1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_FANOTIFY_H 20 #define _UAPI_LINUX_FANOTIFY_H 21 #include <linux/types.h> 22 #define FAN_ACCESS 0x00000001 23 #define FAN_MODIFY 0x00000002 24 #define FAN_ATTRIB 0x00000004 25 #define FAN_CLOSE_WRITE 0x00000008 26 #define FAN_CLOSE_NOWRITE 0x00000010 27 #define FAN_OPEN 0x00000020 28 #define FAN_MOVED_FROM 0x00000040 29 #define FAN_MOVED_TO 0x00000080 30 #define FAN_CREATE 0x00000100 31 #define FAN_DELETE 0x00000200 32 #define FAN_DELETE_SELF 0x00000400 33 #define FAN_MOVE_SELF 0x00000800 34 #define FAN_OPEN_EXEC 0x00001000 35 #define FAN_Q_OVERFLOW 0x00004000 36 #define FAN_FS_ERROR 0x00008000 37 #define FAN_OPEN_PERM 0x00010000 38 #define FAN_ACCESS_PERM 0x00020000 39 #define FAN_OPEN_EXEC_PERM 0x00040000 40 #define FAN_EVENT_ON_CHILD 0x08000000 41 #define FAN_RENAME 0x10000000 42 #define FAN_ONDIR 0x40000000 43 #define FAN_CLOSE (FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) 44 #define FAN_MOVE (FAN_MOVED_FROM | FAN_MOVED_TO) 45 #define FAN_CLOEXEC 0x00000001 46 #define FAN_NONBLOCK 0x00000002 47 #define FAN_CLASS_NOTIF 0x00000000 48 #define FAN_CLASS_CONTENT 0x00000004 49 #define FAN_CLASS_PRE_CONTENT 0x00000008 50 #define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | FAN_CLASS_PRE_CONTENT) 51 #define FAN_UNLIMITED_QUEUE 0x00000010 52 #define FAN_UNLIMITED_MARKS 0x00000020 53 #define FAN_ENABLE_AUDIT 0x00000040 54 #define FAN_REPORT_PIDFD 0x00000080 55 #define FAN_REPORT_TID 0x00000100 56 #define FAN_REPORT_FID 0x00000200 57 #define FAN_REPORT_DIR_FID 0x00000400 58 #define FAN_REPORT_NAME 0x00000800 59 #define FAN_REPORT_TARGET_FID 0x00001000 60 #define FAN_REPORT_DFID_NAME (FAN_REPORT_DIR_FID | FAN_REPORT_NAME) 61 #define FAN_REPORT_DFID_NAME_TARGET (FAN_REPORT_DFID_NAME | FAN_REPORT_FID | FAN_REPORT_TARGET_FID) 62 #define FAN_ALL_INIT_FLAGS (FAN_CLOEXEC | FAN_NONBLOCK | FAN_ALL_CLASS_BITS | FAN_UNLIMITED_QUEUE | FAN_UNLIMITED_MARKS) 63 #define FAN_MARK_ADD 0x00000001 64 #define FAN_MARK_REMOVE 0x00000002 65 #define FAN_MARK_DONT_FOLLOW 0x00000004 66 #define FAN_MARK_ONLYDIR 0x00000008 67 #define FAN_MARK_IGNORED_MASK 0x00000020 68 #define FAN_MARK_IGNORED_SURV_MODIFY 0x00000040 69 #define FAN_MARK_FLUSH 0x00000080 70 #define FAN_MARK_EVICTABLE 0x00000200 71 #define FAN_MARK_IGNORE 0x00000400 72 #define FAN_MARK_INODE 0x00000000 73 #define FAN_MARK_MOUNT 0x00000010 74 #define FAN_MARK_FILESYSTEM 0x00000100 75 #define FAN_MARK_IGNORE_SURV (FAN_MARK_IGNORE | FAN_MARK_IGNORED_SURV_MODIFY) 76 #define FAN_ALL_MARK_FLAGS (FAN_MARK_ADD | FAN_MARK_REMOVE | FAN_MARK_DONT_FOLLOW | FAN_MARK_ONLYDIR | FAN_MARK_MOUNT | FAN_MARK_IGNORED_MASK | FAN_MARK_IGNORED_SURV_MODIFY | FAN_MARK_FLUSH) 77 #define FAN_ALL_EVENTS (FAN_ACCESS | FAN_MODIFY | FAN_CLOSE | FAN_OPEN) 78 #define FAN_ALL_PERM_EVENTS (FAN_OPEN_PERM | FAN_ACCESS_PERM) 79 #define FAN_ALL_OUTGOING_EVENTS (FAN_ALL_EVENTS | FAN_ALL_PERM_EVENTS | FAN_Q_OVERFLOW) 80 #define FANOTIFY_METADATA_VERSION 3 81 struct fanotify_event_metadata { 82 __u32 event_len; 83 __u8 vers; 84 __u8 reserved; 85 __u16 metadata_len; 86 __aligned_u64 mask; 87 __s32 fd; 88 __s32 pid; 89 }; 90 #define FAN_EVENT_INFO_TYPE_FID 1 91 #define FAN_EVENT_INFO_TYPE_DFID_NAME 2 92 #define FAN_EVENT_INFO_TYPE_DFID 3 93 #define FAN_EVENT_INFO_TYPE_PIDFD 4 94 #define FAN_EVENT_INFO_TYPE_ERROR 5 95 #define FAN_EVENT_INFO_TYPE_OLD_DFID_NAME 10 96 #define FAN_EVENT_INFO_TYPE_NEW_DFID_NAME 12 97 struct fanotify_event_info_header { 98 __u8 info_type; 99 __u8 pad; 100 __u16 len; 101 }; 102 struct fanotify_event_info_fid { 103 struct fanotify_event_info_header hdr; 104 __kernel_fsid_t fsid; 105 unsigned char handle[]; 106 }; 107 struct fanotify_event_info_pidfd { 108 struct fanotify_event_info_header hdr; 109 __s32 pidfd; 110 }; 111 struct fanotify_event_info_error { 112 struct fanotify_event_info_header hdr; 113 __s32 error; 114 __u32 error_count; 115 }; 116 struct fanotify_response { 117 __s32 fd; 118 __u32 response; 119 }; 120 #define FAN_ALLOW 0x01 121 #define FAN_DENY 0x02 122 #define FAN_AUDIT 0x10 123 #define FAN_NOFD - 1 124 #define FAN_NOPIDFD FAN_NOFD 125 #define FAN_EPIDFD - 2 126 #define FAN_EVENT_METADATA_LEN (sizeof(struct fanotify_event_metadata)) 127 #define FAN_EVENT_NEXT(meta,len) ((len) -= (meta)->event_len, (struct fanotify_event_metadata *) (((char *) (meta)) + (meta)->event_len)) 128 #define FAN_EVENT_OK(meta,len) ((long) (len) >= (long) FAN_EVENT_METADATA_LEN && (long) (meta)->event_len >= (long) FAN_EVENT_METADATA_LEN && (long) (meta)->event_len <= (long) (len)) 129 #endif 130