Commit Graph

3593 Commits

Author SHA1 Message Date
Cédric Le Goater
704db3e250 aspeed: Deprecate the fby35 machine
There are no functional tests for the 'fby35' machine which makes
harder to determine when something becomes deprecated or unused.

The 'fby35' machine was originally added as an example of a multi-SoC
system, with the expectation the models would evolve over time in an
heterogeneous system. This hasn't happened and no public firmware is
available to boot it. It can be replaced by the 'ast2700fc', another
multi-SoC machine based on the newer AST2700 SoCs which are excepted
to receive better support in the future.

Cc: Peter Delevoryas <peter@pjd.dev>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20251126102424.927527-1-clg@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2025-12-05 15:37:18 +00:00
Alano Song
23a5e2584e docs/devel: Correct typo
Correct typo in atomics.rst

Signed-off-by: Alano Song <AlanoSong@163.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[AJB: fixed author entry]
Message-ID: <20251204194902.1340008-10-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2025-12-05 15:26:19 +00:00
Alex Bennée
6f365f185a docs/devel: update build environment setup documentation
Bring `libvirt-ci` front and centre when discussing dependencies for
QEMU. While we are at it:

  - drop links to additional instructions (libvirt is more upto date)
  - compress pkg installs into a table
  - call out distro/upstream dep difference in a proper note

Message-ID: <20251204194902.1340008-9-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2025-12-05 15:26:19 +00:00
John Levon
1f3b34e403 docs/interop/vfio-user: update protocol specification
Refresh the protocol specification to the latest version implemented by
libvfio-user. All changes are backward compatible.

Note that QEMU client itself does not yet implement these extensions,
but as this is now the canonical specification, it needs to be kept up
to date.

Signed-off-by: John Levon <john.levon@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20251010102453.711072-1-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2025-12-03 15:07:47 +01:00
Peter Maydell
ebb625262c docs/devel: Update URL for make-pullreq script
In the submitting-a-pull-request docs, we have a link to the
make-pullreq script which might be useful for maintainers.  The
canonical git repo for this script has moved; update the link.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20251125164511.255550-1-peter.maydell@linaro.org
2025-12-01 09:39:46 +00:00
Zhao Liu
a5da8dd90b docs/deprecated: Remove undeprecated SMP description
"Unsupported 'parameter=1' SMP configuration" was proposed to be
deprecated in the commit 54c4ea8f3a ("hw/core/machine-smp: Deprecate
unsupported "parameter=1" SMP configurations").

But the related code was reverted later in the commit 9d7950edb0
("hw/core: allow parameter=1 for SMP topology on any machine").

Thus, this SMP behavior is still valid and is not actually deprecated.

Remove outdated document descriptions.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20251121084416.1031466-1-zhao1.liu@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-11-25 22:41:43 +01:00
Philippe Mathieu-Daudé
4af2433a81 docs: Mention 32-bit PPC host as removed
We removed support for 32-bit PPC hosts in commit 5c1ec5a1ee
("tcg/ppc: Remove support for 32-bit hosts").

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20251117171236.80472-3-philmd@linaro.org>
2025-11-18 19:59:36 +01:00
Philippe Mathieu-Daudé
08ab276a38 docs: Correct release of MIPS deprecations / removals
We are going to release 10.2, not 11.0 :)

Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20251117171236.80472-2-philmd@linaro.org>
2025-11-18 19:59:36 +01:00
Alex Bennée
f65da9e690 gitlab: add initial ppc64le custom-runner test
This is a plain configure build but I only run a subset of the tests
until the kinks have been worked out.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20251117115523.3993105-13-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2025-11-17 15:51:00 +00:00
Pierrick Bouvier
45265100be docs/about/emulation: update assets for uftrace plugin documentation
Linaro is discontinuing its fileserver service by end of the year.
Migrate assets to GitHub.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20251117115523.3993105-6-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2025-11-17 15:51:00 +00:00
Alyssa Ross
97f24a0496 vhost-user.rst: clarify when FDs can be sent
Previously the spec did not say where in a message the FDs should be
sent.  As I understand it, FDs transferred in ancillary data will
always be received along with the first byte of the data they were
sent with, so we should define which byte that is.  Going by both
libvhost-user in QEMU and the rust-vmm crate, that byte is the first
byte of the message header.  This is important to specify because it
would make back-end implementation significantly more complicated if
receiving file descriptors in the middle of a message had to be
handled.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251106192105.3456755-1-hi@alyssa.is>
2025-11-09 08:25:53 -05:00
Richard Henderson
917ac07f9a Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* rust: cleanup Error, add &error_fatal bindings
* rust: do not add qemuutil to Rust crates
* rust: migration: allow nested offset_of
* rust: add back to Ubuntu 22.04 jobs
* checkpatch: remove bogus patch prefix warning

