palacios/src/palacios/svm_handler.c

   1 /*
   2  * This file is part of the Palacios Virtual Machine Monitor developed
   3  * by the V3VEE Project with funding from the United States National
   4  * Science Foundation and the Department of Energy.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  10  * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
  11  * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
  12  * All rights reserved.
  13  *
  14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
  15  *
  16  * This is free software.  You are permitted to use,
  17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  18  */
  19
  20
  21 #include <palacios/svm_handler.h>
  22 #include <palacios/vmm.h>
  23 #include <palacios/vm_guest_mem.h>
  24 #include <palacios/vmm_decoder.h>
  25 #include <palacios/vmm_ctrl_regs.h>
  26 #include <palacios/svm_io.h>
  27 #include <palacios/vmm_halt.h>
  28 #include <palacios/svm_pause.h>
  29 #include <palacios/svm_wbinvd.h>
  30 #include <palacios/vmm_intr.h>
  31 #include <palacios/vmm_emulator.h>
  32 #include <palacios/svm_msr.h>
  33 #include <palacios/vmm_hypercall.h>
  34 #include <palacios/vmm_cpuid.h>
  35 #include <palacios/vmm_direct_paging.h>
  36
  37 #ifndef V3_CONFIG_DEBUG_SVM
  38 #undef PrintDebug
  39 #define PrintDebug(fmt, args...)
  40 #endif
  41
  42 #ifdef V3_CONFIG_TELEMETRY
  43 #include <palacios/vmm_telemetry.h>
  44 #endif
  45
  46 #ifdef V3_CONFIG_EXT_SW_INTERRUPTS
  47 #include <gears/sw_intr.h>
  48 #endif
  49
  50 int v3_handle_svm_exit(struct guest_info * info, addr_t exit_code, addr_t exit_info1, addr_t exit_info2) {
  51
  52 #ifdef V3_CONFIG_TELEMETRY
  53     if (info->vm_info->enable_telemetry) {
  54         v3_telemetry_start_exit(info);
  55     }
  56 #endif
  57
  58
  59
  60     //    PrintDebug("SVM Returned: Exit Code: %p\n", (void *)exit_code);
  61
  62     switch (exit_code) {
  63         case VMEXIT_IOIO: {
  64             struct svm_io_info * io_info = (struct svm_io_info *)&(exit_info1);
  65
  66             if (io_info->type == 0) {
  67                 if (io_info->str) {
  68
  69                     if (v3_handle_svm_io_outs(info, io_info) == -1 ) {
  70                         return -1;
  71                     }
  72                 } else {
  73                     if (v3_handle_svm_io_out(info, io_info) == -1) {
  74                         return -1;
  75                     }
  76                 }
  77
  78             } else {
  79
  80                 if (io_info->str) {
  81                     if (v3_handle_svm_io_ins(info, io_info) == -1) {
  82                         return -1;
  83                     }
  84                 } else {
  85                     if (v3_handle_svm_io_in(info, io_info) == -1) {
  86                         return -1;
  87                     }
  88                 }
  89             }
  90
  91             info->rip = exit_info2;
  92
  93             break;
  94         }
  95         case VMEXIT_MSR:
  96
  97             if (exit_info1 == 0) {
  98                 if (v3_handle_msr_read(info) == -1) {
  99                     return -1;
 100                 }
 101             } else if (exit_info1 == 1) {
 102                 if (v3_handle_msr_write(info) == -1) {
 103                     return -1;
 104                 }
 105             } else {
 106                 PrintError("Invalid MSR Operation\n");
 107                 return -1;
 108             }
 109
 110             break;
 111
 112         case VMEXIT_CPUID:
 113             if (v3_handle_cpuid(info) == -1) {
 114                 PrintError("Error handling CPUID\n");
 115                 return -1;
 116             }
 117
 118             break;
 119         case VMEXIT_CR0_WRITE:
 120 #ifdef V3_CONFIG_DEBUG_CTRL_REGS
 121             PrintDebug("CR0 Write\n");
 122 #endif
 123             if (v3_handle_cr0_write(info) == -1) {
 124                 return -1;
 125             }
 126             break;
 127         case VMEXIT_CR0_READ:
 128 #ifdef V3_CONFIG_DEBUG_CTRL_REGS
 129             PrintDebug("CR0 Read\n");
 130 #endif
 131             if (v3_handle_cr0_read(info) == -1) {
 132                 return -1;
 133             }
 134             break;
 135         case VMEXIT_CR3_WRITE:
 136 #ifdef V3_CONFIG_DEBUG_CTRL_REGS
 137             PrintDebug("CR3 Write\n");
 138 #endif
 139             if (v3_handle_cr3_write(info) == -1) {
 140                 return -1;
 141             }
 142
 143             break;
 144         case  VMEXIT_CR3_READ:
 145 #ifdef V3_CONFIG_DEBUG_CTRL_REGS
 146             PrintDebug("CR3 Read\n");
 147 #endif
 148             if (v3_handle_cr3_read(info) == -1) {
 149                 return -1;
 150             }
 151             break;
 152         case VMEXIT_CR4_WRITE:
 153 #ifdef V3_CONFIG_DEBUG_CTRL_REGS
 154             PrintDebug("CR4 Write\n");
 155 #endif
 156             if (v3_handle_cr4_write(info) == -1) {
 157                 return -1;
 158             }
 159             break;
 160         case  VMEXIT_CR4_READ:
 161 #ifdef V3_CONFIG_DEBUG_CTRL_REGS
 162             PrintDebug("CR4 Read\n");
 163 #endif
 164             if (v3_handle_cr4_read(info) == -1) {
 165                 return -1;
 166             }
 167             break;
 168         case VMEXIT_EXCP14: {
 169             addr_t fault_addr = exit_info2;
 170             pf_error_t * error_code = (pf_error_t *)&(exit_info1);
 171 #ifdef V3_CONFIG_DEBUG_SHADOW_PAGING
 172             PrintDebug("PageFault at %p (error=%d)\n",
 173                        (void *)fault_addr, *(uint_t *)error_code);
 174 #endif
 175             if (info->shdw_pg_mode == SHADOW_PAGING) {
 176                 if (v3_handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
 177                     return -1;
 178                 }
 179             } else {
 180                 PrintError("Page fault in un implemented paging mode\n");
 181                 return -1;
 182             }
 183             break;
 184         }
 185         case VMEXIT_NPF: {
 186             addr_t fault_addr = exit_info2;
 187             pf_error_t * error_code = (pf_error_t *)&(exit_info1);
 188
 189             if (info->shdw_pg_mode == NESTED_PAGING) {
 190                 if (v3_handle_nested_pagefault(info, fault_addr, *error_code) == -1) {
 191                     return -1;
 192                 }
 193             } else {
 194                 PrintError("Currently unhandled Nested Page Fault\n");
 195                 return -1;
 196                     }
 197             break;
 198             }
 199         case VMEXIT_INVLPG:
 200             if (info->shdw_pg_mode == SHADOW_PAGING) {
 201 #ifdef V3_CONFIG_DEBUG_SHADOW_PAGING
 202                 PrintDebug("Invlpg\n");
 203 #endif
 204                 if (v3_handle_shadow_invlpg(info) == -1) {
 205                     return -1;
 206                 }
 207             }
 208             break;
 209         case VMEXIT_VMMCALL:
 210             /*
 211              * Hypercall
 212              */
 213
 214             // VMMCALL is a 3 byte op
 215             // We do this early because some hypercalls can change the rip...
 216             info->rip += 3;
 217
 218             if (v3_handle_hypercall(info) == -1) {
 219                 PrintError("Error handling Hypercall\n");
 220                 return -1;
 221             }
 222
 223             break;
 224         case VMEXIT_NMI:
 225             // handled by interrupt dispatcher
 226             break;
 227         case VMEXIT_INTR:
 228             // handled by interrupt dispatch earlier
 229             break;
 230         case VMEXIT_SMI:
 231             //   handle_svm_smi(info); // ignored for now
 232             break;
 233         case VMEXIT_HLT:
 234 #ifdef V3_CONFIG_DEBUG_HALT
 235             PrintDebug("Guest halted\n");
 236 #endif
 237             if (v3_handle_halt(info) == -1) {
 238                 return -1;
 239             }
 240             break;
 241         case VMEXIT_PAUSE:
