qemu/hw/s390x/vhost-user-fs-ccw.c

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/*
* virtio ccw vhost-user-fs implementation
*
* Copyright 2020 IBM Corp.
*
* 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 "qapi/error.h"
#include "hw/virtio/vhost-user-fs.h"
#include "virtio-ccw.h"
typedef struct VHostUserFSCcw {
VirtioCcwDevice parent_obj;
VHostUserFS vdev;
} VHostUserFSCcw;
#define TYPE_VHOST_USER_FS_CCW "vhost-user-fs-ccw"
#define VHOST_USER_FS_CCW(obj) \
OBJECT_CHECK(VHostUserFSCcw, (obj), TYPE_VHOST_USER_FS_CCW)
static Property vhost_user_fs_ccw_properties[] = {
DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
VIRTIO_CCW_MAX_REV),
DEFINE_PROP_END_OF_LIST(),
};
static void vhost_user_fs_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp)
{
VHostUserFSCcw *dev = VHOST_USER_FS_CCW(ccw_dev);
DeviceState *vdev = DEVICE(&dev->vdev);
qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
}
static void vhost_user_fs_ccw_instance_init(Object *obj)
{
VHostUserFSCcw *dev = VHOST_USER_FS_CCW(obj);
VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
ccw_dev->force_revision_1 = true;
virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
TYPE_VHOST_USER_FS);
}
static void vhost_user_fs_ccw_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
k->realize = vhost_user_fs_ccw_realize;
device_class_set_props(dc, vhost_user_fs_ccw_properties);
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
}
static const TypeInfo vhost_user_fs_ccw = {
.name = TYPE_VHOST_USER_FS_CCW,
.parent = TYPE_VIRTIO_CCW_DEVICE,
.instance_size = sizeof(VHostUserFSCcw),
.instance_init = vhost_user_fs_ccw_instance_init,
.class_init = vhost_user_fs_ccw_class_init,
};
static void vhost_user_fs_ccw_register(void)
{
type_register_static(&vhost_user_fs_ccw);
}
type_init(vhost_user_fs_ccw_register)