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1ca1d8d5 LO |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM ras | |
3 | ||
4 | #if !defined(_TRACE_AER_H) || defined(TRACE_HEADER_MULTI_READ) | |
5 | #define _TRACE_AER_H | |
6 | ||
7 | #include <linux/tracepoint.h> | |
8 | #include <linux/edac.h> | |
9 | ||
10 | ||
11 | /* | |
12 | * PCIe AER Trace event | |
13 | * | |
14 | * These events are generated when hardware detects a corrected or | |
15 | * uncorrected event on a PCIe device. The event report has | |
16 | * the following structure: | |
17 | * | |
18 | * char * dev_name - The name of the slot where the device resides | |
19 | * ([domain:]bus:device.function). | |
20 | * u32 status - Either the correctable or uncorrectable register | |
21 | * indicating what error or errors have been seen | |
22 | * u8 severity - error severity 0:NONFATAL 1:FATAL 2:CORRECTED | |
23 | */ | |
24 | ||
25 | #define aer_correctable_errors \ | |
26 | {BIT(0), "Receiver Error"}, \ | |
27 | {BIT(6), "Bad TLP"}, \ | |
28 | {BIT(7), "Bad DLLP"}, \ | |
29 | {BIT(8), "RELAY_NUM Rollover"}, \ | |
30 | {BIT(12), "Replay Timer Timeout"}, \ | |
31 | {BIT(13), "Advisory Non-Fatal"} | |
32 | ||
33 | #define aer_uncorrectable_errors \ | |
34 | {BIT(4), "Data Link Protocol"}, \ | |
35 | {BIT(12), "Poisoned TLP"}, \ | |
36 | {BIT(13), "Flow Control Protocol"}, \ | |
37 | {BIT(14), "Completion Timeout"}, \ | |
38 | {BIT(15), "Completer Abort"}, \ | |
39 | {BIT(16), "Unexpected Completion"}, \ | |
40 | {BIT(17), "Receiver Overflow"}, \ | |
41 | {BIT(18), "Malformed TLP"}, \ | |
42 | {BIT(19), "ECRC"}, \ | |
43 | {BIT(20), "Unsupported Request"} | |
44 | ||
45 | TRACE_EVENT(aer_event, | |
46 | TP_PROTO(const char *dev_name, | |
47 | const u32 status, | |
48 | const u8 severity), | |
49 | ||
50 | TP_ARGS(dev_name, status, severity), | |
51 | ||
52 | TP_STRUCT__entry( | |
53 | __string( dev_name, dev_name ) | |
54 | __field( u32, status ) | |
55 | __field( u8, severity ) | |
56 | ), | |
57 | ||
58 | TP_fast_assign( | |
59 | __assign_str(dev_name, dev_name); | |
60 | __entry->status = status; | |
61 | __entry->severity = severity; | |
62 | ), | |
63 | ||
64 | TP_printk("%s PCIe Bus Error: severity=%s, %s\n", | |
65 | __get_str(dev_name), | |
66 | __entry->severity == HW_EVENT_ERR_CORRECTED ? "Corrected" : | |
67 | __entry->severity == HW_EVENT_ERR_FATAL ? | |
68 | "Fatal" : "Uncorrected", | |
69 | __entry->severity == HW_EVENT_ERR_CORRECTED ? | |
70 | __print_flags(__entry->status, "|", aer_correctable_errors) : | |
71 | __print_flags(__entry->status, "|", aer_uncorrectable_errors)) | |
72 | ); | |
73 | ||
74 | #endif /* _TRACE_AER_H */ | |
75 | ||
76 | /* This part must be outside protection */ | |
77 | #include <trace/define_trace.h> |