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106233 commits

Author SHA1 Message Date
Jean-Christophe Dubois f6020845e2 Add i.MX6UL missing devices.
* Add TZASC as unimplemented device.
  - Allow bare metal application to access this (unimplemented) device
* Add CSU as unimplemented device.
  - Allow bare metal application to access this (unimplemented) device
* Add 4 missing PWM devices

Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 59e4dc56e14eccfefd379275ec19048dff9c10b3.1692964892.git.jcd@tribudubois.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:16 +01:00
Jean-Christophe Dubois 0cd4926b85 Refactor i.MX6UL processor code
* Add Addr and size definition for most i.MX6UL devices in i.MX6UL header file.
* Use those newly defined named constants whenever possible.
* Standardize the way we init a familly of unimplemented devices
  - SAI
  - PWM
  - CAN
* Add/rework few comments

Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: d579043fbd4e4b490370783fda43fc02c8e9be75.1692964892.git.jcd@tribudubois.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:16 +01:00
Jean-Christophe Dubois 6f97cfd8e0 Remove i.MX7 IOMUX GPR device from i.MX6UL
i.MX7 IOMUX GPR device is not equivalent to i.MX6UL IOMUXC GPR device.
In particular, register 22 is not present on i.MX6UL and this is actualy
The only register that is really emulated in the i.MX7 IOMUX GPR device.

Note: The i.MX6UL code is actually also implementing the IOMUX GPR device
as an unimplemented device at the same bus adress and the 2 instantiations
were actualy colliding. So we go back to the unimplemented device for now.

Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: 48681bf51ee97646479bb261bee19abebbc8074e.1692964892.git.jcd@tribudubois.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:16 +01:00
Alex Bennée 9e771a2fc6 target/arm: properly document FEAT_CRC32
This is a mandatory feature for Armv8.1 architectures but we don't
state the feature clearly in our emulation list. Also include
FEAT_CRC32 comment in aarch64_max_tcg_initfn for ease of grepping.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230824075406.1515566-1-alex.bennee@linaro.org
Cc: qemu-stable@nongnu.org
Message-Id: <20230222110104.3996971-1-alex.bennee@linaro.org>
[PMM: pluralize 'instructions' in docs]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:16 +01:00
Richard Henderson df9a391757 target/arm: Implement FEAT_HPDS2 as a no-op
This feature allows the operating system to set TCR_ELx.HWU*
to allow the implementation to use the PBHA bits from the
block and page descriptors for for IMPLEMENTATION DEFINED
purposes.  Since QEMU has no need to use these bits, we may
simply ignore them.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:16 +01:00
Richard Henderson 3d5f45ec89 target/arm: Suppress FEAT_TRBE (Trace Buffer Extension)
Like FEAT_TRF (Self-hosted Trace Extension), suppress tracing
external to the cpu, which is out of scope for QEMU.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:16 +01:00
Richard Henderson 87da10b45c target/arm: Apply access checks to neoverse-v1 special registers
There is only one additional EL1 register modeled, which
also needs to use access_actlr_w.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:15 +01:00
Richard Henderson 6d482423fc target/arm: Apply access checks to neoverse-n1 special registers
Access to many of the special registers is enabled or disabled
by ACTLR_EL[23], which we implement as constant 0, which means
that all writes outside EL3 should trap.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:15 +01:00
Richard Henderson d8100822d6 target/arm: Introduce make_ccsidr64
Do not hard-code the constants for Neoverse V1.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:15 +01:00
Richard Henderson cd305b5f31 target/arm: When tag memory is not present, set MTE=1
When the cpu support MTE, but the system does not, reduce cpu
support to user instructions at EL0 instead of completely
disabling MTE.  If we encounter a cpu implementation which does
something else, we can revisit this setting.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:15 +01:00
Richard Henderson 7134cb07b7 target/arm: Support more GM blocksizes
Support all of the easy GM block sizes.
Use direct memory operations, since the pointers are aligned.

