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 Property vinput_properties[] = {
11 DEFINE_PROP_CHR("chardev", VHostUserBase, chardev),
12 DEFINE_PROP_END_OF_LIST(),
13 };
14
vinput_realize(DeviceState * dev,Error ** errp)15 static void vinput_realize(DeviceState *dev, Error **errp)
16 {
17 VHostUserBase *vub = VHOST_USER_BASE(dev);
18 VHostUserBaseClass *vubc = VHOST_USER_BASE_GET_CLASS(dev);
19
20 /* Fixed for input device */
21 vub->virtio_id = VIRTIO_ID_INPUT;
22 vub->num_vqs = 2;
23 vub->vq_size = 4;
24 vub->config_size = sizeof(virtio_input_config);
25
26 vubc->parent_realize(dev, errp);
27 }
28
29 static const VMStateDescription vmstate_vhost_input = {
30 .name = "vhost-user-input",
31 .unmigratable = 1,
32 };
33
vhost_input_class_init(ObjectClass * klass,void * data)34 static void vhost_input_class_init(ObjectClass *klass, void *data)
35 {
36 VHostUserBaseClass *vubc = VHOST_USER_BASE_CLASS(klass);
37 DeviceClass *dc = DEVICE_CLASS(klass);
38
39 dc->vmsd = &vmstate_vhost_input;
40 device_class_set_props(dc, vinput_properties);
41 device_class_set_parent_realize(dc, vinput_realize,
42 &vubc->parent_realize);
43 set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
44 }
45
46 static const TypeInfo vhost_input_info = {
47 .name = TYPE_VHOST_USER_INPUT,
48 .parent = TYPE_VHOST_USER_BASE,
49 .instance_size = sizeof(VHostUserInput),
50 .class_init = vhost_input_class_init,
51 };
52
vhost_input_register_types(void)53 static void vhost_input_register_types(void)
54 {
55 type_register_static(&vhost_input_info);
56 }
57
58 type_init(vhost_input_register_types)
59