/*
* iwmc3200top - Intel Wireless MultiCom 3200 Top Driver
* drivers/misc/iwmc3200top/debufs.c
*
* Copyright (C) 2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
*
* Author Name: Maxim Grabarnik <maxim.grabarnink@intel.com>
* -
*
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/sdio.h>
#include <linux/debugfs.h>
#include "iwmc3200top.h"
#include "fw-msg.h"
#include "log.h"
#include "debugfs.h"
/* Constants definition */
#define HEXADECIMAL_RADIX 16
/* Functions definition */
#define DEBUGFS_ADD(name, parent) do { \
dbgfs->dbgfs_##parent##_files.file_##name = \
debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv, \
&iwmct_dbgfs_##name##_ops); \
} while (0)
#define DEBUGFS_RM(name) do { \
debugfs_remove(name); \
name = NULL; \
} while (0)
#define DEBUGFS_READ_FUNC(name) \
ssize_t iwmct_dbgfs_##name##_read(struct file *file, \
char __user *user_buf, \
size_t count, loff_t *ppos);
#define DEBUGFS_WRITE_FUNC(name) \
ssize_t iwmct_dbgfs_##name##_write(struct file *file, \
const char __user *user_buf, \
size_t count, loff_t *ppos);
#define DEBUGFS_READ_FILE_OPS(name) \
DEBUGFS_READ_FUNC(name) \
static const struct file_operations iwmct_dbgfs_##name##_ops = { \
.read = iwmct_dbgfs_##name##_read, \
.open = iwmct_dbgfs_open_file_generic, \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_WRITE_FILE_OPS(name) \
DEBUGFS_WRITE_FUNC(name) \
static const struct file_operations iwmct_dbgfs_##name##_ops = { \
.write = iwmct_dbgfs_##name##_write, \
.open = iwmct_dbgfs_open_file_generic, \
.llseek = generic_file_llseek, \
};
#define DEBUGFS_READ_WRITE_FILE_OPS(name) \
DEBUGFS_READ_FUNC(name) \
DEBUGFS_WRITE_FUNC(name) \
static const struct file_operations iwmct_dbgfs_##name##_ops = {\
.write = iwmct_dbgfs_##name##_write, \
.read = iwmct_dbgfs_##name##_read, \
.open = iwmct_dbgfs_open_file_generic, \
.llseek = generic_file_llseek, \
};
/* Debugfs file ops definitions */
/*
* Create the debugfs files and directories
*
*/
void iwmct_dbgfs_register(struct iwmct_priv *priv, const char *name)
{
struct iwmct_debugfs *dbgfs;
dbgfs = kzalloc(sizeof(struct iwmct_debugfs), GFP_KERNEL);
if (!dbgfs) {
LOG_ERROR(priv, DEBUGFS, "failed to allocate %zd bytes\n",
sizeof(struct iwmct_debugfs));
return;
}
priv->dbgfs = dbgfs;
dbgfs->name = name;
dbgfs->dir_drv = debugfs_create_dir(name, NULL);
if (!dbgfs->dir_drv) {
LOG_ERROR(priv, DEBUGFS, "failed to create debugfs dir\n");
return;
}
return;
}
/**
* Remove the debugfs files and directories
*
*/
void iwmct_dbgfs_unregister(struct iwmct_debugfs *dbgfs)
{
if (!dbgfs)
return;
DEBUGFS_RM(dbgfs->dir_drv);
kfree(dbgfs);
dbgfs = NULL;
}
