Supported CPU number can be acquired from function
possible_cpu_arch_ids(), cpu-num property is not necessary.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Convert to use sszie_t to represent size internally to avoid
large image overflowing the size.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Now that the s390-ccw-virtio-2.8 machine has been removed, we don't
need the "adapter_routes_max_batch" property anymore and can remove it.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-ID: <20250103144232.520383-11-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Now that the last machine type that disabled cpu_model_allowed has
been removed, we can also remove the cpu_model_allowed flag itself
and all the related conditional code.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-ID: <20250103144232.520383-9-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Now that the s390-ccw-virtio-2.6 and older machine types have been
removed, the "css_dev_path" property of the css-bridge is also not
used anymore and thus can be removed.
This way we finally get rid of the problem that has been described
in: https://gitlab.com/qemu-project/qemu/-/issues/2213
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-ID: <20250103144232.520383-7-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Only s390-ccw-virtio-2.6 and older used to set this switch to "off",
for newer machine types it is always enabled. Since we removed the
old machine types now, we can also remove the switch in the code and
assume that it is always enabled now.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-ID: <20250103144232.520383-5-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This property was only set to "off" by the old s390-ccw-virtio-2.4
machine type which has now been removed. So we can now remove the
property and the related code, too.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-ID: <20250103144232.520383-3-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We are already in January 2025! Update copyright notices.
Cc: peter.maydell@linaro.org
Cc: qemu-trivial@nongnu.org
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Message-ID: <20250101080116.1050336-1-anisinha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
macOS's Cocoa event handling must be done on the initial (main) thread
of the process. Furthermore, if library or application code uses
libdispatch, the main dispatch queue must be handling events on the main
thread as well.
So far, this has affected Qemu in both the Cocoa and SDL UIs, although
in different ways: the Cocoa UI replaces the default qemu_main function
with one that spins Qemu's internal main event loop off onto a
background thread. SDL (which uses Cocoa internally) on the other hand
uses a polling approach within Qemu's main event loop. Events are
polled during the SDL UI's dpy_refresh callback, which happens to run
on the main thread by default.
As UIs are mutually exclusive, this works OK as long as nothing else
needs platform-native event handling. In the next patch, a new device is
introduced based on the ParavirtualizedGraphics.framework in macOS.
This uses libdispatch internally, and only works when events are being
handled on the main runloop. With the current system, it works when
using either the Cocoa or the SDL UI. However, it does not when running
headless. Moreover, any attempt to install a similar scheme to the
Cocoa UI's main thread replacement fails when combined with the SDL
UI.
This change tidies up main thread management to be more flexible.
* The qemu_main global function pointer is a custom function for the
main thread, and it may now be NULL. When it is, the main thread
runs the main Qemu loop. This represents the traditional setup.
* When non-null, spawning the main Qemu event loop on a separate
thread is now done centrally rather than inside the Cocoa UI code.
* For most platforms, qemu_main is indeed NULL by default, but on
Darwin, it defaults to a function that runs the CFRunLoop.
* The Cocoa UI sets qemu_main to a function which runs the
NSApplication event handling runloop, as is usual for a Cocoa app.
* The SDL UI overrides the qemu_main function to NULL, thus
specifying that Qemu's main loop must run on the main
thread.
* The GTK UI also overrides the qemu_main function to NULL.
* For other UIs, or in the absence of UIs, the platform's default
behaviour is followed.
This means that on macOS, the platform's runloop events are always
handled, regardless of chosen UI. The new PV graphics device will
thus work in all configurations. There is no functional change on other
operating systems.
Implementing this via a global function pointer variable is a bit
ugly, but it's probably worth investigating the existing UI thread rule
violations in the SDL (e.g. #2537) and GTK+ back-ends. Fixing those
issues might precipitate requirements similar but not identical to those
of the Cocoa UI; hopefully we'll see some kind of pattern emerge, which
can then be used as a basis for an overhaul. (In fact, it may turn
out to be simplest to split the UI/native platform event thread from the
QEMU main event loop on all platforms, with any UI or even none at all.)
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241223221645.29911-2-phil@philjordan.eu>
[PMD: Declare 'qemu_main' symbol in tests/qtest/fuzz/fuzz.c,
add missing g_assert_not_reached() call in main()]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Introduce defines for UHCI registers to simplify adding register access
in subsequent patches of the series.
No functional change.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20240906122542.3808997-3-linux@roeck-us.net>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Add a new device, ivshmem-flat, which is similar to the ivshmem PCI but
does not require a PCI bus. It's meant to be used on machines like those
with Cortex-M MCUs, which usually lack a PCI/PCIe bus, e.g. lm3s6965evb
and mps2-an385.
