Convert GpmSample into an interface instead of a concrete type

Signed-off-by: Kevin Klues <kklues@nvidia.com>

gen/nvml/nvml.yml

@@ -67,6 +67,7 @@ TRANSLATOR:
       - {action: replace, from: "^Device$", to: "nvmlDevice"}
       - {action: replace, from: "^Unit$", to: "nvmlUnit"}
       - {action: replace, from: "^EventSet$", to: "nvmlEventSet"}
+      - {action: replace, from: "^GpmSample$", to: "nvmlGpmSample"}
       - {action: replace, from: "^ComputeInstance$", to: "nvmlComputeInstance"}
       - {action: replace, from: "^GpuInstance$", to: "nvmlGpuInstance"}
       - {action: replace, from: "^VgpuInstance$", to: "nvmlVgpuInstance"}

pkg/nvml/api.go

@@ -576,6 +576,12 @@ type EventSet interface {
 	Free() Return
 }
 
+type GpmSample interface {
+	Free() Return
+	Get(Device Device) Return
+	MigGet(Device Device, GpuInstanceId int) Return
+}
+
 type Unit interface {
 	GetUnitInfo() (UnitInfo, Return)
 	GetLedState() (LedState, Return)

pkg/nvml/gpm.go

@@ -34,16 +34,16 @@ func (l *library) GpmMetricsGet(MetricsGet *GpmMetricsGetType) Return {
 
 // nvml.GpmSampleFree()
 func (l *library) GpmSampleFree(GpmSample GpmSample) Return {
-	return nvmlGpmSampleFree(GpmSample)
+	return GpmSample.Free()
 }
 
-func (GpmSample GpmSample) Free() Return {
-	return GpmSampleFree(GpmSample)
+func (GpmSample nvmlGpmSample) Free() Return {
+	return nvmlGpmSampleFree(GpmSample)
 }
 
 // nvml.GpmSampleAlloc()
 func (l *library) GpmSampleAlloc() (GpmSample, Return) {
-	var GpmSample GpmSample
+	var GpmSample nvmlGpmSample
 	ret := nvmlGpmSampleAlloc(&GpmSample)
 	return GpmSample, ret
 }
@@ -57,7 +57,7 @@ func (Device nvmlDevice) GpmSampleGet(GpmSample GpmSample) Return {
 	return GpmSample.Get(Device)
 }
 
-func (GpmSample GpmSample) Get(Device Device) Return {
+func (GpmSample nvmlGpmSample) Get(Device Device) Return {
 	return nvmlGpmSampleGet(Device.(nvmlDevice), GpmSample)
 }
 
@@ -101,6 +101,6 @@ func (Device nvmlDevice) GpmMigSampleGet(GpuInstanceId int, GpmSample GpmSample)
 	return GpmSample.MigGet(Device, GpuInstanceId)
 }
 
-func (GpmSample GpmSample) MigGet(Device Device, GpuInstanceId int) Return {
+func (GpmSample nvmlGpmSample) MigGet(Device Device, GpuInstanceId int) Return {
 	return nvmlGpmMigSampleGet(Device.(nvmlDevice), uint32(GpuInstanceId), GpmSample)
 }