disklabel_rdb.h revision 1.1
1 /* $NetBSD: disklabel_rdb.h,v 1.1 2009/09/12 08:23:25 phx 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 /* 36 * describes ados Rigid Disk Blocks 37 * which are used to partition a drive 38 */ 39 #define RDBNULL ((u_long)0xffffffff) 40 41 /* 42 * you will find rdblock somewhere in [0, RDBMAXBLOCKS) 43 */ 44 #define RDB_MAXBLOCKS 16 45 46 struct rdblock { 47 u_long id; /* 'RDSK' */ 48 u_long nsumlong; /* number of longs in check sum */ 49 u_long chksum; /* simple additive with wrap checksum */ 50 u_long hostid; /* scsi target of host */ 51 u_long nbytes; /* size of disk blocks */ 52 u_long flags; 53 u_long badbhead; /* linked list of badblocks */ 54 u_long partbhead; /* linked list of partblocks */ 55 u_long fsbhead; /* " " of fsblocks */ 56 u_long driveinit; 57 u_long resv1[6]; /* RDBNULL */ 58 u_long ncylinders; /* number of cylinders on drive */ 59 u_long nsectors; /* number of sectors per track */ 60 u_long nheads; /* number of tracks per cylinder */ 61 u_long interleave; 62 u_long park; /* only used with st506 i.e. not */ 63 u_long resv2[3]; 64 u_long wprecomp; /* start cyl for write precomp */ 65 u_long reducedwrite; /* start cyl for reduced write current */ 66 u_long steprate; /* driver step rate in ?s */ 67 u_long resv3[5]; 68 u_long rdblowb; /* lowblock of range for rdb's */ 69 u_long rdbhighb; /* high block of range for rdb's */ 70 u_long lowcyl; /* low cylinder of partition area */ 71 u_long highcyl; /* upper cylinder of partition area */ 72 u_long secpercyl; /* number of sectors per cylinder */ 73 u_long parkseconds; /* zero if no park needed */ 74 u_long resv4[2]; 75 char diskvendor[8]; /* inquiry stuff */ 76 char diskproduct[16]; /* inquiry stuff */ 77 char diskrevision[4]; /* inquiry stuff */ 78 char contvendor[8]; /* inquiry stuff */ 79 char contproduct[16]; /* inquiry stuff */ 80 char contrevision[4]; /* inquiry stuff */ 81 #if never_use_secsize 82 u_long resv5[0]; 83 #endif 84 }; 85 86 87 #define RDBF_LAST 0x1 /* last drive available */ 88 #define RDBF_LASTLUN 0x2 /* last LUN available */ 89 #define RDBF_LASTUNIT 0x4 /* last target available */ 90 #define RDBF_NORESELECT 0x8 /* do not use reselect */ 91 #define RDBF_DISKID 0x10 /* disk id is valid ?? */ 92 #define RDBF_CTRLID 0x20 /* ctrl id is valid ?? */ 93 #define RDBF_SYNC 0x40 /* drive supports SCSI synchronous mode */ 94 95 struct ados_environ { 96 u_long tabsize; /* 0: environ table size */ 97 u_long sizeblock; /* 1: n long words in a block */ 98 u_long secorg; /* 2: not used must be zero */ 99 u_long numheads; /* 3: number of surfaces */ 100 u_long secperblk; /* 4: must be 1 */ 101 u_long secpertrk; /* 5: blocks per track */ 102 u_long resvblocks; /* 6: reserved blocks at start */ 103 u_long prefac; /* 7: must be 0 */ 104 u_long interleave; /* 8: normally 1 */ 105 u_long lowcyl; /* 9: low cylinder of partition */ 106 u_long highcyl; /* 10: upper cylinder of partition */ 107 u_long numbufs; /* 11: ados: number of buffers */ 108 u_long membuftype; /* 12: ados: type of bufmem */ 109 u_long maxtrans; /* 13: maxtrans the ctrlr supports */ 110 u_long mask; /* 14: mask for valid address */ 111 u_long bootpri; /* 15: boot priority for autoboot */ 112 u_long dostype; /* 16: filesystem type */ 113 u_long baud; /* 17: serial handler baud rate */ 114 u_long control; /* 18: control word for fs */ 115 u_long bootblocks; /* 19: blocks containing boot code */ 116 u_long fsize; /* 20: file system block size */ 117 u_long frag; /* 21: allowable frags per block */ 118 u_long cpg; /* 22: cylinders per group */ 119 }; 120 121 struct partblock { 122 u_long id; /* 'PART' */ 123 u_long nsumlong; /* number of longs in check sum */ 124 u_long chksum; /* simple additive with wrap checksum */ 125 u_long