1 /* SPDX-License-Identifier: GPL-2.0 */
2 #if !defined(_TRACE_ARM_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
3 #define _TRACE_ARM_ARM64_KVM_H
4 
5 #include <asm/kvm_emulate.h>
6 #include <kvm/arm_arch_timer.h>
7 #include <linux/tracepoint.h>
8 
9 #undef TRACE_SYSTEM
10 #define TRACE_SYSTEM kvm
11 
12 /*
13  * Tracepoints for entry/exit to guest
14  */
15 TRACE_EVENT(kvm_entry,
16 	TP_PROTO(unsigned long vcpu_pc),
17 	TP_ARGS(vcpu_pc),
18 
19 	TP_STRUCT__entry(
20 		__field(	unsigned long,	vcpu_pc		)
21 	),
22 
23 	TP_fast_assign(
24 		__entry->vcpu_pc		= vcpu_pc;
25 	),
26 
27 	TP_printk("PC: 0x%016lx", __entry->vcpu_pc)
28 );
29 
30 TRACE_EVENT(kvm_exit,
31 	TP_PROTO(int ret, unsigned int esr_ec, unsigned long vcpu_pc),
32 	TP_ARGS(ret, esr_ec, vcpu_pc),
33 
34 	TP_STRUCT__entry(
35 		__field(	int,		ret		)
36 		__field(	unsigned int,	esr_ec		)
37 		__field(	unsigned long,	vcpu_pc		)
38 	),
39 
40 	TP_fast_assign(
41 		__entry->ret			= ARM_EXCEPTION_CODE(ret);
42 		__entry->esr_ec = ARM_EXCEPTION_IS_TRAP(ret) ? esr_ec : 0;
43 		__entry->vcpu_pc		= vcpu_pc;
44 	),
45 
46 	TP_printk("%s: HSR_EC: 0x%04x (%s), PC: 0x%016lx",
47 		  __print_symbolic(__entry->ret, kvm_arm_exception_type),
48 		  __entry->esr_ec,
49 		  __print_symbolic(__entry->esr_ec, kvm_arm_exception_class),
50 		  __entry->vcpu_pc)
51 );
52 
53 TRACE_EVENT(kvm_guest_fault,
54 	TP_PROTO(unsigned long vcpu_pc, unsigned long hsr,
55 		 unsigned long hxfar,
56 		 unsigned long long ipa),
57 	TP_ARGS(vcpu_pc, hsr, hxfar, ipa),
58 
59 	TP_STRUCT__entry(
60 		__field(	unsigned long,	vcpu_pc		)
61 		__field(	unsigned long,	hsr		)
62 		__field(	unsigned long,	hxfar		)
63 		__field(   unsigned long long,	ipa		)
64 	),
65 
66 	TP_fast_assign(
67 		__entry->vcpu_pc		= vcpu_pc;
68 		__entry->hsr			= hsr;
69 		__entry->hxfar			= hxfar;
70 		__entry->ipa			= ipa;
71 	),
72 
73 	TP_printk("ipa %#llx, hsr %#08lx, hxfar %#08lx, pc %#016lx",
74 		  __entry->ipa, __entry->hsr,
75 		  __entry->hxfar, __entry->vcpu_pc)
76 );
77 
78 TRACE_EVENT(kvm_access_fault,
79 	TP_PROTO(unsigned long ipa),
80 	TP_ARGS(ipa),
81 
82 	TP_STRUCT__entry(
83 		__field(	unsigned long,	ipa		)
84 	),
85 
86 	TP_fast_assign(
87 		__entry->ipa		= ipa;
88 	),
89 
90 	TP_printk("IPA: %lx", __entry->ipa)
91 );
92 
93 TRACE_EVENT(kvm_irq_line,
94 	TP_PROTO(unsigned int type, int vcpu_idx, int irq_num, int level),
95 	TP_ARGS(type, vcpu_idx, irq_num, level),
96 
97 	TP_STRUCT__entry(
98 		__field(	unsigned int,	type		)
99 		__field(	int,		vcpu_idx	)
100 		__field(	int,		irq_num		)
101 		__field(	int,		level		)
102 	),
103 
104 	TP_fast_assign(
105 		__entry->type		= type;
106 		__entry->vcpu_idx	= vcpu_idx;
107 		__entry->irq_num	= irq_num;
108 		__entry->level		= level;
109 	),
110 
111 	TP_printk("Inject %s interrupt (%d), vcpu->idx: %d, num: %d, level: %d",
112 		  (__entry->type == KVM_ARM_IRQ_TYPE_CPU) ? "CPU" :
113 		  (__entry->type == KVM_ARM_IRQ_TYPE_PPI) ? "VGIC PPI" :
114 		  (__entry->type == KVM_ARM_IRQ_TYPE_SPI) ? "VGIC SPI" : "UNKNOWN",
