K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-07-20T05:34:28.893897Z
K 7
svn:log
V 277
hyperv/vmbus: Pass channel as the first argument for channel callback

The prepares to kill device private fields in channel struct, which
are not flexible and extensible.

MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7243

END