xref: /openbmc/qemu/hw/s390x/vhost-vsock-ccw.c (revision da054c64)
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 "virtio-ccw.h"
13 
14 static Property vhost_vsock_ccw_properties[] = {
15     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
16                        VIRTIO_CCW_MAX_REV),
17     DEFINE_PROP_END_OF_LIST(),
18 };
19 
20 static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
21 {
22     VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev);
23     DeviceState *vdev = DEVICE(&dev->vdev);
24 
25     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
26     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
27 }
28 
29 static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data)
30 {
31     DeviceClass *dc = DEVICE_CLASS(klass);
32     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
33 
34     k->realize = vhost_vsock_ccw_realize;
35     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
36     dc->props = vhost_vsock_ccw_properties;
37 }
38 
39 static void vhost_vsock_ccw_instance_init(Object *obj)
40 {
41     VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj);
42 
43     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
44                                 TYPE_VHOST_VSOCK);
45 }
46 
47 static const TypeInfo vhost_vsock_ccw_info = {
48     .name          = TYPE_VHOST_VSOCK_CCW,
49     .parent        = TYPE_VIRTIO_CCW_DEVICE,
50     .instance_size = sizeof(VHostVSockCCWState),
51     .instance_init = vhost_vsock_ccw_instance_init,
52     .class_init    = vhost_vsock_ccw_class_init,
53 };
54 
55 static void vhost_vsock_ccw_register(void)
56 {
57     type_register_static(&vhost_vsock_ccw_info);
58 }
59 
60 type_init(vhost_vsock_ccw_register)
61