[SCSI] qla4xxx: Added error logging for firmware abort

Added debug print with error code in case of firmware error.

Signed-off-by: Nilesh Javali <nilesh.javali@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index ec48dc3..bfe6854 100644 (file)
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -150,6 +150,8 @@
 #define QL4_SESS_RECOVERY_TMO          120     /* iSCSI session */
                                                /* recovery timeout */
 
+#define MSB(x) ((uint8_t)((uint16_t)(x) >> 8))
+#define LSW(x) ((uint16_t)(x))
 #define LSDW(x) ((u32)((u64)(x)))
 #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16))
 

diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index e2ef776..b75590a 100644 (file)
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -2112,6 +2112,13 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
                                halt_status = qla4_8xxx_rd_32(ha,
                                                QLA82XX_PEG_HALT_STATUS1);
 
+                               if (LSW(MSB(halt_status)) == 0x67)
+                                       ql4_printk(KERN_ERR, ha, "%s:"
+                                                  " Firmware aborted with"
+                                                  " error code 0x00006700."
+                                                  " Device is being reset\n",
+                                                  __func__);
+
                                /* Since we cannot change dev_state in interrupt
                                 * context, set appropriate DPC flag then wakeup
                                 * DPC */