1175e0e23SKent Yoder /** 2175e0e23SKent Yoder * debugfs routines supporting the Power 7+ Nest Accelerators driver 3175e0e23SKent Yoder * 4175e0e23SKent Yoder * Copyright (C) 2011-2012 International Business Machines Inc. 5175e0e23SKent Yoder * 6175e0e23SKent Yoder * This program is free software; you can redistribute it and/or modify 7175e0e23SKent Yoder * it under the terms of the GNU General Public License as published by 8175e0e23SKent Yoder * the Free Software Foundation; version 2 only. 9175e0e23SKent Yoder * 10175e0e23SKent Yoder * This program is distributed in the hope that it will be useful, 11175e0e23SKent Yoder * but WITHOUT ANY WARRANTY; without even the implied warranty of 12175e0e23SKent Yoder * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13175e0e23SKent Yoder * GNU General Public License for more details. 14175e0e23SKent Yoder * 15175e0e23SKent Yoder * You should have received a copy of the GNU General Public License 16175e0e23SKent Yoder * along with this program; if not, write to the Free Software 17175e0e23SKent Yoder * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18175e0e23SKent Yoder * 19175e0e23SKent Yoder * Author: Kent Yoder <yoder1@us.ibm.com> 20175e0e23SKent Yoder */ 21175e0e23SKent Yoder 22175e0e23SKent Yoder #include <linux/device.h> 23175e0e23SKent Yoder #include <linux/kobject.h> 24175e0e23SKent Yoder #include <linux/string.h> 25175e0e23SKent Yoder #include <linux/debugfs.h> 26175e0e23SKent Yoder #include <linux/module.h> 27175e0e23SKent Yoder #include <linux/init.h> 28175e0e23SKent Yoder #include <linux/crypto.h> 29175e0e23SKent Yoder #include <crypto/hash.h> 30175e0e23SKent Yoder #include <asm/vio.h> 31175e0e23SKent Yoder 32175e0e23SKent Yoder #include "nx_csbcpb.h" 33175e0e23SKent Yoder #include "nx.h" 34175e0e23SKent Yoder 35175e0e23SKent Yoder #ifdef CONFIG_DEBUG_FS 36175e0e23SKent Yoder 37175e0e23SKent Yoder /* 38175e0e23SKent Yoder * debugfs 39175e0e23SKent Yoder * 40175e0e23SKent Yoder * For documentation on these attributes, please see: 41175e0e23SKent Yoder * 42175e0e23SKent Yoder * Documentation/ABI/testing/debugfs-pfo-nx-crypto 43175e0e23SKent Yoder */ 44175e0e23SKent Yoder 45*576d152cSGreg Kroah-Hartman void nx_debugfs_init(struct nx_crypto_driver *drv) 46175e0e23SKent Yoder { 47*576d152cSGreg Kroah-Hartman struct dentry *root; 48175e0e23SKent Yoder 49*576d152cSGreg Kroah-Hartman root = debugfs_create_dir(NX_NAME, NULL); 50*576d152cSGreg Kroah-Hartman drv->dfs_root = root; 51175e0e23SKent Yoder 52*576d152cSGreg Kroah-Hartman debugfs_create_u32("aes_ops", S_IRUSR | S_IRGRP | S_IROTH, 53*576d152cSGreg Kroah-Hartman root, (u32 *)&drv->stats.aes_ops); 54*576d152cSGreg Kroah-Hartman debugfs_create_u32("sha256_ops", S_IRUSR | S_IRGRP | S_IROTH, 55*576d152cSGreg Kroah-Hartman root, (u32 *)&drv->stats.sha256_ops); 56*576d152cSGreg Kroah-Hartman debugfs_create_u32("sha512_ops", S_IRUSR | S_IRGRP | S_IROTH, 57*576d152cSGreg Kroah-Hartman root, (u32 *)&drv->stats.sha512_ops); 58*576d152cSGreg Kroah-Hartman debugfs_create_u64("aes_bytes", S_IRUSR | S_IRGRP | S_IROTH, 59*576d152cSGreg Kroah-Hartman root, (u64 *)&drv->stats.aes_bytes); 60*576d152cSGreg Kroah-Hartman debugfs_create_u64("sha256_bytes", S_IRUSR | S_IRGRP | S_IROTH, 61*576d152cSGreg Kroah-Hartman root, (u64 *)&drv->stats.sha256_bytes); 62*576d152cSGreg Kroah-Hartman debugfs_create_u64("sha512_bytes", S_IRUSR | S_IRGRP | S_IROTH, 63*576d152cSGreg Kroah-Hartman root, (u64 *)&drv->stats.sha512_bytes); 64*576d152cSGreg Kroah-Hartman debugfs_create_u32("errors", S_IRUSR | S_IRGRP | S_IROTH, 65*576d152cSGreg Kroah-Hartman root, (u32 *)&drv->stats.errors); 66*576d152cSGreg Kroah-Hartman debugfs_create_u32("last_error", S_IRUSR | S_IRGRP | S_IROTH, 67*576d152cSGreg Kroah-Hartman root, (u32 *)&drv->stats.last_error); 68*576d152cSGreg Kroah-Hartman debugfs_create_u32("last_error_pid", S_IRUSR | S_IRGRP | S_IROTH, 69*576d152cSGreg Kroah-Hartman root, (u32 *)&drv->stats.last_error_pid); 70175e0e23SKent Yoder } 71175e0e23SKent Yoder 72175e0e23SKent Yoder void 73175e0e23SKent Yoder nx_debugfs_fini(struct nx_crypto_driver *drv) 74175e0e23SKent Yoder { 75*576d152cSGreg Kroah-Hartman debugfs_remove_recursive(drv->dfs_root); 76175e0e23SKent Yoder } 77175e0e23SKent Yoder 78175e0e23SKent Yoder #endif 79