Return to cyreg.h CVS log

Up to [CSRG BSD Unix] / 43BSDTahoe / sys / tahoevba

Annotation of 43BSDTahoe/sys/tahoevba/cyreg.h, revision 1.1

1.1     ! root        1: /*     %M%     %I%     %E%     */
        !             2: 
        !             3: /*
        !             4:  * Tapemaster controller definitions.
        !             5:  */
        !             6: 
        !             7: /*
        !             8:  * With 20-bit addressing, the intermediate buffer
        !             9:  * must be allocated early in startup().
        !            10:  */
        !            11: #define        CYMAXIO (64*1024)               /* max i/o size + 1 */
        !            12: char   *cybuf;
        !            13: 
        !            14: /* for byte swapping Multibus values */
        !            15: #define        htoms(x) (u_short)((((x)>>8)&0xff) | (((x)<<8)&0xff00))
        !            16: 
        !            17: #define        b_repcnt  b_bcount
        !            18: #define        b_command b_resid
        !            19: 
        !            20: /*
        !            21:  * System configuration pointer.
        !            22:  * Memory address is jumpered on controller.
        !            23:  */
        !            24: struct cyscp {
        !            25:        char    csp_buswidth;   /* system bus width */
        !            26: #define        CSP_16BITS      1       /* 16-bit system bus */
        !            27: #define        CSP_8BITS       0       /* 8-bit system bus */
        !            28:        char    csp_unused;
        !            29:        u_char  csp_scb[4];     /* point to system config block */
        !            30: };
        !            31: 
        !            32: /*
        !            33:  * System configuration block
        !            34:  */
        !            35: struct cyscb {
        !            36:        char    csb_fixed;      /* fixed value code (must be 3) */
        !            37:        char    csb_unused;     /* unused */
        !            38:        u_char  csb_ccb[4];     /* pointer to channel control block */
        !            39: };
        !            40: 
        !            41: #define        CSB_FIXED       0x3
        !            42: 
        !            43: /*
        !            44:  * Channel control block definitions
        !            45:  */
        !            46: struct cyccb {
        !            47:        char    cbcw;           /* channel control word */
        !            48:        char    cbgate;         /* tpb access gate */
        !            49:        u_char  cbtpb[4];       /* first tape parameter block */
        !            50: };
        !            51: 
        !            52: #define        GATE_OPEN       (char)(0x00)
        !            53: #define        GATE_CLOSED     (char)(0xff)
        !            54: 
        !            55: #define        CY_GO(addr)     movob((addr), 0xff)     /* channel attention */
        !            56: #define        CY_RESET(addr)  movob((addr)+1, 0xff)   /* software controller reset */
        !            57: 
        !            58: #define        CBCW_IE         0x11            /* interrupt on cmd completion */
        !            59: #define        CBCW_CLRINT     0x09            /* clear active interrupt */
        !            60: 
        !            61: /*
        !            62:  * Tape parameter block definitions
        !            63:  */
        !            64: struct cytpb {
        !            65:        u_long  tpcmd;          /* command, see below */
        !            66:        u_short tpcontrol;      /* control word */
        !            67:        u_short tpcount;        /* return count */
        !            68:        u_short tpsize;         /* buffer size */
        !            69:        u_short tprec;          /* records/overrun */
        !            70:        u_char  tpdata[4];      /* pointer to source/dest */
        !            71:        u_short tpstatus;       /* status */
        !            72:        u_char  tplink[4];      /* pointer to next parameter block */
        !            73: };
        !            74: 
        !            75: /* control field bit definitions */
        !            76: #define        CYCW_UNIT       (0x000c<<8)     /* unit select mask, 2 bit field */
