]> git.saurik.com Git - apple/xnu.git/blame - bsd/sys/fsctl.h
xnu-2422.90.20.tar.gz
[apple/xnu.git] / bsd / sys / fsctl.h
CommitLineData
1c79356b 1/*
5d5c5d0d
A
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
2d21ac55
A
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
8f6c56a5 14 *
2d21ac55
A
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b
A
27 */
28/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
29/*-
30 * Copyright (c) 1982, 1986, 1990, 1993, 1994
31 * The Regents of the University of California. All rights reserved.
32 * (c) UNIX System Laboratories, Inc.
33 * All or some portions of this file are derived from material licensed
34 * to the University of California by American Telephone and Telegraph
35 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
36 * the permission of UNIX System Laboratories, Inc.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * This product includes software developed by the University of
49 * California, Berkeley and its contributors.
50 * 4. Neither the name of the University nor the names of its contributors
51 * may be used to endorse or promote products derived from this software
52 * without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
64 * SUCH DAMAGE.
65 *
66 * @(#)fsctl.h 8.6 (Berkeley) 3/28/94
67 */
68
69#ifndef _SYS_FSCTL_H_
70#define _SYS_FSCTL_H_
71
72#include <sys/ioccom.h>
6d2010ae 73#include <sys/mount.h>
1c79356b 74
6d2010ae 75#ifdef XNU_KERNEL_PRIVATE
b0d623f7 76
39236c6e 77/* Userland structs for namespace handler */
6d2010ae
A
78typedef struct user64_namespace_handler_info {
79 user64_addr_t token;
80 user64_addr_t flags;
81 user64_addr_t fdptr;
82} user64_namespace_handler_info;
83
84typedef struct user32_namespace_handler_info {
85 user32_addr_t token;
86 user32_addr_t flags;
87 user32_addr_t fdptr;
88} user32_namespace_handler_info;
89
39236c6e
A
90
91/* Kernel-internal of namespace handler info */
6d2010ae
A
92typedef struct namespace_handler_info {
93 user_addr_t token;
94 user_addr_t flags;
95 user_addr_t fdptr;
96} namespace_handler_info;
97
39236c6e
A
98
99/* Userland structs for extended namespace handler */
6d2010ae
A
100typedef struct user64_namespace_handler_info_ext {
101 user64_addr_t token;
102 user64_addr_t flags;
103 user64_addr_t fdptr;
104 user64_addr_t infoptr;
105} user64_namespace_handler_info_ext;
106
107typedef struct user32_namespace_handler_info_ext {
108 user32_addr_t token;
109 user32_addr_t flags;
110 user32_addr_t fdptr;
111 user32_addr_t infoptr;
112} user32_namespace_handler_info_ext;
113
39236c6e
A
114
115/* Kernel-internal of extended namespace handler */
6d2010ae
A
116typedef struct namespace_handler_info_ext {
117 user_addr_t token;
118 user_addr_t flags;
119 user_addr_t fdptr;
120 user_addr_t infoptr;
121} namespace_handler_info_ext;
122
39236c6e
A
123/* Size-Augmented namespace_handler_info */
124/* 64 bit userland*/
125typedef struct user64_namespace_handler_data {
126 user64_addr_t token;
127 user64_addr_t flags;
128 user64_addr_t fdptr;
129 user64_addr_t infoptr;
130 user64_addr_t objid;
131 user64_addr_t reserved1;
132 user64_addr_t reserved2;
133 user64_addr_t reserved3;
134} user64_namespace_handler_data;
135
136/*32 bit userland*/
137typedef struct user32_namespace_handler_data {
138 user32_addr_t token;
139 user32_addr_t flags;
140 user32_addr_t fdptr;
141 user32_addr_t infoptr;
142 user32_addr_t objid;
143 user32_addr_t reserved1;
