Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Anton Johansson <anjo@rev.ng> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250512180502.2395029-8-pierrick.bouvier@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Pierrick Bouvier [Mon, 12 May 2025 18:04:17 +0000 (11:04 -0700)]
meson: add common libs for target and target_system
Following what we did for hw/, we need target specific common libraries
for target. We need 2 different libraries:
- code common to a base architecture
- system code common to a base architecture
For user code, it can stay compiled per target for now.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250512180502.2395029-4-pierrick.bouvier@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Pierrick Bouvier [Mon, 12 May 2025 18:04:16 +0000 (11:04 -0700)]
include/system/hvf: missing vaddr include
On MacOS x86_64:
In file included from ../target/i386/hvf/x86_task.c:13:
/Users/runner/work/qemu/qemu/include/system/hvf.h:42:5: error: unknown type name 'vaddr'
vaddr pc;
^
/Users/runner/work/qemu/qemu/include/system/hvf.h:43:5: error: unknown type name 'vaddr'
vaddr saved_insn;
^
/Users/runner/work/qemu/qemu/include/system/hvf.h:45:5: error: type name requires a specifier or qualifier
QTAILQ_ENTRY(hvf_sw_breakpoint) entry;
^
/Users/runner/work/qemu/qemu/include/system/hvf.h:45:18: error: a parameter list without types is only allowed in a function definition
QTAILQ_ENTRY(hvf_sw_breakpoint) entry;
^
/Users/runner/work/qemu/qemu/include/system/hvf.h:45:36: error: expected ';' at end of declaration list
QTAILQ_ENTRY(hvf_sw_breakpoint) entry;
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250512180502.2395029-3-pierrick.bouvier@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Thomas Huth [Wed, 14 May 2025 13:29:47 +0000 (14:29 +0100)]
MAINTAINERS: Add an entry for the Bananapi machine
This machine was still missing from the MAINTAINERS file. Since there
is likely no active maintainer around for this machine (I didn't spot
any contributions from Qianfan Zhao in the git log after 2023), I'm
suggesting Peter as maintainer with status set to "Odd fixes".
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 20250508072706.114278-1-thuth@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
hw/arm: Replace TABs for spaces in OMAP board and device code
In hw/arm and include/hw/arm, some source files for the OMAP SoC
and the sx1 boards that are our only remaining OMAP boards still
have hard-coded tabs (almost entirely used for the indent on
inline comments, not for actual code indent).
Replace the tabs with spaces using vim :retab. I used 4 spaces
except in some defines and comments where I tried to put
everything aligned in the same column for better readability.
This commit is a purely whitespace-only change.
Signed-off-by: Santiago Monserrat Campanello <santimonserr@gmail.com>
Message-id: 20250505131130.82206-1-santimonserr@gmail.com
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/373
[PMM: expanded commit message] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Wed, 14 May 2025 13:29:47 +0000 (14:29 +0100)]
rust: pl011: Cut down amount of text quoted from PL011 TRM
Currently the comments in the Rust pl011 register.rs file include
large amounts of text from the PL011 TRM. This is much more
commentary than we typically quote from a device reference manual,
and much of it is not relevant to QEMU. Compress and rephrase the
comments so that we are not quoting such a large volume of TRM text.
We add a URL for the TRM; readers who need more detail on the
function of the register bits can find it there, presented in
context with the overall description of the hardware.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Peter Maydell [Wed, 14 May 2025 13:29:46 +0000 (14:29 +0100)]
target/arm: Remove TYPE_AARCH64_CPU
The TYPE_AARCH64_CPU class is an abstract type that is the parent of
all the AArch64 CPUs. It now has no special behaviour of its own, so
we can eliminate it and make the AArch64 CPUs directly inherit from
TYPE_ARM_CPU.
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: 20250429132200.605611-8-peter.maydell@linaro.org
Peter Maydell [Wed, 14 May 2025 13:29:46 +0000 (14:29 +0100)]
target/arm/kvm: don't check TYPE_AARCH64_CPU
We want to merge TYPE_AARCH64_CPU with TYPE_ARM_CPU, so enforcing in
kvm_arch_init_vcpu() that the CPU class is a subclass of
TYPE_AARCH64_CPU will no longer be possible.
