Roy Hopkins (the original author) does not respond, so the new plan
going forward is that I will maintain this together with Stefano. Also
add Ani as reviewer.
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20251029105555.2492276-6-kraxel@redhat.com>
Add IgvmNativeVpContextX64 struct holding the register state (see igvm
spec), and the qigvm_x86_load_context() function to load the register
state.
Wire up using two new functions: qigvm_x86_set_vp_context() is called
from igvm file handling code and stores the boot processor context.
qigvm_x86_bsp_reset() is called from i386 target cpu reset code and
loads the context into the cpu registers.
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20251029105555.2492276-5-kraxel@redhat.com>
Add and wire up qigvm_x86_get_mem_map_entry function which converts the
e820 table into an igvm memory map parameter. This makes igvm files for
the native (non-confidential) platform with memory map parameter work.
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20251029105555.2492276-4-kraxel@redhat.com>
Prepare for arch-specific igvm code being added to the code base.
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-ID: <20251029105555.2492276-2-kraxel@redhat.com>
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Merge tag 'audio-test-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging
Audio clean-ups
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# gpg: Signature made Fri 31 Oct 2025 07:43:56 AM CET
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [unknown]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [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: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5
* tag 'audio-test-pull-request' of https://gitlab.com/marcandre.lureau/qemu: (36 commits)
audio: deprecate HMP audio commands
audio: Rename @endianness argument as @big_endian for clarity
audio: Remove pointless local variables
audio: drop needless audio_driver "descr" field
audio: move capture API to own header
audio: cleanup, use bool for booleans
audio: remove dependency on spice header
audio: move audio.h under include/qemu/
audio/dbus: use a helper function to set the backend dbus server
audio: remove QEMUSoundCard
audio: rename AudioState -> AudioBackend
audio: move internal APIs to audio_int.h
audio/replay: fix type punning
audio: introduce AUD_set_volume_{in,out}_lr()
audio: remove AUDIO_HOST_ENDIANNESS
audio: remove some needless headers
audio: initialize card_head during object init
audio: register and unregister vmstate with AudioState
audio: keep vmstate handle with AudioState
audio: drop needless error message
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
It is useful to compare PSCI calls of the same guest running
under TCG or HVF.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Re-use arm_is_psci_call() instead of open-coding it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In order to extend the trace events to other registers,
rename and pass the register group as argument.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Prefix init_cpreg_list() with 'arm_'.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Do not expose ARM specific fields to X86 implementation,
allowing to use the proper 'hv_vcpu_exit_t' type.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Similarly to 1d78a3c3ab for KVM, wrap hv_vcpu_run() with
cpu_exec_start/end(), so that the accelerator can perform
pending operations while all vCPUs are quiescent. See also
explanation in commit c265e976f4 ("cpus-common: lock-free
fast path for cpu_exec_start/end").
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Factor hvf_handle_vmexit() out of hvf_vcpu_exec().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Factor hvf_handle_vmexit() out of hvf_arch_vcpu_exec().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Factor hvf_handle_exception() out of hvf_vcpu_exec().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Creating a vCPU locks out APIs such as hv_gic_create().
As a result, switch to using the hv_vcpu_config_get_feature_reg interface.
Besides, all the following methods must be run on a vCPU thread:
- hv_vcpu_create()
- hv_vcpu_get_sys_reg()
- hv_vcpu_destroy()
Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-ID: <20250808070137.48716-3-mohamed@unpredictable.fr>
[PMD: Release config calling os_release()]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use index in the structure, dereference &host_isar.idregs[] once.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Hardcode MIDR because Apple deliberately doesn't expose
a divergent MIDR across systems.
Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Call hv_vcpu_destroy() to destroy our vCPU context.
