Commit Graph

94893 Commits

Author SHA1 Message Date
Richard Henderson
a61532faa5 tcg: Add tcg_constant_ptr
Similar to tcg_const_ptr, defer to tcg_constant_{i32,i64}.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-20 12:12:47 -07:00
Richard Henderson
5b6af141da accel/tcg: Remove ATOMIC_MMU_IDX
The last use of this macro was removed in f3e182b100
("accel/tcg: Push trace info building into atomic_common.c.inc")

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-20 12:12:47 -07:00
Richard Henderson
c74824389e tcg: Fix indirect lowering vs TCG_OPF_COND_BRANCH
With TCG_OPF_COND_BRANCH, we extended the lifetimes of
globals across extended basic blocks.  This means that
the liveness computed in pass 1 does not kill globals
in the same way as normal temps.

Introduce TYPE_EBB to match this lifetime, so that we
get correct register allocation for the temps that we
introduce during the indirect lowering pass.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: b4cb76e620 ("tcg: Do not kill globals at conditional branches")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-20 12:12:47 -07:00
Thomas Huth
55d71e0b78 Don't include sysemu/tcg.h if it is not necessary
This header only defines the tcg_allowed variable and the tcg_enabled()
function - which are not required in many files that include this
header. Drop the #include statement there.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220315144107.1012530-1-thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-20 12:12:47 -07:00
Richard Henderson
2d20a57453 Testing, docs and gdbstub updates:
- make -M virt test exercise -cpu max
   - document how binfmt_misc docker works
   - clean-up the devel TOC generation
   - clean-up check-tcg cross-compile behaviour
   - fix byte swap error in xmm gdbstub access
   - add float_convd test with reference files
   - more reference files for float_convs
   - more cleanly handle gdb crashing during check-tcg
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Merge tag 'pull-fixes-for-7.1-200422-1' of https://github.com/stsquad/qemu into staging

Testing, docs and gdbstub updates:

  - make -M virt test exercise -cpu max
  - document how binfmt_misc docker works
  - clean-up the devel TOC generation
  - clean-up check-tcg cross-compile behaviour
  - fix byte swap error in xmm gdbstub access
  - add float_convd test with reference files
  - more reference files for float_convs
  - more cleanly handle gdb crashing during check-tcg

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# gpg: Signature made Wed 20 Apr 2022 08:08:59 AM PDT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
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* tag 'pull-fixes-for-7.1-200422-1' of https://github.com/stsquad/qemu: (25 commits)
  tests/guest-debug: better handle gdb crashes
  target/i386: fix byte swap issue with XMM register access
  tests/tcg: add missing reference files for float_convs
  tests/tcg: add float_convd test
  tests/tcg: remove duplicate sha512-sse case
  tests/tcg: fix non-static build
  tests/docker: remove SKIP_DOCKER_BUILD
  tests/tcg: isolate from QEMU's config-host.mak
  tests/tcg: invoke Makefile.target directly from QEMU's makefile
  tests/tcg: list test targets in Makefile.prereqs
  tests/tcg: prepare Makefile.prereqs at configure time
  tests/tcg: remove CONFIG_USER_ONLY from config-target.mak
  tests/tcg: remove CONFIG_LINUX_USER from config-target.mak
  tests/tcg: add compiler test variables when using containers
  tests/docker: do not duplicate rules for hexagon-cross
  tests/docker: simplify docker-TEST@IMAGE targets
  tests/docker: remove unnecessary filtering of $(DOCKER_IMAGES)
  tests/docker: inline variable definitions or move close to use
  tests/docker: remove unnecessary default definitions
  tests/docker: remove dead variable
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-20 11:13:08 -07:00
Richard Henderson
40a4b96eb0 Block patches:
- Some changes for qcow2's refcount repair algorithm to make it work for
   qcow2 images stored on block devices
 - Skip test cases that require zstd when support for it is missing
 - Some refactoring in the iotests' meson.build
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Merge tag 'pull-block-2022-04-20' of https://gitlab.com/hreitz/qemu into staging

