/*
 * Copyright 2018 The Chromium OS Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#ifndef _UUID_H_
#define _UUID_H_

#include "newblue-macros.h"
#include "types.h"

#define BT_UUID_BASE_LO               0x800000805F9B34FBULL
#define BT_UUID_BASE_HI               0x0000000000001000ULL
#define BT_UUID_STATIC(uuid16or32)    {BT_UUID_BASE_LO, BT_UUID_BASE_HI + (((uint64_t)(uuid16or32)) << 32)}
#define BT_UUID_STATIC_16(uuid16)     BT_UUID_STATIC(uuid16)
#define BT_UUID_STATIC_32(uuid32)     BT_UUID_STATIC(uuid32)
#define BT_UUID_BASE                  BT_UUID_STATIC(0)

#define UUIDFMT      "{%08lx-%04x-%04x-%04x-%04x%08lx}"
#define UUIDCONV(u)  (unsigned long)(((u).hi) >> 32),(unsigned)((((u).hi) >> 16) & 0xFFFF),(unsigned)(((u).hi) & 0xFFFF),\
                     (unsigned)(((u).lo) >> 48),(unsigned)((((u).lo) >> 32) & 0xFFFF),(unsigned long)(((u).lo) & 0xFFFFFFFF)


#define SIZEOF_UUID_16                2
#define SIZEOF_UUID_32                4


struct uuid {
    uint64_t lo;
    uint64_t hi;
} __packed;


void uuidFromUuid16(struct uuid *dst, uint16_t uuid16) NEWBLUE_EXPORT;
bool uuidToUuid16(uint16_t *dst, const struct uuid *uuid128) NEWBLUE_EXPORT;
void uuidFromUuid32(struct uuid *dst, uint32_t uuid32) NEWBLUE_EXPORT;
bool uuidToUuid32(uint32_t *dst, const struct uuid *uuid128) NEWBLUE_EXPORT;
bool uuidCmp(const struct uuid *a, const struct uuid *b) NEWBLUE_EXPORT;
void uuidWriteLE(void *dst, const struct uuid *src) NEWBLUE_EXPORT;
void uuidReadLE(struct uuid *dst, const void *src) NEWBLUE_EXPORT;
void uuidWriteBE(void *dst, const struct uuid *src) NEWBLUE_EXPORT;
void uuidReadBE(struct uuid *dst, const void *src) NEWBLUE_EXPORT;
bool uuidIsZero(const struct uuid *uuid) NEWBLUE_EXPORT;
void uuidZero(struct uuid *dst) NEWBLUE_EXPORT;


#endif