]> git.ipfire.org Git - thirdparty/qemu.git/log
thirdparty/qemu.git
2 years agohw/sd/sdcard: Trace block offset in READ/WRITE data accesses
Philippe Mathieu-Daudé [Wed, 19 Jun 2024 18:26:47 +0000 (20:26 +0200)] 
hw/sd/sdcard: Trace block offset in READ/WRITE data accesses

Useful to detect out of bound accesses.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240628070216.92609-5-philmd@linaro.org>

2 years agohw/sd/sdcard: Track last command used to help logging
Philippe Mathieu-Daudé [Thu, 13 Jun 2024 23:44:28 +0000 (01:44 +0200)] 
hw/sd/sdcard: Track last command used to help logging

The command is selected on the I/O lines, and further
processing might be done on the DAT lines via the
sd_read_byte() and sd_write_byte() handlers. Since
these methods can't distinct between normal and APP
commands, keep the name of the current command in
the SDState and use it in the DAT handlers. This
fixes a bug that all normal commands were displayed
as APP commands.

Fixes: 2ed61fb57b ("sdcard: Display command name when tracing CMD/ACMD")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240628070216.92609-4-philmd@linaro.org>

2 years agohw/sd/sdcard: Deprecate support for spec v1.10
Philippe Mathieu-Daudé [Thu, 27 Jun 2024 06:57:38 +0000 (08:57 +0200)] 
hw/sd/sdcard: Deprecate support for spec v1.10

We use the v2.00 spec by default since commit 2f0939c234
("sdcard: Add a 'spec_version' property, default to Spec v2.00").
Time to deprecate the v1.10 which doesn't bring much, and
is not tested.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240627071040.36190-2-philmd@linaro.org>

2 years agotests/qtest/migration-test: enable on s390x with TCG
Nicholas Piggin [Sat, 25 May 2024 13:12:39 +0000 (23:12 +1000)] 
tests/qtest/migration-test: enable on s390x with TCG

s390x with TCG is more stable now. Enable it.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240525131241.378473-3-npiggin@gmail.com>
Reviewed-by: Prasad Pandit <pjp@fedoraproject.org>
[thuth: Added "with TCG" to the commit message]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2 years agohw/intc/s390_flic: Fix interrupt controller migration on s390x with TCG
Thomas Huth [Wed, 19 Jun 2024 14:44:21 +0000 (16:44 +0200)] 
hw/intc/s390_flic: Fix interrupt controller migration on s390x with TCG

Migration of a s390x guest with TCG was long known to be very unstable,
so the tests in tests/qtest/migration-test.c are disabled if running
with TCG instead of KVM.

Nicholas Piggin did a great analysis of the problem:

"The flic pending state is not migrated, so if the machine is migrated
 while an interrupt is pending, it can be lost. This shows up in
 qtest migration test, an extint is pending (due to console writes?)
 and the CPU waits via s390_cpu_set_psw and expects the interrupt to
 wake it. However when the flic pending state is lost, s390_cpu_has_int
 returns false, so s390_cpu_exec_interrupt falls through to halting
 again."

Thus let's finally migrate the pending state, and to be on the safe
side, also the other state variables of the QEMUS390FLICState structure.

Message-ID: <20240619144421.261342-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2 years agohw/net:ftgmac100: fix coding style
Jamin Lin [Wed, 19 Jun 2024 10:01:01 +0000 (18:01 +0800)] 
hw/net:ftgmac100: fix coding style

Fix coding style issues from checkpatch.pl

Test command:
./scripts/checkpatch.pl --no-tree -f hw/net/ftgmac100.c

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2 years agoaspeed/sdmc: Remove extra R_MAIN_STATUS case
Jamin Lin [Tue, 25 Jun 2024 07:07:40 +0000 (15:07 +0800)] 
aspeed/sdmc: Remove extra R_MAIN_STATUS case

Coverity reports that the newly added 'case R_MAIN_STATUS' is DEADCODE
because it can not be reached. This is because R_MAIN_STATUS is handled
before in the "Unprotected registers" switch statement. Remove it.

Fixes: Coverity CID 1547112
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
[ clg: Rewrote commit log ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2 years agoaspeed/soc: Fix possible divide by zero
Jamin Lin [Tue, 25 Jun 2024 07:07:39 +0000 (15:07 +0800)] 
aspeed/soc: Fix possible divide by zero

Coverity reports a possible DIVIDE_BY_ZERO issue regarding the
"ram_size" object property. This can not happen because RAM has
predefined valid sizes per SoC. Nevertheless, add a test to
close the issue.

Fixes: Coverity CID 1547113
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
[ clg: Rewrote commit log ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2 years agoaspeed/sdmc: Check RAM size value at realize time
Cédric Le Goater [Tue, 25 Jun 2024 06:37:43 +0000 (08:37 +0200)] 
aspeed/sdmc: Check RAM size value at realize time

The RAM size of the SDMC device is validated for the SoC and set when
the Aspeed machines are initialized and then later used by several
SoC implementations. However, the SDMC model never checks that the RAM
size has been actually set before being used. Do that at realize.

Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Jamin_lin < jamin_lin@aspeedtech.com>
2 years agoaspeed: Deprecate the tacoma-bmc machine
Cédric Le Goater [Mon, 24 Jun 2024 17:29:18 +0000 (19:29 +0200)] 
aspeed: Deprecate the tacoma-bmc machine

The tacoma-bmc machine was a board including an AST2600 SoC based BMC
and a witherspoon like OpenPOWER system. It was used for bring up of
the AST2600 SoC in labs. It can be easily replaced by the rainier-bmc
machine which is part of a real product offering.

Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/gpio/aspeed: Add reg_table_count to AspeedGPIOClass
Zheyu Ma [Thu, 20 Jun 2024 14:02:39 +0000 (16:02 +0200)] 
hw/gpio/aspeed: Add reg_table_count to AspeedGPIOClass

ASan detected a global-buffer-overflow error in the aspeed_gpio_read()
function. This issue occurred when reading beyond the bounds of the
reg_table.

To enhance the safety and maintainability of the Aspeed GPIO code, this commit
introduces a reg_table_count member to the AspeedGPIOClass structure. This
change ensures that the size of the GPIO register table is explicitly tracked
and initialized, reducing the risk of errors if new register tables are
introduced in the future.

Reproducer:
cat << EOF | qemu-system-aarch64 -display none \
-machine accel=qtest, -m 512M -machine ast1030-evb -qtest stdio
readq 0x7e780272
EOF

ASAN log indicating the issue:
==2602930==ERROR: AddressSanitizer: global-buffer-overflow on address 0x55a5da29e128 at pc 0x55a5d700dc62 bp 0x7fff096c4e90 sp 0x7fff096c4e88
READ of size 2 at 0x55a5da29e128 thread T0
    #0 0x55a5d700dc61 in aspeed_gpio_read hw/gpio/aspeed_gpio.c:564:14
    #1 0x55a5d933f3ab in memory_region_read_accessor system/memory.c:445:11
    #2 0x55a5d92fba40 in access_with_adjusted_size system/memory.c:573:18
    #3 0x55a5d92f842c in memory_region_dispatch_read1 system/memory.c:1426:16
    #4 0x55a5d92f7b68 in memory_region_dispatch_read system/memory.c:1459:9
    #5 0x55a5d9376ad1 in flatview_read_continue_step system/physmem.c:2836:18
    #6 0x55a5d9376399 in flatview_read_continue system/physmem.c:2877:19
    #7 0x55a5d93775b8 in flatview_read system/physmem.c:2907:12

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2355
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
2 years agoRemove inclusion of hw/hw.h from files that don't need it
Thomas Huth [Mon, 1 Jul 2024 13:26:49 +0000 (15:26 +0200)] 
Remove inclusion of hw/hw.h from files that don't need it

hw/hw.h only contains the prototype of hw_error() nowadays, so
files that don't use this function don't need to include this
header.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20240701132649.58345-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agonet/vmnet: Drop ifdef for macOS versions older than 12.0
Akihiko Odaki [Sat, 29 Jun 2024 06:24:47 +0000 (15:24 +0900)] 
net/vmnet: Drop ifdef for macOS versions older than 12.0

macOS versions older than 12.0 are no longer supported.

docs/about/build-platforms.rst says:
> Support for the previous major version will be dropped 2 years after
> the new major version is released or when the vendor itself drops
> support, whichever comes first.

