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e7126cf5 DH |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM mpx | |
3 | ||
4 | #if !defined(_TRACE_MPX_H) || defined(TRACE_HEADER_MULTI_READ) | |
5 | #define _TRACE_MPX_H | |
6 | ||
7 | #include <linux/tracepoint.h> | |
8 | ||
9 | #ifdef CONFIG_X86_INTEL_MPX | |
10 | ||
97efebf1 DH |
11 | TRACE_EVENT(mpx_bounds_register_exception, |
12 | ||
13 | TP_PROTO(void *addr_referenced, | |
14 | const struct bndreg *bndreg), | |
15 | TP_ARGS(addr_referenced, bndreg), | |
16 | ||
17 | TP_STRUCT__entry( | |
18 | __field(void *, addr_referenced) | |
19 | __field(u64, lower_bound) | |
20 | __field(u64, upper_bound) | |
21 | ), | |
22 | ||
23 | TP_fast_assign( | |
24 | __entry->addr_referenced = addr_referenced; | |
25 | __entry->lower_bound = bndreg->lower_bound; | |
26 | __entry->upper_bound = bndreg->upper_bound; | |
27 | ), | |
28 | /* | |
29 | * Note that we are printing out the '~' of the upper | |
30 | * bounds register here. It is actually stored in its | |
31 | * one's complement form so that its 'init' state | |
32 | * corresponds to all 0's. But, that looks like | |
33 | * gibberish when printed out, so print out the 1's | |
34 | * complement instead of the actual value here. Note | |
35 | * though that you still need to specify filters for the | |
36 | * actual value, not the displayed one. | |
37 | */ | |
38 | TP_printk("address referenced: 0x%p bounds: lower: 0x%llx ~upper: 0x%llx", | |
39 | __entry->addr_referenced, | |
40 | __entry->lower_bound, | |
41 | ~__entry->upper_bound | |
42 | ) | |
43 | ); | |
44 | ||
e7126cf5 DH |
45 | TRACE_EVENT(bounds_exception_mpx, |
46 | ||
47 | TP_PROTO(const struct bndcsr *bndcsr), | |
48 | TP_ARGS(bndcsr), | |
49 | ||
50 | TP_STRUCT__entry( | |
51 | __field(u64, bndcfgu) | |
52 | __field(u64, bndstatus) | |
53 | ), | |
54 | ||
55 | TP_fast_assign( | |
56 | /* need to get rid of the 'const' on bndcsr */ | |
57 | __entry->bndcfgu = (u64)bndcsr->bndcfgu; | |
58 | __entry->bndstatus = (u64)bndcsr->bndstatus; | |
59 | ), | |
60 | ||
61 | TP_printk("bndcfgu:0x%llx bndstatus:0x%llx", | |
62 | __entry->bndcfgu, | |
63 | __entry->bndstatus) | |
64 | ); | |
65 | ||
2a1dcb1f DH |
66 | DECLARE_EVENT_CLASS(mpx_range_trace, |
67 | ||
68 | TP_PROTO(unsigned long start, | |
69 | unsigned long end), | |
70 | TP_ARGS(start, end), | |
71 | ||
72 | TP_STRUCT__entry( | |
73 | __field(unsigned long, start) | |
74 | __field(unsigned long, end) | |
75 | ), | |
76 | ||
77 | TP_fast_assign( | |
78 | __entry->start = start; | |
79 | __entry->end = end; | |
80 | ), | |
81 | ||
82 | TP_printk("[0x%p:0x%p]", | |
83 | (void *)__entry->start, | |
84 | (void *)__entry->end | |
85 | ) | |
86 | ); | |
87 | ||
88 | DEFINE_EVENT(mpx_range_trace, mpx_unmap_zap, | |
89 | TP_PROTO(unsigned long start, unsigned long end), | |
90 | TP_ARGS(start, end) | |
91 | ); | |
92 | ||
93 | DEFINE_EVENT(mpx_range_trace, mpx_unmap_search, | |
94 | TP_PROTO(unsigned long start, unsigned long end), | |
95 | TP_ARGS(start, end) | |
96 | ); | |
97 | ||
cd4996dc DH |
98 | TRACE_EVENT(mpx_new_bounds_table, |
99 | ||
100 | TP_PROTO(unsigned long table_vaddr), | |
101 | TP_ARGS(table_vaddr), | |
102 | ||
103 | TP_STRUCT__entry( | |
104 | __field(unsigned long, table_vaddr) | |
105 | ), | |
106 | ||
107 | TP_fast_assign( | |
108 | __entry->table_vaddr = table_vaddr; | |
109 | ), | |
110 | ||
111 | TP_printk("table vaddr:%p", (void *)__entry->table_vaddr) | |
112 | ); | |
113 | ||
e7126cf5 DH |
114 | #else |
115 | ||
116 | /* | |
117 | * This gets used outside of MPX-specific code, so we need a stub. | |
118 | */ | |
119 | static inline void trace_bounds_exception_mpx(const struct bndcsr *bndcsr) | |
120 | { | |
121 | } | |
122 | ||
123 | #endif /* CONFIG_X86_INTEL_MPX */ | |
124 | ||
125 | #undef TRACE_INCLUDE_PATH | |
126 | #define TRACE_INCLUDE_PATH asm/trace/ | |
127 | #undef TRACE_INCLUDE_FILE | |
128 | #define TRACE_INCLUDE_FILE mpx | |
129 | #endif /* _TRACE_MPX_H */ | |
130 | ||
131 | /* This part must be outside protection */ | |
132 | #include <trace/define_trace.h> |