2 * volume_id - reads filesystem label and uuid
4 * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation version 2 of the License.
26 #include "volume_id.h"
33 uint8_t version_number;
36 uint8_t disk_array_ex;
37 uint32_t capacity_low;
38 uint32_t capacity_high;
39 uint32_t serial_checksum;
40 } __attribute((packed)) array;
41 uint32_t serial_checksum[8];
43 } __attribute__((packed));
45 #define VIA_SIGNATURE 0xAA55
47 int volume_id_probe_via_raid(struct volume_id *id, uint64_t off, uint64_t size)
53 dbg("probing at offset 0x%llx, size 0x%llx",
54 (unsigned long long) off, (unsigned long long) size);
59 meta_off = ((size / 0x200)-1) * 0x200;
61 buf = volume_id_get_buffer(id, off + meta_off, 0x200);
65 via = (struct via_meta *) buf;
66 if (le16_to_cpu(via->signature) != VIA_SIGNATURE)
69 if (via->version_number > 1)
72 volume_id_set_usage(id, VOLUME_ID_RAID);
73 snprintf(id->type_version, sizeof(id->type_version)-1, "%u", via->version_number);
74 id->type = "via_raid_member";