1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 26bfd6d72SJuri Lelli 36bfd6d72SJuri Lelli #define IDX_INVALID -1 46bfd6d72SJuri Lelli 5944770abSPeter Zijlstra struct cpudl_item { 66bfd6d72SJuri Lelli u64 dl; 76bfd6d72SJuri Lelli int cpu; 8944770abSPeter Zijlstra int idx; 96bfd6d72SJuri Lelli }; 106bfd6d72SJuri Lelli 116bfd6d72SJuri Lelli struct cpudl { 126bfd6d72SJuri Lelli raw_spinlock_t lock; 136bfd6d72SJuri Lelli int size; 146bfd6d72SJuri Lelli cpumask_var_t free_cpus; 15944770abSPeter Zijlstra struct cpudl_item *elements; 166bfd6d72SJuri Lelli }; 176bfd6d72SJuri Lelli 186bfd6d72SJuri Lelli #ifdef CONFIG_SMP 19*97fb7a0aSIngo Molnar int cpudl_find(struct cpudl *cp, struct task_struct *p, struct cpumask *later_mask); 20d8206bb3STommaso Cucinotta void cpudl_set(struct cpudl *cp, int cpu, u64 dl); 21d8206bb3STommaso Cucinotta void cpudl_clear(struct cpudl *cp, int cpu); 226bfd6d72SJuri Lelli int cpudl_init(struct cpudl *cp); 2316b26943SXunlei Pang void cpudl_set_freecpu(struct cpudl *cp, int cpu); 2416b26943SXunlei Pang void cpudl_clear_freecpu(struct cpudl *cp, int cpu); 256bfd6d72SJuri Lelli void cpudl_cleanup(struct cpudl *cp); 266bfd6d72SJuri Lelli #endif /* CONFIG_SMP */ 27