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 */
23TRACE_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 */
42TRACE_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
63TRACE_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 */
81TRACE_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
125TRACE_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
150TRACE_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 */
177TRACE_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 */
205TRACE_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 */
224TRACE_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 */
246TRACE_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 */
266TRACE_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 */
287TRACE_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 */
318TRACE_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 * Trace point for gmap notifier calls.
338 */
339TRACE_EVENT(kvm_s390_gmap_notifier,
340	    TP_PROTO(unsigned long start, unsigned long end, unsigned int shadow),
341	    TP_ARGS(start, end, shadow),
342
343	    TP_STRUCT__entry(
344		    __field(unsigned long, start)
345		    __field(unsigned long, end)
346		    __field(unsigned int, shadow)
347		    ),
348
349	    TP_fast_assign(
350		    __entry->start = start;
351		    __entry->end = end;
352		    __entry->shadow = shadow;
353		    ),
354
355	    TP_printk("gmap notified (start:0x%lx end:0x%lx shadow:%d)",
356		      __entry->start, __entry->end, __entry->shadow)
357	);
358
359
360#endif /* _TRACE_KVMS390_H */
361
362/* This part must be outside protection */
363#include <trace/define_trace.h>
364