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Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20250901132626.28639-4-philmd@linaro.org>
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The new QAPI code generator creates a cross-reference target for each
definition documentation. Enabled for the QEMU QMP Reference manual
in commit a377f39f38f, and for the QEMU Storage Daemon QMP Reference
Manual and the QEMU Guest Agent Protocol Reference in commit
a6af5443440. We've put these targets to use since, but neglected to
update doc comment markup documentation. Do that now.
Co-developed-by: John Snow <jsnow@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250731054044.4011789-4-armbru@redhat.com>
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Fixes: 3248c1aaf2db (docs: update the documentation upfront about schema configuration)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250731054044.4011789-3-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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Missed in commit 9c66762a601 (docs/qapi-code-gen: add
cross-references).
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250731054044.4011789-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
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Add a section about b4, an actively maintained and widely packaged CLI
tool for contributing to patch-based development projects.
Reviewed-by: Gustavo Romero <gustavo.romero@linaro.org>
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-ID: <20250717-docs_add_b4_section-v2-1-69212ed39299@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250729091642.3513895-2-armbru@redhat.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
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Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250717104105.2656786-1-alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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vfio queue:
* Fixed vfio-user issues reported by Coverity
* Tweaked VFIO migration with multifd to support aarch64
* Introduced a property to override a device PCI class code
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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 15 Jul 2025 11:22:08 EDT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [full]
# gpg: aka "Cédric Le Goater <clg@kaod.org>" [full]
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1
* tag 'pull-vfio-20250715' of https://github.com/legoater/qemu:
vfio/migration: Max in-flight VFIO device state buffers size limit
vfio/migration: Add x-migration-load-config-after-iter VFIO property
vfio/pci: Introduce x-pci-class-code option
hw/vfio-user: fix use of uninitialized variable
hw/vfio-user: wait for proxy close correctly
hw/vfio: fix region fd initialization
hw/vfio-user: add Cédric Le Goater as a maintainer
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Allow capping the maximum total size of in-flight VFIO device state buffers
queued at the destination, otherwise a malicious QEMU source could
theoretically cause the target QEMU to allocate unlimited amounts of memory
for buffers-in-flight.
Since this is not expected to be a realistic threat in most of VFIO live
migration use cases and the right value depends on the particular setup
disable this limit by default by setting it to UINT64_MAX.
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Link: https://lore.kernel.org/qemu-devel/4f7cad490988288f58e36b162d7a888ed7e7fd17.1752589295.git.maciej.szmigiero@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
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This property allows configuring whether to start the config load only
after all iterables were loaded, during non-iterables loading phase.
Such interlocking is required for ARM64 due to this platform VFIO
dependency on interrupt controller being loaded first.
The property defaults to AUTO, which means ON for ARM, OFF for other
platforms.
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Link: https://lore.kernel.org/qemu-devel/0e03c60dbc91f9a9ba2516929574df605b7dfcb4.1752589295.git.maciej.szmigiero@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
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staging
QAPI patches patches for 2025-07-14
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# gpg: Signature made Tue 15 Jul 2025 02:28:26 EDT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* tag 'pull-qapi-2025-07-14-v2' of https://repo.or.cz/qemu/armbru: (29 commits)
qapi: add cross-references to misc modules
qapi: add cross-references to yank.json
qapi: add cross-references to virtio.json
qapi: add cross-references to ui.json
qapi: add cross-references to sockets.json
qapi: add cross-references to run-state.json
qapi: add cross-references to replay.json
qapi: add cross-references to QOM
qapi: add cross-references to pci.json
qapi: add cross-references to net.json
qapi: add cross-references to migration.json
qapi: add cross-references to Machine core
qapi: add cross-references to job.json
qapi: add cross-references to dump.json
qapi: add cross-references to crypto.json
qapi: add cross-references to block layer
qapi: add cross-references to authz.json
qapi: add cross-references to acpi.json
qapi: rephrase return docs to avoid type name
qapi: remove trivial "Returns:" sections
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This form is used to annotate a return type without an accompanying
description, for when there is no "Returns:" information in the source
doc, but we have a return type we want to generate a cross-reference to.
