include/linux/sched/cpufreq.h

   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_RT        (1U << 0)
  12 #define SCHED_CPUFREQ_DL        (1U << 1)
  13 #define SCHED_CPUFREQ_IOWAIT    (1U << 2)
  14
  15 #define SCHED_CPUFREQ_RT_DL     (SCHED_CPUFREQ_RT | SCHED_CPUFREQ_DL)
  16
  17 #ifdef CONFIG_CPU_FREQ
  18 struct update_util_data {
  19        void (*func)(struct update_util_data *data, u64 time, unsigned int flags);
  20 };
  21
  22 void cpufreq_add_update_util_hook(int cpu, struct update_util_data *data,
  23                        void (*func)(struct update_util_data *data, u64 time,
  24                                     unsigned int flags));
  25 void cpufreq_remove_update_util_hook(int cpu);
  26 #endif /* CONFIG_CPU_FREQ */
  27
  28 #endif /* _LINUX_SCHED_CPUFREQ_H */