Block patches:
- Some changes for qcow2's refcount repair algorithm to make it work for
  qcow2 images stored on block devices
- Skip test cases that require zstd when support for it is missing
- Some refactoring in the iotests' meson.build

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# gpg: Signature made Wed 20 Apr 2022 05:33:47 AM PDT
# gpg:                using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
# gpg:                issuer "hreitz@redhat.com"
# gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [undefined]
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* tag 'pull-block-2022-04-20' of https://gitlab.com/hreitz/qemu:
  qcow2: Add errp to rebuild_refcount_structure()
  iotests/108: Test new refcount rebuild algorithm
  qcow2: Improve refcount structure rebuilding
  iotests/303: Check for zstd support
  iotests/065: Check for zstd support
  iotests.py: Add supports_qcow2_zstd_compression()
  tests/qemu-iotests: Move the bash and sanitizer checks to meson.build
  tests/qemu-iotests/meson.build: Improve the indentation

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-20 09:39:33 -07:00
Alex Bennée
caccf59918 tests/guest-debug: better handle gdb crashes
There are a number of GDB's on various distros which fail fairly hard
when attempting to talk to a cross-arch guest. The previous attempt to
catch this was incorrect as the shell will deliver signals as 128+n.
Fix the detection and while we are it improve the logging we dump into
the test output.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reported-by: Gautam Agrawal <gautamnagrawal@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-26-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Alex Bennée
e618e1f9b4 target/i386: fix byte swap issue with XMM register access
During the conversion to the gdb_get_reg128 helpers the high and low
parts of the XMM register where inadvertently swapped. This causes
reads of the register to report the incorrect value to gdb.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/971
Fixes: b7b8756a9c (target/i386: use gdb_get_reg helpers)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-stable@nongnu.org
Message-Id: <20220419091020.3008144-25-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Alex Bennée
f9caa8feea tests/tcg: add missing reference files for float_convs
We might as well include a reference file for i386/x86_64. I was going
to include s390x as well but it's broken hence I raised:

  https://gitlab.com/qemu-project/qemu/-/issues/979.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220419091020.3008144-24-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Alex Bennée
2931014c3d tests/tcg: add float_convd test
This is a simple transliteration of the float_convs test but this time
working with doubles. I'm used it to test the handling of vector
registers in gdbstub but wasn't able to find a non-ugly way to
automate it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-23-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Alex Bennée
9730a27ef4 tests/tcg: remove duplicate sha512-sse case
We already generate the sha512-sse case in the i386 makefile which
works for both i386 and x86_64.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Fixes: f8a4c6d728 ("tests/tcg: add vectorised sha512 versions")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-22-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
a5ed13cd31 tests/tcg: fix non-static build
If linking with -static fails at configure time, -static should not be used
at build time either. Do not include BUILD_STATIC in $config_target_mak.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-18-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-21-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
77162849a6 tests/docker: remove SKIP_DOCKER_BUILD
It is now unused.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-17-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-20-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
544f4a2578 tests/tcg: isolate from QEMU's config-host.mak
Do not include variables for the QEMU's own compiler, as they
are not necessarily related to the cross compiler used for tests/tcg.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-16-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-19-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
eebf199c09 tests/tcg: invoke Makefile.target directly from QEMU's makefile
Build the "docker.py cc" invocation directly in tests/tcg/configure.sh, and
remove the Makefile.qemu wrapper around Makefile.target.  The config-*.mak
files now include the actual variables used when building the tests, rather
than the CROSS_* variables that Makefile.qemu used to "translate".

