Linux Installation Guide

NVIDIA DOCA Installation Guide for Linux

This document details the necessary steps to set up NVIDIA DOCA in your Linux environment.

There are two ways to install the NVIDIA BlueField DPU software:

• Using the SDK Manager which provides a GUI/CLI for full DPU software installation
• Manual installation with a step-by-step procedure

1.1. Supported Platforms

1.2. Hardware Prerequisites

This quick start guide assumes that an NVIDIA® BlueField® DPU has been installed in a server according to the instructions detailed in your DPU's hardware user guide.

1.3. DOCA Packages

1.4. Supported Operating System

The operating system supported on the BlueField DPU is Ubuntu 20.04. The following operating systems are supported on the host machine:

• Ubuntu 18.04/20.04/22.04
• CentOS/RHEL 7.6/8.0/8.2
• Rocky 8.6
• Debian 10.8

1.5. Supported Kernel Versions

NVIDIA SDK Manager (SDKM) supports DOCA installation, including software packages on the host and the BlueField-2 target. The SDKM automates the process of DOCA installation and other related configuration of the system.

• To use the SDK Manager CLI (recommended), please refer to NVIDIA SDK Manager CLI installation guide for DOCA for detailed instructions.
• To use the SDK Manager GUI, please refer to NVIDIA SDK Manager GUI installation guide for DOCA for detailed instructions.

The following is an example for installing SDKM using CLI:

            

            
# sdkmanager --cli install --logintype devzone --product DOCA --version 1.5.1 --targetos Linux --host --target BLUEFIELD2_DPU_TARGETS --flash all
        

This guide provides the minimal first-step instructions for setting up DOCA on a standard system.

3.1. Installation Files

3.2. Uninstalling Software from Host

If an older DOCA software version is installed on your host, make sure to uninstall it before proceeding with the installation of the new version:

• For Ubuntu/Debian:
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  host# for f in $( dpkg --list | grep doca | awk '{print $2}' ); do echo $f ; apt remove --purge $f -y ; done
  host# sudo apt-get autoremove
          

• For CentOS/RHEL/Rocky:
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  host# for f in $(rpm -qa |grep -i doca ) ; do yum -y remove $f; done
  host# yum autoremove
  host# yum makecache
          

3.3. Installing Prerequisites on Host for Target DPU

Install doca-tools to manage and flash the BlueField DPU.

• For Ubuntu/Debian
  1. Download the DOCA Tools package from Installation Files section for the host.
  2. Unpack the deb repo. Run:
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     host# sudo dpkg -i doca-host-repo-ubuntu<version>_amd64.deb
             

  3. Perform apt update. Run:
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     host# sudo apt-get update
             

  4. Run apt install for DOCA Tools.
     • For DPU:
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       host# sudo apt install doca-tools
               

     • For ConnectX on Ubuntu 20.04:
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       host# sudo apt install doca-cx-tools
               

• For CentOS/RHEL 8.x or Rocky 8.6
  1. Download the DOCA Tools package from Installation Files section for the x86 host.
  2. Unpack the RPM repo. Run:
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     host# sudo rpm -Uvh doca-host-repo-rhel<version>.x86_64.rpm
             

  3. Enable new dnf repos. Run:
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     host# sudo dnf makecache
             

  4. Run dnf install to install DOCA Tools.
     • For DPU:
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       host# sudo dnf install doca-tools
               

     • For ConnectX:
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       host# sudo dnf install doca-cx-tools
               

• For CentOS/RHEL 7.x
  1. Download the DOCA Tools package from Installation Files section for the x86 host.
  2. Unpack the RPM repo. Run:
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     host# sudo rpm -Uvh doca-host-repo-rhel<version>.x86_64.rpm
             

  3. Enable new yum repos. Run:
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     host# sudo yum makecache
             

  4. Run yum install to install DOCA Tools.
     • For DPU:
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       host# sudo yum install doca-tools
               

