VM start mode: PSM_VM_START : start VM PSM_VM_SAFE_START : start VM in the safe mode PSM_VM_START_FOR_COMPACT : start VM only for compacting disk operation

enum _PRL_VM_START_MODE {
  PSM_VM_START = 1<<(PACF_MAX+1),
  PSM_VM_SAFE_START = 1<<(PACF_MAX+2),
  PSM_VM_START_FOR_COMPACT = 1<<(PACF_MAX+3),
  PSM_VM_START_LAST_ITEM = PSM_VM_START_FOR_COMPACT
};