On Wed, Dec 23, 2015 at 10:09:49AM +0800, Yuanhan Liu wrote: > Why can't we simply quit at pci_scan_one, once finding that it's not > bond to uio (or similar stuff)? That would be generic enough, that we > don't have to do similar checks for each new pmd driver. > > Or, am I missing something?
It seems that ioport way to play with virtio devices do not require any PCI wrapper layer like UIO/VFIO? Please check virtio_resource_init(). > > > > I guess there might be two problems? Which are: > > > > 1. How user avoid DPDK taking over virtio devices that they do not > > want for IO (chooses which device to use) > > Isn't that what's the 'binding/unbinding' for? > > > 2. Driver conflict between virtio PMD in DPDK, and virtio-pci in > > kernel (happens on every virtio device that DPDK uses) > > If you unbinded the kernel driver first, which is the suggested (or > must?) way to use DPDK, that will not happen. Yes, maybe we should unbind it first. I am just not sure what will happen if not. Peter
