xref: /libCEED/backends/hip-gen/ceed-hip-gen.c (revision edf0491998c1d524f2f70fdd683669b8904cb3b6)
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.h>
11 #include <ceed/backend.h>
12 #include <string.h>
13 
14 #include "../hip/ceed-hip-common.h"
15 
16 //------------------------------------------------------------------------------
17 // Backend init
18 //------------------------------------------------------------------------------
19 static int CeedInit_Hip_gen(const char *resource, Ceed ceed) {
20   char *resource_root;
21   CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root));
22   CeedCheck(!strcmp(resource_root, "/gpu/hip") || !strcmp(resource_root, "/gpu/hip/gen"), ceed, CEED_ERROR_BACKEND,
23             "Hip backend cannot use resource: %s", resource);
24   CeedCallBackend(CeedFree(&resource_root));
25 
26   Ceed_Hip *data;
27   CeedCallBackend(CeedCalloc(1, &data));
28   CeedCallBackend(CeedSetData(ceed, data));
29   CeedCallBackend(CeedInit_Hip(ceed, resource));
30 
31   Ceed ceedshared;
32   CeedCallBackend(CeedInit("/gpu/hip/shared", &ceedshared));
33   CeedCallBackend(CeedSetDelegate(ceed, ceedshared));
34 
35   const char fallbackresource[] = "/gpu/hip/ref";
36   CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource));
37 
38   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Hip_gen));
39   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Hip_gen));
40   CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Hip));
41   return CEED_ERROR_SUCCESS;
42 }
43 
44 //------------------------------------------------------------------------------
45 // Register backend
46 //------------------------------------------------------------------------------
47 CEED_INTERN int CeedRegister_Hip_Gen(void) { return CeedRegister("/gpu/hip/gen", CeedInit_Hip_gen, 20); }
48 
49 //------------------------------------------------------------------------------
50