asymmetric crypto support for cryptodev-vhost-user
rom migration when rom size changes
poison get, inject, clear; mock cxl events and irq support for cxl
shadow virtqueue offload support for vhost-vdpa
vdpa now maps shadow vrings with MAP_SHARED
max_cpus went up to 1024 and we default to smbios 3.0 for pc
Fixes, cleanups all over the place. In particular
hw/acpi: Fix PM control register access
works around a very long standing bug in memory core.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: fixes, features, cleanups
asymmetric crypto support for cryptodev-vhost-user
rom migration when rom size changes
poison get, inject, clear; mock cxl events and irq support for cxl
shadow virtqueue offload support for vhost-vdpa
vdpa now maps shadow vrings with MAP_SHARED
max_cpus went up to 1024 and we default to smbios 3.0 for pc
Fixes, cleanups all over the place. In particular
hw/acpi: Fix PM control register access
works around a very long standing bug in memory core.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
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# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (53 commits)
vhost-vdpa: do not cleanup the vdpa/vhost-net structures if peer nic is present
vhost_net: add an assertion for TAP client backends
intel_iommu: Fix address space unmap
intel_iommu: Fix flag check in replay
intel_iommu: Fix a potential issue in VFIO dirty page sync
vhost-user: fully use new backend/frontend naming
virtio-scsi: avoid dangling host notifier in ->ioeventfd_stop()
hw/i386/pc: Clean up pc_machine_initfn
vdpa: fix not using CVQ buffer in case of error
vdpa: mask _F_CTRL_GUEST_OFFLOADS for vhost vdpa devices
vhost: fix vhost_dev_enable_notifiers() error case
vdpa: Allow VIRTIO_NET_F_CTRL_GUEST_OFFLOADS in SVQ
vdpa: Add vhost_vdpa_net_load_offloads()
virtio-net: expose virtio_net_supported_guest_offloads()
hw/net/virtio-net: make some VirtIONet const
vdpa: reuse virtio_vdev_has_feature()
include/hw/virtio: make some VirtIODevice const
vdpa: map shadow vrings with MAP_SHARED
vdpa: reorder vhost_vdpa_net_cvq_cmd_page_len function
vdpa: do not block migration if device has cvq and x-svq=on
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The CI rules have special logic for what happens in upstream. To enable
contributors who modify CI rules to test this logic, however, they need
to be able to override which repo is considered upstream. This
introduces the 'QEMU_CI_UPSTREAM' variable
git push gitlab <branch> -o ci.variable=QEMU_CI_UPSTREAM=berrange
to make it look as if my namespace is the actual upstream. Namespace in
this context refers to the path fragment in gitlab URLs that is above
the repository. Typically this will be the contributor's gitlab login
name.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230608164018.2520330-3-berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We use a fixed container tag of 'latest' so that contributors' forks
don't end up with an ever growing number of containers as they work
on throwaway feature branches.
This fixed tag causes problems running CI upstream in stable staging
branches, however, because the stable staging branch will publish old
container content that clashes with that needed by primary staging
branch. This makes it impossible to reliably run CI pipelines in
parallel in upstream for different staging branches.
This introduces $QEMU_CI_CONTAINER_TAG global variable as a way to
change which tag container publishing uses. Initially it can be set
by contributors as a git push option if they want to override the
default use of 'latest' eg
git push gitlab <branch> -o ci.variable=QEMU_CONTAINER_TAG=fish
this is useful if contributors need to run pipelines for different
branches concurrently in their forks.
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230608164018.2520330-2-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
CXL has 24 bit unaligned fields which need to be stored to. CXL is
specified as little endian.
Define st24_le_p() and the supporting functions to store such a field
from a 32 bit host native value.
The use of b, w, l, q as the size specifier is limiting. So "24" was
used for the size part of the function name.
Reviewed-by: Fan Ni <fan.ni@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20230526170010.574-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We use the user_ss[] array to hold the user emulation sources,
and the softmmu_ss[] array to hold the system emulation ones.
Hold the latter in the 'system_ss[]' array for parity with user
emulation.
Mechanical change doing:
$ sed -i -e s/softmmu_ss/system_ss/g $(git grep -l softmmu_ss)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230613133347.82210-10-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This reverts commits eea2d14117 ("Makefile: remove $(TESTS_PYTHON)",
2023-05-26) and 9c6692db55 ("tests: Use configure-provided pyvenv for
tests", 2023-05-18).
Right now, there is a conflict between wanting a ">=" constraint when
using a distro-provided package and wanting a "==" constraint when
installing Avocado from PyPI; this would provide the best of both worlds
in terms of resiliency for both distros that have required packages and
distros that don't.
The conflict is visible also for meson, where we would like to install
the latest 0.63.x version but also accept a distro 1.1.x version.
But it is worse for avocado, for two reasons:
1) we cannot use an "==" constraint to install avocado if the venv
includes a system avocado. The distro will package plugins that have
"==" constraints on the version that is included in the distro, and, using
"pip install avocado==88.1" on a venv that includes system packages will
result in this error:
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
avocado-framework-plugin-varianter-yaml-to-mux 98.0 requires avocado-framework==98.0, but you have avocado-framework 88.1 which is incompatible.
avocado-framework-plugin-result-html 98.0 requires avocado-framework==98.0, but you have avocado-framework 88.1 which is incompatible.
make[1]: Leaving directory '/home/berrange/src/virt/qemu/build'
2) we cannot use ">=" either if the venv does _not_ include a system
avocado, because that would result in the installation of v101.0 which
is the one we've just reverted.
