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70c7664c JY |
1 | /** @file\r |
2 | Support for Microsoft Secure MOR implementation, defined at \r | |
3 | Microsoft Secure MOR implementation.\r | |
4 | https://msdn.microsoft.com/en-us/library/windows/hardware/mt270973(v=vs.85).aspx\r | |
5 | \r | |
31a9d3b4 | 6 | Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r |
70c7664c JY |
7 | This program and the accompanying materials\r |
8 | are licensed and made available under the terms and conditions of the BSD License\r | |
9 | which accompanies this distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #ifndef __MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_H__\r | |
18 | #define __MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_H__\r | |
19 | \r | |
20 | #define MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_GUID \\r | |
21 | { \\r | |
22 | 0xBB983CCF, 0x151D, 0x40E1, {0xA0, 0x7B, 0x4A, 0x17, 0xBE, 0x16, 0x82, 0x92} \\r | |
23 | }\r | |
24 | \r | |
25 | #define MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_NAME L"MemoryOverwriteRequestControlLock"\r | |
26 | \r | |
27 | //\r | |
28 | // VendorGuid: {BB983CCF-151D-40E1-A07B-4A17BE168292}\r | |
29 | // Name: MemoryOverwriteRequestControlLock\r | |
30 | // Attributes: NV+BS+RT\r | |
31a9d3b4 JY |
31 | // GetVariable value in Data parameter: 0x0 (unlocked); 0x1 (locked without key); 0x2 (locked with key)\r |
32 | // SetVariable value in Data parameter: 0x0 (unlocked); 0x1 (locked);\r | |
33 | // Revision 2 additionally accepts an 8-byte value that represents a shared secret key.\r | |
70c7664c | 34 | //\r |
31a9d3b4 JY |
35 | \r |
36 | //\r | |
37 | // Note: Setting MemoryOverwriteRequestControlLock does not commit to flash (just changes the internal lock state).\r | |
38 | // Getting the variable returns the internal state and never exposes the key.\r | |
70c7664c JY |
39 | //\r |
40 | \r | |
41 | extern EFI_GUID gEfiMemoryOverwriteRequestControlLockGuid;\r | |
42 | \r | |
43 | #endif\r |