xref: /linux/arch/s390/kvm/trace.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
2 #define _TRACE_KVM_H
3 
4 #include <linux/tracepoint.h>
5 #include <asm/sie.h>
6 #include <asm/debug.h>
7 #include <asm/dis.h>
8 
9 #undef TRACE_SYSTEM
10 #define TRACE_SYSTEM kvm
11 #define TRACE_INCLUDE_PATH .
12 #undef TRACE_INCLUDE_FILE
13 #define TRACE_INCLUDE_FILE trace
14 
15 /*
16  * Helpers for vcpu-specific tracepoints containing the same information
17  * as s390dbf VCPU_EVENTs.
18  */
19 #define VCPU_PROTO_COMMON struct kvm_vcpu *vcpu
20 #define VCPU_ARGS_COMMON vcpu
21 #define VCPU_FIELD_COMMON __field(int, id)			\
22 	__field(unsigned long, pswmask)				\
23 	__field(unsigned long, pswaddr)
24 #define VCPU_ASSIGN_COMMON do {						\
25 	__entry->id = vcpu->vcpu_id;					\
26 	__entry->pswmask = vcpu->arch.sie_block->gpsw.mask;		\
27 	__entry->pswaddr = vcpu->arch.sie_block->gpsw.addr;		\
28 	} while (0);
29 #define VCPU_TP_PRINTK(p_str, p_args...)				\
30 	TP_printk("%02d[%016lx-%016lx]: " p_str, __entry->id,		\
31 		  __entry->pswmask, __entry->pswaddr, p_args)
32 
33 TRACE_EVENT(kvm_s390_skey_related_inst,
34 	    TP_PROTO(VCPU_PROTO_COMMON),
35 	    TP_ARGS(VCPU_ARGS_COMMON),
36 
37 	    TP_STRUCT__entry(
38 		    VCPU_FIELD_COMMON
39 		    ),
40 
41 	    TP_fast_assign(
42 		    VCPU_ASSIGN_COMMON
43 		    ),
44 	    VCPU_TP_PRINTK("%s", "first instruction related to skeys on vcpu")
45 	);
46 
47 TRACE_EVENT(kvm_s390_major_guest_pfault,
48 	    TP_PROTO(VCPU_PROTO_COMMON),
49 	    TP_ARGS(VCPU_ARGS_COMMON),
50 
51 	    TP_STRUCT__entry(
52 		    VCPU_FIELD_COMMON
53 		    ),
54 
55 	    TP_fast_assign(
56 		    VCPU_ASSIGN_COMMON
57 		    ),
58 	    VCPU_TP_PRINTK("%s", "major fault, maybe applicable for pfault")
59 	);
60 
61 TRACE_EVENT(kvm_s390_pfault_init,
62 	    TP_PROTO(VCPU_PROTO_COMMON, long pfault_token),
63 	    TP_ARGS(VCPU_ARGS_COMMON, pfault_token),
64 
65 	    TP_STRUCT__entry(
66 		    VCPU_FIELD_COMMON
67 		    __field(long, pfault_token)
68 		    ),
69 
70 	    TP_fast_assign(
71 		    VCPU_ASSIGN_COMMON
72 		    __entry->pfault_token = pfault_token;
73 		    ),
74 	    VCPU_TP_PRINTK("init pfault token %ld", __entry->pfault_token)
75 	);
76 
77 TRACE_EVENT(kvm_s390_pfault_done,
78 	    TP_PROTO(VCPU_PROTO_COMMON, long pfault_token),
79 	    TP_ARGS(VCPU_ARGS_COMMON, pfault_token),
80 
81 	    TP_STRUCT__entry(
82 		    VCPU_FIELD_COMMON
83 		    __field(long, pfault_token)
84 		    ),
85 
86 	    TP_fast_assign(
87 		    VCPU_ASSIGN_COMMON
88 		    __entry->pfault_token = pfault_token;
89 		    ),
90 	    VCPU_TP_PRINTK("done pfault token %ld", __entry->pfault_token)
91 	);
92 
93 /*
94  * Tracepoints for SIE entry and exit.
