usr/src/sys/vaxuba/tsreg.h

/*      tsreg.h 6.1     83/07/29        */

/*
 * TS11 controller registers
 */
struct  tsdevice {
        u_short tsdb;           /* data buffer */
        u_short tssr;           /* status register */
};

/* Bits in (unibus) status register */
#define TS_SC   0100000         /* special condition (error) */
#define TS_UPE  0040000         /* Unibus parity error */
#define TS_SPE  0020000         /* serial bus parity error */
#define TS_RMR  0010000         /* register modification refused */
#define TS_NXM  0004000         /* nonexistant memory */
#define TS_NBA  0002000         /* need buffer address */
#define TS_XMEM 0001400         /* Unibus xmem bits */
#define TS_SSR  0000200         /* subsytem ready */
#define TS_OFL  0000100         /* off-line */
#define TS_FTC  0000060         /* fatal termination class */
#define TS_TC   0000016         /* termination class */

#define TS_SUCC 000             /* successful termination */
#define TS_ATTN 002             /* attention */
#define TS_ALERT 004            /* tape status alert */
#define TS_REJECT 06            /* function reject */
#define TS_RECOV 010            /* recoverable error */
#define TS_RECNM 012            /* recoverable error, no tape motion */
#define TS_UNREC 014            /* unrecoverable error */
#define TS_FATAL 016            /* fatal error */

#define TSSR_BITS       \
"\10\20SC\17UPE\16SPE\15RMR\14NXM\13NBA\12A17\11A16\10SSR\
\7OFL\6FC1\5FC0\4TC2\3TC1\2TC0\1-"

#define b_repcnt        b_bcount
#define b_command       b_resid

/* status message */
struct  ts_sts {
        u_short s_sts;          /* packet header */
        u_short s_len;          /* packet length */
        u_short s_rbpcr;        /* residual frame count */
        u_short s_xs0;          /* extended status 0 - 3 */
        u_short s_xs1;
        u_short s_xs2;
        u_short s_xs3;
};

/* Error codes in xstat 0 */
#define TS_TMK  0100000         /* tape mark detected */
#define TS_RLS  0040000         /* record length short */
#define TS_LET  0020000         /* logical end of tape */
#define TS_RLL  0010000         /* record length long */
#define TS_WLE  0004000         /* write lock error */
#define TS_NEF  0002000         /* non-executable function */
#define TS_ILC  0001000         /* illegal command */
#define TS_ILA  0000400         /* illegal address */
#define TS_MOT  0000200         /* capstan is moving */
#define TS_ONL  0000100         /* on-line */
#define TS_IES  0000040         /* interrupt enable status */
#define TS_VCK  0000020         /* volume check */
#define TS_PED  0000010         /* phase-encoded drive */
#define TS_WLK  0000004         /* write locked */
#define TS_BOT  0000002         /* beginning of tape */
#define TS_EOT  0000001         /* end of tape */

#define TSXS0_BITS      \
"\10\20TMK\17RLS\16LET\15RLL\14WLE\13NEF\12ILC\11ILA\10MOT\
\7ONL\6IES\5VCK\4PED\3WLK\2BOT\1EOT"

/* Error codes in xstat 1 */
#define TS_DLT  0100000         /* data late */
#define TS_COR  0020000         /* correctable data */
#define TS_CRS  0010000         /* crease detected */
#define TS_TIG  0004000         /* trash in the gap */
#define TS_DBF  0002000         /* deskew buffer full */
#define TS_SCK  0001000         /* speed check */
#define TS_IPR  0000200         /* invalid preamble */
#define TS_SYN  0000100         /* synchronization failure */
#define TS_IPO  0000040         /* invalid postamble */
#define TS_IED  0000020         /* invalid end of data */
#define TS_POS  0000010         /* postamble short */
#define TS_POL  0000004         /* postamble long */
#define TS_UNC  0000002         /* uncorrectable data */
#define TS_MTE  0000001         /* multitrack error */

#define TSXS1_BITS      \
"\10\20DLT\17-\16COR\15CRS\14TIG\13DBF\12SCK\11-\10IPR\
\7SYN\6IPO\5IED\4POS\3POL\2UNC\1MTE"

/* Error codes in xstat 2 */
#define TS_OPM  0100000         /* operation in progress */
#define TS_SIP  0040000         /* silo parity error */
#define TS_BPE  0020000         /* serial bus parity error */
#define TS_CAF  0010000         /* capstan acceleration failure */
#define TS_WCF  0002000         /* write card fail */
#define TS_DTP  0000400         /* dead track parity */
#define TS_DT   0000377         /* dead tracks */

#define TSXS2_BITS      \
"\10\20OPM\17SIP\16BPE\15CAF\14-\13WCF\12-\11DTP"

/* Error codes in xstat 3 */
#define TS_MEC  0177400         /* microdiagnostic error code */
#define TS_LMX  0000200         /* limit exceeded */
#define TS_OPI  0000100         /* operation incomplete */
#define TS_REV  0000040         /* reverse */
#define TS_CRF  0000020         /* capstan response fail */
#define TS_DCK  0000010         /* density check */
#define TS_NOI  0000004         /* noise record */
#define TS_LXS  0000002         /* limit exceeded statically */
#define TS_RIB  0000001         /* reverse into BOT */

#define TSXS3_BITS      \
"\10\10LMX\7OPI\6REV\5CRF\4DCK\3NOI\2LXS\1RIB"


/* command message */
struct ts_cmd {
        u_short c_cmd;          /* command */
        u_short c_loba;         /* low order buffer address */
        u_short c_hiba;         /* high order buffer address */
#define c_repcnt c_loba
        u_short c_size;         /* byte count */
};

/* commands and command bits */
#define TS_ACK          0100000         /* ack - release command packet */
#define TS_CVC          0040000         /* clear volume check */
#define TS_IE           0000200
#define TS_RCOM         0000001
#define TS_REREAD       0001001         /* read data retry */
#define TS_SETCHR       0000004         /* set characteristics */
#define TS_WCOM         0000005
#define TS_REWRITE      0001005         /* write data retry */
#define TS_RETRY        0001000         /* retry bit for read and write */
#define TS_SFORW        0000010         /* forward space record */
#define TS_SREV         0000410         /* reverse space record */
#define TS_SFORWF       0001010         /* forward space file */
#define TS_SREVF        0001410         /* reverse space file */
#define TS_REW          0002010         /* rewind */
#define TS_OFFL         0000412         /* unload */
#define TS_WEOF         0000011         /* write tape mark */
#define TS_SENSE        0000017         /* get status */

/* characteristics data */
struct ts_char {
        long    char_addr;              /* address of status packet */
        u_short char_size;              /* its size */
        u_short char_mode;              /* characteristics */
};


/* characteristics */
#define TS_ESS  0200            /* enable skip tape marks stop */
#define TS_ENB  0100            /* ??? */
#define TS_EAI  0040            /* enable attention interrupts */
#define TS_ERI  0020            /* enable message buffer release interrupts */