MemoryOverwriteRequestControlLock.h

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#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