| /openbmc/openbmc/poky/documentation/migration-guides/ |
| H A D | index.rst | 14 migration-general
24 migration-3.3
25 migration-3.2
26 migration-3.1
27 migration-3.0
28 migration-2.7
29 migration-2.6
30 migration-2.5
31 migration-2.4
32 migration-2.3
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| H A D | migration-5.0.rst | 6 Migration notes for 5.0 (scarthgap)
9 This section provides migration information for moving to the Yocto
13 the previous migration notes from your release to this new one:
15 - :doc:`/migration-guides/migration-4.3`
16 - :doc:`/migration-guides/migration-4.2`
17 - :doc:`/migration-guides/migration-4.1`
18 - :doc:`/migration-guides/migration-4.0`
19 - :doc:`/migration-guides/migration-3.4`
20 - :doc:`/migration-guides/migration-3.3`
21 - :doc:`/migration-guides/migration-3.2`
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| H A D | release-notes-4.3.1.rst | 59 - migration-4.3: additional migration items
60 - migration-4.3: adjustments to existing text
61 - migration-4.3: remove some unnecessary items
62 - migration-guides: QEMU_USE_SLIRP variable removed
63 - migration-guides: add BitBake changes
64 - migration-guides: add debian 12 to newly supported distros
65 - migration-guides: add kernel notes
66 - migration-guides: add testing notes
67 - migration-guides: add utility notes
68 - migration-guides: edgerouter machine removed
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| /openbmc/qemu/hw/vfio/ |
| H A D | migration.c | 2 * Migration support for VFIO devices
20 #include "hw/vfio/vfio-migration.h"
21 #include "migration/misc.h"
22 #include "migration/savevm.h"
23 #include "migration/vmstate.h"
24 #include "migration/qemu-file.h"
25 #include "migration/register.h"
26 #include "migration/blocker.h"
27 #include "migration-multifd.h"
34 #include "vfio-migration-internal.h"
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| H A D | migration-multifd.c | 2 * Multifd VFIO migration
14 #include "migration/misc.h"
21 #include "migration/qemu-file.h"
22 #include "migration-multifd.h"
23 #include "vfio-migration-internal.h"
128 VFIOMigration *migration = vbasedev->migration; in vfio_load_state_buffer_insert() local
129 VFIOMultifd *multifd = migration->multifd; in vfio_load_state_buffer_insert()
169 VFIOMigration *migration = vbasedev->migration; in vfio_multifd_load_state_buffer() local
170 VFIOMultifd *multifd = migration->multifd; in vfio_multifd_load_state_buffer()
231 VFIOMigration *migration = vbasedev->migration; in vfio_load_bufs_thread_load_config() local
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| /openbmc/qemu/tests/qemu-iotests/ |
| H A D | 234.out | 2 Enabling migration QMP events on A...
5 Enabling migration QMP events on B...
9 Starting migration to B...
11 {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds…
12 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
13 {"data": {"status": "device"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
14 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "sec…
15 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
16 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "sec…
24 Enabling migration QMP events on A...
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| H A D | 262.out | 2 Enabling migration QMP events on B...
5 Enabling migration QMP events on A...
7 Starting migration to B...
9 {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds…
10 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
11 {"data": {"status": "device"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
12 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "sec…
13 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
14 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "sec…
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| H A D | 203.out | 5 Enabling migration QMP events...
7 Starting migration...
9 {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds…
10 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
11 {"data": {"status": "device"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
12 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "sec…
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| H A D | 194.out | 11 Starting migration...
15 {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds…
16 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
17 {"data": {"status": "device"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "second…
18 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "sec…
24 Wait for migration completion on target...
25 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "sec…
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| /openbmc/qemu/docs/devel/migration/ |
| H A D | vfio.rst | 2 VFIO device migration
5 Migration of virtual machine involves saving the state for each device that
10 Migration of VFIO devices consists of two phases: the optional pre-copy phase,
13 transferred. The iterative pre-copy phase of migration allows for the guest to
20 enabling "switchover-ack" migration capability.
21 VFIO migration uAPI defines "initial bytes" as part of its pre-copy data stream
23 before stopping the source VM. Enabling this migration capability will
26 To support migration of multiple devices that might do P2P transactions between
27 themselves, VFIO migration uAPI defines an intermediate P2P quiescent state.
