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scsi: smartpqi: Enhance controller offline notification

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

Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Signed-off-by: David Strahan <David.Strahan@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Link: https://lore.kernel.org/r/20230824155812.789913-7-don.brace@microchip.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
David Strahan 2023-08-24 10:58:10 -05:00 committed by Martin K. Petersen
parent 276395d024
commit 72b737fa73
1 changed files with 49 additions and 1 deletions
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50
drivers/scsi/smartpqi/smartpqi_init.c
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@ -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);
}