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+; Refer to default.ini for the full list of available PMD features. +; +; Supported features of 'OCTEONTX ZIP' compression driver. +; +[Features] +HW Accelerated = Y +CPU SSE = +CPU AVX = +CPU AVX2 = +CPU AVX512 = +CPU NEON = +Stateful = +By-Pass = +Chained mbufs = +Deflate = Y +LZS = +Adler32 = +Crc32 = +Adler32&Crc32 = +Fixed = Y +Dynamic = Y diff --git a/doc/guides/compressdevs/index.rst b/doc/guides/compressdevs/index.rst index bc59ce810..cb467ab90 100644 --- a/doc/guides/compressdevs/index.rst +++ b/doc/guides/compressdevs/index.rst @@ -11,3 +11,4 @@ Compression Device Drivers overview isal + octeontx diff --git a/doc/guides/compressdevs/octeontx.rst b/doc/guides/compressdevs/octeontx.rst new file mode 100644 index 000000000..6ad5e31ce --- /dev/null +++ b/doc/guides/compressdevs/octeontx.rst @@ -0,0 +1,116 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(c) 2018 Cavium Networks. + +Octeontx ZIP Compression Poll Mode Driver +========================================= + +The Octeontx ZIP PMD (**librte_pmd_octeontx_zip**) provides poll mode +compression & decompression driver for ZIP HW offload device, found in +**Cavium OCTEONTX** SoC family. + +More information can be found at `Cavium, Inc Official Website +`_. + +Features +-------- + +Octeontx ZIP PMD has support for: + +Compression/Decompression algorithm: + +* DEFLATE + +Huffman code type: + +* FIXED +* DYNAMIC + +Window size support: + +* 32K + +Limitations +----------- + +* Chained mbufs are not supported. + +Supported OCTEONTX SoCs +----------------------- + +- CN83xx + +Steps To Setup Platform +----------------------- + + Octeontx SDK includes kernel image which provides Octeontx ZIP PF + driver to manage the Physical Function of Octeontx ZIP device. + Required version of SDK is "OCTEONTX-SDK-6.2.0-build35" or above. + + SDK can be install by using below command. + #rpm -ivh CTEONTX-SDK-6.2.0-build35.x86_64.rpm --force --nodeps + It will install OCTEONTX-SDK at following default location + /usr/local/Cavium_Networks/OCTEONTX-SDK/ + + For more information on building and booting linux kernel on OCTEONTX + please refer /usr/local/Cavium_Networks/OCTEONTX-SDK/docs/OcteonTX-SDK-UG_6.2.0.pdf. + + SDK and related information can be obtained from: `Cavium support site `_. + +Installation +------------ + +Config File Options +~~~~~~~~~~~~~~~~~~~ + +The following options can be modified in the ``config`` file. + +- ``CONFIG_RTE_LIBRTE_PMD_OCTEONTX_ZIPVF`` (default ``y``) + + Toggle compilation of the ``librte_pmd_octeontx_zip`` driver. + +Driver Compilation +~~~~~~~~~~~~~~~~~~ + +To compile the OCTEONTX ZIP PMD for Linux arm64 gcc target, run the +following ``make`` command: + +.. code-block:: console + + cd + make config T=arm64-thunderx-linuxapp-gcc install + + +Initialization +-------------- + +The octeontx zip is exposed as pci device which consists of a set of +PCIe VF devices. On EAL initialization, ZIP PCIe VF devices will be +probed. To use the PMD in an application, user must: + +* run dev_bind script to bind eight ZIP PCIe VFs to the ``vfio-pci`` driver: + + .. code-block:: console + + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:00.1 + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:00.2 + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:00.3 + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:00.4 + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:00.5 + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:00.6 + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:00.7 + ./usertools/dpdk-devbind.py -b vfio-pci 0001:04:01.0 + +The unit test cases can be tested as below: + +.. code-block:: console + + reserve enough huge pages + cd to the top-level DPDK directory + export RTE_TARGET=arm64-thunderx-linuxapp-gcc + export RTE_SDK=`pwd` + cd to test/test + type the command "make" to compile + run the tests with "./test" + type the command "compressdev_autotest" to test + +