1/******************************************************************************
 2 *
 3 * This file is provided under a dual BSD/GPLv2 license.  When using or
 4 * redistributing this file, you may do so under either license.
 5 *
 6 * GPL LICENSE SUMMARY
 7 *
 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
 9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18 * General Public License for more details.
19 *
20 * The full GNU General Public License is included in this distribution
21 * in the file called COPYING.
22 *
23 * Contact Information:
24 *  Intel Linux Wireless <linuxwifi@intel.com>
25 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *
27 * BSD LICENSE
28 *
29 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
30 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
31 * All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 *
37 *  * Redistributions of source code must retain the above copyright
38 *    notice, this list of conditions and the following disclaimer.
39 *  * Redistributions in binary form must reproduce the above copyright
40 *    notice, this list of conditions and the following disclaimer in
41 *    the documentation and/or other materials provided with the
42 *    distribution.
43 *  * Neither the name Intel Corporation nor the names of its
44 *    contributors may be used to endorse or promote products derived
45 *    from this software without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
48 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
49 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
50 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
51 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
52 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
53 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
54 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
55 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
56 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
57 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
58 *
59 *****************************************************************************/
60
61#define MVM_DEBUGFS_READ_FILE_OPS(name)					\
62static const struct file_operations iwl_dbgfs_##name##_ops = {		\
63	.read = iwl_dbgfs_##name##_read,				\
64	.open = simple_open,						\
65	.llseek = generic_file_llseek,					\
66}
67
68#define MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)		\
69static ssize_t _iwl_dbgfs_##name##_write(struct file *file,		\
70					 const char __user *user_buf,	\
71					 size_t count, loff_t *ppos)	\
72{									\
73	argtype *arg = file->private_data;				\
74	char buf[buflen] = {};						\
75	size_t buf_size = min(count, sizeof(buf) -  1);			\
76									\
77	if (copy_from_user(buf, user_buf, buf_size))			\
78		return -EFAULT;						\
79									\
80	return iwl_dbgfs_##name##_write(arg, buf, buf_size, ppos);	\
81}									\
82
83#define _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, buflen, argtype)		\
84MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)			\
85static const struct file_operations iwl_dbgfs_##name##_ops = {		\
86	.write = _iwl_dbgfs_##name##_write,				\
87	.read = iwl_dbgfs_##name##_read,				\
88	.open = simple_open,						\
89	.llseek = generic_file_llseek,					\
90};
91
92#define _MVM_DEBUGFS_WRITE_FILE_OPS(name, buflen, argtype)		\
93MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)			\
94static const struct file_operations iwl_dbgfs_##name##_ops = {		\
95	.write = _iwl_dbgfs_##name##_write,				\
96	.open = simple_open,						\
97	.llseek = generic_file_llseek,					\
98};