Commit Graph

110016 Commits

Author SHA1 Message Date
Peter Xu
f6bbac985e docs/migration: Create index page
Create an index page for migration module.  Move VFIO migration there too.
A trivial touch-up on the title to use lower case there.

Since then we'll have "migration" as the top title, make the main doc file
renamed to "migration framework".

Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-3-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:10 +08:00
Peter Xu
8cb2f8b172 docs/migration: Create migration/ directory
Migration documentation is growing into a single file too large.  Create a
sub-directory for it for a split.

We also already have separate vfio/virtio documentations, move it all over
into the directory.

Note that the virtio one is still not yet converted to rST.  That is a job
for later.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-2-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:10 +08:00
Fabiano Rosas
75b1f88cd2 tests/qtest: Re-enable multifd cancel test
We've found the source of flakiness in this test, so re-enable it.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20230606144551.24367-4-farosas@suse.de
[peterx: rebase to 2a61a6964c, to use migration_test_add()]
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:10 +08:00
Fabiano Rosas
6f0771de90 tests/qtest/migration: Use the new migration_test_add
Replace the tests registration with the new function that prints tests
names.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-8-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:10 +08:00
Fabiano Rosas
e33b6712db tests/qtest/migration: Add a wrapper to print test names
Our usage of gtest results in us losing the very basic functionality
of "knowing which test failed". The issue is that gtest only prints
test names ("paths" in gtest parlance) once the test has finished, but
we use asserts in the tests and crash gtest itself before it can print
anything. We also use a final abort when the result of g_test_run is
not 0.

Depending on how the test failed/broke we can see the function that
trigged the abort, which may be representative of the test, but it
could also just be some generic function.

We have been relying on the primitive method of looking at the name of
the previous successful test and then looking at the code to figure
out which test should have come next.

Add a wrapper to the test registration that does the job of printing
the test name before running.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-7-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:09 +08:00
Fabiano Rosas
679a7382a3 tests/qtest/migration: Print migration incoming errors
We're currently just asserting when incoming migration fails. Let's
print the error message from QMP as well.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-6-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:09 +08:00
Fabiano Rosas
e3b8ad5c13 migration: Report error in incoming migration
We're not currently reporting the errors set with migrate_set_error()
when incoming migration fails.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-5-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:09 +08:00
Fabiano Rosas
6074f81625 migration/multifd: Change multifd_pages_init argument
The 'size' argument is actually the number of pages that fit in a
multifd packet. Change it to uint32_t and rename.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-4-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:09 +08:00
Fabiano Rosas
9346fa1870 migration/multifd: Remove QEMUFile from where it is not needed
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-3-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:09 +08:00
Fabiano Rosas
dca1bc7f24 migration/multifd: Remove MultiFDPages_t::packet_num
This was introduced by commit 34c55a94b1 ("migration: Create multipage
support") and never used.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-2-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:09 +08:00
Het Gala
0770ad438d migration: Simplify initial conditionals in migration for better readability
The inital conditional statements in qmp migration functions is harder
to understand than necessary. It is better to get all errors out of
the way in the beginning itself to have better readability and error
handling.

Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20231205080039.197615-1-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-16 11:16:09 +08:00
Peter Maydell
977542ded7 testing and misc updates
- add LE microblaze test to avocado
   - use modern snapshot=on to avoid trashing disk image
   - use plain bool for fe_is_open
   - various updates to qtest timeouts
   - enable meson test timeouts
   - tweak the readthedocs environment
   - partially revert un-flaking x86_64
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Merge tag 'pull-testing-updates-120124-2' of https://gitlab.com/stsquad/qemu into staging

testing and misc updates

  - add LE microblaze test to avocado
  - use modern snapshot=on to avoid trashing disk image
  - use plain bool for fe_is_open
  - various updates to qtest timeouts
  - enable meson test timeouts
  - tweak the readthedocs environment
  - partially revert un-flaking x86_64

