Merge branch 'master' of git://git.denx.de/u-boot-spi
[platform/kernel/u-boot.git] / include / uuid.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2014 Samsung Electronics
4  * Przemyslaw Marczak <p.marczak@samsung.com>
5  */
6 #ifndef __UUID_H__
7 #define __UUID_H__
8
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
19 enum {
20         UUID_STR_FORMAT_STD,
21         UUID_STR_FORMAT_GUID
22 };
23
24 #define UUID_STR_LEN            36
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
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);
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
42 void gen_rand_uuid(unsigned char *uuid_bin);
43 void gen_rand_uuid_str(char *uuid_str, int str_format);
44 #endif