From: Fiona Trahe <fiona.trahe@intel.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH] doc/guides: add more info re VT-d/iommu settings for QAT
Date: Wed, 26 Oct 2016 16:20:24 +0100 [thread overview]
Message-ID: <1477495224-2235-1-git-send-email-fiona.trahe@intel.com> (raw)
add more info re VT-d/iommu settings for QAT
remove limitation re performance tuning
Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
---
doc/guides/cryptodevs/qat.rst | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst
index 70bc2b1..bbe0b12 100644
--- a/doc/guides/cryptodevs/qat.rst
+++ b/doc/guides/cryptodevs/qat.rst
@@ -77,7 +77,6 @@ Limitations
* Hash only is not supported except SNOW 3G UIA2 and KASUMI F9.
* Cipher only is not supported except SNOW 3G UEA2, KASUMI F8 and 3DES.
* Only supports the session-oriented API implementation (session-less APIs are not supported).
-* Not performance tuned.
* SNOW 3G (UEA2) and KASUMI (F8) supported only if cipher length, cipher offset fields are byte-aligned.
* SNOW 3G (UIA2) and KASUMI (F9) supported only if hash length, hash offset fields are byte-aligned.
* No BSD support as BSD QAT kernel driver not available.
@@ -201,7 +200,7 @@ The steps below assume you are:
* Running DPDK on a platform with one ``DH895xCC`` device.
* On a kernel at least version 4.4.
-In BIOS ensure that SRIOV is enabled and VT-d is disabled.
+In BIOS ensure that SRIOV is enabled and either a) disable VT-d or b) enable VT-d and set ``"intel_iommu=on iommu=pt"`` in the grub file.
Ensure the QAT driver is loaded on your system, by executing::
@@ -260,7 +259,7 @@ The steps below assume you are:
* Running DPDK on a platform with one ``C62x`` device.
* On a kernel at least version 4.5.
-In BIOS ensure that SRIOV is enabled and VT-d is disabled.
+In BIOS ensure that SRIOV is enabled and either a) disable VT-d or b) enable VT-d and set ``"intel_iommu=on iommu=pt"`` in the grub file.
Ensure the QAT driver is loaded on your system, by executing::
@@ -304,7 +303,7 @@ The steps below assume you are:
* Running DPDK on a platform with one ``C3xxx`` device.
* On a kernel at least version 4.5.
-In BIOS ensure that SRIOV is enabled and VT-d is disabled.
+In BIOS ensure that SRIOV is enabled and either a) disable VT-d or b) enable VT-d and set ``"intel_iommu=on iommu=pt"`` in the grub file.
Ensure the QAT driver is loaded on your system, by executing::
--
2.5.0
next reply other threads:[~2016-10-26 15:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-26 15:20 Fiona Trahe [this message]
2016-10-26 15:27 ` Thomas Monjalon
2016-10-26 16:50 ` Trahe, Fiona
2016-10-26 16:59 ` Thomas Monjalon
2016-10-26 17:23 ` [dpdk-dev] [PATCH v2] doc/guides: add more info about VT-d/iommu settings Fiona Trahe
2016-11-02 13:00 ` Kusztal, ArkadiuszX
2016-11-07 21:04 ` Thomas Monjalon
2016-10-26 17:38 ` [dpdk-dev] [PATCH] doc/guides: add more info re VT-d/iommu settings for QAT Jain, Deepak K
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