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/ceed.h> 9 #include <ceed/backend.h> 10 #include <string.h> 11 #include "ceed-cuda-gen.h" 12 13 //------------------------------------------------------------------------------ 14 // Backend init 15 //------------------------------------------------------------------------------ 16 static int CeedInit_Cuda_gen(const char *resource, Ceed ceed) { 17 int ierr; 18 19 if (strcmp(resource, "/gpu/cuda") && strcmp(resource, "/gpu/cuda/gen")) 20 // LCOV_EXCL_START 21 return CeedError(ceed, CEED_ERROR_BACKEND, 22 "Cuda backend cannot use resource: %s", resource); 23 // LCOV_EXCL_STOP 24 25 Ceed_Cuda *data; 26 ierr = CeedCalloc(1, &data); CeedChkBackend(ierr); 27 ierr = CeedSetData(ceed, data); CeedChkBackend(ierr); 28 ierr = CeedCudaInit(ceed, resource); CeedChkBackend(ierr); 29 30 Ceed ceedshared; 31 CeedInit("/gpu/cuda/shared", &ceedshared); 32 ierr = CeedSetDelegate(ceed, ceedshared); CeedChkBackend(ierr); 33 34 const char fallbackresource[] = "/gpu/cuda/ref"; 35 ierr = CeedSetOperatorFallbackResource(ceed, fallbackresource); 36 CeedChkBackend(ierr); 37 38 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", 39 CeedQFunctionCreate_Cuda_gen); CeedChkBackend(ierr); 40 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", 41 CeedOperatorCreate_Cuda_gen); CeedChkBackend(ierr); 42 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", 43 CeedDestroy_Cuda); CeedChkBackend(ierr); 44 return CEED_ERROR_SUCCESS; 45 } 46 47 //------------------------------------------------------------------------------ 48 // Register backend 49 //------------------------------------------------------------------------------ 50 CEED_INTERN int CeedRegister_Cuda_Gen(void) { 51 return CeedRegister("/gpu/cuda/gen", CeedInit_Cuda_gen, 20); 52 } 53 //------------------------------------------------------------------------------ 54