It's safe to just remove this test, because any purely-AArch32 CPU
will fail the "kvm_target isn't set" check, because we no longer
support the old AArch32-host KVM setup and so CPUs like the Cortex-A7
no longer set cpu->kvm_target. Only the 'host', 'max', and the
odd special cases 'cortex-a53' and 'cortex-a57' set kvm_target.
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: 20250429132200.605611-7-peter.maydell@linaro.org
Peter Maydell [Wed, 14 May 2025 13:29:46 +0000 (14:29 +0100)]
target/arm: Move aarch64 CPU property code to TYPE_ARM_CPU
The only thing we have left in the TYPE_AARCH64_CPU class that makes
it different to TYPE_ARM_CPU is that we register the handling of the
"aarch64" property there.
Move the handling of this property to the base class, where we make
it a property of the object rather than of the class, and add it
to the CPU if it has the ARM_FEATURE_AARCH64 property present at
init. This is in line with how we handle other Arm CPU properties,
and should not change which CPUs it's visible for.
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: 20250429132200.605611-6-peter.maydell@linaro.org
Peter Maydell [Wed, 14 May 2025 13:29:46 +0000 (14:29 +0100)]
target/arm: Present AArch64 gdbstub based on ARM_FEATURE_AARCH64
Currently we provide an AArch64 gdbstub for CPUs which are
TYPE_AARCH64_CPU, and an AArch32 gdbstub for those which are only
TYPE_ARM_CPU. This mostly does the right thing, except in the
corner case of KVM with -cpu host,aarch64=off. That produces a CPU
which is TYPE_AARCH64_CPU but which has ARM_FEATURE_AARCH64 removed
and which to the guest is in AArch32 mode.
Now we have moved all the handling of AArch64-vs-AArch32 gdbstub
behaviour into TYPE_ARM_CPU we can change the condition we use for
whether to select the AArch64 gdbstub to look at ARM_FEATURE_AARCH64.
This will mean that we now correctly provide an AArch32 gdbstub for
aarch64=off CPUs.
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: 20250429132200.605611-5-peter.maydell@linaro.org
Peter Maydell [Wed, 14 May 2025 13:29:45 +0000 (14:29 +0100)]
hw/core/cpu-common: Don't init gdbstub until cpu_exec_realizefn()
Currently we call gdb_init_cpu() in cpu_common_initfn(), which is
very early in the CPU object's init->realize creation sequence. In
particular this happens before the architecture-specific subclass's
init fn has even run. This means that gdb_init_cpu() can only do
things that depend strictly on the class, not on the object, because
the CPUState* that it is passed is currently half-initialized.
In commit a1f728ecc90cf6c6 we accidentally broke this rule, by adding
a call to the gdb_get_core_xml_file method which takes the CPUState.
At the moment we get away with this because the only implementation
doesn't actually look at the pointer it is passed. However the whole
reason we created that method was so that we could make the "which
XML file?" decision based on a property of the CPU object, and we
currently can't change the Arm implementation of the method to do
what we want without causing wrong behaviour or a crash.
The ordering restrictions here are:
* we must call gdb_init_cpu before:
- any call to gdb_register_coprocessor()
- any use of the gdb_num_regs field (this is only used
in code that's about to call gdb_register_coprocessor()
and wants to know the first register number of the
set of registers it's about to add)
* we must call gdb_init_cpu after CPU properties have been
set, which is to say somewhere in realize
The function cpu_exec_realizefn() meets both of these requirements,
as it is called by the architecture-specific CPU realize function
early in realize, before any calls ot gdb_register_coprocessor().
Move the gdb_init_cpu() call to there.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250429132200.605611-4-peter.maydell@linaro.org
Peter Maydell [Wed, 14 May 2025 13:29:45 +0000 (14:29 +0100)]
target/microblaze: Delay gdb_register_coprocessor() to realize
Currently the microblaze code calls gdb_register_coprocessor() in its
initfn. This works, but we would like to delay setting up GDB
registers until realize. All other target architectures only call
gdb_register_coprocessor() in realize, after the call to
cpu_exec_realizefn().
