LXR linux/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 */
  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#endif /* _TRACE_KVMS390_H */
 338
 339/* This part must be outside protection */
 340#include <trace/define_trace.h>
 341