Fix some compiler warnings emitted by gcc-4.8.0
[oweals/busybox.git] / util-linux / volume_id / unused_highpoint.c
1 /*
2  * volume_id - reads filesystem label and uuid
3  *
4  * Copyright (C) 2004 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 //kbuild:### lib-$(CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID) += highpoint.o
22
23 //config:
24 //config:### config FEATURE_VOLUMEID_HIGHPOINTRAID
25 //config:###    bool "highpoint raid"
26 //config:###    default y
27 //config:###    depends on VOLUMEID
28 //config:###    help
29 //config:###      TODO
30 //config:
31
32 #include "volume_id_internal.h"
33
34 struct hpt37x_meta {
35         uint8_t         filler1[32];
36         uint32_t        magic;
37 } PACKED;
38
39 struct hpt45x_meta {
40         uint32_t        magic;
41 } PACKED;
42
43 #define HPT37X_CONFIG_OFF               0x1200
44 #define HPT37X_MAGIC_OK                 0x5a7816f0
45 #define HPT37X_MAGIC_BAD                0x5a7816fd
46
47 #define HPT45X_MAGIC_OK                 0x5a7816f3
48 #define HPT45X_MAGIC_BAD                0x5a7816fd
49
50
51 int FAST_FUNC volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
52 {
53         struct hpt37x_meta *hpt;
54         uint32_t magic;
55
56         dbg("probing at offset 0x%llx", (unsigned long long) off);
57
58         hpt = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
59         if (hpt == NULL)
60                 return -1;
61
62         magic = hpt->magic;
63         if (magic != cpu_to_le32(HPT37X_MAGIC_OK) && magic != cpu_to_le32(HPT37X_MAGIC_BAD))
64                 return -1;
65
66 //      volume_id_set_usage(id, VOLUME_ID_RAID);
67 //      id->type = "highpoint_raid_member";
68
69         return 0;
70 }
71
72 int FAST_FUNC volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
73 {
74         struct hpt45x_meta *hpt;
75         uint64_t meta_off;
76         uint32_t magic;
77
78         dbg("probing at offset 0x%llx, size 0x%llx",
79             (unsigned long long) off, (unsigned long long) size);
80
81         if (size < 0x10000)
82                 return -1;
83
84         meta_off = ((size / 0x200)-11) * 0x200;
85         hpt = volume_id_get_buffer(id, off + meta_off, 0x200);
86         if (hpt == NULL)
87                 return -1;
88
89         magic = hpt->magic;
90         if (magic != cpu_to_le32(HPT45X_MAGIC_OK) && magic != cpu_to_le32(HPT45X_MAGIC_BAD))
91                 return -1;
92
93 //      volume_id_set_usage(id, VOLUME_ID_RAID);
94 //      id->type = "highpoint_raid_member";
95
96         return 0;
97 }