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[SCSI] ipr: implement shutdown changes and remove obsolete write cache parameter

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This patch adds a reboot notifier that will issue a shutdown prepare command
to all adapters.  This helps to prevent a problem where the primary adapter can
get shut down before the secondary adapter and cause the secondary adapter to
fail over and log and error.
This patch also removes the "enable_cache" paramater as it is obsolete.  Write
cache for an adapter is now controlled from the iprconfig utility.

Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Wayne Boyer
2010-02-19 13:24:21 -08:00
committed by James Bottomley
parent dcbad00e6b
commit f72919ec2b
2 changed files with 66 additions and 152 deletions
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10
drivers/scsi/ipr.h
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@@ -136,7 +136,7 @@
/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
#define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \
((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS
#define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \
@@ -1284,13 +1284,6 @@ enum ipr_sdt_state {
DUMP_OBTAINED
};
enum ipr_cache_state {
CACHE_NONE,
CACHE_DISABLED,
CACHE_ENABLED,
CACHE_INVALID
};
/* Per-controller data */
struct ipr_ioa_cfg {
char eye_catcher[8];
@@ -1321,7 +1314,6 @@ struct ipr_ioa_cfg {
unsigned long *array_ids;
unsigned long *vset_ids;
enum ipr_cache_state cache_state;
u16 type; /* CCIN of the card */
u8 log_level;