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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 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_CURRENT ZFS_IOCVER_PAD
/* 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_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;
typedef struct zinject_record_v15 {
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_failfast;
} zinject_record_v15_t;
typedef struct zfs_cmd_v15 {
char zc_name[MAXPATHLEN];
char zc_value[MAXPATHLEN];
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;
uint64_t zc_jailid;
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
zinject_record_v15_t zc_inject_record;
} zfs_cmd_v15_t;
typedef struct zinject_record_v28 {
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_failfast;
char zi_func[MAXNAMELEN];
uint32_t zi_iotype;
int32_t zi_duration;
uint64_t zi_timer;
} zinject_record_v28_t;
typedef struct zfs_cmd_v28 {
char zc_name[MAXPATHLEN];
char zc_value[MAXPATHLEN * 2];
char zc_string[MAXNAMELEN];
char zc_top_ds[MAXPATHLEN];
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;
uint64_t zc_iflags; /* internal to zfs(7fs) */
zfs_share_t zc_share;
uint64_t zc_jailid;
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
zinject_record_v28_t zc_inject_record;
boolean_t zc_defer_destroy;
boolean_t zc_temphold;
uint64_t zc_action_handle;
int zc_cleanup_fd;
uint8_t zc_simple;
uint8_t zc_pad[3]; /* alignment */
uint64_t zc_sendobj;
uint64_t zc_fromobj;
uint64_t zc_createtxg;
zfs_stat_t zc_stat;
} zfs_cmd_v28_t;
typedef struct zinject_record_deadman {
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_failfast;
char zi_func[MAXNAMELEN];
uint32_t zi_iotype;
int32_t zi_duration;
uint64_t zi_timer;
uint32_t zi_cmd;
uint32_t zi_pad;
} zinject_record_deadman_t;
typedef struct zfs_cmd_deadman {
char zc_name[MAXPATHLEN];
char zc_value[MAXPATHLEN * 2];
char zc_string[MAXNAMELEN];
char zc_top_ds[MAXPATHLEN];
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;
uint64_t zc_iflags; /* internal to zfs(7fs) */
zfs_share_t zc_share;
uint64_t zc_jailid;
dmu_objset_stats_t zc_objset_stats;
struct drr_begin zc_begin_record;
/* zc_inject_record doesn't change in libzfs_core */
zinject_record_deadman_t zc_inject_record;
boolean_t zc_defer_destroy;
boolean_t zc_temphold;
uint64_t zc_action_handle;
int zc_cleanup_fd;
uint8_t zc_simple;
uint8_t zc_pad[3]; /* alignment */
uint64_t zc_sendobj;
uint64_t zc_fromobj;
uint64_t zc_createtxg;
zfs_stat_t zc_stat;
} zfs_cmd_deadman_t;
typedef struct zfs_cmd_zcmd {
char zc_name[MAXPATHLEN]; /* name of pool or dataset */
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[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_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;
struct drr_begin zc_begin_record;
zinject_record_deadman_t zc_inject_record;
boolean_t zc_defer_destroy;
boolean_t zc_temphold;
uint64_t zc_action_handle;
int zc_cleanup_fd;
uint8_t zc_simple;
