1 /* $NetBSD: disklabel_rdb.h,v 1.5 2021/02/20 09:51:20 rin Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Christian E. Hopps 5 * 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christian E. Hopps. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _SYS_DISKLABEL_RDB_H_ 34 #define _SYS_DISKLABEL_RDB_H_ 35 36 #include <sys/types.h> 37 38 /* 39 * describes ados Rigid Disk Blocks 40 * which are used to partition a drive 41 */ 42 #define RDBNULL ((uint32_t)0xffffffff) 43 44 /* 45 * you will find rdblock somewhere in [0, RDBMAXBLOCKS) 46 */ 47 #define RDB_MAXBLOCKS 16 48 49 struct rdblock { 50 uint32_t id; /* 'RDSK' */ 51 uint32_t nsumlong; /* number of long words in check sum */ 52 uint32_t chksum; /* simple additive with wrap checksum */ 53 uint32_t hostid; /* scsi target of host */ 54 uint32_t nbytes; /* size of disk blocks */ 55 uint32_t flags; 56 uint32_t badbhead; /* linked list of badblocks */ 57 uint32_t partbhead; /* linked list of partblocks */ 58 uint32_t fsbhead; /* " " of fsblocks */ 59 uint32_t driveinit; 60 uint32_t resv1[6]; /* RDBNULL */ 61 uint32_t ncylinders; /* number of cylinders on drive */ 62 uint32_t nsectors; /* number of sectors per track */ 63 uint32_t nheads; /* number of tracks per cylinder */ 64 uint32_t interleave; 65 uint32_t park; /* only used with st506 i.e. not */ 66 uint32_t resv2[3]; 67 uint32_t wprecomp; /* start cyl for write precomp */ 68 uint32_t reducedwrite; /* start cyl for reduced write current */ 69 uint32_t steprate; /* driver step rate in ?s */ 70 uint32_t resv3[5]; 71 uint32_t rdblowb; /* lowblock of range for rdb's */ 72 uint32_t rdbhighb; /* high block of range for rdb's */ 73 uint32_t lowcyl; /* low cylinder of partition area */ 74 uint32_t highcyl; /* upper cylinder of partition area */ 75 uint32_t secpercyl; /* number of sectors per cylinder */ 76 uint32_t parkseconds; /* zero if no park needed */ 77 uint32_t resv4[2]; 78 char diskvendor[8]; /* inquiry stuff */ 79 char diskproduct[16]; /* inquiry stuff */ 80 char diskrevision[4]; /* inquiry stuff */ 81 char contvendor[8]; /* inquiry stuff */ 82 char contproduct[16]; /* inquiry stuff */ 83 char contrevision[4]; /* inquiry stuff */ 84 #if never_use_secsize 85 uint32_t resv5[0]; 86 #endif 87 }; 88 89 90 #define RDBF_LAST 0x1 /* last drive available */ 91 #define RDBF_LASTLUN 0x2 /* last LUN available */ 92 #define RDBF_LASTUNIT 0x4 /* last target available */ 93 #define RDBF_NORESELECT 0x8 /* do not use reselect */ 94 #define RDBF_DISKID 0x10 /* disk id is valid ?? */ 95 #define RDBF_CTRLID 0x20 /* ctrl id is valid ?? */ 96 #define RDBF_SYNC 0x40 /* drive supports SCSI synchronous mode */ 97 98 struct ados_environ { 99 uint32_t tabsize; /* 0: environ table size */ 100 uint32_t sizeblock; /* 1: n long words in a block */ 101 uint32_t secorg; /* 2: not used must be zero */ 102 uint32_t numheads; /* 3: number of surfaces */ 103 uint32_t secperblk; /* 4: must be 1 */ 104 uint32_t secpertrk; /* 5: blocks per track */ 105 uint32_t resvblocks; /* 6: reserved blocks at start */ 106 uint32_t prefac; /* 7: must be 0 */ 107 uint32_t interleave; /* 8: normally 1 */ 108 uint32_t lowcyl; /* 9: low cylinder of partition */ 109 uint32_t highcyl; /* 10: upper cylinder of partition */ 110 uint32_t numbufs; /* 11: ados: number of buffers */ 111 uint32_t membuftype; /* 12: ados: type of bufmem */ 112 uint32_t maxtrans; /* 13: maxtrans the ctrlr supports */ 113 uint32_t mask; /* 14: mask for valid address */ 114 uint32_t bootpri; /* 15: boot priority for autoboot */ 115 uint32_t dostype; /* 16: filesystem type */ 116 uint32_t baud; /* 17: serial handler baud rate */ 117 uint32_t control; /* 18: control word for fs */ 118 uint32_t bootblocks; /* 19: blocks containing boot code */ 119 uint32_t fsize; /* 20: file system block size */ 120 uint32_t frag; /* 21: allowable frags per block */ 121 uint32_t cpg; /* 22: cylinders per group */ 122 }; 123 124 struct partblock { 125 uint32_t id; /* 'PART' */ 126 uint32_t nsumlong; /* number of long words in check sum */ 127 uint32_t chksum; /* simple additive with