mce_amd.h 1.9 KB
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#ifndef _EDAC_MCE_AMD_H
#define _EDAC_MCE_AMD_H

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#include <linux/notifier.h>

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#include <asm/mce.h>

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#define BIT_64(n)			(U64_C(1) << (n))

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#define EC(x)				((x) & 0xffff)
#define XEC(x, mask)			(((x) >> 16) & mask)
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#define LOW_SYNDROME(x)			(((x) >> 15) & 0xff)
#define HIGH_SYNDROME(x)		(((x) >> 24) & 0xff)

#define TLB_ERROR(x)			(((x) & 0xFFF0) == 0x0010)
#define MEM_ERROR(x)			(((x) & 0xFF00) == 0x0100)
#define BUS_ERROR(x)			(((x) & 0xF800) == 0x0800)

#define TT(x)				(((x) >> 2) & 0x3)
#define TT_MSG(x)			tt_msgs[TT(x)]
#define II(x)				(((x) >> 2) & 0x3)
#define II_MSG(x)			ii_msgs[II(x)]
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#define LL(x)				((x) & 0x3)
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#define LL_MSG(x)			ll_msgs[LL(x)]
#define TO(x)				(((x) >> 8) & 0x1)
#define TO_MSG(x)			to_msgs[TO(x)]
#define PP(x)				(((x) >> 9) & 0x3)
#define PP_MSG(x)			pp_msgs[PP(x)]

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#define R4(x)				(((x) >> 4) & 0xf)
#define R4_MSG(x)			((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")
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/*
 * F3x4C bits (MCi_STATUS' high half)
 */
#define NBSH_ERR_CPU_VAL		BIT(24)
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enum tt_ids {
	TT_INSTR = 0,
	TT_DATA,
	TT_GEN,
	TT_RESV,
};

enum ll_ids {
	LL_RESV = 0,
	LL_L1,
	LL_L2,
	LL_LG,
};

enum ii_ids {
	II_MEM = 0,
	II_RESV,
	II_IO,
	II_GEN,
};

enum rrrr_ids {
	R4_GEN	= 0,
	R4_RD,
	R4_WR,
	R4_DRD,
	R4_DWR,
	R4_IRD,
	R4_PREF,
	R4_EVICT,
	R4_SNOOP,
};

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extern const char * const tt_msgs[];
extern const char * const ll_msgs[];
extern const char * const rrrr_msgs[];
extern const char * const pp_msgs[];
extern const char * const to_msgs[];
extern const char * const ii_msgs[];
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/*
 * per-family decoder ops
 */
struct amd_decoder_ops {
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	bool (*dc_mce)(u16, u8);
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	bool (*ic_mce)(u16, u8);
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};

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void amd_report_gart_errors(bool);
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void amd_register_ecc_decoder(void (*f)(int, struct mce *));
void amd_unregister_ecc_decoder(void (*f)(int, struct mce *));
void amd_decode_nb_mce(struct mce *);
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int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);
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#endif /* _EDAC_MCE_AMD_H */