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

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ID 683517
Date 6/09/2025
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Document Table of Contents
Document Table of Contents x
1. Introduction 2. Design Example Detailed Description 3. Design Example Quick Start Guide 4. Multi Channel DMA Intel FPGA IP for PCI Express Design Example User Guide Archives 5. Revision History for the Multi Channel DMA Intel FPGA IP for PCI Express Design Example User Guide
1. Introduction x
1.1. Terms and Acronyms 1.2. MCDMA IP Modes
2. Design Example Detailed Description x
2.1. Design Example Overview 2.2. PIO using MCDMA Bypass Mode 2.3. Avalon-ST Packet Generate/Check 2.4. Avalon-ST Device-side Packet Loopback 2.5. Avalon-MM DMA 2.6. BAM_BAS Traffic Generator and Checker 2.7. External Descriptor Controller
2.1. Design Example Overview x
2.1.1. H-Tile MCDMA IP - Design Examples for Endpoint 2.1.2. P-Tile MCDMA IP - Design Examples for Endpoint 2.1.3. F-Tile MCDMA IP - Design Examples for Endpoint 2.1.4. R-Tile MCDMA IP - Design Examples for Endpoint 2.1.5. Design Example BAR Mappings 2.1.6. Design Example Driver Support
2.2. PIO using MCDMA Bypass Mode x
2.2.1. Avalon-ST PIO using MCDMA Bypass Mode 2.2.2. Avalon-MM PIO using MCDMA Bypass Mode
2.2.1. Avalon-ST PIO using MCDMA Bypass Mode x
2.2.1.1. Single-Port Avalon-ST PIO using MCDMA Bypass Mode
2.2.2. Avalon-MM PIO using MCDMA Bypass Mode x
2.2.2.1. Simulation Results 2.2.2.2. Hardware Test Results
2.3. Avalon-ST Packet Generate/Check x
2.3.1. Single-Port Avalon-ST Packet Generate/Check
2.3.1. Single-Port Avalon-ST Packet Generate/Check x
2.3.1.1. Simulation Waveforms 2.3.1.2. Simulation Log 2.3.1.3. Hardware Test Result
2.4. Avalon-ST Device-side Packet Loopback x
2.4.1. Simulation Results 2.4.2. Hardware Test Results
2.5. Avalon-MM DMA x
2.5.1. Simulation Results 2.5.2. Hardware Test Results
2.6. BAM_BAS Traffic Generator and Checker x
2.6.1. BAM_BAS Traffic Generator and Checker Example Design Register Map
2.7. External Descriptor Controller x
2.7.1. Registers 2.7.2. Hardware Test Results
2.7.1. Registers x
2.7.1.1. GCSR Registers (Base address 64’h00000) 2.7.1.2. QCSR Registers(Base address 64’h10000)
3. Design Example Quick Start Guide x
3.1. Design Example Directory Structure 3.2. Generating the Example Design using Quartus® Prime 3.3. Simulating the Design Example 3.4. Compiling the Example Design in Quartus® Prime 3.5. Running the Design Example Application on a Hardware Setup
3.2. Generating the Example Design using Quartus® Prime x
3.2.1. Procedure
3.3. Simulating the Design Example x
3.3.1. Testbench Overview 3.3.2. Supported Simulators 3.3.3. Example Testbench Flow for DMA Test with Avalon-ST Packet Generate/Check Design Example 3.3.4. Run the Simulation Script 3.3.5. Steps to Run the Simulation 3.3.6. View the Results
3.3.5. Steps to Run the Simulation x
3.3.5.1. Steps to Run the Simulation : QuestaSim* / Questa* Intel® FPGA Edition 3.3.5.2. Steps to Run the Simulation : VCS* / VCS* MX 3.3.5.3. Steps to Run the Simulation : Xcelium*
3.5. Running the Design Example Application on a Hardware Setup x
3.5.1. Hardware Requirements 3.5.2. Software Requirements 3.5.3. Set Up the Hardware and Program the FPGA 3.5.4. Configuration Changes from BIOS 3.5.5. Host Operating System Check for Ubuntu v22.04 3.5.6. Installing the Required Kernel Version for Ubuntu v24.04 3.5.7. Set the Boot Parameters 3.5.8. MCDMA Custom Driver 3.5.9. MCDMA DPDK Poll Mode Driver 3.5.10. MCDMA Kernel Mode Network Device Driver
3.5.8. MCDMA Custom Driver x
3.5.8.1. Prerequisites 3.5.8.2. PIO Test 3.5.8.3. DMA Test 3.5.8.4. BAM Test 3.5.8.5. BAS Test
3.5.8.1. Prerequisites x
3.5.8.1.1. Install the Linux Kernel Driver 3.5.8.1.2. Enable Virtual Function 3.5.8.1.3. Build and Install the User Space Library 3.5.8.1.4. Build the Reference Application
3.5.8.2. PIO Test x
3.5.8.2.1. Custom PIO Read Write Test
3.5.8.3. DMA Test x
3.5.8.3.1. Avalon-MM DMA (AVMM DMA) 3.5.8.3.2. Avalon-ST Device-side Packet Loopback (Device-side Packet Loopback) 3.5.8.3.3. Avalon-ST Packet Generate/Check (Packet Generate/Check) 3.5.8.3.4. External Descriptor Controller
3.5.8.3.2. Avalon-ST Device-side Packet Loopback (Device-side Packet Loopback) x
3.5.8.3.2.1. DMA Test Beyond 256 Channels
3.5.8.3.3. Avalon-ST Packet Generate/Check (Packet Generate/Check) x
3.5.8.3.3.1. DMA Test Beyond 256 Channels
3.5.9. MCDMA DPDK Poll Mode Driver x
3.5.9.1. Prerequisites 3.5.9.2. PIO Test 3.5.9.3. DMA Test 3.5.9.4. BAM Test 3.5.9.5. BAS Test
3.5.9.1. Prerequisites x
3.5.9.1.1. Install the PMD Driver 3.5.9.1.2. Bind the Device 3.5.9.1.3. Enable Virtual Function
3.5.9.3. DMA Test x
3.5.9.3.1. Avalon-MM DMA (AVMM DMA) 3.5.9.3.2. Avalon-ST Packet Generate/Check (Packet Generate/Check) 3.5.9.3.3. Avalon-ST Device-side Packet Loopback (Device-side Packet Loopback)
3.5.9.3.2. Avalon-ST Packet Generate/Check (Packet Generate/Check) x
3.5.9.3.2.1. DMA Test Beyond 256 Channels
3.5.9.3.3. Avalon-ST Device-side Packet Loopback (Device-side Packet Loopback) x
3.5.9.3.3.1. DMA Test Beyond 256 Channels
3.5.10. MCDMA Kernel Mode Network Device Driver x
3.5.10.1. Prerequisites 3.5.10.2. PIO Test 3.5.10.3. Ping Test
3.5.10.1. Prerequisites x
3.5.10.1.1. Build and Install Netdev Driver 3.5.10.1.2. Enable Virtual Function
1. Introduction
2. Design Example Detailed Description
3. Design Example Quick Start Guide
4. Multi Channel DMA Intel FPGA IP for PCI Express Design Example User Guide Archives
5. Revision History for the Multi Channel DMA Intel FPGA IP for PCI Express Design Example User Guide

