xref: /libCEED/backends/cuda-shared/ceed-cuda-shared.c (revision bc246734e1a318011d33a38eecea04c89961ac52)
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 
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) {
21b11824b3SJeremy L Thompson   char *resource_root;
22*bc246734SJeremy L Thompson   CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root));
236574a04fSJeremy L Thompson   CeedCheck(!strcmp(resource_root, "/gpu/cuda/shared"), ceed, CEED_ERROR_BACKEND, "Cuda backend cannot use resource: %s", resource);
242b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDeterministic(ceed, true));
25c532df63SYohann 
266dbfb411Snbeams   Ceed_Cuda *data;
272b730f8bSJeremy L Thompson   CeedCallBackend(CeedCalloc(1, &data));
282b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetData(ceed, data));
292b730f8bSJeremy L Thompson   CeedCallBackend(CeedCudaInit(ceed, resource));
30abfaacbbSSander Arens 
31437930d1SJeremy L Thompson   Ceed ceed_ref;
322b730f8bSJeremy L Thompson   CeedCallBackend(CeedInit("/gpu/cuda/ref", &ceed_ref));
332b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
346dbfb411Snbeams 
352b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Cuda_shared));
362b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda));
37c532df63SYohann   return 0;
38c532df63SYohann }
39c532df63SYohann 
40ab213215SJeremy L Thompson //------------------------------------------------------------------------------
41ab213215SJeremy L Thompson // Register backend
42ab213215SJeremy L Thompson //------------------------------------------------------------------------------
432b730f8bSJeremy L Thompson CEED_INTERN int CeedRegister_Cuda_Shared(void) { return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); }
442a86cc9dSSebastian Grimberg 
45ab213215SJeremy L Thompson //------------------------------------------------------------------------------
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