third_party/NordicSemiconductor/libraries/crypto/cc310_mbedtls.h

/*
 *  Copyright (c) 2018, The OpenThread Authors.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef DISABLE_CC310

#undef PACKAGE

#include "nrf.h"

/** @brief Enable CC310 hardware. */
void cc310_enable(void);

/** @brief Disable CC310 hardware. */
void cc310_disable(void);

/** @brief Wrapper for CC310 operations which ignores result.
 *
 *  This macro enables CC310 hardware before operation and disables it after operation.
 *  Result of the CC310 operation is ignored.
 *
 *  @param[in] operation CC310 operation to execute.
 */
#define CC310_OPERATION_NO_RESULT(operation)    \
    do                                          \
    {                                           \
        cc310_enable();                         \
        (void)operation;                        \
        cc310_disable();                        \
    } while (0)

/** @brief Wrapper for CC310 operations.
 *
 *  This macro enables CC310 hardware before operation and disables it after operation.
 *  Result of the CC310 operation is returned through a variable passed to the macro.
 *
 *  @param[in]  operation CC310 operation to execute.
 *  @param[out] result    Variable to store result of the operation.
 */
#define CC310_OPERATION(operation, result)      \
    do                                          \
    {                                           \
        cc310_enable();                         \
        result = operation;                     \
        cc310_disable();                        \
    } while (0)

#endif // DISABLE_CC310