// SPDX-License-Identifier: MIT
/*
 * Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

/**
 * @file utils.h
 * @brief Common utility functions
 */
#ifndef UTILS_H
#define UTILS_H

#include <stdint.h>

/**
 * @brief Convert a 64-bit value from little endian to big endian
 * @param[in] value Value to convert
 * @return Converted value in big endian
 */
static inline uint64_t le64_to_be64(uint64_t value) {
    return ((value & 0xFF00000000000000ULL) >> 56) |
           ((value & 0x00FF000000000000ULL) >> 40) |
           ((value & 0x0000FF0000000000ULL) >> 24) |
           ((value & 0x000000FF00000000ULL) >> 8)  |
           ((value & 0x00000000FF000000ULL) << 8)  |
           ((value & 0x0000000000FF0000ULL) << 24) |
           ((value & 0x000000000000FF00ULL) << 40) |
           ((value & 0x00000000000000FFULL) << 56);
}

/**
 * @brief Convert an array of 64-bit values from little endian to big endian
 * @param[in,out] array Array to convert
 * @param[in] len Length of the array
 */
static inline void convert_array_le_to_be(uint64_t *array, size_t len) {
    for (size_t i = 0; i < len; i++) {
        array[i] = le64_to_be64(array[i]);
    }
}

#endif /* UTILS_H */