PciBus Class Reference

#include <Pci.h>

Collaboration diagram for PciBus:

Classes
struct	ConfigSpace

Public Member Functions
void	initialise ()
uint32_t	readConfigSpace (Device *pDev, uint8_t offset)
uint32_t	readConfigSpace (uint8_t bus, uint8_t device, uint8_t function, uint8_t offset)
void	writeConfigSpace (Device *pDev, uint8_t offset, uint32_t data)
void	writeConfigSpace (uint8_t bus, uint8_t device, uint8_t function, uint8_t offset, uint32_t data)
struct PciBus::ConfigSpace	__attribute__ ((packed))

Static Public Member Functions
static PciBus &	instance ()

Static Private Attributes
static PciBus	m_Instance

Detailed Description

Architecture-independent interface to a PCI bus

Definition at line 29 of file Pci.h.

Member Function Documentation

void PciBus::initialise

(

)

Initialises the object for use.

Definition at line 59 of file Pci.cc.

References IoPort::allocate(), ERROR, IoPort::read32(), and IoPort::write32().

Referenced by Pc::initialiseDeviceTree().

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uint32_t PciBus::readConfigSpace	(	Device *	pDev,
		uint8_t	offset
	)

Reads from the configuration space

Parameters

pDev	the device to read configuration space for
offset	the offset into the configuration space to read

Definition at line 75 of file Pci.cc.

References Device::getPciBusPosition(), Device::getPciDevicePosition(), Device::getPciFunctionNumber(), IoPort::read32(), and IoPort::write32().

Referenced by Ehci::initialiseController(), and PciAtaController::PciAtaController().

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uint32_t PciBus::readConfigSpace	(	uint8_t	bus,
		uint8_t	device,
		uint8_t	function,
		uint8_t	offset
	)

Reads from the configuration space

Parameters

bus	bus number for the read address
device	device number for the read address
function	function number for the read address
offset	the offset into the configuration space to read

Definition at line 89 of file Pci.cc.

References IoPort::read32(), and IoPort::write32().

void PciBus::writeConfigSpace	(	Device *	pDev,
		uint8_t	offset,
		uint32_t	data
	)

Writes to the configuration space

Parameters

pDev	the device to write configuration space for
offset	the offset into the configuration space to write
data	the data to write

Definition at line 104 of file Pci.cc.

References Device::getPciBusPosition(), Device::getPciDevicePosition(), Device::getPciFunctionNumber(), and IoPort::write32().

Referenced by Ehci::initialiseController(), and PciAtaController::PciAtaController().

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void PciBus::writeConfigSpace	(	uint8_t	bus,
		uint8_t	device,
		uint8_t	function,
		uint8_t	offset,
		uint32_t	data
	)

Writes to the configuration space

Parameters

bus	bus number for the write address
device	device number for the write address
function	function number for the write address
offset	the offset into the configuration space to write
data	the data to write

Definition at line 118 of file Pci.cc.

References IoPort::write32().

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

• Pci.h
• Pci.cc