diff options
author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-09 20:14:47 -0500 |
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committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-09 20:14:47 -0500 |
commit | d344c5e0856ad03278d8700b503762dbc8b86e12 (patch) | |
tree | a6d893a643470a3c2580a58f3228a55fa1fd1d82 /include/linux/raid_class.h | |
parent | 010988e888a0abbe7118635c1b33d049caae6b29 (diff) | |
parent | 87fc767b832ef5a681a0ff9d203c3289bc3be2bf (diff) |
Manual merge with Linus
Diffstat (limited to 'include/linux/raid_class.h')
-rw-r--r-- | include/linux/raid_class.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h new file mode 100644 index 00000000000..a71123c2827 --- /dev/null +++ b/include/linux/raid_class.h @@ -0,0 +1,59 @@ +/* + */ +#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 *); |