(pmbox->context2,
7686 MAILBOX_HBA_EXT_OFFSET,
7687 pmbox->out_ext_byte_len);
7691 writel(HA_MBATT, phba->HAregaddr);
7692 readl(phba->HAregaddr); /* flush */
7694 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
7695 status = mbx->mbxStatus;
7698 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
7702 if (processing_queue) {
7703 pmbox->u.mb.mbxStatus = MBX_NOT_FINISHED;
7704 lpfc_mbox_cmpl_put(phba, pmbox);
7706 return MBX_NOT_FINISHED;
7710 * lpfc_sli4_async_mbox_block - Block posting SLI4 asynchronous mailbox command
7711 * @phba: Pointer to HBA context object.
7713 * The function blocks the posting of SLI4 asynchronous mailbox commands from
7714 * the driver internal pending mailbox queue. It will then try to wait out the
7715 * possible outstanding mailbox command before return.
7718 * 0 - the outstanding mailbox command completed; otherwise, the wait for
7719 * the outstanding mailbox command timed out.
7722 lpfc_sli4_async_mbox_block(struct lpfc_hba *phba)
7724 struct lpfc_sli *psli = &phba->sli;
7726 unsigned long timeout = 0;
7728 /* Mark the asynchronous mailbox command posting as blocked */
7729 spin_lock_irq(&phba->hbalock);
7730 psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
7731 /* Determine how long we might wait for the active mailbox
7732 * command to be gracefully completed by firmware.
7734 if (phba->sli.mbox_active)
7735 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
7736 phba->sli.mbox_active) *
7738 spin_unlock_irq(&phba->hbalock);
7740 /* Make sure the mailbox is really active */
7742 lpfc_sli4_process_missed_mbox_completions(phba);
7744 /* Wait for the outstnading mailbox command to complete */
7745 while (phba->sli.mbox_active) {
7746 /* Check active mailbox complete status every 2ms */
7748 if (time_after(jiffies, timeout)) {
7749 /* Timeout, marked the outstanding cmd not complete */
7755 /* Can not cleanly block async mailbox command, fails it */
7757 spin_lock_irq(&phba->hbalock);
7758 psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
7759 spin_unlock_irq(&phba->hbalock);
7765 * lpfc_sli4_async_mbox_unblock - Block posting SLI4 async mailbox command
7766 * @phba: Pointer to HBA context object.
7768 * The function unblocks and resume posting of SLI4 asynchronous mailbox
7769 * commands from the driver internal pending mailbox queue. It makes sure
7770 * that there is no outstanding mailbox command before resuming posting
7771 * asynchronous mailbox commands. If, for any reason, there is outstanding
7772 * mailbox command, it will try to wait it out before resuming asynchronous
7773 * mailbox command posting.
7776 lpfc_sli4_async_mbox_unblock(struct lpfc_hba *phba)
7778 struct lpfc_sli *psli = &phba->sli;
7780 spin_lock_irq(&phba->hbalock);
7781 if (!(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) {
7782 /* Asynchronous mailbox posting is not blocked, do nothing */
7783 spin_unlock_irq(&phba->hbalock);
7787 /* Outstanding synchronous mailbox command is guaranteed to be done,
7788 * successful or timeout, after timing-out the outstanding mailbox
7789 * command shall always be removed, so just unblock posting async
7790 * mailbox command and resume
7792 psli->sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
7793 spin_unlock_irq(&phba->hbalock);
7795 /* wake up worker thread to post asynchronlous mailbox command */
7796 lpfc_worker_wake_up(phba);
7800 * lpfc_sli4_wait_bmbx_ready - Wait for bootstrap mailbox register ready
7801 * @phba: Pointer to HBA context object.
7802 * @mboxq: Pointer to mailbox object.
7804 * The function waits for the bootstrap mailbox register ready bit from
7805 * port for twice the regular mailbox command timeout value.
7807 * 0 - no timeout on waiting for bootstrap mailbox register ready.
7808 * MBXERR_ERROR - wait for bootstrap mailbox register timed out.
7811 lpfc_sli4_wait_bmbx_ready(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
7814 unsigned long timeout;
7815 struct lpfc_register bmbx_reg;
7817 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, mboxq)
7821 bmbx_reg.word0 = readl(phba->sli4_hba.BMBXregaddr);
7822 db_ready = bf_get(lpfc_bmbx_rdy, &bmbx_reg);
7826 if (time_after(jiffies, timeout))
7827 return MBXERR_ERROR;
7828 } while (!db_ready);
7834 * lpfc_sli4_post_sync_mbox - Post an SLI4 mailbox to the bootstrap mailbox
7835 * @phba: Pointer to HBA context object.
7836 * @mboxq: Pointer to mailbox object.
7838 * The function posts a mailbox to the port. The mailbox is expected
7839 * to be comletely filled in and ready for the port to operate on it.
7840 * This routine executes a synchronous completion operation on the
7841 * mailbox by polling for its completion.
7843 * The caller must not be holding any locks when calling this routine.
7846 * MBX_SUCCESS - mailbox posted successfully
7847 * Any of the MBX error values.
7850 lpfc_sli4_post_sync_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
7852 int rc = MBX_SUCCESS;
7853 unsigned long iflag;
7854 uint32_t mcqe_status;
7856 struct lpfc_sli *psli = &phba->sli;
7857 struct lpfc_mqe *mb = &mboxq->u.mqe;
7858 struct lpfc_bmbx_create *mbox_rgn;
7859 struct dma_address *dma_address;
7862 * Only one mailbox can be active to the bootstrap mailbox region
7863 * at a time and there is no queueing provided.
7865 spin_lock_irqsave(&phba->hbalock, iflag);
7866 if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
7867 spin_unlock_irqrestore(&phba->hbalock, iflag);
7868 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7869 "(%d):2532 Mailbox command x%x (x%x/x%x) "
7870 "cannot issue Data: x%x x%x\n",
7871 mboxq->vport ? mboxq->vport->vpi : 0,
7872 mboxq->u.mb.mbxCommand,
7873 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
7874 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
7875 psli->sli_flag, MBX_POLL);
7876 return MBXERR_ERROR;
7878 /* The server grabs the token and owns it until release */
7879 psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE;
7880 phba->sli.mbox_active = mboxq;
7881 spin_unlock_irqrestore(&phba->hbalock, iflag);
7883 /* wait for bootstrap mbox register for readyness */
7884 rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq);
7889 * Initialize the bootstrap memory region to avoid stale data areas
7890 * in the mailbox post. Then copy the caller's mailbox contents to
7891 * the bmbx mailbox region.
7893 mbx_cmnd = bf_get(lpfc_mqe_command, mb);
7894 memset(phba->sli4_hba.bmbx.avirt, 0, sizeof(struct lpfc_bmbx_create));
7895 lpfc_sli_pcimem_bcopy(mb, phba->sli4_hba.bmbx.avirt,
7896 sizeof(struct lpfc_mqe));
7898 /* Post the high mailbox dma address to the port and wait for ready. */
7899 dma_address = &phba->sli4_hba.bmbx.dma_address;
7900 writel(dma_address->addr_hi, phba->sli4_hba.BMBXregaddr);
7902 /* wait for bootstrap mbox register for hi-address write done */
7903 rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq);
7907 /* Post the low mailbox dma address to the port. */
7908 writel(dma_address->addr_lo, phba->sli4_hba.BMBXregaddr);
7910 /* wait for bootstrap mbox register for low address write done */
7911 rc = lpfc_sli4_wait_bmbx_ready(phba, mboxq);
7916 * Read the CQ to ensure the mailbox has completed.
7917 * If so, update the mailbox status so that the upper layers
7918 * can complete the request normally.
7920 lpfc_sli_pcimem_bcopy(phba->sli4_hba.bmbx.avirt, mb,
7921 sizeof(struct lpfc_mqe));
7922 mbox_rgn = (struct lpfc_bmbx_create *) phba->sli4_hba.bmbx.avirt;
7923 lpfc_sli_pcimem_bcopy(&mbox_rgn->mcqe, &mboxq->mcqe,
7924 sizeof(struct lpfc_mcqe));
7925 mcqe_status = bf_get(lpfc_mcqe_status, &mbox_rgn->mcqe);
7927 * When the CQE status indicates a failure and the mailbox status
7928 * indicates success then copy the CQE status into the mailbox status
7929 * (and prefix it with x4000).
7931 if (mcqe_status != MB_CQE_STATUS_SUCCESS) {
7932 if (bf_get(lpfc_mqe_status, mb) == MBX_SUCCESS)
7933 bf_set(lpfc_mqe_status, mb,
7934 (LPFC_MBX_ERROR_RANGE | mcqe_status));
7937 lpfc_sli4_swap_str(phba, mboxq);
7939 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
7940 "(%d):0356 Mailbox cmd x%x (x%x/x%x) Status x%x "
7941 "Data: x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x x%x"
7942 " x%x x%x CQ: x%x x%x x%x x%x\n",
7943 mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd,
7944 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
7945 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
7946 bf_get(lpfc_mqe_status, mb),
7947 mb->un.mb_words[0], mb->un.mb_words[1],
7948 mb->un.mb_words[2], mb->un.mb_words[3],
7949 mb->un.mb_words[4], mb->un.mb_words[5],
7950 mb->un.mb_words[6], mb->un.mb_words[7],
7951 mb->un.mb_words[8], mb->un.mb_words[9],
7952 mb->un.mb_words[10], mb->un.mb_words[11],
7953 mb->un.mb_words[12], mboxq->mcqe.word0,
7954 mboxq->mcqe.mcqe_tag0, mboxq->mcqe.mcqe_tag1,
7955 mboxq->mcqe.trailer);
7957 /* We are holding the token, no needed for lock when release */
7958 spin_lock_irqsave(&phba->hbalock, iflag);
7959 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
7960 phba->sli.mbox_active = NULL;
7961 spin_unlock_irqrestore(&phba->hbalock, iflag);
7966 * lpfc_sli_issue_mbox_s4 - Issue an SLI4 mailbox command to firmware
7967 * @phba: Pointer to HBA context object.
7968 * @pmbox: Pointer to mailbox object.
7969 * @flag: Flag indicating how the mailbox need to be processed.
7971 * This function is called by discovery code and HBA management code to submit
7972 * a mailbox command to firmware with SLI-4 interface spec.
7974 * Return codes the caller owns the mailbox command after the return of the
7978 lpfc_sli_issue_mbox_s4(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
7981 struct lpfc_sli *psli = &phba->sli;
7982 unsigned long iflags;
7985 /* dump from issue mailbox command if setup */
7986 lpfc_idiag_mbxacc_dump_issue_mbox(phba, &mboxq->u.mb);
7988 rc = lpfc_mbox_dev_check(phba);
7990 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
7991 "(%d):2544 Mailbox command x%x (x%x/x%x) "
7992 "cannot issue Data: x%x x%x\n",
7993 mboxq->vport ? mboxq->vport->vpi : 0,
7994 mboxq->u.mb.mbxCommand,
7995 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
7996 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
7997 psli->sli_flag, flag);
7998 goto out_not_finished;
8001 /* Detect polling mode and jump to a handler */
8002 if (!phba->sli4_hba.intr_enable) {
8003 if (flag == MBX_POLL)
8004 rc = lpfc_sli4_post_sync_mbox(phba, mboxq);
8007 if (rc != MBX_SUCCESS)
8008 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
8009 "(%d):2541 Mailbox command x%x "
8010 "(x%x/x%x) failure: "
8011 "mqe_sta: x%x mcqe_sta: x%x/x%x "
8013 mboxq->vport ? mboxq->vport->vpi : 0,
8014 mboxq->u.mb.mbxCommand,
8015 lpfc_sli_config_mbox_subsys_get(phba,
8017 lpfc_sli_config_mbox_opcode_get(phba,
8019 bf_get(lpfc_mqe_status, &mboxq->u.mqe),
8020 bf_get(lpfc_mcqe_status, &mboxq->mcqe),
8021 bf_get(lpfc_mcqe_ext_status,
8023 psli->sli_flag, flag);
8025 } else if (flag == MBX_POLL) {
8026 lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | LOG_SLI,
8027 "(%d):2542 Try to issue mailbox command "
8028 "x%x (x%x/x%x) synchronously ahead of async"
8029 "mailbox command queue: x%x x%x\n",
8030 mboxq->vport ? mboxq->vport->vpi : 0,
8031 mboxq->u.mb.mbxCommand,
8032 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
8033 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
8034 psli->sli_flag, flag);
8035 /* Try to block the asynchronous mailbox posting */
8036 rc = lpfc_sli4_async_mbox_block(phba);
8038 /* Successfully blocked, now issue sync mbox cmd */
8039 rc = lpfc_sli4_post_sync_mbox(phba, mboxq);
8040 if (rc != MBX_SUCCESS)
8041 lpfc_printf_log(phba, KERN_WARNING,
8043 "(%d):2597 Sync Mailbox command "
8044 "x%x (x%x/x%x) failure: "
8045 "mqe_sta: x%x mcqe_sta: x%x/x%x "
8047 mboxq->vport ? mboxq->vport->vpi : 0,
8048 mboxq->u.mb.mbxCommand,
8049 lpfc_sli_config_mbox_subsys_get(phba,
8051 lpfc_sli_config_mbox_opcode_get(phba,
8053 bf_get(lpfc_mqe_status, &mboxq->u.mqe),
8054 bf_get(lpfc_mcqe_status, &mboxq->mcqe),
8055 bf_get(lpfc_mcqe_ext_status,
8057 psli->sli_flag, flag);
8058 /* Unblock the async mailbox posting afterward */
8059 lpfc_sli4_async_mbox_unblock(phba);
8064 /* Now, interrupt mode asynchrous mailbox command */
8065 rc = lpfc_mbox_cmd_check(phba, mboxq);
8067 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
8068 "(%d):2543 Mailbox command x%x (x%x/x%x) "
8069 "cannot issue Data: x%x x%x\n",
8070 mboxq->vport ? mboxq->vport->vpi : 0,
8071 mboxq->u.mb.mbxCommand,
8072 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
8073 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
8074 psli->sli_flag, flag);
8075 goto out_not_finished;
8078 /* Put the mailbox command to the driver internal FIFO */
8079 psli->slistat.mbox_busy++;
8080 spin_lock_irqsave(&phba->hbalock, iflags);
8081 lpfc_mbox_put(phba, mboxq);
8082 spin_unlock_irqrestore(&phba->hbalock, iflags);
8083 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
8084 "(%d):0354 Mbox cmd issue - Enqueue Data: "
8085 "x%x (x%x/x%x) x%x x%x x%x\n",
8086 mboxq->vport ? mboxq->vport->vpi : 0xffffff,
8087 bf_get(lpfc_mqe_command, &mboxq->u.mqe),
8088 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
8089 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
8090 phba->pport->port_state,
8091 psli->sli_flag, MBX_NOWAIT);
8092 /* Wake up worker thread to transport mailbox command from head */
8093 lpfc_worker_wake_up(phba);
8098 return MBX_NOT_FINISHED;
8102 * lpfc_sli4_post_async_mbox - Post an SLI4 mailbox command to device
8103 * @phba: Pointer to HBA context object.
8105 * This function is called by worker thread to send a mailbox command to
8106 * SLI4 HBA firmware.
8110 lpfc_sli4_post_async_mbox(struct lpfc_hba *phba)
8112 struct lpfc_sli *psli = &phba->sli;
8113 LPFC_MBOXQ_t *mboxq;
8114 int rc = MBX_SUCCESS;
8115 unsigned long iflags;
8116 struct lpfc_mqe *mqe;
8119 /* Check interrupt mode before post async mailbox command */
8120 if (unlikely(!phba->sli4_hba.intr_enable))
8121 return MBX_NOT_FINISHED;
8123 /* Check for mailbox command service token */
8124 spin_lock_irqsave(&phba->hbalock, iflags);
8125 if (unlikely(psli->sli_flag & LPFC_SLI_ASYNC_MBX_BLK)) {
8126 spin_unlock_irqrestore(&phba->hbalock, iflags);
8127 return MBX_NOT_FINISHED;
8129 if (psli->sli_flag & LPFC_SLI_MBOX_ACTIVE) {
8130 spin_unlock_irqrestore(&phba->hbalock, iflags);
8131 return MBX_NOT_FINISHED;
8133 if (unlikely(phba->sli.mbox_active)) {
8134 spin_unlock_irqrestore(&phba->hbalock, iflags);
8135 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
8136 "0384 There is pending active mailbox cmd\n");
8137 return MBX_NOT_FINISHED;
8139 /* Take the mailbox command service token */
8140 psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE;
8142 /* Get the next mailbox command from head of queue */
8143 mboxq = lpfc_mbox_get(phba);
8145 /* If no more mailbox command waiting for post, we're done */
8147 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
8148 spin_unlock_irqrestore(&phba->hbalock, iflags);
8151 phba->sli.mbox_active = mboxq;
8152 spin_unlock_irqrestore(&phba->hbalock, iflags);
8154 /* Check device readiness for posting mailbox command */
8155 rc = lpfc_mbox_dev_check(phba);
8157 /* Driver clean routine will clean up pending mailbox */
8158 goto out_not_finished;
8160 /* Prepare the mbox command to be posted */
8161 mqe = &mboxq->u.mqe;
8162 mbx_cmnd = bf_get(lpfc_mqe_command, mqe);
8164 /* Start timer for the mbox_tmo and log some mailbox post messages */
8165 mod_timer(&psli->mbox_tmo, (jiffies +
8166 msecs_to_jiffies(1000 * lpfc_mbox_tmo_val(phba, mboxq))));
8168 lpfc_printf_log(phba, KERN_INFO, LOG_MBOX | LOG_SLI,
8169 "(%d):0355 Mailbox cmd x%x (x%x/x%x) issue Data: "
8171 mboxq->vport ? mboxq->vport->vpi : 0, mbx_cmnd,
8172 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
8173 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
8174 phba->pport->port_state, psli->sli_flag);
8176 if (mbx_cmnd != MBX_HEARTBEAT) {
8178 lpfc_debugfs_disc_trc(mboxq->vport,
8179 LPFC_DISC_TRC_MBOX_VPORT,
8180 "MBOX Send vport: cmd:x%x mb:x%x x%x",
8181 mbx_cmnd, mqe->un.mb_words[0],
8182 mqe->un.mb_words[1]);
8184 lpfc_debugfs_disc_trc(phba->pport,
8186 "MBOX Send: cmd:x%x mb:x%x x%x",
8187 mbx_cmnd, mqe->un.mb_words[0],
8188 mqe->un.mb_words[1]);
8191 psli->slistat.mbox_cmd++;
8193 /* Post the mailbox command to the port */
8194 rc = lpfc_sli4_mq_put(phba->sli4_hba.mbx_wq, mqe);
8195 if (rc != MBX_SUCCESS) {
8196 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
8197 "(%d):2533 Mailbox command x%x (x%x/x%x) "
8198 "cannot issue Data: x%x x%x\n",
8199 mboxq->vport ? mboxq->vport->vpi : 0,
8200 mboxq->u.mb.mbxCommand,
8201 lpfc_sli_config_mbox_subsys_get(phba, mboxq),
8202 lpfc_sli_config_mbox_opcode_get(phba, mboxq),
8203 psli->sli_flag, MBX_NOWAIT);
8204 goto out_not_finished;
8210 spin_lock_irqsave(&phba->hbalock, iflags);
8211 if (phba->sli.mbox_active) {
8212 mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED;
8213 __lpfc_mbox_cmpl_put(phba, mboxq);
8214 /* Release the token */
8215 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
8216 phba->sli.mbox_active = NULL;
8218 spin_unlock_irqrestore(&phba->hbalock, iflags);
8220 return MBX_NOT_FINISHED;
8224 * lpfc_sli_issue_mbox - Wrapper func for issuing mailbox command
8225 * @phba: Pointer to HBA context object.
8226 * @pmbox: Pointer to mailbox object.
8227 * @flag: Flag indicating how the mailbox need to be processed.
8229 * This routine wraps the actual SLI3 or SLI4 mailbox issuing routine from
8230 * the API jump table function pointer from the lpfc_hba struct.
8232 * Return codes the caller owns the mailbox command after the return of the
8236 lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
8238 return phba->lpfc_sli_issue_mbox(phba, pmbox, flag);
8242 * lpfc_mbox_api_table_setup - Set up mbox api function jump table
8243 * @phba: The hba struct for which this call is being executed.
8244 * @dev_grp: The HBA PCI-Device group number.
8246 * This routine sets up the mbox interface API function jump table in @phba
8248 * Returns: 0 - success, -ENODEV - failure.
8251 lpfc_mbox_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
8255 case LPFC_PCI_DEV_LP:
8256 phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s3;
8257 phba->lpfc_sli_handle_slow_ring_event =
8258 lpfc_sli_handle_slow_ring_event_s3;
8259 phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s3;
8260 phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s3;
8261 phba->lpfc_sli_brdready = lpfc_sli_brdready_s3;
8263 case LPFC_PCI_DEV_OC:
8264 phba->lpfc_sli_issue_mbox = lpfc_sli_issue_mbox_s4;
8265 phba->lpfc_sli_handle_slow_ring_event =
8266 lpfc_sli_handle_slow_ring_event_s4;
8267 phba->lpfc_sli_hbq_to_firmware = lpfc_sli_hbq_to_firmware_s4;
8268 phba->lpfc_sli_brdrestart = lpfc_sli_brdrestart_s4;
8269 phba->lpfc_sli_brdready = lpfc_sli_brdready_s4;
8272 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
8273 "1420 Invalid HBA PCI-device group: 0x%x\n",
8282 * __lpfc_sli_ringtx_put - Add an iocb to the txq
8283 * @phba: Pointer to HBA context object.
8284 * @pring: Pointer to driver SLI ring object.
8285 * @piocb: Pointer to address of newly added command iocb.
8287 * This function is called with hbalock held to add a command
8288 * iocb to the txq when SLI layer cannot submit the command iocb
8292 __lpfc_sli_ringtx_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
8293 struct lpfc_iocbq *piocb)
8295 lockdep_assert_held(&phba->hbalock);
8296 /* Insert the caller's iocb in the txq tail for later processing. */
8297 list_add_tail(&piocb->list, &pring->txq);
8301 * lpfc_sli_next_iocb - Get the next iocb in the txq
8302 * @phba: Pointer to HBA context object.
8303 * @pring: Pointer to driver SLI ring object.
8304 * @piocb: Pointer to address of newly added command iocb.
8306 * This function is called with hbalock held before a new
8307 * iocb is submitted to the firmware. This function checks
8308 * txq to flush the iocbs in txq to Firmware before
8309 * submitting new iocbs to the Firmware.
8310 * If there are iocbs in the txq which need to be submitted
8311 * to firmware, lpfc_sli_next_iocb returns the first element
8312 * of the txq after dequeuing it from txq.
8313 * If there is no iocb in the txq then the function will return
8314 * *piocb and *piocb is set to NULL. Caller needs to check
8315 * *piocb to find if there are more commands in the txq.
8317 static struct lpfc_iocbq *
8318 lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
8319 struct lpfc_iocbq **piocb)
8321 struct lpfc_iocbq * nextiocb;
8323 lockdep_assert_held(&phba->hbalock);
8325 nextiocb = lpfc_sli_ringtx_get(phba, pring);
8335 * __lpfc_sli_issue_iocb_s3 - SLI3 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_s3 is used by other functions in the driver to issue
8342 * an iocb command to an HBA with SLI-3 interface spec. If the PCI slot is
8343 * recovering from error state, if HBA is resetting or if LPFC_STOP_IOCB_EVENT
8344 * flag is turned on, the function returns IOCB_ERROR. When the link is down,
8345 * this function allows only iocbs for posting buffers. This function finds
8346 * next available slot in the command ring and posts the command to the
8347 * available slot and writes the port attention register to request HBA start
8348 * processing new iocb. If there is no slot available in the ring and
8349 * flag & SLI_IOCB_RET_IOCB is set, the new iocb is added to the txq, otherwise
8350 * the function returns IOCB_BUSY.
8352 * This function is called with hbalock held. The function will return success
8353 * after it successfully submit the iocb to firmware or after adding to the
8357 __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number,
8358 struct lpfc_iocbq *piocb, uint32_t flag)
8360 struct lpfc_iocbq *nextiocb;
8362 struct lpfc_sli_ring *pring = &phba->sli.sli3_ring[ring_number];
8364 lockdep_assert_held(&phba->hbalock);
8366 if (piocb->iocb_cmpl && (!piocb->vport) &&
8367 (piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
8368 (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) {
8369 lpfc_printf_log(phba, KERN_ERR,
8370 LOG_SLI | LOG_VPORT,
8371 "1807 IOCB x%x failed. No vport\n",
8372 piocb->iocb.ulpCommand);
8378 /* If the PCI channel is in offline state, do not post iocbs. */
8379 if (unlikely(pci_channel_offline(phba->pcidev)))
8382 /* If HBA has a deferred error attention, fail the iocb. */
8383 if (unlikely(phba->hba_flag & DEFER_ERATT))
8387 * We should never get an IOCB if we are in a < LINK_DOWN state
8389 if (unlikely(phba->link_state < LPFC_LINK_DOWN))
8393 * Check to see if we are blocking IOCB processing because of a
8394 * outstanding event.
8396 if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT))
8399 if (unlikely(phba->link_state == LPFC_LINK_DOWN)) {
8401 * Only CREATE_XRI, CLOSE_XRI, and QUE_RING_BUF
8402 * can be issued if the link is not up.
8404 switch (piocb->iocb.ulpCommand) {
8405 case CMD_GEN_REQUEST64_CR:
8406 case CMD_GEN_REQUEST64_CX:
8407 if (!(phba->sli.sli_flag & LPFC_MENLO_MAINT) ||
8408 (piocb->iocb.un.genreq64.w5.hcsw.Rctl !=
8409 FC_RCTL_DD_UNSOL_CMD) ||
8410 (piocb->iocb.un.genreq64.w5.hcsw.Type !=
8411 MENLO_TRANSPORT_TYPE))
8415 case CMD_QUE_RING_BUF_CN:
8416 case CMD_QUE_RING_BUF64_CN:
8418 * For IOCBs, like QUE_RING_BUF, that have no rsp ring
8419 * completion, iocb_cmpl MUST be 0.
8421 if (piocb->iocb_cmpl)
8422 piocb->iocb_cmpl = NULL;
8424 case CMD_CREATE_XRI_CR:
8425 case CMD_CLOSE_XRI_CN:
8426 case CMD_CLOSE_XRI_CX:
8433 * For FCP commands, we must be in a state where we can process link
8436 } else if (unlikely(pring->ringno == LPFC_FCP_RING &&
8437 !(phba->sli.sli_flag & LPFC_PROCESS_LA))) {
8441 while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) &&
8442 (nextiocb = lpfc_sli_next_iocb(phba, pring, &piocb)))
8443 lpfc_sli_submit_iocb(phba, pring, iocb, nextiocb);
8446 lpfc_sli_update_ring(phba, pring);
8448 lpfc_sli_update_full_ring(phba, pring);
8451 return IOCB_SUCCESS;
8456 pring->stats.iocb_cmd_delay++;
8460 if (!(flag & SLI_IOCB_RET_IOCB)) {
8461 __lpfc_sli_ringtx_put(phba, pring, piocb);
8462 return IOCB_SUCCESS;
8469 * lpfc_sli4_bpl2sgl - Convert the bpl/bde to a sgl.
8470 * @phba: Pointer to HBA context object.
8471 * @piocb: Pointer to command iocb.
8472 * @sglq: Pointer to the scatter gather queue object.
8474 * This routine converts the bpl or bde that is in the IOCB
8475 * to a sgl list for the sli4 hardware. The physical address
8476 * of the bpl/bde is converted back to a virtual address.
8477 * If the IOCB contains a BPL then the list of BDE's is
8478 * converted to sli4_sge's. If the IOCB contains a single
8479 * BDE then it is converted to a single sli_sge.
8480 * The IOCB is still in cpu endianess so the contents of
8481 * the bpl can be used without byte swapping.
8483 * Returns valid XRI = Success, NO_XRI = Failure.
8486 lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
8487 struct lpfc_sglq *sglq)
8489 uint16_t xritag = NO_XRI;
8490 struct ulp_bde64 *bpl = NULL;
8491 struct ulp_bde64 bde;
8492 struct sli4_sge *sgl = NULL;
8493 struct lpfc_dmabuf *dmabuf;
8497 uint32_t offset = 0; /* accumulated offset in the sg request list */
8498 int inbound = 0; /* number of sg reply entries inbound from firmware */
8500 if (!piocbq || !sglq)
8503 sgl = (struct sli4_sge *)sglq->sgl;
8504 icmd = &piocbq->iocb;
8505 if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX)
8506 return sglq->sli4_xritag;
8507 if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) {
8508 numBdes = icmd->un.genreq64.bdl.bdeSize /
8509 sizeof(struct ulp_bde64);
8510 /* The addrHigh and addrLow fields within the IOCB
8511 * have not been byteswapped yet so there is no
8512 * need to swap them back.
8514 if (piocbq->context3)
8515 dmabuf = (struct lpfc_dmabuf *)piocbq->context3;
8519 bpl = (struct ulp_bde64 *)dmabuf->virt;
8523 for (i = 0; i < numBdes; i++) {
8524 /* Should already be byte swapped. */
8525 sgl->addr_hi = bpl->addrHigh;
8526 sgl->addr_lo = bpl->addrLow;
8528 sgl->word2 = le32_to_cpu(sgl->word2);
8529 if ((i+1) == numBdes)
8530 bf_set(lpfc_sli4_sge_last, sgl, 1);
8532 bf_set(lpfc_sli4_sge_last, sgl, 0);
8533 /* swap the size field back to the cpu so we
8534 * can assign it to the sgl.
8536 bde.tus.w = le32_to_cpu(bpl->tus.w);
8537 sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize);
8538 /* The offsets in the sgl need to be accumulated
8539 * separately for the request and reply lists.
8540 * The request is always first, the reply follows.
8542 if (piocbq->iocb.ulpCommand == CMD_GEN_REQUEST64_CR) {
8543 /* add up the reply sg entries */
8544 if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I)
8546 /* first inbound? reset the offset */
8549 bf_set(lpfc_sli4_sge_offset, sgl, offset);
8550 bf_set(lpfc_sli4_sge_type, sgl,
8551 LPFC_SGE_TYPE_DATA);
8552 offset += bde.tus.f.bdeSize;
8554 sgl->word2 = cpu_to_le32(sgl->word2);
8558 } else if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BDE_64) {
8559 /* The addrHigh and addrLow fields of the BDE have not
8560 * been byteswapped yet so they need to be swapped
8561 * before putting them in the sgl.
8564 cpu_to_le32(icmd->un.genreq64.bdl.addrHigh);
8566 cpu_to_le32(icmd->un.genreq64.bdl.addrLow);
8567 sgl->word2 = le32_to_cpu(sgl->word2);
8568 bf_set(lpfc_sli4_sge_last, sgl, 1);
8569 sgl->word2 = cpu_to_le32(sgl->word2);
8571 cpu_to_le32(icmd->un.genreq64.bdl.bdeSize);
8573 return sglq->sli4_xritag;
8577 * lpfc_sli_iocb2wqe - Convert the IOCB to a work queue entry.
8578 * @phba: Pointer to HBA context object.
8579 * @piocb: Pointer to command iocb.
8580 * @wqe: Pointer to the work queue entry.
8582 * This routine converts the iocb command to its Work Queue Entry
8583 * equivalent. The wqe pointer should not have any fields set when
8584 * this routine is called because it will memcpy over them.
8585 * This routine does not set the CQ_ID or the WQEC bits in the
8588 * Returns: 0 = Success, IOCB_ERROR = Failure.
8591 lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
8592 union lpfc_wqe *wqe)
8594 uint32_t xmit_len = 0, total_len = 0;
8598 uint8_t command_type = ELS_COMMAND_NON_FIP;
8601 uint16_t abrt_iotag;
8602 struct lpfc_iocbq *abrtiocbq;
8603 struct ulp_bde64 *bpl = NULL;
8604 uint32_t els_id = LPFC_ELS_ID_DEFAULT;
8606 struct ulp_bde64 bde;
8607 struct lpfc_nodelist *ndlp;
8611 fip = phba->hba_flag & HBA_FIP_SUPPORT;
8612 /* The fcp commands will set command type */
8613 if (iocbq->iocb_flag & LPFC_IO_FCP)
8614 command_type = FCP_COMMAND;
8615 else if (fip && (iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK))
8616 command_type = ELS_COMMAND_FIP;
8618 command_type = ELS_COMMAND_NON_FIP;
8620 if (phba->fcp_embed_io)
8621 memset(wqe, 0, sizeof(union lpfc_wqe128));
8622 /* Some of the fields are in the right position already */
8623 memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe));
8624 wqe->generic.wqe_com.word7 = 0; /* The ct field has moved so reset */
8625 wqe->generic.wqe_com.word10 = 0;
8627 abort_tag = (uint32_t) iocbq->iotag;
8628 xritag = iocbq->sli4_xritag;
8629 /* words0-2 bpl convert bde */
8630 if (iocbq->iocb.un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) {
8631 numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize /
8632 sizeof(struct ulp_bde64);
8633 bpl = (struct ulp_bde64 *)
8634 ((struct lpfc_dmabuf *)iocbq->context3)->virt;
8638 /* Should already be byte swapped. */
8639 wqe->generic.bde.addrHigh = le32_to_cpu(bpl->addrHigh);
8640 wqe->generic.bde.addrLow = le32_to_cpu(bpl->addrLow);
8641 /* swap the size field back to the cpu so we
8642 * can assign it to the sgl.
8644 wqe->generic.bde.tus.w = le32_to_cpu(bpl->tus.w);
8645 xmit_len = wqe->generic.bde.tus.f.bdeSize;
8647 for (i = 0; i < numBdes; i++) {
8648 bde.tus.w = le32_to_cpu(bpl[i].tus.w);
8649 total_len += bde.tus.f.bdeSize;
8652 xmit_len = iocbq->iocb.un.fcpi64.bdl.bdeSize;
8654 iocbq->iocb.ulpIoTag = iocbq->iotag;
8655 cmnd = iocbq->iocb.ulpCommand;
8657 switch (iocbq->iocb.ulpCommand) {
8658 case CMD_ELS_REQUEST64_CR:
8659 if (iocbq->iocb_flag & LPFC_IO_LIBDFC)
8660 ndlp = iocbq->context_un.ndlp;
8662 ndlp = (struct lpfc_nodelist *)iocbq->context1;
8663 if (!iocbq->iocb.ulpLe) {
8664 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8665 "2007 Only Limited Edition cmd Format"
8666 " supported 0x%x\n",
8667 iocbq->iocb.ulpCommand);
8671 wqe->els_req.payload_len = xmit_len;
8672 /* Els_reguest64 has a TMO */
8673 bf_set(wqe_tmo, &wqe->els_req.wqe_com,
8674 iocbq->iocb.ulpTimeout);
8675 /* Need a VF for word 4 set the vf bit*/
8676 bf_set(els_req64_vf, &wqe->els_req, 0);
8677 /* And a VFID for word 12 */
8678 bf_set(els_req64_vfid, &wqe->els_req, 0);
8679 ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l);
8680 bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com,
8681 iocbq->iocb.ulpContext);
8682 bf_set(wqe_ct, &wqe->els_req.wqe_com, ct);
8683 bf_set(wqe_pu, &wqe->els_req.wqe_com, 0);
8684 /* CCP CCPE PV PRI in word10 were set in the memcpy */
8685 if (command_type == ELS_COMMAND_FIP)
8686 els_id = ((iocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK)
8687 >> LPFC_FIP_ELS_ID_SHIFT);
8688 pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
8689 iocbq->context2)->virt);
8690 if_type = bf_get(lpfc_sli_intf_if_type,
8691 &phba->sli4_hba.sli_intf);
8692 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
8693 if (pcmd && (*pcmd == ELS_CMD_FLOGI ||
8694 *pcmd == ELS_CMD_SCR ||
8695 *pcmd == ELS_CMD_FDISC ||
8696 *pcmd == ELS_CMD_LOGO ||
8697 *pcmd == ELS_CMD_PLOGI)) {
8698 bf_set(els_req64_sp, &wqe->els_req, 1);
8699 bf_set(els_req64_sid, &wqe->els_req,
8700 iocbq->vport->fc_myDID);
8701 if ((*pcmd == ELS_CMD_FLOGI) &&
8702 !(phba->fc_topology ==
8703 LPFC_TOPOLOGY_LOOP))
8704 bf_set(els_req64_sid, &wqe->els_req, 0);
8705 bf_set(wqe_ct, &wqe->els_req.wqe_com, 1);
8706 bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com,
8707 phba->vpi_ids[iocbq->vport->vpi]);
8708 } else if (pcmd && iocbq->context1) {
8709 bf_set(wqe_ct, &wqe->els_req.wqe_com, 0);
8710 bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com,
8711 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
8714 bf_set(wqe_temp_rpi, &wqe->els_req.wqe_com,
8715 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
8716 bf_set(wqe_els_id, &wqe->els_req.wqe_com, els_id);
8717 bf_set(wqe_dbde, &wqe->els_req.wqe_com, 1);
8718 bf_set(wqe_iod, &wqe->els_req.wqe_com, LPFC_WQE_IOD_READ);
8719 bf_set(wqe_qosd, &wqe->els_req.wqe_com, 1);
8720 bf_set(wqe_lenloc, &wqe->els_req.wqe_com, LPFC_WQE_LENLOC_NONE);
8721 bf_set(wqe_ebde_cnt, &wqe->els_req.wqe_com, 0);
8722 wqe->els_req.max_response_payload_len = total_len - xmit_len;
8724 case CMD_XMIT_SEQUENCE64_CX:
8725 bf_set(wqe_ctxt_tag, &wqe->xmit_sequence.wqe_com,
8726 iocbq->iocb.un.ulpWord[3]);
8727 bf_set(wqe_rcvoxid, &wqe->xmit_sequence.wqe_com,
8728 iocbq->iocb.unsli3.rcvsli3.ox_id);
8729 /* The entire sequence is transmitted for this IOCB */
8730 xmit_len = total_len;
8731 cmnd = CMD_XMIT_SEQUENCE64_CR;
8732 if (phba->link_flag & LS_LOOPBACK_MODE)
8733 bf_set(wqe_xo, &wqe->xmit_sequence.wge_ctl, 1);
8734 case CMD_XMIT_SEQUENCE64_CR:
8735 /* word3 iocb=io_tag32 wqe=reserved */
8736 wqe->xmit_sequence.rsvd3 = 0;
8737 /* word4 relative_offset memcpy */
8738 /* word5 r_ctl/df_ctl memcpy */
8739 bf_set(wqe_pu, &wqe->xmit_sequence.wqe_com, 0);
8740 bf_set(wqe_dbde, &wqe->xmit_sequence.wqe_com, 1);
8741 bf_set(wqe_iod, &wqe->xmit_sequence.wqe_com,
8742 LPFC_WQE_IOD_WRITE);
8743 bf_set(wqe_lenloc, &wqe->xmit_sequence.wqe_com,
8744 LPFC_WQE_LENLOC_WORD12);
8745 bf_set(wqe_ebde_cnt, &wqe->xmit_sequence.wqe_com, 0);
8746 wqe->xmit_sequence.xmit_len = xmit_len;
8747 command_type = OTHER_COMMAND;
8749 case CMD_XMIT_BCAST64_CN:
8750 /* word3 iocb=iotag32 wqe=seq_payload_len */
8751 wqe->xmit_bcast64.seq_payload_len = xmit_len;
8752 /* word4 iocb=rsvd wqe=rsvd */
8753 /* word5 iocb=rctl/type/df_ctl wqe=rctl/type/df_ctl memcpy */
8754 /* word6 iocb=ctxt_tag/io_tag wqe=ctxt_tag/xri */
8755 bf_set(wqe_ct, &wqe->xmit_bcast64.wqe_com,
8756 ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
8757 bf_set(wqe_dbde, &wqe->xmit_bcast64.wqe_com, 1);
8758 bf_set(wqe_iod, &wqe->xmit_bcast64.wqe_com, LPFC_WQE_IOD_WRITE);
8759 bf_set(wqe_lenloc, &wqe->xmit_bcast64.wqe_com,
8760 LPFC_WQE_LENLOC_WORD3);
8761 bf_set(wqe_ebde_cnt, &wqe->xmit_bcast64.wqe_com, 0);
8763 case CMD_FCP_IWRITE64_CR:
8764 command_type = FCP_COMMAND_DATA_OUT;
8765 /* word3 iocb=iotag wqe=payload_offset_len */
8766 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8767 bf_set(payload_offset_len, &wqe->fcp_iwrite,
8768 xmit_len + sizeof(struct fcp_rsp));
8769 bf_set(cmd_buff_len, &wqe->fcp_iwrite,
8771 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
8772 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
8773 bf_set(wqe_erp, &wqe->fcp_iwrite.wqe_com,
8774 iocbq->iocb.ulpFCP2Rcvy);
8775 bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS);
8776 /* Always open the exchange */
8777 bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE);
8778 bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com,
8779 LPFC_WQE_LENLOC_WORD4);
8780 bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU);
8781 bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1);
8782 if (iocbq->iocb_flag & LPFC_IO_OAS) {
8783 bf_set(wqe_oas, &wqe->fcp_iwrite.wqe_com, 1);
8784 bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1);
8785 if (iocbq->priority) {
8786 bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com,
8787 (iocbq->priority << 1));
8789 bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com,
8790 (phba->cfg_XLanePriority << 1));
8793 /* Note, word 10 is already initialized to 0 */
8795 if (phba->fcp_embed_io) {
8796 struct lpfc_scsi_buf *lpfc_cmd;
8797 struct sli4_sge *sgl;
8798 union lpfc_wqe128 *wqe128;
8799 struct fcp_cmnd *fcp_cmnd;
8802 /* 128 byte wqe support here */
8803 wqe128 = (union lpfc_wqe128 *)wqe;
8805 lpfc_cmd = iocbq->context1;
8806 sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl;
8807 fcp_cmnd = lpfc_cmd->fcp_cmnd;
8809 /* Word 0-2 - FCP_CMND */
8810 wqe128->generic.bde.tus.f.bdeFlags =
8811 BUFF_TYPE_BDE_IMMED;
8812 wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len;
8813 wqe128->generic.bde.addrHigh = 0;
8814 wqe128->generic.bde.addrLow = 88; /* Word 22 */
8816 bf_set(wqe_wqes, &wqe128->fcp_iwrite.wqe_com, 1);
8818 /* Word 22-29 FCP CMND Payload */
8819 ptr = &wqe128->words[22];
8820 memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd));
8823 case CMD_FCP_IREAD64_CR:
8824 /* word3 iocb=iotag wqe=payload_offset_len */
8825 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8826 bf_set(payload_offset_len, &wqe->fcp_iread,
8827 xmit_len + sizeof(struct fcp_rsp));
8828 bf_set(cmd_buff_len, &wqe->fcp_iread,
8830 /* word4 iocb=parameter wqe=total_xfer_length memcpy */
8831 /* word5 iocb=initial_xfer_len wqe=initial_xfer_len memcpy */
8832 bf_set(wqe_erp, &wqe->fcp_iread.wqe_com,
8833 iocbq->iocb.ulpFCP2Rcvy);
8834 bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS);
8835 /* Always open the exchange */
8836 bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ);
8837 bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com,
8838 LPFC_WQE_LENLOC_WORD4);
8839 bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU);
8840 bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1);
8841 if (iocbq->iocb_flag & LPFC_IO_OAS) {
8842 bf_set(wqe_oas, &wqe->fcp_iread.wqe_com, 1);
8843 bf_set(wqe_ccpe, &wqe->fcp_iread.wqe_com, 1);
8844 if (iocbq->priority) {
8845 bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com,
8846 (iocbq->priority << 1));
8848 bf_set(wqe_ccp, &wqe->fcp_iread.wqe_com,
8849 (phba->cfg_XLanePriority << 1));
8852 /* Note, word 10 is already initialized to 0 */
8854 if (phba->fcp_embed_io) {
8855 struct lpfc_scsi_buf *lpfc_cmd;
8856 struct sli4_sge *sgl;
8857 union lpfc_wqe128 *wqe128;
8858 struct fcp_cmnd *fcp_cmnd;
8861 /* 128 byte wqe support here */
8862 wqe128 = (union lpfc_wqe128 *)wqe;
8864 lpfc_cmd = iocbq->context1;
8865 sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl;
8866 fcp_cmnd = lpfc_cmd->fcp_cmnd;
8868 /* Word 0-2 - FCP_CMND */
8869 wqe128->generic.bde.tus.f.bdeFlags =
8870 BUFF_TYPE_BDE_IMMED;
8871 wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len;
8872 wqe128->generic.bde.addrHigh = 0;
8873 wqe128->generic.bde.addrLow = 88; /* Word 22 */
8875 bf_set(wqe_wqes, &wqe128->fcp_iread.wqe_com, 1);
8877 /* Word 22-29 FCP CMND Payload */
8878 ptr = &wqe128->words[22];
8879 memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd));
8882 case CMD_FCP_ICMND64_CR:
8883 /* word3 iocb=iotag wqe=payload_offset_len */
8884 /* Add the FCP_CMD and FCP_RSP sizes to get the offset */
8885 bf_set(payload_offset_len, &wqe->fcp_icmd,
8886 xmit_len + sizeof(struct fcp_rsp));
8887 bf_set(cmd_buff_len, &wqe->fcp_icmd,
8889 /* word3 iocb=IO_TAG wqe=reserved */
8890 bf_set(wqe_pu, &wqe->fcp_icmd.wqe_com, 0);
8891 /* Always open the exchange */
8892 bf_set(wqe_dbde, &wqe->fcp_icmd.wqe_com, 1);
8893 bf_set(wqe_iod, &wqe->fcp_icmd.wqe_com, LPFC_WQE_IOD_WRITE);
8894 bf_set(wqe_qosd, &wqe->fcp_icmd.wqe_com, 1);
8895 bf_set(wqe_lenloc, &wqe->fcp_icmd.wqe_com,
8896 LPFC_WQE_LENLOC_NONE);
8897 bf_set(wqe_erp, &wqe->fcp_icmd.wqe_com,
8898 iocbq->iocb.ulpFCP2Rcvy);
8899 if (iocbq->iocb_flag & LPFC_IO_OAS) {
8900 bf_set(wqe_oas, &wqe->fcp_icmd.wqe_com, 1);
8901 bf_set(wqe_ccpe, &wqe->fcp_icmd.wqe_com, 1);
8902 if (iocbq->priority) {
8903 bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com,
8904 (iocbq->priority << 1));
8906 bf_set(wqe_ccp, &wqe->fcp_icmd.wqe_com,
8907 (phba->cfg_XLanePriority << 1));
8910 /* Note, word 10 is already initialized to 0 */
8912 if (phba->fcp_embed_io) {
8913 struct lpfc_scsi_buf *lpfc_cmd;
8914 struct sli4_sge *sgl;
8915 union lpfc_wqe128 *wqe128;
8916 struct fcp_cmnd *fcp_cmnd;
8919 /* 128 byte wqe support here */
8920 wqe128 = (union lpfc_wqe128 *)wqe;
8922 lpfc_cmd = iocbq->context1;
8923 sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl;
8924 fcp_cmnd = lpfc_cmd->fcp_cmnd;
8926 /* Word 0-2 - FCP_CMND */
8927 wqe128->generic.bde.tus.f.bdeFlags =
8928 BUFF_TYPE_BDE_IMMED;
8929 wqe128->generic.bde.tus.f.bdeSize = sgl->sge_len;
8930 wqe128->generic.bde.addrHigh = 0;
8931 wqe128->generic.bde.addrLow = 88; /* Word 22 */
8933 bf_set(wqe_wqes, &wqe128->fcp_icmd.wqe_com, 1);
8935 /* Word 22-29 FCP CMND Payload */
8936 ptr = &wqe128->words[22];
8937 memcpy(ptr, fcp_cmnd, sizeof(struct fcp_cmnd));
8940 case CMD_GEN_REQUEST64_CR:
8941 /* For this command calculate the xmit length of the
8945 numBdes = iocbq->iocb.un.genreq64.bdl.bdeSize /
8946 sizeof(struct ulp_bde64);
8947 for (i = 0; i < numBdes; i++) {
8948 bde.tus.w = le32_to_cpu(bpl[i].tus.w);
8949 if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64)
8951 xmit_len += bde.tus.f.bdeSize;
8953 /* word3 iocb=IO_TAG wqe=request_payload_len */
8954 wqe->gen_req.request_payload_len = xmit_len;
8955 /* word4 iocb=parameter wqe=relative_offset memcpy */
8956 /* word5 [rctl, type, df_ctl, la] copied in memcpy */
8957 /* word6 context tag copied in memcpy */
8958 if (iocbq->iocb.ulpCt_h || iocbq->iocb.ulpCt_l) {
8959 ct = ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l);
8960 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
8961 "2015 Invalid CT %x command 0x%x\n",
8962 ct, iocbq->iocb.ulpCommand);
8965 bf_set(wqe_ct, &wqe->gen_req.wqe_com, 0);
8966 bf_set(wqe_tmo, &wqe->gen_req.wqe_com, iocbq->iocb.ulpTimeout);
8967 bf_set(wqe_pu, &wqe->gen_req.wqe_com, iocbq->iocb.ulpPU);
8968 bf_set(wqe_dbde, &wqe->gen_req.wqe_com, 1);
8969 bf_set(wqe_iod, &wqe->gen_req.wqe_com, LPFC_WQE_IOD_READ);
8970 bf_set(wqe_qosd, &wqe->gen_req.wqe_com, 1);
8971 bf_set(wqe_lenloc, &wqe->gen_req.wqe_com, LPFC_WQE_LENLOC_NONE);
8972 bf_set(wqe_ebde_cnt, &wqe->gen_req.wqe_com, 0);
8973 wqe->gen_req.max_response_payload_len = total_len - xmit_len;
8974 command_type = OTHER_COMMAND;
8976 case CMD_XMIT_ELS_RSP64_CX:
8977 ndlp = (struct lpfc_nodelist *)iocbq->context1;
8978 /* words0-2 BDE memcpy */
8979 /* word3 iocb=iotag32 wqe=response_payload_len */
8980 wqe->xmit_els_rsp.response_payload_len = xmit_len;
8982 wqe->xmit_els_rsp.word4 = 0;
8983 /* word5 iocb=rsvd wge=did */
8984 bf_set(wqe_els_did, &wqe->xmit_els_rsp.wqe_dest,
8985 iocbq->iocb.un.xseq64.xmit_els_remoteID);
8987 if_type = bf_get(lpfc_sli_intf_if_type,
8988 &phba->sli4_hba.sli_intf);
8989 if (if_type == LPFC_SLI_INTF_IF_TYPE_2) {
8990 if (iocbq->vport->fc_flag & FC_PT2PT) {
8991 bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1);
8992 bf_set(els_rsp64_sid, &wqe->xmit_els_rsp,
8993 iocbq->vport->fc_myDID);
8994 if (iocbq->vport->fc_myDID == Fabric_DID) {
8996 &wqe->xmit_els_rsp.wqe_dest, 0);
9000 bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com,
9001 ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
9002 bf_set(wqe_pu, &wqe->xmit_els_rsp.wqe_com, iocbq->iocb.ulpPU);
9003 bf_set(wqe_rcvoxid, &wqe->xmit_els_rsp.wqe_com,
9004 iocbq->iocb.unsli3.rcvsli3.ox_id);
9005 if (!iocbq->iocb.ulpCt_h && iocbq->iocb.ulpCt_l)
9006 bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com,
9007 phba->vpi_ids[iocbq->vport->vpi]);
9008 bf_set(wqe_dbde, &wqe->xmit_els_rsp.wqe_com, 1);
9009 bf_set(wqe_iod, &wqe->xmit_els_rsp.wqe_com, LPFC_WQE_IOD_WRITE);
9010 bf_set(wqe_qosd, &wqe->xmit_els_rsp.wqe_com, 1);
9011 bf_set(wqe_lenloc, &wqe->xmit_els_rsp.wqe_com,
9012 LPFC_WQE_LENLOC_WORD3);
9013 bf_set(wqe_ebde_cnt, &wqe->xmit_els_rsp.wqe_com, 0);
9014 bf_set(wqe_rsp_temp_rpi, &wqe->xmit_els_rsp,
9015 phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]);
9016 pcmd = (uint32_t *) (((struct lpfc_dmabuf *)
9017 iocbq->context2)->virt);
9018 if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
9019 bf_set(els_rsp64_sp, &wqe->xmit_els_rsp, 1);
9020 bf_set(els_rsp64_sid, &wqe->xmit_els_rsp,
9021 iocbq->vport->fc_myDID);
9022 bf_set(wqe_ct, &wqe->xmit_els_rsp.wqe_com, 1);
9023 bf_set(wqe_ctxt_tag, &wqe->xmit_els_rsp.wqe_com,
9024 phba->vpi_ids[phba->pport->vpi]);
9026 command_type = OTHER_COMMAND;
9028 case CMD_CLOSE_XRI_CN:
9029 case CMD_ABORT_XRI_CN:
9030 case CMD_ABORT_XRI_CX:
9031 /* words 0-2 memcpy should be 0 rserved */
9032 /* port will send abts */
9033 abrt_iotag = iocbq->iocb.un.acxri.abortContextTag;
9034 if (abrt_iotag != 0 && abrt_iotag <= phba->sli.last_iotag) {
9035 abrtiocbq = phba->sli.iocbq_lookup[abrt_iotag];
9036 fip = abrtiocbq->iocb_flag & LPFC_FIP_ELS_ID_MASK;
9040 if ((iocbq->iocb.ulpCommand == CMD_CLOSE_XRI_CN) || fip)
9042 * The link is down, or the command was ELS_FIP
9043 * so the fw does not need to send abts
9046 bf_set(abort_cmd_ia, &wqe->abort_cmd, 1);
9048 bf_set(abort_cmd_ia, &wqe->abort_cmd, 0);
9049 bf_set(abort_cmd_criteria, &wqe->abort_cmd, T_XRI_TAG);
9050 /* word5 iocb=CONTEXT_TAG|IO_TAG wqe=reserved */
9051 wqe->abort_cmd.rsrvd5 = 0;
9052 bf_set(wqe_ct, &wqe->abort_cmd.wqe_com,
9053 ((iocbq->iocb.ulpCt_h << 1) | iocbq->iocb.ulpCt_l));
9054 abort_tag = iocbq->iocb.un.acxri.abortIoTag;
9056 * The abort handler will send us CMD_ABORT_XRI_CN or
9057 * CMD_CLOSE_XRI_CN and the fw only accepts CMD_ABORT_XRI_CX
9059 bf_set(wqe_cmnd, &wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX);
9060 bf_set(wqe_qosd, &wqe->abort_cmd.wqe_com, 1);
9061 bf_set(wqe_lenloc, &wqe->abort_cmd.wqe_com,
9062 LPFC_WQE_LENLOC_NONE);
9063 cmnd = CMD_ABORT_XRI_CX;
9064 command_type = OTHER_COMMAND;
9067 case CMD_XMIT_BLS_RSP64_CX:
9068 ndlp = (struct lpfc_nodelist *)iocbq->context1;
9069 /* As BLS ABTS RSP WQE is very different from other WQEs,
9070 * we re-construct this WQE here based on information in
9071 * iocbq from scratch.