uint8_t zc_pad[3]; /* alignment */
uint64_t zc_sendobj;
uint64_t zc_fromobj;
uint64_t zc_createtxg;
zfs_stat_t zc_stat;
} zfs_cmd_zcmd_t;
typedef struct zfs_cmd_edbp {
char zc_name[MAXPATHLEN]; /* name of pool or dataset */
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[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_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;
struct drr_begin zc_begin_record;
zinject_record_deadman_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_pad[3]; /* alignment */
uint64_t zc_sendobj;
uint64_t zc_fromobj;
uint64_t zc_createtxg;
zfs_stat_t zc_stat;
} zfs_cmd_edbp_t;
typedef struct zfs_cmd_resume {
char zc_name[MAXPATHLEN]; /* name of pool or dataset */
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[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_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_deadman_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;
boolean_t zc_resumable;
uint64_t zc_sendobj;
uint64_t zc_fromobj;
uint64_t zc_createtxg;
zfs_stat_t zc_stat;
} zfs_cmd_resume_t;
typedef struct zfs_cmd_inlanes {
char zc_name[MAXPATHLEN]; /* name of pool or dataset */
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[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_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;
boolean_t zc_resumable;
uint64_t zc_sendobj;
uint64_t zc_fromobj;
uint64_t zc_createtxg;
zfs_stat_t zc_stat;
} zfs_cmd_inlanes_t;
#ifdef _KERNEL
unsigned static long zfs_ioctl_v15_to_v28[] = {
0, /* 0 ZFS_IOC_POOL_CREATE */
1, /* 1 ZFS_IOC_POOL_DESTROY */
2, /* 2 ZFS_IOC_POOL_IMPORT */
3, /* 3 ZFS_IOC_POOL_EXPORT */
4, /* 4 ZFS_IOC_POOL_CONFIGS */
5, /* 5 ZFS_IOC_POOL_STATS */
6, /* 6 ZFS_IOC_POOL_TRYIMPORT */
7, /* 7 ZFS_IOC_POOL_SCRUB */
8, /* 8 ZFS_IOC_POOL_FREEZE */
9, /* 9 ZFS_IOC_POOL_UPGRADE */
10, /* 10 ZFS_IOC_POOL_GET_HISTORY */
11, /* 11 ZFS_IOC_VDEV_ADD */
12, /* 12 ZFS_IOC_VDEV_REMOVE */
13, /* 13 ZFS_IOC_VDEV_SET_STATE */
14, /* 14 ZFS_IOC_VDEV_ATTACH */
15, /* 15 ZFS_IOC_VDEV_DETACH */
16, /* 16 ZFS_IOC_VDEV_SETPATH */
18, /* 17 ZFS_IOC_OBJSET_STATS */
19, /* 18 ZFS_IOC_OBJSET_ZPLPROPS */
20, /* 19 ZFS_IOC_DATASET_LIST_NEXT */
21, /* 20 ZFS_IOC_SNAPSHOT_LIST_NEXT */
22, /* 21 ZFS_IOC_SET_PROP */
ZFS_IOC_COMPAT_PASS, /* 22 ZFS_IOC_CREATE_MINOR */
ZFS_IOC_COMPAT_PASS, /* 23 ZFS_IOC_REMOVE_MINOR */
23, /* 24 ZFS_IOC_CREATE */
24, /* 25 ZFS_IOC_DESTROY */
25, /* 26 ZFS_IOC_ROLLBACK */
26, /* 27 ZFS_IOC_RENAME */
27, /* 28 ZFS_IOC_RECV */
28, /* 29 ZFS_IOC_SEND */
29, /* 30 ZFS_IOC_INJECT_FAULT */
30, /* 31 ZFS_IOC_CLEAR_FAULT */
31, /* 32 ZFS_IOC_INJECT_LIST_NEXT */
32, /* 33 ZFS_IOC_ERROR_LOG */
33, /* 34 ZFS_IOC_CLEAR */
34, /* 35 ZFS_IOC_PROMOTE */
35, /* 36 ZFS_IOC_DESTROY_SNAPS */
36, /* 37 ZFS_IOC_SNAPSHOT */
37, /* 38 ZFS_IOC_DSOBJ_TO_DSNAME */
38, /* 39 ZFS_IOC_OBJ_TO_PATH */
39, /* 40 ZFS_IOC_POOL_SET_PROPS */
40, /* 41 ZFS_IOC_POOL_GET_PROPS */
41, /* 42 ZFS_IOC_SET_FSACL */
