fio: Adding fio engine

hwbench/bench/benchmark.py

@@ -19,6 +19,7 @@ def __init__(
         self.job_number = job_number
         self.enginemodule = enginemodule
         self.parameters = parameters
+        self.parameters.benchmark = self
 
     def get_enginemodule(self) -> EngineModuleBase:
         return self.enginemodule

hwbench/bench/parameters.py

@@ -36,6 +36,12 @@ def __init__(
         self.skip_method = skip_method
         self.sync_start = sync_start
 
+    def get_benchmark(self):
+        return self.benchmark
+
+    def set_benchmark(self, benchmark):
+        self.benchmark = benchmark
+
     def get_pinned_cpu(self):
         if self.pinned_cpu == "none":
             return ""