VHOST_SET_VRING_BASE   54 include/uapi/linux/vhost.h #define VHOST_SET_VRING_BASE _IOW(VHOST_VIRTIO, 0x12, struct vhost_vring_state)
VHOST_SET_VRING_BASE   54 tools/include/uapi/linux/vhost.h #define VHOST_SET_VRING_BASE _IOW(VHOST_VIRTIO, 0x12, struct vhost_vring_state)