xref: /linux/arch/mips/include/uapi/asm/ioctl.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
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