QEmu: Emulating all physical HDDs + AHCI + VFIO PCI Passthrough (When available + auto binding)

qemu_wbox.sh

#!/bin/bash
PCI_PASSTHROUGH_DEVS=('01:00.0' '01:00.1')

MOUNTED_STORAGES=($(mount | grep -oh "/dev/sd\w"))
MOUNTED_STORAGES_UNIQUE=($(echo "${MOUNTED_STORAGES[@]}" | tr ' ' '\n' | sort -u | tr '\n' ' '))

if dmesg | grep -i "vfio_pci: add" > /dev/null; then
	export PCI_PASSTHROUGH_USING=1
	vfiobind() {
	    dev="0000:$1"
	    vendor=$(cat /sys/bus/pci/devices/$dev/vendor)
	    device=$(cat /sys/bus/pci/devices/$dev/device)
	    if [ -e /sys/bus/pci/devices/$dev/driver ]; then
		echo $dev > /sys/bus/pci/devices/$dev/driver/unbind
	    fi
	    echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id
	}
	for pciid in "${PCI_PASSTHROUGH_DEVS[@]}"; do
		vfiobind $pciid
	done
else
	export PCI_PASSTHROUGH_USING=0
fi

export MOUNTCOUNT=1

export QEMU_AUDIO_DRV="pa"

rm  /tmp/my_ovmfvars.fd
cp /usr/local/share/edk2.git/ovmf-x64/OVMF_VARS-pure-efi.fd /tmp/my_ovmfvars.fd
qemu-system-x86_64 \
	-drive if=pflash,format=raw,readonly,file=/usr/local/share/edk2.git/ovmf-x64/OVMF_CODE-pure-efi.fd -drive if=pflash,format=raw,file=/tmp/my_ovmfvars.fd \
	-name WBOX720 \
	-enable-kvm \
	-cpu host,kvm=off \
	-smp sockets=1,cores=8,threads=1 \
	-m 6144 \
	-device ahci,id=ahci \
	-drive id=disk0,file=/home/pedrohlc/vboot.img,format=raw,if=none -device ide-drive,drive=disk0,bus=ahci.0 \
	$(
	for hddid in "${MOUNTED_STORAGES_UNIQUE[@]}"; do
		echo "-drive id=disk${MOUNTCOUNT},file=${hddid},format=raw,if=none -device ide-drive,drive=disk${MOUNTCOUNT},bus=ahci.${MOUNTCOUNT} "
		((MOUNTCOUNT++))
	done;) \
	-boot order=c \
	-serial none -parallel none \
	-soundhw hda \
	-net nic -net user,hostname=PedroHLC-WBOX720 \
	$(
	if [ $PCI_PASSTHROUGH_USING -gt 0 ]; then
		echo ''
		echo "-device vfio-pci,host=${PCI_PASSTHROUGH_DEVS[0]},multifunction=on,x-vga=on -device vfio-pci,host=${PCI_PASSTHROUGH_DEVS[1]} "
	fi;)
	#-vga none -nographic 
#To fix Windows clock, either add "-rtc base=localtime" or https://wiki.archlinux.org/index.php/Time#UTC_in_Windows