Index: uspace/lib/c/include/device/hw_res.h
===================================================================
--- uspace/lib/c/include/device/hw_res.h	(revision 1bebadeef8c0e20e4858c16afc1cb5411a16aeaa)
+++ uspace/lib/c/include/device/hw_res.h	(revision fa91c0f9439c4e8812fbfb112e834da880e5fd06)
@@ -53,4 +53,5 @@
 	HW_RES_ENABLE_INTERRUPT,
 	HW_RES_DMA_CHANNEL_SETUP,
+	HW_RES_DMA_CHANNEL_REMAIN,
 } hw_res_method_t;
 
@@ -116,4 +117,5 @@
 extern int hw_res_dma_channel_setup(async_sess_t *, unsigned int, uint32_t,
     uint16_t, uint8_t);
+extern int hw_res_dma_channel_remain(async_sess_t *, unsigned);
 
 #endif