nvscibuf.h

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/*
 * Header file for NvSciBuf APIs
 *
 * Copyright (c) 2018-2020, NVIDIA CORPORATION. All rights reserved.
 *
 * NVIDIA Corporation and its licensors retain all intellectual property
 * and proprietary rights in and to this software, related documentation
 * and any modifications thereto.  Any use, reproduction, disclosure or
 * distribution of this software and related documentation without an express
 * license agreement from NVIDIA Corporation is strictly prohibited.
 */
#ifndef INCLUDED_NVSCIBUF_H
#define INCLUDED_NVSCIBUF_H
 
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
#include "nvscierror.h"
#include <nvsciipc.h>
 
#if defined(__cplusplus)
extern "C"
{
#endif
 
typedef enum {
    NvSciBufType_General = 0U,
    NvSciBufType_RawBuffer = 1U,
    NvSciBufType_Image = 2U,
    NvSciBufType_Tensor = 3U,
#if (NV_IS_SAFETY == 0)
    NvSciBufType_Array = 4U,
    NvSciBufType_Pyramid = 5U,
#endif
    NvSciBufType_MaxValid = 6U,
    NvSciBufType_UpperBound = 6U,
} NvSciBufType;
 
static const uint32_t NvSciBufMajorVersion = 2U;
 
static const uint32_t NvSciBufMinorVersion = 0U;
 
#if defined(__cplusplus)
 
static const int NV_SCI_BUF_TENSOR_MAX_DIMS = 8;
 
static const int NV_SCI_BUF_IMAGE_MAX_PLANES = 3;
 
#if (NV_IS_SAFETY == 0)
 
static const int NV_SCI_BUF_PYRAMID_MAX_LEVELS = 10;
#endif
 
static const int NVSCIBUF_EXPORT_DESC_SIZE = 32;
 
static const int NV_SCI_BUF_ATTRKEY_BIT_COUNT = 16;
 
static const int NV_SCI_BUF_DATATYPE_BIT_COUNT = 10;
 
static const int NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC = 0;
 
/*
 * @brief Global constant to specify the start-bit of attribute Keytype.
 */
static const int NV_SCI_BUF_KEYTYPE_BIT_START =
        (NV_SCI_BUF_DATATYPE_BIT_COUNT + NV_SCI_BUF_ATTRKEY_BIT_COUNT);
 
static const int NV_SCI_BUF_GENERAL_ATTR_KEY_START =
           (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) |
           (NvSciBufType_General << NV_SCI_BUF_ATTRKEY_BIT_COUNT);
 
static const int NV_SCI_BUF_RAW_BUF_ATTR_KEY_START =
           (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) |
           (NvSciBufType_RawBuffer << NV_SCI_BUF_ATTRKEY_BIT_COUNT);
 
static const int NV_SCI_BUF_IMAGE_ATTR_KEY_START =
           (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) |
           (NvSciBufType_Image << NV_SCI_BUF_ATTRKEY_BIT_COUNT);
 
#if (NV_IS_SAFETY == 0)
 
static const int NV_SCI_BUF_PYRAMID_ATTR_KEY_START =
           (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) |
           (NvSciBufType_Pyramid << NV_SCI_BUF_ATTRKEY_BIT_COUNT);
 
static const int NV_SCI_BUF_ARRAY_ATTR_KEY_START =
           (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) |
           (NvSciBufType_Array << NV_SCI_BUF_ATTRKEY_BIT_COUNT);
#endif
 
static const int NV_SCI_BUF_TENSOR_ATTR_KEY_START =
           (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) |
           (NvSciBufType_Tensor << NV_SCI_BUF_ATTRKEY_BIT_COUNT);
 
#else
 
#define NV_SCI_BUF_TENSOR_MAX_DIMS  8u
 
#define NV_SCI_BUF_IMAGE_MAX_PLANES 3u
 
#if (NV_IS_SAFETY == 0)
 
#define NV_SCI_BUF_PYRAMID_MAX_LEVELS 10u
#endif
 
#define NVSCIBUF_EXPORT_DESC_SIZE   32u
 
#define NV_SCI_BUF_ATTRKEY_BIT_COUNT  16u
 
#define NV_SCI_BUF_DATATYPE_BIT_COUNT  10u
 
#define NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC 0u
 
#define NV_SCI_BUF_KEYTYPE_BIT_START \
        (NV_SCI_BUF_DATATYPE_BIT_COUNT + NV_SCI_BUF_ATTRKEY_BIT_COUNT)
 