This is a first step towards generalizing the cross-compilation infrastructure
so that it can be used for firmware as well.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-15-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-18-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
5377a10001 tests/tcg: list test targets in Makefile.prereqs
Omit the rules altogether for targets that do not have a compiler.
Makefile.qemu now is only invoked if the tests are actually built/run.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-14-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-17-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
f2d5935145 tests/tcg: prepare Makefile.prereqs at configure time
List the dependencies of the build-tcg-tests-* and run-tcg-tests-*
targets in a Makefile fragment, without going through Makefile.prereqs's
"parsing" of config-*.mak.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-13-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-16-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
8e61ecca4a tests/tcg: remove CONFIG_USER_ONLY from config-target.mak
Just check the target name instead.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-12-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-15-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
3996dab2be tests/tcg: remove CONFIG_LINUX_USER from config-target.mak
Just check the target name instead.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220401141326.1244422-11-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-14-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
f084839aba tests/tcg: add compiler test variables when using containers
Even for container-based cross compilation use $(CROSS_CC_HAS_*) variables.
This makes the TCG test makefiles oblivious of whether the compiler is
invoked through a container or not.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220401141326.1244422-10-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-13-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
426045aed8 tests/docker: do not duplicate rules for hexagon-cross
The commands for docker-image-debian-hexagon-cross are the same as those
in debian-toolchain-run, just with a nonstandard path to build-toolchain.sh.
Reuse the definition by renaming the debian-hexagon-cross.docker.d directory.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-9-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-12-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
d39eaa2266 tests/docker: simplify docker-TEST@IMAGE targets
No need to go through the shell when we already have the test and images at
the point where the targets are declared.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-8-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-11-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
bbb5ba8633 tests/docker: remove unnecessary filtering of $(DOCKER_IMAGES)
Now that DOCKER_IMAGES is only defined after DOCKER_VIRTUAL_IMAGES is
complete, there is no need to re-filter DOCKER_IMAGES against it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-7-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-10-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
79bd3ae9d3 tests/docker: inline variable definitions or move close to use
Variables that are defined with ":=" are handled imperatively, so moving
them closer to the first use ensures that all the assignments prior to
the first use are taken into account.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-6-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-9-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
1d64909543 tests/docker: remove unnecessary default definitions
The definition of DOCKER_IMAGES and DOCKER_TESTS copes already with an
empty value of $(IMAGES) and $(TESTS), no need to force them to "%" if
undefined.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-5-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-8-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
681b685571 tests/docker: remove dead variable
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220401141326.1244422-4-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-7-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
28766b9eb4 tests/docker: remove test targets
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220401141326.1244422-3-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-6-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Paolo Bonzini
42ae4b0ef4 tests/docker: remove dead code for linux-user containers
debian-powerpc-user-cross was the only linux-user powered cross builder
and it was removed in commit 80394ccf21 ("tests/docker: remove
debian-powerpc-user-cross", 2019-09-26). Remove all the infrastructure
around it since it is now unused.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220401141326.1244422-2-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-5-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Alex Bennée
ab20edf59d docs/devel: drop :hidden: and :includehidden: tags
This was confusing and in the case of qtest was hiding the details of
the qgraph sub-document in the qtest pages.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-4-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Alex Bennée
396408ee92 docs/devel: add some notes on the binfmt-image-debian targets
We document some of this on the wiki but lets move it into our
official developer notes documentation.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-3-alex.bennee@linaro.org>
2022-04-20 16:04:20 +01:00
Alex Bennée
11593544df tests/avocado: update aarch64_virt test to exercise -cpu max
The Fedora 29 kernel is quite old and importantly fails when running
in LPA2 scenarios. As it's not really exercising much of the CPU space
replace it with a custom 5.16.12 kernel with all the architecture
options turned on. There is a minimal buildroot initramfs included in
the kernel which has a few tools for stress testing the memory
subsystem. The userspace also targets the Neoverse N1 processor so
would fail with a v8.0 cpu like cortex-a53.

