Lines Matching defs:task
64 #include "task.h"
71 * @task: request to complete
72 * @response: response code for the completed task.
73 * @status: status code for the completed task.
76 static void isci_task_refuse(struct isci_host *ihost, struct sas_task *task,
84 dev_dbg(&ihost->pdev->dev, "%s: task = %p, response=%d, status=%d\n",
85 __func__, task, response, status);
87 spin_lock_irqsave(&task->task_state_lock, flags);
89 task->task_status.resp = response;
90 task->task_status.stat = status;
93 task->task_state_flags |= SAS_TASK_STATE_DONE;
94 task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
95 task->lldd_task = NULL;
96 spin_unlock_irqrestore(&task->task_state_lock, flags);
98 task->task_done(task);
101 #define for_each_sas_task(num, task) \
103 task = list_entry(task->list.next, struct sas_task, list))
107 struct sas_task *task)
111 isci_task_is_ncq_recovery(task))
116 * functions. This function is called by libsas to send a task down to
118 * @task: This parameter specifies the SAS task to send.
123 int isci_task_execute_task(struct sas_task *task, gfp_t gfp_flags)
125 struct isci_host *ihost = dev_to_ihost(task->dev);
133 idev = isci_lookup_device(task->dev);
134 io_ready = isci_device_io_ready(idev, task);
139 "task: %p, dev: %p idev: %p:%#lx cmd = %p\n",
140 task, task->dev, idev, idev ? idev->flags : 0,
141 task->uldd_task);
144 isci_task_refuse(ihost, task, SAS_TASK_UNDELIVERED,
150 isci_task_refuse(ihost, task, SAS_TASK_COMPLETE,
154 spin_lock_irqsave(&task->task_state_lock, flags);
156 if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
158 spin_unlock_irqrestore(&task->task_state_lock, flags);
160 isci_task_refuse(ihost, task,
167 ireq = isci_io_request_from_tag(ihost, task, tag);
168 spin_unlock_irqrestore(&task->task_state_lock, flags);
172 status = isci_request_execute(ihost, idev, task, ireq);
179 isci_task_refuse(ihost, task,
191 isci_task_refuse(ihost, task,
243 /* XXX convert to get this from task->tproto like other drivers */
445 /* Send the task management part of the reset. */
471 * functions. This function is called by libsas to abort a specified task.
472 * @task: This parameter specifies the SAS task to abort.
476 int isci_task_abort_task(struct sas_task *task)
478 struct isci_host *ihost = dev_to_ihost(task->dev);
487 /* Get the isci_request reference from the task. Note that
493 spin_lock(&task->task_state_lock);
495 old_request = task->lldd_task;
497 /* If task is already done, the request isn't valid */
498 if (!(task->task_state_flags & SAS_TASK_STATE_DONE) &&
500 idev = isci_get_device(task->dev->lldd_dev);
504 spin_unlock(&task->task_state_lock);
508 "%s: dev = %p (%s%s), task = %p, old_request == %p\n",
510 (dev_is_sata(task->dev) ? "STP/SATA"
511 : ((dev_is_expander(task->dev->dev_type))
518 task, old_request);
526 * is nothing to do here other than to set the task
527 * done bit, and indicate that the task abort function
530 spin_lock_irqsave(&task->task_state_lock, flags);
531 task->task_state_flags |= SAS_TASK_STATE_DONE;
532 task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
533 spin_unlock_irqrestore(&task->task_state_lock, flags);
538 "%s: abort task not needed for %p\n",
539 __func__, task);
547 "req=%p, task=%p) failed\n",
548 __func__, idev, old_request, task);
554 if (task->task_proto == SAS_PROTOCOL_SMP ||
555 sas_protocol_ata(task->task_proto) ||
561 /* No task to send, so explicitly resume the device here */
569 ((task->task_proto == SAS_PROTOCOL_SMP)
571 : (sas_protocol_ata(task->task_proto)
579 spin_lock_irqsave(&task->task_state_lock, flags);
580 task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
581 task->task_state_flags |= SAS_TASK_STATE_DONE;
582 spin_unlock_irqrestore(&task->task_state_lock, flags);
592 /* Send the task management request. */
599 "%s: Done; dev = %p, task = %p , old_request == %p\n",
600 __func__, idev, task, old_request);
608 * to abort all task for the given lun.
644 * all return codes from the abort task call). When TMF_RESP_FUNC_SUCC is
647 * @task: This parameter specifies the sas task being queried.
652 struct sas_task *task)
655 if (task->task_state_flags & SAS_TASK_NEED_DEV_RESET)
663 * an task request completes.
697 /* PRINT_TMF( ((struct isci_tmf *)request->task)); */
712 /* The task management part completes last. */
748 /* Explicitly resume the RNC here, since there was no task sent. */