The device currently only supports the sysbus bus.
The new device, just like the ivshmem PCI device, supports both peer
notification via hardware interrupts and shared memory.
The device shared memory size can be set using the 'shmem-size' option
and it defaults to 4 MiB, which is the default size of shmem allocated
by the ivshmem server.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1134
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
[PMD: Rebased updating Property and using DEFINE_TYPES macro]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241216141818.111255-2-gustavo.romero@linaro.org>
Some boards such as vmapple don't do real legacy PCI IRQ swizzling.
Instead, they just keep allocating more board IRQ lines for each new
legacy IRQ. Let's support that mode by giving instantiators a new
"nr_irqs" property they can use to support more than 4 legacy IRQ lines.
In this mode, GPEX will export more IRQ lines, one for each device.
Signed-off-by: Alexander Graf <graf@amazon.com>
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241223221645.29911-9-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
HPET_TN_CFG_BITS_READONLY_OR_RESERVED is not used in any place since
HPET_TN_CFG_WRITE_MASK has been already used to check and fix the
writable bits in hpet_ram_write().
Drop this unused macro.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
After being removed from VFIO and dirty limit, migration_is_active() no
longer has any users outside the migration subsystem, and in fact, it's
only used in migration.c.
Unexport it and also relocate it so it can be made static.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Tested-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20241218134022.21264-8-avihaih@nvidia.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
After being removed from VFIO, migration_is_device() no longer has any
users. Drop it.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Tested-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20241218134022.21264-7-avihaih@nvidia.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
During DMA unmap with vIOMMU, vfio_devices_all_running_and_mig_active()
is used to check whether a dirty page log sync of the unmapped pages is
required. Such log sync is needed during migration pre-copy phase, and
the current logic detects it by checking if migration is active and if
the VFIO devices are running.
However, recently there has been an effort to simplify the migration
status API and reduce it to a single migration_is_running() function.
To accommodate this, refactor vfio_devices_all_running_and_mig_active()
logic so it won't use migration_is_active(). Do it by simply checking if
dirty tracking has been started using internal VFIO flags.
This should be equivalent to the previous logic as during migration
dirty tracking is active and when the guest is stopped there shouldn't
be DMA unmaps coming from it.
As a side effect, now that migration status is no longer used, DMA unmap
log syncs are untied from migration. This will make calc-dirty-rate more
accurate as now it will also include VFIO dirty pages that were DMA
unmapped.
Also rename the function to properly reflect its new logic and extract
common code from vfio_devices_all_dirty_tracking().
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Tested-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20241218134022.21264-4-avihaih@nvidia.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
During dirty page log sync, vfio_devices_all_dirty_tracking() is used to
check if dirty tracking has been started in order to avoid errors. The
current logic checks if migration is in ACTIVE or DEVICE states to
ensure dirty tracking has been started.
However, recently there has been an effort to simplify the migration
status API and reduce it to a single migration_is_running() function.
To accommodate this, refactor vfio_devices_all_dirty_tracking() logic so
it won't use migration_is_active() and migration_is_device(). Instead,
use internal VFIO dirty tracking flags.
As a side effect, now that migration status is no longer used to detect
dirty tracking status, VFIO log syncs are untied from migration. This
will make calc-dirty-rate more accurate as now it will also include VFIO
dirty pages.
While at it, as VFIODevice->dirty_tracking is now used to detect dirty
tracking status, add a comment that states how it's protected.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Tested-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20241218134022.21264-3-avihaih@nvidia.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Add a flag to VFIOContainerBase that indicates whether dirty tracking
has been started for the container or not.
This will be used in the following patches to allow dirty page syncs
only if dirty tracking has been started.
Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Tested-by: Joao Martins <joao.m.martins@oracle.com>
Link: https://lore.kernel.org/r/20241218134022.21264-2-avihaih@nvidia.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Convert all targets simultaneously, as the gen_intermediate_code
function disappears from the target. While there are possible
workarounds, they're larger than simply performing the conversion.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Certain Hexagon instructions suppress changes to the result
when the product of fma() is a true zero.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
All uses have been convered to float*_muladd_scalbn.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We currently have a flag, float_muladd_halve_result, to scale
the result by 2**-1. Extend this to handle arbitrary scaling.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
"Host Memory Backends" and "Memory devices" queue ("mem"):
- Fixup handling of virtio-mem unplug during system resets, as
preparation for s390x support (especially kdump in the Linux guest)
- virtio-mem support for s390x
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Merge tag 'mem-2024-12-21' of https://github.com/davidhildenbrand/qemu into staging
Hi,
"Host Memory Backends" and "Memory devices" queue ("mem"):
- Fixup handling of virtio-mem unplug during system resets, as
preparation for s390x support (especially kdump in the Linux guest)
- virtio-mem support for s390x
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# gpg: Signature made Sat 21 Dec 2024 14:17:18 EST
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# gpg: issuer "david@redhat.com"
# gpg: Good signature from "David Hildenbrand <david@redhat.com>" [unknown]
# gpg: aka "David Hildenbrand <davidhildenbrand@gmail.com>" [full]
# gpg: aka "David Hildenbrand <hildenbr@in.tum.de>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1BD9 CAAD 735C 4C3A 460D FCCA 4DDE 10F7 00FF 835A
* tag 'mem-2024-12-21' of https://github.com/davidhildenbrand/qemu:
s390x: virtio-mem support
s390x/virtio-ccw: add support for virtio based memory devices
s390x: remember the maximum page size
s390x/pv: prepare for memory devices
s390x/s390-virtio-ccw: prepare for memory devices
s390x/s390-skeys: prepare for memory devices
s390x/s390-stattrib-kvm: prepare for memory devices and sparse memory layouts
s390x/s390-hypercall: introduce DIAG500 STORAGE_LIMIT
s390x: introduce s390_get_memory_limit()
s390x/s390-virtio-ccw: move setting the maximum guest size from sclp to machine code
s390x: rename s390-virtio-hcall* to s390-hypercall*
s390x/s390-virtio-hcall: prepare for more diag500 hypercalls
s390x/s390-virtio-hcall: remove hypercall registration mechanism
s390x/s390-virtio-ccw: don't crash on weird RAM sizes
virtio-mem: unplug memory only during system resets, not device resets
Conflicts:
- hw/s390x/s390-stattrib-kvm.c
sysemu/ -> system/ header rename conflict.
- hw/s390x/virtio-ccw-mem.c
Make Property array const and removed DEFINE_PROP_END_OF_LIST() to
conform to the latest conventions.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Let's remember the value (successfully) set via s390_set_max_pagesize().
This will be helpful to reject hotplugged memory devices that would exceed
this initially set page size.
Handle it just like how we handle s390_get_memory_limit(), storing it in
the machine, and moving the handling to machine code.
Message-ID: <20241219144115.2820241-13-david@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Let's add s390_get_memory_limit(), to query what has been successfully
set via s390_set_memory_limit(). Allow setting the limit only once.
We'll remember the limit in the machine state. Move
s390_set_memory_limit() to machine code, merging it into
set_memory_limit(), because this really is a machine property.
Message-ID: <20241219144115.2820241-7-david@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
We recently converted from the LegacyReset to the new reset framework
in commit c009a311e9 ("virtio-mem: Use new Resettable framework instead
of LegacyReset") to be able to use the ResetType to filter out wakeup
resets.
However, this change had an undesired implications: as we override the
Resettable interface methods in VirtIOMEMClass, the reset handler will
not only get called during system resets (i.e., qemu_devices_reset())
but also during any direct or indirect device rests (e.g.,
device_cold_reset()).
Further, we might now receive two reset callbacks during
qemu_devices_reset(), first when reset by a parent and later when reset
directly.
The memory state of virtio-mem devices is rather special: it's supposed to
be persistent/unchanged during most resets (similar to resetting a hard
disk will not destroy the data), unless actually cold-resetting the whole
system (different to a hard disk where a reboot will not destroy the data):
ripping out system RAM is something guest OSes don't particularly enjoy,
but we want to detect when rebooting to an OS that does not support
virtio-mem and wouldn't be able to detect+use the memory -- and we want
to force-defragment hotplugged memory to also shrink the usable device
memory region. So we rally want to catch system resets to do that.
On supported targets (e.g., x86), getting a cold reset on the
device/parent triggers is not that easy (but looks like PCI code
might trigger it), so this implication went unnoticed.
However, with upcoming s390x support it is problematic: during
kdump, s390x triggers a subsystem reset, ending up in
s390_machine_reset() and calling only subsystem_reset() instead of
qemu_devices_reset() -- because it's not a full system reset.
In subsystem_reset(), s390x performs a device_cold_reset() of any
TYPE_VIRTUAL_CSS_BRIDGE device, which ends up resetting all children,
including the virtio-mem device. Consequently, we wrongly detect a system
reset and unplug all device memory, resulting in hotplugged memory not
getting included in the crash dump -- undesired.
We really must not mess with hotplugged memory state during simple
device resets. To fix, create+register a new reset object that will only
get triggered during qemu_devices_reset() calls, but not during any other
resets as it is logically not the child of any other object.