     • For ConnectX:
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       host# sudo yum install doca-cx-tools
               

3.4. Installing Software on Host

1. Make sure to follow the instructions under Installing Prerequisites on Host for Target DPU.
2. Install DOCA local repo package for host: For Ubuntu/Debian Host
   1. Run apt install for DOCA runtime, tools, and SDK.
      • For DPU:
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        host# sudo apt install -y doca-runtime doca-sdk
                

      • For ConnectX on Ubuntu 20.04:
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        host# sudo apt install -y doca-cx-runtime doca-cx-sdk
                

   2. Extra package:
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      host# sudo dnf install -y doca-extra
              

      doca-extra, located under /opt/mellanox/doca/tools/, contains:
      • doca-info – displays details of all installed dependencies in DOCA
      • doca-kernel-support – running it adds support on existing kernel to support DOCA

   For CentOS Host

   1. Install the following software dependencies. Run:
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      host# sudo yum install -y epel-release
              

   2. For CentOS 8.2 only, also run:
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      host# yum config-manager --set-enabled PowerTools
              

   3. Enable new yum repos. Run:
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      host# sudo yum makecache
              

   4. Run yum install for DOCA runtime, tools, and SDK.
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      host# sudo yum install -y doca-runtime doca-sdk
              

   5. Extra package:
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      host# sudo dnf install -y doca-extra
              

      doca-extra, located under /opt/mellanox/doca/tools/, contains:
      • doca-info – displays details of all installed dependencies in DOCA
      • doca-kernel-support – running it adds support on existing kernel to support DOCA

   For Rocky 8.6 Host

   1. Install the following software dependencies. Run:
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      host# sudo dnf install -y yum-utils
      host# sudo yum-config-manager --enable PowerTools
              

   2. Clean cache. Run:
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      host# sudo dnf clean dbcache
              

   3. Run dnf install for DOCA SDK, DOCA runtime, DOCA tools.
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      host# sudo dnf install -y doca-runtime doca-sdk doca-tools
              

   4. Extra package:
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      host# sudo dnf install -y doca-extra
              

      doca-extra, located under /opt/mellanox/doca/tools/, contains:
      • doca-info – displays details of all installed dependencies in DOCA
      • doca-kernel-support – running it adds support on existing kernel to support DOCA

   For RHEL Host

   Note:

   For RHEL 7.6, only perform step d. from the following procedure.

   1. Open a RedHat account.
      1. Log into RedHat website via the developers tab.
      2. Create a developer user.
   2. Run:
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      host# subscription-manager register --username=<username> --password=PASSWORD
              

      To extract pool ID:
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      host# subscription-manager list --available --all
      ...
      Subscription Name:   Red Hat Developer Subscription for Individuals
      Provides:            Red Hat Developer Tools (for RHEL Server for ARM)
                           ...
                           Red Hat CodeReady Linux Builder for x86_64
      ...
      Pool ID:             <pool-id>
      ...
              

      
      

      And use the pool ID for the Subscription Name and Provides that include Red Hat CodeReady Linux Builder for x86_64.

   3. Run:
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      host# subscription-manager attach --pool=<pool-id>
      host# subscription-manager repos --enable codeready-builder-for-rhel-8-x86_64-rpms
      host# sudo yum makecache
              

   4. Install the DOCA local repo package for host, enable new yum repos, and install DOCA runtime and SDK. Run:
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      host# sudo yum makecache
      host# sudo yum install -y doca-runtime doca-sdk
              

   5. Sign out from your RHEL account. Run:
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      host# subscription-manager remove --all
      host# subscription-manager unregister
              

   6. Extra package:
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      host# sudo dnf install -y doca-extra
              

      doca-extra, located under /opt/mellanox/doca/tools/, contains:
      • doca-info – displays details of all installed dependencies in DOCA
      • doca-kernel-support – running it adds support on existing kernel to support DOCA
3. Initialize MST. Run:
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   host# sudo mst start
           

4. Reset the nvconfig params to their default values:
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   host# sudo mlxconfig -d /dev/mst/mt41686_pciconf0 -y reset
   
   Reset configuration for device /dev/mst/mt41686_pciconf0? (y/n) [n] : y
   Applying... Done!
   -I- Please reboot machine to load new configurations.
           

