* sysfs.h - definitions for the device driver filesystem
*
* Copyright (c) 2001,2002 Patrick Mochel
+ * Copyright (c) 2004 Silicon Graphics, Inc.
*
* Please see Documentation/filesystems/sysfs.txt for more information.
*/
#ifndef _SYSFS_H_
#define _SYSFS_H_
+#include <linux/compiler.h>
+#include <asm/atomic.h>
+
#define SYSFS_SUPER_MAGIC 0x62656572
struct kobject;
struct module;
struct attribute {
- char * name;
+ const char * name;
struct module * owner;
mode_t mode;
};
struct attribute_group {
- char * name;
+ const char * name;
struct attribute ** attrs;
};
#define attr_name(_attr) (_attr).attr.name
+struct vm_area_struct;
+
struct bin_attribute {
struct attribute attr;
size_t size;
+ void *private;
ssize_t (*read)(struct kobject *, char *, loff_t, size_t);
ssize_t (*write)(struct kobject *, char *, loff_t, size_t);
+ int (*mmap)(struct kobject *, struct bin_attribute *attr,
+ struct vm_area_struct *vma);
};
struct sysfs_ops {
ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
};
+struct sysfs_dirent {
+ atomic_t s_count;
+ struct list_head s_sibling;
+ struct list_head s_children;
+ void * s_element;
+ int s_type;
+ umode_t s_mode;
+ struct dentry * s_dentry;
+ struct iattr * s_iattr;
+ atomic_t s_event;
+};
+
+#define SYSFS_ROOT 0x0001
+#define SYSFS_DIR 0x0002
+#define SYSFS_KOBJ_ATTR 0x0004
+#define SYSFS_KOBJ_BIN_ATTR 0x0008
+#define SYSFS_KOBJ_LINK 0x0020
+#define SYSFS_NOT_PINNED (SYSFS_KOBJ_ATTR | SYSFS_KOBJ_BIN_ATTR | SYSFS_KOBJ_LINK)
+
#ifdef CONFIG_SYSFS
-extern int
+extern int __must_check
sysfs_create_dir(struct kobject *);
extern void
sysfs_remove_dir(struct kobject *);
-extern int
+extern int __must_check
sysfs_rename_dir(struct kobject *, const char *new_name);
-extern int
+extern int __must_check
+sysfs_move_dir(struct kobject *, struct kobject *);
+
+extern int __must_check
sysfs_create_file(struct kobject *, const struct attribute *);
-extern int
+extern int __must_check
sysfs_update_file(struct kobject *, const struct attribute *);
+extern int __must_check
+sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode);
+
extern void
sysfs_remove_file(struct kobject *, const struct attribute *);
-extern int
-sysfs_create_link(struct kobject * kobj, struct kobject * target, char * name);
+extern int __must_check
+sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name);
extern void
-sysfs_remove_link(struct kobject *, char * name);
+sysfs_remove_link(struct kobject *, const char * name);
-int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr);
-int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr);
+int __must_check sysfs_create_bin_file(struct kobject *kobj,
+ struct bin_attribute *attr);
+void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr);
-int sysfs_create_group(struct kobject *, const struct attribute_group *);
+int __must_check sysfs_create_group(struct kobject *,
+ const struct attribute_group *);
void sysfs_remove_group(struct kobject *, const struct attribute_group *);
+void sysfs_notify(struct kobject * k, char *dir, char *attr);
+
+extern int __must_check sysfs_init(void);
#else /* CONFIG_SYSFS */
return 0;
}
+static inline int sysfs_move_dir(struct kobject * k, struct kobject * new_parent)
+{
+ return 0;
+}
+
static inline int sysfs_create_file(struct kobject * k, const struct attribute * a)
{
return 0;
{
return 0;
}
+static inline int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode)
+{
+ return 0;
+}
static inline void sysfs_remove_file(struct kobject * k, const struct attribute * a)
{
;
}
-static inline int sysfs_create_link(struct kobject * k, struct kobject * t, char * n)
+static inline int sysfs_create_link(struct kobject * k, struct kobject * t, const char * n)
{
return 0;
}
-static inline void sysfs_remove_link(struct kobject * k, char * name)
+static inline void sysfs_remove_link(struct kobject * k, const char * name)
{
;
}
;
}
+static inline void sysfs_notify(struct kobject * k, char *dir, char *attr)
+{
+}
+
+static inline int __must_check sysfs_init(void)
+{
+ return 0;
+}
+
#endif /* CONFIG_SYSFS */
#endif /* _SYSFS_H_ */