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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>
2021-03-18migrate: remove QMP/HMP commands for speed, downtime and cache sizeDaniel P. Berrangé
The generic 'migrate_set_parameters' command handle all types of param. Only the QMP commands were documented in the deprecations page, but the rationale for deprecating applies equally to HMP, and the replacements exist. Furthermore the HMP commands are just shims to the QMP commands, so removing the latter breaks the former unless they get re-implemented. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-03-18monitor: remove 'query-events' QMP commandDaniel P. Berrangé
The code comment suggests removing QAPIEvent_(str|lookup) symbols too, however, these are both auto-generated as standard for any enum in QAPI. As such it they'll exist whether we use them or not. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-03-18monitor: raise error when 'pretty' option is used with HMPDaniel P. Berrangé
This is only semantically useful for QMP. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-03-18ui, monitor: remove deprecated VNC ACL option and HMP commandsDaniel P. Berrangé
The VNC ACL concept has been replaced by the pluggable "authz" framework which does not use monitor commands. Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-03-15monitor: Replaced qemu_mutex_lock calls with QEMU_LOCK_GUARDMahmoud Mandour
Removed various qemu_mutex_lock and their respective qemu_mutex_unlock calls and used lock guard macros (QEMU_LOCK_GUARD and WITH_QEMU_LOCK_GUARD). This simplifies the code by eliminating qemu_mutex_unlock calls. Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com> Message-Id: <20210311031538.5325-6-ma.mandourr@gmail.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-15monitor/qmp: Stop processing requests when shutdown is requestedKevin Wolf
Before this patch, monitor_qmp_dispatcher_co() used to check whether shutdown is requested only when it would have to wait for new requests. If there were still some queued requests, it would try to execute all of them before shutting down. This can be surprising when the queued QMP commands take long or hang because Ctrl-C may not actually exit QEMU as soon as possible. Change monitor_qmp_dispatcher_co() so that it additionally checks whether shutdown is request before it gets a new request from the queue. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20210212172028.288825-3-kwolf@redhat.com> Tested-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-02-15monitor: Fix assertion failure on shutdownKevin Wolf
Commit 357bda95 already tried to fix the order in monitor_cleanup() by moving shutdown of the dispatcher coroutine further to the start. However, it didn't go far enough: iothread_stop() makes sure that all pending work (bottom halves) in the AioContext of the monitor iothread is completed. iothread_destroy() depends on this and fails an assertion if there is still a pending BH. While the dispatcher coroutine is running, it will try to resume the monitor after taking a request out of the queue, which involves a BH. The dispatcher is run until it terminates in the AIO_WAIT_WHILE() loop. However, adding new BHs between iothread_stop() and iothread_destroy() is forbidden. Fix this by stopping the dispatcher first before shutting down the other parts of the monitor. This means we can now receive requests that aren't handled any more when QEMU is shutting down, but this is unlikely to be a problem for QMP clients. Fixes: 357bda9590784ff75803d52de43150d4107ed98e Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20210212172028.288825-2-kwolf@redhat.com> Tested-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-02-08migration: introduce a delete_snapshot wrapperDaniel P. Berrangé
Make snapshot deletion consistent with the snapshot save and load commands by using a wrapper around the blockdev layer. The main difference is that we get upfront validation of the passed in device list (if any). Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20210204124834.774401-10-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08migration: wire up support for snapshot device selectionDaniel P. Berrangé
Modify load_snapshot/save_snapshot to accept the device list and vmstate node name parameters previously added to the block layer. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20210204124834.774401-9-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08migration: control whether snapshots are ovewrittenDaniel P. Berrangé
The traditional HMP "savevm" command will overwrite an existing snapshot if it already exists with the requested name. This new flag allows this to be controlled allowing for safer behaviour with a future QMP command. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20210204124834.774401-8-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08block: add ability to specify list of blockdevs during snapshotDaniel P. Berrangé
When running snapshot operations, there are various rules for which blockdevs are included/excluded. While this provides reasonable default behaviour, there are scenarios that are not well handled by the default logic. Some of the conditions do not have a single correct answer. Thus there needs to be a way for the mgmt app to provide an explicit list of blockdevs to perform snapshots across. This can be achieved by passing a list of node names that should be used. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20210204124834.774401-5-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08migration: stop returning errno from load_snapshot()Daniel P. Berrangé
None of the callers care about the errno value since there is a full Error object populated. This gives consistency with save_snapshot() which already just returns a boolean value. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> [PMD: Return false/true instead of -1/0, document function] Acked-by: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210204124834.774401-4-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08block: push error reporting into bdrv_all_*_snapshot functionsDaniel P. Berrangé
