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 #ifdef CONFIG_VNET
  38 #include <palacios/vmm_vnet.h>
  39 #endif
  40
  41 #ifdef CONFIG_LINUX_VIRTIO_NET
  42     extern int v3_virtionic_pktprocess(struct guest_info * info);
  43 #endif
  44
  45 #ifdef CONFIG_TELEMETRY
  46 #include <palacios/vmm_telemetry.h>
  47 #endif
  48
  49 #define VNET_PROFILE
  50 /* for vnet profiling*/
  51 #ifdef VNET_PROFILE
  52 static uint64_t vmm_time = 0;
  53 static uint64_t vnet_time = 0;
  54 static uint64_t guest_time = 0;
  55 static uint64_t last_exit_time = 0;
  56 static uint64_t num_exit = 0;
  57 #endif
  58
  59 int v3_handle_svm_exit(struct guest_info * info, addr_t exit_code, addr_t exit_info1, addr_t exit_info2) {
  60
  61 #ifdef CONFIG_TELEMETRY
  62     if (info->enable_telemetry) {
  63         v3_telemetry_start_exit(info);
  64     }
  65 #endif
  66
  67 #ifdef VNET_PROFILE
  68     uint64_t exit_start_time, vnet_start_time;
  69     uint64_t exit_end_time, vnet_end_time;
  70     rdtscll(exit_start_time);
  71     num_exit ++;
  72     if (last_exit_time > 0)
  73         guest_time += exit_start_time - last_exit_time;
  74 #endif
  75
  76     //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
  77
  78     switch (exit_code) {
  79         case VMEXIT_IOIO: {
  80             struct svm_io_info * io_info = (struct svm_io_info *)&(exit_info1);
  81
  82             if (io_info->type == 0) {
  83                 if (io_info->str) {
  84
  85                     if (v3_handle_svm_io_outs(info, io_info) == -1 ) {
  86                         return -1;
  87                     }
  88                 } else {
  89                     if (v3_handle_svm_io_out(info, io_info) == -1) {
  90                         return -1;
  91                     }
  92                 }
  93
  94             } else {
  95
  96                 if (io_info->str) {
  97                     if (v3_handle_svm_io_ins(info, io_info) == -1) {
  98                         return -1;
  99                     }
 100                 } else {
 101                     if (v3_handle_svm_io_in(info, io_info) == -1) {
 102                         return -1;
 103                     }
 104                 }
 105             }
 106
 107             info->rip = exit_info2;
 108
 109             break;
 110         }
 111         case VMEXIT_MSR:
 112
 113             if (exit_info1 == 0) {
 114                 if (v3_handle_msr_read(info) == -1) {
 115                     return -1;
 116                 }
 117             } else if (exit_info1 == 1) {
 118                 if (v3_handle_msr_write(info) == -1) {
 119                     return -1;
 120                 }
 121             } else {
 122                 PrintError("Invalid MSR Operation\n");
 123                 return -1;
 124             }
 125
 126             break;
 127
 128         case VMEXIT_CPUID:
 129             if (v3_handle_cpuid(info) == -1) {
 130                 PrintError("Error handling CPUID\n");
 131                 return -1;
 132             }
 133
 134             break;
 135         case VMEXIT_CR0_WRITE:
 136 #ifdef CONFIG_DEBUG_CTRL_REGS
 137             PrintDebug("CR0 Write\n");
 138 #endif
 139             if (v3_handle_cr0_write(info) == -1) {
 140                 return -1;
 141             }
 142             break;
 143         case VMEXIT_CR0_READ:
 144 #ifdef CONFIG_DEBUG_CTRL_REGS
 145             PrintDebug("CR0 Read\n");
 146 #endif
 147             if (v3_handle_cr0_read(info) == -1) {
 148                 return -1;
 149             }
 150             break;
 151         case VMEXIT_CR3_WRITE:
 152 #ifdef CONFIG_DEBUG_CTRL_REGS
 153             PrintDebug("CR3 Write\n");
 154 #endif
 155             if (v3_handle_cr3_write(info) == -1) {
 156                 return -1;
 157             }
 158
 159             break;
