diff options
| -rw-r--r-- | include/linux/sysfs.h | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 2c3b6a30697d..d907a7328025 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -17,6 +17,7 @@ #include <linux/list.h> #include <linux/lockdep.h> #include <linux/kobject_ns.h> +#include <linux/stat.h> #include <linux/atomic.h> struct kobject; @@ -94,15 +95,18 @@ struct attribute_group { #define __ATTR_IGNORE_LOCKDEP __ATTR #endif -#define ATTRIBUTE_GROUPS(name) \ -static const struct attribute_group name##_group = { \ - .attrs = name##_attrs, \ -}; \ -static const struct attribute_group *name##_groups[] = { \ - &name##_group, \ +#define __ATTRIBUTE_GROUPS(_name) \ +static const struct attribute_group *_name##_groups[] = { \ + &_name##_group, \ NULL, \ } +#define ATTRIBUTE_GROUPS(_name) \ +static const struct attribute_group _name##_group = { \ + .attrs = _name##_attrs, \ +}; \ +__ATTRIBUTE_GROUPS(_name) + #define attr_name(_attr) (_attr).attr.name struct file; @@ -132,15 +136,36 @@ struct bin_attribute { */ #define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&(bin_attr)->attr) -/* macro to create static binary attributes easier */ -#define BIN_ATTR(_name, _mode, _read, _write, _size) \ -struct bin_attribute bin_attr_##_name = { \ - .attr = {.name = __stringify(_name), .mode = _mode }, \ - .read = _read, \ - .write = _write, \ - .size = _size, \ +/* macros to create static binary attributes easier */ +#define __BIN_ATTR(_name, _mode, _read, _write, _size) { \ + .attr = { .name = __stringify(_name), .mode = _mode }, \ + .read = _read, \ + .write = _write, \ + .size = _size, \ +} + +#define __BIN_ATTR_RO(_name, _size) { \ + .attr = { .name = __stringify(_name), .mode = S_IRUGO }, \ + .read = _name##_read, \ + .size = _size, \ } +#define __BIN_ATTR_RW(_name, _size) __BIN_ATTR(_name, \ + (S_IWUSR | S_IRUGO), _name##_read, \ + _name##_write) + +#define __BIN_ATTR_NULL __ATTR_NULL + +#define BIN_ATTR(_name, _mode, _read, _write, _size) \ +struct bin_attribute bin_attr_##_name = __BIN_ATTR(_name, _mode, _read, \ + _write, _size) + +#define BIN_ATTR_RO(_name, _size) \ +struct bin_attribute bin_attr_##_name = __BIN_ATTR_RO(_name, _size) + +#define BIN_ATTR_RW(_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); |