From patchwork Fri Aug 10 14:10:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Trahe X-Patchwork-Id: 43671 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id EAFDC2BF4; Fri, 10 Aug 2018 16:11:09 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 646AA2BF1 for ; Fri, 10 Aug 2018 16:11:08 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Aug 2018 07:11:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,219,1531810800"; d="scan'208";a="82324132" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga002.jf.intel.com with ESMTP; 10 Aug 2018 07:11:06 -0700 From: Fiona Trahe To: dev@dpdk.org, pablo.de.lara.guarch@intel.com, tomaszx.jozwiak@intel.com, thomas@monjalon.net Cc: fiona.trahe@intel.com Date: Fri, 10 Aug 2018 15:10:48 +0100 Message-Id: <1533910253-29652-2-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> References: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> Subject: [dpdk-dev] [PATCH v3 1/6] doc/qat: add limitations to compressdev PMD X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add 2 missing limitations to QAT compressdev documentation Signed-off-by: Fiona Trahe Signed-off-by: Fiona Trahe Acked-by: tomaszx.jozwiak@intel.com --- doc/guides/compressdevs/qat_comp.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/doc/guides/compressdevs/qat_comp.rst b/doc/guides/compressdevs/qat_comp.rst index 8b1270b70..b45f4a626 100644 --- a/doc/guides/compressdevs/qat_comp.rst +++ b/doc/guides/compressdevs/qat_comp.rst @@ -36,8 +36,10 @@ Limitations ----------- * Compressdev level 0, no compression, is not supported. - * Dynamic Huffman encoding is not yet supported. +* Queue pairs are not thread-safe (that is, within a single queue pair, RX and TX from different lcores is not supported). +* No BSD support as BSD QAT kernel driver not available. + Installation ------------ From patchwork Fri Aug 10 14:10:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Trahe X-Patchwork-Id: 43672 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9339D2C39; Fri, 10 Aug 2018 16:11:12 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id E8B6F2BF1 for ; Fri, 10 Aug 2018 16:11:09 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Aug 2018 07:11:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,219,1531810800"; d="scan'208";a="82324144" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga002.jf.intel.com with ESMTP; 10 Aug 2018 07:11:07 -0700 From: Fiona Trahe To: dev@dpdk.org, pablo.de.lara.guarch@intel.com, tomaszx.jozwiak@intel.com, thomas@monjalon.net Cc: fiona.trahe@intel.com Date: Fri, 10 Aug 2018 15:10:49 +0100 Message-Id: <1533910253-29652-3-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> References: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> Subject: [dpdk-dev] [PATCH v3 2/6] doc/qat: add information on how to test X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add section to common QAT part of doc about which tests can be used to exercise QAT compress and crypto PMDS Signed-off-by: Fiona Trahe Signed-off-by: Fiona Trahe Acked-by: tomaszx.jozwiak@intel.com --- doc/guides/cryptodevs/qat.rst | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index bdc58eb2c..7df49ca44 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -438,6 +438,26 @@ Another way to bind the VFs to the DPDK UIO driver is by using the cd to the top-level DPDK directory ./usertools/dpdk-devbind.py -b igb_uio 0000:03:01.1 +Testing +~~~~~~~ + +QAT crypto PMD can be tested by running the test application:: + + make defconfig + make test-build -j + cd ./build/app + ./test -l1 -n1 -w + RTE>>cryptodev_qat_autotest + +QAT compression PMD can be tested by running the test application:: + + make defconfig + sed -i 's,\(CONFIG_RTE_COMPRESSDEV_TEST\)=n,\1=y,' build/.config + make test-build -j + cd ./build/app + ./test -l1 -n1 -w + RTE>>compressdev_autotest + Debugging ---------------------------------------- From patchwork Fri Aug 10 14:10:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Trahe X-Patchwork-Id: 43673 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7FE00343C; Fri, 10 Aug 2018 16:11:14 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 381042C24 for ; Fri, 10 Aug 2018 16:11:11 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Aug 2018 07:11:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,219,1531810800"; d="scan'208";a="82324162" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga002.jf.intel.com with ESMTP; 10 Aug 2018 07:11:09 -0700 From: Fiona Trahe To: dev@dpdk.org, pablo.de.lara.guarch@intel.com, tomaszx.jozwiak@intel.com, thomas@monjalon.net Cc: fiona.trahe@intel.com Date: Fri, 10 Aug 2018 15:10:50 +0100 Message-Id: <1533910253-29652-4-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> References: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> Subject: [dpdk-dev] [PATCH v3 3/6] doc/qat: fix typos and make cosmetic changes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Fiona Trahe Signed-off-by: Fiona Trahe Acked-by: tomaszx.jozwiak@intel.com --- doc/guides/cryptodevs/qat.rst | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index 7df49ca44..17b313c9d 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -72,17 +72,18 @@ Extra notes on KASUMI F9 ------------------------ When using KASUMI F9 authentication algorithm, the input buffer must be -constructed according to the 3GPP KASUMI specifications (section 4.4, page 13): -``_. -Input buffer has to have COUNT (4 bytes), FRESH (4 bytes), MESSAGE and DIRECTION (1 bit) -concatenated. After the DIRECTION bit, a single '1' bit is appended, followed by -between 0 and 7 '0' bits, so that the total length of the buffer is multiple of 8 bits. -Note that the actual message can be any length, specified in bits. +constructed according to the +`3GPP KASUMI specification `_ +(section 4.4, page 13). The input buffer has to have COUNT (4 bytes), +FRESH (4 bytes), MESSAGE and DIRECTION (1 bit) concatenated. After the DIRECTION +bit, a single '1' bit is appended, followed by between 0 and 7 '0' bits, so that +the total length of the buffer is multiple of 8 bits. Note that the actual +message can be any length, specified in bits. Once this buffer is passed this way, when creating the crypto operation, -length of data to authenticate (op.sym.auth.data.length) must be the length +length of data to authenticate "op.sym.auth.data.length" must be the length of all the items described above, including the padding at the end. -Also, offset of data to authenticate (op.sym.auth.data.offset) +Also, offset of data to authenticate "op.sym.auth.data.offset" must be such that points at the start of the COUNT bytes. @@ -142,19 +143,19 @@ Device and driver naming ------------------------ * The qat cryptodev driver name is "crypto_qat". - The rte_cryptodev_devices_get() returns the devices exposed by this driver. + The "rte_cryptodev_devices_get()" returns the devices exposed by this driver. * Each qat crypto device has a unique name, in format - _, e.g. "0000:41:01.0_qat_sym". - This name can be passed to rte_cryptodev_get_dev_id() to get the device_id. + "_", e.g. "0000:41:01.0_qat_sym". + This name can be passed to "rte_cryptodev_get_dev_id()" to get the device_id. .. Note:: - The qat crypto driver name is passed to the dpdk-test-crypto-perf tool in the -devtype parameter. + The qat crypto driver name is passed to the dpdk-test-crypto-perf tool in the "-devtype" parameter. The qat crypto device name is in the format of the slave parameter passed to the crypto scheduler. -* The qat compressdev driver name is "comp_qat". +* The qat compressdev driver name is "qat". The rte_compressdev_devices_get() returns the devices exposed by this driver. * Each qat compression device has a unique name, in format @@ -166,7 +167,7 @@ Available kernel drivers ------------------------ Kernel drivers for each device are listed in the following table. Scroll right -to check that the driver and device supports the servic you require. +to check that the driver and device supports the service you require. .. _table_qat_pmds_drivers: From patchwork Fri Aug 10 14:10:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Trahe X-Patchwork-Id: 43674 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3CC6537B4; Fri, 10 Aug 2018 16:11:16 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id C342A3238 for ; Fri, 10 Aug 2018 16:11:12 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Aug 2018 07:11:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,219,1531810800"; d="scan'208";a="82324188" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga002.jf.intel.com with ESMTP; 10 Aug 2018 07:11:10 -0700 From: Fiona Trahe To: dev@dpdk.org, pablo.de.lara.guarch@intel.com, tomaszx.jozwiak@intel.com, thomas@monjalon.net Cc: fiona.trahe@intel.com Date: Fri, 10 Aug 2018 15:10:51 +0100 Message-Id: <1533910253-29652-5-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> References: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> Subject: [dpdk-dev] [PATCH v3 4/6] doc/qat: add overview of doc sections X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add overview of QAT doc sections and link between them. Indent to next level all sections within the crypto