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FreeBSD: zfs commands backward compatibility 

Update the zfs commands such that they're backwards compatible with
the version of ZFS is the base FreeBSD.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10542
This commit is contained in:
Matthew Macy 2020-07-15 21:32:50 -07:00 committed by GitHub
parent f1b8153794
commit 23c871671c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 451 additions and 571 deletions
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545
include/os/freebsd/zfs/sys/zfs_ioctl_compat.h
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@ -55,8 +55,8 @@ extern "C" {
#define ZFS_IOCVER_RESUME 5 #define ZFS_IOCVER_RESUME 5
#define ZFS_IOCVER_INLANES 6 #define ZFS_IOCVER_INLANES 6
#define ZFS_IOCVER_PAD 7 #define ZFS_IOCVER_PAD 7
#define ZFS_IOCVER_FREEBSD ZFS_IOCVER_PAD #define ZFS_IOCVER_LEGACY ZFS_IOCVER_PAD
#define ZFS_IOCVER_ZOF 15 #define ZFS_IOCVER_OZFS 15
/* compatibility conversion flag */ /* compatibility conversion flag */
#define ZFS_CMD_COMPAT_NONE 0 #define ZFS_CMD_COMPAT_NONE 0
@ -68,6 +68,7 @@ extern "C" {
#define ZFS_CMD_COMPAT_EDBP 6 #define ZFS_CMD_COMPAT_EDBP 6
#define ZFS_CMD_COMPAT_RESUME 7 #define ZFS_CMD_COMPAT_RESUME 7
#define ZFS_CMD_COMPAT_INLANES 8 #define ZFS_CMD_COMPAT_INLANES 8
#define ZFS_CMD_COMPAT_LEGACY 9
#define ZFS_IOC_COMPAT_PASS 254 #define ZFS_IOC_COMPAT_PASS 254
#define ZFS_IOC_COMPAT_FAIL 255 #define ZFS_IOC_COMPAT_FAIL 255
@ -80,328 +81,10 @@ typedef struct zfs_iocparm {
uint64_t zfs_cmd_size; uint64_t zfs_cmd_size;
} zfs_iocparm_t; } 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 { #define LEGACY_MAXPATHLEN 1024
char zc_name[MAXPATHLEN]; #define LEGACY_MAXNAMELEN 256
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
/* /*
* Note: this struct must have the same layout in 32-bit and 64-bit, so * 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 * that 32-bit processes (like /sbin/zfs) can pass it to the 64-bit
@ -409,7 +92,7 @@ typedef struct zfs_cmd_inlanes {
* is automatically added on 64-bit (but not on 32-bit). * is automatically added on 64-bit (but not on 32-bit).
*/ */
typedef struct zfs_cmd_legacy { typedef struct zfs_cmd_legacy {
char zc_name[MAXPATHLEN]; /* name of pool or dataset */ char zc_name[LEGACY_MAXPATHLEN]; /* pool|dataset name */
uint64_t zc_nvlist_src; /* really (char *) */ uint64_t zc_nvlist_src; /* really (char *) */
uint64_t zc_nvlist_src_size; uint64_t zc_nvlist_src_size;
uint64_t zc_nvlist_dst; /* really (char *) */ uint64_t zc_nvlist_dst; /* really (char *) */
@ -422,8 +105,8 @@ typedef struct zfs_cmd_legacy {
* converted to the new method. * converted to the new method.
*/ */
uint64_t zc_history; /* really (char *) */ uint64_t zc_history; /* really (char *) */
char zc_value[MAXPATHLEN * 2]; char zc_value[LEGACY_MAXPATHLEN * 2];
char zc_string[MAXNAMELEN]; char zc_string[LEGACY_MAXNAMELEN];
uint64_t zc_guid; uint64_t zc_guid;
uint64_t zc_nvlist_conf; /* really (char *) */ uint64_t zc_nvlist_conf; /* really (char *) */
uint64_t zc_nvlist_conf_size; uint64_t zc_nvlist_conf_size;
