drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h - vendor/opensource/backports - Git at Google

 /******************************************************************************
  *
  * 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__ */
	/******************************************************************************
	*
	* 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__ */