arch/x86/kvm/trace.h

   1 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define _TRACE_KVM_H
   3
   4 #include <linux/tracepoint.h>
   5
   6 #undef TRACE_SYSTEM
   7 #define TRACE_SYSTEM kvm
   8
   9 /*
  10  * Tracepoint for guest mode entry.
  11  */
  12 TRACE_EVENT(kvm_entry,
  13         TP_PROTO(unsigned int vcpu_id),
  14         TP_ARGS(vcpu_id),
  15
  16         TP_STRUCT__entry(
  17                 __field(        unsigned int,   vcpu_id         )
  18         ),
  19
  20         TP_fast_assign(
  21                 __entry->vcpu_id        = vcpu_id;
  22         ),
  23
  24         TP_printk("vcpu %u", __entry->vcpu_id)
  25 );
  26
  27 /*
  28  * Tracepoint for hypercall.
  29  */
  30 TRACE_EVENT(kvm_hypercall,
  31         TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
  32                  unsigned long a2, unsigned long a3),
  33         TP_ARGS(nr, a0, a1, a2, a3),
  34
  35         TP_STRUCT__entry(
  36                 __field(        unsigned long,  nr              )
  37                 __field(        unsigned long,  a0              )
  38                 __field(        unsigned long,  a1              )
  39                 __field(        unsigned long,  a2              )
  40                 __field(        unsigned long,  a3              )
  41         ),
  42
  43         TP_fast_assign(
  44                 __entry->nr             = nr;
  45                 __entry->a0             = a0;
  46                 __entry->a1             = a1;
  47                 __entry->a2             = a2;
  48                 __entry->a3             = a3;
  49         ),
  50
  51         TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx",
  52                  __entry->nr, __entry->a0, __entry->a1,  __entry->a2,
  53                  __entry->a3)
  54 );
  55
  56 /*
  57  * Tracepoint for hypercall.
  58  */
  59 TRACE_EVENT(kvm_hv_hypercall,
  60         TP_PROTO(__u16 code, bool fast, __u16 rep_cnt, __u16 rep_idx,
  61                  __u64 ingpa, __u64 outgpa),
  62         TP_ARGS(code, fast, rep_cnt, rep_idx, ingpa, outgpa),
  63
  64         TP_STRUCT__entry(
  65                 __field(        __u16,          code            )
  66                 __field(        bool,           fast            )
  67                 __field(        __u16,          rep_cnt         )
  68                 __field(        __u16,          rep_idx         )
  69                 __field(        __u64,          ingpa           )
  70                 __field(        __u64,          outgpa          )
  71         ),
  72
  73         TP_fast_assign(
  74                 __entry->code           = code;
  75                 __entry->fast           = fast;
  76                 __entry->rep_cnt        = rep_cnt;
  77                 __entry->rep_idx        = rep_idx;
  78                 __entry->ingpa          = ingpa;
  79                 __entry->outgpa         = outgpa;
  80         ),
  81
  82         TP_printk("code 0x%x %s cnt 0x%x idx 0x%x in 0x%llx out 0x%llx",
  83                   __entry->code, __entry->fast ? "fast" : "slow",
  84                   __entry->rep_cnt, __entry->rep_idx,  __entry->ingpa,
  85                   __entry->outgpa)
  86 );
  87
  88 /*
  89  * Tracepoint for PIO.
  90  */
  91 TRACE_EVENT(kvm_pio,
  92         TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
  93                  unsigned int count),
  94         TP_ARGS(rw, port, size, count),
  95
  96         TP_STRUCT__entry(
  97                 __field(        unsigned int,   rw              )
  98                 __field(        unsigned int,   port            )
  99                 __field(        unsigned int,   size            )
 100                 __field(        unsigned int,   count           )
 101         ),
 102
 103         TP_fast_assign(
 104                 __entry->rw             = rw;
 105                 __entry->port           = port;
 106                 __entry->size           = size;
 107                 __entry->count          = count;
 108         ),
 109
 110         TP_printk("pio_%s at 0x%x size %d count %d",
 111                   __entry->rw ? "write" : "read",
 112                   __entry->port, __entry->size, __entry->count)
 113 );
 114
 115 /*
 116  * Tracepoint for cpuid.