Move the microblaze gdb_register_coprocessor() use, bringing it
in line with other targets.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20250429132200.605611-3-peter.maydell@linaro.org
Peter Maydell [Wed, 14 May 2025 13:29:45 +0000 (14:29 +0100)]
target/microblaze: Use 'obj' in DEVICE() casts in mb_cpu_initfn()
We're about to make a change that removes the only other use
of the 'cpu' local variable in mb_cpu_initfn(); since the
DEVICE() casts work fine with the Object*, use that instead,
so that we can remove the local variable when we make the
following change.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250429132200.605611-2-peter.maydell@linaro.org
# -----BEGIN PGP SIGNATURE-----
#
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# =wdkQ
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 14 May 2025 04:00:03 EDT
# gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.com>" [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: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF
* tag 'pull-loongarch-20250514' of https://github.com/gaosong715/qemu:
hw/loongarch/boot: Adjust the loading position of the initrd
hw/intc/loongarch_pch: Merge three memory region into one
hw/intc/loongarch_pch: Set flexible memory access size with iomem region
hw/intc/loongarch_pch: Rename memory region iomem32_low with iomem
hw/intc/loongarch_pch: Use unified trace event for memory region ops
hw/intc/loongarch_pch: Use generic write callback for iomem8 region
hw/intc/loongarch_pch: Use generic write callback for iomem32_high region
hw/intc/loongarch_pch: Use generic write callback for iomem32_low region
hw/intc/loongarch_pch: Use generic read callback for iomem8 region
hw/intc/loongarch_pch: Use generic read callback for iomem32_high region
hw/intc/loongarch_pch: Use generic read callback for iomem32_low region
hw/intc/loongarch_pch: Discard write operation with ISR register
hw/intc/loongarch_pch: Use relative address in MemoryRegionOps
hw/intc/loongarch_pch: Set version information at initial stage
hw/intc/loongarch_pch: Remove some duplicate macro
hw/intc/loongarch_pch: Modify register name PCH_PIC_xxx_OFFSET with PCH_PIC_xxx
hw/intc/loongarch_pch: Modify name of some registers
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Wed, 14 May 2025 11:16:35 +0000 (07:16 -0400)]
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* meson: small old patches (one from 2022)
* rust: pl011: forward port some changes from C version
* target/i386: small improvements to TCG emulation
* target/i386: HVF emulation cleanups
* target/i386: add its_no feature
* cs4231a: fix assertion failure
* update Linux headers
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
target/i386: Make ITS_NO available to guests
hw/audio/cs4231a: fix assertion error in isa_bus_get_irq
linux-headers: update from 6.15 + kvm/next
target/i386: remove lflags
target/i386/emulate: mostly rewrite flags handling
target/i386/emulate: stop overloading decode->op[N].ptr
target/i386: implement TSS trap bit
target/i386: move push of error code to switch_tss_ra
target/i386: list TCG-supported features for CPUID[80000021h].EAX
target/i386: ignore misplaced REX prefixes
rust: pl011: Really use RX FIFO depth
rust: pl011: Rename RX FIFO methods
modinfo: lookup compile_commands.json by object
meson: remove unnecessary dependencies from specific_ss
meson: do not check supported TCG architecture if no emulators built
meson: drop --enable-avx* options
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Wed, 14 May 2025 11:16:01 +0000 (07:16 -0400)]
Merge tag 'pull-block-jobs-2025-04-29-v3' of https://gitlab.com/vsementsov/qemu into staging
block-job patches
- deprecate some old block-job- APIs
- on-cbw-error option for backup
- more efficient zero handling in block commit
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# gpg: Signature made Mon 12 May 2025 11:24:12 EDT
# gpg: using RSA key 8B9C26CDB2FD147C880E86A1561F24C1F19F79FB
# gpg: Good signature from "Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>" [unknown]
# gpg: aka "Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>" [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: 8B9C 26CD B2FD 147C 880E 86A1 561F 24C1 F19F 79FB
* tag 'pull-block-jobs-2025-04-29-v3' of https://gitlab.com/vsementsov/qemu:
blockdev-backup: Add error handling option for copy-before-write jobs
qapi/block-core: deprecate some block-job- APIs
qapi: synchronize jobs and block-jobs documentation
block: add test non-active commit with zeroed data
block: allow commit to unmap zero blocks
block: refactor error handling of commit_iteration
block: move commit_run loop to separate function
block: get type of block allocation in commit_run
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Xianglai Li [Tue, 6 May 2025 08:09:46 +0000 (16:09 +0800)]
hw/loongarch/boot: Adjust the loading position of the initrd
When only the -kernel parameter is used to load the elf kernel, the initrd
is loaded in the ram. If the initrd size is too large, the loading fails,
resulting in a VM startup failure. This patch first loads initrd near
the kernel.
