When we build IORT table with SMMUv3 and bypass iommu feature enabled,
we can no longer setup one map from RC to SMMUv3 covering the whole RIDs.
We need to walk the PCI bus and check whether the root bus will bypass
iommu, setup RC -> SMMUv3 -> ITS map for RC which will not bypass iommu.
When a SMMUv3 node exist, we setup the idmap from SMMUv3 to ITS
covering the whole RIDs, and only modify the map from RC to SMMUv3.
We build RC -> SMMUv3 -> ITS map for root bus with bypass_iommu
disabled, and build idmap from RC to ITS directly for the rest of
the whole RID space.
For example we run qemu with command line:
qemu/build/aarch64-softmmu/qemu-system-aarch64 \
-kernel arch/arm64/boot/Image \
-enable-kvm \
-cpu host \
-m 8G \
-smp 8,sockets=2,cores=4,threads=1 \
-machine virt,kernel_irqchip=on,gic-version=3,iommu=smmuv3,default_bus_bypass_iommu=true \
-drive file=./QEMU_EFI-pflash.raw,if=pflash,format=raw,unit=0,readonly=on \
-device pxb-pcie,bus_nr=0x10,id=pci.10,bus=pcie.0,addr=0x3.0x1 \
-device pxb-pcie,bus_nr=0x20,id=pci.20,bus=pcie.0,addr=0x3.0x2,bypass_iommu=true \
-device pcie-root-port,port=0x20,chassis=1,id=pci.1,bus=pcie.0,addr=0x2 \
-device pcie-root-port,port=0x20,chassis=11,id=pci.11,bus=pci.10,addr=0x1 \
-device pcie-root-port,port=0x20,chassis=21,id=pci.21,bus=pci.20,addr=0x1 \
-device virtio-scsi-pci,id=scsi0,bus=pci.1,addr=0x1 \
-device virtio-scsi-pci,id=scsi1,bus=pci.11,addr=0x1 \
-device virtio-scsi-pci,id=scsi2,bus=pci.21,addr=0x1 \
-initrd /mnt/davinci/wxg/kill-linux/rootfs/mfs.cpio.gz \
-nographic \
-append "rdinit=init console=ttyAMA0 earlycon=pl011,0x9000000 nokaslr" \
And we get guest configuration:
-+-[0000:20]---01.0-[21]--
+-[0000:10]---01.0-[11]--
\-[0000:00]-+-00.0 Device 1b36:0008
+-01.0 Device 1af4:1000
\-02.0-[01]--
With bypass_iommu enabled, the attached devices will bypass iommu.
/sys/class/iommu/smmu3.0x0000000009050000/
|-- device -> ../../../arm-smmu-v3.0.auto
|-- devices
| `-- 0000:10:01.0 -> ../../../../../pci0000:10/0000:10:01.0
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Message-Id: <1625748919-52456-7-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This helps to get the min and max bus number of a PCI bus hierarchy.
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <1625748919-52456-6-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add a default_bus_bypass_iommu pc machine option to enable/disable
bypass_iommu for default root bus. The option is disabled by default
and can be enabled with:
$QEMU -machine q35,default_bus_bypass_iommu=true
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Message-Id: <1625748919-52456-5-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add a default_bus_bypass_iommu machine option to enable/disable
bypass_iommu for default root bus. The option is disabled by
default and can be enabled with:
$QEMU -machine virt,iommu=smmuv3,default_bus_bypass_iommu=true
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Message-Id: <1625748919-52456-4-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add a bypass_iommu property for pci_expander_bridge, the property
is used to indicate whether pxb root bus will bypass iommu. By
default the bypass_iommu is disabled, and it can be enabled with:
qemu -device pxb-pcie,bus_nr=0x10,addr=0x1,bypass_iommu=true
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <1625748919-52456-3-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add a new bypass_iommu property for PCI host and use it to check
whether devices attached to the PCI root bus will bypass iommu.
