1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_RANGE_H
3#define _LINUX_RANGE_H
4#include <linux/types.h>
5
6struct range {
7	u64   start;
8	u64   end;
9};
10
11static inline u64 range_len(const struct range *range)
12{
13	return range->end - range->start + 1;
14}
15
16static inline bool range_contains(struct range *r1, struct range *r2)
17{
18	return r1->start <= r2->start && r1->end >= r2->end;
19}
20
21int add_range(struct range *range, int az, int nr_range,
22		u64 start, u64 end);
23
24
25int add_range_with_merge(struct range *range, int az, int nr_range,
26				u64 start, u64 end);
27
28void subtract_range(struct range *range, int az, u64 start, u64 end);
29
30int clean_sort_range(struct range *range, int az);
31
32void sort_range(struct range *range, int nr_range);
33
34#endif
35