mirror of
https://gitlab.com/risingprismtv/single-gpu-passthrough.git
synced 2024-08-30 18:12:14 +00:00
75 lines
1.9 KiB
Bash
Executable File
75 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# Helpful to read output when debugging
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set -x
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long_delay=10
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medium_delay=5
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short_delay=1
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echo "Beginning of startup!"
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function stop_display_manager_if_running {
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# Stop dm using systemd
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if command -v systemctl; then
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if systemctl is-active --quiet "$1.service" ; then
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echo $1 >> /tmp/vfio-store-display-manager
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systemctl stop "$1.service"
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fi
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while systemctl is-active --quiet "$1.service" ; do
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sleep "${short_delay}"
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done
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return
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fi
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# Stop dm using runit
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if command -v sv; then
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if sv status $1 ; then
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echo $1 >> /tmp/vfio-store-display-manager
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sv stop $1
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fi
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fi
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}
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# Stop currently running display manager
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if test -e "/tmp/vfio-store-display-manager" ; then
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rm -f /tmp/vfio-store-display-manager
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fi
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stop_display_manager_if_running sddm
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stop_display_manager_if_running gdm
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stop_display_manager_if_running lightdm
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stop_display_manager_if_running lxdm
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stop_display_manager_if_running xdm
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stop_display_manager_if_running mdm
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stop_display_manager_if_running display-manager
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# Unbind VTconsoles if currently bound (adapted from https://www.kernel.org/doc/Documentation/fb/fbcon.txt)
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if test -e "/tmp/vfio-bound-consoles" ; then
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rm -f /tmp/vfio-bound-consoles
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fi
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for (( i = 0; i < 16; i++))
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do
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if test -x /sys/class/vtconsole/vtcon${i}; then
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if [ `cat /sys/class/vtconsole/vtcon${i}/name | grep -c "frame buffer"` \
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= 1 ]; then
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echo 0 > /sys/class/vtconsole/vtcon${i}/bind
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echo "Unbinding console ${i}"
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echo $i >> /tmp/vfio-bound-consoles
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fi
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fi
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done
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# Unbind EFI-Framebuffer
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if test -e "/tmp/vfio-is-nvidia" ; then
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rm -f /tmp/vfio-is-nvidia
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fi
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if lsmod | grep "nvidia" &> /dev/null ; then
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echo "true" >> /tmp/vfio-is-nvidia
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
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fi
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echo "End of startup!"
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