MdePkg/Include/Pi/PiDxeCis.h - edk2 - Git at Google

 /** @file
   Include file matches things in PI.

   Copyright (c) 2006 - 2007, Intel Corporation
   All rights reserved. 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.

   @par Revision Reference:
   Version 1.0.

 **/

 #ifndef __PI_DXECIS_H__
 #define __PI_DXECIS_H__

 #include <Pi/PiMultiPhase.h>

 ///
 /// Global Coherencey Domain types - Memory type
 ///
 typedef enum {
   EfiGcdMemoryTypeNonExistent,
   EfiGcdMemoryTypeReserved,
   EfiGcdMemoryTypeSystemMemory,
   EfiGcdMemoryTypeMemoryMappedIo,
   EfiGcdMemoryTypeMaximum
 } EFI_GCD_MEMORY_TYPE;

 ///
 /// Global Coherencey Domain types - IO type
 ///
 typedef enum {
   EfiGcdIoTypeNonExistent,
   EfiGcdIoTypeReserved,
   EfiGcdIoTypeIo,
   EfiGcdIoTypeMaximum
 } EFI_GCD_IO_TYPE;

 ///
 /// The type of allocation to perform.
 ///
 typedef enum {
   EfiGcdAllocateAnySearchBottomUp,
   EfiGcdAllocateMaxAddressSearchBottomUp,
   EfiGcdAllocateAddress,
   EfiGcdAllocateAnySearchTopDown,
   EfiGcdAllocateMaxAddressSearchTopDown,
   EfiGcdMaxAllocateType
 } EFI_GCD_ALLOCATE_TYPE;

 ///
 /// EFI_GCD_MEMORY_SPACE_DESCRIPTOR
 ///
 typedef struct {
   ///
   /// The physical address of the first byte in the memory region. Type
   /// EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function
   /// description in the UEFI 2.0 specification
   ///
   EFI_PHYSICAL_ADDRESS  BaseAddress;

   ///
   /// The number of bytes in the memory region.
   ///
   UINT64                Length;

   ///
   /// The bit mask of attributes that the memory region is capable of supporting. The bit
   /// mask of available attributes is defined in the GetMemoryMap() function description
   /// in the UEFI 2.0 specification.
   ///
   UINT64                Capabilities;
   ///
   /// The bit mask of attributes that the memory region is currently using. The bit mask of
   /// available attributes is defined in GetMemoryMap().
   ///
   UINT64                Attributes;
   ///
   /// Type of the memory region. Type EFI_GCD_MEMORY_TYPE is defined in the
   /// AddMemorySpace() function description
   ///
   EFI_GCD_MEMORY_TYPE   GcdMemoryType;

   ///
   /// The image handle of the agent that allocated the memory resource described by
   /// PhysicalStart and NumberOfBytes. If this field is NULL, then the memory
   /// resource is not currently allocated. Type EFI_HANDLE is defined in
   /// InstallProtocolInterface() in the UEFI 2.0 specification.
   ///
   EFI_HANDLE            ImageHandle;

   ///
   /// The device handle for which the memory resource has been allocated. If
   /// ImageHandle is NULL, then the memory resource is not currently allocated. If this
   /// field is NULL, then the memory resource is not associated with a device that is
   /// described by a device handle. Type EFI_HANDLE is defined in
   /// InstallProtocolInterface() in the UEFI 2.0 specification.
   ///
   EFI_HANDLE            DeviceHandle;
 } EFI_GCD_MEMORY_SPACE_DESCRIPTOR;

 ///
 /// EFI_GCD_IO_SPACE_DESCRIPTOR
 ///
 typedef struct {
   ///
   /// Physical address of the first byte in the I/O region. Type
   /// EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function
   /// description in the UEFI 2.0 specification.
   ///
   EFI_PHYSICAL_ADDRESS  BaseAddress;

   /// Number of bytes in the I/O region.
   UINT64                Length;