While BS=2 (16 bytes, 1 tag) is a legal setting, that requires
an atomic store of one nibble.  This is not difficult, but there
is also no point in supporting it until required.

Note that cortex-a710 sets GM blocksize to match its cacheline
size of 64 bytes.  I expect many implementations will also
match the cacheline, which makes 16 bytes very unlikely.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230811214031.171020-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:14 +01:00
Richard Henderson 851ec6eba5 target/arm: Allow cpu to configure GM blocksize
Previously we hard-coded the blocksize with GMID_EL1_BS.
But the value we choose for -cpu max does not match the
value that cortex-a710 uses.

Mirror the way we handle dcz_blocksize.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230811214031.171020-3-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:14 +01:00
Richard Henderson ae4acc696f target/arm: Reduce dcz_blocksize to uint8_t
This value is only 4 bits wide.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230811214031.171020-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-31 09:45:14 +01:00
Oleksandr Tyshchenko 560142190b xen_arm: Initialize RAM and add hi/low memory regions
In order to use virtio backends we need to initialize RAM for the
xen-mapcache (which is responsible for mapping guest memory using foreign
mapping) to work. Calculate and add hi/low memory regions based on
machine->ram_size.

Use the constants defined in public header arch-arm.h to be aligned with the xen
toolstack.

While using this machine, the toolstack should then pass real ram_size using
"-m" arg. If "-m" is not given, create a QEMU machine without IOREQ and other
emulated devices like TPM and VIRTIO. This is done to keep this QEMU machine
usable for /etc/init.d/xencommons.

Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
2023-08-30 18:23:08 -07:00
Oleksandr Tyshchenko 0c8ab1cddd xen_arm: Create virtio-mmio devices during initialization
In order to use virtio backends we need to allocate virtio-mmio
parameters (irq and base) and register corresponding buses.

Use the constants defined in public header arch-arm.h to be
aligned with the toolstack. So the number of current supported
virtio-mmio devices is 10.

For the interrupts triggering use already existing on Arm
device-model hypercall.

The toolstack should then insert the same amount of device nodes
into guest device-tree.

Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
2023-08-30 18:23:07 -07:00
Warner Losh 8a45962be3 bsd-user: Move PRAGMA_DISABLE_PACKED_WARNING etc to qemu.h
For the moment, move PRAGMA_DISABLE_PACKED_WARNING and
PRAGMA_ENABLE_PACKED_WARNING back to bsd-user/qemu.h.

Of course, these should be in compiler.h, but that interferes with too
many things at the moment, so take one step back to unbreak clang
linux-user builds first. Use the exact same version that's in
linux-user/qemu.h since that's what should be in compiler.h.

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2023-08-30 08:57:08 -06:00
Alex Bennée 8dd7a4b348 gdbstub: move comment for gdb_register_coprocessor
Use proper kdoc style comments for this API function.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-13-alex.bennee@linaro.org>
2023-08-30 14:57:59 +01:00
Alex Bennée d0e5fa849d gdbstub: replace global gdb_has_xml with a function
Try and make the self reported global hack a little less hackish by
providing a query function instead. As gdb_has_xml was always set if
we negotiated XML we can now use the presence of ->target_xml as the
test instead.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-12-alex.bennee@linaro.org>
2023-08-30 14:57:56 +01:00
Alex Bennée 56e534bd11 gdbstub: refactor get_feature_xml
Try to bring up the code to more modern standards by:

  - use dynamic GString built xml over a fixed buffer
  - use autofree to save on explicit g_free() calls
  - don't hand hack strstr to find the delimiter
  - fix up style of xml_builtin and invert loop

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-11-alex.bennee@linaro.org>
2023-08-30 14:57:56 +01:00
Alex Bennée 5b030993db gdbstub: remove unused user_ctx field
This was always NULL so drop it.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-10-alex.bennee@linaro.org>
2023-08-30 14:57:50 +01:00
Matheus Branco Borella 761e3c1088 gdbstub: fixes cases where wrong threads were reported to GDB on SIGINT
This fix is implemented by having the vCont handler set the value of
`gdbserver_state.c_cpu` if any threads are to be resumed. The specific
CPU picked is arbitrarily from the ones to be resumed, but it should
be okay, as all GDB cares about is that it is a resumed thread.

