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path: root/drivers/scsi/smartpqi/smartpqi_init.c
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Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi_init.c')
-rw-r--r--drivers/scsi/smartpqi/smartpqi_init.c50
1 files changed, 49 insertions, 1 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index aacb40cb6b79..f1b393459f34 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -9003,6 +9003,52 @@ static void pqi_ctrl_offline_worker(struct work_struct *work)
pqi_take_ctrl_offline_deferred(ctrl_info);
}
+static char *pqi_ctrl_shutdown_reason_to_string(enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason)
+{
+ char *string;
+
+ switch (ctrl_shutdown_reason) {
+ case PQI_IQ_NOT_DRAINED_TIMEOUT:
+ string = "inbound queue not drained timeout";
+ break;
+ case PQI_LUN_RESET_TIMEOUT:
+ string = "LUN reset timeout";
+ break;
+ case PQI_IO_PENDING_POST_LUN_RESET_TIMEOUT:
+ string = "I/O pending timeout after LUN reset";
+ break;
+ case PQI_NO_HEARTBEAT:
+ string = "no controller heartbeat detected";
+ break;
+ case PQI_FIRMWARE_KERNEL_NOT_UP:
+ string = "firmware kernel not ready";
+ break;
+ case PQI_OFA_RESPONSE_TIMEOUT:
+ string = "OFA response timeout";
+ break;
+ case PQI_INVALID_REQ_ID:
+ string = "invalid request ID";
+ break;
+ case PQI_UNMATCHED_REQ_ID:
+ string = "unmatched request ID";
+ break;
+ case PQI_IO_PI_OUT_OF_RANGE:
+ string = "I/O queue producer index out of range";
+ break;
+ case PQI_EVENT_PI_OUT_OF_RANGE:
+ string = "event queue producer index out of range";
+ break;
+ case PQI_UNEXPECTED_IU_TYPE:
+ string = "unexpected IU type";
+ break;
+ default:
+ string = "unknown reason";
+ break;
+ }
+
+ return string;
+}
+
static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info,
enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason)
{
@@ -9015,7 +9061,9 @@ static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info,
if (!pqi_disable_ctrl_shutdown)
sis_shutdown_ctrl(ctrl_info, ctrl_shutdown_reason);
pci_disable_device(ctrl_info->pci_dev);
- dev_err(&ctrl_info->pci_dev->dev, "controller offline\n");
+ dev_err(&ctrl_info->pci_dev->dev,
+ "controller offline: reason code 0x%x (%s)\n",
+ ctrl_shutdown_reason, pqi_ctrl_shutdown_reason_to_string(ctrl_shutdown_reason));
schedule_work(&ctrl_info->ctrl_offline_work);
}