        !            77: #define        CYCW_IE         (0x0020<<8)     /* interrupt enable */
        !            78: #define        CYCW_LOCK       (0x0080<<8)     /* bus lock flag */
        !            79: #define        CYCW_REV        (0x0400>>8)     /* reverse flag */
        !            80: #define        CYCW_SPEED      (0x0800>>8)     /* speed/density */
        !            81: #define            CYCW_25IPS  0
        !            82: #define            CYCW_100IPS (0x0800>>8)
        !            83: #define        CYCW_WIDTH      (0x8000>>8)     /* width */
        !            84: #define            CYCW_8BITS  0
        !            85: #define            CYCW_16BITS (0x8000>>8)
        !            86: 
        !            87: #define        CYCW_BITS       "\20\3REV\005100IPS\00716BITS\16IE\20LOCK"
        !            88: 
        !            89: /*
        !            90:  * Controller commands
        !            91:  */
        !            92: 
        !            93: /* control status/commands */
        !            94: #define        CY_CONFIG       (0x00<<24)      /* configure */
        !            95: #define        CY_NOP          (0x20<<24)      /* no operation */
        !            96: #define        CY_SETPAGE      (0x08<<24)      /* set page (addr bits 20-23) */
        !            97: #define        CY_SENSE        (0x28<<24)      /* drive status */
        !            98: #define        CY_CLRINT       (0x9c<<24)      /* clear Multibus interrupt */
        !            99: 
        !           100: /* tape position commands */
        !           101: #define        CY_REW          (0x34<<24)      /* rewind tape */
        !           102: #define        CY_OFFL         (0x38<<24)      /* off_line and unload */
        !           103: #define        CY_WEOF         (0x40<<24)      /* write end-of-file mark */
        !           104: #define        CY_SFORW        (0x70<<24)      /* space record forward */
        !           105: #define        CY_SREV         (CY_SFORW|CYCW_REV) /* space record backwards */
        !           106: #define        CY_FSF          (0x44<<24)      /* space file forward */
        !           107: #define        CY_BSF          (CY_FSF|CYCW_REV) /* space file backwards */
        !           108: #define        CY_ERASE        (0x4c<<24)      /* erase record */
        !           109: 
        !           110: /* data transfer commands */
        !           111: #define        CY_BRCOM        (0x10<<24)      /* read buffered */
        !           112: #define        CY_BWCOM        (0x14<<24)      /* write buffered */
        !           113: #define        CY_RCOM         (0x2c<<24)      /* read tape unbuffered */
        !           114: #define        CY_WCOM         (0x30<<24)      /* write tape unbuffered */
        !           115: 
        !           116: /* status field bit definitions */
        !           117: #define        CYS_WP          (0x0002<<8)     /* write protected, no write ring */
        !           118: #define        CYS_BSY         (0x0004<<8)     /* formatter busy */
        !           119: #define        CYS_RDY         (0x0008<<8)     /* drive ready */
        !           120: #define        CYS_EOT         (0x0010<<8)     /* end of tape detected */
        !           121: #define        CYS_BOT         (0x0020<<8)     /* tape is at load point */
        !           122: #define        CYS_OL          (0x0040<<8)     /* drive on_line */
        !           123: #define        CYS_FM          (0x0080<<8)     /* filemark detected */
        !           124: #define        CYS_ERR         (0x1f00>>8)     /* error value mask */
        !           125: #define        CYS_CR          (0x2000>>8)     /* controller executed retries */
        !           126: #define        CYS_CC          (0x4000>>8)     /* command completed successfully */
        !           127: #define        CYS_CE          (0x8000>>8)     /* command execution has begun */
        !           128: 
        !           129: #define        CYS_BITS "\20\6CR\7CC\10CE\12WP\13BSY\14RDY\15EOT/BOT\16BOT\17OL\20FM"
        !           130: 
        !           131: /* error codes for CYS_ERR */
        !           132: #define        CYER_TIMOUT     0x01    /* timed out data busy false */
        !           133: #define        CYER_TIMOUT1    0x02    /* data busy false,formatter,ready */