@ -436,10 +119,8 @@ typedef struct zfs_cmd_legacy {
uint64_t zc_iflags; /* internal to zfs(7fs) */ uint64_t zc_iflags; /* internal to zfs(7fs) */
zfs_share_t zc_share; zfs_share_t zc_share;
uint64_t zc_jailid; uint64_t zc_jailid;
dmu_objset_stats_t zc_objset_stats; dmu_objset_stats_t zc_objset_stats;
uint64_t zc_freebsd_drr_pad; dmu_replay_record_t zc_begin_record;
struct drr_begin zc_begin_record;
zinject_record_t zc_inject_record; zinject_record_t zc_inject_record;
uint32_t zc_defer_destroy; uint32_t zc_defer_destroy;
uint32_t zc_flags; uint32_t zc_flags;
@ -455,209 +136,6 @@ typedef struct zfs_cmd_legacy {
zfs_stat_t zc_stat; zfs_stat_t zc_stat;
} zfs_cmd_legacy_t; } zfs_cmd_legacy_t;
unsigned static long zfs_ioctl_bsd12_to_zof[] = {
ZFS_IOC_POOL_CREATE, /* 0x00 */
ZFS_IOC_POOL_DESTROY, /* 0x01 */
ZFS_IOC_POOL_IMPORT, /* 0x02 */
ZFS_IOC_POOL_EXPORT, /* 0x03 */
ZFS_IOC_POOL_CONFIGS, /* 0x04 */
ZFS_IOC_POOL_STATS, /* 0x05 */
ZFS_IOC_POOL_TRYIMPORT, /* 0x06 */
ZFS_IOC_POOL_SCAN, /* 0x07 */
ZFS_IOC_POOL_FREEZE, /* 0x08 */
ZFS_IOC_POOL_UPGRADE, /* 0x09 */
ZFS_IOC_POOL_GET_HISTORY, /* 0x0a */
ZFS_IOC_VDEV_ADD, /* 0x0b */
ZFS_IOC_VDEV_REMOVE, /* 0x0c */
ZFS_IOC_VDEV_SET_STATE, /* 0x0d */
ZFS_IOC_VDEV_ATTACH, /* 0x0e */
ZFS_IOC_VDEV_DETACH, /* 0x0f */
ZFS_IOC_VDEV_SETPATH, /* 0x10 */
ZFS_IOC_VDEV_SETFRU, /* 0x11 */
ZFS_IOC_OBJSET_STATS, /* 0x12 */
ZFS_IOC_OBJSET_ZPLPROPS, /* 0x13 */
ZFS_IOC_DATASET_LIST_NEXT, /* 0x14 */
ZFS_IOC_SNAPSHOT_LIST_NEXT, /* 0x15 */
ZFS_IOC_SET_PROP, /* 0x16 */
ZFS_IOC_CREATE, /* 0x17 */
ZFS_IOC_DESTROY, /* 0x18 */
ZFS_IOC_ROLLBACK, /* 0x19 */
ZFS_IOC_RENAME, /* 0x1a */
ZFS_IOC_RECV, /* 0x1b */
ZFS_IOC_SEND, /* 0x1c */
ZFS_IOC_INJECT_FAULT, /* 0x1d */
ZFS_IOC_CLEAR_FAULT, /* 0x1e */
ZFS_IOC_INJECT_LIST_NEXT, /* 0x1f */
ZFS_IOC_ERROR_LOG, /* 0x20 */
ZFS_IOC_CLEAR, /* 0x21 */
ZFS_IOC_PROMOTE, /* 0x22 */
/* start of mismatch */
ZFS_IOC_DESTROY_SNAPS, /* 0x23:0x3b */
ZFS_IOC_SNAPSHOT, /* 0x24:0x23 */
ZFS_IOC_DSOBJ_TO_DSNAME, /* 0x25:0x24 */
ZFS_IOC_OBJ_TO_PATH, /* 0x26:0x25 */
ZFS_IOC_POOL_SET_PROPS, /* 0x27:0x26 */
ZFS_IOC_POOL_GET_PROPS, /* 0x28:0x27 */
ZFS_IOC_SET_FSACL, /* 0x29:0x28 */
ZFS_IOC_GET_FSACL, /* 0x30:0x29 */
ZFS_IOC_SHARE, /* 0x2b:0x2a */
ZFS_IOC_INHERIT_PROP, /* 0x2c:0x2b */
ZFS_IOC_SMB_ACL, /* 0x2d:0x2c */
ZFS_IOC_USERSPACE_ONE, /* 0x2e:0x2d */
ZFS_IOC_USERSPACE_MANY, /* 0x2f:0x2e */
ZFS_IOC_USERSPACE_UPGRADE, /* 0x30:0x2f */
ZFS_IOC_HOLD, /* 0x31:0x30 */
ZFS_IOC_RELEASE, /* 0x32:0x31 */
ZFS_IOC_GET_HOLDS, /* 0x33:0x32 */
ZFS_IOC_OBJSET_RECVD_PROPS, /* 0x34:0x33 */
ZFS_IOC_VDEV_SPLIT, /* 0x35:0x34 */
ZFS_IOC_NEXT_OBJ, /* 0x36:0x35 */
ZFS_IOC_DIFF, /* 0x37:0x36 */
ZFS_IOC_TMP_SNAPSHOT, /* 0x38:0x37 */
ZFS_IOC_OBJ_TO_STATS, /* 0x39:0x38 */
ZFS_IOC_JAIL, /* 0x3a:0xc2 */
ZFS_IOC_UNJAIL, /* 0x3b:0xc3 */
ZFS_IOC_POOL_REGUID, /* 0x3c:0x3c */
ZFS_IOC_SPACE_WRITTEN, /* 0x3d:0x39 */
ZFS_IOC_SPACE_SNAPS, /* 0x3e:0x3a */
ZFS_IOC_SEND_PROGRESS, /* 0x3f:0x3e */
ZFS_IOC_POOL_REOPEN, /* 0x40:0x3d */
ZFS_IOC_LOG_HISTORY, /* 0x41:0x3f */
ZFS_IOC_SEND_NEW, /* 0x42:0x40 */
ZFS_IOC_SEND_SPACE, /* 0x43:0x41 */
ZFS_IOC_CLONE, /* 0x44:0x42 */
ZFS_IOC_BOOKMARK, /* 0x45:0x43 */
