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path: root/drivers/scsi/qla4xxx/ql4_mbx.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c48
1 files changed, 47 insertions, 1 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 940ee56..9002170 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -39,6 +39,22 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
"pointer\n", ha->host_no, __func__));
return status;
}
+
+ if (is_qla8022(ha) &&
+ test_bit(AF_FW_RECOVERY, &ha->flags)) {
+ DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: prematurely "
+ "completing mbx cmd as firmware recovery detected\n",
+ ha->host_no, __func__));
+ return status;
+ }
+
+ if ((is_aer_supported(ha)) &&
+ (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
+ DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
+ "timeout MBX Exiting.\n", ha->host_no, __func__));
+ return status;
+ }
+
/* Mailbox code active */
wait_count = MBOX_TOV * 100;
@@ -150,6 +166,7 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
if (time_after_eq(jiffies, wait_count))
break;
+
/*
* Service the interrupt.
* The ISR will save the mailbox status registers
@@ -196,6 +213,14 @@ int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
/* Check for mailbox timeout. */
if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
+ if (is_qla8022(ha) &&
+ test_bit(AF_FW_RECOVERY, &ha->flags)) {
+ DEBUG2(ql4_printk(KERN_INFO, ha,
+ "scsi%ld: %s: prematurely completing mbx cmd as "
+ "firmware recovery detected\n",
+ ha->host_no, __func__));
+ goto mbox_exit;
+ }
DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
" Scheduling Adapter Reset\n", ha->host_no,
mbx_cmd[0]));
@@ -246,6 +271,28 @@ mbox_exit:
return status;
}
+void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
+{
+ set_bit(AF_FW_RECOVERY, &ha->flags);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
+ ha->host_no, __func__);
+
+ if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
+ if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
+ complete(&ha->mbx_intr_comp);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
+ "recovery, doing premature completion of "
+ "mbx cmd\n", ha->host_no, __func__);
+
+ } else {
+ set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
+ ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
+ "recovery, doing premature completion of "
+ "polling mbx cmd\n", ha->host_no, __func__);
+ }
+ }
+}
+
static uint8_t
qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
@@ -361,7 +408,6 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
/* Save Command Line Paramater info */
- ha->port_down_retry_count = le16_to_cpu(init_fw_cb->conn_ka_timeout);
ha->discovery_wait = ql4xdiscoverywait;
if (ha->acb_version == ACB_SUPPORTED) {