[IA64-SGI] SN SAL call to inject memory errors (86db2f42) · Commits · 戴 / test

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>

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 */

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