1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2) 4 5 #define CPUPRI_INVALID -1 6 #define CPUPRI_IDLE 0 7 #define CPUPRI_NORMAL 1 8 /* values 2-101 are RT priorities 0-99 */ 9 10 struct cpupri_vec { 11 atomic_t count; 12 cpumask_var_t mask; 13 }; 14 15 struct cpupri { 16 struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES]; 17 int *cpu_to_pri; 18 }; 19 20 #ifdef CONFIG_SMP 21 int cpupri_find(struct cpupri *cp, struct task_struct *p, 22 struct cpumask *lowest_mask); 23 int cpupri_find_fitness(struct cpupri *cp, struct task_struct *p, 24 struct cpumask *lowest_mask, 25 bool (*fitness_fn)(struct task_struct *p, int cpu)); 26 void cpupri_set(struct cpupri *cp, int cpu, int pri); 27 int cpupri_init(struct cpupri *cp); 28 void cpupri_cleanup(struct cpupri *cp); 29 #endif 30