4.3BSD - /usr/src/sys/vaxuba/idcreg.h

   1: /*
   2:  * Copyright (c) 1982, 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:  *	@(#)idcreg.h	7.1 (Berkeley) 6/5/86
   7:  */
   8: 
   9: #define NRB02SECT   40  /* RB02 sectors/track */
  10: #define NRB02TRK    2   /* RB02 tracks/cylinder */
  11: #define NRB02CYL    512 /* RB02 cylinders/disk */
  12: #define NRB80SECT   31  /* RB80 sectors/track */
  13: #define NRB80TRK    14  /* RB80 tracks/cylinder */
  14: #define NRB80CYL    559 /* RB80 cylinders/disk */
  15: 
  16: struct idcdevice
  17: {
  18:     int idccsr;     /* control status register */
  19:     int idcbar;     /* bus address register */
  20:     int idcbcr;     /* byte count register */
  21:     int idcdar;     /* disk address register */
  22:     int idcmpr;     /* multi-purpose register */
  23:     int idceccpos;  /* ecc position register */
  24:     int idceccpat;  /* ecc pattern register */
  25:     int idcreset;   /* master reset register */
  26: };
  27: 
  28: /* idccsr */
  29: #define IDC_TOI     0x10000000  /* time out inhibit */
  30: #define IDC_ASSI    0x08000000  /* automatic skip sector inhibit */
  31: #define IDC_R80     0x04000000  /* selected disk is R80 */
  32: #define IDC_MTN     0x02000000  /* maintenance */
  33: #define IDC_IR      0x01000000  /* interrupt request */
  34: #define IDC_SSE     0x00800000  /* R80 skip sector error */
  35: #define IDC_SSEI    0x00400000  /* R80 skip sector error inhibit */
  36: #define IDC_ECS     0x00300000  /* R80 ecc status */
  37: #define IDC_ECS_NONE    0x00000000  /*   no data error */
  38: #define IDC_ECS_HARD    0x00200000  /*   hard ecc error */
  39: #define IDC_ECS_SOFT    0x00300000  /*   soft ecc error */
  40: #define IDC_ATTN    0x000f0000  /* attention bits */
  41: #define IDC_ERR     0x00008000  /* composite error */
  42: #define IDC_DE      0x00004000  /* drive error */
  43: #define IDC_NXM     0x00002000  /* non-existant memory */
  44: #define IDC_DLT     0x00001000  /* data late */
  45: #define IDC_HNF     IDC_DLT     /* header not found */
  46: #define IDC_DCK     0x00000800  /* data check */
  47: #define IDC_OPI     0x00000400  /* operation incomplete */
  48: #define IDC_DS      0x00000300  /* drive select bits */
  49: #define IDC_CRDY    0x00000080  /* controller ready */
  50: #define IDC_IE      0x00000040  /* interrupt enable */
  51: #define IDC_FUNC    0x0000000e  /* function code */
  52: #define IDC_DRDY    0x00000001  /* drive ready */
  53: 
  54: #define IDC_HARD    (IDC_NXM|IDC_DE)
  55: 
  56: #define IDCCSR_BITS \
  57: "\20\35TOI\34ASSI\33R80\32MTN\31IR\30SSE\27SSEI\26ECS1\25ECS0\24ATN3\
  58: \23ATN2\22ATN1\21ATN0\20ERR\17DE\16NXM\15DLT\14DCK\13OPI\12DS1\11DS0\
  59: \10CRDY\7IE\4F2\3F1\2F0\1DRDY"
  60: 
  61: /* function codes */
  62: #define IDC_NOP     000     /* no operation */
  63: #define IDC_WCHK    002     /* write check data */
  64: #define IDC_GETSTAT 004     /* get status */
  65: #define IDC_SEEK    006     /* seek */
  66: #define IDC_RHDR    010     /* read header */
  67: #define IDC_WRITE   012     /* write data */
  68: #define IDC_READ    014     /* read data */
  69: #define IDC_RNOHCHK 016     /* read data w/o header check */
  70: 
  71: /* idcmpr for RL02 get status command */
  72: #define IDCGS_RST   010     /* reset */
  73: #define IDCGS_GS    002     /* get status, must be 1 */
  74: #define IDCGS_M     001     /* mark, must be 1 */
  75: #define IDCGS_GETSTAT   (IDCGS_RST|IDCGS_GS|IDCGS_M)
  76: 
  77: /* RL02 status word */
  78: #define IDCDS_WDE   0100000     /* write data error */
  79: #define IDCDS_HCE   0040000     /* head current error */
  80: #define IDCDS_WL    0020000     /* write lock */
  81: #define IDCDS_SKTO  0010000     /* seek timeout */
  82: #define IDCDS_SPD   0004000     /* spindle error */
  83: #define IDCDS_WGE   0002000     /* write gate error */
  84: #define IDCDS_VC    0001000     /* volume check */
  85: #define IDCDS_DSE   0000400     /* drive select error */
  86: #define IDCDS_HS    0000100     /* head select */
  87: #define IDCDS_CO    0000040     /* cover open */
  88: #define IDCDS_HO    0000020     /* heads out */
  89: #define IDCDS_BH    0000010     /* brush home */
  90: #define IDCDS_STATE 0000007     /* drive state */
  91: 
  92: #define IDCRB02DS_BITS \
  93: "\10\20WDE\17HCE\16WL\15SKTO\14SPD\13WBE\12VC\11DSE\
  94: \7HS\6CO\5HO\4BH\3STC\2STB\1STA"
  95: 
  96: /* R80 status word */
  97: #define IDCDS_WTP   0020000     /* write protect */
  98: #define IDCDS_DRDY  0010000     /* driver ready */
  99: #define IDCDS_ONCY  0004000     /* on cylinder */
 100: #define IDCDS_SKE   0002000     /* seek error */
 101: #define IDCDS_PLGV  0001000     /* plug valid */
 102: #define IDCDS_FLT   0000400     /* fault */
 103: 
 104: #define IDCRB80DS_BITS \
 105: "\10\16WTP\15DRDY\14ONCY\13SKE\12PLGV\11FLT\5SEC4\4SEC3\3SEC2\2SEC1\1SEC0"

Defined struct's

Defined macros

Usage of this include