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1f0776f1 JQ |
1 | /* |
2 | * QEMU migration capabilities | |
3 | * | |
4 | * Copyright (c) 2012-2023 Red Hat Inc | |
5 | * | |
6 | * Authors: | |
7 | * Orit Wasserman <owasserm@redhat.com> | |
8 | * Juan Quintela <quintela@redhat.com> | |
9 | * | |
10 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
11 | * See the COPYING file in the top-level directory. | |
12 | */ | |
13 | ||
14 | #include "qemu/osdep.h" | |
66db46ca | 15 | #include "qemu/error-report.h" |
09d6c965 | 16 | #include "exec/target_page.h" |
9c894df3 | 17 | #include "qapi/clone-visitor.h" |
77608706 | 18 | #include "qapi/error.h" |
4d0c6b69 | 19 | #include "qapi/qapi-commands-migration.h" |
9c894df3 | 20 | #include "qapi/qapi-visit-migration.h" |
f80196b7 | 21 | #include "qapi/qmp/qerror.h" |
09d6c965 | 22 | #include "qapi/qmp/qnull.h" |
77608706 | 23 | #include "sysemu/runstate.h" |
09d6c965 | 24 | #include "migration/colo.h" |
2682c4ee | 25 | #include "migration/misc.h" |
1f0776f1 | 26 | #include "migration.h" |
e1fde0e0 | 27 | #include "migration-stats.h" |
09d6c965 | 28 | #include "qemu-file.h" |
77608706 | 29 | #include "ram.h" |
1f0776f1 | 30 | #include "options.h" |
dc623955 | 31 | #include "sysemu/kvm.h" |
1f0776f1 | 32 | |
09d6c965 JQ |
33 | /* Maximum migrate downtime set to 2000 seconds */ |
34 | #define MAX_MIGRATE_DOWNTIME_SECONDS 2000 | |
35 | #define MAX_MIGRATE_DOWNTIME (MAX_MIGRATE_DOWNTIME_SECONDS * 1000) | |
36 | ||
f9436522 JQ |
37 | #define MAX_THROTTLE (128 << 20) /* Migration transfer speed throttling */ |
38 | ||
39 | /* Time in milliseconds we are allowed to stop the source, | |
40 | * for sending the last part */ | |
41 | #define DEFAULT_MIGRATE_SET_DOWNTIME 300 | |
42 | ||
43 | /* Default compression thread count */ | |
44 | #define DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT 8 | |
45 | /* Default decompression thread count, usually decompression is at | |
46 | * least 4 times as fast as compression.*/ | |
47 | #define DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT 2 | |
48 | /*0: means nocompress, 1: best speed, ... 9: best compress ratio */ | |
49 | #define DEFAULT_MIGRATE_COMPRESS_LEVEL 1 | |
50 | /* Define default autoconverge cpu throttle migration parameters */ | |
51 | #define DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD 50 | |
52 | #define DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL 20 | |
53 | #define DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT 10 | |
54 | #define DEFAULT_MIGRATE_MAX_CPU_THROTTLE 99 | |
55 | ||
56 | /* Migration XBZRLE default cache size */ | |
57 | #define DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE (64 * 1024 * 1024) | |
58 | ||
59 | /* The delay time (in ms) between two COLO checkpoints */ | |
60 | #define DEFAULT_MIGRATE_X_CHECKPOINT_DELAY (200 * 100) | |
61 | #define DEFAULT_MIGRATE_MULTIFD_CHANNELS 2 | |
62 | #define DEFAULT_MIGRATE_MULTIFD_COMPRESSION MULTIFD_COMPRESSION_NONE | |
63 | /* 0: means nocompress, 1: best speed, ... 9: best compress ratio */ | |
64 | #define DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL 1 | |
65 | /* 0: means nocompress, 1: best speed, ... 20: best compress ratio */ | |
66 | #define DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL 1 | |
67 | ||
68 | /* Background transfer rate for postcopy, 0 means unlimited, note | |
69 | * that page requests can still exceed this limit. | |
70 | */ | |
71 | #define DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH 0 | |
72 | ||
73 | /* | |
74 | * Parameters for self_announce_delay giving a stream of RARP/ARP | |
75 | * packets after migration. | |
76 | */ | |
77 | #define DEFAULT_MIGRATE_ANNOUNCE_INITIAL 50 | |
78 | #define DEFAULT_MIGRATE_ANNOUNCE_MAX 550 | |
79 | #define DEFAULT_MIGRATE_ANNOUNCE_ROUNDS 5 | |
80 | #define DEFAULT_MIGRATE_ANNOUNCE_STEP 100 | |
81 | ||
82 | #define DEFINE_PROP_MIG_CAP(name, x) \ | |
83 | DEFINE_PROP_BOOL(name, MigrationState, capabilities[x], false) | |
84 | ||
4d807857 | 85 | #define DEFAULT_MIGRATE_VCPU_DIRTY_LIMIT_PERIOD 1000 /* milliseconds */ |
09f9ec99 | 86 | #define DEFAULT_MIGRATE_VCPU_DIRTY_LIMIT 1 /* MB/s */ |
4d807857 | 87 | |
f9436522 JQ |
88 | Property migration_properties[] = { |
89 | DEFINE_PROP_BOOL("store-global-state", MigrationState, | |
90 | store_global_state, true), | |
91 | DEFINE_PROP_BOOL("send-configuration", MigrationState, | |
92 | send_configuration, true), | |
93 | DEFINE_PROP_BOOL("send-section-footer", MigrationState, | |
94 | send_section_footer, true), | |
95 | DEFINE_PROP_BOOL("decompress-error-check", MigrationState, | |
96 | decompress_error_check, true), | |
77c259a4 | 97 | DEFINE_PROP_BOOL("multifd-flush-after-each-section", MigrationState, |
294e5a40 | 98 | multifd_flush_after_each_section, false), |
f9436522 JQ |
99 | DEFINE_PROP_UINT8("x-clear-bitmap-shift", MigrationState, |
100 | clear_bitmap_shift, CLEAR_BITMAP_SHIFT_DEFAULT), | |
101 | DEFINE_PROP_BOOL("x-preempt-pre-7-2", MigrationState, | |
102 | preempt_pre_7_2, false), | |
103 | ||
104 | /* Migration parameters */ | |
105 | DEFINE_PROP_UINT8("x-compress-level", MigrationState, | |
106 | parameters.compress_level, | |
107 | DEFAULT_MIGRATE_COMPRESS_LEVEL), | |
108 | DEFINE_PROP_UINT8("x-compress-threads", MigrationState, | |
109 | parameters.compress_threads, | |
110 | DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT), | |
111 | DEFINE_PROP_BOOL("x-compress-wait-thread", MigrationState, | |
112 | parameters.compress_wait_thread, true), | |
113 | DEFINE_PROP_UINT8("x-decompress-threads", MigrationState, | |
114 | parameters.decompress_threads, | |
115 | DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT), | |
116 | DEFINE_PROP_UINT8("x-throttle-trigger-threshold", MigrationState, | |
117 | parameters.throttle_trigger_threshold, | |
118 | DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD), | |
119 | DEFINE_PROP_UINT8("x-cpu-throttle-initial", MigrationState, | |
120 | parameters.cpu_throttle_initial, | |
121 | DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL), | |
122 | DEFINE_PROP_UINT8("x-cpu-throttle-increment", MigrationState, | |
123 | parameters.cpu_throttle_increment, | |
124 | DEFAULT_MIGRATE_CPU_THROTTLE_INCREMENT), | |
125 | DEFINE_PROP_BOOL("x-cpu-throttle-tailslow", MigrationState, | |
126 | parameters.cpu_throttle_tailslow, false), | |
127 | DEFINE_PROP_SIZE("x-max-bandwidth", MigrationState, | |
128 | parameters.max_bandwidth, MAX_THROTTLE), | |
8b239597 PX |
129 | DEFINE_PROP_SIZE("avail-switchover-bandwidth", MigrationState, |
130 | parameters.avail_switchover_bandwidth, 0), | |
f9436522 JQ |
131 | DEFINE_PROP_UINT64("x-downtime-limit", MigrationState, |
132 | parameters.downtime_limit, | |
133 | DEFAULT_MIGRATE_SET_DOWNTIME), | |
134 | DEFINE_PROP_UINT32("x-checkpoint-delay", MigrationState, | |
135 | parameters.x_checkpoint_delay, | |
136 | DEFAULT_MIGRATE_X_CHECKPOINT_DELAY), | |
137 | DEFINE_PROP_UINT8("multifd-channels", MigrationState, | |
138 | parameters.multifd_channels, | |
139 | DEFAULT_MIGRATE_MULTIFD_CHANNELS), | |
140 | DEFINE_PROP_MULTIFD_COMPRESSION("multifd-compression", MigrationState, | |
141 | parameters.multifd_compression, | |
142 | DEFAULT_MIGRATE_MULTIFD_COMPRESSION), | |
143 | DEFINE_PROP_UINT8("multifd-zlib-level", MigrationState, | |
144 | parameters.multifd_zlib_level, | |
145 | DEFAULT_MIGRATE_MULTIFD_ZLIB_LEVEL), | |
146 | DEFINE_PROP_UINT8("multifd-zstd-level", MigrationState, | |
147 | parameters.multifd_zstd_level, | |
148 | DEFAULT_MIGRATE_MULTIFD_ZSTD_LEVEL), | |
149 | DEFINE_PROP_SIZE("xbzrle-cache-size", MigrationState, | |
