Commit graph

717 commits

Author SHA1 Message Date
Daniel P. Berrangé
407bc4bf90 qapi: Move include/qapi/qmp/ to include/qobject/
The general expectation is that header files should follow the same
file/path naming scheme as the corresponding source file. There are
various historical exceptions to this practice in QEMU, with one of
the most notable being the include/qapi/qmp/ directory. Most of the
headers there correspond to source files in qobject/.

This patch corrects most of that inconsistency by creating
include/qobject/ and moving the headers for qobject/ there.

This also fixes MAINTAINERS for include/qapi/qmp/dispatch.h:
scripts/get_maintainer.pl now reports "QAPI" instead of "No
maintainers found".

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com> #s390x
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241118151235.2665921-2-armbru@redhat.com>
[Rebased]
2025-02-10 15:33:16 +01:00
Stefan Hajnoczi
e60938852f * Convert more avocado tests to the functional framework
* Fix the broken aarch64_tcg_plugins test
 * Add test for 64-bit mac99 machine
 * Add a Linux-based test for the 40p machine
 * Fix issues with record/replay of some s390x instructions
 * Fix node.js crashes on emulated s390x due to a bug in the MVC instruction
 * Enable virtio-balloon-pci and virtio-mem-pci on s390x
 * Fix a libslirp v4.9.0 compilation problem
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Merge tag 'pull-request-2025-01-30' of https://gitlab.com/thuth/qemu into staging

* Convert more avocado tests to the functional framework
* Fix the broken aarch64_tcg_plugins test
* Add test for 64-bit mac99 machine
* Add a Linux-based test for the 40p machine
* Fix issues with record/replay of some s390x instructions
* Fix node.js crashes on emulated s390x due to a bug in the MVC instruction
* Enable virtio-balloon-pci and virtio-mem-pci on s390x
* Fix a libslirp v4.9.0 compilation problem

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# gpg: Signature made Thu 30 Jan 2025 08:13:38 EST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# 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]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2025-01-30' of https://gitlab.com/thuth/qemu:
  net/slirp: libslirp 4.9.0 compatibility
  tests/functional/test_mips_malta: Convert the mips big endian replay tests
  tests/functional/test_mips64el_malta: Convert the mips64el replay tests
  tests/functional/test_mipsel_malta: Convert the mipsel replay tests
  tests/functional: Add the ReplayKernelBase class
  tests/functional: Add a decorator for skipping long running tests
  tests/functional: Extend PPC 40p test with Linux boot
  s390x/s390-virtio-ccw: Support plugging PCI-based virtio memory devices
  virtio-mem-pci: Allow setting nvectors, so we can use MSI-X
  virtio-balloon-pci: Allow setting nvectors, so we can use MSI-X
  hw/s390x/s390-virtio-ccw: Fix a record/replay deadlock
  tests/tcg/s390x: Test modifying code using the MVC instruction
  target/s390x: Fix MVC not always invalidating translation blocks
  target/s390x: Fix PPNO execution with icount
  tests/functional/test_mips_malta: Fix comment about endianness of the test
  tests/functional: Add a ppc64 mac99 test
  tests/functional: Fix the aarch64_tcg_plugins test
  tests/functional: Convert the migration avocado test
  tests/functional: Fix broken decorators with lamda functions
  tests/functional/qemu_test/decorators: Fix bad check for imports

