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/* 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