Implement nRF51 DETECT signal in the GPIO peripheral.
The reference manual makes mention of a per-pin DETECT signal, but these
are not exposed to the user. See https://devzone.nordicsemi.com/f/nordic-q-a/39858/gpio-per-pin-detect-signal-available
for more information. Currently, I don't see a reason to model these.
Signed-off-by: Chris Laplante <chris@laplante.io>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230728160324.1159090-2-chris@laplante.io
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is a last minute PR for RISC-V.
The main goal is to fix
https://gitlab.com/qemu-project/qemu/-/issues/1823
which is a regression that means the aclint option
cannot be enabled.
While we are here we also fixup KVM issue.
* KVM: fix mvendorid size
* Fixup aclint check
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Merge tag 'pull-riscv-to-apply-20230811-3' of https://github.com/alistair23/qemu into staging
Sixth RISC-V PR for 8.1
This is a last minute PR for RISC-V.
The main goal is to fix
https://gitlab.com/qemu-project/qemu/-/issues/1823
which is a regression that means the aclint option
cannot be enabled.
While we are here we also fixup KVM issue.
* KVM: fix mvendorid size
* Fixup aclint check
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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 11 Aug 2023 11:23:41 AM PDT
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013
* tag 'pull-riscv-to-apply-20230811-3' of https://github.com/alistair23/qemu:
hw/riscv/virt.c: change 'aclint' TCG check
target/riscv/kvm.c: fix mvendorid size in vcpu_set_machine_ids()
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The 'aclint' property is being conditioned with tcg acceleration in
virt_machine_class_init(). But acceleration code starts later than the
class init of the board, meaning that tcg_enabled() will be always be
false during class_init(), and the option is never being declared even
when declaring TCG accel:
$ ./build/qemu-system-riscv64 -M virt,accel=tcg,aclint=on
qemu-system-riscv64: Property 'virt-machine.aclint' not found
Fix it by moving the check from class_init() to machine_init(). Tune the
description to mention that the option is TCG only.
Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
Fixes: c0716c81b ("hw/riscv/virt: Restrict ACLINT to TCG")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1823
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230811160224.440697-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
two fixes that seem very safe and important enough to sneak
in before the release.
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
pci: last minute bugfixes
two fixes that seem very safe and important enough to sneak
in before the release.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# iMX2m14lKRMy2hr8dEVh/XdLf7loAN1jSE8/Wdt+PEaexolqxCM=
# =1GLE
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 11 Aug 2023 09:16:50 AM PDT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# 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: 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:
pci: Fix the update of interrupt disable bit in PCI_COMMAND register
hw/pci-host: Allow extended config space access for Designware PCIe host
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The PCI_COMMAND register is located at offset 4 within
the PCI configuration space and occupies 2 bytes. The
interrupt disable bit is at the 10th bit, which corresponds
to the byte at offset 5 in the PCI configuration space.
In our testing environment, the guest driver may directly
updates the byte at offset 5 in the PCI configuration space.
The backtrace looks like as following:
at hw/pci/pci.c:1442
at hw/virtio/virtio-pci.c:605
val=5, len=1) at hw/pci/pci_host.c:81
In this situation, the range_covers_byte function called
by the pci_default_write_config function will return false,
resulting in the inability to handle the interrupt disable
update event.
To fix this issue, we can use the ranges_overlap function
instead of range_covers_byte to determine whether the interrupt
bit has been updated.
Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Signed-off-by: yuanminghao <yuanmh12@chinatelecom.cn>
Message-Id: <ce2d0437-8faa-4d61-b536-4668f645a959@chinatelecom.cn>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fixes: b6981cb57b ("pci: interrupt disable bit support")
In pcie_bus_realize(), a root bus is realized as a PCIe bus and a non-root
bus is realized as a PCIe bus if its parent bus is a PCIe bus. However,
the child bus "dw-pcie" is realized before the parent bus "pcie" which is
the root PCIe bus. Thus, the extended configuration space is not accessible
on "dw-pcie". The issue can be resolved by adding the
PCI_BUS_EXTENDED_CONFIG_SPACE flag to "pcie" before "dw-pcie" is realized.
