diff --git a/sys/compat/linuxkpi/common/include/linux/ioctl.h b/sys/compat/linuxkpi/common/include/linux/ioctl.h
index fdedf9c4a179..fcdb5c547e73 100644
--- a/sys/compat/linuxkpi/common/include/linux/ioctl.h
+++ b/sys/compat/linuxkpi/common/include/linux/ioctl.h
@@ -1,38 +1,40 @@
 /*-
  * Copyright (c) 2010 Isilon Systems, Inc.
  * Copyright (c) 2010 iX Systems, Inc.
  * Copyright (c) 2010 Panasas, Inc.
  * Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice unmodified, this list of conditions, and the following
  *    disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 #ifndef	_LINUX_IOCTL_H_
 #define	_LINUX_IOCTL_H_
 
 #include <sys/ioccom.h>
 
-#define	_IOC_SIZE(cmd) IOCPARM_LEN(cmd)
+#define	_IOC_SIZE(cmd)	IOCPARM_LEN(cmd)
+#define	_IOC_TYPE(cmd)	IOCGROUP(cmd)
+#define	_IOC_NR(cmd)	((cmd) & 0xff)
 
 #endif	/* _LINUX_IOCTL_H_ */