1*9ba83ac0SJeremy L Thompson // Copyright (c) 2017-2026, 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.
3241a4b83SYohann //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
5241a4b83SYohann //
63d8e8822SJeremy L Thompson // This file is part of CEED: http://github.com/ceed
7241a4b83SYohann
8241a4b83SYohann #include "ceed-cuda-gen.h"
9241a4b83SYohann
1049aac155SJeremy L Thompson #include <ceed.h>
112b730f8bSJeremy L Thompson #include <ceed/backend.h>
122b730f8bSJeremy L Thompson #include <string.h>
132b730f8bSJeremy L Thompson
1449aac155SJeremy L Thompson #include "../cuda/ceed-cuda-common.h"
1549aac155SJeremy L Thompson
16ab213215SJeremy L Thompson //------------------------------------------------------------------------------
17ab213215SJeremy L Thompson // Backend init
18ab213215SJeremy L Thompson //------------------------------------------------------------------------------
CeedInit_Cuda_gen(const char * resource,Ceed ceed)19241a4b83SYohann static int CeedInit_Cuda_gen(const char *resource, Ceed ceed) {
20b11824b3SJeremy L Thompson char *resource_root;
2146b50f9eSZach Atkins Ceed ceed_shared, ceed_ref;
22ca735530SJeremy L Thompson Ceed_Cuda *data;
23ca735530SJeremy L Thompson
24bc246734SJeremy L Thompson CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root));
256574a04fSJeremy L Thompson CeedCheck(!strcmp(resource_root, "/gpu/cuda") || !strcmp(resource_root, "/gpu/cuda/gen"), ceed, CEED_ERROR_BACKEND,
266574a04fSJeremy L Thompson "Cuda backend cannot use resource: %s", resource);
272b730f8bSJeremy L Thompson CeedCallBackend(CeedFree(&resource_root));
28241a4b83SYohann
292b730f8bSJeremy L Thompson CeedCallBackend(CeedCalloc(1, &data));
302b730f8bSJeremy L Thompson CeedCallBackend(CeedSetData(ceed, data));
31eb7e6cafSJeremy L Thompson CeedCallBackend(CeedInit_Cuda(ceed, resource));
32abfaacbbSSander Arens
335a5594ffSJeremy L Thompson CeedCallBackend(CeedInit("/gpu/cuda/shared", &ceed_shared));
34b2165e7aSSebastian Grimberg CeedCallBackend(CeedSetDelegate(ceed, ceed_shared));
359bc66399SJeremy L Thompson CeedCallBackend(CeedDestroy(&ceed_shared));
366dbfb411Snbeams
3746b50f9eSZach Atkins CeedCallBackend(CeedInit("/gpu/cuda/ref", &ceed_ref));
3846b50f9eSZach Atkins CeedCallBackend(CeedSetOperatorFallbackCeed(ceed, ceed_ref));
3946b50f9eSZach Atkins CeedCallBackend(CeedDestroy(&ceed_ref));
40ccaff030SJeremy L Thompson
412b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Cuda_gen));
422b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Cuda_gen));
43c99afcd8SJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "CompositeOperatorCreate", CeedOperatorCreate_Cuda_gen));
448b97b69aSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreateAtPoints", CeedOperatorCreate_Cuda_gen));
452b730f8bSJeremy L Thompson CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda));
46e15f9bd0SJeremy L Thompson return CEED_ERROR_SUCCESS;
47241a4b83SYohann }
48241a4b83SYohann
49ab213215SJeremy L Thompson //------------------------------------------------------------------------------
50ab213215SJeremy L Thompson // Register backend
51ab213215SJeremy L Thompson //------------------------------------------------------------------------------
CeedRegister_Cuda_Gen(void)522b730f8bSJeremy L Thompson CEED_INTERN int CeedRegister_Cuda_Gen(void) { return CeedRegister("/gpu/cuda/gen", CeedInit_Cuda_gen, 20); }
532a86cc9dSSebastian Grimberg
54ab213215SJeremy L Thompson //------------------------------------------------------------------------------
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