sys/dev/disk/ata/atapi-fd.h

   1 /*-
   2  * Copyright (c) 1998,1999,2000,2001,2002 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: src/sys/dev/ata/atapi-fd.h,v 1.10.2.5 2002/07/31 11:19:26 sos Exp $
  29  * $DragonFly: src/sys/dev/disk/ata/atapi-fd.h,v 1.4 2006/09/10 01:26:33 dillon Exp $
  30  */
  31
  32 /* ATAPI Rewriteable drive Capabilities and Mechanical Status Page */
  33 struct afd_cappage {
  34     u_int16_t   data_length;
  35     u_int8_t    medium_type;
  36 #define MFD_2DD_UN              0x10
  37 #define MFD_2DD                 0x11
  38 #define MFD_HD_UN               0x20
  39 #define MFD_HD_12_98            0x22
  40 #define MFD_HD_12               0x23
  41 #define MFD_HD_144              0x24
  42 #define MFD_UHD                 0x31
  43
  44 #define MFD_UNKNOWN             0x00
  45 #define MFD_NO_DISC             0x70
  46 #define MFD_DOOR_OPEN           0x71
  47 #define MFD_FMT_ERROR           0x72
  48
  49     u_int8_t    reserved0       :7;
  50     u_int8_t    wp              :1;             /* write protect */
  51     u_int8_t    unused[4];
  52
  53     /* capabilities page */
  54     u_int8_t    page_code       :6;
  55 #define ATAPI_REWRITEABLE_CAP_PAGE        0x05
  56
  57     u_int8_t    reserved1_6     :1;
  58     u_int8_t    ps              :1;             /* page save supported */
  59     u_int8_t    page_length;                    /* page length */
  60     u_int16_t   transfer_rate;                  /* in kilobits per second */
  61     u_int8_t    heads;                          /* number of heads */
  62     u_int8_t    sectors;                        /* number of sectors pr track */
  63     u_int16_t   sector_size;                    /* number of bytes per sector */
  64     u_int16_t   cylinders;                      /* number of cylinders */
  65     u_int8_t    reserved10[10];
  66     u_int8_t    motor_delay;                    /* motor off delay */
  67     u_int8_t    reserved21[7];
  68     u_int16_t   rpm;                            /* rotations per minute */
  69     u_int8_t    reserved30[2];
  70 };
  71
  72 struct afd_softc {
  73     struct ata_device           *device;        /* device softc */
  74     int                         lun;            /* logical device unit */
  75     struct bio_queue_head       bio_queue;      /* queue of i/o requests */
  76     struct afd_cappage          cap;            /* capabilities page info */
  77     struct disk                 disk;           /* virtual drives */
  78     struct devstat              stats;
  79     cdev_t                      dev;            /* device place holder */
  80 };
  81