raid_class.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:2k
- /*
- */
- #include <linux/transport_class.h>
- struct raid_template {
- struct transport_container raid_attrs;
- };
- struct raid_function_template {
- void *cookie;
- int (*is_raid)(struct device *);
- void (*get_resync)(struct device *);
- void (*get_state)(struct device *);
- };
- enum raid_state {
- RAID_ACTIVE = 1,
- RAID_DEGRADED,
- RAID_RESYNCING,
- RAID_OFFLINE,
- };
- struct raid_data {
- struct list_head component_list;
- int component_count;
- int level;
- enum raid_state state;
- int resync;
- };
- #define DEFINE_RAID_ATTRIBUTE(type, attr)
- static inline void
- raid_set_##attr(struct raid_template *r, struct device *dev, type value) {
- struct class_device *cdev =
- attribute_container_find_class_device(&r->raid_attrs.ac, dev);
- struct raid_data *rd;
- BUG_ON(!cdev);
- rd = class_get_devdata(cdev);
- rd->attr = value;
- }
- static inline type
- raid_get_##attr(struct raid_template *r, struct device *dev) {
- struct class_device *cdev =
- attribute_container_find_class_device(&r->raid_attrs.ac, dev);
- struct raid_data *rd;
- BUG_ON(!cdev);
- rd = class_get_devdata(cdev);
- return rd->attr;
- }
- DEFINE_RAID_ATTRIBUTE(int, level)
- DEFINE_RAID_ATTRIBUTE(int, resync)
- DEFINE_RAID_ATTRIBUTE(enum raid_state, state)
-
- struct raid_template *raid_class_attach(struct raid_function_template *);
- void raid_class_release(struct raid_template *);
- void raid_component_add(struct raid_template *, struct device *,
- struct device *);