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"
36 #define NVIDIA_SIGNATURE "NVIDIA"
38 int volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size)
42 struct nvidia_meta *nv;
44 dbg("probing at offset 0x%llx, size 0x%llx",
45 (unsigned long long) off, (unsigned long long) size);
50 meta_off = ((size / 0x200)-2) * 0x200;
51 buf = volume_id_get_buffer(id, off + meta_off, 0x200);
55 nv = (struct nvidia_meta *) buf;
56 if (memcmp(nv->vendor, NVIDIA_SIGNATURE, sizeof(NVIDIA_SIGNATURE)-1) != 0)
59 volume_id_set_usage(id, VOLUME_ID_RAID);
60 snprintf(id->type_version, sizeof(id->type_version)-1, "%u", le16_to_cpu(nv->version));
61 id->type = "nvidia_raid_member";