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[thirdparty/u-boot.git] / include / uuid.h
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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 */
10struct 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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19enum {
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
35int uuid_str_valid(const char *uuid);
36int uuid_str_to_bin(char *uuid_str, unsigned char *uuid_bin, int str_format);
37void uuid_bin_to_str(unsigned char *uuid_bin, char *uuid_str, int str_format);
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38#ifdef CONFIG_PARTITION_TYPE_GUID
39int uuid_guid_get_bin(const char *guid_str, unsigned char *guid_bin);
40int uuid_guid_get_str(unsigned char *guid_bin, char *guid_str);
41#endif
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42void gen_rand_uuid(unsigned char *uuid_bin);
43void gen_rand_uuid_str(char *uuid_str, int str_format);
d718ded0 44#endif