1 // Copyright (c) 2017-2026, 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.h> 11 #include <ceed/backend.h> 12 #include <stdbool.h> 13 #include <string.h> 14 15 #include "../cuda/ceed-cuda-common.h" 16 17 //------------------------------------------------------------------------------ 18 // Backend init 19 //------------------------------------------------------------------------------ 20 static int CeedInit_Cuda_shared(const char *resource, Ceed ceed) { 21 Ceed ceed_ref; 22 Ceed_Cuda *data; 23 char *resource_root; 24 25 CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root)); 26 CeedCheck(!strcmp(resource_root, "/gpu/cuda/shared"), ceed, CEED_ERROR_BACKEND, "Cuda backend cannot use resource: %s", resource); 27 CeedCallBackend(CeedFree(&resource_root)); 28 CeedCallBackend(CeedSetDeterministic(ceed, true)); 29 30 CeedCallBackend(CeedCalloc(1, &data)); 31 CeedCallBackend(CeedSetData(ceed, data)); 32 CeedCallBackend(CeedInit_Cuda(ceed, resource)); 33 34 CeedCallBackend(CeedInit("/gpu/cuda/ref", &ceed_ref)); 35 CeedCallBackend(CeedSetDelegate(ceed, ceed_ref)); 36 CeedCallBackend(CeedDestroy(&ceed_ref)); 37 38 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Cuda_shared)); 39 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateH1", CeedBasisCreateH1_Cuda_shared)); 40 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda)); 41 return CEED_ERROR_SUCCESS; 42 } 43 44 //------------------------------------------------------------------------------ 45 // Register backend 46 //------------------------------------------------------------------------------ 47 CEED_INTERN int CeedRegister_Cuda_Shared(void) { return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); } 48 49 //------------------------------------------------------------------------------ 50