K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2019-01-07T02:39:40.152323Z
K 7
svn:log
V 328
Fix use of busdma(9) KPI in ahci(4).

Use BUS_DMA_NOWAIT for loads at initialization time.
Report actual numeric error code if any problem occurs at the
initialization.

Reported and tested by:	pho
Reviewed by:	mav
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D18741

END