X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Fvhost%2Fvhost_user.h;h=c946cc2ef4829c76a384dfa91cfcfe648545d232;hb=a2dfcd1ff609f5a4fd3b65774618a35c5c9f73c6;hp=c8e299e30c82c09eee0e4194ed7a968050fa054c;hpb=c85c35b1d447c9e5f1acaabd89c36b416cc3ad37;p=dpdk.git

diff --git a/lib/vhost/vhost_user.h b/lib/vhost/vhost_user.h
index c8e299e30c..c946cc2ef4 100644
--- a/lib/vhost/vhost_user.h
+++ b/lib/vhost/vhost_user.h
@@ -149,9 +149,17 @@ typedef struct VhostUserMsg {
 		VhostUserVringArea area;
 		VhostUserInflight inflight;
 	} payload;
+	/* Nothing should be added after the payload */
+} __rte_packed VhostUserMsg;
+
+/* Note: this structure and VhostUserMsg can't be changed carelessly as
+ * external message handlers rely on them.
+ */
+struct __rte_packed vhu_msg_context {
+	VhostUserMsg msg;
 	int fds[VHOST_MEMORY_MAX_NREGIONS];
 	int fd_num;
-} __rte_packed VhostUserMsg;
+};
 
 #define VHOST_USER_HDR_SIZE offsetof(VhostUserMsg, payload.u64)