MdePkg/Include/Ppi/CpuIo.h - edk2 - Git at Google

 /** @file
   This file declares CPU IO PPI that abstracts CPU IO access

   Copyright (c) 2006, 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.

   Module Name:  CpuIo.h

   @par Revision Reference:
   This PPI is defined in PEI CIS.
   Version 0.91.

 **/

 #ifndef __PEI_CPUIO_PPI_H__
 #define __PEI_CPUIO_PPI_H__

 #define EFI_PEI_CPU_IO_PPI_INSTALLED_GUID \
   { \
     0xe6af1f7b, 0xfc3f, 0x46da, {0xa8, 0x28, 0xa3, 0xb4, 0x57, 0xa4, 0x42, 0x82 } \
   }

 typedef struct _EFI_PEI_CPU_IO_PPI  EFI_PEI_CPU_IO_PPI;

 //
 // *******************************************************
 // EFI_PEI_CPU_IO_PPI_WIDTH
 // *******************************************************
 //
 typedef enum {
   EfiPeiCpuIoWidthUint8,
   EfiPeiCpuIoWidthUint16,
   EfiPeiCpuIoWidthUint32,
   EfiPeiCpuIoWidthUint64,
   EfiPeiCpuIoWidthFifoUint8,
   EfiPeiCpuIoWidthFifoUint16,
   EfiPeiCpuIoWidthFifoUint32,
   EfiPeiCpuIoWidthFifoUint64,
   EfiPeiCpuIoWidthFillUint8,
   EfiPeiCpuIoWidthFillUint16,
   EfiPeiCpuIoWidthFillUint32,
   EfiPeiCpuIoWidthFillUint64,
   EfiPeiCpuIoWidthMaximum
 } EFI_PEI_CPU_IO_PPI_WIDTH;

 /**
   Memory-based access services and I/O-based access services.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Width The width of the access.  Enumerated in bytes.

   @param  Address The physical address of the access.

   @param  Count The number of accesses to perform.

   @param  Buffer A pointer to the buffer of data.

   @retval EFI_SUCCESS  The function completed successfully.

   @retval EFI_NOT_YET_AVAILABLE  The service has not been installed.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_MEM) (
   IN  EFI_PEI_SERVICES                  **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI                *This,
   IN  EFI_PEI_CPU_IO_PPI_WIDTH          Width,
   IN  UINT64                            Address,
   IN  UINTN                             Count,
   IN  OUT VOID                          *Buffer
   );

 //
 // *******************************************************
 // EFI_PEI_CPU_IO_PPI_ACCESS
 // *******************************************************
 //
 typedef struct {
   EFI_PEI_CPU_IO_PPI_IO_MEM Read;
   EFI_PEI_CPU_IO_PPI_IO_MEM Write;
 } EFI_PEI_CPU_IO_PPI_ACCESS;

 /**
   8-bit I/O read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT8

 **/
 typedef
 UINT8
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ8) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   16-bit I/O read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT16

 **/
 typedef
 UINT16
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ16) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   32-bit I/O read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT32

 **/
 typedef
 UINT32
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ32) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   64-bit I/O read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT64

 **/
 typedef
 UINT64
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ64) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   8-bit I/O write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE8) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT8                   Data
   );

 /**
   16-bit I/O write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE16) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT16                  Data
   );

 /**
   32-bit I/O write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE32) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT32                  Data
   );

 /**
   64-bit I/O write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE64) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT64                  Data
   );

 /**
   8-bit Memory read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT8

 **/
 typedef
 UINT8
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ8) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   16-bit Memory read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT16

 **/
 typedef
 UINT16
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ16) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   32-bit Memory read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT32

 **/
 typedef
 UINT32
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ32) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   64-bit Memory read operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @return UINT64

 **/
 typedef
 UINT64
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ64) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address
   );

 /**
   8-bit Memory write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE8) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT8                   Data
   );

 /**
   16-bit Memory write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE16) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT16                  Data
   );

 /**
   32-bit Memory write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE32) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT32                  Data
   );

 /**
   64-bit Memory write operations.

   @param  PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

   @param  This Pointer to local data for the interface.

   @param  Address The physical address of the access.

   @param  Data The data to write.

   @return None

 **/
 typedef
 VOID
 (EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE64) (
   IN  EFI_PEI_SERVICES        **PeiServices,
   IN  EFI_PEI_CPU_IO_PPI      *This,
   IN  UINT64                  Address,
   IN  UINT64                  Data
   );

 /**
   @par Ppi Description:
   EFI_PEI_CPU_IO_PPI provides a set of memory and I/O-based services.
   The perspective of the services is that of the processor, not the bus or system.

   @param Mem
   Collection of memory-access services.

   @param I/O
   Collection of I/O-access services.