5. Skip this step if your BlueField DPU is Ethernet only. Please refer to Supported Platforms to learn your DPU type. If you have a VPI DPU, the default link type of the ports will be configured to IB. To verify your link type, run:
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   host# sudo mst start
   host# sudo mlxconfig -d /dev/mst/mt41686_pciconf0 -e q | grep -i link_type
   Configurations:                              Default         Current         Next Boot
   *        LINK_TYPE_P1                        IB(1)           ETH(2)          IB(1)
   *        LINK_TYPE_P2                        IB(1)           ETH(2)          IB(1)
           

   Note:

   If your DPU is Ethernet capable only, then the sudo mlxconfig -d <device> command will not provide an output.

   If the current link type is set to IB, run the following command to change it to Ethernet:
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   host# sudo mlxconfig -d /dev/mst/mt41686_pciconf0 s LINK_TYPE_P1=2 LINK_TYPE_P2=2
           

   
   
6. Verify that RShim is active.
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   host# sudo systemctl status rshim
           

   This command is expected to display active (running). If RShim service does not launch automatically, run:
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   host# sudo systemctl enable rshim
   host# sudo systemctl start rshim
           

7. Assign a dynamic IP to tmfifo_net0 interface (RShim host interface).
   Note:

   Skip this step if you are installing the DOCA image on multiple DPUs.

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   host# ifconfig tmfifo_net0 192.168.100.1 netmask 255.255.255.252 up
           

3.5. Installing Software on DPU

Users have two options for installing DOCA on the DPU:

• Upgrading the full DOCA image on the DPU (recommended) - this option overwrites the entire boot partition.
• Upgrading DOCA local repo package on the DPU – this option upgrades DOCA components without overwriting the boot partition. Use this option to preserve configurations or files on the DPU itself.

3.5.1. Installing Full DOCA Image on DPU

3.5.1.1. Option 1 - No Pre-defined Password

BFB installation is executed as follows:

            

            
host# sudo bfb-install --rshim <rshimN> --bfb <image_path.bfb>
        

Where rshimN is rshim0 if you only have one DPU. You may run the following command to verify:

            

            
host# ls -la /dev/ | grep rshim
        

3.5.1.2. Option 2 - Set Pre-defined Password

Ubuntu users can provide a unique password that will be applied at the end of the BlueField software image installation. This password needs to be defined in a bf.cfg configuration file. To set the password for the "ubuntu" user:

1. Create password hash. Run:
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   host# openssl passwd -1
   Password:
   Verifying - Password:
   $1$3B0RIrfX$TlHry93NFUJzg3Nya00rE1
           

2. Add the password hash in quotes to the bf.cfg file:
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   host# sudo vim bf.cfg
   ubuntu_PASSWORD='$1$3B0RIrfX$TlHry93NFUJzg3Nya00rE1'
           

   When running the installation command, use the --config flag to provide the file containing the password:
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   host# sudo bfb-install --rshim <rshimN> --bfb <image_path.bfb> --config bf.cfg
           

   
   
   Note:

   If --config is not used, then upon first login to the BlueField device, users will be asked to update their password.

   The following is an example of Ubuntu installation assuming the "pv" Linux tool has been installed (to view the installation progress).
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   host# sudo bfb-install --rshim rshim0 --bfb DOCA_<version>-aarch64.bfb --config bf.cfg
   Pushing bfb
   1.08GiB 0:00:57 [19.5MiB/s] [      <=>    ]
   Collecting BlueField booting status. Press Ctrl+C to stop…
   INFO[BL2]: start
   INFO[BL2]: DDR POST passed
   INFO[BL2]: UEFI loaded
   INFO[BL31]: start
   INFO[BL31]: runtime
   INFO[UEFI]: eMMC init
   INFO[UEFI]: eMMC probed
   INFO[UEFI]: PCIe enum start
   INFO[UEFI]: PCIe enum end
   INFO[MISC]: Ubuntu installation started
   INFO[MISC]: Installation finished
   INFO[MISC]: Rebooting...
           