In pci_device_iommu_address_space(), check the property and
avoid getting iommu address space for devices bypass iommu.
Signed-off-by: Xingang Wang <wangxingang5@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <1625748919-52456-2-git-send-email-wangxingang5@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The parameters of intel-iommu device are non-trivial to understand. Add an
entry for it so that people can reference to it when using.
There're actually a few more options there, but I hide them explicitly because
they shouldn't be used by normal QEMU users.
Cc: Chao Yang <chayang@redhat.com>
Cc: Lei Yang <leiyang@redhat.com>
Cc: Jing Zhao <jinzhao@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20210707154114.197580-1-peterx@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This allows is to instantiate a vhost-user-i2c device as part of a PCI
bus. It is mostly boilerplate which looks pretty similar to the
vhost-user-fs-pci device.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Message-Id: <8a083eaa57d93feaab12acd1f94b225879212f20.1625806763.git.viresh.kumar@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This creates the QEMU side of the vhost-user-i2c device which connects
to the remote daemon. It is based of vhost-user-fs code.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Message-Id: <e80591b52fea4b51631818bb92a798a3daf90399.1625806763.git.viresh.kumar@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Q35 has three different types of PCI devices hot-plug: PCIe Native,
SHPC Native and ACPI hot-plug. This patch changes the default choice
for cold-plugged bridges from PCIe Native to ACPI Hot-plug with
ability to use SHPC and PCIe Native for hot-plugged bridges.
This is a list of the PCIe Native hot-plug issues that led to this
change:
* no racy behavior during boot (see 110c477c2e)
* no delay during deleting - after the actual power off software
must wait at least 1 second before indicating about it. This case
is quite important for users, it even has its own bug:
https://bugzilla.redhat.com/show_bug.cgi?id=1594168
* no timer-based behavior - in addition to the previous example,
the attention button has a 5-second waiting period, during which
the operation can be canceled with a second press. While this
looks fine for manual button control, automation will result in
the need to queue or drop events, and the software receiving
events in all sort of unspecified combinations of attention/power
indicator states, which is racy and uppredictable.
* fixes:
* https://bugzilla.redhat.com/show_bug.cgi?id=1752465
* https://bugzilla.redhat.com/show_bug.cgi?id=1690256
To return to PCIe Native hot-plug:
-global ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off
Known issue: older linux guests need the following flag
to allow hotplugged pci express devices to use io:
-device pcie-root-port,io-reserve=4096.
io is unusual for pci express so this seems minor.
We'll fix this by a follow up patch.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210713004205.775386-6-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
All DSDT Q35 tables will be modified because ACPI hot-plug is enabled
by default.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <20210713004205.775386-5-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Instead of changing the hot-plug type in _OSC register, do not
set the 'Hot-Plug Capable' flag. This way guest will choose ACPI
hot-plug if it is preferred and leave the option to use SHPC with
pcie-pci-bridge.
The ability to control hot-plug for each downstream port is retained,
while 'hotplug=off' on the port means all hot-plug types are disabled.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210713004205.775386-4-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add acpi_pcihp to ich9_pm as part of
'acpi-pci-hotplug-with-bridge-support' option. Set default to false.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210713004205.775386-3-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Implement notifications and gpe to support q35 ACPI PCI hot-plug.
