| #!/usr/bin/env bash |
| set -Eeuo pipefail |
|
|
| |
|
|
| : "${HV="Y"}" |
| : "${KVM:="Y"}" |
| : "${VMX:="N"}" |
| : "${CPU_FLAGS:=""}" |
| : "${CPU_MODEL:=""}" |
|
|
| [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring KVM..." |
|
|
| if [[ "$KVM" == [Nn]* ]]; then |
| warn "KVM acceleration is disabled, this will cause the machine to run about 10 times slower!" |
| else |
| if [[ "${ARCH,,}" != "amd64" ]]; then |
| KVM="N" |
| warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for x64 instructions, so the machine will run about 10 times slower." |
| fi |
| fi |
|
|
| if [[ "$KVM" != [Nn]* ]]; then |
|
|
| KVM_ERR="" |
|
|
| if [ ! -e /dev/kvm ]; then |
| KVM_ERR="(/dev/kvm is missing)" |
| else |
| if ! sh -c 'echo -n > /dev/kvm' &> /dev/null; then |
| KVM_ERR="(/dev/kvm is unwriteable)" |
| else |
| flags=$(sed -ne '/^flags/s/^.*: //p' /proc/cpuinfo) |
| if ! grep -qw "vmx\|svm" <<< "$flags"; then |
| KVM_ERR="(not enabled in BIOS)" |
| fi |
| fi |
| fi |
|
|
| if [ -n "$KVM_ERR" ]; then |
| KVM="N" |
| if [[ "$OSTYPE" =~ ^darwin ]]; then |
| warn "you are using macOS which has no KVM support, so the machine will run about 10 times slower." |
| else |
| kernel=$(uname -a) |
| case "${kernel,,}" in |
| *"microsoft"* ) |
| error "Please bind '/dev/kvm' as a volume in the optional container settings when using Docker Desktop." ;; |
| *"synology"* ) |
| error "Please make sure that Synology VMM (Virtual Machine Manager) is installed and that '/dev/kvm' is binded to this container." ;; |
| *) |
| error "KVM acceleration is not available $KVM_ERR, this will cause the machine to run about 10 times slower." |
| error "See the FAQ for possible causes, or disable acceleration by adding the \"KVM=N\" variable (not recommended)." ;; |
| esac |
| [[ "$DEBUG" != [Yy1]* ]] && exit 88 |
| fi |
| fi |
|
|
| fi |
|
|
| vendor=$(lscpu | awk '/Vendor ID/{print $3}') |
|
|
| if [[ "$KVM" != [Nn]* ]]; then |
|
|
| CPU_FEATURES="kvm=on,l3-cache=on,+hypervisor" |
| KVM_OPTS=",accel=kvm -enable-kvm -global kvm-pit.lost_tick_policy=discard" |
|
|
| if [ -z "$CPU_MODEL" ]; then |
| CPU_MODEL="host" |
| CPU_FEATURES+=",migratable=no" |
| fi |
|
|
| if [[ "$VMX" == [Nn]* && "${BOOT_MODE,,}" == "windows"* ]]; then |
| |
| CPU_FEATURES+=",-vmx" |
| fi |
|
|
| if [[ "$vendor" == "AuthenticAMD" ]]; then |
|
|
| |
| if grep -qw "tsc_scale" <<< "$flags"; then |
| CPU_FEATURES+=",+invtsc" |
| fi |
|
|
| if [[ "${BOOT_MODE,,}" == "windows"* ]]; then |
| CPU_FEATURES+=",arch_capabilities=off" |
| fi |
|
|
| else |
