1 /** @file 2 Define the variable data structures used for TCG physical presence. 3 The TPM request from firmware or OS is saved to variable. And it is 4 cleared after it is processed in the next boot cycle. The TPM response 5 is saved to variable. 6 7 Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> 8 This program and the accompanying materials 9 are licensed and made available under the terms and conditions of the BSD License 10 which accompanies this distribution. The full text of the license may be found at 11 http://opensource.org/licenses/bsd-license.php 12 13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 15 16 **/ 17 18 #ifndef __PHYSICAL_PRESENCE_DATA_GUID_H__ 19 #define __PHYSICAL_PRESENCE_DATA_GUID_H__ 20 21 #define EFI_PHYSICAL_PRESENCE_DATA_GUID \ 22 { \ 23 0xf6499b1, 0xe9ad, 0x493d, { 0xb9, 0xc2, 0x2f, 0x90, 0x81, 0x5c, 0x6c, 0xbc }\ 24 } 25 26 #define PHYSICAL_PRESENCE_VARIABLE L"PhysicalPresence" 27 28 typedef struct { 29 UINT8 PPRequest; ///< Physical Presence request command. 30 UINT8 LastPPRequest; 31 UINT32 PPResponse; 32 } EFI_PHYSICAL_PRESENCE; 33 34 // 35 // The definition of physical presence operation actions 36 // 37 #define PHYSICAL_PRESENCE_NO_ACTION 0 38 #define PHYSICAL_PRESENCE_ENABLE 1 39 #define PHYSICAL_PRESENCE_DISABLE 2 40 #define PHYSICAL_PRESENCE_ACTIVATE 3 41 #define PHYSICAL_PRESENCE_DEACTIVATE 4 42 #define PHYSICAL_PRESENCE_CLEAR 5 43 #define PHYSICAL_PRESENCE_ENABLE_ACTIVATE 6 44 #define PHYSICAL_PRESENCE_DEACTIVATE_DISABLE 7 45 #define PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE 8 46 #define PHYSICAL_PRESENCE_SET_OWNER_INSTALL_FALSE 9 47 #define PHYSICAL_PRESENCE_ENABLE_ACTIVATE_OWNER_TRUE 10 48 #define PHYSICAL_PRESENCE_DEACTIVATE_DISABLE_OWNER_FALSE 11 49 #define PHYSICAL_PRESENCE_DEFERRED_PP_UNOWNERED_FIELD_UPGRADE 12 50 #define PHYSICAL_PRESENCE_SET_OPERATOR_AUTH 13 51 #define PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE 14 52 #define PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_FALSE 15 53 #define PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_TRUE 16 54 #define PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE 17 55 #define PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE 18 56 #define PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE 19 57 #define PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_TRUE 20 58 #define PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR 21 59 #define PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE 22 60 61 // 62 // This variable is used to save TPM Management Flags and corresponding operations. 63 // It should be protected from malicious software (e.g. Set it as read-only variable). 64 // 65 #define PHYSICAL_PRESENCE_FLAGS_VARIABLE L"PhysicalPresenceFlags" 66 typedef struct { 67 UINT8 PPFlags; 68 } EFI_PHYSICAL_PRESENCE_FLAGS; 69 70 // 71 // The definition bit of the TPM Management Flags 72 // 73 #define FLAG_NO_PPI_PROVISION BIT0 74 #define FLAG_NO_PPI_CLEAR BIT1 75 #define FLAG_NO_PPI_MAINTENANCE BIT2 76 #define FLAG_RESET_TRACK BIT3 77 78 extern EFI_GUID gEfiPhysicalPresenceGuid; 79 80 #endif 81 82