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