The syntax is:
:return-nodesc: TypeName
It's primarily necessary because Sphinx always expects both a type and a
description for the prior form and will format it accordingly. To have a
reasonable rendering when the body is missing, we need to use a
different info field list entirely.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250711051045.51110-2-jsnow@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
[Long line wrapped]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Remove the QAPI doc section heading syntax, use plain rST section
headings instead.
Tests and documentation are updated to match.
Interestingly, Plain rST headings work fine before this patch, except
for over- and underlining with '=', which the doc parser rejected as
invalid QAPI doc section heading in free-form comments.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250618165353.1980365-5-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Add more detail to commit message]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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https://gitlab.com/stsquad/qemu into staging
maintainer updates (gitlab, plugins, gdbstub, docs)
- update check-units script to take -n <top> argument
- fix execlog plugin to handle tab separators
- add gdb XML file for alpha
- add gdb XML file for sparc64
- use :kbd: in docs to highlight key sequences
- clean up rst formatting in virtio-net-failover docs
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# gpg: Signature made Mon 14 Jul 2025 06:45:18 EDT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [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: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* tag 'pull-10.1-rc0-maintainer-140725-1' of https://gitlab.com/stsquad/qemu:
gdbstub: add the GDB register XML files for sparc64.
docs/system: clean-up formatting of virtio-net-failover
docs: use :kbd: role in sphinx docs
plugins: fix inclusion of user-mode APIs
target/alpha: Add GDB XML feature file
contrib/plugins/execlog: Add tab to the separator search of insn_disas
gitlab: add -n option to check-units script
gitlab: use argparse in check-units script
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Sphinx supports the :kbd: role for notating keyboard input. They get
formatted as <kbd> HTML elements in the readthedocs theme we currently
use for Sphinx.
Besides the better visual formatting, it also helps with accessibility
as screen readers can announce the semantics of the <kbd> element to the
user.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-ID: <20250709-docs_rst_improvements-v2-1-cb5096ad0022@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-ID: <20250710104531.3099313-7-alex.bennee@linaro.org>
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* rust: miscellaneous fixes
* rust: qemu-api-macros: cleanup and add unit tests for TryInto
* rust: log: implement io::Write, avoid memory allocations
when logging constant strings
* target/i386: fix usage of properties whenever accelerators
change the default (e.g. vendor)
* target/i386: add support for TDVMCALL_SETUP_EVENT_NOTIFY_INTERRUPT
* target/i386: add support for booting an SEV VM from an IGVM file
* target/i386: unify cache model descriptions between CPUID 2,
CPUID 4 and AMD specific CPUID 0x80000006
* target/i386: introduce cache models for recent Intel CPU models
* target/i386: mark some 0x80000000-0x80000008 bits as reserved on Intel
* target/i386: cleanups
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# gpg: Signature made Mon 14 Jul 2025 04:29:31 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (77 commits)
i386/cpu: Honor maximum value for CPUID.8000001DH.EAX[25:14]
i386/cpu: Fix overflow of cache topology fields in CPUID.04H
i386/cpu: Fix cpu number overflow in CPUID.01H.EBX[23:16]
i386/cpu: Fix number of addressable IDs field for CPUID.01H.EBX[23:16]
i386/cpu: Reorder CPUID leaves in cpu_x86_cpuid()
tests/vm: bump FreeBSD image to 14.3
tests/functional: test_x86_cpu_model_versions: remove dead tests
i386/cpu: Mark CPUID 0x80000008 ECX bits[0:7] & [12:15] as reserved for Intel/Zhaoxin
i386/cpu: Mark CPUID 0x80000007[EBX] as reserved for Intel
i386/cpu: Mark EBX/ECX/EDX in CPUID 0x80000000 leaf as reserved for Intel
i386/cpu: Enable 0x1f leaf for YongFeng by default
i386/cpu: Enable 0x1f leaf for SapphireRapids by default
i386/cpu: Enable 0x1f leaf for GraniteRapids by default
i386/cpu: Enable 0x1f leaf for SierraForest by default
i386/cpu: Enable 0x1f leaf for SierraForest by default
i386/cpu: Add a "x-force-cpuid-0x1f" property
i386/cpu: Introduce cache model for YongFeng
i386/cpu: Introduce cache model for SapphireRapids
i386/cpu: Introduce cache model for GraniteRapids
i386/cpu: Introduce cache model for SierraForest
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Our MacroError type wraps syn::Error as a variant, and uses another
variant for custom errors. Fortunately syn::Error can be used directly,
avoiding extra code on our side, so change the proc macro crate to use
it.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Link: https://lore.kernel.org/r/20250703-rust_macros-v1-1-b99f82febbbf@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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checkpatch now checks that new files have an SPDX line. If you use the
shell rune in tracing.rst to create a trace.h wrapper header, this
triggers checkpatch to complain.