150 | parameters.xbzrle_cache_size, | |
151 | DEFAULT_MIGRATE_XBZRLE_CACHE_SIZE), | |
152 | DEFINE_PROP_SIZE("max-postcopy-bandwidth", MigrationState, | |
153 | parameters.max_postcopy_bandwidth, | |
154 | DEFAULT_MIGRATE_MAX_POSTCOPY_BANDWIDTH), | |
155 | DEFINE_PROP_UINT8("max-cpu-throttle", MigrationState, | |
156 | parameters.max_cpu_throttle, | |
157 | DEFAULT_MIGRATE_MAX_CPU_THROTTLE), | |
158 | DEFINE_PROP_SIZE("announce-initial", MigrationState, | |
159 | parameters.announce_initial, | |
160 | DEFAULT_MIGRATE_ANNOUNCE_INITIAL), | |
161 | DEFINE_PROP_SIZE("announce-max", MigrationState, | |
162 | parameters.announce_max, | |
163 | DEFAULT_MIGRATE_ANNOUNCE_MAX), | |
164 | DEFINE_PROP_SIZE("announce-rounds", MigrationState, | |
165 | parameters.announce_rounds, | |
166 | DEFAULT_MIGRATE_ANNOUNCE_ROUNDS), | |
167 | DEFINE_PROP_SIZE("announce-step", MigrationState, | |
168 | parameters.announce_step, | |
169 | DEFAULT_MIGRATE_ANNOUNCE_STEP), | |
170 | DEFINE_PROP_STRING("tls-creds", MigrationState, parameters.tls_creds), | |
171 | DEFINE_PROP_STRING("tls-hostname", MigrationState, parameters.tls_hostname), | |
172 | DEFINE_PROP_STRING("tls-authz", MigrationState, parameters.tls_authz), | |
4d807857 HH |
173 | DEFINE_PROP_UINT64("x-vcpu-dirty-limit-period", MigrationState, |
174 | parameters.x_vcpu_dirty_limit_period, | |
175 | DEFAULT_MIGRATE_VCPU_DIRTY_LIMIT_PERIOD), | |
09f9ec99 HH |
176 | DEFINE_PROP_UINT64("vcpu-dirty-limit", MigrationState, |
177 | parameters.vcpu_dirty_limit, | |
178 | DEFAULT_MIGRATE_VCPU_DIRTY_LIMIT), | |
eea1e5c9 SS |
179 | DEFINE_PROP_MIG_MODE("mode", MigrationState, |
180 | parameters.mode, | |
181 | MIG_MODE_NORMAL), | |
f9436522 JQ |
182 | |
183 | /* Migration capabilities */ | |
184 | DEFINE_PROP_MIG_CAP("x-xbzrle", MIGRATION_CAPABILITY_XBZRLE), | |
185 | DEFINE_PROP_MIG_CAP("x-rdma-pin-all", MIGRATION_CAPABILITY_RDMA_PIN_ALL), | |
186 | DEFINE_PROP_MIG_CAP("x-auto-converge", MIGRATION_CAPABILITY_AUTO_CONVERGE), | |
187 | DEFINE_PROP_MIG_CAP("x-zero-blocks", MIGRATION_CAPABILITY_ZERO_BLOCKS), | |
188 | DEFINE_PROP_MIG_CAP("x-compress", MIGRATION_CAPABILITY_COMPRESS), | |
189 | DEFINE_PROP_MIG_CAP("x-events", MIGRATION_CAPABILITY_EVENTS), | |
190 | DEFINE_PROP_MIG_CAP("x-postcopy-ram", MIGRATION_CAPABILITY_POSTCOPY_RAM), | |
191 | DEFINE_PROP_MIG_CAP("x-postcopy-preempt", | |
192 | MIGRATION_CAPABILITY_POSTCOPY_PREEMPT), | |
193 | DEFINE_PROP_MIG_CAP("x-colo", MIGRATION_CAPABILITY_X_COLO), | |
194 | DEFINE_PROP_MIG_CAP("x-release-ram", MIGRATION_CAPABILITY_RELEASE_RAM), | |
195 | DEFINE_PROP_MIG_CAP("x-block", MIGRATION_CAPABILITY_BLOCK), | |
196 | DEFINE_PROP_MIG_CAP("x-return-path", MIGRATION_CAPABILITY_RETURN_PATH), | |
197 | DEFINE_PROP_MIG_CAP("x-multifd", MIGRATION_CAPABILITY_MULTIFD), | |
198 | DEFINE_PROP_MIG_CAP("x-background-snapshot", | |
199 | MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT), | |
200 | #ifdef CONFIG_LINUX | |
201 | DEFINE_PROP_MIG_CAP("x-zero-copy-send", | |
202 | MIGRATION_CAPABILITY_ZERO_COPY_SEND), | |
203 | #endif | |
6574232f AH |
204 | DEFINE_PROP_MIG_CAP("x-switchover-ack", |
205 | MIGRATION_CAPABILITY_SWITCHOVER_ACK), | |
dc623955 | 206 | DEFINE_PROP_MIG_CAP("x-dirty-limit", MIGRATION_CAPABILITY_DIRTY_LIMIT), |
f9436522 JQ |
207 | DEFINE_PROP_END_OF_LIST(), |
208 | }; | |
209 | ||
1f0776f1 JQ |
210 | bool migrate_auto_converge(void) |
211 | { | |
8f9c5327 | 212 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
213 | |
214 | return s->capabilities[MIGRATION_CAPABILITY_AUTO_CONVERGE]; | |
215 | } | |
216 | ||
217 | bool migrate_background_snapshot(void) | |
218 | { | |
8f9c5327 | 219 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
220 | |
221 | return s->capabilities[MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT]; | |
222 | } | |
223 | ||
9d4b1e5f JQ |
224 | bool migrate_block(void) |
225 | { | |
8f9c5327 | 226 | MigrationState *s = migrate_get_current(); |
9d4b1e5f JQ |
227 | |
228 | return s->capabilities[MIGRATION_CAPABILITY_BLOCK]; | |
229 | } | |
230 | ||
5e804644 JQ |
231 | bool migrate_colo(void) |
232 | { | |
233 | MigrationState *s = migrate_get_current(); | |
8f9c5327 | 234 | |
5e804644 JQ |
235 | return s->capabilities[MIGRATION_CAPABILITY_X_COLO]; |
236 | } | |
237 | ||
a7a94d14 JQ |
238 | bool migrate_compress(void) |
239 | { | |
8f9c5327 | 240 | MigrationState *s = migrate_get_current(); |
a7a94d14 JQ |
241 | |
242 | return s->capabilities[MIGRATION_CAPABILITY_COMPRESS]; | |
243 | } | |
244 | ||
1f0776f1 JQ |
245 | bool migrate_dirty_bitmaps(void) |
246 | { | |
8f9c5327 | 247 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
248 | |
249 | return s->capabilities[MIGRATION_CAPABILITY_DIRTY_BITMAPS]; | |
250 | } | |
251 | ||
dc623955 HH |
252 | bool migrate_dirty_limit(void) |
253 | { | |
254 | MigrationState *s = migrate_get_current(); | |
255 | ||
256 | return s->capabilities[MIGRATION_CAPABILITY_DIRTY_LIMIT]; | |
257 | } | |
258 | ||
b890902c JQ |
259 | bool migrate_events(void) |
260 | { | |
8f9c5327 | 261 | MigrationState *s = migrate_get_current(); |
b890902c JQ |
262 | |
263 | return s->capabilities[MIGRATION_CAPABILITY_EVENTS]; | |
264 | } | |
265 | ||
1f0776f1 JQ |
266 | bool migrate_ignore_shared(void) |
267 | { | |
8f9c5327 | 268 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
269 | |
270 | return s->capabilities[MIGRATION_CAPABILITY_X_IGNORE_SHARED]; | |
271 | } | |
272 | ||
273 | bool migrate_late_block_activate(void) | |
274 | { | |
8f9c5327 | 275 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
276 | |
277 | return s->capabilities[MIGRATION_CAPABILITY_LATE_BLOCK_ACTIVATE]; | |
278 | } | |
279 | ||
51b07548 JQ |
280 | bool migrate_multifd(void) |
281 | { | |
8f9c5327 | 282 | MigrationState *s = migrate_get_current(); |
51b07548 JQ |
283 | |
284 | return s->capabilities[MIGRATION_CAPABILITY_MULTIFD]; | |
285 | } | |
286 | ||
1f0776f1 JQ |
287 | bool migrate_pause_before_switchover(void) |
288 | { | |
8f9c5327 | 289 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
290 | |
291 | return s->capabilities[MIGRATION_CAPABILITY_PAUSE_BEFORE_SWITCHOVER]; | |
292 | } | |
293 | ||
294 | bool migrate_postcopy_blocktime(void) | |
295 | { | |
8f9c5327 | 296 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
297 | |
298 | return s->capabilities[MIGRATION_CAPABILITY_POSTCOPY_BLOCKTIME]; | |
299 | } | |
300 | ||
301 | bool migrate_postcopy_preempt(void) | |
302 | { | |
8f9c5327 | 303 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
304 | |
305 | return s->capabilities[MIGRATION_CAPABILITY_POSTCOPY_PREEMPT]; | |
306 | } | |
307 | ||
308 | bool migrate_postcopy_ram(void) | |
309 | { | |
8f9c5327 | 310 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
311 | |
312 | return s->capabilities[MIGRATION_CAPABILITY_POSTCOPY_RAM]; | |
313 | } | |
314 | ||
17cba690 JQ |
315 | bool migrate_rdma_pin_all(void) |
316 | { | |
317 | MigrationState *s = migrate_get_current(); | |
318 | ||
319 | return s->capabilities[MIGRATION_CAPABILITY_RDMA_PIN_ALL]; | |
320 | } | |
321 | ||
1f0776f1 JQ |
322 | bool migrate_release_ram(void) |
323 | { | |
8f9c5327 | 324 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
325 | |
326 | return s->capabilities[MIGRATION_CAPABILITY_RELEASE_RAM]; | |
327 | } | |
328 | ||
38ad1110 JQ |
329 | bool migrate_return_path(void) |
330 | { | |
8f9c5327 | 331 | MigrationState *s = migrate_get_current(); |
38ad1110 JQ |
332 | |
333 | return s->capabilities[MIGRATION_CAPABILITY_RETURN_PATH]; | |
334 | } | |
335 | ||
6574232f AH |
336 | bool migrate_switchover_ack(void) |
337 | { | |
338 | MigrationState *s = migrate_get_current(); | |
339 | ||
