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2022-04-22hw/display/vmware_vga: do not discard screen updatesCarwyn Ellis2-18/+24
In certain circumstances, typically when there is lots changing on the screen, updates will be discarded resulting in garbled output. This change simplifies the traversal of the display update FIFO queue when applying updates. We just track the queue length and iterate up to the end of the queue. Additionally when adding updates to the queue, if the buffer reaches capacity we force a flush before accepting further events. Signed-off-by: Carwyn Ellis <carwynellis@gmail.com> Message-Id: <20220206183956.10694-3-carwynellis@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-04-21migration: Read state onceDr. David Alan Gilbert1-2/+3
The 'status' field for the migration is updated normally using an atomic operation from the migration thread. Most readers of it aren't that careful, and in most cases it doesn't matter. In query_migrate->fill_source_migration_info the 'state' is read twice; the first time to decide which state fields to fill in, and then secondly to copy the state to the status field; that can end up with a status that's inconsistent; e.g. setting up the fields for 'setup' and then having an 'active' status. In that case libvirt gets upset by the lack of ram info. The symptom is: libvirt.libvirtError: internal error: migration was active, but no RAM info was set Read the state exactly once in fill_source_migration_info. This is a possible fix for: https://bugzilla.redhat.com/show_bug.cgi?id=2074205 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20220413113329.103696-1-dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Fix operator typeDr. David Alan Gilbert1-1/+1
Clang spotted an & that should have been an &&; fix it. Reported by: David Binderman / https://gitlab.com/dcb Fixes: 65dacaa04fa ("migration: introduce save_normal_page()") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/963 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20220406102515.96320-1-dgilbert@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Allow migrate-recover to run multiple timesPeter Xu3-15/+2
Previously migration didn't have an easy way to cleanup the listening transport, migrate recovery only allows to execute once. That's done with a trick flag in postcopy_recover_triggered. Now the facility is already there. Drop postcopy_recover_triggered and instead allows a new migrate-recover to release the previous listener transport. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20220331150857.74406-8-peterx@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Move channel setup out of postcopy_try_recover()Peter Xu1-12/+11
We used to use postcopy_try_recover() to replace migration_incoming_setup() to setup incoming channels. That's fine for the old world, but in the new world there can be more than one channels that need setup. Better move the channel setup out of it so that postcopy_try_recover() only handles the last phase of switching to the recovery phase. To do that in migration_fd_process_incoming(), move the postcopy_try_recover() call to be after migration_incoming_setup(), which will setup the channels. While in migration_ioc_process_incoming(), postpone the recover() routine right before we'll jump into migration_incoming_process(). A side benefit is we don't need to pass in QEMUFile* to postcopy_try_recover() anymore. Remove it. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20220331150857.74406-7-peterx@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Export ram_load_postcopy()Peter Xu2-1/+2
Will be reused in postcopy fast load thread. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20220331150857.74406-6-peterx@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Move migrate_allow_multifd and helpers into migration.cPeter Xu4-22/+24
This variable, along with its helpers, is used to detect whether multiple channel will be supported for migration. In follow up patches, there'll be other capability that requires multi-channels. Hence move it outside multifd specific code and make it public. Meanwhile rename it from "multifd" to "multi_channels" to show its real meaning. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20220331150857.74406-5-peterx@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Add pss.postcopy_requested statusPeter Xu1-0/+6
This boolean flag shows whether the current page during migration is triggered by postcopy or not. Then in ram_save_host_page() and deeper stack we'll be able to have a reference on the priority of this page. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20220331150857.74406-4-peterx@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Drop multifd tls_hostname cachePeter Xu2-9/+3
