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Commit | Line | Data |
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ea0c6d62 | 1 | /* |
2656bfd9 | 2 | * QTest testcase for migration |
ea0c6d62 | 3 | * |
17ca7746 | 4 | * Copyright (c) 2016-2018 Red Hat, Inc. and/or its affiliates |
ea0c6d62 DDAG |
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" | |
ea0c6d62 DDAG |
14 | |
15 | #include "libqtest.h" | |
452fcdbc | 16 | #include "qapi/qmp/qdict.h" |
b5bbd3f3 | 17 | #include "qapi/qmp/qjson.h" |
ea0c6d62 DDAG |
18 | #include "qemu/option.h" |
19 | #include "qemu/range.h" | |
a9c94277 | 20 | #include "qemu/sockets.h" |
8228e353 | 21 | #include "chardev/char.h" |
ea0c6d62 | 22 | #include "sysemu/sysemu.h" |
609d3844 JQ |
23 | #include "qapi/qapi-visit-sockets.h" |
24 | #include "qapi/qobject-input-visitor.h" | |
25 | #include "qapi/qobject-output-visitor.h" | |
ea0c6d62 | 26 | |
e51e711b WH |
27 | #include "migration/migration-test.h" |
28 | ||
055a1efc MA |
29 | /* TODO actually test the results and get rid of this */ |
30 | #define qtest_qmp_discard_response(...) qobject_unref(qtest_qmp(__VA_ARGS__)) | |
31 | ||
e51e711b WH |
32 | unsigned start_address; |
33 | unsigned end_address; | |
ea0c6d62 | 34 | bool got_stop; |
346f3dab | 35 | static bool uffd_feature_thread_id; |
ea0c6d62 DDAG |
36 | |
37 | #if defined(__linux__) | |
ea0c6d62 DDAG |
38 | #include <sys/syscall.h> |
39 | #include <sys/vfs.h> | |
40 | #endif | |
41 | ||
42 | #if defined(__linux__) && defined(__NR_userfaultfd) && defined(CONFIG_EVENTFD) | |
43 | #include <sys/eventfd.h> | |
44 | #include <sys/ioctl.h> | |
45 | #include <linux/userfaultfd.h> | |
46 | ||
47 | static bool ufd_version_check(void) | |
48 | { | |
49 | struct uffdio_api api_struct; | |
50 | uint64_t ioctl_mask; | |
51 | ||
e1ae9fb6 | 52 | int ufd = syscall(__NR_userfaultfd, O_CLOEXEC); |
ea0c6d62 DDAG |
53 | |
54 | if (ufd == -1) { | |
55 | g_test_message("Skipping test: userfaultfd not available"); | |
56 | return false; | |
57 | } | |
58 | ||
59 | api_struct.api = UFFD_API; | |
60 | api_struct.features = 0; | |
61 | if (ioctl(ufd, UFFDIO_API, &api_struct)) { | |
62 | g_test_message("Skipping test: UFFDIO_API failed"); | |
63 | return false; | |
64 | } | |
346f3dab | 65 | uffd_feature_thread_id = api_struct.features & UFFD_FEATURE_THREAD_ID; |
ea0c6d62 DDAG |
66 | |
67 | ioctl_mask = (__u64)1 << _UFFDIO_REGISTER | | |
68 | (__u64)1 << _UFFDIO_UNREGISTER; | |
69 | if ((api_struct.ioctls & ioctl_mask) != ioctl_mask) { | |
70 | g_test_message("Skipping test: Missing userfault feature"); | |
71 | return false; | |
72 | } | |
73 | ||
74 | return true; | |
75 | } | |
76 | ||
77 | #else | |
78 | static bool ufd_version_check(void) | |
79 | { | |
80 | g_test_message("Skipping test: Userfault not available (builtdtime)"); | |
81 | return false; | |
82 | } | |
83 | ||
84 | #endif | |
85 | ||
86 | static const char *tmpfs; | |
87 | ||
e51e711b WH |
88 | /* The boot file modifies memory area in [start_address, end_address) |
89 | * repeatedly. It outputs a 'B' at a fixed rate while it's still running. | |
ea0c6d62 | 90 | */ |
d54927ef | 91 | #include "tests/migration/i386/a-b-bootblock.h" |
c02b3781 | 92 | #include "tests/migration/aarch64/a-b-kernel.h" |
ea0c6d62 | 93 | |
c02b3781 | 94 | static void init_bootfile(const char *bootpath, void *content) |
aaf89c8a | 95 | { |
96 | FILE *bootfile = fopen(bootpath, "wb"); | |
97 | ||
c02b3781 | 98 | g_assert_cmpint(fwrite(content, 512, 1, bootfile), ==, 1); |
aaf89c8a | 99 | fclose(bootfile); |
100 | } | |
101 | ||
5571dc82 TH |
102 | #include "tests/migration/s390x/a-b-bios.h" |
103 | ||
104 | static void init_bootfile_s390x(const char *bootpath) | |
105 | { | |
106 | FILE *bootfile = fopen(bootpath, "wb"); | |
107 | size_t len = sizeof(s390x_elf); | |
108 | ||
109 | g_assert_cmpint(fwrite(s390x_elf, len, 1, bootfile), ==, 1); | |
110 | fclose(bootfile); | |
111 | } | |
112 | ||
ea0c6d62 DDAG |
113 | /* |
114 | * Wait for some output in the serial output file, | |
115 | * we get an 'A' followed by an endless string of 'B's | |
116 | * but on the destination we won't have the A. | |
117 | */ | |
118 | static void wait_for_serial(const char *side) | |
119 | { | |
120 | char *serialpath = g_strdup_printf("%s/%s", tmpfs, side); | |
121 | FILE *serialfile = fopen(serialpath, "r"); | |
aaf89c8a | 122 | const char *arch = qtest_get_arch(); |
123 | int started = (strcmp(side, "src_serial") == 0 && | |
124 | strcmp(arch, "ppc64") == 0) ? 0 : 1; | |
ea0c6d62 | 125 | |
e2dd21e5 | 126 | g_free(serialpath); |
ea0c6d62 DDAG |
127 | do { |
128 | int readvalue = fgetc(serialfile); | |
129 | ||
aaf89c8a | 130 | if (!started) { |
131 | /* SLOF prints its banner before starting test, | |
132 | * to ignore it, mark the start of the test with '_', | |
133 | * ignore all characters until this marker | |
134 | */ | |
135 | switch (readvalue) { | |
136 | case '_': | |
137 | started = 1; | |
138 | break; | |
139 | case EOF: | |
140 | fseek(serialfile, 0, SEEK_SET); | |
141 | usleep(1000); | |
142 | break; | |
143 | } | |
144 | continue; | |
145 | } | |
ea0c6d62 DDAG |
146 | switch (readvalue) { |
147 | case 'A': | |
148 | /* Fine */ | |
149 | break; | |
150 | ||
151 | case 'B': | |
152 | /* It's alive! */ | |
153 | fclose(serialfile); | |
ea0c6d62 DDAG |
154 | return; |
155 | ||
156 | case EOF: | |
aaf89c8a | 157 | started = (strcmp(side, "src_serial") == 0 && |
158 | strcmp(arch, "ppc64") == 0) ? 0 : 1; | |
ea0c6d62 DDAG |
159 | fseek(serialfile, 0, SEEK_SET); |
160 | usleep(1000); | |
