1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef _LINUX_FANOTIFY_H 3*4882a593Smuzhiyun #define _LINUX_FANOTIFY_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <uapi/linux/fanotify.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define FAN_GROUP_FLAG(group, flag) \ 8*4882a593Smuzhiyun ((group)->fanotify_data.flags & (flag)) 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /* 11*4882a593Smuzhiyun * Flags allowed to be passed from/to userspace. 12*4882a593Smuzhiyun * 13*4882a593Smuzhiyun * We intentionally do not add new bits to the old FAN_ALL_* constants, because 14*4882a593Smuzhiyun * they are uapi exposed constants. If there are programs out there using 15*4882a593Smuzhiyun * these constant, the programs may break if re-compiled with new uapi headers 16*4882a593Smuzhiyun * and then run on an old kernel. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun #define FANOTIFY_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \ 19*4882a593Smuzhiyun FAN_CLASS_PRE_CONTENT) 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define FANOTIFY_FID_BITS (FAN_REPORT_FID | FAN_REPORT_DFID_NAME) 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #define FANOTIFY_INIT_FLAGS (FANOTIFY_CLASS_BITS | FANOTIFY_FID_BITS | \ 24*4882a593Smuzhiyun FAN_REPORT_TID | \ 25*4882a593Smuzhiyun FAN_CLOEXEC | FAN_NONBLOCK | \ 26*4882a593Smuzhiyun FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS) 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun #define FANOTIFY_MARK_TYPE_BITS (FAN_MARK_INODE | FAN_MARK_MOUNT | \ 29*4882a593Smuzhiyun FAN_MARK_FILESYSTEM) 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #define FANOTIFY_MARK_FLAGS (FANOTIFY_MARK_TYPE_BITS | \ 32*4882a593Smuzhiyun FAN_MARK_ADD | \ 33*4882a593Smuzhiyun FAN_MARK_REMOVE | \ 34*4882a593Smuzhiyun FAN_MARK_DONT_FOLLOW | \ 35*4882a593Smuzhiyun FAN_MARK_ONLYDIR | \ 36*4882a593Smuzhiyun FAN_MARK_IGNORED_MASK | \ 37*4882a593Smuzhiyun FAN_MARK_IGNORED_SURV_MODIFY | \ 38*4882a593Smuzhiyun FAN_MARK_FLUSH) 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* 41*4882a593Smuzhiyun * Events that can be reported with data type FSNOTIFY_EVENT_PATH. 42*4882a593Smuzhiyun * Note that FAN_MODIFY can also be reported with data type 43*4882a593Smuzhiyun * FSNOTIFY_EVENT_INODE. 44*4882a593Smuzhiyun */ 45*4882a593Smuzhiyun #define FANOTIFY_PATH_EVENTS (FAN_ACCESS | FAN_MODIFY | \ 46*4882a593Smuzhiyun FAN_CLOSE | FAN_OPEN | FAN_OPEN_EXEC) 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun /* 49*4882a593Smuzhiyun * Directory entry modification events - reported only to directory 50*4882a593Smuzhiyun * where entry is modified and not to a watching parent. 51*4882a593Smuzhiyun */ 52*4882a593Smuzhiyun #define FANOTIFY_DIRENT_EVENTS (FAN_MOVE | FAN_CREATE | FAN_DELETE) 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun /* Events that can only be reported with data type FSNOTIFY_EVENT_INODE */ 55*4882a593Smuzhiyun #define FANOTIFY_INODE_EVENTS (FANOTIFY_DIRENT_EVENTS | \ 56*4882a593Smuzhiyun FAN_ATTRIB | FAN_MOVE_SELF | FAN_DELETE_SELF) 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun /* Events that user can request to be notified on */ 59*4882a593Smuzhiyun #define FANOTIFY_EVENTS (FANOTIFY_PATH_EVENTS | \ 60*4882a593Smuzhiyun FANOTIFY_INODE_EVENTS) 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* Events that require a permission response from user */ 63*4882a593Smuzhiyun #define FANOTIFY_PERM_EVENTS (FAN_OPEN_PERM | FAN_ACCESS_PERM | \ 64*4882a593Smuzhiyun FAN_OPEN_EXEC_PERM) 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun /* Extra flags that may be reported with event or control handling of events */ 67*4882a593Smuzhiyun #define FANOTIFY_EVENT_FLAGS (FAN_EVENT_ON_CHILD | FAN_ONDIR) 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun /* Events that may be reported to user */ 70*4882a593Smuzhiyun #define FANOTIFY_OUTGOING_EVENTS (FANOTIFY_EVENTS | \ 71*4882a593Smuzhiyun FANOTIFY_PERM_EVENTS | \ 72*4882a593Smuzhiyun FAN_Q_OVERFLOW | FAN_ONDIR) 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun #define ALL_FANOTIFY_EVENT_BITS (FANOTIFY_OUTGOING_EVENTS | \ 75*4882a593Smuzhiyun FANOTIFY_EVENT_FLAGS) 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun /* Do not use these old uapi constants internally */ 78*4882a593Smuzhiyun #undef FAN_ALL_CLASS_BITS 79*4882a593Smuzhiyun #undef FAN_ALL_INIT_FLAGS 80*4882a593Smuzhiyun #undef FAN_ALL_MARK_FLAGS 81*4882a593Smuzhiyun #undef FAN_ALL_EVENTS 82*4882a593Smuzhiyun #undef FAN_ALL_PERM_EVENTS 83*4882a593Smuzhiyun #undef FAN_ALL_OUTGOING_EVENTS 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun #endif /* _LINUX_FANOTIFY_H */ 86