i386/libsaio/legacy/disk.h

   1 /*      @(#)disk.h      1.0     08/29/87        (c) 1987 NeXT   */
   2
   3 /*
   4  * HISTORY
   5  * 28-Mar-92  Doug Mitchell
   6  *      Moved disk_label struct to <bsd/dev/disk_label.h>.
   7  *
   8  * 22-May-91  Gregg Kellogg (gk) at NeXT
   9  *      Split out public interface.
  10  *
  11  * 20-Jul-90  Doug Mitchell
  12  *      Added DKIOCSFORMAT, DKIOCGFORMAT
  13  *
  14  * 16-Apr-90  Doug Mitchell at NeXT
  15  *      Added DKIOCPANELPRT.
  16  *
  17  * 25-Mar-90  John Seamons (jks) at NeXT
  18  *      Removed obsolete DKIOCNOTIFY and DKIOCINSERT.
  19  *
  20  * 23-Mar-90  Doug Mitchell
  21  *      Added DKIOCEJECT.
  22  *
  23  * 14-Feb-90  Doug Mitchell at NeXT
  24  *      Added DKIOCMNOTIFY.
  25  *
  26  * 16-Mar-88  John Seamons (jks) at NeXT
  27  *      Cleaned up to support standard disk label definitions.
  28  *
  29  * 24-Feb-88  Mike DeMoney (mike) at NeXT
  30  *      Added defines for dl_bootfile and dl_boot0_blkno.
  31  *      Reduced NBAD to allow for these entries in disktab.
  32  *
  33  * 29-Aug-87  John Seamons (jks) at NeXT
  34  *      Created.
  35  *
  36  */
  37
  38 #ifndef _BSD_DEV_DISK_
  39 #define _BSD_DEV_DISK_
  40
  41 #include <mach/machine/vm_types.h>
  42 #include <mach/machine/boolean.h>
  43 #include <sys/types.h>
  44 #include <sys/ioctl.h>
  45 #include <sys/time.h>
  46 #include <bsd/dev/disk_label.h>
  47
  48 #define DR_CMDSIZE      32
  49 #define DR_ERRSIZE      32
  50
  51 struct disk_req {
  52         int     dr_bcount;              /* byte count for data transfers */
  53         caddr_t dr_addr;                /* memory addr for data transfers */
  54         struct  timeval dr_exec_time;   /* execution time of operation */
  55
  56         /*
  57          * interpretation of cmdblk and errblk is driver specific.
  58          */
  59         char    dr_cmdblk[DR_CMDSIZE];
  60         char    dr_errblk[DR_ERRSIZE];
  61 };
  62
  63 struct sdc_wire {
  64         vm_offset_t     start, end;
  65         boolean_t       new_pageable;
  66 };
  67
  68
  69 #define BAD_BLK_OFF     4               /* offset of bad blk tbl from label */
  70 #define NBAD_BLK        (12 * 1024 / sizeof (int))
  71
  72 struct bad_block {                      /* bad block table, sized to be 12KB */
  73         int     bad_blk[NBAD_BLK];
  74 };
  75
  76 /*
  77  * sector bitmap states (2 bits per sector)
  78  */
  79 #define SB_UNTESTED     0               /* must be zero */
  80 #define SB_BAD          1
  81 #define SB_WRITTEN      2
  82 #define SB_ERASED       3
  83
  84 struct drive_info {                     /* info about drive hardware */
  85         char    di_name[MAXDNMLEN];     /* drive type name */
  86         int     di_label_blkno[NLABELS];/* label loc'ns in DEVICE SECTORS */
  87         int     di_devblklen;           /* device sector size */
  88         int     di_maxbcount;           /* max bytes per transfer request */
  89 };
  90
  91 #define DS_STATSIZE     32
  92
  93 struct  disk_stats {
  94         int     s_ecccnt;       /* avg ECC corrections per sector */
  95         int     s_maxecc;       /* max ECC corrections observed */
  96
  97         /*
  98          * interpretation of s_stats is driver specific
  99          */
 100         char    s_stats[DS_STATSIZE];
 101 };
 102
 103 struct drive_location {
 104         char    location[ 128 ];
 105 };
 106
 107 #define DKIOCGLABEL     _IOR('d', 0,struct disk_label)                  // read label
 108 #define DKIOCSLABEL     _IOW('d', 1,struct disk_label)                  // write label
 109 #define DKIOCGBITMAP    _IO('d', 2)                     // read bitmap
 110 #define DKIOCSBITMAP    _IO('d', 3)                     // write bitmap
 111 #define DKIOCREQ        _IOWR('d', 4, struct disk_req)  // cmd request
 112 #define DKIOCINFO       _IOR('d', 5, struct drive_info) // get drive info
 113 #define DKIOCZSTATS     _IO('d',7)                      // zero statistics
 114 #define DKIOCGSTATS     _IO('d', 8)                     // get statistics
 115 #define DKIOCRESET      _IO('d', 9)                     // reset disk
 116 #define DKIOCGFLAGS     _IOR('d', 11, int)              // get driver flags
 117 #define DKIOCSFLAGS     _IOW('d', 12, int)              // set driver flags
 118 #define DKIOCSDCWIRE    _IOW('d', 14, struct sdc_wire)  // sdc wire memory
 119 #define DKIOCSDCLOCK    _IO('d', 15)                    // sdc lock
 120 #define DKIOCSDCUNLOCK  _IO('d', 16)                    // sdc unlock
 121 #define DKIOCGFREEVOL   _IOR('d', 17, int)              // get free volume #
 122 #define DKIOCGBBT       _IO('d', 18)                    // read bad blk tbl
 123 #define DKIOCSBBT       _IO('d', 19)                    // write bad blk tbl
 124 #define DKIOCMNOTIFY    _IOW('d', 20, int)              // message on insert
 125 #define DKIOCEJECT      _IO('d', 21)                    // eject disk
 126 #define DKIOCPANELPRT   _IOW('d', 22, int)              // register Panel
 127                                                         // Request port
 128 #define DKIOCSFORMAT    _IOW('d', 23, int)              // set 'Formatted' flag
 129 #define DKIOCGFORMAT    _IOR('d', 23, int)              // get 'Formatted' flag
 130 #define DKIOCBLKSIZE    _IOR('d', 24, int)              // device sector size
 131 #define DKIOCNUMBLKS    _IOR('d', 25, int)              // number of sectors
 132 #define DKIOCCHECKINSERT _IO('d',26)            // manually poll removable
 133                                                 // media drive
 134 #define DKIOCCANCELAUTOMOUNT _IOW('d',27, dev_t)        // cancel automount request
 135 #define DKIOCGLOCATION  _IOR('d',28, struct drive_location)     // arch dependent location descrip
 136 #endif  /* _BSD_DEV_DISK_ */
 137