xref: /libCEED/backends/hip-shared/ceed-hip-shared.c (revision 2459f3f1cd4d7d2e210e1c26d669bd2fde41a0b6)
1 // Copyright (c) 2017-2022, 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/ceed.h>
9 #include <ceed/backend.h>
10 #include <stdbool.h>
11 #include <string.h>
12 #include "ceed-hip-shared.h"
13 
14 //------------------------------------------------------------------------------
15 // Backend init
16 //------------------------------------------------------------------------------
17 static int CeedInit_Hip_shared(const char *resource, Ceed ceed) {
18   int ierr;
19 
20   if (strcmp(resource, "/gpu/hip/shared"))
21     // LCOV_EXCL_START
22     return CeedError(ceed, CEED_ERROR_BACKEND,
23                      "Hip backend cannot use resource: %s", resource);
24   // LCOV_EXCL_STOP
25   ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr);
26 
27   Ceed_Hip *data;
28   ierr = CeedCalloc(1, &data); CeedChkBackend(ierr);
29   ierr = CeedSetData(ceed, data); CeedChkBackend(ierr);
30   ierr = CeedHipInit(ceed, resource); CeedChkBackend(ierr);
31 
32   Ceed ceed_ref;
33   CeedInit("/gpu/hip/ref", &ceed_ref);
34   ierr = CeedSetDelegate(ceed, ceed_ref); CeedChkBackend(ierr);
35 
36   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1",
37                                 CeedBasisCreateTensorH1_Hip_shared);
38   CeedChkBackend(ierr);
39   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy",
40                                 CeedDestroy_Hip); CeedChkBackend(ierr);
41   CeedChkBackend(ierr);
42   return CEED_ERROR_SUCCESS;
43 }
44 
45 //------------------------------------------------------------------------------
46 // Register backend
47 //------------------------------------------------------------------------------
48 CEED_INTERN int CeedRegister_Hip_Shared(void) {
49   return CeedRegister("/gpu/hip/shared", CeedInit_Hip_shared, 25);
50 }
51 //------------------------------------------------------------------------------
52