power: add send channel msg function to map file

Adding new wrapper function to existing private (but unused 'till now)
function with an rte_power_ prefix.

The plan is to clean up all the header files in the next release so
that only the intended public functions are in the map file and only
the relevant headers have the rte_ prefix so that only they are
included in the documentation.

Signed-off-by: David Hunt <david.hunt@intel.com>
Reviewed-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

lib/librte_power/guest_channel.c

@@ -148,6 +148,13 @@ guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id)
 	return 0;
 }
 
+int rte_power_guest_channel_send_msg(struct channel_packet *pkt,
+			unsigned int lcore_id)
+{
+	return guest_channel_send_msg(pkt, lcore_id);
+}
+
+
 void
 guest_channel_host_disconnect(unsigned lcore_id)
 {

lib/librte_power/guest_channel.h

@@ -81,6 +81,21 @@ void guest_channel_host_disconnect(unsigned lcore_id);
  */
 int guest_channel_send_msg(struct channel_packet *pkt, unsigned lcore_id);
 
+/**
+ * Send a message contained in pkt over the Virtio-Serial to the host endpoint.
+ *
+ * @param pkt
+ *  Pointer to a populated struct channel_packet
+ *
+ * @param lcore_id
+ *  lcore_id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+int rte_power_guest_channel_send_msg(struct channel_packet *pkt,
+			unsigned int lcore_id);
 
 #ifdef __cplusplus
 }

lib/librte_power/rte_power_version.map

@@ -20,6 +20,7 @@ DPDK_2.0 {
 DPDK_17.11 {
 	global:
 
+	rte_power_guest_channel_send_msg;
 	rte_power_freq_disable_turbo;
 	rte_power_freq_enable_turbo;
 	rte_power_turbo_status;