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/*
* vhost vsock ccw implementation
*
* This work is licensed under the terms of the GNU GPL, version 2 or (at
* your option) any later version. See the COPYING file in the top-level
* directory.
*/
#include "qemu/osdep.h"
#include "hw/qdev-properties.h"
#include "hw/virtio/virtio.h"
#include "qapi/error.h"
#include "qemu/module.h"
#include "virtio-ccw.h"
#include "hw/virtio/vhost-vsock.h"
#define TYPE_VHOST_VSOCK_CCW "vhost-vsock-ccw"
OBJECT_DECLARE_SIMPLE_TYPE(VHostVSockCCWState, VHOST_VSOCK_CCW)
struct VHostVSockCCWState {
VirtioCcwDevice parent_obj;
VHostVSock vdev;
};
static Property vhost_vsock_ccw_properties[] = {
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
VIRTIO_CCW_MAX_REV),
DEFINE_PROP_END_OF_LIST(),
};
static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
{
VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
}
static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
k->realize = vhost_vsock_ccw_realize;
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
device_class_set_props(dc, vhost_vsock_ccw_properties);
}
static void vhost_vsock_ccw_instance_init(Object *obj)
{
VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj);
VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
VirtIODevice *virtio_dev;
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VHOST_VSOCK);
virtio_dev = VIRTIO_DEVICE(&dev->vdev);
/*
* To avoid migration issues, we force virtio version 1 only when
* legacy check is enabled in the new machine types (>= 5.1).
*/
if (!virtio_legacy_check_disabled(virtio_dev)) {
ccw_dev->force_revision_1 = true;
}
}
static const TypeInfo vhost_vsock_ccw_info = {
.name = TYPE_VHOST_VSOCK_CCW,
.parent = TYPE_VIRTIO_CCW_DEVICE,
.instance_size = sizeof(VHostVSockCCWState),
.instance_init = vhost_vsock_ccw_instance_init,
.class_init = vhost_vsock_ccw_class_init,
};
static void vhost_vsock_ccw_register(void)
{
type_register_static(&vhost_vsock_ccw_info);
}
type_init(vhost_vsock_ccw_register)
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