Moved the MdePkg to OldMdePkg so that new code in MdePkg does not break existing builds. Also updated the SPD and FPD files UiNames
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2616 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
222
OldMdePkg/Include/Protocol/DeviceIo.h
Normal file
222
OldMdePkg/Include/Protocol/DeviceIo.h
Normal file
@@ -0,0 +1,222 @@
|
||||
/** @file
|
||||
Device IO protocol as defined in the EFI 1.0 specification.
|
||||
|
||||
Device IO is used to abstract hardware access to devices. It includes
|
||||
memory mapped IO, IO, PCI Config space, and DMA.
|
||||
|
||||
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: DeviceIo.h
|
||||
|
||||
**/
|
||||
|
||||
#ifndef __DEVICE_IO_H__
|
||||
#define __DEVICE_IO_H__
|
||||
|
||||
#define EFI_DEVICE_IO_PROTOCOL_GUID \
|
||||
{ \
|
||||
0xaf6ac311, 0x84c3, 0x11d2, {0x8e, 0x3c, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \
|
||||
}
|
||||
|
||||
typedef struct _EFI_DEVICE_IO_PROTOCOL EFI_DEVICE_IO_PROTOCOL;
|
||||
|
||||
typedef enum {
|
||||
IO_UINT8,
|
||||
IO_UINT16,
|
||||
IO_UINT32,
|
||||
IO_UINT64,
|
||||
MMIO_COPY_UINT8,
|
||||
MMIO_COPY_UINT16,
|
||||
MMIO_COPY_UINT32,
|
||||
MMIO_COPY_UINT64
|
||||
} EFI_IO_WIDTH;
|
||||
|
||||
/**
|
||||
Enables a driver to access device registers in the appropriate memory or I/O space.
|
||||
|
||||
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
|
||||
@param Width Signifies the width of the I/O operations.
|
||||
@param Address The base address of the I/O operations.
|
||||
@param Count The number of I/O operations to perform.
|
||||
@param Buffer For read operations, the destination buffer to store the results. For write
|
||||
operations, the source buffer to write data from.
|
||||
|
||||
@retval EFI_SUCCESS The data was read from or written to the device.
|
||||
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
||||
@retval EFI_INVALID_PARAMETER Width is invalid.
|
||||
|
||||
**/
|
||||
typedef
|
||||
EFI_STATUS
|
||||
(EFIAPI *EFI_DEVICE_IO) (
|
||||
IN EFI_DEVICE_IO_PROTOCOL *This,
|
||||
IN EFI_IO_WIDTH Width,
|
||||
IN UINT64 Address,
|
||||
IN UINTN Count,
|
||||
IN OUT VOID *Buffer
|
||||
);
|
||||
|
||||
typedef struct {
|
||||
EFI_DEVICE_IO Read;
|
||||
EFI_DEVICE_IO Write;
|
||||
} EFI_IO_ACCESS;
|
||||
|
||||
/**
|
||||
Provides an EFI Device Path for a PCI device with the given PCI configuration space address.
|
||||
|
||||
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
|
||||
@param PciAddress The PCI configuration space address of the device whose Device Path
|
||||
is going to be returned.
|
||||
@param PciDevicePath A pointer to the pointer for the EFI Device Path for PciAddress.
|
||||
Memory for the Device Path is allocated from the pool.
|
||||
|
||||
@retval EFI_SUCCESS The PciDevicePath returns a pointer to a valid EFI Device Path.
|
||||
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
||||
@retval EFI_UNSUPPORTED The PciAddress does not map to a valid EFI Device Path.
|
||||
|
||||
**/
|
||||
typedef
|
||||
EFI_STATUS
|
||||
(EFIAPI *EFI_PCI_DEVICE_PATH) (
|
||||
IN EFI_DEVICE_IO_PROTOCOL *This,
|
||||
IN UINT64 PciAddress,
|
||||
IN OUT EFI_DEVICE_PATH_PROTOCOL **PciDevicePath
|
||||
);
|
||||
|
||||
typedef enum {
|
||||
EfiBusMasterRead,
|
||||
EfiBusMasterWrite,
|
||||
EfiBusMasterCommonBuffer
|
||||
} EFI_IO_OPERATION_TYPE;
|
||||
|
||||
/**
|
||||
Provides the device-specific addresses needed to access system memory.
|
||||
|
||||
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
|
||||
@param Operation Indicates if the bus master is going to read or write to system memory.
|
||||
@param HostAddress The system memory address to map to the device.
|
||||
@param NumberOfBytes On input the number of bytes to map.
|
||||
@param DeviceAddress The resulting map address for the bus master device to use to access the
|
||||
hosts HostAddress.
|
||||
@param Mapping A resulting value to pass to Unmap().
|
||||
|
||||
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
|
||||
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
|
||||
@retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
|
||||
@retval EFI_INVALID_PARAMETER The Operation or HostAddress is undefined.
