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move CPU_VENDOR detection to earlier in the script so we can utilize $CMDLINE earlier in intro

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HikariKnight 2022-03-01 13:31:34 +01:00
parent 18e86cb678
commit bfd64ae0aa
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GPG key ID: E8B239063B022F5A
1 changed files with 15 additions and 15 deletions
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30
vfio-setup
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@ -10,6 +10,19 @@ source "$SCRIPTDIR/lib/paths.sh"
# Make sure all the scripts are executable # Make sure all the scripts are executable
chmod +x "$SCRIPTDIR/lib/*" chmod +x "$SCRIPTDIR/lib/*"
# Get the CPU Vendor
CPU_VENDOR=$(cat /proc/cpuinfo | grep vendor | head -1 | cut -f 2 | cut -d " " -f 2)
CMDLINE="iommu=pt"
# Adjust our kernel_args based on cpu vendor
if [ "$CPU_VENDOR" == "GenuineIntel" ];
then
CMDLINE="$CMDLINE intel_iommu=on"
elif [ "$CPU_VENDOR" == "AuthenticAMD" ];
then
CMDLINE="$CMDLINE amd_iommu=on"
fi
# Clear the screen # Clear the screen
clear clear
@ -32,10 +45,10 @@ clear
printf "This script assumes a few things: printf "This script assumes a few things:
* You have already enabled IOMMU, VT-d and/or AMD-v inside your UEFI/BIOS advanced settings. * You have already enabled IOMMU, VT-d and/or AMD-v inside your UEFI/BIOS advanced settings.
* You have already added \"iommu=pt intel_iommu=on\" or \"iommu=pt amd_iommu=on\" to your * You have already added \"$CMDLINE\" to your
kernel boot arguments and booted your system with these kernel arguments active. kernel boot arguments and booted your system with these kernel arguments active.
* You are comfortable with navigating and changing settings in your UEFI/BIOS. * You are comfortable with navigating and changing settings in your UEFI/BIOS.
* You know how edit your bootloader configuration. * You know how edit your bootloader configuration and kernel arguments.
* Your Linux distribution is an EFI installation (important to get VFIO working). * Your Linux distribution is an EFI installation (important to get VFIO working).
NOTE: If your computer no longer fully shut down after enabling IOMMU, then there is possibly a bug NOTE: If your computer no longer fully shut down after enabling IOMMU, then there is possibly a bug
@ -67,19 +80,6 @@ then
rm -r "$SCRIPTDIR/config" rm -r "$SCRIPTDIR/config"
fi fi
# Get the CPU Vendor
CPU_VENDOR=$(cat /proc/cpuinfo | grep vendor | head -1 | cut -f 2 | cut -d " " -f 2)
CMDLINE="iommu=pt"
# Adjust our kernel_args based on cpu vendor
if [ "$CPU_VENDOR" == "GenuineIntel" ];
then
CMDLINE="$CMDLINE intel_iommu=on"
elif [ "$CPU_VENDOR" == "AuthenticAMD" ];
then
CMDLINE="$CMDLINE amd_iommu=on"
fi
# Make the directories # Make the directories
mkdir -p "$SCRIPTDIR/$MODPROBE" mkdir -p "$SCRIPTDIR/$MODPROBE"
mkdir -p "$SCRIPTDIR/$DEFAULT" mkdir -p "$SCRIPTDIR/$DEFAULT"