_KDEVICE_QUEUE

Metadatacopy
struct _KDEVICE_QUEUE {
    short Type;/* 0x0  2 */
    short Size;/* 0x2  2 */
    struct _LIST_ENTRY DeviceListHead;/* 0x4  8 */
    unsigned long Lock;/* 0xc  4 */
    unsigned char Busy;/* 0x10  1 */
};
/* source: NT 4.0 DDK (August 1996) PPC LIBCNTPR.LIB CodeView type records; _EPROCESS/_ETHREAD offsets match KDEXTPPC.DLL (NT 4.0 Server CD) */