From 97722bb3e6df8460a00195cc684b1c9abeec7aec Mon Sep 17 00:00:00 2001
From: Dibyamartanda Samanta <dibyaxp@noreply.codingworkshop.git>
Date: Fri, 10 May 2024 10:23:51 +0200
Subject: [PATCH] [NTOSKRNL:CC] Catch Controller Add LOG Handler Directives

Following Functions are Implemented:
*CcSetLogHandleForFile
*CcSetAdditionalCacheAttributes
TODO
*CcSetLogHandleForFile
*CcGetLsnForFileObject
*CcGetDirtyPages
---
 NTOSKRNL/CC/ccloghandler.cpp | 76 ++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 NTOSKRNL/CC/ccloghandler.cpp

diff --git a/NTOSKRNL/CC/ccloghandler.cpp b/NTOSKRNL/CC/ccloghandler.cpp
new file mode 100644
index 0000000..e878249
--- /dev/null
+++ b/NTOSKRNL/CC/ccloghandler.cpp
@@ -0,0 +1,76 @@
+/* PROJECT: Alcyone  Kernel
+* LICENSE: BSD Clause 3 
+* PURPOSE: Cache Controller:: LOG Handler   
+* NT KERNEL: 5.11.9360 
+* COPYRIGHT: 2023-2029 Dibymartanda Samanta <>
+*/    
+
+
+#include <ntoskrnl.h>
+#define NTDEBUG
+#include <debug.h>
+#include "ccinternal.hpp"
+#include "ccloghandler.hpp"
+
+extern "C"
+
+LARGE_INTEGER
+NTAPI
+CcGetDirtyPages(IN PVOID LogHandle,
+                IN PDIRTY_PAGE_ROUTINE DirtyPageRoutine,
+                IN PVOID Context1,
+                IN PVOID Context2)
+{
+    /* IMPLEMENTATION INCOMPLETE*/
+}
+
+LARGE_INTEGER
+NTAPI
+CcGetLsnForFileObject(IN PFILE_OBJECT FileObject,
+                      OUT OPTIONAL PLARGE_INTEGER OldestLsn)
+{    
+     /* IMPLEMENTATION INCOMPLETE*/
+}
+
+
+Void NTAPI CcSetAdditionalCacheAttributes(
+  In PFILE_OBJECT FileObject,
+  In BOOLEAN      DisableReadAhead,
+  In BOOLEAN      DisableWriteBehind
+)
+{
+
+  PSHARED_CACHE_MAP SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap;
+  KIRQL oldlock = KeAcquireQueuedSpinLock(LockQueueMasterLock);
+  if ( DisableReadAhead )
+    SharedCacheMap->Flags |= READAHEAD_FLAG;
+  else
+    SharedCacheMap->Flags &= ~READAHEAD_FLAG;
+  if ( DisableWriteBehind )
+    SharedCacheMap->Flags |= DISABLE_WRITE_FLAG;
+  else
+    SharedCacheMap->Flags &= ~ENABLE_WRITE_FLAG;
+  KeReleaseQueuedSpinLock(LockQueueMasterLock, oldlock);
+
+}
+
+VOID
+NTAPI
+CcSetLogHandleForFile(IN PFILE_OBJECT FileObject,
+                      IN PVOID LogHandle,
+                      IN PFLUSH_TO_LSN FlushToLsnRoutine)
+{
+    /* IMPLEMENTATION INCOMPLETE*/
+}
+
+VOID
+NTAPI
+CcSetLogHandleForFile(IN PFILE_OBJECT FileObject,
+                      IN PVOID LogHandle,
+                      IN PFLUSH_TO_LSN FlushToLsnRoutine)
+{
+  PSHARED_CACHE_MAP SharedCacheMap = FileObject->SectionObjectPointer->SharedCacheMap
+  SharedCacheMap->LogHandle = LogHandle;
+  SharedCacheMap->FlushToLsnRoutine = FlushToLsnRoutine;
+}
+