13d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 23d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3c532df63SYohann // 43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause 5c532df63SYohann // 63d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed 7c532df63SYohann 8c532df63SYohann #include "ceed-cuda-shared.h" 9c532df63SYohann 10*2b730f8bSJeremy L Thompson #include <ceed/backend.h> 11*2b730f8bSJeremy L Thompson #include <ceed/ceed.h> 12*2b730f8bSJeremy L Thompson #include <string.h> 13*2b730f8bSJeremy L Thompson 14ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 15ab213215SJeremy L Thompson // Backend init 16ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 17c532df63SYohann static int CeedInit_Cuda_shared(const char *resource, Ceed ceed) { 18b11824b3SJeremy L Thompson char *resource_root; 19*2b730f8bSJeremy L Thompson CeedCallBackend(CeedCudaGetResourceRoot(ceed, resource, &resource_root)); 20*2b730f8bSJeremy L Thompson if (strcmp(resource_root, "/gpu/cuda/shared")) { 2152d8ac88SJeremy L Thompson // LCOV_EXCL_START 22*2b730f8bSJeremy L Thompson return CeedError(ceed, CEED_ERROR_BACKEND, "Cuda backend cannot use resource: %s", resource); 2352d8ac88SJeremy L Thompson // LCOV_EXCL_STOP 24*2b730f8bSJeremy L Thompson } 25*2b730f8bSJeremy L Thompson CeedCallBackend(CeedSetDeterministic(ceed, true)); 26c532df63SYohann 276dbfb411Snbeams Ceed_Cuda *data; 28*2b730f8bSJeremy L Thompson CeedCallBackend(CeedCalloc(1, &data)); 29*2b730f8bSJeremy L Thompson CeedCallBackend(CeedSetData(ceed, data)); 30*2b730f8bSJeremy L Thompson CeedCallBackend(CeedCudaInit(ceed, resource)); 31abfaacbbSSander Arens 32437930d1SJeremy L Thompson Ceed ceed_ref; 33*2b730f8bSJeremy L Thompson CeedCallBackend(CeedInit("/gpu/cuda/ref", &ceed_ref)); 34*2b730f8bSJeremy L Thompson CeedCallBackend(CeedSetDelegate(ceed, ceed_ref)); 356dbfb411Snbeams 36*2b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Cuda_shared)); 37*2b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda)); 38c532df63SYohann return 0; 39c532df63SYohann } 40c532df63SYohann 41ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 42ab213215SJeremy L Thompson // Register backend 43ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 44*2b730f8bSJeremy L Thompson CEED_INTERN int CeedRegister_Cuda_Shared(void) { return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); } 45ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 46