* Alex Williamson (alex.williamson@xxxxxxxxxx) wrote: > On Tue, 2011-04-19 at 15:26 -0700, Chris Wright wrote: > > * Alex Williamson (alex.williamson@xxxxxxxxxx) wrote: > > > On Tue, 2011-04-19 at 15:07 -0700, Chris Wright wrote: > > > > * Alex Williamson (alex.williamson@xxxxxxxxxx) wrote: > > > > > When using VFIO to assign a device to a guest, we want to make sure > > > > > the device is quiesced on VM reset to stop all DMA within the guest > > > > > mapped memory. Add an ioctl which just calls pci_reset_function() > > > > > and returns whether it succeeds. > > > > > > > > Shouldn't there be a reset when binding/unbinding vfio to/from a pci > > > > device? > > > > > > There's already one when the /dev/vfioX file is opened, we should add > > > another on release, and probably add the same PCI save state store/load > > > that I'm proposing for KVM across those. Thanks, > > > > Hmm, I looked and didn't see it, hence the question. > > vfio_open() -> pci_reset_function() > https://github.com/pugs/vfio-linux-2.6/blob/vfio/drivers/vfio/vfio_main.c Got it, thanks Alex. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
