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authorLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:52:30 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:53:17 +0100
commitb63264c8342e6a1b6971c79550d2af2024b6a4de (patch)
tree83114aac64286fe616506c0b3dfaec2ab86ef835 /doc/guides/eventdevs/octeontx.rst
parentca33590b6af032bff57d9cc70455660466a654b2 (diff)
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'doc/guides/eventdevs/octeontx.rst')
-rw-r--r--doc/guides/eventdevs/octeontx.rst33
1 files changed, 31 insertions, 2 deletions
diff --git a/doc/guides/eventdevs/octeontx.rst b/doc/guides/eventdevs/octeontx.rst
index 4fabe54f..18cfc7a9 100644
--- a/doc/guides/eventdevs/octeontx.rst
+++ b/doc/guides/eventdevs/octeontx.rst
@@ -28,6 +28,9 @@ Features of the OCTEONTX SSOVF PMD are:
- Open system with configurable amount of outstanding events
- HW accelerated dequeue timeout support to enable power management
- SR-IOV VF
+- HW managed event timers support through TIMVF, with high precision and
+ time granularity of 1us.
+- Up to 64 event timer adapters.
Supported OCTEONTX SoCs
-----------------------
@@ -36,7 +39,7 @@ Supported OCTEONTX SoCs
Prerequisites
-------------
-See :doc: `../platform/octeontx` for setup information.
+See :doc:`../platform/octeontx` for setup information.
Pre-Installation Configuration
------------------------------
@@ -93,7 +96,17 @@ The tests are run once the vdev creation is successfully complete.
.. code-block:: console
- --vdev="event_octeontx,self_test=1"
+ --vdev="event_octeontx,selftest=1"
+
+
+Enable TIMvf stats
+------------------
+TIMvf stats can be enabled by using this option, by default the stats are
+disabled.
+
+.. code-block:: console
+
+ --vdev="event_octeontx,timvf_stats=1"
Limitations
@@ -110,3 +123,19 @@ Rx adapter support
When eth_octeontx is used as Rx adapter event schedule type
``RTE_SCHED_TYPE_PARALLEL`` is not supported.
+
+Event timer adapter support
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+When timvf is used as Event timer adapter the clock source mapping is as
+follows:
+
+.. code-block:: console
+
+ RTE_EVENT_TIMER_ADAPTER_CPU_CLK = TIM_CLK_SRC_SCLK
+ RTE_EVENT_TIMER_ADAPTER_EXT_CLK0 = TIM_CLK_SRC_GPIO
+ RTE_EVENT_TIMER_ADAPTER_EXT_CLK1 = TIM_CLK_SRC_GTI
+ RTE_EVENT_TIMER_ADAPTER_EXT_CLK2 = TIM_CLK_SRC_PTP
+
+When timvf is used as Event timer adapter event schedule type
+``RTE_SCHED_TYPE_PARALLEL`` is not supported.