This picks up the new EPYC-Genoa, SapphireRapids & GraniteRapids CPUs,
removes the now deleted Icelake-Client CPU, and adds the newer versions
of many existing CPUs.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The 'header-rows' directive indicates how many rows in the generated
table are to be highlighted as headers. We only have one such row in
the CSV file included. This removes the accident bold highlighting
of the 'i486' CPU model.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
target/alpha: Use TCG_COND_TST{EQ,NE}
target/m68k: Use TCG_COND_TST{EQ,NE} in gen_fcc_cond
target/sparc: Use TCG_COND_TSTEQ in gen_op_mulscc
target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM}
target/s390x: Improve general case of disas_jcc
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Merge tag 'pull-tcg-20240205-2' of https://gitlab.com/rth7680/qemu into staging
tcg: Introduce TCG_COND_TST{EQ,NE}
target/alpha: Use TCG_COND_TST{EQ,NE}
target/m68k: Use TCG_COND_TST{EQ,NE} in gen_fcc_cond
target/sparc: Use TCG_COND_TSTEQ in gen_op_mulscc
target/s390x: Use TCG_COND_TSTNE for CC_OP_{TM,ICM}
target/s390x: Improve general case of disas_jcc
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# gpg: Signature made Tue 06 Feb 2024 03:19:12 GMT
# 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-20240205-2' of https://gitlab.com/rth7680/qemu: (39 commits)
tcg/tci: Support TCG_COND_TST{EQ,NE}
tcg/s390x: Support TCG_COND_TST{EQ,NE}
tcg/s390x: Add TCG_CT_CONST_CMP
tcg/s390x: Split constraint A into J+U
tcg/ppc: Support TCG_COND_TST{EQ,NE}
tcg/ppc: Add TCG_CT_CONST_CMP
tcg/ppc: Tidy up tcg_target_const_match
tcg/ppc: Use cr0 in tcg_to_bc and tcg_to_isel
tcg/ppc: Sink tcg_to_bc usage into tcg_out_bc
tcg/sparc64: Support TCG_COND_TST{EQ,NE}
tcg/sparc64: Pass TCGCond to tcg_out_cmp
tcg/sparc64: Hoist read of tcg_cond_to_rcond
tcg/i386: Use TEST r,r to test 8/16/32 bits
tcg/i386: Improve TSTNE/TESTEQ vs powers of two
tcg/i386: Support TCG_COND_TST{EQ,NE}
tcg/i386: Move tcg_cond_to_jcc[] into tcg_out_cmp
tcg/i386: Pass x86 condition codes to tcg_out_cmov
tcg/arm: Support TCG_COND_TST{EQ,NE}
tcg/arm: Split out tcg_out_cmp()
tcg/aarch64: Generate CBNZ for TSTNE of UINT32_MAX
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For consistency we should drop the names with a "+" in it in the
long run.
Message-ID: <20240117141054.73841-3-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Add the enumerators, adjust the helpers to match, and dump.
Not supported anywhere else just yet.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This patch adds the SPI controller for the BCM2835. Polling and interrupt modes
of transfer are supported. DMA and LoSSI modes are currently unimplemented.
Signed-off-by: Rayhan Faizel <rayhan.faizel@gmail.com>
Message-id: 20240129221807.2983148-2-rayhan.faizel@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We can't just embed labels directly into files like qemu-options.hx which
are included from multiple top-level rST files, because Sphinx sees the
labels as duplicate: https://github.com/sphinx-doc/sphinx/issues/9707
So add an optional argument to the SRST directive which causes a label
of the form '.. _DOCNAME-HXFILE-LABEL:' to be emitted, where 'DOCNAME'
is the name of the top level rST file, 'HXFILE' is the filename of the
.hx file, and 'LABEL' is the text provided within the 'SRST()' directive.
