fix(host):no hpet and kvm=off (#24129)

* no hpet and kvm=off

* fix(host): get gpu qemu params

Signed-off-by: wanyaoqi <d3lx.yq@gmail.com>

---------

Signed-off-by: wanyaoqi <d3lx.yq@gmail.com>

pkg/hostman/guestman/qemu-kvmhelper.go

@@ -422,6 +422,23 @@ func (s *SKVMGuestInstance) extraOptions() string {
 	return cmd
 }
 
+func (s *SKVMGuestInstance) hasGpu() bool {
+	manager := s.manager.GetHost().GetIsolatedDeviceManager()
+	isolatedDevices, _ := s.Desc.GetArray("isolated_devices")
+	for i := range isolatedDevices {
+		vendorDevId, _ := isolatedDevices[i].GetString("vendor_device_id")
+		addr, _ := isolatedDevices[i].GetString("addr")
+		dev := manager.GetDeviceByIdent(vendorDevId, addr)
+		if dev == nil {
+			continue
+		}
+		if dev.GetDeviceType() == api.GPU_VGA_TYPE || dev.GetDeviceType() == api.GPU_HPC_TYPE {
+			return true
+		}
+	}
+	return false
+}
+
 func (s *SKVMGuestInstance) _generateStartScript(data *jsonutils.JSONDict) (string, error) {
 	var (
 		uuid, _ = s.Desc.GetString("uuid")
@@ -560,7 +577,7 @@ function nic_mtu() {
 			}
 		}
 
-		if !guestManager.GetHost().IsNestedVirtualization() {
+		if s.hasGpu() {
 			cpuType += ",kvm=off"
 		}
 
@@ -588,6 +605,7 @@ function nic_mtu() {
 	cmd += " -daemonize"
 	cmd += " -nodefaults -nodefconfig"
 	cmd += " -no-kvm-pit-reinjection"
+	cmd += " -no-hpet"
 	cmd += " -global kvm-pit.lost_tick_policy=discard"
 	cmd += fmt.Sprintf(" -machine %s,accel=%s", s.getMachine(), accel)
 	cmd += " -k en-us"

pkg/hostman/isolated_device/isolated_device.go

@@ -410,11 +410,10 @@ func getQemuParams(man *isolatedDeviceManager, devAddrs []string) *QemuParams {
 			continue
 		}
 		devType := dev.GetDeviceType()
-		devs, ok := devices[devType]
-		if !ok {
+		if _, ok := devices[devType]; !ok {
 			devices[devType] = []IDevice{dev}
 		} else {
-			devs = append(devs, dev)
+			devices[devType] = append(devices[devType], dev)
 		}
 	}