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-shared.h" 12 13 //------------------------------------------------------------------------------ 14 // Backend init 15 //------------------------------------------------------------------------------ 16 static int CeedInit_Cuda_shared(const char *resource, Ceed ceed) { 17 int ierr; 18 19 char *resource_root; 20 ierr = CeedCudaGetResourceRoot(ceed, resource, &resource_root); 21 CeedChkBackend(ierr); 22 if (strcmp(resource_root, "/gpu/cuda/shared")) 23 // LCOV_EXCL_START 24 return CeedError(ceed, CEED_ERROR_BACKEND, 25 "Cuda backend cannot use resource: %s", resource); 26 // LCOV_EXCL_STOP 27 ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr); 28 29 Ceed_Cuda *data; 30 ierr = CeedCalloc(1, &data); CeedChkBackend(ierr); 31 ierr = CeedSetData(ceed, data); CeedChkBackend(ierr); 32 ierr = CeedCudaInit(ceed, resource); CeedChkBackend(ierr); 33 34 Ceed ceed_ref; 35 CeedInit("/gpu/cuda/ref", &ceed_ref); 36 ierr = CeedSetDelegate(ceed, ceed_ref); CeedChkBackend(ierr); 37 38 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", 39 CeedBasisCreateTensorH1_Cuda_shared); 40 CeedChkBackend(ierr); 41 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", 42 CeedDestroy_Cuda); CeedChkBackend(ierr); 43 CeedChkBackend(ierr); 44 return 0; 45 } 46 47 //------------------------------------------------------------------------------ 48 // Register backend 49 //------------------------------------------------------------------------------ 50 CEED_INTERN int CeedRegister_Cuda_Shared(void) { 51 return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); 52 } 53 //------------------------------------------------------------------------------ 54