(&mut self, context: crate::device::ActivationContext)
| 271 | } |
| 272 | |
| 273 | fn activate(&mut self, context: crate::device::ActivationContext) -> ActivateResult { |
| 274 | let crate::device::ActivationContext { |
| 275 | mem, |
| 276 | interrupt_cb, |
| 277 | mut queues, |
| 278 | device_status, |
| 279 | } = context; |
| 280 | self.vu_common |
| 281 | .virtio_common |
| 282 | .activate(&queues, interrupt_cb.clone())?; |
| 283 | self.guest_memory = Some(mem.clone()); |
| 284 | |
| 285 | let num_queues = queues.len(); |
| 286 | let event_idx = self |
| 287 | .vu_common |
| 288 | .virtio_common |
| 289 | .feature_acked(VIRTIO_RING_F_EVENT_IDX.into()); |
| 290 | if self |
| 291 | .vu_common |
| 292 | .virtio_common |
| 293 | .feature_acked(VIRTIO_NET_F_CTRL_VQ.into()) |
| 294 | && !num_queues.is_multiple_of(2) |
| 295 | { |
| 296 | let ctrl_queue_index = num_queues - 1; |
| 297 | let (_, mut ctrl_queue, ctrl_queue_evt) = queues.remove(ctrl_queue_index); |
| 298 | |
| 299 | ctrl_queue.set_event_idx(event_idx); |
| 300 | |
| 301 | let (kill_evt, pause_evt) = self.vu_common.virtio_common.dup_eventfds(); |
| 302 | |
| 303 | let mut ctrl_handler = NetCtrlEpollHandler { |
| 304 | mem: mem.clone(), |
| 305 | kill_evt, |
| 306 | pause_evt, |
| 307 | ctrl_q: CtrlQueue::new(Vec::new()), |
| 308 | queue: ctrl_queue, |
| 309 | queue_evt: ctrl_queue_evt, |
| 310 | access_platform: None, |
| 311 | interrupt_cb: interrupt_cb.clone(), |
| 312 | queue_index: ctrl_queue_index as u16, |
| 313 | }; |
| 314 | |
| 315 | let paused = self.vu_common.virtio_common.paused.clone(); |
| 316 | // Let's update the barrier as we need 1 for the control queue |
| 317 | // thread + 1 for the common vhost-user thread + 1 for the main |
| 318 | // thread signalling the pause. |
| 319 | self.vu_common.virtio_common.paused_sync = Some(Arc::new(Barrier::new(3))); |
| 320 | let paused_sync = self.vu_common.virtio_common.paused_sync.clone(); |
| 321 | |
| 322 | let mut epoll_threads = Vec::new(); |
| 323 | spawn_virtio_thread( |
| 324 | &format!("{}_ctrl", &self.id), |
| 325 | &self.seccomp_action, |
| 326 | Thread::VirtioVhostNetCtl, |
| 327 | &mut epoll_threads, |
| 328 | &self.exit_evt, |
| 329 | device_status.clone(), |
| 330 | interrupt_cb.clone(), |
nothing calls this directly
no test coverage detected