Using the DOCNAME of the top-level rST document means that it is unique
even when the .hx file is included from two different documents, as is
the case for qemu-options.hx
Now where the Xen PV documentation refers to the documentation for the
-initrd command line option, it can emit a link directly to it as
'<system/invocation-qemu-options-initrd>'.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240130190348.682912-1-dwmw2@infradead.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Update of buildroot images to 2023.11 (6.6.3 kernel)
* Check of the valid CPU type supported by aspeed machines
* Simplified models for the IBM's FSI bus and the Aspeed
controller bridge
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Merge tag 'pull-aspeed-20240201' of https://github.com/legoater/qemu into staging
aspeed queue:
* Update of buildroot images to 2023.11 (6.6.3 kernel)
* Check of the valid CPU type supported by aspeed machines
* Simplified models for the IBM's FSI bus and the Aspeed
controller bridge
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# gpg: Signature made Thu 01 Feb 2024 07:35:11 GMT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1
* tag 'pull-aspeed-20240201' of https://github.com/legoater/qemu:
hw/fsi: Update MAINTAINER list
hw/fsi: Added FSI documentation
hw/fsi: Added qtest
hw/arm: Hook up FSI module in AST2600
hw/fsi: Aspeed APB2OPB & On-chip peripheral bus
hw/fsi: Introduce IBM's FSI master
hw/fsi: Introduce IBM's cfam
hw/fsi: Introduce IBM's fsi-slave model
hw/fsi: Introduce IBM's FSI Bus
hw/fsi: Introduce IBM's scratchpad device
hw/fsi: Introduce IBM's Local bus
hw/arm/aspeed: Check for CPU types in machine_run_board_init()
hw/arm/aspeed: Introduce aspeed_soc_cpu_type() helper
hw/arm/aspeed: Init CPU defaults in a common helper
hw/arm/aspeed: Set default CPU count using aspeed_soc_num_cpus()
hw/arm/aspeed: Remove dead code
tests/avocado/machine_aspeed.py: Update buildroot images to 2023.11
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging
trivial patches for 2024-01-31
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# gpg: Signature made Wed 31 Jan 2024 11:55:19 GMT
# gpg: using RSA key 7B73BAD68BE7A2C289314B22701B4F6B1A693E59
# gpg: issuer "mjt@tls.msk.ru"
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" [full]
# gpg: aka "Michael Tokarev <mjt@corpit.ru>" [full]
# gpg: aka "Michael Tokarev <mjt@debian.org>" [full]
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5
# Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59
* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu: (21 commits)
hw/hyperv: Include missing headers
hw/intc/xics: Include missing 'cpu.h' header
hw/arm: Add `\n` to hint message
hw/loongarch: Add `\n` to hint message
hw/i386: Add `\n` to hint message
backends/hostmem: Fix block comments style (checkpatch.pl warnings)
misc: Clean up includes
riscv: Clean up includes
cxl: Clean up includes
include: Clean up includes
m68k: Clean up includes
acpi: Clean up includes
aspeed: Clean up includes
disas/riscv: Clean up includes
hyperv: Clean up includes
scripts/clean-includes: Update exclude list
mailmap: Fix Stefan Weil email
qemu-docs: Update options for graphical frontends
qapi/migration.json: Fix the member name for MigrationCapability
colo: examples: remove mentions of script= and (wrong) downscript=
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The command line options `-ctrl-grab` and `-alt-grab` have been removed
in QEMU 7.1. Instead, use the `-display sdl,grab-mod=<modifiers>` option
to specify the grab modifiers.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2103
Signed-off-by: Yihuan Pan <xun794@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
There's no need to repeat script=/etc/qemu-ifup in examples,
as it is already in there. More, all examples uses incorrect
"down script=" (which should be "downscript=").
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1757
Updates to qga help output and documentation for --allow-rpcs and --blocks-rpcs
Signed-off-by: "Angel M. Villegas" <anvilleg@cisco.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Add a note on CPU features that are off by default in `virt` machines.
Some CPU features will remain off even if a CPU-capable CPU (e.g.,
`-cpu max`) is selected because they require support in both the CPU
itself and in the wider system. Therefore, the user, besides selecting a
CPU that supports such features, must also turn on the feature using a
machine option.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-id: 20240122211215.95073-1-gustavo.romero@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add watchdog timer support to Allwinner-H40 and Bananapi.
The watchdog timer is added as an overlay to the Timer
module memory map.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Message-id: 20240115182757.1095012-4-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allwinner R40 supports an AHCI compliant SATA controller.
Add support for it.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20240115182757.1095012-3-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Allwinner R40 supports two USB host ports shared between a USB 2.0 EHCI
host controller and a USB 1.1 OHCI host controller. Add support for both
of them.
If machine USB support is not enabled, create unimplemented devices
for the USB memory ranges to avoid crashes when booting Linux.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240115182757.1095012-2-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
docs/interop/bitmaps.rst uses references like
`qemu-qmp-ref <qemu-qmp-ref.html>`_
`query-block <qemu-qmp-ref.html#index-query_002dblock>`_
to refer to and into docs/interop/qemu-qmp-ref.rst.
Clean up the former: use :doc:`qemu-qmp-ref`.
I don't know how to clean up the latter.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240120095327.666239-5-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Conversion of docs/devel/qapi-code-gen.txt to ReST left several
dangling references behind. Fix them to point to
docs/devel/qapi-code-gen.rst.
