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 8ec3da8bcSJed Brown #include <ceed/ceed.h> 9ec3da8bcSJed Brown #include <ceed/backend.h> 10c532df63SYohann #include <string.h> 11c532df63SYohann #include "ceed-cuda-shared.h" 12c532df63SYohann 13ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 14ab213215SJeremy L Thompson // Backend init 15ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 16c532df63SYohann static int CeedInit_Cuda_shared(const char *resource, Ceed ceed) { 17c532df63SYohann int ierr; 18f87d896cSJeremy L Thompson 19*b11824b3SJeremy L Thompson char *resource_root; 20*b11824b3SJeremy L Thompson ierr = CeedCudaGetResourceRoot(ceed, resource, &resource_root); 21*b11824b3SJeremy L Thompson CeedChkBackend(ierr); 22*b11824b3SJeremy L Thompson if (strcmp(resource_root, "/gpu/cuda/shared")) 2352d8ac88SJeremy L Thompson // LCOV_EXCL_START 24e15f9bd0SJeremy L Thompson return CeedError(ceed, CEED_ERROR_BACKEND, 25e15f9bd0SJeremy L Thompson "Cuda backend cannot use resource: %s", resource); 2652d8ac88SJeremy L Thompson // LCOV_EXCL_STOP 27*b11824b3SJeremy L Thompson ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr); 28c532df63SYohann 296dbfb411Snbeams Ceed_Cuda *data; 30*b11824b3SJeremy L Thompson ierr = CeedCalloc(1, &data); CeedChkBackend(ierr); 31*b11824b3SJeremy L Thompson ierr = CeedSetData(ceed, data); CeedChkBackend(ierr); 32*b11824b3SJeremy L Thompson ierr = CeedCudaInit(ceed, resource); CeedChkBackend(ierr); 33abfaacbbSSander Arens 34437930d1SJeremy L Thompson Ceed ceed_ref; 35437930d1SJeremy L Thompson CeedInit("/gpu/cuda/ref", &ceed_ref); 36*b11824b3SJeremy L Thompson ierr = CeedSetDelegate(ceed, ceed_ref); CeedChkBackend(ierr); 376dbfb411Snbeams 38c532df63SYohann ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", 395afe0718Sjeremylt CeedBasisCreateTensorH1_Cuda_shared); 40*b11824b3SJeremy L Thompson CeedChkBackend(ierr); 4173b3ccafSJeremy L Thompson ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", 42*b11824b3SJeremy L Thompson CeedDestroy_Cuda); CeedChkBackend(ierr); 43*b11824b3SJeremy L Thompson CeedChkBackend(ierr); 44c532df63SYohann return 0; 45c532df63SYohann } 46c532df63SYohann 47ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 48ab213215SJeremy L Thompson // Register backend 49ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 501d013790SJed Brown CEED_INTERN int CeedRegister_Cuda_Shared(void) { 511d013790SJed Brown return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); 52c532df63SYohann } 53ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 54