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authorGiridhar Malavali <giridhar.malavali@qlogic.com>2012-05-15 14:34:12 -0400
committerJames Bottomley <JBottomley@Parallels.com>2012-05-22 11:17:28 +0100
commit5988aeb28fa0090520f912c44f5a35cf69de7d70 (patch)
treebd61a731bf0d4dcae064132a2f8c20d0df7dd3b4 /drivers/scsi/qla2xxx/qla_nx.c
parent008dda6650db2c8cd312d86ebe4a6c3a11daecd9 (diff)
downloadlwn-5988aeb28fa0090520f912c44f5a35cf69de7d70.tar.gz
lwn-5988aeb28fa0090520f912c44f5a35cf69de7d70.zip
[SCSI] qla2xxx: Detect PEG errors.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_nx.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_nx.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index 6f8850c38b3e..954e2c211729 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -3325,6 +3325,30 @@ exit:
return rval;
}
+static int qla82xx_check_temp(scsi_qla_host_t *vha)
+{
+ uint32_t temp, temp_state, temp_val;
+ struct qla_hw_data *ha = vha->hw;
+
+ temp = qla82xx_rd_32(ha, CRB_TEMP_STATE);
+ temp_state = qla82xx_get_temp_state(temp);
+ temp_val = qla82xx_get_temp_val(temp);
+
+ if (temp_state == QLA82XX_TEMP_PANIC) {
+ ql_log(ql_log_warn, vha, 0x600e,
+ "Device temperature %d degrees C exceeds "
+ " maximum allowed. Hardware has been shut down.\n",
+ temp_val);
+ return 1;
+ } else if (temp_state == QLA82XX_TEMP_WARN) {
+ ql_log(ql_log_warn, vha, 0x600f,
+ "Device temperature %d degrees C exceeds "
+ "operating range. Immediate action needed.\n",
+ temp_val);
+ }
+ return 0;
+}
+
void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
@@ -3347,7 +3371,11 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
/* don't poll if reset is going on */
if (!ha->flags.isp82xx_reset_hdlr_active) {
dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
- if (dev_state == QLA82XX_DEV_NEED_RESET &&
+ if (qla82xx_check_temp(vha)) {
+ set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
+ ha->flags.isp82xx_fw_hung = 1;
+ qla82xx_clear_pending_mbx(vha);
+ } else if (dev_state == QLA82XX_DEV_NEED_RESET &&
!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
ql_log(ql_log_warn, vha, 0x6001,
"Adapter reset needed.\n");