Signed-off-by: Matheus Branco Borella <dark.ryu.550@gmail.com>
Message-Id: <20230804182633.47300-2-dark.ryu.550@gmail.com>
[AJB: style and whitespace fixes]
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1725
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-9-alex.bennee@linaro.org>
2023-08-30 14:57:50 +01:00
Alex Bennée a8fea70f65 tests/tcg: clean-up gdb confirm/pagination settings
We can do this all in the run-test.py script so remove the extraneous
bits from the individual tests which got copied from the original
non-CI gdb tests.

Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-8-alex.bennee@linaro.org>
2023-08-30 14:57:50 +01:00
Alex Bennée d84842be6c tests: remove test-gdbstub.py
This isn't directly called by our CI and because it doesn't run via
our run-test.py script does things slightly differently. Lets remove
it as we have plenty of working in-tree tests now for various aspects
of gdbstub.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-7-alex.bennee@linaro.org>
2023-08-30 14:57:50 +01:00
Thomas Huth e05a4beaec .gitlab-ci.d/cirrus.yml: Update FreeBSD to v13.2
The FreeBSD CI job started to fail due to linking problems ... time
to update to the latest version to get this fixed.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230823144533.230477-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-6-alex.bennee@linaro.org>
2023-08-30 14:57:50 +01:00
Alex Bennée 4b77429adb docs/style: permit inline loop variables
I've already wasted enough of my time debugging aliased variables in
deeply nested loops. While not scattering variable declarations around
is a good aim I think we can make an exception for stuff used inside a
loop.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-5-alex.bennee@linaro.org>
2023-08-30 14:57:44 +01:00
Alex Bennée bb16cb4519 tests/tcg: remove quoting for info output
This avoids ugly multi-line wrapping for the test on non V=1 builds.

Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-4-alex.bennee@linaro.org>
2023-08-30 14:57:44 +01:00
Alex Bennée 6445c2cace tests/docker: cleanup non-verbose output
Even with --quiet docker will spam the sha256 to the console. Avoid
this by redirecting stdout. While we are at it fix the name we echo
which was broken during 0b1a649047 (tests/docker: use direct RUNC call
to build containers).

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-3-alex.bennee@linaro.org>
2023-08-30 14:57:44 +01:00
Daniel P. Berrangé 2f7350cd43 gitlab: enable ccache for many build jobs
The `ccache` tool can be very effective at reducing compilation times
when re-running pipelines with only minor changes each time. For example
a fresh 'build-system-fedora' job will typically take 20 minutes on the
gitlab.com shared runners. With ccache this is reduced to as little as
6 minutes.

Normally meson would auto-detect existance of ccache in $PATH and use
it automatically, but the way we wrap meson from configure breaks this,
as we're passing in an config file with explicitly set compiler paths.
Thus we need to add $CCACHE_WRAPPERSPATH to the front of $PATH. For
unknown reasons if doing this in msys though, gcc becomes unable to
invoke 'cc1' when run from meson. For msys we thus set CC='ccache gcc'
before invoking 'configure' instead.

A second problem with msys is that cache misses are incredibly
expensive, so enabling ccache massively slows down the build when
the cache isn't well populated. This is suspected to be a result of
the cost of spawning processes under the msys architecture. To deal
with this we set CCACHE_DEPEND=1 which enables ccache's 'depend_only'
strategy. This avoids extra spawning of the pre-processor during
cache misses, with the downside that is it less likely ccache will
find a cache hit after semantically benign compiler flag changes.
This is the lesser of two evils, as otherwise we can't use ccache
at all under msys and remain inside the job time limit.