 160         case  VMEXIT_CR3_READ:
 161 #ifdef CONFIG_DEBUG_CTRL_REGS
 162             PrintDebug("CR3 Read\n");
 163 #endif
 164             if (v3_handle_cr3_read(info) == -1) {
 165                 return -1;
 166             }
 167             break;
 168         case VMEXIT_CR4_WRITE:
 169 #ifdef CONFIG_DEBUG_CTRL_REGS
 170             PrintDebug("CR4 Write\n");
 171 #endif
 172             if (v3_handle_cr4_write(info) == -1) {
 173                 return -1;
 174             }
 175             break;
 176         case  VMEXIT_CR4_READ:
 177 #ifdef CONFIG_DEBUG_CTRL_REGS
 178             PrintDebug("CR4 Read\n");
 179 #endif
 180             if (v3_handle_cr4_read(info) == -1) {
 181                 return -1;
 182             }
 183             break;
 184         case VMEXIT_EXCP14: {
 185             addr_t fault_addr = exit_info2;
 186             pf_error_t * error_code = (pf_error_t *)&(exit_info1);
 187 #ifdef CONFIG_DEBUG_SHADOW_PAGING
 188             PrintDebug("PageFault at %p (error=%d)\n",
 189                        (void *)fault_addr, *(uint_t *)error_code);
 190 #endif
 191             if (info->shdw_pg_mode == SHADOW_PAGING) {
 192                 if (v3_handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
 193                     return -1;
 194                 }
 195             } else {
 196                 PrintError("Page fault in un implemented paging mode\n");
 197                 return -1;
 198             }
 199             break;
 200         }
 201         case VMEXIT_NPF: {
 202             addr_t fault_addr = exit_info2;
 203             pf_error_t * error_code = (pf_error_t *)&(exit_info1);
 204
 205             if (info->shdw_pg_mode == NESTED_PAGING) {
 206                 if (v3_handle_nested_pagefault(info, fault_addr, *error_code) == -1) {
 207                     return -1;
 208                 }
 209             } else {
 210                 PrintError("Currently unhandled Nested Page Fault\n");
 211                 return -1;
 212                     }
 213             break;
 214             }
 215         case VMEXIT_INVLPG:
 216             if (info->shdw_pg_mode == SHADOW_PAGING) {
 217 #ifdef CONFIG_DEBUG_SHADOW_PAGING
 218                 PrintDebug("Invlpg\n");
 219 #endif
 220                 if (v3_handle_shadow_invlpg(info) == -1) {
 221                     return -1;
 222                 }
 223             }
 224             break;
 225         case VMEXIT_VMMCALL:
 226             /*
 227              * Hypercall
 228              */
 229
 230             // VMMCALL is a 3 byte op
 231             // We do this early because some hypercalls can change the rip...
 232             info->rip += 3;
 233
 234             if (v3_handle_hypercall(info) == -1) {
 235                 PrintError("Error handling Hypercall\n");
 236                 return -1;
 237             }
 238
 239             break;
 240         case VMEXIT_INTR:
 241             // handled by interrupt dispatch earlier
 242             break;
 243         case VMEXIT_SMI:
 244             //   handle_svm_smi(info); // ignored for now
 245             break;
 246         case VMEXIT_HLT:
 247 #ifdef CONFIG_DEBUG_HALT
 248             PrintDebug("Guest halted\n");
 249 #endif
 250             if (v3_handle_halt(info) == -1) {
 251                 return -1;
 252             }
 253             break;
 254         case VMEXIT_PAUSE:
 255             //      PrintDebug("Guest paused\n");
 256             if (v3_handle_svm_pause(info) == -1) {
 257                 return -1;
 258             }
 259             break;
 260         case VMEXIT_WBINVD:
 261 #ifdef CONFIG_DEBUG_EMULATOR
 262             PrintDebug("WBINVD\n");
 263 #endif
 264             if (v3_handle_svm_wbinvd(info) == -1) {
 265                 return -1;
 266             }
 267             break;
 268
 269
 270
 271
 272