#define NV_SCI_BUF_GENERAL_ATTR_KEY_START \
        (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) | \
        (NvSciBufType_General << NV_SCI_BUF_ATTRKEY_BIT_COUNT)
 
#define NV_SCI_BUF_RAW_BUF_ATTR_KEY_START \
          (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) | \
          (NvSciBufType_RawBuffer << NV_SCI_BUF_ATTRKEY_BIT_COUNT)
 
#define NV_SCI_BUF_IMAGE_ATTR_KEY_START \
          (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) | \
          (NvSciBufType_Image << NV_SCI_BUF_ATTRKEY_BIT_COUNT)
 
#if (NV_IS_SAFETY == 0)
 
#define NV_SCI_BUF_PYRAMID_ATTR_KEY_START \
          (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) | \
          (NvSciBufType_Pyramid << NV_SCI_BUF_ATTRKEY_BIT_COUNT)
 
#define NV_SCI_BUF_ARRAY_ATTR_KEY_START \
          (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) | \
          (NvSciBufType_Array << NV_SCI_BUF_ATTRKEY_BIT_COUNT)
#endif
 
#define NV_SCI_BUF_TENSOR_ATTR_KEY_START \
          (NV_SCI_BUF_ATTR_KEY_TYPE_PUBLIC << NV_SCI_BUF_KEYTYPE_BIT_START) | \
          (NvSciBufType_Tensor << NV_SCI_BUF_ATTRKEY_BIT_COUNT)
 
#endif
 
typedef enum {
    NvSciBufAttrKey_LowerBound =         NV_SCI_BUF_GENERAL_ATTR_KEY_START,
 
    NvSciBufGeneralAttrKey_Types,
 
    NvSciBufGeneralAttrKey_NeedCpuAccess,
 
    NvSciBufGeneralAttrKey_RequiredPerm,
 
    NvSciBufGeneralAttrKey_EnableCpuCache,
 
    NvSciBufGeneralAttrKey_GpuId,
 
    NvSciBufGeneralAttrKey_CpuNeedSwCacheCoherency,
 
    NvSciBufGeneralAttrKey_ActualPerm,
 
    NvSciBufGeneralAttrKey_VidMem_GpuId,
 
    NvSciBufRawBufferAttrKey_Size   =  NV_SCI_BUF_RAW_BUF_ATTR_KEY_START,
 
    NvSciBufRawBufferAttrKey_Align,
 
    NvSciBufImageAttrKey_Layout   =    NV_SCI_BUF_IMAGE_ATTR_KEY_START,
 
    NvSciBufImageAttrKey_TopPadding,
 
    NvSciBufImageAttrKey_BottomPadding,
 
    NvSciBufImageAttrKey_LeftPadding,
 
    NvSciBufImageAttrKey_RightPadding,
 
    NvSciBufImageAttrKey_VprFlag,
 
    NvSciBufImageAttrKey_Size,
 
    NvSciBufImageAttrKey_Alignment,
 
    NvSciBufImageAttrKey_PlaneCount,
 
    NvSciBufImageAttrKey_PlaneColorFormat,
 
    NvSciBufImageAttrKey_PlaneColorStd,
 
    NvSciBufImageAttrKey_PlaneBaseAddrAlign,
 
    NvSciBufImageAttrKey_PlaneWidth,
 
    NvSciBufImageAttrKey_PlaneHeight,
 
    NvSciBufImageAttrKey_PlaneScanType,
    NvSciBufImageAttrKey_ScanType = NvSciBufImageAttrKey_PlaneScanType,
 
