| /** @file | |
| Define the variable data structures used for TCG2 physical presence. | |
| The TPM2 request from firmware or OS is saved to variable. And it is | |
| cleared after it is processed in the next boot cycle. The TPM2 response | |
| is saved to variable. | |
| Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved. <BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #ifndef __TCG2_PHYSICAL_PRESENCE_DATA_GUID_H__ | |
| #define __TCG2_PHYSICAL_PRESENCE_DATA_GUID_H__ | |
| #define EFI_TCG2_PHYSICAL_PRESENCE_DATA_GUID \ | |
| { \ | |
| 0xaeb9c5c1, 0x94f1, 0x4d02, { 0xbf, 0xd9, 0x46, 0x2, 0xdb, 0x2d, 0x3c, 0x54 } \ | |
| } | |
| #define TCG2_PHYSICAL_PRESENCE_VARIABLE L"Tcg2PhysicalPresence" | |
| typedef struct { | |
| UINT8 PPRequest; ///< Physical Presence request command. | |
| UINT32 PPRequestParameter; ///< Physical Presence request Parameter. | |
| UINT8 LastPPRequest; | |
| UINT32 PPResponse; | |
| } EFI_TCG2_PHYSICAL_PRESENCE; | |
| // | |
| // This variable is used to save TCG2 Management Flags and corresponding operations. | |
| // It should be protected from malicious software (e.g. Set it as read-only variable). | |
| // | |
| #define TCG2_PHYSICAL_PRESENCE_FLAGS_VARIABLE L"Tcg2PhysicalPresenceFlags" | |
| typedef struct { | |
| UINT32 PPFlags; | |
| } EFI_TCG2_PHYSICAL_PRESENCE_FLAGS; | |
| extern EFI_GUID gEfiTcg2PhysicalPresenceGuid; | |
| #endif |