[mirror_ubuntu-jammy-kernel.git] / include / linux / range.h

/* 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;
}

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);

#define MAX_RESOURCE ((resource_size_t)~0)
static inline resource_size_t cap_resource(u64 val)
{
	if (val > MAX_RESOURCE)
		return MAX_RESOURCE;

	return val;
}
#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
27811d8c YL	2	#ifndef _LINUX_RANGE_H
27811d8c YL	3	#define _LINUX_RANGE_H
a4574f63	4	#include <linux/types.h>
27811d8c YL	5
	6	struct range {
	7	u64 start;
	8	u64 end;
	9	};
	10
a4574f63 DW	11	static inline u64 range_len(const struct range *range)
	12	{
	13	return range->end - range->start + 1;
	14	}
	15
27811d8c YL	16	int add_range(struct range *range, int az, int nr_range,
	17	u64 start, u64 end);
	18
	19
	20	int add_range_with_merge(struct range *range, int az, int nr_range,
	21	u64 start, u64 end);
	22
	23	void subtract_range(struct range *range, int az, u64 start, u64 end);
	24
	25	int clean_sort_range(struct range *range, int az);
	26
	27	void sort_range(struct range *range, int nr_range);
	28
9ad3f2c7 YL	29	#define MAX_RESOURCE ((resource_size_t)~0)
	30	static inline resource_size_t cap_resource(u64 val)
	31	{
	32	if (val > MAX_RESOURCE)
	33	return MAX_RESOURCE;
	34
	35	return val;
	36	}
27811d8c	37	#endif