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,
john.mcnamara@intel.com, ferruh.yigit@intel.com,
marko.kovacevic@intel.com, zorik@amazon.com,
Rafal Kozik <rk@semihalf.com>,
stable@dpdk.org
Subject: [dpdk-stable] [PATCH v2] doc: update for ENA supported drivers
Date: Wed, 10 Oct 2018 14:08:15 +0200 [thread overview]
Message-ID: <1539173295-11503-1-git-send-email-rk@semihalf.com> (raw)
In-Reply-To: <CAMG3L49DXDJwZAOyAw5HFj-=Zphts40B-pCBsG=GYX2Lo2cHTw@mail.gmail.com>
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>
---
v2:
Describe cases with and without IOMMU.
---
doc/guides/nics/ena.rst | 14 +++++++++++---
doc/guides/nics/features/ena.ini | 1 +
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/doc/guides/nics/ena.rst b/doc/guides/nics/ena.rst
index d19912e..77399f4 100644
--- a/doc/guides/nics/ena.rst
+++ b/doc/guides/nics/ena.rst
@@ -187,11 +187,19 @@ 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.
+
+#. For VFIO-PCI users only:
+ Please make sure that IOMMU is enabled in your system,
+ or use VFIO driver in noiommu mode:
+ 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 prev parent reply other threads:[~2018-10-10 12:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-05 9:02 [dpdk-stable] [PATCH] " Rafal Kozik
2018-10-09 10:56 ` Ferruh Yigit
2018-10-10 12:04 ` Rafał Kozik
2018-10-10 12:08 ` Rafal Kozik [this message]
2018-10-11 10:37 ` [dpdk-stable] [dpdk-dev] [PATCH v2] " Ferruh Yigit
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1539173295-11503-1-git-send-email-rk@semihalf.com \
--to=rk@semihalf.com \
--cc=dev@dpdk.org \
--cc=evgenys@amazon.com \
--cc=ferruh.yigit@intel.com \
--cc=gtzalik@amazon.com \
--cc=igorch@amazon.com \
--cc=john.mcnamara@intel.com \
--cc=marko.kovacevic@intel.com \
--cc=matua@amazon.com \
--cc=mk@semihalf.com \
--cc=mw@semihalf.com \
--cc=stable@dpdk.org \
--cc=zorik@amazon.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).