K 10 svn:author V 3 jhb K 8 svn:date V 27 2016-09-30T00:31:17.689635Z K 7 svn:log V 418 MFC 303886: Add additional constants. - Add constants for the fields in the root-entry table address register, namely the root type type (RTT) and root table address (RTA) mask. - Add macros for the bitmask of the domain ID field in the second word of context table entries as well as a helper macro (DMAR_CTX2_GET_DID) to extract the domain ID from a context table entry. Sponsored by: Chelsio Communications END