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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2018 by Delphix. All rights reserved.
*/
#ifndef _LIBZUTIL_H
#define _LIBZUTIL_H
#include <sys/nvpair.h>
#include <sys/fs/zfs.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Default wait time for a device name to be created.
*/
#define DISK_LABEL_WAIT (30 * 1000) /* 30 seconds */
/*
* Pool Config Operations
*
* These are specific to the library libzfs or libzpool instance.
*/
typedef nvlist_t *refresh_config_func_t(void *, nvlist_t *);
typedef int pool_active_func_t(void *, const char *, uint64_t, boolean_t *);
typedef const struct pool_config_ops {
refresh_config_func_t *pco_refresh_config;
pool_active_func_t *pco_pool_active;
} pool_config_ops_t;
/*
* An instance of pool_config_ops_t is expected in the caller's binary.
*/
extern const pool_config_ops_t libzfs_config_ops;
extern const pool_config_ops_t libzpool_config_ops;
typedef struct importargs {
char **path; /* a list of paths to search */
int paths; /* number of paths to search */
const char *poolname; /* name of a pool to find */
uint64_t guid; /* guid of a pool to find */
const char *cachefile; /* cachefile to use for import */
boolean_t can_be_active; /* can the pool be active? */
boolean_t scan; /* prefer scanning to libblkid cache */
nvlist_t *policy; /* load policy (max txg, rewind, etc.) */
} importargs_t;
extern nvlist_t *zpool_search_import(void *, importargs_t *,
const pool_config_ops_t *);
extern int zpool_find_config(void *, const char *, nvlist_t **, importargs_t *,
const pool_config_ops_t *);
extern const char * const * zpool_default_search_paths(size_t *count);
extern int zpool_read_label(int, nvlist_t **, int *);
extern int zpool_label_disk_wait(const char *, int);
#ifdef HAVE_LIBUDEV
struct udev_device;
extern int zfs_device_get_devid(struct udev_device *, char *, size_t);
extern int zfs_device_get_physical(struct udev_device *, char *, size_t);
#else
#define zfs_device_get_devid(dev, bufptr, buflen) (ENODATA)
#define zfs_device_get_physical(dev, bufptr, buflen) (ENODATA)
#endif
extern void update_vdev_config_dev_strs(nvlist_t *);
/*
* Default device paths
*/
#define DISK_ROOT "/dev"
#define UDISK_ROOT "/dev/disk"
#define ZVOL_ROOT "/dev/zvol"
extern int zfs_append_partition(char *path, size_t max_len);
extern int zfs_resolve_shortname(const char *name, char *path, size_t pathlen);
extern char *zfs_strip_partition(char *);
extern char *zfs_strip_partition_path(char *);
extern int zfs_strcmp_pathname(const char *, const char *, int);
extern int zfs_dev_is_dm(const char *);
extern int zfs_dev_is_whole_disk(const char *);
extern char *zfs_get_underlying_path(const char *);
extern char *zfs_get_enclosure_sysfs_path(const char *);
#ifdef HAVE_LIBUDEV
extern boolean_t is_mpath_whole_disk(const char *);
#else
#define is_mpath_whole_disk(path) (B_FALSE)
#endif
/*
* Formats for iostat numbers. Examples: "12K", "30ms", "4B", "2321234", "-".
*
* ZFS_NICENUM_1024: Print kilo, mega, tera, peta, exa..
* ZFS_NICENUM_BYTES: Print single bytes ("13B"), kilo, mega, tera...
* ZFS_NICENUM_TIME: Print nanosecs, microsecs, millisecs, seconds...
* ZFS_NICENUM_RAW: Print the raw number without any formatting
* ZFS_NICENUM_RAWTIME: Same as RAW, but print dashes ('-') for zero.
*/
enum zfs_nicenum_format {
ZFS_NICENUM_1024 = 0,
ZFS_NICENUM_BYTES = 1,
ZFS_NICENUM_TIME = 2,
ZFS_NICENUM_RAW = 3,
ZFS_NICENUM_RAWTIME = 4
};
/*
* Convert a number to a human-readable form.
*/
extern void zfs_nicebytes(uint64_t, char *, size_t);
extern void zfs_nicenum(uint64_t, char *, size_t);
extern void zfs_nicenum_format(uint64_t, char *, size_t,
enum zfs_nicenum_format);
extern void zfs_nicetime(uint64_t, char *, size_t);
#define nicenum(num, buf, size) zfs_nicenum(num, buf, size)
extern void zpool_dump_ddt(const ddt_stat_t *, const ddt_histogram_t *);
extern int zpool_history_unpack(char *, uint64_t, uint64_t *, nvlist_t ***,
uint_t *);
#ifdef __cplusplus
}
#endif
#endif /* _LIBZUTIL_H */
|