9073 memset(wqe, 0, sizeof(union lpfc_wqe));
9074 /* OX_ID is invariable to who sent ABTS to CT exchange */
9075 bf_set(xmit_bls_rsp64_oxid, &wqe->xmit_bls_rsp,
9076 bf_get(lpfc_abts_oxid, &iocbq->iocb.un.bls_rsp));
9077 if (bf_get(lpfc_abts_orig, &iocbq->iocb.un.bls_rsp) ==
9078 LPFC_ABTS_UNSOL_INT) {
9079 /* ABTS sent by initiator to CT exchange, the
9080 * RX_ID field will be filled with the newly
9081 * allocated responder XRI.
9083 bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp,
9084 iocbq->sli4_xritag);
9086 /* ABTS sent by responder to CT exchange, the
9087 * RX_ID field will be filled with the responder
9090 bf_set(xmit_bls_rsp64_rxid, &wqe->xmit_bls_rsp,
9091 bf_get(lpfc_abts_rxid, &iocbq->iocb.un.bls_rsp));
9093 bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff);
9094 bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1);
9097 bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest,
9099 bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp,
9100 iocbq->iocb.ulpContext);
9101 bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1);
9102 bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com,
9103 phba->vpi_ids[phba->pport->vpi]);
9104 bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1);
9105 bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com,
9106 LPFC_WQE_LENLOC_NONE);
9107 /* Overwrite the pre-set comnd type with OTHER_COMMAND */
9108 command_type = OTHER_COMMAND;
9109 if (iocbq->iocb.un.xseq64.w5.hcsw.Rctl == FC_RCTL_BA_RJT) {
9110 bf_set(xmit_bls_rsp64_rjt_vspec, &wqe->xmit_bls_rsp,
9111 bf_get(lpfc_vndr_code, &iocbq->iocb.un.bls_rsp));
9112 bf_set(xmit_bls_rsp64_rjt_expc, &wqe->xmit_bls_rsp,
9113 bf_get(lpfc_rsn_expln, &iocbq->iocb.un.bls_rsp));
9114 bf_set(xmit_bls_rsp64_rjt_rsnc, &wqe->xmit_bls_rsp,
9115 bf_get(lpfc_rsn_code, &iocbq->iocb.un.bls_rsp));
9119 case CMD_XRI_ABORTED_CX:
9120 case CMD_CREATE_XRI_CR: /* Do we expect to use this? */
9121 case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */
9122 case CMD_FCP_TSEND64_CX: /* Target mode send xfer-ready */
9123 case CMD_FCP_TRSP64_CX: /* Target mode rcv */
9124 case CMD_FCP_AUTO_TRSP_CX: /* Auto target rsp */
9126 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
9127 "2014 Invalid command 0x%x\n",
9128 iocbq->iocb.ulpCommand);
9133 if (iocbq->iocb_flag & LPFC_IO_DIF_PASS)
9134 bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU);
9135 else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP)
9136 bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP);
9137 else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT)
9138 bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT);
9139 iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP |
9140 LPFC_IO_DIF_INSERT);
9141 bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag);
9142 bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag);
9143 wqe->generic.wqe_com.abort_tag = abort_tag;
9144 bf_set(wqe_cmd_type, &wqe->generic.wqe_com, command_type);
9145 bf_set(wqe_cmnd, &wqe->generic.wqe_com, cmnd);
9146 bf_set(wqe_class, &wqe->generic.wqe_com, iocbq->iocb.ulpClass);
9147 bf_set(wqe_cqid, &wqe->generic.wqe_com, LPFC_WQE_CQ_ID_DEFAULT);
9152 * __lpfc_sli_issue_iocb_s4 - SLI4 device lockless ver of lpfc_sli_issue_iocb
9153 * @phba: Pointer to HBA context object.
9154 * @ring_number: SLI ring number to issue iocb on.
9155 * @piocb: Pointer to command iocb.
9156 * @flag: Flag indicating if this command can be put into txq.
9158 * __lpfc_sli_issue_iocb_s4 is used by other functions in the driver to issue
9159 * an iocb command to an HBA with SLI-4 interface spec.
9161 * This function is called with hbalock held. The function will return success
9162 * after it successfully submit the iocb to firmware or after adding to the
9166 __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number,
9167 struct lpfc_iocbq *piocb, uint32_t flag)
9169 struct lpfc_sglq *sglq;
9170 union lpfc_wqe *wqe;
9171 union lpfc_wqe128 wqe128;
9172 struct lpfc_queue *wq;
9173 struct lpfc_sli_ring *pring;
9176 if ((piocb->iocb_flag & LPFC_IO_FCP) ||
9177 (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) {
9178 if (!phba->cfg_fof || (!(piocb->iocb_flag & LPFC_IO_OAS)))
9179 wq = phba->sli4_hba.fcp_wq[piocb->hba_wqidx];
9181 wq = phba->sli4_hba.oas_wq;
9183 wq = phba->sli4_hba.els_wq;
9186 /* Get corresponding ring */
9190 * The WQE can be either 64 or 128 bytes,
9191 * so allocate space on the stack assuming the largest.
9193 wqe = (union lpfc_wqe *)&wqe128;
9195 lockdep_assert_held(&phba->hbalock);
9197 if (piocb->sli4_xritag == NO_XRI) {
9198 if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN ||
9199 piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN)
9202 if (!list_empty(&pring->txq)) {
9203 if (!(flag & SLI_IOCB_RET_IOCB)) {
9204 __lpfc_sli_ringtx_put(phba,
9206 return IOCB_SUCCESS;
9211 sglq = __lpfc_sli_get_els_sglq(phba, piocb);
9213 if (!(flag & SLI_IOCB_RET_IOCB)) {
9214 __lpfc_sli_ringtx_put(phba,
9217 return IOCB_SUCCESS;
9223 } else if (piocb->iocb_flag & LPFC_IO_FCP)
9224 /* These IO's already have an XRI and a mapped sgl. */
9228 * This is a continuation of a commandi,(CX) so this
9229 * sglq is on the active list
9231 sglq = __lpfc_get_active_sglq(phba, piocb->sli4_lxritag);
9237 piocb->sli4_lxritag = sglq->sli4_lxritag;
9238 piocb->sli4_xritag = sglq->sli4_xritag;
9239 if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocb, sglq))
9243 if (lpfc_sli4_iocb2wqe(phba, piocb, wqe))
9246 if (lpfc_sli4_wq_put(wq, wqe))
9248 lpfc_sli_ringtxcmpl_put(phba, pring, piocb);
9254 * __lpfc_sli_issue_iocb - Wrapper func of lockless version for issuing iocb
9256 * This routine wraps the actual lockless version for issusing IOCB function
9257 * pointer from the lpfc_hba struct.
9260 * IOCB_ERROR - Error
9261 * IOCB_SUCCESS - Success
9265 __lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number,
9266 struct lpfc_iocbq *piocb, uint32_t flag)
9268 return phba->__lpfc_sli_issue_iocb(phba, ring_number, piocb, flag);
9272 * lpfc_sli_api_table_setup - Set up sli api function jump table
9273 * @phba: The hba struct for which this call is being executed.
9274 * @dev_grp: The HBA PCI-Device group number.
9276 * This routine sets up the SLI interface API function jump table in @phba
9278 * Returns: 0 - success, -ENODEV - failure.
9281 lpfc_sli_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
9285 case LPFC_PCI_DEV_LP:
9286 phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s3;
9287 phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s3;
9289 case LPFC_PCI_DEV_OC:
9290 phba->__lpfc_sli_issue_iocb = __lpfc_sli_issue_iocb_s4;
9291 phba->__lpfc_sli_release_iocbq = __lpfc_sli_release_iocbq_s4;
9294 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
9295 "1419 Invalid HBA PCI-device group: 0x%x\n",
9300 phba->lpfc_get_iocb_from_iocbq = lpfc_get_iocb_from_iocbq;
9305 * lpfc_sli4_calc_ring - Calculates which ring to use
9306 * @phba: Pointer to HBA context object.
9307 * @piocb: Pointer to command iocb.
9309 * For SLI4 only, FCP IO can deferred to one fo many WQs, based on
9310 * hba_wqidx, thus we need to calculate the corresponding ring.
9311 * Since ABORTS must go on the same WQ of the command they are
9312 * aborting, we use command's hba_wqidx.
9314 struct lpfc_sli_ring *
9315 lpfc_sli4_calc_ring(struct lpfc_hba *phba, struct lpfc_iocbq *piocb)
9317 if (piocb->iocb_flag & (LPFC_IO_FCP | LPFC_USE_FCPWQIDX)) {
9318 if (!(phba->cfg_fof) ||
9319 (!(piocb->iocb_flag & LPFC_IO_FOF))) {
9320 if (unlikely(!phba->sli4_hba.fcp_wq))
9323 * for abort iocb hba_wqidx should already
9324 * be setup based on what work queue we used.
9326 if (!(piocb->iocb_flag & LPFC_USE_FCPWQIDX))
9328 lpfc_sli4_scmd_to_wqidx_distr(phba,
9330 return phba->sli4_hba.fcp_wq[piocb->hba_wqidx]->pring;
9332 if (unlikely(!phba->sli4_hba.oas_wq))
9334 piocb->hba_wqidx = 0;
9335 return phba->sli4_hba.oas_wq->pring;
9338 if (unlikely(!phba->sli4_hba.els_wq))
9340 piocb->hba_wqidx = 0;
9341 return phba->sli4_hba.els_wq->pring;
9346 * lpfc_sli_issue_iocb - Wrapper function for __lpfc_sli_issue_iocb
9347 * @phba: Pointer to HBA context object.
9348 * @pring: Pointer to driver SLI ring object.
9349 * @piocb: Pointer to command iocb.
9350 * @flag: Flag indicating if this command can be put into txq.
9352 * lpfc_sli_issue_iocb is a wrapper around __lpfc_sli_issue_iocb
9353 * function. This function gets the hbalock and calls
9354 * __lpfc_sli_issue_iocb function and will return the error returned
9355 * by __lpfc_sli_issue_iocb function. This wrapper is used by
9356 * functions which do not hold hbalock.
9359 lpfc_sli_issue_iocb(struct lpfc_hba *phba, uint32_t ring_number,
9360 struct lpfc_iocbq *piocb, uint32_t flag)
9362 struct lpfc_hba_eq_hdl *hba_eq_hdl;
9363 struct lpfc_sli_ring *pring;
9364 struct lpfc_queue *fpeq;
9365 struct lpfc_eqe *eqe;
9366 unsigned long iflags;
9369 if (phba->sli_rev == LPFC_SLI_REV4) {
9370 pring = lpfc_sli4_calc_ring(phba, piocb);
9371 if (unlikely(pring == NULL))
9374 spin_lock_irqsave(&pring->ring_lock, iflags);
9375 rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag);
9376 spin_unlock_irqrestore(&pring->ring_lock, iflags);
9378 if (lpfc_fcp_look_ahead && (piocb->iocb_flag & LPFC_IO_FCP)) {
9379 idx = piocb->hba_wqidx;
9380 hba_eq_hdl = &phba->sli4_hba.hba_eq_hdl[idx];
9382 if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use)) {
9384 /* Get associated EQ with this index */
9385 fpeq = phba->sli4_hba.hba_eq[idx];
9387 /* Turn off interrupts from this EQ */
9388 lpfc_sli4_eq_clr_intr(fpeq);
9391 * Process all the events on FCP EQ
9393 while ((eqe = lpfc_sli4_eq_get(fpeq))) {
9394 lpfc_sli4_hba_handle_eqe(phba,
9396 fpeq->EQ_processed++;
9399 /* Always clear and re-arm the EQ */
9400 lpfc_sli4_eq_release(fpeq,
9403 atomic_inc(&hba_eq_hdl->hba_eq_in_use);
9406 /* For now, SLI2/3 will still use hbalock */
9407 spin_lock_irqsave(&phba->hbalock, iflags);
9408 rc = __lpfc_sli_issue_iocb(phba, ring_number, piocb, flag);
9409 spin_unlock_irqrestore(&phba->hbalock, iflags);
9415 * lpfc_extra_ring_setup - Extra ring setup function
9416 * @phba: Pointer to HBA context object.
9418 * This function is called while driver attaches with the
9419 * HBA to setup the extra ring. The extra ring is used
9420 * only when driver needs to support target mode functionality
9421 * or IP over FC functionalities.
9423 * This function is called with no lock held. SLI3 only.
9426 lpfc_extra_ring_setup( struct lpfc_hba *phba)
9428 struct lpfc_sli *psli;
9429 struct lpfc_sli_ring *pring;
9433 /* Adjust cmd/rsp ring iocb entries more evenly */
9435 /* Take some away from the FCP ring */
9436 pring = &psli->sli3_ring[LPFC_FCP_RING];
9437 pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R1XTRA_ENTRIES;
9438 pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R1XTRA_ENTRIES;
9439 pring->sli.sli3.numCiocb -= SLI2_IOCB_CMD_R3XTRA_ENTRIES;
9440 pring->sli.sli3.numRiocb -= SLI2_IOCB_RSP_R3XTRA_ENTRIES;
9442 /* and give them to the extra ring */
9443 pring = &psli->sli3_ring[LPFC_EXTRA_RING];
9445 pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R1XTRA_ENTRIES;
9446 pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R1XTRA_ENTRIES;
9447 pring->sli.sli3.numCiocb += SLI2_IOCB_CMD_R3XTRA_ENTRIES;
9448 pring->sli.sli3.numRiocb += SLI2_IOCB_RSP_R3XTRA_ENTRIES;
9450 /* Setup default profile for this ring */
9451 pring->iotag_max = 4096;
9452 pring->num_mask = 1;
9453 pring->prt[0].profile = 0; /* Mask 0 */
9454 pring->prt[0].rctl = phba->cfg_multi_ring_rctl;
9455 pring->prt[0].type = phba->cfg_multi_ring_type;
9456 pring->prt[0].lpfc_sli_rcv_unsol_event = NULL;
9460 /* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port.
9461 * @phba: Pointer to HBA context object.
9462 * @iocbq: Pointer to iocb object.
9464 * The async_event handler calls this routine when it receives
9465 * an ASYNC_STATUS_CN event from the port. The port generates
9466 * this event when an Abort Sequence request to an rport fails
9467 * twice in succession. The abort could be originated by the
9468 * driver or by the port. The ABTS could have been for an ELS
9469 * or FCP IO. The port only generates this event when an ABTS
9470 * fails to complete after one retry.
9473 lpfc_sli_abts_err_handler(struct lpfc_hba *phba,
9474 struct lpfc_iocbq *iocbq)
9476 struct lpfc_nodelist *ndlp = NULL;
9477 uint16_t rpi = 0, vpi = 0;
9478 struct lpfc_vport *vport = NULL;
9480 /* The rpi in the ulpContext is vport-sensitive. */
9481 vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag;
9482 rpi = iocbq->iocb.ulpContext;
9484 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
9485 "3092 Port generated ABTS async event "
9486 "on vpi %d rpi %d status 0x%x\n",
9487 vpi, rpi, iocbq->iocb.ulpStatus);
9489 vport = lpfc_find_vport_by_vpid(phba, vpi);
9492 ndlp = lpfc_findnode_rpi(vport, rpi);
9493 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
9496 if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT)
9497 lpfc_sli_abts_recover_port(vport, ndlp);
9501 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
9502 "3095 Event Context not found, no "
9503 "action on vpi %d rpi %d status 0x%x, reason 0x%x\n",
9504 iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus,
9508 /* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port.
9509 * @phba: pointer to HBA context object.
9510 * @ndlp: nodelist pointer for the impacted rport.
9511 * @axri: pointer to the wcqe containing the failed exchange.
9513 * The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the
9514 * port. The port generates this event when an abort exchange request to an
9515 * rport fails twice in succession with no reply. The abort could be originated
9516 * by the driver or by the port. The ABTS could have been for an ELS or FCP IO.
9519 lpfc_sli4_abts_err_handler(struct lpfc_hba *phba,
9520 struct lpfc_nodelist *ndlp,
9521 struct sli4_wcqe_xri_aborted *axri)
9523 struct lpfc_vport *vport;
9524 uint32_t ext_status = 0;
9526 if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
9527 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
9528 "3115 Node Context not found, driver "
9529 "ignoring abts err event\n");
9533 vport = ndlp->vport;
9534 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
9535 "3116 Port generated FCP XRI ABORT event on "
9536 "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n",
9537 ndlp->vport->vpi, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi],
9538 bf_get(lpfc_wcqe_xa_xri, axri),
9539 bf_get(lpfc_wcqe_xa_status, axri),
9543 * Catch the ABTS protocol failure case. Older OCe FW releases returned
9544 * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and
9545 * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT.
9547 ext_status = axri->parameter & IOERR_PARAM_MASK;
9548 if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) &&
9549 ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0)))
9550 lpfc_sli_abts_recover_port(vport, ndlp);
9554 * lpfc_sli_async_event_handler - ASYNC iocb handler function
9555 * @phba: Pointer to HBA context object.
9556 * @pring: Pointer to driver SLI ring object.
9557 * @iocbq: Pointer to iocb object.
9559 * This function is called by the slow ring event handler
9560 * function when there is an ASYNC event iocb in the ring.
9561 * This function is called with no lock held.
9562 * Currently this function handles only temperature related
9563 * ASYNC events. The function decodes the temperature sensor
9564 * event message and posts events for the management applications.
9567 lpfc_sli_async_event_handler(struct lpfc_hba * phba,
9568 struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq)
9572 struct temp_event temp_event_data;
9573 struct Scsi_Host *shost;
9576 icmd = &iocbq->iocb;
9577 evt_code = icmd->un.asyncstat.evt_code;
9580 case ASYNC_TEMP_WARN:
9581 case ASYNC_TEMP_SAFE:
9582 temp_event_data.data = (uint32_t) icmd->ulpContext;
9583 temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
9584 if (evt_code == ASYNC_TEMP_WARN) {
9585 temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
9586 lpfc_printf_log(phba, KERN_ERR, LOG_TEMP,
9587 "0347 Adapter is very hot, please take "
9588 "corrective action. temperature : %d Celsius\n",
9589 (uint32_t) icmd->ulpContext);
9591 temp_event_data.event_code = LPFC_NORMAL_TEMP;
9592 lpfc_printf_log(phba, KERN_ERR, LOG_TEMP,
9593 "0340 Adapter temperature is OK now. "
9594 "temperature : %d Celsius\n",
9595 (uint32_t) icmd->ulpContext);
9598 /* Send temperature change event to applications */
9599 shost = lpfc_shost_from_vport(phba->pport);
9600 fc_host_post_vendor_event(shost, fc_get_event_number(),
9601 sizeof(temp_event_data), (char *) &temp_event_data,
9604 case ASYNC_STATUS_CN:
9605 lpfc_sli_abts_err_handler(phba, iocbq);
9608 iocb_w = (uint32_t *) icmd;
9609 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
9610 "0346 Ring %d handler: unexpected ASYNC_STATUS"
9612 "W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n"
9613 "W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n"
9614 "W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n"
9615 "W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n",
9616 pring->ringno, icmd->un.asyncstat.evt_code,
9617 iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3],
9618 iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7],
9619 iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11],
9620 iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]);
9628 * lpfc_sli4_setup - SLI ring setup function
9629 * @phba: Pointer to HBA context object.
9631 * lpfc_sli_setup sets up rings of the SLI interface with
9632 * number of iocbs per ring and iotags. This function is
9633 * called while driver attach to the HBA and before the
9634 * interrupts are enabled. So there is no need for locking.
9636 * This function always returns 0.
9639 lpfc_sli4_setup(struct lpfc_hba *phba)
9641 struct lpfc_sli_ring *pring;
9643 pring = phba->sli4_hba.els_wq->pring;
9644 pring->num_mask = LPFC_MAX_RING_MASK;
9645 pring->prt[0].profile = 0; /* Mask 0 */
9646 pring->prt[0].rctl = FC_RCTL_ELS_REQ;
9647 pring->prt[0].type = FC_TYPE_ELS;
9648 pring->prt[0].lpfc_sli_rcv_unsol_event =
9649 lpfc_els_unsol_event;
9650 pring->prt[1].profile = 0; /* Mask 1 */
9651 pring->prt[1].rctl = FC_RCTL_ELS_REP;
9652 pring->prt[1].type = FC_TYPE_ELS;
9653 pring->prt[1].lpfc_sli_rcv_unsol_event =
9654 lpfc_els_unsol_event;
9655 pring->prt[2].profile = 0; /* Mask 2 */
9656 /* NameServer Inquiry */
9657 pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL;
9659 pring->prt[2].type = FC_TYPE_CT;
9660 pring->prt[2].lpfc_sli_rcv_unsol_event =
9661 lpfc_ct_unsol_event;
9662 pring->prt[3].profile = 0; /* Mask 3 */
9663 /* NameServer response */
9664 pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL;
9666 pring->prt[3].type = FC_TYPE_CT;
9667 pring->prt[3].lpfc_sli_rcv_unsol_event =
9668 lpfc_ct_unsol_event;
9673 * lpfc_sli_setup - SLI ring setup function
9674 * @phba: Pointer to HBA context object.
9676 * lpfc_sli_setup sets up rings of the SLI interface with
9677 * number of iocbs per ring and iotags. This function is
9678 * called while driver attach to the HBA and before the
9679 * interrupts are enabled. So there is no need for locking.
9681 * This function always returns 0. SLI3 only.
9684 lpfc_sli_setup(struct lpfc_hba *phba)
9686 int i, totiocbsize = 0;
9687 struct lpfc_sli *psli = &phba->sli;
9688 struct lpfc_sli_ring *pring;
9690 psli->num_rings = MAX_SLI3_CONFIGURED_RINGS;
9693 psli->iocbq_lookup = NULL;
9694 psli->iocbq_lookup_len = 0;
9695 psli->last_iotag = 0;
9697 for (i = 0; i < psli->num_rings; i++) {
9698 pring = &psli->sli3_ring[i];
9700 case LPFC_FCP_RING: /* ring 0 - FCP */
9701 /* numCiocb and numRiocb are used in config_port */
9702 pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R0_ENTRIES;
9703 pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R0_ENTRIES;
9704 pring->sli.sli3.numCiocb +=
9705 SLI2_IOCB_CMD_R1XTRA_ENTRIES;
9706 pring->sli.sli3.numRiocb +=
9707 SLI2_IOCB_RSP_R1XTRA_ENTRIES;
9708 pring->sli.sli3.numCiocb +=
9709 SLI2_IOCB_CMD_R3XTRA_ENTRIES;
9710 pring->sli.sli3.numRiocb +=
9711 SLI2_IOCB_RSP_R3XTRA_ENTRIES;
9712 pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ?
9713 SLI3_IOCB_CMD_SIZE :
9715 pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ?
9716 SLI3_IOCB_RSP_SIZE :
9718 pring->iotag_ctr = 0;
9720 (phba->cfg_hba_queue_depth * 2);
9721 pring->fast_iotag = pring->iotag_max;
9722 pring->num_mask = 0;
9724 case LPFC_EXTRA_RING: /* ring 1 - EXTRA */
9725 /* numCiocb and numRiocb are used in config_port */
9726 pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R1_ENTRIES;
9727 pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R1_ENTRIES;
9728 pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ?
9729 SLI3_IOCB_CMD_SIZE :
9731 pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ?
9732 SLI3_IOCB_RSP_SIZE :
9734 pring->iotag_max = phba->cfg_hba_queue_depth;
9735 pring->num_mask = 0;
9737 case LPFC_ELS_RING: /* ring 2 - ELS / CT */
9738 /* numCiocb and numRiocb are used in config_port */
9739 pring->sli.sli3.numCiocb = SLI2_IOCB_CMD_R2_ENTRIES;
9740 pring->sli.sli3.numRiocb = SLI2_IOCB_RSP_R2_ENTRIES;
9741 pring->sli.sli3.sizeCiocb = (phba->sli_rev == 3) ?
9742 SLI3_IOCB_CMD_SIZE :
9744 pring->sli.sli3.sizeRiocb = (phba->sli_rev == 3) ?
9745 SLI3_IOCB_RSP_SIZE :
9747 pring->fast_iotag = 0;
9748 pring->iotag_ctr = 0;
9749 pring->iotag_max = 4096;
9750 pring->lpfc_sli_rcv_async_status =
9751 lpfc_sli_async_event_handler;
9752 pring->num_mask = LPFC_MAX_RING_MASK;
9753 pring->prt[0].profile = 0; /* Mask 0 */
9754 pring->prt[0].rctl = FC_RCTL_ELS_REQ;
9755 pring->prt[0].type = FC_TYPE_ELS;
9756 pring->prt[0].lpfc_sli_rcv_unsol_event =
9757 lpfc_els_unsol_event;
9758 pring->prt[1].profile = 0; /* Mask 1 */
9759 pring->prt[1].rctl = FC_RCTL_ELS_REP;
9760 pring->prt[1].type = FC_TYPE_ELS;
9761 pring->prt[1].lpfc_sli_rcv_unsol_event =
9762 lpfc_els_unsol_event;
9763 pring->prt[2].profile = 0; /* Mask 2 */
9764 /* NameServer Inquiry */
9765 pring->prt[2].rctl = FC_RCTL_DD_UNSOL_CTL;
9767 pring->prt[2].type = FC_TYPE_CT;
9768 pring->prt[2].lpfc_sli_rcv_unsol_event =
9769 lpfc_ct_unsol_event;
9770 pring->prt[3].profile = 0; /* Mask 3 */
9771 /* NameServer response */
9772 pring->prt[3].rctl = FC_RCTL_DD_SOL_CTL;
9774 pring->prt[3].type = FC_TYPE_CT;
9775 pring->prt[3].lpfc_sli_rcv_unsol_event =
9776 lpfc_ct_unsol_event;
9779 totiocbsize += (pring->sli.sli3.numCiocb *
9780 pring->sli.sli3.sizeCiocb) +
9781 (pring->sli.sli3.numRiocb * pring->sli.sli3.sizeRiocb);
9783 if (totiocbsize > MAX_SLIM_IOCB_SIZE) {
9784 /* Too many cmd / rsp ring entries in SLI2 SLIM */
9785 printk(KERN_ERR "%d:0462 Too many cmd / rsp ring entries in "
9786 "SLI2 SLIM Data: x%x x%lx\n",
9787 phba->brd_no, totiocbsize,
9788 (unsigned long) MAX_SLIM_IOCB_SIZE);
9790 if (phba->cfg_multi_ring_support == 2)
9791 lpfc_extra_ring_setup(phba);
9797 * lpfc_sli4_queue_init - Queue initialization function
9798 * @phba: Pointer to HBA context object.
9800 * lpfc_sli4_queue_init sets up mailbox queues and iocb queues for each
9801 * ring. This function also initializes ring indices of each ring.
9802 * This function is called during the initialization of the SLI
9803 * interface of an HBA.
9804 * This function is called with no lock held and always returns
9808 lpfc_sli4_queue_init(struct lpfc_hba *phba)
9810 struct lpfc_sli *psli;
9811 struct lpfc_sli_ring *pring;
9815 spin_lock_irq(&phba->hbalock);
9816 INIT_LIST_HEAD(&psli->mboxq);
9817 INIT_LIST_HEAD(&psli->mboxq_cmpl);
9818 /* Initialize list headers for txq and txcmplq as double linked lists */
9819 for (i = 0; i < phba->cfg_fcp_io_channel; i++) {
9820 pring = phba->sli4_hba.fcp_wq[i]->pring;
9822 pring->ringno = LPFC_FCP_RING;
9823 INIT_LIST_HEAD(&pring->txq);
9824 INIT_LIST_HEAD(&pring->txcmplq);
9825 INIT_LIST_HEAD(&pring->iocb_continueq);
9826 spin_lock_init(&pring->ring_lock);
9828 for (i = 0; i < phba->cfg_nvme_io_channel; i++) {
9829 pring = phba->sli4_hba.nvme_wq[i]->pring;
9831 pring->ringno = LPFC_FCP_RING;
9832 INIT_LIST_HEAD(&pring->txq);
9833 INIT_LIST_HEAD(&pring->txcmplq);
9834 INIT_LIST_HEAD(&pring->iocb_continueq);
9835 spin_lock_init(&pring->ring_lock);
9837 pring = phba->sli4_hba.els_wq->pring;
9839 pring->ringno = LPFC_ELS_RING;
9840 INIT_LIST_HEAD(&pring->txq);
9841 INIT_LIST_HEAD(&pring->txcmplq);
9842 INIT_LIST_HEAD(&pring->iocb_continueq);
9843 spin_lock_init(&pring->ring_lock);
9845 if (phba->cfg_nvme_io_channel) {
9846 pring = phba->sli4_hba.nvmels_wq->pring;
9848 pring->ringno = LPFC_ELS_RING;
9849 INIT_LIST_HEAD(&pring->txq);
9850 INIT_LIST_HEAD(&pring->txcmplq);
9851 INIT_LIST_HEAD(&pring->iocb_continueq);
9852 spin_lock_init(&pring->ring_lock);
9855 if (phba->cfg_fof) {
9856 pring = phba->sli4_hba.oas_wq->pring;
9858 pring->ringno = LPFC_FCP_RING;
9859 INIT_LIST_HEAD(&pring->txq);
9860 INIT_LIST_HEAD(&pring->txcmplq);
9861 INIT_LIST_HEAD(&pring->iocb_continueq);
9862 spin_lock_init(&pring->ring_lock);
9865 spin_unlock_irq(&phba->hbalock);
9869 * lpfc_sli_queue_init - Queue initialization function
9870 * @phba: Pointer to HBA context object.
9872 * lpfc_sli_queue_init sets up mailbox queues and iocb queues for each
9873 * ring. This function also initializes ring indices of each ring.
9874 * This function is called during the initialization of the SLI
9875 * interface of an HBA.
9876 * This function is called with no lock held and always returns
9880 lpfc_sli_queue_init(struct lpfc_hba *phba)
9882 struct lpfc_sli *psli;
9883 struct lpfc_sli_ring *pring;
9887 spin_lock_irq(&phba->hbalock);
9888 INIT_LIST_HEAD(&psli->mboxq);
9889 INIT_LIST_HEAD(&psli->mboxq_cmpl);
9890 /* Initialize list headers for txq and txcmplq as double linked lists */
9891 for (i = 0; i < psli->num_rings; i++) {
9892 pring = &psli->sli3_ring[i];
9894 pring->sli.sli3.next_cmdidx = 0;
9895 pring->sli.sli3.local_getidx = 0;
9896 pring->sli.sli3.cmdidx = 0;
9897 INIT_LIST_HEAD(&pring->iocb_continueq);
9898 INIT_LIST_HEAD(&pring->iocb_continue_saveq);
9899 INIT_LIST_HEAD(&pring->postbufq);
9901 INIT_LIST_HEAD(&pring->txq);
9902 INIT_LIST_HEAD(&pring->txcmplq);
9903 spin_lock_init(&pring->ring_lock);
9905 spin_unlock_irq(&phba->hbalock);
9909 * lpfc_sli_mbox_sys_flush - Flush mailbox command sub-system
9910 * @phba: Pointer to HBA context object.
9912 * This routine flushes the mailbox command subsystem. It will unconditionally
9913 * flush all the mailbox commands in the three possible stages in the mailbox
9914 * command sub-system: pending mailbox command queue; the outstanding mailbox
9915 * command; and completed mailbox command queue. It is caller's responsibility
9916 * to make sure that the driver is in the proper state to flush the mailbox
9917 * command sub-system. Namely, the posting of mailbox commands into the
9918 * pending mailbox command queue from the various clients must be stopped;
9919 * either the HBA is in a state that it will never works on the outstanding
9920 * mailbox command (such as in EEH or ERATT conditions) or the outstanding
9921 * mailbox command has been completed.
9924 lpfc_sli_mbox_sys_flush(struct lpfc_hba *phba)
9926 LIST_HEAD(completions);
9927 struct lpfc_sli *psli = &phba->sli;
9929 unsigned long iflag;
9931 /* Flush all the mailbox commands in the mbox system */
9932 spin_lock_irqsave(&phba->hbalock, iflag);
9933 /* The pending mailbox command queue */
9934 list_splice_init(&phba->sli.mboxq, &completions);
9935 /* The outstanding active mailbox command */
9936 if (psli->mbox_active) {
9937 list_add_tail(&psli->mbox_active->list, &completions);
9938 psli->mbox_active = NULL;
9939 psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
9941 /* The completed mailbox command queue */
9942 list_splice_init(&phba->sli.mboxq_cmpl, &completions);
9943 spin_unlock_irqrestore(&phba->hbalock, iflag);
9945 /* Return all flushed mailbox commands with MBX_NOT_FINISHED status */
9946 while (!list_empty(&completions)) {
9947 list_remove_head(&completions, pmb, LPFC_MBOXQ_t, list);
9948 pmb->u.mb.mbxStatus = MBX_NOT_FINISHED;
9950 pmb->mbox_cmpl(phba, pmb);
9955 * lpfc_sli_host_down - Vport cleanup function
9956 * @vport: Pointer to virtual port object.
9958 * lpfc_sli_host_down is called to clean up the resources
9959 * associated with a vport before destroying virtual
9960 * port data structures.
9961 * This function does following operations:
9962 * - Free discovery resources associated with this virtual
9964 * - Free iocbs associated with this virtual port in
9966 * - Send abort for all iocb commands associated with this
9969 * This function is called with no lock held and always returns 1.
9972 lpfc_sli_host_down(struct lpfc_vport *vport)
9974 LIST_HEAD(completions);
9975 struct lpfc_hba *phba = vport->phba;
9976 struct lpfc_sli *psli = &phba->sli;
9977 struct lpfc_queue *qp = NULL;
9978 struct lpfc_sli_ring *pring;
9979 struct lpfc_iocbq *iocb, *next_iocb;
9981 unsigned long flags = 0;
9982 uint16_t prev_pring_flag;
9984 lpfc_cleanup_discovery_resources(vport);
9986 spin_lock_irqsave(&phba->hbalock, flags);
9989 * Error everything on the txq since these iocbs
9990 * have not been given to the FW yet.
9991 * Also issue ABTS for everything on the txcmplq
9993 if (phba->sli_rev != LPFC_SLI_REV4) {
9994 for (i = 0; i < psli->num_rings; i++) {
9995 pring = &psli->sli3_ring[i];
9996 prev_pring_flag = pring->flag;
9997 /* Only slow rings */
9998 if (pring->ringno == LPFC_ELS_RING) {
9999 pring->flag |= LPFC_DEFERRED_RING_EVENT;
10000 /* Set the lpfc data pending flag */
10001 set_bit(LPFC_DATA_READY, &phba->data_flags);
10003 list_for_each_entry_safe(iocb, next_iocb,
10004 &pring->txq, list) {
10005 if (iocb->vport != vport)
10007 list_move_tail(&iocb->list, &completions);
10009 list_for_each_entry_safe(iocb, next_iocb,
10010 &pring->txcmplq, list) {
10011 if (iocb->vport != vport)
10013 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
10015 pring->flag = prev_pring_flag;
10018 list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
10022 if (pring == phba->sli4_hba.els_wq->pring) {
10023 pring->flag |= LPFC_DEFERRED_RING_EVENT;
10024 /* Set the lpfc data pending flag */
10025 set_bit(LPFC_DATA_READY, &phba->data_flags);
10027 prev_pring_flag = pring->flag;
10028 spin_lock_irq(&pring->ring_lock);
10029 list_for_each_entry_safe(iocb, next_iocb,
10030 &pring->txq, list) {
10031 if (iocb->vport != vport)
10033 list_move_tail(&iocb->list, &completions);
10035 spin_unlock_irq(&pring->ring_lock);
10036 list_for_each_entry_safe(iocb, next_iocb,
10037 &pring->txcmplq, list) {
10038 if (iocb->vport != vport)
10040 lpfc_sli_issue_abort_iotag(phba, pring, iocb);
10042 pring->flag = prev_pring_flag;
10045 spin_unlock_irqrestore(&phba->hbalock, flags);
10047 /* Cancel all the IOCBs from the completions list */
10048 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
10054 * lpfc_sli_hba_down - Resource cleanup function for the HBA
10055 * @phba: Pointer to HBA context object.
10057 * This function cleans up all iocb, buffers, mailbox commands
10058 * while shutting down the HBA. This function is called with no
10059 * lock held and always returns 1.
10060 * This function does the following to cleanup driver resources:
10061 * - Free discovery resources for each virtual port
10062 * - Cleanup any pending fabric iocbs
10063 * - Iterate through the iocb txq and free each entry
10065 * - Free up any buffer posted to the HBA
10066 * - Free mailbox commands in the mailbox queue.
10069 lpfc_sli_hba_down(struct lpfc_hba *phba)
10071 LIST_HEAD(completions);
10072 struct lpfc_sli *psli = &phba->sli;
10073 struct lpfc_queue *qp = NULL;
10074 struct lpfc_sli_ring *pring;
10075 struct lpfc_dmabuf *buf_ptr;
10076 unsigned long flags = 0;
10079 /* Shutdown the mailbox command sub-system */
10080 lpfc_sli_mbox_sys_shutdown(phba, LPFC_MBX_WAIT);
10082 lpfc_hba_down_prep(phba);
10084 lpfc_fabric_abort_hba(phba);
10086 spin_lock_irqsave(&phba->hbalock, flags);
10089 * Error everything on the txq since these iocbs
10090 * have not been given to the FW yet.
10092 if (phba->sli_rev != LPFC_SLI_REV4) {
10093 for (i = 0; i < psli->num_rings; i++) {
10094 pring = &psli->sli3_ring[i];
10095 /* Only slow rings */
10096 if (pring->ringno == LPFC_ELS_RING) {
10097 pring->flag |= LPFC_DEFERRED_RING_EVENT;
10098 /* Set the lpfc data pending flag */
10099 set_bit(LPFC_DATA_READY, &phba->data_flags);
10101 list_splice_init(&pring->txq, &completions);
10104 list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
10108 spin_lock_irq(&pring->ring_lock);
10109 list_splice_init(&pring->txq, &completions);
10110 spin_unlock_irq(&pring->ring_lock);
10111 if (pring == phba->sli4_hba.els_wq->pring) {
10112 pring->flag |= LPFC_DEFERRED_RING_EVENT;
10113 /* Set the lpfc data pending flag */
10114 set_bit(LPFC_DATA_READY, &phba->data_flags);
10118 spin_unlock_irqrestore(&phba->hbalock, flags);
10120 /* Cancel all the IOCBs from the completions list */
10121 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
10124 spin_lock_irqsave(&phba->hbalock, flags);
10125 list_splice_init(&phba->elsbuf, &completions);
10126 phba->elsbuf_cnt = 0;
10127 phba->elsbuf_prev_cnt = 0;
10128 spin_unlock_irqrestore(&phba->hbalock, flags);
10130 while (!list_empty(&completions)) {
10131 list_remove_head(&completions, buf_ptr,
10132 struct lpfc_dmabuf, list);
10133 lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
10137 /* Return any active mbox cmds */
10138 del_timer_sync(&psli->mbox_tmo);
10140 spin_lock_irqsave(&phba->pport->work_port_lock, flags);
10141 phba->pport->work_port_events &= ~WORKER_MBOX_TMO;
10142 spin_unlock_irqrestore(&phba->pport->work_port_lock, flags);
10148 * lpfc_sli_pcimem_bcopy - SLI memory copy function
10149 * @srcp: Source memory pointer.
10150 * @destp: Destination memory pointer.
10151 * @cnt: Number of words required to be copied.
10153 * This function is used for copying data between driver memory
10154 * and the SLI memory. This function also changes the endianness
10155 * of each word if native endianness is different from SLI
10156 * endianness. This function can be called with or without
10160 lpfc_sli_pcimem_bcopy(void *srcp, void *destp, uint32_t cnt)
10162 uint32_t *src = srcp;
10163 uint32_t *dest = destp;
10167 for (i = 0; i < (int)cnt; i += sizeof (uint32_t)) {
10169 ldata = le32_to_cpu(ldata);
10178 * lpfc_sli_bemem_bcopy - SLI memory copy function
10179 * @srcp: Source memory pointer.
10180 * @destp: Destination memory pointer.
10181 * @cnt: Number of words required to be copied.
10183 * This function is used for copying data between a data structure
10184 * with big endian representation to local endianness.
10185 * This function can be called with or without lock.
10188 lpfc_sli_bemem_bcopy(void *srcp, void *destp, uint32_t cnt)
10190 uint32_t *src = srcp;
10191 uint32_t *dest = destp;
10195 for (i = 0; i < (int)cnt; i += sizeof(uint32_t)) {
10197 ldata = be32_to_cpu(ldata);
10205 * lpfc_sli_ringpostbuf_put - Function to add a buffer to postbufq
10206 * @phba: Pointer to HBA context object.
10207 * @pring: Pointer to driver SLI ring object.
10208 * @mp: Pointer to driver buffer object.
10210 * This function is called with no lock held.
10211 * It always return zero after adding the buffer to the postbufq
10215 lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
10216 struct lpfc_dmabuf *mp)
10218 /* Stick struct lpfc_dmabuf at end of postbufq so driver can look it up
10220 spin_lock_irq(&phba->hbalock);
10221 list_add_tail(&mp->list, &pring->postbufq);
10222 pring->postbufq_cnt++;
10223 spin_unlock_irq(&phba->hbalock);
10228 * lpfc_sli_get_buffer_tag - allocates a tag for a CMD_QUE_XRI64_CX buffer
10229 * @phba: Pointer to HBA context object.
10231 * When HBQ is enabled, buffers are searched based on tags. This function
10232 * allocates a tag for buffer posted using CMD_QUE_XRI64_CX iocb. The
10233 * tag is bit wise or-ed with QUE_BUFTAG_BIT to make sure that the tag
10234 * does not conflict with tags of buffer posted for unsolicited events.
10235 * The function returns the allocated tag. The function is called with
10239 lpfc_sli_get_buffer_tag(struct lpfc_hba *phba)
10241 spin_lock_irq(&phba->hbalock);
10242 phba->buffer_tag_count++;
10244 * Always set the QUE_BUFTAG_BIT to distiguish between
10245 * a tag assigned by HBQ.
10247 phba->buffer_tag_count |= QUE_BUFTAG_BIT;
10248 spin_unlock_irq(&phba->hbalock);
10249 return phba->buffer_tag_count;
10253 * lpfc_sli_ring_taggedbuf_get - find HBQ buffer associated with given tag
10254 * @phba: Pointer to HBA context object.
10255 * @pring: Pointer to driver SLI ring object.
10256 * @tag: Buffer tag.
10258 * Buffers posted using CMD_QUE_XRI64_CX iocb are in pring->postbufq
10259 * list. After HBA DMA data to these buffers, CMD_IOCB_RET_XRI64_CX
10260 * iocb is posted to the response ring with the tag of the buffer.
10261 * This function searches the pring->postbufq list using the tag
10262 * to find buffer associated with CMD_IOCB_RET_XRI64_CX
10263 * iocb. If the buffer is found then lpfc_dmabuf object of the
10264 * buffer is returned to the caller else NULL is returned.
10265 * This function is called with no lock held.
10267 struct lpfc_dmabuf *
10268 lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
10271 struct lpfc_dmabuf *mp, *next_mp;
10272 struct list_head *slp = &pring->postbufq;
10274 /* Search postbufq, from the beginning, looking for a match on tag */
10275 spin_lock_irq(&phba->hbalock);
10276 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
10277 if (mp->buffer_tag == tag) {
10278 list_del_init(&mp->list);
10279 pring->postbufq_cnt--;
10280 spin_unlock_irq(&phba->hbalock);
10285 spin_unlock_irq(&phba->hbalock);
10286 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10287 "0402 Cannot find virtual addr for buffer tag on "
10288 "ring %d Data x%lx x%p x%p x%x\n",
10289 pring->ringno, (unsigned long) tag,
10290 slp->next, slp->prev, pring->postbufq_cnt);
10296 * lpfc_sli_ringpostbuf_get - search buffers for unsolicited CT and ELS events
10297 * @phba: Pointer to HBA context object.
10298 * @pring: Pointer to driver SLI ring object.