So the idea is to encode the dependencies as an (acceptable, locked)
tuple, like this hypothetical TOML that would be committed inside
python/ and used by mkvenv.py:
[meson]
meson = { minimum = "0.63.0", install = "0.63.3", canary = "meson" }
[docs]
# 6.0 drops support for Python 3.7
sphinx = { minimum = "1.6", install = "<6.0", canary = "sphinx-build" }
sphinx_rtd_theme = { minimum = "0.5" }
[avocado]
avocado-framework = { minimum = "88.1", install = "88.1", canary = "avocado" }
Once this is implemented, it would also be possible to install avocado in
pyvenv/ using "mkvenv.py ensure", thus using the distro package on Fedora
and CentOS Stream (the only distros where it's available). But until
this is implemented, keep avocado in a separate venv. There is still the
benefit of using a single python for meson custom_targets and for sphinx.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
qatomic_mb_read and qatomic_mb_set were the very first atomic primitives
introduced for QEMU; their semantics are unclear and they provide a false
sense of safety.
The last use of qatomic_mb_read() has been removed, so delete it.
qatomic_mb_set() instead can survive as an optimized
qatomic_set()+smp_mb(), similar to Linux's smp_store_mb(), but
rename it to qatomic_set_mb() to match the order of the two
operations.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Document the named field syntax that we want to implement for the
decodetree script. This allows a field to be defined in terms of
some other field that the instruction pattern has already set, for
example:
%sz_imm 10:3 sz:3 !function=expand_sz_imm
to allow a function to be passed both an immediate field from the
instruction and also a sz value which might have been specified by
the instruction pattern directly (sz=1, etc) rather than being a
simple field within the instruction.
Note that the restriction on not having the format referring to the
pattern and the pattern referring to the format simultaneously is a
restriction of the decoder generator rather than inherently being a
silly thing to do.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230523120447.728365-3-peter.maydell@linaro.org>
Convert the qmp-spec.txt document to restructuredText.
Notable points about the conversion:
* numbers at the start of section headings are removed, to match
the style of the rest of the manual
* cross-references to other sections or documents are hyperlinked
* various formatting tweaks (notably the examples, which need the
-> and <- prefixed so the QMP code-block lexer will accept them)
* English prose fixed in a few places
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230515162245.3964307-2-peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[.. code-block:: dumbed down to :: to work around CI failure]
configure is only doing compiler and host setup now, so adjust the
relevant documentation. It is also possible to build emulators with
ninja directly if one is so inclined, so mention that as well.
The Python virtual environment set up is a new major task of configure
as well. Mention it in the list of produced files, while leaving it
for a future patch to document how it works and how ``mkvenv ensure``
is used.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
All uses of pkg-config have been moved to Meson.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The option is new in Meson 0.63 and removes the need to pass "static:
true" to all dependency and find_library invocation. Actually cleaning
up the invocations is left for a separate patch.
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch changes how the avocado tests are provided, ever so
slightly. Instead of creating a new testing venv, use the
configure-provided 'pyvenv' instead, and install optional packages into
that.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20230511035435.734312-20-jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add opcodes for backend support for 128-bit memory operations.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
With the current structure of cputlb.c, there is no difference
between the little-endian and big-endian entry points, aside
from the assert. Unify the pairs of functions.
Hoist the qemu_{ld,st}_helpers arrays to tcg.c.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When new dependencies and packages are added to containers, its important to
run CI container generation pipelines on gitlab to make sure that there are no
obvious conflicts between packages that are being added and those that are
already present. Running CI container pipelines will make sure that there are
no such breakages before we commit the change updating the containers. Add a
line in the documentation reminding developers to run the pipeline before
submitting the change. It will also ease the life of the maintainers.
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230506072012.10350-1-anisinha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Add the documentation about the example of using virtio-blk driver
to pass the zoned block devices through to the guest.
Signed-off-by: Sam Li <faithilikerun@gmail.com>
Message-id: 20230508051916.178322-5-faithilikerun@gmail.com
[Fix pre-formatted code syntax
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add the documentation about the zoned device support to virtio-blk
emulation.
Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20230508045533.175575-9-faithilikerun@gmail.com
Message-id: 20230324090605.28361-9-faithilikerun@gmail.com
[Add index-api.rst to fix "zoned-storage.rst:document isn't included in
any toctree" error and fix pre-formatted code syntax.
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Merge tag 'pull-qapi-2023-05-09-v2' of https://repo.or.cz/qemu/armbru into staging
QAPI patches patches for 2023-05-09
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* tag 'pull-qapi-2023-05-09-v2' of https://repo.or.cz/qemu/armbru:
qapi: Reformat doc comments to conform to current conventions
qga/qapi-schema: Reformat doc comments to conform to current conventions
docs/devel/qapi-code-gen: Update doc comment conventions
qapi: Section parameter @indent is no longer used, drop
qapi: Relax doc string @name: description indentation rules
qapi: Rewrite parsing of doc comment section symbols and tags
qapi: Fix argument description indentation stripping
tests/qapi-schema/doc-good: Improve argument description tests
tests/qapi-schema/doc-good: Improve a comment
qapi/dump: Indent bulleted lists consistently
qapi: Tidy up a slightly awkward TODO comment
sphinx/qapidoc: Do not emit TODO sections into user manuals
Revert "qapi: BlockExportRemoveMode: move comments to TODO"
meson: Fix to make QAPI generator output depend on main.py
qapi: Fix crash on stray double quote character
docs/devel/qapi-code-gen: Turn FIXME admonitions into comments
docs/devel/qapi-code-gen: Clean up use of quotes a bit
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The commit before previous relaxed the indentation rules to let us
improve the doc comment conventions. This commit changes the written
conventions. The next commits will update QAPI schemas to conform to
them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-16-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
The QAPI schema doc comment language provides special syntax for
command and event arguments, struct and union members, alternate
branches, enumeration values, and features: descriptions starting with
"@name:".
