blob: ead09a8d11e8cfbe14d05015ee39ba91685f2d02 [file] [log] [blame]
bigbiff bigbiffe60683a2013-02-22 20:55:50 -05001/*
2 * Copyright (C) 2009 Mike Hommey <mh@glandium.org>
3 *
4 * This file may be redistributed under the terms of the
5 * GNU Lesser General Public License.
6 */
7#include "superblocks.h"
8
9struct vmfs_fs_info {
10 uint32_t magic;
11 uint32_t volume_version;
12 uint8_t version;
13 uint8_t uuid[16];
14 uint32_t mode;
15 char label[128];
16} __attribute__ ((__packed__));
17
18struct vmfs_volume_info {
19 uint32_t magic;
20 uint32_t ver;
21 uint8_t irrelevant[122];
22 uint8_t uuid[16];
23} __attribute__ ((__packed__));
24
25static int probe_vmfs_fs(blkid_probe pr, const struct blkid_idmag *mag)
26{
27 struct vmfs_fs_info *header;
28
29 header = blkid_probe_get_sb(pr, mag, struct vmfs_fs_info);
30 if (header == NULL)
31 return -1;
32
33 blkid_probe_sprintf_uuid(pr, (unsigned char *) header->uuid, 16,
34 "%02x%02x%02x%02x-%02x%02x%02x%02x-"
35 "%02x%02x-%02x%02x%02x%02x%02x%02x",
36 header->uuid[3], header->uuid[2], header->uuid[1],
37 header->uuid[0], header->uuid[7], header->uuid[6],
38 header->uuid[5], header->uuid[4], header->uuid[9],
39 header->uuid[8], header->uuid[10], header->uuid[11],
40 header->uuid[12], header->uuid[13], header->uuid[14],
41 header->uuid[15]);
42
43 blkid_probe_set_label(pr, (unsigned char *) header->label,
44 sizeof(header->label));
45 blkid_probe_sprintf_version(pr, "%u", header->version);
46 return 0;
47}
48
49static int probe_vmfs_volume(blkid_probe pr, const struct blkid_idmag *mag)
50{
51 struct vmfs_volume_info *header;
52 unsigned char *lvm_uuid;
53
54 header = blkid_probe_get_sb(pr, mag, struct vmfs_volume_info);
55 if (header == NULL)
56 return -1;
57
58 blkid_probe_sprintf_value(pr, "UUID_SUB",
59 "%02x%02x%02x%02x-%02x%02x%02x%02x-"
60 "%02x%02x-%02x%02x%02x%02x%02x%02x",
61 header->uuid[3], header->uuid[2], header->uuid[1],
62 header->uuid[0], header->uuid[7], header->uuid[6],
63 header->uuid[5], header->uuid[4], header->uuid[9],
64 header->uuid[8], header->uuid[10], header->uuid[11],
65 header->uuid[12], header->uuid[13], header->uuid[14],
66 header->uuid[15]);
67 blkid_probe_sprintf_version(pr, "%u", le32_to_cpu(header->ver));
68
69 lvm_uuid = blkid_probe_get_buffer(pr,
70 1024 * 1024 /* Start of the volume info */
71 + 512 /* Offset to lvm info */
72 + 20 /* Offset in lvm info */, 35);
73 if (lvm_uuid)
74 blkid_probe_strncpy_uuid(pr, lvm_uuid, 35);
75
76 return 0;
77}
78
79const struct blkid_idinfo vmfs_fs_idinfo =
80{
81 .name = "VMFS",
82 .usage = BLKID_USAGE_FILESYSTEM,
83 .probefunc = probe_vmfs_fs,
84 .magics =
85 {
86 { .magic = "\x5e\xf1\xab\x2f", .len = 4, .kboff = 2048 },
87 { NULL }
88 }
89};
90
91const struct blkid_idinfo vmfs_volume_idinfo =
92{
93 .name = "VMFS_volume_member",
94 .usage = BLKID_USAGE_RAID,
95 .probefunc = probe_vmfs_volume,
96 .magics =
97 {
98 { .magic = "\x0d\xd0\x01\xc0", .len = 4, .kboff = 1024 },
99 { NULL }
100 }
101};