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

   1: struct hkdevice
   2: {
   3:     short   hkcs1;      /* control status reg 1 */
   4:     short   hkwc;       /* word count */
   5:     caddr_t hkba;       /* bus address */
   6:     short   hkda;       /* disk address */
   7:     short   hkcs2;      /* control status reg 2 */
   8:     short   hkds;       /* drive status */
   9:     short   hker;       /* driver error register */
  10:     short   hkatt;      /* attention status/offset register */
  11:     short   hkcyl;      /* current cylinder register */
  12:     short   hkspare;    /* "spare" register */
  13:     short   hkdb;       /* data buffer register */
  14:     short   hkmr1;      /* maint reg 1 */
  15:     short   hkecps;     /* burst error bit position */
  16:     short   hkecpt;     /* burst error bit pattern */
  17:     short   hkmr2;      /* maint reg 2 */
  18:     short   hkmr3;      /* maint reg 3 */
  19: };
  20: 
  21: /* hkcs1 */
  22: #define HK_CCLR     0100000     /* controller clear (also error) */
  23: #define HK_CERR     HK_CCLR
  24: #define HK_DI       0040000     /* drive interrupt */
  25: #define HK_DTCPAR   0020000     /* drive to controller parity */
  26: #define HK_CFMT     0010000     /* 18 bit word format */
  27: #define HK_CTO      0004000     /* controller timeout */
  28: #define HK_CDT      0002000     /* drive type (rk07/rk06) */
  29: /* bits 9 and 8 are the extended bus address */
  30: #define HK_CRDY     0000200     /* controller ready */
  31: #define HK_IE       0000100     /* interrupt enable */
  32: /* bit 5 is unused */
  33: /* bits 4-1 are the function code */
  34: #define HK_GO       0000001
  35: #define HK_BITS     \
  36: "\10\20CCLR\17DI\16DTCPAR\15CFMT\14CTO\13CDT\10CRDY\7IE\1GO"
  37: 
  38: /* commands */
  39: #define HK_SELECT   000     /* select drive */
  40: #define HK_PACK     002     /* pack acknowledge */
  41: #define HK_DCLR     004     /* drive clear */
  42: #define HK_UNLOAD   006     /* unload */
  43: #define HK_START    010     /* start spindle */
  44: #define HK_RECAL    012     /* recalibrate */
  45: #define HK_OFFSET   014     /* offset */
  46: #define HK_SEEK     016     /* seek */
  47: #define HK_READ     020     /* read data */
  48: #define HK_WRITE    022     /* write data */
  49: #define HK_RHDR     026     /* read header */
  50: #define HK_WHDR     030     /* write header */
  51: 
  52: /* hkcs2 */
  53: #define HKCS2_DLT   0100000     /* data late */
  54: #define HKCS2_WCE   0040000     /* write check */
  55: #define HKCS2_UPE   0020000     /* UNIBUS parity */
  56: #define HKCS2_NED   0010000     /* non-existent drive */
  57: #define HKCS2_NEM   0004000     /* non-existent memory */
  58: #define HKCS2_PGE   0002000     /* programming error */
  59: #define HKCS2_MDS   0001000     /* multiple drive select */
  60: #define HKCS2_UFE   0000400     /* unit field error */
  61: #define HKCS2_OR    0000200     /* output ready */
  62: #define HKCS2_IR    0000100     /* input ready */
  63: #define HKCS2_SCLR  0000040     /* subsystem clear */
  64: #define HKCS2_BAI   0000020     /* bus address increment inhibit */
  65: #define HKCS2_RLS   0000010     /* release */
  66: /* bits 2-0 are drive select */
  67: 
  68: #define HKCS2_BITS \
  69: "\10\20DLT\17WCE\16UPE\15NED\14NEM\13PGE\12MDS\11UFE\
  70: \10OR\7IR\6SCLR\5BAI\4RLS"
  71: 
  72: #define HKCS2_HARD      (HKCS2_NED|HKCS2_PGE)
  73: 
  74: /* hkds */
  75: #define HKDS_SVAL   0100000     /* status valid */
  76: #define HKDS_CDA    0040000     /* current drive attention */
  77: #define HKDS_PIP    0020000     /* positioning in progress */
  78: /* bit 12 is unused */
  79: #define HKDS_WRL    0004000     /* write lock */
  80: /* bits 10-9 are unused */
  81: #define HKDS_DDT    0000400     /* disk drive type */
  82: #define HKDS_DRDY   0000200     /* drive ready */
  83: #define HKDS_VV     0000100     /* volume valid */
  84: #define HKDS_DROT   0000040     /* drive off track */
  85: #define HKDS_SPLS   0000020     /* speed loss */
  86: #define HKDS_ACLO   0000010     /* ac low */
  87: #define HKDS_OFF    0000004     /* offset mode */
  88: /* bit 1 is unused */
  89: #define HKDS_DRA    0000001     /* drive available */
  90: 
  91: #define HKDS_DREADY (HKDS_DRA|HKDS_VV|HKDS_DRDY)
  92: #define HKDS_BITS \
  93: "\10\20SVAL\17CDA\16PIP\14WRL\11DDT\10DRDY\7VV\6DROT\5SPLS\4ACLO\3OFF\1DRA"
  94: #define HKDS_HARD   (HKDS_ACLO|HKDS_SPLS)
  95: 
  96: /* hker */
  97: #define HKER_DCK    0100000     /* data check */
  98: #define HKER_UNS    0040000     /* drive unsafe */
  99: #define HKER_OPI    0020000     /* operation incomplete */
 100: #define HKER_DTE    0010000     /* drive timing error */
 101: #define HKER_WLE    0004000     /* write lock error */
 102: #define HKER_IDAE   0002000     /* invalid disk address error */
 103: #define HKER_COE    0001000     /* cylinder overflow error */
 104: #define HKER_HRVC   0000400     /* header vertical redundancy check */
 105: #define HKER_BSE    0000200     /* bad sector error */
 106: #define HKER_ECH    0000100     /* hard ecc error */
 107: #define HKER_DTYE   0000040     /* drive type error */
 108: #define HKER_FMTE   0000020     /* format error */
 109: #define HKER_DRPAR  0000010     /* control-to-drive parity error */
 110: #define HKER_NXF    0000004     /* non-executable function */
 111: #define HKER_SKI    0000002     /* seek incomplete */
 112: #define HKER_ILF    0000001     /* illegal function */
 113: 
 114: #define HKER_BITS \
 115: "\10\20DCK\17UNS\16OPI\15DTE\14WLE\13IDAE\12COE\11HRVC\
 116: \10BSE\7ECH\6DTYE\5FMTE\4DRPAR\3NXF\2SKI\1ILF"
 117: #define HKER_HARD   \
 118:     (HKER_WLE|HKER_IDAE|HKER_COE|HKER_DTYE|HKER_FMTE|HKER_ILF)
 119: 
 120: /* offset bits in hkas */
 121: #define HKAS_P400   0020        /*  +400 RK06,  +200 RK07 */
 122: #define HKAS_M400   0220        /*  -400 RK06,  -200 RK07 */
 123: #define HKAS_P800   0040        /*  +800 RK06,  +400 RK07 */
 124: #define HKAS_M800   0240        /*  -800 RK06,  -400 RK07 */
 125: #define HKAS_P1200  0060        /*  +800 RK06,  +400 RK07 */
 126: #define HKAS_M1200  0260        /* -1200 RK06, -1200 RK07 */

Defined struct's

Defined macros

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