115 		  __entry->type, __entry->vcpu_idx, __entry->irq_num, __entry->level)
116 );
117 
118 TRACE_EVENT(kvm_mmio_emulate,
119 	TP_PROTO(unsigned long vcpu_pc, unsigned long instr,
120 		 unsigned long cpsr),
121 	TP_ARGS(vcpu_pc, instr, cpsr),
122 
123 	TP_STRUCT__entry(
124 		__field(	unsigned long,	vcpu_pc		)
125 		__field(	unsigned long,	instr		)
126 		__field(	unsigned long,	cpsr		)
127 	),
128 
129 	TP_fast_assign(
130 		__entry->vcpu_pc		= vcpu_pc;
131 		__entry->instr			= instr;
132 		__entry->cpsr			= cpsr;
133 	),
134 
135 	TP_printk("Emulate MMIO at: 0x%016lx (instr: %08lx, cpsr: %08lx)",
136 		  __entry->vcpu_pc, __entry->instr, __entry->cpsr)
137 );
138 
139 TRACE_EVENT(kvm_mmio_nisv,
140 	TP_PROTO(unsigned long vcpu_pc, unsigned long esr,
141 		 unsigned long far, unsigned long ipa),
142 	TP_ARGS(vcpu_pc, esr, far, ipa),
143 
144 	TP_STRUCT__entry(
145 		__field(	unsigned long,	vcpu_pc		)
146 		__field(	unsigned long,	esr		)
147 		__field(	unsigned long,	far		)
148 		__field(	unsigned long,	ipa		)
149 	),
150 
151 	TP_fast_assign(
152 		__entry->vcpu_pc		= vcpu_pc;
153 		__entry->esr			= esr;
154 		__entry->far			= far;
155 		__entry->ipa			= ipa;
156 	),
157 
158 	TP_printk("ipa %#016lx, esr %#016lx, far %#016lx, pc %#016lx",
159 		  __entry->ipa, __entry->esr,
160 		  __entry->far, __entry->vcpu_pc)
161 );
162 
163 
164 TRACE_EVENT(kvm_set_way_flush,
165 	    TP_PROTO(unsigned long vcpu_pc, bool cache),
166 	    TP_ARGS(vcpu_pc, cache),
167 
168 	    TP_STRUCT__entry(
169 		    __field(	unsigned long,	vcpu_pc		)
170 		    __field(	bool,		cache		)
171 	    ),
172 
173 	    TP_fast_assign(
174 		    __entry->vcpu_pc		= vcpu_pc;
175 		    __entry->cache		= cache;
176 	    ),
177 
178 	    TP_printk("S/W flush at 0x%016lx (cache %s)",
179 		      __entry->vcpu_pc, __entry->cache ? "on" : "off")
180 );
181 
182 TRACE_EVENT(kvm_toggle_cache,
183 	    TP_PROTO(unsigned long vcpu_pc, bool was, bool now),
184 	    TP_ARGS(vcpu_pc, was, now),
185 
186 	    TP_STRUCT__entry(
187 		    __field(	unsigned long,	vcpu_pc		)
188 		    __field(	bool,		was		)
189 		    __field(	bool,		now		)
190 	    ),
191 
192 	    TP_fast_assign(
193 		    __entry->vcpu_pc		= vcpu_pc;
194 		    __entry->was		= was;
195 		    __entry->now		= now;
196 	    ),
197 
198 	    TP_printk("VM op at 0x%016lx (cache was %s, now %s)",
199 		      __entry->vcpu_pc, __entry->was ? "on" : "off",
200 		      __entry->now ? "on" : "off")
201 );
202 
203 /*
204  * Tracepoints for arch_timer
205  */
206 TRACE_EVENT(kvm_timer_update_irq,
207 	TP_PROTO(unsigned long vcpu_id, __u32 irq, int level),
208 	TP_ARGS(vcpu_id, irq, level),
209 
210 	TP_STRUCT__entry(
211 		__field(	unsigned long,	vcpu_id	)
212 		__field(	__u32,		irq	)
213 		__field(	int,		level	)
214 	),
215 
216 	TP_fast_assign(
217 		__entry->vcpu_id	= vcpu_id;
218 		__entry->irq		= irq;
219 		__entry->level		= level;
220 	),
221 
222 	TP_printk("VCPU: %ld, IRQ %d, level %d",
223 		  __entry->vcpu_id, __entry->irq, __entry->level)
224 );
225 
