/usr/mips64el-linux-gnuabi64/include/asm/ioctl.h is in linux-libc-dev-mips64el-cross 4.15.0-18.19cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28  | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1995, 96, 99, 2001 Ralf Baechle <ralf@linux-mips.org>
 * Copyright (C) 2009 Wind River Systems
 * Written by Ralf Baechle <ralf@linux-mips.org>
 */
#ifndef __ASM_IOCTL_H
#define __ASM_IOCTL_H
#define _IOC_SIZEBITS	13
#define _IOC_DIRBITS	3
/*
 * Direction bits _IOC_NONE could be 0, but OSF/1 gives it a bit.
 * And this turns out useful to catch old ioctl numbers in header
 * files for us.
 */
#define _IOC_NONE	1U
#define _IOC_READ	2U
#define _IOC_WRITE	4U
#include <asm-generic/ioctl.h>
#endif /* __ASM_IOCTL_H */
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