   @param IoRead8
   8-bit read service.

   @param IoRead16
   16-bit read service.

   @param IoRead32
   32-bit read service.

   @param IoRead64
   64-bit read service.

   @param IoWrite8
   8-bit write service.

   @param IoWrite16
   16-bit write service.

   @param IoWrite32
   32-bit write service.

   @param IoWrite64
   64-bit write service.

   @param MemRead8
   8-bit read service.

   @param MemRead16
   16-bit read service.

   @param MemRead32
   32-bit read service.

   @param MemRead64
   64-bit read service.

   @param MemWrite8
   8-bit write service.

   @param MemWrite16
   16-bit write service.

   @param MemWrite32
   32-bit write service.

   @param MemWrite64
   64-bit write service.

 **/
 struct _EFI_PEI_CPU_IO_PPI {
   EFI_PEI_CPU_IO_PPI_ACCESS       Mem;
   EFI_PEI_CPU_IO_PPI_ACCESS       Io;
   EFI_PEI_CPU_IO_PPI_IO_READ8     IoRead8;
   EFI_PEI_CPU_IO_PPI_IO_READ16    IoRead16;
   EFI_PEI_CPU_IO_PPI_IO_READ32    IoRead32;
   EFI_PEI_CPU_IO_PPI_IO_READ64    IoRead64;
   EFI_PEI_CPU_IO_PPI_IO_WRITE8    IoWrite8;
   EFI_PEI_CPU_IO_PPI_IO_WRITE16   IoWrite16;
   EFI_PEI_CPU_IO_PPI_IO_WRITE32   IoWrite32;
   EFI_PEI_CPU_IO_PPI_IO_WRITE64   IoWrite64;
   EFI_PEI_CPU_IO_PPI_MEM_READ8    MemRead8;
   EFI_PEI_CPU_IO_PPI_MEM_READ16   MemRead16;
   EFI_PEI_CPU_IO_PPI_MEM_READ32   MemRead32;
   EFI_PEI_CPU_IO_PPI_MEM_READ64   MemRead64;
   EFI_PEI_CPU_IO_PPI_MEM_WRITE8   MemWrite8;
   EFI_PEI_CPU_IO_PPI_MEM_WRITE16  MemWrite16;
   EFI_PEI_CPU_IO_PPI_MEM_WRITE32  MemWrite32;
   EFI_PEI_CPU_IO_PPI_MEM_WRITE64  MemWrite64;
 };

 extern EFI_GUID gEfiPeiCpuIoPpiInServiceTableGuid;

 #endif
	/** @file
	This file declares CPU IO PPI that abstracts CPU IO access

	Copyright (c) 2006, 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.

	Module Name: CpuIo.h

	@par Revision Reference:
	This PPI is defined in PEI CIS.
	Version 0.91.

	**/

	#ifndef __PEI_CPUIO_PPI_H__
	#define __PEI_CPUIO_PPI_H__

	#define EFI_PEI_CPU_IO_PPI_INSTALLED_GUID \
	{ \
	0xe6af1f7b, 0xfc3f, 0x46da, {0xa8, 0x28, 0xa3, 0xb4, 0x57, 0xa4, 0x42, 0x82 } \
	}

	typedef struct _EFI_PEI_CPU_IO_PPI EFI_PEI_CPU_IO_PPI;

	//
	// *******************************************************
	// EFI_PEI_CPU_IO_PPI_WIDTH
	// *******************************************************
	//
	typedef enum {
	EfiPeiCpuIoWidthUint8,
	EfiPeiCpuIoWidthUint16,
	EfiPeiCpuIoWidthUint32,
	EfiPeiCpuIoWidthUint64,
	EfiPeiCpuIoWidthFifoUint8,
	EfiPeiCpuIoWidthFifoUint16,
	EfiPeiCpuIoWidthFifoUint32,
	EfiPeiCpuIoWidthFifoUint64,
	EfiPeiCpuIoWidthFillUint8,
	EfiPeiCpuIoWidthFillUint16,
	EfiPeiCpuIoWidthFillUint32,
	EfiPeiCpuIoWidthFillUint64,
	EfiPeiCpuIoWidthMaximum
	} EFI_PEI_CPU_IO_PPI_WIDTH;

	/**
	Memory-based access services and I/O-based access services.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Width The width of the access. Enumerated in bytes.

	@param Address The physical address of the access.

	@param Count The number of accesses to perform.

	@param Buffer A pointer to the buffer of data.

	@retval EFI_SUCCESS The function completed successfully.

