Contents of /tags/mkinitrd-6_3_0/busybox/util-linux/fdisk_aix.c
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Thu Aug 19 10:14:02 2010 UTC (14 years, 1 month ago) by niro
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Thu Aug 19 10:14:02 2010 UTC (14 years, 1 month ago) by niro
File MIME type: text/plain
File size: 1908 byte(s)
tagged 'mkinitrd-6_3_0'
1 | #if ENABLE_FEATURE_AIX_LABEL |
2 | /* |
3 | * Copyright (C) Andreas Neuper, Sep 1998. |
4 | * |
5 | * Licensed under GPLv2, see file LICENSE in this tarball for details. |
6 | */ |
7 | |
8 | typedef 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 | |
32 | static smallint aix_other_endian; /* bool */ |
33 | static smallint aix_volumes = 1; /* max 15 */ |
34 | |
35 | /* |
36 | * only dealing with free blocks here |
37 | */ |
38 | |
39 | static void |
40 | aix_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 | |
54 | static int |
55 | check_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 */ |