340 | return s->capabilities[MIGRATION_CAPABILITY_SWITCHOVER_ACK]; | |
341 | } | |
342 | ||
1f0776f1 JQ |
343 | bool migrate_validate_uuid(void) |
344 | { | |
8f9c5327 | 345 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
346 | |
347 | return s->capabilities[MIGRATION_CAPABILITY_VALIDATE_UUID]; | |
348 | } | |
349 | ||
87dca0c9 JQ |
350 | bool migrate_xbzrle(void) |
351 | { | |
8f9c5327 | 352 | MigrationState *s = migrate_get_current(); |
87dca0c9 JQ |
353 | |
354 | return s->capabilities[MIGRATION_CAPABILITY_XBZRLE]; | |
355 | } | |
356 | ||
1f0776f1 JQ |
357 | bool migrate_zero_blocks(void) |
358 | { | |
8f9c5327 | 359 | MigrationState *s = migrate_get_current(); |
1f0776f1 JQ |
360 | |
361 | return s->capabilities[MIGRATION_CAPABILITY_ZERO_BLOCKS]; | |
362 | } | |
b4bc342c JQ |
363 | |
364 | bool migrate_zero_copy_send(void) | |
365 | { | |
8f9c5327 | 366 | MigrationState *s = migrate_get_current(); |
b4bc342c JQ |
367 | |
368 | return s->capabilities[MIGRATION_CAPABILITY_ZERO_COPY_SEND]; | |
369 | } | |
f774fde5 JQ |
370 | |
371 | /* pseudo capabilities */ | |
372 | ||
77c259a4 JQ |
373 | bool migrate_multifd_flush_after_each_section(void) |
374 | { | |
375 | MigrationState *s = migrate_get_current(); | |
376 | ||
294e5a40 | 377 | return s->multifd_flush_after_each_section; |
77c259a4 JQ |
378 | } |
379 | ||
f774fde5 JQ |
380 | bool migrate_postcopy(void) |
381 | { | |
382 | return migrate_postcopy_ram() || migrate_dirty_bitmaps(); | |
383 | } | |
384 | ||
27fd25b0 JQ |
385 | bool migrate_rdma(void) |
386 | { | |
387 | MigrationState *s = migrate_get_current(); | |
388 | ||
389 | return s->rdma_migration; | |
390 | } | |
391 | ||
10d4703b JQ |
392 | bool migrate_tls(void) |
393 | { | |
8f9c5327 | 394 | MigrationState *s = migrate_get_current(); |
10d4703b JQ |
395 | |
396 | return s->parameters.tls_creds && *s->parameters.tls_creds; | |
397 | } | |
398 | ||
77608706 JQ |
399 | typedef enum WriteTrackingSupport { |
400 | WT_SUPPORT_UNKNOWN = 0, | |
401 | WT_SUPPORT_ABSENT, | |
402 | WT_SUPPORT_AVAILABLE, | |
403 | WT_SUPPORT_COMPATIBLE | |
404 | } WriteTrackingSupport; | |
405 | ||
406 | static | |
407 | WriteTrackingSupport migrate_query_write_tracking(void) | |
408 | { | |
409 | /* Check if kernel supports required UFFD features */ | |
410 | if (!ram_write_tracking_available()) { | |
411 | return WT_SUPPORT_ABSENT; | |
412 | } | |
413 | /* | |
414 | * Check if current memory configuration is | |
415 | * compatible with required UFFD features. | |
416 | */ | |
417 | if (!ram_write_tracking_compatible()) { | |
418 | return WT_SUPPORT_AVAILABLE; | |
419 | } | |
420 | ||
421 | return WT_SUPPORT_COMPATIBLE; | |
422 | } | |
423 | ||
424 | /* Migration capabilities set */ | |
425 | struct MigrateCapsSet { | |
426 | int size; /* Capability set size */ | |
427 | MigrationCapability caps[]; /* Variadic array of capabilities */ | |
428 | }; | |
429 | typedef struct MigrateCapsSet MigrateCapsSet; | |
430 | ||
431 | /* Define and initialize MigrateCapsSet */ | |
432 | #define INITIALIZE_MIGRATE_CAPS_SET(_name, ...) \ | |
433 | MigrateCapsSet _name = { \ | |
434 | .size = sizeof((int []) { __VA_ARGS__ }) / sizeof(int), \ | |
435 | .caps = { __VA_ARGS__ } \ | |
436 | } | |
437 | ||
438 | /* Background-snapshot compatibility check list */ | |
439 | static const | |
440 | INITIALIZE_MIGRATE_CAPS_SET(check_caps_background_snapshot, | |
441 | MIGRATION_CAPABILITY_POSTCOPY_RAM, | |
442 | MIGRATION_CAPABILITY_DIRTY_BITMAPS, | |
443 | MIGRATION_CAPABILITY_POSTCOPY_BLOCKTIME, | |
444 | MIGRATION_CAPABILITY_LATE_BLOCK_ACTIVATE, | |
445 | MIGRATION_CAPABILITY_RETURN_PATH, | |
446 | MIGRATION_CAPABILITY_MULTIFD, | |
447 | MIGRATION_CAPABILITY_PAUSE_BEFORE_SWITCHOVER, | |
448 | MIGRATION_CAPABILITY_AUTO_CONVERGE, | |
449 | MIGRATION_CAPABILITY_RELEASE_RAM, | |
450 | MIGRATION_CAPABILITY_RDMA_PIN_ALL, | |
451 | MIGRATION_CAPABILITY_COMPRESS, | |
452 | MIGRATION_CAPABILITY_XBZRLE, | |
453 | MIGRATION_CAPABILITY_X_COLO, | |
454 | MIGRATION_CAPABILITY_VALIDATE_UUID, | |
455 | MIGRATION_CAPABILITY_ZERO_COPY_SEND); | |
456 | ||
82137e6c WW |
457 | static bool migrate_incoming_started(void) |
458 | { | |
459 | return !!migration_incoming_get_current()->transport_data; | |
460 | } | |
461 | ||
77608706 JQ |
462 | /** |
463 | * @migration_caps_check - check capability compatibility | |
464 | * | |
465 | * @old_caps: old capability list | |
466 | * @new_caps: new capability list | |
467 | * @errp: set *errp if the check failed, with reason | |
468 | * | |
469 | * Returns true if check passed, otherwise false. | |
470 | */ | |
471 | bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp) | |
472 | { | |
473 | MigrationIncomingState *mis = migration_incoming_get_current(); | |
474 | ||
74c38cf7 | 475 | ERRP_GUARD(); |
77608706 JQ |
476 | #ifndef CONFIG_LIVE_BLOCK_MIGRATION |
477 | if (new_caps[MIGRATION_CAPABILITY_BLOCK]) { | |
478 | error_setg(errp, "QEMU compiled without old-style (blk/-b, inc/-i) " | |
479 | "block migration"); | |
66db46ca | 480 | error_append_hint(errp, "Use blockdev-mirror with NBD instead.\n"); |
77608706 JQ |
481 | return false; |
482 | } | |
483 | #endif | |
66db46ca JQ |
484 | if (new_caps[MIGRATION_CAPABILITY_BLOCK]) { |
485 | warn_report("block migration is deprecated;" | |
486 | " use blockdev-mirror with NBD instead"); | |
487 | } | |
77608706 | 488 | |
864128df JQ |
489 | if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) { |
490 | warn_report("old compression method is deprecated;" | |
491 | " use multifd compression methods instead"); | |
492 | } | |
493 | ||
77608706 JQ |
494 | #ifndef CONFIG_REPLICATION |
495 | if (new_caps[MIGRATION_CAPABILITY_X_COLO]) { | |
496 | error_setg(errp, "QEMU compiled without replication module" | |
497 | " can't enable COLO"); | |
498 | error_append_hint(errp, "Please enable replication before COLO.\n"); | |
499 | return false; | |
500 | } | |
501 | #endif | |
502 | ||
503 | if (new_caps[MIGRATION_CAPABILITY_POSTCOPY_RAM]) { | |
504 | /* This check is reasonably expensive, so only when it's being | |
505 | * set the first time, also it's only the destination that needs | |
506 | * special support. | |
507 | */ | |
508 | if (!old_caps[MIGRATION_CAPABILITY_POSTCOPY_RAM] && | |
509 | runstate_check(RUN_STATE_INMIGRATE) && | |
74c38cf7 PX |
510 | !postcopy_ram_supported_by_host(mis, errp)) { |
511 | error_prepend(errp, "Postcopy is not supported: "); | |
77608706 JQ |
512 | return false; |
513 | } | |
514 | ||
515 | if (new_caps[MIGRATION_CAPABILITY_X_IGNORE_SHARED]) { | |
516 | error_setg(errp, "Postcopy is not compatible with ignore-shared"); | |
517 | return false; | |
518 | } | |
b405dfff LB |
519 | |
520 | if (new_caps[MIGRATION_CAPABILITY_MULTIFD]) { | |
521 | error_setg(errp, "Postcopy is not yet compatible with multifd"); | |
522 | return false; | |
523 | } | |
77608706 JQ |
524 | } |
525 | ||
526 | if (new_caps[MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT]) { | |
527 | WriteTrackingSupport wt_support; | |
528 | int idx; | |
529 | /* | |
530 | * Check if 'background-snapshot' capability is supported by | |
531 | * host kernel and compatible with guest memory configuration. | |
532 | */ | |
533 | wt_support = migrate_query_write_tracking(); | |
534 | if (wt_support < WT_SUPPORT_AVAILABLE) { | |
535 | error_setg(errp, "Background-snapshot is not supported by host kernel"); | |
536 | return false; | |
537 | } | |
538 | if (wt_support < WT_SUPPORT_COMPATIBLE) { | |
539 | error_setg(errp, "Background-snapshot is not compatible " | |
540 | "with guest memory configuration"); | |
541 | return false; | |
542 | } | |
543 | ||
