PC-BSD/trueos 621218asys/dev/ntb/ntb_hw ntb_hw_plx.c

Allow I/OAT of present Xeon E5/E7 to work thorugh PLX NTB.

Its a hack, we can't know/list all DMA engines, but this covers all
I/OAT of Xeon E5/E7 at least from Sandy Bridge till Skylake I saw.

MFC after:      1 week
Sponsored by:   iXsystems, Inc.
DeltaFile
+12-4sys/dev/ntb/ntb_hw/ntb_hw_plx.c
+12-41 files

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