small fixes all over the place.
UDP tunnel and TSEG tweaks are kind of borderline,
but I feel not making the change now will just add
to compatibility headaches down the road.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pci,pc: fixes for 10.2
small fixes all over the place.
UDP tunnel and TSEG tweaks are kind of borderline,
but I feel not making the change now will just add
to compatibility headaches down the road.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Sun 09 Nov 2025 03:33:54 PM CET
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [unknown]
# gpg: aka "Michael S. Tsirkin <mst@redhat.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: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
vhost-user.rst: clarify when FDs can be sent
q35: increase default tseg size
virtio-net: Advertise UDP tunnel GSO support by default
tests/qtest/bios-tables-test: Update DSDT blobs after GPEX _DSM change
hw/pci-host/gpex-acpi: Fix _DSM function 0 support return value
tests/qtest/bios-tables-test: Prepare for _DSM change in the DSDT table
vhost-user: make vhost_set_vring_file() synchronous
intel_iommu: Fix DMA failure when guest switches IOMMU domain
intel_iommu: Reset pasid cache when system level reset
intel_iommu: Handle PASID cache invalidation
vhost-user: fix shared object lookup handler logic
amd_iommu: Support 64-bit address for IOTLB lookup
amd_iommu: Fix handling of devices on buses != 0
MAINTAINERS: Update entry for AMD-Vi Emulation
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Please pull a bunch of fixes which repair issues introduced due to the previous
patch series which added LASI SCSI and LASI network card support as well as
the new 715 machines.
This includes fixes for reported coverty issues, and repairs the B160L machine
emulation.
Thanks!
Helge
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Merge tag 'lasi-fixes-pull-request' of https://github.com/hdeller/qemu-hppa into staging
hppa lasi bugfixes pull request
Please pull a bunch of fixes which repair issues introduced due to the previous
patch series which added LASI SCSI and LASI network card support as well as
the new 715 machines.
This includes fixes for reported coverty issues, and repairs the B160L machine
emulation.
Thanks!
Helge
# -----BEGIN PGP SIGNATURE-----
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# 50VfT6IusGBBKMaLr/9XgKqrk2bBqgc=
# =mgEV
# -----END PGP SIGNATURE-----
# gpg: Signature made Sun 09 Nov 2025 11:05:57 PM CET
# gpg: using EDDSA key BCE9123E1AD29F07C049BBDEF712B510A23A0F5F
# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
# gpg: aka "Helge Deller <deller@kernel.org>" [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: 4544 8228 2CD9 10DB EF3D 25F8 3E5F 3D04 A7A2 4603
# Subkey fingerprint: BCE9 123E 1AD2 9F07 C049 BBDE F712 B510 A23A 0F5F
* tag 'lasi-fixes-pull-request' of https://github.com/hdeller/qemu-hppa:
target/hppa: Update SeaBIOS-hppa to version 20
ncr710: Use address space of device instead of global address space
ncr710: Add missing vmstate entries
i82596: Adding proper break-statement functionality in RX functions
i82596: Remove crc_valid variable
ncr710: Drop leftover debug code
ncr710: Fix potential null pointer dereference
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In the decode_group9() function, if we don't recognise the insn as
one that we should handle, we leave the 'entry' pointer unaltered.
Because the X86OpEntry struct has a union for the gen and decode
pointers, this means that the top level code will call decode.e.gen()
which tries to use the decode function pointer (still set to
decode_group9) as a gen function pointer.
This is undefined behaviour, but seems to be mostly harmless in
practice (we call decode_group9() again with bogus arguments and it
does nothing). If you have CFI enabled then it will trip the CFI
check:
../target/i386/tcg/decode-new.c.inc:2862:9: runtime error: control flow integrity check for type 'void (struct DisasContext *, struct X86DecodedInsn *)' failed during indirect function call
Set *entry to UNKNOWN_OPCODE to provoke the #UD exception, as we do
in decode_group1A() and decode_group11() for similar situations.