95  */
96 TRACE_EVENT(kvm_s390_sie_enter,
97 	    TP_PROTO(VCPU_PROTO_COMMON, int cpuflags),
98 	    TP_ARGS(VCPU_ARGS_COMMON, cpuflags),
99 
100 	    TP_STRUCT__entry(
101 		    VCPU_FIELD_COMMON
102 		    __field(int, cpuflags)
103 		    ),
104 
105 	    TP_fast_assign(
106 		    VCPU_ASSIGN_COMMON
107 		    __entry->cpuflags = cpuflags;
108 		    ),
109 
110 	    VCPU_TP_PRINTK("entering sie flags %x", __entry->cpuflags)
111 	);
112 
113 TRACE_EVENT(kvm_s390_sie_fault,
114 	    TP_PROTO(VCPU_PROTO_COMMON),
115 	    TP_ARGS(VCPU_ARGS_COMMON),
116 
117 	    TP_STRUCT__entry(
118 		    VCPU_FIELD_COMMON
119 		    ),
120 
121 	    TP_fast_assign(
122 		    VCPU_ASSIGN_COMMON
123 		    ),
124 
125 	    VCPU_TP_PRINTK("%s", "fault in sie instruction")
126 	);
127 
128 TRACE_EVENT(kvm_s390_sie_exit,
129 	    TP_PROTO(VCPU_PROTO_COMMON, u8 icptcode),
130 	    TP_ARGS(VCPU_ARGS_COMMON, icptcode),
131 
132 	    TP_STRUCT__entry(
133 		    VCPU_FIELD_COMMON
134 		    __field(u8, icptcode)
135 		    ),
136 
137 	    TP_fast_assign(
138 		    VCPU_ASSIGN_COMMON
139 		    __entry->icptcode = icptcode;
140 		    ),
141 
142 	    VCPU_TP_PRINTK("exit sie icptcode %d (%s)", __entry->icptcode,
143 			   __print_symbolic(__entry->icptcode,
144 					    sie_intercept_code))
145 	);
146 
147 /*
148  * Trace point for intercepted instructions.
149  */
150 TRACE_EVENT(kvm_s390_intercept_instruction,
151 	    TP_PROTO(VCPU_PROTO_COMMON, __u16 ipa, __u32 ipb),
152 	    TP_ARGS(VCPU_ARGS_COMMON, ipa, ipb),
153 
154 	    TP_STRUCT__entry(
155 		    VCPU_FIELD_COMMON
156 		    __field(__u64, instruction)
157 		    ),
158 
159 	    TP_fast_assign(
160 		    VCPU_ASSIGN_COMMON
161 		    __entry->instruction = ((__u64)ipa << 48) |
162 		    ((__u64)ipb << 16);
163 		    ),
164 
165 	    VCPU_TP_PRINTK("intercepted instruction %016llx (%s)",
166 			   __entry->instruction,
167 			   __print_symbolic(icpt_insn_decoder(__entry->instruction),
168 					    icpt_insn_codes))
169 	);
170 
171 /*
172  * Trace point for intercepted program interruptions.
173  */
174 TRACE_EVENT(kvm_s390_intercept_prog,
175 	    TP_PROTO(VCPU_PROTO_COMMON, __u16 code),
176 	    TP_ARGS(VCPU_ARGS_COMMON, code),
177 
178 	    TP_STRUCT__entry(
179 		    VCPU_FIELD_COMMON
180 		    __field(__u16, code)
181 		    ),
182 
183 	    TP_fast_assign(
184 		    VCPU_ASSIGN_COMMON
185 		    __entry->code = code;
186 		    ),
187 
188 	    VCPU_TP_PRINTK("intercepted program interruption %04x",
189 			   __entry->code)
190 	);
191 
192 /*
193  * Trace point for validity intercepts.
194  */
195 TRACE_EVENT(kvm_s390_intercept_validity,
196 	    TP_PROTO(VCPU_PROTO_COMMON, __u16 viwhy),
197 	    TP_ARGS(VCPU_ARGS_COMMON, viwhy),
198 
199 	    TP_STRUCT__entry(
200 		    VCPU_FIELD_COMMON
201 		    __field(__u16, viwhy)
202 		    ),
203 
204 	    TP_fast_assign(
205 		    VCPU_ASSIGN_COMMON
206 		    __entry->viwhy = viwhy;
207 		    ),
208 
209 	    VCPU_TP_PRINTK("got validity intercept %04x", __entry->viwhy)
210 	);
211 
212 /*
213  * Trace points for instructions that are of special interest.
