Tweak the semantic patch to drop redundant parenthesis around the
return expression.
Coccinelle drops a comment in hw/rdma/vmw/pvrdma_cmd.c; restored
manually.
Coccinelle messes up vmdk_co_create(), not sure why. Change dropped,
will be done manually in the next commit.
Line breaks in target/avr/cpu.h and hw/rdma/vmw/pvrdma_cmd.c tidied up
manually.
Whitespace in tools/virtiofsd/fuse_lowlevel.c tidied up manually.
checkpatch.pl complains "return of an errno should typically be -ve"
two times for hw/9pfs/9p-synth.c. Preexisting, the patch merely makes
it visible to checkpatch.pl.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221122134917.1217307-2-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This reverts commit 14dccc8ea6.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221205113007.683505-1-gaosong@loongson.cn>
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Merge tag 'pull-loongarch-20221202' of https://gitlab.com/gaosong/qemu into staging
pull for 7.2-rc4
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# gpg: Signature made Fri 02 Dec 2022 05:12:18 EST
# gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
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* tag 'pull-loongarch-20221202' of https://gitlab.com/gaosong/qemu:
hw/loongarch/virt: Add cfi01 pflash device
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Fixes regression with migration and vsock, as fixing that
exposes some known issues in vhost user cleanup, this attempts
to fix those as well. More work on vhost user is needed :)
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: regression fix
Fixes regression with migration and vsock, as fixing that
exposes some known issues in vhost user cleanup, this attempts
to fix those as well. More work on vhost user is needed :)
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Thu 01 Dec 2022 02:37:05 EST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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:
include/hw: VM state takes precedence in virtio_device_should_start
hw/virtio: generalise CHR_EVENT_CLOSED handling
hw/virtio: add started_vu status field to vhost-user-gpio
vhost: enable vrings in vhost_dev_start() for vhost-user devices
tests/qtests: override "force-legacy" for gpio virtio-mmio tests
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The VM status should always preempt the device status for these
checks. This ensures the device is in the correct state when we
suspend the VM prior to migrations. This restores the checks to the
order they where in before the refactoring moved things around.
While we are at it lets improve our documentation of the various
fields involved and document the two functions.
Fixes: 9f6bcfd99f (hw/virtio: move vm_running check to virtio_device_started)
Fixes: 259d69c00b (hw/virtio: introduce virtio_device_should_start)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20221130112439.2527228-6-alex.bennee@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
..and use for both virtio-user-blk and virtio-user-gpio. This avoids
the circular close by deferring shutdown due to disconnection until a
later point. virtio-user-blk already had this mechanism in place so
generalise it as a vhost-user helper function and use for both blk and
gpio devices.
While we are at it we also fix up vhost-user-gpio to re-establish the
event handler after close down so we can reconnect later.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20221130112439.2527228-5-alex.bennee@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
As per the fix to vhost-user-blk in f5b22d06fb (vhost: recheck dev
state in the vhost_migration_log routine) we really should track the
connection and starting separately.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20221130112439.2527228-4-alex.bennee@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Commit 02b61f38d3 ("hw/virtio: incorporate backend features in features")
properly negotiates VHOST_USER_F_PROTOCOL_FEATURES with the vhost-user
backend, but we forgot to enable vrings as specified in
docs/interop/vhost-user.rst:
If ``VHOST_USER_F_PROTOCOL_FEATURES`` has not been negotiated, the
ring starts directly in the enabled state.
If ``VHOST_USER_F_PROTOCOL_FEATURES`` has been negotiated, the ring is
initialized in a disabled state and is enabled by
``VHOST_USER_SET_VRING_ENABLE`` with parameter 1.
Some vhost-user front-ends already did this by calling
vhost_ops.vhost_set_vring_enable() directly:
- backends/cryptodev-vhost.c
- hw/net/virtio-net.c
- hw/virtio/vhost-user-gpio.c
But most didn't do that, so we would leave the vrings disabled and some
backends would not work. We observed this issue with the rust version of
virtiofsd [1], which uses the event loop [2] provided by the
vhost-user-backend crate where requests are not processed if vring is
not enabled.
