summaryrefslogtreecommitdiff
path: root/arch/arm64/kvm/trace_handle_exit.h
blob: f85415db7713b7cab005fa5497e22412b9a6fee5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/* SPDX-License-Identifier: GPL-2.0 */
#if !defined(_TRACE_HANDLE_EXIT_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HANDLE_EXIT_ARM64_KVM_H

#include <linux/tracepoint.h>
#include "sys_regs.h"

#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm

TRACE_EVENT(kvm_wfx_arm64,
	TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
	TP_ARGS(vcpu_pc, is_wfe),

	TP_STRUCT__entry(
		__field(unsigned long,	vcpu_pc)
		__field(bool,		is_wfe)
	),

	TP_fast_assign(
		__entry->vcpu_pc = vcpu_pc;
		__entry->is_wfe  = is_wfe;
	),

	TP_printk("guest executed wf%c at: 0x%016lx",
		  __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
);

TRACE_EVENT(kvm_hvc_arm64,
	TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
	TP_ARGS(vcpu_pc, r0, imm),

	TP_STRUCT__entry(
		__field(unsigned long, vcpu_pc)
		__field(unsigned long, r0)
		__field(unsigned long, imm)
	),

	TP_fast_assign(
		__entry->vcpu_pc = vcpu_pc;
		__entry->r0 = r0;
		__entry->imm = imm;
	),

	TP_printk("HVC at 0x%016lx (r0: 0x%016lx, imm: 0x%lx)",
		  __entry->vcpu_pc, __entry->r0, __entry->imm)
);

/*
 * The dreg32 name is a leftover from a distant past. This will really
 * output a 64bit value...
 */
TRACE_EVENT(kvm_arm_set_dreg32,
	TP_PROTO(const char *name, __u64 value),
	TP_ARGS(name, value),

	TP_STRUCT__entry(
		__field(const char *, name)
		__field(__u64, value)
	),

	TP_fast_assign(
		__entry->name = name;
		__entry->value = value;
	),

	TP_printk("%s: 0x%llx", __entry->name, __entry->value)
);

TRACE_EVENT(kvm_handle_sys_reg,
	TP_PROTO(unsigned long hsr),
	TP_ARGS(hsr),

	TP_STRUCT__entry(
		__field(unsigned long,	hsr)
	),

	TP_fast_assign(
		__entry->hsr = hsr;
	),

	TP_printk("HSR 0x%08lx", __entry->hsr)
);

TRACE_EVENT(kvm_sys_access,
	TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
	TP_ARGS(vcpu_pc, params, reg),

	TP_STRUCT__entry(
		__field(unsigned long,			vcpu_pc)
		__field(bool,				is_write)
		__field(const char *,			name)
		__field(u8,				Op0)
		__field(u8,				Op1)
		__field(u8,				CRn)
		__field(u8,				CRm)
		__field(u8,				Op2)
	),

	TP_fast_assign(
		__entry->vcpu_pc = vcpu_pc;
		__entry->is_write = params->is_write;
		__entry->name = reg->name;
		__entry->Op0 = reg->Op0;
		__entry->Op0 = reg->Op0;
		__entry->Op1 = reg->Op1;
		__entry->CRn = reg->CRn;
		__entry->CRm = reg->CRm;
		__entry->Op2 = reg->Op2;
	),

	TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
		  __entry->vcpu_pc, __entry->name ?: "UNKN",
		  __entry->Op0, __entry->Op1, __entry->CRn,
		  __entry->CRm, __entry->Op2,
		  __entry->is_write ? "write" : "read")
);

TRACE_EVENT(kvm_set_guest_debug,
	TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
	TP_ARGS(vcpu, guest_debug),

	TP_STRUCT__entry(
		__field(struct kvm_vcpu *, vcpu)
		__field(__u32, guest_debug)
	),

	TP_fast_assign(
		__entry->vcpu = vcpu;
		__entry->guest_debug = guest_debug;
	),

	TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
);

#endif /* _TRACE_HANDLE_EXIT_ARM64_KVM_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace_handle_exit

/* This part must be outside protection */
#include <trace/define_trace.h>