544 | /* | |
545 | * Check if there are any migration capabilities | |
546 | * incompatible with 'background-snapshot'. | |
547 | */ | |
548 | for (idx = 0; idx < check_caps_background_snapshot.size; idx++) { | |
549 | int incomp_cap = check_caps_background_snapshot.caps[idx]; | |
550 | if (new_caps[incomp_cap]) { | |
551 | error_setg(errp, | |
552 | "Background-snapshot is not compatible with %s", | |
553 | MigrationCapability_str(incomp_cap)); | |
554 | return false; | |
555 | } | |
556 | } | |
557 | } | |
558 | ||
559 | #ifdef CONFIG_LINUX | |
560 | if (new_caps[MIGRATION_CAPABILITY_ZERO_COPY_SEND] && | |
561 | (!new_caps[MIGRATION_CAPABILITY_MULTIFD] || | |
562 | new_caps[MIGRATION_CAPABILITY_COMPRESS] || | |
563 | new_caps[MIGRATION_CAPABILITY_XBZRLE] || | |
564 | migrate_multifd_compression() || | |
10d4703b | 565 | migrate_tls())) { |
77608706 JQ |
566 | error_setg(errp, |
567 | "Zero copy only available for non-compressed non-TLS multifd migration"); | |
568 | return false; | |
569 | } | |
570 | #else | |
571 | if (new_caps[MIGRATION_CAPABILITY_ZERO_COPY_SEND]) { | |
572 | error_setg(errp, | |
573 | "Zero copy currently only available on Linux"); | |
574 | return false; | |
575 | } | |
576 | #endif | |
577 | ||
578 | if (new_caps[MIGRATION_CAPABILITY_POSTCOPY_PREEMPT]) { | |
579 | if (!new_caps[MIGRATION_CAPABILITY_POSTCOPY_RAM]) { | |
580 | error_setg(errp, "Postcopy preempt requires postcopy-ram"); | |
581 | return false; | |
582 | } | |
583 | ||
584 | /* | |
585 | * Preempt mode requires urgent pages to be sent in separate | |
586 | * channel, OTOH compression logic will disorder all pages into | |
587 | * different compression channels, which is not compatible with the | |
588 | * preempt assumptions on channel assignments. | |
589 | */ | |
590 | if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) { | |
591 | error_setg(errp, "Postcopy preempt not compatible with compress"); | |
592 | return false; | |
593 | } | |
82137e6c WW |
594 | |
595 | if (migrate_incoming_started()) { | |
596 | error_setg(errp, | |
597 | "Postcopy preempt must be set before incoming starts"); | |
598 | return false; | |
599 | } | |
77608706 JQ |
600 | } |
601 | ||
602 | if (new_caps[MIGRATION_CAPABILITY_MULTIFD]) { | |
603 | if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) { | |
604 | error_setg(errp, "Multifd is not compatible with compress"); | |
605 | return false; | |
606 | } | |
82137e6c WW |
607 | if (migrate_incoming_started()) { |
608 | error_setg(errp, "Multifd must be set before incoming starts"); | |
609 | return false; | |
610 | } | |
77608706 JQ |
611 | } |
612 | ||
6574232f AH |
613 | if (new_caps[MIGRATION_CAPABILITY_SWITCHOVER_ACK]) { |
614 | if (!new_caps[MIGRATION_CAPABILITY_RETURN_PATH]) { | |
615 | error_setg(errp, "Capability 'switchover-ack' requires capability " | |
616 | "'return-path'"); | |
617 | return false; | |
618 | } | |
6574232f | 619 | } |
dc623955 HH |
620 | if (new_caps[MIGRATION_CAPABILITY_DIRTY_LIMIT]) { |
621 | if (new_caps[MIGRATION_CAPABILITY_AUTO_CONVERGE]) { | |
622 | error_setg(errp, "dirty-limit conflicts with auto-converge" | |
623 | " either of then available currently"); | |
624 | return false; | |
625 | } | |
626 | ||
627 | if (!kvm_enabled() || !kvm_dirty_ring_enabled()) { | |
628 | error_setg(errp, "dirty-limit requires KVM with accelerator" | |
629 | " property 'dirty-ring-size' set"); | |
630 | return false; | |
631 | } | |
632 | } | |
6574232f | 633 | |
d869f629 JQ |
634 | if (new_caps[MIGRATION_CAPABILITY_MULTIFD]) { |
635 | if (new_caps[MIGRATION_CAPABILITY_XBZRLE]) { | |
636 | error_setg(errp, "Multifd is not compatible with xbzrle"); | |
637 | return false; | |
638 | } | |
639 | } | |
640 | ||
0e195629 JQ |
641 | if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) { |
642 | if (new_caps[MIGRATION_CAPABILITY_XBZRLE]) { | |
643 | error_setg(errp, "Compression is not compatible with xbzrle"); | |
644 | return false; | |
645 | } | |
646 | } | |
647 | ||
77608706 JQ |
648 | return true; |
649 | } | |
4d0c6b69 | 650 | |
f80196b7 JQ |
651 | bool migrate_cap_set(int cap, bool value, Error **errp) |
652 | { | |
653 | MigrationState *s = migrate_get_current(); | |
654 | bool new_caps[MIGRATION_CAPABILITY__MAX]; | |
655 | ||
656 | if (migration_is_running(s->state)) { | |
657 | error_setg(errp, QERR_MIGRATION_ACTIVE); | |
658 | return false; | |
659 | } | |
660 | ||
661 | memcpy(new_caps, s->capabilities, sizeof(new_caps)); | |
662 | new_caps[cap] = value; | |
663 | ||
664 | if (!migrate_caps_check(s->capabilities, new_caps, errp)) { | |
665 | return false; | |
666 | } | |
667 | s->capabilities[cap] = value; | |
668 | return true; | |
669 | } | |
670 | ||
4d0c6b69 JQ |
671 | MigrationCapabilityStatusList *qmp_query_migrate_capabilities(Error **errp) |
672 | { | |
673 | MigrationCapabilityStatusList *head = NULL, **tail = &head; | |
674 | MigrationCapabilityStatus *caps; | |
675 | MigrationState *s = migrate_get_current(); | |
676 | int i; | |
677 | ||
678 | for (i = 0; i < MIGRATION_CAPABILITY__MAX; i++) { | |
679 | #ifndef CONFIG_LIVE_BLOCK_MIGRATION | |
680 | if (i == MIGRATION_CAPABILITY_BLOCK) { | |
681 | continue; | |
682 | } | |
683 | #endif | |
684 | caps = g_malloc0(sizeof(*caps)); | |
685 | caps->capability = i; | |
686 | caps->state = s->capabilities[i]; | |
687 | QAPI_LIST_APPEND(tail, caps); | |
688 | } | |
689 | ||
690 | return head; | |
691 | } | |
45c1de13 JQ |
692 | |
693 | void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params, | |
694 | Error **errp) | |
695 | { | |
696 | MigrationState *s = migrate_get_current(); | |
697 | MigrationCapabilityStatusList *cap; | |
698 | bool new_caps[MIGRATION_CAPABILITY__MAX]; | |
699 | ||
d70178a8 | 700 | if (migration_is_running(s->state) || migration_in_colo_state()) { |
45c1de13 JQ |
701 | error_setg(errp, QERR_MIGRATION_ACTIVE); |
702 | return; | |
703 | } | |
704 | ||
705 | memcpy(new_caps, s->capabilities, sizeof(new_caps)); | |
706 | for (cap = params; cap; cap = cap->next) { | |
707 | new_caps[cap->value->capability] = cap->value->state; | |
708 | } | |
709 | ||
710 | if (!migrate_caps_check(s->capabilities, new_caps, errp)) { | |
711 | return; | |
712 | } | |
713 | ||
714 | for (cap = params; cap; cap = cap->next) { | |
715 | s->capabilities[cap->value->capability] = cap->value->state; | |
716 | } | |
717 | } | |
1dfc4b9e JQ |
718 | |
719 | /* parameters */ | |
720 | ||
b804b35b JQ |
721 | const BitmapMigrationNodeAliasList *migrate_block_bitmap_mapping(void) |
722 | { | |
723 | MigrationState *s = migrate_get_current(); | |
724 | ||
725 | return s->parameters.block_bitmap_mapping; | |
726 | } | |
727 | ||
3cba22c9 JQ |
728 | bool migrate_has_block_bitmap_mapping(void) |
729 | { | |
730 | MigrationState *s = migrate_get_current(); | |
731 | ||
732 | return s->parameters.has_block_bitmap_mapping; | |
733 | } | |
734 | ||
6f8be708 JQ |
735 | bool migrate_block_incremental(void) |
736 | { | |
8f9c5327 | 737 | MigrationState *s = migrate_get_current(); |
6f8be708 JQ |
738 | |
739 | return s->parameters.block_incremental; | |
740 | } | |
741 | ||
f94a858f JQ |
742 | uint32_t migrate_checkpoint_delay(void) |
743 | { | |
8f9c5327 | 744 | MigrationState *s = migrate_get_current(); |
f94a858f JQ |
745 | |
746 | return s->parameters.x_checkpoint_delay; | |
747 | } | |
748 | ||
1dfc4b9e JQ |
749 | int migrate_compress_level(void) |
750 | { | |
8f9c5327 | 751 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
752 | |
753 | return s->parameters.compress_level; | |
754 | } | |
755 | ||
756 | int migrate_compress_threads(void) | |
757 | { | |
