| /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ |
| /* |
| * Copyright (C) 2005-2014, 2018-2019, 2021 Intel Corporation |
| * Copyright (C) 2013-2015 Intel Mobile Communications GmbH |
| * Copyright (C) 2015-2017 Intel Deutschland GmbH |
| */ |
| #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" |
| #include "api/commands.h" |
| #include "api/dbg-tlv.h" |
| #include "api/alive.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; |
| }; |
| |
| /** |
| * struct iwl_fw_dbg_params - register values to restore |
| * @in_sample: DBGC_IN_SAMPLE value |
| * @out_ctrl: DBGC_OUT_CTRL value |
| */ |
| struct iwl_fw_dbg_params { |
| u32 in_sample; |
| u32 out_ctrl; |
| }; |
| |
| extern const struct iwl_fw_dump_desc iwl_dump_desc_assert; |
| |
| int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt, |
| const struct iwl_fw_dump_desc *desc, |
| bool monitor_only, unsigned int delay); |
| int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt, |
| enum iwl_fw_dbg_trigger trig_type); |
| int iwl_fw_dbg_ini_collect(struct iwl_fw_runtime *fwrt, |
| struct iwl_fwrt_dump_data *dump_data, |
| bool sync); |
| int iwl_fw_dbg_collect(struct iwl_fw_runtime *fwrt, |
| enum iwl_fw_dbg_trigger trig, const char *str, |
| size_t len, 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, u32 id, u32 dis_usec) |
| { |
| unsigned long wind_jiff = usecs_to_jiffies(dis_usec); |
| |
| /* 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) |
| { |
| u32 usec = le16_to_cpu(trig->trig_dis_ms) * USEC_PER_MSEC; |
| |
| if (wdev && !iwl_fw_dbg_trigger_vif_match(trig, wdev)) |
| return false; |
| |
| if (iwl_fw_dbg_no_trig_window(fwrt, le32_to_cpu(trig->id), usec)) { |
| 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 struct iwl_fw_dbg_trigger_tlv* |
| _iwl_fw_dbg_trigger_on(struct iwl_fw_runtime *fwrt, |
| struct wireless_dev *wdev, |
| const enum iwl_fw_dbg_trigger id) |
| { |
| struct iwl_fw_dbg_trigger_tlv *trig; |
| |
| if (iwl_trans_dbg_ini_valid(fwrt->trans)) |
| return NULL; |
| |
| if (!iwl_fw_dbg_trigger_enabled(fwrt->fw, id)) |
| return NULL; |
| |
| trig = _iwl_fw_dbg_get_trigger(fwrt->fw, id); |
| |
| if (!iwl_fw_dbg_trigger_check_stop(fwrt, wdev, trig)) |
| return NULL; |
| |
| return trig; |
| } |
| |
| #define iwl_fw_dbg_trigger_on(fwrt, wdev, id) ({ \ |
| BUILD_BUG_ON(!__builtin_constant_p(id)); \ |
| BUILD_BUG_ON((id) >= FW_DBG_TRIGGER_MAX); \ |
| _iwl_fw_dbg_trigger_on((fwrt), (wdev), (id)); \ |
| }) |
| |
| 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))) |
| void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt, |
| struct iwl_fw_dbg_params *params, |
| bool stop); |
| |
| #ifdef CONFIG_IWLWIFI_DEBUGFS |
| static inline void iwl_fw_set_dbg_rec_on(struct iwl_fw_runtime *fwrt) |
| { |
| if (fwrt->cur_fw_img == IWL_UCODE_REGULAR && |
| (fwrt->fw->dbg.dest_tlv || |
| fwrt->trans->dbg.ini_dest != IWL_FW_INI_LOCATION_INVALID)) |
| fwrt->trans->dbg.rec_on = true; |
| } |
| #endif |
| |
| 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 bool iwl_fw_dbg_type_on(struct iwl_fw_runtime *fwrt, u32 type) |
| { |
| return (fwrt->fw->dbg.dump_mask & BIT(type)); |
| } |
| |