33 All the devices that support P2P migration are first transitioned to the P2P
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| H A D | postcopy.rst | 7 'Postcopy' migration is a way to deal with migrations that refuse to converge
9 the amount of migration traffic and time it takes, the down side is that during
16 Postcopy can be combined with precopy (i.e. normal migration) so that if precopy
23 destination) prior to the start of migration:
27 The normal commands are then used to start a migration, which is still
33 It can be issued immediately after migration is started or any
34 time later on. Issuing it after the end of a migration is harmless.
47 Set at the start of migration if postcopy is enabled, even
51 The destination will fail early in migration at this point if the
68 pages off the migration stream, while the main thread carries
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| H A D | best-practices.rst | 8 The migration stream can be analyzed thanks to ``scripts/analyze-migration.py``.
17 $ ./scripts/analyze-migration.py -f mig
24 See also ``analyze-migration.py -h`` help for more options.
29 Migration migrates the copies of RAM and ROM, and thus when running
35 to hold the firmware and thus migration can fail. In practice it's best
40 emulation code can work with older firmware to allow forward migration.
42 - Care should be taken with newer firmware so that backward migration
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| H A D | mapped-ram.rst | 5 supplement the existing ``file:`` migration and make it compatible
6 with ``multifd``. This enables parallel migration of a guest's RAM to
10 directly to offsets in the resulting migration file. This enables the
12 guest is constantly dirtying pages (i.e. live migration). Another
17 usage of O_DIRECT for save/restore of the migration stream as the
31 Use a ``file:`` URL for migration:
33 ``migrate file:/path/to/migration/file``
35 Mapped-ram migration is best done non-live, i.e. by stopping the VM on
45 The mapped-ram feature was designed for use cases where the migration
54 that's the ideal scenario for mapped-ram migration. Not having to
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| H A D | compatibility.rst | 7 When we do migration, we have two QEMU processes: the source and the
29 First of all, migration is only supposed to work if you use the same
77 This migration is known as newer to older. We need to make sure
79 migration to qemu-5.1. Notice that we can't make updates to
85 This migration is known as older to newer. We need to make sure
133 When we are doing migration, if we migrate from a device that has 4
136 migration.
154 correct. migration works.
161 correct. migration works.
183 migration A -> B is case 6, so number of queues needs to be 1.
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| /openbmc/qemu/tests/qtest/migration/ |
| H A D | postcopy-tests.c | 2 * QTest testcases for postcopy migration
15 #include "migration/framework.h"
16 #include "migration/migration-util.h"
89 migration_test_add("/migration/postcopy/plain", test_postcopy); in migration_test_add_postcopy_smoke()
90 migration_test_add("/migration/postcopy/recovery/plain", in migration_test_add_postcopy_smoke()
92 migration_test_add("/migration/postcopy/preempt/plain", in migration_test_add_postcopy_smoke()
129 migration_test_add("/migration/postcopy/preempt/recovery/plain", in migration_test_add_postcopy()
133 "/migration/postcopy/recovery/double-failures/handshake", in migration_test_add_postcopy()
137 "/migration/postcopy/recovery/double-failures/reconnect", in migration_test_add_postcopy()
140 migration_test_add("/migration/multifd+postcopy/plain", in migration_test_add_postcopy()
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| H A D | framework.h | 15 #include <qapi/qapi-types-migration.h>
59 * created, but before the migration is started. This can
60 * be used to set migration parameters and capabilities.
69 * A hook that runs after the migration has finished,
72 * due to migration error)
82 * Our goal is to ensure that we run a single full migration
86 * We can't directly synchronize with the start of a migration
90 * Initially we set the migration bandwidth to an insanely
92 * guarantees migration will never complete.
