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-rw-r--r--include/linux/raid_class.h32
1 files changed, 26 insertions, 6 deletions
diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h
index a71123c28272..48831eac2910 100644
--- a/include/linux/raid_class.h
+++ b/include/linux/raid_class.h
@@ -1,4 +1,9 @@
1/* 1/*
2 * raid_class.h - a generic raid visualisation class
3 *
4 * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
5 *
6 * This file is licensed under GPLv2
2 */ 7 */
3#include <linux/transport_class.h> 8#include <linux/transport_class.h>
4 9
@@ -14,20 +19,35 @@ struct raid_function_template {
14}; 19};
15 20
16enum raid_state { 21enum raid_state {
17 RAID_ACTIVE = 1, 22 RAID_STATE_UNKNOWN = 0,
18 RAID_DEGRADED, 23 RAID_STATE_ACTIVE,
19 RAID_RESYNCING, 24 RAID_STATE_DEGRADED,
20 RAID_OFFLINE, 25 RAID_STATE_RESYNCING,
26 RAID_STATE_OFFLINE,
27};
28
29enum raid_level {
30 RAID_LEVEL_UNKNOWN = 0,
31 RAID_LEVEL_LINEAR,
32 RAID_LEVEL_0,
33 RAID_LEVEL_1,
34 RAID_LEVEL_3,
35 RAID_LEVEL_4,
36 RAID_LEVEL_5,
37 RAID_LEVEL_6,
21}; 38};
22 39
23struct raid_data { 40struct raid_data {
24 struct list_head component_list; 41 struct list_head component_list;
25 int component_count; 42 int component_count;
26 int level; 43 enum raid_level level;
27 enum raid_state state; 44 enum raid_state state;
28 int resync; 45 int resync;
29}; 46};
30 47
48/* resync complete goes from 0 to this */
49#define RAID_MAX_RESYNC (10000)
50
31#define DEFINE_RAID_ATTRIBUTE(type, attr) \ 51#define DEFINE_RAID_ATTRIBUTE(type, attr) \
32static inline void \ 52static inline void \
33raid_set_##attr(struct raid_template *r, struct device *dev, type value) { \ 53raid_set_##attr(struct raid_template *r, struct device *dev, type value) { \
@@ -48,7 +68,7 @@ raid_get_##attr(struct raid_template *r, struct device *dev) { \
48 return rd->attr; \ 68 return rd->attr; \
49} 69}
50 70
51DEFINE_RAID_ATTRIBUTE(int, level) 71DEFINE_RAID_ATTRIBUTE(enum raid_level, level)
52DEFINE_RAID_ATTRIBUTE(int, resync) 72DEFINE_RAID_ATTRIBUTE(int, resync)
53DEFINE_RAID_ATTRIBUTE(enum raid_state, state) 73DEFINE_RAID_ATTRIBUTE(enum raid_state, state)
54 74