By convention, we format them like this:
# @name: Lorem ipsum dolor sit amet, consectetur adipiscing elit,
# sed do eiusmod tempor incididunt ut labore et dolore
# magna aliqua.
Okay for names as short as "name", but we have much longer ones. Their
description gets squeezed against the right margin, like this:
# @dirty-sync-missed-zero-copy: Number of times dirty RAM synchronization could
# not avoid copying dirty pages. This is between
# 0 and @dirty-sync-count * @multifd-channels.
# (since 7.1)
The description text is effectively just 50 characters wide. Easy
enough to read, but can be cumbersome to write.
The awkward squeeze against the right margin makes people go beyond it,
which produces two undesirables: arguments about style, and descriptions
that are unnecessarily hard to read, like this one:
# @postcopy-vcpu-blocktime: list of the postcopy blocktime per vCPU. This is
# only present when the postcopy-blocktime migration capability
# is enabled. (Since 3.0)
We could instead format it like
# @postcopy-vcpu-blocktime:
# list of the postcopy blocktime per vCPU. This is only present
# when the postcopy-blocktime migration capability is
# enabled. (Since 3.0)
or, since the commit before previous, like
# @postcopy-vcpu-blocktime:
# list of the postcopy blocktime per vCPU. This is only present
# when the postcopy-blocktime migration capability is
# enabled. (Since 3.0)
However, I'd rather have
# @postcopy-vcpu-blocktime: list of the postcopy blocktime per vCPU.
# This is only present when the postcopy-blocktime migration
# capability is enabled. (Since 3.0)
because this is how rST field and option lists work.
To get this, we need to let the first non-blank line after the
"@name:" line determine expected indentation.
This fills up the indentation pitfall mentioned in
docs/devel/qapi-code-gen.rst. A related pitfall still exists. Update
the text to show it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-14-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
[Work around lack of walrus operator in Python 3.7 and older]
QAPI doc comments are for QMP users: they go into the "QEMU QMP
Reference Manual" and the "QEMU Storage Daemon QMP Reference Manual".
The doc comment TODO sections are for somebody else, namely for the
people who can do: developers. Do not emit them into the user
manuals.
This elides the following TODOs:
* SchemaInfoCommand
# TODO: @success-response (currently irrelevant, because it's QGA, not QMP)
This is a note to developers adding introspection to the guest
agent. It makes no sense to users.
* @query-hotpluggable-cpus
# TODO: Better documentation; currently there is none.
This is a reminder for developers. It doesn't help users.
* @device_add
# TODO: This command effectively bypasses QAPI completely due to its
# "additional arguments" business. It shouldn't have been added to
# the schema in this form. It should be qapified properly, or
# replaced by a properly qapified command.
Likewise.
Eliding them is an improvement.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-7-armbru@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
We have two FIXME notes. These FIXMEs are for QAPI developers. They
are not useful for QAPI schema developers. They are marked up as
admonitions, which makes them look important in generated HTML.
Turn them into comments. QAPI developers will still see them (they
read and write the .rst). QAPI schema developers may still see
them (if they read the .rst instead of the generated .html), but "this
is just for QAPI developers" should be more obvious.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-3-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Section "Definition documentation" uses both single and double quotes
around doc text snippets. Stick to double quotes.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-2-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
--without-default-devices is a specialized option that should only be used
when configs/devices/ is changed manually.
Explain the model towards which we should tend, with respect to failures
to start guests and to run "make check".
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230427095346.1238913-1-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Peter Maydell's commit 100cc4fe0f explains:
rST insists on a blank line before and after a bulleted list [...]
Add some extra blank lines in the doc comments so they're
acceptable rST input.
It missed one in qapi/trace.json.
Paolo Bonzini later added another instance in qapi/stats.json,
providing further, if unintended, evidence for his quip that rST is
the Perl of ASCII-based markups.
Both are parsed as ordinary paragraph, resulting in garbled output.
John Snow missed the need for a blank line when converting
docs/devel/qapi-code-gen.txt to rST.
Add the blank lines we need to get the bullet lists recognized as
such.
Kevin Wolf and Lukas Straub added two more, but indented. Sphinx
recognizes them as (indented) bullet lists. The indentation looks
slightly off.
Insert a blank line and delete the extra indentation.
Fixes: 100cc4fe0f (qapi: Add blank lines before bulleted lists)
Fixes: 467ef823d8 (qmp: add filtering of statistics by target vCPU)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230425064223.820979-10-armbru@redhat.com>
[Fix of docs/devel/qapi-code-gen.rst squashed, commit message adjusted]
Documentation suggests @foo is merely shorthand for ``foo``. It's
not, it carries additional meaning: it's a reference to a QAPI schema
name.
Reword the documentation to spell that out.
