mirror of
https://github.com/vdsm/virtual-dsm.git
synced 2025-02-24 21:40:01 +08:00
73 lines
1.7 KiB
Bash
73 lines
1.7 KiB
Bash
#!/usr/bin/env bash
|
|
set -Eeuo pipefail
|
|
|
|
# Docker environment variables
|
|
|
|
: ${HOST_CPU:=''}
|
|
: ${CPU_MODEL:='host'}
|
|
: ${CPU_FEATURES:='+ssse3,+sse4.1,+sse4.2'}
|
|
|
|
[ "$ARCH" != "amd64" ] && KVM="N"
|
|
|
|
if [[ "$KVM" != [Nn]* ]]; then
|
|
|
|
KVM_ERR=""
|
|
|
|
if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
|
|
if ! grep -q -e vmx -e svm /proc/cpuinfo; then
|
|
KVM_ERR="(vmx/svm disabled)"
|
|
fi
|
|
else
|
|
[ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"
|
|
fi
|
|
|
|
if [ -n "$KVM_ERR" ]; then
|
|
KVM="N"
|
|
error "KVM acceleration not detected $KVM_ERR, this will cause a major loss of performance."
|
|
error "See the FAQ on how to enable it, or continue without KVM by setting KVM=N (not recommended)."
|
|
[[ "$DEBUG" != [Yy1]* ]] && exit 88
|
|
fi
|
|
|
|
fi
|
|
|
|
if [[ "$KVM" != [Nn]* ]]; then
|
|
|
|
KVM_OPTS=",accel=kvm -enable-kvm"
|
|
|
|
if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
|
|
error "Your host CPU does not have the SSE4.2 instruction set that Virtual DSM requires to boot."
|
|
error "Disable KVM by setting KVM=N to emulate a compatible CPU, at the cost of performance."
|
|
[[ "$DEBUG" != [Yy1]* ]] && exit 89
|
|
fi
|
|
|
|
else
|
|
|
|
KVM_OPTS=""
|
|
|
|
if [[ "$CPU_MODEL" == "host"* ]]; then
|
|
if [[ "$ARCH" == "amd64" ]]; then
|
|
CPU_MODEL="max,$CPU_FEATURES"
|
|
else
|
|
CPU_MODEL="qemu64,$CPU_FEATURES"
|
|
fi
|
|
fi
|
|
|
|
fi
|
|
|
|
if [ -z "$HOST_CPU" ]; then
|
|
HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/ */ /g')
|
|
fi
|
|
|
|
if [ -n "$HOST_CPU" ]; then
|
|
HOST_CPU="${HOST_CPU%%,*},,"
|
|
else
|
|
HOST_CPU="QEMU, Virtual CPU,"
|
|
if [ "$ARCH" == "amd64" ]; then
|
|
HOST_CPU="$HOST_CPU X86_64"
|
|
else
|
|
HOST_CPU="$HOST_CPU $ARCH"
|
|
fi
|
|
fi
|
|
|
|
return 0
|