ZFS_IOC_GET_BOOKMARKS, /* 0x46:0x44 */
ZFS_IOC_DESTROY_BOOKMARKS, /* 0x47:0x45 */
ZFS_IOC_NEXTBOOT, /* 0x48:0xc1 */
ZFS_IOC_CHANNEL_PROGRAM, /* 0x49:0x48 */
ZFS_IOC_REMAP, /* 0x4a:0x4c */
ZFS_IOC_POOL_CHECKPOINT, /* 0x4b:0x4d */
ZFS_IOC_POOL_DISCARD_CHECKPOINT, /* 0x4c:0x4e */
ZFS_IOC_POOL_INITIALIZE, /* 0x4d:0x4f */
};
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 #ifdef _KERNEL
int zfs_ioctl_compat_pre(zfs_cmd_t *, int *, const int); int zfs_ioctl_compat_pre(zfs_cmd_t *, int *, const int);
@ -667,7 +145,12 @@ nvlist_t *zfs_ioctl_compat_innvl(zfs_cmd_t *, nvlist_t *, const int,
nvlist_t *zfs_ioctl_compat_outnvl(zfs_cmd_t *, nvlist_t *, const int, nvlist_t *zfs_ioctl_compat_outnvl(zfs_cmd_t *, nvlist_t *, const int,
const int); const int);
#endif /* _KERNEL */ #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_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); void zfs_cmd_compat_put(zfs_cmd_t *, caddr_t, const int, const int);
#ifdef __cplusplus #ifdef __cplusplus

6
lib/libzutil/Makefile.am
View File

@ -23,10 +23,16 @@ USER_C += \
endif endif
if BUILD_FREEBSD if BUILD_FREEBSD
DEFAULT_INCLUDES += -I$(top_srcdir)/include/os/freebsd/zfs
USER_C += \ USER_C += \
os/freebsd/zutil_device_path_os.c \ os/freebsd/zutil_device_path_os.c \
os/freebsd/zutil_import_os.c \ os/freebsd/zutil_import_os.c \
os/freebsd/zutil_compat.c os/freebsd/zutil_compat.c
VPATH += $(top_srcdir)/module/os/freebsd/zfs
nodist_libzutil_la_SOURCES = zfs_ioctl_compat.c
endif endif
libzutil_la_SOURCES = $(USER_C) libzutil_la_SOURCES = $(USER_C)

66
lib/libzutil/os/freebsd/zutil_compat.c
View File

@ -20,15 +20,35 @@
*/ */
#include <sys/types.h> #include <sys/types.h>
#include <sys/param.h> #include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/zfs_ioctl.h> #include <sys/zfs_ioctl.h>
#include <os/freebsd/zfs/sys/zfs_ioctl_compat.h> #include <os/freebsd/zfs/sys/zfs_ioctl_compat.h>
#include <libzutil.h> #include <libzutil.h>
#include <err.h>
int zfs_ioctl_version = ZFS_IOCVER_UNDEF;
/*
* Get zfs_ioctl_version
*/
static int
get_zfs_ioctl_version(void)
{
size_t ver_size;
int ver = ZFS_IOCVER_NONE;
ver_size = sizeof (ver);
sysctlbyname("vfs.zfs.version.ioctl", &ver, &ver_size, NULL, 0);
return (ver);
}
static int static int
zcmd_ioctl_compat(int fd, int request, zfs_cmd_t *zc, const int cflag) zcmd_ioctl_compat(int fd, int request, zfs_cmd_t *zc, const int cflag)
{ {
int ret; int newrequest, ret;
void *zc_c; void *zc_c = NULL;
unsigned long ncmd; unsigned long ncmd;
zfs_iocparm_t zp; zfs_iocparm_t zp;
@ -37,17 +57,32 @@ zcmd_ioctl_compat(int fd, int request, zfs_cmd_t *zc, const int cflag)
ncmd = _IOWR('Z', request, zfs_iocparm_t); ncmd = _IOWR('Z', request, zfs_iocparm_t);
zp.zfs_cmd = (uint64_t)zc; zp.zfs_cmd = (uint64_t)zc;
zp.zfs_cmd_size = sizeof (zfs_cmd_t); zp.zfs_cmd_size = sizeof (zfs_cmd_t);
zp.zfs_ioctl_version = ZFS_IOCVER_ZOF; zp.zfs_ioctl_version = ZFS_IOCVER_OZFS;
return (ioctl(fd, ncmd, &zp)); break;
case ZFS_CMD_COMPAT_LEGACY:
newrequest = zfs_ioctl_ozfs_to_legacy(request);
ncmd = _IOWR('Z', newrequest, zfs_iocparm_t);
zc_c = malloc(sizeof (zfs_cmd_legacy_t));
