@samitouri / QOSamiQemu
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1 /*
2 * virtio ccw input implementation
3 *
4 * Copyright 2012, 2015 IBM Corp.
5 *
6 * This work is licensed under the terms of the GNU GPL, version 2 or (at
7 * your option) any later version. See the COPYING file in the top-level
8 * directory.
9 */
10
11 #include "qemu/osdep.h"
12 #include "hw/core/qdev-properties.h"
13 #include "hw/virtio/virtio.h"
14 #include "qapi/error.h"
15 #include "qemu/module.h"
16 #include "virtio-ccw.h"
17 #include "hw/virtio/virtio-input.h"
18
19 #define TYPE_VIRTIO_INPUT_CCW "virtio-input-ccw"
20 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOInputCcw, VIRTIO_INPUT_CCW)
21
22 struct VirtIOInputCcw {
23 VirtioCcwDevice parent_obj;
24 VirtIOInput vdev;
25 };
26
27 #define TYPE_VIRTIO_INPUT_HID_CCW "virtio-input-hid-ccw"
28 #define TYPE_VIRTIO_KEYBOARD_CCW "virtio-keyboard-ccw"
29 #define TYPE_VIRTIO_MOUSE_CCW "virtio-mouse-ccw"
30 #define TYPE_VIRTIO_TABLET_CCW "virtio-tablet-ccw"
31 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOInputHIDCcw, VIRTIO_INPUT_HID_CCW)
32
33 struct VirtIOInputHIDCcw {
34 VirtioCcwDevice parent_obj;
35 VirtIOInputHID vdev;
36 };
37
38 static void virtio_ccw_input_realize(VirtioCcwDevice *ccw_dev, Error **errp)
39 {
40 VirtIOInputCcw *dev = VIRTIO_INPUT_CCW(ccw_dev);
41 DeviceState *vdev = DEVICE(&dev->vdev);
42
43 qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
44 }
45
46 static const Property virtio_ccw_input_properties[] = {
47 DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
48 VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
49 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
50 VIRTIO_CCW_MAX_REV),
51 };
52
53 static void virtio_ccw_input_class_init(ObjectClass *klass, const void *data)
54 {
55 DeviceClass *dc = DEVICE_CLASS(klass);
56 VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
57
58 k->realize = virtio_ccw_input_realize;
59 device_class_set_props(dc, virtio_ccw_input_properties);
60 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
61 }
62
63 static void virtio_ccw_keyboard_instance_init(Object *obj)
64 {
65 VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_CCW(obj);
66 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
67
68 ccw_dev->force_revision_1 = true;
69 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
70 TYPE_VIRTIO_KEYBOARD);
71 }
72
73 static void virtio_ccw_mouse_instance_init(Object *obj)
74 {
75 VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_CCW(obj);
76 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
77
78 ccw_dev->force_revision_1 = true;
79 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
80 TYPE_VIRTIO_MOUSE);
81 }
82
83 static void virtio_ccw_tablet_instance_init(Object *obj)
84 {
85 VirtIOInputHIDCcw *dev = VIRTIO_INPUT_HID_CCW(obj);
86 VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
87
88 ccw_dev->force_revision_1 = true;
89 virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
90 TYPE_VIRTIO_TABLET);
91 }
92
93 static const TypeInfo virtio_ccw_input = {
94 .name = TYPE_VIRTIO_INPUT_CCW,
95 .parent = TYPE_VIRTIO_CCW_DEVICE,
96 .instance_size = sizeof(VirtIOInputCcw),
97 .class_init = virtio_ccw_input_class_init,
98 .abstract = true,
99 };
100
101 static const TypeInfo virtio_ccw_input_hid = {
102 .name = TYPE_VIRTIO_INPUT_HID_CCW,
103 .parent = TYPE_VIRTIO_INPUT_CCW,
104 .instance_size = sizeof(VirtIOInputHIDCcw),
105 .abstract = true,
106 };
107
108 static const TypeInfo virtio_ccw_keyboard = {
109 .name = TYPE_VIRTIO_KEYBOARD_CCW,
110 .parent = TYPE_VIRTIO_INPUT_HID_CCW,
111 .instance_size = sizeof(VirtIOInputHIDCcw),
112 .instance_init = virtio_ccw_keyboard_instance_init,
113 };
114
115 static const TypeInfo virtio_ccw_mouse = {
116 .name = TYPE_VIRTIO_MOUSE_CCW,
117 .parent = TYPE_VIRTIO_INPUT_HID_CCW,
118 .instance_size = sizeof(VirtIOInputHIDCcw),
119 .instance_init = virtio_ccw_mouse_instance_init,
120 };
121
122 static const TypeInfo virtio_ccw_tablet = {
123 .name = TYPE_VIRTIO_TABLET_CCW,
124 .parent = TYPE_VIRTIO_INPUT_HID_CCW,
125 .instance_size = sizeof(VirtIOInputHIDCcw),
126 .instance_init = virtio_ccw_tablet_instance_init,
127 };
128
129 static void virtio_ccw_input_register(void)
130 {
131 type_register_static(&virtio_ccw_input);
132 type_register_static(&virtio_ccw_input_hid);
133 type_register_static(&virtio_ccw_keyboard);
134 type_register_static(&virtio_ccw_mouse);
135 type_register_static(&virtio_ccw_tablet);
136 }
137
138 type_init(virtio_ccw_input_register)