Thanks to the bug reporter for the clear description and analysis of
the bug and the simple reproducer.
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3172
Fixes: fcd16539eb ("target/i386: convert CMPXCHG8B/CMPXCHG16B to new decoder")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20251021173152.1695997-1-peter.maydell@linaro.org>
When disabling MIPS tests on commit 1c11aa1807
("tests/functional: Mark the MIPS replay tests as flaky")
we missed the 5KEc test.
Reported-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: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20251104145955.84091-1-philmd@linaro.org>
re.match(r'^ *', ...) can't fail, but mypy doesn't know that and
complains:
scripts/qapi/parser.py:444: error: Item "None" of "Match[str] | None" has no attribute "end" [union-attr]
Work around by using must_match() instead.
Fixes: 8107ba47fd (qapi: Add documentation format validation)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20251105152219.311154-1-armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250925035610.80605-3-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250925035610.80605-2-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This is SeaBIOS for the hppa architecture v20
and it contains mostly bugfixes for issues which
were introduced by adding the 715/64 machine.
Fixes include:
- Fix inventory for 715 Snake machine
- Detect if LASI LAN and SCSI exists at startup
- Allow LASI LAN on B160L if created by qemu
- Enhance error messages
Signed-off-by: Helge Deller <deller@gmx.de>
Previously the spec did not say where in a message the FDs should be
sent. As I understand it, FDs transferred in ancillary data will
always be received along with the first byte of the data they were
sent with, so we should define which byte that is. Going by both
libvhost-user in QEMU and the rust-vmm crate, that byte is the first
byte of the message header. This is important to specify because it
would make back-end implementation significantly more complicated if
receiving file descriptors in the middle of a message had to be
handled.
Signed-off-by: Alyssa Ross <hi@alyssa.is>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251106192105.3456755-1-hi@alyssa.is>
With virtual machines becoming larger (more CPUs, more memory) the
memory needed by the SMM code in OVMF to manage page tables and vcpu
state grows too.
Default SMM memory (aka TSEG) size is 16 MB, and this often is not
enough. Bump it to 64 MB for new machine types.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251106105640.1642109-1-kraxel@redhat.com>
Allow bidirectional aggregated traffic for UDP encapsulated flows.
Add the needed compatibility entries to avoid migration issues
vs older QEMU instances.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <9c500fbcd2cf29afd1826b1ac906f9d5beac3601.1760104079.git.pabeni@redhat.com>
Currently, only function 0 is supported. According to the ACPI
Specification, Revision 6.6, Section 9.1.1 “_DSM (Device Specific
Method)”, bit 0 should be 0 to indicate that no other functions
are supported beyond function 0.
The resulting AML change looks like this:
Method (_DSM, 4, NotSerialized) // _DSM: Device-Specific Method
{
If ((Arg0 == ToUUID ("e5c937d0-3553-4d7a-9117-ea4d19c3434d")
{
If ((Arg2 == Zero))
{
Return (Buffer (One)
{
- 0x01 // .
+ 0x00 // .
})
}
}
}
Fixes: 5b85eabe68 ("acpi: add acpi_dsdt_add_gpex")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Shameer Kolothum <skolothumtho@nvidia.com>
Tested-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251022080639.243965-3-skolothumtho@nvidia.com>
Subsequent patch will fix the GPEX _DSM method. Add the affected DSDT blobs
to allowed-diff list for bios-table tests.
Signed-off-by: Shameer Kolothum <skolothumtho@nvidia.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251022080639.243965-2-skolothumtho@nvidia.com>
QEMU sends all of VHOST_USER_SET_VRING_KICK, _CALL, and _ERR without
setting the NEED_REPLY flag, i.e. by the time the respective
vhost_user_set_vring_*() function returns, it is completely up to chance
whether the back-end has already processed the request and switched over
to the new FD for interrupts.
