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

/*
 * Copyright (c) 1991 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * %sccs.include.redist.c%
 *
 * from: Utah $Hdr: acvar.h 1.1 91/06/19$
 *
 *      @(#)acvar.h     7.1 (Berkeley) %G%
 */

struct  ac_softc {
        struct  hp_device *sc_hd;
        int     sc_flags;
        struct  buf *sc_bp;
        struct  scsi_fmt_cdb *sc_cmd;
        struct  acinfo sc_einfo;
        short   sc_punit;
        short   sc_picker;
        struct  devqueue sc_dq;
};

#define ACF_ALIVE       0x01
#define ACF_OPEN        0x02
#define ACF_ACTIVE      0x04

#define ACCMD_INITES    0x07
#define ACCMD_MODESENSE 0x1A
#define ACCMD_READES    0xB8
#define ACCMD_MOVEM     0xA5

struct  ac_restathdr {
        short   ac_felt;        /* first element reported */
        short   ac_nelt;        /* number of elements reported */
        long    ac_bcount;      /* length of report (really only 24 bits) */
};

struct  ac_restatphdr {
        char    ac_type;        /* type code */
        char    ac_res;
        short   ac_dlen;        /* element descriptor length */
        long    ac_bcount;      /* byte count (really only 24 bits) */
};

struct  ac_restatdb {
        short   ac_eaddr;       /* element address */
        u_int   ac_res1:2,
                ac_ie:1,        /* import enabled (IEE only) */
                ac_ee:1,        /* export enabled (IEE only) */
                ac_acc:1,       /* accessible from MTE */
                ac_exc:1,       /* element in abnormal state */
                ac_imp:1,       /* 1 == user inserted medium (IEE only) */
                ac_full:1;      /* element contains media */
};