diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mid.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_mid.c | 349 |
1 files changed, 343 insertions, 6 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index da3db3abb82..386ffeae5b5 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c | |||
@@ -101,6 +101,7 @@ qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) | |||
101 | "loop_id=0x%04x :%x\n", | 101 | "loop_id=0x%04x :%x\n", |
102 | vha->host_no, fcport->loop_id, fcport->vp_idx)); | 102 | vha->host_no, fcport->loop_id, fcport->vp_idx)); |
103 | 103 | ||
104 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); | ||
104 | qla2x00_mark_device_lost(vha, fcport, 0, 0); | 105 | qla2x00_mark_device_lost(vha, fcport, 0, 0); |
105 | atomic_set(&fcport->state, FCS_UNCONFIGURED); | 106 | atomic_set(&fcport->state, FCS_UNCONFIGURED); |
106 | } | 107 | } |
@@ -191,9 +192,10 @@ qla24xx_configure_vp(scsi_qla_host_t *vha) | |||
191 | } | 192 | } |
192 | 193 | ||
193 | void | 194 | void |
194 | qla2x00_alert_all_vps(struct qla_hw_data *ha, uint16_t *mb) | 195 | qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) |
195 | { | 196 | { |
196 | scsi_qla_host_t *vha; | 197 | scsi_qla_host_t *vha; |
198 | struct qla_hw_data *ha = rsp->hw; | ||
197 | int i = 0; | 199 | int i = 0; |
198 | 200 | ||
199 | list_for_each_entry(vha, &ha->vp_list, list) { | 201 | list_for_each_entry(vha, &ha->vp_list, list) { |
@@ -210,7 +212,7 @@ qla2x00_alert_all_vps(struct qla_hw_data *ha, uint16_t *mb) | |||
210 | DEBUG15(printk("scsi(%ld)%s: Async_event for" | 212 | DEBUG15(printk("scsi(%ld)%s: Async_event for" |
211 | " VP[%d], mb = 0x%x, vha=%p\n", | 213 | " VP[%d], mb = 0x%x, vha=%p\n", |
212 | vha->host_no, __func__, i, *mb, vha)); | 214 | vha->host_no, __func__, i, *mb, vha)); |
213 | qla2x00_async_event(vha, mb); | 215 | qla2x00_async_event(vha, rsp, mb); |
214 | break; | 216 | break; |
215 | } | 217 | } |
216 | } | 218 | } |
@@ -282,8 +284,7 @@ qla2x00_do_dpc_vp(scsi_qla_host_t *vha) | |||
282 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); | 284 | clear_bit(RESET_ACTIVE, &vha->dpc_flags); |
283 | } | 285 | } |
284 | 286 | ||
285 | if (atomic_read(&vha->vp_state) == VP_ACTIVE && | 287 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { |
286 | test_and_clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { | ||
287 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { | 288 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))) { |
288 | qla2x00_loop_resync(vha); | 289 | qla2x00_loop_resync(vha); |
289 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); | 290 | clear_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags); |
@@ -367,7 +368,6 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) | |||
367 | 368 | ||
368 | host = vha->host; | 369 | host = vha->host; |
369 | fc_vport->dd_data = vha; | 370 | fc_vport->dd_data = vha; |
370 | |||
371 | /* New host info */ | 371 | /* New host info */ |
372 | u64_to_wwn(fc_vport->node_name, vha->node_name); | 372 | u64_to_wwn(fc_vport->node_name, vha->node_name); |
