linux-kernel - RE: [RFC v1] virtio: add virtio-over-PCI driver

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Date:	Fri, 20 Feb 2009 11:44:53 +0800
From:	"Zang Roy-R61911" <tie-fei.zang@...escale.com>
To:	"Kumar Gala" <galak@...nel.crashing.org>
Cc:	"Ira Snyder" <iws@...o.caltech.edu>,
	"Arnd Bergmann" <arnd@...db.de>,
	"Jan-Bernd Themann" <THEMANN@...ibm.com>, <netdev@...r.kernel.org>,
	"Rusty Russell" <rusty@...tcorp.com.au>,
	<linux-kernel@...r.kernel.org>, <linuxppc-dev@...abs.org>
Subject: RE: [RFC v1] virtio: add virtio-over-PCI driver

 

> -----Original Message-----
> From: Kumar Gala [mailto:galak@...nel.crashing.org] 
> Sent: Friday, February 20, 2009 0:52 AM
> To: Zang Roy-R61911
> Cc: Ira Snyder; Arnd Bergmann; Jan-Bernd Themann; 
> netdev@...r.kernel.org; Rusty Russell; 
> linux-kernel@...r.kernel.org; linuxppc-dev@...abs.org
> Subject: Re: [RFC v1] virtio: add virtio-over-PCI driver
> 
> 
> On Feb 19, 2009, at 12:13 AM, Zang Roy-R61911 wrote:
> 
> >
> >
> >> -----Original Message-----
> >> From:
> >> linuxppc-dev-bounces+tie-fei.zang=freescale.com@...abs.org
> >> [mailto:linuxppc-dev-bounces+tie-fei.zang=freescale.com@...abs
> >> .org] On Behalf Of Kumar Gala
> >> Sent: Thursday, February 19, 2009 0:47 AM
> >> To: Ira Snyder
> >> Cc: Arnd Bergmann; Jan-Bernd Themann; netdev@...r.kernel.org;
> >> Rusty Russell; linux-kernel@...r.kernel.org; 
> linuxppc-dev@...abs.org
> >> Subject: Re: [RFC v1] virtio: add virtio-over-PCI driver
> >>
> >>
> >> On Feb 17, 2009, at 4:24 PM, Ira Snyder wrote:
> >>
> >>>
> >>> Documentation/virtio-over-PCI.txt     |   61 ++
> >>> arch/powerpc/boot/dts/mpc834x_mds.dts |    7 +
> >>
> >> we'll have to review the .dts and expect a documentation update for
> >> the node.  But that's pretty minor at this point.
> >>
> >>> drivers/virtio/Kconfig                |   22 +
> >>> drivers/virtio/Makefile               |    2 +
> >>> drivers/virtio/vop.h                  |  119 ++
> >>> drivers/virtio/vop_fsl.c              | 1911
> >> ++++++++++++++++++++++++
> >>> +++++++++
> >>
> >> make this vop_fsl_mpc83xx.c or something along those lines.
> > why?
> 
> so we can deal with 85xx as well. 
After some modificaiton, the driver should be used on 85xx.
For 85xx, most of the cases are for pci express.

>  We just need to isolate the 83xx  
> specific bits (message usage)
Yes.
Roy
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