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KVM support for 32-bit arm has been dropped a while ago, so we don't
need these headers in QEMU anymore.
Fixes: 82bf7ae84ce ("target/arm: Remove KVM support for 32-bit Arm hosts")
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250710120035.169376-1-thuth@redhat.com>
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Commit 40da501d8989 ("i386/tdx: handle TDG.VP.VMCALL<GetQuote>") added
redundant qemu_mutex_init(&tdx->lock) in tdx_guest_init by mistake.
Fix it by removing the redundant one.
Fixes: 40da501d8989 ("i386/tdx: handle TDG.VP.VMCALL<GetQuote>")
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Link: https://lore.kernel.org/r/20250717103707.688929-1-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The implementation of host_cpu_max_instance_init() was merged into
host_cpu_instance_init() by commit 29f1ba338baf ("target/i386: merge
host_cpu_instance_init() and host_cpu_max_instance_init()"), while the
declaration of it remains in host-cpu.h.
Clean it up.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250716063117.602050-1-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Take tdx_guest->lock when injecting the event notification interrupt into
the guest.
Fixes CID 1612364.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Cc: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit 84fe49d94a ("meson: Add optional dependency on IGVM library")
was inconsistent with the contents of meson_options.txt and the one
generated in scripts/meson-buildoptions.sh
Let's regenerate the file in this way to keep them consistent and prevent
future changes from including the spurious diff:
touch meson_options.txt
make update-buildoptions
Fixes: 84fe49d94a ("meson: Add optional dependency on IGVM library")
Cc: roy.hopkins@randomman.co.uk
Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20250717131256.157383-1-sgarzare@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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In x86_cpu_post_initfn(), the initialization of x86_ext_save_areas[]
marks the unsupported xsave areas based on Host support.
This step must be done before accel_cpu_instance_init(), otherwise,
KVM's assertion on host xsave support would fail:
qemu-system-x86_64: ../target/i386/kvm/kvm-cpu.c:149:
kvm_cpu_xsave_init: Assertion `esa->size == eax' failed.
(on AMD EPYC 7302 16-Core Processor)
Move x86_ext_save_areas[] initialization to .instance_init and place it
before accel_cpu_instance_init().
Fixes: commit 5f158abef44c ("target/i386: move accel_cpu_instance_init to .instance_init")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Tested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250717023933.2502109-1-zhao1.liu@intel.com
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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KVM emulates the ARCH_CAPABILITIES on x86 for both Intel and AMD
cpus, although the IA32_ARCH_CAPABILITIES MSR is an Intel-specific
MSR and it makes no sense to emulate it on AMD.
As a consequence, VMs created on AMD with qemu -cpu host and using
KVM will advertise the ARCH_CAPABILITIES feature and provide the
IA32_ARCH_CAPABILITIES MSR. This can cause issues (like Windows BSOD)
as the guest OS might not expect this MSR to exist on such cpus (the
AMD documentation specifies that ARCH_CAPABILITIES feature and MSR
are not defined on the AMD architecture).
A fix was proposed in KVM code, however KVM maintainers don't want to
change this behavior that exists for 6+ years and suggest changes to be
done in QEMU instead. Therefore, hide the bit from "-cpu host":
migration of -cpu host guests is only possible between identical host
kernel and QEMU versions, therefore this is not a problematic breakage.
If a future AMD machine does include the MSR, that would re-expose the
Windows guest bug; but it would not be KVM/QEMU's problem at that
point, as we'd be following a genuine physical CPU impl.
Reported-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The way editable installs work has changed at some point since Fedora 40
was released. Generally, we should be opting to use pyproject.toml
installs (PEP517/518) - but those are not fully supported until v61 of
setuptools, and CentOS Stream 9 ships v53.
Until that time, we can make use of a transitional feature in
pip/setuptools to use "legacy" editable installs, which is enough to fix
"make check-dev" on modern local workstations for now.
By using the environment variable approach to configure pip, we avoid
any problems for older versions of pip that don't recognize this option,
so it's harmless. The config-settings option first appeared in v23 of
pip. editable_mode was first supported by setuptools in v64.
