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mirror_zfs/module/os/freebsd/zfs/zfs_ioctl_compat.c
Matthew Macy 47ed79ff60
Changes to make openzfs build within FreeBSD buildworld 
A collection of header changes to enable FreeBSD to build
with vendored OpenZFS.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10635
2020-07-31 21:30:31 -07:00

362 lines
12 KiB
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/*
* 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/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/errno.h>
#include <sys/cmn_err.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;
}
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