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 _UAPI_LINUX_UUID_H_ 19 #define _UAPI_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 /* _UAPI_LINUX_UUID_H_ */ 43