[SCSI] raid class update
- Update raid class to use nested classes for raid components (this will
allow us to move to a component control model now)
- Make the raid level an enumeration rather than and int.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h
index a71123c..48831ea 100644
--- a/include/linux/raid_class.h
+++ b/include/linux/raid_class.h
@@ -1,4 +1,9 @@
/*
+ * raid_class.h - a generic raid visualisation class
+ *
+ * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
+ *
+ * This file is licensed under GPLv2
*/
#include <linux/transport_class.h>
@@ -14,20 +19,35 @@
};
enum raid_state {
- RAID_ACTIVE = 1,
- RAID_DEGRADED,
- RAID_RESYNCING,
- RAID_OFFLINE,
+ RAID_STATE_UNKNOWN = 0,
+ RAID_STATE_ACTIVE,
+ RAID_STATE_DEGRADED,
+ RAID_STATE_RESYNCING,
+ RAID_STATE_OFFLINE,
+};
+
+enum raid_level {
+ RAID_LEVEL_UNKNOWN = 0,
+ RAID_LEVEL_LINEAR,
+ RAID_LEVEL_0,
+ RAID_LEVEL_1,
+ RAID_LEVEL_3,
+ RAID_LEVEL_4,
+ RAID_LEVEL_5,
+ RAID_LEVEL_6,
};
struct raid_data {
struct list_head component_list;
int component_count;
- int level;
+ enum raid_level level;
enum raid_state state;
int resync;
};
+/* resync complete goes from 0 to this */
+#define RAID_MAX_RESYNC (10000)
+
#define DEFINE_RAID_ATTRIBUTE(type, attr) \
static inline void \
raid_set_##attr(struct raid_template *r, struct device *dev, type value) { \
@@ -48,7 +68,7 @@
return rd->attr; \
}
-DEFINE_RAID_ATTRIBUTE(int, level)
+DEFINE_RAID_ATTRIBUTE(enum raid_level, level)
DEFINE_RAID_ATTRIBUTE(int, resync)
DEFINE_RAID_ATTRIBUTE(enum raid_state, state)