Refactor GPU passthrough configuration logic
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Reworked the configure_gpu_passthrough function for improved clarity and maintainability. Device entries and permissions are now handled more consistently for both privileged and unprivileged containers, with clearer GID assignment and device indexing. Added more robust verification and messaging for GPU setup and access.
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CanbiZ
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misc/build.func
441
misc/build.func
@ -2247,131 +2247,136 @@ EOF
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}
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}
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# Configure GPU passthrough
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# Configure GPU passthrough
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configure_gpu_passthrough() {
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configure_gpu_passthrough() {
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# Skip if not a GPU app and not privileged
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# Skip if not a GPU app and not privileged
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if [[ "$CT_TYPE" != "0" ]] && ! is_gpu_app "$APP"; then
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if [[ "$CT_TYPE" != "0" ]] && ! is_gpu_app "$APP"; then
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return 0
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fi
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detect_gpu_devices
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# Count available GPU types
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local gpu_count=0
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local available_gpus=()
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if [[ ${#INTEL_DEVICES[@]} -gt 0 ]]; then
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available_gpus+=("INTEL")
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gpu_count=$((gpu_count + 1))
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fi
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if [[ ${#AMD_DEVICES[@]} -gt 0 ]]; then
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available_gpus+=("AMD")
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gpu_count=$((gpu_count + 1))
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fi
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if [[ ${#NVIDIA_DEVICES[@]} -gt 0 ]]; then
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available_gpus+=("NVIDIA")
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gpu_count=$((gpu_count + 1))
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fi
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if [[ $gpu_count -eq 0 ]]; then
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msg_info "No GPU devices found for passthrough"
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return 0
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fi
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local selected_gpu=""
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if [[ $gpu_count -eq 1 ]]; then
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# Automatic selection for single GPU
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selected_gpu="${available_gpus[0]}"
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msg_info "Automatically configuring ${selected_gpu} GPU passthrough"
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else
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# Multiple GPUs - ask user
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echo -e "\n${INFO} Multiple GPU types detected:"
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for gpu in "${available_gpus[@]}"; do
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echo " - $gpu"
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done
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read -rp "Which GPU type to passthrough? (${available_gpus[*]}): " selected_gpu
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selected_gpu="${selected_gpu^^}"
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# Validate selection
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local valid=0
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for gpu in "${available_gpus[@]}"; do
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[[ "$selected_gpu" == "$gpu" ]] && valid=1
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done
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if [[ $valid -eq 0 ]]; then
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msg_warn "Invalid selection. Skipping GPU passthrough."
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return 0
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return 0
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fi
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fi
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fi
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detect_gpu_devices
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# Apply passthrough configuration based on selection
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local dev_idx=0
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# Count available GPU types
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case "$selected_gpu" in
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local gpu_count=0
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INTEL|AMD)
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local available_gpus=()
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local devices=()
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[[ "$selected_gpu" == "INTEL" ]] && devices=("${INTEL_DEVICES[@]}")
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[[ "$selected_gpu" == "AMD" ]] && devices=("${AMD_DEVICES[@]}")
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if [[ ${#INTEL_DEVICES[@]} -gt 0 ]]; then
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# For Proxmox WebUI visibility, add as dev0, dev1 etc.
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available_gpus+=("INTEL")
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for dev in "${devices[@]}"; do
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gpu_count=$((gpu_count + 1))
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if [[ "$CT_TYPE" == "0" ]]; then
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fi
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# Privileged container - use dev entries for WebUI visibility
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# Use initial GID 104 (render) for renderD*, 44 (video) for card*
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if [[ ${#AMD_DEVICES[@]} -gt 0 ]]; then
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if [[ "$dev" =~ renderD ]]; then
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available_gpus+=("AMD")
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echo "dev${dev_idx}: $dev,uid=0,gid=104" >>"$LXC_CONFIG"
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gpu_count=$((gpu_count + 1))
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fi
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if [[ ${#NVIDIA_DEVICES[@]} -gt 0 ]]; then
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available_gpus+=("NVIDIA")
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gpu_count=$((gpu_count + 1))
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fi
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if [[ $gpu_count -eq 0 ]]; then
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msg_info "No GPU devices found for passthrough"
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return 0
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fi
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local selected_gpu=""
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if [[ $gpu_count -eq 1 ]]; then
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# Automatic selection for single GPU
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selected_gpu="${available_gpus[0]}"
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msg_info "Automatically configuring ${selected_gpu} GPU passthrough"
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else
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# Multiple GPUs - ask user
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echo -e "\n${INFO} Multiple GPU types detected:"
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for gpu in "${available_gpus[@]}"; do
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echo " - $gpu"
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done
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read -rp "Which GPU type to passthrough? (${available_gpus[*]}): " selected_gpu
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selected_gpu="${selected_gpu^^}"
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# Validate selection
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local valid=0
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for gpu in "${available_gpus[@]}"; do
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[[ "$selected_gpu" == "$gpu" ]] && valid=1
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done
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if [[ $valid -eq 0 ]]; then
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msg_warn "Invalid selection. Skipping GPU passthrough."
