VM backup functionality flags set

enum _PRL_VM_BACKUP_FLAGS {
  PBSL_LOW_SECURITY = PSL_LOW_SECURITY,
  PBSL_NORMAL_SECURITY = PACF_NORMAL_SECURITY,
  PBSL_HIGH_SECURITY = PACF_HIGH_SECURITY,
  PBT_FULL = 1<<(PACF_MAX+1),
  PBT_INCREMENTAL = 1<<(PACF_MAX+2),
  PBT_DIFFERENTIAL = 1<<(PACF_MAX+3),
  PBT_RESTORE_TO_COPY = 1<<(PACF_MAX+4),
  PBT_IGNORE_NOT_EXISTS = 1<<(PACF_MAX+5),
  PBT_UNCOMPRESSED = 1<<(PACF_MAX+6),
  PBT_VM = 1<<(PACF_MAX+7),
  PBT_CT = 1<<(PACF_MAX+8),
  PBT_BACKUP_ID = 1<<(PACF_MAX+9),
  PBT_CHAIN = 1<<(PACF_MAX+10)
};