On Mon, Mar 14, 2022 at 03:44:33PM -0400, Matthew Rosato wrote: > s390x will introduce an additional domain type that is used for > managing IOMMU owned by KVM. Define the type here and add an > interface for allocating a specified type vs the default type. > > Signed-off-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx> > --- > drivers/iommu/iommu.c | 7 +++++++ > include/linux/iommu.h | 12 ++++++++++++ > 2 files changed, 19 insertions(+) I think the general idea is right, but I'm not keen on this as an interface at all. We are trying to build in iommufd a generic interface for an IOMMU driver to expose IOMMU-device-specific domains such as this in a general purpose way so all the platforms can get what they need. Jason
