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/******************************************************************************
*
* 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 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
*
* 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 - 2017 Intel Deutschland GmbH
* Copyright(c) 2018 Intel Corporation
* 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 __iwl_fw_dbg_h__
#define __iwl_fw_dbg_h__
#include <linux/workqueue.h>
#include <net/cfg80211.h>
#include "runtime.h"
#include "iwl-prph.h"
#include "iwl-io.h"
#include "file.h"
#include "error-dump.h"
/**
* struct iwl_fw_dump_desc - describes the dump
* @len: length of trig_desc->data
* @trig_desc: the description of the dump
*/
struct iwl_fw_dump_desc {
size_t len;
/* must be last */
struct iwl_fw_error_dump_trigger_desc trig_desc;
};
extern const struct iwl_fw_dump_desc iwl_dump_desc_assert;
static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt)
{
if (fwrt->dump.desc != &iwl_dump_desc_assert)
kfree(fwrt->dump.desc);
fwrt->dump.desc = NULL;
fwrt->dump.trig = NULL;
}
void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt);
int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
const struct iwl_fw_dump_desc *desc,
const struct iwl_fw_dbg_trigger_tlv *trigger);
int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_dbg_trigger trig,
const char *str, size_t len,
const struct iwl_fw_dbg_trigger_tlv *trigger);
int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dbg_trigger_tlv *trigger,
const char *fmt, ...) __printf(3, 4);
int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, 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 wireless_dev *wdev)
{
u32 trig_vif = le32_to_cpu(trig->vif_type);
return trig_vif == IWL_FW_DBG_CONF_VIF_ANY ||
wdev->iftype == trig_vif;
}
static inline bool
iwl_fw_dbg_trigger_stop_conf_match(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dbg_trigger_tlv *trig)
{
return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
(fwrt->dump.conf == FW_DBG_INVALID ||
(BIT(fwrt->dump.conf) & le32_to_cpu(trig->stop_conf_ids))));
}
static inline bool
iwl_fw_dbg_no_trig_window(struct iwl_fw_runtime *fwrt,
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 (fwrt->dump.non_collect_ts_start[id] &&
(time_after(fwrt->dump.non_collect_ts_start[id] + wind_jiff,
jiffies)))
return true;
fwrt->dump.non_collect_ts_start[id] = jiffies;
return false;
}
static inline bool
iwl_fw_dbg_trigger_check_stop(struct iwl_fw_runtime *fwrt,
struct wireless_dev *wdev,
struct iwl_fw_dbg_trigger_tlv *trig)
{
if (wdev && !iwl_fw_dbg_trigger_vif_match(trig, wdev))
return false;
if (iwl_fw_dbg_no_trig_window(fwrt, trig)) {
IWL_WARN(fwrt, "Trigger %d occurred while no-collect window.\n",
trig->id);
return false;
}
return iwl_fw_dbg_trigger_stop_conf_match(fwrt, trig);
}
static inline void
_iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt,
struct wireless_dev *wdev,
struct iwl_fw_dbg_trigger_tlv *trigger)
{
if (!trigger)
return;
if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trigger))
return;
iwl_fw_dbg_collect_trig(fwrt, trigger, NULL);
}
#define iwl_fw_dbg_trigger_simple_stop(fwrt, wdev, trig) \
_iwl_fw_dbg_trigger_simple_stop((fwrt), (wdev), \
iwl_fw_dbg_get_trigger((fwrt)->fw,\
(trig)))
static inline void iwl_fw_dbg_stop_recording(struct iwl_fw_runtime *fwrt)
{
if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
iwl_set_bits_prph(fwrt->trans, MON_BUFF_SAMPLE_CTL, 0x100);
} else {
iwl_write_prph(fwrt->trans, DBGC_IN_SAMPLE, 0);
udelay(100);
iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, 0);
}
}
static inline void iwl_fw_dump_conf_clear(struct iwl_fw_runtime *fwrt)
{
fwrt->dump.conf = FW_DBG_INVALID;
}
void iwl_fw_error_dump_wk(struct work_struct *work);
static inline void iwl_fw_flush_dump(struct iwl_fw_runtime *fwrt)
{
flush_delayed_work(&fwrt->dump.wk);
}
static inline void iwl_fw_cancel_dump(struct iwl_fw_runtime *fwrt)
{
cancel_delayed_work_sync(&fwrt->dump.wk);
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt)
{
fwrt->timestamp.delay = 0;
cancel_delayed_work_sync(&fwrt->timestamp.wk);
}
void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt, u32 delay);
static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt)
{
cancel_delayed_work_sync(&fwrt->timestamp.wk);
}
static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt)
{
if (!fwrt->timestamp.delay)
return;
schedule_delayed_work(&fwrt->timestamp.wk,
round_jiffies_relative(fwrt->timestamp.delay));
}
#else
static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {}
static inline void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt,
u32 delay) {}
static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) {}
static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {}
#endif /* CONFIG_IWLWIFI_DEBUGFS */
#endif /* __iwl_fw_dbg_h__ */
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