1 | /*
|
---|
2 | * volume_id - reads filesystem label and uuid
|
---|
3 | *
|
---|
4 | * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
|
---|
5 | *
|
---|
6 | * This library is free software; you can redistribute it and/or
|
---|
7 | * modify it under the terms of the GNU Lesser General Public
|
---|
8 | * License as published by the Free Software Foundation; either
|
---|
9 | * version 2.1 of the License, or (at your option) any later version.
|
---|
10 | *
|
---|
11 | * This library is distributed in the hope that it will be useful,
|
---|
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
14 | * Lesser General Public License for more details.
|
---|
15 | *
|
---|
16 | * You should have received a copy of the GNU Lesser General Public
|
---|
17 | * License along with this library; if not, write to the Free Software
|
---|
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
---|
19 | */
|
---|
20 |
|
---|
21 | //kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_SILICONRAID) += silicon_raid.o
|
---|
22 |
|
---|
23 | //config:
|
---|
24 | //config:### config FEATURE_VOLUMEID_SILICONRAID
|
---|
25 | //config:### bool "silicon raid"
|
---|
26 | //config:### default y
|
---|
27 | //config:### depends on VOLUMEID
|
---|
28 | //config:### help
|
---|
29 | //config:### TODO
|
---|
30 | //config:
|
---|
31 |
|
---|
32 | #include "volume_id_internal.h"
|
---|
33 |
|
---|
34 | struct silicon_meta {
|
---|
35 | uint8_t unknown0[0x2E];
|
---|
36 | uint8_t ascii_version[0x36 - 0x2E];
|
---|
37 | uint8_t diskname[0x56 - 0x36];
|
---|
38 | uint8_t unknown1[0x60 - 0x56];
|
---|
39 | uint32_t magic;
|
---|
40 | uint32_t unknown1a[0x6C - 0x64];
|
---|
41 | uint32_t array_sectors_low;
|
---|
42 | uint32_t array_sectors_high;
|
---|
43 | uint8_t unknown2[0x78 - 0x74];
|
---|
44 | uint32_t thisdisk_sectors;
|
---|
45 | uint8_t unknown3[0x100 - 0x7C];
|
---|
46 | uint8_t unknown4[0x104 - 0x100];
|
---|
47 | uint16_t product_id;
|
---|
48 | uint16_t vendor_id;
|
---|
49 | uint16_t minor_ver;
|
---|
50 | uint16_t major_ver;
|
---|
51 | } PACKED;
|
---|
52 |
|
---|
53 | #define SILICON_MAGIC 0x2F000000
|
---|
54 |
|
---|
55 | int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
|
---|
56 | {
|
---|
57 | uint64_t meta_off;
|
---|
58 | struct silicon_meta *sil;
|
---|
59 |
|
---|
60 | dbg("probing at offset 0x%llx, size 0x%llx",
|
---|
61 | (unsigned long long) off, (unsigned long long) size);
|
---|
62 |
|
---|
63 | if (size < 0x10000)
|
---|
64 | return -1;
|
---|
65 |
|
---|
66 | meta_off = ((size / 0x200)-1) * 0x200;
|
---|
67 | sil = volume_id_get_buffer(id, off + meta_off, 0x200);
|
---|
68 | if (sil == NULL)
|
---|
69 | return -1;
|
---|
70 |
|
---|
71 | if (sil->magic != cpu_to_le32(SILICON_MAGIC))
|
---|
72 | return -1;
|
---|
73 |
|
---|
74 | // volume_id_set_usage(id, VOLUME_ID_RAID);
|
---|
75 | // snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u",
|
---|
76 | // le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
|
---|
77 | // id->type = "silicon_medley_raid_member";
|
---|
78 |
|
---|
79 | return 0;
|
---|
80 | }
|
---|