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return 0
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fi
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fi
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# Apply passthrough configuration based on selection
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local dev_idx=0
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case "$selected_gpu" in
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INTEL|AMD)
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local devices=()
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[[ "$selected_gpu" == "INTEL" ]] && devices=("${INTEL_DEVICES[@]}")
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[[ "$selected_gpu" == "AMD" ]] && devices=("${AMD_DEVICES[@]}")
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for dev in "${devices[@]}"; do
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if [[ "$CT_TYPE" == "0" ]]; then
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# Privileged container
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local major minor
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major=$(stat -c '%t' "$dev" 2>/dev/null || echo "0")
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minor=$(stat -c '%T' "$dev" 2>/dev/null || echo "0")
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if [[ "$major" != "0" && "$minor" != "0" ]]; then
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echo "lxc.cgroup2.devices.allow: c $((0x$major)):$((0x$minor)) rwm" >>"$LXC_CONFIG"
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echo "lxc.mount.entry: $dev dev/$(basename "$dev") none bind,optional,create=file" >>"$LXC_CONFIG"
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fi
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else
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else
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# Unprivileged container - use generic GID, will be fixed after start
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echo "dev${dev_idx}: $dev,uid=0,gid=44" >>"$LXC_CONFIG"
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echo "dev${dev_idx}: $dev,uid=0,gid=44" >>"$LXC_CONFIG"
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dev_idx=$((dev_idx + 1))
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fi
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fi
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done
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dev_idx=$((dev_idx + 1))
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# Mount entire /dev/dri for privileged containers
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# Also add cgroup allows for privileged containers
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if [[ "$CT_TYPE" == "0" && -d /dev/dri ]]; then
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local major minor
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echo "lxc.mount.entry: /dev/dri dev/dri none bind,optional,create=dir" >>"$LXC_CONFIG"
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major=$(stat -c '%t' "$dev" 2>/dev/null || echo "0")
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fi
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minor=$(stat -c '%T' "$dev" 2>/dev/null || echo "0")
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export GPU_TYPE="$selected_gpu"
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if [[ "$major" != "0" && "$minor" != "0" ]]; then
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msg_ok "${selected_gpu} GPU passthrough configured"
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echo "lxc.cgroup2.devices.allow: c $((0x$major)):$((0x$minor)) rwm" >>"$LXC_CONFIG"
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;;
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fi
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else
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NVIDIA)
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# Unprivileged container
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if [[ ${#NVIDIA_DEVICES[@]} -eq 0 ]]; then
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if [[ "$dev" =~ renderD ]]; then
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msg_error "NVIDIA drivers not installed on host. Please install: apt install nvidia-driver"
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echo "dev${dev_idx}: $dev,uid=0,gid=104" >>"$LXC_CONFIG"
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return 1
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fi
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for dev in "${NVIDIA_DEVICES[@]}"; do
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if [[ "$CT_TYPE" == "0" ]]; then
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local major minor
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major=$(stat -c '%t' "$dev" 2>/dev/null || echo "0")
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minor=$(stat -c '%T' "$dev" 2>/dev/null || echo "0")
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if [[ "$major" != "0" && "$minor" != "0" ]]; then
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echo "lxc.cgroup2.devices.allow: c $((0x$major)):$((0x$minor)) rwm" >>"$LXC_CONFIG"
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echo "lxc.mount.entry: $dev dev/$(basename "$dev") none bind,optional,create=file" >>"$LXC_CONFIG"
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fi
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else
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else
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msg_warn "NVIDIA passthrough on unprivileged container may not work properly"
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echo "dev${dev_idx}: $dev,uid=0,gid=44" >>"$LXC_CONFIG"
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fi
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fi
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done
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dev_idx=$((dev_idx + 1))
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if [[ "$CT_TYPE" == "0" && -d /dev/dri ]]; then
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echo "lxc.mount.entry: /dev/dri dev/dri none bind,optional,create=dir" >>"$LXC_CONFIG"
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fi
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fi
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done
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export GPU_TYPE="NVIDIA"
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export GPU_TYPE="$selected_gpu"