Signed-off-by: Jason Chien <jason.chien@sifive.com>
Message-Id: <20230809102257.25121-1-jason.chien@sifive.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Signed-off-by: Jason Chien <<a href="mailto:jason.chien@sifive.com" target="_blank">jason.chien@sifive.com</a>><br>
The Reclaim Unit Update operation in I/O Management Receive does not
verify the presence of a configured endurance group prior to accessing
it.
Fix this.
Cc: qemu-stable@nongnu.org
Fixes: 73064edfb8 ("hw/nvme: flexible data placement emulation")
Reviewed-by: Jesper Wendel Devantier <j.devantier@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
nvme_directive_receive() does not check if an endurance group has been
configured (set) prior to testing if flexible data placement is enabled
or not.
Fix this.
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1815
Fixes: 73064edfb8 ("hw/nvme: flexible data placement emulation")
Reviewed-by: Jesper Wendel Devantier <j.devantier@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
The nvme CRC64 generator expects the caller to pass inverted seed value.
Pass inverted crc value for metadata buffer.
Cc: qemu-stable@nongnu.org
Fixes: 44219b6029 ("hw/nvme: 64-bit pi support")
Signed-off-by: Ankit Kumar <ankit.kumar@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Hi,
Here is a collection of ui, dump and chardev fixes that are worth for 8.1.
thanks
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Merge tag 'fixes-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging
Fixes for 8.1
Hi,
Here is a collection of ui, dump and chardev fixes that are worth for 8.1.
thanks
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# 7SX8YistmktaEeN+Y50qoiEVgg==
# =ANQg
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 07 Aug 2023 01:46:51 PM PDT
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
* tag 'fixes-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
ui/gtk: set scanout mode in gd_egl/gd_gl_area_scanout_texture
hw/i386/vmmouse:add relative packet flag for button status
dump: kdump-zlib data pages not dumped with pvtime/aarch64
virtio-gpu: reset gfx resources in main thread
virtio-gpu: free BHs, by implementing unrealize
chardev: report the handshake error
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The buttons value use macros instead of direct numbers.
If request relative mode, have to add this for
guest vmmouse driver to judge this is a relative packet.
otherwise,vmmouse driver will not match
the condition 'status & VMMOUSE_RELATIVE_PACKET',
and can't report events on the correct(relative) input device,
result to relative mode unuseful.
Signed-off-by: Zongmin Zhou<zhouzongmin@kylinos.cn>
Message-ID: <20230413081526.2229916-1-zhouzongmin@kylinos.cn>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Calling OpenGL from different threads can have bad consequences if not
carefully reviewed. It's not generally supported. In my case, I was
debugging a crash in glDeleteTextures from OPENGL32.DLL, where I asked
qemu for gl=es, and thus ANGLE implementation was expected. libepoxy did
resolution of the global pointer for glGenTexture to the GLES version
from the main thread. But it resolved glDeleteTextures to the GL
version, because it was done from a different thread without correct
context. Oops.
Let's stick to the main thread for GL calls by using a BH.
Note: I didn't use atomics for reset_finished check, assuming the BQL
will provide enough of sync, but I might be wrong.
Acked-by: Dongwon Kim <dongwon.kim@intel.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230726173929.690601-3-marcandre.lureau@redhat.com>
The clock and data values were logged swapped. Correct the trace event
text to match what is logged. Also fix a typo in a comment nearby.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
As of prior to this patch, the controller checks the value of CC.IOCQES
and CC.IOSQES prior to enabling the controller. As reported by Ben in
GitLab issue #1691, this is not spec compliant. The controller should
only check these values when queues are created.
This patch moves these checks to nvme_create_cq(). We do not need to
check it in nvme_create_sq() since that will error out if the completion
queue is not already created.
Also, since the controller exclusively supports SQEs of size 64 bytes
and CQEs of size 16 bytes, hard code that.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1691
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
As reported by Trend Micro's Zero Day Initiative, an oob memory read
vulnerability exists in nvme_fdp_events(). The host-provided offset is
not verified.
Fix this.
This is only exploitable when Flexible Data Placement mode (fdp=on) is
enabled.
