1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/include/sys/ioccom.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,71 @@
     1.4 +/*-
     1.5 + * Copyright (c) 1982, 1986, 1990, 1993, 1994
     1.6 + *	The Regents of the University of California.  All rights reserved.
     1.7 + *
     1.8 + * Redistribution and use in source and binary forms, with or without
     1.9 + * modification, are permitted provided that the following conditions
    1.10 + * are met:
    1.11 + * 1. Redistributions of source code must retain the above copyright
    1.12 + *    notice, this list of conditions and the following disclaimer.
    1.13 + * 2. Redistributions in binary form must reproduce the above copyright
    1.14 + *    notice, this list of conditions and the following disclaimer in the
    1.15 + *    documentation and/or other materials provided with the distribution.
    1.16 + * 4. Neither the name of the University nor the names of its contributors
    1.17 + *    may be used to endorse or promote products derived from this software
    1.18 + *    without specific prior written permission.
    1.19 + *
    1.20 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    1.21 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    1.22 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.23 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    1.24 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    1.25 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    1.26 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.27 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    1.28 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    1.29 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    1.30 + * SUCH DAMAGE.
    1.31 + *
    1.32 + *	@(#)ioccom.h	8.2 (Berkeley) 3/28/94
    1.33 + * $FreeBSD: src/sys/sys/ioccom.h,v 1.15 2004/04/07 04:19:49 imp Exp $
    1.34 + */
    1.35 +
    1.36 +#ifndef	_SYS_IOCCOM_H_
    1.37 +#define	_SYS_IOCCOM_H_
    1.38 +
    1.39 +/*
    1.40 + * Ioctl's have the command encoded in the lower word, and the size of
    1.41 + * any in or out parameters in the upper word.  The high 3 bits of the
    1.42 + * upper word are used to encode the in/out status of the parameter.
    1.43 + */
    1.44 +#define	IOCPARM_MASK	0x1fff		/* parameter length, at most 13 bits */
    1.45 +#define	IOCPARM_LEN(x)	(((x) >> 16) & IOCPARM_MASK)
    1.46 +#define	IOCBASECMD(x)	((x) & ~(IOCPARM_MASK << 16))
    1.47 +#define	IOCGROUP(x)	(((x) >> 8) & 0xff)
    1.48 +
    1.49 +#define	IOCPARM_MAX	PAGE_SIZE		/* max size of ioctl, mult. of PAGE_SIZE */
    1.50 +#define	IOC_VOID	0x20000000	/* no parameters */
    1.51 +#define	IOC_OUT		0x40000000	/* copy out parameters */
    1.52 +#define	IOC_IN		0x80000000	/* copy in parameters */
    1.53 +#define	IOC_INOUT	(IOC_IN|IOC_OUT)
    1.54 +#define	IOC_DIRMASK	0xe0000000	/* mask for IN/OUT/VOID */
    1.55 +
    1.56 +#define	_IOC(inout,group,num,len) \
    1.57 +	((unsigned long)(inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num)))
    1.58 +#define	_IO(g,n)	_IOC(IOC_VOID,	(g), (n), 0)
    1.59 +#define	_IOR(g,n,t)	_IOC(IOC_OUT,	(g), (n), sizeof(t))
    1.60 +#define	_IOW(g,n,t)	_IOC(IOC_IN,	(g), (n), sizeof(t))
    1.61 +/* this should be _IORW, but stdio got there first */
    1.62 +#define	_IOWR(g,n,t)	_IOC(IOC_INOUT,	(g), (n), sizeof(t))
    1.63 +
    1.64 +#ifndef _KERNEL
    1.65 +
    1.66 +#include <sys/cdefs.h>
    1.67 +
    1.68 +__BEGIN_DECLS
    1.69 +IMPORT_C int	ioctl(int, unsigned long, ...);
    1.70 +__END_DECLS
    1.71 +
    1.72 +#endif
    1.73 +
    1.74 +#endif /* !_SYS_IOCCOM_H_ */