On Tue, 2006-06-20 at 09:19 -0700, list user wrote: > Gilboa Davara wrote: > > Hello all, > > > > I'm installing Xen on a machine with multiple Gbps NICs that I'm using > > for driver development. > > Is there a way to give the guest complete control over a number of these > > NICs without having the host to route/bridge the traffic to the guest? > > Yes. > > 1) use "lspci" to determine which PCI slots the network cards occupy > 2) Hide them from dom0: in dom0's grub.conf add "pciback.hide(xx:yy.z)" > to the kernel boot parameters. e.g. > "module /vmlinuz-2.6.16-xen ro root=/dev/vg0/fc4 \ > "pciback.hide=(aa:aa.a)(bb:bb.b)" > Multiple slots may be hidden by adding additional parentheticized > slot info. *Don't use quotes* inside the parens. > 3) give the selected pci slots to the domU by adding a corresponding > line to its config file: e.g into /etc/xen/vm1 add: > "pci = ['aa:aa.a','bb:bb.b']" > Multiple slots are given within the brackets, *separated by commas*, > *quotes are required* within the brackets. > > As of 3.0.2 exported pci slots crash domUs when when trying to > automagically save/restore domUs using xendomains or the other tools. > They will require clean boots. > > Hope that helps. Thanks! Should I assume I expect near-native performance, right? I'll give it a try later this week. Gilboa