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* tag 'pull-testing-updates-120124-2' of https://gitlab.com/stsquad/qemu: (22 commits)
  tests/avocado: partially revert unmasking of replay_linux tests
  readthodocs: fully specify a build environment
  mtest2make: stop disabling meson test timeouts
  tests/fp: Bump fp-test-mulAdd test timeout to 3 minutes
  tests/unit: Bump test-crypto-block test timeout to 5 minutes
  tests/unit: Bump test-aio-multithread test timeout to 2 minutes
  tests/qtest: Bump the device-introspect-test timeout to 12 minutes
  qtest: bump bios-table-test timeout to 9 minutes
  qtest: bump aspeed_smc-test timeout to 6 minutes
  qtest: bump qos-test timeout to 2 minutes
  qtest: bump boot-serial-test timeout to 3 minutes
  qtest: bump prom-env-test timeout to 6 minutes
  qtest: bump pxe-test timeout to 10 minutes
  qtest: bump test-hmp timeout to 4 minutes
  qtest: bump npcm7xx_pwm-test timeout to 5 minutes
  qtest: bump qom-test timeout to 15 minutes
  qtest: bump migration-test timeout to 8 minutes
  qtest: bump min meson timeout to 60 seconds
  chardev: use bool for fe_is_open
  gitlab: include microblazeel in testing
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-12 14:02:53 +00:00
Peter Maydell
b1b1585558 * Fix non-deterministic failures of the 'netdev-socket' qtest
* Fix device presence checking in the virtio-ccw qtest
 * Support codespell checking in checkpatch.pl
 * Fix emulation of LAE s390x instruction
 * Work around htags bug when environment is large
 * Some other small clean-ups here and there
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Merge tag 'pull-request-2024-01-11' of https://gitlab.com/thuth/qemu into staging

* Fix non-deterministic failures of the 'netdev-socket' qtest
* Fix device presence checking in the virtio-ccw qtest
* Support codespell checking in checkpatch.pl
* Fix emulation of LAE s390x instruction
* Work around htags bug when environment is large
* Some other small clean-ups here and there

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# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
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* tag 'pull-request-2024-01-11' of https://gitlab.com/thuth/qemu:
  .gitlab-ci.d/buildtest.yml: Work around htags bug when environment is large
  tests/tcg/s390x: Test LOAD ADDRESS EXTENDED
  target/s390x: Fix LAE setting a wrong access register
  scripts/checkpatch: Support codespell checking
  hw/s390x/ccw: Replace dirname() with g_path_get_dirname()
  hw/s390x/ccw: Replace basename() with g_path_get_basename()
  target/s390x/kvm/pv: Provide some more useful information if decryption fails
  gitlab: fix s390x tag for avocado-system-centos
  tests/qtest/virtio-ccw: Fix device presence checking
  qtest: ensure netdev-socket tests have non-overlapping names
  net: handle QIOTask completion to report useful error message
  net: add explicit info about connecting/listening state
  Revert "tests/qtest/netdev-socket: Raise connection timeout to 120 seconds"
  Revert "osdep: add getloadavg"
  Revert "netdev: set timeout depending on loadavg"
  qtest: use correct boolean type for failover property
  q800: move dp8393x_prom memory region to Q800MachineState

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-12 14:02:31 +00:00
Gavin Shan
393d5c5bc7 numa: Skip invalidation of cluster and NUMA node boundary for qtest
There are warning messages printed from tests/qtest/numa-test.c,
to complain the CPU cluster and NUMA node boundary is broken. Since
the broken boundary is expected, we don't want to see the warning
messages.

  # cd /home/gavin/sandbox/qemu.main/build
  # MALLOC_PERTURB_=255 QTEST_QEMU_BINARY=./qemu-system-aarch64           \
    G_TEST_DBUS_DAEMON=../tests/dbus-vmstate-daemon.sh                    \
    QTEST_QEMU_IMG=./qemu-img                                             \
    QTEST_QEMU_STORAGE_DAEMON_BINARY=./storage-daemon/qemu-storage-daemon \
    tests/qtest/numa-test --tap -k
      :
    qemu-system-aarch64: warning: CPU-0 and CPU-4 in socket-0-cluster-0   \
    have been associated with node-0 and node-1 respectively.             \
    It can cause OSes like Linux to misbehave
      :

Skip the invalidation of CPU cluster and NUMA node boundary when
qtest is enabled, to avoid the warning messages.

Fixes: a494fdb715 ("numa: Validate cluster and NUMA node boundary if required")
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-12 14:02:23 +00:00
Alex Bennée
139db3cc59 tests/avocado: partially revert unmasking of replay_linux tests
It seems we were premature in declaring replay_linux.py fixed. The
x86_64 image still seems to hang occasionally. I've raised a new bug
to cover it:

    https://gitlab.com/qemu-project/qemu/-/issues/2094

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Alex Bennée
b16a45bc5e readthodocs: fully specify a build environment
This is now expected by rtd so I've expanded using their example as
22.04 is one of our supported platforms. I tried to work out if there
was an easy way to re-generate a requirements.txt from our
pythondeps.toml but in the end went for the easier solution.

Cc:  <qemu-stable@nongnu.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231221174200.2693694-1-alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
4156325cd3 mtest2make: stop disabling meson test timeouts
The mtest2make.py script passes the arg '-t 0' to 'meson test' which
disables all test timeouts. This is a major source of pain when running
in GitLab CI and a test gets stuck. It will stall until GitLab kills the
CI job. This leaves us with little easily consumable information about
the stalled test. The TAP format doesn't show the test name until it is
completed, and TAP output from multiple tests it interleaved. So we
have to analyse the log to figure out what tests had un-finished TAP
output present and thus infer which test case caused the hang. This is
very time consuming and error prone.

By allowing meson to kill stalled tests, we get a direct display of what
test program got stuck, which lets us more directly focus in on what
specific test case within the test program hung.

The other issue with disabling meson test timeouts by default is that it
makes it more likely that maintainers inadvertantly introduce slowdowns.
For example the recent-ish change that accidentally made migrate-test
take 15-20 minutes instead of around 1 minute.

The main risk of this change is that the individual test timeouts might
be too short to allow completion in high load scenarios. Thus, there is
likely to be some short term pain where we have to bump the timeouts for
certain tests to make them reliable enough. The preceeding few patches
raised the timeouts for all failures that were immediately apparent
in GitLab CI.

