1 /** @file 2 3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 6 This program and the accompanying materials are licensed and made available under 7 8 the terms and conditions of the BSD License that accompanies this distribution. 9 10 The full text of the license may be found at 11 12 http://opensource.org/licenses/bsd-license.php. 13 14 15 16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 18 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 20 21 22 23 Module Name: 24 25 26 IdccInfo.c 27 28 Abstract: 29 30 Platform information used by IDCC. 31 32 Revision History 33 34 --*/ WriteIdccInfo()35 36 #include "PlatformDxe.h" 37 38 #include <Guid/IdccData.h> 39 40 extern EFI_GUID mPlatformDriverGuid; 41 42 43 EFI_STATUS 44 WriteIdccInfo ( 45 ) 46 { 47 EFI_STATUS Status; 48 EFI_DATA_HUB_PROTOCOL *DataHub; 49 UINT8 Ratio; 50 EFI_IDCC_PROCESSOR_RATIO ProcRatio; 51 52 // 53 // Locate the data hub protocol 54 // 55 Status = gBS->LocateProtocol ( 56 &gEfiDataHubProtocolGuid, 57 NULL, 58 (VOID **) &DataHub 59 ); 60 61 // 62 // Find processor actual ratio 63 // 64 Ratio = 15; //Temporary - some dummy value. 65 66 // 67 // Fill in IDCC Type 5 structure 68 // 69 ProcRatio.IdccHeader.Type = EFI_IDCC_PROC_RATIO_TYPE; 70 ProcRatio.IdccHeader.RecordLength = sizeof(EFI_IDCC_PROCESSOR_RATIO); 71 ProcRatio.ProcessorRatio = Ratio; 72 73 // 74 // Write data to the data hub 75 // 76 Status = DataHub->LogData ( 77 DataHub, 78 &gIdccDataHubGuid, 79 &mPlatformDriverGuid, 80 EFI_DATA_RECORD_CLASS_DATA, 81 &ProcRatio, 82 sizeof(EFI_IDCC_PROCESSOR_RATIO) 83 ); 84 85 return Status; 86 } 87