15aed82e4SJeremy L Thompson // Copyright (c) 2017-2024, 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 1049aac155SJeremy L Thompson #include <ceed.h> 112b730f8bSJeremy L Thompson #include <ceed/backend.h> 1249aac155SJeremy L Thompson #include <stdbool.h> 132b730f8bSJeremy L Thompson #include <string.h> 142b730f8bSJeremy L Thompson 1549aac155SJeremy L Thompson #include "../cuda/ceed-cuda-common.h" 1649aac155SJeremy L Thompson 17ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 18ab213215SJeremy L Thompson // Backend init 19ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 20c532df63SYohann static int CeedInit_Cuda_shared(const char *resource, Ceed ceed) { 21ca735530SJeremy L Thompson Ceed ceed_ref; 22ca735530SJeremy L Thompson Ceed_Cuda *data; 23b11824b3SJeremy L Thompson char *resource_root; 24ca735530SJeremy L Thompson 25bc246734SJeremy L Thompson CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root)); 266574a04fSJeremy L Thompson CeedCheck(!strcmp(resource_root, "/gpu/cuda/shared"), ceed, CEED_ERROR_BACKEND, "Cuda backend cannot use resource: %s", resource); 27bf84744cSJeremy L Thompson CeedCallBackend(CeedFree(&resource_root)); 282b730f8bSJeremy L Thompson CeedCallBackend(CeedSetDeterministic(ceed, true)); 29c532df63SYohann 302b730f8bSJeremy L Thompson CeedCallBackend(CeedCalloc(1, &data)); 312b730f8bSJeremy L Thompson CeedCallBackend(CeedSetData(ceed, data)); 32eb7e6cafSJeremy L Thompson CeedCallBackend(CeedInit_Cuda(ceed, resource)); 33abfaacbbSSander Arens 342b730f8bSJeremy L Thompson CeedCallBackend(CeedInit("/gpu/cuda/ref", &ceed_ref)); 352b730f8bSJeremy L Thompson CeedCallBackend(CeedSetDelegate(ceed, ceed_ref)); 369bc66399SJeremy L Thompson CeedCallBackend(CeedDestroy(&ceed_ref)); 376dbfb411Snbeams 382b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Cuda_shared)); 39*9ff05d55SJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateH1", CeedBasisCreateH1_Cuda_shared)); 402b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda)); 41b2165e7aSSebastian Grimberg return CEED_ERROR_SUCCESS; 42c532df63SYohann } 43c532df63SYohann 44ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 45ab213215SJeremy L Thompson // Register backend 46ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 472b730f8bSJeremy L Thompson CEED_INTERN int CeedRegister_Cuda_Shared(void) { return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); } 482a86cc9dSSebastian Grimberg 49ab213215SJeremy L Thompson //------------------------------------------------------------------------------ 50