third_party/NordicSemiconductor/libraries/nrf_cc310/include/ssi_pal_dma_defs.h

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/*!
@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