8f9c5327 | 758 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
759 | |
760 | return s->parameters.compress_threads; | |
761 | } | |
762 | ||
763 | int migrate_compress_wait_thread(void) | |
764 | { | |
8f9c5327 | 765 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
766 | |
767 | return s->parameters.compress_wait_thread; | |
768 | } | |
769 | ||
9605c2ac JQ |
770 | uint8_t migrate_cpu_throttle_increment(void) |
771 | { | |
8f9c5327 | 772 | MigrationState *s = migrate_get_current(); |
9605c2ac JQ |
773 | |
774 | return s->parameters.cpu_throttle_increment; | |
775 | } | |
776 | ||
2a8ec380 JQ |
777 | uint8_t migrate_cpu_throttle_initial(void) |
778 | { | |
8f9c5327 | 779 | MigrationState *s = migrate_get_current(); |
2a8ec380 JQ |
780 | |
781 | return s->parameters.cpu_throttle_initial; | |
782 | } | |
783 | ||
873f674c JQ |
784 | bool migrate_cpu_throttle_tailslow(void) |
785 | { | |
8f9c5327 | 786 | MigrationState *s = migrate_get_current(); |
873f674c JQ |
787 | |
788 | return s->parameters.cpu_throttle_tailslow; | |
789 | } | |
790 | ||
1dfc4b9e JQ |
791 | int migrate_decompress_threads(void) |
792 | { | |
8f9c5327 | 793 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
794 | |
795 | return s->parameters.decompress_threads; | |
796 | } | |
797 | ||
f5da8ba4 JQ |
798 | uint64_t migrate_downtime_limit(void) |
799 | { | |
800 | MigrationState *s = migrate_get_current(); | |
801 | ||
802 | return s->parameters.downtime_limit; | |
803 | } | |
804 | ||
24155bd0 JQ |
805 | uint8_t migrate_max_cpu_throttle(void) |
806 | { | |
8f9c5327 | 807 | MigrationState *s = migrate_get_current(); |
24155bd0 JQ |
808 | |
809 | return s->parameters.max_cpu_throttle; | |
810 | } | |
811 | ||
9c894df3 JQ |
812 | uint64_t migrate_max_bandwidth(void) |
813 | { | |
8f9c5327 | 814 | MigrationState *s = migrate_get_current(); |
9c894df3 JQ |
815 | |
816 | return s->parameters.max_bandwidth; | |
817 | } | |
818 | ||
8b239597 PX |
819 | uint64_t migrate_avail_switchover_bandwidth(void) |
820 | { | |
821 | MigrationState *s = migrate_get_current(); | |
822 | ||
823 | return s->parameters.avail_switchover_bandwidth; | |
824 | } | |
825 | ||
52033349 | 826 | uint64_t migrate_max_postcopy_bandwidth(void) |
1dfc4b9e | 827 | { |
8f9c5327 | 828 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
829 | |
830 | return s->parameters.max_postcopy_bandwidth; | |
831 | } | |
832 | ||
eea1e5c9 SS |
833 | MigMode migrate_mode(void) |
834 | { | |
835 | MigrationState *s = migrate_get_current(); | |
836 | ||
837 | return s->parameters.mode; | |
838 | } | |
839 | ||
1dfc4b9e JQ |
840 | int migrate_multifd_channels(void) |
841 | { | |
8f9c5327 | 842 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
843 | |
844 | return s->parameters.multifd_channels; | |
845 | } | |
846 | ||
847 | MultiFDCompression migrate_multifd_compression(void) | |
848 | { | |
8f9c5327 | 849 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
850 | |
851 | assert(s->parameters.multifd_compression < MULTIFD_COMPRESSION__MAX); | |
852 | return s->parameters.multifd_compression; | |
853 | } | |
854 | ||
855 | int migrate_multifd_zlib_level(void) | |
856 | { | |
8f9c5327 | 857 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
858 | |
859 | return s->parameters.multifd_zlib_level; | |
860 | } | |
861 | ||
862 | int migrate_multifd_zstd_level(void) | |
863 | { | |
8f9c5327 | 864 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
865 | |
866 | return s->parameters.multifd_zstd_level; | |
867 | } | |
868 | ||
6499efdb JQ |
869 | uint8_t migrate_throttle_trigger_threshold(void) |
870 | { | |
8f9c5327 | 871 | MigrationState *s = migrate_get_current(); |
6499efdb JQ |
872 | |
873 | return s->parameters.throttle_trigger_threshold; | |
874 | } | |
875 | ||
2eb0308b JQ |
876 | const char *migrate_tls_authz(void) |
877 | { | |
878 | MigrationState *s = migrate_get_current(); | |
879 | ||
880 | return s->parameters.tls_authz; | |
881 | } | |
882 | ||
d5c3e195 JQ |
883 | const char *migrate_tls_creds(void) |
884 | { | |
885 | MigrationState *s = migrate_get_current(); | |
886 | ||
887 | return s->parameters.tls_creds; | |
888 | } | |
889 | ||
1f2f366c JQ |
890 | const char *migrate_tls_hostname(void) |
891 | { | |
892 | MigrationState *s = migrate_get_current(); | |
893 | ||
894 | return s->parameters.tls_hostname; | |
895 | } | |
896 | ||
1dfc4b9e JQ |
897 | uint64_t migrate_xbzrle_cache_size(void) |
898 | { | |
8f9c5327 | 899 | MigrationState *s = migrate_get_current(); |
1dfc4b9e JQ |
900 | |
901 | return s->parameters.xbzrle_cache_size; | |
902 | } | |
2682c4ee | 903 | |
87c22901 JQ |
904 | /* parameter setters */ |
905 | ||
906 | void migrate_set_block_incremental(bool value) | |
907 | { | |
908 | MigrationState *s = migrate_get_current(); | |
909 | ||
910 | s->parameters.block_incremental = value; | |
911 | } | |
912 | ||
2682c4ee JQ |
913 | /* parameters helpers */ |
914 | ||
b1a87956 | 915 | void block_cleanup_parameters(void) |
b7b73122 | 916 | { |
b1a87956 JQ |
917 | MigrationState *s = migrate_get_current(); |
918 | ||
b7b73122 JQ |
919 | if (s->must_remove_block_options) { |
920 | /* setting to false can never fail */ | |
921 | migrate_cap_set(MIGRATION_CAPABILITY_BLOCK, false, &error_abort); | |
922 | migrate_set_block_incremental(false); | |
923 | s->must_remove_block_options = false; | |
924 | } | |
925 | } | |
926 | ||
2682c4ee JQ |
927 | AnnounceParameters *migrate_announce_params(void) |
928 | { | |
929 | static AnnounceParameters ap; | |
930 | ||
931 | MigrationState *s = migrate_get_current(); | |
932 | ||
933 | ap.initial = s->parameters.announce_initial; | |
934 | ap.max = s->parameters.announce_max; | |
935 | ap.rounds = s->parameters.announce_rounds; | |
936 | ap.step = s->parameters.announce_step; | |
937 | ||
938 | return ≈ | |
939 | } | |
9c894df3 JQ |
940 | |
941 | MigrationParameters *qmp_query_migrate_parameters(Error **errp) | |
942 | { | |
943 | MigrationParameters *params; | |
944 | MigrationState *s = migrate_get_current(); | |
945 | ||
946 | /* TODO use QAPI_CLONE() instead of duplicating it inline */ | |
947 | params = g_malloc0(sizeof(*params)); | |
948 | params->has_compress_level = true; | |
949 | params->compress_level = s->parameters.compress_level; | |
950 | params->has_compress_threads = true; | |
951 | params->compress_threads = s->parameters.compress_threads; | |
952 | params->has_compress_wait_thread = true; | |
953 | params->compress_wait_thread = s->parameters.compress_wait_thread; | |
954 | params->has_decompress_threads = true; | |
955 | params->decompress_threads = s->parameters.decompress_threads; | |
956 | params->has_throttle_trigger_threshold = true; | |
957 | params->throttle_trigger_threshold = s->parameters.throttle_trigger_threshold; | |
958 | params->has_cpu_throttle_initial = true; | |
959 | params->cpu_throttle_initial = s->parameters.cpu_throttle_initial; | |
960 | params->has_cpu_throttle_increment = true; | |
961 | params->cpu_throttle_increment = s->parameters.cpu_throttle_increment; | |
962 | params->has_cpu_throttle_tailslow = true; | |
963 | params->cpu_throttle_tailslow = s->parameters.cpu_throttle_tailslow; | |
964 | params->tls_creds = g_strdup(s->parameters.tls_creds); | |
965 | params->tls_hostname = g_strdup(s->parameters.tls_hostname); | |
966 | params->tls_authz = g_strdup(s->parameters.tls_authz ? | |
967 | s->parameters.tls_authz : ""); | |
968 | params->has_max_bandwidth = true; | |
969 | params->max_bandwidth = s->parameters.max_bandwidth; | |
8b239597 PX |
970 | params->has_avail_switchover_bandwidth = true; |
971 | params->avail_switchover_bandwidth = s->parameters.avail_switchover_bandwidth; | |
