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566 lines
22 KiB
ReStructuredText
566 lines
22 KiB
ReStructuredText
.. _rt_industry_setup:
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Getting Started Guide for ACRN Industry Scenario
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################################################
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Verified version
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****************
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- Clear Linux version: **32680**
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- ACRN-hypervisor tag: **v1.6 (acrn-2020w12.5-140000p)**
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- ACRN-Kernel (Service VM kernel): **4.19.97-104.iot-lts2018-sos**
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Prerequisites
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*************
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The example below is based on the Intel Whiskey Lake NUC platform with two
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disks, an NVMe disk for the Clear Linux-based Service VM and a SATA disk
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for the RTVM.
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- Intel Whiskey Lake (aka WHL) NUC platform with two disks inside
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(refer to :ref:`the tables <hardware_setup>` for detailed information).
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- `com1` is the serial port on WHL NUC.
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If you are still using the KBL NUC and trying to enable the serial port on it, navigate to the
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:ref:`troubleshooting section <connect_serial_port>` that discusses how to prepare the cable.
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- Follow the steps below to install Clear Linux OS (ver: 32680) onto the NVMe disk of the WHL NUC.
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.. _Clear Linux OS Server image:
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https://download.clearlinux.org/releases/32680/clear/clear-32680-live-server.iso
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#. Create a bootable USB drive on Linux*:
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a. Download the `Clear Linux OS Server image`_.
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#. Plug in the USB drive.
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#. Use the ``lsblk`` command line to identify the USB drive:
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.. code-block:: console
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:emphasize-lines: 6,7
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$ lsblk | grep sd*
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sda 8:0 0 931.5G 0 disk
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├─sda1 8:1 0 512M 0 part /boot/efi
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├─sda2 8:2 0 930.1G 0 part /
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└─sda3 8:3 0 977M 0 part [SWAP]
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sdc 8:32 1 57.3G 0 disk
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└─sdc1 8:33 1 57.3G 0 part
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#. Unmount all the ``/dev/sdc`` partitions and burn the image onto the USB drive::
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$ umount /dev/sdc* 2>/dev/null
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$ sudo dd if=./clear-32680-live-server.iso of=/dev/sdc oflag=sync status=progress bs=4M
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#. Plug in the USB drive to the WHL NUC and boot from USB.
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#. Launch the Clear Linux OS installer boot menu.
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#. With Clear Linux OS highlighted, select :kbd:`Enter`.
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#. Log in with your root account and new password.
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#. Run the installer using the following command::
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# clr-installer
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#. From the Main menu, select :kbd:`Configure Installation Media` and set
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:kbd:`Destructive Installation` to the NVMe disk.
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#. Select :kbd:`Manage User` and choose :kbd:`Add New User`.
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#. Select :kbd:`Telemetry` to set Tab to highlight your choice.
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#. Press :kbd:`A` to show the :kbd:`Advanced` options.
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#. Select :kbd:`Select additional bundles` and add bundles for
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**network-basic**, and **user-basic**.
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#. Select :kbd:`Automatic OS Updates` and choose :kbd:`No [Disable]`.
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#. Select :kbd:`Install`.
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#. Select :kbd:`Confirm Install` in the :kbd:`Confirm Installation` window to start the installation.
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.. _step-by-step instructions:
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https://docs.01.org/clearlinux/latest/get-started/bare-metal-install-server.html
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.. note:: Refer to these `step-by-step instructions`_ from the Clear Linux OS installation guide.
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.. _hardware_setup:
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Hardware Setup
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==============
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.. table:: Hardware Setup
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:widths: auto
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:name: Hardware Setup
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+----------------------+-------------------+----------------------+-----------------------------------------------------------+
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| Platform (Intel x86) | Product/kit name | Hardware | Descriptions |
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+======================+===================+======================+===========================================================+
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| Whiskey Lake | WHL-IPC-I7 | Processor | - Intel |reg| Core |trade| i7-8565U CPU @ 1.80GHz |
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| | +----------------------+-----------------------------------------------------------+
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| | | Graphics | - UHD Graphics 620 |
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| | | | - ONE HDMI\* 1.4a ports supporting 4K at 60 Hz |
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| | +----------------------+-----------------------------------------------------------+
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| | | System memory | - 8GiB SODIMM DDR4 2400 MHz [1]_ |
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| | +----------------------+-----------------------------------------------------------+
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| | | Storage capabilities | - SATA: 128G KINGSTON RBUSNS8 |
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| | | | - NVMe: 256G Intel Corporation SSD Pro 7600p/760p/E 6100p |
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+----------------------+-------------------+----------------------+-----------------------------------------------------------+
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.. [1] The maximum supported memory size for ACRN is 16GB. If you are using
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32GB memory, follow the :ref:`config_32GB_memory` instructions to make
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a customized ACRN hypervisor that can support 32GB memory. For more
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detailed information about how to build ACRN
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from the source code, refer to this :ref:`guide <getting-started-building>`.
