fix: windows GPU vm should set hypervisor=off (#18690)

Co-authored-by: Qiu Jian <qiujian@yunionyun.com>

pkg/hostman/guestman/arch/arch.go

@@ -41,6 +41,7 @@ type KVMGuestInstance interface {
 	IsNestedVirt() bool
 	IsKvmSupport() bool
 	HideKVM() bool
+	HideHypervisor() bool
 }
 
 func NewArch(arch string) Arch {

pkg/hostman/guestman/arch/x86.go

@@ -129,6 +129,7 @@ func (*X86) enableHypervFeatures(features map[string]bool) {
 
 func (x86 *X86) GenerateCpuDesc(cpus uint, cpuMax uint, s KVMGuestInstance) (*desc.SGuestCpu, error) {
 	var hideKVM = s.HideKVM()
+	var hideHypervisor = s.HideHypervisor()
 	var hostCPUPassthrough = options.HostOptions.HostCpuPassthrough
 	var isCPUIntel = sysutils.IsProcessorIntel()
 	var isCPUAMD = sysutils.IsProcessorAmd()
@@ -174,6 +175,9 @@ func (x86 *X86) GenerateCpuDesc(cpus uint, cpuMax uint, s KVMGuestInstance) (*de
 		if hideKVM {
 			features["kvm"] = false
 		}
+		if hideHypervisor {
+			features["hypervisor"] = false
+		}
 	} else {
 		accel = "tcg"
 		cpuType = "qemu64"

pkg/hostman/guestman/qemu-kvmhelper.go

@@ -131,17 +131,29 @@ func (s *SKVMGuestInstance) GetKernelVersion() string {
 	return s.manager.host.GetKernelVersion()
 }
 
-func (s *SKVMGuestInstance) HideKVM() bool {
-	if s.hasGPU() {
+func (s *SKVMGuestInstance) HideHypervisor() bool {
+	if s.IsRunning() && s.IsMonitorAlive() {
+		cmdline, _ := fileutils2.FileGetContents(path.Join("/proc", strconv.Itoa(s.GetPid()), "cmdline"))
+		if strings.Contains(cmdline, "hypervisor=off") {
+			return true
+		}
+	}
+	if s.hasGPU() && s.GetOsName() == OS_NAME_WINDOWS {
 		return true
 	}
+	return false
+}
+
+func (s *SKVMGuestInstance) HideKVM() bool {
 	if s.IsRunning() && s.IsMonitorAlive() {
 		cmdline, _ := fileutils2.FileGetContents(path.Join("/proc", strconv.Itoa(s.GetPid()), "cmdline"))
 		if strings.Contains(cmdline, "kvm=off") {
 			return true
 		}
 	}
-
+	if s.hasGPU() && s.GetOsName() != OS_NAME_WINDOWS {
+		return true
+	}
 	return false
 }