MdePkg/Include/IndustryStandard/WindowsSmmSecurityMitigationTable.h

   1 /** @file
   2   Defines Windows SMM Security Mitigation Table
   3   @ https://msdn.microsoft.com/windows/hardware/drivers/bringup/acpi-system-description-tables#wsmt
   4
   5   Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16
  17 #ifndef _WINDOWS_SMM_SECURITY_MITIGATION_TABLE_H_
  18 #define _WINDOWS_SMM_SECURITY_MITIGATION_TABLE_H_
  19
  20 #include <IndustryStandard/Acpi.h>
  21
  22 #define EFI_ACPI_WINDOWS_SMM_SECURITY_MITIGATION_TABLE_SIGNATURE  SIGNATURE_32('W', 'S', 'M', 'T')
  23
  24 #pragma pack(1)
  25
  26 #define EFI_WSMT_TABLE_REVISION  1
  27
  28 typedef struct {
  29   EFI_ACPI_DESCRIPTION_HEADER Header;
  30   UINT32                      ProtectionFlags;
  31 } EFI_ACPI_WSMT_TABLE;
  32
  33 #define EFI_WSMT_PROTECTION_FLAGS_FIXED_COMM_BUFFERS                   0x1
  34 #define EFI_WSMT_PROTECTION_FLAGS_COMM_BUFFER_NESTED_PTR_PROTECTION    0x2
  35 #define EFI_WSMT_PROTECTION_FLAGS_SYSTEM_RESOURCE_PROTECTION           0x4
  36
  37 #pragma pack()
  38
  39 #endif