[PULL 00/25] migration queue

[Dr. David Alan Gilbert (git)]

From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

The following changes since commit 2b049d2c8dc01de750410f8f1a4eac498c04c723:

  Merge tag 'pull-aspeed-20220622' of https://github.com/legoater/qemu into 
staging (2022-06-22 07:27:06 -0700)

are available in the Git repository at:

  https://gitlab.com/dagrh/qemu.git tags/pull-migration-20220623b

for you to fetch changes up to 77ef2dc1c8c6a482fd06fdf3b59d0647f0850e3e:

  migration: remove the QEMUFileOps abstraction (2022-06-23 10:18:13 +0100)

----------------------------------------------------------------
[v3] Migration pull 2022-06-23

This replaces my and Juan's earlier pulls over the last 2 days;
4th time lucky?

Compared to my pull earlier:
  Removed Hyman's dirty ring set

In this migration PULL request:
- Dainiel Berrangé - qemufileops cleanup
- Leonardo Bras  - cleanups for zero copy
- Juan Quintela  - RDMA cleanups

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

----------------------------------------------------------------
Daniel P. Berrangé (21):
      io: add a QIOChannelNull equivalent to /dev/null
      migration: switch to use QIOChannelNull for dummy channel
      migration: remove unreachble RDMA code in save_hook impl
      migration: rename rate limiting fields in QEMUFile
      migration: rename 'pos' field in QEMUFile to 'bytes_processed'
      migration: rename qemu_ftell to qemu_file_total_transferred
      migration: rename qemu_update_position to qemu_file_credit_transfer
      migration: rename qemu_file_update_transfer to qemu_file_acct_rate_limit
      migration: introduce a QIOChannel impl for BlockDriverState VMState
      migration: convert savevm to use QIOChannelBlock for VMState
      migration: stop passing 'opaque' parameter to QEMUFile hooks
      migration: hardcode assumption that QEMUFile is backed with QIOChannel
      migration: introduce new constructors for QEMUFile
      migration: remove unused QEMUFileGetFD typedef / qemu_get_fd method
      migration: remove the QEMUFileOps 'shut_down' callback
      migration: remove the QEMUFileOps 'set_blocking' callback
      migration: remove the QEMUFileOps 'close' callback
      migration: remove the QEMUFileOps 'get_buffer' callback
      migration: remove the QEMUFileOps 'writev_buffer' callback
      migration: remove the QEMUFileOps 'get_return_path' callback
      migration: remove the QEMUFileOps abstraction

Juan Quintela (1):
      migration: Remove RDMA_UNREGISTRATION_EXAMPLE

Leonardo Bras (3):
      QIOChannelSocket: Introduce assert and reduce ifdefs to improve 
readability
      QIOChannelSocket: Fix zero-copy send so socket flush works
      migration: Change zero_copy_send from migration parameter to migration 
capability

 include/io/channel-null.h         |  55 +++++++++
 io/channel-null.c                 | 237 ++++++++++++++++++++++++++++++++++++++
 io/channel-socket.c               |  19 ++-
 io/meson.build                    |   1 +
 io/trace-events                   |   3 +
 migration/block.c                 |  10 +-
 migration/channel-block.c         | 195 +++++++++++++++++++++++++++++++
 migration/channel-block.h         |  59 ++++++++++
 migration/channel.c               |   4 +-
 migration/colo.c                  |   5 +-
 migration/meson.build             |   2 +-
 migration/migration.c             |  68 +++++------
 migration/multifd.c               |   4 +-
 migration/qemu-file-channel.c     | 194 -------------------------------
 migration/qemu-file-channel.h     |  32 -----
 migration/qemu-file.c             | 193 ++++++++++++++++++-------------
 migration/qemu-file.h             | 125 +++++++++-----------
 migration/ram.c                   |   8 +-
 migration/rdma.c                  | 185 ++++++-----------------------
 migration/savevm.c                |  55 ++-------
 migration/vmstate.c               |   5 +-
 monitor/hmp-cmds.c                |   6 -
 qapi/migration.json               |  33 ++----
 tests/unit/meson.build            |   1 +
 tests/unit/test-io-channel-null.c |  95 +++++++++++++++
 tests/unit/test-vmstate.c         |   5 +-
 26 files changed, 928 insertions(+), 671 deletions(-)
 create mode 100644 include/io/channel-null.h
 create mode 100644 io/channel-null.c
 create mode 100644 migration/channel-block.c
 create mode 100644 migration/channel-block.h
 delete mode 100644 migration/qemu-file-channel.c
 delete mode 100644 migration/qemu-file-channel.h
 create mode 100644 tests/unit/test-io-channel-null.c