palacios/src/palacios/vmcs.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 #include <palacios/vmcs.h>
  21 #include <palacios/vmx_lowlevel.h>
  22 #include <palacios/vmm.h>
  23 #include <palacios/vmx.h>
  24 #include <palacios/vm_guest_mem.h>
  25 #include <palacios/vmm_ctrl_regs.h>
  26 #include <palacios/vmm_lowlevel.h>
  27
  28
  29
  30
  31
  32 static int inline check_vmcs_write(vmcs_field_t field, addr_t val) {
  33     int ret = 0;
  34     ret = vmcs_write(field, val);
  35
  36     if (ret != VMX_SUCCESS) {
  37         PrintError("VMWRITE error on %s!: %d\n", v3_vmcs_field_to_str(field), ret);
  38         return 1;
  39     }
  40
  41     return 0;
  42 }
  43
  44 static int inline check_vmcs_read(vmcs_field_t field, void * val) {
  45     int ret = 0;
  46     ret = vmcs_read(field, val);
  47
  48     if (ret != VMX_SUCCESS) {
  49         PrintError("VMREAD error on %s!: %d\n", v3_vmcs_field_to_str(field), ret);
  50     }
  51
  52     return ret;
  53 }
  54
  55
  56
  57
  58
  59
  60
  61 typedef enum { ES = 0,
  62                CS = 2,
  63                SS = 4,
  64                DS = 6,
  65                FS = 8,
  66                GS = 10,
  67                LDTR = 12,
  68                TR = 14,
  69                GDTR = 16,
  70                IDTR = 18} vmcs_seg_offsets_t;
  71
  72 typedef enum {BASE = VMCS_GUEST_ES_BASE,
  73               LIMIT = VMCS_GUEST_ES_LIMIT,
  74               ACCESS = VMCS_GUEST_ES_ACCESS,
  75               SELECTOR = VMCS_GUEST_ES_SELECTOR } vmcs_seg_bases_t;
  76
  77
  78
  79 static int v3_read_vmcs_segment(struct v3_segment * seg, vmcs_seg_offsets_t seg_type) {
  80     vmcs_field_t selector = VMCS_GUEST_ES_SELECTOR + seg_type;
  81     vmcs_field_t base = VMCS_GUEST_ES_BASE + seg_type;
  82     vmcs_field_t limit = VMCS_GUEST_ES_LIMIT + seg_type;
  83     vmcs_field_t access = VMCS_GUEST_ES_ACCESS + seg_type;
  84     struct vmcs_segment vmcs_seg;
  85
  86     memset(&vmcs_seg, 0, sizeof(struct vmcs_segment));
  87
  88     check_vmcs_read(limit, &(vmcs_seg.limit));
  89     check_vmcs_read(base, &(vmcs_seg.base));
  90
  91     if ((seg_type != GDTR) && (seg_type != IDTR)) {
  92         check_vmcs_read(selector, &(vmcs_seg.selector));
  93         check_vmcs_read(access, &(vmcs_seg.access.val));
  94     }
  95
  96     v3_vmxseg_to_seg(&vmcs_seg, seg);
  97
  98     return 0;
  99 }
 100
 101 static int v3_write_vmcs_segment(struct v3_segment * seg, vmcs_seg_offsets_t seg_type) {
 102     vmcs_field_t selector = VMCS_GUEST_ES_SELECTOR + seg_type;
 103     vmcs_field_t base = VMCS_GUEST_ES_BASE + seg_type;
 104     vmcs_field_t limit = VMCS_GUEST_ES_LIMIT + seg_type;
 105     vmcs_field_t access = VMCS_GUEST_ES_ACCESS + seg_type;
 106     struct vmcs_segment vmcs_seg;
 107
 108     v3_seg_to_vmxseg(seg, &vmcs_seg);
 109
 110     check_vmcs_write(limit, vmcs_seg.limit);
 111     check_vmcs_write(base, vmcs_seg.base);
 112
 113     if ((seg_type != GDTR) && (seg_type != IDTR)) {
 114         check_vmcs_write(access, vmcs_seg.access.val);
 115         check_vmcs_write(selector, vmcs_seg.selector);
 116     }
 117
 118     return 0;
 119 }
 120
 121 int v3_read_vmcs_segments(struct v3_segments * segs) {
 122     v3_read_vmcs_segment(&(segs->cs), CS);
 123     v3_read_vmcs_segment(&(segs->ds), DS);
 124     v3_read_vmcs_segment(&(segs->es), ES);
 125     v3_read_vmcs_segment(&(segs->fs), FS);
 126     v3_read_vmcs_segment(&(segs->gs), GS);
 127     v3_read_vmcs_segment(&(segs->ss), SS);
 128     v3_read_vmcs_segment(&(segs->ldtr), LDTR);
 129     v3_read_vmcs_segment(&(segs->gdtr), GDTR);
 130     v3_read_vmcs_segment(&(segs->idtr), IDTR);
 131     v3_read_vmcs_segment(&(segs->tr), TR);
 132
 133     return 0;
 134 }
 135
 136 int v3_write_vmcs_segments(struct v3_segments * segs) {
 137     v3_write_vmcs_segment(&(segs->cs), CS);
 138     v3_write_vmcs_segment(&(segs->ds), DS);
 139     v3_write_vmcs_segment(&(segs->es), ES);
 140     v3_write_vmcs_segment(&(segs->fs), FS);
 141     v3_write_vmcs_segment(&(segs->gs), GS);
 142     v3_write_vmcs_segment(&(segs->ss), SS);
 143     v3_write_vmcs_segment(&(segs->ldtr), LDTR);
 144     v3_write_vmcs_segment(&(segs->gdtr), GDTR);
 145     v3_write_vmcs_segment(&(segs->idtr), IDTR);
 146     v3_write_vmcs_segment(&(segs->tr), TR);
 147
 148     return 0;
 149 }
 150
 151
 152 void v3_vmxseg_to_seg(struct vmcs_segment * vmcs_seg, struct v3_segment * seg) {
 153     memset(seg, 0, sizeof(struct v3_segment));
 154
 155     seg->selector = vmcs_seg->selector;
 156     seg->limit = vmcs_seg->limit;
 157     seg->base = vmcs_seg->base;
 158
 159     seg->type = vmcs_seg->access.type;
 160     seg->system = vmcs_seg->access.desc_type;
 161     seg->dpl = vmcs_seg->access.dpl;
 162     seg->present = vmcs_seg->access.present;
 163     seg->avail = vmcs_seg->access.avail;
 164     seg->long_mode = vmcs_seg->access.long_mode;
 165     seg->db = vmcs_seg->access.db;
 166     seg->granularity = vmcs_seg->access.granularity;
 167     seg->unusable = vmcs_seg->access.unusable;
 168
 169 }
 170
 171 void v3_seg_to_vmxseg(struct v3_segment * seg, struct vmcs_segment * vmcs_seg) {
 172     memset(vmcs_seg, 0, sizeof(struct vmcs_segment));
 173
 174     vmcs_seg->selector = seg->selector;
 175     vmcs_seg->limit = seg->limit;
 176     vmcs_seg->base = seg->base;
 177
 178     vmcs_seg->access.type = seg->type;
 179     vmcs_seg->access.desc_type = seg->system;
 180     vmcs_seg->access.dpl = seg->dpl;
 181     vmcs_seg->access.present = seg->present;
 182     vmcs_seg->access.avail = seg->avail;
 183     vmcs_seg->access.long_mode = seg->long_mode;
 184     vmcs_seg->access.db = seg->db;
 185     vmcs_seg->access.granularity = seg->granularity;
 186     vmcs_seg->access.unusable = seg->unusable;
 187 }
 188
 189
 190
 191
 192 int v3_update_vmcs_ctrl_fields(struct guest_info * info) {
 193     int vmx_ret = 0;
 194     struct vmx_data * arch_data = (struct vmx_data *)(info->vmm_data);
 195
 196     vmx_ret |= check_vmcs_write(VMCS_PIN_CTRLS, arch_data->pin_ctrls.value);
 197     vmx_ret |= check_vmcs_write(VMCS_PROC_CTRLS, arch_data->pri_proc_ctrls.value);
 198
 199     if (arch_data->pri_proc_ctrls.sec_ctrls) {
 200         vmx_ret |= check_vmcs_write(VMCS_SEC_PROC_CTRLS, arch_data->sec_proc_ctrls.value);
 201     }
 202
 203     vmx_ret |= check_vmcs_write(VMCS_EXIT_CTRLS, arch_data->exit_ctrls.value);
 204     vmx_ret |= check_vmcs_write(VMCS_ENTRY_CTRLS, arch_data->entry_ctrls.value);
 205
 206     return vmx_ret;
 207 }
 208
 209
 210
 211
 212
 213
 214 int v3_vmx_save_vmcs(struct guest_info * info) {
 215     struct vmx_data * vmx_info = (struct vmx_data *)(info->vmm_data);
 216     int error = 0;
 217
