1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 NetApp, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/types.h> 30 #ifndef WITHOUT_CAPSICUM 31 #include <sys/capsicum.h> 32 #endif 33 #include <sys/mman.h> 34 #ifdef BHYVE_SNAPSHOT 35 #include <sys/socket.h> 36 #include <sys/stat.h> 37 #endif 38 #include <sys/time.h> 39 #ifdef BHYVE_SNAPSHOT 40 #include <sys/un.h> 41 #endif 42 43 #include <machine/atomic.h> 44 45 #ifndef WITHOUT_CAPSICUM 46 #include <capsicum_helpers.h> 47 #endif 48 #include <stdio.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include <err.h> 52 #include <errno.h> 53 #ifdef BHYVE_SNAPSHOT 54 #include <fcntl.h> 55 #endif 56 #include <libgen.h> 57 #include <unistd.h> 58 #include <assert.h> 59 #include <pthread.h> 60 #include <pthread_np.h> 61 #include <sysexits.h> 62 #include <stdbool.h> 63 #include <stdint.h> 64 #ifdef BHYVE_SNAPSHOT 65 #include <ucl.h> 66 #include <unistd.h> 67 68 #include <libxo/xo.h> 69 #endif 70 71 #include <vmmapi.h> 72 73 #include "acpi.h" 74 #include "bhyverun.h" 75 #include "bootrom.h" 76 #include "config.h" 77 #include "debug.h" 78 #ifdef BHYVE_GDB 79 #include "gdb.h" 80 #endif 81 #include "mem.h" 82 #include "mevent.h" 83 #include "pci_emul.h" 84 #ifdef __amd64__ 85 #include "amd64/pci_lpc.h" 86 #endif 87 #include "qemu_fwcfg.h" 88 #ifdef BHYVE_SNAPSHOT 89 #include "snapshot.h" 90 #endif 91 #include "tpm_device.h" 92 #include "vmgenc.h" 93 #include "vmexit.h" 94 95 #define MB (1024UL * 1024) 96 #define GB (1024UL * MB) 97 98 int guest_ncpus; 99 uint16_t cpu_cores, cpu_sockets, cpu_threads; 100 101 int raw_stdio = 0; 102 103 #ifdef BHYVE_SNAPSHOT 104 char *restore_file; 105 #endif 106 107 static const int BSP = 0; 108 109 static cpuset_t cpumask; 110 111 static void vm_loop(struct vmctx *ctx, struct vcpu *vcpu); 112 113 static struct vcpu_info { 114 struct vmctx *ctx; 115 struct vcpu *vcpu; 116 int vcpuid; 117 } *vcpu_info; 118 119 static cpuset_t **vcpumap; 120 121 /* 122 * XXX This parser is known to have the following issues: 123 * 1. It accepts null key=value tokens ",," as setting "cpus" to an 124 * empty string. 125 * 126 * The acceptance of a null specification ('-c ""') is by design to match the 127 * manual page syntax specification, this results in a topology of 1 vCPU. 128 */ 129 int 130 bhyve_topology_parse(const char *opt) 131 { 132 char *cp, *str, *tofree; 133 134 if (*opt == '\0') { 135 set_config_value("sockets", "1"); 136 set_config_value("cores", "1"); 137 set_config_value("threads", "1"); 138 set_config_value("cpus", "1"); 139 return (0); 140 } 141 142 tofree = str = strdup(opt); 143 if (str == NULL) 144 errx(4, "Failed to allocate memory"); 145 146 while ((cp = strsep(&str, ",")) != NULL) { 147 if (strncmp(cp, "cpus=", strlen("cpus=")) == 0) 148 set_config_value("cpus", cp + strlen("cpus=")); 149 else