10299 * @phys: DMA address of the buffer.
10301 * This function searches the buffer list using the dma_address
10302 * of unsolicited event to find the driver's lpfc_dmabuf object
10303 * corresponding to the dma_address. The function returns the
10304 * lpfc_dmabuf object if a buffer is found else it returns NULL.
10305 * This function is called by the ct and els unsolicited event
10306 * handlers to get the buffer associated with the unsolicited
10309 * This function is called with no lock held.
10311 struct lpfc_dmabuf *
10312 lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
10315 struct lpfc_dmabuf *mp, *next_mp;
10316 struct list_head *slp = &pring->postbufq;
10318 /* Search postbufq, from the beginning, looking for a match on phys */
10319 spin_lock_irq(&phba->hbalock);
10320 list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) {
10321 if (mp->phys == phys) {
10322 list_del_init(&mp->list);
10323 pring->postbufq_cnt--;
10324 spin_unlock_irq(&phba->hbalock);
10329 spin_unlock_irq(&phba->hbalock);
10330 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
10331 "0410 Cannot find virtual addr for mapped buf on "
10332 "ring %d Data x%llx x%p x%p x%x\n",
10333 pring->ringno, (unsigned long long)phys,
10334 slp->next, slp->prev, pring->postbufq_cnt);
10339 * lpfc_sli_abort_els_cmpl - Completion handler for the els abort iocbs
10340 * @phba: Pointer to HBA context object.
10341 * @cmdiocb: Pointer to driver command iocb object.
10342 * @rspiocb: Pointer to driver response iocb object.
10344 * This function is the completion handler for the abort iocbs for
10345 * ELS commands. This function is called from the ELS ring event
10346 * handler with no lock held. This function frees memory resources
10347 * associated with the abort iocb.
10350 lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
10351 struct lpfc_iocbq *rspiocb)
10353 IOCB_t *irsp = &rspiocb->iocb;
10354 uint16_t abort_iotag, abort_context;
10355 struct lpfc_iocbq *abort_iocb = NULL;
10357 if (irsp->ulpStatus) {
10360 * Assume that the port already completed and returned, or
10361 * will return the iocb. Just Log the message.
10363 abort_context = cmdiocb->iocb.un.acxri.abortContextTag;
10364 abort_iotag = cmdiocb->iocb.un.acxri.abortIoTag;
10366 spin_lock_irq(&phba->hbalock);
10367 if (phba->sli_rev < LPFC_SLI_REV4) {
10368 if (abort_iotag != 0 &&
10369 abort_iotag <= phba->sli.last_iotag)
10371 phba->sli.iocbq_lookup[abort_iotag];
10373 /* For sli4 the abort_tag is the XRI,
10374 * so the abort routine puts the iotag of the iocb
10375 * being aborted in the context field of the abort
10378 abort_iocb = phba->sli.iocbq_lookup[abort_context];
10380 lpfc_printf_log(phba, KERN_WARNING, LOG_ELS | LOG_SLI,
10381 "0327 Cannot abort els iocb %p "
10382 "with tag %x context %x, abort status %x, "
10384 abort_iocb, abort_iotag, abort_context,
10385 irsp->ulpStatus, irsp->un.ulpWord[4]);
10387 spin_unlock_irq(&phba->hbalock);
10389 lpfc_sli_release_iocbq(phba, cmdiocb);
10394 * lpfc_ignore_els_cmpl - Completion handler for aborted ELS command
10395 * @phba: Pointer to HBA context object.
10396 * @cmdiocb: Pointer to driver command iocb object.
10397 * @rspiocb: Pointer to driver response iocb object.
10399 * The function is called from SLI ring event handler with no
10400 * lock held. This function is the completion handler for ELS commands
10401 * which are aborted. The function frees memory resources used for
10402 * the aborted ELS commands.
10405 lpfc_ignore_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
10406 struct lpfc_iocbq *rspiocb)
10408 IOCB_t *irsp = &rspiocb->iocb;
10410 /* ELS cmd tag <ulpIoTag> completes */
10411 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
10412 "0139 Ignoring ELS cmd tag x%x completion Data: "
10414 irsp->ulpIoTag, irsp->ulpStatus,
10415 irsp->un.ulpWord[4], irsp->ulpTimeout);
10416 if (cmdiocb->iocb.ulpCommand == CMD_GEN_REQUEST64_CR)
10417 lpfc_ct_free_iocb(phba, cmdiocb);
10419 lpfc_els_free_iocb(phba, cmdiocb);
10424 * lpfc_sli_abort_iotag_issue - Issue abort for a command iocb
10425 * @phba: Pointer to HBA context object.
10426 * @pring: Pointer to driver SLI ring object.
10427 * @cmdiocb: Pointer to driver command iocb object.
10429 * This function issues an abort iocb for the provided command iocb down to
10430 * the port. Other than the case the outstanding command iocb is an abort
10431 * request, this function issues abort out unconditionally. This function is
10432 * called with hbalock held. The function returns 0 when it fails due to
10433 * memory allocation failure or when the command iocb is an abort request.
10436 lpfc_sli_abort_iotag_issue(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
10437 struct lpfc_iocbq *cmdiocb)
10439 struct lpfc_vport *vport = cmdiocb->vport;
10440 struct lpfc_iocbq *abtsiocbp;
10441 IOCB_t *icmd = NULL;
10442 IOCB_t *iabt = NULL;
10444 unsigned long iflags;
10446 lockdep_assert_held(&phba->hbalock);
10449 * There are certain command types we don't want to abort. And we
10450 * don't want to abort commands that are already in the process of
10453 icmd = &cmdiocb->iocb;
10454 if (icmd->ulpCommand == CMD_ABORT_XRI_CN ||
10455 icmd->ulpCommand == CMD_CLOSE_XRI_CN ||
10456 (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0)
10459 /* issue ABTS for this IOCB based on iotag */
10460 abtsiocbp = __lpfc_sli_get_iocbq(phba);
10461 if (abtsiocbp == NULL)
10464 /* This signals the response to set the correct status
10465 * before calling the completion handler
10467 cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED;
10469 iabt = &abtsiocbp->iocb;
10470 iabt->un.acxri.abortType = ABORT_TYPE_ABTS;
10471 iabt->un.acxri.abortContextTag = icmd->ulpContext;
10472 if (phba->sli_rev == LPFC_SLI_REV4) {
10473 iabt->un.acxri.abortIoTag = cmdiocb->sli4_xritag;
10474 iabt->un.acxri.abortContextTag = cmdiocb->iotag;
10477 iabt->un.acxri.abortIoTag = icmd->ulpIoTag;
10479 iabt->ulpClass = icmd->ulpClass;
10481 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
10482 abtsiocbp->hba_wqidx = cmdiocb->hba_wqidx;
10483 if (cmdiocb->iocb_flag & LPFC_IO_FCP)
10484 abtsiocbp->iocb_flag |= LPFC_USE_FCPWQIDX;
10485 if (cmdiocb->iocb_flag & LPFC_IO_FOF)
10486 abtsiocbp->iocb_flag |= LPFC_IO_FOF;
10488 if (phba->link_state >= LPFC_LINK_UP)
10489 iabt->ulpCommand = CMD_ABORT_XRI_CN;
10491 iabt->ulpCommand = CMD_CLOSE_XRI_CN;
10493 abtsiocbp->iocb_cmpl = lpfc_sli_abort_els_cmpl;
10494 abtsiocbp->vport = vport;
10496 lpfc_printf_vlog(vport, KERN_INFO, LOG_SLI,
10497 "0339 Abort xri x%x, original iotag x%x, "
10498 "abort cmd iotag x%x\n",
10499 iabt->un.acxri.abortIoTag,
10500 iabt->un.acxri.abortContextTag,
10503 if (phba->sli_rev == LPFC_SLI_REV4) {
10504 pring = lpfc_sli4_calc_ring(phba, abtsiocbp);
10505 if (unlikely(pring == NULL))
10507 /* Note: both hbalock and ring_lock need to be set here */
10508 spin_lock_irqsave(&pring->ring_lock, iflags);
10509 retval = __lpfc_sli_issue_iocb(phba, pring->ringno,
10511 spin_unlock_irqrestore(&pring->ring_lock, iflags);
10513 retval = __lpfc_sli_issue_iocb(phba, pring->ringno,
10518 __lpfc_sli_release_iocbq(phba, abtsiocbp);
10521 * Caller to this routine should check for IOCB_ERROR
10522 * and handle it properly. This routine no longer removes
10523 * iocb off txcmplq and call compl in case of IOCB_ERROR.
10529 * lpfc_sli_issue_abort_iotag - Abort function for a command iocb
10530 * @phba: Pointer to HBA context object.
10531 * @pring: Pointer to driver SLI ring object.
10532 * @cmdiocb: Pointer to driver command iocb object.
10534 * This function issues an abort iocb for the provided command iocb. In case
10535 * of unloading, the abort iocb will not be issued to commands on the ELS
10536 * ring. Instead, the callback function shall be changed to those commands
10537 * so that nothing happens when them finishes. This function is called with
10538 * hbalock held. The function returns 0 when the command iocb is an abort
10542 lpfc_sli_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
10543 struct lpfc_iocbq *cmdiocb)
10545 struct lpfc_vport *vport = cmdiocb->vport;
10546 int retval = IOCB_ERROR;
10547 IOCB_t *icmd = NULL;
10549 lockdep_assert_held(&phba->hbalock);
10552 * There are certain command types we don't want to abort. And we
10553 * don't want to abort commands that are already in the process of
10556 icmd = &cmdiocb->iocb;
10557 if (icmd->ulpCommand == CMD_ABORT_XRI_CN ||
10558 icmd->ulpCommand == CMD_CLOSE_XRI_CN ||
10559 (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0)
10563 * If we're unloading, don't abort iocb on the ELS ring, but change
10564 * the callback so that nothing happens when it finishes.
10566 if ((vport->load_flag & FC_UNLOADING) &&
10567 (pring->ringno == LPFC_ELS_RING)) {
10568 if (cmdiocb->iocb_flag & LPFC_IO_FABRIC)
10569 cmdiocb->fabric_iocb_cmpl = lpfc_ignore_els_cmpl;
10571 cmdiocb->iocb_cmpl = lpfc_ignore_els_cmpl;
10572 goto abort_iotag_exit;
10575 /* Now, we try to issue the abort to the cmdiocb out */
10576 retval = lpfc_sli_abort_iotag_issue(phba, pring, cmdiocb);
10580 * Caller to this routine should check for IOCB_ERROR
10581 * and handle it properly. This routine no longer removes
10582 * iocb off txcmplq and call compl in case of IOCB_ERROR.
10588 * lpfc_sli4_abort_nvme_io - Issue abort for a command iocb
10589 * @phba: Pointer to HBA context object.
10590 * @pring: Pointer to driver SLI ring object.
10591 * @cmdiocb: Pointer to driver command iocb object.
10593 * This function issues an abort iocb for the provided command iocb down to
10594 * the port. Other than the case the outstanding command iocb is an abort
10595 * request, this function issues abort out unconditionally. This function is
10596 * called with hbalock held. The function returns 0 when it fails due to
10597 * memory allocation failure or when the command iocb is an abort request.
10600 lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
10601 struct lpfc_iocbq *cmdiocb)
10603 struct lpfc_vport *vport = cmdiocb->vport;
10604 struct lpfc_iocbq *abtsiocbp;
10605 union lpfc_wqe *abts_wqe;
10609 * There are certain command types we don't want to abort. And we
10610 * don't want to abort commands that are already in the process of
10613 if (cmdiocb->iocb.ulpCommand == CMD_ABORT_XRI_CN ||
10614 cmdiocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN ||
10615 (cmdiocb->iocb_flag & LPFC_DRIVER_ABORTED) != 0)
10618 /* issue ABTS for this io based on iotag */
10619 abtsiocbp = __lpfc_sli_get_iocbq(phba);
10620 if (abtsiocbp == NULL)
10623 /* This signals the response to set the correct status
10624 * before calling the completion handler
10626 cmdiocb->iocb_flag |= LPFC_DRIVER_ABORTED;
10628 /* Complete prepping the abort wqe and issue to the FW. */
10629 abts_wqe = &abtsiocbp->wqe;
10630 bf_set(abort_cmd_ia, &abts_wqe->abort_cmd, 0);
10631 bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG);
10633 /* Explicitly set reserved fields to zero.*/
10634 abts_wqe->abort_cmd.rsrvd4 = 0;
10635 abts_wqe->abort_cmd.rsrvd5 = 0;
10637 /* WQE Common - word 6. Context is XRI tag. Set 0. */
10638 bf_set(wqe_xri_tag, &abts_wqe->abort_cmd.wqe_com, 0);
10639 bf_set(wqe_ctxt_tag, &abts_wqe->abort_cmd.wqe_com, 0);
10642 bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0);
10643 bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX);
10644 bf_set(wqe_class, &abts_wqe->abort_cmd.wqe_com,
10645 cmdiocb->iocb.ulpClass);
10647 /* word 8 - tell the FW to abort the IO associated with this
10648 * outstanding exchange ID.
10650 abts_wqe->abort_cmd.wqe_com.abort_tag = cmdiocb->sli4_xritag;
10652 /* word 9 - this is the iotag for the abts_wqe completion. */
10653 bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com,
10657 bf_set(wqe_wqid, &abts_wqe->abort_cmd.wqe_com, cmdiocb->hba_wqidx);
10658 bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1);
10659 bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE);
10662 bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND);
10663 bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1);
10664 bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT);
10666 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
10667 abtsiocbp->iocb_flag |= LPFC_IO_NVME;
10668 abtsiocbp->vport = vport;
10669 abtsiocbp->wqe_cmpl = lpfc_nvme_abort_fcreq_cmpl;
10670 retval = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abtsiocbp);
10671 if (retval == IOCB_ERROR) {
10672 lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME,
10673 "6147 Failed abts issue_wqe with status x%x "
10675 retval, cmdiocb->sli4_xritag);
10676 lpfc_sli_release_iocbq(phba, abtsiocbp);
10680 lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME,
10681 "6148 Drv Abort NVME Request Issued for "
10682 "ox_id x%x on reqtag x%x\n",
10683 cmdiocb->sli4_xritag,
10690 * lpfc_sli_hba_iocb_abort - Abort all iocbs to an hba.
10691 * @phba: pointer to lpfc HBA data structure.
10693 * This routine will abort all pending and outstanding iocbs to an HBA.
10696 lpfc_sli_hba_iocb_abort(struct lpfc_hba *phba)
10698 struct lpfc_sli *psli = &phba->sli;
10699 struct lpfc_sli_ring *pring;
10700 struct lpfc_queue *qp = NULL;
10703 if (phba->sli_rev != LPFC_SLI_REV4) {
10704 for (i = 0; i < psli->num_rings; i++) {
10705 pring = &psli->sli3_ring[i];
10706 lpfc_sli_abort_iocb_ring(phba, pring);
10710 list_for_each_entry(qp, &phba->sli4_hba.lpfc_wq_list, wq_list) {
10714 lpfc_sli_abort_iocb_ring(phba, pring);
10719 * lpfc_sli_validate_fcp_iocb - find commands associated with a vport or LUN
10720 * @iocbq: Pointer to driver iocb object.
10721 * @vport: Pointer to driver virtual port object.
10722 * @tgt_id: SCSI ID of the target.
10723 * @lun_id: LUN ID of the scsi device.
10724 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST
10726 * This function acts as an iocb filter for functions which abort or count
10727 * all FCP iocbs pending on a lun/SCSI target/SCSI host. It will return
10728 * 0 if the filtering criteria is met for the given iocb and will return
10729 * 1 if the filtering criteria is not met.
10730 * If ctx_cmd == LPFC_CTX_LUN, the function returns 0 only if the
10731 * given iocb is for the SCSI device specified by vport, tgt_id and
10732 * lun_id parameter.
10733 * If ctx_cmd == LPFC_CTX_TGT, the function returns 0 only if the
10734 * given iocb is for the SCSI target specified by vport and tgt_id
10736 * If ctx_cmd == LPFC_CTX_HOST, the function returns 0 only if the
10737 * given iocb is for the SCSI host associated with the given vport.
10738 * This function is called with no locks held.
10741 lpfc_sli_validate_fcp_iocb(struct lpfc_iocbq *iocbq, struct lpfc_vport *vport,
10742 uint16_t tgt_id, uint64_t lun_id,
10743 lpfc_ctx_cmd ctx_cmd)
10745 struct lpfc_scsi_buf *lpfc_cmd;
10748 if (!(iocbq->iocb_flag & LPFC_IO_FCP))
10751 if (iocbq->vport != vport)
10754 lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
10756 if (lpfc_cmd->pCmd == NULL)
10761 if ((lpfc_cmd->rdata->pnode) &&
10762 (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id) &&
10763 (scsilun_to_int(&lpfc_cmd->fcp_cmnd->fcp_lun) == lun_id))
10767 if ((lpfc_cmd->rdata->pnode) &&
10768 (lpfc_cmd->rdata->pnode->nlp_sid == tgt_id))
10771 case LPFC_CTX_HOST:
10775 printk(KERN_ERR "%s: Unknown context cmd type, value %d\n",
10776 __func__, ctx_cmd);
10784 * lpfc_sli_sum_iocb - Function to count the number of FCP iocbs pending
10785 * @vport: Pointer to virtual port.
10786 * @tgt_id: SCSI ID of the target.
10787 * @lun_id: LUN ID of the scsi device.
10788 * @ctx_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
10790 * This function returns number of FCP commands pending for the vport.
10791 * When ctx_cmd == LPFC_CTX_LUN, the function returns number of FCP
10792 * commands pending on the vport associated with SCSI device specified
10793 * by tgt_id and lun_id parameters.
10794 * When ctx_cmd == LPFC_CTX_TGT, the function returns number of FCP
10795 * commands pending on the vport associated with SCSI target specified
10796 * by tgt_id parameter.
10797 * When ctx_cmd == LPFC_CTX_HOST, the function returns number of FCP
10798 * commands pending on the vport.
10799 * This function returns the number of iocbs which satisfy the filter.
10800 * This function is called without any lock held.
10803 lpfc_sli_sum_iocb(struct lpfc_vport *vport, uint16_t tgt_id, uint64_t lun_id,
10804 lpfc_ctx_cmd ctx_cmd)
10806 struct lpfc_hba *phba = vport->phba;
10807 struct lpfc_iocbq *iocbq;
10810 spin_lock_irq(&phba->hbalock);
10811 for (i = 1, sum = 0; i <= phba->sli.last_iotag; i++) {
10812 iocbq = phba->sli.iocbq_lookup[i];
10814 if (lpfc_sli_validate_fcp_iocb (iocbq, vport, tgt_id, lun_id,
10818 spin_unlock_irq(&phba->hbalock);
10824 * lpfc_sli_abort_fcp_cmpl - Completion handler function for aborted FCP IOCBs
10825 * @phba: Pointer to HBA context object
10826 * @cmdiocb: Pointer to command iocb object.
10827 * @rspiocb: Pointer to response iocb object.
10829 * This function is called when an aborted FCP iocb completes. This
10830 * function is called by the ring event handler with no lock held.
10831 * This function frees the iocb.
10834 lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
10835 struct lpfc_iocbq *rspiocb)
10837 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
10838 "3096 ABORT_XRI_CN completing on rpi x%x "
10839 "original iotag x%x, abort cmd iotag x%x "
10840 "status 0x%x, reason 0x%x\n",
10841 cmdiocb->iocb.un.acxri.abortContextTag,
10842 cmdiocb->iocb.un.acxri.abortIoTag,
10843 cmdiocb->iotag, rspiocb->iocb.ulpStatus,
10844 rspiocb->iocb.un.ulpWord[4]);
10845 lpfc_sli_release_iocbq(phba, cmdiocb);
10850 * lpfc_sli_abort_iocb - issue abort for all commands on a host/target/LUN
10851 * @vport: Pointer to virtual port.
10852 * @pring: Pointer to driver SLI ring object.
10853 * @tgt_id: SCSI ID of the target.
10854 * @lun_id: LUN ID of the scsi device.
10855 * @abort_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
10857 * This function sends an abort command for every SCSI command
10858 * associated with the given virtual port pending on the ring
10859 * filtered by lpfc_sli_validate_fcp_iocb function.
10860 * When abort_cmd == LPFC_CTX_LUN, the function sends abort only to the
10861 * FCP iocbs associated with lun specified by tgt_id and lun_id
10863 * When abort_cmd == LPFC_CTX_TGT, the function sends abort only to the
10864 * FCP iocbs associated with SCSI target specified by tgt_id parameter.
10865 * When abort_cmd == LPFC_CTX_HOST, the function sends abort to all
10866 * FCP iocbs associated with virtual port.
10867 * This function returns number of iocbs it failed to abort.
10868 * This function is called with no locks held.
10871 lpfc_sli_abort_iocb(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
10872 uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd abort_cmd)
10874 struct lpfc_hba *phba = vport->phba;
10875 struct lpfc_iocbq *iocbq;
10876 struct lpfc_iocbq *abtsiocb;
10877 IOCB_t *cmd = NULL;
10878 int errcnt = 0, ret_val = 0;
10881 for (i = 1; i <= phba->sli.last_iotag; i++) {
10882 iocbq = phba->sli.iocbq_lookup[i];
10884 if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id,
10889 * If the iocbq is already being aborted, don't take a second
10890 * action, but do count it.
10892 if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED)
10895 /* issue ABTS for this IOCB based on iotag */
10896 abtsiocb = lpfc_sli_get_iocbq(phba);
10897 if (abtsiocb == NULL) {
10902 /* indicate the IO is being aborted by the driver. */
10903 iocbq->iocb_flag |= LPFC_DRIVER_ABORTED;
10905 cmd = &iocbq->iocb;
10906 abtsiocb->iocb.un.acxri.abortType = ABORT_TYPE_ABTS;
10907 abtsiocb->iocb.un.acxri.abortContextTag = cmd->ulpContext;
10908 if (phba->sli_rev == LPFC_SLI_REV4)
10909 abtsiocb->iocb.un.acxri.abortIoTag = iocbq->sli4_xritag;
10911 abtsiocb->iocb.un.acxri.abortIoTag = cmd->ulpIoTag;
10912 abtsiocb->iocb.ulpLe = 1;
10913 abtsiocb->iocb.ulpClass = cmd->ulpClass;
10914 abtsiocb->vport = vport;
10916 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
10917 abtsiocb->hba_wqidx = iocbq->hba_wqidx;
10918 if (iocbq->iocb_flag & LPFC_IO_FCP)
10919 abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX;
10920 if (iocbq->iocb_flag & LPFC_IO_FOF)
10921 abtsiocb->iocb_flag |= LPFC_IO_FOF;
10923 if (lpfc_is_link_up(phba))
10924 abtsiocb->iocb.ulpCommand = CMD_ABORT_XRI_CN;
10926 abtsiocb->iocb.ulpCommand = CMD_CLOSE_XRI_CN;
10928 /* Setup callback routine and issue the command. */
10929 abtsiocb->iocb_cmpl = lpfc_sli_abort_fcp_cmpl;
10930 ret_val = lpfc_sli_issue_iocb(phba, pring->ringno,
10932 if (ret_val == IOCB_ERROR) {
10933 lpfc_sli_release_iocbq(phba, abtsiocb);
10943 * lpfc_sli_abort_taskmgmt - issue abort for all commands on a host/target/LUN
10944 * @vport: Pointer to virtual port.
10945 * @pring: Pointer to driver SLI ring object.
10946 * @tgt_id: SCSI ID of the target.
10947 * @lun_id: LUN ID of the scsi device.
10948 * @taskmgmt_cmd: LPFC_CTX_LUN/LPFC_CTX_TGT/LPFC_CTX_HOST.
10950 * This function sends an abort command for every SCSI command
10951 * associated with the given virtual port pending on the ring
10952 * filtered by lpfc_sli_validate_fcp_iocb function.
10953 * When taskmgmt_cmd == LPFC_CTX_LUN, the function sends abort only to the
10954 * FCP iocbs associated with lun specified by tgt_id and lun_id
10956 * When taskmgmt_cmd == LPFC_CTX_TGT, the function sends abort only to the
10957 * FCP iocbs associated with SCSI target specified by tgt_id parameter.
10958 * When taskmgmt_cmd == LPFC_CTX_HOST, the function sends abort to all
10959 * FCP iocbs associated with virtual port.
10960 * This function returns number of iocbs it aborted .
10961 * This function is called with no locks held right after a taskmgmt
10965 lpfc_sli_abort_taskmgmt(struct lpfc_vport *vport, struct lpfc_sli_ring *pring,
10966 uint16_t tgt_id, uint64_t lun_id, lpfc_ctx_cmd cmd)
10968 struct lpfc_hba *phba = vport->phba;
10969 struct lpfc_scsi_buf *lpfc_cmd;
10970 struct lpfc_iocbq *abtsiocbq;
10971 struct lpfc_nodelist *ndlp;
10972 struct lpfc_iocbq *iocbq;
10974 int sum, i, ret_val;
10975 unsigned long iflags;
10976 struct lpfc_sli_ring *pring_s4;
10978 spin_lock_irq(&phba->hbalock);
10980 /* all I/Os are in process of being flushed */
10981 if (phba->hba_flag & HBA_FCP_IOQ_FLUSH) {
10982 spin_unlock_irq(&phba->hbalock);
10987 for (i = 1; i <= phba->sli.last_iotag; i++) {
10988 iocbq = phba->sli.iocbq_lookup[i];
10990 if (lpfc_sli_validate_fcp_iocb(iocbq, vport, tgt_id, lun_id,
10995 * If the iocbq is already being aborted, don't take a second
10996 * action, but do count it.
10998 if (iocbq->iocb_flag & LPFC_DRIVER_ABORTED)
11001 /* issue ABTS for this IOCB based on iotag */
11002 abtsiocbq = __lpfc_sli_get_iocbq(phba);
11003 if (abtsiocbq == NULL)
11006 icmd = &iocbq->iocb;
11007 abtsiocbq->iocb.un.acxri.abortType = ABORT_TYPE_ABTS;
11008 abtsiocbq->iocb.un.acxri.abortContextTag = icmd->ulpContext;
11009 if (phba->sli_rev == LPFC_SLI_REV4)
11010 abtsiocbq->iocb.un.acxri.abortIoTag =
11011 iocbq->sli4_xritag;
11013 abtsiocbq->iocb.un.acxri.abortIoTag = icmd->ulpIoTag;
11014 abtsiocbq->iocb.ulpLe = 1;
11015 abtsiocbq->iocb.ulpClass = icmd->ulpClass;
11016 abtsiocbq->vport = vport;
11018 /* ABTS WQE must go to the same WQ as the WQE to be aborted */
11019 abtsiocbq->hba_wqidx = iocbq->hba_wqidx;
11020 if (iocbq->iocb_flag & LPFC_IO_FCP)
11021 abtsiocbq->iocb_flag |= LPFC_USE_FCPWQIDX;
11022 if (iocbq->iocb_flag & LPFC_IO_FOF)
11023 abtsiocbq->iocb_flag |= LPFC_IO_FOF;
11025 lpfc_cmd = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
11026 ndlp = lpfc_cmd->rdata->pnode;
11028 if (lpfc_is_link_up(phba) &&
11029 (ndlp && ndlp->nlp_state == NLP_STE_MAPPED_NODE))
11030 abtsiocbq->iocb.ulpCommand = CMD_ABORT_XRI_CN;
11032 abtsiocbq->iocb.ulpCommand = CMD_CLOSE_XRI_CN;
11034 /* Setup callback routine and issue the command. */
11035 abtsiocbq->iocb_cmpl = lpfc_sli_abort_fcp_cmpl;
11038 * Indicate the IO is being aborted by the driver and set
11039 * the caller's flag into the aborted IO.
11041 iocbq->iocb_flag |= LPFC_DRIVER_ABORTED;
11043 if (phba->sli_rev == LPFC_SLI_REV4) {
11044 pring_s4 = lpfc_sli4_calc_ring(phba, iocbq);
11045 if (pring_s4 == NULL)
11047 /* Note: both hbalock and ring_lock must be set here */
11048 spin_lock_irqsave(&pring_s4->ring_lock, iflags);
11049 ret_val = __lpfc_sli_issue_iocb(phba, pring_s4->ringno,
11051 spin_unlock_irqrestore(&pring_s4->ring_lock, iflags);
11053 ret_val = __lpfc_sli_issue_iocb(phba, pring->ringno,
11058 if (ret_val == IOCB_ERROR)
11059 __lpfc_sli_release_iocbq(phba, abtsiocbq);
11063 spin_unlock_irq(&phba->hbalock);
11068 * lpfc_sli_wake_iocb_wait - lpfc_sli_issue_iocb_wait's completion handler
11069 * @phba: Pointer to HBA context object.
11070 * @cmdiocbq: Pointer to command iocb.
11071 * @rspiocbq: Pointer to response iocb.
11073 * This function is the completion handler for iocbs issued using
11074 * lpfc_sli_issue_iocb_wait function. This function is called by the
11075 * ring event handler function without any lock held. This function
11076 * can be called from both worker thread context and interrupt
11077 * context. This function also can be called from other thread which
11078 * cleans up the SLI layer objects.
11079 * This function copy the contents of the response iocb to the
11080 * response iocb memory object provided by the caller of
11081 * lpfc_sli_issue_iocb_wait and then wakes up the thread which
11082 * sleeps for the iocb completion.
11085 lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
11086 struct lpfc_iocbq *cmdiocbq,
11087 struct lpfc_iocbq *rspiocbq)
11089 wait_queue_head_t *pdone_q;
11090 unsigned long iflags;
11091 struct lpfc_scsi_buf *lpfc_cmd;
11093 spin_lock_irqsave(&phba->hbalock, iflags);
11094 if (cmdiocbq->iocb_flag & LPFC_IO_WAKE_TMO) {
11097 * A time out has occurred for the iocb. If a time out
11098 * completion handler has been supplied, call it. Otherwise,
11099 * just free the iocbq.
11102 spin_unlock_irqrestore(&phba->hbalock, iflags);
11103 cmdiocbq->iocb_cmpl = cmdiocbq->wait_iocb_cmpl;
11104 cmdiocbq->wait_iocb_cmpl = NULL;
11105 if (cmdiocbq->iocb_cmpl)
11106 (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, NULL);
11108 lpfc_sli_release_iocbq(phba, cmdiocbq);
11112 cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
11113 if (cmdiocbq->context2 && rspiocbq)
11114 memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
11115 &rspiocbq->iocb, sizeof(IOCB_t));
11117 /* Set the exchange busy flag for task management commands */
11118 if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) &&
11119 !(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) {
11120 lpfc_cmd = container_of(cmdiocbq, struct lpfc_scsi_buf,
11122 lpfc_cmd->exch_busy = rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY;
11125 pdone_q = cmdiocbq->context_un.wait_queue;
11128 spin_unlock_irqrestore(&phba->hbalock, iflags);
11133 * lpfc_chk_iocb_flg - Test IOCB flag with lock held.
11134 * @phba: Pointer to HBA context object..
11135 * @piocbq: Pointer to command iocb.
11136 * @flag: Flag to test.
11138 * This routine grabs the hbalock and then test the iocb_flag to
11139 * see if the passed in flag is set.
11141 * 1 if flag is set.
11142 * 0 if flag is not set.
11145 lpfc_chk_iocb_flg(struct lpfc_hba *phba,
11146 struct lpfc_iocbq *piocbq, uint32_t flag)
11148 unsigned long iflags;
11151 spin_lock_irqsave(&phba->hbalock, iflags);
11152 ret = piocbq->iocb_flag & flag;
11153 spin_unlock_irqrestore(&phba->hbalock, iflags);
11159 * lpfc_sli_issue_iocb_wait - Synchronous function to issue iocb commands
11160 * @phba: Pointer to HBA context object..
11161 * @pring: Pointer to sli ring.
11162 * @piocb: Pointer to command iocb.
11163 * @prspiocbq: Pointer to response iocb.
11164 * @timeout: Timeout in number of seconds.
11166 * This function issues the iocb to firmware and waits for the
11167 * iocb to complete. The iocb_cmpl field of the shall be used
11168 * to handle iocbs which time out. If the field is NULL, the
11169 * function shall free the iocbq structure. If more clean up is
11170 * needed, the caller is expected to provide a completion function
11171 * that will provide the needed clean up. If the iocb command is
11172 * not completed within timeout seconds, the function will either
11173 * free the iocbq structure (if iocb_cmpl == NULL) or execute the
11174 * completion function set in the iocb_cmpl field and then return
11175 * a status of IOCB_TIMEDOUT. The caller should not free the iocb
11176 * resources if this function returns IOCB_TIMEDOUT.
11177 * The function waits for the iocb completion using an
11178 * non-interruptible wait.
11179 * This function will sleep while waiting for iocb completion.
11180 * So, this function should not be called from any context which
11181 * does not allow sleeping. Due to the same reason, this function
11182 * cannot be called with interrupt disabled.
11183 * This function assumes that the iocb completions occur while
11184 * this function sleep. So, this function cannot be called from
11185 * the thread which process iocb completion for this ring.
11186 * This function clears the iocb_flag of the iocb object before
11187 * issuing the iocb and the iocb completion handler sets this
11188 * flag and wakes this thread when the iocb completes.
11189 * The contents of the response iocb will be copied to prspiocbq
11190 * by the completion handler when the command completes.
11191 * This function returns IOCB_SUCCESS when success.
11192 * This function is called with no lock held.
11195 lpfc_sli_issue_iocb_wait(struct lpfc_hba *phba,
11196 uint32_t ring_number,
11197 struct lpfc_iocbq *piocb,
11198 struct lpfc_iocbq *prspiocbq,
11201 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q);
11202 long timeleft, timeout_req = 0;
11203 int retval = IOCB_SUCCESS;
11205 struct lpfc_iocbq *iocb;
11207 int txcmplq_cnt = 0;
11208 struct lpfc_sli_ring *pring;
11209 unsigned long iflags;
11210 bool iocb_completed = true;
11212 if (phba->sli_rev >= LPFC_SLI_REV4)
11213 pring = lpfc_sli4_calc_ring(phba, piocb);
11215 pring = &phba->sli.sli3_ring[ring_number];
11217 * If the caller has provided a response iocbq buffer, then context2
11218 * is NULL or its an error.
11221 if (piocb->context2)
11223 piocb->context2 = prspiocbq;
11226 piocb->wait_iocb_cmpl = piocb->iocb_cmpl;
11227 piocb->iocb_cmpl = lpfc_sli_wake_iocb_wait;
11228 piocb->context_un.wait_queue = &done_q;
11229 piocb->iocb_flag &= ~(LPFC_IO_WAKE | LPFC_IO_WAKE_TMO);
11231 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
11232 if (lpfc_readl(phba->HCregaddr, &creg_val))
11234 creg_val |= (HC_R0INT_ENA << LPFC_FCP_RING);
11235 writel(creg_val, phba->HCregaddr);
11236 readl(phba->HCregaddr); /* flush */
11239 retval = lpfc_sli_issue_iocb(phba, ring_number, piocb,
11240 SLI_IOCB_RET_IOCB);
11241 if (retval == IOCB_SUCCESS) {
11242 timeout_req = msecs_to_jiffies(timeout * 1000);
11243 timeleft = wait_event_timeout(done_q,
11244 lpfc_chk_iocb_flg(phba, piocb, LPFC_IO_WAKE),
11246 spin_lock_irqsave(&phba->hbalock, iflags);
11247 if (!(piocb->iocb_flag & LPFC_IO_WAKE)) {
11250 * IOCB timed out. Inform the wake iocb wait
11251 * completion function and set local status
11254 iocb_completed = false;
11255 piocb->iocb_flag |= LPFC_IO_WAKE_TMO;
11257 spin_unlock_irqrestore(&phba->hbalock, iflags);
11258 if (iocb_completed) {
11259 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
11260 "0331 IOCB wake signaled\n");
11261 /* Note: we are not indicating if the IOCB has a success
11262 * status or not - that's for the caller to check.
11263 * IOCB_SUCCESS means just that the command was sent and
11264 * completed. Not that it completed successfully.
11266 } else if (timeleft == 0) {
11267 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
11268 "0338 IOCB wait timeout error - no "
11269 "wake response Data x%x\n", timeout);
11270 retval = IOCB_TIMEDOUT;
11272 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
11273 "0330 IOCB wake NOT set, "
11275 timeout, (timeleft / jiffies));
11276 retval = IOCB_TIMEDOUT;
11278 } else if (retval == IOCB_BUSY) {
11279 if (phba->cfg_log_verbose & LOG_SLI) {
11280 list_for_each_entry(iocb, &pring->txq, list) {
11283 list_for_each_entry(iocb, &pring->txcmplq, list) {
11286 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
11287 "2818 Max IOCBs %d txq cnt %d txcmplq cnt %d\n",
11288 phba->iocb_cnt, txq_cnt, txcmplq_cnt);
11292 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
11293 "0332 IOCB wait issue failed, Data x%x\n",
11295 retval = IOCB_ERROR;
11298 if (phba->cfg_poll & DISABLE_FCP_RING_INT) {
11299 if (lpfc_readl(phba->HCregaddr, &creg_val))
11301 creg_val &= ~(HC_R0INT_ENA << LPFC_FCP_RING);
11302 writel(creg_val, phba->HCregaddr);
11303 readl(phba->HCregaddr); /* flush */
11307 piocb->context2 = NULL;
11309 piocb->context_un.wait_queue = NULL;
11310 piocb->iocb_cmpl = NULL;
11315 * lpfc_sli_issue_mbox_wait - Synchronous function to issue mailbox
11316 * @phba: Pointer to HBA context object.
11317 * @pmboxq: Pointer to driver mailbox object.
11318 * @timeout: Timeout in number of seconds.
11320 * This function issues the mailbox to firmware and waits for the
11321 * mailbox command to complete. If the mailbox command is not
11322 * completed within timeout seconds, it returns MBX_TIMEOUT.
11323 * The function waits for the mailbox completion using an
11324 * interruptible wait. If the thread is woken up due to a
11325 * signal, MBX_TIMEOUT error is returned to the caller. Caller
11326 * should not free the mailbox resources, if this function returns
11328 * This function will sleep while waiting for mailbox completion.
11329 * So, this function should not be called from any context which
11330 * does not allow sleeping. Due to the same reason, this function
11331 * cannot be called with interrupt disabled.
11332 * This function assumes that the mailbox completion occurs while
11333 * this function sleep. So, this function cannot be called from
11334 * the worker thread which processes mailbox completion.
11335 * This function is called in the context of HBA management
11337 * This function returns MBX_SUCCESS when successful.
11338 * This function is called with no lock held.
11341 lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
11344 DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q);
11345 MAILBOX_t *mb = NULL;
11347 unsigned long flag;
11349 /* The caller might set context1 for extended buffer */
11350 if (pmboxq->context1)
11351 mb = (MAILBOX_t *)pmboxq->context1;
11353 pmboxq->mbox_flag &= ~LPFC_MBX_WAKE;
11354 /* setup wake call as IOCB callback */
11355 pmboxq->mbox_cmpl = lpfc_sli_wake_mbox_wait;
11356 /* setup context field to pass wait_queue pointer to wake function */
11357 pmboxq->context1 = &done_q;
11359 /* now issue the command */
11360 retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
11361 if (retval == MBX_BUSY || retval == MBX_SUCCESS) {
11362 wait_event_interruptible_timeout(done_q,
11363 pmboxq->mbox_flag & LPFC_MBX_WAKE,
11364 msecs_to_jiffies(timeout * 1000));
11366 spin_lock_irqsave(&phba->hbalock, flag);
11367 /* restore the possible extended buffer for free resource */
11368 pmboxq->context1 = (uint8_t *)mb;
11370 * if LPFC_MBX_WAKE flag is set the mailbox is completed
11371 * else do not free the resources.
11373 if (pmboxq->mbox_flag & LPFC_MBX_WAKE) {
11374 retval = MBX_SUCCESS;
11376 retval = MBX_TIMEOUT;
11377 pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
11379 spin_unlock_irqrestore(&phba->hbalock, flag);
11381 /* restore the possible extended buffer for free resource */
11382 pmboxq->context1 = (uint8_t *)mb;
11389 * lpfc_sli_mbox_sys_shutdown - shutdown mailbox command sub-system
11390 * @phba: Pointer to HBA context.
11392 * This function is called to shutdown the driver's mailbox sub-system.
11393 * It first marks the mailbox sub-system is in a block state to prevent
11394 * the asynchronous mailbox command from issued off the pending mailbox
11395 * command queue. If the mailbox command sub-system shutdown is due to
11396 * HBA error conditions such as EEH or ERATT, this routine shall invoke
11397 * the mailbox sub-system flush routine to forcefully bring down the
11398 * mailbox sub-system. Otherwise, if it is due to normal condition (such
11399 * as with offline or HBA function reset), this routine will wait for the
11400 * outstanding mailbox command to complete before invoking the mailbox
11401 * sub-system flush routine to gracefully bring down mailbox sub-system.
11404 lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba, int mbx_action)
11406 struct lpfc_sli *psli = &phba->sli;
11407 unsigned long timeout;
11409 if (mbx_action == LPFC_MBX_NO_WAIT) {
11410 /* delay 100ms for port state */
11412 lpfc_sli_mbox_sys_flush(phba);
11415 timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies;
11417 spin_lock_irq(&phba->hbalock);
11418 psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK;
11420 if (psli->sli_flag & LPFC_SLI_ACTIVE) {
11421 /* Determine how long we might wait for the active mailbox
11422 * command to be gracefully completed by firmware.
11424 if (phba->sli.mbox_active)
11425 timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba,
11426 phba->sli.mbox_active) *
11428 spin_unlock_irq(&phba->hbalock);
11430 while (phba->sli.mbox_active) {
11431 /* Check active mailbox complete status every 2ms */
11433 if (time_after(jiffies, timeout))
11434 /* Timeout, let the mailbox flush routine to
11435 * forcefully release active mailbox command
11440 spin_unlock_irq(&phba->hbalock);
11442 lpfc_sli_mbox_sys_flush(phba);
11446 * lpfc_sli_eratt_read - read sli-3 error attention events
11447 * @phba: Pointer to HBA context.
11449 * This function is called to read the SLI3 device error attention registers
11450 * for possible error attention events. The caller must hold the hostlock
11451 * with spin_lock_irq().
11453 * This function returns 1 when there is Error Attention in the Host Attention
11454 * Register and returns 0 otherwise.
11457 lpfc_sli_eratt_read(struct lpfc_hba *phba)
11461 /* Read chip Host Attention (HA) register */
11462 if (lpfc_readl(phba->HAregaddr, &ha_copy))
11465 if (ha_copy & HA_ERATT) {
11466 /* Read host status register to retrieve error event */
11467 if (lpfc_sli_read_hs(phba))
11470 /* Check if there is a deferred error condition is active */
11471 if ((HS_FFER1 & phba->work_hs) &&
11472 ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 |
11473 HS_FFER6 | HS_FFER7 | HS_FFER8) & phba->work_hs)) {
11474 phba->hba_flag |= DEFER_ERATT;
11475 /* Clear all interrupt enable conditions */
11476 writel(0, phba->HCregaddr);
11477 readl(phba->HCregaddr);
11480 /* Set the driver HA work bitmap */
11481 phba->work_ha |= HA_ERATT;
11482 /* Indicate polling handles this ERATT */
11483 phba->hba_flag |= HBA_ERATT_HANDLED;
11489 /* Set the driver HS work bitmap */
11490 phba->work_hs |= UNPLUG_ERR;
11491 /* Set the driver HA work bitmap */
11492 phba->work_ha |= HA_ERATT;
11493 /* Indicate polling handles this ERATT */
11494 phba->hba_flag |= HBA_ERATT_HANDLED;
11499 * lpfc_sli4_eratt_read - read sli-4 error attention events
11500 * @phba: Pointer to HBA context.
11502 * This function is called to read the SLI4 device error attention registers
11503 * for possible error attention events. The caller must hold the hostlock
11504 * with spin_lock_irq().
11506 * This function returns 1 when there is Error Attention in the Host Attention
11507 * Register and returns 0 otherwise.
11510 lpfc_sli4_eratt_read(struct lpfc_hba *phba)
11512 uint32_t uerr_sta_hi, uerr_sta_lo;
11513 uint32_t if_type, portsmphr;
11514 struct lpfc_register portstat_reg;
11517 * For now, use the SLI4 device internal unrecoverable error
11518 * registers for error attention. This can be changed later.
11520 if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
11522 case LPFC_SLI_INTF_IF_TYPE_0:
11523 if (lpfc_readl(phba->sli4_hba.u.if_type0.UERRLOregaddr,
11525 lpfc_readl(phba->sli4_hba.u.if_type0.UERRHIregaddr,
11527 phba->work_hs |= UNPLUG_ERR;
11528 phba->work_ha |= HA_ERATT;
11529 phba->hba_flag |= HBA_ERATT_HANDLED;
11532 if ((~phba->sli4_hba.ue_mask_lo & uerr_sta_lo) ||
11533 (~phba->sli4_hba.ue_mask_hi & uerr_sta_hi)) {
11534 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11535 "1423 HBA Unrecoverable error: "
11536 "uerr_lo_reg=0x%x, uerr_hi_reg=0x%x, "
11537 "ue_mask_lo_reg=0x%x, "
11538 "ue_mask_hi_reg=0x%x\n",
11539 uerr_sta_lo, uerr_sta_hi,
11540 phba->sli4_hba.ue_mask_lo,
11541 phba->sli4_hba.ue_mask_hi);
11542 phba->work_status[0] = uerr_sta_lo;
11543 phba->work_status[1] = uerr_sta_hi;
11544 phba->work_ha |= HA_ERATT;
11545 phba->hba_flag |= HBA_ERATT_HANDLED;
11549 case LPFC_SLI_INTF_IF_TYPE_2:
11550 if (lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr,
11551 &portstat_reg.word0) ||
11552 lpfc_readl(phba->sli4_hba.PSMPHRregaddr,
11554 phba->work_hs |= UNPLUG_ERR;
11555 phba->work_ha |= HA_ERATT;
11556 phba->hba_flag |= HBA_ERATT_HANDLED;
11559 if (bf_get(lpfc_sliport_status_err, &portstat_reg)) {
11560 phba->work_status[0] =
11561 readl(phba->sli4_hba.u.if_type2.ERR1regaddr);
11562 phba->work_status[1] =
11563 readl(phba->sli4_hba.u.if_type2.ERR2regaddr);
11564 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11565 "2885 Port Status Event: "
11566 "port status reg 0x%x, "
11567 "port smphr reg 0x%x, "
11568 "error 1=0x%x, error 2=0x%x\n",
11569 portstat_reg.word0,
11571 phba->work_status[0],
11572 phba->work_status[1]);
11573 phba->work_ha |= HA_ERATT;
11574 phba->hba_flag |= HBA_ERATT_HANDLED;
11578 case LPFC_SLI_INTF_IF_TYPE_1:
11580 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11581 "2886 HBA Error Attention on unsupported "
11582 "if type %d.", if_type);
11590 * lpfc_sli_check_eratt - check error attention events
11591 * @phba: Pointer to HBA context.
11593 * This function is called from timer soft interrupt context to check HBA's
11594 * error attention register bit for error attention events.
11596 * This function returns 1 when there is Error Attention in the Host Attention
11597 * Register and returns 0 otherwise.
11600 lpfc_sli_check_eratt(struct lpfc_hba *phba)
11604 /* If somebody is waiting to handle an eratt, don't process it
11605 * here. The brdkill function will do this.
11607 if (phba->link_flag & LS_IGNORE_ERATT)
11610 /* Check if interrupt handler handles this ERATT */
11611 spin_lock_irq(&phba->hbalock);
11612 if (phba->hba_flag & HBA_ERATT_HANDLED) {
11613 /* Interrupt handler has handled ERATT */
11614 spin_unlock_irq(&phba->hbalock);
11619 * If there is deferred error attention, do not check for error
11622 if (unlikely(phba->hba_flag & DEFER_ERATT)) {
11623 spin_unlock_irq(&phba->hbalock);
11627 /* If PCI channel is offline, don't process it */
11628 if (unlikely(pci_channel_offline(phba->pcidev))) {
11629 spin_unlock_irq(&phba->hbalock);
11633 switch (phba->sli_rev) {
11634 case LPFC_SLI_REV2:
11635 case LPFC_SLI_REV3:
11636 /* Read chip Host Attention (HA) register */
11637 ha_copy = lpfc_sli_eratt_read(phba);
11639 case LPFC_SLI_REV4:
11640 /* Read device Uncoverable Error (UERR) registers */
11641 ha_copy = lpfc_sli4_eratt_read(phba);
11644 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
11645 "0299 Invalid SLI revision (%d)\n",
11650 spin_unlock_irq(&phba->hbalock);
11656 * lpfc_intr_state_check - Check device state for interrupt handling
11657 * @phba: Pointer to HBA context.
11659 * This inline routine checks whether a device or its PCI slot is in a state
11660 * that the interrupt should be handled.
11662 * This function returns 0 if the device or the PCI slot is in a state that
11663 * interrupt should be handled, otherwise -EIO.
11666 lpfc_intr_state_check(struct lpfc_hba *phba)
11668 /* If the pci channel is offline, ignore all the interrupts */
11669 if (unlikely(pci_channel_offline(phba->pcidev)))
11672 /* Update device level interrupt statistics */
11673 phba->sli.slistat.sli_intr++;
11675 /* Ignore all interrupts during initialization. */
11676 if (unlikely(phba->link_state < LPFC_LINK_DOWN))
11683 * lpfc_sli_sp_intr_handler - Slow-path interrupt handler to SLI-3 device
11684 * @irq: Interrupt number.
11685 * @dev_id: The device context pointer.
