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2022-03-22Replace GCC_FMT_ATTR with G_GNUC_PRINTFMarc-André Lureau
One less qemu-specific macro. It also helps to make some headers/units only depend on glib, and thus moved in standalone projects eventually. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
2022-03-21Use g_new() & friends where that makes obvious senseMarkus Armbruster
g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer, for two reasons. One, it catches multiplication overflowing size_t. Two, it returns T * rather than void *, which lets the compiler catch more type errors. This commit only touches allocations with size arguments of the form sizeof(T). Patch created mechanically with: $ spatch --in-place --sp-file scripts/coccinelle/use-g_new-etc.cocci \ --macro-file scripts/cocci-macro-file.h FILES... Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20220315144156.1595462-4-armbru@redhat.com> Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
2022-03-04block: rename bdrv_invalidate_cache_all, blk_invalidate_cache and ↵Emanuele Giuseppe Esposito
test_sync_op_invalidate_cache Following the bdrv_activate renaming, change also the name of the respective callers. bdrv_invalidate_cache_all -> bdrv_activate_all blk_invalidate_cache -> blk_activate test_sync_op_invalidate_cache -> test_sync_op_activate No functional change intended. Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Hanna Reitz <hreitz@redhat.com> Message-Id: <20220209105452.1694545-5-eesposit@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-03-02qapi/monitor: allow VNC display id in set/expire_passwordStefan Reiter
It is possible to specify more than one VNC server on the command line, either with an explicit ID or the auto-generated ones à la "default", "vnc2", "vnc3", ... It is not possible to change the password on one of these extra VNC displays though. Fix this by adding a "display" parameter to the "set_password" and "expire_password" QMP and HMP commands. For HMP, the display is specified using the "-d" value flag. For QMP, the schema is updated to explicitly express the supported variants of the commands with protocol-discriminated unions. Signed-off-by: Stefan Reiter <s.reiter@proxmox.com> [FE: update "Since: " from 6.2 to 7.0 make @connected a common member of @SetPasswordOptions] Signed-off-by: Fabian Ebner <f.ebner@proxmox.com> Message-Id: <20220225084949.35746-4-f.ebner@proxmox.com> Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-03-02qapi/monitor: refactor set/expire_password with enumsStefan Reiter
'protocol' and 'connected' are better suited as enums than as strings, make use of that. No functional change intended. Suggested-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Reiter <s.reiter@proxmox.com> [FE: update "Since: " from 6.2 to 7.0 put 'keep' first in enum to ease use as a default] Signed-off-by: Fabian Ebner <f.ebner@proxmox.com> Message-Id: <20220225084949.35746-3-f.ebner@proxmox.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-03-02monitor/hmp: add support for flag argument with valueStefan Reiter
Adds support for the "-xs" parameter type, where "-x" denotes a flag name and the "s" suffix indicates that this flag is supposed to take an arbitrary string parameter. These parameters are always optional, the entry in the qdict will be omitted if the flag is not given. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Reiter <s.reiter@proxmox.com> [FE: fixed typo pointed out by Eric Blake use s instead of V to indicate string parameter] Signed-off-by: Fabian Ebner <f.ebner@proxmox.com> Message-Id: <20220225084949.35746-2-f.ebner@proxmox.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-02-21exec/exec-all: Move 'qemu/log.h' include in units requiring itPhilippe Mathieu-Daudé
Many files use "qemu/log.h" declarations but neglect to include it (they inherit it via "exec/exec-all.h"). "exec/exec-all.h" is a core component and shouldn't be used that way. Move the "qemu/log.h" inclusion locally to each unit requiring it. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Thomas Huth <thuth@redhat.com> Message-Id: <20220207082756.82600-10-f4bug@amsat.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-01-28migration: Tally pre-copy, downtime and post-copy bytes independentlyDavid Edmondson
Provide information on the number of bytes copied in the pre-copy, downtime and post-copy phases of migration. Signed-off-by: David Edmondson <david.edmondson@oracle.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2022-01-18monitor: move x-query-profile into accel/tcg to fix buildAlex Bennée
As --enable-profiler isn't defended in CI we missed this breakage. Move the qmp handler into accel/tcg so we have access to the helpers we need. While we are at it ensure we gate the feature on CONFIG_TCG. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Suggested-by: Daniel P. Berrangé <berrange@redhat.com> Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Fixes: 37087fde0e ("qapi: introduce x-query-profile QMP command") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/773 Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20220105135009.1584676-23-alex.bennee@linaro.org>