While we are at it move the test into its own file so it can have an
assigned maintainer.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220419091020.3008144-2-alex.bennee@linaro.org>
2022-04-20 16:04:16 +01:00
Richard Henderson
591e7bb5fd * Drop perl-Test-Harness from the CI containers / VMs
* Some qtest fixes
 * Convert ccid doc to restructuredText
 * Add compat machines for 7.1
 * Allow overwrite smp and memory size in avocado tests
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Merge tag 'pull-request-2022-04-20' of https://gitlab.com/thuth/qemu into staging

* Drop perl-Test-Harness from the CI containers / VMs
* Some qtest fixes
* Convert ccid doc to restructuredText
* Add compat machines for 7.1
* Allow overwrite smp and memory size in avocado tests

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# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [undefined]
# 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: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-04-20' of https://gitlab.com/thuth/qemu:
  tests/avocado: Allow overwrite smp and memory size command line options
  hw: Add compat machines for 7.1
  docs/ccid: convert to restructuredText
  tests/qtest: properly initialise the vring used idx
  tests/qtest: Move the fuzz tests to x86 only
  tests/qtest: Enable more tests for the "mipsel" target
  tests: Drop perl-Test-Harness from the CI containers / VMs

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-20 07:08:09 -07:00
Hanna Reitz
0423f75351 qcow2: Add errp to rebuild_refcount_structure()
Instead of fprint()-ing error messages in rebuild_refcount_structure()
and its rebuild_refcounts_write_refblocks() helper, pass them through an
Error object to qcow2_check_refcounts() (which will then print it).

Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220405134652.19278-4-hreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2022-04-20 12:09:17 +02:00
Hanna Reitz
9ffd6d646d iotests/108: Test new refcount rebuild algorithm
One clear problem with how qcow2's refcount structure rebuild algorithm
used to be before "qcow2: Improve refcount structure rebuilding" was
that it is prone to failure for qcow2 images on block devices: There is
generally unused space after the actual image, and if that exceeds what
one refblock covers, the old algorithm would invariably write the
reftable past the block device's end, which cannot work.  The new
algorithm does not have this problem.

Test it with three tests:
(1) Create an image with more empty space at the end than what one
    refblock covers, see whether rebuilding the refcount structures
    results in a change in the image file length.  (It should not.)

(2) Leave precisely enough space somewhere at the beginning of the image
    for the new reftable (and the refblock for that place), see whether
    the new algorithm puts the reftable there.  (It should.)

(3) Test the original problem: Create (something like) a block device
    with a fixed size, then create a qcow2 image in there, write some
    data, and then have qemu-img check rebuild the refcount structures.
    Before HEAD^, the reftable would have been written past the image
    file end, i.e. outside of what the block device provides, which
    cannot work.  HEAD^ should have fixed that.
    ("Something like a block device" means a loop device if we can use
    one ("sudo -n losetup" works), or a FUSE block export with
    growable=false otherwise.)

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220405134652.19278-3-hreitz@redhat.com>
2022-04-20 12:09:17 +02:00
Hanna Reitz
a8c07ec287 qcow2: Improve refcount structure rebuilding
When rebuilding the refcount structures (when qemu-img check -r found
errors with refcount = 0, but reference count > 0), the new refcount
table defaults to being put at the image file end[1].  There is no good
reason for that except that it means we will not have to rewrite any
refblocks we already wrote to disk.

Changing the code to rewrite those refblocks is not too difficult,
though, so let us do that.  That is beneficial for images on block
devices, where we cannot really write beyond the end of the image file.

Use this opportunity to add extensive comments to the code, and refactor
it a bit, getting rid of the backwards-jumping goto.

[1] Unless there is something allocated in the area pointed to by the
    last refblock, so we have to write that refblock.  In that case, we
    try to put the reftable in there.

Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1519071
Closes: https://gitlab.com/qemu-project/qemu/-/issues/941
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220405134652.19278-2-hreitz@redhat.com>
2022-04-20 10:14:28 +02:00
Hanna Reitz
32911369fe iotests/303: Check for zstd support
303 runs two test cases, one of which requires zstd support.
Unfortunately, given that this is not a unittest-style test, we cannot
easily skip that single case, and instead can only skip the whole test.

