[PULL 00/38] Migration 20231016 patches

[Juan Quintela]

The following changes since commit 63011373ad22c794a013da69663c03f1297a5c56:

  Merge tag 'pull-riscv-to-apply-20231012-1' of 
https://github.com/alistair23/qemu into staging (2023-10-12 10:24:44 -0400)

are available in the Git repository at:

  https://gitlab.com/juan.quintela/qemu.git tags/migration-20231016-pull-request

for you to fetch changes up to f39b0f42753635b0f2d8b00a26d11bb197bf51e2:

  migration/multifd: Clarify Error usage in multifd_channel_connect (2023-10-16 
11:01:33 +0200)

----------------------------------------------------------------
Migration Pull request (20231016)

In this pull request:
- rdma cleanups
- removal of QEMUFileHook
- test for analyze-migration.py
- test for multifd file
- multifd cleanups
- available switchover bandwidth
- lots of cleanups.

CI: https://gitlab.com/juan.quintela/qemu/-/pipelines/1037878829

Please, apply.

----------------------------------------------------------------

Dmitry Frolov (1):
  migration: fix RAMBlock add NULL check

Elena Ufimtseva (3):
  migration: check for rate_limit_max for RATE_LIMIT_DISABLED
  multifd: fix counters in multifd_send_thread
  multifd: reset next_packet_len after sending pages

Fabiano Rosas (13):
  migration: Fix analyze-migration.py 'configuration' parsing
  migration: Add capability parsing to analyze-migration.py
  migration: Fix analyze-migration.py when ignore-shared is used
  migration: Fix analyze-migration read operation signedness
  tests/qtest/migration: Add a test for the analyze-migration script
  tests/qtest: migration-test: Add tests for file-based migration
  migration/ram: Remove RAMState from xbzrle_cache_zero_page
  migration/ram: Stop passing QEMUFile around in save_zero_page
  migration/ram: Move xbzrle zero page handling into save_zero_page
  migration/ram: Merge save_zero_page functions
  migration/multifd: Remove direct "socket" references
  migration/multifd: Unify multifd_send_thread error paths
  migration/multifd: Clarify Error usage in multifd_channel_connect

Fiona Ebner (1):
  migration: hold the BQL during setup

Juan Quintela (15):
  migration: Non multifd migration don't care about multifd flushes
  migration: Create migrate_rdma()
  migration/rdma: Unfold ram_control_before_iterate()
  migration/rdma: Unfold ram_control_after_iterate()
  migration/rdma: Remove all uses of RAM_CONTROL_HOOK
  migration/rdma: Unfold hook_ram_load()
  migration/rdma: Create rdma_control_save_page()
  qemu-file: Remove QEMUFileHooks
  migration/rdma: Move rdma constants from qemu-file.h to rdma.h
  migration/rdma: Remove qemu_ prefix from exported functions
  migration/rdma: Check sooner if we are in postcopy for save_page()
  migration/rdma: Use i as for index instead of idx
  migration/rdma: Declare for index variables local
  migration/rdma: Remove all "ret" variables that are used only once
  migration: Improve json and formatting

Nikolay Borisov (2):
  migration: Add the configuration vmstate to the json writer
  migration/ram: Refactor precopy ram loading code

Peter Xu (1):
  migration: Allow user to specify available switchover bandwidth

Philippe Mathieu-Daudé (1):
  migration: Use g_autofree to simplify ram_dirty_bitmap_reload()

Wei Wang (1):
  migration: refactor migration_completion

 qapi/migration.json            |  41 ++++-
 include/migration/register.h   |   2 +-
 migration/migration.h          |   4 +-
 migration/options.h            |   2 +
 migration/qemu-file.h          |  49 ------
 migration/rdma.h               |  42 +++++
 migration/block-dirty-bitmap.c |   3 -
 migration/block.c              |   5 -
 migration/migration-hmp-cmds.c |  14 ++
 migration/migration-stats.c    |   9 +-
 migration/migration.c          | 199 +++++++++++++--------
 migration/multifd.c            | 101 +++++------
 migration/options.c            |  35 ++++
 migration/qemu-file.c          |  61 +------
 migration/ram.c                | 306 ++++++++++++++++++---------------
 migration/rdma.c               | 259 ++++++++++++----------------
 migration/savevm.c             |  22 ++-
 tests/qtest/migration-test.c   | 207 ++++++++++++++++++++++
 migration/trace-events         |  33 ++--
 scripts/analyze-migration.py   |  67 +++++++-
 tests/qtest/meson.build        |   2 +
 21 files changed, 895 insertions(+), 568 deletions(-)

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2.41.0