| /*- |
| * Copyright (c) 1982, 1986, 1990, 1993, 1994 |
| * 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. |
| * 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. |
| * |
| * @(#)ioccom.h 8.2 (Berkeley) 3/28/94 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_SYS_IOCCOM_H_ |
| #define _BSD_SYS_IOCCOM_H_ |
| |
| #ifndef OLD_LINUX |
| #include <asm-generic/ioctl.h> |
| #else |
| #include <asm/ioctl.h> |
| #endif |
| #if 0 |
| /* |
| * 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 << 16)) |
| #define IOCGROUP(x) (((x) >> 8) & 0xff) |
| |
| #define IOCPARM_MAX PAGE_SIZE /* max size of ioctl, mult. of PAGE_SIZE */ |
| #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 (IOC_VOID|IOC_OUT|IOC_IN) |
| |
| #define _IOC(inout,group,num,len) ((unsigned long) \ |
| ((inout) | (((len) & IOCPARM_MASK) << 16) | ((group) << 8) | (num))) |
| #define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0) |
| #define _IOWINT(g,n) _IOC(IOC_VOID, (g), (n), sizeof(int)) |
| #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)) |
| |
| #ifdef _FREEBSD_KERNEL |
| |
| #if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \ |
| defined(COMPAT_FREEBSD4) || defined(COMPAT_43) |
| #define IOCPARM_IVAL(x) ((int)(intptr_t)(void *)*(caddr_t *)(void *)(x)) |
| #endif |
| |
| #else |
| |
| #include <sys/bsd_cdefs.h> |
| |
| __BEGIN_DECLS |
| int ioctl(int, unsigned long, ...); |
| __END_DECLS |
| |
| #endif |
| |
| #endif //0 |
| |
| #endif /* !_BSD_SYS_IOCCOM_H_ */ |