Fixes: f7aa076dbd (docs: convert qapi-code-gen.txt to ReST)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240120095327.666239-4-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Deletion of docs/interop/qmp-intro.txt left two dangling references
behind. Replace them by references to docs/interop/qmp-spec.rst.
Fixes: 0ec4468f23 (docs/interop: Delete qmp-intro.txt)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240120095327.666239-3-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240120095327.666239-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
We reserved type names ending with 'Kind' because a simple union
'SomeSimpleUnion' generated both a struct type SomeSimpleUnion and an
enum type SomeSimpleUnionKind. Gone since commit 4e99f4b12c (qapi:
Drop simple unions). The commit neglected to update the documentation
not to reserve type names ending with 'Kind'. Do that now.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20231221145727.835905-1-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The 16MiB flash device is only used by the deprecated shix machine.
Its code it old and unmaintained, and has never been adapted to the
QOM architecture. It still contains debug statements and uses global
variables. It is time to deprecate it.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240109083053.2581588-3-sam@rfc1149.net>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The shix machine has been designed and used at Télécom Paris from 2003
to 2010. It had been added to QEMU in 2005 and has not been maintained
since. Since nobody is using the physical board anymore nor interested
in maintaining the QEMU port, it is time to deprecate it.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240109083053.2581588-2-sam@rfc1149.net>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This option has been deprecated before the 8.1 release,
in commit 12fd0f41d0 ("Document that -singlestep command
line option is deprecated"). Time to drop it.
Inspired-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This command has been deprecated before the 8.1 release,
in commit e9ccfdd91d ("hmp: Add 'one-insn-per-tb' command
equivalent to 'singlestep'"). Time to drop it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: "Dr. David Alan Gilbert" <dave@treblig.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This member has been deprecated before the 8.1 release, in commit
34c18203d4 ("qmp: Deprecate 'singlestep' member of StatusInfo").
Time to drop it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's been marked as deprecated since QEMU 8.1, so it should be fine
to remove this now.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240118103759.130748-5-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's been marked as deprecated since QEMU 8.1 (and was only available
since QEMU 8.0 anyway), so it should be fine to remove this now.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240118103759.130748-4-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's been marked as deprecated since QEMU 8.0, so it should be fine
to remove this now.
Message-ID: <20240118103759.130748-3-thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's been marked as deprecated since QEMU 8.0, so it should be fine
to remove this now.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240118103759.130748-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Move it one layer down, so taking Virtio-migration as a feature for
migration.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-11-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Move it one layer down, so taking VFIO-migration as a feature for
migration.
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-10-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reorganize the page, moving things around, and add a few
headlines ("Postcopy internals", "Postcopy features") to cover sub-areas.
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-9-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Split postcopy into a separate file. Introduce a head page "features.rst"
to keep all the features on top of migration framework.
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-7-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Create an index page for migration module. Move VFIO migration there too.
A trivial touch-up on the title to use lower case there.
Since then we'll have "migration" as the top title, make the main doc file
renamed to "migration framework".
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-3-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Migration documentation is growing into a single file too large. Create a
sub-directory for it for a split.
We also already have separate vfio/virtio documentations, move it all over
into the directory.
Note that the virtio one is still not yet converted to rST. That is a job
for later.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240109064628.595453-2-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Although very similar to the STM32F4xx EXTI, STM32L4x5 EXTI generates
more than 32 event/interrupt requests and thus uses more registers
than STM32F4xx EXTI which generates 23 event/interrupt requests.
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240109160658.311932-2-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Improve the 'highmem' option docs to note that by default we assume
that a 32-bit kernel on an LPAE-capable CPU has LPAE enabled, and
what the consequences are.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20240109170834.1387457-1-peter.maydell@linaro.org
We don't currently document the syntax of .hx files anywhere
except in a few comments at the top of individual .hx files.
We don't even have somewhere in the developer docs where we
could do this.
Add a new files docs/devel/docs.rst which can be a place to
document how our docs build process works. For the moment,
put in only a brief introductory paragraph and the documentation
of the .hx files. We could later add to this file by for
example describing how the QAPI-schema-to-docs process works,
or anything else that developers might need to know about
how to add documentation.
Make the .hx files refer to this doc file, and clean
up their header comments to be more accurate for the
usage in each file and less cut-n-pasted.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-id: 20231212162313.1742462-1-peter.maydell@linaro.org
This is now expected by rtd so I've expanded using their example as
22.04 is one of our supported platforms. I tried to work out if there
was an easy way to re-generate a requirements.txt from our
pythondeps.toml but in the end went for the easier solution.