 117  */
 118 TRACE_EVENT(kvm_cpuid,
 119         TP_PROTO(unsigned int function, unsigned long rax, unsigned long rbx,
 120                  unsigned long rcx, unsigned long rdx),
 121         TP_ARGS(function, rax, rbx, rcx, rdx),
 122
 123         TP_STRUCT__entry(
 124                 __field(        unsigned int,   function        )
 125                 __field(        unsigned long,  rax             )
 126                 __field(        unsigned long,  rbx             )
 127                 __field(        unsigned long,  rcx             )
 128                 __field(        unsigned long,  rdx             )
 129         ),
 130
 131         TP_fast_assign(
 132                 __entry->function       = function;
 133                 __entry->rax            = rax;
 134                 __entry->rbx            = rbx;
 135                 __entry->rcx            = rcx;
 136                 __entry->rdx            = rdx;
 137         ),
 138
 139         TP_printk("func %x rax %lx rbx %lx rcx %lx rdx %lx",
 140                   __entry->function, __entry->rax,
 141                   __entry->rbx, __entry->rcx, __entry->rdx)
 142 );
 143
 144 #define AREG(x) { APIC_##x, "APIC_" #x }
 145
 146 #define kvm_trace_symbol_apic                                               \
 147         AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI),    \
 148         AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR),  \
 149         AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
 150         AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR),   \
 151         AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT),  \
 152         AREG(ECTRL)
 153 /*
 154  * Tracepoint for apic access.
 155  */
 156 TRACE_EVENT(kvm_apic,
 157         TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
 158         TP_ARGS(rw, reg, val),
 159
 160         TP_STRUCT__entry(
 161                 __field(        unsigned int,   rw              )
 162                 __field(        unsigned int,   reg             )
 163                 __field(        unsigned int,   val             )
 164         ),
 165
 166         TP_fast_assign(
 167                 __entry->rw             = rw;
 168                 __entry->reg            = reg;
 169                 __entry->val            = val;
 170         ),
 171
 172         TP_printk("apic_%s %s = 0x%x",
 173                   __entry->rw ? "write" : "read",
 174                   __print_symbolic(__entry->reg, kvm_trace_symbol_apic),
 175                   __entry->val)
 176 );
 177
 178 #define trace_kvm_apic_read(reg, val)           trace_kvm_apic(0, reg, val)
 179 #define trace_kvm_apic_write(reg, val)          trace_kvm_apic(1, reg, val)
 180
 181 #define KVM_ISA_VMX   1
 182 #define KVM_ISA_SVM   2
 183
 184 /*
 185  * Tracepoint for kvm guest exit:
 186  */
 187 TRACE_EVENT(kvm_exit,
 188         TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
 189         TP_ARGS(exit_reason, vcpu, isa),
 190
 191         TP_STRUCT__entry(
 192                 __field(        unsigned int,   exit_reason     )
 193                 __field(        unsigned long,  guest_rip       )
 194                 __field(        u32,            isa             )
 195         ),
 196
 197         TP_fast_assign(
 198                 __entry->exit_reason    = exit_reason;
 199                 __entry->guest_rip      = kvm_rip_read(vcpu);
 200                 __entry->isa            = isa;
 201         ),
 202
 203         TP_printk("reason %s rip 0x%lx",
 204                  ftrace_print_symbols_seq(p, __entry->exit_reason,
 205                                           kvm_x86_ops->exit_reasons_str),
 206                  __entry->guest_rip)
 207 );
 208
 209 /*
 210  * Tracepoint for kvm interrupt injection:
 211  */
