debugfs.c | Explore in Territory

// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
 *
 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
 * Copyright (C) 2018 Intel Corporation
 *****************************************************************************/

#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/ieee80211.h>
#include <net/mac80211.h>

#include "iwl-debug.h"
#include "iwl-trans.h"
#include "iwl-io.h"
#include "dev.h"
#include "agn.h"

/* create and remove of files */
#define DEBUGFS_ADD_FILE(name, parent, mode) …

/* file operation */
#define DEBUGFS_READ_FILE_OPS(name) …

#define DEBUGFS_WRITE_FILE_OPS(name) …


#define DEBUGFS_READ_WRITE_FILE_OPS(name) …

static ssize_t iwl_dbgfs_sram_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_sram_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file,
					  char __user *user_buf,
					  size_t count, loff_t *ppos)
{ … }
static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_nvm_read(struct file *file,
				       char __user *user_buf,
				       size_t count,
				       loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
				       size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_status_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_rx_handlers_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
				       size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
				char __user *user_buf,
				size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_temperature_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }


static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
						    const char __user *user_buf,
						    size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
						   char __user *user_buf,
						   size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
						    char __user *user_buf,
						    size_t count, loff_t *ppos)
{ … }

DEBUGFS_READ_WRITE_FILE_OPS(sram);
DEBUGFS_READ_FILE_OPS(wowlan_sram);
DEBUGFS_READ_FILE_OPS(nvm);
DEBUGFS_READ_FILE_OPS(stations);
DEBUGFS_READ_FILE_OPS(channels);
DEBUGFS_READ_FILE_OPS(status);
DEBUGFS_READ_WRITE_FILE_OPS(rx_handlers);
DEBUGFS_READ_FILE_OPS(qos);
DEBUGFS_READ_FILE_OPS(thermal_throttling);
DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
DEBUGFS_READ_FILE_OPS(temperature);
DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
DEBUGFS_READ_FILE_OPS(current_sleep_command);

#define fmt_value …
#define fmt_hex …
#define fmt_table …
#define fmt_header …

static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz)
{ … }

static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) { … }


static ssize_t iwl_dbgfs_chain_noise_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
						    char __user *user_buf,
						    size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_ucode_tracing_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_rxon_flags_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_rxon_filter_flags_read(struct file *file,
						char __user *user_buf,
						size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_missed_beacon_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file,
					 const char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_rf_reset_read(struct file *file,
				       char __user *user_buf,
				       size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_rf_reset_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static ssize_t iwl_dbgfs_protection_mode_read(struct file *file,
					char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos) { … }

static int iwl_cmd_echo_test(struct iwl_priv *priv)
{ … }

static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }

#ifdef CONFIG_IWLWIFI_DEBUG
static ssize_t iwl_dbgfs_log_event_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_log_event_write(struct file *file,
					const char __user *user_buf,
					size_t count, loff_t *ppos)
{ … }
#endif

static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
					 char __user *user_buf,
					 size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
					      const char __user *user_buf,
					      size_t count, loff_t *ppos)
{ … }

static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
					  const char __user *user_buf,
					  size_t count, loff_t *ppos)
{ … }

DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
DEBUGFS_READ_FILE_OPS(ucode_general_stats);
DEBUGFS_READ_FILE_OPS(sensitivity);
DEBUGFS_READ_FILE_OPS(chain_noise);
DEBUGFS_READ_FILE_OPS(power_save_status);
DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing);
DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
DEBUGFS_READ_WRITE_FILE_OPS(rf_reset);
DEBUGFS_READ_FILE_OPS(rxon_flags);
DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
DEBUGFS_READ_FILE_OPS(bt_traffic);
DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
DEBUGFS_READ_FILE_OPS(reply_tx_error);
DEBUGFS_WRITE_FILE_OPS(echo_test);
DEBUGFS_WRITE_FILE_OPS(fw_restart);
#ifdef CONFIG_IWLWIFI_DEBUG
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
#endif
DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);

/*
 * Create the debugfs files and directories
 *
 */
void iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
{ … }
linux/drivers/net/wireless/intel/iwlwifi/dvm/debugfs.c