9c894df3 JQ |
972 | params->has_downtime_limit = true; |
973 | params->downtime_limit = s->parameters.downtime_limit; | |
974 | params->has_x_checkpoint_delay = true; | |
975 | params->x_checkpoint_delay = s->parameters.x_checkpoint_delay; | |
976 | params->has_block_incremental = true; | |
977 | params->block_incremental = s->parameters.block_incremental; | |
978 | params->has_multifd_channels = true; | |
979 | params->multifd_channels = s->parameters.multifd_channels; | |
980 | params->has_multifd_compression = true; | |
981 | params->multifd_compression = s->parameters.multifd_compression; | |
982 | params->has_multifd_zlib_level = true; | |
983 | params->multifd_zlib_level = s->parameters.multifd_zlib_level; | |
984 | params->has_multifd_zstd_level = true; | |
985 | params->multifd_zstd_level = s->parameters.multifd_zstd_level; | |
986 | params->has_xbzrle_cache_size = true; | |
987 | params->xbzrle_cache_size = s->parameters.xbzrle_cache_size; | |
988 | params->has_max_postcopy_bandwidth = true; | |
989 | params->max_postcopy_bandwidth = s->parameters.max_postcopy_bandwidth; | |
990 | params->has_max_cpu_throttle = true; | |
991 | params->max_cpu_throttle = s->parameters.max_cpu_throttle; | |
992 | params->has_announce_initial = true; | |
993 | params->announce_initial = s->parameters.announce_initial; | |
994 | params->has_announce_max = true; | |
995 | params->announce_max = s->parameters.announce_max; | |
996 | params->has_announce_rounds = true; | |
997 | params->announce_rounds = s->parameters.announce_rounds; | |
998 | params->has_announce_step = true; | |
999 | params->announce_step = s->parameters.announce_step; | |
1000 | ||
1001 | if (s->parameters.has_block_bitmap_mapping) { | |
1002 | params->has_block_bitmap_mapping = true; | |
1003 | params->block_bitmap_mapping = | |
1004 | QAPI_CLONE(BitmapMigrationNodeAliasList, | |
1005 | s->parameters.block_bitmap_mapping); | |
1006 | } | |
1007 | ||
4d807857 HH |
1008 | params->has_x_vcpu_dirty_limit_period = true; |
1009 | params->x_vcpu_dirty_limit_period = s->parameters.x_vcpu_dirty_limit_period; | |
09f9ec99 HH |
1010 | params->has_vcpu_dirty_limit = true; |
1011 | params->vcpu_dirty_limit = s->parameters.vcpu_dirty_limit; | |
eea1e5c9 SS |
1012 | params->has_mode = true; |
1013 | params->mode = s->parameters.mode; | |
4d807857 | 1014 | |
9c894df3 JQ |
1015 | return params; |
1016 | } | |
09d6c965 | 1017 | |
61a174e2 JQ |
1018 | void migrate_params_init(MigrationParameters *params) |
1019 | { | |
1020 | params->tls_hostname = g_strdup(""); | |
1021 | params->tls_creds = g_strdup(""); | |
1022 | ||
1023 | /* Set has_* up only for parameter checks */ | |
1024 | params->has_compress_level = true; | |
1025 | params->has_compress_threads = true; | |
1026 | params->has_compress_wait_thread = true; | |
1027 | params->has_decompress_threads = true; | |
1028 | params->has_throttle_trigger_threshold = true; | |
1029 | params->has_cpu_throttle_initial = true; | |
1030 | params->has_cpu_throttle_increment = true; | |
1031 | params->has_cpu_throttle_tailslow = true; | |
1032 | params->has_max_bandwidth = true; | |
1033 | params->has_downtime_limit = true; | |
1034 | params->has_x_checkpoint_delay = true; | |
1035 | params->has_block_incremental = true; | |
1036 | params->has_multifd_channels = true; | |
1037 | params->has_multifd_compression = true; | |
1038 | params->has_multifd_zlib_level = true; | |
1039 | params->has_multifd_zstd_level = true; | |
1040 | params->has_xbzrle_cache_size = true; | |
1041 | params->has_max_postcopy_bandwidth = true; | |
1042 | params->has_max_cpu_throttle = true; | |
1043 | params->has_announce_initial = true; | |
1044 | params->has_announce_max = true; | |
1045 | params->has_announce_rounds = true; | |
1046 | params->has_announce_step = true; | |
4d807857 | 1047 | params->has_x_vcpu_dirty_limit_period = true; |
09f9ec99 | 1048 | params->has_vcpu_dirty_limit = true; |
eea1e5c9 | 1049 | params->has_mode = true; |
61a174e2 JQ |
1050 | } |
1051 | ||
09d6c965 JQ |
1052 | /* |
1053 | * Check whether the parameters are valid. Error will be put into errp | |
1054 | * (if provided). Return true if valid, otherwise false. | |
1055 | */ | |
1056 | bool migrate_params_check(MigrationParameters *params, Error **errp) | |
1057 | { | |
1058 | if (params->has_compress_level && | |
1059 | (params->compress_level > 9)) { | |
1060 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "compress_level", | |
1061 | "a value between 0 and 9"); | |
1062 | return false; | |
1063 | } | |
1064 | ||
1065 | if (params->has_compress_threads && (params->compress_threads < 1)) { | |
1066 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1067 | "compress_threads", | |
1068 | "a value between 1 and 255"); | |
1069 | return false; | |
1070 | } | |
1071 | ||
1072 | if (params->has_decompress_threads && (params->decompress_threads < 1)) { | |
1073 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1074 | "decompress_threads", | |
1075 | "a value between 1 and 255"); | |
1076 | return false; | |
1077 | } | |
1078 | ||
1079 | if (params->has_throttle_trigger_threshold && | |
1080 | (params->throttle_trigger_threshold < 1 || | |
1081 | params->throttle_trigger_threshold > 100)) { | |
1082 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1083 | "throttle_trigger_threshold", | |
1084 | "an integer in the range of 1 to 100"); | |
1085 | return false; | |
1086 | } | |
1087 | ||
1088 | if (params->has_cpu_throttle_initial && | |
1089 | (params->cpu_throttle_initial < 1 || | |
1090 | params->cpu_throttle_initial > 99)) { | |
1091 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1092 | "cpu_throttle_initial", | |
1093 | "an integer in the range of 1 to 99"); | |
1094 | return false; | |
1095 | } | |
1096 | ||
1097 | if (params->has_cpu_throttle_increment && | |
1098 | (params->cpu_throttle_increment < 1 || | |
1099 | params->cpu_throttle_increment > 99)) { | |
1100 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1101 | "cpu_throttle_increment", | |
1102 | "an integer in the range of 1 to 99"); | |
1103 | return false; | |
1104 | } | |
1105 | ||
1106 | if (params->has_max_bandwidth && (params->max_bandwidth > SIZE_MAX)) { | |
1107 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1108 | "max_bandwidth", | |
1109 | "an integer in the range of 0 to "stringify(SIZE_MAX) | |
1110 | " bytes/second"); | |
1111 | return false; | |
1112 | } | |
1113 | ||
8b239597 PX |
1114 | if (params->has_avail_switchover_bandwidth && |
1115 | (params->avail_switchover_bandwidth > SIZE_MAX)) { | |
1116 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1117 | "avail_switchover_bandwidth", | |
1118 | "an integer in the range of 0 to "stringify(SIZE_MAX) | |
1119 | " bytes/second"); | |
1120 | return false; | |
1121 | } | |
1122 | ||
09d6c965 JQ |
1123 | if (params->has_downtime_limit && |
1124 | (params->downtime_limit > MAX_MIGRATE_DOWNTIME)) { | |
1125 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1126 | "downtime_limit", | |
1127 | "an integer in the range of 0 to " | |
1128 | stringify(MAX_MIGRATE_DOWNTIME)" ms"); | |
1129 | return false; | |
1130 | } | |
1131 | ||
1132 | /* x_checkpoint_delay is now always positive */ | |
1133 | ||
1134 | if (params->has_multifd_channels && (params->multifd_channels < 1)) { | |
1135 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1136 | "multifd_channels", | |
1137 | "a value between 1 and 255"); | |
1138 | return false; | |
1139 | } | |
1140 | ||
1141 | if (params->has_multifd_zlib_level && | |
1142 | (params->multifd_zlib_level > 9)) { | |