macOS 12.0 was released 2021:
https://www.apple.com/newsroom/2021/10/macos-monterey-is-now-available/

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240629-macos-v1-4-6e70a6b700a0@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agoblock/file-posix: Drop ifdef for macOS versions older than 12.0
Akihiko Odaki [Sat, 29 Jun 2024 06:24:46 +0000 (15:24 +0900)] 
block/file-posix: Drop ifdef for macOS versions older than 12.0

macOS versions older than 12.0 are no longer supported.

docs/about/build-platforms.rst says:
> Support for the previous major version will be dropped 2 years after
> the new major version is released or when the vendor itself drops
> support, whichever comes first.

macOS 12.0 was released 2021:
https://www.apple.com/newsroom/2021/10/macos-monterey-is-now-available/

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240629-macos-v1-3-6e70a6b700a0@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agoaudio: Drop ifdef for macOS versions older than 12.0
Akihiko Odaki [Sat, 29 Jun 2024 06:24:45 +0000 (15:24 +0900)] 
audio: Drop ifdef for macOS versions older than 12.0

macOS versions older than 12.0 are no longer supported.

docs/about/build-platforms.rst says:
> Support for the previous major version will be dropped 2 years after
> the new major version is released or when the vendor itself drops
> support, whichever comes first.

macOS 12.0 was released 2021:
https://www.apple.com/newsroom/2021/10/macos-monterey-is-now-available/

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240629-macos-v1-2-6e70a6b700a0@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohvf: Drop ifdef for macOS versions older than 12.0
Akihiko Odaki [Sat, 29 Jun 2024 06:24:44 +0000 (15:24 +0900)] 
hvf: Drop ifdef for macOS versions older than 12.0

macOS versions older than 12.0 are no longer supported.

docs/about/build-platforms.rst says:
> Support for the previous major version will be dropped 2 years after
> the new major version is released or when the vendor itself drops
> support, whichever comes first.

macOS 12.0 was released 2021:
https://www.apple.com/newsroom/2021/10/macos-monterey-is-now-available/

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240629-macos-v1-1-6e70a6b700a0@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/ide/macio: switch from using qemu_allocate_irq() to qdev input GPIOs
Mark Cave-Ayland [Fri, 28 Jun 2024 16:03:34 +0000 (17:03 +0100)] 
hw/ide/macio: switch from using qemu_allocate_irq() to qdev input GPIOs

This prevents the IRQs from being leaked when the macio IDE device is used.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240628160334.653168-1-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agosystem/physmem: Fix reference to dump-guest-core
Akihiko Odaki [Fri, 28 Jun 2024 04:05:52 +0000 (13:05 +0900)] 
system/physmem: Fix reference to dump-guest-core

dump_guest_core is exposed as dump-guest-core with QOM.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240628-dump-v1-1-c581d10f3646@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agodocs: document special exception for machine type deprecation & removal
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:42 +0000 (17:57 +0100)] 
docs: document special exception for machine type deprecation & removal

This extends the deprecation policy to indicate that versioned machine
types will be marked deprecated after 3 years, and then subject to
removal after a further 3 years has passed.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-15-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/i386: remove obsolete manual deprecation reason string of i440fx machines
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:41 +0000 (17:57 +0100)] 
hw/i386: remove obsolete manual deprecation reason string of i440fx machines

The automatic deprecation mechanism introduced in the preceeding patches
will mark every i440fx machine upto and including 2.12 as deprecated. As
such we can revert the manually added deprecation introduced in:

  commit 792b4fdd4eb8197bd6eb9e80a1dfaf0cb3b54aeb
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   Wed Feb 28 10:34:35 2024 +0100

    hw/i386/pc: Deprecate 2.4 to 2.12 pc-i440fx machines

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-14-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/ppc: remove obsolete manual deprecation reason string of spapr machines
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:40 +0000 (17:57 +0100)] 
hw/ppc: remove obsolete manual deprecation reason string of spapr machines

The automatic deprecation mechanism introduced in the preceeding patches
will mark every spapr machine upto and including 2.12 as deprecated. As
such we can revert the manually added deprecation which was a subset:

  commit 1392617d35765d5d912625fbb5cab1ffbed8e140
  Author: Cédric Le Goater <clg@kaod.org>
  Date:   Tue Jan 23 16:37:02 2024 +1000

    spapr: Tag pseries-2.1 - 2.11 machines as deprecated

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-13-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw: skip registration of outdated versioned machine types
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:39 +0000 (17:57 +0100)] 
hw: skip registration of outdated versioned machine types

This calls the MACHINE_VER_DELETION() macro in the machine type
registration method, so that when a versioned machine type reaches
the end of its life, it is no longer registered with QOM and thus
cannot be used.

The actual definition of the machine type should be deleted at
this point, but experience shows that can easily be forgotten.
By skipping registration the manual code deletion task can be
done at any later date.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-12-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw: set deprecation info for all versioned machine types
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:38 +0000 (17:57 +0100)] 
hw: set deprecation info for all versioned machine types

This calls the MACHINE_VER_DEPRECATION() macro in the definition of
all machine type classes which support versioning. This ensures
that they will automatically get deprecation info set when they
reach the appropriate point in their lifecycle.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-11-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agoinclude/hw: temporarily disable deletion of versioned machine types
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:37 +0000 (17:57 +0100)] 
include/hw: temporarily disable deletion of versioned machine types

The new deprecation and deletion policy for versioned machine types is
being introduced in QEMU 9.1.0.

Under the new policy a number of old machine types (any prior to 2.12)
would be liable for immediate deletion which would be a violation of our
historical deprecation and removal policy

Thus automatic deletions (by skipping QOM registration) are temporarily
gated on existance of the env variable "QEMU_DELETE_MACHINES" / QEMU
version number >= 10.1.0. This allows opt-in testing of the automatic
deletion logic, while activating it fully in QEMU >= 10.1.0.

This whole commit should be reverted in the 10.1.0 dev cycle or shortly
thereafter.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240620165742.1711389-10-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agoinclude/hw: add macros for deprecation & removal of versioned machines
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:36 +0000 (17:57 +0100)] 
include/hw: add macros for deprecation & removal of versioned machines

Versioned machines live for a long time to provide back compat for
incoming migration and restore of saved images. To guide users away from
usage of old machines, however, we want to deprecate any older than 3
years (equiv of 9 releases), and delete any older than 6 years (equiva
of 18 releases).

To get a standardized deprecation message and avoid having to remember
to manually add it after three years, this introduces two macros to be
used by targets when defining versioned machines.

* MACHINE_VER_DEPRECATION(major, minor)

  Automates the task of setting the 'deprecation_reason' field on the
  machine, if-and-only-if the major/minor version is older than 3 years.

* MACHINE_VER_DELETION(major, minor)

  Simulates the deletion of by skipping registration of the QOM type
  for a versioned machine, if-and-only-if the major/minor version is
  older than 6 years.

By using these two macros there is no longer any manual work required
per-release to deprecate old machines. By preventing the use of machines
that have reached their deletion date, it is also not necessary to
manually delete machines per-release. Deletion can be batched up once a
year or whenever makes most sense.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-9-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/i386: convert 'q35' machine definitions to use new macros
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:35 +0000 (17:57 +0100)] 
hw/i386: convert 'q35' machine definitions to use new macros

This changes the DEFINE_Q35_MACHINE macro to use the common
helpers for constructing versioned symbol names and strings,
bringing greater consistency across targets.

The added benefit is that it avoids the need to repeat the
version number thrice in three different formats in the calls
to DEFINE_Q35_MACHINE.

Due to the odd-ball '4.0.1' machine type version, this
commit introduces a DEFINE_Q35_BUGFIX helper, to allow
defining of "bugfix" machine types which have a three
digit version.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-8-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/i386: convert 'i440fx' machine definitions to use new macros
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:34 +0000 (17:57 +0100)] 
hw/i386: convert 'i440fx' machine definitions to use new macros

This changes the DEFINE_I440FX_MACHINE macro to use the common
helpers for constructing versioned symbol names and strings,
bringing greater consistency across targets.

The added benefit is that it avoids the need to repeat the
version number thrice in three different formats in the calls
to DEFINE_I440FX_MACHINE.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-7-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/m68k: convert 'virt' machine definitions to use new macros
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:33 +0000 (17:57 +0100)] 
hw/m68k: convert 'virt' machine definitions to use new macros

This changes the DEFINE_VIRT_MACHINE macro to use the common
helpers for constructing versioned symbol names and strings,
bringing greater consistency across targets.

