include/linux/range.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _LINUX_RANGE_H
   3 #define _LINUX_RANGE_H
   4
   5 struct range {
   6         u64   start;
   7         u64   end;
   8 };
   9
  10 int add_range(struct range *range, int az, int nr_range,
  11                 u64 start, u64 end);
  12
  13
  14 int add_range_with_merge(struct range *range, int az, int nr_range,
  15                                 u64 start, u64 end);
  16
  17 void subtract_range(struct range *range, int az, u64 start, u64 end);
  18
  19 int clean_sort_range(struct range *range, int az);
  20
  21 void sort_range(struct range *range, int nr_range);
  22
  23 #define MAX_RESOURCE ((resource_size_t)~0)
  24 static inline resource_size_t cap_resource(u64 val)
  25 {
  26         if (val > MAX_RESOURCE)
  27                 return MAX_RESOURCE;
  28
  29         return val;
  30 }
  31 #endif