diff options
Diffstat (limited to 'hw/char/virtio-console.c')
| -rw-r--r-- | hw/char/virtio-console.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c index 198b2a89c0..172c72d06c 100644 --- a/hw/char/virtio-console.c +++ b/hw/char/virtio-console.c @@ -187,6 +187,26 @@ static int chr_be_change(void *opaque) return 0; } +static void virtconsole_enable_backend(VirtIOSerialPort *port, bool enable) +{ + VirtConsole *vcon = VIRTIO_CONSOLE(port); + + if (!qemu_chr_fe_backend_connected(&vcon->chr)) { + return; + } + + if (enable) { + VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(port); + + qemu_chr_fe_set_handlers(&vcon->chr, chr_can_read, chr_read, + k->is_console ? NULL : chr_event, + chr_be_change, vcon, NULL, false); + } else { + qemu_chr_fe_set_handlers(&vcon->chr, NULL, NULL, NULL, + NULL, NULL, NULL, false); + } +} + static void virtconsole_realize(DeviceState *dev, Error **errp) { VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev); @@ -258,6 +278,7 @@ static void virtserialport_class_init(ObjectClass *klass, void *data) k->unrealize = virtconsole_unrealize; k->have_data = flush_buf; k->set_guest_connected = set_guest_connected; + k->enable_backend = virtconsole_enable_backend; k->guest_writable = guest_writable; dc->props = virtserialport_properties; } |