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Mageas be8aee7216
Update: ram
2 weeks ago Update: ram 2 weeks ago

Single GUP Passthrough Config

This is my personal config, for a tutorial, you can read this.

Setup Libvirt

GRUB_CMDLINE_LINUX_DEFAULT="... amd_iommu=on video=efifb:off iommu=pt ..."
unix_sock_group = "libvirt"
unix_sock_rw_perms = "0770"
user = "mageas"
group = "wheel"

Virt Hardware

Display spice
Channel spice
Video QXL
Sound ich*
Serial 1

Display Spice is important to be deleted (Delete all the references of spice in the XML).

0000:04:00:0 NVMe
0000:0c:00:0 RX 6900 XT
0000:0c:00:1 RX 6900 XT
0000:0C:00:4 Audio Controller
0000:05:00:0 USB Controller
Logitech G PRO
PnP Audio Device
Microdia Keyboard

Add TPM:

  • Type: Emulated
  • Model: CRB
  • Version: 2.0

Config Libvirt Hooks



Start/Stop Libvirt Hooks

Create Start Script
set -x

# load variables
source "/etc/libvirt/hooks/kvm.conf"

# Stop display manager
systemctl stop sddm.service

# Unbind VTconsoles
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind

# Unbind EFI Framebuffer
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind

# Avoid a race condition by waiting a couple of seconds. This can be calibrated to be shorter or longer if required for your system
sleep 5

# Unload AMD kernel module
modprobe -r drm_kms_helper
modprobe -r amdgpu
modprobe -r radeon
modprobe -r drm

# Detach GPU devices from host
virsh nodedev-detach $VIRSH_GPU_VIDEO
virsh nodedev-detach $VIRSH_GPU_AUDIO

# Load vfio module
modprobe vfio
modprobe vfio_pci
modprobe vfio_iommu_type1
Create Stop Script
set -x

# load variables
source "/etc/libvirt/hooks/kvm.conf"

# Unload all the vfio modules
modprobe -r vfio_pci
modprobe -r vfio_iommu_type1
modprobe -r vfio

# Attach GPU devices to host
# Use your GPU and HDMI Audio PCI host device
virsh nodedev-reattach $VIRSH_GPU_VIDEO
virsh nodedev-reattach $VIRSH_GPU_AUDIO

# Rebind VTconsoles
echo 1 > /sys/class/vtconsole/vtcon0/bind
echo 1 > /sys/class/vtconsole/vtcon1/bind

# Rebind framebuffer to host
echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/bind

# Load AMD kernel module
modprobe  amdgpu
modprobe  gpu_sched
modprobe  ttm
modprobe  drm_kms_helper
modprobe  i2c_algo_bit
modprobe  drm
modprobe  snd_hda_intel

# Restart Display Manager
systemctl start sddm.service

Video card driver virtualisation detection

    <vendor_id state='on' value='buttplug'/>
    <hidden state='on'/>
  <ioapic driver="kvm"/>

CPU Pinning

  <vcpu placement="static">14</vcpu>
    <vcpupin vcpu="0" cpuset="1"/>
    <vcpupin vcpu="1" cpuset="9"/>
    <vcpupin vcpu="2" cpuset="2"/>
    <vcpupin vcpu="3" cpuset="10"/>
    <vcpupin vcpu="4" cpuset="3"/>
    <vcpupin vcpu="5" cpuset="11"/>
    <vcpupin vcpu="6" cpuset="4"/>
    <vcpupin vcpu="7" cpuset="12"/>
    <vcpupin vcpu="8" cpuset="5"/>
    <vcpupin vcpu="9" cpuset="13"/>
    <vcpupin vcpu="10" cpuset="6"/>
    <vcpupin vcpu="11" cpuset="14"/>
    <vcpupin vcpu="12" cpuset="7"/>
    <vcpupin vcpu="13" cpuset="15"/>
    <emulatorpin cpuset="0,8"/>
    <iothreadpin iothread="1" cpuset="0,8"/>
  <cpu mode="host-passthrough" check="none" migratable="on">
    <topology sockets="1" dies="1" cores="7" threads="2"/>
    <cache mode="passthrough"/>
    <feature policy="require" name="topoext"/>

Hyper-V Enlightenments

<domain type='kvm' xmlns:qemu=''>
    <qemu:arg value="-rtc"/>
    <qemu:arg value="base=localtime"/>
    <qemu:arg value="-cpu"/>
    <qemu:arg value="host,host-cache-info=on,kvm=off,l3-cache=on,kvm-hint-dedicated=on,migratable=no,hv_relaxed,hv_spinlocks=0x1fff,hv_vapic,hv_time,hv_vendor_id=buttplug,+invtsc,+topoext"/>