 273             /* Exits Following this line are NOT HANDLED */
 274             /*=======================================================================*/
 275
 276         default: {
 277
 278             addr_t rip_addr;
 279
 280             PrintDebug("Unhandled SVM Exit: %s\n", vmexit_code_to_str(exit_code));
 281
 282             rip_addr = get_addr_linear(info, info->rip, &(info->segments.cs));
 283
 284
 285             PrintError("SVM Returned:(VMCB=%p)\n", (void *)(info->vmm_data));
 286             PrintError("RIP: %p\n", (void *)(addr_t)(info->rip));
 287             PrintError("RIP Linear: %p\n", (void *)(addr_t)(rip_addr));
 288
 289             PrintError("SVM Returned: Exit Code: %p\n", (void *)(addr_t)exit_code);
 290
 291             PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(exit_info1));
 292             PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(exit_info1)) + 4));
 293
 294             PrintError("io_info2 low = 0x%.8x\n", *(uint_t*)&(exit_info2));
 295             PrintError("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(exit_info2)) + 4));
 296
 297
 298             if (info->shdw_pg_mode == SHADOW_PAGING) {
 299                 //      PrintHostPageTables(info, info->ctrl_regs.cr3);
 300                 //PrintGuestPageTables(info, info->shdw_pg_state.guest_cr3);
 301             }
 302
 303             return -1;
 304         }
 305     }
 306     // END OF SWITCH (EXIT_CODE)
 307
 308
 309 #ifdef CONFIG_VNET
 310
 311 #ifdef VNET_PROFILE
 312     rdtscll(vnet_start_time);
 313 #endif
 314     v3_vnet_pkt_process(info);
 315 #ifdef VNET_PROFILE
 316     rdtscll(vnet_end_time);
 317     vnet_time += vnet_end_time - vnet_start_time;
 318 #endif
 319 #endif
 320
 321 #ifdef CONFIG_LINUX_VIRTIO_NET
 322     v3_virtionic_pktprocess(info);
 323 #endif
 324
 325 #ifdef VNET_PROFILE
 326     rdtscll(exit_end_time);
 327     vmm_time += exit_end_time - exit_start_time;
 328     last_exit_time = exit_end_time;
 329     if ((num_exit % 100000) == 0) {
 330         PrintError("exit: %ld, vmm_time: %ld, guest_time: %ld, vnet_time: %ld\n", (long)num_exit, (long)vmm_time, (long)guest_time, (long)vnet_time);
 331         vmm_time = 0;
 332         vnet_time = 0;
 333         guest_time = 0;
 334         last_exit_time = 0;
 335     }
 336 #endif
 337
 338
 339 #ifdef CONFIG_TELEMETRY
 340     if (info->enable_telemetry) {
 341         v3_telemetry_end_exit(info, exit_code);
 342     }
 343 #endif
 344
 345
 346     if (exit_code == VMEXIT_INTR) {
 347         //PrintDebug("INTR ret IP = %x\n", guest_state->rip);
 348     }
 349
 350
 351     return 0;
 352 }
 353
 354
 355 static const char VMEXIT_CR0_READ_STR[] = "VMEXIT_CR0_READ";
 356 static const char VMEXIT_CR1_READ_STR[] = "VMEXIT_CR1_READ";
 357 static const char VMEXIT_CR2_READ_STR[] = "VMEXIT_CR2_READ";
 358 static const char VMEXIT_CR3_READ_STR[] = "VMEXIT_CR3_READ";
 359 static const char VMEXIT_CR4_READ_STR[] = "VMEXIT_CR4_READ";
 360 static const char VMEXIT_CR5_READ_STR[] = "VMEXIT_CR5_READ";
 361 static const char VMEXIT_CR6_READ_STR[] = "VMEXIT_CR6_READ";
 362 static const char VMEXIT_CR7_READ_STR[] = "VMEXIT_CR7_READ";
 363 static const char VMEXIT_CR8_READ_STR[] = "VMEXIT_CR8_READ";
 364 static const char VMEXIT_CR9_READ_STR[] = "VMEXIT_CR9_READ";
 365 static const char VMEXIT_CR10_READ_STR[] = "VMEXIT_CR10_READ";
 366 static const char VMEXIT_CR11_READ_STR[] = "VMEXIT_CR11_READ";
 367 static const char VMEXIT_CR12_READ_STR[] = "VMEXIT_CR12_READ";
 368 static const char VMEXIT_CR13_READ_STR[] = "VMEXIT_CR13_READ";
 369 static const char VMEXIT_CR14_READ_STR[] = "VMEXIT_CR14_READ";
 370 static const char VMEXIT_CR15_READ_STR[] = "VMEXIT_CR15_READ";
 371 static const char VMEXIT_CR0_WRITE_STR[] = "VMEXIT_CR0_WRITE";
 372 static const char VMEXIT_CR1_WRITE_STR[] = "VMEXIT_CR1_WRITE";
 373 static const char VMEXIT_CR2_WRITE_STR[] = "VMEXIT_CR2_WRITE";
