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324 lines
9.2 KiB
324 lines
9.2 KiB
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
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/* |
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* Copyright (C) 2005-2014, 2018-2019 Intel Corporation |
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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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*/ |
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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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#include "api/commands.h" |
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#include "api/dbg-tlv.h" |
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#include "api/alive.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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/** |
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* struct iwl_fw_dbg_params - register values to restore |
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* @in_sample: DBGC_IN_SAMPLE value |
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* @out_ctrl: DBGC_OUT_CTRL value |
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*/ |
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struct iwl_fw_dbg_params { |
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u32 in_sample; |
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u32 out_ctrl; |
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}; |
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extern const struct iwl_fw_dump_desc iwl_dump_desc_assert; |
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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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bool monitor_only, unsigned int delay); |
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int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, |
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enum iwl_fw_dbg_trigger trig_type); |
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int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, |
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struct iwl_fwrt_dump_data *dump_data); |
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int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, |
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enum iwl_fw_dbg_trigger trig, const char *str, |
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size_t len, 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, u32 id, u32 dis_usec) |
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{ |
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unsigned long wind_jiff = usecs_to_jiffies(dis_usec); |
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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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u32 usec = le16_to_cpu(trig->trig_dis_ms) * USEC_PER_MSEC; |
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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, le32_to_cpu(trig->id), usec)) { |
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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 struct iwl_fw_dbg_trigger_tlv* |
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_iwl_fw_dbg_trigger_on(struct iwl_fw_runtime *fwrt, |
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struct wireless_dev *wdev, |
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const enum iwl_fw_dbg_trigger id) |
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{ |
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struct iwl_fw_dbg_trigger_tlv *trig; |
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if (iwl_trans_dbg_ini_valid(fwrt->trans)) |
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return NULL; |
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if (!iwl_fw_dbg_trigger_enabled(fwrt->fw, id)) |
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return NULL; |
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trig = _iwl_fw_dbg_get_trigger(fwrt->fw, id); |
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if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trig)) |
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return NULL; |
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return trig; |
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} |
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#define iwl_fw_dbg_trigger_on(fwrt, wdev, 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_trigger_on((fwrt), (wdev), (id)); \ |
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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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void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, |
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struct iwl_fw_dbg_params *params, |
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bool stop); |
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#ifdef CONFIG_IWLWIFI_DEBUGFS |
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static inline void iwl_fw_set_dbg_rec_on(struct iwl_fw_runtime *fwrt) |
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{ |
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if (fwrt->cur_fw_img == IWL_UCODE_REGULAR && |
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(fwrt->fw->dbg.dest_tlv || |
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fwrt->trans->dbg.ini_dest != IWL_FW_INI_LOCATION_INVALID)) |
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fwrt->trans->dbg.rec_on = true; |
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} |
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#endif |
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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 bool iwl_fw_dbg_type_on(struct iwl_fw_runtime *fwrt, u32 type) |
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{ |
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return (fwrt->fw->dbg.dump_mask & BIT(type)); |
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} |
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static inline bool iwl_fw_dbg_is_d3_debug_enabled(struct iwl_fw_runtime *fwrt) |
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{ |
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return fw_has_capa(&fwrt->fw->ucode_capa, |
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IWL_UCODE_TLV_CAPA_D3_DEBUG) && |
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fwrt->trans->cfg->d3_debug_data_length && fwrt->ops && |
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fwrt->ops->d3_debug_enable && |
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fwrt->ops->d3_debug_enable(fwrt->ops_ctx) && |
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iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); |
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} |
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static inline bool iwl_fw_dbg_is_paging_enabled(struct iwl_fw_runtime *fwrt) |
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{ |
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return iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PAGING) && |
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!fwrt->trans->trans_cfg->gen2 && |
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fwrt->cur_fw_img < IWL_UCODE_TYPE_MAX && |
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fwrt->fw->img[fwrt->cur_fw_img].paging_mem_size && |
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fwrt->fw_paging_db[0].fw_paging_block; |
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} |
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void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt); |
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static inline void iwl_fw_flush_dumps(struct iwl_fw_runtime *fwrt) |
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{ |
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int i; |
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iwl_dbg_tlv_del_timers(fwrt->trans); |
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for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) |
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flush_delayed_work(&fwrt->dump.wks[i].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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void iwl_fw_dbg_stop_sync(struct iwl_fw_runtime *fwrt); |
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static inline void iwl_fw_lmac1_set_alive_err_table(struct iwl_trans *trans, |
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u32 lmac_error_event_table) |
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{ |
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if (!(trans->dbg.error_event_table_tlv_status & |
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IWL_ERROR_EVENT_TABLE_LMAC1) || |
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WARN_ON(trans->dbg.lmac_error_event_table[0] != |
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lmac_error_event_table)) |
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trans->dbg.lmac_error_event_table[0] = lmac_error_event_table; |
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} |
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static inline void iwl_fw_umac_set_alive_err_table(struct iwl_trans *trans, |
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u32 umac_error_event_table) |
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{ |
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if (!(trans->dbg.error_event_table_tlv_status & |
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IWL_ERROR_EVENT_TABLE_UMAC) || |
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WARN_ON(trans->dbg.umac_error_event_table != |
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umac_error_event_table)) |
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trans->dbg.umac_error_event_table = umac_error_event_table; |
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} |
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static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt) |
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{ |
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enum iwl_fw_ini_time_point tp_id; |
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if (!iwl_trans_dbg_ini_valid(fwrt->trans)) { |
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iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0); |
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return; |
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} |
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if (fwrt->trans->dbg.hw_error) { |
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tp_id = IWL_FW_INI_TIME_POINT_FW_HW_ERROR; |
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fwrt->trans->dbg.hw_error = false; |
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} else { |
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tp_id = IWL_FW_INI_TIME_POINT_FW_ASSERT; |
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} |
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iwl_dbg_tlv_time_point(fwrt, tp_id, NULL); |
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} |
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void iwl_fw_error_print_fseq_regs(struct iwl_fw_runtime *fwrt); |
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static inline void iwl_fwrt_update_fw_versions(struct iwl_fw_runtime *fwrt, |
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struct iwl_lmac_alive *lmac, |
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struct iwl_umac_alive *umac) |
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{ |
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if (lmac) { |
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fwrt->dump.fw_ver.type = lmac->ver_type; |
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fwrt->dump.fw_ver.subtype = lmac->ver_subtype; |
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fwrt->dump.fw_ver.lmac_major = le32_to_cpu(lmac->ucode_major); |
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fwrt->dump.fw_ver.lmac_minor = le32_to_cpu(lmac->ucode_minor); |
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} |
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if (umac) { |
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fwrt->dump.fw_ver.umac_major = le32_to_cpu(umac->umac_major); |
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fwrt->dump.fw_ver.umac_minor = le32_to_cpu(umac->umac_minor); |
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} |
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} |
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#endif /* __iwl_fw_dbg_h__ */
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