K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2020-09-25T21:19:56.536352Z
K 7
svn:log
V 385
Revert most of r360179.

I had failed to notice that sgsendccb() was using cam_periph_mapmem()
and thus was not passing down user pointers directly to drivers.  In
practice this broke requests submitted from userland.

PR:		249395
Reported by:	Trenton Schulz <trueos@norwegianrockcat.com>
Reviewed by:	scottl
MFC after:	3 days
Differential Revision:	https://reviews.freebsd.org/D26550

END