On 18.04.2024 16:18, Marek Marczykowski-Górecki wrote:
> On Wed, Mar 13, 2024 at 04:16:05PM +0100, Marek Marczykowski-Górecki wrote:
>> This series includes changes to make MSI-X working with Linux stubdomain and
>> especially Intel Wifi 6 AX210 card. This takes care of remaining reasons for
>> QEMU to access /dev/mem, but also the Intel Wifi card violating spec by putting
>> some registers on the same page as the MSI-X table.
>> Besides the stubdomain case (of which I care more), this is also necessary for
>> PCI-passthrough to work with lockdown enabled in dom0 (when QEMU runs in dom0).
>>
>> See individual patches for details.
>>
>> This series include also tests for MSI-X using new approach (by preventing QEMU
>> access to /dev/mem). But for it to work, it needs QEMU change that
>> makes use of the changes introduced here. It can be seen at
>> https://github.com/marmarek/qemu/commits/msix
>>
>> Here is the pipeline that used the QEMU fork above:
>> https://gitlab.com/xen-project/people/marmarek/xen/-/pipelines/1211237368
>>
>> Marek Marczykowski-Górecki (7):
>> x86/msi: passthrough all MSI-X vector ctrl writes to device model
>> x86/msi: Extend per-domain/device warning mechanism
>> x86/hvm: Allow access to registers on the same page as MSI-X table
>> automation: prevent QEMU access to /dev/mem in PCI passthrough tests
>> automation: switch to a wifi card on ADL system
>> [DO NOT APPLY] switch to qemu fork
>> [DO NOT APPLY] switch to alternative artifact repo
>>
>> Config.mk | 4 +-
>> automation/gitlab-ci/build.yaml | 4 +-
>> automation/gitlab-ci/test.yaml | 4 +-
>> automation/scripts/qubes-x86-64.sh | 9 +-
>> automation/tests-artifacts/alpine/3.18.dockerfile | 7 +-
>> automation/tests-artifacts/kernel/6.1.19.dockerfile | 2 +-
>> xen/arch/x86/hvm/vmsi.c | 224 ++++++++++++-
>> xen/arch/x86/include/asm/msi.h | 15 +-
>> xen/arch/x86/msi.c | 50 ++-
>> xen/common/kernel.c | 1 +-
>> xen/include/public/features.h | 8 +-
>> 11 files changed, 308 insertions(+), 20 deletions(-)
>>
>> base-commit: 03cf7ca23e0e876075954c558485b267b7d02406
>> --
>> git-series 0.9.1
>
> Ping, can I ask for a review?
Sure, in due course. The series was not lost.
Jan