[mirror_ubuntu-hirsute-kernel.git] / include / uapi / linux / uuid.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * UUID/GUID definition
 *
 * Copyright (C) 2010, Intel Corp.
 *	Huang Ying <ying.huang@intel.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef _UAPI_LINUX_UUID_H_
#define _UAPI_LINUX_UUID_H_

#include <linux/types.h>

typedef struct {
	__u8 b[16];
} guid_t;

#define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)			\
((guid_t)								\
{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
   (b) & 0xff, ((b) >> 8) & 0xff,					\
   (c) & 0xff, ((c) >> 8) & 0xff,					\
   (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})

/* backwards compatibility, don't use in new code */
typedef guid_t uuid_le;
#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)		\
	GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)
#define NULL_UUID_LE							\
	UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00,	\
	     0x00, 0x00, 0x00, 0x00)

#endif /* _UAPI_LINUX_UUID_H_ */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
607ca46e DH	2	/*
	3	* UUID/GUID definition
	4	*
	5	* Copyright (C) 2010, Intel Corp.
	6	* Huang Ying <ying.huang@intel.com>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License version
	10	* 2 as published by the Free Software Foundation;
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
607ca46e DH	16	*/
	17
	18	#ifndef _UAPI_LINUX_UUID_H_
	19	#define _UAPI_LINUX_UUID_H_
	20
	21	#include <linux/types.h>
607ca46e DH	22
	23	typedef struct {
	24	__u8 b[16];
f9727a17	25	} guid_t;
607ca46e	26
f9727a17 CH	27	#define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
f9727a17 CH	28	((guid_t) \
607ca46e DH	29	{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
	30	(b) & 0xff, ((b) >> 8) & 0xff, \
	31	(c) & 0xff, ((c) >> 8) & 0xff, \
	32	(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
	33
f9727a17 CH	34	/* backwards compatibility, don't use in new code */
	35	typedef guid_t uuid_le;
	36	#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
	37	GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)
607ca46e DH	38	#define NULL_UUID_LE \
607ca46e DH	39	UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
f9727a17	40	0x00, 0x00, 0x00, 0x00)
607ca46e	41
607ca46e	42	#endif /* _UAPI_LINUX_UUID_H_ */