virtcontainers: Add StratoVirt as a supported hypervisor

Initial support of the MicroVM machine type of StratoVirt
hypervisor for the kata go runtime.

Fixes: #7794

Signed-off-by: Liu Wenyuan <liuwenyuan9@huawei.com>

src/runtime/virtcontainers/hypervisor.go

@@ -48,6 +48,9 @@ const (
 	// ClhHypervisor is the ICH hypervisor.
 	ClhHypervisor HypervisorType = "clh"
 
+	// StratovirtHypervisor is the StratoVirt hypervisor.
+	StratovirtHypervisor HypervisorType = "stratovirt"
+
 	// DragonballHypervisor is the Dragonball hypervisor.
 	DragonballHypervisor HypervisorType = "dragonball"
 
@@ -256,6 +259,8 @@ func (hType *HypervisorType) String() string {
 		return string(AcrnHypervisor)
 	case ClhHypervisor:
 		return string(ClhHypervisor)
+	case StratovirtHypervisor:
+		return string(StratovirtHypervisor)
 	case MockHypervisor:
 		return string(MockHypervisor)
 	default:

src/runtime/virtcontainers/hypervisor_linux.go

@@ -36,6 +36,8 @@ func NewHypervisor(hType HypervisorType) (Hypervisor, error) {
 		return &Acrn{}, nil
 	case ClhHypervisor:
 		return &cloudHypervisor{}, nil
+	case StratovirtHypervisor:
+		return &stratovirt{}, nil
 	case DragonballHypervisor:
 		return &mockHypervisor{}, nil
 	case MockHypervisor: