[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>
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index eb770675..3d29041 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1690,6 +1690,8 @@
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_25XX;
ha->isp_ops = &qla25xx_isp_ops;
+ ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
+ FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
}
host->can_queue = ha->request_q_length + 128;
@@ -2244,6 +2246,23 @@
return qla2x00_post_work(ha, e, 1);
}
+int
+qla2x00_post_hwe_work(struct scsi_qla_host *ha, uint16_t code, uint16_t d1,
+ uint16_t d2, uint16_t d3)
+{
+ struct qla_work_evt *e;
+
+ e = qla2x00_alloc_work(ha, QLA_EVT_HWE_LOG, 1);
+ if (!e)
+ return QLA_FUNCTION_FAILED;
+
+ e->u.hwe.code = code;
+ e->u.hwe.d1 = d1;
+ e->u.hwe.d2 = d2;
+ e->u.hwe.d3 = d3;
+ return qla2x00_post_work(ha, e, 1);
+}
+
static void
qla2x00_do_work(struct scsi_qla_host *ha)
{
@@ -2260,6 +2279,10 @@
fc_host_post_event(ha->host, fc_get_event_number(),
e->u.aen.code, e->u.aen.data);
break;
+ case QLA_EVT_HWE_LOG:
+ qla2xxx_hw_event_log(ha, e->u.hwe.code, e->u.hwe.d1,
+ e->u.hwe.d2, e->u.hwe.d3);
+ break;
}
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);