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#undef TRACE_SYSTEM #define TRACE_SYSTEM ras #if !defined(_TRACE_AER_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_AER_H #include <linux/tracepoint.h> #include <linux/edac.h> /* * 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 \ {BIT(0), "Receiver Error"}, \ {BIT(6), "Bad TLP"}, \ {BIT(7), "Bad DLLP"}, \ {BIT(8), "RELAY_NUM Rollover"}, \ {BIT(12), "Replay Timer Timeout"}, \ {BIT(13), "Advisory Non-Fatal"} #define aer_uncorrectable_errors \ {BIT(4), "Data Link Protocol"}, \ {BIT(12), "Poisoned TLP"}, \ {BIT(13), "Flow Control Protocol"}, \ {BIT(14), "Completion Timeout"}, \ {BIT(15), "Completer Abort"}, \ {BIT(16), "Unexpected Completion"}, \ {BIT(17), "Receiver Overflow"}, \ {BIT(18), "Malformed TLP"}, \ {BIT(19), "ECRC"}, \ {BIT(20), "Unsupported Request"} 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\n", __get_str(dev_name), __entry->severity == HW_EVENT_ERR_CORRECTED ? "Corrected" : __entry->severity == HW_EVENT_ERR_FATAL ? "Fatal" : "Uncorrected", __entry->severity == HW_EVENT_ERR_CORRECTED ? __print_flags(__entry->status, "|", aer_correctable_errors) : __print_flags(__entry->status, "|", aer_uncorrectable_errors)) ); #endif /* _TRACE_AER_H */ /* This part must be outside protection */ #include <trace/define_trace.h>