373 | u64_to_wwn(fc_vport->port_name, vha->port_name); | 373 | u64_to_wwn(fc_vport->port_name, vha->port_name); |
@@ -396,7 +396,9 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) | |||
396 | 396 | ||
397 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); | 397 | qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); |
398 | 398 | ||
399 | host->can_queue = ha->req->length + 128; | 399 | memset(vha->req_ques, 0, sizeof(vha->req_ques) * QLA_MAX_HOST_QUES); |
400 | vha->req_ques[0] = ha->req_q_map[0]->id; | ||
401 | host->can_queue = ha->req_q_map[0]->length + 128; | ||
400 | host->this_id = 255; | 402 | host->this_id = 255; |
401 | host->cmd_per_lun = 3; | 403 | host->cmd_per_lun = 3; |
402 | host->max_cmd_len = MAX_CMDSZ; | 404 | host->max_cmd_len = MAX_CMDSZ; |
@@ -416,3 +418,338 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) | |||
416 | create_vhost_failed: | 418 | create_vhost_failed: |
417 | return NULL; | 419 | return NULL; |
418 | } | 420 | } |
421 | |||
422 | static void | ||
423 | qla25xx_free_req_que(struct scsi_qla_host *vha, struct req_que *req) | ||
424 | { | ||
425 | struct qla_hw_data *ha = vha->hw; | ||
426 | uint16_t que_id = req->id; | ||
427 | |||
428 | dma_free_coherent(&ha->pdev->dev, (req->length + 1) * | ||
429 | sizeof(request_t), req->ring, req->dma); | ||
430 | req->ring = NULL; | ||
431 | req->dma = 0; | ||
432 | if (que_id) { | ||
433 | ha->req_q_map[que_id] = NULL; | ||
434 | mutex_lock(&ha->vport_lock); | ||
435 | clear_bit(que_id, ha->req_qid_map); | ||
436 | mutex_unlock(&ha->vport_lock); | ||
437 | } | ||
438 | kfree(req); | ||
439 | req = NULL; | ||
440 | } | ||
441 | |||
442 | static void | ||
443 | qla25xx_free_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | ||
444 | { | ||
445 | struct qla_hw_data *ha = vha->hw; | ||
446 | uint16_t que_id = rsp->id; | ||
447 | |||
448 | if (rsp->msix && rsp->msix->have_irq) { | ||
449 | free_irq(rsp->msix->vector, rsp); | ||
450 | rsp->msix->have_irq = 0; | ||
451 | rsp->msix->rsp = NULL; | ||
452 | } | ||
453 | dma_free_coherent(&ha->pdev->dev, (rsp->length + 1) * | ||
454 | sizeof(response_t), rsp->ring, rsp->dma); | ||
455 | rsp->ring = NULL; | ||
456 | rsp->dma = 0; | ||
457 | if (que_id) { | ||
458 | ha->rsp_q_map[que_id] = NULL; | ||
459 | mutex_lock(&ha->vport_lock); | ||
460 | clear_bit(que_id, ha->rsp_qid_map); | ||
461 | mutex_unlock(&ha->vport_lock); | ||
462 | } | ||
463 | kfree(rsp); | ||
464 | rsp = NULL; | ||
465 | } | ||
466 | |||
467 | int | ||
468 | qla25xx_delete_req_que(struct scsi_qla_host *vha, struct req_que *req) | ||
469 | { | ||
470 | int ret = -1; | ||
471 | |||
472 | if (req) { | ||
473 | req->options |= BIT_0; | ||
474 | ret = qla25xx_init_req_que(vha, req, req->options); | ||
475 | } | ||
476 | if (ret == QLA_SUCCESS) | ||
477 | qla25xx_free_req_que(vha, req); | ||
478 | |||
479 | return ret; | ||
480 | } | ||
481 | |||
482 | int | ||
483 | qla25xx_delete_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) | ||
484 | { | ||
485 | int ret = -1; | ||
