1 /* rkreg.h 4.2 81/05/09 */ 2 3 #define NRK7CYL 815 4 #define NRK6CYL 411 5 #define NRKSECT 22 6 #define NRKTRK 3 7 8 struct rkdevice 9 { 10 short rkcs1; /* control status reg 1 */ 11 short rkwc; /* word count */ 12 u_short rkba; /* bus address */ 13 short rkda; /* disk address */ 14 short rkcs2; /* control status reg 2 */ 15 short rkds; /* drive status */ 16 short rker; /* driver error register */ 17 short rkatt; /* attention status/offset register */ 18 short rkcyl; /* current cylinder register */ 19 short rkxxx; 20 short rkdb; /* data buffer register */ 21 short rkmr1; /* maint reg 1 */ 22 short rkec1; /* burst error bit position */ 23 short rkec2; /* burst error bit pattern */ 24 short rkmr2; /* maint reg 2 */ 25 short rkmr3; /* maint reg 3 */ 26 }; 27 28 /* rkcs1 */ 29 #define RK_CCLR 0100000 /* controller clear (also error) */ 30 #define RK_CERR RK_CCLR 31 #define RK_DI 0040000 /* drive interrupt */ 32 #define RK_DTCPAR 0020000 /* drive to controller parity */ 33 #define RK_CFMT 0010000 /* 18 bit word format */ 34 #define RK_CTO 0004000 /* controller timeout */ 35 #define RK_CDT 0002000 /* drive type (rk07/rk06) */ 36 /* bits 8 and 9 are the extended bus address */ 37 #define RK_CRDY 0000200 /* controller ready */ 38 #define RK_IE 0000100 /* interrupt enable */ 39 /* bits 1 to 4 are the function code */ 40 #define RK_GO 0000001 41 42 /* commands */ 43 #define RK_SELECT 000 /* select drive */ 44 #define RK_PACK 002 /* pack acknowledge */ 45 #define RK_DCLR 004 /* drive clear */ 46 #define RK_UNLOAD 006 /* unload */ 47 #define RK_START 010 /* start spindle */ 48 #define RK_RECAL 012 /* recalibrate */ 49 #define RK_OFFSET 014 /* offset */ 50 #define RK_SEEK 016 /* seek */ 51 #define RK_READ 020 /* read data */ 52 #define RK_WRITE 022 /* write data */ 53 #define RK_RHDR 026 /* read header */ 54 #define RK_WHDR 030 /* write header */ 55 56 /* rkcs2 */ 57 #define RKCS2_DLT 0100000 /* data late */ 58 #define RKCS2_WCE 0040000 /* write check */ 59 #define RKCS2_UPE 0020000 /* unibus parity */ 60 #define RKCS2_NED 0010000 /* non-existant drive */ 61 #define RKCS2_NEM 0004000 /* non-existant memory */ 62 #define RKCS2_PGE 0002000 /* programming error */ 63 #define RKCS2_MDS 0001000 /* multiple drive select */ 64 #define RKCS2_UFE 0000400 /* unit field error */ 65 #define RKCS2_OR 0000200 /* output ready */ 66 #define RKCS2_IR 0000100 /* input ready */ 67 #define RKCS2_SCLR 0000040 /* subsystem clear */ 68 #define RKCS2_BAI 0000020 /* bus address increment inhibit */ 69 #define RKCS2_RLS 0000010 /* release */ 70 /* bits 0-2 are drive select */ 71 72 #define RKCS2_BITS \ 73 "\10\20DLT\17WCE\16UPE\15NED\14NEM\13PGE\12MDS\11UFE\ 74 \10OR\7IR\6SCLR\5BAI\4RLS" 75 76 #define RKCS2_HARD (RKCS2_NED|RKCS2_PGE) 77 78 /* rkds */ 79 #define RKDS_SVAL 0100000 /* status valid */ 80 #define RKDS_CDA 0040000 /* current drive attention */ 81 #define RKDS_PIP 0020000 /* positioning in progress */ 82 /* bit 12 is spare */ 83 #define RKDS_WRL 0004000 /* write lock */ 84 /* bits 9 and 10 are spare */ 85 #define RKDS_DDT 0000400 /* disk drive type */ 86 #define RKDS_DRDY 0000200 /* drive ready */ 87 #define RKDS_VV 0000100 /* volume valid */ 88 #define RKDS_DROT 0000040 /* drive off track */ 89 #define RKDS_SPLS 0000020 /* speed loss */ 90 #define RKDS_ACLO 0000010 /* ac low */ 91 #define RKDS_OFF 0000004 /* offset mode */ 92 #define RKDS_DRA 0000001 /* drive available */ 93 94 #define RKDS_DREADY (RKDS_DRA|RKDS_VV|RKDS_DRDY) 95 #define RKDS_BITS \ 96 "\10\20SVAL\17CDA\16PIP\14WRL\11DDT\ 97 \10DRDY\7VV\6DROT\5SPLS\4ACLO\3OFF\1DRA" 98 #define RKDS_HARD (RKDS_ACLO|RKDS_SPLS) 99 100 /* rker */ 101 #define RKER_DCK 0100000 /* data check */ 102 #define RKER_UNS 0040000 /* drive unsafe */ 103 #define RKER_OPI 0020000 /* operation incomplete */ 104 #define RKER_DTE 0010000 /* drive timing error */ 105 #define RKER_WLE 0004000 /* write lock error */ 106 #define RKER_IDAE 0002000 /* invalid disk address error */ 107 #define RKER_COE 0001000 /* cylinder overflow error */ 108 #define RKER_HRVC 0000400 /* header vertical redundancy check */ 109 #define RKER_BSE 0000200 /* bad sector error */ 110 #define RKER_ECH 0000100 /* hard ecc error */ 111 #define RKER_DTYE 0000040 /* drive type error */ 112 #define RKER_FMTE 0000020 /* format error */ 113 #define RKER_DRPAR 0000010 /* control-to-drive parity error */ 114 #define RKER_NXF 0000004 /* non-executable function */ 115 #define RKER_SKI 0000002 /* seek incomplete */ 116 #define RKER_ILF 0000001 /* illegal function */ 117 118 #define RKER_BITS \ 119 "\10\20DCK\17UNS\16OPI\15DTE\14WLE\13IDAE\12COE\11HRVC\ 120 \10BSE\7ECH\6DTYE\5FMTE\4DRPAR\3NXF\2SKI\1ILF" 121 #define RKER_HARD \ 122 (RKER_WLE|RKER_IDAE|RKER_COE|RKER_DTYE|RKER_FMTE|RKER_ILF) 123 124 /* offset bits in rkas */ 125 #define RKAS_P400 0020 /* +400 RK06, +200 RK07 */ 126 #define RKAS_M400 0220 /* -400 RK06, -200 RK07 */ 127 #define RKAS_P800 0040 /* +800 RK06, +400 RK07 */ 128 #define RKAS_M800 0240 /* -800 RK06, -400 RK07 */ 129 #define RKAS_P1200 0060 /* +800 RK06, +400 RK07 */ 130 #define RKAS_M1200 0260 /* -1200 RK06, -1200 RK07 */ 131