 242             //      PrintDebug("Guest paused\n");
 243             if (v3_handle_svm_pause(info) == -1) {
 244                 return -1;
 245             }
 246             break;
 247         case VMEXIT_WBINVD:
 248 #ifdef V3_CONFIG_DEBUG_EMULATOR
 249             PrintDebug("WBINVD\n");
 250 #endif
 251             if (v3_handle_svm_wbinvd(info) == -1) {
 252                 return -1;
 253             }
 254             break;
 255         case VMEXIT_RDTSC:
 256 #ifdef V3_CONFIG_DEBUG_TIME
 257             PrintDebug("RDTSC/RDTSCP\n");
 258 #endif
 259             if (v3_handle_rdtsc(info) == -1) {
 260                 PrintError("Error Handling RDTSC instruction\n");
 261                 return -1;
 262             }
 263             break;
 264         case VMEXIT_RDTSCP:
 265 #ifdef V3_CONFIG_DEBUG_TIME
 266             PrintDebug("RDTSCP\n");
 267 #endif
 268             if (v3_handle_rdtscp(info) == -1) {
 269                 PrintError("Error Handling RDTSCP instruction\n");
 270                 return -1;
 271             }
 272             break;
 273         case VMEXIT_SHUTDOWN:
 274             PrintDebug("Guest-initiated shutdown\n");
 275
 276             info->vm_info->run_state = VM_STOPPED;
 277
 278             // Force exit on other cores
 279
 280             break;
 281 #ifdef V3_CONFIG_EXT_SW_INTERRUPTS
 282     case VMEXIT_SWINT:
 283 #ifdef V3_CONFIG_DEBUG_EXT_SW_INTERRUPTS
 284         PrintDebug("Intercepted a software interrupt\n");
 285 #endif
 286         if (v3_handle_swintr(info) == -1) {
 287             PrintError("Error handling software interrupt\n");
 288             return -1;
 289         }
 290         break;
 291 #endif
 292
 293
 294             /* Exits Following this line are NOT HANDLED */
 295             /*=======================================================================*/
 296
 297         default: {
 298
 299             addr_t rip_addr;
 300
 301             PrintError("Unhandled SVM Exit: %s\n", vmexit_code_to_str(exit_code));
 302
 303             rip_addr = get_addr_linear(info, info->rip, &(info->segments.cs));
 304
 305
 306             PrintError("SVM Returned:(VMCB=%p)\n", (void *)(info->vmm_data));
 307             PrintError("RIP: %p\n", (void *)(addr_t)(info->rip));
 308             PrintError("RIP Linear: %p\n", (void *)(addr_t)(rip_addr));
 309
 310             PrintError("SVM Returned: Exit Code: %p\n", (void *)(addr_t)exit_code);
 311
 312             PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(exit_info1));
 313             PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uint8_t *)&(exit_info1)) + 4));
 314
 315             PrintError("io_info2 low = 0x%.8x\n", *(uint_t*)&(exit_info2));
 316             PrintError("io_info2 high = 0x%.8x\n", *(uint_t *)(((uint8_t *)&(exit_info2)) + 4));
 317
 318
 319             if (info->shdw_pg_mode == SHADOW_PAGING) {
 320                 //      PrintHostPageTables(info, info->ctrl_regs.cr3);
 321                 //PrintGuestPageTables(info, info->shdw_pg_state.guest_cr3);
 322             }
 323
 324             return -1;
 325         }
 326     }
 327     // END OF SWITCH (EXIT_CODE)
 328
 329 #ifdef V3_CONFIG_TELEMETRY
 330     if (info->vm_info->enable_telemetry) {
 331         v3_telemetry_end_exit(info, exit_code);
 332     }
 333 #endif
 334
 335
 336     if (exit_code == VMEXIT_INTR) {
 337         //PrintDebug("INTR ret IP = %x\n", guest_state->rip);
 338     }
 339
 340     return 0;
 341 }
 342
 343
 344 static const char VMEXIT_CR0_READ_STR[] = "VMEXIT_CR0_READ";
 345 static const char VMEXIT_CR1_READ_STR[] = "VMEXIT_CR1_READ";
 346 static const char VMEXIT_CR2_READ_STR[] = "VMEXIT_CR2_READ";
 347 static const char VMEXIT_CR3_READ_STR[] = "VMEXIT_CR3_READ";
 348 static const char VMEXIT_CR4_READ_STR[] = "VMEXIT_CR4_READ";
 349 static const char VMEXIT_CR5_READ_STR[] = "VMEXIT_CR5_READ";
 350 static const char VMEXIT_CR6_READ_STR[] = "VMEXIT_CR6_READ";
 351 static const char VMEXIT_CR7_READ_STR[] = "VMEXIT_CR7_READ";
