24 vhost_user_backend_dev_init(VhostUserBackend *b, VirtIODevice *vdev,  in vhost_user_backend_dev_init()  argument
29     assert(!b->vdev && vdev);  in vhost_user_backend_dev_init()
31     if (!vhost_user_init(&b->vhost_user, &b->chr, errp)) {  in vhost_user_backend_dev_init()
35     b->vdev = vdev;  in vhost_user_backend_dev_init()
36     b->dev.nvqs = nvqs;  in vhost_user_backend_dev_init()
37     b->dev.vqs = g_new0(struct vhost_virtqueue, nvqs);  in vhost_user_backend_dev_init()
39     ret = vhost_dev_init(&b->dev, &b->vhost_user, VHOST_BACKEND_TYPE_USER, 0,  in vhost_user_backend_dev_init()
49 vhost_user_backend_start(VhostUserBackend *b)  in vhost_user_backend_start()  argument
51     BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(b->vdev)));  in vhost_user_backend_start()
55     if (b->started) {  in vhost_user_backend_start()
64     ret = vhost_dev_enable_notifiers(&b->dev, b->vdev);  in vhost_user_backend_start()
69     ret = k->set_guest_notifiers(qbus->parent, b->dev.nvqs, true);  in vhost_user_backend_start()
75     b->dev.acked_features = b->vdev->guest_features;  in vhost_user_backend_start()
76     ret = vhost_dev_start(&b->dev, b->vdev, true);  in vhost_user_backend_start()
86     for (i = 0; i < b->dev.nvqs; i++) {  in vhost_user_backend_start()
87         vhost_virtqueue_mask(&b->dev, b->vdev,  in vhost_user_backend_start()
88                              b->dev.vq_index + i, false);  in vhost_user_backend_start()
91     b->started = true;  in vhost_user_backend_start()
95     k->set_guest_notifiers(qbus->parent, b->dev.nvqs, false);  in vhost_user_backend_start()
97     vhost_dev_disable_notifiers(&b->dev, b->vdev);  in vhost_user_backend_start()
101 vhost_user_backend_stop(VhostUserBackend *b)  in vhost_user_backend_stop()  argument
103     BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(b->vdev)));  in vhost_user_backend_stop()
107     if (!b->started) {  in vhost_user_backend_stop()
111     ret = vhost_dev_stop(&b->dev, b->vdev, true);  in vhost_user_backend_stop()
114         k->set_guest_notifiers(qbus->parent, b->dev.nvqs, false) < 0) {  in vhost_user_backend_stop()
119     vhost_dev_disable_notifiers(&b->dev, b->vdev);  in vhost_user_backend_stop()
120     b->started = false;  in vhost_user_backend_stop()
126     VhostUserBackend *b = VHOST_USER_BACKEND(obj);  in set_chardev()  local
129     if (b->completed) {  in set_chardev()
134     g_free(b->chr_name);  in set_chardev()
135     b->chr_name = g_strdup(value);  in set_chardev()
137     chr = qemu_chr_find(b->chr_name);  in set_chardev()
140                   "Chardev '%s' not found", b->chr_name);  in set_chardev()
144     if (!qemu_chr_fe_init(&b->chr, chr, errp)) {  in set_chardev()
148     b->completed = true;  in set_chardev()
154     VhostUserBackend *b = VHOST_USER_BACKEND(obj);  in get_chardev()  local
155     Chardev *chr = qemu_chr_fe_get_driver(&b->chr);  in get_chardev()
171     VhostUserBackend *b = VHOST_USER_BACKEND(obj);  in vhost_user_backend_finalize()  local
173     g_free(b->dev.vqs);  in vhost_user_backend_finalize()
174     g_free(b->chr_name);  in vhost_user_backend_finalize()
176     vhost_user_cleanup(&b->vhost_user);  in vhost_user_backend_finalize()
177     qemu_chr_fe_deinit(&b->chr, true);  in vhost_user_backend_finalize()