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Annotation of cci/sys/vba/cipher.h, revision 1.1

1.1     ! root        1: /* get controller attention and start an operation */
        !             2: #define CY_ATTENTION(addr) movob(0xff,addr)    /* also known as: GO */
        !             3: #define CY_RESET(addr)    CY_ATTENTION(addr+1) /* reset controller */
        !             4: #define CYUNIT(d)        (minor(d) & 0xf)
        !             5: 
        !             6: #define MULTIBUS_SHORT(x) (short)((((x)>>8)&0xff) | (((x)<<8)&0xff00))
        !             7: 
        !             8: #define        NORMAL_INTERUPT 0x11
        !             9: #define        CLEAR_INTERUPT  0x09
        !            10: 
        !            11: #define        T_NOREWIND      0x80
        !            12: 
        !            13: 
        !            14: /* Tape Parameter Block definitions */
        !            15: typedef struct {
        !            16:        long            cmd;            /* Command */
        !            17:        short           control;        /* Control */
        !            18:        short           count;          /* Return count */
        !            19:        short           size;           /* Buffer size */
        !            20:        short           rec_over;       /* Records/Overrun */
        !            21:        char            *data_ptr;      /* Pointer to source/dest */
        !            22:        short           status;         /* Status */
        !            23:        short           link_ptr[2];    /* Pointer to next parameter block */
        !            24: } fmt_tpb;
        !            25: 
        !            26: /* Controller commands */
        !            27: 
        !            28: /* Group. I Control status/commands */
        !            29: #define        CONFIG  (0x00000000L)   /* configure */
        !            30: #define        SET_PA  (0x08000000L)   /* set page */
        !            31: #define        NO_OP   (0x20000000L)   /* no operation */
        !            32: #define        DRIVE_S (0x28000000L)   /* drive status */
        !            33: #define        TAPE_AS (0x74000000L)   /* tape assign */
        !            34: #define        DRIVE_R (0x90000000L)   /* drive reset */
        !            35: 
        !            36: /* Group. II Tape position commands */
        !            37: #define        REWD_OV (0x04000000L)   /* rewind overlapped */
        !            38: #define        READ_FO (0x1C000000L)   /* read foreign tape */
        !            39: #define        REWD_TA (0x34000000L)   /* rewind tape */
        !            40: #define        OFF_UNL (0x38000000L)   /* off_line and unload */
        !            41: #define        WRIT_FM (0x40000000L)   /* write filemark */
        !            42: #define        SERH_FM (0x44000000L)   /* search filemark */
        !            43: #define        SRFM_FD (0x44000000L)   /* search filemark forward */
        !            44: #define        SRFM_BK (0xC4000000L)   /* search filemark backward */
        !            45: #define        SPACE   (0x48000000L)   /* skip record */
        !            46: #define        SP_FORW (0x48000000L)   /* space forward */
        !            47: #define        SP_BACK (0xC8000000L)   /* space backwords */
        !            48: #define        ERASE_F (0x4C000000L)   /* erase fixed length */
        !            49: #define        ERASE_T (0x50000000L)   /* erase to end of tape */
        !            50: #define        SPAC_FM (0x70000000L)   /* space filemark */
        !            51: #define        SP_FM_F (0x70000000L)   /* space filemark forward */
        !            52: #define        SP_FM_B (0xC9000000L)   /* space filemark backward */
        !            53: #define        SERH_MU (0x94000000L)   /* search multiple filemarks */
        !            54: 
        !            55: /* Group. III Data transfer commands */
        !            56: #define        READ_BU (0x10000000L)   /* read buffered */
        !            57: #define        WRIT_BU (0x14000000L)   /* write buffered */
        !            58: #define        EDIT_BU (0x18000000L)   /* edit buffered */
        !            59: #define        READ_TA (0x2C000000L)   /* read tape */
        !            60: #define        WRIT_TA (0x30000000L)   /* write tape */
        !            61: #define        EDIT_TA (0x3C000000L)   /* edit tape */
        !            62: #define        READ_ST (0x60000000L)   /* read streaming */
        !            63: #define        WRIT_ST (0x64000000L)   /* write streaming */
        !            64: 
        !            65: /* Group. IV Special commands */
        !            66: #define        EXCHANG (0x0C000000L)   /* exchange system and tapemaster RAM */
        !            67: #define        BLOCK_M (0x80000000L)   /* block move */
        !            68: 
        !            69: /* Group. V Diagnostic commands */
        !            70: #define        TEST_SH (0x54000000L)   /* short memory test */
        !            71: #define        TEST_LG (0x58000000L)   /* long memory test */
        !            72: #define        TEST_CN (0x5C000000L)   /* controller confidence test */
        !            73: #define        TEST_RW (0x68000000L)   /* test read/write timeing */
        !            74: 
        !            75: 
        !            76: /* Control field bit definitions */
        !            77: #define        CW_UNIT         (0x000c<<8) /* tape select mask, 2 bit field */
        !            78: #define        CW_MAIL         (0x0010<<8) /* mailbox flag */
        !            79: #define        CW_INTR         (0x0020<<8) /* interrupt flag */
        !            80: #define        CW_LINK         (0x0040<<8) /* link flag */
