/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_FANOTIFY_H #define _LINUX_FANOTIFY_H #include <uapi/linux/fanotify.h> #define FAN_GROUP_FLAG(group, flag) \ ((group)->fanotify_data.flags & (flag)) /* * Flags allowed to be passed from/to userspace. * * We intentionally do not add new bits to the old FAN_ALL_* constants, because * they are uapi exposed constants. If there are programs out there using * these constant, the programs may break if re-compiled with new uapi headers * and then run on an old kernel. */ #define FANOTIFY_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \ FAN_CLASS_PRE_CONTENT) #define FANOTIFY_INIT_FLAGS (FANOTIFY_CLASS_BITS | \ FAN_REPORT_TID | FAN_REPORT_FID | \ FAN_CLOEXEC | FAN_NONBLOCK | \ FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS) #define FANOTIFY_MARK_TYPE_BITS (FAN_MARK_INODE | FAN_MARK_MOUNT | \ FAN_MARK_FILESYSTEM) #define FANOTIFY_MARK_FLAGS (FANOTIFY_MARK_TYPE_BITS | \ FAN_MARK_ADD | \ FAN_MARK_REMOVE | \ FAN_MARK_DONT_FOLLOW | \ FAN_MARK_ONLYDIR | \ FAN_MARK_IGNORED_MASK | \ FAN_MARK_IGNORED_SURV_MODIFY | \ FAN_MARK_FLUSH) /* * Events that can be reported with data type FSNOTIFY_EVENT_PATH. * Note that FAN_MODIFY can also be reported with data type * FSNOTIFY_EVENT_INODE. */ #define FANOTIFY_PATH_EVENTS (FAN_ACCESS | FAN_MODIFY | \ FAN_CLOSE | FAN_OPEN | FAN_OPEN_EXEC) /* * Directory entry modification events - reported only to directory * where entry is modified and not to a watching parent. */ #define FANOTIFY_DIRENT_EVENTS (FAN_MOVE | FAN_CREATE | FAN_DELETE) /* Events that can only be reported with data type FSNOTIFY_EVENT_INODE */ #define FANOTIFY_INODE_EVENTS (FANOTIFY_DIRENT_EVENTS | \ FAN_ATTRIB | FAN_MOVE_SELF | FAN_DELETE_SELF) /* Events that user can request to be notified on */ #define FANOTIFY_EVENTS (FANOTIFY_PATH_EVENTS | \ FANOTIFY_INODE_EVENTS) /* Events that require a permission response from user */ #define FANOTIFY_PERM_EVENTS (FAN_OPEN_PERM | FAN_ACCESS_PERM | \ FAN_OPEN_EXEC_PERM) /* Extra flags that may be reported with event or control handling of events */ #define FANOTIFY_EVENT_FLAGS (FAN_EVENT_ON_CHILD | FAN_ONDIR) /* Events that may be reported to user */ #define FANOTIFY_OUTGOING_EVENTS (FANOTIFY_EVENTS | \ FANOTIFY_PERM_EVENTS | \ FAN_Q_OVERFLOW | FAN_ONDIR) #define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \ FANOTIFY_EVENT_FLAGS) /* Do not use these old uapi constants internally */ #undef FAN_ALL_CLASS_BITS #undef FAN_ALL_INIT_FLAGS #undef FAN_ALL_MARK_FLAGS #undef FAN_ALL_EVENTS #undef FAN_ALL_PERM_EVENTS #undef FAN_ALL_OUTGOING_EVENTS #endif /* _LINUX_FANOTIFY_H */