VGAPassthrough: success in host F19,guest Windows7/KVM GPU直通

13 11月

VGAPassthrough: success in host F19, guest Windows7
GPUPassthrough: success in Fedora-Rawhide

HOST:
CPU: Core i5 3470
GPU: ATI HD Radeon 7850
OS: Fedora-Rawhide
QEMU: qemu-1.5.1

So, here’s the steps

0. Enable the mainboard VxT, iommu and alter the video device to Intel HD

1. See what we have got now.

lspci;lspci -n

1	lspci;lspci -n

We have output below

...01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn PRO [Radeon HD 7850]01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]...

...

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn PRO [Radeon HD 7850]

01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]

...

...01:00.0 0300: 1002:681901:00.1 0403: 1002:aab0...

...

01:00.0 0300: 1002:6819

01:00.1 0403: 1002:aab0

...

You can see the pci bus and vendor.

2. Modify the kernel parameter, morprobe.d and libvirt.conf

Add follow parameters to grub.conf

intel_iommu=on pci-stub.ids=1002:6819,1002:aab0,vfio_iommu_type1.allow_unsafe_interrupts=1

1	intel_iommu=on pci-stub.ids=1002:6819,1002:aab0,vfio_iommu_type1.allow_unsafe_interrupts=1

NOTE: If you have got an AMD cpu, please replace “interl_iommu=on” with “iommu=pt iommu=1”
Add modprobe.conf to /etc/modprobe.d/ with this content:

blacklist radeonoptions kvm ignore_msrs=1options kvm allow_unsafe_interrupts=1options kvm-amd npt=0options kvm_intel emulate_invalid_guest_state=0options vfio_iommu_type1 allow_unsafe_interrupts=1

blacklist radeon

options kvm ignore_msrs=1

options kvm allow_unsafe_interrupts=1

options kvm-amd npt=0

options kvm_intel emulate_invalid_guest_state=0

options vfio_iommu_type1 allow_unsafe_interrupts=1

change the following options in /etc/libvirt/qemu.conf:

# The user ID for QEMU processes run by the system instance.user = "root"# The group ID for QEMU processes run by the system instance.group = "root"......# If clear_emulator_capabilities is enabled, libvirt will drop all# privileged capabilities of the QEmu/KVM emulator. This is enabled by# default.## Warning: Disabling this option means that a compromised guest can# exploit the privileges and possibly do damage to the host.#clear_emulator_capabilities = 0

# The user ID for QEMU processes run by the system instance.

user = "root"

# The group ID for QEMU processes run by the system instance.

group = "root"

......

# If clear_emulator_capabilities is enabled, libvirt will drop all

# privileged capabilities of the QEmu/KVM emulator. This is enabled by

# default.

# Warning: Disabling this option means that a compromised guest can

# exploit the privileges and possibly do damage to the host.

clear_emulator_capabilities = 0

Reboot.

3. Using scripts below

Version 1: VFIO-Passthrough

File: vfio-bind

#!/bin/bashmodprobe vfio-pcifor var in "$@"; do        for dev in $(ls /sys/bus/pci/devices/$var/iommu_group/devices); do                vendor=$(cat /sys/bus/pci/devices/$dev/vendor)                device=$(cat /sys/bus/pci/devices/$dev/device)                if [ -e /sys/bus/pci/devices/$dev/driver ]; then                        echo $dev > /sys/bus/pci/devices/$dev/driver/unbind                        fi                echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id        donedone

#!/bin/bash

modprobe vfio-pci

for var in "$@"; do

for dev in $(ls /sys/bus/pci/devices/$var/iommu_group/devices); do

vendor=$(cat /sys/bus/pci/devices/$dev/vendor)

device=$(cat /sys/bus/pci/devices/$dev/device)

if [ -e /sys/bus/pci/devices/$dev/driver ]; then

echo $dev > /sys/bus/pci/devices/$dev/driver/unbind

echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id

done

Bind the device

./vfio-bind 0000:01:00.0 0000:01:00.1

1	./vfio-bind 0000:01:00.0 0000:01:00.1

Start VM

#!/bin/bashsudo modprobe vfio-pcisudo qemu-system-x86_64 -no-user-config -nodefaults -m 2048M -smp 4 -boot menu=on \-net nic -net user -enable-kvm -monitor stdio -vga qxl -global qxl-vga.vram_size=67108864 \-spice port=6000,ipv4,disable-ticketing \-device intel-hda,id=sound0,bus=pcie.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 \-drive file=Windows7.iso,if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \-drive file=/home/lofyer/gpu_passthrough/f17.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pcie.0,addr=0x7,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x8 \-M q35 \-device piix4-ide,bus=pcie.0 \-device ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1 \-device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on \-device vfio-pci,host=01:00.1,bus=root.1,addr=00.1 \-fda virtio.vfd

