Merge tag 'migration-20230505-pull-request' of https://gitlab.com/juan.quintela/qemu...

Merge tag 'migration-20230505-pull-request' of https://gitlab.com/juan.quintela/qemu into staging

Migration Pull request (20230505 edition)

In this series:
- fix block_bitmap_mapping (juan)
- RDMA cleanup (juan)
- qemu file cleanup (juan)

Please apply.

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# gpg: Signature made Fri 05 May 2023 01:47:17 AM BST
# gpg:                using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [undefined]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* tag 'migration-20230505-pull-request' of https://gitlab.com/juan.quintela/qemu:
  qemu-file: Make ram_control_save_page() use accessors for rate_limit
  qemu-file: Make total_transferred an uint64_t
  qemu-file: remove shutdown member
  qemu-file: No need to check for shutdown in qemu_file_rate_limit
  migration: qemu_file_total_transferred() function is monotonic
  migration: max_postcopy_bandwidth is a size parameter
  migration/rdma: Check for postcopy sooner
  migration/rdma: It makes no sense to recive that flag without RDMA
  migration/rdma: We can calculate the rioc from the QEMUFile
  migration/rdma: simplify ram_control_load_hook()
  migration: Make RAM_SAVE_FLAG_HOOK a normal case entry
  migration: Rename xbzrle_enabled xbzrle_started
  migration: Put zero_pages in alphabetical order
  migration: Document all migration_stats
  migration/rdma: Don't pass the QIOChannelRDMA as an opaque
  migration: Fix block_bitmap_mapping migration

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