win amd GPU passtrough

portainer-compose-stacks/windows/setup-gpu-passthrough.sh

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+#!/bin/bash
+
+# GPU Passthrough Setup for AMD Strix Halo iGPU to Windows Container
+# This script enables IOMMU and configures VFIO-PCI for GPU passthrough
+
+set -e
+
+echo "=== AMD Strix Halo GPU Passthrough Setup ==="
+echo ""
+
+# Check if running as root
+if [ "$EUID" -ne 0 ]; then 
+    echo "Please run as root (sudo)"
+    exit 1
+fi
+
+# GPU PCI IDs
+GPU_PCI="0000:c5:00.0"
+GPU_AUDIO_PCI="0000:c5:00.1"
+GPU_VENDOR_ID="1002"
+GPU_DEVICE_ID="1586"
+
+# Check current IOMMU status
+echo "Current IOMMU status:"
+cat /proc/cmdline | grep -o "amd_iommu=[^ ]*" || echo "IOMMU not configured in kernel parameters"
+echo ""
+
+# Step 1: Enable IOMMU in GRUB
+echo "Step 1: Checking GRUB configuration..."
+GRUB_FILE="/etc/default/grub"
+
+if ! grep -q "amd_iommu=on" "$GRUB_FILE"; then
+    echo "Adding IOMMU parameters to GRUB..."
+    cp "$GRUB_FILE" "$GRUB_FILE.backup.$(date +%Y%m%d-%H%M%S)"
+    
+    # Update GRUB_CMDLINE_LINUX_DEFAULT
+    sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="\(.*\)"/GRUB_CMDLINE_LINUX_DEFAULT="\1 amd_iommu=on iommu=pt vfio-pci.ids=1002:1586,1002:1640"/' "$GRUB_FILE"
+    
+    # Clean up double spaces
+    sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="  /GRUB_CMDLINE_LINUX_DEFAULT="/' "$GRUB_FILE"
+    
+    echo "Updating GRUB..."
+    update-grub
+    
+    echo ""
+    echo "✓ GRUB updated. IOMMU will be enabled after reboot."
+else
+    echo "✓ IOMMU already configured in GRUB"
+fi
+
+# Step 2: Configure VFIO modules
+echo ""
+echo "Step 2: Configuring VFIO modules..."
+VFIO_CONF="/etc/modprobe.d/vfio.conf"
+
+cat > "$VFIO_CONF" << EOF
+# Bind AMD Strix Halo GPU to VFIO for passthrough
+options vfio-pci ids=1002:1586,1002:1640
+softdep amdgpu pre: vfio-pci
+softdep snd_hda_intel pre: vfio-pci
+EOF
+
+echo "✓ VFIO configuration created"
+
+# Step 3: Update initramfs
+echo ""
+echo "Step 3: Adding VFIO modules to initramfs..."
+MODULES_FILE="/etc/initramfs-tools/modules"
+
+if ! grep -q "vfio_pci" "$MODULES_FILE"; then
+    cat >> "$MODULES_FILE" << EOF
+
+# VFIO modules for GPU passthrough
+vfio
+vfio_iommu_type1
+vfio_pci
+vfio_virqfd
+EOF
+    echo "✓ VFIO modules added to initramfs"
+else
+    echo "✓ VFIO modules already in initramfs"
+fi
+
+echo ""
+echo "Updating initramfs..."
+update-initramfs -u
+
+# Step 4: Summary and next steps
+echo ""
+echo "=== Setup Complete ==="
+echo ""
+echo "Configuration applied:"
+echo "  - IOMMU enabled in GRUB (amd_iommu=on iommu=pt)"
+echo "  - GPU (1002:1586) bound to vfio-pci driver"
+echo "  - Audio (1002:1640) bound to vfio-pci driver"
+echo "  - Initramfs updated with VFIO modules"
+echo ""
+echo "⚠️  REBOOT REQUIRED to apply changes by running: 'sudo update-grub' and 'sudo reboot'"
+echo ""
+echo "After reboot:"
+echo "  1. Verify IOMMU is enabled: dmesg | grep -i iommu"
+echo "  2. Check GPU binding: lspci -nnk -d 1002:1586"
+echo "  3. Start Windows container: docker-compose up -d"
+echo "  4. Install AMD drivers in Windows"
+echo ""
+echo "To reboot now, run: reboot"
+
+
+