From: Santosh Shukla Date: Tue, 7 Nov 2017 06:59:33 +0000 (+0530) Subject: doc: add octeontx mempool guide X-Git-Tag: spdx-start~840 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=48191dde6acf;p=dpdk.git doc: add octeontx mempool guide This commit adds a section to the docs listing the mempool device PMDs available. It then adds the octeontx fpavf mempool PMD to the listed mempool devices. Signed-off-by: Santosh Shukla Acked-by: John McNamara --- diff --git a/doc/guides/index.rst b/doc/guides/index.rst index 91a7ebf189..f924a7cbb4 100644 --- a/doc/guides/index.rst +++ b/doc/guides/index.rst @@ -44,6 +44,7 @@ DPDK documentation nics/index cryptodevs/index eventdevs/index + mempool/index platform/index contributing/index rel_notes/index diff --git a/doc/guides/mempool/index.rst b/doc/guides/mempool/index.rst new file mode 100644 index 0000000000..b3c8e7f025 --- /dev/null +++ b/doc/guides/mempool/index.rst @@ -0,0 +1,40 @@ +.. BSD LICENSE + Copyright(c) 2017 Cavium Inc. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Cavium Inc nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +Mempool Device Driver +===================== + +The following are a list of mempool PMDs, which can be used from an +application through the mempool API. + +.. toctree:: + :maxdepth: 2 + :numbered: + + octeontx diff --git a/doc/guides/mempool/octeontx.rst b/doc/guides/mempool/octeontx.rst new file mode 100644 index 0000000000..b262c8233b --- /dev/null +++ b/doc/guides/mempool/octeontx.rst @@ -0,0 +1,104 @@ +.. BSD LICENSE + Copyright (C) Cavium, Inc. 2017. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Cavium, Inc nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +OCTEONTX FPAVF Mempool Driver +============================= + +The OCTEONTX FPAVF PMD (**librte_mempool_octeontx**) is a mempool +driver for offload mempool device found in **Cavium OCTEONTX** SoC +family. + +More information can be found at `Cavium, Inc Official Website +`_. + +Features +-------- + +Features of the OCTEONTX FPAVF PMD are: + +- 32 SR-IOV Virtual functions +- 32 Pools +- HW mempool manager + +Supported OCTEONTX SoCs +----------------------- + +- CN83xx + +Prerequisites +------------- + +See :doc: `../platform/octeontx.rst` for setup information. + +Pre-Installation Configuration +------------------------------ + +Config File Options +~~~~~~~~~~~~~~~~~~~ + +The following options can be modified in the ``config`` file. +Please note that enabling debugging options may affect system performance. + +- ``CONFIG_RTE_MBUF_DEFAULT_MEMPOOL_OPS`` ( set to ``octeontx_fpavf``) + + Set default mempool ops to octeontx_fpavf. + +- ``CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL`` (default ``y``) + + Toggle compilation of the ``librte_mempool_octeontx`` driver. + +- ``CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL_DEBUG`` (default ``n``) + + Toggle display of generic debugging messages + +Driver Compilation +~~~~~~~~~~~~~~~~~~ + +To compile the OCTEONTX FPAVF MEMPOOL PMD for Linux arm64 gcc target, run the +following ``make`` command: + +.. code-block:: console + + cd + make config T=arm64-thunderx-linuxapp-gcc test-build + + +Initialization +-------------- + +The octeontx fpavf mempool initialization similar to other mempool +drivers like ring. However user need to pass --base-virtaddr as +command line input to application example test_mempool.c application. + +Example: + +.. code-block:: console + + ./build/app/test -c 0xf --base-virtaddr=0x100000000000 \ + --mbuf-pool-ops-name="octeontx_fpavf" diff --git a/doc/guides/platform/octeontx.rst b/doc/guides/platform/octeontx.rst index 34c033964b..fb708cafb5 100644 --- a/doc/guides/platform/octeontx.rst +++ b/doc/guides/platform/octeontx.rst @@ -45,6 +45,10 @@ Common Offload HW Block Drivers See :doc: `../eventdevs/octeontx.rst` for octeontx ssovf eventdev driver information. +2. **Mempool Driver** + See :doc: `../mempool/octeontx.rst` for octeontx fpavf mempool driver + information. + Steps To Setup Platform -----------------------