Fix up the few ``foo`` that should be @foo.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230425064223.820979-7-armbru@redhat.com>
Devices can pass their MemoryReentrancyGuard (from their DeviceState),
when creating new BHes. Then, the async API will toggle the guard
before/after calling the BH call-back. This prevents bh->mmio reentrancy
issues.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20230427211013.2994127-3-alxndr@bu.edu>
[thuth: Fix "line over 90 characters" checkpatch.pl error]
Signed-off-by: Thomas Huth <thuth@redhat.com>
There use makes our code safer so we should mention them.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20230424092249.58552-19-alex.bennee@linaro.org>
We have a more complete document on QOM but we should at least mention
the style requirements in the style guide.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230424092249.58552-18-alex.bennee@linaro.org>
While not explicitly disallowing header macro abuse (because that
would make us hypocrites) lets at least address some things to think
about.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230424092249.58552-17-alex.bennee@linaro.org>
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Merge tag 'pull-qapi-2023-04-26' of https://repo.or.cz/qemu/armbru into staging
QAPI patches patches for 2023-04-26
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# gpg: Signature made Wed 26 Apr 2023 06:55:53 AM BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [undefined]
# gpg: aka "Markus Armbruster <armbru@pond.sub.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: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* tag 'pull-qapi-2023-04-26' of https://repo.or.cz/qemu/armbru:
qapi: allow unions to contain further unions
qapi: Improve specificity of type/member descriptions
qapi: support updating expected test output via make
qapi: Require boxed for conditional command and event arguments
qapi: Fix code generated for optional conditional struct member
tests/qapi-schema: Cover optional conditional struct member
tests/qapi-schema: Clean up positive test for conditionals
tests/qapi-schema: Rename a few conditionals
tests/qapi-schema: Improve union discriminator coverage
qapi: Fix to reject 'data': 'mumble' in struct
qapi: Fix error message when type name or array is expected
qapi: Simplify code a bit after previous commits
qapi: Improve error message for unexpected array types
qapi: Split up check_type()
qapi: Clean up after removal of simple unions
qapi/schema: Use super()
qapi: Fix error message format regression
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Mostly just fixes, cleanups all over the place.
Some optimizations.
More control over slot_reserved_mask.
More feature bits supported for SVQ.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: fixes, features, cleanups
Mostly just fixes, cleanups all over the place.
Some optimizations.
More control over slot_reserved_mask.
More feature bits supported for SVQ.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (31 commits)
hw/pci-bridge: Make PCIe and CXL PXB Devices inherit from TYPE_PXB_DEV
hw/pci-bridge: pci_expander_bridge fix type in pxb_cxl_dev_reset()
docs/specs: Convert pci-testdev.txt to rst
docs/specs: Convert pci-serial.txt to rst
docs/specs/pci-ids: Convert from txt to rST
acpi: pcihp: allow repeating hot-unplug requests
virtio: i2c: Check notifier helpers for VIRTIO_CONFIG_IRQ_IDX
docs: Remove obsolete descriptions of SR-IOV support
intel_iommu: refine iotlb hash calculation
docs/cxl: Fix sentence
MAINTAINERS: Add Eugenio Pérez as vhost-shadow-virtqueue reviewer
tests: bios-tables-test: replace memset with initializer
hw/acpi: limit warning on acpi table size to pc machines older than version 2.3
Add my old and new work email mapping and use work email to support acpi
vhost-user-blk-server: notify client about disk resize
pci: avoid accessing slot_reserved_mask directly outside of pci.c
hw: Add compat machines for 8.1
hw/i386/amd_iommu: Factor amdvi_pci_realize out of amdvi_sysbus_realize
hw/i386/amd_iommu: Set PCI static/const fields via PCIDeviceClass
hw/i386/amd_iommu: Move capab_offset from AMDVIState to AMDVIPCIState
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The C code generator fails to honor 'if' conditions of command and
event arguments.
For instance, tests/qapi-schema/qapi-schema-test.json has
{ 'event': 'TEST_IF_EVENT',
'data': { 'foo': 'TestIfStruct',
'bar': { 'type': ['str'], 'if': 'TEST_IF_EVT_ARG' } },
'if': { 'all': ['TEST_IF_EVT', 'TEST_IF_STRUCT'] } }
Generated tests/test-qapi-events.h fails to honor the TEST_IF_EVT_ARG
condition:
#if defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)
void qapi_event_send_test_if_event(TestIfStruct *foo, strList *bar);
#endif /* defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT) */
Only uses so far are in tests/.
We could fix the generator to emit something like
#if defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)
void qapi_event_send_test_if_event(TestIfStruct *foo
#if defined(TEST_IF_EVT_ARG)
, strList *bar
#endif
);
#endif /* defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT) */
Ugly. Calls become similarly ugly. Not worth fixing.
Conditional arguments work fine with 'boxed': true, simply because
complex types with conditional members work fine. Not worth breaking.
Reject conditional arguments unless boxed.
Move the tests cases covering unboxed conditional arguments out of
tests/qapi-schema/qapi-schema-test.json. Cover boxed conditional
arguments there instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230316071325.492471-15-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Update mailmap to indicate ani@anisinha.ca and anisinha@redhat.com are one and
the same person. Additionally update MAINTAINERS and bits documentation to use
my work (redhat) email.
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Message-Id: <20230320114233.90638-1-anisinha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In rST markup syntax, the inline markup (*italics*, **bold** and
``monospaced``) must be separated from the surrending text by
non-word characters, otherwise it is not interpreted as markup.
To force interpretation as markup in the middle of a word,
you need to use a backslash-escaped space (which will not
appear as a space in the output).
Fix a missing backslash-space in this file, which meant that the ``
after "select" was output literally and the monospacing was
incorrectly extended all the way to the end of the next monospaced
word.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230411105424.3994585-1-peter.maydell@linaro.org
The documentation for smp_read_barrier_depends() does not mention the architectures
for which it is an optimization, for example ARM and PPC. As a result, it is not
clear to the reader why one would use it. Relegate Alpha to a footnote together
with other architectures where it is equivalent to smp_rmb().
