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 | |
19 | static 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 | |
41 | static 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 | |
49 | static 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 | |
57 | static 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 | |
67 | static 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 | |
75 | static void virtio_ccw_serial_register(void) |
76 | { |
77 | type_register_static(&virtio_ccw_serial); |
78 | } |
79 | |
80 | type_init(virtio_ccw_serial_register) |
81 | |