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Set up the ACRN Hypervisor for industry scenario
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************************************************
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The ACRN industry scenario environment can be set up in several ways. The
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two listed below are recommended:
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- :ref:`Using the pre-installed industry ACRN hypervisor <use pre-installed industry efi>`
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- :ref:`Using the ACRN industry out-of-the-box image <use industry ootb image>`
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.. _use pre-installed industry efi:
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Use the pre-installed industry ACRN hypervisor
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==============================================
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.. note:: Skip this section if you choose :ref:`Using the ACRN industry out-of-the-box image <use industry ootb image>`.
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#. Boot Clear Linux from NVMe disk.
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#. Log in and download ACRN quick setup script:
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.. code-block:: none
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$ wget https://raw.githubusercontent.com/projectacrn/acrn-hypervisor/master/doc/getting-started/acrn_quick_setup.sh
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$ sudo chmod +x acrn_quick_setup.sh
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#. Run the script to set up Service VM:
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.. code-block:: none
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$ sudo ./acrn_quick_setup.sh -s 32680 -d -e /dev/nvme0n1p1 -i
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.. note:: ``-i`` option means the industry scenario efi image will be used, e.g. ``acrn.nuc7i7dnb.industry.efi``.
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For the detailed usage of the ``acrn_quick_setup.sh`` script, refer to the :ref:`quick setup ACRN guide <quick-setup-guide>`
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or simply type ``./acrn_quick_setup.sh -h``.
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#. Use ``efibootmgr -v`` command to check the ACRN boot order:
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.. code-block:: none
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:emphasize-lines: 3,4
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BootCurrent: 0005
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Timeout: 1 seconds
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BootOrder: 0000,0003,0005,0001,0004
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Boot0000* ACRN HD(1,GPT,cb72266b-c83d-4c56-99e3-3e7d2f4bc175,0x800,0x47000)/File(\EFI\acrn\acrn.efi)u.a.r.t.=.d.i.s.a.b.l.e.d.
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Boot0001* UEFI OS HD(1,GPT,335d53f0-50c1-4b0a-b58e-3393dc0389a4,0x800,0x47000)/File(\EFI\BOOT\BOOTX64.EFI)..BO
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Boot0003* Linux bootloader HD(3,GPT,af681d62-3a96-43fb-92fc-e98e850f867f,0xc1800,0x1dc31800)/File(\EFI\org.clearlinux\bootloaderx64.efi)
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Boot0004* Hard Drive BBS(HD,,0x0)..GO..NO........o.K.I.N.G.S.T.O.N. .R.B.U.S.N.S.8.1.8.0.S.3.1.2.8.G.J...................A..........................>..Gd-.;.A..MQ..L.0.5.2.0.B.6.6.7.2.8.F.F.3.D.1.0. . . . .......BO..NO........m.F.O.R.E.S.E.E. .2.5.6.G.B. .S.S.D...................A......................................0..Gd-.;.A..MQ..L.J.2.7.1.0.0.R.0.0.0.9.6.9.......BO
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Boot0005* UEFI OS HD(1,GPT,cb72266b-c83d-4c56-99e3-3e7d2f4bc175,0x800,0x47000)/File(\EFI\BOOT\BOOTX64.EFI)..BO
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.. note:: Ensure that ACRN is first in the boot order, or you may use the
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``efibootmgr -o 1`` command to move it to the first position. If you need to enable the serial port, run the following command before rebooting:
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``efibootmgr -c -l '\EFI\acrn\acrn.efi' -d /dev/nvme0n1 -p 1 -L ACRN -u "uart=port@0x3f8 "``
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Note the extra space at the end of the EFI command-line options
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string. This is a workaround for a current `efi-stub bootloader name
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issue <https://github.com/projectacrn/acrn-hypervisor/issues/4520>`_.
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It ensures that the end of the string is properly detected.
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#. Reboot WHL NUC.