if (strncmp(cp, "sockets=", strlen("sockets=")) == 0) 150 set_config_value("sockets", cp + strlen("sockets=")); 151 else if (strncmp(cp, "cores=", strlen("cores=")) == 0) 152 set_config_value("cores", cp + strlen("cores=")); 153 else if (strncmp(cp, "threads=", strlen("threads=")) == 0) 154 set_config_value("threads", cp + strlen("threads=")); 155 else if (strchr(cp, '=') != NULL) 156 goto out; 157 else 158 set_config_value("cpus", cp); 159 } 160 free(tofree); 161 return (0); 162 163 out: 164 free(tofree); 165 return (-1); 166 } 167 168 static int 169 parse_int_value(const char *key, const char *value, int minval, int maxval) 170 { 171 char *cp; 172 long lval; 173 174 errno = 0; 175 lval = strtol(value, &cp, 0); 176 if (errno != 0 || *cp != '\0' || cp == value || lval < minval || 177 lval > maxval) 178 errx(4, "Invalid value for %s: '%s'", key, value); 179 return (lval); 180 } 181 182 /* 183 * Set the sockets, cores, threads, and guest_cpus variables based on 184 * the configured topology. 185 * 186 * The limits of UINT16_MAX are due to the types passed to 187 * vm_set_topology(). vmm.ko may enforce tighter limits. 188 */ 189 static void 190 calc_topology(void) 191 { 192 const char *value; 193 bool explicit_cpus; 194 uint64_t ncpus; 195 196 value = get_config_value("cpus"); 197 if (value != NULL) { 198 guest_ncpus = parse_int_value("cpus", value, 1, UINT16_MAX); 199 explicit_cpus = true; 200 } else { 201 guest_ncpus = 1; 202 explicit_cpus = false; 203 } 204 value = get_config_value("cores"); 205 if (value != NULL) 206 cpu_cores = parse_int_value("cores", value, 1, UINT16_MAX); 207 else 208 cpu_cores = 1; 209 value = get_config_value("threads"); 210 if (value != NULL) 211 cpu_threads = parse_int_value("threads", value, 1, UINT16_MAX); 212 else 213 cpu_threads = 1; 214 value = get_config_value("sockets"); 215 if (value != NULL) 216 cpu_sockets = parse_int_value("sockets", value, 1, UINT16_MAX); 217 else 218 cpu_sockets = guest_ncpus; 219 220 /* 221 * Compute sockets * cores * threads avoiding overflow. The 222 * range check above insures these are 16 bit values. 223 */ 224 ncpus = (uint64_t)cpu_sockets * cpu_cores * cpu_threads; 225 if (ncpus > UINT16_MAX) 226 errx(4, "Computed number of vCPUs too high: %ju", 227 (uintmax_t)ncpus); 228 229 if (explicit_cpus) { 230 if (guest_ncpus != (int)ncpus) 231 errx(4, "Topology (%d sockets, %d cores, %d threads) " 232 "does not match %d vCPUs", 233 cpu_sockets, cpu_cores, cpu_threads, 234 guest_ncpus); 235 } else 236 guest_ncpus = ncpus; 237 } 238 239 int 240 bhyve_pincpu_parse(const char *opt) 241 { 242 const char *value; 243 char *newval; 244 char key[16]; 245 int vcpu, pcpu; 246 247 if (sscanf(opt, "%d:%d", &vcpu, &pcpu) != 2) { 248 fprintf(stderr, "invalid format: %s\n", opt); 249 return (-1); 250 } 251 252 if (vcpu < 0) { 253 fprintf(stderr, "invalid vcpu '%d'\n", vcpu); 254 return (-1); 255 } 256 257 if (pcpu < 0 || pcpu >= CPU_SETSIZE) { 258 fprintf(stderr, "hostcpu '%d' outside valid range from " 259 "0 to %d\n", pcpu, CPU_SETSIZE - 1); 260 return (-1); 261 } 262 263 snprintf(key, sizeof(key), "vcpu.