2.11BSD#431 - /usr/src/sys/pdpuba/tmreg.h

   1: /*
   2:  * Copyright (c) 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)tmreg.h	1.1 (2.10BSD Berkeley) 12/1/86
   7:  */
   8: 
   9: /*
  10:  * TM11 controller registers
  11:  */
  12: struct  tmdevice    {
  13:     u_short tmer;       /* error register, per drive */
  14:     u_short tmcs;       /* control-status register */
  15:     short   tmbc;       /* byte/frame count */
  16:     caddr_t tmba;       /* address */
  17:     short   tmdb;       /* data buffer */
  18:     short   tmrd;       /* read lines */
  19:     short   tmmr;       /* maintenance register */
  20: };
  21: 
  22: #define b_repcnt  b_bcount
  23: #define b_command b_resid
  24: 
  25: /* bits in tmcs */
  26: #define TM_GO       0000001
  27: #define TM_OFFL     0000000     /* offline */
  28: #define TM_RCOM     0000002     /* read */
  29: #define TM_WCOM     0000004     /* write */
  30: #define TM_WEOF     0000006     /* write-eof */
  31: #define TM_SFORW    0000010     /* space forward */
  32: #define TM_SREV     0000012     /* space backwards */
  33: #define TM_WIRG     0000014     /* write with xtra interrecord gap */
  34: #define TM_REW      0000016     /* rewind */
  35: #define TM_SENSE    TM_IE       /* sense (internal to driver) */
  36: 
  37: /* TM_SENSE is a pseudo-op used to get tape status */
  38: #define TM_IE       0000100     /* interrupt enable */
  39: #define TM_CUR      0000200     /* control unit is ready */
  40: #define TM_DCLR     0010000     /* drive clear */
  41: #define TM_D800     0060000     /* select 800 bpi density */
  42: #define TM_D1600    0000000     /* 1600 bpi (AVIV only) */
  43: #define TM_D6250    0020000     /* 6250 bpi (AVIV only) */
  44: #define TM_ERR      0100000     /* drive error summary */
  45: 
  46: /* bits in tmer */
  47: #define TMER_ILC    0100000     /* illegal command */
  48: #define TMER_EOF    0040000     /* end of file */
  49: #define TMER_CRE    0020000     /* cyclic redundancy error */
  50: #define TMER_PAE    0010000     /* parity error */
  51: #define TMER_BGL    0004000     /* bus grant late */
  52: #define TMER_EOT    0002000     /* at end of tape */
  53: #define TMER_RLE    0001000     /* record length error */
  54: #define TMER_BTE    0000400     /* bad tape error */
  55: #define TMER_NXM    0000200     /* non-existent memory */
  56: #define TMER_SELR   0000100     /* tape unit properly selected */
  57: #define TMER_BOT    0000040     /* at beginning of tape */
  58: #define TMER_CH7    0000020     /* 7 channel tape */
  59: #define TMER_SDWN   0000010     /* gap settling down */
  60: #define TMER_WRL    0000004     /* tape unit write protected */
  61: #define TMER_RWS    0000002     /* tape unit rewinding */
  62: #define TMER_TUR    0000001     /* tape unit ready */
  63: 
  64: #define TMER_BITS   \
  65: "\10\20ILC\17EOF\16CRE\15PAE\14BGL\13EOT\12RLE\11BTE\10NXM\
  66: \7SELR\6BOT\5CH7\4SDWN\3WRL\2RWS\1TUR"
  67: 
  68: #define TMER_HARD   (TMER_ILC|TMER_EOT|TMER_NXM)
  69: #define TMER_SOFT   (TMER_CRE|TMER_PAE|TMER_BGL|TMER_RLE|TMER_BTE)

Defined struct's

Defined macros

Usage of this include