Struct PassthroughDevice 

pub struct PassthroughDevice {
    pub device_type: PassthroughDeviceType,
    pub pci_config: PciConfigPassthrough,
    pub mmio_regions: Vec<MmioRegion>,
    pub msix_remaps: Vec<MsixRemap>,
    pub assigned: bool,
    pub owner_vm_id: u64,
}

A passthrough device assigned to a guest VM

Fields

device_type: PassthroughDeviceType

Device type

pci_config: PciConfigPassthrough

PCI configuration space

mmio_regions: Vec<MmioRegion>

MMIO regions mapped into guest

msix_remaps: Vec<MsixRemap>

MSI-X vector remappings

assigned: bool

Whether the device is currently assigned to a guest

owner_vm_id: u64

VM ID that owns this device

Implementations

impl PassthroughDevice

pub fn new( device_type: PassthroughDeviceType, vendor_id: u16, device_id: u16, bdf: u32, ) -> Self

pub fn assign_to_vm(&mut self, vm_id: u64) -> Result<(), VmError>

Assign device to a VM

pub fn unassign(&mut self)

Unassign device from VM (reset on guest exit)

pub fn add_mmio_region(&mut self, host_phys: u64, guest_phys: u64, size: u64)

Add an MMIO region mapping

pub fn add_msix_remap( &mut self, host_vector: u16, guest_vector: u16, target_vcpu: u8, )

Add an MSI-X remap entry

pub fn remap_interrupt(&self, host_vector: u16) -> Option<(u16, u8)>

Look up guest vector for a host interrupt

pub fn reset(&mut self)

Reset device to initial state

pub fn is_assigned(&self) -> bool

pub fn mmio_region_count(&self) -> usize

pub fn msix_remap_count(&self) -> usize