1/*
2 * virtio ccw serial implementation
3 *
4 * Copyright 2012, 2015 IBM Corp.
5 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
6 *
7 * This work is licensed under the terms of the GNU GPL, version 2 or (at
8 * your option) any later version. See the COPYING file in the top-level
9 * directory.
10 */
11
12#include "qemu/osdep.h"
13#include "hw/virtio/virtio.h"
14#include "qemu/module.h"
15#include "hw/qdev-properties.h"
16#include "hw/virtio/virtio-serial.h"
17#include "virtio-ccw.h"
18
19static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp)
20{
21 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev);
22 DeviceState *vdev = DEVICE(&dev->vdev);
23 DeviceState *proxy = DEVICE(ccw_dev);
24 char *bus_name;
25
26 /*
27 * For command line compatibility, this sets the virtio-serial-device bus
28 * name as before.
29 */
30 if (proxy->id) {
31 bus_name = g_strdup_printf("%s.0", proxy->id);
32 virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name);
33 g_free(bus_name);
34 }
35
36 qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
37 object_property_set_bool(OBJECT(vdev), true, "realized", errp);
38}
39
40
41static void virtio_ccw_serial_instance_init(Object *obj)
42{
43 VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj);
44
45 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
46 TYPE_VIRTIO_SERIAL);
47}
48
49static Property virtio_ccw_serial_properties[] = {
50 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
51 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
52 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
53 VIRTIO_CCW_MAX_REV),
54 DEFINE_PROP_END_OF_LIST(),
55};
56
57static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data)
58{
59 DeviceClass *dc = DEVICE_CLASS(klass);
60 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
61
62 k->realize = virtio_ccw_serial_realize;
63 dc->props = virtio_ccw_serial_properties;
64 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
65}
66
67static const TypeInfo virtio_ccw_serial = {
68 .name = TYPE_VIRTIO_SERIAL_CCW,
69 .parent = TYPE_VIRTIO_CCW_DEVICE,
70 .instance_size = sizeof(VirtioSerialCcw),
71 .instance_init = virtio_ccw_serial_instance_init,
72 .class_init = virtio_ccw_serial_class_init,
73};
74
75static void virtio_ccw_serial_register(void)
76{
77 type_register_static(&virtio_ccw_serial);
78}
79
80type_init(virtio_ccw_serial_register)
81