Enable RDC topology feature

1.Add topology APIs
2.Add topology example for topology API usage

Change-Id: Ib79c06d0bac85119672f194ba685ebf25029979c

include/rdc_lib/impl/RdcEmbeddedHandler.h

@@ -32,6 +32,7 @@ THE SOFTWARE.
 #include "rdc_lib/RdcModuleMgr.h"
 #include "rdc_lib/RdcNotification.h"
 #include "rdc_lib/RdcPolicy.h"
+#include "rdc_lib/RdcTopologyLink.h"
 #include "rdc_lib/RdcWatchTable.h"
 
 namespace amd {
@@ -52,7 +53,8 @@ class RdcEmbeddedHandler final : public RdcHandler {
                                   uint32_t* count) override;
   rdc_status_t rdc_device_get_attributes(uint32_t gpu_index,
                                          rdc_device_attributes_t* p_rdc_attr) override;
-  rdc_status_t rdc_device_get_component_version(rdc_component_t component, rdc_component_version_t* p_rdc_compv) override;
+  rdc_status_t rdc_device_get_component_version(rdc_component_t component,
+                                                rdc_component_version_t* p_rdc_compv) override;
 
   // Group API
   rdc_status_t rdc_group_gpu_create(rdc_group_type_t type, const char* group_name,
@@ -113,6 +115,9 @@ class RdcEmbeddedHandler final : public RdcHandler {
   rdc_status_t rdc_health_get(rdc_gpu_group_t group_id, unsigned int* components) override;
   rdc_status_t rdc_health_check(rdc_gpu_group_t group_id, rdc_health_response_t *response) override;
   rdc_status_t rdc_health_clear(rdc_gpu_group_t group_id) override;
+  rdc_status_t rdc_device_topology_get(uint32_t gpu_index, rdc_device_topology_t* results) override;
+  
+  rdc_status_t rdc_link_status_get(rdc_link_status_t* results) override;
 
   explicit RdcEmbeddedHandler(rdc_operation_mode_t op_mode);
   ~RdcEmbeddedHandler() final;
@@ -128,6 +133,7 @@ class RdcEmbeddedHandler final : public RdcHandler {
   RdcMetricsUpdaterPtr metrics_updater_;
   RdcPolicyPtr policy_;
   std::future<void> updater_;
+  RdcTopologyLinkPtr topologylink_;
 };
 
 }  // namespace rdc