1 /* 2 * QTest testcase for migration 3 * 4 * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates 5 * based on the vhost-user-test.c that is: 6 * Copyright (c) 2014 Virtual Open Systems Sarl. 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or later. 9 * See the COPYING file in the top-level directory. 10 * 11 */ 12 13 #include "qemu/osdep.h" 14 15 #include "libqtest.h" 16 #include "qapi/qmp/qdict.h" 17 #include "qemu/module.h" 18 #include "qemu/option.h" 19 #include "qemu/range.h" 20 #include "qemu/sockets.h" 21 #include "chardev/char.h" 22 #include "crypto/tlscredspsk.h" 23 #include "qapi/qmp/qlist.h" 24 #include "ppc-util.h" 25 26 #include "migration-helpers.h" 27 #include "tests/migration/migration-test.h" 28 #ifdef CONFIG_GNUTLS 29 # include "tests/unit/crypto-tls-psk-helpers.h" 30 # ifdef CONFIG_TASN1 31 # include "tests/unit/crypto-tls-x509-helpers.h" 32 # endif /* CONFIG_TASN1 */ 33 #endif /* CONFIG_GNUTLS */ 34 35 /* For dirty ring test; so far only x86_64 is supported */ 36 #if defined(__linux__) && defined(HOST_X86_64) 37 #include "linux/kvm.h" 38 #endif 39 40 unsigned start_address; 41 unsigned end_address; 42 static bool uffd_feature_thread_id; 43 static QTestMigrationState src_state; 44 static QTestMigrationState dst_state; 45 46 /* 47 * An initial 3 MB offset is used as that corresponds 48 * to ~1 sec of data transfer with our bandwidth setting. 49 */ 50 #define MAGIC_OFFSET_BASE (3 * 1024 * 1024) 51 /* 52 * A further 1k is added to ensure we're not a multiple 53 * of TEST_MEM_PAGE_SIZE, thus avoid clash with writes 54 * from the migration guest workload. 55 */ 56 #define MAGIC_OFFSET_SHUFFLE 1024 57 #define MAGIC_OFFSET (MAGIC_OFFSET_BASE + MAGIC_OFFSET_SHUFFLE) 58 #define MAGIC_MARKER 0xFEED12345678CAFEULL 59 60 /* 61 * Dirtylimit stop working if dirty page rate error 62 * value less than DIRTYLIMIT_TOLERANCE_RANGE 63 */ 64 #define DIRTYLIMIT_TOLERANCE_RANGE 25 /* MB/s */ 65 66 #define ANALYZE_SCRIPT "scripts/analyze-migration.py" 67 68 #define QEMU_VM_FILE_MAGIC 0x5145564d 69 #define FILE_TEST_FILENAME "migfile" 70 #define FILE_TEST_OFFSET 0x1000 71 #define QEMU_ENV_SRC "QTEST_QEMU_BINARY_SRC" 72 #define QEMU_ENV_DST "QTEST_QEMU_BINARY_DST" 73 74 #if defined(__linux__) 75 #include <sys/syscall.h> 76 #include <sys/vfs.h> 77 #endif 78 79 #if defined(__linux__) && defined(__NR_userfaultfd) && defined(CONFIG_EVENTFD) 80 #include <sys/eventfd.h> 81 #include <sys/ioctl.h> 82 #include "qemu/userfaultfd.h" 83 84 static bool ufd_version_check(void) 85 { 86 struct uffdio_api api_struct; 87 uint64_t ioctl_mask; 88 89 int ufd = uffd_open(O_CLOEXEC); 90 91 if (ufd == -1) { 92 g_test_message("Skipping test: userfaultfd not available"); 93 return false; 94 } 95 96 api_struct.api = UFFD_API; 97 api_struct.features = 0; 98 if (ioctl(ufd, UFFDIO_API, &api_struct)) { 99 g_test_message("Skipping test: UFFDIO_API failed"); 100 return false; 101 } 102 uffd_feature_thread_id = api_struct.features & UFFD_FEATURE_THREAD_ID; 103 104 ioctl_mask = 1ULL << _UFFDIO_REGISTER | 105 1ULL << _UFFDIO_UNREGISTER; 106 if ((api_struct.ioctls & ioctl_mask) != ioctl_mask) { 107 g_test_message("Skipping test: Missing userfault feature"); 108 return false; 109 } 110 111 return true; 112 } 113 114 #else 115 static bool ufd_version_check(void) 116 { 117 g_test_message("Skipping test: Userfault not available (builtdtime)"); 118 return false; 119 } 120 121 #endif 122 123 static char *tmpfs; 124 static char *bootpath; 125 126 /* The boot file modifies memory area in [start_address, end_address) 127 * repeatedly. It outputs a 'B' at a fixed rate while it's still running. 128 */ 129 #include "tests/migration/i386/a-b-bootblock.h" 130 #include "tests/migration/aarch64/a-b-kernel.h" 131 #include "tests/migration/ppc64/a-b-kernel.h" 132 #include "tests/migration/s390x/a-b-bios.h" 133 134 static void bootfile_create(char *dir, bool suspend_me) 135 { 136 const char *arch = qtest_get_arch(); 137 unsigned char *content; 138 size_t len; 139 140 bootpath = g_strdup_printf("%s/bootsect", dir); 141 if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { 142 /* the assembled x86 boot sector should be exactly one sector large */ 143 g_assert(sizeof(x86_bootsect) == 512); 144 x86_bootsect[SYM_suspend_me - SYM_start] = suspend_me; 145 content = x86_bootsect; 146 len = sizeof(x86_bootsect); 147 } else if (g_str_equal(arch, "s390x")) { 148 content = s390x_elf; 149 len = sizeof(s390x_elf); 150 } else if (strcmp(arch, "ppc64") == 0) { 151 content = ppc64_kernel; 152 len = sizeof(ppc64_kernel); 153 } else if (strcmp(arch, "aarch64") == 0) { 154 content = aarch64_kernel; 155 len = sizeof(aarch64_kernel); 156 g_assert(sizeof(aarch64_kernel) <= ARM_TEST_MAX_KERNEL_SIZE); 157 } else { 158 g_assert_not_reached(); 159 } 160 161 FILE *bootfile = fopen(bootpath, "wb"); 162 163 g_assert_cmpint(fwrite(content, len, 1, bootfile), ==, 1); 164 fclose(bootfile); 165 } 166 167 static void bootfile_delete(void) 168 { 169 unlink(bootpath); 170 g_free(bootpath); 171 bootpath = NULL; 172 } 173 174 /* 175 * Wait for some output in the serial output file, 176 * we get an 'A' followed by an endless string of 'B's 177 * but on the destination we won't have the A (unless we enabled suspend/resume) 178 */ 179 static void wait_for_serial(const char *side) 180 { 181 g_autofree char *serialpath = g_strdup_printf("%s/%s", tmpfs, side); 182 FILE *serialfile = fopen(serialpath, "r"); 183 184 do { 185 int readvalue = fgetc(serialfile); 186 187 switch (readvalue) { 188 case 'A': 189 /* Fine */ 190 break; 191 192 case 'B': 193 /* It's alive! */ 194 fclose(serialfile); 195 return; 196 197 case EOF: 198 fseek(serialfile, 0, SEEK_SET); 199 usleep(1000); 200 break; 201 202 default: 203 fprintf(stderr, "Unexpected %d on %s serial\n", readvalue, side); 204 g_assert_not_reached(); 205 } 206 } while (true); 207 } 208 209 static void wait_for_stop(QTestState *who, QTestMigrationState *state) 210 { 211 if (!state->stop_seen) { 212 qtest_qmp_eventwait(who, "STOP"); 213 } 214 } 215 216 static void wait_for_resume(QTestState *who, QTestMigrationState *state) 217 { 218 if (!state->resume_seen) { 219 qtest_qmp_eventwait(who, "RESUME"); 220 } 221 } 222 223 static void wait_for_suspend(QTestState *who, QTestMigrationState *state) 224 { 225 if (state->suspend_me && !state->suspend_seen) { 226 qtest_qmp_eventwait(who, "SUSPEND"); 227 } 228 } 229 230 /* 231 * It's tricky to use qemu's migration event capability with qtest, 232 * events suddenly appearing confuse the qmp()/hmp() responses. 233 */ 234 235 static int64_t read_ram_property_int(QTestState *who, const char *property) 236 { 237 QDict *rsp_return, *rsp_ram; 238 int64_t result; 239 240 rsp_return = migrate_query_not_failed(who); 241 if (!qdict_haskey(rsp_return, "ram")) { 242 /* Still in setup */ 243 result = 0; 244 } else { 245 rsp_ram = qdict_get_qdict(rsp_return, "ram"); 246 result = qdict_get_try_int(rsp_ram, property, 0); 247 } 248 qobject_unref(rsp_return); 249 return result; 250 } 251 252 static int64_t read_migrate_property_int(QTestState *who, const char *property) 253 { 254 QDict *rsp_return; 255 int64_t result; 256 257 rsp_return = migrate_query_not_failed(who); 258 result = qdict_get_try_int(rsp_return, property, 0); 259 qobject_unref(rsp_return); 260 return result; 261 } 262 263 static uint64_t get_migration_pass(QTestState *who) 264 { 265 return read_ram_property_int(who, "dirty-sync-count"); 266 } 267 268 static void read_blocktime(QTestState *who) 269 { 270 QDict *rsp_return; 271 272 rsp_return = migrate_query_not_failed(who); 273 g_assert(qdict_haskey(rsp_return, "postcopy-blocktime")); 274 qobject_unref(rsp_return); 275 } 276 277 /* 278 * Wait for two changes in the migration pass count, but bail if we stop. 279 */ 280 static void wait_for_migration_pass(QTestState *who) 281 { 282 uint64_t pass, prev_pass = 0, changes = 0; 283 284 while (changes < 2 && !src_state.stop_seen && !src_state.suspend_seen) { 285 usleep(1000); 286 pass = get_migration_pass(who); 287 changes += (pass != prev_pass); 288 prev_pass = pass; 289 } 290 } 291 292 static void check_guests_ram(QTestState *who) 293 { 294 /* Our ASM test will have been incrementing one byte from each page from 295 * start_address to < end_address in order. This gives us a constraint 296 * that any page's byte should be equal or less than the previous pages 297 * byte (mod 256); and they should all be equal except for one transition 298 * at the point where we meet the incrementer. (We're running this with 299 * the guest stopped). 300 */ 301 unsigned address; 302 uint8_t first_byte; 303 uint8_t last_byte; 304 bool hit_edge = false; 305 int bad = 0; 306 307 qtest_memread(who, start_address, &first_byte, 1); 308 last_byte = first_byte; 309 310 for (address = start_address + TEST_MEM_PAGE_SIZE; address < end_address; 311 address += TEST_MEM_PAGE_SIZE) 312 { 313 uint8_t b; 314 qtest_memread(who, address, &b, 1); 315 if (b != last_byte) { 316 if (((b + 1) % 256) == last_byte && !hit_edge) { 317 /* This is OK, the guest stopped at the point of 318 * incrementing the previous page but didn't get 319 * to us yet. 320 */ 321 hit_edge = true; 322 last_byte = b; 323 } else { 324 bad++; 325 if (bad <= 10) { 326 fprintf(stderr, "Memory content inconsistency at %x" 327 " first_byte = %x last_byte = %x current = %x" 328 " hit_edge = %x\n", 329 address, first_byte, last_byte, b, hit_edge); 330 } 331 } 332 } 333 } 334 if (bad >= 10) { 335 fprintf(stderr, "and in another %d pages", bad - 10); 336 } 337 g_assert(bad == 0); 338 } 339 340 static void cleanup(const char *filename) 341 { 342 g_autofree char *path = g_strdup_printf("%s/%s", tmpfs, filename); 343 344 unlink(path); 345 } 346 347 static long long migrate_get_parameter_int(QTestState *who, 348 const char *parameter) 349 { 350 QDict *rsp; 351 long long result; 352 353 rsp = qtest_qmp_assert_success_ref( 354 who, "{ 'execute': 'query-migrate-parameters' }"); 355 result = qdict_get_int(rsp, parameter); 356 qobject_unref(rsp); 357 return result; 358 } 359 360 static void migrate_check_parameter_int(QTestState *who, const char *parameter, 361 long long value) 362 { 363 long long result; 364 365 result = migrate_get_parameter_int(who, parameter); 366 g_assert_cmpint(result, ==, value); 367 } 368 369 static void migrate_set_parameter_int(QTestState *who, const char *parameter, 370 long long value) 371 { 372 qtest_qmp_assert_success(who, 373 "{ 'execute': 'migrate-set-parameters'," 374 "'arguments': { %s: %lld } }", 375 parameter, value); 376 migrate_check_parameter_int(who, parameter, value); 377 } 378 379 static char *migrate_get_parameter_str(QTestState *who, 380 const char *parameter) 381 { 382 QDict *rsp; 383 char *result; 384 385 rsp = qtest_qmp_assert_success_ref( 386 who, "{ 'execute': 'query-migrate-parameters' }"); 387 result = g_strdup(qdict_get_str(rsp, parameter)); 388 qobject_unref(rsp); 389 return result; 390 } 391 392 static void migrate_check_parameter_str(QTestState *who, const char *parameter, 393 const char *value) 394 { 395 g_autofree char *result = migrate_get_parameter_str(who, parameter); 396 g_assert_cmpstr(result, ==, value); 397 } 398 399 static void migrate_set_parameter_str(QTestState *who, const char *parameter, 400 const char *value) 401 { 402 qtest_qmp_assert_success(who, 403 "{ 'execute': 'migrate-set-parameters'," 404 "'arguments': { %s: %s } }", 405 parameter, value); 406 migrate_check_parameter_str(who, parameter, value); 407 } 408 409 static void migrate_ensure_non_converge(QTestState *who) 410 { 411 /* Can't converge with 1ms downtime + 3 mbs bandwidth limit */ 412 migrate_set_parameter_int(who, "max-bandwidth", 3 * 1000 * 1000); 413 migrate_set_parameter_int(who, "downtime-limit", 1); 414 } 415 416 static void migrate_ensure_converge(QTestState *who) 417 { 418 /* Should converge with 30s downtime + 1 gbs bandwidth limit */ 419 migrate_set_parameter_int(who, "max-bandwidth", 1 * 1000 * 1000 * 1000); 420 migrate_set_parameter_int(who, "downtime-limit", 30 * 1000); 421 } 422 423 /* 424 * Our goal is to ensure that we run a single full migration 425 * iteration, and also dirty memory, ensuring that at least 426 * one further iteration is required. 427 * 428 * We can't directly synchronize with the start of a migration 429 * so we have to apply some tricks monitoring memory that is 430 * transferred. 431 * 432 * Initially we set the migration bandwidth to an insanely 433 * low value, with tiny max downtime too. This basically 434 * guarantees migration will never complete. 435 * 436 * This will result in a test that is unacceptably slow though, 437 * so we can't let the entire migration pass run at this speed. 438 * Our intent is to let it run just long enough that we can 439 * prove data prior to the marker has been transferred *AND* 440 * also prove this transferred data is dirty again. 441 * 442 * Before migration starts, we write a 64-bit magic marker 443 * into a fixed location in the src VM RAM. 444 * 445 * Then watch dst memory until the marker appears. This is 446 * proof that start_address -> MAGIC_OFFSET_BASE has been 447 * transferred. 448 * 449 * Finally we go back to the source and read a byte just 450 * before the marker until we see it flip in value. This 451 * is proof that start_address -> MAGIC_OFFSET_BASE 452 * is now dirty again. 453 * 454 * IOW, we're guaranteed at least a 2nd migration pass 455 * at this point. 