29 static int virtbt_add_inbuf(struct virtio_bluetooth *vbt)  in virtbt_add_inbuf()  argument
31 	struct virtqueue *vq = vbt->vqs[VIRTBT_VQ_RX];  in virtbt_add_inbuf()
56 static int virtbt_open_vdev(struct virtio_bluetooth *vbt)  in virtbt_open_vdev()  argument
58 	if (virtbt_add_inbuf(vbt) < 0)  in virtbt_open_vdev()
61 	virtqueue_kick(vbt->vqs[VIRTBT_VQ_RX]);  in virtbt_open_vdev()
70 static int virtbt_close_vdev(struct virtio_bluetooth *vbt)  in virtbt_close_vdev()  argument
74 	cancel_work_sync(&vbt->rx);  in virtbt_close_vdev()
76 	for (i = 0; i < ARRAY_SIZE(vbt->vqs); i++) {  in virtbt_close_vdev()
77 		struct virtqueue *vq = vbt->vqs[i];  in virtbt_close_vdev()
95 	struct virtio_bluetooth *vbt = hci_get_drvdata(hdev);  in virtbt_send_frame()  local
102 	err = virtqueue_add_outbuf(vbt->vqs[VIRTBT_VQ_TX], sg, 1, skb,  in virtbt_send_frame()
109 	virtqueue_kick(vbt->vqs[VIRTBT_VQ_TX]);  in virtbt_send_frame()
198 static void virtbt_rx_handle(struct virtio_bluetooth *vbt, struct sk_buff *skb)  in virtbt_rx_handle()  argument
211 		hci_recv_frame(vbt->hdev, skb);  in virtbt_rx_handle()
221 	struct virtio_bluetooth *vbt = container_of(work,  in virtbt_rx_work()  local
226 	skb = virtqueue_get_buf(vbt->vqs[VIRTBT_VQ_RX], &len);  in virtbt_rx_work()
231 	virtbt_rx_handle(vbt, skb);  in virtbt_rx_work()
233 	if (virtbt_add_inbuf(vbt) < 0)  in virtbt_rx_work()
236 	virtqueue_kick(vbt->vqs[VIRTBT_VQ_RX]);  in virtbt_rx_work()
250 	struct virtio_bluetooth *vbt = vq->vdev->priv;  in virtbt_rx_done()  local
252 	schedule_work(&vbt->rx);  in virtbt_rx_done()
265 	struct virtio_bluetooth *vbt;  in virtbt_probe()  local
283 	vbt = kzalloc(sizeof(*vbt), GFP_KERNEL);  in virtbt_probe()
284 	if (!vbt)  in virtbt_probe()
287 	vdev->priv = vbt;  in virtbt_probe()
288 	vbt->vdev = vdev;  in virtbt_probe()
290 	INIT_WORK(&vbt->rx, virtbt_rx_work);  in virtbt_probe()
292 	err = virtio_find_vqs(vdev, VIRTBT_NUM_VQS, vbt->vqs, callbacks,  in virtbt_probe()
303 	vbt->hdev = hdev;  in virtbt_probe()
307 	hci_set_drvdata(hdev, vbt);  in virtbt_probe()
375 	err = virtbt_open_vdev(vbt);  in virtbt_probe()
390 	struct virtio_bluetooth *vbt = vdev->priv;  in virtbt_remove()  local
391 	struct hci_dev *hdev = vbt->hdev;  in virtbt_remove()
395 	virtbt_close_vdev(vbt);  in virtbt_remove()
398 	vbt->hdev = NULL;  in virtbt_remove()
401 	kfree(vbt);  in virtbt_remove()