We are not aware of anybody still using this machine, support for it
has been withdrawn from the Linux kernel (i.e. there also won't be
any future development anymore), and we are not aware of any binaries
online that could be used for regression testing to avoid that the
machine bitrots ... thus let's mark it as deprecated now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250121103655.1285596-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Deriving from TYPE_SYS_BUS_DEVICE fixes the SoC object to be reset upon machine
reset. It also makes the SoC implementation not user-creatable which can trigger
the following crash:
$ ./qemu-system-aarch64 -M virt -device fsl-imx8mp
**
ERROR:../../devel/qemu/tcg/tcg.c:1006:tcg_register_thread: assertion failed:
(n < tcg_max_ctxs)
Bail out! ERROR:../../devel/qemu/tcg/tcg.c:1006:tcg_register_thread:
assertion failed: (n < tcg_max_ctxs)
Aborted (core dumped)
Fixes: a4eefc69b2 "hw/arm: Add i.MX 8M Plus EVK board"
Reported-by: Thomas Huth <thuth@redhat.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-ID: <20250318205709.28862-3-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
We only build ARM system emulators using little
endianness, so the MO_TE definition always expands to
MO_LE, and DEVICE_TARGET_ENDIAN to DEVICE_LITTLE_ENDIAN.
Replace the definitions by their expanded value, making
it closer to the Armv7-M Architecture Reference Manual
(ARM DDI 0403E) description:
The System Control Space (SCS, address range 0xE000E000 to
0xE000EFFF) is a memory-mapped 4KB address space that provides
32-bit registers for configuration, status reporting and control.
All accesses to the SCS are little endian.
Fixes: d5d680cacc ("memory: Access MemoryRegion with endianness")
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>
Message-Id: <20250312104821.1012-1-philmd@linaro.org>
bug fix for 10.0
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# gpg: Signature made Thu 27 Mar 2025 08:30:05 EDT
# gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
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# 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-20250327' of https://github.com/gaosong715/qemu:
target/loongarch: Fix the cpu unplug resource leak
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit breaks KVM boot on older kernels, like reported in [1], due
to senvcfg not being available in them.
There's also another problem related to scounteren. Using a recent
enough guest buildroot, 'ping' will be build with rdtime support. In
this case, doing a ping in a KVM guest while exposing scounteren will
result in an error. The root cause relates to how KVM handles
scounteren, but QEMU can work around it by initializing scounteren with
the host value during init().
Fixing these issues in a non-rushed-bandaid manner results in an amount
of design changes that I don't feel comfortable pushing during code
freeze, so for 10.0 we'll remove the CSRs and re-introduce them in 10.1
with the adequate support.
This reverts commit 4db19d5b21.
[1] https://lore.kernel.org/qemu-riscv/CABJz62OfUDHYkQ0T3rGHStQprf1c7_E0qBLbLKhfv=+jb0SYAw@mail.gmail.com/
Reported-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250327152052.707657-1-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
With aux-ram-share=off, booting an SNP guest fails with:
../util/error.c:68: error_setv: Assertion `*errp == NULL' failed.
This is because a CPR blocker for the guest_memfd ramblock is added
twice, once in ram_block_add_cpr_blocker because aux-ram-share=off so
rb->fd < 0, and once in ram_block_add for a specific guest_memfd blocker.
To fix, add the guest_memfd blocker iff a generic one would not be
added by ram_block_add_cpr_blocker.
Fixes: 094a3dbc55 ("migration: ram block cpr blockers")
Reported-by: Tom Lendacky <thomas.lendacky@amd.com>
Reported-by: Michael Roth <michael.roth@amd.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Message-ID: <1743087130-429075-1-git-send-email-steven.sistare@oracle.com>
[reword subject line]
Signed-off-by: Fabiano Rosas <farosas@suse.de>
When the cpu is created, qemu_add_vm_change_state_handler
is called in the kvm_arch_init_vcpu function to create
the VMChangeStateEntry resource.
However, the resource is not released when the cpu is destroyed.
This results in a qemu process segment error when the virtual
machine restarts after the cpu is unplugged.
This patch solves the problem by adding the corresponding resource
release process to the kvm_arch_destroy_vcpu function.
Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20250324123328.518076-1-lixianglai@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
These tests currently fail if VNC support has not been compiled into
the QEMU binary. Let's add some checks to skip the tests in that
case instead.
Message-ID: <20250325064715.278876-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This test currently fails if the "dbus" display has not been compiled
into the binary (which can happen when CFI has been enabled, for example).
Check for the error message to skip the test in that case.
While we're at it, also make sure that this test is covered in the
right section in the MAINTAINERS file.
Message-ID: <20250325061609.272847-1-thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
A bunch of tests are using "-netdev user" but fail to check
for the availability of SLIRP in the binary, so these tests
fail if QEMU has been configured with "--disable-slirp"
(most of the tests are disabled by default with a decorator,
that's likely why nobody noticed this problem yet). Add the
missing self.require_netdev('user') statements to skip the
tests if SLIRP is not available.
