diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.h | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h new file mode 100644 index 000000000..be7806407 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -0,0 +1,330 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * Copyright (C) 2005-2014, 2018-2019, 2021-2022 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); +void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt, + u32 timepoint, + u32 timepoint_data); +#endif /* __iwl_fw_dbg_h__ */ |