161 | break; | |
162 | ||
163 | default: | |
164 | fprintf(stderr, "Unexpected %d on %s serial\n", readvalue, side); | |
165 | g_assert_not_reached(); | |
166 | } | |
167 | } while (true); | |
168 | } | |
169 | ||
3cd46d42 MA |
170 | static void stop_cb(void *opaque, const char *name, QDict *data) |
171 | { | |
172 | if (!strcmp(name, "STOP")) { | |
173 | got_stop = true; | |
174 | } | |
175 | } | |
176 | ||
24d5588c YK |
177 | /* |
178 | * Events can get in the way of responses we are actually waiting for. | |
179 | */ | |
180 | GCC_FMT_ATTR(3, 4) | |
181 | static QDict *wait_command_fd(QTestState *who, int fd, const char *command, ...) | |
182 | { | |
183 | va_list ap; | |
184 | ||
185 | va_start(ap, command); | |
186 | qtest_qmp_vsend_fds(who, &fd, 1, command, ap); | |
187 | va_end(ap); | |
188 | ||
189 | return qtest_qmp_receive_success(who, stop_cb, NULL); | |
190 | } | |
191 | ||
ea0c6d62 DDAG |
192 | /* |
193 | * Events can get in the way of responses we are actually waiting for. | |
194 | */ | |
b7281c69 | 195 | GCC_FMT_ATTR(2, 3) |
4399596b | 196 | static QDict *wait_command(QTestState *who, const char *command, ...) |
ea0c6d62 | 197 | { |
4399596b MA |
198 | va_list ap; |
199 | ||
200 | va_start(ap, command); | |
201 | qtest_qmp_vsend(who, command, ap); | |
202 | va_end(ap); | |
203 | ||
3cd46d42 | 204 | return qtest_qmp_receive_success(who, stop_cb, NULL); |
ea0c6d62 DDAG |
205 | } |
206 | ||
2f7074c6 PX |
207 | /* |
208 | * Note: caller is responsible to free the returned object via | |
209 | * qobject_unref() after use | |
210 | */ | |
211 | static QDict *migrate_query(QTestState *who) | |
212 | { | |
e1454165 | 213 | return wait_command(who, "{ 'execute': 'query-migrate' }"); |
2f7074c6 PX |
214 | } |
215 | ||
216 | /* | |
217 | * Note: caller is responsible to free the returned object via | |
218 | * g_free() after use | |
219 | */ | |
220 | static gchar *migrate_query_status(QTestState *who) | |
221 | { | |
222 | QDict *rsp_return = migrate_query(who); | |
223 | gchar *status = g_strdup(qdict_get_str(rsp_return, "status")); | |
224 | ||
225 | g_assert(status); | |
226 | qobject_unref(rsp_return); | |
227 | ||
228 | return status; | |
229 | } | |
ea0c6d62 DDAG |
230 | |
231 | /* | |
232 | * It's tricky to use qemu's migration event capability with qtest, | |
233 | * events suddenly appearing confuse the qmp()/hmp() responses. | |
ea0c6d62 DDAG |
234 | */ |
235 | ||
660a9b68 | 236 | static int64_t read_ram_property_int(QTestState *who, const char *property) |
ea0c6d62 | 237 | { |
2f7074c6 | 238 | QDict *rsp_return, *rsp_ram; |
660a9b68 | 239 | int64_t result; |
ea0c6d62 | 240 | |
2f7074c6 | 241 | rsp_return = migrate_query(who); |
ea0c6d62 DDAG |
242 | if (!qdict_haskey(rsp_return, "ram")) { |
243 | /* Still in setup */ | |
244 | result = 0; | |
245 | } else { | |
246 | rsp_ram = qdict_get_qdict(rsp_return, "ram"); | |
660a9b68 | 247 | result = qdict_get_try_int(rsp_ram, property, 0); |
ea0c6d62 | 248 | } |
2f7074c6 | 249 | qobject_unref(rsp_return); |
ea0c6d62 DDAG |
250 | return result; |
251 | } | |
252 | ||
660a9b68 YK |
253 | static uint64_t get_migration_pass(QTestState *who) |
254 | { | |
255 | return read_ram_property_int(who, "dirty-sync-count"); | |
256 | } | |
257 | ||
346f3dab AP |
258 | static void read_blocktime(QTestState *who) |
259 | { | |
2f7074c6 | 260 | QDict *rsp_return; |
346f3dab | 261 | |
2f7074c6 | 262 | rsp_return = migrate_query(who); |
346f3dab | 263 | g_assert(qdict_haskey(rsp_return, "postcopy-blocktime")); |
2f7074c6 | 264 | qobject_unref(rsp_return); |
346f3dab AP |
265 | } |
266 | ||
2f6d3138 PX |
267 | static void wait_for_migration_status(QTestState *who, |
268 | const char *goal) | |
ea0c6d62 | 269 | { |
6a7724e9 | 270 | while (true) { |
6a7724e9 | 271 | bool completed; |
2f7074c6 | 272 | char *status; |
ea0c6d62 | 273 | |
2f7074c6 | 274 | status = migrate_query_status(who); |
2f6d3138 | 275 | completed = strcmp(status, goal) == 0; |
ea0c6d62 | 276 | g_assert_cmpstr(status, !=, "failed"); |
2f7074c6 | 277 | g_free(status); |
6a7724e9 JQ |
278 | if (completed) { |
279 | return; | |
280 | } | |
281 | usleep(1000); | |
282 | } | |
ea0c6d62 DDAG |
283 | } |
284 | ||
2f6d3138 PX |
285 | static void wait_for_migration_complete(QTestState *who) |
286 | { | |
287 | wait_for_migration_status(who, "completed"); | |
288 | } | |
289 | ||
863e27a8 | 290 | static void wait_for_migration_pass(QTestState *who) |
ea0c6d62 | 291 | { |
863e27a8 | 292 | uint64_t initial_pass = get_migration_pass(who); |
ea0c6d62 DDAG |
293 | uint64_t pass; |
294 | ||
295 | /* Wait for the 1st sync */ | |
6a7724e9 JQ |
296 | while (!got_stop && !initial_pass) { |
297 | usleep(1000); | |
863e27a8 | 298 | initial_pass = get_migration_pass(who); |
6a7724e9 | 299 | } |
ea0c6d62 DDAG |
300 | |
301 | do { | |
6a7724e9 | 302 | usleep(1000); |
863e27a8 | 303 | pass = get_migration_pass(who); |
ea0c6d62 DDAG |
304 | } while (pass == initial_pass && !got_stop); |
305 | } | |
306 | ||
7195a871 | 307 | static void check_guests_ram(QTestState *who) |
ea0c6d62 DDAG |
308 | { |
309 | /* Our ASM test will have been incrementing one byte from each page from | |
e51e711b WH |
310 | * start_address to < end_address in order. This gives us a constraint |
311 | * that any page's byte should be equal or less than the previous pages | |
312 | * byte (mod 256); and they should all be equal except for one transition | |
313 | * at the point where we meet the incrementer. (We're running this with | |
314 | * the guest stopped). | |
ea0c6d62 DDAG |
315 | */ |
