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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
6e0534f2 GH |
2 | #ifndef _LINUX_CPUPRI_H |
3 | #define _LINUX_CPUPRI_H | |
4 | ||
5 | #include <linux/sched.h> | |
6 | ||
e539d8fc | 7 | #define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2) |
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8 | |
9 | #define CPUPRI_INVALID -1 | |
10 | #define CPUPRI_IDLE 0 | |
11 | #define CPUPRI_NORMAL 1 | |
12 | /* values 2-101 are RT priorities 0-99 */ | |
13 | ||
14 | struct cpupri_vec { | |
c92211d9 SR |
15 | atomic_t count; |
16 | cpumask_var_t mask; | |
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17 | }; |
18 | ||
19 | struct cpupri { | |
20 | struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES]; | |
4dac0b63 | 21 | int *cpu_to_pri; |
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22 | }; |
23 | ||
24 | #ifdef CONFIG_SMP | |
25 | int cpupri_find(struct cpupri *cp, | |
612a726f | 26 | struct task_struct *p, struct cpumask *lowest_mask); |
6e0534f2 | 27 | void cpupri_set(struct cpupri *cp, int cpu, int pri); |
68c38fc3 | 28 | int cpupri_init(struct cpupri *cp); |
68e74568 | 29 | void cpupri_cleanup(struct cpupri *cp); |
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30 | #endif |
31 | ||
32 | #endif /* _LINUX_CPUPRI_H */ |