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33 lines
865 B
Bash
33 lines
865 B
Bash
#!/bin/sh
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# mafferri (https://bbs.archlinux.org)
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if [ ! -e /sys/kernel/iommu_groups/$1 ]; then
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echo "IOMMU group $1 not found"
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exit 1
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fi
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if [ ! -e /sys/bus/pci/drivers/vfio-pci ]; then
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sudo modprobe vfio-pci
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fi
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for i in $(ls /sys/kernel/iommu_groups/$1/devices/); do
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if [ -e /sys/kernel/iommu_groups/$1/devices/$i/driver ]; then
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if [ "$(basename $(readlink -f \
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/sys/kernel/iommu_groups/$1/devices/$i/driver))" != \
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"pcieport" ]; then
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echo $i | sudo tee \
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/sys/kernel/iommu_groups/$1/devices/$i/driver/unbind
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fi
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fi
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done
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for i in $(ls /sys/kernel/iommu_groups/$1/devices/); do
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if [ ! -e /sys/kernel/iommu_groups/$1/devices/$i/driver ]; then
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VEN=$(cat /sys/kernel/iommu_groups/$1/devices/$i/vendor)
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DEV=$(cat /sys/kernel/iommu_groups/$1/devices/$i/device)
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echo $VEN $DEV | sudo tee \
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/sys/bus/pci/drivers/vfio-pci/new_id
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fi
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done
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