xref: /openbmc/qemu/hw/s390x/vhost-vsock-ccw.c (revision 06a47ef5)
1 /*
2  * vhost vsock ccw implementation
3  *
4  * This work is licensed under the terms of the GNU GPL, version 2 or (at
5  * your option) any later version. See the COPYING file in the top-level
6  * directory.
7  */
8 
9 #include "qemu/osdep.h"
10 #include "hw/qdev-properties.h"
11 #include "hw/virtio/virtio.h"
12 #include "qapi/error.h"
13 #include "qemu/module.h"
14 #include "virtio-ccw.h"
15 
16 static Property vhost_vsock_ccw_properties[] = {
17     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
18                        VIRTIO_CCW_MAX_REV),
19     DEFINE_PROP_END_OF_LIST(),
20 };
21 
22 static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
23 {
24     VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev);
25     DeviceState *vdev = DEVICE(&dev->vdev);
26 
27     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
28     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
29 }
30 
31 static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data)
32 {
33     DeviceClass *dc = DEVICE_CLASS(klass);
34     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
35 
36     k->realize = vhost_vsock_ccw_realize;
37     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
38     device_class_set_props(dc, vhost_vsock_ccw_properties);
39 }
40 
41 static void vhost_vsock_ccw_instance_init(Object *obj)
42 {
43     VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj);
44 
45     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
46                                 TYPE_VHOST_VSOCK);
47 }
48 
49 static const TypeInfo vhost_vsock_ccw_info = {
50     .name          = TYPE_VHOST_VSOCK_CCW,
51     .parent        = TYPE_VIRTIO_CCW_DEVICE,
52     .instance_size = sizeof(VHostVSockCCWState),
53     .instance_init = vhost_vsock_ccw_instance_init,
54     .class_init    = vhost_vsock_ccw_class_init,
55 };
56 
57 static void vhost_vsock_ccw_register(void)
58 {
59     type_register_static(&vhost_vsock_ccw_info);
60 }
61 
62 type_init(vhost_vsock_ccw_register)
63