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2026-07-13 13:33:03 +08:00

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/*
* SPDX-FileCopyrightText: Copyright (c) 1993-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CUDA_DRIVER_WRAPPER_H
#define CUDA_DRIVER_WRAPPER_H
#include <MNN/MNNDefine.h>
#include <cstdint>
#include <cstdio>
#include <cuda.h>
#define cuErrCheck(stat, wrap) \
{ \
MNN::cuErrCheck_((stat), wrap, __FILE__, __LINE__); \
}
namespace MNN
{
class CUDADriverWrapper
{
public:
CUDADriverWrapper();
~CUDADriverWrapper();
// Delete default copy constructor and copy assignment constructor
CUDADriverWrapper(const CUDADriverWrapper&) = delete;
CUDADriverWrapper& operator=(const CUDADriverWrapper&) = delete;
CUresult cuGetErrorName(CUresult error, const char** pStr) const;
CUresult cuFuncSetAttribute(CUfunction hfunc, CUfunction_attribute attrib, int value) const;
CUresult cuLinkComplete(CUlinkState state, void** cubinOut, size_t* sizeOut) const;
CUresult cuModuleUnload(CUmodule hmod) const;
CUresult cuLinkDestroy(CUlinkState state) const;
CUresult cuModuleLoadData(CUmodule* module, const void* image) const;
CUresult cuLinkCreate(uint32_t numOptions, CUjit_option* options, void** optionValues, CUlinkState* stateOut) const;
CUresult cuModuleGetFunction(CUfunction* hfunc, CUmodule hmod, const char* name) const;
CUresult cuLinkAddFile(CUlinkState state, CUjitInputType type, const char* path, uint32_t numOptions,
CUjit_option* options, void** optionValues) const;
CUresult cuLinkAddData(CUlinkState state, CUjitInputType type, void* data, size_t size, const char* name,
uint32_t numOptions, CUjit_option* options, void** optionValues) const;
CUresult cuLaunchCooperativeKernel(CUfunction f, uint32_t gridDimX, uint32_t gridDimY, uint32_t gridDimZ,
uint32_t blockDimX, uint32_t blockDimY, uint32_t blockDimZ, uint32_t sharedMemBytes, CUstream hStream,
void** kernelParams) const;
CUresult cuLaunchKernel(CUfunction f, uint32_t gridDimX, uint32_t gridDimY, uint32_t gridDimZ, uint32_t blockDimX,
uint32_t blockDimY, uint32_t blockDimZ, uint32_t sharedMemBytes, CUstream hStream, void** kernelParams,
void** extra) const;
private:
void* handle;
CUresult (*_cuGetErrorName)(CUresult, const char**);
CUresult (*_cuFuncSetAttribute)(CUfunction, CUfunction_attribute, int);
CUresult (*_cuLinkComplete)(CUlinkState, void**, size_t*);
CUresult (*_cuModuleUnload)(CUmodule);
CUresult (*_cuLinkDestroy)(CUlinkState);
CUresult (*_cuLinkCreate)(unsigned int, CUjit_option*, void**, CUlinkState*);
CUresult (*_cuModuleLoadData)(CUmodule*, const void*);
CUresult (*_cuModuleGetFunction)(CUfunction*, CUmodule, const char*);
CUresult (*_cuLinkAddFile)(CUlinkState, CUjitInputType, const char*, unsigned int, CUjit_option*, void**);
CUresult (*_cuLinkAddData)(
CUlinkState, CUjitInputType, void*, size_t, const char*, unsigned int, CUjit_option*, void**);
CUresult (*_cuLaunchCooperativeKernel)(CUfunction, unsigned int, unsigned int, unsigned int, unsigned int,
unsigned int, unsigned int, unsigned int, CUstream, void**);
CUresult (*_cuLaunchKernel)(CUfunction f, uint32_t gridDimX, uint32_t gridDimY, uint32_t gridDimZ,
uint32_t blockDimX, uint32_t blockDimY, uint32_t blockDimZ, uint32_t sharedMemBytes, CUstream hStream,
void** kernelParams, void** extra);
};
inline void cuErrCheck_(CUresult stat, const CUDADriverWrapper& wrap, const char* file, int line)
{
if (stat != CUDA_SUCCESS)
{
const char* msg = nullptr;
wrap.cuGetErrorName(stat, &msg);
fprintf(stderr, "CUDA Error: %s %s %d\n", msg, file, line);
}
}
} // namespace MNN
#endif // CUDA_DRIVER_WRAPPER_H