The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/fdio.h

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    1 /*      $NetBSD: fdio.h,v 1.3 1998/09/13 14:46:24 christos Exp $        */
    2 
    3 /*-
    4  * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by John Kohl.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *      This product includes software developed by the NetBSD
   21  *      Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 #ifndef _SYS_FDIO_H_
   40 #define _SYS_FDIO_H_
   41 
   42 #include <sys/ioccom.h>
   43 
   44 /* Floppy diskette definitions */
   45 
   46 enum fdformat_result {
   47         FDFORMAT_SUCCESS,
   48         FDFORMAT_MEDIA_ERROR,           /* hardware reported a formatting
   49                                            error */
   50         FDFORMAT_CONFIG_ERROR           /* something bogus in parameters */
   51 };
   52 
   53 #define FDFORMAT_VERSION 19961120
   54 
   55 struct fdformat_cmd {
   56         u_int formatcmd_version;        /* FDFORMAT_VERSION */
   57         int head;               /* IN */
   58         int cylinder;           /* IN */
   59 };
   60 
   61 struct fdformat_parms {
   62 /* list of items taken from i386 formatting glop (NEC 765);
   63    should be made the union of support needed for other devices. */
   64     u_int fdformat_version;     /* rev this when needed; write drivers to
   65                                    allow forward compatibility, please,
   66                                    and add elements to the end of the
   67                                    structure */
   68     u_int nbps;                         /* number of bytes per sector */
   69     u_int ncyl;                         /* number of cylinders */
   70     u_int nspt;                         /* sectors per track */
   71     u_int ntrk;                         /* number of heads/tracks per cyl */
   72     u_int stepspercyl;                  /* steps per cylinder */
   73     u_int gaplen;                       /* formatting gap length */
   74     u_int fillbyte;                     /* formatting fill byte */
   75     u_int xfer_rate;                    /* in bits per second; driver
   76                                            must convert */
   77     u_int interleave;                   /* interleave factor */
   78 };
   79 
   80 
   81 #define FDOPT_NORETRY 0x0001    /* no retries on failure (cleared on close) */
   82 #define FDOPT_SILENT  0x0002    /* no error messages (cleared on close) */
   83 
   84 #define FDIOCGETOPTS  _IOR('d', 114, int) /* drive options, see previous */
   85 #define FDIOCSETOPTS  _IOW('d', 115, int)
   86 
   87 #define FDIOCSETFORMAT _IOW('d', 116, struct fdformat_parms) /* set format parms */
   88 #define FDIOCGETFORMAT _IOR('d', 117, struct fdformat_parms) /* get format parms */
   89 #define FDIOCFORMAT_TRACK _IOW('d', 118, struct fdformat_cmd) /* do it */
   90 
   91 #endif /* _SYS_FDIO_H_ */

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