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
|
/*
* Copyright (C) 2008 Karel Zak <kzak@redhat.com>
* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
*
* This file 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; either version 2 of the License, or
* (at your option) any later version.
*
* This file is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <stdint.h>
#include "blkidP.h"
struct promise_meta {
uint8_t sig[24];
};
#define PDC_CONFIG_OFF 0x1200
#define PDC_SIGNATURE "Promise Technology, Inc."
static int probe_pdcraid(blkid_probe pr, const struct blkid_idmag *mag)
{
unsigned int i;
static unsigned int sectors[] = {
63, 255, 256, 16, 399, 0
};
if (pr->size < 0x40000)
return -1;
for (i = 0; sectors[i] != 0; i++) {
uint64_t meta_off;
struct promise_meta *pdc;
meta_off = ((pr->size / 0x200) - sectors[i]) * 0x200;
pdc = (struct promise_meta *)
blkid_probe_get_buffer(pr, meta_off, 0x200);
if (!pdc)
return -1;
if (memcmp(pdc->sig, PDC_SIGNATURE,
sizeof(PDC_SIGNATURE) - 1) == 0)
return 0;
}
return -1;
}
const struct blkid_idinfo pdcraid_idinfo = {
.name = "promise_fasttrack_raid_member",
.usage = BLKID_USAGE_RAID,
.probefunc = probe_pdcraid
};
|
