mirror of https://gitlab.com/YuriAlek/vfio
Update
Yuri Alek
6 years ago
parent
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# A recompilation of hardware and software combinations working for other people
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**Before creating a merge pull, be sure to read this guide**
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The files should be named like [{CPU} - {GPU} - {User}.md]; example
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```
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Ryzen 5 2600 - GTX 770 - @YuriAlek.md
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```
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## Inside must be something like this:
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### System
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```
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[Author]
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@YuriAlek
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[Hardware]
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CPU: AMD Ryzen 5 2600
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Motherboard: Gigabyte AB350M-Gaming 3 rev1.1
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Motherboard BIOS: F23d
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RAM: 16GB
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GPU: Gigabyte Nvidia GeForce GTX 770
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GPU model: GV-N770OC-2GD
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GPU BIOS: 80.04.C3.00.0F
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GPU codename: GK104
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[Software]
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Linux Distro: ArchLinux
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Linux Kernel: 4.17.14 vanilla
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Nvidia divers: 396.51-1
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QEMU version: 2.12.1-1
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OVMF version: r24021
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[Guests]
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Windows 10 Pro 1709 x64
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MacOS High Sierra 10.13.3
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```
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### How I did it
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For extracting the `vBIOS` I used the 1st method in Linux and edited it.
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You can add anything that you consider useful like the step needed in your distro for installing everything. The more information, and solutions, the better.
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### Files to modify
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#### `scripts/windows.sh`
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My GPU uses one more Kernel Module so I have to add it as the first module to unload and the last to load:
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```
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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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...
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------------------------
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# Reload the kernel modules. This loads the drivers for the GPU
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...
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modprobe nvidia_drm
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sleep 1
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```
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I use PulseAudio so I had to kill it for detaching the GPU.
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```
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## Kill X and related
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pulseaudio -k
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---------------------
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# Reload the Display Manager to access X
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...
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pulseaudio --start
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```
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I don't pass a USB controller so I had to add manually USB devices.
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```
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# Remove
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...
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echo $usbid > /sys/bus/pci/drivers/vfio-pci/new_id
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sleep 1
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echo $usbbusid > /sys/bus/pci/devices/$usbbusid/driver/unbind
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sleep 1
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echo $usbbusid > /sys/bus/pci/drivers/vfio-pci/bind
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sleep 1
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echo $usbid > /sys/bus/pci/drivers/vfio-pci/remove_id
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#ls -la /sys/bus/pci/devices/$usbbusid/
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sleep 1
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...
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-device vfio-pci,host=$IOMMU_USB \
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...
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echo $usbbusid > /sys/bus/pci/devices/$usbbusid/driver/unbind
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echo $usbbusid > /sys/bus/pci/drivers/xhci_hcd/bind
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sleep 10
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...
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----------------------
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# Add to the QEMU script
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...
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-object input-linux,id=kbd,evdev=/dev/input/by-id/usb-HOLDCHIP_USB_Gaming_Keyboard-event-kbd,grab_all=on,repeat=on \
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-object input-linux,id=kbd2,evdev=/dev/input/by-id/usb-HOLDCHIP_USB_Gaming_Keyboard-if01-event-kbd,grab_all=on,repeat=on \
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-object input-linux,id=mouse-event,evdev=/dev/input/by-id/usb-Logitech_G700_Laser_Mouse_6B5EFC4B0035-event-mouse \
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-object input-linux,id=kbd3,evdev=/dev/input/by-id/usb-Logitech_G700_Laser_Mouse_6B5EFC4B0035-if01-event-kbd,grab_all=on,repeat=on \
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...
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```
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I use an image instead of a hard drive.
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```
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# Remove
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-device virtio-scsi-pci,id=scsi0 \
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-device scsi-hd,bus=scsi0.0,drive=rootfs \
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-drive id=rootfs,file=$HDD,media=disk,format=raw,if=none
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-----------------
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# Add
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-device ide-drive,bus=ide.1,drive=rootfs \
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-drive id=rootfs,if=none,file=$IMG,format=raw
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```
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@ -0,0 +1,29 @@
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# System
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```
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[Author]
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@YuriAlek
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[Hardware]
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CPU: AMD Ryzen 5 2600
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Motherboard: Gigabyte AB350M-Gaming 3 rev1.1
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Motherboard BIOS: F23d
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RAM: 16GB
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GPU: Gigabyte Nvidia GeForce GTX 770
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GPU model: GV-N770OC-2GD
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GPU BIOS: 80.04.C3.00.0F
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GPU codename: GK104
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[Software]
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Linux Distro: ArchLinux
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Linux Kernel: 4.17.14 vanilla
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Nvidia divers: 396.51-1
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QEMU version: 2.12.1-1
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OVMF version: r24021
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[Guests]
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Windows 10 Pro 1709 x64
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MacOS High Sierra 10.13.3
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```
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## How I did it
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For extracting the `vBIOS` I used the 2nd method in Linux with nvflash and edited it. The 3rd method also worked for me.
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@ -0,0 +1,46 @@
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# Install guide for QEMU and VFIO
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## ArchLinux
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### Install the necessary packages
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```
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# pacman -S qemu ovmf
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```
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### Enabling IOMMU support on boot
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For systemd-boot, edit `/boot/loader/entries/arch.conf` and add `intel_iommu=on` **OR** `amd_iommu=on` and `iommu=pt`.
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```
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# AMD
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options root=/dev/sda2 amd_iommu=on iommu=pt
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---------------------------------------------
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# Intel
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options root=/dev/sda2 intel_iommu=on iommu=pt
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```
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For GRUB edit `/etc/default/grub` and append your kernel options to the `GRUB_CMDLINE_LINUX_DEFAULT`.
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```
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# AMD
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GRUB_CMDLINE_LINUX_DEFAULT="amd_iommu=on iommu=pt"
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---------------------------------------------------
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# Intel
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GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=on iommu=pt"
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```
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And then automatically re-generate the grub.cfg file with:
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```
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# grub-mkconfig -o /boot/grub/grub.cfg
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```
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Reboot.
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After reboot IOMMU should be working
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```
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[yu@ryzen ~]$ dmesg | grep -e DMAR -e IOMMU
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--------------------------------------------
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[ 0.492684] AMD-Vi: IOMMU performance counters supported
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[ 0.494370] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40
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[ 0.494644] perf/amd_iommu: Detected AMD IOMMU #0 (2 banks, 4 counters/bank).
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```
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That's everything, unlike two GPU passthrough you don't need to load kernel modules on boot.
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## For more information refer to this guides
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https://wiki.archlinux.org/index.php/QEMU
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https://wiki.archlinux.org/index.php/PCI_passthrough_via_OVMF
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https://www.se7ensins.com/forums/threads/how-to-setup-a-gaming-virtual-machine-with-gpu-passthrough-qemu-kvm-libvirt-and-vfio.1371980/
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