include/hw/virtio/vhost-vsock-common.h

   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 */