Add missing members to the VhostUserMsg excerpt in
the vhost-user spec documentation.

Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Albert Esteve <aesteve@redhat.com>
---
 docs/interop/vhost-user.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/interop/vhost-user.rst b/docs/interop/vhost-user.rst
index 137c9f3669..4c1538cf88 100644
--- a/docs/interop/vhost-user.rst
+++ b/docs/interop/vhost-user.rst
@@ -366,11 +366,15 @@ In QEMU the vhost-user message is implemented with the following struct:
           struct vhost_vring_state state;
           struct vhost_vring_addr addr;
           VhostUserMemory memory;
+          VhostUserMemRegMsg mem_reg;
           VhostUserLog log;
           struct vhost_iotlb_msg iotlb;
           VhostUserConfig config;
+          VhostUserCryptoSession session;
           VhostUserVringArea area;
           VhostUserInflight inflight;
+          VhostUserShared object;
+          VhostUserTransferDeviceState transfer_state;
       };
   } QEMU_PACKED VhostUserMsg;
 
-- 
2.52.0