 212 TRACE_EVENT(kvm_inj_virq,
 213         TP_PROTO(unsigned int irq),
 214         TP_ARGS(irq),
 215
 216         TP_STRUCT__entry(
 217                 __field(        unsigned int,   irq             )
 218         ),
 219
 220         TP_fast_assign(
 221                 __entry->irq            = irq;
 222         ),
 223
 224         TP_printk("irq %u", __entry->irq)
 225 );
 226
 227 #define EXS(x) { x##_VECTOR, "#" #x }
 228
 229 #define kvm_trace_sym_exc                                               \
 230         EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM),  \
 231         EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF),           \
 232         EXS(MF), EXS(MC)
 233
 234 /*
 235  * Tracepoint for kvm interrupt injection:
 236  */
 237 TRACE_EVENT(kvm_inj_exception,
 238         TP_PROTO(unsigned exception, bool has_error, unsigned error_code),
 239         TP_ARGS(exception, has_error, error_code),
 240
 241         TP_STRUCT__entry(
 242                 __field(        u8,     exception       )
 243                 __field(        u8,     has_error       )
 244                 __field(        u32,    error_code      )
 245         ),
 246
 247         TP_fast_assign(
 248                 __entry->exception      = exception;
 249                 __entry->has_error      = has_error;
 250                 __entry->error_code     = error_code;
 251         ),
 252
 253         TP_printk("%s (0x%x)",
 254                   __print_symbolic(__entry->exception, kvm_trace_sym_exc),
 255                   /* FIXME: don't print error_code if not present */
 256                   __entry->has_error ? __entry->error_code : 0)
 257 );
 258
 259 /*
 260  * Tracepoint for page fault.
 261  */
 262 TRACE_EVENT(kvm_page_fault,
 263         TP_PROTO(unsigned long fault_address, unsigned int error_code),
 264         TP_ARGS(fault_address, error_code),
 265
 266         TP_STRUCT__entry(
 267                 __field(        unsigned long,  fault_address   )
 268                 __field(        unsigned int,   error_code      )
 269         ),
 270
 271         TP_fast_assign(
 272                 __entry->fault_address  = fault_address;
 273                 __entry->error_code     = error_code;
 274         ),
 275
 276         TP_printk("address %lx error_code %x",
 277                   __entry->fault_address, __entry->error_code)
 278 );
 279
 280 /*
 281  * Tracepoint for guest MSR access.
 282  */
 283 TRACE_EVENT(kvm_msr,
 284         TP_PROTO(unsigned write, u32 ecx, u64 data, bool exception),
 285         TP_ARGS(write, ecx, data, exception),
 286
 287         TP_STRUCT__entry(
 288                 __field(        unsigned,       write           )
 289                 __field(        u32,            ecx             )
 290                 __field(        u64,            data            )
 291                 __field(        u8,             exception       )
 292         ),
 293
 294         TP_fast_assign(
 295                 __entry->write          = write;
 296                 __entry->ecx            = ecx;
 297                 __entry->data           = data;
 298                 __entry->exception      = exception;
 299         ),
 300
 301         TP_printk("msr_%s %x = 0x%llx%s",
 302                   __entry->write ? "write" : "read",
 303                   __entry->ecx, __entry->data,
 304                   __entry->exception ? " (#GP)" : "")
 305 );
 306
 307 #define trace_kvm_msr_read(ecx, data)      trace_kvm_msr(0, ecx, data, false)
 308 #define trace_kvm_msr_write(ecx, data)     trace_kvm_msr(1, ecx, data, false)
 309 #define trace_kvm_msr_read_ex(ecx)         trace_kvm_msr(0, ecx, 0, true)
 310 #define trace_kvm_msr_write_ex(ecx, data)  trace_kvm_msr(1, ecx, data, true)
 311
 312 /*
 313  * Tracepoint for guest CR access.
