Data Structures
struct	EFI_PEI_CPU_IO_PPI_ACCESS

struct	_EFI_PEI_CPU_IO_PPI

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

Typedefs
typedef struct _EFI_PEI_CPU_IO_PPI	EFI_PEI_CPU_IO_PPI

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Enumerations
enum	EFI_PEI_CPU_IO_PPI_WIDTH { EfiPeiCpuIoWidthUint8, EfiPeiCpuIoWidthUint16, EfiPeiCpuIoWidthUint32, EfiPeiCpuIoWidthUint64, EfiPeiCpuIoWidthFifoUint8, EfiPeiCpuIoWidthFifoUint16, EfiPeiCpuIoWidthFifoUint32, EfiPeiCpuIoWidthFifoUint64, EfiPeiCpuIoWidthFillUint8, EfiPeiCpuIoWidthFillUint16, EfiPeiCpuIoWidthFillUint32, EfiPeiCpuIoWidthFillUint64, EfiPeiCpuIoWidthMaximum }

Variables
EFI_GUID	gEfiPeiCpuIoPpiInstalledGuid

Detailed Description

This 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.

Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Revision Reference:: This PPI is introduced in PI Version 1.0.

Macro Definition Documentation

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

Typedef Documentation

typedef struct _EFI_PEI_CPU_IO_PPI EFI_PEI_CPU_IO_PPI

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

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

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Width	The width of the access. Enumerated in bytes.
[in]	Address	The physical address of the access.
[in]	Count	The number of accesses to perform.
[in,out]	Buffer	A pointer to the buffer of data.

Return values

EFI_SUCCESS	The function completed successfully.
EFI_NOT_YET_AVAILABLE	The service has not been installed.

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

16-bit I/O read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: A 16-bit value returned from the I/O space.

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

32-bit I/O read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: A 32-bit value returned from the I/O space.

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

64-bit I/O read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: A 64-bit value returned from the I/O space.

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

8-bit I/O read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: An 8-bit value returned from the I/O space.

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

16-bit I/O write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

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

32-bit I/O write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

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

64-bit I/O write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

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

8-bit I/O write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

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

16-bit memory read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: A 16-bit value returned from the memory space.

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

32-bit memory read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: A 32-bit value returned from the memory space.

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

64-bit memory read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: A 64-bit value returned from the memory space.

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

8-bit memory read operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.

Returns: An 8-bit value returned from the memory space.

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

16-bit memory write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

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

32-bit memory write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

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

64-bit memory write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

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

8-bit memory write operations.

Parameters

[in]	PeiServices	An indirect pointer to the PEI Services Table published by the PEI Foundation.
[in]	This	The pointer to local data for the interface.
[in]	Address	The physical address of the access.
[in]	Data	The data to write.

Enumeration Type Documentation

enum EFI_PEI_CPU_IO_PPI_WIDTH

EFI_PEI_CPU_IO_PPI_WIDTH.

Enumerator
EfiPeiCpuIoWidthUint8
EfiPeiCpuIoWidthUint16
EfiPeiCpuIoWidthUint32
EfiPeiCpuIoWidthUint64
EfiPeiCpuIoWidthFifoUint8
EfiPeiCpuIoWidthFifoUint16
EfiPeiCpuIoWidthFifoUint32
EfiPeiCpuIoWidthFifoUint64
EfiPeiCpuIoWidthFillUint8
EfiPeiCpuIoWidthFillUint16
EfiPeiCpuIoWidthFillUint32
EfiPeiCpuIoWidthFillUint64
EfiPeiCpuIoWidthMaximum

Variable Documentation

EFI_GUID gEfiPeiCpuIoPpiInstalledGuid

Data Structures

Macros

Typedefs

Enumerations

Variables

Detailed Description

Macro Definition Documentation

Typedef Documentation

Enumeration Type Documentation

Variable Documentation