A DEFINE_VIRT_MACHINE_AS_LATEST helper is added so that it
is not required to pass 'false' for every single historical
machine type.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-6-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/ppc: convert 'spapr' machine definitions to use new macros
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:32 +0000 (17:57 +0100)] 
hw/ppc: convert 'spapr' machine definitions to use new macros

This changes the DEFINE_SPAPR_MACHINE macro to use the common
helpers for constructing versioned symbol names and strings,
bringing greater consistency across targets.

The added benefit is that it avoids the need to repeat the
version number twice in two different formats in the calls
to DEFINE_SPAPR_MACHINE.

A DEFINE_SPAPR_MACHINE_AS_LATEST helper is added so that it
is not required to pass 'false' for every single historical
machine type.

Due to the odd-ball '2.12-sxxm' machine type version, this
commit introduces a DEFINE_SPAPR_MACHINE_TAGGED helper to
allow defining of "tagged" machine types which have a string
suffix.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240620165742.1711389-5-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/s390x: convert 'ccw' machine definitions to use new macros
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:31 +0000 (17:57 +0100)] 
hw/s390x: convert 'ccw' machine definitions to use new macros

This changes the DEFINE_CCW_MACHINE macro to use the common
helpers for constructing versioned symbol names and strings,
bringing greater consistency across targets.

The added benefit is that it avoids the need to repeat the
version number twice in two different formats in the calls
to DEFINE_CCW_MACHINE.

A DEFINE_CCW_MACHINE_AS_LATEST helper is added so that it
is not required to pass 'false' for every single historical
machine type.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-4-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/arm: convert 'virt' machine definitions to use new macros
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:30 +0000 (17:57 +0100)] 
hw/arm: convert 'virt' machine definitions to use new macros

This changes the DEFINE_VIRT_MACHINE macro to use the common
helpers for constructing versioned symbol names and strings,
bringing greater consistency across targets.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-3-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agoinclude/hw: add helpers for defining versioned machine types
Daniel P. Berrangé [Thu, 20 Jun 2024 16:57:29 +0000 (17:57 +0100)] 
include/hw: add helpers for defining versioned machine types

The various targets which define versioned machine types have
a bunch of obfuscated macro code for defining unique function
and variable names using string concatenation.

This adds a couple of helpers to improve the clarity of such
code macro.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240620165742.1711389-2-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/net/spapr: prevent potential NULL dereference
Oleg Sviridov [Fri, 31 May 2024 07:36:27 +0000 (10:36 +0300)] 
hw/net/spapr: prevent potential NULL dereference

Pointer, returned from function 'spapr_vio_find_by_reg',
may be NULL and is dereferenced immediately after.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Oleg Sviridov <oleg.sviridov@red-soft.ru>
Message-ID: <20240531073636.3779559-1-oleg.sviridov@red-soft.ru>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2 years agohw/net/virtio-net.c: fix crash in iov_copy()
Dmitry Frolov [Thu, 13 Jun 2024 14:35:30 +0000 (17:35 +0300)] 
hw/net/virtio-net.c: fix crash in iov_copy()

A crash found while fuzzing device virtio-net-socket-check-used.
Assertion "offset == 0" in iov_copy() fails if less than guest_hdr_len bytes
were transmited.

Signed-off-by: Dmitry Frolov <frolov@swemel.ru>
Message-Id: <20240613143529.602591-2-frolov@swemel.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost-user: Skip unnecessary duplicated VHOST_USER_SET_LOG_BASE requests
BillXiang [Thu, 13 Jun 2024 06:51:50 +0000 (14:51 +0800)] 
vhost-user: Skip unnecessary duplicated VHOST_USER_SET_LOG_BASE requests

The VHOST_USER_SET_LOG_BASE requests should be categorized into
non-vring specific messages, and should be sent only once.
If send more than once, dpdk will munmap old log_addr which may has been used and cause segmentation fault.

Signed-off-by: BillXiang <xiangwencheng@dayudpu.com>
Message-Id: <20240613065150.3100-1-xiangwencheng@dayudpu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovirtio-iommu: add error check before assert
Manos Pitsidianakis [Thu, 13 Jun 2024 05:49:12 +0000 (08:49 +0300)] 
virtio-iommu: add error check before assert

A fuzzer case discovered by Zheyu Ma causes an assert failure.

Add a check before the assert, and respond with an error before moving
on to the next queue element.

To reproduce the failure:

cat << EOF | \
qemu-system-x86_64 \
-display none -machine accel=qtest -m 512M -machine q35 -nodefaults \
-device virtio-iommu -qtest stdio
outl 0xcf8 0x80000804
outw 0xcfc 0x06
outl 0xcf8 0x80000820
outl 0xcfc 0xe0004000
write 0x10000e 0x1 0x01
write 0xe0004020 0x4 0x00001000
write 0xe0004028 0x4 0x00101000
write 0xe000401c 0x1 0x01
write 0x106000 0x1 0x05
write 0x100001 0x1 0x60
write 0x100002 0x1 0x10
write 0x100009 0x1 0x04
write 0x10000c 0x1 0x01
write 0x100018 0x1 0x04
write 0x10001c 0x1 0x02
write 0x101003 0x1 0x01
write 0xe0007001 0x1 0x00
EOF

Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2359
Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-Id: <20240613-fuzz-2359-fix-v2-manos.pitsidianakis@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/virtio: Free vqs after vhost_dev_cleanup()
Akihiko Odaki [Thu, 27 Jun 2024 13:37:50 +0000 (22:37 +0900)] 
hw/virtio: Free vqs after vhost_dev_cleanup()

This fixes LeakSanitizer warnings.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240627-san-v2-7-750bb0946dbd@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agoi386/apic: Add hint on boot failure because of disabling x2APIC
Zhao Liu [Thu, 6 Jun 2024 14:08:58 +0000 (22:08 +0800)] 
i386/apic: Add hint on boot failure because of disabling x2APIC

Currently, the Q35 supports up to 4096 vCPUs (since v9.0), but for TCG
cases, if x2APIC is not actively enabled to boot more than 255 vCPUs (
e.g., qemu-system-i386 -M pc-q35-9.0 -smp 666), the following error is
reported:

Unexpected error in apic_common_set_id() at ../hw/intc/apic_common.c:449:
qemu-system-i386: APIC ID 255 requires x2APIC feature in CPU
Aborted (core dumped)

This error can be resolved by setting x2apic=on in -cpu. In order to
better help users deal with this scenario, add the error hint to
instruct users on how to enable the x2apic feature. Then, the error
report becomes the following:

Unexpected error in apic_common_set_id() at ../hw/intc/apic_common.c:448:
qemu-system-i386: APIC ID 255 requires x2APIC feature in CPU
Try x2apic=on in -cpu.
Aborted (core dumped)

Note since @errp is &error_abort, error_append_hint() can't be applied
on @errp. And in order to separate the exact error message from the
(perhaps effectively) hint, adding a hint via error_append_hint() is
also necessary. Therefore, introduce @local_error in
apic_common_set_id() to handle both the error message and the error
hint.

Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20240606140858.2157106-1-zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost-user-test: no set non-blocking for cal fd less than 0.
Yuxue Liu [Thu, 11 Apr 2024 07:35:55 +0000 (15:35 +0800)] 
vhost-user-test: no set non-blocking for cal fd less than 0.

In the scenario where vhost-user sets eventfd to -1,
qemu_chr_fe_get_msgfds retrieves fd as -1. When vhost_user_read
receives, it does not perform blocking operations on the descriptor
with fd=-1, so non-blocking operations should not be performed here
either.This is a normal use case. Calling g_unix_set_fd_nonblocking
at this point will cause the test to interrupt.

When vhost_user_write sets the call fd to -1, it sets the number of
fds to 0, so the fds obtained by qemu_chr_fe_get_msgfds will also
be 0.

Signed-off-by: Yuxue Liu <yuxue.liu@jaguarmicro.com>
Message-Id: <20240411073555.1357-1-yuxue.liu@jaguarmicro.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovirtio-pci: implement No_Soft_Reset bit
Jiqian Chen [Thu, 6 Jun 2024 10:22:05 +0000 (18:22 +0800)] 
virtio-pci: implement No_Soft_Reset bit

In current code, when guest does S3, virtio-gpu are reset due to the
bit No_Soft_Reset is not set. After resetting, the display resources
of virtio-gpu are destroyed, then the display can't come back and only
show blank after resuming.

