[mirror_qemu.git] / util / block-helpers.h

#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 */
Commit	Line	Data
5937835a CX	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
	16	void check_block_size(const char id, const char name, int64_t value,
	17	Error **errp);
	18
	19	#endif /* BLOCK_HELPERS_H */