Merge tag 'migration-20240311-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request

- Avihai's fix to allow vmstate iterators to not starve for VFIO
- Maksim's fix on additional check on precopy load error
- Fabiano's fix on fdatasync() hang in mapped-ram
- Jonathan's fix on vring cached access over MMIO regions
- Cedric's cleanup patches 1-4 out of his error report series
- Yu's fix for RDMA migration (which used to be broken even for 8.2)
- Anthony's small cleanup/fix on err message
- Steve's patches on privatize migration.h
- Xiang's patchset to enable zero page detections in multifd threads

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* tag 'migration-20240311-pull-request' of https://gitlab.com/peterx/qemu: (34 commits)
  migration/multifd: Add new migration test cases for legacy zero page checking.
  migration/multifd: Enable multifd zero page checking by default.
  migration/multifd: Implement ram_save_target_page_multifd to handle multifd version of MigrationOps::ram_save_target_page.
  migration/multifd: Implement zero page transmission on the multifd thread.
  migration/multifd: Add new migration option zero-page-detection.
  migration/multifd: Allow clearing of the file_bmap from multifd
  migration/multifd: Allow zero pages in file migration
  migration: purge MigrationState from public interface
  migration: delete unused accessors
  migration: privatize colo interfaces
  migration: migration_file_set_error
  migration: migration_is_device
  migration: migration_thread_is_self
  migration: export vcpu_dirty_limit_period
  migration: export migration_is_running
  migration: export migration_is_active
  migration: export migration_is_setup_or_active
  migration: remove migration.h references
  migration: export fewer options
  migration: Fix format in error message
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 10 insertions, 8 deletions

diff --git a/include/migration/misc.h b/include/migration/misc.h
index 5d1aa593ed..c9e200f4eb 100644
--- a/include/migration/misc.h
+++ b/include/migration/misc.h
@@ -17,6 +17,7 @@
 #include "qemu/notify.h"
 #include "qapi/qapi-types-migration.h"
 #include "qapi/qapi-types-net.h"
+#include "migration/client-options.h"
 
 /* migration/ram.c */
 
@@ -59,8 +60,10 @@ void dump_vmstate_json_to_file(FILE *out_fp);
 void migration_object_init(void);
 void migration_shutdown(void);
 bool migration_is_idle(void);
-bool migration_is_active(MigrationState *);
-bool migrate_mode_is_cpr(MigrationState *);
+bool migration_is_active(void);
+bool migration_is_device(void);
+bool migration_thread_is_self(void);
+bool migration_is_setup_or_active(void);
 
 typedef enum MigrationEventType {
     MIG_EVENT_PRECOPY_SETUP,
@@ -99,16 +102,15 @@ void migration_add_notifier_mode(NotifierWithReturn *notify,
                                  MigrationNotifyFunc func, MigMode mode);
 
 void migration_remove_notifier(NotifierWithReturn *notify);
-int migration_call_notifiers(MigrationState *s, MigrationEventType type,
-                             Error **errp);
-bool migration_in_setup(MigrationState *);
-bool migration_has_finished(MigrationState *);
-bool migration_has_failed(MigrationState *);
-/* ...and after the device transmission */
+bool migration_is_running(void);
+void migration_file_set_error(int err);
+
 /* True if incoming migration entered POSTCOPY_INCOMING_DISCARD */
 bool migration_in_incoming_postcopy(void);
+
 /* True if incoming migration entered POSTCOPY_INCOMING_ADVISE */
 bool migration_incoming_postcopy_advised(void);
+
 /* True if background snapshot is active */
 bool migration_in_bg_snapshot(void);