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83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
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2 | /* |
3 | * Copyright (C) 2014 Samsung Electronics | |
4 | * Przemyslaw Marczak <p.marczak@samsung.com> | |
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5 | */ |
6 | #ifndef __UUID_H__ | |
7 | #define __UUID_H__ | |
8 | ||
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9 | /* This is structure is in big-endian */ |
10 | struct uuid { | |
11 | unsigned int time_low; | |
12 | unsigned short time_mid; | |
13 | unsigned short time_hi_and_version; | |
14 | unsigned char clock_seq_hi_and_reserved; | |
15 | unsigned char clock_seq_low; | |
16 | unsigned char node[6]; | |
17 | } __packed; | |
18 | ||
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19 | enum { |
20 | UUID_STR_FORMAT_STD, | |
21 | UUID_STR_FORMAT_GUID | |
22 | }; | |
23 | ||
24 | #define UUID_STR_LEN 36 | |
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25 | #define UUID_BIN_LEN sizeof(struct uuid) |
26 | ||
27 | #define UUID_VERSION_MASK 0xf000 | |
28 | #define UUID_VERSION_SHIFT 12 | |
29 | #define UUID_VERSION 0x4 | |
30 | ||
31 | #define UUID_VARIANT_MASK 0xc0 | |
32 | #define UUID_VARIANT_SHIFT 7 | |
33 | #define UUID_VARIANT 0x1 | |
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34 | |
35 | int uuid_str_valid(const char *uuid); | |
36 | int uuid_str_to_bin(char *uuid_str, unsigned char *uuid_bin, int str_format); | |
37 | void uuid_bin_to_str(unsigned char *uuid_bin, char *uuid_str, int str_format); | |
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38 | #ifdef CONFIG_PARTITION_TYPE_GUID |
39 | int uuid_guid_get_bin(const char *guid_str, unsigned char *guid_bin); | |
40 | int uuid_guid_get_str(unsigned char *guid_bin, char *guid_str); | |
41 | #endif | |
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42 | void gen_rand_uuid(unsigned char *uuid_bin); |
43 | void gen_rand_uuid_str(char *uuid_str, int str_format); | |
d718ded0 | 44 | #endif |