73 static void sas_ata_task_done(struct sas_task *task)  in sas_ata_task_done()  argument
75 	struct ata_queued_cmd *qc = task->uldd_task;  in sas_ata_task_done()
76 	struct domain_device *dev = task->dev;  in sas_ata_task_done()
77 	struct task_status_struct *stat = &task->task_status;  in sas_ata_task_done()
87 		task = NULL;  in sas_ata_task_done()
93 	if (unlikely(!task))  in sas_ata_task_done()
152 	sas_free_task(task);  in sas_ata_task_done()
158 	struct sas_task *task;  in sas_ata_qc_issue()  local
175 	task = sas_alloc_task(GFP_ATOMIC);  in sas_ata_qc_issue()
176 	if (!task)  in sas_ata_qc_issue()
178 	task->dev = dev;  in sas_ata_qc_issue()
179 	task->task_proto = SAS_PROTOCOL_STP;  in sas_ata_qc_issue()
180 	task->task_done = sas_ata_task_done;  in sas_ata_qc_issue()
186 	ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, (u8 *)&task->ata_task.fis);  in sas_ata_qc_issue()
187 	task->uldd_task = qc;  in sas_ata_qc_issue()
189 		memcpy(task->ata_task.atapi_packet, qc->cdb, qc->dev->cdb_len);  in sas_ata_qc_issue()
190 		task->total_xfer_len = qc->nbytes;  in sas_ata_qc_issue()
191 		task->num_scatter = qc->n_elem;  in sas_ata_qc_issue()
192 		task->data_dir = qc->dma_dir;  in sas_ata_qc_issue()
194 		task->data_dir = DMA_NONE;  in sas_ata_qc_issue()
199 		task->total_xfer_len = xfer;  in sas_ata_qc_issue()
200 		task->num_scatter = si;  in sas_ata_qc_issue()
201 		task->data_dir = qc->dma_dir;  in sas_ata_qc_issue()
203 	task->scatter = qc->sg;  in sas_ata_qc_issue()
204 	qc->lldd_task = task;  in sas_ata_qc_issue()
206 	task->ata_task.use_ncq = ata_is_ncq(qc->tf.protocol);  in sas_ata_qc_issue()
207 	task->ata_task.dma_xfer = ata_is_dma(qc->tf.protocol);  in sas_ata_qc_issue()
210 		task->ata_task.return_fis_on_success = 1;  in sas_ata_qc_issue()
213 		ASSIGN_SAS_TASK(qc->scsicmd, task);  in sas_ata_qc_issue()
215 	ret = i->dft->lldd_execute_task(task, GFP_ATOMIC);  in sas_ata_qc_issue()
221 		sas_free_task(task);  in sas_ata_qc_issue()
447 static void sas_ata_internal_abort(struct sas_task *task)  in sas_ata_internal_abort()  argument
449 	struct sas_internal *si = dev_to_sas_internal(task->dev);  in sas_ata_internal_abort()
453 	spin_lock_irqsave(&task->task_state_lock, flags);  in sas_ata_internal_abort()
454 	if (task->task_state_flags & SAS_TASK_STATE_ABORTED ||  in sas_ata_internal_abort()
455 	    task->task_state_flags & SAS_TASK_STATE_DONE) {  in sas_ata_internal_abort()
456 		spin_unlock_irqrestore(&task->task_state_lock, flags);  in sas_ata_internal_abort()
457 		pr_debug("%s: Task %p already finished.\n", __func__, task);  in sas_ata_internal_abort()
460 	task->task_state_flags |= SAS_TASK_STATE_ABORTED;  in sas_ata_internal_abort()
461 	spin_unlock_irqrestore(&task->task_state_lock, flags);  in sas_ata_internal_abort()
463 	res = si->dft->lldd_abort_task(task);  in sas_ata_internal_abort()
465 	spin_lock_irqsave(&task->task_state_lock, flags);  in sas_ata_internal_abort()
466 	if (task->task_state_flags & SAS_TASK_STATE_DONE ||  in sas_ata_internal_abort()
468 		spin_unlock_irqrestore(&task->task_state_lock, flags);  in sas_ata_internal_abort()
477 	pr_warn("%s: Task %p leaked.\n", __func__, task);  in sas_ata_internal_abort()
479 	if (!(task->task_state_flags & SAS_TASK_STATE_DONE))  in sas_ata_internal_abort()
480 		task->task_state_flags &= ~SAS_TASK_STATE_ABORTED;  in sas_ata_internal_abort()
481 	spin_unlock_irqrestore(&task->task_state_lock, flags);  in sas_ata_internal_abort()
485 	sas_free_task(task);  in sas_ata_internal_abort()
502 		struct sas_task *task = qc->lldd_task;  in sas_ata_post_internal()  local
505 		if (!task)  in sas_ata_post_internal()
507 		task->uldd_task = NULL;  in sas_ata_post_internal()
508 		sas_ata_internal_abort(task);  in sas_ata_post_internal()
627 void sas_ata_task_abort(struct sas_task *task)  in sas_ata_task_abort()  argument
629 	struct ata_queued_cmd *qc = task->uldd_task;  in sas_ata_task_abort()