arch/s390/kvm/trace-s390.h

   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>