aboutsummaryrefslogtreecommitdiff
path: root/include/trace/events/ras.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/trace/events/ras.h')
-rw-r--r--include/trace/events/ras.h77
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 000000000000..88b878383797
--- /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>