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 1.6 2016/01/23 01:26:14 dholland 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  *
   19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 #ifndef _SYS_FDIO_H_
   33 #define _SYS_FDIO_H_
   34 
   35 #include <sys/ioccom.h>
   36 
   37 /* Floppy diskette definitions */
   38 
   39 enum fdformat_result {
   40         FDFORMAT_SUCCESS,
   41         FDFORMAT_MEDIA_ERROR,           /* hardware reported a formatting
   42                                            error */
   43         FDFORMAT_CONFIG_ERROR           /* something bogus in parameters */
   44 };
   45 
   46 #define FDFORMAT_VERSION 19961120
   47 
   48 struct fdformat_cmd {
   49         unsigned int formatcmd_version; /* FDFORMAT_VERSION */
   50         int head;               /* IN */
   51         int cylinder;           /* IN */
   52 };
   53 
   54 struct fdformat_parms {
   55 /* list of items taken from i386 formatting glop (NEC 765);
   56    should be made the union of support needed for other devices. */
   57     unsigned int fdformat_version;/* rev this when needed; write drivers to
   58                                    allow forward compatibility, please,
   59                                    and add elements to the end of the
   60                                    structure */
   61     unsigned int nbps;                  /* number of bytes per sector */
   62     unsigned int ncyl;                  /* number of cylinders */
   63     unsigned int nspt;                  /* sectors per track */
   64     unsigned int ntrk;                  /* number of heads/tracks per cyl */
   65     unsigned int stepspercyl;           /* steps per cylinder */
   66     unsigned int gaplen;                /* formatting gap length */
   67     unsigned int fillbyte;              /* formatting fill byte */
   68     unsigned int xfer_rate;             /* in bits per second; driver
   69                                            must convert */
   70     unsigned int interleave;            /* interleave factor */
   71 };
   72 
   73 
   74 #define FDOPT_NORETRY 0x0001    /* no retries on failure (cleared on close) */
   75 #define FDOPT_SILENT  0x0002    /* no error messages (cleared on close) */
   76 
   77 #define FDIOCGETOPTS  _IOR('d', 114, int) /* drive options, see previous */
   78 #define FDIOCSETOPTS  _IOW('d', 115, int)
   79 
   80 #define FDIOCSETFORMAT _IOW('d', 116, struct fdformat_parms) /* set format parms */
   81 #define FDIOCGETFORMAT _IOR('d', 117, struct fdformat_parms) /* get format parms */
   82 #define FDIOCFORMAT_TRACK _IOW('d', 118, struct fdformat_cmd) /* do it */
   83 
   84 #endif /* _SYS_FDIO_H_ */

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