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path: root/drivers/scsi/lpfc/lpfc_sli.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c115
1 files changed, 103 insertions, 12 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index fdd01e384e36..fc0d9501aba6 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1,7 +1,7 @@
1/******************************************************************* 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for * 2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. * 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2007 Emulex. All rights reserved. * 4 * Copyright (C) 2004-2008 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. * 5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com * 6 * www.emulex.com *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig * 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -203,8 +203,25 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd)
203 case CMD_IOCB_RCV_SEQ64_CX: 203 case CMD_IOCB_RCV_SEQ64_CX:
204 case CMD_IOCB_RCV_ELS64_CX: 204 case CMD_IOCB_RCV_ELS64_CX:
205 case CMD_IOCB_RCV_CONT64_CX: 205 case CMD_IOCB_RCV_CONT64_CX:
206 case CMD_IOCB_RET_XRI64_CX:
206 type = LPFC_UNSOL_IOCB; 207 type = LPFC_UNSOL_IOCB;
207 break; 208 break;
209 case CMD_IOCB_XMIT_MSEQ64_CR:
210 case CMD_IOCB_XMIT_MSEQ64_CX:
211 case CMD_IOCB_RCV_SEQ_LIST64_CX:
212 case CMD_IOCB_RCV_ELS_LIST64_CX:
213 case CMD_IOCB_CLOSE_EXTENDED_CN:
214 case CMD_IOCB_ABORT_EXTENDED_CN:
215 case CMD_IOCB_RET_HBQE64_CN:
216 case CMD_IOCB_FCP_IBIDIR64_CR:
217 case CMD_IOCB_FCP_IBIDIR64_CX:
218 case CMD_IOCB_FCP_ITASKMGT64_CX:
219 case CMD_IOCB_LOGENTRY_CN:
220 case CMD_IOCB_LOGENTRY_ASYNC_CN:
221 printk("%s - Unhandled SLI-3 Command x%x\n",
222 __FUNCTION__, iocb_cmnd);
223 type = LPFC_UNKNOWN_IOCB;
224 break;
208 default: 225 default:
209 type = LPFC_UNKNOWN_IOCB; 226 type = LPFC_UNKNOWN_IOCB;
210 break; 227 break;
@@ -529,10 +546,13 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
529{ 546{
530 struct lpfc_dmabuf *dmabuf, *next_dmabuf; 547 struct lpfc_dmabuf *dmabuf, *next_dmabuf;
531 struct hbq_dmabuf *hbq_buf; 548 struct hbq_dmabuf *hbq_buf;
549 unsigned long flags;
532 int i, hbq_count; 550 int i, hbq_count;
551 uint32_t hbqno;
533 552
534 hbq_count = lpfc_sli_hbq_count(); 553 hbq_count = lpfc_sli_hbq_count();
535 /* Return all memory used by all HBQs */ 554 /* Return all memory used by all HBQs */
555 spin_lock_irqsave(&phba->hbalock, flags);
536 for (i = 0; i < hbq_count; ++i) { 556 for (i = 0; i < hbq_count; ++i) {
537 list_for_each_entry_safe(dmabuf, next_dmabuf, 557 list_for_each_entry_safe(dmabuf, next_dmabuf,
538 &phba->hbqs[i].hbq_buffer_list, list) { 558 &phba->hbqs[i].hbq_buffer_list, list) {
@@ -542,6 +562,28 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba)
542 } 562 }
543 phba->hbqs[i].buffer_count = 0; 563 phba->hbqs[i].buffer_count = 0;
544 } 564 }
565 /* Return all HBQ buffer that are in-fly */
566 list_for_each_entry_safe(dmabuf, next_dmabuf,
567 &phba->hbqbuf_in_list, list) {
568 hbq_buf = container_of(dmabuf, struct hbq_dmabuf, dbuf);
569 list_del(&hbq_buf->dbuf.list);
570 if (hbq_buf->tag == -1) {
571 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
572 (phba, hbq_buf);
573 } else {
574 hbqno = hbq_buf->tag >> 16;
575 if (hbqno >= LPFC_MAX_HBQS)
576 (phba->hbqs[LPFC_ELS_HBQ].hbq_free_buffer)
577 (phba, hbq_buf);
578 else
579 (phba->hbqs[hbqno].hbq_free_buffer)(phba,
580 hbq_buf);
581 }
582 }
583
584 /* Mark the HBQs not in use */
585 phba->hbq_in_use = 0;
586 spin_unlock_irqrestore(&phba->hbalock, flags);
545} 587}
546 588
547static struct lpfc_hbq_entry * 589static struct lpfc_hbq_entry *
