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2022-01-27qapi: generate trace events by defaultVladimir Sementsov-Ogievskiy
We don't generate trace events for tests/ and qga/ because that it is not simple and not necessary. We have corresponding comments in both tests/meson.build and qga/meson.build. Still to not miss possible future qapi code generation call, and not to forget to enable trace events generation, let's enable it by default. So, turn option --gen-trace into opposite --no-trace-events and use new option only in tests/ and qga/ where we already have good comments why we don't generate trace events code. Note that this commit enables trace-events generation for qapi-gen.py call from tests/qapi-schema/meson.build and storage-daemon/meson.build. Still, both are kind of noop: tests/qapi-schema/ doesn't seem to generate any QMP command code and no .trace-events files anyway, storage-daemon/ uses common QMP command implementations and just generate empty .trace-events Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20220126161130.3240892-8-vsementsov@virtuozzo.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-01-27meson: generate trace events for qmp commandsVladimir Sementsov-Ogievskiy
1. Use --gen-trace when generate qmp commands 2. Add corresponding .trace-events files as outputs in qapi_files custom target 3. Define global qapi_trace_events list of .trace-events file targets, to fill in trace/qapi.build and to use in trace/meson.build 4. In trace/meson.build use the new array as an additional source of .trace_events files to be processed Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20220126161130.3240892-5-vsementsov@virtuozzo.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-11-02monitor: introduce HumanReadableText and HMP supportDaniel P. Berrangé
This provides a foundation on which to convert simple HMP commands to use QMP. The QMP implementation will generate formatted text targeted for human consumption, returning it in the HumanReadableText data type. The HMP command handler will simply print out the formatted string within the HumanReadableText data type. Since this will be an entirely formulaic action in the case of HMP commands taking no arguments, a custom command handler is provided. Thus instead of registering a 'cmd' callback for the HMP command, a 'cmd_info_hrt' callback is provided, which will simply be a pointer to the QMP implementation. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-07-23qapi: introduce forwarding visitorPaolo Bonzini
This new adaptor visitor takes a single field of the adaptee, and exposes it with a different name. This will be used for QOM alias properties. Alias targets can of course have a different name than the alias property itself (e.g. a machine's pflash0 might be an alias of a property named 'drive'). When the target's getter or setter invokes the visitor, it will use a different name than what the caller expects, and the visitor will not be able to find it (or will consume erroneously). The solution is for alias getters and setters to wrap the incoming visitor, and forward the sole field that the target is expecting while renaming it appropriately. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-04-08Revert "hmp: Use QAPI NetdevInfo in hmp_info_network"Jason Wang
Several issues has been reported for query-netdev info series. Consider it's late in the rc, this reverts commit a0724776c5a98a08fc946bb5a4ad16410ca64c0e. Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-03-19qemu-options: New -compat to set policy for deprecated interfacesMarkus Armbruster
New option -compat lets you configure what to do when deprecated interfaces get used. This is intended for testing users of the management interfaces. It is experimental. -compat deprecated-input=<input-policy> configures what to do when deprecated input is received. Input policy can be "accept" (accept silently), or "reject" (reject the request with an error). -compat deprecated-output=<out-policy> configures what to do when deprecated output is sent. Output policy can be "accept" (pass on unchanged), or "hide" (filter out the deprecated parts). Default is "accept". Policies other than "accept" are implemented later in this series. For now, -compat covers only syntactic aspects of QMP, i.e. stuff tagged with feature 'deprecated'. We may want to extend it to cover semantic aspects, CLI, and experimental features. Note that there is no good way for management application to detect presence of -compat: it's not visible output of query-qmp-schema or query-command-line-options. Tolerable, because it's meant for testing. If running with -compat fails, skip the test. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20210318155519.1224118-3-armbru@redhat.com>
2021-03-15hmp: Use QAPI NetdevInfo in hmp_info_networkAlexey Kirillov
Replace usage of legacy field info_str of NetClientState for backend network devices with QAPI NetdevInfo stored_config that already used in QMP query-netdev. This change increases the detail of the "info network" output and takes a more general approach to composing the output. NIC and hubports still use legacy info_str field. Signed-off-by: Alexey Kirillov <lekiravi@yandex-team.ru> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-03-05qapi: Remove QMP events and commands from user-mode buildsPhilippe Mathieu-Daudé
