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