sys/arch/ews4800mips/include/pdinfo.h

   1 /*      $NetBSD: pdinfo.h,v 1.2 2007/02/21 22:59:41 thorpej Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by UCHIYAMA Yasushi.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _EWS4800MIPS_PDINFO_H_
  33 #define _EWS4800MIPS_PDINFO_H_
  34
  35 /* Phisical Disk INFOrmation */
  36
  37 #define PDINFO_SECTOR           8               /* sector */
  38 #define PDINFO_MAGIC            0xca5e600d
  39 #define PDINFO_VERSION          2
  40
  41 struct disk_geometory {
  42         uint32_t cylinders_per_drive;           /* 24 */
  43         uint32_t tracks_per_cylinder;           /* 28 */
  44         uint32_t sectors_per_track;             /* 32 */
  45         uint32_t bytes_per_sector;              /* 36 */
  46 } __attribute__((__packed__));
  47
  48 /* UX internal use */
  49 struct disk_ux {
  50         uint32_t errorlog_sector;               /* 44 */
  51         uint32_t errorlog_size_byte;            /* 48 */
  52         uint32_t mfg_sector;                    /* 52 */
  53         uint32_t mfg_size_byte;                 /* 56 */
  54         uint32_t defect_sector;                 /* 60 */
  55         uint32_t defect_size_byte;              /* 64 */
  56         uint32_t n_relocation_area;             /* 68 */
  57         uint32_t relocation_area_sector;        /* 72 */
  58         uint32_t relocation_area_size_byte;     /* 76 */
  59         uint32_t next_relocation_area;          /* 80 */
  60         uint32_t diag_sector;                   /* 84 */
  61         uint32_t diag_size;                     /* 88 */
  62         uint32_t gap_size;                      /* 92 */
  63 } __attribute__((__packed__));
  64
  65 /* Sector image */
  66 struct pdinfo_sector {
  67         uint32_t drive_id;                      /* 0 */
  68         uint32_t magic;                         /* 4 */
  69         uint32_t version;                       /* 8 */
  70         int8_t device_serial_number[12];        /* 12 */
  71         struct disk_geometory geometory;        /* 24 */
  72         uint32_t logical_sector;                /* 40 */
  73         struct disk_ux ux;                      /* 44 */
  74         uint32_t device_depend[104];            /* 96 */
  75 } __attribute__((__packed__));                  /* 512 byte */
  76
  77 #if defined(_KERNEL) || defined(_STANDALONE)
  78 bool pdinfo_sector(void *, struct pdinfo_sector *);
  79 bool pdinfo_sanity(const struct pdinfo_sector *);
  80 bool pdinfo_valid(const struct pdinfo_sector *);
  81 #endif
  82
  83 #endif /* _EWS4800MIPS_PDINFO_H_ */