diff --git a/include/zone_config.h b/include/zone_config.h
index c91d5a9..86ba3a8 100644
--- a/include/zone_config.h
+++ b/include/zone_config.h
@@ -45,6 +45,9 @@ struct hv_pci_dev_config {
     __u8 bus;
     __u8 device;
     __u8 function;
+    __u8 v_bus;
+    __u8 v_device;
+    __u8 v_function;
     __u32 dev_type;
 };
 
diff --git a/tools/hvisor.c b/tools/hvisor.c
index bfe241c..4128555 100644
--- a/tools/hvisor.c
+++ b/tools/hvisor.c
@@ -621,6 +621,12 @@ static int parse_pci_config(cJSON *root, zone_config_t *config) {
             SAFE_CJSON_GET_OBJECT_ITEM(dev_config_json, "device");
         cJSON *dev_function_json =
             SAFE_CJSON_GET_OBJECT_ITEM(dev_config_json, "function");
+        cJSON *dev_vbus_json =
+            SAFE_CJSON_GET_OBJECT_ITEM(dev_config_json, "v_bus");
+        cJSON *dev_vdevice_json =
+            SAFE_CJSON_GET_OBJECT_ITEM(dev_config_json, "v_device");
+        cJSON *dev_vfunction_json =
+            SAFE_CJSON_GET_OBJECT_ITEM(dev_config_json, "v_function");
         cJSON *dev_type_json =
             SAFE_CJSON_GET_OBJECT_ITEM(dev_config_json, "dev_type");
 
@@ -629,6 +635,10 @@ static int parse_pci_config(cJSON *root, zone_config_t *config) {
             parse_json_linux_u8(dev_device_json, &dev_config->device) != 0 ||
             parse_json_linux_u8(dev_function_json, &dev_config->function) !=
                 0 ||
+            parse_json_linux_u8(dev_vbus_json, &dev_config->v_bus) != 0 ||
+            parse_json_linux_u8(dev_vdevice_json, &dev_config->v_device) != 0 ||
+            parse_json_linux_u8(dev_vfunction_json, &dev_config->v_function) !=
+                0 ||
             parse_json_linux_u32(dev_type_json, &dev_config->dev_type) != 0) {
             log_error("Failed to parse pci device config\n");
             goto err_out;