xref: /openbmc/linux/kernel/sched/cpupri.h (revision 867a0e05)
1 #ifndef _LINUX_CPUPRI_H
2 #define _LINUX_CPUPRI_H
3 
4 #include <linux/sched.h>
5 
6 #define CPUPRI_NR_PRIORITIES	(MAX_RT_PRIO + 2)
7 
8 #define CPUPRI_INVALID -1
9 #define CPUPRI_IDLE     0
10 #define CPUPRI_NORMAL   1
11 /* values 2-101 are RT priorities 0-99 */
12 
13 struct cpupri_vec {
14 	atomic_t	count;
15 	cpumask_var_t	mask;
16 };
17 
18 struct cpupri {
19 	struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
20 	int *cpu_to_pri;
21 };
22 
23 #ifdef CONFIG_SMP
24 int  cpupri_find(struct cpupri *cp,
25 		 struct task_struct *p, struct cpumask *lowest_mask);
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 
31 #endif /* _LINUX_CPUPRI_H */
32