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msg_ok "NVIDIA GPU passthrough configured"
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msg_ok "${selected_gpu} GPU passthrough configured (${dev_idx} devices)"
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;;
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;;
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esac
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}
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NVIDIA)
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if [[ ${#NVIDIA_DEVICES[@]} -eq 0 ]]; then
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msg_error "NVIDIA drivers not installed on host. Please install: apt install nvidia-driver"
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return 1
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fi
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for dev in "${NVIDIA_DEVICES[@]}"; do
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# NVIDIA devices typically need different handling
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echo "dev${dev_idx}: $dev,uid=0,gid=44" >>"$LXC_CONFIG"
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dev_idx=$((dev_idx + 1))
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if [[ "$CT_TYPE" == "0" ]]; then
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local major minor
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major=$(stat -c '%t' "$dev" 2>/dev/null || echo "0")
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minor=$(stat -c '%T' "$dev" 2>/dev/null || echo "0")
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if [[ "$major" != "0" && "$minor" != "0" ]]; then
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echo "lxc.cgroup2.devices.allow: c $((0x$major)):$((0x$minor)) rwm" >>"$LXC_CONFIG"
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fi
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fi
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done
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export GPU_TYPE="NVIDIA"
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msg_ok "NVIDIA GPU passthrough configured (${dev_idx} devices)"
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;;
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esac
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}
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# Additional device passthrough
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# Additional device passthrough
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configure_additional_devices() {
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configure_additional_devices() {
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@ -2447,87 +2452,145 @@ EOF
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msg_warn "Network reachable but gateway check failed"
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msg_warn "Network reachable but gateway check failed"
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fi
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fi
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fi
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fi
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# Function to get correct GID inside container
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Function to get correct GID inside container
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get_container_gid() {
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get_container_gid() {
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local group="$1"
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local group="$1"
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local gid=$(pct exec "$CTID" -- getent group "$group" 2>/dev/null | cut -d: -f3)
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local gid=$(pct exec "$CTID" -- getent group "$group" 2>/dev/null | cut -d: -f3)
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echo "${gid:-44}" # Default to 44 if not found
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echo "${gid:-44}" # Default to 44 if not found
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}
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}
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# Install GPU drivers and fix permissions
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# Configure GPU passthrough
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if [[ -n "${GPU_TYPE:-}" ]]; then
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configure_gpu_passthrough() {
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msg_info "Installing GPU userland drivers for ${GPU_TYPE}"
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# Skip if not a GPU app and not privileged
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if [[ "$CT_TYPE" != "0" ]] && ! is_gpu_app "$APP"; then
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case "$GPU_TYPE" in
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return 0
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INTEL|AMD)
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if [[ "$var_os" == "alpine" ]]; then
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pct exec "$CTID" -- apk add mesa-dri-gallium mesa-va-gallium intel-media-driver libva-utils 2>/dev/null || true
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else
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pct exec "$CTID" -- bash -c "apt-get update && apt-get install -y vainfo intel-media-va-driver-non-free mesa-va-drivers" 2>/dev/null || true
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fi
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# Fix permissions with correct GID
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local video_gid=$(get_container_gid "video")
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local render_gid=$(get_container_gid "render")
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msg_info "Setting GPU permissions (video:${video_gid}, render:${render_gid})"
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# Fix device permissions inside container
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if [[ "$CT_TYPE" == "0" ]]; then
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pct exec "$CTID" -- bash -c "
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if [ -d /dev/dri ]; then
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chgrp ${video_gid} /dev/dri 2>/dev/null || true
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chmod 755 /dev/dri
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for dev in /dev/dri/*; do