Let's fix this issue by enabling the vrings in vhost_dev_start() for
vhost-user front-ends that don't already do this directly. Same thing
also in vhost_dev_stop() where we disable vrings.
[1] https://gitlab.com/virtio-fs/virtiofsd
[2] https://github.com/rust-vmm/vhost/blob/240fc2966/crates/vhost-user-backend/src/event_loop.rs#L217
Fixes: 02b61f38d3 ("hw/virtio: incorporate backend features in features")
Reported-by: German Maglione <gmaglione@redhat.com>
Tested-by: German Maglione <gmaglione@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20221123131630.52020-1-sgarzare@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20221130112439.2527228-3-alex.bennee@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Trying to run U-Boot for Cubieboard (Allwinner A10) fails because it cannot
access SD card. The problem is that FIFO register in current
allwinner-sdhost implementation is at the address corresponding to
Allwinner H3, but not A10.
Linux kernel is not affected since Linux driver uses DMA access and does
not use FIFO register for reading/writing.
This patch adds new class parameter `is_sun4i` and based on that
parameter uses register at offset 0x100 either as FIFO register (if
sun4i) or as threshold register (if not sun4i; in this case register at
0x200 is FIFO register).
Tested with U-Boot and Linux kernel image built for Cubieboard and
OrangePi PC.
Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20221112214900.24152-1-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Run shell script:
cat << EOF | valgrind qemu-system-i386 -display none -machine accel=qtest, -m \
512M -M q35 -nodefaults -device virtio-net,netdev=net0 -netdev \
user,id=net0 -qtest stdio
outl 0xcf8 0x80000810
outl 0xcfc 0xc000
outl 0xcf8 0x80000804
outl 0xcfc 0x01
outl 0xc00d 0x0200
outl 0xcf8 0x80000890
outb 0xcfc 0x4
outl 0xcf8 0x80000889
outl 0xcfc 0x1c000000
outl 0xcf8 0x80000893
outw 0xcfc 0x100
EOF
Got:
==68666== Invalid read of size 8
==68666== at 0x688536: virtio_net_queue_enable (virtio-net.c:575)
==68666== by 0x6E31AE: memory_region_write_accessor (memory.c:492)
==68666== by 0x6E098D: access_with_adjusted_size (memory.c:554)
==68666== by 0x6E4DB3: memory_region_dispatch_write (memory.c:1521)
==68666== by 0x6E31AE: memory_region_write_accessor (memory.c:492)
==68666== by 0x6E098D: access_with_adjusted_size (memory.c:554)
==68666== by 0x6E4DB3: memory_region_dispatch_write (memory.c:1521)
==68666== by 0x6EBCD3: flatview_write_continue (physmem.c:2820)
==68666== by 0x6EBFBF: flatview_write (physmem.c:2862)
==68666== by 0x6EF5E7: address_space_write (physmem.c:2958)
==68666== by 0x6DFDEC: cpu_outw (ioport.c:70)
==68666== by 0x6F6DF0: qtest_process_command (qtest.c:480)
==68666== Address 0x29087fe8 is 24 bytes after a block of size 416 in arena "client"
That is reported by Alexander Bulekov. https://gitlab.com/qemu-project/qemu/-/issues/1309
Here, the queue_index is the index of the cvq, but in some cases cvq
does not have the corresponding NetClientState, so overflow appears.
I add a check here, ignore illegal queue_index and cvq queue_index.
Note the queue_index is below the VIRTIO_QUEUE_MAX but greater or equal
than cvq index could hit this. Other devices are similar.
Fixes: 7f863302 ("virtio-net: support queue_enable")
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1309
Reported-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Message-Id: <20221110095739.130393-1-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The TABs should be replaced with spaces, to make sure that we have a
consistent coding style with an indentation of 4 spaces everywhere.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/370
Signed-off-by: Amarjargal Gundjalam <amarjargal16@gmail.com>
Message-Id: <6c993f57800f8fef7a910074620f6e80e077a3d1.1666707782.git.amarjargal16@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This reverts commit 59d1ce4439.