|
|
| |
| vmx=$(sed -ne '/^vmx flags/s/^.*: //p' /proc/cpuinfo) |
|
|
| if grep -qw "tsc_scaling" <<< "$vmx"; then |
| CPU_FEATURES+=",+invtsc" |
| fi |
|
|
| fi |
|
|
| if [[ "${BOOT_MODE,,}" == "windows"* && "$HV" != [Nn]* ]]; then |
|
|
| HV_FEATURES="hv_passthrough" |
|
|
| if [[ "$vendor" == "AuthenticAMD" ]]; then |
|
|
| |
| if ! grep -qw "avic" <<< "$flags"; then |
| HV_FEATURES+=",-hv-avic" |
| fi |
|
|
| HV_FEATURES+=",-hv-evmcs" |
|
|
| else |
|
|
| |
| if ! grep -qw "apicv" <<< "$vmx"; then |
| HV_FEATURES+=",-hv-apicv,-hv-evmcs" |
| else |
| if [[ "$CPU" == "Intel Atom "* || "$CPU" == "Intel Celeron "* || "$CPU" == "Intel Pentium "* ]]; then |
| |
| HV_FEATURES+=",-hv-evmcs" |
| fi |
| fi |
|
|
| fi |
|
|
| [ -n "$CPU_FEATURES" ] && CPU_FEATURES+="," |
| CPU_FEATURES+="${HV_FEATURES}" |
|
|
| fi |
|
|
| else |
|
|
| KVM_OPTS="" |
| CPU_FEATURES="l3-cache=on,+hypervisor" |
|
|
| if [[ "$ARCH" == "amd64" ]]; then |
| KVM_OPTS=" -accel tcg,thread=multi" |
| fi |
|
|
| if [ -z "$CPU_MODEL" ]; then |
| if [[ "$ARCH" == "amd64" ]]; then |
|
|
| if [[ "${BOOT_MODE,,}" != "windows"* ]]; then |
|
|
| CPU_MODEL="max" |
| CPU_FEATURES+=",migratable=no" |
|
|
| else |
| if [[ "$vendor" == "AuthenticAMD" ]]; then |
|
|
| |
| CPU_MODEL="EPYC" |
| CPU_FEATURES+=",svm=off,arch_capabilities=off,-fxsr-opt,-misalignsse,-osvw,-topoext,-nrip-save,-xsavec,check" |
|
|
| else |
|
|
| |
| CPU_MODEL="Skylake-Client-v4" |
| CPU_FEATURES+=",vmx=off,-pcid,-tsc-deadline,-invpcid,-spec-ctrl,-xsavec,-xsaves,check" |
|
|
| fi |
| fi |
|
|
| else |
|
|
| |
| CPU_MODEL="Skylake-Client-v4" |
| CPU_FEATURES+=",vmx=off,-pcid,-tsc-deadline,-invpcid,-spec-ctrl,-xsavec,-xsaves,check" |
|
|
| fi |
| fi |
|
|
| fi |
|
|
| if [[ "$ARGUMENTS" == *"-cpu host,"* ]]; then |
|
|
| args="${ARGUMENTS} " |
| prefix="${args/-cpu host,*/}" |
| suffix="${args/*-cpu host,/}" |
| param="${suffix%% *}" |
| suffix="${suffix#* }" |
| args="${prefix}${suffix}" |
| ARGUMENTS="${args::-1}" |
|
|
| if [ -z "$CPU_FLAGS" ]; then |
| CPU_FLAGS="$param" |
| else |
| CPU_FLAGS+=",$param" |
| fi |
|
|
| else |
|
|
| if [[ "$ARGUMENTS" == *"-cpu host"* ]]; then |
| ARGUMENTS="${ARGUMENTS//-cpu host/}" |
| fi |
|
|
| fi |
|
|
| if [ -z "$CPU_FLAGS" ]; then |
| if [ -z "$CPU_FEATURES" ]; then |
| CPU_FLAGS="$CPU_MODEL" |
| else |
| CPU_FLAGS="$CPU_MODEL,$CPU_FEATURES" |
| fi |
| else |
| if [ -z "$CPU_FEATURES" ]; then |
| CPU_FLAGS="$CPU_MODEL,$CPU_FLAGS" |
| else |
| CPU_FLAGS="$CPU_MODEL,$CPU_FEATURES,$CPU_FLAGS" |
| fi |
| fi |
|
|
| return 0 |
|
|
