forked from ~ljy/RK356X_SDK_RELEASE

blame | history | patch | commit | commitdiff
hc
2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb 
 kernel/include/linux/fanotify.h
....@@ -4,6 +4,82 @@
44 
55 #include <uapi/linux/fanotify.h>
66 
7
-/* not valid from userspace, only kernel internal */
8
-#define FAN_MARK_ONDIR		0x00000100
7
+#define FAN_GROUP_FLAG(group, flag) \
8
+	((group)->fanotify_data.flags & (flag))
9
+
10
+/*
11
+ * Flags allowed to be passed from/to userspace.
12
+ *
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.
17
+ */
18
+#define FANOTIFY_CLASS_BITS	(FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | \
19
+				 FAN_CLASS_PRE_CONTENT)
20
+
21
+#define FANOTIFY_FID_BITS	(FAN_REPORT_FID | FAN_REPORT_DFID_NAME)
22
+
23
+#define FANOTIFY_INIT_FLAGS	(FANOTIFY_CLASS_BITS | FANOTIFY_FID_BITS | \
24
+				 FAN_REPORT_TID | \
25
+				 FAN_CLOEXEC | FAN_NONBLOCK | \
26
+				 FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS)
27
+
28
+#define FANOTIFY_MARK_TYPE_BITS	(FAN_MARK_INODE | FAN_MARK_MOUNT | \
29
+				 FAN_MARK_FILESYSTEM)
30
+
31
+#define FANOTIFY_MARK_FLAGS	(FANOTIFY_MARK_TYPE_BITS | \
32
+				 FAN_MARK_ADD | \
33
+				 FAN_MARK_REMOVE | \
34
+				 FAN_MARK_DONT_FOLLOW | \
35
+				 FAN_MARK_ONLYDIR | \
36
+				 FAN_MARK_IGNORED_MASK | \
37
+				 FAN_MARK_IGNORED_SURV_MODIFY | \
38
+				 FAN_MARK_FLUSH)
39
+
40
+/*
41
+ * Events that can be reported with data type FSNOTIFY_EVENT_PATH.
42
+ * Note that FAN_MODIFY can also be reported with data type
43
+ * FSNOTIFY_EVENT_INODE.
44
+ */
45
+#define FANOTIFY_PATH_EVENTS	(FAN_ACCESS | FAN_MODIFY | \
46
+				 FAN_CLOSE | FAN_OPEN | FAN_OPEN_EXEC)
47
+
48
+/*
49
+ * Directory entry modification events - reported only to directory
50
+ * where entry is modified and not to a watching parent.
51
+ */
52
+#define FANOTIFY_DIRENT_EVENTS	(FAN_MOVE | FAN_CREATE | FAN_DELETE)
53
+
54
+/* Events that can only be reported with data type FSNOTIFY_EVENT_INODE */
55
+#define FANOTIFY_INODE_EVENTS	(FANOTIFY_DIRENT_EVENTS | \
56
+				 FAN_ATTRIB | FAN_MOVE_SELF | FAN_DELETE_SELF)
57
+
58
+/* Events that user can request to be notified on */
59
+#define FANOTIFY_EVENTS		(FANOTIFY_PATH_EVENTS | \
60
+				 FANOTIFY_INODE_EVENTS)
61
+
62
+/* Events that require a permission response from user */
63
+#define FANOTIFY_PERM_EVENTS	(FAN_OPEN_PERM | FAN_ACCESS_PERM | \
64
+				 FAN_OPEN_EXEC_PERM)
65
+
66
+/* Extra flags that may be reported with event or control handling of events */
67
+#define FANOTIFY_EVENT_FLAGS	(FAN_EVENT_ON_CHILD | FAN_ONDIR)
68
+
69
+/* Events that may be reported to user */
70
+#define FANOTIFY_OUTGOING_EVENTS	(FANOTIFY_EVENTS | \
71
+					 FANOTIFY_PERM_EVENTS | \
72
+					 FAN_Q_OVERFLOW | FAN_ONDIR)
73
+
74
+#define ALL_FANOTIFY_EVENT_BITS		(FANOTIFY_OUTGOING_EVENTS | \
75
+					 FANOTIFY_EVENT_FLAGS)
76
+
77
+/* Do not use these old uapi constants internally */
78
+#undef FAN_ALL_CLASS_BITS
79
+#undef FAN_ALL_INIT_FLAGS
80
+#undef FAN_ALL_MARK_FLAGS
81
+#undef FAN_ALL_EVENTS
82
+#undef FAN_ALL_PERM_EVENTS
83
+#undef FAN_ALL_OUTGOING_EVENTS
84
+
985 #endif /* _LINUX_FANOTIFY_H */