path: root/MdePkg/Include/IndustryStandard/Acpi40.h

/** @file   
  ACPI 4.0 definitions from the ACPI Specification Revision 4.0a April 5, 2010

  Copyright (c) 2010 - 2011, 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 _ACPI_4_0_H_
#define _ACPI_4_0_H_

#include <IndustryStandard/Acpi30.h>

//
// Ensure proper structure formats
//
#pragma pack(1)

///
/// ACPI 4.0 Generic Address Space definition
///
typedef struct {
  UINT8   AddressSpaceId;
  UINT8   RegisterBitWidth;
  UINT8   RegisterBitOffset;
  UINT8   AccessSize;
  UINT64  Address;
} EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE;

//
// Generic Address Space Address IDs
//
#define EFI_ACPI_4_0_SYSTEM_MEMORY              0
#define EFI_ACPI_4_0_SYSTEM_IO                  1
#define EFI_ACPI_4_0_PCI_CONFIGURATION_SPACE    2
#define EFI_ACPI_4_0_EMBEDDED_CONTROLLER        3
#define EFI_ACPI_4_0_SMBUS                      4
#define EFI_ACPI_4_0_FUNCTIONAL_FIXED_HARDWARE  0x7F

//
// Generic Address Space Access Sizes
//
#define EFI_ACPI_4_0_UNDEFINED  0
#define EFI_ACPI_4_0_BYTE       1
#define EFI_ACPI_4_0_WORD       2
#define EFI_ACPI_4_0_DWORD      3
#define EFI_ACPI_4_0_QWORD      4

//
// ACPI 4.0 table structures
//

///
/// Root System Description Pointer Structure
///
typedef struct {
  UINT64  Signature;
  UINT8   Checksum;
  UINT8   OemId[6];
  UINT8   Revision;
  UINT32  RsdtAddress;
  UINT32  Length;
  UINT64  XsdtAddress;
  UINT8   ExtendedChecksum;
  UINT8   Reserved[3];
} EFI_ACPI_4_0_ROOT_SYSTEM_DESCRIPTION_POINTER;

///
/// RSD_PTR Revision (as defined in ACPI 4.0b spec.)
///
#define EFI_ACPI_4_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION 0x02  ///< ACPISpec (Revision 4.0a) says current value is 2

///
/// Common table header, this prefaces all ACPI tables, including FACS, but
/// excluding the RSD PTR structure
///
typedef struct {
  UINT32  Signature;
  UINT32  Length;
} EFI_ACPI_4_0_COMMON_HEADER;

//
// Root System Description Table
// No definition needed as it is a common description table header, the same with 
// EFI_ACPI_DESCRIPTION_HEADER, followed by a variable number of UINT32 table pointers.
//

///
/// RSDT Revision (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_ROOT_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01

//
// Extended System Description Table
// No definition needed as it is a common description table header, the same with 
// EFI_ACPI_DESCRIPTION_HEADER, followed by a variable number of UINT64 table pointers.
//

///
/// XSDT Revision (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01

///
/// Fixed ACPI Description Table Structure (FADT)
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER             Header;
  UINT32                                  FirmwareCtrl;
  UINT32                                  Dsdt;
  UINT8                                   Reserved0;
  UINT8                                   PreferredPmProfile;
  UINT16                                  SciInt;
  UINT32                                  SmiCmd;
  UINT8                                   AcpiEnable;
  UINT8                                   AcpiDisable;
  UINT8                                   S4BiosReq;
  UINT8                                   PstateCnt;
  UINT32                                  Pm1aEvtBlk;
  UINT32                                  Pm1bEvtBlk;
  UINT32                                  Pm1aCntBlk;
  UINT32                                  Pm1bCntBlk;
  UINT32                                  Pm2CntBlk;
  UINT32                                  PmTmrBlk;
  UINT32                                  Gpe0Blk;
  UINT32                                  Gpe1Blk;
  UINT8                                   Pm1EvtLen;
  UINT8                                   Pm1CntLen;
  UINT8                                   Pm2CntLen;
  UINT8                                   PmTmrLen;
  UINT8                                   Gpe0BlkLen;
  UINT8                                   Gpe1BlkLen;
  UINT8                                   Gpe1Base;
  UINT8                                   CstCnt;
  UINT16                                  PLvl2Lat;
  UINT16                                  PLvl3Lat;
  UINT16                                  FlushSize;
  UINT16                                  FlushStride;
  UINT8                                   DutyOffset;
  UINT8                                   DutyWidth;
  UINT8                                   DayAlrm;
  UINT8                                   MonAlrm;
  UINT8                                   Century;
  UINT16                                  IaPcBootArch;
  UINT8                                   Reserved1;
  UINT32                                  Flags;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  ResetReg;
  UINT8                                   ResetValue;
  UINT8                                   Reserved2[3];
  UINT64                                  XFirmwareCtrl;
  UINT64                                  XDsdt;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XPm1aEvtBlk;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XPm1bEvtBlk;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XPm1aCntBlk;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XPm1bCntBlk;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XPm2CntBlk;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XPmTmrBlk;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XGpe0Blk;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  XGpe1Blk;
} EFI_ACPI_4_0_FIXED_ACPI_DESCRIPTION_TABLE;

///
/// FADT Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION  0x04

//
// Fixed ACPI Description Table Preferred Power Management Profile
//
#define EFI_ACPI_4_0_PM_PROFILE_UNSPECIFIED         0
#define EFI_ACPI_4_0_PM_PROFILE_DESKTOP             1
#define EFI_ACPI_4_0_PM_PROFILE_MOBILE              2
#define EFI_ACPI_4_0_PM_PROFILE_WORKSTATION         3
#define EFI_ACPI_4_0_PM_PROFILE_ENTERPRISE_SERVER   4
#define EFI_ACPI_4_0_PM_PROFILE_SOHO_SERVER         5
#define EFI_ACPI_4_0_PM_PROFILE_APPLIANCE_PC        6
#define EFI_ACPI_4_0_PM_PROFILE_PERFORMANCE_SERVER  7

