| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | |
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| 3 | #define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO+1) |
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| 4 | |
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| 5 | #define CPUPRI_INVALID -1 |
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| 6 | #define CPUPRI_NORMAL 0 |
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| 7 | /* values 1-99 are for RT1-RT99 priorities */ |
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| 8 | #define CPUPRI_HIGHER 100 |
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| 9 | |
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| 10 | struct cpupri_vec { |
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| 11 | atomic_t count; |
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| 12 | cpumask_var_t mask; |
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| 13 | }; |
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| 14 | |
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| 15 | struct cpupri { |
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| 16 | struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES]; |
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| 17 | int *cpu_to_pri; |
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| 18 | }; |
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| 19 | |
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| 20 | #ifdef CONFIG_SMP |
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| 21 | int cpupri_find(struct cpupri *cp, struct task_struct *p, |
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| 22 | struct cpumask *lowest_mask); |
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| 23 | int cpupri_find_fitness(struct cpupri *cp, struct task_struct *p, |
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| 24 | struct cpumask *lowest_mask, |
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| 25 | bool (*fitness_fn)(struct task_struct *p, int cpu)); |
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| 26 | void cpupri_set(struct cpupri *cp, int cpu, int pri); |
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| 27 | int cpupri_init(struct cpupri *cp); |
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| 28 | void cpupri_cleanup(struct cpupri *cp); |
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| 29 | #endif |
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| 30 | |
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