linux/drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 1999 - 2018 Intel Corporation. */

#include <linux/debugfs.h>
#include <linux/module.h>

#include "ixgbe.h"

static struct dentry *ixgbe_dbg_root;

static char ixgbe_dbg_reg_ops_buf[256] = …;

static ssize_t ixgbe_dbg_common_ops_read(struct file *filp, char __user *buffer,
					 size_t count, loff_t *ppos,
					 char *dbg_buf)
{ … }

/**
 * ixgbe_dbg_reg_ops_read - read for reg_ops datum
 * @filp: the opened file
 * @buffer: where to write the data for the user to read
 * @count: the size of the user's buffer
 * @ppos: file position offset
 **/
static ssize_t ixgbe_dbg_reg_ops_read(struct file *filp, char __user *buffer,
				      size_t count, loff_t *ppos)
{ … }

/**
 * ixgbe_dbg_reg_ops_write - write into reg_ops datum
 * @filp: the opened file
 * @buffer: where to find the user's data
 * @count: the length of the user's data
 * @ppos: file position offset
 **/
static ssize_t ixgbe_dbg_reg_ops_write(struct file *filp,
				     const char __user *buffer,
				     size_t count, loff_t *ppos)
{ … }

static const struct file_operations ixgbe_dbg_reg_ops_fops = …;

static char ixgbe_dbg_netdev_ops_buf[256] = …;

/**
 * ixgbe_dbg_netdev_ops_read - read for netdev_ops datum
 * @filp: the opened file
 * @buffer: where to write the data for the user to read
 * @count: the size of the user's buffer
 * @ppos: file position offset
 **/
static ssize_t ixgbe_dbg_netdev_ops_read(struct file *filp, char __user *buffer,
					 size_t count, loff_t *ppos)
{ … }

/**
 * ixgbe_dbg_netdev_ops_write - write into netdev_ops datum
 * @filp: the opened file
 * @buffer: where to find the user's data
 * @count: the length of the user's data
 * @ppos: file position offset
 **/
static ssize_t ixgbe_dbg_netdev_ops_write(struct file *filp,
					  const char __user *buffer,
					  size_t count, loff_t *ppos)
{ … }

static const struct file_operations ixgbe_dbg_netdev_ops_fops = …;

/**
 * ixgbe_dbg_adapter_init - setup the debugfs directory for the adapter
 * @adapter: the adapter that is starting up
 **/
void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter)
{ … }

/**
 * ixgbe_dbg_adapter_exit - clear out the adapter's debugfs entries
 * @adapter: the adapter that is exiting
 **/
void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter)
{ … }

/**
 * ixgbe_dbg_init - start up debugfs for the driver
 **/
void ixgbe_dbg_init(void)
{ … }

/**
 * ixgbe_dbg_exit - clean out the driver's debugfs entries
 **/
void ixgbe_dbg_exit(void)
{ … }