dc45da17fe
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Bump build.func Revision / bump-revision (push) Has been cancelled
Introduces the _is_gpu_app function to check if an app benefits from GPU passthrough, and updates the GPU app list to use lowercase names for consistency. The select_hw_passthrough function now only proceeds for GPU apps or when CTTYPE is 0.
304 lines
8.5 KiB
Bash
304 lines
8.5 KiB
Bash
#!/usr/bin/env bash
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# passthrough.func — host-side passthrough logic (VAAPI & NVIDIA) for LXC
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# This file ONLY touches host config (/etc/pve/lxc/<CTID>.conf) and whiptail.
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# Inside-CT package setup lives in *_inside_setup (called from build.func).
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# --------------------------- Common helpers -----------------------------------
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_whiptail_dims() {
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local n="$1" L="$2"
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local maxW=$((L + 8))
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((maxW < 70)) && maxW=70
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((maxW > 100)) && maxW=100
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local H=$((10 + n * 2))
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((H > 22)) && H=22
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echo "$H $maxW"
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}
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select_hw_passthrough() {
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local CTID="$1" CTTYPE="$2" APP="$3"
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local LXC_CONFIG="/etc/pve/lxc/${CTID}.conf"
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if ! _is_gpu_app "$APP" && [[ "$CTTYPE" != "0" ]]; then
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return
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fi
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local choices=()
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[[ -d /dev/dri ]] && choices+=("VAAPI" "Intel/AMD GPU via VAAPI" OFF)
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compgen -G "/dev/nvidia*" >/dev/null && choices+=("NVIDIA" "NVIDIA GPU passthrough" OFF)
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# no GPUs found
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[[ ${#choices[@]} -eq 0 ]] && {
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msg_info "No GPU devices detected"
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return
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}
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local SELECTED
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if [[ ${#choices[@]} -eq 2 ]]; then
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# both available → show whiptail
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SELECTED=$(whiptail --title "GPU Passthrough" \
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--checklist "Select GPU passthrough for CT $CTID:" 12 70 2 \
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"${choices[@]}" 3>&1 1>&2 2>&3) || return
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else
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# only one option → auto-select
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SELECTED="\"${choices[0]}\""
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msg_info "Auto-selecting GPU passthrough: ${choices[0]}"
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fi
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for sel in $SELECTED; do
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case "$sel" in
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"\"VAAPI\"")
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export ENABLE_VAAPI=1
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vaapi_select_and_apply "$CTID" "$CTTYPE"
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;;
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"\"NVIDIA\"")
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export ENABLE_NVIDIA=1
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nvidia_passthrough_to_lxc "$CTID" "$CTTYPE"
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;;
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esac
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done
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}
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# Apps that benefit from GPU passthrough (VAAPI + NVIDIA)
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_GPU_APPS=(
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immich
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channels
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emby
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ersatztv
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frigate
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jellyfin
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plex
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scrypted
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tdarr
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unmanic
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ollama
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fileflows
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"open webui"
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tunarr
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debian
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)
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_is_gpu_app() {
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local app="$1"
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local a
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shopt -s nocasematch
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for a in "${_GPU_APPS[@]}"; do
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[[ "$app" == "$a" ]] && shopt -u nocasematch && return 0
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done
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shopt -u nocasematch
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return 1
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}
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# ------------------------------ USB -------------------------------------------
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usb_handle_passthrough() {
