19 #include <linux/poll.h>
157 	struct vhost_poll *poll;  in vhost_poll_func()  local
159 	poll = container_of(pt, struct vhost_poll, table);  in vhost_poll_func()
160 	poll->wqh = wqh;  in vhost_poll_func()
161 	add_wait_queue(wqh, &poll->wait);  in vhost_poll_func()
167 	struct vhost_poll *poll = container_of(wait, struct vhost_poll, wait);  in vhost_poll_wakeup()  local
168 	struct vhost_work *work = &poll->work;  in vhost_poll_wakeup()
170 	if (!(key_to_poll(key) & poll->mask))  in vhost_poll_wakeup()
173 	if (!poll->dev->use_worker)  in vhost_poll_wakeup()
176 		vhost_poll_queue(poll);  in vhost_poll_wakeup()
188 /* Init poll structure */
189 void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn,  in vhost_poll_init()  argument
192 	init_waitqueue_func_entry(&poll->wait, vhost_poll_wakeup);  in vhost_poll_init()
193 	init_poll_funcptr(&poll->table, vhost_poll_func);  in vhost_poll_init()
194 	poll->mask = mask;  in vhost_poll_init()
195 	poll->dev = dev;  in vhost_poll_init()
196 	poll->wqh = NULL;  in vhost_poll_init()
198 	vhost_work_init(&poll->work, fn);  in vhost_poll_init()
204 int vhost_poll_start(struct vhost_poll *poll, struct file *file)  in vhost_poll_start()  argument
208 	if (poll->wqh)  in vhost_poll_start()
211 	mask = vfs_poll(file, &poll->table);  in vhost_poll_start()
213 		vhost_poll_wakeup(&poll->wait, 0, 0, poll_to_key(mask));  in vhost_poll_start()
215 		vhost_poll_stop(poll);  in vhost_poll_start()
225 void vhost_poll_stop(struct vhost_poll *poll)  in vhost_poll_stop()  argument
227 	if (poll->wqh) {  in vhost_poll_stop()
228 		remove_wait_queue(poll->wqh, &poll->wait);  in vhost_poll_stop()
229 		poll->wqh = NULL;  in vhost_poll_stop()
250 void vhost_poll_flush(struct vhost_poll *poll)  in vhost_poll_flush()  argument
252 	vhost_work_flush(poll->dev, &poll->work);  in vhost_poll_flush()
279 void vhost_poll_queue(struct vhost_poll *poll)  in vhost_poll_queue()  argument
281 	vhost_work_queue(poll->dev, &poll->work);  in vhost_poll_queue()
433 		vhost_poll_queue(&vq->poll);  in vhost_exceeds_weight()
506 			vhost_poll_init(&vq->poll, vq->handle_kick,  in vhost_dev_init()
665 			vhost_poll_stop(&dev->vqs[i]->poll);  in vhost_dev_stop()
666 			vhost_poll_flush(&dev->vqs[i]->poll);  in vhost_dev_stop()
1061 			vhost_poll_queue(&node->vq->poll);  in vhost_iotlb_notify_vq()
1696 		vhost_poll_stop(&vq->poll);  in vhost_vring_ioctl()
1704 		r = vhost_poll_start(&vq->poll, vq->kick);  in vhost_vring_ioctl()
1709 		vhost_poll_flush(&vq->poll);  in vhost_vring_ioctl()