disklabel_rdb.h revision 1.4
1 /* $NetBSD: disklabel_rdb.h,v 1.4 2017/02/26 11:51:38 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 #ifndef _SYS_DISKLABEL_RDB_H_ 33 #define _SYS_DISKLABEL_RDB_H_ 34 35 #include <sys/types.h> 36 37 /* 38 * describes ados Rigid Disk Blocks 39 * which are used to partition a drive 40 */ 41 #define RDBNULL ((uint32_t)0xffffffff) 42 43 /* 44 * you will find rdblock somewhere in [0, RDBMAXBLOCKS) 45 */ 46 #define RDB_MAXBLOCKS 16 47 48 struct rdblock { 49 uint32_t id; /* 'RDSK' */ 50 uint32_t nsumlong; /* number of long words in check sum */ 51 uint32_t chksum; /* simple additive with wrap checksum */ 52 uint32_t hostid; /* scsi target of host */ 53 uint32_t nbytes; /* size of disk blocks */ 54 uint32_t flags; 55 uint32_t badbhead; /* linked list of badblocks */ 56 uint32_t partbhead; /* linked list of partblocks */ 57 uint32_t fsbhead; /* " " of fsblocks */ 58 uint32_t driveinit; 59 uint32_t resv1[6]; /* RDBNULL */ 60 uint32_t ncylinders; /* number of cylinders on drive */ 61 uint32_t nsectors; /* number of sectors per track */ 62 uint32_t nheads; /* number of tracks per cylinder */ 63 uint32_t interleave; 64 uint32_t park; /* only used with st506 i.e. not */ 65 uint32_t resv2[3]; 66 uint32_t wprecomp; /* start cyl for write precomp */ 67 uint32_t reducedwrite; /* start cyl for reduced write current */ 68 uint32_t steprate; /* driver step rate in ?s */ 69 uint32_t resv3[5]; 70 uint32_t rdblowb; /* lowblock of range for rdb's */ 71 uint32_t rdbhighb; /* high block of range for rdb's */ 72 uint32_t lowcyl; /* low cylinder of partition area */ 73 uint32_t highcyl; /* upper cylinder of partition area */ 74 uint32_t secpercyl; /* number of sectors per cylinder */ 75 uint32_t parkseconds; /* zero if no park needed */ 76 uint32_t resv4[2]; 77 char diskvendor[8]; /* inquiry stuff */ 78 char diskproduct[16]; /* inquiry stuff */ 79 char diskrevision[4]; /* inquiry stuff */ 80 char contvendor[8]; /* inquiry stuff */ 81 char contproduct[16]; /* inquiry stuff */ 82 char contrevision[4]; /* inquiry stuff */ 83 #if never_use_secsize 84 uint32_t resv5[0]; 85 #endif 86 }; 87 88 89 #define RDBF_LAST 0x1 /* last drive available */ 90 #define RDBF_LASTLUN 0x2 /* last LUN available */ 91 #define RDBF_LASTUNIT 0x4 /* last target available */ 92 #define RDBF_NORESELECT 0x8 /* do not use reselect */ 93 #define RDBF_DISKID 0x10 /* disk id is valid ?? */ 94 #define RDBF_CTRLID 0x20 /* ctrl id is valid ?? */ 95 #define RDBF_SYNC 0x40 /* drive supports SCSI synchronous mode */ 96 97 struct ados_environ { 98 uint32_t tabsize; /* 0: environ table size */ 99 uint32_t sizeblock; /* 1: n long words in a block */ 100 uint32_t secorg; /* 2: not used must be zero */ 101 uint32_t numheads; /* 3: number of surfaces */ 102 uint32_t secperblk; /* 4: must be 1 */ 103 uint32_t secpertrk; /* 5: blocks per track */ 104 uint32_t resvblocks; /* 6: reserved blocks at start */ 105 uint32_t prefac; /* 7: must be 0 */ 106 uint32_t interleave; /* 8: normally 1 */ 107 uint32_t lowcyl; /* 9: low cylinder of partition */ 108 uint32_t highcyl; /* 10: upper cylinder of partition */ 109 uint32_t numbufs; /* 11: ados: number of buffers */ 110 uint32_t membuftype; /* 12: ados: type of bufmem */ 111 uint32_t maxtrans; /* 13: maxtrans the ctrlr supports */ 112 uint32_t mask; /* 14: mask for valid address */ 113 uint32_t bootpri; /* 15: boot priority for autoboot */ 114 uint32_t dostype; /* 16: filesystem type */ 115 uint32_t baud; /* 17: serial handler baud rate */ 116 uint32_t control; /* 18: control word for fs */ 117 uint32_t bootblocks; /* 19: blocks containing boot code */ 118 uint32_t fsize; /* 20: file system block size */ 119 uint32_t frag; /* 21: allowable frags per block */ 120 uint32_t cpg; /* 22: cylinders per group */ 121 }; 122 123 struct partblock { 124 uint32_t id; /* 'PART' */ 125 uint32_t nsumlong; /* number of long words in check sum */ 126 uint32_t chksum; /* simple additive with wrap checksum */ 127 uint32_t hostid; /* scsi target of host */ 128 uint32_t next; /* next in chain */ 129 uint32_t flags; /* see below */ 130 uint32_t resv1[3]; 131 unsigned char partname[32]; /* (BCPL) part name (may not be unique) */ 132 uint32_t resv2[15]; 133 struct ados_environ e; 134 #if never_use_secsize 135 uint32_t extra[9]; /* 8 for extra added to environ */ 136 #endif 137 }; 138 139 #define PBF_BOOTABLE 0x1 /* partition is bootable */ 140 #define PBF_NOMOUNT 0x2 /* partition should be mounted */ 141 142 struct badblock { 143 uint32_t id; /* 'BADB' */ 144 uint32_t nsumlong; /* number of long words in check sum */ 145 uint32_t chksum; /* simple additive with wrap checksum */ 146 uint32_t hostid; /* scsi target of host */ 147 uint32_t next; /* next in chain */ 148 uint32_t resv; 149 struct badblockent { 150 uint32_t badblock; 151 uint32_t goodblock; 152 } badtab[0]; /* 61 for secsize == 512 */ 153 }; 154 155 struct fsblock { 156 uint32_t id; /* 'FSHD' */ 157 uint32_t nsumlong; /* number of long words in check sum */ 158 uint32_t chksum; /* simple additive with wrap checksum */ 159 uint32_t hostid; /* scsi target of host */ 160 uint32_t next; /* next in chain */ 161 uint32_t flags; 162 uint32_t resv1[2]; 163 uint32_t dostype; /* this is a file system for this type */ 164 uint32_t version; /* version of this fs */ 165 uint32_t patchflags; /* describes which functions to replace */ 166 uint32_t type; /* zero */ 167 uint32_t task; /* zero */ 168 uint32_t lock; /* zero */ 169 uint32_t handler; /* zero */ 170 uint32_t stacksize; /* to use when loading handler */ 171 uint32_t priority; /* to run the fs at. */ 172 uint32_t startup; /* zero */ 173 uint32_t lsegblocks; /* linked list of lsegblocks of fs code */ 174 uint32_t globalvec; /* bcpl vector not used mostly */ 175 #if never_use_secsize 176 uint32_t resv2[44]; 177 #endif 178 }; 179 180 struct lsegblock { 181 uint32_t id; /* 'LSEG' */ 182 uint32_t nsumlong; /* number of long words in check sum */ 183 uint32_t chksum; /* simple additive with wrap checksum */ 184 uint32_t hostid; /* scsi target of host */ 185 uint32_t next; /* next in chain */ 186 uint32_t loaddata[0]; /* load segment data, 123 for secsize == 512 */ 187 }; 188 189 #define RDBLOCK_ID 0x5244534b /* 'RDSK' */ 190 #define PARTBLOCK_ID 0x50415254 /* 'PART' */ 191 #define BADBLOCK_ID 0x42414442 /* 'BADB' */ 192 #define FSBLOCK_ID 0x46534844 /* 'FSHD' */ 193 #define LSEGBLOCK_ID 0x4c534547 /* 'LSEG' */ 194 195 /* 196 * Dos types for identifying file systems 197 * bsd file systems will be 'N','B',x,y where y is the fstype found in 198 * disklabel.h (for DOST_DOS it will be the version number) 199 */ 200 #define DOST_XXXBSD 0x42534400 /* Old type back compat*/ 201 #define DOST_NBR 0x4e425200 /* 'NBRx' NetBSD root partition */ 202 #define DOST_NBS 0x4e425300 /* 'NBS0' NetBSD swap partition */ 203 #define DOST_NBU 0x4e425500 /* 'NBUx' NetBSD user partition */ 204 #define DOST_DOS 0x444f5300 /* 'DOSx' AmigaDos partition */ 205 #define DOST_AMIX 0x554e4900 /* 'UNIx' AmigaDos partition */ 206 #define DOST_MUFS 0x6d754600 /* 'muFx' AmigaDos partition (muFS) */ 207 #define DOST_EXT2 0x4c4e5800 /* 'LNX0' Linux fs partition (ext2fs) */ 208 #define DOST_LNXSWP 0x53575000 /* 'SWP0' Linux swap partition */ 209 #define DOST_RAID 0x52414900 /* 'RAID' Raidframe partition */ 210 #define DOST_MSD 0x4d534400 /* 'MSDx' MSDOS partition */ 211 #define DOST_SFS 0x53465300 /* 'SFSx' Smart fs partition */ 212 213 struct adostype { 214 unsigned char archtype; /* see ADT_xxx below */ 215 unsigned char fstype; /* byte 3 from amiga dostype */ 216 }; 217 218 /* archtypes */ 219 #define ADT_UNKNOWN 0 220 #define ADT_AMIGADOS 1 221 #define ADT_NETBSDROOT 2 222 #define ADT_NETBSDSWAP 3 223 #define ADT_NETBSDUSER 4 224 #define ADT_AMIX 5 225 #define ADT_EXT2 6 226 #define ADT_RAID 7 227 #define ADT_MSD 8 228 #define ADT_SFS 9 229 230 #define ISFSARCH_NETBSD(adt) \ 231 ((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER) 232 233 #endif /* _SYS_DISKLABEL_RDB_H_ */ 234
Indexes created Mon Sep 22 13:09:51 GMT 2025