The bdrv_all_*_snapshot functions return a BlockDriverState pointer for the invalid backend, which the callers then use to report an error message. In some cases multiple callers are reporting the same error message, but with slightly different text. In the future there will be more error scenarios for some of these methods, which will benefit from fine grained error message reporting. So it is helpful to push error reporting down a level. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> [PMD: Initialize variables] Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210204124834.774401-2-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08migration: Display the migration blockersDr. David Alan Gilbert
Update 'info migrate' to display migration blocking information. If the outbound migration is not blocked, there is no change, however if it is blocked a message is displayed with a list of reasons why, e.g. qemu-system-x86_64 -nographic -smp 4 -m 4G -M pc,usb=on \ -chardev null,id=n -device usb-serial,chardev=n \ -virtfs local,path=/home,mount_tag=fs,security_model=none \ -drive if=virtio,file=myimage.qcow2 (qemu) info migrate globals: store-global-state: on only-migratable: off send-configuration: on send-section-footer: on decompress-error-check: on clear-bitmap-shift: 18 Outgoing migration blocked: Migration is disabled when VirtFS export path '/home' is mounted in the guest using mount_tag 'fs' non-migratable device: 0000:00:01.2/1/usb-serial Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20210202135522.127380-3-dgilbert@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-08migration: Fix migrate-set-parameters argument validationMarkus Armbruster
Commit 741d4086c8 "migration: Use proper types in json" (v2.12.0) switched MigrationParameters to narrower integer types, and removed the simplified qmp_migrate_set_parameters()'s argument checking accordingly. Good idea, except qmp_migrate_set_parameters() takes MigrateSetParameters, not MigrationParameters. Its job is updating migrate_get_current()->parameters (which *is* of type MigrationParameters) according to its argument. The integers now get truncated silently. Reproducer: ---> {'execute': 'query-migrate-parameters'} <--- {"return": {[...] "compress-threads": 8, [...]}} ---> {"execute": "migrate-set-parameters", "arguments": {"compress-threads": 257}} <--- {"return": {}} ---> {'execute': 'query-migrate-parameters'} <--- {"return": {[...] "compress-threads": 1, [...]}} Fix by resynchronizing MigrateSetParameters with MigrationParameters. Fixes: 741d4086c856320807a2575389d7c0505578270b Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20210202141734.2488076-2-armbru@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-02-04qmp: Resume OOB-enabled monitor before processing the requestMarkus Armbruster
monitor_qmp_dispatcher_co() needs to resume the monitor if handle_qmp_command() suspended it. Two cases: 1. OOB enabled: suspended if mon->qmp_requests has no more space 2. OOB disabled: suspended always We resume only after we processed the request. Which can take a long time. Resume the monitor right when the queue has space to keep the monitor available for out-of-band commands even in this corner case. Leave the "OOB disabled" case alone. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210201161504.1976989-4-armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> [Trailing whitespace tidied up]
2021-02-04qmp: Add more tracepointsMarkus Armbruster
Add tracepoints for in-band request enqueue and dequeue, processing of queued in-band errors, and responses. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210201161504.1976989-3-armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com>
2021-02-04qmp: Fix up comments after commit 9ce44e2ce2Markus Armbruster
Commit 9ce44e2ce2 "qmp: Move dispatcher to a coroutine" replaced monitor_qmp_bh_dispatcher() by monitor_qmp_dispatcher_co(), but neglected to update comments. Do that now. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210201161504.1976989-2-armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com>
2021-02-04monitor/qmp-cmds.c: Don't include ui/vnc.hPeter Maydell
The qmp-cmds.c file currently includes ui/vnc.h, which (being located in the ui/ directory rather than include) is really supposed to be for use only by the ui subsystem. In fact the function prototypes we need (vnc_display_password(), etc) are all declared in include/ui/console.h, so we can switch to including that instead. (ui/vnc.h includes include/ui/console.h, so this change strictly reduces the quantity of headers qmp-cmds.c pulls in.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20210104161200.15068-1-peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-28qapi: More complex uses of QAPI_LIST_APPENDEric Blake
These cases require a bit more thought to review; in each case, the code was appending to a list, but not with a FOOList **tail variable. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20210113221013.390592-6-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Flawed change to qmp_guest_network_get_interfaces() dropped] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-28qapi: Use QAPI_LIST_APPEND in trivial casesEric Blake
The easiest spots to use QAPI_LIST_APPEND are where we already have an obvious pointer to the tail of a list. While at it, consistently use the variable name 'tail' for that purpose. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210113221013.390592-5-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-28qapi: A couple more QAPI_LIST_PREPEND() stragglersEric Blake
Commit 54aa3de72e switched multiple sites to use QAPI_LIST_PREPEND instead of open-coding, but missed a couple of spots. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20210113221013.390592-3-eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2021-01-23qmp: remove deprecated "change" commandPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20210120144235.345983-3-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-23hmp: remove "change vnc TARGET" commandPaolo Bonzini
