Struct devices::virtio::console::asynchronous::ConsoleDevice

pub struct ConsoleDevice {
    avail_features: u64,
    port0: ConsolePort,
    control_port: Option<ControlPort>,
    extra_ports: Vec<ConsolePort>,
}

Console device with an optional control port to support for multiport

Fields

avail_features: u64

port0: ConsolePort

control_port: Option<ControlPort>

extra_ports: Vec<ConsolePort>

Implementations

impl ConsoleDevice

pub fn new_multi_port( protection_type: ProtectionType, port0: ConsolePort, extra_ports: Vec<ConsolePort> ) -> ConsoleDevice

Create a console device with the multiport feature enabled The multiport feature is referred to virtio spec.

pub fn avail_features(&self) -> u64

Return available features

pub fn is_multi_port(&self) -> bool

Return whether current console device supports multiport feature

pub fn max_ports(&self) -> usize

Return the number of the port initiated by the console device

pub fn max_queues(&self) -> usize

Returns the maximum number of queues supported by this device.

fn get_console_port(&mut self, port_id: usize) -> Result<&mut ConsolePort>

Return the reference of the console port by port_id

pub fn start_queue( &mut self, ex: &Executor, idx: usize, queue: Arc<Mutex<Queue>>, doorbell: Interrupt ) -> Result<()>

Start the queue with the index idx

pub fn stop_queue(&mut self, idx: usize) -> Result<bool>

Stop the queue with the index idx

Trait Implementations

impl SerialDevice for ConsoleDevice

fn new( protection_type: ProtectionType, evt: Event, input: Option<Box<dyn SerialInput>>, output: Option<Box<dyn Write + Send>>, sync: Option<Box<dyn FileSync + Send>>, options: SerialOptions, keep_rds: Vec<RawDescriptor> ) -> ConsoleDevice

Create a default console device, without multiport support