#!/bin/ash

vbios='/home/robert/qemu/NVIDIA Quadro M2000 GPU GM206 BIOS Version 84.06.62.00.07-patched.rom'

dvideo='0000:04:00.0'

daudio='0000:04:00.1'

dusbc='0000:00:14.0'

daudio2='0000:00:1b.0'

numthreads=6

ARGS_passthrough="-device vfio-pci,host=$dusbc,id=usb_controller \

-device vfio-pci,host=$daudio2,id=audiodev"

ARGS_passthrough+=" -vga none \

-nographic \

-device vfio-pci,host=$dvideo,id=M2000_video,x-vga=on,multifunction=on,romfile=\"$vbios\" \

-device vfio-pci,host=$daudio,id=M2000_audio"

ARGS_base="\

-name guest=win10,debug-threads=on \

-machine q35,accel=kvm \

-monitor stdio \

-serial none \

-cpu host,hv-vendor-id=whatever,kvm=off \

-enable-kvm \

-smp $numthreads,sockets=1,dies=1,threads=1 \

-m 32G \

-mem-prealloc \

-serial none \

-rtc clock=host,base=localtime \

-net nic,macaddr=00:50:56:a8:09:18 \

-drive file="/home/robert/qemu/Windows_10_21H1/drive1.qcow2",index=0,media=disk \

-drive file="/home/robert/qemu/Windows_10_21H1/drive2_data.qcow2",index=1,media=disk \

-usb"

doas /usr/local/bin/vfio.sh "$dusbc" unbind

doas /usr/local/bin/vfio.sh "$daudio2" unbind

doas /usr/local/bin/gpu_vfio.sh "$dvideo" "$daudio" unbind

cmd="qemu-system-x86_64 $ARGS_base"

cmd+=" $ARGS_passthrough"

echo "$cmd"

eval "$cmd" &

pid=$!

echo "QEMU PID $pid"

sleep 5

echo

hostcpu=(0 1 2 3 4 5 12 13 14 15 16 17)

for cpu in $(seq 0 $numthreads)

do

	p="$(ps -T | \

		grep -m1 "CPU $cpu/KVM" | \

		grep -v grep | \

		awk -F" " '{print $1}')"

	if ! [ -z "$p" ]

	then

		if [ -z "${hostcpu[cpu]}" ]

		then

			echo "cpu$cpu pinning not set"

		else

			taskset -pc ${hostcpu[cpu]} $p

			#sudo /usr/bin/renice -22 $p

		fi

	fi

done

grep -i huge /proc/meminfo

while kill -s 0 $pid

do

	sleep 2

done

echo "qemu is done"

doas /usr/local/bin/gpu_vfio.sh "$dvideo" "$daudio" bind

doas /usr/local/bin/vfio.sh "$daudio2" bind

doas /usr/local/bin/vfio.sh "$dusbc" bind