//
// Fixed ACPI Description Table Boot Architecture Flags
// All other bits are reserved and must be set to 0.
//
#define EFI_ACPI_4_0_LEGACY_DEVICES              BIT0
#define EFI_ACPI_4_0_8042                        BIT1
#define EFI_ACPI_4_0_VGA_NOT_PRESENT             BIT2
#define EFI_ACPI_4_0_MSI_NOT_SUPPORTED           BIT3
#define EFI_ACPI_4_0_PCIE_ASPM_CONTROLS          BIT4

//
// Fixed ACPI Description Table Fixed Feature Flags
// All other bits are reserved and must be set to 0.
//
#define EFI_ACPI_4_0_WBINVD                                 BIT0
#define EFI_ACPI_4_0_WBINVD_FLUSH                           BIT1
#define EFI_ACPI_4_0_PROC_C1                                BIT2
#define EFI_ACPI_4_0_P_LVL2_UP                              BIT3
#define EFI_ACPI_4_0_PWR_BUTTON                             BIT4
#define EFI_ACPI_4_0_SLP_BUTTON                             BIT5
#define EFI_ACPI_4_0_FIX_RTC                                BIT6
#define EFI_ACPI_4_0_RTC_S4                                 BIT7
#define EFI_ACPI_4_0_TMR_VAL_EXT                            BIT8
#define EFI_ACPI_4_0_DCK_CAP                                BIT9
#define EFI_ACPI_4_0_RESET_REG_SUP                          BIT10
#define EFI_ACPI_4_0_SEALED_CASE                            BIT11
#define EFI_ACPI_4_0_HEADLESS                               BIT12
#define EFI_ACPI_4_0_CPU_SW_SLP                             BIT13
#define EFI_ACPI_4_0_PCI_EXP_WAK                            BIT14
#define EFI_ACPI_4_0_USE_PLATFORM_CLOCK                     BIT15
#define EFI_ACPI_4_0_S4_RTC_STS_VALID                       BIT16
#define EFI_ACPI_4_0_REMOTE_POWER_ON_CAPABLE                BIT17
#define EFI_ACPI_4_0_FORCE_APIC_CLUSTER_MODEL               BIT18
#define EFI_ACPI_4_0_FORCE_APIC_PHYSICAL_DESTINATION_MODE   BIT19

///
/// Firmware ACPI Control Structure
///
typedef struct {
  UINT32  Signature;
  UINT32  Length;
  UINT32  HardwareSignature;
  UINT32  FirmwareWakingVector;
  UINT32  GlobalLock;
  UINT32  Flags;
  UINT64  XFirmwareWakingVector;
  UINT8   Version;
  UINT8   Reserved0[3];
  UINT32  OspmFlags;
  UINT8   Reserved1[24];
} EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE;

///
/// FACS Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION  0x02

///
/// Firmware Control Structure Feature Flags
/// All other bits are reserved and must be set to 0.
///
#define EFI_ACPI_4_0_S4BIOS_F                     BIT0
#define EFI_ACPI_4_0_64BIT_WAKE_SUPPORTED_F       BIT1

///
/// OSPM Enabled Firmware Control Structure Flags
/// All other bits are reserved and must be set to 0.
///
#define EFI_ACPI_4_0_OSPM_64BIT_WAKE__F           BIT0

//
// Differentiated System Description Table,
// Secondary System Description Table
// and Persistent System Description Table,
// no definition needed as they are common description table header, the same with
// EFI_ACPI_DESCRIPTION_HEADER, followed by a definition block.
//
#define EFI_ACPI_4_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_REVISION   0x02
#define EFI_ACPI_4_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_REVISION        0x02

///
/// Multiple APIC Description Table header definition.  The rest of the table
/// must be defined in a platform specific manner.
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      LocalApicAddress;
  UINT32                      Flags;
} EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER;

///
/// MADT Revision (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION 0x03

///
/// Multiple APIC Flags
/// All other bits are reserved and must be set to 0.
///
#define EFI_ACPI_4_0_PCAT_COMPAT         BIT0

//
// Multiple APIC Description Table APIC structure types
// All other values between 0x0B an 0xFF are reserved and
// will be ignored by OSPM.
//
#define EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC           0x00
#define EFI_ACPI_4_0_IO_APIC                        0x01
#define EFI_ACPI_4_0_INTERRUPT_SOURCE_OVERRIDE      0x02
#define EFI_ACPI_4_0_NON_MASKABLE_INTERRUPT_SOURCE  0x03
#define EFI_ACPI_4_0_LOCAL_APIC_NMI                 0x04
#define EFI_ACPI_4_0_LOCAL_APIC_ADDRESS_OVERRIDE    0x05
#define EFI_ACPI_4_0_IO_SAPIC                       0x06
#define EFI_ACPI_4_0_LOCAL_SAPIC                    0x07
#define EFI_ACPI_4_0_PLATFORM_INTERRUPT_SOURCES     0x08
#define EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC         0x09
#define EFI_ACPI_4_0_LOCAL_X2APIC_NMI               0x0A

//
// APIC Structure Definitions
//

///
/// Processor Local APIC Structure Definition
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   AcpiProcessorId;
  UINT8   ApicId;
  UINT32  Flags;
} EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_STRUCTURE;

///
/// Local APIC Flags.  All other bits are reserved and must be 0.
///
#define EFI_ACPI_4_0_LOCAL_APIC_ENABLED        BIT0

///
/// IO APIC Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   IoApicId;
  UINT8   Reserved;
  UINT32  IoApicAddress;
  UINT32  GlobalSystemInterruptBase;
} EFI_ACPI_4_0_IO_APIC_STRUCTURE;

///
/// Interrupt Source Override Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   Bus;
  UINT8   Source;
  UINT32  GlobalSystemInterrupt;
  UINT16  Flags;
} EFI_ACPI_4_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE;

///
/// Platform Interrupt Sources Structure Definition
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT16  Flags;
  UINT8   InterruptType;
  UINT8   ProcessorId;
  UINT8   ProcessorEid;
  UINT8   IoSapicVector;
  UINT32  GlobalSystemInterrupt;
  UINT32  PlatformInterruptSourceFlags;
  UINT8   CpeiProcessorOverride;
  UINT8   Reserved[31];
} EFI_ACPI_4_0_PLATFORM_INTERRUPT_APIC_STRUCTURE;

