scsi: smartpqi: Add abort handler

Implement aborts as resets.

Avoid I/O stalls across all devices attached to a controller when device
I/O requests time out.
Reviewed-by: Mahesh Rajashekhara <mahesh.rajashekhara@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Link: https://lore.kernel.org/r/20230824155812.789913-2-don.brace@microchip.comSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/smartpqi/smartpqi.h

@@ -1085,7 +1085,16 @@ struct pqi_stream_data {
 	u32	last_accessed;
 };
 
-#define PQI_MAX_LUNS_PER_DEVICE         256
+#define PQI_MAX_LUNS_PER_DEVICE		256
+
+struct pqi_tmf_work {
+	struct work_struct work_struct;
+	struct scsi_cmnd *scmd;
+	struct pqi_ctrl_info *ctrl_info;
+	struct pqi_scsi_dev *device;
+	u8	lun;
+	u8	scsi_opcode;
+};
 
 struct pqi_scsi_dev {
 	int	devtype;		/* as reported by INQUIRY command */
@@ -1111,6 +1120,7 @@ struct pqi_scsi_dev {
 	u8	erase_in_progress : 1;
 	bool	aio_enabled;		/* only valid for physical disks */
 	bool	in_remove;
+	bool	in_reset[PQI_MAX_LUNS_PER_DEVICE];
 	bool	device_offline;
 	u8	vendor[8];		/* bytes 8-15 of inquiry data */
 	u8	model[16];		/* bytes 16-31 of inquiry data */
@@ -1149,6 +1159,8 @@ struct pqi_scsi_dev {
 	struct pqi_stream_data stream_data[NUM_STREAMS_PER_LUN];
 	atomic_t scsi_cmds_outstanding[PQI_MAX_LUNS_PER_DEVICE];
 	unsigned int raid_bypass_cnt;
+
+	struct pqi_tmf_work tmf_work[PQI_MAX_LUNS_PER_DEVICE];
 };
 
 /* VPD inquiry pages */