/* $NetBSD: disklabel_rdb.h,v 1.5 2021/02/20 09:51:20 rin Exp $ */ /* * Copyright (c) 1994 Christian E. Hopps * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christian E. Hopps. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SYS_DISKLABEL_RDB_H_ #define _SYS_DISKLABEL_RDB_H_ #include <sys/types.h> /* * describes ados Rigid Disk Blocks * which are used to partition a drive */ #define RDBNULL ((uint32_t)0xffffffff) /* * you will find rdblock somewhere in [0, RDBMAXBLOCKS) */ #define RDB_MAXBLOCKS 16 struct rdblock { uint32_t id; /* 'RDSK' */ uint32_t nsumlong; /* number of long words in check sum */ uint32_t chksum; /* simple additive with wrap checksum */ uint32_t hostid; /* scsi target of host */ uint32_t nbytes; /* size of disk blocks */ uint32_t flags; uint32_t badbhead; /* linked list of badblocks */ uint32_t partbhead; /* linked list of partblocks */ uint32_t fsbhead; /* " " of fsblocks */ uint32_t driveinit; uint32_t resv1[6]; /* RDBNULL */ uint32_t ncylinders; /* number of cylinders on drive */ uint32_t nsectors; /* number of sectors per track */ uint32_t nheads; /* number of tracks per cylinder */ uint32_t interleave; uint32_t park; /* only used with st506 i.e. not */ uint32_t resv2[3]; uint32_t wprecomp; /* start cyl for write precomp */ uint32_t reducedwrite; /* start cyl for reduced write current */ uint32_t steprate; /* driver step rate in ?s */ uint32_t resv3[5]; uint32_t rdblowb; /* lowblock of range for rdb's */ uint32_t rdbhighb; /* high block of range for rdb's */ uint32_t lowcyl; /* low cylinder of partition area */ uint32_t highcyl; /* upper cylinder of partition area */ uint32_t secpercyl; /* number of sectors per cylinder */ uint32_t parkseconds; /* zero if no park needed */ uint32_t resv4[2]; char diskvendor[8]; /* inquiry stuff */ char diskproduct[16]; /* inquiry stuff */ char diskrevision[4]; /* inquiry stuff */ char contvendor[8]; /* inquiry stuff */ char contproduct[16]; /* inquiry stuff */ char contrevision[4]; /* inquiry stuff */ #if never_use_secsize uint32_t resv5[0]; #endif }; #define RDBF_LAST 0x1 /* last drive available */ #define RDBF_LASTLUN 0x2 /* last LUN available */ #define RDBF_LASTUNIT 0x4 /* last target available */ #define RDBF_NORESELECT 0x8 /* do not use reselect */ #define RDBF_DISKID 0x10 /* disk id is valid ?? */ #define RDBF_CTRLID 0x20 /* ctrl id is valid ?? */ #define RDBF_SYNC 0x40 /* drive supports SCSI synchronous mode */ struct ados_environ { uint32_t tabsize; /* 0: environ table size */ uint32_t sizeblock; /* 1: n long words in a block */ uint32_t secorg; /* 2: not used must be zero */ uint32_t numheads; /* 3: number of surfaces */ uint32_t secperblk; /* 4: must be 1 */ uint32_t secpertrk; /* 5: blocks per track */ uint32_t resvblocks; /* 6: reserved blocks at start */ uint32_t prefac; /* 7: must be 0 */ uint32_t interleave; /* 8: normally 1 */ uint32_t lowcyl; /* 9: low cylinder of partition */ uint32_t highcyl; /* 10: upper cylinder of partition */ uint32_t numbufs; /* 11: ados: number of buffers */ uint32_t membuftype; /* 12: ados: type of bufmem */ uint32_t maxtrans; /* 13: maxtrans the ctrlr supports */ uint32_t mask; /* 14: mask for valid address */ uint32_t bootpri; /* 15: boot priority for autoboot */ uint32_t dostype; /* 16: filesystem type */ uint32_t baud; /* 17: serial handler baud rate */ uint32_t control; /* 18: control word for fs */ uint32_t bootblocks; /* 19: blocks containing boot code */ uint32_t fsize; /* 20: file system block size */ uint32_t frag; /* 21: allowable frags per block */ uint32_t cpg; /* 22: cylinders per group */ }; struct partblock { uint32_t id; /* 'PART' */ uint32_t nsumlong; /* number