K 10 svn:author V 5 markj K 8 svn:date V 27 2020-10-23T14:16:52.588772Z K 7 svn:log V 470 ntb: Add Intel Xeon Gen3 support The NTB hardware starting with Skylake has some changes to the register map and the doorbell interface. Add a new NTB_XEON_GEN3 device type and use it to conditionalize driver logic that differs from the existing Xeon code. Reviewed by: vangyzen Discussed with: cem, Bret Ketchum MFC after: 1 month Sponsored by: NetApp, Inc. Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D26683 END