/* $Id$ */
/* Copyright (c) 2009 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS System libc */
/* 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, 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT
 * HOLDER OR CONTRIBUTORS 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. */



#ifndef LIBC_KERNEL_NETBSD_SYS_IOCTL_H
# define LIBC_KERNEL_NETBSD_SYS_IOCTL_H


/* macros */
# define _IOC(inout, group, num, len) \
		(inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num))
# define _IO(g, n)	_IOC(IOC_VOID, (g), (n), 0)
# define _IOR(g, n, t)	_IOC(IOC_OUT, (g), (n), sizeof(t))
# define _IOW(g, n, t)	_IOC(IOC_IN, (g), (n), sizeof(t))
# define _IORW(g, n, t)	_IOC(IOC_INOUT, (g), (n), sizeof(t))


/* constants */
# define IOCPARM_MASK	0x1fff
# define IOC_VOID	(unsigned long)0x20000000
# define IOC_OUT	(unsigned long)0x40000000
# define IOC_IN		(unsigned long)0x80000000
# define IOC_DIRMASK	(unsigned long)0xe0000000

# define TIOCGETA	_IOR('t', 19, struct termios)

#endif /* !LIBC_KERNEL_NETBSD_SYS_IOCTL_H */