update cpu type

create_vgpu.sh

 echo "$1" > /sys/class/mdev_bus/$2/mdev_supported_types/$3/create
 echo "$1" > /sys/class/mdev_bus/$2/mdev_supported_types/$3/create
-mdevctl define --auto --uuid $1
+#mdevctl define --auto --uuid $1
\ No newline at end of file

demo.txt

+[2023-08-08 11:51:56] - INFO: Executing: 
+(exec: "/bin/qemu-system-x86_64", args: 
+@["-D", 
+"/home/cloud/.local/libvf.io/logs/qemu/99a34fe5-451a-4b68-a692-3b5ec2e46849-session.txt",
+"-no-hpet", "-mem-prealloc", 
+"-uuid", "99a34fe5-451a-4b68-a692-3b5ec2e46849", 
+"-machine", "pc-q35-4.2,accel=kvm,usb=off,vmport=off,dump-guest-core=off", 
+"-cpu", "host,ss=on,vmx=on,pcid=on,
+-hypervisor,arat=on,tsc-adjust=on,umip=on,md-clear=on,stibp=on,
+arch-capabilities=on,ssbd=on,xsaveopt=on,pdpe1gb=on,ibpb=on,amd-stibp=on,amd-ssbd=on,
+skip-l1dfl-vmentry=on,pschange-mc-no=on,hv-vapic,hv_time,hv-spinlocks=0x1fff,hv-vendor-id=null,
+kvm=off,topoext=on", "-rtc", 
+"clock=host,base=localtime", 
+"-m", "4096", "-smp", "cores=1,threads=2,sockets=1", 
+"-hda", "/home/cloud/.local/libvf.io/live/99a34fe5-451a-4b68-a692-3b5ec2e46849", 
+"--enable-kvm", "-device", 
+"vfio-pci,id=hostdev0,sysfsdev=/sys/bus/mdev/devices/d3f92818-d658-48ac-a964-c773af3a932d,
+display=off", "-device", "rtl8139,netdev=net0", "-netdev", 
+"user,id=net0,hostfwd=tcp::2222-:22", 
+"-net", "user", "-net", "nic", "-device", "vhost-vsock-pci,guest-cid=11257", 
+"-qmp", "unix:/tmp/sockets/99a34fe5-451a-4b68-a692-3b5ec2e46849/main.sock,server,nowait", 
+"-qmp", "unix:/tmp/sockets/99a34fe5-451a-4b68-a692-3b5ec2e46849/master.sock,server,nowait", 
+"-cdrom", "/data/img/ubuntu-20.04.6-live-server-amd64.iso", "-vnc", "0.0.0.0:6100"])
\ No newline at end of file

templates/demovm.xml

@@ -4,6 +4,11 @@
   <memory unit='GB'>{{ram}}</memory>
   <memory unit='GB'>{{ram}}</memory>
   <currentMemory unit='GB'>{{ram}}</currentMemory>
   <currentMemory unit='GB'>{{ram}}</currentMemory>
   <vcpu>{{vcpu}}</vcpu>
   <vcpu>{{vcpu}}</vcpu>
+  <cpu mode='host-passthrough'>
+    <feature policy='require' name='vmx'/>
+    <feature policy='require' name='ss'/>
+    <feature policy='require' name='pcid'/>
+  </cpu> 
   <os>
   <os>
     <type arch='i686' machine='pc'>hvm</type>
     <type arch='i686' machine='pc'>hvm</type>
   </os>
   </os>