add RuntimeSubsystems API method; use it in lotus-miner info

node/modules/storageminer.go

@@ -1007,3 +1007,20 @@ func mutateCfg(r repo.LockedRepo, mutator func(*config.StorageMiner)) error {
 
 	return multierr.Combine(typeErr, setConfigErr)
 }
+
+func AddMinerSubsystems(cfg config.MinerSubsystemConfig) (res api.MinerSubsystems) {
+	if cfg.EnableMining {
+		res = append(res, api.MiningSubsystem)
+	}
+	if cfg.EnableSealing {
+		res = append(res, api.SealingSubsystem)
+	}
+	if cfg.EnableSectorStorage {
+		res = append(res, api.SectorStorageSubsystem)
+	}
+	if cfg.EnableMarkets {
+		res = append(res, api.MarketsSubsystem)
+	}
+
+	return
+}