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| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:09:08 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:12:07 +0200 |
| commit | 1bd9b61222f3a81ffe770fc00b70ded6e760c42b (patch) | |
| tree | 0bf7d996cf0664796687c1be6d22958fcf6a8096 /doc/guides/eventdevs/octeontx.rst | |
| parent | bb4e158029645f37809fcf81a3acddd6fa11f88a (diff) | |
New upstream version 18.05
Change-Id: Icd4170ddc4f63aeae5d0559490e5195b5349f9c2
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'doc/guides/eventdevs/octeontx.rst')
| -rw-r--r-- | doc/guides/eventdevs/octeontx.rst | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/doc/guides/eventdevs/octeontx.rst b/doc/guides/eventdevs/octeontx.rst index 4fabe54f..3dcf6afb 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 ------------------------------ @@ -96,6 +99,16 @@ The tests are run once the vdev creation is successfully complete. --vdev="event_octeontx,self_test=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. |