If people are finding ccache to hurt their pipelines, it can be
disabled by setting the 'CCACHE_DISABLE=1' env variable against
their gitlab fork CI settings.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230804111054.281802-2-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-2-alex.bennee@linaro.org>
2023-08-30 14:57:33 +01:00
Stefan Hajnoczi 156618d9ea Pull request
v3:
 - Drop UFS emulation due to CI failures
 - Add "aio-posix: zero out io_uring sqe user_data"
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

v3:
- Drop UFS emulation due to CI failures
- Add "aio-posix: zero out io_uring sqe user_data"

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# gpg: Signature made Wed 30 Aug 2023 07:48:17 EDT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  aio-posix: zero out io_uring sqe user_data
  tests/qemu-iotests/197: add testcase for CoR with subclusters
  block/io: align requests to subcluster_size
  block: add subcluster_size field to BlockDriverInfo
  block-migration: Ensure we don't crash during migration cleanup

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-30 09:20:27 -04:00
Stefan Hajnoczi ee89152d41 Dirtylimit and dirtyrate 20230829 patches PULL request
Correct memory leaks in dirtylimit and accuracy losses in
 dirtyrate, respectively; make minor corrections to overshoot
 and memory deallocation.
 
 This is v3 with a signed tag. Please apply.
 
 Thanks, Yong.
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Merge tag 'dirtylimit-dirtyrate-pull-request' of https://github.com/newfriday/qemu into staging

Dirtylimit and dirtyrate 20230829 patches PULL request

Correct memory leaks in dirtylimit and accuracy losses in
dirtyrate, respectively; make minor corrections to overshoot
and memory deallocation.

This is v3 with a signed tag. Please apply.

Thanks, Yong.

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* tag 'dirtylimit-dirtyrate-pull-request' of https://github.com/newfriday/qemu:
  migration/dirtyrate: Fix precision losses and g_usleep overshoot
  softmmu/dirtylimit: Convert free to g_free
  softmmu: Fix dirtylimit memory leak

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-30 09:20:06 -04:00
Stefan Hajnoczi ef9d20c63b softmmu: Use async_run_on_cpu in tcg_commit
tcg: Remove vecop_list check from tcg_gen_not_vec
 tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32
 Revert "include/exec: typedef abi_ptr to vaddr in softmmu"
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Merge tag 'pull-tcg-20230829-2' of https://gitlab.com/rth7680/qemu into staging

softmmu: Use async_run_on_cpu in tcg_commit
tcg: Remove vecop_list check from tcg_gen_not_vec
tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32
Revert "include/exec: typedef abi_ptr to vaddr in softmmu"

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# gpg: Signature made Tue 29 Aug 2023 14:32:38 EDT
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* tag 'pull-tcg-20230829-2' of https://gitlab.com/rth7680/qemu:
  Revert "include/exec: typedef abi_ptr to vaddr in softmmu"
  tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32
  tcg: Remove vecop_list check from tcg_gen_not_vec
  softmmu: Use async_run_on_cpu in tcg_commit
  softmmu: Assert data in bounds in iotlb_to_section

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-30 09:19:57 -04:00
Stefan Hajnoczi 87ec6f55af aio-posix: zero out io_uring sqe user_data
liburing does not clear sqe->user_data. We must do it ourselves to avoid
undefined behavior in process_cqe() when user_data is used.

Note that fdmon-io_uring is currently disabled, so this is a latent bug
that does not affect users. Let's merge this fix now to make it easier
to enable fdmon-io_uring in the future (and I'm working on that).

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230426212639.82310-1-stefanha@redhat.com>
2023-08-30 07:39:59 -04:00
Andrey Drobyshev e2f938265e tests/qemu-iotests/197: add testcase for CoR with subclusters
Add testcase which checks that allocations during copy-on-read are
performed on the subcluster basis when subclusters are enabled in target
image.

