qom: Create system containers explicitly

Always explicitly create QEMU system containers upfront.

Root containers will be created when trying to fetch the root object the
1st time. They are:

/o

qom: Create system containers explicitly

Always explicitly create QEMU system containers upfront.

Root containers will be created when trying to fetch the root object the
1st time. They are:

/objects
/chardevs
/backend

Machine sub-containers will be created only until machine is being
initialized. They are:

/machine/unattached
/machine/peripheral
/machine/peripheral-anon

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241121192202.4155849-8-peterx@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

show more ...

Constify all opaque Property pointers

Via sed "s/ Property [*]/ const Property */".

The opaque pointers passed to ObjectProperty callbacks are
the last instances of non-const Property pointers in

Constify all opaque Property pointers

Via sed "s/ Property [*]/ const Property */".

The opaque pointers passed to ObjectProperty callbacks are
the last instances of non-const Property pointers in the tree.
For the most part, these callbacks only use object_field_prop_ptr,
which now takes a const pointer itself.

This logically should have accompanied d36f165d952 which
allowed const Property to be registered.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-25-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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hw/core/qdev-properties: Constify Property argument to PropertyInfo.print

This logically should have accompanied d36f165d952 which
allowed const Property to be registered.

There is exactly one inst

hw/core/qdev-properties: Constify Property argument to PropertyInfo.print

This logically should have accompanied d36f165d952 which
allowed const Property to be registered.

There is exactly one instance of this method: print_pci_devfn.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-24-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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hw/core/qdev-properties: Constify Property argument to object_field_prop_ptr

This logically should have accompanied d36f165d952 which
allowed const Property to be registered.

Signed-off-by: Richard

hw/core/qdev-properties: Constify Property argument to object_field_prop_ptr

This logically should have accompanied d36f165d952 which
allowed const Property to be registered.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-23-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST

Now that all of the Property arrays are counted, we can remove
the terminator object from each array. Update the assertions
in device_clas

include/hw/qdev-properties: Remove DEFINE_PROP_END_OF_LIST

Now that all of the Property arrays are counted, we can remove
the terminator object from each array. Update the assertions
in device_class_set_props to match.

With struct Property being 88 bytes, this was a rather large
form of terminator. Saves 30k from qemu-system-aarch64.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-21-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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hw/core: Remove device_class_set_props function

All uses of device_class_set_props() are now using arrays.
Validate this compile-time in the device_class_set_props macro and
call device_class_set_pr

hw/core: Remove device_class_set_props function

All uses of device_class_set_props() are now using arrays.
Validate this compile-time in the device_class_set_props macro and
call device_class_set_props_n using the known size of the array.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-19-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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hw/core: Introduce device_class_set_props_n

Record the size of the array in DeviceClass.props_count_.
Iterate with known count in qdev_prop_walk.

Signed-off-by: Richard Henderson <richard.henderson

hw/core: Introduce device_class_set_props_n

Record the size of the array in DeviceClass.props_count_.
Iterate with known count in qdev_prop_walk.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-14-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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include/hw/qdev-core: Detect most empty Property lists at compile time

Add a macro expansion of device_class_set_props which can check
on the type and size of PROPS before calling the function.

Avo

include/hw/qdev-core: Detect most empty Property lists at compile time

Add a macro expansion of device_class_set_props which can check
on the type and size of PROPS before calling the function.

Avoid the macro in migration.c because migration_properties
is defined externally with indeterminate size.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-13-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Merge tag 'firmware-20241216-pull-request' of https://gitlab.com/kraxel/qemu into staging

x86/loader: fix efi binary loading
x86/loader: support secure boot with direct kernel load
firmware: json de

Merge tag 'firmware-20241216-pull-request' of https://gitlab.com/kraxel/qemu into staging

x86/loader: fix efi binary loading
x86/loader: support secure boot with direct kernel load
firmware: json descriptor updates
roms: re-add edk2-basetools target

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# gpg: Signature made Mon 16 Dec 2024 05:50:36 EST
# gpg: using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138

* tag 'firmware-20241216-pull-request' of https://gitlab.com/kraxel/qemu:
roms: re-add edk2-basetools target
pc-bios: add missing riscv64 descriptor
pc-bios: Add amd-sev-es to edk2 json
x86/loader: add -shim option
x86/loader: expose unpatched kernel
x86/loader: read complete kernel
x86/loader: only patch linux kernels

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

x86/loader: add -shim option

Add new -shim command line option, wire up for the x86 loader.
When specified load shim into the new "etc/boot/shim" fw_cfg file.

Needs OVMF changes too to be actually

x86/loader: add -shim option

Add new -shim command line option, wire up for the x86 loader.
When specified load shim into the new "etc/boot/shim" fw_cfg file.

