diff --git a/BLD/build/HEADERS/92-vmkdrivers-asm-x64/vmkernel64/release/asm/msgbuf.h b/BLD/build/HEADERS/92-vmkdrivers-asm-x64/vmkernel64/release/asm/msgbuf.h
new file mode 100644
index 0000000000000000000000000000000000000000..cd6f95dd54da98ed359445de6d4bbf9e13230fa1
--- /dev/null
+++ b/BLD/build/HEADERS/92-vmkdrivers-asm-x64/vmkernel64/release/asm/msgbuf.h
@@ -0,0 +1,27 @@
+#ifndef _X8664_MSGBUF_H
+#define _X8664_MSGBUF_H
+
+/* 
+ * The msqid64_ds structure for x86-64 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 2 miscellaneous 64-bit values
+ */
+
+struct msqid64_ds {
+	struct ipc64_perm msg_perm;
+	__kernel_time_t msg_stime;	/* last msgsnd time */
+	__kernel_time_t msg_rtime;	/* last msgrcv time */
+	__kernel_time_t msg_ctime;	/* last change time */
+	unsigned long  msg_cbytes;	/* current number of bytes on queue */
+	unsigned long  msg_qnum;	/* number of messages in queue */
+	unsigned long  msg_qbytes;	/* max number of bytes on queue */
+	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
+	__kernel_pid_t msg_lrpid;	/* last receive pid */
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+#endif