diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Ppi/LockPhysicalPresence.h')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Ppi/LockPhysicalPresence.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Ppi/LockPhysicalPresence.h b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Ppi/LockPhysicalPresence.h new file mode 100644 index 00000000..a5e2199d --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Ppi/LockPhysicalPresence.h @@ -0,0 +1,54 @@ +/** @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__ |