1/* SPDX-License-Identifier: GPL-2.0 */
 
 2
 3#define IDX_INVALID		-1
 
 
 
 4
 5struct cpudl_item {
 6	u64			dl;
 7	int			cpu;
 8	int			idx;
 9};
10
11struct cpudl {
12	raw_spinlock_t		lock;
13	int			size;
14	cpumask_var_t		free_cpus;
15	struct cpudl_item	*elements;
16};
17
 
18#ifdef CONFIG_SMP
19int  cpudl_find(struct cpudl *cp, struct task_struct *p, struct cpumask *later_mask);
 
20void cpudl_set(struct cpudl *cp, int cpu, u64 dl);
21void cpudl_clear(struct cpudl *cp, int cpu);
22int  cpudl_init(struct cpudl *cp);
23void cpudl_set_freecpu(struct cpudl *cp, int cpu);
24void cpudl_clear_freecpu(struct cpudl *cp, int cpu);
25void cpudl_cleanup(struct cpudl *cp);
26#endif /* CONFIG_SMP */

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