Commit Graph

42 Commits

Author SHA1 Message Date
Paolo Bonzini
5433af7697 watchdog: remove -watchdog option
This was deprecated in 6.2 and is ready to go.  It removes quite a bit
of code that handled the registration of watchdog models.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-29 11:40:28 +02:00
Stefan Hajnoczi
8f3aeb012f Testing and CI changes:
- reduce number of targets for cross_user_build
   - update avocado xlnx_versal test with new binaries
   - add explicit timeouts to a number of avocado TCG tests
   - reduce default timeout to 120s
   - update lcitool to support cross-amd64
   - flatten a number of docker cross containers
   - clean up stale qemu/debian10 dependencies
   - remove obsolete Fedora VM test
   - add configure workaround for meson --disable-pie bug
   - disable --static-pie for aarch64 gitlab runner
   - update aarch32/aarch64 jobs to 22.04
   - deprecate 32 bit big-endian MIPS as a host
   - remove FROM qemu/ support from docker.py
   - remove Debian base images now everything is flat
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Merge tag 'pull-testing-next-200922-2' of https://github.com/stsquad/qemu into staging

Testing and CI changes:

  - reduce number of targets for cross_user_build
  - update avocado xlnx_versal test with new binaries
  - add explicit timeouts to a number of avocado TCG tests
  - reduce default timeout to 120s
  - update lcitool to support cross-amd64
  - flatten a number of docker cross containers
  - clean up stale qemu/debian10 dependencies
  - remove obsolete Fedora VM test
  - add configure workaround for meson --disable-pie bug
  - disable --static-pie for aarch64 gitlab runner
  - update aarch32/aarch64 jobs to 22.04
  - deprecate 32 bit big-endian MIPS as a host
  - remove FROM qemu/ support from docker.py
  - remove Debian base images now everything is flat

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# gpg: Signature made Tue 20 Sep 2022 12:57:51 EDT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.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: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-testing-next-200922-2' of https://github.com/stsquad/qemu: (30 commits)
  tests/docker: remove the Debian base images
  tests/docker: remove FROM qemu/ support from docker.py
  tests/docker: update and flatten debian-toolchain
  tests/docker: update and flatten debian-hexagon-cross
  tests/docker: update and flatten debian-loongarch-cross
  tests/docker: update and flatten debian-amd64-cross
  tests/lcitool: bump to latest version
  tests/docker: update and flatten debian-all-test-cross
  tests/docker: flatten debian-riscv64-test-cross
  Deprecate 32 bit big-endian MIPS
  gitlab-ci: update aarch32/aarch64 custom runner jobs
  gitlab-ci/custom-runners: Disable -static-pie for ubuntu-20.04-aarch64
  configure: explicitly set cflags for --disable-pie
  tests/vm: Remove obsolete Fedora VM test
  tests/docker: remove amd64 qemu/debian10 dependency
  tests/docker: remove tricore qemu/debian10 dependency
  tests/docker: flatten debian-powerpc-test-cross
  tests/docker: update and flatten debian-sparc64-cross
  tests/docker: update and flatten debian-sh4-cross
  tests/docker: update and flatten debian-mips64-cross
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-21 13:10:51 -04:00
Alex Bennée
54ab3c3fee Deprecate 32 bit big-endian MIPS
It's becoming harder to maintain a cross-compiler to test this host
architecture as the old stable Debian 10 ("Buster") moved into LTS
which supports fewer architectures. For now:

  - mark it's deprecation in the docs
  - downgrade the containers to build TCG tests only
  - drop the cross builds from our CI

Users with an appropriate toolchain and user-space can still take
their chances building it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220914155950.804707-22-alex.bennee@linaro.org>
2022-09-20 17:22:08 +01:00
Thomas Huth
582a098e6c qga: Replace 'blacklist' command line and config file options by 'block-rpcs'
Let's use a more appropriate wording for this command line and config
file option. The old ones are still accepted for compatibility reasons,
but marked as deprecated now so that it could be removed in a future
version of QEMU.

This change is based on earlier patches from Philippe Mathieu-Daudé,
with the idea for the new option name suggested by BALATON Zoltan.

