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
36 #include "volume_id.h"
43 uint8_t version_number;
46 uint8_t disk_array_ex;
47 uint32_t capacity_low;
48 uint32_t capacity_high;
49 uint32_t serial_checksum;
50 } __attribute((packed)) array;
51 uint32_t serial_checksum[8];
53 } __attribute__((packed));
55 #define VIA_SIGNATURE 0xAA55
57 int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size)
63 dbg("probing at offset 0x%llx, size 0x%llx",
64 (unsigned long long) off, (unsigned long long) size);
69 meta_off = ((size / 0x200)-1) * 0x200;
71 buf = volume_id_get_buffer(id, off + meta_off, 0x200);
75 via = (struct via_meta *) buf;
76 if (le16_to_cpu(via->signature) != VIA_SIGNATURE)
79 if (via->version_number > 1)
82 volume_id_set_usage(id, VOLUME_ID_RAID);
83 snprintf(id->type_version, sizeof(id->type_version)-1, "%u", via->version_number);
84 id->type = "via_raid_member";