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 "qapi/qapi-types-common.h"
  15 #include "hw/virtio/virtio.h"
  16 #include "hw/virtio/vhost.h"
  17 #include "qom/object.h"
  18
  19 #define TYPE_VHOST_VSOCK_COMMON "vhost-vsock-common"
  20 OBJECT_DECLARE_SIMPLE_TYPE(VHostVSockCommon, VHOST_VSOCK_COMMON)
  21
  22 enum {
  23     VHOST_VSOCK_SAVEVM_VERSION = 0,
  24
  25     VHOST_VSOCK_QUEUE_SIZE = 128,
  26 };
  27
  28 struct VHostVSockCommon {
  29     VirtIODevice parent;
  30
  31     struct vhost_virtqueue vhost_vqs[2];
  32     struct vhost_dev vhost_dev;
  33
  34     VirtQueue *event_vq;
  35     VirtQueue *recv_vq;
  36     VirtQueue *trans_vq;
  37
  38     QEMUTimer *post_load_timer;
  39
  40     /* features */
  41     OnOffAuto seqpacket;
  42 };
  43
  44 int vhost_vsock_common_start(VirtIODevice *vdev);
  45 void vhost_vsock_common_stop(VirtIODevice *vdev);
  46 int vhost_vsock_common_pre_save(void *opaque);
  47 int vhost_vsock_common_post_load(void *opaque, int version_id);
  48 void vhost_vsock_common_realize(VirtIODevice *vdev);
  49 void vhost_vsock_common_unrealize(VirtIODevice *vdev);
  50 uint64_t vhost_vsock_common_get_features(VirtIODevice *vdev, uint64_t features,
  51                                          Error **errp);
  52
  53 #endif /* QEMU_VHOST_VSOCK_COMMON_H */