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Juri Lelli6bfd6d72013-11-07 14:43:47 +01001#ifndef _LINUX_CPUDL_H
2#define _LINUX_CPUDL_H
3
4#include <linux/sched.h>
5
6#define IDX_INVALID -1
7
Peter Zijlstra944770a2014-05-14 16:13:56 +02008struct cpudl_item {
Juri Lelli6bfd6d72013-11-07 14:43:47 +01009 u64 dl;
10 int cpu;
Peter Zijlstra944770a2014-05-14 16:13:56 +020011 int idx;
Juri Lelli6bfd6d72013-11-07 14:43:47 +010012};
13
14struct cpudl {
15 raw_spinlock_t lock;
16 int size;
Juri Lelli6bfd6d72013-11-07 14:43:47 +010017 cpumask_var_t free_cpus;
Peter Zijlstra944770a2014-05-14 16:13:56 +020018 struct cpudl_item *elements;
Juri Lelli6bfd6d72013-11-07 14:43:47 +010019};
20
21
22#ifdef CONFIG_SMP
23int cpudl_find(struct cpudl *cp, struct task_struct *p,
24 struct cpumask *later_mask);
25void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
26int cpudl_init(struct cpudl *cp);
Xunlei Pang16b26942015-01-19 04:49:36 +000027void cpudl_set_freecpu(struct cpudl *cp, int cpu);
28void cpudl_clear_freecpu(struct cpudl *cp, int cpu);
Juri Lelli6bfd6d72013-11-07 14:43:47 +010029void cpudl_cleanup(struct cpudl *cp);
Juri Lelli6bfd6d72013-11-07 14:43:47 +010030#endif /* CONFIG_SMP */
31
32#endif /* _LINUX_CPUDL_H */