Novell SUSE LINUX ENTERPRISE DESKTOP 11 SP1 - 8-18-2010 VIRTUALIZATION WITH ZEN Manual page 26

The configuration of PCI Pass-Through is twofold. First, the hypervisor must be in-
formed at boot time that a PCI device should be available for reassigning. Second, the
PCI device must be assigned to the VM Guest.
2.5.1 Configuring the Hypervisor for PCI
1 Select a device to reassign to a VM Guest. To do this run lspci and read the
2 Run YaST > System > Boot Loader.
3 Select the Xen section and press Edit.
4 Add the PCI number to the Optional Kernel Command Line Parameter line:
5 When preparing for fully virtualized guests, add the parameter iommu=1 to
6 Press OK and finish YaST.
7 Reboot the system.
8 Check if the device is in the list of assignable devices with the command
2.5.2 Assigning PCI Devices to VM Guest
There are several possibilities to dedicate a PCI device to a VM Guest:
16 Virtualization with Xen
Pass-Through
device number. For example, if lspci contains the following line:
06:01.0 Ethernet controller: Digital Equipment Corporation DECchip
21142/43 (rev 41)
In this case, the PCI number is (06:01.0).
pciback.hide=(06:01.0)
Additional Xen Hypervisor Parameters.
xm pci-list-assignable-devices
Systems