MFC r325383:

Avoid calling get_controller_count() until attaching, this would avoid
costly PCI config space operations that slows down systems without the
hardware.

Many thanks to HighPoint for continued support of FreeBSD!

Submitted by: Steve Chang
Reported by: cperciva

MFC r267386,269611,284730:

Update vendor driver to 1.2.7. This update improves driver reliability and
adds support of 4Kn drives and report LUNs command.

Many thanks to HighPoint for providing this driver update.

MFC r267386,269611,284730:

Update vendor driver to 1.2.7. This update improves driver reliability and
adds support of 4Kn drives and report LUNs command.

Many thanks to HighPoint for providing this driver update.