Create Alloc Script

## Load the config file
source "/etc/libvirt/hooks/kvm.conf"

## Calculate number of hugepages to allocate from memory (in MB)
HUGEPAGES="$(($VM_MEMORY/$(($(grep Hugepagesize /proc/meminfo | awk '{print $2}')/1024))))"

echo "Allocating hugepages..."
echo $HUGEPAGES > /proc/sys/vm/nr_hugepages
ALLOC_PAGES=$(cat /proc/sys/vm/nr_hugepages)

while (( $ALLOC_PAGES != $HUGEPAGES && $TRIES < 1000 ))
  echo 1 > /proc/sys/vm/compact_memory            ## defrag ram
  echo $HUGEPAGES > /proc/sys/vm/nr_hugepages
  ALLOC_PAGES=$(cat /proc/sys/vm/nr_hugepages)
  echo "Succesfully allocated $ALLOC_PAGES / $HUGEPAGES"
  let TRIES+=1

if [ "$ALLOC_PAGES" -ne "$HUGEPAGES" ]
  echo "Not able to allocate all hugepages. Reverting..."
  echo 0 > /proc/sys/vm/nr_hugepages
  exit 1
Create Dealloc Script

echo 0 > /proc/sys/vm/nr_hugepages
  <memory unit="KiB">33554432</memory>
  <currentMemory unit="KiB">33554432</currentMemory>

CPU Governor

Create Performance Script

## Enable CPU governor performance mode
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo "performance" > $file; done
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
Create OnDemand Script

## Enable CPU governor on-demand mode
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo "ondemand" > $file; done
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor


Enable Hyper-V

Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V -All


iwr -useb|iex

Install Chocolatey

Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString(''))

Install Apps

choco install -y geforce-experience discord steam firefox


Windows 10 Activator

@echo off
title Activate Windows 10 ALL versions for FREE!&cls&echo ============================================================================&echo #Project: Activating Microsoft software products for FREE without software&echo ============================================================================&echo.&echo #Supported products:&echo - Windows 10 Home&echo - Windows 10 Home N&echo - Windows 10 Home Single Language&echo - Windows 10 Home Country Specific&echo - Windows 10 Professional&echo - Windows 10 Professional N&echo - Windows 10 Education&echo - Windows 10 Education N&echo - Windows 10 Enterprise&echo - Windows 10 Enterprise N&echo - Windows 10 Enterprise LTSB&echo - Windows 10 Enterprise LTSB N&echo.&echo.&echo ============================================================================&echo Activating your Windows...&cscript //nologo slmgr.vbs /ckms >nul&cscript //nologo slmgr.vbs /upk >nul&cscript //nologo slmgr.vbs /cpky >nul&set i=1&wmic os | findstr /I "enterprise" >nul
if %errorlevel% EQU 0 (cscript //nologo slmgr.vbs /ipk NPPR9-FWDCX-D2C8J-H872K-2YT43 >nul&cscript //nologo slmgr.vbs /ipk DPH2V-TTNVB-4X9Q3-TJR4H-KHJW4 >nul&cscript //nologo slmgr.vbs /ipk WNMTR-4C88C-JK8YV-HQ7T2-76DF9 >nul&cscript //nologo slmgr.vbs /ipk 2F77B-TNFGY-69QQF-B8YKP-D69TJ >nul&cscript //nologo slmgr.vbs /ipk DCPHK-NFMTC-H88MJ-PFHPY-QJ4BJ >nul&cscript //nologo slmgr.vbs /ipk QFFDN-GRT3P-VKWWX-X7T3R-8B639 >nul&goto server) else wmic os | findstr /I "home" >nul
if %errorlevel% EQU 0 (cscript //nologo slmgr.vbs /ipk TX9XD-98N7V-6WMQ6-BX7FG-H8Q99 >nul&cscript //nologo slmgr.vbs /ipk 3KHY7-WNT83-DGQKR-F7HPR-844BM >nul&cscript //nologo slmgr.vbs /ipk 7HNRX-D7KGG-3K4RQ-4WPJ4-YTDFH >nul&cscript //nologo slmgr.vbs /ipk PVMJN-6DFY6-9CCP6-7BKTT-D3WVR >nul&goto server) else wmic os | findstr /I "education" >nul
if %errorlevel% EQU 0 (cscript //nologo slmgr.vbs /ipk NW6C2-QMPVW-D7KKK-3GKT6-VCFB2 >nul&cscript //nologo slmgr.vbs /ipk 2WH4N-8QGBV-H22JP-CT43Q-MDWWJ >nul&goto server) else wmic os | findstr /I "10 pro" >nul
if %errorlevel% EQU 0 (cscript //nologo slmgr.vbs /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX >nul&cscript //nologo slmgr.vbs /ipk MH37W-N47XK-V7XM9-C7227-GCQG9 >nul&goto server) else (goto notsupported)
if %i%==1 set
if %i%==2 set
if %i%==3 set
if %i%==4 goto notsupported
cscript //nologo slmgr.vbs /skms %KMS%:1688 >nul&echo ============================================================================&echo.&echo.
cscript //nologo slmgr.vbs /ato | find /i "successfully" && (echo.&echo ============================================================================&echo.&echo #My official blog: #How it works: #Please feel free to contact me at if you have any questions or concerns.&echo.&echo #Please consider supporting this project: #Your support is helping me keep my servers running everyday!&echo.&echo ============================================================================&choice /n /c YN /m "Would you like to visit my blog [Y,N]?" & if errorlevel 2 exit) || (echo The connection to my KMS server failed! Trying to connect to another one... & echo Please wait... & echo. & echo. & set /a i+=1 & goto server)
explorer ""&goto halt
echo ============================================================================&echo.&echo Sorry! Your version is not supported.&echo.
pause >nul