sysfs: add more helper macro's for (bin_)attribute(_groups)
With the recent changes to sysfs there's various helper macro's. However there's no RW, RO BIN_ helper macro's. This patch adds them. Signed-off-by: Oliver Schinagl <oliver@schinagl.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -17,6 +17,7 @@
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#include <linux/list.h>
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#include <linux/lockdep.h>
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#include <linux/kobject_ns.h>
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#include <linux/stat.h>
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#include <linux/atomic.h>
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struct kobject;
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@ -94,15 +95,18 @@ struct attribute_group {
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#define __ATTR_IGNORE_LOCKDEP __ATTR
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#endif
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#define ATTRIBUTE_GROUPS(name) \
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static const struct attribute_group name##_group = { \
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.attrs = name##_attrs, \
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}; \
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static const struct attribute_group *name##_groups[] = { \
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&name##_group, \
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#define __ATTRIBUTE_GROUPS(_name) \
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static const struct attribute_group *_name##_groups[] = { \
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&_name##_group, \
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NULL, \
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}
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#define ATTRIBUTE_GROUPS(_name) \
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static const struct attribute_group _name##_group = { \
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.attrs = _name##_attrs, \
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}; \
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__ATTRIBUTE_GROUPS(_name)
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#define attr_name(_attr) (_attr).attr.name
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struct file;
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@ -132,15 +136,36 @@ struct bin_attribute {
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*/
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#define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&(bin_attr)->attr)
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/* macro to create static binary attributes easier */
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#define BIN_ATTR(_name, _mode, _read, _write, _size) \
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struct bin_attribute bin_attr_##_name = { \
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.attr = {.name = __stringify(_name), .mode = _mode }, \
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.read = _read, \
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.write = _write, \
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.size = _size, \
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/* macros to create static binary attributes easier */
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#define __BIN_ATTR(_name, _mode, _read, _write, _size) { \
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.attr = { .name = __stringify(_name), .mode = _mode }, \
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.read = _read, \
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.write = _write, \
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.size = _size, \
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}
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#define __BIN_ATTR_RO(_name, _size) { \
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.attr = { .name = __stringify(_name), .mode = S_IRUGO }, \
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.read = _name##_read, \
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.size = _size, \
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}
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#define __BIN_ATTR_RW(_name, _size) __BIN_ATTR(_name, \
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(S_IWUSR | S_IRUGO), _name##_read, \
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_name##_write)
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#define __BIN_ATTR_NULL __ATTR_NULL
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#define BIN_ATTR(_name, _mode, _read, _write, _size) \
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struct bin_attribute bin_attr_##_name = __BIN_ATTR(_name, _mode, _read, \
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_write, _size)
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#define BIN_ATTR_RO(_name, _size) \
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struct bin_attribute bin_attr_##_name = __BIN_ATTR_RO(_name, _size)
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#define BIN_ATTR_RW(_name, _size) \
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struct bin_attribute bin_attr_##_name = __BIN_ATTR_RW(_name, _size)
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struct sysfs_ops {
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ssize_t (*show)(struct kobject *, struct attribute *,char *);
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ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
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