486 | |||
487 | if (rsp) { | ||
488 | rsp->options |= BIT_0; | ||
489 | ret = qla25xx_init_rsp_que(vha, rsp, rsp->options); | ||
490 | } | ||
491 | if (ret == QLA_SUCCESS) | ||
492 | qla25xx_free_rsp_que(vha, rsp); | ||
493 | |||
494 | return ret; | ||
495 | } | ||
496 | |||
497 | int qla25xx_update_req_que(struct scsi_qla_host *vha, uint8_t que, uint8_t qos) | ||
498 | { | ||
499 | int ret = 0; | ||
500 | struct qla_hw_data *ha = vha->hw; | ||
501 | struct req_que *req = ha->req_q_map[que]; | ||
502 | |||
503 | req->options |= BIT_3; | ||
504 | req->qos = qos; | ||
505 | ret = qla25xx_init_req_que(vha, req, req->options); | ||
506 | if (ret != QLA_SUCCESS) | ||
507 | DEBUG2_17(printk(KERN_WARNING "%s failed\n", __func__)); | ||
508 | /* restore options bit */ | ||
509 | req->options &= ~BIT_3; | ||
510 | return ret; | ||
511 | } | ||
512 | |||
513 | |||
514 | /* Delete all queues for a given vhost */ | ||
515 | int | ||
516 | qla25xx_delete_queues(struct scsi_qla_host *vha, uint8_t que_no) | ||
517 | { | ||
518 | int cnt, ret = 0; | ||
519 | struct req_que *req = NULL; | ||
520 | struct rsp_que *rsp = NULL; | ||
521 | struct qla_hw_data *ha = vha->hw; | ||
522 | |||
523 | if (que_no) { | ||
524 | /* Delete request queue */ | ||
525 | req = ha->req_q_map[que_no]; | ||
526 | if (req) { | ||
527 | rsp = req->rsp; | ||
528 | ret = qla25xx_delete_req_que(vha, req); | ||
529 | if (ret != QLA_SUCCESS) { | ||
530 | qla_printk(KERN_WARNING, ha, | ||
531 | "Couldn't delete req que %d\n", req->id); | ||
532 | return ret; | ||
533 | } | ||
534 | /* Delete associated response queue */ | ||
535 | if (rsp) { | ||
536 | ret = qla25xx_delete_rsp_que(vha, rsp); | ||
537 | if (ret != QLA_SUCCESS) { | ||
538 | qla_printk(KERN_WARNING, ha, | ||
539 | "Couldn't delete rsp que %d\n", | ||
540 | rsp->id); | ||
541 | return ret; | ||
542 | } | ||
543 | } | ||
544 | } | ||
545 | } else { /* delete all queues of this host */ | ||
546 | for (cnt = 0; cnt < QLA_MAX_HOST_QUES; cnt++) { | ||
547 | /* Delete request queues */ | ||
548 | req = ha->req_q_map[vha->req_ques[cnt]]; | ||
549 | if (req && req->id) { | ||
550 | rsp = req->rsp; | ||
551 | ret = qla25xx_delete_req_que(vha, req); | ||
552 | if (ret != QLA_SUCCESS) { | ||
553 | qla_printk(KERN_WARNING, ha, | ||
554 | "Couldn't delete req que %d\n", | ||
555 | vha->req_ques[cnt]); | ||
556 | return ret; | ||
557 | } | ||
558 | vha->req_ques[cnt] = ha->req_q_map[0]->id; | ||
559 | /* Delete associated response queue */ | ||
560 | if (rsp && rsp->id) { | ||
561 | ret = qla25xx_delete_rsp_que(vha, rsp); | ||
562 | if (ret != QLA_SUCCESS) { | ||
563 | qla_printk(KERN_WARNING, ha, | ||
564 | "Couldn't delete rsp que %d\n", | ||
565 | rsp->id); | ||
566 | return ret; | ||
567 | } | ||
568 | } | ||
569 | } | ||
570 | } | ||
571 | } | ||
572 | qla_printk(KERN_INFO, ha, "Queues deleted for vport:%d\n", | ||
573 | vha->vp_idx); | ||
574 | return ret; | ||
575 | } | ||
576 | |||
577 | int | ||
578 | qla25xx_create_req_que(struct qla_hw_data *ha, uint16_t options, | ||
