Implement kernel lookaside lists

2026-06-23 19:05:04 +02:00
parent f66e27cf83
commit 8479c95e82
7 changed files with 418 additions and 5 deletions
--- a/sdk/xtdk/extypes.h
+++ b/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 */
--- a/sdk/xtdk/xtstruct.h
+++ b/sdk/xtdk/xtstruct.h
@@ -242,12 +242,13 @@ typedef struct _EFI_VENDOR_DEVICE_PATH EFI_VENDOR_DEVICE_PATH, *PEFI_VENDOR_DEVI
 typedef struct _EFI_VLAN_DEVICE_PATH EFI_VLAN_DEVICE_PATH, *PEFI_VLAN_DEVICE_PATH;
 typedef struct _EFI_WORD_REGS EFI_WORD_REGS, *PEFI_WORD_REGS;
 typedef struct _EPROCESS EPROCESS, *PEPROCESS;
+typedef struct _ERESOURCE ERESOURCE, *PERESOURCE;
 typedef struct _ETHREAD ETHREAD, *PETHREAD;
-typedef struct _EX_RUNDOWN_REFERENCE EX_RUNDOWN_REFERENCE, *PEX_RUNDOWN_REFERENCE;
 typedef struct _EXCEPTION_RECORD EXCEPTION_RECORD, *PEXCEPTION_RECORD;
 typedef struct _EXCEPTION_REGISTRATION_RECORD EXCEPTION_REGISTRATION_RECORD, *PEXCEPTION_REGISTRATION_RECORD;
 typedef struct _FIRMWARE_INFORMATION_BLOCK FIRMWARE_INFORMATION_BLOCK, *PFIRMWARE_INFORMATION_BLOCK;
 typedef struct _FLOAT128 FLOAT128, *PFLOAT128;
+typedef struct _GENERAL_LOOKASIDE GENERAL_LOOKASIDE, *PGENERAL_LOOKASIDE;
 typedef struct _GENERIC_ADDRESS GENERIC_ADDRESS, *PGENERIC_ADDRESS;
 typedef struct _GUID GUID, *PGUID;
 typedef struct _HL_FRAMEBUFFER_DATA HL_FRAMEBUFFER_DATA, *PHL_FRAMEBUFFER_DATA;
@@ -290,12 +291,17 @@ typedef struct _LIST_ENTRY64 LIST_ENTRY64, *PLIST_ENTRY64;
 typedef struct _LOADER_GRAPHICS_INFORMATION_BLOCK LOADER_GRAPHICS_INFORMATION_BLOCK, *PLOADER_GRAPHICS_INFORMATION_BLOCK;
 typedef struct _LOADER_INFORMATION_BLOCK LOADER_INFORMATION_BLOCK, *PLOADER_INFORMATION_BLOCK;
 typedef struct _LOADER_MEMORY_DESCRIPTOR LOADER_MEMORY_DESCRIPTOR, *PLOADER_MEMORY_DESCRIPTOR;
+typedef struct _LOOKASIDE_LIST LOOKASIDE_LIST, *PLOOKASIDE_LIST;
+typedef struct _LOOKASIDE_LIST_EX LOOKASIDE_LIST_EX, *PLOOKASIDE_LIST_EX;
 typedef struct _M128 M128, *PM128;
 typedef struct _MMCOLOR_TABLES MMCOLOR_TABLES, *PMMCOLOR_TABLES;
 typedef struct _MMFREE_POOL_ENTRY MMFREE_POOL_ENTRY, *PMMFREE_POOL_ENTRY;
 typedef struct _MMMEMORY_LAYOUT MMMEMORY_LAYOUT, *PMMMEMORY_LAYOUT;
 typedef struct _MMPFNENTRY MMPFNENTRY, *PMMPFNENTRY;
 typedef struct _MMPFNLIST MMPFNLIST, *PMMPFNLIST;
+typedef struct _NONPAGED_LOOKASIDE_LIST NONPAGED_LOOKASIDE_LIST, *PNONPAGED_LOOKASIDE_LIST;
+typedef struct _OWNER_ENTRY OWNER_ENTRY, *POWNER_ENTRY;
+typedef struct _PAGED_LOOKASIDE_LIST PAGED_LOOKASIDE_LIST, *PPAGED_LOOKASIDE_LIST;
 typedef struct _PCAT_FIRMWARE_INFORMATION PCAT_FIRMWARE_INFORMATION, *PPCAT_FIRMWARE_INFORMATION;
 typedef struct _PCI_BRIDGE_CONTROL_REGISTER PCI_BRIDGE_CONTROL_REGISTER, *PPCI_BRIDGE_CONTROL_REGISTER;
 typedef struct _PCI_COMMON_CONFIG PCI_COMMON_CONFIG, *PPCI_COMMON_CONFIG;
@@ -378,6 +384,7 @@ typedef union _EFI_HASH_OUTPUT EFI_HASH_OUTPUT, *PEFI_HASH_OUTPUT;
 typedef union _EFI_IA32_REGISTER_SET EFI_IA32_REGISTER_SET, *PEFI_IA32_REGISTER_SET;
 typedef union _EFI_IP_ADDRESS EFI_IP_ADDRESS, *PEFI_IP_ADDRESS;
 typedef union _EFI_PXE_BASE_CODE_PACKET EFI_PXE_BASE_CODE_PACKET, *PEFI_PXE_BASE_CODE_PACKET;
+typedef union _EX_RUNDOWN_REFERENCE EX_RUNDOWN_REFERENCE, *PEX_RUNDOWN_REFERENCE;
 typedef union _LARGE_INTEGER LARGE_INTEGER, *PLARGE_INTEGER;
 typedef union _SINGLE_LIST_HEADER SINGLE_LIST_HEADER, *PSINGLE_LIST_HEADER;
 typedef union _ULARGE_INTEGER ULARGE_INTEGER, *PULARGE_INTEGER;