1 /*
2 * This work is licensed under the terms of the GNU GPL, version 2 or
3 * (at your option) any later version. See the COPYING file in the
4 * top-level directory.
5 */
6
7 #include "qemu/osdep.h"
8 #include "hw/virtio/virtio-input.h"
9
10 static const Property vinput_properties[] = {
11 DEFINE_PROP_CHR("chardev", VHostUserBase, chardev),
12 };
13
vinput_realize(DeviceState * dev,Error ** errp)14 static void vinput_realize(DeviceState *dev, Error **errp)
15 {
16 VHostUserBase *vub = VHOST_USER_BASE(dev);
17 VHostUserBaseClass *vubc = VHOST_USER_BASE_GET_CLASS(dev);
18
19 /* Fixed for input device */
20 vub->virtio_id = VIRTIO_ID_INPUT;
21 vub->num_vqs = 2;
22 vub->vq_size = 4;
23 vub->config_size = sizeof(virtio_input_config);
24
25 vubc->parent_realize(dev, errp);
26 }
27
28 static const VMStateDescription vmstate_vhost_input = {
29 .name = "vhost-user-input",
30 .unmigratable = 1,
31 };
32
vhost_input_class_init(ObjectClass * klass,const void * data)33 static void vhost_input_class_init(ObjectClass *klass, const void *data)
34 {
35 VHostUserBaseClass *vubc = VHOST_USER_BASE_CLASS(klass);
36 DeviceClass *dc = DEVICE_CLASS(klass);
37
38 dc->vmsd = &vmstate_vhost_input;
39 device_class_set_props(dc, vinput_properties);
40 device_class_set_parent_realize(dc, vinput_realize,
41 &vubc->parent_realize);
42 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
43 }
44
45 static const TypeInfo vhost_input_info = {
46 .name = TYPE_VHOST_USER_INPUT,
47 .parent = TYPE_VHOST_USER_BASE,
48 .instance_size = sizeof(VHostUserInput),
49 .class_init = vhost_input_class_init,
50 };
51
vhost_input_register_types(void)52 static void vhost_input_register_types(void)
53 {
54 type_register_static(&vhost_input_info);
55 }
56
57 type_init(vhost_input_register_types)
58