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          --- old/usr/src/lib/libzfs/common/libzfs.h
          +++ new/usr/src/lib/libzfs/common/libzfs.h
   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  
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  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  24      - * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
       24 + * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
  25   25   * Copyright (c) 2012 by Delphix. All rights reserved.
  26   26   * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  27   27   */
  28   28  
  29   29  #ifndef _LIBZFS_H
  30   30  #define _LIBZFS_H
  31   31  
  32   32  #include <assert.h>
  33   33  #include <libnvpair.h>
  34   34  #include <sys/mnttab.h>
  35   35  #include <sys/param.h>
  36   36  #include <sys/types.h>
  37   37  #include <sys/varargs.h>
  38   38  #include <sys/fs/zfs.h>
  39   39  #include <sys/avl.h>
  40   40  #include <ucred.h>
  41   41  
  42   42  #ifdef  __cplusplus
  43   43  extern "C" {
  44   44  #endif
  45   45  
  46   46  /*
  47   47   * Miscellaneous ZFS constants
  48   48   */
  49   49  #define ZFS_MAXNAMELEN          MAXNAMELEN
  50   50  #define ZPOOL_MAXNAMELEN        MAXNAMELEN
  51   51  #define ZFS_MAXPROPLEN          (2 * MAXPATHLEN)
  52   52  #define ZPOOL_MAXPROPLEN        MAXPATHLEN
  53   53  
  54   54  /*
  55   55   * libzfs errors
  56   56   */
  57   57  typedef enum zfs_error {
  58   58          EZFS_SUCCESS = 0,       /* no error -- success */
  59   59          EZFS_NOMEM = 2000,      /* out of memory */
  60   60          EZFS_BADPROP,           /* invalid property value */
  61   61          EZFS_PROPREADONLY,      /* cannot set readonly property */
  62   62          EZFS_PROPTYPE,          /* property does not apply to dataset type */
  63   63          EZFS_PROPNONINHERIT,    /* property is not inheritable */
  64   64          EZFS_PROPSPACE,         /* bad quota or reservation */
  65   65          EZFS_BADTYPE,           /* dataset is not of appropriate type */
  66   66          EZFS_BUSY,              /* pool or dataset is busy */
  67   67          EZFS_EXISTS,            /* pool or dataset already exists */
  68   68          EZFS_NOENT,             /* no such pool or dataset */
  69   69          EZFS_BADSTREAM,         /* bad backup stream */
  70   70          EZFS_DSREADONLY,        /* dataset is readonly */
  71   71          EZFS_VOLTOOBIG,         /* volume is too large for 32-bit system */
  72   72          EZFS_INVALIDNAME,       /* invalid dataset name */
  73   73          EZFS_BADRESTORE,        /* unable to restore to destination */
  74   74          EZFS_BADBACKUP,         /* backup failed */
  75   75          EZFS_BADTARGET,         /* bad attach/detach/replace target */
  76   76          EZFS_NODEVICE,          /* no such device in pool */
  77   77          EZFS_BADDEV,            /* invalid device to add */
  78   78          EZFS_NOREPLICAS,        /* no valid replicas */
  79   79          EZFS_RESILVERING,       /* currently resilvering */
  80   80          EZFS_BADVERSION,        /* unsupported version */
  81   81          EZFS_POOLUNAVAIL,       /* pool is currently unavailable */
  82   82          EZFS_DEVOVERFLOW,       /* too many devices in one vdev */
  83   83          EZFS_BADPATH,           /* must be an absolute path */
  84   84          EZFS_CROSSTARGET,       /* rename or clone across pool or dataset */
  85   85          EZFS_ZONED,             /* used improperly in local zone */
  86   86          EZFS_MOUNTFAILED,       /* failed to mount dataset */
  87   87          EZFS_UMOUNTFAILED,      /* failed to unmount dataset */
