+void iotrace_set_region(ulong start, ulong size)
+{
+ iotrace.region_start = start;
+ iotrace.region_size = size;
+}
+
+void iotrace_reset_region(void)
+{
+ iotrace.region_start = 0;
+ iotrace.region_size = 0;
+}
+
+void iotrace_get_region(ulong *start, ulong *size)
+{
+ *start = iotrace.region_start;
+ *size = iotrace.region_size;
+}
+