and common sections. Signed-off-by: Fiona Trahe Signed-off-by: Fiona Trahe Acked-by: tomaszx.jozwiak@intel.com --- doc/guides/compressdevs/qat_comp.rst | 2 +- doc/guides/cryptodevs/qat.rst | 46 +++++++++++++++++++++++------------- 2 files changed, 31 insertions(+), 17 deletions(-) diff --git a/doc/guides/compressdevs/qat_comp.rst b/doc/guides/compressdevs/qat_comp.rst index b45f4a626..7bffbe6ff 100644 --- a/doc/guides/compressdevs/qat_comp.rst +++ b/doc/guides/compressdevs/qat_comp.rst @@ -46,4 +46,4 @@ Installation The QAT compression PMD is built by default with a standard DPDK build. -It depends on a QAT kernel driver, see :ref:`qat_kernel_installation`. +It depends on a QAT kernel driver, see :ref:`building_qat`. diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index 17b313c9d..28bafa1f8 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -4,7 +4,19 @@ Intel(R) QuickAssist (QAT) Crypto Poll Mode Driver ================================================== -The QAT PMD provides poll mode crypto driver support for the following +QAT documentation consists of three parts: + +* Details of the symmetric crypto service below. +* Details of the `compression service `_ + in the compressdev drivers section. +* Details of building the common QAT infrastructure and the PMDs to support the + above services. See :ref:`building_qat` below. + + +Symmetric Crypto Service on QAT +------------------------------- + +The QAT crypto PMD provides poll mode crypto driver support for the following hardware accelerator devices: * ``Intel QuickAssist Technology DH895xCC`` @@ -14,7 +26,7 @@ hardware accelerator devices: Features --------- +~~~~~~~~ The QAT PMD has support for: @@ -57,7 +69,7 @@ Supported AEAD algorithms: Limitations ------------ +~~~~~~~~~~~ * Only supports the session-oriented API implementation (session-less APIs are not supported). * SNOW 3G (UEA2), KASUMI (F8) and ZUC (EEA3) supported only if cipher length and offset fields are byte-multiple. @@ -69,7 +81,7 @@ Limitations Extra notes on KASUMI F9 ------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~ When using KASUMI F9 authentication algorithm, the input buffer must be constructed according to the @@ -87,9 +99,11 @@ Also, offset of data to authenticate "op.sym.auth.data.offset" must be such that points at the start of the COUNT bytes. -Building the DPDK QAT cryptodev PMD ------------------------------------ +.. _building_qat: + +Building PMDs on QAT +-------------------- To enable QAT crypto in DPDK, follow the instructions for modifying the compile-time configuration file as described `here `_. @@ -140,7 +154,7 @@ devices to applications. Device and driver naming ------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~ * The qat cryptodev driver name is "crypto_qat". The "rte_cryptodev_devices_get()" returns the devices exposed by this driver. @@ -164,7 +178,7 @@ Device and driver naming Available kernel drivers ------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~ Kernel drivers for each device are listed in the following table. Scroll right to check that the driver and device supports the service you require. @@ -204,7 +218,7 @@ If you are running on a kernel which includes a driver for your device, see Installation using kernel.org driver ------------------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The examples below are based on the C62x device, if you have a different device use the corresponding values in the above table. @@ -275,7 +289,7 @@ To complete the installation follow the instructions in Installation using 01.org QAT driver ------------------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Download the latest QuickAssist Technology Driver from `01.org `_. @@ -369,12 +383,12 @@ To complete the installation - follow instructions in `Binding the available VFs Binding the available VFs to the DPDK UIO driver ------------------------------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Unbind the VFs from the stock driver so they can be bound to the uio driver. For an Intel(R) QuickAssist Technology DH895xCC device -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The unbind command below assumes ``BDFs`` of ``03:01.00-03:04.07``, if your VFs are different adjust the unbind command below:: @@ -387,7 +401,7 @@ VFs are different adjust the unbind command below:: done For an Intel(R) QuickAssist Technology C62x device -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The unbind command below assumes ``BDFs`` of ``1a:01.00-1a:02.07``, ``3d:01.00-3d:02.07`` and ``3f:01.00-3f:02.07``, if your VFs are different @@ -407,7 +421,7 @@ adjust the unbind command below:: done For Intel(R) QuickAssist Technology C3xxx or D15xx device -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The unbind command below assumes ``BDFs`` of ``01:01.00-01:02.07``, if your VFs are different adjust the unbind command below:: @@ -420,7 +434,7 @@ VFs are different adjust the unbind command below:: done Bind to the DPDK uio driver -~~~~~~~~~~~~~~~~~~~~~~~~~~~ +^^^^^^^^^^^^^^^^^^^^^^^^^^^ Install the DPDK igb_uio driver, bind the VF PCI Device id to it and use lspci to confirm the VF devices are now in use by igb_uio kernel driver, @@ -461,7 +475,7 @@ QAT compression PMD can be tested by running the test application:: Debugging ----------------------------------------- +~~~~~~~~~ There are 2 sets of trace available via the dynamic logging feature: From patchwork Fri Aug 10 14:10:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Trahe X-Patchwork-Id: 43675 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 48EBA4B4B; Fri, 10 Aug 2018 16:11:18 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 6C02E3250 for ; Fri, 10 Aug 2018 16:11:14 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Aug 2018 07:11:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,219,1531810800"; d="scan'208";a="82324192" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga002.jf.intel.com with ESMTP; 10 Aug 2018 07:11:12 -0700 From: Fiona Trahe To: dev@dpdk.org, pablo.de.lara.guarch@intel.com, tomaszx.jozwiak@intel.com, thomas@monjalon.net Cc: fiona.trahe@intel.com Date: Fri, 10 Aug 2018 15:10:52 +0100 Message-Id: <1533910253-29652-6-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> References: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> Subject: [dpdk-dev] [PATCH v3 5/6] doc/qat: update build instructions for both PMDs X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Update PMD build section. Linked to kernel dependency section and refactored text between those 2 sections. Signed-off-by: Fiona Trahe Signed-off-by: Fiona Trahe Acked-by: tomaszx.jozwiak@intel.com --- doc/guides/cryptodevs/qat.rst | 81 ++++++++++++++++++++++++++----------------- 1 file changed, 49 insertions(+), 32 deletions(-) diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index 28bafa1f8..a352dabcd 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -105,51 +105,41 @@ must be such that points at the start of the COUNT bytes. Building PMDs on QAT -------------------- -To enable QAT crypto in DPDK, follow the instructions for modifying the compile-time -configuration file as described `here `_. +A QAT device can host multiple acceleration services: +* symmetric cryptography +* data compression -Quick instructions are as follows: - -.. code-block:: console - - cd to the top-level DPDK directory - make config T=x86_64-native-linuxapp-gcc - sed -i 's,\(CONFIG_RTE_LIBRTE_PMD_QAT\)=n,\1=y,' build/.config - sed -i 's,\(CONFIG_RTE_LIBRTE_PMD_QAT_SYM\)=n,\1=y,' build/.config - make +These services are provided to DPDK applications via PMDs which register to +implement the corresponding cryptodev and compressdev APIs. The PMDs use +common QAT driver code which manages the QAT PCI device. They also depend on a +QAT kernel driver being installed on the platform, see :ref:`qat_kernel` below. -.. _qat_kernel_installation: +Configuring and Building the DPDK QAT PMDs +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -Dependency on the QAT kernel driver ------------------------------------ -To use the QAT PMD an SRIOV-enabled QAT kernel driver is required. The VF -devices created and initialised by this driver will be used by the QAT PMD. +Further information on configuring, building and installing DPDK is described +`here `_. -Instructions for installation are below, but first an explanation of the -relationships between the PF/VF devices and the PMDs visible to -DPDK applications. +Quick instructions for QAT cryptodev PMD are as follows: -Acceleration services - cryptography and compression - are provided to DPDK -applications via PMDs which register to implement the corresponding -cryptodev and compressdev APIs. +.. code-block:: console -Each QuickAssist VF device can expose one cryptodev PMD and/or one compressdev PMD. -These QAT PMDs share the same underlying device and pci-mgmt code, but are -enumerated independently on their respective APIs and appear as independent -devices to applications. + cd to the top-level DPDK directory + make defconfig + sed -i 's,\(CONFIG_RTE_LIBRTE_PMD_QAT_SYM\)=n,\1=y,' build/.config + make -.. Note:: +Quick instructions for QAT compressdev PMD are