11687 * This function is directly called from the PCI layer as an interrupt
11688 * service routine when device with SLI-3 interface spec is enabled with
11689 * MSI-X multi-message interrupt mode and there are slow-path events in
11690 * the HBA. However, when the device is enabled with either MSI or Pin-IRQ
11691 * interrupt mode, this function is called as part of the device-level
11692 * interrupt handler. When the PCI slot is in error recovery or the HBA
11693 * is undergoing initialization, the interrupt handler will not process
11694 * the interrupt. The link attention and ELS ring attention events are
11695 * handled by the worker thread. The interrupt handler signals the worker
11696 * thread and returns for these events. This function is called without
11697 * any lock held. It gets the hbalock to access and update SLI data
11700 * This function returns IRQ_HANDLED when interrupt is handled else it
11701 * returns IRQ_NONE.
11704 lpfc_sli_sp_intr_handler(int irq, void *dev_id)
11706 struct lpfc_hba *phba;
11707 uint32_t ha_copy, hc_copy;
11708 uint32_t work_ha_copy;
11709 unsigned long status;
11710 unsigned long iflag;
11713 MAILBOX_t *mbox, *pmbox;
11714 struct lpfc_vport *vport;
11715 struct lpfc_nodelist *ndlp;
11716 struct lpfc_dmabuf *mp;
11721 * Get the driver's phba structure from the dev_id and
11722 * assume the HBA is not interrupting.
11724 phba = (struct lpfc_hba *)dev_id;
11726 if (unlikely(!phba))
11730 * Stuff needs to be attented to when this function is invoked as an
11731 * individual interrupt handler in MSI-X multi-message interrupt mode
11733 if (phba->intr_type == MSIX) {
11734 /* Check device state for handling interrupt */
11735 if (lpfc_intr_state_check(phba))
11737 /* Need to read HA REG for slow-path events */
11738 spin_lock_irqsave(&phba->hbalock, iflag);
11739 if (lpfc_readl(phba->HAregaddr, &ha_copy))
11741 /* If somebody is waiting to handle an eratt don't process it
11742 * here. The brdkill function will do this.
11744 if (phba->link_flag & LS_IGNORE_ERATT)
11745 ha_copy &= ~HA_ERATT;
11746 /* Check the need for handling ERATT in interrupt handler */
11747 if (ha_copy & HA_ERATT) {
11748 if (phba->hba_flag & HBA_ERATT_HANDLED)
11749 /* ERATT polling has handled ERATT */
11750 ha_copy &= ~HA_ERATT;
11752 /* Indicate interrupt handler handles ERATT */
11753 phba->hba_flag |= HBA_ERATT_HANDLED;
11757 * If there is deferred error attention, do not check for any
11760 if (unlikely(phba->hba_flag & DEFER_ERATT)) {
11761 spin_unlock_irqrestore(&phba->hbalock, iflag);
11765 /* Clear up only attention source related to slow-path */
11766 if (lpfc_readl(phba->HCregaddr, &hc_copy))
11769 writel(hc_copy & ~(HC_MBINT_ENA | HC_R2INT_ENA |
11770 HC_LAINT_ENA | HC_ERINT_ENA),
11772 writel((ha_copy & (HA_MBATT | HA_R2_CLR_MSK)),
11774 writel(hc_copy, phba->HCregaddr);
11775 readl(phba->HAregaddr); /* flush */
11776 spin_unlock_irqrestore(&phba->hbalock, iflag);
11778 ha_copy = phba->ha_copy;
11780 work_ha_copy = ha_copy & phba->work_ha_mask;
11782 if (work_ha_copy) {
11783 if (work_ha_copy & HA_LATT) {
11784 if (phba->sli.sli_flag & LPFC_PROCESS_LA) {
11786 * Turn off Link Attention interrupts
11787 * until CLEAR_LA done
11789 spin_lock_irqsave(&phba->hbalock, iflag);
11790 phba->sli.sli_flag &= ~LPFC_PROCESS_LA;
11791 if (lpfc_readl(phba->HCregaddr, &control))
11793 control &= ~HC_LAINT_ENA;
11794 writel(control, phba->HCregaddr);
11795 readl(phba->HCregaddr); /* flush */
11796 spin_unlock_irqrestore(&phba->hbalock, iflag);
11799 work_ha_copy &= ~HA_LATT;
11802 if (work_ha_copy & ~(HA_ERATT | HA_MBATT | HA_LATT)) {
11804 * Turn off Slow Rings interrupts, LPFC_ELS_RING is
11805 * the only slow ring.
11807 status = (work_ha_copy &
11808 (HA_RXMASK << (4*LPFC_ELS_RING)));
11809 status >>= (4*LPFC_ELS_RING);
11810 if (status & HA_RXMASK) {
11811 spin_lock_irqsave(&phba->hbalock, iflag);
11812 if (lpfc_readl(phba->HCregaddr, &control))
11815 lpfc_debugfs_slow_ring_trc(phba,
11816 "ISR slow ring: ctl:x%x stat:x%x isrcnt:x%x",
11818 (uint32_t)phba->sli.slistat.sli_intr);
11820 if (control & (HC_R0INT_ENA << LPFC_ELS_RING)) {
11821 lpfc_debugfs_slow_ring_trc(phba,
11822 "ISR Disable ring:"
11823 "pwork:x%x hawork:x%x wait:x%x",
11824 phba->work_ha, work_ha_copy,
11825 (uint32_t)((unsigned long)
11826 &phba->work_waitq));
11829 ~(HC_R0INT_ENA << LPFC_ELS_RING);
11830 writel(control, phba->HCregaddr);
11831 readl(phba->HCregaddr); /* flush */
11834 lpfc_debugfs_slow_ring_trc(phba,
11835 "ISR slow ring: pwork:"
11836 "x%x hawork:x%x wait:x%x",
11837 phba->work_ha, work_ha_copy,
11838 (uint32_t)((unsigned long)
11839 &phba->work_waitq));
11841 spin_unlock_irqrestore(&phba->hbalock, iflag);
11844 spin_lock_irqsave(&phba->hbalock, iflag);
11845 if (work_ha_copy & HA_ERATT) {
11846 if (lpfc_sli_read_hs(phba))
11849 * Check if there is a deferred error condition
11852 if ((HS_FFER1 & phba->work_hs) &&
11853 ((HS_FFER2 | HS_FFER3 | HS_FFER4 | HS_FFER5 |
11854 HS_FFER6 | HS_FFER7 | HS_FFER8) &
11856 phba->hba_flag |= DEFER_ERATT;
11857 /* Clear all interrupt enable conditions */
11858 writel(0, phba->HCregaddr);
11859 readl(phba->HCregaddr);
11863 if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active)) {
11864 pmb = phba->sli.mbox_active;
11865 pmbox = &pmb->u.mb;
11867 vport = pmb->vport;
11869 /* First check out the status word */
11870 lpfc_sli_pcimem_bcopy(mbox, pmbox, sizeof(uint32_t));
11871 if (pmbox->mbxOwner != OWN_HOST) {
11872 spin_unlock_irqrestore(&phba->hbalock, iflag);
11874 * Stray Mailbox Interrupt, mbxCommand <cmd>
11875 * mbxStatus <status>
11877 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX |
11879 "(%d):0304 Stray Mailbox "
11880 "Interrupt mbxCommand x%x "
11882 (vport ? vport->vpi : 0),
11885 /* clear mailbox attention bit */
11886 work_ha_copy &= ~HA_MBATT;
11888 phba->sli.mbox_active = NULL;
11889 spin_unlock_irqrestore(&phba->hbalock, iflag);
11890 phba->last_completion_time = jiffies;
11891 del_timer(&phba->sli.mbox_tmo);
11892 if (pmb->mbox_cmpl) {
11893 lpfc_sli_pcimem_bcopy(mbox, pmbox,
11895 if (pmb->out_ext_byte_len &&
11897 lpfc_sli_pcimem_bcopy(
11900 pmb->out_ext_byte_len);
11902 if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) {
11903 pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG;
11905 lpfc_debugfs_disc_trc(vport,
11906 LPFC_DISC_TRC_MBOX_VPORT,
11907 "MBOX dflt rpi: : "
11908 "status:x%x rpi:x%x",
11909 (uint32_t)pmbox->mbxStatus,
11910 pmbox->un.varWords[0], 0);
11912 if (!pmbox->mbxStatus) {
11913 mp = (struct lpfc_dmabuf *)
11915 ndlp = (struct lpfc_nodelist *)
11918 /* Reg_LOGIN of dflt RPI was
11919 * successful. new lets get
11920 * rid of the RPI using the
11921 * same mbox buffer.
11923 lpfc_unreg_login(phba,
11925 pmbox->un.varWords[0],
11928 lpfc_mbx_cmpl_dflt_rpi;
11929 pmb->context1 = mp;
11930 pmb->context2 = ndlp;
11931 pmb->vport = vport;
11932 rc = lpfc_sli_issue_mbox(phba,
11935 if (rc != MBX_BUSY)
11936 lpfc_printf_log(phba,
11938 LOG_MBOX | LOG_SLI,
11939 "0350 rc should have"
11940 "been MBX_BUSY\n");
11941 if (rc != MBX_NOT_FINISHED)
11942 goto send_current_mbox;
11946 &phba->pport->work_port_lock,
11948 phba->pport->work_port_events &=
11950 spin_unlock_irqrestore(
11951 &phba->pport->work_port_lock,
11953 lpfc_mbox_cmpl_put(phba, pmb);
11956 spin_unlock_irqrestore(&phba->hbalock, iflag);
11958 if ((work_ha_copy & HA_MBATT) &&
11959 (phba->sli.mbox_active == NULL)) {
11961 /* Process next mailbox command if there is one */
11963 rc = lpfc_sli_issue_mbox(phba, NULL,
11965 } while (rc == MBX_NOT_FINISHED);
11966 if (rc != MBX_SUCCESS)
11967 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX |
11968 LOG_SLI, "0349 rc should be "
11972 spin_lock_irqsave(&phba->hbalock, iflag);
11973 phba->work_ha |= work_ha_copy;
11974 spin_unlock_irqrestore(&phba->hbalock, iflag);
11975 lpfc_worker_wake_up(phba);
11977 return IRQ_HANDLED;
11979 spin_unlock_irqrestore(&phba->hbalock, iflag);
11980 return IRQ_HANDLED;
11982 } /* lpfc_sli_sp_intr_handler */
11985 * lpfc_sli_fp_intr_handler - Fast-path interrupt handler to SLI-3 device.
11986 * @irq: Interrupt number.
11987 * @dev_id: The device context pointer.
11989 * This function is directly called from the PCI layer as an interrupt
11990 * service routine when device with SLI-3 interface spec is enabled with
11991 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
11992 * ring event in the HBA. However, when the device is enabled with either
11993 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
11994 * device-level interrupt handler. When the PCI slot is in error recovery
11995 * or the HBA is undergoing initialization, the interrupt handler will not
11996 * process the interrupt. The SCSI FCP fast-path ring event are handled in
11997 * the intrrupt context. This function is called without any lock held.
11998 * It gets the hbalock to access and update SLI data structures.
12000 * This function returns IRQ_HANDLED when interrupt is handled else it
12001 * returns IRQ_NONE.
12004 lpfc_sli_fp_intr_handler(int irq, void *dev_id)
12006 struct lpfc_hba *phba;
12008 unsigned long status;
12009 unsigned long iflag;
12010 struct lpfc_sli_ring *pring;
12012 /* Get the driver's phba structure from the dev_id and
12013 * assume the HBA is not interrupting.
12015 phba = (struct lpfc_hba *) dev_id;
12017 if (unlikely(!phba))
12021 * Stuff needs to be attented to when this function is invoked as an
12022 * individual interrupt handler in MSI-X multi-message interrupt mode
12024 if (phba->intr_type == MSIX) {
12025 /* Check device state for handling interrupt */
12026 if (lpfc_intr_state_check(phba))
12028 /* Need to read HA REG for FCP ring and other ring events */
12029 if (lpfc_readl(phba->HAregaddr, &ha_copy))
12030 return IRQ_HANDLED;
12031 /* Clear up only attention source related to fast-path */
12032 spin_lock_irqsave(&phba->hbalock, iflag);
12034 * If there is deferred error attention, do not check for
12037 if (unlikely(phba->hba_flag & DEFER_ERATT)) {
12038 spin_unlock_irqrestore(&phba->hbalock, iflag);
12041 writel((ha_copy & (HA_R0_CLR_MSK | HA_R1_CLR_MSK)),
12043 readl(phba->HAregaddr); /* flush */
12044 spin_unlock_irqrestore(&phba->hbalock, iflag);
12046 ha_copy = phba->ha_copy;
12049 * Process all events on FCP ring. Take the optimized path for FCP IO.
12051 ha_copy &= ~(phba->work_ha_mask);
12053 status = (ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING)));
12054 status >>= (4*LPFC_FCP_RING);
12055 pring = &phba->sli.sli3_ring[LPFC_FCP_RING];
12056 if (status & HA_RXMASK)
12057 lpfc_sli_handle_fast_ring_event(phba, pring, status);
12059 if (phba->cfg_multi_ring_support == 2) {
12061 * Process all events on extra ring. Take the optimized path
12062 * for extra ring IO.
12064 status = (ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING)));
12065 status >>= (4*LPFC_EXTRA_RING);
12066 if (status & HA_RXMASK) {
12067 lpfc_sli_handle_fast_ring_event(phba,
12068 &phba->sli.sli3_ring[LPFC_EXTRA_RING],
12072 return IRQ_HANDLED;
12073 } /* lpfc_sli_fp_intr_handler */
12076 * lpfc_sli_intr_handler - Device-level interrupt handler to SLI-3 device
12077 * @irq: Interrupt number.
12078 * @dev_id: The device context pointer.
12080 * This function is the HBA device-level interrupt handler to device with
12081 * SLI-3 interface spec, called from the PCI layer when either MSI or
12082 * Pin-IRQ interrupt mode is enabled and there is an event in the HBA which
12083 * requires driver attention. This function invokes the slow-path interrupt
12084 * attention handling function and fast-path interrupt attention handling
12085 * function in turn to process the relevant HBA attention events. This
12086 * function is called without any lock held. It gets the hbalock to access
12087 * and update SLI data structures.
12089 * This function returns IRQ_HANDLED when interrupt is handled, else it
12090 * returns IRQ_NONE.
12093 lpfc_sli_intr_handler(int irq, void *dev_id)
12095 struct lpfc_hba *phba;
12096 irqreturn_t sp_irq_rc, fp_irq_rc;
12097 unsigned long status1, status2;
12101 * Get the driver's phba structure from the dev_id and
12102 * assume the HBA is not interrupting.
12104 phba = (struct lpfc_hba *) dev_id;
12106 if (unlikely(!phba))
12109 /* Check device state for handling interrupt */
12110 if (lpfc_intr_state_check(phba))
12113 spin_lock(&phba->hbalock);
12114 if (lpfc_readl(phba->HAregaddr, &phba->ha_copy)) {
12115 spin_unlock(&phba->hbalock);
12116 return IRQ_HANDLED;
12119 if (unlikely(!phba->ha_copy)) {
12120 spin_unlock(&phba->hbalock);
12122 } else if (phba->ha_copy & HA_ERATT) {
12123 if (phba->hba_flag & HBA_ERATT_HANDLED)
12124 /* ERATT polling has handled ERATT */
12125 phba->ha_copy &= ~HA_ERATT;
12127 /* Indicate interrupt handler handles ERATT */
12128 phba->hba_flag |= HBA_ERATT_HANDLED;
12132 * If there is deferred error attention, do not check for any interrupt.
12134 if (unlikely(phba->hba_flag & DEFER_ERATT)) {
12135 spin_unlock(&phba->hbalock);
12139 /* Clear attention sources except link and error attentions */
12140 if (lpfc_readl(phba->HCregaddr, &hc_copy)) {
12141 spin_unlock(&phba->hbalock);
12142 return IRQ_HANDLED;
12144 writel(hc_copy & ~(HC_MBINT_ENA | HC_R0INT_ENA | HC_R1INT_ENA
12145 | HC_R2INT_ENA | HC_LAINT_ENA | HC_ERINT_ENA),
12147 writel((phba->ha_copy & ~(HA_LATT | HA_ERATT)), phba->HAregaddr);
12148 writel(hc_copy, phba->HCregaddr);
12149 readl(phba->HAregaddr); /* flush */
12150 spin_unlock(&phba->hbalock);
12153 * Invokes slow-path host attention interrupt handling as appropriate.
12156 /* status of events with mailbox and link attention */
12157 status1 = phba->ha_copy & (HA_MBATT | HA_LATT | HA_ERATT);
12159 /* status of events with ELS ring */
12160 status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING)));
12161 status2 >>= (4*LPFC_ELS_RING);
12163 if (status1 || (status2 & HA_RXMASK))
12164 sp_irq_rc = lpfc_sli_sp_intr_handler(irq, dev_id);
12166 sp_irq_rc = IRQ_NONE;
12169 * Invoke fast-path host attention interrupt handling as appropriate.
12172 /* status of events with FCP ring */
12173 status1 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_FCP_RING)));
12174 status1 >>= (4*LPFC_FCP_RING);
12176 /* status of events with extra ring */
12177 if (phba->cfg_multi_ring_support == 2) {
12178 status2 = (phba->ha_copy & (HA_RXMASK << (4*LPFC_EXTRA_RING)));
12179 status2 >>= (4*LPFC_EXTRA_RING);
12183 if ((status1 & HA_RXMASK) || (status2 & HA_RXMASK))
12184 fp_irq_rc = lpfc_sli_fp_intr_handler(irq, dev_id);
12186 fp_irq_rc = IRQ_NONE;
12188 /* Return device-level interrupt handling status */
12189 return (sp_irq_rc == IRQ_HANDLED) ? sp_irq_rc : fp_irq_rc;
12190 } /* lpfc_sli_intr_handler */
12193 * lpfc_sli4_fcp_xri_abort_event_proc - Process fcp xri abort event
12194 * @phba: pointer to lpfc hba data structure.
12196 * This routine is invoked by the worker thread to process all the pending
12197 * SLI4 FCP abort XRI events.
12199 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *phba)
12201 struct lpfc_cq_event *cq_event;
12203 /* First, declare the fcp xri abort event has been handled */
12204 spin_lock_irq(&phba->hbalock);
12205 phba->hba_flag &= ~FCP_XRI_ABORT_EVENT;
12206 spin_unlock_irq(&phba->hbalock);
12207 /* Now, handle all the fcp xri abort events */
12208 while (!list_empty(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue)) {
12209 /* Get the first event from the head of the event queue */
12210 spin_lock_irq(&phba->hbalock);
12211 list_remove_head(&phba->sli4_hba.sp_fcp_xri_aborted_work_queue,
12212 cq_event, struct lpfc_cq_event, list);
12213 spin_unlock_irq(&phba->hbalock);
12214 /* Notify aborted XRI for FCP work queue */
12215 lpfc_sli4_fcp_xri_aborted(phba, &cq_event->cqe.wcqe_axri);
12216 /* Free the event processed back to the free pool */
12217 lpfc_sli4_cq_event_release(phba, cq_event);
12222 * lpfc_sli4_nvme_xri_abort_event_proc - Process nvme xri abort event
12223 * @phba: pointer to lpfc hba data structure.
12225 * This routine is invoked by the worker thread to process all the pending
12226 * SLI4 NVME abort XRI events.
12228 void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba)
12230 struct lpfc_cq_event *cq_event;
12232 /* First, declare the fcp xri abort event has been handled */
12233 spin_lock_irq(&phba->hbalock);
12234 phba->hba_flag &= ~NVME_XRI_ABORT_EVENT;
12235 spin_unlock_irq(&phba->hbalock);
12236 /* Now, handle all the fcp xri abort events */
12237 while (!list_empty(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue)) {
12238 /* Get the first event from the head of the event queue */
12239 spin_lock_irq(&phba->hbalock);
12240 list_remove_head(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue,
12241 cq_event, struct lpfc_cq_event, list);
12242 spin_unlock_irq(&phba->hbalock);
12243 /* Notify aborted XRI for NVME work queue */
12244 if (phba->nvmet_support) {
12245 lpfc_sli4_nvmet_xri_aborted(phba,
12246 &cq_event->cqe.wcqe_axri);
12248 lpfc_sli4_nvme_xri_aborted(phba,
12249 &cq_event->cqe.wcqe_axri);
12251 /* Free the event processed back to the free pool */
12252 lpfc_sli4_cq_event_release(phba, cq_event);
12257 * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event
12258 * @phba: pointer to lpfc hba data structure.
12260 * This routine is invoked by the worker thread to process all the pending
12261 * SLI4 els abort xri events.
12263 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba)
12265 struct lpfc_cq_event *cq_event;
12267 /* First, declare the els xri abort event has been handled */
12268 spin_lock_irq(&phba->hbalock);
12269 phba->hba_flag &= ~ELS_XRI_ABORT_EVENT;
12270 spin_unlock_irq(&phba->hbalock);
12271 /* Now, handle all the els xri abort events */
12272 while (!list_empty(&phba->sli4_hba.sp_els_xri_aborted_work_queue)) {
12273 /* Get the first event from the head of the event queue */
12274 spin_lock_irq(&phba->hbalock);
12275 list_remove_head(&phba->sli4_hba.sp_els_xri_aborted_work_queue,
12276 cq_event, struct lpfc_cq_event, list);
12277 spin_unlock_irq(&phba->hbalock);
12278 /* Notify aborted XRI for ELS work queue */
12279 lpfc_sli4_els_xri_aborted(phba, &cq_event->cqe.wcqe_axri);
12280 /* Free the event processed back to the free pool */
12281 lpfc_sli4_cq_event_release(phba, cq_event);
12286 * lpfc_sli4_iocb_param_transfer - Transfer pIocbOut and cmpl status to pIocbIn
12287 * @phba: pointer to lpfc hba data structure
12288 * @pIocbIn: pointer to the rspiocbq
12289 * @pIocbOut: pointer to the cmdiocbq
12290 * @wcqe: pointer to the complete wcqe
12292 * This routine transfers the fields of a command iocbq to a response iocbq
12293 * by copying all the IOCB fields from command iocbq and transferring the
12294 * completion status information from the complete wcqe.
12297 lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba,
12298 struct lpfc_iocbq *pIocbIn,
12299 struct lpfc_iocbq *pIocbOut,
12300 struct lpfc_wcqe_complete *wcqe)
12303 unsigned long iflags;
12304 uint32_t status, max_response;
12305 struct lpfc_dmabuf *dmabuf;
12306 struct ulp_bde64 *bpl, bde;
12307 size_t offset = offsetof(struct lpfc_iocbq, iocb);
12309 memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset,
12310 sizeof(struct lpfc_iocbq) - offset);
12311 /* Map WCQE parameters into irspiocb parameters */
12312 status = bf_get(lpfc_wcqe_c_status, wcqe);
12313 pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK);
12314 if (pIocbOut->iocb_flag & LPFC_IO_FCP)
12315 if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR)
12316 pIocbIn->iocb.un.fcpi.fcpi_parm =
12317 pIocbOut->iocb.un.fcpi.fcpi_parm -
12318 wcqe->total_data_placed;
12320 pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
12322 pIocbIn->iocb.un.ulpWord[4] = wcqe->parameter;
12323 switch (pIocbOut->iocb.ulpCommand) {
12324 case CMD_ELS_REQUEST64_CR:
12325 dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3;
12326 bpl = (struct ulp_bde64 *)dmabuf->virt;
12327 bde.tus.w = le32_to_cpu(bpl[1].tus.w);
12328 max_response = bde.tus.f.bdeSize;
12330 case CMD_GEN_REQUEST64_CR:
12332 if (!pIocbOut->context3)
12334 numBdes = pIocbOut->iocb.un.genreq64.bdl.bdeSize/
12335 sizeof(struct ulp_bde64);
12336 dmabuf = (struct lpfc_dmabuf *)pIocbOut->context3;
12337 bpl = (struct ulp_bde64 *)dmabuf->virt;
12338 for (i = 0; i < numBdes; i++) {
12339 bde.tus.w = le32_to_cpu(bpl[i].tus.w);
12340 if (bde.tus.f.bdeFlags != BUFF_TYPE_BDE_64)
12341 max_response += bde.tus.f.bdeSize;
12345 max_response = wcqe->total_data_placed;
12348 if (max_response < wcqe->total_data_placed)
12349 pIocbIn->iocb.un.genreq64.bdl.bdeSize = max_response;
12351 pIocbIn->iocb.un.genreq64.bdl.bdeSize =
12352 wcqe->total_data_placed;
12355 /* Convert BG errors for completion status */
12356 if (status == CQE_STATUS_DI_ERROR) {
12357 pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT;
12359 if (bf_get(lpfc_wcqe_c_bg_edir, wcqe))
12360 pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED;
12362 pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED;
12364 pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0;
12365 if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */
12366 pIocbIn->iocb.unsli3.sli3_bg.bgstat |=
12367 BGS_GUARD_ERR_MASK;
12368 if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */
12369 pIocbIn->iocb.unsli3.sli3_bg.bgstat |=
12370 BGS_APPTAG_ERR_MASK;
12371 if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */
12372 pIocbIn->iocb.unsli3.sli3_bg.bgstat |=
12373 BGS_REFTAG_ERR_MASK;
12375 /* Check to see if there was any good data before the error */
12376 if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) {
12377 pIocbIn->iocb.unsli3.sli3_bg.bgstat |=
12378 BGS_HI_WATER_MARK_PRESENT_MASK;
12379 pIocbIn->iocb.unsli3.sli3_bg.bghm =
12380 wcqe->total_data_placed;
12384 * Set ALL the error bits to indicate we don't know what
12385 * type of error it is.
12387 if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat)
12388 pIocbIn->iocb.unsli3.sli3_bg.bgstat |=
12389 (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK |
12390 BGS_GUARD_ERR_MASK);
12393 /* Pick up HBA exchange busy condition */
12394 if (bf_get(lpfc_wcqe_c_xb, wcqe)) {
12395 spin_lock_irqsave(&phba->hbalock, iflags);
12396 pIocbIn->iocb_flag |= LPFC_EXCHANGE_BUSY;
12397 spin_unlock_irqrestore(&phba->hbalock, iflags);
12402 * lpfc_sli4_els_wcqe_to_rspiocbq - Get response iocbq from els wcqe
12403 * @phba: Pointer to HBA context object.
12404 * @wcqe: Pointer to work-queue completion queue entry.
12406 * This routine handles an ELS work-queue completion event and construct
12407 * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common
12408 * discovery engine to handle.
12410 * Return: Pointer to the receive IOCBQ, NULL otherwise.
12412 static struct lpfc_iocbq *
12413 lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *phba,
12414 struct lpfc_iocbq *irspiocbq)
12416 struct lpfc_sli_ring *pring;
12417 struct lpfc_iocbq *cmdiocbq;
12418 struct lpfc_wcqe_complete *wcqe;
12419 unsigned long iflags;
12421 pring = lpfc_phba_elsring(phba);
12423 wcqe = &irspiocbq->cq_event.cqe.wcqe_cmpl;
12424 spin_lock_irqsave(&pring->ring_lock, iflags);
12425 pring->stats.iocb_event++;
12426 /* Look up the ELS command IOCB and create pseudo response IOCB */
12427 cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring,
12428 bf_get(lpfc_wcqe_c_request_tag, wcqe));
12429 /* Put the iocb back on the txcmplq */
12430 lpfc_sli_ringtxcmpl_put(phba, pring, cmdiocbq);
12431 spin_unlock_irqrestore(&pring->ring_lock, iflags);
12433 if (unlikely(!cmdiocbq)) {
12434 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
12435 "0386 ELS complete with no corresponding "
12436 "cmdiocb: iotag (%d)\n",
12437 bf_get(lpfc_wcqe_c_request_tag, wcqe));
12438 lpfc_sli_release_iocbq(phba, irspiocbq);
12442 /* Fake the irspiocbq and copy necessary response information */
12443 lpfc_sli4_iocb_param_transfer(phba, irspiocbq, cmdiocbq, wcqe);
12449 * lpfc_sli4_sp_handle_async_event - Handle an asynchroous event
12450 * @phba: Pointer to HBA context object.
12451 * @cqe: Pointer to mailbox completion queue entry.
12453 * This routine process a mailbox completion queue entry with asynchrous
12456 * Return: true if work posted to worker thread, otherwise false.
12459 lpfc_sli4_sp_handle_async_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe)
12461 struct lpfc_cq_event *cq_event;
12462 unsigned long iflags;
12464 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
12465 "0392 Async Event: word0:x%x, word1:x%x, "
12466 "word2:x%x, word3:x%x\n", mcqe->word0,
12467 mcqe->mcqe_tag0, mcqe->mcqe_tag1, mcqe->trailer);
12469 /* Allocate a new internal CQ_EVENT entry */
12470 cq_event = lpfc_sli4_cq_event_alloc(phba);
12472 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12473 "0394 Failed to allocate CQ_EVENT entry\n");
12477 /* Move the CQE into an asynchronous event entry */
12478 memcpy(&cq_event->cqe, mcqe, sizeof(struct lpfc_mcqe));
12479 spin_lock_irqsave(&phba->hbalock, iflags);
12480 list_add_tail(&cq_event->list, &phba->sli4_hba.sp_asynce_work_queue);
12481 /* Set the async event flag */
12482 phba->hba_flag |= ASYNC_EVENT;
12483 spin_unlock_irqrestore(&phba->hbalock, iflags);
12489 * lpfc_sli4_sp_handle_mbox_event - Handle a mailbox completion event
12490 * @phba: Pointer to HBA context object.
12491 * @cqe: Pointer to mailbox completion queue entry.
12493 * This routine process a mailbox completion queue entry with mailbox
12494 * completion event.
12496 * Return: true if work posted to worker thread, otherwise false.
12499 lpfc_sli4_sp_handle_mbox_event(struct lpfc_hba *phba, struct lpfc_mcqe *mcqe)
12501 uint32_t mcqe_status;
12502 MAILBOX_t *mbox, *pmbox;
12503 struct lpfc_mqe *mqe;
12504 struct lpfc_vport *vport;
12505 struct lpfc_nodelist *ndlp;
12506 struct lpfc_dmabuf *mp;
12507 unsigned long iflags;
12509 bool workposted = false;
12512 /* If not a mailbox complete MCQE, out by checking mailbox consume */
12513 if (!bf_get(lpfc_trailer_completed, mcqe))
12514 goto out_no_mqe_complete;
12516 /* Get the reference to the active mbox command */
12517 spin_lock_irqsave(&phba->hbalock, iflags);
12518 pmb = phba->sli.mbox_active;
12519 if (unlikely(!pmb)) {
12520 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
12521 "1832 No pending MBOX command to handle\n");
12522 spin_unlock_irqrestore(&phba->hbalock, iflags);
12523 goto out_no_mqe_complete;
12525 spin_unlock_irqrestore(&phba->hbalock, iflags);
12527 pmbox = (MAILBOX_t *)&pmb->u.mqe;
12529 vport = pmb->vport;
12531 /* Reset heartbeat timer */
12532 phba->last_completion_time = jiffies;
12533 del_timer(&phba->sli.mbox_tmo);
12535 /* Move mbox data to caller's mailbox region, do endian swapping */
12536 if (pmb->mbox_cmpl && mbox)
12537 lpfc_sli_pcimem_bcopy(mbox, mqe, sizeof(struct lpfc_mqe));
12540 * For mcqe errors, conditionally move a modified error code to
12541 * the mbox so that the error will not be missed.
12543 mcqe_status = bf_get(lpfc_mcqe_status, mcqe);
12544 if (mcqe_status != MB_CQE_STATUS_SUCCESS) {
12545 if (bf_get(lpfc_mqe_status, mqe) == MBX_SUCCESS)
12546 bf_set(lpfc_mqe_status, mqe,
12547 (LPFC_MBX_ERROR_RANGE | mcqe_status));
12549 if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) {
12550 pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG;
12551 lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_MBOX_VPORT,
12552 "MBOX dflt rpi: status:x%x rpi:x%x",
12554 pmbox->un.varWords[0], 0);
12555 if (mcqe_status == MB_CQE_STATUS_SUCCESS) {
12556 mp = (struct lpfc_dmabuf *)(pmb->context1);
12557 ndlp = (struct lpfc_nodelist *)pmb->context2;
12558 /* Reg_LOGIN of dflt RPI was successful. Now lets get
12559 * RID of the PPI using the same mbox buffer.
12561 lpfc_unreg_login(phba, vport->vpi,
12562 pmbox->un.varWords[0], pmb);
12563 pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi;
12564 pmb->context1 = mp;
12565 pmb->context2 = ndlp;
12566 pmb->vport = vport;
12567 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT);
12568 if (rc != MBX_BUSY)
12569 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX |
12570 LOG_SLI, "0385 rc should "
12571 "have been MBX_BUSY\n");
12572 if (rc != MBX_NOT_FINISHED)
12573 goto send_current_mbox;
12576 spin_lock_irqsave(&phba->pport->work_port_lock, iflags);
12577 phba->pport->work_port_events &= ~WORKER_MBOX_TMO;
12578 spin_unlock_irqrestore(&phba->pport->work_port_lock, iflags);
12580 /* There is mailbox completion work to do */
12581 spin_lock_irqsave(&phba->hbalock, iflags);
12582 __lpfc_mbox_cmpl_put(phba, pmb);
12583 phba->work_ha |= HA_MBATT;
12584 spin_unlock_irqrestore(&phba->hbalock, iflags);
12588 spin_lock_irqsave(&phba->hbalock, iflags);
12589 /* Release the mailbox command posting token */
12590 phba->sli.sli_flag &= ~LPFC_SLI_MBOX_ACTIVE;
12591 /* Setting active mailbox pointer need to be in sync to flag clear */
12592 phba->sli.mbox_active = NULL;
12593 spin_unlock_irqrestore(&phba->hbalock, iflags);
12594 /* Wake up worker thread to post the next pending mailbox command */
12595 lpfc_worker_wake_up(phba);
12596 out_no_mqe_complete:
12597 if (bf_get(lpfc_trailer_consumed, mcqe))
12598 lpfc_sli4_mq_release(phba->sli4_hba.mbx_wq);
12603 * lpfc_sli4_sp_handle_mcqe - Process a mailbox completion queue entry
12604 * @phba: Pointer to HBA context object.
12605 * @cqe: Pointer to mailbox completion queue entry.
12607 * This routine process a mailbox completion queue entry, it invokes the
12608 * proper mailbox complete handling or asynchrous event handling routine
12609 * according to the MCQE's async bit.
12611 * Return: true if work posted to worker thread, otherwise false.
12614 lpfc_sli4_sp_handle_mcqe(struct lpfc_hba *phba, struct lpfc_cqe *cqe)
12616 struct lpfc_mcqe mcqe;
12619 /* Copy the mailbox MCQE and convert endian order as needed */
12620 lpfc_sli_pcimem_bcopy(cqe, &mcqe, sizeof(struct lpfc_mcqe));
12622 /* Invoke the proper event handling routine */
12623 if (!bf_get(lpfc_trailer_async, &mcqe))
12624 workposted = lpfc_sli4_sp_handle_mbox_event(phba, &mcqe);
12626 workposted = lpfc_sli4_sp_handle_async_event(phba, &mcqe);
12631 * lpfc_sli4_sp_handle_els_wcqe - Handle els work-queue completion event
12632 * @phba: Pointer to HBA context object.
12633 * @cq: Pointer to associated CQ
12634 * @wcqe: Pointer to work-queue completion queue entry.
12636 * This routine handles an ELS work-queue completion event.
12638 * Return: true if work posted to worker thread, otherwise false.
12641 lpfc_sli4_sp_handle_els_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
12642 struct lpfc_wcqe_complete *wcqe)
12644 struct lpfc_iocbq *irspiocbq;
12645 unsigned long iflags;
12646 struct lpfc_sli_ring *pring = cq->pring;
12648 int txcmplq_cnt = 0;
12649 int fcp_txcmplq_cnt = 0;
12651 /* Get an irspiocbq for later ELS response processing use */
12652 irspiocbq = lpfc_sli_get_iocbq(phba);
12654 if (!list_empty(&pring->txq))
12656 if (!list_empty(&pring->txcmplq))
12658 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12659 "0387 NO IOCBQ data: txq_cnt=%d iocb_cnt=%d "
12660 "fcp_txcmplq_cnt=%d, els_txcmplq_cnt=%d\n",
12661 txq_cnt, phba->iocb_cnt,
12667 /* Save off the slow-path queue event for work thread to process */
12668 memcpy(&irspiocbq->cq_event.cqe.wcqe_cmpl, wcqe, sizeof(*wcqe));
12669 spin_lock_irqsave(&phba->hbalock, iflags);
12670 list_add_tail(&irspiocbq->cq_event.list,
12671 &phba->sli4_hba.sp_queue_event);
12672 phba->hba_flag |= HBA_SP_QUEUE_EVT;
12673 spin_unlock_irqrestore(&phba->hbalock, iflags);
12679 * lpfc_sli4_sp_handle_rel_wcqe - Handle slow-path WQ entry consumed event
12680 * @phba: Pointer to HBA context object.
12681 * @wcqe: Pointer to work-queue completion queue entry.
12683 * This routine handles slow-path WQ entry consumed event by invoking the
12684 * proper WQ release routine to the slow-path WQ.
12687 lpfc_sli4_sp_handle_rel_wcqe(struct lpfc_hba *phba,
12688 struct lpfc_wcqe_release *wcqe)
12690 /* sanity check on queue memory */
12691 if (unlikely(!phba->sli4_hba.els_wq))
12693 /* Check for the slow-path ELS work queue */
12694 if (bf_get(lpfc_wcqe_r_wq_id, wcqe) == phba->sli4_hba.els_wq->queue_id)
12695 lpfc_sli4_wq_release(phba->sli4_hba.els_wq,
12696 bf_get(lpfc_wcqe_r_wqe_index, wcqe));
12698 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
12699 "2579 Slow-path wqe consume event carries "
12700 "miss-matched qid: wcqe-qid=x%x, sp-qid=x%x\n",
12701 bf_get(lpfc_wcqe_r_wqe_index, wcqe),
12702 phba->sli4_hba.els_wq->queue_id);
12706 * lpfc_sli4_sp_handle_abort_xri_wcqe - Handle a xri abort event
12707 * @phba: Pointer to HBA context object.
12708 * @cq: Pointer to a WQ completion queue.
12709 * @wcqe: Pointer to work-queue completion queue entry.
12711 * This routine handles an XRI abort event.
12713 * Return: true if work posted to worker thread, otherwise false.
12716 lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba,
12717 struct lpfc_queue *cq,
12718 struct sli4_wcqe_xri_aborted *wcqe)
12720 bool workposted = false;
12721 struct lpfc_cq_event *cq_event;
12722 unsigned long iflags;
12724 /* Allocate a new internal CQ_EVENT entry */
12725 cq_event = lpfc_sli4_cq_event_alloc(phba);
12727 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12728 "0602 Failed to allocate CQ_EVENT entry\n");
12732 /* Move the CQE into the proper xri abort event list */
12733 memcpy(&cq_event->cqe, wcqe, sizeof(struct sli4_wcqe_xri_aborted));
12734 switch (cq->subtype) {
12736 spin_lock_irqsave(&phba->hbalock, iflags);
12737 list_add_tail(&cq_event->list,
12738 &phba->sli4_hba.sp_fcp_xri_aborted_work_queue);
12739 /* Set the fcp xri abort event flag */
12740 phba->hba_flag |= FCP_XRI_ABORT_EVENT;
12741 spin_unlock_irqrestore(&phba->hbalock, iflags);
12745 spin_lock_irqsave(&phba->hbalock, iflags);
12746 list_add_tail(&cq_event->list,
12747 &phba->sli4_hba.sp_els_xri_aborted_work_queue);
12748 /* Set the els xri abort event flag */
12749 phba->hba_flag |= ELS_XRI_ABORT_EVENT;
12750 spin_unlock_irqrestore(&phba->hbalock, iflags);
12754 spin_lock_irqsave(&phba->hbalock, iflags);
12755 list_add_tail(&cq_event->list,
12756 &phba->sli4_hba.sp_nvme_xri_aborted_work_queue);
12757 /* Set the nvme xri abort event flag */
12758 phba->hba_flag |= NVME_XRI_ABORT_EVENT;
12759 spin_unlock_irqrestore(&phba->hbalock, iflags);
12763 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12764 "0603 Invalid CQ subtype %d: "
12765 "%08x %08x %08x %08x\n",
12766 cq->subtype, wcqe->word0, wcqe->parameter,
12767 wcqe->word2, wcqe->word3);
12768 lpfc_sli4_cq_event_release(phba, cq_event);
12769 workposted = false;
12776 * lpfc_sli4_sp_handle_rcqe - Process a receive-queue completion queue entry
12777 * @phba: Pointer to HBA context object.
12778 * @rcqe: Pointer to receive-queue completion queue entry.
12780 * This routine process a receive-queue completion queue entry.
12782 * Return: true if work posted to worker thread, otherwise false.
12785 lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe)
12787 bool workposted = false;
12788 struct fc_frame_header *fc_hdr;
12789 struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq;
12790 struct lpfc_queue *drq = phba->sli4_hba.dat_rq;
12791 struct hbq_dmabuf *dma_buf;
12792 uint32_t status, rq_id;
12793 unsigned long iflags;
12795 /* sanity check on queue memory */
12796 if (unlikely(!hrq) || unlikely(!drq))
12799 if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1)
12800 rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe);
12802 rq_id = bf_get(lpfc_rcqe_rq_id, rcqe);
12803 if (rq_id != hrq->queue_id)
12806 status = bf_get(lpfc_rcqe_status, rcqe);
12808 case FC_STATUS_RQ_BUF_LEN_EXCEEDED:
12809 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12810 "2537 Receive Frame Truncated!!\n");
12811 hrq->RQ_buf_trunc++;
12812 case FC_STATUS_RQ_SUCCESS:
12813 lpfc_sli4_rq_release(hrq, drq);
12814 spin_lock_irqsave(&phba->hbalock, iflags);
12815 dma_buf = lpfc_sli_hbqbuf_get(&phba->hbqs[0].hbq_buffer_list);
12817 hrq->RQ_no_buf_found++;
12818 spin_unlock_irqrestore(&phba->hbalock, iflags);
12822 memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe));
12824 /* If a NVME LS event (type 0x28), treat it as Fast path */
12825 fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt;
12827 /* save off the frame for the word thread to process */
12828 list_add_tail(&dma_buf->cq_event.list,
12829 &phba->sli4_hba.sp_queue_event);
12830 /* Frame received */
12831 phba->hba_flag |= HBA_SP_QUEUE_EVT;
12832 spin_unlock_irqrestore(&phba->hbalock, iflags);
12835 case FC_STATUS_INSUFF_BUF_NEED_BUF:
12836 case FC_STATUS_INSUFF_BUF_FRM_DISC:
12837 hrq->RQ_no_posted_buf++;
12838 /* Post more buffers if possible */
12839 spin_lock_irqsave(&phba->hbalock, iflags);
12840 phba->hba_flag |= HBA_POST_RECEIVE_BUFFER;
12841 spin_unlock_irqrestore(&phba->hbalock, iflags);
12850 * lpfc_sli4_sp_handle_cqe - Process a slow path completion queue entry
12851 * @phba: Pointer to HBA context object.
12852 * @cq: Pointer to the completion queue.
12853 * @wcqe: Pointer to a completion queue entry.
12855 * This routine process a slow-path work-queue or receive queue completion queue
12858 * Return: true if work posted to worker thread, otherwise false.
12861 lpfc_sli4_sp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
12862 struct lpfc_cqe *cqe)
12864 struct lpfc_cqe cqevt;
12865 bool workposted = false;
12867 /* Copy the work queue CQE and convert endian order if needed */
12868 lpfc_sli_pcimem_bcopy(cqe, &cqevt, sizeof(struct lpfc_cqe));
12870 /* Check and process for different type of WCQE and dispatch */
12871 switch (bf_get(lpfc_cqe_code, &cqevt)) {
12872 case CQE_CODE_COMPL_WQE:
12873 /* Process the WQ/RQ complete event */
12874 phba->last_completion_time = jiffies;
12875 workposted = lpfc_sli4_sp_handle_els_wcqe(phba, cq,
12876 (struct lpfc_wcqe_complete *)&cqevt);
12878 case CQE_CODE_RELEASE_WQE:
12879 /* Process the WQ release event */
12880 lpfc_sli4_sp_handle_rel_wcqe(phba,
12881 (struct lpfc_wcqe_release *)&cqevt);
12883 case CQE_CODE_XRI_ABORTED:
12884 /* Process the WQ XRI abort event */
12885 phba->last_completion_time = jiffies;
12886 workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq,
12887 (struct sli4_wcqe_xri_aborted *)&cqevt);
12889 case CQE_CODE_RECEIVE:
12890 case CQE_CODE_RECEIVE_V1:
12891 /* Process the RQ event */
12892 phba->last_completion_time = jiffies;
12893 workposted = lpfc_sli4_sp_handle_rcqe(phba,
12894 (struct lpfc_rcqe *)&cqevt);
12897 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12898 "0388 Not a valid WCQE code: x%x\n",
12899 bf_get(lpfc_cqe_code, &cqevt));
12906 * lpfc_sli4_sp_handle_eqe - Process a slow-path event queue entry
12907 * @phba: Pointer to HBA context object.
12908 * @eqe: Pointer to fast-path event queue entry.
12910 * This routine process a event queue entry from the slow-path event queue.
12911 * It will check the MajorCode and MinorCode to determine this is for a
12912 * completion event on a completion queue, if not, an error shall be logged
12913 * and just return. Otherwise, it will get to the corresponding completion
12914 * queue and process all the entries on that completion queue, rearm the
12915 * completion queue, and then return.
12919 lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
12920 struct lpfc_queue *speq)
12922 struct lpfc_queue *cq = NULL, *childq;
12923 struct lpfc_cqe *cqe;
12924 bool workposted = false;
12928 /* Get the reference to the corresponding CQ */
12929 cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
12931 list_for_each_entry(childq, &speq->child_list, list) {
12932 if (childq->queue_id == cqid) {
12937 if (unlikely(!cq)) {
12938 if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
12939 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12940 "0365 Slow-path CQ identifier "
12941 "(%d) does not exist\n", cqid);
12945 /* Save EQ associated with this CQ */
12946 cq->assoc_qp = speq;
12948 /* Process all the entries to the CQ */
12949 switch (cq->type) {
12951 while ((cqe = lpfc_sli4_cq_get(cq))) {
12952 workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe);
12953 if (!(++ecount % cq->entry_repost))
12954 lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
12959 while ((cqe = lpfc_sli4_cq_get(cq))) {
12960 if ((cq->subtype == LPFC_FCP) ||
12961 (cq->subtype == LPFC_NVME))
12962 workposted |= lpfc_sli4_fp_handle_cqe(phba, cq,
12965 workposted |= lpfc_sli4_sp_handle_cqe(phba, cq,
12967 if (!(++ecount % cq->entry_repost))
12968 lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
12971 /* Track the max number of CQEs processed in 1 EQ */
12972 if (ecount > cq->CQ_max_cqe)
12973 cq->CQ_max_cqe = ecount;
12976 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12977 "0370 Invalid completion queue type (%d)\n",
12982 /* Catch the no cq entry condition, log an error */
12983 if (unlikely(ecount == 0))
12984 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
12985 "0371 No entry from the CQ: identifier "
12986 "(x%x), type (%d)\n", cq->queue_id, cq->type);
12988 /* In any case, flash and re-arm the RCQ */
12989 lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM);
12991 /* wake up worker thread if there are works to be done */
12993 lpfc_worker_wake_up(phba);
12997 * lpfc_sli4_fp_handle_fcp_wcqe - Process fast-path work queue completion entry
12998 * @phba: Pointer to HBA context object.
12999 * @cq: Pointer to associated CQ
13000 * @wcqe: Pointer to work-queue completion queue entry.
13002 * This routine process a fast-path work queue completion entry from fast-path
13003 * event queue for FCP command response completion.
13006 lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
13007 struct lpfc_wcqe_complete *wcqe)
13009 struct lpfc_sli_ring *pring = cq->pring;
13010 struct lpfc_iocbq *cmdiocbq;
13011 struct lpfc_iocbq irspiocbq;
13012 unsigned long iflags;
13014 /* Check for response status */
13015 if (unlikely(bf_get(lpfc_wcqe_c_status, wcqe))) {
13016 /* If resource errors reported from HBA, reduce queue
13017 * depth of the SCSI device.
