xref: /openbmc/linux/arch/s390/kvm/trace-s390.h (revision 8730046c)
1 #if !defined(_TRACE_KVMS390_H) || defined(TRACE_HEADER_MULTI_READ)
2 #define _TRACE_KVMS390_H
3 
4 #include <linux/tracepoint.h>
5 
6 #undef TRACE_SYSTEM
7 #define TRACE_SYSTEM kvm-s390
8 #define TRACE_INCLUDE_PATH .
9 #undef TRACE_INCLUDE_FILE
10 #define TRACE_INCLUDE_FILE trace-s390
11 
12 /*
13  * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
14  * legitimate C variable. It is not exported to user space.
15  */
16 #undef TRACE_SYSTEM_VAR
17 #define TRACE_SYSTEM_VAR kvm_s390
18 
19 /*
20  * Trace point for the creation of the kvm instance.
21  */
22 TRACE_EVENT(kvm_s390_create_vm,
23 	    TP_PROTO(unsigned long type),
24 	    TP_ARGS(type),
25 
26 	    TP_STRUCT__entry(
27 		    __field(unsigned long, type)
28 		    ),
29 
30 	    TP_fast_assign(
31 		    __entry->type = type;
32 		    ),
33 
34 	    TP_printk("create vm%s",
35 		      __entry->type & KVM_VM_S390_UCONTROL ? " (UCONTROL)" : "")
36 	);
37 
38 /*
39  * Trace points for creation and destruction of vpcus.
40  */
41 TRACE_EVENT(kvm_s390_create_vcpu,
42 	    TP_PROTO(unsigned int id, struct kvm_vcpu *vcpu,
43 		     struct kvm_s390_sie_block *sie_block),
44 	    TP_ARGS(id, vcpu, sie_block),
45 
46 	    TP_STRUCT__entry(
47 		    __field(unsigned int, id)
48 		    __field(struct kvm_vcpu *, vcpu)
49 		    __field(struct kvm_s390_sie_block *, sie_block)
50 		    ),
51 
52 	    TP_fast_assign(
53 		    __entry->id = id;
54 		    __entry->vcpu = vcpu;
55 		    __entry->sie_block = sie_block;
56 		    ),
57 
58 	    TP_printk("create cpu %d at 0x%pK, sie block at 0x%pK",
59 		      __entry->id, __entry->vcpu, __entry->sie_block)
60 	);
61 
62 TRACE_EVENT(kvm_s390_destroy_vcpu,
63 	    TP_PROTO(unsigned int id),
64 	    TP_ARGS(id),
65 
66 	    TP_STRUCT__entry(
67 		    __field(unsigned int, id)
68 		    ),
69 
70 	    TP_fast_assign(
71 		    __entry->id = id;
72 		    ),
73 
74 	    TP_printk("destroy cpu %d", __entry->id)
75 	);
76 
77 /*
78  * Trace point for start and stop of vpcus.
79  */
80 TRACE_EVENT(kvm_s390_vcpu_start_stop,
81 	    TP_PROTO(unsigned int id, int state),
82 	    TP_ARGS(id, state),
83 
84 	    TP_STRUCT__entry(
85 		    __field(unsigned int, id)
86 		    __field(int, state)
87 		    ),
88 
89 	    TP_fast_assign(
90 		    __entry->id = id;
91 		    __entry->state = state;
92 		    ),
93 
94 	    TP_printk("%s cpu %d", __entry->state ? "starting" : "stopping",
95 		      __entry->id)
96 	);
97 
98 /*
99  * Trace points for injection of interrupts, either per machine or
100  * per vcpu.
101  */
102 
103 #define kvm_s390_int_type						\
104 	{KVM_S390_SIGP_STOP, "sigp stop"},				\
105 	{KVM_S390_PROGRAM_INT, "program interrupt"},			\
106 	{KVM_S390_SIGP_SET_PREFIX, "sigp set prefix"},			\
107 	{KVM_S390_RESTART, "sigp restart"},				\
108 	{KVM_S390_INT_PFAULT_INIT, "pfault init"},			\
109 	{KVM_S390_INT_PFAULT_DONE, "pfault done"},			\
110 	{KVM_S390_MCHK, "machine check"},				\
111 	{KVM_S390_INT_CLOCK_COMP, "clock comparator"},			\
112 	{KVM_S390_INT_CPU_TIMER, "cpu timer"},				\
113 	{KVM_S390_INT_VIRTIO, "virtio interrupt"},			\
114 	{KVM_S390_INT_SERVICE, "sclp interrupt"},			\
115 	{KVM_S390_INT_EMERGENCY, "sigp emergency"},			\
116 	{KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
117 
118 #define get_irq_name(__type) \
119 	(__type > KVM_S390_INT_IO_MAX ? \
120 	__print_symbolic(__type, kvm_s390_int_type) : \
121 		(__type & KVM_S390_INT_IO_AI_MASK ? \
122 		 "adapter I/O interrupt" : "subchannel I/O interrupt"))
123 
124 TRACE_EVENT(kvm_s390_inject_vm,
125 	    TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
126 	    TP_ARGS(type, parm, parm64, who),
127 
128 	    TP_STRUCT__entry(
129 		    __field(__u32, inttype)
130 		    __field(__u32, parm)
131 		    __field(__u64, parm64)
132 		    __field(int, who)
133 		    ),
134 
135 	    TP_fast_assign(
136 		    __entry->inttype = type & 0x00000000ffffffff;
137 		    __entry->parm = parm;
138 		    __entry->parm64 = parm64;
139 		    __entry->who = who;
140 		    ),
141 
142 	    TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
143 		      (__entry->who == 1) ? " (from kernel)" :
144 		      (__entry->who == 2) ? " (from user)" : "",
145 		      __entry->inttype, get_irq_name(__entry->inttype),
146 		      __entry->parm, __entry->parm64)
147 	);
148 
149 TRACE_EVENT(kvm_s390_inject_vcpu,
150 	    TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64),
151 	    TP_ARGS(id, type, parm, parm64),
152 
153 	    TP_STRUCT__entry(
154 		    __field(int, id)
155 		    __field(__u32, inttype)
156 		    __field(__u32, parm)
157 		    __field(__u64, parm64)
158 		    ),
159 
160 	    TP_fast_assign(
161 		    __entry->id = id;
162 		    __entry->inttype = type & 0x00000000ffffffff;
163 		    __entry->parm = parm;
164 		    __entry->parm64 = parm64;
165 		    ),
166 
167 	    TP_printk("inject (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
168 		      __entry->id, __entry->inttype,
169 		      get_irq_name(__entry->inttype), __entry->parm,
170 		      __entry->parm64)
171 	);
172 
173 /*
174  * Trace point for the actual delivery of interrupts.