|
||||
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
|
||||
|
||||
**/
|
||||
typedef
|
||||
EFI_STATUS
|
||||
(EFIAPI *EFI_IO_MAP) (
|
||||
IN EFI_DEVICE_IO_PROTOCOL *This,
|
||||
IN EFI_IO_OPERATION_TYPE Operation,
|
||||
IN EFI_PHYSICAL_ADDRESS *HostAddress,
|
||||
IN OUT UINTN *NumberOfBytes,
|
||||
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
|
||||
OUT VOID **Mapping
|
||||
);
|
||||
|
||||
/**
|
||||
Completes the Map() operation and releases any corresponding resources.
|
||||
|
||||
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
|
||||
@param Mapping A resulting value to pass to Unmap().
|
||||
|
||||
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
|
||||
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
|
||||
|
||||
**/
|
||||
typedef
|
||||
EFI_STATUS
|
||||
(EFIAPI *EFI_IO_UNMAP) (
|
||||
IN EFI_DEVICE_IO_PROTOCOL *This,
|
||||
IN VOID *Mapping
|
||||
);
|
||||
|
||||
/**
|
||||
Allocates pages that are suitable for an EFIBusMasterCommonBuffer mapping.
|
||||
|
||||
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
|
||||
@param Type The type allocation to perform.
|
||||
@param MemoryType The type of memory to allocate, EfiBootServicesData or
|
||||
EfiRuntimeServicesData.
|
||||
@param Pages The number of pages to allocate.
|
||||
@param HostAddress A pointer to store the base address of the allocated range.
|
||||
|
||||
@retval EFI_SUCCESS The requested memory pages were allocated.
|
||||
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
|
||||
@retval EFI_INVALID_PARAMETER The requested memory type is invalid.
|
||||
@retval EFI_UNSUPPORTED The requested HostAddress is not supported on
|
||||
this platform.
|
||||
|
||||
**/
|
||||
typedef
|
||||
EFI_STATUS
|
||||
(EFIAPI *EFI_IO_ALLOCATE_BUFFER) (
|
||||
IN EFI_DEVICE_IO_PROTOCOL *This,
|
||||
IN EFI_ALLOCATE_TYPE Type,
|
||||
IN EFI_MEMORY_TYPE MemoryType,
|
||||
IN UINTN Pages,
|
||||
IN OUT EFI_PHYSICAL_ADDRESS *HostAddress
|
||||
);
|
||||
|
||||
/**
|
||||
Flushes any posted write data to the device.
|
||||
|
||||
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
|
||||
|
||||
@retval EFI_SUCCESS The buffers were flushed.
|
||||
@retval EFI_DEVICE_ERROR The buffers were not flushed due to a hardware error.
|
||||
|
||||
**/
|
||||
typedef
|
||||
EFI_STATUS
|
||||
(EFIAPI *EFI_IO_FLUSH) (
|
||||
IN EFI_DEVICE_IO_PROTOCOL *This
|
||||
);
|
||||
|
||||
/**
|
||||
Frees pages that were allocated with AllocateBuffer().
|
||||
|
||||
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
|
||||
@param Pages The number of pages to free.
|
||||
@param HostAddress The base address of the range to free.
|
||||
|
||||
@retval EFI_SUCCESS The requested memory pages were allocated.
|
||||
@retval EFI_NOT_FOUND The requested memory pages were not allocated with
|
||||
AllocateBuffer().
|
||||
@retval EFI_INVALID_PARAMETER HostAddress is not page aligned or Pages is invalid.
|
||||
|
||||
**/
|
||||
typedef
|
||||
EFI_STATUS
|
||||
(EFIAPI *EFI_IO_FREE_BUFFER) (
|
||||
IN EFI_DEVICE_IO_PROTOCOL *This,
|
||||
IN UINTN Pages,
|
||||
IN EFI_PHYSICAL_ADDRESS HostAddress
|
||||
);
|
||||
|
||||
struct _EFI_DEVICE_IO_PROTOCOL {
|
||||
EFI_IO_ACCESS Mem;
|
||||
EFI_IO_ACCESS Io;
|
||||
EFI_IO_ACCESS Pci;
|
||||
EFI_IO_MAP Map;
|
||||
EFI_PCI_DEVICE_PATH PciDevicePath;
|
||||
EFI_IO_UNMAP Unmap;
|
||||
EFI_IO_ALLOCATE_BUFFER AllocateBuffer;
|
||||
EFI_IO_FLUSH Flush;
|
||||
EFI_IO_FREE_BUFFER FreeBuffer;
|
||||
};
|
||||
|
||||
extern EFI_GUID gEfiDeviceIoProtocolGuid;
|
||||
|
||||
#endif
|
Reference in New Issue
Block a user