[SCSI] hpsa: detect controller lockup
When controller lockup condition is detected,
we should fail all outstanding commands and disable
the controller. This will enable multipath solutions
to recover gracefully.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index 73858bc..91edafb 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -121,6 +121,11 @@
unsigned char reply_pool_wraparound;
u32 *blockFetchTable;
unsigned char *hba_inquiry_data;
+ u64 last_intr_timestamp;
+ u32 last_heartbeat;
+ u64 last_heartbeat_timestamp;
+ u32 lockup_detected;
+ struct list_head lockup_list;
};
#define HPSA_ABORT_MSG 0
#define HPSA_DEVICE_RESET_MSG 1