Even with the possible short term instability, this should still be a
net win for debuggability of failed CI pipelines over the long term.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230717182859.707658-13-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-17-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Thomas Huth
92b1dba3b0 tests/fp: Bump fp-test-mulAdd test timeout to 3 minutes
When running the tests in slow mode with --enable-debug on a very loaded
system, the  fp-test-mulAdd test can take longer than 2 minutes. Bump the
timeout to three minutes to make sure it passes in such situations, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-16-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Thomas Huth
e1b363e328 tests/unit: Bump test-crypto-block test timeout to 5 minutes
When running the tests in slow mode on a very loaded system and with
--enable-debug, the test-crypto-block can take longer than 4 minutes.
Bump the timeout to 5 minutes to make sure that it also passes in
such situations.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-15-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Thomas Huth
c45f8f1aef tests/unit: Bump test-aio-multithread test timeout to 2 minutes
When running the tests in slow mode on a very loaded system and with
--enable-debug, the test-aio-multithread can take longer than 1 minute.
Bump the timeout to two minutes to make sure that it also passes in
such situations.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-14-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Thomas Huth
50dfa7ca48 tests/qtest: Bump the device-introspect-test timeout to 12 minutes
When running the test in slow mode on a very loaded system with the
arm/aarch64 target and with --enable-debug, it can take longer than
10 minutes to finish the introspection test. Bump the timeout to twelve
minutes to make sure that it also finishes in such situations.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-13-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
794876fb52 qtest: bump bios-table-test timeout to 9 minutes
This is reliably hitting the current 2 minute timeout in GitLab CI,
and for the TCI job, it even hits a 6 minute timeout.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20230717182859.707658-12-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-12-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
e8a12fe31f qtest: bump aspeed_smc-test timeout to 6 minutes
On a loaded system with --enable-debug, this test can take longer than
5 minutes. Raising the timeout to 6 minutes gives greater headroom for
such situations.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
[thuth: Increase the timeout to 6 minutes for very loaded systems]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-11-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
f6bee9c2f2 qtest: bump qos-test timeout to 2 minutes
The qos-test takes just under 1 minute in a --enable-debug
build. Bumping to 2 minutes will give more headroom.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20230717182859.707658-10-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-10-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
93b6d67348 qtest: bump boot-serial-test timeout to 3 minutes
The boot-serial-test takes about 1 + 1/2 minutes in a --enable-debug
build. Bumping to 3 minutes will give more headroom.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20230717182859.707658-9-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-9-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
8911563900 qtest: bump prom-env-test timeout to 6 minutes
The prom-env-test can take more than 5 minutes in a --enable-debug
build on a loaded system. Bumping to 6 minutes will give more headroom.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
[thuth: Bump timeout to 6 minutes instead of 3]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-8-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
17e164da12 qtest: bump pxe-test timeout to 10 minutes
The pxe-test uses the boot_sector_test() function, and that already
uses a timeout of 600 seconds. So adjust the timeout on the meson
side accordingly.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
[thuth: Bump timeout to 600s and adjust commit description]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-7-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
f6d8d0e542 qtest: bump test-hmp timeout to 4 minutes
The hmp test takes just under 3 minutes in a --enable-debug
build. Bumping to 4 minutes will give more headroom.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20230717182859.707658-6-berrange@redhat.com>
[thuth: fix copy-n-paste error in the description]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-6-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
d05328bcb0 qtest: bump npcm7xx_pwm-test timeout to 5 minutes
The npcm7xx_pwm-test takes 3 & 1/2 minutes in a --enable-debug build.
Bumping to 5 minutes will give more headroom.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20230717182859.707658-5-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-5-thuth@redhat.com>
[AJB: s/pwn/pwm]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
cb2218ab16 qtest: bump qom-test timeout to 15 minutes
The qom-test is periodically hitting the 5 minute timeout when running
on the aarch64 emulator under GitLab CI. With an --enable-debug build
it can take over 10 minutes for arm/aarch64 targets. Setting timeout
to 15 minutes gives enough headroom to hopefully make it reliable.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20230717182859.707658-4-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-4-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
7071795114 qtest: bump migration-test timeout to 8 minutes
The migration test should take between 1 min 30 and 2 mins on reasonably
modern hardware. The test is not especially compute bound, rather its
running time is dominated by the guest RAM size relative to the
bandwidth cap, which forces each iteration to take at least 30 seconds.
None the less under high load conditions with multiple QEMU processes
spawned and competing with other parallel tests, the worst case running
time might be somewhat extended. Bumping the timeout to 8 minutes gives
us good headroom, while still catching stuck tests relatively quickly.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20230717182859.707658-3-berrange@redhat.com>
[thuth: Bump timeout to 8 minutes to make it work on very loaded systems, too]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-3-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Daniel P. Berrangé
9eb95e5c56 qtest: bump min meson timeout to 60 seconds
Even some of the relatively fast qtests can sometimes hit the 30 second
timeout in GitLab CI under high parallelism/load conditions. Bump the
min to 60 seconds to give a higher margin for reliability.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20230717182859.707658-2-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215070357.10888-2-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Alex Bennée
67b5595d3b chardev: use bool for fe_is_open
The function qemu_chr_fe_init already treats be->fe_open as a bool and
if it acts like a bool it should be one. While we are at it make the
variable name more descriptive and add kdoc decorations.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231211145959.93759-1-alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Alex Bennée
2d41bf0fe1 gitlab: include microblazeel in testing
This reverts aeb5f8f248 (gitlab: build the correct microblaze target)
now we actually have a little-endian test in avocado thanks to this
years advent calendar.