Although these files are tiny, it's worth having the SPDX line to
avoid having to add extra exception cases to checkpatch.
Update the rune to include creating an SPDX line.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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save_complete_precopy_thread
Recent patch [1] renames the save_live_complete_precopy handler to
save_complete, as the machine is not live in most cases when this
handler is executed. The same is true also for
save_live_complete_precopy_thread, therefore this patch removes the
"live" keyword from the handler itself and related types to keep the
naming unified.
In contrast to save_complete, this handler is only executed at the end
of precopy, therefore the "precopy" keyword is retained.
[1]: https://lore.kernel.org/all/20250613140801.474264-7-peterx@redhat.com/
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Juraj Marcin <jmarcin@redhat.com>
Link: https://lore.kernel.org/r/20250626085235.294690-1-jmarcin@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
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Now after merging the precopy and postcopy version of complete() hook,
rename the precopy version from save_live_complete_precopy() to
save_complete().
Dropping the "live" when at it, because it's in most cases not live when
happening (in precopy).
No functional change intended.
Reviewed-by: Juraj Marcin <jmarcin@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20250613140801.474264-7-peterx@redhat.com
[peterx: squash the fixup that covers a few more doc spots, per Juraj]
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
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Move it out of vanilla postcopy session, but instead a standalone feature.
When at it, removing the NOTE because it's incorrect now after introduction
of max-postcopy-bandwidth, which can control the throughput even for
postcopy phase.
Reviewed-by: Juraj Marcin <jmarcin@redhat.com>
Link: https://lore.kernel.org/r/20250613140801.474264-4-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
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Update documentation to say that cpr-transfer supports vfio and iommufd.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/qemu-devel/1751493538-202042-22-git-send-email-steven.sistare@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
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There has been an explosion of interest in so called AI code
generators. Thus far though, this is has not been matched by a broadly
accepted legal interpretation of the licensing implications for code
generator outputs. While the vendors may claim there is no problem and
a free choice of license is possible, they have an inherent conflict
of interest in promoting this interpretation. More broadly there is,
as yet, no broad consensus on the licensing implications of code
generators trained on inputs under a wide variety of licenses
The DCO requires contributors to assert they have the right to
contribute under the designated project license. Given the lack of
consensus on the licensing of AI code generator output, it is not
considered credible to assert compliance with the DCO clause (b) or (c)
where a patch includes such generated code.
This patch thus defines a policy that the QEMU project will currently
not accept contributions where use of AI code generators is either
known, or suspected.
These are early days of AI-assisted software development. The legal
questions will be resolved eventually. The tools will mature, and we
can expect some to become safely usable in free software projects.
The policy we set now must be for today, and be open to revision. It's
best to start strict and safe, then relax.
Meanwhile requests for exceptions can also be considered on a case by
case basis.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Files contributed to QEMU are generally expected to be provided in the
preferred format for manipulation. IOW, we generally don't expect to
have generated / compiled code included in the tree, rather, we expect
to run the code generator / compiler as part of the build process.
There are some obvious exceptions to this seen in our existing tree, the
biggest one being the inclusion of many binary firmware ROMs. A more
niche example is the inclusion of a generated eBPF program. Or the CI
dockerfiles which are mostly auto-generated. In these cases, however,
the preferred format source code is still required to be included,
alongside the generated output.