Needs OVMF changes too to be actually useful.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20240905141211.1253307-6-kraxel@redhat.com>

show more ...

hw/core: Constify all Property

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

hw/core/eif: Use stateful qcrypto apis

We were storing the pointers to buffers in a GList due to lack of
stateful crypto apis and instead doing the final hash computation at
the end after we had all

hw/core/eif: Use stateful qcrypto apis

We were storing the pointers to buffers in a GList due to lack of
stateful crypto apis and instead doing the final hash computation at
the end after we had all the necessary buffers. Now that we have the
stateful qcrypto apis available, we can instead update the hashes
inline in the read_eif_* functions which makes the code much simpler.

Signed-off-by: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Reviewed-by: Alexander Graf <graf@amazon.com>
Message-ID: <20241109123039.24180-1-dorjoychy111@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

show more ...

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* rust: better integration with clippy, rustfmt and rustdoc
* rust: interior mutability types
* rust: add a bit operations mo

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* rust: better integration with clippy, rustfmt and rustdoc
* rust: interior mutability types
* rust: add a bit operations module
* rust: first part of QOM rework
* kvm: remove unnecessary #ifdef
* clock: small cleanups, improve handling of Clock lifetimes

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# gpg: Signature made Wed 11 Dec 2024 09:57:29 EST
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# 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: (49 commits)
rust: qom: change the parent type to an associated type
rust: qom: split ObjectType from ObjectImpl trait
rust: qom: move bridge for TypeInfo functions out of pl011
rust: qdev: move bridge for realize and reset functions out of pl011
rust: qdev: move device_class_init! body to generic function, ClassInitImpl implementation to macro
rust: qom: move ClassInitImpl to the instance side
rust: qom: convert type_info! macro to an associated const
rust: qom: rename Class trait to ClassInitImpl
rust: qom: add default definitions for ObjectImpl
rust: add a bit operation module
rust: add bindings for interrupt sources
rust: define prelude
rust: cell: add BQL-enforcing RefCell variant
rust: cell: add BQL-enforcing Cell variant
bql: check that the BQL is not dropped within marked sections
qom/object: Remove type_register()
script/codeconverter/qom_type_info: Deprecate MakeTypeRegisterStatic and MakeTypeRegisterNotStatic
ui: Replace type_register() with type_register_static()
target/xtensa: Replace type_register() with type_register_static()
target/sparc: Replace type_register() with type_register_static()
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

hw: add compat machines for 10.0

Add 10.0 machine types for arm/i440fx/m68k/q35/s390x/spapr.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID:

hw: add compat machines for 10.0

Add 10.0 machine types for arm/i440fx/m68k/q35/s390x/spapr.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241126103005.3794748-3-cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

clock: inline most of qdev_init_clocklist

Move object creation out of qdev_init_clocklist. The input/output
cases are very simple, and the aliases are completely different.

Reviewed-by: Philippe M

clock: inline most of qdev_init_clocklist

Move object creation out of qdev_init_clocklist. The input/output
cases are very simple, and the aliases are completely different.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

clock: treat outputs and inputs the same in NamedClockList

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

clock: clear callback on unparent

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

hw/core/machine: diagnose wrapping of maxmem

The 'maxmem' parameter parsed on the command line is held in uint64_t
and then assigned to the MachineState field that is 'ram_addr_t'. This
assignment w

hw/core/machine: diagnose wrapping of maxmem

The 'maxmem' parameter parsed on the command line is held in uint64_t
and then assigned to the MachineState field that is 'ram_addr_t'. This
assignment will wrap on 32-bit hosts, silently changing the user's
config request if it were over-sized.

Improve the existing diagnositics for validating 'size', and add the
same diagnostics for 'maxmem'

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Message-ID: <20241127114057.255995-1-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

show more ...

qdev: Fix set_pci_devfn() to visit option only once

pci_devfn properties accept either a string or an integer as input. To
implement this, set_pci_devfn() first tries to visit the option as a
string

qdev: Fix set_pci_devfn() to visit option only once

pci_devfn properties accept either a string or an integer as input. To
implement this, set_pci_devfn() first tries to visit the option as a
string, and if that fails, it visits it as an integer instead. While the
QemuOpts visitor happens to accept this, it is invalid according to the
visitor interface. QObject input visitors run into an assertion failure
when this is done.

QObject input visitors are used with the JSON syntax version of -device
on the command line:

$ ./qemu-system-x86_64 -enable-kvm -M q35 -device pcie-pci-bridge,id=pci.1,bus=pcie.0 -blockdev null-co,node-name=disk -device '{ "driver": "virtio-blk-pci", "drive": "disk", "id": "virtio-disk0", "bus": "pci.1", "addr": 1 }'
qemu-system-x86_64: ../qapi/qobject-input-visitor.c:143: QObject *qobject_input_try_get_object(QObjectInputVisitor *, const char *, _Bool): Assertion `removed' failed.