Use 0xcc4 - 0xcd7 range for 'acpi-pci-hotplug' io ports.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <20210713004205.775386-2-jusual@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
- custom runner playbooks for configuring GitLab runners
- integrate Cirrus jobs into GitLab via cirrus-run
- clean-up docker package lists
- bump NetBSD to 9.2
- bump OpenBSD to 6.9
- make test-mmap more hexagon friendly
- fixup handling of hostaddr for plugins
- disallow some incompatible plugin configurations
- fix handling of -ldl for BSDs
- remove some old unused symbols from the plugin symbol map
- enable plugins by default for most TCG builds
- honour main build -Wall settings for plugins
- new execlog plugin
- new cache modelling plugin
- fix io_uring build regression
- disable modular TCG on Darwin
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-plugins-140721-5' into staging
Testing and plugin updates:
- custom runner playbooks for configuring GitLab runners
- integrate Cirrus jobs into GitLab via cirrus-run
- clean-up docker package lists
- bump NetBSD to 9.2
- bump OpenBSD to 6.9
- make test-mmap more hexagon friendly
- fixup handling of hostaddr for plugins
- disallow some incompatible plugin configurations
- fix handling of -ldl for BSDs
- remove some old unused symbols from the plugin symbol map
- enable plugins by default for most TCG builds
- honour main build -Wall settings for plugins
- new execlog plugin
- new cache modelling plugin
- fix io_uring build regression
- disable modular TCG on Darwin
# gpg: Signature made Wed 14 Jul 2021 15:56:27 BST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-testing-and-plugins-140721-5: (44 commits)
MAINTAINERS: Added myself as a reviewer for TCG Plugins
docs/devel: Added cache plugin to the plugins docs
plugins/cache: Added FIFO and LRU eviction policies
plugins/cache: Enable cache parameterization
plugins: Added a new cache modelling plugin
docs/devel: tcg-plugins: add execlog plugin description
contrib/plugins: add execlog to log instruction execution and memory access
contrib/plugins: enable -Wall for building plugins
tcg/plugins: enable by default for most TCG builds
configure: stop user enabling plugins on Windows for now
configure: add an explicit static and plugins check
configure: don't allow plugins to be enabled for a non-TCG build
tcg/plugins: remove some stale entries from the symbol list
meson.build: relax the libdl test to one for the function dlopen
meson.build: move TCG plugin summary output
plugins: fix-up handling of internal hostaddr for 32 bit
tests/tcg: make test-mmap a little less aggressive
tests/vm: update openbsd to release 6.9
tests/vm: update NetBSD to 9.2
tests/docker: expand opensuse-leap package list
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
New test case enum-dict-no-name.json crashes:
$ python3 scripts/qapi-gen.py tests/qapi-schema/enum-dict-no-name.json
Traceback (most recent call last):
[...]
File "/work/armbru/qemu/scripts/qapi/expr.py", line 458, in check_enum
member_name = member['name']
KeyError: 'name'
Root cause: we try to retrieve member 'name' before we check for
missing members. With that fixed, we get the expected error "'data'
member misses key 'name'".
Fixes: 0825f62c84
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210616072121.626431-1-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Coverity reports that we don't check the error result of fdt_pack(), so
let's save the result and assert that it is 0.
Fixes: Coverity CID 1458136
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 07325315b49d5555269f76094e4bc5296e0643b9.1626303527.git.alistair.francis@wdc.com
Currently the firmware dynamic info (fw_dyn) is put right after
the reset vector, which is not 8-byte aligned on RV64. OpenSBI
fw_dynamic uses ld to read contents from 'struct fw_dynamic_info',
which expects fw_dyn to be on the 8-byte boundary, otherwise the
misaligned load exception may happen. Fortunately this does not
cause any issue on QEMU, as QEMU does support misaligned load.
RV32 does not have any issue as it is 4-byte aligned already.
Change to make sure it is 8-byte aligned which works for both
RV32 and RV64.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210708143319.10441-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
At present the CLINT timebase frequency is set to 10MHz on sifive_u,
but on the real hardware the timebase frequency is 1Mhz.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210706102616.1922469-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This adds a new section in the documentation to demonstrate how to
use the new direct kernel boot feature for Microchip Icicle Kit,
other than the HSS bootflow, using an upstream U-Boot v2021.07 image
as an example.
It also updates the truth table to have a new '-dtb' column which is
required by direct kernel boot.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210706095045.1917913-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The specification mandates for certain bits to be hardwired in the
hypervisor delegation registers. This was not being enforced.