 314  */
 315 TRACE_EVENT(kvm_cr,
 316         TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
 317         TP_ARGS(rw, cr, val),
 318
 319         TP_STRUCT__entry(
 320                 __field(        unsigned int,   rw              )
 321                 __field(        unsigned int,   cr              )
 322                 __field(        unsigned long,  val             )
 323         ),
 324
 325         TP_fast_assign(
 326                 __entry->rw             = rw;
 327                 __entry->cr             = cr;
 328                 __entry->val            = val;
 329         ),
 330
 331         TP_printk("cr_%s %x = 0x%lx",
 332                   __entry->rw ? "write" : "read",
 333                   __entry->cr, __entry->val)
 334 );
 335
 336 #define trace_kvm_cr_read(cr, val)              trace_kvm_cr(0, cr, val)
 337 #define trace_kvm_cr_write(cr, val)             trace_kvm_cr(1, cr, val)
 338
 339 TRACE_EVENT(kvm_pic_set_irq,
 340             TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
 341             TP_ARGS(chip, pin, elcr, imr, coalesced),
 342
 343         TP_STRUCT__entry(
 344                 __field(        __u8,           chip            )
 345                 __field(        __u8,           pin             )
 346                 __field(        __u8,           elcr            )
 347                 __field(        __u8,           imr             )
 348                 __field(        bool,           coalesced       )
 349         ),
 350
 351         TP_fast_assign(
 352                 __entry->chip           = chip;
 353                 __entry->pin            = pin;
 354                 __entry->elcr           = elcr;
 355                 __entry->imr            = imr;
 356                 __entry->coalesced      = coalesced;
 357         ),
 358
 359         TP_printk("chip %u pin %u (%s%s)%s",
 360                   __entry->chip, __entry->pin,
 361                   (__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
 362                   (__entry->imr & (1 << __entry->pin)) ? "|masked":"",
 363                   __entry->coalesced ? " (coalesced)" : "")
 364 );
 365
 366 #define kvm_apic_dst_shorthand          \
 367         {0x0, "dst"},                   \
 368         {0x1, "self"},                  \
 369         {0x2, "all"},                   \
 370         {0x3, "all-but-self"}
 371
 372 TRACE_EVENT(kvm_apic_ipi,
 373             TP_PROTO(__u32 icr_low, __u32 dest_id),
 374             TP_ARGS(icr_low, dest_id),
 375
 376         TP_STRUCT__entry(
 377                 __field(        __u32,          icr_low         )
 378                 __field(        __u32,          dest_id         )
 379         ),
 380
 381         TP_fast_assign(
 382                 __entry->icr_low        = icr_low;
 383                 __entry->dest_id        = dest_id;
 384         ),
 385
 386         TP_printk("dst %x vec %u (%s|%s|%s|%s|%s)",
 387                   __entry->dest_id, (u8)__entry->icr_low,
 388                   __print_symbolic((__entry->icr_low >> 8 & 0x7),
 389                                    kvm_deliver_mode),
 390                   (__entry->icr_low & (1<<11)) ? "logical" : "physical",
 391                   (__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
 392                   (__entry->icr_low & (1<<15)) ? "level" : "edge",
 393                   __print_symbolic((__entry->icr_low >> 18 & 0x3),
 394                                    kvm_apic_dst_shorthand))
 395 );
 396
 397 TRACE_EVENT(kvm_apic_accept_irq,
 398             TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
 399             TP_ARGS(apicid, dm, tm, vec, coalesced),
 400
 401         TP_STRUCT__entry(
 402                 __field(        __u32,          apicid          )
 403                 __field(        __u16,          dm              )
 404                 __field(        __u8,           tm              )
 405                 __field(        __u8,           vec             )
 406                 __field(        bool,           coalesced       )
 407         ),
 408
 409         TP_fast_assign(
 410                 __entry->apicid         = apicid;
 411                 __entry->dm             = dm;
 412                 __entry->tm             = tm;
 413                 __entry->vec            = vec;
 414                 __entry->coalesced      = coalesced;
 415         ),
