mirror of
https://github.com/HikariKnight/quickpassthrough.git
synced 2024-09-19 19:38:45 -04:00
106 lines
3.1 KiB
Bash
Executable file
106 lines
3.1 KiB
Bash
Executable file
#!/bin/bash
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function insert_MODULES() {
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# Get the header and enabled modules separately from the /etc/modules file
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local MODULES_HEADER
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local MODULES_ENABLED
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local VENDOR_RESET
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MODULES_HEADER=$(head -n $1 "$2" | grep -P "^#" | grep -v "# Added by quickpassthrough")
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MODULES_ENABLED=$(cat "$2" | grep -vP "^#" | grep -v "vendor-reset")
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VENDOR_RESET=0
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# If vendor-reset is present
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if grep -q "vendor-reset" "$2" ;
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then
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VENDOR_RESET=1
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fi
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# Write header
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echo "$MODULES_HEADER" > "$2"
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# If vendor-reset existed from before
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if [ $VENDOR_RESET == 1 ];
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then
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# Write vendor-reset as the first module!
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echo "vendor-reset" >> "$2"
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fi
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# Append vfio
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printf "
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# Added by quickpassthrough #
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vfio
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vfio_iommu_type1
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vfio_pci
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vfio_virqfd
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#############################
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" >> "$2"
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# Write the previously enabled modules under vfio in the load order
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echo "$MODULES_ENABLED" >> "$2"
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}
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function set_MODULES () {
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# Get the config paths
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source "$SCRIPTDIR/lib/paths.sh"
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# Insert modules in the correct locations as early as possible without
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# conflicting with vendor-reset module if it is enabled
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insert_MODULES 4 "$SCRIPTDIR/$ETCMODULES"
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insert_MODULES 11 "$SCRIPTDIR/$INITRAMFS/modules"
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# Assign the GPU device ids to a variable
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GPU_DEVID="$1"
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# Get the kernel_args file content
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CMDLINE=$(cat "$SCRIPTDIR/config/kernel_args")
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# Ask if we shall disable video output on this card
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echo "
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Disabling video output in Linux for the card you want to use in a VM
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will make it easier to successfully do the passthrough without issues."
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read -p "Do you want to force disable video output in linux on this card? [Y/n]: " DISABLE_VGA
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case "${DISABLE_VGA}" in
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[Yy]*)
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# Update kernel_args file
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echo "${CMDLINE} vfio_pci.ids=${GPU_DEVID} vfio_pci.disable_vga=1" > "$SCRIPTDIR/config/kernel_args"
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# Update GPU_DEVID
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GPU_DEVID="$GPU_DEVID disable_vga=1"
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;;
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[Nn]*)
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echo ""
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;;
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*)
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# Update kernel_args file
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echo "${CMDLINE} vfio_pci.ids=${GPU_DEVID} vfio_pci.disable_vga=1" > "$SCRIPTDIR/config/kernel_args"
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# Update GPU_DEVID
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GPU_DEVID="$GPU_DEVID disable_vga=1"
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;;
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esac
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# Write the vfio modprobe config
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printf "## This is an autogenerated file that stubs your graphic card for use with vfio
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## This file should be placed inside /etc/modprobe.d/
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# Uncomment the line below to \"hardcode\" your graphic card to be bound to the vfio-pci driver.
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# In most cases this should not be neccessary, it will also prevent you from turning off vfio in the bootloader.
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#options vfio_pci ids=%s
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# Make sure vfio_pci is loaded before these modules: nvidia, nouveau, amdgpu and radeon
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softdep nvidia pre: vfio vfio_pci
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softdep nouveau pre: vfio vfio_pci
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softdep amdgpu pre: vfio vfio_pci
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softdep radeon pre: vfio vfio_pci
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" "${GPU_DEVID}" > "$SCRIPTDIR/$MODPROBE/vfio.conf"
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exec "$SCRIPTDIR/lib/get_USB_CTL.sh"
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}
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function main () {
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SCRIPTDIR=$(dirname "$(which $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
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set_MODULES "$1"
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}
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main "$1"
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