iommu/vt-d: Add device_def_domain_type() helper

This helper returns the default domain type that the device
requires.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Lu Baolu 2019-05-25 13:41:26 +08:00 • committed by Joerg Roedel
commit f273a453b7