214  */
215 
216 TRACE_EVENT(kvm_s390_handle_sigp,
217 	    TP_PROTO(VCPU_PROTO_COMMON, __u8 order_code, __u16 cpu_addr, \
218 		     __u32 parameter),
219 	    TP_ARGS(VCPU_ARGS_COMMON, order_code, cpu_addr, parameter),
220 
221 	    TP_STRUCT__entry(
222 		    VCPU_FIELD_COMMON
223 		    __field(__u8, order_code)
224 		    __field(__u16, cpu_addr)
225 		    __field(__u32, parameter)
226 		    ),
227 
228 	    TP_fast_assign(
229 		    VCPU_ASSIGN_COMMON
230 		    __entry->order_code = order_code;
231 		    __entry->cpu_addr = cpu_addr;
232 		    __entry->parameter = parameter;
233 		    ),
234 
235 	    VCPU_TP_PRINTK("handle sigp order %02x (%s), cpu address %04x, " \
236 			   "parameter %08x", __entry->order_code,
237 			   __print_symbolic(__entry->order_code,
238 					    sigp_order_codes),
239 			   __entry->cpu_addr, __entry->parameter)
240 	);
241 
242 TRACE_EVENT(kvm_s390_handle_sigp_pei,
243 	    TP_PROTO(VCPU_PROTO_COMMON, __u8 order_code, __u16 cpu_addr),
244 	    TP_ARGS(VCPU_ARGS_COMMON, order_code, cpu_addr),
245 
246 	    TP_STRUCT__entry(
247 		    VCPU_FIELD_COMMON
248 		    __field(__u8, order_code)
249 		    __field(__u16, cpu_addr)
250 		    ),
251 
252 	    TP_fast_assign(
253 		    VCPU_ASSIGN_COMMON
254 		    __entry->order_code = order_code;
255 		    __entry->cpu_addr = cpu_addr;
256 		    ),
257 
258 	    VCPU_TP_PRINTK("handle sigp pei order %02x (%s), cpu address %04x",
259 			   __entry->order_code,
260 			   __print_symbolic(__entry->order_code,
261 					    sigp_order_codes),
262 			   __entry->cpu_addr)
263 	);
264 
265 TRACE_EVENT(kvm_s390_handle_diag,
266 	    TP_PROTO(VCPU_PROTO_COMMON, __u16 code),
267 	    TP_ARGS(VCPU_ARGS_COMMON, code),
268 
269 	    TP_STRUCT__entry(
270 		    VCPU_FIELD_COMMON
271 		    __field(__u16, code)
272 		    ),
273 
274 	    TP_fast_assign(
275 		    VCPU_ASSIGN_COMMON
276 		    __entry->code = code;
277 		    ),
278 
279 	    VCPU_TP_PRINTK("handle diagnose call %04x (%s)", __entry->code,
280 			   __print_symbolic(__entry->code, diagnose_codes))
281 	);
282 
283 TRACE_EVENT(kvm_s390_handle_lctl,
284 	    TP_PROTO(VCPU_PROTO_COMMON, int g, int reg1, int reg3, u64 addr),
285 	    TP_ARGS(VCPU_ARGS_COMMON, g, reg1, reg3, addr),
286 
287 	    TP_STRUCT__entry(
288 		    VCPU_FIELD_COMMON
289 		    __field(int, g)
290 		    __field(int, reg1)
291 		    __field(int, reg3)
292 		    __field(u64, addr)
293 		    ),
294 
295 	    TP_fast_assign(
296 		    VCPU_ASSIGN_COMMON
297 		    __entry->g = g;
298 		    __entry->reg1 = reg1;
299 		    __entry->reg3 = reg3;
300 		    __entry->addr = addr;
301 		    ),
302 
303 	    VCPU_TP_PRINTK("%s: loading cr %x-%x from %016llx",
304 			   __entry->g ? "lctlg" : "lctl",
305 			   __entry->reg1, __entry->reg3, __entry->addr)
306 	);
307 
308 TRACE_EVENT(kvm_s390_handle_stctl,
309 	    TP_PROTO(VCPU_PROTO_COMMON, int g, int reg1, int reg3, u64 addr),
310 	    TP_ARGS(VCPU_ARGS_COMMON, g, reg1, reg3, addr),
