diff options
Diffstat (limited to 'fs/partitions/karma.c')
-rw-r--r-- | fs/partitions/karma.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/fs/partitions/karma.c b/fs/partitions/karma.c new file mode 100644 index 000000000000..176d89bcf123 --- /dev/null +++ b/fs/partitions/karma.c | |||
@@ -0,0 +1,57 @@ | |||
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 | |||