* 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.
*/
#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 {
int s_type;
umode_t s_mode;
struct dentry * s_dentry;
+ struct iattr * s_iattr;
};
#define SYSFS_ROOT 0x0001
extern int
sysfs_update_file(struct kobject *, const struct attribute *);
+extern int
+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
+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);
{
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)
{
;
}