firewire patch (Re: cvs commit: src/sys/dev/disk/sbp sbp.c)

[Hidetoshi Shimokawa]

> > You can limit the queue length for such devices by:
> > # camcontrol X:X:X tags -N 1
> 
> Last time I tried that didn't help. Hm. I will try to trace it down
> (together with the if_wi timeout when using the firewire disk). But
> first I have to get my internal HD back.

Do you have any progress on this problem?

> > I have installed DFB in one of my machine. I'd like to sync the
> > firewire drivers in DFB with those in recent FreeBSD's tree.
> 
> This would be very useful.

I have made a patch to sync DFB with FreeBSD-curret's FireWire driver.
You can find it at:
http://people.freebsd.org/~simokawa/firewire/dfb-patch-20030130

This patch may still need some cleanup and it doesn't include
the tagged queuing hack.

> > I'm interested in SSI(Single System Image) of DFB and
> > I think the FireWire bus can be a efficient trasport layer for it.
> 
> Yeah, esp. since it is engineered by real intelligent people and
> not forcefully put into market by MS ;-)
> 
> Do you know wether anyone has written a real IP-over-1394 driver?

The original FireWire driver for FreeBSD-4.x has a IP over 1394
support. I don't know whether it actually worked or not.
(see. ftp://ftp.uec.ac.jp/pub/firewire/)

/\ Hidetoshi Shimokawa
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