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-shared.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_shared(const char *resource, Ceed ceed) { 18 char *resource_root; 19 CeedCallBackend(CeedCudaGetResourceRoot(ceed, resource, &resource_root)); 20 if (strcmp(resource_root, "/gpu/cuda/shared")) { 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(CeedSetDeterministic(ceed, true)); 26 27 Ceed_Cuda *data; 28 CeedCallBackend(CeedCalloc(1, &data)); 29 CeedCallBackend(CeedSetData(ceed, data)); 30 CeedCallBackend(CeedCudaInit(ceed, resource)); 31 32 Ceed ceed_ref; 33 CeedCallBackend(CeedInit("/gpu/cuda/ref", &ceed_ref)); 34 CeedCallBackend(CeedSetDelegate(ceed, ceed_ref)); 35 36 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Cuda_shared)); 37 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda)); 38 return 0; 39 } 40 41 //------------------------------------------------------------------------------ 42 // Register backend 43 //------------------------------------------------------------------------------ 44 CEED_INTERN int CeedRegister_Cuda_Shared(void) { return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); } 45 //------------------------------------------------------------------------------ 46