 352 static const char VMEXIT_CR8_READ_STR[] = "VMEXIT_CR8_READ";
 353 static const char VMEXIT_CR9_READ_STR[] = "VMEXIT_CR9_READ";
 354 static const char VMEXIT_CR10_READ_STR[] = "VMEXIT_CR10_READ";
 355 static const char VMEXIT_CR11_READ_STR[] = "VMEXIT_CR11_READ";
 356 static const char VMEXIT_CR12_READ_STR[] = "VMEXIT_CR12_READ";
 357 static const char VMEXIT_CR13_READ_STR[] = "VMEXIT_CR13_READ";
 358 static const char VMEXIT_CR14_READ_STR[] = "VMEXIT_CR14_READ";
 359 static const char VMEXIT_CR15_READ_STR[] = "VMEXIT_CR15_READ";
 360 static const char VMEXIT_CR0_WRITE_STR[] = "VMEXIT_CR0_WRITE";
 361 static const char VMEXIT_CR1_WRITE_STR[] = "VMEXIT_CR1_WRITE";
 362 static const char VMEXIT_CR2_WRITE_STR[] = "VMEXIT_CR2_WRITE";
 363 static const char VMEXIT_CR3_WRITE_STR[] = "VMEXIT_CR3_WRITE";
 364 static const char VMEXIT_CR4_WRITE_STR[] = "VMEXIT_CR4_WRITE";
 365 static const char VMEXIT_CR5_WRITE_STR[] = "VMEXIT_CR5_WRITE";
 366 static const char VMEXIT_CR6_WRITE_STR[] = "VMEXIT_CR6_WRITE";
 367 static const char VMEXIT_CR7_WRITE_STR[] = "VMEXIT_CR7_WRITE";
 368 static const char VMEXIT_CR8_WRITE_STR[] = "VMEXIT_CR8_WRITE";
 369 static const char VMEXIT_CR9_WRITE_STR[] = "VMEXIT_CR9_WRITE";
 370 static const char VMEXIT_CR10_WRITE_STR[] = "VMEXIT_CR10_WRITE";
 371 static const char VMEXIT_CR11_WRITE_STR[] = "VMEXIT_CR11_WRITE";
 372 static const char VMEXIT_CR12_WRITE_STR[] = "VMEXIT_CR12_WRITE";
 373 static const char VMEXIT_CR13_WRITE_STR[] = "VMEXIT_CR13_WRITE";
 374 static const char VMEXIT_CR14_WRITE_STR[] = "VMEXIT_CR14_WRITE";
 375 static const char VMEXIT_CR15_WRITE_STR[] = "VMEXIT_CR15_WRITE";
 376 static const char VMEXIT_DR0_READ_STR[] = "VMEXIT_DR0_READ";
 377 static const char VMEXIT_DR1_READ_STR[] = "VMEXIT_DR1_READ";
 378 static const char VMEXIT_DR2_READ_STR[] = "VMEXIT_DR2_READ";
 379 static const char VMEXIT_DR3_READ_STR[] = "VMEXIT_DR3_READ";
 380 static const char VMEXIT_DR4_READ_STR[] = "VMEXIT_DR4_READ";
 381 static const char VMEXIT_DR5_READ_STR[] = "VMEXIT_DR5_READ";
 382 static const char VMEXIT_DR6_READ_STR[] = "VMEXIT_DR6_READ";
 383 static const char VMEXIT_DR7_READ_STR[] = "VMEXIT_DR7_READ";
 384 static const char VMEXIT_DR8_READ_STR[] = "VMEXIT_DR8_READ";
 385 static const char VMEXIT_DR9_READ_STR[] = "VMEXIT_DR9_READ";
 386 static const char VMEXIT_DR10_READ_STR[] = "VMEXIT_DR10_READ";
 387 static const char VMEXIT_DR11_READ_STR[] = "VMEXIT_DR11_READ";
 388 static const char VMEXIT_DR12_READ_STR[] = "VMEXIT_DR12_READ";
 389 static const char VMEXIT_DR13_READ_STR[] = "VMEXIT_DR13_READ";
 390 static const char VMEXIT_DR14_READ_STR[] = "VMEXIT_DR14_READ";
 391 static const char VMEXIT_DR15_READ_STR[] = "VMEXIT_DR15_READ";
 392 static const char VMEXIT_DR0_WRITE_STR[] = "VMEXIT_DR0_WRITE";
 393 static const char VMEXIT_DR1_WRITE_STR[] = "VMEXIT_DR1_WRITE";
 394 static const char VMEXIT_DR2_WRITE_STR[] = "VMEXIT_DR2_WRITE";
 395 static const char VMEXIT_DR3_WRITE_STR[] = "VMEXIT_DR3_WRITE";
 396 static const char VMEXIT_DR4_WRITE_STR[] = "VMEXIT_DR4_WRITE";
 397 static const char VMEXIT_DR5_WRITE_STR[] = "VMEXIT_DR5_WRITE";
 398 static const char VMEXIT_DR6_WRITE_STR[] = "VMEXIT_DR6_WRITE";
 399 static const char VMEXIT_DR7_WRITE_STR[] = "VMEXIT_DR7_WRITE";
 400 static const char VMEXIT_DR8_WRITE_STR[] = "VMEXIT_DR8_WRITE";
 401 static const char VMEXIT_DR9_WRITE_STR[] = "VMEXIT_DR9_WRITE";
 402 static const char VMEXIT_DR10_WRITE_STR[] = "VMEXIT_DR10_WRITE";
 403 static const char VMEXIT_DR11_WRITE_STR[] = "VMEXIT_DR11_WRITE";
 404 static const char VMEXIT_DR12_WRITE_STR[] = "VMEXIT_DR12_WRITE";
 405 static const char VMEXIT_DR13_WRITE_STR[] = "VMEXIT_DR13_WRITE";
 406 static const char VMEXIT_DR14_WRITE_STR[] = "VMEXIT_DR14_WRITE";
 407 static const char VMEXIT_DR15_WRITE_STR[] = "VMEXIT_DR15_WRITE";
 408 static const char VMEXIT_EXCP0_STR[] = "VMEXIT_EXCP0";
 409 static const char VMEXIT_EXCP1_STR[] = "VMEXIT_EXCP1";
 410 static const char VMEXIT_EXCP2_STR[] = "VMEXIT_EXCP2";
