0c18794ea4
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
|
|
This file defines the lock physical Presence PPI. This PPI is
|
|
produced by a platform specific PEIM and consumed by the TPM
|
|
PEIM.
|
|
|
|
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#ifndef __PEI_LOCK_PHYSICAL_PRESENCE_H__
|
|
#define __PEI_LOCK_PHYSICAL_PRESENCE_H__
|
|
|
|
///
|
|
/// Global ID for the PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID.
|
|
///
|
|
#define PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID \
|
|
{ \
|
|
0xef9aefe5, 0x2bd3, 0x4031, { 0xaf, 0x7d, 0x5e, 0xfe, 0x5a, 0xbb, 0x9a, 0xd } \
|
|
}
|
|
|
|
///
|
|
/// Forward declaration for the PEI_LOCK_PHYSICAL_PRESENCE_PPI
|
|
///
|
|
typedef struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI PEI_LOCK_PHYSICAL_PRESENCE_PPI;
|
|
|
|
/**
|
|
This interface returns whether TPM physical presence needs be locked.
|
|
|
|
@param[in] PeiServices The pointer to the PEI Services Table.
|
|
|
|
@retval TRUE The TPM physical presence should be locked.
|
|
@retval FALSE The TPM physical presence cannot be locked.
|
|
|
|
**/
|
|
typedef
|
|
BOOLEAN
|
|
(EFIAPI *PEI_LOCK_PHYSICAL_PRESENCE)(
|
|
IN CONST EFI_PEI_SERVICES **PeiServices
|
|
);
|
|
|
|
///
|
|
/// This service abstracts TPM physical presence lock interface. It is necessary for
|
|
/// safety to convey this information to the TPM driver so that TPM physical presence
|
|
/// can be locked as early as possible. This PPI is produced by a platform specific
|
|
/// PEIM and consumed by the TPM PEIM.
|
|
///
|
|
struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI {
|
|
PEI_LOCK_PHYSICAL_PRESENCE LockPhysicalPresence;
|
|
};
|
|
|
|
extern EFI_GUID gPeiLockPhysicalPresencePpiGuid;
|
|
|
|
#endif // __PEI_LOCK_PHYSICAL_PRESENCE_H__
|