1143 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "multifd_zlib_level", | |
1144 | "a value between 0 and 9"); | |
1145 | return false; | |
1146 | } | |
1147 | ||
1148 | if (params->has_multifd_zstd_level && | |
1149 | (params->multifd_zstd_level > 20)) { | |
1150 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "multifd_zstd_level", | |
1151 | "a value between 0 and 20"); | |
1152 | return false; | |
1153 | } | |
1154 | ||
1155 | if (params->has_xbzrle_cache_size && | |
1156 | (params->xbzrle_cache_size < qemu_target_page_size() || | |
1157 | !is_power_of_2(params->xbzrle_cache_size))) { | |
1158 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1159 | "xbzrle_cache_size", | |
1160 | "a power of two no less than the target page size"); | |
1161 | return false; | |
1162 | } | |
1163 | ||
1164 | if (params->has_max_cpu_throttle && | |
1165 | (params->max_cpu_throttle < params->cpu_throttle_initial || | |
1166 | params->max_cpu_throttle > 99)) { | |
1167 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1168 | "max_cpu_throttle", | |
1169 | "an integer in the range of cpu_throttle_initial to 99"); | |
1170 | return false; | |
1171 | } | |
1172 | ||
1173 | if (params->has_announce_initial && | |
1174 | params->announce_initial > 100000) { | |
1175 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1176 | "announce_initial", | |
1177 | "a value between 0 and 100000"); | |
1178 | return false; | |
1179 | } | |
1180 | if (params->has_announce_max && | |
1181 | params->announce_max > 100000) { | |
1182 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1183 | "announce_max", | |
1184 | "a value between 0 and 100000"); | |
1185 | return false; | |
1186 | } | |
1187 | if (params->has_announce_rounds && | |
1188 | params->announce_rounds > 1000) { | |
1189 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1190 | "announce_rounds", | |
1191 | "a value between 0 and 1000"); | |
1192 | return false; | |
1193 | } | |
1194 | if (params->has_announce_step && | |
1195 | (params->announce_step < 1 || | |
1196 | params->announce_step > 10000)) { | |
1197 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1198 | "announce_step", | |
1199 | "a value between 0 and 10000"); | |
1200 | return false; | |
1201 | } | |
1202 | ||
1203 | if (params->has_block_bitmap_mapping && | |
1204 | !check_dirty_bitmap_mig_alias_map(params->block_bitmap_mapping, errp)) { | |
1205 | error_prepend(errp, "Invalid mapping given for block-bitmap-mapping: "); | |
1206 | return false; | |
1207 | } | |
1208 | ||
1209 | #ifdef CONFIG_LINUX | |
1210 | if (migrate_zero_copy_send() && | |
1211 | ((params->has_multifd_compression && params->multifd_compression) || | |
1212 | (params->tls_creds && *params->tls_creds))) { | |
1213 | error_setg(errp, | |
1214 | "Zero copy only available for non-compressed non-TLS multifd migration"); | |
1215 | return false; | |
1216 | } | |
1217 | #endif | |
1218 | ||
4d807857 HH |
1219 | if (params->has_x_vcpu_dirty_limit_period && |
1220 | (params->x_vcpu_dirty_limit_period < 1 || | |
1221 | params->x_vcpu_dirty_limit_period > 1000)) { | |
1222 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1223 | "x-vcpu-dirty-limit-period", | |
1224 | "a value between 1 and 1000"); | |
1225 | return false; | |
1226 | } | |
1227 | ||
09f9ec99 HH |
1228 | if (params->has_vcpu_dirty_limit && |
1229 | (params->vcpu_dirty_limit < 1)) { | |
1230 | error_setg(errp, QERR_INVALID_PARAMETER_VALUE, | |
1231 | "vcpu_dirty_limit", | |
1232 | "is invalid, it must greater then 1 MB/s"); | |
1233 | return false; | |
1234 | } | |
1235 | ||
09d6c965 JQ |
1236 | return true; |
1237 | } | |
1238 | ||
1239 | static void migrate_params_test_apply(MigrateSetParameters *params, | |
1240 | MigrationParameters *dest) | |
1241 | { | |
1242 | *dest = migrate_get_current()->parameters; | |
1243 | ||
1244 | /* TODO use QAPI_CLONE() instead of duplicating it inline */ | |
1245 | ||
1246 | if (params->has_compress_level) { | |
1247 | dest->compress_level = params->compress_level; | |
1248 | } | |
1249 | ||
1250 | if (params->has_compress_threads) { | |
1251 | dest->compress_threads = params->compress_threads; | |
1252 | } | |
1253 | ||
1254 | if (params->has_compress_wait_thread) { | |
1255 | dest->compress_wait_thread = params->compress_wait_thread; | |
1256 | } | |
1257 | ||
1258 | if (params->has_decompress_threads) { | |
1259 | dest->decompress_threads = params->decompress_threads; | |
1260 | } | |
1261 | ||
1262 | if (params->has_throttle_trigger_threshold) { | |
1263 | dest->throttle_trigger_threshold = params->throttle_trigger_threshold; | |
1264 | } | |
1265 | ||
1266 | if (params->has_cpu_throttle_initial) { | |
1267 | dest->cpu_throttle_initial = params->cpu_throttle_initial; | |
1268 | } | |
1269 | ||
1270 | if (params->has_cpu_throttle_increment) { | |
1271 | dest->cpu_throttle_increment = params->cpu_throttle_increment; | |
1272 | } | |
1273 | ||
1274 | if (params->has_cpu_throttle_tailslow) { | |
1275 | dest->cpu_throttle_tailslow = params->cpu_throttle_tailslow; | |
1276 | } | |
1277 | ||
1278 | if (params->tls_creds) { | |
1279 | assert(params->tls_creds->type == QTYPE_QSTRING); | |
1280 | dest->tls_creds = params->tls_creds->u.s; | |
1281 | } | |
1282 | ||
1283 | if (params->tls_hostname) { | |
1284 | assert(params->tls_hostname->type == QTYPE_QSTRING); | |
1285 | dest->tls_hostname = params->tls_hostname->u.s; | |
1286 | } | |
1287 | ||
1288 | if (params->has_max_bandwidth) { | |
1289 | dest->max_bandwidth = params->max_bandwidth; | |
1290 | } | |
1291 | ||
8b239597 PX |
1292 | if (params->has_avail_switchover_bandwidth) { |
1293 | dest->avail_switchover_bandwidth = params->avail_switchover_bandwidth; | |
1294 | } | |
1295 | ||
09d6c965 JQ |
1296 | if (params->has_downtime_limit) { |
1297 | dest->downtime_limit = params->downtime_limit; | |
1298 | } | |
1299 | ||
1300 | if (params->has_x_checkpoint_delay) { | |
1301 | dest->x_checkpoint_delay = params->x_checkpoint_delay; | |
1302 | } | |
1303 | ||
1304 | if (params->has_block_incremental) { | |
1305 | dest->block_incremental = params->block_incremental; | |
1306 | } | |
1307 | if (params->has_multifd_channels) { | |
1308 | dest->multifd_channels = params->multifd_channels; | |
1309 | } | |
1310 | if (params->has_multifd_compression) { | |
1311 | dest->multifd_compression = params->multifd_compression; | |
1312 | } | |
1313 | if (params->has_xbzrle_cache_size) { | |
1314 | dest->xbzrle_cache_size = params->xbzrle_cache_size; | |
1315 | } | |
1316 | if (params->has_max_postcopy_bandwidth) { | |
1317 | dest->max_postcopy_bandwidth = params->max_postcopy_bandwidth; | |
1318 | } | |
1319 | if (params->has_max_cpu_throttle) { | |
1320 | dest->max_cpu_throttle = params->max_cpu_throttle; | |
1321 | } | |
1322 | if (params->has_announce_initial) { | |
1323 | dest->announce_initial = params->announce_initial; | |
1324 | } | |
1325 | if (params->has_announce_max) { | |
1326 | dest->announce_max = params->announce_max; | |
1327 | } | |
1328 | if (params->has_announce_rounds) { | |
1329 | dest->announce_rounds = params->announce_rounds; | |
1330 | } | |
1331 | if (params->has_announce_step) { | |
1332 | dest->announce_step = params->announce_step; | |
1333 | } | |
1334 | ||
1335 | if (params->has_block_bitmap_mapping) { | |
1336 | dest->has_block_bitmap_mapping = true; | |
1337 | dest->block_bitmap_mapping = params->block_bitmap_mapping; | |
1338 | } | |
4d807857 HH |
1339 | |
1340 | if (params->has_x_vcpu_dirty_limit_period) { | |
1341 | dest->x_vcpu_dirty_limit_period = | |
1342 | params->x_vcpu_dirty_limit_period; | |
1343 | } | |
09f9ec99 HH |
1344 | if (params->has_vcpu_dirty_limit) { |