 218     check_vmcs_read(VMCS_GUEST_RIP, &(info->rip));
 219     check_vmcs_read(VMCS_GUEST_RSP, &(info->vm_regs.rsp));
 220
 221     check_vmcs_read(VMCS_GUEST_CR0, &(info->ctrl_regs.cr0));
 222     check_vmcs_read(VMCS_CR0_READ_SHDW, &(info->shdw_pg_state.guest_cr0));
 223     check_vmcs_read(VMCS_GUEST_CR3, &(info->ctrl_regs.cr3));
 224     check_vmcs_read(VMCS_GUEST_CR4, &(info->ctrl_regs.cr4));
 225     check_vmcs_read(VMCS_CR4_READ_SHDW, &(vmx_info->guest_cr4));
 226     check_vmcs_read(VMCS_GUEST_DR7, &(info->dbg_regs.dr7));
 227
 228     check_vmcs_read(VMCS_GUEST_RFLAGS, &(info->ctrl_regs.rflags));
 229     if (((struct vmx_data *)info->vmm_data)->ia32e_avail) {
 230 #ifdef __V3_64BIT__
 231         check_vmcs_read(VMCS_GUEST_EFER, &(info->ctrl_regs.efer));
 232 #else
 233         uint32_t hi, lo;
 234         check_vmcs_read(VMCS_GUEST_EFER, &hi);
 235         check_vmcs_read(VMCS_GUEST_EFER_HIGH, &lo);
 236         info->ctrl_regs.efer = ((uint64_t) hi << 32) | lo;
 237 #endif
 238     }
 239
 240     error =  v3_read_vmcs_segments(&(info->segments));
 241
 242     return error;
 243 }
 244
 245
 246 int v3_vmx_restore_vmcs(struct guest_info * info) {
 247     struct vmx_data * vmx_info = (struct vmx_data *)(info->vmm_data);
 248     int error = 0;
 249
 250     check_vmcs_write(VMCS_GUEST_RIP, info->rip);
 251     check_vmcs_write(VMCS_GUEST_RSP, info->vm_regs.rsp);
 252
 253     check_vmcs_write(VMCS_GUEST_CR0, info->ctrl_regs.cr0);
 254     check_vmcs_write(VMCS_CR0_READ_SHDW, info->shdw_pg_state.guest_cr0);
 255     check_vmcs_write(VMCS_GUEST_CR3, info->ctrl_regs.cr3);
 256     check_vmcs_write(VMCS_GUEST_CR4, info->ctrl_regs.cr4);
 257     check_vmcs_write(VMCS_CR4_READ_SHDW, vmx_info->guest_cr4);
 258     check_vmcs_write(VMCS_GUEST_DR7, info->dbg_regs.dr7);
 259
 260     check_vmcs_write(VMCS_GUEST_RFLAGS, info->ctrl_regs.rflags);
 261
 262     if (((struct vmx_data *)info->vmm_data)->ia32e_avail) {
 263         check_vmcs_write(VMCS_GUEST_EFER, info->ctrl_regs.efer);
 264     }
 265
 266     error = v3_write_vmcs_segments(&(info->segments));
 267
 268     return error;
 269
 270 }
 271
 272
 273
 274 int v3_update_vmcs_host_state(struct guest_info * info) {
 275     int vmx_ret = 0;
 276     addr_t tmp;
 277     struct vmx_data * arch_data = (struct vmx_data *)(info->vmm_data);
 278     struct v3_msr tmp_msr;
 279
 280 #ifdef __V3_64BIT__
 281     __asm__ __volatile__ ( "movq    %%cr0, %0; "
 282                            : "=q"(tmp)
 283                            :
 284     );
 285 #else
 286     __asm__ __volatile__ ( "movl    %%cr0, %0; "
 287                            : "=q"(tmp)
 288                            :
 289     );
 290 #endif
 291     vmx_ret |= check_vmcs_write(VMCS_HOST_CR0, tmp);
 292
 293
 294 #ifdef __V3_64BIT__
 295     __asm__ __volatile__ ( "movq %%cr3, %0; "
 296                            : "=q"(tmp)
 297                            :
 298     );
 299 #else
 300     __asm__ __volatile__ ( "movl %%cr3, %0; "
 301                            : "=q"(tmp)
 302                            :
 303     );
 304 #endif
 305     vmx_ret |= check_vmcs_write(VMCS_HOST_CR3, tmp);
 306
 307
 308 #ifdef __V3_64BIT__
 309     __asm__ __volatile__ ( "movq %%cr4, %0; "
 310                            : "=q"(tmp)
 311                            :
 312     );
 313 #else
 314     __asm__ __volatile__ ( "movl %%cr4, %0; "
 315                            : "=q"(tmp)
 316                            :
 317     );
 318 #endif
 319     vmx_ret |= check_vmcs_write(VMCS_HOST_CR4, tmp);
 320
 321
 322
 323     vmx_ret |= check_vmcs_write(VMCS_HOST_GDTR_BASE, arch_data->host_state.gdtr.base);
 324     vmx_ret |= check_vmcs_write(VMCS_HOST_IDTR_BASE, arch_data->host_state.idtr.base);
 325     vmx_ret |= check_vmcs_write(VMCS_HOST_TR_BASE, arch_data->host_state.tr.base);
 326
 327 #define FS_BASE_MSR 0xc0000100
 328 #define GS_BASE_MSR 0xc0000101
 329
 330     // FS.BASE MSR
 331     v3_get_msr(FS_BASE_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
 332     vmx_ret |= check_vmcs_write(VMCS_HOST_FS_BASE, tmp_msr.value);
 333
 334     // GS.BASE MSR
 335     v3_get_msr(GS_BASE_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
 336     vmx_ret |= check_vmcs_write(VMCS_HOST_GS_BASE, tmp_msr.value);
 337
 338
 339
 340 #ifdef __V3_64BIT__
 341     __asm__ __volatile__ ( "movq %%cs, %0; "
 342                            : "=q"(tmp)
 343                            :
 344     );
 345 #else
 346     __asm__ __volatile__ ( "movl %%cs, %0; "
 347                            : "=q"(tmp)
 348                            :
 349     );
 350 #endif
 351     vmx_ret |= check_vmcs_write(VMCS_HOST_CS_SELECTOR, tmp);
 352
 353 #ifdef __V3_64BIT__
 354     __asm__ __volatile__ ( "movq %%ss, %0; "
 355                            : "=q"(tmp)
 356                            :
 357     );
 358 #else
 359     __asm__ __volatile__ ( "movl %%ss, %0; "
 360                            : "=q"(tmp)
 361                            :
 362     );
 363 #endif
 364     vmx_ret |= check_vmcs_write(VMCS_HOST_SS_SELECTOR, tmp);
 365
 366 #ifdef __V3_64BIT__
 367     __asm__ __volatile__ ( "movq %%ds, %0; "
 368                            : "=q"(tmp)
 369                            :
 370     );
 371 #else
 372     __asm__ __volatile__ ( "movl %%ds, %0; "
 373                            : "=q"(tmp)
 374                            :
 375     );
 376 #endif
 377     vmx_ret |= check_vmcs_write(VMCS_HOST_DS_SELECTOR, tmp);
 378
 379 #ifdef __V3_64BIT__
 380     __asm__ __volatile__ ( "movq %%es, %0; "
 381                            : "=q"(tmp)
 382                            :
 383     );
 384 #else
 385     __asm__ __volatile__ ( "movl %%es, %0; "
 386                            : "=q"(tmp)
 387                            :
 388     );
 389 #endif
 390     vmx_ret |= check_vmcs_write(VMCS_HOST_ES_SELECTOR, tmp);
 391
 392 #ifdef __V3_64BIT__
 393     __asm__ __volatile__ ( "movq %%fs, %0; "
 394                            : "=q"(tmp)
 395                            :
 396     );
 397 #else
 398     __asm__ __volatile__ ( "movl %%fs, %0; "
 399                            : "=q"(tmp)
 400                            :
 401     );
 402 #endif
 403     vmx_ret |= check_vmcs_write(VMCS_HOST_FS_SELECTOR, tmp);
 404
 405 #ifdef __V3_64BIT__
 406     __asm__ __volatile__ ( "movq %%gs, %0; "
 407                            : "=q"(tmp)
 408                            :
 409     );
 410 #else
 411     __asm__ __volatile__ ( "movl %%gs, %0; "
 412                            : "=q"(tmp)
 413                            :
 414     );
 415 #endif
 416     vmx_ret |= check_vmcs_write(VMCS_HOST_GS_SELECTOR, tmp);
 417
 418     vmx_ret |= check_vmcs_write(VMCS_HOST_TR_SELECTOR, arch_data->host_state.tr.selector);
