diff options
| author | Amit Shah <amit.shah@redhat.com> | 2010-04-27 18:03:58 +0530 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2010-04-28 08:58:21 -0500 |
| commit | 31abe21f4f026171128e6fbafb40062ae1872bd5 (patch) | |
| tree | ad9810ce4bfc1e48373ea4d44dab02d1dbeaa981 | |
| parent | 16af2e3c35990cb7aceb37ffe5827a28fd4614d0 (diff) | |
virtio-serial: save/load: Send target host connection status if different
If the host connection to a port is closed on the destination machine
after migration, whereas the connection was open on the source, the
guest has to be informed of that.
Similar for a host connection open on the destination.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
| -rw-r--r-- | hw/virtio-serial-bus.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c index 5316ef626e..484dc945c4 100644 --- a/hw/virtio-serial-bus.c +++ b/hw/virtio-serial-bus.c @@ -395,6 +395,7 @@ static void virtio_serial_save(QEMUFile *f, void *opaque) */ qemu_put_be32s(f, &port->id); qemu_put_byte(f, port->guest_connected); + qemu_put_byte(f, port->host_connected); } } @@ -448,6 +449,7 @@ 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); @@ -460,6 +462,15 @@ static int virtio_serial_load(QEMUFile *f, void *opaque, int version_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; |