diff --git a/sys/sys/disklabel_rdb.h b/sys/sys/disklabel_rdb.h new file mode 100644 index 000000000000..252a312d16b0 --- /dev/null +++ b/sys/sys/disklabel_rdb.h @@ -0,0 +1,227 @@ +/* $NetBSD: disklabel_rdb.h,v 1.1 2009/09/12 08:23:25 phx 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_ + +/* + * describes ados Rigid Disk Blocks + * which are used to partition a drive + */ +#define RDBNULL ((u_long)0xffffffff) + +/* + * you will find rdblock somewhere in [0, RDBMAXBLOCKS) + */ +#define RDB_MAXBLOCKS 16 + +struct rdblock { + u_long id; /* 'RDSK' */ + u_long nsumlong; /* number of longs in check sum */ + u_long chksum; /* simple additive with wrap checksum */ + u_long hostid; /* scsi target of host */ + u_long nbytes; /* size of disk blocks */ + u_long flags; + u_long badbhead; /* linked list of badblocks */ + u_long partbhead; /* linked list of partblocks */ + u_long fsbhead; /* " " of fsblocks */ + u_long driveinit; + u_long resv1[6]; /* RDBNULL */ + u_long ncylinders; /* number of cylinders on drive */ + u_long nsectors; /* number of sectors per track */ + u_long nheads; /* number of tracks per cylinder */ + u_long interleave; + u_long park; /* only used with st506 i.e. not */ + u_long resv2[3]; + u_long wprecomp; /* start cyl for write precomp */ + u_long reducedwrite; /* start cyl for reduced write current */ + u_long steprate; /* driver step rate in ?s */ + u_long resv3[5]; + u_long rdblowb; /* lowblock of range for rdb's */ + u_long rdbhighb; /* high block of range for rdb's */ + u_long lowcyl; /* low cylinder of partition area */ + u_long highcyl; /* upper cylinder of partition area */ + u_long secpercyl; /* number of sectors per cylinder */ + u_long parkseconds; /* zero if no park needed */ + u_long 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 + u_long 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 { + u_long tabsize; /* 0: environ table size */ + u_long sizeblock; /* 1: n long words in a block */ + u_long secorg; /* 2: not used must be zero */ + u_long numheads; /* 3: number of surfaces */ + u_long secperblk; /* 4: must be 1 */ + u_long secpertrk; /* 5: blocks per track */ + u_long resvblocks; /* 6: reserved blocks at start */ + u_long prefac; /* 7: must be 0 */ + u_long interleave; /* 8: normally 1 */ + u_long lowcyl; /* 9: low cylinder of partition */ + u_long highcyl; /* 10: upper cylinder of partition */ + u_long numbufs; /* 11: ados: number of buffers */ + u_long membuftype; /* 12: ados: type of bufmem */ + u_long maxtrans; /* 13: maxtrans the ctrlr supports */ + u_long mask; /* 14: mask for valid address */ + u_long bootpri; /* 15: boot priority for autoboot */ + u_long dostype; /* 16: filesystem type */ + u_long baud; /* 17: serial handler baud rate */ + u_long control; /* 18: control word for fs */ + u_long bootblocks; /* 19: blocks containing boot code */ + u_long fsize; /* 20: file system block size */ + u_long frag; /* 21: allowable frags per block */ + u_long cpg; /* 22: cylinders per group */ +}; + +struct partblock { + u_long id; /* 'PART' */ + u_long nsumlong; /* number of longs in check sum */ + u_long chksum; /* simple additive with wrap checksum */ + u_long hostid; /* scsi target of host */ + u_long next; /* next in chain */ + u_long flags; /* see below */ + u_long resv1[3]; + u_char partname[32]; /* (BCPL) part name (may not be unique) */ + u_long resv2[15]; + struct ados_environ e; +#if never_use_secsize + u_long 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 { + u_long id; /* 'BADB' */ + u_long nsumlong; /* number of longs in check sum */ + u_long chksum; /* simple additive with wrap checksum */ + u_long hostid; /* scsi target of host */ + u_long next; /* next in chain */ + u_long resv; + struct badblockent { + u_long badblock; + u_long goodblock; + } badtab[0]; /* 61 for secsize == 512 */ +}; + +struct fsblock { + u_long id; /* 'FSHD' */ + u_long nsumlong; /* number of longs in check sum */ + u_long chksum; /* simple additive with wrap checksum */ + u_long hostid; /* scsi target of host */ + u_long next; /* next in chain */ + u_long flags; + u_long resv1[2]; + u_long dostype; /* this is a file system for this type */ + u_long version; /* version of this fs */ + u_long patchflags; /* describes which functions to replace */ + u_long type; /* zero */ + u_long task; /* zero */ + u_long lock; /* zero */ + u_long handler; /* zero */ + u_long stacksize; /* to use when loading handler */ + u_long priority; /* to run the fs at. */ + u_long startup; /* zero */ + u_long lsegblocks; /* linked list of lsegblocks of fs code */ + u_long globalvec; /* bcpl vector not used mostly */ +#if never_use_secsize + u_long resv2[44]; +#endif +}; + +struct lsegblock { + u_long id; /* 'LSEG' */ + u_long nsumlong; /* number of longs in check sum */ + u_long chksum; /* simple additive with wrap checksum */ + u_long hostid; /* scsi target of host */ + u_long next; /* next in chain */ + u_long 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 */ + +struct adostype { + u_char archtype; /* see ADT_xxx below */ + u_char 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 ISFSARCH_NETBSD(adt) \ + ((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER) + +#endif /* _SYS_DISKLABEL_RDB_H_ */