Messages in this thread | | | Date | Thu, 26 Feb 2009 12:25:58 -0800 | From | Ira Snyder <> | Subject | Re: [RFC v2] virtio: add virtio-over-PCI driver |
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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
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