579 | uint8_t vp_idx, uint16_t rid, uint8_t rsp_que, uint8_t qos) | ||
580 | { | ||
581 | int ret = 0; | ||
582 | struct req_que *req = NULL; | ||
583 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | ||
584 | uint16_t que_id = 0; | ||
585 | |||
586 | req = kzalloc(sizeof(struct req_que), GFP_KERNEL); | ||
587 | if (req == NULL) { | ||
588 | qla_printk(KERN_WARNING, ha, "could not allocate memory" | ||
589 | "for request que\n"); | ||
590 | goto que_failed; | ||
591 | } | ||
592 | |||
593 | req->length = REQUEST_ENTRY_CNT_24XX; | ||
594 | req->ring = dma_alloc_coherent(&ha->pdev->dev, | ||
595 | (req->length + 1) * sizeof(request_t), | ||
596 | &req->dma, GFP_KERNEL); | ||
597 | if (req->ring == NULL) { | ||
598 | qla_printk(KERN_WARNING, ha, | ||
599 | "Memory Allocation failed - request_ring\n"); | ||
600 | goto que_failed; | ||
601 | } | ||
602 | |||
603 | mutex_lock(&ha->vport_lock); | ||
604 | que_id = find_first_zero_bit(ha->req_qid_map, ha->max_queues); | ||
605 | if (que_id >= ha->max_queues) { | ||
606 | mutex_unlock(&ha->vport_lock); | ||
607 | qla_printk(KERN_INFO, ha, "No resources to create " | ||
608 | "additional request queue\n"); | ||
609 | goto que_failed; | ||
610 | } | ||
611 | set_bit(que_id, ha->req_qid_map); | ||
612 | ha->req_q_map[que_id] = req; | ||
613 | req->rid = rid; | ||
614 | req->vp_idx = vp_idx; | ||
615 | req->qos = qos; | ||
616 | |||
617 | if (ha->rsp_q_map[rsp_que]) | ||
618 | req->rsp = ha->rsp_q_map[rsp_que]; | ||
619 | /* Use alternate PCI bus number */ | ||
620 | if (MSB(req->rid)) | ||
621 | options |= BIT_4; | ||
622 | /* Use alternate PCI devfn */ | ||
623 | if (LSB(req->rid)) | ||
624 | options |= BIT_5; | ||
625 | req->options = options; | ||
626 | req->ring_ptr = req->ring; | ||
627 | req->ring_index = 0; | ||
628 | req->cnt = req->length; | ||
629 | req->id = que_id; | ||
630 | mutex_unlock(&ha->vport_lock); | ||
631 | |||
632 | ret = qla25xx_init_req_que(base_vha, req, options); | ||
633 | if (ret != QLA_SUCCESS) { | ||
634 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | ||
635 | mutex_lock(&ha->vport_lock); | ||
636 | clear_bit(que_id, ha->req_qid_map); | ||
637 | mutex_unlock(&ha->vport_lock); | ||
638 | goto que_failed; | ||
639 | } | ||
640 | |||
641 | return req->id; | ||
642 | |||
643 | que_failed: | ||
644 | qla25xx_free_req_que(base_vha, req); | ||
645 | return 0; | ||
646 | } | ||
647 | |||
648 | /* create response queue */ | ||
649 | int | ||
650 | qla25xx_create_rsp_que(struct qla_hw_data *ha, uint16_t options, | ||
651 | uint8_t vp_idx, uint16_t rid) | ||
652 | { | ||
653 | int ret = 0; | ||
654 | struct rsp_que *rsp = NULL; | ||
655 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); | ||
656 | uint16_t que_id = 0;; | ||
657 | |||
658 | rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); | ||
659 | if (rsp == NULL) { | ||
660 | qla_printk(KERN_WARNING, ha, "could not allocate memory for" | ||
661 | " response que\n"); | ||
662 | goto que_failed; | ||
663 | } | ||
664 | |||
665 | rsp->length = RESPONSE_ENTRY_CNT_2300; | ||