456 * 457 * We can now let migration run at full speed to finish 458 * the test 459 */ 460 static void migrate_prepare_for_dirty_mem(QTestState *from) 461 { 462 /* 463 * The guest workflow iterates from start_address to 464 * end_address, writing 1 byte every TEST_MEM_PAGE_SIZE 465 * bytes. 466 * 467 * IOW, if we write to mem at a point which is NOT 468 * a multiple of TEST_MEM_PAGE_SIZE, our write won't 469 * conflict with the migration workflow. 470 * 471 * We put in a marker here, that we'll use to determine 472 * when the data has been transferred to the dst. 473 */ 474 qtest_writeq(from, start_address + MAGIC_OFFSET, MAGIC_MARKER); 475 } 476 477 static void migrate_wait_for_dirty_mem(QTestState *from, 478 QTestState *to) 479 { 480 uint64_t watch_address = start_address + MAGIC_OFFSET_BASE; 481 uint64_t marker_address = start_address + MAGIC_OFFSET; 482 uint8_t watch_byte; 483 484 /* 485 * Wait for the MAGIC_MARKER to get transferred, as an 486 * indicator that a migration pass has made some known 487 * amount of progress. 488 */ 489 do { 490 usleep(1000 * 10); 491 } while (qtest_readq(to, marker_address) != MAGIC_MARKER); 492 493 494 /* If suspended, src only iterates once, and watch_byte may never change */ 495 if (src_state.suspend_me) { 496 return; 497 } 498 499 /* 500 * Now ensure that already transferred bytes are 501 * dirty again from the guest workload. Note the 502 * guest byte value will wrap around and by chance 503 * match the original watch_byte. This is harmless 504 * as we'll eventually see a different value if we 505 * keep watching 506 */ 507 watch_byte = qtest_readb(from, watch_address); 508 do { 509 usleep(1000 * 10); 510 } while (qtest_readb(from, watch_address) == watch_byte); 511 } 512 513 514 static void migrate_pause(QTestState *who) 515 { 516 qtest_qmp_assert_success(who, "{ 'execute': 'migrate-pause' }"); 517 } 518 519 static void migrate_continue(QTestState *who, const char *state) 520 { 521 qtest_qmp_assert_success(who, 522 "{ 'execute': 'migrate-continue'," 523 " 'arguments': { 'state': %s } }", 524 state); 525 } 526 527 static void migrate_recover(QTestState *who, const char *uri) 528 { 529 qtest_qmp_assert_success(who, 530 "{ 'execute': 'migrate-recover', " 531 " 'id': 'recover-cmd', " 532 " 'arguments': { 'uri': %s } }", 533 uri); 534 } 535 536 static void migrate_cancel(QTestState *who) 537 { 538 qtest_qmp_assert_success(who, "{ 'execute': 'migrate_cancel' }"); 539 } 540 541 static void migrate_postcopy_start(QTestState *from, QTestState *to) 542 { 543 qtest_qmp_assert_success(from, "{ 'execute': 'migrate-start-postcopy' }"); 544 545 wait_for_stop(from, &src_state); 546 qtest_qmp_eventwait(to, "RESUME"); 547 } 548 549 typedef struct { 550 /* 551 * QTEST_LOG=1 may override this. When QTEST_LOG=1, we always dump errors 552 * unconditionally, because it means the user would like to be verbose. 553 */ 554 bool hide_stderr; 555 bool use_shmem; 556 /* only launch the target process */ 557 bool only_target; 558 /* Use dirty ring if true; dirty logging otherwise */ 559 bool use_dirty_ring; 560 const char *opts_source; 561 const char *opts_target; 562 /* suspend the src before migrating to dest. */ 563 bool suspend_me; 564 } MigrateStart; 565 566 /* 567 * A hook that runs after the src and dst QEMUs have been 568 * created, but before the migration is started. This can 569 * be used to set migration parameters and capabilities. 570 * 571 * Returns: NULL, or a pointer to opaque state to be 572 * later passed to the TestMigrateFinishHook 573 */ 574 typedef void * (*TestMigrateStartHook)(QTestState *from, 575 QTestState *to); 576 577 /* 578 * A hook that runs after the migration has finished, 579 * regardless of whether it succeeded or failed, but 580 * before QEMU has terminated (unless it self-terminated 581 * due to migration error) 582 * 583 * @opaque is a pointer to state previously returned 584 * by the TestMigrateStartHook if any, or NULL. 585 */ 586 typedef void (*TestMigrateFinishHook)(QTestState *from, 587 QTestState *to, 588 void *opaque); 589 590 typedef struct { 591 /* Optional: fine tune start parameters */ 592 MigrateStart start; 593 594 /* Required: the URI for the dst QEMU to listen on */ 595 const char *listen_uri; 596 597 /* 598 * Optional: the URI for the src QEMU to connect to 599 * If NULL, then it will query the dst QEMU for its actual 600 * listening address and use that as the connect address. 601 * This allows for dynamically picking a free TCP port. 602 */ 603 const char *connect_uri; 604 605 /* 606 * Optional: JSON-formatted list of src QEMU URIs. If a port is 607 * defined as '0' in any QDict key a value of '0' will be 608 * automatically converted to the correct destination port. 609 */ 610 const char *connect_channels; 611 612 /* Optional: callback to run at start to set migration parameters */ 613 TestMigrateStartHook start_hook; 614 /* Optional: callback to run at finish to cleanup */ 615 TestMigrateFinishHook finish_hook; 616 617 /* 618 * Optional: normally we expect the migration process to complete. 619 * 620 * There can be a variety of reasons and stages in which failure 621 * can happen during tests. 622 * 623 * If a failure is expected to happen at time of establishing 624 * the connection, then MIG_TEST_FAIL will indicate that the dst 625 * QEMU is expected to stay running and accept future migration 626 * connections. 627 * 628 * If a failure is expected to happen while processing the 629 * migration stream, then MIG_TEST_FAIL_DEST_QUIT_ERR will indicate 630 * that the dst QEMU is expected to quit with non-zero exit status 631 */ 632 enum { 633 /* This test should succeed, the default */ 634 MIG_TEST_SUCCEED = 0, 635 /* This test should fail, dest qemu should keep alive */ 636 MIG_TEST_FAIL, 637 /* This test should fail, dest qemu should fail with abnormal status */ 638 MIG_TEST_FAIL_DEST_QUIT_ERR, 639 /* The QMP command for this migration should fail with an error */ 640 MIG_TEST_QMP_ERROR, 641 } result; 642 643 /* 644 * Optional: set number of migration passes to wait for, if live==true. 645 * If zero, then merely wait for a few MB of dirty data 646 */ 647 unsigned int iterations; 648 649 /* 650 * Optional: whether the guest CPUs should be running during a precopy 651 * migration test. We used to always run with live but it took much 652 * longer so we reduced live tests to only the ones that have solid 653 * reason to be tested live-only. For each of the new test cases for 654 * precopy please provide justifications to use live explicitly (please 655 * refer to existing ones with live=true), or use live=off by default. 656 */ 657 bool live; 658 659 /* Postcopy specific fields */ 660 void *postcopy_data; 661 bool postcopy_preempt; 662 bool postcopy_recovery_test_fail; 663 } MigrateCommon; 664 665 static int test_migrate_start(QTestState **from, QTestState **to, 666 const char *uri, MigrateStart *args) 667 { 668 g_autofree gchar *arch_source = NULL; 669 g_autofree gchar *arch_target = NULL; 670 /* options for source and target */ 671 g_autofree gchar *arch_opts = NULL; 672 g_autofree gchar *cmd_source = NULL; 673 g_autofree gchar *cmd_target = NULL; 674 const gchar *ignore_stderr; 675 g_autofree char *shmem_opts = NULL; 676 g_autofree char *shmem_path = NULL; 677 const char *kvm_opts = NULL; 678 const char *arch = qtest_get_arch(); 679 const char *memory_size; 680 const char *machine_alias, *machine_opts = ""; 681 g_autofree char *machine = NULL; 682 683 if (args->use_shmem) { 684 if (!g_file_test("/dev/shm", G_FILE_TEST_IS_DIR)) { 685 g_test_skip("/dev/shm is not supported"); 686 return -1; 687 } 688 } 689 690 dst_state = (QTestMigrationState) { }; 691 src_state = (QTestMigrationState) { }; 692 bootfile_create(tmpfs, args->suspend_me); 693 src_state.suspend_me = args->suspend_me; 694 695 if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { 696 memory_size = "150M"; 697 698 if (g_str_equal(arch, "i386")) { 699 machine_alias = "pc"; 700 } else { 701 machine_alias = "q35"; 702 } 703 arch_opts = g_strdup_printf( 704 "-drive if=none,id=d0,file=%s,format=raw " 705 "-device ide-hd,drive=d0,secs=1,cyls=1,heads=1", bootpath); 706 start_address = X86_TEST_MEM_START; 707 end_address = X86_TEST_MEM_END; 708 } else if (g_str_equal(arch, "s390x")) { 709 memory_size = "128M"; 710 machine_alias = "s390-ccw-virtio"; 711 arch_opts = g_strdup_printf("-bios %s", bootpath); 712 start_address = S390_TEST_MEM_START; 713 end_address = S390_TEST_MEM_END; 714 } else if (strcmp(arch, "ppc64") == 0) { 715 memory_size = "256M"; 716 start_address = PPC_TEST_MEM_START; 717 end_address = PPC_TEST_MEM_END; 718 machine_alias = "pseries"; 719 machine_opts = "vsmt=8"; 720 arch_opts = g_strdup_printf( 721 "-nodefaults -machine " PSERIES_DEFAULT_CAPABILITIES " " 722 "-bios %s", bootpath); 723 } else if (strcmp(arch, "aarch64") == 0) { 724 memory_size = "150M"; 725 machine_alias = "virt"; 726 machine_opts = "gic-version=3"; 727 arch_opts = g_strdup_printf("-cpu max -kernel %s", bootpath); 728 start_address = ARM_TEST_MEM_START; 729 end_address = ARM_TEST_MEM_END; 730 } else { 731 g_assert_not_reached(); 732 } 733 734 if (!getenv("QTEST_LOG") && args->hide_stderr) { 735 #ifndef _WIN32 736 ignore_stderr = "2>/dev/null"; 737 #else 738 /* 739 * On Windows the QEMU executable is created via CreateProcess() and 740 * IO redirection does not work, so don't bother adding IO redirection 741 * to the command line. 742 */ 743 ignore_stderr = ""; 744 #endif 745 } else { 746 ignore_stderr = ""; 747 } 748 749 if (args->use_shmem) { 750 shmem_path = g_strdup_printf("/dev/shm/qemu-%d", getpid()); 751 shmem_opts = g_strdup_printf( 752 "-object memory-backend-file,id=mem0,size=%s" 753 ",mem-path=%s,share=on -numa node,memdev=mem0", 754 memory_size, shmem_path); 755 } 756 757 if (args->use_dirty_ring) { 758 kvm_opts = ",dirty-ring-size=4096"; 759 } 760 761 if (!qtest_has_machine(machine_alias)) { 762 g_autofree char *msg = g_strdup_printf("machine %s not supported", machine_alias); 763 g_test_skip(msg); 764 return -1; 765 } 766 767 machine = resolve_machine_version(machine_alias, QEMU_ENV_SRC, 768 QEMU_ENV_DST); 769 770 g_test_message("Using machine type: %s", machine); 771 772 cmd_source = g_strdup_printf("-accel kvm%s -accel tcg " 773 "-machine %s,%s " 774 "-name source,debug-threads=on " 775 "-m %s " 776 "-serial file:%s/src_serial " 777 "%s %s %s %s %s", 778 kvm_opts ? kvm_opts : "", 779 machine, machine_opts, 780 memory_size, tmpfs, 781 arch_opts ? arch_opts : "", 782 arch_source ? arch_source : "", 783 shmem_opts ? shmem_opts : "", 784 args->opts_source ? args->opts_source : "", 785 ignore_stderr); 786 if (!args->only_target) { 787 *from = qtest_init_with_env(QEMU_ENV_SRC, cmd_source); 788 qtest_qmp_set_event_callback(*from, 789 migrate_watch_for_events, 790 &src_state); 791 } 792 793 cmd_target = g_strdup_printf("-accel kvm%s -accel tcg " 794 "-machine %s,%s " 795 "-name target,debug-threads=on " 796 "-m %s " 797 "-serial file:%s/dest_serial " 798 "-incoming %s " 799 "%s %s %s %s %s", 800 kvm_opts ? kvm_opts : "", 801 machine, machine_opts, 802 memory_size, tmpfs, uri, 803 arch_opts ? arch_opts : "", 804 arch_target ? arch_target : "", 805 shmem_opts ? shmem_opts : "", 806 args->opts_target ? args->opts_target : "", 807 ignore_stderr); 808 *to = qtest_init_with_env(QEMU_ENV_DST, cmd_target); 809 qtest_qmp_set_event_callback(*to, 810 migrate_watch_for_events, 811 &dst_state); 812 813 /* 814 * Remove shmem file immediately to avoid memory leak in test failed case. 815 * It's valid because QEMU has already opened this file 816 */ 817 if (args->use_shmem) { 818 unlink(shmem_path); 819 } 820 821 return 0; 822 } 823 824 static void test_migrate_end(QTestState *from, QTestState *to, bool test_dest) 825 { 826 unsigned char dest_byte_a, dest_byte_b, dest_byte_c, dest_byte_d; 827 828 qtest_quit(from); 829 830 if (test_dest) { 831 qtest_memread(to, start_address, &dest_byte_a, 1); 832 833 /* Destination still running, wait for a byte to change */ 834 do { 835 qtest_memread(to, start_address, &dest_byte_b, 1); 836 usleep(1000 * 10); 837 } while (dest_byte_a == dest_byte_b); 838 839 qtest_qmp_assert_success(to, "{ 'execute' : 'stop'}"); 840 841 /* With it stopped, check nothing changes */ 842 qtest_memread(to, start_address, &dest_byte_c, 1); 843 usleep(1000 * 200); 844 qtest_memread(to, start_address, &dest_byte_d, 1); 845 g_assert_cmpint(dest_byte_c, ==, dest_byte_d); 846 847 check_guests_ram(to); 848 } 849 850 qtest_quit(to); 851 852 cleanup("migsocket"); 853 cleanup("src_serial"); 854 cleanup("dest_serial"); 855 cleanup(FILE_TEST_FILENAME); 856 } 857 858 #ifdef CONFIG_GNUTLS 859 struct TestMigrateTLSPSKData { 860 char *workdir; 861 char *workdiralt; 862 char *pskfile; 863 char *pskfilealt; 864 }; 865 866 static void * 867 test_migrate_tls_psk_start_common(QTestState *from, 868 QTestState *to, 869 bool mismatch) 870 { 871 struct TestMigrateTLSPSKData *data = 872 g_new0(struct TestMigrateTLSPSKData, 1); 873 874 data->workdir = g_strdup_printf("%s/tlscredspsk0", tmpfs); 875 data->pskfile = g_strdup_printf("%s/%s", data->workdir, 876 QCRYPTO_TLS_CREDS_PSKFILE); 877 g_mkdir_with_parents(data->workdir, 0700); 878 test_tls_psk_init(data->pskfile); 879 880 if (mismatch) { 881 data->workdiralt = g_strdup_printf("%s/tlscredspskalt0", tmpfs); 882 data->pskfilealt = g_strdup_printf("%s/%s", data->workdiralt, 883 QCRYPTO_TLS_CREDS_PSKFILE); 884 g_mkdir_with_parents(data->workdiralt, 0700); 885 test_tls_psk_init_alt(data->pskfilealt); 886 } 887 888 qtest_qmp_assert_success(from, 889 "{ 'execute': 'object-add'," 890 " 'arguments': { 