+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2014 Google, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __IOTRACE_H
*/
u32 iotrace_get_checksum(void);
+/**
+ * iotrace_set_region() - Set whether iotrace is limited to a specific
+ * io region.
+ *
+ * Defines the address and size of the limited region.
+ *
+ * @start: address of the beginning of the region
+ * @size: size of the region in bytes.
+ */
+void iotrace_set_region(ulong start, ulong size);
+
+/**
+ * iotrace_reset_region() - Reset the region limit
+ */
+void iotrace_reset_region(void);
+
+/**
+ * iotrace_get_region() - Get region information
+ *
+ * @start: Returns start address of region
+ * @size: Returns size of region in bytes
+ */
+void iotrace_get_region(ulong *start, ulong *size);
+
/**
* iotrace_set_enabled() - Set whether iotracing is enabled or not
*