At least for vhost_user_set_vring_call(), that is a problem: It is
called through vhost_virtqueue_mask(), which is generally used in the
VirtioDeviceClass.guest_notifier_mask() implementation, which is in turn
called by virtio_pci_one_vector_unmask(). The fact that we do not wait
for the back-end to install the FD leads to a race there:
Masking interrupts is implemented by redirecting interrupts to an
internal event FD that is not connected to the guest. Unmasking then
re-installs the guest-connected IRQ FD, then checks if there are pending
interrupts left on the masked event FD, and if so, issues an interrupt
to the guest.
Because guest_notifier_mask() (through vhost_user_set_vring_call())
doesn't wait for the back-end to switch over to the actual IRQ FD, it's
possible we check for pending interrupts while the back-end is still
using the masked event FD, and then we will lose interrupts that occur
before the back-end finally does switch over.
Fix this by setting NEED_REPLY on those VHOST_USER_SET_VRING_* messages,
so when we get that reply, we know that the back-end is now using the
new FD.
We have a few reports of a virtiofs mount hanging:
- https://gitlab.com/virtio-fs/virtiofsd/-/issues/101
- https://gitlab.com/virtio-fs/virtiofsd/-/issues/133
- https://gitlab.com/virtio-fs/virtiofsd/-/issues/213
This is quite difficult bug to reproduce, even for the reporters.
It only happens on production, every few weeks, and/or on 1 in 300 VMs.
So, we are not 100% sure this fixes that issue. However, we think this
is still a bug, and at least we have one report that claims this fixed
the issue:
https://gitlab.com/virtio-fs/virtiofsd/-/issues/133#note_2743209419
Fixes: 5f6f6664bf ("Add vhost-user as a vhost backend.")
Signed-off-by: German Maglione <gmaglione@redhat.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251022162405.318672-1-gmaglione@redhat.com>
Kernel allows user to switch IOMMU domain, e.g., switch between DMA
and identity domain. When this happen in IOMMU scalable mode, a pasid
cache invalidation request is sent, this request is ignored by vIOMMU
which leads to device binding to wrong address space, then DMA fails.
This issue exists in scalable mode with both first stage and second
stage translations, both emulated and passthrough devices.
Take network device for example, below sequence trigger issue:
1. start a guest with iommu=pt
2. echo 0000:01:00.0 > /sys/bus/pci/drivers/virtio-pci/unbind
3. echo DMA > /sys/kernel/iommu_groups/6/type
4. echo 0000:01:00.0 > /sys/bus/pci/drivers/virtio-pci/bind
5. Ping test
Fix it by switching address space in invalidation handler.
Fixes: 4a4f219e8a ("intel_iommu: add scalable-mode option to make scalable mode work")
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251017093602.525338-4-zhenzhong.duan@intel.com>
Reset pasid cache when system level reset. Currently we don't have any
device supporting PASID yet. So all are PASID_0, its vtd_as is allocated
by PCI system and never removed, just mark pasid cache invalid.
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251017093602.525338-3-zhenzhong.duan@intel.com>
Adds a new entry VTDPASIDCacheEntry in VTDAddressSpace to cache the pasid
entry and track PASID usage and future PASID tagged DMA address translation
support in vIOMMU.
When guest triggers pasid cache invalidation, QEMU will capture it and
update or invalidate pasid cache.
vIOMMU emulator could figure out the reason by fetching latest guest pasid
entry in memory and compare it with cached PASID entry if it's valid.
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251017093602.525338-2-zhenzhong.duan@intel.com>
When adding these files somehow an incomplete version was committed.
Regenerate and update these dtb files to match the dts which fixes
problems caused by missing nodes in the dtb.
