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/*
 * sysfs.h - definitions for the device driver filesystem
 *
 * Copyright (c) 2001,2002 Patrick Mochel
 *
 * Please see Documentation/filesystems/sysfs.txt for more information.
 */

#ifndef _SYSFS_H_
#define _SYSFS_H_

struct kobject;
struct module;

struct attribute {
        char                    * name;
        struct module           * owner;
        mode_t                  mode;
};

struct bin_attribute {
        struct attribute        attr;
        size_t                  size;
        ssize_t (*read)(struct kobject *, char *, loff_t, size_t);
        ssize_t (*write)(struct kobject *, char *, loff_t, size_t);
};

int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr);
int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr);

struct sysfs_ops {
        ssize_t (*show)(struct kobject *, struct attribute *,char *);
        ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
};

extern int
sysfs_create_dir(struct kobject *);

extern void
sysfs_remove_dir(struct kobject *);

extern void
sysfs_rename_dir(struct kobject *, const char *new_name);

extern int
sysfs_create_file(struct kobject *, const struct attribute *);

extern int
sysfs_update_file(struct kobject *, const struct attribute *);

extern void
sysfs_remove_file(struct kobject *, const struct attribute *);

extern int
sysfs_create_link(struct kobject * kobj, struct kobject * target, char * name);

extern void
sysfs_remove_link(struct kobject *, char * name);


struct attribute_group {
        char                    * name;
        struct attribute        ** attrs;
};

int sysfs_create_group(struct kobject *, const struct attribute_group *);
void sysfs_remove_group(struct kobject *, const struct attribute_group *);

#endif /* _SYSFS_H_ */