 411 static const char VMEXIT_EXCP3_STR[] = "VMEXIT_EXCP3";
 412 static const char VMEXIT_EXCP4_STR[] = "VMEXIT_EXCP4";
 413 static const char VMEXIT_EXCP5_STR[] = "VMEXIT_EXCP5";
 414 static const char VMEXIT_EXCP6_STR[] = "VMEXIT_EXCP6";
 415 static const char VMEXIT_EXCP7_STR[] = "VMEXIT_EXCP7";
 416 static const char VMEXIT_EXCP8_STR[] = "VMEXIT_EXCP8";
 417 static const char VMEXIT_EXCP9_STR[] = "VMEXIT_EXCP9";
 418 static const char VMEXIT_EXCP10_STR[] = "VMEXIT_EXCP10";
 419 static const char VMEXIT_EXCP11_STR[] = "VMEXIT_EXCP11";
 420 static const char VMEXIT_EXCP12_STR[] = "VMEXIT_EXCP12";
 421 static const char VMEXIT_EXCP13_STR[] = "VMEXIT_EXCP13";
 422 static const char VMEXIT_EXCP14_STR[] = "VMEXIT_EXCP14";
 423 static const char VMEXIT_EXCP15_STR[] = "VMEXIT_EXCP15";
 424 static const char VMEXIT_EXCP16_STR[] = "VMEXIT_EXCP16";
 425 static const char VMEXIT_EXCP17_STR[] = "VMEXIT_EXCP17";
 426 static const char VMEXIT_EXCP18_STR[] = "VMEXIT_EXCP18";
 427 static const char VMEXIT_EXCP19_STR[] = "VMEXIT_EXCP19";
 428 static const char VMEXIT_EXCP20_STR[] = "VMEXIT_EXCP20";
 429 static const char VMEXIT_EXCP21_STR[] = "VMEXIT_EXCP21";
 430 static const char VMEXIT_EXCP22_STR[] = "VMEXIT_EXCP22";
 431 static const char VMEXIT_EXCP23_STR[] = "VMEXIT_EXCP23";
 432 static const char VMEXIT_EXCP24_STR[] = "VMEXIT_EXCP24";
 433 static const char VMEXIT_EXCP25_STR[] = "VMEXIT_EXCP25";
 434 static const char VMEXIT_EXCP26_STR[] = "VMEXIT_EXCP26";
 435 static const char VMEXIT_EXCP27_STR[] = "VMEXIT_EXCP27";
 436 static const char VMEXIT_EXCP28_STR[] = "VMEXIT_EXCP28";
 437 static const char VMEXIT_EXCP29_STR[] = "VMEXIT_EXCP29";
 438 static const char VMEXIT_EXCP30_STR[] = "VMEXIT_EXCP30";
 439 static const char VMEXIT_EXCP31_STR[] = "VMEXIT_EXCP31";
 440 static const char VMEXIT_INTR_STR[] = "VMEXIT_INTR";
 441 static const char VMEXIT_NMI_STR[] = "VMEXIT_NMI";
 442 static const char VMEXIT_SMI_STR[] = "VMEXIT_SMI";
 443 static const char VMEXIT_INIT_STR[] = "VMEXIT_INIT";
 444 static const char VMEXIT_VINITR_STR[] = "VMEXIT_VINITR";
 445 static const char VMEXIT_CR0_SEL_WRITE_STR[] = "VMEXIT_CR0_SEL_WRITE";
 446 static const char VMEXIT_IDTR_READ_STR[] = "VMEXIT_IDTR_READ";
 447 static const char VMEXIT_GDTR_READ_STR[] = "VMEXIT_GDTR_READ";
 448 static const char VMEXIT_LDTR_READ_STR[] = "VMEXIT_LDTR_READ";
 449 static const char VMEXIT_TR_READ_STR[] = "VMEXIT_TR_READ";
 450 static const char VMEXIT_IDTR_WRITE_STR[] = "VMEXIT_IDTR_WRITE";
 451 static const char VMEXIT_GDTR_WRITE_STR[] = "VMEXIT_GDTR_WRITE";
 452 static const char VMEXIT_LDTR_WRITE_STR[] = "VMEXIT_LDTR_WRITE";
 453 static const char VMEXIT_TR_WRITE_STR[] = "VMEXIT_TR_WRITE";
 454 static const char VMEXIT_RDTSC_STR[] = "VMEXIT_RDTSC";
 455 static const char VMEXIT_RDPMC_STR[] = "VMEXIT_RDPMC";
 456 static const char VMEXIT_PUSHF_STR[] = "VMEXIT_PUSHF";
 457 static const char VMEXIT_POPF_STR[] = "VMEXIT_POPF";
 458 static const char VMEXIT_CPUID_STR[] = "VMEXIT_CPUID";
 459 static const char VMEXIT_RSM_STR[] = "VMEXIT_RSM";
 460 static const char VMEXIT_IRET_STR[] = "VMEXIT_IRET";
 461 static const char VMEXIT_SWINT_STR[] = "VMEXIT_SWINT";
 462 static const char VMEXIT_INVD_STR[] = "VMEXIT_INVD";
 463 static const char VMEXIT_PAUSE_STR[] = "VMEXIT_PAUSE";
 464 static const char VMEXIT_HLT_STR[] = "VMEXIT_HLT";
 465 static const char VMEXIT_INVLPG_STR[] = "VMEXIT_INVLPG";
 466 static const char VMEXIT_INVLPGA_STR[] = "VMEXIT_INVLPGA";
 467 static const char VMEXIT_IOIO_STR[] = "VMEXIT_IOIO";
 468 static const char VMEXIT_MSR_STR[] = "VMEXIT_MSR";
 469 static const char VMEXIT_TASK_SWITCH_STR[] = "VMEXIT_TASK_SWITCH";
 470 static const char VMEXIT_FERR_FREEZE_STR[] = "VMEXIT_FERR_FREEZE";
 471 static const char VMEXIT_SHUTDOWN_STR[] = "VMEXIT_SHUTDOWN";
 472 static const char VMEXIT_VMRUN_STR[] = "VMEXIT_VMRUN";
 473 static const char VMEXIT_VMMCALL_STR[] = "VMEXIT_VMMCALL";
 474 static const char VMEXIT_VMLOAD_STR[] = "VMEXIT_VMLOAD";
 475 static const char VMEXIT_VMSAVE_STR[] = "VMEXIT_VMSAVE";
