[NTOSKRNL:CC] MDL Handler's Header with MDL Specific defination

NTOSKRNL/CC/ccmdl.hpp

@@ -0,0 +1,63 @@
+/* PROJECT: Alcyone  Kernel
+* LICENSE: BSD Clause 3 
+* PURPOSE: Cache Controller:: MDL Handler   
+* NT KERNEL: 5.11.9360 
+* COPYRIGHT: 2023-2029 Dibymartanda Samanta <>
+*/   
+
+/* Iterator class for MDL*/
+constexpr unsigned int MDL_READTYPE_DiskIoAttribution = 0;
+constexpr unsigned int OPTIONAL_IRP = 0;
+constexpr unsigned int MDL MAXIO_DISPATCH = 76;
+constexpr unsigned int NOPRIORITY = 0 ;
+constexpr unsigned int FLAG_UPDATE_READAHEAD = 0x20000;' '
+
+class MDLIterator {
+public:
+    MDLIterator(PMDL p) : ptr(p) {}
+
+    // Prefix ++ operator
+    MDLIterator& operator++() {
+        if (ptr) {
+            ptr = ptr->Next;
+        }
+        return *this;
+    }
+
+    // Postfix ++ operator
+    MDLIterator operator++(int) {
+        MDLIterator tmp(*this);
+        operator++();
+        return tmp;
+    }
+
+    // Dereference operator
+    PMDL operator*() const {
+        return ptr;
+    }
+
+    // Equality operator
+    bool operator==(const MDLIterator& rhs) const {
+        return ptr == rhs.ptr;
+    }
+
+    // Inequality operator
+    bool operator!=(const MDLIterator& rhs) const {
+        return ptr != rhs.ptr;
+    }
+
+private:
+    PMDL ptr;
+};
+
+/*Helper function to get the beginning of the MDL chain*/
+MDLIterator begin(PMDL p) {
+    return MDLIterator(p);
+}
+
+/* Helper function to get the end of the MDL chain*/
+MDLIterator end(PMDL) {
+    return MDLIterator(nullptr);
+}
+
+