Exemple #1
0
/* A VirtIODevice is being plugged */
void virtio_bus_device_plugged(VirtIODevice *vdev, Error **errp)
{
    DeviceState *qdev = DEVICE(vdev);
    BusState *qbus = BUS(qdev_get_parent_bus(qdev));
    VirtioBusState *bus = VIRTIO_BUS(qbus);
    VirtioBusClass *klass = VIRTIO_BUS_GET_CLASS(bus);
    VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev);

    DPRINTF("%s: plug device.\n", qbus->name);

    if (klass->device_plugged != NULL) {
        klass->device_plugged(qbus->parent, errp);
    }

    /* Get the features of the plugged device. */
    assert(vdc->get_features != NULL);
    vdev->host_features = vdc->get_features(vdev, vdev->host_features,
                                            errp);
    if (klass->post_plugged != NULL) {
        klass->post_plugged(qbus->parent, errp);
    }
}