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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 | ||
9 | struct cpudl_item { | |
10 | u64 dl; | |
11 | int cpu; | |
12 | int idx; | |
13 | }; | |
14 | ||
15 | struct 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 | |
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); | |
27 | void cpudl_clear(struct cpudl *cp, int cpu); | |
28 | int cpudl_init(struct cpudl *cp); | |
29 | void cpudl_set_freecpu(struct cpudl *cp, int cpu); | |
30 | void cpudl_clear_freecpu(struct cpudl *cp, int cpu); | |
31 | void cpudl_cleanup(struct cpudl *cp); | |
32 | #endif /* CONFIG_SMP */ | |
33 | ||
34 | #endif /* _LINUX_CPUDL_H */ |