Huang Ying | fab1c23 | 2010-05-18 14:35:18 +0800 | [diff] [blame] | 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 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
Huang Ying | fab1c23 | 2010-05-18 14:35:18 +0800 | [diff] [blame] | 20 | #ifndef _LINUX_UUID_H_ |
| 21 | #define _LINUX_UUID_H_ |
| 22 | |
David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 23 | #include <uapi/linux/uuid.h> |
Huang Ying | fab1c23 | 2010-05-18 14:35:18 +0800 | [diff] [blame] | 24 | |
Andy Shevchenko | 2b1b0d6 | 2016-05-20 17:01:04 -0700 | [diff] [blame^] | 25 | /* |
| 26 | * The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee") |
| 27 | * not including trailing NUL. |
| 28 | */ |
| 29 | #define UUID_STRING_LEN 36 |
Tomas Winkler | b544f3f | 2012-05-09 16:38:58 +0300 | [diff] [blame] | 30 | |
Huang Ying | fab1c23 | 2010-05-18 14:35:18 +0800 | [diff] [blame] | 31 | static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2) |
| 32 | { |
| 33 | return memcmp(&u1, &u2, sizeof(uuid_le)); |
| 34 | } |
| 35 | |
| 36 | static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2) |
| 37 | { |
| 38 | return memcmp(&u1, &u2, sizeof(uuid_be)); |
| 39 | } |
| 40 | |
Andy Shevchenko | 8da4b8c | 2016-05-20 17:01:00 -0700 | [diff] [blame] | 41 | void generate_random_uuid(unsigned char uuid[16]); |
| 42 | |
Huang Ying | fab1c23 | 2010-05-18 14:35:18 +0800 | [diff] [blame] | 43 | extern void uuid_le_gen(uuid_le *u); |
| 44 | extern void uuid_be_gen(uuid_be *u); |
| 45 | |
Andy Shevchenko | 2b1b0d6 | 2016-05-20 17:01:04 -0700 | [diff] [blame^] | 46 | bool __must_check uuid_is_valid(const char *uuid); |
| 47 | |
| 48 | extern const u8 uuid_le_index[16]; |
| 49 | extern const u8 uuid_be_index[16]; |
| 50 | |
| 51 | int uuid_le_to_bin(const char *uuid, uuid_le *u); |
| 52 | int uuid_be_to_bin(const char *uuid, uuid_be *u); |
| 53 | |
Huang Ying | fab1c23 | 2010-05-18 14:35:18 +0800 | [diff] [blame] | 54 | #endif |