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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 04 Nov 2025 05:29:44 PM CET
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [unknown]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# 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:
  rust: add back to Ubuntu 22.04 jobs
  rust: migration: allow nested offset_of
  rust: do not add qemuutil to Rust crates
  rust: pull error_fatal out of SysbusDeviceMethods::sysbus_realize
  rust/util: replace Error::err_or_unit/err_or_else with Error::with_errp
  rust/util: use anyhow's native chaining capabilities
  rust/util: add ensure macro
  scripts/checkpatch.pl: remove bogus patch prefix warning

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-05 16:07:18 +01:00
Richard Henderson
deed5c8e93 Merge tag 'hw-misc-20251104' of https://github.com/philmd/qemu into staging
Misc HW patches

- Add RPMB emulation to eMMC model
- Use generic MachineState::fdt field in microvm machine
- Remove dead code in ac97_realize()

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# gpg: Signature made Wed 05 Nov 2025 09:56:35 AM CET
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.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: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20251104' of https://github.com/philmd/qemu:
  hw/audio: Remove dead code from ac97_realize
  hw/i386/microvm: Use fdt field from MachineState
  docs: Add eMMC device model description
  scripts: Add helper script to generate eMMC block device images
  hw/sd/sdcard: Handle RPMB MAC field
  hw/sd/sdcard: Add basic support for RPMB partition
  hw/sd/sdcard: Allow user creation of eMMCs
  hw/sd/sdcard: Fix size check for backing block image

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-05 13:42:24 +01:00
Jan Kiszka
45423e2470 docs: Add eMMC device model description
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <b9c3ff21e7170fef5d0e7d08698a113d2a64e649.1762261430.git.jan.kiszka@siemens.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-11-05 09:26:27 +01:00
Richard Henderson
d752763d0b Merge tag 'pull-qapi-2025-11-04' of https://repo.or.cz/qemu/armbru into staging
QAPI patches for 2025-11-04

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# gpg: Signature made Tue 04 Nov 2025 01:56:09 PM CET
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [unknown]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2025-11-04' of https://repo.or.cz/qemu/armbru:
  qapi: Add documentation format validation
  docs/interop: Add test to keep vhost-user.json sane
  docs/interop/firmware: Literal block markup
  docs/interop/vhost-user: Belatedly convert "Example" section
  docs/interop: Refill QAPI doc comments to conform to conventions
  qga/qapi-schema: Clean up whitespace between definitions
  qga/qapi-schema: Refill doc comments to conform to conventions
  qapi: Clean up whitespace between definitions
  qapi: Refill doc comments to conform to conventions
  qapi/audio: Fix description markup of AudiodevDBusOptions @nsamples
  meson: Add missing backends.py to qapi_gen_depends
  qapi/command: Avoid generating unused qmp_marshal_output_T()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-05 08:54:57 +01:00
Paolo Bonzini
fdeeb44845 rust: add back to Ubuntu 22.04 jobs
Ubuntu is now including updated versions of Rust (up to 1.85) for
its LTS releases.  Adjust the CI containers and re-add --enable-rust
to the Ubuntu jobs.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-11-04 17:13:25 +01:00
Richard Henderson
abe80c8ae2 Merge tag 'staging-pull-request' of https://gitlab.com/peterx/qemu into staging
mem + migration pull for 10.2