And while we're at it, replace the "?" in the help text with "help"
since that does not have the problem of conflicting with the wildcard
character of the shells.

Message-Id: <20220727092135.302915-2-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-09-20 12:37:00 +02:00
Cédric Le Goater
1335caf312 ppc/ppc405: Remove taihu machine
It has been deprecated since 7.0.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220809153904.485018-2-clg@kaod.org>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-08-31 14:08:06 -03:00
Stefan Weil
120f765e03 Fix some typos in documentation (most of them found by codespell)
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Hongren (Zenithal) Zheng <i@zenithal.me>
Message-id: 20220812075642.1200578-1-sw@weilnetz.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-08-12 11:20:42 +01:00
Jason A. Donenfeld
5242876f37 hw/arm/virt: dt: add rng-seed property
In 60592cfed2 ("hw/arm/virt: dt: add kaslr-seed property"), the
kaslr-seed property was added, but the equally as important rng-seed
property was forgotten about, which has identical semantics for a
similar purpose. This commit implements it in exactly the same way as
kaslr-seed. It then changes the name of the disabling option to reflect
that this has more to do with randomness vs determinism, rather than
something particular about kaslr.

Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
[PMM: added deprecated.rst section for the deprecation]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-07-07 11:36:07 +01:00
Stefan Pejic
8e0e23445a target/mips: Undeprecate nanoMIPS ISA support in QEMU
nanoMIPS ISA support in QEMU is actively used by MediaTek and is
planned to be maintained and potentially extended by MediaTek in
future.

Un-orphan nanoMIPS ISA support in QEMU by setting a maintainer from
MediaTek and remove deprecation notes from documentation as well.

Signed-off-by: Stefan Pejic <stefan.pejic@syrmia.com>
Message-Id: <20220504110403.613168-8-stefan.pejic@syrmia.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2022-06-11 11:36:07 +02:00
Klaus Jensen
8b1e59a687 hw/nvme: deprecate the use-intel-id compatibility parameter
Since version 5.2 commit 6eb7a07129 ("hw/block/nvme: change controller
pci id"), the emulated NVMe controller has defaulted to a non-Intel PCI
identifier.

Deprecate the compatibility parameter so we can get rid of it once and
for all.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-06-03 21:48:24 +02:00
Klaus Jensen
36d83272d5 hw/nvme: do not auto-generate eui64
We cannot provide auto-generated unique or persistent namespace
identifiers (EUI64, NGUID, UUID) easily. Since 6.1, namespaces have been
assigned a generated EUI64 of the form "52:54:00:<namespace counter>".
This is will be unique within a QEMU instance, but not globally.

Revert that this is assigned automatically and immediately deprecate the
compatibility parameter. Users can opt-in to this with the
`eui64-default=on` device parameter or set it explicitly with
`eui64=UINT64`.

Cc: libvir-list@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2022-06-03 21:48:24 +02:00
Thomas Huth
707d93d4ab ui: Remove deprecated options "-sdl" and "-curses"
We have "-sdl" and "-curses", but no "-gtk" and no "-cocoa" ...
these old-style options are rather confusing than helpful nowadays.
Now that the deprecation period is over, let's remove them, so we
get a cleaner interface (where "-display" is the only way to select
the user interface).

Message-Id: <20220519155625.1414365-4-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-06-03 08:03:28 +02:00
Thomas Huth
a743d60bca ui: Remove deprecated parameters of the "-display sdl" option
Dropping these deprecated parameters simplifies further refactoring
(e.g. QAPIfication is easier without underscores in the name).

Message-Id: <20220519155625.1414365-2-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-06-03 08:03:28 +02:00
Paolo Bonzini
039a68373c introduce -audio as a replacement for -soundhw
-audio is used like "-audio pa,model=sb16".  It is almost as simple as
-soundhw, but it reuses the -audiodev parsing machinery and attaches an
audiodev to the newly-created device.  The main 'feature' is that
it knows about adding the codec device for model=intel-hda, and adding
the audiodev to the codec device.