 419
 420
 421 #define SYSENTER_CS_MSR 0x00000174
 422 #define SYSENTER_ESP_MSR 0x00000175
 423 #define SYSENTER_EIP_MSR 0x00000176
 424
 425    // SYSENTER CS MSR
 426     v3_get_msr(SYSENTER_CS_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
 427     vmx_ret |= check_vmcs_write(VMCS_HOST_SYSENTER_CS, tmp_msr.lo);
 428
 429     // SYSENTER_ESP MSR
 430     v3_get_msr(SYSENTER_ESP_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
 431     vmx_ret |= check_vmcs_write(VMCS_HOST_SYSENTER_ESP, tmp_msr.value);
 432
 433     // SYSENTER_EIP MSR
 434     v3_get_msr(SYSENTER_EIP_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
 435     vmx_ret |= check_vmcs_write(VMCS_HOST_SYSENTER_EIP, tmp_msr.value);
 436
 437     return vmx_ret;
 438 }
 439
 440
 441
 442
 443
 444
 445 static inline void print_vmcs_field(vmcs_field_t vmcs_index) {
 446     int len = v3_vmcs_get_field_len(vmcs_index);
 447     addr_t val;
 448
 449     if (vmcs_read(vmcs_index, &val) != VMX_SUCCESS) {
 450         PrintError("VMCS_READ error for %s\n", v3_vmcs_field_to_str(vmcs_index));
 451         return;
 452     };
 453
 454     if (len == 2) {
 455         PrintDebug("\t%s: 0x%.4x\n", v3_vmcs_field_to_str(vmcs_index), (uint16_t)val);
 456     } else if (len == 4) {
 457         PrintDebug("\t%s: 0x%.8x\n", v3_vmcs_field_to_str(vmcs_index), (uint32_t)val);
 458     } else if (len == 8) {
 459         PrintDebug("\t%s: 0x%p\n", v3_vmcs_field_to_str(vmcs_index), (void *)(addr_t)val);
 460     }
 461 }
 462
 463
 464 static void print_vmcs_segments() {
 465     struct v3_segments segs;
 466
 467     v3_read_vmcs_segments(&segs);
 468     v3_print_segments(&segs);
 469
 470
 471     PrintDebug("   ==> CS\n");
 472     print_vmcs_field(VMCS_GUEST_CS_SELECTOR);
 473     print_vmcs_field(VMCS_GUEST_CS_BASE);
 474     print_vmcs_field(VMCS_GUEST_CS_LIMIT);
 475     print_vmcs_field(VMCS_GUEST_CS_ACCESS);
 476
 477     PrintDebug("   ==> SS\n");
 478     print_vmcs_field(VMCS_GUEST_SS_SELECTOR);
 479     print_vmcs_field(VMCS_GUEST_SS_BASE);
 480     print_vmcs_field(VMCS_GUEST_SS_LIMIT);
 481     print_vmcs_field(VMCS_GUEST_SS_ACCESS);
 482
 483     PrintDebug("   ==> DS\n");
 484     print_vmcs_field(VMCS_GUEST_DS_SELECTOR);
 485     print_vmcs_field(VMCS_GUEST_DS_BASE);
 486     print_vmcs_field(VMCS_GUEST_DS_LIMIT);
 487     print_vmcs_field(VMCS_GUEST_DS_ACCESS);
 488
 489     PrintDebug("   ==> ES\n");
 490     print_vmcs_field(VMCS_GUEST_ES_SELECTOR);
 491     print_vmcs_field(VMCS_GUEST_ES_BASE);
 492     print_vmcs_field(VMCS_GUEST_ES_LIMIT);
 493     print_vmcs_field(VMCS_GUEST_ES_ACCESS);
 494
 495     PrintDebug("   ==> FS\n");
 496     print_vmcs_field(VMCS_GUEST_FS_SELECTOR);
 497     print_vmcs_field(VMCS_GUEST_FS_BASE);
 498     print_vmcs_field(VMCS_GUEST_FS_LIMIT);
 499     print_vmcs_field(VMCS_GUEST_FS_ACCESS);
 500
 501     PrintDebug("   ==> GS\n");
 502     print_vmcs_field(VMCS_GUEST_GS_SELECTOR);
 503     print_vmcs_field(VMCS_GUEST_GS_BASE);
 504     print_vmcs_field(VMCS_GUEST_GS_LIMIT);
 505     print_vmcs_field(VMCS_GUEST_GS_ACCESS);
 506
 507     PrintDebug("   ==> LDTR\n");
 508     print_vmcs_field(VMCS_GUEST_LDTR_SELECTOR);
 509     print_vmcs_field(VMCS_GUEST_LDTR_BASE);
 510     print_vmcs_field(VMCS_GUEST_LDTR_LIMIT);
 511     print_vmcs_field(VMCS_GUEST_LDTR_ACCESS);
 512
 513     PrintDebug("   ==> TR\n");
 514     print_vmcs_field(VMCS_GUEST_TR_SELECTOR);
 515     print_vmcs_field(VMCS_GUEST_TR_BASE);
 516     print_vmcs_field(VMCS_GUEST_TR_LIMIT);
 517     print_vmcs_field(VMCS_GUEST_TR_ACCESS);
 518
 519     PrintDebug("   ==> GDTR\n");
 520     print_vmcs_field(VMCS_GUEST_GDTR_BASE);
 521     print_vmcs_field(VMCS_GUEST_GDTR_LIMIT);
 522
 523     PrintDebug("   ==> IDTR\n");
 524     print_vmcs_field(VMCS_GUEST_IDTR_BASE);
 525     print_vmcs_field(VMCS_GUEST_IDTR_LIMIT);
 526
 527
 528 }
 529
 530
 531
 532
 533 static void print_guest_state()
 534 {
 535     PrintDebug("VMCS_GUEST_STATE\n");
 536     print_vmcs_field(VMCS_GUEST_RIP);
 537     print_vmcs_field(VMCS_GUEST_RSP);
 538     print_vmcs_field(VMCS_GUEST_RFLAGS);
 539     print_vmcs_field(VMCS_GUEST_CR0);
 540     print_vmcs_field(VMCS_GUEST_CR3);
 541     print_vmcs_field(VMCS_GUEST_CR4);
 542     print_vmcs_field(VMCS_GUEST_DR7);
 543
 544
 545     PrintDebug("\n");
 546
 547     print_vmcs_segments();
 548
 549     PrintDebug("\n");
 550
 551     print_vmcs_field(VMCS_GUEST_DBG_CTL);
 552 #ifdef __V3_32BIT__
 553     print_vmcs_field(VMCS_GUEST_DBG_CTL_HIGH);
 554 #endif
 555     print_vmcs_field(VMCS_GUEST_SYSENTER_CS);
 556     print_vmcs_field(VMCS_GUEST_SYSENTER_ESP);
 557     print_vmcs_field(VMCS_GUEST_SYSENTER_EIP);
 558
 559     print_vmcs_field(VMCS_GUEST_PERF_GLOBAL_CTRL);
 560 #ifdef __V3_32BIT__
 561     print_vmcs_field(VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH);
 562 #endif
 563
 564     print_vmcs_field(VMCS_GUEST_SMBASE);
 565
 566
 567     PrintDebug("GUEST_NON_REGISTER_STATE\n");
 568
 569     print_vmcs_field(VMCS_GUEST_ACTIVITY_STATE);
 570     print_vmcs_field(VMCS_GUEST_INT_STATE);
 571     print_vmcs_field(VMCS_GUEST_PENDING_DBG_EXCP);
 572
 573 }
 574
 575 static void print_host_state()
 576 {
 577     PrintDebug("VMCS_HOST_STATE\n");
 578
 579     print_vmcs_field(VMCS_HOST_RIP);
 580     print_vmcs_field(VMCS_HOST_RSP);
 581     print_vmcs_field(VMCS_HOST_CR0);
 582     print_vmcs_field(VMCS_HOST_CR3);
 583     print_vmcs_field(VMCS_HOST_CR4);
 584
 585     PrintDebug("\n");
 586     print_vmcs_field(VMCS_HOST_CS_SELECTOR);
 587     print_vmcs_field(VMCS_HOST_SS_SELECTOR);
 588     print_vmcs_field(VMCS_HOST_DS_SELECTOR);
 589     print_vmcs_field(VMCS_HOST_ES_SELECTOR);
 590     print_vmcs_field(VMCS_HOST_FS_SELECTOR);
 591     print_vmcs_field(VMCS_HOST_GS_SELECTOR);
 592     print_vmcs_field(VMCS_HOST_TR_SELECTOR);
 593
 594     PrintDebug("\n");
 595     print_vmcs_field(VMCS_HOST_FS_BASE);
 596     print_vmcs_field(VMCS_HOST_GS_BASE);
 597     print_vmcs_field(VMCS_HOST_TR_BASE);
 598     print_vmcs_field(VMCS_HOST_GDTR_BASE);
 599     print_vmcs_field(VMCS_HOST_IDTR_BASE);
 600
 601     PrintDebug("\n");
 602     print_vmcs_field(VMCS_HOST_SYSENTER_CS);
 603     print_vmcs_field(VMCS_HOST_SYSENTER_ESP);
 604     print_vmcs_field(VMCS_HOST_SYSENTER_EIP);
 605
 606     print_vmcs_field(VMCS_HOST_PERF_GLOBAL_CTRL);
 607 #ifdef __V3_32BIT__
 608     print_vmcs_field(VMCS_HOST_PERF_GLOBAL_CTRL_HIGH);
 609 #endif
 610 }
 611
 612
 613 static void print_exec_ctrls() {
 614     PrintDebug("VMCS_EXEC_CTRL_FIELDS\n");
 615     print_vmcs_field(VMCS_PIN_CTRLS);
 616     print_vmcs_field(VMCS_PROC_CTRLS);
 617     print_vmcs_field(VMCS_SEC_PROC_CTRLS);
 618