   
   

3.5.2. Installing Full DOCA Image on Multiple DPUs

On a host with multiple DPUs, the BFB image can be installed on all of them using the multi-bfb-install script.

            

            
host# ./multi-bfb-install --bfb <bfb-file> --password <password>
        

This script detects the number of RShim devices and configures them statically.

• For Ubuntu – the script creates a configuration file /etc/netplan/20-tmfifo.yaml
• For CentOS/RHEL 7.6 – the script creates a configuration file /etc/sysconfig/network-scripts/ifcfg-br_tmfifo
• For CentOS/RHEL 8.0 and 8.2 – the script installs bridge-utils package to use the command brctl, creates bridge tm-br and connects all RShim interfaces to it

After the installation is complete, the configuration of the bridge and each RShim interface can be observed using ifconfig. The expected result is to see the IP on the bridge tm-br configured to 192.168.100.1 with subnet 255.255.255.0.

            

            
ssh ubuntu@192.168.100.2
        

The script burns a new MAC address to each DPU and configures a new IP, 192.168.100.x, as described earlier.

3.5.3. Installing DOCA Local Repo Package on DPU

1. Download the DOCA SDK, DOCA Runtime, and DOCA Tools package from section Installation Files.
2. Copy deb repo package into BlueField. Run:
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   host# sudo scp -r doca-repo-aarch64-ubuntu2004-local_<version>_arm64.deb ubuntu@192.168.100.2:/tmp/
           

3. Unpack the deb repo. Run:
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   dpu# sudo dpkg -i doca-dpu-repo-ubuntu2004-local_<version>_arm64.deb
           

4. Run apt update:
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   dpu# sudo apt-get update
           

5. Check for any DOCA package content upgrade. Run:
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   dpu# sudo apt install doca-runtime
   dpu# sudo apt install doca-tools
   dpu# sudo apt install doca-sdk
           

3.5.4. Updating DOCA Local Repo Package on DPU

To upgrade the DPU software to DOCA_1.5.1_BSP_3.9.3_Ubuntu_20.04-4.2211-LTS version from DOCA_1.5.0_BSP_3.9.3_Ubuntu_20.04-11:

1. Run the following:
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   # wget -qO - https://linux.mellanox.com/public/repo/doca/lts/latest/ubuntu20.04/aarch64/GPG-KEY-Mellanox.pub | sudo apt-key add -
   # sudo apt update
   # sudo apt-mark hold linux-tools-bluefield linux-image-bluefield linux-bluefield linux-headers-bluefield linux-libc-dev linux-tools-common
   # sudo apt upgrade
           

2. Download and install the mlxbf-bootimages DEB file which includes the DPU's UEFI/ATF and set the right image type ("dev" vs "prod"):
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   # IMAGE_TYPE=dev
   # wget -P /tmp -r --no-verbose --no-directories -l1 --no-parent -A 'mlxbf-bootimages_*_arm64.deb' https://linux.mellanox.com/public/repo/bluefield/latest/bootimages/${IMAGE_TYPE}/
   # dpkg -i /tmp/mlxbf-bootimages_*_arm64.deb
           

3. Upgrade UEFI/ATF (included in mlxbf-bootimages DEB package) on the boot partition, run:
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   # bfrec --bootctl --policy dual
   # bfrec --capsule /lib/firmware/mellanox/boot/capsule/boot_update2.cap --policy dual
   # reboot
           

4. Update NIC firmware according to Upgrading Firmware.

3.6. Upgrading Firmware

To upgrade firmware:

1. SSH to your BlueField device via 192.168.100.2 (preconfigured).
   Note:

   If multiple DPUs are installed, the tmfifo IP interface does not have to be 192.168.100.2. The last octate changes and depends on the RShim number.

