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 "libvolume_id.h"
33 #define PDC_CONFIG_OFF 0x1200
34 #define PDC_SIGNATURE "Promise Technology, Inc."
36 int volume_id_probe_promise_fasttrack_raid(struct volume_id *id, uint64_t off, uint64_t size)
39 struct promise_meta *pdc;
41 static unsigned int sectors[] = {
42 63, 255, 256, 16, 399, 0
45 info("probing at offset 0x%llx, size 0x%llx",
46 (unsigned long long) off, (unsigned long long) size);
51 for (i = 0; sectors[i] != 0; i++) {
54 meta_off = ((size / 0x200) - sectors[i]) * 0x200;
55 buf = volume_id_get_buffer(id, off + meta_off, 0x200);
59 pdc = (struct promise_meta *) buf;
60 if (memcmp(pdc->sig, PDC_SIGNATURE, sizeof(PDC_SIGNATURE)-1) == 0)
66 volume_id_set_usage(id, VOLUME_ID_RAID);
67 id->type = "promise_fasttrack_raid_member";