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, struct cpumask *lowest_mask);
22 void cpupri_set(struct cpupri *cp, int cpu, int pri);
23 int  cpupri_init(struct cpupri *cp);
24 void cpupri_cleanup(struct cpupri *cp);
25 #endif
26