| Denis Vlasenko | 98ae216 | 2006-10-12 19:30:44 +0000 | [diff] [blame] | 1 | #ifdef CONFIG_FEATURE_AIX_LABEL |
| 2 | /* |
| 3 | * Copyright (C) Andreas Neuper, Sep 1998. |
| 4 | * This file may be redistributed under |
| 5 | * the terms of the GNU Public License. |
| 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 int aix_other_endian; |
| 33 | static short aix_volumes = 1; |
| 34 | |
| 35 | /* |
| 36 | * only dealing with free blocks here |
| 37 | */ |
| 38 | |
| 39 | static void |
| 40 | aix_info(void) |
| 41 | { |
| 42 | puts( |
| 43 | _("\n\tThere is a valid AIX label on this disk.\n" |
| 44 | "\tUnfortunately Linux cannot handle these\n" |
| 45 | "\tdisks at the moment. Nevertheless some\n" |
| 46 | "\tadvice:\n" |
| 47 | "\t1. fdisk will destroy its contents on write.\n" |
| 48 | "\t2. Be sure that this disk is NOT a still vital\n" |
| 49 | "\t part of a volume group. (Otherwise you may\n" |
| 50 | "\t erase the other disks as well, if unmirrored.)\n" |
| 51 | "\t3. Before deleting this physical volume be sure\n" |
| 52 | "\t to remove the disk logically from your AIX\n" |
| 53 | "\t machine. (Otherwise you become an AIXpert).") |
| 54 | ); |
| 55 | } |
| 56 | |
| 57 | static int |
| 58 | check_aix_label(void) |
| 59 | { |
| 60 | if (aixlabel->magic != AIX_LABEL_MAGIC && |
| 61 | aixlabel->magic != AIX_LABEL_MAGIC_SWAPPED) { |
| 62 | current_label_type = 0; |
| 63 | aix_other_endian = 0; |
| 64 | return 0; |
| 65 | } |
| 66 | aix_other_endian = (aixlabel->magic == AIX_LABEL_MAGIC_SWAPPED); |
| 67 | update_units(); |
| 68 | current_label_type = label_aix; |
| 69 | partitions = 1016; |
| 70 | aix_volumes = 15; |
| 71 | aix_info(); |
| 72 | /*aix_nolabel();*/ /* %% */ |
| 73 | /*aix_label = 1;*/ /* %% */ |
| 74 | return 1; |
| 75 | } |
| 76 | #endif /* AIX_LABEL */ |