Merge tag 'migration-20260123-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- Removal of deprecated query-migrationthreads command
- Removal of deprecated QMP migrate argument 'detach'
- Removal of deprecated zero-blocks capability
- Removal of deprecated migration to file using fd: URI
- Improvements to fd handling in QEMUFile
- Cleanups to postcopy tests
- Cleanup of migration channel connection code

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* tag 'migration-20260123-pull-request' of https://gitlab.com/farosas/qemu: (36 commits)
  migration/channel: Centralize calling migration_channel_connect_outgoing
  migration: Remove qmp_migrate_finish
  migration: Move CPR HUP watch to cpr-transfer.c
  migration: Free cpr-transfer MigrationAddress along with gsource
  migration: Move URI parsing to channel.c
  migration: Move channel parsing to channel.c
  migration: Move transport connection code into channel.c
  migration: Move channel code to channel.c
  migration: Rename instances of start
  migration/channel: Rename migration_channel_connect
  migration: Start incoming from channel.c
  migration/rdma: Use common connection paths
  migration: Move setting of QEMUFile into migration_outgoing|incoming_setup
  migration: Handle error in the early async paths
  migration: Fold migration_cleanup() into migration_connect_error_propagate()
  migration: yank: Move register instance earlier
  migration: Expand migration_connect_error_propagate to cover cancelling
  migration: Move error reporting out of migration_cleanup
  migration: Free the error earlier in the resume case
  migration: Use migrate_mode() to query for cpr-transfer
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

include/migration/cpr.h

@@ -9,6 +9,7 @@
 #define MIGRATION_CPR_H
 
 #include "qapi/qapi-types-migration.h"
+#include "io/channel.h"
 #include "qemu/queue.h"
 
 #define MIG_MODE_NONE           -1
@@ -53,6 +54,10 @@ int cpr_get_fd_param(const char *name, const char *fdname, int index,
 QEMUFile *cpr_transfer_output(MigrationChannel *channel, Error **errp);
 QEMUFile *cpr_transfer_input(MigrationChannel *channel, Error **errp);
 
+void cpr_transfer_add_hup_watch(MigrationState *s, QIOChannelFunc func,
+                                void *opaque);
+void cpr_transfer_source_destroy(MigrationState *s);
+
 void cpr_exec_init(void);
 QEMUFile *cpr_exec_output(Error **errp);
 QEMUFile *cpr_exec_input(Error **errp);