zfs_cmd_ozfs_to_legacy(zc, zc_c);
zp.zfs_cmd = (uint64_t)zc_c;
zp.zfs_cmd_size = sizeof (zfs_cmd_legacy_t);
zp.zfs_ioctl_version = ZFS_IOCVER_LEGACY;
break;
default: default:
abort(); abort();
return (EINVAL); return (EINVAL);
} }
ret = ioctl(fd, ncmd, zc_c); ret = ioctl(fd, ncmd, &zp);
zfs_cmd_compat_get(zc, (caddr_t)zc_c, cflag); if (ret) {
free(zc_c); if (zc_c)
free(zc_c);
return (ret);
}
if (zc_c) {
zfs_cmd_legacy_to_ozfs(zc_c, zc);
free(zc_c);
}
return (ret); return (ret);
} }
@ -62,6 +97,21 @@ zfs_ioctl_fd(int fd, unsigned long request, zfs_cmd_t *zc)
size_t oldsize; size_t oldsize;
int ret, cflag = ZFS_CMD_COMPAT_NONE; int ret, cflag = ZFS_CMD_COMPAT_NONE;
if (zfs_ioctl_version == ZFS_IOCVER_UNDEF)
zfs_ioctl_version = get_zfs_ioctl_version();
switch (zfs_ioctl_version) {
case ZFS_IOCVER_LEGACY:
cflag = ZFS_CMD_COMPAT_LEGACY;
break;
case ZFS_IOCVER_OZFS:
cflag = ZFS_CMD_COMPAT_NONE;
break;
default:
errx(1, "unrecognized zfs ioctl version %d",
zfs_ioctl_version);
}
oldsize = zc->zc_nvlist_dst_size; oldsize = zc->zc_nvlist_dst_size;
ret = zcmd_ioctl_compat(fd, request, zc, cflag); ret = zcmd_ioctl_compat(fd, request, zc, cflag);

1
module/Makefile.bsd
View File

@ -141,6 +141,7 @@ SRCS+= abd_os.c \
zfs_acl.c \ zfs_acl.c \
zfs_ctldir.c \ zfs_ctldir.c \
zfs_dir.c \ zfs_dir.c \
zfs_ioctl_compat.c \
zfs_ioctl_os.c \ zfs_ioctl_os.c \
zfs_log.c \ zfs_log.c \
zfs_replay.c \ zfs_replay.c \

40
module/os/freebsd/zfs/kmod_core.c
View File

@ -99,7 +99,7 @@ SYSCTL_DECL(_vfs_zfs);
SYSCTL_DECL(_vfs_zfs_vdev); SYSCTL_DECL(_vfs_zfs_vdev);
static int zfs_version_ioctl = ZFS_IOCVER_ZOF; static int zfs_version_ioctl = ZFS_IOCVER_OZFS;
SYSCTL_DECL(_vfs_zfs_version); SYSCTL_DECL(_vfs_zfs_version);
SYSCTL_INT(_vfs_zfs_version, OID_AUTO, ioctl, CTLFLAG_RD, &zfs_version_ioctl, SYSCTL_INT(_vfs_zfs_version, OID_AUTO, ioctl, CTLFLAG_RD, &zfs_version_ioctl,
0, "ZFS_IOCTL_VERSION"); 0, "ZFS_IOCTL_VERSION");
@ -121,37 +121,13 @@ extern zfsdev_state_t *zfsdev_state_list;
#define ZFS_MIN_KSTACK_PAGES 4 #define ZFS_MIN_KSTACK_PAGES 4
static void
zfs_cmd_bsd12_to_zof(zfs_cmd_legacy_t *src, zfs_cmd_t *dst)
{
memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
*&dst->zc_objset_stats = *&src->zc_objset_stats;
memcpy(&dst->zc_begin_record, &src->zc_begin_record,
offsetof(zfs_cmd_t, zc_sendobj) -
offsetof(zfs_cmd_t, zc_begin_record));
memcpy(&dst->zc_sendobj, &src->zc_sendobj,
sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
dst->zc_zoneid = src->zc_jailid;
}
static void
zfs_cmd_zof_to_bsd12(zfs_cmd_t *src, zfs_cmd_legacy_t *dst)
{
memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
*&dst->zc_objset_stats = *&src->zc_objset_stats;
memcpy(&dst->zc_begin_record, &src->zc_begin_record,
offsetof(zfs_cmd_t, zc_sendobj) -
offsetof(zfs_cmd_t, zc_begin_record));
memcpy(&dst->zc_sendobj, &src->zc_sendobj,
sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
dst->zc_jailid = src->zc_zoneid;
}
static int static int
zfsdev_ioctl(struct cdev *dev, ulong_t zcmd, caddr_t arg, int flag, zfsdev_ioctl(struct cdev *dev, ulong_t zcmd, caddr_t arg, int flag,
struct thread *td) struct thread *td)
