/*
   * Copyright (C) 2014 Samsung Electronics
   * Przemyslaw Marczak <p.marczak@samsung.com>
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  #ifndef __UUID_H__
  #define __UUID_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;
  
  enum {
  	UUID_STR_FORMAT_STD,
  	UUID_STR_FORMAT_GUID
  };
  
  #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(char *uuid_str, unsigned char *uuid_bin, int str_format);
  void uuid_bin_to_str(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(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