cmd/zpool/zpool_util.h

   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 http://www.opensolaris.org/os/licensing.
  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
  31 #ifdef  __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 /* Path to scripts you can run with "zpool status/iostat -c" */
  36 #define ZPOOL_SCRIPTS_DIR SYSCONFDIR"/zfs/zpool.d"
  37
  38 /*
  39  * Basic utility functions
  40  */
  41 void *safe_malloc(size_t);
  42 void zpool_no_memory(void);
  43 uint_t num_logs(nvlist_t *nv);
  44 uint64_t array64_max(uint64_t array[], unsigned int len);
  45 int isnumber(char *str);
  46
  47 /*
  48  * Virtual device functions
  49  */
  50
  51 nvlist_t *make_root_vdev(zpool_handle_t *zhp, nvlist_t *props, int force,
  52     int check_rep, boolean_t replacing, boolean_t dryrun, int argc,
  53     char **argv);
  54 nvlist_t *split_mirror_vdev(zpool_handle_t *zhp, char *newname,
  55     nvlist_t *props, splitflags_t flags, int argc, char **argv);
  56
  57 /*
  58  * Pool list functions
  59  */
  60 int for_each_pool(int, char **, boolean_t unavail, zprop_list_t **,
  61     zpool_iter_f, void *);
  62
  63 /* Vdev list functions */
  64 typedef int (*pool_vdev_iter_f)(zpool_handle_t *, nvlist_t *, void *);
  65 int for_each_vdev(zpool_handle_t *zhp, pool_vdev_iter_f func, void *data);
  66
  67 typedef struct zpool_list zpool_list_t;
  68
  69 zpool_list_t *pool_list_get(int, char **, zprop_list_t **, int *);
  70 void pool_list_update(zpool_list_t *);
  71 int pool_list_iter(zpool_list_t *, int unavail, zpool_iter_f, void *);
  72 void pool_list_free(zpool_list_t *);
  73 int pool_list_count(zpool_list_t *);
  74 void pool_list_remove(zpool_list_t *, zpool_handle_t *);
  75
  76 libzfs_handle_t *g_zfs;
  77
  78
  79 typedef struct vdev_cmd_data
  80 {
  81         char **lines;   /* Array of lines of output, minus the column name */
  82         int lines_cnt;  /* Number of lines in the array */
  83
  84         char **cols;    /* Array of column names */
  85         int cols_cnt;   /* Number of column names */
  86
  87
  88         char *path;     /* vdev path */
  89         char *upath;    /* vdev underlying path */
  90         char *pool;     /* Pool name */
  91         char *cmd;      /* backpointer to cmd */
  92         char *vdev_enc_sysfs_path;      /* enclosure sysfs path (if any) */
  93 } vdev_cmd_data_t;
  94
  95 typedef struct vdev_cmd_data_list
  96 {
  97         char *cmd;              /* Command to run */
  98         unsigned int count;     /* Number of vdev_cmd_data items (vdevs) */
  99
 100         /* vars to whitelist only certain vdevs, if requested */
 101         libzfs_handle_t *g_zfs;
 102         char **vdev_names;
 103         int vdev_names_count;
 104         int cb_name_flags;
 105
 106         vdev_cmd_data_t *data;  /* Array of vdevs */
 107
 108         /* List of unique column names and widths */
 109         char **uniq_cols;
 110         int uniq_cols_cnt;
 111         int *uniq_cols_width;
 112
 113 } vdev_cmd_data_list_t;
 114
 115 vdev_cmd_data_list_t *all_pools_for_each_vdev_run(int argc, char **argv,
 116     char *cmd, libzfs_handle_t *g_zfs, char **vdev_names, int vdev_names_count,
 117     int cb_name_flags);
 118
 119 void free_vdev_cmd_data_list(vdev_cmd_data_list_t *vcdl);
 120
 121 #ifdef  __cplusplus
 122 }
 123 #endif
 124
 125 #endif  /* ZPOOL_UTIL_H */