Type Alias devices::usb::xhci::transfer_ring_controller::TransferRingController
source · pub type TransferRingController = RingBufferController<TransferRingTrbHandler>;
Expand description
Transfer ring controller manages transfer ring.
Aliased Type§
struct TransferRingController {
name: String,
state: Mutex<RingBufferState>,
stop_callback: Mutex<Vec<RingBufferStopCallback>>,
ring_buffer: Mutex<RingBuffer>,
handler: Mutex<TransferRingTrbHandler>,
event_loop: Arc<EventLoop>,
event: Event,
}
Fields§
§name: String
§state: Mutex<RingBufferState>
§stop_callback: Mutex<Vec<RingBufferStopCallback>>
§ring_buffer: Mutex<RingBuffer>
§handler: Mutex<TransferRingTrbHandler>
§event_loop: Arc<EventLoop>
§event: Event
Implementations
source§impl<T> RingBufferController<T>where
T: 'static + TransferDescriptorHandler + Send,
impl<T> RingBufferController<T>where
T: 'static + TransferDescriptorHandler + Send,
sourcepub fn new_with_handler(
name: String,
mem: GuestMemory,
event_loop: Arc<EventLoop>,
handler: T
) -> Result<Arc<RingBufferController<T>>, Error>
pub fn new_with_handler( name: String, mem: GuestMemory, event_loop: Arc<EventLoop>, handler: T ) -> Result<Arc<RingBufferController<T>>, Error>
Create a ring buffer controller and add it to event loop.
fn lock_ring_buffer(&self) -> MutexGuard<'_, RingBuffer>
sourcepub fn get_dequeue_pointer(&self) -> GuestAddress
pub fn get_dequeue_pointer(&self) -> GuestAddress
Get dequeue pointer of the internal ring buffer.
sourcepub fn set_dequeue_pointer(&self, ptr: GuestAddress)
pub fn set_dequeue_pointer(&self, ptr: GuestAddress)
Set dequeue pointer of the internal ring buffer.
sourcepub fn get_consumer_cycle_state(&self) -> bool
pub fn get_consumer_cycle_state(&self) -> bool
Get consumer cycle state.
sourcepub fn set_consumer_cycle_state(&self, state: bool)
pub fn set_consumer_cycle_state(&self, state: bool)
Set consumer cycle state.
sourcepub fn stop(&self, callback: RingBufferStopCallback)
pub fn stop(&self, callback: RingBufferStopCallback)
Stop the ring buffer asynchronously.