    NvSciBufImageAttrKey_PlaneBitsPerPixel,
 
    NvSciBufImageAttrKey_PlaneOffset,
 
    NvSciBufImageAttrKey_PlaneDatatype,
 
    NvSciBufImageAttrKey_PlaneChannelCount,
 
    NvSciBufImageAttrKey_PlaneSecondFieldOffset,
 
    NvSciBufImageAttrKey_PlanePitch,
 
    NvSciBufImageAttrKey_PlaneAlignedHeight,
 
    NvSciBufImageAttrKey_PlaneAlignedSize,
 
    NvSciBufImageAttrKey_ImageCount,
 
    NvSciBufTensorAttrKey_DataType  =  NV_SCI_BUF_TENSOR_ATTR_KEY_START,
 
    NvSciBufTensorAttrKey_NumDims,
 
    NvSciBufTensorAttrKey_SizePerDim,
 
    NvSciBufTensorAttrKey_AlignmentPerDim,
 
    NvSciBufTensorAttrKey_StridesPerDim,
 
    NvSciBufTensorAttrKey_PixelFormat,
 
    NvSciBufTensorAttrKey_BaseAddrAlign,
 
    NvSciBufTensorAttrKey_Size,
 
#if (NV_IS_SAFETY == 0)
 
    NvSciBufArrayAttrKey_DataType   =  NV_SCI_BUF_ARRAY_ATTR_KEY_START,
 
    NvSciBufArrayAttrKey_Stride,
 
    NvSciBufArrayAttrKey_Capacity,
 
    NvSciBufArrayAttrKey_Size,
 
    NvSciBufArrayAttrKey_Alignment,
 
    NvSciBufPyramidAttrKey_NumLevels  =  NV_SCI_BUF_PYRAMID_ATTR_KEY_START,
 
    NvSciBufPyramidAttrKey_Scale,
 
    NvSciBufPyramidAttrKey_LevelOffset,
 
    NvSciBufPyramidAttrKey_LevelSize,
 
    NvSciBufPyramidAttrKey_Alignment,
#endif
 
    NvSciBufAttrKey_UpperBound = 0x3ffffffU,
 
} NvSciBufAttrKey;
 
typedef enum {
    NvSciBufAccessPerm_Readonly = 1,
    NvSciBufAccessPerm_ReadWrite = 3,
    NvSciBufAccessPerm_Auto,
    NvSciBufAccessPerm_Invalid,
} NvSciBufAttrValAccessPerm;
 
typedef enum {
    NvSciBufImage_BlockLinearType,
    NvSciBufImage_PitchLinearType,
} NvSciBufAttrValImageLayoutType;
 
typedef enum {
    NvSciBufScan_ProgressiveType,
    NvSciBufScan_InterlaceType,
} NvSciBufAttrValImageScanType;
 
