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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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