atapi-fd.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 /* ATAPI Rewriteable drive Capabilities and Mechanical Status Page */
   32 struct afd_cappage {
   33     u_int16_t   data_length;
   34     u_int8_t    medium_type;
   35 #define MFD_2DD_UN              0x10
   36 #define MFD_2DD                 0x11
   37 #define MFD_HD_UN               0x20
   38 #define MFD_HD_12_98            0x22
   39 #define MFD_HD_12               0x23
   40 #define MFD_HD_144              0x24
   41 #define MFD_UHD                 0x31
   42 
   43 #define MFD_UNKNOWN             0x00
   44 #define MFD_NO_DISC             0x70
   45 #define MFD_DOOR_OPEN           0x71
   46 #define MFD_FMT_ERROR           0x72
   47 
   48     u_int8_t    reserved0       :7;
   49     u_int8_t    wp              :1;             /* write protect */
   50     u_int8_t    unused[4];
   51 
   52     /* capabilities page */
   53     u_int8_t    page_code       :6;
   54 #define ATAPI_REWRITEABLE_CAP_PAGE        0x05
   55 
   56     u_int8_t    reserved1_6     :1;
   57     u_int8_t    ps              :1;             /* page save supported */
   58     u_int8_t    page_length;                    /* page length */
   59     u_int16_t   transfer_rate;                  /* in kilobits per second */
   60     u_int8_t    heads;                          /* number of heads */
   61     u_int8_t    sectors;                        /* number of sectors pr track */
   62     u_int16_t   sector_size;                    /* number of bytes per sector */
   63     u_int16_t   cylinders;                      /* number of cylinders */
   64     u_int8_t    reserved10[10];
   65     u_int8_t    motor_delay;                    /* motor off delay */
   66     u_int8_t    reserved21[7];
   67     u_int16_t   rpm;                            /* rotations per minute */
   68     u_int8_t    reserved30[2];
   69 };
   70 
   71 struct afd_softc {
   72     struct ata_device           *device;        /* device softc */
   73     int                         lun;            /* logical device unit */
   74     struct mtx                  queue_mtx;      /* bio queue lock */
   75     struct bio_queue_head       queue;          /* queue of i/o requests */
   76     struct afd_cappage          cap;            /* capabilities page info */
   77     struct disk                 *disk;          /* virtual drives */
   78 };
   79

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

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