316 | unsigned address; | |
317 | uint8_t first_byte; | |
318 | uint8_t last_byte; | |
319 | bool hit_edge = false; | |
320 | bool bad = false; | |
321 | ||
7195a871 | 322 | qtest_memread(who, start_address, &first_byte, 1); |
ea0c6d62 DDAG |
323 | last_byte = first_byte; |
324 | ||
e51e711b WH |
325 | for (address = start_address + TEST_MEM_PAGE_SIZE; address < end_address; |
326 | address += TEST_MEM_PAGE_SIZE) | |
ea0c6d62 DDAG |
327 | { |
328 | uint8_t b; | |
7195a871 | 329 | qtest_memread(who, address, &b, 1); |
ea0c6d62 DDAG |
330 | if (b != last_byte) { |
331 | if (((b + 1) % 256) == last_byte && !hit_edge) { | |
332 | /* This is OK, the guest stopped at the point of | |
333 | * incrementing the previous page but didn't get | |
334 | * to us yet. | |
335 | */ | |
336 | hit_edge = true; | |
829db8b4 | 337 | last_byte = b; |
ea0c6d62 DDAG |
338 | } else { |
339 | fprintf(stderr, "Memory content inconsistency at %x" | |
340 | " first_byte = %x last_byte = %x current = %x" | |
341 | " hit_edge = %x\n", | |
342 | address, first_byte, last_byte, b, hit_edge); | |
343 | bad = true; | |
344 | } | |
345 | } | |
ea0c6d62 DDAG |
346 | } |
347 | g_assert_false(bad); | |
348 | } | |
349 | ||
350 | static void cleanup(const char *filename) | |
351 | { | |
352 | char *path = g_strdup_printf("%s/%s", tmpfs, filename); | |
353 | ||
354 | unlink(path); | |
e2dd21e5 | 355 | g_free(path); |
ea0c6d62 DDAG |
356 | } |
357 | ||
660a9b68 YK |
358 | static char *get_shmem_opts(const char *mem_size, const char *shmem_path) |
359 | { | |
360 | return g_strdup_printf("-object memory-backend-file,id=mem0,size=%s" | |
361 | ",mem-path=%s,share=on -numa node,memdev=mem0", | |
362 | mem_size, shmem_path); | |
363 | } | |
364 | ||
609d3844 JQ |
365 | static char *SocketAddress_to_str(SocketAddress *addr) |
366 | { | |
367 | switch (addr->type) { | |
368 | case SOCKET_ADDRESS_TYPE_INET: | |
369 | return g_strdup_printf("tcp:%s:%s", | |
370 | addr->u.inet.host, | |
371 | addr->u.inet.port); | |
372 | case SOCKET_ADDRESS_TYPE_UNIX: | |
373 | return g_strdup_printf("unix:%s", | |
374 | addr->u.q_unix.path); | |
375 | case SOCKET_ADDRESS_TYPE_FD: | |
376 | return g_strdup_printf("fd:%s", addr->u.fd.str); | |
377 | case SOCKET_ADDRESS_TYPE_VSOCK: | |
378 | return g_strdup_printf("tcp:%s:%s", | |
379 | addr->u.vsock.cid, | |
380 | addr->u.vsock.port); | |
381 | default: | |
382 | return g_strdup("unknown address type"); | |
383 | } | |
384 | } | |
385 | ||
386 | static char *migrate_get_socket_address(QTestState *who, const char *parameter) | |
387 | { | |
388 | QDict *rsp; | |
389 | char *result; | |
390 | Error *local_err = NULL; | |
391 | SocketAddressList *addrs; | |
392 | Visitor *iv = NULL; | |
393 | QObject *object; | |
394 | ||
395 | rsp = migrate_query(who); | |
396 | object = qdict_get(rsp, parameter); | |
397 | ||
398 | iv = qobject_input_visitor_new(object); | |
399 | visit_type_SocketAddressList(iv, NULL, &addrs, &local_err); | |
1e25879e | 400 | visit_free(iv); |
609d3844 JQ |
401 | |
402 | /* we are only using a single address */ | |
1e25879e | 403 | result = SocketAddress_to_str(addrs->value); |
609d3844 JQ |
404 | |
405 | qapi_free_SocketAddressList(addrs); | |
406 | qobject_unref(rsp); | |
407 | return result; | |
408 | } | |
409 | ||
410 | static long long migrate_get_parameter(QTestState *who, const char *parameter) | |
411 | { | |
412 | QDict *rsp; | |
413 | long long result; | |
414 | ||
415 | rsp = wait_command(who, "{ 'execute': 'query-migrate-parameters' }"); | |
416 | result = qdict_get_int(rsp, parameter); | |
417 | qobject_unref(rsp); | |
418 | return result; | |
419 | } | |
420 | ||
56b4a42a | 421 | static void migrate_check_parameter(QTestState *who, const char *parameter, |
c44a56d8 | 422 | long long value) |
56b4a42a | 423 | { |
609d3844 | 424 | long long result; |
56b4a42a | 425 | |
609d3844 JQ |
426 | result = migrate_get_parameter(who, parameter); |
427 | g_assert_cmpint(result, ==, value); | |
56b4a42a JQ |
428 | } |
429 | ||
1f90d797 | 430 | static void migrate_set_parameter(QTestState *who, const char *parameter, |
c44a56d8 | 431 | long long value) |
d62fbe60 JQ |
432 | { |
433 | QDict *rsp; | |
d62fbe60 | 434 | |
c44a56d8 MA |
435 | rsp = qtest_qmp(who, |
436 | "{ 'execute': 'migrate-set-parameters'," | |
437 | "'arguments': { %s: %lld } }", | |
438 | parameter, value); | |
d62fbe60 | 439 | g_assert(qdict_haskey(rsp, "return")); |
cb3e7f08 | 440 | qobject_unref(rsp); |
1f90d797 | 441 | migrate_check_parameter(who, parameter, value); |
d62fbe60 JQ |
442 | } |
443 | ||
d5f49640 PX |
444 | static void migrate_pause(QTestState *who) |
445 | { | |
446 | QDict *rsp; | |
447 | ||
448 | rsp = wait_command(who, "{ 'execute': 'migrate-pause' }"); | |
d5f49640 PX |
449 | qobject_unref(rsp); |
450 | } | |
451 | ||
452 | static void migrate_recover(QTestState *who, const char *uri) | |
453 | { | |
454 | QDict *rsp; | |
d5f49640 | 455 | |
b7281c69 MA |
456 | rsp = wait_command(who, |
457 | "{ 'execute': 'migrate-recover', " | |
458 | " 'id': 'recover-cmd', " | |
459 | " 'arguments': { 'uri': %s } }", | |
460 | uri); | |
d5f49640 PX |
461 | qobject_unref(rsp); |
462 | } | |
463 | ||
d62fbe60 | 464 | static void migrate_set_capability(QTestState *who, const char *capability, |
c44a56d8 | 465 | bool value) |
d62fbe60 JQ |
466 | { |
467 | QDict *rsp; | |
c44a56d8 MA |
468 | |
469 | rsp = qtest_qmp(who, | |
470 | "{ 'execute': 'migrate-set-capabilities'," | |
471 | "'arguments': { " | |
472 | "'capabilities': [ { " | |
473 | "'capability': %s, 'state': %i } ] } }", | |