As hv_vcpu_destroy() must be called by the owning thread,
document hvf_arch_vcpu_destroy() also does.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since hvf_inject_interrupts() calls hv_vcpu_set_pending_interrupt(),
which must run on a vCPU, it also must. Mention it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since hvf_arch_update_guest_debug() calls hvf_arch_set_traps()
and hvf_arch_update_guest_debug(), which must run on a vCPU, it
also must. Mention it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since hvf_arch_set_traps() calls hv_vcpu_set_trap_debug_exceptions()
and hv_vcpu_set_trap_debug_reg_accesses(), which must run on a vCPU,
it also must. Mention it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since hvf_sync_vtimer() calls hv_vcpu_get_sys_reg(),
which must run on a vCPU, it also must. Mention it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hvf_arch_init_vcpu(), along with hvf_put_guest_debug_registers()
and hvf_put_gdbstub_debug_registers(), calls hv_vcpu_set_sys_reg(),
which must run on a vCPU. Mention they also must.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since flush_cpu_state() calls hvf_arch_put_registers(),
which must run on a vCPU, it also must. Mention it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hvf_put_registers() and hvf_get_registers() are implemented per
target, rename them using the 'hvf_arch_' prefix following the
per target pattern.
Since they call hv_vcpu_set_reg() / hv_vcpu_get_reg(), mention
they must be called on the vCPU.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hvf_vcpu_exec() is implemented per target, rename it as
hvf_arch_vcpu_exec(), following the per target pattern.
Since it calls hv_vcpu_run(), mention it must be called
on the vCPU.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hv_vcpu_set_vtimer_mask() returns a hv_return_t enum type
(defined in <Hypervisor/hv_error.h>). Assert we succeeded,
as we are not ready to handle any error path.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hv_vcpus_exit() returns a hv_return_t enum type (defined
in <Hypervisor/hv_error.h>). Assert we succeeded, as we
are not ready to handle any error path.
Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hv_vcpu_config_create() is documented in <Hypervisor/hv_vcpu_config.h>
as:
/*!
@abstract Creates a vcpu configuration object.
@result A new vcpu configuration object. This should be released with os_release when no longer used.
*/
OS_OBJECT_RETURNS_RETAINED OS_WARN_RESULT
hv_vcpu_config_t hv_vcpu_config_create(void);
Release the memory allocated by hv_vcpu_config_create() with
os_release().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The VirtMachineClass::kvm_no_adjvtime field was only used by the
virt-4.2 machine, which got removed. Remove it as now unused, but
keep the ARMCPU homonym property.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-5-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This machine has been supported for a period of more than 6 years.
According to our versioned machine support policy (see commit
ce80c4fa6f "docs: document special exception for machine type
deprecation & removal") it can now be removed.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-4-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The VirtMachineClass::no_ged field was only used by virt-4.1
machine, which got removed. Remove it as now unused.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-3-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This machine has been supported for a period of more than 6 years.
According to our versioned machine support policy (see commit
ce80c4fa6f "docs: document special exception for machine type
deprecation & removal") it can now be removed.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20251020094022.68768-2-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Before commit f76cee647c ("target/arm: Introduce mmu indexes for
GCS") it was impossible for arm_to_core_mmu_idx() to return an
invalid core MMU index, because NB_MMU_MODES was 16 and
ARM_MMU_IDX_COREIDX_MASK was 0xf.
That commit raises ARM_MMU_IDX_COREIDX_MASK to 0x1f and NB_MMU_MODES
to 22, so it's now possible for a bogus Arm mmu index to result in an
out of range core mmu index (which can then get used as an array
index in the CPUTLB struct arrays). Coverity complains that this
might result in an out-of-bounds access.
The out-of-bounds access can't happen because we construct all the
ARMMMUIdx values we will use for TLBs to have valid core MMU indexes
in the COREIDX field. But we can add an assert() so that if we ever
do end up operating on a corrupted or wrong ARMMMUIdx value we get an
assert rather than silently indexing off the end of an array. This
should also make Coverity happier.
Coverity: CID 1641404
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20251023101339.1983809-1-peter.maydell@linaro.org
Currently our security policy defines a "virtualization use case"
where we consider bugs to be security issues, and a
"non-virtualization use case" where we do not make any security
guarantees and don't consider bugs to be security issues.
The rationale for this split is that much code in QEMU is older and
was not written with malicious guests in mind, and we don't have the
resources to audit, fix and defend it. So instead we inform users
about what the can in practice rely on as a security barrier, and
what they can't.