144 user32_addr_t reserved2;
145 user32_addr_t reserved3;
146} user32_namespace_handler_data;
147
148/* kernel-internal */
149typedef struct namespace_handler_data {
150 user_addr_t token;
151 user_addr_t flags;
152 user_addr_t fdptr;
153 user_addr_t infoptr;
154 user_addr_t objid;
155 user_addr_t reserved1;
156 user_addr_t reserved2;
157 user_addr_t reserved3;
158} namespace_handler_data;
159
160
161#define NSPACE_REARM_NO_ARG ((void *)1)
6d2010ae
A
162extern int resolve_nspace_item(struct vnode *vp, uint64_t op);
163extern int resolve_nspace_item_ext(struct vnode *vp, uint64_t op, void *arg);
164extern int get_nspace_item_status(struct vnode *vp, int32_t *status);
165
166#else
167
168typedef struct namespace_handler_info {
169 int32_t *token;
170 int64_t *flags;
171 int32_t *fdptr;
172} namespace_handler_info;
173
174typedef struct namespace_handler_info_ext {
175 int32_t *token;
176 int64_t *flags;
177 int32_t *fdptr;
178 int64_t *infoptr; // for snapshot write events, the kernel puts an offset/length pair here
179} namespace_handler_info_ext;
180
39236c6e
A
181typedef struct namespace_handler_data {
182 int32_t *token;
183 int64_t *flags;
184 int32_t *fdptr;
185 int64_t *infoptr; // for snapshot write events, the kernel puts an offset/length pair here
186 int64_t *objid;
187 uint32_t *reserved1;
188 uint32_t *reserved2;
189 uint32_t *reserved3;
190} namespace_handler_data;
6d2010ae
A
191
192#endif /* XNU_KERNEL_PRIVATE */
193
194#define NAMESPACE_HANDLER_READ_OP 0x0001
195#define NAMESPACE_HANDLER_WRITE_OP 0x0002
196#define NAMESPACE_HANDLER_DELETE_OP 0x0004
197#define NAMESPACE_HANDLER_TRUNCATE_OP 0x0008
198#define NAMESPACE_HANDLER_RENAME_OP 0x0010
199#define NAMESPACE_HANDLER_METADATA_WRITE_OP 0x0020
200#define NAMESPACE_HANDLER_METADATA_DELETE_OP 0x0040
201#define NAMESPACE_HANDLER_METADATA_MOD 0x0080
39236c6e 202// #define NAMESPACE_HANDLER_OP_DO_NOT_USE 0x0100 // SNAPSHOT_EVENT uses this value
6d2010ae 203#define NAMESPACE_HANDLER_LINK_CREATE 0x0200
39236c6e
A
204#define NAMESPACE_HANDLER_RENAME_SUCCESS_OP 0x0400
205#define NAMESPACE_HANDLER_RENAME_FAILED_OP 0x0800
6d2010ae
A
206
207#define NAMESPACE_HANDLER_NSPACE_EVENT 0x1000
208#define NAMESPACE_HANDLER_SNAPSHOT_EVENT 0x0100
209#define NAMESPACE_HANDLER_TRACK_EVENT 0x2000
210
211#define NAMESPACE_HANDLER_EVENT_TYPE_MASK (NAMESPACE_HANDLER_NSPACE_EVENT | NAMESPACE_HANDLER_SNAPSHOT_EVENT | NAMESPACE_HANDLER_TRACK_EVENT)
212
213#define DATALESS_CMPFS_TYPE 0x80000001
b0d623f7
A
214
215
6d2010ae
A
216typedef int32_t nspace_handler_info[2];
217typedef char fstypename_t[MFSTYPENAMELEN];
218
219#ifdef KERNEL
220
221typedef struct user64_package_ext_info {
222 user64_addr_t strings;
223 uint32_t num_entries;
224 uint32_t max_width;
225} user64_package_ext_info;
226
227typedef struct user32_package_ext_info {
228 user32_addr_t strings;
229 uint32_t num_entries;
230 uint32_t max_width;
231} user32_package_ext_info;
232
233#endif // KERNEL
234
b0d623f7
A
235typedef struct package_ext_info {
236 const char *strings;
237 uint32_t num_entries;
238 uint32_t max_width;
239} package_ext_info;
240
6d2010ae
A
241#define FSCTL_SYNC_FULLSYNC (1<<0) /* Flush the data fully to disk, if supported by the filesystem */
242#define FSCTL_SYNC_WAIT (1<<1) /* Wait for the sync to complete */
243
244
245#define FSIOC_SYNC_VOLUME _IOW('A', 1, uint32_t)
246#define FSCTL_SYNC_VOLUME IOCBASECMD(FSIOC_SYNC_VOLUME)
247