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
On ARM, seqcst loads and stores (which QEMU does not use) are compiled
respectively as LDAR and STLR instructions. Even though LDAR is
also used for load-acquire operations, it also waits for all STLRs to
leave the store buffer. Thus, LDAR and STLR alone are load-acquire
and store-release operations, but LDAR also provides store-against-load
ordering as long as the previous store is a STLR.
Compare this to ARMv7, where store-release is DMB+STR and load-acquire
is LDR+DMB, but an additional DMB is needed between store-seqcst and
load-seqcst (e.g. DMB+STR+DMB+LDR+DMB); or with x86, where MOV provides
load-acquire and store-release semantics and the two can be reordered.
Likewise, on ARM sequentially consistent read-modify-write operations only
need to use LDAXR and STLXR respectively for the load and the store, while
on x86 they need to use the stronger LOCK prefix.
In a strange twist of events, however, the _stronger_ semantics
of the ARM instructions can end up causing bugs on ARM, not on x86.
The problems occur when seqcst atomics are mixed with relaxed atomics.
QEMU's atomics try to bridge the Linux API (that most of the developers
are familiar with) and the C11 API, and the two have a substantial
difference:
- in Linux, strongly-ordered atomics such as atomic_add_return() affect
the global ordering of _all_ memory operations, including for example
READ_ONCE()/WRITE_ONCE()
- in C11, sequentially consistent atomics (except for seq-cst fences)
only affect the ordering of sequentially consistent operations.
In particular, since relaxed loads are done with LDR on ARM, they are
not ordered against seqcst stores (which are done with STLR).
QEMU implements high-level synchronization primitives with the idea that
the primitives contain the necessary memory barriers, and the callers can
use relaxed atomics (qatomic_read/qatomic_set) or even regular accesses.
This is very much incompatible with the C11 view that seqcst accesses
are only ordered against other seqcst accesses, and requires using seqcst
fences as in the following example:
qatomic_set(&y, 1); qatomic_set(&x, 1);
smp_mb(); smp_mb();
... qatomic_read(&x) ... ... qatomic_read(&y) ...
When a qatomic_*() read-modify write operation is used instead of one
or both stores, developers that are more familiar with the Linux API may
be tempted to omit the smp_mb(), which will work on x86 but not on ARM.
This nasty difference between Linux and C11 read-modify-write operations
has already caused issues in util/async.c and more are being found.
Provide something similar to Linux smp_mb__before/after_atomic(); this
has the double function of documenting clearly why there is a memory
barrier, and avoiding a double barrier on x86 and s390x systems.
The new macro can already be put to use in qatomic_mb_set().
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- ensure socat available for tests
- skip socat tests for MacOS
- properly clean up fifos after use
- make fp-test less chatty
- store test artefacts on Cirrus
- control custom runners with QEMU_CI knobs
- disable benchmark runs under tsan build
- update ubuntu 2004 to 2204
- skip nios2 kernel replay test
- add tuxrun baselines to avocado
- binary build of tricore tools
- export test results on cross builds
- improve windows builds
- ensure we properly print TAP headers
- migrate away from docker.py for building containers
- be more efficient in our handling of build artefacts between stages
- enable ztsd in containers so we can run tux_baselines
- disable heavyweight PPC64 Boot Linux test in CI
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Merge tag 'pull-testing-next-010323-1' of https://gitlab.com/stsquad/qemu into staging
testing updates:
- ensure socat available for tests
- skip socat tests for MacOS
- properly clean up fifos after use
- make fp-test less chatty
- store test artefacts on Cirrus
- control custom runners with QEMU_CI knobs
- disable benchmark runs under tsan build
- update ubuntu 2004 to 2204
- skip nios2 kernel replay test
- add tuxrun baselines to avocado
- binary build of tricore tools
- export test results on cross builds
- improve windows builds
- ensure we properly print TAP headers
- migrate away from docker.py for building containers
- be more efficient in our handling of build artefacts between stages
- enable ztsd in containers so we can run tux_baselines
- disable heavyweight PPC64 Boot Linux test in CI
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# gpg: Signature made Wed 01 Mar 2023 12:51:49 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* tag 'pull-testing-next-010323-1' of https://gitlab.com/stsquad/qemu: (24 commits)
tests/avocado: disable BootLinuxPPC64 test in CI
tests/docker: add zstdtools to the images
gitlab: move the majority of artefact handling to a template
tests/docker: use direct RUNC call to run test jobs
tests/docker: use direct RUNC call to build containers
tests/docker: add USER stanzas to non-lci images
tests/lcitool: append user setting stanza to dockerfiles
configure: expose the direct container command
tests: Ensure TAP version is printed before other messages
gitlab: Use plain docker in container-template.yml
tests/dockerfiles: unify debian-toolchain references
cirrus.yml: Improve the windows_msys2_task
tests: ensure we export job results for some cross builds
tests/docker: Use binaries for debian-tricore-cross
tests: add tuxrun baseline test to avocado
tests: skip the nios2 replay_kernel test
testing: update ubuntu2004 to ubuntu2204
tests: don't run benchmarks for the tsan build
gitlab: extend custom runners with base_job_template
gitlab-ci: Use artifacts instead of dumping logs in the Cirrus-CI jobs
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Rewrite the sections which talked about 'local temporaries'.
Remove some assumptions which no longer hold.
