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 //------------------------------------------------------------------------------
CeedInit_Cuda_shared(const char * resource,Ceed ceed)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 //------------------------------------------------------------------------------
CeedRegister_Cuda_Shared(void)47 CEED_INTERN int CeedRegister_Cuda_Shared(void) { return CeedRegister("/gpu/cuda/shared", CeedInit_Cuda_shared, 25); }
48
49 //------------------------------------------------------------------------------
50