mirror of https://github.com/acidanthera/audk.git
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/** @file
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Define the variable data structures used for TCG2 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) 2015 - 2018, Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __TCG2_PHYSICAL_PRESENCE_DATA_GUID_H__
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#define __TCG2_PHYSICAL_PRESENCE_DATA_GUID_H__
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#define EFI_TCG2_PHYSICAL_PRESENCE_DATA_GUID \
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{ \
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0xaeb9c5c1, 0x94f1, 0x4d02, { 0xbf, 0xd9, 0x46, 0x2, 0xdb, 0x2d, 0x3c, 0x54 } \
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}
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#define TCG2_PHYSICAL_PRESENCE_VARIABLE L"Tcg2PhysicalPresence"
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typedef struct {
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UINT8 PPRequest; ///< Physical Presence request command.
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UINT32 PPRequestParameter; ///< Physical Presence request Parameter.
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UINT8 LastPPRequest;
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UINT32 PPResponse;
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} EFI_TCG2_PHYSICAL_PRESENCE;
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//
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// This variable is used to save TCG2 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 TCG2_PHYSICAL_PRESENCE_FLAGS_VARIABLE L"Tcg2PhysicalPresenceFlags"
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typedef struct {
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UINT32 PPFlags;
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} EFI_TCG2_PHYSICAL_PRESENCE_FLAGS;
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extern EFI_GUID gEfiTcg2PhysicalPresenceGuid;
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#endif
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