osal_task.h

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/*
 * Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2021-2022. All rights reserved.
 * Description: OS Abstract Layer.
 */
 
#ifndef __OSAL_TASK_H__
#define __OSAL_TASK_H__
 
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif
 
#if defined(__LITEOS__) || defined(__FREERTOS__)
#define OSAL_TASK_PRIORITY_ABOVE_HIGH   2
#define OSAL_TASK_PRIORITY_HIGH         3
#define OSAL_TASK_PRIORITY_BELOW_HIGH   4
#define OSAL_TASK_PRIORITY_ABOVE_MIDDLE 5
#define OSAL_TASK_PRIORITY_MIDDLE       6
#define OSAL_TASK_PRIORITY_BELOW_MIDDLE 7
#define OSAL_TASK_PRIORITY_ABOVE_LOW    8
#define OSAL_TASK_PRIORITY_LOW          10
#define OSAL_TASK_PRIORITY_BELOW_LOW    11
#elif defined(__KERNEL__)
#define OSAL_TASK_PRIORITY_ABOVE_HIGH   99
#define OSAL_TASK_PRIORITY_HIGH         90
#define OSAL_TASK_PRIORITY_BELOW_HIGH   80
#define OSAL_TASK_PRIORITY_ABOVE_MIDDLE 70
#define OSAL_TASK_PRIORITY_MIDDLE       60
#define OSAL_TASK_PRIORITY_BELOW_MIDDLE 50
#define OSAL_TASK_PRIORITY_ABOVE_LOW    40
#define OSAL_TASK_PRIORITY_LOW          30
#define OSAL_TASK_PRIORITY_BELOW_LOW    20
#else
#define OSAL_TASK_PRIORITY_ABOVE_HIGH   2
#define OSAL_TASK_PRIORITY_HIGH         3
#define OSAL_TASK_PRIORITY_BELOW_HIGH   4
#define OSAL_TASK_PRIORITY_ABOVE_MIDDLE 5
#define OSAL_TASK_PRIORITY_MIDDLE       6
#define OSAL_TASK_PRIORITY_BELOW_MIDDLE 7
#define OSAL_TASK_PRIORITY_ABOVE_LOW    8
#define OSAL_TASK_PRIORITY_LOW          10
#define OSAL_TASK_PRIORITY_BELOW_LOW    11
#endif
typedef struct {
    void *task;
} osal_task;
typedef int (*osal_kthread_handler)(void *data);
 
osal_task *osal_kthread_create(osal_kthread_handler handler, void *data, const char *name, unsigned int stack_size);
 
int osal_kthread_set_priority(osal_task *task, unsigned int priority);
 
void osal_kthread_set_affinity(osal_task *task, int cpu_mask);
 
int osal_kthread_should_stop(void);
 
int osal_kthread_wakeup_process(osal_task *task);
 
void osal_kthread_bind(osal_task *task, unsigned int cpu);
 
void osal_kthread_lock(void);
 
void osal_kthread_unlock(void);
 
void osal_kthread_destroy(osal_task *task, unsigned int stop_flag);
 
void osal_kthread_schedule(unsigned int sleep_ns);
 
void osal_kthread_set_uninterrupt(void);
 
void osal_kthread_set_running(void);
 
void osal_cond_resched(void);
 
void osal_schedule(void);
 
void osal_kneon_begin(void);
 
void osal_kneon_end(void);
 
void osal_yield(void);
 
long osal_get_current_pid(void);
 
long osal_get_current_tid(void);
 
int osal_get_current_tgid(void);
 
char *osal_get_current_taskname(void);
 
unsigned long osal_msleep(unsigned int msecs);
 
void osal_msleep_uninterruptible(unsigned int msecs);
 
void osal_udelay(unsigned int usecs);
 
void osal_mdelay(unsigned int msecs);
 
void osal_kthread_suspend(osal_task *task);
 
void osal_kthread_resume(osal_task *task);
 
#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif
#endif /* __OSAL_TASK_H__ */