1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* volume_id - reads filesystem label and uuid
*
* Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include "volume_id.h"
#include "logging.h"
#include "util.h"
struct hpt37x_meta {
uint8_t filler1[32];
uint32_t magic;
} __attribute__((packed));
struct hpt45x_meta {
uint32_t magic;
} __attribute__((packed));
#define HPT37X_CONFIG_OFF 0x1200
#define HPT37X_MAGIC_OK 0x5a7816f0
#define HPT37X_MAGIC_BAD 0x5a7816fd
#define HPT45X_MAGIC_OK 0x5a7816f3
#define HPT45X_MAGIC_BAD 0x5a7816fd
int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
{
const uint8_t *buf;
struct hpt37x_meta *hpt;
uint32_t magic;
dbg("probing at offset 0x%llx", (unsigned long long) off);
buf = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
if (buf == NULL)
return -1;
hpt = (struct hpt37x_meta *) buf;
magic = le32_to_cpu(hpt->magic);
if (magic != HPT37X_MAGIC_OK && magic != HPT37X_MAGIC_BAD)
return -1;
volume_id_set_usage(id, VOLUME_ID_RAID);
id->type = "highpoint_raid_member";
return 0;
}
int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
{
const uint8_t *buf;
struct hpt45x_meta *hpt;
uint64_t meta_off;
uint32_t magic;
dbg("probing at offset 0x%llx, size 0x%llx",
(unsigned long long) off, (unsigned long long) size);
if (size < 0x10000)
return -1;
meta_off = ((size / 0x200)-11) * 0x200;
buf = volume_id_get_buffer(id, off + meta_off, 0x200);
if (buf == NULL)
return -1;
hpt = (struct hpt45x_meta *) buf;
magic = le32_to_cpu(hpt->magic);
if (magic != HPT45X_MAGIC_OK && magic != HPT45X_MAGIC_BAD)
return -1;
volume_id_set_usage(id, VOLUME_ID_RAID);
id->type = "highpoint_raid_member";
return 0;
}
|