{ {
uint_t len, vecnum; uint_t len;
int vecnum;
zfs_iocparm_t *zp; zfs_iocparm_t *zp;
zfs_cmd_t *zc; zfs_cmd_t *zc;
zfs_cmd_legacy_t *zcl; zfs_cmd_legacy_t *zcl;
@ -175,25 +151,25 @@ zfsdev_ioctl(struct cdev *dev, ulong_t zcmd, caddr_t arg, int flag,
/* /*
* Remap ioctl code for legacy user binaries * Remap ioctl code for legacy user binaries
*/ */
if (zp->zfs_ioctl_version == ZFS_IOCVER_FREEBSD) { if (zp->zfs_ioctl_version == ZFS_IOCVER_LEGACY) {
if (vecnum >= sizeof (zfs_ioctl_bsd12_to_zof)/sizeof (long)) { vecnum = zfs_ioctl_legacy_to_ozfs(vecnum);
if (vecnum < 0) {
kmem_free(zc, sizeof (zfs_cmd_t)); kmem_free(zc, sizeof (zfs_cmd_t));
return (ENOTSUP); return (ENOTSUP);
} }
zcl = kmem_zalloc(sizeof (zfs_cmd_legacy_t), KM_SLEEP); zcl = kmem_zalloc(sizeof (zfs_cmd_legacy_t), KM_SLEEP);
vecnum = zfs_ioctl_bsd12_to_zof[vecnum];
if (copyin(uaddr, zcl, sizeof (zfs_cmd_legacy_t))) { if (copyin(uaddr, zcl, sizeof (zfs_cmd_legacy_t))) {
error = SET_ERROR(EFAULT); error = SET_ERROR(EFAULT);
goto out; goto out;
} }
zfs_cmd_bsd12_to_zof(zcl, zc); zfs_cmd_legacy_to_ozfs(zcl, zc);
} else if (copyin(uaddr, zc, sizeof (zfs_cmd_t))) { } else if (copyin(uaddr, zc, sizeof (zfs_cmd_t))) {
error = SET_ERROR(EFAULT); error = SET_ERROR(EFAULT);
goto out; goto out;
} }
error = zfsdev_ioctl_common(vecnum, zc, 0); error = zfsdev_ioctl_common(vecnum, zc, 0);
if (zcl) { if (zcl) {
zfs_cmd_zof_to_bsd12(zc, zcl); zfs_cmd_ozfs_to_legacy(zc, zcl);
rc = copyout(zcl, uaddr, sizeof (*zcl)); rc = copyout(zcl, uaddr, sizeof (*zcl));
} else { } else {
rc = copyout(zc, uaddr, sizeof (*zc)); rc = copyout(zc, uaddr, sizeof (*zc));

364
module/os/freebsd/zfs/zfs_ioctl_compat.c Normal file
View File

@ -0,0 +1,364 @@
/*
* Copyright (c) 2020 iXsystems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/eventhandler.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/errno.h>
#include <sys/uio.h>
#include <sys/cmn_err.h>
#include <sys/stat.h>
#include <sys/zfs_ioctl_compat.h>
enum zfs_ioc_legacy {
ZFS_IOC_LEGACY_NONE = -1,
ZFS_IOC_LEGACY_FIRST = 0,
ZFS_LEGACY_IOC = ZFS_IOC_LEGACY_FIRST,
ZFS_IOC_LEGACY_POOL_CREATE = ZFS_IOC_LEGACY_FIRST,
ZFS_IOC_LEGACY_POOL_DESTROY,
ZFS_IOC_LEGACY_POOL_IMPORT,
ZFS_IOC_LEGACY_POOL_EXPORT,
ZFS_IOC_LEGACY_POOL_CONFIGS,
ZFS_IOC_LEGACY_POOL_STATS,
ZFS_IOC_LEGACY_POOL_TRYIMPORT,
ZFS_IOC_LEGACY_POOL_SCAN,
ZFS_IOC_LEGACY_POOL_FREEZE,
ZFS_IOC_LEGACY_POOL_UPGRADE,
ZFS_IOC_LEGACY_POOL_GET_HISTORY,
ZFS_IOC_LEGACY_VDEV_ADD,
ZFS_IOC_LEGACY_VDEV_REMOVE,
ZFS_IOC_LEGACY_VDEV_SET_STATE,
ZFS_IOC_LEGACY_VDEV_ATTACH,
ZFS_IOC_LEGACY_VDEV_DETACH,
ZFS_IOC_LEGACY_VDEV_SETPATH,
ZFS_IOC_LEGACY_VDEV_SETFRU,
ZFS_IOC_LEGACY_OBJSET_STATS,
ZFS_IOC_LEGACY_OBJSET_ZPLPROPS,
ZFS_IOC_LEGACY_DATASET_LIST_NEXT,
ZFS_IOC_LEGACY_SNAPSHOT_LIST_NEXT,
ZFS_IOC_LEGACY_SET_PROP,
ZFS_IOC_LEGACY_CREATE,
ZFS_IOC_LEGACY_DESTROY,
ZFS_IOC_LEGACY_ROLLBACK,
ZFS_IOC_LEGACY_RENAME,
ZFS_IOC_LEGACY_RECV,
ZFS_IOC_LEGACY_SEND,
ZFS_IOC_LEGACY_INJECT_FAULT,
ZFS_IOC_LEGACY_CLEAR_FAULT,
ZFS_IOC_LEGACY_INJECT_LIST_NEXT,
ZFS_IOC_LEGACY_ERROR_LOG,
ZFS_IOC_LEGACY_CLEAR,
ZFS_IOC_LEGACY_PROMOTE,
ZFS_IOC_LEGACY_DESTROY_SNAPS,
