X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fraid_class.h;h=6b537f1ac96c1caabf6a86ac57313b61cd963361;hb=13c48c490208d9e70d8d66d56f96c5054db69af7;hp=a71123c282728389fdc9b0e0d2e3d3d6ea44cce2;hpb=d6d3f5bc68be3c4ab84e6f1f9db92291da671504;p=linux-2.6

diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h
index a71123c282..6b537f1ac9 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>
 
@@ -14,46 +19,64 @@ struct raid_function_template {
 };
 
 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_10,
+	RAID_LEVEL_3,
+	RAID_LEVEL_4,
+	RAID_LEVEL_5,
+	RAID_LEVEL_50,
+	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) {    \
-	struct class_device *cdev =					      \
+	struct device *device =						      \
 		attribute_container_find_class_device(&r->raid_attrs.ac, dev);\
 	struct raid_data *rd;						      \
-	BUG_ON(!cdev);							      \
-	rd = class_get_devdata(cdev);					      \
+	BUG_ON(!device);						      \
+	rd = dev_get_drvdata(device);					      \
 	rd->attr = value;						      \
 }									      \
 static inline type							      \
 raid_get_##attr(struct raid_template *r, struct device *dev) {		      \
-	struct class_device *cdev =					      \
+	struct device *device =						      \
 		attribute_container_find_class_device(&r->raid_attrs.ac, dev);\
 	struct raid_data *rd;						      \
-	BUG_ON(!cdev);							      \
-	rd = class_get_devdata(cdev);					      \
+	BUG_ON(!device);						      \
+	rd = dev_get_drvdata(device);					      \
 	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)
 	
 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 *);
+int __must_check raid_component_add(struct raid_template *, struct device *,
+				    struct device *);
+