text: /**
   * debugfs routines supporting the Power 7+ Nest Accelerators driver
   *
   * Copyright (C) 2011-2012 International Business Machines Inc.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; version 2 only.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   *
   * Author: Kent Yoder <yoder1@us.ibm.com>
   */
  
  #include <linux/device.h>
  #include <linux/kobject.h>
  #include <linux/string.h>
  #include <linux/debugfs.h>
  #include <linux/module.h>
  #include <linux/init.h>
  #include <linux/crypto.h>
  #include <crypto/hash.h>
  #include <asm/vio.h>
  
  #include "nx_csbcpb.h"
  #include "nx.h"
  
  #ifdef CONFIG_DEBUG_FS
  
  /*
   * debugfs
   *
   * For documentation on these attributes, please see:
   *
   * Documentation/ABI/testing/debugfs-pfo-nx-crypto
   */
  
  int nx_debugfs_init(struct nx_crypto_driver *drv)
  {
  	struct nx_debugfs *dfs = &drv->dfs;
  
  	dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL);
  
  	dfs->dfs_aes_ops =
  		debugfs_create_u32("aes_ops",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root, (u32 *)&drv->stats.aes_ops);
  	dfs->dfs_sha256_ops =
  		debugfs_create_u32("sha256_ops",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root,
  				   (u32 *)&drv->stats.sha256_ops);
  	dfs->dfs_sha512_ops =
  		debugfs_create_u32("sha512_ops",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root,
  				   (u32 *)&drv->stats.sha512_ops);
  	dfs->dfs_aes_bytes =
  		debugfs_create_u64("aes_bytes",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root,
  				   (u64 *)&drv->stats.aes_bytes);
  	dfs->dfs_sha256_bytes =
  		debugfs_create_u64("sha256_bytes",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root,
  				   (u64 *)&drv->stats.sha256_bytes);
  	dfs->dfs_sha512_bytes =
  		debugfs_create_u64("sha512_bytes",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root,
  				   (u64 *)&drv->stats.sha512_bytes);
  	dfs->dfs_errors =
  		debugfs_create_u32("errors",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root, (u32 *)&drv->stats.errors);
  	dfs->dfs_last_error =
  		debugfs_create_u32("last_error",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root,
  				   (u32 *)&drv->stats.last_error);
  	dfs->dfs_last_error_pid =
  		debugfs_create_u32("last_error_pid",
  				   S_IRUSR | S_IRGRP | S_IROTH,
  				   dfs->dfs_root,
  				   (u32 *)&drv->stats.last_error_pid);
  	return 0;
  }
  
  void
  nx_debugfs_fini(struct nx_crypto_driver *drv)
  {
  	debugfs_remove_recursive(drv->dfs.dfs_root);
  }
  
  #endif
  