In the future, it could be extended to support default models or
builtin devices, just like -nic, or even a default backend.  For now,
keep it simple.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-14 12:33:44 +02:00
Paolo Bonzini
6e57793748 rng: make opened property read-only
The ``opened=on`` option in the command line or QMP ``object-add`` either had
no effect (if ``opened`` was the last option) or caused errors.  The property
is therefore useless and was deprecated in 6.0; make it read-only now.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-14 12:33:44 +02:00
Paolo Bonzini
0310641c06 crypto: make loaded property read-only
The ``loaded=on`` option in the command line or QMP ``object-add`` either had
no effect (if ``loaded`` was the last option) or caused options to be
effectively ignored as if they were not given.  The property is therefore
useless and was deprecated in 6.0; make it read-only now.

The patch is best reviewed with "-b".

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-14 12:33:44 +02:00
Robert Hoo
6df39f5e58 i386/cpu: Remove the deprecated cpu model 'Icelake-Client'
Icelake, is the codename for Intel 3rd generation Xeon Scalable server
processors. There isn't ever client variants. This "Icelake-Client" CPU
model was added wrongly and imaginarily.

It has been deprecated since v5.2, now it's time to remove it completely
from code.

Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1647247859-4947-1-git-send-email-robert.hu@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-14 12:32:41 +02:00
Paolo Bonzini
e960a7ee46 remove -writeconfig
Like -set and -readconfig, it would not really be too hard to
extend -writeconfig to parsing mechanisms other than QemuOpts.
However, the uses of -writeconfig are substantially more
limited, as it is generally easier to write the configuration
by hand in the first place.  In addition, -writeconfig does
not even try to detect cases where it prints incorrect
syntax (for example if values have a quote in them, since
qemu_config_parse does not support any kind of escaping.
Just remove it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220414145721.326866-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-28 08:51:56 +02:00
Daniel P. Berrangé
c6b310b37c softmmu: remove deprecated --enable-fips option
Users requiring FIPS support must build QEMU with either the libgcrypt
or gnutls libraries as the crytography backend.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-04-26 16:12:25 +01:00
Thomas Huth
f59fb1889f hw/i386/pc_piix: Mark the machine types from version 1.4 to 1.7 as deprecated
The list of machine types grows larger and larger each release ... and
it is unlikely that many people still use the very old ones for live
migration. QEMU v1.7 has been released more than 8 years ago, so most
people should have updated their machines to a newer version in those
8 years at least once. Thus let's mark the very old 1.x machine types
as deprecated now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220117191639.278497-1-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-03-06 05:08:23 -05:00
Joel Stanley
50f97a0ec6 arm: Remove swift-bmc machine
It was scheduled for removal in 7.0.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-26 18:40:51 +01:00
Dr. David Alan Gilbert
34deee7b6a Deprecate C virtiofsd
There's a nice new Rust implementation out there; recommend people
do new work on that.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20220210174714.19843-1-dgilbert@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-02-14 17:11:20 +00:00
Thomas Huth
74154d7e4a linux-user: Remove the deprecated ppc64abi32 target
It's likely broken, and nobody cared for picking it up again
during the deprecation phase, so let's remove this now.

Since this is the last entry in deprecated_targets_list, remove
the related code in the configure script, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211215084958.185214-1-thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220112112722.3641051-32-alex.bennee@linaro.org>
2022-02-09 13:29:38 +00:00
Yang Zhong
a66bd91f03 qapi: Cleanup SGX related comments and restore @section-size
The SGX NUMA patches were merged into Qemu 7.0 release, we need
clarify detailed version history information and also change
some related comments, which make SGX related comments clearer.

The QMP command schema promises backwards compatibility as standard.
We temporarily restore "@section-size", which can avoid incompatible
API breakage. The "@section-size" will be deprecated in 7.2 version.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220120223104.437161-1-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-01-28 11:13:33 +01:00
Thomas Huth
fe86fe237c qemu-options: Remove the deprecated -no-quit option
This option was just a wrapper around the -display ...,window-close=off
parameter, and the name "no-quit" is rather confusing compared to
"window-close" (since there are still other means to quit the emulator),
so let's remove this now.