2.3.1.3. Hardware Test Result

Note: This test was run with Agilex™ 7 F-Series P-Tile FPGA PCIe Gen4 x16 configuration using Custom Driver. 
[root@localhost perfq_app]# ./perfq_app -b 0000:2d:00.0 -p 32768 -l 10 -d 5 -c 8 -a 8 -r
Allocating 8 Channels...

----------------------------------------------------------------------
BDF: 0000:2d:00.0
Channels Allocated: 8
QDepth 508
Number of pages: 8
Completion mode: WB
Payload Size per descriptor: 32768 Bytes
SOF on descriptor: 1
EOF on descriptor: 1
File Size: 32768 Bytes
PKG Gen Files: 64
Rx Batch Size: 127 Descriptors
DCA: OFF
-----------------------------------------------------------------------
Thread initialization in progress ...
Thread initialization done
-------------------------------------------------------------------------------------------------------------------
Dir  #queues   Time_elpsd     B_trnsfrd      TBW        IBW        MIBW       HIBW       LIBW      MPPS      #stuck
Rx      8       00:05:000     127333248.00KB  24.28GBPS  24.28GBPS  03.04GBPS  03.04GBPS  03.04GBPS 00.80MPPS     0
-------------------------------------------------------------------------------------------------------------------
All Threads exited
-------------------------------------------------------------------------------------------------------------------
Dir  #queues   Time_elpsd     B_trnsfrd      TBW        IBW        MIBW       HIBW       LIBW      MPPS      #stuck
Rx      8       00:10:000     251390912.00KB  23.97GBPS  23.66GBPS  02.96GBPS  02.96GBPS  02.96GBPS 00.78MPPS     0
-------------------------------------------------------------------------------------------------------------------
TIME OUT while waiting for completions
Leaving...
-------------------------------OUTPUT SUMMARY--------------------------------------------
Dir  #queues   Time_elpsd     B_trnsfrd           TBW     MPPS    Passed  Failed  %passed
Rx      8       00:10:871     251390912.00KB   24.29GBPS 00.80MPPS      8      0     100.00%
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Total Bandwidth: 24.29GBPS, 0.80MPPS
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Full Forms:
TBW:            Total Bandwidth
IBW:            Interval Bandwidth
MIBW:           Mean Interval Bandwidth
HIBW:           Highest Interval Bandwidth
LIBW:           Lowest Interval Bandwidth
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