The "zpcii-disable" machine property is redundant with the "interpret"
zPCI device property. Remove it for clarification.
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20221107161349.1032730-2-clg@kaod.org>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
lots of acpi rework
first version of biosbits infrastructure
ASID support in vhost-vdpa
core_count2 support in smbios
PCIe DOE emulation
virtio vq reset
HMAT support
part of infrastructure for viommu support in vhost-vdpa
VTD PASID support
fixes, tests all over the place
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,pc,virtio: features, tests, fixes, cleanups
lots of acpi rework
first version of biosbits infrastructure
ASID support in vhost-vdpa
core_count2 support in smbios
PCIe DOE emulation
virtio vq reset
HMAT support
part of infrastructure for viommu support in vhost-vdpa
VTD PASID support
fixes, tests all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Mon 07 Nov 2022 14:27:53 EST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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: (83 commits)
checkpatch: better pattern for inline comments
hw/virtio: introduce virtio_device_should_start
tests/acpi: update tables for new core count test
bios-tables-test: add test for number of cores > 255
tests/acpi: allow changes for core_count2 test
bios-tables-test: teach test to use smbios 3.0 tables
hw/smbios: add core_count2 to smbios table type 4
vhost-user: Support vhost_dev_start
vhost: Change the sequence of device start
intel-iommu: PASID support
intel-iommu: convert VTD_PE_GET_FPD_ERR() to be a function
intel-iommu: drop VTDBus
intel-iommu: don't warn guest errors when getting rid2pasid entry
vfio: move implement of vfio_get_xlat_addr() to memory.c
tests: virt: Update expected *.acpihmatvirt tables
tests: acpi: aarch64/virt: add a test for hmat nodes with no initiators
hw/arm/virt: Enable HMAT on arm virt machine
tests: Add HMAT AArch64/virt empty table files
tests: acpi: q35: update expected blobs *.hmat-noinitiators expected HMAT:
tests: acpi: q35: add test for hmat nodes without initiators
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The previous fix to virtio_device_started revealed a problem in its
use by both the core and the device code. The core code should be able
to handle the device "starting" while the VM isn't running to handle
the restoration of migration state. To solve this duel use introduce a
new helper for use by the vhost-user backends who all use it to feed a
should_start variable.
We can also pick up a change vhost_user_blk_set_status while we are at
it which follows the same pattern.
Fixes: 9f6bcfd99f (hw/virtio: move vm_running check to virtio_device_started)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Message-Id: <20221107121407.1010913-1-alex.bennee@linaro.org>
In order to use the increased number of cpus, we need to bring smbios
tables in line with the SMBIOS 3.0 specification. This allows us to
introduce core_count2 which acts as a duplicate of core_count if we have
fewer cores than 256, and contains the actual core number per socket if
we have more.
core_enabled2 and thread_count2 fields work the same way.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20220731162141.178443-2-jusual@redhat.com>
Message-Id: <20221011111731.101412-2-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch introduce ECAP_PASID via "x-pasid-mode". Based on the
existing support for scalable mode, we need to implement the following
missing parts:
1) tag VTDAddressSpace with PASID and support IOMMU/DMA translation
with PASID
2) tag IOTLB with PASID
3) PASID cache and its flush
4) PASID based IOTLB invalidation
For simplicity PASID cache is not implemented so we can simply
implement the PASID cache flush as a no and leave it to be implemented
in the future. For PASID based IOTLB invalidation, since we haven't
had L1 stage support, the PASID based IOTLB invalidation is not
implemented yet. For PASID based device IOTLB invalidation, it
requires the support for vhost so we forbid enabling device IOTLB when
PASID is enabled now. Those work could be done in the future.
Note that though PASID based IOMMU translation is ready but no device
can issue PASID DMA right now. In this case, PCI_NO_PASID is used as
PASID to identify the address without PASID. vtd_find_add_as() has
been extended to provision address space with PASID which could be
utilized by the future extension of PCI core to allow device model to
use PASID based DMA translation.
