#!/bin/bash

export QEMU_AUDIO_DRV=pa
export QEMU_PA_SAMPLE=1024
export QEMU_AUDIO_TIMER_PERIOD=150
export QEMU_PA_SERVER=/run/user/1000/pulse/native

# defrag ram
sudo sh -c "echo 1 > /proc/sys/vm/compact_memory"
# assign hugepages
sudo sysctl -w vm.nr_hugepages=8192

# start qemu
qemu-system-x86_64 -name win10 -S \
    -machine q35,accel=kvm -device intel-iommu \
    -cpu host,hv_time,hv_relaxed,hv_vapic,hv_spinlocks=0x1fff,hv_vendor_id=0xDEADBEEFFF,kvm=off \
    -smp 6,sockets=1,cores=3,threads=2 \
    -m 16G -mem-prealloc -mem-path /dev/hugepages/libvirt/qemu/win10 \
    -drive file=/usr/share/ovmf/x64/OVMF_CODE.fd,if=pflash,format=raw,unit=0,readonly=on \
    -realtime mlock=off \
    -uuid 9d7df055-d6d1-4551-bb25-ef2ddb835c4d \
    -no-user-config \
    -rtc base=localtime,driftfix=slew \
    -global kvm-pit.lost_tick_policy=delay \
    -no-hpet -no-shutdown \
    -global ICH9-LPC.disable_s3=1 \
    -global ICH9-LPC.disable_s4=1 \
    -boot strict=on \
    -device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x1e \
    -device pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x0 \
    -device pcie-root-port,port=0x10,chassis=3,id=pci.3,bus=pcie.0,multifunction=on,addr=0x2 \
    -device pcie-root-port,port=0x11,chassis=4,id=pci.4,bus=pcie.0,addr=0x2.0x1 \
    -device pcie-root-port,port=0x12,chassis=5,id=pci.5,bus=pcie.0,addr=0x2.0x2 \
    -device pcie-root-port,port=0x13,chassis=6,id=pci.6,bus=pcie.0,addr=0x2.0x3 \
    -device pcie-root-port,port=0x14,chassis=7,id=pci.7,bus=pcie.0,addr=0x2.0x4 \
    -device pcie-root-port,port=0x15,chassis=8,id=pci.8,bus=pcie.0,addr=0x2.0x5 \
    -device ich9-usb-ehci1,id=usb,bus=pcie.0,addr=0x1d.0x7 \
    -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pcie.0,multifunction=on,addr=0x1d \
    -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pcie.0,addr=0x1d.0x1 \
    -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pcie.0,addr=0x1d.0x2 \
    -device virtio-scsi-pci,id=scsi0,num_queues=6,bus=pci.5,addr=0x0 \
    -device virtio-serial-pci,id=virtio-serial0,bus=pci.3,addr=0x0 \
    -device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=1 \
    -drive file=$HOME/Documents/virtualmachines/img/win10.img,format=raw,if=none,id=drive-scsi0-0-0-0 \
    -drive file=/dev/disk/by-label/DATA,format=raw,if=none,id=drive-scsi0-0-0-3,cache=none,aio=native \
    -device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=3,drive=drive-scsi0-0-0-3,id=scsi0-0-0-3,write-cache=on \
    -drive if=none,id=drive-sata0-0-1,media=cdrom,readonly=on \
    -device ide-cd,bus=ide.1,drive=drive-sata0-0-1,id=sata0-0-1 \
    -chardev spicevmc,id=charchannel0,name=vdagent \
    -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0 \
    -spice unix,addr=/tmp/win10.sock,disable-ticketing,image-compression=off,seamless-migration=on \
    -device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pcie.0,addr=0x1 \
    -device intel-hda,id=sound0,bus=pci.2,addr=0x2 \
    -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 \
    -chardev spicevmc,id=charredir0,name=usbredir \
    -device usb-redir,chardev=charredir0,id=redir0,bus=usb.0,port=2 \
    -device usb-host,hostbus=1,hostaddr=3,id=hostdev0,bus=usb.0,port=1 \
    -device vfio-pci,host=01:00.0,id=hostdev1,bus=pci.6,addr=0x0 \
    -device vfio-pci,host=00:1f.6,id=hostdev2,bus=pci.2,addr=0x3 \
    -device usb-host,hostbus=1,hostaddr=11,id=hostdev3,bus=usb.0,port=3 \
    -device virtio-balloon-pci,id=balloon0,bus=pci.7,addr=0x0 \
    -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
    -object memory-backend-file,id=shmmem-shmem0,mem-path=/dev/shm/looking-glass,size=33554432,share=yes \
    -device ivshmem-plain,id=shmem0,memdev=shmmem-shmem0,bus=pci.2,addr=0x4 \
    -msg timestamp=on

# free hugepages
sudo sysctl -w vm.nr_hugepages=0