666 | rsp->ring = dma_alloc_coherent(&ha->pdev->dev, | ||
667 | (rsp->length + 1) * sizeof(response_t), | ||
668 | &rsp->dma, GFP_KERNEL); | ||
669 | if (rsp->ring == NULL) { | ||
670 | qla_printk(KERN_WARNING, ha, | ||
671 | "Memory Allocation failed - response_ring\n"); | ||
672 | goto que_failed; | ||
673 | } | ||
674 | |||
675 | mutex_lock(&ha->vport_lock); | ||
676 | que_id = find_first_zero_bit(ha->rsp_qid_map, ha->max_queues); | ||
677 | if (que_id >= ha->max_queues) { | ||
678 | mutex_unlock(&ha->vport_lock); | ||
679 | qla_printk(KERN_INFO, ha, "No resources to create " | ||
680 | "additional response queue\n"); | ||
681 | goto que_failed; | ||
682 | } | ||
683 | set_bit(que_id, ha->rsp_qid_map); | ||
684 | |||
685 | if (ha->flags.msix_enabled) | ||
686 | rsp->msix = &ha->msix_entries[que_id + 1]; | ||
687 | else | ||
688 | qla_printk(KERN_WARNING, ha, "msix not enabled\n"); | ||
689 | |||
690 | ha->rsp_q_map[que_id] = rsp; | ||
691 | rsp->rid = rid; | ||
692 | rsp->vp_idx = vp_idx; | ||
693 | rsp->hw = ha; | ||
694 | /* Use alternate PCI bus number */ | ||
695 | if (MSB(rsp->rid)) | ||
696 | options |= BIT_4; | ||
697 | /* Use alternate PCI devfn */ | ||
698 | if (LSB(rsp->rid)) | ||
699 | options |= BIT_5; | ||
700 | rsp->options = options; | ||
701 | rsp->ring_ptr = rsp->ring; | ||
702 | rsp->ring_index = 0; | ||
703 | rsp->id = que_id; | ||
704 | mutex_unlock(&ha->vport_lock); | ||
705 | |||
706 | ret = qla25xx_request_irq(rsp); | ||
707 | if (ret) | ||
708 | goto que_failed; | ||
709 | |||
710 | ret = qla25xx_init_rsp_que(base_vha, rsp, options); | ||
711 | if (ret != QLA_SUCCESS) { | ||
712 | qla_printk(KERN_WARNING, ha, "%s failed\n", __func__); | ||
713 | mutex_lock(&ha->vport_lock); | ||
714 | clear_bit(que_id, ha->rsp_qid_map); | ||
715 | mutex_unlock(&ha->vport_lock); | ||
716 | goto que_failed; | ||
717 | } | ||
718 | |||
719 | qla2x00_init_response_q_entries(rsp); | ||
720 | |||
721 | return rsp->id; | ||
722 | |||
723 | que_failed: | ||
724 | qla25xx_free_rsp_que(base_vha, rsp); | ||
725 | return 0; | ||
726 | } | ||
727 | |||
728 | int | ||
729 | qla25xx_create_queues(struct scsi_qla_host *vha, uint8_t qos) | ||
730 | { | ||
731 | uint16_t options = 0; | ||
732 | uint8_t ret = 0; | ||
733 | struct qla_hw_data *ha = vha->hw; | ||
734 | |||
735 | options |= BIT_1; | ||
736 | ret = qla25xx_create_rsp_que(ha, options, vha->vp_idx, 0); | ||
737 | if (!ret) { | ||
738 | qla_printk(KERN_WARNING, ha, "Response Que create failed\n"); | ||
739 | return ret; | ||
740 | } else | ||
741 | qla_printk(KERN_INFO, ha, "Response Que:%d created.\n", ret); | ||
742 | |||
743 | options = 0; | ||
744 | if (qos & BIT_7) | ||
745 | options |= BIT_8; | ||
746 | ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, ret, | ||
747 | qos & ~BIT_7); | ||
748 | if (ret) { | ||
749 | vha->req_ques[0] = ret; | ||
750 | qla_printk(KERN_INFO, ha, "Request Que:%d created.\n", ret); | ||
751 | } else | ||
752 | qla_printk(KERN_WARNING, ha, "Request Que create failed\n"); | ||
753 | |||
754 | return ret; | ||
755 | } | ||