[deliverable/linux.git] / drivers / net / wireless / ti / wlcore / debugfs.h

/*
 * This file is part of wl1271
 *
 * Copyright (C) 2009 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
 *
 * 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 St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef __DEBUGFS_H__
#define __DEBUGFS_H__

#include "wlcore.h"

__printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count,
					loff_t *ppos, char *fmt, ...);

int wl1271_debugfs_init(struct wl1271 *wl);
void wl1271_debugfs_exit(struct wl1271 *wl);
void wl1271_debugfs_reset(struct wl1271 *wl);
void wl1271_debugfs_update_stats(struct wl1271 *wl);

#define DEBUGFS_FORMAT_BUFFER_SIZE 256

#define DEBUGFS_READONLY_FILE(name, fmt, value...)			\
static ssize_t name## _read(struct file *file, char __user *userbuf,	\
			    size_t count, loff_t *ppos)			\
{									\
	struct wl1271 *wl = file->private_data;				\
	return wl1271_format_buffer(userbuf, count, ppos,		\
				    fmt "\n", ##value);			\
}									\
									\
static const struct file_operations name## _ops = {			\
	.read = name## _read,						\
	.open = simple_open,						\
	.llseek	= generic_file_llseek,					\
};

#define DEBUGFS_ADD(name, parent)					\
	do {								\
		entry = debugfs_create_file(#name, 0400, parent,	\
					    wl, &name## _ops);		\
		if (!entry || IS_ERR(entry))				\
			goto err;					\
	} while (0)


#define DEBUGFS_ADD_PREFIX(prefix, name, parent)			\
	do {								\
		entry = debugfs_create_file(#name, 0400, parent,	\
				    wl, &prefix## _## name## _ops);	\
		if (!entry || IS_ERR(entry))				\
			goto err;					\
	} while (0)

#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type)		\
static ssize_t sub## _ ##name## _read(struct file *file,		\
				      char __user *userbuf,		\
				      size_t count, loff_t *ppos)	\
{									\
	struct wl1271 *wl = file->private_data;				\
	struct struct_type *stats = wl->stats.fw_stats;			\
									\
	wl1271_debugfs_update_stats(wl);				\
									\
	return wl1271_format_buffer(userbuf, count, ppos, fmt "\n",	\
				    stats->sub.name);			\
}									\
									\
static const struct file_operations sub## _ ##name## _ops = {		\
	.read = sub## _ ##name## _read,					\
	.open = simple_open,						\
	.llseek	= generic_file_llseek,					\
};

#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type)		\
static ssize_t sub## _ ##name## _read(struct file *file,		\
				      char __user *userbuf,		\
				      size_t count, loff_t *ppos)	\
{									\
	struct wl1271 *wl = file->private_data;				\
	struct struct_type *stats = wl->stats.fw_stats;			\
	char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = "";			\
	int res, i;							\
									\
	wl1271_debugfs_update_stats(wl);				\
									\
	for (i = 0; i < len; i++)					\
		res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n",	\
			       buf, i, stats->sub.name[i]);		\
									\
	return wl1271_format_buffer(userbuf, count, ppos, "%s", buf);	\
}									\
									\
static const struct file_operations sub## _ ##name## _ops = {		\
	.read = sub## _ ##name## _read,					\
	.open = simple_open,						\
	.llseek	= generic_file_llseek,					\
};

#define DEBUGFS_FWSTATS_ADD(sub, name)					\
	DEBUGFS_ADD(sub## _ ##name, stats)