hostid; /* scsi target of host */ 126 u_long next; /* next in chain */ 127 u_long flags; /* see below */ 128 u_long resv1[3]; 129 u_char partname[32]; /* (BCPL) part name (may not be unique) */ 130 u_long resv2[15]; 131 struct ados_environ e; 132 #if never_use_secsize 133 u_long extra[9]; /* 8 for extra added to environ */ 134 #endif 135 }; 136 137 #define PBF_BOOTABLE 0x1 /* partition is bootable */ 138 #define PBF_NOMOUNT 0x2 /* partition should be mounted */ 139 140 struct badblock { 141 u_long id; /* 'BADB' */ 142 u_long nsumlong; /* number of longs in check sum */ 143 u_long chksum; /* simple additive with wrap checksum */ 144 u_long hostid; /* scsi target of host */ 145 u_long next; /* next in chain */ 146 u_long resv; 147 struct badblockent { 148 u_long badblock; 149 u_long goodblock; 150 } badtab[0]; /* 61 for secsize == 512 */ 151 }; 152 153 struct fsblock { 154 u_long id; /* 'FSHD' */ 155 u_long nsumlong; /* number of longs in check sum */ 156 u_long chksum; /* simple additive with wrap checksum */ 157 u_long hostid; /* scsi target of host */ 158 u_long next; /* next in chain */ 159 u_long flags; 160 u_long resv1[2]; 161 u_long dostype; /* this is a file system for this type */ 162 u_long version; /* version of this fs */ 163 u_long patchflags; /* describes which functions to replace */ 164 u_long type; /* zero */ 165 u_long task; /* zero */ 166 u_long lock; /* zero */ 167 u_long handler; /* zero */ 168 u_long stacksize; /* to use when loading handler */ 169 u_long priority; /* to run the fs at. */ 170 u_long startup; /* zero */ 171 u_long lsegblocks; /* linked list of lsegblocks of fs code */ 172 u_long globalvec; /* bcpl vector not used mostly */ 173 #if never_use_secsize 174 u_long resv2[44]; 175 #endif 176 }; 177 178 struct lsegblock { 179 u_long id; /* 'LSEG' */ 180 u_long nsumlong; /* number of longs in check sum */ 181 u_long chksum; /* simple additive with wrap checksum */ 182 u_long hostid; /* scsi target of host */ 183 u_long next; /* next in chain */ 184 u_long loaddata[0]; /* load segment data, 123 for secsize == 512 */ 185 }; 186 187 #define RDBLOCK_ID 0x5244534b /* 'RDSK' */ 188 #define PARTBLOCK_ID 0x50415254 /* 'PART' */ 189 #define BADBLOCK_ID 0x42414442 /* 'BADB' */ 190 #define FSBLOCK_ID 0x46534844 /* 'FSHD' */ 191 #define LSEGBLOCK_ID 0x4c534547 /* 'LSEG' */ 192 193 /* 194 * Dos types for identifying file systems 195 * bsd file systems will be 'N','B',x,y where y is the fstype found in 196 * disklabel.h (for DOST_DOS it will be the version number) 197 */ 198 #define DOST_XXXBSD 0x42534400 /* Old type back compat*/ 199 #define DOST_NBR 0x4e425200 /* 'NBRx' NetBSD root partition */ 200 #define DOST_NBS 0x4e425300 /* 'NBS0' NetBSD swap partition */ 201 #define DOST_NBU 0x4e425500 /* 'NBUx' NetBSD user partition */ 202 #define DOST_DOS 0x444f5300 /* 'DOSx' AmigaDos partition */ 203 #define DOST_AMIX 0x554e4900 /* 'UNIx' AmigaDos partition */ 204 #define DOST_MUFS 0x6d754600 /* 'muFx' AmigaDos partition (muFS) */ 205 #define DOST_EXT2 0x4c4e5800 /* 'LNX0' Linux fs partition (ext2fs) */ 206 #define DOST_LNXSWP 0x53575000 /* 'SWP0' Linux swap partition */ 207 #define DOST_RAID 0x52414900 /* 'RAID' Raidframe partition */ 208 209 struct adostype { 210 u_char archtype; /* see ADT_xxx below */ 211 u_char fstype; /* byte 3 from amiga dostype */ 212 }; 213 214 /* archtypes */ 215 #define ADT_UNKNOWN 0 216 #define ADT_AMIGADOS 1 217 #define ADT_NETBSDROOT 2 218 #define ADT_NETBSDSWAP 3 219 #define ADT_NETBSDUSER 4 220 #define ADT_AMIX 5 221 #define ADT_EXT2 6 222 #define ADT_RAID 7 223 224 #define ISFSARCH_NETBSD(adt) \ 225 ((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER) 226 227 #endif /* _SYS_DISKLABEL_RDB_H_ */ 228
Indexes created Tue Sep 23 14:10:03 GMT 2025