-/* Request and reply types */
-#define AUDIT_GET 1000 /* Get status */
-#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
-#define AUDIT_LIST 1002 /* List filtering rules */
-#define AUDIT_ADD 1003 /* Add filtering rule */
-#define AUDIT_DEL 1004 /* Delete filtering rule */
-#define AUDIT_USER 1005 /* Send a message from user-space */
-#define AUDIT_LOGIN 1006 /* Define the login id and informaiton */
-#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
+/* The netlink messages for the audit system is divided into blocks:
+ * 1000 - 1099 are for commanding the audit system
+ * 1100 - 1199 user space trusted application messages
+ * 1200 - 1299 messages internal to the audit daemon
+ * 1300 - 1399 audit event messages
+ * 1400 - 1499 SE Linux use
+ * 1500 - 1999 future use
+ * 2000 is for otherwise unclassified kernel audit messages
+ *
+ * Messages from 1000-1199 are bi-directional. 1200-1299 are exclusively user
+ * space. Anything over that is kernel --> user space communication.
+ */
+#define AUDIT_GET 1000 /* Get status */
+#define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
+#define AUDIT_LIST 1002 /* List syscall filtering rules */
+#define AUDIT_ADD 1003 /* Add syscall filtering rule */
+#define AUDIT_DEL 1004 /* Delete syscall filtering rule */
+#define AUDIT_USER 1005 /* Message from userspace -- deprecated */
+#define AUDIT_LOGIN 1006 /* Define the login id and information */
+#define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */
+#define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */
+#define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */
+#define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */
+
+#define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */
+#define AUDIT_USER_AVC 1107 /* We filter this differently */
+#define AUDIT_LAST_USER_MSG 1199
+
+#define AUDIT_DAEMON_START 1200 /* Daemon startup record */
+#define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */
+#define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */
+#define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */
+
+#define AUDIT_SYSCALL 1300 /* Syscall event */
+#define AUDIT_FS_WATCH 1301 /* Filesystem watch event */
+#define AUDIT_PATH 1302 /* Filename path information */
+#define AUDIT_IPC 1303 /* IPC record */
+#define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */
+#define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */
+#define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */
+#define AUDIT_CWD 1307 /* Current working directory */
+
+#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
+#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
+#define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */
+
+#define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */