LXR qemu/util/block-helpers.h

   1#ifndef BLOCK_HELPERS_H
   2#define BLOCK_HELPERS_H
   3
   4#include "qemu/units.h"
   5
   6/* lower limit is sector size */
   7#define MIN_BLOCK_SIZE          INT64_C(512)
   8#define MIN_BLOCK_SIZE_STR      "512 B"
   9/*
  10 * upper limit is arbitrary, 2 MiB looks sufficient for all sensible uses, and
  11 * matches qcow2 cluster size limit
  12 */
  13#define MAX_BLOCK_SIZE          (2 * MiB)
  14#define MAX_BLOCK_SIZE_STR      "2 MiB"
  15
  16void check_block_size(const char *id, const char *name, int64_t value,
  17                      Error **errp);
  18
  19#endif /* BLOCK_HELPERS_H */
  20