//
// MPS INTI flags.
// All other bits are reserved and must be set to 0.
//
#define EFI_ACPI_4_0_POLARITY      (3 << 0)
#define EFI_ACPI_4_0_TRIGGER_MODE  (3 << 2)

///
/// Non-Maskable Interrupt Source Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT16  Flags;
  UINT32  GlobalSystemInterrupt;
} EFI_ACPI_4_0_NON_MASKABLE_INTERRUPT_SOURCE_STRUCTURE;

///
/// Local APIC NMI Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   AcpiProcessorId;
  UINT16  Flags;
  UINT8   LocalApicLint;
} EFI_ACPI_4_0_LOCAL_APIC_NMI_STRUCTURE;

///
/// Local APIC Address Override Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT16  Reserved;
  UINT64  LocalApicAddress;
} EFI_ACPI_4_0_LOCAL_APIC_ADDRESS_OVERRIDE_STRUCTURE;

///
/// IO SAPIC Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   IoApicId;
  UINT8   Reserved;
  UINT32  GlobalSystemInterruptBase;
  UINT64  IoSapicAddress;
} EFI_ACPI_4_0_IO_SAPIC_STRUCTURE;

///
/// Local SAPIC Structure
/// This struct followed by a null-terminated ASCII string - ACPI Processor UID String
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   AcpiProcessorId;
  UINT8   LocalSapicId;
  UINT8   LocalSapicEid;
  UINT8   Reserved[3];
  UINT32  Flags;
  UINT32  ACPIProcessorUIDValue;
} EFI_ACPI_4_0_PROCESSOR_LOCAL_SAPIC_STRUCTURE;

///
/// Platform Interrupt Sources Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT16  Flags;
  UINT8   InterruptType;
  UINT8   ProcessorId;
  UINT8   ProcessorEid;
  UINT8   IoSapicVector;
  UINT32  GlobalSystemInterrupt;
  UINT32  PlatformInterruptSourceFlags;
} EFI_ACPI_4_0_PLATFORM_INTERRUPT_SOURCES_STRUCTURE;

///
/// Platform Interrupt Source Flags.
/// All other bits are reserved and must be set to 0.
///
#define EFI_ACPI_4_0_CPEI_PROCESSOR_OVERRIDE          BIT0

///
/// Processor Local x2APIC Structure Definition
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   Reserved[2];
  UINT32  X2ApicId;
  UINT32  Flags;
  UINT32  AcpiProcessorUid;
} EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_STRUCTURE;

///
/// Local x2APIC NMI Structure
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT16  Flags;
  UINT32  AcpiProcessorUid;
  UINT8   LocalX2ApicLint;
  UINT8   Reserved[3];
} EFI_ACPI_4_0_LOCAL_X2APIC_NMI_STRUCTURE;

///
/// Smart Battery Description Table (SBST)
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      WarningEnergyLevel;
  UINT32                      LowEnergyLevel;
  UINT32                      CriticalEnergyLevel;
} EFI_ACPI_4_0_SMART_BATTERY_DESCRIPTION_TABLE;

///
/// SBST Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_SMART_BATTERY_DESCRIPTION_TABLE_REVISION 0x01

///
/// Embedded Controller Boot Resources Table (ECDT)
/// The table is followed by a null terminated ASCII string that contains
/// a fully qualified reference to the name space object.
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER             Header;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  EcControl;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE  EcData;
  UINT32                                  Uid;
  UINT8                                   GpeBit;
} EFI_ACPI_4_0_EMBEDDED_CONTROLLER_BOOT_RESOURCES_TABLE;

///
/// ECDT Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_EMBEDDED_CONTROLLER_BOOT_RESOURCES_TABLE_REVISION  0x01

///
/// System Resource Affinity Table (SRAT.  The rest of the table
/// must be defined in a platform specific manner.
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      Reserved1;  ///< Must be set to 1
  UINT64                      Reserved2;
} EFI_ACPI_4_0_SYSTEM_RESOURCE_AFFINITY_TABLE_HEADER;

///
/// SRAT Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_SYSTEM_RESOURCE_AFFINITY_TABLE_REVISION  0x03

//
// SRAT structure types.
// All other values between 0x03 an 0xFF are reserved and
// will be ignored by OSPM.
//
#define EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_SAPIC_AFFINITY  0x00
#define EFI_ACPI_4_0_MEMORY_AFFINITY                      0x01
#define EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_AFFINITY      0x02

///
/// Processor Local APIC/SAPIC Affinity Structure Definition
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   ProximityDomain7To0;
  UINT8   ApicId;
  UINT32  Flags;
  UINT8   LocalSapicEid;
  UINT8   ProximityDomain31To8[3];
  UINT32  ClockDomain;
} EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_SAPIC_AFFINITY_STRUCTURE;

///
/// Local APIC/SAPIC Flags.  All other bits are reserved and must be 0.
///
#define EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_SAPIC_ENABLED (1 << 0)

///
/// Memory Affinity Structure Definition
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT32  ProximityDomain;
  UINT16  Reserved1;
  UINT32  AddressBaseLow;
  UINT32  AddressBaseHigh;
  UINT32  LengthLow;
  UINT32  LengthHigh;
  UINT32  Reserved2;
  UINT32  Flags;
  UINT64  Reserved3;
} EFI_ACPI_4_0_MEMORY_AFFINITY_STRUCTURE;

//
// Memory Flags.  All other bits are reserved and must be 0.
//
#define EFI_ACPI_4_0_MEMORY_ENABLED       (1 << 0)
#define EFI_ACPI_4_0_MEMORY_HOT_PLUGGABLE (1 << 1)
#define EFI_ACPI_4_0_MEMORY_NONVOLATILE   (1 << 2)

///
/// Processor Local x2APIC Affinity Structure Definition
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   Reserved1[2];
  UINT32  ProximityDomain;
  UINT32  X2ApicId;
  UINT32  Flags;
  UINT32  ClockDomain;
  UINT8   Reserved2[4];
} EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_AFFINITY_STRUCTURE;

///
/// System Locality Distance Information Table (SLIT).
/// The rest of the table is a matrix.
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT64                      NumberOfSystemLocalities;
} EFI_ACPI_4_0_SYSTEM_LOCALITY_DISTANCE_INFORMATION_TABLE_HEADER;