Implement No_Soft_Reset bit of PCI_PM_CTRL register, then guest can check
this bit, if this bit is set, the devices resetting will not be done, and
then the display can work after resuming.

No_Soft_Reset bit is implemented for all virtio devices, and was tested
only on virtio-gpu device. Set it false by default for safety.

Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com>
Message-Id: <20240606102205.114671-3-Jiqian.Chen@amd.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl: Fix read from bogus memory
Ira Weiny [Fri, 31 May 2024 16:22:05 +0000 (11:22 -0500)] 
hw/cxl: Fix read from bogus memory

Peter and coverity report:

We've passed '&data' to address_space_write(), which means "read
from the address on the stack where the function argument 'data'
lives", so instead of writing 64 bytes of data to the guest ,
we'll write 64 bytes which start with a host pointer value and
then continue with whatever happens to be on the host stack
after that.

Indeed the intention was to write 64 bytes of data at the address given.

Fix the parameter to address_space_write().

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Link: https://lore.kernel.org/all/CAFEAcA-u4sytGwTKsb__Y+_+0O2-WwARntm3x8WNhvL1WfHOBg@mail.gmail.com/
Fixes: 6bda41a69bdc ("hw/cxl: Add clear poison mailbox command support.")
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Message-Id: <20240531-fix-poison-set-cacheline-v1-1-e3bc7e8f1158@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2 years agovirtio-pci: Fix the failure process in kvm_virtio_pci_vector_use_one()
Cindy Lu [Tue, 28 May 2024 08:48:15 +0000 (16:48 +0800)] 
virtio-pci: Fix the failure process in kvm_virtio_pci_vector_use_one()

In function kvm_virtio_pci_vector_use_one(), the function will only use
the irqfd/vector for itself. Therefore, in the undo label, the failing
process is incorrect.
To fix this, we can just remove this label.

Fixes: f9a09ca3ea ("vhost: add support for configure interrupt")
Cc: qemu-stable@nongnu.org
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20240528084840.194538-1-lulu@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agoRevert "docs/specs/pvpanic: mark shutdown event as not implemented"
Thomas Weißschuh [Mon, 27 May 2024 06:27:54 +0000 (08:27 +0200)] 
Revert "docs/specs/pvpanic: mark shutdown event as not implemented"

The missing functionality has been implemented now.

This reverts commit e739d1935c461d0668057e9dbba9d06f728d29ec.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Message-Id: <20240527-pvpanic-shutdown-v8-8-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agotests/qtest/pvpanic: add tests for pvshutdown event
Thomas Weißschuh [Mon, 27 May 2024 06:27:53 +0000 (08:27 +0200)] 
tests/qtest/pvpanic: add tests for pvshutdown event

Validate that a shutdown via the pvpanic device emits the correct
QMP events.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240527-pvpanic-shutdown-v8-7-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agopvpanic: Emit GUEST_PVSHUTDOWN QMP event on pvpanic shutdown signal
Alejandro Jimenez [Mon, 27 May 2024 06:27:52 +0000 (08:27 +0200)] 
pvpanic: Emit GUEST_PVSHUTDOWN QMP event on pvpanic shutdown signal

Emit a QMP event on receiving a PVPANIC_SHUTDOWN event. Even though a typical
SHUTDOWN event will be sent, it will be indistinguishable from a shutdown
originating from other cases (e.g. KVM exit due to KVM_SYSTEM_EVENT_SHUTDOWN)
that also issue the guest-shutdown cause.
A management layer application can detect the new GUEST_PVSHUTDOWN event to
determine if the guest is using the pvpanic interface to request shutdowns.

Signed-off-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Message-Id: <20240527-pvpanic-shutdown-v8-6-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/misc/pvpanic: add support for normal shutdowns
Thomas Weißschuh [Mon, 27 May 2024 06:27:51 +0000 (08:27 +0200)] 
hw/misc/pvpanic: add support for normal shutdowns

Shutdown requests are normally hardware dependent.
By extending pvpanic to also handle shutdown requests, guests can
submit such requests with an easily implementable and cross-platform
mechanism.

Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Message-Id: <20240527-pvpanic-shutdown-v8-5-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agotests/qtest/pvpanic: use centralized definition of supported events
Thomas Weißschuh [Mon, 27 May 2024 06:27:50 +0000 (08:27 +0200)] 
tests/qtest/pvpanic: use centralized definition of supported events

Avoid the necessity to update all tests when new events are added
to the device.

Acked-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Message-Id: <20240527-pvpanic-shutdown-v8-4-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/misc/pvpanic: centralize definition of supported events
Thomas Weißschuh [Mon, 27 May 2024 06:27:49 +0000 (08:27 +0200)] 
hw/misc/pvpanic: centralize definition of supported events

The different components of pvpanic duplicate the list of supported
events. Move it to the shared header file to minimize changes when new
events are added.

MST: tweak: keep header included in pvpanic.c to avoid header
dependency, rebase.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Message-Id: <20240527-pvpanic-shutdown-v8-3-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agolinux-headers: update to 6.10-rc1
Thomas Weißschuh [Mon, 27 May 2024 06:27:48 +0000 (08:27 +0200)] 
linux-headers: update to 6.10-rc1

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Message-Id: <20240527-pvpanic-shutdown-v8-2-5a28ec02558b@t-8ch.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/mem/cxl_type3: Allow to release extent superset in QMP interface
Fan Ni [Thu, 23 May 2024 17:44:54 +0000 (10:44 -0700)] 
hw/mem/cxl_type3: Allow to release extent superset in QMP interface

Before the change, the QMP interface used for add/release DC extents
only allows to release an extent whose DPA range is contained by a single
accepted extent in the device.

With the change, we relax the constraints.  As long as the DPA range of
the extent is covered by accepted extents, we allow the release.

Tested-by: Svetly Todorov <svetly.todorov@memverge.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-15-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl/cxl-mailbox-utils: Add superset extent release mailbox support
Fan Ni [Thu, 23 May 2024 17:44:53 +0000 (10:44 -0700)] 
hw/cxl/cxl-mailbox-utils: Add superset extent release mailbox support

With the change, we extend the extent release mailbox command processing
to allow more flexible release. As long as the DPA range of the extent to
release is covered by accepted extent(s) in the device, the release can be
performed.

Tested-by: Svetly Todorov <svetly.todorov@memverge.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-14-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/mem/cxl_type3: Add DPA range validation for accesses to DC regions
Fan Ni [Thu, 23 May 2024 17:44:52 +0000 (10:44 -0700)] 
hw/mem/cxl_type3: Add DPA range validation for accesses to DC regions

All DPA ranges in the DC regions are invalid to access until an extent
covering the range has been successfully accepted by the host. A bitmap
is added to each region to record whether a DC block in the region has
been backed by a DC extent. Each bit in the bitmap represents a DC block.
When a DC extent is accepted, all the bits representing the blocks in the
extent are set, which will be cleared when the extent is released.

Tested-by: Svetly Todorov <svetly.todorov@memverge.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-13-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl/events: Add qmp interfaces to add/release dynamic capacity extents
Fan Ni [Thu, 23 May 2024 17:44:51 +0000 (10:44 -0700)] 
hw/cxl/events: Add qmp interfaces to add/release dynamic capacity extents

To simulate FM functionalities for initiating Dynamic Capacity Add
(Opcode 5604h) and Dynamic Capacity Release (Opcode 5605h) as in CXL spec
r3.1 7.6.7.6.5 and 7.6.7.6.6, we implemented two QMP interfaces to issue
add/release dynamic capacity extents requests.

With the change, we allow to release an extent only when its DPA range
is contained by a single accepted extent in the device. That is to say,
extent superset release is not supported yet.