(I'm not currently precisely aware of when the default behavior of '-e'
switched away from 'compat', but it appears to be a joint effect between
setuptools and pip versions.)
Version information for supported build platforms:
distro python3 pip setuptools sphinx
--------------------------------------------------------
centos_stream_9 3.9.23 21.3.1 53.0.0 3.4.3
ubuntu_22_04 3.10.12 22.0.2 59.6.0 4.3.2
** pyproject.toml installs supported as of here **
freebsd 3.11.13 23.3.2 63.1.0 5.3.0
debian_12 3.11.2 23.0.1 66.1.1 5.3.0
ubuntu_24_04 3.12.3 24.0 68.1.2 7.2.6
centos_stream_10 3.12.11 23.3.2 69.0.3 7.2.6
fedora_41 3.13.5 24.2 69.2.0 7.3.7
alpine_3_19 3.11.13 23.3.1 70.3.0 6.2.1
alpine_3_20 3.12.11 24.0 70.3.0 7.2.6
alpine_3_21 3.12.11 24.3.1 70.3.0 8.1.3
ubuntu_24_10 3.12.7 24.2 74.1.2 7.4.7
fedora_42 3.13.5 24.3.1 74.1.3 8.1.3
ubuntu_25_04 3.13.3 25.0 75.8.0 8.1.3
macports 3.13.5 25.1.1 78.1.1 8.2.3
openbsd 3.12.11 25.1.1 79.0.1 8.2.3
alpine_3_22 3.12.11 25.1.1 80.9.0 8.2.3
homebrew 3.13.5 --- 80.9.0 8.2.3
pkgsrc_current 3.12.11 25.1.1 80.9.0 8.2.3
Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250715222548.198888-1-jsnow@redhat.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Add docs/requirements.txt to
"Sphinx documentation configuration and build machinery".
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250715212848.171879-3-jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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sphinx 5.3.0 fails with Python 3.13.1:
../docs/meson.build:37: WARNING: /home/me/qemu/build/pyvenv/bin/sphinx-build:
Extension error:
Could not import extension sphinx.builders.epub3 (exception: No module named 'imghdr')
../docs/meson.build:39:6: ERROR: Problem encountered: Install a Python 3 version of python-sphinx and the readthedoc theme
Bump sphinx to 6.2.1 and also sphinx_rtd_theme as required for the new
sphinx version.
(jsnow note: this patch bumps the recommended version for Sphinx to
install when it is missing, but allows old versions to be used if they
are present and functional. The version used for building docs on
readthedocs is pinned to the recommended version, 6.2.1.)
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250715212848.171879-2-jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Add a unit test for qom-list-get.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <1752248703-217318-4-git-send-email-steven.sistare@oracle.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Use qom-list-get to speed up the qom-tree command.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <1752248703-217318-3-git-send-email-steven.sistare@oracle.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
[Lint picked off to mollify make check-minreqs]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Using qom-list and qom-get to get all the nodes and property values in
a QOM tree can take multiple seconds because it requires 1000's of
individual QOM requests. Some managers fetch the entire tree or a
large subset of it when starting a new VM, and this cost is a
substantial fraction of start up time.
Define the qom-list-get command, which fetches all the properties and
values for a list of paths. This can be much faster than qom-list
plus qom-get. When getting an entire QOM tree, I measured a 10x
speedup in elapsed time.
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <1752248703-217318-2-git-send-email-steven.sistare@oracle.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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v9fs_path_sprintf() is annotated with G_GNUC_PRINTF(2, 3) in
hw/9pfs/9p.c, but the prototype in hw/9pfs/9p.h is missing the
attribute, so callers that include only the header do not get format
checking.
Move the annotation to the header and delete the duplicate in the
source file. No behavior change.
Signed-off-by: Sean Wei <me@sean.taipei>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250613.qemu.9p.02@sean.taipei>
[CS: fix code style (max. 80 chars per line)]
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
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v9fs_string_sprintf() is annotated with G_GNUC_PRINTF(2, 3) in
9p-marshal.c, but the prototype in fsdev/9p-marshal.h is missing the
attribute, so callers that include only the header do not get format
checking.