When the nearby memory space of the kernel is insufficient, it tries to
load it to the starting position of high memory. If there is still not
enough, qemu will report an error and ask the user to increase the memory
space for the virtual machine to boot.
Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Message-Id: <20250506080946.817092-1-lixianglai@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:54 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Merge three memory region into one
Since memory region iomem supports memory access size with 1/2/4/8,
it can be used for memory region iomem8 and iomem32_high. Now remove
memory region iomem8 and iomem32_high, merge them into iomem together.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-5-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:53 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Set flexible memory access size with iomem region
The original iomem region only supports 4 bytes access size, set it ok
with 1/2/4/8 bytes. Also unaligned memory access is not supported.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-4-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:52 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Rename memory region iomem32_low with iomem
Rename memory region iomem32_low with iomem, also change ops name
as follows:
loongarch_pch_pic_reg32_low_ops --> loongarch_pch_pic_ops
loongarch_pch_pic_low_readw --> loongarch_pch_pic_read
loongarch_pch_pic_low_writew --> loongarch_pch_pic_write
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-3-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:51 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Use unified trace event for memory region ops
Add trace event trace_loongarch_pch_pic_read(), replaces the following
three events:
trace_loongarch_pch_pic_low_readw()
trace_loongarch_pch_pic_high_readw()
trace_loongarch_pch_pic_readb()
The similiar with write trace event.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-2-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:37:50 +0000 (10:37 +0800)]
hw/intc/loongarch_pch: Use generic write callback for iomem8 region
Add iomem8 region register write operation emulation in generic write
function loongarch_pch_pic_write(), and use this function for iomem8
region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023754.1877445-1-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:43 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic write callback for iomem32_high region
Add iomem32_high region register write operation emulation in generic
write function loongarch_pch_pic_write(), and use this function for
iomem32_high region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-12-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:42 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic write callback for iomem32_low region
For memory region iomem32_low, generic write callback is used.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-11-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:41 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic read callback for iomem8 region
Add iomem8 region register read operation emulation in generic read
function loongarch_pch_pic_read(), and use this function for iomem8
region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-10-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:40 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic read callback for iomem32_high region
Add register read operation emulation in generic read function
loongarch_pch_pic_read(), and use this function for iomem32_high region.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-9-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:39 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use generic read callback for iomem32_low region
For memory region iomem32_low, generic read callback is used.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-8-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:38 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Discard write operation with ISR register
With the latest 7A1000 user manual, interrupt status register ISR is
read only. Here discard write operation with ISR register.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-7-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:37 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Use relative address in MemoryRegionOps
Parameter address for read and write callback in MemoryRegionOps is
relative offset with base address of this MemoryRegionOps. It can
be directly used as offset and offset calculation can be removed.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-6-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:36 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Set version information at initial stage
Register PCH_PIC_INT_ID constains version and supported irq number
information, and it is read only register. The detailed value can
be set at initial stage, rather than read callback.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-5-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:35 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Remove some duplicate macro
The meaning of macro definition STATUS_LO_START is simliar with
PCH_PIC_INT_STATUS, only that offset is different, the same for
macro POL_LO_START. Now remove these duplicated macro definitions.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-4-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:34 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Modify register name PCH_PIC_xxx_OFFSET with PCH_PIC_xxx
Macro PCH_PIC_HTMSI_VEC_OFFSET and PCH_PIC_ROUTE_ENTRY_OFFSET is renamed
as PCH_PIC_HTMSI_VEC and PCH_PIC_ROUTE_ENTRY separately, it is easier to
understand.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-3-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Bibo Mao [Wed, 7 May 2025 02:31:33 +0000 (10:31 +0800)]
hw/intc/loongarch_pch: Modify name of some registers
For some registers with width 8 bytes, its name is something like
PCH_PIC_INT_ID_LO and PCH_PIC_INT_ID_HI. From hardware manual,
register name is PCH_PIC_INT_ID instead. Here name PCH_PIC_INT_ID
is used, and PCH_PIC_INT_ID + 4 is used for PCH_PIC_INT_ID_HI.
