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/*
* CDDL HEADER START
*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_ZFS_IOCTL_H
#define _SYS_ZFS_IOCTL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/cred.h>
#include <sys/dmu.h>
#include <sys/zio.h>
#include <sys/dsl_deleg.h>
#ifdef _KERNEL
#include <sys/nvpair.h>
#endif /* _KERNEL */
#ifdef __cplusplus
extern "C" {
#endif
/*
* Property values for snapdir
*/
#define ZFS_SNAPDIR_HIDDEN 0
#define ZFS_SNAPDIR_VISIBLE 1
#define DMU_BACKUP_STREAM_VERSION (1ULL)
#define DMU_BACKUP_HEADER_VERSION (2ULL)
#define DMU_BACKUP_MAGIC 0x2F5bacbacULL
#define DRR_FLAG_CLONE (1<<0)
#define DRR_FLAG_CI_DATA (1<<1)
/*
* zfs ioctl command structure
*/
typedef struct dmu_replay_record {
enum {
DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS,
DRR_WRITE, DRR_FREE, DRR_END,
} drr_type;
uint32_t drr_payloadlen;
union {
struct drr_begin {
uint64_t drr_magic;
uint64_t drr_version;
uint64_t drr_creation_time;
dmu_objset_type_t drr_type;
uint32_t drr_flags;
uint64_t drr_toguid;
uint64_t drr_fromguid;
char drr_toname[MAXNAMELEN];
} drr_begin;
struct drr_end {
zio_cksum_t drr_checksum;
} drr_end;
struct drr_object {
uint64_t drr_object;
dmu_object_type_t drr_type;
dmu_object_type_t drr_bonustype;
uint32_t drr_blksz;
uint32_t drr_bonuslen;
uint8_t drr_checksum;
uint8_t drr_compress;
uint8_t drr_pad[6];
/* bonus content follows */
} drr_object;
struct drr_freeobjects {
uint64_t drr_firstobj;
uint64_t drr_numobjs;
} drr_freeobjects;
struct drr_write {
uint64_t drr_object;
dmu_object_type_t drr_type;
uint32_t drr_pad;
uint64_t drr_offset;
uint64_t drr_length;
/* content follows */
} drr_write;
struct drr_free {
uint64_t drr_object;
uint64_t drr_offset;
uint64_t drr_length;
} drr_free;
} drr_u;
} dmu_replay_record_t;
typedef struct zinject_record {
uint64_t zi_objset;
uint64_t zi_object;
uint64_t zi_start;
uint64_t zi_end;
uint64_t zi_guid;
uint32_t zi_level;
uint32_t zi_error;
uint64_t zi_type;
uint32_t zi_freq;
uint32_t zi_pad; /* pad out to 64 bit alignment */
} zinject_record_t;
#define ZINJECT_NULL 0x1
#define ZINJECT_FLUSH_ARC 0x2
#define ZINJECT_UNLOAD_SPA 0x4
typedef struct zfs_share {
uint64_t z_exportdata;
uint64_t z_sharedata;
uint64_t z_sharetype; /* 0 = share, 1 = unshare */
uint64_t z_sharemax; /* max length of share string */
} zfs_share_t;
/*
* ZFS file systems may behave the usual, POSIX-compliant way, where
* name lookups are case-sensitive. They may also be set up so that
* all the name lookups are case-insensitive, or so that only some
* lookups, the ones that set an FIGNORECASE flag, are case-insensitive.
*/
typedef enum zfs_case {
ZFS_CASE_SENSITIVE,
ZFS_CASE_INSENSITIVE,
ZFS_CASE_MIXED
} zfs_case_t;
typedef struct zfs_cmd {
char zc_name[MAXPATHLEN];
char zc_value[MAXPATHLEN * 2];
char zc_string[MAXNAMELEN];
uint64_t zc_guid;
uint64_t zc_nvlist_conf; /* really (char *) */
uint64_t zc_nvlist_conf_size;
uint64_t zc_nvlist_src; /* really (char *) */
uint64_t zc_nvlist_src_size;
uint64_t zc_nvlist_dst; /* really (char *) */
uint64_t zc_nvlist_dst_size;
uint64_t zc_cookie;
uint64_t zc_objset_type;
uint64_t zc_perm_action;
uint64_t zc_history; /* really (char *) */
uint64_t zc_history_len;
uint64_t zc_history_offset;
uint64_t zc_obj;
zfs_share_t zc_share;
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
zinject_record_t zc_inject_record;
} zfs_cmd_t;
#define ZVOL_MAX_MINOR (1 << 16)
#define ZFS_MIN_MINOR (ZVOL_MAX_MINOR + 1)
#ifdef _KERNEL
typedef struct zfs_creat {
nvlist_t *zct_zplprops;
nvlist_t *zct_props;
} zfs_creat_t;
extern dev_info_t *zfs_dip;
extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
extern int zfs_secpolicy_rename_perms(const char *from,
const char *to, cred_t *cr);
extern int zfs_secpolicy_destroy_perms(const char *name, cred_t *cr);
extern int zfs_busy(void);
extern int zfs_unmount_snap(char *, void *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZFS_IOCTL_H */
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