474 | capability, value); | |
d62fbe60 | 475 | g_assert(qdict_haskey(rsp, "return")); |
cb3e7f08 | 476 | qobject_unref(rsp); |
d62fbe60 JQ |
477 | } |
478 | ||
b5bbd3f3 MA |
479 | /* |
480 | * Send QMP command "migrate". | |
481 | * Arguments are built from @fmt... (formatted like | |
482 | * qobject_from_jsonf_nofail()) with "uri": @uri spliced in. | |
483 | */ | |
484 | GCC_FMT_ATTR(3, 4) | |
485 | static void migrate(QTestState *who, const char *uri, const char *fmt, ...) | |
d62fbe60 | 486 | { |
b5bbd3f3 MA |
487 | va_list ap; |
488 | QDict *args, *rsp; | |
d62fbe60 | 489 | |
b5bbd3f3 MA |
490 | va_start(ap, fmt); |
491 | args = qdict_from_vjsonf_nofail(fmt, ap); | |
492 | va_end(ap); | |
493 | ||
494 | g_assert(!qdict_haskey(args, "uri")); | |
495 | qdict_put_str(args, "uri", uri); | |
496 | ||
497 | rsp = qmp("{ 'execute': 'migrate', 'arguments': %p}", args); | |
24d5588c | 498 | |
d62fbe60 | 499 | g_assert(qdict_haskey(rsp, "return")); |
cb3e7f08 | 500 | qobject_unref(rsp); |
d62fbe60 JQ |
501 | } |
502 | ||
d131662a | 503 | static void migrate_postcopy_start(QTestState *from, QTestState *to) |
eb665d7d JQ |
504 | { |
505 | QDict *rsp; | |
506 | ||
d131662a | 507 | rsp = wait_command(from, "{ 'execute': 'migrate-start-postcopy' }"); |
cb3e7f08 | 508 | qobject_unref(rsp); |
d131662a PX |
509 | |
510 | if (!got_stop) { | |
511 | qtest_qmp_eventwait(from, "STOP"); | |
512 | } | |
513 | ||
514 | qtest_qmp_eventwait(to, "RESUME"); | |
eb665d7d JQ |
515 | } |
516 | ||
5fd4a9c9 | 517 | static int test_migrate_start(QTestState **from, QTestState **to, |
660a9b68 YK |
518 | const char *uri, bool hide_stderr, |
519 | bool use_shmem) | |
ea0c6d62 | 520 | { |
d62fbe60 | 521 | gchar *cmd_src, *cmd_dst; |
660a9b68 YK |
522 | char *bootpath = NULL; |
523 | char *extra_opts = NULL; | |
524 | char *shmem_path = NULL; | |
aaf89c8a | 525 | const char *arch = qtest_get_arch(); |
63b2d935 | 526 | const char *accel = "kvm:tcg"; |
ea0c6d62 | 527 | |
660a9b68 YK |
528 | if (use_shmem) { |
529 | if (!g_file_test("/dev/shm", G_FILE_TEST_IS_DIR)) { | |
530 | g_test_skip("/dev/shm is not supported"); | |
531 | return -1; | |
532 | } | |
533 | shmem_path = g_strdup_printf("/dev/shm/qemu-%d", getpid()); | |
534 | } | |
ea0c6d62 | 535 | |
660a9b68 YK |
536 | got_stop = false; |
537 | bootpath = g_strdup_printf("%s/bootsect", tmpfs); | |
aaf89c8a | 538 | if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) { |
c02b3781 | 539 | init_bootfile(bootpath, x86_bootsect); |
660a9b68 | 540 | extra_opts = use_shmem ? get_shmem_opts("150M", shmem_path) : NULL; |
63b2d935 | 541 | cmd_src = g_strdup_printf("-machine accel=%s -m 150M" |
31a6bb74 | 542 | " -name source,debug-threads=on" |
aaf89c8a | 543 | " -serial file:%s/src_serial" |
660a9b68 YK |
544 | " -drive file=%s,format=raw %s", |
545 | accel, tmpfs, bootpath, | |
546 | extra_opts ? extra_opts : ""); | |
63b2d935 | 547 | cmd_dst = g_strdup_printf("-machine accel=%s -m 150M" |
31a6bb74 | 548 | " -name target,debug-threads=on" |
aaf89c8a | 549 | " -serial file:%s/dest_serial" |
550 | " -drive file=%s,format=raw" | |
660a9b68 YK |
551 | " -incoming %s %s", |
552 | accel, tmpfs, bootpath, uri, | |
553 | extra_opts ? extra_opts : ""); | |
e51e711b WH |
554 | start_address = X86_TEST_MEM_START; |
555 | end_address = X86_TEST_MEM_END; | |
5571dc82 TH |
556 | } else if (g_str_equal(arch, "s390x")) { |
557 | init_bootfile_s390x(bootpath); | |
660a9b68 | 558 | extra_opts = use_shmem ? get_shmem_opts("128M", shmem_path) : NULL; |
5571dc82 TH |
559 | cmd_src = g_strdup_printf("-machine accel=%s -m 128M" |
560 | " -name source,debug-threads=on" | |
660a9b68 YK |
561 | " -serial file:%s/src_serial -bios %s %s", |
562 | accel, tmpfs, bootpath, | |
563 | extra_opts ? extra_opts : ""); | |
5571dc82 TH |
564 | cmd_dst = g_strdup_printf("-machine accel=%s -m 128M" |
565 | " -name target,debug-threads=on" | |
566 | " -serial file:%s/dest_serial -bios %s" | |
660a9b68 YK |
567 | " -incoming %s %s", |
568 | accel, tmpfs, bootpath, uri, | |
569 | extra_opts ? extra_opts : ""); | |
5571dc82 TH |
570 | start_address = S390_TEST_MEM_START; |
571 | end_address = S390_TEST_MEM_END; | |
aaf89c8a | 572 | } else if (strcmp(arch, "ppc64") == 0) { |
660a9b68 | 573 | extra_opts = use_shmem ? get_shmem_opts("256M", shmem_path) : NULL; |
fc71e3e5 | 574 | cmd_src = g_strdup_printf("-machine accel=%s -m 256M -nodefaults" |
31a6bb74 | 575 | " -name source,debug-threads=on" |
aaf89c8a | 576 | " -serial file:%s/src_serial" |
fc71e3e5 TH |
577 | " -prom-env 'use-nvramrc?=true' -prom-env " |
578 | "'nvramrc=hex .\" _\" begin %x %x " | |
cdf33815 | 579 | "do i c@ 1 + i c! 1000 +loop .\" B\" 0 " |
660a9b68 YK |
580 | "until' %s", accel, tmpfs, end_address, |
581 | start_address, extra_opts ? extra_opts : ""); | |
171da9d5 | 582 | cmd_dst = g_strdup_printf("-machine accel=%s -m 256M" |
31a6bb74 | 583 | " -name target,debug-threads=on" |
aaf89c8a | 584 | " -serial file:%s/dest_serial" |
660a9b68 YK |
585 | " -incoming %s %s", |
586 | accel, tmpfs, uri, | |
587 | extra_opts ? extra_opts : ""); | |
e51e711b WH |
588 | |
589 | start_address = PPC_TEST_MEM_START; | |
590 | end_address = PPC_TEST_MEM_END; | |
c02b3781 WH |
591 | } else if (strcmp(arch, "aarch64") == 0) { |
592 | init_bootfile(bootpath, aarch64_kernel); | |
660a9b68 | 593 | extra_opts = use_shmem ? get_shmem_opts("150M", shmem_path) : NULL; |
c02b3781 WH |
594 | cmd_src = g_strdup_printf("-machine virt,accel=%s,gic-version=max " |
595 | "-name vmsource,debug-threads=on -cpu max " | |