typedef enum {
    NvSciColor_LowerBound,
    /* RAW PACKED */
    NvSciColor_Bayer8RGGB,
    NvSciColor_Bayer8CCCC,
    NvSciColor_Bayer8BGGR,
    NvSciColor_Bayer8GBRG,
    NvSciColor_Bayer8GRBG,
    NvSciColor_Bayer16BGGR,
    NvSciColor_Bayer16CCCC,
    NvSciColor_Bayer16GBRG,
    NvSciColor_Bayer16GRBG,
    NvSciColor_Bayer16RGGB,
    NvSciColor_Bayer16RCCB,
    NvSciColor_Bayer16BCCR,
    NvSciColor_Bayer16CRBC,
    NvSciColor_Bayer16CBRC,
    NvSciColor_Bayer16RCCC,
    NvSciColor_Bayer16CCCR,
    NvSciColor_Bayer16CRCC,
    NvSciColor_Bayer16CCRC,
    NvSciColor_X2Bayer14GBRG,
    NvSciColor_X4Bayer12GBRG,
    NvSciColor_X6Bayer10GBRG,
    NvSciColor_X2Bayer14GRBG,
    NvSciColor_X4Bayer12GRBG,
    NvSciColor_X6Bayer10GRBG,
    NvSciColor_X2Bayer14BGGR,
    NvSciColor_X4Bayer12BGGR,
    NvSciColor_X6Bayer10BGGR,
    NvSciColor_X2Bayer14RGGB,
    NvSciColor_X4Bayer12RGGB,
    NvSciColor_X6Bayer10RGGB,
    NvSciColor_X2Bayer14CCCC,
    NvSciColor_X4Bayer12CCCC,
    NvSciColor_X6Bayer10CCCC,
    NvSciColor_X4Bayer12RCCB,
    NvSciColor_X4Bayer12BCCR,
    NvSciColor_X4Bayer12CRBC,
    NvSciColor_X4Bayer12CBRC,
    NvSciColor_X4Bayer12RCCC,
    NvSciColor_X4Bayer12CCCR,
    NvSciColor_X4Bayer12CRCC,
    NvSciColor_X4Bayer12CCRC,
    NvSciColor_Signed_X2Bayer14CCCC,
    NvSciColor_Signed_X4Bayer12CCCC,
    NvSciColor_Signed_X6Bayer10CCCC,
    NvSciColor_Signed_Bayer16CCCC,
    NvSciColor_FloatISP_Bayer16CCCC,
    NvSciColor_FloatISP_Bayer16RGGB,
    NvSciColor_FloatISP_Bayer16BGGR,
    NvSciColor_FloatISP_Bayer16GRBG,
    NvSciColor_FloatISP_Bayer16GBRG,
    NvSciColor_FloatISP_Bayer16RCCB,
    NvSciColor_FloatISP_Bayer16BCCR,
    NvSciColor_FloatISP_Bayer16CRBC,
    NvSciColor_FloatISP_Bayer16CBRC,
    NvSciColor_FloatISP_Bayer16RCCC,
    NvSciColor_FloatISP_Bayer16CCCR,
    NvSciColor_FloatISP_Bayer16CRCC,
    NvSciColor_FloatISP_Bayer16CCRC,
    NvSciColor_X12Bayer20CCCC,
    NvSciColor_X12Bayer20BGGR,
    NvSciColor_X12Bayer20RGGB,
    NvSciColor_X12Bayer20GRBG,
    NvSciColor_X12Bayer20GBRG,
    NvSciColor_X12Bayer20RCCB,
    NvSciColor_X12Bayer20BCCR,
    NvSciColor_X12Bayer20CRBC,
    NvSciColor_X12Bayer20CBRC,
    NvSciColor_X12Bayer20RCCC,
    NvSciColor_X12Bayer20CCCR,
    NvSciColor_X12Bayer20CRCC,
    NvSciColor_X12Bayer20CCRC,
    NvSciColor_Signed_X12Bayer20CCCC,
    NvSciColor_Signed_X12Bayer20GBRG,
 
    /* Semiplanar formats */
    NvSciColor_U8V8,
    NvSciColor_U8_V8,
    NvSciColor_V8U8,
    NvSciColor_V8_U8,
    NvSciColor_U10V10,
    NvSciColor_V10U10,
    NvSciColor_U12V12,
    NvSciColor_V12U12,
    NvSciColor_U16V16,
    NvSciColor_V16U16,
 
    /* PLANAR formats */
    NvSciColor_Y8,
    NvSciColor_Y10,
    NvSciColor_Y12,
    NvSciColor_Y16,
    NvSciColor_U8,
    NvSciColor_V8,
    NvSciColor_U10,
    NvSciColor_V10,
    NvSciColor_U12,
    NvSciColor_V12,
    NvSciColor_U16,
    NvSciColor_V16,
 
    /* Packed YUV formats */
    NvSciColor_A8Y8U8V8,
    NvSciColor_Y8U8Y8V8,
    NvSciColor_Y8V8Y8U8,
    NvSciColor_U8Y8V8Y8,
    NvSciColor_V8Y8U8Y8,
    NvSciColor_A16Y16U16V16,
 
    /* RGBA PACKED */
    NvSciColor_A8,
    NvSciColor_Signed_A8,
    NvSciColor_B8G8R8A8,
    NvSciColor_A8R8G8B8,
    NvSciColor_A8B8G8R8,
    NvSciColor_A2R10G10B10,
    NvSciColor_A16,
    NvSciColor_Signed_A16,
    NvSciColor_Signed_R16G16,
    NvSciColor_A16B16G16R16,
    NvSciColor_Signed_A16B16G16R16,
    NvSciColor_Float_A16B16G16R16,
    NvSciColor_A32,
    NvSciColor_Signed_A32,
    NvSciColor_Float_A16,
    NvSciColor_UpperBound
} NvSciBufAttrValColorFmt;
 
