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-rw-r--r--drivers/scsi/smartpqi/smartpqi_init.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 03c97e60d36f..1cabe68dcad1 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -5555,14 +5555,25 @@ static void pqi_raid_io_complete(struct pqi_io_request *io_request,
pqi_scsi_done(scmd);
}
+/*
+ * Adjust the timeout value for physical devices sent to the firmware
+ * by subtracting 3 seconds for timeouts greater than or equal to 8 seconds.
+ *
+ * This provides the firmware with additional time to attempt early recovery
+ * before the OS-level timeout occurs.
+ */
+#define ADJUST_SECS_TIMEOUT_VALUE(tv) (((tv) >= 8) ? ((tv) - 3) : (tv))
+
static int pqi_raid_submit_io(struct pqi_ctrl_info *ctrl_info,
struct pqi_scsi_dev *device, struct scsi_cmnd *scmd,
struct pqi_queue_group *queue_group, bool io_high_prio)
{
int rc;
+ u32 timeout;
size_t cdb_length;
struct pqi_io_request *io_request;
struct pqi_raid_path_request *request;
+ struct request *rq;
io_request = pqi_alloc_io_request(ctrl_info, scmd);
if (!io_request)
@@ -5634,6 +5645,12 @@ static int pqi_raid_submit_io(struct pqi_ctrl_info *ctrl_info,
return SCSI_MLQUEUE_HOST_BUSY;
}
+ if (device->is_physical_device) {
+ rq = scsi_cmd_to_rq(scmd);
+ timeout = rq->timeout / HZ;
+ put_unaligned_le32(ADJUST_SECS_TIMEOUT_VALUE(timeout), &request->timeout);
+ }
+
pqi_start_io(ctrl_info, queue_group, RAID_PATH, io_request);
return 0;