scsi: smartpqi: Enhance controller offline notification
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>
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@ -9003,6 +9003,52 @@ static void pqi_ctrl_offline_worker(struct work_struct *work)
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pqi_take_ctrl_offline_deferred(ctrl_info);
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}
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static char *pqi_ctrl_shutdown_reason_to_string(enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason)
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{
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char *string;
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switch (ctrl_shutdown_reason) {
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case PQI_IQ_NOT_DRAINED_TIMEOUT:
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string = "inbound queue not drained timeout";
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break;
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case PQI_LUN_RESET_TIMEOUT:
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string = "LUN reset timeout";
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break;
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case PQI_IO_PENDING_POST_LUN_RESET_TIMEOUT:
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string = "I/O pending timeout after LUN reset";
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break;
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case PQI_NO_HEARTBEAT:
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string = "no controller heartbeat detected";
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break;
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case PQI_FIRMWARE_KERNEL_NOT_UP:
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string = "firmware kernel not ready";
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break;
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case PQI_OFA_RESPONSE_TIMEOUT:
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string = "OFA response timeout";
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break;
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case PQI_INVALID_REQ_ID:
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string = "invalid request ID";
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break;
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case PQI_UNMATCHED_REQ_ID:
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string = "unmatched request ID";
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break;
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case PQI_IO_PI_OUT_OF_RANGE:
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string = "I/O queue producer index out of range";
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break;
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case PQI_EVENT_PI_OUT_OF_RANGE:
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string = "event queue producer index out of range";
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break;
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case PQI_UNEXPECTED_IU_TYPE:
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string = "unexpected IU type";
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break;
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default:
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string = "unknown reason";
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break;
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}
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return string;
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}
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static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info,
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enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason)
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{
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@ -9015,7 +9061,9 @@ static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info,
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if (!pqi_disable_ctrl_shutdown)
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sis_shutdown_ctrl(ctrl_info, ctrl_shutdown_reason);
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pci_disable_device(ctrl_info->pci_dev);
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dev_err(&ctrl_info->pci_dev->dev, "controller offline\n");
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dev_err(&ctrl_info->pci_dev->dev,
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"controller offline: reason code 0x%x (%s)\n",
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ctrl_shutdown_reason, pqi_ctrl_shutdown_reason_to_string(ctrl_shutdown_reason));
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schedule_work(&ctrl_info->ctrl_offline_work);
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}
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