On Mon, Jul 20, 2009 at 10:52:27PM +0300, Michael S. Tsirkin wrote: > On Mon, Jul 20, 2009 at 09:09:43PM +0200, Hans J. Koch wrote: > > On Mon, Jul 20, 2009 at 10:29:34AM +0300, Michael S. Tsirkin wrote: > > > This adds a generic uio driver that can bind to any PCI device. First > > > user will be virtualization where a qemu userspace process needs to give > > > guest OS access to the device. > > > > > > Interrupts are handled using the Interrupt Disable bit in the PCI command > > > register and Interrupt Status bit in the PCI status register. All devices > > > compliant to PCI 2.3 (circa 2002) and all compliant PCI Express devices should > > > support these bits. Driver detects this support, and won't bind to devices > > > which do not support the Interrupt Disable Bit in the command register. > > > > > > It's expected that more features of interest to virtualization will be > > > added to this driver in the future. Possibilities are: mmap for device > > > resources, MSI/MSI-X, eventfd (to interface with kvm), iommu. > > > > Thanks for adding the docs! Looks alright to me. > > > > Thanks, > > Hans > > > > > > > > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > > > Acked-by: Chris Wright <chrisw@xxxxxxxxxx> > > > > Signed-off-by: Hans J. Koch <hjk@xxxxxxxxxxxxx> > > Jesse just acked this patch in a private mail, as well. > Acked-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> Odd, but ok... I'll queue it up now. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