'qom-type': 'tls-creds-psk'," 891 " 'id': 'tlscredspsk0'," 892 " 'endpoint': 'client'," 893 " 'dir': %s," 894 " 'username': 'qemu'} }", 895 data->workdir); 896 897 qtest_qmp_assert_success(to, 898 "{ 'execute': 'object-add'," 899 " 'arguments': { 'qom-type': 'tls-creds-psk'," 900 " 'id': 'tlscredspsk0'," 901 " 'endpoint': 'server'," 902 " 'dir': %s } }", 903 mismatch ? data->workdiralt : data->workdir); 904 905 migrate_set_parameter_str(from, "tls-creds", "tlscredspsk0"); 906 migrate_set_parameter_str(to, "tls-creds", "tlscredspsk0"); 907 908 return data; 909 } 910 911 static void * 912 test_migrate_tls_psk_start_match(QTestState *from, 913 QTestState *to) 914 { 915 return test_migrate_tls_psk_start_common(from, to, false); 916 } 917 918 static void * 919 test_migrate_tls_psk_start_mismatch(QTestState *from, 920 QTestState *to) 921 { 922 return test_migrate_tls_psk_start_common(from, to, true); 923 } 924 925 static void 926 test_migrate_tls_psk_finish(QTestState *from, 927 QTestState *to, 928 void *opaque) 929 { 930 struct TestMigrateTLSPSKData *data = opaque; 931 932 test_tls_psk_cleanup(data->pskfile); 933 if (data->pskfilealt) { 934 test_tls_psk_cleanup(data->pskfilealt); 935 } 936 rmdir(data->workdir); 937 if (data->workdiralt) { 938 rmdir(data->workdiralt); 939 } 940 941 g_free(data->workdiralt); 942 g_free(data->pskfilealt); 943 g_free(data->workdir); 944 g_free(data->pskfile); 945 g_free(data); 946 } 947 948 #ifdef CONFIG_TASN1 949 typedef struct { 950 char *workdir; 951 char *keyfile; 952 char *cacert; 953 char *servercert; 954 char *serverkey; 955 char *clientcert; 956 char *clientkey; 957 } TestMigrateTLSX509Data; 958 959 typedef struct { 960 bool verifyclient; 961 bool clientcert; 962 bool hostileclient; 963 bool authzclient; 964 const char *certhostname; 965 const char *certipaddr; 966 } TestMigrateTLSX509; 967 968 static void * 969 test_migrate_tls_x509_start_common(QTestState *from, 970 QTestState *to, 971 TestMigrateTLSX509 *args) 972 { 973 TestMigrateTLSX509Data *data = g_new0(TestMigrateTLSX509Data, 1); 974 975 data->workdir = g_strdup_printf("%s/tlscredsx5090", tmpfs); 976 data->keyfile = g_strdup_printf("%s/key.pem", data->workdir); 977 978 data->cacert = g_strdup_printf("%s/ca-cert.pem", data->workdir); 979 data->serverkey = g_strdup_printf("%s/server-key.pem", data->workdir); 980 data->servercert = g_strdup_printf("%s/server-cert.pem", data->workdir); 981 if (args->clientcert) { 982 data->clientkey = g_strdup_printf("%s/client-key.pem", data->workdir); 983 data->clientcert = g_strdup_printf("%s/client-cert.pem", data->workdir); 984 } 985 986 g_mkdir_with_parents(data->workdir, 0700); 987 988 test_tls_init(data->keyfile); 989 #ifndef _WIN32 990 g_assert(link(data->keyfile, data->serverkey) == 0); 991 #else 992 g_assert(CreateHardLink(data->serverkey, data->keyfile, NULL) != 0); 993 #endif 994 if (args->clientcert) { 995 #ifndef _WIN32 996 g_assert(link(data->keyfile, data->clientkey) == 0); 997 #else 998 g_assert(CreateHardLink(data->clientkey, data->keyfile, NULL) != 0); 999 #endif 1000 } 1001 1002 TLS_ROOT_REQ_SIMPLE(cacertreq, data->cacert); 1003 if (args->clientcert) { 1004 TLS_CERT_REQ_SIMPLE_CLIENT(servercertreq, cacertreq, 1005 args->hostileclient ? 1006 QCRYPTO_TLS_TEST_CLIENT_HOSTILE_NAME : 1007 QCRYPTO_TLS_TEST_CLIENT_NAME, 1008 data->clientcert); 1009 } 1010 1011 TLS_CERT_REQ_SIMPLE_SERVER(clientcertreq, cacertreq, 1012 data->servercert, 1013 args->certhostname, 1014 args->certipaddr); 1015 1016 qtest_qmp_assert_success(from, 1017 "{ 'execute': 'object-add'," 1018 " 'arguments': { 'qom-type': 'tls-creds-x509'," 1019 " 'id': 'tlscredsx509client0'," 1020 " 'endpoint': 'client'," 1021 " 'dir': %s," 1022 " 'sanity-check': true," 1023 " 'verify-peer': true} }", 1024 data->workdir); 1025 migrate_set_parameter_str(from, "tls-creds", "tlscredsx509client0"); 1026 if (args->certhostname) { 1027 migrate_set_parameter_str(from, "tls-hostname", args->certhostname); 1028 } 1029 1030 qtest_qmp_assert_success(to, 1031 "{ 'execute': 'object-add'," 1032 " 'arguments': { 'qom-type': 'tls-creds-x509'," 1033 " 'id': 'tlscredsx509server0'," 1034 " 'endpoint': 'server'," 1035 " 'dir': %s," 1036 " 'sanity-check': true," 1037 " 'verify-peer': %i} }", 1038 data->workdir, args->verifyclient); 1039 migrate_set_parameter_str(to, "tls-creds", "tlscredsx509server0"); 1040 1041 if (args->authzclient) { 1042 qtest_qmp_assert_success(to, 1043 "{ 'execute': 'object-add'," 1044 " 'arguments': { 'qom-type': 'authz-simple'," 1045 " 'id': 'tlsauthz0'," 1046 " 'identity': %s} }", 1047 "CN=" QCRYPTO_TLS_TEST_CLIENT_NAME); 1048 migrate_set_parameter_str(to, "tls-authz", "tlsauthz0"); 1049 } 1050 1051 return data; 1052 } 1053 1054 /* 1055 * The normal case: match server's cert hostname against 1056 * whatever host we were telling QEMU to connect to (if any) 1057 */ 1058 static void * 1059 test_migrate_tls_x509_start_default_host(QTestState *from, 1060 QTestState *to) 1061 { 1062 TestMigrateTLSX509 args = { 1063 .verifyclient = true, 1064 .clientcert = true, 1065 .certipaddr = "127.0.0.1" 1066 }; 1067 return test_migrate_tls_x509_start_common(from, to, &args); 1068 } 1069 1070 /* 1071 * The unusual case: the server's cert is different from 1072 * the address we're telling QEMU to connect to (if any), 1073 * so we must give QEMU an explicit hostname to validate 1074 */ 1075 static void * 1076 test_migrate_tls_x509_start_override_host(QTestState *from, 1077 QTestState *to) 1078 { 1079 TestMigrateTLSX509 args = { 1080 .verifyclient = true, 1081 .clientcert = true, 1082 .certhostname = "qemu.org", 1083 }; 1084 return test_migrate_tls_x509_start_common(from, to, &args); 1085 } 1086 1087 /* 1088 * The unusual case: the server's cert is different from 1089 * the address we're telling QEMU to connect to, and so we 1090 * expect the client to reject the server 1091 */ 1092 static void * 1093 test_migrate_tls_x509_start_mismatch_host(QTestState *from, 1094 QTestState *to) 1095 { 1096 TestMigrateTLSX509 args = { 1097 .verifyclient = true, 1098 .clientcert = true, 1099 .certipaddr = "10.0.0.1", 1100 }; 1101 return test_migrate_tls_x509_start_common(from, to, &args); 1102 } 1103 1104 static void * 1105 test_migrate_tls_x509_start_friendly_client(QTestState *from, 1106 QTestState *to) 1107 { 1108 TestMigrateTLSX509 args = { 1109 .verifyclient = true, 1110 .clientcert = true, 1111 .authzclient = true, 1112 .certipaddr = "127.0.0.1", 1113 }; 1114 return test_migrate_tls_x509_start_common(from, to, &args); 1115 } 1116 1117 static void * 1118 test_migrate_tls_x509_start_hostile_client(QTestState *from, 1119 QTestState *to) 1120 { 1121 TestMigrateTLSX509 args = { 1122 .verifyclient = true, 1123 .clientcert = true, 1124 .hostileclient = true, 1125 .authzclient = true, 1126 .certipaddr = "127.0.0.1", 1127 }; 1128 return test_migrate_tls_x509_start_common(from, to, &args); 1129 } 1130 1131 /* 1132 * The case with no client certificate presented, 1133 * and no server verification 1134 */ 1135 static void * 1136 test_migrate_tls_x509_start_allow_anon_client(QTestState *from, 1137 QTestState *to) 1138 { 1139 TestMigrateTLSX509 args = { 1140 .certipaddr = "127.0.0.1", 1141 }; 1142 return test_migrate_tls_x509_start_common(from, to, &args); 1143 } 1144 1145 /* 1146 * The case with no client certificate presented, 1147 * and server verification rejecting 1148 */ 1149 static void * 1150 test_migrate_tls_x509_start_reject_anon_client(QTestState *from, 1151 QTestState *to) 1152 { 1153 TestMigrateTLSX509 args = { 1154 .verifyclient = true, 1155 .certipaddr = "127.0.0.1", 1156 }; 1157 return test_migrate_tls_x509_start_common(from, to, &args); 1158 } 1159 1160 static void 1161 test_migrate_tls_x509_finish(QTestState *from, 1162 QTestState *to, 1163 void *opaque) 1164 { 1165 TestMigrateTLSX509Data *data = opaque; 1166 1167 test_tls_cleanup(data->keyfile); 1168 g_free(data->keyfile); 1169 1170 unlink(data->cacert); 1171 g_free(data->cacert); 1172 unlink(data->servercert); 1173 g_free(data->servercert); 1174 unlink(data->serverkey); 1175 g_free(data->serverkey); 1176 1177 if (data->clientcert) { 1178 unlink(data->clientcert); 1179 g_free(data->clientcert); 1180 } 1181 if (data->clientkey) { 1182 unlink(data->clientkey); 1183 g_free(data->clientkey); 1184 } 1185 1186 rmdir(data->workdir); 1187 g_free(data->workdir); 1188 1189 g_free(data); 1190 } 1191 #endif /* CONFIG_TASN1 */ 1192 #endif /* CONFIG_GNUTLS */ 1193 1194 static int migrate_postcopy_prepare(QTestState **from_ptr, 1195 QTestState **to_ptr, 1196 MigrateCommon *args) 1197 { 1198 QTestState *from, *to; 1199 1200 if (test_migrate_start(&from, &to, "defer", &args->start)) { 1201 return -1; 1202 } 1203 1204 if (args->start_hook) { 1205 args->postcopy_data = args->start_hook(from, to); 1206 } 1207 1208 migrate_set_capability(from, "postcopy-ram", true); 1209 migrate_set_capability(to, "postcopy-ram", true); 1210 migrate_set_capability(to, "postcopy-blocktime", true); 1211 1212 if (args->postcopy_preempt) { 1213 migrate_set_capability(from, "postcopy-preempt", true); 1214 migrate_set_capability(to, "postcopy-preempt", true); 1215 } 1216 1217 migrate_ensure_non_converge(from); 1218 1219 migrate_prepare_for_dirty_mem(from); 1220 qtest_qmp_assert_success(to, "{ 'execute': 'migrate-incoming'," 1221 " 'arguments': { " 1222 " 'channels': [ { 'channel-type': 'main'," 1223 " 'addr': { 'transport': 'socket'," 1224 " 'type': 'inet'," 1225 " 'host': '127.0.0.1'," 1226 " 'port': '0' } } ] } }"); 1227 1228 /* Wait for the first serial output from the source */ 1229 wait_for_serial("src_serial"); 1230 wait_for_suspend(from, &src_state); 1231 1232 migrate_qmp(from, to, NULL, NULL, "{}"); 1233 1234 migrate_wait_for_dirty_mem(from, to); 1235 1236 *from_ptr = from; 1237 *to_ptr = to; 1238 1239 return 0; 1240 } 1241 1242 static void migrate_postcopy_complete(QTestState *from, QTestState *to, 1243 MigrateCommon *args) 1244 { 1245 wait_for_migration_complete(from); 1246 1247 if (args->start.suspend_me) { 1248 /* wakeup succeeds only if guest is suspended */ 1249 qtest_qmp_assert_success(to, "{'execute': 'system_wakeup'}"); 1250 } 1251 1252 /* Make sure we get at least one "B" on destination */ 1253 wait_for_serial("dest_serial"); 1254 1255 if (uffd_feature_thread_id) { 1256 read_blocktime(to); 1257 } 1258 1259 if (args->finish_hook) { 1260 args->finish_hook(from, to, args->postcopy_data); 1261 args->postcopy_data = NULL; 1262 } 1263 1264 test_migrate_end(from, to, true); 1265 } 1266 1267 static void test_postcopy_common(MigrateCommon *args) 1268 { 1269 QTestState *from, *to; 1270 1271 if (migrate_postcopy_prepare(&from, &to, args)) { 1272 return; 1273 } 1274 migrate_postcopy_start(from, to); 1275 migrate_postcopy_complete(from, to, args); 1276 } 1277 1278 static void test_postcopy(void) 1279 { 1280 MigrateCommon args = { }; 1281 1282 test_postcopy_common(&args); 1283 } 1284 1285 static void test_postcopy_suspend(void) 1286 { 1287 MigrateCommon args = { 1288 .start.suspend_me = true, 1289 }; 1290 1291 test_postcopy_common(&args); 1292 } 1293 1294 static void test_postcopy_preempt(void) 1295 { 1296 MigrateCommon args = { 1297 .postcopy_preempt = true, 1298 }; 1299 1300 test_postcopy_common(&args); 1301 } 1302 1303 #ifdef CONFIG_GNUTLS 1304 static void test_postcopy_tls_psk(void) 1305 { 1306 MigrateCommon args = { 1307 .start_hook = test_migrate_tls_psk_start_match, 1308 .finish_hook = test_migrate_tls_psk_finish, 1309 }; 1310 1311 test_postcopy_common(&args); 1312 } 1313 1314 static void test_postcopy_preempt_tls_psk(void) 1315 { 1316 MigrateCommon args = { 1317 .postcopy_preempt = true, 1318 .start_hook = test_migrate_tls_psk_start_match, 1319 .finish_hook = test_migrate_tls_psk_finish, 1320 }; 1321 1322 test_postcopy_common(&args); 1323 } 1324 #endif 1325 1326 static void wait_for_postcopy_status(QTestState *one, const char *status) 1327 { 1328 wait_for_migration_status(one, status, 1329 (const char * []) { "failed", "active", 1330 "completed", NULL }); 1331 } 1332 1333 #ifndef _WIN32 1334 static void postcopy_recover_fail(QTestState *from, QTestState *to) 1335 { 1336 int ret, pair1[2], pair2[2]; 1337 char c; 1338 1339 /* Create two unrelated socketpairs */ 1340 ret = qemu_socketpair(PF_LOCAL, SOCK_STREAM, 0, pair1); 1341 g_assert_cmpint(ret, ==, 0); 1342 1343 ret = qemu_socketpair(PF_LOCAL, SOCK_STREAM, 0, pair2); 1344 g_assert_cmpint(ret, ==, 0); 1345 1346 /* 1347 * Give the guests unpaired ends of the sockets, so they'll all blocked 1348 * at reading. This mimics a wrong channel established. 1349 */ 1350 qtest_qmp_fds_assert_success(from, &pair1[0], 1, 1351 "{ 'execute': 'getfd'," 1352 " 'arguments': { 'fdname': 'fd-mig' }}"); 1353 qtest_qmp_fds_assert_success(to, &pair2[0], 1, 1354 "{ 'execute': 'getfd'," 1355 " 'arguments': { 'fdname': 'fd-mig' }}"); 1356 1357 /* 1358 * Write the 1st byte as QEMU_VM_COMMAND (0x8) for the dest socket, to 1359 * emulate the 1st byte of a real recovery, but stops from there to 1360 * keep dest QEMU in RECOVER. This is needed so that we can kick off 1361 * the recover process on dest QEMU (by triggering the G_IO_IN event). 1362 * 1363 * NOTE: this trick is not needed on src QEMUs, because src doesn't 1364 * rely on an pre-existing G_IO_IN event, so it will always trigger the 1365 * upcoming recovery anyway even if it can read nothing. 