1*6ca0f394SUmesh Unnikrishnan // Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors. 2*6ca0f394SUmesh Unnikrishnan // All Rights Reserved. See the top-level LICENSE and NOTICE files for details. 3*6ca0f394SUmesh Unnikrishnan // 4*6ca0f394SUmesh Unnikrishnan // SPDX-License-Identifier: BSD-2-Clause 5*6ca0f394SUmesh Unnikrishnan // 6*6ca0f394SUmesh Unnikrishnan // This file is part of CEED: http://github.com/ceed 7*6ca0f394SUmesh Unnikrishnan 8*6ca0f394SUmesh Unnikrishnan #include "ceed-sycl-gen.hpp" 9*6ca0f394SUmesh Unnikrishnan 10*6ca0f394SUmesh Unnikrishnan #include <ceed/backend.h> 11*6ca0f394SUmesh Unnikrishnan #include <ceed/ceed.h> 12*6ca0f394SUmesh Unnikrishnan 13*6ca0f394SUmesh Unnikrishnan #include <string> 14*6ca0f394SUmesh Unnikrishnan #include <string_view> 15*6ca0f394SUmesh Unnikrishnan #include <string.h> 16*6ca0f394SUmesh Unnikrishnan 17*6ca0f394SUmesh Unnikrishnan //------------------------------------------------------------------------------ 18*6ca0f394SUmesh Unnikrishnan // Backend init 19*6ca0f394SUmesh Unnikrishnan //------------------------------------------------------------------------------ 20*6ca0f394SUmesh Unnikrishnan static int CeedInit_Sycl_gen(const char *resource, Ceed ceed) { 21*6ca0f394SUmesh Unnikrishnan char *resource_root; 22*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedGetResourceRoot(ceed, resource, ":device_id=", &resource_root)); 23*6ca0f394SUmesh Unnikrishnan if (strcmp(resource_root, "/gpu/sycl") && strcmp(resource_root, "/gpu/sycl/gen")) { 24*6ca0f394SUmesh Unnikrishnan // LCOV_EXCL_START 25*6ca0f394SUmesh Unnikrishnan return CeedError(ceed, CEED_ERROR_BACKEND, "Sycl backend cannot use resource: %s", resource); 26*6ca0f394SUmesh Unnikrishnan // LCOV_EXCL_STOP 27*6ca0f394SUmesh Unnikrishnan } 28*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedFree(&resource_root)); 29*6ca0f394SUmesh Unnikrishnan 30*6ca0f394SUmesh Unnikrishnan Ceed_Sycl *data; 31*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedCalloc(1, &data)); 32*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedSetData(ceed, data)); 33*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedInit_Sycl(ceed, resource)); 34*6ca0f394SUmesh Unnikrishnan 35*6ca0f394SUmesh Unnikrishnan Ceed ceed_shared; 36*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedInit("/gpu/sycl/shared", &ceed_shared)); 37*6ca0f394SUmesh Unnikrishnan 38*6ca0f394SUmesh Unnikrishnan Ceed_Sycl *shared_data; 39*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedGetData(ceed_shared, &shared_data)); 40*6ca0f394SUmesh Unnikrishnan // Need to use the same queue everywhere for correct synchronization 41*6ca0f394SUmesh Unnikrishnan shared_data->sycl_queue = data->sycl_queue; 42*6ca0f394SUmesh Unnikrishnan 43*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedSetDelegate(ceed, ceed_shared)); 44*6ca0f394SUmesh Unnikrishnan 45*6ca0f394SUmesh Unnikrishnan const char fallbackresource[] = "/gpu/sycl/ref"; 46*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedSetOperatorFallbackResource(ceed, fallbackresource)); 47*6ca0f394SUmesh Unnikrishnan 48*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "QFunctionCreate", CeedQFunctionCreate_Sycl_gen)); 49*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "OperatorCreate", CeedOperatorCreate_Sycl_gen)); 50*6ca0f394SUmesh Unnikrishnan CeedCallBackend(CeedSetBackendFunctionCpp(ceed, "Ceed", ceed, "Destroy", CeedDestroy_Sycl)); 51*6ca0f394SUmesh Unnikrishnan return CEED_ERROR_SUCCESS; 52*6ca0f394SUmesh Unnikrishnan } 53*6ca0f394SUmesh Unnikrishnan 54*6ca0f394SUmesh Unnikrishnan //------------------------------------------------------------------------------ 55*6ca0f394SUmesh Unnikrishnan // Register backend 56*6ca0f394SUmesh Unnikrishnan //------------------------------------------------------------------------------ 57*6ca0f394SUmesh Unnikrishnan CEED_INTERN int CeedRegister_Sycl_Gen(void) { return CeedRegister("/gpu/sycl/gen", CeedInit_Sycl_gen, 20); } 58*6ca0f394SUmesh Unnikrishnan 59*6ca0f394SUmesh Unnikrishnan //------------------------------------------------------------------------------ 60