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xiaozhengsheng
2025-08-19 09:49:41 +08:00
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external/nrf_cc310/include/ssi_pal_dma_defs.h vendored Normal file
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/**************************************************************************************
* Copyright (c) 2016-2017, ARM Limited or its affiliates. All rights reserved *
* *
* This file and the related binary are licensed under the following license: *
* *
* ARM Object Code and Header Files License, v1.0 Redistribution. *
* *
* Redistribution and use of object code, header files, and documentation, without *
* modification, are permitted provided that the following conditions are met: *
* *
* 1) Redistributions must reproduce the above copyright notice and the *
* following disclaimer in the documentation and/or other materials *
* provided with the distribution. *
* *
* 2) Unless to the extent explicitly permitted by law, no reverse *
* engineering, decompilation, or disassembly of is permitted. *
* *
* 3) Redistribution and use is permitted solely for the purpose of *
* developing or executing applications that are targeted for use *
* on an ARM-based product. *
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* DISCLAIMER. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
* CONTRIBUTORS "AS IS." ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT *
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT, *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************************/
/*!
@file
@brief This file contains the platform dependent DMA definitions.
@defgroup ssi_pal_dma_defs CryptoCell PAL DMA specific definitions
@{
@ingroup ssi_pal
*/
#ifndef _SSI_PAL_DMA_DEFS_H
#define _SSI_PAL_DMA_DEFS_H
#ifdef __cplusplus
extern "C"
{
#endif
/*! Definition for DMA buffer handle.*/
typedef void * SaSi_PalDmaBufferHandle;
/*! DMA directions configuration */
typedef enum {
SASI_PAL_DMA_DIR_NONE = 0, /*!< No direction. */
SASI_PAL_DMA_DIR_TO_DEVICE = 1, /*!< The original buffer is the input to the operation, and should be copied/mapped to a temp buffer,
prior to activating the HW on the temp buffer. */
SASI_PAL_DMA_DIR_FROM_DEVICE = 2, /*!< The temp buffer holds the output of the HW, and this API should copy/map it to the original output buffer.*/
SASI_PAL_DMA_DIR_BI_DIRECTION = 3, /*!< Used when the result is written over the original data at the same address. should be treated as 1 & 2.*/
SASI_PAL_DMA_DIR_MAX, /*!< Maximal DMA directions options. */
SASI_PAL_DMA_DIR_RESERVE32 = 0x7FFFFFFF /*!< Reserved.*/
}SaSi_PalDmaBufferDirection_t;
#ifdef __cplusplus
}
#endif
/**
@}
*/
#endif