#undef TRACE_SYSTEM
  #define TRACE_SYSTEM ras
  #define TRACE_INCLUDE_FILE ras_event
  
  #if !defined(_TRACE_HW_EVENT_MC_H) || defined(TRACE_HEADER_MULTI_READ)
  #define _TRACE_HW_EVENT_MC_H
  
  #include <linux/tracepoint.h>
  #include <linux/edac.h>
  #include <linux/ktime.h>

  #include <linux/pci.h>

  #include <linux/aer.h>

  #include <linux/cper.h>

  #include <linux/mm.h>

  
  /*
   * MCE Extended Error Log trace event
   *
   * These events are generated when hardware detects a corrected or
   * uncorrected event.
   */
  
  /* memory trace event */
  
  #if defined(CONFIG_ACPI_EXTLOG) || defined(CONFIG_ACPI_EXTLOG_MODULE)
  TRACE_EVENT(extlog_mem_event,
  	TP_PROTO(struct cper_sec_mem_err *mem,
  		 u32 err_seq,
  		 const uuid_le *fru_id,
  		 const char *fru_text,
  		 u8 sev),
  
  	TP_ARGS(mem, err_seq, fru_id, fru_text, sev),
  
  	TP_STRUCT__entry(
  		__field(u32, err_seq)
  		__field(u8, etype)
  		__field(u8, sev)
  		__field(u64, pa)
  		__field(u8, pa_mask_lsb)
  		__field_struct(uuid_le, fru_id)
  		__string(fru_text, fru_text)
  		__field_struct(struct cper_mem_err_compact, data)
  	),
  
  	TP_fast_assign(
  		__entry->err_seq = err_seq;
  		if (mem->validation_bits & CPER_MEM_VALID_ERROR_TYPE)
  			__entry->etype = mem->error_type;
  		else
  			__entry->etype = ~0;
  		__entry->sev = sev;
  		if (mem->validation_bits & CPER_MEM_VALID_PA)
  			__entry->pa = mem->physical_addr;
  		else
  			__entry->pa = ~0ull;
  
  		if (mem->validation_bits & CPER_MEM_VALID_PA_MASK)
  			__entry->pa_mask_lsb = (u8)__ffs64(mem->physical_addr_mask);
  		else
  			__entry->pa_mask_lsb = ~0;
  		__entry->fru_id = *fru_id;
  		__assign_str(fru_text, fru_text);
  		cper_mem_err_pack(mem, &__entry->data);
  	),
  
  	TP_printk("{%d} %s error: %s physical addr: %016llx (mask lsb: %x) %sFRU: %pUl %.20s",
  		  __entry->err_seq,
  		  cper_severity_str(__entry->sev),
  		  cper_mem_err_type_str(__entry->etype),
  		  __entry->pa,
  		  __entry->pa_mask_lsb,
  		  cper_mem_err_unpack(p, &__entry->data),
  		  &__entry->fru_id,
  		  __get_str(fru_text))
  );
  #endif

  
  /*
   * Hardware Events Report
   *
   * Those events are generated when hardware detected a corrected or
   * uncorrected event, and are meant to replace the current API to report
   * errors defined on both EDAC and MCE subsystems.
   *
   * FIXME: Add events for handling memory errors originated from the
   *        MCE subsystem.
   */
  
  /*
   * Hardware-independent Memory Controller specific events
   */
  
  /*
   * Default error mechanisms for Memory Controller errors (CE and UE)
   */
  TRACE_EVENT(mc_event,
  
  	TP_PROTO(const unsigned int err_type,
  		 const char *error_msg,
  		 const char *label,
  		 const int error_count,
  		 const u8 mc_index,
  		 const s8 top_layer,
  		 const s8 mid_layer,
  		 const s8 low_layer,
  		 unsigned long address,
  		 const u8 grain_bits,
  		 unsigned long syndrome,
  		 const char *driver_detail),
  
  	TP_ARGS(err_type, error_msg, label, error_count, mc_index,
  		top_layer, mid_layer, low_layer, address, grain_bits,
  		syndrome, driver_detail),
  
  	TP_STRUCT__entry(
  		__field(	unsigned int,	error_type		)
  		__string(	msg,		error_msg		)
  		__string(	label,		label			)
  		__field(	u16,		error_count		)
  		__field(	u8,		mc_index		)
  		__field(	s8,		top_layer		)
  		__field(	s8,		middle_layer		)
  		__field(	s8,		lower_layer		)
  		__field(	long,		address			)
  		__field(	u8,		grain_bits		)
  		__field(	long,		syndrome		)
  		__string(	driver_detail,	driver_detail		)
  	),
  
