Virtio::PciTransport Class Reference

Collaboration diagram for Virtio::PciTransport:

Classes
struct	Capability

Public Member Functions
	PciTransport (Device *device)
bool	initialise ()
bool	negotiate (uint64_t supportedFeatures, uint64_t requiredFeatures=0)
bool	setupQueue (uint16_t index, Queue &queue)
bool	ready ()
bool	reset ()
uint8_t	readIsr ()
void	notify (uint16_t index)
uint64_t	features () const
bool	writeDeviceConfig8 (uint16_t offset, uint8_t value)
bool	readDeviceConfig8 (uint16_t offset, uint8_t &value)
bool	readDeviceConfig16 (uint16_t offset, uint16_t &value)
bool	readDeviceConfig32 (uint16_t offset, uint32_t &value)
bool	readDeviceConfig64 (uint16_t offset, uint64_t &value)

Private Member Functions
bool	locateCapabilities ()
bool	readConfig (uint16_t offset, unsigned width, uint64_t &value)
bool	status (uint8_t bits)
bool	isDmaActive () const

Private Attributes
Device *	m_Device
Capability	m_Common
Capability	m_Notify
Capability	m_Isr
Capability	m_DeviceConfig
PciFunctionState::State	m_Original
Queue *	m_Queues [MaxQueues]
uint32_t	m_NotifyOffsets [MaxQueues]
uint32_t	m_NotifyMultiplier
uint64_t	m_Features
uint16_t	m_NumQueues
bool	m_PciChanged
bool	m_Initialised
bool	m_Negotiated
bool	m_DmaActive

Static Private Attributes
static constexpr size_t	MaxQueues = 64

Friends
class	Queue

Detailed Description

Definition at line 16 of file VirtioPci.h.

Constructor & Destructor Documentation

PciTransport()

PciTransport::PciTransport ( Device *  device )

explicit

Definition at line 28 of file VirtioPci.cc.

~PciTransport()

PciTransport::~PciTransport

(

)

Definition at line 45 of file VirtioPci.cc.

Member Function Documentation

features()

uint64_t Virtio::PciTransport::features ( ) const

inline

Definition at line 30 of file VirtioPci.h.

initialise()

bool PciTransport::initialise

(

)

Definition at line 150 of file VirtioPci.cc.

isDmaActive()

bool Virtio::PciTransport::isDmaActive ( ) const

inlineprivate

Definition at line 52 of file VirtioPci.h.

locateCapabilities()

bool PciTransport::locateCapabilities ( )

private

Definition at line 55 of file VirtioPci.cc.

negotiate()

bool PciTransport::negotiate	(	uint64_t	supportedFeatures,
		uint64_t	requiredFeatures = 0
	)

Definition at line 184 of file VirtioPci.cc.

notify()

void PciTransport::notify

(

uint16_t

index

)

Definition at line 320 of file VirtioPci.cc.

readConfig()

bool PciTransport::readConfig ( uint16_t  offset, unsigned  width, uint64_t &  value  )

private

Definition at line 336 of file VirtioPci.cc.

readDeviceConfig16()

bool PciTransport::readDeviceConfig16	(	uint16_t	offset,
		uint16_t &	value
	)

Definition at line 376 of file VirtioPci.cc.

readDeviceConfig32()

bool PciTransport::readDeviceConfig32	(	uint16_t	offset,
		uint32_t &	value
	)

Definition at line 384 of file VirtioPci.cc.

readDeviceConfig64()

bool PciTransport::readDeviceConfig64	(	uint16_t	offset,
		uint64_t &	value
	)

Definition at line 392 of file VirtioPci.cc.

readDeviceConfig8()

bool PciTransport::readDeviceConfig8	(	uint16_t	offset,
		uint8_t &	value
	)

Definition at line 368 of file VirtioPci.cc.

readIsr()

uint8_t PciTransport::readIsr

(

)

Definition at line 316 of file VirtioPci.cc.

ready()

bool PciTransport::ready

(

)

Definition at line 257 of file VirtioPci.cc.

reset()

bool PciTransport::reset

(

)

Definition at line 285 of file VirtioPci.cc.

setupQueue()

bool PciTransport::setupQueue	(	uint16_t	index,
		Queue &	queue
	)

Definition at line 212 of file VirtioPci.cc.

status()

bool PciTransport::status ( uint8_t  bits )

private

Definition at line 137 of file VirtioPci.cc.

writeDeviceConfig8()

bool PciTransport::writeDeviceConfig8	(	uint16_t	offset,
		uint8_t	value
	)

Definition at line 328 of file VirtioPci.cc.

Friends And Related Symbol Documentation

Queue

friend class Queue

friend

Definition at line 40 of file VirtioPci.h.

Member Data Documentation

m_Common

Capability Virtio::PciTransport::m_Common

private

Definition at line 57 of file VirtioPci.h.

m_Device

Device* Virtio::PciTransport::m_Device

private

Definition at line 56 of file VirtioPci.h.

m_DeviceConfig

Capability Virtio::PciTransport::m_DeviceConfig

private

Definition at line 60 of file VirtioPci.h.

m_DmaActive

bool Virtio::PciTransport::m_DmaActive

private

Definition at line 70 of file VirtioPci.h.

m_Features

uint64_t Virtio::PciTransport::m_Features

private

Definition at line 65 of file VirtioPci.h.

m_Initialised

bool Virtio::PciTransport::m_Initialised

private

Definition at line 68 of file VirtioPci.h.

m_Isr

Capability Virtio::PciTransport::m_Isr

private

Definition at line 59 of file VirtioPci.h.

m_Negotiated

bool Virtio::PciTransport::m_Negotiated

private

Definition at line 69 of file VirtioPci.h.

m_Notify

Capability Virtio::PciTransport::m_Notify

private

Definition at line 58 of file VirtioPci.h.

m_NotifyMultiplier

uint32_t Virtio::PciTransport::m_NotifyMultiplier

private

Definition at line 64 of file VirtioPci.h.

m_NotifyOffsets

uint32_t Virtio::PciTransport::m_NotifyOffsets[MaxQueues]

private

Definition at line 63 of file VirtioPci.h.

m_NumQueues

uint16_t Virtio::PciTransport::m_NumQueues

private

Definition at line 66 of file VirtioPci.h.

m_Original

PciFunctionState::State Virtio::PciTransport::m_Original

private

Definition at line 61 of file VirtioPci.h.

m_PciChanged

bool Virtio::PciTransport::m_PciChanged

private

Definition at line 67 of file VirtioPci.h.

m_Queues

Queue* Virtio::PciTransport::m_Queues[MaxQueues]

private

Definition at line 62 of file VirtioPci.h.

MaxQueues

constexpr size_t Virtio::PciTransport::MaxQueues = 64

staticconstexprprivate

Definition at line 41 of file VirtioPci.h.

---

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

• VirtioPci.h
• VirtioPci.cc