13019 if (((bf_get(lpfc_wcqe_c_status, wcqe) ==
13020 IOSTAT_LOCAL_REJECT)) &&
13021 ((wcqe->parameter & IOERR_PARAM_MASK) ==
13022 IOERR_NO_RESOURCES))
13023 phba->lpfc_rampdown_queue_depth(phba);
13025 /* Log the error status */
13026 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
13027 "0373 FCP complete error: status=x%x, "
13028 "hw_status=x%x, total_data_specified=%d, "
13029 "parameter=x%x, word3=x%x\n",
13030 bf_get(lpfc_wcqe_c_status, wcqe),
13031 bf_get(lpfc_wcqe_c_hw_status, wcqe),
13032 wcqe->total_data_placed, wcqe->parameter,
13036 /* Look up the FCP command IOCB and create pseudo response IOCB */
13037 spin_lock_irqsave(&pring->ring_lock, iflags);
13038 pring->stats.iocb_event++;
13039 cmdiocbq = lpfc_sli_iocbq_lookup_by_tag(phba, pring,
13040 bf_get(lpfc_wcqe_c_request_tag, wcqe));
13041 spin_unlock_irqrestore(&pring->ring_lock, iflags);
13042 if (unlikely(!cmdiocbq)) {
13043 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
13044 "0374 FCP complete with no corresponding "
13045 "cmdiocb: iotag (%d)\n",
13046 bf_get(lpfc_wcqe_c_request_tag, wcqe));
13051 cmdiocbq->isr_timestamp =
13052 cq->assoc_qp->isr_timestamp;
13054 if (cmdiocbq->iocb_cmpl == NULL) {
13055 if (cmdiocbq->wqe_cmpl) {
13056 if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) {
13057 spin_lock_irqsave(&phba->hbalock, iflags);
13058 cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED;
13059 spin_unlock_irqrestore(&phba->hbalock, iflags);
13062 /* Pass the cmd_iocb and the wcqe to the upper layer */
13063 (cmdiocbq->wqe_cmpl)(phba, cmdiocbq, wcqe);
13066 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
13067 "0375 FCP cmdiocb not callback function "
13069 bf_get(lpfc_wcqe_c_request_tag, wcqe));
13073 /* Fake the irspiocb and copy necessary response information */
13074 lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe);
13076 if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) {
13077 spin_lock_irqsave(&phba->hbalock, iflags);
13078 cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED;
13079 spin_unlock_irqrestore(&phba->hbalock, iflags);
13082 /* Pass the cmd_iocb and the rsp state to the upper layer */
13083 (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq);
13087 * lpfc_sli4_fp_handle_rel_wcqe - Handle fast-path WQ entry consumed event
13088 * @phba: Pointer to HBA context object.
13089 * @cq: Pointer to completion queue.
13090 * @wcqe: Pointer to work-queue completion queue entry.
13092 * This routine handles an fast-path WQ entry consumed event by invoking the
13093 * proper WQ release routine to the slow-path WQ.
13096 lpfc_sli4_fp_handle_rel_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
13097 struct lpfc_wcqe_release *wcqe)
13099 struct lpfc_queue *childwq;
13100 bool wqid_matched = false;
13103 /* Check for fast-path FCP work queue release */
13104 hba_wqid = bf_get(lpfc_wcqe_r_wq_id, wcqe);
13105 list_for_each_entry(childwq, &cq->child_list, list) {
13106 if (childwq->queue_id == hba_wqid) {
13107 lpfc_sli4_wq_release(childwq,
13108 bf_get(lpfc_wcqe_r_wqe_index, wcqe));
13109 wqid_matched = true;
13113 /* Report warning log message if no match found */
13114 if (wqid_matched != true)
13115 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
13116 "2580 Fast-path wqe consume event carries "
13117 "miss-matched qid: wcqe-qid=x%x\n", hba_wqid);
13121 * lpfc_sli4_nvmet_handle_rcqe - Process a receive-queue completion queue entry
13122 * @phba: Pointer to HBA context object.
13123 * @rcqe: Pointer to receive-queue completion queue entry.
13125 * This routine process a receive-queue completion queue entry.
13127 * Return: true if work posted to worker thread, otherwise false.
13130 lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
13131 struct lpfc_rcqe *rcqe)
13133 bool workposted = false;
13134 struct lpfc_queue *hrq;
13135 struct lpfc_queue *drq;
13136 struct rqb_dmabuf *dma_buf;
13137 struct fc_frame_header *fc_hdr;
13138 uint32_t status, rq_id;
13139 unsigned long iflags;
13140 uint32_t fctl, idx;
13142 if ((phba->nvmet_support == 0) ||
13143 (phba->sli4_hba.nvmet_cqset == NULL))
13146 idx = cq->queue_id - phba->sli4_hba.nvmet_cqset[0]->queue_id;
13147 hrq = phba->sli4_hba.nvmet_mrq_hdr[idx];
13148 drq = phba->sli4_hba.nvmet_mrq_data[idx];
13150 /* sanity check on queue memory */
13151 if (unlikely(!hrq) || unlikely(!drq))
13154 if (bf_get(lpfc_cqe_code, rcqe) == CQE_CODE_RECEIVE_V1)
13155 rq_id = bf_get(lpfc_rcqe_rq_id_v1, rcqe);
13157 rq_id = bf_get(lpfc_rcqe_rq_id, rcqe);
13159 if ((phba->nvmet_support == 0) ||
13160 (rq_id != hrq->queue_id))
13163 status = bf_get(lpfc_rcqe_status, rcqe);
13165 case FC_STATUS_RQ_BUF_LEN_EXCEEDED:
13166 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13167 "6126 Receive Frame Truncated!!\n");
13168 hrq->RQ_buf_trunc++;
13170 case FC_STATUS_RQ_SUCCESS:
13171 lpfc_sli4_rq_release(hrq, drq);
13172 spin_lock_irqsave(&phba->hbalock, iflags);
13173 dma_buf = lpfc_sli_rqbuf_get(phba, hrq);
13175 hrq->RQ_no_buf_found++;
13176 spin_unlock_irqrestore(&phba->hbalock, iflags);
13179 spin_unlock_irqrestore(&phba->hbalock, iflags);
13181 fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt;
13183 /* Just some basic sanity checks on FCP Command frame */
13184 fctl = (fc_hdr->fh_f_ctl[0] << 16 |
13185 fc_hdr->fh_f_ctl[1] << 8 |
13186 fc_hdr->fh_f_ctl[2]);
13188 (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) !=
13189 (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) ||
13190 (fc_hdr->fh_seq_cnt != 0)) /* 0 byte swapped is still 0 */
13193 if (fc_hdr->fh_type == FC_TYPE_FCP) {
13194 dma_buf->bytes_recv = bf_get(lpfc_rcqe_length, rcqe);
13195 lpfc_nvmet_unsol_fcp_event(
13196 phba, phba->sli4_hba.els_wq->pring, dma_buf,
13197 cq->assoc_qp->isr_timestamp);
13201 lpfc_in_buf_free(phba, &dma_buf->dbuf);
13203 case FC_STATUS_INSUFF_BUF_NEED_BUF:
13204 case FC_STATUS_INSUFF_BUF_FRM_DISC:
13205 hrq->RQ_no_posted_buf++;
13206 /* Post more buffers if possible */
13207 spin_lock_irqsave(&phba->hbalock, iflags);
13208 phba->hba_flag |= HBA_POST_RECEIVE_BUFFER;
13209 spin_unlock_irqrestore(&phba->hbalock, iflags);
13218 * lpfc_sli4_fp_handle_cqe - Process fast-path work queue completion entry
13219 * @cq: Pointer to the completion queue.
13220 * @eqe: Pointer to fast-path completion queue entry.
13222 * This routine process a fast-path work queue completion entry from fast-path
13223 * event queue for FCP command response completion.
13226 lpfc_sli4_fp_handle_cqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
13227 struct lpfc_cqe *cqe)
13229 struct lpfc_wcqe_release wcqe;
13230 bool workposted = false;
13232 /* Copy the work queue CQE and convert endian order if needed */
13233 lpfc_sli_pcimem_bcopy(cqe, &wcqe, sizeof(struct lpfc_cqe));
13235 /* Check and process for different type of WCQE and dispatch */
13236 switch (bf_get(lpfc_wcqe_c_code, &wcqe)) {
13237 case CQE_CODE_COMPL_WQE:
13238 case CQE_CODE_NVME_ERSP:
13240 /* Process the WQ complete event */
13241 phba->last_completion_time = jiffies;
13242 if ((cq->subtype == LPFC_FCP) || (cq->subtype == LPFC_NVME))
13243 lpfc_sli4_fp_handle_fcp_wcqe(phba, cq,
13244 (struct lpfc_wcqe_complete *)&wcqe);
13245 if (cq->subtype == LPFC_NVME_LS)
13246 lpfc_sli4_fp_handle_fcp_wcqe(phba, cq,
13247 (struct lpfc_wcqe_complete *)&wcqe);
13249 case CQE_CODE_RELEASE_WQE:
13250 cq->CQ_release_wqe++;
13251 /* Process the WQ release event */
13252 lpfc_sli4_fp_handle_rel_wcqe(phba, cq,
13253 (struct lpfc_wcqe_release *)&wcqe);
13255 case CQE_CODE_XRI_ABORTED:
13256 cq->CQ_xri_aborted++;
13257 /* Process the WQ XRI abort event */
13258 phba->last_completion_time = jiffies;
13259 workposted = lpfc_sli4_sp_handle_abort_xri_wcqe(phba, cq,
13260 (struct sli4_wcqe_xri_aborted *)&wcqe);
13262 case CQE_CODE_RECEIVE_V1:
13263 case CQE_CODE_RECEIVE:
13264 phba->last_completion_time = jiffies;
13265 if (cq->subtype == LPFC_NVMET) {
13266 workposted = lpfc_sli4_nvmet_handle_rcqe(
13267 phba, cq, (struct lpfc_rcqe *)&wcqe);
13271 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13272 "0144 Not a valid CQE code: x%x\n",
13273 bf_get(lpfc_wcqe_c_code, &wcqe));
13280 * lpfc_sli4_hba_handle_eqe - Process a fast-path event queue entry
13281 * @phba: Pointer to HBA context object.
13282 * @eqe: Pointer to fast-path event queue entry.
13284 * This routine process a event queue entry from the fast-path event queue.
13285 * It will check the MajorCode and MinorCode to determine this is for a
13286 * completion event on a completion queue, if not, an error shall be logged
13287 * and just return. Otherwise, it will get to the corresponding completion
13288 * queue and process all the entries on the completion queue, rearm the
13289 * completion queue, and then return.
13292 lpfc_sli4_hba_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
13295 struct lpfc_queue *cq = NULL;
13296 struct lpfc_cqe *cqe;
13297 bool workposted = false;
13301 if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) {
13302 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13303 "0366 Not a valid completion "
13304 "event: majorcode=x%x, minorcode=x%x\n",
13305 bf_get_le32(lpfc_eqe_major_code, eqe),
13306 bf_get_le32(lpfc_eqe_minor_code, eqe));
13310 /* Get the reference to the corresponding CQ */
13311 cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
13313 if (phba->cfg_nvmet_mrq && phba->sli4_hba.nvmet_cqset) {
13314 id = phba->sli4_hba.nvmet_cqset[0]->queue_id;
13315 if ((cqid >= id) && (cqid < (id + phba->cfg_nvmet_mrq))) {
13316 /* Process NVMET unsol rcv */
13317 cq = phba->sli4_hba.nvmet_cqset[cqid - id];
13322 if (phba->sli4_hba.nvme_cq_map &&
13323 (cqid == phba->sli4_hba.nvme_cq_map[qidx])) {
13324 /* Process NVME / NVMET command completion */
13325 cq = phba->sli4_hba.nvme_cq[qidx];
13329 if (phba->sli4_hba.fcp_cq_map &&
13330 (cqid == phba->sli4_hba.fcp_cq_map[qidx])) {
13331 /* Process FCP command completion */
13332 cq = phba->sli4_hba.fcp_cq[qidx];
13336 if (phba->sli4_hba.nvmels_cq &&
13337 (cqid == phba->sli4_hba.nvmels_cq->queue_id)) {
13338 /* Process NVME unsol rcv */
13339 cq = phba->sli4_hba.nvmels_cq;
13342 /* Otherwise this is a Slow path event */
13344 lpfc_sli4_sp_handle_eqe(phba, eqe, phba->sli4_hba.hba_eq[qidx]);
13349 if (unlikely(cqid != cq->queue_id)) {
13350 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13351 "0368 Miss-matched fast-path completion "
13352 "queue identifier: eqcqid=%d, fcpcqid=%d\n",
13353 cqid, cq->queue_id);
13357 /* Save EQ associated with this CQ */
13358 cq->assoc_qp = phba->sli4_hba.hba_eq[qidx];
13360 /* Process all the entries to the CQ */
13361 while ((cqe = lpfc_sli4_cq_get(cq))) {
13362 workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe);
13363 if (!(++ecount % cq->entry_repost))
13364 lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
13367 /* Track the max number of CQEs processed in 1 EQ */
13368 if (ecount > cq->CQ_max_cqe)
13369 cq->CQ_max_cqe = ecount;
13371 /* Catch the no cq entry condition */
13372 if (unlikely(ecount == 0))
13373 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13374 "0369 No entry from fast-path completion "
13375 "queue fcpcqid=%d\n", cq->queue_id);
13377 /* In any case, flash and re-arm the CQ */
13378 lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM);
13380 /* wake up worker thread if there are works to be done */
13382 lpfc_worker_wake_up(phba);
13386 lpfc_sli4_eq_flush(struct lpfc_hba *phba, struct lpfc_queue *eq)
13388 struct lpfc_eqe *eqe;
13390 /* walk all the EQ entries and drop on the floor */
13391 while ((eqe = lpfc_sli4_eq_get(eq)))
13394 /* Clear and re-arm the EQ */
13395 lpfc_sli4_eq_release(eq, LPFC_QUEUE_REARM);
13400 * lpfc_sli4_fof_handle_eqe - Process a Flash Optimized Fabric event queue
13402 * @phba: Pointer to HBA context object.
13403 * @eqe: Pointer to fast-path event queue entry.
13405 * This routine process a event queue entry from the Flash Optimized Fabric
13406 * event queue. It will check the MajorCode and MinorCode to determine this
13407 * is for a completion event on a completion queue, if not, an error shall be
13408 * logged and just return. Otherwise, it will get to the corresponding
13409 * completion queue and process all the entries on the completion queue, rearm
13410 * the completion queue, and then return.
13413 lpfc_sli4_fof_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
13415 struct lpfc_queue *cq;
13416 struct lpfc_cqe *cqe;
13417 bool workposted = false;
13421 if (unlikely(bf_get_le32(lpfc_eqe_major_code, eqe) != 0)) {
13422 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13423 "9147 Not a valid completion "
13424 "event: majorcode=x%x, minorcode=x%x\n",
13425 bf_get_le32(lpfc_eqe_major_code, eqe),
13426 bf_get_le32(lpfc_eqe_minor_code, eqe));
13430 /* Get the reference to the corresponding CQ */
13431 cqid = bf_get_le32(lpfc_eqe_resource_id, eqe);
13433 /* Next check for OAS */
13434 cq = phba->sli4_hba.oas_cq;
13435 if (unlikely(!cq)) {
13436 if (phba->sli.sli_flag & LPFC_SLI_ACTIVE)
13437 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13438 "9148 OAS completion queue "
13439 "does not exist\n");
13443 if (unlikely(cqid != cq->queue_id)) {
13444 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13445 "9149 Miss-matched fast-path compl "
13446 "queue id: eqcqid=%d, fcpcqid=%d\n",
13447 cqid, cq->queue_id);
13451 /* Process all the entries to the OAS CQ */
13452 while ((cqe = lpfc_sli4_cq_get(cq))) {
13453 workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe);
13454 if (!(++ecount % cq->entry_repost))
13455 lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM);
13458 /* Track the max number of CQEs processed in 1 EQ */
13459 if (ecount > cq->CQ_max_cqe)
13460 cq->CQ_max_cqe = ecount;
13462 /* Catch the no cq entry condition */
13463 if (unlikely(ecount == 0))
13464 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13465 "9153 No entry from fast-path completion "
13466 "queue fcpcqid=%d\n", cq->queue_id);
13468 /* In any case, flash and re-arm the CQ */
13469 lpfc_sli4_cq_release(cq, LPFC_QUEUE_REARM);
13471 /* wake up worker thread if there are works to be done */
13473 lpfc_worker_wake_up(phba);
13477 * lpfc_sli4_fof_intr_handler - HBA interrupt handler to SLI-4 device
13478 * @irq: Interrupt number.
13479 * @dev_id: The device context pointer.
13481 * This function is directly called from the PCI layer as an interrupt
13482 * service routine when device with SLI-4 interface spec is enabled with
13483 * MSI-X multi-message interrupt mode and there is a Flash Optimized Fabric
13484 * IOCB ring event in the HBA. However, when the device is enabled with either
13485 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
13486 * device-level interrupt handler. When the PCI slot is in error recovery
13487 * or the HBA is undergoing initialization, the interrupt handler will not
13488 * process the interrupt. The Flash Optimized Fabric ring event are handled in
13489 * the intrrupt context. This function is called without any lock held.
13490 * It gets the hbalock to access and update SLI data structures. Note that,
13491 * the EQ to CQ are one-to-one map such that the EQ index is
13492 * equal to that of CQ index.
13494 * This function returns IRQ_HANDLED when interrupt is handled else it
13495 * returns IRQ_NONE.
13498 lpfc_sli4_fof_intr_handler(int irq, void *dev_id)
13500 struct lpfc_hba *phba;
13501 struct lpfc_hba_eq_hdl *hba_eq_hdl;
13502 struct lpfc_queue *eq;
13503 struct lpfc_eqe *eqe;
13504 unsigned long iflag;
13507 /* Get the driver's phba structure from the dev_id */
13508 hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id;
13509 phba = hba_eq_hdl->phba;
13511 if (unlikely(!phba))
13514 /* Get to the EQ struct associated with this vector */
13515 eq = phba->sli4_hba.fof_eq;
13519 /* Check device state for handling interrupt */
13520 if (unlikely(lpfc_intr_state_check(phba))) {
13522 /* Check again for link_state with lock held */
13523 spin_lock_irqsave(&phba->hbalock, iflag);
13524 if (phba->link_state < LPFC_LINK_DOWN)
13525 /* Flush, clear interrupt, and rearm the EQ */
13526 lpfc_sli4_eq_flush(phba, eq);
13527 spin_unlock_irqrestore(&phba->hbalock, iflag);
13532 * Process all the event on FCP fast-path EQ
13534 while ((eqe = lpfc_sli4_eq_get(eq))) {
13535 lpfc_sli4_fof_handle_eqe(phba, eqe);
13536 if (!(++ecount % eq->entry_repost))
13537 lpfc_sli4_eq_release(eq, LPFC_QUEUE_NOARM);
13538 eq->EQ_processed++;
13541 /* Track the max number of EQEs processed in 1 intr */
13542 if (ecount > eq->EQ_max_eqe)
13543 eq->EQ_max_eqe = ecount;
13546 if (unlikely(ecount == 0)) {
13549 if (phba->intr_type == MSIX)
13550 /* MSI-X treated interrupt served as no EQ share INT */
13551 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
13552 "9145 MSI-X interrupt with no EQE\n");
13554 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
13555 "9146 ISR interrupt with no EQE\n");
13556 /* Non MSI-X treated on interrupt as EQ share INT */
13560 /* Always clear and re-arm the fast-path EQ */
13561 lpfc_sli4_eq_release(eq, LPFC_QUEUE_REARM);
13562 return IRQ_HANDLED;
13566 * lpfc_sli4_hba_intr_handler - HBA interrupt handler to SLI-4 device
13567 * @irq: Interrupt number.
13568 * @dev_id: The device context pointer.
13570 * This function is directly called from the PCI layer as an interrupt
13571 * service routine when device with SLI-4 interface spec is enabled with
13572 * MSI-X multi-message interrupt mode and there is a fast-path FCP IOCB
13573 * ring event in the HBA. However, when the device is enabled with either
13574 * MSI or Pin-IRQ interrupt mode, this function is called as part of the
13575 * device-level interrupt handler. When the PCI slot is in error recovery
13576 * or the HBA is undergoing initialization, the interrupt handler will not
13577 * process the interrupt. The SCSI FCP fast-path ring event are handled in
13578 * the intrrupt context. This function is called without any lock held.
13579 * It gets the hbalock to access and update SLI data structures. Note that,
13580 * the FCP EQ to FCP CQ are one-to-one map such that the FCP EQ index is
13581 * equal to that of FCP CQ index.
13583 * The link attention and ELS ring attention events are handled
13584 * by the worker thread. The interrupt handler signals the worker thread
13585 * and returns for these events. This function is called without any lock
13586 * held. It gets the hbalock to access and update SLI data structures.
13588 * This function returns IRQ_HANDLED when interrupt is handled else it
13589 * returns IRQ_NONE.
13592 lpfc_sli4_hba_intr_handler(int irq, void *dev_id)
13594 struct lpfc_hba *phba;
13595 struct lpfc_hba_eq_hdl *hba_eq_hdl;
13596 struct lpfc_queue *fpeq;
13597 struct lpfc_eqe *eqe;
13598 unsigned long iflag;
13602 /* Get the driver's phba structure from the dev_id */
13603 hba_eq_hdl = (struct lpfc_hba_eq_hdl *)dev_id;
13604 phba = hba_eq_hdl->phba;
13605 hba_eqidx = hba_eq_hdl->idx;
13607 if (unlikely(!phba))
13609 if (unlikely(!phba->sli4_hba.hba_eq))
13612 /* Get to the EQ struct associated with this vector */
13613 fpeq = phba->sli4_hba.hba_eq[hba_eqidx];
13614 if (unlikely(!fpeq))
13617 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
13618 if (phba->ktime_on)
13619 fpeq->isr_timestamp = ktime_get_ns();
13622 if (lpfc_fcp_look_ahead) {
13623 if (atomic_dec_and_test(&hba_eq_hdl->hba_eq_in_use))
13624 lpfc_sli4_eq_clr_intr(fpeq);
13626 atomic_inc(&hba_eq_hdl->hba_eq_in_use);
13631 /* Check device state for handling interrupt */
13632 if (unlikely(lpfc_intr_state_check(phba))) {
13633 fpeq->EQ_badstate++;
13634 /* Check again for link_state with lock held */
13635 spin_lock_irqsave(&phba->hbalock, iflag);
13636 if (phba->link_state < LPFC_LINK_DOWN)
13637 /* Flush, clear interrupt, and rearm the EQ */
13638 lpfc_sli4_eq_flush(phba, fpeq);
13639 spin_unlock_irqrestore(&phba->hbalock, iflag);
13640 if (lpfc_fcp_look_ahead)
13641 atomic_inc(&hba_eq_hdl->hba_eq_in_use);
13646 * Process all the event on FCP fast-path EQ
13648 while ((eqe = lpfc_sli4_eq_get(fpeq))) {
13652 lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx);
13653 if (!(++ecount % fpeq->entry_repost))
13654 lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_NOARM);
13655 fpeq->EQ_processed++;
13658 /* Track the max number of EQEs processed in 1 intr */
13659 if (ecount > fpeq->EQ_max_eqe)
13660 fpeq->EQ_max_eqe = ecount;
13662 /* Always clear and re-arm the fast-path EQ */
13663 lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_REARM);
13665 if (unlikely(ecount == 0)) {
13666 fpeq->EQ_no_entry++;
13668 if (lpfc_fcp_look_ahead) {
13669 atomic_inc(&hba_eq_hdl->hba_eq_in_use);
13673 if (phba->intr_type == MSIX)
13674 /* MSI-X treated interrupt served as no EQ share INT */
13675 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
13676 "0358 MSI-X interrupt with no EQE\n");
13678 /* Non MSI-X treated on interrupt as EQ share INT */
13682 if (lpfc_fcp_look_ahead)
13683 atomic_inc(&hba_eq_hdl->hba_eq_in_use);
13685 return IRQ_HANDLED;
13686 } /* lpfc_sli4_fp_intr_handler */
13689 * lpfc_sli4_intr_handler - Device-level interrupt handler for SLI-4 device
13690 * @irq: Interrupt number.
13691 * @dev_id: The device context pointer.
13693 * This function is the device-level interrupt handler to device with SLI-4
13694 * interface spec, called from the PCI layer when either MSI or Pin-IRQ
13695 * interrupt mode is enabled and there is an event in the HBA which requires
13696 * driver attention. This function invokes the slow-path interrupt attention
13697 * handling function and fast-path interrupt attention handling function in
13698 * turn to process the relevant HBA attention events. This function is called
13699 * without any lock held. It gets the hbalock to access and update SLI data
13702 * This function returns IRQ_HANDLED when interrupt is handled, else it
13703 * returns IRQ_NONE.
13706 lpfc_sli4_intr_handler(int irq, void *dev_id)
13708 struct lpfc_hba *phba;
13709 irqreturn_t hba_irq_rc;
13710 bool hba_handled = false;
13713 /* Get the driver's phba structure from the dev_id */
13714 phba = (struct lpfc_hba *)dev_id;
13716 if (unlikely(!phba))
13720 * Invoke fast-path host attention interrupt handling as appropriate.
13722 for (qidx = 0; qidx < phba->io_channel_irqs; qidx++) {
13723 hba_irq_rc = lpfc_sli4_hba_intr_handler(irq,
13724 &phba->sli4_hba.hba_eq_hdl[qidx]);
13725 if (hba_irq_rc == IRQ_HANDLED)
13726 hba_handled |= true;
13729 if (phba->cfg_fof) {
13730 hba_irq_rc = lpfc_sli4_fof_intr_handler(irq,
13731 &phba->sli4_hba.hba_eq_hdl[qidx]);
13732 if (hba_irq_rc == IRQ_HANDLED)
13733 hba_handled |= true;
13736 return (hba_handled == true) ? IRQ_HANDLED : IRQ_NONE;
13737 } /* lpfc_sli4_intr_handler */
13740 * lpfc_sli4_queue_free - free a queue structure and associated memory
13741 * @queue: The queue structure to free.
13743 * This function frees a queue structure and the DMAable memory used for
13744 * the host resident queue. This function must be called after destroying the
13745 * queue on the HBA.
13748 lpfc_sli4_queue_free(struct lpfc_queue *queue)
13750 struct lpfc_dmabuf *dmabuf;
13755 while (!list_empty(&queue->page_list)) {
13756 list_remove_head(&queue->page_list, dmabuf, struct lpfc_dmabuf,
13758 dma_free_coherent(&queue->phba->pcidev->dev, SLI4_PAGE_SIZE,
13759 dmabuf->virt, dmabuf->phys);
13763 lpfc_free_rq_buffer(queue->phba, queue);
13764 kfree(queue->rqbp);
13767 if (!list_empty(&queue->wq_list))
13768 list_del(&queue->wq_list);
13775 * lpfc_sli4_queue_alloc - Allocate and initialize a queue structure
13776 * @phba: The HBA that this queue is being created on.
13777 * @entry_size: The size of each queue entry for this queue.
13778 * @entry count: The number of entries that this queue will handle.
13780 * This function allocates a queue structure and the DMAable memory used for
13781 * the host resident queue. This function must be called before creating the
13782 * queue on the HBA.
13784 struct lpfc_queue *
13785 lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size,
13786 uint32_t entry_count)
13788 struct lpfc_queue *queue;
13789 struct lpfc_dmabuf *dmabuf;
13790 int x, total_qe_count;
13792 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
13794 if (!phba->sli4_hba.pc_sli4_params.supported)
13795 hw_page_size = SLI4_PAGE_SIZE;
13797 queue = kzalloc(sizeof(struct lpfc_queue) +
13798 (sizeof(union sli4_qe) * entry_count), GFP_KERNEL);
13801 queue->page_count = (ALIGN(entry_size * entry_count,
13802 hw_page_size))/hw_page_size;
13804 /* If needed, Adjust page count to match the max the adapter supports */
13805 if (queue->page_count > phba->sli4_hba.pc_sli4_params.wqpcnt)
13806 queue->page_count = phba->sli4_hba.pc_sli4_params.wqpcnt;
13808 INIT_LIST_HEAD(&queue->list);
13809 INIT_LIST_HEAD(&queue->wq_list);
13810 INIT_LIST_HEAD(&queue->page_list);
13811 INIT_LIST_HEAD(&queue->child_list);
13812 for (x = 0, total_qe_count = 0; x < queue->page_count; x++) {
13813 dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
13816 dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev,
13817 hw_page_size, &dmabuf->phys,
13819 if (!dmabuf->virt) {
13823 dmabuf->buffer_tag = x;
13824 list_add_tail(&dmabuf->list, &queue->page_list);
13825 /* initialize queue's entry array */
13826 dma_pointer = dmabuf->virt;
13827 for (; total_qe_count < entry_count &&
13828 dma_pointer < (hw_page_size + dmabuf->virt);
13829 total_qe_count++, dma_pointer += entry_size) {
13830 queue->qe[total_qe_count].address = dma_pointer;
13833 queue->entry_size = entry_size;
13834 queue->entry_count = entry_count;
13837 * entry_repost is calculated based on the number of entries in the
13838 * queue. This works out except for RQs. If buffers are NOT initially
13839 * posted for every RQE, entry_repost should be adjusted accordingly.
13841 queue->entry_repost = (entry_count >> 3);
13842 if (queue->entry_repost < LPFC_QUEUE_MIN_REPOST)
13843 queue->entry_repost = LPFC_QUEUE_MIN_REPOST;
13844 queue->phba = phba;
13848 lpfc_sli4_queue_free(queue);
13853 * lpfc_dual_chute_pci_bar_map - Map pci base address register to host memory
13854 * @phba: HBA structure that indicates port to create a queue on.
13855 * @pci_barset: PCI BAR set flag.
13857 * This function shall perform iomap of the specified PCI BAR address to host
13858 * memory address if not already done so and return it. The returned host
13859 * memory address can be NULL.
13861 static void __iomem *
13862 lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset)
13867 switch (pci_barset) {
13868 case WQ_PCI_BAR_0_AND_1:
13869 return phba->pci_bar0_memmap_p;
13870 case WQ_PCI_BAR_2_AND_3:
13871 return phba->pci_bar2_memmap_p;
13872 case WQ_PCI_BAR_4_AND_5:
13873 return phba->pci_bar4_memmap_p;
13881 * lpfc_modify_hba_eq_delay - Modify Delay Multiplier on FCP EQs
13882 * @phba: HBA structure that indicates port to create a queue on.
13883 * @startq: The starting FCP EQ to modify
13885 * This function sends an MODIFY_EQ_DELAY mailbox command to the HBA.
13886 * The command allows up to LPFC_MAX_EQ_DELAY_EQID_CNT EQ ID's to be
13887 * updated in one mailbox command.
13889 * The @phba struct is used to send mailbox command to HBA. The @startq
13890 * is used to get the starting FCP EQ to change.
13891 * This function is asynchronous and will wait for the mailbox
13892 * command to finish before continuing.
13894 * On success this function will return a zero. If unable to allocate enough
13895 * memory this function will return -ENOMEM. If the queue create mailbox command
13896 * fails this function will return -ENXIO.
13899 lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq)
13901 struct lpfc_mbx_modify_eq_delay *eq_delay;
13902 LPFC_MBOXQ_t *mbox;
13903 struct lpfc_queue *eq;
13904 int cnt, rc, length, status = 0;
13905 uint32_t shdr_status, shdr_add_status;
13908 union lpfc_sli4_cfg_shdr *shdr;
13911 if (startq >= phba->io_channel_irqs)
13914 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
13917 length = (sizeof(struct lpfc_mbx_modify_eq_delay) -
13918 sizeof(struct lpfc_sli4_cfg_mhdr));
13919 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
13920 LPFC_MBOX_OPCODE_MODIFY_EQ_DELAY,
13921 length, LPFC_SLI4_MBX_EMBED);
13922 eq_delay = &mbox->u.mqe.un.eq_delay;
13924 /* Calculate delay multiper from maximum interrupt per second */
13925 result = phba->cfg_fcp_imax / phba->io_channel_irqs;
13926 if (result > LPFC_DMULT_CONST || result == 0)
13929 dmult = LPFC_DMULT_CONST/result - 1;
13932 for (qidx = startq; qidx < phba->io_channel_irqs; qidx++) {
13933 eq = phba->sli4_hba.hba_eq[qidx];
13936 eq_delay->u.request.eq[cnt].eq_id = eq->queue_id;
13937 eq_delay->u.request.eq[cnt].phase = 0;
13938 eq_delay->u.request.eq[cnt].delay_multi = dmult;
13940 if (cnt >= LPFC_MAX_EQ_DELAY_EQID_CNT)
13943 eq_delay->u.request.num_eq = cnt;
13945 mbox->vport = phba->pport;
13946 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
13947 mbox->context1 = NULL;
13948 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
13949 shdr = (union lpfc_sli4_cfg_shdr *) &eq_delay->header.cfg_shdr;
13950 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
13951 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
13952 if (shdr_status || shdr_add_status || rc) {
13953 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
13954 "2512 MODIFY_EQ_DELAY mailbox failed with "
13955 "status x%x add_status x%x, mbx status x%x\n",
13956 shdr_status, shdr_add_status, rc);
13959 mempool_free(mbox, phba->mbox_mem_pool);
13964 * lpfc_eq_create - Create an Event Queue on the HBA
13965 * @phba: HBA structure that indicates port to create a queue on.
13966 * @eq: The queue structure to use to create the event queue.
13967 * @imax: The maximum interrupt per second limit.
13969 * This function creates an event queue, as detailed in @eq, on a port,
13970 * described by @phba by sending an EQ_CREATE mailbox command to the HBA.
13972 * The @phba struct is used to send mailbox command to HBA. The @eq struct
13973 * is used to get the entry count and entry size that are necessary to
13974 * determine the number of pages to allocate and use for this queue. This
13975 * function will send the EQ_CREATE mailbox command to the HBA to setup the
13976 * event queue. This function is asynchronous and will wait for the mailbox
13977 * command to finish before continuing.
13979 * On success this function will return a zero. If unable to allocate enough
13980 * memory this function will return -ENOMEM. If the queue create mailbox command
13981 * fails this function will return -ENXIO.
13984 lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax)
13986 struct lpfc_mbx_eq_create *eq_create;
13987 LPFC_MBOXQ_t *mbox;
13988 int rc, length, status = 0;
13989 struct lpfc_dmabuf *dmabuf;
13990 uint32_t shdr_status, shdr_add_status;
13991 union lpfc_sli4_cfg_shdr *shdr;
13993 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
13995 /* sanity check on queue memory */
13998 if (!phba->sli4_hba.pc_sli4_params.supported)
13999 hw_page_size = SLI4_PAGE_SIZE;
14001 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
14004 length = (sizeof(struct lpfc_mbx_eq_create) -
14005 sizeof(struct lpfc_sli4_cfg_mhdr));
14006 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
14007 LPFC_MBOX_OPCODE_EQ_CREATE,
14008 length, LPFC_SLI4_MBX_EMBED);
14009 eq_create = &mbox->u.mqe.un.eq_create;
14010 bf_set(lpfc_mbx_eq_create_num_pages, &eq_create->u.request,
14012 bf_set(lpfc_eq_context_size, &eq_create->u.request.context,
14014 bf_set(lpfc_eq_context_valid, &eq_create->u.request.context, 1);
14015 /* don't setup delay multiplier using EQ_CREATE */
14017 bf_set(lpfc_eq_context_delay_multi, &eq_create->u.request.context,
14019 switch (eq->entry_count) {
14021 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
14022 "0360 Unsupported EQ count. (%d)\n",
14024 if (eq->entry_count < 256)
14026 /* otherwise default to smallest count (drop through) */
14028 bf_set(lpfc_eq_context_count, &eq_create->u.request.context,
14032 bf_set(lpfc_eq_context_count, &eq_create->u.request.context,
14036 bf_set(lpfc_eq_context_count, &eq_create->u.request.context,
14040 bf_set(lpfc_eq_context_count, &eq_create->u.request.context,
14044 bf_set(lpfc_eq_context_count, &eq_create->u.request.context,
14048 list_for_each_entry(dmabuf, &eq->page_list, list) {
14049 memset(dmabuf->virt, 0, hw_page_size);
14050 eq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
14051 putPaddrLow(dmabuf->phys);
14052 eq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
14053 putPaddrHigh(dmabuf->phys);
14055 mbox->vport = phba->pport;
14056 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
14057 mbox->context1 = NULL;
14058 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
14059 shdr = (union lpfc_sli4_cfg_shdr *) &eq_create->header.cfg_shdr;
14060 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
14061 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
14062 if (shdr_status || shdr_add_status || rc) {
14063 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14064 "2500 EQ_CREATE mailbox failed with "
14065 "status x%x add_status x%x, mbx status x%x\n",
14066 shdr_status, shdr_add_status, rc);
14069 eq->type = LPFC_EQ;
14070 eq->subtype = LPFC_NONE;
14071 eq->queue_id = bf_get(lpfc_mbx_eq_create_q_id, &eq_create->u.response);
14072 if (eq->queue_id == 0xFFFF)
14074 eq->host_index = 0;
14077 mempool_free(mbox, phba->mbox_mem_pool);
14082 * lpfc_cq_create - Create a Completion Queue on the HBA
14083 * @phba: HBA structure that indicates port to create a queue on.
14084 * @cq: The queue structure to use to create the completion queue.
14085 * @eq: The event queue to bind this completion queue to.
14087 * This function creates a completion queue, as detailed in @wq, on a port,
14088 * described by @phba by sending a CQ_CREATE mailbox command to the HBA.
14090 * The @phba struct is used to send mailbox command to HBA. The @cq struct
14091 * is used to get the entry count and entry size that are necessary to
14092 * determine the number of pages to allocate and use for this queue. The @eq
14093 * is used to indicate which event queue to bind this completion queue to. This
14094 * function will send the CQ_CREATE mailbox command to the HBA to setup the
14095 * completion queue. This function is asynchronous and will wait for the mailbox
14096 * command to finish before continuing.
14098 * On success this function will return a zero. If unable to allocate enough
14099 * memory this function will return -ENOMEM. If the queue create mailbox command
14100 * fails this function will return -ENXIO.
14103 lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq,
14104 struct lpfc_queue *eq, uint32_t type, uint32_t subtype)
14106 struct lpfc_mbx_cq_create *cq_create;
14107 struct lpfc_dmabuf *dmabuf;
14108 LPFC_MBOXQ_t *mbox;
14109 int rc, length, status = 0;
14110 uint32_t shdr_status, shdr_add_status;
14111 union lpfc_sli4_cfg_shdr *shdr;
14112 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
14114 /* sanity check on queue memory */
14117 if (!phba->sli4_hba.pc_sli4_params.supported)
14118 hw_page_size = SLI4_PAGE_SIZE;
14120 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
14123 length = (sizeof(struct lpfc_mbx_cq_create) -
14124 sizeof(struct lpfc_sli4_cfg_mhdr));
14125 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
14126 LPFC_MBOX_OPCODE_CQ_CREATE,
14127 length, LPFC_SLI4_MBX_EMBED);
14128 cq_create = &mbox->u.mqe.un.cq_create;
14129 shdr = (union lpfc_sli4_cfg_shdr *) &cq_create->header.cfg_shdr;
14130 bf_set(lpfc_mbx_cq_create_num_pages, &cq_create->u.request,
14132 bf_set(lpfc_cq_context_event, &cq_create->u.request.context, 1);
14133 bf_set(lpfc_cq_context_valid, &cq_create->u.request.context, 1);
14134 bf_set(lpfc_mbox_hdr_version, &shdr->request,
14135 phba->sli4_hba.pc_sli4_params.cqv);
14136 if (phba->sli4_hba.pc_sli4_params.cqv == LPFC_Q_CREATE_VERSION_2) {
14137 /* FW only supports 1. Should be PAGE_SIZE/SLI4_PAGE_SIZE */
14138 bf_set(lpfc_mbx_cq_create_page_size, &cq_create->u.request, 1);
14139 bf_set(lpfc_cq_eq_id_2, &cq_create->u.request.context,
14142 bf_set(lpfc_cq_eq_id, &cq_create->u.request.context,
14145 switch (cq->entry_count) {
14147 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
14148 "0361 Unsupported CQ count: "
14149 "entry cnt %d sz %d pg cnt %d repost %d\n",
14150 cq->entry_count, cq->entry_size,
14151 cq->page_count, cq->entry_repost);
14152 if (cq->entry_count < 256) {
14156 /* otherwise default to smallest count (drop through) */
14158 bf_set(lpfc_cq_context_count, &cq_create->u.request.context,
14162 bf_set(lpfc_cq_context_count, &cq_create->u.request.context,
14166 bf_set(lpfc_cq_context_count, &cq_create->u.request.context,
14170 list_for_each_entry(dmabuf, &cq->page_list, list) {
14171 memset(dmabuf->virt, 0, hw_page_size);
14172 cq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
14173 putPaddrLow(dmabuf->phys);
14174 cq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
14175 putPaddrHigh(dmabuf->phys);
14177 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
14179 /* The IOCTL status is embedded in the mailbox subheader. */
14180 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
14181 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
14182 if (shdr_status || shdr_add_status || rc) {
14183 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14184 "2501 CQ_CREATE mailbox failed with "
14185 "status x%x add_status x%x, mbx status x%x\n",
14186 shdr_status, shdr_add_status, rc);
14190 cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response);
14191 if (cq->queue_id == 0xFFFF) {
14195 /* link the cq onto the parent eq child list */
14196 list_add_tail(&cq->list, &eq->child_list);
14197 /* Set up completion queue's type and subtype */
14199 cq->subtype = subtype;
14200 cq->queue_id = bf_get(lpfc_mbx_cq_create_q_id, &cq_create->u.response);
14201 cq->assoc_qid = eq->queue_id;
14202 cq->host_index = 0;
14206 mempool_free(mbox, phba->mbox_mem_pool);
14211 * lpfc_cq_create_set - Create a set of Completion Queues on the HBA for MRQ
14212 * @phba: HBA structure that indicates port to create a queue on.
14213 * @cqp: The queue structure array to use to create the completion queues.
14214 * @eqp: The event queue array to bind these completion queues to.
14216 * This function creates a set of completion queue, s to support MRQ
14217 * as detailed in @cqp, on a port,
14218 * described by @phba by sending a CREATE_CQ_SET mailbox command to the HBA.
14220 * The @phba struct is used to send mailbox command to HBA. The @cq struct
14221 * is used to get the entry count and entry size that are necessary to
14222 * determine the number of pages to allocate and use for this queue. The @eq
14223 * is used to indicate which event queue to bind this completion queue to. This
14224 * function will send the CREATE_CQ_SET mailbox command to the HBA to setup the
14225 * completion queue. This function is asynchronous and will wait for the mailbox
14226 * command to finish before continuing.
14228 * On success this function will return a zero. If unable to allocate enough
14229 * memory this function will return -ENOMEM. If the queue create mailbox command
14230 * fails this function will return -ENXIO.
14233 lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
14234 struct lpfc_queue **eqp, uint32_t type, uint32_t subtype)
14236 struct lpfc_queue *cq;
14237 struct lpfc_queue *eq;
14238 struct lpfc_mbx_cq_create_set *cq_set;
14239 struct lpfc_dmabuf *dmabuf;
14240 LPFC_MBOXQ_t *mbox;
14241 int rc, length, alloclen, status = 0;
14242 int cnt, idx, numcq, page_idx = 0;
14243 uint32_t shdr_status, shdr_add_status;
14244 union lpfc_sli4_cfg_shdr *shdr;
14245 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
14247 /* sanity check on queue memory */
14248 numcq = phba->cfg_nvmet_mrq;
14249 if (!cqp || !eqp || !numcq)
14251 if (!phba->sli4_hba.pc_sli4_params.supported)
14252 hw_page_size = SLI4_PAGE_SIZE;
14254 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
14258 length = sizeof(struct lpfc_mbx_cq_create_set);
14259 length += ((numcq * cqp[0]->page_count) *
14260 sizeof(struct dma_address));
14261 alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
14262 LPFC_MBOX_OPCODE_FCOE_CQ_CREATE_SET, length,
14263 LPFC_SLI4_MBX_NEMBED);
14264 if (alloclen < length) {
14265 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
14266 "3098 Allocated DMA memory size (%d) is "
14267 "less than the requested DMA memory size "
14268 "(%d)\n", alloclen, length);
14272 cq_set = mbox->sge_array->addr[0];
14273 shdr = (union lpfc_sli4_cfg_shdr *)&cq_set->cfg_shdr;
14274 bf_set(lpfc_mbox_hdr_version, &shdr->request, 0);
14276 for (idx = 0; idx < numcq; idx++) {
14286 bf_set(lpfc_mbx_cq_create_set_page_size,
14287 &cq_set->u.request,
14288 (hw_page_size / SLI4_PAGE_SIZE));
14289 bf_set(lpfc_mbx_cq_create_set_num_pages,
14290 &cq_set->u.request, cq->page_count);
14291 bf_set(lpfc_mbx_cq_create_set_evt,
14292 &cq_set->u.request, 1);
14293 bf_set(lpfc_mbx_cq_create_set_valid,
14294 &cq_set->u.request, 1);
14295 bf_set(lpfc_mbx_cq_create_set_cqe_size,
14296 &cq_set->u.request, 0);
14297 bf_set(lpfc_mbx_cq_create_set_num_cq,
14298 &cq_set->u.request, numcq);
14299 switch (cq->entry_count) {
14301 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
14302 "3118 Bad CQ count. (%d)\n",
14304 if (cq->entry_count < 256) {
14308 /* otherwise default to smallest (drop thru) */
14310 bf_set(lpfc_mbx_cq_create_set_cqe_cnt,
14311 &cq_set->u.request, LPFC_CQ_CNT_256);
14314 bf_set(lpfc_mbx_cq_create_set_cqe_cnt,
14315 &cq_set->u.request, LPFC_CQ_CNT_512);
14318 bf_set(lpfc_mbx_cq_create_set_cqe_cnt,
14319 &cq_set->u.request, LPFC_CQ_CNT_1024);
14322 bf_set(lpfc_mbx_cq_create_set_eq_id0,
14323 &cq_set->u.request, eq->queue_id);
14326 bf_set(lpfc_mbx_cq_create_set_eq_id1,
14327 &cq_set->u.request, eq->queue_id);
14330 bf_set(lpfc_mbx_cq_create_set_eq_id2,
14331 &cq_set->u.request, eq->queue_id);
14334 bf_set(lpfc_mbx_cq_create_set_eq_id3,
14335 &cq_set->u.request, eq->queue_id);
14338 bf_set(lpfc_mbx_cq_create_set_eq_id4,
14339 &cq_set->u.request, eq->queue_id);
14342 bf_set(lpfc_mbx_cq_create_set_eq_id5,
14343 &cq_set->u.request, eq->queue_id);
14346 bf_set(lpfc_mbx_cq_create_set_eq_id6,
14347 &cq_set->u.request, eq->queue_id);
14350 bf_set(lpfc_mbx_cq_create_set_eq_id7,
14351 &cq_set->u.request, eq->queue_id);
14354 bf_set(lpfc_mbx_cq_create_set_eq_id8,
14355 &cq_set->u.request, eq->queue_id);
14358 bf_set(lpfc_mbx_cq_create_set_eq_id9,
14359 &cq_set->u.request, eq->queue_id);
14362 bf_set(lpfc_mbx_cq_create_set_eq_id10,
14363 &cq_set->u.request, eq->queue_id);
14366 bf_set(lpfc_mbx_cq_create_set_eq_id11,
14367 &cq_set->u.request, eq->queue_id);
14370 bf_set(lpfc_mbx_cq_create_set_eq_id12,
14371 &cq_set->u.request, eq->queue_id);
14374 bf_set(lpfc_mbx_cq_create_set_eq_id13,
14375 &cq_set->u.request, eq->queue_id);
14378 bf_set(lpfc_mbx_cq_create_set_eq_id14,
14379 &cq_set->u.request, eq->queue_id);
14382 bf_set(lpfc_mbx_cq_create_set_eq_id15,
14383 &cq_set->u.request, eq->queue_id);
14387 /* link the cq onto the parent eq child list */
14388 list_add_tail(&cq->list, &eq->child_list);
14389 /* Set up completion queue's type and subtype */
14391 cq->subtype = subtype;
14392 cq->assoc_qid = eq->queue_id;
14393 cq->host_index = 0;
14397 list_for_each_entry(dmabuf, &cq->page_list, list) {
14398 memset(dmabuf->virt, 0, hw_page_size);
14399 cnt = page_idx + dmabuf->buffer_tag;
14400 cq_set->u.request.page[cnt].addr_lo =
14401 putPaddrLow(dmabuf->phys);
14402 cq_set->u.request.page[cnt].addr_hi =
14403 putPaddrHigh(dmabuf->phys);
14409 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
14411 /* The IOCTL status is embedded in the mailbox subheader. */
14412 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
14413 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
14414 if (shdr_status || shdr_add_status || rc) {
14415 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14416 "3119 CQ_CREATE_SET mailbox failed with "
14417 "status x%x add_status x%x, mbx status x%x\n",
14418 shdr_status, shdr_add_status, rc);
14422 rc = bf_get(lpfc_mbx_cq_create_set_base_id, &cq_set->u.response);
14423 if (rc == 0xFFFF) {
14428 for (idx = 0; idx < numcq; idx++) {
14430 cq->queue_id = rc + idx;
14434 lpfc_sli4_mbox_cmd_free(phba, mbox);
14439 * lpfc_mq_create_fb_init - Send MCC_CREATE without async events registration
14440 * @phba: HBA structure that indicates port to create a queue on.
14441 * @mq: The queue structure to use to create the mailbox queue.
14442 * @mbox: An allocated pointer to type LPFC_MBOXQ_t
14443 * @cq: The completion queue to associate with this cq.
14445 * This function provides failback (fb) functionality when the
14446 * mq_create_ext fails on older FW generations. It's purpose is identical
14447 * to mq_create_ext otherwise.
14449 * This routine cannot fail as all attributes were previously accessed and
14450 * initialized in mq_create_ext.
