162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * S/390 common I/O debugfs interface 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright IBM Corp. 2021 662306a36Sopenharmony_ci * Author(s): Vineeth Vijayan <vneethv@linux.ibm.com> 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <linux/debugfs.h> 1062306a36Sopenharmony_ci#include "cio_debug.h" 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cistruct dentry *cio_debugfs_dir; 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci/* Create the debugfs directory for CIO under the arch_debugfs_dir 1562306a36Sopenharmony_ci * i.e /sys/kernel/debug/s390/cio 1662306a36Sopenharmony_ci */ 1762306a36Sopenharmony_cistatic int __init cio_debugfs_init(void) 1862306a36Sopenharmony_ci{ 1962306a36Sopenharmony_ci cio_debugfs_dir = debugfs_create_dir("cio", arch_debugfs_dir); 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci return 0; 2262306a36Sopenharmony_ci} 2362306a36Sopenharmony_cisubsys_initcall(cio_debugfs_init); 24