%d.cpuset", vcpu); 264 value = get_config_value(key); 265 266 if (asprintf(&newval, "%s%s%d", value != NULL ? value : "", 267 value != NULL ? "," : "", pcpu) == -1) { 268 perror("failed to build new cpuset string"); 269 return (-1); 270 } 271 272 set_config_value(key, newval); 273 free(newval); 274 return (0); 275 } 276 277 static void 278 parse_cpuset(int vcpu, const char *list, cpuset_t *set) 279 { 280 char *cp, *token; 281 int pcpu, start; 282 283 CPU_ZERO(set); 284 start = -1; 285 token = __DECONST(char *, list); 286 for (;;) { 287 pcpu = strtoul(token, &cp, 0); 288 if (cp == token) 289 errx(4, "invalid cpuset for vcpu %d: '%s'", vcpu, list); 290 if (pcpu < 0 || pcpu >= CPU_SETSIZE) 291 errx(4, "hostcpu '%d' outside valid range from 0 to %d", 292 pcpu, CPU_SETSIZE - 1); 293 switch (*cp) { 294 case ',': 295 case '\0': 296 if (start >= 0) { 297 if (start > pcpu) 298 errx(4, "Invalid hostcpu range %d-%d", 299 start, pcpu); 300 while (start < pcpu) { 301 CPU_SET(start, set); 302 start++; 303 } 304 start = -1; 305 } 306 CPU_SET(pcpu, set); 307 break; 308 case '-': 309 if (start >= 0) 310 errx(4, "invalid cpuset for vcpu %d: '%s'", 311 vcpu, list); 312 start = pcpu; 313 break; 314 default: 315 errx(4, "invalid cpuset for vcpu %d: '%s'", vcpu, list); 316 } 317 if (*cp == '\0') 318 break; 319 token = cp + 1; 320 } 321 } 322 323 static void 324 build_vcpumaps(void) 325 { 326 char key[16]; 327 const char *value; 328 int vcpu; 329 330 vcpumap = calloc(guest_ncpus, sizeof(*vcpumap)); 331 for (vcpu = 0; vcpu < guest_ncpus; vcpu++) { 332 snprintf(key, sizeof(key), "vcpu.%d.cpuset", vcpu); 333 value = get_config_value(key); 334 if (value == NULL) 335 continue; 336 vcpumap[vcpu] = malloc(sizeof(cpuset_t)); 337 if (vcpumap[vcpu] == NULL) 338 err(4, "Failed to allocate cpuset for vcpu %d", vcpu); 339 parse_cpuset(vcpu, value, vcpumap[vcpu]); 340 } 341 } 342 343 void * 344 paddr_guest2host(struct vmctx *ctx, uintptr_t gaddr, size_t len) 345 { 346 347 return (vm_map_gpa(ctx, gaddr, len)); 348 } 349 350 #ifdef BHYVE_SNAPSHOT 351 uintptr_t 352 paddr_host2guest(struct vmctx *ctx, void *addr) 353 { 354 return (vm_rev_map_gpa(ctx, addr)); 355 } 356 #endif 357 358 int 359 fbsdrun_virtio_msix(void) 360 { 361 362 return (get_config_bool_default("virtio_msix", true)); 363 } 364 365 struct vcpu * 366 fbsdrun_vcpu(int vcpuid) 367 { 368 return (vcpu_info[vcpuid].vcpu); 369 } 370 371 static void * 372 fbsdrun_start_thread(void *param) 373 { 374 char tname[MAXCOMLEN + 1]; 375 struct vcpu_info *vi = param; 376 int error; 377 378 