| 1 |
27 |
unneback |
//==========================================================================
|
| 2 |
|
|
//
|
| 3 |
|
|
// include/sys/ioccom.h
|
| 4 |
|
|
//
|
| 5 |
|
|
//
|
| 6 |
|
|
//
|
| 7 |
|
|
//==========================================================================
|
| 8 |
|
|
//####BSDCOPYRIGHTBEGIN####
|
| 9 |
|
|
//
|
| 10 |
|
|
// -------------------------------------------
|
| 11 |
|
|
//
|
| 12 |
|
|
// Portions of this software may have been derived from OpenBSD or other sources,
|
| 13 |
|
|
// and are covered by the appropriate copyright disclaimers included herein.
|
| 14 |
|
|
//
|
| 15 |
|
|
// -------------------------------------------
|
| 16 |
|
|
//
|
| 17 |
|
|
//####BSDCOPYRIGHTEND####
|
| 18 |
|
|
//==========================================================================
|
| 19 |
|
|
//#####DESCRIPTIONBEGIN####
|
| 20 |
|
|
//
|
| 21 |
|
|
// Author(s): gthomas
|
| 22 |
|
|
// Contributors: gthomas
|
| 23 |
|
|
// Date: 2000-01-10
|
| 24 |
|
|
// Purpose:
|
| 25 |
|
|
// Description:
|
| 26 |
|
|
//
|
| 27 |
|
|
//
|
| 28 |
|
|
//####DESCRIPTIONEND####
|
| 29 |
|
|
//
|
| 30 |
|
|
//==========================================================================
|
| 31 |
|
|
|
| 32 |
|
|
|
| 33 |
|
|
/* $OpenBSD: ioccom.h,v 1.2 1996/03/03 12:11:49 niklas Exp $ */
|
| 34 |
|
|
/* $NetBSD: ioccom.h,v 1.4 1994/10/30 21:49:56 cgd Exp $ */
|
| 35 |
|
|
|
| 36 |
|
|
/*-
|
| 37 |
|
|
* Copyright (c) 1982, 1986, 1990, 1993, 1994
|
| 38 |
|
|
* The Regents of the University of California. All rights reserved.
|
| 39 |
|
|
*
|
| 40 |
|
|
* Redistribution and use in source and binary forms, with or without
|
| 41 |
|
|
* modification, are permitted provided that the following conditions
|
| 42 |
|
|
* are met:
|
| 43 |
|
|
* 1. Redistributions of source code must retain the above copyright
|
| 44 |
|
|
* notice, this list of conditions and the following disclaimer.
|
| 45 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
| 46 |
|
|
* notice, this list of conditions and the following disclaimer in the
|
| 47 |
|
|
* documentation and/or other materials provided with the distribution.
|
| 48 |
|
|
* 3. All advertising materials mentioning features or use of this software
|
| 49 |
|
|
* must display the following acknowledgement:
|
| 50 |
|
|
* This product includes software developed by the University of
|
| 51 |
|
|
* California, Berkeley and its contributors.
|
| 52 |
|
|
* 4. Neither the name of the University nor the names of its contributors
|
| 53 |
|
|
* may be used to endorse or promote products derived from this software
|
| 54 |
|
|
* without specific prior written permission.
|
| 55 |
|
|
*
|
| 56 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
| 57 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 58 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| 59 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
| 60 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
| 61 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
| 62 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| 63 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
| 64 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
| 65 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 66 |
|
|
* SUCH DAMAGE.
|
| 67 |
|
|
*
|
| 68 |
|
|
* @(#)ioccom.h 8.2 (Berkeley) 3/28/94
|
| 69 |
|
|
*/
|
| 70 |
|
|
|
| 71 |
|
|
#ifndef _SYS_IOCCOM_H_
|
| 72 |
|
|
#define _SYS_IOCCOM_H_
|
| 73 |
|
|
|
| 74 |
|
|
/*
|
| 75 |
|
|
* Ioctl's have the command encoded in the lower word, and the size of
|
| 76 |
|
|
* any in or out parameters in the upper word. The high 3 bits of the
|
| 77 |
|
|
* upper word are used to encode the in/out status of the parameter.
|
| 78 |
|
|
*/
|
| 79 |
|
|
#define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */
|
| 80 |
|
|
#define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
|
| 81 |
|
|
#define IOCBASECMD(x) ((x) & ~(IOCPARM_MASK << 16))
|
| 82 |
|
|
#define IOCGROUP(x) (((x) >> 8) & 0xff)
|
| 83 |
|
|
|
| 84 |
|
|
#ifndef __ECOS
|
| 85 |
|
|
#define IOCPARM_MAX NBPG /* max size of ioctl args, mult. of NBPG */
|
| 86 |
|
|
#endif
|
| 87 |
|
|
/* no parameters */
|
| 88 |
|
|
#define IOC_VOID (unsigned long)0x20000000
|
| 89 |
|
|
/* copy parameters out */
|
| 90 |
|
|
#define IOC_OUT (unsigned long)0x40000000
|
| 91 |
|
|
/* copy parameters in */
|
| 92 |
|
|
#define IOC_IN (unsigned long)0x80000000
|
| 93 |
|
|
/* copy paramters in and out */
|
| 94 |
|
|
#define IOC_INOUT (IOC_IN|IOC_OUT)
|
| 95 |
|
|
/* mask for IN/OUT/VOID */
|
| 96 |
|
|
#define IOC_DIRMASK (unsigned long)0xe0000000
|
| 97 |
|
|
|
| 98 |
|
|
#define _IOC(inout,group,num,len) \
|
| 99 |
|
|
(inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num))
|
| 100 |
|
|
#define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0)
|
| 101 |
|
|
#define _IOR(g,n,t) _IOC(IOC_OUT, (g), (n), sizeof(t))
|
| 102 |
|
|
#define _IOW(g,n,t) _IOC(IOC_IN, (g), (n), sizeof(t))
|
| 103 |
|
|
/* this should be _IORW, but stdio got there first */
|
| 104 |
|
|
#define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t))
|
| 105 |
|
|
|
| 106 |
|
|
#endif /* !_SYS_IOCCOM_H_ */
|
