PVE vGPU

已有一把嗦脚本

https://alist.homelabproject.cc/local/vGPU/Scripts/PVE

apt update && apt upgrade -y
apt install -y git build-essential pve-headers dkms jq cargo mdevctl unzip uuid

nano /etc/default/grub
#intel
GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt"
#amd
GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_iommu=on iommu=pt"

update-grub

nano /etc/modules
#添加
vfio
vfio_iommu_type1
vfio_pci
vfio_virqfd

echo "options vfio_iommu_type1 allow_unsafe_interrupts=1" > /etc/modprobe.d/iommu_unsafe_interrupts.conf

echo "options kvm ignore_msrs=1" > /etc/modprobe.d/kvm.conf

echo "blacklist nouveau" >> /etc/modprobe.d/blacklist.conf

update-initramfs -u
reboot

dmesg | grep -e DMAR -e IOMMU

安装驱动

mkdir vgpu

cd vgpu
#上传驱动文件，这里上传文件名为NVIDIA-Linux-x86_64-510.47.03-vgpu-kvm.run
chmod +x NVIDIA-Linux-x86_64-510.47.03-vgpu-kvm.run

./NVIDIA-Linux-x86_64-510.47.03-vgpu-kvm.run -x

cd NVIDIA-Linux-x86_64-510.47.03-vgpu-kvm/

sed -i 's|.open             = nv_vgpu_vfio_open|.open_device = nv_vgpu_vfio_open|g'    kernel/nvidia-vgpu-vfio/nvidia-vgpu-vfio.c

sed -i 's|.release          = nv_vgpu_vfio_close|.close_device = nv_vgpu_vfio_close|g'    kernel/nvidia-vgpu-vfio/nvidia-vgpu-vfio.c

./nvidia-installer -dkms -s

systemctl daemon-reload

reboot

mdevctl types
#执行为会出现一堆显卡，才为正常驱动

#生成uuid 
# -n 参数为数量
uuid -n 1

mdevctl start -u [uuid] -p [设备id] -t [生成类型]

实例：
mdevctl start -u cf6af22c-2e4d-11ed-987f-738f4f5aecf0 -p 0000:01:00.0 -t nvidia-65

mdevctl define -a -u [uuid]
实例：
mdevctl define -a -u cf6af22c-2e4d-11ed-987f-738f4f5aecf0

mdevctl list
#可以查看并确认生成的内容

vGPU 分配

UI

nano /etc/pve/qemu-server/[虚拟机id].conf
#添加下面，注意这里为固定00000000-0000-0000-0000-000000000，不需要更改为生成的uuid
args: -uuid 00000000-0000-0000-0000-000000000[虚拟机id]
实例：
nano /etc/pve/qemu-server/100.conf
args: -uuid 00000000-0000-0000-0000-000000000100