 619     print_vmcs_field(VMCS_EXCP_BITMAP);
 620     print_vmcs_field(VMCS_PG_FAULT_ERR_MASK);
 621     print_vmcs_field(VMCS_PG_FAULT_ERR_MATCH);
 622
 623     print_vmcs_field(VMCS_IO_BITMAP_A_ADDR);
 624 #ifdef __V3_32BIT__
 625     print_vmcs_field(VMCS_IO_BITMAP_A_ADDR_HIGH);
 626 #endif
 627     print_vmcs_field(VMCS_IO_BITMAP_B_ADDR);
 628 #ifdef __V3_32BIT__
 629     print_vmcs_field(VMCS_IO_BITMAP_B_ADDR_HIGH);
 630 #endif
 631
 632     print_vmcs_field(VMCS_TSC_OFFSET);
 633 #ifdef __V3_32BIT__
 634     print_vmcs_field(VMCS_TSC_OFFSET_HIGH);
 635 #endif
 636
 637     PrintDebug("\n");
 638
 639     print_vmcs_field(VMCS_CR0_MASK);
 640     print_vmcs_field(VMCS_CR0_READ_SHDW);
 641     print_vmcs_field(VMCS_CR4_MASK);
 642     print_vmcs_field(VMCS_CR4_READ_SHDW);
 643
 644     print_vmcs_field(VMCS_CR3_TGT_CNT);
 645     print_vmcs_field(VMCS_CR3_TGT_VAL_0);
 646     print_vmcs_field(VMCS_CR3_TGT_VAL_1);
 647     print_vmcs_field(VMCS_CR3_TGT_VAL_2);
 648     print_vmcs_field(VMCS_CR3_TGT_VAL_3);
 649
 650     PrintDebug("\n");
 651
 652     print_vmcs_field(VMCS_APIC_ACCESS_ADDR);
 653 #ifdef __V3_32BIT__
 654     print_vmcs_field(VMCS_APIC_ACCESS_ADDR_HIGH);
 655 #endif
 656
 657     print_vmcs_field(VMCS_VAPIC_ADDR);
 658 #ifdef __V3_32BIT__
 659     print_vmcs_field(VMCS_VAPIC_ADDR_HIGH);
 660 #endif
 661
 662     print_vmcs_field(VMCS_TPR_THRESHOLD);
 663
 664     print_vmcs_field(VMCS_MSR_BITMAP);
 665 #ifdef __V3_32BIT__
 666     print_vmcs_field(VMCS_MSR_BITMAP_HIGH);
 667 #endif
 668
 669     print_vmcs_field(VMCS_EXEC_PTR);
 670 #ifdef __V3_32BIT__
 671     print_vmcs_field(VMCS_EXEC_PTR_HIGH);
 672 #endif
 673 }
 674
 675
 676 static void print_exit_ctrls() {
 677     PrintDebug("VMCS_EXIT_CTRLS\n");
 678
 679     print_vmcs_field(VMCS_EXIT_CTRLS);
 680
 681
 682     print_vmcs_field(VMCS_EXIT_MSR_STORE_CNT);
 683     print_vmcs_field(VMCS_EXIT_MSR_STORE_ADDR);
 684 #ifdef __V3_32BIT__
 685     print_vmcs_field(VMCS_EXIT_MSR_STORE_ADDR_HIGH);
 686 #endif
 687
 688     print_vmcs_field(VMCS_EXIT_MSR_LOAD_CNT);
 689     print_vmcs_field(VMCS_EXIT_MSR_LOAD_ADDR);
 690 #ifdef __V3_32BIT__
 691     print_vmcs_field(VMCS_EXIT_MSR_LOAD_ADDR_HIGH);
 692 #endif
 693
 694 }
 695
 696
 697 static void print_entry_ctrls() {
 698     PrintDebug("VMCS_ENTRY_CTRLS\n");
 699
 700     print_vmcs_field(VMCS_ENTRY_CTRLS);
 701
 702     print_vmcs_field(VMCS_ENTRY_MSR_LOAD_CNT);
 703     print_vmcs_field(VMCS_ENTRY_MSR_LOAD_ADDR);
 704 #ifdef __V3_32BIT__
 705     print_vmcs_field(VMCS_ENTRY_MSR_LOAD_ADDR_HIGH);
 706 #endif
 707
 708     print_vmcs_field(VMCS_ENTRY_INT_INFO);
 709     print_vmcs_field(VMCS_ENTRY_EXCP_ERR);
 710     print_vmcs_field(VMCS_ENTRY_INSTR_LEN);
 711
 712
 713 }
 714
 715
 716 static void print_exit_info() {
 717     PrintDebug("VMCS_EXIT_INFO\n");
 718
 719     print_vmcs_field(VMCS_EXIT_REASON);
 720     print_vmcs_field(VMCS_EXIT_QUAL);
 721
 722     print_vmcs_field(VMCS_EXIT_INT_INFO);
 723     print_vmcs_field(VMCS_EXIT_INT_ERR);
 724
 725     print_vmcs_field(VMCS_IDT_VECTOR_INFO);
 726     print_vmcs_field(VMCS_IDT_VECTOR_ERR);
 727
 728     print_vmcs_field(VMCS_EXIT_INSTR_LEN);
 729
 730     print_vmcs_field(VMCS_GUEST_LINEAR_ADDR);
 731     print_vmcs_field(VMCS_EXIT_INSTR_INFO);
 732
 733     print_vmcs_field(VMCS_IO_RCX);
 734     print_vmcs_field(VMCS_IO_RSI);
 735     print_vmcs_field(VMCS_IO_RDI);
 736     print_vmcs_field(VMCS_IO_RIP);
 737
 738
 739     print_vmcs_field(VMCS_INSTR_ERR);
 740 }
 741
 742 void v3_print_vmcs() {
 743
 744     print_vmcs_field(VMCS_LINK_PTR);
 745 #ifdef __V3_32BIT__
 746     print_vmcs_field(VMCS_LINK_PTR_HIGH);
 747 #endif
 748
 749     print_guest_state();
 750     print_host_state();
 751
 752     print_exec_ctrls();
 753     print_exit_ctrls();
 754     print_entry_ctrls();
 755     print_exit_info();
 756
 757
 758
 759
 760 }
 761
 762
 763 /*
 764  * Returns the field length in bytes
 765  */
 766 int v3_vmcs_get_field_len(vmcs_field_t field) {
 767     switch(field)  {
 768         /* 16 bit Control Fields */
 769         case VMCS_GUEST_ES_SELECTOR:
 770         case VMCS_GUEST_CS_SELECTOR:
 771         case VMCS_GUEST_SS_SELECTOR:
 772         case VMCS_GUEST_DS_SELECTOR:
 773         case VMCS_GUEST_FS_SELECTOR:
 774         case VMCS_GUEST_GS_SELECTOR:
 775         case VMCS_GUEST_LDTR_SELECTOR:
 776         case VMCS_GUEST_TR_SELECTOR:
 777         case VMCS_HOST_ES_SELECTOR:
 778         case VMCS_HOST_CS_SELECTOR:
 779         case VMCS_HOST_SS_SELECTOR:
 780         case VMCS_HOST_DS_SELECTOR:
 781         case VMCS_HOST_FS_SELECTOR:
 782         case VMCS_HOST_GS_SELECTOR:
 783         case VMCS_HOST_TR_SELECTOR:
 784             return 2;
 785
 786         /* 32 bit Control Fields */
 787         case VMCS_PIN_CTRLS:
 788         case VMCS_PROC_CTRLS:
 789         case VMCS_SEC_PROC_CTRLS:
 790         case VMCS_EXCP_BITMAP:
 791         case VMCS_PG_FAULT_ERR_MASK:
 792         case VMCS_PG_FAULT_ERR_MATCH:
 793         case VMCS_CR3_TGT_CNT:
 794         case VMCS_EXIT_CTRLS:
 795         case VMCS_EXIT_MSR_STORE_CNT:
 796         case VMCS_EXIT_MSR_LOAD_CNT:
 797         case VMCS_ENTRY_CTRLS:
 798         case VMCS_ENTRY_MSR_LOAD_CNT:
 799         case VMCS_ENTRY_INT_INFO:
 800         case VMCS_ENTRY_EXCP_ERR:
 801         case VMCS_ENTRY_INSTR_LEN:
 802         case VMCS_TPR_THRESHOLD:
 803         case VMCS_INSTR_ERR:
 804         case VMCS_EXIT_REASON:
 805         case VMCS_EXIT_INT_INFO:
 806         case VMCS_EXIT_INT_ERR:
 807         case VMCS_IDT_VECTOR_INFO:
 808         case VMCS_IDT_VECTOR_ERR:
 809         case VMCS_EXIT_INSTR_LEN:
 810         case VMCS_EXIT_INSTR_INFO:
 811         case VMCS_GUEST_ES_LIMIT:
 812         case VMCS_GUEST_CS_LIMIT:
 813         case VMCS_GUEST_SS_LIMIT:
 814         case VMCS_GUEST_DS_LIMIT:
 815         case VMCS_GUEST_FS_LIMIT:
 816         case VMCS_GUEST_GS_LIMIT:
 817         case VMCS_GUEST_LDTR_LIMIT:
 818         case VMCS_GUEST_TR_LIMIT:
 819         case VMCS_GUEST_GDTR_LIMIT:
 820         case VMCS_GUEST_IDTR_LIMIT:
 821         case VMCS_GUEST_ES_ACCESS:
 822         case VMCS_GUEST_CS_ACCESS:
 823         case VMCS_GUEST_SS_ACCESS:
 824         case VMCS_GUEST_DS_ACCESS:
 825         case VMCS_GUEST_FS_ACCESS:
 826         case VMCS_GUEST_GS_ACCESS:
 827         case VMCS_GUEST_LDTR_ACCESS:
 828         case VMCS_GUEST_TR_ACCESS:
 829         case VMCS_GUEST_INT_STATE:
 830         case VMCS_GUEST_ACTIVITY_STATE:
 831         case VMCS_GUEST_SMBASE:
 832         case VMCS_GUEST_SYSENTER_CS:
 833         case VMCS_HOST_SYSENTER_CS:
 834             return 4;
 835
 836
 837         /* high bits of variable width fields
 838          * We can probably just delete most of these....