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-01-30 10:29:40 -05:00
Thomas Huth
4ae633b012 tests/functional: Add a decorator for skipping long running tests
Some tests have a very long runtime and might run into timeout issues
e.g. when QEMU has been compiled with --enable-debug. Add a decorator
for marking them more easily. Rename the corresponding environment
variable to be more in sync with the other QEMU_TEST_ALLOW_* switches
that we already have, and add a paragraph about it in the documentation.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20250128152839.184599-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2025-01-30 10:50:56 +01:00
Steve Sistare
45c3d6cfbb migration: cpr-transfer documentation
Add documentation for the cpr-transfer migration mode.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1736967650-129648-25-git-send-email-steven.sistare@oracle.com
[add -machine memory-backend=ram0]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2025-01-29 11:56:39 -03:00
Stefan Hajnoczi
32a97c5d05 tcg:
- Add TCGOP_TYPE, TCGOP_FLAGS.
   - Pass type and flags to tcg_op_supported, tcg_target_op_def.
   - Split out tcg-target-has.h and unexport from tcg.h.
   - Reorg constraint processing; constify TCGOpDef.
   - Make extract, sextract, deposit opcodes mandatory.
   - Merge ext{8,16,32}{s,u} opcodes into {s}extract.
 tcg/mips: Expand bswap unconditionally
 tcg/riscv: Use SRAIW, SRLIW for {s}extract_i64
 tcg/riscv: Use BEXTI for single-bit extractions
 tcg/sparc64: Use SRA, SRL for {s}extract_i64
 
 disas/riscv: Guard dec->cfg dereference for host disassemble
 util/cpuinfo-riscv: Detect Zbs
 accel/tcg: Call tcg_tb_insert() for one-insn TBs
 linux-user: Add missing /proc/cpuinfo fields for sparc
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Merge tag 'pull-tcg-20250117' of https://gitlab.com/rth7680/qemu into staging

tcg:
  - Add TCGOP_TYPE, TCGOP_FLAGS.
  - Pass type and flags to tcg_op_supported, tcg_target_op_def.
  - Split out tcg-target-has.h and unexport from tcg.h.
  - Reorg constraint processing; constify TCGOpDef.
  - Make extract, sextract, deposit opcodes mandatory.
  - Merge ext{8,16,32}{s,u} opcodes into {s}extract.
tcg/mips: Expand bswap unconditionally
tcg/riscv: Use SRAIW, SRLIW for {s}extract_i64
tcg/riscv: Use BEXTI for single-bit extractions
tcg/sparc64: Use SRA, SRL for {s}extract_i64

disas/riscv: Guard dec->cfg dereference for host disassemble
util/cpuinfo-riscv: Detect Zbs
accel/tcg: Call tcg_tb_insert() for one-insn TBs
linux-user: Add missing /proc/cpuinfo fields for sparc

