disklabel.h revision 1.7
1 /* $NetBSD: disklabel.h,v 1.7 2001/02/27 06:16:06 matt 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 MAXPARTITIONS 16 /* number of partitions */ 102 #define RAW_PART 2 /* raw partition: XX?c */ 103 104 struct cpu_disklabel { 105 int cd_start; /* Offset to NetBSD partition in blocks */ 106 }; 107 108 /* 109 * Driver Descriptor Map, from Inside Macintosh: Devices, SCSI Manager 110 * pp 12-13. The driver descriptor map always resides on physical block 0. 111 */ 112 struct drvr_descriptor { 113 u_int32_t descBlock; /* first block of driver */ 114 u_int16_t descSize; /* driver size in blocks */ 115 u_int16_t descType; /* system type */ 116 }; 117 118 /* system types; Apple reserves 0-15 */ 119 #define DRVR_TYPE_MACINTOSH 1 120 121 struct drvr_map { 122 #define DRIVER_MAP_MAGIC 0x4552 123 u_int16_t sbSig; /* map signature */ 124 u_int16_t sbBlockSize; /* block size of device */ 125 u_int32_t sbBlkCount; /* number of blocks on device */ 126 u_int16_t sbDevType; /* (used internally by ROM) */ 127 u_int16_t sbDevID; /* (used internally by ROM) */ 128 u_int32_t sbData; /* (used internally by ROM) */ 129 u_int16_t sbDrvrCount; /* number of driver descriptors */ 130 #define DRVR_MAX_DESCRIPTORS 61 131 struct drvr_descriptor sb_dd[DRVR_MAX_DESCRIPTORS]; 132 u_int16_t pad[3]; 133 } __attribute__ ((packed)); 134 135 #define ddBlock(N) sb_dd[(N)].descBlock 136 #define ddSize(N) sb_dd[(N)].descSize 137 #define ddType(N) sb_dd[(N)].descType 138 139 /* 140 * Partition map structure from Inside Macintosh: Devices, SCSI Manager 141 * pp. 13-14. The partition map always begins on physical block 1. 142 * 143 * With the exception of block 0, all blocks on the disk must belong to 144 * exactly one partition. The partition map itself belongs to a partition 145 * of type `APPLE_PARTITION_MAP', and is not limited in size by anything 146 * other than available disk space. The partition map is not necessarily 147 * the first partition listed. 148 */ 149 struct part_map_entry { 150 #define PART_ENTRY_MAGIC 0x504d 151 u_int16_t pmSig; /* partition signature */ 152 u_int16_t pmSigPad; /* (reserved) */ 153 u_int32_t pmMapBlkCnt; /* number of blocks in partition map */ 154 u_int32_t pmPyPartStart; /* first physical block of partition */ 155 u_int32_t pmPartBlkCnt; /* number of blocks in partition */ 156 char pmPartName[32]; /* partition name */ 157 char pmPartType[32]; /* partition type */ 158 u_int32_t pmLgDataStart; /* first logical block of data area */ 159 u_int32_t pmDataCnt; /* number of blocks in data area */ 160 u_int32_t pmPartStatus; /* partition status information */ 161 u_int32_t pmLgBootStart; /* first logical block of boot code */ 162 u_int32_t pmBootSize; /* size of boot code, in bytes */ 163 u_int32_t pmBootLoad; /* boot code load address */ 164 u_int32_t pmBootLoad2; /* (reserved) */ 165 u_int32_t pmBootEntry; /* boot code entry point */ 166 u_int32_t pmBootEntry2; /* (reserved) */ 167 u_int32_t pmBootCksum; /* boot code checksum */ 168 char pmProcessor[16]; /* processor type (e.g. "68020") */ 169 u_int8_t pmBootArgs[128]; /* A/UX boot arguments */ 170 u_int8_t pad[248]; /* pad to end of block */ 171 }; 172 173 #define PART_TYPE_DRIVER "APPLE_DRIVER" 174 #define PART_TYPE_DRIVER43 "APPLE_DRIVER43" 175 #define PART_TYPE_DRIVERATA "APPLE_DRIVER_ATA" 176 #define PART_TYPE_DRIVERIOKIT "APPLE_DRIVER_IOKIT" 177 #define PART_TYPE_FWDRIVER "APPLE_FWDRIVER" 178 #define PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS" 179 #define PART_TYPE_FREE "APPLE_FREE" 180 #define PART_TYPE_MAC "APPLE_HFS" 181 #define PART_TYPE_NETBSD "NETBSD" 182 #define PART_TYPE_NBSD_PPCBOOT "NETBSD/MACPPC" 183 #define PART_TYPE_PARTMAP "APPLE_PARTITION_MAP" 184 #define PART_TYPE_PATCHES "APPLE_PATCHES" 185 #define PART_TYPE_SCRATCH "APPLE_SCRATCH" 186 #define PART_TYPE_UNIX "APPLE_UNIX_SVR2" 187 188 /* 189 * "pmBootArgs" for APPLE_UNIX_SVR2 partition. 190 * NetBSD/mac68k only uses Magic, Cluster, Type, and Flags. 191 */ 192 struct blockzeroblock { 193 u_int32_t bzbMagic; 194 u_int8_t bzbCluster; 195 u_int8_t bzbType; 196 u_int16_t bzbBadBlockInode; 197 u_int16_t bzbFlags; 198 u_int16_t bzbReserved; 199 u_int32_t bzbCreationTime; 200 u_int32_t bzbMountTime; 201 u_int32_t bzbUMountTime; 202 }; 203 204 /* Apple occasionally changes these */ 205 #define BZB_MAGIC 0xABADBABE 206 #define BZB_TYPEFS 1 207 #define BZB_TYPESWAP 3 208 #define BZB_ROOTFS 0x8000 209 #define BZB_USRFS 0x4000 210 #define BZB_USRFS_NEW 0x0004 211 212 #ifdef _KERNEL 213 struct disklabel; 214 int bounds_check_with_label __P((struct buf *bp, struct disklabel *lp, int wlabel)); 215 #endif /* _KERNEL */ 216 217 #endif /* _MACHINE_DISKLABEL_H_ */ 218
Indexes created Fri Sep 26 20:09:58 GMT 2025