u-boot/include/uuid.h
Simon Glass 2c2ca207e4 uuid: Use const char * where possible
Update the arguments of these functions so they can be called from code
which uses constant strings.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-04-24 16:40:09 -04:00

48 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2014 Samsung Electronics
* Przemyslaw Marczak <p.marczak@samsung.com>
*/
#ifndef __UUID_H__
#define __UUID_H__
#include <linux/bitops.h>
/* This is structure is in big-endian */
struct uuid {
unsigned int time_low;
unsigned short time_mid;
unsigned short time_hi_and_version;
unsigned char clock_seq_hi_and_reserved;
unsigned char clock_seq_low;
unsigned char node[6];
} __packed;
/* Bits of a bitmask specifying the output format for GUIDs */
#define UUID_STR_FORMAT_STD 0
#define UUID_STR_FORMAT_GUID BIT(0)
#define UUID_STR_UPPER_CASE BIT(1)
#define UUID_STR_LEN 36
#define UUID_BIN_LEN sizeof(struct uuid)
#define UUID_VERSION_MASK 0xf000
#define UUID_VERSION_SHIFT 12
#define UUID_VERSION 0x4
#define UUID_VARIANT_MASK 0xc0
#define UUID_VARIANT_SHIFT 7
#define UUID_VARIANT 0x1
int uuid_str_valid(const char *uuid);
int uuid_str_to_bin(const char *uuid_str, unsigned char *uuid_bin,
int str_format);
void uuid_bin_to_str(const unsigned char *uuid_bin, char *uuid_str,
int str_format);
#ifdef CONFIG_PARTITION_TYPE_GUID
int uuid_guid_get_bin(const char *guid_str, unsigned char *guid_bin);
int uuid_guid_get_str(const unsigned char *guid_bin, char *guid_str);
#endif
void gen_rand_uuid(unsigned char *uuid_bin);
void gen_rand_uuid_str(char *uuid_str, int str_format);
#endif