148 static struct sas_task *sas_create_task(struct scsi_cmnd *cmd,  in sas_create_task()  argument
158 	task->uldd_task = cmd;  in sas_create_task()
159 	ASSIGN_SAS_TASK(cmd, task);  in sas_create_task()
165 	int_to_scsilun(cmd->device->lun, &lun);  in sas_create_task()
168 	task->ssp_task.cmd = cmd;  in sas_create_task()
170 	task->scatter = scsi_sglist(cmd);  in sas_create_task()
171 	task->num_scatter = scsi_sg_count(cmd);  in sas_create_task()
172 	task->total_xfer_len = scsi_bufflen(cmd);  in sas_create_task()
173 	task->data_dir = cmd->sc_data_direction;  in sas_create_task()
180 int sas_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)  in sas_queuecommand()  argument
183 	struct domain_device *dev = cmd_to_domain_dev(cmd);  in sas_queuecommand()
189 		cmd->result = DID_BAD_TARGET << 16;  in sas_queuecommand()
195 		res = ata_sas_queuecmd(cmd, dev->sata_dev.ap);  in sas_queuecommand()
200 	task = sas_create_task(cmd, dev, GFP_ATOMIC);  in sas_queuecommand()
211 	ASSIGN_SAS_TASK(cmd, NULL);  in sas_queuecommand()
214 		cmd->result = DID_SOFT_ERROR << 16; /* retry */  in sas_queuecommand()
216 		cmd->result = DID_ERROR << 16;  in sas_queuecommand()
218 	cmd->scsi_done(cmd);  in sas_queuecommand()
222 static void sas_eh_finish_cmd(struct scsi_cmnd *cmd)  in sas_eh_finish_cmd()  argument
224 	struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(cmd->device->host);  in sas_eh_finish_cmd()
225 	struct sas_task *task = TO_SAS_TASK(cmd);  in sas_eh_finish_cmd()
231 	sas_end_task(cmd, task);  in sas_eh_finish_cmd()
237 	scsi_eh_finish_cmd(cmd, &sas_ha->eh_done_q);  in sas_eh_finish_cmd()
240 static void sas_eh_defer_cmd(struct scsi_cmnd *cmd)  in sas_eh_defer_cmd()  argument
242 	struct domain_device *dev = cmd_to_domain_dev(cmd);  in sas_eh_defer_cmd()
244 	struct sas_task *task = TO_SAS_TASK(cmd);  in sas_eh_defer_cmd()
247 		sas_eh_finish_cmd(cmd);  in sas_eh_defer_cmd()
252 	sas_end_task(cmd, task);  in sas_eh_defer_cmd()
253 	list_move_tail(&cmd->eh_entry, &ha->eh_ata_q);  in sas_eh_defer_cmd()
258 	struct scsi_cmnd *cmd, *n;  in sas_scsi_clear_queue_lu()  local
260 	list_for_each_entry_safe(cmd, n, error_q, eh_entry) {  in sas_scsi_clear_queue_lu()
261 		if (cmd->device->sdev_target == my_cmd->device->sdev_target &&  in sas_scsi_clear_queue_lu()
262 		    cmd->device->lun == my_cmd->device->lun)  in sas_scsi_clear_queue_lu()
263 			sas_eh_defer_cmd(cmd);  in sas_scsi_clear_queue_lu()
270 	struct scsi_cmnd *cmd, *n;  in sas_scsi_clear_queue_I_T()  local
272 	list_for_each_entry_safe(cmd, n, error_q, eh_entry) {  in sas_scsi_clear_queue_I_T()
273 		struct domain_device *x = cmd_to_domain_dev(cmd);  in sas_scsi_clear_queue_I_T()
276 			sas_eh_finish_cmd(cmd);  in sas_scsi_clear_queue_I_T()
283 	struct scsi_cmnd *cmd, *n;  in sas_scsi_clear_queue_port()  local
285 	list_for_each_entry_safe(cmd, n, error_q, eh_entry) {  in sas_scsi_clear_queue_port()
286 		struct domain_device *dev = cmd_to_domain_dev(cmd);  in sas_scsi_clear_queue_port()
290 			sas_eh_finish_cmd(cmd);  in sas_scsi_clear_queue_port()
350 static int sas_recover_lu(struct domain_device *dev, struct scsi_cmnd *cmd)  in sas_recover_lu()  argument
357 	int_to_scsilun(cmd->device->lun, &lun);  in sas_recover_lu()
361 		    cmd->device->lun);  in sas_recover_lu()