This feature would be useful for:
1) prototyping PASID support for devices like virtio
2) future vPASID work
3) future PRS and vSVA work
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221028061436.30093-5-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We introduce VTDBus structure as an intermediate step for searching
the address space. This works well with SID based matching/lookup. But
when we want to support SID plus PASID based address space lookup,
this intermediate steps turns out to be a burden. So the patch simply
drops the VTDBus structure and use the PCIBus and devfn as the key for
the g_hash_table(). This simplifies the codes and the future PASID
extension.
To prevent being slower for past vtd_find_as_from_bus_num() callers, a
vtd_as cache indexed by the bus number is introduced to store the last
recent search result of a vtd_as belongs to a specific bus.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221028061436.30093-3-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
There were several different ways to deal with the situation where the
vector specified for a msix function is out of bound:
- early return a function and keep progresssing
- propagate the error to the caller
- mark msix unusable
- assert it is in bound
- just ignore
An out-of-bound vector should not be specified if the device
implementation is correct so let msix functions always assert that the
specified vector is in range.
An exceptional case is virtio-pci, which allows the guest to configure
vectors. For virtio-pci, it is more appropriate to introduce its own
checks because it is sometimes too late to check the vector range in
msix functions.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20220829083524.143640-1-akihiko.odaki@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Yuval Shaia <yuval.shaia.ml@gmail.com>
Signed-off-by: Akihiko Odaki <<a href="mailto:akihiko.odaki@daynix.com" target="_blank">akihiko.odaki@daynix.com</a>><br>
It will be used in followup commits to figure out if
device has it's own, device specific AML block.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20221017102146.2254096-7-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Expose vhost_virtqueue_stop(), we need to use it when resetting a
virtqueue.
Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-9-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Expose vhost_virtqueue_start(), we need to use it when restarting a
virtqueue.
Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-8-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
PCI devices support vq reset.
Based on this function, the driver can adjust the size of the ring, and
quickly recycle the buffer in the ring.
The migration of the virtio devices will not happen during a reset
operation. This is becuase the global iothread lock is held. Migration
thread also needs the lock. As a result, when migration of virtio
devices starts, the 'reset' status of VirtIOPCIQueue will always be 0.
Thus, we do not need to add it in vmstate_virtio_pci_modern_queue_state.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-6-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A a new command line parameter "queue_reset" is added.
Meanwhile, the vq reset feature is disabled for pre-7.2 machines.
Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-5-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Introduce the interface queue_enable() in VirtioDeviceClass and the
fucntion virtio_queue_enable() in virtio, it can be called when
VIRTIO_PCI_COMMON_Q_ENABLE is written and related virtqueue can be
started. It only supports the devices of virtio 1 or later. The
not-supported devices can only start the virtqueue when DRIVER_OK.
Signed-off-by: Kangjie Xu <kangjie.xu@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-4-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Introduce a new interface function virtio_queue_reset() to implement
reset for vq.
Add a new callback to VirtioDeviceClass for queue reset operation for
each child device.
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20221017092558.111082-3-xuanzhuo@linux.alibaba.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This Data Object Exchange Mailbox allows software to query the
latency and bandwidth between ports on the switch. For now
only provide information on routes between the upstream port and
each downstream port (not p2p).
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
--
Changes since v8: Mostly to match the type 3 equivalent
- Move enum out of function and give it a more descriptive namespace.
Message-Id: <20221014151045.24781-6-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The Data Object Exchange implementation of CXL Coherent Device Attribute
Table (CDAT). This implementation is referring to "Coherent Device
Attribute Table Specification, Rev. 1.03, July. 2022" and "Compute
Express Link Specification, Rev. 3.0, July. 2022"
This patch adds core support that will be shared by both
end-points and switch port emulation.