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# gpg: Signature made Fri 17 Jan 2025 13:19:33 EST
# 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-20250117' of https://gitlab.com/rth7680/qemu: (68 commits)
  softfloat: Constify helpers returning float_status field
  accel/tcg: Call tcg_tb_insert() for one-insn TBs
  tcg: Document tb_lookup() and tcg_tb_lookup()
  linux-user: Add missing /proc/cpuinfo fields for sparc
  tcg/riscv: Use BEXTI for single-bit extractions
  util/cpuinfo-riscv: Detect Zbs
  tcg: Remove TCG_TARGET_HAS_deposit_{i32,i64}
  tcg: Remove TCG_TARGET_HAS_{s}extract_{i32,i64}
  tcg/tci: Remove assertions for deposit and extract
  tcg/tci: Provide TCG_TARGET_{s}extract_valid
  tcg/sparc64: Use SRA, SRL for {s}extract_i64
  tcg/s390x: Fold the ext{8,16,32}[us] cases into {s}extract
  tcg/riscv: Use SRAIW, SRLIW for {s}extract_i64
  tcg/riscv64: Fold the ext{8,16,32}[us] cases into {s}extract
  tcg/ppc: Fold the ext{8,16,32}[us] cases into {s}extract
  tcg/mips: Fold the ext{8,16,32}[us] cases into {s}extract
  tcg/loongarch64: Fold the ext{8,16,32}[us] cases into {s}extract
  tcg/arm: Add full [US]XT[BH] into {s}extract
  tcg/aarch64: Expand extract with offset 0 with andi
  tcg/aarch64: Provide TCG_TARGET_{s}extract_valid
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-01-21 08:28:33 -05:00
Pierrick Bouvier
a4340e7c52 docs: add a glossary
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20241209183104.365796-7-pierrick.bouvier@linaro.org>
[AJB: update MAINTAINERS]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250116160306.1709518-37-alex.bennee@linaro.org>
2025-01-17 10:45:54 +00:00
Pierrick Bouvier
7f6314427e docs/devel: add a codebase section
Present the various parts of QEMU and organization of codebase.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20241209183104.365796-6-pierrick.bouvier@linaro.org>
[AJB: tweak commit summary, update MAINTAINERS]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250116160306.1709518-36-alex.bennee@linaro.org>
2025-01-17 10:45:49 +00:00
Pierrick Bouvier
75dbfbad68 docs/devel: add information on how to setup build environments
MacOS and Linux are straightforward, but Windows needs a bit more
details.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20241209183104.365796-5-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250116160306.1709518-35-alex.bennee@linaro.org>
2025-01-17 10:45:44 +00:00
Pierrick Bouvier
ca494c9be4 docs/devel: add b4 for patch retrieval
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20241209183104.365796-4-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250116160306.1709518-34-alex.bennee@linaro.org>
2025-01-17 10:45:41 +00:00
Pierrick Bouvier
f4ac443efd docs/devel: add git-publish for patch submitting
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20241209183104.365796-3-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250116160306.1709518-33-alex.bennee@linaro.org>
2025-01-17 10:45:38 +00:00
Pierrick Bouvier
ecbf3567e2 docs/devel/style: add a section about bitfield, and disallow them for packed structures
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Tested-by: Stefan Weil <sw@weilnetz.de>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250110203401.178532-3-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250116160306.1709518-25-alex.bennee@linaro.org>
2025-01-17 10:45:27 +00:00
Richard Henderson
4d87221839 tcg: Replace TCGOP_VECL with TCGOP_TYPE
In the replacement, drop the TCGType - TCG_TYPE_V64 adjustment,
except for the call to tcg_out_vec_op.  Pass type to tcg_gen_op[1-6],
so that all integer opcodes gain the type.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-01-16 20:57:16 -08:00
Pierrick Bouvier
6a4fa294eb docs/devel: remove dead video link for sourcehut submit process
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-12-28 14:42:52 +03:00
Richard Henderson
5fcabe628b include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST
Now that all of the Property arrays are counted, we can remove
the terminator object from each array.  Update the assertions
in device_class_set_props to match.

With struct Property being 88 bytes, this was a rather large
form of terminator.  Saves 30k from qemu-system-aarch64.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-21-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-12-19 19:36:37 +01:00
Richard Henderson
fd363a14f6 docs: Constify all Property in examples
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-12-15 12:56:51 -06:00
Thomas Huth
4a722d2e8e docs/devel/testing/functional: Clarify that we have to use the build folder
Make it clear that the commands have to be run from the folder with the
build, and use the python3 from our pyvenv to make sure that the
pycotap module is available.

Message-ID: <20241112115302.470527-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-27 07:43:14 +01:00
Daniel P. Berrangé
270c81b7d5 docs: explicitly permit a "commonly known identity" with SoB
The docs for submitting a patch describe using your "Real Name" with
the Signed-off-by line. Although somewhat ambiguous, this has often
been interpreted to mean someone's legal name.

In recent times, there's been a general push back[1] against the notion
that use of Signed-off-by in a project automatically requires / implies
the use of legal ("real") names and greater awareness of the downsides.

Full discussion of the problems of such policies is beyond the scope of
this commit message, but at a high level they are liable to marginalize,
disadvantage, and potentially result in harm, to contributors.

TL;DR: there are compelling reasons for a person to choose distinct
identities in different contexts & a decision to override that choice
should not be taken lightly.

A number of key projects have responded to the issues raised by making
it clear that a contributor is free to determine the identity used in
SoB lines:

 * Linux has clarified[2] that they merely expect use of the
   contributor's "known identity", removing the previous explicit
   rejection of pseudonyms.

 * CNCF has clarified[3] that the real name is simply the identity
   the contributor chooses to use in the context of the community
   and does not have to be a legal name, nor birth name, nor appear
   on any government ID.

