scripts: Add Windows driver installation script

scripts/guests/windows/install-drivers.ps1

@@ -0,0 +1,52 @@
+[CmdletBinding()]
+param (
+    [Parameter(Mandatory, ParameterSetName = "Drivers")]
+    [string]$DriverPath,
+    [Parameter(Mandatory, ParameterSetName = "Msi")]
+    [string]$MsiPath,
+    [Parameter()]
+    [switch]$Shutdown
+)
+
+$ErrorActionPreference = "Stop"
+
+$signature = @'
+[DllImport("Cfgmgr32.dll")]
+public static extern uint CMP_WaitNoPendingInstallEvents(uint dwTimeout);
+public const uint INFINITE = 0xFFFFFFFF;
+public const uint WAIT_OBJECT_0 = 0;
+public const uint WAIT_TIMEOUT = 258;
+public const uint WAIT_FAILED = 0xFFFFFFFF;
+'@
+
+$nativeMethods = Add-Type -MemberDefinition $signature -Name NativeMethods -Namespace XenTools -PassThru
+
+if ($DriverPath) {
+    foreach ($driver in @("xenbus", "xeniface", "xenvbd", "xenvif", "xennet")) {
+        $infPath = (Resolve-Path "$DriverPath\$driver\x64\$driver.inf").Path
+        Write-Output "Attempting install $infPath"
+        pnputil.exe /add-driver $infPath /install
+        if ($LASTEXITCODE -ne 0) {
+            throw "pnputil.exe $LASTEXITCODE"
+        }
+    }
+}
+elseif ($MsiPath) {
+    $resolvedMsiPath = (Resolve-Path $MsiPath).Path
+    Write-Output "Attempting install $resolvedMsiPath"
+    $msiexecProcess = Start-Process -Wait -PassThru msiexec.exe -ArgumentList "/i", "$resolvedMsiPath", "/l*", "C:\other-install.log", "/passive", "/norestart"
+    if ($msiexecProcess.ExitCode -ne 0 -and $msiexecProcess.ExitCode -ne 1641 -and $msiexecProcess.ExitCode -ne 3010) {
+        throw "msiexec.exe $($msiexecProcess.ExitCode)"
+    }
+    # Some installers like XCP-ng 8.2 don't install their drivers using MSI but through their own service (XenInstall).
+    # Leave some time for the installation service to do its thing.
+    Start-Sleep -Seconds 15
+}
+Write-Output "Waiting for install events"
+$nativeMethods::CMP_WaitNoPendingInstallEvents($nativeMethods::INFINITE)
+
+if ($Shutdown) {
+    Write-Output "Shutting down"
+    Start-Sleep -Seconds 5
+    Stop-Computer -Force
+}