   ///
   /// Type of the I/O region. Type EFI_GCD_IO_TYPE is defined in the
   /// AddIoSpace() function description.
   ///
   EFI_GCD_IO_TYPE       GcdIoType;

   ///
   /// The image handle of the agent that allocated the I/O resource described by
   /// PhysicalStart and NumberOfBytes. If this field is NULL, then the I/O
   /// resource is not currently allocated. Type EFI_HANDLE is defined in
   /// InstallProtocolInterface() in the UEFI 2.0 specification.
   ///
   EFI_HANDLE            ImageHandle;

   ///
   /// The device handle for which the I/O resource has been allocated. If ImageHandle
   /// is NULL, then the I/O resource is not currently allocated. If this field is NULL, then
   /// the I/O resource is not associated with a device that is described by a device handle.
   /// Type EFI_HANDLE is defined in InstallProtocolInterface() in the UEFI
   /// 2.0 specification.
   ///
   EFI_HANDLE            DeviceHandle;
 } EFI_GCD_IO_SPACE_DESCRIPTOR;


 /**
   Adds reserved memory, system memory, or memory-mapped I/O resources to the
   global coherency domain of the processor.

   @param  GcdMemoryType    Memory type of the memory space.
   @param  BaseAddress      Base address of the memory space.
   @param  Length           Length of the memory space.
   @param  Capabilities     alterable attributes of the memory space.

   @retval EFI_SUCCESS           Merged this memory space into GCD map.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_ADD_MEMORY_SPACE)(
   IN EFI_GCD_MEMORY_TYPE   GcdMemoryType,
   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
   IN UINT64                Length,
   IN UINT64                Capabilities
   )
 ;

 /**
   Allocates nonexistent memory, reserved memory, system memory, or memorymapped
   I/O resources from the global coherency domain of the processor.

   @param  GcdAllocateType  The type of allocate operation
   @param  GcdMemoryType    The desired memory type
   @param  Alignment        Align with 2^Alignment
   @param  Length           Length to allocate
   @param  BaseAddress      Base address to allocate
   @param  Imagehandle      The image handle consume the allocated space.
   @param  DeviceHandle     The device handle consume the allocated space.

   @retval EFI_INVALID_PARAMETER Invalid parameter.
   @retval EFI_NOT_FOUND         No descriptor contains the desired space.
   @retval EFI_SUCCESS           Memory space successfully allocated.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_ALLOCATE_MEMORY_SPACE)(
   IN     EFI_GCD_ALLOCATE_TYPE               GcdAllocateType,
   IN     EFI_GCD_MEMORY_TYPE                 GcdMemoryType,
   IN     UINTN                               Alignment,
   IN     UINT64                              Length,
   IN OUT EFI_PHYSICAL_ADDRESS                *BaseAddress,
   IN     EFI_HANDLE                          ImageHandle,
   IN     EFI_HANDLE                          DeviceHandle OPTIONAL
   )
 ;

 /**
   Frees nonexistent memory, reserved memory, system memory, or memory-mapped
   I/O resources from the global coherency domain of the processor.

   @param  BaseAddress      Base address of the segment.
   @param  Length           Length of the segment.

   @retval EFI_SUCCESS           Space successfully freed.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_FREE_MEMORY_SPACE)(
   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
   IN UINT64                Length
   )
 ;

 /**
   Removes reserved memory, system memory, or memory-mapped I/O resources from
   the global coherency domain of the processor.

   @param  BaseAddress      Base address of the memory space.
   @param  Length           Length of the memory space.

   @retval EFI_SUCCESS           Successfully remove a segment of memory space.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_REMOVE_MEMORY_SPACE)(
   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
   IN UINT64                Length
   )
 ;

 /**
   Retrieves the descriptor for a memory region containing a specified address.

