task.h File Reference

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Data Structures
struct	task_ops
	Task operations. More...
struct	task
	Task used by schedulers. More...

Macros
#define	SOF_TASK_PRI_HIGH   0 /* priority level 0 - high */
	Predefined LL task priorities.
#define	SOF_TASK_PRI_MED   4 /* priority level 4 - medium */
#define	SOF_TASK_PRI_LOW   9 /* priority level 9 - low */
#define	SOF_TASK_DEADLINE_IDLE   UINT64_MAX
	Predefined EDF task deadlines.
#define	SOF_TASK_DEADLINE_ALMOST_IDLE   (SOF_TASK_DEADLINE_IDLE - 1)
#define	SOF_TASK_DEADLINE_NOW   0
#define	SOF_TASK_SKIP_COUNT   0xFFFFu
	Task counter initial value.

Enumerations
enum	task_state {   SOF_TASK_STATE_INIT = 0 , SOF_TASK_STATE_QUEUED , SOF_TASK_STATE_PENDING , SOF_TASK_STATE_RUNNING ,   SOF_TASK_STATE_PREEMPTED , SOF_TASK_STATE_COMPLETED , SOF_TASK_STATE_FREE , SOF_TASK_STATE_CANCEL ,   SOF_TASK_STATE_RESCHEDULE }
	Task states. More...

Functions
static bool	task_is_active (struct task *task)
static enum task_state	task_run (struct task *task)
static void	task_complete (struct task *task)
static uint64_t	task_get_deadline (struct task *task)
int	task_main_start (struct sof *sof)
int	start_complete (void)

Macro Definition Documentation

SOF_TASK_DEADLINE_ALMOST_IDLE

#define SOF_TASK_DEADLINE_ALMOST_IDLE   (SOF_TASK_DEADLINE_IDLE - 1)

SOF_TASK_DEADLINE_IDLE

#define SOF_TASK_DEADLINE_IDLE   UINT64_MAX

Predefined EDF task deadlines.

SOF_TASK_DEADLINE_NOW

#define SOF_TASK_DEADLINE_NOW   0

SOF_TASK_PRI_HIGH

#define SOF_TASK_PRI_HIGH   0 /* priority level 0 - high */

Predefined LL task priorities.

SOF_TASK_PRI_LOW

#define SOF_TASK_PRI_LOW   9 /* priority level 9 - low */

SOF_TASK_PRI_MED

#define SOF_TASK_PRI_MED   4 /* priority level 4 - medium */

SOF_TASK_SKIP_COUNT

#define SOF_TASK_SKIP_COUNT   0xFFFFu

Task counter initial value.

Enumeration Type Documentation

task_state

enum task_state

Task states.

Enumerator
SOF_TASK_STATE_INIT
SOF_TASK_STATE_QUEUED
SOF_TASK_STATE_PENDING
SOF_TASK_STATE_RUNNING
SOF_TASK_STATE_PREEMPTED
SOF_TASK_STATE_COMPLETED
SOF_TASK_STATE_FREE
SOF_TASK_STATE_CANCEL
SOF_TASK_STATE_RESCHEDULE

Function Documentation

start_complete()

int start_complete

(

void

)

task_complete()

void task_complete ( struct task * task )

inlinestatic

task_get_deadline()

uint64_t task_get_deadline ( struct task * task )

inlinestatic

task_is_active()

bool task_is_active ( struct task * task )

inlinestatic

task_main_start()

int task_main_start

(

struct sof *

sof

)

task_run()

enum task_state task_run ( struct task * task )

inlinestatic