1366 */ 1367 #define QEMU_VM_COMMAND 0x08 1368 c = QEMU_VM_COMMAND; 1369 ret = send(pair2[1], &c, 1, 0); 1370 g_assert_cmpint(ret, ==, 1); 1371 1372 migrate_recover(to, "fd:fd-mig"); 1373 migrate_qmp(from, to, "fd:fd-mig", NULL, "{'resume': true}"); 1374 1375 /* 1376 * Make sure both QEMU instances will go into RECOVER stage, then test 1377 * kicking them out using migrate-pause. 1378 */ 1379 wait_for_postcopy_status(from, "postcopy-recover"); 1380 wait_for_postcopy_status(to, "postcopy-recover"); 1381 1382 /* 1383 * This would be issued by the admin upon noticing the hang, we should 1384 * make sure we're able to kick this out. 1385 */ 1386 migrate_pause(from); 1387 wait_for_postcopy_status(from, "postcopy-paused"); 1388 1389 /* Do the same test on dest */ 1390 migrate_pause(to); 1391 wait_for_postcopy_status(to, "postcopy-paused"); 1392 1393 close(pair1[0]); 1394 close(pair1[1]); 1395 close(pair2[0]); 1396 close(pair2[1]); 1397 } 1398 #endif /* _WIN32 */ 1399 1400 static void test_postcopy_recovery_common(MigrateCommon *args) 1401 { 1402 QTestState *from, *to; 1403 g_autofree char *uri = NULL; 1404 1405 /* Always hide errors for postcopy recover tests since they're expected */ 1406 args->start.hide_stderr = true; 1407 1408 if (migrate_postcopy_prepare(&from, &to, args)) { 1409 return; 1410 } 1411 1412 /* Turn postcopy speed down, 4K/s is slow enough on any machines */ 1413 migrate_set_parameter_int(from, "max-postcopy-bandwidth", 4096); 1414 1415 /* Now we start the postcopy */ 1416 migrate_postcopy_start(from, to); 1417 1418 /* 1419 * Wait until postcopy is really started; we can only run the 1420 * migrate-pause command during a postcopy 1421 */ 1422 wait_for_migration_status(from, "postcopy-active", NULL); 1423 1424 /* 1425 * Manually stop the postcopy migration. This emulates a network 1426 * failure with the migration socket 1427 */ 1428 migrate_pause(from); 1429 1430 /* 1431 * Wait for destination side to reach postcopy-paused state. The 1432 * migrate-recover command can only succeed if destination machine 1433 * is in the paused state 1434 */ 1435 wait_for_postcopy_status(to, "postcopy-paused"); 1436 wait_for_postcopy_status(from, "postcopy-paused"); 1437 1438 #ifndef _WIN32 1439 if (args->postcopy_recovery_test_fail) { 1440 /* 1441 * Test when a wrong socket specified for recover, and then the 1442 * ability to kick it out, and continue with a correct socket. 1443 */ 1444 postcopy_recover_fail(from, to); 1445 /* continue with a good recovery */ 1446 } 1447 #endif /* _WIN32 */ 1448 1449 /* 1450 * Create a new socket to emulate a new channel that is different 1451 * from the broken migration channel; tell the destination to 1452 * listen to the new port 1453 */ 1454 uri = g_strdup_printf("unix:%s/migsocket-recover", tmpfs); 1455 migrate_recover(to, uri); 1456 1457 /* 1458 * Try to rebuild the migration channel using the resume flag and 1459 * the newly created channel 1460 */ 1461 migrate_qmp(from, to, uri, NULL, "{'resume': true}"); 1462 1463 /* Restore the postcopy bandwidth to unlimited */ 1464 migrate_set_parameter_int(from, "max-postcopy-bandwidth", 0); 1465 1466 migrate_postcopy_complete(from, to, args); 1467 } 1468 1469 static void test_postcopy_recovery(void) 1470 { 1471 MigrateCommon args = { }; 1472 1473 test_postcopy_recovery_common(&args); 1474 } 1475 1476 #ifndef _WIN32 1477 static void test_postcopy_recovery_double_fail(void) 1478 { 1479 MigrateCommon args = { 1480 .postcopy_recovery_test_fail = true, 1481 }; 1482 1483 test_postcopy_recovery_common(&args); 1484 } 1485 #endif /* _WIN32 */ 1486 1487 #ifdef CONFIG_GNUTLS 1488 static void test_postcopy_recovery_tls_psk(void) 1489 { 1490 MigrateCommon args = { 1491 .start_hook = test_migrate_tls_psk_start_match, 1492 .finish_hook = test_migrate_tls_psk_finish, 1493 }; 1494 1495 test_postcopy_recovery_common(&args); 1496 } 1497 #endif 1498 1499 static void test_postcopy_preempt_recovery(void) 1500 { 1501 MigrateCommon args = { 1502 .postcopy_preempt = true, 1503 }; 1504 1505 test_postcopy_recovery_common(&args); 1506 } 1507 1508 #ifdef CONFIG_GNUTLS 1509 /* This contains preempt+recovery+tls test altogether */ 1510 static void test_postcopy_preempt_all(void) 1511 { 1512 MigrateCommon args = { 1513 .postcopy_preempt = true, 1514 .start_hook = test_migrate_tls_psk_start_match, 1515 .finish_hook = test_migrate_tls_psk_finish, 1516 }; 1517 1518 test_postcopy_recovery_common(&args); 1519 } 1520 1521 #endif 1522 1523 static void test_baddest(void) 1524 { 1525 MigrateStart args = { 1526 .hide_stderr = true 1527 }; 1528 QTestState *from, *to; 1529 1530 if (test_migrate_start(&from, &to, "tcp:127.0.0.1:0", &args)) { 1531 return; 1532 } 1533 migrate_qmp(from, to, "tcp:127.0.0.1:0", NULL, "{}"); 1534 wait_for_migration_fail(from, false); 1535 test_migrate_end(from, to, false); 1536 } 1537 1538 #ifndef _WIN32 1539 static void test_analyze_script(void) 1540 { 1541 MigrateStart args = { 1542 .opts_source = "-uuid 11111111-1111-1111-1111-111111111111", 1543 }; 1544 QTestState *from, *to; 1545 g_autofree char *uri = NULL; 1546 g_autofree char *file = NULL; 1547 int pid, wstatus; 1548 const char *python = g_getenv("PYTHON"); 1549 1550 if (!python) { 1551 g_test_skip("PYTHON variable not set"); 1552 return; 1553 } 1554 1555 /* dummy url */ 1556 if (test_migrate_start(&from, &to, "tcp:127.0.0.1:0", &args)) { 1557 return; 1558 } 1559 1560 /* 1561 * Setting these two capabilities causes the "configuration" 1562 * vmstate to include subsections for them. The script needs to 1563 * parse those subsections properly. 1564 */ 1565 migrate_set_capability(from, "validate-uuid", true); 1566 migrate_set_capability(from, "x-ignore-shared", true); 1567 1568 file = g_strdup_printf("%s/migfile", tmpfs); 1569 uri = g_strdup_printf("exec:cat > %s", file); 1570 1571 migrate_ensure_converge(from); 1572 migrate_qmp(from, to, uri, NULL, "{}"); 1573 wait_for_migration_complete(from); 1574 1575 pid = fork(); 1576 if (!pid) { 1577 close(1); 1578 open("/dev/null", O_WRONLY); 1579 execl(python, python, ANALYZE_SCRIPT, "-f", file, NULL); 1580 g_assert_not_reached(); 1581 } 1582 1583 g_assert(waitpid(pid, &wstatus, 0) == pid); 1584 if (!WIFEXITED(wstatus) || WEXITSTATUS(wstatus) != 0) { 1585 g_test_message("Failed to analyze the migration stream"); 1586 g_test_fail(); 1587 } 1588 test_migrate_end(from, to, false); 1589 cleanup("migfile"); 1590 } 1591 #endif 1592 1593 static void test_precopy_common(MigrateCommon *args) 1594 { 1595 QTestState *from, *to; 1596 void *data_hook = NULL; 1597 1598 if (test_migrate_start(&from, &to, args->listen_uri, &args->start)) { 1599 return; 1600 } 1601 1602 if (args->start_hook) { 1603 data_hook = args->start_hook(from, to); 1604 } 1605 1606 /* Wait for the first serial output from the source */ 1607 if (args->result == MIG_TEST_SUCCEED) { 1608 wait_for_serial("src_serial"); 1609 wait_for_suspend(from, &src_state); 1610 } 1611 1612 if (args->live) { 1613 migrate_ensure_non_converge(from); 1614 migrate_prepare_for_dirty_mem(from); 1615 } else { 1616 /* 1617 * Testing non-live migration, we allow it to run at 1618 * full speed to ensure short test case duration. 1619 * For tests expected to fail, we don't need to 1620 * change anything. 1621 */ 1622 if (args->result == MIG_TEST_SUCCEED) { 1623 qtest_qmp_assert_success(from, "{ 'execute' : 'stop'}"); 1624 wait_for_stop(from, &src_state); 1625 migrate_ensure_converge(from); 1626 } 1627 } 1628 1629 if (args->result == MIG_TEST_QMP_ERROR) { 1630 migrate_qmp_fail(from, args->connect_uri, args->connect_channels, "{}"); 1631 goto finish; 1632 } 1633 1634 migrate_qmp(from, to, args->connect_uri, args->connect_channels, "{}"); 1635 1636 if (args->result != MIG_TEST_SUCCEED) { 1637 bool allow_active = args->result == MIG_TEST_FAIL; 1638 wait_for_migration_fail(from, allow_active); 1639 1640 if (args->result == MIG_TEST_FAIL_DEST_QUIT_ERR) { 1641 qtest_set_expected_status(to, EXIT_FAILURE); 1642 } 1643 } else { 1644 if (args->live) { 1645 /* 1646 * For initial iteration(s) we must do a full pass, 1647 * but for the final iteration, we need only wait 1648 * for some dirty mem before switching to converge 1649 */ 1650 while (args->iterations > 1) { 1651 wait_for_migration_pass(from); 1652 args->iterations--; 1653 } 1654 migrate_wait_for_dirty_mem(from, to); 1655 1656 migrate_ensure_converge(from); 1657 1658 /* 1659 * We do this first, as it has a timeout to stop us 1660 * hanging forever if migration didn't converge 1661 */ 1662 wait_for_migration_complete(from); 1663 1664 wait_for_stop(from, &src_state); 1665 1666 } else { 1667 wait_for_migration_complete(from); 1668 /* 1669 * Must wait for dst to finish reading all incoming 1670 * data on the socket before issuing 'cont' otherwise 1671 * it'll be ignored 1672 */ 1673 wait_for_migration_complete(to); 1674 1675 qtest_qmp_assert_success(to, "{ 'execute' : 'cont'}"); 1676 } 1677 1678 wait_for_resume(to, &dst_state); 1679 1680 if (args->start.suspend_me) { 1681 /* wakeup succeeds only if guest is suspended */ 1682 qtest_qmp_assert_success(to, "{'execute': 'system_wakeup'}"); 1683 } 1684 1685 wait_for_serial("dest_serial"); 1686 } 1687 1688 finish: 1689 if (args->finish_hook) { 1690 args->finish_hook(from, to, data_hook); 1691 } 1692 1693 test_migrate_end(from, to, args->result == MIG_TEST_SUCCEED); 1694 } 1695 1696 static void test_file_common(MigrateCommon *args, bool stop_src) 1697 { 1698 QTestState *from, *to; 1699 void *data_hook = NULL; 1700 1701 if (test_migrate_start(&from, &to, args->listen_uri, &args->start)) { 1702 return; 1703 } 1704 1705 /* 1706 * File migration is never live. We can keep the source VM running 1707 * during migration, but the destination will not be running 1708 * concurrently. 1709 */ 1710 g_assert_false(args->live); 1711 1712 if (args->start_hook) { 1713 data_hook = args->start_hook(from, to); 1714 } 1715 1716 migrate_ensure_converge(from); 1717 wait_for_serial("src_serial"); 1718 1719 if (stop_src) { 1720 qtest_qmp_assert_success(from, "{ 'execute' : 'stop'}"); 1721 wait_for_stop(from, &src_state); 1722 } 1723 1724 if (args->result == MIG_TEST_QMP_ERROR) { 1725 migrate_qmp_fail(from, args->connect_uri, NULL, "{}"); 1726 goto finish; 1727 } 1728 1729 migrate_qmp(from, to, args->connect_uri, NULL, "{}"); 1730 wait_for_migration_complete(from); 1731 1732 /* 1733 * We need to wait for the source to finish before starting the 1734 * destination. 1735 */ 1736 migrate_incoming_qmp(to, args->connect_uri, "{}"); 1737 wait_for_migration_complete(to); 1738 1739 if (stop_src) { 1740 qtest_qmp_assert_success(to, "{ 'execute' : 'cont'}"); 1741 } 1742 wait_for_resume(to, &dst_state); 1743 1744 wait_for_serial("dest_serial"); 1745 1746 finish: 1747 if (args->finish_hook) { 1748 args->finish_hook(from, to, data_hook); 1749 } 1750 1751 test_migrate_end(from, to, args->result == MIG_TEST_SUCCEED); 1752 } 1753 1754 static void test_precopy_unix_plain(void) 1755 { 1756 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1757 MigrateCommon args = { 1758 .listen_uri = uri, 1759 .connect_uri = uri, 1760 /* 1761 * The simplest use case of precopy, covering smoke tests of 1762 * get-dirty-log dirty tracking. 1763 */ 1764 .live = true, 1765 }; 1766 1767 test_precopy_common(&args); 1768 } 1769 1770 static void test_precopy_unix_suspend_live(void) 1771 { 1772 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1773 MigrateCommon args = { 1774 .listen_uri = uri, 1775 .connect_uri = uri, 1776 /* 1777 * despite being live, the test is fast because the src 1778 * suspends immediately. 1779 */ 1780 .live = true, 1781 .start.suspend_me = true, 1782 }; 1783 1784 test_precopy_common(&args); 1785 } 1786 1787 static void test_precopy_unix_suspend_notlive(void) 1788 { 1789 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1790 MigrateCommon args = { 1791 .listen_uri = uri, 1792 .connect_uri = uri, 1793 .start.suspend_me = true, 1794 }; 1795 1796 test_precopy_common(&args); 1797 } 1798 1799 static void test_precopy_unix_dirty_ring(void) 1800 { 1801 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1802 MigrateCommon args = { 1803 .start = { 1804 .use_dirty_ring = true, 1805 }, 1806 .listen_uri = uri, 1807 .connect_uri = uri, 1808 /* 1809 * Besides the precopy/unix basic test, cover dirty ring interface 1810 * rather than get-dirty-log. 1811 */ 1812 .live = true, 1813 }; 1814 1815 test_precopy_common(&args); 1816 } 1817 1818 #ifdef CONFIG_GNUTLS 1819 static void test_precopy_unix_tls_psk(void) 1820 { 1821 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1822 MigrateCommon args = { 1823 .connect_uri = uri, 1824 .listen_uri = uri, 1825 .start_hook = test_migrate_tls_psk_start_match, 1826 .finish_hook = test_migrate_tls_psk_finish, 1827 }; 1828 1829 test_precopy_common(&args); 1830 } 1831 1832 #ifdef CONFIG_TASN1 1833 static void test_precopy_unix_tls_x509_default_host(void) 1834 { 1835 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1836 MigrateCommon args = { 1837 .start = { 1838 .hide_stderr = true, 1839 }, 1840 .connect_uri = uri, 1841 .listen_uri = uri, 1842 .start_hook = test_migrate_tls_x509_start_default_host, 1843 .finish_hook = test_migrate_tls_x509_finish, 1844 .result = MIG_TEST_FAIL_DEST_QUIT_ERR, 1845 }; 1846 1847 test_precopy_common(&args); 1848 } 1849 1850 static void test_precopy_unix_tls_x509_override_host(void) 1851 { 1852 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1853 MigrateCommon args = { 1854 .connect_uri = uri, 1855 .listen_uri = uri, 1856 .start_hook = test_migrate_tls_x509_start_override_host, 1857 .finish_hook = test_migrate_tls_x509_finish, 1858 }; 1859 1860 test_precopy_common(&args); 1861 } 1862 #endif /* CONFIG_TASN1 */ 1863 #endif /* CONFIG_GNUTLS */ 1864 1865 #if 0 1866 /* Currently upset on aarch64 TCG */ 1867 static void test_ignore_shared(void) 1868 { 1869 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1870 QTestState *from, *to; 1871 1872 if (test_migrate_start(&from, &to, uri, false, true, NULL, NULL)) { 1873 return; 1874 } 1875 1876 migrate_ensure_non_converge(from); 1877 migrate_prepare_for_dirty_mem(from); 1878 1879 migrate_set_capability(from, "x-ignore-shared", true); 1880 migrate_set_capability(to, "x-ignore-shared", true); 1881 1882 /* Wait for the first serial output from the source */ 1883 wait_for_serial("src_serial"); 1884 1885 migrate_qmp(from, to, uri, NULL, "{}"); 1886 1887 migrate_wait_for_dirty_mem(from, to); 1888 1889 wait_for_stop(from, &src_state); 1890 1891 qtest_qmp_eventwait(to, "RESUME"); 1892 1893 wait_for_serial("dest_serial"); 1894 wait_for_migration_complete(from); 1895 1896 /* Check whether shared RAM has been really skipped */ 1897 g_assert_cmpint(read_ram_property_int(from, "transferred"), <, 1024 * 1024); 1898 1899 test_migrate_end(from, to, true); 1900 } 1901 #endif 1902 1903 static void * 1904 test_migrate_xbzrle_start(QTestState *from, 1905 QTestState *to) 1906 { 1907 migrate_set_parameter_int(from, "xbzrle-cache-size", 33554432); 1908 1909 migrate_set_capability(from, "xbzrle", true); 1910 migrate_set_capability(to, "xbzrle", true); 1911 1912 return NULL; 1913 } 1914 1915 static void test_precopy_unix_xbzrle(void) 1916 { 1917 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 1918 MigrateCommon args = { 1919 .connect_uri = uri, 1920 .listen_uri = uri, 1921 .start_hook = test_migrate_xbzrle_start, 1922 .iterations = 2, 1923 /* 1924 * XBZRLE needs pages to be modified when doing the 2nd+ round 1925 * iteration to have real data pushed to the stream. 