diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h
index 325ff83b12fe..e7ff52b8aba5 100644
--- a/fs/smb/common/smb2pdu.h
+++ b/fs/smb/common/smb2pdu.h
@@ -1243,6 +1243,30 @@ struct create_mxac_req {
 	__le64 Timestamp;
 } __packed;
 
+/*
+ * AAPL flags. See Samba libcli/smb/smb2_create_ctx.h
+ */
+
+/* "AAPL" Context Command Codes */
+#define SMB2_CRTCTX_AAPL_SERVER_QUERY 1
+#define SMB2_CRTCTX_AAPL_RESOLVE_ID   2
+
+/* "AAPL" Server Query request/response bitmap */
+#define SMB2_CRTCTX_AAPL_SERVER_CAPS 1
+#define SMB2_CRTCTX_AAPL_VOLUME_CAPS 2
+#define SMB2_CRTCTX_AAPL_MODEL_INFO  4
+
+/* "AAPL" Client/Server Capabilities bitmap */
+#define SMB2_CRTCTX_AAPL_SUPPORTS_READ_DIR_ATTR 1
+#define SMB2_CRTCTX_AAPL_SUPPORTS_OSX_COPYFILE  2
+#define SMB2_CRTCTX_AAPL_UNIX_BASED             4
+#define SMB2_CRTCTX_AAPL_SUPPORTS_NFS_ACE       8
+
+/* "AAPL" Volume Capabilities bitmap */
+#define SMB2_CRTCTX_AAPL_SUPPORT_RESOLVE_ID 1
+#define SMB2_CRTCTX_AAPL_CASE_SENSITIVE     2
+#define SMB2_CRTCTX_AAPL_FULL_SYNC          4
+
 /*
  * Flags
  * See MS-SMB2 2.2.13.2.11