Fixes: 9099b430a4 (hw/ppc/pegasos2: Change device tree generation)
Fixes: 3c21f9dfcf (hw/ppc/pegasos2: Add VOF support for pegasos1)
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reported-by: Yogesh Vyas <yvyas1991@gmail.com>
Tested-by: Yogesh Vyas <yvyas1991@gmail.com>
Message-Id: <20251108193717.DADA9597302@zero.eik.bme.hu>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Commit 9099b430a4 introduced an early return that caused a leak of a
GString. Allocate it later to avoid the leak.
Fixes: 9099b430a4 (hw/ppc/pegasos2: Change device tree generation)
Resolves: Coverity CID 1642027
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Link: https://lore.kernel.org/r/20251101165236.76E8B5972E3@zero.eik.bme.hu
Message-ID: <20251101165236.76E8B5972E3@zero.eik.bme.hu>
Refactor backend_read() function and add a reply_ack variable
to have the option for handlers to force tweak whether they should
send a reply or not without depending on VHOST_USER_NEED_REPLY_MASK
flag.
This fixes an issue with
vhost_user_backend_handle_shared_object_lookup() logic, as the
error path was not closing the backend channel correctly. So,
we can remove the reply call from within the handler, make
sure it returns early on errors as other handlers do and
set the reply_ack variable on backend_read() to true to ensure
that it will send a response, thus keeping the original intent.
Fixes: 1609476662 ("vhost-user: add shared_object msg")
Cc: qemu-stable@nongnu.org
Signed-off-by: Albert Esteve <aesteve@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251017072011.1874874-2-aesteve@redhat.com>
The physical AMD IOMMU supports up to 64 bits of IOVA. When a device tries
to read or write from a given DMA address, the IOMMU translates the address
using the I/O page tables assigned to that device. Since the emulated IOMMU
uses per-device page tables, an ideal cache tag would need to be 68 bits
(64-bit address - 12-bit page alignment + 16-bit device ID).
The current software IOTLB implementation uses a GLib hash table with a
64-bit key to hash both the IOVA and device ID, which limits the IOVA to 60
bits. This causes a failure while setting up the device when a guest is
booted with "iommu.forcedac=1", which forces the use of DMA addresses at the
top of the 64-bit address space.
To address this issue, construct the 64-bit hash key using the upper 52 bits
of IOVA (GFN) and lower 12 bits of the device ID to avoid truncation as much
as possible (reducing hash collisions).
Fixes: d29a09ca68 ("hw/i386: Introduce AMD IOMMU")
Signed-off-by: Sairaj Kodilkar <sarunkod@amd.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Tested-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Signed-off-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251103203209.645434-4-alejandro.j.jimenez@oracle.com>
The AMD IOMMU is set up at boot time and uses PCI bus numbers + devfn for
indexing into the DTE. The problem is that before the guest starts, all PCI
bus numbers are 0 as no PCI discovery has happened yet (BIOS and/or kernel
will do that later), so relying on the bus number is wrong.
The immediate effect is that emulated devices cannot do DMA when placed on a
bus other than 0.
Replace the static address_space array with a hash table keyed by devfn and
PCIBus*, since these values do not change after the guest boots.
Co-developed-by: Alexey Kardashevskiy <aik@amd.com>
Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
Signed-off-by: Sairaj Kodilkar <sarunkod@amd.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Tested-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Signed-off-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251103203209.645434-3-alejandro.j.jimenez@oracle.com>
Add myself as maintainer and Sairaj Kodilkar as reviewer.
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Acked-by: Sairaj Kodilkar <sarunkod@amd.com>
Signed-off-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20251103203209.645434-2-alejandro.j.jimenez@oracle.com>
Fix coverty reported logic error CID 1642873.
The initial issue was the break statement exited out of the for loop
unconditionally.
Now, the break only happens if rfd is null, out_of_resources or
bytes_copied < payload_size.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
While testing and developing for the HPUX 10.20 the crc_valid variable
was used in performing CRC checks for the loopback. I expected the
CRC to be absent on specific condition and would skip some
functional checks for the loopback packet, so initially it added
a if-clause that would skip the checks preventing HPUX from
getting stuck at phase loopback.
However, we can remove it, and this then fixes Coverity CID 1642868.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
That code was part of some debugging code. Now it has no effect any
longer, so let's drop it.
Reported-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
The code dereferences s->current before checking if it is NULL. Move the
null check before the dereference to prevent potential crashes.
This issue could occur if s->current is NULL when the function reaches
the "Host adapter (re)connected" path, though this should not normally
happen during correct operation.
Reported-by: Stefan Hajnoczi <stefanha@gmail.com>
Reported-by: GuoHan Zhao <zhaoguohan@kylinos.cn>
Suggested-by: GuoHan Zhao <zhaoguohan@kylinos.cn>
Signed-off-by: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
- Add RPMB emulation to eMMC model
- Use generic MachineState::fdt field in microvm machine
- Remove dead code in ac97_realize()
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Merge tag 'hw-misc-20251104' of https://github.com/philmd/qemu into staging
Misc HW patches
- Add RPMB emulation to eMMC model
- Use generic MachineState::fdt field in microvm machine
- Remove dead code in ac97_realize()
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# gpg: Signature made Wed 05 Nov 2025 09:56:35 AM CET
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [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: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'hw-misc-20251104' of https://github.com/philmd/qemu:
hw/audio: Remove dead code from ac97_realize
hw/i386/microvm: Use fdt field from MachineState
docs: Add eMMC device model description
scripts: Add helper script to generate eMMC block device images
hw/sd/sdcard: Handle RPMB MAC field
hw/sd/sdcard: Add basic support for RPMB partition
hw/sd/sdcard: Allow user creation of eMMCs
hw/sd/sdcard: Fix size check for backing block image
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
As part of the Google Summer of Code 2025 program "Implementing LASI Network
Card and NCR 710 SCSI Controller Device Models" Soumyajyotii Ssarkar fixed
various bugs and enhanced the existing Qemu i82596 network card implementation.
Specifically he added or fixed the following functionality:
- Monitor Mode
- Promiscuous Mode
- Support for linear mode, segmented mode, and flexible memory models
- RX Timer
- Bus Throttle Timers
- Support for Little Endian mode
- Accurate CU and RU transition State
- HP-UX Specific Behavior Support
- Support for Loopback mode
- Self test
- Statistical counters
- VMstate descriptors
- Polling mechanism
- Transmit and Receive functions
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Merge tag 'i82596-fixes-pull-request' of https://github.com/hdeller/qemu-hppa into staging
LASI i82596 network driver fixes
As part of the Google Summer of Code 2025 program "Implementing LASI Network
Card and NCR 710 SCSI Controller Device Models" Soumyajyotii Ssarkar fixed
various bugs and enhanced the existing Qemu i82596 network card implementation.
Specifically he added or fixed the following functionality:
- Monitor Mode
- Promiscuous Mode
- Support for linear mode, segmented mode, and flexible memory models
- RX Timer
- Bus Throttle Timers
- Support for Little Endian mode
- Accurate CU and RU transition State
- HP-UX Specific Behavior Support
- Support for Loopback mode
- Self test
- Statistical counters
- VMstate descriptors
- Polling mechanism
- Transmit and Receive functions
# -----BEGIN PGP SIGNATURE-----
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# =26cF
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 04 Nov 2025 04:21:56 PM CET
# gpg: using EDDSA key BCE9123E1AD29F07C049BBDEF712B510A23A0F5F
# gpg: Good signature from "Helge Deller <deller@gmx.de>" [unknown]
# gpg: aka "Helge Deller <deller@kernel.org>" [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: 4544 8228 2CD9 10DB EF3D 25F8 3E5F 3D04 A7A2 4603
# Subkey fingerprint: BCE9 123E 1AD2 9F07 C049 BBDE F712 B510 A23A 0F5F
* tag 'i82596-fixes-pull-request' of https://github.com/hdeller/qemu-hppa:
i82596: Implement enhanced TX/RX with packet queuing and filtering
i82596: Added core infrastructure and helper functions
hw/hppa: Enable LASI i82596 network on 715 machine
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Avoid
In file included from ../publish/qapi/qapi-schema.json:53:
.../qapi/migration.json:1750:1: documentation line longer than 70 characters
Fixes: ae00f0088f ("migration/qmp: Update "resume" flag doc in "migrate" command")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Remove unnecessary PCI configuration register initialization that was
marked with TODO comments indicating it's redundant:
- PCI_COMMAND register is already 0x00 by default, no need to override
- PCI_BASE_ADDRESS_0 registers are automatically set by pci_register_bar()
This aligns the code with the pattern used by other PCI audio devices
in QEMU (via-ac97, intel-hda, es1370) and removes 15 lines of dead code.