1926 */ 1927 .live = true, 1928 }; 1929 1930 test_precopy_common(&args); 1931 } 1932 1933 static void test_precopy_file(void) 1934 { 1935 g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, 1936 FILE_TEST_FILENAME); 1937 MigrateCommon args = { 1938 .connect_uri = uri, 1939 .listen_uri = "defer", 1940 }; 1941 1942 test_file_common(&args, true); 1943 } 1944 1945 static void file_offset_finish_hook(QTestState *from, QTestState *to, 1946 void *opaque) 1947 { 1948 #if defined(__linux__) 1949 g_autofree char *path = g_strdup_printf("%s/%s", tmpfs, FILE_TEST_FILENAME); 1950 size_t size = FILE_TEST_OFFSET + sizeof(QEMU_VM_FILE_MAGIC); 1951 uintptr_t *addr, *p; 1952 int fd; 1953 1954 fd = open(path, O_RDONLY); 1955 g_assert(fd != -1); 1956 addr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); 1957 g_assert(addr != MAP_FAILED); 1958 1959 /* 1960 * Ensure the skipped offset contains zeros and the migration 1961 * stream starts at the right place. 1962 */ 1963 p = addr; 1964 while (p < addr + FILE_TEST_OFFSET / sizeof(uintptr_t)) { 1965 g_assert(*p == 0); 1966 p++; 1967 } 1968 g_assert_cmpint(cpu_to_be64(*p) >> 32, ==, QEMU_VM_FILE_MAGIC); 1969 1970 munmap(addr, size); 1971 close(fd); 1972 #endif 1973 } 1974 1975 static void test_precopy_file_offset(void) 1976 { 1977 g_autofree char *uri = g_strdup_printf("file:%s/%s,offset=%d", tmpfs, 1978 FILE_TEST_FILENAME, 1979 FILE_TEST_OFFSET); 1980 MigrateCommon args = { 1981 .connect_uri = uri, 1982 .listen_uri = "defer", 1983 .finish_hook = file_offset_finish_hook, 1984 }; 1985 1986 test_file_common(&args, false); 1987 } 1988 1989 static void test_precopy_file_offset_bad(void) 1990 { 1991 /* using a value not supported by qemu_strtosz() */ 1992 g_autofree char *uri = g_strdup_printf("file:%s/%s,offset=0x20M", 1993 tmpfs, FILE_TEST_FILENAME); 1994 MigrateCommon args = { 1995 .connect_uri = uri, 1996 .listen_uri = "defer", 1997 .result = MIG_TEST_QMP_ERROR, 1998 }; 1999 2000 test_file_common(&args, false); 2001 } 2002 2003 static void *test_mode_reboot_start(QTestState *from, QTestState *to) 2004 { 2005 migrate_set_parameter_str(from, "mode", "cpr-reboot"); 2006 migrate_set_parameter_str(to, "mode", "cpr-reboot"); 2007 2008 migrate_set_capability(from, "x-ignore-shared", true); 2009 migrate_set_capability(to, "x-ignore-shared", true); 2010 2011 return NULL; 2012 } 2013 2014 static void *migrate_mapped_ram_start(QTestState *from, QTestState *to) 2015 { 2016 migrate_set_capability(from, "mapped-ram", true); 2017 migrate_set_capability(to, "mapped-ram", true); 2018 2019 return NULL; 2020 } 2021 2022 static void test_mode_reboot(void) 2023 { 2024 g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, 2025 FILE_TEST_FILENAME); 2026 MigrateCommon args = { 2027 .start.use_shmem = true, 2028 .connect_uri = uri, 2029 .listen_uri = "defer", 2030 .start_hook = test_mode_reboot_start 2031 }; 2032 2033 test_file_common(&args, true); 2034 } 2035 2036 static void test_precopy_file_mapped_ram_live(void) 2037 { 2038 g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, 2039 FILE_TEST_FILENAME); 2040 MigrateCommon args = { 2041 .connect_uri = uri, 2042 .listen_uri = "defer", 2043 .start_hook = migrate_mapped_ram_start, 2044 }; 2045 2046 test_file_common(&args, false); 2047 } 2048 2049 static void test_precopy_file_mapped_ram(void) 2050 { 2051 g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, 2052 FILE_TEST_FILENAME); 2053 MigrateCommon args = { 2054 .connect_uri = uri, 2055 .listen_uri = "defer", 2056 .start_hook = migrate_mapped_ram_start, 2057 }; 2058 2059 test_file_common(&args, true); 2060 } 2061 2062 static void *migrate_multifd_mapped_ram_start(QTestState *from, QTestState *to) 2063 { 2064 migrate_mapped_ram_start(from, to); 2065 2066 migrate_set_parameter_int(from, "multifd-channels", 4); 2067 migrate_set_parameter_int(to, "multifd-channels", 4); 2068 2069 migrate_set_capability(from, "multifd", true); 2070 migrate_set_capability(to, "multifd", true); 2071 2072 return NULL; 2073 } 2074 2075 static void test_multifd_file_mapped_ram_live(void) 2076 { 2077 g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, 2078 FILE_TEST_FILENAME); 2079 MigrateCommon args = { 2080 .connect_uri = uri, 2081 .listen_uri = "defer", 2082 .start_hook = migrate_multifd_mapped_ram_start, 2083 }; 2084 2085 test_file_common(&args, false); 2086 } 2087 2088 static void test_multifd_file_mapped_ram(void) 2089 { 2090 g_autofree char *uri = g_strdup_printf("file:%s/%s", tmpfs, 2091 FILE_TEST_FILENAME); 2092 MigrateCommon args = { 2093 .connect_uri = uri, 2094 .listen_uri = "defer", 2095 .start_hook = migrate_multifd_mapped_ram_start, 2096 }; 2097 2098 test_file_common(&args, true); 2099 } 2100 2101 2102 static void test_precopy_tcp_plain(void) 2103 { 2104 MigrateCommon args = { 2105 .listen_uri = "tcp:127.0.0.1:0", 2106 }; 2107 2108 test_precopy_common(&args); 2109 } 2110 2111 static void *test_migrate_switchover_ack_start(QTestState *from, QTestState *to) 2112 { 2113 2114 migrate_set_capability(from, "return-path", true); 2115 migrate_set_capability(to, "return-path", true); 2116 2117 migrate_set_capability(from, "switchover-ack", true); 2118 migrate_set_capability(to, "switchover-ack", true); 2119 2120 return NULL; 2121 } 2122 2123 static void test_precopy_tcp_switchover_ack(void) 2124 { 2125 MigrateCommon args = { 2126 .listen_uri = "tcp:127.0.0.1:0", 2127 .start_hook = test_migrate_switchover_ack_start, 2128 /* 2129 * Source VM must be running in order to consider the switchover ACK 2130 * when deciding to do switchover or not. 2131 */ 2132 .live = true, 2133 }; 2134 2135 test_precopy_common(&args); 2136 } 2137 2138 #ifdef CONFIG_GNUTLS 2139 static void test_precopy_tcp_tls_psk_match(void) 2140 { 2141 MigrateCommon args = { 2142 .listen_uri = "tcp:127.0.0.1:0", 2143 .start_hook = test_migrate_tls_psk_start_match, 2144 .finish_hook = test_migrate_tls_psk_finish, 2145 }; 2146 2147 test_precopy_common(&args); 2148 } 2149 2150 static void test_precopy_tcp_tls_psk_mismatch(void) 2151 { 2152 MigrateCommon args = { 2153 .start = { 2154 .hide_stderr = true, 2155 }, 2156 .listen_uri = "tcp:127.0.0.1:0", 2157 .start_hook = test_migrate_tls_psk_start_mismatch, 2158 .finish_hook = test_migrate_tls_psk_finish, 2159 .result = MIG_TEST_FAIL, 2160 }; 2161 2162 test_precopy_common(&args); 2163 } 2164 2165 #ifdef CONFIG_TASN1 2166 static void test_precopy_tcp_tls_x509_default_host(void) 2167 { 2168 MigrateCommon args = { 2169 .listen_uri = "tcp:127.0.0.1:0", 2170 .start_hook = test_migrate_tls_x509_start_default_host, 2171 .finish_hook = test_migrate_tls_x509_finish, 2172 }; 2173 2174 test_precopy_common(&args); 2175 } 2176 2177 static void test_precopy_tcp_tls_x509_override_host(void) 2178 { 2179 MigrateCommon args = { 2180 .listen_uri = "tcp:127.0.0.1:0", 2181 .start_hook = test_migrate_tls_x509_start_override_host, 2182 .finish_hook = test_migrate_tls_x509_finish, 2183 }; 2184 2185 test_precopy_common(&args); 2186 } 2187 2188 static void test_precopy_tcp_tls_x509_mismatch_host(void) 2189 { 2190 MigrateCommon args = { 2191 .start = { 2192 .hide_stderr = true, 2193 }, 2194 .listen_uri = "tcp:127.0.0.1:0", 2195 .start_hook = test_migrate_tls_x509_start_mismatch_host, 2196 .finish_hook = test_migrate_tls_x509_finish, 2197 .result = MIG_TEST_FAIL_DEST_QUIT_ERR, 2198 }; 2199 2200 test_precopy_common(&args); 2201 } 2202 2203 static void test_precopy_tcp_tls_x509_friendly_client(void) 2204 { 2205 MigrateCommon args = { 2206 .listen_uri = "tcp:127.0.0.1:0", 2207 .start_hook = test_migrate_tls_x509_start_friendly_client, 2208 .finish_hook = test_migrate_tls_x509_finish, 2209 }; 2210 2211 test_precopy_common(&args); 2212 } 2213 2214 static void test_precopy_tcp_tls_x509_hostile_client(void) 2215 { 2216 MigrateCommon args = { 2217 .start = { 2218 .hide_stderr = true, 2219 }, 2220 .listen_uri = "tcp:127.0.0.1:0", 2221 .start_hook = test_migrate_tls_x509_start_hostile_client, 2222 .finish_hook = test_migrate_tls_x509_finish, 2223 .result = MIG_TEST_FAIL, 2224 }; 2225 2226 test_precopy_common(&args); 2227 } 2228 2229 static void test_precopy_tcp_tls_x509_allow_anon_client(void) 2230 { 2231 MigrateCommon args = { 2232 .listen_uri = "tcp:127.0.0.1:0", 2233 .start_hook = test_migrate_tls_x509_start_allow_anon_client, 2234 .finish_hook = test_migrate_tls_x509_finish, 2235 }; 2236 2237 test_precopy_common(&args); 2238 } 2239 2240 static void test_precopy_tcp_tls_x509_reject_anon_client(void) 2241 { 2242 MigrateCommon args = { 2243 .start = { 2244 .hide_stderr = true, 2245 }, 2246 .listen_uri = "tcp:127.0.0.1:0", 2247 .start_hook = test_migrate_tls_x509_start_reject_anon_client, 2248 .finish_hook = test_migrate_tls_x509_finish, 2249 .result = MIG_TEST_FAIL, 2250 }; 2251 2252 test_precopy_common(&args); 2253 } 2254 #endif /* CONFIG_TASN1 */ 2255 #endif /* CONFIG_GNUTLS */ 2256 2257 #ifndef _WIN32 2258 static void *test_migrate_fd_start_hook(QTestState *from, 2259 QTestState *to) 2260 { 2261 int ret; 2262 int pair[2]; 2263 2264 /* Create two connected sockets for migration */ 2265 ret = qemu_socketpair(PF_LOCAL, SOCK_STREAM, 0, pair); 2266 g_assert_cmpint(ret, ==, 0); 2267 2268 /* Send the 1st socket to the target */ 2269 qtest_qmp_fds_assert_success(to, &pair[0], 1, 2270 "{ 'execute': 'getfd'," 2271 " 'arguments': { 'fdname': 'fd-mig' }}"); 2272 close(pair[0]); 2273 2274 /* Start incoming migration from the 1st socket */ 2275 migrate_incoming_qmp(to, "fd:fd-mig", "{}"); 2276 2277 /* Send the 2nd socket to the target */ 2278 qtest_qmp_fds_assert_success(from, &pair[1], 1, 2279 "{ 'execute': 'getfd'," 2280 " 'arguments': { 'fdname': 'fd-mig' }}"); 2281 close(pair[1]); 2282 2283 return NULL; 2284 } 2285 2286 static void test_migrate_fd_finish_hook(QTestState *from, 2287 QTestState *to, 2288 void *opaque) 2289 { 2290 QDict *rsp; 2291 const char *error_desc; 2292 2293 /* Test closing fds */ 2294 /* We assume, that QEMU removes named fd from its list, 2295 * so this should fail */ 2296 rsp = qtest_qmp(from, "{ 'execute': 'closefd'," 2297 " 'arguments': { 'fdname': 'fd-mig' }}"); 2298 g_assert_true(qdict_haskey(rsp, "error")); 2299 error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); 2300 g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); 2301 qobject_unref(rsp); 2302 2303 rsp = qtest_qmp(to, "{ 'execute': 'closefd'," 2304 " 'arguments': { 'fdname': 'fd-mig' }}"); 2305 g_assert_true(qdict_haskey(rsp, "error")); 2306 error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); 2307 g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); 2308 qobject_unref(rsp); 2309 } 2310 2311 static void test_migrate_precopy_fd_socket(void) 2312 { 2313 MigrateCommon args = { 2314 .listen_uri = "defer", 2315 .connect_uri = "fd:fd-mig", 2316 .start_hook = test_migrate_fd_start_hook, 2317 .finish_hook = test_migrate_fd_finish_hook 2318 }; 2319 test_precopy_common(&args); 2320 } 2321 2322 static void *migrate_precopy_fd_file_start(QTestState *from, QTestState *to) 2323 { 2324 g_autofree char *file = g_strdup_printf("%s/%s", tmpfs, FILE_TEST_FILENAME); 2325 int src_flags = O_CREAT | O_RDWR; 2326 int dst_flags = O_CREAT | O_RDWR; 2327 int fds[2]; 2328 2329 fds[0] = open(file, src_flags, 0660); 2330 assert(fds[0] != -1); 2331 2332 fds[1] = open(file, dst_flags, 0660); 2333 assert(fds[1] != -1); 2334 2335 2336 qtest_qmp_fds_assert_success(to, &fds[0], 1, 2337 "{ 'execute': 'getfd'," 2338 " 'arguments': { 'fdname': 'fd-mig' }}"); 2339 2340 qtest_qmp_fds_assert_success(from, &fds[1], 1, 2341 "{ 'execute': 'getfd'," 2342 " 'arguments': { 'fdname': 'fd-mig' }}"); 2343 2344 close(fds[0]); 2345 close(fds[1]); 2346 2347 return NULL; 2348 } 2349 2350 static void test_migrate_precopy_fd_file(void) 2351 { 2352 MigrateCommon args = { 2353 .listen_uri = "defer", 2354 .connect_uri = "fd:fd-mig", 2355 .start_hook = migrate_precopy_fd_file_start, 2356 .finish_hook = test_migrate_fd_finish_hook 2357 }; 2358 test_file_common(&args, true); 2359 } 2360 #endif /* _WIN32 */ 2361 2362 static void do_test_validate_uuid(MigrateStart *args, bool should_fail) 2363 { 2364 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 2365 QTestState *from, *to; 2366 2367 if (test_migrate_start(&from, &to, uri, args)) { 2368 return; 2369 } 2370 2371 /* 2372 * UUID validation is at the begin of migration. So, the main process of 2373 * migration is not interesting for us here. Thus, set huge downtime for 2374 * very fast migration. 