xref: /libCEED/rust/libceed-sys/c-src/backends/cuda-gen/ceed-cuda-gen-qfunction.c (revision d77c2f5d4a529fbf1d1bcf854512200df933820e)
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.
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 
849aac155SJeremy L Thompson #include <ceed.h>
9ec3da8bcSJed Brown #include <ceed/backend.h>
103d576824SJeremy L Thompson #include <cuda_runtime.h>
112b730f8bSJeremy L Thompson 
1249aac155SJeremy L Thompson #include "../cuda/ceed-cuda-common.h"
13241a4b83SYohann #include "ceed-cuda-gen.h"
14241a4b83SYohann 
15ab213215SJeremy L Thompson //------------------------------------------------------------------------------
16ab213215SJeremy L Thompson // Apply QFunction
17ab213215SJeremy L Thompson //------------------------------------------------------------------------------
182b730f8bSJeremy L Thompson static int CeedQFunctionApply_Cuda_gen(CeedQFunction qf, CeedInt Q, CeedVector *U, CeedVector *V) {
196e536b99SJeremy L Thompson   return CeedError(CeedQFunctionReturnCeed(qf), CEED_ERROR_BACKEND, "Backend does not implement QFunctionApply");
20241a4b83SYohann }
21241a4b83SYohann 
22ab213215SJeremy L Thompson //------------------------------------------------------------------------------
23ab213215SJeremy L Thompson // Destroy QFunction
24ab213215SJeremy L Thompson //------------------------------------------------------------------------------
25241a4b83SYohann static int CeedQFunctionDestroy_Cuda_gen(CeedQFunction qf) {
26ca735530SJeremy L Thompson   CeedQFunction_Cuda_gen *data;
27ca735530SJeremy L Thompson 
28ca735530SJeremy L Thompson   CeedCallBackend(CeedQFunctionGetData(qf, &data));
296e536b99SJeremy L Thompson   CeedCallCuda(CeedQFunctionReturnCeed(qf), cudaFree(data->d_c));
3009095acaSJeremy L Thompson   CeedCallBackend(CeedFree(&data->qfunction_source));
312b730f8bSJeremy L Thompson   CeedCallBackend(CeedFree(&data));
32e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
33241a4b83SYohann }
34241a4b83SYohann 
35ab213215SJeremy L Thompson //------------------------------------------------------------------------------
36ab213215SJeremy L Thompson // Create QFunction
37ab213215SJeremy L Thompson //------------------------------------------------------------------------------
38241a4b83SYohann int CeedQFunctionCreate_Cuda_gen(CeedQFunction qf) {
39241a4b83SYohann   Ceed                    ceed;
40241a4b83SYohann   CeedQFunction_Cuda_gen *data;
41ca735530SJeremy L Thompson 
42*d77c2f5dSJeremy L Thompson   CeedCallBackend(CeedQFunctionGetCeed(qf, &ceed));
432b730f8bSJeremy L Thompson   CeedCallBackend(CeedCalloc(1, &data));
442b730f8bSJeremy L Thompson   CeedCallBackend(CeedQFunctionSetData(qf, data));
45241a4b83SYohann 
463d3250a0SJeremy L Thompson   // Read QFunction source
4709095acaSJeremy L Thompson   CeedCallBackend(CeedQFunctionGetKernelName(qf, &data->qfunction_name));
4823d4529eSJeremy L Thompson   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading QFunction User Source -----\n");
4909095acaSJeremy L Thompson   CeedCallBackend(CeedQFunctionLoadSourceToBuffer(qf, &data->qfunction_source));
5023d4529eSJeremy L Thompson   CeedDebug256(ceed, CEED_DEBUG_COLOR_SUCCESS, "----- Loading QFunction User Source Complete! -----\n");
5109095acaSJeremy L Thompson   CeedCheck(data->qfunction_source, ceed, CEED_ERROR_UNSUPPORTED, "/gpu/cuda/gen backend requires QFunction source code file");
52241a4b83SYohann 
532b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Apply", CeedQFunctionApply_Cuda_gen));
542b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "QFunction", qf, "Destroy", CeedQFunctionDestroy_Cuda_gen));
55e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
56241a4b83SYohann }
579e201c85SYohann 
58ab213215SJeremy L Thompson //------------------------------------------------------------------------------
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