On Tue, May 26, 2026 at 09:47:27AM +0300, Dmitry Baryshkov wrote: > 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.
All the non-remoteproc client will be the user., I already mentioned that video is one of user mentioned in the cover-letter.., will add them as user once there base changes get picked. > > > > > 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 -- -Mukesh Ojha