Cc: <qemu-stable@nongnu.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231221174200.2693694-1-alex.bennee@linaro.org>
Currently, the documentation outlines the process for building the
S-mode U-Boot image using `make menuconfig` and manual actions within
the menuconfig UI. However, this approach is fragile due to Kconfig
options potentially changing across different releases. For example,
CONFIG_OF_PRIOR_STAGE has been replaced by CONFIG_BOARD since v2022.01
release, and CONFIG_TEXT_BASE has been moved to the 'General setup'
menu from the 'Boot options' menu in v2024.01 release.
This update aims to make the S-mode U-Boot image build instructions
future-proof. It leverages the 'config' script provided in the U-Boot
source tree to edit the .config file, followed by a `make olddefconfig`.
Validated with U-Boot v2024.01 release.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240104071523.273702-1-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Since QEMU v8.0.0 the RISC-V virt machine has a switch to disable ACPI
table generation. Add it to the documentation.
Fixes: 168b8c29ce ("hw/riscv/virt: Add a switch to disable ACPI")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231220193436.25909-1-heinrich.schuchardt@canonical.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Enable FEAT_NV2 on the 'max' CPU, and stop filtering it out for
the Neoverse N2 and Neoverse V1 CPUs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
Enable FEAT_NV on the 'max' CPU, and stop filtering it out for the
Neoverse N2 and Neoverse V1 CPUs. We continue to downgrade FEAT_NV2
support to FEAT_NV for the latter two CPU types.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Miguel Luis <miguel.luis@oracle.com>
This commit adds a new B-L475E-IOT01A board using the STM32L475VG SoC
as well as a dedicated documentation file.
The implementation is derived from the Netduino Plus 2 machine.
There are no peripherals implemented yet, only memory regions.
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-id: 20240108135849.351719-3-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The term "QEMU global mutex" is identical to the more widely used Big
QEMU Lock ("BQL"). Update the code comments and documentation to use
"BQL" instead of "QEMU global mutex".
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-id: 20240102153529.486531-6-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The term "iothread lock" is obsolete. The APIs use Big QEMU Lock (BQL)
in their names. Update the code comments to use "BQL" instead of
"iothread lock".
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-id: 20240102153529.486531-5-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
If "busses" might be encountered as a plural of "bus" (5 instances),
the correct spelling is "buses" (26 instances). Fixing those 5
instances makes the doc more consistent.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This variable is about the host OS, not the target. It is used a lot
more since the Meson conversion, but the original sin dates back to 2003.
Time to fix it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
CONFIG_ALL is tricky to use and was ported over to Meson from the
recursive processing of Makefile variables. Meson sourcesets
however have all_sources() and all_dependencies() methods that
remove the need for it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-72-richard.henderson@linaro.org>
Encourage the use of locking primitives and stop mentioning the
AioContext lock since it is being removed.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20231205182011.1976568-12-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Some header clean-ups by Philippe
* Restrict type names to alphanumerical range (and a few special characters)
* Fix analyze-migration.py script on s390x
* Clean up and improve some tests
* Document handling of commas in CLI options parameters
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Merge tag 'pull-request-2023-12-20' of https://gitlab.com/thuth/qemu into staging
* Add compat machines for QEMU 9.0
* Some header clean-ups by Philippe
* Restrict type names to alphanumerical range (and a few special characters)
* Fix analyze-migration.py script on s390x
* Clean up and improve some tests
* Document handling of commas in CLI options parameters
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# gpg: Signature made Wed 20 Dec 2023 04:36:11 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-2023-12-20' of https://gitlab.com/thuth/qemu:
tests/unit/test-qmp-event: Replace fixture by global variables
tests/unit/test-qmp-event: Simplify event emission check
tests/unit/test-qmp-event: Drop superfluous mutex
tests/qtest/npcm7xx_pwm-test: Only do full testing in slow mode
qemu-options: Clarify handling of commas in options parameters
tests/qtest/migration-test: Fix analyze-migration.py for s390x
qom/object: Limit type names to alphanumerical and some few special characters
tests/unit/test-io-task: Rename "qemu:dummy" to avoid colon in the name
memory: Remove "qemu:" prefix from the "qemu:ram-discard-manager" type name
hw: Replace anti-social QOM type names (again)
docs/system/arm: Fix for rename of type "xlnx.bbram-ctrl"
target: Restrict 'sysemu/reset.h' to system emulation
hw/s390x/ipl: Remove unused 'exec/exec-all.h' included header
hw/misc/mips_itu: Remove unnecessary 'exec/exec-all.h' header
hw/ppc/spapr_hcall: Remove unused 'exec/exec-all.h' included header
system/qtest: Restrict QTest API to system emulation
system/qtest: Include missing 'hw/core/cpu.h' header
MAINTAINERS: Add some more vmware-related files to the corresponding section
hw: Add compat machines for 9.0
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Provide explicit guidance on dealing with option parameters as arbitrary
strings containing commas, such as in "file=my,file" and "string=a,b". The
updated documentation emphasizes the need to double commas when they
appear within such parameters.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1839
Signed-off-by: Yihuan Pan <xun794@gmail.com>
Message-ID: <20231213141706.629833-2-xun794@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
QOM type names containing ',' result in awful UI. We got rid of them
in v6.0.0 (commit e178113ff6 hw: Replace anti-social QOM type names).
