| 1 | /*-
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| 2 | * Copyright (c) 1982, 1986, 1990, 1993, 1994
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. All advertising materials mentioning features or use of this software
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| 14 | * must display the following acknowledgement:
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| 15 | * This product includes software developed by the University of
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| 16 | * California, Berkeley and its contributors.
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| 17 | * 4. Neither the name of the University nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | *
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| 33 | * @(#)ioccom.h 8.2 (Berkeley) 3/28/94
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| 34 | * $FreeBSD: src/sys/sys/ioccom.h,v 1.9 1999/12/29 04:24:42 peter Exp $
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| 35 | */
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| 36 |
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| 37 | #ifndef _SYS_IOCCOM_H_
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| 38 | #define _SYS_IOCCOM_H_
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| 39 |
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| 40 | /*
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| 41 | * Ioctl's have the command encoded in the lower word, and the size of
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| 42 | * any in or out parameters in the upper word. The high 3 bits of the
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| 43 | * upper word are used to encode the in/out status of the parameter.
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| 44 | */
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| 45 | #define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */
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| 46 | #define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
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| 47 | #define IOCBASECMD(x) ((x) & ~(IOCPARM_MASK << 16))
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| 48 | #define IOCGROUP(x) (((x) >> 8) & 0xff)
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| 49 |
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| 50 | #define IOCPARM_MAX PAGE_SIZE /* max size of ioctl, mult. of PAGE_SIZE */
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| 51 | #define IOC_VOID 0x20000000 /* no parameters */
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| 52 | #define IOC_OUT 0x40000000 /* copy out parameters */
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| 53 | #define IOC_IN 0x80000000 /* copy in parameters */
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| 54 | #define IOC_INOUT (IOC_IN|IOC_OUT)
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| 55 | #define IOC_DIRMASK 0xe0000000 /* mask for IN/OUT/VOID */
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| 56 |
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| 57 | #ifdef TCPV40HDRS
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| 58 | #define _IOC(inout,group,num,len) \
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| 59 | ( (unsigned long) ( ((group) << 8) | (num) ) )
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| 60 | #else
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| 61 | #define _IOC(inout,group,num,len) \
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| 62 | ((unsigned long)(inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num)))
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| 63 | #endif
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| 64 | #define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0)
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| 65 | #define _IOR(g,n,t) _IOC(IOC_OUT, (g), (n), sizeof(t))
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| 66 | #define _IOW(g,n,t) _IOC(IOC_IN, (g), (n), sizeof(t))
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| 67 | /* this should be _IORW, but stdio got there first */
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| 68 | #define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t))
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| 69 |
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| 70 | #ifndef _KERNEL
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| 71 |
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| 72 | #include <sys/cdefs.h>
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| 73 |
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| 74 | __BEGIN_DECLS
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| 75 | #ifdef TCPV40HDRS
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| 76 | /** The v40 socket ioctl interface.
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| 77 | * @remark sys based libc have separeate handle spaces for sockets and files
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| 78 | * therefore this socket specific call.
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| 79 | */
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| 80 | int TCPCALL os2_ioctl __P((int, int, char *, int));
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| 81 | /** Wrapper around the ioctl() interface of OS/2 BSD 4.3. */
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| 82 | int TCPCALL so_ioctl __P((int, unsigned long, ...));
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| 83 | #else
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| 84 | /** The v41+ BSD socket ioctl interface. */
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| 85 | int TCPCALL so_ioctl __P((int, unsigned long, ...));
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| 86 | /** The v41+ OS/2 specific socket ioctl interface. */
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| 87 | int TCPCALL os2_ioctl __P((int, unsigned long, char *, int));
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| 88 | #endif
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| 89 |
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| 90 | int ioctl __P((int, unsigned long, ...));
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| 91 | int _ioctl __P((int, unsigned long, ...));
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| 92 | __END_DECLS
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| 93 |
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| 94 | #endif
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| 95 |
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| 96 | /* toolkit */
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| 97 | #define ioc(x,y) ((x<<8)|y)
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| 98 |
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| 99 | #endif /* !_SYS_IOCCOM_H_ */
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| 100 |
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