2 * vhost vsock ccw implementation
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
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"
16 static Property vhost_vsock_ccw_properties
[] = {
17 DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice
, max_rev
,
19 DEFINE_PROP_END_OF_LIST(),
22 static void vhost_vsock_ccw_realize(VirtioCcwDevice
*ccw_dev
, Error
**errp
)
24 VHostVSockCCWState
*dev
= VHOST_VSOCK_CCW(ccw_dev
);
25 DeviceState
*vdev
= DEVICE(&dev
->vdev
);
27 qdev_realize(vdev
, BUS(&ccw_dev
->bus
), errp
);
30 static void vhost_vsock_ccw_class_init(ObjectClass
*klass
, void *data
)
32 DeviceClass
*dc
= DEVICE_CLASS(klass
);
33 VirtIOCCWDeviceClass
*k
= VIRTIO_CCW_DEVICE_CLASS(klass
);
35 k
->realize
= vhost_vsock_ccw_realize
;
36 set_bit(DEVICE_CATEGORY_MISC
, dc
->categories
);
37 device_class_set_props(dc
, vhost_vsock_ccw_properties
);
40 static void vhost_vsock_ccw_instance_init(Object
*obj
)
42 VHostVSockCCWState
*dev
= VHOST_VSOCK_CCW(obj
);
43 VirtioCcwDevice
*ccw_dev
= VIRTIO_CCW_DEVICE(obj
);
44 VirtIODevice
*virtio_dev
;
46 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
49 virtio_dev
= VIRTIO_DEVICE(&dev
->vdev
);
52 * To avoid migration issues, we force virtio version 1 only when
53 * legacy check is enabled in the new machine types (>= 5.1).
55 if (!virtio_legacy_check_disabled(virtio_dev
)) {
56 ccw_dev
->force_revision_1
= true;
60 static const TypeInfo vhost_vsock_ccw_info
= {
61 .name
= TYPE_VHOST_VSOCK_CCW
,
62 .parent
= TYPE_VIRTIO_CCW_DEVICE
,
63 .instance_size
= sizeof(VHostVSockCCWState
),
64 .instance_init
= vhost_vsock_ccw_instance_init
,
65 .class_init
= vhost_vsock_ccw_class_init
,
68 static void vhost_vsock_ccw_register(void)
70 type_register_static(&vhost_vsock_ccw_info
);
73 type_init(vhost_vsock_ccw_register
)