 476 static const char VMEXIT_STGI_STR[] = "VMEXIT_STGI";
 477 static const char VMEXIT_CLGI_STR[] = "VMEXIT_CLGI";
 478 static const char VMEXIT_SKINIT_STR[] = "VMEXIT_SKINIT";
 479 static const char VMEXIT_RDTSCP_STR[] = "VMEXIT_RDTSCP";
 480 static const char VMEXIT_ICEBP_STR[] = "VMEXIT_ICEBP";
 481 static const char VMEXIT_WBINVD_STR[] = "VMEXIT_WBINVD";
 482 static const char VMEXIT_MONITOR_STR[] = "VMEXIT_MONITOR";
 483 static const char VMEXIT_MWAIT_STR[] = "VMEXIT_MWAIT";
 484 static const char VMEXIT_MWAIT_CONDITIONAL_STR[] = "VMEXIT_MWAIT_CONDITIONAL";
 485 static const char VMEXIT_NPF_STR[] = "VMEXIT_NPF";
 486 static const char VMEXIT_INVALID_VMCB_STR[] = "VMEXIT_INVALID_VMCB";
 487
 488
 489
 490 const char * vmexit_code_to_str(uint_t exit_code) {
 491     switch(exit_code) {
 492         case VMEXIT_CR0_READ:
 493             return VMEXIT_CR0_READ_STR;
 494         case VMEXIT_CR1_READ:
 495             return VMEXIT_CR1_READ_STR;
 496         case VMEXIT_CR2_READ:
 497             return VMEXIT_CR2_READ_STR;
 498         case VMEXIT_CR3_READ:
 499             return VMEXIT_CR3_READ_STR;
 500         case VMEXIT_CR4_READ:
 501             return VMEXIT_CR4_READ_STR;
 502         case VMEXIT_CR5_READ:
 503             return VMEXIT_CR5_READ_STR;
 504         case VMEXIT_CR6_READ:
 505             return VMEXIT_CR6_READ_STR;
 506         case VMEXIT_CR7_READ:
 507             return VMEXIT_CR7_READ_STR;
 508         case VMEXIT_CR8_READ:
 509             return VMEXIT_CR8_READ_STR;
 510         case VMEXIT_CR9_READ:
 511             return VMEXIT_CR9_READ_STR;
 512         case VMEXIT_CR10_READ:
 513             return VMEXIT_CR10_READ_STR;
 514         case VMEXIT_CR11_READ:
 515             return VMEXIT_CR11_READ_STR;
 516         case VMEXIT_CR12_READ:
 517             return VMEXIT_CR12_READ_STR;
 518         case VMEXIT_CR13_READ:
 519             return VMEXIT_CR13_READ_STR;
 520         case VMEXIT_CR14_READ:
 521             return VMEXIT_CR14_READ_STR;
 522         case VMEXIT_CR15_READ:
 523             return VMEXIT_CR15_READ_STR;
 524         case VMEXIT_CR0_WRITE:
 525             return VMEXIT_CR0_WRITE_STR;
 526         case VMEXIT_CR1_WRITE:
 527             return VMEXIT_CR1_WRITE_STR;
 528         case VMEXIT_CR2_WRITE:
 529             return VMEXIT_CR2_WRITE_STR;
 530         case VMEXIT_CR3_WRITE:
 531             return VMEXIT_CR3_WRITE_STR;
 532         case VMEXIT_CR4_WRITE:
 533             return VMEXIT_CR4_WRITE_STR;
 534         case VMEXIT_CR5_WRITE:
 535             return VMEXIT_CR5_WRITE_STR;
 536         case VMEXIT_CR6_WRITE:
 537             return VMEXIT_CR6_WRITE_STR;
 538         case VMEXIT_CR7_WRITE:
 539             return VMEXIT_CR7_WRITE_STR;
 540         case VMEXIT_CR8_WRITE:
 541             return VMEXIT_CR8_WRITE_STR;
 542         case VMEXIT_CR9_WRITE:
 543             return VMEXIT_CR9_WRITE_STR;
 544         case VMEXIT_CR10_WRITE:
 545             return VMEXIT_CR10_WRITE_STR;
 546         case VMEXIT_CR11_WRITE:
 547             return VMEXIT_CR11_WRITE_STR;
 548         case VMEXIT_CR12_WRITE:
 549             return VMEXIT_CR12_WRITE_STR;
 550         case VMEXIT_CR13_WRITE:
 551             return VMEXIT_CR13_WRITE_STR;
 552         case VMEXIT_CR14_WRITE:
 553             return VMEXIT_CR14_WRITE_STR;
 554         case VMEXIT_CR15_WRITE:
 555             return VMEXIT_CR15_WRITE_STR;
 556         case VMEXIT_DR0_READ:
 557             return VMEXIT_DR0_READ_STR;
 558         case VMEXIT_DR1_READ:
 559             return VMEXIT_DR1_READ_STR;
 560         case VMEXIT_DR2_READ:
 561             return VMEXIT_DR2_READ_STR;
 562         case VMEXIT_DR3_READ:
 563             return VMEXIT_DR3_READ_STR;
 564         case VMEXIT_DR4_READ:
 565             return VMEXIT_DR4_READ_STR;
 566         case VMEXIT_DR5_READ:
 567             return VMEXIT_DR5_READ_STR;
 568         case VMEXIT_DR6_READ:
 569             return VMEXIT_DR6_READ_STR;
 570         case VMEXIT_DR7_READ:
 571             return VMEXIT_DR7_READ_STR;