as follows: - Each VF can only be used by one DPDK process. It is not possible to share - the same VF across multiple processes, even if these processes are using - different acceleration services. +.. code-block:: console - Conversely one DPDK process can use one or more QAT VFs and can expose both - cryptodev and compressdev instances on each of those VFs. + cd to the top-level DPDK directory + make defconfig + make @@ -176,6 +166,33 @@ Device and driver naming _, e.g. "0000:41:01.0_qat_comp". This name can be passed to rte_compressdev_get_dev_id() to get the device_id. +.. _qat_kernel: + +Dependency on the QAT kernel driver +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +To use QAT an SRIOV-enabled QAT kernel driver is required. The VF +devices created and initialised by this driver will be used by the QAT PMDs. + +Instructions for installation are below, but first an explanation of the +relationships between the PF/VF devices and the PMDs visible to +DPDK applications. + +Each QuickAssist PF device exposes a number of VF devices. Each VF device can +enable one cryptodev PMD and/or one compressdev PMD. +These QAT PMDs share the same underlying device and pci-mgmt code, but are +enumerated independently on their respective APIs and appear as independent +devices to applications. + +.. Note:: + + Each VF can only be used by one DPDK process. It is not possible to share + the same VF across multiple processes, even if these processes are using + different acceleration services. + + Conversely one DPDK process can use one or more QAT VFs and can expose both + cryptodev and compressdev instances on each of those VFs. + Available kernel drivers ~~~~~~~~~~~~~~~~~~~~~~~~ From patchwork Fri Aug 10 14:10:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fiona Trahe X-Patchwork-Id: 43676 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A49A847CD; Fri, 10 Aug 2018 16:11:21 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 73E034C74 for ; Fri, 10 Aug 2018 16:11:20 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Aug 2018 07:11:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,219,1531810800"; d="scan'208";a="82324201" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by orsmga002.jf.intel.com with ESMTP; 10 Aug 2018 07:11:14 -0700 From: Fiona Trahe To: dev@dpdk.org, pablo.de.lara.guarch@intel.com, tomaszx.jozwiak@intel.com, thomas@monjalon.net Cc: fiona.trahe@intel.com Date: Fri, 10 Aug 2018 15:10:53 +0100 Message-Id: <1533910253-29652-7-git-send-email-fiona.trahe@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> References: <1533833430-29134-8-git-send-email-fiona.trahe@intel.com> Subject: [dpdk-dev] [PATCH v3 6/6] doc/qat: describe build config options X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Added description of the build configuration options for QAT. Signed-off-by: Fiona Trahe Signed-off-by: Fiona Trahe Acked-by: tomaszx.jozwiak@intel.com --- doc/guides/cryptodevs/qat.rst | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index a352dabcd..67b84b3e2 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -142,6 +142,37 @@ Quick instructions for QAT compressdev PMD are as follows: make +Build Configuration +~~~~~~~~~~~~~~~~~~~ + +These are the build configuration options affecting QAT, and their default values: + +.. code-block:: console + + CONFIG_RTE_LIBRTE_PMD_QAT=y + CONFIG_RTE_LIBRTE_PMD_QAT_SYM=n + CONFIG_RTE_PMD_QAT_MAX_PCI_DEVICES=48 + CONFIG_RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS=16 + +CONFIG_RTE_LIBRTE_PMD_QAT must be enabled for any QAT PMD to be built. + +The QAT cryptodev PMD has an external dependency on libcrypto, so is not +built by default. CONFIG_RTE_LIBRTE_PMD_QAT_SYM should be enabled to build it. + +The QAT compressdev PMD has no external dependencies, so needs no configuration +options and is built by default. + +The number of VFs per PF varies - see table below. If multiple QAT packages are +installed on a platform then CONFIG_RTE_PMD_QAT_MAX_PCI_DEVICES should be +adjusted to the number of VFs which the QAT common code will need to handle. +Note, there is a separate config item for max cryptodevs CONFIG_RTE_CRYPTO_MAX_DEVS, +if necessary this should be adjusted to handle the total of QAT and other devices +which the process will use. + +QAT allocates internal structures to handle SGLs. For the compression service +CONFIG_RTE_PMD_QAT_COMP_SGL_MAX_SEGMENTS can be changed if more segments are needed. +An extra (max_inflight_ops x 16) bytes per queue_pair will be used for every increment. + Device and driver naming ~~~~~~~~~~~~~~~~~~~~~~~~