@@ -435,6 +435,7 @@ static void virtio_serial_save(QEMUFile *f, void *opaque)
QTAILQ_FOREACH(port, &s->ports, next) {
qemu_put_be32s(f, &port->id);
qemu_put_byte(f, port->guest_connected);
+ qemu_put_byte(f, port->host_connected);
}
}
@@ -488,11 +489,21 @@ static int virtio_serial_load(QEMUFile *f, void *opaque, int version_id)
/* Items in struct VirtIOSerialPort */
for (i = 0; i < nr_active_ports; i++) {
uint32_t id;
+ bool host_connected;
id = qemu_get_be32(f);
port = find_port_by_id(s, id);
port->guest_connected = qemu_get_byte(f);
+ host_connected = qemu_get_byte(f);
+ if (host_connected != port->host_connected) {
+ /*
+ * We have to let the guest know of the host connection
+ * status change
+ */
+ send_control_event(port, VIRTIO_CONSOLE_PORT_OPEN,
+ port->host_connected);
+ }
}
return 0;
}
If the host connection to a port is closed on the destination machine after migration, when the connection was open on the source, the host has to be informed of that. Similar for a host connection open on the destination. Signed-off-by: Amit Shah <amit.shah@redhat.com> --- hw/virtio-serial-bus.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)