	@retval EFI_NOT_YET_AVAILABLE The service has not been installed.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_MEM) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
	IN UINT64 Address,
	IN UINTN Count,
	IN OUT VOID *Buffer
	);

	//
	// *******************************************************
	// EFI_PEI_CPU_IO_PPI_ACCESS
	// *******************************************************
	//
	typedef struct {
	EFI_PEI_CPU_IO_PPI_IO_MEM Read;
	EFI_PEI_CPU_IO_PPI_IO_MEM Write;
	} EFI_PEI_CPU_IO_PPI_ACCESS;

	/**
	8-bit I/O read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT8

	**/
	typedef
	UINT8
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ8) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	16-bit I/O read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT16

	**/
	typedef
	UINT16
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ16) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	32-bit I/O read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT32

	**/
	typedef
	UINT32
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ32) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	64-bit I/O read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT64

	**/
	typedef
	UINT64
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ64) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	8-bit I/O write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE8) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT8 Data
	);

	/**
	16-bit I/O write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE16) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT16 Data
	);

	/**
	32-bit I/O write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE32) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT32 Data
	);

	/**
	64-bit I/O write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE64) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT64 Data
	);

	/**
	8-bit Memory read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT8

	**/
	typedef
	UINT8
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ8) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	16-bit Memory read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT16

	**/
	typedef
	UINT16
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ16) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	32-bit Memory read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT32

	**/
	typedef
	UINT32
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ32) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	64-bit Memory read operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@return UINT64

	**/
	typedef
	UINT64
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ64) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address
	);

	/**
	8-bit Memory write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE8) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT8 Data
	);

	/**
	16-bit Memory write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE16) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT16 Data
	);

	/**
	32-bit Memory write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE32) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT32 Data
	);

	/**
	64-bit Memory write operations.

	@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.

	@param This Pointer to local data for the interface.

	@param Address The physical address of the access.

	@param Data The data to write.

	@return None

	**/
	typedef
	VOID
	(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE64) (
	IN EFI_PEI_SERVICES **PeiServices,
	IN EFI_PEI_CPU_IO_PPI *This,
	IN UINT64 Address,
	IN UINT64 Data
	);

	/**
	@par Ppi Description:
	EFI_PEI_CPU_IO_PPI provides a set of memory and I/O-based services.
	The perspective of the services is that of the processor, not the bus or system.

	@param Mem
	Collection of memory-access services.

	@param I/O
	Collection of I/O-access services.

	@param IoRead8
	8-bit read service.

	@param IoRead16
	16-bit read service.

	@param IoRead32
	32-bit read service.

	@param IoRead64
	64-bit read service.

	@param IoWrite8
	8-bit write service.

	@param IoWrite16
	16-bit write service.

	@param IoWrite32
	32-bit write service.

	@param IoWrite64
	64-bit write service.

	@param MemRead8
	8-bit read service.

	@param MemRead16
	16-bit read service.

	@param MemRead32
	32-bit read service.

	@param MemRead64
	64-bit read service.

	@param MemWrite8
	8-bit write service.

	@param MemWrite16
	16-bit write service.

	@param MemWrite32
	32-bit write service.

	@param MemWrite64
	64-bit write service.

	**/
	struct _EFI_PEI_CPU_IO_PPI {
	EFI_PEI_CPU_IO_PPI_ACCESS Mem;
	EFI_PEI_CPU_IO_PPI_ACCESS Io;
	EFI_PEI_CPU_IO_PPI_IO_READ8 IoRead8;
	EFI_PEI_CPU_IO_PPI_IO_READ16 IoRead16;
	EFI_PEI_CPU_IO_PPI_IO_READ32 IoRead32;
	EFI_PEI_CPU_IO_PPI_IO_READ64 IoRead64;
	EFI_PEI_CPU_IO_PPI_IO_WRITE8 IoWrite8;
	EFI_PEI_CPU_IO_PPI_IO_WRITE16 IoWrite16;
	EFI_PEI_CPU_IO_PPI_IO_WRITE32 IoWrite32;
	EFI_PEI_CPU_IO_PPI_IO_WRITE64 IoWrite64;
	EFI_PEI_CPU_IO_PPI_MEM_READ8 MemRead8;
	EFI_PEI_CPU_IO_PPI_MEM_READ16 MemRead16;
	EFI_PEI_CPU_IO_PPI_MEM_READ32 MemRead32;
	EFI_PEI_CPU_IO_PPI_MEM_READ64 MemRead64;
	EFI_PEI_CPU_IO_PPI_MEM_WRITE8 MemWrite8;
	EFI_PEI_CPU_IO_PPI_MEM_WRITE16 MemWrite16;
	EFI_PEI_CPU_IO_PPI_MEM_WRITE32 MemWrite32;
	EFI_PEI_CPU_IO_PPI_MEM_WRITE64 MemWrite64;
	};

	extern EFI_GUID gEfiPeiCpuIoPpiInServiceTableGuid;

	#endif