sys/arch/macppc/include/disklabel.h

   1 /*      $NetBSD: disklabel.h,v 1.11.2.1 2004/11/14 08:15:16 skrll Exp $ */
   2
   3 /*-
   4  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
   5  * Copyright (C) 1995, 1996 TooLs GmbH.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by TooLs GmbH.
  19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 /*
  34  * Copyright (c) 1994 Christopher G. Demetriou
  35  * All rights reserved.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  * 1. Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  * 2. Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in the
  44  *    documentation and/or other materials provided with the distribution.
  45  * 3. All advertising materials mentioning features or use of this software
  46  *    must display the following acknowledgement:
  47  *      This product includes software developed by Christopher G. Demetriou.
  48  * 4. The name of the author may not be used to endorse or promote products
  49  *    derived from this software without specific prior written permission
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  52  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  53  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  54  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  55  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  56  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  60  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  */
  62 /*-
  63  * Copyright (C) 1993   Allen K. Briggs, Chris P. Caputo,
  64  *                      Michael L. Finch, Bradley A. Grantham, and
  65  *                      Lawrence A. Kesteloot
  66  * All rights reserved.
  67  *
  68  * Redistribution and use in source and binary forms, with or without
  69  * modification, are permitted provided that the following conditions
  70  * are met:
  71  * 1. Redistributions of source code must retain the above copyright
  72  *    notice, this list of conditions and the following disclaimer.
  73  * 2. Redistributions in binary form must reproduce the above copyright
  74  *    notice, this list of conditions and the following disclaimer in the
  75  *    documentation and/or other materials provided with the distribution.
  76  * 3. All advertising materials mentioning features or use of this software
  77  *    must display the following acknowledgement:
  78  *      This product includes software developed by the Alice Group.
  79  * 4. The names of the Alice Group or any of its members may not be used
  80  *    to endorse or promote products derived from this software without
  81  *    specific prior written permission.
  82  *
  83  * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
  84  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  85  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  86  * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
  87  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  88  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  89  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  90  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  91  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  92  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  93  *
  94  */
  95
  96 #ifndef _MACHINE_DISKLABEL_H_
  97 #define _MACHINE_DISKLABEL_H_
  98
  99 #define LABELSECTOR     0               /* sector containing label */
 100 #define LABELOFFSET     64              /* offset of label in sector */
 101 #define MBR_LABELSECTOR 1               /* sector containing label - in MBR */
 102 #define MBR_LABELOFFSET 0               /* offset of label in sector - in MBR */
 103 #define MAXPARTITIONS   16              /* number of partitions */
 104 #define RAW_PART        2               /* raw partition: XX?c */
 105
 106 struct cpu_disklabel {
 107         daddr_t cd_start;       /* Offset to NetBSD partition in blocks */
 108         daddr_t cd_labelsector; /* label sector offset from cd_start */
 109         int cd_labeloffset;     /* label byte offset within label sector */
 110 };
 111
 112 /*
 113  * Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager
 114  * pp 12-13.  The driver descriptor map always resides on physical block 0.
 115  */
 116 struct drvr_descriptor {
 117         u_int32_t       descBlock;      /* first block of driver */
 118         u_int16_t       descSize;       /* driver size in blocks */
 119         u_int16_t       descType;       /* system type */
 120 };
 121
 122 /* system types; Apple reserves 0-15 */
 123 #define DRVR_TYPE_MACINTOSH     1
 124
 125 struct drvr_map {
 126 #define DRIVER_MAP_MAGIC        0x4552
 127         u_int16_t       sbSig;          /* map signature */
 128         u_int16_t       sbBlockSize;    /* block size of device */
 129         u_int32_t       sbBlkCount;     /* number of blocks on device */
 130         u_int16_t       sbDevType;      /* (used internally by ROM) */
 131         u_int16_t       sbDevID;        /* (used internally by ROM) */
 132         u_int32_t       sbData;         /* (used internally by ROM) */
 133         u_int16_t       sbDrvrCount;    /* number of driver descriptors */
 134 #define DRVR_MAX_DESCRIPTORS    61
 135         struct drvr_descriptor sb_dd[DRVR_MAX_DESCRIPTORS];
 136         u_int16_t       pad[3];
 137 } __attribute__ ((packed));
 138
 139 #define ddBlock(N)      sb_dd[(N)].descBlock
 140 #define ddSize(N)       sb_dd[(N)].descSize
 141 #define ddType(N)       sb_dd[(N)].descType
 142
 143 /*
 144  * Partition map structure from Inside Macintosh: Devices, SCSI Manager
 145  * pp. 13-14.  The partition map always begins on physical block 1.