wrap checksum */ 128 uint32_t hostid; /* scsi target of host */ 129 uint32_t next; /* next in chain */ 130 uint32_t flags; /* see below */ 131 uint32_t resv1[3]; 132 unsigned char partname[32]; /* (BCPL) part name (may not be unique) */ 133 uint32_t resv2[15]; 134 struct ados_environ e; 135 #if never_use_secsize 136 uint32_t extra[9]; /* 8 for extra added to environ */ 137 #endif 138 }; 139 140 #define PBF_BOOTABLE 0x1 /* partition is bootable */ 141 #define PBF_NOMOUNT 0x2 /* partition should be mounted */ 142 143 struct badblock { 144 uint32_t id; /* 'BADB' */ 145 uint32_t nsumlong; /* number of long words in check sum */ 146 uint32_t chksum; /* simple additive with wrap checksum */ 147 uint32_t hostid; /* scsi target of host */ 148 uint32_t next; /* next in chain */ 149 uint32_t resv; 150 struct badblockent { 151 uint32_t badblock; 152 uint32_t goodblock; 153 } badtab[0]; /* 61 for secsize == 512 */ 154 }; 155 156 struct fsblock { 157 uint32_t id; /* 'FSHD' */ 158 uint32_t nsumlong; /* number of long words in check sum */ 159 uint32_t chksum; /* simple additive with wrap checksum */ 160 uint32_t hostid; /* scsi target of host */ 161 uint32_t next; /* next in chain */ 162 uint32_t flags; 163 uint32_t resv1[2]; 164 uint32_t dostype; /* this is a file system for this type */ 165 uint32_t version; /* version of this fs */ 166 uint32_t patchflags; /* describes which functions to replace */ 167 uint32_t type; /* zero */ 168 uint32_t task; /* zero */ 169 uint32_t lock; /* zero */ 170 uint32_t handler; /* zero */ 171 uint32_t stacksize; /* to use when loading handler */ 172 uint32_t priority; /* to run the fs at. */ 173 uint32_t startup; /* zero */ 174 uint32_t lsegblocks; /* linked list of lsegblocks of fs code */ 175 uint32_t globalvec; /* bcpl vector not used mostly */ 176 #if never_use_secsize 177 uint32_t resv2[44]; 178 #endif 179 }; 180 181 struct lsegblock { 182 uint32_t id; /* 'LSEG' */ 183 uint32_t nsumlong; /* number of long words in check sum */ 184 uint32_t chksum; /* simple additive with wrap checksum */ 185 uint32_t hostid; /* scsi target of host */ 186 uint32_t next; /* next in chain */ 187 uint32_t loaddata[0]; /* load segment data, 123 for secsize == 512 */ 188 }; 189 190 #define RDBLOCK_ID 0x5244534b /* 'RDSK' */ 191 #define PARTBLOCK_ID 0x50415254 /* 'PART' */ 192 #define BADBLOCK_ID 0x42414442 /* 'BADB' */ 193 #define FSBLOCK_ID 0x46534844 /* 'FSHD' */ 194 #define LSEGBLOCK_ID 0x4c534547 /* 'LSEG' */ 195 196 /* 197 * Dos types for identifying file systems 198 * bsd file systems will be 'N','B',x,y where y is the fstype found in 199 * disklabel.h (for DOST_DOS it will be the version number) 200 */ 201 #define DOST_XXXBSD 0x42534400 /* Old type back compat*/ 202 #define DOST_NBR 0x4e425200 /* 'NBRx' NetBSD root partition */ 203 #define DOST_NBS 0x4e425300 /* 'NBS0' NetBSD swap partition */ 204 #define DOST_NBU 0x4e425500 /* 'NBUx' NetBSD user partition */ 205 #define DOST_DOS 0x444f5300 /* 'DOSx' AmigaDos partition */ 206 #define DOST_AMIX 0x554e4900 /* 'UNIx' AmigaDos partition */ 207 #define DOST_MUFS 0x6d754600 /* 'muFx' AmigaDos partition (muFS) */ 208 #define DOST_EXT2 0x4c4e5800 /* 'LNX0' Linux fs partition (ext2fs) */ 209 #define DOST_LNXSWP 0x53575000 /* 'SWP0' Linux swap partition */ 210 #define DOST_RAID 0x52414900 /* 'RAID' Raidframe partition */ 211 #define DOST_MSD 0x4d534400 /* 'MSDx' MSDOS partition */ 212 #define DOST_SFS 0x53465300 /* 'SFSx' Smart fs partition */ 213 214 struct adostype { 215 uint8_t archtype; /* see ADT_xxx below */ 216 uint8_t fstype; /* byte 3 from amiga dostype */ 217 }; 218 219 /* archtypes */ 220 #define ADT_UNKNOWN 0 221 #define ADT_AMIGADOS 1 222 #define ADT_NETBSDROOT 2 223 #define ADT_NETBSDSWAP 3 224 #define ADT_NETBSDUSER 4 225 #define ADT_AMIX 5 226 #define ADT_EXT2 6 227 #define ADT_RAID 7 228 #define ADT_MSD 8 229 #define ADT_SFS 9 230 231 #define ISFSARCH_NETBSD(adt) \ 232 ((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER) 233 234 #endif /* _SYS_DISKLABEL_RDB_H_ */ 235
Indexes created Sat Sep 20 22:09:52 GMT 2025