- Fabiano's patch to fix snapshot crash by rejecting some caps
- Marco's mapped-ram support on snapshot save/load
- Steve's cpr maintainers entry update on retirement
- Peter's coverity fixes
- Chenyi's tdx fix on hugetlbfs regression
- Peter's doc update on migrate resume flag
- Peter's doc update on HMP set parameter for cpr-exec-command's char** parsing
- Xiaoyao's guest-memfd fix for enabling shmem
- Arun's fix on error_fatal regression for migration errors
- Bin's fix on redundant error free for add block failures
- Markus's cleanup around MigMode sets
- Peter's two patches (out of loadvm threadify) to cleanup qio read peek process
- Thomas's vmstate-static-checker update for possible deprecation of argparse use
- Stefan's fix on windows deadlock by making unassigned MMIOs lockless

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# gpg: Signature made Mon 03 Nov 2025 10:06:04 PM CET
# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [unknown]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D  D1A9 3B5F CCCD F3AB D706

* tag 'staging-pull-request' of https://gitlab.com/peterx/qemu: (36 commits)
  migration: Introduce POSTCOPY_DEVICE state
  migration: Make postcopy listen thread joinable
  migration: Respect exit-on-error when migration fails before resuming
  migration: Refactor all incoming cleanup info migration_incoming_destroy()
  migration: Introduce postcopy incoming setup and cleanup functions
  migration: Move postcopy_ram_listen_thread() to postcopy-ram.c
  migration: Do not try to start VM if disk activation fails
  migration: Flush migration channel after sending data of CMD_PACKAGED
  system/physmem: mark io_mem_unassigned lockless
  scripts/vmstate-static-checker: Fix deprecation warnings with latest argparse
  migration: vmsd errp handlers: return bool
  migration/vmstate: stop reporting error number for new _errp APIs
  tmp_emulator: improve and fix use of errp
  migration: vmstate_save_state_v(): fix error path
  migration: Properly wait on G_IO_IN when peeking messages
  io: Add qio_channel_wait_cond() helper
  migration: Put Error **errp parameter last
  migration: Use bitset of MigMode instead of variable arguments
  migration: Use unsigned instead of int for bit set of MigMode
  migration: Don't free the reason after calling migrate_add_blocker
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-04 16:19:35 +01:00
Richard Henderson
9e57131c1e Merge tag 'pull-target-arm-20251103' of https://gitlab.com/pm215/qemu into staging
target-arm queue:
 * allow KVM accelerator on imx8mp-evk
 * docs/devel/testing/fuzzing: Note that you can get qtest to read from a file

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# gpg: Signature made Mon 03 Nov 2025 04:46:21 PM CET
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [unknown]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [unknown]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [unknown]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20251103' of https://gitlab.com/pm215/qemu:
  docs/devel/testing/fuzzing: Note that you can get qtest to read from a file
  hw/arm/imx8mp-evk: Fix guest time in KVM mode
  hw/arm/imx8mp-evk: Add KVM support

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-04 16:19:18 +01:00
Markus Armbruster
201a38d12b docs/interop: Add test to keep vhost-user.json sane
We did this for firmware.json in commit d4181658df (docs: add test
for firmware.json QAPI).

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20251103082354.3273027-10-armbru@redhat.com>
2025-11-04 13:35:00 +01:00
Markus Armbruster
f68938c435 docs/interop/firmware: Literal block markup
A few doc comments show command line snippets.  The snippets are
indented, which is legible enough.  Actually formatting these with
Sphinx would fail with "Unexpected indentation", though.  We don't so
far.  Add suitable markup anyway.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20251103082354.3273027-9-armbru@redhat.com>
2025-11-04 13:35:00 +01:00
Markus Armbruster
e90ab557da docs/interop/vhost-user: Belatedly convert "Example" section
These are gone since 3c5f6114d9 (qapi: remove "Example" doc section).

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20251103082354.3273027-8-armbru@redhat.com>
2025-11-04 13:34:54 +01:00
Markus Armbruster
ab5ad24b1b docs/interop: Refill QAPI doc comments to conform to conventions
For legibility, wrap text paragraphs so every line is at most 70
characters long.  Consistently separate sentences with two spaces.
Consistently separate member descriptions with a blank line.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-ID: <20251103082354.3273027-7-armbru@redhat.com>
2025-11-04 13:34:42 +01:00
Markus Armbruster
5bd89761a4 qapi/command: Avoid generating unused qmp_marshal_output_T()
qmp_marshal_output_T() is only ever called by qmp_marshal_C() for a
command C that returns type T.

