/****************************************************************************** * * 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 * 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 #include #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); } #endif /* __iwl_fw_dbg_h__ */