[linux-2.6-block.git] / kernel / sched / cpupri.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_CPUPRI_H
#define _LINUX_CPUPRI_H

#include <linux/sched.h>

#define CPUPRI_NR_PRIORITIES	(MAX_RT_PRIO + 2)

#define CPUPRI_INVALID -1
#define CPUPRI_IDLE     0
#define CPUPRI_NORMAL   1
/* values 2-101 are RT priorities 0-99 */

struct cpupri_vec {
	atomic_t	count;
	cpumask_var_t	mask;
};

struct cpupri {
	struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
	int *cpu_to_pri;
};

#ifdef CONFIG_SMP
int  cpupri_find(struct cpupri *cp,
		 struct task_struct *p, struct cpumask *lowest_mask);
void cpupri_set(struct cpupri *cp, int cpu, int pri);
int cpupri_init(struct cpupri *cp);
void cpupri_cleanup(struct cpupri *cp);
#endif

#endif /* _LINUX_CPUPRI_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
6e0534f2 GH	2	#ifndef _LINUX_CPUPRI_H
	3	#define _LINUX_CPUPRI_H
	4
	5	#include <linux/sched.h>
	6
e539d8fc	7	#define CPUPRI_NR_PRIORITIES (MAX_RT_PRIO + 2)
6e0534f2 GH	8
	9	#define CPUPRI_INVALID -1
	10	#define CPUPRI_IDLE 0
	11	#define CPUPRI_NORMAL 1
	12	/* values 2-101 are RT priorities 0-99 */
	13
	14	struct cpupri_vec {
c92211d9 SR	15	atomic_t count;
c92211d9 SR	16	cpumask_var_t mask;
6e0534f2 GH	17	};
	18
	19	struct cpupri {
	20	struct cpupri_vec pri_to_cpu[CPUPRI_NR_PRIORITIES];
4dac0b63	21	int *cpu_to_pri;
6e0534f2 GH	22	};
	23
	24	#ifdef CONFIG_SMP
	25	int cpupri_find(struct cpupri *cp,
612a726f	26	struct task_struct p, struct cpumask lowest_mask);
6e0534f2	27	void cpupri_set(struct cpupri *cp, int cpu, int pri);
68c38fc3	28	int cpupri_init(struct cpupri *cp);
68e74568	29	void cpupri_cleanup(struct cpupri *cp);
6e0534f2 GH	30	#endif
	31
	32	#endif /* _LINUX_CPUPRI_H */