60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
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/*
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*/
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#include <linux/transport_class.h>
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struct raid_template {
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struct transport_container raid_attrs;
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};
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struct raid_function_template {
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void *cookie;
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int (*is_raid)(struct device *);
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void (*get_resync)(struct device *);
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void (*get_state)(struct device *);
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};
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enum raid_state {
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RAID_ACTIVE = 1,
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RAID_DEGRADED,
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RAID_RESYNCING,
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RAID_OFFLINE,
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};
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struct raid_data {
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struct list_head component_list;
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int component_count;
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int level;
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enum raid_state state;
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int resync;
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};
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#define DEFINE_RAID_ATTRIBUTE(type, attr) \
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static inline void \
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raid_set_##attr(struct raid_template *r, struct device *dev, type value) { \
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struct class_device *cdev = \
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attribute_container_find_class_device(&r->raid_attrs.ac, dev);\
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struct raid_data *rd; \
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BUG_ON(!cdev); \
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rd = class_get_devdata(cdev); \
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rd->attr = value; \
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} \
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static inline type \
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raid_get_##attr(struct raid_template *r, struct device *dev) { \
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struct class_device *cdev = \
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attribute_container_find_class_device(&r->raid_attrs.ac, dev);\
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struct raid_data *rd; \
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BUG_ON(!cdev); \
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rd = class_get_devdata(cdev); \
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return rd->attr; \
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}
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DEFINE_RAID_ATTRIBUTE(int, level)
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DEFINE_RAID_ATTRIBUTE(int, resync)
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DEFINE_RAID_ATTRIBUTE(enum raid_state, state)
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struct raid_template *raid_class_attach(struct raid_function_template *);
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void raid_class_release(struct raid_template *);
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void raid_component_add(struct raid_template *, struct device *,
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struct device *);
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