226 TRACE_EVENT(kvm_get_timer_map,
227 	TP_PROTO(unsigned long vcpu_id, struct timer_map *map),
228 	TP_ARGS(vcpu_id, map),
229 
230 	TP_STRUCT__entry(
231 		__field(	unsigned long,		vcpu_id	)
232 		__field(	int,			direct_vtimer	)
233 		__field(	int,			direct_ptimer	)
234 		__field(	int,			emul_vtimer	)
235 		__field(	int,			emul_ptimer	)
236 	),
237 
238 	TP_fast_assign(
239 		__entry->vcpu_id		= vcpu_id;
240 		__entry->direct_vtimer		= arch_timer_ctx_index(map->direct_vtimer);
241 		__entry->direct_ptimer =
242 			(map->direct_ptimer) ? arch_timer_ctx_index(map->direct_ptimer) : -1;
243 		__entry->emul_vtimer =
244 			(map->emul_vtimer) ? arch_timer_ctx_index(map->emul_vtimer) : -1;
245 		__entry->emul_ptimer =
246 			(map->emul_ptimer) ? arch_timer_ctx_index(map->emul_ptimer) : -1;
247 	),
248 
249 	TP_printk("VCPU: %ld, dv: %d, dp: %d, ev: %d, ep: %d",
250 		  __entry->vcpu_id,
251 		  __entry->direct_vtimer,
252 		  __entry->direct_ptimer,
253 		  __entry->emul_vtimer,
254 		  __entry->emul_ptimer)
255 );
256 
257 TRACE_EVENT(kvm_timer_save_state,
258 	TP_PROTO(struct arch_timer_context *ctx),
259 	TP_ARGS(ctx),
260 
261 	TP_STRUCT__entry(
262 		__field(	unsigned long,		ctl		)
263 		__field(	unsigned long long,	cval		)
264 		__field(	int,			timer_idx	)
265 	),
266 
267 	TP_fast_assign(
268 		__entry->ctl			= timer_get_ctl(ctx);
269 		__entry->cval			= timer_get_cval(ctx);
270 		__entry->timer_idx		= arch_timer_ctx_index(ctx);
271 	),
272 
273 	TP_printk("   CTL: %#08lx CVAL: %#16llx arch_timer_ctx_index: %d",
274 		  __entry->ctl,
275 		  __entry->cval,
276 		  __entry->timer_idx)
277 );
278 
279 TRACE_EVENT(kvm_timer_restore_state,
280 	TP_PROTO(struct arch_timer_context *ctx),
281 	TP_ARGS(ctx),
282 
283 	TP_STRUCT__entry(
284 		__field(	unsigned long,		ctl		)
285 		__field(	unsigned long long,	cval		)
286 		__field(	int,			timer_idx	)
287 	),
288 
289 	TP_fast_assign(
290 		__entry->ctl			= timer_get_ctl(ctx);
291 		__entry->cval			= timer_get_cval(ctx);
292 		__entry->timer_idx		= arch_timer_ctx_index(ctx);
293 	),
294 
295 	TP_printk("CTL: %#08lx CVAL: %#16llx arch_timer_ctx_index: %d",
296 		  __entry->ctl,
297 		  __entry->cval,
298 		  __entry->timer_idx)
299 );
300 
301 TRACE_EVENT(kvm_timer_hrtimer_expire,
302 	TP_PROTO(struct arch_timer_context *ctx),
303 	TP_ARGS(ctx),
304 
305 	TP_STRUCT__entry(
306 		__field(	int,			timer_idx	)
307 	),
308 
309 	TP_fast_assign(
310 		__entry->timer_idx		= arch_timer_ctx_index(ctx);
311 	),
312 
313 	TP_printk("arch_timer_ctx_index: %d", __entry->timer_idx)
314 );
315 
316 TRACE_EVENT(kvm_timer_emulate,
317 	TP_PROTO(struct arch_timer_context *ctx, bool should_fire),
318 	TP_ARGS(ctx, should_fire),
319 
320 	TP_STRUCT__entry(
321 		__field(	int,			timer_idx	)
322 		__field(	bool,			should_fire	)
323 	),
324 
325 	TP_fast_assign(
326 		__entry->timer_idx		= arch_timer_ctx_index(ctx);
327 		__entry->should_fire		= should_fire;
328 	),
329 
330 	TP_printk("arch_timer_ctx_index: %d (should_fire: %d)",
331 		  __entry->timer_idx, __entry->should_fire)
