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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12261 6f19259b-4bc3-4df7-8a09-765794883524
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/** @file
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This file defines the lock physical Presence PPI. This PPI is
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produced by a platform specific PEIM and consumed by the TPM
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PEIM.
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Copyright (c) 2011, 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 __PEI_LOCK_PHYSICAL_PRESENCE_H__
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#define __PEI_LOCK_PHYSICAL_PRESENCE_H__
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///
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/// Global ID for the PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID.
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///
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#define PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID \
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{ \
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0xef9aefe5, 0x2bd3, 0x4031, { 0xaf, 0x7d, 0x5e, 0xfe, 0x5a, 0xbb, 0x9a, 0xd } \
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}
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///
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/// Forward declaration for the PEI_LOCK_PHYSICAL_PRESENCE_PPI
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///
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typedef struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI PEI_LOCK_PHYSICAL_PRESENCE_PPI;
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/**
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This interface returns whether TPM physical presence needs be locked.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@retval TRUE The TPM physical presence should be locked.
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@retval FALSE The TPM physical presence cannot be locked.
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**/
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typedef
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BOOLEAN
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(EFIAPI *PEI_LOCK_PHYSICAL_PRESENCE)(
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IN CONST EFI_PEI_SERVICES **PeiServices
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);
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///
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/// This service abstracts TPM physical presence lock interface. It is necessary for
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/// safety to convey this information to the TPM driver so that TPM physical presence
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/// can be locked as early as possible. This PPI is produced by a platform specific
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/// PEIM and consumed by the TPM PEIM.
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///
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struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI {
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PEI_LOCK_PHYSICAL_PRESENCE LockPhysicalPresence;
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};
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extern EFI_GUID gPeiLockPhysicalPresencePpiGuid;
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#endif // __PEI_LOCK_PHYSICAL_PRESENCE_H__
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