ZFS_IOC_LEGACY_SNAPSHOT,
ZFS_IOC_LEGACY_DSOBJ_TO_DSNAME,
ZFS_IOC_LEGACY_OBJ_TO_PATH,
ZFS_IOC_LEGACY_POOL_SET_PROPS,
ZFS_IOC_LEGACY_POOL_GET_PROPS,
ZFS_IOC_LEGACY_SET_FSACL,
ZFS_IOC_LEGACY_GET_FSACL,
ZFS_IOC_LEGACY_SHARE,
ZFS_IOC_LEGACY_INHERIT_PROP,
ZFS_IOC_LEGACY_SMB_ACL,
ZFS_IOC_LEGACY_USERSPACE_ONE,
ZFS_IOC_LEGACY_USERSPACE_MANY,
ZFS_IOC_LEGACY_USERSPACE_UPGRADE,
ZFS_IOC_LEGACY_HOLD,
ZFS_IOC_LEGACY_RELEASE,
ZFS_IOC_LEGACY_GET_HOLDS,
ZFS_IOC_LEGACY_OBJSET_RECVD_PROPS,
ZFS_IOC_LEGACY_VDEV_SPLIT,
ZFS_IOC_LEGACY_NEXT_OBJ,
ZFS_IOC_LEGACY_DIFF,
ZFS_IOC_LEGACY_TMP_SNAPSHOT,
ZFS_IOC_LEGACY_OBJ_TO_STATS,
ZFS_IOC_LEGACY_JAIL,
ZFS_IOC_LEGACY_UNJAIL,
ZFS_IOC_LEGACY_POOL_REGUID,
ZFS_IOC_LEGACY_SPACE_WRITTEN,
ZFS_IOC_LEGACY_SPACE_SNAPS,
ZFS_IOC_LEGACY_SEND_PROGRESS,
ZFS_IOC_LEGACY_POOL_REOPEN,
ZFS_IOC_LEGACY_LOG_HISTORY,
ZFS_IOC_LEGACY_SEND_NEW,
ZFS_IOC_LEGACY_SEND_SPACE,
ZFS_IOC_LEGACY_CLONE,
ZFS_IOC_LEGACY_BOOKMARK,
ZFS_IOC_LEGACY_GET_BOOKMARKS,
ZFS_IOC_LEGACY_DESTROY_BOOKMARKS,
ZFS_IOC_LEGACY_NEXTBOOT,
ZFS_IOC_LEGACY_CHANNEL_PROGRAM,
ZFS_IOC_LEGACY_REMAP,
ZFS_IOC_LEGACY_POOL_CHECKPOINT,
ZFS_IOC_LEGACY_POOL_DISCARD_CHECKPOINT,
ZFS_IOC_LEGACY_POOL_INITIALIZE,
ZFS_IOC_LEGACY_POOL_SYNC,
ZFS_IOC_LEGACY_LAST
};
unsigned static long zfs_ioctl_legacy_to_ozfs_[] = {
ZFS_IOC_POOL_CREATE, /* 0x00 */
ZFS_IOC_POOL_DESTROY, /* 0x01 */
ZFS_IOC_POOL_IMPORT, /* 0x02 */
ZFS_IOC_POOL_EXPORT, /* 0x03 */
ZFS_IOC_POOL_CONFIGS, /* 0x04 */
ZFS_IOC_POOL_STATS, /* 0x05 */
ZFS_IOC_POOL_TRYIMPORT, /* 0x06 */
ZFS_IOC_POOL_SCAN, /* 0x07 */
ZFS_IOC_POOL_FREEZE, /* 0x08 */
ZFS_IOC_POOL_UPGRADE, /* 0x09 */
ZFS_IOC_POOL_GET_HISTORY, /* 0x0a */
ZFS_IOC_VDEV_ADD, /* 0x0b */
ZFS_IOC_VDEV_REMOVE, /* 0x0c */
ZFS_IOC_VDEV_SET_STATE, /* 0x0d */
ZFS_IOC_VDEV_ATTACH, /* 0x0e */
ZFS_IOC_VDEV_DETACH, /* 0x0f */
ZFS_IOC_VDEV_SETPATH, /* 0x10 */
ZFS_IOC_VDEV_SETFRU, /* 0x11 */
ZFS_IOC_OBJSET_STATS, /* 0x12 */
ZFS_IOC_OBJSET_ZPLPROPS, /* 0x13 */
ZFS_IOC_DATASET_LIST_NEXT, /* 0x14 */
ZFS_IOC_SNAPSHOT_LIST_NEXT, /* 0x15 */
ZFS_IOC_SET_PROP, /* 0x16 */
ZFS_IOC_CREATE, /* 0x17 */
ZFS_IOC_DESTROY, /* 0x18 */
ZFS_IOC_ROLLBACK, /* 0x19 */
ZFS_IOC_RENAME, /* 0x1a */
ZFS_IOC_RECV, /* 0x1b */
ZFS_IOC_SEND, /* 0x1c */
ZFS_IOC_INJECT_FAULT, /* 0x1d */
ZFS_IOC_CLEAR_FAULT, /* 0x1e */
ZFS_IOC_INJECT_LIST_NEXT, /* 0x1f */
ZFS_IOC_ERROR_LOG, /* 0x20 */
ZFS_IOC_CLEAR, /* 0x21 */
ZFS_IOC_PROMOTE, /* 0x22 */
/* start of mismatch */
ZFS_IOC_DESTROY_SNAPS, /* 0x23:0x3b */
ZFS_IOC_SNAPSHOT, /* 0x24:0x23 */
ZFS_IOC_DSOBJ_TO_DSNAME, /* 0x25:0x24 */
ZFS_IOC_OBJ_TO_PATH, /* 0x26:0x25 */
ZFS_IOC_POOL_SET_PROPS, /* 0x27:0x26 */
ZFS_IOC_POOL_GET_PROPS, /* 0x28:0x27 */
ZFS_IOC_SET_FSACL, /* 0x29:0x28 */
ZFS_IOC_GET_FSACL, /* 0x30:0x29 */
ZFS_IOC_SHARE, /* 0x2b:0x2a */
ZFS_IOC_INHERIT_PROP, /* 0x2c:0x2b */
ZFS_IOC_SMB_ACL, /* 0x2d:0x2c */
ZFS_IOC_USERSPACE_ONE, /* 0x2e:0x2d */
ZFS_IOC_USERSPACE_MANY, /* 0x2f:0x2e */
ZFS_IOC_USERSPACE_UPGRADE, /* 0x30:0x2f */
ZFS_IOC_HOLD, /* 0x31:0x30 */
ZFS_IOC_RELEASE, /* 0x32:0x31 */
ZFS_IOC_GET_HOLDS, /* 0x33:0x32 */
ZFS_IOC_OBJSET_RECVD_PROPS, /* 0x34:0x33 */
ZFS_IOC_VDEV_SPLIT, /* 0x35:0x34 */
ZFS_IOC_NEXT_OBJ, /* 0x36:0x35 */
