quickpassthrough/lib/set_MODULES.sh

#!/bin/bash

function set_MODULES () {
    # Get the config paths
    source "$SCRIPTDIR/lib/paths.sh"

    # Write "/etc/modules"
    printf "
# Generated by vfio-setup
vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd
" >> "$SCRIPTDIR/$MODULES"

    # Write "/etc/initramfs-tools/modules"
    printf "
# Generated by vfio-setup
vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd
" >> "$SCRIPTDIR/$INITRAMFS/modules"

    # Assign the GPU device ids to a variable
    GPU_DEVID="$1"

    # Get the kernel_args file content
    CMDLINE=$(cat "$SCRIPTDIR/config/kernel_args")

    # Ask if we shall disable video output on this card
    read -p "Do you want to force disable video output in linux on this card? [Y/n]: " DISABLE_VGA
    case "${DISABLE_VGA}" in
    [Yy]*)
        GPU_DEVID="${GPU_DEVID} disable_vga=1"
        
        # Update kernel_args file
        echo "${CMDLINE} vfio_pci.ids=${GPU_DEVID} vfio_pci.disable_vga=1" > "$SCRIPTDIR/config/kernel_args"
    ;;
    [Nn]*)
        echo ""
    ;;
    *)
        GPU_DEVID="${GPU_DEVID} disable_vga=1"
        
        # Update kernel_args file
        echo "${CMDLINE} vfio_pci.ids=${GPU_DEVID} vfio_pci.disable_vga=1" > "$SCRIPTDIR/config/kernel_args"
    ;;
    esac

    # Write the vfio modprobe config
    printf "# This is an autogenerated file that stubs your graphic card for use with vfio
## This file should be placed inside /etc/modprobe.d/
# Uncomment the line below to \"hardcode\" your graphic card to be bound to the vfio-pci driver.
# In most cases this should not be neccessary, it will also prevent you from turning off vfio in the bootloader.
#options vfio_pci ids=%s

# Make sure vfio_pci is loaded before these modules: nvidia, nouveau, amdgpu and radeon
softdep nvidia pre: vfio vfio_pci
softdep nouveau pre: vfio vfio_pci
softdep amdgpu pre: vfio vfio_pci
softdep radeon pre: vfio vfio_pci
"  "${GPU_DEVID}"  > "$SCRIPTDIR/$MODPROBE/vfio.conf"

    exec "$SCRIPTDIR/lib/get_USB_CTL.sh"
}


function main () {
    SCRIPTDIR=$(dirname "$(which $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")

    set_MODULES "$1"
}

main "$1"