Contents of /trunk/mkinitrd-magellan/busybox/util-linux/volume_id/unused_nvidia_raid.c
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Revision 984 -
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Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
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Sun May 30 11:32:42 2010 UTC (13 years, 11 months ago) by niro
File MIME type: text/plain
File size: 1709 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
1 | /* |
2 | * volume_id - reads filesystem label and uuid |
3 | * |
4 | * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org> |
5 | * |
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. |
10 | * |
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. |
15 | * |
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 |
19 | */ |
20 | |
21 | #include "volume_id_internal.h" |
22 | |
23 | struct nvidia_meta { |
24 | uint8_t vendor[8]; |
25 | uint32_t size; |
26 | uint32_t chksum; |
27 | uint16_t version; |
28 | } PACKED; |
29 | |
30 | #define NVIDIA_SIGNATURE "NVIDIA" |
31 | |
32 | int FAST_FUNC volume_id_probe_nvidia_raid(struct volume_id *id, uint64_t off, uint64_t size) |
33 | { |
34 | uint64_t meta_off; |
35 | struct nvidia_meta *nv; |
36 | |
37 | dbg("probing at offset 0x%llx, size 0x%llx", |
38 | (unsigned long long) off, (unsigned long long) size); |
39 | |
40 | if (size < 0x10000) |
41 | return -1; |
42 | |
43 | meta_off = ((size / 0x200)-2) * 0x200; |
44 | nv = volume_id_get_buffer(id, off + meta_off, 0x200); |
45 | if (nv == NULL) |
46 | return -1; |
47 | |
48 | if (memcmp(nv->vendor, NVIDIA_SIGNATURE, sizeof(NVIDIA_SIGNATURE)-1) != 0) |
49 | return -1; |
50 | |
51 | // volume_id_set_usage(id, VOLUME_ID_RAID); |
52 | // snprintf(id->type_version, sizeof(id->type_version)-1, "%u", le16_to_cpu(nv->version)); |
53 | // id->type = "nvidia_raid_member"; |
54 | |
55 | return 0; |
56 | } |