kernel/sched/cpudeadline.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_CPUDL_H
   3 #define _LINUX_CPUDL_H
   4
   5 #include <linux/sched.h>
   6 #include <linux/sched/deadline.h>
   7
   8 #define IDX_INVALID     -1
   9
  10 struct cpudl_item {
  11         u64 dl;
  12         int cpu;
  13         int idx;
  14 };
  15
  16 struct cpudl {
  17         raw_spinlock_t lock;
  18         int size;
  19         cpumask_var_t free_cpus;
  20         struct cpudl_item *elements;
  21 };
  22
  23
  24 #ifdef CONFIG_SMP
  25 int cpudl_find(struct cpudl *cp, struct task_struct *p,
  26                struct cpumask *later_mask);
  27 void cpudl_set(struct cpudl *cp, int cpu, u64 dl);
  28 void cpudl_clear(struct cpudl *cp, int cpu);
  29 int cpudl_init(struct cpudl *cp);
  30 void cpudl_set_freecpu(struct cpudl *cp, int cpu);
  31 void cpudl_clear_freecpu(struct cpudl *cp, int cpu);
  32 void cpudl_cleanup(struct cpudl *cp);
  33 #endif /* CONFIG_SMP */
  34
  35 #endif /* _LINUX_CPUDL_H */