1 // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3 // 4 // SPDX-License-Identifier: BSD-2-Clause 5 // 6 // This file is part of CEED: http://github.com/ceed 7 8 #include "ceed-cuda-gen.h" 9 10 #include <ceed/backend.h> 11 #include <ceed/ceed.h> 12 #include <string.h> 13 14 //------------------------------------------------------------------------------ 15 // Backend init 16 //------------------------------------------------------------------------------ 17 static int CeedInit_Cuda_gen(const char *resource, Ceed ceed) { 18 char *resource_root; 19 CeedCallBackend(CeedCudaGetResourceRoot(ceed, resource, &resource_root)); 20 if (strcmp(resource_root, "/gpu/cuda") && strcmp(resource_root, "/gpu/cuda/gen")) { 21 // LCOV_EXCL_START 22 return CeedError(ceed, CEED_ERROR_BACKEND, "Cuda backend cannot use resource: %s", resource); 23 // LCOV_EXCL_STOP 24 } 25 CeedCallBackend(CeedFree(&resource_root)); 26 27 Ceed_Cuda *data; 28 CeedCallBackend(CeedCalloc(1, &data)); 29 CeedCallBackend(CeedSetData(ceed, data)); 30 CeedCallBackend(CeedCudaInit(ceed, resource)); 31 32 Ceed ceedshared; 33 CeedCall(CeedInit("/gpu/cuda/shared", &ceedshared)); 34 CeedCallBackend(CeedSetDelegate(ceed, ceedshared)); 35 36 const char fallbackresource[] = "/gpu/cuda/ref"; 37 CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource)); 38 39 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Cuda_gen)); 40 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Cuda_gen)); 41 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda)); 42 return CEED_ERROR_SUCCESS; 43 } 44 45 //------------------------------------------------------------------------------ 46 // Register backend 47 //------------------------------------------------------------------------------ 48 CEED_INTERN int CeedRegister_Cuda_Gen(void) { return CeedRegister("/gpu/cuda/gen", CeedInit_Cuda_gen, 20); } 49 //------------------------------------------------------------------------------ 50