Send a Change Cache parameters during IOA initialization to enable
Sync Cache by default on adapters that support it.
Signed-off-by: Gabriel Krisman Bertazi <kris...@linux.vnet.ibm.com>
---
iprlib.c | 10 ++++++++++
iprlib.h | 3 +++
2 files changed, 13 insertions(+)
diff --git a/iprlib.c b/iprlib.c
index 609ffe3..7875442 100644
--- a/iprlib.c
+++ b/iprlib.c
@@ -7588,6 +7588,14 @@ int ipr_set_ioa_attr(struct ipr_ioa *ioa, struct
ipr_ioa_attr *attr, int save)
}
}
+ if (ioa->has_vset_write_cache && attr->vset_write_cache &&
+ power_cur_mode != POWER_BAREMETAL) {
+ /* vset cache should not be disabled adapter-wide
+ for any reason. So we don't save the parameter here. */
+ ipr_change_cache_parameters(ioa,
+ IPR_IOA_SET_VSET_CACHE_ENABLED);
+ }
+
get_dual_ioa_state(ioa); /* for preferred_primary */
get_subsys_config(ioa); /* for gscsi_only_ha */
return 0;
@@ -9434,6 +9442,8 @@ static void init_ioa_dev(struct ipr_dev *dev)
attr.active_active = 1;
if (dev->ioa->configure_rebuild_verify)
attr.disable_rebuild_verify = 1;
+ if (dev->ioa->has_vset_write_cache)
+ attr.vset_write_cache = 1;
ipr_modify_ioa_attr(dev->ioa, &attr);
if (ipr_set_ioa_attr(dev->ioa, &attr, 0))
return;
diff --git a/iprlib.h b/iprlib.h
index 33ab390..0856d6c 100644
--- a/iprlib.h
+++ b/iprlib.h
@@ -222,6 +222,8 @@ typedef uint64_t u64;
#define IPR_IOA_SET_CACHING_DISABLED 0x10
#define IPR_IOA_SET_CACHING_DUAL_DISABLED 0x20
#define IPR_IOA_SET_CACHING_DUAL_ENABLED 0x30
+#define IPR_IOA_SET_VSET_CACHE_ENABLED 0x40
+#define IPR_IOA_SET_VSET_CACHE_DISABLED 0x50
#define PHYSICAL_LOCATION_LENGTH 1024
@@ -1407,6 +1409,7 @@ struct ipr_ioa_attr {
int caching;
int rebuild_rate;
int disable_rebuild_verify;
+ int vset_write_cache;
};
#define IPR_DEV_MAX_PATHS 2
--
2.1.0
------------------------------------------------------------------------------
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