Signed-off-by: Jose Martins <josemartins90@gmail.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210522155902.374439-1-josemartins90@gmail.com
[ Changes by AF:
- Improve indentation
- Convert delegable_excps to a #define to avoid failures with GCC 8
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This adds detailed documentation for RISC-V `virt` machine,
including the following information:
- Supported devices
- Hardware configuration information
- Boot options
- Running Linux kernel
- Running U-Boot
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210627142816.19789-2-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
It's Core *Local* Interruptor, not 'Level'.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210627142816.19789-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The following check:
if (!env->debugger && !riscv_cpu_fp_enabled(env)) {
return -RISCV_EXCP_ILLEGAL_INST;
}
is redundant in fflags/frm/fcsr read/write routines, as the check was
already done in fs().
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210627120604.11116-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
%s/CSP/CSR
%s/thie/the
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210627115716.3552-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
I've relinquished my edk2 roles with the following commit message [1] [2]
[3]:
> Maintainers.txt: remove Laszlo Ersek's entries
>
> I'm relinquishing all my roles listed in "Maintainers.txt", for personal
> reasons.
>
> My email address <lersek@redhat.com> remains functional.
>
> To my understanding, my employer is working to assign others engineers
> to the edk2 project (at their discretion).
[1] https://edk2.groups.io/g/devel/message/77585
[2] https://listman.redhat.com/archives/edk2-devel-archive/2021-July/msg00202.html
[3] http://mid.mail-archive.com/20210708070916.8937-1-lersek@redhat.com
Accordingly, remove my entries from QEMU's MAINTAINERS file as well, which
all relate to guest firmware.
Cc: Daniel P. Berrange <berrange@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Kashyap Chamarthy <kchamart@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210708071409.9671-1-lersek@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Introduce the X86_FW_OVMF Kconfig symbol for OVMF-specific code.
Move the OVMF-specific code from pc_sysfw.c to pc_sysfw_ovmf.c,
adding a pair of stubs.
Update MAINTAINERS to reach OVMF maintainers when these new
files are modified.
This fixes when building the microvm machine standalone:
/usr/bin/ld: libqemu-i386-softmmu.fa.p/target_i386_monitor.c.o: in
function `qmp_sev_inject_launch_secret':
target/i386/monitor.c:749: undefined reference to `pc_system_ovmf_table_find'
Fixes: f522cef9b3 ("sev: update sev-inject-launch-secret to make gpa optional")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20210616204328.2611406-22-philmd@redhat.com>
Add assertion in pc_system_ovmf_table_find that verifies that the flash
was indeed previously parsed (looking for the OVMF table) by
pc_system_parse_ovmf_flash.
Now pc_system_ovmf_table_find distinguishes between "no one called
pc_system_parse_ovmf_flash" (which will abort due to assertion failure)
and "the flash was parsed but no OVMF table was found, or it is invalid"
(which will return false).
Suggested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Dov Murik <dovmurik@linux.ibm.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210701052749.934744-2-dovmurik@linux.ibm.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
All jobs depending on 'docker-edk2' job must use at most all
the rules that triggers it. The simplest way to ensure that
is to always use the same rules. Extract all the rules to a
reusable section, and include this section (with the 'extends'
keyword) in both 'docker-edk2' and 'build-edk2' jobs.
The problem was introduced in commit 71920809ce ("gitlab-ci.yml:
Add jobs to build EDK2 firmware binaries"), but was revealed in
commit 1925468ddb ("docker: EDK2 build job depends on EDK2
container") and eventually failed on CI:
https://gitlab.com/qemu-project/qemu/-/pipelines/335995843
Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210714101003.3113726-1-philmd@redhat.com>
Fix pba_offset initialization value for BAIDU KUNLUN Virtual
Function device. The KUNLUN hardware returns an incorrect
value for the VF PBA offset, and add a quirk to instead
return a hardcoded value of 0xb400.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210713093743.942-1-caihuoqing@baidu.com
[aw: comment & whitespace tuning]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
CID 1458134: Integer handling issues (BAD_SHIFT)
In expression "1 << ctz64(container->pgsizes)", left shifting by more
than 31 bits has undefined behavior. The shift amount,
"ctz64(container->pgsizes)", is 64.
