1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_SCHED_CPUFREQ_H
3 #define _LINUX_SCHED_CPUFREQ_H
4 
5 #include <linux/types.h>
6 
7 /*
8  * Interface between cpufreq drivers and the scheduler:
9  */
10 
11 #define SCHED_CPUFREQ_IOWAIT	(1U << 0)
12 #define SCHED_CPUFREQ_MIGRATION	(1U << 1)
13 
14 #ifdef CONFIG_CPU_FREQ
15 struct update_util_data {
16        void (*func)(struct update_util_data *data, u64 time, unsigned int flags);
17 };
18 
19 void cpufreq_add_update_util_hook(int cpu, struct update_util_data *data,
20                        void (*func)(struct update_util_data *data, u64 time,
21 				    unsigned int flags));
22 void cpufreq_remove_update_util_hook(int cpu);
23 #endif /* CONFIG_CPU_FREQ */
24 
25 #endif /* _LINUX_SCHED_CPUFREQ_H */
26