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>
This change is cosmetic. A comment is added explaining why we need to check for
the availability of function 0 when we hotplug a device.
CC: mst@redhat.com
CC: mjt@tls.msk.ru
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
The firmware of the m68k next-cube machine uses the loopback mode
for self-testing the hardware and currently fails during this step.
By implementing the loopback mode, we can make the firmware pass
to the next step.
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230716153519.31722-1-huth@tuxfamily.org>
It's possible to compile QEMU without the USB devices (e.g. when using
"--without-default-devices" as option for the "configure" script).
To be still able to run the loongson3-virt machine in default mode with
such a QEMU binary, we have to check here for the availability of the
OHCI controller first before instantiating the USB devices.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230714104903.284845-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Since commit c0a55a0c9d "hw/sd/sdhci: Support big endian SD host controller
interfaces" sdhci_common_realize() forces all SD card controllers to use either
sdhci_mmio_le_ops or sdhci_mmio_be_ops, depending on the "endianness" property.
However, there are device models which use different MMIO ops: TYPE_IMX_USDHC
uses usdhc_mmio_ops and TYPE_S3C_SDHCI uses sdhci_s3c_mmio_ops.
Forcing sdhci_mmio_le_ops breaks SD card handling on the "sabrelite" board, for
example. Fix this by defaulting the io_ops to little endian and switch to big
endian in sdhci_common_realize() only if there is a matchig big endian variant
available.
Fixes: c0a55a0c9d ("hw/sd/sdhci: Support big endian SD host controller
interfaces")
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-Id: <20230709080950.92489-1-shentey@gmail.com>
The implementation of the SMMUv3 has multiple places where it reads a
data structure from the guest and directly operates on it without
doing a guest-to-host endianness conversion. Since all SMMU data
structures are little-endian, this means that the SMMU doesn't work
on a big-endian host. In particular, this causes the Avocado test
machine_aarch64_virt.py:Aarch64VirtMachine.test_alpine_virt_tcg_gic_max
to fail on an s390x host.
Add appropriate byte-swapping on reads and writes of guest in-memory
data structures so that the device works correctly on big-endian
hosts.
As part of this we constrain queue_read() to operate only on Cmd
structs and queue_write() on Evt structs, because in practice these
are the only data structures the two functions are used with, and we
need to know what the data structure is to be able to byte-swap its
parts correctly.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20230717132641.764660-1-peter.maydell@linaro.org
Cc: qemu-stable@nongnu.org
* Fix LMUL check to use VLEN
* Fix typo field in NUMA error_report
* check priv_ver before auto-enable zca/zcd/zcf
* Fix disas output of upper immediates
* tidy CPU firmware section
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Merge tag 'pull-riscv-to-apply-20230719-1' of https://github.com/alistair23/qemu into staging
Fourth RISC-V PR for 8.1
* Fix LMUL check to use VLEN
* Fix typo field in NUMA error_report
* check priv_ver before auto-enable zca/zcd/zcf
* Fix disas output of upper immediates
* tidy CPU firmware section
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# gpg: Signature made Wed 19 Jul 2023 05:44:51 BST
# 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-20230719-1' of https://github.com/alistair23/qemu:
target/riscv: Fix LMUL check to use VLEN
hw/riscv: Fix typo field in error_report
target/riscv/cpu.c: check priv_ver before auto-enable zca/zcd/zcf
riscv/disas: Fix disas output of upper immediates
docs/system/target-riscv.rst: tidy CPU firmware section
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In commit 2fda0726e5 ("hw/nvme: fix missing endian conversions for
doorbell buffers"), we fixed shadow doorbells for big-endian guests
running on little endian hosts. But I did not fix little-endian guests
on big-endian hosts. Fix this.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1765
Fixes: 3f7fe8de3d ("hw/nvme: Implement shadow doorbell buffer support")
Cc: qemu-stable@nongnu.org
Reported-by: Thomas Huth <thuth@redhat.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
"smp.cpus" means the number of online CPUs and "smp.max_cpus" means the
total number of CPUs.
riscv_numa_get_default_cpu_node_id() checks "smp.cpus" and the
"available CPUs" description in the next error message also indicates
online CPUs.
So report "smp.cpus" in error_report() instand of "smp.max_cpus".
Since "smp.cpus" is "unsigned int", use "%u".
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230718080712.503333-1-zhao1.liu@linux.intel.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
If QEMU is built with --without-default-devices, the s390-flic-kvm
device is missing and QEMU aborts when started with the KVM accelerator.
Make sure it's available by selecting S390_FLIC_KVM in Kconfig.
Consequently, this also fixes an abort in tests/qtest/migration-test.
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20230711151440.716822-1-clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Replace 'width' and 'height' in QemuDmaBuf with 'backing_widht'
and 'backing_height' as these commonly indicate the size of the
whole surface (e.g. guest's Xorg extended display). Then use
'width' and 'height' for sub region in there (e.g. guest's
scanouts).
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230713040444.32267-1-dongwon.kim@intel.com>
The primary guest scanout shows the booting screen right after reboot
but additional guest displays (i.e. max_ouptuts > 1) will keep displaying
the old frames until the guest virtio gpu driver gets initialized, which
could cause some confusion. A better way is to to replace the surface with
a place holder that tells the display is not active during the reset of
virtio-gpu device.
And to immediately update the surface with the place holder image after
the switch, displaychangelistener_gfx_switch needs to be called with
'update == TRUE' in dpy_gfx_replace_surface when the new surface is NULL.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20230627224451.11739-1-dongwon.kim@intel.com>
