Introduce d_version field in struct cdevsw, this must always be
initialized to D_VERSION.
Flip sense of D_NOGIANT flag to D_NEEDGIANT, this involves removing
four D_NOGIANT flags and adding 145 D_NEEDGIANT flags.
This version of the driver code is compatible with near-release FreeBSD 5.1
kernel/driver interfaces.
modules/Makefile, man page and other bindings to follow shortly, once I get
this part of the check-in right.
Approved by: markm(mentor)