We've always generated it as a static function on demand, i.e. when we
generate a call.

Since we split up monolithic generated code into modules (commit
252dc3105f "qapi: Generate separate .h, .c for each module"), we do
this per module.  As noted in the commit message, this can result in
identical (static) qmp_marshal_output_T() in several modules.  Was
deemed not worth avoiding.

A bit later, we added 'if' conditionals to the schema language (merge
commit 5dafaf4fbc).

When a conditional definition uses a type, then its condition must
imply the type's condition.  We made this the user's responsibility.
Hasn't been an issue in practice.

However, the sharing of qmp_marshal_output_T() among commands
complicates matters.  To avoid both undefined function errors and
unused function warnings, qmp_marshal_output_T() must be defined
exactly when it's used.  It is used when any of the qmp_marshal_C()
calling it is defined, i.e. when any C's condition holds.

The generator uses T's condition instead.  To avoid both error and
warning, T's condition must be the conjunction of all C's conditions.

Unfortunately, this can be impossible:

* Conditional command returning a builtin type

  A builtin type cannot be conditional.  This is noted in a FIXME
  comment.

* Commands in multiple modules where the conjunction differs between
  modules

  An instance of this came up recently.  we have unconditional
  commands returning HumanReadableText.  If we add a conditional one
  to a module that does not have unconditional ones, compilation fails
  with "defined but not used".  If we make HumanReadableText
  conditional to fix this module, we break the others.

Instead of complicating the code to compute the conjunction, simplify
it: generate the output marshaling code right into qmp_marshal_C().

This duplicates it when multiple commands return the same type.  The
impact on code size is negligible: qemu-system-x86_64's text segment
grows by 1448 bytes.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250804130602.903904-1-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
[Commit message typos fixed]
2025-11-04 13:34:20 +01:00
Vladimir Sementsov-Ogievskiy
8c3843638c migration: vmsd errp handlers: return bool
No code actually depend on specific errno values returned by
vmstate_load_state. The only use of it is to check for success,
and sometimes inject numeric error values into error messages
in migration code. The latter is not a stopper for gradual
conversion to "errp + bool return value" APIs.

Big analysis of vmstate_load_state() callers, showing that
specific errno values are not actually used, is done by Peter
here:

https://lore.kernel.org/qemu-devel/aQDdRn8t0B8oE3gf@x1.local/

Converting of vmstate_load_state() itself will follow in
another series.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Link: https://lore.kernel.org/r/20251028170926.77219-2-vsementsov@yandex-team.ru
Signed-off-by: Peter Xu <peterx@redhat.com>
2025-11-03 16:04:10 -05:00
Peter Maydell
5848d2c3a6 docs/devel/testing/fuzzing: Note that you can get qtest to read from a file
It is possible to get qtest to read fuzzer reproducers from a file
rather than directly from stdio; this is useful when you want to run
QEMU under gdb to debug the failure.  Document how to do this, which
was previously only written down in the commit message for
5b18a6bf44 ("chardev: Allow setting file chardev input file on the
command line").

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-id: 20251028165236.3327658-1-peter.maydell@linaro.org
2025-11-03 14:16:53 +00:00
Bernhard Beschow
094fd7d36f hw/arm/imx8mp-evk: Add KVM support
Allows the imx8mp-evk machine to run guests with KVM acceleration.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20251101120130.236721-2-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-11-03 10:47:22 +00:00
Daniel P. Berrangé
2aaca8c6d2 docs: creation of x509 certs compliant with post-quantum crypto
Explain how to alter the certtool commands for creating certficates,
so that they can use algorithms that are compliant with post-quantum
crytography standards.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2025-11-03 10:45:55 +00:00
Daniel P. Berrangé
211fc7e416 crypto: support upto 5 parallel certificate identities
The default (required) identity is stored in server-cert.pem /
client-cert.pem and server-key.pem / client-key.pem.

