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vmm: device_manager: Shutdown all virtio devices

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When the DeviceManager is dropped explicitly shutdown() all virtio
devices.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2020-02-14 10:08:14 +00:00
parent 545ea9ea33
commit 7c9e8b103f
1 changed files with 16 additions and 2 deletions
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18
vmm/src/device_manager.rs
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@ -396,6 +396,9 @@ pub struct DeviceManager {
// Memory Manager
memory_manager: Arc<Mutex<MemoryManager>>,
// The virtio devices on the system
virtio_devices: Vec<(VirtioDeviceArc, bool)>,
}
impl DeviceManager {
@ -478,6 +481,7 @@ impl DeviceManager {
config,
migratable_devices,
memory_manager,
virtio_devices: Vec::new(),
};
device_manager
@ -499,11 +503,13 @@ impl DeviceManager {
virtio_devices.append(&mut device_manager.make_virtio_devices()?);
if cfg!(feature = "pci_support") {
device_manager.add_pci_devices(virtio_devices, &msi_interrupt_manager)?;
device_manager.add_pci_devices(virtio_devices.clone(), &msi_interrupt_manager)?;
} else if cfg!(feature = "mmio_support") {
device_manager.add_mmio_devices(virtio_devices, &legacy_interrupt_manager)?;
device_manager.add_mmio_devices(virtio_devices.clone(), &legacy_interrupt_manager)?;
}
device_manager.virtio_devices = virtio_devices;
Ok(device_manager)
}
@ -1685,3 +1691,11 @@ impl Pausable for DeviceManager {
impl Snapshotable for DeviceManager {}
impl Migratable for DeviceManager {}
impl Drop for DeviceManager {
fn drop(&mut self) {
for (device, _) in self.virtio_devices.drain(..) {
device.lock().unwrap().shutdown();
}
}
}