14453 lpfc_mq_create_fb_init(struct lpfc_hba *phba, struct lpfc_queue *mq,
14454 LPFC_MBOXQ_t *mbox, struct lpfc_queue *cq)
14456 struct lpfc_mbx_mq_create *mq_create;
14457 struct lpfc_dmabuf *dmabuf;
14460 length = (sizeof(struct lpfc_mbx_mq_create) -
14461 sizeof(struct lpfc_sli4_cfg_mhdr));
14462 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
14463 LPFC_MBOX_OPCODE_MQ_CREATE,
14464 length, LPFC_SLI4_MBX_EMBED);
14465 mq_create = &mbox->u.mqe.un.mq_create;
14466 bf_set(lpfc_mbx_mq_create_num_pages, &mq_create->u.request,
14468 bf_set(lpfc_mq_context_cq_id, &mq_create->u.request.context,
14470 bf_set(lpfc_mq_context_valid, &mq_create->u.request.context, 1);
14471 switch (mq->entry_count) {
14473 bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context,
14474 LPFC_MQ_RING_SIZE_16);
14477 bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context,
14478 LPFC_MQ_RING_SIZE_32);
14481 bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context,
14482 LPFC_MQ_RING_SIZE_64);
14485 bf_set(lpfc_mq_context_ring_size, &mq_create->u.request.context,
14486 LPFC_MQ_RING_SIZE_128);
14489 list_for_each_entry(dmabuf, &mq->page_list, list) {
14490 mq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
14491 putPaddrLow(dmabuf->phys);
14492 mq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
14493 putPaddrHigh(dmabuf->phys);
14498 * lpfc_mq_create - Create a mailbox Queue on the HBA
14499 * @phba: HBA structure that indicates port to create a queue on.
14500 * @mq: The queue structure to use to create the mailbox queue.
14501 * @cq: The completion queue to associate with this cq.
14502 * @subtype: The queue's subtype.
14504 * This function creates a mailbox queue, as detailed in @mq, on a port,
14505 * described by @phba by sending a MQ_CREATE mailbox command to the HBA.
14507 * The @phba struct is used to send mailbox command to HBA. The @cq struct
14508 * is used to get the entry count and entry size that are necessary to
14509 * determine the number of pages to allocate and use for this queue. This
14510 * function will send the MQ_CREATE mailbox command to the HBA to setup the
14511 * mailbox queue. This function is asynchronous and will wait for the mailbox
14512 * command to finish before continuing.
14514 * On success this function will return a zero. If unable to allocate enough
14515 * memory this function will return -ENOMEM. If the queue create mailbox command
14516 * fails this function will return -ENXIO.
14519 lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq,
14520 struct lpfc_queue *cq, uint32_t subtype)
14522 struct lpfc_mbx_mq_create *mq_create;
14523 struct lpfc_mbx_mq_create_ext *mq_create_ext;
14524 struct lpfc_dmabuf *dmabuf;
14525 LPFC_MBOXQ_t *mbox;
14526 int rc, length, status = 0;
14527 uint32_t shdr_status, shdr_add_status;
14528 union lpfc_sli4_cfg_shdr *shdr;
14529 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
14531 /* sanity check on queue memory */
14534 if (!phba->sli4_hba.pc_sli4_params.supported)
14535 hw_page_size = SLI4_PAGE_SIZE;
14537 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
14540 length = (sizeof(struct lpfc_mbx_mq_create_ext) -
14541 sizeof(struct lpfc_sli4_cfg_mhdr));
14542 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
14543 LPFC_MBOX_OPCODE_MQ_CREATE_EXT,
14544 length, LPFC_SLI4_MBX_EMBED);
14546 mq_create_ext = &mbox->u.mqe.un.mq_create_ext;
14547 shdr = (union lpfc_sli4_cfg_shdr *) &mq_create_ext->header.cfg_shdr;
14548 bf_set(lpfc_mbx_mq_create_ext_num_pages,
14549 &mq_create_ext->u.request, mq->page_count);
14550 bf_set(lpfc_mbx_mq_create_ext_async_evt_link,
14551 &mq_create_ext->u.request, 1);
14552 bf_set(lpfc_mbx_mq_create_ext_async_evt_fip,
14553 &mq_create_ext->u.request, 1);
14554 bf_set(lpfc_mbx_mq_create_ext_async_evt_group5,
14555 &mq_create_ext->u.request, 1);
14556 bf_set(lpfc_mbx_mq_create_ext_async_evt_fc,
14557 &mq_create_ext->u.request, 1);
14558 bf_set(lpfc_mbx_mq_create_ext_async_evt_sli,
14559 &mq_create_ext->u.request, 1);
14560 bf_set(lpfc_mq_context_valid, &mq_create_ext->u.request.context, 1);
14561 bf_set(lpfc_mbox_hdr_version, &shdr->request,
14562 phba->sli4_hba.pc_sli4_params.mqv);
14563 if (phba->sli4_hba.pc_sli4_params.mqv == LPFC_Q_CREATE_VERSION_1)
14564 bf_set(lpfc_mbx_mq_create_ext_cq_id, &mq_create_ext->u.request,
14567 bf_set(lpfc_mq_context_cq_id, &mq_create_ext->u.request.context,
14569 switch (mq->entry_count) {
14571 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
14572 "0362 Unsupported MQ count. (%d)\n",
14574 if (mq->entry_count < 16) {
14578 /* otherwise default to smallest count (drop through) */
14580 bf_set(lpfc_mq_context_ring_size,
14581 &mq_create_ext->u.request.context,
14582 LPFC_MQ_RING_SIZE_16);
14585 bf_set(lpfc_mq_context_ring_size,
14586 &mq_create_ext->u.request.context,
14587 LPFC_MQ_RING_SIZE_32);
14590 bf_set(lpfc_mq_context_ring_size,
14591 &mq_create_ext->u.request.context,
14592 LPFC_MQ_RING_SIZE_64);
14595 bf_set(lpfc_mq_context_ring_size,
14596 &mq_create_ext->u.request.context,
14597 LPFC_MQ_RING_SIZE_128);
14600 list_for_each_entry(dmabuf, &mq->page_list, list) {
14601 memset(dmabuf->virt, 0, hw_page_size);
14602 mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_lo =
14603 putPaddrLow(dmabuf->phys);
14604 mq_create_ext->u.request.page[dmabuf->buffer_tag].addr_hi =
14605 putPaddrHigh(dmabuf->phys);
14607 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
14608 mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id,
14609 &mq_create_ext->u.response);
14610 if (rc != MBX_SUCCESS) {
14611 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
14612 "2795 MQ_CREATE_EXT failed with "
14613 "status x%x. Failback to MQ_CREATE.\n",
14615 lpfc_mq_create_fb_init(phba, mq, mbox, cq);
14616 mq_create = &mbox->u.mqe.un.mq_create;
14617 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
14618 shdr = (union lpfc_sli4_cfg_shdr *) &mq_create->header.cfg_shdr;
14619 mq->queue_id = bf_get(lpfc_mbx_mq_create_q_id,
14620 &mq_create->u.response);
14623 /* The IOCTL status is embedded in the mailbox subheader. */
14624 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
14625 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
14626 if (shdr_status || shdr_add_status || rc) {
14627 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14628 "2502 MQ_CREATE mailbox failed with "
14629 "status x%x add_status x%x, mbx status x%x\n",
14630 shdr_status, shdr_add_status, rc);
14634 if (mq->queue_id == 0xFFFF) {
14638 mq->type = LPFC_MQ;
14639 mq->assoc_qid = cq->queue_id;
14640 mq->subtype = subtype;
14641 mq->host_index = 0;
14644 /* link the mq onto the parent cq child list */
14645 list_add_tail(&mq->list, &cq->child_list);
14647 mempool_free(mbox, phba->mbox_mem_pool);
14652 * lpfc_wq_create - Create a Work Queue on the HBA
14653 * @phba: HBA structure that indicates port to create a queue on.
14654 * @wq: The queue structure to use to create the work queue.
14655 * @cq: The completion queue to bind this work queue to.
14656 * @subtype: The subtype of the work queue indicating its functionality.
14658 * This function creates a work queue, as detailed in @wq, on a port, described
14659 * by @phba by sending a WQ_CREATE mailbox command to the HBA.
14661 * The @phba struct is used to send mailbox command to HBA. The @wq struct
14662 * is used to get the entry count and entry size that are necessary to
14663 * determine the number of pages to allocate and use for this queue. The @cq
14664 * is used to indicate which completion queue to bind this work queue to. This
14665 * function will send the WQ_CREATE mailbox command to the HBA to setup the
14666 * work queue. This function is asynchronous and will wait for the mailbox
14667 * command to finish before continuing.
14669 * On success this function will return a zero. If unable to allocate enough
14670 * memory this function will return -ENOMEM. If the queue create mailbox command
14671 * fails this function will return -ENXIO.
14674 lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
14675 struct lpfc_queue *cq, uint32_t subtype)
14677 struct lpfc_mbx_wq_create *wq_create;
14678 struct lpfc_dmabuf *dmabuf;
14679 LPFC_MBOXQ_t *mbox;
14680 int rc, length, status = 0;
14681 uint32_t shdr_status, shdr_add_status;
14682 union lpfc_sli4_cfg_shdr *shdr;
14683 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
14684 struct dma_address *page;
14685 void __iomem *bar_memmap_p;
14686 uint32_t db_offset;
14687 uint16_t pci_barset;
14689 /* sanity check on queue memory */
14692 if (!phba->sli4_hba.pc_sli4_params.supported)
14693 hw_page_size = SLI4_PAGE_SIZE;
14695 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
14698 length = (sizeof(struct lpfc_mbx_wq_create) -
14699 sizeof(struct lpfc_sli4_cfg_mhdr));
14700 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
14701 LPFC_MBOX_OPCODE_FCOE_WQ_CREATE,
14702 length, LPFC_SLI4_MBX_EMBED);
14703 wq_create = &mbox->u.mqe.un.wq_create;
14704 shdr = (union lpfc_sli4_cfg_shdr *) &wq_create->header.cfg_shdr;
14705 bf_set(lpfc_mbx_wq_create_num_pages, &wq_create->u.request,
14707 bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request,
14710 /* wqv is the earliest version supported, NOT the latest */
14711 bf_set(lpfc_mbox_hdr_version, &shdr->request,
14712 phba->sli4_hba.pc_sli4_params.wqv);
14714 switch (phba->sli4_hba.pc_sli4_params.wqv) {
14715 case LPFC_Q_CREATE_VERSION_0:
14716 switch (wq->entry_size) {
14719 /* Nothing to do, version 0 ONLY supports 64 byte */
14720 page = wq_create->u.request.page;
14723 if (!(phba->sli4_hba.pc_sli4_params.wqsize &
14724 LPFC_WQ_SZ128_SUPPORT)) {
14728 /* If we get here the HBA MUST also support V1 and
14731 bf_set(lpfc_mbox_hdr_version, &shdr->request,
14732 LPFC_Q_CREATE_VERSION_1);
14734 bf_set(lpfc_mbx_wq_create_wqe_count,
14735 &wq_create->u.request_1, wq->entry_count);
14736 bf_set(lpfc_mbx_wq_create_wqe_size,
14737 &wq_create->u.request_1,
14738 LPFC_WQ_WQE_SIZE_128);
14739 bf_set(lpfc_mbx_wq_create_page_size,
14740 &wq_create->u.request_1,
14741 LPFC_WQ_PAGE_SIZE_4096);
14742 page = wq_create->u.request_1.page;
14746 case LPFC_Q_CREATE_VERSION_1:
14747 bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1,
14749 bf_set(lpfc_mbox_hdr_version, &shdr->request,
14750 LPFC_Q_CREATE_VERSION_1);
14752 switch (wq->entry_size) {
14755 bf_set(lpfc_mbx_wq_create_wqe_size,
14756 &wq_create->u.request_1,
14757 LPFC_WQ_WQE_SIZE_64);
14760 if (!(phba->sli4_hba.pc_sli4_params.wqsize &
14761 LPFC_WQ_SZ128_SUPPORT)) {
14765 bf_set(lpfc_mbx_wq_create_wqe_size,
14766 &wq_create->u.request_1,
14767 LPFC_WQ_WQE_SIZE_128);
14770 bf_set(lpfc_mbx_wq_create_page_size,
14771 &wq_create->u.request_1,
14772 LPFC_WQ_PAGE_SIZE_4096);
14773 page = wq_create->u.request_1.page;
14780 list_for_each_entry(dmabuf, &wq->page_list, list) {
14781 memset(dmabuf->virt, 0, hw_page_size);
14782 page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys);
14783 page[dmabuf->buffer_tag].addr_hi = putPaddrHigh(dmabuf->phys);
14786 if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE)
14787 bf_set(lpfc_mbx_wq_create_dua, &wq_create->u.request, 1);
14789 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
14790 /* The IOCTL status is embedded in the mailbox subheader. */
14791 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
14792 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
14793 if (shdr_status || shdr_add_status || rc) {
14794 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14795 "2503 WQ_CREATE mailbox failed with "
14796 "status x%x add_status x%x, mbx status x%x\n",
14797 shdr_status, shdr_add_status, rc);
14801 wq->queue_id = bf_get(lpfc_mbx_wq_create_q_id, &wq_create->u.response);
14802 if (wq->queue_id == 0xFFFF) {
14806 if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) {
14807 wq->db_format = bf_get(lpfc_mbx_wq_create_db_format,
14808 &wq_create->u.response);
14809 if ((wq->db_format != LPFC_DB_LIST_FORMAT) &&
14810 (wq->db_format != LPFC_DB_RING_FORMAT)) {
14811 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14812 "3265 WQ[%d] doorbell format not "
14813 "supported: x%x\n", wq->queue_id,
14818 pci_barset = bf_get(lpfc_mbx_wq_create_bar_set,
14819 &wq_create->u.response);
14820 bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset);
14821 if (!bar_memmap_p) {
14822 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14823 "3263 WQ[%d] failed to memmap pci "
14824 "barset:x%x\n", wq->queue_id,
14829 db_offset = wq_create->u.response.doorbell_offset;
14830 if ((db_offset != LPFC_ULP0_WQ_DOORBELL) &&
14831 (db_offset != LPFC_ULP1_WQ_DOORBELL)) {
14832 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
14833 "3252 WQ[%d] doorbell offset not "
14834 "supported: x%x\n", wq->queue_id,
14839 wq->db_regaddr = bar_memmap_p + db_offset;
14840 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
14841 "3264 WQ[%d]: barset:x%x, offset:x%x, "
14842 "format:x%x\n", wq->queue_id, pci_barset,
14843 db_offset, wq->db_format);
14845 wq->db_format = LPFC_DB_LIST_FORMAT;
14846 wq->db_regaddr = phba->sli4_hba.WQDBregaddr;
14848 wq->pring = kzalloc(sizeof(struct lpfc_sli_ring), GFP_KERNEL);
14849 if (wq->pring == NULL) {
14853 wq->type = LPFC_WQ;
14854 wq->assoc_qid = cq->queue_id;
14855 wq->subtype = subtype;
14856 wq->host_index = 0;
14858 wq->entry_repost = LPFC_RELEASE_NOTIFICATION_INTERVAL;
14860 /* link the wq onto the parent cq child list */
14861 list_add_tail(&wq->list, &cq->child_list);
14863 mempool_free(mbox, phba->mbox_mem_pool);
14868 * lpfc_rq_adjust_repost - Adjust entry_repost for an RQ
14869 * @phba: HBA structure that indicates port to create a queue on.
14870 * @rq: The queue structure to use for the receive queue.
14871 * @qno: The associated HBQ number
14874 * For SLI4 we need to adjust the RQ repost value based on
14875 * the number of buffers that are initially posted to the RQ.
14878 lpfc_rq_adjust_repost(struct lpfc_hba *phba, struct lpfc_queue *rq, int qno)
14882 /* sanity check on queue memory */
14885 cnt = lpfc_hbq_defs[qno]->entry_count;
14887 /* Recalc repost for RQs based on buffers initially posted */
14889 if (cnt < LPFC_QUEUE_MIN_REPOST)
14890 cnt = LPFC_QUEUE_MIN_REPOST;
14892 rq->entry_repost = cnt;
14896 * lpfc_rq_create - Create a Receive Queue on the HBA
14897 * @phba: HBA structure that indicates port to create a queue on.
14898 * @hrq: The queue structure to use to create the header receive queue.
14899 * @drq: The queue structure to use to create the data receive queue.
14900 * @cq: The completion queue to bind this work queue to.
14902 * This function creates a receive buffer queue pair , as detailed in @hrq and
14903 * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command
14906 * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq
14907 * struct is used to get the entry count that is necessary to determine the
14908 * number of pages to use for this queue. The @cq is used to indicate which
14909 * completion queue to bind received buffers that are posted to these queues to.
14910 * This function will send the RQ_CREATE mailbox command to the HBA to setup the
14911 * receive queue pair. This function is asynchronous and will wait for the
14912 * mailbox command to finish before continuing.
14914 * On success this function will return a zero. If unable to allocate enough
14915 * memory this function will return -ENOMEM. If the queue create mailbox command
14916 * fails this function will return -ENXIO.
14919 lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq,
14920 struct lpfc_queue *drq, struct lpfc_queue *cq, uint32_t subtype)
14922 struct lpfc_mbx_rq_create *rq_create;
14923 struct lpfc_dmabuf *dmabuf;
14924 LPFC_MBOXQ_t *mbox;
14925 int rc, length, status = 0;
14926 uint32_t shdr_status, shdr_add_status;
14927 union lpfc_sli4_cfg_shdr *shdr;
14928 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
14929 void __iomem *bar_memmap_p;
14930 uint32_t db_offset;
14931 uint16_t pci_barset;
14933 /* sanity check on queue memory */
14934 if (!hrq || !drq || !cq)
14936 if (!phba->sli4_hba.pc_sli4_params.supported)
14937 hw_page_size = SLI4_PAGE_SIZE;
14939 if (hrq->entry_count != drq->entry_count)
14941 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
14944 length = (sizeof(struct lpfc_mbx_rq_create) -
14945 sizeof(struct lpfc_sli4_cfg_mhdr));
14946 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
14947 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE,
14948 length, LPFC_SLI4_MBX_EMBED);
14949 rq_create = &mbox->u.mqe.un.rq_create;
14950 shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr;
14951 bf_set(lpfc_mbox_hdr_version, &shdr->request,
14952 phba->sli4_hba.pc_sli4_params.rqv);
14953 if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) {
14954 bf_set(lpfc_rq_context_rqe_count_1,
14955 &rq_create->u.request.context,
14957 rq_create->u.request.context.buffer_size = LPFC_HDR_BUF_SIZE;
14958 bf_set(lpfc_rq_context_rqe_size,
14959 &rq_create->u.request.context,
14961 bf_set(lpfc_rq_context_page_size,
14962 &rq_create->u.request.context,
14963 LPFC_RQ_PAGE_SIZE_4096);
14965 switch (hrq->entry_count) {
14967 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
14968 "2535 Unsupported RQ count. (%d)\n",
14970 if (hrq->entry_count < 512) {
14974 /* otherwise default to smallest count (drop through) */
14976 bf_set(lpfc_rq_context_rqe_count,
14977 &rq_create->u.request.context,
14978 LPFC_RQ_RING_SIZE_512);
14981 bf_set(lpfc_rq_context_rqe_count,
14982 &rq_create->u.request.context,
14983 LPFC_RQ_RING_SIZE_1024);
14986 bf_set(lpfc_rq_context_rqe_count,
14987 &rq_create->u.request.context,
14988 LPFC_RQ_RING_SIZE_2048);
14991 bf_set(lpfc_rq_context_rqe_count,
14992 &rq_create->u.request.context,
14993 LPFC_RQ_RING_SIZE_4096);
14996 bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context,
14997 LPFC_HDR_BUF_SIZE);
14999 bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context,
15001 bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request,
15003 list_for_each_entry(dmabuf, &hrq->page_list, list) {
15004 memset(dmabuf->virt, 0, hw_page_size);
15005 rq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
15006 putPaddrLow(dmabuf->phys);
15007 rq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
15008 putPaddrHigh(dmabuf->phys);
15010 if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE)
15011 bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1);
15013 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
15014 /* The IOCTL status is embedded in the mailbox subheader. */
15015 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15016 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15017 if (shdr_status || shdr_add_status || rc) {
15018 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15019 "2504 RQ_CREATE mailbox failed with "
15020 "status x%x add_status x%x, mbx status x%x\n",
15021 shdr_status, shdr_add_status, rc);
15025 hrq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response);
15026 if (hrq->queue_id == 0xFFFF) {
15031 if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE) {
15032 hrq->db_format = bf_get(lpfc_mbx_rq_create_db_format,
15033 &rq_create->u.response);
15034 if ((hrq->db_format != LPFC_DB_LIST_FORMAT) &&
15035 (hrq->db_format != LPFC_DB_RING_FORMAT)) {
15036 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15037 "3262 RQ [%d] doorbell format not "
15038 "supported: x%x\n", hrq->queue_id,
15044 pci_barset = bf_get(lpfc_mbx_rq_create_bar_set,
15045 &rq_create->u.response);
15046 bar_memmap_p = lpfc_dual_chute_pci_bar_map(phba, pci_barset);
15047 if (!bar_memmap_p) {
15048 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15049 "3269 RQ[%d] failed to memmap pci "
15050 "barset:x%x\n", hrq->queue_id,
15056 db_offset = rq_create->u.response.doorbell_offset;
15057 if ((db_offset != LPFC_ULP0_RQ_DOORBELL) &&
15058 (db_offset != LPFC_ULP1_RQ_DOORBELL)) {
15059 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15060 "3270 RQ[%d] doorbell offset not "
15061 "supported: x%x\n", hrq->queue_id,
15066 hrq->db_regaddr = bar_memmap_p + db_offset;
15067 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
15068 "3266 RQ[qid:%d]: barset:x%x, offset:x%x, "
15069 "format:x%x\n", hrq->queue_id, pci_barset,
15070 db_offset, hrq->db_format);
15072 hrq->db_format = LPFC_DB_RING_FORMAT;
15073 hrq->db_regaddr = phba->sli4_hba.RQDBregaddr;
15075 hrq->type = LPFC_HRQ;
15076 hrq->assoc_qid = cq->queue_id;
15077 hrq->subtype = subtype;
15078 hrq->host_index = 0;
15079 hrq->hba_index = 0;
15081 /* now create the data queue */
15082 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
15083 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE,
15084 length, LPFC_SLI4_MBX_EMBED);
15085 bf_set(lpfc_mbox_hdr_version, &shdr->request,
15086 phba->sli4_hba.pc_sli4_params.rqv);
15087 if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) {
15088 bf_set(lpfc_rq_context_rqe_count_1,
15089 &rq_create->u.request.context, hrq->entry_count);
15090 rq_create->u.request.context.buffer_size = LPFC_DATA_BUF_SIZE;
15091 bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context,
15093 bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context,
15094 (PAGE_SIZE/SLI4_PAGE_SIZE));
15096 switch (drq->entry_count) {
15098 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
15099 "2536 Unsupported RQ count. (%d)\n",
15101 if (drq->entry_count < 512) {
15105 /* otherwise default to smallest count (drop through) */
15107 bf_set(lpfc_rq_context_rqe_count,
15108 &rq_create->u.request.context,
15109 LPFC_RQ_RING_SIZE_512);
15112 bf_set(lpfc_rq_context_rqe_count,
15113 &rq_create->u.request.context,
15114 LPFC_RQ_RING_SIZE_1024);
15117 bf_set(lpfc_rq_context_rqe_count,
15118 &rq_create->u.request.context,
15119 LPFC_RQ_RING_SIZE_2048);
15122 bf_set(lpfc_rq_context_rqe_count,
15123 &rq_create->u.request.context,
15124 LPFC_RQ_RING_SIZE_4096);
15127 bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context,
15128 LPFC_DATA_BUF_SIZE);
15130 bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context,
15132 bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request,
15134 list_for_each_entry(dmabuf, &drq->page_list, list) {
15135 rq_create->u.request.page[dmabuf->buffer_tag].addr_lo =
15136 putPaddrLow(dmabuf->phys);
15137 rq_create->u.request.page[dmabuf->buffer_tag].addr_hi =
15138 putPaddrHigh(dmabuf->phys);
15140 if (phba->sli4_hba.fw_func_mode & LPFC_DUA_MODE)
15141 bf_set(lpfc_mbx_rq_create_dua, &rq_create->u.request, 1);
15142 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
15143 /* The IOCTL status is embedded in the mailbox subheader. */
15144 shdr = (union lpfc_sli4_cfg_shdr *) &rq_create->header.cfg_shdr;
15145 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15146 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15147 if (shdr_status || shdr_add_status || rc) {
15151 drq->queue_id = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response);
15152 if (drq->queue_id == 0xFFFF) {
15156 drq->type = LPFC_DRQ;
15157 drq->assoc_qid = cq->queue_id;
15158 drq->subtype = subtype;
15159 drq->host_index = 0;
15160 drq->hba_index = 0;
15162 /* link the header and data RQs onto the parent cq child list */
15163 list_add_tail(&hrq->list, &cq->child_list);
15164 list_add_tail(&drq->list, &cq->child_list);
15167 mempool_free(mbox, phba->mbox_mem_pool);
15172 * lpfc_mrq_create - Create MRQ Receive Queues on the HBA
15173 * @phba: HBA structure that indicates port to create a queue on.
15174 * @hrqp: The queue structure array to use to create the header receive queues.
15175 * @drqp: The queue structure array to use to create the data receive queues.
15176 * @cqp: The completion queue array to bind these receive queues to.
15178 * This function creates a receive buffer queue pair , as detailed in @hrq and
15179 * @drq, on a port, described by @phba by sending a RQ_CREATE mailbox command
15182 * The @phba struct is used to send mailbox command to HBA. The @drq and @hrq
15183 * struct is used to get the entry count that is necessary to determine the
15184 * number of pages to use for this queue. The @cq is used to indicate which
15185 * completion queue to bind received buffers that are posted to these queues to.
15186 * This function will send the RQ_CREATE mailbox command to the HBA to setup the
15187 * receive queue pair. This function is asynchronous and will wait for the
15188 * mailbox command to finish before continuing.
15190 * On success this function will return a zero. If unable to allocate enough
15191 * memory this function will return -ENOMEM. If the queue create mailbox command
15192 * fails this function will return -ENXIO.
15195 lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
15196 struct lpfc_queue **drqp, struct lpfc_queue **cqp,
15199 struct lpfc_queue *hrq, *drq, *cq;
15200 struct lpfc_mbx_rq_create_v2 *rq_create;
15201 struct lpfc_dmabuf *dmabuf;
15202 LPFC_MBOXQ_t *mbox;
15203 int rc, length, alloclen, status = 0;
15204 int cnt, idx, numrq, page_idx = 0;
15205 uint32_t shdr_status, shdr_add_status;
15206 union lpfc_sli4_cfg_shdr *shdr;
15207 uint32_t hw_page_size = phba->sli4_hba.pc_sli4_params.if_page_sz;
15209 numrq = phba->cfg_nvmet_mrq;
15210 /* sanity check on array memory */
15211 if (!hrqp || !drqp || !cqp || !numrq)
15213 if (!phba->sli4_hba.pc_sli4_params.supported)
15214 hw_page_size = SLI4_PAGE_SIZE;
15216 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
15220 length = sizeof(struct lpfc_mbx_rq_create_v2);
15221 length += ((2 * numrq * hrqp[0]->page_count) *
15222 sizeof(struct dma_address));
15224 alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
15225 LPFC_MBOX_OPCODE_FCOE_RQ_CREATE, length,
15226 LPFC_SLI4_MBX_NEMBED);
15227 if (alloclen < length) {
15228 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
15229 "3099 Allocated DMA memory size (%d) is "
15230 "less than the requested DMA memory size "
15231 "(%d)\n", alloclen, length);
15238 rq_create = mbox->sge_array->addr[0];
15239 shdr = (union lpfc_sli4_cfg_shdr *)&rq_create->cfg_shdr;
15241 bf_set(lpfc_mbox_hdr_version, &shdr->request, LPFC_Q_CREATE_VERSION_2);
15244 for (idx = 0; idx < numrq; idx++) {
15249 /* sanity check on queue memory */
15250 if (!hrq || !drq || !cq) {
15255 if (hrq->entry_count != drq->entry_count) {
15261 bf_set(lpfc_mbx_rq_create_num_pages,
15262 &rq_create->u.request,
15264 bf_set(lpfc_mbx_rq_create_rq_cnt,
15265 &rq_create->u.request, (numrq * 2));
15266 bf_set(lpfc_mbx_rq_create_dnb, &rq_create->u.request,
15268 bf_set(lpfc_rq_context_base_cq,
15269 &rq_create->u.request.context,
15271 bf_set(lpfc_rq_context_data_size,
15272 &rq_create->u.request.context,
15273 LPFC_DATA_BUF_SIZE);
15274 bf_set(lpfc_rq_context_hdr_size,
15275 &rq_create->u.request.context,
15276 LPFC_HDR_BUF_SIZE);
15277 bf_set(lpfc_rq_context_rqe_count_1,
15278 &rq_create->u.request.context,
15280 bf_set(lpfc_rq_context_rqe_size,
15281 &rq_create->u.request.context,
15283 bf_set(lpfc_rq_context_page_size,
15284 &rq_create->u.request.context,
15285 (PAGE_SIZE/SLI4_PAGE_SIZE));
15288 list_for_each_entry(dmabuf, &hrq->page_list, list) {
15289 memset(dmabuf->virt, 0, hw_page_size);
15290 cnt = page_idx + dmabuf->buffer_tag;
15291 rq_create->u.request.page[cnt].addr_lo =
15292 putPaddrLow(dmabuf->phys);
15293 rq_create->u.request.page[cnt].addr_hi =
15294 putPaddrHigh(dmabuf->phys);
15300 list_for_each_entry(dmabuf, &drq->page_list, list) {
15301 memset(dmabuf->virt, 0, hw_page_size);
15302 cnt = page_idx + dmabuf->buffer_tag;
15303 rq_create->u.request.page[cnt].addr_lo =
15304 putPaddrLow(dmabuf->phys);
15305 rq_create->u.request.page[cnt].addr_hi =
15306 putPaddrHigh(dmabuf->phys);
15311 hrq->db_format = LPFC_DB_RING_FORMAT;
15312 hrq->db_regaddr = phba->sli4_hba.RQDBregaddr;
15313 hrq->type = LPFC_HRQ;
15314 hrq->assoc_qid = cq->queue_id;
15315 hrq->subtype = subtype;
15316 hrq->host_index = 0;
15317 hrq->hba_index = 0;
15319 drq->db_format = LPFC_DB_RING_FORMAT;
15320 drq->db_regaddr = phba->sli4_hba.RQDBregaddr;
15321 drq->type = LPFC_DRQ;
15322 drq->assoc_qid = cq->queue_id;
15323 drq->subtype = subtype;
15324 drq->host_index = 0;
15325 drq->hba_index = 0;
15327 list_add_tail(&hrq->list, &cq->child_list);
15328 list_add_tail(&drq->list, &cq->child_list);
15331 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
15332 /* The IOCTL status is embedded in the mailbox subheader. */
15333 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15334 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15335 if (shdr_status || shdr_add_status || rc) {
15336 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15337 "3120 RQ_CREATE mailbox failed with "
15338 "status x%x add_status x%x, mbx status x%x\n",
15339 shdr_status, shdr_add_status, rc);
15343 rc = bf_get(lpfc_mbx_rq_create_q_id, &rq_create->u.response);
15344 if (rc == 0xFFFF) {
15349 /* Initialize all RQs with associated queue id */
15350 for (idx = 0; idx < numrq; idx++) {
15352 hrq->queue_id = rc + (2 * idx);
15354 drq->queue_id = rc + (2 * idx) + 1;
15358 lpfc_sli4_mbox_cmd_free(phba, mbox);
15363 * lpfc_eq_destroy - Destroy an event Queue on the HBA
15364 * @eq: The queue structure associated with the queue to destroy.
15366 * This function destroys a queue, as detailed in @eq by sending an mailbox
15367 * command, specific to the type of queue, to the HBA.
15369 * The @eq struct is used to get the queue ID of the queue to destroy.
15371 * On success this function will return a zero. If the queue destroy mailbox
15372 * command fails this function will return -ENXIO.
15375 lpfc_eq_destroy(struct lpfc_hba *phba, struct lpfc_queue *eq)
15377 LPFC_MBOXQ_t *mbox;
15378 int rc, length, status = 0;
15379 uint32_t shdr_status, shdr_add_status;
15380 union lpfc_sli4_cfg_shdr *shdr;
15382 /* sanity check on queue memory */
15385 mbox = mempool_alloc(eq->phba->mbox_mem_pool, GFP_KERNEL);
15388 length = (sizeof(struct lpfc_mbx_eq_destroy) -
15389 sizeof(struct lpfc_sli4_cfg_mhdr));
15390 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
15391 LPFC_MBOX_OPCODE_EQ_DESTROY,
15392 length, LPFC_SLI4_MBX_EMBED);
15393 bf_set(lpfc_mbx_eq_destroy_q_id, &mbox->u.mqe.un.eq_destroy.u.request,
15395 mbox->vport = eq->phba->pport;
15396 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
15398 rc = lpfc_sli_issue_mbox(eq->phba, mbox, MBX_POLL);
15399 /* The IOCTL status is embedded in the mailbox subheader. */
15400 shdr = (union lpfc_sli4_cfg_shdr *)
15401 &mbox->u.mqe.un.eq_destroy.header.cfg_shdr;
15402 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15403 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15404 if (shdr_status || shdr_add_status || rc) {
15405 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15406 "2505 EQ_DESTROY mailbox failed with "
15407 "status x%x add_status x%x, mbx status x%x\n",
15408 shdr_status, shdr_add_status, rc);
15412 /* Remove eq from any list */
15413 list_del_init(&eq->list);
15414 mempool_free(mbox, eq->phba->mbox_mem_pool);
15419 * lpfc_cq_destroy - Destroy a Completion Queue on the HBA
15420 * @cq: The queue structure associated with the queue to destroy.
15422 * This function destroys a queue, as detailed in @cq by sending an mailbox
15423 * command, specific to the type of queue, to the HBA.
15425 * The @cq struct is used to get the queue ID of the queue to destroy.
15427 * On success this function will return a zero. If the queue destroy mailbox
15428 * command fails this function will return -ENXIO.
15431 lpfc_cq_destroy(struct lpfc_hba *phba, struct lpfc_queue *cq)
15433 LPFC_MBOXQ_t *mbox;
15434 int rc, length, status = 0;
15435 uint32_t shdr_status, shdr_add_status;
15436 union lpfc_sli4_cfg_shdr *shdr;
15438 /* sanity check on queue memory */
15441 mbox = mempool_alloc(cq->phba->mbox_mem_pool, GFP_KERNEL);
15444 length = (sizeof(struct lpfc_mbx_cq_destroy) -
15445 sizeof(struct lpfc_sli4_cfg_mhdr));
15446 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
15447 LPFC_MBOX_OPCODE_CQ_DESTROY,
15448 length, LPFC_SLI4_MBX_EMBED);
15449 bf_set(lpfc_mbx_cq_destroy_q_id, &mbox->u.mqe.un.cq_destroy.u.request,
15451 mbox->vport = cq->phba->pport;
15452 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
15453 rc = lpfc_sli_issue_mbox(cq->phba, mbox, MBX_POLL);
15454 /* The IOCTL status is embedded in the mailbox subheader. */
15455 shdr = (union lpfc_sli4_cfg_shdr *)
15456 &mbox->u.mqe.un.wq_create.header.cfg_shdr;
15457 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15458 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15459 if (shdr_status || shdr_add_status || rc) {
15460 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15461 "2506 CQ_DESTROY mailbox failed with "
15462 "status x%x add_status x%x, mbx status x%x\n",
15463 shdr_status, shdr_add_status, rc);
15466 /* Remove cq from any list */
15467 list_del_init(&cq->list);
15468 mempool_free(mbox, cq->phba->mbox_mem_pool);
15473 * lpfc_mq_destroy - Destroy a Mailbox Queue on the HBA
15474 * @qm: The queue structure associated with the queue to destroy.
15476 * This function destroys a queue, as detailed in @mq by sending an mailbox
15477 * command, specific to the type of queue, to the HBA.
15479 * The @mq struct is used to get the queue ID of the queue to destroy.
15481 * On success this function will return a zero. If the queue destroy mailbox
15482 * command fails this function will return -ENXIO.
15485 lpfc_mq_destroy(struct lpfc_hba *phba, struct lpfc_queue *mq)
15487 LPFC_MBOXQ_t *mbox;
15488 int rc, length, status = 0;
15489 uint32_t shdr_status, shdr_add_status;
15490 union lpfc_sli4_cfg_shdr *shdr;
15492 /* sanity check on queue memory */
15495 mbox = mempool_alloc(mq->phba->mbox_mem_pool, GFP_KERNEL);
15498 length = (sizeof(struct lpfc_mbx_mq_destroy) -
15499 sizeof(struct lpfc_sli4_cfg_mhdr));
15500 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
15501 LPFC_MBOX_OPCODE_MQ_DESTROY,
15502 length, LPFC_SLI4_MBX_EMBED);
15503 bf_set(lpfc_mbx_mq_destroy_q_id, &mbox->u.mqe.un.mq_destroy.u.request,
15505 mbox->vport = mq->phba->pport;
15506 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
15507 rc = lpfc_sli_issue_mbox(mq->phba, mbox, MBX_POLL);
15508 /* The IOCTL status is embedded in the mailbox subheader. */
15509 shdr = (union lpfc_sli4_cfg_shdr *)
15510 &mbox->u.mqe.un.mq_destroy.header.cfg_shdr;
15511 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15512 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15513 if (shdr_status || shdr_add_status || rc) {
15514 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15515 "2507 MQ_DESTROY mailbox failed with "
15516 "status x%x add_status x%x, mbx status x%x\n",
15517 shdr_status, shdr_add_status, rc);
15520 /* Remove mq from any list */
15521 list_del_init(&mq->list);
15522 mempool_free(mbox, mq->phba->mbox_mem_pool);
15527 * lpfc_wq_destroy - Destroy a Work Queue on the HBA
15528 * @wq: The queue structure associated with the queue to destroy.
15530 * This function destroys a queue, as detailed in @wq by sending an mailbox
15531 * command, specific to the type of queue, to the HBA.
15533 * The @wq struct is used to get the queue ID of the queue to destroy.
15535 * On success this function will return a zero. If the queue destroy mailbox
15536 * command fails this function will return -ENXIO.
15539 lpfc_wq_destroy(struct lpfc_hba *phba, struct lpfc_queue *wq)
15541 LPFC_MBOXQ_t *mbox;
15542 int rc, length, status = 0;
15543 uint32_t shdr_status, shdr_add_status;
15544 union lpfc_sli4_cfg_shdr *shdr;
15546 /* sanity check on queue memory */
15549 mbox = mempool_alloc(wq->phba->mbox_mem_pool, GFP_KERNEL);
15552 length = (sizeof(struct lpfc_mbx_wq_destroy) -
15553 sizeof(struct lpfc_sli4_cfg_mhdr));
15554 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
15555 LPFC_MBOX_OPCODE_FCOE_WQ_DESTROY,
15556 length, LPFC_SLI4_MBX_EMBED);
15557 bf_set(lpfc_mbx_wq_destroy_q_id, &mbox->u.mqe.un.wq_destroy.u.request,
15559 mbox->vport = wq->phba->pport;
15560 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
15561 rc = lpfc_sli_issue_mbox(wq->phba, mbox, MBX_POLL);
15562 shdr = (union lpfc_sli4_cfg_shdr *)
15563 &mbox->u.mqe.un.wq_destroy.header.cfg_shdr;
15564 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15565 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15566 if (shdr_status || shdr_add_status || rc) {
15567 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15568 "2508 WQ_DESTROY mailbox failed with "
15569 "status x%x add_status x%x, mbx status x%x\n",
15570 shdr_status, shdr_add_status, rc);
15573 /* Remove wq from any list */
15574 list_del_init(&wq->list);
15577 mempool_free(mbox, wq->phba->mbox_mem_pool);
15582 * lpfc_rq_destroy - Destroy a Receive Queue on the HBA
15583 * @rq: The queue structure associated with the queue to destroy.
15585 * This function destroys a queue, as detailed in @rq by sending an mailbox
15586 * command, specific to the type of queue, to the HBA.
15588 * The @rq struct is used to get the queue ID of the queue to destroy.
15590 * On success this function will return a zero. If the queue destroy mailbox
15591 * command fails this function will return -ENXIO.
15594 lpfc_rq_destroy(struct lpfc_hba *phba, struct lpfc_queue *hrq,
15595 struct lpfc_queue *drq)
15597 LPFC_MBOXQ_t *mbox;
15598 int rc, length, status = 0;
15599 uint32_t shdr_status, shdr_add_status;
15600 union lpfc_sli4_cfg_shdr *shdr;
15602 /* sanity check on queue memory */
15605 mbox = mempool_alloc(hrq->phba->mbox_mem_pool, GFP_KERNEL);
15608 length = (sizeof(struct lpfc_mbx_rq_destroy) -
15609 sizeof(struct lpfc_sli4_cfg_mhdr));
15610 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
15611 LPFC_MBOX_OPCODE_FCOE_RQ_DESTROY,
15612 length, LPFC_SLI4_MBX_EMBED);
15613 bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request,
15615 mbox->vport = hrq->phba->pport;
15616 mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
15617 rc = lpfc_sli_issue_mbox(hrq->phba, mbox, MBX_POLL);
15618 /* The IOCTL status is embedded in the mailbox subheader. */
15619 shdr = (union lpfc_sli4_cfg_shdr *)
15620 &mbox->u.mqe.un.rq_destroy.header.cfg_shdr;
15621 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15622 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15623 if (shdr_status || shdr_add_status || rc) {
15624 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15625 "2509 RQ_DESTROY mailbox failed with "
15626 "status x%x add_status x%x, mbx status x%x\n",
15627 shdr_status, shdr_add_status, rc);
15628 if (rc != MBX_TIMEOUT)
15629 mempool_free(mbox, hrq->phba->mbox_mem_pool);
15632 bf_set(lpfc_mbx_rq_destroy_q_id, &mbox->u.mqe.un.rq_destroy.u.request,
15634 rc = lpfc_sli_issue_mbox(drq->phba, mbox, MBX_POLL);
15635 shdr = (union lpfc_sli4_cfg_shdr *)
15636 &mbox->u.mqe.un.rq_destroy.header.cfg_shdr;
15637 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15638 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15639 if (shdr_status || shdr_add_status || rc) {
15640 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15641 "2510 RQ_DESTROY mailbox failed with "
15642 "status x%x add_status x%x, mbx status x%x\n",
15643 shdr_status, shdr_add_status, rc);
15646 list_del_init(&hrq->list);
15647 list_del_init(&drq->list);
15648 mempool_free(mbox, hrq->phba->mbox_mem_pool);
15653 * lpfc_sli4_post_sgl - Post scatter gather list for an XRI to HBA
15654 * @phba: The virtual port for which this call being executed.
15655 * @pdma_phys_addr0: Physical address of the 1st SGL page.
15656 * @pdma_phys_addr1: Physical address of the 2nd SGL page.
15657 * @xritag: the xritag that ties this io to the SGL pages.
15659 * This routine will post the sgl pages for the IO that has the xritag
15660 * that is in the iocbq structure. The xritag is assigned during iocbq
15661 * creation and persists for as long as the driver is loaded.
15662 * if the caller has fewer than 256 scatter gather segments to map then
15663 * pdma_phys_addr1 should be 0.
15664 * If the caller needs to map more than 256 scatter gather segment then
15665 * pdma_phys_addr1 should be a valid physical address.
15666 * physical address for SGLs must be 64 byte aligned.
15667 * If you are going to map 2 SGL's then the first one must have 256 entries
15668 * the second sgl can have between 1 and 256 entries.
15672 * -ENXIO, -ENOMEM - Failure
15675 lpfc_sli4_post_sgl(struct lpfc_hba *phba,
15676 dma_addr_t pdma_phys_addr0,
15677 dma_addr_t pdma_phys_addr1,
15680 struct lpfc_mbx_post_sgl_pages *post_sgl_pages;
15681 LPFC_MBOXQ_t *mbox;
15683 uint32_t shdr_status, shdr_add_status;
15685 union lpfc_sli4_cfg_shdr *shdr;
15687 if (xritag == NO_XRI) {
15688 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
15689 "0364 Invalid param:\n");
15693 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
15697 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
15698 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES,
15699 sizeof(struct lpfc_mbx_post_sgl_pages) -
15700 sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED);
15702 post_sgl_pages = (struct lpfc_mbx_post_sgl_pages *)
15703 &mbox->u.mqe.un.post_sgl_pages;
15704 bf_set(lpfc_post_sgl_pages_xri, post_sgl_pages, xritag);
15705 bf_set(lpfc_post_sgl_pages_xricnt, post_sgl_pages, 1);
15707 post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_lo =
15708 cpu_to_le32(putPaddrLow(pdma_phys_addr0));
15709 post_sgl_pages->sgl_pg_pairs[0].sgl_pg0_addr_hi =
15710 cpu_to_le32(putPaddrHigh(pdma_phys_addr0));
15712 post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_lo =
15713 cpu_to_le32(putPaddrLow(pdma_phys_addr1));
15714 post_sgl_pages->sgl_pg_pairs[0].sgl_pg1_addr_hi =
15715 cpu_to_le32(putPaddrHigh(pdma_phys_addr1));
15716 if (!phba->sli4_hba.intr_enable)
15717 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
15719 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
15720 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
15722 /* The IOCTL status is embedded in the mailbox subheader. */
15723 shdr = (union lpfc_sli4_cfg_shdr *) &post_sgl_pages->header.cfg_shdr;
15724 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15725 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15726 if (rc != MBX_TIMEOUT)
15727 mempool_free(mbox, phba->mbox_mem_pool);
15728 if (shdr_status || shdr_add_status || rc) {
15729 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15730 "2511 POST_SGL mailbox failed with "
15731 "status x%x add_status x%x, mbx status x%x\n",
15732 shdr_status, shdr_add_status, rc);
15738 * lpfc_sli4_alloc_xri - Get an available rpi in the device's range
15739 * @phba: pointer to lpfc hba data structure.
15741 * This routine is invoked to post rpi header templates to the
15742 * HBA consistent with the SLI-4 interface spec. This routine
15743 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
15744 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
15747 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
15748 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
15751 lpfc_sli4_alloc_xri(struct lpfc_hba *phba)
15756 * Fetch the next logical xri. Because this index is logical,
15757 * the driver starts at 0 each time.
15759 spin_lock_irq(&phba->hbalock);
15760 xri = find_next_zero_bit(phba->sli4_hba.xri_bmask,
15761 phba->sli4_hba.max_cfg_param.max_xri, 0);
15762 if (xri >= phba->sli4_hba.max_cfg_param.max_xri) {
15763 spin_unlock_irq(&phba->hbalock);
15766 set_bit(xri, phba->sli4_hba.xri_bmask);
15767 phba->sli4_hba.max_cfg_param.xri_used++;
15769 spin_unlock_irq(&phba->hbalock);
15774 * lpfc_sli4_free_xri - Release an xri for reuse.
15775 * @phba: pointer to lpfc hba data structure.
15777 * This routine is invoked to release an xri to the pool of
15778 * available rpis maintained by the driver.
15781 __lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri)
15783 if (test_and_clear_bit(xri, phba->sli4_hba.xri_bmask)) {
15784 phba->sli4_hba.max_cfg_param.xri_used--;
15789 * lpfc_sli4_free_xri - Release an xri for reuse.
15790 * @phba: pointer to lpfc hba data structure.
15792 * This routine is invoked to release an xri to the pool of
15793 * available rpis maintained by the driver.
15796 lpfc_sli4_free_xri(struct lpfc_hba *phba, int xri)
15798 spin_lock_irq(&phba->hbalock);
15799 __lpfc_sli4_free_xri(phba, xri);
15800 spin_unlock_irq(&phba->hbalock);
15804 * lpfc_sli4_next_xritag - Get an xritag for the io
15805 * @phba: Pointer to HBA context object.
15807 * This function gets an xritag for the iocb. If there is no unused xritag
15808 * it will return 0xffff.
15809 * The function returns the allocated xritag if successful, else returns zero.
15810 * Zero is not a valid xritag.
15811 * The caller is not required to hold any lock.
15814 lpfc_sli4_next_xritag(struct lpfc_hba *phba)
15816 uint16_t xri_index;
15818 xri_index = lpfc_sli4_alloc_xri(phba);
15819 if (xri_index == NO_XRI)
15820 lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
15821 "2004 Failed to allocate XRI.last XRITAG is %d"
15822 " Max XRI is %d, Used XRI is %d\n",
15824 phba->sli4_hba.max_cfg_param.max_xri,
15825 phba->sli4_hba.max_cfg_param.xri_used);
15830 * lpfc_sli4_post_sgl_list - post a block of ELS sgls to the port.
15831 * @phba: pointer to lpfc hba data structure.
15832 * @post_sgl_list: pointer to els sgl entry list.
15833 * @count: number of els sgl entries on the list.