Signed-off-by: Huai-Cheng Kuo <hchkuo@avery-design.com.tw>
Signed-off-by: Chris Browy <cbrowy@avery-design.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20221014151045.24781-4-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Emulation of PCIe Data Object Exchange (DOE)
PCIE Base Specification r6.0 6.3 Data Object Exchange
Supports multiple DOE PCIe Extended Capabilities for a single PCIe
device. For each capability, a static array of DOEProtocol should be passed
to pcie_doe_init(). The protocols in that array will be registered under
the DOE capability structure. For each protocol, vendor ID, type, and
corresponding callback function (handle_request()) should be implemented.
This callback function represents how the DOE request for corresponding
protocol will be handled.
pcie_doe_{read/write}_config() must be appended to corresponding PCI
device's config_read/write() handler to enable DOE access. In
pcie_doe_read_config(), false will be returned if pci_config_read()
offset is not within DOE capability range. In pcie_doe_write_config(),
the function will have no affect if the address is not within the related
DOE PCIE extended capability.
Signed-off-by: Huai-Cheng Kuo <hchkuo@avery-design.com.tw>
Signed-off-by: Chris Browy <cbrowy@avery-design.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20221014151045.24781-2-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The S390 CPU topology accepts the smp.threads argument while
in reality it does not effectively allow multthreading.
Let's keep this behavior for machines older than 7.2 and
refuse to use threads in newer machines until multithreading
is really exposed to the guest by the machine.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Message-Id: <20221103170150.20789-3-pmorel@linux.ibm.com>
[thuth: Small fixes to the commit description]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Add new items into LoongArch FDT, including rtc and uart info.
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20221028014007.2718352-3-yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Load FDT table into dram memory space, and the addr is 2 MiB.
Since lowmem region starts from 0, FDT base address is located
at 2 MiB to avoid NULL pointer access.
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Acked-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20221028014007.2718352-2-yangxiaojuan@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
The NVRAM_SIZE constant was defined but not used. Rename it to
MACIO_NVRAM_SIZE to match the device model and use it where appropriate.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <5b53c70438dfb46837af8a094e753706b06c4ec6.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
All that is left in mac.h now belongs to the nvram emulation so rename
it accordingly and only include it where it is really used.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <b82449369f718c0e207fe8c332fab550fa0230c0.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Move the parts specific to and only used by macio out from the shared
mac.h into macio.c where they better belong.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <ac570ce9dcbae169310503689053807b8b4b86bc.1666957578.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
- Convert nanoMIPS disassembler from C++ to C (Milica Lazarevic)
- Consolidate VT82xx/PIIX south bridges (Bernhard Beschow)
- Remove unused MAX_IDE_BUS definition (Zoltan Balaton)
- Fix branch displacement for BEQZC/BNEZC (David Daney)
- Don't set link_up for Boston's xilinx-pcie (Jiaxun Yang)
- Use bootloader API to set BAR registers in Malta (Jiaxun Yang)
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Merge tag 'mips-20221030' of https://github.com/philmd/qemu into staging
MIPS patches queue
- Convert nanoMIPS disassembler from C++ to C (Milica Lazarevic)
- Consolidate VT82xx/PIIX south bridges (Bernhard Beschow)
- Remove unused MAX_IDE_BUS definition (Zoltan Balaton)
- Fix branch displacement for BEQZC/BNEZC (David Daney)
- Don't set link_up for Boston's xilinx-pcie (Jiaxun Yang)
- Use bootloader API to set BAR registers in Malta (Jiaxun Yang)
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# gpg: Signature made Mon 31 Oct 2022 06:35:27 EDT
# 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 'mips-20221030' of https://github.com/philmd/qemu: (55 commits)
hw/mips/malta: Use bootloader helper to set BAR registers
hw/mips: Use bl_gen_kernel_jump to generate bootloaders
hw/mips/bootloader: Allow bl_gen_jump_kernel to optionally set register
hw/mips/boston: Don't set link_up for xilinx-pcie
hw/isa/piix4: Move pci_ide_create_devs() call to board code
hw/isa/piix4: Add missing initialization
hw/isa/Kconfig: Fix dependencies of piix4 southbridge
hw/mips/malta: Reuse dev variable
hw/isa/piix3: Remove unused include
hw/ide/piix: Introduce TYPE_ macros for PIIX IDE controllers
hw/isa/piix4: Rename wrongly named method
hw/isa/piix3: Prefer pci_address_space() over get_system_memory()
hw/isa/piix3: Modernize reset handling
hw/isa/piix3: Add size constraints to rcr_ops
hw/isa/piix3: Remove extra ';' outside of functions
hw/i386/pc: Create DMA controllers in south bridges
disas/mips: Fix branch displacement for BEQZC and BNEZC
disas/nanomips: Rename nanomips.cpp to nanomips.c
disas/nanomips: Remove argument passing by ref
disas/nanomips: Replace Cpp enums for C enums
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
When one of the $sp/$a[0..3] register is already set, we might
want bl_gen_jump_kernel() to NOT set it again. Pass a boolean
argument for each register, to allow to optionally set them.
