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Commit | Line | Data |
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6bfd6d72 JL |
1 | #ifndef _LINUX_CPUDL_H |
2 | #define _LINUX_CPUDL_H | |
3 | ||
4 | #include <linux/sched.h> | |
5 | ||
6 | #define IDX_INVALID -1 | |
7 | ||
944770ab | 8 | struct cpudl_item { |
6bfd6d72 JL |
9 | u64 dl; |
10 | int cpu; | |
944770ab | 11 | int idx; |
6bfd6d72 JL |
12 | }; |
13 | ||
14 | struct cpudl { | |
15 | raw_spinlock_t lock; | |
16 | int size; | |
6bfd6d72 | 17 | cpumask_var_t free_cpus; |
944770ab | 18 | struct cpudl_item *elements; |
6bfd6d72 JL |
19 | }; |
20 | ||
21 | ||
22 | #ifdef CONFIG_SMP | |
23 | int cpudl_find(struct cpudl *cp, struct task_struct *p, | |
24 | struct cpumask *later_mask); | |
25 | void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid); | |
26 | int cpudl_init(struct cpudl *cp); | |
27 | void cpudl_cleanup(struct cpudl *cp); | |
28 | #else | |
29 | #define cpudl_set(cp, cpu, dl) do { } while (0) | |
30 | #define cpudl_init() do { } while (0) | |
31 | #endif /* CONFIG_SMP */ | |
32 | ||
33 | #endif /* _LINUX_CPUDL_H */ |