///
/// SLIT Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_SYSTEM_LOCALITY_DISTANCE_INFORMATION_TABLE_REVISION  0x01

///
/// Corrected Platform Error Polling Table (CPEP)
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT8                       Reserved[8];
} EFI_ACPI_4_0_CORRECTED_PLATFORM_ERROR_POLLING_TABLE_HEADER;

///
/// CPEP Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_CORRECTED_PLATFORM_ERROR_POLLING_TABLE_REVISION 0x01

//
// CPEP processor structure types.
//
#define EFI_ACPI_4_0_CPEP_PROCESSOR_APIC_SAPIC  0x00

///
/// Corrected Platform Error Polling Processor Structure Definition
///
typedef struct {
  UINT8   Type;
  UINT8   Length;
  UINT8   ProcessorId;
  UINT8   ProcessorEid;
  UINT32  PollingInterval;
} EFI_ACPI_4_0_CPEP_PROCESSOR_APIC_SAPIC_STRUCTURE;

///
/// Maximum System Characteristics Table (MSCT)
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      OffsetProxDomInfo;
  UINT32                      MaximumNumberOfProximityDomains;
  UINT32                      MaximumNumberOfClockDomains;
  UINT64                      MaximumPhysicalAddress;
} EFI_ACPI_4_0_MAXIMUM_SYSTEM_CHARACTERISTICS_TABLE_HEADER;

///
/// MSCT Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_MAXIMUM_SYSTEM_CHARACTERISTICS_TABLE_REVISION 0x01

///
/// Maximum Proximity Domain Information Structure Definition
///
typedef struct {
  UINT8   Revision;
  UINT8   Length;
  UINT32  ProximityDomainRangeLow;
  UINT32  ProximityDomainRangeHigh;
  UINT32  MaximumProcessorCapacity;
  UINT64  MaximumMemoryCapacity;
} EFI_ACPI_4_0_MAXIMUM_PROXIMITY_DOMAIN_INFORMATION_STRUCTURE;

///
/// Boot Error Record Table (BERT)
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      BootErrorRegionLength;
  UINT64                      BootErrorRegion;
} EFI_ACPI_4_0_BOOT_ERROR_RECORD_TABLE_HEADER;

///
/// BERT Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_BOOT_ERROR_RECORD_TABLE_REVISION 0x01

///
/// Boot Error Region Block Status Definition
///
typedef struct {
  UINT32       UncorrectableErrorValid:1;
  UINT32       CorrectableErrorValid:1;
  UINT32       MultipleUncorrectableErrors:1;
  UINT32       MultipleCorrectableErrors:1;
  UINT32       ErrorDataEntryCount:10;
  UINT32       Reserved:18;
} EFI_ACPI_4_0_ERROR_BLOCK_STATUS;

///
/// Boot Error Region Definition
///
typedef struct {
  EFI_ACPI_4_0_ERROR_BLOCK_STATUS              BlockStatus;
  UINT32                                       RawDataOffset;
  UINT32                                       RawDataLength;
  UINT32                                       DataLength;
  UINT32                                       ErrorSeverity;
} EFI_ACPI_4_0_BOOT_ERROR_REGION_STRUCTURE;

//
// Boot Error Severity types
//
#define EFI_ACPI_4_0_ERROR_SEVERITY_CORRECTABLE  0x00
#define EFI_ACPI_4_0_ERROR_SEVERITY_FATAL        0x01
#define EFI_ACPI_4_0_ERROR_SEVERITY_CORRECTED    0x02
#define EFI_ACPI_4_0_ERROR_SEVERITY_NONE         0x03

///
/// Generic Error Data Entry Definition
///
typedef struct {
  UINT8    SectionType[16];
  UINT32   ErrorSeverity;
  UINT16   Revision;
  UINT8    ValidationBits;
  UINT8    Flags;
  UINT32   ErrorDataLength;
  UINT8    FruId[16];
  UINT8    FruText[20];
} EFI_ACPI_4_0_GENERIC_ERROR_DATA_ENTRY_STRUCTURE;

///
/// Generic Error Data Entry Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_GENERIC_ERROR_DATA_ENTRY_REVISION  0x0201

///
/// HEST - Hardware Error Source Table
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      ErrorSourceCount;
} EFI_ACPI_4_0_HARDWARE_ERROR_SOURCE_TABLE_HEADER;

///
/// HEST Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_HARDWARE_ERROR_SOURCE_TABLE_REVISION 0x01

//
// Error Source structure types.
//
#define EFI_ACPI_4_0_IA32_ARCHITECTURE_MACHINE_CHECK_EXCEPTION  0x00
#define EFI_ACPI_4_0_IA32_ARCHITECTURE_CORRECTED_MACHINE_CHECK  0x01
#define EFI_ACPI_4_0_IA32_ARCHITECTURE_NMI_ERROR                0x02
#define EFI_ACPI_4_0_PCI_EXPRESS_ROOT_PORT_AER                  0x06
#define EFI_ACPI_4_0_PCI_EXPRESS_DEVICE_AER                     0x07
#define EFI_ACPI_4_0_PCI_EXPRESS_BRIDGE_AER                     0x08
#define EFI_ACPI_4_0_GENERIC_HARDWARE_ERROR                     0x09

//
// Error Source structure flags.
//
#define EFI_ACPI_4_0_ERROR_SOURCE_FLAG_FIRMWARE_FIRST       (1 << 0)
#define EFI_ACPI_4_0_ERROR_SOURCE_FLAG_GLOBAL               (1 << 1)

///
/// IA-32 Architecture Machine Check Exception Structure Definition
///
typedef struct {
  UINT16  Type;
  UINT16  SourceId;
  UINT8   Reserved0[2];
  UINT8   Flags;
  UINT8   Enabled;
  UINT32  NumberOfRecordsToPreAllocate;
  UINT32  MaxSectionsPerRecord;
  UINT64  GlobalCapabilityInitData;
  UINT64  GlobalControlInitData;
  UINT8   NumberOfHardwareBanks;
  UINT8   Reserved1[7];
} EFI_ACPI_4_0_IA32_ARCHITECTURE_MACHINE_CHECK_EXCEPTION_STRUCTURE;

