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https://github.com/HikariKnight/quickpassthrough.git
synced 2024-09-19 11:28:46 -04:00
Split up scripts to reuse parts for other initramfs systems
This commit is contained in:
HikariKnight
parent
9ab572032d
commit
898e1f7347
4 changed files with 103 additions and 52 deletions
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@ -48,50 +48,8 @@ function set_INITRAMFSTOOLS () {
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insert_INITRAMFSTOOLS 4 "$SCRIPTDIR/$ETCMODULES"
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insert_INITRAMFSTOOLS 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/$MODPROBE/vfio.conf"
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"$SCRIPTDIR/lib/set_VFIO.sh" "$1"
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"$SCRIPTDIR/lib/set_MODPROBE.sh" "$1"
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exec "$SCRIPTDIR/lib/get_USB_CTL.sh"
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}
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37
lib/set_MODPROBE.sh
Executable file
37
lib/set_MODPROBE.sh
Executable file
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@ -0,0 +1,37 @@
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#!/bin/bash
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function set_MODPROBE () {
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# Get the config paths
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source "$SCRIPTDIR/lib/paths.sh"
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# Assign the GPU device ids to a variable
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GPU_DEVID="$1"
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# If VGA is disabled
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if grep -q "vfio_pci.disable_vga=1" "$SCRIPTDIR/config/kernel_args" ;
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then
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# Modify our GPU_DEVID line to containe disable_vga=1
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GPU_DEVID="${GPU_DEVID} disable_vga=1"
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fi
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# Write the vfio modprobe config
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printf "## This is an autogenerated file that stubs your graphic card for use with vfio
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## This file should be placed inside /etc/modprobe.d/
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# Uncomment the line below to \"hardcode\" your graphic card to be bound to the vfio-pci driver.
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# In most cases this should not be neccessary, it will also prevent you from turning off vfio in the bootloader.
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#options vfio_pci ids=%s
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# Make sure vfio_pci is loaded before these modules: nvidia, nouveau, amdgpu and radeon
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softdep nvidia pre: vfio vfio_pci
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softdep nouveau pre: vfio vfio_pci
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softdep amdgpu pre: vfio vfio_pci
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softdep radeon pre: vfio vfio_pci
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" "${GPU_DEVID}" > "$SCRIPTDIR/$MODPROBE/vfio.conf"
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}
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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_MODPROBE "$1"
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}
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main "$1"
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45
lib/set_VFIO.sh
Executable file
45
lib/set_VFIO.sh
Executable file
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@ -0,0 +1,45 @@
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#!/bin/bash
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function set_VFIO () {
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# Get the config paths
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source "$SCRIPTDIR/lib/paths.sh"
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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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# Update kernel_args file
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echo "${CMDLINE} vfio_pci.ids=${GPU_DEVID}" > "$SCRIPTDIR/config/kernel_args"
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;;
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*)
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# Update kernel_args file
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echo "${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="$GPU_DEVID disable_vga=1"
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;;
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esac
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}
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function main () {
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SCRIPTDIR=$(dirname "$(which $0)" | perl -pe "s/\/\.\.\/lib//" | perl -pe "s/\/lib$//")
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set_VFIO "$1"
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}
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main "$1"
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27
vfio-setup
27
vfio-setup
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@ -91,35 +91,46 @@ fi
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# Make the directories
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mkdir -p "$SCRIPTDIR/$MODPROBE"
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mkdir -p "$SCRIPTDIR/$DEFAULT"
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mkdir -p "$SCRIPTDIR/$INITRAMFS"
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mkdir -p "$SCRIPTDIR/$QUICKEMU"
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# Write the cmdline file
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echo "$CMDLINE" > "$SCRIPTDIR/config/kernel_args"
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# Copy system configs into our config folder so we can safely edit them
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# Copy system configs that exists into our config folder so we can safely edit them
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if [ -f "/etc/modules" ];
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then
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# This copies /etc/modules without the vfio module lines
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grep -v "vfio" "/etc/modules" > "$SCRIPTDIR/$ETCMODULES"
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else
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touch "$SCRIPTDIR/$ETCMODULES"
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fi
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if [ -f "/etc/default/grub" ];
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then
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# Create the default folder
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mkdir -p "$SCRIPTDIR/$DEFAULT"
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# Copy grub config
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cp "/etc/default/grub" "$SCRIPTDIR/$DEFAULT/grub"
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fi
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if [ -f "/etc/initramfs-tools/modules" ];
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then
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# Create the initramfs folder
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mkdir -p "$SCRIPTDIR/$INITRAMFS"
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# This copies /etc/initramfs-tools/modules without the vfio modules
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grep -v "vfio" "/etc/initramfs-tools/modules" > "$SCRIPTDIR/$INITRAMFS/modules"
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else
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touch "$SCRIPTDIR/$INITRAMFS"
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fi
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if [ -f "/etc/mkinitcpio.conf" ];
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then
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# Copy mkinitcpio.conf to our config folder
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cp "/etc/mkinitcpio.conf" "$SCRIPTDIR/$MKINITCPIO"
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fi
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if [ -f "/etc/dracut.conf" ];
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then
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# Create a dracut.conf.d file
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touch "$SCRIPTDIR/$DRACUT"
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fi
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# Run ls-iommu so we can verify that IOMMU properly working
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