snprintf(tname, sizeof(tname), "vcpu %d", vi->vcpuid); 379 pthread_set_name_np(pthread_self(), tname); 380 381 if (vcpumap[vi->vcpuid] != NULL) { 382 error = pthread_setaffinity_np(pthread_self(), 383 sizeof(cpuset_t), vcpumap[vi->vcpuid]); 384 assert(error == 0); 385 } 386 387 #ifdef BHYVE_SNAPSHOT 388 checkpoint_cpu_add(vi->vcpuid); 389 #endif 390 #ifdef BHYVE_GDB 391 gdb_cpu_add(vi->vcpu); 392 #endif 393 394 vm_loop(vi->ctx, vi->vcpu); 395 396 /* not reached */ 397 exit(1); 398 return (NULL); 399 } 400 401 void 402 fbsdrun_addcpu(int vcpuid) 403 { 404 struct vcpu_info *vi; 405 pthread_t thr; 406 int error; 407 408 vi = &vcpu_info[vcpuid]; 409 410 error = vm_activate_cpu(vi->vcpu); 411 if (error != 0) 412 err(EX_OSERR, "could not activate CPU %d", vi->vcpuid); 413 414 CPU_SET_ATOMIC(vcpuid, &cpumask); 415 416 error = vm_suspend_cpu(vi->vcpu); 417 assert(error == 0); 418 419 error = pthread_create(&thr, NULL, fbsdrun_start_thread, vi); 420 assert(error == 0); 421 } 422 423 void 424 fbsdrun_deletecpu(int vcpu) 425 { 426 static pthread_mutex_t resetcpu_mtx = PTHREAD_MUTEX_INITIALIZER; 427 static pthread_cond_t resetcpu_cond = PTHREAD_COND_INITIALIZER; 428 429 pthread_mutex_lock(&resetcpu_mtx); 430 if (!CPU_ISSET(vcpu, &cpumask)) { 431 EPRINTLN("Attempting to delete unknown cpu %d", vcpu); 432 exit(4); 433 } 434 435 CPU_CLR(vcpu, &cpumask); 436 437 if (vcpu != BSP) { 438 pthread_cond_signal(&resetcpu_cond); 439 pthread_mutex_unlock(&resetcpu_mtx); 440 pthread_exit(NULL); 441 /* NOTREACHED */ 442 } 443 444 while (!CPU_EMPTY(&cpumask)) { 445 pthread_cond_wait(&resetcpu_cond, &resetcpu_mtx); 446 } 447 pthread_mutex_unlock(&resetcpu_mtx); 448 } 449 450 int 451 fbsdrun_suspendcpu(int vcpuid) 452 { 453 return (vm_suspend_cpu(vcpu_info[vcpuid].vcpu)); 454 } 455 456 static void 457 vm_loop(struct vmctx *ctx, struct vcpu *vcpu) 458 { 459 struct vm_exit vme; 460 struct vm_run vmrun; 461 int error, rc; 462 enum vm_exitcode exitcode; 463 cpuset_t active_cpus, dmask; 464 465 error = vm_active_cpus(ctx, &active_cpus); 466 assert(CPU_ISSET(vcpu_id(vcpu), &active_cpus)); 467 468 vmrun.vm_exit = &vme; 469 vmrun.cpuset = &dmask; 470 vmrun.cpusetsize = sizeof(dmask); 471 472 while (1) { 473 error = vm_run(vcpu, &vmrun); 474 if (error != 0) 475 break; 476 477 exitcode = vme.exitcode; 478 if (exitcode >= VM_EXITCODE_MAX || 479 vmexit_handlers[exitcode] == NULL) { 480 warnx("vm_loop: unexpected exitcode 0x%x", exitcode); 481 exit(4); 482 } 483 484 rc = (*vmexit_handlers[exitcode])(ctx, vcpu, &vmrun); 485 486 switch (rc) { 487 case VMEXIT_CONTINUE: 488 break; 489 case VMEXIT_ABORT: 490 abort(); 491 default: 492 exit(4); 493 } 494 } 495 EPRINTLN("vm_run error %d, errno %d", error, errno); 496 } 497 498 static int 499 num_vcpus_allowed(struct vmctx *ctx, struct vcpu *vcpu) 500 { 501 uint16_t sockets, cores, threads, maxcpus; 502 int tmp, error; 503 504 /* 505 * The guest is allowed to spinup more than one processor only if the 506 * UNRESTRICTED_GUEST capability is available. 