///
/// IA-32 Architecture Machine Check Bank Structure Definition
///
typedef struct {
  UINT8   BankNumber;
  UINT8   ClearStatusOnInitialization;
  UINT8   StatusDataFormat;
  UINT8   Reserved0;
  UINT32  ControlRegisterMsrAddress;
  UINT64  ControlInitData;
  UINT32  StatusRegisterMsrAddress;
  UINT32  AddressRegisterMsrAddress;
  UINT32  MiscRegisterMsrAddress;
} EFI_ACPI_4_0_IA32_ARCHITECTURE_MACHINE_CHECK_ERROR_BANK_STRUCTURE;

///
/// IA-32 Architecture Machine Check Bank Structure MCA data format
///
#define EFI_ACPI_4_0_IA32_ARCHITECTURE_MACHINE_CHECK_ERROR_DATA_FORMAT_IA32      0x00
#define EFI_ACPI_4_0_IA32_ARCHITECTURE_MACHINE_CHECK_ERROR_DATA_FORMAT_INTEL64   0x01
#define EFI_ACPI_4_0_IA32_ARCHITECTURE_MACHINE_CHECK_ERROR_DATA_FORMAT_AMD64     0x02

//
// Hardware Error Notification types. All other values are reserved
//
#define EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_POLLED                0x00
#define EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_EXTERNAL_INTERRUPT    0x01
#define EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_LOCAL_INTERRUPT       0x02
#define EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_SCI                   0x03
#define EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_NMI                   0x04

///
/// Hardware Error Notification Configuration Write Enable Structure Definition
///
typedef struct {
  UINT16    Type:1;
  UINT16    PollInterval:1;
  UINT16    SwitchToPollingThresholdValue:1;
  UINT16    SwitchToPollingThresholdWindow:1;
  UINT16    ErrorThresholdValue:1;
  UINT16    ErrorThresholdWindow:1;
  UINT16    Reserved:10;
} EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_CONFIGURATION_WRITE_ENABLE_STRUCTURE;

///
/// Hardware Error Notification Structure Definition
///
typedef struct {
  UINT8                                                                          Type;
  UINT8                                                                          Length;
  EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_CONFIGURATION_WRITE_ENABLE_STRUCTURE  ConfigurationWriteEnable;
  UINT32                                                                         PollInterval;
  UINT32                                                                         Vector;
  UINT32                                                                         SwitchToPollingThresholdValue;
  UINT32                                                                         SwitchToPollingThresholdWindow;
  UINT32                                                                         ErrorThresholdValue;
  UINT32                                                                         ErrorThresholdWindow;
} EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_STRUCTURE;

///
/// IA-32 Architecture Corrected Machine Check Structure Definition
///
typedef struct {
  UINT16                                                 Type;
  UINT16                                                 SourceId;
  UINT8                                                  Reserved0[2];
  UINT8                                                  Flags;
  UINT8                                                  Enabled;
  UINT32                                                 NumberOfRecordsToPreAllocate;
  UINT32                                                 MaxSectionsPerRecord;
  EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_STRUCTURE     NotificationStructure;
  UINT8                                                  NumberOfHardwareBanks;
  UINT8                                                  Reserved1[3];
} EFI_ACPI_4_0_IA32_ARCHITECTURE_CORRECTED_MACHINE_CHECK_STRUCTURE;

///
/// IA-32 Architecture NMI Error Structure Definition
///
typedef struct {
  UINT16  Type;
  UINT16  SourceId;
  UINT8   Reserved0[2];
  UINT32  NumberOfRecordsToPreAllocate;
  UINT32  MaxSectionsPerRecord;
  UINT32  MaxRawDataLength;
} EFI_ACPI_4_0_IA32_ARCHITECTURE_NMI_ERROR_STRUCTURE;

///
/// PCI Express Root Port AER Structure Definition
///
typedef struct {
  UINT16  Type;
  UINT16  SourceId;
  UINT8   Reserved0[2];
  UINT8   Flags;
  UINT8   Enabled;
  UINT32  NumberOfRecordsToPreAllocate;
  UINT32  MaxSectionsPerRecord;
  UINT32  Bus;
  UINT16  Device;
  UINT16  Function;
  UINT16  DeviceControl;
  UINT8   Reserved1[2];
  UINT32  UncorrectableErrorMask;
  UINT32  UncorrectableErrorSeverity;
  UINT32  CorrectableErrorMask;
  UINT32  AdvancedErrorCapabilitiesAndControl;
  UINT32  RootErrorCommand;
} EFI_ACPI_4_0_PCI_EXPRESS_ROOT_PORT_AER_STRUCTURE;

///
/// PCI Express Device AER Structure Definition
///
typedef struct {
  UINT16  Type;
  UINT16  SourceId;
  UINT8   Reserved0[2];
  UINT8   Flags;
  UINT8   Enabled;
  UINT32  NumberOfRecordsToPreAllocate;
  UINT32  MaxSectionsPerRecord;
  UINT32  Bus;
  UINT16  Device;
  UINT16  Function;
  UINT16  DeviceControl;
  UINT8   Reserved1[2];
  UINT32  UncorrectableErrorMask;
  UINT32  UncorrectableErrorSeverity;
  UINT32  CorrectableErrorMask;
  UINT32  AdvancedErrorCapabilitiesAndControl;
} EFI_ACPI_4_0_PCI_EXPRESS_DEVICE_AER_STRUCTURE;

///
/// PCI Express Bridge AER Structure Definition
///
typedef struct {
  UINT16  Type;
  UINT16  SourceId;
  UINT8   Reserved0[2];
  UINT8   Flags;
  UINT8   Enabled;
  UINT32  NumberOfRecordsToPreAllocate;
  UINT32  MaxSectionsPerRecord;
  UINT32  Bus;
  UINT16  Device;
  UINT16  Function;
  UINT16  DeviceControl;
  UINT8   Reserved1[2];
  UINT32  UncorrectableErrorMask;
  UINT32  UncorrectableErrorSeverity;
  UINT32  CorrectableErrorMask;
  UINT32  AdvancedErrorCapabilitiesAndControl;
  UINT32  SecondaryUncorrectableErrorMask;
  UINT32  SecondaryUncorrectableErrorSeverity;
  UINT32  SecondaryAdvancedErrorCapabilitiesAndControl;
} EFI_ACPI_4_0_PCI_EXPRESS_BRIDGE_AER_STRUCTURE;

