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#ifndef _LINUX_AMIGARDB_H

#define _LINUX_AMIGARDB_H 1

#define ULONG   u_long

#define LONG    long

#define UBYTE   u_char

/* definitions for the Amiga RigidDiskBlock layout, which always starts in

   cylinder 0 of a medium. Taken from page 254f of the RKM: Devices */

struct RigidDiskBlock {

    ULONG   rdb_ID;             /* 4 character identifier */

    ULONG   rdb_SummedLongs;    /* size of this checksummed structure */

    LONG    rdb_ChkSum;         /* block checksum (longword sum to zero) */

    ULONG   rdb_HostID;         /* SCSI Target ID of host */

    ULONG   rdb_BlockBytes;     /* size of disk blocks */

    ULONG   rdb_Flags;          /* see below for defines */

    /* block list heads */

    ULONG   rdb_BadBlockList;   /* optional bad block list */

    ULONG   rdb_PartitionList;  /* optional first partition block */

    ULONG   rdb_FileSysHeaderList; /* optional file system header block */

    ULONG   rdb_DriveInit;      /* optional drive-specific init code */

                                /* DriveInit(lun,rdb,ior): "C" stk & d0/a0/a1 */

    ULONG   rdb_Reserved1[6];   /* set to $ffffffff */

    /* physical drive characteristics */

    ULONG   rdb_Cylinders;      /* number of drive cylinders */

    ULONG   rdb_Sectors;        /* sectors per track */

    ULONG   rdb_Heads;          /* number of drive heads */

    ULONG   rdb_Interleave;     /* interleave */

    ULONG   rdb_Park;           /* landing zone cylinder */

    ULONG   rdb_Reserved2[3];

    ULONG   rdb_WritePreComp;   /* starting cylinder: write precompensation */

    ULONG   rdb_ReducedWrite;   /* starting cylinder: reduced write current */

    ULONG   rdb_StepRate;       /* drive step rate */

    ULONG   rdb_Reserved3[5];

    /* logical drive characteristics */

    ULONG   rdb_RDBBlocksLo;    /* low block of range reserved for hardblocks */

    ULONG   rdb_RDBBlocksHi;    /* high block of range for these hardblocks */

    ULONG   rdb_LoCylinder;     /* low cylinder of partitionable disk area */

    ULONG   rdb_HiCylinder;     /* high cylinder of partitionable data area */

    ULONG   rdb_CylBlocks;      /* number of blocks available per cylinder */

    ULONG   rdb_AutoParkSeconds; /* zero for no auto park */

    ULONG   rdb_HighRDSKBlock;  /* highest block used by RDSK */

                                /* (not including replacement bad blocks) */

    ULONG   rdb_Reserved4;

    /* drive identification */

    char    rdb_DiskVendor[8];

    char    rdb_DiskProduct[16];

    char    rdb_DiskRevision[4];

    char    rdb_ControllerVendor[8];

    char    rdb_ControllerProduct[16];

    char    rdb_ControllerRevision[4];

    ULONG   rdb_Reserved5[10];

};

#define IDNAME_RIGIDDISK        0x5244534B      /* 'RDSK' */

#define RDB_LOCATION_LIMIT      16

#define RDBFB_LAST      0        /* no disks exist to be configured after */

#define RDBFF_LAST      0x01L   /*   this one on this controller */

#define RDBFB_LASTLUN   1       /* no LUNs exist to be configured greater */

#define RDBFF_LASTLUN   0x02L   /*   than this one at this SCSI Target ID */

#define RDBFB_LASTTID   2       /* no Target IDs exist to be configured */

#define RDBFF_LASTTID   0x04L   /*   greater than this one on this SCSI bus */

#define RDBFB_NORESELECT 3      /* don't bother trying to perform reselection */

#define RDBFF_NORESELECT 0x08L  /*   when talking to this drive */

#define RDBFB_DISKID    4       /* rdb_Disk... identification valid */

#define RDBFF_DISKID    0x10L

#define RDBFB_CTRLRID   5       /* rdb_Controller... identification valid */

#define RDBFF_CTRLRID   0x20L

                                /* added 7/20/89 by commodore: */

#define RDBFB_SYNCH     6       /* drive supports scsi synchronous mode */

#define RDBFF_SYNCH     0x40L   /* CAN BE DANGEROUS TO USE IF IT DOESN'T! */

struct PartitionBlock {

    ULONG   pb_ID;              /* 4 character identifier */

    ULONG   pb_SummedLongs;     /* size of this checksummed structure */

    LONG    pb_ChkSum;          /* block checksum (longword sum to zero) */

    ULONG   pb_HostID;          /* SCSI Target ID of host */

    ULONG   pb_Next;            /* block number of the next PartitionBlock */

    ULONG   pb_Flags;           /* see below for defines */

    ULONG   pb_Reserved1[2];

    ULONG   pb_DevFlags;        /* preferred flags for OpenDevice */

    UBYTE   pb_DriveName[32];   /* preferred DOS device name: BSTR form */

                                /* (not used if this name is in use) */

    ULONG   pb_Reserved2[15];   /* filler to 32 longwords */

    ULONG   pb_Environment[17]; /* environment vector for this partition */

    ULONG   pb_EReserved[15];   /* reserved for future environment vector */

};

#define IDNAME_PARTITION        0x50415254      /* 'PART' */

#define PBFB_BOOTABLE   0        /* this partition is intended to be bootable */

#define PBFF_BOOTABLE   1L      /*   (expected directories and files exist) */

#define PBFB_NOMOUNT    1       /* do not mount this partition (e.g. manually */

#define PBFF_NOMOUNT    2L      /*   mounted, but space reserved here) */

/* this is from <dos/filehandler.h> */

#define DE_TABLESIZE    0        /* minimum value is 11 (includes NumBuffers) */

#define DE_SIZEBLOCK    1       /* in longwords: standard value is 128 */

#define DE_SECORG       2       /* not used; must be 0 */

#define DE_NUMHEADS     3       /* # of heads (surfaces). drive specific */

#define DE_SECSPERBLK   4       /* not used; must be 1 */

#define DE_BLKSPERTRACK 5       /* blocks per track. drive specific */

#define DE_RESERVEDBLKS 6       /* unavailable blocks at start.  usually 2 */

#define DE_PREFAC       7       /* not used; must be 0 */

#define DE_INTERLEAVE   8       /* usually 0 */

#define DE_LOWCYL       9       /* starting cylinder. typically 0 */

#define DE_UPPERCYL     10      /* max cylinder.  drive specific */

#define DE_NUMBUFFERS   11      /* starting # of buffers.  typically 5 */

#define DE_MEMBUFTYPE   12      /* type of mem to allocate for buffers. */

#define DE_BUFMEMTYPE   12      /* same as above, better name

                                 * 1 is public, 3 is chip, 5 is fast */

#define DE_MAXTRANSFER  13      /* Max number bytes to transfer at a time */

#define DE_MASK         14      /* Address Mask to block out certain memory */

#define DE_BOOTPRI      15      /* Boot priority for autoboot */

#define DE_DOSTYPE      16      /* ASCII (HEX) string showing filesystem type;

                                 * 0X444F5300 is old filesystem,

                                 * 0X444F5301 is fast file system */

#define DE_BAUD         17      /* Baud rate for serial handler */

#define DE_CONTROL      18      /* Control word for handler/filesystem */

#define DE_BOOTBLOCKS   19      /* Number of blocks containing boot code */

#endif /* _LINUX_AMIGARDB_H */