scsi: smartpqi: update timeout on admin commands
authorKevin Barnett <kevin.barnett@hpe.com>
Wed, 3 May 2017 23:55:13 +0000 (18:55 -0500)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 13 Jun 2017 00:48:04 +0000 (20:48 -0400)
Increase the timeout on admin commands from 3 seconds to 60
seconds and added a check for controller crash in the loop
where the driver polls for admin command completion.

Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/smartpqi/smartpqi_init.c

index affbc4ffb9a5d40f5c82c7c9bd73c28c94a22df9..e13dee379558abb7740f7104b2c88168b120909c 100644 (file)
@@ -3425,6 +3425,8 @@ static void pqi_submit_admin_request(struct pqi_ctrl_info *ctrl_info,
        writel(iq_pi, admin_queues->iq_pi);
 }
 
+#define PQI_ADMIN_REQUEST_TIMEOUT_SECS 60
+
 static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info,
        struct pqi_general_admin_response *response)
 {
@@ -3436,7 +3438,7 @@ static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info,
        admin_queues = &ctrl_info->admin_queues;
        oq_ci = admin_queues->oq_ci_copy;
 
-       timeout = (3 * HZ) + jiffies;
+       timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * HZ) + jiffies;
 
        while (1) {
                oq_pi = *admin_queues->oq_pi;
@@ -3447,6 +3449,8 @@ static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info,
                                "timed out waiting for admin response\n");
                        return -ETIMEDOUT;
                }
+               if (!sis_is_firmware_running(ctrl_info))
+                       return -ENXIO;
                usleep_range(1000, 2000);
        }