summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h
blob: f7dff7612c9c58e4ffb84f7aaa427245f5c77ad0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/******************************************************************************
 *
 * 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) 2008 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
 * Copyright(c) 2015        Intel Deutschland 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;
 *
 * The full GNU General Public License is included in this distribution
 * in the file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <linuxwifi@intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
 * Copyright(c) 2015        Intel Deutschland 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.
 *
 *****************************************************************************/

#ifndef __mvm_fw_dbg_h__
#define __mvm_fw_dbg_h__
#include "iwl-fw-file.h"
#include "iwl-fw-error-dump.h"
#include "mvm.h"

void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
				const struct iwl_mvm_dump_desc *desc,
				const struct iwl_fw_dbg_trigger_tlv *trigger);
int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
			   const char *str, size_t len,
			   const struct iwl_fw_dbg_trigger_tlv *trigger);
int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
				struct iwl_fw_dbg_trigger_tlv *trigger,
				const char *fmt, ...) __printf(3, 4);
int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);

#define iwl_fw_dbg_trigger_enabled(fw, id) ({			\
	void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)];	\
	unlikely(__dbg_trigger);				\
})

static inline struct iwl_fw_dbg_trigger_tlv*
_iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id)
{
	return fw->dbg_trigger_tlv[id];
}

#define iwl_fw_dbg_get_trigger(fw, id) ({			\
	BUILD_BUG_ON(!__builtin_constant_p(id));		\
	BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX);		\
	_iwl_fw_dbg_get_trigger((fw), (id));			\
})

static inline bool
iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
			     struct ieee80211_vif *vif)
{
	u32 trig_vif = le32_to_cpu(trig->vif_type);

	return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
}

static inline bool
iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
				   struct iwl_fw_dbg_trigger_tlv *trig)
{
	return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
		(mvm->fw_dbg_conf == FW_DBG_INVALID ||
		(BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
}

static inline bool
iwl_fw_dbg_no_trig_window(struct iwl_mvm *mvm,
			  struct iwl_fw_dbg_trigger_tlv *trig)
{
	unsigned long wind_jiff =
		msecs_to_jiffies(le16_to_cpu(trig->trig_dis_ms));
	u32 id = le32_to_cpu(trig->id);

	/* If this is the first event checked, jump to update start ts */
	if (mvm->fw_dbg_non_collect_ts_start[id] &&
	    (time_after(mvm->fw_dbg_non_collect_ts_start[id] + wind_jiff,
			jiffies)))
		return true;

	mvm->fw_dbg_non_collect_ts_start[id] = jiffies;
	return false;
}

static inline bool
iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
			      struct ieee80211_vif *vif,
			      struct iwl_fw_dbg_trigger_tlv *trig)
{
	if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
		return false;

	if (iwl_fw_dbg_no_trig_window(mvm, trig)) {
		IWL_WARN(mvm, "Trigger %d occurred while no-collect window.\n",
			 trig->id);
		return false;
	}

	return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
}

static inline void
_iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
				struct ieee80211_vif *vif,
				struct iwl_fw_dbg_trigger_tlv *trigger)
{
	if (!trigger)
		return;

	if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
		return;

	iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
}

#define iwl_fw_dbg_trigger_simple_stop(mvm, vif, trig)	\
	_iwl_fw_dbg_trigger_simple_stop((mvm), (vif),	\
					iwl_fw_dbg_get_trigger((mvm)->fw,\
							       (trig)))

#endif  /* __mvm_fw_dbg_h__ */