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Clement Mathieu--Drif <clement.mathieu--drif@eviden.com> Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20250507023148.1877287-2-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
Pawan Gupta [Mon, 12 May 2025 17:26:04 +0000 (10:26 -0700)]
target/i386: Make ITS_NO available to guests
When a system is not affected by Indirect Target Selection (ITS)
vulnerability, VMMs set ITS_NO bit in MSR IA32_ARCH_CAPABILITIES to let the
guest know that it is not affected.
Zheng Huang [Fri, 9 May 2025 11:21:35 +0000 (19:21 +0800)]
hw/audio/cs4231a: fix assertion error in isa_bus_get_irq
This patch fixes an assertion error in isa_bus_get_irq() in
/hw/isa/isa-bus.c by adding a constraint to the irq property.
Patch v1 misused ISA_NUM_IRQS, pls ignore that.
While Bochs's algorithms are pretty solid, there are small opportunities
to improve them or to make their logic more similar to TCG's handling
of condition codes.
- use a single bit for the difference between bits 0..7 of result and PF.
This is useful because "set only ZF" is not a common case.
- place SD in the same place as SF
- move CF and PO at bits 62 and 63 when target_ulong is 64-bits wide,
so that 64-bit ALU operations need fewer shifts
- use rotates to move CF and AF from auxbits to their eflags position
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
decode->op[N].ptr can contain either a host pointer (!) in CPUState
or a guest virtual address. Pass the whole struct to read_val_ext
and write_val_ext, so that it can decide the contents based on the
operand type.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Thu, 8 May 2025 08:29:43 +0000 (10:29 +0200)]
rust: pl011: Really use RX FIFO depth
While we model a 16-elements RX FIFO since the PL011 model was
introduced in commit cdbdb648b7c ("ARM Versatile Platform Baseboard
emulation"), we only read 1 char at a time!
Have can_receive() return how many elements are available, and use that
in receive().
This is the Rust version of commit 3e0f118f825 ("hw/char/pl011: Really
use RX FIFO depth"); but it also adds back a comment that is present
in commit f576e0733cc ("hw/char/pl011: Add support for loopback") and
absent in the Rust code.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
blockdev-backup: Add error handling option for copy-before-write jobs
This patch extends the blockdev-backup QMP command to allow users to specify
how to behave when IO errors occur during copy-before-write operations.
Previously, the behavior was fixed and could not be controlled by the user.
The new 'on-cbw-error' option can be set to one of two values:
- 'break-guest-write': Forwards the IO error to the guest and triggers
the on-source-error policy. This preserves snapshot integrity at the
expense of guest IO operations.
- 'break-snapshot': Allows the guest OS to continue running normally,
but invalidates the snapshot and aborts related jobs. This prioritizes
guest operation over backup consistency.
This enhancement provides more flexibility for backup operations in different
environments where requirements for guest availability versus backup
consistency may vary.
The default behavior remains unchanged to maintain backward compatibility.
Signed-off-by: Raman Dzehtsiar <Raman.Dzehtsiar@gmail.com>
Message-ID: <20250414090025.828660-1-Raman.Dzehtsiar@gmail.com> Acked-by: Markus Armbruster <armbru@redhat.com>
[vsementsov: fix long lines] Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Tested-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Stefan Hajnoczi [Mon, 12 May 2025 15:11:37 +0000 (11:11 -0400)]
Merge tag 'qtest-20250509-pull-request' of https://gitlab.com/farosas/qemu into staging
Qtest pull request
- Fix migration-test invocation of qtest_init
- Simplify byte-swapping for virtio in libqos
- New cpu hotplug test for loongarch64
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# gpg: Signature made Fri 09 May 2025 17:16:40 EDT
# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.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: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D
* tag 'qtest-20250509-pull-request' of https://gitlab.com/farosas/qemu:
tests/qtest/cpu-plug-test: Add cpu hotplug support for LoongArch
tests/qtest/libqos: Avoid double swapping when using modern virtio
qtest: introduce qtest_init_ext
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Mon, 12 May 2025 15:11:27 +0000 (11:11 -0400)]
Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging
trivial patches for 2025-05-09
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# gpg: Signature made Fri 09 May 2025 16:52:20 EDT
# gpg: using RSA key 64AA2AB531D56903366BFEF982AA4A243B1E9478
# gpg: Good signature from "Michael Tokarev <mjt@debian.org>" [unknown]
# gpg: aka "Michael Tokarev <mjt@corpit.ru>" [unknown]
# gpg: aka "Michael Tokarev <mjt@tls.msk.ru>" [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: 9D8B E14E 3F2A 9DD7 9199 28F1 61AD 3D98 ECDF 2C8E
# Subkey fingerprint: 64AA 2AB5 31D5 6903 366B FEF9 82AA 4A24 3B1E 9478
* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu: (21 commits)
docs/devel/testing/functional: Fix typo
docs: replace `-hda` with `-drive` & update `root=` kernel parameter
qapi/machine-target.json: fix "in in" typo in comment
hw/display/apple-gfx.m: fix "in in" typo in comment
qapi/qom.json: fix "the the" typo in comment
include/hw/xen/interface/io/blkif.h: fix "the the" typo in comment
include/exec/cpu-common.h: fix "the the" typo in comment
hw/xen/xen-hvm-common.c: fix "the the" typo in comment
block.c: fix "the the" typo in comment
linux-user/mmap.c: fix "of of" typo in comment
hw/acpi/pcihp: Fix typo in function name
hw/pci-host/gpex-acpi: Fix typo in comment
hw/net/e1000: Remove stray empty comment in header
qom/object: Fix typo in comment
hw/core/machine: Fix indentation
hw/i386/acpi-build: Fix typo in function name
hw/acpi/ich9: Remove ICH9_DEBUG macro
hw/i386/acpi-build: Update document reference
hw/i386/acpi-build: Fix typo and grammar in comment
hw/isa/ich9: Remove stray empty comment
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Paolo Bonzini [Thu, 8 May 2025 08:29:42 +0000 (10:29 +0200)]
rust: pl011: Rename RX FIFO methods
In preparation of having a TX FIFO, rename the RX FIFO methods.
This is the Rust version of commit 40871ca758cf ("hw/char/pl011:
Rename RX FIFO methods").
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Fri, 24 May 2024 09:26:54 +0000 (11:26 +0200)]
modinfo: lookup compile_commands.json by object
Since modinfo support was added, Meson fixed several issues with
extract_objects and compile_commands.json lookups can be simplified.
If the lookup uses the object file as key, there is no need to use the
command line to distinguish among all entries for a given source.
Ninja 1.9 is required in order to produce the 'output' key in
compile_commands.json; it is available in CentOS Stream 9, Debian 11, SLES
15.2, Ubuntu 20.04 and in all recent BSD distros. Samurai also has it.
Paolo Bonzini [Thu, 8 May 2025 13:13:38 +0000 (15:13 +0200)]
meson: remove unnecessary dependencies from specific_ss
All dependencies that are in common_ss (which includes system_ss) automatically
have their include path added when building the target-specific files. So the
hack in ui/meson.build is not needed anymore since commit 727bb5b477e ("meson:
pick libfdt from common_ss when building target-specific files", 2024-05-10);
drop it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Mon, 9 May 2022 10:50:29 +0000 (12:50 +0200)]
meson: do not check supported TCG architecture if no emulators built
Errors about TCI are pointless if only tools are being built; suppress
them even if the user did not specify --disable-tcg.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Paolo Bonzini [Fri, 5 Jul 2024 07:12:20 +0000 (09:12 +0200)]
meson: drop --enable-avx* options
Just detect compiler support and always enable the optimizations if
it is avilable; warn if the user did request AVX2/AVX512 use via
-Dx86_version= but the intrinsics are not available.
Suggested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Integral [Sun, 6 Apr 2025 08:45:18 +0000 (16:45 +0800)]
docs: replace `-hda` with `-drive` & update `root=` kernel parameter
According to QEMU manual:
Older options like `-hda` are essentially macros which expand into
`-drive` options for various drive interfaces. The original forms
bake in a lot of assumptions from the days when QEMU was emulating a
legacy PC, they are not recommended for modern configurations.
Signed-off-by: Integral <integral@archlinuxcn.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Gustavo Romero [Sun, 4 May 2025 21:56:39 +0000 (21:56 +0000)]
hw/acpi/ich9: Remove ICH9_DEBUG macro
Remove the ICH9_DEBUG macro, which is only used to dump the value of the
pm_io_base parameter, passed to ich9_pm_iospace_update(). It provides
little to no value and is not worth converting to a trace event.
Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org> Reviewed-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Bibo Mao [Fri, 14 Mar 2025 08:51:30 +0000 (16:51 +0800)]
tests/qtest/cpu-plug-test: Add cpu hotplug support for LoongArch
Add cpu hotplug testcase support for LoongArch system, it passes to
run with command "make check-qtest-loongarch64" as following:
qemu:qtest+qtest-loongarch64 / qtest-loongarch64/cpu-plug-test OK 0.38s 1 subtests passed
Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250314085130.4184272-1-maobibo@loongson.cn> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Thomas Huth [Wed, 30 Apr 2025 13:28:17 +0000 (15:28 +0200)]
tests/qtest/libqos: Avoid double swapping when using modern virtio
The logic in the qvirtio_read/write function is rather a headache,
involving byte-swapping when the target is big endian, just to
maybe involve another byte-swapping in the qtest_read/write
function immediately afterwards (on the QEMU side). Let's do it in
a more obvious way here: For virtio 1.0, we know that the values have
to be little endian, so let's read/write the bytes in that well known
order here.
Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-ID: <20250430132817.610903-1-thuth@redhat.com> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Merge qtest_init_with_env_and_capabilities() and qtest_init_with_env()
into one qtest_init_ext().
Reasons:
1. qtest_init_with_env() is just wrong: it gets do_connect parameter
but always pass true to qtest_init_with_env_and_capabilities().
Happily, all qtest_init_with_env() callers pass true as well.
2. qtest_init_with_env() is not used outside of libqtest.c, so no
reason to keep it as public function
3. and in libqtest.c it's used not often, so no problem to use
more generic function instead.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Steve Sistare <steven.sistare@oracle.com> Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250410162250.329941-1-vsementsov@yandex-team.ru> Signed-off-by: Fabiano Rosas <farosas@suse.de>
Stefan Hajnoczi [Fri, 9 May 2025 16:04:34 +0000 (12:04 -0400)]
Merge tag 'pull-vfio-20250509' of https://github.com/legoater/qemu into staging
vfio queue:
* Preparatory changes for the introduction of CPR support
* Automatic enablement of OpRegion for IGD device passthrough
* Linux headers update
* Preparatory changes for the introduction of vfio-user
Stefan Hajnoczi [Fri, 9 May 2025 16:04:27 +0000 (12:04 -0400)]
Merge tag 'docs-dep-pull-request' of https://gitlab.com/berrange/qemu into staging
Enable automated removal of deprecated versioned machine types
* Remove test relying on 4.1 machine type that is about to
be disabled
* Fix off-by-1 in deprecation/removal logic for versioned
machine types to cope with dev/rc versions
* Enable logic for disabling registration of versioned machine
types which have exceeded the 6 year lifetime policy.
* Add automated version information to documentation about which
versioned machine types are deprecated and removed
* tag 'docs-dep-pull-request' of https://gitlab.com/berrange/qemu:
include/hw/boards: add warning about changing deprecation logic
docs/about/removed-features: auto-generate a note for versioned machine types
docs/about/deprecated: auto-generate a note for versioned machine types
include/hw/boards: cope with dev/rc versions in deprecation checks
Revert "include/hw: temporarily disable deletion of versioned machine types"
tests/qtest/q35-test: Remove the obsolete test_without_smram_base test
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
block/nvme: Use host PCI MMIO API
include: Add a header to define host PCI MMIO functions
util: Add functions for s390x mmio read/write
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Fri, 9 May 2025 16:04:10 +0000 (12:04 -0400)]
Merge tag 'hw-misc-20250508' of https://github.com/philmd/qemu into staging
Misc HW patches
- Allow using plugins on BSD user-emulation
- Inline VMSTATE_CPU() macro
- Fix header includes for HVF x86
- Build hw/hyperv/ files once
- Various typo fixed
- Fix issue in i.MX I2C model
* tag 'hw-misc-20250508' of https://github.com/philmd/qemu:
hw/i2c/imx: Always set interrupt status bit if interrupt condition occurs
hw/i386/acpi-build: Fix typo and grammar in comment
hw/i386/acpi-build: Update document reference
hw/i386/acpi-build: Fix build_append_notfication_callback typo
hw/acpi/ged: Fix wrong identation
hw/pci/pcie_port: Fix pcie_slot_is_hotpluggbale_bus typo
hw/hyperv/hyperv: common compilation unit