1. Add dynamic capacity extents:

For example, the command to add two continuous extents (each 128MiB long)
to region 0 (starting at DPA offset 0) looks like below:

{ "execute": "qmp_capabilities" }

{ "execute": "cxl-add-dynamic-capacity",
  "arguments": {
      "path": "/machine/peripheral/cxl-dcd0",
      "host-id": 0,
      "selection-policy": "prescriptive",
      "region": 0,
      "extents": [
      {
          "offset": 0,
          "len": 134217728
      },
      {
          "offset": 134217728,
          "len": 134217728
      }
      ]
  }
}

2. Release dynamic capacity extents:

For example, the command to release an extent of size 128MiB from region 0
(DPA offset 128MiB) looks like below:

{ "execute": "cxl-release-dynamic-capacity",
  "arguments": {
      "path": "/machine/peripheral/cxl-dcd0",
      "host-id": 0,
      "removal-policy":"prescriptive",
      "region": 0,
      "extents": [
      {
          "offset": 134217728,
          "len": 134217728
      }
      ]
  }
}

Tested-by: Svetly Todorov <svetly.todorov@memverge.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-12-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl/cxl-mailbox-utils: Add mailbox commands to support add/release dynamic capacit...
Fan Ni [Thu, 23 May 2024 17:44:50 +0000 (10:44 -0700)] 
hw/cxl/cxl-mailbox-utils: Add mailbox commands to support add/release dynamic capacity response

Per CXL spec 3.1, two mailbox commands are implemented:
Add Dynamic Capacity Response (Opcode 4802h) 8.2.9.9.9.3, and
Release Dynamic Capacity (Opcode 4803h) 8.2.9.9.9.4.

For the process of the above two commands, we use two-pass approach.
Pass 1: Check whether the input payload is valid or not; if not, skip
        Pass 2 and return mailbox process error.
Pass 2: Do the real work--add or release extents, respectively.

Tested-by: Svetly Todorov <svetly.todorov@memverge.com>
Reviewed-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-11-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/mem/cxl_type3: Add DC extent list representative and get DC extent list mailbox...
Fan Ni [Thu, 23 May 2024 17:44:49 +0000 (10:44 -0700)] 
hw/mem/cxl_type3: Add DC extent list representative and get DC extent list mailbox support

Add dynamic capacity extent list representative to the definition of
CXLType3Dev and implement get DC extent list mailbox command per
CXL.spec.3.1:.8.2.9.9.9.2.

Tested-by: Svetly Todorov <svetly.todorov@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-10-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/mem/cxl_type3: Add host backend and address space handling for DC regions
Fan Ni [Thu, 23 May 2024 17:44:48 +0000 (10:44 -0700)] 
hw/mem/cxl_type3: Add host backend and address space handling for DC regions

Add (file/memory backed) host backend for DCD. All the dynamic capacity
regions will share a single, large enough host backend. Set up address
space for DC regions to support read/write operations to dynamic capacity
for DCD.

With the change, the following support is added:
1. Add a new property to type3 device "volatile-dc-memdev" to point to host
   memory backend for dynamic capacity. Currently, all DC regions share one
   host backend;
2. Add namespace for dynamic capacity for read/write support;
3. Create cdat entries for each dynamic capacity region.

Reviewed-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-9-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/mem/cxl-type3: Refactor ct3_build_cdat_entries_for_mr to take mr size instead...
Fan Ni [Thu, 23 May 2024 17:44:47 +0000 (10:44 -0700)] 
hw/mem/cxl-type3: Refactor ct3_build_cdat_entries_for_mr to take mr size instead of mr as argument

The function ct3_build_cdat_entries_for_mr only uses size of the passed
memory region argument, refactor the function definition to make the passed
arguments more specific.

Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-8-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/mem/cxl_type3: Add support to create DC regions to type3 memory devices
Fan Ni [Thu, 23 May 2024 17:44:46 +0000 (10:44 -0700)] 
hw/mem/cxl_type3: Add support to create DC regions to type3 memory devices

With the change, when setting up memory for type3 memory device, we can
create DC regions.
A property 'num-dc-regions' is added to ct3_props to allow users to pass the
number of DC regions to create. To make it easier, other region parameters
like region base, length, and block size are hard coded. If needed,
these parameters can be added easily.

With the change, we can create DC regions with proper kernel side
support like below:

region=$(cat /sys/bus/cxl/devices/decoder0.0/create_dc_region)
echo $region > /sys/bus/cxl/devices/decoder0.0/create_dc_region
echo 256 > /sys/bus/cxl/devices/$region/interleave_granularity
echo 1 > /sys/bus/cxl/devices/$region/interleave_ways

echo "dc0" >/sys/bus/cxl/devices/decoder2.0/mode
echo 0x40000000 >/sys/bus/cxl/devices/decoder2.0/dpa_size

echo 0x40000000 > /sys/bus/cxl/devices/$region/size
echo  "decoder2.0" > /sys/bus/cxl/devices/$region/target0
echo 1 > /sys/bus/cxl/devices/$region/commit
echo $region > /sys/bus/cxl/drivers/cxl_region/bind

Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-7-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
2 years agoinclude/hw/cxl/cxl_device: Rename mem_size as static_mem_size for type3 memory devices
Fan Ni [Thu, 23 May 2024 17:44:45 +0000 (10:44 -0700)] 
include/hw/cxl/cxl_device: Rename mem_size as static_mem_size for type3 memory devices

Rename mem_size as static_mem_size for type3 memdev to cover static RAM and
pmem capacity, preparing for the introduction of dynamic capacity to support
dynamic capacity devices.

Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-6-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl/cxl-mailbox-utils: Add dynamic capacity region representative and mailbox...
Fan Ni [Thu, 23 May 2024 17:44:44 +0000 (10:44 -0700)] 
hw/cxl/cxl-mailbox-utils: Add dynamic capacity region representative and mailbox command support

Per cxl spec r3.1, add dynamic capacity (DC) region representative based on
Table 8-165 and extend the cxl type3 device definition to include DC region
information. Also, based on info in 8.2.9.9.9.1, add 'Get Dynamic Capacity
Configuration' mailbox support.

Note: we store region decode length as byte-wise length on the device, which
should be divided by 256 * MiB before being returned to the host
for "Get Dynamic Capacity Configuration" mailbox command per
specification.

Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-5-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl/cxl-mailbox-utils: Add dc_event_log_size field to output payload of identify...
Fan Ni [Thu, 23 May 2024 17:44:43 +0000 (10:44 -0700)] 
hw/cxl/cxl-mailbox-utils: Add dc_event_log_size field to output payload of identify memory device command

Based on CXL spec r3.1 Table 8-127 (Identify Memory Device Output
Payload), dynamic capacity event log size should be part of
output of the Identify command.
Add dc_event_log_size to the output payload for the host to get the info.

Reviewed-by: Gregory Price <gregory.price@memverge.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-4-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl/mailbox: interface to add CCI commands to an existing CCI
Gregory Price [Thu, 23 May 2024 17:44:42 +0000 (10:44 -0700)] 
hw/cxl/mailbox: interface to add CCI commands to an existing CCI

This enables wrapper devices to customize the base device's CCI
(for example, with custom commands outside the specification)
without the need to change the base device.

The also enabled the base device to dispatch those commands without
requiring additional driver support.

Heavily edited by Jonathan Cameron to increase code reuse

Signed-off-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-3-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/cxl/mailbox: change CCI cmd set structure to be a member, not a reference
Gregory Price [Thu, 23 May 2024 17:44:41 +0000 (10:44 -0700)] 
hw/cxl/mailbox: change CCI cmd set structure to be a member, not a reference

This allows devices to have fully customized CCIs, along with complex
devices where wrapper devices can override or add additional CCI
commands without having to replicate full command structures or
pollute a base device with every command that might ever be used.

Signed-off-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Message-Id: <20240523174651.1089554-2-nifan.cxl@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost-user: fix lost reconnect again
Li Feng [Thu, 16 May 2024 02:57:46 +0000 (10:57 +0800)] 
vhost-user: fix lost reconnect again

When the vhost-user is reconnecting to the backend, and if the vhost-user fails
at the get_features in vhost_dev_init(), then the reconnect will fail
and it will not be retriggered forever.

The reason is:
When the vhost-user fail at get_features, the vhost_dev_cleanup will be called
immediately.

vhost_dev_cleanup calls 'memset(hdev, 0, sizeof(struct vhost_dev))'.

The reconnect path is:
vhost_user_blk_event
   vhost_user_async_close(.. vhost_user_blk_disconnect ..)
     qemu_chr_fe_set_handlers <----- clear the notifier callback
       schedule vhost_user_async_close_bh

The vhost->vdev is null, so the vhost_user_blk_disconnect will not be
called, then the event fd callback will not be reinstalled.

We need to ensure that even if vhost_dev_init initialization fails, the event
handler still needs to be reinstalled when s->connected is false.