   The default credentials for Ubuntu are as follows:

   • Username: ubuntu
   • Password: ubuntu or a unique password that you set in bf.cfg

   For example:

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   host# ssh ubuntu@192.168.100.2 Password: <configured-password>
           

   
   

2. Upgrade firmware in BlueField DPU. Run:
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   dpu# sudo /opt/mellanox/mlnx-fw-updater/mlnx_fw_updater.pl --force-fw-update
           

   Example output:
   
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   Device #1:
   ----------
   
     Device Type:      BlueField-2
     [...]
     Versions:         Current        Available
        FW             <Old_FW>       <New_FW>
           

3. For the firmware upgrade to take effect:
   1. Run the following command on the BlueField DPU and host:
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      dpu# sudo mst start
              

   2. Query the available reset flows:
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      dpu# sudo mlxfwreset -d /dev/mst/mt41686_pciconf0 q
              

      Example output:
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      Reset-levels:
      ...
      
      Reset-types (relevant only for reset-levels 3,4):
      ...
      
      Reset-sync (relevant only for reset-level 3):
      0: Tool is the owner                     -Supported  (default)
      1: Driver is the owner                  -Supported
              

      
      
   3. If reset-sync 1 is not supported or if mlxfwreset failed, perform host power cycle. Otherwise, trigger reset by running the following:
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      dpu# sudo mlxfwreset -d /dev/mst/mt41686_pciconf0 --sync 1 -y reset
              

      Note:

      The entire DPU will experience reset.

3.7. Post-installation Procedure

1. Restart the driver. Run:
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   host# sudo /etc/init.d/openibd restart
   Unloading HCA driver:                                      [  OK  ]
   Loading HCA driver and Access Layer:                       [  OK  ]
           

2. Configure the physical function (PF) interfaces.
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   host# sudo ifconfig <interface-1> <network-1/mask> up
   host# sudo ifconfig <interface-2> <network-2/mask> up
           

   For example:
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   host# sudo ifconfig p2p1 192.168.200.32/24 up
   host# sudo ifconfig p2p2 192.168.201.32/24 up
           

   Pings between the source and destination should now be operational.

Users wishing to build their own customized BlueField OS image can use the BFB build environment. Please refer to the bfb-build project in this GitHub webpage for more information.

For full instructions about setting up a development environment, refer to the NVIDIA DOCA Developer Guide.

6.1. Installing CUDA on NVIDIA Converged Accelerator

NVIDIA® CUDA® is a parallel computing platform and programming model developed by NVIDIA for general computing GPUs.

This section details the necessary steps to set up CUDA on your environment. This section assumes that a BFB image has already been installed on your environment. To install CUDA on your converged accelerator:

1. Download and install the latest NVIDIA Data Center GPU driver.
2. Download and install CUDA.

6.1.1. Configuring Operation Mode

There are two modes that the NVIDIA Converged Accelerator may operate in:

• Standard mode (default) – the BlueField DPU and the GPU operate separately
• BlueField-X mode – the GPU is exposed to the DPU and is no longer visible on the host

To verify which mode the system is operating in, run:

            

            
host# sudo mst start
host# sudo mlxconfig -d /dev/mst/mt41686_pciconf0 q PCI_DOWNSTREAM_PORT_OWNER[4]
        

Standard mode output:

            

            
Device #1:
[…]
Configurations:                              Next Boot
         PCI_DOWNSTREAM_PORT_OWNER[4]        DEVICE_DEFAULT(0)
        

BlueField-X mode output:

            

            
Device #1:
[…]
Configurations:                              Next Boot
         PCI_DOWNSTREAM_PORT_OWNER[4]        EMBEDDED_CPU(15)
        

To configure BlueField-X mode, run:

