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0c18794e | 1 | /** @file\r |
b3548d32 LG |
2 | This file defines the lock physical Presence PPI. This PPI is\r |
3 | produced by a platform specific PEIM and consumed by the TPM\r | |
0c18794e | 4 | PEIM.\r |
5 | \r | |
b3548d32 | 6 | Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r |
289b714b | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
0c18794e | 8 | \r |
9 | **/\r | |
10 | \r | |
11 | #ifndef __PEI_LOCK_PHYSICAL_PRESENCE_H__\r | |
12 | #define __PEI_LOCK_PHYSICAL_PRESENCE_H__\r | |
13 | \r | |
14 | ///\r | |
b3548d32 | 15 | /// Global ID for the PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID.\r |
0c18794e | 16 | ///\r |
17 | #define PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID \\r | |
18 | { \\r | |
19 | 0xef9aefe5, 0x2bd3, 0x4031, { 0xaf, 0x7d, 0x5e, 0xfe, 0x5a, 0xbb, 0x9a, 0xd } \\r | |
20 | }\r | |
21 | \r | |
22 | ///\r | |
23 | /// Forward declaration for the PEI_LOCK_PHYSICAL_PRESENCE_PPI\r | |
24 | ///\r | |
25 | typedef struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI PEI_LOCK_PHYSICAL_PRESENCE_PPI;\r | |
26 | \r | |
27 | /**\r | |
28 | This interface returns whether TPM physical presence needs be locked.\r | |
29 | \r | |
30 | @param[in] PeiServices The pointer to the PEI Services Table.\r | |
31 | \r | |
32 | @retval TRUE The TPM physical presence should be locked.\r | |
33 | @retval FALSE The TPM physical presence cannot be locked.\r | |
34 | \r | |
35 | **/\r | |
36 | typedef\r | |
37 | BOOLEAN\r | |
38 | (EFIAPI *PEI_LOCK_PHYSICAL_PRESENCE)(\r | |
39 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
40 | );\r | |
41 | \r | |
42 | ///\r | |
b3548d32 LG |
43 | /// This service abstracts TPM physical presence lock interface. It is necessary for\r |
44 | /// safety to convey this information to the TPM driver so that TPM physical presence\r | |
45 | /// can be locked as early as possible. This PPI is produced by a platform specific\r | |
0c18794e | 46 | /// PEIM and consumed by the TPM PEIM.\r |
47 | ///\r | |
48 | struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI {\r | |
49 | PEI_LOCK_PHYSICAL_PRESENCE LockPhysicalPresence;\r | |
50 | };\r | |
51 | \r | |
52 | extern EFI_GUID gPeiLockPhysicalPresencePpiGuid;\r | |
53 | \r | |
b3548d32 | 54 | #endif // __PEI_LOCK_PHYSICAL_PRESENCE_H__\r |