First let me say that I'm in way over my head on this one (but you have
to start somewhere I guess).
Anyway, I'm trying to implement ata-over-ethernet (aoe) as a netgraph
module -- see http://www.coraid.com for specs and freebsd drivers, or
http://aoetools.sf.net for user space code (linux only).
As my first kernel programming experience I have completed a netgraph
node that splits incoming packets off based off ethernet type and then
sorts them based on aoe shelf/slot to the appropriate hook.
Now I need to write a node that performs aoe on a device. The disk
access is where I'm stuck. Archie mentioned in "All About Netgraph"
that netgraph could be used to talk to disks -- well here is the chance.
Can anyone point me in the right direction for opening and read/writing
a device (/dev/ad0s1a, /dev/gvinum/disk1, etc) from kernel code? I
think Google is going to ban my ip from all the searching ;) .
Many thanks,
Jeb Campbell
[EMAIL PROTECTED]
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