 374 static const char VMEXIT_CR3_WRITE_STR[] = "VMEXIT_CR3_WRITE";
 375 static const char VMEXIT_CR4_WRITE_STR[] = "VMEXIT_CR4_WRITE";
 376 static const char VMEXIT_CR5_WRITE_STR[] = "VMEXIT_CR5_WRITE";
 377 static const char VMEXIT_CR6_WRITE_STR[] = "VMEXIT_CR6_WRITE";
 378 static const char VMEXIT_CR7_WRITE_STR[] = "VMEXIT_CR7_WRITE";
 379 static const char VMEXIT_CR8_WRITE_STR[] = "VMEXIT_CR8_WRITE";
 380 static const char VMEXIT_CR9_WRITE_STR[] = "VMEXIT_CR9_WRITE";
 381 static const char VMEXIT_CR10_WRITE_STR[] = "VMEXIT_CR10_WRITE";
 382 static const char VMEXIT_CR11_WRITE_STR[] = "VMEXIT_CR11_WRITE";
 383 static const char VMEXIT_CR12_WRITE_STR[] = "VMEXIT_CR12_WRITE";
 384 static const char VMEXIT_CR13_WRITE_STR[] = "VMEXIT_CR13_WRITE";
 385 static const char VMEXIT_CR14_WRITE_STR[] = "VMEXIT_CR14_WRITE";
 386 static const char VMEXIT_CR15_WRITE_STR[] = "VMEXIT_CR15_WRITE";
 387 static const char VMEXIT_DR0_READ_STR[] = "VMEXIT_DR0_READ";
 388 static const char VMEXIT_DR1_READ_STR[] = "VMEXIT_DR1_READ";
 389 static const char VMEXIT_DR2_READ_STR[] = "VMEXIT_DR2_READ";
 390 static const char VMEXIT_DR3_READ_STR[] = "VMEXIT_DR3_READ";
 391 static const char VMEXIT_DR4_READ_STR[] = "VMEXIT_DR4_READ";
 392 static const char VMEXIT_DR5_READ_STR[] = "VMEXIT_DR5_READ";
 393 static const char VMEXIT_DR6_READ_STR[] = "VMEXIT_DR6_READ";
 394 static const char VMEXIT_DR7_READ_STR[] = "VMEXIT_DR7_READ";
 395 static const char VMEXIT_DR8_READ_STR[] = "VMEXIT_DR8_READ";
 396 static const char VMEXIT_DR9_READ_STR[] = "VMEXIT_DR9_READ";
 397 static const char VMEXIT_DR10_READ_STR[] = "VMEXIT_DR10_READ";
 398 static const char VMEXIT_DR11_READ_STR[] = "VMEXIT_DR11_READ";
 399 static const char VMEXIT_DR12_READ_STR[] = "VMEXIT_DR12_READ";
 400 static const char VMEXIT_DR13_READ_STR[] = "VMEXIT_DR13_READ";
 401 static const char VMEXIT_DR14_READ_STR[] = "VMEXIT_DR14_READ";
 402 static const char VMEXIT_DR15_READ_STR[] = "VMEXIT_DR15_READ";
 403 static const char VMEXIT_DR0_WRITE_STR[] = "VMEXIT_DR0_WRITE";
 404 static const char VMEXIT_DR1_WRITE_STR[] = "VMEXIT_DR1_WRITE";
 405 static const char VMEXIT_DR2_WRITE_STR[] = "VMEXIT_DR2_WRITE";
 406 static const char VMEXIT_DR3_WRITE_STR[] = "VMEXIT_DR3_WRITE";
 407 static const char VMEXIT_DR4_WRITE_STR[] = "VMEXIT_DR4_WRITE";
 408 static const char VMEXIT_DR5_WRITE_STR[] = "VMEXIT_DR5_WRITE";
 409 static const char VMEXIT_DR6_WRITE_STR[] = "VMEXIT_DR6_WRITE";
 410 static const char VMEXIT_DR7_WRITE_STR[] = "VMEXIT_DR7_WRITE";
 411 static const char VMEXIT_DR8_WRITE_STR[] = "VMEXIT_DR8_WRITE";
 412 static const char VMEXIT_DR9_WRITE_STR[] = "VMEXIT_DR9_WRITE";
 413 static const char VMEXIT_DR10_WRITE_STR[] = "VMEXIT_DR10_WRITE";
 414 static const char VMEXIT_DR11_WRITE_STR[] = "VMEXIT_DR11_WRITE";
 415 static const char VMEXIT_DR12_WRITE_STR[] = "VMEXIT_DR12_WRITE";
 416 static const char VMEXIT_DR13_WRITE_STR[] = "VMEXIT_DR13_WRITE";
 417 static const char VMEXIT_DR14_WRITE_STR[] = "VMEXIT_DR14_WRITE";
 418 static const char VMEXIT_DR15_WRITE_STR[] = "VMEXIT_DR15_WRITE";
 419 static const char VMEXIT_EXCP0_STR[] = "VMEXIT_EXCP0";
 420 static const char VMEXIT_EXCP1_STR[] = "VMEXIT_EXCP1";
 421 static const char VMEXIT_EXCP2_STR[] = "VMEXIT_EXCP2";
 422 static const char VMEXIT_EXCP3_STR[] = "VMEXIT_EXCP3";
 423 static const char VMEXIT_EXCP4_STR[] = "VMEXIT_EXCP4";
 424 static const char VMEXIT_EXCP5_STR[] = "VMEXIT_EXCP5";
 425 static const char VMEXIT_EXCP6_STR[] = "VMEXIT_EXCP6";
 426 static const char VMEXIT_EXCP7_STR[] = "VMEXIT_EXCP7";
 427 static const char VMEXIT_EXCP8_STR[] = "VMEXIT_EXCP8";
 428 static const char VMEXIT_EXCP9_STR[] = "VMEXIT_EXCP9";
 429 static const char VMEXIT_EXCP10_STR[] = "VMEXIT_EXCP10";
 430 static const char VMEXIT_EXCP11_STR[] = "VMEXIT_EXCP11";
 431 static const char VMEXIT_EXCP12_STR[] = "VMEXIT_EXCP12";
