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 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 33 static void vhost_input_class_init(ObjectClass *klass, 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 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