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/* $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_ */
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