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[IA64-SGI] SN SAL call to inject memory errors

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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 ([email protected])
Signed-off-by: Tony Luck <[email protected]>
This commit is contained in:
Russ Anderson 2006-04-20 17:05:43 -07:00 • committed by Tony Luck
commit 86db2f4239
1 changed files with 13 additions and 0 deletions
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13
include/asm-ia64/sn/sn_sal.h
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@ -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 */