Message-ID: <20250324123450.111307-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The arm_aspeed_bletchley timeout takes more than its
current 120s timeout on a debug Rust config:
$ time (cd build/rust; PYTHONPATH=../../python:../../tests/functional QEMU_TEST_QEMU_BINARY=./qemu-system-arm ./pyvenv/bin/python3 ../../tests/functional/test_arm_aspeed_bletchley.py)
TAP version 13
ok 1 test_arm_aspeed_bletchley.BletchleyMachine.test_arm_ast2600_bletchley_openbmc
1..1
real 2m15.536s
user 3m21.444s
sys 0m11.558s
Bump it up to 480s, same as arm_aspeed_rainier.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20250321155806.1888867-1-peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The test_ppc64_e500 occasionally fails (it just hangs and finally times
out). The same issue could also be reproduced with the former Avocado
test already (especially if the host system is under heavy load), so
it's not a new regression. It's very likely the issue that has been
filed at https://gitlab.com/qemu-project/qemu/-/issues/2523 instead (e.g.
I could not reproduce the issue in older commits before commit 578912ad),
so use this URL for the reasoning in the the decorator.
Message-ID: <20250320065012.309520-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The maximum padding size is either 64 or 128 bytes and should always be smaller
than "req_len". If "padding_size" exceeds "req_len", then
"req_len - padding_size" underflows due to "uint32_t" data type, leading to a
large incorrect value (e.g., `0xFFXXXXXX`). This causes an out-of-bounds memory
access, potentially leading to a buffer overflow.
Added a check to ensure "padding_size" does not exceed "req_len" before
computing "pad_offset". This prevents "req_len - padding_size" from underflowing
and avoids accessing invalid memory.
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Fixes: 5cd7d8564a ("aspeed/hace: Support AST2600 HACE ")
Link: https://lore.kernel.org/qemu-devel/20250321092623.2097234-3-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Updated the IRQ handler mask check to AND with select variable.
This ensures that the interrupt service routine is correctly triggered
for the interrupts within the same irq group.
For example, both `eth0` and the debug UART are handled in `GICINT132`.
Without this fix, the debug console may hang if the `eth0` ISR is not
handled.
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Change-Id: Ic3609eb72218dfd68be6057d78b8953b18828709
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Fixes: d831c5fd86 ("aspeed/intc: Add AST2700 support")
Link: https://lore.kernel.org/qemu-devel/20250320092543.4040672-2-steven_lee@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
* exec/cpu-all: remove BSWAP_NEEDED
* pl011: pad C PL011State struct to same size as Rust struct
* rust: hpet: fix type of "timers" property
* rust: hpet: fix functional tests (and really everything that uses it)
* rust: Kconfig: Factor out whether devices are Rust or C
* rust: vmstate: Fixes and tests
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# gpg: Signature made Fri 21 Mar 2025 14:34:51 EDT
# 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: (24 commits)
rust: hpet: fix decoding of timer registers
rust/vmstate: Include complete crate path of VMStateFlags in vmstate_clock
rust/vmstate: Add unit test for vmstate_validate
rust/vmstate: Add unit test for pointer case
rust/vmstate: Add unit test for vmstate_{of|struct} macro
rust/vmstate: Add unit test for vmstate_of macro
rust/vmstate: Support vmstate_validate
rust/vmstate: Re-implement VMState trait for timer binding
rust/vmstate: Relax array check when build varray in vmstate_struct
rust/vmstate: Fix unnecessary VMState bound of with_varray_flag()
rust/vmstate: Fix "cannot infer type" error in vmstate_struct
rust/vmstate: Fix type check for varray in vmstate_struct
rust/vmstate: Fix size field of VMStateField with VMS_ARRAY_OF_POINTER flag
rust/vmstate: Fix num field when varray flags are set
rust/vmstate: Fix num_offset in vmstate macros
rust/vmstate: Remove unnecessary unsafe
exec/cpu-all: remove BSWAP_NEEDED
load_aout: replace bswap_needed with big_endian
rust: pl011: Check size of state struct at compile time
hw/char/pl011: Pad PL011State struct to same size as Rust impl
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Fix a KVM SMP guest hang. This is not completely trivial, but just
small enough to merge it. If this causes any more problems, we can
revert it and the timebase patch which exposed the underlying issue
for release.
* Fix a bunch of Coverity issues reported introduced in ppc, mostly in
powernv code.
* Fix a NetBSD boot bug on mac99 caused by VSX/VMX decodetree rewrite.
* Fix the default CPU selection for older spapr machines.
