1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public |
3 | * License. See the file "COPYING" in the main directory of this archive |
4 | * for more details. |
5 | * |
6 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. |
7 | * Authors: Sanjay Lal <sanjayl@kymasys.com> |
8 | */ |
9 | |
10 | #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) |
11 | #define _TRACE_KVM_H |
12 | |
13 | #include <linux/tracepoint.h> |
14 | |
15 | #undef TRACE_SYSTEM |
16 | #define TRACE_SYSTEM kvm |
17 | #define TRACE_INCLUDE_PATH . |
18 | #define TRACE_INCLUDE_FILE trace |
19 | |
20 | /* |
21 | * arch/mips/kvm/mips.c |
22 | */ |
23 | extern bool kvm_trace_guest_mode_change; |
24 | int kvm_guest_mode_change_trace_reg(void); |
25 | void kvm_guest_mode_change_trace_unreg(void); |
26 | |
27 | /* |
28 | * Tracepoints for VM enters |
29 | */ |
30 | DECLARE_EVENT_CLASS(kvm_transition, |
31 | TP_PROTO(struct kvm_vcpu *vcpu), |
32 | TP_ARGS(vcpu), |
33 | TP_STRUCT__entry( |
34 | __field(unsigned long, pc) |
35 | ), |
36 | |
37 | TP_fast_assign( |
38 | __entry->pc = vcpu->arch.pc; |
39 | ), |
40 | |
41 | TP_printk("PC: 0x%08lx" , |
42 | __entry->pc) |
43 | ); |
44 | |
45 | DEFINE_EVENT(kvm_transition, kvm_enter, |
46 | TP_PROTO(struct kvm_vcpu *vcpu), |
47 | TP_ARGS(vcpu)); |
48 | |
49 | DEFINE_EVENT(kvm_transition, kvm_reenter, |
50 | TP_PROTO(struct kvm_vcpu *vcpu), |
51 | TP_ARGS(vcpu)); |
52 | |
53 | DEFINE_EVENT(kvm_transition, kvm_out, |
54 | TP_PROTO(struct kvm_vcpu *vcpu), |
55 | TP_ARGS(vcpu)); |
56 | |
57 | /* The first 32 exit reasons correspond to Cause.ExcCode */ |
58 | #define KVM_TRACE_EXIT_INT 0 |
59 | #define KVM_TRACE_EXIT_TLBMOD 1 |
60 | #define KVM_TRACE_EXIT_TLBMISS_LD 2 |
61 | #define KVM_TRACE_EXIT_TLBMISS_ST 3 |
62 | #define KVM_TRACE_EXIT_ADDRERR_LD 4 |
63 | #define KVM_TRACE_EXIT_ADDRERR_ST 5 |
64 | #define KVM_TRACE_EXIT_SYSCALL 8 |
65 | #define KVM_TRACE_EXIT_BREAK_INST 9 |
66 | #define KVM_TRACE_EXIT_RESVD_INST 10 |
67 | #define KVM_TRACE_EXIT_COP_UNUSABLE 11 |
68 | #define KVM_TRACE_EXIT_TRAP_INST 13 |
69 | #define KVM_TRACE_EXIT_MSA_FPE 14 |
70 | #define KVM_TRACE_EXIT_FPE 15 |
71 | #define KVM_TRACE_EXIT_MSA_DISABLED 21 |
72 | #define KVM_TRACE_EXIT_GUEST_EXIT 27 |
73 | /* Further exit reasons */ |
74 | #define KVM_TRACE_EXIT_WAIT 32 |
75 | #define KVM_TRACE_EXIT_CACHE 33 |
76 | #define KVM_TRACE_EXIT_SIGNAL 34 |
77 | /* 32 exit reasons correspond to GuestCtl0.GExcCode (VZ) */ |
78 | #define KVM_TRACE_EXIT_GEXCCODE_BASE 64 |
79 | #define KVM_TRACE_EXIT_GPSI 64 /* 0 */ |
80 | #define KVM_TRACE_EXIT_GSFC 65 /* 1 */ |
81 | #define KVM_TRACE_EXIT_HC 66 /* 2 */ |
82 | #define KVM_TRACE_EXIT_GRR 67 /* 3 */ |
83 | #define KVM_TRACE_EXIT_GVA 72 /* 8 */ |
84 | #define KVM_TRACE_EXIT_GHFC 73 /* 9 */ |
85 | #define KVM_TRACE_EXIT_GPA 74 /* 10 */ |
86 | |
87 | /* Tracepoints for VM exits */ |
88 | #define kvm_trace_symbol_exit_types \ |
89 | { KVM_TRACE_EXIT_INT, "Interrupt" }, \ |
90 | { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \ |
91 | { KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \ |
92 | { KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \ |
93 | { KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \ |
94 | { KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \ |
95 | { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \ |
96 | { KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \ |
97 | { KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \ |
98 | { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \ |
99 | { KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \ |
100 | { KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \ |
101 | { KVM_TRACE_EXIT_FPE, "FPE" }, \ |
102 | { KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \ |
103 | { KVM_TRACE_EXIT_GUEST_EXIT, "Guest Exit" }, \ |
104 | { KVM_TRACE_EXIT_WAIT, "WAIT" }, \ |
105 | { KVM_TRACE_EXIT_CACHE, "CACHE" }, \ |
106 | { KVM_TRACE_EXIT_SIGNAL, "Signal" }, \ |
107 | { KVM_TRACE_EXIT_GPSI, "GPSI" }, \ |
108 | { KVM_TRACE_EXIT_GSFC, "GSFC" }, \ |
109 | { KVM_TRACE_EXIT_HC, "HC" }, \ |
110 | { KVM_TRACE_EXIT_GRR, "GRR" }, \ |
111 | { KVM_TRACE_EXIT_GVA, "GVA" }, \ |
112 | { KVM_TRACE_EXIT_GHFC, "GHFC" }, \ |
113 | { KVM_TRACE_EXIT_GPA, "GPA" } |
114 | |
115 | TRACE_EVENT(kvm_exit, |
116 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), |
117 | TP_ARGS(vcpu, reason), |
118 | TP_STRUCT__entry( |
119 | __field(unsigned long, pc) |
120 | __field(unsigned int, reason) |
121 | ), |
122 | |
123 | TP_fast_assign( |
124 | __entry->pc = vcpu->arch.pc; |
125 | __entry->reason = reason; |
126 | ), |
127 | |
128 | TP_printk("[%s]PC: 0x%08lx" , |
129 | __print_symbolic(__entry->reason, |
130 | kvm_trace_symbol_exit_types), |
131 | __entry->pc) |
132 | ); |
133 | |
134 | #define KVM_TRACE_MFC0 0 |
135 | #define KVM_TRACE_MTC0 1 |
136 | #define KVM_TRACE_DMFC0 2 |
137 | #define KVM_TRACE_DMTC0 3 |
138 | #define KVM_TRACE_RDHWR 4 |
139 | |
140 | #define KVM_TRACE_HWR_COP0 0 |
141 | #define KVM_TRACE_HWR_HWR 1 |
142 | |
143 | #define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \ |
144 | ((REG) << 3) | (SEL)) |
145 | #define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \ |
146 | ((REG) << 3) | (SEL)) |
147 | |
148 | #define kvm_trace_symbol_hwr_ops \ |
149 | { KVM_TRACE_MFC0, "MFC0" }, \ |
150 | { KVM_TRACE_MTC0, "MTC0" }, \ |
151 | { KVM_TRACE_DMFC0, "DMFC0" }, \ |
152 | { KVM_TRACE_DMTC0, "DMTC0" }, \ |
153 | { KVM_TRACE_RDHWR, "RDHWR" } |
154 | |
155 | #define kvm_trace_symbol_hwr_cop \ |
156 | { KVM_TRACE_HWR_COP0, "COP0" }, \ |
157 | { KVM_TRACE_HWR_HWR, "HWR" } |
158 | |
159 | #define kvm_trace_symbol_hwr_regs \ |
160 | { KVM_TRACE_COP0( 0, 0), "Index" }, \ |
161 | { KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \ |
162 | { KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \ |
163 | { KVM_TRACE_COP0( 4, 0), "Context" }, \ |
164 | { KVM_TRACE_COP0( 4, 2), "UserLocal" }, \ |
165 | { KVM_TRACE_COP0( 5, 0), "PageMask" }, \ |
166 | { KVM_TRACE_COP0( 6, 0), "Wired" }, \ |
167 | { KVM_TRACE_COP0( 7, 0), "HWREna" }, \ |
