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.h> 11 #include <ceed/backend.h> 12 #include <string.h> 13 14 #include "../cuda/ceed-cuda-common.h" 15 16 //------------------------------------------------------------------------------ 17 // Backend init 18 //------------------------------------------------------------------------------ 19 static int CeedInit_Cuda_gen(const char *resource, Ceed ceed) { 20 char *resource_root; 21 CeedCallBackend(CeedCudaGetResourceRoot(ceed, resource, &resource_root)); 22 if (strcmp(resource_root, "/gpu/cuda") && strcmp(resource_root, "/gpu/cuda/gen")) { 23 // LCOV_EXCL_START 24 return CeedError(ceed, CEED_ERROR_BACKEND, "Cuda backend cannot use resource: %s", resource); 25 // LCOV_EXCL_STOP 26 } 27 CeedCallBackend(CeedFree(&resource_root)); 28 29 Ceed_Cuda *data; 30 CeedCallBackend(CeedCalloc(1, &data)); 31 CeedCallBackend(CeedSetData(ceed, data)); 32 CeedCallBackend(CeedCudaInit(ceed, resource)); 33 34 Ceed ceedshared; 35 CeedCall(CeedInit("/gpu/cuda/shared", &ceedshared)); 36 CeedCallBackend(CeedSetDelegate(ceed, ceedshared)); 37 38 const char fallbackresource[] = "/gpu/cuda/ref"; 39 CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource)); 40 41 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Cuda_gen)); 42 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Cuda_gen)); 43 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda)); 44 return CEED_ERROR_SUCCESS; 45 } 46 47 //------------------------------------------------------------------------------ 48 // Register backend 49 //------------------------------------------------------------------------------ 50 CEED_INTERN int CeedRegister_Cuda_Gen(void) { return CeedRegister("/gpu/cuda/gen", CeedInit_Cuda_gen, 20); } 51 //------------------------------------------------------------------------------ 52