15835 * This routine is invoked to post a block of driver's sgl pages to the
15836 * HBA using non-embedded mailbox command. No Lock is held. This routine
15837 * is only called when the driver is loading and after all IO has been
15841 lpfc_sli4_post_sgl_list(struct lpfc_hba *phba,
15842 struct list_head *post_sgl_list,
15845 struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
15846 struct lpfc_mbx_post_uembed_sgl_page1 *sgl;
15847 struct sgl_page_pairs *sgl_pg_pairs;
15849 LPFC_MBOXQ_t *mbox;
15850 uint32_t reqlen, alloclen, pg_pairs;
15852 uint16_t xritag_start = 0;
15854 uint32_t shdr_status, shdr_add_status;
15855 union lpfc_sli4_cfg_shdr *shdr;
15857 reqlen = post_cnt * sizeof(struct sgl_page_pairs) +
15858 sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t);
15859 if (reqlen > SLI4_PAGE_SIZE) {
15860 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15861 "2559 Block sgl registration required DMA "
15862 "size (%d) great than a page\n", reqlen);
15866 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
15870 /* Allocate DMA memory and set up the non-embedded mailbox command */
15871 alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
15872 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen,
15873 LPFC_SLI4_MBX_NEMBED);
15875 if (alloclen < reqlen) {
15876 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15877 "0285 Allocated DMA memory size (%d) is "
15878 "less than the requested DMA memory "
15879 "size (%d)\n", alloclen, reqlen);
15880 lpfc_sli4_mbox_cmd_free(phba, mbox);
15883 /* Set up the SGL pages in the non-embedded DMA pages */
15884 viraddr = mbox->sge_array->addr[0];
15885 sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr;
15886 sgl_pg_pairs = &sgl->sgl_pg_pairs;
15889 list_for_each_entry_safe(sglq_entry, sglq_next, post_sgl_list, list) {
15890 /* Set up the sge entry */
15891 sgl_pg_pairs->sgl_pg0_addr_lo =
15892 cpu_to_le32(putPaddrLow(sglq_entry->phys));
15893 sgl_pg_pairs->sgl_pg0_addr_hi =
15894 cpu_to_le32(putPaddrHigh(sglq_entry->phys));
15895 sgl_pg_pairs->sgl_pg1_addr_lo =
15896 cpu_to_le32(putPaddrLow(0));
15897 sgl_pg_pairs->sgl_pg1_addr_hi =
15898 cpu_to_le32(putPaddrHigh(0));
15900 /* Keep the first xritag on the list */
15902 xritag_start = sglq_entry->sli4_xritag;
15907 /* Complete initialization and perform endian conversion. */
15908 bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start);
15909 bf_set(lpfc_post_sgl_pages_xricnt, sgl, post_cnt);
15910 sgl->word0 = cpu_to_le32(sgl->word0);
15912 if (!phba->sli4_hba.intr_enable)
15913 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
15915 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
15916 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
15918 shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr;
15919 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
15920 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
15921 if (rc != MBX_TIMEOUT)
15922 lpfc_sli4_mbox_cmd_free(phba, mbox);
15923 if (shdr_status || shdr_add_status || rc) {
15924 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
15925 "2513 POST_SGL_BLOCK mailbox command failed "
15926 "status x%x add_status x%x mbx status x%x\n",
15927 shdr_status, shdr_add_status, rc);
15934 * lpfc_sli4_post_scsi_sgl_block - post a block of scsi sgl list to firmware
15935 * @phba: pointer to lpfc hba data structure.
15936 * @sblist: pointer to scsi buffer list.
15937 * @count: number of scsi buffers on the list.
15939 * This routine is invoked to post a block of @count scsi sgl pages from a
15940 * SCSI buffer list @sblist to the HBA using non-embedded mailbox command.
15945 lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *phba,
15946 struct list_head *sblist,
15949 struct lpfc_scsi_buf *psb;
15950 struct lpfc_mbx_post_uembed_sgl_page1 *sgl;
15951 struct sgl_page_pairs *sgl_pg_pairs;
15953 LPFC_MBOXQ_t *mbox;
15954 uint32_t reqlen, alloclen, pg_pairs;
15956 uint16_t xritag_start = 0;
15958 uint32_t shdr_status, shdr_add_status;
15959 dma_addr_t pdma_phys_bpl1;
15960 union lpfc_sli4_cfg_shdr *shdr;
15962 /* Calculate the requested length of the dma memory */
15963 reqlen = count * sizeof(struct sgl_page_pairs) +
15964 sizeof(union lpfc_sli4_cfg_shdr) + sizeof(uint32_t);
15965 if (reqlen > SLI4_PAGE_SIZE) {
15966 lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
15967 "0217 Block sgl registration required DMA "
15968 "size (%d) great than a page\n", reqlen);
15971 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
15973 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15974 "0283 Failed to allocate mbox cmd memory\n");
15978 /* Allocate DMA memory and set up the non-embedded mailbox command */
15979 alloclen = lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
15980 LPFC_MBOX_OPCODE_FCOE_POST_SGL_PAGES, reqlen,
15981 LPFC_SLI4_MBX_NEMBED);
15983 if (alloclen < reqlen) {
15984 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
15985 "2561 Allocated DMA memory size (%d) is "
15986 "less than the requested DMA memory "
15987 "size (%d)\n", alloclen, reqlen);
15988 lpfc_sli4_mbox_cmd_free(phba, mbox);
15992 /* Get the first SGE entry from the non-embedded DMA memory */
15993 viraddr = mbox->sge_array->addr[0];
15995 /* Set up the SGL pages in the non-embedded DMA pages */
15996 sgl = (struct lpfc_mbx_post_uembed_sgl_page1 *)viraddr;
15997 sgl_pg_pairs = &sgl->sgl_pg_pairs;
16000 list_for_each_entry(psb, sblist, list) {
16001 /* Set up the sge entry */
16002 sgl_pg_pairs->sgl_pg0_addr_lo =
16003 cpu_to_le32(putPaddrLow(psb->dma_phys_bpl));
16004 sgl_pg_pairs->sgl_pg0_addr_hi =
16005 cpu_to_le32(putPaddrHigh(psb->dma_phys_bpl));
16006 if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE)
16007 pdma_phys_bpl1 = psb->dma_phys_bpl + SGL_PAGE_SIZE;
16009 pdma_phys_bpl1 = 0;
16010 sgl_pg_pairs->sgl_pg1_addr_lo =
16011 cpu_to_le32(putPaddrLow(pdma_phys_bpl1));
16012 sgl_pg_pairs->sgl_pg1_addr_hi =
16013 cpu_to_le32(putPaddrHigh(pdma_phys_bpl1));
16014 /* Keep the first xritag on the list */
16016 xritag_start = psb->cur_iocbq.sli4_xritag;
16020 bf_set(lpfc_post_sgl_pages_xri, sgl, xritag_start);
16021 bf_set(lpfc_post_sgl_pages_xricnt, sgl, pg_pairs);
16022 /* Perform endian conversion if necessary */
16023 sgl->word0 = cpu_to_le32(sgl->word0);
16025 if (!phba->sli4_hba.intr_enable)
16026 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
16028 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
16029 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
16031 shdr = (union lpfc_sli4_cfg_shdr *) &sgl->cfg_shdr;
16032 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
16033 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
16034 if (rc != MBX_TIMEOUT)
16035 lpfc_sli4_mbox_cmd_free(phba, mbox);
16036 if (shdr_status || shdr_add_status || rc) {
16037 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
16038 "2564 POST_SGL_BLOCK mailbox command failed "
16039 "status x%x add_status x%x mbx status x%x\n",
16040 shdr_status, shdr_add_status, rc);
16046 static char *lpfc_rctl_names[] = FC_RCTL_NAMES_INIT;
16047 static char *lpfc_type_names[] = FC_TYPE_NAMES_INIT;
16050 * lpfc_fc_frame_check - Check that this frame is a valid frame to handle
16051 * @phba: pointer to lpfc_hba struct that the frame was received on
16052 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
16054 * This function checks the fields in the @fc_hdr to see if the FC frame is a
16055 * valid type of frame that the LPFC driver will handle. This function will
16056 * return a zero if the frame is a valid frame or a non zero value when the
16057 * frame does not pass the check.
16060 lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr)
16062 /* make rctl_names static to save stack space */
16063 struct fc_vft_header *fc_vft_hdr;
16064 uint32_t *header = (uint32_t *) fc_hdr;
16066 switch (fc_hdr->fh_r_ctl) {
16067 case FC_RCTL_DD_UNCAT: /* uncategorized information */
16068 case FC_RCTL_DD_SOL_DATA: /* solicited data */
16069 case FC_RCTL_DD_UNSOL_CTL: /* unsolicited control */
16070 case FC_RCTL_DD_SOL_CTL: /* solicited control or reply */
16071 case FC_RCTL_DD_UNSOL_DATA: /* unsolicited data */
16072 case FC_RCTL_DD_DATA_DESC: /* data descriptor */
16073 case FC_RCTL_DD_UNSOL_CMD: /* unsolicited command */
16074 case FC_RCTL_DD_CMD_STATUS: /* command status */
16075 case FC_RCTL_ELS_REQ: /* extended link services request */
16076 case FC_RCTL_ELS_REP: /* extended link services reply */
16077 case FC_RCTL_ELS4_REQ: /* FC-4 ELS request */
16078 case FC_RCTL_ELS4_REP: /* FC-4 ELS reply */
16079 case FC_RCTL_BA_NOP: /* basic link service NOP */
16080 case FC_RCTL_BA_ABTS: /* basic link service abort */
16081 case FC_RCTL_BA_RMC: /* remove connection */
16082 case FC_RCTL_BA_ACC: /* basic accept */
16083 case FC_RCTL_BA_RJT: /* basic reject */
16084 case FC_RCTL_BA_PRMT:
16085 case FC_RCTL_ACK_1: /* acknowledge_1 */
16086 case FC_RCTL_ACK_0: /* acknowledge_0 */
16087 case FC_RCTL_P_RJT: /* port reject */
16088 case FC_RCTL_F_RJT: /* fabric reject */
16089 case FC_RCTL_P_BSY: /* port busy */
16090 case FC_RCTL_F_BSY: /* fabric busy to data frame */
16091 case FC_RCTL_F_BSYL: /* fabric busy to link control frame */
16092 case FC_RCTL_LCR: /* link credit reset */
16093 case FC_RCTL_END: /* end */
16095 case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */
16096 fc_vft_hdr = (struct fc_vft_header *)fc_hdr;
16097 fc_hdr = &((struct fc_frame_header *)fc_vft_hdr)[1];
16098 return lpfc_fc_frame_check(phba, fc_hdr);
16102 switch (fc_hdr->fh_type) {
16115 lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
16116 "2538 Received frame rctl:%s (x%x), type:%s (x%x), "
16117 "frame Data:%08x %08x %08x %08x %08x %08x %08x\n",
16118 lpfc_rctl_names[fc_hdr->fh_r_ctl], fc_hdr->fh_r_ctl,
16119 lpfc_type_names[fc_hdr->fh_type], fc_hdr->fh_type,
16120 be32_to_cpu(header[0]), be32_to_cpu(header[1]),
16121 be32_to_cpu(header[2]), be32_to_cpu(header[3]),
16122 be32_to_cpu(header[4]), be32_to_cpu(header[5]),
16123 be32_to_cpu(header[6]));
16126 lpfc_printf_log(phba, KERN_WARNING, LOG_ELS,
16127 "2539 Dropped frame rctl:%s type:%s\n",
16128 lpfc_rctl_names[fc_hdr->fh_r_ctl],
16129 lpfc_type_names[fc_hdr->fh_type]);
16134 * lpfc_fc_hdr_get_vfi - Get the VFI from an FC frame
16135 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
16137 * This function processes the FC header to retrieve the VFI from the VF
16138 * header, if one exists. This function will return the VFI if one exists
16139 * or 0 if no VSAN Header exists.
16142 lpfc_fc_hdr_get_vfi(struct fc_frame_header *fc_hdr)
16144 struct fc_vft_header *fc_vft_hdr = (struct fc_vft_header *)fc_hdr;
16146 if (fc_hdr->fh_r_ctl != FC_RCTL_VFTH)
16148 return bf_get(fc_vft_hdr_vf_id, fc_vft_hdr);
16152 * lpfc_fc_frame_to_vport - Finds the vport that a frame is destined to
16153 * @phba: Pointer to the HBA structure to search for the vport on
16154 * @fc_hdr: A pointer to the FC Header data (In Big Endian Format)
16155 * @fcfi: The FC Fabric ID that the frame came from
16157 * This function searches the @phba for a vport that matches the content of the
16158 * @fc_hdr passed in and the @fcfi. This function uses the @fc_hdr to fetch the
16159 * VFI, if the Virtual Fabric Tagging Header exists, and the DID. This function
16160 * returns the matching vport pointer or NULL if unable to match frame to a
16163 static struct lpfc_vport *
16164 lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr,
16165 uint16_t fcfi, uint32_t did)
16167 struct lpfc_vport **vports;
16168 struct lpfc_vport *vport = NULL;
16171 if (did == Fabric_DID)
16172 return phba->pport;
16173 if ((phba->pport->fc_flag & FC_PT2PT) &&
16174 !(phba->link_state == LPFC_HBA_READY))
16175 return phba->pport;
16177 vports = lpfc_create_vport_work_array(phba);
16178 if (vports != NULL) {
16179 for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) {
16180 if (phba->fcf.fcfi == fcfi &&
16181 vports[i]->vfi == lpfc_fc_hdr_get_vfi(fc_hdr) &&
16182 vports[i]->fc_myDID == did) {
16188 lpfc_destroy_vport_work_array(phba, vports);
16193 * lpfc_update_rcv_time_stamp - Update vport's rcv seq time stamp
16194 * @vport: The vport to work on.
16196 * This function updates the receive sequence time stamp for this vport. The
16197 * receive sequence time stamp indicates the time that the last frame of the
16198 * the sequence that has been idle for the longest amount of time was received.
16199 * the driver uses this time stamp to indicate if any received sequences have
16203 lpfc_update_rcv_time_stamp(struct lpfc_vport *vport)
16205 struct lpfc_dmabuf *h_buf;
16206 struct hbq_dmabuf *dmabuf = NULL;
16208 /* get the oldest sequence on the rcv list */
16209 h_buf = list_get_first(&vport->rcv_buffer_list,
16210 struct lpfc_dmabuf, list);
16213 dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
16214 vport->rcv_buffer_time_stamp = dmabuf->time_stamp;
16218 * lpfc_cleanup_rcv_buffers - Cleans up all outstanding receive sequences.
16219 * @vport: The vport that the received sequences were sent to.
16221 * This function cleans up all outstanding received sequences. This is called
16222 * by the driver when a link event or user action invalidates all the received
16226 lpfc_cleanup_rcv_buffers(struct lpfc_vport *vport)
16228 struct lpfc_dmabuf *h_buf, *hnext;
16229 struct lpfc_dmabuf *d_buf, *dnext;
16230 struct hbq_dmabuf *dmabuf = NULL;
16232 /* start with the oldest sequence on the rcv list */
16233 list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) {
16234 dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
16235 list_del_init(&dmabuf->hbuf.list);
16236 list_for_each_entry_safe(d_buf, dnext,
16237 &dmabuf->dbuf.list, list) {
16238 list_del_init(&d_buf->list);
16239 lpfc_in_buf_free(vport->phba, d_buf);
16241 lpfc_in_buf_free(vport->phba, &dmabuf->dbuf);
16246 * lpfc_rcv_seq_check_edtov - Cleans up timed out receive sequences.
16247 * @vport: The vport that the received sequences were sent to.
16249 * This function determines whether any received sequences have timed out by
16250 * first checking the vport's rcv_buffer_time_stamp. If this time_stamp
16251 * indicates that there is at least one timed out sequence this routine will
16252 * go through the received sequences one at a time from most inactive to most
16253 * active to determine which ones need to be cleaned up. Once it has determined
16254 * that a sequence needs to be cleaned up it will simply free up the resources
16255 * without sending an abort.
16258 lpfc_rcv_seq_check_edtov(struct lpfc_vport *vport)
16260 struct lpfc_dmabuf *h_buf, *hnext;
16261 struct lpfc_dmabuf *d_buf, *dnext;
16262 struct hbq_dmabuf *dmabuf = NULL;
16263 unsigned long timeout;
16264 int abort_count = 0;
16266 timeout = (msecs_to_jiffies(vport->phba->fc_edtov) +
16267 vport->rcv_buffer_time_stamp);
16268 if (list_empty(&vport->rcv_buffer_list) ||
16269 time_before(jiffies, timeout))
16271 /* start with the oldest sequence on the rcv list */
16272 list_for_each_entry_safe(h_buf, hnext, &vport->rcv_buffer_list, list) {
16273 dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
16274 timeout = (msecs_to_jiffies(vport->phba->fc_edtov) +
16275 dmabuf->time_stamp);
16276 if (time_before(jiffies, timeout))
16279 list_del_init(&dmabuf->hbuf.list);
16280 list_for_each_entry_safe(d_buf, dnext,
16281 &dmabuf->dbuf.list, list) {
16282 list_del_init(&d_buf->list);
16283 lpfc_in_buf_free(vport->phba, d_buf);
16285 lpfc_in_buf_free(vport->phba, &dmabuf->dbuf);
16288 lpfc_update_rcv_time_stamp(vport);
16292 * lpfc_fc_frame_add - Adds a frame to the vport's list of received sequences
16293 * @dmabuf: pointer to a dmabuf that describes the hdr and data of the FC frame
16295 * This function searches through the existing incomplete sequences that have
16296 * been sent to this @vport. If the frame matches one of the incomplete
16297 * sequences then the dbuf in the @dmabuf is added to the list of frames that
16298 * make up that sequence. If no sequence is found that matches this frame then
16299 * the function will add the hbuf in the @dmabuf to the @vport's rcv_buffer_list
16300 * This function returns a pointer to the first dmabuf in the sequence list that
16301 * the frame was linked to.
16303 static struct hbq_dmabuf *
16304 lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
16306 struct fc_frame_header *new_hdr;
16307 struct fc_frame_header *temp_hdr;
16308 struct lpfc_dmabuf *d_buf;
16309 struct lpfc_dmabuf *h_buf;
16310 struct hbq_dmabuf *seq_dmabuf = NULL;
16311 struct hbq_dmabuf *temp_dmabuf = NULL;
16314 INIT_LIST_HEAD(&dmabuf->dbuf.list);
16315 dmabuf->time_stamp = jiffies;
16316 new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
16318 /* Use the hdr_buf to find the sequence that this frame belongs to */
16319 list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) {
16320 temp_hdr = (struct fc_frame_header *)h_buf->virt;
16321 if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) ||
16322 (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) ||
16323 (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3)))
16325 /* found a pending sequence that matches this frame */
16326 seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
16331 * This indicates first frame received for this sequence.
16332 * Queue the buffer on the vport's rcv_buffer_list.
16334 list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list);
16335 lpfc_update_rcv_time_stamp(vport);
16338 temp_hdr = seq_dmabuf->hbuf.virt;
16339 if (be16_to_cpu(new_hdr->fh_seq_cnt) <
16340 be16_to_cpu(temp_hdr->fh_seq_cnt)) {
16341 list_del_init(&seq_dmabuf->hbuf.list);
16342 list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list);
16343 list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list);
16344 lpfc_update_rcv_time_stamp(vport);
16347 /* move this sequence to the tail to indicate a young sequence */
16348 list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list);
16349 seq_dmabuf->time_stamp = jiffies;
16350 lpfc_update_rcv_time_stamp(vport);
16351 if (list_empty(&seq_dmabuf->dbuf.list)) {
16352 temp_hdr = dmabuf->hbuf.virt;
16353 list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list);
16356 /* find the correct place in the sequence to insert this frame */
16357 d_buf = list_entry(seq_dmabuf->dbuf.list.prev, typeof(*d_buf), list);
16359 temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
16360 temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt;
16362 * If the frame's sequence count is greater than the frame on
16363 * the list then insert the frame right after this frame
16365 if (be16_to_cpu(new_hdr->fh_seq_cnt) >
16366 be16_to_cpu(temp_hdr->fh_seq_cnt)) {
16367 list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list);
16372 if (&d_buf->list == &seq_dmabuf->dbuf.list)
16374 d_buf = list_entry(d_buf->list.prev, typeof(*d_buf), list);
16383 * lpfc_sli4_abort_partial_seq - Abort partially assembled unsol sequence
16384 * @vport: pointer to a vitural port
16385 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16387 * This function tries to abort from the partially assembed sequence, described
16388 * by the information from basic abbort @dmabuf. It checks to see whether such
16389 * partially assembled sequence held by the driver. If so, it shall free up all
16390 * the frames from the partially assembled sequence.
16393 * true -- if there is matching partially assembled sequence present and all
16394 * the frames freed with the sequence;
16395 * false -- if there is no matching partially assembled sequence present so
16396 * nothing got aborted in the lower layer driver
16399 lpfc_sli4_abort_partial_seq(struct lpfc_vport *vport,
16400 struct hbq_dmabuf *dmabuf)
16402 struct fc_frame_header *new_hdr;
16403 struct fc_frame_header *temp_hdr;
16404 struct lpfc_dmabuf *d_buf, *n_buf, *h_buf;
16405 struct hbq_dmabuf *seq_dmabuf = NULL;
16407 /* Use the hdr_buf to find the sequence that matches this frame */
16408 INIT_LIST_HEAD(&dmabuf->dbuf.list);
16409 INIT_LIST_HEAD(&dmabuf->hbuf.list);
16410 new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
16411 list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) {
16412 temp_hdr = (struct fc_frame_header *)h_buf->virt;
16413 if ((temp_hdr->fh_seq_id != new_hdr->fh_seq_id) ||
16414 (temp_hdr->fh_ox_id != new_hdr->fh_ox_id) ||
16415 (memcmp(&temp_hdr->fh_s_id, &new_hdr->fh_s_id, 3)))
16417 /* found a pending sequence that matches this frame */
16418 seq_dmabuf = container_of(h_buf, struct hbq_dmabuf, hbuf);
16422 /* Free up all the frames from the partially assembled sequence */
16424 list_for_each_entry_safe(d_buf, n_buf,
16425 &seq_dmabuf->dbuf.list, list) {
16426 list_del_init(&d_buf->list);
16427 lpfc_in_buf_free(vport->phba, d_buf);
16435 * lpfc_sli4_abort_ulp_seq - Abort assembled unsol sequence from ulp
16436 * @vport: pointer to a vitural port
16437 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16439 * This function tries to abort from the assembed sequence from upper level
16440 * protocol, described by the information from basic abbort @dmabuf. It
16441 * checks to see whether such pending context exists at upper level protocol.
16442 * If so, it shall clean up the pending context.
16445 * true -- if there is matching pending context of the sequence cleaned
16447 * false -- if there is no matching pending context of the sequence present
16451 lpfc_sli4_abort_ulp_seq(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
16453 struct lpfc_hba *phba = vport->phba;
16456 /* Accepting abort at ulp with SLI4 only */
16457 if (phba->sli_rev < LPFC_SLI_REV4)
16460 /* Register all caring upper level protocols to attend abort */
16461 handled = lpfc_ct_handle_unsol_abort(phba, dmabuf);
16469 * lpfc_sli4_seq_abort_rsp_cmpl - BLS ABORT RSP seq abort iocb complete handler
16470 * @phba: Pointer to HBA context object.
16471 * @cmd_iocbq: pointer to the command iocbq structure.
16472 * @rsp_iocbq: pointer to the response iocbq structure.
16474 * This function handles the sequence abort response iocb command complete
16475 * event. It properly releases the memory allocated to the sequence abort
16479 lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba,
16480 struct lpfc_iocbq *cmd_iocbq,
16481 struct lpfc_iocbq *rsp_iocbq)
16483 struct lpfc_nodelist *ndlp;
16486 ndlp = (struct lpfc_nodelist *)cmd_iocbq->context1;
16487 lpfc_nlp_put(ndlp);
16488 lpfc_nlp_not_used(ndlp);
16489 lpfc_sli_release_iocbq(phba, cmd_iocbq);
16492 /* Failure means BLS ABORT RSP did not get delivered to remote node*/
16493 if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus)
16494 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
16495 "3154 BLS ABORT RSP failed, data: x%x/x%x\n",
16496 rsp_iocbq->iocb.ulpStatus,
16497 rsp_iocbq->iocb.un.ulpWord[4]);
16501 * lpfc_sli4_xri_inrange - check xri is in range of xris owned by driver.
16502 * @phba: Pointer to HBA context object.
16503 * @xri: xri id in transaction.
16505 * This function validates the xri maps to the known range of XRIs allocated an
16506 * used by the driver.
16509 lpfc_sli4_xri_inrange(struct lpfc_hba *phba,
16514 for (i = 0; i < phba->sli4_hba.max_cfg_param.max_xri; i++) {
16515 if (xri == phba->sli4_hba.xri_ids[i])
16522 * lpfc_sli4_seq_abort_rsp - bls rsp to sequence abort
16523 * @phba: Pointer to HBA context object.
16524 * @fc_hdr: pointer to a FC frame header.
16526 * This function sends a basic response to a previous unsol sequence abort
16527 * event after aborting the sequence handling.
16530 lpfc_sli4_seq_abort_rsp(struct lpfc_vport *vport,
16531 struct fc_frame_header *fc_hdr, bool aborted)
16533 struct lpfc_hba *phba = vport->phba;
16534 struct lpfc_iocbq *ctiocb = NULL;
16535 struct lpfc_nodelist *ndlp;
16536 uint16_t oxid, rxid, xri, lxri;
16537 uint32_t sid, fctl;
16541 if (!lpfc_is_link_up(phba))
16544 sid = sli4_sid_from_fc_hdr(fc_hdr);
16545 oxid = be16_to_cpu(fc_hdr->fh_ox_id);
16546 rxid = be16_to_cpu(fc_hdr->fh_rx_id);
16548 ndlp = lpfc_findnode_did(vport, sid);
16550 ndlp = lpfc_nlp_init(vport, sid);
16552 lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS,
16553 "1268 Failed to allocate ndlp for "
16554 "oxid:x%x SID:x%x\n", oxid, sid);
16557 /* Put ndlp onto pport node list */
16558 lpfc_enqueue_node(vport, ndlp);
16559 } else if (!NLP_CHK_NODE_ACT(ndlp)) {
16560 /* re-setup ndlp without removing from node list */
16561 ndlp = lpfc_enable_node(vport, ndlp, NLP_STE_UNUSED_NODE);
16563 lpfc_printf_vlog(vport, KERN_WARNING, LOG_ELS,
16564 "3275 Failed to active ndlp found "
16565 "for oxid:x%x SID:x%x\n", oxid, sid);
16570 /* Allocate buffer for rsp iocb */
16571 ctiocb = lpfc_sli_get_iocbq(phba);
16575 /* Extract the F_CTL field from FC_HDR */
16576 fctl = sli4_fctl_from_fc_hdr(fc_hdr);
16578 icmd = &ctiocb->iocb;
16579 icmd->un.xseq64.bdl.bdeSize = 0;
16580 icmd->un.xseq64.bdl.ulpIoTag32 = 0;
16581 icmd->un.xseq64.w5.hcsw.Dfctl = 0;
16582 icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_ACC;
16583 icmd->un.xseq64.w5.hcsw.Type = FC_TYPE_BLS;
16585 /* Fill in the rest of iocb fields */
16586 icmd->ulpCommand = CMD_XMIT_BLS_RSP64_CX;
16587 icmd->ulpBdeCount = 0;
16589 icmd->ulpClass = CLASS3;
16590 icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
16591 ctiocb->context1 = lpfc_nlp_get(ndlp);
16593 ctiocb->iocb_cmpl = NULL;
16594 ctiocb->vport = phba->pport;
16595 ctiocb->iocb_cmpl = lpfc_sli4_seq_abort_rsp_cmpl;
16596 ctiocb->sli4_lxritag = NO_XRI;
16597 ctiocb->sli4_xritag = NO_XRI;
16599 if (fctl & FC_FC_EX_CTX)
16600 /* Exchange responder sent the abort so we
16606 lxri = lpfc_sli4_xri_inrange(phba, xri);
16607 if (lxri != NO_XRI)
16608 lpfc_set_rrq_active(phba, ndlp, lxri,
16609 (xri == oxid) ? rxid : oxid, 0);
16610 /* For BA_ABTS from exchange responder, if the logical xri with
16611 * the oxid maps to the FCP XRI range, the port no longer has
16612 * that exchange context, send a BLS_RJT. Override the IOCB for
16615 if ((fctl & FC_FC_EX_CTX) &&
16616 (lxri > lpfc_sli4_get_iocb_cnt(phba))) {
16617 icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT;
16618 bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0);
16619 bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID);
16620 bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE);
16623 /* If BA_ABTS failed to abort a partially assembled receive sequence,
16624 * the driver no longer has that exchange, send a BLS_RJT. Override
16625 * the IOCB for a BA_RJT.
16627 if (aborted == false) {
16628 icmd->un.xseq64.w5.hcsw.Rctl = FC_RCTL_BA_RJT;
16629 bf_set(lpfc_vndr_code, &icmd->un.bls_rsp, 0);
16630 bf_set(lpfc_rsn_expln, &icmd->un.bls_rsp, FC_BA_RJT_INV_XID);
16631 bf_set(lpfc_rsn_code, &icmd->un.bls_rsp, FC_BA_RJT_UNABLE);
16634 if (fctl & FC_FC_EX_CTX) {
16635 /* ABTS sent by responder to CT exchange, construction
16636 * of BA_ACC will use OX_ID from ABTS for the XRI_TAG
16637 * field and RX_ID from ABTS for RX_ID field.
16639 bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP);
16641 /* ABTS sent by initiator to CT exchange, construction
16642 * of BA_ACC will need to allocate a new XRI as for the
16645 bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT);
16647 bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid);
16648 bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid);
16650 /* Xmit CT abts response on exchange <xid> */
16651 lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
16652 "1200 Send BLS cmd x%x on oxid x%x Data: x%x\n",
16653 icmd->un.xseq64.w5.hcsw.Rctl, oxid, phba->link_state);
16655 rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, ctiocb, 0);
16656 if (rc == IOCB_ERROR) {
16657 lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
16658 "2925 Failed to issue CT ABTS RSP x%x on "
16659 "xri x%x, Data x%x\n",
16660 icmd->un.xseq64.w5.hcsw.Rctl, oxid,
16662 lpfc_nlp_put(ndlp);
16663 ctiocb->context1 = NULL;
16664 lpfc_sli_release_iocbq(phba, ctiocb);
16669 * lpfc_sli4_handle_unsol_abort - Handle sli-4 unsolicited abort event
16670 * @vport: Pointer to the vport on which this sequence was received
16671 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16673 * This function handles an SLI-4 unsolicited abort event. If the unsolicited
16674 * receive sequence is only partially assembed by the driver, it shall abort
16675 * the partially assembled frames for the sequence. Otherwise, if the
16676 * unsolicited receive sequence has been completely assembled and passed to
16677 * the Upper Layer Protocol (UPL), it then mark the per oxid status for the
16678 * unsolicited sequence has been aborted. After that, it will issue a basic
16679 * accept to accept the abort.
16682 lpfc_sli4_handle_unsol_abort(struct lpfc_vport *vport,
16683 struct hbq_dmabuf *dmabuf)
16685 struct lpfc_hba *phba = vport->phba;
16686 struct fc_frame_header fc_hdr;
16690 /* Make a copy of fc_hdr before the dmabuf being released */
16691 memcpy(&fc_hdr, dmabuf->hbuf.virt, sizeof(struct fc_frame_header));
16692 fctl = sli4_fctl_from_fc_hdr(&fc_hdr);
16694 if (fctl & FC_FC_EX_CTX) {
16695 /* ABTS by responder to exchange, no cleanup needed */
16698 /* ABTS by initiator to exchange, need to do cleanup */
16699 aborted = lpfc_sli4_abort_partial_seq(vport, dmabuf);
16700 if (aborted == false)
16701 aborted = lpfc_sli4_abort_ulp_seq(vport, dmabuf);
16703 lpfc_in_buf_free(phba, &dmabuf->dbuf);
16705 if (phba->nvmet_support) {
16706 lpfc_nvmet_rcv_unsol_abort(vport, &fc_hdr);
16710 /* Respond with BA_ACC or BA_RJT accordingly */
16711 lpfc_sli4_seq_abort_rsp(vport, &fc_hdr, aborted);
16715 * lpfc_seq_complete - Indicates if a sequence is complete
16716 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16718 * This function checks the sequence, starting with the frame described by
16719 * @dmabuf, to see if all the frames associated with this sequence are present.
16720 * the frames associated with this sequence are linked to the @dmabuf using the
16721 * dbuf list. This function looks for two major things. 1) That the first frame
16722 * has a sequence count of zero. 2) There is a frame with last frame of sequence
16723 * set. 3) That there are no holes in the sequence count. The function will
16724 * return 1 when the sequence is complete, otherwise it will return 0.
16727 lpfc_seq_complete(struct hbq_dmabuf *dmabuf)
16729 struct fc_frame_header *hdr;
16730 struct lpfc_dmabuf *d_buf;
16731 struct hbq_dmabuf *seq_dmabuf;
16735 hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
16736 /* make sure first fame of sequence has a sequence count of zero */
16737 if (hdr->fh_seq_cnt != seq_count)
16739 fctl = (hdr->fh_f_ctl[0] << 16 |
16740 hdr->fh_f_ctl[1] << 8 |
16742 /* If last frame of sequence we can return success. */
16743 if (fctl & FC_FC_END_SEQ)
16745 list_for_each_entry(d_buf, &dmabuf->dbuf.list, list) {
16746 seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
16747 hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt;
16748 /* If there is a hole in the sequence count then fail. */
16749 if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt))
16751 fctl = (hdr->fh_f_ctl[0] << 16 |
16752 hdr->fh_f_ctl[1] << 8 |
16754 /* If last frame of sequence we can return success. */
16755 if (fctl & FC_FC_END_SEQ)
16762 * lpfc_prep_seq - Prep sequence for ULP processing
16763 * @vport: Pointer to the vport on which this sequence was received
16764 * @dmabuf: pointer to a dmabuf that describes the FC sequence
16766 * This function takes a sequence, described by a list of frames, and creates
16767 * a list of iocbq structures to describe the sequence. This iocbq list will be
16768 * used to issue to the generic unsolicited sequence handler. This routine
16769 * returns a pointer to the first iocbq in the list. If the function is unable
16770 * to allocate an iocbq then it throw out the received frames that were not
16771 * able to be described and return a pointer to the first iocbq. If unable to
16772 * allocate any iocbqs (including the first) this function will return NULL.
16774 static struct lpfc_iocbq *
16775 lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
16777 struct hbq_dmabuf *hbq_buf;
16778 struct lpfc_dmabuf *d_buf, *n_buf;
16779 struct lpfc_iocbq *first_iocbq, *iocbq;
16780 struct fc_frame_header *fc_hdr;
16782 uint32_t len, tot_len;
16783 struct ulp_bde64 *pbde;
16785 fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt;
16786 /* remove from receive buffer list */
16787 list_del_init(&seq_dmabuf->hbuf.list);
16788 lpfc_update_rcv_time_stamp(vport);
16789 /* get the Remote Port's SID */
16790 sid = sli4_sid_from_fc_hdr(fc_hdr);
16792 /* Get an iocbq struct to fill in. */
16793 first_iocbq = lpfc_sli_get_iocbq(vport->phba);
16795 /* Initialize the first IOCB. */
16796 first_iocbq->iocb.unsli3.rcvsli3.acc_len = 0;
16797 first_iocbq->iocb.ulpStatus = IOSTAT_SUCCESS;
16798 first_iocbq->vport = vport;
16800 /* Check FC Header to see what TYPE of frame we are rcv'ing */
16801 if (sli4_type_from_fc_hdr(fc_hdr) == FC_TYPE_ELS) {
16802 first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_ELS64_CX;
16803 first_iocbq->iocb.un.rcvels.parmRo =
16804 sli4_did_from_fc_hdr(fc_hdr);
16805 first_iocbq->iocb.ulpPU = PARM_NPIV_DID;
16807 first_iocbq->iocb.ulpCommand = CMD_IOCB_RCV_SEQ64_CX;
16808 first_iocbq->iocb.ulpContext = NO_XRI;
16809 first_iocbq->iocb.unsli3.rcvsli3.ox_id =
16810 be16_to_cpu(fc_hdr->fh_ox_id);
16811 /* iocbq is prepped for internal consumption. Physical vpi. */
16812 first_iocbq->iocb.unsli3.rcvsli3.vpi =
16813 vport->phba->vpi_ids[vport->vpi];
16814 /* put the first buffer into the first IOCBq */
16815 tot_len = bf_get(lpfc_rcqe_length,
16816 &seq_dmabuf->cq_event.cqe.rcqe_cmpl);
16818 first_iocbq->context2 = &seq_dmabuf->dbuf;
16819 first_iocbq->context3 = NULL;
16820 first_iocbq->iocb.ulpBdeCount = 1;
16821 if (tot_len > LPFC_DATA_BUF_SIZE)
16822 first_iocbq->iocb.un.cont64[0].tus.f.bdeSize =
16823 LPFC_DATA_BUF_SIZE;
16825 first_iocbq->iocb.un.cont64[0].tus.f.bdeSize = tot_len;
16827 first_iocbq->iocb.un.rcvels.remoteID = sid;
16829 first_iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len;
16831 iocbq = first_iocbq;
16833 * Each IOCBq can have two Buffers assigned, so go through the list
16834 * of buffers for this sequence and save two buffers in each IOCBq
16836 list_for_each_entry_safe(d_buf, n_buf, &seq_dmabuf->dbuf.list, list) {
16838 lpfc_in_buf_free(vport->phba, d_buf);
16841 if (!iocbq->context3) {
16842 iocbq->context3 = d_buf;
16843 iocbq->iocb.ulpBdeCount++;
16844 /* We need to get the size out of the right CQE */
16845 hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
16846 len = bf_get(lpfc_rcqe_length,
16847 &hbq_buf->cq_event.cqe.rcqe_cmpl);
16848 pbde = (struct ulp_bde64 *)
16849 &iocbq->iocb.unsli3.sli3Words[4];
16850 if (len > LPFC_DATA_BUF_SIZE)
16851 pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE;
16853 pbde->tus.f.bdeSize = len;
16855 iocbq->iocb.unsli3.rcvsli3.acc_len += len;
16858 iocbq = lpfc_sli_get_iocbq(vport->phba);
16861 first_iocbq->iocb.ulpStatus =
16862 IOSTAT_FCP_RSP_ERROR;
16863 first_iocbq->iocb.un.ulpWord[4] =
16864 IOERR_NO_RESOURCES;
16866 lpfc_in_buf_free(vport->phba, d_buf);
16869 /* We need to get the size out of the right CQE */
16870 hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf);
16871 len = bf_get(lpfc_rcqe_length,
16872 &hbq_buf->cq_event.cqe.rcqe_cmpl);
16873 iocbq->context2 = d_buf;
16874 iocbq->context3 = NULL;
16875 iocbq->iocb.ulpBdeCount = 1;
16876 if (len > LPFC_DATA_BUF_SIZE)
16877 iocbq->iocb.un.cont64[0].tus.f.bdeSize =
16878 LPFC_DATA_BUF_SIZE;
16880 iocbq->iocb.un.cont64[0].tus.f.bdeSize = len;
16883 iocbq->iocb.unsli3.rcvsli3.acc_len = tot_len;
16885 iocbq->iocb.un.rcvels.remoteID = sid;
16886 list_add_tail(&iocbq->list, &first_iocbq->list);
16889 return first_iocbq;
16893 lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport,
16894 struct hbq_dmabuf *seq_dmabuf)
16896 struct fc_frame_header *fc_hdr;
16897 struct lpfc_iocbq *iocbq, *curr_iocb, *next_iocb;
16898 struct lpfc_hba *phba = vport->phba;
16900 fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt;
16901 iocbq = lpfc_prep_seq(vport, seq_dmabuf);
16903 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
16904 "2707 Ring %d handler: Failed to allocate "
16905 "iocb Rctl x%x Type x%x received\n",
16907 fc_hdr->fh_r_ctl, fc_hdr->fh_type);
16910 if (!lpfc_complete_unsol_iocb(phba,
16911 phba->sli4_hba.els_wq->pring,
16912 iocbq, fc_hdr->fh_r_ctl,
16914 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
16915 "2540 Ring %d handler: unexpected Rctl "
16916 "x%x Type x%x received\n",
16918 fc_hdr->fh_r_ctl, fc_hdr->fh_type);
16920 /* Free iocb created in lpfc_prep_seq */
16921 list_for_each_entry_safe(curr_iocb, next_iocb,
16922 &iocbq->list, list) {
16923 list_del_init(&curr_iocb->list);
16924 lpfc_sli_release_iocbq(phba, curr_iocb);
16926 lpfc_sli_release_iocbq(phba, iocbq);
16930 * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware
16931 * @phba: Pointer to HBA context object.
16933 * This function is called with no lock held. This function processes all
16934 * the received buffers and gives it to upper layers when a received buffer
16935 * indicates that it is the final frame in the sequence. The interrupt
16936 * service routine processes received buffers at interrupt contexts.
16937 * Worker thread calls lpfc_sli4_handle_received_buffer, which will call the
16938 * appropriate receive function when the final frame in a sequence is received.
16941 lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
16942 struct hbq_dmabuf *dmabuf)
16944 struct hbq_dmabuf *seq_dmabuf;
16945 struct fc_frame_header *fc_hdr;
16946 struct lpfc_vport *vport;
16950 /* Process each received buffer */
16951 fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
16953 /* check to see if this a valid type of frame */
16954 if (lpfc_fc_frame_check(phba, fc_hdr)) {
16955 lpfc_in_buf_free(phba, &dmabuf->dbuf);
16959 if ((bf_get(lpfc_cqe_code,
16960 &dmabuf->cq_event.cqe.rcqe_cmpl) == CQE_CODE_RECEIVE_V1))
16961 fcfi = bf_get(lpfc_rcqe_fcf_id_v1,
16962 &dmabuf->cq_event.cqe.rcqe_cmpl);
16964 fcfi = bf_get(lpfc_rcqe_fcf_id,
16965 &dmabuf->cq_event.cqe.rcqe_cmpl);
16967 /* d_id this frame is directed to */
16968 did = sli4_did_from_fc_hdr(fc_hdr);
16970 vport = lpfc_fc_frame_to_vport(phba, fc_hdr, fcfi, did);
16972 /* throw out the frame */
16973 lpfc_in_buf_free(phba, &dmabuf->dbuf);
16977 /* vport is registered unless we rcv a FLOGI directed to Fabric_DID */
16978 if (!(vport->vpi_state & LPFC_VPI_REGISTERED) &&
16979 (did != Fabric_DID)) {
16981 * Throw out the frame if we are not pt2pt.
16982 * The pt2pt protocol allows for discovery frames
16983 * to be received without a registered VPI.
16985 if (!(vport->fc_flag & FC_PT2PT) ||
16986 (phba->link_state == LPFC_HBA_READY)) {
16987 lpfc_in_buf_free(phba, &dmabuf->dbuf);
16992 /* Handle the basic abort sequence (BA_ABTS) event */
16993 if (fc_hdr->fh_r_ctl == FC_RCTL_BA_ABTS) {
16994 lpfc_sli4_handle_unsol_abort(vport, dmabuf);
16998 /* Link this frame */
16999 seq_dmabuf = lpfc_fc_frame_add(vport, dmabuf);
17001 /* unable to add frame to vport - throw it out */
17002 lpfc_in_buf_free(phba, &dmabuf->dbuf);
17005 /* If not last frame in sequence continue processing frames. */
17006 if (!lpfc_seq_complete(seq_dmabuf))
17009 /* Send the complete sequence to the upper layer protocol */
17010 lpfc_sli4_send_seq_to_ulp(vport, seq_dmabuf);
17014 * lpfc_sli4_post_all_rpi_hdrs - Post the rpi header memory region to the port
17015 * @phba: pointer to lpfc hba data structure.
17017 * This routine is invoked to post rpi header templates to the
17018 * HBA consistent with the SLI-4 interface spec. This routine
17019 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
17020 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
17022 * This routine does not require any locks. It's usage is expected
17023 * to be driver load or reset recovery when the driver is
17028 * -EIO - The mailbox failed to complete successfully.
17029 * When this error occurs, the driver is not guaranteed
17030 * to have any rpi regions posted to the device and
17031 * must either attempt to repost the regions or take a
17035 lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *phba)
17037 struct lpfc_rpi_hdr *rpi_page;
17041 /* SLI4 ports that support extents do not require RPI headers. */
17042 if (!phba->sli4_hba.rpi_hdrs_in_use)
17044 if (phba->sli4_hba.extents_in_use)
17047 list_for_each_entry(rpi_page, &phba->sli4_hba.lpfc_rpi_hdr_list, list) {
17049 * Assign the rpi headers a physical rpi only if the driver
17050 * has not initialized those resources. A port reset only
17051 * needs the headers posted.
17053 if (bf_get(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags) !=
17055 rpi_page->start_rpi = phba->sli4_hba.rpi_ids[lrpi];
17057 rc = lpfc_sli4_post_rpi_hdr(phba, rpi_page);
17058 if (rc != MBX_SUCCESS) {
17059 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
17060 "2008 Error %d posting all rpi "
17068 bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags,
17069 LPFC_RPI_RSRC_RDY);
17074 * lpfc_sli4_post_rpi_hdr - Post an rpi header memory region to the port
17075 * @phba: pointer to lpfc hba data structure.
17076 * @rpi_page: pointer to the rpi memory region.
17078 * This routine is invoked to post a single rpi header to the
17079 * HBA consistent with the SLI-4 interface spec. This memory region
17080 * maps up to 64 rpi context regions.
17084 * -ENOMEM - No available memory
17085 * -EIO - The mailbox failed to complete successfully.
17088 lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page)
17090 LPFC_MBOXQ_t *mboxq;
17091 struct lpfc_mbx_post_hdr_tmpl *hdr_tmpl;
17093 uint32_t shdr_status, shdr_add_status;
17094 union lpfc_sli4_cfg_shdr *shdr;
17096 /* SLI4 ports that support extents do not require RPI headers. */
17097 if (!phba->sli4_hba.rpi_hdrs_in_use)
17099 if (phba->sli4_hba.extents_in_use)
17102 /* The port is notified of the header region via a mailbox command. */
17103 mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17105 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
17106 "2001 Unable to allocate memory for issuing "
17107 "SLI_CONFIG_SPECIAL mailbox command\n");
17111 /* Post all rpi memory regions to the port. */
17112 hdr_tmpl = &mboxq->u.mqe.un.hdr_tmpl;
17113 lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
17114 LPFC_MBOX_OPCODE_FCOE_POST_HDR_TEMPLATE,
17115 sizeof(struct lpfc_mbx_post_hdr_tmpl) -
17116 sizeof(struct lpfc_sli4_cfg_mhdr),
17117 LPFC_SLI4_MBX_EMBED);
17120 /* Post the physical rpi to the port for this rpi header. */
17121 bf_set(lpfc_mbx_post_hdr_tmpl_rpi_offset, hdr_tmpl,
17122 rpi_page->start_rpi);
17123 bf_set(lpfc_mbx_post_hdr_tmpl_page_cnt,
17124 hdr_tmpl, rpi_page->page_count);
17126 hdr_tmpl->rpi_paddr_lo = putPaddrLow(rpi_page->dmabuf->phys);
17127 hdr_tmpl->rpi_paddr_hi = putPaddrHigh(rpi_page->dmabuf->phys);
17128 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
17129 shdr = (union lpfc_sli4_cfg_shdr *) &hdr_tmpl->header.cfg_shdr;
17130 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
17131 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
17132 if (rc != MBX_TIMEOUT)
17133 mempool_free(mboxq, phba->mbox_mem_pool);
17134 if (shdr_status || shdr_add_status || rc) {
17135 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
17136 "2514 POST_RPI_HDR mailbox failed with "
17137 "status x%x add_status x%x, mbx status x%x\n",
17138 shdr_status, shdr_add_status, rc);
17145 * lpfc_sli4_alloc_rpi - Get an available rpi in the device's range
17146 * @phba: pointer to lpfc hba data structure.
17148 * This routine is invoked to post rpi header templates to the
17149 * HBA consistent with the SLI-4 interface spec. This routine
17150 * posts a SLI4_PAGE_SIZE memory region to the port to hold up to
17151 * SLI4_PAGE_SIZE modulo 64 rpi context headers.
17154 * A nonzero rpi defined as rpi_base <= rpi < max_rpi if successful
17155 * LPFC_RPI_ALLOC_ERROR if no rpis are available.
17158 lpfc_sli4_alloc_rpi(struct lpfc_hba *phba)
17161 uint16_t max_rpi, rpi_limit;
17162 uint16_t rpi_remaining, lrpi = 0;
17163 struct lpfc_rpi_hdr *rpi_hdr;
17164 unsigned long iflag;
17167 * Fetch the next logical rpi. Because this index is logical,
17168 * the driver starts at 0 each time.
17170 spin_lock_irqsave(&phba->hbalock, iflag);
17171 max_rpi = phba->sli4_hba.max_cfg_param.max_rpi;
17172 rpi_limit = phba->sli4_hba.next_rpi;
17174 rpi = find_next_zero_bit(phba->sli4_hba.rpi_bmask, rpi_limit, 0);
17175 if (rpi >= rpi_limit)
17176 rpi = LPFC_RPI_ALLOC_ERROR;
17178 set_bit(rpi, phba->sli4_hba.rpi_bmask);
17179 phba->sli4_hba.max_cfg_param.rpi_used++;
17180 phba->sli4_hba.rpi_count++;
17182 lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
17183 "0001 rpi:%x max:%x lim:%x\n",
17184 (int) rpi, max_rpi, rpi_limit);
17187 * Don't try to allocate more rpi header regions if the device limit
17188 * has been exhausted.
17190 if ((rpi == LPFC_RPI_ALLOC_ERROR) &&
17191 (phba->sli4_hba.rpi_count >= max_rpi)) {
17192 spin_unlock_irqrestore(&phba->hbalock, iflag);
17197 * RPI header postings are not required for SLI4 ports capable of
17200 if (!phba->sli4_hba.rpi_hdrs_in_use) {
17201 spin_unlock_irqrestore(&phba->hbalock, iflag);
17206 * If the driver is running low on rpi resources, allocate another
17207 * page now. Note that the next_rpi value is used because
17208 * it represents how many are actually in use whereas max_rpi notes
17209 * how many are supported max by the device.
17211 rpi_remaining = phba->sli4_hba.next_rpi - phba->sli4_hba.rpi_count;
17212 spin_unlock_irqrestore(&phba->hbalock, iflag);
17213 if (rpi_remaining < LPFC_RPI_LOW_WATER_MARK) {
17214 rpi_hdr = lpfc_sli4_create_rpi_hdr(phba);
17216 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
17217 "2002 Error Could not grow rpi "
17220 lrpi = rpi_hdr->start_rpi;
17221 rpi_hdr->start_rpi = phba->sli4_hba.rpi_ids[lrpi];
17222 lpfc_sli4_post_rpi_hdr(phba, rpi_hdr);
17230 * lpfc_sli4_free_rpi - Release an rpi for reuse.
