| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_FANOTIFY_H |
| 3 | #define _LINUX_FANOTIFY_H |
| 4 | |
| 5 | #include <uapi/linux/fanotify.h> |
| 6 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 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 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame] | 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 | \ |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 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 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 85 | #endif /* _LINUX_FANOTIFY_H */ |