The 4 extra (optional) identities are stored in server-cert-$N.pem /
client-cert-$N.pem and server-key-$N.pem / client-key-$N.pem. The
numbering starts at 0 and the first missing cert/key pair will
terminate the loading process.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2025-11-03 10:45:55 +00:00
Daniel P. Berrangé
d58f9b20c7 crypto: deprecate use of external dh-params.pem file
GNUTLS has deprecated use of externally provided diffie-hellman
parameters. Since 3.6.0 it will automatically negotiate DH params
in accordance with RFC7919.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2025-11-03 10:45:55 +00:00
Richard Henderson
53b41bb789 Merge tag 'pull-target-arm-20251031' of https://gitlab.com/pm215/qemu into staging
target-arm queue:
 *  hw/gpio/pl061: Declare pullups/pulldowns as 8-bit types
 * docs/system/arm/virt: Document user-creatable SMMUv3
 * docs/system/security: Restrict "virtualization use case" to specific machines
 * target/arm: Add assert to arm_to_core_mmu_idx()
 * hw/arm/virt: remove deprecated virt-4.1 and virt-4.2 machine types
 * hvf: Refactorings and cleanups

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# gpg: Signature made Fri 31 Oct 2025 07:32:07 PM CET
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [unknown]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [unknown]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [unknown]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20251031' of https://gitlab.com/pm215/qemu: (38 commits)
  accel/hvf: Trace prefetch abort
  target/arm/hvf/hvf: Document $pc adjustment in HVF & SMC
  target/arm: Share ARM_PSCI_CALL trace event between TCG and HVF
  target/arm: Re-use arm_is_psci_call() in HVF
  target/arm/hvf: Rename 'vgic' -> 'emu_reginfo' in trace events
  target/arm: Rename init_cpreg_list() -> arm_init_cpreg_list()
  accel/hvf: Restrict ARM specific fields of AccelCPUState
  target/arm: Call aarch64_add_pauth_properties() once in host_initfn()
  accel/hvf: Guard hv_vcpu_run() between cpu_exec_start/end() calls
  cpus: Trace cpu_exec_start() and cpu_exec_end() calls
  target/arm/hvf: Keep calling hv_vcpu_run() in loop
  target/arm/hvf: Factor hvf_handle_vmexit() out
  target/i386/hvf: Factor hvf_handle_vmexit() out
  target/arm/hvf: Factor hvf_handle_exception() out
  target/arm/hvf: switch hvf_arm_get_host_cpu_features to not create a vCPU
  target/arm/hvf: Simplify hvf_arm_get_host_cpu_features()
  target/arm/hvf: Hardcode Apple MIDR
  accel/hvf: Implement hvf_arch_vcpu_destroy()
  target/arm/hvf: Mention hvf_inject_interrupts() must run on vCPU thread
  accel/hvf: Mention hvf_arch_update_guest_debug() must run on vCPU
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-01 10:52:48 +01:00
Richard Henderson
c5d60e5903 Merge tag 'audio-test-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging
Audio clean-ups

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# gpg: Signature made Fri 31 Oct 2025 07:43:56 AM CET
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [unknown]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'audio-test-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (36 commits)
  audio: deprecate HMP audio commands
  audio: Rename @endianness argument as @big_endian for clarity
  audio: Remove pointless local variables
  audio: drop needless audio_driver "descr" field
  audio: move capture API to own header
  audio: cleanup, use bool for booleans
  audio: remove dependency on spice header
  audio: move audio.h under include/qemu/
  audio/dbus: use a helper function to set the backend dbus server
  audio: remove QEMUSoundCard
  audio: rename AudioState -> AudioBackend
  audio: move internal APIs to audio_int.h
  audio/replay: fix type punning
  audio: introduce AUD_set_volume_{in,out}_lr()
  audio: remove AUDIO_HOST_ENDIANNESS
  audio: remove some needless headers
  audio: initialize card_head during object init
  audio: register and unregister vmstate with AudioState
  audio: keep vmstate handle with AudioState
  audio: drop needless error message
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-01 10:51:32 +01:00
Richard Henderson
0ea4120e39 Merge tag 'pull-ppc-for-10.2-d4-20251030' of https://gitlab.com/harshpb/qemu into staging
ppc queue for 10.2

* Firmware updates for SLOF, sam460ex u-boot
* Removal of unusable e200 CPUs
* Coverity fixes for fadump
* Other minor fixes, cleanups for pegasos, spapr.

