xref: /libCEED/rust/libceed-sys/c-src/backends/blocked/ceed-blocked.c (revision ec3da8bcb94d9f0073544b37b5081a06981a86f7)
14a2e7687Sjeremylt // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC.
24a2e7687Sjeremylt // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707.
34a2e7687Sjeremylt // All Rights reserved. See files LICENSE and NOTICE for details.
44a2e7687Sjeremylt //
54a2e7687Sjeremylt // This file is part of CEED, a collection of benchmarks, miniapps, software
64a2e7687Sjeremylt // libraries and APIs for efficient high-order finite element and spectral
74a2e7687Sjeremylt // element discretizations for exascale applications. For more information and
84a2e7687Sjeremylt // source code availability see http://github.com/ceed.
94a2e7687Sjeremylt //
104a2e7687Sjeremylt // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC,
114a2e7687Sjeremylt // a collaborative effort of two U.S. Department of Energy organizations (Office
124a2e7687Sjeremylt // of Science and the National Nuclear Security Administration) responsible for
134a2e7687Sjeremylt // the planning and preparation of a capable exascale ecosystem, including
144a2e7687Sjeremylt // software, applications, hardware, advanced system engineering and early
154a2e7687Sjeremylt // testbed platforms, in support of the nation's exascale computing imperative.
164a2e7687Sjeremylt 
17*ec3da8bcSJed Brown #include <ceed/ceed.h>
18*ec3da8bcSJed Brown #include <ceed/backend.h>
193d576824SJeremy L Thompson #include <stdbool.h>
203d576824SJeremy L Thompson #include <string.h>
214a2e7687Sjeremylt #include "ceed-blocked.h"
224a2e7687Sjeremylt 
23f10650afSjeremylt //------------------------------------------------------------------------------
24f10650afSjeremylt // Backend Init
25f10650afSjeremylt //------------------------------------------------------------------------------
261d013790SJed Brown CEED_INTERN int CeedInit_Blocked(const char *resource, Ceed ceed) {
274ce2993fSjeremylt   int ierr;
284a2e7687Sjeremylt   if (strcmp(resource, "/cpu/self")
29856142e1Sjeremylt       && strcmp(resource, "/cpu/self/ref/blocked"))
30c042f62fSJeremy L Thompson     // LCOV_EXCL_START
31e15f9bd0SJeremy L Thompson     return CeedError(ceed, CEED_ERROR_BACKEND,
32e15f9bd0SJeremy L Thompson                      "Blocked backend cannot use resource: %s", resource);
33c042f62fSJeremy L Thompson   // LCOV_EXCL_STOP
34e15f9bd0SJeremy L Thompson   ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr);
354a2e7687Sjeremylt 
365f67fadeSJeremy L Thompson   // Create reference CEED that implementation will be dispatched
374a2e7687Sjeremylt   //   through unless overridden
386f7d248dSjeremylt   Ceed ceedref;
39856142e1Sjeremylt   CeedInit("/cpu/self/ref/serial", &ceedref);
40e15f9bd0SJeremy L Thompson   ierr = CeedSetDelegate(ceed, ceedref); CeedChkBackend(ierr);
414a2e7687Sjeremylt 
42e2f04181SAndrew T. Barker   // Set fallback CEED resource for advanced operator functionality
43e2f04181SAndrew T. Barker   const char fallbackresource[] = "/cpu/self/ref/serial";
44e2f04181SAndrew T. Barker   ierr = CeedSetOperatorFallbackResource(ceed, fallbackresource);
45e2f04181SAndrew T. Barker   CeedChkBackend(ierr);
46e2f04181SAndrew T. Barker 
47fe2413ffSjeremylt   ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate",
48e15f9bd0SJeremy L Thompson                                 CeedOperatorCreate_Blocked); CeedChkBackend(ierr);
494a2e7687Sjeremylt 
50e15f9bd0SJeremy L Thompson   return CEED_ERROR_SUCCESS;
514a2e7687Sjeremylt }
524a2e7687Sjeremylt 
53f10650afSjeremylt //------------------------------------------------------------------------------
54f10650afSjeremylt // Backend Register
55f10650afSjeremylt //------------------------------------------------------------------------------
561d013790SJed Brown CEED_INTERN int CeedRegister_Ref_Blocked(void) {
571d013790SJed Brown   return CeedRegister("/cpu/self/ref/blocked", CeedInit_Blocked, 55);
584a2e7687Sjeremylt }
59f10650afSjeremylt //------------------------------------------------------------------------------
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