 416
 417         TP_printk("apicid %x vec %u (%s|%s)%s",
 418                   __entry->apicid, __entry->vec,
 419                   __print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
 420                   __entry->tm ? "level" : "edge",
 421                   __entry->coalesced ? " (coalesced)" : "")
 422 );
 423
 424 /*
 425  * Tracepoint for nested VMRUN
 426  */
 427 TRACE_EVENT(kvm_nested_vmrun,
 428             TP_PROTO(__u64 rip, __u64 vmcb, __u64 nested_rip, __u32 int_ctl,
 429                      __u32 event_inj, bool npt),
 430             TP_ARGS(rip, vmcb, nested_rip, int_ctl, event_inj, npt),
 431
 432         TP_STRUCT__entry(
 433                 __field(        __u64,          rip             )
 434                 __field(        __u64,          vmcb            )
 435                 __field(        __u64,          nested_rip      )
 436                 __field(        __u32,          int_ctl         )
 437                 __field(        __u32,          event_inj       )
 438                 __field(        bool,           npt             )
 439         ),
 440
 441         TP_fast_assign(
 442                 __entry->rip            = rip;
 443                 __entry->vmcb           = vmcb;
 444                 __entry->nested_rip     = nested_rip;
 445                 __entry->int_ctl        = int_ctl;
 446                 __entry->event_inj      = event_inj;
 447                 __entry->npt            = npt;
 448         ),
 449
 450         TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x "
 451                   "event_inj: 0x%08x npt: %s",
 452                 __entry->rip, __entry->vmcb, __entry->nested_rip,
 453                 __entry->int_ctl, __entry->event_inj,
 454                 __entry->npt ? "on" : "off")
 455 );
 456
 457 TRACE_EVENT(kvm_nested_intercepts,
 458             TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u64 intercept),
 459             TP_ARGS(cr_read, cr_write, exceptions, intercept),
 460
 461         TP_STRUCT__entry(
 462                 __field(        __u16,          cr_read         )
 463                 __field(        __u16,          cr_write        )
 464                 __field(        __u32,          exceptions      )
 465                 __field(        __u64,          intercept       )
 466         ),
 467
 468         TP_fast_assign(
 469                 __entry->cr_read        = cr_read;
 470                 __entry->cr_write       = cr_write;
 471                 __entry->exceptions     = exceptions;
 472                 __entry->intercept      = intercept;
 473         ),
 474
 475         TP_printk("cr_read: %04x cr_write: %04x excp: %08x intercept: %016llx",
 476                 __entry->cr_read, __entry->cr_write, __entry->exceptions,
 477                 __entry->intercept)
 478 );
 479 /*
 480  * Tracepoint for #VMEXIT while nested
 481  */
 482 TRACE_EVENT(kvm_nested_vmexit,
 483             TP_PROTO(__u64 rip, __u32 exit_code,
 484                      __u64 exit_info1, __u64 exit_info2,
 485                      __u32 exit_int_info, __u32 exit_int_info_err),
 486             TP_ARGS(rip, exit_code, exit_info1, exit_info2,
 487                     exit_int_info, exit_int_info_err),
 488
 489         TP_STRUCT__entry(
 490                 __field(        __u64,          rip                     )
 491                 __field(        __u32,          exit_code               )
 492                 __field(        __u64,          exit_info1              )
 493                 __field(        __u64,          exit_info2              )
 494                 __field(        __u32,          exit_int_info           )
 495                 __field(        __u32,          exit_int_info_err       )
 496         ),
 497
 498         TP_fast_assign(
 499                 __entry->rip                    = rip;
 500                 __entry->exit_code              = exit_code;
 501                 __entry->exit_info1             = exit_info1;
 502                 __entry->exit_info2             = exit_info2;
 503                 __entry->exit_int_info          = exit_int_info;
 504                 __entry->exit_int_info_err      = exit_int_info_err;
 505         ),
 506         TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
 507                   "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 508                   __entry->rip,
