Intel platform VT-d (v3.2) comes with a new type of DMAR subtable SATC. The SATC table includes a list of SoC integrated devices that require SATC. OS software can use this table to enable ATS only for the devices in the list.
Yian Chen (3): iommu/vt-d: Add new enum value and structure for SATC iommu/vt-d: Parse SATC reporting structure iommu/vt-d: Apply SATC policy drivers/iommu/intel/dmar.c | 9 ++ drivers/iommu/intel/iommu.c | 161 +++++++++++++++++++++++++++++++++++- include/acpi/actbl1.h | 11 ++- include/linux/dmar.h | 2 + 4 files changed, 178 insertions(+), 5 deletions(-) -- 2.25.1
