[39e6e65a] | 1 | /*- |
---|
| 2 | * Copyright (c) 1982, 1986, 1990, 1993, 1994 |
---|
| 3 | * The Regents of the University of California. All rights reserved. |
---|
| 4 | * |
---|
| 5 | * Redistribution and use in source and binary forms, with or without |
---|
| 6 | * modification, are permitted provided that the following conditions |
---|
| 7 | * are met: |
---|
| 8 | * 1. Redistributions of source code must retain the above copyright |
---|
| 9 | * notice, this list of conditions and the following disclaimer. |
---|
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
| 11 | * notice, this list of conditions and the following disclaimer in the |
---|
| 12 | * documentation and/or other materials provided with the distribution. |
---|
| 13 | * 3. All advertising materials mentioning features or use of this software |
---|
| 14 | * must display the following acknowledgement: |
---|
| 15 | * This product includes software developed by the University of |
---|
| 16 | * California, Berkeley and its contributors. |
---|
| 17 | * 4. Neither the name of the University nor the names of its contributors |
---|
| 18 | * may be used to endorse or promote products derived from this software |
---|
| 19 | * without specific prior written permission. |
---|
| 20 | * |
---|
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
---|
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
---|
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
---|
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
---|
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
---|
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
---|
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
---|
| 31 | * SUCH DAMAGE. |
---|
| 32 | * |
---|
| 33 | * @(#)ioccom.h 8.2 (Berkeley) 3/28/94 |
---|
| 34 | * $Id$ |
---|
| 35 | */ |
---|
| 36 | |
---|
| 37 | #ifndef _SYS_IOCCOM_H_ |
---|
| 38 | #define _SYS_IOCCOM_H_ |
---|
| 39 | |
---|
[9b05600] | 40 | /* the definitions were moved to a common placed so they could be shared */ |
---|
| 41 | #include <sys/rtems_ioccom.h> |
---|
| 42 | |
---|
| 43 | #if 0 |
---|
[39e6e65a] | 44 | /* |
---|
| 45 | * Ioctl's have the command encoded in the lower word, and the size of |
---|
| 46 | * any in or out parameters in the upper word. The high 3 bits of the |
---|
| 47 | * upper word are used to encode the in/out status of the parameter. |
---|
| 48 | */ |
---|
| 49 | #define IOCPARM_MASK 0x1fff /* parameter length, at most 13 bits */ |
---|
| 50 | #define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) |
---|
| 51 | #define IOCBASECMD(x) ((x) & ~(IOCPARM_MASK << 16)) |
---|
| 52 | #define IOCGROUP(x) (((x) >> 8) & 0xff) |
---|
| 53 | |
---|
| 54 | #define IOCPARM_MAX PAGE_SIZE /* max size of ioctl, mult. of PAGE_SIZE */ |
---|
| 55 | #define IOC_VOID 0x20000000 /* no parameters */ |
---|
| 56 | #define IOC_OUT 0x40000000 /* copy out parameters */ |
---|
| 57 | #define IOC_IN 0x80000000 /* copy in parameters */ |
---|
| 58 | #define IOC_INOUT (IOC_IN|IOC_OUT) |
---|
| 59 | #define IOC_DIRMASK 0xe0000000 /* mask for IN/OUT/VOID */ |
---|
| 60 | |
---|
| 61 | #define _IOC(inout,group,num,len) \ |
---|
| 62 | (inout | ((len & IOCPARM_MASK) << 16) | ((group) << 8) | (num)) |
---|
| 63 | #define _IO(g,n) _IOC(IOC_VOID, (g), (n), 0) |
---|
| 64 | #define _IOR(g,n,t) _IOC(IOC_OUT, (g), (n), sizeof(t)) |
---|
| 65 | #define _IOW(g,n,t) _IOC(IOC_IN, (g), (n), sizeof(t)) |
---|
| 66 | /* this should be _IORW, but stdio got there first */ |
---|
| 67 | #define _IOWR(g,n,t) _IOC(IOC_INOUT, (g), (n), sizeof(t)) |
---|
[9b05600] | 68 | #endif |
---|
[39e6e65a] | 69 | |
---|
| 70 | #ifndef KERNEL |
---|
| 71 | |
---|
| 72 | #include <sys/cdefs.h> |
---|
| 73 | |
---|
| 74 | __BEGIN_DECLS |
---|
[4186b3b] | 75 | int ioctl __P((int, int, ...)); |
---|
[39e6e65a] | 76 | __END_DECLS |
---|
| 77 | |
---|
| 78 | #endif /* !KERNEL */ |
---|
| 79 | |
---|
| 80 | #endif /* !_SYS_IOCCOM_H_ */ |
---|