of long words in check sum */ uint32_t chksum; /* simple additive with wrap checksum */ uint32_t hostid; /* scsi target of host */ uint32_t next; /* next in chain */ uint32_t flags; /* see below */ uint32_t resv1[3]; unsigned char partname[32]; /* (BCPL) part name (may not be unique) */ uint32_t resv2[15]; struct ados_environ e; #if never_use_secsize uint32_t extra[9]; /* 8 for extra added to environ */ #endif }; #define PBF_BOOTABLE 0x1 /* partition is bootable */ #define PBF_NOMOUNT 0x2 /* partition should be mounted */ struct badblock { uint32_t id; /* 'BADB' */ uint32_t nsumlong; /* number of long words in check sum */ uint32_t chksum; /* simple additive with wrap checksum */ uint32_t hostid; /* scsi target of host */ uint32_t next; /* next in chain */ uint32_t resv; struct badblockent { uint32_t badblock; uint32_t goodblock; } badtab[0]; /* 61 for secsize == 512 */ }; struct fsblock { uint32_t id; /* 'FSHD' */ uint32_t nsumlong; /* number of long words in check sum */ uint32_t chksum; /* simple additive with wrap checksum */ uint32_t hostid; /* scsi target of host */ uint32_t next; /* next in chain */ uint32_t flags; uint32_t resv1[2]; uint32_t dostype; /* this is a file system for this type */ uint32_t version; /* version of this fs */ uint32_t patchflags; /* describes which functions to replace */ uint32_t type; /* zero */ uint32_t task; /* zero */ uint32_t lock; /* zero */ uint32_t handler; /* zero */ uint32_t stacksize; /* to use when loading handler */ uint32_t priority; /* to run the fs at. */ uint32_t startup; /* zero */ uint32_t lsegblocks; /* linked list of lsegblocks of fs code */ uint32_t globalvec; /* bcpl vector not used mostly */ #if never_use_secsize uint32_t resv2[44]; #endif }; struct lsegblock { uint32_t id; /* 'LSEG' */ uint32_t nsumlong; /* number of long words in check sum */ uint32_t chksum; /* simple additive with wrap checksum */ uint32_t hostid; /* scsi target of host */ uint32_t next; /* next in chain */ uint32_t loaddata[0]; /* load segment data, 123 for secsize == 512 */ }; #define RDBLOCK_ID 0x5244534b /* 'RDSK' */ #define PARTBLOCK_ID 0x50415254 /* 'PART' */ #define BADBLOCK_ID 0x42414442 /* 'BADB' */ #define FSBLOCK_ID 0x46534844 /* 'FSHD' */ #define LSEGBLOCK_ID 0x4c534547 /* 'LSEG' */ /* * Dos types for identifying file systems * bsd file systems will be 'N','B',x,y where y is the fstype found in * disklabel.h (for DOST_DOS it will be the version number) */ #define DOST_XXXBSD 0x42534400 /* Old type back compat*/ #define DOST_NBR 0x4e425200 /* 'NBRx' NetBSD root partition */ #define DOST_NBS 0x4e425300 /* 'NBS0' NetBSD swap partition */ #define DOST_NBU 0x4e425500 /* 'NBUx' NetBSD user partition */ #define DOST_DOS 0x444f5300 /* 'DOSx' AmigaDos partition */ #define DOST_AMIX 0x554e4900 /* 'UNIx' AmigaDos partition */ #define DOST_MUFS 0x6d754600 /* 'muFx' AmigaDos partition (muFS) */ #define DOST_EXT2 0x4c4e5800 /* 'LNX0' Linux fs partition (ext2fs) */ #define DOST_LNXSWP 0x53575000 /* 'SWP0' Linux swap partition */ #define DOST_RAID 0x52414900 /* 'RAID' Raidframe partition */ #define DOST_MSD 0x4d534400 /* 'MSDx' MSDOS partition */ #define DOST_SFS 0x53465300 /* 'SFSx' Smart fs partition */ struct adostype { uint8_t archtype; /* see ADT_xxx below */ uint8_t fstype; /* byte 3 from amiga dostype */ }; /* archtypes */ #define ADT_UNKNOWN 0 #define ADT_AMIGADOS 1 #define ADT_NETBSDROOT 2 #define ADT_NETBSDSWAP 3 #define ADT_NETBSDUSER 4 #define ADT_AMIX 5 #define ADT_EXT2 6 #define ADT_RAID 7 #define ADT_MSD 8 #define ADT_SFS 9 #define ISFSARCH_NETBSD(adt) \ ((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER) #endif /* _SYS_DISKLABEL_RDB_H_ */