The hostname is cached N times, N equals to the multifd channels. Drop that cache because after previous patch we've got s->hostname being alive for the whole lifecycle of migration procedure. Cc: Juan Quintela <quintela@redhat.com> Cc: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20220331150857.74406-3-peterx@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: Postpone releasing MigrationState.hostnamePeter Xu2-1/+3
We used to release it right after migrate_fd_connect(). That's not good enough when there're more than one socket pair required, because it'll be needed to establish TLS connection for the rest channels. One example is multifd, where we copied over the hostname for each channel but that's actually not needed. Keeping the hostname until the cleanup phase of migration. Cc: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20220331150857.74406-2-peterx@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> dgilbert: Fixup checkpatch error; don't need to check for NULL around g_free
2022-04-21tests: expand the migration precopy helper to support failuresDaniel P. Berrangé1-9/+42
The migration precopy testing helper function always expects the migration to run to a completion state. There will be test scenarios for TLS where expect either the client or server to fail the migration. This expands the helper to cope with these scenarios. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-12-berrange@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21tests: switch migration FD passing test to use common precopy helperDaniel P. Berrangé1-36/+21
The combination of the start and finish hooks allow the FD passing code to use the precopy helper Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-11-berrange@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21tests: introduce ability to provide hooks for migration precopy testDaniel P. Berrangé1-0/+38
There are alot of different scenarios to test with migration due to the wide number of parameters and capabilities available. To enable sharing of the basic precopy test scenario, we need to be able to set arbitrary parameters and capabilities before the migration is initiated, but don't want to have all this logic in the common helper function. Solve this by defining two hooks that can be provided by the test case, one before migration starts and one after migration finishes. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-10-berrange@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21tests: merge code for UNIX and TCP migration pre-copy testsDaniel P. Berrangé1-49/+49
The test cases differ only in the URI they provide to the migration commands, and the ability to set the dirty_ring mode. This code is trivially merged into a common helper. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-9-berrange@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21tests: switch MigrateStart struct to be stack allocatedDaniel P. Berrangé1-78/+56
There's no compelling reason why the MigrateStart struct needs to be heap allocated. Using stack allocation and static initializers is simpler. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-8-berrange@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21migration: fix use of TLS PSK credentials with a UNIX socketDaniel P. Berrangé1-4/+0
The migration TLS code has a check mandating that a hostname be available when starting a TLS session. This is expected when using x509 credentials, but is bogus for PSK and anonymous credentials as neither involve hostname validation. The TLS crdentials object gained suitable error reporting in the case of TLS with x509 credentials, so there is no longer any need for the migration code to do its own (incorrect) validation. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-7-berrange@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21tests: print newline after QMP response in qtest logsDaniel P. Berrangé1-1/+4
The QMP commands have a trailing newline, but the response does not. This makes the qtest logs hard to follow as the next QMP command appears in the same line as the previous QMP response. Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-5-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21tests: support QTEST_TRACE env variableDaniel P. Berrangé1-2/+6
When debugging failing qtests it is useful to be able to turn on trace output to stderr. The QTEST_TRACE env variable contents get injected as a '-trace <str>' command line arg Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-4-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21tests: improve error message when saving TLS PSK file failsDaniel P. Berrangé1-1/+1
Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220310171821.3724080-3-berrange@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-04-21target/rx: update PC correctly in wait instructionTomoaki Kawada1-1/+1