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# gpg: Signature made Fri 21 Mar 2025 02:22:51 EDT
# gpg: using RSA key 4E437DDA56616F4329B0A79567B30276A8621CAE
# gpg: Good signature from "Nicholas Piggin <npiggin@gmail.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: 4E43 7DDA 5661 6F43 29B0 A795 67B3 0276 A862 1CAE
* tag 'pull-ppc-for-10.0-2-20250321' of https://gitlab.com/npiggin/qemu:
target/ppc: Fix e200 duplicate SPRs
target/ppc: Fix facility interrupt checks for VSX
ppc/spapr: fix default cpu for pre-9.0 machines.
ppc/amigaone: Constify default_env
ppc/amigaone: Check blk_pwrite return value
ppc/pnv: Fix system symbols in HOMER structure definitions
ppc/pnv: Move the PNOR LPC address into struct PnvPnor
ppc/spapr: Fix possible pa_features memory overflow
ppc/xive2: Fix logical / bitwise comparison typo
pnv/xive: Fix possible undefined shift error in group size calculation
ppc/xive: Fix typo in crowd block level calculation
ppc/spapr: Fix RTAS stopped state
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
loongarch queue
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# gpg: Signature made Thu 20 Mar 2025 23:40:21 EDT
# 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-20250321' of https://gitlab.com/bibo-mao/qemu:
target/loongarch: fix bad shift in check_ps()
docs/system: Add entry for LoongArch system
host/include/loongarch64: Fix inline assembly compatibility with Clang
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Due to a missing "& 0x18", timer registers are not decoded correctly.
This breaks the tests/functional/test_x86_64_tuxrun.py functional
test.
Fixes: 519088b7cf ("rust: hpet: decode HPET registers into enums", 2025-03-06)
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a unit test to cover some patterns accepted by vmstate_of macro,
which correspond to the following C version macros:
* VMSTATE_POINTER
* VMSTATE_ARRAY_OF_POINTER
Note: Currently, vmstate_struct can't handle the pointer to structure
case. Leave this case as a FIXME and use vmstate_unused as a place
holder.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-14-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a unit test to cover some patterns accepted by vmstate_of and
vmstate_struct macros, which correspond to the following C version
macros:
* VMSTATE_BOOL_V
* VMSTATE_U64
* VMSTATE_STRUCT_VARRAY_UINT8
* (no C version) MULTIPLY variant of VMSTATE_STRUCT_VARRAY_UINT32
* VMSTATE_ARRAY
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-13-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The vmstate has too many combinations of VMStateFlags and VMStateField.
Currently, the best way to test is to ensure that the Rust vmstate
definition is consistent with the (possibly corresponding) C version.
Add a unit test to cover some patterns accepted by vmstate_of macro,
which correspond to the following C version macros:
* VMSTATE_U16
* VMSTATE_UNUSED
* VMSTATE_VARRAY_UINT16_UNSAFE
* VMSTATE_VARRAY_MULTIPLY
Note: Because vmstate_info_* are defined in vmstate-types.c, it's
necessary to link libmigration to rust unit tests. In the future,
maybe it's possible to spilt libmigration from rust_qemu_api_objs.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-12-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In C version, VMSTATE_VALIDATE accepts the function pointer, which is
used to check if some conditions of structure could meet, although the
C version macro doesn't accept any structure as the opaque type.
But it's hard to integrate VMSTATE_VALIDAE into vmstate_struct, a new
macro has to be introduced to specifically handle the case corresponding
to VMSTATE_VALIDATE.
One of the difficulties is inferring the type of a callback by its name
`test_fn`. We can't directly use `test_fn` as a parameter of
test_cb_builder__() to get its type "F", because in this way, Rust
compiler will be too conservative on drop check and complain "the
destructor for this type cannot be evaluated in constant functions".
Fortunately, PhantomData<T> could help in this case, because it is
considered to never have a destructor, no matter its field type [*].
The `phantom__()` in the `call_func_with_field` macro provides a good
example of using PhantomData to infer type. So copy this idea and apply
it to the `vmstate_validate` macro.
[*]: https://doc.rust-lang.org/std/ops/trait.Drop.html#drop-check
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-11-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
At present, Rust side has a timer binding "timer::Timer", so the vmstate
for timer should base on that binding instead of the raw
"binding::QEMUTimer".
It's possible to apply impl_vmstate_transparent for cell::Opaque and
then impl_vmstate_forward for timer::Timer. But binding::QEMUTimer
shouldn't be used directly, so that vmstate for such raw timer type is
useless.
Thus, apply impl_vmstate_scalar for timer::Timer. And since Opaque<> is
useful, apply impl_vmstate_transparent for cell::Opaque as well.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-10-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The varry of structure created by vmstate_struct is different with
vmstate_of. This is because vmstate_struct uses the `vmsd` to traverse
the vmstates of structure's fields, rather than treating the structure
directly as a well-defined vmstate.
Therefore, there's no need to check array flag when building varray by
vmstate_struct.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-9-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The VMState type bound is not used in with_varray_flag().
And for vmstate_struct, Rust cannot infer the type of `num` from the
call_func_with_field(), so this causes the compiling error because it
complains "cannot satisfy `_: VMState`" in with_varray_flag().
Note Rust can infer the type in vmstate_of macro so that
with_varray_flag() can work at there. It is possible that the different
initialization ways in the two macros cause differences in Rust's
type inference.
But in fact, the VMState type bound is not used in with_varray_flag()
and vmstate_varray_flag() has already checked the VMState type, it's
safe to drop VMState bound of with_varray_flag(), which can fix the
above compiling error.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250318130219.1799170-8-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Philippe Mathieu-Daudé