xref: /openbmc/qemu/hw/s390x/vhost-vsock-ccw.c (revision 64552b6b)
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/virtio/virtio.h"
11 #include "qapi/error.h"
12 #include "qemu/module.h"
13 #include "virtio-ccw.h"
14 
15 static Property vhost_vsock_ccw_properties[] = {
16     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
17                        VIRTIO_CCW_MAX_REV),
18     DEFINE_PROP_END_OF_LIST(),
19 };
20 
21 static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
22 {
23     VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev);
24     DeviceState *vdev = DEVICE(&dev->vdev);
25 
26     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
27     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
28 }
29 
30 static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data)
31 {
32     DeviceClass *dc = DEVICE_CLASS(klass);
33     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
34 
35     k->realize = vhost_vsock_ccw_realize;
36     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
37     dc->props = vhost_vsock_ccw_properties;
38 }
39 
40 static void vhost_vsock_ccw_instance_init(Object *obj)
41 {
42     VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj);
43 
44     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
45                                 TYPE_VHOST_VSOCK);
46 }
47 
48 static const TypeInfo vhost_vsock_ccw_info = {
49     .name          = TYPE_VHOST_VSOCK_CCW,
50     .parent        = TYPE_VIRTIO_CCW_DEVICE,
51     .instance_size = sizeof(VHostVSockCCWState),
52     .instance_init = vhost_vsock_ccw_instance_init,
53     .class_init    = vhost_vsock_ccw_class_init,
54 };
55 
56 static void vhost_vsock_ccw_register(void)
57 {
58     type_register_static(&vhost_vsock_ccw_info);
59 }
60 
61 type_init(vhost_vsock_ccw_register)
62