95 * so we can't let the entire migration pas
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| H A D | misc-tests.c | 2 * QTest testcases for migration
17 #include "migration/framework.h"
18 #include "migration/migration-qmp.h"
19 #include "migration/migration-util.h"
21 #define ANALYZE_SCRIPT "scripts/analyze-migration.py"
87 g_test_message("Failed to analyze the migration stream"); in test_analyze_script()
142 * UUID validation is at the begin of migration. So, the main process of in do_test_validate_uuid()
143 * migration i in do_test_validate_uuid()
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| H A D | file-tests.c | 2 * QTest testcases for migration to file
15 #include "migration/framework.h"
16 #include "migration/migration-qmp.h"
17 #include "migration/migration-util.h"
212 * Remove the fdsets after migration, otherwise a second migration in migrate_hook_end_multifd_mapped_ram_fdset()
219 * Make sure no fdsets are left after migration, otherwise a in migrate_hook_end_multifd_mapped_ram_fdset()
220 * second migration would fail due fdset reuse. in migrate_hook_end_multifd_mapped_ram_fdset()
299 migration_test_add("/migration/precopy/file", in migration_test_add_file_smoke()
302 migration_test_add("/migration/multifd/file/mapped-ram/dio", in migration_test_add_file_smoke()
316 migration_test_add("/migration/precopy/file/offset", in migration_test_add_file()
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| H A D | compression-tests.c | 2 * QTest testcases for migration compression
15 #include "migration/framework.h"
16 #include "migration/migration-qmp.h"
17 #include "migration/migration-util.h"
184 migration_test_add("/migration/multifd/tcp/plain/zlib", in migration_test_add_compression_smoke()
199 migration_test_add("/migration/multifd/tcp/plain/zstd", in migration_test_add_compression()
202 migration_test_add("/migration/multifd+postcopy/tcp/plain/zstd", in migration_test_add_compression()
208 migration_test_add("/migration/multifd/tcp/plain/qatzip", in migration_test_add_compression()
213 migration_test_add("/migration/multifd/tcp/plain/qpl", in migration_test_add_compression()
218 migration_test_add("/migration/multifd/tcp/plain/uadk", in migration_test_add_compression()
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| H A D | tls-tests.c | 2 * QTest testcases for TLS migration
16 #include "migration/framework.h"
17 #include "migration/migration-qmp.h"
18 #include "migration/migration-util.h"
736 * migration state, and so it exits with I/O failure. in test_multifd_tcp_tls_x509_mismatch_host()
741 * to load migration state, and thus just aborts the migration in test_multifd_tcp_tls_x509_mismatch_host()
788 migration_test_add("/migration/precopy/tcp/tls/psk/match", in migration_test_add_tls_smoke()
802 migration_test_add("/migration/precopy/unix/tls/psk", in migration_test_add_tls()
811 migration_test_add("/migration/postcopy/tls/psk", in migration_test_add_tls()
813 migration_test_add("/migration/postcopy/recovery/tls/psk", in migration_test_add_tls()
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| H A D | cpr-tests.c | 15 #include "migration/framework.h"
16 #include "migration/migration-qmp.h"
17 #include "migration/migration-util.h"
55 * migration, and cannot connect synchronously to the monitor, so defer
163 rsp = qtest_qmp_eventwait_ref(who, "MIGRATION");
261 migration_test_add("/migration/mode/reboot", test_mode_reboot);
265 migration_test_add("/migration/mode/transfer", test_mode_transfer);
266 migration_test_add("/migration/mod
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| H A D | precopy-tests.c | 2 * QTest testcase for precopy migration
17 #include "migration/bootfile.h"
18 #include "migration/framework.h"
19 #include "migration/migration-qmp.h"
20 #include "migration/migration-util.h"
23 #include "qapi-types-migration.h"
107 * During migration over RDMA, it will try to pin portions of guest memory,
133 #define RDMA_MIGRATION_HELPER "scripts/rdma-migration
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| /openbmc/qemu/docs/ |
| H A D | rdma.txt | 2 RDMA Live Migration Specification, Version # 1
18 * RDMA Migration Protocol Description
21 * Migration of VM's ram
28 RDMA helps make your migration more deterministic under heavy load because
32 migration, under certain types of memory-bound workloads, may take a more
33 unpredictable amount of time to complete the migration if the amount of
34 memory tracked during each live migration iteration round cannot keep pace
39 migration using RDMA is capable of using both technologies because of
47 for a working build of QEMU to run successfully using RDMA Migration.
52 Use of RDMA during migration requires pinning and registering memory
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| /openbmc/qemu/migration/ |
| H A D | cpr-transfer.c | 13 #include "migration/cpr.h"
14 #include "migration/migration.h"
15 #include "migration/savevm.h"
16 #include "migration/qemu-file.h"
17 #include "migration/vmstate.h"
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| /openbmc/qemu/tests/functional/ |
| H A D | meson.build | |