| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _LINUX_RANGE_H | |
| #define _LINUX_RANGE_H | |
| #include <linux/types.h> | |
| struct range { | |
| u64 start; | |
| u64 end; | |
| }; | |
| static inline u64 range_len(const struct range *range) | |
| { | |
| return range->end - range->start + 1; | |
| } | |
| static inline bool range_contains(struct range *r1, struct range *r2) | |
| { | |
| return r1->start <= r2->start && r1->end >= r2->end; | |
| } | |
| int add_range(struct range *range, int az, int nr_range, | |
| u64 start, u64 end); | |
| int add_range_with_merge(struct range *range, int az, int nr_range, | |
| u64 start, u64 end); | |
| void subtract_range(struct range *range, int az, u64 start, u64 end); | |
| int clean_sort_range(struct range *range, int az); | |
| void sort_range(struct range *range, int nr_range); | |
| #endif |