Signed-off-by: Osama Abdelkader <osama.abdelkader@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20251102231903.65409-1-osama.abdelkader@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
MachineState already provides an fdt field, remove it from
MicrovmMachineState and use that instead.
This is useful when using the `dumpdtb` option, as QEMU expects the
device tree to be stored in the MachineState struct, otherwise it
will return this error:
qemu-system-x86_64: This machine doesn't have an FDT
Signed-off-by: Luigi Leonardi <leonardi@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251030-fix_microvm-v1-1-f89544a04be3@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <b9c3ff21e7170fef5d0e7d08698a113d2a64e649.1762261430.git.jan.kiszka@siemens.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
As an eMMC block device image may consist of more than just the user
data partition, provide a helper script that can compose the image from
boot partitions, an RPMB partition and the user data image. The script
also does the required size validation and/or rounding.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <eecefa8e-44ae-45ff-85d0-3f9b786948e0@siemens.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Implement correct setting of the MAC field when passing RPMB frames back
to the guest. Also check the MAC on authenticated write requests.
This depends on HMAC support for QCRYPTO_HASH_ALGO_SHA256 which is
always available via glib - assert this, just to be safe.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <b6f5698c0ca017871d54834f0c7bd4b4b6316bbd.1762261430.git.jan.kiszka@siemens.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The Replay Protected Memory Block (RPMB) is available since eMMC 4.4
which has been obsoleted by 4.41. Therefore lift the provided
EXT_CSD_REV to 5 (4.41) and provide the basic logic to implement basic
support for it. This allows to set the authentication key, read the
write counter and authenticated perform data read and write requests.
Those aren't actually authenticated yet, support for that will be added
later.
The RPMB image needs to be added to backing block images after potential
boot partitions and before the user data. It's size is controlled by
the rpmb-partition-size property.
Also missing in this version (and actually not only for RPMB bits) is
persistence of registers that are supposed to survive power cycles. Most
prominent are the write counters or the authentication key. This feature
can be added later, e.g. by append a state structure to the backing
block image.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <d57388b599e47f5c95f30be7571b77f9016289eb.1762261430.git.jan.kiszka@siemens.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
For testing eMMC-specific functionality (such as handling boot
partitions), it would be very useful to attach them to generic VMs such
as x86_64 via the sdhci-pci device:
...
-drive if=none,id=emmc-drive,file=emmc.img,format=raw \
-device sdhci-pci \
-device emmc,id=emmc0,drive=emmc-drive,boot-partition-size=1048576 \
...
While most eMMCs are soldered to boards, they can also be connected to
SD controllers with just a passive adapter, such as:
https://docs.radxa.com/en/accessories/emmc-to-usdhttps://github.com/voltlog/emmc-wfbga153-microsd
The only change necessary to make the options above work is to avoid
disabling user_creatable, so do that. The SDHCI-PCI driver in the Linux
kernel already supports this just fine.
