xref: /libCEED/backends/hip-shared/ceed-hip-shared.c (revision 7b87cde0397b48cc601e25bb3ecac5ddabea754c)
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.h>
11 #include <ceed/backend.h>
12 #include <stdbool.h>
13 #include <string.h>
14 
15 #include "../hip/ceed-hip-common.h"
16 
17 //------------------------------------------------------------------------------
18 // Backend init
19 //------------------------------------------------------------------------------
20 static int CeedInit_Hip_shared(const char *resource, Ceed ceed) {
21   char *resource_root;
22   CeedCallBackend(CeedHipGetResourceRoot(ceed, resource, &resource_root));
23   if (strcmp(resource_root, "/gpu/hip/shared")) {
24     // LCOV_EXCL_START
25     return CeedError(ceed, CEED_ERROR_BACKEND, "Hip backend cannot use resource: %s", resource);
26     // LCOV_EXCL_STOP
27   }
28   CeedCallBackend(CeedFree(&resource_root));
29   CeedCallBackend(CeedSetDeterministic(ceed, true));
30 
31   Ceed_Hip *data;
32   CeedCallBackend(CeedCalloc(1, &data));
33   CeedCallBackend(CeedSetData(ceed, data));
34   CeedCallBackend(CeedHipInit(ceed, resource));
35 
36   Ceed ceed_ref;
37   CeedCallBackend(CeedInit("/gpu/hip/ref", &ceed_ref));
38   CeedCallBackend(CeedSetDelegate(ceed, ceed_ref));
39 
40   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", CeedBasisCreateTensorH1_Hip_shared));
41   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Hip));
42   return CEED_ERROR_SUCCESS;
43 }
44 
45 //------------------------------------------------------------------------------
46 // Register backend
47 //------------------------------------------------------------------------------
48 CEED_INTERN int CeedRegister_Hip_Shared(void) { return CeedRegister("/gpu/hip/shared", CeedInit_Hip_shared, 25); }
49 //------------------------------------------------------------------------------
50