X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Feventdevs%2Fcnxk.rst;h=e0535d8b880fffaf8c27635635d6736af9462cdf;hb=1b06a817b8356183508b30cac365d76d909d5b4d;hp=84c8519372c1b7f80a281f8c2bc070eaa1dc866f;hpb=7ffa7379965e39abe3fa30ce9b8ced94d3be8526;p=dpdk.git

diff --git a/doc/guides/eventdevs/cnxk.rst b/doc/guides/eventdevs/cnxk.rst
index 84c8519372..e0535d8b88 100644
--- a/doc/guides/eventdevs/cnxk.rst
+++ b/doc/guides/eventdevs/cnxk.rst
@@ -35,6 +35,10 @@ Features of the OCTEON cnxk SSO PMD are:
 - Open system with configurable amount of outstanding events limited only by
   DRAM
 - HW accelerated dequeue timeout support to enable power management
+- HW managed event timers support through TIM, with high precision and
+  time granularity of 2.5us on CN9K and 1us on CN10K.
+- Up to 256 TIM rings a.k.a event timer adapters.
+- Up to 8 rings traversed in parallel.
 
 Prerequisites and Compilation procedure
 ---------------------------------------
@@ -89,6 +93,16 @@ Runtime Config Options
 
     -a 0002:0e:00.0,qos=[1-50-50-50]
 
+- ``TIM disable NPA``
+
+  By default chunks are allocated from NPA then TIM can automatically free
+  them when traversing the list of chunks. The ``tim_disable_npa`` devargs
+  parameter disables NPA and uses software mempool to manage chunks
+
+  For example::
+
+    -a 0002:0e:00.0,tim_disable_npa=1
+
 Debugging Options
 -----------------
 
@@ -101,3 +115,5 @@ Debugging Options
    +===+============+=======================================================+
    | 1 | SSO        | --log-level='pmd\.event\.cnxk,8'                      |
    +---+------------+-------------------------------------------------------+
+   | 2 | TIM        | --log-level='pmd\.event\.cnxk\.timer,8'               |
+   +---+------------+-------------------------------------------------------+