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#. Use the ``dmesg`` command to ensure that the Service VM boots:
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.. code-block:: console
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:emphasize-lines: 2
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$ sudo dmesg | grep ACRN
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[ 0.000000] Hypervisor detected: ACRN
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[ 1.252840] ACRNTrace: Initialized acrn trace module with 4 cpu
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[ 1.253291] ACRN HVLog: Failed to init last hvlog devs, errno -19
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[ 1.253292] ACRN HVLog: Initialized hvlog module with 4
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.. note:: If you want to log in to the Service VM with root privileges, use ``sudo passwd`` to create a root user
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so that you can log in as root on the next reboot.
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.. _use industry ootb image:
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Use the ACRN industry out-of-the-box image
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==========================================
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.. note:: If you are following the section above to set up the Service VM, jump to the next
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:ref:`section <install_rtvm>`.
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#. Boot Clear Linux from SATA disk.
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#. Download the Service VM industry image:
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.. code-block:: none
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# wget https://github.com/projectacrn/acrn-hypervisor/releases/download/acrn-2020w12.5-140000p/sos-industry-32680.img.xz
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.. note:: You may also follow :ref:`set_up_ootb_service_vm` to build the image by yourself.
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#. Decompress the .xz image::
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# xz -d sos-industry-32680.img.xz
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#. Burn the Service VM image onto the NVMe disk::
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# dd if=sos-industry-32680.img of=/dev/nvme0n1 bs=4M oflag=sync status=progress iflag=fullblock seek=0 conv=notrunc
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#. Configure the EFI firmware to boot the ACRN hypervisor by default:
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::
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# efibootmgr -c -l "\EFI\acrn\acrn.efi" -d /dev/nvme0n1 -p 1 -L "ACRN" -u "uart=disabled "
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Or use the following command to enable the serial port:
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::
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# efibootmgr -c -l "\EFI\acrn\acrn.efi" -d /dev/nvme0n1 -p 1 -L "ACRN" -u "uart=port@0x3f8 "
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.. note:: Note the extra space at the end of the EFI command-line options
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strings above. This is a workaround for a current `efi-stub bootloader
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name issue <https://github.com/projectacrn/acrn-hypervisor/issues/4520>`_.
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It ensures that the end of the string is properly detected.
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#. Reboot the test machine. After the Clear Linux OS boots,
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log in as ``root`` for the first time.
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.. _install_rtvm:
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Install and launch the Preempt-RT VM
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************************************
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In this section, we will use :ref:`virtio-blk` to launch the Preempt-RT VM.
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If you need better performance, follow :ref:`building-acrn-in-docker` to
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build the ACRN kernel for the Service VM, and then :ref:`passthrough the SATA disk <passthru rtvm>` to launch the Preempt-RT VM.
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#. Log in to the Service VM with root privileges.
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#. Download the Preempt-RT VM image:
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.. code-block:: none
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# wget https://github.com/projectacrn/acrn-hypervisor/releases/download/acrn-2020w12.5-140000p/preempt-rt-32680.img.xz
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.. note:: You may also follow :ref:`set_up_ootb_rtvm` to build the Preempt-RT VM image by yourself.
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#. Decompress the xz image::
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# xz -d preempt-rt-32680.img.xz
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#. Burn the Preempt-RT VM image onto the SATA disk::
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# dd if=preempt-rt-32680.img of=/dev/sda bs=4M oflag=sync status=progress iflag=fullblock seek=0 conv=notrunc
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#. Modify the script to use the virtio device.
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.. code-block:: none
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# NVME pass-through
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#echo ${passthru_vpid["nvme"]} > /sys/bus/pci/drivers/pci-stub/new_id
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#echo ${passthru_bdf["nvme"]} > /sys/bus/pci/devices/${passthru_bdf["nvme"]}/driver/unbind
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#echo ${passthru_bdf["nvme"]} > /sys/bus/pci/drivers/pci-stub/bind
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.. code-block:: none
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:emphasize-lines: 6
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/usr/bin/acrn-dm -A -m $mem_size -s 0:0,hostbridge \
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--lapic_pt \
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--rtvm \
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--virtio_poll 1000000 \
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-U 495ae2e5-2603-4d64-af76-d4bc5a8ec0e5 \
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-s 2,virtio-blk,/dev/sda \
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-s 3,virtio-console,@stdio:stdio_port \
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$pm_channel $pm_by_vuart \
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--ovmf /usr/share/acrn/bios/OVMF.fd \
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hard_rtvm
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}
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#. Upon deployment completion, launch the RTVM directly onto your WHL NUC::
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# /usr/share/acrn/samples/nuc/launch_hard_rt_vm.sh
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RT Performance Test
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*******************
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.. _cyclictest:
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Cyclictest introduction
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=======================
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The cyclictest is most commonly used for benchmarking RT systems. It is
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one of the most frequently used tools for evaluating the relative
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performance of real-time systems. Cyclictest accurately and repeatedly
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measures the difference between a thread's intended wake-up time and the
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time at which it actually wakes up in order to provide statistics about
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the system's latencies. It can measure latencies in real-time systems
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that are caused by hardware, firmware, and the operating system. The
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cyclictest is currently maintained by Linux Foundation and is part of
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the test suite rt-tests.
