347 lines
9.8 KiB
C
347 lines
9.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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* Copyright (C) 2005-2014, 2018-2019, 2021-2023 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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bool sync);
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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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int iwl_fw_send_timestamp_marker_cmd(struct iwl_fw_runtime *fwrt);
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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, bool sync)
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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, sync);
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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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void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt);
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void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt,
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u32 timepoint,
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u32 timepoint_data);
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#define IWL_FW_CHECK_FAILED(_obj, _fmt, ...) \
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IWL_ERR_LIMIT(_obj, _fmt, __VA_ARGS__)
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#define IWL_FW_CHECK(_obj, _cond, _fmt, ...) \
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({ \
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bool __cond = (_cond); \
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\
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if (unlikely(__cond)) \
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IWL_FW_CHECK_FAILED(_obj, _fmt, __VA_ARGS__); \
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\
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unlikely(__cond); \
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})
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#endif /* __iwl_fw_dbg_h__ */
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