[SCSI] qla2xxx: Add hardware trace-logging support.

Recent ISPs have a region within FLASH which acts as a repository
for the logging of serious hardware and software failures.
Currently, the region is large enough to support up to 255
entries.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index e9d8a79dd6a4..088464251d7e 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -349,6 +349,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                     "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n",
                     mb[1], mb[2], mb[3]);
 
+                qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]);
                 ha->isp_ops->fw_dump(ha, 1);
 
                 if (IS_FWI2_CAPABLE(ha)) {
@@ -373,6 +374,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                     ha->host_no));
                 qla_printk(KERN_WARNING, ha, "ISP Request Transfer Error.\n");
 
+                qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]);
                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
                 break;
 
@@ -381,6 +383,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
                     ha->host_no));
                 qla_printk(KERN_WARNING, ha, "ISP Response Transfer Error.\n");
 
+                qla2x00_post_hwe_work(ha, mb[0], mb[1], mb[2], mb[3]);
                 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
                 break;
 
@@ -1558,6 +1561,12 @@ qla24xx_intr_handler(int irq, void *dev_id)
                         if (pci_channel_offline(ha->pdev))
                                 break;
 
+                        if (ha->hw_event_pause_errors == 0)
+                                qla2x00_post_hwe_work(ha, HW_EVENT_PARITY_ERR,
+                                    0, MSW(stat), LSW(stat));
+                        else if (ha->hw_event_pause_errors < 0xffffffff)
+                                ha->hw_event_pause_errors++;
+
                         hccr = RD_REG_DWORD(&reg->hccr);
 
                         qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
@@ -1693,6 +1702,12 @@ qla24xx_msix_default(int irq, void *dev_id)
                         if (pci_channel_offline(ha->pdev))
                                 break;
 
+                        if (ha->hw_event_pause_errors == 0)
+                                qla2x00_post_hwe_work(ha, HW_EVENT_PARITY_ERR,
+                                    0, MSW(stat), LSW(stat));
+                        else if (ha->hw_event_pause_errors < 0xffffffff)
+                                ha->hw_event_pause_errors++;
+
                         hccr = RD_REG_DWORD(&reg->hccr);
 
                         qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "