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-rw-r--r--include/linux/sysfs.h124
1 files changed, 87 insertions, 37 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 9e8a9b555ad..6695040a031 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -51,9 +51,9 @@ do { \
static struct lock_class_key __key; \
\
(attr)->key = &__key; \
-} while(0)
+} while (0)
#else
-#define sysfs_attr_init(attr) do {} while(0)
+#define sysfs_attr_init(attr) do {} while (0)
#endif
struct attribute_group {
@@ -69,7 +69,7 @@ struct attribute_group {
* for examples..
*/
-#define __ATTR(_name,_mode,_show,_store) { \
+#define __ATTR(_name, _mode, _show, _store) { \
.attr = {.name = __stringify(_name), .mode = _mode }, \
.show = _show, \
.store = _store, \
@@ -80,6 +80,11 @@ struct attribute_group {
.show = _name##_show, \
}
+#define __ATTR_WO(_name) { \
+ .attr = { .name = __stringify(_name), .mode = S_IWUSR }, \
+ .store = _name##_store, \
+}
+
#define __ATTR_RW(_name) __ATTR(_name, (S_IWUSR | S_IRUGO), \
_name##_show, _name##_store)
@@ -108,8 +113,6 @@ static const struct attribute_group _name##_group = { \
}; \
__ATTRIBUTE_GROUPS(_name)
-#define attr_name(_attr) (_attr).attr.name
-
struct file;
struct vm_area_struct;
@@ -119,7 +122,7 @@ struct bin_attribute {
void *private;
ssize_t (*read)(struct file *, struct kobject *, struct bin_attribute *,
char *, loff_t, size_t);
- ssize_t (*write)(struct file *,struct kobject *, struct bin_attribute *,
+ ssize_t (*write)(struct file *, struct kobject *, struct bin_attribute *,
char *, loff_t, size_t);
int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr,
struct vm_area_struct *vma);
@@ -153,7 +156,7 @@ struct bin_attribute {
#define __BIN_ATTR_RW(_name, _size) __BIN_ATTR(_name, \
(S_IWUSR | S_IRUGO), _name##_read, \
- _name##_write)
+ _name##_write, _size)
#define __BIN_ATTR_NULL __ATTR_NULL
@@ -168,9 +171,8 @@ struct bin_attribute bin_attr_##_name = __BIN_ATTR_RO(_name, _size)
struct bin_attribute bin_attr_##_name = __BIN_ATTR_RW(_name, _size)
struct sysfs_ops {
- ssize_t (*show)(struct kobject *, struct attribute *,char *);
- ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
- const void *(*namespace)(struct kobject *, const struct attribute *);
+ ssize_t (*show)(struct kobject *, struct attribute *, char *);
+ ssize_t (*store)(struct kobject *, struct attribute *, const char *, size_t);
};
struct sysfs_dirent;
@@ -180,19 +182,23 @@ struct sysfs_dirent;
int sysfs_schedule_callback(struct kobject *kobj, void (*func)(void *),
void *data, struct module *owner);
-int __must_check sysfs_create_dir(struct kobject *kobj);
+int __must_check sysfs_create_dir_ns(struct kobject *kobj, const void *ns);
void sysfs_remove_dir(struct kobject *kobj);
-int __must_check sysfs_rename_dir(struct kobject *kobj, const char *new_name);
-int __must_check sysfs_move_dir(struct kobject *kobj,
- struct kobject *new_parent_kobj);
-
-int __must_check sysfs_create_file(struct kobject *kobj,
- const struct attribute *attr);
+int __must_check sysfs_rename_dir_ns(struct kobject *kobj, const char *new_name,
+ const void *new_ns);
+int __must_check sysfs_move_dir_ns(struct kobject *kobj,
+ struct kobject *new_parent_kobj,
+ const void *new_ns);
+
+int __must_check sysfs_create_file_ns(struct kobject *kobj,
+ const struct attribute *attr,
+ const void *ns);
int __must_check sysfs_create_files(struct kobject *kobj,
const struct attribute **attr);
int __must_check sysfs_chmod_file(struct kobject *kobj,
const struct attribute *attr, umode_t mode);
-void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr);
+void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr,
+ const void *ns);
void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr);
int __must_check sysfs_create_bin_file(struct kobject *kobj,
@@ -207,18 +213,23 @@ int __must_check sysfs_create_link_nowarn(struct kobject *kobj,
const char *name);
void sysfs_remove_link(struct kobject *kobj, const char *name);
-int sysfs_rename_link(struct kobject *kobj, struct kobject *target,
- const char *old_name, const char *new_name);
+int sysfs_rename_link_ns(struct kobject *kobj, struct kobject *target,
+ const char *old_name, const char *new_name,
+ const void *new_ns);
void sysfs_delete_link(struct kobject *dir, struct kobject *targ,
const char *name);
int __must_check sysfs_create_group(struct kobject *kobj,
const struct attribute_group *grp);
+int __must_check sysfs_create_groups(struct kobject *kobj,
+ const struct attribute_group **groups);
int sysfs_update_group(struct kobject *kobj,
const struct attribute_group *grp);
void sysfs_remove_group(struct kobject *kobj,
const struct attribute_group *grp);
+void sysfs_remove_groups(struct kobject *kobj,
+ const struct attribute_group **groups);
int sysfs_add_file_to_group(struct kobject *kobj,
const struct attribute *attr, const char *group);
void sysfs_remove_file_from_group(struct kobject *kobj,
@@ -234,9 +245,9 @@ void sysfs_remove_link_from_group(struct kobject *kobj, const char *group_name,
void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr);
void sysfs_notify_dirent(struct sysfs_dirent *sd);
-struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
- const void *ns,
- const unsigned char *name);
+struct sysfs_dirent *sysfs_get_dirent_ns(struct sysfs_dirent *parent_sd,
+ const unsigned char *name,
+ const void *ns);
struct sysfs_dirent *sysfs_get(struct sysfs_dirent *sd);
void sysfs_put(struct sysfs_dirent *sd);
@@ -250,7 +261,7 @@ static inline int sysfs_schedule_callback(struct kobject *kobj,
return -ENOSYS;
}
-static inline int sysfs_create_dir(struct kobject *kobj)
+static inline int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
{
return 0;
}
@@ -259,19 +270,22 @@ static inline void sysfs_remove_dir(struct kobject *kobj)
{
}
-static inline int sysfs_rename_dir(struct kobject *kobj, const char *new_name)
+static inline int sysfs_rename_dir_ns(struct kobject *kobj,
+ const char *new_name, const void *new_ns)
{
return 0;
}
-static inline int sysfs_move_dir(struct kobject *kobj,
- struct kobject *new_parent_kobj)
+static inline int sysfs_move_dir_ns(struct kobject *kobj,
+ struct kobject *new_parent_kobj,
+ const void *new_ns)
{
return 0;
}
-static inline int sysfs_create_file(struct kobject *kobj,
- const struct attribute *attr)
+static inline int sysfs_create_file_ns(struct kobject *kobj,
+ const struct attribute *attr,
+ const void *ns)
{
return 0;
}
@@ -288,8 +302,9 @@ static inline int sysfs_chmod_file(struct kobject *kobj,
return 0;
}
-static inline void sysfs_remove_file(struct kobject *kobj,
- const struct attribute *attr)
+static inline void sysfs_remove_file_ns(struct kobject *kobj,
+ const struct attribute *attr,
+ const void *ns)
{
}
@@ -326,8 +341,9 @@ static inline void sysfs_remove_link(struct kobject *kobj, const char *name)
{
}
-static inline int sysfs_rename_link(struct kobject *k, struct kobject *t,
- const char *old_name, const char *new_name)
+static inline int sysfs_rename_link_ns(struct kobject *k, struct kobject *t,
+ const char *old_name,
+ const char *new_name, const void *ns)
{
return 0;
}
@@ -343,6 +359,12 @@ static inline int sysfs_create_group(struct kobject *kobj,
return 0;
}
+static inline int sysfs_create_groups(struct kobject *kobj,
+ const struct attribute_group **groups)
+{
+ return 0;
+}
+
static inline int sysfs_update_group(struct kobject *kobj,
const struct attribute_group *grp)
{
@@ -354,6 +376,11 @@ static inline void sysfs_remove_group(struct kobject *kobj,
{
}
+static inline void sysfs_remove_groups(struct kobject *kobj,
+ const struct attribute_group **groups)
+{
+}
+
static inline int sysfs_add_file_to_group(struct kobject *kobj,
const struct attribute *attr, const char *group)
{
@@ -395,10 +422,9 @@ static inline void sysfs_notify(struct kobject *kobj, const char *dir,
static inline void sysfs_notify_dirent(struct sysfs_dirent *sd)
{
}
-static inline
-struct sysfs_dirent *sysfs_get_dirent(struct sysfs_dirent *parent_sd,
- const void *ns,
- const unsigned char *name)
+static inline struct sysfs_dirent *
+sysfs_get_dirent_ns(struct sysfs_dirent *parent_sd, const unsigned char *name,
+ const void *ns)
{
return NULL;
}
@@ -417,4 +443,28 @@ static inline int __must_check sysfs_init(void)
#endif /* CONFIG_SYSFS */
+static inline int __must_check sysfs_create_file(struct kobject *kobj,
+ const struct attribute *attr)
+{
+ return sysfs_create_file_ns(kobj, attr, NULL);
+}
+
+static inline void sysfs_remove_file(struct kobject *kobj,
+ const struct attribute *attr)
+{
+ return sysfs_remove_file_ns(kobj, attr, NULL);
+}
+
+static inline int sysfs_rename_link(struct kobject *kobj, struct kobject *target,
+ const char *old_name, const char *new_name)
+{
+ return sysfs_rename_link_ns(kobj, target, old_name, new_name, NULL);
+}
+
+static inline struct sysfs_dirent *
+sysfs_get_dirent(struct sysfs_dirent *parent_sd, const unsigned char *name)
+{
+ return sysfs_get_dirent_ns(parent_sd, name, NULL);
+}
+
#endif /* _SYSFS_H_ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 07:17:08 +0000