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

ID 683821
Date 8/19/2022

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Document Table of Contents ifc_qdma_pio_read256

Table 106.  
API API Description Input Parameters Return Values
int ifc_qdma_pio_read128(struct ifc_qdma_device *qdev, uint64_t addr, void *vall);

Read 128 bit value from BAR2 address This API would be used for PIO testing, dumping statistics, pattern generation etc.

qdev: QDMA device

addr: adderss to read

0 on success

negative otherwise