Chelsio Communications Chelsio T5 User Manual page 304

XX. Unified Wire Manager (UM)
7.5.10. Xen VF Properties
Here you can view the list of virtual machines and list of available VFs. To assign a VF to a VM,
select the guest name on the left and select the VF to be assigned on the right. You can assign
more than one VF at a time. Finally, click "Assign VF" to add the selected VFs to the hosts.
To enable SR-IOV support, IOMMU must be enabled. To do this, select "Enable" for IOMMU
and then click "Set IOMMU". Reboot the host machine for changes to take effect.
Please ensure that Chelsio Network driver (cxgb4) with Virtual Functions is
Important
enabled in the Driver Details module before attempting to assign VF. Next,
you will have to provide the number of Virtual Functions (VFs) you want to
create for the physical ports. If VFs are not listed, unload the driver, reload it
and create VFs again.
Chelsio T5/T4 Unified Wire For Linux
Figure 7.5.10 (a) – Xen VF Properties module
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