docs: add PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE to porting-guide.rst

Signed-off-by: Tamas Ban <tamas.ban@arm.com> Change-Id: I79761347919a0dfa86a29b5424f1d34fc4ab91cb
2 years ago · 1bc78557c3
1 changed files with 5 additions and 0 deletions
--- a/docs/getting_started/porting-guide.rst
+++ b/docs/getting_started/porting-guide.rst
@ -242,6 +242,11 @@ likely to be suitable for all platform ports.

   Defines the maximum address in secure RAM that the BL31 image can occupy.

+-  **#define : PLAT_RSS_COMMS_PAYLOAD_MAX_SIZE**
+
+   Defines the maximum message size between AP and RSS. Need to define if
+   platform supports RSS.
+
 For every image, the platform must define individual identifiers that will be
 used by BL1 or BL2 to load the corresponding image into memory from non-volatile
 storage. For the sake of performance, integer numbers will be used as