Commit 5e3b981c33 ("vfio: Support for RamDiscardManager in the !vIOMMU
case") added an assertion that our granularity is at least as big as the
page size.
Although unlikely, we could have a page size that does not fit into
32 bit. In that case, we'd try shifting by more than 31 bit.
Let's use 1ULL instead and make sure we're not shifting by more than 63
bit by asserting that any bit in container->pgsizes is set.
Fixes: CID 1458134
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Auger Eric <eric.auger@redhat.com>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: teawater <teawaterz@linux.alibaba.com>
Cc: Marek Kedzierski <mkedzier@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@ionos.com>
Link: https://lore.kernel.org/r/20210712083135.15755-1-david@redhat.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
- New SMMUv3 and Intel IOMMU tests
- Respect "cpu" tags and reduce boiler plate code
- Improved logging of qemu execution output
- Other misc improvements
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Merge remote-tracking branch 'remotes/cleber-gitlab/tags/python-next-pull-request' into staging
Python and Acceptance Tests
- New SMMUv3 and Intel IOMMU tests
- Respect "cpu" tags and reduce boiler plate code
- Improved logging of qemu execution output
- Other misc improvements
# gpg: Signature made Tue 13 Jul 2021 22:11:36 BST
# gpg: using RSA key 7ABB96EB8B46B94D5E0FE9BB657E8D33A5F209F3
# gpg: Good signature from "Cleber Rosa <crosa@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 7ABB 96EB 8B46 B94D 5E0F E9BB 657E 8D33 A5F2 09F3
* remotes/cleber-gitlab/tags/python-next-pull-request: (23 commits)
tests/acceptance/cpu_queries.py: use the proper logging channels
tests/acceptance/linux_ssh_mips_malta.py: drop identical setUp
Acceptance tests: do not try to reuse packages from the system
python: Configure tox to skip missing interpreters
tests/acceptance: Handle cpu tag on x86_cpu_model_versions tests
tests/acceptance: Add set_vm_arg() to the Test class
python/qemu: Add args property to the QEMUMachine class
tests/acceptance: Tagging tests with "cpu:VALUE"
tests/acceptance: Let the framework handle "cpu:VALUE" tagged tests
tests/acceptance: Fix mismatch on cpu tagged tests
tests/acceptance: Automatic set -cpu to the test vm
tests/acceptance: Tag NetBSD tests as 'os:netbsd'
avocado_qemu: Add Intel iommu tests
avocado_qemu: Add SMMUv3 tests
Acceptance Tests: Add default kernel params and pxeboot url to the KNOWN_DISTROS collection
avocado_qemu: Fix KNOWN_DISTROS map into the LinuxDistro class
tests/acceptance: Ignore binary data sent on serial console
Acceptance Tests: support choosing specific distro and version
Acceptance Tests: move definition of distro checksums to the framework
Acceptance Tests: rename attribute holding the distro image checksum
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Implemented FIFO and LRU eviction policies. Now one of the three
eviction policies can be chosen as an argument. On not specifying an
argument, LRU is used by default.
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210623125458.450462-4-ma.mandourr@gmail.com>
Message-Id: <20210709143005.1554-39-alex.bennee@linaro.org>
Added a cache modelling plugin that uses a static configuration used in
many of the commercial microprocessors and uses random eviction policy.
The purpose of the plugin is to identify the most cache-thrashing
instructions for both instruction cache and data cache.
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210623125458.450462-2-ma.mandourr@gmail.com>
Message-Id: <20210709143005.1554-37-alex.bennee@linaro.org>
This adds description of the execlog TCG plugin with an example.
Signed-off-by: Alexandre Iooss <erdnaxe@crans.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210702081307.1653644-3-erdnaxe@crans.org>
Message-Id: <20210709143005.1554-36-alex.bennee@linaro.org>