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The 22.04 LTS release has been out for almost a year now so its time
to update all the remaining images to the current LTS. We can also
drop some hacks we need for older clang TSAN support.
We will keep the ubuntu2004 container around for those who wish to
test builds on the currently still supported baseline.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230228190653.1602033-9-alex.bennee@linaro.org>
Python 3.6 is at end-of-life. Update the libvirt-ci module to a
version that supports overrides for targets and package mappings;
this way, QEMU can use the newer versions provided by CentOS 8 (Python
3.8) and OpenSUSE 15.3 (Python 3.9).
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Shorten a bit the description of what libvirt-ci does, the name of the
data files is not relevant at that point. However, the procedures to add
new build prerequisites are lacking some information, particularly with
respect to regenerating the output test files for lcitool's unit tests.
While at it, also update the paths in the libvirt-ci repository.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When qemu-keymap is not available on the host, and enable-xkbcommon
is specified, parallel make fails with:
% make clean
...
% make -j 32
...
FAILED: pc-bios/keymaps/is
./qemu-keymap -f pc-bios/keymaps/is -l is
/bin/sh: ./qemu-keymap: No such file or directory
... many similar messages ...
The code always runs find_program, rather than waiting to build
qemu-keymap, because it looks for CONFIG_XKBCOMMON in config_host
rather than config_host_data. Making serially succeeds, by soft
linking files from pc-bios/keymaps, but that is not the desired
result for enable-xkbcommon.
Examining all occurrences of 'in config_host' for similar bugs shows one
instance in the docs, which is also fixed here.
Fixes: 4113f4cfee ("meson: move xkbcommon to meson")
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1675708442-74966-1-git-send-email-steven.sistare@oracle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Documentation of enumeration value conditions lacks a 'may'. Fix
that.
Clarify SchemaInfo documentation for struct and union types.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230213132009.918801-3-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Commit 013b4efc9b "qapi: Add feature flags to remaining
definitions" (v5.0.0), commit 84ab008687 "qapi: Add feature flags to
struct members" (v5.0.0), and commit b6c18755e4 "qapi: Add feature
flags to enum members" (v6.2.0) neglected to update section
"Features". Make up for that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230213132009.918801-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Now the fuzzers will reboot the guest between inputs.
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Merge tag 'pr-2023-02-16' of https://gitlab.com/a1xndr/qemu into staging
Replace fork-based fuzzing with reboots.
Now the fuzzers will reboot the guest between inputs.
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# gpg: Signature made Fri 17 Feb 2023 04:04:10 GMT
# gpg: using RSA key FAD4E2BF871375D6340517C44E661DDE583A964E
# gpg: Good signature from "Alexander Bulekov <alxndr@bu.edu>" [unknown]
# 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: FAD4 E2BF 8713 75D6 3405 17C4 4E66 1DDE 583A 964E
* tag 'pr-2023-02-16' of https://gitlab.com/a1xndr/qemu:
docs/fuzz: remove mentions of fork-based fuzzing
fuzz: remove fork-fuzzing scaffolding
fuzz/i440fx: remove fork-based fuzzer
fuzz/virtio-blk: remove fork-based fuzzer
fuzz/virtio-net: remove fork-based fuzzer
fuzz/virtio-scsi: remove fork-based fuzzer
fuzz/generic-fuzz: add a limit on DMA bytes written
fuzz/generic-fuzz: use reboots instead of forks to reset state
fuzz: add fuzz_reset API
hw/sparse-mem: clear memory on reset
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Now that VFIO migration protocol v2 has been implemented and v1 protocol
has been removed, update the documentation according to v2 protocol.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Link: https://lore.kernel.org/r/20230216143630.25610-12-avihaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
We split the function into to:
- state_pending_estimate: We estimate the remaining state size without
stopping the machine.
- state pending_exact: We calculate the exact amount of remaining
state.
The only "device" that implements different functions for _estimate()
and _exact() is ram.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This affects both system and user mode emulation so we should probably
list it up front.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230124180127.1881110-21-alex.bennee@linaro.org>
Add ability to dump /tmp/perf-<pid>.map and jit-<pid>.dump.
The first one allows the perf tool to map samples to each individual
translation block. The second one adds the ability to resolve symbol
names, line numbers and inspect JITed code.
Example of use:
perf record qemu-x86_64 -perfmap ./a.out
perf report
or
perf record -k 1 qemu-x86_64 -jitdump ./a.out
DEBUGINFOD_URLS= perf inject -j -i perf.data -o perf.data.jitted
perf report -i perf.data.jitted
Co-developed-by: Vanderson M. do Rosario <vandersonmr2@gmail.com>
Co-developed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230112152013.125680-4-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rules for headers were proposed a long time ago, and generally liked:
Message-ID: <87h9g8j57d.fsf@blackfin.pond.sub.org>
https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg03345.html
Wortk them into docs/devel/style.rst.
Suggested-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221222120813.727830-5-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Convert tcg/README to rst and move it to docs/devel as a new "TCG Intermediate
Representation" page. There are a few minor changes to improve the aesthetic
of the final output which are as follows:
- Rename the title from "Tiny Code Generator - Fabrice Bellard" to "TCG
Intermediate Representation"
- Remove the section numbering
- Add the missing parameters to the ssadd_vec operations in the "Host
vector operations" section
- Change the path to the Atomic Operations document to use a proper
reference
- Replace tcg/README in tcg.rst with a proper reference to the new document
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <20221130100434.64207-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Debug specific actions can be enabled in bios bits acpi tests by passing
BITS_DEBUG in the environment variable while running the test. Document that.