 509                   ftrace_print_symbols_seq(p, __entry->exit_code,
 510                                            kvm_x86_ops->exit_reasons_str),
 511                   __entry->exit_info1, __entry->exit_info2,
 512                   __entry->exit_int_info, __entry->exit_int_info_err)
 513 );
 514
 515 /*
 516  * Tracepoint for #VMEXIT reinjected to the guest
 517  */
 518 TRACE_EVENT(kvm_nested_vmexit_inject,
 519             TP_PROTO(__u32 exit_code,
 520                      __u64 exit_info1, __u64 exit_info2,
 521                      __u32 exit_int_info, __u32 exit_int_info_err),
 522             TP_ARGS(exit_code, exit_info1, exit_info2,
 523                     exit_int_info, exit_int_info_err),
 524
 525         TP_STRUCT__entry(
 526                 __field(        __u32,          exit_code               )
 527                 __field(        __u64,          exit_info1              )
 528                 __field(        __u64,          exit_info2              )
 529                 __field(        __u32,          exit_int_info           )
 530                 __field(        __u32,          exit_int_info_err       )
 531         ),
 532
 533         TP_fast_assign(
 534                 __entry->exit_code              = exit_code;
 535                 __entry->exit_info1             = exit_info1;
 536                 __entry->exit_info2             = exit_info2;
 537                 __entry->exit_int_info          = exit_int_info;
 538                 __entry->exit_int_info_err      = exit_int_info_err;
 539         ),
 540
 541         TP_printk("reason: %s ext_inf1: 0x%016llx "
 542                   "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 543                   ftrace_print_symbols_seq(p, __entry->exit_code,
 544                                            kvm_x86_ops->exit_reasons_str),
 545                 __entry->exit_info1, __entry->exit_info2,
 546                 __entry->exit_int_info, __entry->exit_int_info_err)
 547 );
 548
 549 /*
 550  * Tracepoint for nested #vmexit because of interrupt pending
 551  */
 552 TRACE_EVENT(kvm_nested_intr_vmexit,
 553             TP_PROTO(__u64 rip),
 554             TP_ARGS(rip),
 555
 556         TP_STRUCT__entry(
 557                 __field(        __u64,  rip     )
 558         ),
 559
 560         TP_fast_assign(
 561                 __entry->rip    =       rip
 562         ),
 563
 564         TP_printk("rip: 0x%016llx", __entry->rip)
 565 );
 566
 567 /*
 568  * Tracepoint for nested #vmexit because of interrupt pending
 569  */
 570 TRACE_EVENT(kvm_invlpga,
 571             TP_PROTO(__u64 rip, int asid, u64 address),
 572             TP_ARGS(rip, asid, address),
 573
 574         TP_STRUCT__entry(
 575                 __field(        __u64,  rip     )
 576                 __field(        int,    asid    )
 577                 __field(        __u64,  address )
 578         ),
 579
 580         TP_fast_assign(
 581                 __entry->rip            =       rip;
 582                 __entry->asid           =       asid;
 583                 __entry->address        =       address;
 584         ),
 585
 586         TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
 587                   __entry->rip, __entry->asid, __entry->address)
 588 );
 589
 590 /*
 591  * Tracepoint for nested #vmexit because of interrupt pending
 592  */
 593 TRACE_EVENT(kvm_skinit,
 594             TP_PROTO(__u64 rip, __u32 slb),
 595             TP_ARGS(rip, slb),
 596
 597         TP_STRUCT__entry(
 598                 __field(        __u64,  rip     )
 599                 __field(        __u32,  slb     )
 600         ),
 601
 602         TP_fast_assign(
 603                 __entry->rip            =       rip;
 604                 __entry->slb            =       slb;
 605         ),
 606
 607         TP_printk("rip: 0x%016llx slb: 0x%08x",
 608                   __entry->rip, __entry->slb)
 609 );
 610
 611 #define __print_insn(insn, ilen) ({                              \
 612         int i;                                                   \
 613         const char *ret = p->buffer + p->len;                    \
 614                                                                  \
 615         for (i = 0; i < ilen; ++i)                               \
 616                 trace_seq_printf(p, " %02x", insn[i]);           \