All vhost-user devices have this issue, including vhost-user-blk/scsi.

Fixes: 71e076a07d ("hw/virtio: generalise CHR_EVENT_CLOSED handling")
Signed-off-by: Li Feng <fengli@smartx.com>
Message-Id: <20240516025753.130171-3-fengli@smartx.com>
Reviewed-by: Raphael Norwitz <raphael@enfabrica.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agoRevert "vhost-user: fix lost reconnect"
Li Feng [Thu, 16 May 2024 02:57:45 +0000 (10:57 +0800)] 
Revert "vhost-user: fix lost reconnect"

This reverts commit f02a4b8e6431598612466f76aac64ab492849abf.

Since the current patch cannot completely fix the lost reconnect
problem, there is a scenario that is not considered:
- When the virtio-blk driver is removed from the guest os,
  s->connected has no chance to be set to false, resulting in
  subsequent reconnection not being executed.

The next patch will completely fix this issue with a better approach.

Signed-off-by: Li Feng <fengli@smartx.com>
Message-Id: <20240516025753.130171-2-fengli@smartx.com>
Reviewed-by: Raphael Norwitz <raphael@enfabrica.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost-user-gpu: fix import of DMABUF
Marc-André Lureau [Wed, 15 May 2024 10:52:37 +0000 (14:52 +0400)] 
vhost-user-gpu: fix import of DMABUF

When using vhost-user-gpu with GL, qemu -display gtk doesn't show output
and prints: qemu: eglCreateImageKHR failed

Since commit 9ac06df8b ("virtio-gpu-udmabuf: correct naming of
QemuDmaBuf size properties"), egl_dmabuf_import_texture() uses
backing_{width,height} for the texture dimension.

Fixes: 9ac06df8b ("virtio-gpu-udmabuf: correct naming of QemuDmaBuf size properties")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20240515105237.1074116-1-marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovirtio-pci: only reset pm state during resetting
Jiqian Chen [Wed, 15 May 2024 07:35:25 +0000 (15:35 +0800)] 
virtio-pci: only reset pm state during resetting

Fix bug imported by 27ce0f3afc9dd ("fix Power Management Control Register for PCI Express virtio devices"
After this change, observe that QEMU may erroneously clear the power status of the device,
or may erroneously clear non writable registers, such as NO_SOFT_RESET, etc.

Only state of PM_CTRL is writable.
Only when flag VIRTIO_PCI_FLAG_INIT_PM is set, need to reset state.

Fixes: 27ce0f3afc9dd ("fix Power Management Control Register for PCI Express virtio devices"
Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com>
Message-Id: <20240515073526.17297-2-Jiqian.Chen@amd.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agohw/virtio: Fix obtain the buffer id from the last descriptor
Wafer [Fri, 10 May 2024 07:27:53 +0000 (15:27 +0800)] 
hw/virtio: Fix obtain the buffer id from the last descriptor

The virtio-1.3 specification
<https://docs.oasis-open.org/virtio/virtio/v1.3/virtio-v1.3.html> writes:
2.8.6 Next Flag: Descriptor Chaining
      Buffer ID is included in the last descriptor in the list.

If the feature (_F_INDIRECT_DESC) has been negotiated, install only
one descriptor in the virtqueue.
Therefor the buffer id should be obtained from the first descriptor.

In descriptor chaining scenarios, the buffer id should be obtained
from the last descriptor.

Fixes: 86044b24e8 ("virtio: basic packed virtqueue support")
Signed-off-by: Wafer <wafer@jaguarmicro.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20240510072753.26158-2-wafer@jaguarmicro.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost-vsock: add VIRTIO_F_RING_PACKED to feature_bits
Halil Pasic [Mon, 29 Apr 2024 11:33:34 +0000 (13:33 +0200)] 
vhost-vsock: add VIRTIO_F_RING_PACKED to feature_bits

Not having VIRTIO_F_RING_PACKED in feature_bits[] is a problem when the
vhost-vsock device does not offer the feature bit VIRTIO_F_RING_PACKED
but the in QEMU device is configured to try to use the packed layout
(the virtio property "packed" is on).

As of today, the  Linux kernel vhost-vsock device does not support the
packed queue layout (as vhost does not support packed), and does not
offer VIRTIO_F_RING_PACKED. Thus when for example a vhost-vsock-ccw is
used with packed=on, VIRTIO_F_RING_PACKED ends up being negotiated,
despite the fact that the device does not actually support it, and
one gets to keep the pieces.

Fixes: 74b3e46630 ("virtio: add property to enable packed virtqueue")
Reported-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Message-Id: <20240429113334.2454197-1-pasic@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agoFix vhost user assertion when sending more than one fd
Christian Pötzsch [Fri, 26 Apr 2024 08:33:13 +0000 (10:33 +0200)] 
Fix vhost user assertion when sending more than one fd

If the client sends more than one region this assert triggers. The
reason is that two fd's are 8 bytes and VHOST_MEMORY_BASELINE_NREGIONS
is exactly 8.

The assert is wrong because it should not test for the size of the fd
array, but for the numbers of regions.

Signed-off-by: Christian Pötzsch <christian.poetzsch@kernkonzept.com>
Message-Id: <20240426083313.3081272-1-christian.poetzsch@kernkonzept.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost/vhost-user: Add VIRTIO_F_NOTIFICATION_DATA to vhost feature bits
Jonah Palmer [Fri, 15 Mar 2024 16:55:56 +0000 (12:55 -0400)] 
vhost/vhost-user: Add VIRTIO_F_NOTIFICATION_DATA to vhost feature bits

Add support for the VIRTIO_F_NOTIFICATION_DATA feature across a variety
of vhost devices.

The inclusion of VIRTIO_F_NOTIFICATION_DATA in the feature bits arrays
for these devices ensures that the backend is capable of offering and
providing support for this feature, and that it can be disabled if the
backend does not support it.

Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20240315165557.26942-6-jonah.palmer@oracle.com>
Acked-by: Srujana Challa <schalla@marvell.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovirtio-ccw: Handle extra notification data
Jonah Palmer [Fri, 15 Mar 2024 16:55:55 +0000 (12:55 -0400)] 
virtio-ccw: Handle extra notification data

Add support to virtio-ccw devices for handling the extra data sent from
the driver to the device when the VIRTIO_F_NOTIFICATION_DATA transport
feature has been negotiated.

The extra data that's passed to the virtio-ccw device when this feature
is enabled varies depending on the device's virtqueue layout.

That data passed to the virtio-ccw device is in the same format as the
data passed to virtio-pci devices.

Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20240315165557.26942-5-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovirtio-mmio: Handle extra notification data
Jonah Palmer [Fri, 15 Mar 2024 16:55:54 +0000 (12:55 -0400)] 
virtio-mmio: Handle extra notification data

Add support to virtio-mmio devices for handling the extra data sent from
the driver to the device when the VIRTIO_F_NOTIFICATION_DATA transport
feature has been negotiated.

The extra data that's passed to the virtio-mmio device when this feature
is enabled varies depending on the device's virtqueue layout.

The data passed to the virtio-mmio device is in the same format as the
data passed to virtio-pci devices.

Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20240315165557.26942-4-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovirtio: Prevent creation of device using notification-data with ioeventfd
Jonah Palmer [Fri, 15 Mar 2024 16:55:53 +0000 (12:55 -0400)] 
virtio: Prevent creation of device using notification-data with ioeventfd

Prevent the realization of a virtio device that attempts to use the
VIRTIO_F_NOTIFICATION_DATA transport feature without disabling
ioeventfd.

Due to ioeventfd not being able to carry the extra data associated with
this feature, having both enabled is a functional mismatch and therefore
Qemu should not continue the device's realization process.

Although the device does not yet know if the feature will be
successfully negotiated, many devices using this feature wont actually
work without this extra data and would fail FEATURES_OK anyway.

If ioeventfd is able to work with the extra notification data in the
future, this compatibility check can be removed.

Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20240315165557.26942-3-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovirtio/virtio-pci: Handle extra notification data
Jonah Palmer [Fri, 15 Mar 2024 16:55:52 +0000 (12:55 -0400)] 
virtio/virtio-pci: Handle extra notification data

Add support to virtio-pci devices for handling the extra data sent
from the driver to the device when the VIRTIO_F_NOTIFICATION_DATA
transport feature has been negotiated.

