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