///
/// Generic Hardware Error Source Structure Definition
///
typedef struct {
  UINT16                                                 Type;
  UINT16                                                 SourceId;
  UINT16                                                 RelatedSourceId;
  UINT8                                                  Flags;
  UINT8                                                  Enabled;
  UINT32                                                 NumberOfRecordsToPreAllocate;
  UINT32                                                 MaxSectionsPerRecord;
  UINT32                                                 MaxRawDataLength;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE                 ErrorStatusAddress;
  EFI_ACPI_4_0_HARDWARE_ERROR_NOTIFICATION_STRUCTURE     NotificationStructure;
  UINT32                                                 ErrorStatusBlockLength;
} EFI_ACPI_4_0_GENERIC_HARDWARE_ERROR_SOURCE_STRUCTURE;

///
/// Generic Error Status Definition
///
typedef struct {
  EFI_ACPI_4_0_ERROR_BLOCK_STATUS              BlockStatus;
  UINT32                                       RawDataOffset;
  UINT32                                       RawDataLength;
  UINT32                                       DataLength;
  UINT32                                       ErrorSeverity;
} EFI_ACPI_4_0_GENERIC_ERROR_STATUS_STRUCTURE;

///
/// ERST - Error Record Serialization Table
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      SerializationHeaderSize;
  UINT8                       Reserved0[4];
  UINT32                      InstructionEntryCount;
} EFI_ACPI_4_0_ERROR_RECORD_SERIALIZATION_TABLE_HEADER;

///
/// ERST Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_ERROR_RECORD_SERIALIZATION_TABLE_REVISION 0x01

///
/// ERST Serialization Actions
///
#define EFI_ACPI_4_0_ERST_BEGIN_WRITE_OPERATION                    0x00
#define EFI_ACPI_4_0_ERST_BEGIN_READ_OPERATION                     0x01
#define EFI_ACPI_4_0_ERST_BEGIN_CLEAR_OPERATION                    0x02
#define EFI_ACPI_4_0_ERST_END_OPERATION                            0x03
#define EFI_ACPI_4_0_ERST_SET_RECORD_OFFSET                        0x04
#define EFI_ACPI_4_0_ERST_EXECUTE_OPERATION                        0x05
#define EFI_ACPI_4_0_ERST_CHECK_BUSY_STATUS                        0x06
#define EFI_ACPI_4_0_ERST_GET_COMMAND_STATUS                       0x07
#define EFI_ACPI_4_0_ERST_GET_RECORD_IDENTIFIER                    0x08
#define EFI_ACPI_4_0_ERST_SET_RECORD_IDENTIFIER                    0x09
#define EFI_ACPI_4_0_ERST_GET_RECORD_COUNT                         0x0A
#define EFI_ACPI_4_0_ERST_BEGIN_DUMMY_WRITE_OPERATION              0x0B
#define EFI_ACPI_4_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE              0x0D
#define EFI_ACPI_4_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_LENGTH       0x0E
#define EFI_ACPI_4_0_ERST_GET_ERROR_LOG_ADDRESS_RANGE_ATTRIBUTES   0x0F

///
/// ERST Action Command Status
///
#define EFI_ACPI_4_0_EINJ_STATUS_SUCCESS                           0x00
#define EFI_ACPI_4_0_EINJ_STATUS_NOT_ENOUGH_SPACE                  0x01
#define EFI_ACPI_4_0_EINJ_STATUS_HARDWARE_NOT_AVAILABLE            0x02
#define EFI_ACPI_4_0_EINJ_STATUS_FAILED                            0x03
#define EFI_ACPI_4_0_EINJ_STATUS_RECORD_STORE_EMPTY                0x04
#define EFI_ACPI_4_0_EINJ_STATUS_RECORD_NOT_FOUND                  0x05

///
/// ERST Serialization Instructions
///
#define EFI_ACPI_4_0_ERST_READ_REGISTER                            0x00
#define EFI_ACPI_4_0_ERST_READ_REGISTER_VALUE                      0x01
#define EFI_ACPI_4_0_ERST_WRITE_REGISTER                           0x02
#define EFI_ACPI_4_0_ERST_WRITE_REGISTER_VALUE                     0x03
#define EFI_ACPI_4_0_ERST_NOOP                                     0x04
#define EFI_ACPI_4_0_ERST_LOAD_VAR1                                0x05
#define EFI_ACPI_4_0_ERST_LOAD_VAR2                                0x06
#define EFI_ACPI_4_0_ERST_STORE_VAR1                               0x07
#define EFI_ACPI_4_0_ERST_ADD                                      0x08
#define EFI_ACPI_4_0_ERST_SUBTRACT                                 0x09
#define EFI_ACPI_4_0_ERST_ADD_VALUE                                0x0A
#define EFI_ACPI_4_0_ERST_SUBTRACT_VALUE                           0x0B
#define EFI_ACPI_4_0_ERST_STALL                                    0x0C
#define EFI_ACPI_4_0_ERST_STALL_WHILE_TRUE                         0x0D
#define EFI_ACPI_4_0_ERST_SKIP_NEXT_INSTRUCTION_IF_TRUE            0x0E
#define EFI_ACPI_4_0_ERST_GOTO                                     0x0F
#define EFI_ACPI_4_0_ERST_SET_SRC_ADDRESS_BASE                     0x10
#define EFI_ACPI_4_0_ERST_SET_DST_ADDRESS_BASE                     0x11
#define EFI_ACPI_4_0_ERST_MOVE_DATA                                0x12

///
/// ERST Instruction Flags
///
#define EFI_ACPI_4_0_ERST_PRESERVE_REGISTER                        0x01

///
/// ERST Serialization Instruction Entry
///
typedef struct {
  UINT8                                    SerializationAction;
  UINT8                                    Instruction;
  UINT8                                    Flags;
  UINT8                                    Reserved0;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE   RegisterRegion;
  UINT64                                   Value;
  UINT64                                   Mask;
} EFI_ACPI_4_0_ERST_SERIALIZATION_INSTRUCTION_ENTRY;