Since we have no intention of ever routinely checking any form of ID
documents for contributors[4], realistically we have no way of knowing
anything about the name they are using, except through chance, or
through the contributor volunteering the information. IOW, we almost
certainly already have people using pseudonyms for contributions.

This proposes to accept that reality and eliminate unnecessary friction,
by following Linux & the CNCF in merely asking that a contributors'
commonly known identity, of their choosing, be used with the SoB line.

[1] Raised in many contexts at many times, but a decent overall summary
    can be read at https://drewdevault.com/2023/10/31/On-real-names.html
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d4563201f33a022fc0353033d9dfeb1606a88330
[3] 659fd32c86/dco-guidelines.md
[4] Excluding the rare GPG key signing parties for regular maintainers

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241021190939.1482466-1-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241121165806.476008-40-alex.bennee@linaro.org>
2024-11-25 10:27:47 +00:00
Daniel P. Berrangé
1a8755a51e tests/functional: add a QMP backdoor for debugging stalled tests
Support the QEMU_TEST_QMP_BACKDOOR=backdoor.sock env variable as a
way to get a QMP backdoor for debugging a stalled QEMU test. Most
typically this would be used if running the tests directly:

 $ QEMU_TEST_QMP_BACKDOOR=backdoor.sock \
   QEMU_TEST_QEMU_BINARY=./build/qemu-system-arm \
   PYTHONPATH=./python \
   ./tests/functional/test_arm_tuxrun.py

And then, when the test stalls, in a second shell run:

 $ ./scripts/qmp/qmp-shell backdoor.sock

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20241121154218.1423005-18-berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241121165806.476008-18-alex.bennee@linaro.org>
2024-11-25 10:13:41 +00:00
Daniel P. Berrangé
dbaaef7dbf tests/functional: automatically clean up scratch files after tests
The build/tests/functional subdirectories are consuming huge amounts
of disk space.

Split the location for scratch files into a 'scratch' sub-directory,
separate from log files, and delete it upon completion of each test.
The new env variable QEMU_TEST_KEEP_SCRATCH can be set to preserve
this scratch dir for debugging access if required.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20241121154218.1423005-3-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241121165806.476008-3-alex.bennee@linaro.org>
2024-11-25 10:06:20 +00:00
Peter Maydell
361dfa9757 docs/devel/reset: Fix minor grammatical error
Fix a minor grammatical error in the reset documentation:
a couple of missing words and a singular/plural swap.

Signed-off-by: Axel Heider <axel.heider@codasip.com>
Message-id: 173006362760.28451.11319467059840843945-1@git.sr.ht
[PMM: squashed two patches into one, tweaked commit message]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-29 15:04:47 +00:00
Pierrick Bouvier
dfbc72a77c docs/devel: update tsan build documentation
Mention it's now possible to build with gcc, instead of clang, and
explain how to build a sanitized glib version.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240910174013.1433331-4-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241023113406.1284676-6-alex.bennee@linaro.org>
2024-10-24 09:56:12 +01:00
Peter Maydell
0ae50e8e1e docs/devel/lockcnt: Include kernel-doc API documentation
Pull in the kernel-doc API documentation into the lockcnt docs.
This requires us to fix one rST markup syntax error in the
header file comments.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240816132212.3602106-8-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
51483f6c84 include: Move QemuLockCnt APIs to their own header
Currently the QemuLockCnt data structure and associated functions are
in the include/qemu/thread.h header.  Move them to their own
qemu/lockcnt.h.  The main reason for doing this is that it means we
can autogenerate the documentation comments into the docs/devel
documentation.

The copyright/author in the new header is drawn from lockcnt.c,
since the header changes were added in the same commit as
lockcnt.c; since neither thread.h nor lockcnt.c state an explicit
license, the standard default of GPL-2-or-later applies.

