Commit 1138b7e2 authored by Fenghua Yu's avatar Fenghua Yu Committed by Tony Luck
Browse files

[IA64] Itanium MC Error Injection Tool: pal_mc_error_inject() interface 



This patch implements pal_mc_error_inject() interface in kernel. Both physical
mode and virtual mode are supported.

Signed-off-by: default avatarFenghua Yu <fenghua.yu@intel.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 539d517a

include/asm-ia64/pal.h

+33 −0
Original line number Diff line number Diff line
@@ -89,6 +89,8 @@ 
#define PAL_GET_PSTATE_TYPE_AVGNORESET	2

#define PAL_GET_PSTATE_TYPE_INSTANT	3



#define PAL_MC_ERROR_INJECT	276	/* Injects processor error or returns injection capabilities */



#ifndef __ASSEMBLY__



#include <linux/types.h>
@@ -1234,6 +1236,37 @@ ia64_pal_mc_error_info (u64 info_index, u64 type_index, u64 *size, u64 *error_in 
	return iprv.status;

}



/* Injects the requested processor error or returns info on

 * supported injection capabilities for current processor implementation

 */

static inline s64

ia64_pal_mc_error_inject_phys (u64 err_type_info, u64 err_struct_info,

			u64 err_data_buffer, u64 *capabilities, u64 *resources)

{

	struct ia64_pal_retval iprv;

	PAL_CALL_PHYS_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,

			  err_struct_info, err_data_buffer);

	if (capabilities)

		*capabilities= iprv.v0;

	if (resources)

		*resources= iprv.v1;

	return iprv.status;

}



static inline s64

ia64_pal_mc_error_inject_virt (u64 err_type_info, u64 err_struct_info,

			u64 err_data_buffer, u64 *capabilities, u64 *resources)

{

	struct ia64_pal_retval iprv;

	PAL_CALL_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info,

			  err_struct_info, err_data_buffer);

	if (capabilities)

		*capabilities= iprv.v0;

	if (resources)

		*resources= iprv.v1;

	return iprv.status;

}



/* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot

 * attempt to correct any expected machine checks.

 */