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
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
11 * This program 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
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 #include "libvolume_id.h"
32 #include "libvolume_id-private.h"
39 uint32_t generation_num;
42 #define ISW_SIGNATURE "Intel Raid ISM Cfg Sig. "
45 int volume_id_probe_intel_software_raid(struct volume_id *id, uint64_t off, uint64_t size)
51 info("probing at offset 0x%llx, size 0x%llx\n",
52 (unsigned long long) off, (unsigned long long) size);
57 meta_off = ((size / 0x200)-2) * 0x200;
58 buf = volume_id_get_buffer(id, off + meta_off, 0x200);
62 isw = (struct isw_meta *) buf;
63 if (memcmp(isw->sig, ISW_SIGNATURE, sizeof(ISW_SIGNATURE)-1) != 0)
66 volume_id_set_usage(id, VOLUME_ID_RAID);
67 memcpy(id->type_version, &isw->sig[sizeof(ISW_SIGNATURE)-1], 6);
68 id->type = "isw_raid_member";