A few have crept back since:
xlnx,cframe-reg
xlnx,efuse
xlnx,pmc-efuse-cache
xlnx,versal-cfu-apb
xlnx,versal-cfu-fdro
xlnx,versal-cfu-sfr
xlnx,versal-crl
xlnx,versal-efuse
xlnx,zynqmp-efuse
These are all device types. They can't be plugged with -device /
device_add, except for "xlnx,efuse" (I'm not sure that one is
intentional).
They *can* be used with -device / device_add to request help.
Usability is poor, though: you have to double the comma, like this:
$ qemu-system-aarch64 -device xlnx,,pmc-efuse-cache,help
They can also be used with -global, where you must *not* double the
comma:
$ qemu-system-aarch64 -global xlnx,efuse.drive-index=2
Trap for the unwary.
"xlnx,efuse", "xlnx,versal-efuse", "xlnx,pmc-efuse-cache",
"xlnx-zynqmp-efuse" are from v6.2.0, "xlnx,versal-crl" is from v7.1.0,
and the remainder are new.
Rename them all to "xlnx-FOO", like commit e178113ff6 did.
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-ID: <20231117114457.177308-3-thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Fixes: b65b4b7ae3 (xlnx-bbram: hw/nvram: Use dot in device type name)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[thuth: Use longhand syntax to avoid problems with the "." in the name]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20231117114457.177308-2-thuth@redhat.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
I noticed the code blocks where not rendering properly so thought I'd
better fix things up. So:
- Use better title for the machine type
- Explain why Xen is a little different
- Add a proper anchor to the tpm-device link
- add newline so code block properly renders
- add some indentation to make continuation clearer
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20231207130623.360473-1-alex.bennee@linaro.org>
One problem with flaky tests is they often only fail under CI
conditions which makes it hard to debug. We add an optional allow_fail
job so developers can trigger the only the flaky tests in the CI
environment if they are debugging.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231201093633.2551497-8-alex.bennee@linaro.org>
It doesn't make sense to have two classes of flaky tests. While it may
take the constrained environment of CI to trigger failures easily it
doesn't mean they don't occasionally happen on developer machines. As
CI is the gating factor to passing there is no point developers
running the tests locally anyway unless they are trying to fix things.
While we are at it update the language in the docs to discourage the
QEMU_TEST_FLAKY_TESTS becoming a permanent solution.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231201093633.2551497-3-alex.bennee@linaro.org>
From s390_possible_cpu_arch_ids() in hw/s390x/s390-virtio-ccw.c, the
"core-id" is the index of possible_cpus->cpus[], so it should only be
less than possible_cpus->len, which is equal to ms->smp.max_cpus.
Fix the wrong "core-id" 112, because it isn't less than maxcpus (36) in
-smp, and the valid core ids are 0-35 inclusive.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Message-ID: <20231127134917.568552-1-zhao1.liu@linux.intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Given the recent confusion around how QEMU detects the system
Meson installation, and/or decides to install its own, it is
time to fill in the "Python virtual environments and the QEMU
build system" section of the documentation.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It seems some users will try and use the gdbstub to debug userspace
inside a system emulation. While possible clarify the limitations of
this approach and direct the users to a less head scratching way of
debugging user-space.
Clarifies: https://gitlab.com/qemu-project/qemu/-/issues/1274
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231120150833.2552739-9-alex.bennee@linaro.org>
A surprising feature of calls like SYS_READC is this can cause QEMU to
indefinitely block as there is no handling for EOF.
Clarifies: https://gitlab.com/qemu-project/qemu/-/issues/1963
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231120150833.2552739-8-alex.bennee@linaro.org>
assertRegexpMatches() has been removed in Python 3.12 and should be replaced by
assertRegex(). See: https://docs.python.org/3.12/whatsnew/3.12.html#id3
Inspired-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231114144832.71612-1-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
assertEquals() has been removed in Python 3.12 and should be replaced by
assertEqual(). See: https://docs.python.org/3.12/whatsnew/3.12.html#id3
Message-ID: <20231114134326.287242-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Fixes: 593c28c02c "migration/doc: How to migrate when hosts have different features"
Fixes: 1aefe2ca14 "migration/doc: Add documentation for backwards compatiblity"
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Fixes: 864128df46 "migration: Deprecate old compression method"
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
In cpu_exec_step_atomic, we did not set CF_LAST_IO, which lead
to a loop with cpu_io_recompile.
