#ifndef _EDAC_MCE_AMD_H
  #define _EDAC_MCE_AMD_H

  #include <linux/notifier.h>

  #include <asm/mce.h>

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

  #define EC(x)				((x) & 0xffff)
  #define XEC(x, mask)			(((x) >> 16) & mask)

  #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)]

  #define LL(x)				((x) & 0x3)

  #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)]

  #define R4(x)				(((x) >> 4) & 0xf)
  #define R4_MSG(x)			((R4(x) < 9) ?  rrrr_msgs[R4(x)] : "Wrong R4!")

  /*
   * F3x4C bits (MCi_STATUS' high half)
   */

  #define NBSH_ERR_CPU_VAL		BIT(24)

  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,
  };

  extern const char *tt_msgs[];
  extern const char *ll_msgs[];
  extern const char *rrrr_msgs[];
  extern const char *pp_msgs[];
  extern const char *to_msgs[];
  extern const char *ii_msgs[];

  
  /*

   * per-family decoder ops
   */
  struct amd_decoder_ops {

  	bool (*dc_mce)(u16, u8);

  	bool (*ic_mce)(u16, u8);

  	bool (*nb_mce)(u16, u8);

  };

  void amd_report_gart_errors(bool);

  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 *);

  int amd_decode_mce(struct notifier_block *nb, unsigned long val, void *data);

  
  #endif /* _EDAC_MCE_AMD_H */