ata-disk.h

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    1 /*-
    2  * Copyright (c) 1998 - 2004 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  * 3. The name of the author may not be used to endorse or promote products
   15  *    derived from this software without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   27  *
   28  * $FreeBSD$
   29  */
   30 
   31 /* structure describing an ATA disk */
   32 struct ad_softc {  
   33     struct ata_device           *device;        /* ptr to device softc */
   34     int                         lun;            /* logical unit number */
   35     u_int64_t                   total_secs;     /* total # of sectors (LBA) */
   36     u_int8_t                    heads;
   37     u_int8_t                    sectors;
   38     u_int32_t                   transfersize;   /* size of each transfer */
   39     int                         num_tags;       /* number of tags supported */
   40     int                         max_iosize;     /* max transfer HW supports */
   41     int                         flags;          /* drive flags */
   42 #define         AD_F_LABELLING          0x0001          
   43 #define         AD_F_CHS_USED           0x0002
   44 #define         AD_F_32B_ENABLED        0x0004
   45 #define         AD_F_TAG_ENABLED        0x0008
   46 #define         AD_F_RAID_SUBDISK       0x0010
   47 
   48     struct mtx                  queue_mtx;      /* bio queue lock */
   49     struct bio_queue_head       queue;          /* head of request queue */
   50     struct disk                 *disk;          /* disklabel/slice stuff */
   51 };

Cache object: 53253c7ac1469e6bf395b7a703778876

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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