CC: qemu-trivial@nongnu.org
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <20221203132346.34479-1-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
This new annotation starts just a function wrapper that creates
a new coroutine. It assumes the caller is not a coroutine.
It will be the default annotation to be used in the future.
This is much better as c_w_mixed, because it is clear if the caller
is a coroutine or not, and provides the advantage of automating
the code creation. In the future all c_w_mixed functions will be
substituted by co_wrapper.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20221128142337.657646-11-eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
In preparation to the incoming new function specifiers,
rename g_c_w with a more meaningful name and document it.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20221128142337.657646-10-eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
In QAPI, absent optional members are distinct from any present value.
We thus represent an optional schema member FOO as two C members: a
FOO with the member's type, and a bool has_FOO. Likewise for function
arguments.
However, has_FOO is actually redundant for a pointer-valued FOO, which
can be null only when has_FOO is false, i.e. has_FOO == !!FOO. Except
for arrays, where we a null FOO can also be a present empty array.
The redundant has_FOO are a nuisance to work with. Improve the
generator to elide them. Uses of has_FOO need to be replaced as
follows.
Tests of has_FOO become the equivalent comparison of FOO with null.
For brevity, this is commonly done by implicit conversion to bool.
Assignments to has_FOO get dropped.
Likewise for arguments to has_FOO parameters.
Beware: code may violate the invariant has_FOO == !!FOO before the
transformation, and get away with it. The above transformation can
then break things. Two cases:
* Absent: if code ignores FOO entirely when !has_FOO (except for
freeing it if necessary), even non-null / uninitialized FOO works.
Such code is known to exist.
* Present: if code ignores FOO entirely when has_FOO, even null FOO
works. Such code should not exist.
In both cases, replacing tests of has_FOO by FOO reverts their sense.
We have to fix the value of FOO then.
To facilitate review of the necessary updates to handwritten code, add
means to opt out of this change, and opt out for all QAPI schema
modules where the change requires updates to handwritten code. The
next few commits will remove these opt-outs in reviewable chunks, then
drop the means to opt out.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221104160712.3005652-5-armbru@redhat.com>
The next commit will change the code generated for some optional
members. The example schema contains an optional member affected by
the change. Add one that is not affected.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221104160712.3005652-4-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221104160712.3005652-3-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221104160712.3005652-2-armbru@redhat.com>
It is important that contributors take the review process seriously
and we collaborate in a respectful way while avoiding personal
attacks. Try and make this clear in the language.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221117172532.538149-8-alex.bennee@linaro.org>
The bullet points are quite long and contain process tips. Move those
bits of the bullet to the relevant sections and link to them. Use a
table for nicer formatting of the checklist.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221117172532.538149-7-alex.bennee@linaro.org>
We welcome all sorts of patches.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221117172532.538149-6-alex.bennee@linaro.org>
We don't currently have a clear place in the documentation to describe
the roles and responsibilities of a maintainer. Lets create one so we
can. I've moved a few small bits out of other files to try and keep
everything in one place.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221117172532.538149-5-alex.bennee@linaro.org>
Most of the changes are trivial. The bits test timeout has now been increased
to 200 seconds in order to accommodate slower systems and fewer unnecessary
failures. Removed of the reference to non-existent README file in docs. Some
minor corrections in the doc file.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <20221117053644.516649-1-ani@anisinha.ca>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Those typos are in files which are used to generate the QEMU manual.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20221110190825.879620-1-sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
[thuth: update sentence in can.rst as suggested by Peter]
Signed-off-by: Thomas Huth <thuth@redhat.com>
lots of acpi rework
first version of biosbits infrastructure
ASID support in vhost-vdpa
core_count2 support in smbios
PCIe DOE emulation
virtio vq reset
HMAT support
part of infrastructure for viommu support in vhost-vdpa
VTD PASID support
fixes, tests all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
pci,pc,virtio: features, tests, fixes, cleanups
lots of acpi rework
first version of biosbits infrastructure
ASID support in vhost-vdpa
core_count2 support in smbios
PCIe DOE emulation
virtio vq reset
HMAT support
part of infrastructure for viommu support in vhost-vdpa
VTD PASID support
fixes, tests all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 07 Nov 2022 14:27:53 EST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (83 commits)
checkpatch: better pattern for inline comments
hw/virtio: introduce virtio_device_should_start
tests/acpi: update tables for new core count test
bios-tables-test: add test for number of cores > 255
tests/acpi: allow changes for core_count2 test
bios-tables-test: teach test to use smbios 3.0 tables
hw/smbios: add core_count2 to smbios table type 4
vhost-user: Support vhost_dev_start
vhost: Change the sequence of device start
intel-iommu: PASID support
intel-iommu: convert VTD_PE_GET_FPD_ERR() to be a function
intel-iommu: drop VTDBus
intel-iommu: don't warn guest errors when getting rid2pasid entry
vfio: move implement of vfio_get_xlat_addr() to memory.c
tests: virt: Update expected *.acpihmatvirt tables
tests: acpi: aarch64/virt: add a test for hmat nodes with no initiators
hw/arm/virt: Enable HMAT on arm virt machine
tests: Add HMAT AArch64/virt empty table files
tests: acpi: q35: update expected blobs *.hmat-noinitiators expected HMAT:
tests: acpi: q35: add test for hmat nodes without initiators
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Most of them were found and fixed using codespell.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221030105944.311940-1-sw@weilnetz.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
A doc file is added under docs/devel that describes the purpose of the various
test files and gives guidance to developers on where and how to make changes.