We include the new header (and the .c file, which was accidentally
omitted previously) in the "RCU" part of MAINTAINERS, since that
is where the lockcnt.rst documentation is categorized.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20240816132212.3602106-7-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
90655d815a docs/devel/rcu: Convert to rST format
Convert docs/devel/rcu.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240816132212.3602106-6-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
4f0b3e0b95 docs/devel/multiple-iothreads: Convert to rST format
Convert docs/devel/multiple-iothreads.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240816132212.3602106-5-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
362dbb4f3f docs/devel/lockcnt: Convert to rST format
Convert docs/devel/lockcnt.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240816132212.3602106-4-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
78ac2d8df6 docs/devel/blkverify: Convert to rST format
Convert blkverify.txt to rST format.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20240816132212.3602106-3-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
d5f42aac04 docs/devel/blkdebug: Convert to rST format
Convert blkdebug.txt to rST format.  We put it into index-build.rst
because it falls under the "test" part of "QEMU Build and Test
System".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20240816132212.3602106-2-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Inès Varhol
9240d65e0e hw/clock: Expose 'qtest-clock-period' QOM property for QTests
Expose the clock period via the QOM 'qtest-clock-period' property so it
can be used in QTests. This property is only accessible in QTests (not
via HMP).

Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20241003081105.40836-3-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 11:29:45 +01:00
Paolo Bonzini
381d2c36e1 docs: use consistent markup for footnotes
Unfortunately, the definition of the footnote syntax requires
the author to use the awkward escaped space "\ " in the really common
case of "footnote marker at end of word or sentence"; and in fact the rST
documentation's examples of footnote syntax contain only artificial
examples that do *not* use the syntax.  This resulted in ugly rendering
of footnotes throughout QEMU's documentation.  Ensure the space is escaped
whenever the footnote must attach to the preceding word, and also use
a named reference for clarity.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-11 13:48:42 +02:00
Paolo Bonzini
232c3a848e docs: avoid footnotes consisting of just URLs
Replace the footnotes with inline links whenever the footnote text
consists of nothing but the URL.  While at it, make the link texts
consistent in the surrounding areas, for example avoiding usage of
"here" for the link's text.

In the case of acpi-bits.rst this fixes a build failure with Sphinx
8.1.0, because the FOSDEM link was duplicated in the paragraph and the
new version is a lot stricter about unreferenced footnotes.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-11 13:48:34 +02:00
Paolo Bonzini
effb0f7724 docs: fix invalid footnote syntax
All footnotes must come after a separator in reStructuredText.  Fix the
two files in which this does not happen.

This mistake causes the link to be rendered literally:

   ...from the venv itself[#distlib]_. If no...

and is caught by Sphinx 8.1.0 as an unreferenced footnote.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-11 13:08:32 +02:00
Peter Maydell
e300f4c11d docs/devel: Mention post_load hook restrictions where we document the hook
Accessing another device in a post_load hook is a bad idea, because
the order of device save/restore is not fixed, and so this
cross-device access makes the save/restore non-deterministic.

We previously only flagged up this requirement in the
record-and-replay developer docs; repeat it in the main migration
documentation, where a developer trying to implement a post_load hook
is more likely to see it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-04 18:54:55 +03:00
Juraj Marcin
759cbb4ee9 reset: Add RESET_TYPE_WAKEUP
Some devices need to distinguish cold start reset from waking up from a
suspended state. This patch adds new value to the enum, and updates the
i386 wakeup method to use this new reset type.

Message-ID: <20240904103722.946194-3-jmarcin@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Juraj Marcin <jmarcin@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
2024-09-24 11:33:35 +02:00
Peter Maydell
89b30b4921 docs/devel: Remove nested-papr.txt
docs/devel/nested-papr.txt is entirely (apart from the initial
paragraph) a partial copy of the kernel documentation
https://docs.kernel.org/arch/powerpc/kvm-nested.html

There's no benefit to the QEMU docs to converting this to rST,
so instead delete it. Anybody needing to know the API and
protocol for the guest to communicate with the hypervisor
to created nested VMs should refer to the authoratitative
documentation in the kernel docs.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-id: 20240816133318.3603114-1-peter.maydell@linaro.org
2024-09-19 13:33:15 +01:00
Matheus Tavares Bernardino
c0f86125c3 docs/fuzz: fix outdated mention to enable-sanitizers
This options has been removed at cb771ac1f5 (meson: Split
--enable-sanitizers to --enable-{asan, ubsan}, 2024-08-13), so let's
update its last standing mention in the docs.

Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-ID: <0ecf4e1ab26771009d74a2ce61e7c17ddc586ef7.1726226316.git.quic_mathbern@quicinc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-17 10:52:20 +02:00
Peter Maydell
cf7f61d13f target/s390: Convert CPU to Resettable interface
Convert the s390 CPU to the Resettable interface.  This is slightly
more involved than the other CPU types were (see commits
9130cade5fc22..d66e64dd006df) because S390 has its own set of
different kinds of reset with different behaviours that it needs to
trigger.

We handle this by adding these reset types to the Resettable
ResetType enum.  Now instead of having an underlying implementation
of reset that is s390-specific and which might be called either
directly or via the DeviceClass::reset method, we can implement only
the Resettable hold phase method, and have the places that need to
trigger an s390-specific reset type do so by calling
resettable_reset().

The other option would have been to smuggle in the s390 reset
type via, for instance, a field in the CPU state that we set
in s390_do_cpu_initial_reset() etc and then examined in the
reset method, but doing it this way seems cleaner.

The motivation for this change is that this is the last caller
of the legacy device_class_set_parent_reset() function, and
removing that will let us clean up some glue code that we added
for the transition to three-phase reset.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-id: 20240830145812.1967042-4-peter.maydell@linaro.org
2024-09-13 15:31:43 +01:00
Peter Maydell
4b7ea33074 * Split --enable-sanitizers to --enable-{asan, ubsan}
* Build MSYS2 job using multiple CPUs
 * Fix "make distclean" wrt contrib/plugins/
 * Convert more Avocado tests to plain standalone functional tests
 * Fix bug that breaks "make check-functional" when tesseract is missing
 * Use builtin hashlib of Python in the functional tests
 * Update the FreeBSD CI jobs to 14.1
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Merge tag 'pull-request-2024-09-11' of https://gitlab.com/thuth/qemu into staging

* Split --enable-sanitizers to --enable-{asan, ubsan}
* Build MSYS2 job using multiple CPUs
* Fix "make distclean" wrt contrib/plugins/
* Convert more Avocado tests to plain standalone functional tests
* Fix bug that breaks "make check-functional" when tesseract is missing
* Use builtin hashlib of Python in the functional tests
* Update the FreeBSD CI jobs to 14.1

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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]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
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* tag 'pull-request-2024-09-11' of https://gitlab.com/thuth/qemu: (24 commits)
  Update FreeBSD CI jobs FreeBSD 14.1
  tests/functional/qemu_test: Use Python hashlib instead of external programs
  tests/functional: Fix bad usage of has_cmd
  tests/functional: Convert the multiprocess avocado test into a standalone test
  tests/functional: Convert the or1k-sim Avocado test
  tests/functional: Convert the m68k MCF5208EVB Avocado test
  tests/functional: Convert the Alpha Clipper Avocado test
  tests/functional: Convert Aarch64 Raspi4 avocado tests
  tests/functional: Convert Aarch64 Raspi3 avocado tests
  tests/functional: Convert ARM Raspi2 avocado tests
  tests/functional: Convert mips32eb 4Kc Malta avocado tests
  tests/functional: Convert nanomips Malta avocado tests
  tests/functional: Convert mips32el Malta YAMON avocado test
  tests/functional: Convert mips64el 5KEc Malta avocado tests
  tests/functional: Convert mips64el I6400 Malta avocado tests
  tests/functional: Convert mips64el Fuloong2e avocado test (2/2)
  tests/functional: Convert the m68k Q800 Avocado test into a functional test
  tests/functional: Add the LinuxKernelTest for testing the Linux boot process
  MAINTAINERS: Remove myself from the Meson section
  MAINTAINERS: Remove myself as reviewer
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-09-11 19:28:23 +01:00
Richard Henderson
cb771ac1f5 meson: Split --enable-sanitizers to --enable-{asan, ubsan}
We do not always want both address and undefined behavior
sanitizers running at the same time.

