1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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. |
16 | */ |
17 | |
18 | #ifndef _LINUX_UUID_H_ |
19 | #define _LINUX_UUID_H_ |
20 | |
21 | #include <linux/types.h> |
22 | |
23 | typedef struct { |
24 | __u8 b[16]; |
25 | } guid_t; |
26 | |
27 | #define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ |
28 | ((guid_t) \ |
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 | |
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) |
38 | #define NULL_UUID_LE \ |
39 | UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ |
40 | 0x00, 0x00, 0x00, 0x00) |
41 | |
42 | #endif /* _LINUX_UUID_H_ */ |
43 | |