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kvm?透傳顯卡至win10虛擬機的方法

發布時間：2024-03-08 23:59:33 作者：網友整理

目錄
  • 環境
  • 解綁GPU 設備

環境

 已安裝nvidia   顯卡  驅動
  操作系統:CentOS Linux release 7.9.2009 (Core)
  內核版本:Linux 5.4.135-1.el7.elrepo.x86_64
  顯卡   型號:rtx 6000
  
  kvm版本:
  virsh version
  Compiled against library:   libvirt   4.5.0
  Using library:   libvirt   4.5.0
  Using   API  : QEMU 4.5.0
  Running hypervisor: QEMU 1.5.3

解綁GPU 設備

1.配置GRUB_CMDLINE_LINUX(實測，有效)，查詢要解綁的設備，記錄設備id號

lspci  -nn|grep   NVIDIA |grep VGA
或者 lspci  -nn|grep   NVIDIA

kvm?透傳顯卡至win10虛擬機的方法

2.修改 /etc/default/grub文件的GRUB_CMDLINE_LINUX

vi /etc/default/grub 
以下是內容，新增加 GRUB_CMDLINE_LINUX行: intel_iommu=on pci-stub.ids=10de:1e30" 
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="intel_iommu=on crashkernel=auto spectre_v2=retpoline rhgb quiet rdblacklist=nouveau pci-stub.ids=10de:1e30"
GRUB_DISABLE_RECOVERY="true"

3.更新grub2 conf，執行如下命令

grub2-mkconfig -o /boot/grub2/grub.cfg

4.重啟系統

reboot

驗證并查看nvidia 顯卡

1.執行nvidia-smi ，看不到顯卡，證明顯卡已經被解綁

# nvidia-smi 
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

2.驗證內核支持iommu

cat /proc/cmdline | grep iommu 
結果輸出: intel_iommu=on

kvm?透傳顯卡至win10虛擬機的方法

3.驗證VT-D是否啟用

dmesg |grep -e DMAR -e IOMMU

kvm?透傳顯卡至win10虛擬機的方法

安裝win10虛擬機

qemu-img create -f qcow2  /home/kvm-machines/shaoyan.qcow2  200G
virt-install --name shaoyan --ram 4096 --vcpus=8 --os-type=windows --accelerate --cdrom=/home/kvm_images/win10.iso   --disk path=/home/kvm-machines/shaoyan.qcow2,format=qcow2,bus=ide --bridge=br0  --autostart --vnc --vncport=5910 --vnclisten=0.0.0.0

宿主機安裝軟件包

yum -y groups install 'GNOME Desktop'  virt-manager virt-viewer dejavu-lgc-sans-fonts

顯卡加載vfio驅動
1.顯卡加載vfio驅動

modprobe vfio
modprobe vfio-pci

2.從服務器卸載1張顯卡的4個設備

virsh nodedev-detach pci_0000_b1_00_0
virsh nodedev-detach pci_0000_b1_00_1
virsh nodedev-detach pci_0000_b1_00_2
virsh nodedev-detach pci_0000_b1_00_3

3.驗證顯卡設備是否加載vfio-pci驅動,加載成功

# lspci -vv -s b1:00.0 | grep driver
        Kernel driver in use: vfio-pci
[root@rtx_6000 10.147.100.107 ~ ]
# lspci -vv -s b1:00.1 | grep driver
        Kernel driver in use: vfio-pci
[root@rtx_6000 10.147.100.107 ~ ]
# lspci -vv -s b1:00.2 | grep driver
        Kernel driver in use: vfio-pci
[root@rtx_6000 10.147.100.107 ~ ]
# lspci -vv -s b1:00.3 | grep driver
        Kernel driver in use: vfio-pci

win10虛擬機添加NVDIA顯卡
1.通過遠控卡登錄服務器透傳顯卡，執行startx 調出可視化頁面

startx

2.添加顯卡硬件

kvm?透傳顯卡至win10虛擬機的方法

3.查看顯卡

kvm?透傳顯卡至win10虛擬機的方法

顯卡驅動安裝
1.要安裝顯卡驅動，需要修改虛擬機win10的配置文件 否則顯卡驅動安裝過程中自檢會報錯ERROR CODE 43，驅動不允許安裝在虛擬機上。

#編輯VM XML
virsh edit shaoyan

#修改第一行
<domain type='kvm'>
#為
<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>

