Easy-GPU-PV/Add-VMGpuPartitionAdapterFiles.psm1

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Function Add-VMGpuPartitionAdapterFiles {
param(
[string]$hostname = $ENV:COMPUTERNAME,
[string]$DriveLetter,
[string]$GPUName
)
If (!($DriveLetter -like "*:*")) {
$DriveLetter = $Driveletter + ":"
}
If ($GPUName -eq "AUTO") {
$PartitionableGPUList = Get-WmiObject -Class "Msvm_PartitionableGpu" -ComputerName $env:COMPUTERNAME -Namespace "ROOT\virtualization\v2"
$DevicePathName = $PartitionableGPUList.Name | Select-Object -First 1
$GPU = Get-PnpDevice | Where-Object {($_.DeviceID -like "*$($DevicePathName.Substring(8,16))*") -and ($_.Status -eq "OK")} | Select-Object -First 1
$GPUName = $GPU.Friendlyname
$GPUServiceName = $GPU.Service
}
Else {
$GPU = Get-PnpDevice | Where-Object {($_.Name -eq "$GPUName") -and ($_.Status -eq "OK")} | Select-Object -First 1
$GPUServiceName = $GPU.Service
}
# Get Third Party drivers used, that are not provided by Microsoft and presumably included in the OS
Write-Host "INFO : Finding and copying driver files for $GPUName to VM. This could take a while..."
$Drivers = Get-WmiObject Win32_PNPSignedDriver | where {$_.DeviceName -eq "$GPUName"}
New-Item -ItemType Directory -Path "$DriveLetter\windows\system32\HostDriverStore" -Force | Out-Null
#copy directory associated with sys file
$servicePath = (Get-WmiObject Win32_SystemDriver | Where-Object {$_.Name -eq "$GPUServiceName"}).Pathname
$ServiceDriverDir = $servicepath.split('\')[0..5] -join('\')
$ServicedriverDest = ("$driveletter" + "\" + $($servicepath.split('\')[1..5] -join('\'))).Replace("DriverStore","HostDriverStore")
if (!(Test-Path $ServicedriverDest)) {
Copy-item -path "$ServiceDriverDir" -Destination "$ServicedriverDest" -Recurse
}
# Initialize the list of detected driver packages as an array
$DriverFolders = @()
foreach ($d in $drivers) {
$DriverFiles = @()
$ModifiedDeviceID = $d.DeviceID -replace "\\", "\\"
$Antecedent = "\\" + $hostname + "\ROOT\cimv2:Win32_PNPSignedDriver.DeviceID=""$ModifiedDeviceID"""
$DriverFiles += Get-WmiObject Win32_PNPSignedDriverCIMDataFile | where {$_.Antecedent -eq $Antecedent}
$DriverName = $d.DeviceName
$DriverID = $d.DeviceID
if ($DriverName -like "NVIDIA*") {
New-Item -ItemType Directory -Path "$driveletter\Windows\System32\drivers\Nvidia Corporation\" -Force | Out-Null
}
foreach ($i in $DriverFiles) {
$path = $i.Dependent.Split("=")[1] -replace '\\\\', '\'
$path2 = $path.Substring(1,$path.Length-2)
$InfItem = Get-Item -Path $path2
$Version = $InfItem.VersionInfo.FileVersion
If ($path2 -like "c:\windows\system32\driverstore\*") {
$DriverDir = $path2.split('\')[0..5] -join('\')
$driverDest = ("$driveletter" + "\" + $($path2.split('\')[1..5] -join('\'))).Replace("driverstore","HostDriverStore")
if (!(Test-Path $driverDest)) {
Copy-item -path "$DriverDir" -Destination "$driverDest" -Recurse
}
}
Else {
$ParseDestination = $path2.Replace("c:", "$driveletter")
$Destination = $ParseDestination.Substring(0, $ParseDestination.LastIndexOf('\'))
if (!$(Test-Path -Path $Destination)) {
New-Item -ItemType Directory -Path $Destination -Force | Out-Null
}
Copy-Item $path2 -Destination $Destination -Force
}
}
}
}