311 
312 	    TP_STRUCT__entry(
313 		    VCPU_FIELD_COMMON
314 		    __field(int, g)
315 		    __field(int, reg1)
316 		    __field(int, reg3)
317 		    __field(u64, addr)
318 		    ),
319 
320 	    TP_fast_assign(
321 		    VCPU_ASSIGN_COMMON
322 		    __entry->g = g;
323 		    __entry->reg1 = reg1;
324 		    __entry->reg3 = reg3;
325 		    __entry->addr = addr;
326 		    ),
327 
328 	    VCPU_TP_PRINTK("%s: storing cr %x-%x to %016llx",
329 			   __entry->g ? "stctg" : "stctl",
330 			   __entry->reg1, __entry->reg3, __entry->addr)
331 	);
332 
333 TRACE_EVENT(kvm_s390_handle_prefix,
334 	    TP_PROTO(VCPU_PROTO_COMMON, int set, u32 address),
335 	    TP_ARGS(VCPU_ARGS_COMMON, set, address),
336 
337 	    TP_STRUCT__entry(
338 		    VCPU_FIELD_COMMON
339 		    __field(int, set)
340 		    __field(u32, address)
341 		    ),
342 
343 	    TP_fast_assign(
344 		    VCPU_ASSIGN_COMMON
345 		    __entry->set = set;
346 		    __entry->address = address;
347 		    ),
348 
349 	    VCPU_TP_PRINTK("%s prefix to %08x",
350 			   __entry->set ? "setting" : "storing",
351 			   __entry->address)
352 	);
353 
354 TRACE_EVENT(kvm_s390_handle_stap,
355 	    TP_PROTO(VCPU_PROTO_COMMON, u64 address),
356 	    TP_ARGS(VCPU_ARGS_COMMON, address),
357 
358 	    TP_STRUCT__entry(
359 		    VCPU_FIELD_COMMON
360 		    __field(u64, address)
361 		    ),
362 
363 	    TP_fast_assign(
364 		    VCPU_ASSIGN_COMMON
365 		    __entry->address = address;
366 		    ),
367 
368 	    VCPU_TP_PRINTK("storing cpu address to %016llx",
369 			   __entry->address)
370 	);
371 
372 TRACE_EVENT(kvm_s390_handle_stfl,
373 	    TP_PROTO(VCPU_PROTO_COMMON, unsigned int facility_list),
374 	    TP_ARGS(VCPU_ARGS_COMMON, facility_list),
375 
376 	    TP_STRUCT__entry(
377 		    VCPU_FIELD_COMMON
378 		    __field(unsigned int, facility_list)
379 		    ),
380 
381 	    TP_fast_assign(
382 		    VCPU_ASSIGN_COMMON
383 		    __entry->facility_list = facility_list;
384 		    ),
385 
386 	    VCPU_TP_PRINTK("store facility list value %08x",
387 			   __entry->facility_list)
388 	);
389 
390 TRACE_EVENT(kvm_s390_handle_stsi,
391 	    TP_PROTO(VCPU_PROTO_COMMON, int fc, int sel1, int sel2, u64 addr),
392 	    TP_ARGS(VCPU_ARGS_COMMON, fc, sel1, sel2, addr),
393 
394 	    TP_STRUCT__entry(
395 		    VCPU_FIELD_COMMON
396 		    __field(int, fc)
397 		    __field(int, sel1)
398 		    __field(int, sel2)
399 		    __field(u64, addr)
400 		    ),
401 
402 	    TP_fast_assign(
403 		    VCPU_ASSIGN_COMMON
404 		    __entry->fc = fc;
405 		    __entry->sel1 = sel1;
406 		    __entry->sel2 = sel2;
407 		    __entry->addr = addr;
408 		    ),
409 
410 	    VCPU_TP_PRINTK("STSI %d.%d.%d information stored to %016llx",
411 			   __entry->fc, __entry->sel1, __entry->sel2,
412 			   __entry->addr)
413 	);
414 
415 #endif /* _TRACE_KVM_H */
416 
417 /* This part must be outside protection */
418 #include <trace/define_trace.h>
419