xref: /freebsd/sys/contrib/openzfs/cmd/zpool/zpool_util.h (revision 97759ccc715c4b365432c16d763c50eecfcb1100)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or https://opensource.org/licenses/CDDL-1.0.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #ifndef	ZPOOL_UTIL_H
26 #define	ZPOOL_UTIL_H
27 
28 #include <libnvpair.h>
29 #include <libzfs.h>
30 #include <libzutil.h>
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /* Path to scripts you can run with "zpool status/iostat -c" */
37 #define	ZPOOL_SCRIPTS_DIR SYSCONFDIR"/zfs/zpool.d"
38 
39 /*
40  * Basic utility functions
41  */
42 void *safe_malloc(size_t);
43 void *safe_realloc(void *, size_t);
44 void zpool_no_memory(void);
45 uint_t num_logs(nvlist_t *nv);
46 uint64_t array64_max(uint64_t array[], unsigned int len);
47 int highbit64(uint64_t i);
48 int lowbit64(uint64_t i);
49 
50 /*
51  * Misc utility functions
52  */
53 char *zpool_get_cmd_search_path(void);
54 
55 /*
56  * Virtual device functions
57  */
58 
59 nvlist_t *make_root_vdev(zpool_handle_t *zhp, nvlist_t *props, int force,
60     int check_rep, boolean_t replacing, boolean_t dryrun, int argc,
61     char **argv);
62 nvlist_t *split_mirror_vdev(zpool_handle_t *zhp, char *newname,
63     nvlist_t *props, splitflags_t flags, int argc, char **argv);
64 
65 /*
66  * Pool list functions
67  */
68 int for_each_pool(int, char **, boolean_t unavail, zprop_list_t **, zfs_type_t,
69     boolean_t, zpool_iter_f, void *);
70 
71 /* Vdev list functions */
72 int for_each_vdev(zpool_handle_t *zhp, pool_vdev_iter_f func, void *data);
73 
74 typedef struct zpool_list zpool_list_t;
75 
76 zpool_list_t *pool_list_get(int, char **, zprop_list_t **, zfs_type_t,
77     boolean_t, int *);
78 void pool_list_update(zpool_list_t *);
79 int pool_list_iter(zpool_list_t *, int unavail, zpool_iter_f, void *);
80 void pool_list_free(zpool_list_t *);
81 int pool_list_count(zpool_list_t *);
82 void pool_list_remove(zpool_list_t *, zpool_handle_t *);
83 
84 extern libzfs_handle_t *g_zfs;
85 
86 
87 typedef	struct vdev_cmd_data
88 {
89 	char **lines;	/* Array of lines of output, minus the column name */
90 	int lines_cnt;	/* Number of lines in the array */
91 
92 	char **cols;	/* Array of column names */
93 	int cols_cnt;	/* Number of column names */
94 
95 
96 	char *path;	/* vdev path */
97 	char *upath;	/* vdev underlying path */
98 	char *pool;	/* Pool name */
99 	char *cmd;	/* backpointer to cmd */
100 	char *vdev_enc_sysfs_path;	/* enclosure sysfs path (if any) */
101 } vdev_cmd_data_t;
102 
103 typedef struct vdev_cmd_data_list
104 {
105 	char *cmd;		/* Command to run */
106 	unsigned int count;	/* Number of vdev_cmd_data items (vdevs) */
107 
108 	/* fields used to select only certain vdevs, if requested */
109 	libzfs_handle_t *g_zfs;
110 	char **vdev_names;
111 	int vdev_names_count;
112 	int cb_name_flags;
113 
114 	vdev_cmd_data_t *data;	/* Array of vdevs */
115 
116 	/* List of unique column names and widths */
117 	char **uniq_cols;
118 	int uniq_cols_cnt;
119 	int *uniq_cols_width;
120 
121 } vdev_cmd_data_list_t;
122 
123 vdev_cmd_data_list_t *all_pools_for_each_vdev_run(int argc, char **argv,
124     char *cmd, libzfs_handle_t *g_zfs, char **vdev_names, int vdev_names_count,
125     int cb_name_flags);
126 
127 void free_vdev_cmd_data_list(vdev_cmd_data_list_t *vcdl);
128 
129 void free_vdev_cmd_data(vdev_cmd_data_t *data);
130 
131 int vdev_run_cmd_simple(char *path, char *cmd);
132 
133 int check_device(const char *path, boolean_t force,
134     boolean_t isspare, boolean_t iswholedisk);
135 boolean_t check_sector_size_database(char *path, int *sector_size);
136 void vdev_error(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
137 int check_file(const char *file, boolean_t force, boolean_t isspare);
138 void after_zpool_upgrade(zpool_handle_t *zhp);
139 int check_file_generic(const char *file, boolean_t force, boolean_t isspare);
140 
141 #ifdef	__cplusplus
142 }
143 #endif
144 
145 #endif	/* ZPOOL_UTIL_H */
146