Index: kernel/generic/include/ipc/ipc.h
===================================================================
--- kernel/generic/include/ipc/ipc.h	(revision 398d9671b5107efb3b6f884686352163ff7547c4)
+++ kernel/generic/include/ipc/ipc.h	(revision 0d65d76675845d96ddff8e5f335ec3d5c995ca08)
@@ -139,26 +139,38 @@
 #define IPC_M_PHONE_HUNGUP	3
 
-/** Send as_area over IPC 
- * - ARG1 - src as_area base address
- * - ARG2 - size of src as_area (filled automatically by kernel)
+/** Send as_area over IPC.
+ * - ARG1 - source as_area base address
+ * - ARG2 - size of source as_area (filled automatically by kernel)
  * - ARG3 - flags of the as_area being sent
  * 
- * on answer:
+ * on answer, the recipient must set:
  * - ARG1 - dst as_area base adress
  */
 #define IPC_M_AS_AREA_SEND	4	
 
-/** Get as_area over IPC
- * - ARG1 - dst as_area base address
- * - ARG2 - dst as_area size
+/** Receive as_area over IPC.
+ * - ARG1 - destination as_area base address
+ * - ARG2 - destination as_area size
  * - ARG3 - user defined argument
  * 
- * on answer, the server must set:
- *
- * - ARG1 - src as_area base address
+ * on answer, the recipient must set:
+ *
+ * - ARG1 - source as_area base address
  * - ARG2 - flags that will be used for sharing
  */
 #define IPC_M_AS_AREA_RECV	5	
 
+/** Send data to another address space over IPC.
+ * - ARG1 - destination address space virtual address, may be overriden by the
+ *	    recipient
+ * - ARG2 - source address space virtual address
+ * - ARG3 - size of data to be copied, may be overriden by the recipient
+ *
+ * on answer, the recipient must set:
+ *
+ * - ARG1 - final destination address space virtual address
+ * - ARG3 - final size of data to be copied
+ */
+#define IPC_M_DATA_SEND		6
 
 /* Well-known methods */
@@ -243,4 +255,7 @@
 	/** Data passed from/to userspace. */
 	ipc_data_t data;
+
+	/** Buffer for IPC_M_DATA_SEND. */
+	uint8_t *buffer;
 } call_t;