We removed the QMP loop in user-mode builds in commit 1935e0e4e09 ("qapi/meson: Remove QMP from user-mode emulation"), now commands and events code is unreachable. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210224171642.3242293-1-philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-02-08qapi/meson: Restrict UI module to system emulation and toolsPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210122204441.2145197-13-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-02-08qapi/meson: Restrict system-mode specific modulesPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210122204441.2145197-12-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-02-08qapi/meson: Remove QMP from user-mode emulationPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210122204441.2145197-11-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-02-08qapi/meson: Restrict qdev code to system-mode emulationPhilippe Mathieu-Daudé
Beside a CPU device, user-mode emulation doesn't access anything else from qdev subsystem. Tools don't need anything from qdev. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20210122204441.2145197-10-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-13Introduce yank featureLukas Straub
The yank feature allows to recover from hanging qemu by "yanking" at various parts. Other qemu systems can register themselves and multiple yank functions. Then all yank functions for selected instances can be called by the 'yank' out-of-band qmp command. Available instances can be queried by a 'query-yank' oob command. Signed-off-by: Lukas Straub <lukasstraub2@web.de> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <69934ceacfd33a7dfe53db145ecc630ad39ee47c.1609167865.git.lukasstraub2@web.de> Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-10-06qapi: introduce replay.json for record/replay-related stuffPavel Dovgalyuk
This patch adds replay.json file. It will be used for adding record/replay-related data structures and commands. Signed-off-by: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <160174519444.12451.3472949430004845434.stgit@pasha-ThinkPad-X280> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-02qapi: Create block-export moduleKevin Wolf
Move all block export related types and commands from block-core to the new QAPI module block-export. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200924152717.287415-3-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-09-29docs/interop: Convert qemu-qmp-ref to rSTPeter Maydell
Convert qemu-qmp-ref to rST format. This includes dropping the plain-text, pdf and info format outputs for this document; as with all our other Sphinx-based documentation, we provide HTML and manpage only. The qemu-qmp-ref.rst is somewhat more stripped down than the .texi was, because we do not (currently) attempt to generate indexes for the commands, events and data types being documented. Again, we drop the direct link from index.html.in now that the QMP ref is part of the interop manual. This commit removes the code from the root meson.build file that handled the various Texinfo-based outputs, because we no longer generate any documentation except for the Sphinx HTML manuals and the manpages, and the code can't handle having an empty list of files to process.. We'll do further cleanup of the remainders of Texinfo support in subsequent commits. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20200925162316.21205-10-peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Unicode legacy literal dumbed down to plain string literal, TODO comment on displaying QEMU version added, "make html" fixed, storage-daemon/qapi/meson.build updated] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-09-29qapi: Extract PCI commands to 'pci.json'Philippe Mathieu-Daudé
Only qemu-system-FOO and qemu-storage-daemon provide QMP monitors, therefore such declarations and definitions are irrelevant for user-mode emulation. Extracting the PCI commands to their own schema reduces the size of the qapi-misc* headers generated, and pulls less QAPI-generated code into user-mode. Suggested-by: Markus Armbruster <armbru@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200913195348.1064154-9-philmd@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-09-29qapi: Extract ACPI commands to 'acpi.json'Philippe Mathieu-Daudé
Only qemu-system-FOO and qemu-storage-daemon provide QMP monitors, therefore such declarations and definitions are irrelevant for user-mode emulation. Extracting the ACPI commands to their own schema reduces the size of the qapi-misc* headers generated, and pulls less QAPI-generated code into user-mode. Suggested-by: Markus Armbruster <armbru@redhat.com> Acked-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200913195348.1064154-8-philmd@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-08-21meson: convert qapi-specific to mesonMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21libqemuutil, qapi, trace: convert to mesonPaolo Bonzini
This shows how to do some "computations" in meson.build using its array and dictionary data structures, and also a basic usage of the sourceset module for conditional compilation. Notice the new "if have_system" part of util/meson.build, which fixes a bug in the old build system was buggy: util/dbus.c was built even for non-softmmu builds, but the dependency on -lgio was lost when the linking was done through libqemuutil.a. Because all of its users required gio otherwise, the bug was hidden. Meson instead propagates libqemuutil's dependencies down to its users, and shows the problem. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>