virtio-serial-bus: Add ability to hot-unplug ports

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Amit Shah 2010-01-20 00:36:55 +05:30 committed by Anthony Liguori
parent 160600fd13
commit f146ec9a6d
2 changed files with 3 additions and 0 deletions

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@ -520,6 +520,8 @@ static int virtser_port_qdev_exit(DeviceState *qdev)
VirtIOSerialPort *port = DO_UPCAST(VirtIOSerialPort, dev, &dev->qdev);
VirtIOSerial *vser = port->vser;
send_control_event(port, VIRTIO_CONSOLE_PORT_REMOVE, 1);
/*
* Don't decrement nr_ports here; thus we keep a linearly
* increasing port id. Not utilising an id again saves us a couple

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@ -51,6 +51,7 @@ struct virtio_console_control {
#define VIRTIO_CONSOLE_RESIZE 2
#define VIRTIO_CONSOLE_PORT_OPEN 3
#define VIRTIO_CONSOLE_PORT_NAME 4
#define VIRTIO_CONSOLE_PORT_REMOVE 5
/* == In-qemu interface == */