1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * This file is subject to the terms and conditions of the GNU General Public 4 * License. See the file "COPYING" in the main directory of this archive 5 * for more details. 6 * 7 * Copyright (C) 1995, 96, 99, 2001 Ralf Baechle <ralf@linux-mips.org> 8 * Copyright (C) 2009 Wind River Systems 9 * Written by Ralf Baechle <ralf@linux-mips.org> 10 */ 11#ifndef __ASM_IOCTL_H 12#define __ASM_IOCTL_H 13 14#define _IOC_SIZEBITS 13 15#define _IOC_DIRBITS 3 16 17/* 18 * Direction bits _IOC_NONE could be 0, but OSF/1 gives it a bit. 19 * And this turns out useful to catch old ioctl numbers in header 20 * files for us. 21 */ 22#define _IOC_NONE 1U 23#define _IOC_READ 2U 24#define _IOC_WRITE 4U 25 26#include <asm-generic/ioctl.h> 27 28#endif /* __ASM_IOCTL_H */ 29