507 */ 508 error = vm_get_capability(vcpu, VM_CAP_UNRESTRICTED_GUEST, &tmp); 509 if (error != 0) 510 return (1); 511 512 error = vm_get_topology(ctx, &sockets, &cores, &threads, &maxcpus); 513 if (error == 0) 514 return (maxcpus); 515 else 516 return (1); 517 } 518 519 static struct vmctx * 520 do_open(const char *vmname) 521 { 522 struct vmctx *ctx; 523 int error; 524 bool romboot; 525 526 romboot = bootrom_boot(); 527 528 /* 529 * If we don't have a boot ROM, the guest context must have been 530 * initialized by bhyveload(8) or equivalent. 531 */ 532 ctx = vm_openf(vmname, romboot ? VMMAPI_OPEN_REINIT : 0); 533 if (ctx == NULL) { 534 if (errno != ENOENT) 535 err(4, "vm_openf"); 536 if (!romboot) 537 errx(4, "no bootrom was configured"); 538 ctx = vm_openf(vmname, VMMAPI_OPEN_CREATE); 539 if (ctx == NULL) 540 err(4, "vm_openf"); 541 } 542 543 #ifndef WITHOUT_CAPSICUM 544 if (vm_limit_rights(ctx) != 0) 545 err(EX_OSERR, "vm_limit_rights"); 546 #endif 547 548 error = vm_set_topology(ctx, cpu_sockets, cpu_cores, cpu_threads, 0); 549 if (error) 550 errx(EX_OSERR, "vm_set_topology"); 551 return (ctx); 552 } 553 554 bool 555 bhyve_parse_config_option(const char *option) 556 { 557 const char *value; 558 char *path; 559 560 value = strchr(option, '='); 561 if (value == NULL || value[1] == '\0') 562 return (false); 563 path = strndup(option, value - option); 564 if (path == NULL) 565 err(4, "Failed to allocate memory"); 566 set_config_value(path, value + 1); 567 free(path); 568 return (true); 569 } 570 571 void 572 bhyve_parse_simple_config_file(const char *path) 573 { 574 FILE *fp; 575 char *line, *cp; 576 size_t linecap; 577 unsigned int lineno; 578 579 fp = fopen(path, "r"); 580 if (fp == NULL) 581 err(4, "Failed to open configuration file %s", path); 582 line = NULL; 583 linecap = 0; 584 lineno = 1; 585 for (lineno = 1; getline(&line, &linecap, fp) > 0; lineno++) { 586 if (*line == '#' || *line == '\n') 587 continue; 588 cp = strchr(line, '\n'); 589 if (cp != NULL) 590 *cp = '\0'; 591 if (!bhyve_parse_config_option(line)) 592 errx(4, "%s line %u: invalid config option '%s'", path, 593 lineno, line); 594 } 595 free(line); 596 fclose(fp); 597 } 598 599 #ifdef BHYVE_GDB 600 void 601 bhyve_parse_gdb_options(const char *opt) 602 { 603 const char *sport; 604 char *colon; 605 606 if (opt[0] == 'w') { 607 set_config_bool("gdb.wait", true); 608 opt++; 609 } 610 611 colon = strrchr(opt, ':'); 612 if (colon == NULL) { 613 sport = opt; 614 } else { 615 *colon = '\0'; 616 colon++; 617 sport = colon; 618 set_config_value("gdb.address", opt); 619 } 620 621 set_config_value("gdb.port", sport); 622 } 623 #endif 624 625 int 626 main(int