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/*
* u_fs.h
*
* Utility definitions for the FunctionFS
*
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.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.
*/
#ifndef U_FFS_H
#define U_FFS_H
#include <linux/usb/composite.h>
#include <linux/list.h>
#include <linux/mutex.h>
struct ffs_dev {
const char *name;
bool mounted;
bool desc_ready;
bool single;
struct ffs_data *ffs_data;
struct list_head entry;
int (*ffs_ready_callback)(struct ffs_data *ffs);
void (*ffs_closed_callback)(struct ffs_data *ffs);
};
extern struct mutex ffs_lock;
static inline void ffs_dev_lock(void)
{
mutex_lock(&ffs_lock);
}
static inline void ffs_dev_unlock(void)
{
mutex_unlock(&ffs_lock);
}
struct ffs_dev *ffs_alloc_dev(void);
int ffs_name_dev(struct ffs_dev *dev, const char *name);
int ffs_single_dev(struct ffs_dev *dev);
void ffs_free_dev(struct ffs_dev *dev);
#endif /* U_FFS_H */
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