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authorRuss Anderson <rja@efs.americas.sgi.com>2006-04-20 17:05:43 -0700
committerTony Luck <tony.luck@intel.com>2006-04-20 17:05:43 -0700
commit86db2f4239e2556cd37b853c2307aa9d43041458 (patch)
tree5c2910e20bc35d46bd82fa7f0d1f4e4362b2a457
parent0d9adec525b87d8ab7e64efeabffb5b3f293056e (diff)
[IA64-SGI] SN SAL call to inject memory errors
The SGI Altix SAL provides an interface for modifying the ECC on memory to create memory errors. The SAL call can be used to inject memory errors for testing MCA recovery code. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
-rw-r--r--include/asm-ia64/sn/sn_sal.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index 7ddce80e191..51aca022cf3 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -85,6 +85,7 @@
#define SN_SAL_GET_PROM_FEATURE_SET 0x02000065
#define SN_SAL_SET_OS_FEATURE_SET 0x02000066
+#define SN_SAL_INJECT_ERROR 0x02000067
/*
* Service-specific constants
@@ -1138,4 +1139,16 @@ ia64_sn_set_os_feature(int feature)
return rv.status;
}
+static inline int
+sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
+{
+ struct ia64_sal_retval ret_stuff;
+ unsigned long irq_flags;
+
+ local_irq_save(irq_flags);
+ ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
+ (u64)ecc, 0, 0, 0, 0);
+ local_irq_restore(irq_flags);
+ return ret_stuff.status;
+}
#endif /* _ASM_IA64_SN_SN_SAL_H */