From deed94c0f111ad6c2e092ee5c124688c174ac816 Mon Sep 17 00:00:00 2001
From: Arthur Hanson Rasmusson <arthur@vgpu.io>
Date: Mon, 21 Sep 2026 04:42:08 -0400
Subject: Fix create_mdev.sh type names and update launch_qemu_vgpu.sh with
 install/run modes

---
 scripts/create_mdev.sh      |  4 +--
 scripts/launch_qemu_vgpu.sh | 69 +++++++++++++++++++++++++++------------------
 2 files changed, 44 insertions(+), 29 deletions(-)

(limited to 'scripts')

diff --git a/scripts/create_mdev.sh b/scripts/create_mdev.sh
index a6ea91e..7bafaae 100755
--- a/scripts/create_mdev.sh
+++ b/scripts/create_mdev.sh
@@ -5,10 +5,10 @@
 set -euo pipefail
 
 PCI_ADDR="${1:-}"
-VGPU_TYPE="${2:-pci-nvidia-vgpu-turing}"
+VGPU_TYPE="${2:-nvidia-nvidia-vgpu-turing}"
 
 # Supported vGPU types (matching the mdev type names)
-VALID_TYPES=("pci-nvidia-vgpu-ampere" "pci-nvidia-vgpu-hopper" "pci-nvidia-vgpu-turing" "pci-nvidia-vgpu-pascal")
+VALID_TYPES=("nvidia-nvidia-vgpu-ampere" "nvidia-nvidia-vgpu-hopper" "nvidia-nvidia-vgpu-turing" "nvidia-nvidia-vgpu-pascal")
 
 # Find NVIDIA GPU if not specified
 if [[ -z "$PCI_ADDR" ]]; then
diff --git a/scripts/launch_qemu_vgpu.sh b/scripts/launch_qemu_vgpu.sh
index 5a57737..2b64f63 100755
--- a/scripts/launch_qemu_vgpu.sh
+++ b/scripts/launch_qemu_vgpu.sh
@@ -1,14 +1,26 @@
 #!/bin/bash
 # launch_qemu_vgpu.sh - Launch QEMU with NVIDIA vGPU mediated device
-# Usage: ./launch_qemu_vgpu.sh [MDEV_UUID] [GUEST_IMAGE] [OPTIONS]
+# Usage: ./launch_qemu_vgpu.sh [install|run] [MDEV_UUID] [GUEST_IMAGE] [OPTIONS]
 
 set -euo pipefail
 
+MODE="${1:-run}"
+if [[ "$MODE" == "install" ]]; then
+    shift
+elif [[ "$MODE" == "run" ]]; then
+    shift
+else
+    # Default to run if first arg doesn't match
+    MODE="run"
+fi
+
 MDEV_UUID="${1:-}"
 GUEST_IMAGE="${2:-/var/lib/libvirt/images/ubuntu-22.04.qcow2}"
 shift 2 || true
 EXTRA_QEMU_ARGS=("$@")
 
+ISO_IMAGE="/var/lib/libvirt/images/ubuntu-24.04.5-live-server-amd64.iso"
+
 # Find mdev device if UUID not specified
 if [[ -z "$MDEV_UUID" ]]; then
     echo "Scanning for available mdev devices..."
@@ -62,7 +74,7 @@ VGPU_TYPE=$(cat "$MDEV_PATH/mdev_type/name" 2>/dev/null || echo "unknown")
 PCI_ADDR=$(readlink -f "$MDEV_PATH/../../.." | xargs basename)
 
 echo "=========================================="
-echo "Launching QEMU with NVIDIA vGPU"
+echo "Launching QEMU with NVIDIA vGPU ($MODE mode)"
 echo "=========================================="
 echo "mdev UUID:  $MDEV_UUID"
 echo "vGPU Type:  $VGPU_TYPE"
@@ -87,21 +99,13 @@ HUGEPAGE_OPTS=(
 
