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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.h')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/dbg.h330
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__ */