2021-12-21ui/dbus: add p2p=on/off optionMarc-André Lureau
Add an option to use direct connections instead of via the bus. Clients are accepted with QMP add_client. This allows to provide the D-Bus display without a bus. It also simplifies the testing setup (some CI have issues to setup a D-Bus bus in a container). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-12-10numa: Enable numa for SGX EPC sectionsYang Zhong
The basic SGX did not enable numa for SGX EPC sections, which result in all EPC sections located in numa node 0. This patch enable SGX numa function in the guest and the EPC section can work with RAM as one numa node. The Guest kernel related log: [ 0.009981] ACPI: SRAT: Node 0 PXM 0 [mem 0x180000000-0x183ffffff] [ 0.009982] ACPI: SRAT: Node 1 PXM 1 [mem 0x184000000-0x185bfffff] The SRAT table can normally show SGX EPC sections menory info in different numa nodes. The SGX EPC numa related command: ...... -m 4G,maxmem=20G \ -smp sockets=2,cores=2 \ -cpu host,+sgx-provisionkey \ -object memory-backend-ram,size=2G,host-nodes=0,policy=bind,id=node0 \ -object memory-backend-epc,id=mem0,size=64M,prealloc=on,host-nodes=0,policy=bind \ -numa node,nodeid=0,cpus=0-1,memdev=node0 \ -object memory-backend-ram,size=2G,host-nodes=1,policy=bind,id=node1 \ -object memory-backend-epc,id=mem1,size=28M,prealloc=on,host-nodes=1,policy=bind \ -numa node,nodeid=1,cpus=2-3,memdev=node1 \ -M sgx-epc.0.memdev=mem0,sgx-epc.0.node=0,sgx-epc.1.memdev=mem1,sgx-epc.1.node=1 \ ...... Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <20211101162009.62161-2-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-03Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingRichard Henderson
* Build system fixes and cleanups * DMA support in the multiboot option ROM * Rename default-bus-bypass-iommu * Deprecate -watchdog and cleanup -watchdog-action * HVF fix for <PAGE_SIZE regions * Support TSC scaling for AMD nested virtualization * Fix for ESP fuzzing bug # gpg: Signature made Tue 02 Nov 2021 10:57:37 AM 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] * remotes/bonzini/tags/for-upstream: (27 commits) configure: fix --audio-drv-list help message configure: Remove the check for the __thread keyword Move the l2tpv3 test from configure to meson.build meson: remove unnecessary coreaudio test program meson: remove pointless warnings meson.build: Allow to disable OSS again meson: bump submodule to 0.59.3 qtest/am53c974-test: add test for cancelling in-flight requests esp: ensure in-flight SCSI requests are always cancelled KVM: SVM: add migration support for nested TSC scaling hw/i386: fix vmmouse registration watchdog: remove select_watchdog_action vl: deprecate -watchdog watchdog: add information from -watchdog help to -device help hw/i386: Rename default_bus_bypass_iommu hvf: Avoid mapping regions < PAGE_SIZE as ram configure: do not duplicate CPU_CFLAGS into QEMU_LDFLAGS configure: remove useless NPTL probe target/i386: use DMA-enabled multiboot ROM for new-enough QEMU machine types optionrom: add a DMA-enabled multiboot ROM ... Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-03Merge remote-tracking branch ↵Richard Henderson
'remotes/vivier/tags/trivial-branch-for-6.2-pull-request' into staging Trivial patches branch pull request 20211101 v2 # gpg: Signature made Tue 02 Nov 2021 07:21:44 PM EDT # gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C # gpg: issuer "laurent@vivier.eu" # gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full] # gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full] # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full] * remotes/vivier/tags/trivial-branch-for-6.2-pull-request: hw/input/lasips2: Fix typos in function names MAINTAINERS: Split HPPA TCG vs HPPA machines/hardware hw/core/machine: Add the missing delimiter in cpu_slot_to_string() monitor: Trim some trailing space from human-readable output Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-02qapi: introduce x-query-irq QMP commandDaniel P. Berrangé
This is a counterpart to the HMP "info irq" command. It is being added with an "x-" prefix because this QMP command is intended as an adhoc debugging tool and will thus not be modelled in QAPI as fully structured data, nor will it have long term guaranteed stability. The existing HMP command is rewritten to call the QMP command. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02qapi: introduce x-query-ramblock QMP commandDaniel P. Berrangé
This is a counterpart to the HMP "info ramblock" command. It is being added with an "x-" prefix because this QMP command is intended as an adhoc debugging tool and will thus not be modelled in QAPI as fully structured data, nor will it have long term guaranteed stability. The existing HMP command is rewritten to call the QMP command. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02qapi: introduce x-query-rdma QMP commandDaniel P. Berrangé
