[linux-2.6-block.git] / kernel / sched / cpudeadline.h

#ifndef _LINUX_CPUDL_H
#define _LINUX_CPUDL_H

#include <linux/sched.h>
#include <linux/sched/deadline.h>

#define IDX_INVALID     -1

struct cpudl_item {
	u64 dl;
	int cpu;
	int idx;
};

struct cpudl {
	raw_spinlock_t lock;
	int size;
	cpumask_var_t free_cpus;
	struct cpudl_item *elements;
};


#ifdef CONFIG_SMP
int cpudl_find(struct cpudl *cp, struct task_struct *p,
	       struct cpumask *later_mask);
void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
int cpudl_init(struct cpudl *cp);
void cpudl_set_freecpu(struct cpudl *cp, int cpu);
void cpudl_clear_freecpu(struct cpudl *cp, int cpu);
void cpudl_cleanup(struct cpudl *cp);
#endif /* CONFIG_SMP */

#endif /* _LINUX_CPUDL_H */
Commit	Line	Data
6bfd6d72 JL	1	#ifndef _LINUX_CPUDL_H
	2	#define _LINUX_CPUDL_H
	3
	4	#include <linux/sched.h>
2726d6ce	5	#include <linux/sched/deadline.h>
6bfd6d72 JL	6
	7	#define IDX_INVALID -1
	8
944770ab	9	struct cpudl_item {
6bfd6d72 JL	10	u64 dl;
6bfd6d72 JL	11	int cpu;
944770ab	12	int idx;
6bfd6d72 JL	13	};
	14
	15	struct cpudl {
	16	raw_spinlock_t lock;
	17	int size;
6bfd6d72	18	cpumask_var_t free_cpus;
944770ab	19	struct cpudl_item *elements;
6bfd6d72 JL	20	};
	21
	22
	23	#ifdef CONFIG_SMP
	24	int cpudl_find(struct cpudl cp, struct task_struct p,
	25	struct cpumask *later_mask);
	26	void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
	27	int cpudl_init(struct cpudl *cp);
16b26943 XP	28	void cpudl_set_freecpu(struct cpudl *cp, int cpu);
16b26943 XP	29	void cpudl_clear_freecpu(struct cpudl *cp, int cpu);
6bfd6d72	30	void cpudl_cleanup(struct cpudl *cp);
6bfd6d72 JL	31	#endif /* CONFIG_SMP */
	32
	33	#endif /* _LINUX_CPUDL_H */