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 */