Send IPI Message - 2020.2 English

Zynq UltraScale+ MPSoC Software Developer Guide (UG1137)

Document ID
Release Date
2020.2 English

XPfw_IpiWriteMessage() API is used to send IPI message to target. This function internally calls the IPI driver write API with buffer type as Message buffer.


Table 1. Send IPI Message
Parameter Description
ModPtr Module pointer from where the IPI message is being sent. In IPI message, target_module_id field will be updated with the Module IPI ID information which is present in Module pointer.
DestCpuMask Destination target IPI ID
MsgPtr Message Pointer
MsgLen Message Length


XST_SUCCESS: If message is sent successfully.

XST_FAILURE: If message fails.