 839          */
 840         case VMCS_IO_BITMAP_A_ADDR_HIGH:
 841         case VMCS_IO_BITMAP_B_ADDR_HIGH:
 842         case VMCS_MSR_BITMAP_HIGH:
 843         case VMCS_EXIT_MSR_STORE_ADDR_HIGH:
 844         case VMCS_EXIT_MSR_LOAD_ADDR_HIGH:
 845         case VMCS_ENTRY_MSR_LOAD_ADDR_HIGH:
 846         case VMCS_EXEC_PTR_HIGH:
 847         case VMCS_TSC_OFFSET_HIGH:
 848         case VMCS_VAPIC_ADDR_HIGH:
 849         case VMCS_APIC_ACCESS_ADDR_HIGH:
 850         case VMCS_LINK_PTR_HIGH:
 851         case VMCS_GUEST_DBG_CTL_HIGH:
 852         case VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH:
 853         case VMCS_HOST_PERF_GLOBAL_CTRL_HIGH:
 854         case VMCS_GUEST_EFER_HIGH:
 855             return 4;
 856
 857             /* Natural Width Control Fields */
 858         case VMCS_IO_BITMAP_A_ADDR:
 859         case VMCS_IO_BITMAP_B_ADDR:
 860         case VMCS_MSR_BITMAP:
 861         case VMCS_EXIT_MSR_STORE_ADDR:
 862         case VMCS_EXIT_MSR_LOAD_ADDR:
 863         case VMCS_ENTRY_MSR_LOAD_ADDR:
 864         case VMCS_EXEC_PTR:
 865         case VMCS_TSC_OFFSET:
 866         case VMCS_VAPIC_ADDR:
 867         case VMCS_APIC_ACCESS_ADDR:
 868         case VMCS_LINK_PTR:
 869         case VMCS_GUEST_DBG_CTL:
 870         case VMCS_GUEST_PERF_GLOBAL_CTRL:
 871         case VMCS_HOST_PERF_GLOBAL_CTRL:
 872         case VMCS_CR0_MASK:
 873         case VMCS_CR4_MASK:
 874         case VMCS_CR0_READ_SHDW:
 875         case VMCS_CR4_READ_SHDW:
 876         case VMCS_CR3_TGT_VAL_0:
 877         case VMCS_CR3_TGT_VAL_1:
 878         case VMCS_CR3_TGT_VAL_2:
 879         case VMCS_CR3_TGT_VAL_3:
 880         case VMCS_EXIT_QUAL:
 881         case VMCS_IO_RCX:
 882         case VMCS_IO_RSI:
 883         case VMCS_IO_RDI:
 884         case VMCS_IO_RIP:
 885         case VMCS_GUEST_LINEAR_ADDR:
 886         case VMCS_GUEST_CR0:
 887         case VMCS_GUEST_CR3:
 888         case VMCS_GUEST_CR4:
 889         case VMCS_GUEST_ES_BASE:
 890         case VMCS_GUEST_CS_BASE:
 891         case VMCS_GUEST_SS_BASE:
 892         case VMCS_GUEST_DS_BASE:
 893         case VMCS_GUEST_FS_BASE:
 894         case VMCS_GUEST_GS_BASE:
 895         case VMCS_GUEST_LDTR_BASE:
 896         case VMCS_GUEST_TR_BASE:
 897         case VMCS_GUEST_GDTR_BASE:
 898         case VMCS_GUEST_IDTR_BASE:
 899         case VMCS_GUEST_DR7:
 900         case VMCS_GUEST_RSP:
 901         case VMCS_GUEST_RIP:
 902         case VMCS_GUEST_RFLAGS:
 903         case VMCS_GUEST_PENDING_DBG_EXCP:
 904         case VMCS_GUEST_SYSENTER_ESP:
 905         case VMCS_GUEST_SYSENTER_EIP:
 906         case VMCS_HOST_CR0:
 907         case VMCS_HOST_CR3:
 908         case VMCS_HOST_CR4:
 909         case VMCS_HOST_FS_BASE:
 910         case VMCS_HOST_GS_BASE:
 911         case VMCS_HOST_TR_BASE:
 912         case VMCS_HOST_GDTR_BASE:
 913         case VMCS_HOST_IDTR_BASE:
 914         case VMCS_HOST_SYSENTER_ESP:
 915         case VMCS_HOST_SYSENTER_EIP:
 916         case VMCS_HOST_RSP:
 917         case VMCS_HOST_RIP:
 918         case VMCS_GUEST_EFER:
 919             return sizeof(addr_t);
 920
 921         default:
 922             PrintError("Invalid VMCS field: 0x%x\n", field);
 923             return -1;
 924     }
 925 }
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938 static const char VMCS_GUEST_ES_SELECTOR_STR[] = "GUEST_ES_SELECTOR";
 939 static const char VMCS_GUEST_CS_SELECTOR_STR[] = "GUEST_CS_SELECTOR";
 940 static const char VMCS_GUEST_SS_SELECTOR_STR[] = "GUEST_SS_SELECTOR";
 941 static const char VMCS_GUEST_DS_SELECTOR_STR[] = "GUEST_DS_SELECTOR";
 942 static const char VMCS_GUEST_FS_SELECTOR_STR[] = "GUEST_FS_SELECTOR";
 943 static const char VMCS_GUEST_GS_SELECTOR_STR[] = "GUEST_GS_SELECTOR";
 944 static const char VMCS_GUEST_LDTR_SELECTOR_STR[] = "GUEST_LDTR_SELECTOR";
 945 static const char VMCS_GUEST_TR_SELECTOR_STR[] = "GUEST_TR_SELECTOR";
 946 static const char VMCS_HOST_ES_SELECTOR_STR[] = "HOST_ES_SELECTOR";
 947 static const char VMCS_HOST_CS_SELECTOR_STR[] = "HOST_CS_SELECTOR";
 948 static const char VMCS_HOST_SS_SELECTOR_STR[] = "HOST_SS_SELECTOR";
 949 static const char VMCS_HOST_DS_SELECTOR_STR[] = "HOST_DS_SELECTOR";
 950 static const char VMCS_HOST_FS_SELECTOR_STR[] = "HOST_FS_SELECTOR";
 951 static const char VMCS_HOST_GS_SELECTOR_STR[] = "HOST_GS_SELECTOR";
 952 static const char VMCS_HOST_TR_SELECTOR_STR[] = "HOST_TR_SELECTOR";
 953 static const char VMCS_IO_BITMAP_A_ADDR_STR[] = "IO_BITMAP_A_ADDR";
 954 static const char VMCS_IO_BITMAP_A_ADDR_HIGH_STR[] = "IO_BITMAP_A_ADDR_HIGH";
 955 static const char VMCS_IO_BITMAP_B_ADDR_STR[] = "IO_BITMAP_B_ADDR";
 956 static const char VMCS_IO_BITMAP_B_ADDR_HIGH_STR[] = "IO_BITMAP_B_ADDR_HIGH";
 957 static const char VMCS_MSR_BITMAP_STR[] = "MSR_BITMAPS";
 958 static const char VMCS_MSR_BITMAP_HIGH_STR[] = "MSR_BITMAPS_HIGH";
 959 static const char VMCS_EXIT_MSR_STORE_ADDR_STR[] = "EXIT_MSR_STORE_ADDR";
 960 static const char VMCS_EXIT_MSR_STORE_ADDR_HIGH_STR[] = "EXIT_MSR_STORE_ADDR_HIGH";
 961 static const char VMCS_EXIT_MSR_LOAD_ADDR_STR[] = "EXIT_MSR_LOAD_ADDR";
 962 static const char VMCS_EXIT_MSR_LOAD_ADDR_HIGH_STR[] = "EXIT_MSR_LOAD_ADDR_HIGH";
 963 static const char VMCS_ENTRY_MSR_LOAD_ADDR_STR[] = "ENTRY_MSR_LOAD_ADDR";
 964 static const char VMCS_ENTRY_MSR_LOAD_ADDR_HIGH_STR[] = "ENTRY_MSR_LOAD_ADDR_HIGH";
 965 static const char VMCS_EXEC_PTR_STR[] = "VMCS_EXEC_PTR";
 966 static const char VMCS_EXEC_PTR_HIGH_STR[] = "VMCS_EXEC_PTR_HIGH";
 967 static const char VMCS_TSC_OFFSET_STR[] = "TSC_OFFSET";
 968 static const char VMCS_TSC_OFFSET_HIGH_STR[] = "TSC_OFFSET_HIGH";
 969 static const char VMCS_VAPIC_ADDR_STR[] = "VAPIC_PAGE_ADDR";
 970 static const char VMCS_VAPIC_ADDR_HIGH_STR[] = "VAPIC_PAGE_ADDR_HIGH";
 971 static const char VMCS_APIC_ACCESS_ADDR_STR[] = "APIC_ACCESS_ADDR";
 972 static const char VMCS_APIC_ACCESS_ADDR_HIGH_STR[] = "APIC_ACCESS_ADDR_HIGH";
 973 static const char VMCS_LINK_PTR_STR[] = "VMCS_LINK_PTR";
 974 static const char VMCS_LINK_PTR_HIGH_STR[] = "VMCS_LINK_PTR_HIGH";
 975 static const char VMCS_GUEST_DBG_CTL_STR[] = "GUEST_DEBUG_CTL";
 976 static const char VMCS_GUEST_DBG_CTL_HIGH_STR[] = "GUEST_DEBUG_CTL_HIGH";
 977 static const char VMCS_GUEST_PERF_GLOBAL_CTRL_STR[] = "GUEST_PERF_GLOBAL_CTRL";