Fixes: CVE-2023-4135
Fixes: 73064edfb8 ("hw/nvme: flexible data placement emulation")
Reported-by: Trend Micro's Zero Day Initiative
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
The board firmware handles this correctly following the Open Firmware
standard which we missed. This fixes 64 bit BARs when using VOF.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <20230721221320.1311E7456AB@zero.eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The board firmware names devices by their class so match that for
common devices. Also make sure the /rtas node has a name. This is
needed because VOF otherwise does not include it in results got by
nextprop which is how AmigaOS queries it and fails if no name property
is found.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <808ade37aa141563d1ee349254151672bf7a5d59.1689725688.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The register offset of the ROM BAR is 0x30 not 0x28. This fixes the
reg property entry of the ROM region in the device tree.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <6abd73b1211f9d0776dfa5d71d6294f17eecb426.1689725688.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The original non-free board firmware sets the command register of the
USB functions to 7 and some guests rely on this for working USB. Match
what the board firmware does when using VOF instead.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <06a2b864431425f23d1f2b5abf0c027819ac11c6.1689725688.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
For symmetric algorithms, the length of ciphertext must be as same
as the plaintext.
The missing verification of the src_len and the dst_len in
virtio_crypto_sym_op_helper() may lead buffer overflow/divulged.
This patch is originally written by Yiming Tao for QEMU-SECURITY,
resend it(a few changes of error message) in qemu-devel.
Fixes: CVE-2023-3180
Fixes: 04b9b37edda("virtio-crypto: add data queue processing handler")
Cc: Gonglei <arei.gonglei@huawei.com>
Cc: Mauro Matteo Cascella <mcascell@redhat.com>
Cc: Yiming Tao <taoym@zju.edu.cn>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230803024314.29962-2-pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The values in "msg" are assembled in host endian byte order (the other
field are also not swapped), so we must not swap the __addr_head here.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230802135723.178083-6-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
The values in "addr" are populated locally in this function in host
endian byte order, so we must not swap the index_l field here.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230802135723.178083-5-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
On big endian hosts, we need to reverse the bitfield order in the
struct VTDInvDescIEC, just like it is already done for the other
bitfields in the various structs of the intel-iommu device.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230802135723.178083-4-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
The code already tries to do some endianness handling here, but
currently fails badly:
- While it already swaps the data when logging errors / tracing, it fails
to byteswap the value before e.g. accessing entry->irte.present
- entry->irte.source_id is swapped with le32_to_cpu(), though this is
a 16-bit value
- The whole union is apparently supposed to be swapped via the 64-bit
data[2] array, but the struct is a mixture between 32 bit values
(the first 8 bytes) and 64 bit values (the second 8 bytes), so this
cannot work as expected.
Fix it by converting the struct to two proper 64-bit bitfields, and
by swapping the values only once for everybody right after reading
the data from memory.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230802135723.178083-3-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
After reading the guest memory with dma_memory_read(), we have
to make sure that we byteswap the little endian data to the host's
byte order.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230802135723.178083-2-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
When the vhost-user reconnect to the backend, the notifer should be
cleanup. Otherwise, the fd resource will be exhausted.
Fixes: f9a09ca3ea ("vhost: add support for configure interrupt")
Signed-off-by: Li Feng <fengli@smartx.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20230731121018.2856310-2-fengli@smartx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2224964
In migration with VF failover, Windows guest and ACPI hot
unplug we do not need to satisfy config requests, otherwise
the guest immediately detects the device and brings up its
driver. Many network VF's are stuck on the guest PCI bus after
the migration.
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Message-Id: <20230728084049.191454-1-yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
virtio_queue_packed_set_last_avail_idx() is used by vhost devices to set
the internal queue indices to what has been reported by the vhost
back-end through GET_VRING_BASE. For packed virtqueues, this
32-bit value is expected to contain both the device's internal avail and
used indices, as well as their respective wrap counters.
