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-cuda-gen.h" 9 10 #include <ceed.h> 11 #include <ceed/backend.h> 12 #include <string.h> 13 14 #include "../cuda/ceed-cuda-common.h" 15 16 //------------------------------------------------------------------------------ 17 // Backend init 18 //------------------------------------------------------------------------------ 19 static int CeedInit_Cuda_gen(const char *resource, Ceed ceed) { 20 char *resource_root; 21 const char fallback_resource[] = "/gpu/cuda/ref"; 22 Ceed ceed_shared; 23 Ceed_Cuda *data; 24 25 CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":", &resource_root)); 26 CeedCheck(!strcmp(resource_root, "/gpu/cuda") || !strcmp(resource_root, "/gpu/cuda/gen"), ceed, CEED_ERROR_BACKEND, 27 "Cuda backend cannot use resource: %s", resource); 28 CeedCallBackend(CeedFree(&resource_root)); 29 30 CeedCallBackend(CeedCalloc(1, &data)); 31 CeedCallBackend(CeedSetData(ceed, data)); 32 CeedCallBackend(CeedInit_Cuda(ceed, resource)); 33 34 CeedCall(CeedInit("/gpu/cuda/shared", &ceed_shared)); 35 CeedCallBackend(CeedSetDelegate(ceed, ceed_shared)); 36 37 CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallback_resource)); 38 39 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Cuda_gen)); 40 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Cuda_gen)); 41 CeedCallBackend(CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Cuda)); 42 return CEED_ERROR_SUCCESS; 43 } 44 45 //------------------------------------------------------------------------------ 46 // Register backend 47 //------------------------------------------------------------------------------ 48 CEED_INTERN int CeedRegister_Cuda_Gen(void) { return CeedRegister("/gpu/cuda/gen", CeedInit_Cuda_gen, 20); } 49 50 //------------------------------------------------------------------------------ 51