/** @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__ |