1 /* 2 * Copyright (c) 2017-2023, Texas Instruments Incorporated 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of Texas Instruments Incorporated nor the names of 17 * its contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 /** ============================================================================ 33 * @file CryptoResourceLPF3.h 34 * 35 * @brief Shared resources to arbitrate access to the AES engine 36 * 37 */ 38 39 #ifndef ti_drivers_cryptoutils_sharedresources_CryptoResourceLPF3__include 40 #define ti_drivers_cryptoutils_sharedresources_CryptoResourceLPF3__include 41 42 #include <stdint.h> 43 #include <stdbool.h> 44 45 #include <ti/drivers/dpl/SemaphoreP.h> 46 #include <ti/drivers/dpl/HwiP.h> 47 48 #ifdef __cplusplus 49 extern "C" { 50 #endif 51 52 /* Crypto driver semaphore used to synchronize accesses to the AES engine */ 53 extern SemaphoreP_Struct CryptoResourceLPF3_accessSemaphore; 54 extern SemaphoreP_Struct CryptoResourceLPF3_operationSemaphore; 55 56 extern volatile bool CryptoResourceLPF3_pollingFlag; 57 58 extern HwiP_Struct CryptoResourceLPF3_hwi; 59 60 void CryptoResourceLPF3_constructRTOSObjects(void); 61 void CryptoResourceLPF3_destructRTOSObjects(void); 62 bool CryptoResourceLPF3_acquireLock(uint32_t timeout); 63 void CryptoResourceLPF3_releaseLock(void); 64 65 #ifdef __cplusplus 66 } 67 #endif 68 69 #endif /* ti_drivers_cryptoutils_sharedresources_CryptoResourceLPF3__include */ 70