ZFS_IOC_DIFF, /* 0x37:0x36 */
ZFS_IOC_TMP_SNAPSHOT, /* 0x38:0x37 */
ZFS_IOC_OBJ_TO_STATS, /* 0x39:0x38 */
ZFS_IOC_JAIL, /* 0x3a:0xc2 */
ZFS_IOC_UNJAIL, /* 0x3b:0xc3 */
ZFS_IOC_POOL_REGUID, /* 0x3c:0x3c */
ZFS_IOC_SPACE_WRITTEN, /* 0x3d:0x39 */
ZFS_IOC_SPACE_SNAPS, /* 0x3e:0x3a */
ZFS_IOC_SEND_PROGRESS, /* 0x3f:0x3e */
ZFS_IOC_POOL_REOPEN, /* 0x40:0x3d */
ZFS_IOC_LOG_HISTORY, /* 0x41:0x3f */
ZFS_IOC_SEND_NEW, /* 0x42:0x40 */
ZFS_IOC_SEND_SPACE, /* 0x43:0x41 */
ZFS_IOC_CLONE, /* 0x44:0x42 */
ZFS_IOC_BOOKMARK, /* 0x45:0x43 */
ZFS_IOC_GET_BOOKMARKS, /* 0x46:0x44 */
ZFS_IOC_DESTROY_BOOKMARKS, /* 0x47:0x45 */
ZFS_IOC_NEXTBOOT, /* 0x48:0xc1 */
ZFS_IOC_CHANNEL_PROGRAM, /* 0x49:0x48 */
ZFS_IOC_REMAP, /* 0x4a:0x4c */
ZFS_IOC_POOL_CHECKPOINT, /* 0x4b:0x4d */
ZFS_IOC_POOL_DISCARD_CHECKPOINT, /* 0x4c:0x4e */
ZFS_IOC_POOL_INITIALIZE, /* 0x4d:0x4f */
};
unsigned static long zfs_ioctl_ozfs_to_legacy_common_[] = {
ZFS_IOC_POOL_CREATE, /* 0x00 */
ZFS_IOC_POOL_DESTROY, /* 0x01 */
ZFS_IOC_POOL_IMPORT, /* 0x02 */
ZFS_IOC_POOL_EXPORT, /* 0x03 */
ZFS_IOC_POOL_CONFIGS, /* 0x04 */
ZFS_IOC_POOL_STATS, /* 0x05 */
ZFS_IOC_POOL_TRYIMPORT, /* 0x06 */
ZFS_IOC_POOL_SCAN, /* 0x07 */
ZFS_IOC_POOL_FREEZE, /* 0x08 */
ZFS_IOC_POOL_UPGRADE, /* 0x09 */
ZFS_IOC_POOL_GET_HISTORY, /* 0x0a */
ZFS_IOC_VDEV_ADD, /* 0x0b */
ZFS_IOC_VDEV_REMOVE, /* 0x0c */
ZFS_IOC_VDEV_SET_STATE, /* 0x0d */
ZFS_IOC_VDEV_ATTACH, /* 0x0e */
ZFS_IOC_VDEV_DETACH, /* 0x0f */
ZFS_IOC_VDEV_SETPATH, /* 0x10 */
ZFS_IOC_VDEV_SETFRU, /* 0x11 */
ZFS_IOC_OBJSET_STATS, /* 0x12 */
ZFS_IOC_OBJSET_ZPLPROPS, /* 0x13 */
ZFS_IOC_DATASET_LIST_NEXT, /* 0x14 */
ZFS_IOC_SNAPSHOT_LIST_NEXT, /* 0x15 */
ZFS_IOC_SET_PROP, /* 0x16 */
ZFS_IOC_CREATE, /* 0x17 */
ZFS_IOC_DESTROY, /* 0x18 */
ZFS_IOC_ROLLBACK, /* 0x19 */
ZFS_IOC_RENAME, /* 0x1a */
ZFS_IOC_RECV, /* 0x1b */
ZFS_IOC_SEND, /* 0x1c */
ZFS_IOC_INJECT_FAULT, /* 0x1d */
ZFS_IOC_CLEAR_FAULT, /* 0x1e */
ZFS_IOC_INJECT_LIST_NEXT, /* 0x1f */
ZFS_IOC_ERROR_LOG, /* 0x20 */
ZFS_IOC_CLEAR, /* 0x21 */
ZFS_IOC_PROMOTE, /* 0x22 */
/* start of mismatch */
ZFS_IOC_LEGACY_SNAPSHOT, /* 0x23 */
ZFS_IOC_LEGACY_DSOBJ_TO_DSNAME, /* 0x24 */
ZFS_IOC_LEGACY_OBJ_TO_PATH, /* 0x25 */
ZFS_IOC_LEGACY_POOL_SET_PROPS, /* 0x26 */
ZFS_IOC_LEGACY_POOL_GET_PROPS, /* 0x27 */
ZFS_IOC_LEGACY_SET_FSACL, /* 0x28 */
ZFS_IOC_LEGACY_GET_FSACL, /* 0x29 */
ZFS_IOC_LEGACY_SHARE, /* 0x2a */
ZFS_IOC_LEGACY_INHERIT_PROP, /* 0x2b */
ZFS_IOC_LEGACY_SMB_ACL, /* 0x2c */
ZFS_IOC_LEGACY_USERSPACE_ONE, /* 0x2d */
ZFS_IOC_LEGACY_USERSPACE_MANY, /* 0x2e */
ZFS_IOC_LEGACY_USERSPACE_UPGRADE, /* 0x2f */
ZFS_IOC_LEGACY_HOLD, /* 0x30 */
ZFS_IOC_LEGACY_RELEASE, /* 0x31 */
ZFS_IOC_LEGACY_GET_HOLDS, /* 0x32 */
ZFS_IOC_LEGACY_OBJSET_RECVD_PROPS, /* 0x33 */
ZFS_IOC_LEGACY_VDEV_SPLIT, /* 0x34 */
ZFS_IOC_LEGACY_NEXT_OBJ, /* 0x35 */
ZFS_IOC_LEGACY_DIFF, /* 0x36 */
ZFS_IOC_LEGACY_TMP_SNAPSHOT, /* 0x37 */
ZFS_IOC_LEGACY_OBJ_TO_STATS, /* 0x38 */
ZFS_IOC_LEGACY_SPACE_WRITTEN, /* 0x39 */
ZFS_IOC_LEGACY_SPACE_SNAPS, /* 0x3a */
ZFS_IOC_LEGACY_DESTROY_SNAPS, /* 0x3b */
ZFS_IOC_LEGACY_POOL_REGUID, /* 0x3c */
ZFS_IOC_LEGACY_POOL_REOPEN, /* 0x3d */