   @param  BaseAddress      Specified start address
   @param  Descriptor       Specified length

   @retval EFI_INVALID_PARAMETER Invalid parameter
   @retval EFI_SUCCESS           Successfully get memory space descriptor.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_GET_MEMORY_SPACE_DESCRIPTOR)(
   IN  EFI_PHYSICAL_ADDRESS             BaseAddress,
   OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR  *Descriptor
   )
 ;

 /**
   Modifies the attributes for a memory region in the global coherency domain of the
   processor.

   @param  BaseAddress      Specified start address
   @param  Length           Specified length
   @param  Attributes       Specified attributes

   @retval EFI_SUCCESS           Successfully set attribute of a segment of memory space.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_SET_MEMORY_SPACE_ATTRIBUTES)(
   IN EFI_PHYSICAL_ADDRESS         BaseAddress,
   IN UINT64                       Length,
   IN UINT64                       Attributes
   )
 ;

 /**
   Returns a map of the memory resources in the global coherency domain of the
   processor.

   @param  NumberOfDescriptors Number of descriptors.
   @param  MemorySpaceMap      Descriptor array

   @retval EFI_INVALID_PARAMETER Invalid parameter
   @retval EFI_OUT_OF_RESOURCES  No enough buffer to allocate
   @retval EFI_SUCCESS           Successfully get memory space map.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_GET_MEMORY_SPACE_MAP)(
   OUT UINTN                            *NumberOfDescriptors,
   OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR  **MemorySpaceMap
   )
 ;

 /**
   Adds reserved I/O or I/O resources to the global coherency domain of the processor.

   @param  GcdIoType        IO type of the segment.
   @param  BaseAddress      Base address of the segment.
   @param  Length           Length of the segment.

   @retval EFI_SUCCESS           Merged this segment into GCD map.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_ADD_IO_SPACE)(
   IN EFI_GCD_IO_TYPE       GcdIoType,
   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
   IN UINT64                Length
   )
 ;

 /**
   Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency
   domain of the processor.

   @param  GcdAllocateType  The type of allocate operation
   @param  GcdIoType        The desired IO type
   @param  Alignment        Align with 2^Alignment
   @param  Length           Length to allocate
   @param  BaseAddress      Base address to allocate
   @param  Imagehandle      The image handle consume the allocated space.
   @param  DeviceHandle     The device handle consume the allocated space.

   @retval EFI_INVALID_PARAMETER Invalid parameter.
   @retval EFI_NOT_FOUND         No descriptor contains the desired space.
   @retval EFI_SUCCESS           IO space successfully allocated.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_ALLOCATE_IO_SPACE)(
   IN     EFI_GCD_ALLOCATE_TYPE               GcdAllocateType,
   IN     EFI_GCD_IO_TYPE                     GcdIoType,
   IN     UINTN                               Alignment,
   IN     UINT64                              Length,
   IN OUT EFI_PHYSICAL_ADDRESS                *BaseAddress,
   IN     EFI_HANDLE                          ImageHandle,
   IN     EFI_HANDLE                          DeviceHandle OPTIONAL
   )
 ;

 /**
   Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency
   domain of the processor.

   @param  BaseAddress      Base address of the segment.
   @param  Length           Length of the segment.

   @retval EFI_SUCCESS           Space successfully freed.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_FREE_IO_SPACE)(
   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
   IN UINT64                Length
   )
 ;

 /**
   Removes reserved I/O or I/O resources from the global coherency domain of the
   processor.

   @param  BaseAddress      Base address of the segment.
   @param Length Length of the segment.

   @retval EFI_SUCCESS           Successfully removed a segment of IO space.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_REMOVE_IO_SPACE)(
   IN EFI_PHYSICAL_ADDRESS  BaseAddress,
   IN UINT64                Length
   )
 ;

 /**
   Retrieves the descriptor for an I/O region containing a specified address.