#!/bin/bash

sudo modprobe vfio-pci

sudo qemu-system-x86_64 -no-user-config -nodefaults -m 2048M -smp 4 -boot menu=on \

-net nic -net user -enable-kvm -monitor stdio -vga qxl -global qxl-vga.vram_size=67108864 \

-spice port=6000,ipv4,disable-ticketing \

-device intel-hda,id=sound0,bus=pcie.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 \

-drive file=Windows7.iso,if=none,id=drive-ide0-1-0,readonly=on,format=raw -device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 \

-drive file=/home/lofyer/gpu_passthrough/f17.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,bus=pcie.0,addr=0x7,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \

-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x8 \

-M q35 \

-device piix4-ide,bus=pcie.0 \

-device ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=root.1 \

-device vfio-pci,host=01:00.0,bus=root.1,addr=00.0,multifunction=on,x-vga=on \

-device vfio-pci,host=01:00.1,bus=root.1,addr=00.1 \

-fda virtio.vfd

Version 2: PCI-Passthrough

Bind device

#!/bin/bashmodprobe pci-stubfor id in 6819 aab0; do    echo 1002 $id > /sys/bus/pci/drivers/pci-stub/new_iddonefor pci in 0000:01:00.{0,1}; do    echo $pci > "/sys/bus/pci/devices/$pci/driver/unbind"    echo $pci > /sys/bus/pci/drivers/pci-stub/binddone

#!/bin/bash

modprobe pci-stub

for id in 6819 aab0; do

echo 1002 $id > /sys/bus/pci/drivers/pci-stub/new_id

done

for pci in 0000:01:00.{0,1}; do

echo $pci > "/sys/bus/pci/devices/$pci/driver/unbind"

echo $pci > /sys/bus/pci/drivers/pci-stub/bind

done

Start VM

#!/bin/bashqemu-system-x86_64 \-hda ../f17.qcow2 \-cdrom /run/media/lofyer/Cache/OS_ISO/cn_windows_7_ultimate_with_sp1_x64_dvd_u_677408.iso \-m 2048 -balloon virtio -smp 4 -enable-kvm \-device pci-assign,host=01:00.0

#!/bin/bash

qemu-system-x86_64 \

-hda ../f17.qcow2 \

-cdrom /run/media/lofyer/Cache/OS_ISO/cn_windows_7_ultimate_with_sp1_x64_dvd_u_677408.iso \

-m 2048 -balloon virtio -smp 4 -enable-kvm \

-device pci-assign,host=01:00.0

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VGAPassthrough: success in host F19,guest Windows7/KVM GPU直通

VGAPassthrough: success in host F19, guest Windows7
GPUPassthrough: success in Fedora-Rawhide

0. Enable the mainboard VxT, iommu and alter the video device to Intel HD

1. See what we have got now.

2. Modify the kernel parameter, morprobe.d and libvirt.conf

3. Using scripts below

Version 1: VFIO-Passthrough

Version 2: PCI-Passthrough

更多文章推荐

历史上的今天

VGAPassthrough: success in host F19,guest Windows7/KVM GPU直通

VGAPassthrough: success in host F19, guest Windows7GPUPassthrough: success in Fedora-Rawhide

0. Enable the mainboard VxT, iommu and alter the video device to Intel HD

1. See what we have got now.

2. Modify the kernel parameter, morprobe.d and libvirt.conf

3. Using scripts below

Version 1: VFIO-Passthrough

Version 2: PCI-Passthrough

更多文章推荐

历史上的今天

VGAPassthrough: success in host F19, guest Windows7
GPUPassthrough: success in Fedora-Rawhide