usr/src/sys/hp300/dev/ctreg.h

/*
 * Copyright (c) 1982, 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)ctreg.h     8.1 (Berkeley) %G%
 */

struct  ct_iocmd {
        char    unit;
        char    saddr;
        short   addr0;
        long    addr;
        char    nop2;
        char    slen;
        long    len;
        char    nop3;
        char    cmd;
};

struct  ct_rscmd {
        char    unit;
        char    cmd;
};

struct  ct_stat {
        char    c_vu;
        char    c_pend;
        short   c_ref;
        short   c_fef;
        short   c_aef;
        short   c_ief;
        short   c_blk0;
        long    c_blk;
        char    c_pad[4];
};

struct  ct_ssmcmd {
        char    unit;
        char    cmd;
        short   refm;
        short   fefm;
        short   aefm;
        short   iefm;
};

struct  ct_srcmd {
        char    unit;
        char    nop;
        char    cmd;
        char    param;
};

struct  ct_soptcmd {
        char    unit;
        char    nop;
        char    cmd;
        char    opt;
};

struct  ct_ulcmd {
        char    unit;
        char    cmd;
};

struct  ct_wfmcmd {
        char    unit;
        char    cmd;
};

struct  ct_clearcmd {
        char    unit;
        char    cmd;
};

struct ct_describe {
        u_int   d_iuw:16,       /* controller: installed unit word */
                d_cmaxxfr:16,   /* controller: max transfer rate (Kb) */
                d_ctype:8,      /* controller: controller type */
                d_utype:8,      /* unit: unit type */
                d_name:24,      /* unit: name (6 BCD digits) */
                d_sectsize:16,  /* unit: # of bytes per block (sector) */
                d_blkbuf:8,     /* unit: # of blocks which can be buffered */
                d_burstsize:8,  /* unit: recommended burst size */
                d_blocktime:16, /* unit: block time (u-sec) */
                d_uavexfr:16,   /* unit: average transfer rate (Kb) */
                d_retry:16,     /* unit: optimal retry time (1/100-sec) */
                d_access:16,    /* unit: access time param (1/100-sec) */
                d_maxint:8,     /* unit: maximum interleave */
                d_fvbyte:8,     /* unit: fixed volume byte */
                d_rvbyte:8,     /* unit: removeable volume byte */
                d_maxcyl:24,    /* volume: maximum cylinder */
                d_maxhead:8,    /* volume: maximum head */
                d_maxsect:16,   /* volume: maximum sector on track */
                d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */
                d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */
                d_interleave:8; /* volume: current interleave */
 };

#define CT7946ID        0x220
#define CT9145ID        0x268
#define CT9144ID        0x260
#define CT9144          0
#define CT7912PID       0x209
#define CT7914PID       0x20B
#define CT88140         1

/* convert bytes to 1k tape block and back */
#define CTBTOK(x)       ((x) >> 10)
#define CTKTOB(x)       ((x) << 10)

#define CTCTLR          15

#define REF_MASK        0x0
#define FEF_MASK        0x0
#define AEF_MASK        0x0
#define IEF_MASK        0xF970

#define FEF_PF          0x0002
#define FEF_REXMT       0x0001
#define AEF_EOF         0x0010
#define AEF_EOV         0x0008

#define C_READ          0x00
#define C_WRITE         0x02
#define C_CLEAR         0x08
#define C_STATUS        0x0d
#define C_SADDR         0x10
#define C_SLEN          0x18
#define C_SUNIT(x)      (0x20 | (x))
#define C_SVOL(x)       (0x40 | (x))
#define C_NOP           0x34
#define C_DESC          0x35
#define C_SOPT          0x38
#define C_SREL          0x3b
#define C_SSM           0x3e
#define C_WFM           0x49
#define C_UNLOAD        0x4a
#define C_REL           0x140

#define C_CMD           0x05
#define C_EXEC          0x0e
#define C_QSTAT         0x10
#define C_TCMD          0x12

#define C_CC            1
#define C_SKSPAR        2
#define C_OPT           4
#define C_SPAR          4
#define C_IMRPT         8