linux-kernel - Re: [PATCH RFC v5] net: add PCINet driver

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Message-Id: <1231630355.2142.92.camel@pasglop>
Date:	Sun, 11 Jan 2009 10:32:35 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Ira Snyder <iws@...o.caltech.edu>
Cc:	David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org, shemminger@...tta.com, arnd@...db.de,
	netdev@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH RFC v5] net: add PCINet driver

On Thu, 2009-01-08 at 13:51 -0800, Ira Snyder wrote:
> The guests (PowerPC computers running Linux) are PCI cards in the host
> system (an Intel Pentium3-M system). The guest computers can access all
> of the host's memory. The guests provide a 1MB (movable) window into
> their memory.
> 
> The PowerPC computers also have a DMA controller, which I've used to get
> better throughput from my driver. I have a way to create interrupts to
> both the host and guest systems.

That looks -very- similar to the PCI driver for CAB and Cell triblades
that was, I think, submitted a while ago. Arnd what's the status with
that driver ?

Cheers,
Ben.


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