1 /* mtreg.h 6.2 84/09/25 */ 2 3 /* 4 * TU78 registers. 5 */ 6 7 struct mtdevice { 8 int mtcs; /* control status register */ 9 int mter; /* error register */ 10 int mtca; /* command address, rec cnt, skp cnt reg */ 11 int mtmr1; /* maintenance register */ 12 int mtas; /* attention summary register */ 13 int mtbc; /* byte count register */ 14 int mtdt; /* drive type register */ 15 int mtds; /* drive status register */ 16 int mtsn; /* serial number register */ 17 int mtmr2; /* maintenance register */ 18 int mtmr3; /* maintenance register */ 19 int mtner; /* non-data transfer error register */ 20 int mtncs[4]; /* non-data transfer command registers */ 21 int mtia; /* internal address */ 22 int mtid; /* internal data */ 23 }; 24 25 /* mtcs */ 26 #define MT_GO 000001 /* go bit */ 27 #define MT_NOOP 000002 /* no operation */ 28 #define MT_UNLOAD 000004 /* unload tape */ 29 #define MT_REW 000006 /* rewind */ 30 #define MT_SENSE 000010 /* sense */ 31 #define MT_DSE 000012 /* data security erase */ 32 #define MT_WTMPE 000014 /* write phase encoded tape mark */ 33 #define MT_WTM MT_WTMPE /* generic write tape mark */ 34 #define MT_WTMGCR 000016 /* write GCR tape mark */ 35 #define MT_SFORW 000020 /* space forward record */ 36 #define MT_SREV 000022 /* space reverse record */ 37 #define MT_SFORWF 000024 /* space forward file */ 38 #define MT_SREVF 000026 /* space reverse file */ 39 #define MT_SFORWE 000030 /* space forward either */ 40 #define MT_SREVE 000032 /* space reverse either */ 41 #define MT_ERGPE 000034 /* erase tape, set PE */ 42 #define MT_ERASE MT_ERGPE /* generic erase tape */ 43 #define MT_ERGGCR 000036 /* erase tape, set GCR */ 44 #define MT_CLSPE 000040 /* close file PE */ 45 #define MT_CLS MT_CLSPE /* generic close file */ 46 #define MT_CLSGCR 000042 /* close file GCR */ 47 #define MT_SLEOT 000044 /* space to logical EOT */ 48 #define MT_SFLEOT 000046 /* space forward file, stop on LEOT */ 49 #define MT_WCHFWD 000050 /* write check forward */ 50 #define MT_WCHREV 000056 /* write check reverse */ 51 #define MT_WRITEPE 000060 /* write phase encoded */ 52 #define MT_WRITE MT_WRITEPE /* generic write */ 53 #define MT_WRITEGCR 000062 /* write group coded */ 54 #define MT_READ 000070 /* read forward */ 55 #define MT_EXSNS 000072 /* read extended sense error log */ 56 #define MT_READREV 000076 /* read reverse */ 57 #define MT_GCR 000002 /* make generic ops GCR ops */ 58 59 /* mtds */ 60 #define MTDS_RDY 0100000 /* tape ready */ 61 #define MTDS_PRES 0040000 /* tape unit has power */ 62 #define MTDS_ONL 0020000 /* online */ 63 #define MTDS_REW 0010000 /* tape rewinding */ 64 #define MTDS_PE 0004000 /* tape set for phase encoded */ 65 #define MTDS_BOT 0002000 /* tape at BOT */ 66 #define MTDS_EOT 0001000 /* tape at EOT */ 67 #define MTDS_FPT 0000400 /* write protected */ 68 #define MTDS_AVAIL 0000200 /* unit available */ 69 #define MTDS_SHR 0000100 /* unit is shared */ 70 #define MTDS_MAINT 0000040 /* maintenance mode */ 71 #define MTDS_DSE 0000020 /* DSE in progress */ 72 73 #define MTDS_BITS \ 74 "\10\20RDY\17PRES\16ONL\15REW\14PE\13BOT\12EOT\11FPT\10AVAIL\ 75 \7SHR\6MAINT\5DSE" 76 77 /* mter */ 78 #define MTER_INTCODE 0377 /* mask for interrupt code */ 79 #define MTER_FAILCODE 0176000 /* failure code */ 80 81 /* interrupt codes */ 82 #define MTER_DONE 001 /* operation complete */ 83 #define MTER_TM 002 /* unexpected tape mark */ 84 #define MTER_BOT 003 /* unexpected BOT detected */ 85 #define MTER_EOT 004 /* tape positioned beyond EOT */ 86 #define MTER_LEOT 005 /* unexpected LEOT detected */ 87 #define MTER_NOOP 006 /* no-op completed */ 88 #define MTER_RWDING 007 /* rewinding */ 89 #define MTER_FPT 010 /* write protect error */ 90 #define MTER_NOTRDY 011 /* not ready */ 91 #define MTER_NOTAVL 012 /* not available */ 92 #define MTER_OFFLINE 013 /* offline */ 93 #define MTER_NONEX 014 /* unit does not exist */ 94 #define MTER_NOTCAP 015 /* not capable */ 95 #define MTER_ONLINE 017 /* tape came online */ 96 #define MTER_LONGREC 020 /* long tape record */ 97 #define MTER_SHRTREC 021 /* short tape record */ 98 #define MTER_RETRY 022 /* retry */ 99 #define MTER_RDOPP 023 /* read opposite */ 100 #define MTER_UNREAD 024 /* unreadable */ 101 #define MTER_ERROR 025 /* error */ 102 #define MTER_EOTERR 026 /* EOT error */ 103 #define MTER_BADTAPE 027 /* tape position lost */ 104 #define MTER_TMFLTA 030 /* TM fault A */ 105 #define MTER_TUFLTA 031 /* TU fault A */ 106 #define MTER_TMFLTB 032 /* TM fault B */ 107 #define MTER_MBFLT 034 /* Massbus fault */ 108 #define MTER_KEYFAIL 077 /* keypad entry error */ 109 110 /* mtdt */ 111 #define MTDT_NSA 0100000 /* not sector addressed; always 1 */ 112 #define MTDT_TAP 0040000 /* tape; always 1 */ 113 #define MTDT_MOH 0020000 /* moving head; always 0 */ 114 #define MTDT_7CH 0010000 /* 7 channel; always 0 */ 115 #define MTDT_DRQ 0004000 /* drive request required */ 116 #define MTDT_SPR 0002000 /* slave present; always 1 ??? */ 117 /* bit 9 is spare */ 118 /* bits 8-0 are formatter/transport type */ 119 120 /* mtid */ 121 #define MTID_RDY 0100000 /* controller ready */ 122 #define MTID_CLR 0040000 /* controller clear */ 123 124 #define b_repcnt b_bcount 125 #define b_command b_resid 126