596 | "-m 150M -serial file:%s/src_serial " | |
660a9b68 YK |
597 | "-kernel %s %s", |
598 | accel, tmpfs, bootpath, | |
599 | extra_opts ? extra_opts : ""); | |
c02b3781 WH |
600 | cmd_dst = g_strdup_printf("-machine virt,accel=%s,gic-version=max " |
601 | "-name vmdest,debug-threads=on -cpu max " | |
602 | "-m 150M -serial file:%s/dest_serial " | |
603 | "-kernel %s " | |
660a9b68 YK |
604 | "-incoming %s %s", |
605 | accel, tmpfs, bootpath, uri, | |
606 | extra_opts ? extra_opts : ""); | |
c02b3781 WH |
607 | |
608 | start_address = ARM_TEST_MEM_START; | |
609 | end_address = ARM_TEST_MEM_END; | |
610 | ||
611 | g_assert(sizeof(aarch64_kernel) <= ARM_TEST_MAX_KERNEL_SIZE); | |
aaf89c8a | 612 | } else { |
613 | g_assert_not_reached(); | |
614 | } | |
615 | ||
e2dd21e5 | 616 | g_free(bootpath); |
660a9b68 | 617 | g_free(extra_opts); |
e2dd21e5 | 618 | |
f96d6651 DDAG |
619 | if (hide_stderr) { |
620 | gchar *tmp; | |
621 | tmp = g_strdup_printf("%s 2>/dev/null", cmd_src); | |
622 | g_free(cmd_src); | |
623 | cmd_src = tmp; | |
624 | ||
625 | tmp = g_strdup_printf("%s 2>/dev/null", cmd_dst); | |
626 | g_free(cmd_dst); | |
627 | cmd_dst = tmp; | |
628 | } | |
629 | ||
7195a871 | 630 | *from = qtest_start(cmd_src); |
aaf89c8a | 631 | g_free(cmd_src); |
632 | ||
7195a871 | 633 | *to = qtest_init(cmd_dst); |
aaf89c8a | 634 | g_free(cmd_dst); |
660a9b68 YK |
635 | |
636 | /* | |
637 | * Remove shmem file immediately to avoid memory leak in test failed case. | |
638 | * It's valid becase QEMU has already opened this file | |
639 | */ | |
640 | if (use_shmem) { | |
641 | unlink(shmem_path); | |
642 | g_free(shmem_path); | |
643 | } | |
644 | ||
5fd4a9c9 | 645 | return 0; |
7195a871 JQ |
646 | } |
647 | ||
2c9bb297 | 648 | static void test_migrate_end(QTestState *from, QTestState *to, bool test_dest) |
7195a871 JQ |
649 | { |
650 | unsigned char dest_byte_a, dest_byte_b, dest_byte_c, dest_byte_d; | |
651 | ||
652 | qtest_quit(from); | |
653 | ||
2c9bb297 DDAG |
654 | if (test_dest) { |
655 | qtest_memread(to, start_address, &dest_byte_a, 1); | |
7195a871 | 656 | |
2c9bb297 DDAG |
657 | /* Destination still running, wait for a byte to change */ |
658 | do { | |
659 | qtest_memread(to, start_address, &dest_byte_b, 1); | |
660 | usleep(1000 * 10); | |
661 | } while (dest_byte_a == dest_byte_b); | |
662 | ||
663 | qtest_qmp_discard_response(to, "{ 'execute' : 'stop'}"); | |
7195a871 | 664 | |
2c9bb297 DDAG |
665 | /* With it stopped, check nothing changes */ |
666 | qtest_memread(to, start_address, &dest_byte_c, 1); | |
667 | usleep(1000 * 200); | |
668 | qtest_memread(to, start_address, &dest_byte_d, 1); | |
669 | g_assert_cmpint(dest_byte_c, ==, dest_byte_d); | |
7195a871 | 670 | |
2c9bb297 DDAG |
671 | check_guests_ram(to); |
672 | } | |
7195a871 JQ |
673 | |
674 | qtest_quit(to); | |
675 | ||
676 | cleanup("bootsect"); | |
677 | cleanup("migsocket"); | |
678 | cleanup("src_serial"); | |
679 | cleanup("dest_serial"); | |
680 | } | |
681 | ||
4c27486d JQ |
682 | static void deprecated_set_downtime(QTestState *who, const double value) |
683 | { | |
684 | QDict *rsp; | |
4c27486d | 685 | |
015715f5 MA |
686 | rsp = qtest_qmp(who, |
687 | "{ 'execute': 'migrate_set_downtime'," | |
688 | " 'arguments': { 'value': %f } }", value); | |
4c27486d | 689 | g_assert(qdict_haskey(rsp, "return")); |
cb3e7f08 | 690 | qobject_unref(rsp); |
c44a56d8 | 691 | migrate_check_parameter(who, "downtime-limit", value * 1000); |
4c27486d JQ |
692 | } |
693 | ||
c44a56d8 | 694 | static void deprecated_set_speed(QTestState *who, long long value) |
4c27486d JQ |
695 | { |
696 | QDict *rsp; | |
4c27486d | 697 | |
c44a56d8 MA |
698 | rsp = qtest_qmp(who, "{ 'execute': 'migrate_set_speed'," |
699 | "'arguments': { 'value': %lld } }", value); | |
4c27486d | 700 | g_assert(qdict_haskey(rsp, "return")); |
cb3e7f08 | 701 | qobject_unref(rsp); |
4c27486d JQ |
702 | migrate_check_parameter(who, "max-bandwidth", value); |
703 | } | |
704 | ||
cdf84229 JQ |
705 | static void deprecated_set_cache_size(QTestState *who, long long value) |
706 | { | |
707 | QDict *rsp; | |
708 | ||
709 | rsp = qtest_qmp(who, "{ 'execute': 'migrate-set-cache-size'," | |
710 | "'arguments': { 'value': %lld } }", value); | |
711 | g_assert(qdict_haskey(rsp, "return")); | |
712 | qobject_unref(rsp); | |
713 | migrate_check_parameter(who, "xbzrle-cache-size", value); | |
714 | } | |
715 | ||
4c27486d JQ |
716 | static void test_deprecated(void) |
717 | { | |
718 | QTestState *from; | |
719 | ||
c02b3781 | 720 | from = qtest_start("-machine none"); |
4c27486d JQ |
721 | |
722 | deprecated_set_downtime(from, 0.12345); | |
c44a56d8 | 723 | deprecated_set_speed(from, 12345); |
cdf84229 | 724 | deprecated_set_cache_size(from, 4096); |
4c27486d JQ |
725 | |
726 | qtest_quit(from); | |
727 | } | |
728 | ||
d131662a | 729 | static int migrate_postcopy_prepare(QTestState **from_ptr, |
3e81f73c PX |
730 | QTestState **to_ptr, |
731 | bool hide_error) | |
7195a871 JQ |
732 | { |
733 | char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); | |
863e27a8 | 734 | QTestState *from, *to; |
7195a871 | 735 | |
660a9b68 | 736 | if (test_migrate_start(&from, &to, uri, hide_error, false)) { |
d131662a | 737 | return -1; |
5fd4a9c9 | 738 | } |
ea0c6d62 | 739 | |
c44a56d8 MA |
740 | migrate_set_capability(from, "postcopy-ram", true); |
741 | migrate_set_capability(to, "postcopy-ram", true); | |
742 | migrate_set_capability(to, "postcopy-blocktime", true); | |
ea0c6d62 DDAG |
743 | |
744 | /* We want to pick a speed slow enough that the test completes | |
