This allocates and registers the iopf queue infrastructure for devices
which want to support IO page fault for SVA.
Signed-off-by: NLu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20210520031531.712333-1-baolu.lu@linux.intel.com
Link: https://lore.kernel.org/r/20210610020115.1637656-11-baolu.lu@linux.intel.comSigned-off-by: NJoerg Roedel <jroedel@suse.de>