_DEVICE_OBJECT

Metadatacopy
struct _DEVICE_OBJECT {
    short Type;/* 0x0  2 */
    unsigned short Size;/* 0x2  2 */
    long ReferenceCount;/* 0x4  4 */
    struct _DRIVER_OBJECT* DriverObject;/* 0x8  4 */
    struct _DEVICE_OBJECT* NextDevice;/* 0xc  4 */
    struct _DEVICE_OBJECT* AttachedDevice;/* 0x10  4 */
    struct _IRP* CurrentIrp;/* 0x14  4 */
    struct _IO_TIMER* Timer;/* 0x18  4 */
    unsigned long Flags;/* 0x1c  4 */
    unsigned long Characteristics;/* 0x20  4 */
    struct _VPB* Vpb;/* 0x24  4 */
    void* DeviceExtension;/* 0x28  4 */
    unsigned long DeviceType;/* 0x2c  4 */
    char StackSize;/* 0x30  1 */
    /* 3 bytes padding */
    union {
        struct _LIST_ENTRY ListEntry;/* 0x34  8 */
        struct _WAIT_CONTEXT_BLOCK Wcb;/* 0x34  40 */
    } Queue;/* 0x34  40 */
    /* ── cacheline 1 boundary (64 bytes) ── */
    unsigned long AlignmentRequirement;/* 0x5c  4 */
    struct _KDEVICE_QUEUE DeviceQueue;/* 0x60  20 */
    struct _KDPC Dpc;/* 0x74  32 */
    /* ── cacheline 2 boundary (128 bytes) ── */
    unsigned long ActiveThreadCount;/* 0x94  4 */
    void* SecurityDescriptor;/* 0x98  4 */
    struct _KEVENT DeviceLock;/* 0x9c  16 */
    unsigned short SectorSize;/* 0xac  2 */
    unsigned short Spare1;/* 0xae  2 */
    struct _DEVOBJ_EXTENSION* DeviceObjectExtension;/* 0xb0  4 */
    void* Reserved;/* 0xb4  4 */
};
/* source: Windows 2000 RC2 DDK Alpha libcntpr.lib CodeView type records; build 2128 per the DDK's ntverp.h */