  88   88          EZFS_UNSHARENFSFAILED,  /* unshare(1M) failed */
  89   89          EZFS_SHARENFSFAILED,    /* share(1M) failed */
  90   90          EZFS_PERM,              /* permission denied */
  91   91          EZFS_NOSPC,             /* out of space */
  92   92          EZFS_FAULT,             /* bad address */
  93   93          EZFS_IO,                /* I/O error */
  94   94          EZFS_INTR,              /* signal received */
  95   95          EZFS_ISSPARE,           /* device is a hot spare */
  96   96          EZFS_INVALCONFIG,       /* invalid vdev configuration */
  97   97          EZFS_RECURSIVE,         /* recursive dependency */
  98   98          EZFS_NOHISTORY,         /* no history object */
  99   99          EZFS_POOLPROPS,         /* couldn't retrieve pool props */
 100  100          EZFS_POOL_NOTSUP,       /* ops not supported for this type of pool */
 101  101          EZFS_POOL_INVALARG,     /* invalid argument for this pool operation */
 102  102          EZFS_NAMETOOLONG,       /* dataset name is too long */
 103  103          EZFS_OPENFAILED,        /* open of device failed */
 104  104          EZFS_NOCAP,             /* couldn't get capacity */
 105  105          EZFS_LABELFAILED,       /* write of label failed */
 106  106          EZFS_BADWHO,            /* invalid permission who */
 107  107          EZFS_BADPERM,           /* invalid permission */
 108  108          EZFS_BADPERMSET,        /* invalid permission set name */
 109  109          EZFS_NODELEGATION,      /* delegated administration is disabled */
 110  110          EZFS_UNSHARESMBFAILED,  /* failed to unshare over smb */
 111  111          EZFS_SHARESMBFAILED,    /* failed to share over smb */
 112  112          EZFS_BADCACHE,          /* bad cache file */
 113  113          EZFS_ISL2CACHE,         /* device is for the level 2 ARC */
 114  114          EZFS_VDEVNOTSUP,        /* unsupported vdev type */
 115  115          EZFS_NOTSUP,            /* ops not supported on this dataset */
 116  116          EZFS_ACTIVE_SPARE,      /* pool has active shared spare devices */
 117  117          EZFS_UNPLAYED_LOGS,     /* log device has unplayed logs */
 118  118          EZFS_REFTAG_RELE,       /* snapshot release: tag not found */
 119  119          EZFS_REFTAG_HOLD,       /* snapshot hold: tag already exists */
 120  120          EZFS_TAGTOOLONG,        /* snapshot hold/rele: tag too long */
 121  121          EZFS_PIPEFAILED,        /* pipe create failed */
 122  122          EZFS_THREADCREATEFAILED, /* thread create failed */
 123  123          EZFS_POSTSPLIT_ONLINE,  /* onlining a disk after splitting it */
 124  124          EZFS_SCRUBBING,         /* currently scrubbing */
 125  125          EZFS_NO_SCRUB,          /* no active scrub */
 126  126          EZFS_DIFF,              /* general failure of zfs diff */
 127  127          EZFS_DIFFDATA,          /* bad zfs diff data */
 128  128          EZFS_POOLREADONLY,      /* pool is in read-only mode */
 129  129          EZFS_UNKNOWN
 130  130  } zfs_error_t;
 131  131  
 132  132  /*
 133  133   * The following data structures are all part
 134  134   * of the zfs_allow_t data structure which is
 135  135   * used for printing 'allow' permissions.
 136  136   * It is a linked list of zfs_allow_t's which
 137  137   * then contain avl tree's for user/group/sets/...
 138  138   * and each one of the entries in those trees have
 139  139   * avl tree's for the permissions they belong to and
 140  140   * whether they are local,descendent or local+descendent
 141  141   * permissions.  The AVL trees are used primarily for
 142  142   * sorting purposes, but also so that we can quickly find
 143  143   * a given user and or permission.
 144  144   */
 145  145  typedef struct zfs_perm_node {
 146  146          avl_node_t z_node;
 147  147          char z_pname[MAXPATHLEN];
 148  148  } zfs_perm_node_t;
 149  149  
 150  150  typedef struct zfs_allow_node {
 151  151          avl_node_t z_node;
 152  152          char z_key[MAXPATHLEN];         /* name, such as joe */
 153  153          avl_tree_t z_localdescend;      /* local+descendent perms */
 154  154          avl_tree_t z_local;             /* local permissions */
 155  155          avl_tree_t z_descend;           /* descendent permissions */
 156  156  } zfs_allow_node_t;
 157  157  
 158  158  typedef struct zfs_allow {
 159  159          struct zfs_allow *z_next;
 160  160          char z_setpoint[MAXPATHLEN];
 161  161          avl_tree_t z_sets;
 162  162          avl_tree_t z_crperms;
 163  163          avl_tree_t z_user;
 164  164          avl_tree_t z_group;
 165  165          avl_tree_t z_everyone;
 166  166  } zfs_allow_t;
 167  167  
 168  168  /*
 169  169   * Basic handle types
 170  170   */
 171  171  typedef struct zfs_handle zfs_handle_t;
 172  172  typedef struct zpool_handle zpool_handle_t;
 173  173  typedef struct libzfs_handle libzfs_handle_t;
 174  174  
 175  175  /*
 176  176   * Library initialization
 177  177   */
 178  178  extern libzfs_handle_t *libzfs_init(void);
 179  179  extern void libzfs_fini(libzfs_handle_t *);
 180  180  
 181  181  extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
 182  182  extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
 183  183  
 184  184  extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
 185  185  
 186  186  extern void zfs_save_arguments(int argc, char **, char *, int);
 187  187  extern int zpool_log_history(libzfs_handle_t *, const char *);
 188  188  
 189  189  extern int libzfs_errno(libzfs_handle_t *);
 190  190  extern const char *libzfs_error_action(libzfs_handle_t *);
 191  191  extern const char *libzfs_error_description(libzfs_handle_t *);
 192  192  extern void libzfs_mnttab_init(libzfs_handle_t *);
 193  193  extern void libzfs_mnttab_fini(libzfs_handle_t *);
 194  194  extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
 195  195  extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
 196  196      struct mnttab *);
 197  197  extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
 198  198      const char *, const char *);
 199  199  extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
 200  200  
 201  201  /*
 202  202   * Basic handle functions
 203  203   */
 204  204  extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
 205  205  extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
 206  206  extern void zpool_close(zpool_handle_t *);
 207  207  extern const char *zpool_get_name(zpool_handle_t *);
 208  208  extern int zpool_get_state(zpool_handle_t *);
 209  209  extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
 210  210  extern void zpool_free_handles(libzfs_handle_t *);
 211  211  
 212  212  /*
 213  213   * Iterate over all active pools in the system.
 214  214   */
 215  215  typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
 216  216  extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
 217  217  
 218  218  /*
 219  219   * Functions to create and destroy pools
 220  220   */
 221  221  extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
 222  222      nvlist_t *, nvlist_t *);
 223  223  extern int zpool_destroy(zpool_handle_t *, const char *);
 224  224  extern int zpool_add(zpool_handle_t *, nvlist_t *);
 225  225  
 226  226  typedef struct splitflags {
 227  227          /* do not split, but return the config that would be split off */
 228  228          int dryrun : 1;
 229  229  
 230  230          /* after splitting, import the pool */
 231  231          int import : 1;
 232  232  } splitflags_t;
 233  233  
 234  234  /*
 235  235   * Functions to manipulate pool and vdev state
 236  236   */
 237  237  extern int zpool_scan(zpool_handle_t *, pool_scan_func_t);
 238  238  extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
 239  239  extern int zpool_reguid(zpool_handle_t *);
 240  240  extern int zpool_reopen(zpool_handle_t *);
 241  241  
 242  242  extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
 243  243      vdev_state_t *);
 244  244  extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
 245  245  extern int zpool_vdev_attach(zpool_handle_t *, const char *,
 246  246      const char *, nvlist_t *, int);
 247  247  extern int zpool_vdev_detach(zpool_handle_t *, const char *);
 248  248  extern int zpool_vdev_remove(zpool_handle_t *, const char *);
 249  249  extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *,
 250  250      splitflags_t);
 251  251  
 252  252  extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
 253  253  extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
 254  254  extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
 255  255  
 256  256  extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
 257  257      boolean_t *, boolean_t *);
 258  258  extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
 259  259      boolean_t *, boolean_t *, boolean_t *);
 260  260  extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
 261  261  
 262  262  /*
 263  263   * Functions to manage pool properties
 264  264   */
 265  265  extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
 266  266  extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
 267  267      size_t proplen, zprop_source_t *);
 268  268  extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
 269  269      zprop_source_t *);
 270  270  
 271  271  extern const char *zpool_prop_to_name(zpool_prop_t);
 272  272  extern const char *zpool_prop_values(zpool_prop_t);
 273  273  
 274  274  /*
 275  275   * Pool health statistics.
 276  276   */
 277  277  typedef enum {
 278  278          /*
 279  279           * The following correspond to faults as defined in the (fault.fs.zfs.*)
 280  280           * event namespace.  Each is associated with a corresponding message ID.
 281  281           */
 282  282          ZPOOL_STATUS_CORRUPT_CACHE,     /* corrupt /kernel/drv/zpool.cache */
 283  283          ZPOOL_STATUS_MISSING_DEV_R,     /* missing device with replicas */
 284  284          ZPOOL_STATUS_MISSING_DEV_NR,    /* missing device with no replicas */
 285  285          ZPOOL_STATUS_CORRUPT_LABEL_R,   /* bad device label with replicas */
 286  286          ZPOOL_STATUS_CORRUPT_LABEL_NR,  /* bad device label with no replicas */
 287  287          ZPOOL_STATUS_BAD_GUID_SUM,      /* sum of device guids didn't match */
 288  288          ZPOOL_STATUS_CORRUPT_POOL,      /* pool metadata is corrupted */
 289  289          ZPOOL_STATUS_CORRUPT_DATA,      /* data errors in user (meta)data */
 290  290          ZPOOL_STATUS_FAILING_DEV,       /* device experiencing errors */
 291  291          ZPOOL_STATUS_VERSION_NEWER,     /* newer on-disk version */
 292  292          ZPOOL_STATUS_HOSTID_MISMATCH,   /* last accessed by another system */
 293  293          ZPOOL_STATUS_IO_FAILURE_WAIT,   /* failed I/O, failmode 'wait' */
 294  294          ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
 295  295          ZPOOL_STATUS_BAD_LOG,           /* cannot read log chain(s) */
 296  296  
 297  297          /*
 298  298           * If the pool has unsupported features but can still be opened in
 299  299           * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
 300  300           * pool has unsupported features but cannot be opened at all, its
 301  301           * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
 302  302           */
 303  303          ZPOOL_STATUS_UNSUP_FEAT_READ,   /* unsupported features for read */
 304  304          ZPOOL_STATUS_UNSUP_FEAT_WRITE,  /* unsupported features for write */
 305  305  
 306  306          /*
 307  307           * These faults have no corresponding message ID.  At the time we are
 308  308           * checking the status, the original reason for the FMA fault (I/O or
 309  309           * checksum errors) has been lost.
 310  310           */
 311  311          ZPOOL_STATUS_FAULTED_DEV_R,     /* faulted device with replicas */
 312  312          ZPOOL_STATUS_FAULTED_DEV_NR,    /* faulted device with no replicas */
 313  313  
 314  314          /*
 315  315           * The following are not faults per se, but still an error possibly
 316  316           * requiring administrative attention.  There is no corresponding
 317  317           * message ID.
 318  318           */
 319  319          ZPOOL_STATUS_VERSION_OLDER,     /* older legacy on-disk version */
 320  320          ZPOOL_STATUS_FEAT_DISABLED,     /* supported features are disabled */
 321  321          ZPOOL_STATUS_RESILVERING,       /* device being resilvered */
 322  322          ZPOOL_STATUS_OFFLINE_DEV,       /* device online */
 323  323          ZPOOL_STATUS_REMOVED_DEV,       /* removed device */
 324  324  
 325  325          /*
 326  326           * Finally, the following indicates a healthy pool.
 327  327           */
 328  328          ZPOOL_STATUS_OK
 329  329  } zpool_status_t;
 330  330  
 331  331  extern zpool_status_t zpool_get_status(zpool_handle_t *, char **);
 332  332  extern zpool_status_t zpool_import_status(nvlist_t *, char **);
 333  333  extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh);
 334  334  
 335  335  /*
 336  336   * Statistics and configuration functions.
 337  337   */
 338  338  extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
 339  339  extern nvlist_t *zpool_get_features(zpool_handle_t *);
 340  340  extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
 341  341  extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
 342  342  
 343  343  /*
 344  344   * Import and export functions
 345  345   */
 346  346  extern int zpool_export(zpool_handle_t *, boolean_t, const char *);
 347  347  extern int zpool_export_force(zpool_handle_t *, const char *);
 348  348  extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
 349  349      char *altroot);
 350  350  extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
 351  351      nvlist_t *, int);
 352  352  extern void zpool_print_unsup_feat(nvlist_t *config);
 353  353  
 354  354  /*
 355  355   * Search for pools to import
 356  356   */
 357  357  
 358  358  typedef struct importargs {
 359  359          char **path;            /* a list of paths to search            */
 360  360          int paths;              /* number of paths to search            */
 361  361          char *poolname;         /* name of a pool to find               */
 362  362          uint64_t guid;          /* guid of a pool to find               */
 363  363          char *cachefile;        /* cachefile to use for import          */
 364  364          int can_be_active : 1;  /* can the pool be active?              */
 365  365          int unique : 1;         /* does 'poolname' already exist?       */
 366  366          int exists : 1;         /* set on return if pool already exists */
 367  367  } importargs_t;
 368  368  
 369  369  extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);
 370  370  
 371  371  /* legacy pool search routines */
 372  372  extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
 373  373  extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *,
 374  374      char *, uint64_t);
 375  375  
 376  376  /*
 377  377   * Miscellaneous pool functions
 378  378   */
 379  379  struct zfs_cmd;
 380  380  
 381  381  extern const char *zfs_history_event_names[];
 382  382  
 383  383  extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
 384  384      boolean_t verbose);
 385  385  extern int zpool_upgrade(zpool_handle_t *, uint64_t);
 386  386  extern int zpool_get_history(zpool_handle_t *, nvlist_t **);
 387  387  extern int zpool_history_unpack(char *, uint64_t, uint64_t *,
 388  388      nvlist_t ***, uint_t *);
 389  389  extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
 390  390      size_t len);
 391  391  extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
 392  392  extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
 393  393  extern void zpool_explain_recover(libzfs_handle_t *, const char *, int,
 394  394      nvlist_t *);
 395  395  
 396  396  /*
 397  397   * Basic handle manipulations.  These functions do not create or destroy the
 398  398   * underlying datasets, only the references to them.
 399  399   */
 400  400  extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
 401  401  extern zfs_handle_t *zfs_handle_dup(zfs_handle_t *);
 402  402  extern void zfs_close(zfs_handle_t *);
 403  403  extern zfs_type_t zfs_get_type(const zfs_handle_t *);
 404  404  extern const char *zfs_get_name(const zfs_handle_t *);
 405  405  extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
 406  406  
 407  407  /*
 408  408   * Property management functions.  Some functions are shared with the kernel,
 409  409   * and are found in sys/fs/zfs.h.
 410  410   */
 411  411  
 412  412  /*
 413  413   * zfs dataset property management
 414  414   */
 415  415  extern const char *zfs_prop_default_string(zfs_prop_t);
 416  416  extern uint64_t zfs_prop_default_numeric(zfs_prop_t);
 417  417  extern const char *zfs_prop_column_name(zfs_prop_t);
 418  418  extern boolean_t zfs_prop_align_right(zfs_prop_t);
 419  419  
 420  420  extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
 421  421      nvlist_t *, uint64_t, zfs_handle_t *, const char *);
 422  422  
 423  423  extern const char *zfs_prop_to_name(zfs_prop_t);
 424  424  extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
 425  425  extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
 426  426      zprop_source_t *, char *, size_t, boolean_t);
 427  427  extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
 428  428      boolean_t);
 429  429  extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
 430  430      zprop_source_t *, char *, size_t);
 431  431  extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
 432  432      uint64_t *propvalue);
 433  433  extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
 434  434      char *propbuf, int proplen, boolean_t literal);
 435  435  extern int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
 436  436      uint64_t *propvalue);
 437  437  extern int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
 438  438      char *propbuf, int proplen, boolean_t literal);
 439  439  extern int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname,
 440  440      char *buf, size_t len);
 441  441  extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
 442  442  extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
 443  443  extern const char *zfs_prop_values(zfs_prop_t);
 444  444  extern int zfs_prop_is_string(zfs_prop_t prop);
 445  445  extern nvlist_t *zfs_get_user_props(zfs_handle_t *);
 446  446  extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
 447  447  extern nvlist_t *zfs_get_clones_nvl(zfs_handle_t *);
 448  448  
 449  449  
 450  450  typedef struct zprop_list {
 451  451          int             pl_prop;
 452  452          char            *pl_user_prop;
 453  453          struct zprop_list *pl_next;
 454  454          boolean_t       pl_all;
 455  455          size_t          pl_width;
 456  456          size_t          pl_recvd_width;
 457  457          boolean_t       pl_fixed;
 458  458  } zprop_list_t;
 459  459  
 460  460  extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t);
 461  461  extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
 462  462  
 463  463  #define ZFS_MOUNTPOINT_NONE     "none"
 464  464  #define ZFS_MOUNTPOINT_LEGACY   "legacy"
 465  465  
 466  466  #define ZFS_FEATURE_DISABLED    "disabled"
 467  467  #define ZFS_FEATURE_ENABLED     "enabled"
 468  468  #define ZFS_FEATURE_ACTIVE      "active"
 469  469  
 470  470  #define ZFS_UNSUPPORTED_INACTIVE        "inactive"
 471  471  #define ZFS_UNSUPPORTED_READONLY        "readonly"
 472  472  
 473  473  /*
 474  474   * zpool property management
 475  475   */
 476  476  extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
 477  477  extern int zpool_prop_get_feature(zpool_handle_t *, const char *, char *,
 478  478      size_t);
 479  479  extern const char *zpool_prop_default_string(zpool_prop_t);
 480  480  extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
 481  481  extern const char *zpool_prop_column_name(zpool_prop_t);
 482  482  extern boolean_t zpool_prop_align_right(zpool_prop_t);
 483  483  
 484  484  /*
 485  485   * Functions shared by zfs and zpool property management.
 486  486   */
 487  487  extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
 488  488      boolean_t ordered, zfs_type_t type);
 489  489  extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
 490  490      zfs_type_t);
 491  491  extern void zprop_free_list(zprop_list_t *);
 492  492  
 493  493  #define ZFS_GET_NCOLS   5
 494  494  
 495  495  typedef enum {
 496  496          GET_COL_NONE,
 497  497          GET_COL_NAME,
 498  498          GET_COL_PROPERTY,
 499  499          GET_COL_VALUE,
 500  500          GET_COL_RECVD,
 501  501          GET_COL_SOURCE
 502  502  } zfs_get_column_t;
 503  503  
 504  504  /*
 505  505   * Functions for printing zfs or zpool properties
 506  506   */
 507  507  typedef struct zprop_get_cbdata {
 508  508          int cb_sources;
 509  509          zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
 510  510          int cb_colwidths[ZFS_GET_NCOLS + 1];
 511  511          boolean_t cb_scripted;
 512  512          boolean_t cb_literal;
 513  513          boolean_t cb_first;
 514  514          zprop_list_t *cb_proplist;
 515  515          zfs_type_t cb_type;
 516  516  } zprop_get_cbdata_t;
 517  517  
 518  518  void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
 519  519      const char *, const char *, zprop_source_t, const char *,
 520  520      const char *);
 521  521  
 522  522  /*
 523  523   * Iterator functions.
 524  524   */
 525  525  typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
 526  526  extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
 527  527  extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
 528  528  extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
 529  529  extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
 530  530  extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *);
 531  531  extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *);
 532  532  extern int zfs_iter_snapspec(zfs_handle_t *, const char *, zfs_iter_f, void *);
 533  533  
 534  534  typedef struct get_all_cb {
 535  535          zfs_handle_t    **cb_handles;
 536  536          size_t          cb_alloc;
 537  537          size_t          cb_used;
 538  538          boolean_t       cb_verbose;
 539  539          int             (*cb_getone)(zfs_handle_t *, void *);
 540  540  } get_all_cb_t;
 541  541  
 542  542  void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
 543  543  int libzfs_dataset_cmp(const void *, const void *);
 544  544  
 545  545  /*
 546  546   * Functions to create and destroy datasets.
