diff --git a/localworker.go b/localworker.go
index 0b8a252e3..7de302428 100644
--- a/localworker.go
+++ b/localworker.go
@@ -15,6 +15,7 @@ import (
 	"github.com/filecoin-project/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/sector-storage/sealtasks"
 	"github.com/filecoin-project/sector-storage/stores"
+	"github.com/filecoin-project/sector-storage/storiface"
 )
 
 var pathTypes = []stores.SectorFileType{stores.FTUnsealed, stores.FTSealed, stores.FTCache}
@@ -167,7 +168,7 @@ func (l *LocalWorker) Paths(ctx context.Context) ([]stores.StoragePath, error) {
 	return l.localStore.Local(ctx)
 }
 
-func (l *LocalWorker) Info(context.Context) (WorkerInfo, error) {
+func (l *LocalWorker) Info(context.Context) (storiface.WorkerInfo, error) {
 	hostname, err := os.Hostname() // TODO: allow overriding from config
 	if err != nil {
 		panic(err)
@@ -180,17 +181,17 @@ func (l *LocalWorker) Info(context.Context) (WorkerInfo, error) {
 
 	h, err := sysinfo.Host()
 	if err != nil {
-		return WorkerInfo{}, xerrors.Errorf("getting host info: %w", err)
+		return storiface.WorkerInfo{}, xerrors.Errorf("getting host info: %w", err)
 	}
 
 	mem, err := h.Memory()
 	if err != nil {
-		return WorkerInfo{}, xerrors.Errorf("getting memory info: %w", err)
+		return storiface.WorkerInfo{}, xerrors.Errorf("getting memory info: %w", err)
 	}
 
-	return WorkerInfo{
+	return storiface.WorkerInfo{
 		Hostname: hostname,
-		Resources: WorkerResources{
+		Resources: storiface.WorkerResources{
 			MemPhysical: mem.Total,
 			MemSwap:     mem.VirtualTotal,
 			MemReserved: mem.VirtualUsed + mem.Total - mem.Available, // TODO: sub this process
diff --git a/manager.go b/manager.go
index 45fcfb38c..f0b6308c9 100644
--- a/manager.go
+++ b/manager.go
@@ -19,6 +19,7 @@ import (
 	"github.com/filecoin-project/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/sector-storage/sealtasks"
 	"github.com/filecoin-project/sector-storage/stores"
+	"github.com/filecoin-project/sector-storage/storiface"
 )
 
 var log = logging.Logger("advmgr")
@@ -35,26 +36,11 @@ type Worker interface {
 	// Returns paths accessible to the worker
 	Paths(context.Context) ([]stores.StoragePath, error)
 
-	Info(context.Context) (WorkerInfo, error)
+	Info(context.Context) (storiface.WorkerInfo, error)
 
 	Close() error
 }
 
-type WorkerInfo struct {
-	Hostname string
-
-	Resources WorkerResources
-}
-
-type WorkerResources struct {
-	MemPhysical uint64
-	MemSwap     uint64
-
-	MemReserved uint64 // Used by system / other processes
-
-	GPUs []string
-}
-
 type SectorManager interface {
 	SectorSize() abi.SectorSize
 
diff --git a/sched.go b/sched.go
index fb689663a..233f9faa2 100644
--- a/sched.go
+++ b/sched.go
@@ -6,6 +6,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/abi"
 
 	"github.com/filecoin-project/sector-storage/sealtasks"
+	"github.com/filecoin-project/sector-storage/storiface"
 )
 
 const mib = 1 << 20
@@ -39,7 +40,7 @@ func (r *workerRequest) respond(resp workerResponse) {
 type workerHandle struct {
 	w Worker
 
-	info WorkerInfo
+	info storiface.WorkerInfo
 
 	memUsedMin uint64
 	memUsedMax uint64
diff --git a/stats.go b/stats.go
index 70a5f341a..492919460 100644
--- a/stats.go
+++ b/stats.go
@@ -1,22 +1,15 @@
 package sectorstorage
 
-type WorkerStats struct {
-	Info WorkerInfo
+import "github.com/filecoin-project/sector-storage/storiface"
 
-	MemUsedMin uint64
-	MemUsedMax uint64
-	GpuUsed    bool
-	CpuUse     int
-}
-
-func (m *Manager) WorkerStats() map[uint64]WorkerStats {
+func (m *Manager) WorkerStats() map[uint64]storiface.WorkerStats {
 	m.workersLk.Lock()
 	defer m.workersLk.Unlock()
 
-	out := map[uint64]WorkerStats{}
+	out := map[uint64]storiface.WorkerStats{}
 
 	for id, handle := range m.workers {
-		out[uint64(id)] = WorkerStats{
+		out[uint64(id)] = storiface.WorkerStats{
 			Info:       handle.info,
 			MemUsedMin: handle.memUsedMin,
 			MemUsedMax: handle.memUsedMax,
diff --git a/storiface/worker.go b/storiface/worker.go
new file mode 100644
index 000000000..e739dbc44
--- /dev/null
+++ b/storiface/worker.go
@@ -0,0 +1,25 @@
+package storiface
+
+type WorkerInfo struct {
+	Hostname string
+
+	Resources WorkerResources
+}
+
+type WorkerResources struct {
+	MemPhysical uint64
+	MemSwap     uint64
+
+	MemReserved uint64 // Used by system / other processes
+
+	GPUs []string
+}
+
+type WorkerStats struct {
+	Info WorkerInfo
+
+	MemUsedMin uint64
+	MemUsedMax uint64
+	GpuUsed    bool
+	CpuUse     int
+}