Commit 72b737fa authored by David Strahan's avatar David Strahan Committed by Martin K. Petersen
Browse files

scsi: smartpqi: Enhance controller offline notification 



Add a description for the reason the controller has been taken off-line.

Reviewed-by: default avatarScott Benesh <scott.benesh@microchip.com>
Reviewed-by: default avatarScott Teel <scott.teel@microchip.com>
Reviewed-by: default avatarMike McGowen <mike.mcgowen@microchip.com>
Signed-off-by: default avatarDavid Strahan <David.Strahan@microchip.com>
Signed-off-by: default avatarDon Brace <don.brace@microchip.com>
Link: https://lore.kernel.org/r/20230824155812.789913-7-don.brace@microchip.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 276395d0

drivers/scsi/smartpqi/smartpqi_init.c

+49 −1
Original line number Diff line number Diff line
@@ -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);

}