Windows VirtIO Drivers: Difference between revisions

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Windows does not have native support for VirtIO devices included.
Windows does not have native support for VirtIO devices included.
But, there is excellent external support through opensource drivers, which are available compiled and signed for Windows:
But, there is excellent external support through opensource drivers, which are available compiled and signed for Windows:
https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/?C=M;O=D
https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/?C=M;O=D


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The binary drivers are digitally signed by Red Hat, and will work on 32-bit and 64-bit versions of Windows
The binary drivers are digitally signed by Red Hat, and will work on 32-bit and 64-bit versions of Windows
The source code of those drivers can be found here: https://github.com/virtio-win/kvm-guest-drivers-windows


== Installation ==
== Installation ==
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Normally the drivers are pretty stable, so one should try out the most recent release first.
Normally the drivers are pretty stable, so one should try out the most recent release first.


You can access the ISO can in a VM by mounting the ISO with a virtual CD-ROM/DVD drive on that VM.
You can access the ISO in a VM by mounting the ISO with a virtual CD-ROM/DVD drive on that VM.


==== Wizard Installation ====
==== Wizard Installation ====
 
[[File:Win10-virtio-driver-wizard.png|Wizard Installation|thumb|right]]
You can use an easy wizard to install all, or a selection, of VirtIO drivers.
You can use an easy wizard to install all, or a selection, of VirtIO drivers.


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# Simply execute (double-click on) '''virtio-win-gt-x64'''
# Simply execute (double-click on) '''virtio-win-gt-x64'''
# Follow its instructions.
# Follow its instructions.
# (Optional) use the '''virtio-win-guest-tools''' wizard to install the [[Qemu-guest-agent|QEMU Guest Agent]] and the [[SPICE]] agent for an improved remote-viewer experience.
# Reboot VM
# Reboot VM


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#* guest-agent
#* guest-agent
#* NetKVM
#* NetKVM
#* pvpanic
#* qemupciserial
#* qxl
#* qxl
#* qxldod
#* viorng
#* vioscsi
#* vioscsi
#* vioserial
#* ...
#* viostor
#: [[File:Win10-virtio-driver-manual.png|Manual Installation|thumb|right]]
# Navigate to the desired driver directories and respective Windows Version
# Navigate to the desired driver directories and respective Windows Version
# Right-click on the file with type "Setup Information"
# Right-click on the file with type "Setup Information"
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=== Downloading the Wizard in the VM ===
=== Downloading the Wizard in the VM ===


You can also just [https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/latest-virtio/virtio-win.iso download the most recent] virtio-win-gt-x64.msi or virtio-win-gt-x86.msi from inside the VM, if you have already network access.
You can also just [https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/latest-virtio/ download the most recent] virtio-win-gt-x64.msi or virtio-win-gt-x86.msi from inside the VM, if you have already network access.


Then just execute it and follow the installation process.
Then just execute it and follow the installation process.
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== Troubleshooting ==
== Troubleshooting ==


Try an older version of the drivers first, if that does not helps ask in one of our support channels:
Try an older version of the drivers first, if that does not help ask in one of our support channels:
https://pve.proxmox.com/wiki/Get_support
https://pve.proxmox.com/wiki/Get_support


== Further Reading ==
== Further Reading ==
https://docs.fedoraproject.org/en-US/quick-docs/creating-windows-virtual-machines-using-virtio-drivers/index.html


http://www.linux-kvm.org/page/WindowsGuestDrivers  
http://www.linux-kvm.org/page/WindowsGuestDrivers  
The source code of those drivers can be found here: https://github.com/virtio-win/kvm-guest-drivers-windows


http://www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers
http://www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers
https://docs.fedoraproject.org/en-US/quick-docs/creating-windows-virtual-machines-using-virtio-drivers/index.html


= See also =
= See also =

Latest revision as of 11:19, 28 August 2023

Introduction

VirtIO Drivers are paravirtualized drivers for kvm/Linux (see http://www.linux-kvm.org/page/Virtio). In short, they enable direct (paravirtualized) access to devices and peripherals for virtual machines using them, instead of slower, emulated, ones.
A quite extended explanation about VirtIO drivers can be found here http://www.ibm.com/developerworks/library/l-virtio.

At the moment these kind of devices are supported:

You can maximize performances by using VirtIO drivers. The availability and status of the VirtIO drivers depends on the guest OS and platform.

Windows OS Support

Windows does not have native support for VirtIO devices included. But, there is excellent external support through opensource drivers, which are available compiled and signed for Windows:

https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/?C=M;O=D

Note that this repository provides not only the most recent, but also many older versions. Those older versions can still be useful when a Windows VM shows instability or incompatibility with a newer driver version.

The binary drivers are digitally signed by Red Hat, and will work on 32-bit and 64-bit versions of Windows

Installation

Using the ISO

You can download the latest stable or you can download the most recent build of the ISO. Normally the drivers are pretty stable, so one should try out the most recent release first.

You can access the ISO in a VM by mounting the ISO with a virtual CD-ROM/DVD drive on that VM.

Wizard Installation

Wizard Installation

You can use an easy wizard to install all, or a selection, of VirtIO drivers.

  1. Open the Windows Explorer and navigate to the CD-ROM drive.
  2. Simply execute (double-click on) virtio-win-gt-x64
  3. Follow its instructions.
  4. (Optional) use the virtio-win-guest-tools wizard to install the QEMU Guest Agent and the SPICE agent for an improved remote-viewer experience.
  5. Reboot VM

Manual Installation

  1. Open the Windows Explorer and navigate to the CD-ROM drive.
    There you can see that the ISO consists of several directories, each having sub-directories for supported OS version (for example, 2k19, 2k12R2, w7, w8.1, w10, ...).
    • Balloon
    • guest-agent
    • NetKVM
    • qxl
    • vioscsi
    • ...
    Manual Installation
  2. Navigate to the desired driver directories and respective Windows Version
  3. Right-click on the file with type "Setup Information"
  4. A context menu opens, select "Install" here.
  5. Repeat that process for all desired drivers
  6. Reboot VM.

Downloading the Wizard in the VM

You can also just download the most recent virtio-win-gt-x64.msi or virtio-win-gt-x86.msi from inside the VM, if you have already network access.

Then just execute it and follow the installation process.

Troubleshooting

Try an older version of the drivers first, if that does not help ask in one of our support channels: https://pve.proxmox.com/wiki/Get_support

Further Reading

https://docs.fedoraproject.org/en-US/quick-docs/creating-windows-virtual-machines-using-virtio-drivers/index.html

http://www.linux-kvm.org/page/WindowsGuestDrivers

The source code of those drivers can be found here: https://github.com/virtio-win/kvm-guest-drivers-windows

http://www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers

See also