xref: /linux/drivers/net/wireless/intel/iwlwifi/iwl-debug.c (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
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) 2007 - 2011 Intel Corporation. All rights reserved.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of version 2 of the GNU General Public License as
12  * published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22  * USA
23  *
24  * The full GNU General Public License is included in this distribution
25  * in the file called COPYING.
26  *
27  * Contact Information:
28  *  Intel Linux Wireless <linuxwifi@intel.com>
29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30  *
31  * BSD LICENSE
32  *
33  * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
34  * All rights reserved.
35  *
36  * Redistribution and use in source and binary forms, with or without
37  * modification, are permitted provided that the following conditions
38  * are met:
39  *
40  *  * Redistributions of source code must retain the above copyright
41  *    notice, this list of conditions and the following disclaimer.
42  *  * Redistributions in binary form must reproduce the above copyright
43  *    notice, this list of conditions and the following disclaimer in
44  *    the documentation and/or other materials provided with the
45  *    distribution.
46  *  * Neither the name Intel Corporation nor the names of its
47  *    contributors may be used to endorse or promote products derived
48  *    from this software without specific prior written permission.
49  *
50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61  *
62  *****************************************************************************/
63 
64 #include <linux/device.h>
65 #include <linux/interrupt.h>
66 #include <linux/export.h>
67 #include "iwl-drv.h"
68 #include "iwl-debug.h"
69 #include "iwl-devtrace.h"
70 
71 #define __iwl_fn(fn)						\
72 void __iwl_ ##fn(struct device *dev, const char *fmt, ...)	\
73 {								\
74 	struct va_format vaf = {				\
75 		.fmt = fmt,					\
76 	};							\
77 	va_list args;						\
78 								\
79 	va_start(args, fmt);					\
80 	vaf.va = &args;						\
81 	dev_ ##fn(dev, "%pV", &vaf);				\
82 	trace_iwlwifi_ ##fn(&vaf);				\
83 	va_end(args);						\
84 }
85 
86 __iwl_fn(warn)
87 IWL_EXPORT_SYMBOL(__iwl_warn);
88 __iwl_fn(info)
89 IWL_EXPORT_SYMBOL(__iwl_info);
90 __iwl_fn(crit)
91 IWL_EXPORT_SYMBOL(__iwl_crit);
92 
93 void __iwl_err(struct device *dev, bool rfkill_prefix, bool trace_only,
94 		const char *fmt, ...)
95 {
96 	struct va_format vaf = {
97 		.fmt = fmt,
98 	};
99 	va_list args;
100 
101 	va_start(args, fmt);
102 	vaf.va = &args;
103 	if (!trace_only) {
104 		if (rfkill_prefix)
105 			dev_err(dev, "(RFKILL) %pV", &vaf);
106 		else
107 			dev_err(dev, "%pV", &vaf);
108 	}
109 	trace_iwlwifi_err(&vaf);
110 	va_end(args);
111 }
112 IWL_EXPORT_SYMBOL(__iwl_err);
113 
114 #if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING)
115 void __iwl_dbg(struct device *dev,
116 	       u32 level, bool limit, const char *function,
117 	       const char *fmt, ...)
118 {
119 	struct va_format vaf = {
120 		.fmt = fmt,
121 	};
122 	va_list args;
123 
124 	va_start(args, fmt);
125 	vaf.va = &args;
126 #ifdef CONFIG_IWLWIFI_DEBUG
127 	if (iwl_have_debug_level(level) &&
128 	    (!limit || net_ratelimit()))
129 		dev_printk(KERN_DEBUG, dev, "%c %s %pV",
130 			   in_interrupt() ? 'I' : 'U', function, &vaf);
131 #endif
132 	trace_iwlwifi_dbg(level, in_interrupt(), function, &vaf);
133 	va_end(args);
134 }
135 IWL_EXPORT_SYMBOL(__iwl_dbg);
136 #endif
137