 978 static const char VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH_STR[] = "GUEST_PERF_GLOBAL_CTRL_HIGH";
 979 static const char VMCS_HOST_PERF_GLOBAL_CTRL_STR[] = "HOST_PERF_GLOBAL_CTRL";
 980 static const char VMCS_HOST_PERF_GLOBAL_CTRL_HIGH_STR[] = "HOST_PERF_GLOBAL_CTRL_HIGH";
 981 static const char VMCS_PIN_CTRLS_STR[] = "PIN_VM_EXEC_CTRLS";
 982 static const char VMCS_PROC_CTRLS_STR[] = "PROC_VM_EXEC_CTRLS";
 983 static const char VMCS_EXCP_BITMAP_STR[] = "EXCEPTION_BITMAP";
 984 static const char VMCS_PG_FAULT_ERR_MASK_STR[] = "PAGE_FAULT_ERROR_MASK";
 985 static const char VMCS_PG_FAULT_ERR_MATCH_STR[] = "PAGE_FAULT_ERROR_MATCH";
 986 static const char VMCS_CR3_TGT_CNT_STR[] = "CR3_TARGET_COUNT";
 987 static const char VMCS_EXIT_CTRLS_STR[] = "VM_EXIT_CTRLS";
 988 static const char VMCS_EXIT_MSR_STORE_CNT_STR[] = "VM_EXIT_MSR_STORE_COUNT";
 989 static const char VMCS_EXIT_MSR_LOAD_CNT_STR[] = "VM_EXIT_MSR_LOAD_COUNT";
 990 static const char VMCS_ENTRY_CTRLS_STR[] = "VM_ENTRY_CTRLS";
 991 static const char VMCS_ENTRY_MSR_LOAD_CNT_STR[] = "VM_ENTRY_MSR_LOAD_COUNT";
 992 static const char VMCS_ENTRY_INT_INFO_STR[] = "VM_ENTRY_INT_INFO_FIELD";
 993 static const char VMCS_ENTRY_EXCP_ERR_STR[] = "VM_ENTRY_EXCEPTION_ERROR";
 994 static const char VMCS_ENTRY_INSTR_LEN_STR[] = "VM_ENTRY_INSTR_LENGTH";
 995 static const char VMCS_TPR_THRESHOLD_STR[] = "TPR_THRESHOLD";
 996 static const char VMCS_SEC_PROC_CTRLS_STR[] = "VMCS_SEC_PROC_CTRLS";
 997 static const char VMCS_INSTR_ERR_STR[] = "VM_INSTR_ERROR";
 998 static const char VMCS_EXIT_REASON_STR[] = "EXIT_REASON";
 999 static const char VMCS_EXIT_INT_INFO_STR[] = "VM_EXIT_INT_INFO";
1000 static const char VMCS_EXIT_INT_ERR_STR[] = "VM_EXIT_INT_ERROR";
1001 static const char VMCS_IDT_VECTOR_INFO_STR[] = "IDT_VECTOR_INFO";
1002 static const char VMCS_IDT_VECTOR_ERR_STR[] = "IDT_VECTOR_ERROR";
1003 static const char VMCS_EXIT_INSTR_LEN_STR[] = "VM_EXIT_INSTR_LENGTH";
1004 static const char VMCS_EXIT_INSTR_INFO_STR[] = "VMX_INSTR_INFO";
1005 static const char VMCS_GUEST_ES_LIMIT_STR[] = "GUEST_ES_LIMIT";
1006 static const char VMCS_GUEST_CS_LIMIT_STR[] = "GUEST_CS_LIMIT";
1007 static const char VMCS_GUEST_SS_LIMIT_STR[] = "GUEST_SS_LIMIT";
1008 static const char VMCS_GUEST_DS_LIMIT_STR[] = "GUEST_DS_LIMIT";
1009 static const char VMCS_GUEST_FS_LIMIT_STR[] = "GUEST_FS_LIMIT";
1010 static const char VMCS_GUEST_GS_LIMIT_STR[] = "GUEST_GS_LIMIT";
1011 static const char VMCS_GUEST_LDTR_LIMIT_STR[] = "GUEST_LDTR_LIMIT";
1012 static const char VMCS_GUEST_TR_LIMIT_STR[] = "GUEST_TR_LIMIT";
1013 static const char VMCS_GUEST_GDTR_LIMIT_STR[] = "GUEST_GDTR_LIMIT";
1014 static const char VMCS_GUEST_IDTR_LIMIT_STR[] = "GUEST_IDTR_LIMIT";
1015 static const char VMCS_GUEST_ES_ACCESS_STR[] = "GUEST_ES_ACCESS";
1016 static const char VMCS_GUEST_CS_ACCESS_STR[] = "GUEST_CS_ACCESS";
1017 static const char VMCS_GUEST_SS_ACCESS_STR[] = "GUEST_SS_ACCESS";
1018 static const char VMCS_GUEST_DS_ACCESS_STR[] = "GUEST_DS_ACCESS";
1019 static const char VMCS_GUEST_FS_ACCESS_STR[] = "GUEST_FS_ACCESS";
1020 static const char VMCS_GUEST_GS_ACCESS_STR[] = "GUEST_GS_ACCESS";
1021 static const char VMCS_GUEST_LDTR_ACCESS_STR[] = "GUEST_LDTR_ACCESS";
1022 static const char VMCS_GUEST_TR_ACCESS_STR[] = "GUEST_TR_ACCESS";
1023 static const char VMCS_GUEST_INT_STATE_STR[] = "GUEST_INT_STATE";
1024 static const char VMCS_GUEST_ACTIVITY_STATE_STR[] = "GUEST_ACTIVITY_STATE";
1025 static const char VMCS_GUEST_SMBASE_STR[] = "GUEST_SMBASE";
1026 static const char VMCS_GUEST_SYSENTER_CS_STR[] = "GUEST_SYSENTER_CS";
1027 static const char VMCS_HOST_SYSENTER_CS_STR[] = "HOST_SYSENTER_CS";
1028 static const char VMCS_CR0_MASK_STR[] = "CR0_GUEST_HOST_MASK";
1029 static const char VMCS_CR4_MASK_STR[] = "CR4_GUEST_HOST_MASK";
1030 static const char VMCS_CR0_READ_SHDW_STR[] = "CR0_READ_SHADOW";
1031 static const char VMCS_CR4_READ_SHDW_STR[] = "CR4_READ_SHADOW";
1032 static const char VMCS_CR3_TGT_VAL_0_STR[] = "CR3_TARGET_VALUE_0";
1033 static const char VMCS_CR3_TGT_VAL_1_STR[] = "CR3_TARGET_VALUE_1";
1034 static const char VMCS_CR3_TGT_VAL_2_STR[] = "CR3_TARGET_VALUE_2";
1035 static const char VMCS_CR3_TGT_VAL_3_STR[] = "CR3_TARGET_VALUE_3";
1036 static const char VMCS_EXIT_QUAL_STR[] = "EXIT_QUALIFICATION";
1037 static const char VMCS_IO_RCX_STR[] = "IO_RCX";
1038 static const char VMCS_IO_RSI_STR[] = "IO_RSI";
1039 static const char VMCS_IO_RDI_STR[] = "IO_RDI";
1040 static const char VMCS_IO_RIP_STR[] = "IO_RIP";
1041 static const char VMCS_GUEST_LINEAR_ADDR_STR[] = "GUEST_LINEAR_ADDR";
1042 static const char VMCS_GUEST_CR0_STR[] = "GUEST_CR0";
1043 static const char VMCS_GUEST_CR3_STR[] = "GUEST_CR3";
1044 static const char VMCS_GUEST_CR4_STR[] = "GUEST_CR4";
1045 static const char VMCS_GUEST_ES_BASE_STR[] = "GUEST_ES_BASE";
1046 static const char VMCS_GUEST_CS_BASE_STR[] = "GUEST_CS_BASE";
1047 static const char VMCS_GUEST_SS_BASE_STR[] = "GUEST_SS_BASE";
1048 static const char VMCS_GUEST_DS_BASE_STR[] = "GUEST_DS_BASE";
1049 static const char VMCS_GUEST_FS_BASE_STR[] = "GUEST_FS_BASE";
1050 static const char VMCS_GUEST_GS_BASE_STR[] = "GUEST_GS_BASE";
1051 static const char VMCS_GUEST_LDTR_BASE_STR[] = "GUEST_LDTR_BASE";
1052 static const char VMCS_GUEST_TR_BASE_STR[] = "GUEST_TR_BASE";
1053 static const char VMCS_GUEST_GDTR_BASE_STR[] = "GUEST_GDTR_BASE";
1054 static const char VMCS_GUEST_IDTR_BASE_STR[] = "GUEST_IDTR_BASE";
1055 static const char VMCS_GUEST_DR7_STR[] = "GUEST_DR7";
1056 static const char VMCS_GUEST_RSP_STR[] = "GUEST_RSP";
1057 static const char VMCS_GUEST_RIP_STR[] = "GUEST_RIP";
1058 static const char VMCS_GUEST_RFLAGS_STR[] = "GUEST_RFLAGS";
1059 static const char VMCS_GUEST_PENDING_DBG_EXCP_STR[] = "GUEST_PENDING_DEBUG_EXCS";
1060 static const char VMCS_GUEST_SYSENTER_ESP_STR[] = "GUEST_SYSENTER_ESP";
1061 static const char VMCS_GUEST_SYSENTER_EIP_STR[] = "GUEST_SYSENTER_EIP";
1062 static const char VMCS_HOST_CR0_STR[] = "HOST_CR0";
1063 static const char VMCS_HOST_CR3_STR[] = "HOST_CR3";
1064 static const char VMCS_HOST_CR4_STR[] = "HOST_CR4";
1065 static const char VMCS_HOST_FS_BASE_STR[] = "HOST_FS_BASE";
1066 static const char VMCS_HOST_GS_BASE_STR[] = "HOST_GS_BASE";
1067 static const char VMCS_HOST_TR_BASE_STR[] = "HOST_TR_BASE";
1068 static const char VMCS_HOST_GDTR_BASE_STR[] = "HOST_GDTR_BASE";
