tree c1cba490fee61a3945f448f8da28acd638cbff4a
parent 25c7bfaef201ab8cef400ea96e27803e1d32697a
author Isaku Yamahata <yamahata@valinux.co.jp> 1224209871 +0900
committer Tony Luck <tony.luck@intel.com> 1224262677 -0700

ia64/xen: define helper functions for xen related address conversion.

Xen needs some address conversions between pseudo physical
address (guest phsyical address), guest machine address
(real machine address) and dma address.
Define helper functions for those address conversion.

Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>