Multi Channel DMA Intel® FPGA IP for PCI Express User Guide

ID 683821
Date 10/29/2021

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Document Table of Contents ifc_request_free

Table 95.  ifc_request_free
API API Description Input Parameters Return Values
void ifc_request_free(void *req);

Release the passed buffer and add in free pool

req - start address of allocation buffer

0 : on success and populates channel context

-1 : channel not available

-2 : Requested for specific channel. But already occupied