| static inline bool iwl_fw_dbg_is_d3_debug_enabled(struct iwl_fw_runtime *fwrt) |
| { |
| return fw_has_capa(&fwrt->fw->ucode_capa, |
| IWL_UCODE_TLV_CAPA_D3_DEBUG) && |
| fwrt->trans->cfg->d3_debug_data_length && fwrt->ops && |
| fwrt->ops->d3_debug_enable && |
| fwrt->ops->d3_debug_enable(fwrt->ops_ctx) && |
| iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_D3_DEBUG_DATA); |
| } |
| |
| static inline bool iwl_fw_dbg_is_paging_enabled(struct iwl_fw_runtime *fwrt) |
| { |
| return iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_PAGING) && |
| !fwrt->trans->trans_cfg->gen2 && |
| fwrt->cur_fw_img < IWL_UCODE_TYPE_MAX && |
| fwrt->fw->img[fwrt->cur_fw_img].paging_mem_size && |
| fwrt->fw_paging_db[0].fw_paging_block; |
| } |
| |
| void iwl_fw_dbg_read_d3_debug_data(struct iwl_fw_runtime *fwrt); |
| |
| static inline void iwl_fw_flush_dumps(struct iwl_fw_runtime *fwrt) |
| { |
| int i; |
| |
| iwl_dbg_tlv_del_timers(fwrt->trans); |
| for (i = 0; i < IWL_FW_RUNTIME_DUMP_WK_NUM; i++) |
| flush_delayed_work(&fwrt->dump.wks[i].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 */ |
| |
| void iwl_fw_dbg_stop_sync(struct iwl_fw_runtime *fwrt); |
| |
| static inline void iwl_fw_lmac1_set_alive_err_table(struct iwl_trans *trans, |
| u32 lmac_error_event_table) |
| { |
| if (!(trans->dbg.error_event_table_tlv_status & |
| IWL_ERROR_EVENT_TABLE_LMAC1) || |
| WARN_ON(trans->dbg.lmac_error_event_table[0] != |
| lmac_error_event_table)) |
| trans->dbg.lmac_error_event_table[0] = lmac_error_event_table; |
| } |
| |
| static inline void iwl_fw_umac_set_alive_err_table(struct iwl_trans *trans, |
| u32 umac_error_event_table) |
| { |
| if (!(trans->dbg.error_event_table_tlv_status & |
| IWL_ERROR_EVENT_TABLE_UMAC) || |
| WARN_ON(trans->dbg.umac_error_event_table != |
| umac_error_event_table)) |
| trans->dbg.umac_error_event_table = umac_error_event_table; |
| } |
| |
| static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt, bool sync) |
| { |
| enum iwl_fw_ini_time_point tp_id; |
| |
| if (!iwl_trans_dbg_ini_valid(fwrt->trans)) { |
| iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0); |
| return; |
| } |
| |
| if (fwrt->trans->dbg.hw_error) { |
| tp_id = IWL_FW_INI_TIME_POINT_FW_HW_ERROR; |
| fwrt->trans->dbg.hw_error = false; |
| } else { |
| tp_id = IWL_FW_INI_TIME_POINT_FW_ASSERT; |
| } |
| |
| _iwl_dbg_tlv_time_point(fwrt, tp_id, NULL, sync); |
| } |
| |
| void iwl_fw_error_print_fseq_regs(struct iwl_fw_runtime *fwrt); |
| |
| static inline void iwl_fwrt_update_fw_versions(struct iwl_fw_runtime *fwrt, |
| struct iwl_lmac_alive *lmac, |
| struct iwl_umac_alive *umac) |
| { |
| if (lmac) { |
| fwrt->dump.fw_ver.type = lmac->ver_type; |
| fwrt->dump.fw_ver.subtype = lmac->ver_subtype; |
| fwrt->dump.fw_ver.lmac_major = le32_to_cpu(lmac->ucode_major); |
| fwrt->dump.fw_ver.lmac_minor = le32_to_cpu(lmac->ucode_minor); |
| } |
| |
| if (umac) { |
| fwrt->dump.fw_ver.umac_major = le32_to_cpu(umac->umac_major); |
| fwrt->dump.fw_ver.umac_minor = le32_to_cpu(umac->umac_minor); |
| } |
| } |
| |
| void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt); |
| #endif /* __iwl_fw_dbg_h__ */ |