| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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| 2 | /* |
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| 3 | * UUID/GUID definition |
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| 4 | * |
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| 5 | * Copyright (C) 2010, Intel Corp. |
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| 6 | * Huang Ying <ying.huang@intel.com> |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU General Public License version |
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| 10 | * 2 as published by the Free Software Foundation; |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | */ |
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| 17 | |
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| 18 | #ifndef _LINUX_UUID_H_ |
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| 19 | #define _LINUX_UUID_H_ |
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| 20 | |
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| 21 | #include <linux/types.h> |
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| 22 | |
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| 23 | typedef struct { |
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| 24 | __u8 b[16]; |
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| 25 | } guid_t; |
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| 26 | |
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| 27 | #define GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ |
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| 28 | ((guid_t) \ |
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| 29 | {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ |
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| 30 | (b) & 0xff, ((b) >> 8) & 0xff, \ |
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| 31 | (c) & 0xff, ((c) >> 8) & 0xff, \ |
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| 32 | (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) |
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| 33 | |
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| 34 | /* backwards compatibility, don't use in new code */ |
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| 35 | typedef guid_t uuid_le; |
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| 36 | #define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ |
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| 37 | GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) |
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| 38 | #define NULL_UUID_LE \ |
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| 39 | UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ |
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| 40 | 0x00, 0x00, 0x00, 0x00) |
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| 41 | |
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| 42 | #endif /* _LINUX_UUID_H_ */ |
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| 43 | |
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