248#define FSIOC_SET_PACKAGE_EXTS _IOW('A', 2, struct package_ext_info)
249#define FSCTL_SET_PACKAGE_EXTS IOCBASECMD(FSIOC_SET_PACKAGE_EXTS)
250
39236c6e
A
251/* Unsupported - previously FSIOC_WAIT_FOR_SYNC */
252#define FSIOC_UNSUPPORTED _IOR('A', 3, int32_t)
6d2010ae
A
253
254#define FSIOC_NAMESPACE_HANDLER_GET _IOW('A', 4, struct namespace_handler_info)
255#define FSCTL_NAMESPACE_HANDLER_GET IOCBASECMD(FSIOC_NAMESPACE_HANDLER_GET)
256
257#define FSIOC_NAMESPACE_HANDLER_UPDATE _IOW('A', 5, nspace_handler_info)
258#define FSCTL_NAMESPACE_HANDLER_UPDATE IOCBASECMD(FSIOC_NAMESPACE_HANDLER_UPDATE)
259
260#define FSIOC_NAMESPACE_HANDLER_UNBLOCK _IOW('A', 6, nspace_handler_info)
261#define FSCTL_NAMESPACE_HANDLER_UNBLOCK IOCBASECMD(FSIOC_NAMESPACE_HANDLER_UNBLOCK)
b0d623f7 262
6d2010ae
A
263#define FSIOC_NAMESPACE_HANDLER_CANCEL _IOW('A', 7, nspace_handler_info)
264#define FSCTL_NAMESPACE_HANDLER_CANCEL IOCBASECMD(FSIOC_NAMESPACE_HANDLER_CANCEL)
b0d623f7 265
6d2010ae
A
266#define FSIOC_NAMESPACE_HANDLER_SET_SNAPSHOT_TIME _IOW('A', 8, int32_t)
267#define FSCTL_NAMESPACE_HANDLER_SET_SNAPSHOT_TIME IOCBASECMD(FSIOC_NAMESPACE_HANDLER_SET_SNAPSHOT_TIME)
268
269#define FSIOC_OLD_SNAPSHOT_HANDLER_GET _IOW('A', 9, struct namespace_handler_info)
270#define FSCTL_OLD_SNAPSHOT_HANDLER_GET IOCBASECMD(FSIOC_OLD_SNAPSHOT_HANDLER_GET)
271
272#define FSIOC_SET_FSTYPENAME_OVERRIDE _IOW('A', 10, fstypename_t)
273#define FSCTL_SET_FSTYPENAME_OVERRIDE IOCBASECMD(FSIOC_SET_FSTYPENAME_OVERRIDE)
274
275#define FSIOC_NAMESPACE_ALLOW_DMG_SNAPSHOT_EVENTS _IOW('A', 11, int32_t)
276#define FSCTL_NAMESPACE_ALLOW_DMG_SNAPSHOT_EVENTS IOCBASECMD(FSIOC_NAMESPACE_ALLOW_DMG_SNAPSHOT_EVENTS)
277
278#define FSIOC_TRACKED_HANDLER_GET _IOW('A', 12, struct namespace_handler_info)
279#define FSCTL_TRACKED_HANDLER_GET IOCBASECMD(FSIOC_TRACKED_HANDLER_GET)
280
281#define FSIOC_SNAPSHOT_HANDLER_GET_EXT _IOW('A', 13, struct namespace_handler_info_ext)
282#define FSCTL_SNAPSHOT_HANDLER_GET_EXT IOCBASECMD(FSIOC_SNAPSHOT_HANDLER_GET_EXT)
283
39236c6e
A
284#define FSIOC_NAMESPACE_HANDLER_GETDATA _IOW('A', 14, struct namespace_handler_data)
285#define FSCTL_NAMESPACE_HANDLER_GETDATA IOCBASECMD(FSIOC_NAMESPACE_HANDLER_GETDATA)
286
287
6d2010ae 288//
39236c6e 289// IO commands 15, 16, and 17 are currently unused
6d2010ae 290//
b0d623f7
A
291
292//
293// Spotlight and fseventsd use these fsctl()'s to find out
294// the mount time of a volume and the last time it was
295// unmounted. Both HFS and ZFS support these calls.
296//
297// User space code should pass the "_IOC_" macros while the
298// kernel should test for the "_FSCTL_" variant of the macro
299// in its vnop_ioctl function.
300//
301// NOTE: the values for these defines should _not_ be changed
302// or else it will break binary compatibility with mds
303// and fseventsd.
304//
6d2010ae
A
305#define SPOTLIGHT_IOC_GET_MOUNT_TIME _IOR('h', 18, u_int32_t)
306#define SPOTLIGHT_FSCTL_GET_MOUNT_TIME IOCBASECMD(SPOTLIGHT_IOC_GET_MOUNT_TIME)
307#define SPOTLIGHT_IOC_GET_LAST_MTIME _IOR('h', 19, u_int32_t)
308#define SPOTLIGHT_FSCTL_GET_LAST_MTIME IOCBASECMD(SPOTLIGHT_IOC_GET_LAST_MTIME)
b0d623f7
A
309
310
1c79356b
A
311#ifndef KERNEL
312
313#include <sys/cdefs.h>
314
315__BEGIN_DECLS
b0d623f7
A
316
317int fsctl(const char *,unsigned long,void*,unsigned int);
318int ffsctl(int,unsigned long,void*,unsigned int);
319
1c79356b
A
320__END_DECLS
321
322#endif /* !KERNEL */
323#endif /* !_SYS_FSCTL_H_ */