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# gpg: Signature made Thu 30 Oct 2025 09:18:11 AM CET
# gpg:                using RSA key 6B810CD6D2BE10F3883D21424544E994F9D68FBB
# gpg: Good signature from "Harsh Prateek Bora <harsh.prateek.bora@gmail.com>" [undefined]
# gpg:                 aka "Harsh Prateek Bora <harshpb@linux.ibm.com>" [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: 6B81 0CD6 D2BE 10F3 883D  2142 4544 E994 F9D6 8FBB

* tag 'pull-ppc-for-10.2-d4-20251030' of https://gitlab.com/harshpb/qemu:
  hw/ppc/pegasos: Update documentation for pegasos1
  hw/ppc/pegasos2: Rename to pegasos
  hw/ppc/pegasos2: Add /chosen/stdin node with VOF
  hw/ppc: Fix memory leak in get_cpu_state_data()
  hw/ppc: Fix missing return on allocation failure
  ppc/spapr: Cleanup MSI IRQ number handling
  target/ppc: Remove the unusable e200 CPUs
  target/ppc/cpu_init: Simplify the setup of the TLBxCFG SPR registers
  hw/ppc/sam460ex: Update u-boot-sam460ex
  pseries: Update SLOF firmware image to release 20251027

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-11-01 09:39:10 +01:00
Peter Maydell
f16f2586ec docs/system/security: Restrict "virtualization use case" to specific machines
Currently our security policy defines a "virtualization use case"
where we consider bugs to be security issues, and a
"non-virtualization use case" where we do not make any security
guarantees and don't consider bugs to be security issues.

The rationale for this split is that much code in QEMU is older and
was not written with malicious guests in mind, and we don't have the
resources to audit, fix and defend it.  So instead we inform users
about what the can in practice rely on as a security barrier, and
what they can't.

We don't currently restrict the "virtualization use case" to any
particular set of machine types.  This means that we have effectively
barred ourselves from adding KVM support to any machine type that we
don't want to put into the "bugs are security issues" category, even
if it would be useful for users to be able to get better performance
with a trusted guest by enabling KVM. This seems an unnecessary
restriction, and in practice the set of machine types it makes
sense to use for untrusted-guest virtualization is quite small.

Specifically, we would like to be able to enable the use of
KVM with the imx8 development board machine types, but we don't
want to commit ourselves to having to support those SoC models
and device models as part of QEMU's security boundary:
https://lore.kernel.org/qemu-devel/20250629204851.1778-3-shentey@gmail.com/

This patch updates the security policy to explicitly list the
machine types we consider to be useful for the "virtualization
use case".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20251016131159.750480-1-peter.maydell@linaro.org
Acked-by: Markus Armbruster <armbru@redhat.com>
2025-10-31 16:26:44 +00:00
Peter Maydell
65e3b1de55 docs/system/arm/virt: Document user-creatable SMMUv3
The virt machine now supports creating multiple SMMUv3 instances, each
associated with a separate PCIe root complex.

Update the documentation with an example.

Signed-off-by: Shameer Kolothum <skolothumtho@nvidia.com>
[PMM: some minor wording tweaks]

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-10-31 16:26:44 +00:00
Richard Henderson
c494afbb7d Merge tag 'pull-nvme-20251030' of https://gitlab.com/birkelund/qemu into staging
nvme queue

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# gpg: Signature made Thu 30 Oct 2025 08:28:56 AM CET
# gpg:                using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [unknown]
# gpg:                 aka "Klaus Jensen <k.jensen@samsung.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468  4272 63D5 6FC5 E55D A838
#      Subkey fingerprint: 5228 33AA 75E2 DCE6 A247  66C0 4DE1 AF31 6D4F 0DE9

* tag 'pull-nvme-20251030' of https://gitlab.com/birkelund/qemu:
  hw/nvme: add atomic boundary support
  hw/nvme: enable ns atomic writes
  hw/nvme: connect SPDM over NVMe Security Send/Recv
  spdm: define SPDM transport enum types
  hw/nvme: add NVMe Admin Security SPDM support
  spdm: add spdm storage transport virtual header
  spdm-socket: add seperate send/recv functions

