X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Fvmbus%2Frte_bus_vmbus.h;h=2839fef5b27a26f67cbdd9ab99b22b005117d7f3;hb=95f3e8846e881290a6f116a605b2c90e46af2016;hp=0100f80ff9a0989dcc1dbb631921f6f7376e33fd;hpb=831dba47bd365b8a539dfb51fffdd01f8a436f6c;p=dpdk.git

diff --git a/drivers/bus/vmbus/rte_bus_vmbus.h b/drivers/bus/vmbus/rte_bus_vmbus.h
index 0100f80ff9..2839fef5b2 100644
--- a/drivers/bus/vmbus/rte_bus_vmbus.h
+++ b/drivers/bus/vmbus/rte_bus_vmbus.h
@@ -337,12 +337,23 @@ int rte_vmbus_chan_recv(struct vmbus_channel *chan,
  * @param len
  *	Pointer to size of receive buffer (in/out)
  * @return
- *   On success, returns 0
+ *   On success, returns number of bytes read.
  *   On failure, returns negative errno.
  */
 int rte_vmbus_chan_recv_raw(struct vmbus_channel *chan,
 			    void *data, uint32_t *len);
 
+/**
+ * Notify host of bytes read (after recv_raw)
+ * Signals host if required.
+ *
+ * @param channel
+ *	Pointer to vmbus_channel structure.
+ * @param bytes_read
+ *	Number of bytes read since last signal
+ */
+void rte_vmbus_chan_signal_read(struct vmbus_channel *chan, uint32_t bytes_read);
+
 /**
  * Determine sub channel index of the given channel
  *
@@ -353,6 +364,21 @@ int rte_vmbus_chan_recv_raw(struct vmbus_channel *chan,
  */
 uint16_t rte_vmbus_sub_channel_index(const struct vmbus_channel *chan);
 
+/**
+ * Set the host monitor latency hint
+ *
+ * @param dev
+ *    VMBUS device
+ * @param chan
+ *	Pointer to vmbus_channel structure.
+ * @param latency
+ *	Approximate wait period between hypervisor examinations of
+ *	the trigger page (in nanoseconds).
+ */
+void rte_vmbus_set_latency(const struct rte_vmbus_device *dev,
+			   const struct vmbus_channel *chan,
+			   uint32_t latency);
+
 /**
  * Register a VMBUS driver.
  *