xref: /libCEED/rust/libceed-sys/c-src/backends/hip-gen/ceed-hip-gen.c (revision f87d896ccdb3ae7eb58212d71cf20ac055d48f9d)
17d8d0e25Snbeams // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC.
27d8d0e25Snbeams // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707.
37d8d0e25Snbeams // All Rights reserved. See files LICENSE and NOTICE for details.
47d8d0e25Snbeams //
57d8d0e25Snbeams // This file is part of CEED, a collection of benchmarks, miniapps, software
67d8d0e25Snbeams // libraries and APIs for efficient high-order finite element and spectral
77d8d0e25Snbeams // element discretizations for exascale applications. For more information and
87d8d0e25Snbeams // source code availability see http://github.com/ceed.
97d8d0e25Snbeams //
107d8d0e25Snbeams // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC,
117d8d0e25Snbeams // a collaborative effort of two U.S. Department of Energy organizations (Office
127d8d0e25Snbeams // of Science and the National Nuclear Security Administration) responsible for
137d8d0e25Snbeams // the planning and preparation of a capable exascale ecosystem, including
147d8d0e25Snbeams // software, applications, hardware, advanced system engineering and early
157d8d0e25Snbeams // testbed platforms, in support of the nation's exascale computing imperative.
167d8d0e25Snbeams 
17ec3da8bcSJed Brown #include <ceed/ceed.h>
18ec3da8bcSJed Brown #include <ceed/backend.h>
197d8d0e25Snbeams #include <string.h>
207d8d0e25Snbeams #include "ceed-hip-gen.h"
217d8d0e25Snbeams 
227d8d0e25Snbeams //------------------------------------------------------------------------------
237d8d0e25Snbeams // Backend init
247d8d0e25Snbeams //------------------------------------------------------------------------------
257d8d0e25Snbeams static int CeedInit_Hip_gen(const char *resource, Ceed ceed) {
267d8d0e25Snbeams   int ierr;
27*f87d896cSJeremy L Thompson 
28*f87d896cSJeremy L Thompson   if (strcmp(resource, "/gpu/hip") && strcmp(resource, "/gpu/hip/gen"))
297d8d0e25Snbeams     // LCOV_EXCL_START
30e15f9bd0SJeremy L Thompson     return CeedError(ceed, CEED_ERROR_BACKEND,
31e15f9bd0SJeremy L Thompson                      "Hip backend cannot use resource: %s", resource);
327d8d0e25Snbeams   // LCOV_EXCL_STOP
337d8d0e25Snbeams 
346dbfb411Snbeams   Ceed_Hip *data;
35e15f9bd0SJeremy L Thompson   ierr = CeedCalloc(1, &data); CeedChkBackend(ierr);
36e15f9bd0SJeremy L Thompson   ierr = CeedSetData(ceed, data); CeedChkBackend(ierr);
37*f87d896cSJeremy L Thompson   ierr = CeedHipInit(ceed, resource); CeedChkBackend(ierr);
387d8d0e25Snbeams 
396dbfb411Snbeams   Ceed ceedshared;
406dbfb411Snbeams   CeedInit("/gpu/hip/shared", &ceedshared);
416dbfb411Snbeams   ierr = CeedSetDelegate(ceed, ceedshared); CeedChkBackend(ierr);
426dbfb411Snbeams 
437d8d0e25Snbeams   const char fallbackresource[] = "/gpu/hip/ref";
44e15f9bd0SJeremy L Thompson   ierr = CeedSetOperatorFallbackResource(ceed, fallbackresource);
45e15f9bd0SJeremy L Thompson   CeedChkBackend(ierr);
467d8d0e25Snbeams 
477d8d0e25Snbeams   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate",
48e15f9bd0SJeremy L Thompson                                 CeedQFunctionCreate_Hip_gen); CeedChkBackend(ierr);
497d8d0e25Snbeams   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate",
50e15f9bd0SJeremy L Thompson                                 CeedOperatorCreate_Hip_gen); CeedChkBackend(ierr);
517d8d0e25Snbeams   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy",
52e15f9bd0SJeremy L Thompson                                 CeedDestroy_Hip); CeedChkBackend(ierr);
53e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
547d8d0e25Snbeams }
557d8d0e25Snbeams 
567d8d0e25Snbeams //------------------------------------------------------------------------------
577d8d0e25Snbeams // Register backend
587d8d0e25Snbeams //------------------------------------------------------------------------------
591d013790SJed Brown CEED_INTERN int CeedRegister_Hip_Gen(void) {
601d013790SJed Brown   return CeedRegister("/gpu/hip/gen", CeedInit_Hip_gen, 20);
617d8d0e25Snbeams }
627d8d0e25Snbeams //------------------------------------------------------------------------------
63