 617         trace_seq_printf(p, "%c", 0);                            \
 618         ret;                                                     \
 619         })
 620
 621 #define KVM_EMUL_INSN_F_CR0_PE (1 << 0)
 622 #define KVM_EMUL_INSN_F_EFL_VM (1 << 1)
 623 #define KVM_EMUL_INSN_F_CS_D   (1 << 2)
 624 #define KVM_EMUL_INSN_F_CS_L   (1 << 3)
 625
 626 #define kvm_trace_symbol_emul_flags                       \
 627         { 0,                        "real" },             \
 628         { KVM_EMUL_INSN_F_CR0_PE                          \
 629           | KVM_EMUL_INSN_F_EFL_VM, "vm16" },             \
 630         { KVM_EMUL_INSN_F_CR0_PE,   "prot16" },           \
 631         { KVM_EMUL_INSN_F_CR0_PE                          \
 632           | KVM_EMUL_INSN_F_CS_D,   "prot32" },           \
 633         { KVM_EMUL_INSN_F_CR0_PE                          \
 634           | KVM_EMUL_INSN_F_CS_L,   "prot64" }
 635
 636 #define kei_decode_mode(mode) ({                        \
 637         u8 flags = 0xff;                                \
 638         switch (mode) {                                 \
 639         case X86EMUL_MODE_REAL:                         \
 640                 flags = 0;                              \
 641                 break;                                  \
 642         case X86EMUL_MODE_VM86:                         \
 643                 flags = KVM_EMUL_INSN_F_EFL_VM;         \
 644                 break;                                  \
 645         case X86EMUL_MODE_PROT16:                       \
 646                 flags = KVM_EMUL_INSN_F_CR0_PE;         \
 647                 break;                                  \
 648         case X86EMUL_MODE_PROT32:                       \
 649                 flags = KVM_EMUL_INSN_F_CR0_PE          \
 650                         | KVM_EMUL_INSN_F_CS_D;         \
 651                 break;                                  \
 652         case X86EMUL_MODE_PROT64:                       \
 653                 flags = KVM_EMUL_INSN_F_CR0_PE          \
 654                         | KVM_EMUL_INSN_F_CS_L;         \
 655                 break;                                  \
 656         }                                               \
 657         flags;                                          \
 658         })
 659
 660 TRACE_EVENT(kvm_emulate_insn,
 661         TP_PROTO(struct kvm_vcpu *vcpu, __u8 failed),
 662         TP_ARGS(vcpu, failed),
 663
 664         TP_STRUCT__entry(
 665                 __field(    __u64, rip                       )
 666                 __field(    __u32, csbase                    )
 667                 __field(    __u8,  len                       )
 668                 __array(    __u8,  insn,    15               )
 669                 __field(    __u8,  flags                     )
 670                 __field(    __u8,  failed                    )
 671                 ),
 672
 673         TP_fast_assign(
 674                 __entry->rip = vcpu->arch.emulate_ctxt.decode.fetch.start;
 675                 __entry->csbase = kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS);
 676                 __entry->len = vcpu->arch.emulate_ctxt.decode.eip
 677                                - vcpu->arch.emulate_ctxt.decode.fetch.start;
 678                 memcpy(__entry->insn,
 679                        vcpu->arch.emulate_ctxt.decode.fetch.data,
 680                        15);
 681                 __entry->flags = kei_decode_mode(vcpu->arch.emulate_ctxt.mode);
 682                 __entry->failed = failed;
 683                 ),
 684
 685         TP_printk("%x:%llx:%s (%s)%s",
 686                   __entry->csbase, __entry->rip,
 687                   __print_insn(__entry->insn, __entry->len),
 688                   __print_symbolic(__entry->flags,
 689                                    kvm_trace_symbol_emul_flags),
 690                   __entry->failed ? " failed" : ""
 691                 )
 692         );
 693
 694 #define trace_kvm_emulate_insn_start(vcpu) trace_kvm_emulate_insn(vcpu, 0)
 695 #define trace_kvm_emulate_insn_failed(vcpu) trace_kvm_emulate_insn(vcpu, 1)
 696
 697 #endif /* _TRACE_KVM_H */
 698
 699 #undef TRACE_INCLUDE_PATH
 700 #define TRACE_INCLUDE_PATH arch/x86/kvm
 701 #undef TRACE_INCLUDE_FILE
 702 #define TRACE_INCLUDE_FILE trace
 703
 704 /* This part must be outside protection */
 705 #include <trace/define_trace.h>