267 lines
8.4 KiB
C
267 lines
8.4 KiB
C
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/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
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* Copyright(c) 2018 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program;
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <linuxwifi@intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
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* Copyright(c) 2018 Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#ifndef __iwl_fw_dbg_h__
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#define __iwl_fw_dbg_h__
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#include <linux/workqueue.h>
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#include <net/cfg80211.h>
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#include "runtime.h"
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#include "iwl-prph.h"
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#include "iwl-io.h"
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#include "file.h"
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#include "error-dump.h"
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/**
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* struct iwl_fw_dump_desc - describes the dump
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* @len: length of trig_desc->data
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* @trig_desc: the description of the dump
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*/
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struct iwl_fw_dump_desc {
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size_t len;
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/* must be last */
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struct iwl_fw_error_dump_trigger_desc trig_desc;
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};
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extern const struct iwl_fw_dump_desc iwl_dump_desc_assert;
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static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt)
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{
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if (fwrt->dump.desc != &iwl_dump_desc_assert)
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kfree(fwrt->dump.desc);
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fwrt->dump.desc = NULL;
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fwrt->dump.trig = NULL;
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}
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void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt);
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int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
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const struct iwl_fw_dump_desc *desc,
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const struct iwl_fw_dbg_trigger_tlv *trigger);
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int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt,
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enum iwl_fw_dbg_trigger trig,
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const char *str, size_t len,
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const struct iwl_fw_dbg_trigger_tlv *trigger);
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int iwl_fw_dbg_collect_trig(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_dbg_trigger_tlv *trigger,
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const char *fmt, ...) __printf(3, 4);
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int iwl_fw_start_dbg_conf(struct iwl_fw_runtime *fwrt, u8 id);
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#define iwl_fw_dbg_trigger_enabled(fw, id) ({ \
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void *__dbg_trigger = (fw)->dbg_trigger_tlv[(id)]; \
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unlikely(__dbg_trigger); \
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})
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static inline struct iwl_fw_dbg_trigger_tlv*
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_iwl_fw_dbg_get_trigger(const struct iwl_fw *fw, enum iwl_fw_dbg_trigger id)
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{
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return fw->dbg_trigger_tlv[id];
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}
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#define iwl_fw_dbg_get_trigger(fw, id) ({ \
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BUILD_BUG_ON(!__builtin_constant_p(id)); \
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BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \
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_iwl_fw_dbg_get_trigger((fw), (id)); \
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})
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static inline bool
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iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
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struct wireless_dev *wdev)
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{
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u32 trig_vif = le32_to_cpu(trig->vif_type);
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return trig_vif == IWL_FW_DBG_CONF_VIF_ANY ||
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wdev->iftype == trig_vif;
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}
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static inline bool
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iwl_fw_dbg_trigger_stop_conf_match(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_dbg_trigger_tlv *trig)
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{
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return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
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(fwrt->dump.conf == FW_DBG_INVALID ||
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(BIT(fwrt->dump.conf) & le32_to_cpu(trig->stop_conf_ids))));
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}
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static inline bool
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iwl_fw_dbg_no_trig_window(struct iwl_fw_runtime *fwrt,
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struct iwl_fw_dbg_trigger_tlv *trig)
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{
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unsigned long wind_jiff =
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msecs_to_jiffies(le16_to_cpu(trig->trig_dis_ms));
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u32 id = le32_to_cpu(trig->id);
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/* If this is the first event checked, jump to update start ts */
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if (fwrt->dump.non_collect_ts_start[id] &&
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(time_after(fwrt->dump.non_collect_ts_start[id] + wind_jiff,
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jiffies)))
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return true;
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fwrt->dump.non_collect_ts_start[id] = jiffies;
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return false;
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}
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static inline bool
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iwl_fw_dbg_trigger_check_stop(struct iwl_fw_runtime *fwrt,
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struct wireless_dev *wdev,
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struct iwl_fw_dbg_trigger_tlv *trig)
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{
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if (wdev && !iwl_fw_dbg_trigger_vif_match(trig, wdev))
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return false;
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if (iwl_fw_dbg_no_trig_window(fwrt, trig)) {
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IWL_WARN(fwrt, "Trigger %d occurred while no-collect window.\n",
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trig->id);
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return false;
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}
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return iwl_fw_dbg_trigger_stop_conf_match(fwrt, trig);
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}
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static inline void
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_iwl_fw_dbg_trigger_simple_stop(struct iwl_fw_runtime *fwrt,
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struct wireless_dev *wdev,
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struct iwl_fw_dbg_trigger_tlv *trigger)
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{
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if (!trigger)
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return;
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if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trigger))
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return;
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iwl_fw_dbg_collect_trig(fwrt, trigger, NULL);
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}
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#define iwl_fw_dbg_trigger_simple_stop(fwrt, wdev, trig) \
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_iwl_fw_dbg_trigger_simple_stop((fwrt), (wdev), \
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iwl_fw_dbg_get_trigger((fwrt)->fw,\
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(trig)))
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static inline void iwl_fw_dbg_stop_recording(struct iwl_fw_runtime *fwrt)
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{
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if (fwrt->trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) {
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iwl_set_bits_prph(fwrt->trans, MON_BUFF_SAMPLE_CTL, 0x100);
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} else {
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iwl_write_prph(fwrt->trans, DBGC_IN_SAMPLE, 0);
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udelay(100);
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iwl_write_prph(fwrt->trans, DBGC_OUT_CTRL, 0);
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}
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}
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static inline void iwl_fw_dump_conf_clear(struct iwl_fw_runtime *fwrt)
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{
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fwrt->dump.conf = FW_DBG_INVALID;
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}
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void iwl_fw_error_dump_wk(struct work_struct *work);
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static inline void iwl_fw_flush_dump(struct iwl_fw_runtime *fwrt)
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{
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flush_delayed_work(&fwrt->dump.wk);
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}
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static inline void iwl_fw_cancel_dump(struct iwl_fw_runtime *fwrt)
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{
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cancel_delayed_work_sync(&fwrt->dump.wk);
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}
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt)
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{
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fwrt->timestamp.delay = 0;
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cancel_delayed_work_sync(&fwrt->timestamp.wk);
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}
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void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt, u32 delay);
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static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt)
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{
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cancel_delayed_work_sync(&fwrt->timestamp.wk);
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}
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static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt)
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{
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if (!fwrt->timestamp.delay)
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return;
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schedule_delayed_work(&fwrt->timestamp.wk,
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round_jiffies_relative(fwrt->timestamp.delay));
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}
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#else
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static inline void iwl_fw_cancel_timestamp(struct iwl_fw_runtime *fwrt) {}
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static inline void iwl_fw_trigger_timestamp(struct iwl_fw_runtime *fwrt,
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u32 delay) {}
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static inline void iwl_fw_suspend_timestamp(struct iwl_fw_runtime *fwrt) {}
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static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {}
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#endif /* CONFIG_IWLWIFI_DEBUGFS */
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#endif /* __iwl_fw_dbg_h__ */
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