(Alternatively, we could split this test into a zlib and a zstd part,
but that seems excessive, given that this test is not in auto and thus
likely only run by developers who have zstd support compiled in.)

Fixes: 677e0bae68 ("iotest 303: explicit compression type")
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <v.sementsov-og@mail.ru>
Message-Id: <20220323105522.53660-4-hreitz@redhat.com>
2022-04-20 10:14:08 +02:00
Hanna Reitz
7253a57007 iotests/065: Check for zstd support
Some test cases run in iotest 065 want to run with zstd compression just
for added coverage.  Run them with zlib if there is no zstd support
compiled in.

Reported-by: Thomas Huth <thuth@redhat.com>
Fixes: 12a936171d ("iotest 065: explicit compression type")
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220323105522.53660-3-hreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <v.sementsov-og@mail.ru>
2022-04-20 10:14:05 +02:00
Hanna Reitz
9ba271f0c7 iotests.py: Add supports_qcow2_zstd_compression()
Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220323105522.53660-2-hreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <v.sementsov-og@mail.ru>
2022-04-20 10:13:31 +02:00
Thomas Huth
2cf6a4e344 tests/qemu-iotests: Move the bash and sanitizer checks to meson.build
We want to get rid of check-block.sh in the long run, so let's move
the checks for the bash version and sanitizers from check-block.sh
into the meson.build file instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220223093840.2515281-4-thuth@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-20 09:46:54 +02:00
Thomas Huth
f1f8af238b tests/qemu-iotests/meson.build: Improve the indentation
By using subdir_done(), we can get rid of one level of indentation
in this file. This will make it easier to add more conditions to
skip the iotests in future patches.

Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220223093840.2515281-3-thuth@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2022-04-20 09:46:54 +02:00
Ahmed Abouzied
41663beda5 tests/avocado: Allow overwrite smp and memory size command line options
Removes the hard-coded values in setUp(). Class inheriting from
avocado_qemu.LinuxTest can overwrite the default smp and memory instead.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/453
Signed-off-by: Ahmed Abouzied <email@aabouzied.com>
Message-Id: <20210802222257.50946-1-email@aabouzied.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-20 09:44:29 +02:00
Cornelia Huck
0ca703662e hw: Add compat machines for 7.1
Add 7.1 machine types for arm/i440fx/m68k/q35/s390x/spapr.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20220316145521.1224083-1-cohuck@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-20 09:36:24 +02:00
Lucas Ramage
4667619269 docs/ccid: convert to restructuredText
Buglink: https://gitlab.com/qemu-project/qemu/-/issues/527
Signed-off-by: Lucas Ramage <lucas.ramage@infinite-omicron.com>
Message-Id: <20220405142906.21382-1-oxr463@gmx.us>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
[thuth: Added some cosmetic fixes]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-20 09:25:10 +02:00
Alex Bennée
5b4f72f5e8 tests/qtest: properly initialise the vring used idx
Eric noticed while attempting to enable the vhost-user-blk-test for
Aarch64 that that things didn't work unless he put in a dummy
guest_malloc() at the start of the test. Without it
qvirtio_wait_used_elem() would assert when it reads a junk value for
idx resulting in:

  qvirtqueue_get_buf: idx:2401 last_idx:0
  qvirtqueue_get_buf: 0x7ffcb6d3fe74, (nil)
  qvirtio_wait_used_elem: 3000000/0
  ERROR:../../tests/qtest/libqos/virtio.c:226:qvirtio_wait_used_elem: assertion failed (got_desc_idx == desc_idx): (50331648 == 0)
  Bail out! ERROR:../../tests/qtest/libqos/virtio.c:226:qvirtio_wait_used_elem: assertion failed (got_desc_idx == desc_idx): (50331648 == 0)

What was actually happening is the guest_malloc() effectively pushed
the allocation of the vring into the next page which just happened to
have clear memory. After much tedious tracing of the code I could see
that qvring_init() does attempt initialise a bunch of the vring
structures but skips the vring->used.idx value. It is probably not
wise to assume guest memory is zeroed anyway. Once the ring is
properly initialised the hack is no longer needed to get things
working.