Message-Id: <20211215082417.180735-1-thuth@redhat.com>
Acked-by: Michal Prívozník <mprivozn@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-01-05 11:10:13 +01:00
Thomas Huth
26e8bed611 ppc: Mark the 'taihu' machine as deprecated
The PPC 405 CPU is a system-on-a-chip, so all 405 machines are very similar,
except for some external periphery. However, the periphery of the 'taihu'
machine is hardly emulated at all (e.g. neither the LCD nor the USB part had
been implemented), so there is not much value added by this board. The users
can use the 'ref405ep' machine to test their PPC405 code instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20211203164904.290954-2-thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211206103712.1866296-3-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-12-17 17:57:17 +01:00
Thomas Huth
6b717a8d44 hw/misc/sifive_u_otp: Use IF_PFLASH for the OTP device instead of IF_NONE
Configuring a drive with "if=none" is meant for creation of a backend
only, it should not get automatically assigned to a device frontend.
Use "if=pflash" for the One-Time-Programmable device instead (like
it is e.g. also done for the efuse device in hw/arm/xlnx-zcu102.c).

Since the old way of configuring the device has already been published
with the previous QEMU versions, we cannot remove this immediately, but
have to deprecate it and support it for at least two more releases.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20211119102549.217755-1-thuth@redhat.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2021-11-22 10:43:54 +10:00
Kevin Wolf
4d8b0f0a95 docs: Deprecate incorrectly typed device_add arguments
While introducing a non-QemuOpts code path for device creation for JSON
-device, we noticed that QMP device_add doesn't check its input
correctly (accepting arguments that should have been rejected), and that
users may be relying on this behaviour (libvirt did until it was fixed
recently).

Let's use a deprecation period before we fix this bug in QEMU to avoid
nasty surprises for users.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20211111143530.18985-1-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20211115145409.176785-12-kwolf@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
2021-11-16 09:43:50 +01:00
Vladimir Sementsov-Ogievskiy
1084159b31 qapi: deprecate drive-backup
Modern way is using blockdev-add + blockdev-backup, which provides a
lot more control on how target is opened.

As example of drive-backup problems consider the following:

User of drive-backup expects that target will be opened in the same
cache and aio mode as source. Corresponding logic is in
drive_backup_prepare(), where we take bs->open_flags of source.

It works rather bad if source was added by blockdev-add. Assume source
is qcow2 image. On blockdev-add we should specify aio and cache options
for file child of qcow2 node. What happens next:

drive_backup_prepare() looks at bs->open_flags of qcow2 source node.
But there no BDRV_O_NOCAHE neither BDRV_O_NATIVE_AIO: BDRV_O_NOCAHE is
places in bs->file->bs->open_flags, and BDRV_O_NATIVE_AIO is nowhere,
as file-posix parse options and simply set s->use_linux_aio.

The documentation is updated in a minimal way, so that drive-backup is
noted only as a deprecated command, and blockdev-backup used in most of
places.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2021-11-09 18:21:19 +01:00
Philippe Mathieu-Daudé
66d96a1901 docs/about/deprecated: Remove empty 'related binaries' section
Commit 497a30dbb0 ("qemu-img: Require -F with -b backing image")
removed the content of the "Related binaries" section but forgot
to remove the section title. Since it is now empty, remove it too.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Joaquin de Andres <me@xcancerberox.com.ar>
Message-Id: <20211105142656.145791-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-11-09 10:11:27 +01:00
Richard Henderson
b1fd92137e * Build system fixes and cleanups
* DMA support in the multiboot option ROM
 * Rename default-bus-bypass-iommu
 * Deprecate -watchdog and cleanup -watchdog-action
 * HVF fix for <PAGE_SIZE regions
 * Support TSC scaling for AMD nested virtualization
 * Fix for ESP fuzzing bug
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Build system fixes and cleanups
* DMA support in the multiboot option ROM
* Rename default-bus-bypass-iommu
* Deprecate -watchdog and cleanup -watchdog-action
* HVF fix for <PAGE_SIZE regions
* Support TSC scaling for AMD nested virtualization
* Fix for ESP fuzzing bug