745 | * quickly, but that it doesn't complete precopy even on a slow | |
746 | * machine, so also set the downtime. | |
747 | */ | |
c44a56d8 MA |
748 | migrate_set_parameter(from, "max-bandwidth", 100000000); |
749 | migrate_set_parameter(from, "downtime-limit", 1); | |
ea0c6d62 DDAG |
750 | |
751 | /* Wait for the first serial output from the source */ | |
752 | wait_for_serial("src_serial"); | |
753 | ||
b5bbd3f3 | 754 | migrate(from, uri, "{}"); |
d131662a | 755 | g_free(uri); |
ea0c6d62 | 756 | |
863e27a8 | 757 | wait_for_migration_pass(from); |
ea0c6d62 | 758 | |
d131662a PX |
759 | *from_ptr = from; |
760 | *to_ptr = to; | |
ea0c6d62 | 761 | |
d131662a PX |
762 | return 0; |
763 | } | |
ea0c6d62 | 764 | |
d131662a PX |
765 | static void migrate_postcopy_complete(QTestState *from, QTestState *to) |
766 | { | |
767 | wait_for_migration_complete(from); | |
ea0c6d62 | 768 | |
d131662a | 769 | /* Make sure we get at least one "B" on destination */ |
ea0c6d62 | 770 | wait_for_serial("dest_serial"); |
ea0c6d62 | 771 | |
346f3dab AP |
772 | if (uffd_feature_thread_id) { |
773 | read_blocktime(to); | |
774 | } | |
ea0c6d62 | 775 | |
2c9bb297 DDAG |
776 | test_migrate_end(from, to, true); |
777 | } | |
778 | ||
d131662a PX |
779 | static void test_postcopy(void) |
780 | { | |
781 | QTestState *from, *to; | |
782 | ||
3e81f73c | 783 | if (migrate_postcopy_prepare(&from, &to, false)) { |
d131662a PX |
784 | return; |
785 | } | |
786 | migrate_postcopy_start(from, to); | |
787 | migrate_postcopy_complete(from, to); | |
788 | } | |
789 | ||
d5f49640 PX |
790 | static void test_postcopy_recovery(void) |
791 | { | |
792 | QTestState *from, *to; | |
793 | char *uri; | |
794 | ||
3e81f73c | 795 | if (migrate_postcopy_prepare(&from, &to, true)) { |
d5f49640 PX |
796 | return; |
797 | } | |
798 | ||
799 | /* Turn postcopy speed down, 4K/s is slow enough on any machines */ | |
c44a56d8 | 800 | migrate_set_parameter(from, "max-postcopy-bandwidth", 4096); |
d5f49640 PX |
801 | |
802 | /* Now we start the postcopy */ | |
803 | migrate_postcopy_start(from, to); | |
804 | ||
805 | /* | |
806 | * Wait until postcopy is really started; we can only run the | |
807 | * migrate-pause command during a postcopy | |
808 | */ | |
809 | wait_for_migration_status(from, "postcopy-active"); | |
810 | ||
811 | /* | |
812 | * Manually stop the postcopy migration. This emulates a network | |
813 | * failure with the migration socket | |
814 | */ | |
815 | migrate_pause(from); | |
816 | ||
817 | /* | |
818 | * Wait for destination side to reach postcopy-paused state. The | |
819 | * migrate-recover command can only succeed if destination machine | |
820 | * is in the paused state | |
821 | */ | |
822 | wait_for_migration_status(to, "postcopy-paused"); | |
823 | ||
824 | /* | |
825 | * Create a new socket to emulate a new channel that is different | |
826 | * from the broken migration channel; tell the destination to | |
827 | * listen to the new port | |
828 | */ | |
829 | uri = g_strdup_printf("unix:%s/migsocket-recover", tmpfs); | |
830 | migrate_recover(to, uri); | |
831 | ||
832 | /* | |
833 | * Try to rebuild the migration channel using the resume flag and | |
834 | * the newly created channel | |
835 | */ | |
836 | wait_for_migration_status(from, "postcopy-paused"); | |
b5bbd3f3 | 837 | migrate(from, uri, "{'resume': true}"); |
d5f49640 PX |
838 | g_free(uri); |
839 | ||
840 | /* Restore the postcopy bandwidth to unlimited */ | |
c44a56d8 | 841 | migrate_set_parameter(from, "max-postcopy-bandwidth", 0); |
d5f49640 PX |
842 | |
843 | migrate_postcopy_complete(from, to); | |
844 | } | |
845 | ||
2c9bb297 DDAG |
846 | static void test_baddest(void) |
847 | { | |
848 | QTestState *from, *to; | |
e1454165 | 849 | QDict *rsp_return; |
2f7074c6 | 850 | char *status; |
2c9bb297 DDAG |
851 | bool failed; |
852 | ||
660a9b68 | 853 | if (test_migrate_start(&from, &to, "tcp:0:0", true, false)) { |
5fd4a9c9 DDAG |
854 | return; |
855 | } | |
b5bbd3f3 | 856 | migrate(from, "tcp:0:0", "{}"); |
2c9bb297 | 857 | do { |
2f7074c6 | 858 | status = migrate_query_status(from); |
2c9bb297 DDAG |
859 | g_assert(!strcmp(status, "setup") || !(strcmp(status, "failed"))); |
860 | failed = !strcmp(status, "failed"); | |
2f7074c6 | 861 | g_free(status); |
2c9bb297 DDAG |
862 | } while (!failed); |
863 | ||
864 | /* Is the machine currently running? */ | |
e1454165 | 865 | rsp_return = wait_command(from, "{ 'execute': 'query-status' }"); |
2c9bb297 DDAG |
866 | g_assert(qdict_haskey(rsp_return, "running")); |
867 | g_assert(qdict_get_bool(rsp_return, "running")); | |
e1454165 | 868 | qobject_unref(rsp_return); |
2c9bb297 DDAG |
869 | |
870 | test_migrate_end(from, to, false); | |
ea0c6d62 DDAG |
871 | } |
872 | ||
2884100c JQ |
873 | static void test_precopy_unix(void) |
874 | { | |
875 | char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); | |
876 | QTestState *from, *to; | |
877 | ||
660a9b68 | 878 | if (test_migrate_start(&from, &to, uri, false, false)) { |
5fd4a9c9 DDAG |
879 | return; |
880 | } | |
2884100c JQ |
881 | |
882 | /* We want to pick a speed slow enough that the test completes | |
883 | * quickly, but that it doesn't complete precopy even on a slow | |
884 | * machine, so also set the downtime. | |
885 | */ | |
886 | /* 1 ms should make it not converge*/ | |
c44a56d8 | 887 | migrate_set_parameter(from, "downtime-limit", 1); |
2884100c | 888 | /* 1GB/s */ |
c44a56d8 | 889 | migrate_set_parameter(from, "max-bandwidth", 1000000000); |
2884100c JQ |
890 | |