#找到<features>節點，添加內容
<features>
... 
  <kvm><hidden state='on'/></kvm>
...
</features>

#找到</device>節點，在device后添加內容
<qemu:commandline><qemu:arg value='-cpu'/><qemu:arg value='host,hv_time,kvm=off,hv_vendor_id=null'/>
</qemu:commandline>

#重啟VM
virsh destroy shaoyan
virsh start shaoyan

2.附錄完整xml 文件如下，如果是拷貝至其他宿主機配置文件的話，只需要保留xml 文件中的第一組hostdev即可，否則會報錯

# cat /etc/libvirt/qemu/shaoyan.xml

<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
  virsh edit shaoyan
or other application using the libvirt API.
-->

<domain type='kvm'>
  <name>shaoyan</name>
  <uuid>e06c6c3b-0a57-43e8-9d6f-02fd1e2aad83</uuid>
  <title>gpu</title>
  <description>gpu</description>
  <memory unit='KiB'>16777216</memory>
  <currentMemory unit='KiB'>16777216</currentMemory>
  <vcpu placement='static'>16</vcpu>
  <os>
    <type arch='x86_64' machine='pc-i440fx-rhel7.0.0'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <hyperv>
      <relaxed state='on'/>
      <vapic state='on'/>
      <spinlocks state='on' retries='8191'/>
    </hyperv>
  </features>
  <cpu mode='host-passthrough' check='none'/>
  <clock offset='localtime'>
    <timer name='rtc' tickpolicy='catchup'/>
    <timer name='pit' tickpolicy='delay'/>
    <timer name='hpet' present='no'/>
    <timer name='hypervclock' present='yes'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <pm>
    <suspend-to-mem enabled='no'/>
    <suspend-to-disk enabled='no'/>
  </pm>
  <devices>
    <emulator>/usr/bin/qemu-kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2'/>
      <source file='/data/kvm/shaoyan.qcow2'/>
      <target dev='hda' bus='ide'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>
    <controller type='usb' index='0' model='ich9-ehci1'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x7'/>
    </controller>
    <controller type='usb' index='0' model='ich9-uhci1'>
      <master startport='0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0' multifunction='on'/>
    </controller>
    <controller type='usb' index='0' model='ich9-uhci2'>
      <master startport='2'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x1'/>
    </controller>
    <controller type='usb' index='0' model='ich9-uhci3'>
      <master startport='4'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'/>
    <controller type='ide' index='0'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
    </controller>
    <interface type='bridge'>
      <mac address='52:54:00:48:b2:5a'/>
      <source bridge='br0'/>
      <model type='e1000'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
    <serial type='pty'>
      <target type='isa-serial' port='0'>
        <model name='isa-serial'/>
      </target>
    </serial>
    <console type='pty'>
      <target type='serial' port='0'/>
    </console>
    <input type='tablet' bus='usb'>
      <address type='usb' bus='0' port='1'/>
    </input>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <graphics type='vnc' port='5910' autoport='no' listen='0.0.0.0'>
      <listen type='address' address='0.0.0.0'/>
    </graphics>
    <video>
      <model type='vga' vram='16384' heads='1' primary='yes'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <source>
        <address domain='0x0000' bus='0xb1' slot='0x00' function='0x0'/>
      </source>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
    </hostdev>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <source>
        <address domain='0x0000' bus='0xb1' slot='0x00' function='0x1'/>
      </source>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
    </hostdev>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <source>
        <address domain='0x0000' bus='0xb1' slot='0x00' function='0x2'/>
      </source>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
    </hostdev>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <source>
        <address domain='0x0000' bus='0xb1' slot='0x00' function='0x3'/>
      </source>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
    </hostdev>
    <memballoon model='virtio'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
    </memballoon>
  </devices>
</domain>

3.登錄win10 虛擬機配置網絡

4.安裝驅動，選擇具體型號進行下載并安裝驅動

https://www.nvidia.cn/Download/index.aspx?lang=cn

5.查看顯卡設備

kvm?透傳顯卡至win10虛擬機的方法

kvm?透傳顯卡至win10虛擬機的方法

至此，win10通過kvm虛擬化透傳GPU 顯卡完成！

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