VM start mode: PSM_VM_START : start VM PSM_VM_SAFE_START : start VM in the safe mode

typedef enum _PRL_VM_START_MODE {
  PSM_VM_START = (1 << 0),
  PSM_VM_SAFE_START = (1 << 1),
  PSM_VM_START_LAST_ITEM = PSM_VM_SAFE_START
} PRL_VM_START_MODE;