 547  547   */
 548  548  extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
 549  549      nvlist_t *);
 550  550  extern int zfs_create_ancestors(libzfs_handle_t *, const char *);
 551  551  extern int zfs_destroy(zfs_handle_t *, boolean_t);
 552  552  extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
 553  553  extern int zfs_destroy_snaps_nvl(zfs_handle_t *, nvlist_t *, boolean_t);
 554  554  extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
 555  555  extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *);
 556  556  extern int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps,
 557  557      nvlist_t *props);
 558  558  extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
 559  559  extern int zfs_rename(zfs_handle_t *, const char *, boolean_t, boolean_t);
 560  560  
 561  561  typedef struct sendflags {
 562  562          /* print informational messages (ie, -v was specified) */
 563  563          boolean_t verbose;
 564  564  
 565  565          /* recursive send  (ie, -R) */
 566  566          boolean_t replicate;
 567  567  
 568  568          /* for incrementals, do all intermediate snapshots */
 569  569          boolean_t doall;
 570  570  
 571  571          /* if dataset is a clone, do incremental from its origin */
 572  572          boolean_t fromorigin;
  
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 573  573  
 574  574          /* do deduplication */
 575  575          boolean_t dedup;
 576  576  
 577  577          /* send properties (ie, -p) */
 578  578          boolean_t props;
 579  579  
 580  580          /* do not send (no-op, ie. -n) */
 581  581          boolean_t dryrun;
 582  582  
      583 +        /* do not send (just calculate exact send stream size, ie. -s */
      584 +        boolean_t sendsize;
      585 +
 583  586          /* parsable verbose output (ie. -P) */
 584  587          boolean_t parsable;
 585  588  
 586  589          /* show progress (ie. -v) */
 587  590          boolean_t progress;
 588  591  } sendflags_t;
 589  592  
 590  593  typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
 591  594  
 592  595  extern int zfs_send(zfs_handle_t *, const char *, const char *,
 593  596      sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **);
 594  597  
 595  598  extern int zfs_promote(zfs_handle_t *);
 596  599  extern int zfs_hold(zfs_handle_t *, const char *, const char *, boolean_t,
 597  600      boolean_t, boolean_t, int, uint64_t, uint64_t);
 598  601  extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t);
 599  602  extern int zfs_get_holds(zfs_handle_t *, nvlist_t **);
 600  603  extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *);
 601  604  
 602  605  typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
 603  606      uid_t rid, uint64_t space);
 604  607  
 605  608  extern int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t,
 606  609      zfs_userspace_cb_t, void *);
 607  610  
 608  611  extern int zfs_get_fsacl(zfs_handle_t *, nvlist_t **);
 609  612  extern int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *);
 610  613  
 611  614  typedef struct recvflags {
 612  615          /* print informational messages (ie, -v was specified) */
 613  616          boolean_t verbose;
 614  617  
 615  618          /* the destination is a prefix, not the exact fs (ie, -d) */
 616  619          boolean_t isprefix;
 617  620  
 618  621          /*
 619  622           * Only the tail of the sent snapshot path is appended to the
 620  623           * destination to determine the received snapshot name (ie, -e).
 621  624           */
 622  625          boolean_t istail;
 623  626  
 624  627          /* do not actually do the recv, just check if it would work (ie, -n) */
 625  628          boolean_t dryrun;
 626  629  
 627  630          /* rollback/destroy filesystems as necessary (eg, -F) */
 628  631          boolean_t force;
 629  632  
 630  633          /* set "canmount=off" on all modified filesystems */
 631  634          boolean_t canmountoff;
 632  635  
 633  636          /* byteswap flag is used internally; callers need not specify */
 634  637          boolean_t byteswap;
 635  638  
 636  639          /* do not mount file systems as they are extracted (private) */
 637  640          boolean_t nomount;
 638  641  } recvflags_t;
 639  642  
 640  643  extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t *,
 641  644      int, avl_tree_t *);
 642  645  
 643  646  typedef enum diff_flags {
 644  647          ZFS_DIFF_PARSEABLE = 0x1,
 645  648          ZFS_DIFF_TIMESTAMP = 0x2,
 646  649          ZFS_DIFF_CLASSIFY = 0x4
 647  650  } diff_flags_t;
 648  651  
 649  652  extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
 650  653      int);
 651  654  
 652  655  /*
 653  656   * Miscellaneous functions.