#endif /* WL1271_DEBUGFS_H */
Commit	Line	Data
f5fc0f86 LC	1	/*
	2	* This file is part of wl1271
	3	*
	4	* Copyright (C) 2009 Nokia Corporation
	5	*
	6	* Contact: Luciano Coelho <luciano.coelho@nokia.com>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* version 2 as published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	20	* 02110-1301 USA
	21	*
	22	*/
	23
00d20100 SL	24	#ifndef __DEBUGFS_H__
00d20100 SL	25	#define __DEBUGFS_H__
f5fc0f86	26
c31be25a	27	#include "wlcore.h"
f5fc0f86	28
a3fa71c4 NI	29	__printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count,
a3fa71c4 NI	30	loff_t ppos, char fmt, ...);
4987257c	31
f5fc0f86 LC	32	int wl1271_debugfs_init(struct wl1271 *wl);
	33	void wl1271_debugfs_exit(struct wl1271 *wl);
	34	void wl1271_debugfs_reset(struct wl1271 *wl);
4987257c LC	35	void wl1271_debugfs_update_stats(struct wl1271 *wl);
4987257c LC	36
bcca1bbd LC	37	#define DEBUGFS_FORMAT_BUFFER_SIZE 256
bcca1bbd LC	38
4987257c LC	39	#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
	40	static ssize_t name## _read(struct file file, char __user userbuf, \
	41	size_t count, loff_t *ppos) \
	42	{ \
	43	struct wl1271 *wl = file->private_data; \
	44	return wl1271_format_buffer(userbuf, count, ppos, \
	45	fmt "\n", ##value); \
	46	} \
	47	\
	48	static const struct file_operations name## _ops = { \
	49	.read = name## _read, \
	50	.open = simple_open, \
	51	.llseek = generic_file_llseek, \
	52	};
	53
	54	#define DEBUGFS_ADD(name, parent) \
	55	do { \
	56	entry = debugfs_create_file(#name, 0400, parent, \
	57	wl, &name## _ops); \
	58	if (!entry \|\| IS_ERR(entry)) \
	59	goto err; \
f8b8a47e	60	} while (0)
4987257c LC	61
	62
	63	#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \
	64	do { \
	65	entry = debugfs_create_file(#name, 0400, parent, \
	66	wl, &prefix## _## name## _ops); \
	67	if (!entry \|\| IS_ERR(entry)) \
	68	goto err; \
f8b8a47e	69	} while (0)
4987257c LC	70
	71	#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \
	72	static ssize_t sub## _ ##name## _read(struct file *file, \
	73	char __user *userbuf, \
	74	size_t count, loff_t *ppos) \
	75	{ \
	76	struct wl1271 *wl = file->private_data; \
	77	struct struct_type *stats = wl->stats.fw_stats; \
	78	\
	79	wl1271_debugfs_update_stats(wl); \
	80	\
	81	return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \
	82	stats->sub.name); \
	83	} \
	84	\
	85	static const struct file_operations sub## _ ##name## _ops = { \
	86	.read = sub## _ ##name## _read, \
	87	.open = simple_open, \
	88	.llseek = generic_file_llseek, \
	89	};
	90
bcca1bbd LC	91	#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \
	92	static ssize_t sub## _ ##name## _read(struct file *file, \
	93	char __user *userbuf, \
	94	size_t count, loff_t *ppos) \
	95	{ \
	96	struct wl1271 *wl = file->private_data; \
	97	struct struct_type *stats = wl->stats.fw_stats; \
	98	char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \
	99	int res, i; \
	100	\
	101	wl1271_debugfs_update_stats(wl); \
	102	\
	103	for (i = 0; i < len; i++) \
	104	res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n", \
	105	buf, i, stats->sub.name[i]); \
	106	\
	107	return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \
	108	} \
	109	\
	110	static const struct file_operations sub## _ ##name## _ops = { \
	111	.read = sub## _ ##name## _read, \
	112	.open = simple_open, \
	113	.llseek = generic_file_llseek, \
	114	};
	115
4987257c LC	116	#define DEBUGFS_FWSTATS_ADD(sub, name) \
	117	DEBUGFS_ADD(sub## _ ##name, stats)
	118
f5fc0f86 LC	119
f5fc0f86 LC	120	#endif /* WL1271_DEBUGFS_H */