typedef enum {
    NvSciColorStd_SRGB,
    NvSciColorStd_REC601_SR,
    NvSciColorStd_REC601_ER,
    NvSciColorStd_REC709_SR,
    NvSciColorStd_REC709_ER,
    NvSciColorStd_REC2020_RGB,
    NvSciColorStd_REC2020_SR,
    NvSciColorStd_REC2020_ER,
    NvSciColorStd_YcCbcCrc_SR,
    NvSciColorStd_YcCbcCrc_ER,
    NvSciColorStd_SENSOR_RGBA,
    NvSciColorStd_REQ2020PQ_ER,
} NvSciBufAttrValColorStd;
 
typedef enum {
    NvSciDataType_Int4,
    NvSciDataType_Uint4,
    NvSciDataType_Int8,
    NvSciDataType_Uint8,
    NvSciDataType_Int16,
    NvSciDataType_Uint16,
    NvSciDataType_Int32,
    NvSciDataType_Uint32,
    NvSciDataType_Float16,
    NvSciDataType_Float32,
    NvSciDataType_FloatISP,
    NvSciDataType_Bool,
    NvSciDataType_UpperBound
} NvSciBufAttrValDataType;
 
typedef struct {
    uint8_t bytes[16];
} NvSciRmGpuId;
 
typedef struct NvSciBufModuleRec* NvSciBufModule;
 
typedef struct {
      NvSciBufAttrKey key;
 
      const void* value;
 
      size_t len;
} NvSciBufAttrKeyValuePair;
 
typedef struct NvSciBufObjRefRec* NvSciBufObj;
 
 
typedef struct NvSciBufAttrListRec* NvSciBufAttrList;
 
typedef struct {
      uint64_t data[NVSCIBUF_EXPORT_DESC_SIZE];
} __attribute__((packed)) NvSciBufObjIpcExportDescriptor;
 
NvSciError NvSciBufAttrListCreate(
    NvSciBufModule module,
    NvSciBufAttrList* newAttrList);
 
void NvSciBufAttrListFree(
    NvSciBufAttrList attrList);
 
NvSciError NvSciBufAttrListSetAttrs(
    NvSciBufAttrList attrList,
    NvSciBufAttrKeyValuePair* pairArray,
    size_t pairCount);
 
size_t NvSciBufAttrListGetSlotCount(
    NvSciBufAttrList attrList);
 
NvSciError NvSciBufAttrListGetAttrs(
    NvSciBufAttrList attrList,
    NvSciBufAttrKeyValuePair* pairArray,
    size_t pairCount);
 
NvSciError NvSciBufAttrListSlotGetAttrs(
    NvSciBufAttrList attrList,
    size_t slotIndex,
    NvSciBufAttrKeyValuePair* pairArray,
    size_t pairCount);
 
#if (NV_IS_SAFETY == 0)
 
NvSciError NvSciBufAttrListDebugDump(
    NvSciBufAttrList attrList,
    void** buf,
    size_t* len);
#endif
 
#if (NV_IS_SAFETY == 0)
 
#else
 
#endif
 
#if (NV_IS_SAFETY == 0)
 
#endif
 
NvSciError NvSciBufAttrListReconcile(
    const NvSciBufAttrList inputArray[],
    size_t inputCount,
    NvSciBufAttrList* newReconciledAttrList,
    NvSciBufAttrList* newConflictList);
 
NvSciError NvSciBufAttrListClone(
    NvSciBufAttrList origAttrList,
    NvSciBufAttrList* newAttrList);
 
NvSciError NvSciBufAttrListAppendUnreconciled(
    const NvSciBufAttrList inputUnreconciledAttrListArray[],
    size_t inputUnreconciledAttrListCount,
    NvSciBufAttrList* newUnreconciledAttrList);
 
NvSciError NvSciBufAttrListIsReconciled(
    NvSciBufAttrList attrList,
    bool* isReconciled);
 
NvSciError NvSciBufAttrListValidateReconciled(
    NvSciBufAttrList reconciledAttrList,
    const NvSciBufAttrList unreconciledAttrListArray[],
    size_t unreconciledAttrListCount,
    bool* isReconcileListValid);
 
NvSciError NvSciBufObjDup(
    NvSciBufObj bufObj,
    NvSciBufObj* dupObj);
 
#if (NV_IS_SAFETY == 0)
 
#else
 
#endif
 
#if (NV_IS_SAFETY == 0)
 
