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- /** @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
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