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local CTID="$1" CTTYPE="$2"
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local LXC_CONFIG="/etc/pve/lxc/${CTID}.conf"
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[[ "$CTTYPE" != "0" ]] && return 0 # USB passthrough only for privileged CTs
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cat <<EOF >>"$LXC_CONFIG"
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# USB passthrough
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lxc.cgroup2.devices.allow: a
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lxc.cap.drop:
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lxc.cgroup2.devices.allow: c 188:* rwm
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lxc.cgroup2.devices.allow: c 189:* rwm
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lxc.mount.entry: /dev/serial/by-id dev/serial/by-id none bind,optional,create=dir
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lxc.mount.entry: /dev/ttyUSB0 dev/ttyUSB0 none bind,optional,create=file
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lxc.mount.entry: /dev/ttyUSB1 dev/ttyUSB1 none bind,optional,create=file
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lxc.mount.entry: /dev/ttyACM0 dev/ttyACM0 none bind,optional,create=file
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lxc.mount.entry: /dev/ttyACM1 dev/ttyACM1 none bind,optional,create=file
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EOF
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}
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# ------------------------------ VAAPI -----------------------------------------
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_vaapi_gid() {
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local g="$1" gid
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gid="$(getent group "$g" | cut -d: -f3)"
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case "$g" in
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video) echo "${gid:-44}" ;;
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render) echo "${gid:-104}" ;;
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*) echo "${gid:-44}" ;;
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esac
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}
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_vaapi_pairs() {
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local seen=() by real id idx card pci pci_info name
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shopt -s nullglob
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for by in /dev/dri/by-path/*-render /dev/dri/renderD*; do
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[[ -e "$by" ]] || continue
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real="$(readlink -f "$by" || true)"
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[[ -e "$real" ]] || continue
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id="$(basename "$real")"
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[[ " ${seen[*]} " == *" $id "* ]] && continue
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seen+=("$id")
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idx="${id#renderD}"
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[[ "$idx" =~ ^[0-9]+$ ]] && idx=$((idx - 128)) || idx=0
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card="/dev/dri/card${idx}"
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[[ -e "$card" ]] || card=""
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if [[ "$by" == *"/by-path/"* ]]; then
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pci="$(basename "$by" | sed -E 's/^pci-([0-9a-fA-F:.]+)-render/\1/')"
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pci_info="$(lspci -nn 2>/dev/null | grep -i "${pci#0000:}" || true)"
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name="${pci_info#*: }"
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[[ -z "$name" ]] && name="GPU ${pci}"
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else
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name="DRM $(basename "$real")"
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fi
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label="$(basename "$real")"
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[[ -n "$card" ]] && label+=" + $(basename "$card")"
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label+=" – ${name}"
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printf "%s:%s\t%s\n" "$real" "$card" "$label"
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done
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shopt -u nullglob
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}
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vaapi_select_and_apply() {
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local CTID="$1" CTTYPE="$2"
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local LXC_CONFIG="/etc/pve/lxc/${CTID}.conf"
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mapfile -t pairs < <(_vaapi_pairs)
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((${#pairs[@]} == 0)) && {
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msg_warn "No VAAPI devices detected – skipping."
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return
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}
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local items=() maxlen=0
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for p in "${pairs[@]}"; do
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local devs="${p%%$'\t'*}" label="${p#*$'\t'}"
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items+=("$devs" "$label" "OFF")
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((${#label} > maxlen)) && maxlen=${#label}
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done
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read -r h w < <(_whiptail_dims $((${#items[@]} / 3)) "$maxlen")
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local SELECTED
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SELECTED="$(whiptail --title "VAAPI Device Selection" \
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--checklist "Select VAAPI devices for CT $CTID:" "$h" "$w" 6 \
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"${items[@]}" 3>&1 1>&2 2>&3)" || {
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msg_warn "VAAPI selection cancelled."
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return
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}
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[[ -z "$SELECTED" ]] && {
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msg_warn "No VAAPI devices selected."
