Method add_pvpanic_device

vmm/src/device_manager.rs:4348–4383

(
        &mut self,
    )

    }

    fn add_pvpanic_device(
        &mut self,
    ) -> DeviceManagerResult<Option<Arc<Mutex<devices::PvPanicDevice>>>> {
        let id = String::from(PVPANIC_DEVICE_NAME);
        let pci_segment_id = 0x0_u16;

        info!("Creating pvpanic device {id}");

        let (pci_segment_id, pci_device_bdf, resources) =
            self.pci_resources(&id, pci_segment_id, None)?;

        let snapshot = snapshot_from_id(self.snapshot.as_ref(), id.as_str());

        let pvpanic_device = devices::PvPanicDevice::new(id.clone(), snapshot)
            .map_err(DeviceManagerError::PvPanicCreate)?;

        let pvpanic_device = Arc::new(Mutex::new(pvpanic_device));

        let new_resources = self.add_pci_device(
            pvpanic_device.clone(),
            pvpanic_device.clone(),
            pci_segment_id,
            pci_device_bdf,
            resources,
        )?;

        let mut node = device_node!(id, pvpanic_device);

        node.resources = new_resources;
        node.pci_bdf = Some(pci_device_bdf);
        node.pci_device_handle = None;

        self.device_tree.lock().unwrap().insert(id, node);

        Ok(Some(pvpanic_device))
    }

    #[cfg(feature = "ivshmem")]
    fn add_ivshmem_device(