xref: /openbmc/qemu/migration/options.c (revision a7a94d14358dd7b445e20c2f26218ff987747642)
11f0776f1SJuan Quintela /*
21f0776f1SJuan Quintela  * QEMU migration capabilities
31f0776f1SJuan Quintela  *
41f0776f1SJuan Quintela  * Copyright (c) 2012-2023 Red Hat Inc
51f0776f1SJuan Quintela  *
61f0776f1SJuan Quintela  * Authors:
71f0776f1SJuan Quintela  *   Orit Wasserman <owasserm@redhat.com>
81f0776f1SJuan Quintela  *   Juan Quintela <quintela@redhat.com>
91f0776f1SJuan Quintela  *
101f0776f1SJuan Quintela  * This work is licensed under the terms of the GNU GPL, version 2 or later.
111f0776f1SJuan Quintela  * See the COPYING file in the top-level directory.
121f0776f1SJuan Quintela  */
131f0776f1SJuan Quintela 
141f0776f1SJuan Quintela #include "qemu/osdep.h"
151f0776f1SJuan Quintela #include "migration.h"
161f0776f1SJuan Quintela #include "options.h"
171f0776f1SJuan Quintela 
181f0776f1SJuan Quintela bool migrate_auto_converge(void)
191f0776f1SJuan Quintela {
201f0776f1SJuan Quintela     MigrationState *s;
211f0776f1SJuan Quintela 
221f0776f1SJuan Quintela     s = migrate_get_current();
231f0776f1SJuan Quintela 
241f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_AUTO_CONVERGE];
251f0776f1SJuan Quintela }
261f0776f1SJuan Quintela 
271f0776f1SJuan Quintela bool migrate_background_snapshot(void)
281f0776f1SJuan Quintela {
291f0776f1SJuan Quintela     MigrationState *s;
301f0776f1SJuan Quintela 
311f0776f1SJuan Quintela     s = migrate_get_current();
321f0776f1SJuan Quintela 
331f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_BACKGROUND_SNAPSHOT];
341f0776f1SJuan Quintela }
351f0776f1SJuan Quintela 
365e804644SJuan Quintela bool migrate_colo(void)
375e804644SJuan Quintela {
385e804644SJuan Quintela     MigrationState *s = migrate_get_current();
395e804644SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_X_COLO];
405e804644SJuan Quintela }
415e804644SJuan Quintela 
42*a7a94d14SJuan Quintela bool migrate_compress(void)
43*a7a94d14SJuan Quintela {
44*a7a94d14SJuan Quintela     MigrationState *s;
45*a7a94d14SJuan Quintela 
46*a7a94d14SJuan Quintela     s = migrate_get_current();
47*a7a94d14SJuan Quintela 
48*a7a94d14SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_COMPRESS];
49*a7a94d14SJuan Quintela }
50*a7a94d14SJuan Quintela 
511f0776f1SJuan Quintela bool migrate_dirty_bitmaps(void)
521f0776f1SJuan Quintela {
531f0776f1SJuan Quintela     MigrationState *s;
541f0776f1SJuan Quintela 
551f0776f1SJuan Quintela     s = migrate_get_current();
561f0776f1SJuan Quintela 
571f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_DIRTY_BITMAPS];
581f0776f1SJuan Quintela }
591f0776f1SJuan Quintela 
601f0776f1SJuan Quintela bool migrate_ignore_shared(void)
611f0776f1SJuan Quintela {
621f0776f1SJuan Quintela     MigrationState *s;
631f0776f1SJuan Quintela 
641f0776f1SJuan Quintela     s = migrate_get_current();
651f0776f1SJuan Quintela 
661f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_X_IGNORE_SHARED];
671f0776f1SJuan Quintela }
681f0776f1SJuan Quintela 
691f0776f1SJuan Quintela bool migrate_late_block_activate(void)
701f0776f1SJuan Quintela {
711f0776f1SJuan Quintela     MigrationState *s;
721f0776f1SJuan Quintela 
731f0776f1SJuan Quintela     s = migrate_get_current();
741f0776f1SJuan Quintela 
751f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_LATE_BLOCK_ACTIVATE];
761f0776f1SJuan Quintela }
771f0776f1SJuan Quintela 
781f0776f1SJuan Quintela bool migrate_pause_before_switchover(void)
791f0776f1SJuan Quintela {
801f0776f1SJuan Quintela     MigrationState *s;
811f0776f1SJuan Quintela 
821f0776f1SJuan Quintela     s = migrate_get_current();
831f0776f1SJuan Quintela 
841f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_PAUSE_BEFORE_SWITCHOVER];
851f0776f1SJuan Quintela }
861f0776f1SJuan Quintela 
871f0776f1SJuan Quintela bool migrate_postcopy_blocktime(void)
881f0776f1SJuan Quintela {
891f0776f1SJuan Quintela     MigrationState *s;
901f0776f1SJuan Quintela 
911f0776f1SJuan Quintela     s = migrate_get_current();
921f0776f1SJuan Quintela 
931f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_POSTCOPY_BLOCKTIME];
941f0776f1SJuan Quintela }
951f0776f1SJuan Quintela 
961f0776f1SJuan Quintela bool migrate_postcopy_preempt(void)
971f0776f1SJuan Quintela {
981f0776f1SJuan Quintela     MigrationState *s;
991f0776f1SJuan Quintela 
1001f0776f1SJuan Quintela     s = migrate_get_current();
1011f0776f1SJuan Quintela 
1021f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_POSTCOPY_PREEMPT];
1031f0776f1SJuan Quintela }
1041f0776f1SJuan Quintela 
1051f0776f1SJuan Quintela bool migrate_postcopy_ram(void)
1061f0776f1SJuan Quintela {
1071f0776f1SJuan Quintela     MigrationState *s;
1081f0776f1SJuan Quintela 
1091f0776f1SJuan Quintela     s = migrate_get_current();
1101f0776f1SJuan Quintela 
1111f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_POSTCOPY_RAM];
1121f0776f1SJuan Quintela }
1131f0776f1SJuan Quintela 
1141f0776f1SJuan Quintela bool migrate_release_ram(void)
1151f0776f1SJuan Quintela {
1161f0776f1SJuan Quintela     MigrationState *s;
1171f0776f1SJuan Quintela 
1181f0776f1SJuan Quintela     s = migrate_get_current();
1191f0776f1SJuan Quintela 
1201f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_RELEASE_RAM];
1211f0776f1SJuan Quintela }
1221f0776f1SJuan Quintela 
1231f0776f1SJuan Quintela bool migrate_validate_uuid(void)
1241f0776f1SJuan Quintela {
1251f0776f1SJuan Quintela     MigrationState *s;
1261f0776f1SJuan Quintela 
1271f0776f1SJuan Quintela     s = migrate_get_current();
1281f0776f1SJuan Quintela 
1291f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_VALIDATE_UUID];
1301f0776f1SJuan Quintela }
1311f0776f1SJuan Quintela 
1321f0776f1SJuan Quintela bool migrate_zero_blocks(void)
1331f0776f1SJuan Quintela {
1341f0776f1SJuan Quintela     MigrationState *s;
1351f0776f1SJuan Quintela 
1361f0776f1SJuan Quintela     s = migrate_get_current();
1371f0776f1SJuan Quintela 
1381f0776f1SJuan Quintela     return s->capabilities[MIGRATION_CAPABILITY_ZERO_BLOCKS];
1391f0776f1SJuan Quintela }
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