include/asm-m68k/amigardb.h

/* */
   1 #ifndef _LINUX_AMIGARDB_H
   2 #define _LINUX_AMIGARDB_H 1
   3 
   4 #define ULONG   u_long
   5 #define LONG    long
   6 #define UBYTE   u_char
   7 
   8 /* definitions for the Amiga RigidDiskBlock layout, which always starts in 
   9    cylinder 0 of a medium. Taken from page 254f of the RKM: Devices */
  10 
  11 struct RigidDiskBlock {
  12     ULONG   rdb_ID;             /* 4 character identifier */
  13     ULONG   rdb_SummedLongs;    /* size of this checksummed structure */
  14     LONG    rdb_ChkSum;         /* block checksum (longword sum to zero) */
  15     ULONG   rdb_HostID;         /* SCSI Target ID of host */
  16     ULONG   rdb_BlockBytes;     /* size of disk blocks */
  17     ULONG   rdb_Flags;          /* see below for defines */
  18     /* block list heads */
  19     ULONG   rdb_BadBlockList;   /* optional bad block list */
  20     ULONG   rdb_PartitionList;  /* optional first partition block */
  21     ULONG   rdb_FileSysHeaderList; /* optional file system header block */
  22     ULONG   rdb_DriveInit;      /* optional drive-specific init code */
  23                                 /* DriveInit(lun,rdb,ior): "C" stk & d0/a0/a1 */
  24     ULONG   rdb_Reserved1[6];   /* set to $ffffffff */
  25     /* physical drive characteristics */
  26     ULONG   rdb_Cylinders;      /* number of drive cylinders */
  27     ULONG   rdb_Sectors;        /* sectors per track */
  28     ULONG   rdb_Heads;          /* number of drive heads */
  29     ULONG   rdb_Interleave;     /* interleave */
  30     ULONG   rdb_Park;           /* landing zone cylinder */
  31     ULONG   rdb_Reserved2[3];
  32     ULONG   rdb_WritePreComp;   /* starting cylinder: write precompensation */
  33     ULONG   rdb_ReducedWrite;   /* starting cylinder: reduced write current */
  34     ULONG   rdb_StepRate;       /* drive step rate */
  35     ULONG   rdb_Reserved3[5];
  36     /* logical drive characteristics */
  37     ULONG   rdb_RDBBlocksLo;    /* low block of range reserved for hardblocks */
  38     ULONG   rdb_RDBBlocksHi;    /* high block of range for these hardblocks */
  39     ULONG   rdb_LoCylinder;     /* low cylinder of partitionable disk area */
  40     ULONG   rdb_HiCylinder;     /* high cylinder of partitionable data area */
  41     ULONG   rdb_CylBlocks;      /* number of blocks available per cylinder */
  42     ULONG   rdb_AutoParkSeconds; /* zero for no auto park */
  43     ULONG   rdb_HighRDSKBlock;  /* highest block used by RDSK */
  44                                 /* (not including replacement bad blocks) */
  45     ULONG   rdb_Reserved4;
  46     /* drive identification */
  47     char    rdb_DiskVendor[8];
  48     char    rdb_DiskProduct[16];
  49     char    rdb_DiskRevision[4];
  50     char    rdb_ControllerVendor[8];
  51     char    rdb_ControllerProduct[16];
  52     char    rdb_ControllerRevision[4];
  53     ULONG   rdb_Reserved5[10];
  54 };
  55 
  56 #define IDNAME_RIGIDDISK        0x5244534B      /* 'RDSK' */
  57 
  58 #define RDB_LOCATION_LIMIT      16
  59 
  60 #define RDBFB_LAST      0       /* no disks exist to be configured after */
  61 #define RDBFF_LAST      0x01L   /*   this one on this controller */
  62 #define RDBFB_LASTLUN   1       /* no LUNs exist to be configured greater */
  63 #define RDBFF_LASTLUN   0x02L   /*   than this one at this SCSI Target ID */
  64 #define RDBFB_LASTTID   2       /* no Target IDs exist to be configured */
  65 #define RDBFF_LASTTID   0x04L   /*   greater than this one on this SCSI bus */
  66 #define RDBFB_NORESELECT 3      /* don't bother trying to perform reselection */
  67 #define RDBFF_NORESELECT 0x08L  /*   when talking to this drive */