 432 static const char VMEXIT_EXCP13_STR[] = "VMEXIT_EXCP13";
 433 static const char VMEXIT_EXCP14_STR[] = "VMEXIT_EXCP14";
 434 static const char VMEXIT_EXCP15_STR[] = "VMEXIT_EXCP15";
 435 static const char VMEXIT_EXCP16_STR[] = "VMEXIT_EXCP16";
 436 static const char VMEXIT_EXCP17_STR[] = "VMEXIT_EXCP17";
 437 static const char VMEXIT_EXCP18_STR[] = "VMEXIT_EXCP18";
 438 static const char VMEXIT_EXCP19_STR[] = "VMEXIT_EXCP19";
 439 static const char VMEXIT_EXCP20_STR[] = "VMEXIT_EXCP20";
 440 static const char VMEXIT_EXCP21_STR[] = "VMEXIT_EXCP21";
 441 static const char VMEXIT_EXCP22_STR[] = "VMEXIT_EXCP22";
 442 static const char VMEXIT_EXCP23_STR[] = "VMEXIT_EXCP23";
 443 static const char VMEXIT_EXCP24_STR[] = "VMEXIT_EXCP24";
 444 static const char VMEXIT_EXCP25_STR[] = "VMEXIT_EXCP25";
 445 static const char VMEXIT_EXCP26_STR[] = "VMEXIT_EXCP26";
 446 static const char VMEXIT_EXCP27_STR[] = "VMEXIT_EXCP27";
 447 static const char VMEXIT_EXCP28_STR[] = "VMEXIT_EXCP28";
 448 static const char VMEXIT_EXCP29_STR[] = "VMEXIT_EXCP29";
 449 static const char VMEXIT_EXCP30_STR[] = "VMEXIT_EXCP30";
 450 static const char VMEXIT_EXCP31_STR[] = "VMEXIT_EXCP31";
 451 static const char VMEXIT_INTR_STR[] = "VMEXIT_INTR";
 452 static const char VMEXIT_NMI_STR[] = "VMEXIT_NMI";
 453 static const char VMEXIT_SMI_STR[] = "VMEXIT_SMI";
 454 static const char VMEXIT_INIT_STR[] = "VMEXIT_INIT";
 455 static const char VMEXIT_VINITR_STR[] = "VMEXIT_VINITR";
 456 static const char VMEXIT_CR0_SEL_WRITE_STR[] = "VMEXIT_CR0_SEL_WRITE";
 457 static const char VMEXIT_IDTR_READ_STR[] = "VMEXIT_IDTR_READ";
 458 static const char VMEXIT_GDTR_READ_STR[] = "VMEXIT_GDTR_READ";
 459 static const char VMEXIT_LDTR_READ_STR[] = "VMEXIT_LDTR_READ";
 460 static const char VMEXIT_TR_READ_STR[] = "VMEXIT_TR_READ";
 461 static const char VMEXIT_IDTR_WRITE_STR[] = "VMEXIT_IDTR_WRITE";
 462 static const char VMEXIT_GDTR_WRITE_STR[] = "VMEXIT_GDTR_WRITE";
 463 static const char VMEXIT_LDTR_WRITE_STR[] = "VMEXIT_LDTR_WRITE";
 464 static const char VMEXIT_TR_WRITE_STR[] = "VMEXIT_TR_WRITE";
 465 static const char VMEXIT_RDTSC_STR[] = "VMEXIT_RDTSC";
 466 static const char VMEXIT_RDPMC_STR[] = "VMEXIT_RDPMC";
 467 static const char VMEXIT_PUSHF_STR[] = "VMEXIT_PUSHF";
 468 static const char VMEXIT_POPF_STR[] = "VMEXIT_POPF";
 469 static const char VMEXIT_CPUID_STR[] = "VMEXIT_CPUID";
 470 static const char VMEXIT_RSM_STR[] = "VMEXIT_RSM";
 471 static const char VMEXIT_IRET_STR[] = "VMEXIT_IRET";
 472 static const char VMEXIT_SWINT_STR[] = "VMEXIT_SWINT";
 473 static const char VMEXIT_INVD_STR[] = "VMEXIT_INVD";
 474 static const char VMEXIT_PAUSE_STR[] = "VMEXIT_PAUSE";
 475 static const char VMEXIT_HLT_STR[] = "VMEXIT_HLT";
 476 static const char VMEXIT_INVLPG_STR[] = "VMEXIT_INVLPG";
 477 static const char VMEXIT_INVLPGA_STR[] = "VMEXIT_INVLPGA";
 478 static const char VMEXIT_IOIO_STR[] = "VMEXIT_IOIO";
 479 static const char VMEXIT_MSR_STR[] = "VMEXIT_MSR";
 480 static const char VMEXIT_TASK_SWITCH_STR[] = "VMEXIT_TASK_SWITCH";
 481 static const char VMEXIT_FERR_FREEZE_STR[] = "VMEXIT_FERR_FREEZE";
 482 static const char VMEXIT_SHUTDOWN_STR[] = "VMEXIT_SHUTDOWN";
 483 static const char VMEXIT_VMRUN_STR[] = "VMEXIT_VMRUN";
 484 static const char VMEXIT_VMMCALL_STR[] = "VMEXIT_VMMCALL";
 485 static const char VMEXIT_VMLOAD_STR[] = "VMEXIT_VMLOAD";
 486 static const char VMEXIT_VMSAVE_STR[] = "VMEXIT_VMSAVE";
 487 static const char VMEXIT_STGI_STR[] = "VMEXIT_STGI";
 488 static const char VMEXIT_CLGI_STR[] = "VMEXIT_CLGI";
 489 static const char VMEXIT_SKINIT_STR[] = "VMEXIT_SKINIT";
 490 static const char VMEXIT_RDTSCP_STR[] = "VMEXIT_RDTSCP";
 491 static const char VMEXIT_ICEBP_STR[] = "VMEXIT_ICEBP";
 492 static const char VMEXIT_WBINVD_STR[] = "VMEXIT_WBINVD";
 493 static const char VMEXIT_MONITOR_STR[] = "VMEXIT_MONITOR";
