typedef struct _CM_KEY_BODY
{
     ULONG Type;
     PCM_KEY_CONTROL_BLOCK KeyControlBlock;
     PCM_NOTIFY_BLOCK NotifyBlock;
     PVOID ProcessID;
     LIST_ENTRY KeyBodyList;
     ULONG Flags;
     PVOID KtmTrans;
     PGUID KtmUow;
     EX_PUSH_LOCK KeyBodyLock;
     LIST_ENTRY ContextListHead;
} CM_KEY_BODY, *PCM_KEY_BODY;

Windows Vista Kernel Structures