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/disklabel_acorn.h

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    1 /*      $NetBSD: disklabel_acorn.h,v 1.3 2003/01/11 18:54:19 christos Exp $     */
    2 
    3 /*
    4  * Copyright (c) 1994 Mark Brinicombe.
    5  * Copyright (c) 1994 Brini.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software written for Brini by Mark Brinicombe
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by Brini.
   21  * 4. The name of the company nor the name of the author may be used to
   22  *    endorse or promote products derived from this software without specific
   23  *    prior written permission.
   24  *
   25  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
   26  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
   27  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   28  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   29  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   35  * SUCH DAMAGE.
   36  */
   37 
   38 #ifndef _SYS_DISKLABEL_ACORN_H_
   39 #define _SYS_DISKLABEL_ACORN_H_
   40 
   41 #define PARTITION_TYPE_UNUSED  0
   42 #define PARTITION_TYPE_ADFS    1
   43 #define PARTITION_TYPE_RISCIX  2
   44 
   45 #define PARTITION_FORMAT_RISCIX  2
   46 #define PARTITION_FORMAT_RISCBSD 0x42
   47 
   48 #define FILECORE_BOOT_SECTOR 6
   49 
   50 /* Stuff to deal with RISCiX partitions */
   51 
   52 #define NRISCIX_PARTITIONS 8
   53 #define RISCIX_PARTITION_OFFSET 8
   54 
   55 struct riscix_partition {
   56         uint32_t        rp_start;
   57         uint32_t        rp_length;
   58         uint32_t        rp_type;
   59         int8_t          rp_name[16];
   60 };
   61 
   62 struct riscix_partition_table {
   63         uint32_t        pad0;
   64         uint32_t        pad1;
   65         struct riscix_partition partitions[NRISCIX_PARTITIONS];
   66 };
   67 
   68 struct filecore_bootblock {
   69         uint8_t         padding0[0x1c0];
   70         uint8_t         log2secsize;
   71         uint8_t         secspertrack;
   72         uint8_t         heads;
   73         uint8_t         density;
   74         uint8_t         idlen;
   75         uint8_t         log2bpmb;
   76         uint8_t         skew;
   77         uint8_t         bootoption;
   78         uint8_t         lowsector;
   79         uint8_t         nzones;
   80         uint16_t        zone_spare;
   81         uint32_t        root;
   82         uint32_t        disc_size;
   83         uint16_t        disc_id;
   84         uint8_t         disc_name[10];
   85         uint32_t        disc_type;
   86 
   87         uint8_t         padding1[24];
   88 
   89         uint8_t         partition_type;
   90         uint8_t         partition_cyl_low;
   91         uint8_t         partition_cyl_high;
   92         uint8_t         checksum;
   93 };
   94 
   95 #if defined(_KERNEL) && !defined(__ASSEMBLER__)
   96 struct buf;
   97 struct cpu_disklabel;
   98 struct disklabel;
   99 
  100 /* for readdisklabel.  rv != 0 -> matches, msg == NULL -> success */
  101 int     filecore_label_read __P((dev_t, void (*)(struct buf *),
  102             struct disklabel *, struct cpu_disklabel *, char **, int *,
  103             int *));
  104 
  105 /* for writedisklabel.  rv == 0 -> dosen't match, rv > 0 -> success */
  106 int     filecore_label_locate __P((dev_t, void (*)(struct buf *),
  107             struct disklabel *, struct cpu_disklabel *, int *, int *));
  108 #endif
  109 #endif /* _SYS_DISKLABEL_ACORN_H_ */

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