This is a counterpart to the HMP "info rdma" command. It is being added with an "x-" prefix because this QMP command is intended as an adhoc debugging tool and will thus not be modelled in QAPI as fully structured data, nor will it have long term guaranteed stability. The existing HMP command is rewritten to call the QMP command. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02qapi: introduce x-query-profile QMP commandDaniel P. Berrangé
This is a counterpart to the HMP "info profile" command. It is being added with an "x-" prefix because this QMP command is intended as an adhoc debugging tool and will thus not be modelled in QAPI as fully structured data, nor will it have long term guaranteed stability. The existing HMP command is rewritten to call the QMP command. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02qapi: introduce x-query-roms QMP commandDaniel P. Berrangé
This is a counterpart to the HMP "info roms" command. It is being added with an "x-" prefix because this QMP command is intended as an adhoc debugging tool and will thus not be modelled in QAPI as fully structured data, nor will it have long term guaranteed stability. The existing HMP command is rewritten to call the QMP command. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@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>
2021-11-02monitor: make hmp_handle_error return a booleanDaniel P. Berrangé
This turns the pattern if (err) { hmp_handle_error(mon, err); return; } into if (hmp_handle_error(mon, err)) { return; } Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-11-02watchdog: remove select_watchdog_actionPaolo Bonzini
Instead of invoking select_watchdog_action from both HMP and command line, go directly from HMP to QMP and use QemuOpts as the intermediary for the command line. This makes -watchdog-action explicitly a shortcut for "-action watchdog", so that "-watchdog-action" and "-action watchdog" override each other based on the position on the command line; previously, "-action watchdog" always won. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-31monitor: Trim some trailing space from human-readable outputMarkus Armbruster
I noticed -cpu help printing enough trailing spaces to make the output at least 84 characters wide. Looks ugly unless the terminal is wider. Ugly or not, trailing spaces are stupid. The culprit is this line in x86_cpu_list_entry(): qemu_printf("x86 %-20s %-58s\n", name, desc); This prints a string with minimum field left-justified right before a newline. Change it to qemu_printf("x86 %-20s %s\n", name, desc); which avoids the trailing spaces and is simpler to boot. A search for the pattern with "git-grep -E '%-[0-9]+s\\n'" found a few more instances. Change them similarly. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Greg Kurz <groug@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Max Filippov <jcmvbkbc@gmail.com> Message-Id: <20211009152401.2982862-1-armbru@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-10-29qapi: Generalize command policy checkingMarkus Armbruster
The code to check command policy can see special feature flag 'deprecated' as command flag QCO_DEPRECATED. I want to make feature flag 'unstable' visible there as well, so I can add policy for it. To let me make it visible, add member @special_features (a bitset of QapiSpecialFeature) to QmpCommand, and adjust the generator to pass it through qmp_register_command(). Then replace "QCO_DEPRECATED in @flags" by QAPI_DEPRECATED in @special_features", and drop QCO_DEPRECATED. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: John Snow <jsnow@redhat.com> Message-Id: <20211028102520.747396-7-armbru@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2021-10-29qapi: Eliminate QCO_NO_OPTIONS for a slight simplificationMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-Id: <20211028102520.747396-4-armbru@redhat.com>
2021-10-02monitor: Rate-limit MEMORY_DEVICE_SIZE_CHANGE qapi events per deviceDavid Hildenbrand
We want to rate-limit MEMORY_DEVICE_SIZE_CHANGE events per device, otherwise we can lose some events for devices. We can now use the qom-path to reliably map an event to a device and make rate-limiting device-aware. This was noticed by starting a VM with two virtio-mem devices that each have a requested size > 0. The Linux guest will initialize both devices in parallel, resulting in losing MEMORY_DEVICE_SIZE_CHANGE events for one of the devices. Fixes: 722a3c783ef4 ("virtio-pci: Send qapi events when the virtio-mem size changes") Suggested-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20210929162445.64060-4-david@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-30sgx-epc: Add the fill_device_info() callback supportYang Zhong
Since there is no fill_device_info() callback support, and when we execute "info memory-devices" command in the monitor, the segfault will be found. This patch will add this callback support and "info memory-devices" will show sgx epc memory exposed to guest. The result as below: qemu) info memory-devices Memory device [sgx-epc]: "" memaddr: 0x180000000 size: 29360128 memdev: /objects/mem1 Memory device [sgx-epc]: "" memaddr: 0x181c00000 size: 10485760 memdev: /objects/mem2 Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <20210719112136.57018-33-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-27Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2021-09-25-v2' ↵Peter Maydell