Tools which perform user defined algorithmic transformations on code are
not considered to be "code generators". ie, we permit use of coccinelle,
spell checkers, and sed/awk/etc to manipulate code. Such use of automated
manipulation should still be declared in the commit message.
One off generators which create a boilerplate file which the author then
fills in, are acceptable if their output has clear copyright and license
status. This could be where a contributor writes a throwaway python
script to automate creation of some mundane piece of code for example.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Currently we have a short paragraph saying that patches must include
a Signed-off-by line, and merely link to the kernel documentation.
The linked kernel docs have a lot of content beyond the part about
sign-off an thus are misleading/distracting to QEMU contributors.
This introduces a dedicated 'code-provenance' page in QEMU talking
about why we require sign-off, explaining the other tags we commonly
use, and what to do in some edge cases.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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A log_mask_ln!() macro is provided which expects similar arguments as the
C version. However, the formatting works as one would expect from Rust.
To maximize code reuse the macro is just a thin wrapper around
qemu_log(). Also, just the bare minimum of logging masks is provided
which should suffice for the current use case of Rust in QEMU.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Link: https://lore.kernel.org/r/20250615112037.11992-2-shentey@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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error is new; offset_of is gone.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Provide an implementation of std::error::Error that bridges the Rust
anyhow::Error and std::panic::Location types with QEMU's Error*.
It also has several utility methods, analogous to error_propagate(),
that convert a Result into a return value + Error** pair. One important
difference is that these propagation methods *panic* if *errp is NULL,
unlike error_propagate() which eats subsequent errors[1]. The reason
for this is that in C you have an error_set*() call at the site where
the error is created, and calls to error_propagate() are relatively rare.
In Rust instead, even though these functions do "propagate" a
qemu_api::Error into a C Error**, there is no error_setg() anywhere that
could check for non-NULL errp and call abort(). error_propagate()'s
behavior of ignoring subsequent errors is generally considered weird,
and there would be a bigger risk of triggering it from Rust code.
[1] This is actually a violation of the preconditions of error_propagate(),
so it should not happen. But you never know...
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Meson has support for invoking clippy and rustdoc on all crates (1.7.0 for
clippy, 1.8.0 for rustdoc). Use it instead of the homegrown version; this
requires disabling the multiple_crate_versions lint (the only one that was
enabled from the "cargo" group)---which was not particularly useful anyway
because all dependencies are converted by hand into Meson subprojects.
rustfmt is still not supported.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Doctests are weird. They are essentially integration tests, but they're
"ran" by executing rustdoc --test, which takes a compiler-ish
command line. This is supported by Meson 1.8.0.
Because they run the linker and need all the .o files, run them in the
build jobs rather than the test jobs.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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libqemuutil is not meant be linked as a whole; if modules are enabled, doing
so results in undefined symbols (corresponding to QMP commands) in
rust/qemu-api/rust-qemu-api-integration.
Support for "objects" in Rust executables is available in Meson 1.8.0; use it
to switching to the same dependencies that C targets use: link_with for
libqemuutil, and objects for everything else.
Reported-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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* meson: small old patches (one from 2022)
* rust: pl011: forward port some changes from C version
* target/i386: small improvements to TCG emulation
* target/i386: HVF emulation cleanups
* target/i386: add its_no feature
* cs4231a: fix assertion failure
* update Linux headers
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# gpg: Signature made Mon 12 May 2025 15:03:57 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
target/i386: Make ITS_NO available to guests
hw/audio/cs4231a: fix assertion error in isa_bus_get_irq
linux-headers: update from 6.15 + kvm/next
target/i386: remove lflags
target/i386/emulate: mostly rewrite flags handling
target/i386/emulate: stop overloading decode->op[N].ptr
target/i386: implement TSS trap bit
target/i386: move push of error code to switch_tss_ra
target/i386: list TCG-supported features for CPUID[80000021h].EAX
target/i386: ignore misplaced REX prefixes
rust: pl011: Really use RX FIFO depth
rust: pl011: Rename RX FIFO methods
modinfo: lookup compile_commands.json by object
meson: remove unnecessary dependencies from specific_ss
meson: do not check supported TCG architecture if no emulators built
meson: drop --enable-avx* options
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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While we model a 16-elements RX FIFO since the PL011 model was
introduced in commit cdbdb648b7c ("ARM Versatile Platform Baseboard
emulation"), we only read 1 char at a time!