  	TP_fast_assign(
  		__entry->error_type		= err_type;
  		__assign_str(msg, error_msg);
  		__assign_str(label, label);
  		__entry->error_count		= error_count;
  		__entry->mc_index		= mc_index;
  		__entry->top_layer		= top_layer;
  		__entry->middle_layer		= mid_layer;
  		__entry->lower_layer		= low_layer;
  		__entry->address		= address;
  		__entry->grain_bits		= grain_bits;
  		__entry->syndrome		= syndrome;
  		__assign_str(driver_detail, driver_detail);
  	),
  
  	TP_printk("%d %s error%s:%s%s on %s (mc:%d location:%d:%d:%d address:0x%08lx grain:%d syndrome:0x%08lx%s%s)",
  		  __entry->error_count,

  		  mc_event_error_type(__entry->error_type),

  		  __entry->error_count > 1 ? "s" : "",

  		  __get_str(msg)[0] ? " " : "",

  		  __get_str(msg),
  		  __get_str(label),
  		  __entry->mc_index,
  		  __entry->top_layer,
  		  __entry->middle_layer,
  		  __entry->lower_layer,
  		  __entry->address,
  		  1 << __entry->grain_bits,
  		  __entry->syndrome,

  		  __get_str(driver_detail)[0] ? " " : "",

  		  __get_str(driver_detail))
  );

  /*
   * PCIe AER Trace event
   *
   * These events are generated when hardware detects a corrected or
   * uncorrected event on a PCIe device. The event report has
   * the following structure:
   *
   * char * dev_name -	The name of the slot where the device resides
   *			([domain:]bus:device.function).
   * u32 status -		Either the correctable or uncorrectable register
   *			indicating what error or errors have been seen
   * u8 severity -	error severity 0:NONFATAL 1:FATAL 2:CORRECTED
   */

  #define aer_correctable_errors					\
  	{PCI_ERR_COR_RCVR,	"Receiver Error"},		\
  	{PCI_ERR_COR_BAD_TLP,	"Bad TLP"},			\
  	{PCI_ERR_COR_BAD_DLLP,	"Bad DLLP"},			\
  	{PCI_ERR_COR_REP_ROLL,	"RELAY_NUM Rollover"},		\
  	{PCI_ERR_COR_REP_TIMER,	"Replay Timer Timeout"},	\
  	{PCI_ERR_COR_ADV_NFAT,	"Advisory Non-Fatal Error"},	\
  	{PCI_ERR_COR_INTERNAL,	"Corrected Internal Error"},	\
  	{PCI_ERR_COR_LOG_OVER,	"Header Log Overflow"}
  
  #define aer_uncorrectable_errors				\

  	{PCI_ERR_UNC_UND,	"Undefined"},			\

  	{PCI_ERR_UNC_DLP,	"Data Link Protocol Error"},	\
  	{PCI_ERR_UNC_SURPDN,	"Surprise Down Error"},		\

  	{PCI_ERR_UNC_POISON_TLP,"Poisoned TLP"},		\

  	{PCI_ERR_UNC_FCP,	"Flow Control Protocol Error"},	\

  	{PCI_ERR_UNC_COMP_TIME,	"Completion Timeout"},		\
  	{PCI_ERR_UNC_COMP_ABORT,"Completer Abort"},		\
  	{PCI_ERR_UNC_UNX_COMP,	"Unexpected Completion"},	\
  	{PCI_ERR_UNC_RX_OVER,	"Receiver Overflow"},		\
  	{PCI_ERR_UNC_MALF_TLP,	"Malformed TLP"},		\

  	{PCI_ERR_UNC_ECRC,	"ECRC Error"},			\
  	{PCI_ERR_UNC_UNSUP,	"Unsupported Request Error"},	\
  	{PCI_ERR_UNC_ACSV,	"ACS Violation"},		\
  	{PCI_ERR_UNC_INTN,	"Uncorrectable Internal Error"},\
  	{PCI_ERR_UNC_MCBTLP,	"MC Blocked TLP"},		\
  	{PCI_ERR_UNC_ATOMEG,	"AtomicOp Egress Blocked"},	\
  	{PCI_ERR_UNC_TLPPRE,	"TLP Prefix Blocked Error"}

  
  TRACE_EVENT(aer_event,
  	TP_PROTO(const char *dev_name,
  		 const u32 status,
  		 const u8 severity),
  
  	TP_ARGS(dev_name, status, severity),
  
  	TP_STRUCT__entry(
  		__string(	dev_name,	dev_name	)
  		__field(	u32,		status		)
  		__field(	u8,		severity	)
  	),
  
  	TP_fast_assign(
  		__assign_str(dev_name, dev_name);
  		__entry->status		= status;
  		__entry->severity	= severity;
  	),
  