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-10-31 12:56:05 +01:00
Marc-André Lureau
05404916bf audio: deprecate HMP audio commands
The command is niche and better served by the host audio system.
There is no QMP equivalent, fortunately. You can capture the audio
stream via remote desktop protocols too (dbus, vnc, spice).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20251022105753.1474739-1-marcandre.lureau@redhat.com>
2025-10-30 22:59:30 +04:00
Richard Henderson
4889d96660 Merge tag 'pull-10.2-maintainer-291025-1' of https://gitlab.com/stsquad/qemu into staging
maintainer updates for 10.2

  - clean-up remaining 32 bit armhf bits in ci
  - rationalise build-environment.yml for Debian and Ubuntu
  - generate a Debian ppc64 package list
  - rationalise gitlab-runner.yml for Debian and Ubuntu
  - new TCG plugin feature to track discontinuities
  - add missing CFI annotation to plugin callbacks
  - drop SBSA_REF from minimal Arm build
  - format string fix for gdbstub syscall response
  - simplify the gdbstub flen handling for semihosting

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* tag 'pull-10.2-maintainer-291025-1' of https://gitlab.com/stsquad/qemu: (35 commits)
  semihosting: Fix GDB File-I/O FLEN
  gdbstub: Fix %s formatting
  configs: drop SBSA_REF from minimal specification
  plugins/core: add missing QEMU_DISABLE_CFI annotations
  tests: add test with interrupted memory accesses on rv64
  tests: add test for double-traps on rv64
  tests: add plugin asserting correctness of discon event's to_pc
  target/xtensa: call plugin trap callbacks
  target/tricore: call plugin trap callbacks
  target/sparc: call plugin trap callbacks
  target/sh4: call plugin trap callbacks
  target/s390x: call plugin trap callbacks
  target/rx: call plugin trap callbacks
  target/riscv: call plugin trap callbacks
  target/ppc: call plugin trap callbacks
  target/openrisc: call plugin trap callbacks
  target/mips: call plugin trap callbacks
  target/microblaze: call plugin trap callbacks
  target/m68k: call plugin trap callbacks
  target/loongarch: call plugin trap callbacks
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-10-30 09:25:15 +01:00
Richard Henderson
0979667049 Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches

- Expose block limits in monitor and qemu-img info
- Resize: Refresh filter node size when its child was resized
- Support configuring stats-intervals in -device (instead of only -drive)
- luks: Fix QMP x-blockdev-amend crash and image creation with detached-header
- iotests: Several test case fixes
- Code cleanups

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* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
  qemu-img info: Add cache mode option
  qemu-img info: Optionally show block limits
  block: Expose block limits for images in QMP
  block: Improve comments in BlockLimits
  iotests: add test for resizing a 'file' node below a 'raw' node
  iotests: add test for resizing a node below filters
  block: implement 'resize' callback for child_of_bds class
  block: make bdrv_co_parent_cb_resize() a proper IO API function
  include/block/block_int-common: document when resize callback is used
  MAINTAINERS: Mark VHDX block driver as "Odd Fixes"
  block: enable stats-intervals for storage devices
  iotests: Adjust fuse-allow-other expected output
  iotests: Adjust nbd expected outputs to match current behavior
  block/curl.c: Fix CURLOPT_VERBOSE parameter type
  block/monitor: Use hmp_handle_error to report error
  block: fix luks 'amend' when run in coroutine
  block: remove 'detached-header' option from opts after use
  tests/qemu-iotests: Mark the 'inactive-node-nbd' as unsupported with -luks

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-10-30 09:24:15 +01:00
BALATON Zoltan
5795c7650e hw/ppc/pegasos: Update documentation for pegasos1
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Link: https://lore.kernel.org/r/f86b90f6839a0cf9426c0d89e95e6ca33704728c.1761346145.git.balaton@eik.bme.hu
Message-ID: <f86b90f6839a0cf9426c0d89e95e6ca33704728c.1761346145.git.balaton@eik.bme.hu>
2025-10-30 13:40:38 +05:30
Wilfred Mallawa
7f2eeccb4b hw/nvme: connect SPDM over NVMe Security Send/Recv
This patch extends the existing support we have for NVMe with only DoE
to also add support to SPDM over the NVMe Security Send/Recv commands.