168 | { KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \ |
169 | { KVM_TRACE_COP0( 9, 0), "Count" }, \ |
170 | { KVM_TRACE_COP0(10, 0), "EntryHi" }, \ |
171 | { KVM_TRACE_COP0(11, 0), "Compare" }, \ |
172 | { KVM_TRACE_COP0(12, 0), "Status" }, \ |
173 | { KVM_TRACE_COP0(12, 1), "IntCtl" }, \ |
174 | { KVM_TRACE_COP0(12, 2), "SRSCtl" }, \ |
175 | { KVM_TRACE_COP0(13, 0), "Cause" }, \ |
176 | { KVM_TRACE_COP0(14, 0), "EPC" }, \ |
177 | { KVM_TRACE_COP0(15, 0), "PRId" }, \ |
178 | { KVM_TRACE_COP0(15, 1), "EBase" }, \ |
179 | { KVM_TRACE_COP0(16, 0), "Config" }, \ |
180 | { KVM_TRACE_COP0(16, 1), "Config1" }, \ |
181 | { KVM_TRACE_COP0(16, 2), "Config2" }, \ |
182 | { KVM_TRACE_COP0(16, 3), "Config3" }, \ |
183 | { KVM_TRACE_COP0(16, 4), "Config4" }, \ |
184 | { KVM_TRACE_COP0(16, 5), "Config5" }, \ |
185 | { KVM_TRACE_COP0(16, 7), "Config7" }, \ |
186 | { KVM_TRACE_COP0(17, 1), "MAAR" }, \ |
187 | { KVM_TRACE_COP0(17, 2), "MAARI" }, \ |
188 | { KVM_TRACE_COP0(26, 0), "ECC" }, \ |
189 | { KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \ |
190 | { KVM_TRACE_COP0(31, 2), "KScratch1" }, \ |
191 | { KVM_TRACE_COP0(31, 3), "KScratch2" }, \ |
192 | { KVM_TRACE_COP0(31, 4), "KScratch3" }, \ |
193 | { KVM_TRACE_COP0(31, 5), "KScratch4" }, \ |
194 | { KVM_TRACE_COP0(31, 6), "KScratch5" }, \ |
195 | { KVM_TRACE_COP0(31, 7), "KScratch6" }, \ |
196 | { KVM_TRACE_HWR( 0, 0), "CPUNum" }, \ |
197 | { KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \ |
198 | { KVM_TRACE_HWR( 2, 0), "CC" }, \ |
199 | { KVM_TRACE_HWR( 3, 0), "CCRes" }, \ |
200 | { KVM_TRACE_HWR(29, 0), "ULR" } |
201 | |
202 | TRACE_EVENT(kvm_hwr, |
203 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg, |
204 | unsigned long val), |
205 | TP_ARGS(vcpu, op, reg, val), |
206 | TP_STRUCT__entry( |
207 | __field(unsigned long, val) |
208 | __field(u16, reg) |
209 | __field(u8, op) |
210 | ), |
211 | |
212 | TP_fast_assign( |
213 | __entry->val = val; |
214 | __entry->reg = reg; |
215 | __entry->op = op; |
216 | ), |
217 | |
218 | TP_printk("%s %s (%s:%u:%u) 0x%08lx" , |
219 | __print_symbolic(__entry->op, |
220 | kvm_trace_symbol_hwr_ops), |
221 | __print_symbolic(__entry->reg, |
222 | kvm_trace_symbol_hwr_regs), |
223 | __print_symbolic(__entry->reg >> 8, |
224 | kvm_trace_symbol_hwr_cop), |
225 | (__entry->reg >> 3) & 0x1f, |
226 | __entry->reg & 0x7, |
227 | __entry->val) |
228 | ); |
229 | |
230 | #define KVM_TRACE_AUX_RESTORE 0 |
231 | #define KVM_TRACE_AUX_SAVE 1 |
232 | #define KVM_TRACE_AUX_ENABLE 2 |
233 | #define KVM_TRACE_AUX_DISABLE 3 |
234 | #define KVM_TRACE_AUX_DISCARD 4 |
235 | |
236 | #define KVM_TRACE_AUX_FPU 1 |
237 | #define KVM_TRACE_AUX_MSA 2 |
238 | #define KVM_TRACE_AUX_FPU_MSA 3 |
239 | |
240 | #define kvm_trace_symbol_aux_op \ |
241 | { KVM_TRACE_AUX_RESTORE, "restore" }, \ |
242 | { KVM_TRACE_AUX_SAVE, "save" }, \ |
243 | { KVM_TRACE_AUX_ENABLE, "enable" }, \ |
244 | { KVM_TRACE_AUX_DISABLE, "disable" }, \ |
245 | { KVM_TRACE_AUX_DISCARD, "discard" } |
246 | |
