| /* 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 |