175  */
176 TRACE_EVENT(kvm_s390_deliver_interrupt,
177 	    TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
178 	    TP_ARGS(id, type, data0, data1),
179 
180 	    TP_STRUCT__entry(
181 		    __field(int, id)
182 		    __field(__u32, inttype)
183 		    __field(__u64, data0)
184 		    __field(__u64, data1)
185 		    ),
186 
187 	    TP_fast_assign(
188 		    __entry->id = id;
189 		    __entry->inttype = type & 0x00000000ffffffff;
190 		    __entry->data0 = data0;
191 		    __entry->data1 = data1;
192 		    ),
193 
194 	    TP_printk("deliver interrupt (vcpu %d): type:%x (%s) "	\
195 		      "data:%08llx %016llx",
196 		      __entry->id, __entry->inttype,
197 		      get_irq_name(__entry->inttype), __entry->data0,
198 		      __entry->data1)
199 	);
200 
201 /*
202  * Trace point for resets that may be requested from userspace.
203  */
204 TRACE_EVENT(kvm_s390_request_resets,
205 	    TP_PROTO(__u64 resets),
206 	    TP_ARGS(resets),
207 
208 	    TP_STRUCT__entry(
209 		    __field(__u64, resets)
210 		    ),
211 
212 	    TP_fast_assign(
213 		    __entry->resets = resets;
214 		    ),
215 
216 	    TP_printk("requesting userspace resets %llx",
217 		      __entry->resets)
218 	);
219 
220 /*
221  * Trace point for a vcpu's stop requests.
222  */
223 TRACE_EVENT(kvm_s390_stop_request,
224 	    TP_PROTO(unsigned char stop_irq, unsigned char flags),
225 	    TP_ARGS(stop_irq, flags),
226 
227 	    TP_STRUCT__entry(
228 		    __field(unsigned char, stop_irq)
229 		    __field(unsigned char, flags)
230 		    ),
231 
232 	    TP_fast_assign(
233 		    __entry->stop_irq = stop_irq;
234 		    __entry->flags = flags;
235 		    ),
236 
237 	    TP_printk("stop request, stop irq = %u, flags = %08x",
238 		      __entry->stop_irq, __entry->flags)
239 	);
240 
241 
242 /*
243  * Trace point for enabling channel I/O instruction support.
244  */
245 TRACE_EVENT(kvm_s390_enable_css,
246 	    TP_PROTO(void *kvm),
247 	    TP_ARGS(kvm),
248 
249 	    TP_STRUCT__entry(
250 		    __field(void *, kvm)
251 		    ),
252 
253 	    TP_fast_assign(
254 		    __entry->kvm = kvm;
255 		    ),
256 
257 	    TP_printk("enabling channel I/O support (kvm @ %pK)\n",
258 		      __entry->kvm)
259 	);
260 
261 /*
262  * Trace point for enabling and disabling interlocking-and-broadcasting
263  * suppression.
264  */
265 TRACE_EVENT(kvm_s390_enable_disable_ibs,
266 	    TP_PROTO(unsigned int id, int state),
267 	    TP_ARGS(id, state),
268 
269 	    TP_STRUCT__entry(
270 		    __field(unsigned int, id)
271 		    __field(int, state)
272 		    ),
273 
274 	    TP_fast_assign(
275 		    __entry->id = id;
276 		    __entry->state = state;
277 		    ),
278 
279 	    TP_printk("%s ibs on cpu %d",
280 		      __entry->state ? "enabling" : "disabling", __entry->id)
281 	);
282 
283 
284 #endif /* _TRACE_KVMS390_H */
285 
286 /* This part must be outside protection */
287 #include <trace/define_trace.h>
288