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Pre-Configurations
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==================
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Firmware update on the NUC
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--------------------------
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If you need to update to the latest UEFI firmware for the NUC hardware.
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Follow these `BIOS Update Instructions
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<https://www.intel.com/content/www/us/en/support/articles/000005636.html>`__
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for downloading and flashing an updated BIOS for the NUC.
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Recommended BIOS settings
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-------------------------
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.. csv-table::
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:widths: 15, 30, 10
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"Hyper-Threading", "Intel Advanced Menu -> CPU Configuration", "Disabled"
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"Intel VMX", "Intel Advanced Menu -> CPU Configuration", "Enable"
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"Speed Step", "Intel Advanced Menu -> Power & Performance -> CPU - Power Management Control", "Disabled"
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"Speed Shift", "Intel Advanced Menu -> Power & Performance -> CPU - Power Management Control", "Disabled"
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"C States", "Intel Advanced Menu -> Power & Performance -> CPU - Power Management Control", "Disabled"
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"RC6", "Intel Advanced Menu -> Power & Performance -> GT - Power Management", "Disabled"
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"GT freq", "Intel Advanced Menu -> Power & Performance -> GT - Power Management", "Lowest"
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"SA GV", "Intel Advanced Menu -> Memory Configuration", "Fixed High"
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"VT-d", "Intel Advanced Menu -> System Agent Configuration", "Enable"
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"Gfx Low Power Mode", "Intel Advanced Menu -> System Agent Configuration -> Graphics Configuration", "Disabled"
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"DMI spine clock gating", "Intel Advanced Menu -> System Agent Configuration -> DMI/OPI Configuration", "Disabled"
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"PCH Cross Throttling", "Intel Advanced Menu -> PCH-IO Configuration", "Disabled"
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"Legacy IO Low Latency", "Intel Advanced Menu -> PCH-IO Configuration -> PCI Express Configuration", "Enabled"
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"PCI Express Clock Gating", "Intel Advanced Menu -> PCH-IO Configuration -> PCI Express Configuration", "Disabled"
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"Delay Enable DMI ASPM", "Intel Advanced Menu -> PCH-IO Configuration -> PCI Express Configuration", "Disabled"
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"DMI Link ASPM", "Intel Advanced Menu -> PCH-IO Configuration -> PCI Express Configuration", "Disabled"
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"Aggressive LPM Support", "Intel Advanced Menu -> PCH-IO Configuration -> SATA And RST Configuration", "Disabled"
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"USB Periodic Smi", "Intel Advanced Menu -> LEGACY USB Configuration", "Disabled"
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"ACPI S3 Support", "Intel Advanced Menu -> ACPI Settings", "Disabled"
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"Native ASPM", "Intel Advanced Menu -> ACPI Settings", "Disabled"
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.. note:: BIOS settings depend on the platform and BIOS version; some may not be applicable.
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Configure RDT
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-------------
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In addition to setting the CAT configuration via HV commands, we allow
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developers to add CAT configurations to the VM config and configure
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automatically at the time of RTVM creation. Refer to :ref:`rdt_configuration`
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for details on RDT configuration and :ref:`hv_rdt` for details on RDT
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high-level design.
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Set up the core allocation for the RTVM
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---------------------------------------
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In our recommended configuration, two cores are allocated to the RTVM:
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core 0 for housekeeping and core 1 for RT tasks. In order to achieve
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this, follow the below steps to allocate all housekeeping tasks to core 0:
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#. Launch RTVM::
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# /usr/share/acrn/samples/nuc/launch_hard_rt_vm.sh
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#. Log in to RTVM as root and run the script as below:
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.. code-block:: bash
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#!/bin/bash
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# Copyright (C) 2019 Intel Corporation.
