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

ID 683821
Date 1/29/2024
Document Table of Contents ifc_qdma_pio_read128

Table 116.  
API API Description Input Parameters Return Values
uint128_t ifc_qdma_pio_read128(struct ifc_qdma_device *qdev, uint64_t addr);

Read the 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