1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /* DO NOT USE in new code! This is solely for MEI due to legacy reasons */
3 /*
4  * UUID/GUID definition
5  *
6  * Copyright (C) 2010, Intel Corp.
7  *	Huang Ying <ying.huang@intel.com>
8  */
9 
10 #ifndef _UAPI_LINUX_UUID_H_
11 #define _UAPI_LINUX_UUID_H_
12 
13 #include <linux/types.h>
14 
15 typedef struct {
16 	__u8 b[16];
17 } guid_t;
18 
19 #define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)			\
20 ((guid_t)								\
21 {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
22    (b) & 0xff, ((b) >> 8) & 0xff,					\
23    (c) & 0xff, ((c) >> 8) & 0xff,					\
24    (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
25 
26 /* backwards compatibility, don't use in new code */
27 typedef guid_t uuid_le;
28 #define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)		\
29 	GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)
30 #define NULL_UUID_LE							\
31 	UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00,	\
32 	     0x00, 0x00, 0x00, 0x00)
33 
34 #endif /* _UAPI_LINUX_UUID_H_ */
35