Add warnings for corner case runtime options

Author: preetha-intel

onnxruntime/core/providers/openvino/openvino_provider_factory.cc

@@ -64,8 +64,33 @@ struct OpenVINO_Provider : Provider {
 
   std::shared_ptr<IExecutionProviderFactory> CreateExecutionProviderFactory(const void* void_params) override {
     auto& params = *reinterpret_cast<const OrtOpenVINOProviderOptions*>(void_params);
+    std::string device_type = params.device_type;
+    int num_of_threads = 1;
+    std::set<std::string> ov_supported_device_types = {"CPU_FP32", "CPU_FP16", "GPU_FP32",
+                                                         "GPU.0_FP32", "GPU.1_FP32", "GPU_FP16",
+                                                         "GPU.0_FP16", "GPU.1_FP16",
+                                                         "NPU_FP16", "NPU_U8"};
+
+      if (!((ov_supported_device_types.find(device_type) != ov_supported_device_types.end()) ||
+            (device_type.find("HETERO:") == 0) || (device_type.find("MULTI:") == 0) || (device_type.find("AUTO:") == 0))) {
+        LOGS_DEFAULT(ERROR) <<
+          "[ERROR] [OpenVINO] You have selcted wrong configuration value for the key 'device_type'.\n "
+          "Select from 'CPU_FP32', 'CPU_FP16', 'GPU_FP32', 'GPU.0_FP32', 'GPU.1_FP32', 'GPU_FP16', "
+          "'GPU.0_FP16', 'GPU.1_FP16', 'NPU_FP16', 'NPU_U8' or from"
+          " HETERO/MULTI/AUTO options available. \n";
+      }
+
+    num_of_threads = params.num_of_threads;
+    if (num_of_threads <= 0) {
+      num_of_threads = 1;
+      LOGS_DEFAULT(WARNING) << "[OpenVINO-EP] The value for the key 'num_threads' should be in the positive range.\n "
+                        << "Executing with num_threads=1";
+    }
+
+
+
     return std::make_shared<OpenVINOProviderFactory>(params.device_type, params.enable_vpu_fast_compile,
-                                                     params.device_id, params.num_of_threads,
+                                                     params.device_id, num_of_threads,
                                                      params.cache_dir,
                                                      params.context, params.enable_opencl_throttling,
                                                      params.enable_dynamic_shapes);