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/** @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 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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__
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