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qemu/migration
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Avihai Horon 08fc4cb517 migration: Add .save_prepare() handler to struct SaveVMHandlers 
Add a new .save_prepare() handler to struct SaveVMHandlers. This handler
is called early, even before migration starts, and can be used by
devices to perform early checks.

Refactor migrate_init() to be able to return errors and call
.save_prepare() from there.

Suggested-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-09-11 08:34:06 +02:00
..
block-dirty-bitmap.c migration: Move rate_limit_max and rate_limit_used to migration_stats 2023-05-18 18:40:51 +02:00
block.c block-migration: Ensure we don't crash during migration cleanup 2023-08-30 07:39:10 -04:00
block.h
channel-block.c io: follow coroutine AioContext in qio_channel_yield() 2023-09-07 20:32:11 -05:00
channel-block.h migration: introduce a QIOChannel impl for BlockDriverState VMState 2022-06-22 19:33:43 +01:00
channel.c migration: check magic value for deciding the mapping of channels 2023-02-06 19:22:57 +01:00
channel.h migration: check magic value for deciding the mapping of channels 2023-02-06 19:22:57 +01:00
colo-failover.c migration/colo: Improve an x-colo-lost-heartbeat error message 2023-02-23 14:10:17 +01:00
colo.c migration: process_incoming_migration_co(): move colo part to colo 2023-05-18 18:40:51 +02:00
dirtyrate.c migration/dirtyrate: Fix precision losses and g_usleep overshoot 2023-08-29 10:19:03 +08:00
dirtyrate.h migration/dirtyrate: Refactor dirty page rate calculation 2022-07-20 12:15:08 +01:00
exec.c *: Add missing includes of qemu/error-report.h 2023-03-22 15:06:57 +00:00
exec.h
fd.c bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
fd.h
global_state.c migration: never fail in global_state_store() 2023-06-02 01:03:19 +02:00
meson.build meson: Replace softmmu_ss -> system_ss 2023-06-20 10:01:30 +02:00
migration-hmp-cmds.c migration: Extend query-migrate to provide dirty page limit info 2023-07-26 10:55:56 +02:00
migration-stats.c migration: spelling fixes 2023-07-25 17:13:20 +03:00
migration-stats.h migration: We don't need the field rate_limit_used anymore 2023-05-18 18:40:51 +02:00
migration.c migration: Add .save_prepare() handler to struct SaveVMHandlers 2023-09-11 08:34:06 +02:00
migration.h migration: Add .save_prepare() handler to struct SaveVMHandlers 2023-09-11 08:34:06 +02:00
multifd-zlib.c migration: spelling fixes 2023-07-25 17:13:20 +03:00
multifd-zstd.c migration: spelling fixes 2023-07-25 17:13:20 +03:00
multifd.c migration/multifd: Rename threadinfo.c functions 2023-07-26 10:55:56 +02:00
multifd.h multifd: Add the ramblock to MultiFDRecvParams 2023-05-10 18:48:11 +02:00
options.c migration: enforce multifd and postcopy preempt to be set before incoming 2023-07-26 10:55:56 +02:00
options.h migration: Introduce dirty-limit capability 2023-07-26 10:55:56 +02:00
page_cache.c migration: Fix cache_init()'s "Failed to allocate" error messages 2021-02-08 11:19:51 +00:00
page_cache.h migration: Clean up signed vs. unsigned XBZRLE cache-size 2021-02-08 11:19:51 +00:00
postcopy-ram.c migration/ram: Expose ramblock_is_ignored() as migrate_ram_is_ignored() 2023-07-12 09:25:37 +02:00
postcopy-ram.h migration: Allow postcopy_ram_supported_by_host() to report err 2023-04-27 10:18:25 +02:00
qemu-file.c migration/rdma: Split qemu_fopen_rdma() into input/output functions 2023-07-26 10:55:56 +02:00
qemu-file.h migration/rdma: Split qemu_fopen_rdma() into input/output functions 2023-07-26 10:55:56 +02:00
ram-compress.c ram-compress.c: Make target independent 2023-05-08 15:25:26 +02:00
ram-compress.h ram.c: Move core decompression code into its own file 2023-05-08 15:25:26 +02:00
ram.c migration: Implement dirty-limit convergence algo 2023-07-26 10:55:56 +02:00
ram.h migration/ram: Expose ramblock_is_ignored() as migrate_ram_is_ignored() 2023-07-12 09:25:37 +02:00
rdma.c io: follow coroutine AioContext in qio_channel_yield() 2023-09-07 20:32:11 -05:00
rdma.h
savevm.c migration: Add .save_prepare() handler to struct SaveVMHandlers 2023-09-11 08:34:06 +02:00
savevm.h migration: Add .save_prepare() handler to struct SaveVMHandlers 2023-09-11 08:34:06 +02:00
socket.c migration: Move migrate_use_zero_copy_send() to options.c 2023-04-24 15:01:46 +02:00
socket.h migration: Postcopy preemption preparation on channel creation 2022-07-20 12:15:08 +01:00
target.c migration: Add migration prefix to functions in target.c 2023-09-11 08:34:06 +02:00
threadinfo.c migration/multifd: Protect accesses to migration_threads 2023-07-26 10:55:56 +02:00
threadinfo.h migration/multifd: Protect accesses to migration_threads 2023-07-26 10:55:56 +02:00
tls.c migration: Drop unused parameter for migration_tls_client_create() 2023-05-03 11:24:20 +02:00
tls.h migration: Drop unused parameter for migration_tls_client_create() 2023-05-03 11:24:20 +02:00
trace-events migration: Implement dirty-limit convergence algo 2023-07-26 10:55:56 +02:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vmstate-types.c Move CPU softfloat unions to cpu-float.h 2022-04-06 14:31:43 +02:00
vmstate.c qemu-file: Rename qemu_file_transferred_ fast -> noflush 2023-07-26 10:55:56 +02:00
xbzrle.c migration/xbzrle: Use i386 host/cpuinfo.h 2023-05-23 16:51:18 -07:00
xbzrle.h migration/xbzrle: Use i386 host/cpuinfo.h 2023-05-23 16:51:18 -07:00
yank_functions.c bulk: Remove pointless QOM casts 2023-06-05 20:48:34 +02:00
yank_functions.h migration: Move the yank unregister of channel_close out 2021-07-26 12:45:03 +01:00