247 | #define kvm_trace_symbol_aux_state \ |
248 | { KVM_TRACE_AUX_FPU, "FPU" }, \ |
249 | { KVM_TRACE_AUX_MSA, "MSA" }, \ |
250 | { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" } |
251 | |
252 | TRACE_EVENT(kvm_aux, |
253 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, |
254 | unsigned int state), |
255 | TP_ARGS(vcpu, op, state), |
256 | TP_STRUCT__entry( |
257 | __field(unsigned long, pc) |
258 | __field(u8, op) |
259 | __field(u8, state) |
260 | ), |
261 | |
262 | TP_fast_assign( |
263 | __entry->pc = vcpu->arch.pc; |
264 | __entry->op = op; |
265 | __entry->state = state; |
266 | ), |
267 | |
268 | TP_printk("%s %s PC: 0x%08lx" , |
269 | __print_symbolic(__entry->op, |
270 | kvm_trace_symbol_aux_op), |
271 | __print_symbolic(__entry->state, |
272 | kvm_trace_symbol_aux_state), |
273 | __entry->pc) |
274 | ); |
275 | |
276 | TRACE_EVENT(kvm_asid_change, |
277 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid, |
278 | unsigned int new_asid), |
279 | TP_ARGS(vcpu, old_asid, new_asid), |
280 | TP_STRUCT__entry( |
281 | __field(unsigned long, pc) |
282 | __field(u8, old_asid) |
283 | __field(u8, new_asid) |
284 | ), |
285 | |
286 | TP_fast_assign( |
287 | __entry->pc = vcpu->arch.pc; |
288 | __entry->old_asid = old_asid; |
289 | __entry->new_asid = new_asid; |
290 | ), |
291 | |
292 | TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x" , |
293 | __entry->pc, |
294 | __entry->old_asid, |
295 | __entry->new_asid) |
296 | ); |
297 | |
298 | TRACE_EVENT(kvm_guestid_change, |
299 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int guestid), |
300 | TP_ARGS(vcpu, guestid), |
301 | TP_STRUCT__entry( |
302 | __field(unsigned int, guestid) |
303 | ), |
304 | |
305 | TP_fast_assign( |
306 | __entry->guestid = guestid; |
307 | ), |
308 | |
309 | TP_printk("GuestID: 0x%02x" , |
310 | __entry->guestid) |
311 | ); |
312 | |
313 | TRACE_EVENT_FN(kvm_guest_mode_change, |
314 | TP_PROTO(struct kvm_vcpu *vcpu), |
315 | TP_ARGS(vcpu), |
316 | TP_STRUCT__entry( |
317 | __field(unsigned long, epc) |
318 | __field(unsigned long, pc) |
319 | __field(unsigned long, badvaddr) |
320 | __field(unsigned int, status) |
321 | __field(unsigned int, cause) |
322 | ), |
323 | |
324 | TP_fast_assign( |
325 | __entry->epc = kvm_read_c0_guest_epc(&vcpu->arch.cop0); |
326 | __entry->pc = vcpu->arch.pc; |
327 | __entry->badvaddr = kvm_read_c0_guest_badvaddr(&vcpu->arch.cop0); |
328 | __entry->status = kvm_read_c0_guest_status(&vcpu->arch.cop0); |
329 | __entry->cause = kvm_read_c0_guest_cause(&vcpu->arch.cop0); |
330 | ), |
331 | |
332 | TP_printk("EPC: 0x%08lx PC: 0x%08lx Status: 0x%08x Cause: 0x%08x BadVAddr: 0x%08lx" , |
333 | __entry->epc, |
334 | __entry->pc, |
335 | __entry->status, |
336 | __entry->cause, |
337 | __entry->badvaddr), |
338 | |
339 | kvm_guest_mode_change_trace_reg, |
340 | kvm_guest_mode_change_trace_unreg |
341 | ); |
342 | |
343 | #endif /* _TRACE_KVM_H */ |
344 | |
345 | /* This part must be outside protection */ |
346 | #include <trace/define_trace.h> |
347 | |