From 669e85b513bcc8f56b2f5184a3aa4dc59f620dbc Mon Sep 17 00:00:00 2001
From: ahaas25 <ahaas25@umd.edu>
Date: Sun, 23 Feb 2025 23:24:37 -0500
Subject: [PATCH] fix structure

---
 kvm.conf => hooks/kvm.conf                |  0
 qemu => hooks/qemu                        |  0
 hooks/qemu.d/win11/prepare/begin/start.sh | 41 +++++++++++++++++++++++
 hooks/qemu.d/win11/release/end/stop.sh    | 37 ++++++++++++++++++++
 4 files changed, 78 insertions(+)
 rename kvm.conf => hooks/kvm.conf (100%)
 rename qemu => hooks/qemu (100%)
 create mode 100644 hooks/qemu.d/win11/prepare/begin/start.sh
 create mode 100644 hooks/qemu.d/win11/release/end/stop.sh

diff --git a/kvm.conf b/hooks/kvm.conf
similarity index 100%
rename from kvm.conf
rename to hooks/kvm.conf
diff --git a/qemu b/hooks/qemu
similarity index 100%
rename from qemu
rename to hooks/qemu
diff --git a/hooks/qemu.d/win11/prepare/begin/start.sh b/hooks/qemu.d/win11/prepare/begin/start.sh
new file mode 100644
index 0000000..03bc62b
--- /dev/null
+++ b/hooks/qemu.d/win11/prepare/begin/start.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+# Helpful to read output when debugging
+set -x
+
+## Load the config file with our environmental variables
+#source "/etc/libvirt/hooks/kvm.conf"
+
+# Stop display manager
+systemctl stop gdm3
+# Stop ollama
+# systemctl stop ollama
+
+# 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
+sleep 2
+
+# Unload all Nvidia drivers
+modprobe -r nvidia_drm
+modprobe -r nvidia_uvm
+modprobe -r nvidia_modeset
+modprobe -r drm_kms_helper
+modprobe -r nvidia
+modprobe -r i2c_nvidia_gpu
+modprobe -r drm
+
+# Unbind the GPU from display driver
+#virsh nodedev-detach $VIRSH_GPU_VIDEO
+#virsh nodedev-detach $VIRSH_GPU_AUDIO
+virsh nodedev-detach pci_0000_08_00_0
+virsh nodedev-detach pci_0000_08_00_1
+
+# Load VFIO kernel module
+modprobe vfio
+modprobe vfio_pci
+modprobe vfio_iommu_type1
diff --git a/hooks/qemu.d/win11/release/end/stop.sh b/hooks/qemu.d/win11/release/end/stop.sh
new file mode 100644
index 0000000..282cfd2
--- /dev/null
+++ b/hooks/qemu.d/win11/release/end/stop.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+set -x
+
+## Load the config file
+#source "/etc/libvirt/hooks/kvm.conf"
+
+# Unload VFIO-PCI Kernel Driver
+modprobe -r vfio_pci
+modprobe -r vfio_iommu_type1
+modprobe -r vfio
+
+# Re-Bind GPU to AMD Driver
+#virsh nodedev-reattach $VIRSH_GPU_VIDEO
+#virsh nodedev-reattach $VIRSH_GPU_AUDIO
+virsh nodedev-reattach pci_0000_08_00_0
+virsh nodedev-reattach pci_0000_08_00_1
+
+
+# Rebind VT consoles
+echo 1 > /sys/class/vtconsole/vtcon0/bind
+echo 0 > /sys/class/vtconsole/vtcon1/bind
+
+#nvidia-xconfig --query-gpu-info > /dev/null 2>&1
+# Re-Bind EFI-Framebuffer
+echo "efi-framebuffer.0" > /sys/bus/platform/drivers/efi-framebuffer/bind
+
+#Load nvidia driver
+modprobe nvidia_drm
+modprobe nvidia_uvm
+modprobe nvidia_modeset
+modprobe drm_kms_helper
+modprobe nvidia
+modprobe i2c_nvidia_gpu
+modprobe drm
+
+# Restart Display Manager
+systemctl start gdm3