hw/hyperv/hyperv_testdev: common compilation unit
hw/hyperv/balloon: common balloon compilation units
hw/hyperv/syndbg: common compilation unit
hw/hyperv/vmbus: common compilation unit
hw/hyperv/hyperv.h: header cleanup
hw/hyperv/hv-balloon-stub: common compilation unit
system/hvf: Expose hvf_enabled() to common code
system/hvf: Avoid including 'cpu.h'
accel/hvf: Include missing 'hw/core/cpu.h' header
target/migration: Inline VMSTATE_CPU()
qom: Factor qom_resolve_path() out
bsd-user: add option to enable plugins
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* tag 'ui-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
ui/spice: support multi plane dmabuf scanout
ui/dbus: change dbus ScanoutDMABUF interface
ui/egl: support multi-plane dmabuf when egl export/import
ui/egl: use DRM_FORMAT_MOD_INVALID as default modifier
ui/egl: require EGL_EXT_image_dma_buf_import_modifiers
ui/dmabuf: extend QemuDmaBuf to support multi-plane
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Stefan Hajnoczi [Fri, 9 May 2025 14:20:40 +0000 (10:20 -0400)]
Merge tag 'edgar/xen-queue-2025-05-06.for-upstream' of https://gitlab.com/edgar.iglesias/qemu into staging
Edgars Xen queue
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# gpg: Signature made Tue 06 May 2025 13:23:55 EDT
# gpg: using RSA key AC44FEDC14F7F1EBEDBF415129C596780F6BCA83
# gpg: Good signature from "Edgar E. Iglesias (Xilinx key) <edgar.iglesias@xilinx.com>" [unknown]
# gpg: aka "Edgar E. Iglesias <edgar.iglesias@gmail.com>" [unknown]
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# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: AC44 FEDC 14F7 F1EB EDBF 4151 29C5 9678 0F6B CA83
* tag 'edgar/xen-queue-2025-05-06.for-upstream' of https://gitlab.com/edgar.iglesias/qemu:
xen: mapcache: Split mapcache_grants by ro and rw
xen: mapcache: Fix finding matching entry
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
John Levon [Wed, 7 May 2025 15:20:18 +0000 (16:20 +0100)]
vfio: add vfio-pci-base class
Split out parts of TYPE_VFIO_PCI into a base TYPE_VFIO_PCI_BASE,
although we have not yet introduced another subclass, so all the
properties have remained in TYPE_VFIO_PCI.
Note that currently there is no need for additional data for
TYPE_VFIO_PCI, so it shares the same C struct type as
TYPE_VFIO_PCI_BASE, VFIOPCIDevice.
Originally-by: John Johnson <john.g.johnson@oracle.com> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Signed-off-by: John Levon <john.levon@nutanix.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-14-john.levon@nutanix.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
John Levon [Wed, 7 May 2025 15:20:16 +0000 (16:20 +0100)]
vfio: add region info cache
Instead of requesting region information on demand with
VFIO_DEVICE_GET_REGION_INFO, maintain a cache: this will become
necessary for performance for vfio-user, where this call becomes a
message over the control socket, so is of higher overhead than the
traditional path.
We will also need it to generalize region accesses, as that means we
can't use ->config_offset for configuration space accesses, but must
look up the region offset (if relevant) each time.
Originally-by: John Johnson <john.g.johnson@oracle.com> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Signed-off-by: John Levon <john.levon@nutanix.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-12-john.levon@nutanix.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
John Levon [Wed, 7 May 2025 15:20:15 +0000 (16:20 +0100)]
vfio: add device IO ops vector
For vfio-user, device operations such as IRQ handling and region
read/writes are implemented in userspace over the control socket, not
ioctl() to the vfio kernel driver; add an ops vector to generalize this,
and implement vfio_device_io_ops_ioctl for interacting with the kernel
vfio driver.
Originally-by: John Johnson <john.g.johnson@oracle.com> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Signed-off-by: John Levon <john.levon@nutanix.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Link: https://lore.kernel.org/qemu-devel/20250507152020.1254632-11-john.levon@nutanix.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
John Levon [Wed, 7 May 2025 15:20:10 +0000 (16:20 +0100)]
vfio: consistently handle return value for helpers
Various bits of code that call vfio device APIs should consistently use
the "return -errno" approach for passing errors back, rather than
presuming errno is (still) set correctly.
projects / thirdparty / qemu.git / log
