X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Feventdevs%2Focteontx.rst;h=79cae9f7d9a75a173693f88a4d1c01eb231810c4;hb=aa8bea0e3455;hp=e276fd44094e492bd0fdcaf4f8a310da1e9c0101;hpb=95a6b04f7dddefd3b2ee664c758b48ae0d15a26f;p=dpdk.git diff --git a/doc/guides/eventdevs/octeontx.rst b/doc/guides/eventdevs/octeontx.rst index e276fd4409..79cae9f7d9 100644 --- a/doc/guides/eventdevs/octeontx.rst +++ b/doc/guides/eventdevs/octeontx.rst @@ -4,7 +4,7 @@ OCTEON TX SSOVF Eventdev Driver =============================== -The OCTEON TX SSOVF PMD (**librte_pmd_octeontx_ssovf**) provides poll mode +The OCTEON TX SSOVF PMD (**librte_event_octeontx**) provides poll mode eventdev driver support for the inbuilt event device found in the **Cavium OCTEON TX** SoC family as well as their virtual functions (VF) in SR-IOV context. @@ -41,30 +41,6 @@ Prerequisites See :doc:`../platform/octeontx` 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_LIBRTE_PMD_OCTEONTX_SSOVF`` (default ``y``) - - Toggle compilation of the ``librte_pmd_octeontx_ssovf`` driver. - -Driver Compilation -~~~~~~~~~~~~~~~~~~ - -To compile the OCTEON TX SSOVF PMD for Linux arm64 gcc target, run the -following ``make`` command: - -.. code-block:: console - - cd - make config T=arm64-thunderx-linuxapp-gcc install - Initialization -------------- @@ -139,3 +115,23 @@ follows: When timvf is used as Event timer adapter event schedule type ``RTE_SCHED_TYPE_PARALLEL`` is not supported. + +Max number of events +~~~~~~~~~~~~~~~~~~~~ + +Max number of events in OCTEON TX Eventdev (SSO) are only limited by DRAM size +and they can be configured by passing limits to kernel bootargs as follows: + +.. code-block:: console + + ssopf.max_events=4194304 + +The same can be verified by looking at the following sysfs entry: + +.. code-block:: console + + # cat /sys/module/ssopf/parameters/max_events + 4194304 + +The maximum number of events that can be added to SSO by the event adapters such +as (Rx/Timer) should be limited to the above configured value.