332 );
333 
334 TRACE_EVENT(kvm_nested_eret,
335 	TP_PROTO(struct kvm_vcpu *vcpu, unsigned long elr_el2,
336 		 unsigned long spsr_el2),
337 	TP_ARGS(vcpu, elr_el2, spsr_el2),
338 
339 	TP_STRUCT__entry(
340 		__field(struct kvm_vcpu *,	vcpu)
341 		__field(unsigned long,		elr_el2)
342 		__field(unsigned long,		spsr_el2)
343 		__field(unsigned long,		target_mode)
344 		__field(unsigned long,		hcr_el2)
345 	),
346 
347 	TP_fast_assign(
348 		__entry->vcpu = vcpu;
349 		__entry->elr_el2 = elr_el2;
350 		__entry->spsr_el2 = spsr_el2;
351 		__entry->target_mode = spsr_el2 & (PSR_MODE_MASK | PSR_MODE32_BIT);
352 		__entry->hcr_el2 = __vcpu_sys_reg(vcpu, HCR_EL2);
353 	),
354 
355 	TP_printk("elr_el2: 0x%lx spsr_el2: 0x%08lx (M: %s) hcr_el2: %lx",
356 		  __entry->elr_el2, __entry->spsr_el2,
357 		  __print_symbolic(__entry->target_mode, kvm_mode_names),
358 		  __entry->hcr_el2)
359 );
360 
361 TRACE_EVENT(kvm_inject_nested_exception,
362 	TP_PROTO(struct kvm_vcpu *vcpu, u64 esr_el2, int type),
363 	TP_ARGS(vcpu, esr_el2, type),
364 
365 	TP_STRUCT__entry(
366 		__field(struct kvm_vcpu *,		vcpu)
367 		__field(unsigned long,			esr_el2)
368 		__field(int,				type)
369 		__field(unsigned long,			spsr_el2)
370 		__field(unsigned long,			pc)
371 		__field(unsigned long,			source_mode)
372 		__field(unsigned long,			hcr_el2)
373 	),
374 
375 	TP_fast_assign(
376 		__entry->vcpu = vcpu;
377 		__entry->esr_el2 = esr_el2;
378 		__entry->type = type;
379 		__entry->spsr_el2 = *vcpu_cpsr(vcpu);
380 		__entry->pc = *vcpu_pc(vcpu);
381 		__entry->source_mode = *vcpu_cpsr(vcpu) & (PSR_MODE_MASK | PSR_MODE32_BIT);
382 		__entry->hcr_el2 = __vcpu_sys_reg(vcpu, HCR_EL2);
383 	),
384 
385 	TP_printk("%s: esr_el2 0x%lx elr_el2: 0x%lx spsr_el2: 0x%08lx (M: %s) hcr_el2: %lx",
386 		  __print_symbolic(__entry->type, kvm_exception_type_names),
387 		  __entry->esr_el2, __entry->pc, __entry->spsr_el2,
388 		  __print_symbolic(__entry->source_mode, kvm_mode_names),
389 		  __entry->hcr_el2)
390 );
391 
392 TRACE_EVENT(kvm_forward_sysreg_trap,
393 	    TP_PROTO(struct kvm_vcpu *vcpu, u32 sysreg, bool is_read),
394 	    TP_ARGS(vcpu, sysreg, is_read),
395 
396 	    TP_STRUCT__entry(
397 		__field(u64,	pc)
398 		__field(u32,	sysreg)
399 		__field(bool,	is_read)
400 	    ),
401 
402 	    TP_fast_assign(
403 		__entry->pc = *vcpu_pc(vcpu);
404 		__entry->sysreg = sysreg;
405 		__entry->is_read = is_read;
406 	    ),
407 
408 	    TP_printk("%llx %c (%d,%d,%d,%d,%d)",
409 		      __entry->pc,
410 		      __entry->is_read ? 'R' : 'W',
411 		      sys_reg_Op0(__entry->sysreg),
412 		      sys_reg_Op1(__entry->sysreg),
413 		      sys_reg_CRn(__entry->sysreg),
414 		      sys_reg_CRm(__entry->sysreg),
415 		      sys_reg_Op2(__entry->sysreg))
416 );
417 
418 #endif /* _TRACE_ARM_ARM64_KVM_H */
419 
420 #undef TRACE_INCLUDE_PATH
421 #define TRACE_INCLUDE_PATH .
422 #undef TRACE_INCLUDE_FILE
423 #define TRACE_INCLUDE_FILE trace_arm
424 
425 /* This part must be outside protection */
426 #include <trace/define_trace.h>
427