ZFS_IOC_LEGACY_SEND_PROGRESS, /* 0x3e */
ZFS_IOC_LEGACY_LOG_HISTORY, /* 0x3f */
ZFS_IOC_LEGACY_SEND_NEW, /* 0x40 */
ZFS_IOC_LEGACY_SEND_SPACE, /* 0x41 */
ZFS_IOC_LEGACY_CLONE, /* 0x42 */
ZFS_IOC_LEGACY_BOOKMARK, /* 0x43 */
ZFS_IOC_LEGACY_GET_BOOKMARKS, /* 0x44 */
ZFS_IOC_LEGACY_DESTROY_BOOKMARKS, /* 0x45 */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_RECV_NEW */
ZFS_IOC_LEGACY_POOL_SYNC, /* 0x47 */
ZFS_IOC_LEGACY_CHANNEL_PROGRAM, /* 0x48 */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_LOAD_KEY */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_UNLOAD_KEY */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_CHANGE_KEY */
ZFS_IOC_LEGACY_REMAP, /* 0x4c */
ZFS_IOC_LEGACY_POOL_CHECKPOINT, /* 0x4d */
ZFS_IOC_LEGACY_POOL_DISCARD_CHECKPOINT, /* 0x4e */
ZFS_IOC_LEGACY_POOL_INITIALIZE, /* 0x4f */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_POOL_TRIM */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_REDACT */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_GET_BOOKMARK_PROPS */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_WAIT */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_WAIT_FS */
};
unsigned static long zfs_ioctl_ozfs_to_legacy_platform_[] = {
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_EVENTS_NEXT */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_EVENTS_CLEAR */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_EVENTS_SEEK */
ZFS_IOC_LEGACY_NEXTBOOT,
ZFS_IOC_LEGACY_JAIL,
ZFS_IOC_LEGACY_UNJAIL,
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_SET_BOOTENV */
ZFS_IOC_LEGACY_NONE, /* ZFS_IOC_GET_BOOTENV */
};
int
zfs_ioctl_legacy_to_ozfs(int request)
{
if (request >= sizeof (zfs_ioctl_legacy_to_ozfs_)/sizeof (long))
return (-1);
return (zfs_ioctl_legacy_to_ozfs_[request]);
}
int
zfs_ioctl_ozfs_to_legacy(int request)
{
if (request > ZFS_IOC_LAST)
return (-1);
if (request > ZFS_IOC_PLATFORM)
return (zfs_ioctl_ozfs_to_legacy_platform_[request]);
if (request >= sizeof (zfs_ioctl_ozfs_to_legacy_common_)/sizeof (long))
return (-1);
return (zfs_ioctl_ozfs_to_legacy_common_[request]);
}
void
zfs_cmd_legacy_to_ozfs(zfs_cmd_legacy_t *src, zfs_cmd_t *dst)
{
memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
*&dst->zc_objset_stats = *&src->zc_objset_stats;
memcpy(&dst->zc_begin_record, &src->zc_begin_record,
offsetof(zfs_cmd_t, zc_sendobj) -
offsetof(zfs_cmd_t, zc_begin_record));
memcpy(&dst->zc_sendobj, &src->zc_sendobj,
sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
dst->zc_zoneid = src->zc_jailid;
}
void
zfs_cmd_ozfs_to_legacy(zfs_cmd_t *src, zfs_cmd_legacy_t *dst)
{
memcpy(dst, src, offsetof(zfs_cmd_t, zc_objset_stats));
*&dst->zc_objset_stats = *&src->zc_objset_stats;
*&dst->zc_begin_record.drr_u.drr_begin = *&src->zc_begin_record;
dst->zc_begin_record.drr_payloadlen = 0;
dst->zc_begin_record.drr_type = 0;
memcpy(&dst->zc_inject_record, &src->zc_inject_record,
offsetof(zfs_cmd_t, zc_sendobj) -
offsetof(zfs_cmd_t, zc_inject_record));
dst->zc_resumable = B_FALSE;
memcpy(&dst->zc_sendobj, &src->zc_sendobj,
sizeof (zfs_cmd_t) - 8 - offsetof(zfs_cmd_t, zc_sendobj));
dst->zc_jailid = src->zc_zoneid;
}