This testcase also triggers the following assert with previous commit
not being applied, so we check that as well:

qemu-io: ../block/io.c:1236: bdrv_co_do_copy_on_readv: Assertion `skip_bytes < pnum' failed.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230711172553.234055-4-andrey.drobyshev@virtuozzo.com>
2023-08-30 07:39:10 -04:00
Andrey Drobyshev fc6b211f92 block/io: align requests to subcluster_size
When target image is using subclusters, and we align the request during
copy-on-read, it makes sense to align to subcluster_size rather than
cluster_size.  Otherwise we end up with unnecessary allocations.

This commit renames bdrv_round_to_clusters() to bdrv_round_to_subclusters()
and utilizes subcluster_size field of BlockDriverInfo to make necessary
alignments.  It affects copy-on-read as well as mirror job (which is
using bdrv_round_to_clusters()).

This change also fixes the following bug with failing assert (covered by
the test in the subsequent commit):

qemu-img create -f qcow2 base.qcow2 64K
qemu-img create -f qcow2 -o extended_l2=on,backing_file=base.qcow2,backing_fmt=qcow2 img.qcow2 64K
qemu-io -c "write -P 0xaa 0 2K" img.qcow2
qemu-io -C -c "read -P 0x00 2K 62K" img.qcow2

qemu-io: ../block/io.c:1236: bdrv_co_do_copy_on_readv: Assertion `skip_bytes < pnum' failed.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230711172553.234055-3-andrey.drobyshev@virtuozzo.com>
2023-08-30 07:39:10 -04:00
Andrey Drobyshev c54483b6f4 block: add subcluster_size field to BlockDriverInfo
This is going to be used in the subsequent commit as requests alignment
(in particular, during copy-on-read).  This value only makes sense for
the formats which support subclusters (currently QCOW2 only).  If this
field isn't set by driver's own bdrv_get_info() implementation, we
simply set it equal to the cluster size thus treating each cluster as
having a single subcluster.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230711172553.234055-2-andrey.drobyshev@virtuozzo.com>
2023-08-30 07:39:10 -04:00
Fabiano Rosas f187609f27 block-migration: Ensure we don't crash during migration cleanup
We can fail the blk_insert_bs() at init_blk_migration(), leaving the
BlkMigDevState without a dirty_bitmap and BlockDriverState. Account
for the possibly missing elements when doing cleanup.

Fix the following crashes:

Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
0x0000555555ec83ef in bdrv_release_dirty_bitmap (bitmap=0x0) at ../block/dirty-bitmap.c:359
359         BlockDriverState *bs = bitmap->bs;
 #0  0x0000555555ec83ef in bdrv_release_dirty_bitmap (bitmap=0x0) at ../block/dirty-bitmap.c:359
 #1  0x0000555555bba331 in unset_dirty_tracking () at ../migration/block.c:371
 #2  0x0000555555bbad98 in block_migration_cleanup_bmds () at ../migration/block.c:681

Thread 1 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
0x0000555555e971ff in bdrv_op_unblock (bs=0x0, op=BLOCK_OP_TYPE_BACKUP_SOURCE, reason=0x0) at ../block.c:7073
7073        QLIST_FOREACH_SAFE(blocker, &bs->op_blockers[op], list, next) {
 #0  0x0000555555e971ff in bdrv_op_unblock (bs=0x0, op=BLOCK_OP_TYPE_BACKUP_SOURCE, reason=0x0) at ../block.c:7073
 #1  0x0000555555e9734a in bdrv_op_unblock_all (bs=0x0, reason=0x0) at ../block.c:7095
 #2  0x0000555555bbae13 in block_migration_cleanup_bmds () at ../migration/block.c:690

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-id: 20230731203338.27581-1-farosas@suse.de
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-30 07:39:10 -04:00
Richard Henderson 669fd61513 Revert "include/exec: typedef abi_ptr to vaddr in softmmu"
This reverts commit fc15bfb6a6.