`cpu_pc` at this point does not necessary point to the current instruction (i.e., the wait instruction being translated), so it's incorrect to calculate the new value of `cpu_pc` based on this. It must be updated with `ctx->base.pc_next`, which contains the correct address of the next instruction. This change fixes the wait instruction skipping the subsequent branch when used in an idle loop like this: 0: wait bra.b 0b brk // should be unreachable Signed-off-by: Tomoaki Kawada <i@yvt.jp> Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220417060224.2131788-1-i@yvt.jp> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-21target/rx: set PSW.I when executing wait instructionTomoaki Kawada1-0/+1
This patch fixes the implementation of the wait instruction to implicitly update PSW.I as required by the ISA specification. Signed-off-by: Tomoaki Kawada <i@yvt.jp> Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220417045937.2128699-1-i@yvt.jp> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-21hw/rx: rx-gdbsim DTB load address aligned of 16byte.Yoshinori Sato1-1/+1
Linux kernel required alined address of DTB. But missing align in dtb load function. Fixed to load to the correct address. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20220207132758.84403-1-ysato@users.sourceforge.jp> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-21target/rx: Swap stack pointers on clrpsw/setpsw instructionRichard Henderson1-1/+6
We properly perform this swap in helper_set_psw for MVTC, but we missed doing so for the CLRPSW/SETPSW of the U bit. Reported-by: Tomoaki Kawada <i@yvt.jp> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp> Message-Id: <20220417165130.695085-5-richard.henderson@linaro.org>
2022-04-21target/rx: Move DISAS_UPDATE check for write to PSWRichard Henderson1-10/+4
Have one check in move_to_cr instead of one in each function that calls move_to_cr. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp> Message-Id: <20220417165130.695085-4-richard.henderson@linaro.org>
2022-04-21target/rx: Store PSW.U in tb->flagsRichard Henderson2-19/+24
With this, we don't need movcond to determine which stack pointer is current. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp> Message-Id: <20220417165130.695085-3-richard.henderson@linaro.org>
2022-04-21target/rx: Put tb_flags into DisasContextRichard Henderson1-1/+3
Copy tb->flags into ctx->tb_flags; we'll want to modify this value throughout the tb in future. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp> Message-Id: <20220417165130.695085-2-richard.henderson@linaro.org>
2022-04-21python/qmp: remove pylint workaround from legacy.pyJohn Snow1-2/+0
Pylint upgraded recently (2.13.z) and having a pylint: disable comment in the middle of an argument field causes it some grief (It appears to stop parsing when it encounters it, causing some syntax problems). Since the duplicate line threshold was bumped up in 22305c2a081b, we don't need this workaround anymore. Drop it. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org> Message-id: 20220330172812.3427355-10-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python: rename 'aqmp-tui' to 'qmp-tui'John Snow2-9/+9
This is the last vestige of the "aqmp" moniker surviving in the tree; remove it. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org> Message-id: 20220330172812.3427355-9-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python: rename qemu.aqmp to qemu.qmpJohn Snow30-71/+71
Now that we are fully switched over to the new QMP library, move it back over the old namespace. This is being done primarily so that we may upload this package simply as "qemu.qmp" without introducing confusion over whether or not "aqmp" is a new protocol or not. The trade-off is increased confusion inside the QEMU developer tree. Sorry! Note: the 'private' member "_aqmp" in legacy.py also changes to "_qmp"; not out of necessity, but just to remove any traces of the "aqmp" name. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Acked-by: Hanna Reitz <hreitz@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@openvz.org> Message-id: 20220330172812.3427355-8-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python: re-enable pylint duplicate-code warningsJohn Snow1-1/+0
With the old library gone, there's nothing duplicated in the tree, so the warning suppression can be removed. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Message-id: 20220330172812.3427355-7-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python: remove the old QMP packageJohn Snow6-410/+4
Thank you for your service! Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Message-id: 20220330172812.3427355-6-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/aqmp: copy qmp docstrings to qemu.aqmp.legacyJohn Snow1-8/+90