To get the used index, we shift the 32-bit value right by 16, and then
apply a mask of 0x7ffff. That seems to be a typo, because it should be
0x7fff; first of all, the virtio specification says that the maximum
queue size for packed virt queues is 2^15, so the indices cannot exceed
2^15 - 1 anyway, making 0x7fff the correct mask. Second, the mask
clearly is wrong from context, too, given that (A) `idx & 0x70000` must
be 0 at this point (`idx` is 32 bit and was shifted to the right by 16
already), (B) `idx & 0x8000` is the used_wrap_counter, so should not be
part of the used index, and (C) `vq->used_idx` is a `uint16_t`, so
cannot fit the 0x70000 part of the mask anyway.
This most likely never produced any guest-visible bugs, though, because
for a vhost device, qemu will probably not evaluate the used index
outside of virtio_queue_packed_get_last_avail_idx(), where we
reconstruct the 32-bit value from avail and used indices and their wrap
counters again. There, it does not matter whether the highest bit of
the used_idx is the used index wrap counter, because we put the wrap
counter exactly in that position anyway.
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-Id: <20230721134945.26967-1-hreitz@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: German Maglione <gmaglione@redhat.com>
Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Message-Id: <20230721072820.75797-1-david.edmondson@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
ACPI spec (since 2.0a) says
"
A device object must contain either an _HID object or
an _ADR object, but can contain both.
"
_ADR is used when device is attached to an ennumerable bus,
however hostbridge is not and uses dedicated _HID for
discovery, drop _ADR field.
It doesn't seem that having _ADR has a negative effects
OSes manage to tolerate that, but there is no point of
having it there. (only pc/q35 has it hostbridge description,
while others (microvm/arm) don't)
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230720133858.1974024-6-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
it seems that Windows is unable to handle variable references
making it choke up when accessing ASUN during _DSM call
when device is hotplugged (it lists package elements as DataAlias
but despite that later on it misbehaves) with following error
shown up in AMLI debugger (WS2012r2):
Store(ShiftLeft(One,Arg1="ASUN",) AMLI_ERROR(c0140008): Unexpected argument type
ValidateArgTypes: expected Arg1 to be type Integer (Type=String)
Similar outcome with WS2022.
Issue is not fatal but as result acpi-index/"PCI Label ID" property
is either not shown in device details page or shows incorrect value.
Fix it by doing assignment of BSEL/ASUN values to package
elements manually after package declaration.
Fix was tested with: WS2012r2, WS2022, RHEL9
Fixes: 467d099a29 (x86: acpi: _DSM: use Package to pass parameters)
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230720133858.1974024-3-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The QEMU CI fails in virtio-scmi test occasionally. As reported by
Thomas Huth, this happens most likely when the system is loaded and it
fails with the following error:
qemu-system-aarch64: ../../devel/qemu/hw/pci/msix.c:659:
msix_unset_vector_notifiers: Assertion `dev->msix_vector_use_notifier && dev->msix_vector_release_notifier' failed.
../../devel/qemu/tests/qtest/libqtest.c:200: kill_qemu() detected QEMU death from signal 6 (Aborted) (core dumped)
As discovered by Fabiano Rosas, the cause is a duplicate invocation of
msix_unset_vector_notifiers via duplicate vu_scmi_stop calls:
msix_unset_vector_notifiers
virtio_pci_set_guest_notifiers
vu_scmi_stop
vu_scmi_disconnect
...
qemu_chr_write_buffer
msix_unset_vector_notifiers
virtio_pci_set_guest_notifiers
vu_scmi_stop
vu_scmi_set_status
...
qemu_cleanup
While vu_scmi_stop calls are protected by vhost_dev_is_started()
check, it's apparently not enough. vhost-user-blk and vhost-user-gpio
use an extra protection, see f5b22d06fb (vhost: recheck dev state in
the vhost_migration_log routine) for the motivation. Let's use the
same in vhost-user-scmi, which fixes the failure above.
Fixes: a5dab090e1 ("hw/virtio: Add boilerplate for vhost-user-scmi device")
Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Message-Id: <20230720101037.2161450-1-mzamazal@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
At several locations we compute the granule from the config
page_size_mask using ctz() and then format it in traces using
BIT(). As the page_size_mask is 64b we should use ctz64 and
BIT_ULL() for formatting. We failed to be consistent.