   @param  BaseAddress      Specified start address
   @param  Descriptor       Specified length

   @retval EFI_INVALID_PARAMETER Descriptor is NULL.
   @retval EFI_SUCCESS           Successfully get the IO space descriptor.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_GET_IO_SPACE_DESCRIPTOR)(
   IN  EFI_PHYSICAL_ADDRESS         BaseAddress,
   OUT EFI_GCD_IO_SPACE_DESCRIPTOR  *Descriptor
   )
 ;

 /**
   Returns a map of the I/O resources in the global coherency domain of the processor.

   @param  NumberOfDescriptors Number of descriptors.
   @param  MemorySpaceMap      Descriptor array

   @retval EFI_INVALID_PARAMETER Invalid parameter
   @retval EFI_OUT_OF_RESOURCES  No enough buffer to allocate
   @retval EFI_SUCCESS           Successfully get IO space map.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_GET_IO_SPACE_MAP)(
   OUT UINTN                        *NumberOfDescriptors,
   OUT EFI_GCD_IO_SPACE_DESCRIPTOR  **IoSpaceMap
   )
 ;


 /**
   Loads and executed DXE drivers from firmware volumes.

   @return Status of dispatching and execution DXE drivers.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_DISPATCH)(
   VOID
   )
 ;

 /**
   Clears the Schedule on Request (SOR) flag for a component that is stored in a firmware volume.

   @param  FirmwareVolumeHandle The handle of the firmware volume that contains the file specified by FileName.
   @param  DriverName           A pointer to the name of the file in a firmware volume.

   @return Status of clearing SOR.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_SCHEDULE)(
   IN EFI_HANDLE  FirmwareVolumeHandle,
   IN EFI_GUID    *DriverName
   )
 ;

 /**
   Promotes a file stored in a firmware volume from the untrusted to the trusted state.

   @param  FirmwareVolumeHandle The handle of the firmware volume that contains the file specified by FileName.
   @param  DriverName           A pointer to the name of the file in a firmware volume.

   @return Status of promoting FFS from untrusted to trusted
           state.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_TRUST)(
   IN EFI_HANDLE  FirmwareVolumeHandle,
   IN EFI_GUID    *DriverName
   )
 ;

 /**
   Creates a firmware volume handle for a firmware volume that is present in system memory.

   @param  FirmwareVolumeHeader A pointer to the header of the firmware volume.
   @param  Size                 The size, in bytes, of the firmware volume.
   @param  FirmwareVolumeHandle On output, a pointer to the created handle.

   @return Status of processing FV.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_PROCESS_FIRMWARE_VOLUME)(
   IN VOID                             *FvHeader,
   IN UINTN                            Size,
   OUT EFI_HANDLE                      *FirmwareVolumeHandle
   )
 ;

 //
 // DXE Services Table
 //
 #define DXE_SERVICES_SIGNATURE  0x565245535f455844ULL
 #define DXE_SERVICES_REVISION   ((1<<16) | (00))

 typedef struct {
   EFI_TABLE_HEADER                Hdr;

   //
   // Global Coherency Domain Services
   //
   EFI_ADD_MEMORY_SPACE            AddMemorySpace;
   EFI_ALLOCATE_MEMORY_SPACE       AllocateMemorySpace;
   EFI_FREE_MEMORY_SPACE           FreeMemorySpace;
   EFI_REMOVE_MEMORY_SPACE         RemoveMemorySpace;
   EFI_GET_MEMORY_SPACE_DESCRIPTOR GetMemorySpaceDescriptor;
   EFI_SET_MEMORY_SPACE_ATTRIBUTES SetMemorySpaceAttributes;
   EFI_GET_MEMORY_SPACE_MAP        GetMemorySpaceMap;
   EFI_ADD_IO_SPACE                AddIoSpace;
   EFI_ALLOCATE_IO_SPACE           AllocateIoSpace;
   EFI_FREE_IO_SPACE               FreeIoSpace;
   EFI_REMOVE_IO_SPACE             RemoveIoSpace;
   EFI_GET_IO_SPACE_DESCRIPTOR     GetIoSpaceDescriptor;
   EFI_GET_IO_SPACE_MAP            GetIoSpaceMap;

   //
   // Dispatcher Services
   //
   EFI_DISPATCH                    Dispatch;
   EFI_SCHEDULE                    Schedule;
   EFI_TRUST                       Trust;
   //
   // Service to process a single firmware volume found in a capsule
   //
   EFI_PROCESS_FIRMWARE_VOLUME     ProcessFirmwareVolume;
 } DXE_SERVICES;

 typedef DXE_SERVICES EFI_DXE_SERVICES;

 #endif
	/** @file
	Include file matches things in PI.

