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[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>
This commit is contained in:
Seokmann Ju 2008-04-03 13:13:30 -07:00 committed by James Bottomley
parent 463717edc9
commit bd2a1846b2
1 changed files with 26 additions and 6 deletions
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32
drivers/scsi/qla2xxx/qla_isr.c
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@ -272,6 +272,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
uint32_t rscn_entry, host_pid;
uint8_t rscn_queue_index;
unsigned long flags;
scsi_qla_host_t *vha;
int i;
/* Setup to process RIO completion. */
handle_cnt = 0;
@ -542,6 +544,18 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
break;
case MBA_PORT_UPDATE: /* Port database update */
if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
for_each_mapped_vp_idx(ha, i) {
list_for_each_entry(vha, &ha->vp_list,
vp_list) {
if ((mb[3] & 0xff)
== vha->vp_idx) {
ha = vha;
break;
}
}
}
}
/*
* If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET
* event etc. earlier indicating loop is down) then process
@ -576,12 +590,18 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
break;
case MBA_RSCN_UPDATE: /* State Change Registration */
/* Check if the Vport has issued a SCR */
if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags))
break;
/* Only handle SCNs for our Vport index. */
if (ha->flags.npiv_supported && ha->vp_idx != mb[3])
break;
if ((ha->flags.npiv_supported) && (ha->num_vhosts)) {
for_each_mapped_vp_idx(ha, i) {
list_for_each_entry(vha, &ha->vp_list,
vp_list) {
if ((mb[3] & 0xff)
== vha->vp_idx) {
ha = vha;
break;
}
}
}
}
DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n",
ha->host_no));