  	TP_printk("%s PCIe Bus Error: severity=%s, %s
  ",
  		__get_str(dev_name),
  		__entry->severity == AER_CORRECTABLE ? "Corrected" :
  			__entry->severity == AER_FATAL ?
  			"Fatal" : "Uncorrected, non-fatal",
  		__entry->severity == AER_CORRECTABLE ?
  		__print_flags(__entry->status, "|", aer_correctable_errors) :
  		__print_flags(__entry->status, "|", aer_uncorrectable_errors))
  );

  /*
   * memory-failure recovery action result event
   *
   * unsigned long pfn -	Page Frame Number of the corrupted page
   * int type	-	Page types of the corrupted page
   * int result	-	Result of recovery action
   */
  
  #ifdef CONFIG_MEMORY_FAILURE
  #define MF_ACTION_RESULT	\
  	EM ( MF_IGNORED, "Ignored" )	\
  	EM ( MF_FAILED,  "Failed" )	\
  	EM ( MF_DELAYED, "Delayed" )	\
  	EMe ( MF_RECOVERED, "Recovered" )
  
  #define MF_PAGE_TYPE		\
  	EM ( MF_MSG_KERNEL, "reserved kernel page" )			\
  	EM ( MF_MSG_KERNEL_HIGH_ORDER, "high-order kernel page" )	\
  	EM ( MF_MSG_SLAB, "kernel slab page" )				\
  	EM ( MF_MSG_DIFFERENT_COMPOUND, "different compound page after locking" ) \
  	EM ( MF_MSG_POISONED_HUGE, "huge page already hardware poisoned" )	\
  	EM ( MF_MSG_HUGE, "huge page" )					\
  	EM ( MF_MSG_FREE_HUGE, "free huge page" )			\
  	EM ( MF_MSG_UNMAP_FAILED, "unmapping failed page" )		\
  	EM ( MF_MSG_DIRTY_SWAPCACHE, "dirty swapcache page" )		\
  	EM ( MF_MSG_CLEAN_SWAPCACHE, "clean swapcache page" )		\
  	EM ( MF_MSG_DIRTY_MLOCKED_LRU, "dirty mlocked LRU page" )	\
  	EM ( MF_MSG_CLEAN_MLOCKED_LRU, "clean mlocked LRU page" )	\
  	EM ( MF_MSG_DIRTY_UNEVICTABLE_LRU, "dirty unevictable LRU page" )	\
  	EM ( MF_MSG_CLEAN_UNEVICTABLE_LRU, "clean unevictable LRU page" )	\
  	EM ( MF_MSG_DIRTY_LRU, "dirty LRU page" )			\
  	EM ( MF_MSG_CLEAN_LRU, "clean LRU page" )			\
  	EM ( MF_MSG_TRUNCATED_LRU, "already truncated LRU page" )	\
  	EM ( MF_MSG_BUDDY, "free buddy page" )				\
  	EM ( MF_MSG_BUDDY_2ND, "free buddy page (2nd try)" )		\
  	EMe ( MF_MSG_UNKNOWN, "unknown page" )
  
  /*
   * First define the enums in MM_ACTION_RESULT to be exported to userspace
   * via TRACE_DEFINE_ENUM().
   */
  #undef EM
  #undef EMe
  #define EM(a, b) TRACE_DEFINE_ENUM(a);
  #define EMe(a, b)	TRACE_DEFINE_ENUM(a);
  
  MF_ACTION_RESULT
  MF_PAGE_TYPE
  
  /*
   * Now redefine the EM() and EMe() macros to map the enums to the strings
   * that will be printed in the output.
   */
  #undef EM
  #undef EMe
  #define EM(a, b)		{ a, b },
  #define EMe(a, b)	{ a, b }
  
  TRACE_EVENT(memory_failure_event,
  	TP_PROTO(unsigned long pfn,
  		 int type,
  		 int result),
  
  	TP_ARGS(pfn, type, result),
  
  	TP_STRUCT__entry(
  		__field(unsigned long, pfn)
  		__field(int, type)
  		__field(int, result)
  	),
  
  	TP_fast_assign(
  		__entry->pfn	= pfn;
  		__entry->type	= type;
  		__entry->result	= result;
  	),
  
  	TP_printk("pfn %#lx: recovery action for %s: %s",
  		__entry->pfn,
  		__print_symbolic(__entry->type, MF_PAGE_TYPE),
  		__print_symbolic(__entry->result, MF_ACTION_RESULT)
  	)
  );
  #endif /* CONFIG_MEMORY_FAILURE */

  #endif /* _TRACE_HW_EVENT_MC_H */
  
  /* This part must be outside protection */
  #include <trace/define_trace.h>