            

            
host# mlxconfig -d /dev/mst/mt41686_pciconf0 s PCI_DOWNSTREAM_PORT_OWNER[4]=0xF
        

To configure standard mode, run:

            

            
host# mlxconfig -d /dev/mst/mt41686_pciconf0 s PCI_DOWNSTREAM_PORT_OWNER[4]=0x0
        

Power cycle is required for configuration to take effect. To power cycle the host run:

            

            
host# ipmitool power cycle
        

6.1.2. Downloading and Installing CUDA Toolkit and Driver

This section details the necessary steps to set up CUDA on your environment. It assumes that a BFB image has already been installed on your environment.

1. Install CUDA by visiting the CUDA Toolkit 11.6.2 Downloads webpage.
   Note:

   Select the Linux distribution and version relevant for your environment.

2. Test that the driver installation completed successfully. Run:
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   nvidia-smi
   
   Tue Apr  5 13:37:59 2022       
   +-----------------------------------------------------------------------------+
   | NVIDIA-SMI 510.47.03    Driver Version: 510.47.03    CUDA Version: 11.6     |
   |-------------------------------+----------------------+----------------------+
   | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
   | Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
   |                               |                      |               MIG M. |
   |===============================+======================+======================|
   |   0  NVIDIA BF A10       Off  | 00000000:06:00.0 Off |                    0 |
   |  0%   43C    P0    N/A / 225W |      0MiB / 23028MiB |      0%      Default |
   |                               |                      |                  N/A |
   +-------------------------------+----------------------+----------------------+
                                                                                  
   +-----------------------------------------------------------------------------+
   | Processes:                                                                  |
   |  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
   |        ID   ID                                                   Usage      |
   |=============================================================================|
   |  No running processes found                                                 |
   +-----------------------------------------------------------------------------+
           

3. Verify that the installation completed successfully.
   1. Download CUDA samples repo. Run:
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      dpu# git clone https://github.com/NVIDIA/cuda-samples.git
              

   2. Build and run vectorAdd CUDA sample. Run:
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      dpu# cd cuda-samples/Samples/0_Introduction/vectorAdd
      dpu# make
      dpu# ./vectorAdd
              

   Note:

   If the vectorAdd sample works as expected, it should output "Test Passed".

   Note:

   If it seems that the GPU is slow or stuck, stop execution and run:

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   dpu# sudo setpci -v -d ::0302 800.L=201 # CPL_VC0 = 32
           

6.1.3. GPUDirect RDMA

To enable GPUDirect RDMA with a network card on NVIDIA Converged Accelerator, you need an additional kernel module. Run:

            

            
dpu# sudo modprobe nvidia-peermem
        

6.1.4. DPDK GPUDEV

To enable CPU map GPU memory feature in DPDK's gpudev library, you need the GDRCopy library and driver to be installed on your system.

1. Install GDRCopy library. Run:
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   dpu# git clone https://github.com/NVIDIA/gdrcopy.git
           

2. Install dependencies.
   • For RHEL:
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     # DKMs can be installed from epel-release. See https://fedoraproject.org/wiki/EPEL.
     dpu# sudo yum install dkms check check-devel subunit subunit-devel
             

   • For Debian:
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     dpu# sudo apt install check libsubunit0 libsubunit-dev
             

3. Build the library and install the driver. Run:
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   dpu# cd gdrcopy
   dpu# make
   # Launch gdrdrv kernel module on the system
   dpu# ./insmod.sh
           

4. Setup GDRCopy path. Run:
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   dpu# export GDRCOPY_PATH_L=/path/to/libgdrapi
           

   Note:

   In general, the path to libgdrapi is /path/to/gdrcopy/src/.

6.2. Installing Rivermax on DPU

NVIDIA® Rivermax® offers a unique IP-based solution for any media and data streaming scenario.

DOCA supports compatible Rivermax libraries that can be installed via SDKM to provide the best user experience.

For additional details and guidelines, please visit the NVIDIA Rivermax SDK product page.

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