diff options
Diffstat (limited to 'src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/IndustryStandard/MemoryOverwriteRequestControlLock.h')
-rw-r--r-- | src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/IndustryStandard/MemoryOverwriteRequestControlLock.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/IndustryStandard/MemoryOverwriteRequestControlLock.h b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/IndustryStandard/MemoryOverwriteRequestControlLock.h new file mode 100644 index 0000000000..415c134779 --- /dev/null +++ b/src/vendorcode/intel/edk2/UDK2017/MdePkg/Include/IndustryStandard/MemoryOverwriteRequestControlLock.h @@ -0,0 +1,43 @@ +/** @file + Support for Microsoft Secure MOR implementation, defined at + Microsoft Secure MOR implementation. + https://msdn.microsoft.com/en-us/library/windows/hardware/mt270973(v=vs.85).aspx + + Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR> + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which accompanies this distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_H__ +#define __MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_H__ + +#define MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_GUID \ + { \ + 0xBB983CCF, 0x151D, 0x40E1, {0xA0, 0x7B, 0x4A, 0x17, 0xBE, 0x16, 0x82, 0x92} \ + } + +#define MEMORY_OVERWRITE_REQUEST_CONTROL_LOCK_NAME L"MemoryOverwriteRequestControlLock" + +// +// VendorGuid: {BB983CCF-151D-40E1-A07B-4A17BE168292} +// Name: MemoryOverwriteRequestControlLock +// Attributes: NV+BS+RT +// GetVariable value in Data parameter: 0x0 (unlocked); 0x1 (locked without key); 0x2 (locked with key) +// SetVariable value in Data parameter: 0x0 (unlocked); 0x1 (locked); +// Revision 2 additionally accepts an 8-byte value that represents a shared secret key. +// + +// +// Note: Setting MemoryOverwriteRequestControlLock does not commit to flash (just changes the internal lock state). +// Getting the variable returns the internal state and never exposes the key. +// + +extern EFI_GUID gEfiMemoryOverwriteRequestControlLockGuid; + +#endif |