xref: /libCEED/backends/hip-gen/ceed-hip-gen.c (revision 2b730f8b5a9c809740a0b3b302db43a719c636b1)
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-gen.h"
9 
10 #include <ceed/backend.h>
11 #include <ceed/ceed.h>
12 #include <string.h>
13 
14 //------------------------------------------------------------------------------
15 // Backend init
16 //------------------------------------------------------------------------------
17 static int CeedInit_Hip_gen(const char *resource, Ceed ceed) {
18   char *resource_root;
19   CeedCallBackend(CeedHipGetResourceRoot(ceed, resource, &resource_root));
20   if (strcmp(resource_root, "/gpu/hip") && strcmp(resource_root, "/gpu/hip/gen")) {
21     // LCOV_EXCL_START
22     return CeedError(ceed, CEED_ERROR_BACKEND, "Hip backend cannot use resource: %s", resource);
23     // LCOV_EXCL_STOP
24   }
25   CeedCallBackend(CeedFree(&resource_root));
26 
27   Ceed_Hip *data;
28   CeedCallBackend(CeedCalloc(1, &data));
29   CeedCallBackend(CeedSetData(ceed, data));
30   CeedCallBackend(CeedHipInit(ceed, resource));
31 
32   Ceed ceedshared;
33   CeedCallBackend(CeedInit("/gpu/hip/shared", &ceedshared));
34   CeedCallBackend(CeedSetDelegate(ceed, ceedshared));
35 
36   const char fallbackresource[] = "/gpu/hip/ref";
37   CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource));
38 
39   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Hip_gen));
40   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Hip_gen));
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_Gen(void) { return CeedRegister("/gpu/hip/gen", CeedInit_Hip_gen, 20); }
49 //------------------------------------------------------------------------------
50