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 | \
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 | \
38 /* Events that user can request to be notified on */
39 #define FANOTIFY_EVENTS (FAN_ACCESS | FAN_MODIFY | \
42 /* Events that require a permission response from user */
43 #define FANOTIFY_PERM_EVENTS (FAN_OPEN_PERM | FAN_ACCESS_PERM)
45 /* Extra flags that may be reported with event or control handling of events */
46 #define FANOTIFY_EVENT_FLAGS (FAN_EVENT_ON_CHILD | FAN_ONDIR)
48 /* Events that may be reported to user */
49 #define FANOTIFY_OUTGOING_EVENTS (FANOTIFY_EVENTS | \
50 FANOTIFY_PERM_EVENTS | \
53 #define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \
56 /* Do not use these old uapi constants internally */
57 #undef FAN_ALL_CLASS_BITS
58 #undef FAN_ALL_INIT_FLAGS
59 #undef FAN_ALL_MARK_FLAGS
61 #undef FAN_ALL_PERM_EVENTS
62 #undef FAN_ALL_OUTGOING_EVENTS
64 #endif /* _LINUX_FANOTIFY_H */