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-rwxr-xr-xdocs/userguide/testusage.rst37
1 files changed, 37 insertions, 0 deletions
diff --git a/docs/userguide/testusage.rst b/docs/userguide/testusage.rst
index c1f02843..098a9d95 100755
--- a/docs/userguide/testusage.rst
+++ b/docs/userguide/testusage.rst
@@ -309,6 +309,43 @@ To run tests using Vanilla OVS:
$ ./vsperf --conf-file<path_to_custom_conf>/10_custom.conf
+Using vfio_pci with DPDK
+^^^^^^^^^^^^^^^^^^^^^^^^^
+
+To use vfio with DPDK instead of igb_uio edit 'conf/02_vswitch.conf'
+with the following parameters:
+
+.. code-block:: console
+
+ DPDK_MODULES = [
+ ('vfio-pci'),
+ ]
+ SYS_MODULES = ['cuse']
+
+**NOTE:** Please ensure that Intel VT-d is enabled in BIOS.
+
+**NOTE:** Please ensure your boot/grub parameters include
+the following:
+
+.. code-block:: console
+
+ iommu=pt intel_iommu=on
+
+To check that IOMMU is enabled on your platform:
+
+.. code-block:: console
+
+ $ dmesg | grep IOMMU
+ [ 0.000000] Intel-IOMMU: enabled
+ [ 0.139882] dmar: IOMMU 0: reg_base_addr fbffe000 ver 1:0 cap d2078c106f0466 ecap f020de
+ [ 0.139888] dmar: IOMMU 1: reg_base_addr ebffc000 ver 1:0 cap d2078c106f0466 ecap f020de
+ [ 0.139893] IOAPIC id 2 under DRHD base 0xfbffe000 IOMMU 0
+ [ 0.139894] IOAPIC id 0 under DRHD base 0xebffc000 IOMMU 1
+ [ 0.139895] IOAPIC id 1 under DRHD base 0xebffc000 IOMMU 1
+ [ 3.335744] IOMMU: dmar0 using Queued invalidation
+ [ 3.335746] IOMMU: dmar1 using Queued invalidation
+ ....
+
Selection of loopback application for PVP and PVVP tests
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^