	Copyright (c) 2006 - 2007, Intel Corporation
	All rights reserved. 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.

	@par Revision Reference:
	Version 1.0.

	**/

	#ifndef __PI_DXECIS_H__
	#define __PI_DXECIS_H__

	#include <Pi/PiMultiPhase.h>

	///
	/// Global Coherencey Domain types - Memory type
	///
	typedef enum {
	EfiGcdMemoryTypeNonExistent,
	EfiGcdMemoryTypeReserved,
	EfiGcdMemoryTypeSystemMemory,
	EfiGcdMemoryTypeMemoryMappedIo,
	EfiGcdMemoryTypeMaximum
	} EFI_GCD_MEMORY_TYPE;

	///
	/// Global Coherencey Domain types - IO type
	///
	typedef enum {
	EfiGcdIoTypeNonExistent,
	EfiGcdIoTypeReserved,
	EfiGcdIoTypeIo,
	EfiGcdIoTypeMaximum
	} EFI_GCD_IO_TYPE;

	///
	/// The type of allocation to perform.
	///
	typedef enum {
	EfiGcdAllocateAnySearchBottomUp,
	EfiGcdAllocateMaxAddressSearchBottomUp,
	EfiGcdAllocateAddress,
	EfiGcdAllocateAnySearchTopDown,
	EfiGcdAllocateMaxAddressSearchTopDown,
	EfiGcdMaxAllocateType
	} EFI_GCD_ALLOCATE_TYPE;

	///
	/// EFI_GCD_MEMORY_SPACE_DESCRIPTOR
	///
	typedef struct {
	///
	/// The physical address of the first byte in the memory region. Type
	/// EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function
	/// description in the UEFI 2.0 specification
	///
	EFI_PHYSICAL_ADDRESS BaseAddress;

	///
	/// The number of bytes in the memory region.
	///
	UINT64 Length;

	///
	/// The bit mask of attributes that the memory region is capable of supporting. The bit
	/// mask of available attributes is defined in the GetMemoryMap() function description
	/// in the UEFI 2.0 specification.
	///
	UINT64 Capabilities;
	///
	/// The bit mask of attributes that the memory region is currently using. The bit mask of
	/// available attributes is defined in GetMemoryMap().
	///
	UINT64 Attributes;
	///
	/// Type of the memory region. Type EFI_GCD_MEMORY_TYPE is defined in the
	/// AddMemorySpace() function description
	///
	EFI_GCD_MEMORY_TYPE GcdMemoryType;

	///
	/// The image handle of the agent that allocated the memory resource described by
	/// PhysicalStart and NumberOfBytes. If this field is NULL, then the memory
	/// resource is not currently allocated. Type EFI_HANDLE is defined in
	/// InstallProtocolInterface() in the UEFI 2.0 specification.
	///
	EFI_HANDLE ImageHandle;

	///
	/// The device handle for which the memory resource has been allocated. If
	/// ImageHandle is NULL, then the memory resource is not currently allocated. If this
	/// field is NULL, then the memory resource is not associated with a device that is
	/// described by a device handle. Type EFI_HANDLE is defined in
	/// InstallProtocolInterface() in the UEFI 2.0 specification.
	///
	EFI_HANDLE DeviceHandle;
	} EFI_GCD_MEMORY_SPACE_DESCRIPTOR;

