Set the chain_offset field (same as sgl_offset0, only in 16 byte units)
authorjmatthew <jmatthew@openbsd.org>
Tue, 20 Feb 2018 05:40:52 +0000 (05:40 +0000)
committerjmatthew <jmatthew@openbsd.org>
Tue, 20 Feb 2018 05:40:52 +0000 (05:40 +0000)
commitc3a128d5c3b074b7384694c59ef9ad8fdb43d04a
tree662277c2f9a90fe46a1b148e69520520100da4aa
parentf26ae2b6c65928b07661398937be006649b0caa1
Set the chain_offset field (same as sgl_offset0, only in 16 byte units)
in passthrough IO requests, which makes AEN processing work on SAS2208
controllers, and since AEN processing works now, enable it again.

tested on SAS2208 (PERC H710P) and SAS3108 (PERC H730), SAS3.5 parts
should work too.
ok dlg@
sys/dev/pci/mfii.c