But since 18a536f1f8 ("Always require can_do_io") we no longer
need a flag to indicate when the last insn should have can_do_io set,
so remove the flag entirely.
Reported-by: Clément Chigot <chigot@adacore.com>
Tested-by: Clément Chigot <chigot@adacore.com>
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1961
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* Two small s390x PCI fixes
* Update MAINTAINERS file with more entries
* Fix NetBSD VM test
* Clean up some bad wordings
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Merge tag 'pull-request-2023-11-13' of https://gitlab.com/thuth/qemu into staging
* Fix compilation with Clang 17 on s390x hosts
* Two small s390x PCI fixes
* Update MAINTAINERS file with more entries
* Fix NetBSD VM test
* Clean up some bad wordings
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# gpg: Signature made Mon 13 Nov 2023 06:03:30 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-2023-11-13' of https://gitlab.com/thuth/qemu:
hw/audio/es1370: Clean up comment
tests/tsan: Rename the file with the entries that should be ignored
test-resv-mem: Fix CID 1523911
tests/vm/netbsd: Use Python v3.11
MAINTAINERS: Add a general architecture section for x86
MAINTAINERS: Extend the Stellaris section
MAINTAINERS: Add hw/display/sii9022.c to the Versatile Express section
MAINTAINERS: Add hw/input/ads7846.c to the PXA2XX section
MAINTAINERS: Add include/hw/input/pl050.h to the PrimeCell/CMSDK section
s390x/pci: only limit DMA aperture if vfio DMA limit reported
s390x/pci: bypass vfio DMA counting when using cdev
host/include/generic/host/atomic128: Fix compilation problem with Clang 17
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Let's use a better file name here.
Message-ID: <20231109174720.375873-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Pylint advises:
docs/sphinx/qapidoc.py:518:12: W0707: Consider explicitly re-raising using 'raise ExtensionError(str(err)) from err' (raise-missing-from)
>From its manual:
Python's exception chaining shows the traceback of the current
exception, but also of the original exception. When you raise a
new exception after another exception was caught it's likely that
the second exception is a friendly re-wrapping of the first
exception. In such cases `raise from` provides a better link
between the two tracebacks in the final error.
Makes sense, so do it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20231025092159.1782638-2-armbru@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
virtio sound card support
vhost-user: back-end state migration
cxl:
line length reduction
enabling fabric management
vhost-vdpa:
shadow virtqueue hash calculation Support
shadow virtqueue RSS Support
tests:
CPU topology related smbios test cases
Fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, fixes
virtio sound card support
vhost-user: back-end state migration
cxl:
line length reduction
enabling fabric management
vhost-vdpa:
shadow virtqueue hash calculation Support
shadow virtqueue RSS Support
tests:
CPU topology related smbios test cases
Fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Tue 07 Nov 2023 18:06:50 HKT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (63 commits)
acpi/tests/avocado/bits: enable console logging from bits VM
acpi/tests/avocado/bits: enforce 32-bit SMBIOS entry point
hw/cxl: Add tunneled command support to mailbox for switch cci.
hw/cxl: Add dummy security state get
hw/cxl/type3: Cleanup multiple CXL_TYPE3() calls in read/write functions
hw/cxl/mbox: Add Get Background Operation Status Command
hw/cxl: Add support for device sanitation
hw/cxl/mbox: Wire up interrupts for background completion
hw/cxl/mbox: Add support for background operations
hw/cxl: Implement Physical Ports status retrieval
hw/pci-bridge/cxl_downstream: Set default link width and link speed
hw/cxl/mbox: Add Physical Switch Identify command.
hw/cxl/mbox: Add Information and Status / Identify command
hw/cxl: Add a switch mailbox CCI function
hw/pci-bridge/cxl_upstream: Move defintion of device to header.
hw/cxl/mbox: Generalize the CCI command processing
hw/cxl/mbox: Pull the CCI definition out of the CXLDeviceState
hw/cxl/mbox: Split mailbox command payload into separate input and output
hw/cxl/mbox: Pull the payload out of struct cxl_cmd and make instances constant
hw/cxl: Fix a QEMU_BUILD_BUG_ON() in switch statement scope issue.