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221026191821.28167-2-philmd@linaro.org>
Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221022150508.26830-9-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The PM controller has activity bits which monitor activity of other
built-in devices in the host device.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220901114127.53914-10-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Establishes consistency with other (VIA) devices.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220901114127.53914-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This queue has the second part of the ppc4xx_sdram cleanups, doorbell
instructions for POWER8, new pflash handling for the e500 machine and a
Radix MMU regression fix.
It also has a lot of performance optimizations in the PowerPC emulation
done by the researchers of the Eldorado institute. Between using gvec
for VMX/VSX instructions, a full rework of the interrupt model and PMU
optimizations, they managed to drastically speed up the emulation of
powernv8/9/10 machines. Here's an example with avocado tests:
- with master:
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (38.89 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (43.89 s)
- with this queue applied:
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (21.23 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (22.58 s)
Other ppc machines, like pseries, also had a noticeable performance
boost.
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Merge tag 'pull-ppc-20221029' of https://gitlab.com/danielhb/qemu into staging
ppc patch queue for 2022-10-29:
This queue has the second part of the ppc4xx_sdram cleanups, doorbell
instructions for POWER8, new pflash handling for the e500 machine and a
Radix MMU regression fix.
It also has a lot of performance optimizations in the PowerPC emulation
done by the researchers of the Eldorado institute. Between using gvec
for VMX/VSX instructions, a full rework of the interrupt model and PMU
optimizations, they managed to drastically speed up the emulation of
powernv8/9/10 machines. Here's an example with avocado tests:
- with master:
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (38.89 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (43.89 s)
- with this queue applied:
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8:
PASS (21.23 s)
tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9:
PASS (22.58 s)
Other ppc machines, like pseries, also had a noticeable performance
boost.
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# gpg: Signature made Sat 29 Oct 2022 07:09:50 EDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164
* tag 'pull-ppc-20221029' of https://gitlab.com/danielhb/qemu: (63 commits)
target/ppc: Fix regression in Radix MMU
hw/ppc/e500: Implement pflash handling
hw/sd/sdhci: Rename ESDHC_* defines to USDHC_*
hw/sd/sdhci-internal: Unexport ESDHC defines
hw/block/pflash_cfi0{1, 2}: Error out if device length isn't a power of two
docs/system/ppc/ppce500: Use qemu-system-ppc64 across the board(s)
target/ppc: Increment PMC5 with inline insns
target/ppc: Add new PMC HFLAGS
ppc4xx_sdram: Add errp parameter to ppc4xx_sdram_banks()
ppc4xx_sdram: Convert DDR SDRAM controller to new bank handling
ppc4xx_sdram: Generalise bank setup
ppc4xx_sdram: Rename local state variable for brevity
ppc4xx_sdram: Use hwaddr for memory bank size
ppc4xx_sdram: Move ppc4xx_sdram_banks() to ppc4xx_sdram.c
ppc4xx_devs.c: Move DDR SDRAM controller model to ppc4xx_sdram.c
ppc440_uc.c: Move DDR2 SDRAM controller model to ppc4xx_sdram.c
target/ppc: move the p*_interrupt_powersave methods to excp_helper.c
target/ppc: unify cpu->has_work based on cs->interrupt_request
target/ppc: introduce ppc_maybe_interrupt
target/ppc: remove ppc_store_lpcr from CONFIG_USER_ONLY builds
