mirror of https://gitlab.com/YuriAlek/vfio
vBIOS in Linux
Yuri Alek
6 years ago
parent
bfce00a63d
commit
e351494e93
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#!/bin/bash
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# Check if the script is executed as root
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if [ "$EUID" -ne 0 ]
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then echo "Please run as root"
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exit 1
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fi
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# END Check if you are sudo
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# Variables
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VBIOS=/root/vBIOS.rom
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videobusid="0000:06:00.0"
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# END Variables
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_start()
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{
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# Memory lock limit
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## Kill X and related
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systemctl stop lightdm > /dev/null 2>&1
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killall i3 > /dev/null 2>&1
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sleep 2
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# Kill the console to free the GPU
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echo 0 > /sys/class/vtconsole/vtcon0/bind
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sleep 1
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echo 0 > /sys/class/vtconsole/vtcon1/bind
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sleep 1
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
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sleep 1
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# Unload the Kernel Modules that use the GPU
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modprobe -r nvidia_drm
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sleep 1
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modprobe -r nvidia_modeset
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sleep 1
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modprobe -r nvidia
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sleep 1
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modprobe -r snd_hda_intel
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sleep 2
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}
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_stop()
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{
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# Reload the kernel modules. This loads the drivers for the GPU
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modprobe snd_hda_intel
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sleep 5
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modprobe nvidia_drm
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sleep 2
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modprobe nvidia_modeset
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sleep 2
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modprobe nvidia
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sleep 5
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# Re-Bind EFI-Framebuffer and Re-bind to virtual consoles
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# [Source] [https://github.com/joeknock90/Single-GPU-Passthrough/blob/master/README.md#vm-stop-script]
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echo 1 > /sys/class/vtconsole/vtcon0/bind
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sleep 1
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echo 1 > tee /sys/class/vtconsole/vtcon1/bind
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sleep 5
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# Reload the Display Manager to access X
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systemctl start lightdm
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sleep 5
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/bind
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sleep 1
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}
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extract_vbios()
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{
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echo 1 > /sys/bus/pci/devices/$videobusid/rom
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cat /sys/bus/pci/devices/$videobusid/rom > $VBIOS
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echo 0 > /sys/bus/pci/devices/$videobusid/rom
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}
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_start
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extract_vbios
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_stop
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exit
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@ -0,0 +1,78 @@
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#!/bin/bash
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# Check if the script is executed as root
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if [ "$EUID" -ne 0 ]
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then echo "Please run as root"
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exit 1
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fi
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# END Check if you are sudo
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# Variables
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VBIOS=/root/vBIOS.rom
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NVFLASH=/root/nvflash_linux
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videobusid="0000:06:00.0"
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# END Variables
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_start()
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{
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# Memory lock limit
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## Kill X and related
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systemctl stop lightdm > /dev/null 2>&1
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killall i3 > /dev/null 2>&1
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sleep 2
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# Kill the console to free the GPU
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echo 0 > /sys/class/vtconsole/vtcon0/bind
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sleep 1
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echo 0 > /sys/class/vtconsole/vtcon1/bind
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sleep 1
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
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sleep 1
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# Unload the Kernel Modules that use the GPU
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modprobe -r nvidia_drm
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sleep 1
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modprobe -r nvidia_modeset
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sleep 1
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modprobe -r nvidia
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sleep 1
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modprobe -r snd_hda_intel
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sleep 2
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}
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_stop()
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{
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# Reload the kernel modules. This loads the drivers for the GPU
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modprobe snd_hda_intel
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sleep 5
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modprobe nvidia_drm
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sleep 2
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modprobe nvidia_modeset
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sleep 2
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modprobe nvidia
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sleep 5
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# Re-Bind EFI-Framebuffer and Re-bind to virtual consoles
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# [Source] [https://github.com/joeknock90/Single-GPU-Passthrough/blob/master/README.md#vm-stop-script]
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echo 1 > /sys/class/vtconsole/vtcon0/bind
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sleep 1
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echo 1 > tee /sys/class/vtconsole/vtcon1/bind
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sleep 5
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# Reload the Display Manager to access X
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systemctl start lightdm
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sleep 5
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echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/bind
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sleep 1
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}
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extract_vbios()
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{
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$NVFLASH --save $VBIOS
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}
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_start
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extract_vbios
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_stop
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exit
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