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-rw-r--r--doc/guides/nics/ena.rst19
1 files changed, 12 insertions, 7 deletions
diff --git a/doc/guides/nics/ena.rst b/doc/guides/nics/ena.rst
index d19912e9..34c48575 100644
--- a/doc/guides/nics/ena.rst
+++ b/doc/guides/nics/ena.rst
@@ -113,10 +113,6 @@ Configuration information
* **CONFIG_RTE_LIBRTE_ENA_PMD** (default y): Enables or disables inclusion
of the ENA PMD driver in the DPDK compilation.
-
- * **CONFIG_RTE_LIBRTE_ENA_DEBUG_INIT** (default y): Enables or disables debug
- logging of device initialization within the ENA PMD driver.
-
* **CONFIG_RTE_LIBRTE_ENA_DEBUG_RX** (default n): Enables or disables debug
logging of RX logic within the ENA PMD driver.
@@ -187,11 +183,20 @@ Prerequisites
-------------
#. Prepare the system as recommended by DPDK suite. This includes environment
- variables, hugepages configuration, tool-chains and configuration
+ variables, hugepages configuration, tool-chains and configuration.
+
+#. ENA PMD can operate with ``vfio-pci`` or ``igb_uio`` driver.
+
+#. Insert ``vfio-pci`` or ``igb_uio`` kernel module using the command
+ ``modprobe vfio-pci`` or ``modprobe igb_uio`` respectively.
+
+#. For ``vfio-pci`` users only:
+ Please make sure that ``IOMMU`` is enabled in your system,
+ or use ``vfio`` driver in ``noiommu`` mode::
-#. Insert igb_uio kernel module using the command 'modprobe igb_uio'
+ echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode
-#. Bind the intended ENA device to igb_uio module
+#. Bind the intended ENA device to ``vfio-pci`` or ``igb_uio`` module.
At this point the system should be ready to run DPDK applications. Once the