From: Rafal Kozik <rk@semihalf.com>
To: dev@dpdk.org
Cc: mw@semihalf.com, mk@semihalf.com, gtzalik@amazon.com,
evgenys@amazon.com, matua@amazon.com, igorch@amazon.com,
ferruh.yigit@intel.com, john.mcnamara@intel.com,
marko.kovacevic@intel.com, zorik@amazon.com,
Rafal Kozik <rk@semihalf.com>,
stable@dpdk.org
Subject: [PATCH] doc: update for ENA supported drivers
Date: Fri, 5 Oct 2018 11:02:53 +0200 [thread overview]
Message-ID: <1538730173-7444-1-git-send-email-rk@semihalf.com> (raw)
Add instruction how to bind ENA to VFIO-PCI driver.
Fixes: cf8a122c296a ("ena: introduce documentation")
Cc: stable@dpdk.org
Signed-off-by: Zorik Machulsky <zorik@amazon.com>
Signed-off-by: Rafal Kozik <rk@semihalf.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
---
doc/guides/nics/ena.rst | 12 +++++++++---
doc/guides/nics/features/ena.ini | 1 +
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/doc/guides/nics/ena.rst b/doc/guides/nics/ena.rst
index d19912e..0dfefc6 100644
--- a/doc/guides/nics/ena.rst
+++ b/doc/guides/nics/ena.rst
@@ -187,11 +187,17 @@ 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.
-#. Insert igb_uio kernel module using the command 'modprobe igb_uio'
+#. ENA PMD can operate with vfio-pci or igb_uio driver.
-#. Bind the intended ENA device to igb_uio module
+#. Insert vfio-pci or igb_uio kernel module using the command
+ 'modprobe vfio-pci' or 'modprobe igb_uio' respectively.
+
+#. If vfio-pci driver is used please make sure noiommu mode is enabled:
+ echo 1 > /sys/module/vfio/parameters/enable_unsafe_noiommu_mode
+
+#. 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
diff --git a/doc/guides/nics/features/ena.ini b/doc/guides/nics/features/ena.ini
index 691c1e3..aa6f05a 100644
--- a/doc/guides/nics/features/ena.ini
+++ b/doc/guides/nics/features/ena.ini
@@ -23,5 +23,6 @@ Inner L4 checksum = Y
Basic stats = Y
Extended stats = Y
Linux UIO = Y
+Linux VFIO = Y
x86-32 = Y
x86-64 = Y
--
2.7.4
next reply other threads:[~2018-10-05 9:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-05 9:02 Rafal Kozik [this message]
2018-10-09 10:56 ` [PATCH] doc: update for ENA supported drivers Ferruh Yigit
2018-10-10 12:04 ` Rafał Kozik
2018-10-10 12:08 ` [PATCH v2] " Rafal Kozik
2018-10-11 10:37 ` Ferruh Yigit
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