1 /*- 2 * Copyright (c) 1982, 1986 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 * 7 * @(#)mtreg.h 7.3 (Berkeley) 05/08/91 8 */ 9 10 /* 11 * TU78 registers. 12 */ 13 14 struct mtdevice { 15 int mtcs; /* control status register */ 16 int mter; /* error register */ 17 int mtca; /* command address, rec cnt, skp cnt reg */ 18 int mtmr1; /* maintenance register */ 19 int mtas; /* attention summary register */ 20 int mtbc; /* byte count register */ 21 int mtdt; /* drive type register */ 22 int mtds; /* drive status register */ 23 int mtsn; /* serial number register */ 24 int mtmr2; /* maintenance register */ 25 int mtmr3; /* maintenance register */ 26 int mtner; /* non-data transfer error register */ 27 int mtncs[4]; /* non-data transfer command registers */ 28 int mtia; /* internal address */ 29 int mtid; /* internal data */ 30 }; 31 32 /* mtcs */ 33 #define MT_GO 000001 /* go bit */ 34 #define MT_NOOP 000002 /* no operation */ 35 #define MT_UNLOAD 000004 /* unload tape */ 36 #define MT_REW 000006 /* rewind */ 37 #define MT_SENSE 000010 /* sense */ 38 #define MT_DSE 000012 /* data security erase */ 39 #define MT_WTMPE 000014 /* write phase encoded tape mark */ 40 #define MT_WTM MT_WTMPE /* generic write tape mark */ 41 #define MT_WTMGCR 000016 /* write GCR tape mark */ 42 #define MT_SFORW 000020 /* space forward record */ 43 #define MT_SREV 000022 /* space reverse record */ 44 #define MT_SFORWF 000024 /* space forward file */ 45 #define MT_SREVF 000026 /* space reverse file */ 46 #define MT_SFORWE 000030 /* space forward either */ 47 #define MT_SREVE 000032 /* space reverse either */ 48 #define MT_ERGPE 000034 /* erase tape, set PE */ 49 #define MT_ERASE MT_ERGPE /* generic erase tape */ 50 #define MT_ERGGCR 000036 /* erase tape, set GCR */ 51 #define MT_CLSPE 000040 /* close file PE */ 52 #define MT_CLS MT_CLSPE /* generic close file */ 53 #define MT_CLSGCR 000042 /* close file GCR */ 54 #define MT_SLEOT 000044 /* space to logical EOT */ 55 #define MT_SFLEOT 000046 /* space forward file, stop on LEOT */ 56 #define MT_WCHFWD 000050 /* write check forward */ 57 #define MT_WCHREV 000056 /* write check reverse */ 58 #define MT_WRITEPE 000060 /* write phase encoded */ 59 #define MT_WRITE MT_WRITEPE /* generic write */ 60 #define MT_WRITEGCR 000062 /* write group coded */ 61 #define MT_READ 000070 /* read forward */ 62 #define MT_EXSNS 000072 /* read extended sense error log */ 63 #define MT_READREV 000076 /* read reverse */ 64 #define MT_GCR 000002 /* make generic ops GCR ops */ 65 66 /* mtds */ 67 #define MTDS_RDY 0100000 /* tape ready */ 68 #define MTDS_PRES 0040000 /* tape unit has power */ 69 #define MTDS_ONL 0020000 /* online */ 70 #define MTDS_REW 0010000 /* tape rewinding */ 71 #define MTDS_PE 0004000 /* tape set for phase encoded */ 72 #define MTDS_BOT 0002000 /* tape at BOT */ 73 #define MTDS_EOT 0001000 /* tape at EOT */ 74 #define MTDS_FPT 0000400 /* write protected */ 75 #define MTDS_AVAIL 0000200 /* unit available */ 76 #define MTDS_SHR 0000100 /* unit is shared */ 77 #define MTDS_MAINT 0000040 /* maintenance mode */ 78 #define MTDS_DSE 0000020 /* DSE in progress */ 79 80 #define MTDS_BITS \ 81 "\10\20RDY\17PRES\16ONL\15REW\14PE\13BOT\12EOT\11FPT\10AVAIL\ 82 \7SHR\6MAINT\5DSE" 83 84 /* mter */ 85 #define MTER_INTCODE 0377 /* mask for interrupt code */ 86 #define MTER_FAILCODE 0176000 /* failure code */ 87 #define MTER_FSHIFT 10 /* shift to make units */ 88 89 /* interrupt codes */ 90 #define MTER_DONE 001 /* operation complete */ 91 #define MTER_TM 002 /* unexpected tape mark */ 92 #define MTER_BOT 003 /* unexpected BOT detected */ 93 #define MTER_EOT 004 /* tape positioned beyond EOT */ 94 #define MTER_LEOT 005 /* unexpected LEOT detected */ 95 #define MTER_NOOP 006 /* no-op completed */ 96 #define MTER_RWDING 007 /* rewinding */ 97 #define MTER_FPT 010 /* write protect error */ 98 #define MTER_NOTRDY 011 /* not ready */ 99 #define MTER_NOTAVL 012 /* not available */ 100 #define MTER_OFFLINE 013 /* offline */ 101 #define MTER_NONEX 014 /* unit does not exist */ 102 #define MTER_NOTCAP 015 /* not capable */ 103 #define MTER_ONLINE 017 /* tape came online */ 104 #define MTER_LONGREC 020 /* long tape record */ 105 #define MTER_SHRTREC 021 /* short tape record */ 106 #define MTER_RETRY 022 /* retry */ 107 #define MTER_RDOPP 023 /* read opposite */ 108 #define MTER_UNREAD 024 /* unreadable */ 109 #define MTER_ERROR 025 /* error */ 110 #define MTER_EOTERR 026 /* EOT error */ 111 #define MTER_BADTAPE 027 /* tape position lost */ 112 #define MTER_TMFLTA 030 /* TM fault A */ 113 #define MTER_TUFLTA 031 /* TU fault A */ 114 #define MTER_TMFLTB 032 /* TM fault B */ 115 #define MTER_MBFLT 034 /* Massbus fault */ 116 #define MTER_KEYFAIL 077 /* keypad entry error */ 117 118 /* mtdt */ 119 #define MTDT_NSA 0100000 /* not sector addressed; always 1 */ 120 #define MTDT_TAP 0040000 /* tape; always 1 */ 121 #define MTDT_MOH 0020000 /* moving head; always 0 */ 122 #define MTDT_7CH 0010000 /* 7 channel; always 0 */ 123 #define MTDT_DRQ 0004000 /* drive request required */ 124 #define MTDT_SPR 0002000 /* slave present; always 1 ??? */ 125 /* bit 9 is spare */ 126 /* bits 8-0 are formatter/transport type */ 127 128 /* mtid */ 129 #define MTID_RDY 0100000 /* controller ready */ 130 #define MTID_CLR 0040000 /* controller clear */ 131 132 #define b_repcnt b_bcount 133 #define b_command b_resid 134