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# SPDX-License-Identifier: BSD-3-Clause
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# Move all IRQs to core 0.
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for i in `cat /proc/interrupts | grep '^ *[0-9]*[0-9]:' | awk {'print $1'} | sed 's/:$//' `;
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do
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echo setting $i to affine for core zero
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echo 1 > /proc/irq/$i/smp_affinity
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done
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# Move all rcu tasks to core 0.
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for i in `pgrep rcu`; do taskset -pc 0 $i; done
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# Change realtime attribute of all rcu tasks to SCHED_OTHER and priority 0
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for i in `pgrep rcu`; do chrt -v -o -p 0 $i; done
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# Change realtime attribute of all tasks on core 1 to SCHED_OTHER and priority 0
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for i in `pgrep /1`; do chrt -v -o -p 0 $i; done
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# Change realtime attribute of all tasks to SCHED_OTHER and priority 0
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for i in `ps -A -o pid`; do chrt -v -o -p 0 $i; done
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echo disabling timer migration
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echo 0 > /proc/sys/kernel/timer_migration
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.. note:: You can ignore the error messages during the script running.
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Run cyclictest
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==============
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#. Refer to the :ref:`troubleshooting section <enabling the network on RTVM>` below that discusses how to enable the network connection for RTVM.
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#. Launch RTVM and log in as root.
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#. Install the ``cyclictest`` tool::
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# swupd bundle-add dev-utils
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#. Use the following command to start cyclictest::
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# cyclictest -a 1 -p 80 -m -N -D 1h -q -H 30000 --histfile=test.log
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Parameter descriptions:
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:-a 1: to bind the RT task to core 1
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:-p 80: to set the priority of the highest prio thread
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:-m: lock current and future memory allocations
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:-N: print results in ns instead of us (default us)
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:-D 1h: to run for 1 hour, you can change it to other values
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:-q: quiee mode; print a summary only on exit
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:-H 30000 --histfile=test.log: dump the latency histogram to a local file
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Troubleshooting
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***************
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.. _connect_serial_port:
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Use serial port on KBL NUC
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==========================
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You can enable the serial console on the
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`KBL NUC <https://www.amazon.com/Intel-Business-Mini-Technology-BLKNUC7i7DNH1E/dp/B07CCQ8V4R>`_
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(NUC7i7DNH). The KBL NUC has a serial port header you can
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expose with a serial DB9 header cable. You can build this cable yourself;
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refer to the `KBL NUC product specification
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<https://www.intel.com/content/dam/support/us/en/documents/mini-pcs/nuc-kits/NUC7i7DN_TechProdSpec.pdf>`_
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as shown below:
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.. figure:: images/KBL-serial-port-header.png
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:scale: 80
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KBL serial port header details
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.. figure:: images/KBL-serial-port-header-to-RS232-cable.jpg
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:scale: 80
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KBL `serial port header to RS232 cable
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<https://www.amazon.com/dp/B07BV1W6N8/ref=cm_sw_r_cp_ep_dp_wYm0BbABD5AK6>`_
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Or you can `purchase
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<https://www.amazon.com/dp/B07BV1W6N8/ref=cm_sw_r_cp_ep_dp_wYm0BbABD5AK6>`_
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such a cable.
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You'll also need an `RS232 DB9 female to USB cable
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<https://www.amazon.com/Adapter-Chipset-CableCreation-Converter-Register/dp/B0769DVQM1>`_,
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or an `RS232 DB9 female/female (NULL modem) cross-over cable
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|
<https://www.amazon.com/SF-Cable-Null-Modem-RS232/dp/B006W0I3BA>`_
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|
to connect to your host system.
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Note that If you want to use the RS232 DB9 female/female cable, choose the ``cross-over``
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type rather than ``straight-through`` type.
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.. _efi image not exist:
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|
|
EFI image doesn't exist
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|
=======================
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|
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You might see the error message if you are running the ``acrn_quick_setup.sh`` script
|
|
on an older Clear Linux OS ( < 31470 ):
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|
|
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.. code-block:: console
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/usr/lib/acrn/acrn.wl10.industry.efi doesn't exist.
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Use one of these efi images from /usr/lib/acrn.
