1 /* SPDX-License-Identifier: GPL-2.0 */
2 #if !defined(_TRACE_KVMS390_H) || defined(TRACE_HEADER_MULTI_READ)
3 #define _TRACE_KVMS390_H
4 
5 #include <linux/tracepoint.h>
6 
7 #undef TRACE_SYSTEM
8 #define TRACE_SYSTEM kvm-s390
9 #define TRACE_INCLUDE_PATH .
10 #undef TRACE_INCLUDE_FILE
11 #define TRACE_INCLUDE_FILE trace-s390
12 
13 /*
14  * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
15  * legitimate C variable. It is not exported to user space.
16  */
17 #undef TRACE_SYSTEM_VAR
18 #define TRACE_SYSTEM_VAR kvm_s390
19 
20 /*
21  * Trace point for the creation of the kvm instance.
22  */
23 TRACE_EVENT(kvm_s390_create_vm,
24 	    TP_PROTO(unsigned long type),
25 	    TP_ARGS(type),
26 
27 	    TP_STRUCT__entry(
28 		    __field(unsigned long, type)
29 		    ),
30 
31 	    TP_fast_assign(
32 		    __entry->type = type;
33 		    ),
34 
35 	    TP_printk("create vm%s",
36 		      __entry->type & KVM_VM_S390_UCONTROL ? " (UCONTROL)" : "")
37 	);
38 
39 /*
40  * Trace points for creation and destruction of vpcus.
41  */
42 TRACE_EVENT(kvm_s390_create_vcpu,
43 	    TP_PROTO(unsigned int id, struct kvm_vcpu *vcpu,
44 		     struct kvm_s390_sie_block *sie_block),
45 	    TP_ARGS(id, vcpu, sie_block),
46 
47 	    TP_STRUCT__entry(
48 		    __field(unsigned int, id)
49 		    __field(struct kvm_vcpu *, vcpu)
50 		    __field(struct kvm_s390_sie_block *, sie_block)
51 		    ),
52 
53 	    TP_fast_assign(
54 		    __entry->id = id;
55 		    __entry->vcpu = vcpu;
56 		    __entry->sie_block = sie_block;
57 		    ),
58 
59 	    TP_printk("create cpu %d at 0x%pK, sie block at 0x%pK",
60 		      __entry->id, __entry->vcpu, __entry->sie_block)
61 	);
62 
63 TRACE_EVENT(kvm_s390_destroy_vcpu,
64 	    TP_PROTO(unsigned int id),
65 	    TP_ARGS(id),
66 
67 	    TP_STRUCT__entry(
68 		    __field(unsigned int, id)
69 		    ),
70 
71 	    TP_fast_assign(
72 		    __entry->id = id;
73 		    ),
74 
75 	    TP_printk("destroy cpu %d", __entry->id)
76 	);
77 
78 /*
79  * Trace point for start and stop of vpcus.
80  */
81 TRACE_EVENT(kvm_s390_vcpu_start_stop,
82 	    TP_PROTO(unsigned int id, int state),
83 	    TP_ARGS(id, state),
84 
85 	    TP_STRUCT__entry(
86 		    __field(unsigned int, id)
87 		    __field(int, state)
88 		    ),
89 
90 	    TP_fast_assign(
91 		    __entry->id = id;
92 		    __entry->state = state;
93 		    ),
94 
95 	    TP_printk("%s cpu %d", __entry->state ? "starting" : "stopping",
96 		      __entry->id)
97 	);
98 
99 /*
100  * Trace points for injection of interrupts, either per machine or
101  * per vcpu.