The extra data that's passed to the virtio-pci device when this
feature is enabled varies depending on the device's virtqueue
layout.

In a split virtqueue layout, this data includes:
 - upper 16 bits: shadow_avail_idx
 - lower 16 bits: virtqueue index

In a packed virtqueue layout, this data includes:
 - upper 16 bits: 1-bit wrap counter & 15-bit shadow_avail_idx
 - lower 16 bits: virtqueue index

Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20240315165557.26942-2-jonah.palmer@oracle.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost-vdpa: check vhost_vdpa_set_vring_ready() return value
Stefano Garzarella [Fri, 22 Mar 2024 09:23:15 +0000 (10:23 +0100)] 
vhost-vdpa: check vhost_vdpa_set_vring_ready() return value

vhost_vdpa_set_vring_ready() could already fail, but if Linux's
patch [1] will be merged, it may fail with more chance if
userspace does not activate virtqueues before DRIVER_OK when
VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK is not negotiated.

So better check its return value anyway.

[1] https://lore.kernel.org/virtualization/20240206145154.118044-1-sgarzare@redhat.com/T/#u

Acked-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20240322092315.31885-1-sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agovhost: Perform memory section dirty scans once per iteration
Si-Wei Liu [Thu, 14 Mar 2024 20:27:35 +0000 (13:27 -0700)] 
vhost: Perform memory section dirty scans once per iteration

On setups with one or more virtio-net devices with vhost on,
dirty tracking iteration increases cost the bigger the number
amount of queues are set up e.g. on idle guests migration the
following is observed with virtio-net with vhost=on:

48 queues -> 78.11%  [.] vhost_dev_sync_region.isra.13
8 queues -> 40.50%   [.] vhost_dev_sync_region.isra.13
1 queue -> 6.89%     [.] vhost_dev_sync_region.isra.13
2 devices, 1 queue -> 18.60%  [.] vhost_dev_sync_region.isra.14

With high memory rates the symptom is lack of convergence as soon
as it has a vhost device with a sufficiently high number of queues,
the sufficient number of vhost devices.

On every migration iteration (every 100msecs) it will redundantly
query the *shared log* the number of queues configured with vhost
that exist in the guest. For the virtqueue data, this is necessary,
but not for the memory sections which are the same. So essentially
we end up scanning the dirty log too often.

To fix that, select a vhost device responsible for scanning the
log with regards to memory sections dirty tracking. It is selected
when we enable the logger (during migration) and cleared when we
disable the logger. If the vhost logger device goes away for some
reason, the logger will be re-selected from the rest of vhost
devices.

After making mem-section logger a singleton instance, constant cost
of 7%-9% (like the 1 queue report) will be seen, no matter how many
queues or how many vhost devices are configured:

48 queues -> 8.71%    [.] vhost_dev_sync_region.isra.13
2 devices, 8 queues -> 7.97%   [.] vhost_dev_sync_region.isra.14

Co-developed-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Message-Id: <1710448055-11709-2-git-send-email-si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2 years agovhost: dirty log should be per backend type
Si-Wei Liu [Thu, 14 Mar 2024 20:27:34 +0000 (13:27 -0700)] 
vhost: dirty log should be per backend type

There could be a mix of both vhost-user and vhost-kernel clients
in the same QEMU process, where separate vhost loggers for the
specific vhost type have to be used. Make the vhost logger per
backend type, and have them properly reference counted.

Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Message-Id: <1710448055-11709-1-git-send-email-si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2 years agoMerge tag 'pull-target-arm-20240701' of https://git.linaro.org/people/pmaydell/qemu...
Richard Henderson [Mon, 1 Jul 2024 17:41:45 +0000 (10:41 -0700)] 
Merge tag 'pull-target-arm-20240701' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * tests/avocado: update firmware for sbsa-ref and use all cores
 * hw/arm/smmu-common: Replace smmu_iommu_mr with smmu_find_sdev
 * arm: Fix VCMLA Dd, Dn, Dm[idx]
 * arm: Fix SQDMULH (by element) with Q=0
 * arm: Fix FJCVTZS vs flush-to-zero
 * arm: More conversion of A64 AdvSIMD to decodetree
 * arm: Enable FEAT_Debugv8p8 for -cpu max
 * MAINTAINERS: Update family name for Patrick Leis
 * hw/arm/xilinx_zynq: Add boot-mode property
 * docs/system/arm: Add a doc for zynq board
 * hw/misc: In STM32L4x5 EXTI, correct configurable interrupts
 * tests/qtest: fix minor issues in STM32L4x5 tests

# -----BEGIN PGP SIGNATURE-----
#
# iQJNBAABCAA3FiEE4aXFk81BneKOgxXPPCUl7RQ2DN4FAmaC1BMZHHBldGVyLm1h
# eWRlbGxAbGluYXJvLm9yZwAKCRA8JSXtFDYM3nDOEACCoewjO2FJ4RFXMSmgr0Zf
# jxWliu7osw7oeG4ZNq1+xMiXeW0vyS54eW41TMki1f98N/yK8v55BM8kBBvDvZaz
# R5DUXpN+MtwD9A62md3B2c4mFXHqk1UOGbKi4btbtFj4lS8pV51mPmApzBUr2iTj
# w6dCLciLOt87NWgtLECXsZ3evn+VlTRc+Hmfp1M/C/Rf2Qx3zis/CFHGQsZLGwzG
# 2WhTpU1BKeOfsQa1VbSX6un14d72/JATFZN3rSgMbOEbvsCEeP+rnkzX57ejGyxV
# 4DUx69gEAqS5bOfkQHLwy82WsunD/oIgp+GpYaYgINHzh6UkEsPoymrHAaPgV1Vh
# g0TaBtbv2p89RFY1C2W2Mi4ICQ14a+oIV9FPvDsOE8Wq+wDAy/ZxZs7G6flxqods
# s4JvcMqB3kUNBZaMsFVXTKdqT1PufICS+gx0VsKdKDwXcOHwMS10nTlEOPzqvoBA
# phAsEbjnjWVhf03XTfCus+l5NT96lswCzPcUovb3CitSc2A1KUye3TyzHnxIqmOt
# Owcl+Oiso++cgYzr/BCveTAYKYoRZzVcq5jCl4bBUH/8sLrRDbT0cpFpcMk72eE9
# VhR00kbkDfL3nKrulLsG8FeUlisX5+oGb3G5AdPtU9sqJPJMmBGaF+KniI0wi7VN
# 5teHq08upLMF5JAjiKzZIA==
# =faXD
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 01 Jul 2024 09:06:43 AM PDT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]

* tag 'pull-target-arm-20240701' of https://git.linaro.org/people/pmaydell/qemu-arm: (29 commits)
  tests/qtest: Ensure STM32L4x5 EXTI state is correct at the end of QTests
  hw/misc: In STM32L4x5 EXTI, correct configurable interrupts
  tests/qtest: Fix STM32L4x5 SYSCFG irq line 15 state assumption
  docs/system/arm: Add a doc for zynq board
  hw/arm/xilinx_zynq: Add boot-mode property
  hw/misc/zynq_slcr: Add boot-mode property
  MAINTAINERS: Update my family name
  target/arm: Enable FEAT_Debugv8p8 for -cpu max
  target/arm: Move initialization of debug ID registers
  target/arm: Fix indentation
  target/arm: Delete dead code from disas_simd_indexed
  target/arm: Convert FCMLA to decodetree
  target/arm: Convert FCADD to decodetree
  target/arm: Add data argument to do_fp3_vector
  target/arm: Convert BFMMLA, SMMLA, UMMLA, USMMLA to decodetree
  target/arm: Convert BFMLALB, BFMLALT to decodetree
  target/arm: Convert BFDOT to decodetree
  target/arm: Convert SUDOT, USDOT to decodetree
  target/arm: Convert SDOT, UDOT to decodetree
  target/arm: Convert SQRDMLAH, SQRDMLSH to decodetree
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2 years agoMerge tag 'pull-xen-20240701' of https://xenbits.xen.org/git-http/people/aperard...
Richard Henderson [Mon, 1 Jul 2024 16:06:25 +0000 (09:06 -0700)] 
Merge tag 'pull-xen-20240701' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm into staging

Xen queue:

* Improvement for running QEMU in a stubdomain.
* Improve handling of buffered ioreqs.

