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1 | /* |
2 | * fs/partitions/karma.c |
3 | * Rio Karma partition info. |
4 | * |
5 | * Copyright (C) 2006 Bob Copeland (me@bobcopeland.com) |
6 | * based on osf.c |
7 | */ |
8 | |
9 | #include "check.h" |
10 | #include "karma.h" |
11 | |
12 | int karma_partition(struct parsed_partitions *state, struct block_device *bdev) |
13 | { |
14 | int i; |
15 | int slot = 1; |
16 | Sector sect; |
17 | unsigned char *data; |
18 | struct disklabel { |
19 | u8 d_reserved[270]; |
20 | struct d_partition { |
21 | __le32 p_res; |
22 | u8 p_fstype; |
23 | u8 p_res2[3]; |
24 | __le32 p_offset; |
25 | __le32 p_size; |
26 | } d_partitions[2]; |
27 | u8 d_blank[208]; |
28 | __le16 d_magic; |
29 | } __attribute__((packed)) *label; |
30 | struct d_partition *p; |
31 | |
32 | data = read_dev_sector(bdev, 0, §); |
33 | if (!data) |
34 | return -1; |
35 | |
36 | label = (struct disklabel *)data; |
37 | if (le16_to_cpu(label->d_magic) != KARMA_LABEL_MAGIC) { |
38 | put_dev_sector(sect); |
39 | return 0; |
40 | } |
41 | |
42 | p = label->d_partitions; |
43 | for (i = 0 ; i < 2; i++, p++) { |
44 | if (slot == state->limit) |
45 | break; |
46 | |
47 | if (p->p_fstype == 0x4d && le32_to_cpu(p->p_size)) { |
48 | put_partition(state, slot, le32_to_cpu(p->p_offset), |
49 | le32_to_cpu(p->p_size)); |
50 | } |
51 | slot++; |
52 | } |
53 | printk("\n"); |
54 | put_dev_sector(sect); |
55 | return 1; |
56 | } |
57 | |
58 |
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