tree 2ef808c297444cb706ae5ac243deb3218d98737f
parent 0201e2da65b1828937c478fa1ac52e58522a32c1
author David Gibson <david@gibson.dropbear.id.au> 1301631328 +1100
committer Alexander Graf <agraf@suse.de> 1301675696 +0200

Implement TCE translation for sPAPR VIO

This patch implements the necessary infrastructure and hypercalls for
sPAPR's TCE (Translation Control Entry) IOMMU mechanism.  This is necessary
for all virtual IO devices which do DMA (i.e. nearly all of them).

Signed-off-by: Ben Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>