 654  657   */
 655  658  extern const char *zfs_type_to_name(zfs_type_t);
 656  659  extern void zfs_refresh_properties(zfs_handle_t *);
 657  660  extern int zfs_name_valid(const char *, zfs_type_t);
 658  661  extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t);
 659  662  extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
 660  663      zfs_type_t);
 661  664  extern int zfs_spa_version(zfs_handle_t *, int *);
 662  665  
 663  666  /*
 664  667   * Mount support functions.
 665  668   */
 666  669  extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
 667  670  extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
 668  671  extern int zfs_mount(zfs_handle_t *, const char *, int);
 669  672  extern int zfs_unmount(zfs_handle_t *, const char *, int);
 670  673  extern int zfs_unmountall(zfs_handle_t *, int);
 671  674  
 672  675  /*
 673  676   * Share support functions.
 674  677   */
 675  678  extern boolean_t zfs_is_shared(zfs_handle_t *);
 676  679  extern int zfs_share(zfs_handle_t *);
 677  680  extern int zfs_unshare(zfs_handle_t *);
 678  681  
 679  682  /*
 680  683   * Protocol-specific share support functions.
 681  684   */
 682  685  extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
 683  686  extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
 684  687  extern int zfs_share_nfs(zfs_handle_t *);
 685  688  extern int zfs_share_smb(zfs_handle_t *);
 686  689  extern int zfs_shareall(zfs_handle_t *);
 687  690  extern int zfs_unshare_nfs(zfs_handle_t *, const char *);
 688  691  extern int zfs_unshare_smb(zfs_handle_t *, const char *);
 689  692  extern int zfs_unshareall_nfs(zfs_handle_t *);
 690  693  extern int zfs_unshareall_smb(zfs_handle_t *);
 691  694  extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
 692  695  extern int zfs_unshareall(zfs_handle_t *);
 693  696  extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
 694  697      void *, void *, int, zfs_share_op_t);
 695  698  
 696  699  /*
 697  700   * When dealing with nvlists, verify() is extremely useful
 698  701   */
 699  702  #ifdef NDEBUG
 700  703  #define verify(EX)      ((void)(EX))
 701  704  #else
 702  705  #define verify(EX)      assert(EX)
 703  706  #endif
 704  707  
 705  708  /*
 706  709   * Utility function to convert a number to a human-readable form.
 707  710   */
 708  711  extern void zfs_nicenum(uint64_t, char *, size_t);
 709  712  extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
 710  713  
 711  714  /*
 712  715   * Given a device or file, determine if it is part of a pool.
 713  716   */
 714  717  extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
 715  718      boolean_t *);
 716  719  
 717  720  /*
 718  721   * Label manipulation.
 719  722   */
 720  723  extern int zpool_read_label(int, nvlist_t **);
 721  724  extern int zpool_clear_label(int);
 722  725  
 723  726  /* is this zvol valid for use as a dump device? */
 724  727  extern int zvol_check_dump_config(char *);
 725  728  
 726  729  /*
 727  730   * Management interfaces for SMB ACL files
 728  731   */
 729  732  
 730  733  int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
 731  734  int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
 732  735  int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
 733  736  int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
 734  737  
 735  738  /*
 736  739   * Enable and disable datasets within a pool by mounting/unmounting and
 737  740   * sharing/unsharing them.
 738  741   */
 739  742  extern int zpool_enable_datasets(zpool_handle_t *, const char *, int);
 740  743  extern int zpool_disable_datasets(zpool_handle_t *, boolean_t);
 741  744  
 742  745  /*
 743  746   * Mappings between vdev and FRU.
 744  747   */
 745  748  extern void libzfs_fru_refresh(libzfs_handle_t *);
 746  749  extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *);
 747  750  extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *);
 748  751  extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *,
 749  752      const char *);
 750  753  extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
 751  754  extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
 752  755  
 753  756  #ifdef  __cplusplus
 754  757  }
 755  758  #endif
 756  759  
 757  760  #endif  /* _LIBZFS_H */
  
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