Copy the docstrings out of qemu.qmp, adjusting them as necessary to more accurately reflect the current state of this class. (Licensing: This is copying and modifying GPLv2-only licensed docstrings into a GPLv2-only file.) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Message-id: 20220330172812.3427355-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/aqmp: fully separate from qmp.QEMUMonitorProtocolJohn Snow1-6/+31
After this patch, qemu.aqmp.legacy.QEMUMonitorProtocol no longer inherits from qemu.qmp.QEMUMonitorProtocol. To do this, several inherited methods need to be explicitly re-defined. (Licensing: This is copying and modifying GPLv2-only code into a GPLv2-only file.) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Message-id: 20220330172812.3427355-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/aqmp: take QMPBadPortError and parse_address from qemu.qmpJohn Snow3-32/+27
Shift these definitions over from the qmp package to the async qmp package. (Licensing: this is a lateral move, from GPLv2 (only) to GPLv2 (only)) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Message-id: 20220330172812.3427355-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python: temporarily silence pylint duplicate-code warningsJohn Snow1-0/+1
The next several commits copy some code from qemu.qmp to qemu.aqmp, then delete qemu.qmp. In the interim, to prevent test failures, the duplicate code detection needs to be silenced to prevent bisect problems with CI testing. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20220330172812.3427355-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/aqmp-tui: relicense as LGPLv2+John Snow1-1/+1
aqmp-tui, the async QMP text user interface tool, is presently licensed as GPLv2+. I intend to include this tool as an add-on to an LGPLv2+ library package hosted on PyPI.org. I've selected LGPLv2+ to maximize compatibility with other licenses while retaining a copyleft license. To keep licensing matters simple, I'd like to relicense this tool as LGPLv2+ as well in order to keep the resultant license of the hosted release files simple -- even if library users won't "link against" this command line tool. Therefore, I am asking permission to loosen the license. Niteesh is effectively the sole author of this code, with scattered lines from myself. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: G S Niteesh Babu <niteesh.gs@gmail.com> Message-id: 20220325200438.2556381-5-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/qmp-shell: relicense as LGPLv2+John Snow1-3/+4
qmp-shell is presently licensed as GPLv2 (only). I intend to include this tool as an add-on to an LGPLv2+ library package hosted on PyPI.org. I've selected LGPLv2+ to maximize compatibility with other licenses while retaining a copyleft license. To keep licensing matters simple, I'd like to relicense this tool as LGPLv2+ as well in order to keep the resultant license of the hosted release files simple -- even if library users won't "link against" this command line tool. Therefore, I am asking permission from the current authors of this tool to loosen the license. At present, those people are: - John Snow (me!), 411/609 - Luiz Capitulino, Author, 97/609 - Daniel Berrangé, 81/609 - Eduardo Habkost, 10/609 - Marc-André Lureau, 6/609 - Fam Zheng, 3/609 - Cleber Rosa, 1/609 (All of which appear to have been written under redhat.com addresses.) Eduardo's fixes are largely automated from 2to3 conversion tools and may not necessarily constitute authorship, but his signature would put to rest any questions. Cleber's changes concern a single import statement change. Also won't hurt to ask. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Acked-by: Fam Zheng <fam@euphon.net> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Acked-by: Eduardo Habkost <eduardo@habkost.net> Acked-by: Daniel P. Berrangé <berrange@redhat.com> Acked-by: Cleber Rosa <crosa@redhat.com> Message-id: 20220325200438.2556381-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/aqmp: relicense as LGPLv2+John Snow1-3/+3
I am the sole author of all of the async QMP code (python/qemu/aqmp) with the following exceptions: python/qemu/aqmp/qmp_shell.py and python/qemu/aqmp/legacy.py were written by Luiz Capitulino (et al) and are already licensed separately as GPLv2 (only). aqmp_tui.py was written by Niteesh Babu G S and is licensed as GPLv2+. I wish to relicense as LGPLv2+ in order to provide as much flexibility as I reasonably can, while retaining a copyleft license. It is my belief that LGPLv2+ is a suitable license for the Python ecosystem that aligns with the goals and philosophy of the QEMU project. The intent is to eventually drop legacy.py, leaving only library code that is LGPLv2+. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20220325200438.2556381-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/aqmp: add explicit GPLv2 license to legacy.pyJohn Snow1-0/+11
