text: /* 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 */
  