xref: /libCEED/rust/libceed-sys/c-src/backends/hip-shared/ceed-hip-shared.c (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
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.
37d8d0e25Snbeams //
43d8e8822SJeremy L Thompson // SPDX-License-Identifier: BSD-2-Clause
57d8d0e25Snbeams //
63d8e8822SJeremy L Thompson // This file is part of CEED:  http://github.com/ceed
77d8d0e25Snbeams 
8*2b730f8bSJeremy L Thompson #include "ceed-hip-shared.h"
9*2b730f8bSJeremy L Thompson 
10ec3da8bcSJed Brown #include <ceed/backend.h>
11*2b730f8bSJeremy L Thompson #include <ceed/ceed.h>
123d576824SJeremy L Thompson #include <stdbool.h>
137d8d0e25Snbeams #include <string.h>
147d8d0e25Snbeams 
157d8d0e25Snbeams //------------------------------------------------------------------------------
167d8d0e25Snbeams // Backend init
177d8d0e25Snbeams //------------------------------------------------------------------------------
187d8d0e25Snbeams static int CeedInit_Hip_shared(const char *resource, Ceed ceed) {
19b11824b3SJeremy L Thompson   char *resource_root;
20*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedHipGetResourceRoot(ceed, resource, &resource_root));
21*2b730f8bSJeremy L Thompson   if (strcmp(resource_root, "/gpu/hip/shared")) {
227d8d0e25Snbeams     // LCOV_EXCL_START
23*2b730f8bSJeremy L Thompson     return CeedError(ceed, CEED_ERROR_BACKEND, "Hip backend cannot use resource: %s", resource);
247d8d0e25Snbeams     // LCOV_EXCL_STOP
25*2b730f8bSJeremy L Thompson   }
26*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedFree(&resource_root));
27*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDeterministic(ceed, true));
287d8d0e25Snbeams 
296dbfb411Snbeams   Ceed_Hip *data;
30*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedCalloc(1, &data));
31*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetData(ceed, data));
32*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedHipInit(ceed, resource));
337d8d0e25Snbeams 
34437930d1SJeremy L Thompson   Ceed ceed_ref;
35*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedInit("/gpu/hip/ref", &ceed_ref));
36*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
376dbfb411Snbeams 
38*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Hip_shared));
39*2b730f8bSJeremy L Thompson   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Hip));
40e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
417d8d0e25Snbeams }
427d8d0e25Snbeams 
437d8d0e25Snbeams //------------------------------------------------------------------------------
447d8d0e25Snbeams // Register backend
457d8d0e25Snbeams //------------------------------------------------------------------------------
46*2b730f8bSJeremy L Thompson CEED_INTERN int CeedRegister_Hip_Shared(void) { return CeedRegister("/gpu/hip/shared", CeedInit_Hip_shared, 25); }
477d8d0e25Snbeams //------------------------------------------------------------------------------
48