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authorSeokmann Ju <seokmann.ju@qlogic.com>2008-04-03 16:13:30 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-04-07 13:19:16 -0400
commitbd2a1846b2313e32d0270151a31a6b8335384a20 (patch)
tree6e14558f0504ffdf308911ad4dc3a39781b70043 /drivers/scsi/qla2xxx
parent463717edc9d675ead14b02f060425ff7860d1dc1 (diff)
[SCSI] qla2xxx: Use proper HA during asynchrounous event handling.
Changes are added to the driver so that it can behave properly upon having asynchronous events, for example, addition of target devices to the VPs. Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com> Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c32
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 360af4e09d12..285479b62d8f 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -272,6 +272,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
272 uint32_t rscn_entry, host_pid; 272 uint32_t rscn_entry, host_pid;
273 uint8_t rscn_queue_index; 273 uint8_t rscn_queue_index;
274 unsigned long flags; 274 unsigned long flags;
275 scsi_qla_host_t *vha;
276 int i;
275 277
276 /* Setup to process RIO completion. */ 278 /* Setup to process RIO completion. */
277 handle_cnt = 0; 279 handle_cnt = 0;
@@ -542,6 +544,18 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
542 break; 544 break;
543 545
544 case MBA_PORT_UPDATE: /* Port database update */ 546 case MBA_PORT_UPDATE: /* Port database update */
547 if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
548 for_each_mapped_vp_idx(ha, i) {
549 list_for_each_entry(vha, &ha->vp_list,
550 vp_list) {
551 if ((mb[3] & 0xff)
552 == vha->vp_idx) {
553 ha = vha;
554 break;
555 }
556 }
557 }
558 }
545 /* 559 /*
546 * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET 560 * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
547 * event etc. earlier indicating loop is down) then process 561 * event etc. earlier indicating loop is down) then process
@@ -576,12 +590,18 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
576 break; 590 break;
577 591
578 case MBA_RSCN_UPDATE: /* State Change Registration */ 592 case MBA_RSCN_UPDATE: /* State Change Registration */
579 /* Check if the Vport has issued a SCR */ 593 if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
580 if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags)) 594 for_each_mapped_vp_idx(ha, i) {
581 break; 595 list_for_each_entry(vha, &ha->vp_list,
582 /* Only handle SCNs for our Vport index. */ 596 vp_list) {
583 if (ha->flags.npiv_supported && ha->vp_idx != mb[3]) 597 if ((mb[3] & 0xff)
584 break; 598 == vha->vp_idx) {
599 ha = vha;
600 break;
601 }
602 }
603 }
604 }
585 605
586 DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", 606 DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
587 ha->host_no)); 607 ha->host_no));