ata-disk.h

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    1 /*-
    2  * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer,
   10  *    without modification, immediately at the beginning of the file.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/8.4/sys/dev/ata/ata-disk.h 178067 2008-04-10 13:05:05Z sos $
   27  */
   28 
   29 /* structure describing an ATA disk */
   30 struct ad_softc {  
   31     u_int64_t                   total_secs;     /* total # of sectors (LBA) */
   32     u_int8_t                    heads;
   33     u_int8_t                    sectors;
   34     u_int32_t                   transfersize;   /* size of each transfer */
   35     int                         num_tags;       /* number of tags supported */
   36     int                         flags;          /* drive flags */
   37 #define         AD_F_LABELLING          0x0001
   38 #define         AD_F_CHS_USED           0x0002
   39 #define         AD_F_32B_ENABLED        0x0004
   40 #define         AD_F_TAG_ENABLED        0x0008
   41 #define         AD_F_RAID_SUBDISK       0x0010
   42 
   43     struct disk                 *disk;          /* disklabel/slice stuff */
   44 };
   45 
   46 extern devclass_t ad_devclass;
   47

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FreeBSD/Linux Kernel Cross Reference sys/dev/ata/ata-disk.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ata/ata-disk.h