42, /* 43 ZFS_IOC_GET_FSACL */
ZFS_IOC_COMPAT_PASS, /* 44 ZFS_IOC_ISCSI_PERM_CHECK */
43, /* 45 ZFS_IOC_SHARE */
44, /* 46 ZFS_IOC_IHNERIT_PROP */
58, /* 47 ZFS_IOC_JAIL */
59, /* 48 ZFS_IOC_UNJAIL */
45, /* 49 ZFS_IOC_SMB_ACL */
46, /* 50 ZFS_IOC_USERSPACE_ONE */
47, /* 51 ZFS_IOC_USERSPACE_MANY */
48, /* 52 ZFS_IOC_USERSPACE_UPGRADE */
17, /* 53 ZFS_IOC_SETFRU */
};
#else /* KERNEL */
unsigned static long zfs_ioctl_v28_to_v15[] = {
0, /* 0 ZFS_IOC_POOL_CREATE */
1, /* 1 ZFS_IOC_POOL_DESTROY */
2, /* 2 ZFS_IOC_POOL_IMPORT */
3, /* 3 ZFS_IOC_POOL_EXPORT */
4, /* 4 ZFS_IOC_POOL_CONFIGS */
5, /* 5 ZFS_IOC_POOL_STATS */
6, /* 6 ZFS_IOC_POOL_TRYIMPORT */
7, /* 7 ZFS_IOC_POOL_SCAN */
8, /* 8 ZFS_IOC_POOL_FREEZE */
9, /* 9 ZFS_IOC_POOL_UPGRADE */
10, /* 10 ZFS_IOC_POOL_GET_HISTORY */
11, /* 11 ZFS_IOC_VDEV_ADD */
12, /* 12 ZFS_IOC_VDEV_REMOVE */
13, /* 13 ZFS_IOC_VDEV_SET_STATE */
14, /* 14 ZFS_IOC_VDEV_ATTACH */
15, /* 15 ZFS_IOC_VDEV_DETACH */
16, /* 16 ZFS_IOC_VDEV_SETPATH */
53, /* 17 ZFS_IOC_VDEV_SETFRU */
17, /* 18 ZFS_IOC_OBJSET_STATS */
18, /* 19 ZFS_IOC_OBJSET_ZPLPROPS */
19, /* 20 ZFS_IOC_DATASET_LIST_NEXT */
20, /* 21 ZFS_IOC_SNAPSHOT_LIST_NEXT */
21, /* 22 ZFS_IOC_SET_PROP */
24, /* 23 ZFS_IOC_CREATE */
25, /* 24 ZFS_IOC_DESTROY */
26, /* 25 ZFS_IOC_ROLLBACK */
27, /* 26 ZFS_IOC_RENAME */
28, /* 27 ZFS_IOC_RECV */
29, /* 28 ZFS_IOC_SEND */
30, /* 39 ZFS_IOC_INJECT_FAULT */
31, /* 30 ZFS_IOC_CLEAR_FAULT */
32, /* 31 ZFS_IOC_INJECT_LIST_NEXT */
33, /* 32 ZFS_IOC_ERROR_LOG */
34, /* 33 ZFS_IOC_CLEAR */
35, /* 34 ZFS_IOC_PROMOTE */
36, /* 35 ZFS_IOC_DESTROY_SNAPS */
37, /* 36 ZFS_IOC_SNAPSHOT */
38, /* 37 ZFS_IOC_DSOBJ_TO_DSNAME */
39, /* 38 ZFS_IOC_OBJ_TO_PATH */
40, /* 39 ZFS_IOC_POOL_SET_PROPS */
41, /* 40 ZFS_IOC_POOL_GET_PROPS */
42, /* 41 ZFS_IOC_SET_FSACL */
43, /* 42 ZFS_IOC_GET_FSACL */
45, /* 43 ZFS_IOC_SHARE */
46, /* 44 ZFS_IOC_IHNERIT_PROP */
49, /* 45 ZFS_IOC_SMB_ACL */
50, /* 46 ZFS_IOC_USERSPACE_ONE */
51, /* 47 ZFS_IOC_USERSPACE_MANY */
52, /* 48 ZFS_IOC_USERSPACE_UPGRADE */
ZFS_IOC_COMPAT_FAIL, /* 49 ZFS_IOC_HOLD */
ZFS_IOC_COMPAT_FAIL, /* 50 ZFS_IOC_RELEASE */
ZFS_IOC_COMPAT_FAIL, /* 51 ZFS_IOC_GET_HOLDS */
ZFS_IOC_COMPAT_FAIL, /* 52 ZFS_IOC_OBJSET_RECVD_PROPS */
ZFS_IOC_COMPAT_FAIL, /* 53 ZFS_IOC_VDEV_SPLIT */
ZFS_IOC_COMPAT_FAIL, /* 54 ZFS_IOC_NEXT_OBJ */
ZFS_IOC_COMPAT_FAIL, /* 55 ZFS_IOC_DIFF */
ZFS_IOC_COMPAT_FAIL, /* 56 ZFS_IOC_TMP_SNAPSHOT */
ZFS_IOC_COMPAT_FAIL, /* 57 ZFS_IOC_OBJ_TO_STATS */
47, /* 58 ZFS_IOC_JAIL */
48, /* 59 ZFS_IOC_UNJAIL */
};
#endif /* ! _KERNEL */
#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);
#else
int zcmd_ioctl_compat(int, int, zfs_cmd_t *, const int);
#endif /* _KERNEL */
void zfs_cmd_compat_get(zfs_cmd_t *, caddr_t, const int);
void zfs_cmd_compat_put(zfs_cmd_t *, caddr_t, const int, const int);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZFS_IOCTL_COMPAT_H */
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