Ubuntu 26.04 LTS 安装 Windows 虚拟机！直通 SR-IOV 核显 开启硬件加速，AIO 终极形态（4）

cat << 'EOF' > /etc/systemd/system/vfio-detach.service
[Unit]
Description=Auto Create and Detach SR-IOV VF and Start VMs
After=libvirtd.service
Wants=libvirtd.service
Before=libvirt-guests.service

[Service]
Type=oneshot
ExecStartPre=-/bin/bash -c "echo 2 > /sys/bus/pci/devices/0000:00:02.0/sriov_numvfs"
#设置生成两个sriov核显
ExecStartPre=/bin/sleep 5
ExecStart=-/usr/bin/virsh nodedev-detach pci_0000_00_02_1
ExecStart=-/usr/bin/virsh nodedev-detach pci_0000_00_02_2
#解绑两个sriov核显的驱动
ExecStartPost=/bin/sleep 1
ExecStartPost=-/usr/bin/virsh start fnnas
ExecStartPost=-/usr/bin/virsh start win
#开机自动启动两虚拟机
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload

systemctl enable vfio-detach.service

systemctl restart vfio-detach.service

sudo apt install remmina

intel_gpu_top -d sriov
#查询核显sriov占用代码

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