The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/dkio.h

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    1 /*      $NetBSD: dkio.h,v 1.9 2003/08/07 16:34:02 agc Exp $     */
    2 
    3 /*
    4  * Copyright (c) 1987, 1988, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  */
   31 
   32 #ifndef _SYS_DKIO_H_
   33 #define _SYS_DKIO_H_
   34 
   35 #include <sys/ioccom.h>
   36 
   37 /*
   38  * Disk-specific ioctls.
   39  */
   40                 /* get and set disklabel; DIOCGPART used internally */
   41 #define DIOCGDINFO      _IOR('d', 101, struct disklabel)/* get */
   42 #define DIOCSDINFO      _IOW('d', 102, struct disklabel)/* set */
   43 #define DIOCWDINFO      _IOW('d', 103, struct disklabel)/* set, update disk */
   44 #define DIOCGPART       _IOW('d', 104, struct partinfo) /* get partition */
   45 
   46 #if defined(__HAVE_OLD_DISKLABEL) && defined(_KERNEL)
   47 #define ODIOCGDINFO     _IOR('d', 101, struct olddisklabel)/* get */
   48 #define ODIOCSDINFO     _IOW('d', 102, struct olddisklabel)/* set */
   49 #define ODIOCWDINFO     _IOW('d', 103, struct olddisklabel)/* set, update dk */
   50 #endif
   51 
   52 /* do format operation, read or write */
   53 #define DIOCRFORMAT     _IOWR('d', 105, struct format_op)
   54 #define DIOCWFORMAT     _IOWR('d', 106, struct format_op)
   55 
   56 #define DIOCSSTEP       _IOW('d', 107, int)     /* set step rate */
   57 #define DIOCSRETRIES    _IOW('d', 108, int)     /* set # of retries */
   58 #define DIOCKLABEL      _IOW('d', 119, int)     /* keep/drop label on close? */
   59 #define DIOCWLABEL      _IOW('d', 109, int)     /* write en/disable label */
   60 
   61 #define DIOCSBAD        _IOW('d', 110, struct dkbad)    /* set kernel dkbad */
   62 #define DIOCEJECT       _IOW('d', 112, int)     /* eject removable disk */
   63 #define ODIOCEJECT      _IO('d', 112)           /* eject removable disk */
   64 #define DIOCLOCK        _IOW('d', 113, int)     /* lock/unlock pack */
   65 
   66                 /* get default label, clear label */
   67 #define DIOCGDEFLABEL   _IOR('d', 114, struct disklabel)
   68 #define DIOCCLRLABEL    _IO('d', 115)
   69 
   70 #if defined(__HAVE_OLD_DISKLABEL) && defined(_KERNEL)
   71 #define ODIOCGDEFLABEL  _IOR('d', 114, struct olddisklabel)
   72 #endif
   73 
   74                 /* disk cache enable/disable */
   75 #define DIOCGCACHE      _IOR('d', 116, int)     /* get cache enables */
   76 #define DIOCSCACHE      _IOW('d', 117, int)     /* set cache enables */
   77 
   78 #define DKCACHE_READ    0x000001 /* read cache enabled */
   79 #define DKCACHE_WRITE   0x000002 /* write(back) cache enabled */
   80 #define DKCACHE_RCHANGE 0x000100 /* read enable is changeable */
   81 #define DKCACHE_WCHANGE 0x000200 /* write enable is changeable */
   82 #define DKCACHE_SAVE    0x010000 /* cache parameters are savable/save them */
   83 
   84                 /* sync disk cache */
   85 #define DIOCCACHESYNC   _IOW('d', 118, int)     /* sync cache (force?) */
   86 
   87                 /* bad sector list */
   88 #define DIOCBSLIST      _IOWR('d', 119, struct disk_badsecinfo) /* get list */
   89 #define DIOCBSFLUSH     _IO('d', 120)                   /* flush list */
   90 
   91 #endif /* _SYS_DKIO_H_ */

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