Have can_receive() return how many elements are available, and use that
in receive().
This is the Rust version of commit 3e0f118f825 ("hw/char/pl011: Really
use RX FIFO depth"); but it also adds back a comment that is present
in commit f576e0733cc ("hw/char/pl011: Add support for loopback") and
absent in the Rust code.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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trivial patches for 2025-05-09
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# gpg: aka "Michael Tokarev <mjt@corpit.ru>" [unknown]
# gpg: aka "Michael Tokarev <mjt@tls.msk.ru>" [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: 9D8B E14E 3F2A 9DD7 9199 28F1 61AD 3D98 ECDF 2C8E
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* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu: (21 commits)
docs/devel/testing/functional: Fix typo
docs: replace `-hda` with `-drive` & update `root=` kernel parameter
qapi/machine-target.json: fix "in in" typo in comment
hw/display/apple-gfx.m: fix "in in" typo in comment
qapi/qom.json: fix "the the" typo in comment
include/hw/xen/interface/io/blkif.h: fix "the the" typo in comment
include/exec/cpu-common.h: fix "the the" typo in comment
hw/xen/xen-hvm-common.c: fix "the the" typo in comment
block.c: fix "the the" typo in comment
linux-user/mmap.c: fix "of of" typo in comment
hw/acpi/pcihp: Fix typo in function name
hw/pci-host/gpex-acpi: Fix typo in comment
hw/net/e1000: Remove stray empty comment in header
qom/object: Fix typo in comment
hw/core/machine: Fix indentation
hw/i386/acpi-build: Fix typo in function name
hw/acpi/ich9: Remove ICH9_DEBUG macro
hw/i386/acpi-build: Update document reference
hw/i386/acpi-build: Fix typo and grammar in comment
hw/isa/ich9: Remove stray empty comment
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Fix the duplication of the word 'run'.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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* ci: enable RISC-V cross jobs
* rust: bump minimum supported version to 1.77
* rust: enable uninlined_format_args lint
* initial Emscripten support
* small fixes
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# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (30 commits)
gitlab: Enable CI for wasm build
tests: Add Dockerfile containing dependencies for Emscripten build
meson: Add wasm build in build scripts
util: Add coroutine backend for emscripten
util: exclude mmap-alloc.c from compilation target on Emscripten
Disable options unsupported on Emscripten
include/qemu/osdep.h: Add Emscripten-specific OS dependencies
block: Fix type conflict of the copy_file_range stub
block: Add including of ioctl header for Emscripten build
util/cacheflush.c: Update cache flushing mechanism for Emscripten
include/glib-compat.h: Poison g_list_sort and g_slist_sort
target/s390x: Fix type conflict of GLib function pointers
target/ppc: Fix type conflict of GLib function pointers
target/i386/cpu.c: Fix type conflict of GLib function pointers
target/arm/helper.c: Fix type conflict of GLib function pointers
docs: build-system: fix typo
ci: run RISC-V cross jobs by default
rust: clippy: enable uninlined_format_args lint
target/i386/emulate: fix target_ulong format strings
docs: rust: update for newer minimum supported version
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Remove leftover notes for Rust changes between 1.63.0 and 1.77.0.
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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"let ... else" was stabilized in 1.65.0; bumping the minimum supported
Rust version means we don't need to patch it out anymore.
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This is allowed since Rust 1.64.0.
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Sphinx requires that labels within documents are unique across the
whole manual. This is because the "create a hyperlink" directive
specifies only the name of the label, not a filename+label. Some
Sphinx versions will warn about duplicate labels, but even if there
is no warning there is still an ambiguity and no guarantee that the
hyperlink will be created to the right target.