 494 static const char VMEXIT_MWAIT_STR[] = "VMEXIT_MWAIT";
 495 static const char VMEXIT_MWAIT_CONDITIONAL_STR[] = "VMEXIT_MWAIT_CONDITIONAL";
 496 static const char VMEXIT_NPF_STR[] = "VMEXIT_NPF";
 497 static const char VMEXIT_INVALID_VMCB_STR[] = "VMEXIT_INVALID_VMCB";
 498
 499
 500
 501 const char * vmexit_code_to_str(uint_t exit_code) {
 502     switch(exit_code) {
 503         case VMEXIT_CR0_READ:
 504             return VMEXIT_CR0_READ_STR;
 505         case VMEXIT_CR1_READ:
 506             return VMEXIT_CR1_READ_STR;
 507         case VMEXIT_CR2_READ:
 508             return VMEXIT_CR2_READ_STR;
 509         case VMEXIT_CR3_READ:
 510             return VMEXIT_CR3_READ_STR;
 511         case VMEXIT_CR4_READ:
 512             return VMEXIT_CR4_READ_STR;
 513         case VMEXIT_CR5_READ:
 514             return VMEXIT_CR5_READ_STR;
 515         case VMEXIT_CR6_READ:
 516             return VMEXIT_CR6_READ_STR;
 517         case VMEXIT_CR7_READ:
 518             return VMEXIT_CR7_READ_STR;
 519         case VMEXIT_CR8_READ:
 520             return VMEXIT_CR8_READ_STR;
 521         case VMEXIT_CR9_READ:
 522             return VMEXIT_CR9_READ_STR;
 523         case VMEXIT_CR10_READ:
 524             return VMEXIT_CR10_READ_STR;
 525         case VMEXIT_CR11_READ:
 526             return VMEXIT_CR11_READ_STR;
 527         case VMEXIT_CR12_READ:
 528             return VMEXIT_CR12_READ_STR;
 529         case VMEXIT_CR13_READ:
 530             return VMEXIT_CR13_READ_STR;
 531         case VMEXIT_CR14_READ:
 532             return VMEXIT_CR14_READ_STR;
 533         case VMEXIT_CR15_READ:
 534             return VMEXIT_CR15_READ_STR;
 535         case VMEXIT_CR0_WRITE:
 536             return VMEXIT_CR0_WRITE_STR;
 537         case VMEXIT_CR1_WRITE:
 538             return VMEXIT_CR1_WRITE_STR;
 539         case VMEXIT_CR2_WRITE:
 540             return VMEXIT_CR2_WRITE_STR;
 541         case VMEXIT_CR3_WRITE:
 542             return VMEXIT_CR3_WRITE_STR;
 543         case VMEXIT_CR4_WRITE:
 544             return VMEXIT_CR4_WRITE_STR;
 545         case VMEXIT_CR5_WRITE:
 546             return VMEXIT_CR5_WRITE_STR;
 547         case VMEXIT_CR6_WRITE:
 548             return VMEXIT_CR6_WRITE_STR;
 549         case VMEXIT_CR7_WRITE:
 550             return VMEXIT_CR7_WRITE_STR;
 551         case VMEXIT_CR8_WRITE:
 552             return VMEXIT_CR8_WRITE_STR;
 553         case VMEXIT_CR9_WRITE:
 554             return VMEXIT_CR9_WRITE_STR;
 555         case VMEXIT_CR10_WRITE:
 556             return VMEXIT_CR10_WRITE_STR;
 557         case VMEXIT_CR11_WRITE:
 558             return VMEXIT_CR11_WRITE_STR;
 559         case VMEXIT_CR12_WRITE:
 560             return VMEXIT_CR12_WRITE_STR;
 561         case VMEXIT_CR13_WRITE:
 562             return VMEXIT_CR13_WRITE_STR;
 563         case VMEXIT_CR14_WRITE:
 564             return VMEXIT_CR14_WRITE_STR;
 565         case VMEXIT_CR15_WRITE:
 566             return VMEXIT_CR15_WRITE_STR;
 567         case VMEXIT_DR0_READ:
 568             return VMEXIT_DR0_READ_STR;
 569         case VMEXIT_DR1_READ:
 570             return VMEXIT_DR1_READ_STR;
 571         case VMEXIT_DR2_READ:
 572             return VMEXIT_DR2_READ_STR;
 573         case VMEXIT_DR3_READ:
 574             return VMEXIT_DR3_READ_STR;
 575         case VMEXIT_DR4_READ:
 576             return VMEXIT_DR4_READ_STR;
 577         case VMEXIT_DR5_READ:
 578             return VMEXIT_DR5_READ_STR;
 579         case VMEXIT_DR6_READ:
 580             return VMEXIT_DR6_READ_STR;
 581         case VMEXIT_DR7_READ:
 582             return VMEXIT_DR7_READ_STR;
 583         case VMEXIT_DR8_READ:
 584             return VMEXIT_DR8_READ_STR;
 585         case VMEXIT_DR9_READ:
 586             return VMEXIT_DR9_READ_STR;
 587         case VMEXIT_DR10_READ:
 588             return VMEXIT_DR10_READ_STR;
 589         case VMEXIT_DR11_READ:
