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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* Copyright (C) 2014 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "base/memory/zalloc.h"
#include "lib/misc/lib.h"
#include "lib/filters/filter.h"
#ifdef UDEV_SYNC_SUPPORT
#include <libudev.h>
#include "lib/device/dev-ext-udev-constants.h"
#endif
#ifdef __linux__
#ifdef UDEV_SYNC_SUPPORT
static int _udev_dev_is_fwraid(struct device *dev)
{
const char *value;
value = udev_device_get_property_value((struct udev_device *)dev->ext.handle, DEV_EXT_UDEV_BLKID_TYPE);
if (value && strcmp(value, DEV_EXT_UDEV_BLKID_TYPE_SW_RAID) && strstr(value, DEV_EXT_UDEV_BLKID_TYPE_RAID_SUFFIX))
return 1;
return 0;
}
#else
static int _udev_dev_is_fwraid(struct device *dev)
{
return 0;
}
#endif
static int _native_dev_is_fwraid(struct device *dev)
{
log_verbose("%s: Firmware RAID detection is not supported by LVM natively. "
"Skipping firmware raid detection. ", dev_name(dev));
return 0;
}
static int _dev_is_fwraid(struct device *dev)
{
if (dev->ext.src == DEV_EXT_NONE)
return _native_dev_is_fwraid(dev);
if (dev->ext.src == DEV_EXT_UDEV)
return _udev_dev_is_fwraid(dev);
log_error(INTERNAL_ERROR "Missing hook for firmware RAID recognition "
"using external device info source %s", dev_ext_name(dev));
return 0;
}
#define MSG_SKIPPING "%s: Skipping firmware RAID component device"
static int _ignore_fwraid(struct cmd_context *cmd, struct dev_filter *f __attribute__((unused)),
struct device *dev, const char *use_filter_name)
{
int ret;
if (!fwraid_filtering())
return 1;
ret = _dev_is_fwraid(dev);
if (ret == 1) {
if (dev->ext.src == DEV_EXT_NONE)
log_debug_devs(MSG_SKIPPING, dev_name(dev));
else
log_debug_devs(MSG_SKIPPING " [%s:%p]", dev_name(dev),
dev_ext_name(dev), dev->ext.handle);
return 0;
}
if (ret < 0) {
log_debug_devs("%s: Skipping: error in firmware RAID component detection",
dev_name(dev));
return 0;
}
return 1;
}
static void _destroy(struct dev_filter *f)
{
if (f->use_count)
log_error(INTERNAL_ERROR "Destroying firmware RAID filter while in use %u times.", f->use_count);
free(f);
}
struct dev_filter *fwraid_filter_create(struct dev_types *dt __attribute__((unused)))
{
struct dev_filter *f;
if (!(f = zalloc(sizeof(*f)))) {
log_error("Firmware RAID filter allocation failed");
return NULL;
}
f->passes_filter = _ignore_fwraid;
f->destroy = _destroy;
f->use_count = 0;
f->private = NULL;
f->name = "fwraid";
log_debug_devs("Firmware RAID filter initialised.");
return f;
}
#else
struct dev_filter *fwraid_filter_create(struct dev_types *dt __attribute__((unused)))
{
return NULL;
}
#endif
|