	///
	/// EFI_GCD_IO_SPACE_DESCRIPTOR
	///
	typedef struct {
	///
	/// Physical address of the first byte in the I/O region. Type
	/// EFI_PHYSICAL_ADDRESS is defined in the AllocatePages() function
	/// description in the UEFI 2.0 specification.
	///
	EFI_PHYSICAL_ADDRESS BaseAddress;

	/// Number of bytes in the I/O region.
	UINT64 Length;

	///
	/// Type of the I/O region. Type EFI_GCD_IO_TYPE is defined in the
	/// AddIoSpace() function description.
	///
	EFI_GCD_IO_TYPE GcdIoType;

	///
	/// The image handle of the agent that allocated the I/O resource described by
	/// PhysicalStart and NumberOfBytes. If this field is NULL, then the I/O
	/// resource is not currently allocated. Type EFI_HANDLE is defined in
	/// InstallProtocolInterface() in the UEFI 2.0 specification.
	///
	EFI_HANDLE ImageHandle;

	///
	/// The device handle for which the I/O resource has been allocated. If ImageHandle
	/// is NULL, then the I/O resource is not currently allocated. If this field is NULL, then
	/// the I/O resource is not associated with a device that is described by a device handle.
	/// Type EFI_HANDLE is defined in InstallProtocolInterface() in the UEFI
	/// 2.0 specification.
	///
	EFI_HANDLE DeviceHandle;
	} EFI_GCD_IO_SPACE_DESCRIPTOR;


	/**
	Adds reserved memory, system memory, or memory-mapped I/O resources to the
	global coherency domain of the processor.

	@param GcdMemoryType Memory type of the memory space.
	@param BaseAddress Base address of the memory space.
	@param Length Length of the memory space.
	@param Capabilities alterable attributes of the memory space.

	@retval EFI_SUCCESS Merged this memory space into GCD map.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_ADD_MEMORY_SPACE)(
	IN EFI_GCD_MEMORY_TYPE GcdMemoryType,
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	IN UINT64 Length,
	IN UINT64 Capabilities
	)
	;

	/**
	Allocates nonexistent memory, reserved memory, system memory, or memorymapped
	I/O resources from the global coherency domain of the processor.

	@param GcdAllocateType The type of allocate operation
	@param GcdMemoryType The desired memory type
	@param Alignment Align with 2^Alignment
	@param Length Length to allocate
	@param BaseAddress Base address to allocate
	@param Imagehandle The image handle consume the allocated space.
	@param DeviceHandle The device handle consume the allocated space.

	@retval EFI_INVALID_PARAMETER Invalid parameter.
	@retval EFI_NOT_FOUND No descriptor contains the desired space.
	@retval EFI_SUCCESS Memory space successfully allocated.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_ALLOCATE_MEMORY_SPACE)(
	IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,
	IN EFI_GCD_MEMORY_TYPE GcdMemoryType,
	IN UINTN Alignment,
	IN UINT64 Length,
	IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
	IN EFI_HANDLE ImageHandle,
	IN EFI_HANDLE DeviceHandle OPTIONAL
	)
	;

	/**
	Frees nonexistent memory, reserved memory, system memory, or memory-mapped
	I/O resources from the global coherency domain of the processor.

	@param BaseAddress Base address of the segment.
	@param Length Length of the segment.

	@retval EFI_SUCCESS Space successfully freed.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_FREE_MEMORY_SPACE)(
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	IN UINT64 Length
	)
	;

	/**
	Removes reserved memory, system memory, or memory-mapped I/O resources from
	the global coherency domain of the processor.

	@param BaseAddress Base address of the memory space.
	@param Length Length of the memory space.

	@retval EFI_SUCCESS Successfully remove a segment of memory space.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_REMOVE_MEMORY_SPACE)(
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	IN UINT64 Length
	)
	;

	/**
	Retrieves the descriptor for a memory region containing a specified address.

