How to write driver with load time parameter support?

[cm c]

I'm still not very clear the way to do this. Does this method do set the parameters at load time or after load ? Cause Linux can 
            insmod abc.o param=123;
param is set to 123 when abc is linked to the kernel.
 
Could u please give me a simple example? 
 
thanks very much!
CcM, a newbie.

Dan Nelson <dnelson at allantgroup.com> wrote:
In the last episode (Dec 08), cm c said:
> I've done most of my driver, but I need some load time parameters
> to be passed to this driver. Under Linux MODULE_PARM() can do
> this job, how can I do this under FBSD?

I think kernel tunables (set in /boot/loader.conf at boot time or via
/bin/kenv at runtime, readable in-kernel via TUNABLE_* macros) are your
best bet here.

-- 
Dan Nelson
dnelson at allantgroup.com
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