# gpg: Signature made Tue 02 Nov 2021 10:57:37 AM 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]

* remotes/bonzini/tags/for-upstream: (27 commits)
  configure: fix --audio-drv-list help message
  configure: Remove the check for the __thread keyword
  Move the l2tpv3 test from configure to meson.build
  meson: remove unnecessary coreaudio test program
  meson: remove pointless warnings
  meson.build: Allow to disable OSS again
  meson: bump submodule to 0.59.3
  qtest/am53c974-test: add test for cancelling in-flight requests
  esp: ensure in-flight SCSI requests are always cancelled
  KVM: SVM: add migration support for nested TSC scaling
  hw/i386: fix vmmouse registration
  watchdog: remove select_watchdog_action
  vl: deprecate -watchdog
  watchdog: add information from -watchdog help to -device help
  hw/i386: Rename default_bus_bypass_iommu
  hvf: Avoid mapping regions < PAGE_SIZE as ram
  configure: do not duplicate CPU_CFLAGS into QEMU_LDFLAGS
  configure: remove useless NPTL probe
  target/i386: use DMA-enabled multiboot ROM for new-enough QEMU machine types
  optionrom: add a DMA-enabled multiboot ROM
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-03 13:07:30 -04:00
Daniel P. Berrangé
7c8d295b27 hw/misc: deprecate the 'sga' device
This is obsolete since SeaBIOS 1.11.0 introduced native support for
sending messages to the serial console. The new support can be
activated using -machine graphics=off on x86 targets.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20210909123219.862652-1-berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-11-02 17:24:18 +01:00
Paolo Bonzini
d12b64eaeb vl: deprecate -watchdog
-watchdog is the same as -device except that it is case insensitive (and it
allows only watchdog devices of course).  Now that "-device help" can list
as such the available watchdog devices, we can deprecate it.

Note that even though -watchdog tries to be case insensitive, it fails
at that: "-watchdog i6300xyz" fails with "Unknown -watchdog device",
but "-watchdog i6300ESB" also fails (when the generated -device option
is processed) with an error "'i6300ESB' is not a valid device model name".
For this reason, the documentation update does not mention the case
insensitivity of -watchdog.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-11-02 15:57:27 +01:00
Markus Armbruster
75ecee7262 qapi: Enable enum member introspection to show more than name
The next commit will add feature flags to enum members.  There's a
problem, though: query-qmp-schema shows an enum type's members as an
array of member names (SchemaInfoEnum member @values).  If it showed
an array of objects with a name member, we could simply add more
members to these objects.  Since it's just strings, we can't.

I can see three ways to correct this design mistake:

1. Do it the way we should have done it, plus compatibility goo.

   We want a ['SchemaInfoEnumMember'] member in SchemaInfoEnum.  Since
   changing @values would be a compatibility break, add a new member
   @members instead.

   @values is now redundant.  In my testing, output of
   qemu-system-x86_64's query-qmp-schema grows by 11% (18.5KiB).

   We can deprecate @values now and drop it later.  This will break
   outmoded clients.  Well-behaved clients such as libvirt are
   expected to break cleanly.

2. Like 1, but omit "boring" elements of @member, and empty @member.

   @values does not become redundant.  @members augments it.  Somewhat
   cumbersome, but output of query-qmp-schema grows only as we make
   enum members non-boring.

   There is nothing to deprecate here.

3. Versioned query-qmp-schema.

   query-qmp-schema provides either @values or @members.  The QMP
   client can select which version it wants.  There is no redundant
   output.

   We can deprecate old versions and eventually drop them.  This will
   break outmoded clients.  Breaking cleanly is easier than for 1.

   While 1 and 2 operate within the common rules for compatible
   evolution apply (section "Compatibility considerations" in
   docs/devel/qapi-code-gen.rst), 3 bypasses them.  Attractive when
   operating within the rules is just too awkward.  Not the case here.

This commit implements 1.  Libvirt developers prefer it.

Deprecate @values in favour of @members.  Since query-qmp-schema
compatibility is pretty fundamental for management applications, an
extended grace period is advised.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Peter Krempa <pkrempa@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Message-Id: <20211025042405.3762351-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
2021-10-27 17:18:43 +02:00
Yanan Wang
c2511b1632 machine: Deprecate "parameter=0" SMP configurations
In the SMP configuration, we should either provide a topology
parameter with a reasonable value (greater than zero) or just
omit it and QEMU will compute the missing value.