891 | /* Wait for the first serial output from the source */ | |
892 | wait_for_serial("src_serial"); | |
893 | ||
b5bbd3f3 | 894 | migrate(from, uri, "{}"); |
2884100c JQ |
895 | |
896 | wait_for_migration_pass(from); | |
897 | ||
898 | /* 300 ms should converge */ | |
c44a56d8 | 899 | migrate_set_parameter(from, "downtime-limit", 300); |
2884100c JQ |
900 | |
901 | if (!got_stop) { | |
902 | qtest_qmp_eventwait(from, "STOP"); | |
903 | } | |
904 | ||
905 | qtest_qmp_eventwait(to, "RESUME"); | |
906 | ||
907 | wait_for_serial("dest_serial"); | |
908 | wait_for_migration_complete(from); | |
909 | ||
910 | test_migrate_end(from, to, true); | |
911 | g_free(uri); | |
912 | } | |
913 | ||
660a9b68 YK |
914 | #if 0 |
915 | /* Currently upset on aarch64 TCG */ | |
916 | static void test_ignore_shared(void) | |
917 | { | |
918 | char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); | |
919 | QTestState *from, *to; | |
920 | ||
921 | if (test_migrate_start(&from, &to, uri, false, true)) { | |
922 | return; | |
923 | } | |
924 | ||
925 | migrate_set_capability(from, "x-ignore-shared", true); | |
926 | migrate_set_capability(to, "x-ignore-shared", true); | |
927 | ||
928 | /* Wait for the first serial output from the source */ | |
929 | wait_for_serial("src_serial"); | |
930 | ||
931 | migrate(from, uri, "{}"); | |
932 | ||
933 | wait_for_migration_pass(from); | |
934 | ||
935 | if (!got_stop) { | |
936 | qtest_qmp_eventwait(from, "STOP"); | |
937 | } | |
938 | ||
939 | qtest_qmp_eventwait(to, "RESUME"); | |
940 | ||
941 | wait_for_serial("dest_serial"); | |
942 | wait_for_migration_complete(from); | |
943 | ||
944 | /* Check whether shared RAM has been really skipped */ | |
945 | g_assert_cmpint(read_ram_property_int(from, "transferred"), <, 1024 * 1024); | |
946 | ||
947 | test_migrate_end(from, to, true); | |
948 | g_free(uri); | |
949 | } | |
950 | #endif | |
951 | ||
cdf84229 JQ |
952 | static void test_xbzrle(const char *uri) |
953 | { | |
954 | QTestState *from, *to; | |
955 | ||
956 | if (test_migrate_start(&from, &to, uri, false, false)) { | |
957 | return; | |
958 | } | |
959 | ||
960 | /* | |
961 | * We want to pick a speed slow enough that the test completes | |
962 | * quickly, but that it doesn't complete precopy even on a slow | |
963 | * machine, so also set the downtime. | |
964 | */ | |
965 | /* 1 ms should make it not converge*/ | |
966 | migrate_set_parameter(from, "downtime-limit", 1); | |
967 | /* 1GB/s */ | |
968 | migrate_set_parameter(from, "max-bandwidth", 1000000000); | |
969 | ||
970 | migrate_set_parameter(from, "xbzrle-cache-size", 33554432); | |
971 | ||
972 | migrate_set_capability(from, "xbzrle", "true"); | |
973 | migrate_set_capability(to, "xbzrle", "true"); | |
974 | /* Wait for the first serial output from the source */ | |
975 | wait_for_serial("src_serial"); | |
976 | ||
977 | migrate(from, uri, "{}"); | |
978 | ||
979 | wait_for_migration_pass(from); | |
980 | ||
981 | /* 300ms should converge */ | |
982 | migrate_set_parameter(from, "downtime-limit", 300); | |
983 | ||
984 | if (!got_stop) { | |
985 | qtest_qmp_eventwait(from, "STOP"); | |
986 | } | |
987 | qtest_qmp_eventwait(to, "RESUME"); | |
988 | ||
989 | wait_for_serial("dest_serial"); | |
990 | wait_for_migration_complete(from); | |
991 | ||
992 | test_migrate_end(from, to, true); | |
993 | } | |
994 | ||
995 | static void test_xbzrle_unix(void) | |
996 | { | |
997 | char *uri = g_strdup_printf("unix:%s/migsocket", tmpfs); | |
998 | ||
999 | test_xbzrle(uri); | |
1000 | g_free(uri); | |
1001 | } | |
1002 | ||
609d3844 JQ |
1003 | static void test_precopy_tcp(void) |
1004 | { | |
1005 | char *uri; | |
1006 | QTestState *from, *to; | |
1007 | ||
1008 | if (test_migrate_start(&from, &to, "tcp:127.0.0.1:0", false, false)) { | |
1009 | return; | |
1010 | } | |
1011 | ||
1012 | /* | |
1013 | * We want to pick a speed slow enough that the test completes | |
1014 | * quickly, but that it doesn't complete precopy even on a slow | |
1015 | * machine, so also set the downtime. | |
1016 | */ | |
1017 | /* 1 ms should make it not converge*/ | |
1018 | migrate_set_parameter(from, "downtime-limit", 1); | |
1019 | /* 1GB/s */ | |
1020 | migrate_set_parameter(from, "max-bandwidth", 1000000000); | |
1021 | ||
1022 | /* Wait for the first serial output from the source */ | |
1023 | wait_for_serial("src_serial"); | |
1024 | ||
1025 | uri = migrate_get_socket_address(to, "socket-address"); | |
1026 | ||
1027 | migrate(from, uri, "{}"); | |
1028 | ||
1029 | wait_for_migration_pass(from); | |
1030 | ||
1031 | /* 300ms should converge */ | |
1032 | migrate_set_parameter(from, "downtime-limit", 300); | |
1033 | ||
1034 | if (!got_stop) { | |
1035 | qtest_qmp_eventwait(from, "STOP"); | |
1036 | } | |
1037 | qtest_qmp_eventwait(to, "RESUME"); | |
1038 | ||
1039 | wait_for_serial("dest_serial"); | |
1040 | wait_for_migration_complete(from); | |
1041 | ||
1042 | test_migrate_end(from, to, true); | |
1043 | g_free(uri); | |
1044 | } | |
1045 | ||
24d5588c YK |
1046 | static void test_migrate_fd_proto(void) |
1047 | { | |
1048 | QTestState *from, *to; | |
1049 | int ret; | |
1050 | int pair[2]; | |
1051 | QDict *rsp; | |
1052 | const char *error_desc; | |
1053 | ||
1054 | if (test_migrate_start(&from, &to, "defer", false, false)) { | |
1055 | return; | |
1056 | } | |
1057 | ||
1058 | /* | |
1059 | * We want to pick a speed slow enough that the test completes | |
1060 | * quickly, but that it doesn't complete precopy even on a slow | |
1061 | * machine, so also set the downtime. | |
