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901f5f16 TH |
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" | |
0b8fa32f | 14 | #include "qemu/module.h" |
a27bd6c7 | 15 | #include "hw/qdev-properties.h" |
901f5f16 TH |
16 | #include "hw/virtio/virtio-serial.h" |
17 | #include "virtio-ccw.h" | |
7da50d64 PB |
18 | |
19 | #define TYPE_VIRTIO_SERIAL_CCW "virtio-serial-ccw" | |
20 | OBJECT_DECLARE_SIMPLE_TYPE(VirtioSerialCcw, VIRTIO_SERIAL_CCW) | |
21 | ||
22 | struct VirtioSerialCcw { | |
23 | VirtioCcwDevice parent_obj; | |
24 | VirtIOSerial vdev; | |
25 | }; | |
901f5f16 TH |
26 | |
27 | static void virtio_ccw_serial_realize(VirtioCcwDevice *ccw_dev, Error **errp) | |
28 | { | |
29 | VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(ccw_dev); | |
30 | DeviceState *vdev = DEVICE(&dev->vdev); | |
31 | DeviceState *proxy = DEVICE(ccw_dev); | |
32 | char *bus_name; | |
33 | ||
34 | /* | |
35 | * For command line compatibility, this sets the virtio-serial-device bus | |
36 | * name as before. | |
37 | */ | |
38 | if (proxy->id) { | |
39 | bus_name = g_strdup_printf("%s.0", proxy->id); | |
40 | virtio_device_set_child_bus_name(VIRTIO_DEVICE(vdev), bus_name); | |
41 | g_free(bus_name); | |
42 | } | |
43 | ||
99ba777e | 44 | qdev_realize(vdev, BUS(&ccw_dev->bus), errp); |
901f5f16 TH |
45 | } |
46 | ||
47 | ||
48 | static void virtio_ccw_serial_instance_init(Object *obj) | |
49 | { | |
50 | VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); | |
51 | ||
52 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
53 | TYPE_VIRTIO_SERIAL); | |
54 | } | |
55 | ||
56 | static Property virtio_ccw_serial_properties[] = { | |
57 | DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, | |
58 | VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), | |
59 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, | |
60 | VIRTIO_CCW_MAX_REV), | |
61 | DEFINE_PROP_END_OF_LIST(), | |
62 | }; | |
63 | ||
64 | static void virtio_ccw_serial_class_init(ObjectClass *klass, void *data) | |
65 | { | |
66 | DeviceClass *dc = DEVICE_CLASS(klass); | |
67 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
68 | ||
69 | k->realize = virtio_ccw_serial_realize; | |
4f67d30b | 70 | device_class_set_props(dc, virtio_ccw_serial_properties); |
901f5f16 TH |
71 | set_bit(DEVICE_CATEGORY_INPUT, dc->categories); |
72 | } | |
73 | ||
74 | static const TypeInfo virtio_ccw_serial = { | |
75 | .name = TYPE_VIRTIO_SERIAL_CCW, | |
76 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
77 | .instance_size = sizeof(VirtioSerialCcw), | |
78 | .instance_init = virtio_ccw_serial_instance_init, | |
79 | .class_init = virtio_ccw_serial_class_init, | |
80 | }; | |
81 | ||
82 | static void virtio_ccw_serial_register(void) | |
83 | { | |
84 | type_register_static(&virtio_ccw_serial); | |
85 | } | |
86 | ||
87 | type_init(virtio_ccw_serial_register) |