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return
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}
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local DID_MOUNT_DRI=0 idx=0
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for dev in $SELECTED; do
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dev="${dev%\"}"
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dev="${dev#\"}"
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IFS=":" read -r path card <<<"$dev"
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for d in "$path" "$card"; do
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[[ -n "$d" && -e "$d" ]] || continue
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if [[ "$CTTYPE" == "0" ]]; then
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[[ $DID_MOUNT_DRI -eq 0 && -d /dev/dri ]] && {
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echo "lxc.mount.entry: /dev/dri /dev/dri none bind,optional,create=dir" >>"$LXC_CONFIG"
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DID_MOUNT_DRI=1
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}
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if mm=$(stat -c '%t:%T' "$d" | awk -F: '{printf "%d:%d","0x"$1,"0x"$2}'); then
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echo "lxc.cgroup2.devices.allow: c $mm rwm" >>"$LXC_CONFIG"
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echo "lxc.mount.entry: $d $d none bind,optional,create=file" >>"$LXC_CONFIG"
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fi
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else
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gid=$([[ "$d" =~ renderD ]] && _vaapi_gid render || _vaapi_gid video)
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echo "dev${idx}: $d,gid=${gid}" >>"$LXC_CONFIG"
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idx=$((idx + 1))
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fi
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done
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done
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[[ "$CTTYPE" == "0" ]] && cat <<'EOF' >>"$LXC_CONFIG"
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# VAAPI fallback
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lxc.mount.entry: /dev/dri /dev/dri none bind,optional,create=dir
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lxc.cgroup2.devices.allow: c 226:* rwm
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EOF
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}
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# ----------------------------- NVIDIA -----------------------------------------
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nvidia_passthrough_to_lxc() {
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local CTID="$1" CTTYPE="$2"
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local LXC_CONFIG="/etc/pve/lxc/${CTID}.conf"
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local found=0
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for dev in /dev/nvidia*; do
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[[ -e "$dev" ]] || continue
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found=1
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if mm="$(stat -c '%t:%T' "$dev" | awk -F: '{printf "%d:%d","0x"$1,"0x"$2}')"; then
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echo "lxc.cgroup2.devices.allow: c $mm rwm" >>"$LXC_CONFIG"
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echo "lxc.mount.entry: $dev $dev none bind,optional,create=file" >>"$LXC_CONFIG"
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fi
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done
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((found == 0)) && {
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msg_warn "No NVIDIA devices found."
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return
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}
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[[ -d /dev/dri && "$CTTYPE" == "0" ]] && echo "lxc.mount.entry: /dev/dri /dev/dri none bind,optional,create=dir" >>"$LXC_CONFIG"
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msg_ok "NVIDIA devices mapped to CT ${CTID}"
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}
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install_vaapi_userland_interactive() {
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. /etc/os-release
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if [[ "$VERSION_CODENAME" == "trixie" ]]; then
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read -r -p "${TAB3}Do you need the intel-media-va-driver-non-free driver for HW encoding (Debian 13 only)? <y/N> " prompt
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if [[ ${prompt,,} =~ ^(y|yes)$ ]]; then
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msg_info "Installing Intel Hardware Acceleration (non-free)"
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cat <<'EOF' >/etc/apt/sources.list.d/non-free.sources
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Types: deb deb-src
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URIs: http://deb.debian.org/debian
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Suites: trixie
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Components: non-free non-free-firmware
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Types: deb deb-src
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URIs: http://deb.debian.org/debian-security
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Suites: trixie-security
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Components: non-free non-free-firmware
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Types: deb deb-src
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URIs: http://deb.debian.org/debian
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Suites: trixie-updates
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Components: non-free non-free-firmware
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EOF
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$STD apt-get update
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$STD apt-get install -y \
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intel-media-va-driver-non-free \
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ocl-icd-libopencl1 \
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mesa-opencl-icd \
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mesa-va-drivers \
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libvpl2 \
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vainfo \
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intel-gpu-tools
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msg_ok "Installed Intel Hardware Acceleration (non-free)"
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return
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fi
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fi
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msg_info "Installing Intel Hardware Acceleration (open packages)"
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$STD apt-get update
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$STD apt-get install -y \
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va-driver-all \
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ocl-icd-libopencl1 \
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mesa-opencl-icd \
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mesa-va-drivers \
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vainfo \
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intel-gpu-tools
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msg_ok "Installed Intel Hardware Acceleration (open packages)"
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}
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install_nvidia_userland_interactive() {
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msg_info "Installing NVIDIA Userland"
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$STD apt-get update
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$STD apt-get install -y \
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nvidia-driver \
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nvidia-utils \
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libnvidia-encode1 \
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libcuda1 || {
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msg_error "Failed to install NVIDIA packages"
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return 1
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}
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msg_ok "Installed NVIDIA Userland"
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}
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