This patch caused a regression for tricore-softmmu,
./tests/tcg/tricore-softmmu/test_boot_to_main.c.tst.

Reported-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-29 11:30:33 -07:00
Richard Henderson dad2f2f5af tcg/sparc64: Disable TCG_TARGET_HAS_extr_i64_i32
Since a59a293126 ("tcg/sparc64: Remove sparc32plus constraints")
we no longer distinguish registers with 32 vs 64 bits.
Therefore we can remove support for the backend-specific
type change opcodes.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-29 09:57:39 -07:00
Richard Henderson 77fafcb500 tcg: Remove vecop_list check from tcg_gen_not_vec
The not pattern is always available via generic expansion.
See debug block in tcg_can_emit_vecop_list.

Fixes: 11978f6f58 ("tcg: Fix expansion of INDEX_op_not_vec")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-29 09:57:39 -07:00
Richard Henderson 0d58c66068 softmmu: Use async_run_on_cpu in tcg_commit
After system startup, run the update to memory_dispatch
and the tlb_flush on the cpu.  This eliminates a race,
wherein a running cpu sees the memory_dispatch change
but has not yet seen the tlb_flush.

Since the update now happens on the cpu, we need not use
qatomic_rcu_read to protect the read of memory_dispatch.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1826
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1834
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1846
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-29 09:55:06 -07:00
Richard Henderson 86e4f93d82 softmmu: Assert data in bounds in iotlb_to_section
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-29 09:55:06 -07:00
Stefan Hajnoczi 813bac3d8d Pull request for bsd-user 2023 Q3 (first batch)
First batch of commits submitted by my GSoC student Karim Taha
 
 These implement	the stat, statfs, statfh and dirents system calls.
 
 In addition, fix a missing break statment, and submit Richard Henderson's
 elf stat mmap cleansup.
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Merge tag '2023q3-bsd-user-pull-request' of https://gitlab.com/bsdimp/qemu into staging

Pull request for bsd-user 2023 Q3 (first batch)

First batch of commits submitted by my GSoC student Karim Taha

These implement	the stat, statfs, statfh and dirents system calls.

In addition, fix a missing break statment, and submit Richard Henderson's
elf stat mmap cleansup.

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# gpg: Good signature from "Warner Losh <wlosh@netflix.com>" [unknown]
# gpg:                 aka "Warner Losh <imp@bsdimp.com>" [unknown]
# gpg:                 aka "Warner Losh <imp@freebsd.org>" [unknown]
# gpg:                 aka "Warner Losh <imp@village.org>" [unknown]
# gpg:                 aka "Warner Losh <wlosh@bsdimp.com>" [unknown]
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* tag '2023q3-bsd-user-pull-request' of https://gitlab.com/bsdimp/qemu: (36 commits)
  bsd-user: Add missing break after do_bsd_preadv
  bsd-user: Add getdents and fcntl related system calls
  bsd-user: Add glue for statfs related system calls
  bsd-user: Add glue for getfh and related syscalls
  bsd-user: Add glue for the freebsd11_stat syscalls
  bsd-user: Add os-stat.c to the build
  bsd-user: Implement do_freebsd_realpathat syscall
  bsd-user: Implement freebsd11 netbsd stat related syscalls
  bsd-user: Implement freebsd11 getdirents related syscalls
  bsd-user: Implement freebsd11 statfs related syscalls
  bsd-user: Implement freebsd11 fstat and fhstat related syscalls
  bsd-user: Implement freebsd11 stat related syscalls
  bsd-user: Implement stat related syscalls
  bsd-user: Implement getdents related syscalls
  bsd-user: Implement statfs related syscalls
  bsd-user: Implement statfh related syscalls
  bsd-user: Implement stat related syscalls
  bsd-uesr: Implement h2t_freebsd_stat and h2t_freebsd_statfs functions
  bsd-user: Implement target_to_host_fcntl_cmd
  bsd-user: Implement h2t_freebds11_statfs
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-29 08:58:00 -04:00
Andrei Gudkov 3eb82637fb migration/dirtyrate: Fix precision losses and g_usleep overshoot
Signed-off-by: Andrei Gudkov <gudkov.andrei@huawei.com>
Reviewed-by: Hyman Huang <yong.huang@smartx.com>
Message-Id: <8ddb0d40d143f77aab8f602bd494e01e5fa01614.1691161009.git.gudkov.andrei@huawei.com>
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
2023-08-29 10:19:03 +08:00
alloc.young 19b14cea45 softmmu/dirtylimit: Convert free to g_free
Convert free to g_free to match g_new and g_malloc functions.

