sys/arch/zaurus/stand/zboot/disk.h

   1 /*      $NetBSD$        */
   2 /*      $OpenBSD: disk.h,v 1.1 2005/05/24 20:38:20 uwe Exp $    */
   3
   4 /*
   5  * Copyright (c) 1997 Tobias Weingartner
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  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
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  */
  30
  31 #ifndef _STAND_DISK_H
  32 #define _STAND_DISK_H
  33
  34 #include <sys/disklabel.h>
  35 #include <sys/queue.h>
  36
  37 #define MAXDEVNAME      16
  38
  39 /* XXX snatched from <i386/biosdev.h> */
  40 #if 1
  41 /* Info about disk from the bios, plus the mapping from
  42  * BIOS numbers to BSD major (driver?) number.
  43  *
  44  * Also, do not bother with BIOSN*() macros, just parcel
  45  * the info out, and use it like this.  This makes for less
  46  * of a dependance on BIOSN*() macros having to be the same
  47  * across /boot, /bsd, and userland.
  48  */
  49 #define BOOTARG_DISKINFO 1
  50 typedef struct _bios_diskinfo {
  51         /* BIOS section */
  52         int bios_number;        /* BIOS number of drive (or -1) */
  53
  54         /* Misc. flags */
  55         uint32_t flags;
  56 #define BDI_INVALID     0x00000001      /* I/O error during checksumming */
  57 #define BDI_GOODLABEL   0x00000002      /* Had SCSI or ST506/ESDI disklabel */
  58 #define BDI_BADLABEL    0x00000004      /* Had another disklabel */
  59 #define BDI_EL_TORITO   0x00000008      /* 2,048-byte sectors */
  60 #define BDI_PICKED      0x80000000      /* kernel-only: cksum matched */
  61 } bios_diskinfo_t;
  62
  63 #define BOOTARG_CKSUMLEN 3              /* uint32_t */
  64 #endif /* 1 */
  65
  66 /* All the info on a disk we've found */
  67 struct diskinfo {
  68         bios_diskinfo_t bios_info;
  69         struct disklabel disklabel;
  70         char devname[MAXDEVNAME];
  71
  72         TAILQ_ENTRY(diskinfo) list;
  73 };
  74 TAILQ_HEAD(disklist_lh, diskinfo);
  75
  76 /* diskprobe.c */
  77 void diskprobe(char *buf, size_t bufsiz);
  78 struct diskinfo *dkdevice(const char *, uint);
  79 int bios_devname(int, char *, int);
  80 void bios_devpath(int, int, char *);
  81 char *bios_getdiskinfo(int, bios_diskinfo_t *);
  82 int bios_getdospart(bios_diskinfo_t *);
  83 char *bios_getdisklabel(bios_diskinfo_t *, struct disklabel *);
  84 void dump_diskinfo(void);
  85
  86 #endif /* _STAND_DISK_H */