/** @file | |
Define the variable data structures used for TCG physical presence. | |
The TPM request from firmware or OS is saved to variable. And it is | |
cleared after it is processed in the next boot cycle. The TPM response | |
is saved to variable. | |
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#ifndef __PHYSICAL_PRESENCE_DATA_GUID_H__ | |
#define __PHYSICAL_PRESENCE_DATA_GUID_H__ | |
#define EFI_PHYSICAL_PRESENCE_DATA_GUID \ | |
{ \ | |
0xf6499b1, 0xe9ad, 0x493d, { 0xb9, 0xc2, 0x2f, 0x90, 0x81, 0x5c, 0x6c, 0xbc }\ | |
} | |
#define PHYSICAL_PRESENCE_VARIABLE L"PhysicalPresence" | |
typedef struct { | |
UINT8 PPRequest; ///< Physical Presence request command. | |
UINT8 LastPPRequest; | |
UINT32 PPResponse; | |
} EFI_PHYSICAL_PRESENCE; | |
// | |
// The definition of physical presence operation actions | |
// | |
#define PHYSICAL_PRESENCE_NO_ACTION 0 | |
#define PHYSICAL_PRESENCE_ENABLE 1 | |
#define PHYSICAL_PRESENCE_DISABLE 2 | |
#define PHYSICAL_PRESENCE_ACTIVATE 3 | |
#define PHYSICAL_PRESENCE_DEACTIVATE 4 | |
#define PHYSICAL_PRESENCE_CLEAR 5 | |
#define PHYSICAL_PRESENCE_ENABLE_ACTIVATE 6 | |
#define PHYSICAL_PRESENCE_DEACTIVATE_DISABLE 7 | |
#define PHYSICAL_PRESENCE_SET_OWNER_INSTALL_TRUE 8 | |
#define PHYSICAL_PRESENCE_SET_OWNER_INSTALL_FALSE 9 | |
#define PHYSICAL_PRESENCE_ENABLE_ACTIVATE_OWNER_TRUE 10 | |
#define PHYSICAL_PRESENCE_DEACTIVATE_DISABLE_OWNER_FALSE 11 | |
#define PHYSICAL_PRESENCE_DEFERRED_PP_UNOWNERED_FIELD_UPGRADE 12 | |
#define PHYSICAL_PRESENCE_SET_OPERATOR_AUTH 13 | |
#define PHYSICAL_PRESENCE_CLEAR_ENABLE_ACTIVATE 14 | |
#define PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_FALSE 15 | |
#define PHYSICAL_PRESENCE_SET_NO_PPI_PROVISION_TRUE 16 | |
#define PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE 17 | |
#define PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE 18 | |
#define PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_FALSE 19 | |
#define PHYSICAL_PRESENCE_SET_NO_PPI_MAINTENANCE_TRUE 20 | |
#define PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR 21 | |
#define PHYSICAL_PRESENCE_ENABLE_ACTIVATE_CLEAR_ENABLE_ACTIVATE 22 | |
// | |
// This variable is used to save TPM Management Flags and corresponding operations. | |
// It should be protected from malicious software (e.g. Set it as read-only variable). | |
// | |
#define PHYSICAL_PRESENCE_FLAGS_VARIABLE L"PhysicalPresenceFlags" | |
typedef struct { | |
UINT8 PPFlags; | |
} EFI_PHYSICAL_PRESENCE_FLAGS; | |
// | |
// The definition bit of the TPM Management Flags | |
// | |
#define FLAG_NO_PPI_PROVISION BIT0 | |
#define FLAG_NO_PPI_CLEAR BIT1 | |
#define FLAG_NO_PPI_MAINTENANCE BIT2 | |
#define FLAG_RESET_TRACK BIT3 | |
extern EFI_GUID gEfiPhysicalPresenceGuid; | |
#endif |