Message-ID: <20241025104103.342188-1-david@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Juraj Marcin <jmarcin@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
* Correct the validness check of iova
* Fix APLIC in_clrip and clripnum write emulation
* Support riscv-iommu-sys device
* Add Tenstorrent Ascalon CPU
* Add AIA userspace irqchip_split support
* Add Microblaze V generic board
* Upgrade ACPI SPCR table to support SPCR table revision 4 format
* Remove tswap64() calls from HTIF
* Support 64-bit address of initrd
* Introduce svukte ISA extension
* Support ssstateen extension
* Support for RV64 Xiangshan Nanhu CPU
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Merge tag 'pull-riscv-to-apply-20241220' of https://github.com/alistair23/qemu into staging
RISC-V PR for 10.0
* Correct the validness check of iova
* Fix APLIC in_clrip and clripnum write emulation
* Support riscv-iommu-sys device
* Add Tenstorrent Ascalon CPU
* Add AIA userspace irqchip_split support
* Add Microblaze V generic board
* Upgrade ACPI SPCR table to support SPCR table revision 4 format
* Remove tswap64() calls from HTIF
* Support 64-bit address of initrd
* Introduce svukte ISA extension
* Support ssstateen extension
* Support for RV64 Xiangshan Nanhu CPU
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# gpg: Signature made Thu 19 Dec 2024 20:54:00 EST
# 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-20241220' of https://github.com/alistair23/qemu: (39 commits)
target/riscv: add support for RV64 Xiangshan Nanhu CPU
target/riscv: add ssstateen
target/riscv/tcg: hide warn for named feats when disabling via priv_ver
target/riscv: Include missing headers in 'internals.h'
target/riscv: Include missing headers in 'vector_internals.h'
target/riscv: Check svukte is not enabled in RV32
target/riscv: Expose svukte ISA extension
target/riscv: Check memory access to meet svukte rule
target/riscv: Support hstatus[HUKTE] bit when svukte extension is enabled
target/riscv: Support senvcfg[UKTE] bit when svukte extension is enabled
target/riscv: Add svukte extension capability variable
hw/riscv: Add the checking if DTB overlaps to kernel or initrd
hw/riscv: Add a new struct RISCVBootInfo
hw/riscv: Support to load DTB after 3GB memory on 64-bit system.
hw/char/riscv_htif: Clarify MemoryRegionOps expect 32-bit accesses
hw/char/riscv_htif: Explicit little-endian implementation
MAINTAINERS: Cover RISC-V HTIF interface
tests/qtest/bios-tables-test: Update virt SPCR golden reference for RISC-V
hw/acpi: Upgrade ACPI SPCR table to support SPCR table revision 4 format
qtest: allow SPCR acpi table changes
...
Conflicts:
target/riscv/cpu.c
Merge conflict with DEFINE_PROP_END_OF_LIST() removal. No Property
array terminator is needed anymore.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* rust: second part of QOM rework
* rust: callbacks wrapper
* rust: pl011 bugfixes
* kvm: cleanup errors in kvm_convert_memory()
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* qdev: second part of Property cleanups
* rust: second part of QOM rework
* rust: callbacks wrapper
* rust: pl011 bugfixes
* kvm: cleanup errors in kvm_convert_memory()
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# gpg: Signature made Thu 19 Dec 2024 13:39:05 EST
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (42 commits)
rust: pl011: simplify handling of the FIFO enabled bit in LCR
rust: pl011: fix migration stream
rust: pl011: extend registers to 32 bits
rust: pl011: fix break errors and definition of Data struct
rust: pl011: always use reset() method on registers
rust: pl011: match break logic of C version
rust: pl011: fix declaration of LineControl bits
target/i386: Reset TSCs of parked vCPUs too on VM reset
kvm: consistently return 0/-errno from kvm_convert_memory
rust: qemu-api: add a module to wrap functions and zero-sized closures
rust: qom: add initial subset of methods on Object
rust: qom: add casting functionality
rust: tests: allow writing more than one test
bql: add a "mock" BQL for Rust unit tests
rust: re-export C types from qemu-api submodules
rust: rename qemu-api modules to follow C code a bit more
rust: qom: add possibility of overriding unparent
rust: qom: put class_init together from multiple ClassInitImpl<>
Constify all opaque Property pointers
hw/core/qdev-properties: Constify Property argument to PropertyInfo.print
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Since commit c4b3f46c15 ("include/exec: Move vaddr defines to
separate file") we only need to include "exec/vaddr.h" to get
the 'vaddr' type definition, no need for "exec/cpu-common.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20241217151305.29196-4-philmd@linaro.org>
Nothing requires definitions from "exec/cpu-common.h",
do not include this header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20241217151305.29196-3-philmd@linaro.org>
Nothing requires definitions from "exec/cpu-common.h",
do not include this header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20241217151305.29196-2-philmd@linaro.org>
Remove the single target-specific definition used in
"exec/translator.h" (TARGET_PAGE_MASK) by un-inlining
is_same_page().
