1 /* 2 * UUID/GUID definition 3 * 4 * Copyright (C) 2010, Intel Corp. 5 * Huang Ying <ying.huang@intel.com> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License version 9 * 2 as published by the Free Software Foundation; 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 */ 16 17 #ifndef _UAPI_LINUX_UUID_H_ 18 #define _UAPI_LINUX_UUID_H_ 19 20 #include <linux/types.h> 21 #include <linux/string.h> 22 23 typedef struct { 24 __u8 b[16]; 25 } uuid_le; 26 27 typedef struct { 28 __u8 b[16]; 29 } uuid_be; 30 31 #define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ 32 ((uuid_le) \ 33 {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ 34 (b) & 0xff, ((b) >> 8) & 0xff, \ 35 (c) & 0xff, ((c) >> 8) & 0xff, \ 36 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) 37 38 #define UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ 39 ((uuid_be) \ 40 {{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \ 41 ((b) >> 8) & 0xff, (b) & 0xff, \ 42 ((c) >> 8) & 0xff, (c) & 0xff, \ 43 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}) 44 45 #define NULL_UUID_LE \ 46 UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ 47 0x00, 0x00, 0x00, 0x00) 48 49 #define NULL_UUID_BE \ 50 UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \ 51 0x00, 0x00, 0x00, 0x00) 52 53 54 #endif /* _UAPI_LINUX_UUID_H_ */ 55