        !            81: #define        CW_LOCK         (0x0080<<8) /* bus lock flag */
        !            82: #define        CW_BANK         (0x0100>>8) /* bank select */
        !            83: #define        CW_REV          (0x0400>>8) /* reverse flag */
        !            84: #define        CW_SPEED        (0x0800>>8) /* speed/density */
        !            85: #define            CW_25ips    0
        !            86: #define            CW_100ips   (0x0800>>8)
        !            87: #define        CW_STREAM       (0x1000>>8) /* continuous */
        !            88: #define        CW_WIDTH        (0x8000>>8) /* width */
        !            89: #define            CW_8bits    0
        !            90: #define            CW_16bits   (0x8000>>8)
        !            91: 
        !            92: 
        !            93: /* Status field bit definitions */
        !            94: #define        CS_P    (0x0002<<8)     /* Protected, no write ring */
        !            95: #define        CS_FB   (0x0004<<8)     /* formatter busy */
        !            96: #define        CS_RDY  (0x0008<<8)     /* drive ready */
        !            97: #define        CS_EOT  (0x0010<<8)     /* end of tape detected */
        !            98: #define        CS_LP   (0x0020<<8)     /* tape is at load point */
        !            99: #define        CS_OL   (0x0040<<8)     /* drive on_line */
        !           100: #define        CS_FM   (0x0080<<8)     /* Filemark detected */
        !           101: #define        CS_ERm  (0x1F00>>8)     /* Error value mask */
        !           102: #define        CS_CR   (0x2000>>8)     /* Controller executed retries */
        !           103: #define        CS_CC   (0x4000>>8)     /* Command Completed successfully */
        !           104: #define        CS_CE   (0x8000>>8)     /* Command execution has begun */
        !           105: 
        !           106: 
        !           107: /* Error value definitions for CS_ERm field */
        !           108: #define        ER_TIMOUT       (0x01)  /* timed out data busy false */
        !           109: #define        ER_TIMOUT1      (0x02)  /* data busy false,formatter,ready */
        !           110: #define        ER_TIMOUT2      (0x03)  /* time out ready busy false */
        !           111: #define        ER_TIMOUT3      (0x04)  /* time out ready busy true */
        !           112: #define        ER_TIMOUT4      (0x05)  /* time out data busy true */
        !           113: #define        ER_NEX          (0x06)  /* time out memory */
        !           114: #define        ER_BLANK        (0X07)  /* blank tape */
        !           115: #define        ER_DIAG         (0x08)  /* micro-diagnostic */
        !           116: #define        ER_EOT          (0x09)  /* EOT forward, BOT rev. */
        !           117: #define        ER_HARD         (0x0A)  /* retry unsuccessful */
        !           118: #define        ER_FIFO         (0x0B)  /* FIFO over/under flow */
        !           119: #define        ER_PARITY       (0x0D)  /* drive to tapemaster parity error */
        !           120: #define        ER_CHKSUM       (0x0E)  /* prom checksum */
        !           121: #define        ER_STROBE       (0x0F)  /* time out tape strobe */
        !           122: #define        ER_NOTRDY       (0x10)  /* tape not ready */
        !           123: #define        ER_PROT         (0x11)  /* write, no enable ring */
        !           124: #define        ER_JUMPER       (0x13)  /* missing diagnostic jumper */
        !           125: #define        ER_LINK         (0x14)  /* bad link, link inappropriate */
        !           126: #define        ER_FM           (0x15)  /* unexpected filemark */
        !           127: #define        ER_PARAM        (0x16)  /* bad parameter, byte count ? */
        !           128: #define        ER_HDWERR       (0x18)  /* unidentified hardware error */
        !           129: #define        ER_NOSTRM       (0x19)  /* streaming terminated */
        !           130: 
        !           131: 
        !           132: /* Channel control block definitions */
        !           133: typedef struct {
        !           134:        char    ccw;            /* channel control word */
        !           135:        char    gate;           /* Tpb access gate */
        !           136:        short   tpb_ptr[2];     /* points to first tape parameter block */
        !           137: } fmt_ccb;
        !           138: 
        !           139: #define GATE_OPEN      (char)(0x00)
        !           140: #define GATE_CLOSED    (char)(0xFF)
        !           141: #define NORMAL_INTERUP 0x11   
        !           142: 
        !           143: 
        !           144: 
        !           145: /* System configuration block structrure definitions */
        !           146: typedef struct {
        !           147:        char    fixed_value;    /* 0x03 fixed value code */
        !           148:        char    unused_scb;
        !           149:        short   ccb_ptr[2];     /* pointer to ->CHANNEL CONTROL BLOCK */
        !           150: } fmt_scb;
        !           151: 
        !           152: 
        !           153: /* System configuration pointer structure definitions */
        !           154: typedef struct {
        !           155:        char    bus_size;       /* width of system bus 0=8; 1=16 */
        !           156:        char    unused_scp;
        !           157:        short   scb_ptr[2];     /* pointer to ->SYSTEM CONFIGUREATION BLOCK */
        !           158: } fmt_scp;
        !           159: 
        !           160: #define        _16_BITS        1
        !           161: #define        _8_BITS         0
        !           162: 

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