iommu/vt-d: Split up get_domain_for_dev function

Split out the search for an already existing domain and the
context mapping of the device to the new domain.

This allows to map possible RMRR regions into the domain
before it is context mapped.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

0 files changed, 0 insertions, 0 deletions