into staging QAPI patches patches for 2021-09-25 # gpg: Signature made Mon 27 Sep 2021 13:44:23 BST # 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 * remotes/armbru/tags/pull-qapi-2021-09-25-v2: (25 commits) tests/qapi-schema: Make test-qapi.py -u work when files are absent tests/qapi-schema: Use Python OSError instead of outmoded IOError test-clone-visitor: Correct an accidental rename tests/qapi-schema: Rename flat-union-* test cases to union-* qapi: Drop simple unions tests/qapi-schema: Purge simple unions from tests tests/qapi-schema: Drop simple union __org.qemu_x-Union1 test-clone-visitor: Wean off __org.qemu_x-Union1 tests/qapi-schema: Rewrite simple union TestIfUnion to be flat tests/qapi-schema: Simple union UserDefListUnion is now unused, drop tests/qapi-schema: Wean off UserDefListUnion test-clone-visitor: Wean off UserDefListUnion test-qobject-output-visitor: Wean off UserDefListUnion test-qobject-input-visitor: Wean off UserDefListUnion tests/qapi-schema: Prepare for simple union UserDefListUnion removal qapi: Convert simple union TransactionAction to flat one qapi: Convert simple union ImageInfoSpecific to flat one qapi: Convert simple union SocketAddressLegacy to flat one qapi: Convert simple union ChardevBackend to flat one qapi: Convert simple union MemoryDeviceInfo to flat one ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-27hmp: Unbreak "change vnc"Markus Armbruster
HMP command "change vnc" can take the password as argument, or prompt for it: (qemu) change vnc password 123 (qemu) change vnc password Password: *** (qemu) This regressed in commit cfb5387a1d "hmp: remove "change vnc TARGET" command", v6.0.0. (qemu) change vnc passwd 123 Password: *** (qemu) change vnc passwd (qemu) The latter passes NULL to qmp_change_vnc_password(), which is a no-no. Looks like it puts the display into "password required, but none set" state. The logic error is easy to miss in review, but testing should've caught it. Fix the obvious way. Fixes: cfb5387a1de2acda23fb5c97d2378b9e7ddf8025 Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Message-Id: <20210909081219.308065-2-armbru@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-09-27qapi: Convert simple union TpmTypeOptions to flat oneMarkus Armbruster
Simple unions predate flat unions. Having both complicates the QAPI schema language and the QAPI generator. We haven't been using simple unions in new code for a long time, because they are less flexible and somewhat awkward on the wire. To prepare for their removal, convert simple union TpmTypeOptions to an equivalent flat one, with existing enum TpmType replacing implicit enum TpmTypeOptionsKind. Adds some boilerplate to the schema, which is a bit ugly, but a lot easier to maintain than the simple union feature. Cc: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Acked-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20210917143134.412106-6-armbru@redhat.com> [Indentation tidied up]
2021-08-26arch_init.h: Don't include arch_init.h unnecessarilyPeter Maydell
arch_init.h only defines the QEMU_ARCH_* enumeration and the arch_type global. Don't include it in files that don't use those. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210730105947.28215-8-peter.maydell@linaro.org
2021-08-26monitor: Use accel_find("kvm") instead of kvm_available()Peter Maydell
The kvm_available() function reports whether KVM support was compiled into the QEMU binary; it returns the value of the CONFIG_KVM define. The only place in the codebase where we use this function is in qmp_query_kvm(). Now that accelerators are based on QOM classes we can instead use accel_find("kvm") and remove the kvm_available() function. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210730105947.28215-3-peter.maydell@linaro.org
2021-08-05chardev: mark explicitly first argument as poisonedMarc-André Lureau
Since commit 9894dc0cdcc397ee5b26370bc53da6d360a363c2 "char: convert from GIOChannel to QIOChannel", the first argument to the watch callback can actually be a QIOChannel, which is not a GIOChannel (but a QEMU Object). Even though we never used that pointer, change the callback type to warn the users. Possibly a better fix later, we may want to store the callback and call it from intermediary functions. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2021-07-21iothread: add aio-max-batch parameterStefano Garzarella
The `aio-max-batch` parameter will be propagated to AIO engines and it will be used to control the maximum number of queued requests. When there are in queue a number of requests equal to `aio-max-batch`, the engine invokes the system call to forward the requests to the kernel. This parameter allows us to control the maximum batch size to reduce the latency that requests might accumulate while queued in the AIO engine queue. If `aio-max-batch` is equal to 0 (default value), the AIO engine will use its default maximum batch size value. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20210721094211.69853-3-sgarzare@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-07-12trace: iter init tweaksGerd Hoffmann
