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

/*
 * Copyright (c) 1991 University of Utah.
 * Copyright (c) 1990, 1993
 *      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 $Hdr: acioctl.h 1.1 91/06/19$
 *
 *      @(#)acioctl.h   8.1 (Berkeley) %G%
 */

struct acinfo {
        short   fmte;           /* 1st medium transport elt (picker) */
        short   nmte;           /* # medium transport elts */
        short   fse;            /* 1st storage elt (slot) */
        short   nse;            /* # storage elts */
        short   fiee;           /* 1st import/export elt (mailslot) */
        short   niee;           /* # import/export elts */
        short   fdte;           /* 1st data transport elt (drive) */
        short   ndte;           /* # data transport elts */
};

struct aceltstat {
        short   eaddr;          /* element adress */
        char    type;           /* type of element */
        char    flags;          /* flags */
};

/* types */
#define AC_MTE          0x01    /* picker */
#define AC_SE           0x02    /* slot */
#define AC_IEE          0x03    /* mailslot */
#define AC_DTE          0x04    /* drive */
/* flags */
#define AC_FULL         0x01    /* media present */
#define AC_ERROR        0x04    /* error accessing element */
#define AC_ACCESS       0x08    /* element accessible */
#define AC_INVERT       0x80    /* media inverted prior to insertion */

struct acmove {
        short   srcelem;
        short   dstelem;
        short   flags;
};

struct acbuffer {
        char    *bufptr;
        int     buflen;
};

#define ACIOCINIT       _IO('A', 0x1)                   /* init elt status */
#define ACIOCGINFO      _IOR('A', 0x2, struct acinfo)   /* mode sense */
#define ACIOCGSTAT      _IOW('A', 0x3, struct acbuffer) /* read elem status */
#define ACIOCMOVE       _IOW('A', 0x4, struct acmove)   /* move elem */
#define ACIOCRAWES      _IOW('A', 0x5, struct acbuffer) /* raw element stat */