This is towards a possible fix for RedHat ticket https://bugzilla.redhat.com/show_bug.cgi?id=2089545 .
Michael suggested we try to enable ATS per pcie root port instead of enabling it globally by setting the ALL_PORTS flag to 1 in the Root Port ATS capability structure. This patchset makes this happen. Ani Sinha (4): hw/acpi: allow changes to DSDT and DMAR tables hw/acpi: set ATS capability explicitly per pcie root port tests/acpi/bios-table-test: add pcie root port device for DMAR test tests/acpi/bios-tables-test: update DSDT and DMAR table blobs hw/i386/acpi-build.c | 74 ++++++++++++++++++++++++++++++++- tests/data/acpi/q35/DMAR.dmar | Bin 120 -> 136 bytes tests/data/acpi/q35/DSDT.dmar | Bin 0 -> 8421 bytes tests/qtest/bios-tables-test.c | 3 +- 4 files changed, 74 insertions(+), 3 deletions(-) create mode 100644 tests/data/acpi/q35/DSDT.dmar -- 2.25.1
