[linux.git] / include / linux / range.h

#ifndef _LINUX_RANGE_H
#define _LINUX_RANGE_H

struct range {
	u64   start;
	u64   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);

#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
27811d8c YL	1	#ifndef _LINUX_RANGE_H
	2	#define _LINUX_RANGE_H
	3
	4	struct range {
	5	u64 start;
	6	u64 end;
	7	};
	8
	9	int add_range(struct range *range, int az, int nr_range,
	10	u64 start, u64 end);
	11
	12
	13	int add_range_with_merge(struct range *range, int az, int nr_range,
	14	u64 start, u64 end);
	15
	16	void subtract_range(struct range *range, int az, u64 start, u64 end);
	17
	18	int clean_sort_range(struct range *range, int az);
	19
	20	void sort_range(struct range *range, int nr_range);
	21
9ad3f2c7 YL	22	#define MAX_RESOURCE ((resource_size_t)~0)
	23	static inline resource_size_t cap_resource(u64 val)
	24	{
	25	if (val > MAX_RESOURCE)
	26	return MAX_RESOURCE;
	27
	28	return val;
	29	}
27811d8c	30	#endif