diff options
Diffstat (limited to 'include/ras')
| -rw-r--r-- | include/ras/ras_event.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h index 21cdb0b7b0fb..acbcbb88eaaa 100644 --- a/include/ras/ras_event.h +++ b/include/ras/ras_event.h @@ -8,6 +8,7 @@ #include <linux/tracepoint.h> #include <linux/edac.h> #include <linux/ktime.h> +#include <linux/aer.h> /* * Hardware Events Report @@ -94,6 +95,69 @@ TRACE_EVENT(mc_event, __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 \ + {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 == 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)) +); + #endif /* _TRACE_HW_EVENT_MC_H */ /* This part must be outside protection */ |