Note the page_size_mask is garanteed to be non null. The spec
mandates the device to set at least one bit, so ctz64 cannot
return 64. This is garanteed by the fact the device
initializes the page_size_mask to qemu_target_page_mask()
and then the page_size_mask is further constrained by
virtio_iommu_set_page_size_mask() callback which can't
result in a new mask being null. So if Coverity complains
round those ctz64/BIT_ULL with CID 1517772 this is a false
positive
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Fixes: 94df5b2180 ("virtio-iommu: Fix 64kB host page size VFIO device assignment")
Message-Id: <20230718182136.40096-1-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
In build_cdat_table() we do:
*cdat_table = g_malloc0(sizeof(*cdat_table) * CXL_USP_CDAT_NUM_ENTRIES);
This is wrong because:
- cdat_table has type CDATSubHeader ***
- so *cdat_table has type CDATSubHeader **
- so the array we're allocating here should be items of type CDATSubHeader *
- but we pass sizeof(*cdat_table), which is sizeof(CDATSubHeader **),
implying that we're allocating an array of CDATSubHeader **
It happens that sizeof(CDATSubHeader **) == sizeof(CDATSubHeader *)
so nothing blows up, but this should be sizeof(**cdat_table).
Avoid this excessively hard-to-understand code by using
g_new0() instead, which will do the type checking for us.
While we're here, we can drop the useless check against failure,
as g_malloc0() and g_new0() never fail.
This fixes Coverity issue CID 1508120.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230718101327.1111374-1-peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In the virtio_iommu_handle_command() when a PROBE request is handled,
output_size takes a value greater than the tail size and on a subsequent
iteration we can get a stack out-of-band access. Initialize the
output_size on each iteration.
The issue was found with ASAN. Credits to:
Yiming Tao(Zhejiang University)
Gaoning Pan(Zhejiang University)
Fixes: 1733eebb9e ("virtio-iommu: Implement RESV_MEM probe request")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reported-by: Mauro Matteo Cascella <mcascell@redhat.com>
Cc: qemu-stable@nongnu.org
Message-Id: <20230717162126.11693-1-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230730180329.851576-1-sw@weilnetz.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Fuzzing showed that a guest could bind an interdomain port to itself, by
guessing the next port to be allocated and putting that as the 'remote'
port number. By chance, that works because the newly-allocated port has
type EVTCHNSTAT_unbound. It shouldn't.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20230801175747.145906-4-dwmw2@infradead.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Coverity points out (CID 1508128) a bounds checking error. We need to check
for gsi >= IOAPIC_NUM_PINS, not just greater-than.
Also fix up an assert() that has the same problem, that Coverity didn't see.
Fixes: 4f81baa33e ("hw/xen: Support GSI mapping to PIRQ")
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230801175747.145906-2-dwmw2@infradead.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The IDE unplug function needs to reset the entire PCI device, to make
sure all state is initialized to defaults. This is done by calling
pci_device_reset, which resets not only the chip specific registers, but
also all PCI state. This fixes "unplug" in a Xen HVM domU with the
modular legacy xenlinux PV drivers.
Commit ee358e919e ("hw/ide/piix: Convert reset handler to
DeviceReset") changed the way how the the disks are unplugged. Prior
this commit the PCI device remained unchanged. After this change,
piix_ide_reset is exercised after the "unplug" command, which was not
the case prior that commit. This function resets the command register.
As a result the ata_piix driver inside the domU will see a disabled PCI
device. The generic PCI code will reenable the PCI device. On the qemu
side, this runs pci_default_write_config/pci_update_mappings. Here a
changed address is returned by pci_bar_address, this is the address
which was truncated in piix_ide_reset. In case of a Xen HVM domU, the
address changes from 0xc120 to 0xc100. This truncation was a bug in
piix_ide_reset, which was fixed in commit 230dfd9257 ("hw/ide/piix:
properly initialize the BMIBA register"). If pci_xen_ide_unplug had used
pci_device_reset, the PCI registers would have been properly reset, and
commit ee358e919e would have not introduced a regression for this
specific domU environment.
While the unplug is supposed to hide the IDE disks, the changed BMIBA
address broke the UHCI device. In case the domU has an USB tablet
configured, to recive absolute pointer coordinates for the GUI, it will
cause a hang during device discovery of the partly discovered USB hid
device. Reading the USBSTS word size register will fail. The access ends
up in the QEMU piix-bmdma device, instead of the expected uhci device.
