/*

 * 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 2010 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/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_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 */