38 lines
775 B
C
38 lines
775 B
C
/* 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
|