On Wed, May 06, 2026 at 10:31:05AM +0530, Mukesh Ojha wrote: > Add qcom_mdt_pas_map_devmem_rscs() and qcom_mdt_pas_unmap_devmem_rscs() > to IOMMU map/unmap RSC_DEVMEM resource table entries on SoCs where Linux > runs as hypervisor at EL2 and owns the IOMMU mappings for remote > processors.
Generic rule is 'no API without users'. Please provide a driver using these functions. > > The map function fetches the resource table via > qcom_scm_pas_get_rsc_table() and iterates over RSC_DEVMEM entries using > rsc_table_for_each_entry(), calling iommu_map() for each. Mapped entries > are tracked in a per-PAS linked list stored in a hash table keyed by > pas_id for later lookup by the unmap function. > > Signed-off-by: Mukesh Ojha <[email protected]> > --- > drivers/soc/qcom/mdt_loader.c | 189 ++++++++++++++++++++++++++++ > include/linux/soc/qcom/mdt_loader.h | 22 ++++ > 2 files changed, 211 insertions(+) > -- With best wishes Dmitry
