A console port with associated read/write state. More...

Inheritance diagram for L4virtio::Svr::Console::Device_port:

Collaboration diagram for L4virtio::Svr::Console::Device_port:

Public Member Functions
void	reset () override
	Reset the port to the initial state and disable its virtqueues.
Public Member Functions inherited from L4virtio::Svr::Console::Port
bool	is_open () const
	Check that the port is open.
bool	queues_ready () const
	Check that both virtqueues are set up correctly.
bool	rx_ready () const
	Check that device implementation may write to receive queues.
bool	tx_ready () const
	Check that device implementation may read from transmit queues.

Data Fields
Request_processor	rp
	Request processor associated with current request.
Virtqueue::Request	request
	Current virtio tx queue request.
Buffer	src
	Source data block to process.
Data Fields inherited from L4virtio::Svr::Console::Port
Virtqueue	tx
	Receiveq of the port.
Virtqueue	rx
	Transmitq of the port.
Port_status	status
	State the port is in.
Port_status	reported_status
	State the port was last reported.
unsigned	vq_max
	Maximum queue sizes for this port.

Additional Inherited Members
Public Types inherited from L4virtio::Svr::Console::Port
enum	Port_status { Port_disabled = 0 , Port_added , Port_ready , Port_open , Port_failed , Port_num_states }
	Possible states of a virtio console port. More...
enum
	Size of control queues, also used as default size.
Static Public Attributes inherited from L4virtio::Svr::Console::Port
static constexpr Transition	state_transitions [Port_num_states][Port_num_states]
	State transition table from last report state to current state.

Detailed Description

A console port with associated read/write state.

Tracks the notification of the device implementation and holds the state when receiving data from the driver.

Definition at line 26 of file virtio-console-device.

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

Public Member Functions