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------
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/usr/lib/acrn/acrn.nuc7i7dnb.industry.efi
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|
------
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Copy the efi image to /usr/lib/acrn/acrn.wl10.industry.efi, then run the script again.
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|
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To fix it, just rename the existing efi image to ``/usr/lib/acrn/acrn.wl10.industry.efi`` and
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|
then run the script again::
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|
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$ sudo cp /usr/lib/acrn/acrn.nuc7i7dnb.industry.efi /usr/lib/acrn/acrn.wl10.industry.efi
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$ sudo ./acrn_quick_setup.sh -s <target OS version> -d -e <target EFI partition> -i
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.. _enabling the network on RTVM:
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Enabling the network on RTVM
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|
============================
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|
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If you need to access the internet, you must add the following command line to the
|
|
``launch_hard_rt_vm.sh`` script before launch it:
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|
|
.. code-block:: none
|
|
:emphasize-lines: 8
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|
|
|
/usr/bin/acrn-dm -A -m $mem_size -s 0:0,hostbridge \
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|
--lapic_pt \
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|
--rtvm \
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|
--virtio_poll 1000000 \
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|
-U 495ae2e5-2603-4d64-af76-d4bc5a8ec0e5 \
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-s 2,passthru,02/0/0 \
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-s 3,virtio-console,@stdio:stdio_port \
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|
-s 8,virtio-net,tap0 \
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|
$pm_channel $pm_by_vuart \
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|
--ovmf /usr/share/acrn/bios/OVMF.fd \
|
|
hard_rtvm
|
|
}
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|
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.. _passthru rtvm:
|
|
|
|
Passthrough a hard disk to the RTVM
|
|
===================================
|
|
|
|
#. Use the ``lspci`` command to ensure that the correct SATA device IDs will
|
|
be used for the passthrough before launching the script:
|
|
|
|
.. code-block:: none
|
|
|
|
# lspci -nn | grep -i sata
|
|
00:17.0 SATA controller [0106]: Intel Corporation Cannon Point-LP SATA Controller [AHCI Mode] [8086:9dd3] (rev 30)
|
|
|
|
#. Modify the script to use the correct SATA device IDs and bus number:
|
|
|
|
.. code-block:: none
|
|
:emphasize-lines: 5, 10
|
|
|
|
# vim /usr/share/acrn/samples/nuc/launch_hard_rt_vm.sh
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|
|
|
passthru_vpid=(
|
|
["eth"]="8086 156f"
|
|
["sata"]="8086 9d03"
|
|
["nvme"]="8086 f1a6"
|
|
)
|
|
passthru_bdf=(
|
|
["eth"]="0000:00:1f.6"
|
|
["sata"]="0000:00:17.0"
|
|
["nvme"]="0000:02:00.0"
|
|
)
|
|
|
|
# SATA pass-through
|
|
echo ${passthru_vpid["sata"]} > /sys/bus/pci/drivers/pci-stub/new_id
|
|
echo ${passthru_bdf["sata"]} > /sys/bus/pci/devices/${passthru_bdf["sata"]}/driver/unbind
|
|
echo ${passthru_bdf["sata"]} > /sys/bus/pci/drivers/pci-stub/bind
|
|
|
|
# NVME pass-through
|
|
#echo ${passthru_vpid["nvme"]} > /sys/bus/pci/drivers/pci-stub/new_id
|
|
#echo ${passthru_bdf["nvme"]} > /sys/bus/pci/devices/${passthru_bdf["nvme"]}/driver/unbind
|
|
#echo ${passthru_bdf["nvme"]} > /sys/bus/pci/drivers/pci-stub/bind
|
|
|
|
.. code-block:: none
|
|
:emphasize-lines: 4
|
|
|
|
--rtvm \
|
|
--virtio_poll 1000000 \
|
|
-U 495ae2e5-2603-4d64-af76-d4bc5a8ec0e5 \
|
|
-s 2,passthru,00/17/0 \
|
|
-s 3,virtio-console,@stdio:stdio_port \
|
|
-s 8,virtio-net,tap0 \
|
|
$pm_channel $pm_by_vuart \
|
|
--ovmf /usr/share/acrn/bios/OVMF.fd \
|
|
hard_rtvm
|
|
|
|
}
|
|
|
|
#. Upon deployment completion, launch the RTVM directly onto your WHL NUC:
|
|
|
|
.. code-block:: none
|
|
|
|
# /usr/share/acrn/samples/nuc/launch_hard_rt_vm.sh
|