xref: /linux/arch/arm64/kvm/trace_handle_exit.h (revision e2ee2e9b159094527ae7ad78058b1316f62fc5b7)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #if !defined(_TRACE_HANDLE_EXIT_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
3 #define _TRACE_HANDLE_EXIT_ARM64_KVM_H
4 
5 #include <linux/tracepoint.h>
6 #include "sys_regs.h"
7 
8 #undef TRACE_SYSTEM
9 #define TRACE_SYSTEM kvm
10 
11 TRACE_EVENT(kvm_wfx_arm64,
12 	TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
13 	TP_ARGS(vcpu_pc, is_wfe),
14 
15 	TP_STRUCT__entry(
16 		__field(unsigned long,	vcpu_pc)
17 		__field(bool,		is_wfe)
18 	),
19 
20 	TP_fast_assign(
21 		__entry->vcpu_pc = vcpu_pc;
22 		__entry->is_wfe  = is_wfe;
23 	),
24 
25 	TP_printk("guest executed wf%c at: 0x%016lx",
26 		  __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
27 );
28 
29 TRACE_EVENT(kvm_hvc_arm64,
30 	TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
31 	TP_ARGS(vcpu_pc, r0, imm),
32 
33 	TP_STRUCT__entry(
34 		__field(unsigned long, vcpu_pc)
35 		__field(unsigned long, r0)
36 		__field(unsigned long, imm)
37 	),
38 
39 	TP_fast_assign(
40 		__entry->vcpu_pc = vcpu_pc;
41 		__entry->r0 = r0;
42 		__entry->imm = imm;
43 	),
44 
45 	TP_printk("HVC at 0x%016lx (r0: 0x%016lx, imm: 0x%lx)",
46 		  __entry->vcpu_pc, __entry->r0, __entry->imm)
47 );
48 
49 /*
50  * The dreg32 name is a leftover from a distant past. This will really
51  * output a 64bit value...
52  */
53 TRACE_EVENT(kvm_arm_set_dreg32,
54 	TP_PROTO(const char *name, __u64 value),
55 	TP_ARGS(name, value),
56 
57 	TP_STRUCT__entry(
58 		__field(const char *, name)
59 		__field(__u64, value)
60 	),
61 
62 	TP_fast_assign(
63 		__entry->name = name;
64 		__entry->value = value;
65 	),
66 
67 	TP_printk("%s: 0x%llx", __entry->name, __entry->value)
68 );
69 
70 TRACE_EVENT(kvm_handle_sys_reg,
71 	TP_PROTO(unsigned long hsr),
72 	TP_ARGS(hsr),
73 
74 	TP_STRUCT__entry(
75 		__field(unsigned long,	hsr)
76 	),
77 
78 	TP_fast_assign(
79 		__entry->hsr = hsr;
80 	),
81 
82 	TP_printk("HSR 0x%08lx", __entry->hsr)
83 );
84 
85 TRACE_EVENT(kvm_sys_access,
86 	TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
87 	TP_ARGS(vcpu_pc, params, reg),
88 
89 	TP_STRUCT__entry(
90 		__field(unsigned long,			vcpu_pc)
91 		__field(bool,				is_write)
92 		__field(const char *,			name)
93 		__field(u8,				Op0)
94 		__field(u8,				Op1)
95 		__field(u8,				CRn)
96 		__field(u8,				CRm)
97 		__field(u8,				Op2)
98 	),
99 
100 	TP_fast_assign(
101 		__entry->vcpu_pc = vcpu_pc;
102 		__entry->is_write = params->is_write;
103 		__entry->name = reg->name;
104 		__entry->Op0 = reg->Op0;
105 		__entry->Op0 = reg->Op0;
106 		__entry->Op1 = reg->Op1;
107 		__entry->CRn = reg->CRn;
108 		__entry->CRm = reg->CRm;
109 		__entry->Op2 = reg->Op2;
110 	),
111 
112 	TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
113 		  __entry->vcpu_pc, __entry->name ?: "UNKN",
114 		  __entry->Op0, __entry->Op1, __entry->CRn,
115 		  __entry->CRm, __entry->Op2,
116 		  __entry->is_write ? "write" : "read")
117 );
118 
119 TRACE_EVENT(kvm_set_guest_debug,
120 	TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
121 	TP_ARGS(vcpu, guest_debug),
122 
123 	TP_STRUCT__entry(
124 		__field(struct kvm_vcpu *, vcpu)
125 		__field(__u32, guest_debug)
126 	),
127 
128 	TP_fast_assign(
129 		__entry->vcpu = vcpu;
130 		__entry->guest_debug = guest_debug;
131 	),
132 
133 	TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
134 );
135 
136 #endif /* _TRACE_HANDLE_EXIT_ARM64_KVM_H */
137 
138 #undef TRACE_INCLUDE_PATH
139 #define TRACE_INCLUDE_PATH .
140 #undef TRACE_INCLUDE_FILE
141 #define TRACE_INCLUDE_FILE trace_handle_exit
142 
143 /* This part must be outside protection */
144 #include <trace/define_trace.h>
145