With the new definition of the `spdm-trans` argument, users can specify
`spdm_trans=nvme` or `spdm_trans=doe`. This allows us to select the SPDM
transport respectively. SPDM over the NVMe Security Send/Recv commands
are defined in the DMTF DSP0286.

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
[k.jensen: fix declaration in case statement; fix quotes in docs]
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2025-10-30 07:07:14 +01:00
Julian Ganz
9fe4dd9943 contrib/plugins: add plugin showcasing new dicontinuity related API
We recently introduced new plugin API for registration of discontinuity
related callbacks. This change introduces a minimal plugin showcasing
the new API. It simply counts the occurances of interrupts, exceptions
and host calls per CPU and reports the counts when exitting.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Julian Ganz <neither@nut.email>
Message-ID: <20251027110344.2289945-11-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2025-10-29 14:12:43 +00:00
Alex Bennée
2d89f33cd0 ci: clean-up remaining bits of armhf builds.
We no longer need to support 32 bit builds and we missed this while
cleaning up.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20251027110344.2289945-2-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2025-10-29 14:12:43 +00:00
Kevin Wolf
911992fd6e qemu-img info: Add cache mode option
When querying block limits, different cache modes (in particular
O_DIRECT or not) can result in different limits. Add an option to
'qemu-img info' that allows the user to specify a cache mode, so that
they can get the block limits for the cache mode they intend to use with
their VM.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20251024123041.51254-5-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2025-10-29 12:10:10 +01:00
Kevin Wolf
5b4b3bfdfc qemu-img info: Optionally show block limits
Add a new --limits option to 'qemu-img info' that displays the block
limits for the image and all of its children, making the information
more accessible for human users than in QMP. This option is not enabled
by default because it can be a lot of output that isn't usually relevant
if you're not specifically trying to diagnose some I/O problem.

This makes the same information automatically also available in HMP
'info block -v'.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Message-ID: <20251024123041.51254-4-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2025-10-29 12:10:10 +01:00
Richard Henderson
e090e0312d Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging
trivial patches for 2025-10-29

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* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
  linux-user: Use correct type for FIBMAP and FIGETBSZ emulation
  hw/xen: Avoid non-inclusive language in params.h
  docs/system/sriov.rst: Fix typo in title
  tests/functional/i386: Remove unused variable from the replay test
  docs/system/keys: fix incorrect reset scaling key binding
  net/stream: remove deprecated 'reconnect' option
  chardev: remove deprecated 'reconnect' option

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-10-29 10:44:15 +01:00
Peter Maydell
e1be0f37e2 docs/system/sriov.rst: Fix typo in title
Fix a typo in the title of the sriov.rst document.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2025-10-28 16:51:09 +03:00
Mark Cave-Ayland
9a2aa6bfeb docs/about/deprecated.rst: document isapc deprecation for modern x86 CPU models
Add a new paragraph in the "Backwards compatibility" section documenting that
using modern x86 CPU models with the isapc machine is deprecated, and will be
rejected in a future release.

Signed-off-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20251023142926.964718-3-mark.caveayland@nutanix.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2025-10-28 14:50:07 +01:00
Nir Lichtman
337c7a7ad1 docs/system/keys: fix incorrect reset scaling key binding
Fix incorrect key binding for resetting the graphical frontends scaling

Signed-off-by: Nir Lichtman <nir@lichtman.org>
Fixes: 15421f7113 "ui/sdl2: fix reset scaling binding to be consistent with gtk"
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2025-10-28 16:49:34 +03:00
Vladimir Sementsov-Ogievskiy
015051a21c net/stream: remove deprecated 'reconnect' option
It was deprecated in 9.2, time to remove.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2025-10-28 16:49:34 +03:00
Vladimir Sementsov-Ogievskiy
f223a90b0c chardev: remove deprecated 'reconnect' option
It was deprecated in 9.2, time to remove.

Note, that (which become obvious with this commit) we forget to do some
checks for reconnect-ms options, for example, it was silently ignored
for listening server, instead of error-out. The commit fixes this, as
now we use reconnect_ms everywhere.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2025-10-28 16:49:34 +03:00