	@param BaseAddress Specified start address
	@param Descriptor Specified length

	@retval EFI_INVALID_PARAMETER Invalid parameter
	@retval EFI_SUCCESS Successfully get memory space descriptor.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_GET_MEMORY_SPACE_DESCRIPTOR)(
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR *Descriptor
	)
	;

	/**
	Modifies the attributes for a memory region in the global coherency domain of the
	processor.

	@param BaseAddress Specified start address
	@param Length Specified length
	@param Attributes Specified attributes

	@retval EFI_SUCCESS Successfully set attribute of a segment of memory space.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_SET_MEMORY_SPACE_ATTRIBUTES)(
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	IN UINT64 Length,
	IN UINT64 Attributes
	)
	;

	/**
	Returns a map of the memory resources in the global coherency domain of the
	processor.

	@param NumberOfDescriptors Number of descriptors.
	@param MemorySpaceMap Descriptor array

	@retval EFI_INVALID_PARAMETER Invalid parameter
	@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
	@retval EFI_SUCCESS Successfully get memory space map.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_GET_MEMORY_SPACE_MAP)(
	OUT UINTN *NumberOfDescriptors,
	OUT EFI_GCD_MEMORY_SPACE_DESCRIPTOR **MemorySpaceMap
	)
	;

	/**
	Adds reserved I/O or I/O resources to the global coherency domain of the processor.

	@param GcdIoType IO type of the segment.
	@param BaseAddress Base address of the segment.
	@param Length Length of the segment.

	@retval EFI_SUCCESS Merged this segment into GCD map.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_ADD_IO_SPACE)(
	IN EFI_GCD_IO_TYPE GcdIoType,
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	IN UINT64 Length
	)
	;

	/**
	Allocates nonexistent I/O, reserved I/O, or I/O resources from the global coherency
	domain of the processor.

	@param GcdAllocateType The type of allocate operation
	@param GcdIoType The desired IO type
	@param Alignment Align with 2^Alignment
	@param Length Length to allocate
	@param BaseAddress Base address to allocate
	@param Imagehandle The image handle consume the allocated space.
	@param DeviceHandle The device handle consume the allocated space.

	@retval EFI_INVALID_PARAMETER Invalid parameter.
	@retval EFI_NOT_FOUND No descriptor contains the desired space.
	@retval EFI_SUCCESS IO space successfully allocated.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_ALLOCATE_IO_SPACE)(
	IN EFI_GCD_ALLOCATE_TYPE GcdAllocateType,
	IN EFI_GCD_IO_TYPE GcdIoType,
	IN UINTN Alignment,
	IN UINT64 Length,
	IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
	IN EFI_HANDLE ImageHandle,
	IN EFI_HANDLE DeviceHandle OPTIONAL
	)
	;

	/**
	Frees nonexistent I/O, reserved I/O, or I/O resources from the global coherency
	domain of the processor.

	@param BaseAddress Base address of the segment.
	@param Length Length of the segment.

	@retval EFI_SUCCESS Space successfully freed.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_FREE_IO_SPACE)(
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	IN UINT64 Length
	)
	;

	/**
	Removes reserved I/O or I/O resources from the global coherency domain of the
	processor.

	@param BaseAddress Base address of the segment.
	@param Length Length of the segment.

	@retval EFI_SUCCESS Successfully removed a segment of IO space.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_REMOVE_IO_SPACE)(
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	IN UINT64 Length
	)
	;

	/**
	Retrieves the descriptor for an I/O region containing a specified address.

	@param BaseAddress Specified start address
	@param Descriptor Specified length

	@retval EFI_INVALID_PARAMETER Descriptor is NULL.
	@retval EFI_SUCCESS Successfully get the IO space descriptor.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_GET_IO_SPACE_DESCRIPTOR)(
	IN EFI_PHYSICAL_ADDRESS BaseAddress,
	OUT EFI_GCD_IO_SPACE_DESCRIPTOR *Descriptor
	)
	;

	/**
	Returns a map of the I/O resources in the global coherency domain of the processor.

