AT Attachment (ATA) Host Controller Device. More...

#include <ATAController.h>

Inheritance diagram for ATAController:

Public Member Functions
	ATAController (const u32 inode)
	Constructor. More...

virtual FileSystem::Result	initialize ()
	Configures the ATA controller. More...

virtual FileSystem::Result	read (IOBuffer &buffer, Size &size, const Size offset)
	Read bytes from a drive attached to the ATA controller. More...

virtual FileSystem::Result	interrupt (const Size vector)
	Process ATA interrupts. More...

Public Member Functions inherited from Device
	Device (const u32 inode, const FileSystem::FileType type)
	Constructor. More...

virtual	~Device ()
	Destructor. More...

virtual const String &	getIdentifier () const
	Get unique device identifier. More...

Public Member Functions inherited from File
	File (const u32 inode, const FileSystem::FileType type=FileSystem::RegularFile, const UserID uid=ZERO, const GroupID gid=ZERO)
	Constructor function. More...

virtual	~File ()
	Destructor function. More...

u32	getInode () const
	Get inode number. More...

FileSystem::FileType	getType () const
	Retrieve our filetype. More...

virtual FileSystem::Result	write (IOBuffer &buffer, Size &size, const Size offset)
	Write bytes to the file. More...

virtual FileSystem::Result	status (FileSystem::FileStat &st)
	Retrieve file statistics. More...

virtual bool	canRead () const
	Check if the File has data ready for reading. More...

virtual bool	canWrite () const
	Check if the File can be written to. More...

Private Member Functions
void	pollReady (bool noData=false)
	Polls the Regular Status register. More...

Private Attributes
List< ATADrive * >	drives
	Drives detected on the ATA bus. More...

Arch::IO	m_io
	Port I/O object. More...

Additional Inherited Members
Protected Attributes inherited from Device
String	m_identifier
	Unique identifier for this Device. More...

Protected Attributes inherited from File
const u32	m_inode
	Inode number. More...

const FileSystem::FileType	m_type
	Type of this file. More...

UserID	m_uid
	Owner of the file. More...

GroupID	m_gid
	Group of the file. More...

FileSystem::FileModes	m_access
	Access permissions. More...

Size	m_size
	Size of the file, in bytes. More...

Detailed Description

AT Attachment (ATA) Host Controller Device.

Definition at line 262 of file ATAController.h.

Constructor & Destructor Documentation

◆ ATAController()

ATAController::ATAController ( const u32 inode )

Constructor.

Parameters

inode Inode number

Definition at line 41 of file ATAController.cpp.

References Device::m_identifier.

Member Function Documentation

◆ initialize()

FileSystem::Result ATAController::initialize ( )

virtual

Configures the ATA controller.

Returns: Result code.

Reimplemented from Device.

Definition at line 47 of file ATAController.cpp.

References List< T >::append(), ATA_BASE_CMD0, ATA_CMD_IDENTIFY, ATA_REG_CMD, ATA_REG_DATA, ATA_REG_SELECT, ATA_REG_STATUS, ATA_SEL_MASTER, drives, IdentifyData::firmware, IDENTIFY_TEXT_SWAP, ATADrive::identity, m_io, IdentifyData::majorRevision, IdentifyData::minorRevision, IdentifyData::model, NOTICE, FileSystem::NotSupported, pollReady(), IdentifyData::sectors28, IdentifyData::serial, and FileSystem::Success.

◆ interrupt()

FileSystem::Result ATAController::interrupt ( const Size vector )

virtual

Process ATA interrupts.

Parameters

vector Interrupt number.

Returns: Result code

Reimplemented from Device.

Definition at line 153 of file ATAController.cpp.

References INFO, and FileSystem::Success.

◆ pollReady()

void ATAController::pollReady ( bool noData = false )

private

Polls the Regular Status register.

Parameters

noData Don't wait for the ATA_STATUS_DATA flag to set.

Definition at line 159 of file ATAController.cpp.

References ATA_BASE_CMD0, ATA_REG_STATUS, ATA_STATUS_BUSY, ATA_STATUS_DATA, m_io, and File::status().

Referenced by initialize(), and read().

◆ read()

FileSystem::Result ATAController::read	(	IOBuffer &	buffer,
		Size &	size,
		const Size	offset
	)

virtual

Read bytes from a drive attached to the ATA controller.

Parameters

buffer	Input/Output buffer to output bytes to.
size	Maximum number of bytes to read on input. On output, the actual number of bytes read.
offset	Offset inside the file to start reading.

Returns: Result code

Reimplemented from File.

Definition at line 101 of file ATAController.cpp.

References ATA_BASE_CMD0, ATA_CMD_READ, ATA_REG_ADDR0, ATA_REG_ADDR1, ATA_REG_ADDR2, ATA_REG_CMD, ATA_REG_COUNT, ATA_REG_DATA, ATA_REG_SELECT, ATA_SEL_MASTER_28, IOBuffer::bufferedWrite(), CEIL, drives, List< T >::first(), ATADrive::identity, FileSystem::IOError, List< T >::isEmpty(), m_io, pollReady(), IdentifyData::sectors28, and FileSystem::Success.

Field Documentation

◆ drives

List<ATADrive *> ATAController::drives

private

Drives detected on the ATA bus.

Definition at line 315 of file ATAController.h.

Referenced by initialize(), and read().

◆ m_io

Arch::IO ATAController::m_io

private

Port I/O object.

Definition at line 318 of file ATAController.h.

Referenced by initialize(), pollReady(), and read().

The documentation for this class was generated from the following files:

server/ata/ATAController.h
server/ata/ATAController.cpp

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ATAController()

Member Function Documentation

◆ initialize()

◆ interrupt()

◆ pollReady()

◆ read()

Field Documentation

◆ drives

◆ m_io