For QEMU this is awkward, because we have various .rst.inc fragments
which we include into multiple .rst files. If you define a label in
the .rst.inc file then it will be a duplicate label. We have mostly
worked around this by not putting labels into those .rst.inc files,
or by adding "insert a label" functionality into the hxtool extension
(see commit 1eeb432a953b0 "doc/sphinx/hxtool.py: add optional label
argument to SRST directive").
Unfortunately in commit 7f6314427e78 ("docs/devel: add a codebase
section") we accidentally added a duplicate label, because not all
Sphinx versions warn about the mistake.
In this case the link was only from the developer docs codebase
summary, so as the simplest fix for the stable branch, we drop
the link entirely.
Cc: qemu-stable@nongnu.org
Fixes: 1eeb432a953b0 "doc/sphinx/hxtool.py: add optional label argument to SRST directive"
Reported-by: Dario Faggioli <dfaggioli@suse.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250501093126.716667-1-peter.maydell@linaro.org
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* rust: support migration of HPET device
* target/i386/hvf: fix compilation errors
* target/i386/tcg: fix some interrupt shadow cases
* hw/char/serial: remove unused prog_if compat property
* rust: centralize config in workspace root
* monitor: fix race on exiting QEMU
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# gpg: Signature made Fri 02 May 2025 18:12:09 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
monitor: don't wake up qmp_dispatcher_co coroutine upon cleanup
rust: centralize config in workspace root
hw/char/serial: Remove unused prog_if compat property
target/i386: do not block singlestep for STI
target/i386: do not trigger IRQ shadow for LSS
target/i386/hvf: fix a compilation error
target/i386/emulate: remove rflags leftovers
rust/hpet: Support migration
rust/timer: Define NANOSECONDS_PER_SECOND binding as u64
rust/vmstate_test: Test varray with num field wrapped in BqlCell
rust: assertions: Support index field wrapped in BqlCell
vmstate: support varray for vmstate_clock!
rust/vmstate: Add support for field_exists checks
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Based on commit 1433e38cc8 ("hpet: do not overwrite properties on
post_load"), add the basic migration support to Rust HPET.
The current migration implementation introduces multiple unsafe
callbacks. Before the vmstate builder, one possible cleanup approach is
to wrap callbacks in the vmstate binding using a method similar to the
vmstate_exist_fn macro.
However, this approach would also create a lot of repetitive code (since
vmstate has so many callbacks: pre_load, post_load, pre_save, post_save,
needed and dev_unplug_pending). Although it would be cleaner, it would
somewhat deviate from the path of the vmstate builder.
Therefore, firstly focus on completing the functionality of HPET, and
those current unsafe callbacks can at least clearly indicate the needed
functionality of vmstate. The next step is to consider refactoring
vmstate to move towards the vmstate builder direction.
Additionally, update rust.rst about Rust HPET can support migration.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250414144943.1112885-9-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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staging
* Extend s390x diagnose call 308 subcode 10 to return more information
* Make valgrind support configurable
* Drop support for Python 3.8
* Some other misc cosmetic changes
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# gpg: Signature made Wed 30 Apr 2025 14:48:36 EDT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2025-04-30' of https://gitlab.com/thuth/qemu:
docs/devel/build-environment: enhance MSYS2 instructions
hw/rtc/mc146818rtc: Drop pre-v3 migration stream support
meson.build: Put the D-Bus summary into the UI section
tests/functional/test_ppc64_pseries: Skip test_ppc64_linux_smt_boot if necessary
Drop support for Python 3.8
meson/configure: add 'valgrind' option & --{en, dis}able-valgrind flag
target/s390x: Return UVC cmd code, RC and RRC value when DIAG 308 Subcode 10 fails to enter secure mode
target/s390x: Introduce function when exiting PV
target/s390x: Introduce constant when checking if PV header couldn't be decrypted
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Add missing prerequisite packages, and use more explicit makepkg
command.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250430181047.2043492-1-pierrick.bouvier@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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The i386 backend can now check TCGOP_FLAGS to select
the correct set of constraints.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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