CloverBootloader/MdePkg/Include/Ppi/CpuIo.h
2019-09-03 12:58:42 +03:00

423 lines
13 KiB
C

/** @file
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.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Revision Reference:
This PPI is introduced in PI Version 1.0.
**/
#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[in] PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Width The width of the access. Enumerated in bytes.
@param[in] Address The physical address of the access.
@param[in] Count The number of accesses to perform.
@param[in, out] 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 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
);
///
/// EFI_PEI_CPU_IO_PPI_ACCESS
///
typedef struct {
///
/// This service provides the various modalities of memory and I/O read.
///
EFI_PEI_CPU_IO_PPI_IO_MEM Read;
///
/// This service provides the various modalities of memory and I/O write.
///
EFI_PEI_CPU_IO_PPI_IO_MEM Write;
} EFI_PEI_CPU_IO_PPI_ACCESS;
/**
8-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return An 8-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
);
/**
16-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 16-bit value returned from the I/O space.
**/
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
);
/**
32-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 32-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
);
/**
64-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 64-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
);
/**
8-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[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
);
/**
16-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
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
);
/**
32-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[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
);
/**
64-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[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
);
/**
8-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return An 8-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
);
/**
16-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 16-bit value returned from the memory space.
**/
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
);
/**
32-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 32-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
);
/**
64-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 64-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
);
/**
8-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[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
);
/**
16-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
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
);
/**
32-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[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
);
/**
64-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This The pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[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
);
///
/// 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 that of the
/// bus or system.
///
struct _EFI_PEI_CPU_IO_PPI {
///
/// Collection of memory-access services.
///
EFI_PEI_CPU_IO_PPI_ACCESS Mem;
///
/// Collection of I/O-access services.
///
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 gEfiPeiCpuIoPpiInstalledGuid;
#endif