root / lab4 / .minix-src / include / sys / disklabel_rdb.h @ 13
History | View | Annotate | Download (8.59 KB)
| 1 |
/* $NetBSD: disklabel_rdb.h,v 1.2 2010/06/19 08:45:25 kiyohara 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 |
#define DOST_MSD 0x4d534400 /* 'MSDx' MSDOS partition */ |
| 209 |
#define DOST_SFS 0x53465300 /* 'SFSx' Smart fs partition */ |
| 210 |
|
| 211 |
struct adostype {
|
| 212 |
u_char archtype; /* see ADT_xxx below */
|
| 213 |
u_char fstype; /* byte 3 from amiga dostype */
|
| 214 |
}; |
| 215 |
|
| 216 |
/* archtypes */
|
| 217 |
#define ADT_UNKNOWN 0 |
| 218 |
#define ADT_AMIGADOS 1 |
| 219 |
#define ADT_NETBSDROOT 2 |
| 220 |
#define ADT_NETBSDSWAP 3 |
| 221 |
#define ADT_NETBSDUSER 4 |
| 222 |
#define ADT_AMIX 5 |
| 223 |
#define ADT_EXT2 6 |
| 224 |
#define ADT_RAID 7 |
| 225 |
#define ADT_MSD 8 |
| 226 |
#define ADT_SFS 9 |
| 227 |
|
| 228 |
#define ISFSARCH_NETBSD(adt) \
|
| 229 |
((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER) |
| 230 |
|
| 231 |
#endif /* _SYS_DISKLABEL_RDB_H_ */ |