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