cregit-Linux how code gets into the kernel

Release 4.11 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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
Luciano Coelho14493.51%457.14%
Nicolas Iooss63.90%114.29%
Joe Perches21.30%114.29%
Shahar Levi21.30%114.29%
Total154100.00%7100.00%
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