Messages in this thread | | | Date | Tue, 19 Apr 2011 15:26:26 -0700 | From | Chris Wright <> | Subject | Re: [PATCH] vfio: Add an ioctl to reset the device |
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* Alex Williamson (alex.williamson@redhat.com) wrote: > On Tue, 2011-04-19 at 15:07 -0700, Chris Wright wrote: > > * Alex Williamson (alex.williamson@redhat.com) 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.
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