The proper way to accept both strings and integers is using the
alternate mechanism, which tells us the type of the input before it's
visited. With this information, we can directly visit it as the right
type.

This fixes set_pci_devfn() by using the alternate mechanism.

Cc: qemu-stable@nongnu.org
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20241119120353.57812-1-kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

show more ...

hw/core/machine-smp: Fix error message parameter

In the loop checking smp cache support, the error message should report
the current cache level and type.

Fix the parameter of error_setg() to ensur

hw/core/machine-smp: Fix error message parameter

In the loop checking smp cache support, the error message should report
the current cache level and type.

Fix the parameter of error_setg() to ensure it reports the correct cache
level and type.

Resolves: Coverity CID 1565391
Fixes: f35c0221fef8 ("hw/core: Check smp cache topology support for machine")
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20241110150901.130647-3-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

hw/core/machine-smp: Initialize caches_bitmap before reading

The caches_bitmap is defined in machine_parse_smp_cache(), but it was
not initialized.

Initialize caches_bitmap by clearing all its bits

hw/core/machine-smp: Initialize caches_bitmap before reading

The caches_bitmap is defined in machine_parse_smp_cache(), but it was
not initialized.

Initialize caches_bitmap by clearing all its bits to zero.

Resolves: Coverity CID 1565389
Fixes: 4e88e7e3403d ("qapi/qom: Define cache enumeration and properties for machine")
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20241110150901.130647-2-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

hw: Add "loadparm" property to scsi disk devices for booting on s390x

While adding the new flexible boot order feature on s390x recently,
we missed to add the "loadparm" property to the scsi-hd and

hw: Add "loadparm" property to scsi disk devices for booting on s390x

While adding the new flexible boot order feature on s390x recently,
we missed to add the "loadparm" property to the scsi-hd and scsi-cd
devices. This property is required on s390x to pass the information
to the boot loader about which kernel should be started or whether
the boot menu should be shown. But even more serious: The missing
property is now causing trouble with the corresponding libvirt patches
that assume that the "loadparm" property is either settable for all
bootable devices (when the "boot order" feature is implemented in
QEMU), or none (meaning the behaviour of older QEMUs that only allowed
one "loadparm" at the machine level). To fix this broken situation,
let's implement the "loadparm" property in for the SCSI devices, too.

Message-ID: <20241115141202.1877294-1-thuth@redhat.com>
Acked-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

eif: cope with huge section sizes

Check for overflow as well as allocation failure. Resolves Coverity CID 1564859.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Dorjoy C

eif: cope with huge section sizes

Check for overflow as well as allocation failure. Resolves Coverity CID 1564859.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

eif: cope with huge section offsets

Check for overflow to avoid that fseek() receives a sign-extended value.

Cc: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@red

eif: cope with huge section offsets

Check for overflow to avoid that fseek() receives a sign-extended value.

Cc: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge tag 'for-upstream-rust' of https://gitlab.com/bonzini/qemu into staging

* rust: cleanups
* rust: integration tests
* rust/pl011: add support for migration
* rust/pl011: add TYPE_PL011_LUMINARY

Merge tag 'for-upstream-rust' of https://gitlab.com/bonzini/qemu into staging

* rust: cleanups
* rust: integration tests
* rust/pl011: add support for migration
* rust/pl011: add TYPE_PL011_LUMINARY device
* rust: add support for older compilers and bindgen

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# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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# 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-rust' of https://gitlab.com/bonzini/qemu: (39 commits)
dockerfiles: install bindgen from cargo on Ubuntu 22.04
rust: make rustfmt optional
rust: allow older version of bindgen
rust: do not use --generate-cstr
rust: allow version 1.63.0 of rustc
rust: clean up detection of the language
rust: do not use MaybeUninit::zeroed()
rust: introduce alternative implementation of offset_of!
rust: create a cargo workspace
rust: synchronize dependencies between subprojects and Cargo.lock
rust: silence unknown warnings for the sake of old compilers
rust: introduce a c_str macro
rust: use std::os::raw instead of core::ffi
rust: fix cfgs of proc-macro2 for 1.63.0
rust: patch bilge-impl to allow compilation with 1.63.0
rust/pl011: Use correct masks for IBRD and FBRD
rust/pl011: remove commented out C code
rust/pl011: add TYPE_PL011_LUMINARY device
rust/pl011: move CLK_NAME static to function scope
rust/pl011: add support for migration
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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