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[SCSI] qla4xxx: ql4_isr.c support for new mbx cmds 

Add support to log all AENs and service mbx cmd completions for QLA4032

Signed-off-by: David Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
David C Somayajulu 2007-05-23 18:03:20 -07:00 committed by James Bottomley
parent e08c182cba
commit 401425b1ea
1 changed files with 35 additions and 18 deletions
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53
drivers/scsi/qla4xxx/ql4_isr.c
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@ -6,6 +6,9 @@
*/
#include "ql4_def.h"
#include "ql4_glbl.h"
#include "ql4_dbg.h"
#include "ql4_inline.h"
/**
* qla2x00_process_completed_request() - Process a Fast Post response.
@ -417,6 +420,7 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
uint32_t mbox_status)
{
int i;
uint32_t mbox_stat2, mbox_stat3;
if ((mbox_status == MBOX_STS_BUSY) ||
(mbox_status == MBOX_STS_INTERMEDIATE_COMPLETION) ||
@ -437,6 +441,12 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
} else if (mbox_status >> 12 == MBOX_ASYNC_EVENT_STATUS) {
/* Immediately process the AENs that don't require much work.
* Only queue the database_changed AENs */
if (ha->aen_log.count < MAX_AEN_ENTRIES) {
for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
ha->aen_log.entry[ha->aen_log.count].mbox_sts[i] =
readl(&ha->reg->mailbox[i]);
ha->aen_log.count++;
}
switch (mbox_status) {
case MBOX_ASTS_SYSTEM_ERROR:
/* Log Mailbox registers */
@ -493,6 +503,16 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
mbox_status));
break;
case MBOX_ASTS_IP_ADDR_STATE_CHANGED:
mbox_stat2 = readl(&ha->reg->mailbox[2]);
mbox_stat3 = readl(&ha->reg->mailbox[3]);
if ((mbox_stat3 == 5) && (mbox_stat2 == 3))
set_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags);
else if ((mbox_stat3 == 2) && (mbox_stat2 == 5))
set_bit(DPC_RESET_HA, &ha->dpc_flags);
break;
case MBOX_ASTS_MAC_ADDRESS_CHANGED:
case MBOX_ASTS_DNS:
/* No action */
@ -518,11 +538,6 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
/* Queue AEN information and process it in the DPC
* routine */
if (ha->aen_q_count > 0) {
/* advance pointer */
if (ha->aen_in == (MAX_AEN_ENTRIES - 1))
ha->aen_in = 0;
else
ha->aen_in++;
/* decrement available counter */
ha->aen_q_count--;
@ -542,6 +557,10 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
ha->aen_q[ha->aen_in].mbox_sts[2],
ha->aen_q[ha->aen_in].mbox_sts[3],
ha->aen_q[ha->aen_in]. mbox_sts[4]));
/* advance pointer */
ha->aen_in++;
if (ha->aen_in == MAX_AEN_ENTRIES)
ha->aen_in = 0;
/* The DPC routine will process the aen */
set_bit(DPC_AEN, &ha->dpc_flags);
@ -724,25 +743,24 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen)
spin_lock_irqsave(&ha->hardware_lock, flags);
while (ha->aen_out != ha->aen_in) {
/* Advance pointers for next entry */
if (ha->aen_out == (MAX_AEN_ENTRIES - 1))
ha->aen_out = 0;
else
ha->aen_out++;
ha->aen_q_count++;
aen = &ha->aen_q[ha->aen_out];
/* copy aen information to local structure */
for (i = 0; i < MBOX_AEN_REG_COUNT; i++)
mbox_sts[i] = aen->mbox_sts[i];
ha->aen_q_count++;
ha->aen_out++;
if (ha->aen_out == MAX_AEN_ENTRIES)
ha->aen_out = 0;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
DEBUG(printk("scsi%ld: AEN[%d] %04x, index [%d] state=%04x "
"mod=%x conerr=%08x \n", ha->host_no, ha->aen_out,
mbox_sts[0], mbox_sts[2], mbox_sts[3],
mbox_sts[1], mbox_sts[4]));
DEBUG2(printk("qla4xxx(%ld): AEN[%d]=0x%08x, mbx1=0x%08x mbx2=0x%08x"
" mbx3=0x%08x mbx4=0x%08x\n", ha->host_no,
(ha->aen_out ? (ha->aen_out-1): (MAX_AEN_ENTRIES-1)),
mbox_sts[0], mbox_sts[1], mbox_sts[2],
mbox_sts[3], mbox_sts[4]));
switch (mbox_sts[0]) {
case MBOX_ASTS_DATABASE_CHANGED:
@ -792,6 +810,5 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen)
spin_lock_irqsave(&ha->hardware_lock, flags);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}