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0c18794e 1/** @file\r
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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
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6Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r
7This program and the accompanying materials\r
8are licensed and made available under the terms and conditions of the BSD License\r
9which accompanies this distribution. The full text of the license may be found at\r
0c18794e 10http://opensource.org/licenses/bsd-license.php\r
11\r
b3548d32 12THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
0c18794e 13WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
14\r
15**/\r
16\r
17#ifndef __PEI_LOCK_PHYSICAL_PRESENCE_H__\r
18#define __PEI_LOCK_PHYSICAL_PRESENCE_H__\r
19\r
20///\r
b3548d32 21/// Global ID for the PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID.\r
0c18794e 22///\r
23#define PEI_LOCK_PHYSICAL_PRESENCE_PPI_GUID \\r
24 { \\r
25 0xef9aefe5, 0x2bd3, 0x4031, { 0xaf, 0x7d, 0x5e, 0xfe, 0x5a, 0xbb, 0x9a, 0xd } \\r
26 }\r
27\r
28///\r
29/// Forward declaration for the PEI_LOCK_PHYSICAL_PRESENCE_PPI\r
30///\r
31typedef struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI PEI_LOCK_PHYSICAL_PRESENCE_PPI;\r
32\r
33/**\r
34 This interface returns whether TPM physical presence needs be locked.\r
35\r
36 @param[in] PeiServices The pointer to the PEI Services Table.\r
37\r
38 @retval TRUE The TPM physical presence should be locked.\r
39 @retval FALSE The TPM physical presence cannot be locked.\r
40\r
41**/\r
42typedef\r
43BOOLEAN\r
44(EFIAPI *PEI_LOCK_PHYSICAL_PRESENCE)(\r
45 IN CONST EFI_PEI_SERVICES **PeiServices\r
46);\r
47\r
48///\r
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49/// This service abstracts TPM physical presence lock interface. It is necessary for\r
50/// safety to convey this information to the TPM driver so that TPM physical presence\r
51/// can be locked as early as possible. This PPI is produced by a platform specific\r
0c18794e 52/// PEIM and consumed by the TPM PEIM.\r
53///\r
54struct _PEI_LOCK_PHYSICAL_PRESENCE_PPI {\r
55 PEI_LOCK_PHYSICAL_PRESENCE LockPhysicalPresence;\r
56};\r
57\r
58extern EFI_GUID gPeiLockPhysicalPresencePpiGuid;\r
59\r
b3548d32 60#endif // __PEI_LOCK_PHYSICAL_PRESENCE_H__\r