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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
e7126cf5 DH |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM mpx | |
4 | ||
5 | #if !defined(_TRACE_MPX_H) || defined(TRACE_HEADER_MULTI_READ) | |
6 | #define _TRACE_MPX_H | |
7 | ||
8 | #include <linux/tracepoint.h> | |
9 | ||
10 | #ifdef CONFIG_X86_INTEL_MPX | |
11 | ||
97efebf1 DH |
12 | TRACE_EVENT(mpx_bounds_register_exception, |
13 | ||
14 | TP_PROTO(void *addr_referenced, | |
1126cb45 | 15 | const struct mpx_bndreg *bndreg), |
97efebf1 DH |
16 | TP_ARGS(addr_referenced, bndreg), |
17 | ||
18 | TP_STRUCT__entry( | |
19 | __field(void *, addr_referenced) | |
20 | __field(u64, lower_bound) | |
21 | __field(u64, upper_bound) | |
22 | ), | |
23 | ||
24 | TP_fast_assign( | |
25 | __entry->addr_referenced = addr_referenced; | |
26 | __entry->lower_bound = bndreg->lower_bound; | |
27 | __entry->upper_bound = bndreg->upper_bound; | |
28 | ), | |
29 | /* | |
30 | * Note that we are printing out the '~' of the upper | |
31 | * bounds register here. It is actually stored in its | |
32 | * one's complement form so that its 'init' state | |
33 | * corresponds to all 0's. But, that looks like | |
34 | * gibberish when printed out, so print out the 1's | |
35 | * complement instead of the actual value here. Note | |
36 | * though that you still need to specify filters for the | |
37 | * actual value, not the displayed one. | |
38 | */ | |
39 | TP_printk("address referenced: 0x%p bounds: lower: 0x%llx ~upper: 0x%llx", | |
40 | __entry->addr_referenced, | |
41 | __entry->lower_bound, | |
42 | ~__entry->upper_bound | |
43 | ) | |
44 | ); | |
45 | ||
e7126cf5 DH |
46 | TRACE_EVENT(bounds_exception_mpx, |
47 | ||
1126cb45 | 48 | TP_PROTO(const struct mpx_bndcsr *bndcsr), |
e7126cf5 DH |
49 | TP_ARGS(bndcsr), |
50 | ||
51 | TP_STRUCT__entry( | |
52 | __field(u64, bndcfgu) | |
53 | __field(u64, bndstatus) | |
54 | ), | |
55 | ||
56 | TP_fast_assign( | |
57 | /* need to get rid of the 'const' on bndcsr */ | |
58 | __entry->bndcfgu = (u64)bndcsr->bndcfgu; | |
59 | __entry->bndstatus = (u64)bndcsr->bndstatus; | |
60 | ), | |
61 | ||
62 | TP_printk("bndcfgu:0x%llx bndstatus:0x%llx", | |
63 | __entry->bndcfgu, | |
64 | __entry->bndstatus) | |
65 | ); | |
66 | ||
2a1dcb1f DH |
67 | DECLARE_EVENT_CLASS(mpx_range_trace, |
68 | ||
69 | TP_PROTO(unsigned long start, | |
70 | unsigned long end), | |
71 | TP_ARGS(start, end), | |
72 | ||
73 | TP_STRUCT__entry( | |
74 | __field(unsigned long, start) | |
75 | __field(unsigned long, end) | |
76 | ), | |
77 | ||
78 | TP_fast_assign( | |
79 | __entry->start = start; | |
80 | __entry->end = end; | |
81 | ), | |
82 | ||
83 | TP_printk("[0x%p:0x%p]", | |
84 | (void *)__entry->start, | |
85 | (void *)__entry->end | |
86 | ) | |
87 | ); | |
88 | ||
89 | DEFINE_EVENT(mpx_range_trace, mpx_unmap_zap, | |
90 | TP_PROTO(unsigned long start, unsigned long end), | |
91 | TP_ARGS(start, end) | |
92 | ); | |
93 | ||
94 | DEFINE_EVENT(mpx_range_trace, mpx_unmap_search, | |
95 | TP_PROTO(unsigned long start, unsigned long end), | |
96 | TP_ARGS(start, end) | |
97 | ); | |
98 | ||
cd4996dc DH |
99 | TRACE_EVENT(mpx_new_bounds_table, |
100 | ||
101 | TP_PROTO(unsigned long table_vaddr), | |
102 | TP_ARGS(table_vaddr), | |
103 | ||
104 | TP_STRUCT__entry( | |
105 | __field(unsigned long, table_vaddr) | |
106 | ), | |
107 | ||
108 | TP_fast_assign( | |
109 | __entry->table_vaddr = table_vaddr; | |
110 | ), | |
111 | ||
112 | TP_printk("table vaddr:%p", (void *)__entry->table_vaddr) | |
113 | ); | |
114 | ||
e7126cf5 DH |
115 | #else |
116 | ||
117 | /* | |
118 | * This gets used outside of MPX-specific code, so we need a stub. | |
119 | */ | |
1126cb45 DH |
120 | static inline |
121 | void trace_bounds_exception_mpx(const struct mpx_bndcsr *bndcsr) | |
e7126cf5 DH |
122 | { |
123 | } | |
124 | ||
125 | #endif /* CONFIG_X86_INTEL_MPX */ | |
126 | ||
127 | #undef TRACE_INCLUDE_PATH | |
128 | #define TRACE_INCLUDE_PATH asm/trace/ | |
129 | #undef TRACE_INCLUDE_FILE | |
130 | #define TRACE_INCLUDE_FILE mpx | |
131 | #endif /* _TRACE_MPX_H */ | |
132 | ||
133 | /* This part must be outside protection */ | |
134 | #include <trace/define_trace.h> |