| 1 | /* |
| 2 | * UUID/GUID definition |
| 3 | * |
| 4 | * Copyright (C) 2010, 2016 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 | #ifndef _LINUX_UUID_H_ |
| 17 | #define _LINUX_UUID_H_ |
| 18 | |
| 19 | #include <uapi/linux/uuid.h> |
| 20 | |
| 21 | /* |
| 22 | * The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee") |
| 23 | * not including trailing NUL. |
| 24 | */ |
| 25 | #define UUID_STRING_LEN 36 |
| 26 | |
| 27 | static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2) |
| 28 | { |
| 29 | return memcmp(&u1, &u2, sizeof(uuid_le)); |
| 30 | } |
| 31 | |
| 32 | static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2) |
| 33 | { |
| 34 | return memcmp(&u1, &u2, sizeof(uuid_be)); |
| 35 | } |
| 36 | |
| 37 | void generate_random_uuid(unsigned char uuid[16]); |
| 38 | |
| 39 | extern void uuid_le_gen(uuid_le *u); |
| 40 | extern void uuid_be_gen(uuid_be *u); |
| 41 | |
| 42 | bool __must_check uuid_is_valid(const char *uuid); |
| 43 | |
| 44 | extern const u8 uuid_le_index[16]; |
| 45 | extern const u8 uuid_be_index[16]; |
| 46 | |
| 47 | int uuid_le_to_bin(const char *uuid, uuid_le *u); |
| 48 | int uuid_be_to_bin(const char *uuid, uuid_be *u); |
| 49 | |
| 50 | #endif |