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/diskpc98.h

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    1 /*-
    2  * Copyright (c) 1987, 1988, 1993
    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  * 4. Neither the name of the University nor the names of its contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  *      @(#)disklabel.h 8.2 (Berkeley) 7/10/94
   30  * $FreeBSD: releng/11.1/sys/sys/diskpc98.h 254015 2013-08-07 00:00:48Z marcel $
   31  */
   32 
   33 #ifndef _SYS_DISKPC98_H_
   34 #define _SYS_DISKPC98_H_
   35 
   36 #include <sys/ioccom.h>
   37 
   38 #define PC98_BBSECTOR   1       /* DOS boot block relative sector number */
   39 #define PC98_PARTOFF    0
   40 #define PC98_PARTSIZE   32
   41 #define PC98_NPARTS     16
   42 #define PC98_MAGICOFS   510
   43 #define PC98_MAGIC      0xAA55
   44 
   45 #define PC98_MID_BOOTABLE       0x80
   46 #define PC98_MID_MASK           0x7f
   47 #define PC98_MID_386BSD         0x14
   48 
   49 #define PC98_SID_ACTIVE         0x80
   50 #define PC98_SID_MASK           0x7f
   51 #define PC98_SID_386BSD         0x44
   52 
   53 #define DOSMID_386BSD           (PC98_MID_386BSD | PC98_MID_BOOTABLE)
   54 #define DOSSID_386BSD           (PC98_SID_386BSD | PC98_SID_ACTIVE)
   55 #define PC98_PTYP_386BSD        (DOSSID_386BSD << 8 | DOSMID_386BSD)
   56 
   57 struct pc98_partition {
   58         unsigned char   dp_mid;
   59         unsigned char   dp_sid;
   60         unsigned char   dp_dum1;
   61         unsigned char   dp_dum2;
   62         unsigned char   dp_ipl_sct;
   63         unsigned char   dp_ipl_head;
   64         unsigned short  dp_ipl_cyl;
   65         unsigned char   dp_ssect;       /* starting sector */
   66         unsigned char   dp_shd;         /* starting head */
   67         unsigned short  dp_scyl;        /* starting cylinder */
   68         unsigned char   dp_esect;       /* end sector */
   69         unsigned char   dp_ehd;         /* end head */
   70         unsigned short  dp_ecyl;        /* end cylinder */
   71         unsigned char   dp_name[16];
   72 };
   73 #ifdef CTASSERT
   74 CTASSERT(sizeof (struct pc98_partition) == PC98_PARTSIZE);
   75 #endif
   76 
   77 void pc98_partition_dec(void const *pp, struct pc98_partition *d);
   78 void pc98_partition_enc(void *pp, struct pc98_partition *d);
   79 
   80 #define DIOCSPC98       _IOW('M', 129, u_char[8192])
   81 
   82 #endif /* !_SYS_DISKPC98_H_ */

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