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