102  */
103 
104 #define kvm_s390_int_type						\
105 	{KVM_S390_SIGP_STOP, "sigp stop"},				\
106 	{KVM_S390_PROGRAM_INT, "program interrupt"},			\
107 	{KVM_S390_SIGP_SET_PREFIX, "sigp set prefix"},			\
108 	{KVM_S390_RESTART, "sigp restart"},				\
109 	{KVM_S390_INT_PFAULT_INIT, "pfault init"},			\
110 	{KVM_S390_INT_PFAULT_DONE, "pfault done"},			\
111 	{KVM_S390_MCHK, "machine check"},				\
112 	{KVM_S390_INT_CLOCK_COMP, "clock comparator"},			\
113 	{KVM_S390_INT_CPU_TIMER, "cpu timer"},				\
114 	{KVM_S390_INT_VIRTIO, "virtio interrupt"},			\
115 	{KVM_S390_INT_SERVICE, "sclp interrupt"},			\
116 	{KVM_S390_INT_EMERGENCY, "sigp emergency"},			\
117 	{KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
118 
119 #define get_irq_name(__type) \
120 	(__type > KVM_S390_INT_IO_MAX ? \
121 	__print_symbolic(__type, kvm_s390_int_type) : \
122 		(__type & KVM_S390_INT_IO_AI_MASK ? \
123 		 "adapter I/O interrupt" : "subchannel I/O interrupt"))
124 
125 TRACE_EVENT(kvm_s390_inject_vm,
126 	    TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
127 	    TP_ARGS(type, parm, parm64, who),
128 
129 	    TP_STRUCT__entry(
130 		    __field(__u32, inttype)
131 		    __field(__u32, parm)
132 		    __field(__u64, parm64)
133 		    __field(int, who)
134 		    ),
135 
136 	    TP_fast_assign(
137 		    __entry->inttype = type & 0x00000000ffffffff;
138 		    __entry->parm = parm;
139 		    __entry->parm64 = parm64;
140 		    __entry->who = who;
141 		    ),
142 
143 	    TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
144 		      (__entry->who == 1) ? " (from kernel)" :
145 		      (__entry->who == 2) ? " (from user)" : "",
146 		      __entry->inttype, get_irq_name(__entry->inttype),
147 		      __entry->parm, __entry->parm64)
148 	);
149 
150 TRACE_EVENT(kvm_s390_inject_vcpu,
151 	    TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64),
152 	    TP_ARGS(id, type, parm, parm64),
153 
154 	    TP_STRUCT__entry(
155 		    __field(int, id)
156 		    __field(__u32, inttype)
157 		    __field(__u32, parm)
158 		    __field(__u64, parm64)
159 		    ),
160 
161 	    TP_fast_assign(
162 		    __entry->id = id;
163 		    __entry->inttype = type & 0x00000000ffffffff;
164 		    __entry->parm = parm;
165 		    __entry->parm64 = parm64;
166 		    ),
167 
168 	    TP_printk("inject (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
169 		      __entry->id, __entry->inttype,
170 		      get_irq_name(__entry->inttype), __entry->parm,
171 		      __entry->parm64)
172 	);
173 
174 /*
175  * Trace point for the actual delivery of interrupts.
176  */
177 TRACE_EVENT(kvm_s390_deliver_interrupt,
178 	    TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
179 	    TP_ARGS(id, type, data0, data1),
180 
181 	    TP_STRUCT__entry(
182 		    __field(int, id)
183 		    __field(__u32, inttype)
184 		    __field(__u64, data0)
185 		    __field(__u64, data1)
186 		    ),
187 
188 	    TP_fast_assign(
189 		    __entry->id = id;
190 		    __entry->inttype = type & 0x00000000ffffffff;
191 		    __entry->data0 = data0;
192 		    __entry->data1 = data1;
193 		    ),
194 
195 	    TP_printk("deliver interrupt (vcpu %d): type:%x (%s) "	\
196 		      "data:%08llx %016llx",
197 		      __entry->id, __entry->inttype,
198 		      get_irq_name(__entry->inttype), __entry->data0,
199 		      __entry->data1)
200 	);
201 
202 /*
203  * Trace point for resets that may be requested from userspace.
204  */
205 TRACE_EVENT(kvm_s390_request_resets,
206 	    TP_PROTO(__u64 resets),
207 	    TP_ARGS(resets),
208 
209 	    TP_STRUCT__entry(
210 		    __field(__u64, resets)
211 		    ),
212 
213 	    TP_fast_assign(
214 		    __entry->resets = resets;
215 		    ),
216 
217 	    TP_printk("requesting userspace resets %llx",
218 		      __entry->resets)
219 	);
220 
221 /*
222  * Trace point for a vcpu's stop requests.
