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ioctl.h
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2000-01-01
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#ifndef SYS_IOCTL_H
#define SYS_IOCTL_H
/*
** $Filename: sys/ioctl.h $
** $Release$
** $Revision: 3.1 $
** $Date: 1994/02/03 11:46:16 $
**
** SocketIoctl codes
**
** Copyright © 1993,1994 AmiTCP/IP Group, <AmiTCP-Group@hut.fi>
** Helsinki University of Technology, Finland.
** All rights reserved.
*/
/*-
* Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)ioctl.h 7.19 (Berkeley) 6/26/91
*/
/*
* Ioctl's have the command encoded in the lower word, and the size of
* any in or out parameters in the upper word. The high 3 bits of the
* upper word are used to encode the in/out status of the parameter.
*/
#define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */
#define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
#define IOCBASECMD(x) ((x) & ~IOCPARM_MASK)
#define IOCGROUP(x) (((x) >> 8) & 0xff)
#define IOCPARM_MAX 4096 /* max size of ioctl */
#define IOC_VOID 0x20000000 /* no parameters */
#define IOC_OUT 0x40000000 /* copy out parameters */
#define IOC_IN 0x80000000 /* copy in parameters */
#define IOC_INOUT (IOC_IN|IOC_OUT)
#define IOC_DIRMASK 0xe0000000 /* mask for IN/OUT/VOID */
#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))
/* this should be _IORW, but stdio got there first */
#define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t))
/*
* File I/O controls
*/
#define FIOCLEX _IO('f', 1) /* set close on exec on fd */
#define FIONCLEX _IO('f', 2) /* remove close on exec */
#define FIONREAD _IOR('f', 127, long) /* get # bytes to read */
#define FIONBIO _IOW('f', 126, long) /* set/clear non-blocking i/o */
#define FIOASYNC _IOW('f', 125, long) /* set/clear async i/o */
#define FIOSETOWN _IOW('f', 124, long) /* set owner (struct Task *) */
#define FIOGETOWN _IOR('f', 123, long) /* get owner (struct Task *) */
/*
* Socket I/O controls
*
* SIOCSPGRP and SIOCGPGRP are identical to the FIOSETOWN and FIOGETOWN,
* respectively.
*/
#define SIOCATMARK _IOR('s', 7, long) /* at oob mark? */
#define SIOCSPGRP _IOW('s', 8, long) /* set process group */
#define SIOCGPGRP _IOR('s', 9, long) /* get process group */
#define SIOCADDRT _IOW('r', 10, struct ortentry) /* add route */
#define SIOCDELRT _IOW('r', 11, struct ortentry) /* delete route */
#define SIOCSIFADDR _IOW ('i',12, struct ifreq) /* set ifnet address */
#define SIOCGIFADDR _IOWR('i',33, struct ifreq) /* get ifnet address */
#define SIOCSIFDSTADDR _IOW ('i',14, struct ifreq) /* set p-p address */
#define SIOCGIFDSTADDR _IOWR('i',34, struct ifreq) /* get p-p address */
#define SIOCSIFFLAGS _IOW ('i',16, struct ifreq) /* set ifnet flags */
#define SIOCGIFFLAGS _IOWR('i',17, struct ifreq) /* get ifnet flags */
#define SIOCGIFBRDADDR _IOWR('i',35, struct ifreq) /* get broadcast addr */
#define SIOCSIFBRDADDR _IOW ('i',19, struct ifreq) /* set broadcast addr */
#define SIOCGIFCONF _IOWR('i',36, struct ifconf) /* get ifnet list */
#define SIOCGIFNETMASK _IOWR('i',37, struct ifreq) /* get net addr mask */
#define SIOCSIFNETMASK _IOW ('i',22, struct ifreq) /* set net addr mask */
#define SIOCGIFMETRIC _IOWR('i',23, struct ifreq) /* get IF metric */
#define SIOCSIFMETRIC _IOW ('i',24, struct ifreq) /* set IF metric */
#define SIOCDIFADDR _IOW ('i',25, struct ifreq) /* delete IF addr */
#define SIOCAIFADDR _IOW ('i',26, struct ifaliasreq) /* add/chg IF alias */
#define SIOCSARP _IOW('I', 30, struct arpreq) /* set arp entry */
#define SIOCGARP _IOWR('I',38, struct arpreq) /* get arp entry */
#define SIOCDARP _IOW('I', 32, struct arpreq) /* delete arp entry */
/*
* Private extensions to the BSD44 ioctl interface)
*/
#define SIOCGARPT _IOWR('I',66, struct arptabreq) /* get arp table */
#endif /* !SYS_IOCTL_H */