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 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
27 *
28 * Contact Information:
29 *  Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 *  * Redistributions of source code must retain the above copyright
43 *    notice, this list of conditions and the following disclaimer.
44 *  * Redistributions in binary form must reproduce the above copyright
45 *    notice, this list of conditions and the following disclaimer in
46 *    the documentation and/or other materials provided with the
47 *    distribution.
48 *  * Neither the name Intel Corporation nor the names of its
49 *    contributors may be used to endorse or promote products derived
50 *    from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65
66#define MVM_DEBUGFS_READ_FILE_OPS(name)					\
67static const struct file_operations iwl_dbgfs_##name##_ops = {		\
68	.read = iwl_dbgfs_##name##_read,				\
69	.open = simple_open,						\
70	.llseek = generic_file_llseek,					\
71}
72
73#define MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)		\
74static ssize_t _iwl_dbgfs_##name##_write(struct file *file,		\
75					 const char __user *user_buf,	\
76					 size_t count, loff_t *ppos)	\
77{									\
78	argtype *arg = file->private_data;				\
79	char buf[buflen] = {};						\
80	size_t buf_size = min(count, sizeof(buf) -  1);			\
81									\
82	if (copy_from_user(buf, user_buf, buf_size))			\
83		return -EFAULT;						\
84									\
85	return iwl_dbgfs_##name##_write(arg, buf, buf_size, ppos);	\
86}									\
87
88#define _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, buflen, argtype)		\
89MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)			\
90static const struct file_operations iwl_dbgfs_##name##_ops = {		\
91	.write = _iwl_dbgfs_##name##_write,				\
92	.read = iwl_dbgfs_##name##_read,				\
93	.open = simple_open,						\
94	.llseek = generic_file_llseek,					\
95};
96
97#define _MVM_DEBUGFS_WRITE_FILE_OPS(name, buflen, argtype)		\
98MVM_DEBUGFS_WRITE_WRAPPER(name, buflen, argtype)			\
99static const struct file_operations iwl_dbgfs_##name##_ops = {		\
100	.write = _iwl_dbgfs_##name##_write,				\
101	.open = simple_open,						\
102	.llseek = generic_file_llseek,					\
103};
104