1345 | dest->vcpu_dirty_limit = params->vcpu_dirty_limit; | |
1346 | } | |
eea1e5c9 SS |
1347 | |
1348 | if (params->has_mode) { | |
1349 | dest->mode = params->mode; | |
1350 | } | |
09d6c965 JQ |
1351 | } |
1352 | ||
1353 | static void migrate_params_apply(MigrateSetParameters *params, Error **errp) | |
1354 | { | |
1355 | MigrationState *s = migrate_get_current(); | |
1356 | ||
1357 | /* TODO use QAPI_CLONE() instead of duplicating it inline */ | |
1358 | ||
1359 | if (params->has_compress_level) { | |
864128df JQ |
1360 | warn_report("old compression is deprecated;" |
1361 | " use multifd compression methods instead"); | |
09d6c965 JQ |
1362 | s->parameters.compress_level = params->compress_level; |
1363 | } | |
1364 | ||
1365 | if (params->has_compress_threads) { | |
864128df JQ |
1366 | warn_report("old compression is deprecated;" |
1367 | " use multifd compression methods instead"); | |
09d6c965 JQ |
1368 | s->parameters.compress_threads = params->compress_threads; |
1369 | } | |
1370 | ||
1371 | if (params->has_compress_wait_thread) { | |
864128df JQ |
1372 | warn_report("old compression is deprecated;" |
1373 | " use multifd compression methods instead"); | |
09d6c965 JQ |
1374 | s->parameters.compress_wait_thread = params->compress_wait_thread; |
1375 | } | |
1376 | ||
1377 | if (params->has_decompress_threads) { | |
864128df JQ |
1378 | warn_report("old compression is deprecated;" |
1379 | " use multifd compression methods instead"); | |
09d6c965 JQ |
1380 | s->parameters.decompress_threads = params->decompress_threads; |
1381 | } | |
1382 | ||
1383 | if (params->has_throttle_trigger_threshold) { | |
1384 | s->parameters.throttle_trigger_threshold = params->throttle_trigger_threshold; | |
1385 | } | |
1386 | ||
1387 | if (params->has_cpu_throttle_initial) { | |
1388 | s->parameters.cpu_throttle_initial = params->cpu_throttle_initial; | |
1389 | } | |
1390 | ||
1391 | if (params->has_cpu_throttle_increment) { | |
1392 | s->parameters.cpu_throttle_increment = params->cpu_throttle_increment; | |
1393 | } | |
1394 | ||
1395 | if (params->has_cpu_throttle_tailslow) { | |
1396 | s->parameters.cpu_throttle_tailslow = params->cpu_throttle_tailslow; | |
1397 | } | |
1398 | ||
1399 | if (params->tls_creds) { | |
1400 | g_free(s->parameters.tls_creds); | |
1401 | assert(params->tls_creds->type == QTYPE_QSTRING); | |
1402 | s->parameters.tls_creds = g_strdup(params->tls_creds->u.s); | |
1403 | } | |
1404 | ||
1405 | if (params->tls_hostname) { | |
1406 | g_free(s->parameters.tls_hostname); | |
1407 | assert(params->tls_hostname->type == QTYPE_QSTRING); | |
1408 | s->parameters.tls_hostname = g_strdup(params->tls_hostname->u.s); | |
1409 | } | |
1410 | ||
1411 | if (params->tls_authz) { | |
1412 | g_free(s->parameters.tls_authz); | |
1413 | assert(params->tls_authz->type == QTYPE_QSTRING); | |
1414 | s->parameters.tls_authz = g_strdup(params->tls_authz->u.s); | |
1415 | } | |
1416 | ||
1417 | if (params->has_max_bandwidth) { | |
1418 | s->parameters.max_bandwidth = params->max_bandwidth; | |
1419 | if (s->to_dst_file && !migration_in_postcopy()) { | |
e1fde0e0 | 1420 | migration_rate_set(s->parameters.max_bandwidth); |
09d6c965 JQ |
1421 | } |
1422 | } | |
1423 | ||
8b239597 PX |
1424 | if (params->has_avail_switchover_bandwidth) { |
1425 | s->parameters.avail_switchover_bandwidth = params->avail_switchover_bandwidth; | |
1426 | } | |
1427 | ||
09d6c965 JQ |
1428 | if (params->has_downtime_limit) { |
1429 | s->parameters.downtime_limit = params->downtime_limit; | |
1430 | } | |
1431 | ||
1432 | if (params->has_x_checkpoint_delay) { | |
1433 | s->parameters.x_checkpoint_delay = params->x_checkpoint_delay; | |
4332ffcd | 1434 | colo_checkpoint_delay_set(); |
09d6c965 JQ |
1435 | } |
1436 | ||
1437 | if (params->has_block_incremental) { | |
66db46ca JQ |
1438 | warn_report("block migration is deprecated;" |
1439 | " use blockdev-mirror with NBD instead"); | |
09d6c965 JQ |
1440 | s->parameters.block_incremental = params->block_incremental; |
1441 | } | |
1442 | if (params->has_multifd_channels) { | |
1443 | s->parameters.multifd_channels = params->multifd_channels; | |
1444 | } | |
1445 | if (params->has_multifd_compression) { | |
1446 | s->parameters.multifd_compression = params->multifd_compression; | |
1447 | } | |
1448 | if (params->has_xbzrle_cache_size) { | |
1449 | s->parameters.xbzrle_cache_size = params->xbzrle_cache_size; | |
1450 | xbzrle_cache_resize(params->xbzrle_cache_size, errp); | |
1451 | } | |
1452 | if (params->has_max_postcopy_bandwidth) { | |
1453 | s->parameters.max_postcopy_bandwidth = params->max_postcopy_bandwidth; | |
1454 | if (s->to_dst_file && migration_in_postcopy()) { | |
e1fde0e0 | 1455 | migration_rate_set(s->parameters.max_postcopy_bandwidth); |
09d6c965 JQ |
1456 | } |
1457 | } | |
1458 | if (params->has_max_cpu_throttle) { | |
1459 | s->parameters.max_cpu_throttle = params->max_cpu_throttle; | |
1460 | } | |
1461 | if (params->has_announce_initial) { | |
1462 | s->parameters.announce_initial = params->announce_initial; | |
1463 | } | |
1464 | if (params->has_announce_max) { | |
1465 | s->parameters.announce_max = params->announce_max; | |
1466 | } | |
1467 | if (params->has_announce_rounds) { | |
1468 | s->parameters.announce_rounds = params->announce_rounds; | |
1469 | } | |
1470 | if (params->has_announce_step) { | |
1471 | s->parameters.announce_step = params->announce_step; | |
1472 | } | |
1473 | ||
1474 | if (params->has_block_bitmap_mapping) { | |
1475 | qapi_free_BitmapMigrationNodeAliasList( | |
1476 | s->parameters.block_bitmap_mapping); | |
1477 | ||
1478 | s->parameters.has_block_bitmap_mapping = true; | |
1479 | s->parameters.block_bitmap_mapping = | |
1480 | QAPI_CLONE(BitmapMigrationNodeAliasList, | |
1481 | params->block_bitmap_mapping); | |
1482 | } | |
4d807857 HH |
1483 | |
1484 | if (params->has_x_vcpu_dirty_limit_period) { | |
1485 | s->parameters.x_vcpu_dirty_limit_period = | |
1486 | params->x_vcpu_dirty_limit_period; | |
1487 | } | |
09f9ec99 HH |
1488 | if (params->has_vcpu_dirty_limit) { |
1489 | s->parameters.vcpu_dirty_limit = params->vcpu_dirty_limit; | |
1490 | } | |
eea1e5c9 SS |
1491 | |
1492 | if (params->has_mode) { | |
1493 | s->parameters.mode = params->mode; | |
1494 | } | |
09d6c965 JQ |
1495 | } |
1496 | ||
1497 | void qmp_migrate_set_parameters(MigrateSetParameters *params, Error **errp) | |
1498 | { | |
1499 | MigrationParameters tmp; | |
1500 | ||
86dec715 | 1501 | /* TODO Rewrite "" to null instead for all three tls_* parameters */ |
09d6c965 JQ |
1502 | if (params->tls_creds |
1503 | && params->tls_creds->type == QTYPE_QNULL) { | |
1504 | qobject_unref(params->tls_creds->u.n); | |
1505 | params->tls_creds->type = QTYPE_QSTRING; | |
1506 | params->tls_creds->u.s = strdup(""); | |
1507 | } | |
09d6c965 JQ |
1508 | if (params->tls_hostname |
1509 | && params->tls_hostname->type == QTYPE_QNULL) { | |
1510 | qobject_unref(params->tls_hostname->u.n); | |
1511 | params->tls_hostname->type = QTYPE_QSTRING; | |
1512 | params->tls_hostname->u.s = strdup(""); | |
1513 | } | |
86dec715 PX |
1514 | if (params->tls_authz |
1515 | && params->tls_authz->type == QTYPE_QNULL) { | |
1516 | qobject_unref(params->tls_authz->u.n); | |
1517 | params->tls_authz->type = QTYPE_QSTRING; | |
1518 | params->tls_authz->u.s = strdup(""); | |
1519 | } | |
09d6c965 JQ |
1520 | |
1521 | migrate_params_test_apply(params, &tmp); | |
1522 | ||
1523 | if (!migrate_params_check(&tmp, errp)) { | |
1524 | /* Invalid parameter */ | |
1525 | return; | |
1526 | } | |
1527 | ||
1528 | migrate_params_apply(params, errp); | |
1529 | } |