1 /*
2  * Parent class for vhost-vsock devices
3  *
4  * Copyright 2015-2020 Red Hat, Inc.
5  *
6  * This work is licensed under the terms of the GNU GPL, version 2 or
7  * (at your option) any later version.  See the COPYING file in the
8  * top-level directory.
9  */
10 
11 #ifndef _QEMU_VHOST_VSOCK_COMMON_H
12 #define _QEMU_VHOST_VSOCK_COMMON_H
13 
14 #include "hw/virtio/virtio.h"
15 #include "hw/virtio/vhost.h"
16 
17 #define TYPE_VHOST_VSOCK_COMMON "vhost-vsock-common"
18 #define VHOST_VSOCK_COMMON(obj) \
19         OBJECT_CHECK(VHostVSockCommon, (obj), TYPE_VHOST_VSOCK_COMMON)
20 
21 enum {
22     VHOST_VSOCK_SAVEVM_VERSION = 0,
23 
24     VHOST_VSOCK_QUEUE_SIZE = 128,
25 };
26 
27 typedef struct {
28     VirtIODevice parent;
29 
30     struct vhost_virtqueue vhost_vqs[2];
31     struct vhost_dev vhost_dev;
32 
33     VirtQueue *event_vq;
34     VirtQueue *recv_vq;
35     VirtQueue *trans_vq;
36 
37     QEMUTimer *post_load_timer;
38 } VHostVSockCommon;
39 
40 int vhost_vsock_common_start(VirtIODevice *vdev);
41 void vhost_vsock_common_stop(VirtIODevice *vdev);
42 int vhost_vsock_common_pre_save(void *opaque);
43 int vhost_vsock_common_post_load(void *opaque, int version_id);
44 void vhost_vsock_common_realize(VirtIODevice *vdev, const char *name);
45 void vhost_vsock_common_unrealize(VirtIODevice *vdev);
46 
47 #endif /* _QEMU_VHOST_VSOCK_COMMON_H */
48