	@param NumberOfDescriptors Number of descriptors.
	@param MemorySpaceMap Descriptor array

	@retval EFI_INVALID_PARAMETER Invalid parameter
	@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
	@retval EFI_SUCCESS Successfully get IO space map.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_GET_IO_SPACE_MAP)(
	OUT UINTN *NumberOfDescriptors,
	OUT EFI_GCD_IO_SPACE_DESCRIPTOR **IoSpaceMap
	)
	;



	/**
	Loads and executed DXE drivers from firmware volumes.

	@return Status of dispatching and execution DXE drivers.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_DISPATCH)(
	VOID
	)
	;

	/**
	Clears the Schedule on Request (SOR) flag for a component that is stored in a firmware volume.

	@param FirmwareVolumeHandle The handle of the firmware volume that contains the file specified by FileName.
	@param DriverName A pointer to the name of the file in a firmware volume.

	@return Status of clearing SOR.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_SCHEDULE)(
	IN EFI_HANDLE FirmwareVolumeHandle,
	IN EFI_GUID *DriverName
	)
	;

	/**
	Promotes a file stored in a firmware volume from the untrusted to the trusted state.

	@param FirmwareVolumeHandle The handle of the firmware volume that contains the file specified by FileName.
	@param DriverName A pointer to the name of the file in a firmware volume.

	@return Status of promoting FFS from untrusted to trusted
	state.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_TRUST)(
	IN EFI_HANDLE FirmwareVolumeHandle,
	IN EFI_GUID *DriverName
	)
	;

	/**
	Creates a firmware volume handle for a firmware volume that is present in system memory.

	@param FirmwareVolumeHeader A pointer to the header of the firmware volume.
	@param Size The size, in bytes, of the firmware volume.
	@param FirmwareVolumeHandle On output, a pointer to the created handle.

	@return Status of processing FV.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_PROCESS_FIRMWARE_VOLUME)(
	IN VOID *FvHeader,
	IN UINTN Size,
	OUT EFI_HANDLE *FirmwareVolumeHandle
	)
	;

	//
	// DXE Services Table
	//
	#define DXE_SERVICES_SIGNATURE 0x565245535f455844ULL
	#define DXE_SERVICES_REVISION ((1<<16) \| (00))

	typedef struct {
	EFI_TABLE_HEADER Hdr;

	//
	// Global Coherency Domain Services
	//
	EFI_ADD_MEMORY_SPACE AddMemorySpace;
	EFI_ALLOCATE_MEMORY_SPACE AllocateMemorySpace;
	EFI_FREE_MEMORY_SPACE FreeMemorySpace;
	EFI_REMOVE_MEMORY_SPACE RemoveMemorySpace;
	EFI_GET_MEMORY_SPACE_DESCRIPTOR GetMemorySpaceDescriptor;
	EFI_SET_MEMORY_SPACE_ATTRIBUTES SetMemorySpaceAttributes;
	EFI_GET_MEMORY_SPACE_MAP GetMemorySpaceMap;
	EFI_ADD_IO_SPACE AddIoSpace;
	EFI_ALLOCATE_IO_SPACE AllocateIoSpace;
	EFI_FREE_IO_SPACE FreeIoSpace;
	EFI_REMOVE_IO_SPACE RemoveIoSpace;
	EFI_GET_IO_SPACE_DESCRIPTOR GetIoSpaceDescriptor;
	EFI_GET_IO_SPACE_MAP GetIoSpaceMap;

	//
	// Dispatcher Services
	//
	EFI_DISPATCH Dispatch;
	EFI_SCHEDULE Schedule;
	EFI_TRUST Trust;
	//
	// Service to process a single firmware volume found in a capsule
	//
	EFI_PROCESS_FIRMWARE_VOLUME ProcessFirmwareVolume;
	} DXE_SERVICES;

	typedef DXE_SERVICES EFI_DXE_SERVICES;

	#endif