2 * volume_id - reads filesystem label and uuid
4 * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
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.
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.
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
35 #include <asm/types.h>
37 #include "volume_id.h"
40 #include "silicon_raid.h"
44 __u8 ascii_version[0x36 - 0x2E];
45 __u8 diskname[0x56 - 0x36];
46 __u8 unknown1[0x60 - 0x56];
48 __u32 unknown1a[0x6C - 0x64];
49 __u32 array_sectors_low;
50 __u32 array_sectors_high;
51 __u8 unknown2[0x78 - 0x74];
52 __u32 thisdisk_sectors;
53 __u8 unknown3[0x100 - 0x7C];
54 __u8 unknown4[0x104 - 0x100];
59 } __attribute__((packed));
61 #define SILICON_MAGIC 0x2F000000
63 int volume_id_probe_silicon_medley_raid(struct volume_id *id, __u64 off, __u64 size)
67 struct silicon_meta *sil;
69 dbg("probing at offset 0x%llx, size 0x%llx",
70 (unsigned long long) off, (unsigned long long) size);
75 meta_off = ((size / 0x200)-1) * 0x200;
76 buf = volume_id_get_buffer(id, off + meta_off, 0x200);
80 sil = (struct silicon_meta *) buf;
81 if (le32_to_cpu(sil->magic) != SILICON_MAGIC)
84 volume_id_set_usage(id, VOLUME_ID_RAID);
85 snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u",
86 le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
87 id->type = "silicon_medley_raid_member";