On Mon, Jan 18, 2010 at 07:53:25PM +0200, Michael S. Tsirkin wrote: > On Mon, Jan 18, 2010 at 05:50:35PM +0000, Blue Swirl wrote: > > On Mon, Jan 18, 2010 at 10:56 AM, Michael S. Tsirkin <m...@redhat.com> > > wrote: > > > Alexander, so I assume the following patchset should be enough for you > > > to implement u3 support, simply by creating your own rwhandler, and > > > using pci_data_read/write directly there. I have pushed it to a > > > temporary branch in my tree: > > > git://git.kernel.org/pub/scm/linux/kernel/git/mst/qemu.git rwhandler > > > > > > Paul, any comments on this approach? > > > > > > I'll push this to my pci tree if this turns out to be helpful. > > > Hope this helps, and sorry about the churn. > > > > I proposed earlier something similar for MMIO. The thread could be > > interesting: > > http://lists.gnu.org/archive/html/qemu-devel/2009-05/msg00095.html > > IIUC that patch seems to do much more, and also seems to involve all io? > This one is just a library that devices can use. Intended users are not > performance-critical like pci config.
To put it in other words: could you please be more explicit please? I failed to see the relevance ... -- MST
