Send IPI Response - 2020.2 English

Zynq UltraScale+ MPSoC Software Developer Guide (UG1137)

Document ID
UG1137
Release Date
2021-01-05
Version
2020.2 English

XPfw_IpiWriteResponse() API is used to send the response to the master which sent an IPI message. This function internally calls the IPI driver write API with buffer type as Response buffer.

Parameters

Table 1. Send IPI Response
Parameter Description
ModPtr Module pointer to check which module received this IPI response
SrcCpuMask Source IPI ID to read IPI response
MsgPtr Response Message Pointer
MsgLen Response Message Length

Return

XST_SUCCESS: If IPI response is read successfully.

XST_FAILURE: If response fails.