2375 */ 2376 migrate_set_parameter_int(from, "downtime-limit", 1000000); 2377 migrate_set_capability(from, "validate-uuid", true); 2378 2379 /* Wait for the first serial output from the source */ 2380 wait_for_serial("src_serial"); 2381 2382 migrate_qmp(from, to, uri, NULL, "{}"); 2383 2384 if (should_fail) { 2385 qtest_set_expected_status(to, EXIT_FAILURE); 2386 wait_for_migration_fail(from, true); 2387 } else { 2388 wait_for_migration_complete(from); 2389 } 2390 2391 test_migrate_end(from, to, false); 2392 } 2393 2394 static void test_validate_uuid(void) 2395 { 2396 MigrateStart args = { 2397 .opts_source = "-uuid 11111111-1111-1111-1111-111111111111", 2398 .opts_target = "-uuid 11111111-1111-1111-1111-111111111111", 2399 }; 2400 2401 do_test_validate_uuid(&args, false); 2402 } 2403 2404 static void test_validate_uuid_error(void) 2405 { 2406 MigrateStart args = { 2407 .opts_source = "-uuid 11111111-1111-1111-1111-111111111111", 2408 .opts_target = "-uuid 22222222-2222-2222-2222-222222222222", 2409 .hide_stderr = true, 2410 }; 2411 2412 do_test_validate_uuid(&args, true); 2413 } 2414 2415 static void test_validate_uuid_src_not_set(void) 2416 { 2417 MigrateStart args = { 2418 .opts_target = "-uuid 22222222-2222-2222-2222-222222222222", 2419 .hide_stderr = true, 2420 }; 2421 2422 do_test_validate_uuid(&args, false); 2423 } 2424 2425 static void test_validate_uuid_dst_not_set(void) 2426 { 2427 MigrateStart args = { 2428 .opts_source = "-uuid 11111111-1111-1111-1111-111111111111", 2429 .hide_stderr = true, 2430 }; 2431 2432 do_test_validate_uuid(&args, false); 2433 } 2434 2435 static void do_test_validate_uri_channel(MigrateCommon *args) 2436 { 2437 QTestState *from, *to; 2438 2439 if (test_migrate_start(&from, &to, args->listen_uri, &args->start)) { 2440 return; 2441 } 2442 2443 /* Wait for the first serial output from the source */ 2444 wait_for_serial("src_serial"); 2445 2446 /* 2447 * 'uri' and 'channels' validation is checked even before the migration 2448 * starts. 2449 */ 2450 migrate_qmp_fail(from, args->connect_uri, args->connect_channels, "{}"); 2451 test_migrate_end(from, to, false); 2452 } 2453 2454 static void test_validate_uri_channels_both_set(void) 2455 { 2456 MigrateCommon args = { 2457 .start = { 2458 .hide_stderr = true, 2459 }, 2460 .listen_uri = "defer", 2461 .connect_uri = "tcp:127.0.0.1:0", 2462 .connect_channels = "[ { 'channel-type': 'main'," 2463 " 'addr': { 'transport': 'socket'," 2464 " 'type': 'inet'," 2465 " 'host': '127.0.0.1'," 2466 " 'port': '0' } } ]", 2467 }; 2468 2469 do_test_validate_uri_channel(&args); 2470 } 2471 2472 static void test_validate_uri_channels_none_set(void) 2473 { 2474 MigrateCommon args = { 2475 .start = { 2476 .hide_stderr = true, 2477 }, 2478 .listen_uri = "defer", 2479 }; 2480 2481 do_test_validate_uri_channel(&args); 2482 } 2483 2484 /* 2485 * The way auto_converge works, we need to do too many passes to 2486 * run this test. Auto_converge logic is only run once every 2487 * three iterations, so: 2488 * 2489 * - 3 iterations without auto_converge enabled 2490 * - 3 iterations with pct = 5 2491 * - 3 iterations with pct = 30 2492 * - 3 iterations with pct = 55 2493 * - 3 iterations with pct = 80 2494 * - 3 iterations with pct = 95 (max(95, 80 + 25)) 2495 * 2496 * To make things even worse, we need to run the initial stage at 2497 * 3MB/s so we enter autoconverge even when host is (over)loaded. 2498 */ 2499 static void test_migrate_auto_converge(void) 2500 { 2501 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 2502 MigrateStart args = {}; 2503 QTestState *from, *to; 2504 int64_t percentage; 2505 2506 /* 2507 * We want the test to be stable and as fast as possible. 2508 * E.g., with 1Gb/s bandwidth migration may pass without throttling, 2509 * so we need to decrease a bandwidth. 2510 */ 2511 const int64_t init_pct = 5, inc_pct = 25, max_pct = 95; 2512 2513 if (test_migrate_start(&from, &to, uri, &args)) { 2514 return; 2515 } 2516 2517 migrate_set_capability(from, "auto-converge", true); 2518 migrate_set_parameter_int(from, "cpu-throttle-initial", init_pct); 2519 migrate_set_parameter_int(from, "cpu-throttle-increment", inc_pct); 2520 migrate_set_parameter_int(from, "max-cpu-throttle", max_pct); 2521 2522 /* 2523 * Set the initial parameters so that the migration could not converge 2524 * without throttling. 2525 */ 2526 migrate_ensure_non_converge(from); 2527 2528 /* To check remaining size after precopy */ 2529 migrate_set_capability(from, "pause-before-switchover", true); 2530 2531 /* Wait for the first serial output from the source */ 2532 wait_for_serial("src_serial"); 2533 2534 migrate_qmp(from, to, uri, NULL, "{}"); 2535 2536 /* Wait for throttling begins */ 2537 percentage = 0; 2538 do { 2539 percentage = read_migrate_property_int(from, "cpu-throttle-percentage"); 2540 if (percentage != 0) { 2541 break; 2542 } 2543 usleep(20); 2544 g_assert_false(src_state.stop_seen); 2545 } while (true); 2546 /* The first percentage of throttling should be at least init_pct */ 2547 g_assert_cmpint(percentage, >=, init_pct); 2548 /* Now, when we tested that throttling works, let it converge */ 2549 migrate_ensure_converge(from); 2550 2551 /* 2552 * Wait for pre-switchover status to check last throttle percentage 2553 * and remaining. These values will be zeroed later 2554 */ 2555 wait_for_migration_status(from, "pre-switchover", NULL); 2556 2557 /* The final percentage of throttling shouldn't be greater than max_pct */ 2558 percentage = read_migrate_property_int(from, "cpu-throttle-percentage"); 2559 g_assert_cmpint(percentage, <=, max_pct); 2560 migrate_continue(from, "pre-switchover"); 2561 2562 qtest_qmp_eventwait(to, "RESUME"); 2563 2564 wait_for_serial("dest_serial"); 2565 wait_for_migration_complete(from); 2566 2567 test_migrate_end(from, to, true); 2568 } 2569 2570 static void * 2571 test_migrate_precopy_tcp_multifd_start_common(QTestState *from, 2572 QTestState *to, 2573 const char *method) 2574 { 2575 migrate_set_parameter_int(from, "multifd-channels", 16); 2576 migrate_set_parameter_int(to, "multifd-channels", 16); 2577 2578 migrate_set_parameter_str(from, "multifd-compression", method); 2579 migrate_set_parameter_str(to, "multifd-compression", method); 2580 2581 migrate_set_capability(from, "multifd", true); 2582 migrate_set_capability(to, "multifd", true); 2583 2584 /* Start incoming migration from the 1st socket */ 2585 migrate_incoming_qmp(to, "tcp:127.0.0.1:0", "{}"); 2586 2587 return NULL; 2588 } 2589 2590 static void * 2591 test_migrate_precopy_tcp_multifd_start(QTestState *from, 2592 QTestState *to) 2593 { 2594 return test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2595 } 2596 2597 static void * 2598 test_migrate_precopy_tcp_multifd_start_zero_page_legacy(QTestState *from, 2599 QTestState *to) 2600 { 2601 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2602 migrate_set_parameter_str(from, "zero-page-detection", "legacy"); 2603 return NULL; 2604 } 2605 2606 static void * 2607 test_migration_precopy_tcp_multifd_start_no_zero_page(QTestState *from, 2608 QTestState *to) 2609 { 2610 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2611 migrate_set_parameter_str(from, "zero-page-detection", "none"); 2612 return NULL; 2613 } 2614 2615 static void * 2616 test_migrate_precopy_tcp_multifd_zlib_start(QTestState *from, 2617 QTestState *to) 2618 { 2619 /* 2620 * Overloading this test to also check that set_parameter does not error. 2621 * This is also done in the tests for the other compression methods. 2622 */ 2623 migrate_set_parameter_int(from, "multifd-zlib-level", 2); 2624 migrate_set_parameter_int(to, "multifd-zlib-level", 2); 2625 2626 return test_migrate_precopy_tcp_multifd_start_common(from, to, "zlib"); 2627 } 2628 2629 #ifdef CONFIG_ZSTD 2630 static void * 2631 test_migrate_precopy_tcp_multifd_zstd_start(QTestState *from, 2632 QTestState *to) 2633 { 2634 migrate_set_parameter_int(from, "multifd-zstd-level", 2); 2635 migrate_set_parameter_int(to, "multifd-zstd-level", 2); 2636 2637 return test_migrate_precopy_tcp_multifd_start_common(from, to, "zstd"); 2638 } 2639 #endif /* CONFIG_ZSTD */ 2640 2641 #ifdef CONFIG_QPL 2642 static void * 2643 test_migrate_precopy_tcp_multifd_qpl_start(QTestState *from, 2644 QTestState *to) 2645 { 2646 return test_migrate_precopy_tcp_multifd_start_common(from, to, "qpl"); 2647 } 2648 #endif /* CONFIG_QPL */ 2649 2650 static void test_multifd_tcp_uri_none(void) 2651 { 2652 MigrateCommon args = { 2653 .listen_uri = "defer", 2654 .start_hook = test_migrate_precopy_tcp_multifd_start, 2655 /* 2656 * Multifd is more complicated than most of the features, it 2657 * directly takes guest page buffers when sending, make sure 2658 * everything will work alright even if guest page is changing. 2659 */ 2660 .live = true, 2661 }; 2662 test_precopy_common(&args); 2663 } 2664 2665 static void test_multifd_tcp_zero_page_legacy(void) 2666 { 2667 MigrateCommon args = { 2668 .listen_uri = "defer", 2669 .start_hook = test_migrate_precopy_tcp_multifd_start_zero_page_legacy, 2670 /* 2671 * Multifd is more complicated than most of the features, it 2672 * directly takes guest page buffers when sending, make sure 2673 * everything will work alright even if guest page is changing. 2674 */ 2675 .live = true, 2676 }; 2677 test_precopy_common(&args); 2678 } 2679 2680 static void test_multifd_tcp_no_zero_page(void) 2681 { 2682 MigrateCommon args = { 2683 .listen_uri = "defer", 2684 .start_hook = test_migration_precopy_tcp_multifd_start_no_zero_page, 2685 /* 2686 * Multifd is more complicated than most of the features, it 2687 * directly takes guest page buffers when sending, make sure 2688 * everything will work alright even if guest page is changing. 2689 */ 2690 .live = true, 2691 }; 2692 test_precopy_common(&args); 2693 } 2694 2695 static void test_multifd_tcp_channels_none(void) 2696 { 2697 MigrateCommon args = { 2698 .listen_uri = "defer", 2699 .start_hook = test_migrate_precopy_tcp_multifd_start, 2700 .live = true, 2701 .connect_channels = "[ { 'channel-type': 'main'," 2702 " 'addr': { 'transport': 'socket'," 2703 " 'type': 'inet'," 2704 " 'host': '127.0.0.1'," 2705 " 'port': '0' } } ]", 2706 }; 2707 test_precopy_common(&args); 2708 } 2709 2710 static void test_multifd_tcp_zlib(void) 2711 { 2712 MigrateCommon args = { 2713 .listen_uri = "defer", 2714 .start_hook = test_migrate_precopy_tcp_multifd_zlib_start, 2715 }; 2716 test_precopy_common(&args); 2717 } 2718 2719 #ifdef CONFIG_ZSTD 2720 static void test_multifd_tcp_zstd(void) 2721 { 2722 MigrateCommon args = { 2723 .listen_uri = "defer", 2724 .start_hook = test_migrate_precopy_tcp_multifd_zstd_start, 2725 }; 2726 test_precopy_common(&args); 2727 } 2728 #endif 2729 2730 #ifdef CONFIG_QPL 2731 static void test_multifd_tcp_qpl(void) 2732 { 2733 MigrateCommon args = { 2734 .listen_uri = "defer", 2735 .start_hook = test_migrate_precopy_tcp_multifd_qpl_start, 2736 }; 2737 test_precopy_common(&args); 2738 } 2739 #endif 2740 2741 #ifdef CONFIG_GNUTLS 2742 static void * 2743 test_migrate_multifd_tcp_tls_psk_start_match(QTestState *from, 2744 QTestState *to) 2745 { 2746 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2747 return test_migrate_tls_psk_start_match(from, to); 2748 } 2749 2750 static void * 2751 test_migrate_multifd_tcp_tls_psk_start_mismatch(QTestState *from, 2752 QTestState *to) 2753 { 2754 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2755 return test_migrate_tls_psk_start_mismatch(from, to); 2756 } 2757 2758 #ifdef CONFIG_TASN1 2759 static void * 2760 test_migrate_multifd_tls_x509_start_default_host(QTestState *from, 2761 QTestState *to) 2762 { 2763 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2764 return test_migrate_tls_x509_start_default_host(from, to); 2765 } 2766 2767 static void * 2768 test_migrate_multifd_tls_x509_start_override_host(QTestState *from, 2769 QTestState *to) 2770 { 2771 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2772 return test_migrate_tls_x509_start_override_host(from, to); 2773 } 2774 2775 static void * 2776 test_migrate_multifd_tls_x509_start_mismatch_host(QTestState *from, 2777 QTestState *to) 2778 { 2779 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2780 return test_migrate_tls_x509_start_mismatch_host(from, to); 2781 } 2782 2783 static void * 2784 test_migrate_multifd_tls_x509_start_allow_anon_client(QTestState *from, 2785 QTestState *to) 2786 { 2787 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2788 return test_migrate_tls_x509_start_allow_anon_client(from, to); 2789 } 2790 2791 static void * 2792 test_migrate_multifd_tls_x509_start_reject_anon_client(QTestState *from, 2793 QTestState *to) 2794 { 2795 test_migrate_precopy_tcp_multifd_start_common(from, to, "none"); 2796 return test_migrate_tls_x509_start_reject_anon_client(from, to); 2797 } 2798 #endif /* CONFIG_TASN1 */ 2799 2800 static void test_multifd_tcp_tls_psk_match(void) 2801 { 2802 MigrateCommon args = { 2803 .listen_uri = "defer", 2804 .start_hook = test_migrate_multifd_tcp_tls_psk_start_match, 2805 .finish_hook = test_migrate_tls_psk_finish, 2806 }; 2807 test_precopy_common(&args); 2808 } 2809 2810 static void test_multifd_tcp_tls_psk_mismatch(void) 2811 { 2812 MigrateCommon args = { 2813 .start = { 2814 .hide_stderr = true, 2815 }, 2816 .listen_uri = "defer", 2817 .start_hook = test_migrate_multifd_tcp_tls_psk_start_mismatch, 2818 .finish_hook = test_migrate_tls_psk_finish, 2819 .result = MIG_TEST_FAIL, 2820 }; 2821 test_precopy_common(&args); 2822 } 2823 2824 #ifdef CONFIG_TASN1 2825 static void test_multifd_tcp_tls_x509_default_host(void) 2826 { 2827 MigrateCommon args = { 2828 .listen_uri = "defer", 2829 .start_hook = test_migrate_multifd_tls_x509_start_default_host, 2830 .finish_hook = test_migrate_tls_x509_finish, 2831 }; 2832 test_precopy_common(&args); 2833 } 2834 2835 static void test_multifd_tcp_tls_x509_override_host(void) 2836 { 2837 MigrateCommon args = { 2838 .listen_uri = "defer", 2839 .start_hook = test_migrate_multifd_tls_x509_start_override_host, 2840 .finish_hook = test_migrate_tls_x509_finish, 2841 }; 2842 test_precopy_common(&args); 2843 } 2844 2845 static void test_multifd_tcp_tls_x509_mismatch_host(void) 2846 { 2847 /* 2848 * This has different behaviour to the non-multifd case. 2849 * 2850 * In non-multifd case when client aborts due to mismatched 2851 * cert host, the server has already started trying to load 2852 * migration state, and so it exits with I/O failure. 