On Tue, Aug 27, 2024 at 09:59:41AM -0700, Nicolin Chen wrote: > Now a VIOMMU can wrap a shareable nested parent HWPT. So, it can act like > a nested parent HWPT to allocate a nested HWPT. > > Support that in the IOMMU_HWPT_ALLOC ioctl handler, and update its kdoc. > > Also, associate a viommu to an allocating nested HWPT. > > Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > --- > drivers/iommu/iommufd/hw_pagetable.c | 24 ++++++++++++++++++++++-- > drivers/iommu/iommufd/iommufd_private.h | 1 + > include/uapi/linux/iommufd.h | 12 ++++++------ > 3 files changed, 29 insertions(+), 8 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