 572         case VMEXIT_DR8_READ:
 573             return VMEXIT_DR8_READ_STR;
 574         case VMEXIT_DR9_READ:
 575             return VMEXIT_DR9_READ_STR;
 576         case VMEXIT_DR10_READ:
 577             return VMEXIT_DR10_READ_STR;
 578         case VMEXIT_DR11_READ:
 579             return VMEXIT_DR11_READ_STR;
 580         case VMEXIT_DR12_READ:
 581             return VMEXIT_DR12_READ_STR;
 582         case VMEXIT_DR13_READ:
 583             return VMEXIT_DR13_READ_STR;
 584         case VMEXIT_DR14_READ:
 585             return VMEXIT_DR14_READ_STR;
 586         case VMEXIT_DR15_READ:
 587             return VMEXIT_DR15_READ_STR;
 588         case VMEXIT_DR0_WRITE:
 589             return VMEXIT_DR0_WRITE_STR;
 590         case VMEXIT_DR1_WRITE:
 591             return VMEXIT_DR1_WRITE_STR;
 592         case VMEXIT_DR2_WRITE:
 593             return VMEXIT_DR2_WRITE_STR;
 594         case VMEXIT_DR3_WRITE:
 595             return VMEXIT_DR3_WRITE_STR;
 596         case VMEXIT_DR4_WRITE:
 597             return VMEXIT_DR4_WRITE_STR;
 598         case VMEXIT_DR5_WRITE:
 599             return VMEXIT_DR5_WRITE_STR;
 600         case VMEXIT_DR6_WRITE:
 601             return VMEXIT_DR6_WRITE_STR;
 602         case VMEXIT_DR7_WRITE:
 603             return VMEXIT_DR7_WRITE_STR;
 604         case VMEXIT_DR8_WRITE:
 605             return VMEXIT_DR8_WRITE_STR;
 606         case VMEXIT_DR9_WRITE:
 607             return VMEXIT_DR9_WRITE_STR;
 608         case VMEXIT_DR10_WRITE:
 609             return VMEXIT_DR10_WRITE_STR;
 610         case VMEXIT_DR11_WRITE:
 611             return VMEXIT_DR11_WRITE_STR;
 612         case VMEXIT_DR12_WRITE:
 613             return VMEXIT_DR12_WRITE_STR;
 614         case VMEXIT_DR13_WRITE:
 615             return VMEXIT_DR13_WRITE_STR;
 616         case VMEXIT_DR14_WRITE:
 617             return VMEXIT_DR14_WRITE_STR;
 618         case VMEXIT_DR15_WRITE:
 619             return VMEXIT_DR15_WRITE_STR;
 620         case VMEXIT_EXCP0:
 621             return VMEXIT_EXCP0_STR;
 622         case VMEXIT_EXCP1:
 623             return VMEXIT_EXCP1_STR;
 624         case VMEXIT_EXCP2:
 625             return VMEXIT_EXCP2_STR;
 626         case VMEXIT_EXCP3:
 627             return VMEXIT_EXCP3_STR;
 628         case VMEXIT_EXCP4:
 629             return VMEXIT_EXCP4_STR;
 630         case VMEXIT_EXCP5:
 631             return VMEXIT_EXCP5_STR;
 632         case VMEXIT_EXCP6:
 633             return VMEXIT_EXCP6_STR;
 634         case VMEXIT_EXCP7:
 635             return VMEXIT_EXCP7_STR;
 636         case VMEXIT_EXCP8:
 637             return VMEXIT_EXCP8_STR;
 638         case VMEXIT_EXCP9:
 639             return VMEXIT_EXCP9_STR;
 640         case VMEXIT_EXCP10:
 641             return VMEXIT_EXCP10_STR;
 642         case VMEXIT_EXCP11:
 643             return VMEXIT_EXCP11_STR;
 644         case VMEXIT_EXCP12:
 645             return VMEXIT_EXCP12_STR;
 646         case VMEXIT_EXCP13:
 647             return VMEXIT_EXCP13_STR;
 648         case VMEXIT_EXCP14:
 649             return VMEXIT_EXCP14_STR;
 650         case VMEXIT_EXCP15:
 651             return VMEXIT_EXCP15_STR;
 652         case VMEXIT_EXCP16:
 653             return VMEXIT_EXCP16_STR;
 654         case VMEXIT_EXCP17:
 655             return VMEXIT_EXCP17_STR;
 656         case VMEXIT_EXCP18:
 657             return VMEXIT_EXCP18_STR;
 658         case VMEXIT_EXCP19:
 659             return VMEXIT_EXCP19_STR;
 660         case VMEXIT_EXCP20:
 661             return VMEXIT_EXCP20_STR;
 662         case VMEXIT_EXCP21:
 663             return VMEXIT_EXCP21_STR;
 664         case VMEXIT_EXCP22:
 665             return VMEXIT_EXCP22_STR;
 666         case VMEXIT_EXCP23:
 667             return VMEXIT_EXCP23_STR;
 668         case VMEXIT_EXCP24:
 669             return VMEXIT_EXCP24_STR;
 670         case VMEXIT_EXCP25:
 671             return VMEXIT_EXCP25_STR;
 672         case VMEXIT_EXCP26:
 673             return VMEXIT_EXCP26_STR;
