Ruffo324/Hyper-V PCI-Passthroug.ps1

## Hyper-V PCI-Passthroug.ps1
# Change to name of TARGET-VM.
$vm='CHANGE_ME'
# Change to PCI device location (💡 Location).
$Location = 'CHANGE_ME'

# Enable CPU features.
Set-VM -GuestControlledCacheTypes $true -VMName $vm
# Host-Shutdown rule must be changed for the VM.
Set-VM -Name $vm -AutomaticStopAction TurnOff

# Change size to fit your requirements ("💡 Min required MMOU Space").
# (See https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/plan-for-deploying-devices-using-discrete-device-assignment#mmio-space)
Set-VM -LowMemoryMappedIoSpace 3Gb -VMName $vm # 32bit
Set-VM -HighMemoryMappedIoSpace 6Gb -VMName $vm # 64bit

# Dismount device
Dismount-VMHostAssignableDevice -LocationPath $Location
Dismount-VMHostAssignableDevice -force -LocationPath $Location

Add-VMAssignableDevice -LocationPath $Location -VMName $vm

# Try start the VM in Hyper-V manager.
# ❓ Starting fails with: "A hypervisor feature is not available to the user." ❓
# See: https://social.technet.microsoft.com/Forums/ie/en-US/a7c2940a-af32-4dab-8b31-7a605e8cf075/a-hypervisor-feature-is-not-available-to-the-user?forum=WinServerPreview
# Reboot host.
bcdedit /set hypervisoriommupolicy enable
Restart-Computer -Confirm

## List PCI locations and required MMOSpaces.ps1
# SOURCE: https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/plan-for-deploying-devices-using-discrete-device-assignment#machine-profile-script

# 1. Get Powershell script-helper:
curl -o SurveyDDA.ps1 https://raw.githubusercontent.com/MicrosoftDocs/Virtualization-Documentation/live/hyperv-tools/DiscreteDeviceAssignment/SurveyDDA.ps1

# 2. Run the script.
.\SurveyDDA.ps1

# Find your device (must be enabled). See valid example:
#
#
# AMD PSP 3.0 Device                                                <---- 💡 Device name
# Express Endpoint -- more secure.
#    And its interrupts are message-based, assignment can work.
#    And it requires at least: 2 MB of MMIO gap space               <---- 💡 Min required MMOU Space
# PCIROOT(0)#PCI(0701)#PCI(0002)                                    <---- 💡 Location
	# Change to name of TARGET-VM.
	$vm='CHANGE_ME'
	# Change to PCI device location (💡 Location).
	$Location = 'CHANGE_ME'

	# Enable CPU features.
	Set-VM -GuestControlledCacheTypes $true -VMName $vm
	# Host-Shutdown rule must be changed for the VM.
	Set-VM -Name $vm -AutomaticStopAction TurnOff

	# Change size to fit your requirements ("💡 Min required MMOU Space").
	# (See https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/plan-for-deploying-devices-using-discrete-device-assignment#mmio-space)
	Set-VM -LowMemoryMappedIoSpace 3Gb -VMName $vm # 32bit
	Set-VM -HighMemoryMappedIoSpace 6Gb -VMName $vm # 64bit

	# Dismount device
	Dismount-VMHostAssignableDevice -LocationPath $Location
	Dismount-VMHostAssignableDevice -force -LocationPath $Location

	Add-VMAssignableDevice -LocationPath $Location -VMName $vm

	# Try start the VM in Hyper-V manager.
	# ❓ Starting fails with: "A hypervisor feature is not available to the user." ❓
	# See: https://social.technet.microsoft.com/Forums/ie/en-US/a7c2940a-af32-4dab-8b31-7a605e8cf075/a-hypervisor-feature-is-not-available-to-the-user?forum=WinServerPreview
	# Reboot host.
	bcdedit /set hypervisoriommupolicy enable
	Restart-Computer -Confirm
	# SOURCE: https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/plan-for-deploying-devices-using-discrete-device-assignment#machine-profile-script

	# 1. Get Powershell script-helper:
	curl -o SurveyDDA.ps1 https://raw.githubusercontent.com/MicrosoftDocs/Virtualization-Documentation/live/hyperv-tools/DiscreteDeviceAssignment/SurveyDDA.ps1

	# 2. Run the script.
	.\SurveyDDA.ps1

	# Find your device (must be enabled). See valid example:
	#
	#
	# AMD PSP 3.0 Device <---- 💡 Device name
	# Express Endpoint -- more secure.
	# And its interrupts are message-based, assignment can work.
	# And it requires at least: 2 MB of MMIO gap space <---- 💡 Min required MMOU Space
	# PCIROOT(0)#PCI(0701)#PCI(0002) <---- 💡 Location