LXR busybox/util-linux/fdisk

   1#if ENABLE_FEATURE_AIX_LABEL
   2/*
   3 * Copyright (C) Andreas Neuper, Sep 1998.
   4 *
   5 * Licensed under GPLv2, see file LICENSE in this source tree.
   6 */
   7
   8typedef struct {
   9        unsigned int   magic;        /* expect AIX_LABEL_MAGIC */
  10        unsigned int   fillbytes1[124];
  11        unsigned int   physical_volume_id;
  12        unsigned int   fillbytes2[124];
  13} aix_partition;
  14
  15#define AIX_LABEL_MAGIC         0xc9c2d4c1
  16#define AIX_LABEL_MAGIC_SWAPPED 0xc1d4c2c9
  17#define AIX_INFO_MAGIC          0x00072959
  18#define AIX_INFO_MAGIC_SWAPPED  0x59290700
  19
  20#define aixlabel ((aix_partition *)MBRbuffer)
  21
  22
  23/*
  24  Changes:
  25  * 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  26  *     Internationalization
  27  *
  28  * 2003-03-20 Phillip Kesling <pkesling@sgi.com>
  29  *      Some fixes
  30*/
  31
  32static smallint aix_other_endian; /* bool */
  33static smallint aix_volumes = 1; /* max 15 */
  34
  35/*
  36 * only dealing with free blocks here
  37 */
  38
  39static void
  40aix_info(void)
  41{
  42        puts("\n"
  43"There is a valid AIX label on this disk.\n"
  44"Unfortunately Linux cannot handle these disks at the moment.\n"
  45"Nevertheless some advice:\n"
  46"1. fdisk will destroy its contents on write.\n"
  47"2. Be sure that this disk is NOT a still vital part of a volume group.\n"
  48"   (Otherwise you may erase the other disks as well, if unmirrored.)\n"
  49"3. Before deleting this physical volume be sure to remove the disk\n"
  50"   logically from your AIX machine. (Otherwise you become an AIXpert).\n"
  51        );
  52}
  53
  54static int
  55check_aix_label(void)
  56{
  57        if (aixlabel->magic != AIX_LABEL_MAGIC
  58         && aixlabel->magic != AIX_LABEL_MAGIC_SWAPPED
  59        ) {
  60                current_label_type = 0;
  61                aix_other_endian = 0;
  62                return 0;
  63        }
  64        aix_other_endian = (aixlabel->magic == AIX_LABEL_MAGIC_SWAPPED);
  65        update_units();
  66        current_label_type = LABEL_AIX;
  67        g_partitions = 1016;
  68        aix_volumes = 15;
  69        aix_info();
  70        /*aix_nolabel();*/              /* %% */
  71        /*aix_label = 1;*/              /* %% */
  72        return 1;
  73}
  74#endif  /* AIX_LABEL */
  75