17231 * @phba: pointer to lpfc hba data structure.
17233 * This routine is invoked to release an rpi to the pool of
17234 * available rpis maintained by the driver.
17237 __lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi)
17239 if (test_and_clear_bit(rpi, phba->sli4_hba.rpi_bmask)) {
17240 phba->sli4_hba.rpi_count--;
17241 phba->sli4_hba.max_cfg_param.rpi_used--;
17246 * lpfc_sli4_free_rpi - Release an rpi for reuse.
17247 * @phba: pointer to lpfc hba data structure.
17249 * This routine is invoked to release an rpi to the pool of
17250 * available rpis maintained by the driver.
17253 lpfc_sli4_free_rpi(struct lpfc_hba *phba, int rpi)
17255 spin_lock_irq(&phba->hbalock);
17256 __lpfc_sli4_free_rpi(phba, rpi);
17257 spin_unlock_irq(&phba->hbalock);
17261 * lpfc_sli4_remove_rpis - Remove the rpi bitmask region
17262 * @phba: pointer to lpfc hba data structure.
17264 * This routine is invoked to remove the memory region that
17265 * provided rpi via a bitmask.
17268 lpfc_sli4_remove_rpis(struct lpfc_hba *phba)
17270 kfree(phba->sli4_hba.rpi_bmask);
17271 kfree(phba->sli4_hba.rpi_ids);
17272 bf_set(lpfc_rpi_rsrc_rdy, &phba->sli4_hba.sli4_flags, 0);
17276 * lpfc_sli4_resume_rpi - Remove the rpi bitmask region
17277 * @phba: pointer to lpfc hba data structure.
17279 * This routine is invoked to remove the memory region that
17280 * provided rpi via a bitmask.
17283 lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp,
17284 void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg)
17286 LPFC_MBOXQ_t *mboxq;
17287 struct lpfc_hba *phba = ndlp->phba;
17290 /* The port is notified of the header region via a mailbox command. */
17291 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17295 /* Post all rpi memory regions to the port. */
17296 lpfc_resume_rpi(mboxq, ndlp);
17298 mboxq->mbox_cmpl = cmpl;
17299 mboxq->context1 = arg;
17300 mboxq->context2 = ndlp;
17302 mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
17303 mboxq->vport = ndlp->vport;
17304 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
17305 if (rc == MBX_NOT_FINISHED) {
17306 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
17307 "2010 Resume RPI Mailbox failed "
17308 "status %d, mbxStatus x%x\n", rc,
17309 bf_get(lpfc_mqe_status, &mboxq->u.mqe));
17310 mempool_free(mboxq, phba->mbox_mem_pool);
17317 * lpfc_sli4_init_vpi - Initialize a vpi with the port
17318 * @vport: Pointer to the vport for which the vpi is being initialized
17320 * This routine is invoked to activate a vpi with the port.
17324 * -Evalue otherwise
17327 lpfc_sli4_init_vpi(struct lpfc_vport *vport)
17329 LPFC_MBOXQ_t *mboxq;
17331 int retval = MBX_SUCCESS;
17333 struct lpfc_hba *phba = vport->phba;
17334 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17337 lpfc_init_vpi(phba, mboxq, vport->vpi);
17338 mbox_tmo = lpfc_mbox_tmo_val(phba, mboxq);
17339 rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
17340 if (rc != MBX_SUCCESS) {
17341 lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
17342 "2022 INIT VPI Mailbox failed "
17343 "status %d, mbxStatus x%x\n", rc,
17344 bf_get(lpfc_mqe_status, &mboxq->u.mqe));
17347 if (rc != MBX_TIMEOUT)
17348 mempool_free(mboxq, vport->phba->mbox_mem_pool);
17354 * lpfc_mbx_cmpl_add_fcf_record - add fcf mbox completion handler.
17355 * @phba: pointer to lpfc hba data structure.
17356 * @mboxq: Pointer to mailbox object.
17358 * This routine is invoked to manually add a single FCF record. The caller
17359 * must pass a completely initialized FCF_Record. This routine takes
17360 * care of the nonembedded mailbox operations.
17363 lpfc_mbx_cmpl_add_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
17366 union lpfc_sli4_cfg_shdr *shdr;
17367 uint32_t shdr_status, shdr_add_status;
17369 virt_addr = mboxq->sge_array->addr[0];
17370 /* The IOCTL status is embedded in the mailbox subheader. */
17371 shdr = (union lpfc_sli4_cfg_shdr *) virt_addr;
17372 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
17373 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
17375 if ((shdr_status || shdr_add_status) &&
17376 (shdr_status != STATUS_FCF_IN_USE))
17377 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
17378 "2558 ADD_FCF_RECORD mailbox failed with "
17379 "status x%x add_status x%x\n",
17380 shdr_status, shdr_add_status);
17382 lpfc_sli4_mbox_cmd_free(phba, mboxq);
17386 * lpfc_sli4_add_fcf_record - Manually add an FCF Record.
17387 * @phba: pointer to lpfc hba data structure.
17388 * @fcf_record: pointer to the initialized fcf record to add.
17390 * This routine is invoked to manually add a single FCF record. The caller
17391 * must pass a completely initialized FCF_Record. This routine takes
17392 * care of the nonembedded mailbox operations.
17395 lpfc_sli4_add_fcf_record(struct lpfc_hba *phba, struct fcf_record *fcf_record)
17398 LPFC_MBOXQ_t *mboxq;
17401 struct lpfc_mbx_sge sge;
17402 uint32_t alloc_len, req_len;
17405 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17407 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
17408 "2009 Failed to allocate mbox for ADD_FCF cmd\n");
17412 req_len = sizeof(struct fcf_record) + sizeof(union lpfc_sli4_cfg_shdr) +
17415 /* Allocate DMA memory and set up the non-embedded mailbox command */
17416 alloc_len = lpfc_sli4_config(phba, mboxq, LPFC_MBOX_SUBSYSTEM_FCOE,
17417 LPFC_MBOX_OPCODE_FCOE_ADD_FCF,
17418 req_len, LPFC_SLI4_MBX_NEMBED);
17419 if (alloc_len < req_len) {
17420 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
17421 "2523 Allocated DMA memory size (x%x) is "
17422 "less than the requested DMA memory "
17423 "size (x%x)\n", alloc_len, req_len);
17424 lpfc_sli4_mbox_cmd_free(phba, mboxq);
17429 * Get the first SGE entry from the non-embedded DMA memory. This
17430 * routine only uses a single SGE.
17432 lpfc_sli4_mbx_sge_get(mboxq, 0, &sge);
17433 virt_addr = mboxq->sge_array->addr[0];
17435 * Configure the FCF record for FCFI 0. This is the driver's
17436 * hardcoded default and gets used in nonFIP mode.
17438 fcfindex = bf_get(lpfc_fcf_record_fcf_index, fcf_record);
17439 bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
17440 lpfc_sli_pcimem_bcopy(&fcfindex, bytep, sizeof(uint32_t));
17443 * Copy the fcf_index and the FCF Record Data. The data starts after
17444 * the FCoE header plus word10. The data copy needs to be endian
17447 bytep += sizeof(uint32_t);
17448 lpfc_sli_pcimem_bcopy(fcf_record, bytep, sizeof(struct fcf_record));
17449 mboxq->vport = phba->pport;
17450 mboxq->mbox_cmpl = lpfc_mbx_cmpl_add_fcf_record;
17451 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
17452 if (rc == MBX_NOT_FINISHED) {
17453 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
17454 "2515 ADD_FCF_RECORD mailbox failed with "
17455 "status 0x%x\n", rc);
17456 lpfc_sli4_mbox_cmd_free(phba, mboxq);
17465 * lpfc_sli4_build_dflt_fcf_record - Build the driver's default FCF Record.
17466 * @phba: pointer to lpfc hba data structure.
17467 * @fcf_record: pointer to the fcf record to write the default data.
17468 * @fcf_index: FCF table entry index.
17470 * This routine is invoked to build the driver's default FCF record. The
17471 * values used are hardcoded. This routine handles memory initialization.
17475 lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba,
17476 struct fcf_record *fcf_record,
17477 uint16_t fcf_index)
17479 memset(fcf_record, 0, sizeof(struct fcf_record));
17480 fcf_record->max_rcv_size = LPFC_FCOE_MAX_RCV_SIZE;
17481 fcf_record->fka_adv_period = LPFC_FCOE_FKA_ADV_PER;
17482 fcf_record->fip_priority = LPFC_FCOE_FIP_PRIORITY;
17483 bf_set(lpfc_fcf_record_mac_0, fcf_record, phba->fc_map[0]);
17484 bf_set(lpfc_fcf_record_mac_1, fcf_record, phba->fc_map[1]);
17485 bf_set(lpfc_fcf_record_mac_2, fcf_record, phba->fc_map[2]);
17486 bf_set(lpfc_fcf_record_mac_3, fcf_record, LPFC_FCOE_FCF_MAC3);
17487 bf_set(lpfc_fcf_record_mac_4, fcf_record, LPFC_FCOE_FCF_MAC4);
17488 bf_set(lpfc_fcf_record_mac_5, fcf_record, LPFC_FCOE_FCF_MAC5);
17489 bf_set(lpfc_fcf_record_fc_map_0, fcf_record, phba->fc_map[0]);
17490 bf_set(lpfc_fcf_record_fc_map_1, fcf_record, phba->fc_map[1]);
17491 bf_set(lpfc_fcf_record_fc_map_2, fcf_record, phba->fc_map[2]);
17492 bf_set(lpfc_fcf_record_fcf_valid, fcf_record, 1);
17493 bf_set(lpfc_fcf_record_fcf_avail, fcf_record, 1);
17494 bf_set(lpfc_fcf_record_fcf_index, fcf_record, fcf_index);
17495 bf_set(lpfc_fcf_record_mac_addr_prov, fcf_record,
17496 LPFC_FCF_FPMA | LPFC_FCF_SPMA);
17497 /* Set the VLAN bit map */
17498 if (phba->valid_vlan) {
17499 fcf_record->vlan_bitmap[phba->vlan_id / 8]
17500 = 1 << (phba->vlan_id % 8);
17505 * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan.
17506 * @phba: pointer to lpfc hba data structure.
17507 * @fcf_index: FCF table entry offset.
17509 * This routine is invoked to scan the entire FCF table by reading FCF
17510 * record and processing it one at a time starting from the @fcf_index
17511 * for initial FCF discovery or fast FCF failover rediscovery.
17513 * Return 0 if the mailbox command is submitted successfully, none 0
17517 lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
17520 LPFC_MBOXQ_t *mboxq;
17522 phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag;
17523 phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag;
17524 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17526 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
17527 "2000 Failed to allocate mbox for "
17530 goto fail_fcf_scan;
17532 /* Construct the read FCF record mailbox command */
17533 rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
17536 goto fail_fcf_scan;
17538 /* Issue the mailbox command asynchronously */
17539 mboxq->vport = phba->pport;
17540 mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec;
17542 spin_lock_irq(&phba->hbalock);
17543 phba->hba_flag |= FCF_TS_INPROG;
17544 spin_unlock_irq(&phba->hbalock);
17546 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
17547 if (rc == MBX_NOT_FINISHED)
17550 /* Reset eligible FCF count for new scan */
17551 if (fcf_index == LPFC_FCOE_FCF_GET_FIRST)
17552 phba->fcf.eligible_fcf_cnt = 0;
17558 lpfc_sli4_mbox_cmd_free(phba, mboxq);
17559 /* FCF scan failed, clear FCF_TS_INPROG flag */
17560 spin_lock_irq(&phba->hbalock);
17561 phba->hba_flag &= ~FCF_TS_INPROG;
17562 spin_unlock_irq(&phba->hbalock);
17568 * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for roundrobin fcf.
17569 * @phba: pointer to lpfc hba data structure.
17570 * @fcf_index: FCF table entry offset.
17572 * This routine is invoked to read an FCF record indicated by @fcf_index
17573 * and to use it for FLOGI roundrobin FCF failover.
17575 * Return 0 if the mailbox command is submitted successfully, none 0
17579 lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
17582 LPFC_MBOXQ_t *mboxq;
17584 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17586 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT,
17587 "2763 Failed to allocate mbox for "
17590 goto fail_fcf_read;
17592 /* Construct the read FCF record mailbox command */
17593 rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
17596 goto fail_fcf_read;
17598 /* Issue the mailbox command asynchronously */
17599 mboxq->vport = phba->pport;
17600 mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec;
17601 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
17602 if (rc == MBX_NOT_FINISHED)
17608 if (error && mboxq)
17609 lpfc_sli4_mbox_cmd_free(phba, mboxq);
17614 * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask.
17615 * @phba: pointer to lpfc hba data structure.
17616 * @fcf_index: FCF table entry offset.
17618 * This routine is invoked to read an FCF record indicated by @fcf_index to
17619 * determine whether it's eligible for FLOGI roundrobin failover list.
17621 * Return 0 if the mailbox command is submitted successfully, none 0
17625 lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
17628 LPFC_MBOXQ_t *mboxq;
17630 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17632 lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT,
17633 "2758 Failed to allocate mbox for "
17636 goto fail_fcf_read;
17638 /* Construct the read FCF record mailbox command */
17639 rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
17642 goto fail_fcf_read;
17644 /* Issue the mailbox command asynchronously */
17645 mboxq->vport = phba->pport;
17646 mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec;
17647 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
17648 if (rc == MBX_NOT_FINISHED)
17654 if (error && mboxq)
17655 lpfc_sli4_mbox_cmd_free(phba, mboxq);
17660 * lpfc_check_next_fcf_pri_level
17661 * phba pointer to the lpfc_hba struct for this port.
17662 * This routine is called from the lpfc_sli4_fcf_rr_next_index_get
17663 * routine when the rr_bmask is empty. The FCF indecies are put into the
17664 * rr_bmask based on their priority level. Starting from the highest priority
17665 * to the lowest. The most likely FCF candidate will be in the highest
17666 * priority group. When this routine is called it searches the fcf_pri list for
17667 * next lowest priority group and repopulates the rr_bmask with only those
17670 * 1=success 0=failure
17673 lpfc_check_next_fcf_pri_level(struct lpfc_hba *phba)
17675 uint16_t next_fcf_pri;
17676 uint16_t last_index;
17677 struct lpfc_fcf_pri *fcf_pri;
17681 last_index = find_first_bit(phba->fcf.fcf_rr_bmask,
17682 LPFC_SLI4_FCF_TBL_INDX_MAX);
17683 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
17684 "3060 Last IDX %d\n", last_index);
17686 /* Verify the priority list has 2 or more entries */
17687 spin_lock_irq(&phba->hbalock);
17688 if (list_empty(&phba->fcf.fcf_pri_list) ||
17689 list_is_singular(&phba->fcf.fcf_pri_list)) {
17690 spin_unlock_irq(&phba->hbalock);
17691 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
17692 "3061 Last IDX %d\n", last_index);
17693 return 0; /* Empty rr list */
17695 spin_unlock_irq(&phba->hbalock);
17699 * Clear the rr_bmask and set all of the bits that are at this
17702 memset(phba->fcf.fcf_rr_bmask, 0,
17703 sizeof(*phba->fcf.fcf_rr_bmask));
17704 spin_lock_irq(&phba->hbalock);
17705 list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) {
17706 if (fcf_pri->fcf_rec.flag & LPFC_FCF_FLOGI_FAILED)
17709 * the 1st priority that has not FLOGI failed
17710 * will be the highest.
17713 next_fcf_pri = fcf_pri->fcf_rec.priority;
17714 spin_unlock_irq(&phba->hbalock);
17715 if (fcf_pri->fcf_rec.priority == next_fcf_pri) {
17716 rc = lpfc_sli4_fcf_rr_index_set(phba,
17717 fcf_pri->fcf_rec.fcf_index);
17721 spin_lock_irq(&phba->hbalock);
17724 * if next_fcf_pri was not set above and the list is not empty then
17725 * we have failed flogis on all of them. So reset flogi failed
17726 * and start at the beginning.
17728 if (!next_fcf_pri && !list_empty(&phba->fcf.fcf_pri_list)) {
17729 list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) {
17730 fcf_pri->fcf_rec.flag &= ~LPFC_FCF_FLOGI_FAILED;
17732 * the 1st priority that has not FLOGI failed
17733 * will be the highest.
17736 next_fcf_pri = fcf_pri->fcf_rec.priority;
17737 spin_unlock_irq(&phba->hbalock);
17738 if (fcf_pri->fcf_rec.priority == next_fcf_pri) {
17739 rc = lpfc_sli4_fcf_rr_index_set(phba,
17740 fcf_pri->fcf_rec.fcf_index);
17744 spin_lock_irq(&phba->hbalock);
17748 spin_unlock_irq(&phba->hbalock);
17753 * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index
17754 * @phba: pointer to lpfc hba data structure.
17756 * This routine is to get the next eligible FCF record index in a round
17757 * robin fashion. If the next eligible FCF record index equals to the
17758 * initial roundrobin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
17759 * shall be returned, otherwise, the next eligible FCF record's index
17760 * shall be returned.
17763 lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
17765 uint16_t next_fcf_index;
17768 /* Search start from next bit of currently registered FCF index */
17769 next_fcf_index = phba->fcf.current_rec.fcf_indx;
17772 /* Determine the next fcf index to check */
17773 next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX;
17774 next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
17775 LPFC_SLI4_FCF_TBL_INDX_MAX,
17778 /* Wrap around condition on phba->fcf.fcf_rr_bmask */
17779 if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
17781 * If we have wrapped then we need to clear the bits that
17782 * have been tested so that we can detect when we should
17783 * change the priority level.
17785 next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
17786 LPFC_SLI4_FCF_TBL_INDX_MAX, 0);
17790 /* Check roundrobin failover list empty condition */
17791 if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX ||
17792 next_fcf_index == phba->fcf.current_rec.fcf_indx) {
17794 * If next fcf index is not found check if there are lower
17795 * Priority level fcf's in the fcf_priority list.
17796 * Set up the rr_bmask with all of the avaiable fcf bits
17797 * at that level and continue the selection process.
17799 if (lpfc_check_next_fcf_pri_level(phba))
17800 goto initial_priority;
17801 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
17802 "2844 No roundrobin failover FCF available\n");
17803 if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX)
17804 return LPFC_FCOE_FCF_NEXT_NONE;
17806 lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
17807 "3063 Only FCF available idx %d, flag %x\n",
17809 phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag);
17810 return next_fcf_index;
17814 if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX &&
17815 phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag &
17816 LPFC_FCF_FLOGI_FAILED) {
17817 if (list_is_singular(&phba->fcf.fcf_pri_list))
17818 return LPFC_FCOE_FCF_NEXT_NONE;
17820 goto next_priority;
17823 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
17824 "2845 Get next roundrobin failover FCF (x%x)\n",
17827 return next_fcf_index;
17831 * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index
17832 * @phba: pointer to lpfc hba data structure.
17834 * This routine sets the FCF record index in to the eligible bmask for
17835 * roundrobin failover search. It checks to make sure that the index
17836 * does not go beyond the range of the driver allocated bmask dimension
17837 * before setting the bit.
17839 * Returns 0 if the index bit successfully set, otherwise, it returns
17843 lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index)
17845 if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
17846 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
17847 "2610 FCF (x%x) reached driver's book "
17848 "keeping dimension:x%x\n",
17849 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
17852 /* Set the eligible FCF record index bmask */
17853 set_bit(fcf_index, phba->fcf.fcf_rr_bmask);
17855 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
17856 "2790 Set FCF (x%x) to roundrobin FCF failover "
17857 "bmask\n", fcf_index);
17863 * lpfc_sli4_fcf_rr_index_clear - Clear bmask from eligible fcf record index
17864 * @phba: pointer to lpfc hba data structure.
17866 * This routine clears the FCF record index from the eligible bmask for
17867 * roundrobin failover search. It checks to make sure that the index
17868 * does not go beyond the range of the driver allocated bmask dimension
17869 * before clearing the bit.
17872 lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
17874 struct lpfc_fcf_pri *fcf_pri, *fcf_pri_next;
17875 if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
17876 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
17877 "2762 FCF (x%x) reached driver's book "
17878 "keeping dimension:x%x\n",
17879 fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
17882 /* Clear the eligible FCF record index bmask */
17883 spin_lock_irq(&phba->hbalock);
17884 list_for_each_entry_safe(fcf_pri, fcf_pri_next, &phba->fcf.fcf_pri_list,
17886 if (fcf_pri->fcf_rec.fcf_index == fcf_index) {
17887 list_del_init(&fcf_pri->list);
17891 spin_unlock_irq(&phba->hbalock);
17892 clear_bit(fcf_index, phba->fcf.fcf_rr_bmask);
17894 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
17895 "2791 Clear FCF (x%x) from roundrobin failover "
17896 "bmask\n", fcf_index);
17900 * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
17901 * @phba: pointer to lpfc hba data structure.
17903 * This routine is the completion routine for the rediscover FCF table mailbox
17904 * command. If the mailbox command returned failure, it will try to stop the
17905 * FCF rediscover wait timer.
17908 lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
17910 struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
17911 uint32_t shdr_status, shdr_add_status;
17913 redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl;
17915 shdr_status = bf_get(lpfc_mbox_hdr_status,
17916 &redisc_fcf->header.cfg_shdr.response);
17917 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
17918 &redisc_fcf->header.cfg_shdr.response);
17919 if (shdr_status || shdr_add_status) {
17920 lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
17921 "2746 Requesting for FCF rediscovery failed "
17922 "status x%x add_status x%x\n",
17923 shdr_status, shdr_add_status);
17924 if (phba->fcf.fcf_flag & FCF_ACVL_DISC) {
17925 spin_lock_irq(&phba->hbalock);
17926 phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
17927 spin_unlock_irq(&phba->hbalock);
17929 * CVL event triggered FCF rediscover request failed,
17930 * last resort to re-try current registered FCF entry.
17932 lpfc_retry_pport_discovery(phba);
17934 spin_lock_irq(&phba->hbalock);
17935 phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
17936 spin_unlock_irq(&phba->hbalock);
17938 * DEAD FCF event triggered FCF rediscover request
17939 * failed, last resort to fail over as a link down
17940 * to FCF registration.
17942 lpfc_sli4_fcf_dead_failthrough(phba);
17945 lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
17946 "2775 Start FCF rediscover quiescent timer\n");
17948 * Start FCF rediscovery wait timer for pending FCF
17949 * before rescan FCF record table.
17951 lpfc_fcf_redisc_wait_start_timer(phba);
17954 mempool_free(mbox, phba->mbox_mem_pool);
17958 * lpfc_sli4_redisc_fcf_table - Request to rediscover entire FCF table by port.
17959 * @phba: pointer to lpfc hba data structure.
17961 * This routine is invoked to request for rediscovery of the entire FCF table
17965 lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba)
17967 LPFC_MBOXQ_t *mbox;
17968 struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
17971 /* Cancel retry delay timers to all vports before FCF rediscover */
17972 lpfc_cancel_all_vport_retry_delay_timer(phba);
17974 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
17976 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
17977 "2745 Failed to allocate mbox for "
17978 "requesting FCF rediscover.\n");
17982 length = (sizeof(struct lpfc_mbx_redisc_fcf_tbl) -
17983 sizeof(struct lpfc_sli4_cfg_mhdr));
17984 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE,
17985 LPFC_MBOX_OPCODE_FCOE_REDISCOVER_FCF,
17986 length, LPFC_SLI4_MBX_EMBED);
17988 redisc_fcf = &mbox->u.mqe.un.redisc_fcf_tbl;
17989 /* Set count to 0 for invalidating the entire FCF database */
17990 bf_set(lpfc_mbx_redisc_fcf_count, redisc_fcf, 0);
17992 /* Issue the mailbox command asynchronously */
17993 mbox->vport = phba->pport;
17994 mbox->mbox_cmpl = lpfc_mbx_cmpl_redisc_fcf_table;
17995 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
17997 if (rc == MBX_NOT_FINISHED) {
17998 mempool_free(mbox, phba->mbox_mem_pool);
18005 * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event
18006 * @phba: pointer to lpfc hba data structure.
18008 * This function is the failover routine as a last resort to the FCF DEAD
18009 * event when driver failed to perform fast FCF failover.
18012 lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba)
18014 uint32_t link_state;
18017 * Last resort as FCF DEAD event failover will treat this as
18018 * a link down, but save the link state because we don't want
18019 * it to be changed to Link Down unless it is already down.
18021 link_state = phba->link_state;
18022 lpfc_linkdown(phba);
18023 phba->link_state = link_state;
18025 /* Unregister FCF if no devices connected to it */
18026 lpfc_unregister_unused_fcf(phba);
18030 * lpfc_sli_get_config_region23 - Get sli3 port region 23 data.
18031 * @phba: pointer to lpfc hba data structure.
18032 * @rgn23_data: pointer to configure region 23 data.
18034 * This function gets SLI3 port configure region 23 data through memory dump
18035 * mailbox command. When it successfully retrieves data, the size of the data
18036 * will be returned, otherwise, 0 will be returned.
18039 lpfc_sli_get_config_region23(struct lpfc_hba *phba, char *rgn23_data)
18041 LPFC_MBOXQ_t *pmb = NULL;
18043 uint32_t offset = 0;
18049 pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
18051 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
18052 "2600 failed to allocate mailbox memory\n");
18058 lpfc_dump_mem(phba, pmb, offset, DMP_REGION_23);
18059 rc = lpfc_sli_issue_mbox(phba, pmb, MBX_POLL);
18061 if (rc != MBX_SUCCESS) {
18062 lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
18063 "2601 failed to read config "
18064 "region 23, rc 0x%x Status 0x%x\n",
18065 rc, mb->mbxStatus);
18066 mb->un.varDmp.word_cnt = 0;
18069 * dump mem may return a zero when finished or we got a
18070 * mailbox error, either way we are done.
18072 if (mb->un.varDmp.word_cnt == 0)
18074 if (mb->un.varDmp.word_cnt > DMP_RGN23_SIZE - offset)
18075 mb->un.varDmp.word_cnt = DMP_RGN23_SIZE - offset;
18077 lpfc_sli_pcimem_bcopy(((uint8_t *)mb) + DMP_RSP_OFFSET,
18078 rgn23_data + offset,
18079 mb->un.varDmp.word_cnt);
18080 offset += mb->un.varDmp.word_cnt;
18081 } while (mb->un.varDmp.word_cnt && offset < DMP_RGN23_SIZE);
18083 mempool_free(pmb, phba->mbox_mem_pool);
18088 * lpfc_sli4_get_config_region23 - Get sli4 port region 23 data.
18089 * @phba: pointer to lpfc hba data structure.
18090 * @rgn23_data: pointer to configure region 23 data.
18092 * This function gets SLI4 port configure region 23 data through memory dump
18093 * mailbox command. When it successfully retrieves data, the size of the data
18094 * will be returned, otherwise, 0 will be returned.
18097 lpfc_sli4_get_config_region23(struct lpfc_hba *phba, char *rgn23_data)
18099 LPFC_MBOXQ_t *mboxq = NULL;
18100 struct lpfc_dmabuf *mp = NULL;
18101 struct lpfc_mqe *mqe;
18102 uint32_t data_length = 0;
18108 mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
18110 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
18111 "3105 failed to allocate mailbox memory\n");
18115 if (lpfc_sli4_dump_cfg_rg23(phba, mboxq))
18117 mqe = &mboxq->u.mqe;
18118 mp = (struct lpfc_dmabuf *) mboxq->context1;
18119 rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
18122 data_length = mqe->un.mb_words[5];
18123 if (data_length == 0)
18125 if (data_length > DMP_RGN23_SIZE) {
18129 lpfc_sli_pcimem_bcopy((char *)mp->virt, rgn23_data, data_length);
18131 mempool_free(mboxq, phba->mbox_mem_pool);
18133 lpfc_mbuf_free(phba, mp->virt, mp->phys);
18136 return data_length;
18140 * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
18141 * @phba: pointer to lpfc hba data structure.
18143 * This function read region 23 and parse TLV for port status to
18144 * decide if the user disaled the port. If the TLV indicates the
18145 * port is disabled, the hba_flag is set accordingly.
18148 lpfc_sli_read_link_ste(struct lpfc_hba *phba)
18150 uint8_t *rgn23_data = NULL;
18151 uint32_t if_type, data_size, sub_tlv_len, tlv_offset;
18152 uint32_t offset = 0;
18154 /* Get adapter Region 23 data */
18155 rgn23_data = kzalloc(DMP_RGN23_SIZE, GFP_KERNEL);
18159 if (phba->sli_rev < LPFC_SLI_REV4)
18160 data_size = lpfc_sli_get_config_region23(phba, rgn23_data);
18162 if_type = bf_get(lpfc_sli_intf_if_type,
18163 &phba->sli4_hba.sli_intf);
18164 if (if_type == LPFC_SLI_INTF_IF_TYPE_0)
18166 data_size = lpfc_sli4_get_config_region23(phba, rgn23_data);
18172 /* Check the region signature first */
18173 if (memcmp(&rgn23_data[offset], LPFC_REGION23_SIGNATURE, 4)) {
18174 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
18175 "2619 Config region 23 has bad signature\n");
18180 /* Check the data structure version */
18181 if (rgn23_data[offset] != LPFC_REGION23_VERSION) {
18182 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
18183 "2620 Config region 23 has bad version\n");
18188 /* Parse TLV entries in the region */
18189 while (offset < data_size) {
18190 if (rgn23_data[offset] == LPFC_REGION23_LAST_REC)
18193 * If the TLV is not driver specific TLV or driver id is
18194 * not linux driver id, skip the record.
18196 if ((rgn23_data[offset] != DRIVER_SPECIFIC_TYPE) ||
18197 (rgn23_data[offset + 2] != LINUX_DRIVER_ID) ||
18198 (rgn23_data[offset + 3] != 0)) {
18199 offset += rgn23_data[offset + 1] * 4 + 4;
18203 /* Driver found a driver specific TLV in the config region */
18204 sub_tlv_len = rgn23_data[offset + 1] * 4;
18209 * Search for configured port state sub-TLV.
18211 while ((offset < data_size) &&
18212 (tlv_offset < sub_tlv_len)) {
18213 if (rgn23_data[offset] == LPFC_REGION23_LAST_REC) {
18218 if (rgn23_data[offset] != PORT_STE_TYPE) {
18219 offset += rgn23_data[offset + 1] * 4 + 4;
18220 tlv_offset += rgn23_data[offset + 1] * 4 + 4;
18224 /* This HBA contains PORT_STE configured */
18225 if (!rgn23_data[offset + 2])
18226 phba->hba_flag |= LINK_DISABLED;
18238 * lpfc_wr_object - write an object to the firmware
18239 * @phba: HBA structure that indicates port to create a queue on.
18240 * @dmabuf_list: list of dmabufs to write to the port.
18241 * @size: the total byte value of the objects to write to the port.
18242 * @offset: the current offset to be used to start the transfer.
18244 * This routine will create a wr_object mailbox command to send to the port.
18245 * the mailbox command will be constructed using the dma buffers described in
18246 * @dmabuf_list to create a list of BDEs. This routine will fill in as many
18247 * BDEs that the imbedded mailbox can support. The @offset variable will be
18248 * used to indicate the starting offset of the transfer and will also return
18249 * the offset after the write object mailbox has completed. @size is used to
18250 * determine the end of the object and whether the eof bit should be set.
18252 * Return 0 is successful and offset will contain the the new offset to use
18253 * for the next write.
18254 * Return negative value for error cases.
18257 lpfc_wr_object(struct lpfc_hba *phba, struct list_head *dmabuf_list,
18258 uint32_t size, uint32_t *offset)
18260 struct lpfc_mbx_wr_object *wr_object;
18261 LPFC_MBOXQ_t *mbox;
18263 uint32_t shdr_status, shdr_add_status;
18265 union lpfc_sli4_cfg_shdr *shdr;
18266 struct lpfc_dmabuf *dmabuf;
18267 uint32_t written = 0;
18269 mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
18273 lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
18274 LPFC_MBOX_OPCODE_WRITE_OBJECT,
18275 sizeof(struct lpfc_mbx_wr_object) -
18276 sizeof(struct lpfc_sli4_cfg_mhdr), LPFC_SLI4_MBX_EMBED);
18278 wr_object = (struct lpfc_mbx_wr_object *)&mbox->u.mqe.un.wr_object;
18279 wr_object->u.request.write_offset = *offset;
18280 sprintf((uint8_t *)wr_object->u.request.object_name, "/");
18281 wr_object->u.request.object_name[0] =
18282 cpu_to_le32(wr_object->u.request.object_name[0]);
18283 bf_set(lpfc_wr_object_eof, &wr_object->u.request, 0);
18284 list_for_each_entry(dmabuf, dmabuf_list, list) {
18285 if (i >= LPFC_MBX_WR_CONFIG_MAX_BDE || written >= size)
18287 wr_object->u.request.bde[i].addrLow = putPaddrLow(dmabuf->phys);
18288 wr_object->u.request.bde[i].addrHigh =
18289 putPaddrHigh(dmabuf->phys);
18290 if (written + SLI4_PAGE_SIZE >= size) {
18291 wr_object->u.request.bde[i].tus.f.bdeSize =
18293 written += (size - written);
18294 bf_set(lpfc_wr_object_eof, &wr_object->u.request, 1);
18296 wr_object->u.request.bde[i].tus.f.bdeSize =
18298 written += SLI4_PAGE_SIZE;
18302 wr_object->u.request.bde_count = i;
18303 bf_set(lpfc_wr_object_write_length, &wr_object->u.request, written);
18304 if (!phba->sli4_hba.intr_enable)
18305 rc = lpfc_sli_issue_mbox(phba, mbox, MBX_POLL);
18307 mbox_tmo = lpfc_mbox_tmo_val(phba, mbox);
18308 rc = lpfc_sli_issue_mbox_wait(phba, mbox, mbox_tmo);
18310 /* The IOCTL status is embedded in the mailbox subheader. */
18311 shdr = (union lpfc_sli4_cfg_shdr *) &wr_object->header.cfg_shdr;
18312 shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
18313 shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
18314 if (rc != MBX_TIMEOUT)
18315 mempool_free(mbox, phba->mbox_mem_pool);
18316 if (shdr_status || shdr_add_status || rc) {
18317 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
18318 "3025 Write Object mailbox failed with "
18319 "status x%x add_status x%x, mbx status x%x\n",
18320 shdr_status, shdr_add_status, rc);
18323 *offset += wr_object->u.response.actual_write_length;
18328 * lpfc_cleanup_pending_mbox - Free up vport discovery mailbox commands.
18329 * @vport: pointer to vport data structure.
18331 * This function iterate through the mailboxq and clean up all REG_LOGIN
18332 * and REG_VPI mailbox commands associated with the vport. This function
18333 * is called when driver want to restart discovery of the vport due to
18334 * a Clear Virtual Link event.
18337 lpfc_cleanup_pending_mbox(struct lpfc_vport *vport)
18339 struct lpfc_hba *phba = vport->phba;
18340 LPFC_MBOXQ_t *mb, *nextmb;
18341 struct lpfc_dmabuf *mp;
18342 struct lpfc_nodelist *ndlp;
18343 struct lpfc_nodelist *act_mbx_ndlp = NULL;
18344 struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
18345 LIST_HEAD(mbox_cmd_list);
18346 uint8_t restart_loop;
18348 /* Clean up internally queued mailbox commands with the vport */
18349 spin_lock_irq(&phba->hbalock);
18350 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
18351 if (mb->vport != vport)
18354 if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) &&
18355 (mb->u.mb.mbxCommand != MBX_REG_VPI))
18358 list_del(&mb->list);
18359 list_add_tail(&mb->list, &mbox_cmd_list);
18361 /* Clean up active mailbox command with the vport */
18362 mb = phba->sli.mbox_active;
18363 if (mb && (mb->vport == vport)) {
18364 if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) ||
18365 (mb->u.mb.mbxCommand == MBX_REG_VPI))
18366 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
18367 if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
18368 act_mbx_ndlp = (struct lpfc_nodelist *)mb->context2;
18369 /* Put reference count for delayed processing */
18370 act_mbx_ndlp = lpfc_nlp_get(act_mbx_ndlp);
18371 /* Unregister the RPI when mailbox complete */
18372 mb->mbox_flag |= LPFC_MBX_IMED_UNREG;
18375 /* Cleanup any mailbox completions which are not yet processed */
18378 list_for_each_entry(mb, &phba->sli.mboxq_cmpl, list) {
18380 * If this mailox is already processed or it is
18381 * for another vport ignore it.
18383 if ((mb->vport != vport) ||
18384 (mb->mbox_flag & LPFC_MBX_IMED_UNREG))
18387 if ((mb->u.mb.mbxCommand != MBX_REG_LOGIN64) &&
18388 (mb->u.mb.mbxCommand != MBX_REG_VPI))
18391 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
18392 if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
18393 ndlp = (struct lpfc_nodelist *)mb->context2;
18394 /* Unregister the RPI when mailbox complete */
18395 mb->mbox_flag |= LPFC_MBX_IMED_UNREG;
18397 spin_unlock_irq(&phba->hbalock);
18398 spin_lock(shost->host_lock);
18399 ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
18400 spin_unlock(shost->host_lock);
18401 spin_lock_irq(&phba->hbalock);
18405 } while (restart_loop);
18407 spin_unlock_irq(&phba->hbalock);
18409 /* Release the cleaned-up mailbox commands */
18410 while (!list_empty(&mbox_cmd_list)) {
18411 list_remove_head(&mbox_cmd_list, mb, LPFC_MBOXQ_t, list);
18412 if (mb->u.mb.mbxCommand == MBX_REG_LOGIN64) {
18413 mp = (struct lpfc_dmabuf *) (mb->context1);
18415 __lpfc_mbuf_free(phba, mp->virt, mp->phys);
18418 ndlp = (struct lpfc_nodelist *) mb->context2;
18419 mb->context2 = NULL;
18421 spin_lock(shost->host_lock);
18422 ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
18423 spin_unlock(shost->host_lock);
18424 lpfc_nlp_put(ndlp);
18427 mempool_free(mb, phba->mbox_mem_pool);
18430 /* Release the ndlp with the cleaned-up active mailbox command */
18431 if (act_mbx_ndlp) {
18432 spin_lock(shost->host_lock);
18433 act_mbx_ndlp->nlp_flag &= ~NLP_IGNR_REG_CMPL;
18434 spin_unlock(shost->host_lock);
18435 lpfc_nlp_put(act_mbx_ndlp);
18440 * lpfc_drain_txq - Drain the txq
18441 * @phba: Pointer to HBA context object.
18443 * This function attempt to submit IOCBs on the txq
18444 * to the adapter. For SLI4 adapters, the txq contains
18445 * ELS IOCBs that have been deferred because the there
18446 * are no SGLs. This congestion can occur with large
18447 * vport counts during node discovery.
18451 lpfc_drain_txq(struct lpfc_hba *phba)
18453 LIST_HEAD(completions);
18454 struct lpfc_sli_ring *pring;
18455 struct lpfc_iocbq *piocbq = NULL;
18456 unsigned long iflags = 0;
18457 char *fail_msg = NULL;
18458 struct lpfc_sglq *sglq;
18459 union lpfc_wqe128 wqe128;
18460 union lpfc_wqe *wqe = (union lpfc_wqe *) &wqe128;
18461 uint32_t txq_cnt = 0;
18463 pring = lpfc_phba_elsring(phba);
18465 spin_lock_irqsave(&pring->ring_lock, iflags);
18466 list_for_each_entry(piocbq, &pring->txq, list) {
18470 if (txq_cnt > pring->txq_max)
18471 pring->txq_max = txq_cnt;
18473 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18475 while (!list_empty(&pring->txq)) {
18476 spin_lock_irqsave(&pring->ring_lock, iflags);
18478 piocbq = lpfc_sli_ringtx_get(phba, pring);
18480 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18481 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
18482 "2823 txq empty and txq_cnt is %d\n ",
18486 sglq = __lpfc_sli_get_els_sglq(phba, piocbq);
18488 __lpfc_sli_ringtx_put(phba, pring, piocbq);
18489 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18494 /* The xri and iocb resources secured,
18495 * attempt to issue request
18497 piocbq->sli4_lxritag = sglq->sli4_lxritag;
18498 piocbq->sli4_xritag = sglq->sli4_xritag;
18499 if (NO_XRI == lpfc_sli4_bpl2sgl(phba, piocbq, sglq))
18500 fail_msg = "to convert bpl to sgl";
18501 else if (lpfc_sli4_iocb2wqe(phba, piocbq, wqe))
18502 fail_msg = "to convert iocb to wqe";
18503 else if (lpfc_sli4_wq_put(phba->sli4_hba.els_wq, wqe))
18504 fail_msg = " - Wq is full";
18506 lpfc_sli_ringtxcmpl_put(phba, pring, piocbq);
18509 /* Failed means we can't issue and need to cancel */
18510 lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
18511 "2822 IOCB failed %s iotag 0x%x "
18514 piocbq->iotag, piocbq->sli4_xritag);
18515 list_add_tail(&piocbq->list, &completions);
18517 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18520 /* Cancel all the IOCBs that cannot be issued */
18521 lpfc_sli_cancel_iocbs(phba, &completions, IOSTAT_LOCAL_REJECT,
18522 IOERR_SLI_ABORTED);
18528 * lpfc_wqe_bpl2sgl - Convert the bpl/bde to a sgl.
18529 * @phba: Pointer to HBA context object.
18530 * @pwqe: Pointer to command WQE.
18531 * @sglq: Pointer to the scatter gather queue object.
18533 * This routine converts the bpl or bde that is in the WQE
18534 * to a sgl list for the sli4 hardware. The physical address
18535 * of the bpl/bde is converted back to a virtual address.
18536 * If the WQE contains a BPL then the list of BDE's is
18537 * converted to sli4_sge's. If the WQE contains a single
18538 * BDE then it is converted to a single sli_sge.
18539 * The WQE is still in cpu endianness so the contents of
18540 * the bpl can be used without byte swapping.
18542 * Returns valid XRI = Success, NO_XRI = Failure.
18545 lpfc_wqe_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeq,
18546 struct lpfc_sglq *sglq)
18548 uint16_t xritag = NO_XRI;
18549 struct ulp_bde64 *bpl = NULL;
18550 struct ulp_bde64 bde;
18551 struct sli4_sge *sgl = NULL;
18552 struct lpfc_dmabuf *dmabuf;
18553 union lpfc_wqe *wqe;
18556 uint32_t offset = 0; /* accumulated offset in the sg request list */
18557 int inbound = 0; /* number of sg reply entries inbound from firmware */
18560 if (!pwqeq || !sglq)
18563 sgl = (struct sli4_sge *)sglq->sgl;
18565 pwqeq->iocb.ulpIoTag = pwqeq->iotag;
18567 cmd = bf_get(wqe_cmnd, &wqe->generic.wqe_com);
18568 if (cmd == CMD_XMIT_BLS_RSP64_WQE)
18569 return sglq->sli4_xritag;
18570 numBdes = pwqeq->rsvd2;
18572 /* The addrHigh and addrLow fields within the WQE
18573 * have not been byteswapped yet so there is no
18574 * need to swap them back.
18576 if (pwqeq->context3)
18577 dmabuf = (struct lpfc_dmabuf *)pwqeq->context3;
18581 bpl = (struct ulp_bde64 *)dmabuf->virt;
18585 for (i = 0; i < numBdes; i++) {
18586 /* Should already be byte swapped. */
18587 sgl->addr_hi = bpl->addrHigh;
18588 sgl->addr_lo = bpl->addrLow;
18590 sgl->word2 = le32_to_cpu(sgl->word2);
18591 if ((i+1) == numBdes)
18592 bf_set(lpfc_sli4_sge_last, sgl, 1);
18594 bf_set(lpfc_sli4_sge_last, sgl, 0);
18595 /* swap the size field back to the cpu so we
18596 * can assign it to the sgl.
18598 bde.tus.w = le32_to_cpu(bpl->tus.w);
18599 sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize);
18600 /* The offsets in the sgl need to be accumulated
18601 * separately for the request and reply lists.
18602 * The request is always first, the reply follows.
18605 case CMD_GEN_REQUEST64_WQE:
18606 /* add up the reply sg entries */
18607 if (bpl->tus.f.bdeFlags == BUFF_TYPE_BDE_64I)
18609 /* first inbound? reset the offset */
18612 bf_set(lpfc_sli4_sge_offset, sgl, offset);
18613 bf_set(lpfc_sli4_sge_type, sgl,
18614 LPFC_SGE_TYPE_DATA);
18615 offset += bde.tus.f.bdeSize;
18617 case CMD_FCP_TRSP64_WQE:
18618 bf_set(lpfc_sli4_sge_offset, sgl, 0);
18619 bf_set(lpfc_sli4_sge_type, sgl,
18620 LPFC_SGE_TYPE_DATA);
18622 case CMD_FCP_TSEND64_WQE:
18623 case CMD_FCP_TRECEIVE64_WQE:
18624 bf_set(lpfc_sli4_sge_type, sgl,
18625 bpl->tus.f.bdeFlags);
18629 offset += bde.tus.f.bdeSize;
18630 bf_set(lpfc_sli4_sge_offset, sgl, offset);
18633 sgl->word2 = cpu_to_le32(sgl->word2);
18637 } else if (wqe->gen_req.bde.tus.f.bdeFlags == BUFF_TYPE_BDE_64) {
18638 /* The addrHigh and addrLow fields of the BDE have not
18639 * been byteswapped yet so they need to be swapped
18640 * before putting them in the sgl.
18642 sgl->addr_hi = cpu_to_le32(wqe->gen_req.bde.addrHigh);
18643 sgl->addr_lo = cpu_to_le32(wqe->gen_req.bde.addrLow);
18644 sgl->word2 = le32_to_cpu(sgl->word2);
18645 bf_set(lpfc_sli4_sge_last, sgl, 1);
18646 sgl->word2 = cpu_to_le32(sgl->word2);
18647 sgl->sge_len = cpu_to_le32(wqe->gen_req.bde.tus.f.bdeSize);
18649 return sglq->sli4_xritag;
18653 * lpfc_sli4_issue_wqe - Issue an SLI4 Work Queue Entry (WQE)
18654 * @phba: Pointer to HBA context object.
18655 * @ring_number: Base sli ring number
18656 * @pwqe: Pointer to command WQE.
18659 lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number,
18660 struct lpfc_iocbq *pwqe)
18662 union lpfc_wqe *wqe = &pwqe->wqe;
18663 struct lpfc_nvmet_rcv_ctx *ctxp;
18664 struct lpfc_queue *wq;
18665 struct lpfc_sglq *sglq;
18666 struct lpfc_sli_ring *pring;
18667 unsigned long iflags;
18669 /* NVME_LS and NVME_LS ABTS requests. */
18670 if (pwqe->iocb_flag & LPFC_IO_NVME_LS) {
18671 pring = phba->sli4_hba.nvmels_wq->pring;
18672 spin_lock_irqsave(&pring->ring_lock, iflags);
18673 sglq = __lpfc_sli_get_els_sglq(phba, pwqe);
18675 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18678 pwqe->sli4_lxritag = sglq->sli4_lxritag;
18679 pwqe->sli4_xritag = sglq->sli4_xritag;
18680 if (lpfc_wqe_bpl2sgl(phba, pwqe, sglq) == NO_XRI) {
18681 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18684 bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com,
18685 pwqe->sli4_xritag);
18686 if (lpfc_sli4_wq_put(phba->sli4_hba.nvmels_wq, wqe)) {
18687 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18690 lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
18691 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18695 /* NVME_FCREQ and NVME_ABTS requests */
18696 if (pwqe->iocb_flag & LPFC_IO_NVME) {
18697 /* Get the IO distribution (hba_wqidx) for WQ assignment. */
18698 pring = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]->pring;
18700 spin_lock_irqsave(&pring->ring_lock, iflags);
18701 wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx];
18702 bf_set(wqe_cqid, &wqe->generic.wqe_com,
18703 phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id);
18704 if (lpfc_sli4_wq_put(wq, wqe)) {
18705 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18708 lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
18709 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18713 /* NVMET requests */
18714 if (pwqe->iocb_flag & LPFC_IO_NVMET) {
18715 /* Get the IO distribution (hba_wqidx) for WQ assignment. */
18716 pring = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx]->pring;
18718 spin_lock_irqsave(&pring->ring_lock, iflags);
18719 ctxp = pwqe->context2;
18720 sglq = ctxp->rqb_buffer->sglq;
18721 if (pwqe->sli4_xritag == NO_XRI) {
18722 pwqe->sli4_lxritag = sglq->sli4_lxritag;
18723 pwqe->sli4_xritag = sglq->sli4_xritag;
18725 bf_set(wqe_xri_tag, &pwqe->wqe.xmit_bls_rsp.wqe_com,
18726 pwqe->sli4_xritag);
18727 wq = phba->sli4_hba.nvme_wq[pwqe->hba_wqidx];
18728 bf_set(wqe_cqid, &wqe->generic.wqe_com,
18729 phba->sli4_hba.nvme_cq[pwqe->hba_wqidx]->queue_id);
18730 if (lpfc_sli4_wq_put(wq, wqe)) {
18731 spin_unlock_irqrestore(&pring->ring_lock, iflags);
18734 lpfc_sli_ringtxcmpl_put(phba, pring, pwqe);
18735 spin_unlock_irqrestore(&pring->ring_lock, iflags);