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[SCSI] qla2xxx: Use proper HA during asynchrounous event handling.

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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));