1069 static const char VMCS_HOST_IDTR_BASE_STR[] = "HOST_IDTR_BASE";
1070 static const char VMCS_HOST_SYSENTER_ESP_STR[] = "HOST_SYSENTER_ESP";
1071 static const char VMCS_HOST_SYSENTER_EIP_STR[] = "HOST_SYSENTER_EIP";
1072 static const char VMCS_HOST_RSP_STR[] = "HOST_RSP";
1073 static const char VMCS_HOST_RIP_STR[] = "HOST_RIP";
1074
1075
1076
1077 const char * v3_vmcs_field_to_str(vmcs_field_t field) {
1078     switch (field) {
1079         case VMCS_GUEST_ES_SELECTOR:
1080             return VMCS_GUEST_ES_SELECTOR_STR;
1081         case VMCS_GUEST_CS_SELECTOR:
1082             return VMCS_GUEST_CS_SELECTOR_STR;
1083         case VMCS_GUEST_SS_SELECTOR:
1084             return VMCS_GUEST_SS_SELECTOR_STR;
1085         case VMCS_GUEST_DS_SELECTOR:
1086             return VMCS_GUEST_DS_SELECTOR_STR;
1087         case VMCS_GUEST_FS_SELECTOR:
1088             return VMCS_GUEST_FS_SELECTOR_STR;
1089         case VMCS_GUEST_GS_SELECTOR:
1090             return VMCS_GUEST_GS_SELECTOR_STR;
1091         case VMCS_GUEST_LDTR_SELECTOR:
1092             return VMCS_GUEST_LDTR_SELECTOR_STR;
1093         case VMCS_GUEST_TR_SELECTOR:
1094             return VMCS_GUEST_TR_SELECTOR_STR;
1095         case VMCS_HOST_ES_SELECTOR:
1096             return VMCS_HOST_ES_SELECTOR_STR;
1097         case VMCS_HOST_CS_SELECTOR:
1098             return VMCS_HOST_CS_SELECTOR_STR;
1099         case VMCS_HOST_SS_SELECTOR:
1100             return VMCS_HOST_SS_SELECTOR_STR;
1101         case VMCS_HOST_DS_SELECTOR:
1102             return VMCS_HOST_DS_SELECTOR_STR;
1103         case VMCS_HOST_FS_SELECTOR:
1104             return VMCS_HOST_FS_SELECTOR_STR;
1105         case VMCS_HOST_GS_SELECTOR:
1106             return VMCS_HOST_GS_SELECTOR_STR;
1107         case VMCS_HOST_TR_SELECTOR:
1108             return VMCS_HOST_TR_SELECTOR_STR;
1109         case VMCS_IO_BITMAP_A_ADDR:
1110             return VMCS_IO_BITMAP_A_ADDR_STR;
1111         case VMCS_IO_BITMAP_A_ADDR_HIGH:
1112             return VMCS_IO_BITMAP_A_ADDR_HIGH_STR;
1113         case VMCS_IO_BITMAP_B_ADDR:
1114             return VMCS_IO_BITMAP_B_ADDR_STR;
1115         case VMCS_IO_BITMAP_B_ADDR_HIGH:
1116             return VMCS_IO_BITMAP_B_ADDR_HIGH_STR;
1117         case VMCS_MSR_BITMAP:
1118             return VMCS_MSR_BITMAP_STR;
1119         case VMCS_MSR_BITMAP_HIGH:
1120             return VMCS_MSR_BITMAP_HIGH_STR;
1121         case VMCS_EXIT_MSR_STORE_ADDR:
1122             return VMCS_EXIT_MSR_STORE_ADDR_STR;
1123         case VMCS_EXIT_MSR_STORE_ADDR_HIGH:
1124             return VMCS_EXIT_MSR_STORE_ADDR_HIGH_STR;
1125         case VMCS_EXIT_MSR_LOAD_ADDR:
1126             return VMCS_EXIT_MSR_LOAD_ADDR_STR;
1127         case VMCS_EXIT_MSR_LOAD_ADDR_HIGH:
1128             return VMCS_EXIT_MSR_LOAD_ADDR_HIGH_STR;
1129         case VMCS_ENTRY_MSR_LOAD_ADDR:
1130             return VMCS_ENTRY_MSR_LOAD_ADDR_STR;
1131         case VMCS_ENTRY_MSR_LOAD_ADDR_HIGH:
1132             return VMCS_ENTRY_MSR_LOAD_ADDR_HIGH_STR;
1133         case VMCS_EXEC_PTR:
1134             return VMCS_EXEC_PTR_STR;
1135         case VMCS_EXEC_PTR_HIGH:
1136             return VMCS_EXEC_PTR_HIGH_STR;
1137         case VMCS_TSC_OFFSET:
1138             return VMCS_TSC_OFFSET_STR;
1139         case VMCS_TSC_OFFSET_HIGH:
1140             return VMCS_TSC_OFFSET_HIGH_STR;
1141         case VMCS_VAPIC_ADDR:
1142             return VMCS_VAPIC_ADDR_STR;
1143         case VMCS_VAPIC_ADDR_HIGH:
1144             return VMCS_VAPIC_ADDR_HIGH_STR;
1145         case VMCS_APIC_ACCESS_ADDR:
1146             return VMCS_APIC_ACCESS_ADDR_STR;
1147         case VMCS_APIC_ACCESS_ADDR_HIGH:
1148             return VMCS_APIC_ACCESS_ADDR_HIGH_STR;
1149         case VMCS_LINK_PTR:
1150             return VMCS_LINK_PTR_STR;
1151         case VMCS_LINK_PTR_HIGH:
1152             return VMCS_LINK_PTR_HIGH_STR;
1153         case VMCS_GUEST_DBG_CTL:
1154             return VMCS_GUEST_DBG_CTL_STR;
1155         case VMCS_GUEST_DBG_CTL_HIGH:
1156             return VMCS_GUEST_DBG_CTL_HIGH_STR;
1157         case VMCS_GUEST_PERF_GLOBAL_CTRL:
1158             return VMCS_GUEST_PERF_GLOBAL_CTRL_STR;
1159         case VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH:
1160             return VMCS_GUEST_PERF_GLOBAL_CTRL_HIGH_STR;
1161         case VMCS_HOST_PERF_GLOBAL_CTRL:
1162             return VMCS_HOST_PERF_GLOBAL_CTRL_STR;
1163         case VMCS_HOST_PERF_GLOBAL_CTRL_HIGH:
1164             return VMCS_HOST_PERF_GLOBAL_CTRL_HIGH_STR;
1165         case VMCS_PIN_CTRLS:
1166             return VMCS_PIN_CTRLS_STR;
1167         case VMCS_PROC_CTRLS:
1168             return VMCS_PROC_CTRLS_STR;
1169         case VMCS_EXCP_BITMAP:
1170             return VMCS_EXCP_BITMAP_STR;
1171         case VMCS_PG_FAULT_ERR_MASK:
1172             return VMCS_PG_FAULT_ERR_MASK_STR;
1173         case VMCS_PG_FAULT_ERR_MATCH:
1174             return VMCS_PG_FAULT_ERR_MATCH_STR;
1175         case VMCS_CR3_TGT_CNT:
1176             return VMCS_CR3_TGT_CNT_STR;
1177         case VMCS_EXIT_CTRLS:
1178             return VMCS_EXIT_CTRLS_STR;
1179         case VMCS_EXIT_MSR_STORE_CNT:
1180             return VMCS_EXIT_MSR_STORE_CNT_STR;
1181         case VMCS_EXIT_MSR_LOAD_CNT:
1182             return VMCS_EXIT_MSR_LOAD_CNT_STR;
1183         case VMCS_ENTRY_CTRLS:
1184             return VMCS_ENTRY_CTRLS_STR;
1185         case VMCS_ENTRY_MSR_LOAD_CNT:
1186             return VMCS_ENTRY_MSR_LOAD_CNT_STR;
1187         case VMCS_ENTRY_INT_INFO:
1188             return VMCS_ENTRY_INT_INFO_STR;
1189         case VMCS_ENTRY_EXCP_ERR:
1190             return VMCS_ENTRY_EXCP_ERR_STR;
1191         case VMCS_ENTRY_INSTR_LEN:
1192             return VMCS_ENTRY_INSTR_LEN_STR;
1193         case VMCS_TPR_THRESHOLD:
1194             return VMCS_TPR_THRESHOLD_STR;
1195         case VMCS_SEC_PROC_CTRLS:
1196             return VMCS_SEC_PROC_CTRLS_STR;
1197         case VMCS_INSTR_ERR:
1198             return VMCS_INSTR_ERR_STR;
1199         case VMCS_EXIT_REASON:
1200             return VMCS_EXIT_REASON_STR;
1201         case VMCS_EXIT_INT_INFO:
1202             return VMCS_EXIT_INT_INFO_STR;
1203         case VMCS_EXIT_INT_ERR:
1204             return VMCS_EXIT_INT_ERR_STR;
1205         case VMCS_IDT_VECTOR_INFO:
1206             return VMCS_IDT_VECTOR_INFO_STR;
1207         case VMCS_IDT_VECTOR_ERR:
1208             return VMCS_IDT_VECTOR_ERR_STR;
1209         case VMCS_EXIT_INSTR_LEN:
1210             return VMCS_EXIT_INSTR_LEN_STR;
1211         case VMCS_EXIT_INSTR_INFO:
1212             return VMCS_EXIT_INSTR_INFO_STR;
1213         case VMCS_GUEST_ES_LIMIT:
1214             return VMCS_GUEST_ES_LIMIT_STR;
1215         case VMCS_GUEST_CS_LIMIT:
1216             return VMCS_GUEST_CS_LIMIT_STR;
1217         case VMCS_GUEST_SS_LIMIT:
1218             return VMCS_GUEST_SS_LIMIT_STR;
1219         case VMCS_GUEST_DS_LIMIT:
1220             return VMCS_GUEST_DS_LIMIT_STR;
1221         case VMCS_GUEST_FS_LIMIT:
1222             return VMCS_GUEST_FS_LIMIT_STR;
1223         case VMCS_GUEST_GS_LIMIT:
1224             return VMCS_GUEST_GS_LIMIT_STR;
1225         case VMCS_GUEST_LDTR_LIMIT:
1226             return VMCS_GUEST_LDTR_LIMIT_STR;
1227         case VMCS_GUEST_TR_LIMIT:
1228             return VMCS_GUEST_TR_LIMIT_STR;
1229         case VMCS_GUEST_GDTR_LIMIT:
1230             return VMCS_GUEST_GDTR_LIMIT_STR;
1231         case VMCS_GUEST_IDTR_LIMIT:
1232             return VMCS_GUEST_IDTR_LIMIT_STR;
1233         case VMCS_GUEST_ES_ACCESS:
1234             return VMCS_GUEST_ES_ACCESS_STR;
1235         case VMCS_GUEST_CS_ACCESS:
1236             return VMCS_GUEST_CS_ACCESS_STR;
1237         case VMCS_GUEST_SS_ACCESS:
1238             return VMCS_GUEST_SS_ACCESS_STR;
1239         case VMCS_GUEST_DS_ACCESS:
1240             return VMCS_GUEST_DS_ACCESS_STR;
1241         case VMCS_GUEST_FS_ACCESS:
1242             return VMCS_GUEST_FS_ACCESS_STR;
1243         case VMCS_GUEST_GS_ACCESS:
1244             return VMCS_GUEST_GS_ACCESS_STR;
1245         case VMCS_GUEST_LDTR_ACCESS:
1246             return VMCS_GUEST_LDTR_ACCESS_STR;
1247         case VMCS_GUEST_TR_ACCESS:
1248             return VMCS_GUEST_TR_ACCESS_STR;
1249         case VMCS_GUEST_INT_STATE:
1250             return VMCS_GUEST_INT_STATE_STR;
1251         case VMCS_GUEST_ACTIVITY_STATE:
1252             return VMCS_GUEST_ACTIVITY_STATE_STR;
1253         case VMCS_GUEST_SMBASE:
1254             return VMCS_GUEST_SMBASE_STR;
1255         case VMCS_GUEST_SYSENTER_CS:
1256             return VMCS_GUEST_SYSENTER_CS_STR;
1257         case VMCS_HOST_SYSENTER_CS:
1258             return VMCS_HOST_SYSENTER_CS_STR;
1259         case VMCS_CR0_MASK:
1260             return VMCS_CR0_MASK_STR;
1261         case VMCS_CR4_MASK:
1262             return VMCS_CR4_MASK_STR;
1263         case VMCS_CR0_READ_SHDW:
1264             return VMCS_CR0_READ_SHDW_STR;
1265         case VMCS_CR4_READ_SHDW:
1266             return VMCS_CR4_READ_SHDW_STR;
1267         case VMCS_CR3_TGT_VAL_0:
1268             return VMCS_CR3_TGT_VAL_0_STR;
1269         case VMCS_CR3_TGT_VAL_1:
1270             return VMCS_CR3_TGT_VAL_1_STR;
1271         case VMCS_CR3_TGT_VAL_2:
1272             return VMCS_CR3_TGT_VAL_2_STR;
1273         case VMCS_CR3_TGT_VAL_3:
1274             return VMCS_CR3_TGT_VAL_3_STR;
1275         case VMCS_EXIT_QUAL:
1276             return VMCS_EXIT_QUAL_STR;
1277         case VMCS_IO_RCX:
1278             return VMCS_IO_RCX_STR;
1279         case VMCS_IO_RSI:
1280             return VMCS_IO_RSI_STR;
1281         case VMCS_IO_RDI:
1282             return VMCS_IO_RDI_STR;
1283         case VMCS_IO_RIP:
1284             return VMCS_IO_RIP_STR;
1285         case VMCS_GUEST_LINEAR_ADDR:
1286             return VMCS_GUEST_LINEAR_ADDR_STR;
1287         case VMCS_GUEST_CR0:
1288             return VMCS_GUEST_CR0_STR;
1289         case VMCS_GUEST_CR3:
1290             return VMCS_GUEST_CR3_STR;
1291         case VMCS_GUEST_CR4:
1292             return VMCS_GUEST_CR4_STR;
1293         case VMCS_GUEST_ES_BASE:
1294             return VMCS_GUEST_ES_BASE_STR;
1295         case VMCS_GUEST_CS_BASE:
1296             return VMCS_GUEST_CS_BASE_STR;
1297         case VMCS_GUEST_SS_BASE:
1298             return VMCS_GUEST_SS_BASE_STR;
1299         case VMCS_GUEST_DS_BASE:
1300             return VMCS_GUEST_DS_BASE_STR;
1301         case VMCS_GUEST_FS_BASE:
1302             return VMCS_GUEST_FS_BASE_STR;
1303         case VMCS_GUEST_GS_BASE:
1304             return VMCS_GUEST_GS_BASE_STR;
1305         case VMCS_GUEST_LDTR_BASE:
1306             return VMCS_GUEST_LDTR_BASE_STR;
1307         case VMCS_GUEST_TR_BASE:
1308             return VMCS_GUEST_TR_BASE_STR;
1309         case VMCS_GUEST_GDTR_BASE:
1310             return VMCS_GUEST_GDTR_BASE_STR;
1311         case VMCS_GUEST_IDTR_BASE:
1312             return VMCS_GUEST_IDTR_BASE_STR;
1313         case VMCS_GUEST_DR7:
1314             return VMCS_GUEST_DR7_STR;
1315         case VMCS_GUEST_RSP:
1316             return VMCS_GUEST_RSP_STR;
1317         case VMCS_GUEST_RIP:
1318             return VMCS_GUEST_RIP_STR;
1319         case VMCS_GUEST_RFLAGS:
1320             return VMCS_GUEST_RFLAGS_STR;
1321         case VMCS_GUEST_PENDING_DBG_EXCP:
1322             return VMCS_GUEST_PENDING_DBG_EXCP_STR;
1323         case VMCS_GUEST_SYSENTER_ESP:
1324             return VMCS_GUEST_SYSENTER_ESP_STR;
1325         case VMCS_GUEST_SYSENTER_EIP:
1326             return VMCS_GUEST_SYSENTER_EIP_STR;
1327         case VMCS_HOST_CR0:
1328             return VMCS_HOST_CR0_STR;
1329         case VMCS_HOST_CR3:
1330             return VMCS_HOST_CR3_STR;
1331         case VMCS_HOST_CR4:
1332             return VMCS_HOST_CR4_STR;
1333         case VMCS_HOST_FS_BASE:
1334             return VMCS_HOST_FS_BASE_STR;
1335         case VMCS_HOST_GS_BASE:
1336             return VMCS_HOST_GS_BASE_STR;
1337         case VMCS_HOST_TR_BASE:
1338             return VMCS_HOST_TR_BASE_STR;
1339         case VMCS_HOST_GDTR_BASE:
1340             return VMCS_HOST_GDTR_BASE_STR;
1341         case VMCS_HOST_IDTR_BASE:
1342             return VMCS_HOST_IDTR_BASE_STR;
1343         case VMCS_HOST_SYSENTER_ESP:
1344             return VMCS_HOST_SYSENTER_ESP_STR;
1345         case VMCS_HOST_SYSENTER_EIP:
1346             return VMCS_HOST_SYSENTER_EIP_STR;
1347         case VMCS_HOST_RSP:
1348             return VMCS_HOST_RSP_STR;
1349         case VMCS_HOST_RIP:
1350             return VMCS_HOST_RIP_STR;
1351         default:
1352             return NULL;
1353     }
1354 }
1355
1356
1357