487 int sas_eh_abort_handler(struct scsi_cmnd *cmd)  in sas_eh_abort_handler()  argument
490 	struct sas_task *task = TO_SAS_TASK(cmd);  in sas_eh_abort_handler()
491 	struct Scsi_Host *host = cmd->device->host;  in sas_eh_abort_handler()
509 int sas_eh_device_reset_handler(struct scsi_cmnd *cmd)  in sas_eh_device_reset_handler()  argument
513 	struct Scsi_Host *host = cmd->device->host;  in sas_eh_device_reset_handler()
514 	struct domain_device *dev = cmd_to_domain_dev(cmd);  in sas_eh_device_reset_handler()
518 		return sas_queue_reset(dev, SAS_DEV_LU_RESET, cmd->device->lun, 0);  in sas_eh_device_reset_handler()
520 	int_to_scsilun(cmd->device->lun, &lun);  in sas_eh_device_reset_handler()
532 int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd)  in sas_eh_bus_reset_handler()  argument
535 	struct Scsi_Host *host = cmd->device->host;  in sas_eh_bus_reset_handler()
536 	struct domain_device *dev = cmd_to_domain_dev(cmd);  in sas_eh_bus_reset_handler()
554 static int try_to_reset_cmd_device(struct scsi_cmnd *cmd)  in try_to_reset_cmd_device()  argument
557 	struct Scsi_Host *shost = cmd->device->host;  in try_to_reset_cmd_device()
562 	res = shost->hostt->eh_device_reset_handler(cmd);  in try_to_reset_cmd_device()
568 		return shost->hostt->eh_bus_reset_handler(cmd);  in try_to_reset_cmd_device()
575 	struct scsi_cmnd *cmd, *n;  in sas_eh_handle_sas_errors()  local
584 	list_for_each_entry_safe(cmd, n, work_q, eh_entry) {  in sas_eh_handle_sas_errors()
585 		struct domain_device *dev = cmd_to_domain_dev(cmd);  in sas_eh_handle_sas_errors()
593 		task = TO_SAS_TASK(cmd);  in sas_eh_handle_sas_errors()
597 			list_move_tail(&cmd->eh_entry, &done);  in sas_eh_handle_sas_errors()
601 	list_for_each_entry_safe(cmd, n, work_q, eh_entry) {  in sas_eh_handle_sas_errors()
602 		struct sas_task *task = TO_SAS_TASK(cmd);  in sas_eh_handle_sas_errors()
604 		list_del_init(&cmd->eh_entry);  in sas_eh_handle_sas_errors()
619 		cmd->eh_eflags = 0;  in sas_eh_handle_sas_errors()
625 			sas_eh_defer_cmd(cmd);  in sas_eh_handle_sas_errors()
630 			sas_eh_defer_cmd(cmd);  in sas_eh_handle_sas_errors()
635 			tmf_resp = sas_recover_lu(task->dev, cmd);  in sas_eh_handle_sas_errors()
640 					    cmd->device->lun);  in sas_eh_handle_sas_errors()
641 				sas_eh_defer_cmd(cmd);  in sas_eh_handle_sas_errors()
642 				sas_scsi_clear_queue_lu(work_q, cmd);  in sas_eh_handle_sas_errors()
656 				sas_eh_finish_cmd(cmd);  in sas_eh_handle_sas_errors()
661 			try_to_reset_cmd_device(cmd);  in sas_eh_handle_sas_errors()
670 					sas_eh_finish_cmd(cmd);  in sas_eh_handle_sas_errors()
682 					sas_eh_finish_cmd(cmd);  in sas_eh_handle_sas_errors()
693 				    cmd->device->lun);  in sas_eh_handle_sas_errors()
695 			sas_eh_finish_cmd(cmd);  in sas_eh_handle_sas_errors()
706 	list_for_each_entry_safe(cmd, n, work_q, eh_entry)  in sas_eh_handle_sas_errors()
707 		sas_eh_finish_cmd(cmd);  in sas_eh_handle_sas_errors()
806 enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)  in sas_scsi_timed_out()  argument
808 	scmd_dbg(cmd, "command %p timed out\n", cmd);  in sas_scsi_timed_out()
813 int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)  in sas_ioctl()  argument
818 		return ata_sas_scsi_ioctl(dev->sata_dev.ap, sdev, cmd, arg);  in sas_ioctl()