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Commit 86db2f42 authored by Russ Anderson's avatar Russ Anderson Committed by Tony Luck
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[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: default avatarRuss Anderson <(rja@sgi.com)>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 0d9adec5

include/asm-ia64/sn/sn_sal.h

+13 −0
Original line number Diff line number Diff line
@@ -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 */