Message-Id: <20240103173349.398526-4-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2024-01-12 13:23:48 +00:00
Alex Bennée
b9371a7b90 tests/avocado: use snapshot=on in kvm_xen_guest
This ensures the rootfs is never permanently changed as we don't need
persistence between tests anyway.

Message-Id: <20240103173349.398526-3-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-01-12 13:23:48 +00:00
Thomas Huth
b7f2aea63b tests/avocado: Add a test for a little-endian microblaze machine
We've already got a test for a big endian microblaze machine, but so
far we lack one for a little endian machine. Now that the QEMU advent
calendar featured such an image, we can test the little endian mode,
too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231215161851.71508-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2024-01-12 13:23:48 +00:00
Peter Maydell
52a21689cd .gitlab-ci.d/buildtest.yml: Work around htags bug when environment is large
Sometimes the CI "pages" job fails with a message like this from
htags:

$ htags -anT --tree-view=filetree -m qemu_init -t "Welcome to the QEMU sourcecode"
htags: Negative exec line limit = -371

This is due to a bug in hflags where if the environment is too large it
falls over:
https://lists.gnu.org/archive/html/bug-global/2024-01/msg00000.html

This happens to us because GitLab CI puts the commit message of the
commit under test into the CI_COMMIT_MESSAGE and/or CI_COMMIT_TAG_MESSAGE
environment variables, so the job will fail if the commit happens to
have a verbose commit message.

Work around the htags bug by unsetting these variables while running
htags.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2080
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240111125543.1573473-1-peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-11 17:49:21 +01:00
Peter Maydell
3fab43d2f6 edk2: update to git snapshot (maybe for-8.2)
This updates edk2 to git master as of today.  This picks up a patch
 (merged only yesterday, that's why this last-minute PR) which allows to
 work around a bug in shim, and enables that workaround in the qemu
 firmware builds.
 
 This solves a real-world problem on arm hardware, walk over to
 https://gitlab.com/qemu-project/qemu/-/issues/1990 to see the details.
 
 Merging this firmware update that close to the 8.2 release clearly is
 not without risks.  If I get a 'no', I'm not going to complain.
 
 That said I'm not aware of any bugs, and landing this in 8.2.0 would
 make a bunch of folks hanging around in issue 1990 very happy.
 
 Alternative plan would be to merge this after the release, give it some
 time for testing, and assuming everything goes well schedule a backport
 for 8.2.1
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Merge tag 'firmware/edk2-20231213-pull-request' of https://gitlab.com/kraxel/qemu into staging

edk2: update to git snapshot (maybe for-8.2)

This updates edk2 to git master as of today.  This picks up a patch
(merged only yesterday, that's why this last-minute PR) which allows to
work around a bug in shim, and enables that workaround in the qemu
firmware builds.

This solves a real-world problem on arm hardware, walk over to
https://gitlab.com/qemu-project/qemu/-/issues/1990 to see the details.

Merging this firmware update that close to the 8.2 release clearly is
not without risks.  If I get a 'no', I'm not going to complain.

That said I'm not aware of any bugs, and landing this in 8.2.0 would
make a bunch of folks hanging around in issue 1990 very happy.

