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 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 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 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