On 6/21/06, Gilboa Davara <gilboad@xxxxxxxxx> wrote:
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. > Hello, I've added the pciback.hide option but it doesn't seem to work. [root@gilboa-home-srv gilboa]# cat /etc/grub.conf | grep xen0 -A2 title Fedora Core (2.6.16-1.2133_FC5xen0) root (hd0,0) kernel /xen.gz-2.6.16-1.2133_FC5 module /vmlinuz-2.6.16-1.2133_FC5xen0 ro root=/dev/VolMD/LogFC5 rhgb quiet pciback.hide=(01:09.0) module /initrd-2.6.16-1.2133_FC5xen0.img title Fedora Core (2.6.16-1.2133_FC5xenU) root (hd0,0) [root@gilboa-home-srv gilboa]# dmesg | grep pci Bootdata ok (command line is ro root=/dev/VolMD/LogFC5 rhgb quiet pciback.hide=(01:09.0)) Kernel command line: ro root=/dev/VolMD/LogFC5 rhgb quiet pciback.hide=(01:09.0) Unknown boot option `pciback.hide=(01:09.0)': ignoring ACPI: bus type pci registered PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report pcie_portdrv_probe->Dev[005d:10de] has invalid IRQ. Check vendor BIOS Allocate Port Service[0000:00:0b.0:pcie00] pcie_portdrv_probe->Dev[005d:10de] has invalid IRQ. Check vendor BIOS Allocate Port Service[0000:00:0c.0:pcie00] pcie_portdrv_probe->Dev[005d:10de] has invalid IRQ. Check vendor BIOS Allocate Port Service[0000:00:0d.0:pcie00] pcie_portdrv_probe->Dev[005d:10de] has invalid IRQ. Check vendor BIOS Allocate Port Service[0000:00:0e.0:pcie00] What am I missing?
OK. I think I found the problem. Missing configuration in 2133 kernel? [gilboa@gilboa-home-srv ~]$ cat /boot/config-2.6.16-1.2133_FC5xen0 | grep XEN | grep PCI # CONFIG_XEN_PCIDEV_FRONTEND is not set # CONFIG_XEN_PCIDEV_BACKEND is not set Gilboa -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list