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Acked-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241015135649.4189256-1-jlu@pengutronix.de>
Enable user-instantiation so that eMMCs can be created for PCI-attached
SD/MMC host controllers (such as sdhci-pci) on virt machines, for QA
purposes for the eMMC model itself and for complex firmware/OS
integrations using the upcoming RPMB partition support.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-ID: <e515cc80de261ff03b3141724298f20313259a85.1762261430.git.jan.kiszka@siemens.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Alignment rules apply the the individual partitions (user, boot, later
on also RPMB) and depend both on the size of the image and the type of
the device. Up to and including 2GB, the power-of-2 rule applies to the
user data area. For larger images, multiples of 512 sectors must be used
for eMMC and multiples of 512K for SD-cards. Fix the check accordingly
and also detect if the image is too small to even hold the boot
partitions.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-ID: <591f6d8a9dc86428723cb6876df6e717cc41a70e.1762261430.git.jan.kiszka@siemens.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
* Move Aspeed machine models in separate source files to ease maintenance
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Merge tag 'pull-aspeed-20251104' of https://github.com/legoater/qemu into staging
aspeed queue:
* Move Aspeed machine models in separate source files to ease maintenance
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# gpg: Signature made Tue 04 Nov 2025 09:31:17 AM CET
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [full]
# gpg: aka "Cédric Le Goater <clg@kaod.org>" [full]
* tag 'pull-aspeed-20251104' of https://github.com/legoater/qemu: (30 commits)
hw/arm/aspeed: Split AST1030 EVB machine into a separate source file for maintainability
hw/arm/aspeed: Rename and export connect_serial_hds_to_uarts() as aspeed_connect_serial_hds_to_uarts()
hw/arm/aspeed: Split AST2700 EVB machine into a separate source file for maintainability
hw/arm/aspeed: Split AST2600 EVB machine into a separate source file for maintainability
hw/arm/aspeed: Split Catalina machine into a separate source file for maintainability
hw/arm/aspeed: Split Rainier machine into a separate source file for maintainability
hw/arm/aspeed: Split GB200NVL machine into a separate source file for maintainability
hw/arm/aspeed: Make aspeed_machine_ast2600_class_emmc_init() a common API for eMMC boot setup
hw/arm/aspeed: Split QCOM DC-SCM V1 machine into a separate source file for maintainability
hw/arm/aspeed: Split QCOM Firework machine into a separate source file for maintainability
hw/arm/aspeed: Split Fuji machine into a separate source file for maintainability
hw/arm/aspeed: Split FBY35 BMC machine into a separate source file for maintainability
hw/arm/aspeed: Split Bletchley machine into a separate source file for maintainability
hw/arm/aspeed: Move ASPEED_RAM_SIZE() macro to common header for reuse
hw/arm/aspeed: Split Palmetto machine into a separate source file for maintainability
hw/arm/aspeed: Split Supermicro X11 machine into a separate source file for maintainability
hw/arm/aspeed: Split Quanta-Q71L machine into a separate source file for maintainability
hw/arm/aspeed: Split AST2500 EVB machine into a separate source file for maintainability
hw/arm/aspeed: Split Supermicro X11SPI machine into a separate file for maintainability
hw/arm/aspeed: Split Romulus machine into a separate source file for maintainability
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Ubuntu is now including updated versions of Rust (up to 1.85) for
its LTS releases. Adjust the CI containers and re-add --enable-rust
to the Ubuntu jobs.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Nested offset_of was stabilized in Rust 1.82. Since the minimum
supported version for QEMU is 1.83, allow nested field accesses
in vmstate_of!
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This fails due to https://github.com/mesonbuild/meson/pull/15076.
The config-host.h file from the qemuutil dependency ends up on the
rustc command line for targets that do not use structured sources.
It will be reverted once Meson 1.9.2 is released.
Reported-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Return a Result<()> from the method, and "unwrap" it into error_fatal
in the caller.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