We don't currently restrict the "virtualization use case" to any
particular set of machine types. This means that we have effectively
barred ourselves from adding KVM support to any machine type that we
don't want to put into the "bugs are security issues" category, even
if it would be useful for users to be able to get better performance
with a trusted guest by enabling KVM. This seems an unnecessary
restriction, and in practice the set of machine types it makes
sense to use for untrusted-guest virtualization is quite small.
Specifically, we would like to be able to enable the use of
KVM with the imx8 development board machine types, but we don't
want to commit ourselves to having to support those SoC models
and device models as part of QEMU's security boundary:
https://lore.kernel.org/qemu-devel/20250629204851.1778-3-shentey@gmail.com/
This patch updates the security policy to explicitly list the
machine types we consider to be useful for the "virtualization
use case".
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-id: 20251016131159.750480-1-peter.maydell@linaro.org
Acked-by: Markus Armbruster <armbru@redhat.com>
The virt machine now supports creating multiple SMMUv3 instances, each
associated with a separate PCIe root complex.
Update the documentation with an example.
Signed-off-by: Shameer Kolothum <skolothumtho@nvidia.com>
[PMM: some minor wording tweaks]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
uint8_t is good enough to hold a property "between 0 and 0xff".
Define pullups/pulldowns properties using DEFINE_PROP_UINT8()
macro, remove unnecessary range checks in pl061_realize().
Update the two caller sites.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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tty5M+P2eIzOafaRHscarWLrnI01mAY=
=zfDK
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Merge tag 'pull-loongarch-20251030' of https://github.com/bibo-mao/qemu into staging
loongarch queue
# -----BEGIN PGP SIGNATURE-----
#
# iHUEABYKAB0WIQQNhkKjomWfgLCz0aQfewwSUazn0QUCaQLPjQAKCRAfewwSUazn
# 0c6EAP4wnAifbVCAMLxvMXtacIO7LomcdGDxXtwSh8l7GXvCtwD9E8MvJhrb7gMb
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# =zfDK
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# gpg: Signature made Thu 30 Oct 2025 03:38:05 AM CET
# gpg: using EDDSA key 0D8642A3A2659F80B0B3D1A41F7B0C1251ACE7D1
# gpg: Good signature from "bibo mao <maobibo@loongson.cn>" [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: 7044 3A00 19C0 E97A 31C7 13C4 8E86 8FB7 A176 9D4C
# Subkey fingerprint: 0D86 42A3 A265 9F80 B0B3 D1A4 1F7B 0C12 51AC E7D1
* tag 'pull-loongarch-20251030' of https://github.com/bibo-mao/qemu:
target/loongarch: Add PTW feature support in KVM mode
linux-headers: Update to Linux v6.18-rc3
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
tests/functional: Mark the MIPS replay tests as flaky
tests/functional: Mark the MIPS Debian Wheezy tests as flaky
accel/tcg: Introduce and use MO_ALIGN_TLB_ONLY
tcg: Simplify extract2 usage in tcg_gen_shifti_i64
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Merge tag 'pull-misc-20251031' of https://gitlab.com/rth7680/qemu into staging
linux-user: permit sendto() with NULL buf and 0 len
tests/functional: Mark the MIPS replay tests as flaky
tests/functional: Mark the MIPS Debian Wheezy tests as flaky
accel/tcg: Introduce and use MO_ALIGN_TLB_ONLY
tcg: Simplify extract2 usage in tcg_gen_shifti_i64
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# =S/88
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# gpg: Signature made Fri 31 Oct 2025 12:52:14 PM CET
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-misc-20251031' of https://gitlab.com/rth7680/qemu:
linux-user: permit sendto() with NULL buf and 0 len
tests/functional: Mark the MIPS Debian Wheezy tests as flaky
tests/functional: Mark the MIPS replay tests as flaky
tcg: Simplify extract2 usage in tcg_gen_shifti_i64
accel/tcg: Introduce and use MO_ALIGN_TLB_ONLY
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
