Method create_vfio_ops

vmm/src/device_manager.rs:3777–3812

(&self)

    }

    fn create_vfio_ops(&self) -> DeviceManagerResult<Arc<dyn VfioOps>> {
        let passthrough_device = self
            .passthrough_device
            .as_ref()
            .ok_or(DeviceManagerError::NoDevicePassthroughSupport)?;

        let dup = passthrough_device
            .try_clone()
            .map_err(DeviceManagerError::VfioCreate)?;

        let iommufd = self
            .config
            .lock()
            .unwrap()
            .platform
            .as_ref()
            .is_some_and(|p| p.iommufd);

        if iommufd {
            #[cfg(feature = "kvm")]
            {
                info!("Using vfio cdev mode with iommufd.");
                let iommufd = IommuFd::new().map_err(DeviceManagerError::IommufdCreate)?;
                let vfio_iommufd = VfioIommufd::new(Arc::new(iommufd), None, Some(Arc::new(dup)))
                    .map_err(DeviceManagerError::VfioCreate)?;
                Ok(Arc::new(vfio_iommufd))
            }
            #[cfg(not(feature = "kvm"))]
            Err(DeviceManagerError::IommufdNotSupported)
        } else {
            info!("Using vfio legacy mode with vfio container/group.");
            Ok(Arc::new(
                VfioContainer::new(Some(Arc::new(dup))).map_err(DeviceManagerError::VfioCreate)?,
            ))
        }
    }

    fn add_vfio_device(
        &mut self,