Alternative plan would be to merge this after the release, give it some
time for testing, and assuming everything goes well schedule a backport
for 8.2.1

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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 13 Dec 2023 10:47:25 GMT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* tag 'firmware/edk2-20231213-pull-request' of https://gitlab.com/kraxel/qemu:
  tests/acpi: disallow tests/data/acpi/virt/SSDT.memhp changes
  tests/acpi: update expected data files
  edk2: update binaries to git snapshot
  edk2: update build config, set PcdUninstallMemAttrProtocol = TRUE.
  edk2: update to git snapshot
  tests/acpi: allow tests/data/acpi/virt/SSDT.memhp changes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-11 15:19:42 +00:00
Peter Maydell
5429a82cf8 pull-loongarch-20240111
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Merge tag 'pull-loongarch-20240111' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20240111

# -----BEGIN PGP SIGNATURE-----
#
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# =+Pi0
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 11 Jan 2024 11:25:30 GMT
# gpg:                using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B8FF 1DA0 D2FD CB2D A09C  6C2C 40A2 FFF2 3926 3EDF

* tag 'pull-loongarch-20240111' of https://gitlab.com/gaosong/qemu:
  hw/intc/loongarch_extioi: Add vmstate post_load support
  hw/intc/loongarch_extioi: Add dynamic cpu number support
  hw/loongarch/virt: Set iocsr address space per-board rather than percpu
  hw/intc/loongarch_ipi: Use MemTxAttrs interface for ipi ops
  target/loongarch: Add loongarch kvm into meson build
  target/loongarch: Implement set vcpu intr for kvm
  target/loongarch: Restrict TCG-specific code
  target/loongarch: Implement kvm_arch_handle_exit
  target/loongarch: Implement kvm_arch_init_vcpu
  target/loongarch: Implement kvm_arch_init function
  target/loongarch: Implement kvm get/set registers
  target/loongarch: Supplement vcpu env initial when vcpu reset
  target/loongarch: Define some kvm_arch interfaces
  linux-headers: Synchronize linux headers from linux v6.7.0-rc8

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-11 15:19:14 +00:00
Ilya Leoshkevich
2bcc91ecea tests/tcg/s390x: Test LOAD ADDRESS EXTENDED
Add a small test to prevent regressions. Userspace runs in primary
mode, so LAE should always set the access register to 0.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240111092328.929421-3-iii@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-11 14:13:07 +01:00
Ilya Leoshkevich
e358a25a97 target/s390x: Fix LAE setting a wrong access register
LAE should set the access register corresponding to the first operand,
instead, it always modifies access register 1.

Co-developed-by: Ido Plat <Ido.Plat@ibm.com>
Cc: qemu-stable@nongnu.org
Fixes: a1c7610a68 ("target-s390x: implement LAY and LAEY instructions")
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240111092328.929421-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-11 14:13:07 +01:00
Zhao Liu
e072af19fc scripts/checkpatch: Support codespell checking
Add two spelling check options (--codespell and --codespellfile) to
enhance spelling check through dictionary, which copied the Linux
kernel's implementation in checkpatch.pl.

This check uses the dictionary at "/usr/share/codespell/dictionary.txt"
by default, if there is no dictionary specified under this path, it
will look for the dictionary of python3's codespell (This requires user
to add python3's path in environment variable $PATH, and to install
codespell by "pip install codespell").

Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Tested-by: Samuel Tardieu <sam@rfc1149.net>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20240105083848.267192-1-zhao1.liu@linux.intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-11 14:13:07 +01:00
Zhao Liu
7af0cc147c hw/s390x/ccw: Replace dirname() with g_path_get_dirname()
As commit 3e015d815b ("use g_path_get_basename instead of basename")
said, g_path_get_dirname() should be preferred over dirname() since
the former is a portable utility function that has the advantage of not
modifying the string argument.

Replace dirname() with g_path_get_dirname().

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20231221171921.57784-3-zhao1.liu@linux.intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-11 14:13:07 +01:00
Zhao Liu
469897ed43 hw/s390x/ccw: Replace basename() with g_path_get_basename()
g_path_get_basename() is a portable utility function that has the
advantage of not modifying the string argument, so it should be
preferred over basename().

And also to avoid potential compile breakage with the Musl C library
similar to [1], replace basename() with g_path_get_basename().

