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vmm: device_manager: use generic names for passthrough device

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Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu 2020-07-17 15:20:47 +00:00 committed by Samuel Ortiz
parent ff8d7bfe83
commit 821892419c
1 changed files with 12 additions and 12 deletions
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24
vmm/src/device_manager.rs
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@ -235,8 +235,8 @@ pub enum DeviceManagerError {
#[cfg(feature = "pci_support")]
VfioMapRegion(pci::VfioPciError),
/// Failed to create the KVM device.
CreateKvmDevice(anyhow::Error),
/// Failed to create the passthrough device.
CreatePassthroughDevice(anyhow::Error),
/// Failed to memory map.
Mmap(io::Error),
@ -740,9 +740,9 @@ pub struct DeviceManager {
// MSI Interrupt Manager
msi_interrupt_manager: Arc<dyn InterruptManager<GroupConfig = MsiIrqGroupConfig>>,
// VFIO KVM device
// Passthrough device handle
#[cfg(feature = "pci_support")]
kvm_device_fd: Option<Arc<DeviceFd>>,
passthrough_device: Option<Arc<DeviceFd>>,
// Paravirtualized IOMMU
#[cfg(feature = "pci_support")]
@ -831,7 +831,7 @@ impl DeviceManager {
pci_bus: None,
msi_interrupt_manager,
#[cfg(feature = "pci_support")]
kvm_device_fd: None,
passthrough_device: None,
#[cfg(feature = "pci_support")]
iommu_device: None,
#[cfg(feature = "pci_support")]
@ -2492,14 +2492,14 @@ impl DeviceManager {
let mut devices = self.config.lock().unwrap().devices.clone();
if let Some(device_list_cfg) = &mut devices {
// Create the KVM VFIO device
// Create the passthrough device handle
let device_fd = self
.address_manager
.vm
.create_passthrough_device()
.map_err(|e| DeviceManagerError::CreateKvmDevice(e.into()))?;
.map_err(|e| DeviceManagerError::CreatePassthroughDevice(e.into()))?;
let device_fd = Arc::new(device_fd);
self.kvm_device_fd = Some(Arc::clone(&device_fd));
self.passthrough_device = Some(Arc::clone(&device_fd));
for device_cfg in device_list_cfg.iter_mut() {
let (device_id, _) =
@ -2918,19 +2918,19 @@ impl DeviceManager {
let interrupt_manager = Arc::clone(&self.msi_interrupt_manager);
let device_fd = if let Some(device_fd) = &self.kvm_device_fd {
let device_fd = if let Some(device_fd) = &self.passthrough_device {
Arc::clone(&device_fd)
} else {
// If the VFIO KVM device file descriptor has not been created yet,
// If the passthrough device file descriptor has not been created yet,
// it is created here and stored in the DeviceManager structure for
// future needs.
let device_fd = self
.address_manager
.vm
.create_passthrough_device()
.map_err(|e| DeviceManagerError::CreateKvmDevice(e.into()))?;
.map_err(|e| DeviceManagerError::CreatePassthroughDevice(e.into()))?;
let device_fd = Arc::new(device_fd);
self.kvm_device_fd = Some(Arc::clone(&device_fd));
self.passthrough_device = Some(Arc::clone(&device_fd));
device_fd
};