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Some more small s390x fixes and maintainer updates
* Make sure to remove all temporary files from qtests
* OpenBSD VM test update to version 7.2
* Add sndio to FreeBSD tests
* More patches to enable the qtests on Windows
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Merge tag 'pull-request-2022-10-28' of https://gitlab.com/thuth/qemu into staging
* Fix and test the VISTR instruction on s390x
* Some more small s390x fixes and maintainer updates
* Make sure to remove all temporary files from qtests
* OpenBSD VM test update to version 7.2
* Add sndio to FreeBSD tests
* More patches to enable the qtests on Windows
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# gpg: Signature made Fri 28 Oct 2022 09:20:31 EDT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2022-10-28' of https://gitlab.com/thuth/qemu: (21 commits)
tests/qtest: libqtest: Correct the timeout unit of blocking receive calls for win32
tests/qtest: libqos: Do not build virtio-9p unconditionally
tests/qtest: migration-test: Make sure QEMU process "to" exited after migration is canceled
tests/qtest: libqtest: Introduce qtest_wait_qemu()
tests/qtest: Use EXIT_FAILURE instead of magic number
tests/qtest: device-plug-test: Reverse the usage of double/single quotes
tests/qtest: Support libqtest to build and run on Windows
tests/qtest: Use send/recv for socket communication
accel/qtest: Support qtest accelerator for Windows
tests: Add sndio to the FreeBSD CI containers / VM
tests/vm: update openbsd to release 7.2
tests/qtest/libqos/e1000e: Use e1000_regs.h
tests/qtest/cxl-test: Remove temporary directories after testing
tests/qtest/tpm: Clean up remainders of swtpm
MAINTAINERS: target/s390x/: add Ilya as reviewer
tests/tcg/s390x: Add a test for the vistr instruction
target/s390x: Fix emulation of the VISTR instruction
tests/tcg/s390x: Test compiler flags only once, not every time
s390x/tod-kvm: don't save/restore the TOD in PV guests
s390x: step down as general arch maintainer
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This function is only used by the ppc4xx memory controller models so
it can be made static.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <b1504a82157a586aa284e8ee3b427b9a07b24169.1666194485.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Currently signal SIGIPI [=SIGUSR1] is used to kick the dummy CPU
when qtest accelerator is used. However SIGUSR1 is unsupported on
Windows. To support Windows, we add a QemuSemaphore CPUState::sem
to kick the dummy CPU instead for Windows.
Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221028045736.679903-2-bin.meng@windriver.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Snapshot loading only expects to call deterministic handlers, not
non-deterministic ones. So introduce a way of registering handlers that
won't be called when reseting for snapshots.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-id: 20221025004327.568476-2-Jason@zx2c4.com
[PMM: updated json doc comment with Markus' text; fixed
checkpatch style nit]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Register guest RAM using BlockRAMRegistrar and set the
BDRV_REQ_REGISTERED_BUF flag so block drivers can optimize memory
accesses in I/O requests.
This is for vdpa-blk, vhost-user-blk, and other I/O interfaces that rely
on DMA mapping/unmapping.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20221013185908.1297568-14-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Markus Armbruster
Song Gao
Stefan Hajnoczi
Xiaojuan Yang
Alex Bennée
Stefano Garzarella
Strahinja Jankovic
Xuan Zhuo
Amarjargal Gundjalam
Cédric Le Goater
Julia Suvorova
Jason Wang
Akihiko Odaki
Igor Mammedov
Kangjie Xu
Jonathan Cameron
Huai-Cheng Kuo
Pierre Morel
BALATON Zoltan
Philippe Mathieu-Daudé
Bernhard Beschow
Xuzhou Cheng
Jason A. Donenfeld