K 10
svn:author
V 6
andrew
K 8
svn:date
V 27
2016-12-16T10:40:00.700677Z
K 7
svn:log
V 439
Add support to read the _CLS entry if it's present. It is used by
memory-mapped devices that are normally PCIe drives. Devices can then use
the existing pci_get_class, etc. accessors to query this data.

The ivar values are different enough from the existing ACPI and ISA values
to not conflict.

Reviewed by:	jhb
Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D8721

END