Rename the method as translator_is_same_page() and
improve its documentation.
Use it in translator_use_goto_tb().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241218154145.71353-1-philmd@linaro.org>
The TranslationBlock flags are defined in 'exec/translation-block.h'.
tcg_cflags_has/set() use them, it is more logical to declare them in
the same place. Move them there too.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212144430.66224-2-philmd@linaro.org>
curr_cflags() is only used within accel/tcg/,
move its declaration to accel/tcg/internal-common.h.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241216214030.59393-1-philmd@linaro.org>
Commit 944f3d5dd2 ("coroutine: Add qemu_co_mutex_assert_locked")
added an inline method which uses qatomic_read(), itself declared
in "qemu/atomic.h". Explicitly include it now to avoid issue when
refactoring unrelated headers.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20241217141326.98947-3-philmd@linaro.org>
When moving tb_cflags() in commit 88d4b5138a ("tcg: Make
tb_cflags() usable from target-agnostic code") we forgot to
include "qemu/atomic.h", which declares qatomic_read().
Explicitly include it now to avoid issue when refactoring
unrelated headers.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20241217141326.98947-2-philmd@linaro.org>
Move cpu_loop_exit_requested() declaration to "exec/cpu-common.h",
along with the related cpu_loop_exit_noexc(), cpu_loop_exit(),
cpu_loop_exit_atomic() and cpu_loop_exit_restore() methods.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241217140648.98538-1-philmd@linaro.org>
Include "cpu.h" earlier to get the MMU_USER_IDX definition soon
enough and avoid when refactoring unrelated headers:
In file included from include/exec/translator.h:271,
from ../../accel/tcg/translator.c:13:
include/exec/cpu-all.h: In function ‘cpu_mmu_index’:
include/exec/cpu-all.h:274:12: error: ‘MMU_USER_IDX’ undeclared (first use in this function)
274 | return MMU_USER_IDX;
| ^~~~~~~~~~~~
include/exec/cpu-all.h:274:12: note: each undeclared identifier is reported only once for each function it appears in
ninja: build stopped: subcommand failed.
We need to forward-declare cpu_mmu_index() to avoid on user emulation:
In file included from include/exec/cpu-all.h:263,
from include/exec/translator.h:271,
from ../../accel/tcg/translator.c:13:
../../target/sparc/cpu.h: In function ‘cpu_get_tb_cpu_state’:
../../target/sparc/cpu.h:757:13: error: implicit declaration of function ‘cpu_mmu_index’ [-Werror=implicit-function-declaration]
757 | flags = cpu_mmu_index(env_cpu(env), false);
| ^~~~~~~~~~~~~
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241218155202.71931-5-philmd@linaro.org>
Move various declarations related to user emulation
from "exec/exec-all.h" to "user/cpu_loop.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-19-philmd@linaro.org>
Declare cpu_loop() once in "user/cpu_loop.h".
bsd-user gets the G_NORETURN attribute.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-18-philmd@linaro.org>
"linux-user/cpu_loop-common.h" is generic enough to be used by
bsd-user, so rename it as "user/cpu_loop.h".
Mechanical change running:
$ sed -i -e 's,cpu_loop-common.h,user/cpu_loop.h,' \
$(git grep -l cpu_loop-common.h)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-17-philmd@linaro.org>
Move declarations related to page protection under user
emulation from "exec/cpu-all.h" to "user/page-protection.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-15-philmd@linaro.org>
Move declarations related to page protection under user
emulation from "exec/cpu-all.h" to "user/page-protection.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-14-philmd@linaro.org>
Move declarations related to page protection under user
emulation from "exec/cpu-all.h" to "user/page-protection.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-13-philmd@linaro.org>
Move declarations related to page protection under user
emulation from "exec/cpu-all.h" to "user/page-protection.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-12-philmd@linaro.org>
"exec/translate-all.h" is only useful to TCG accelerator,
so move it to accel/tcg/, after renaming it 'tb-internal.h'.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-9-philmd@linaro.org>
Match with the page_protect() prototype, use a tb_page_addr_t
argument instead of target_ulong.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-6-philmd@linaro.org>