223  */
224 TRACE_EVENT(kvm_s390_stop_request,
225 	    TP_PROTO(unsigned char stop_irq, unsigned char flags),
226 	    TP_ARGS(stop_irq, flags),
227 
228 	    TP_STRUCT__entry(
229 		    __field(unsigned char, stop_irq)
230 		    __field(unsigned char, flags)
231 		    ),
232 
233 	    TP_fast_assign(
234 		    __entry->stop_irq = stop_irq;
235 		    __entry->flags = flags;
236 		    ),
237 
238 	    TP_printk("stop request, stop irq = %u, flags = %08x",
239 		      __entry->stop_irq, __entry->flags)
240 	);
241 
242 
243 /*
244  * Trace point for enabling channel I/O instruction support.
245  */
246 TRACE_EVENT(kvm_s390_enable_css,
247 	    TP_PROTO(void *kvm),
248 	    TP_ARGS(kvm),
249 
250 	    TP_STRUCT__entry(
251 		    __field(void *, kvm)
252 		    ),
253 
254 	    TP_fast_assign(
255 		    __entry->kvm = kvm;
256 		    ),
257 
258 	    TP_printk("enabling channel I/O support (kvm @ %pK)\n",
259 		      __entry->kvm)
260 	);
261 
262 /*
263  * Trace point for enabling and disabling interlocking-and-broadcasting
264  * suppression.
265  */
266 TRACE_EVENT(kvm_s390_enable_disable_ibs,
267 	    TP_PROTO(unsigned int id, int state),
268 	    TP_ARGS(id, state),
269 
270 	    TP_STRUCT__entry(
271 		    __field(unsigned int, id)
272 		    __field(int, state)
273 		    ),
274 
275 	    TP_fast_assign(
276 		    __entry->id = id;
277 		    __entry->state = state;
278 		    ),
279 
280 	    TP_printk("%s ibs on cpu %d",
281 		      __entry->state ? "enabling" : "disabling", __entry->id)
282 	);
283 
284 /*
285  * Trace point for modifying ais mode for a given isc.
286  */
287 TRACE_EVENT(kvm_s390_modify_ais_mode,
288 	    TP_PROTO(__u8 isc, __u16 from, __u16 to),
289 	    TP_ARGS(isc, from, to),
290 
291 	    TP_STRUCT__entry(
292 		    __field(__u8, isc)
293 		    __field(__u16, from)
294 		    __field(__u16, to)
295 		    ),
296 
297 	    TP_fast_assign(
298 		    __entry->isc = isc;
299 		    __entry->from = from;
300 		    __entry->to = to;
301 		    ),
302 
303 	    TP_printk("for isc %x, modifying interruption mode from %s to %s",
304 		      __entry->isc,
305 		      (__entry->from == KVM_S390_AIS_MODE_ALL) ?
306 		      "ALL-Interruptions Mode" :
307 		      (__entry->from == KVM_S390_AIS_MODE_SINGLE) ?
308 		      "Single-Interruption Mode" : "No-Interruptions Mode",
309 		      (__entry->to == KVM_S390_AIS_MODE_ALL) ?
310 		      "ALL-Interruptions Mode" :
311 		      (__entry->to == KVM_S390_AIS_MODE_SINGLE) ?
312 		      "Single-Interruption Mode" : "No-Interruptions Mode")
313 	);
314 
315 /*
316  * Trace point for suppressed adapter I/O interrupt.
317  */
318 TRACE_EVENT(kvm_s390_airq_suppressed,
319 	    TP_PROTO(__u32 id, __u8 isc),
320 	    TP_ARGS(id, isc),
321 
322 	    TP_STRUCT__entry(
323 		    __field(__u32, id)
324 		    __field(__u8, isc)
325 		    ),
326 
327 	    TP_fast_assign(
328 		    __entry->id = id;
329 		    __entry->isc = isc;
330 		    ),
331 
332 	    TP_printk("adapter I/O interrupt suppressed (id:%x isc:%x)",
333 		      __entry->id, __entry->isc)
334 	);
335 
336 
337 #endif /* _TRACE_KVMS390_H */
338 
339 /* This part must be outside protection */
340 #include <trace/define_trace.h>
341