qemu/util/block-helpers.h

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#ifndef BLOCK_HELPERS_H
#define BLOCK_HELPERS_H
#include "qemu/units.h"
/* lower limit is sector size */
#define MIN_BLOCK_SIZE INT64_C(512)
#define MIN_BLOCK_SIZE_STR "512 B"
/*
* upper limit is arbitrary, 2 MiB looks sufficient for all sensible uses, and
* matches qcow2 cluster size limit
*/
#define MAX_BLOCK_SIZE (2 * MiB)
#define MAX_BLOCK_SIZE_STR "2 MiB"
void check_block_size(const char *id, const char *name, int64_t value,
Error **errp);
#endif /* BLOCK_HELPERS_H */