@@ -603,30 +645,40 @@ static int
603lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) 645lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
604{ 646{
605 uint32_t i, start, end; 647 uint32_t i, start, end;
648 unsigned long flags;
606 struct hbq_dmabuf *hbq_buffer; 649 struct hbq_dmabuf *hbq_buffer;
607 650
608 if (!phba->hbqs[hbqno].hbq_alloc_buffer) { 651 if (!phba->hbqs[hbqno].hbq_alloc_buffer)
609 return 0; 652 return 0;
610 }
611 653
612 start = phba->hbqs[hbqno].buffer_count; 654 start = phba->hbqs[hbqno].buffer_count;
613 end = count + start; 655 end = count + start;
614 if (end > lpfc_hbq_defs[hbqno]->entry_count) { 656 if (end > lpfc_hbq_defs[hbqno]->entry_count)
615 end = lpfc_hbq_defs[hbqno]->entry_count; 657 end = lpfc_hbq_defs[hbqno]->entry_count;
616 } 658
659 /* Check whether HBQ is still in use */
660 spin_lock_irqsave(&phba->hbalock, flags);
661 if (!phba->hbq_in_use)
662 goto out;
617 663
618 /* Populate HBQ entries */ 664 /* Populate HBQ entries */
619 for (i = start; i < end; i++) { 665 for (i = start; i < end; i++) {
620 hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); 666 hbq_buffer = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
621 if (!hbq_buffer) 667 if (!hbq_buffer)
622 return 1; 668 goto err;
623 hbq_buffer->tag = (i | (hbqno << 16)); 669 hbq_buffer->tag = (i | (hbqno << 16));
624 if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) 670 if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer))
625 phba->hbqs[hbqno].buffer_count++; 671 phba->hbqs[hbqno].buffer_count++;
626 else 672 else
627 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); 673 (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer);
628 } 674 }
675
676 out:
677 spin_unlock_irqrestore(&phba->hbalock, flags);
629 return 0; 678 return 0;
679 err:
680 spin_unlock_irqrestore(&phba->hbalock, flags);
681 return 1;
630} 682}
631 683
632int 684int
@@ -910,16 +962,29 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
910 uint32_t hbqno; 962 uint32_t hbqno;
911 void *virt; /* virtual address ptr */ 963 void *virt; /* virtual address ptr */
912 dma_addr_t phys; /* mapped address */ 964 dma_addr_t phys; /* mapped address */
965 unsigned long flags;
966
967 /* Check whether HBQ is still in use */
968 spin_lock_irqsave(&phba->hbalock, flags);
969 if (!phba->hbq_in_use) {
970 spin_unlock_irqrestore(&phba->hbalock, flags);
971 return NULL;
972 }
913 973
914 hbq_entry = lpfc_sli_hbqbuf_find(phba, tag); 974 hbq_entry = lpfc_sli_hbqbuf_find(phba, tag);
915 if (hbq_entry == NULL) 975 if (hbq_entry == NULL) {
976 spin_unlock_irqrestore(&phba->hbalock, flags);
916 return NULL; 977 return NULL;
978 }
917 list_del(&hbq_entry->dbuf.list); 979 list_del(&hbq_entry->dbuf.list);
918 980
919 hbqno = tag >> 16; 981 hbqno = tag >> 16;
920 new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba); 982 new_hbq_entry = (phba->hbqs[hbqno].hbq_alloc_buffer)(phba);
921 if (new_hbq_entry == NULL) 983 if (new_hbq_entry == NULL) {
984 list_add_tail(&hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
985 spin_unlock_irqrestore(&phba->hbalock, flags);
922 return &hbq_entry->dbuf; 986 return &hbq_entry->dbuf;
987 }
923 new_hbq_entry->tag = -1; 988 new_hbq_entry->tag = -1;
924 phys = new_hbq_entry->dbuf.phys; 989 phys = new_hbq_entry->dbuf.phys;
925 virt = new_hbq_entry->dbuf.virt; 990 virt = new_hbq_entry->dbuf.virt;
@@ -928,6 +993,9 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag)
928 hbq_entry->dbuf.phys = phys; 993 hbq_entry->dbuf.phys = phys;
929 hbq_entry->dbuf.virt = virt; 994 hbq_entry->dbuf.virt = virt;
930 lpfc_sli_free_hbq(phba, hbq_entry); 995 lpfc_sli_free_hbq(phba, hbq_entry);