 # VFIO device configuration
 VFIO_OPTS=(
-    -device vfio-pci,sysfsdev="$MDEV_PATH",display=off,x-igd-opregion=on
-    -device vfio-pci,sysfsdev="$MDEV_PATH",display=off,romfile=
+    -device vfio-pci,sysfsdev="$MDEV_PATH",display=off
 )
 
-# Display (use SPICE/VNC for headless, or virtio-gpu for local)
+# Display - use qxl-vga with GTK for local visible window
 DISPLAY_OPTS=(
-    -vga none
-    -display none
-    # Uncomment for VNC:
-    # -vnc :1
-    # Uncomment for SPICE:
-    # -spice port=5900,addr=127.0.0.1,disable-ticketing=on
-    # -device virtio-serial-pci
-    # -device virtserialport,chardev=spicechannel0,name=com.redhat.spice.0
-    # -chardev spicevmc,id=spicechannel0,name=vdagent
+    -device qxl-vga
+    -display gtk
 )
 
 # Network
@@ -111,11 +115,22 @@ NET_OPTS=(
 )
 
 # Storage
-STORAGE_OPTS=(
-    -drive file="$GUEST_IMAGE",format=qcow2,if=virtio,cache=writeback,aio=threads
-    # Add ISO for installation:
-    # -drive file=/path/to/ubuntu-22.04-live-server-amd64.iso,format=raw,if=virtio,media=cdrom
-)
+if [[ "$MODE" == "install" ]]; then
+    if [[ ! -f "$ISO_IMAGE" ]]; then
+        echo "ERROR: ISO image not found: $ISO_IMAGE"
+        exit 1
+    fi
+    STORAGE_OPTS=(
+        -drive file="$GUEST_IMAGE",format=qcow2,if=virtio,cache=writeback,aio=threads
+        -drive file="$ISO_IMAGE",format=raw,if=virtio,media=cdrom
+    )
+    echo "Installation mode: ISO attached ($ISO_IMAGE)"
+else
+    STORAGE_OPTS=(
+        -drive file="$GUEST_IMAGE",format=qcow2,if=virtio,cache=writeback,aio=threads
+    )
+    echo "Run mode: No ISO attached"
+fi
 
 # USB tablet for better mouse integration
 USB_OPTS=(
@@ -129,12 +144,10 @@ RNG_OPTS=(
     -device virtio-rng-pci,rng=rng0
 )
 
-# TPM (optional, for Windows guests)
-# TPM_OPTS=(
-#     -chardev socket,id=chrtpm,path=/var/run/tpm-emulator/swtpm-sock
-#     -tpmdev emulator,id=tpm0,chardev=chrtpm
-#     -device tpm-tis,tpmdev=tpm0
-# )
+# Serial log for debugging
+SERIAL_OPTS=(
+    -serial file:/tmp/qemu-serial.log
+)
 
 # QEMU command
 QEMU_CMD=(
@@ -150,6 +163,7 @@ QEMU_CMD=(
     "${STORAGE_OPTS[@]}"
     "${USB_OPTS[@]}"
     "${RNG_OPTS[@]}"
+    "${SERIAL_OPTS[@]}"
     "${EXTRA_QEMU_ARGS[@]}"
     -name "vGPU-Guest-$VGPU_TYPE"
     -pidfile "/tmp/qemu-vgpu-$MDEV_UUID.pid"
@@ -162,17 +176,18 @@ echo ""
 
 "${QEMU_CMD[@]}"
 
-sleep 2
+sleep 3
 
 if [[ -f "/tmp/qemu-vgpu-$MDEV_UUID.pid" ]]; then
     PID=$(cat "/tmp/qemu-vgpu-$MDEV_UUID.pid")
     if kill -0 "$PID" 2>/dev/null; then
         echo "SUCCESS: QEMU started with PID $PID"
         echo ""
+        echo "GTK window should be visible on your display"
         echo "Connect via SSH: ssh -p 2222 user@localhost"
-        echo "Or VNC: vncviewer localhost:1 (if enabled)"
         echo ""
         echo "To stop: kill $PID"
+        echo "Serial log: /tmp/qemu-serial.log"
     else
         echo "ERROR: QEMU failed to start"
         exit 1
-- 
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