2.9BSD - /usr/src/sys/dev/Others/mlreg.h

   1: struct  mldevice
   2: {
   3:     union {
   4:         short   w;
   5:         char    c[2];
   6:     } mlcs1;            /* Control and Status register 1 */
   7:     short   mlwc;           /* Word count register */
   8:     caddr_t mlba;           /* UNIBUS address register */
   9:     short   mlda;           /* Desired address register */
  10:     union {
  11:         short   w;
  12:         char    c[2];
  13:     } mlcs2;            /* Control and Status register 2 */
  14:     short   mlds;           /* Drive Status */
  15:     short   mler;           /* Error register */
  16:     short   mlas;           /* Attention Summary */
  17:     short   mlpa;           /* Prom address register */
  18:     short   mldb;           /* Data buffer */
  19:     short   mlmr;           /* Maintenance register */
  20:     short   mldt;           /* Drive type */
  21:     short   mlsn;           /* Serial number */
  22:     short   mle1;           /* ECC CRC word 1 */
  23:     short   mle2;           /* ECC CRC word 2 */
  24:     short   mld1;           /* Data diagnostic 1 register */
  25:     short   mld2;           /* Data diagnostic 2 register */
  26:     short   mlee;           /* ECC error register */
  27:     short   mlel;           /* ECC error location register */
  28:     short   mlpd;           /* Prom data register */
  29:     short   mlbae;          /* RH70 bus address extension */
  30:     short   mlcs3;          /* RH70 control & status register 3 */
  31: };
  32: 
  33: /* bits in mlcs */
  34: #define ML_TRE      0040000
  35: #define ML_IE       0000100
  36: #define ML_GO       0000001
  37: 
  38: /* function codes */
  39: #define ML_DCLR     0000010
  40: #define ML_PRESET   0000020
  41: #define ML_WCOM     0000060
  42: #define ML_RCOM     0000070
  43: #define ML_BITS     "\10\17TRE\7IE\1G0"
  44: 
  45: /* bits in MLDS */
  46: #define MLDS_MOL    0010000
  47: #define MLDS_DPR    0000400
  48: #define MLDS_DRY    0000200
  49: #define MLDS_VV     0000100
  50: #define MLDS_BITS   "\10\15MOL\11DPR\10DRY\7VV"
  51: 
  52: /* transfer rates */
  53: #define MLMR_2MB    0000000         /* 2Mb transfer rate */
  54: #define MLMR_1MB    0000400         /* 1Mb transfer rate */
  55: #define MLMR_500KB  0001000         /* 500 Kb transfer rate */
  56: #define MLMR_250KB  0001400         /* 250 Kb transfer rate */
  57: 
  58: #define MLDT_ML11   0000110         /* ML11 drive type */

Defined struct's

Defined macros