xref: /libCEED/backends/hip-gen/ceed-hip-gen-qfunction.c (revision 3d8e882215d238700cdceb37404f76ca7fa24eaa)
1*3d8e8822SJeremy L Thompson // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
2*3d8e8822SJeremy L Thompson // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
37d8d0e25Snbeams //
4*3d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
57d8d0e25Snbeams //
6*3d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
77d8d0e25Snbeams 
8ec3da8bcSJed Brown #include <ceed/ceed.h>
9ec3da8bcSJed Brown #include <ceed/backend.h>
103d576824SJeremy L Thompson #include <hip/hip_runtime.h>
117d8d0e25Snbeams #include <stdio.h>
123d576824SJeremy L Thompson #include <string.h>
137d8d0e25Snbeams #include "ceed-hip-gen.h"
147d8d0e25Snbeams 
157d8d0e25Snbeams //------------------------------------------------------------------------------
167d8d0e25Snbeams // Apply QFunction
177d8d0e25Snbeams //------------------------------------------------------------------------------
187d8d0e25Snbeams static int CeedQFunctionApply_Hip_gen(CeedQFunction qf, CeedInt Q,
197d8d0e25Snbeams                                       CeedVector *U, CeedVector *V) {
207d8d0e25Snbeams   int ierr;
217d8d0e25Snbeams   Ceed ceed;
22e15f9bd0SJeremy L Thompson   ierr = CeedQFunctionGetCeed(qf, &ceed); CeedChkBackend(ierr);
23e15f9bd0SJeremy L Thompson   return CeedError(ceed, CEED_ERROR_BACKEND,
24e15f9bd0SJeremy L Thompson                    "Backend does not implement QFunctionApply");
257d8d0e25Snbeams }
267d8d0e25Snbeams 
277d8d0e25Snbeams //------------------------------------------------------------------------------
287d8d0e25Snbeams // Destroy QFunction
297d8d0e25Snbeams //------------------------------------------------------------------------------
307d8d0e25Snbeams static int CeedQFunctionDestroy_Hip_gen(CeedQFunction qf) {
317d8d0e25Snbeams   int ierr;
327d8d0e25Snbeams   CeedQFunction_Hip_gen *data;
33e15f9bd0SJeremy L Thompson   ierr = CeedQFunctionGetData(qf, &data); CeedChkBackend(ierr);
347d8d0e25Snbeams   Ceed ceed;
35e15f9bd0SJeremy L Thompson   ierr = CeedQFunctionGetCeed(qf, &ceed); CeedChkBackend(ierr);
367d8d0e25Snbeams   ierr = hipFree(data->d_c); CeedChk_Hip(ceed, ierr);
37e15f9bd0SJeremy L Thompson   ierr = CeedFree(&data->qFunctionSource); CeedChkBackend(ierr);
38e15f9bd0SJeremy L Thompson   ierr = CeedFree(&data); CeedChkBackend(ierr);
39e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
407d8d0e25Snbeams }
417d8d0e25Snbeams 
427d8d0e25Snbeams //------------------------------------------------------------------------------
437d8d0e25Snbeams // Create QFunction
447d8d0e25Snbeams //------------------------------------------------------------------------------
457d8d0e25Snbeams int CeedQFunctionCreate_Hip_gen(CeedQFunction qf) {
467d8d0e25Snbeams   int ierr;
477d8d0e25Snbeams   Ceed ceed;
487d8d0e25Snbeams   CeedQFunctionGetCeed(qf, &ceed);
497d8d0e25Snbeams   CeedQFunction_Hip_gen *data;
50e15f9bd0SJeremy L Thompson   ierr = CeedCalloc(1, &data); CeedChkBackend(ierr);
51e15f9bd0SJeremy L Thompson   ierr = CeedQFunctionSetData(qf, data); CeedChkBackend(ierr);
527d8d0e25Snbeams 
533d3250a0SJeremy L Thompson   // Read QFunction source
5443e1b16fSJeremy L Thompson   ierr = CeedQFunctionGetKernelName(qf, &data->qFunctionName);
5543e1b16fSJeremy L Thompson   CeedChkBackend(ierr);
5646dc0734SJeremy L Thompson   CeedDebug256(ceed, 2, "----- Loading QFunction User Source -----\n");
573d3250a0SJeremy L Thompson   ierr = CeedQFunctionLoadSourceToBuffer(qf, &data->qFunctionSource);
583d3250a0SJeremy L Thompson   CeedChkBackend(ierr);
5946dc0734SJeremy L Thompson   CeedDebug256(ceed, 2, "----- Loading QFunction User Source Complete! -----\n");
603d3250a0SJeremy L Thompson   if (!data->qFunctionSource)
613d3250a0SJeremy L Thompson     // LCOV_EXCL_START
623d3250a0SJeremy L Thompson     return CeedError(ceed, CEED_ERROR_UNSUPPORTED,
633d3250a0SJeremy L Thompson                      "/gpu/hip/gen backend requires QFunction source code file");
643d3250a0SJeremy L Thompson   // LCOV_EXCL_STOP
657d8d0e25Snbeams 
667d8d0e25Snbeams   ierr = CeedSetBackendFunction(ceed, "QFunction", qf, "Apply",
67e15f9bd0SJeremy L Thompson                                 CeedQFunctionApply_Hip_gen); CeedChkBackend(ierr);
687d8d0e25Snbeams   ierr = CeedSetBackendFunction(ceed, "QFunction", qf, "Destroy",
69e15f9bd0SJeremy L Thompson                                 CeedQFunctionDestroy_Hip_gen); CeedChkBackend(ierr);
70e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
717d8d0e25Snbeams }
727d8d0e25Snbeams //------------------------------------------------------------------------------
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