The legacy.py module is heavily based on the QMP module by Luiz Capitulino (et al) which is licensed as explicit GPLv2-only. The async QMP package is currently licensed similarly, but I intend to relicense the async package to the more flexible LGPLv2+. In preparation for that change, make the license on legacy.py explicit. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 20220325200438.2556381-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21iotests: switch to AQMPJohn Snow1-2/+1
iotests is already using async QMP, but to finalize the switchover we only need to update any remaining import paths to rely solely on the new library instead. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Acked-by: Hanna Reitz <hreitz@redhat.com> Message-id: 20220321203315.909411-5-jsnow@redhat.com [Fixed minor rebase conflict. --js] Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21iotests/mirror-top-perms: switch to AQMPJohn Snow1-6/+3
We don't have to maintain compatibility with both QMP libraries anymore, so we can just remove the old exception. While we're here, take advantage of the extra fields present in the VMLaunchFailure exception that machine.py now raises. (Note: I'm leaving the logging suppression here unchanged. I had suggested previously we use filters to scrub the PID out of the logging information so it could just be diffed as part of the iotest output, but that meant *always* scrubbing PID from logger output, which defeated the point of even offering that information in the output to begin with. Ultimately, I decided it's fine to just suppress the logger temporarily.) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Acked-by: Hanna Reitz <hreitz@redhat.com> Message-id: 20220321203315.909411-4-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21scripts/bench-block-job: switch to AQMPJohn Snow1-2/+1
For this commit, we only need to remove accommodations for the synchronous QMP library. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Acked-by: Hanna Reitz <hreitz@redhat.com> Message-id: 20220321203315.909411-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21python/machine: permanently switch to AQMPJohn Snow2-12/+8
Remove the QEMU_PYTHON_LEGACY_QMP environment variable, making the switch from sync qmp to async qmp permanent. Update exceptions and import paths as necessary. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Beraldo Leal <bleal@redhat.com> Acked-by: Hanna Reitz <hreitz@redhat.com> Message-id: 20220321203315.909411-2-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2022-04-21qga: use fixed-length and GDateTime for log timestampMarc-André Lureau1-5/+3
The old code is kind of wrong. Say it's 1649309843.000001 seconds past the epoch. Prints "1649309843.1". 9us later, it prints "1649309843.10". Should really use %06lu for the microseconds part. Use GDateTime instead, as suggested by Daniel. Suggested-by: Markus Armbruster <armbru@redhat.com> Suggested-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2022-04-21tests/fuzz: fix warningMarc-André Lureau1-2/+0
../tests/qtest/fuzz/generic_fuzz.c:746:17: warning: variable 'name' set but not used [-Wunused-but-set-variable] Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20220420132624.2439741-42-marcandre.lureau@redhat.com>
2022-04-21qga: remove need for QEMU atomic.hMarc-André Lureau1-7/+5
Since the introduction of guest-exec in/out/err redirections in commit a1853dca74 ("qga: guest-exec simple stdin/stdout/stderr redirection"), some execution state variables are handled with atomic ops. However, there are no threads involved in this code (and glib sources are dispatched in the same thread), and no other obvious reason to use them. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220420132624.2439741-40-marcandre.lureau@redhat.com>
2022-04-21util: replace qemu_get_local_state_pathname()Marc-André Lureau6-21/+18
Simplify the function to only return the directory path. Callers are adjusted to use the GLib function to build paths, g_build_filename(). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220420132624.2439741-39-marcandre.lureau@redhat.com>
2022-04-21util: use qemu_create() in qemu_write_pidfile()Marc-André Lureau1-2/+1
qemu_open_old(O_CREATE) should be replaced with qemu_create() which handles Error reporting. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220420132624.2439741-38-marcandre.lureau@redhat.com>
2022-04-21util: use qemu_write_full() in qemu_write_pidfile()Marc-André Lureau1-1/+1
Mostly for correctness. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220420132624.2439741-37-marcandre.lureau@redhat.com>
2022-04-21util: simplify write in signal handlerMarc-André Lureau1-16/+2
Use qemu_write_full() instead of open-coding a write loop. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20220420132624.2439741-36-marcandre.lureau@redhat.com>