Implement kernel lookaside lists

sdk/xtdk/extypes.h

@@ -17,18 +17,61 @@
 /* Rundown protection flags */
 #define EX_RUNDOWN_ACTIVE                               0x1
 
+/* Number of lookaside lists */
+#define POOL_LOOKASIDE_LISTS                            32
 
 /* C/C++ specific code */
 #ifndef __XTOS_ASSEMBLER__
 
-/* Executive rundown protection structure definition */
-typedef struct _EX_RUNDOWN_REFERENCE
+/* Kernel routine callbacks */
+typedef XTSTATUS (XTAPI *PALLOCATE_FUNCTION)(IN MMPOOL_TYPE PoolType, IN SIZE_T Bytes, OUT PVOID *Memory, IN ULONG Tag);
+typedef XTSTATUS (XTAPI *PALLOCATE_FUNCTION_EX)(IN MMPOOL_TYPE PoolType, IN SIZE_T Bytes, OUT PVOID *Memory, IN ULONG Tag, IN PLOOKASIDE_LIST_EX Lookaside);
+typedef XTSTATUS (XTAPI *PFREE_FUNCTION)(IN PVOID Buffer);
+typedef XTSTATUS (XTAPI *PFREE_FUNCTION_EX)(IN PVOID Buffer, IN OUT PLOOKASIDE_LIST_EX Lookaside);
+
+/* Owner entry structure definition */
+typedef struct _OWNER_ENTRY
 {
+    ULONG_PTR OwnerThread;
     union
     {
-        ULONG_PTR Count;
-        PVOID Ptr;
+        struct
+        {
+            ULONG IoPriorityBoosted:1;
+            ULONG OwnerReferenced:1;
+            ULONG OwnerCount:30;
+        };
+        ULONG TableSize;
     };
+} OWNER_ENTRY, *POWNER_ENTRY;
+
+/* Exclusive resource structure definition */
+typedef struct _ERESOURCE
+{
+    LIST_ENTRY SystemResourcesList;
+    POWNER_ENTRY OwnerTable;
+    SHORT ActiveCount;
+    USHORT Flag;
+    VOLATILE PKSEMAPHORE SharedWaiters;
+    VOLATILE PKEVENT ExclusiveWaiters;
+    OWNER_ENTRY OwnerEntry;
+    ULONG ActiveEntries;
+    ULONG ContentionCount;
+    ULONG NumberOfSharedWaiters;
+    ULONG NumberOfExclusiveWaiters;
+    union
+    {
+        PVOID Address;
+        ULONG_PTR CreatorBackTraceIndex;
+    };
+    KSPIN_LOCK SpinLock;
+} ERESOURCE, *PERESOURCE;
+
+/* Executive rundown protection structure definition */
+typedef union _EX_RUNDOWN_REFERENCE
+{
+    ULONG_PTR Count;
+    PVOID Ptr;
 } EX_RUNDOWN_REFERENCE, *PEX_RUNDOWN_REFERENCE;
 
 /* Executive rundown wait block definition */
@@ -38,5 +81,74 @@ typedef struct _EX_RUNDOWN_WAIT_BLOCK
     KEVENT WakeEvent;
 } EX_RUNDOWN_WAIT_BLOCK, *PEX_RUNDOWN_WAIT_BLOCK;
 
+/* Lookaside list structure definition */
+typedef struct _GENERAL_LOOKASIDE
+{
+    union
+    {
+        SINGLE_LIST_HEADER ListHead;
+        SINGLE_LIST_ENTRY SingleListHead;
+    };
+    USHORT Depth;
+    USHORT MaximumDepth;
+    ULONG TotalAllocates;
+    union
+    {
+        ULONG AllocateMisses;
+        ULONG AllocateHits;
+    };
+    ULONG TotalFrees;
+    union {
+        ULONG FreeMisses;
+        ULONG FreeHits;
+    };
+    MMPOOL_TYPE Type;
+    ULONG Tag;
+    ULONG Size;
+    union
+    {
+        PALLOCATE_FUNCTION_EX AllocateEx;
+        PALLOCATE_FUNCTION Allocate;
+    };
+    union
+    {
+        PFREE_FUNCTION_EX FreeEx;
+        PFREE_FUNCTION Free;
+    };
+    LIST_ENTRY ListEntry;
+    ULONG LastTotalAllocates;
+    union
+    {
+        ULONG LastAllocateMisses;
+        ULONG LastAllocateHits;
+    };
+    ULONG Future[2];
+} GENERAL_LOOKASIDE, *PGENERAL_LOOKASIDE;
+
+/* Lookaside list pointers structure definition */
+typedef struct _LOOKASIDE_LIST
+{
+    PGENERAL_LOOKASIDE Local;
+    PGENERAL_LOOKASIDE Global;
+} LOOKASIDE_LIST, *PLOOKASIDE_LIST;
+
+/* Lookaside list extended structure definition */
+typedef struct _LOOKASIDE_LIST_EX
+{
+  GENERAL_LOOKASIDE Global;
+} LOOKASIDE_LIST_EX, *PLOOKASIDE_LIST_EX;
+
+/* Non-paged lookaside list structure definition */
+typedef struct _NONPAGED_LOOKASIDE_LIST
+{
+    GENERAL_LOOKASIDE Global;
+} NONPAGED_LOOKASIDE_LIST, *PNONPAGED_LOOKASIDE_LIST;
+
+/* Paged lookaside list structure definition */
+typedef struct _PAGED_LOOKASIDE_LIST
+{
+    GENERAL_LOOKASIDE Global;
+} PAGED_LOOKASIDE_LIST, *PPAGED_LOOKASIDE_LIST;
+
 #endif /* __XTOS_ASSEMBLER__ */
 #endif /* __XTDK_EXTYPES_H */