For the gitlab custom-runners, drop to only --enable-ubsan.
These jobs are not run by default, but as will be obvious in the
next patch, we don't run ASan on x86 either, and it seems wrong
to hold aarch64 and s390x to a different standard.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240813095216.306555-2-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-11 09:49:11 +02:00
Alex Bennée
613edf0c0d docs/devel: fix duplicate line
I guess the same change came in via two patch series. Remove the
repetition.

Fixes: 2a851fca9f (docs/devel: remind developers to run CI container pipeline when updating images)
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240910173900.4154726-5-alex.bennee@linaro.org>
2024-09-10 23:33:03 +01:00
Yuan Liu
85da4cbe6e docs/migration: add qatzip compression feature
add Intel QATzip compression method introduction

Reviewed-by: Nanhai Zou <nanhai.zou@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
Signed-off-by: Yichen Wang <yichen.wang@bytedance.com>
Link: https://lore.kernel.org/r/20240830232722.58272-2-yichen.wang@bytedance.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-09-09 10:55:39 -04:00
Thomas Huth
c3e24cff2b docs/devel/testing: Add documentation for functional tests
Document the new functional testing framework. The text is originally
based on the Avocado documentation, but heavily modified to match the
new framework.

Message-ID: <20240830133841.142644-45-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-04 12:28:00 +02:00
Thomas Huth
0abdd97084 docs/devel/testing: Rename avocado_qemu.Test class
The avocado_qemu.Test class has been renamed a while back in commit
2283b627bc ("tests/avocado: Rename avocado_qemu.Test -> QemuSystemTest"),
so we should reflect this now in the documentation, too.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240830133841.142644-44-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-04 12:28:00 +02:00
Thomas Huth
2133c2ab9c docs/devel/testing: Split the Avocado documentation into a separate file
The main testing documentation file got very overloaded already.
Thus let's split the Avocado information into a separate file.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240830133841.142644-43-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-04 12:28:00 +02:00
Thomas Huth
ff41da5030 docs/devel: Split testing docs from the build docs and move to separate folder
Building and testing are two separate topics, so let's split the testing
into a separate category and move the related files into a separate folder.

Message-ID: <20240830133841.142644-42-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-04 12:28:00 +02:00
Thomas Huth
05caa06242 tests/functional: Convert the acpi-bits test into a standalone test
Mostly a straight-forward conversion. Looks like we can simply drop
the avocado datadrainer stuff when not using the avocado framework
anymore.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240830133841.142644-30-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-04 11:14:33 +02:00
Pierrick Bouvier
3f9f9a37ae docs/devel: update tcg-plugins page
Reflect recent changes on API (inline ops) and new plugins.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240812231945.169310-1-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-21-alex.bennee@linaro.org>
2024-08-16 14:13:07 +01:00
Stefan Weil
24c32ed374 docs: Fix some typos (found by typos) and grammar issues
Fix the misspellings of "overriden" also in code comments.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240813125638.395461-1-sw@weilnetz.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-20-alex.bennee@linaro.org>
2024-08-16 14:12:59 +01:00
Alex Bennée
6484a3e55b docs: split TCG plugin usage from devel section
The devel section is getting quite messy with the breakdown of the
example plugins which should be usable by users. As we mention plugins
in the emulation section along with semihosting move the overview
there leaving the development section about the details of writing
plugins.

While we are at make the headings nicer and convert the option lists
into nicely formatted tables.

Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-11-alex.bennee@linaro.org>
2024-07-30 11:44:18 +01:00
Alex Bennée
b421206882 docs/devel: document how to run individual TCG tests
Since 6f6ca067d2 (tests/tcg: add some help output for running
individual tests) we made it easier to run individual tests for a
given architecture. Lets reference that in the developer
documentation.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240729144414.830369-8-alex.bennee@linaro.org>
2024-07-30 11:44:18 +01:00