Add the RdcSmiDiagnostic module

Provides a RdcSmiDiagnostic module, which will call rocm_smi_lib.

It will support following diagnostics: Get GPU Topology, Check GPU
parameters and check processes running on the GPUs.

The grpc client and server side diagnostics function is added.

The diag module is added to the rdci.

Change-Id: I10a0cf3c20556a61373ab686f82cae75acaa40dd

example/diagnostic_example.cc

@@ -145,6 +145,23 @@ int main(int, char **) {
             }
         }
     }
+
+    // (5) run one test case
+    std::cout <<" ============== Run individual diagnostic test ===========\n";
+    rdc_diag_test_result_t test_result;
+    result = rdc_test_case_run(rdc_handle, group_id,
+                RDC_DIAG_COMPUTE_PROCESS, &test_result);
+
+    if (result != RDC_ST_OK) {
+        std::cout << "Error run RDC_DIAG_COMPUTE_PROCESS diagnostic. Return: "
+            << rdc_status_string(result);
+        goto cleanup;
+    }
+
+    std::cout << std::setw(22) << std::left
+            << get_test_name(RDC_DIAG_COMPUTE_PROCESS) + ":"
+            << rdc_diagnostic_result_string(test_result.status) << "\n";
+
     // Cleanup consists of shutting down RDC.
     cleanup:
     std::cout << "Cleaning up.\n";