OpenSolaris_b135/lib/libzfs/common/libzfs_impl.h
/*
* CDDL HEADER SART
*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _LIBFS_IMPL_H
#define _LIBFS_IMPL_H
#include <sys/dmu.h>
#include <sys/fs/zfs.h>
#include <sys/zfs_ioctl.h>
#include <sys/zfs_acl.h>
#include <sys/spa.h>
#include <sys/nvpair.h>
#include <libuutil.h>
#include <libzfs.h>
#include <libshare.h>
#include <fm/libtopo.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef VERIFY
#undef VERIFY
#endif
#define VERIFY verify
typedef struct libzfs_fru {
char *zf_device;
char *zf_fru;
struct libzfs_fru *zf_chain;
struct libzfs_fru *zf_next;
} libzfs_fru_t;
struct libzfs_handle {
int libzfs_error;
int libzfs_fd;
FILE *libzfs_mnttab;
FILE *libzfs_sharetab;
zpool_handle_t *libzfs_pool_handles;
uu_avl_pool_t *libzfs_ns_avlpool;
uu_avl_t *libzfs_ns_avl;
uint64_t libzfs_ns_gen;
int libzfs_desc_active;
char libzfs_action[1024];
char libzfs_desc[1024];
char *libzfs_log_str;
int libzfs_printerr;
void *libzfs_sharehdl; /* libshare handle */
uint_t libzfs_shareflags;
boolean_t libzfs_mnttab_enable;
avl_tree_t libzfs_mnttab_cache;
int libzfs_pool_iter;
topo_hdl_t *libzfs_topo_hdl;
libzfs_fru_t **libzfs_fru_hash;
libzfs_fru_t *libzfs_fru_list;
char libzfs_chassis_id[256];
};
#define ZFSSHARE_MISS 0x01 /* Didn't find entry in cache */
struct zfs_handle {
libzfs_handle_t *zfs_hdl;
zpool_handle_t *zpool_hdl;
char zfs_name[ZFS_MAXNAMELEN];
zfs_type_t zfs_type; /* type including snapshot */
zfs_type_t zfs_head_type; /* type excluding snapshot */
dmu_objset_stats_t zfs_dmustats;
nvlist_t *zfs_props;
nvlist_t *zfs_user_props;
nvlist_t *zfs_recvd_props;
boolean_t zfs_mntcheck;
char *zfs_mntopts;
uint8_t *zfs_props_table;
};
/*
* This is different from checking zfs_type, because it will also catch
* snapshots of volumes.
*/
#define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME)
struct zpool_handle {
libzfs_handle_t *zpool_hdl;
zpool_handle_t *zpool_next;
char zpool_name[ZPOOL_MAXNAMELEN];
int zpool_state;
size_t zpool_config_size;
nvlist_t *zpool_config;
nvlist_t *zpool_old_config;
nvlist_t *zpool_props;
diskaddr_t zpool_start_block;
};
typedef enum {
PROTO_NFS = 0,
PROTO_SMB = 1,
PROTO_END = 2
} zfs_share_proto_t;
/*
* The following can be used as a bitmask and any new values
* added must preserve that capability.
*/
typedef enum {
SHARED_NOT_SHARED = 0x0,
SHARED_ISCSI = 0x1,
SHARED_NFS = 0x2,
SHARED_SMB = 0x4
} zfs_share_type_t;
int zfs_error(libzfs_handle_t *, int, const char *);
int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...);
void zfs_error_aux(libzfs_handle_t *, const char *, ...);
void *zfs_alloc(libzfs_handle_t *, size_t);
void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t);
char *zfs_strdup(libzfs_handle_t *, const char *);
int no_memory(libzfs_handle_t *);
int zfs_standard_error(libzfs_handle_t *, int, const char *);
int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
int zpool_standard_error(libzfs_handle_t *, int, const char *);
int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***,
size_t *);
int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t,
nvlist_t *, char **, uint64_t *, const char *);
int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp,
zfs_type_t type);
/*
* Use this changelist_gather() flag to force attempting mounts
* on each change node regardless of whether or not it is currently
* mounted.
*/
#define CL_GATHER_MOUNT_ALWAYS 1
typedef struct prop_changelist prop_changelist_t;
int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t);
int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *);
int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **);
void zcmd_free_nvlists(zfs_cmd_t *);
int changelist_prefix(prop_changelist_t *);
int changelist_postfix(prop_changelist_t *);
void changelist_rename(prop_changelist_t *, const char *, const char *);
void changelist_remove(prop_changelist_t *, const char *);
void changelist_free(prop_changelist_t *);
prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int, int);
int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *);
int changelist_haszonedchild(prop_changelist_t *);
void remove_mountpoint(zfs_handle_t *);
int create_parents(libzfs_handle_t *, char *, int);
boolean_t isa_child_of(const char *dataset, const char *parent);
zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *);
int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **);
boolean_t zpool_name_valid(libzfs_handle_t *, boolean_t, const char *);
void namespace_clear(libzfs_handle_t *);
/*
* libshare (sharemgr) interfaces used internally.
*/
extern int zfs_init_libshare(libzfs_handle_t *, int);
extern void zfs_uninit_libshare(libzfs_handle_t *);
extern int zfs_parse_options(char *, zfs_share_proto_t);
extern int zfs_unshare_proto(zfs_handle_t *,
const char *, zfs_share_proto_t *);
extern void libzfs_fru_clear(libzfs_handle_t *, boolean_t);
#ifdef __cplusplus
}
#endif
#endif /* _LIBFS_IMPL_H */