source: branches/3.2/mindi-busybox/util-linux/volume_id/unused_silicon_raid.c @ 3232

Last change on this file since 3232 was 3232, checked in by Bruno Cornec, 7 years ago
  • Update mindi-busybox to 1.21.1
  • Property svn:eol-style set to native
File size: 2.1 KB
Line 
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#include "volume_id_internal.h"
22
23struct silicon_meta {
24    uint8_t     unknown0[0x2E];
25    uint8_t     ascii_version[0x36 - 0x2E];
26    uint8_t     diskname[0x56 - 0x36];
27    uint8_t     unknown1[0x60 - 0x56];
28    uint32_t    magic;
29    uint32_t    unknown1a[0x6C - 0x64];
30    uint32_t    array_sectors_low;
31    uint32_t    array_sectors_high;
32    uint8_t     unknown2[0x78 - 0x74];
33    uint32_t    thisdisk_sectors;
34    uint8_t     unknown3[0x100 - 0x7C];
35    uint8_t     unknown4[0x104 - 0x100];
36    uint16_t    product_id;
37    uint16_t    vendor_id;
38    uint16_t    minor_ver;
39    uint16_t    major_ver;
40} PACKED;
41
42#define SILICON_MAGIC       0x2F000000
43
44int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
45{
46    uint64_t meta_off;
47    struct silicon_meta *sil;
48
49    dbg("probing at offset 0x%llx, size 0x%llx",
50        (unsigned long long) off, (unsigned long long) size);
51
52    if (size < 0x10000)
53        return -1;
54
55    meta_off = ((size / 0x200)-1) * 0x200;
56    sil = volume_id_get_buffer(id, off + meta_off, 0x200);
57    if (sil == NULL)
58        return -1;
59
60    if (sil->magic != cpu_to_le32(SILICON_MAGIC))
61        return -1;
62
63//  volume_id_set_usage(id, VOLUME_ID_RAID);
64//  snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u",
65//      le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
66//  id->type = "silicon_medley_raid_member";
67
68    return 0;
69}
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