//0x28 bytes (sizeof)
struct _IO_MINI_COMPLETION_PACKET_USER
{
struct _LIST_ENTRY ListEntry; //0x0
ULONG PacketType; //0x8
VOID* KeyContext; //0xc
VOID* ApcContext; //0x10
LONG IoStatus; //0x14
ULONG IoStatusInformation; //0x18
VOID (*MiniPacketCallback)(struct _IO_MINI_COMPLETION_PACKET_USER* arg1, VOID* arg2); //0x1c
VOID* Context; //0x20
UCHAR Allocated; //0x24
};