RAS: Add a tracepoint for reporting memory controller events
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / ras / ras_event.h
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53f2d028
MCC
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 */
30TRACE_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>