argc, char *argv[]) 627 { 628 int error; 629 int max_vcpus, memflags; 630 struct vcpu *bsp; 631 struct vmctx *ctx; 632 size_t memsize; 633 const char *value, *vmname; 634 #ifdef BHYVE_SNAPSHOT 635 struct restore_state rstate; 636 #endif 637 638 bhyve_init_config(); 639 bhyve_optparse(argc, argv); 640 argc -= optind; 641 argv += optind; 642 643 if (argc > 1) 644 bhyve_usage(1); 645 646 #ifdef BHYVE_SNAPSHOT 647 if (restore_file != NULL) { 648 error = load_restore_file(restore_file, &rstate); 649 if (error) { 650 fprintf(stderr, "Failed to read checkpoint info from " 651 "file: '%s'.\n", restore_file); 652 exit(1); 653 } 654 vmname = lookup_vmname(&rstate); 655 if (vmname != NULL) 656 set_config_value("name", vmname); 657 } 658 #endif 659 660 if (argc == 1) 661 set_config_value("name", argv[0]); 662 663 vmname = get_config_value("name"); 664 if (vmname == NULL) 665 bhyve_usage(1); 666 667 if (get_config_bool_default("config.dump", false)) { 668 dump_config(); 669 exit(1); 670 } 671 672 calc_topology(); 673 build_vcpumaps(); 674 675 value = get_config_value("memory.size"); 676 error = vm_parse_memsize(value, &memsize); 677 if (error) 678 errx(EX_USAGE, "invalid memsize '%s'", value); 679 680 ctx = do_open(vmname); 681 682 #ifdef BHYVE_SNAPSHOT 683 if (restore_file != NULL) { 684 guest_ncpus = lookup_guest_ncpus(&rstate); 685 memflags = lookup_memflags(&rstate); 686 memsize = lookup_memsize(&rstate); 687 } 688 689 if (guest_ncpus < 1) { 690 fprintf(stderr, "Invalid guest vCPUs (%d)\n", guest_ncpus); 691 exit(1); 692 } 693 #endif 694 695 bsp = vm_vcpu_open(ctx, BSP); 696 max_vcpus = num_vcpus_allowed(ctx, bsp); 697 if (guest_ncpus > max_vcpus) { 698 fprintf(stderr, "%d vCPUs requested but only %d available\n", 699 guest_ncpus, max_vcpus); 700 exit(4); 701 } 702 703 bhyve_init_vcpu(bsp); 704 705 /* Allocate per-VCPU resources. */ 706 vcpu_info = calloc(guest_ncpus, sizeof(*vcpu_info)); 707 for (int vcpuid = 0; vcpuid < guest_ncpus; vcpuid++) { 708 vcpu_info[vcpuid].ctx = ctx; 709 vcpu_info[vcpuid].vcpuid = vcpuid; 710 if (vcpuid == BSP) 711 vcpu_info[vcpuid].vcpu = bsp; 712 else 713 vcpu_info[vcpuid].vcpu = vm_vcpu_open(ctx, vcpuid); 714 } 715 716 memflags = 0; 717 if (get_config_bool_default("memory.wired", false)) 718 memflags |= VM_MEM_F_WIRED; 719 if (get_config_bool_default("memory.guest_in_core", false)) 720 memflags |= VM_MEM_F_INCORE; 721 vm_set_memflags(ctx, memflags); 722 error = vm_setup_memory(ctx, memsize, VM_MMAP_ALL); 723 if (error) { 724 fprintf(stderr, "Unable to setup memory (%d)\n", errno); 725 exit(4); 726 } 727 728 init_mem(guest_ncpus); 729 init_bootrom(ctx); 730 if (bhyve_init_platform(ctx, bsp) != 0) 731 exit(4); 732 733 if (qemu_fwcfg_init(ctx) != 0) { 734 fprintf(stderr, "qemu fwcfg initialization error\n"); 735 exit(4); 736 } 737 738 if (qemu_fwcfg_add_file("opt/bhyve/hw.ncpu", sizeof(guest_ncpus), 739 &guest_ncpus) != 0) { 740 fprintf(stderr, "Could not add qemu fwcfg opt/bhyve/hw.ncpu\n"); 741 exit(4); 742 } 743 744 /* 745 * Exit if a device emulation finds an error in its initialization 746 */ 747 if (init_pci(ctx) != 0) { 748 EPRINTLN("Device emulation initialization error: %s", 749 strerror(errno)); 750 exit(4); 751 } 752 if (init_tpm(ctx) != 0) { 753 EPRINTLN("Failed to init TPM device"); 754 exit(4); 755 } 756 757 /* 758 * Initialize after PCI, to allow a bootrom file to reserve the high 759 * region. 760 */ 761 if (get_config_bool("acpi_tables")) 762 vmgenc_init(ctx); 763 764 #ifdef BHYVE_GDB 765 init_gdb(ctx); 766 #endif 767 768 /* 769 * Add all vCPUs. 770 */ 771 for (int vcpuid = 0; vcpuid < guest_ncpus; vcpuid++) 772 bhyve_start_vcpu(vcpu_info[vcpuid].vcpu, vcpuid == BSP); 773 774 #ifdef BHYVE_SNAPSHOT 775 if (restore_file != NULL) { 776 FPRINTLN(stdout, "Pausing pci devs..."); 777 if (vm_pause_devices() != 0) { 778 EPRINTLN("Failed to pause PCI device state."); 779 exit(1); 780 } 781 782 FPRINTLN(stdout, "Restoring vm mem..."); 783 if (restore_vm_mem(ctx, &rstate) != 0) { 784 EPRINTLN("Failed to restore VM memory."); 785 exit(1); 786 } 787 788 FPRINTLN(stdout, "Restoring pci devs..."); 789 if (vm_restore_devices(&rstate) != 0) { 790 EPRINTLN("Failed to restore PCI device state."); 791 exit(1); 792 } 793 794 FPRINTLN(stdout, "Restoring kernel structs..."); 795 if (vm_restore_kern_structs(ctx, &rstate) != 0) { 796 EPRINTLN("Failed to restore kernel structs."); 797 exit(1); 798 } 799 800 FPRINTLN(stdout, "Resuming pci devs..."); 801 if (vm_resume_devices() != 0) { 802 EPRINTLN("Failed to resume PCI device state."); 803 exit(1); 804 } 805 } 806 #endif 807 808 if (bhyve_init_platform_late(ctx, bsp) != 0) 809 exit(4); 810 811 /* 812 * Change the proc title to include the VM name. 813 */ 814 setproctitle("%s", vmname); 815 816 #ifdef BHYVE_SNAPSHOT 817 /* 818 * checkpointing thread for communication with bhyvectl 819 */ 820 if (init_checkpoint_thread(ctx) != 0) 821 errx(EX_OSERR, "Failed to start checkpoint thread"); 822 #endif 823 824 #ifndef WITHOUT_CAPSICUM 825 caph_cache_catpages(); 826 827 if (caph_limit_stdout() == -1 || caph_limit_stderr() == -1) 828 errx(EX_OSERR, "Unable to apply rights for sandbox"); 829 830 if (caph_enter() == -1) 831 errx(EX_OSERR, "cap_enter() failed"); 832 #endif 833 834 #ifdef BHYVE_SNAPSHOT 835 if (restore_file != NULL) { 836 destroy_restore_state(&rstate); 837 if (vm_restore_time(ctx) < 0) 838 err(EX_OSERR, "Unable to restore time"); 839 840 for (int vcpuid = 0; vcpuid < guest_ncpus; vcpuid++) 841 vm_resume_cpu(vcpu_info[vcpuid].vcpu); 842 } else 843 #endif 844 vm_resume_cpu(bsp); 845 846 /* 847 * Head off to the main event dispatch loop 848 */ 849 mevent_dispatch(); 850 851 exit(4); 852 } 853