2853 * 2854 * In multifd case when client aborts due to mismatched 2855 * cert host, the server is still waiting for the other 2856 * multifd connections to arrive so hasn't started trying 2857 * to load migration state, and thus just aborts the migration 2858 * without exiting. 2859 */ 2860 MigrateCommon args = { 2861 .start = { 2862 .hide_stderr = true, 2863 }, 2864 .listen_uri = "defer", 2865 .start_hook = test_migrate_multifd_tls_x509_start_mismatch_host, 2866 .finish_hook = test_migrate_tls_x509_finish, 2867 .result = MIG_TEST_FAIL, 2868 }; 2869 test_precopy_common(&args); 2870 } 2871 2872 static void test_multifd_tcp_tls_x509_allow_anon_client(void) 2873 { 2874 MigrateCommon args = { 2875 .listen_uri = "defer", 2876 .start_hook = test_migrate_multifd_tls_x509_start_allow_anon_client, 2877 .finish_hook = test_migrate_tls_x509_finish, 2878 }; 2879 test_precopy_common(&args); 2880 } 2881 2882 static void test_multifd_tcp_tls_x509_reject_anon_client(void) 2883 { 2884 MigrateCommon args = { 2885 .start = { 2886 .hide_stderr = true, 2887 }, 2888 .listen_uri = "defer", 2889 .start_hook = test_migrate_multifd_tls_x509_start_reject_anon_client, 2890 .finish_hook = test_migrate_tls_x509_finish, 2891 .result = MIG_TEST_FAIL, 2892 }; 2893 test_precopy_common(&args); 2894 } 2895 #endif /* CONFIG_TASN1 */ 2896 #endif /* CONFIG_GNUTLS */ 2897 2898 /* 2899 * This test does: 2900 * source target 2901 * migrate_incoming 2902 * migrate 2903 * migrate_cancel 2904 * launch another target 2905 * migrate 2906 * 2907 * And see that it works 2908 */ 2909 static void test_multifd_tcp_cancel(void) 2910 { 2911 MigrateStart args = { 2912 .hide_stderr = true, 2913 }; 2914 QTestState *from, *to, *to2; 2915 2916 if (test_migrate_start(&from, &to, "defer", &args)) { 2917 return; 2918 } 2919 2920 migrate_ensure_non_converge(from); 2921 migrate_prepare_for_dirty_mem(from); 2922 2923 migrate_set_parameter_int(from, "multifd-channels", 16); 2924 migrate_set_parameter_int(to, "multifd-channels", 16); 2925 2926 migrate_set_capability(from, "multifd", true); 2927 migrate_set_capability(to, "multifd", true); 2928 2929 /* Start incoming migration from the 1st socket */ 2930 migrate_incoming_qmp(to, "tcp:127.0.0.1:0", "{}"); 2931 2932 /* Wait for the first serial output from the source */ 2933 wait_for_serial("src_serial"); 2934 2935 migrate_qmp(from, to, NULL, NULL, "{}"); 2936 2937 migrate_wait_for_dirty_mem(from, to); 2938 2939 migrate_cancel(from); 2940 2941 /* Make sure QEMU process "to" exited */ 2942 qtest_set_expected_status(to, EXIT_FAILURE); 2943 qtest_wait_qemu(to); 2944 2945 args = (MigrateStart){ 2946 .only_target = true, 2947 }; 2948 2949 if (test_migrate_start(&from, &to2, "defer", &args)) { 2950 return; 2951 } 2952 2953 migrate_set_parameter_int(to2, "multifd-channels", 16); 2954 2955 migrate_set_capability(to2, "multifd", true); 2956 2957 /* Start incoming migration from the 1st socket */ 2958 migrate_incoming_qmp(to2, "tcp:127.0.0.1:0", "{}"); 2959 2960 wait_for_migration_status(from, "cancelled", NULL); 2961 2962 migrate_ensure_non_converge(from); 2963 2964 migrate_qmp(from, to2, NULL, NULL, "{}"); 2965 2966 migrate_wait_for_dirty_mem(from, to2); 2967 2968 migrate_ensure_converge(from); 2969 2970 wait_for_stop(from, &src_state); 2971 qtest_qmp_eventwait(to2, "RESUME"); 2972 2973 wait_for_serial("dest_serial"); 2974 wait_for_migration_complete(from); 2975 test_migrate_end(from, to2, true); 2976 } 2977 2978 static void calc_dirty_rate(QTestState *who, uint64_t calc_time) 2979 { 2980 qtest_qmp_assert_success(who, 2981 "{ 'execute': 'calc-dirty-rate'," 2982 "'arguments': { " 2983 "'calc-time': %" PRIu64 "," 2984 "'mode': 'dirty-ring' }}", 2985 calc_time); 2986 } 2987 2988 static QDict *query_dirty_rate(QTestState *who) 2989 { 2990 return qtest_qmp_assert_success_ref(who, 2991 "{ 'execute': 'query-dirty-rate' }"); 2992 } 2993 2994 static void dirtylimit_set_all(QTestState *who, uint64_t dirtyrate) 2995 { 2996 qtest_qmp_assert_success(who, 2997 "{ 'execute': 'set-vcpu-dirty-limit'," 2998 "'arguments': { " 2999 "'dirty-rate': %" PRIu64 " } }", 3000 dirtyrate); 3001 } 3002 3003 static void cancel_vcpu_dirty_limit(QTestState *who) 3004 { 3005 qtest_qmp_assert_success(who, 3006 "{ 'execute': 'cancel-vcpu-dirty-limit' }"); 3007 } 3008 3009 static QDict *query_vcpu_dirty_limit(QTestState *who) 3010 { 3011 QDict *rsp; 3012 3013 rsp = qtest_qmp(who, "{ 'execute': 'query-vcpu-dirty-limit' }"); 3014 g_assert(!qdict_haskey(rsp, "error")); 3015 g_assert(qdict_haskey(rsp, "return")); 3016 3017 return rsp; 3018 } 3019 3020 static bool calc_dirtyrate_ready(QTestState *who) 3021 { 3022 QDict *rsp_return; 3023 gchar *status; 3024 3025 rsp_return = query_dirty_rate(who); 3026 g_assert(rsp_return); 3027 3028 status = g_strdup(qdict_get_str(rsp_return, "status")); 3029 g_assert(status); 3030 3031 return g_strcmp0(status, "measuring"); 3032 } 3033 3034 static void wait_for_calc_dirtyrate_complete(QTestState *who, 3035 int64_t time_s) 3036 { 3037 int max_try_count = 10000; 3038 usleep(time_s * 1000000); 3039 3040 while (!calc_dirtyrate_ready(who) && max_try_count--) { 3041 usleep(1000); 3042 } 3043 3044 /* 3045 * Set the timeout with 10 s(max_try_count * 1000us), 3046 * if dirtyrate measurement not complete, fail test. 3047 */ 3048 g_assert_cmpint(max_try_count, !=, 0); 3049 } 3050 3051 static int64_t get_dirty_rate(QTestState *who) 3052 { 3053 QDict *rsp_return; 3054 gchar *status; 3055 QList *rates; 3056 const QListEntry *entry; 3057 QDict *rate; 3058 int64_t dirtyrate; 3059 3060 rsp_return = query_dirty_rate(who); 3061 g_assert(rsp_return); 3062 3063 status = g_strdup(qdict_get_str(rsp_return, "status")); 3064 g_assert(status); 3065 g_assert_cmpstr(status, ==, "measured"); 3066 3067 rates = qdict_get_qlist(rsp_return, "vcpu-dirty-rate"); 3068 g_assert(rates && !qlist_empty(rates)); 3069 3070 entry = qlist_first(rates); 3071 g_assert(entry); 3072 3073 rate = qobject_to(QDict, qlist_entry_obj(entry)); 3074 g_assert(rate); 3075 3076 dirtyrate = qdict_get_try_int(rate, "dirty-rate", -1); 3077 3078 qobject_unref(rsp_return); 3079 return dirtyrate; 3080 } 3081 3082 static int64_t get_limit_rate(QTestState *who) 3083 { 3084 QDict *rsp_return; 3085 QList *rates; 3086 const QListEntry *entry; 3087 QDict *rate; 3088 int64_t dirtyrate; 3089 3090 rsp_return = query_vcpu_dirty_limit(who); 3091 g_assert(rsp_return); 3092 3093 rates = qdict_get_qlist(rsp_return, "return"); 3094 g_assert(rates && !qlist_empty(rates)); 3095 3096 entry = qlist_first(rates); 3097 g_assert(entry); 3098 3099 rate = qobject_to(QDict, qlist_entry_obj(entry)); 3100 g_assert(rate); 3101 3102 dirtyrate = qdict_get_try_int(rate, "limit-rate", -1); 3103 3104 qobject_unref(rsp_return); 3105 return dirtyrate; 3106 } 3107 3108 static QTestState *dirtylimit_start_vm(void) 3109 { 3110 QTestState *vm = NULL; 3111 g_autofree gchar *cmd = NULL; 3112 3113 bootfile_create(tmpfs, false); 3114 cmd = g_strdup_printf("-accel kvm,dirty-ring-size=4096 " 3115 "-name dirtylimit-test,debug-threads=on " 3116 "-m 150M -smp 1 " 3117 "-serial file:%s/vm_serial " 3118 "-drive file=%s,format=raw ", 3119 tmpfs, bootpath); 3120 3121 vm = qtest_init(cmd); 3122 return vm; 3123 } 3124 3125 static void dirtylimit_stop_vm(QTestState *vm) 3126 { 3127 qtest_quit(vm); 3128 cleanup("vm_serial"); 3129 } 3130 3131 static void test_vcpu_dirty_limit(void) 3132 { 3133 QTestState *vm; 3134 int64_t origin_rate; 3135 int64_t quota_rate; 3136 int64_t rate ; 3137 int max_try_count = 20; 3138 int hit = 0; 3139 3140 /* Start vm for vcpu dirtylimit test */ 3141 vm = dirtylimit_start_vm(); 3142 3143 /* Wait for the first serial output from the vm*/ 3144 wait_for_serial("vm_serial"); 3145 3146 /* Do dirtyrate measurement with calc time equals 1s */ 3147 calc_dirty_rate(vm, 1); 3148 3149 /* Sleep calc time and wait for calc dirtyrate complete */ 3150 wait_for_calc_dirtyrate_complete(vm, 1); 3151 3152 /* Query original dirty page rate */ 3153 origin_rate = get_dirty_rate(vm); 3154 3155 /* VM booted from bootsect should dirty memory steadily */ 3156 assert(origin_rate != 0); 3157 3158 /* Setup quota dirty page rate at half of origin */ 3159 quota_rate = origin_rate / 2; 3160 3161 /* Set dirtylimit */ 3162 dirtylimit_set_all(vm, quota_rate); 3163 3164 /* 3165 * Check if set-vcpu-dirty-limit and query-vcpu-dirty-limit 3166 * works literally 3167 */ 3168 g_assert_cmpint(quota_rate, ==, get_limit_rate(vm)); 3169 3170 /* Sleep a bit to check if it take effect */ 3171 usleep(2000000); 3172 3173 /* 3174 * Check if dirtylimit take effect realistically, set the 3175 * timeout with 20 s(max_try_count * 1s), if dirtylimit 3176 * doesn't take effect, fail test. 3177 */ 3178 while (--max_try_count) { 3179 calc_dirty_rate(vm, 1); 3180 wait_for_calc_dirtyrate_complete(vm, 1); 3181 rate = get_dirty_rate(vm); 3182 3183 /* 3184 * Assume hitting if current rate is less 3185 * than quota rate (within accepting error) 3186 */ 3187 if (rate < (quota_rate + DIRTYLIMIT_TOLERANCE_RANGE)) { 3188 hit = 1; 3189 break; 3190 } 3191 } 3192 3193 g_assert_cmpint(hit, ==, 1); 3194 3195 hit = 0; 3196 max_try_count = 20; 3197 3198 /* Check if dirtylimit cancellation take effect */ 3199 cancel_vcpu_dirty_limit(vm); 3200 while (--max_try_count) { 3201 calc_dirty_rate(vm, 1); 3202 wait_for_calc_dirtyrate_complete(vm, 1); 3203 rate = get_dirty_rate(vm); 3204 3205 /* 3206 * Assume dirtylimit be canceled if current rate is 3207 * greater than quota rate (within accepting error) 3208 */ 3209 if (rate > (quota_rate + DIRTYLIMIT_TOLERANCE_RANGE)) { 3210 hit = 1; 3211 break; 3212 } 3213 } 3214 3215 g_assert_cmpint(hit, ==, 1); 3216 dirtylimit_stop_vm(vm); 3217 } 3218 3219 static void migrate_dirty_limit_wait_showup(QTestState *from, 3220 const int64_t period, 3221 const int64_t value) 3222 { 3223 /* Enable dirty limit capability */ 3224 migrate_set_capability(from, "dirty-limit", true); 3225 3226 /* Set dirty limit parameters */ 3227 migrate_set_parameter_int(from, "x-vcpu-dirty-limit-period", period); 3228 migrate_set_parameter_int(from, "vcpu-dirty-limit", value); 3229 3230 /* Make sure migrate can't converge */ 3231 migrate_ensure_non_converge(from); 3232 3233 /* To check limit rate after precopy */ 3234 migrate_set_capability(from, "pause-before-switchover", true); 3235 3236 /* Wait for the serial output from the source */ 3237 wait_for_serial("src_serial"); 3238 } 3239 3240 /* 3241 * This test does: 3242 * source destination 3243 * start vm 3244 * start incoming vm 3245 * migrate 3246 * wait dirty limit to begin 3247 * cancel migrate 3248 * cancellation check 3249 * restart incoming vm 3250 * migrate 3251 * wait dirty limit to begin 3252 * wait pre-switchover event 3253 * convergence condition check 3254 * 3255 * And see if dirty limit migration works correctly. 3256 * This test case involves many passes, so it runs in slow mode only. 3257 */ 3258 static void test_migrate_dirty_limit(void) 3259 { 3260 g_autofree char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); 3261 QTestState *from, *to; 3262 int64_t remaining; 3263 uint64_t throttle_us_per_full; 3264 /* 3265 * We want the test to be stable and as fast as possible. 3266 * E.g., with 1Gb/s bandwidth migration may pass without dirty limit, 3267 * so we need to decrease a bandwidth. 3268 */ 3269 const int64_t dirtylimit_period = 1000, dirtylimit_value = 50; 3270 const int64_t max_bandwidth = 400000000; /* ~400Mb/s */ 3271 const int64_t downtime_limit = 250; /* 250ms */ 3272 /* 3273 * We migrate through unix-socket (> 500Mb/s). 3274 * Thus, expected migration speed ~= bandwidth limit (< 500Mb/s). 