Conrad Meyer 9e3bbf26a9 ioat: Dedupe operation enqueue logic
Add generic hw descriptor struct and generic control flags struct, in
preparation for other kinds of IOAT operation.

Sponsored by:	EMC / Isilon Storage Division
2015-10-26 19:34:00 +00:00
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2015-10-26 19:34:00 +00:00