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
13struct cpupri_vec {
14	atomic_t	count;
15	cpumask_var_t	mask;
16};
17
18struct cpupri {
19	struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
20	int *cpu_to_pri;
21};
22
23#ifdef CONFIG_SMP
24int  cpupri_find(struct cpupri *cp,
25		 struct task_struct *p, struct cpumask *lowest_mask);
 
 
 
26void cpupri_set(struct cpupri *cp, int cpu, int pri);
27int cpupri_init(struct cpupri *cp);
28void cpupri_cleanup(struct cpupri *cp);
29#else
30#define cpupri_set(cp, cpu, pri) do { } while (0)
31#define cpupri_init() do { } while (0)
32#endif
33
34#endif /* _LINUX_CPUPRI_H */

 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
10struct cpupri_vec {
11	atomic_t		count;
12	cpumask_var_t		mask;
13};
14
15struct cpupri {
16	struct cpupri_vec	pri_to_cpu[CPUPRI_NR_PRIORITIES];
17	int			*cpu_to_pri;
18};
19
20#ifdef CONFIG_SMP
21int  cpupri_find(struct cpupri *cp, struct task_struct *p,
22		 struct cpumask *lowest_mask);
23int  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));
26void cpupri_set(struct cpupri *cp, int cpu, int pri);
27int  cpupri_init(struct cpupri *cp);
28void cpupri_cleanup(struct cpupri *cp);
 
 
 
29#endif