xref: /libCEED/backends/hip-shared/ceed-hip-shared.c (revision d310b3d31eeeddd20725517a3a61881a36d919f0)
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-hip-shared.h"
9 
10 #include <ceed/backend.h>
11 #include <ceed/ceed.h>
12 #include <stdbool.h>
13 #include <string.h>
14 
15 //------------------------------------------------------------------------------
16 // Backend init
17 //------------------------------------------------------------------------------
18 static int CeedInit_Hip_shared(const char *resource, Ceed ceed) {
19   char *resource_root;
20   CeedCallBackend(CeedHipGetResourceRoot(ceed, resource, &resource_root));
21   if (strcmp(resource_root, "/gpu/hip/shared")) {
22     // LCOV_EXCL_START
23     return CeedError(ceed, CEED_ERROR_BACKEND, "Hip backend cannot use resource: %s", resource);
24     // LCOV_EXCL_STOP
25   }
26   CeedCallBackend(CeedFree(&resource_root));
27   CeedCallBackend(CeedSetDeterministic(ceed, true));
28 
29   Ceed_Hip *data;
30   CeedCallBackend(CeedCalloc(1, &data));
31   CeedCallBackend(CeedSetData(ceed, data));
32   CeedCallBackend(CeedHipInit(ceed, resource));
33 
34   Ceed ceed_ref;
35   CeedCallBackend(CeedInit("/gpu/hip/ref", &ceed_ref));
36   CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
37 
38   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Hip_shared));
39   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Hip));
40   return CEED_ERROR_SUCCESS;
41 }
42 
43 //------------------------------------------------------------------------------
44 // Register backend
45 //------------------------------------------------------------------------------
46 CEED_INTERN int CeedRegister_Hip_Shared(void) { return CeedRegister("/gpu/hip/shared", CeedInit_Hip_shared, 25); }
47 //------------------------------------------------------------------------------
48