# -----BEGIN PGP SIGNATURE-----
#
# iQEzBAABCgAdFiEE+AwAYwjiLP2KkueYDPVXL9f7Va8FAmaCq2IACgkQDPVXL9f7
# Va9PHQf+N4SGAo8rD6Nw7z73b9/Qd20Pz82Pm3BLnJtioxxOhVPU33HJsyjkQRSs
# dVckRZk6IFfiAKWTPDsQfeL+qDBjL15usuZCLeq7zRr5NwV5OOlSh6fW6yurY8IR
# zHoCJTjYcaXbMCVIzAXhM19rZjFZCLNFYb3ADRvDANaxbhSx60EAg69S8gQeQhgw
# BVC5inDxMGSl4X7i8eh+E39H8X1RKNg4GQyLWOVksdElQuKeGFMThaSCmA3OHkOV
# Ny70+PrCM3Z1sbUMI3lDHdT4f9JXcYqJbnCjCDHCZgOeF2Z5UEfFlPiVQIo4OA7o
# b48LbOuThEZew4SrJS9lx9RKafoFyw==
# =oLvq
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 01 Jul 2024 06:13:06 AM PDT
# gpg:                using RSA key F80C006308E22CFD8A92E7980CF5572FD7FB55AF
# gpg: Good signature from "Anthony PERARD <anthony.perard@gmail.com>" [undefined]
# gpg:                 aka "Anthony PERARD <anthony.perard@citrix.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: 5379 2F71 024C 600F 778A  7161 D8D5 7199 DF83 42C8
#      Subkey fingerprint: F80C 0063 08E2 2CFD 8A92  E798 0CF5 572F D7FB 55AF

* tag 'pull-xen-20240701' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm:
  xen-hvm: Avoid livelock while handling buffered ioreqs
  xen: fix stubdom PCI addr
  hw/xen: detect when running inside stubdomain

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2 years agotests/qtest: Ensure STM32L4x5 EXTI state is correct at the end of QTests
Inès Varhol [Sat, 29 Jun 2024 11:07:09 +0000 (13:07 +0200)] 
tests/qtest: Ensure STM32L4x5 EXTI state is correct at the end of QTests

EXTI's new field `irq_levels` tracks irq levels between tests when using
`global_qtest`.
This happens in `stm32l4x5_exti-test.c`, `stm32l4x5_syscfg-test.c` and
`stm32l4x5_gpio-test.c` (`dm163.c` doesn't use `global_qtest`).

To ensure that `irq_levels` has the same value before and after each
QTest, this commit toggles back the irq lines that were changed at the
end of each problematic test. Most QTests were already doing this.

Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-id: 20240629110800.539969-3-ines.varhol@telecom-paris.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agohw/misc: In STM32L4x5 EXTI, correct configurable interrupts
Inès Varhol [Sat, 29 Jun 2024 11:07:08 +0000 (13:07 +0200)] 
hw/misc: In STM32L4x5 EXTI, correct configurable interrupts

The implementation of configurable interrupts (interrupts supporting
edge selection) was incorrectly expecting alternating input levels :
this commits adds a new status field `irq_levels` to actually detect
edges.

Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-id: 20240629110800.539969-2-ines.varhol@telecom-paris.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotests/qtest: Fix STM32L4x5 SYSCFG irq line 15 state assumption
Inès Varhol [Sat, 29 Jun 2024 10:44:49 +0000 (12:44 +0200)] 
tests/qtest: Fix STM32L4x5 SYSCFG irq line 15 state assumption

The QTest `test_irq_pin_multiplexer` makes the assumption that the
reset state of irq line 15 is low, which is false since STM32L4x5 GPIO
was implemented (the reset state of pin GPIOA15 is high because there's
pull-up and it results in the irq line 15 also being high at reset).

It wasn't triggering an error because `test_interrupt` was mistakenly
"resetting" the line low.

This commit corrects these two mistakes by :
- not setting the line low in `test_interrupt`
- using an irq line in `test_irq_pin_multiplexer` which is low at reset

Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-id: 20240629104454.366283-1-ines.varhol@telecom-paris.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agodocs/system/arm: Add a doc for zynq board
Sai Pavan Boddu [Fri, 21 Jun 2024 12:59:06 +0000 (18:29 +0530)] 
docs/system/arm: Add a doc for zynq board

Added the supported device list and an example command.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@amd.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-id: 20240621125906.1300995-4-sai.pavan.boddu@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agohw/arm/xilinx_zynq: Add boot-mode property
Sai Pavan Boddu [Fri, 21 Jun 2024 12:59:05 +0000 (18:29 +0530)] 
hw/arm/xilinx_zynq: Add boot-mode property

Read boot-mode value as machine property and propagate that to
SLCR.BOOT_MODE register.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@amd.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-id: 20240621125906.1300995-3-sai.pavan.boddu@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agohw/misc/zynq_slcr: Add boot-mode property
Sai Pavan Boddu [Fri, 21 Jun 2024 12:59:04 +0000 (18:29 +0530)] 
hw/misc/zynq_slcr: Add boot-mode property

boot-mode property sets user values into BOOT_MODE register, on hardware
these are derived from board switches.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@amd.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-id: 20240621125906.1300995-2-sai.pavan.boddu@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agoMAINTAINERS: Update my family name
Patrick Leis [Wed, 26 Jun 2024 21:16:22 +0000 (21:16 +0000)] 
MAINTAINERS: Update my family name

Signed-off-by: Patrick Leis <venture@google.com>
Message-id: 20240626211623.3510701-1-venture@google.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Enable FEAT_Debugv8p8 for -cpu max
Gustavo Romero [Mon, 24 Jun 2024 18:09:15 +0000 (18:09 +0000)] 
target/arm: Enable FEAT_Debugv8p8 for -cpu max

Enable FEAT_Debugv8p8 for max CPU. This feature is out of scope for QEMU
since it concerns the external debug interface for JTAG, but is
mandatory in Armv8.8 implementations, hence it is reported as supported
in the ID registers.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240624180915.4528-4-gustavo.romero@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Move initialization of debug ID registers
Gustavo Romero [Mon, 24 Jun 2024 18:09:14 +0000 (18:09 +0000)] 
target/arm: Move initialization of debug ID registers

Move the initialization of the debug ID registers to aa32_max_features,
which is used to set the 32-bit ID registers. This ensures that the
debug ID registers are consistently set for the max CPU in a single
place.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240624180915.4528-3-gustavo.romero@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Fix indentation
Gustavo Romero [Mon, 24 Jun 2024 18:09:13 +0000 (18:09 +0000)] 
target/arm: Fix indentation

Fix comment indentation adding a missing space.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240624180915.4528-2-gustavo.romero@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Delete dead code from disas_simd_indexed
Richard Henderson [Tue, 25 Jun 2024 18:35:36 +0000 (11:35 -0700)] 
target/arm: Delete dead code from disas_simd_indexed

MLA, MLS, SQDMULH, SQRDMULH, were converted with 8db93dcd3def
and f80701cb44d, and this code should have been removed then.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-14-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert FCMLA to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:35 +0000 (11:35 -0700)] 
target/arm: Convert FCMLA to decodetree

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-13-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert FCADD to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:34 +0000 (11:35 -0700)] 
target/arm: Convert FCADD to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Add data argument to do_fp3_vector
Richard Henderson [Tue, 25 Jun 2024 18:35:33 +0000 (11:35 -0700)] 
target/arm: Add data argument to do_fp3_vector

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert BFMMLA, SMMLA, UMMLA, USMMLA to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:32 +0000 (11:35 -0700)] 
target/arm: Convert BFMMLA, SMMLA, UMMLA, USMMLA to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert BFMLALB, BFMLALT to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:31 +0000 (11:35 -0700)] 
target/arm: Convert BFMLALB, BFMLALT to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-9-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert BFDOT to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:30 +0000 (11:35 -0700)] 
target/arm: Convert BFDOT to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-8-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert SUDOT, USDOT to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:29 +0000 (11:35 -0700)] 
target/arm: Convert SUDOT, USDOT to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-7-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert SDOT, UDOT to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:28 +0000 (11:35 -0700)] 
target/arm: Convert SDOT, UDOT to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2 years agotarget/arm: Convert SQRDMLAH, SQRDMLSH to decodetree
Richard Henderson [Tue, 25 Jun 2024 18:35:27 +0000 (11:35 -0700)] 
target/arm: Convert SQRDMLAH, SQRDMLSH to decodetree

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240625183536.1672454-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>