The HMP command \"change vnc TARGET\" is messy: - it takes an ugly shortcut to determine if the option has an "id", with incorrect results if "id=" is not preceded by an unescaped comma. - it deletes the existing QemuOpts and does not try to rollback if the parsing fails (which is not causing problems, but only due to how VNC options are parsed) - because it uses the same parsing function as "-vnc", it forces the latter to not support "-vnc help". On top of this, it uses a deprecated QMP command, thus getting in the way of removing the QMP command. Since the usecase for the command is not clear, just remove it and send "change vnc password" directly to the QMP "change-vnc-password" command. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Message-Id: <20210120144235.345983-2-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-08Remove superfluous timer_del() callsPeter Maydell
This commit is the result of running the timer-del-timer-free.cocci script on the whole source tree. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Corey Minyard <cminyard@mvista.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20201215154107.3255-4-peter.maydell@linaro.org
2021-01-02remove TCG includes from common codePaolo Bonzini
Enable removing tcg/$tcg_arch from the include path when TCG is disabled. Move translate-all.h to include/exec, since stubs exist for the functions defined therein. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-01-01Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2020-12-19' into ↵Peter Maydell
staging QAPI patches patches for 2020-12-19 # gpg: Signature made Sat 19 Dec 2020 09:40:05 GMT # 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-2020-12-19: (33 commits) qobject: Make QString immutable block: Use GString instead of QString to build filenames keyval: Use GString to accumulate value strings json: Use GString instead of QString to accumulate strings migration: Replace migration's JSON writer by the general one qobject: Factor JSON writer out of qobject_to_json() qobject: Factor quoted_str() out of to_json() qobject: Drop qstring_get_try_str() qobject: Drop qobject_get_try_str() Revert "qobject: let object_property_get_str() use new API" block: Avoid qobject_get_try_str() qmp: Fix tracing of non-string command IDs qobject: Move internals to qobject-internal.h hw/rdma: Replace QList by GQueue Revert "qstring: add qstring_free()" qobject: Change qobject_to_json()'s value to GString qobject: Use GString instead of QString to accumulate JSON qobject: Make qobject_to_json_pretty() take a pretty argument monitor: Use GString instead of QString for output buffer hmp: Simplify how qmp_human_monitor_command() gets output ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-12-19qmp: Fix tracing of non-string command IDsMarkus Armbruster
Tracepoints monitor_qmp_cmd_in_band and monitor_qmp_cmd_out_of_band (commit cf869d5317 "qmp: support out-of-band (oob) execution") treat non-string "id" like absent "id". Fix that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-10-armbru@redhat.com>
2020-12-19qobject: Change qobject_to_json()'s value to GStringMarkus Armbruster
qobject_to_json() and qobject_to_json_pretty() build a GString, then covert it to QString. Just one of the callers actually needs a QString: qemu_rbd_parse_filename(). A few others need a string they can modify: qmp_send_response(), qga's send_response(), to_json_str(), and qmp_fd_vsend_fds(). The remainder just need a string. Change qobject_to_json() and qobject_to_json_pretty() to return the GString. qemu_rbd_parse_filename() now has to convert to QString. All others save a QString temporary. to_json_str() actually becomes a bit simpler, because GString provides more convenient modification functions. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-6-armbru@redhat.com>
2020-12-19qobject: Make qobject_to_json_pretty() take a pretty argumentMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-4-armbru@redhat.com>
2020-12-19monitor: Use GString instead of QString for output bufferMarkus Armbruster
GString has a richer set of string operations than QString. It should be preferred to QString except where we need a QObject or reference counting. We don't here. Switch to GString, and put its richer interface to use. Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-3-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-12-19hmp: Simplify how qmp_human_monitor_command() gets outputMarkus Armbruster
Commit 48c043d0d1 "hmp: human-monitor-command: stop using the Memory chardev driver" left us "if string is non-empty, duplicate it, else duplicate the empty string". Meh. Duplicate it unconditionally. Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20201211171152.146877-2-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-12-19qapi: Use QAPI_LIST_PREPEND() where possibleEric Blake
Anywhere we create a list of just one item or by prepending items (typically because order doesn't matter), we can use QAPI_LIST_PREPEND(). But places where we must keep the list in order by appending remain open-coded until later patches. Note that as a side effect, this also performs a cleanup of two minor issues in qga/commands-posix.c: the old code was performing new = g_malloc0(sizeof(*ret)); which 1) is confusing because you have to verify whether 'new' and 'ret' are variables with the same type, and 2) would conflict with C++ compilation (not an actual problem for this file, but makes copy-and-paste harder). Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20201113011340.463563-5-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> [Straightforward conflicts due to commit a8aa94b5f8 "qga: update schema for guest-get-disks 'dependents' field" and commit a10b453a52 "target/mips: Move mips_cpu_add_definition() from helper.c to cpu.c" resolved. Commit message tweaked.] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-12-18monitor:Don't use '#' flag of printf format ('%#') in format stringsYutao Ai
Delete '#' and use '0x' prefix instead Signed-off-by: Yutao Ai <aiyutao@huawei.com> Message-Id: <20201125014514.55562-4-aiyutao@huawei.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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