The users shouldn't provide a configuration with any parameter
of it specified as zero (e.g. -smp 8,sockets=0) which could
possibly cause unexpected results in the -smp parsing. So we
deprecate this kind of configurations since 6.2 by adding the
explicit sanity check.

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210929025816.21076-3-wangyanan55@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-01 15:27:56 +02:00
Daniel Henrique Barboza
d43f1670c7 qapi/qdev.json: add DEVICE_UNPLUG_GUEST_ERROR QAPI event
At this moment we only provide one event to report a hotunplug error,
MEM_UNPLUG_ERROR. As of Linux kernel 5.12 and QEMU 6.0.0, the pseries
machine is now able to report unplug errors for other device types, such
as CPUs.

Instead of creating a (device_type)_UNPLUG_ERROR for each new device,
create a generic DEVICE_UNPLUG_GUEST_ERROR event that can be used by all
guest side unplug errors in the future. This event has a similar API as
the existing DEVICE_DELETED event, always providing the QOM path of the
device and dev->id if there's any.

With this new generic event, MEM_UNPLUG_ERROR is now marked as deprecated.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210907004755.424931-6-danielhb413@gmail.com>
[dwg: Correct missing ')' in stubs/qdev.c]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-09-30 12:25:51 +10:00
Marc-André Lureau
7f800d34aa docs: add supported host CPU architectures section
I was looking for such documentation, but couldn't find it. Add it to
the build-platform.rst document.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-14 16:51:58 +04:00
Thomas Huth
6695e4c0fd softmmu/vl: Deprecate the -sdl and -curses option
It's not that much complicated to type "-display sdl" or "-display curses",
so we should not clutter our main option name space with such simple
wrapper options and rather present the users with a concise interface
instead. Thus let's deprecate the "-sdl" and "-curses" wrapper options now.

Message-Id: <20210825092023.81396-4-thuth@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-09-06 10:00:14 +02:00
Thomas Huth
d46156fdcc softmmu/vl: Deprecate the old grab options
The alt_grab and ctrl_grab parameter of the -display sdl option prevent
the QAPIfication of the "sdl" part of the -display option, so we should
eventually remove them. And since this feature is also rather niche anyway,
we should not clutter the top-level option list with these, so let's
also deprecate the "-alt-grab" and the "-ctrl-grab" options while we're
at it.

Once the deprecation period of "alt_grab" and "ctrl_grab" is over, we
then can finally switch the -display sdl option to use QAPI internally,
too.

Message-Id: <20210825092023.81396-3-thuth@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-09-06 10:00:14 +02:00
Mahmoud Mandour
67f145745f docs/deprecated: deprecate passing plugin args through arg=
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Message-Id: <20210802134414.52037-1-ma.mandourr@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[AJB: fixed up move of deprecated.rst]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2021-09-02 11:29:34 +01:00
Philippe Mathieu-Daudé
57469ed384 hw/arm/raspi: Remove deprecated raspi2/raspi3 aliases
Remove the raspi2/raspi3 machine aliases,
deprecated since commit 155e1c82ed.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210827060815.2384760-3-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-09-01 11:08:15 +01:00
Yanan Wang
e2cc363bbb docs/about: Unify the subject format
There is a mixture of "since/removed in X.Y" vs "since/removed in X.Y.Z"
in the subjects in deprecated.rst/removed-features.rst. It will be better
to use an unified format. It seems unlikely that we will ever deprecate
something in a stable release, and even more unlikely that we'll remove
something in one, so the short versions look like the thing we want to
standardize on.

So here we unify the subject format in deprecated.rst to "since X.Y", and
unify the subject format in removed-features.rst to "removed in X.Y".

Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210823030005.165668-3-wangyanan55@huawei.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-08-25 11:34:03 +02:00
Peter Maydell
f347839258 docs: Move deprecation, build and license info out of system/
Now that we have a single Sphinx manual rather than multiple manuals,
we can provide a better place for "common to all of QEMU" information
like the deprecation notices, build platforms, license information,
which we currently have in the system/ manual even though it applies
to all of QEMU.

Create a new directory about/ on the same level as system/, user/,
etc, and move these documents there.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20210705095547.15790-5-peter.maydell@linaro.org
2021-07-18 10:59:47 +01:00