Fixes: cc2b33eab0 ("softmmu/dirtylimit: Implement vCPU dirtyrate calculation periodically")
Fixes: baa609832e ("softmmu/dirtylimit: Implement virtual CPU throttle")
Signed-off-by: alloc.young <alloc.young@outlook.com>
Reviewed-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <SA1PR11MB67604ECD85AFF34BEB3072F7F5E3A@SA1PR11MB6760.namprd11.prod.outlook.com>
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
2023-08-29 10:19:03 +08:00
alloc.young 58b4def2a2 softmmu: Fix dirtylimit memory leak
Fix memory leak in hmp_info_vcpu_dirty_limit,use g_autoptr
to handle memory deallocation.

Signed-off-by: alloc.young <alloc.young@outlook.com>
Reviewed-by: Hyman Huang <yong.huang@smartx.com>
Message-Id: <SA1PR11MB6760B9AB7EAFBDAFB524ED06F5E3A@SA1PR11MB6760.namprd11.prod.outlook.com>
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
2023-08-29 10:19:03 +08:00
Stefan Hajnoczi f5fe7c17ac accel/*: Widen pc/saved_insn for *_sw_breakpoint
accel/tcg: Replace remaining target_ulong in system-mode accel
 tcg: spelling fixes
 tcg: Document bswap, hswap, wswap byte patterns
 tcg: Introduce negsetcond opcodes
 tcg: Fold deposit with zero to and
 tcg: Unify TCG_TARGET_HAS_extr[lh]_i64_i32
 tcg/i386: Drop BYTEH deposits for 64-bit
 tcg/i386: Allow immediate as input to deposit
 target/*: Use tcg_gen_negsetcond_*
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Merge tag 'pull-tcg-20230823-2' of https://gitlab.com/rth7680/qemu into staging

accel/*: Widen pc/saved_insn for *_sw_breakpoint
accel/tcg: Replace remaining target_ulong in system-mode accel
tcg: spelling fixes
tcg: Document bswap, hswap, wswap byte patterns
tcg: Introduce negsetcond opcodes
tcg: Fold deposit with zero to and
tcg: Unify TCG_TARGET_HAS_extr[lh]_i64_i32
tcg/i386: Drop BYTEH deposits for 64-bit
tcg/i386: Allow immediate as input to deposit
target/*: Use tcg_gen_negsetcond_*

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# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20230823-2' of https://gitlab.com/rth7680/qemu: (48 commits)
  tcg: spelling fixes
  docs/devel/tcg-ops: fix missing newlines in "Host vector operations"
  target/cris: Fix a typo in gen_swapr()
  tcg/tcg-op: Document wswap_i64() byte pattern
  tcg/tcg-op: Document hswap_i32/64() byte pattern
  tcg/tcg-op: Document bswap64_i64() byte pattern
  tcg/tcg-op: Document bswap32_i64() byte pattern
  tcg/tcg-op: Document bswap32_i32() byte pattern
  tcg/tcg-op: Document bswap16_i64() byte pattern
  tcg/tcg-op: Document bswap16_i32() byte pattern
  tcg/i386: Implement negsetcond_*
  tcg/i386: Use shift in tcg_out_setcond
  tcg/i386: Clear dest first in tcg_out_setcond if possible
  tcg/i386: Use CMP+SBB in tcg_out_setcond
  tcg/i386: Merge tcg_out_movcond{32,64}
  tcg/i386: Merge tcg_out_setcond{32,64}
  tcg/i386: Merge tcg_out_brcond{32,64}
  tcg/sparc64: Implement negsetcond_*
  tcg/s390x: Implement negsetcond_*
  tcg/riscv: Implement negsetcond_*
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-28 16:07:04 -04:00
Stefan Hajnoczi eaf760ac0d * separate accepted and auto-installed versions of Python dependencies
* bump tricore container to Debian 11
 * small configure cleanups
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* separate accepted and auto-installed versions of Python dependencies
* bump tricore container to Debian 11
* small configure cleanups

