diff options
| author | James Bottomley <James.Bottomley@steeleye.com> | 2005-11-06 11:59:08 -0600 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2005-11-06 12:32:31 -0600 |
| commit | b1081ea6f000dee6dba288f9fab9df902802b25b (patch) | |
| tree | 992c2419987d40e7fb9d888b5ab852c091acc31b /include/linux/raid_class.h | |
| parent | df133c212ef82b9c7e80fca7b1f87dad8a05de3c (diff) | |
| download | lwn-b1081ea6f000dee6dba288f9fab9df902802b25b.tar.gz lwn-b1081ea6f000dee6dba288f9fab9df902802b25b.zip | |
[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>
Diffstat (limited to 'include/linux/raid_class.h')
| -rw-r--r-- | include/linux/raid_class.h | 32 |
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 @@ /* + * 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 @@ 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_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 @@ raid_get_##attr(struct raid_template *r, struct device *dev) { \ 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) |