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kernel/linux-rt-4.4.41/drivers/net/wireless/iwlwifi/mvm/debugfs.h 4.32 KB
5113f6f70   김현기   kernel add
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  /******************************************************************************
   *
   * This file is provided under a dual BSD/GPLv2 license.  When using or
   * redistributing this file, you may do so under either license.
   *
   * GPL LICENSE SUMMARY
   *
   * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of version 2 of the GNU General Public License as
   * published by the Free Software Foundation.
   *
   * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
   * USA
   *
   * The full GNU General Public License is included in this distribution
   * in the file called COPYING.
   *
   * Contact Information:
   *  Intel Linux Wireless <ilw@linux.intel.com>
   * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   *
   * BSD LICENSE
   *
   * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   *  * Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *  * Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *  * Neither the name Intel Corporation nor the names of its
   *    contributors may be used to endorse or promote products derived
   *    from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   *****************************************************************************/
  
  #define MVM_DEBUGFS_READ_FILE_OPS(name)					\
  static const struct file_operations iwl_dbgfs_##name##_ops = {		\
  	.read = iwl_dbgfs_##name##_read,				\
  	.open = simple_open,						\
  	.llseek = generic_file_llseek,					\
  }
  
  #define MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)		\
  static ssize_t _iwl_dbgfs_##name##_write(struct file *file,		\
  					 const char __user *user_buf,	\
  					 size_t count, loff_t *ppos)	\
  {									\
  	argtype *arg = file->private_data;				\
  	char buf[buflen] = {};						\
  	size_t buf_size = min(count, sizeof(buf) -  1);			\
  									\
  	if (copy_from_user(buf, user_buf, buf_size))			\
  		return -EFAULT;						\
  									\
  	return iwl_dbgfs_##name##_write(arg, buf, buf_size, ppos);	\
  }									\
  
  #define _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, buflen, argtype)		\
  MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)			\
  static const struct file_operations iwl_dbgfs_##name##_ops = {		\
  	.write = _iwl_dbgfs_##name##_write,				\
  	.read = iwl_dbgfs_##name##_read,				\
  	.open = simple_open,						\
  	.llseek = generic_file_llseek,					\
  };
  
  #define _MVM_DEBUGFS_WRITE_FILE_OPS(name, buflen, argtype)		\
  MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)			\
  static const struct file_operations iwl_dbgfs_##name##_ops = {		\
  	.write = _iwl_dbgfs_##name##_write,				\
  	.open = simple_open,						\
  	.llseek = generic_file_llseek,					\
  };