1062 | */ | |
1063 | /* 1 ms should make it not converge */ | |
1064 | migrate_set_parameter(from, "downtime-limit", 1); | |
1065 | /* 1GB/s */ | |
1066 | migrate_set_parameter(from, "max-bandwidth", 1000000000); | |
1067 | ||
1068 | /* Wait for the first serial output from the source */ | |
1069 | wait_for_serial("src_serial"); | |
1070 | ||
1071 | /* Create two connected sockets for migration */ | |
1072 | ret = socketpair(PF_LOCAL, SOCK_STREAM, 0, pair); | |
1073 | g_assert_cmpint(ret, ==, 0); | |
1074 | ||
1075 | /* Send the 1st socket to the target */ | |
1076 | rsp = wait_command_fd(to, pair[0], | |
1077 | "{ 'execute': 'getfd'," | |
1078 | " 'arguments': { 'fdname': 'fd-mig' }}"); | |
1079 | qobject_unref(rsp); | |
1080 | close(pair[0]); | |
1081 | ||
1082 | /* Start incoming migration from the 1st socket */ | |
1083 | rsp = wait_command(to, "{ 'execute': 'migrate-incoming'," | |
1084 | " 'arguments': { 'uri': 'fd:fd-mig' }}"); | |
1085 | qobject_unref(rsp); | |
1086 | ||
1087 | /* Send the 2nd socket to the target */ | |
1088 | rsp = wait_command_fd(from, pair[1], | |
1089 | "{ 'execute': 'getfd'," | |
1090 | " 'arguments': { 'fdname': 'fd-mig' }}"); | |
1091 | qobject_unref(rsp); | |
1092 | close(pair[1]); | |
1093 | ||
1094 | /* Start migration to the 2nd socket*/ | |
1095 | migrate(from, "fd:fd-mig", "{}"); | |
1096 | ||
1097 | wait_for_migration_pass(from); | |
1098 | ||
1099 | /* 300ms should converge */ | |
1100 | migrate_set_parameter(from, "downtime-limit", 300); | |
1101 | ||
1102 | if (!got_stop) { | |
1103 | qtest_qmp_eventwait(from, "STOP"); | |
1104 | } | |
1105 | qtest_qmp_eventwait(to, "RESUME"); | |
1106 | ||
1107 | /* Test closing fds */ | |
1108 | /* We assume, that QEMU removes named fd from its list, | |
1109 | * so this should fail */ | |
1110 | rsp = qtest_qmp(from, "{ 'execute': 'closefd'," | |
1111 | " 'arguments': { 'fdname': 'fd-mig' }}"); | |
1112 | g_assert_true(qdict_haskey(rsp, "error")); | |
1113 | error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); | |
1114 | g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); | |
1115 | qobject_unref(rsp); | |
1116 | ||
1117 | rsp = qtest_qmp(to, "{ 'execute': 'closefd'," | |
1118 | " 'arguments': { 'fdname': 'fd-mig' }}"); | |
1119 | g_assert_true(qdict_haskey(rsp, "error")); | |
1120 | error_desc = qdict_get_str(qdict_get_qdict(rsp, "error"), "desc"); | |
1121 | g_assert_cmpstr(error_desc, ==, "File descriptor named 'fd-mig' not found"); | |
1122 | qobject_unref(rsp); | |
1123 | ||
1124 | /* Complete migration */ | |
1125 | wait_for_serial("dest_serial"); | |
1126 | wait_for_migration_complete(from); | |
1127 | test_migrate_end(from, to, true); | |
1128 | } | |
1129 | ||
ea0c6d62 DDAG |
1130 | int main(int argc, char **argv) |
1131 | { | |
2656bfd9 | 1132 | char template[] = "/tmp/migration-test-XXXXXX"; |
ea0c6d62 DDAG |
1133 | int ret; |
1134 | ||
1135 | g_test_init(&argc, &argv, NULL); | |
1136 | ||
1137 | if (!ufd_version_check()) { | |
4848cb3d | 1138 | return g_test_run(); |
ea0c6d62 DDAG |
1139 | } |
1140 | ||
880b169a TH |
1141 | /* |
1142 | * On ppc64, the test only works with kvm-hv, but not with kvm-pr and TCG | |
1143 | * is touchy due to race conditions on dirty bits (especially on PPC for | |
1144 | * some reason) | |
1145 | */ | |
1146 | if (g_str_equal(qtest_get_arch(), "ppc64") && | |
1147 | access("/sys/module/kvm_hv", F_OK)) { | |
1148 | g_test_message("Skipping test: kvm_hv not available"); | |
4848cb3d | 1149 | return g_test_run(); |
880b169a TH |
1150 | } |
1151 | ||
d254b392 TH |
1152 | /* |
1153 | * Similar to ppc64, s390x seems to be touchy with TCG, so disable it | |
1154 | * there until the problems are resolved | |
1155 | */ | |
1156 | if (g_str_equal(qtest_get_arch(), "s390x")) { | |
1157 | #if defined(HOST_S390X) | |
1158 | if (access("/dev/kvm", R_OK | W_OK)) { | |
1159 | g_test_message("Skipping test: kvm not available"); | |
4848cb3d | 1160 | return g_test_run(); |
d254b392 TH |
1161 | } |
1162 | #else | |
1163 | g_test_message("Skipping test: Need s390x host to work properly"); | |
4848cb3d | 1164 | return g_test_run(); |
d254b392 TH |
1165 | #endif |
1166 | } | |
1167 | ||
ea0c6d62 DDAG |
1168 | tmpfs = mkdtemp(template); |
1169 | if (!tmpfs) { | |
13ee9e30 | 1170 | g_test_message("mkdtemp on path (%s): %s", template, strerror(errno)); |
ea0c6d62 DDAG |
1171 | } |
1172 | g_assert(tmpfs); | |
1173 | ||
1174 | module_call_init(MODULE_INIT_QOM); | |
1175 | ||
2884100c | 1176 | qtest_add_func("/migration/postcopy/unix", test_postcopy); |
d5f49640 | 1177 | qtest_add_func("/migration/postcopy/recovery", test_postcopy_recovery); |
4c27486d | 1178 | qtest_add_func("/migration/deprecated", test_deprecated); |
2c9bb297 | 1179 | qtest_add_func("/migration/bad_dest", test_baddest); |
2884100c | 1180 | qtest_add_func("/migration/precopy/unix", test_precopy_unix); |
609d3844 | 1181 | qtest_add_func("/migration/precopy/tcp", test_precopy_tcp); |
660a9b68 | 1182 | /* qtest_add_func("/migration/ignore_shared", test_ignore_shared); */ |
cdf84229 | 1183 | qtest_add_func("/migration/xbzrle/unix", test_xbzrle_unix); |
24d5588c | 1184 | qtest_add_func("/migration/fd_proto", test_migrate_fd_proto); |
ea0c6d62 DDAG |
1185 | |
1186 | ret = g_test_run(); | |
1187 | ||
1188 | g_assert_cmpint(ret, ==, 0); | |
1189 | ||
1190 | ret = rmdir(tmpfs); | |
1191 | if (ret != 0) { | |
13ee9e30 | 1192 | g_test_message("unable to rmdir: path (%s): %s", |
ea0c6d62 DDAG |
1193 | tmpfs, strerror(errno)); |
1194 | } | |
1195 | ||
1196 | return ret; | |
1197 | } |