Here a byte size request is expected, and a value of ~0 is returned. As
a result the UCHI driver sees an error state in the register, and turns
off the UHCI controller.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20230720072950.20198-1-olaf@aepfle.de>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Coverity points out (CID 1513106, 1513107) that MemoryListener is a
192 byte struct which we are passing around by value. Switch to
passing a const pointer into xen_register_ioreq() and then to
xen_do_ioreq_register(). We can also make the file-scope
MemoryListener variables const, since nothing changes them.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230718101057.1110979-1-peter.maydell@linaro.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Commit 1898293990 ("xen-block: Use specific blockdev driver")
introduced a new error path, without taking care of allocated
resources.
So only allocate the qdicts after the error check, and free both
`filename` and `driver` when we are about to return and thus taking
care of both success and error path.
Coverity only spotted the leak of qdicts (*_layer variables).
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: Coverity CID 1508722, 1398649
Fixes: 1898293990 ("xen-block: Use specific blockdev driver")
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230704171819.42564-1-anthony.perard@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Coverity was unhappy (CID 1508359) because we didn't check the return of
init_walk_op() in transaction_commit(), despite doing so at every other
call site.
Strictly speaking, this is a false positive since it can never fail. It
only fails for invalid user input (transaction ID or path), and both of
those are hard-coded to known sane values in this invocation.
But Coverity doesn't know that, and neither does the casual reader of the
code.
Returning an error here would be weird, since the transaction *is*
committed by this point; all the walk_op is doing is firing watches on
the newly-committed changed nodes. So make it a g_assert(!ret), since
it really should never happen.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20076888f6bdf06a65aafc5cf954260965d45b97.camel@infradead.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Use the stl/ldl pci dma api for writing/reading doorbells. This removes
the explicit endian conversions.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Apache license is considered by some to be not compatible
with GPLv2+. Since QEMU as combined work is GPLv2-only,
these two files should be made compatible.
Reported-by: "Daniel P. Berrangé" <berrange@redhat.com>
Link: https://lore.kernel.org/qemu-devel/ZEpKXncC%2Fe6FKRe9@redhat.com/
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-By: canokeys.org (http://canokeys.org) <contact@canokeys.org>
Acked-by: YuanYang Meng <mkfssion@mkfssion.com>
Signed-off-by: Hongren (Zenithal) Zheng <i@zenithal.me>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
hw/sd/sdhci: Default I/O ops to little endian
hw/mips/loongson3-virt: Only use default USB if available
hw/char/escc: Implement loopback mode to allow self-testing
target/mips: Avoid overruns and shifts by negative number
target/sparc: Handle FPRS correctly on big-endian hosts
target/tricore: Rename tricore_feature to avoid clash with libcapstone
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Merge tag 'misc-fixes-20230725' of https://github.com/philmd/qemu into staging
Misc patches queue
hw/sd/sdhci: Default I/O ops to little endian
hw/mips/loongson3-virt: Only use default USB if available
hw/char/escc: Implement loopback mode to allow self-testing
target/mips: Avoid overruns and shifts by negative number
target/sparc: Handle FPRS correctly on big-endian hosts
target/tricore: Rename tricore_feature to avoid clash with libcapstone
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# gpg: Signature made Tue 25 Jul 2023 15:55:07 BST
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'misc-fixes-20230725' of https://github.com/philmd/qemu:
target/tricore: Rename tricore_feature
target/sparc: Handle FPRS correctly on big-endian hosts
target/mips: Avoid shift by negative number in page_table_walk_refill()
target/mips: Pass directory/leaf shift values to walk_directory()
target/mips/mxu: Avoid overrun in gen_mxu_q8adde()
target/mips/mxu: Avoid overrun in gen_mxu_S32SLT()
target/mips/mxu: Replace magic array size by its definition
hw/char/escc: Implement loopback mode
hw/mips: Improve the default USB settings in the loongson3-virt machine
hw/sd/sdhci: Do not force sdhci_mmio_*_ops onto all SD controllers
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
