HostAhciPort Class Reference

A single AHCI port with its command list and receive FIS buffer. More...

Inheritance diagram for HostAhciPort:

Public Member Functions
unsigned	init (unsigned short *buffer)
	Initialize the port.
void	debug ()
void	irq ()
bool	receive (MessageDisk &msg)
	HostAhciPort (HostAhciPortRegister *regs, DBus< MessageHostOp > &bus_hostop, DBus< MessageDiskCommit > &bus_commit, Clock *clock, unsigned disknr, unsigned max_slots, bool dmar)
Public Member Functions inherited from StaticReceiver< HostAhciPort >
	StaticReceiver ()
Public Member Functions inherited from Device
void	debug_dump ()
	Device (const char *debug_name)

Private Member Functions
unsigned	wait_timeout (volatile unsigned *reg, unsigned mask, unsigned value)
void	addr2phys (void *ptr, volatile unsigned *dst)
	Translate a virtual to a physical address.
void	set_command (unsigned char command, unsigned long long sector, bool read, unsigned count=0, bool atapi=false, unsigned pmp=0, unsigned features=0)
bool	add_dma (char *ptr, unsigned count)
bool	add_prd (void *buffer, unsigned count)
unsigned	start_command (unsigned long usertag)
unsigned	identify_drive (unsigned short *buffer)
unsigned	set_features (unsigned features, unsigned count=0)

Private Attributes
HostAhciPortRegister volatile *	_regs
DBus< MessageHostOp > &	_bus_hostop
DBus< MessageDiskCommit > &	_bus_commit
Clock *	_clock
unsigned	_disknr
unsigned	_max_slots
bool	_dmar
unsigned *	_cl
unsigned *	_ct
unsigned *	_fis
unsigned	_tag
HostGenericAta	_params
unsigned long	_usertags [32]
unsigned	_inprogress

Static Private Attributes
static const unsigned	CL_DWORDS = 8
static const unsigned	MAX_PRD_COUNT = 64
static unsigned const	FREQ = 1000
static unsigned const	TIMEOUT = 200

Additional Inherited Members
Static Public Member Functions inherited from StaticReceiver< HostAhciPort >
static bool	receive_static (Device *o, M &msg)

Detailed Description

A single AHCI port with its command list and receive FIS buffer.

State: testing Supports: read-sectors, write-sectors, identify-drive Missing: ATAPI detection

Constructor & Destructor Documentation

HostAhciPort::HostAhciPort ( HostAhciPortRegister *  regs, DBus< MessageHostOp > &  bus_hostop, DBus< MessageDiskCommit > &  bus_commit, Clock *  clock, unsigned  disknr, unsigned  max_slots, bool  dmar  )

inline

Member Function Documentation

bool HostAhciPort::add_dma ( char *  ptr, unsigned  count  )

inlineprivate

bool HostAhciPort::add_prd ( void *  buffer, unsigned  count  )

inlineprivate

void HostAhciPort::addr2phys ( void *  ptr, volatile unsigned *  dst  )

inlineprivate

Translate a virtual to a physical address.

void HostAhciPort::debug ( )

inline

unsigned HostAhciPort::identify_drive ( unsigned short *  buffer )

inlineprivate

unsigned HostAhciPort::init ( unsigned short *  buffer )

inline

Initialize the port.

void HostAhciPort::irq ( )

inline

bool HostAhciPort::receive ( MessageDisk &  msg )

inline

void HostAhciPort::set_command ( unsigned char  command, unsigned long long  sector, bool  read, unsigned  count = 0, bool  atapi = false, unsigned  pmp = 0, unsigned  features = 0  )

inlineprivate

unsigned HostAhciPort::set_features ( unsigned  features, unsigned  count = 0  )

inlineprivate

unsigned HostAhciPort::start_command ( unsigned long  usertag )

inlineprivate

unsigned HostAhciPort::wait_timeout ( volatile unsigned *  reg, unsigned  mask, unsigned  value  )

inlineprivate

Member Data Documentation

DBus<MessageDiskCommit>& HostAhciPort::_bus_commit

private

DBus<MessageHostOp>& HostAhciPort::_bus_hostop

private

unsigned* HostAhciPort::_cl

private

Clock* HostAhciPort::_clock

private

unsigned* HostAhciPort::_ct

private

unsigned HostAhciPort::_disknr

private

bool HostAhciPort::_dmar

private

unsigned* HostAhciPort::_fis

private

unsigned HostAhciPort::_inprogress

private

unsigned HostAhciPort::_max_slots

private

HostGenericAta HostAhciPort::_params

private

HostAhciPortRegister volatile* HostAhciPort::_regs

private

unsigned HostAhciPort::_tag

private

unsigned long HostAhciPort::_usertags[32]

private

const unsigned HostAhciPort::CL_DWORDS = 8

staticprivate

unsigned const HostAhciPort::FREQ = 1000

staticprivate

const unsigned HostAhciPort::MAX_PRD_COUNT = 64

staticprivate

unsigned const HostAhciPort::TIMEOUT = 200

staticprivate

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

• base/host/hostahci.cc