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/*
*
* Copyright (C) 2019-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
* @file zer_ddi.h
* @version v1.14-r1.14.33
*
*/
#ifndef _ZER_DDI_H
#define _ZER_DDI_H
#if defined(__cplusplus)
#pragma once
#endif
#include "zer_api.h"
#if defined(__cplusplus)
extern "C" {
#endif
///////////////////////////////////////////////////////////////////////////////
/// @brief Function-pointer for zerGetLastErrorDescription
typedef ze_result_t (ZE_APICALL *zer_pfnGetLastErrorDescription_t)(
const char**
);
///////////////////////////////////////////////////////////////////////////////
/// @brief Function-pointer for zerTranslateDeviceHandleToIdentifier
typedef uint32_t (ZE_APICALL *zer_pfnTranslateDeviceHandleToIdentifier_t)(
ze_device_handle_t
);
///////////////////////////////////////////////////////////////////////////////
/// @brief Function-pointer for zerTranslateIdentifierToDeviceHandle
typedef ze_device_handle_t (ZE_APICALL *zer_pfnTranslateIdentifierToDeviceHandle_t)(
uint32_t
);
///////////////////////////////////////////////////////////////////////////////
/// @brief Function-pointer for zerGetDefaultContext
typedef ze_context_handle_t (ZE_APICALL *zer_pfnGetDefaultContext_t)(
void
);
///////////////////////////////////////////////////////////////////////////////
/// @brief Table of Global functions pointers
typedef struct _zer_global_dditable_t
{
zer_pfnGetLastErrorDescription_t pfnGetLastErrorDescription;
zer_pfnTranslateDeviceHandleToIdentifier_t pfnTranslateDeviceHandleToIdentifier;
zer_pfnTranslateIdentifierToDeviceHandle_t pfnTranslateIdentifierToDeviceHandle;
zer_pfnGetDefaultContext_t pfnGetDefaultContext;
} zer_global_dditable_t;
///////////////////////////////////////////////////////////////////////////////
/// @brief Exported function for filling application's Global table
/// with current process' addresses
///
/// @returns
/// - ::ZE_RESULT_SUCCESS
/// - ::ZE_RESULT_ERROR_UNINITIALIZED
/// - ::ZE_RESULT_ERROR_INVALID_NULL_POINTER
/// - ::ZE_RESULT_ERROR_UNSUPPORTED_VERSION
ZE_DLLEXPORT ze_result_t ZE_APICALL
zerGetGlobalProcAddrTable(
ze_api_version_t version, ///< [in] API version requested
zer_global_dditable_t* pDdiTable ///< [in,out] pointer to table of DDI function pointers
);
///////////////////////////////////////////////////////////////////////////////
/// @brief Function-pointer for zerGetGlobalProcAddrTable
typedef ze_result_t (ZE_APICALL *zer_pfnGetGlobalProcAddrTable_t)(
ze_api_version_t,
zer_global_dditable_t*
);
///////////////////////////////////////////////////////////////////////////////
/// @brief Container for all DDI tables
typedef struct _zer_dditable_t
{
zer_global_dditable_t Global;
} zer_dditable_t;
/// @brief Container for all DDI tables with version and tables set by the Driver
typedef struct _zer_dditable_driver_t
{
ze_api_version_t version;
uint8_t isValidFlag;
zer_global_dditable_t * Global;
} zer_dditable_driver_t;
#if defined(__cplusplus)
} // extern "C"
#endif
#endif // _ZER_DDI_H
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