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From: Ira Snyder <iws@ovro.caltech.edu>
To: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Jan-Bernd Themann <THEMANN@de.ibm.com>,
	netdev@vger.kernel.org, Rusty Russell <rusty@rustcorp.com.au>,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: [RFC v2] virtio: add virtio-over-PCI driver
Date: Thu, 26 Feb 2009 12:25:58 -0800	[thread overview]
Message-ID: <20090226202558.GB19523@ovro.caltech.edu> (raw)
In-Reply-To: <alpine.LRH.2.00.0902261752310.29190@vixen.sonytel.be>

On Thu, Feb 26, 2009 at 05:53:56PM +0100, Geert Uytterhoeven wrote:
> On Thu, 26 Feb 2009, Arnd Bergmann wrote:
> > On Tuesday 24 February 2009, Ira Snyder wrote:
> > > +/* Virtio-over-PCI descriptors: 12 bytes. These can chain together via "next" */
> > > +struct vop_desc {
> > > +	/* Address (host physical) */
> > > +	__le32 addr;
>                ^^^^
> Only 32-bit? Is this future-proof?
> 

Probably not. If I use __le64 instead, how do I write 64 bytes over the
PCI bus? There isn't an iowrite64()/ioread64() anywhere in Linux.

Thanks,
Ira

  reply	other threads:[~2009-02-26 20:26 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-24  0:00 [RFC v2] virtio: add virtio-over-PCI driver Ira Snyder
2009-02-26 16:15 ` Arnd Bergmann
2009-02-26 16:53   ` Geert Uytterhoeven
2009-02-26 20:25     ` Ira Snyder [this message]
2009-02-26 20:01   ` Ira Snyder
2009-02-26 20:37     ` Arnd Bergmann
2009-02-26 21:49       ` Ira Snyder
2009-02-26 22:34         ` Arnd Bergmann
2009-02-26 23:17           ` Ira Snyder
2009-02-26 23:44             ` Arnd Bergmann
2009-04-21  6:09         ` Grant Likely
2009-04-14 20:28 ` Grant Likely
2009-04-14 21:23   ` David Hawkins
2009-04-14 21:45     ` Grant Likely
2009-04-14 21:52       ` David Hawkins
2009-04-14 22:16         ` Grant Likely
2009-04-14 22:27           ` David Hawkins
2009-04-14 21:53   ` Ira Snyder
2009-06-11 14:22     ` Grant Likely
2009-06-11 15:10       ` Ira Snyder
2011-05-06 12:00 Kushwaha Prabhakar-B32579
2011-05-06 16:06 ` Ira W. Snyder
2011-05-07  5:59   ` Kushwaha Prabhakar-B32579

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