 146  *
 147  * With the exception of block 0, all blocks on the disk must belong to
 148  * exactly one partition.  The partition map itself belongs to a partition
 149  * of type `APPLE_PARTITION_MAP', and is not limited in size by anything
 150  * other than available disk space.  The partition map is not necessarily
 151  * the first partition listed.
 152  */
 153 struct part_map_entry {
 154 #define PART_ENTRY_MAGIC        0x504d
 155         u_int16_t       pmSig;          /* partition signature */
 156         u_int16_t       pmSigPad;       /* (reserved) */
 157         u_int32_t       pmMapBlkCnt;    /* number of blocks in partition map */
 158         u_int32_t       pmPyPartStart;  /* first physical block of partition */
 159         u_int32_t       pmPartBlkCnt;   /* number of blocks in partition */
 160         char            pmPartName[32]; /* partition name */
 161         char            pmPartType[32]; /* partition type */
 162         u_int32_t       pmLgDataStart;  /* first logical block of data area */
 163         u_int32_t       pmDataCnt;      /* number of blocks in data area */
 164         u_int32_t       pmPartStatus;   /* partition status information */
 165         u_int32_t       pmLgBootStart;  /* first logical block of boot code */
 166         u_int32_t       pmBootSize;     /* size of boot code, in bytes */
 167         u_int32_t       pmBootLoad;     /* boot code load address */
 168         u_int32_t       pmBootLoad2;    /* (reserved) */
 169         u_int32_t       pmBootEntry;    /* boot code entry point */
 170         u_int32_t       pmBootEntry2;   /* (reserved) */
 171         u_int32_t       pmBootCksum;    /* boot code checksum */
 172         char            pmProcessor[16]; /* processor type (e.g. "68020") */
 173         u_int8_t        pmBootArgs[128]; /* A/UX boot arguments */
 174         u_int8_t        pad[248];       /* pad to end of block */
 175 };
 176
 177 #define PART_TYPE_DRIVER        "APPLE_DRIVER"
 178 #define PART_TYPE_DRIVER43      "APPLE_DRIVER43"
 179 #define PART_TYPE_DRIVERATA     "APPLE_DRIVER_ATA"
 180 #define PART_TYPE_DRIVERIOKIT   "APPLE_DRIVER_IOKIT"
 181 #define PART_TYPE_FWDRIVER      "APPLE_FWDRIVER"
 182 #define PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS"
 183 #define PART_TYPE_FREE          "APPLE_FREE"
 184 #define PART_TYPE_MAC           "APPLE_HFS"
 185 #define PART_TYPE_APPLEUFS      "APPLE_UFS"
 186 #define PART_TYPE_NETBSD        "NETBSD"
 187 #define PART_TYPE_NBSD_PPCBOOT  "NETBSD/MACPPC"
 188 #define PART_TYPE_NBSD_68KBOOT  "NETBSD/MAC68K"
 189 #define PART_TYPE_PATCHES       "APPLE_PATCHES"
 190 #define PART_TYPE_PARTMAP       "APPLE_PARTITION_MAP"
 191 #define PART_TYPE_SCRATCH       "APPLE_SCRATCH"
 192 #define PART_TYPE_BOOT          "APPLE_BOOT"
 193 #define PART_TYPE_LOADER        "APPLE_LOADER"
 194 #define PART_TYPE_UNIX          "APPLE_UNIX_SVR2"
 195 #define PART_TYPE_LINUX "LINUX"
 196 #define PART_TYPE_LINUX_SWAP    "LINUX_SWAP"
 197
 198 /*
 199  * "pmBootArgs" for APPLE_UNIX_SVR2 partition.
 200  * NetBSD/mac68k only uses Magic, Cluster, Type, and Flags.
 201  */
 202 struct blockzeroblock {
 203         u_int32_t       bzbMagic;
 204         u_int8_t        bzbCluster;
 205         u_int8_t        bzbType;
 206         u_int16_t       bzbBadBlockInode;
 207         u_int16_t       bzbFlags;
 208         u_int16_t       bzbReserved;
 209         u_int32_t       bzbCreationTime;
 210         u_int32_t       bzbMountTime;
 211         u_int32_t       bzbUMountTime;
 212 };
 213 #define bzbFSType       bzbType
 214 #define bzbFrag         bzbCluster
 215 #define bzbCPG          bzbBadBlockInode        /* Also sgs for LFS */
 216 #define bzbFSize        bzbCreationTime
 217
 218 /* Apple occasionally changes these */
 219 #define BZB_MAGIC       0xABADBABE
 220 #define BZB_TYPEFS      1
 221 #define BZB_TYPESWAP    3
 222 #define BZB_ROOTFS      0x8000
 223 #define BZB_USRFS       0x4000
 224 #define BZB_USRFS_NEW   0x0004
 225
 226 #endif  /* _MACHINE_DISKLABEL_H_ */