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

ID 683821
Date 1/29/2024
Document Table of Contents ifc_qdma_pio_read32

Table 112.  ifc_qdma_pio_read32
API API Description Input Parameters Return Values
uint32_t ifc_qdma_pio_read32(struct ifc_qdma_device *qdev, uint64_t addr)

Read the value from BAR2 address This API is used for PIO testing, dumping statistics, and pattern generation.

qdev: QDMA device

addr: adderss to read

0 on success

negative otherwise