2.9BSD - /usr/include/sys/rkreg.h

   1: struct  rkdevice
   2: {
   3:     short   rkds;
   4:     short   rker;
   5:     short   rkcs;
   6:     short   rkwc;
   7:     caddr_t rkba;
   8:     short   rkda;
   9: };
  10: 
  11: /* bits in rkds; all are read only */
  12: /* bits 15-13 are drive identification */
  13: #define RK_DPL      0010000     /* drive power low */
  14: #define RK_RK05     0004000     /* drive is an rk05; always 1 */
  15: #define RK_DRU      0002000     /* drive unsafe */
  16: #define RK_SIN      0001000     /* seek incomplete */
  17: #define RK_SOK      0000400     /* sector counter ok */
  18: #define RK_DRY      0000200     /* drive ready */
  19: #define RK_RWSRDY   0000100     /* read/write/seek ready */
  20: #define RK_WPS      0000040     /* write protect status */
  21: #define RK_SKC      0000020     /* seek complete */
  22: /* bits 3-0 are sector counter */
  23: #define RK_BITS     \
  24: "\10\15DPL\13DRU\12SIN\11SOK\10DRY\7RWSRDY\6WPS\5SKC"
  25: 
  26: /* bits in rker; all are read only */
  27: #define RKER_DRE    0100000     /* drive error */
  28: #define RKER_OVR    0040000     /* overrun */
  29: #define RKER_WLO    0020000     /* write lock out violation */
  30: #define RKER_SKE    0010000     /* seek error */
  31: #define RKER_PGE    0004000     /* programming error */
  32: #define RKER_NXM    0002000     /* nonexistent memory */
  33: #define RKER_DLT    0001000     /* data late */
  34: #define RKER_TE     0000400     /* timing error */
  35: #define RKER_NXD    0000200     /* nonexistent disk */
  36: #define RKER_NXC    0000100     /* nonexistent cylinder */
  37: #define RKER_NXS    0000040     /* nonexistent sector */
  38: /* bits 4-2 are unused */
  39: #define RKER_CSE    0000002     /* checksum error */
  40: #define RKER_WCE    0000001     /* write check error */
  41: #define RKER_BITS   \
  42: "\10\20DRE\17OVR\16WLO\15SKE\14PGE\13NXM\12DLT\11TE\10NXD\
  43: \7NXC\6NXS\2CSE\1WCE"
  44: 
  45: /* bits in rkcs */
  46: #define RKCS_ERR    0100000     /* error */
  47: #define RKCS_HE     0040000     /* hard error */
  48: #define RKCS_SCP    0020000     /* search complete */
  49: /* bit 12 is unused */
  50: #define RKCS_INHBA  0004000     /* inhibit bus address increment */
  51: #define RKCS_FMT    0002000     /* format */
  52: /* bit 9 is unused */
  53: #define RKCS_SSE    0000400     /* stop on soft error */
  54: #define RKCS_RDY    0000200     /* control ready */
  55: #define RKCS_IDE    0000100     /* interrupt on done enable */
  56: /* bits 5-4 are the UNIBUS extension bits */
  57: /* bits 3-1 is the command */
  58: #define RKCS_GO     0000001     /* go */
  59: #define RKCS_BITS   \
  60: "\10\20ERR\17HE\16SCP\15INHBA\14FMT\13SSE\12RDY\11IDE\1GO"
  61: 
  62: /* commands */
  63: #define RKCS_RESET  0000000     /* control reset */
  64: #define RKCS_WCOM   0000002     /* write */
  65: #define RKCS_RCOM   0000004     /* read */
  66: #define RKCS_WCHK   0000006     /* write check */
  67: #define RKCS_SEEK   0000010     /* seek */
  68: #define RKCS_RCHK   0000012     /* read check */
  69: #define RKCS_DRESET 0000014     /* drive reset */
  70: #define RKCS_WLCK   0000016     /* write lock */
  71: 
  72: /* bits in rkda */
  73: /* bits 15-13 are drive select */
  74: /* bits 12-5 are cylinder address */
  75: #define RKDA_SUR    0000020     /* surface */
  76: /* bits 3-0 are sector address */

Defined struct's

Defined macros

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