mirror of https://github.com/acidanthera/audk.git
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
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/** @file
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Define the variable data structures used for TrEE physical presence.
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The TPM2 request from firmware or OS is saved to variable. And it is
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cleared after it is processed in the next boot cycle. The TPM2 response
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is saved to variable.
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Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __TREE_PHYSICAL_PRESENCE_DATA_GUID_H__
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#define __TREE_PHYSICAL_PRESENCE_DATA_GUID_H__
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#define EFI_TREE_PHYSICAL_PRESENCE_DATA_GUID \
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{ \
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0xf24643c2, 0xc622, 0x494e, { 0x8a, 0xd, 0x46, 0x32, 0x57, 0x9c, 0x2d, 0x5b }\
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}
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#define TREE_PHYSICAL_PRESENCE_VARIABLE L"TrEEPhysicalPresence"
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typedef struct {
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UINT8 PPRequest; ///< Physical Presence request command.
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UINT8 LastPPRequest;
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UINT32 PPResponse;
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} EFI_TREE_PHYSICAL_PRESENCE;
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//
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// The definition bit of the flags
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//
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#define TREE_FLAG_NO_PPI_CLEAR BIT1
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#define TREE_FLAG_RESET_TRACK BIT3
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//
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// This variable is used to save TPM Management Flags and corresponding operations.
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// It should be protected from malicious software (e.g. Set it as read-only variable).
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//
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#define TREE_PHYSICAL_PRESENCE_FLAGS_VARIABLE L"TrEEPhysicalPresenceFlags"
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//
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// The definition of physical presence operation actions
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//
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#define TREE_PHYSICAL_PRESENCE_NO_ACTION 0
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#define TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR 5
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#define TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR_2 14
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#define TREE_PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_FALSE 17
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#define TREE_PHYSICAL_PRESENCE_SET_NO_PPI_CLEAR_TRUE 18
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#define TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR_3 21
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#define TREE_PHYSICAL_PRESENCE_CLEAR_CONTROL_CLEAR_4 22
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#define TREE_PHYSICAL_PRESENCE_NO_ACTION_MAX 22
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extern EFI_GUID gEfiTrEEPhysicalPresenceGuid;
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#endif
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