| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | |
| 3 | #define IDX_INVALID -1 |
| 4 | |
| 5 | struct cpudl_item { |
| 6 | u64 dl; |
| 7 | int cpu; |
| 8 | int idx; |
| 9 | }; |
| 10 | |
| 11 | struct cpudl { |
| 12 | raw_spinlock_t lock; |
| 13 | int size; |
| 14 | cpumask_var_t free_cpus; |
| 15 | struct cpudl_item *elements; |
| 16 | }; |
| 17 | |
| 18 | #ifdef CONFIG_SMP |
| 19 | int cpudl_find(struct cpudl *cp, struct task_struct *p, struct cpumask *later_mask); |
| 20 | void cpudl_set(struct cpudl *cp, int cpu, u64 dl); |
| 21 | void cpudl_clear(struct cpudl *cp, int cpu); |
| 22 | int cpudl_init(struct cpudl *cp); |
| 23 | void cpudl_set_freecpu(struct cpudl *cp, int cpu); |
| 24 | void cpudl_clear_freecpu(struct cpudl *cp, int cpu); |
| 25 | void cpudl_cleanup(struct cpudl *cp); |
| 26 | #endif /* CONFIG_SMP */ |
| 27 |