3275 * So, we can predict expected_threshold 3276 */ 3277 const int64_t expected_threshold = max_bandwidth * downtime_limit / 1000; 3278 int max_try_count = 10; 3279 MigrateCommon args = { 3280 .start = { 3281 .hide_stderr = true, 3282 .use_dirty_ring = true, 3283 }, 3284 .listen_uri = uri, 3285 .connect_uri = uri, 3286 }; 3287 3288 /* Start src, dst vm */ 3289 if (test_migrate_start(&from, &to, args.listen_uri, &args.start)) { 3290 return; 3291 } 3292 3293 /* Prepare for dirty limit migration and wait src vm show up */ 3294 migrate_dirty_limit_wait_showup(from, dirtylimit_period, dirtylimit_value); 3295 3296 /* Start migrate */ 3297 migrate_qmp(from, to, args.connect_uri, NULL, "{}"); 3298 3299 /* Wait for dirty limit throttle begin */ 3300 throttle_us_per_full = 0; 3301 while (throttle_us_per_full == 0) { 3302 throttle_us_per_full = 3303 read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); 3304 usleep(100); 3305 g_assert_false(src_state.stop_seen); 3306 } 3307 3308 /* Now cancel migrate and wait for dirty limit throttle switch off */ 3309 migrate_cancel(from); 3310 wait_for_migration_status(from, "cancelled", NULL); 3311 3312 /* Check if dirty limit throttle switched off, set timeout 1ms */ 3313 do { 3314 throttle_us_per_full = 3315 read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); 3316 usleep(100); 3317 g_assert_false(src_state.stop_seen); 3318 } while (throttle_us_per_full != 0 && --max_try_count); 3319 3320 /* Assert dirty limit is not in service */ 3321 g_assert_cmpint(throttle_us_per_full, ==, 0); 3322 3323 args = (MigrateCommon) { 3324 .start = { 3325 .only_target = true, 3326 .use_dirty_ring = true, 3327 }, 3328 .listen_uri = uri, 3329 .connect_uri = uri, 3330 }; 3331 3332 /* Restart dst vm, src vm already show up so we needn't wait anymore */ 3333 if (test_migrate_start(&from, &to, args.listen_uri, &args.start)) { 3334 return; 3335 } 3336 3337 /* Start migrate */ 3338 migrate_qmp(from, to, args.connect_uri, NULL, "{}"); 3339 3340 /* Wait for dirty limit throttle begin */ 3341 throttle_us_per_full = 0; 3342 while (throttle_us_per_full == 0) { 3343 throttle_us_per_full = 3344 read_migrate_property_int(from, "dirty-limit-throttle-time-per-round"); 3345 usleep(100); 3346 g_assert_false(src_state.stop_seen); 3347 } 3348 3349 /* 3350 * The dirty limit rate should equals the return value of 3351 * query-vcpu-dirty-limit if dirty limit cap set 3352 */ 3353 g_assert_cmpint(dirtylimit_value, ==, get_limit_rate(from)); 3354 3355 /* Now, we have tested if dirty limit works, let it converge */ 3356 migrate_set_parameter_int(from, "downtime-limit", downtime_limit); 3357 migrate_set_parameter_int(from, "max-bandwidth", max_bandwidth); 3358 3359 /* 3360 * Wait for pre-switchover status to check if migration 3361 * satisfy the convergence condition 3362 */ 3363 wait_for_migration_status(from, "pre-switchover", NULL); 3364 3365 remaining = read_ram_property_int(from, "remaining"); 3366 g_assert_cmpint(remaining, <, 3367 (expected_threshold + expected_threshold / 100)); 3368 3369 migrate_continue(from, "pre-switchover"); 3370 3371 qtest_qmp_eventwait(to, "RESUME"); 3372 3373 wait_for_serial("dest_serial"); 3374 wait_for_migration_complete(from); 3375 3376 test_migrate_end(from, to, true); 3377 } 3378 3379 static bool kvm_dirty_ring_supported(void) 3380 { 3381 #if defined(__linux__) && defined(HOST_X86_64) 3382 int ret, kvm_fd = open("/dev/kvm", O_RDONLY); 3383 3384 if (kvm_fd < 0) { 3385 return false; 3386 } 3387 3388 ret = ioctl(kvm_fd, KVM_CHECK_EXTENSION, KVM_CAP_DIRTY_LOG_RING); 3389 close(kvm_fd); 3390 3391 /* We test with 4096 slots */ 3392 if (ret < 4096) { 3393 return false; 3394 } 3395 3396 return true; 3397 #else 3398 return false; 3399 #endif 3400 } 3401 3402 int main(int argc, char **argv) 3403 { 3404 bool has_kvm, has_tcg; 3405 bool has_uffd, is_x86; 3406 const char *arch; 3407 g_autoptr(GError) err = NULL; 3408 const char *qemu_src = getenv(QEMU_ENV_SRC); 3409 const char *qemu_dst = getenv(QEMU_ENV_DST); 3410 int ret; 3411 3412 g_test_init(&argc, &argv, NULL); 3413 3414 /* 3415 * The default QTEST_QEMU_BINARY must always be provided because 3416 * that is what helpers use to query the accel type and 3417 * architecture. 3418 */ 3419 if (qemu_src && qemu_dst) { 3420 g_test_message("Only one of %s, %s is allowed", 3421 QEMU_ENV_SRC, QEMU_ENV_DST); 3422 exit(1); 3423 } 3424 3425 has_kvm = qtest_has_accel("kvm"); 3426 has_tcg = qtest_has_accel("tcg"); 3427 3428 if (!has_tcg && !has_kvm) { 3429 g_test_skip("No KVM or TCG accelerator available"); 3430 return 0; 3431 } 3432 3433 has_uffd = ufd_version_check(); 3434 arch = qtest_get_arch(); 3435 is_x86 = !strcmp(arch, "i386") || !strcmp(arch, "x86_64"); 3436 3437 tmpfs = g_dir_make_tmp("migration-test-XXXXXX", &err); 3438 if (!tmpfs) { 3439 g_test_message("Can't create temporary directory in %s: %s", 3440 g_get_tmp_dir(), err->message); 3441 } 3442 g_assert(tmpfs); 3443 3444 module_call_init(MODULE_INIT_QOM); 3445 3446 migration_test_add("/migration/bad_dest", test_baddest); 3447 #ifndef _WIN32 3448 migration_test_add("/migration/analyze-script", test_analyze_script); 3449 #endif 3450 3451 /* 3452 * On s390x with TCG, migration is observed to hang due to the 'pending' 3453 * state of the flic interrupt controller not being migrated or 3454 * reconstructed post-migration. Disable it until the problem is resolved. 3455 */ 3456 if (g_str_equal(arch, "s390x") && !has_kvm) { 3457 g_test_message("Skipping tests: s390x host with KVM is required"); 3458 goto test_add_done; 3459 } 3460 3461 if (is_x86) { 3462 migration_test_add("/migration/precopy/unix/suspend/live", 3463 test_precopy_unix_suspend_live); 3464 migration_test_add("/migration/precopy/unix/suspend/notlive", 3465 test_precopy_unix_suspend_notlive); 3466 } 3467 3468 if (has_uffd) { 3469 migration_test_add("/migration/postcopy/plain", test_postcopy); 3470 migration_test_add("/migration/postcopy/recovery/plain", 3471 test_postcopy_recovery); 3472 migration_test_add("/migration/postcopy/preempt/plain", 3473 test_postcopy_preempt); 3474 migration_test_add("/migration/postcopy/preempt/recovery/plain", 3475 test_postcopy_preempt_recovery); 3476 #ifndef _WIN32 3477 migration_test_add("/migration/postcopy/recovery/double-failures", 3478 test_postcopy_recovery_double_fail); 3479 #endif /* _WIN32 */ 3480 if (is_x86) { 3481 migration_test_add("/migration/postcopy/suspend", 3482 test_postcopy_suspend); 3483 } 3484 } 3485 3486 migration_test_add("/migration/precopy/unix/plain", 3487 test_precopy_unix_plain); 3488 migration_test_add("/migration/precopy/unix/xbzrle", 3489 test_precopy_unix_xbzrle); 3490 migration_test_add("/migration/precopy/file", 3491 test_precopy_file); 3492 migration_test_add("/migration/precopy/file/offset", 3493 test_precopy_file_offset); 3494 migration_test_add("/migration/precopy/file/offset/bad", 3495 test_precopy_file_offset_bad); 3496 3497 /* 3498 * Our CI system has problems with shared memory. 3499 * Don't run this test until we find a workaround. 3500 */ 3501 if (getenv("QEMU_TEST_FLAKY_TESTS")) { 3502 migration_test_add("/migration/mode/reboot", test_mode_reboot); 3503 } 3504 3505 migration_test_add("/migration/precopy/file/mapped-ram", 3506 test_precopy_file_mapped_ram); 3507 migration_test_add("/migration/precopy/file/mapped-ram/live", 3508 test_precopy_file_mapped_ram_live); 3509 3510 migration_test_add("/migration/multifd/file/mapped-ram", 3511 test_multifd_file_mapped_ram); 3512 migration_test_add("/migration/multifd/file/mapped-ram/live", 3513 test_multifd_file_mapped_ram_live); 3514 3515 #ifdef CONFIG_GNUTLS 3516 migration_test_add("/migration/precopy/unix/tls/psk", 3517 test_precopy_unix_tls_psk); 3518 3519 if (has_uffd) { 3520 /* 3521 * NOTE: psk test is enough for postcopy, as other types of TLS 3522 * channels are tested under precopy. Here what we want to test is the 3523 * general postcopy path that has TLS channel enabled. 3524 */ 3525 migration_test_add("/migration/postcopy/tls/psk", 3526 test_postcopy_tls_psk); 3527 migration_test_add("/migration/postcopy/recovery/tls/psk", 3528 test_postcopy_recovery_tls_psk); 3529 migration_test_add("/migration/postcopy/preempt/tls/psk", 3530 test_postcopy_preempt_tls_psk); 3531 migration_test_add("/migration/postcopy/preempt/recovery/tls/psk", 3532 test_postcopy_preempt_all); 3533 } 3534 #ifdef CONFIG_TASN1 3535 migration_test_add("/migration/precopy/unix/tls/x509/default-host", 3536 test_precopy_unix_tls_x509_default_host); 3537 migration_test_add("/migration/precopy/unix/tls/x509/override-host", 3538 test_precopy_unix_tls_x509_override_host); 3539 #endif /* CONFIG_TASN1 */ 3540 #endif /* CONFIG_GNUTLS */ 3541 3542 migration_test_add("/migration/precopy/tcp/plain", test_precopy_tcp_plain); 3543 3544 migration_test_add("/migration/precopy/tcp/plain/switchover-ack", 3545 test_precopy_tcp_switchover_ack); 3546 3547 #ifdef CONFIG_GNUTLS 3548 migration_test_add("/migration/precopy/tcp/tls/psk/match", 3549 test_precopy_tcp_tls_psk_match); 3550 migration_test_add("/migration/precopy/tcp/tls/psk/mismatch", 3551 test_precopy_tcp_tls_psk_mismatch); 3552 #ifdef CONFIG_TASN1 3553 migration_test_add("/migration/precopy/tcp/tls/x509/default-host", 3554 test_precopy_tcp_tls_x509_default_host); 3555 migration_test_add("/migration/precopy/tcp/tls/x509/override-host", 3556 test_precopy_tcp_tls_x509_override_host); 3557 migration_test_add("/migration/precopy/tcp/tls/x509/mismatch-host", 3558 test_precopy_tcp_tls_x509_mismatch_host); 3559 migration_test_add("/migration/precopy/tcp/tls/x509/friendly-client", 3560 test_precopy_tcp_tls_x509_friendly_client); 3561 migration_test_add("/migration/precopy/tcp/tls/x509/hostile-client", 3562 test_precopy_tcp_tls_x509_hostile_client); 3563 migration_test_add("/migration/precopy/tcp/tls/x509/allow-anon-client", 3564 test_precopy_tcp_tls_x509_allow_anon_client); 3565 migration_test_add("/migration/precopy/tcp/tls/x509/reject-anon-client", 3566 test_precopy_tcp_tls_x509_reject_anon_client); 3567 #endif /* CONFIG_TASN1 */ 3568 #endif /* CONFIG_GNUTLS */ 3569 3570 /* migration_test_add("/migration/ignore_shared", test_ignore_shared); */ 3571 #ifndef _WIN32 3572 migration_test_add("/migration/precopy/fd/tcp", 3573 test_migrate_precopy_fd_socket); 3574 migration_test_add("/migration/precopy/fd/file", 3575 test_migrate_precopy_fd_file); 3576 #endif 3577 migration_test_add("/migration/validate_uuid", test_validate_uuid); 3578 migration_test_add("/migration/validate_uuid_error", 3579 test_validate_uuid_error); 3580 migration_test_add("/migration/validate_uuid_src_not_set", 3581 test_validate_uuid_src_not_set); 3582 migration_test_add("/migration/validate_uuid_dst_not_set", 3583 test_validate_uuid_dst_not_set); 3584 migration_test_add("/migration/validate_uri/channels/both_set", 3585 test_validate_uri_channels_both_set); 3586 migration_test_add("/migration/validate_uri/channels/none_set", 3587 test_validate_uri_channels_none_set); 3588 /* 3589 * See explanation why this test is slow on function definition 3590 */ 3591 if (g_test_slow()) { 3592 migration_test_add("/migration/auto_converge", 3593 test_migrate_auto_converge); 3594 if (g_str_equal(arch, "x86_64") && 3595 has_kvm && kvm_dirty_ring_supported()) { 3596 migration_test_add("/migration/dirty_limit", 3597 test_migrate_dirty_limit); 3598 } 3599 } 3600 migration_test_add("/migration/multifd/tcp/uri/plain/none", 3601 test_multifd_tcp_uri_none); 3602 migration_test_add("/migration/multifd/tcp/channels/plain/none", 3603 test_multifd_tcp_channels_none); 3604 migration_test_add("/migration/multifd/tcp/plain/zero-page/legacy", 3605 test_multifd_tcp_zero_page_legacy); 3606 migration_test_add("/migration/multifd/tcp/plain/zero-page/none", 3607 test_multifd_tcp_no_zero_page); 3608 migration_test_add("/migration/multifd/tcp/plain/cancel", 3609 test_multifd_tcp_cancel); 3610 migration_test_add("/migration/multifd/tcp/plain/zlib", 3611 test_multifd_tcp_zlib); 3612 #ifdef CONFIG_ZSTD 3613 migration_test_add("/migration/multifd/tcp/plain/zstd", 3614 test_multifd_tcp_zstd); 3615 #endif 3616 #ifdef CONFIG_QPL 3617 migration_test_add("/migration/multifd/tcp/plain/qpl", 3618 test_multifd_tcp_qpl); 3619 #endif 3620 #ifdef CONFIG_GNUTLS 3621 migration_test_add("/migration/multifd/tcp/tls/psk/match", 3622 test_multifd_tcp_tls_psk_match); 3623 migration_test_add("/migration/multifd/tcp/tls/psk/mismatch", 3624 test_multifd_tcp_tls_psk_mismatch); 3625 #ifdef CONFIG_TASN1 3626 migration_test_add("/migration/multifd/tcp/tls/x509/default-host", 3627 test_multifd_tcp_tls_x509_default_host); 3628 migration_test_add("/migration/multifd/tcp/tls/x509/override-host", 3629 test_multifd_tcp_tls_x509_override_host); 3630 migration_test_add("/migration/multifd/tcp/tls/x509/mismatch-host", 3631 test_multifd_tcp_tls_x509_mismatch_host); 3632 migration_test_add("/migration/multifd/tcp/tls/x509/allow-anon-client", 3633 test_multifd_tcp_tls_x509_allow_anon_client); 3634 migration_test_add("/migration/multifd/tcp/tls/x509/reject-anon-client", 3635 test_multifd_tcp_tls_x509_reject_anon_client); 3636 #endif /* CONFIG_TASN1 */ 3637 #endif /* CONFIG_GNUTLS */ 3638 3639 if (g_str_equal(arch, "x86_64") && has_kvm && kvm_dirty_ring_supported()) { 3640 migration_test_add("/migration/dirty_ring", 3641 test_precopy_unix_dirty_ring); 3642 migration_test_add("/migration/vcpu_dirty_limit", 3643 test_vcpu_dirty_limit); 3644 } 3645 3646 test_add_done: 3647 3648 ret = g_test_run(); 3649 3650 g_assert_cmpint(ret, ==, 0); 3651 3652 bootfile_delete(); 3653 ret = rmdir(tmpfs); 3654 if (ret != 0) { 3655 g_test_message("unable to rmdir: path (%s): %s", 3656 tmpfs, strerror(errno)); 3657 } 3658 g_free(tmpfs); 3659 3660 return ret; 3661 } 3662