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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> | |
22 | #include <linux/string.h> | |
23 | ||
24 | typedef struct { | |
25 | __u8 b[16]; | |
f9727a17 | 26 | } guid_t; |
607ca46e | 27 | |
f9727a17 CH |
28 | #define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ |
29 | ((guid_t) \ | |
607ca46e DH |
30 | {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ |
31 | (b) & 0xff, ((b) >> 8) & 0xff, \ | |
32 | (c) & 0xff, ((c) >> 8) & 0xff, \ | |
33 | (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) | |
34 | ||
f9727a17 CH |
35 | /* backwards compatibility, don't use in new code */ |
36 | typedef guid_t uuid_le; | |
37 | #define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ | |
38 | GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) | |
607ca46e DH |
39 | #define NULL_UUID_LE \ |
40 | UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ | |
f9727a17 | 41 | 0x00, 0x00, 0x00, 0x00) |
607ca46e | 42 | |
607ca46e | 43 | #endif /* _UAPI_LINUX_UUID_H_ */ |