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add notes about console and network support, and how to launch PV guests.
Clean up the disk configuration examples now that that's simpler, and
remove the comment about IDE unplug on q35/AHCI now that it's fixed.
Update the -initrd option documentation to explain how to quote commas
in module command lines, and reference it when documenting PV guests.
Also update stale avocado test filename in MAINTAINERS.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
This commit adds basic documentation for using virtio-snd.
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <e7fb941cf7636fdff40cbdcdcd660dec5f15ca3c.1698062525.git.manos.pitsidianakis@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
For vhost-user devices, qemu can migrate the virtio state, but not the
back-end's internal state. To do so, we need to be able to transfer
this internal state between front-end (qemu) and back-end.
At this point, this new feature is added for the purpose of virtio-fs
migration. Because virtiofsd's internal state will not be too large, we
believe it is best to transfer it as a single binary blob after the
streaming phase.
These are the additions to the protocol:
- New vhost-user protocol feature VHOST_USER_PROTOCOL_F_DEVICE_STATE
- SET_DEVICE_STATE_FD function: Front-end and back-end negotiate a file
descriptor over which to transfer the state.
- CHECK_DEVICE_STATE: After the state has been transferred through the
file descriptor, the front-end invokes this function to verify
success. There is no in-band way (through the file descriptor) to
indicate failure, so we need to check explicitly.
Once the transfer FD has been established via SET_DEVICE_STATE_FD
(which includes establishing the direction of transfer and migration
phase), the sending side writes its data into it, and the reading side
reads it until it sees an EOF. Then, the front-end will check for
success via CHECK_DEVICE_STATE, which on the destination side includes
checking for integrity (i.e. errors during deserialization).
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-Id: <20231016134243.68248-5-hreitz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In vDPA, GET_VRING_BASE does not stop the queried vring, which is why
SUSPEND was introduced so that the returned index would be stable. In
vhost-user, it does stop the vring, so under the same reasoning, it can
get away without SUSPEND.
Still, we do want to clarify that if the device is completely stopped,
i.e. all vrings are stopped, the back-end should cease to modify any
state relating to the guest. Do this by calling it "suspended".
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-Id: <20231016134243.68248-4-hreitz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently, the vhost-user documentation says that rings are to be
initialized in a disabled state when VHOST_USER_F_PROTOCOL_FEATURES is
negotiated. However, by the time of feature negotiation, all rings have
already been initialized, so it is not entirely clear what this means.
At least the vhost-user-backend Rust crate's implementation interpreted
it to mean that whenever this feature is negotiated, all rings are to
put into a disabled state, which means that every SET_FEATURES call
would disable all rings, effectively halting the device. This is
problematic because the VHOST_F_LOG_ALL feature is also set or cleared
this way, which happens during migration. Doing so should not halt the
device.
Other implementations have interpreted this to mean that the device is
to be initialized with all rings disabled, and a subsequent SET_FEATURES
call that does not set VHOST_USER_F_PROTOCOL_FEATURES will enable all of
them. Here, SET_FEATURES will never disable any ring.
This interpretation does not suffer the problem of unintentionally
halting the device whenever features are set or cleared, so it seems
better and more reasonable.
We can clarify this in the documentation by making it explicit that the
enabled/disabled state is tracked even while the vring is stopped.
Every vring is initialized in a disabled state, and SET_FEATURES without
VHOST_USER_F_PROTOCOL_FEATURES simply becomes one way to enable all
vrings.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-Id: <20231016134243.68248-3-hreitz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
GET_VRING_BASE does not mention that it stops the respective ring. Fix
that.
Furthermore, it is not fully clear what the "base offset" these
commands' documentation refers to is; an offset could be many things.
Be more precise and verbose about it, especially given that these
commands use different payload structures depending on whether the vring
is split or packed.