Rename trace_event_iter_init() to trace_event_iter_init_pattern(), add trace_event_iter_init_all() for interating over all events. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20210601132414.432430-3-kraxel@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-07-09monitor/tcg: move tcg hmp commands to accel/tcg, register them dynamicallyGerd Hoffmann
One more little step towards modular tcg ... Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-35-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-09monitor: allow register hmp commandsGerd Hoffmann
Allow commands having a NULL cmd pointer, add a function to set the pointer later. Use case: allow modules implement hmp commands. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jose R. Ziviani <jziviani@suse.de> Message-Id: <20210624103836.2382472-31-kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-06-15tpm: Return QMP error when TPM is disabled in buildPhilippe Mathieu-Daudé
When the management layer queries a binary built using --disable-tpm for TPM devices, it gets confused by getting empty responses: { "execute": "query-tpm" } { "return": [ ] } { "execute": "query-tpm-types" } { "return": [ ] } { "execute": "query-tpm-models" } { "return": [ ] } To make it clearer by returning an error: - Make the TPM QAPI schema conditional All of tpm.json is now 'if': 'defined(CONFIG_TPM)'. - Adapt the HMP command - Remove stubs which became unnecessary The management layer now gets a 'CommandNotFound' error: { "execute": "query-tpm" } { "error": { "class": "CommandNotFound", "desc": "The command query-tpm has not been found" } } Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2021-06-03monitor: removed cpustats commandBruno Larsen (billionai)
Since ppc was the last architecture to collect these statistics and it is currently phasing this collection out, the command that would query this information is being removed. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Bruno Larsen (billionai) <bruno.larsen@eldorado.org.br> Message-Id: <20210526202104.127910-5-bruno.larsen@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Luis Pires <luis.pires@eldorado.org.br> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-06-02docs: fix references to docs/devel/tracing.rstStefano Garzarella
Commit e50caf4a5c ("tracing: convert documentation to rST") converted docs/devel/tracing.txt to docs/devel/tracing.rst. We still have several references to the old file, so let's fix them with the following command: sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt) Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210517151702.109066-2-sgarzare@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-05-26hmp: Fix loadvm to resume the VM on success instead of failureKevin Wolf
Commit f61fe11aa6f broke hmp_loadvm() by adding an incorrect negation when converting from 0/-errno return values to a bool value. The result is that loadvm resumes the VM now if it failed and keeps it stopped if it failed. Fix it to restore the old behaviour and do it the other way around. Fixes: f61fe11aa6f7f8f0ffe4ddaa56a8108f3ab57854 Cc: qemu-stable@nongnu.org Reported-by: Yanhui Ma <yama@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20210511163151.45167-1-kwolf@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-05-14Merge remote-tracking branch ↵Peter Maydell
'remotes/dgilbert/tags/pull-migration-20210513a' into staging Migration pull 2021-05-13 Fix of the 2021-05-11 version, with a fix to build on the armhf cross. The largest change in this set is David's changes for ram block size changing; then there's a pile of other cleanups and fixes. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> # gpg: Signature made Thu 13 May 2021 18:36:06 BST # gpg: using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7 # gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full] # Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7 * remotes/dgilbert/tags/pull-migration-20210513a: tests/migration: introduce multifd into guestperf tests/qtest/migration-test: Use g_autofree to avoid leaks on error paths tests/migration-test: Fix "true" vs true migration/ram: Use offset_in_ramblock() in range checks migration/multifd: Print used_length of memory block migration/ram: Handle RAM block resizes during postcopy migration/ram: Simplify host page handling in ram_load_postcopy() migration/ram: Discard RAM when growing RAM blocks after ram_postcopy_incoming_init() exec: Relax range check in ram_block_discard_range() migration/ram: Handle RAM block resizes during precopy numa: Make all callbacks of ram block notifiers optional numa: Teach ram block notifiers about resizeable ram blocks util: vfio-helpers: Factor out and fix processing of existing ram blocks migration: Drop redundant query-migrate result @blocked migration/ram: Optimize ram_save_host_page() migration/ram: Reduce unnecessary rate limiting migrate/ram: remove "ram_bulk_stage" and "fpo_enabled" Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-13migration: Drop redundant query-migrate result @blockedMarkus Armbruster
