1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_FANOTIFY_H
3 #define _LINUX_FANOTIFY_H
5 #include <uapi/linux/fanotify.h>
7 #define FAN_GROUP_FLAG(group, flag) \
8 ((group)->fanotify_data.flags & (flag))
11 * Flags allowed to be passed from/to userspace.
13 * We intentionally do not add new bits to the old FAN_ALL_* constants, because
14 * they are uapi exposed constants. If there are programs out there using
15 * these constant, the programs may break if re-compiled with new uapi headers
16 * and then run on an old kernel.
18 #define FANOTIFY_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \
19 FAN_CLASS_PRE_CONTENT)
21 #define FANOTIFY_INIT_FLAGS (FANOTIFY_CLASS_BITS | \
22 FAN_REPORT_TID | FAN_REPORT_FID | \
23 FAN_CLOEXEC | FAN_NONBLOCK | \
24 FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS)
26 #define FANOTIFY_MARK_TYPE_BITS (FAN_MARK_INODE | FAN_MARK_MOUNT | \
29 #define FANOTIFY_MARK_FLAGS (FANOTIFY_MARK_TYPE_BITS | \
32 FAN_MARK_DONT_FOLLOW | \
34 FAN_MARK_IGNORED_MASK | \
35 FAN_MARK_IGNORED_SURV_MODIFY | \
39 * Events that can be reported with data type FSNOTIFY_EVENT_PATH.
40 * Note that FAN_MODIFY can also be reported with data type
41 * FSNOTIFY_EVENT_INODE.
43 #define FANOTIFY_PATH_EVENTS (FAN_ACCESS | FAN_MODIFY | \
44 FAN_CLOSE | FAN_OPEN | FAN_OPEN_EXEC)
47 * Directory entry modification events - reported only to directory
48 * where entry is modified and not to a watching parent.
50 #define FANOTIFY_DIRENT_EVENTS (FAN_MOVE | FAN_CREATE | FAN_DELETE)
52 /* Events that can only be reported with data type FSNOTIFY_EVENT_INODE */
53 #define FANOTIFY_INODE_EVENTS (FANOTIFY_DIRENT_EVENTS | \
54 FAN_ATTRIB | FAN_MOVE_SELF | FAN_DELETE_SELF)
56 /* Events that user can request to be notified on */
57 #define FANOTIFY_EVENTS (FANOTIFY_PATH_EVENTS | \
58 FANOTIFY_INODE_EVENTS)
60 /* Events that require a permission response from user */
61 #define FANOTIFY_PERM_EVENTS (FAN_OPEN_PERM | FAN_ACCESS_PERM | \
64 /* Extra flags that may be reported with event or control handling of events */
65 #define FANOTIFY_EVENT_FLAGS (FAN_EVENT_ON_CHILD | FAN_ONDIR)
67 /* Events that may be reported to user */
68 #define FANOTIFY_OUTGOING_EVENTS (FANOTIFY_EVENTS | \
69 FANOTIFY_PERM_EVENTS | \
70 FAN_Q_OVERFLOW | FAN_ONDIR)
72 #define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \
75 /* Do not use these old uapi constants internally */
76 #undef FAN_ALL_CLASS_BITS
77 #undef FAN_ALL_INIT_FLAGS
78 #undef FAN_ALL_MARK_FLAGS
80 #undef FAN_ALL_PERM_EVENTS
81 #undef FAN_ALL_OUTGOING_EVENTS
83 #endif /* _LINUX_FANOTIFY_H */