Move the annotation to the header and delete the duplicate in the
source file. No behavior change.
Signed-off-by: Sean Wei <me@sean.taipei>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250613.qemu.9p.01@sean.taipei>
[CS: fix code style (max. 80 chars per line)]
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
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Generally APIs to the rest of QEMU should be documented in the headers.
Comments on individual functions or internal details are fine to live
in the C files. Make qemu_add_vm_change_state_handler_prio[_full]()
docstrings consistent by moving them from source to header.
Suggested-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20250715171920.89670-1-philmd@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-4-philmd@linaro.org>
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Co-developed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250715104015.72663-8-philmd@linaro.org>
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cvtnum() expects input string to specify some sort of size
(optionally with KMG... suffix). However, there are a lot
of other number conversions in there (using qemu_strtol &Co),
also, not all conversions which use cvtnum, actually expects
size, - like dd count=nn.
Add bool is_size argument to cvtnum() to specify if it should
treat the argument as a size or something else, - this changes
conversion routine in use and error text.
Use the new cvtnum() in more places (like where strtol were used),
since it never return negative number in successful conversion.
When it makes sense, also specify upper or lower bounds at the
same time. This simplifies option processing in multiple places,
removing the need of local temporary variables and longer error
reporting code.
While at it, fix errors, like depth in measure must be >= 1,
while the previous code allowed it to be 0.
In a few places, change unsigned variables (like of type size_t)
to be signed instead, - to avoid the need of temporary conversion
variable. All these variables are okay to be signed, we never
assign <0 value to them except of the cases of conversion error,
where we return immediately.
While at it, remove allowed size suffixes from the error message
as it makes no sense most of the time (should be in help instead).
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250531171609.197078-28-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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now once all individual subcommands has --help support, remove
the large unreadable help() thing and replace it with small
global --help, which refers to individual command --help for
more info.
While at it, also line-wrap list of formats after 75 chars.
Since missing_argument() and unrecognized_option() are now unused,
remove them.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250531171609.197078-27-mjt@tls.msk.ru>
[kwolf: Fixed up style and formatting]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Also add -s short option for --size (and remove OPTION_SIZE).
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-26-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-25-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-24-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Add missing --object option.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-23-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-22-mjt@tls.msk.ru>
[kwolf: Fixed up qemu-iotests]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-21-mjt@tls.msk.ru>
[kwolf: Fixed up qemu-iotests]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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'qemu-img resize --help' does not work, since it wants more
arguments. Also -size is only recognized as a very last
argument, but it is common for tools to handle other options
after positional arguments too.
Tell getopt_long() to return non-options together with options,
and process filename and size in the loop, and check if there's
an argument right after filename which looks like -N (number),
and treat it as size (decrement). This way we can handle --help,
and we can also have options after filename and size, and `--'
will be handled fine too.
The only case which is not handled right is when there's an option
between filename and size, and size is given as decrement, - in
this case -size will be treated as option, not as size.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-20-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Use -B for --backing-format, keep -F for
backwards compatibility.
Options added:
--format, --cache - for the image in question
--backing, --backing-format, --backing-cache, --backing-unsafe -
for the new backing file
(was eg CACHE vs SRC_CACHE, which is unclear).
Probably should rename local variables.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-19-mjt@tls.msk.ru>
[kwolf: Removed command description from the argument list]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-18-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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When no -l/-a/-c/-d specified, assume -l (list).
Use the same values for SNAPSHOT_LIST/etc constants as the
option chars (lacd), this makes it possible to simplify
option handling a lot, combining cases for 4 options into
one.
Also remove bdrv_oflags handling (only list can use RO mode).
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250531171609.197078-17-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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For consistency with other commands, and since it already
accepts --image-opts, allow specifying -f fmt too.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250531171609.197078-16-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
While at it, remove unused option_index variable.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250715140903.131529-1-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output.
Also add -b short option for --backing-chain, and remove
now-unused OPTION_BACKING_CHAIN.
Reorder options for consistency.
While at it, remove unused option_index variable.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-14-mjt@tls.msk.ru>
[kwolf: Fixed up help text formatting]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output.