 674         case VMEXIT_EXCP27:
 675             return VMEXIT_EXCP27_STR;
 676         case VMEXIT_EXCP28:
 677             return VMEXIT_EXCP28_STR;
 678         case VMEXIT_EXCP29:
 679             return VMEXIT_EXCP29_STR;
 680         case VMEXIT_EXCP30:
 681             return VMEXIT_EXCP30_STR;
 682         case VMEXIT_EXCP31:
 683             return VMEXIT_EXCP31_STR;
 684         case VMEXIT_INTR:
 685             return VMEXIT_INTR_STR;
 686         case VMEXIT_NMI:
 687             return VMEXIT_NMI_STR;
 688         case VMEXIT_SMI:
 689             return VMEXIT_SMI_STR;
 690         case VMEXIT_INIT:
 691             return VMEXIT_INIT_STR;
 692         case VMEXIT_VINITR:
 693             return VMEXIT_VINITR_STR;
 694         case VMEXIT_CR0_SEL_WRITE:
 695             return VMEXIT_CR0_SEL_WRITE_STR;
 696         case VMEXIT_IDTR_READ:
 697             return VMEXIT_IDTR_READ_STR;
 698         case VMEXIT_GDTR_READ:
 699             return VMEXIT_GDTR_READ_STR;
 700         case VMEXIT_LDTR_READ:
 701             return VMEXIT_LDTR_READ_STR;
 702         case VMEXIT_TR_READ:
 703             return VMEXIT_TR_READ_STR;
 704         case VMEXIT_IDTR_WRITE:
 705             return VMEXIT_IDTR_WRITE_STR;
 706         case VMEXIT_GDTR_WRITE:
 707             return VMEXIT_GDTR_WRITE_STR;
 708         case VMEXIT_LDTR_WRITE:
 709             return VMEXIT_LDTR_WRITE_STR;
 710         case VMEXIT_TR_WRITE:
 711             return VMEXIT_TR_WRITE_STR;
 712         case VMEXIT_RDTSC:
 713             return VMEXIT_RDTSC_STR;
 714         case VMEXIT_RDPMC:
 715             return VMEXIT_RDPMC_STR;
 716         case VMEXIT_PUSHF:
 717             return VMEXIT_PUSHF_STR;
 718         case VMEXIT_POPF:
 719             return VMEXIT_POPF_STR;
 720         case VMEXIT_CPUID:
 721             return VMEXIT_CPUID_STR;
 722         case VMEXIT_RSM:
 723             return VMEXIT_RSM_STR;
 724         case VMEXIT_IRET:
 725             return VMEXIT_IRET_STR;
 726         case VMEXIT_SWINT:
 727             return VMEXIT_SWINT_STR;
 728         case VMEXIT_INVD:
 729             return VMEXIT_INVD_STR;
 730         case VMEXIT_PAUSE:
 731             return VMEXIT_PAUSE_STR;
 732         case VMEXIT_HLT:
 733             return VMEXIT_HLT_STR;
 734         case VMEXIT_INVLPG:
 735             return VMEXIT_INVLPG_STR;
 736         case VMEXIT_INVLPGA:
 737             return VMEXIT_INVLPGA_STR;
 738         case VMEXIT_IOIO:
 739             return VMEXIT_IOIO_STR;
 740         case VMEXIT_MSR:
 741             return VMEXIT_MSR_STR;
 742         case VMEXIT_TASK_SWITCH:
 743             return VMEXIT_TASK_SWITCH_STR;
 744         case VMEXIT_FERR_FREEZE:
 745             return VMEXIT_FERR_FREEZE_STR;
 746         case VMEXIT_SHUTDOWN:
 747             return VMEXIT_SHUTDOWN_STR;
 748         case VMEXIT_VMRUN:
 749             return VMEXIT_VMRUN_STR;
 750         case VMEXIT_VMMCALL:
 751             return VMEXIT_VMMCALL_STR;
 752         case VMEXIT_VMLOAD:
 753             return VMEXIT_VMLOAD_STR;
 754         case VMEXIT_VMSAVE:
 755             return VMEXIT_VMSAVE_STR;
 756         case VMEXIT_STGI:
 757             return VMEXIT_STGI_STR;
 758         case VMEXIT_CLGI:
 759             return VMEXIT_CLGI_STR;
 760         case VMEXIT_SKINIT:
 761             return VMEXIT_SKINIT_STR;
 762         case VMEXIT_RDTSCP:
 763             return VMEXIT_RDTSCP_STR;
 764         case VMEXIT_ICEBP:
 765             return VMEXIT_ICEBP_STR;
 766         case VMEXIT_WBINVD:
 767             return VMEXIT_WBINVD_STR;
 768         case VMEXIT_MONITOR:
 769             return VMEXIT_MONITOR_STR;
 770         case VMEXIT_MWAIT:
 771             return VMEXIT_MWAIT_STR;
 772         case VMEXIT_MWAIT_CONDITIONAL:
 773             return VMEXIT_MWAIT_CONDITIONAL_STR;
 774         case VMEXIT_NPF:
 775             return VMEXIT_NPF_STR;
 776         case VMEXIT_INVALID_VMCB:
 777             return VMEXIT_INVALID_VMCB_STR;
 778     }
 779     return NULL;
 780 }