161 lines
4.5 KiB
C
161 lines
4.5 KiB
C
|
/*
|
||
|
|
* 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 2014 Xin Li <delphij@FreeBSD.org>. All rights reserved.
|
||
|
|
* Copyright 2013 Martin Matuska <mm@FreeBSD.org>. All rights reserved.
|
||
|
|
* Use is subject to license terms.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _SYS_ZFS_IOCTL_COMPAT_H
|
||
|
|
#define _SYS_ZFS_IOCTL_COMPAT_H
|
||
|
|
|
||
|
|
#include <sys/cred.h>
|
||
|
|
#include <sys/dmu.h>
|
||
|
|
#include <sys/zio.h>
|
||
|
|
#include <sys/dsl_deleg.h>
|
||
|
|
#include <sys/zfs_ioctl.h>
|
||
|
|
|
||
|
|
#ifdef _KERNEL
|
||
|
|
#include <sys/nvpair.h>
|
||
|
|
#endif /* _KERNEL */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Backwards ioctl compatibility
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* ioctl versions for vfs.zfs.version.ioctl */
|
||
|
|
#define ZFS_IOCVER_UNDEF -1
|
||
|
|
#define ZFS_IOCVER_NONE 0
|
||
|
|
#define ZFS_IOCVER_DEADMAN 1
|
||
|
|
#define ZFS_IOCVER_LZC 2
|
||
|
|
#define ZFS_IOCVER_ZCMD 3
|
||
|
|
#define ZFS_IOCVER_EDBP 4
|
||
|
|
#define ZFS_IOCVER_RESUME 5
|
||
|
|
#define ZFS_IOCVER_INLANES 6
|
||
|
|
#define ZFS_IOCVER_PAD 7
|
||
|
|
#define ZFS_IOCVER_LEGACY ZFS_IOCVER_PAD
|
||
|
|
#define ZFS_IOCVER_OZFS 15
|
||
|
|
|
||
|
|
/* compatibility conversion flag */
|
||
|
|
#define ZFS_CMD_COMPAT_NONE 0
|
||
|
|
#define ZFS_CMD_COMPAT_V15 1
|
||
|
|
#define ZFS_CMD_COMPAT_V28 2
|
||
|
|
#define ZFS_CMD_COMPAT_DEADMAN 3
|
||
|
|
#define ZFS_CMD_COMPAT_LZC 4
|
||
|
|
#define ZFS_CMD_COMPAT_ZCMD 5
|
||
|
|
#define ZFS_CMD_COMPAT_EDBP 6
|
||
|
|
#define ZFS_CMD_COMPAT_RESUME 7
|
||
|
|
#define ZFS_CMD_COMPAT_INLANES 8
|
||
|
|
#define ZFS_CMD_COMPAT_LEGACY 9
|
||
|
|
|
||
|
|
#define ZFS_IOC_COMPAT_PASS 254
|
||
|
|
#define ZFS_IOC_COMPAT_FAIL 255
|
||
|
|
|
||
|
|
#define ZFS_IOCREQ(ioreq) ((ioreq) & 0xff)
|
||
|
|
|
||
|
|
typedef struct zfs_iocparm {
|
||
|
|
uint32_t zfs_ioctl_version;
|
||
|
|
uint64_t zfs_cmd;
|
||
|
|
uint64_t zfs_cmd_size;
|
||
|
|
} zfs_iocparm_t;
|
||
|
|
|
||
|
|
|
||
|
|
#define LEGACY_MAXPATHLEN 1024
|
||
|
|
#define LEGACY_MAXNAMELEN 256
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Note: this struct must have the same layout in 32-bit and 64-bit, so
|
||
|
|
* that 32-bit processes (like /sbin/zfs) can pass it to the 64-bit
|
||
|
|
* kernel. Therefore, we add padding to it so that no "hidden" padding
|
||
|
|
* is automatically added on 64-bit (but not on 32-bit).
|
||
|
|
*/
|
||
|
|
typedef struct zfs_cmd_legacy {
|
||
|
|
char zc_name[LEGACY_MAXPATHLEN]; /* pool|dataset name */
|
||
|
|
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;
|
||
|
|
boolean_t zc_nvlist_dst_filled; /* put an nvlist in dst? */
|
||
|
|
int zc_pad2;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The following members are for legacy ioctls which haven't been
|
||
|
|
* converted to the new method.
|
||
|
|
*/
|
||
|
|
uint64_t zc_history; /* really (char *) */
|
||
|
|
char zc_value[LEGACY_MAXPATHLEN * 2];
|
||
|
|
char zc_string[LEGACY_MAXNAMELEN];
|
||
|
|
uint64_t zc_guid;
|
||
|
|
uint64_t zc_nvlist_conf; /* really (char *) */
|
||
|
|
uint64_t zc_nvlist_conf_size;
|
||
|
|
uint64_t zc_cookie;
|
||
|
|
uint64_t zc_objset_type;
|
||
|
|
uint64_t zc_perm_action;
|
||
|
|
uint64_t zc_history_len;
|
||
|
|
uint64_t zc_history_offset;
|
||
|
|
uint64_t zc_obj;
|
||
|
|
uint64_t zc_iflags; /* internal to zfs(7fs) */
|
||
|
|
zfs_share_t zc_share;
|
||
|
|
uint64_t zc_jailid;
|
||
|
|
dmu_objset_stats_t zc_objset_stats;
|
||
|
|
dmu_replay_record_t zc_begin_record;
|
||
|
|
zinject_record_t zc_inject_record;
|
||
|
|
uint32_t zc_defer_destroy;
|
||
|
|
uint32_t zc_flags;
|
||
|
|
uint64_t zc_action_handle;
|
||
|
|
int zc_cleanup_fd;
|
||
|
|
uint8_t zc_simple;
|
||
|
|
uint8_t zc_pad3[3];
|
||
|
|
boolean_t zc_resumable;
|
||
|
|
uint32_t zc_pad4;
|
||
|
|
uint64_t zc_sendobj;
|
||
|
|
uint64_t zc_fromobj;
|
||
|
|
uint64_t zc_createtxg;
|
||
|
|
zfs_stat_t zc_stat;
|
||
|
|
} zfs_cmd_legacy_t;
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef _KERNEL
|
||
|
|
int zfs_ioctl_compat_pre(zfs_cmd_t *, int *, const int);
|
||
|
|
void zfs_ioctl_compat_post(zfs_cmd_t *, const int, const int);
|
||
|
|
nvlist_t *zfs_ioctl_compat_innvl(zfs_cmd_t *, nvlist_t *, const int,
|
||
|
|
const int);
|
||
|
|
nvlist_t *zfs_ioctl_compat_outnvl(zfs_cmd_t *, nvlist_t *, const int,
|
||
|
|
const int);
|
||
|
|
#endif /* _KERNEL */
|
||
|
|
int zfs_ioctl_legacy_to_ozfs(int request);
|
||
|
|
int zfs_ioctl_ozfs_to_legacy(int request);
|
||
|
|
void zfs_cmd_legacy_to_ozfs(zfs_cmd_legacy_t *src, zfs_cmd_t *dst);
|
||
|
|
void zfs_cmd_compat_get(zfs_cmd_t *, caddr_t, const int);
|
||
|
|
void zfs_cmd_ozfs_to_legacy(zfs_cmd_t *src, zfs_cmd_legacy_t *dst);
|
||
|
|
|
||
|
|
void zfs_cmd_compat_put(zfs_cmd_t *, caddr_t, const int, const int);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _SYS_ZFS_IOCTL_COMPAT_H */
|