Result @blocked is redundant. Unfortunately, we realized this too close to the release to risk dropping it, so we deprecated it instead, in commit e11ce6c06. Since it was deprecated from the start, we can delete it without the customary grace period. Do so. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20210429140424.2802929-1-armbru@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-05-12monitor/qmp: fix race on CHR_EVENT_CLOSED without OOBStefan Reiter
The QMP dispatcher coroutine holds the qmp_queue_lock over a yield point, where it expects to be rescheduled from the main context. If a CHR_EVENT_CLOSED event is received just then, it can race and block the main thread on the mutex in monitor_qmp_cleanup_queue_and_resume. monitor_resume does not need to be called from main context, so we can call it immediately after popping a request from the queue, which allows us to drop the qmp_queue_lock mutex before yielding. Suggested-by: Wolfgang Bumiller <w.bumiller@proxmox.com> Signed-off-by: Stefan Reiter <s.reiter@proxmox.com> Message-Id: <20210322154024.15011-1-s.reiter@proxmox.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-05-02Do not include cpu.h if it's not really necessaryThomas Huth
Stop including cpu.h in files that don't need it. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210416171314.2074665-4-thuth@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-02Do not include sysemu/sysemu.h if it's not really necessaryThomas Huth
Stop including sysemu/sysemu.h in files that don't need it. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210416171314.2074665-2-thuth@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-23qmp: add new qmp display-reloadZihao Chang
This patch provides a new qmp to reload display configuration without restart VM, but only reloading the vnc tls certificates is implemented. Example: {"execute": "display-reload", "arguments":{"type": "vnc", "tls-certs": true}} Signed-off-by: Zihao Chang <changzihao1@huawei.com> Message-Id: <20210316075845.1476-4-changzihao1@huawei.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-03-19qapi: Implement deprecated-output=hide for QMP introspectionMarkus Armbruster
This policy suppresses deprecated bits in output, and thus permits "testing the future". Implement it for QMP command query-qmp-schema: suppress information on deprecated commands, events and object type members, i.e. anything that has the special feature flag "deprecated". Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20210318155519.1224118-8-armbru@redhat.com>
2021-03-19monitor: Drop query-qmp-schema 'gen': false hackMarkus Armbruster
QMP commands return their response as a generated QAPI type, which the monitor core converts to JSON via QObject. query-qmp-schema's response is the generated introspection data. This is a QLitObject since commit 7d0f982bfb "qapi: generate a literal qobject for introspection", v2.12). Before, it was a string. Instead of converting QLitObject / string -> QObject -> QAPI type SchemaInfoList -> QObject -> JSON, we take a shortcut: the command is 'gen': false, so it can return the QObject instead of the QAPI type. Slightly simpler and more efficient. The next commit will filter the response for output policy, and this is easier in the SchemaInfoList representation. Drop the shortcut. This replaces the manual command registration by a generated one. The manual registration makes the command available before the machine is built by passing flag QCO_ALLOW_PRECONFIG. To keep it available there, we need need to add 'allow-preconfig': true to its definition in the schema. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20210318155519.1224118-7-armbru@redhat.com>
2021-03-19hmp: QAPIfy object_addKevin Wolf
This switches the HMP command object_add from a QemuOpts-based parser to user_creatable_add_from_str() which uses a keyval parser and enforces the QAPI schema. Apart from being a cleanup, this makes non-scalar properties and help accessible. In order for help to be printed to the monitor instead of stdout, the printf() calls in the help functions are changed to qemu_printf(). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-03-19qapi/qom: QAPIfy object-addKevin Wolf
This converts object-add from 'gen': false to the ObjectOptions QAPI type. As an immediate benefit, clients can now use QAPI schema introspection for user creatable QOM objects. It is also the first step towards making the QAPI schema the only external interface for the creation of user creatable objects. Once all other places (HMP and command lines of the system emulator and all tools) go through QAPI, too, some object implementations can be simplified because some checks (e.g. that mandatory options are set) are already performed by QAPI, and in another step, QOM boilerplate code could be generated from the schema. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>