[1]: https://lore.kernel.org/all/20231212010228.2701544-1-raj.khem@gmail.com/

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20231221171921.57784-2-zhao1.liu@linux.intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-11 14:13:07 +01:00
Thomas Huth
7af51621b1 target/s390x/kvm/pv: Provide some more useful information if decryption fails
It's a common scenario to copy guest images from one host to another
to run the guest on the other machine. This (of course) does not work
with "secure execution" guests since they are encrypted with one certain
host key. However, if you still (accidentally) do it, you only get a
very user-unfriendly error message that looks like this:

 qemu-system-s390x: KVM PV command 2 (KVM_PV_SET_SEC_PARMS) failed:
  header rc 108 rrc 5 IOCTL rc: -22

Let's provide at least a somewhat nicer hint to the users so that they
are able to figure out what might have gone wrong.

Buglink: https://issues.redhat.com/browse/RHEL-18212
Message-ID: <20240110142916.850605-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-01-11 14:12:59 +01:00
Bibo Mao
428a6ef439 hw/intc/loongarch_extioi: Add vmstate post_load support
There are elements sw_ipmap and sw_coremap, which is usd to speed
up irq injection flow. They are saved and restored in vmstate during
migration, indeed they can calculated from hw registers. Here
post_load is added for get sw_ipmap and sw_coremap from extioi hw
state.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20231215100333.3933632-5-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-01-11 19:22:47 +08:00
Bibo Mao
10a8f7d25a hw/intc/loongarch_extioi: Add dynamic cpu number support
On LoongArch physical machine, one extioi interrupt controller only
supports 4 cpus. With processor more than 4 cpus, there are multiple
extioi interrupt controllers; if interrupts need to be routed to
other cpus, they are forwarded from extioi node0 to other extioi nodes.

On virt machine model, there is simple extioi interrupt device model.
All cpus can access register of extioi interrupt controller, however
interrupt can only be route to 4 vcpu for compatible with old kernel.

This patch adds dynamic cpu number support about extioi interrupt.
With old kernel legacy extioi model is used, however kernel can detect
and choose new route method in future, so that interrupt can be routed to
all vcpus.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20231215100333.3933632-4-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-01-11 19:22:47 +08:00
Bibo Mao
5e90b8db38 hw/loongarch/virt: Set iocsr address space per-board rather than percpu
LoongArch system has iocsr address space, most iocsr registers are
per-board, however some iocsr register spaces banked for percpu such
as ipi mailbox and extioi interrupt status. For banked iocsr space,
each cpu has the same iocsr space, but separate data.

This patch changes iocsr address space per-board rather percpu,
for iocsr registers specified for cpu, MemTxAttrs.requester_id
can be parsed for the cpu. With this patches, the total address space
on board will be simple, only iocsr address space and system memory,
rather than the number of cpu and system memory.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20231215100333.3933632-3-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-01-11 19:22:47 +08:00
Bibo Mao
fdd6ee0b76 hw/intc/loongarch_ipi: Use MemTxAttrs interface for ipi ops
There are two interface pairs for MemoryRegionOps, read/write and
read_with_attrs/write_with_attrs. The later is better for ipi device
emulation since initial cpu can be parsed from attrs.requester_id.

And requester_id can be overrided for IOCSR_IPI_SEND and mail_send
function when it is to forward message to another vcpu.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20231215100333.3933632-2-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-01-11 19:22:47 +08:00
Tianrui Zhao
714b03c125 target/loongarch: Add loongarch kvm into meson build
Add kvm.c into meson.build to compile it when kvm
is configed. Meanwhile in meson.build, we set the
kvm_targets to loongarch64-softmmu when the cpu is
loongarch. And fix the compiling error when config
is enable-kvm,disable-tcg.

Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: xianglai li <lixianglai@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240105075804.1228596-10-zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-01-11 19:22:47 +08:00