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