///
/// EINJ - Error Injection Table
///
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT32                      InjectionHeaderSize;
  UINT8                       InjectionFlags;
  UINT8                       Reserved0[3];
  UINT32                      InjectionEntryCount;
} EFI_ACPI_4_0_ERROR_INJECTION_TABLE_HEADER;

///
/// EINJ Version (as defined in ACPI 4.0 spec.)
///
#define EFI_ACPI_4_0_ERROR_INJECTION_TABLE_REVISION 0x01

///
/// EINJ Error Injection Actions
///
#define EFI_ACPI_4_0_EINJ_BEGIN_INJECTION_OPERATION                0x00
#define EFI_ACPI_4_0_EINJ_GET_TRIGGER_ERROR_ACTION_TABLE           0x01
#define EFI_ACPI_4_0_EINJ_SET_ERROR_TYPE                           0x02
#define EFI_ACPI_4_0_EINJ_GET_ERROR_TYPE                           0x03
#define EFI_ACPI_4_0_EINJ_END_OPERATION                            0x04
#define EFI_ACPI_4_0_EINJ_EXECUTE_OPERATION                        0x05
#define EFI_ACPI_4_0_EINJ_CHECK_BUSY_STATUS                        0x06
#define EFI_ACPI_4_0_EINJ_GET_COMMAND_STATUS                       0x07
#define EFI_ACPI_4_0_EINJ_TRIGGER_ERROR                            0xFF

///
/// EINJ Action Command Status
///
#define EFI_ACPI_4_0_EINJ_STATUS_SUCCESS                           0x00
#define EFI_ACPI_4_0_EINJ_STATUS_UNKNOWN_FAILURE                   0x01
#define EFI_ACPI_4_0_EINJ_STATUS_INVALID_ACCESS                    0x02

///
/// EINJ Error Type Definition
///
#define EFI_ACPI_4_0_EINJ_ERROR_PROCESSOR_CORRECTABLE                 (1 << 0)
#define EFI_ACPI_4_0_EINJ_ERROR_PROCESSOR_UNCORRECTABLE_NONFATAL      (1 << 1)
#define EFI_ACPI_4_0_EINJ_ERROR_PROCESSOR_UNCORRECTABLE_FATAL         (1 << 2)
#define EFI_ACPI_4_0_EINJ_ERROR_MEMORY_CORRECTABLE                    (1 << 3)
#define EFI_ACPI_4_0_EINJ_ERROR_MEMORY_UNCORRECTABLE_NONFATAL         (1 << 4)
#define EFI_ACPI_4_0_EINJ_ERROR_MEMORY_UNCORRECTABLE_FATAL            (1 << 5)
#define EFI_ACPI_4_0_EINJ_ERROR_PCI_EXPRESS_CORRECTABLE               (1 << 6)
#define EFI_ACPI_4_0_EINJ_ERROR_PCI_EXPRESS_UNCORRECTABLE_NONFATAL    (1 << 7)
#define EFI_ACPI_4_0_EINJ_ERROR_PCI_EXPRESS_UNCORRECTABLE_FATAL       (1 << 8)
#define EFI_ACPI_4_0_EINJ_ERROR_PLATFORM_CORRECTABLE                  (1 << 9)
#define EFI_ACPI_4_0_EINJ_ERROR_PLATFORM_UNCORRECTABLE_NONFATAL       (1 << 10)
#define EFI_ACPI_4_0_EINJ_ERROR_PLATFORM_UNCORRECTABLE_FATAL          (1 << 11)

///
/// EINJ Injection Instructions
///
#define EFI_ACPI_4_0_EINJ_READ_REGISTER                            0x00
#define EFI_ACPI_4_0_EINJ_READ_REGISTER_VALUE                      0x01
#define EFI_ACPI_4_0_EINJ_WRITE_REGISTER                           0x02
#define EFI_ACPI_4_0_EINJ_WRITE_REGISTER_VALUE                     0x03
#define EFI_ACPI_4_0_EINJ_NOOP                                     0x04

///
/// EINJ Instruction Flags
///
#define EFI_ACPI_4_0_EINJ_PRESERVE_REGISTER                        0x01

///
/// EINJ Injection Instruction Entry
///
typedef struct {
  UINT8                                    InjectionAction;
  UINT8                                    Instruction;
  UINT8                                    Flags;
  UINT8                                    Reserved0;
  EFI_ACPI_4_0_GENERIC_ADDRESS_STRUCTURE   RegisterRegion;
  UINT64                                   Value;
  UINT64                                   Mask;
} EFI_ACPI_4_0_EINJ_INJECTION_INSTRUCTION_ENTRY;

///
/// EINJ Trigger Action Table
///
typedef struct {
  UINT32  HeaderSize;
  UINT32  Revision;
  UINT32  TableSize;
  UINT32  EntryCount;
} EFI_ACPI_4_0_EINJ_TRIGGER_ACTION_TABLE;

//
// Known table signatures
//

///
/// "RSD PTR " Root System Description Pointer
///
#define EFI_ACPI_4_0_ROOT_SYSTEM_DESCRIPTION_POINTER_SIGNATURE  SIGNATURE_64('R', 'S', 'D', ' ', 'P', 'T', 'R', ' ') 

///
/// "APIC" Multiple APIC Description Table
///
#define EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('A', 'P', 'I', 'C')

///
/// "BERT" Boot Error Record Table
///
#define EFI_ACPI_4_0_BOOT_ERROR_RECORD_TABLE_SIGNATURE  SIGNATURE_32('B', 'E', 'R', 'T')

///
/// "CPEP" Corrected Platform Error Polling Table
///
#define EFI_ACPI_4_0_CORRECTED_PLATFORM_ERROR_POLLING_TABLE_SIGNATURE  SIGNATURE_32('C', 'P', 'E', 'P')

///
/// "DSDT" Differentiated System Description Table
///
#define EFI_ACPI_4_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('D', 'S', 'D', 'T')

///
/// "ECDT" Embedded Controller Boot Resources Table
///
#define EFI_ACPI_4_0_EMBEDDED_CONTROLLER_BOOT_RESOURCES_TABLE_SIGNATURE  SIGNATURE_32('E', 'C', 'D', 'T')

