xref: /linux/include/ras/ras_event.h (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM ras
3 #define TRACE_INCLUDE_FILE ras_event
4 
5 #if !defined(_TRACE_HW_EVENT_MC_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_HW_EVENT_MC_H
7 
8 #include <linux/tracepoint.h>
9 #include <linux/edac.h>
10 #include <linux/ktime.h>
11 
12 /*
13  * Hardware Events Report
14  *
15  * Those events are generated when hardware detected a corrected or
16  * uncorrected event, and are meant to replace the current API to report
17  * errors defined on both EDAC and MCE subsystems.
18  *
19  * FIXME: Add events for handling memory errors originated from the
20  *        MCE subsystem.
21  */
22 
23 /*
24  * Hardware-independent Memory Controller specific events
25  */
26 
27 /*
28  * Default error mechanisms for Memory Controller errors (CE and UE)
29  */
30 TRACE_EVENT(mc_event,
31 
32 	TP_PROTO(const unsigned int err_type,
33 		 const char *error_msg,
34 		 const char *label,
35 		 const int error_count,
36 		 const u8 mc_index,
37 		 const s8 top_layer,
38 		 const s8 mid_layer,
39 		 const s8 low_layer,
40 		 unsigned long address,
41 		 const u8 grain_bits,
42 		 unsigned long syndrome,
43 		 const char *driver_detail),
44 
45 	TP_ARGS(err_type, error_msg, label, error_count, mc_index,
46 		top_layer, mid_layer, low_layer, address, grain_bits,
47 		syndrome, driver_detail),
48 
49 	TP_STRUCT__entry(
50 		__field(	unsigned int,	error_type		)
51 		__string(	msg,		error_msg		)
52 		__string(	label,		label			)
53 		__field(	u16,		error_count		)
54 		__field(	u8,		mc_index		)
55 		__field(	s8,		top_layer		)
56 		__field(	s8,		middle_layer		)
57 		__field(	s8,		lower_layer		)
58 		__field(	long,		address			)
59 		__field(	u8,		grain_bits		)
60 		__field(	long,		syndrome		)
61 		__string(	driver_detail,	driver_detail		)
62 	),
63 
64 	TP_fast_assign(
65 		__entry->error_type		= err_type;
66 		__assign_str(msg, error_msg);
67 		__assign_str(label, label);
68 		__entry->error_count		= error_count;
69 		__entry->mc_index		= mc_index;
70 		__entry->top_layer		= top_layer;
71 		__entry->middle_layer		= mid_layer;
72 		__entry->lower_layer		= low_layer;
73 		__entry->address		= address;
74 		__entry->grain_bits		= grain_bits;
75 		__entry->syndrome		= syndrome;
76 		__assign_str(driver_detail, driver_detail);
77 	),
78 
79 	TP_printk("%d %s error%s:%s%s on %s (mc:%d location:%d:%d:%d address:0x%08lx grain:%d syndrome:0x%08lx%s%s)",
80 		  __entry->error_count,
81 		  (__entry->error_type == HW_EVENT_ERR_CORRECTED) ? "Corrected" :
82 			((__entry->error_type == HW_EVENT_ERR_FATAL) ?
83 			"Fatal" : "Uncorrected"),
84 		  __entry->error_count > 1 ? "s" : "",
85 		  ((char *)__get_str(msg))[0] ? " " : "",
86 		  __get_str(msg),
87 		  __get_str(label),
88 		  __entry->mc_index,
89 		  __entry->top_layer,
90 		  __entry->middle_layer,
91 		  __entry->lower_layer,
92 		  __entry->address,
93 		  1 << __entry->grain_bits,
94 		  __entry->syndrome,
95 		  ((char *)__get_str(driver_detail))[0] ? " " : "",
96 		  __get_str(driver_detail))
97 );
98 
99 #endif /* _TRACE_HW_EVENT_MC_H */
100 
101 /* This part must be outside protection */
102 #include <trace/define_trace.h>
103