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

   1: struct  hsdevice
   2: {
   3:     short   hscs1;      /* Control and Status register 1 */
   4:     short   hswc;       /* Word count register */
   5:     caddr_t hsba;       /* UNIBUS address register */
   6:     short   hsda;       /* Desired address register */
   7:     short   hscs2;      /* Control and Status register 2 */
   8:     short   hsds;       /* Drive Status */
   9:     short   hser;       /* Error register */
  10:     short   hsas;       /* Attention summary */
  11:     short   hsla;       /* Look ahead register used */
  12:     short   hsdb;       /* Data buffer register */
  13:     short   hsmr;       /* Maintenance register */
  14:     short   hsdt;       /* Drive type register */
  15:     short   hsbae;      /* Bus extension (11/70) */
  16: };
  17: 
  18: /* bits in hscs1 */
  19: #define HS_SC       0100000     /* special condition */
  20: #define HS_TRE      0040000     /* transfer error */
  21: #define HS_MCPE     0020000     /* MASSBUS control bus parity error */
  22: /* bit 12 is unused */
  23: #define HS_DVA      0004000     /* drive available */
  24: #define HS_PSEL     0002000     /* port select */
  25: /* bits 9-8 are the UNIBUS extension bits */
  26: #define HS_RDY      0000200     /* ready */
  27: #define HS_IE       0000100     /* interrupt enable */
  28: /* bits 5-1 are the function */
  29: #define HS_GO       0000001     /* go */
  30: #define HS_BITS     \
  31: "\10\20SC\17TRE\16MCPE\14DVA\13PSEL\10RDY\7IE\1GO"
  32: 
  33: /* commands */
  34: #define HS_NOOP     0000000     /* no operation */
  35: #define HS_DCLR     0000010     /* drive clear */
  36: #define HS_SEARCH   0000030     /* search */
  37: #define HS_WCHK     0000050     /* write check */
  38: #define HS_WCOM     0000060     /* write */
  39: #define HS_RCOM     0000070     /* read */
  40: 
  41: /* bits in hscs2 */
  42: #define HSCS2_DLT   0100000     /* data late */
  43: #define HSCS2_WCE   0040000     /* write check error */
  44: #define HSCS2_PE    0020000     /* parity error */
  45: #define HSCS2_NED   0010000     /* nonexistent drive */
  46: #define HSCS2_NEM   0004000     /* nonexistent memory */
  47: #define HSCS2_PGE   0002000     /* program error */
  48: #define HSCS2_MXF   0001000     /* missed transfer */
  49: #define HSCS2_MDPE  0000400     /* MASSBUS data bus parity error */
  50: #define HSCS2_OR    0000200     /* output ready */
  51: #define HSCS2_IR    0000100     /* input ready */
  52: #define HSCS2_CLR   0000040     /* controller clear */
  53: #define HSCS2_PAT   0000020     /* parity test */
  54: #define HSCS2_BAI   0000010     /* UNIBUS address increment inhibit */
  55: /* bits 2-0 are unit select */
  56: #define HSCS2_BITS  \
  57: "\10\20DLT\17WCE\16PE\15NED\14NEM\13PGE\12MXF\11MDPE\10OR\7IR\6CLR\5PAT\4BAI"
  58: 
  59: /* bits in hsds */
  60: #define HSDS_ATA    0100000     /* attention active */
  61: #define HSDS_ERR    0040000     /* error summary */
  62: #define HSDS_PIP    0020000     /* positioning in progress */
  63: #define HSDS_MOL    0010000     /* medium on line */
  64: #define HSDS_WRL    0004000     /* write locked */
  65: #define HSDS_LBT    0002000     /* last block transferred */
  66: /* bit 9 is unused */
  67: #define HSDS_DPR    0000400     /* drive present */
  68: #define HSDS_DRY    0000200     /* drive ready */
  69: /* bits 6-0 are unused */
  70: #define HSDS_BITS   \
  71: "\10\20ATA\17ERR\16PIP\15MOL\14WRL\13LBT\11DPR\10DRY"
  72: 
  73: /* bits in hser */
  74: #define HSER_DCK    0100000     /* data check */
  75: #define HSER_UNS    0040000     /* unsafe */
  76: #define HSER_OPI    0020000     /* operation incomplete */
  77: #define HSER_DTE    0010000     /* drive timing error */
  78: #define HSER_WLE    0004000     /* write lock error */
  79: #define HSER_IAE    0002000     /* invalid address error */
  80: #define HSER_AO     0001000     /* address overflow */
  81: /* bits 8-4 are unused */
  82: #define HSER_PAR    0000010     /* bus parity error */
  83: #define HSER_RMR    0000004     /* register modify refused */
  84: #define HSER_ILR    0000002     /* illegal register */
  85: #define HSER_ILF    0000001     /* illegal function */
  86: #define HSER_BITS   \
  87: "\10\20DCK\17UNS\16OPI\15DTE\14WLE\13IAE\12AO\4PAR\3RMR\2ILR\1ILF"
  88: 
  89: /* bits in hsdt */
  90: /* bits 15-9 always read as 0 */
  91: #define HSDT_HS03   0000000     /* RS03 */
  92: #define HSDT_HS03SI 0000001     /* RS03 with sector interleave */
  93: #define HSDT_HS04   0000002     /* RS04 */
  94: #define HSDT_HS04SI 0000003     /* RS04 with sector interleave */

Defined struct's

Defined macros

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