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/ceed.h> 9 #include <ceed/backend.h> 10 #include <string.h> 11 #include <stdlib.h> 12 #include "ceed-hip-ref.h" 13 14 //------------------------------------------------------------------------------ 15 // HIP preferred MemType 16 //------------------------------------------------------------------------------ 17 static int CeedGetPreferredMemType_Hip(CeedMemType *type) { 18 *type = CEED_MEM_DEVICE; 19 return CEED_ERROR_SUCCESS; 20 } 21 22 //------------------------------------------------------------------------------ 23 // Get hipBLAS handle 24 //------------------------------------------------------------------------------ 25 int CeedHipGetHipblasHandle(Ceed ceed, hipblasHandle_t *handle) { 26 int ierr; 27 Ceed_Hip *data; 28 ierr = CeedGetData(ceed, &data); CeedChkBackend(ierr); 29 30 if (!data->hipblas_handle) { 31 ierr = hipblasCreate(&data->hipblas_handle); CeedChk_Hipblas(ceed, ierr); 32 } 33 *handle = data->hipblas_handle; 34 return CEED_ERROR_SUCCESS; 35 } 36 37 //------------------------------------------------------------------------------ 38 // Backend Init 39 //------------------------------------------------------------------------------ 40 static int CeedInit_Hip(const char *resource, Ceed ceed) { 41 int ierr; 42 43 char *resource_root; 44 ierr = CeedHipGetResourceRoot(ceed, resource, &resource_root); 45 CeedChkBackend(ierr); 46 if (strcmp(resource_root, "/gpu/hip/ref")) 47 // LCOV_EXCL_START 48 return CeedError(ceed, CEED_ERROR_BACKEND, 49 "Hip backend cannot use resource: %s", resource); 50 // LCOV_EXCL_STOP 51 ierr = CeedFree(&resource_root); CeedChkBackend(ierr); 52 ierr = CeedSetDeterministic(ceed, true); CeedChkBackend(ierr); 53 54 Ceed_Hip *data; 55 ierr = CeedCalloc(1, &data); CeedChkBackend(ierr); 56 ierr = CeedSetData(ceed, data); CeedChkBackend(ierr); 57 ierr = CeedHipInit(ceed, resource); CeedChkBackend(ierr); 58 59 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "GetPreferredMemType", 60 CeedGetPreferredMemType_Hip); CeedChkBackend(ierr); 61 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "VectorCreate", 62 CeedVectorCreate_Hip); CeedChkBackend(ierr); 63 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateTensorH1", 64 CeedBasisCreateTensorH1_Hip); CeedChkBackend(ierr); 65 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "BasisCreateH1", 66 CeedBasisCreateH1_Hip); CeedChkBackend(ierr); 67 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "ElemRestrictionCreate", 68 CeedElemRestrictionCreate_Hip); CeedChkBackend(ierr); 69 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, 70 "ElemRestrictionCreateBlocked", 71 CeedElemRestrictionCreateBlocked_Hip); 72 CeedChkBackend(ierr); 73 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionCreate", 74 CeedQFunctionCreate_Hip); CeedChkBackend(ierr); 75 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "QFunctionContextCreate", 76 CeedQFunctionContextCreate_Hip); CeedChkBackend(ierr); 77 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "OperatorCreate", 78 CeedOperatorCreate_Hip); CeedChkBackend(ierr); 79 ierr = CeedSetBackendFunction(ceed, "Ceed", ceed, "Destroy", 80 CeedDestroy_Hip); CeedChkBackend(ierr); 81 return CEED_ERROR_SUCCESS; 82 } 83 84 //------------------------------------------------------------------------------ 85 // Backend Register 86 //------------------------------------------------------------------------------ 87 CEED_INTERN int CeedRegister_Hip(void) { 88 return CeedRegister("/gpu/hip/ref", CeedInit_Hip, 40); 89 } 90 //------------------------------------------------------------------------------ 91