 590             return VMEXIT_DR11_READ_STR;
 591         case VMEXIT_DR12_READ:
 592             return VMEXIT_DR12_READ_STR;
 593         case VMEXIT_DR13_READ:
 594             return VMEXIT_DR13_READ_STR;
 595         case VMEXIT_DR14_READ:
 596             return VMEXIT_DR14_READ_STR;
 597         case VMEXIT_DR15_READ:
 598             return VMEXIT_DR15_READ_STR;
 599         case VMEXIT_DR0_WRITE:
 600             return VMEXIT_DR0_WRITE_STR;
 601         case VMEXIT_DR1_WRITE:
 602             return VMEXIT_DR1_WRITE_STR;
 603         case VMEXIT_DR2_WRITE:
 604             return VMEXIT_DR2_WRITE_STR;
 605         case VMEXIT_DR3_WRITE:
 606             return VMEXIT_DR3_WRITE_STR;
 607         case VMEXIT_DR4_WRITE:
 608             return VMEXIT_DR4_WRITE_STR;
 609         case VMEXIT_DR5_WRITE:
 610             return VMEXIT_DR5_WRITE_STR;
 611         case VMEXIT_DR6_WRITE:
 612             return VMEXIT_DR6_WRITE_STR;
 613         case VMEXIT_DR7_WRITE:
 614             return VMEXIT_DR7_WRITE_STR;
 615         case VMEXIT_DR8_WRITE:
 616             return VMEXIT_DR8_WRITE_STR;
 617         case VMEXIT_DR9_WRITE:
 618             return VMEXIT_DR9_WRITE_STR;
 619         case VMEXIT_DR10_WRITE:
 620             return VMEXIT_DR10_WRITE_STR;
 621         case VMEXIT_DR11_WRITE:
 622             return VMEXIT_DR11_WRITE_STR;
 623         case VMEXIT_DR12_WRITE:
 624             return VMEXIT_DR12_WRITE_STR;
 625         case VMEXIT_DR13_WRITE:
 626             return VMEXIT_DR13_WRITE_STR;
 627         case VMEXIT_DR14_WRITE:
 628             return VMEXIT_DR14_WRITE_STR;
 629         case VMEXIT_DR15_WRITE:
 630             return VMEXIT_DR15_WRITE_STR;
 631         case VMEXIT_EXCP0:
 632             return VMEXIT_EXCP0_STR;
 633         case VMEXIT_EXCP1:
 634             return VMEXIT_EXCP1_STR;
 635         case VMEXIT_EXCP2:
 636             return VMEXIT_EXCP2_STR;
 637         case VMEXIT_EXCP3:
 638             return VMEXIT_EXCP3_STR;
 639         case VMEXIT_EXCP4:
 640             return VMEXIT_EXCP4_STR;
 641         case VMEXIT_EXCP5:
 642             return VMEXIT_EXCP5_STR;
 643         case VMEXIT_EXCP6:
 644             return VMEXIT_EXCP6_STR;
 645         case VMEXIT_EXCP7:
 646             return VMEXIT_EXCP7_STR;
 647         case VMEXIT_EXCP8:
 648             return VMEXIT_EXCP8_STR;
 649         case VMEXIT_EXCP9:
 650             return VMEXIT_EXCP9_STR;
 651         case VMEXIT_EXCP10:
 652             return VMEXIT_EXCP10_STR;
 653         case VMEXIT_EXCP11:
 654             return VMEXIT_EXCP11_STR;
 655         case VMEXIT_EXCP12:
 656             return VMEXIT_EXCP12_STR;
 657         case VMEXIT_EXCP13:
 658             return VMEXIT_EXCP13_STR;
 659         case VMEXIT_EXCP14:
 660             return VMEXIT_EXCP14_STR;
 661         case VMEXIT_EXCP15:
 662             return VMEXIT_EXCP15_STR;
 663         case VMEXIT_EXCP16:
 664             return VMEXIT_EXCP16_STR;
 665         case VMEXIT_EXCP17:
 666             return VMEXIT_EXCP17_STR;
 667         case VMEXIT_EXCP18:
 668             return VMEXIT_EXCP18_STR;
 669         case VMEXIT_EXCP19:
 670             return VMEXIT_EXCP19_STR;
 671         case VMEXIT_EXCP20:
 672             return VMEXIT_EXCP20_STR;
 673         case VMEXIT_EXCP21:
 674             return VMEXIT_EXCP21_STR;
 675         case VMEXIT_EXCP22:
 676             return VMEXIT_EXCP22_STR;
 677         case VMEXIT_EXCP23:
 678             return VMEXIT_EXCP23_STR;
 679         case VMEXIT_EXCP24:
 680             return VMEXIT_EXCP24_STR;
 681         case VMEXIT_EXCP25:
 682             return VMEXIT_EXCP25_STR;
 683         case VMEXIT_EXCP26:
 684             return VMEXIT_EXCP26_STR;
 685         case VMEXIT_EXCP27:
 686             return VMEXIT_EXCP27_STR;
 687         case VMEXIT_EXCP28:
 688             return VMEXIT_EXCP28_STR;
