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  • 19 commits
  • 22 files changed
  • 3 contributors

Commits on May 4, 2023

  1. migration: Fix block_bitmap_mapping migration 

    It is valid that params->has_block_bitmap_mapping is true and
params->block_bitmap_mapping is NULL.  So we can't use the trick of
having a single function.

Move to two functions one for each value and the tests are fixed.

Fixes: b804b35
       migration: Create migrate_block_bitmap_mapping() function

Reported-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20230503181036.14890-1-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  2. migration/rdma: Don't pass the QIOChannelRDMA as an opaque 

    We can calculate it from the QEMUFile like the caller.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230503131847.11603-6-quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  3. migration: Document all migration_stats 

    Message-Id: <20230504103357.22130-2-quintela@redhat.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  4. migration: Put zero_pages in alphabetical order 

    I forgot to move it when I rename it from duplicated_pages.

Message-Id: <20230504103357.22130-3-quintela@redhat.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  5. migration: Rename xbzrle_enabled xbzrle_started 

    Otherwise it is confusing with the function xbzrle_enabled().

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230504115323.24407-1-quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  6. migration: Make RAM_SAVE_FLAG_HOOK a normal case entry 

    Fixes this commit, clearly a bad merge after a rebase or similar, it
should have been its own case since that point.

commit 5b0e9dd
Author: Peter Lieven <pl@kamp.de>
Date:   Tue Jun 24 11:32:36 2014 +0200

    migration: catch unknown flag combinations in ram_load

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504114443.23891-2-quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  7. migration/rdma: simplify ram_control_load_hook() 

    Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504114443.23891-3-quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  8. migration/rdma: We can calculate the rioc from the QEMUFile 

    Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504114443.23891-4-quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  9. migration/rdma: It makes no sense to recive that flag without RDMA 

    This could only happen if the source sent
RAM_SAVE_FLAG_HOOK (i.e. rdma) and destination don't have CONFIG_RDMA.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504114443.23891-5-quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  10. migration/rdma: Check for postcopy sooner 

    It makes no sense first try to see if there is an rdma error and then
do nothing on postcopy stage.  Change it so we check we are in
postcopy before doing anything.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504114443.23891-6-quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  11. migration: max_postcopy_bandwidth is a size parameter 

    So make everything that uses it uint64_t no int64_t.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504113841.23130-2-quintela@redhat.com>
    Juan Quintela committed May 4, 2023
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  12. migration: qemu_file_total_transferred() function is monotonic 

    So delta_bytes can only be greater or equal to zero.  Never negative.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504113841.23130-3-quintela@redhat.com>
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Commits on May 5, 2023

  1. qemu-file: No need to check for shutdown in qemu_file_rate_limit 

    After calling qemu_file_shutdown() we set the error as -EIO if there
is no another previous error, so no need to check it here.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504113841.23130-6-quintela@redhat.com>
    Juan Quintela committed May 5, 2023
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  2. qemu-file: remove shutdown member 

    The first thing that we do after setting the shutdown value is set the
error as -EIO if there is not a previous error.

So this value is redundant.  Just remove it and use
qemu_file_get_error() in the places that it was tested.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20230504113841.23130-7-quintela@redhat.com>
    Juan Quintela committed May 5, 2023
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  3. qemu-file: Make total_transferred an uint64_t 

    Change all the functions that use it.  It was already passed as
uint64_t.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230504113841.23130-8-quintela@redhat.com>
    Juan Quintela committed May 5, 2023
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  4. qemu-file: Make ram_control_save_page() use accessors for rate_limit 

    Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20230504113841.23130-9-quintela@redhat.com>
    Juan Quintela committed May 5, 2023
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  5. audio/pwaudio.c: Add Pipewire audio backend for QEMU 

    This commit adds a new audiodev backend to allow QEMU to use Pipewire as
both an audio sink and source. This backend is available on most systems

Add Pipewire entry points for QEMU Pipewire audio backend
Add wrappers for QEMU Pipewire audio backend in qpw_pcm_ops()
qpw_write function returns the current state of the stream to pwaudio
and Writes some data to the server for playback streams using pipewire
spa_ringbuffer implementation.
qpw_read function returns the current state of the stream to pwaudio and
reads some data from the server for capture streams using pipewire
spa_ringbuffer implementation. These functions qpw_write and qpw_read
are called during playback and capture.
Added some functions that convert pw audio formats to QEMU audio format
and vice versa which would be needed in the pipewire audio sink and
source functions qpw_init_in() & qpw_init_out().
These methods that implement playback and recording will create streams
for playback and capture that will start processing and will result in
the on_process callbacks to be called.
Built a connection to the Pipewire sound system server in the
qpw_audio_init() method.

Signed-off-by: Dorinda Bassey <dbassey@redhat.com>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20230417105654.32328-1-dbassey@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
    @elmarco
    Dorinda Bassey authored and elmarco committed May 5, 2023
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  6. Merge tag 'migration-20230505-pull-request' of https://gitlab.com/jua… 

    …n.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:                 aka "Juan Quintela <quintela@trasno.org>" [undefined]
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* 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>
    @rth7680
    rth7680 committed May 5, 2023
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  7. Merge tag 'pw-pull-request' of https://gitlab.com/marcandre.lureau/qemu… 

    … into staging

Add PipeWire audio backend

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* tag 'pw-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  audio/pwaudio.c: Add Pipewire audio backend for QEMU

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
    @rth7680
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