#endif
 
NvSciError NvSciBufAttrListReconcileAndObjAlloc(
    const NvSciBufAttrList attrListArray[],
    size_t attrListCount,
    NvSciBufObj* bufObj,
    NvSciBufAttrList* newConflictList);
 
void NvSciBufObjFree(
    NvSciBufObj bufObj);
 
NvSciError NvSciBufObjGetAttrList(
    NvSciBufObj bufObj,
    NvSciBufAttrList* bufAttrList);
 
NvSciError NvSciBufObjGetCpuPtr(
    NvSciBufObj bufObj,
    void**  ptr);
 
NvSciError NvSciBufObjGetConstCpuPtr(
    NvSciBufObj bufObj,
    const void**  ptr);
 
NvSciError NvSciBufObjFlushCpuCacheRange(
    NvSciBufObj bufObj,
    uint64_t offset,
    uint64_t len);
 
NvSciError NvSciBufObjAlloc(
    NvSciBufAttrList reconciledAttrList,
    NvSciBufObj* bufObj);
 
NvSciError NvSciBufObjDupWithReducePerm(
    NvSciBufObj bufObj,
    NvSciBufAttrValAccessPerm reducedPerm,
    NvSciBufObj* newBufObj);
 
NvSciError NvSciBufIpcExportAttrListAndObj(
    NvSciBufObj bufObj,
    NvSciBufAttrValAccessPerm permissions,
    NvSciIpcEndpoint ipcEndpoint,
    void** attrListAndObjDesc,
    size_t* attrListAndObjDescSize);
 
NvSciError NvSciBufIpcImportAttrListAndObj(
    NvSciBufModule module,
    NvSciIpcEndpoint ipcEndpoint,
    const void* attrListAndObjDesc,
    size_t attrListAndObjDescSize,
    const NvSciBufAttrList attrList[],
    size_t count,
    NvSciBufAttrValAccessPerm minPermissions,
    int64_t timeoutUs,
    NvSciBufObj* bufObj);
 
void NvSciBufAttrListAndObjFreeDesc(
    void* attrListAndObjDescBuf);
 
NvSciError NvSciBufObjIpcExport(
    NvSciBufObj bufObj,
    NvSciBufAttrValAccessPerm accPerm,
    NvSciIpcEndpoint ipcEndpoint,
    NvSciBufObjIpcExportDescriptor* exportData);
 
NvSciError NvSciBufObjIpcImport(
    NvSciIpcEndpoint ipcEndpoint,
    const NvSciBufObjIpcExportDescriptor* desc,
    NvSciBufAttrList reconciledAttrList,
    NvSciBufAttrValAccessPerm minPermissions,
    int64_t timeoutUs,
    NvSciBufObj* bufObj);
 
NvSciError NvSciBufAttrListIpcExportUnreconciled(
    const NvSciBufAttrList unreconciledAttrListArray[],
    size_t unreconciledAttrListCount,
    NvSciIpcEndpoint ipcEndpoint,
    void** descBuf,
    size_t* descLen);
 
NvSciError NvSciBufAttrListIpcExportReconciled(
    NvSciBufAttrList reconciledAttrList,
    NvSciIpcEndpoint ipcEndpoint,
    void** descBuf,
    size_t* descLen);
 
NvSciError NvSciBufAttrListIpcImportUnreconciled(
    NvSciBufModule module,
    NvSciIpcEndpoint ipcEndpoint,
    const void* descBuf,
    size_t descLen,
    NvSciBufAttrList* importedUnreconciledAttrList);
 
NvSciError NvSciBufAttrListIpcImportReconciled(
    NvSciBufModule module,
    NvSciIpcEndpoint ipcEndpoint,
    const void* descBuf,
    size_t descLen,
    const NvSciBufAttrList inputUnreconciledAttrListArray[],
    size_t inputUnreconciledAttrListCount,
    NvSciBufAttrList* importedReconciledAttrList);
 
 
void NvSciBufAttrListFreeDesc(
    void* descBuf);
 
NvSciError NvSciBufModuleOpen(
    NvSciBufModule* newModule);
 
void NvSciBufModuleClose(
    NvSciBufModule module);
 
NvSciError NvSciBufCheckVersionCompatibility(
    uint32_t majorVer,
    uint32_t minorVer,
    bool* isCompatible);
 
#if defined(__cplusplus)
}
#endif // __cplusplus
 
#endif /* INCLUDED_NVSCIBUF_H */