Rajeev Rao
139 lines
5.1 KiB
C++
139 lines
5.1 KiB
C++
/*
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* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define CUDA_LIB_NAME "cuda"
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#if defined(_WIN32)
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#if !defined(WIN32_LEAN_AND_MEAN)
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#define WIN32_LEAN_AND_MEAN
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#endif // defined(WIN32_LEAN_AND_MEAN)
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#include <windows.h>
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#define dllOpen(name) (void*) LoadLibraryA("nv" name ".dll")
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#define dllClose(handle) FreeLibrary(static_cast<HMODULE>(handle))
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#define dllGetSym(handle, name) GetProcAddress(static_cast<HMODULE>(handle), name)
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#else
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#include <dlfcn.h>
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#define dllOpen(name) dlopen("lib" name ".so.1", RTLD_LAZY)
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#define dllClose(handle) dlclose(handle)
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#define dllGetSym(handle, name) dlsym(handle, name)
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#endif
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#include "cudaDriverWrapper.h"
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#include "plugin.h"
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#include <cstdint>
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#include <cstdio>
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#include <cuda.h>
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using namespace nvinfer1;
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CUDADriverWrapper::CUDADriverWrapper()
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{
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handle = dllOpen(CUDA_LIB_NAME);
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ASSERT(handle != nullptr);
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auto load_sym = [](void* handle, const char *name) {
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void* ret = dllGetSym(handle, name);
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ASSERT(ret != nullptr);
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return ret;
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};
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*(void**)(&_cuGetErrorName) = load_sym(handle, "cuGetErrorName");
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*(void**)(&_cuFuncSetAttribute) = load_sym(handle, "cuFuncSetAttribute");
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*(void**)(&_cuLinkComplete) = load_sym(handle, "cuLinkComplete");
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*(void**)(&_cuModuleUnload) = load_sym(handle, "cuModuleUnload");
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*(void**)(&_cuLinkDestroy) = load_sym(handle, "cuLinkDestroy");
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*(void**)(&_cuModuleLoadData) = load_sym(handle, "cuModuleLoadData");
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*(void**)(&_cuLinkCreate) = load_sym(handle, "cuLinkCreate_v2");
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*(void**)(&_cuModuleGetFunction) = load_sym(handle, "cuModuleGetFunction");
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*(void**)(&_cuLinkAddFile) = load_sym(handle, "cuLinkAddFile_v2");
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*(void**)(&_cuLinkAddData) = load_sym(handle, "cuLinkAddData_v2");
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*(void**)(&_cuLaunchCooperativeKernel) = load_sym(handle, "cuLaunchCooperativeKernel");
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*(void**)(&_cuLaunchKernel) = load_sym(handle, "cuLaunchKernel");
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}
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CUDADriverWrapper::~CUDADriverWrapper()
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{
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dllClose(handle);
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}
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CUresult CUDADriverWrapper::cuGetErrorName(CUresult error, const char** pStr) const
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{
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return (*_cuGetErrorName)(error, pStr);
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}
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CUresult CUDADriverWrapper::cuFuncSetAttribute(CUfunction hfunc, CUfunction_attribute attrib, int value) const
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{
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return (*_cuFuncSetAttribute)(hfunc, attrib, value);
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}
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CUresult CUDADriverWrapper::cuLinkComplete(CUlinkState state, void** cubinOut, size_t* sizeOut) const
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{
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return (*_cuLinkComplete)(state, cubinOut, sizeOut);
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}
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CUresult CUDADriverWrapper::cuModuleUnload(CUmodule hmod) const
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{
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return (*_cuModuleUnload)(hmod);
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}
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CUresult CUDADriverWrapper::cuLinkDestroy(CUlinkState state) const
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{
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return (*_cuLinkDestroy)(state);
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}
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CUresult CUDADriverWrapper::cuModuleLoadData(CUmodule* module, const void* image) const
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{
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return (*_cuModuleLoadData)(module, image);
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}
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CUresult CUDADriverWrapper::cuLinkCreate(
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uint32_t numOptions, CUjit_option* options, void** optionValues, CUlinkState* stateOut) const
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{
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return (*_cuLinkCreate)(numOptions, options, optionValues, stateOut);
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}
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CUresult CUDADriverWrapper::cuModuleGetFunction(CUfunction* hfunc, CUmodule hmod, const char* name) const
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{
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return (*_cuModuleGetFunction)(hfunc, hmod, name);
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}
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CUresult CUDADriverWrapper::cuLinkAddFile(CUlinkState state, CUjitInputType type, const char* path, uint32_t numOptions,
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CUjit_option* options, void** optionValues) const
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{
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return (*_cuLinkAddFile)(state, type, path, numOptions, options, optionValues);
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}
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CUresult CUDADriverWrapper::cuLinkAddData(CUlinkState state, CUjitInputType type, void* data, size_t size,
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const char* name, uint32_t numOptions, CUjit_option* options, void** optionValues) const
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{
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return (*_cuLinkAddData)(state, type, data, size, name, numOptions, options, optionValues);
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}
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CUresult CUDADriverWrapper::cuLaunchCooperativeKernel(CUfunction f, uint32_t gridDimX, uint32_t gridDimY,
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uint32_t gridDimZ, uint32_t blockDimX, uint32_t blockDimY, uint32_t blockDimZ, uint32_t sharedMemBytes,
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CUstream hStream, void** kernelParams) const
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{
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return (*_cuLaunchCooperativeKernel)(
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f, gridDimX, gridDimY, gridDimZ, blockDimX, blockDimY, blockDimZ, sharedMemBytes, hStream, kernelParams);
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}
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CUresult CUDADriverWrapper::cuLaunchKernel(CUfunction f, uint32_t gridDimX, uint32_t gridDimY, uint32_t gridDimZ,
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uint32_t blockDimX, uint32_t blockDimY, uint32_t blockDimZ, uint32_t sharedMemBytes, CUstream hStream,
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void** kernelParams, void** extra) const
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{
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return (*_cuLaunchKernel)(
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f, gridDimX, gridDimY, gridDimZ, blockDimX, blockDimY, blockDimZ, sharedMemBytes, hStream, kernelParams, extra);
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}
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