  68 #define RDBFB_DISKID    4       /* rdb_Disk... identification valid */
  69 #define RDBFF_DISKID    0x10L
  70 #define RDBFB_CTRLRID   5       /* rdb_Controller... identification valid */
  71 #define RDBFF_CTRLRID   0x20L
  72                                 /* added 7/20/89 by commodore: */
  73 #define RDBFB_SYNCH     6       /* drive supports scsi synchronous mode */
  74 #define RDBFF_SYNCH     0x40L   /* CAN BE DANGEROUS TO USE IF IT DOESN'T! */
  75 
  76 struct PartitionBlock {
  77     ULONG   pb_ID;              /* 4 character identifier */
  78     ULONG   pb_SummedLongs;     /* size of this checksummed structure */
  79     LONG    pb_ChkSum;          /* block checksum (longword sum to zero) */
  80     ULONG   pb_HostID;          /* SCSI Target ID of host */
  81     ULONG   pb_Next;            /* block number of the next PartitionBlock */
  82     ULONG   pb_Flags;           /* see below for defines */
  83     ULONG   pb_Reserved1[2];
  84     ULONG   pb_DevFlags;        /* preferred flags for OpenDevice */
  85     UBYTE   pb_DriveName[32];   /* preferred DOS device name: BSTR form */
  86                                 /* (not used if this name is in use) */
  87     ULONG   pb_Reserved2[15];   /* filler to 32 longwords */
  88     ULONG   pb_Environment[17]; /* environment vector for this partition */
  89     ULONG   pb_EReserved[15];   /* reserved for future environment vector */
  90 };
  91 
  92 #define IDNAME_PARTITION        0x50415254      /* 'PART' */
  93 
  94 #define PBFB_BOOTABLE   0       /* this partition is intended to be bootable */
  95 #define PBFF_BOOTABLE   1L      /*   (expected directories and files exist) */
  96 #define PBFB_NOMOUNT    1       /* do not mount this partition (e.g. manually */
  97 #define PBFF_NOMOUNT    2L      /*   mounted, but space reserved here) */
  98 
  99 /* this is from <dos/filehandler.h> */
 100 
 101 #define DE_TABLESIZE    0       /* minimum value is 11 (includes NumBuffers) */
 102 #define DE_SIZEBLOCK    1       /* in longwords: standard value is 128 */
 103 #define DE_SECORG       2       /* not used; must be 0 */
 104 #define DE_NUMHEADS     3       /* # of heads (surfaces). drive specific */
 105 #define DE_SECSPERBLK   4       /* not used; must be 1 */
 106 #define DE_BLKSPERTRACK 5       /* blocks per track. drive specific */
 107 #define DE_RESERVEDBLKS 6       /* unavailable blocks at start.  usually 2 */
 108 #define DE_PREFAC       7       /* not used; must be 0 */
 109 #define DE_INTERLEAVE   8       /* usually 0 */
 110 #define DE_LOWCYL       9       /* starting cylinder. typically 0 */
 111 #define DE_UPPERCYL     10      /* max cylinder.  drive specific */
 112 #define DE_NUMBUFFERS   11      /* starting # of buffers.  typically 5 */
 113 #define DE_MEMBUFTYPE   12      /* type of mem to allocate for buffers. */
 114 #define DE_BUFMEMTYPE   12      /* same as above, better name
 115                                  * 1 is public, 3 is chip, 5 is fast */
 116 #define DE_MAXTRANSFER  13      /* Max number bytes to transfer at a time */
 117 #define DE_MASK         14      /* Address Mask to block out certain memory */
 118 #define DE_BOOTPRI      15      /* Boot priority for autoboot */
 119 #define DE_DOSTYPE      16      /* ASCII (HEX) string showing filesystem type;
 120                                  * 0X444F5300 is old filesystem,
 121                                  * 0X444F5301 is fast file system */
 122 #define DE_BAUD         17      /* Baud rate for serial handler */
 123 #define DE_CONTROL      18      /* Control word for handler/filesystem */
 124 #define DE_BOOTBLOCKS   19      /* Number of blocks containing boot code */
 125 
 126 #endif /* _LINUX_AMIGARDB_H */
/* */
root/include/asm-m68k/amigardb.h

INCLUDED FROM