///
/// "EINJ" Error Injection Table
///
#define EFI_ACPI_4_0_ERROR_INJECTION_TABLE_SIGNATURE  SIGNATURE_32('E', 'I', 'N', 'J')

///
/// "ERST" Error Record Serialization Table
///
#define EFI_ACPI_4_0_ERROR_RECORD_SERIALIZATION_TABLE_SIGNATURE  SIGNATURE_32('E', 'R', 'S', 'T')

///
/// "FACP" Fixed ACPI Description Table
///
#define EFI_ACPI_4_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('F', 'A', 'C', 'P')

///
/// "FACS" Firmware ACPI Control Structure
///
#define EFI_ACPI_4_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE  SIGNATURE_32('F', 'A', 'C', 'S')

///
/// "HEST" Hardware Error Source Table
///
#define EFI_ACPI_4_0_HARDWARE_ERROR_SOURCE_TABLE_SIGNATURE  SIGNATURE_32('H', 'E', 'S', 'T')

///
/// "MSCT" Maximum System Characteristics Table
///
#define EFI_ACPI_4_0_MAXIMUM_SYSTEM_CHARACTERISTICS_TABLE_SIGNATURE  SIGNATURE_32('M', 'S', 'C', 'T')

///
/// "PSDT" Persistent System Description Table
///
#define EFI_ACPI_4_0_PERSISTENT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('P', 'S', 'D', 'T')

///
/// "RSDT" Root System Description Table
///
#define EFI_ACPI_4_0_ROOT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('R', 'S', 'D', 'T')

///
/// "SBST" Smart Battery Specification Table
///
#define EFI_ACPI_4_0_SMART_BATTERY_SPECIFICATION_TABLE_SIGNATURE  SIGNATURE_32('S', 'B', 'S', 'T')

///
/// "SLIT" System Locality Information Table
///
#define EFI_ACPI_4_0_SYSTEM_LOCALITY_INFORMATION_TABLE_SIGNATURE  SIGNATURE_32('S', 'L', 'I', 'T')

///
/// "SRAT" System Resource Affinity Table
///
#define EFI_ACPI_4_0_SYSTEM_RESOURCE_AFFINITY_TABLE_SIGNATURE  SIGNATURE_32('S', 'R', 'A', 'T')

///
/// "SSDT" Secondary System Description Table
///
#define EFI_ACPI_4_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('S', 'S', 'D', 'T')

///
/// "XSDT" Extended System Description Table
///
#define EFI_ACPI_4_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('X', 'S', 'D', 'T')

///
/// "BOOT" MS Simple Boot Spec
///
#define EFI_ACPI_4_0_SIMPLE_BOOT_FLAG_TABLE_SIGNATURE  SIGNATURE_32('B', 'O', 'O', 'T')

///
/// "DBGP" MS Debug Port Spec
///
#define EFI_ACPI_4_0_DEBUG_PORT_TABLE_SIGNATURE  SIGNATURE_32('D', 'B', 'G', 'P')

///
/// "DMAR" DMA Remapping Table
///
#define EFI_ACPI_4_0_DMA_REMAPPING_TABLE_SIGNATURE  SIGNATURE_32('D', 'M', 'A', 'R')

///
/// "ETDT" Event Timer Description Table
///
#define EFI_ACPI_4_0_EVENT_TIMER_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('E', 'T', 'D', 'T')

///
/// "HPET" IA-PC High Precision Event Timer Table
///
#define EFI_ACPI_4_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE  SIGNATURE_32('H', 'P', 'E', 'T')

///
/// "iBFT" iSCSI Boot Firmware Table
///
#define EFI_ACPI_4_0_ISCSI_BOOT_FIRMWARE_TABLE_SIGNATURE  SIGNATURE_32('i', 'B', 'F', 'T')

///
/// "IVRS" I/O Virtualization Reporting Structure
///
#define EFI_ACPI_4_0_IO_VIRTUALIZATION_REPORTING_STRUCTURE_SIGNATURE  SIGNATURE_32('I', 'V', 'R', 'S')

///
/// "MCFG" PCI Express Memory Mapped Configuration Space Base Address Description Table
///
#define EFI_ACPI_4_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE  SIGNATURE_32('M', 'C', 'F', 'G')

///
/// "MCHI" Management Controller Host Interface Table
///
#define EFI_ACPI_4_0_MANAGEMENT_CONTROLLER_HOST_INTERFACE_TABLE_SIGNATURE  SIGNATURE_32('M', 'C', 'H', 'I')

///
/// "SPCR" Serial Port Concole Redirection Table
///
#define EFI_ACPI_4_0_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE  SIGNATURE_32('S', 'P', 'C', 'R')

///
/// "SPMI" Server Platform Management Interface Table
///
#define EFI_ACPI_4_0_SERVER_PLATFORM_MANAGEMENT_INTERFACE_TABLE_SIGNATURE  SIGNATURE_32('S', 'P', 'M', 'I')

///
/// "TCPA" Trusted Computing Platform Alliance Capabilities Table
///
#define EFI_ACPI_4_0_TRUSTED_COMPUTING_PLATFORM_ALLIANCE_CAPABILITIES_TABLE_SIGNATURE  SIGNATURE_32('T', 'C', 'P', 'A')

///
/// "UEFI" UEFI ACPI Data Table
///
#define EFI_ACPI_4_0_UEFI_ACPI_DATA_TABLE_SIGNATURE  SIGNATURE_32('U', 'E', 'F', 'I')

///
/// "WAET" Windows ACPI Enlightenment Table
///
#define EFI_ACPI_4_0_WINDOWS_ACPI_ENLIGHTENMENT_TABLE_SIGNATURE  SIGNATURE_32('W', 'A', 'E', 'T')

///
/// "WDAT" Watchdog Action Table
///
#define EFI_ACPI_4_0_WATCHDOG_ACTION_TABLE_SIGNATURE  SIGNATURE_32('W', 'D', 'A', 'T')

///
/// "WDRT" Watchdog Resource Table
///
#define EFI_ACPI_4_0_WATCHDOG_RESOURCE_TABLE_SIGNATURE  SIGNATURE_32('W', 'D', 'R', 'T')

#pragma pack()

#endif