diff options
Diffstat (limited to 'include/trace/events/ras.h')
| -rw-r--r-- | include/trace/events/ras.h | 77 | 
1 files changed, 77 insertions, 0 deletions
diff --git a/include/trace/events/ras.h b/include/trace/events/ras.h new file mode 100644 index 00000000000..88b87838379 --- /dev/null +++ b/include/trace/events/ras.h @@ -0,0 +1,77 @@ +#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>  |