/* SPDX-License-Identifier: GPL-2.0 */

#ifdef CONFIG_SCHED_ALT

static inline int dl_task(struct task_struct *p)
{
	return 0;
}

#ifdef CONFIG_SCHED_BMQ
#define __tsk_deadline(p)	(0UL)
#endif

#ifdef CONFIG_SCHED_PDS
#define __tsk_deadline(p)	((((u64) ((p)->prio))<<56) | (p)->deadline)
#endif

#else

#define __tsk_deadline(p)	((p)->dl.deadline)

/*
 * SCHED_DEADLINE tasks has negative priorities, reflecting
 * the fact that any of them has higher prio than RT and
 * NORMAL/BATCH tasks.
 */

#include <linux/sched.h>

#define MAX_DL_PRIO		0

static inline int dl_prio(int prio)
{
	if (unlikely(prio < MAX_DL_PRIO))
		return 1;
	return 0;
}

static inline int dl_task(struct task_struct *p)
{
	return dl_prio(p->prio);
}
#endif /* CONFIG_SCHED_ALT */

static inline bool dl_time_before(u64 a, u64 b)
{
	return (s64)(a - b) < 0;
}

#ifdef CONFIG_SMP

struct root_domain;
extern void dl_add_task_root_domain(struct task_struct *p);
extern void dl_clear_root_domain(struct root_domain *rd);

#endif /* CONFIG_SMP */