/[grub]/grub/lib/device.c
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revision 1.14 by okuji, Sat Oct 13 04:20:05 2001 UTC revision 1.15 by okuji, Mon May 20 09:45:33 2002 UTC
# Line 1  Line 1 
1  /* device.c - Some helper functions for OS devices and BIOS drives */  /* device.c - Some helper functions for OS devices and BIOS drives */
2  /*  /*
3   *  GRUB  --  GRand Unified Bootloader   *  GRUB  --  GRand Unified Bootloader
4   *  Copyright (C) 1999, 2000, 2001  Free Software Foundation, Inc.   *  Copyright (C) 1999,2000,2001,2002  Free Software Foundation, Inc.
5   *   *
6   *  This program is free software; you can redistribute it and/or modify   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by   *  it under the terms of the GNU General Public License as published by
# Line 42  Line 42 
42  #  include <linux/unistd.h>     /* _llseek */  #  include <linux/unistd.h>     /* _llseek */
43  # endif /* (GLIBC < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR < 1)) */  # endif /* (GLIBC < 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR < 1)) */
44  # include <sys/ioctl.h>         /* ioctl */  # include <sys/ioctl.h>         /* ioctl */
45  # include <linux/hdreg.h>       /* HDIO_GETGEO */  # ifndef HDIO_GETGEO
46  # include <linux/major.h>       /* FLOPPY_MAJOR */  #  define HDIO_GETGEO   0x0301  /* get device geometry */
47  # include <linux/kdev_t.h>      /* MAJOR */  /* If HDIO_GETGEO is not defined, it is unlikely that hd_geometry is
48       defined.  */
49    struct hd_geometry
50    {
51      unsigned char heads;
52      unsigned char sectors;
53      unsigned short cylinders;
54      unsigned long start;
55    };
56    # endif /* ! HDIO_GETGEO */
57    # ifndef FLOPPY_MAJOR
58    #  define FLOPPY_MAJOR  2       /* the major number for floppy */
59    # endif /* ! FLOPPY_MAJOR */
60    # ifndef MAJOR
61    #  ifndef MINORBITS
62    #   define MINORBITS    8
63    #  endif /* ! MINORBITS */
64    #  define MAJOR(dev)    ((unsigned int) ((dev) >> MINORBITS))
65    # endif /* ! MAJOR */
66  # ifndef CDROM_GET_CAPABILITY  # ifndef CDROM_GET_CAPABILITY
67  #  define CDROM_GET_CAPABILITY  0x5331  /* get capabilities */  #  define CDROM_GET_CAPABILITY  0x5331  /* get capabilities */
68  # endif /* ! CDROM_GET_CAPABILITY */  # endif /* ! CDROM_GET_CAPABILITY */

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