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

   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: src/sys/dev/ata/atapi-fd.h,v 1.26 2006/03/05 20:30:54 sos Exp $
  27  */
  28
  29 #include <sys/param.h>
  30 #include <sys/devicestat.h>
  31 #include <sys/disk.h>
  32
  33 /* ATAPI Rewriteable drive Capabilities and Mechanical Status Page */
  34 struct afd_capabilities {
  35     u_int16_t   data_length;
  36     u_int8_t    medium_type;
  37 #define MFD_2DD_UN              0x10
  38 #define MFD_2DD                 0x11
  39 #define MFD_HD_UN               0x20
  40 #define MFD_HD_12_98            0x22
  41 #define MFD_HD_12               0x23
  42 #define MFD_HD_144              0x24
  43 #define MFD_UHD                 0x31
  44
  45 #define MFD_UNKNOWN             0x00
  46 #define MFD_NO_DISC             0x70
  47 #define MFD_DOOR_OPEN           0x71
  48 #define MFD_FMT_ERROR           0x72
  49
  50     u_int8_t    reserved0       :7;
  51     u_int8_t    wp              :1;             /* write protect */
  52     u_int8_t    unused[4];
  53
  54     /* capabilities page */
  55     u_int8_t    page_code       :6;
  56 #define ATAPI_REWRITEABLE_CAP_PAGE        0x05
  57
  58     u_int8_t    reserved1_6     :1;
  59     u_int8_t    ps              :1;             /* page save supported */
  60     u_int8_t    page_length;                    /* page length */
  61     u_int16_t   transfer_rate;                  /* in kilobits per second */
  62     u_int8_t    heads;                          /* number of heads */
  63     u_int8_t    sectors;                        /* number of sectors pr track */
  64     u_int16_t   sector_size;                    /* number of bytes per sector */
  65     u_int16_t   cylinders;                      /* number of cylinders */
  66     u_int8_t    reserved10[10];
  67     u_int8_t    motor_delay;                    /* motor off delay */
  68     u_int8_t    reserved21[7];
  69     u_int16_t   rpm;                            /* rotations per minute */
  70     u_int8_t    reserved30[2];
  71 };
  72
  73 struct afd_capacity {
  74     u_int32_t   capacity;
  75     u_int32_t   blocksize;
  76 };
  77
  78 struct afd_capacity_big {
  79     u_int64_t   capacity;
  80     u_int32_t   blocksize;
  81 };
  82
  83 struct afd_softc {
  84     u_int64_t           mediasize;
  85     u_int32_t           heads;
  86     u_int32_t           sectors;
  87     u_int32_t           sectorsize;
  88     struct devstat      stats;
  89     struct disk         disk;                   /* virtual drives */
  90     cdev_t              cdev;                   /* device placeholder */
  91 };