Thanks-to: John Snow <jsnow@redhat.com> for helping debug
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220406173356.1891500-1-alex.bennee@linaro.org>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-20 09:01:21 +02:00
Thomas Huth
b911c30c56 tests/qtest: Move the fuzz tests to x86 only
The fuzz tests are currently scheduled for all targets, but their setup
code limits the run to "i386", so that these tests always show "SKIP"
on other targets. Move it to the right x86 list in meson.build, then
we can drop the architecture check during runtime, too.

Message-Id: <20220414130127.719528-1-thuth@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-20 08:59:04 +02:00
Thomas Huth
2051658061 tests/qtest: Enable more tests for the "mipsel" target
Allow the same set of tests for all MIPS targets, so that "mipsel"
now gets some additional test coverage, too. While we're at it,
simplify the definitions for qtests_mips64 and qtests_mips64el.

Message-Id: <20220414114655.604391-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-20 08:54:39 +02:00
Thomas Huth
b0dd0a3d74 tests: Drop perl-Test-Harness from the CI containers / VMs
The perl test harness is not necessary anymore since commit 3d2f73ef75
("build: use "meson test" as the test harness"). Thus remove it from
tests/lcitool/projects/qemu.yml, run "make lcitool-refresh" and manually
clean the remaining docker / vm files that are not managed by lcitool yet.

Message-Id: <20220329102808.423681-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-04-20 08:54:16 +02:00
Richard Henderson
1be5a765c0 * Add cpu0-id to query-sev-capabilities
* whpx support for breakpoints and stepping
 * initial support for Hyper-V Synthetic Debugging
 * use monotonic clock for QemuCond and QemuSemaphore
 * Remove qemu-common.h include from most units and lots of other clenaups
 * do not include headers for all virtio devices in virtio-ccw.h
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Add cpu0-id to query-sev-capabilities
* whpx support for breakpoints and stepping
* initial support for Hyper-V Synthetic Debugging
* use monotonic clock for QemuCond and QemuSemaphore
* Remove qemu-common.h include from most units and lots of other clenaups
* do not include headers for all virtio devices in virtio-ccw.h

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# gpg: Signature made Wed 13 Apr 2022 10:31:44 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
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#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (53 commits)
  target/i386: Remove unused XMMReg, YMMReg types and CPUState fields
  target/i386: do not access beyond the low 128 bits of SSE registers
  virtio-ccw: do not include headers for all virtio devices
  virtio-ccw: move device type declarations to .c files
  virtio-ccw: move vhost_ccw_scsi to a separate file
  s390x: follow qdev tree to detect SCSI device on a CCW bus
  hw: hyperv: Initial commit for Synthetic Debugging device
  hyperv: Add support to process syndbg commands
  hyperv: Add definitions for syndbg
  hyperv: SControl is optional to enable SynIc
  thread-posix: optimize qemu_sem_timedwait with zero timeout
  thread-posix: implement Semaphore with QemuCond and QemuMutex
  thread-posix: use monotonic clock for QemuCond and QemuSemaphore
  thread-posix: remove the posix semaphore support
  whpx: Added support for breakpoints and stepping
  build-sys: simplify AF_VSOCK check
  build-sys: drop ntddscsi.h check
  Remove qemu-common.h include from most units
  qga: remove explicit environ argument from exec/spawn
  Move fcntl_setfl() to oslib-posix
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-19 18:22:16 -07:00
Richard Henderson
3202995c13 Open 7.1 development tree
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-04-19 18:21:23 -07:00
Peter Maydell
823a3f11fb Update version for v7.0.0 release
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-04-19 18:44:36 +01:00