PFUNCTIONAL_DEVICE_EXTENSION Struct Reference

#include <classpnp.h>

Data Fields
union {
struct {
ULONG   Version
PDEVICE_OBJECT   DeviceObject
}   DUMMYSTRUCTNAME
COMMON_DEVICE_EXTENSION   CommonExtension
}	DUMMYUNIONNAME
PDEVICE_OBJECT	LowerPdo
PSTORAGE_DEVICE_DESCRIPTOR	DeviceDescriptor
PSTORAGE_ADAPTER_DESCRIPTOR	AdapterDescriptor
DEVICE_POWER_STATE	DevicePowerState
ULONG	DMByteSkew
ULONG	DMSkew
BOOLEAN	DMActive
DISK_GEOMETRY	DiskGeometry
PSENSE_DATA	SenseData
ULONG	TimeOutValue
ULONG	DeviceNumber
ULONG	SrbFlags
ULONG	ErrorCount
LONG	LockCount
LONG	ProtectedLockCount
LONG	InternalLockCount
KEVENT	EjectSynchronizationEvent
USHORT	DeviceFlags
UCHAR	SectorShift
UCHAR	CdbForceUnitAccess
PMEDIA_CHANGE_DETECTION_INFO	MediaChangeDetectionInfo
PKEVENT	Unused1
HANDLE	Unused2
FILE_OBJECT_EXTENSION	KernelModeMcnContext
ULONG	MediaChangeCount
HANDLE	DeviceDirectory
KSPIN_LOCK	ReleaseQueueSpinLock
PIRP	ReleaseQueueIrp
SCSI_REQUEST_BLOCK	ReleaseQueueSrb
BOOLEAN	ReleaseQueueNeeded
BOOLEAN	ReleaseQueueInProgress
BOOLEAN	ReleaseQueueIrpFromPool
BOOLEAN	FailurePredicted
ULONG	FailureReason
struct _FAILURE_PREDICTION_INFO *	FailurePredictionInfo
BOOLEAN	PowerDownInProgress
ULONG	EnumerationInterlock
KEVENT	ChildLock
PKTHREAD	ChildLockOwner
ULONG	ChildLockAcquisitionCount
ULONG	ScanForSpecialFlags
KDPC	PowerRetryDpc
KTIMER	PowerRetryTimer
CLASS_POWER_CONTEXT	PowerContext
ULONG_PTR	Reserved1
ULONG_PTR	Reserved2
ULONG_PTR	Reserved3
ULONG_PTR	Reserved4

---

Detailed Description

Definition at line 689 of file classpnp.h.

---

The documentation for this struct was generated from the following file:

• include/ddk/classpnp.h