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-Id: <20231016134243.68248-2-hreitz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* Rename ext_icboz to ext_zicboz
* Rename ext_icbom to ext_zicbom
* Rename ext_icsr to ext_zicsr
* Rename ext_ifencei to ext_zifencei
* Add RISC-V Virtual IRQs and IRQ filtering support
* Change default linux-user cpu to 'max'
* Update 'virt' machine core limit
* Add query-cpu-model-expansion API
* Rename epmp to smepmp and expose the extension
* Clear pmp/smepmp bits on reset
* Ignore pmp writes when RW=01
* Support zicntr/zihpm flags and disable support
* Correct CSR_MSECCFG operations
* Update mail address for Weiwei Li
* Update RISC-V vector crypto to ratified v1.0.0
* Clear the Ibex/OpenTitan SPI interrupts even if disabled
* Set the OpenTitan priv to 1.12.0
* Support discontinuous PMU counters
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Merge tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu into staging
Third RISC-V PR for 8.2
* Rename ext_icboz to ext_zicboz
* Rename ext_icbom to ext_zicbom
* Rename ext_icsr to ext_zicsr
* Rename ext_ifencei to ext_zifencei
* Add RISC-V Virtual IRQs and IRQ filtering support
* Change default linux-user cpu to 'max'
* Update 'virt' machine core limit
* Add query-cpu-model-expansion API
* Rename epmp to smepmp and expose the extension
* Clear pmp/smepmp bits on reset
* Ignore pmp writes when RW=01
* Support zicntr/zihpm flags and disable support
* Correct CSR_MSECCFG operations
* Update mail address for Weiwei Li
* Update RISC-V vector crypto to ratified v1.0.0
* Clear the Ibex/OpenTitan SPI interrupts even if disabled
* Set the OpenTitan priv to 1.12.0
* Support discontinuous PMU counters
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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 07 Nov 2023 10:28:49 HKT
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013
* tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu: (49 commits)
docs/about/deprecated: Document RISC-V "pmu-num" deprecation
target/riscv: Add "pmu-mask" property to replace "pmu-num"
target/riscv: Use existing PMU counter mask in FDT generation
target/riscv: Don't assume PMU counters are continuous
target/riscv: Propagate error from PMU setup
target/riscv: cpu: Set the OpenTitan priv to 1.12.0
hw/ssi: ibex_spi_host: Clear the interrupt even if disabled
disas/riscv: Replace TABs with space
disas/riscv: Add support for vector crypto extensions
disas/riscv: Add rv_codec_vror_vi for vror.vi
disas/riscv: Add rv_fmt_vd_vs2_uimm format
target/riscv: Move vector crypto extensions to riscv_cpu_extensions
target/riscv: Expose Zvks[c|g] extnesion properties
target/riscv: Add cfg properties for Zvks[c|g] extensions
target/riscv: Expose Zvkn[c|g] extnesion properties
target/riscv: Add cfg properties for Zvkn[c|g] extensions
target/riscv: Expose Zvkb extension property
target/riscv: Replace Zvbb checking by Zvkb
target/riscv: Add cfg property for Zvkb extension
target/riscv: Expose Zvkt extension property
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Support for non 64b IOVA space
* Introduction of a PCIIOMMUOps callback structure to ease future
extensions
* Fix for a buffer overrun when writing the VF token
* PPC cleanups preparing ground for IOMMUFD support
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Merge tag 'pull-vfio-20231106' of https://github.com/legoater/qemu into staging
vfio queue:
* Support for non 64b IOVA space
* Introduction of a PCIIOMMUOps callback structure to ease future
extensions
* Fix for a buffer overrun when writing the VF token
* PPC cleanups preparing ground for IOMMUFD support
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# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 06 Nov 2023 22:35:30 HKT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [unknown]
# gpg: aka "Cédric Le Goater <clg@kaod.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: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1
* tag 'pull-vfio-20231106' of https://github.com/legoater/qemu: (22 commits)
vfio/common: Move vfio_host_win_add/del into spapr.c
vfio/spapr: Make vfio_spapr_create/remove_window static
vfio/container: Move spapr specific init/deinit into spapr.c
vfio/container: Move vfio_container_add/del_section_window into spapr.c
vfio/container: Move IBM EEH related functions into spapr_pci_vfio.c
util/uuid: Define UUID_STR_LEN from UUID_NONE string
util/uuid: Remove UUID_FMT_LEN
vfio/pci: Fix buffer overrun when writing the VF token
util/uuid: Add UUID_STR_LEN definition
hw/pci: modify pci_setup_iommu() to set PCIIOMMUOps
test: Add some tests for range and resv-mem helpers
virtio-iommu: Consolidate host reserved regions and property set ones
virtio-iommu: Implement set_iova_ranges() callback
virtio-iommu: Record whether a probe request has been issued
range: Introduce range_inverse_array()
virtio-iommu: Introduce per IOMMUDevice reserved regions
util/reserved-region: Add new ReservedRegion helpers
range: Make range_compare() public
virtio-iommu: Rename reserved_regions into prop_resv_regions
vfio: Collect container iova range info
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This has been replaced by a "pmu-mask" property that provides much more
flexibility.
Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
Acked-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Message-ID: <20231031154000.18134-6-rbradford@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The 'virt' RISC-V machine does not have a 8 core limit. The current
limit is set in include/hw/riscv/virt.h, VIRT_CPUS_MAX, set to 512 at
this moment.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1945
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231020200247.334403-2-dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
