LCOM1920-T02G10

/*        $NetBSD: disklabel_rdb.h,v 1.2 2010/06/19 08:45:25 kiyohara 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 */

#define DOST_MSD        0x4d534400        /* 'MSDx' MSDOS partition */

#define DOST_SFS        0x53465300        /* 'SFSx' Smart fs 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 ADT_MSD                8

#define ADT_SFS                9

#define ISFSARCH_NETBSD(adt) \

        ((adt).archtype >= ADT_NETBSDROOT && (adt).archtype <= ADT_NETBSDUSER)

#endif /* _SYS_DISKLABEL_RDB_H_ */