996 list_add_tail(&new_hbq_entry->dbuf.list, &phba->hbqbuf_in_list);
997 spin_unlock_irqrestore(&phba->hbalock, flags);
998
931 return &new_hbq_entry->dbuf; 999 return &new_hbq_entry->dbuf;
932} 1000}
933 1001
@@ -951,6 +1019,7 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
951 uint32_t Rctl, Type; 1019 uint32_t Rctl, Type;
952 uint32_t match, i; 1020 uint32_t match, i;
953 struct lpfc_iocbq *iocbq; 1021 struct lpfc_iocbq *iocbq;
1022 struct lpfc_dmabuf *dmzbuf;
954 1023
955 match = 0; 1024 match = 0;
956 irsp = &(saveq->iocb); 1025 irsp = &(saveq->iocb);
@@ -972,6 +1041,29 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
972 return 1; 1041 return 1;
973 } 1042 }
974 1043
1044 if ((irsp->ulpCommand == CMD_IOCB_RET_XRI64_CX) &&
1045 (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) {
1046 if (irsp->ulpBdeCount > 0) {
1047 dmzbuf = lpfc_sli_get_buff(phba, pring,
1048 irsp->un.ulpWord[3]);
1049 lpfc_in_buf_free(phba, dmzbuf);
1050 }
1051
1052 if (irsp->ulpBdeCount > 1) {
1053 dmzbuf = lpfc_sli_get_buff(phba, pring,
1054 irsp->unsli3.sli3Words[3]);
1055 lpfc_in_buf_free(phba, dmzbuf);
1056 }
1057
1058 if (irsp->ulpBdeCount > 2) {
1059 dmzbuf = lpfc_sli_get_buff(phba, pring,
1060 irsp->unsli3.sli3Words[7]);
1061 lpfc_in_buf_free(phba, dmzbuf);
1062 }
1063
1064 return 1;
1065 }
1066
975 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { 1067 if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
976 if (irsp->ulpBdeCount != 0) { 1068 if (irsp->ulpBdeCount != 0) {
977 saveq->context2 = lpfc_sli_get_buff(phba, pring, 1069 saveq->context2 = lpfc_sli_get_buff(phba, pring,
@@ -2293,6 +2385,7 @@ lpfc_sli_hbq_setup(struct lpfc_hba *phba)
2293 2385
2294 /* Initialize the struct lpfc_sli_hbq structure for each hbq */ 2386 /* Initialize the struct lpfc_sli_hbq structure for each hbq */
2295 phba->link_state = LPFC_INIT_MBX_CMDS; 2387 phba->link_state = LPFC_INIT_MBX_CMDS;
2388 phba->hbq_in_use = 1;
2296 2389
2297 hbq_entry_index = 0; 2390 hbq_entry_index = 0;
2298 for (hbqno = 0; hbqno < hbq_count; ++hbqno) { 2391 for (hbqno = 0; hbqno < hbq_count; ++hbqno) {
@@ -2404,9 +2497,7 @@ lpfc_do_config_port(struct lpfc_hba *phba, int sli_mode)
2404 if ((pmb->mb.un.varCfgPort.sli_mode == 3) && 2497 if ((pmb->mb.un.varCfgPort.sli_mode == 3) &&
2405 (!pmb->mb.un.varCfgPort.cMA)) { 2498 (!pmb->mb.un.varCfgPort.cMA)) {
2406 rc = -ENXIO; 2499 rc = -ENXIO;
2407 goto do_prep_failed;
2408 } 2500 }
2409 return rc;
2410 2501
2411do_prep_failed: 2502do_prep_failed:
2412 mempool_free(pmb, phba->mbox_mem_pool); 2503 mempool_free(pmb, phba->mbox_mem_pool);
@@ -2625,14 +2716,14 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag)
2625 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 2716 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2626 2717
2627 /* Mbox command <mbxCommand> cannot issue */ 2718 /* Mbox command <mbxCommand> cannot issue */
2628 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) 2719 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
2629 return MBX_NOT_FINISHED; 2720 return MBX_NOT_FINISHED;
2630 } 2721 }
2631 2722
2632 if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT && 2723 if (mb->mbxCommand != MBX_KILL_BOARD && flag & MBX_NOWAIT &&
2633 !(readl(phba->HCregaddr) & HC_MBINT_ENA)) { 2724 !(readl(phba->HCregaddr) & HC_MBINT_ENA)) {
2634 spin_unlock_irqrestore(&phba->hbalock, drvr_flag); 2725 spin_unlock_irqrestore(&phba->hbalock, drvr_flag);
2635 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag) 2726 LOG_MBOX_CANNOT_ISSUE_DATA(phba, pmbox, psli, flag);
2636 return MBX_NOT_FINISHED; 2727 return MBX_NOT_FINISHED;
2637 } 2728 }
2638 2729