From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <fiona.trahe@intel.com> Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id B3B00BB86 for <dev@dpdk.org>; Wed, 26 Oct 2016 17:20:45 +0200 (CEST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP; 26 Oct 2016 08:20:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,551,1473145200"; d="scan'208";a="894240454" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga003.jf.intel.com with ESMTP; 26 Oct 2016 08:20:43 -0700 From: Fiona Trahe <fiona.trahe@intel.com> To: dev@dpdk.org Date: Wed, 26 Oct 2016 16:20:24 +0100 Message-Id: <1477495224-2235-1-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 Subject: [dpdk-dev] [PATCH] doc/guides: add more info re VT-d/iommu settings for QAT X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Wed, 26 Oct 2016 15:20:46 -0000 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