mirror of https://github.com/acidanthera/audk.git
423 lines
13 KiB
C
423 lines
13 KiB
C
/** @file
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This PPI provides a set of memory and I/O-based services.
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The perspective of the services is that of the processor, not the bus or system.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This PPI is introduced in PI Version 1.0.
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**/
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#ifndef __PEI_CPUIO_PPI_H__
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#define __PEI_CPUIO_PPI_H__
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#define EFI_PEI_CPU_IO_PPI_INSTALLED_GUID \
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{ 0xe6af1f7b, 0xfc3f, 0x46da, {0xa8, 0x28, 0xa3, 0xb4, 0x57, 0xa4, 0x42, 0x82 } }
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typedef struct _EFI_PEI_CPU_IO_PPI EFI_PEI_CPU_IO_PPI;
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///
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/// EFI_PEI_CPU_IO_PPI_WIDTH.
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///
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typedef enum {
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EfiPeiCpuIoWidthUint8,
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EfiPeiCpuIoWidthUint16,
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EfiPeiCpuIoWidthUint32,
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EfiPeiCpuIoWidthUint64,
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EfiPeiCpuIoWidthFifoUint8,
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EfiPeiCpuIoWidthFifoUint16,
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EfiPeiCpuIoWidthFifoUint32,
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EfiPeiCpuIoWidthFifoUint64,
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EfiPeiCpuIoWidthFillUint8,
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EfiPeiCpuIoWidthFillUint16,
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EfiPeiCpuIoWidthFillUint32,
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EfiPeiCpuIoWidthFillUint64,
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EfiPeiCpuIoWidthMaximum
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} EFI_PEI_CPU_IO_PPI_WIDTH;
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/**
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Memory-based access services and I/O-based access services.
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@param[in] PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Width The width of the access. Enumerated in bytes.
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@param[in] Address The physical address of the access.
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@param[in] Count The number of accesses to perform.
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@param[in, out] Buffer A pointer to the buffer of data.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_MEM)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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);
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///
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/// EFI_PEI_CPU_IO_PPI_ACCESS
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///
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typedef struct {
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///
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/// This service provides the various modalities of memory and I/O read.
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///
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EFI_PEI_CPU_IO_PPI_IO_MEM Read;
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///
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/// This service provides the various modalities of memory and I/O write.
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///
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EFI_PEI_CPU_IO_PPI_IO_MEM Write;
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} EFI_PEI_CPU_IO_PPI_ACCESS;
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/**
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8-bit I/O read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return An 8-bit value returned from the I/O space.
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**/
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typedef
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UINT8
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ8)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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16-bit I/O read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return A 16-bit value returned from the I/O space.
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**/
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typedef
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UINT16
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ16)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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32-bit I/O read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return A 32-bit value returned from the I/O space.
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**/
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typedef
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UINT32
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ32)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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64-bit I/O read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return A 64-bit value returned from the I/O space.
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**/
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typedef
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UINT64
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_READ64)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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8-bit I/O write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE8)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT8 Data
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);
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/**
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16-bit I/O write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE16)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT16 Data
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);
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/**
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32-bit I/O write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE32)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT32 Data
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);
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/**
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64-bit I/O write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_IO_WRITE64)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT64 Data
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);
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/**
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8-bit memory read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return An 8-bit value returned from the memory space.
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**/
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typedef
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UINT8
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ8)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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16-bit memory read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return A 16-bit value returned from the memory space.
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**/
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typedef
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UINT16
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ16)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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32-bit memory read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return A 32-bit value returned from the memory space.
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**/
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typedef
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UINT32
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ32)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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64-bit memory read operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@return A 64-bit value returned from the memory space.
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**/
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typedef
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UINT64
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_READ64)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address
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);
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/**
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8-bit memory write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE8)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT8 Data
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);
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/**
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16-bit memory write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE16)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT16 Data
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);
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/**
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32-bit memory write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE32)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT32 Data
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);
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/**
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64-bit memory write operations.
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@param[in] PeiServices An indirect pointer to the PEI Services Table published
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by the PEI Foundation.
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@param[in] This The pointer to local data for the interface.
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@param[in] Address The physical address of the access.
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@param[in] Data The data to write.
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**/
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typedef
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VOID
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(EFIAPI *EFI_PEI_CPU_IO_PPI_MEM_WRITE64)(
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_CPU_IO_PPI *This,
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IN UINT64 Address,
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IN UINT64 Data
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);
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///
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/// EFI_PEI_CPU_IO_PPI provides a set of memory and I/O-based services.
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/// The perspective of the services is that of the processor, not that of the
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/// bus or system.
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///
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struct _EFI_PEI_CPU_IO_PPI {
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///
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/// Collection of memory-access services.
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///
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EFI_PEI_CPU_IO_PPI_ACCESS Mem;
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///
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/// Collection of I/O-access services.
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///
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EFI_PEI_CPU_IO_PPI_ACCESS Io;
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EFI_PEI_CPU_IO_PPI_IO_READ8 IoRead8;
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EFI_PEI_CPU_IO_PPI_IO_READ16 IoRead16;
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EFI_PEI_CPU_IO_PPI_IO_READ32 IoRead32;
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EFI_PEI_CPU_IO_PPI_IO_READ64 IoRead64;
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EFI_PEI_CPU_IO_PPI_IO_WRITE8 IoWrite8;
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EFI_PEI_CPU_IO_PPI_IO_WRITE16 IoWrite16;
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EFI_PEI_CPU_IO_PPI_IO_WRITE32 IoWrite32;
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EFI_PEI_CPU_IO_PPI_IO_WRITE64 IoWrite64;
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EFI_PEI_CPU_IO_PPI_MEM_READ8 MemRead8;
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EFI_PEI_CPU_IO_PPI_MEM_READ16 MemRead16;
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EFI_PEI_CPU_IO_PPI_MEM_READ32 MemRead32;
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EFI_PEI_CPU_IO_PPI_MEM_READ64 MemRead64;
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EFI_PEI_CPU_IO_PPI_MEM_WRITE8 MemWrite8;
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EFI_PEI_CPU_IO_PPI_MEM_WRITE16 MemWrite16;
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EFI_PEI_CPU_IO_PPI_MEM_WRITE32 MemWrite32;
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EFI_PEI_CPU_IO_PPI_MEM_WRITE64 MemWrite64;
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};
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extern EFI_GUID gEfiPeiCpuIoPpiInstalledGuid;
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#endif
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