power: make channel message functions public

[ upstream commit 4d3892d ]

Move the 2 public functions into rte_power_guest_channel.h

Fixes: 210c383 ("power: packet format for vm power management")
Fixes: cd0d554 ("power: vm communication channels in guest")

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>

lib/librte_power/guest_channel.h

@@ -65,22 +65,6 @@ void guest_channel_host_disconnect(unsigned int lcore_id);
  */
 int guest_channel_send_msg(struct channel_packet *pkt, unsigned int 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);
-
 /**
  * Read a message contained in pkt over the Virtio-Serial
  * from the host endpoint.
@@ -103,30 +87,6 @@ int power_guest_channel_read_msg(void *pkt,
 		size_t pkt_len,
 		unsigned int lcore_id);
 
-/**
- * Receive a message contained in pkt over the Virtio-Serial
- * from the host endpoint.
- *
- * @param pkt
- *  Pointer to channel_packet or
- *  channel_packet_freq_list struct.
- *
- * @param pkt_len
- *  Size of expected data packet.
- *
- * @param lcore_id
- *  lcore_id.
- *
- * @return
- *  - 0 on success.
- *  - Negative on error.
- */
-__rte_experimental
-int
-rte_power_guest_channel_receive_msg(void *pkt,
-		size_t pkt_len,
-		unsigned int lcore_id);
-
 
 #ifdef __cplusplus
 }

lib/librte_power/rte_power_guest_channel.h

@@ -116,6 +116,56 @@ struct channel_packet_caps_list {
 	uint8_t num_vcpu;
 };
 
+/**
+ * @internal
+ *
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * 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
+ *  Use channel specific to this lcore_id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+__rte_experimental
+int rte_power_guest_channel_send_msg(struct channel_packet *pkt,
+			unsigned int lcore_id);
+
+/**
+ * @internal
+ *
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Receive a message contained in pkt over the Virtio-Serial
+ * from the host endpoint.
+ *
+ * @param pkt
+ *  Pointer to channel_packet or
+ *  channel_packet_freq_list struct.
+ *
+ * @param pkt_len
+ *  Size of expected data packet.
+ *
+ * @param lcore_id
+ *  Use channel specific to this lcore_id.
+ *
+ * @return
+ *  - 0 on success.
+ *  - Negative on error.
+ */
+__rte_experimental
+int rte_power_guest_channel_receive_msg(void *pkt,
+		size_t pkt_len,
+		unsigned int lcore_id);
+
 
 #ifdef __cplusplus
 }

lib/librte_power/version.map

@@ -34,4 +34,8 @@ EXPERIMENTAL {
 	rte_power_guest_channel_receive_msg;
 	rte_power_poll_stat_fetch;
 	rte_power_poll_stat_update;
+
+	# added in 21.02
+	rte_power_guest_channel_receive_msg;
+	rte_power_guest_channel_send_msg;
 };