        !           134: #define        CYER_TIMOUT2    0x03    /* time out ready busy false */
        !           135: #define        CYER_TIMOUT3    0x04    /* time out ready busy true */
        !           136: #define        CYER_TIMOUT4    0x05    /* time out data busy true */
        !           137: #define        CYER_NXM        0x06    /* time out memory */
        !           138: #define        CYER_BLANK      0x07    /* blank tape */
        !           139: #define        CYER_DIAG       0x08    /* micro-diagnostic */
        !           140: #define        CYER_EOT        0x09    /* EOT forward, BOT rev. */
        !           141: #define        CYER_BOT        0x09    /* EOT forward, BOT rev. */
        !           142: #define        CYER_HERR       0x0a    /* retry unsuccessful */
        !           143: #define        CYER_FIFO       0x0b    /* FIFO over/under flow */
        !           144: #define        CYER_PARITY     0x0d    /* drive to tapemaster parity error */
        !           145: #define        CYER_CKSUM      0x0e    /* prom checksum */
        !           146: #define        CYER_STROBE     0x0f    /* time out tape strobe */
        !           147: #define        CYER_NOTRDY     0x10    /* tape not ready */
        !           148: #define        CYER_PROT       0x11    /* write, no enable ring */
        !           149: #define        CYER_JUMPER     0x13    /* missing diagnostic jumper */
        !           150: #define        CYER_LINK       0x14    /* bad link, link inappropriate */
        !           151: #define        CYER_FM         0x15    /* unexpected filemark */
        !           152: #define        CYER_PARAM      0x16    /* bad parameter, byte count ? */
        !           153: #define        CYER_HDWERR     0x18    /* unidentified hardware error */
        !           154: #define        CYER_NOSTRM     0x19    /* streaming terminated */
        !           155: 
        !           156: #ifdef CYERROR
        !           157: char   *cyerror[] = {
        !           158:        "no error",
        !           159:        "timeout",
        !           160:        "timeout1",
        !           161:        "timeout2",
        !           162:        "timeout3",
        !           163:        "timeout4", 
        !           164:        "non-existent memory",
        !           165:        "blank tape",
        !           166:        "micro-diagnostic",
        !           167:        "eot/bot detected",
        !           168:        "retry unsuccessful",
        !           169:        "fifo over/under-flow",
        !           170:        "#0xc",
        !           171:        "drive to controller parity error",
        !           172:        "prom checksum",
        !           173:        "time out tape strobe (record length error)",
        !           174:        "tape not ready",
        !           175:        "write protected",
        !           176:        "#0x12",
        !           177:        "missing diagnostic jumper",
        !           178:        "invalid link pointer",
        !           179:        "unexpected file mark",
        !           180:        "invalid byte count/parameter",
        !           181:        "#0x17",
        !           182:        "unidentified hardware error",
        !           183:        "streaming terminated"
        !           184: };
        !           185: #define        NCYERROR        (sizeof (cyerror) / sizeof (cyerror[0]))
        !           186: #endif
        !           187: 
        !           188: /*
        !           189:  * Masks defining hard and soft errors (must check against 1<<CYER_code).
        !           190:  */
        !           191: #define        CYMASK(e)       (1 << (e))
        !           192: #define        CYBIT(e)        (1<<(CYER_/**/e))
        !           193: #define        CYER_HARD       (CYBIT(TIMOUT)|CYBIT(TIMOUT1)|CYBIT(TIMOUT2)|\
        !           194:     CYBIT(TIMOUT3)|CYBIT(TIMOUT4)|CYBIT(NXM)|CYBIT(DIAG)|CYBIT(JUMPER)|\
        !           195:     CYBIT(STROBE)|CYBIT(PROT)|CYBIT(CKSUM)|CYBIT(HERR)|CYBIT(BLANK))
        !           196: #define        CYER_RSOFT      (CYBIT(FIFO)|CYBIT(NOTRDY)|CYBIT(PARITY))
        !           197: #define        CYER_WSOFT      (CYBIT(HERR)|CYBIT(FIFO)|CYBIT(NOTRDY)|CYBIT(PARITY))

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.