 689         case VMEXIT_EXCP29:
 690             return VMEXIT_EXCP29_STR;
 691         case VMEXIT_EXCP30:
 692             return VMEXIT_EXCP30_STR;
 693         case VMEXIT_EXCP31:
 694             return VMEXIT_EXCP31_STR;
 695         case VMEXIT_INTR:
 696             return VMEXIT_INTR_STR;
 697         case VMEXIT_NMI:
 698             return VMEXIT_NMI_STR;
 699         case VMEXIT_SMI:
 700             return VMEXIT_SMI_STR;
 701         case VMEXIT_INIT:
 702             return VMEXIT_INIT_STR;
 703         case VMEXIT_VINITR:
 704             return VMEXIT_VINITR_STR;
 705         case VMEXIT_CR0_SEL_WRITE:
 706             return VMEXIT_CR0_SEL_WRITE_STR;
 707         case VMEXIT_IDTR_READ:
 708             return VMEXIT_IDTR_READ_STR;
 709         case VMEXIT_GDTR_READ:
 710             return VMEXIT_GDTR_READ_STR;
 711         case VMEXIT_LDTR_READ:
 712             return VMEXIT_LDTR_READ_STR;
 713         case VMEXIT_TR_READ:
 714             return VMEXIT_TR_READ_STR;
 715         case VMEXIT_IDTR_WRITE:
 716             return VMEXIT_IDTR_WRITE_STR;
 717         case VMEXIT_GDTR_WRITE:
 718             return VMEXIT_GDTR_WRITE_STR;
 719         case VMEXIT_LDTR_WRITE:
 720             return VMEXIT_LDTR_WRITE_STR;
 721         case VMEXIT_TR_WRITE:
 722             return VMEXIT_TR_WRITE_STR;
 723         case VMEXIT_RDTSC:
 724             return VMEXIT_RDTSC_STR;
 725         case VMEXIT_RDPMC:
 726             return VMEXIT_RDPMC_STR;
 727         case VMEXIT_PUSHF:
 728             return VMEXIT_PUSHF_STR;
 729         case VMEXIT_POPF:
 730             return VMEXIT_POPF_STR;
 731         case VMEXIT_CPUID:
 732             return VMEXIT_CPUID_STR;
 733         case VMEXIT_RSM:
 734             return VMEXIT_RSM_STR;
 735         case VMEXIT_IRET:
 736             return VMEXIT_IRET_STR;
 737         case VMEXIT_SWINT:
 738             return VMEXIT_SWINT_STR;
 739         case VMEXIT_INVD:
 740             return VMEXIT_INVD_STR;
 741         case VMEXIT_PAUSE:
 742             return VMEXIT_PAUSE_STR;
 743         case VMEXIT_HLT:
 744             return VMEXIT_HLT_STR;
 745         case VMEXIT_INVLPG:
 746             return VMEXIT_INVLPG_STR;
 747         case VMEXIT_INVLPGA:
 748             return VMEXIT_INVLPGA_STR;
 749         case VMEXIT_IOIO:
 750             return VMEXIT_IOIO_STR;
 751         case VMEXIT_MSR:
 752             return VMEXIT_MSR_STR;
 753         case VMEXIT_TASK_SWITCH:
 754             return VMEXIT_TASK_SWITCH_STR;
 755         case VMEXIT_FERR_FREEZE:
 756             return VMEXIT_FERR_FREEZE_STR;
 757         case VMEXIT_SHUTDOWN:
 758             return VMEXIT_SHUTDOWN_STR;
 759         case VMEXIT_VMRUN:
 760             return VMEXIT_VMRUN_STR;
 761         case VMEXIT_VMMCALL:
 762             return VMEXIT_VMMCALL_STR;
 763         case VMEXIT_VMLOAD:
 764             return VMEXIT_VMLOAD_STR;
 765         case VMEXIT_VMSAVE:
 766             return VMEXIT_VMSAVE_STR;
 767         case VMEXIT_STGI:
 768             return VMEXIT_STGI_STR;
 769         case VMEXIT_CLGI:
 770             return VMEXIT_CLGI_STR;
 771         case VMEXIT_SKINIT:
 772             return VMEXIT_SKINIT_STR;
 773         case VMEXIT_RDTSCP:
 774             return VMEXIT_RDTSCP_STR;
 775         case VMEXIT_ICEBP:
 776             return VMEXIT_ICEBP_STR;
 777         case VMEXIT_WBINVD:
 778             return VMEXIT_WBINVD_STR;
 779         case VMEXIT_MONITOR:
 780             return VMEXIT_MONITOR_STR;
 781         case VMEXIT_MWAIT:
 782             return VMEXIT_MWAIT_STR;
 783         case VMEXIT_MWAIT_CONDITIONAL:
 784             return VMEXIT_MWAIT_CONDITIONAL_STR;
 785         case VMEXIT_NPF:
 786             return VMEXIT_NPF_STR;
 787         case VMEXIT_INVALID_VMCB:
 788             return VMEXIT_INVALID_VMCB_STR;
 789     }
 790     return NULL;
 791 }