iommu/amd: Set up data structures for flush queue

The flush queue is the equivalent to defered-flushing in the
Intel VT-d driver. This patch sets up the data structures
needed for this.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2016-07-06 11:55:37 +02:00
commit c5b5da9c79