Cc: Daniel P. Berrange" <berrange@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Maydell Peter <peter.maydell@linaro.org>
Cc: John Snow <jsnow@redhat.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Alex Bennée <alex.bennee@linaro.org>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Michael Tsirkin <mst@redhat.com>
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <20221021095108.104843-7-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
No functional change intended.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20221025084952.2139888-11-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The code for handling the reset level count in the Resettable code
has two issues:
The reset count is only decremented for the 1->0 case. This means
that if there's ever a nested reset that takes the count to 2 then it
will never again be decremented. Eventually the count will exceed
the '50' limit in resettable_phase_enter() and QEMU will trip over
the assertion failure. The repro case in issue 1266 is an example of
this that happens now the SCSI subsystem uses three-phase reset.
Secondly, the count is decremented only after the exit phase handler
is called. Moving the reset count decrement from "just after" to
"just before" calling the exit phase handler allows
resettable_is_in_reset() to return false during the handler
execution.
This simplifies reset handling in resettable devices. Typically, a
function that updates the device state will just need to read the
current reset state and not anymore treat the "in a reset-exit
transition" as a special case.
Note that the semantics change to the *_is_in_reset() functions
will have no effect on the current codebase, because only two
devices (hw/char/cadence_uart.c and hw/misc/zynq_sclr.c) currently
call those functions, and in neither case do they do it from the
device's exit phase methed.
Fixes: 4a5fc890 ("scsi: Use device_cold_reset() and bus_cold_reset()")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1266
Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Michael Peter <michael.peter@hensoldt-cyber.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221020142749.3357951-1-peter.maydell@linaro.org
Buglink: https://bugs.launchpad.net/qemu/+bug/1905297
Reported-by: Michael Peter <michael.peter@hensoldt-cyber.com>
[PMM: adjust the docs paragraph changed to get the name of the
'enter' phase right and to clarify exactly when the count is
adjusted; rewrite the commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Although the test plugins are fairly basic they are still useful for
some things so we should document their existence.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220929114231.583801-41-alex.bennee@linaro.org>
The API documentation is quite dry and doesn't flow nicely with the
rest of the document. Move it to its own section at the bottom along
with a little leader text to remind people to update it.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-39-alex.bennee@linaro.org>
We currently have the final binaries in the root of the build dir so
the build prefix is superfluous. Additionally add a shell prompt to be
more in line with the rest of the code.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-38-alex.bennee@linaro.org>
Sometimes the whole execlog is just two much so add the ability to
filter by instruction opcode or address.
[AJB: this shows for example
qemu-system-aarch64 -display none -serial mon:stdio \
-M virt -cpu max \
-semihosting-config enable=on \
-kernel ./tests/tcg/aarch64-softmmu/memory-sve \
-plugin ./contrib/plugins/libexeclog.so,ifilter=st1w,afilter=0x40001808 -d plugin -D plugin.out
the st1w SVE instruction is not instrumenting its stores.]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>
Cc: Robert Henry <robhenry@microsoft.com>
Cc: Aaron Lindsay <aaron@os.amperecomputing.com>
Message-Id: <20220929114231.583801-36-alex.bennee@linaro.org>
This helps us construct strings elsewhere before echoing to the
monitor. It avoids having to jump through hoops like:
monitor_printf(mon, "%s", s->str);
It will be useful in following patches but for now convert all
existing plain "%s" printfs to use the _puts api.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929114231.583801-33-alex.bennee@linaro.org>
Update the best practices of how to write portable test cases that
can be built and run successfully on both Linux and Windows hosts.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220927110632.1973965-55-bmeng.cn@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This work is based on:
https://patchew.org/QEMU/20220317125534.38706-1-philippe.mathieu.daude@gmail.com/
Simplify the initialization dance by running qemu_init() in the main
thread before the Cocoa event loop starts. The secondary thread only
runs only qemu_main_loop() and qemu_cleanup().
This fixes a case where addRemovableDevicesMenuItems() calls
qmp_query_block() while expecting the main thread to still hold
the BQL.
Overriding the code after calling qemu_init() is done by dynamically
replacing a function pointer variable, qemu_main when initializing
ui/cocoa, which unifies the static implementation of main() for
builds with ui/cocoa and ones without ui/cocoa.
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20220819132756.74641-2-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
We no longer use these in any of our images. Clean-up the remaining
comments and documentation that reference them and remove from the
build.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-31-alex.bennee@linaro.org>
Instead of using feature_not_found(), which is not a good match because
there is no "remedy" to fix the lack of makecontext(), just print a
custom error.
This happens to remove the last use of feature_not_found(), so remove
the definition and the documentation.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220707163720.1421716-5-berrange@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since 30b5707c26 (qom: Remove module_obj_name parameter from
OBJECT_DECLARE* macros) we don't need the additional two parameters.
Fix the documentation.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220725140520.515340-13-alex.bennee@linaro.org>
Let's use more inclusive language here and avoid terms
that are frowned upon nowadays.
Message-Id: <20220711095300.60462-1-thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This patch adds replay description page, converting prior
text from docs/replay.txt.
The text was also updated and some sections were moved
to devel part of the docs.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <165364839601.688121.5131456980322853233.stgit@pasha-ThinkPad-X280>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch converts prior .txt replay devel documentation to .rst.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <165364839013.688121.11935249420738873044.stgit@pasha-ThinkPad-X280>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There where some broken links so fix those up with proper references
to the devel docs. I also did a little light copy-editing to reflect
the current state and broke up a paragraph to reduce the "wall of
text" effect.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220527153603.887929-34-alex.bennee@linaro.org>