Reorder options for consistency.
Use -b for --backing, and recognize -B for backwards
compatibility. Unfortunately we can't use -B to
specify backing format.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250715140702.131321-1-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add long options, add help, reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-12-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Use the same function to parse --object as used by all
other qemu-img subcommands.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-11-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-10-mjt@tls.msk.ru>
[kwolf: Fixed up qemu-iotests]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250531171609.197078-9-mjt@tls.msk.ru>
[kwolf: Added missing comma in help text]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add missing long options and --help output,
reorder options for consistency.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-8-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Use common code and simplify error message
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250531171609.197078-7-mjt@tls.msk.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Create helper function cmd_help() to display command-specific
help text, and use it to print --help for 'create' subcommand.
Add missing long options (eg --format) in img_create().
Recognize -B option for --backing-format, keep -F for
backward compatibility,
Reorder options for consistency.
Remove usage of missing_argument()/unrecognized_option() in
img_create().
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20250531171609.197078-6-mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This info will be used to generate --help output.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250531171609.197078-5-mjt@tls.msk.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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In order to correctly print executable name in various
error messages, pass argv[0] to error_exit() function.
This way, error messages will refer to actual executable
name, which may be different from 'qemu-img'.
For subcommands, pass original command name from the
qemu-img argv[0], plus the subcommand name, as its own
argv[0] element, so error messages can be more useful.
Also don't require at least 3 options on the command
line: it makes no sense with options before subcommand.
Introduce tryhelp() function which just prints
try 'command-name --help' for more info
and exits. When tryhelp() is called from within a subcommand
handler, the message will look like:
try 'command-name subcommand --help' for more information
qemu-img uses getopt_long() with ':' as the first char in
optstring parameter, which means it doesn't print error
messages but return ':' or '?' instead, and qemu-img uses
unrecognized_option() or missing_argument() function to
print error messages. But it doesn't quite work:
$ ./qemu-img -xx
qemu-img: unrecognized option './qemu-img'
so the aim is to let getopt_long() to print regular error
messages instead (removing ':' prefix from optstring) and
remove handling of '?' and ':' "options" entirely. With
concatenated argv[0] and the subcommand, it all finally
does the right thing in all cases. This will be done in
subsequent changes command by command, with main() done
last.
unrecognized_option() and missing_argument() functions
prototypes aren't changed by this patch, since they're
called from many places and will be removed a few patches
later. Only artifical "qemu-img" argv0 is provided in
there for now.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250531171609.197078-4-mjt@tls.msk.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Initializing an unsigned as -1, or using temporary
sval for conversion is awkward. Since we don't allow
other "negative" values anyway, use signed value and
pass it to bdrv_img_create() (where it is properly
converted to unsigned), simplifying code.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250531171609.197078-3-mjt@tls.msk.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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qemu_opt_set_number() expects signed int64_t.
Use int64_t instead of uint64_t for img_size, use -1 as "unset"
value instead of UINT64_MAX, and do not require temporary sval
for conversion from string.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20250531171609.197078-2-mjt@tls.msk.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250605100938.43133-1-f.ebner@proxmox.com>
[kwolf: Fixed up pylint warnings flagged by 297]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Factor tcg_get_stats() out of tcg_dump_stats(),
passing the current accelerator argument to match
the AccelClass::get_stats() prototype.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250715140048.84942-7-philmd@linaro.org>
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Declare tcg_dump_stats() in "tcg/tcg.h" so it can be used out of
accel/tcg/, like by {bsd,linux}-user.
Next commit will register the TCG AccelClass::get_stats handler,
which expects a AccelState, so propagate it to dump_accel_info().
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250715140048.84942-6-philmd@linaro.org>
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'info accel' dispatches to the AccelOpsClass::get_stats()
and get_vcpu_stats() handlers.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20250715140048.84942-5-philmd@linaro.org>
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Unstable QMP 'x-accel-stats' dispatches to the
AccelOpsClass::get_stats() and get_vcpu_stats() handlers.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250715140048.84942-4-philmd@linaro.org>
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