Struct VfioDevice

pub struct VfioDevice { /* private fields */ }

A device backend accessed via VFIO.

Implementations

impl VfioDevice

pub async fn new( driver_source: &VmTaskDriverSource, pci_id: &str, dma_client: Arc<dyn DmaClient>, ) -> Result<Self>

Creates a new VFIO-backed device for the PCI device with pci_id.

pub async fn restore( driver_source: &VmTaskDriverSource, pci_id: &str, keepalive: bool, dma_client: Arc<dyn DmaClient>, ) -> Result<Self>

Creates a new VFIO-backed device for the PCI device with pci_id. or creates a device from the saved state if provided.

pub fn read_config(&self, offset: u16) -> Result<u32>

pub fn write_config(&self, offset: u16, data: u32) -> Result<()>

Trait Implementations

impl DeviceBacking for VfioDevice

type Registers = MappedRegionWithFallback

An object for accessing device registers.

fn id(&self) -> &str

Returns a device ID for diagnostics.

fn map_bar(&mut self, n: u8) -> Result<Self::Registers>

Maps a BAR.

fn dma_client(&self) -> Arc<dyn DmaClient>

DMA Client for the device.

fn max_interrupt_count(&self) -> u32

Returns the maximum number of interrupts that can be mapped.

fn map_interrupt(&mut self, msix: u32, cpu: u32) -> Result<DeviceInterrupt>

Maps a MSI-X interrupt for use, returning an object that can be used to wait for the interrupt to be signaled by the device.

fn unmap_all_interrupts(&mut self) -> Result<()>

Unmaps and disables all previously mapped interrupts.

impl Inspect for VfioDevice

fn inspect(&self, req: Request<'_>)

Inspects the object.