FreeBSD/Linux Kernel Cross Reference
sys/sys/disklabel_rdb.h

     /*      $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_ */

Cache object: 5d4ffc3c987b8cdcc00ab6c2ce392a72