X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_power%2Fguest_channel.h;h=e15db46fc78c5a8e3428b12d7237c5a642ceee65;hb=841dfdd06d37cb00a49a56a180c287efc021a842;hp=61e142289520d02de588b52e70729f1a8429349d;hpb=9dc843eb273ba80c002a963187c42001d4a663f2;p=dpdk.git

diff --git a/lib/librte_power/guest_channel.h b/lib/librte_power/guest_channel.h
index 61e1422895..e15db46fc7 100644
--- a/lib/librte_power/guest_channel.h
+++ b/lib/librte_power/guest_channel.h
@@ -10,6 +10,18 @@ extern "C" {
 
 #include <channel_commands.h>
 
+/**
+ * Check if any Virtio-Serial VM end-points exist in path.
+ *
+ * @param path
+ *  The path to the serial device on the filesystem
+ *
+ * @return
+ *  - 1 if at least one potential end-point found.
+ *  - 0 if no end-points found.
+ */
+int guest_channel_host_check_exists(const char *path);
+
 /**
  * Connect to the Virtio-Serial VM end-point located in path. It is
  * thread safe for unique lcore_ids. This function must be only called once from
@@ -17,6 +29,7 @@ extern "C" {
  *
  * @param path
  *  The path to the serial device on the filesystem
+ *
  * @param lcore_id
  *  lcore_id.
  *
@@ -73,7 +86,11 @@ int rte_power_guest_channel_send_msg(struct channel_packet *pkt,
  * from the host endpoint.
  *
  * @param pkt
- *  Pointer to a populated struct channel_packet
+ *  Pointer to channel_packet or
+ *  channel_packet_freq_list struct.
+ *
+ * @param pkt_len
+ *  Size of expected data packet.
  *
  * @param lcore_id
  *  lcore_id.
@@ -82,7 +99,8 @@ int rte_power_guest_channel_send_msg(struct channel_packet *pkt,
  *  - 0 on success.
  *  - Negative on error.
  */
-int power_guest_channel_read_msg(struct channel_packet *pkt,
+int power_guest_channel_read_msg(void *pkt,
+		size_t pkt_len,
 		unsigned int lcore_id);
 
 /**
@@ -90,7 +108,11 @@ int power_guest_channel_read_msg(struct channel_packet *pkt,
  * from the host endpoint.
  *
  * @param pkt
- *  Pointer to a populated struct channel_packet
+ *  Pointer to channel_packet or
+ *  channel_packet_freq_list struct.
+ *
+ * @param pkt_len
+ *  Size of expected data packet.
  *
  * @param lcore_id
  *  lcore_id.
@@ -101,8 +123,10 @@ int power_guest_channel_read_msg(struct channel_packet *pkt,
  */
 __rte_experimental
 int
-rte_power_guest_channel_receive_msg(struct channel_packet *pkt,
-			unsigned int lcore_id);
+rte_power_guest_channel_receive_msg(void *pkt,
+		size_t pkt_len,
+		unsigned int lcore_id);
+
 
 #ifdef __cplusplus
 }