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if [[ \"\$dev\" =~ renderD ]]; then
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chgrp ${render_gid} \"\$dev\" 2>/dev/null || true
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else
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chgrp ${video_gid} \"\$dev\" 2>/dev/null || true
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fi
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chmod 660 \"\$dev\"
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done
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fi
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"
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else
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# For unprivileged containers, update the LXC config with correct GIDs
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msg_info "Updating unprivileged container device GIDs"
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# Stop container to update config
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pct stop "$CTID"
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# Update device entries with correct GIDs
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sed -i "s/dev\([0-9]\+\):.*renderD.*/dev\1: \/dev\/dri\/renderD*, gid=${render_gid}/" "$LXC_CONFIG"
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sed -i "s/dev\([0-9]\+\):.*card.*/dev\1: \/dev\/dri\/card*, gid=${video_gid}/" "$LXC_CONFIG"
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# Restart container
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pct start "$CTID"
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sleep 5
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fi
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# Verify GPU access
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if pct exec "$CTID" -- vainfo >/dev/null 2>&1; then
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msg_ok "${GPU_TYPE} GPU verified working"
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else
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msg_warn "${GPU_TYPE} GPU verification failed - may need additional configuration"
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fi
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;;
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NVIDIA)
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if [[ "$var_os" != "alpine" ]]; then
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pct exec "$CTID" -- bash -c "apt-get update && apt-get install -y nvidia-driver nvidia-utils libnvidia-encode1" 2>/dev/null || true
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else
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msg_warn "NVIDIA drivers not available in Alpine repos"
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fi
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if pct exec "$CTID" -- nvidia-smi >/dev/null 2>&1; then
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msg_ok "NVIDIA GPU verified working"
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else
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msg_warn "NVIDIA GPU verification failed"
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fi
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;;
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esac
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fi
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fi
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detect_gpu_devices
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# Count available GPU types
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local gpu_count=0
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local available_gpus=()
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if [[ ${#INTEL_DEVICES[@]} -gt 0 ]]; then
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available_gpus+=("INTEL")
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gpu_count=$((gpu_count + 1))
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fi
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if [[ ${#AMD_DEVICES[@]} -gt 0 ]]; then
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available_gpus+=("AMD")
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gpu_count=$((gpu_count + 1))
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fi
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if [[ ${#NVIDIA_DEVICES[@]} -gt 0 ]]; then
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available_gpus+=("NVIDIA")
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gpu_count=$((gpu_count + 1))
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fi
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if [[ $gpu_count -eq 0 ]]; then
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msg_info "No GPU devices found for passthrough"
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return 0
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fi
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local selected_gpu=""
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|
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if [[ $gpu_count -eq 1 ]]; then
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# Automatic selection for single GPU
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||||||
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selected_gpu="${available_gpus[0]}"
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msg_info "Automatically configuring ${selected_gpu} GPU passthrough"
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else
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# Multiple GPUs - ask user
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||||||
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echo -e "\n${INFO} Multiple GPU types detected:"
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||||||
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for gpu in "${available_gpus[@]}"; do
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echo " - $gpu"
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done
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read -rp "Which GPU type to passthrough? (${available_gpus[*]}): " selected_gpu
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|
selected_gpu="${selected_gpu^^}"
|
||||||
|
|
||||||
|
# Validate selection
|
||||||
|
local valid=0
|
||||||
|
for gpu in "${available_gpus[@]}"; do
|
||||||
|
[[ "$selected_gpu" == "$gpu" ]] && valid=1
|
||||||
|
done
|
||||||
|
|
||||||
|
if [[ $valid -eq 0 ]]; then
|
||||||
|
msg_warn "Invalid selection. Skipping GPU passthrough."