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# gpg: Signature made Mon 28 Aug 2023 05:22:38 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  configure: remove unnecessary mkdir -p
  configure: fix container_hosts misspellings and duplications
  target/i386: add support for VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE
  tests/docker: add python3-tomli dependency to containers
  Revert "tests: Use separate virtual environment for avocado"
  configure: switch to ensuregroup
  python: use vendored tomli
  configure: never use PyPI for Meson
  lcitool: bump libvirt-ci submodule and regenerate
  python: mkvenv: add ensuregroup command
  python: mkvenv: introduce TOML-like representation of dependencies
  python: mkvenv: tweak the matching of --diagnose to depspecs
  dockerfiles: bump tricore cross compiler container to Debian 11
  configure: fix and complete detection of tricore tools

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-28 15:53:30 -04:00
Stefan Hajnoczi 98bdf241be target/hppa: Clean up conversion from/to MMU index and privilege level
Make the conversion between privilege level and QEMU MMU index
 consistent, and afterwards switch to MMU indices 11-15.
 
 Signed-off-by: Helge Deller <deller@gmx.de>
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Merge tag 'devel-hppa-priv-cleanup2-pull-request' of https://github.com/hdeller/qemu-hppa into staging

target/hppa: Clean up conversion from/to MMU index and privilege level

Make the conversion between privilege level and QEMU MMU index
consistent, and afterwards switch to MMU indices 11-15.

Signed-off-by: Helge Deller <deller@gmx.de>

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# gpg: Signature made Sun 27 Aug 2023 11:17:40 EDT
# gpg:                using EDDSA key BCE9123E1AD29F07C049BBDEF712B510A23A0F5F
# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
# gpg:                 aka "Helge Deller <deller@kernel.org>" [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: 4544 8228 2CD9 10DB EF3D  25F8 3E5F 3D04 A7A2 4603
#      Subkey fingerprint: BCE9 123E 1AD2 9F07 C049  BBDE F712 B510 A23A 0F5F

* tag 'devel-hppa-priv-cleanup2-pull-request' of https://github.com/hdeller/qemu-hppa:
  target/hppa: Switch to use MMU indices 11-15
  target/hppa: Use privilege helper in hppa_get_physical_address()
  target/hppa: Do not use hardcoded value for tlb_flush_*()
  target/hppa: Add privilege to MMU index conversion helpers
  target/hppa: Add missing PL1 and PL2 privilege levels

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-08-28 15:12:01 -04:00
Warner Losh f51e7c41ac bsd-user: Add missing break after do_bsd_preadv
Without it, we'd call preadv, then write with weird parameters, which is
clearly not ideal...

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Fixes: 770d8abae7 ("bsd-user/bsd-file.h: Meat of the write system calls")
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230820045419.89691-1-imp@bsdimp.com>
2023-08-28 12:16:18 -06:00
Warner Losh 97a3c57114 bsd-user: Add getdents and fcntl related system calls
Add glue to call the following syscalls to the freebsd_syscall:

freebsd11_getdents
getdirentries
freebsd11_getdirentries
fcntl

Signed-off-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
2023-08-28 12:16:18 -06:00