|
||||||
|
return 0
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Apply passthrough configuration based on selection
|
||||||
|
local dev_idx=0
|
||||||
|
|
||||||
|
case "$selected_gpu" in
|
||||||
|
INTEL|AMD)
|
||||||
|
local devices=()
|
||||||
|
[[ "$selected_gpu" == "INTEL" ]] && devices=("${INTEL_DEVICES[@]}")
|
||||||
|
[[ "$selected_gpu" == "AMD" ]] && devices=("${AMD_DEVICES[@]}")
|
||||||
|
|
||||||
|
# For Proxmox WebUI visibility, add as dev0, dev1 etc.
|
||||||
|
for dev in "${devices[@]}"; do
|
||||||
|
if [[ "$CT_TYPE" == "0" ]]; then
|
||||||
|
# Privileged container - use dev entries for WebUI visibility
|
||||||
|
# Use initial GID 104 (render) for renderD*, 44 (video) for card*
|
||||||
|
if [[ "$dev" =~ renderD ]]; then
|
||||||
|
echo "dev${dev_idx}: $dev,uid=0,gid=104" >>"$LXC_CONFIG"
|
||||||
|
else
|
||||||
|
echo "dev${dev_idx}: $dev,uid=0,gid=44" >>"$LXC_CONFIG"
|
||||||
|
fi
|
||||||
|
dev_idx=$((dev_idx + 1))
|
||||||
|
|
||||||
|
# Also add cgroup allows for privileged containers
|
||||||
|
local major minor
|
||||||
|
major=$(stat -c '%t' "$dev" 2>/dev/null || echo "0")
|
||||||
|
minor=$(stat -c '%T' "$dev" 2>/dev/null || echo "0")
|
||||||
|
|
||||||
|
if [[ "$major" != "0" && "$minor" != "0" ]]; then
|
||||||
|
echo "lxc.cgroup2.devices.allow: c $((0x$major)):$((0x$minor)) rwm" >>"$LXC_CONFIG"
|
||||||
|
fi
|
||||||
|
else
|
||||||
|
# Unprivileged container
|
||||||
|
if [[ "$dev" =~ renderD ]]; then
|
||||||
|
echo "dev${dev_idx}: $dev,uid=0,gid=104" >>"$LXC_CONFIG"
|
||||||
|
else
|
||||||
|
echo "dev${dev_idx}: $dev,uid=0,gid=44" >>"$LXC_CONFIG"
|
||||||
|
fi
|
||||||
|
dev_idx=$((dev_idx + 1))
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
export GPU_TYPE="$selected_gpu"
|
||||||
|
msg_ok "${selected_gpu} GPU passthrough configured (${dev_idx} devices)"
|
||||||
|
;;
|
||||||
|
|
||||||
|
NVIDIA)
|
||||||
|
if [[ ${#NVIDIA_DEVICES[@]} -eq 0 ]]; then
|
||||||
|
msg_error "NVIDIA drivers not installed on host. Please install: apt install nvidia-driver"
|
||||||
|
return 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
for dev in "${NVIDIA_DEVICES[@]}"; do
|
||||||
|
# NVIDIA devices typically need different handling
|
||||||
|
echo "dev${dev_idx}: $dev,uid=0,gid=44" >>"$LXC_CONFIG"
|
||||||
|
dev_idx=$((dev_idx + 1))
|
||||||
|
|
||||||
|
if [[ "$CT_TYPE" == "0" ]]; then
|
||||||
|
local major minor
|
||||||
|
major=$(stat -c '%t' "$dev" 2>/dev/null || echo "0")
|
||||||
|
minor=$(stat -c '%T' "$dev" 2>/dev/null || echo "0")
|
||||||
|
|
||||||
|
if [[ "$major" != "0" && "$minor" != "0" ]]; then
|
||||||
|
echo "lxc.cgroup2.devices.allow: c $((0x$major)):$((0x$minor)) rwm" >>"$LXC_CONFIG"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
|
||||||
|
export GPU_TYPE="NVIDIA"
|
||||||
|
msg_ok "NVIDIA GPU passthrough configured (${dev_idx} devices)"
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
}
|
||||||
|
|
||||||
# Continue with standard container setup
|
# Continue with standard container setup
|
||||||
msg_info "Customizing LXC Container"
|
msg_info "Customizing LXC Container"
|
||||||
|
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user