[NTOSKRNL] Use faster internal helper to query name

[reactos.git] / ntoskrnl / include / internal / io.h

diff --git a/ntoskrnl/include/internal/io.h b/ntoskrnl/include/internal/io.h
index 3749969..95e3607 100644 (file)
--- a/ntoskrnl/include/internal/io.h
+++ b/ntoskrnl/include/internal/io.h
@@ -1,16 +1,17 @@
 /*
 * PROJECT:         ReactOS Kernel
 * LICENSE:         GPL - See COPYING in the top level directory
-* FILE:            ntoskrnl/include/io.h
+* FILE:            ntoskrnl/include/internal/io.h
 * PURPOSE:         Internal header for the I/O Manager
 * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
 */
+
 #include "ntdddisk.h"
 
 //
 // Define this if you want debugging support
 //
-#define _IO_DEBUG_                                      0x01
+#define _IO_DEBUG_                                      0x00
 
 //
 // These define the Debug Masks Supported
@@ -80,6 +81,26 @@
 //
 #define RD_SYMLINK_CREATE_FAILED 5
 
+//
+// Max traversal of reparse points for a single open in IoParseDevice
+//
+#define IOP_MAX_REPARSE_TRAVERSAL 0x20
+
+//
+// Private flags for IoCreateFile / IoParseDevice
+//
+#define IOP_USE_TOP_LEVEL_DEVICE_HINT       0x01
+#define IOP_CREATE_FILE_OBJECT_EXTENSION    0x02
+
+
+typedef struct _FILE_OBJECT_EXTENSION
+{
+    PDEVICE_OBJECT TopDeviceObjectHint;
+
+} FILE_OBJECT_EXTENSION, *PFILE_OBJECT_EXTENSION;
+
+
+
 //
 // We can call the Ob Inlined API, it's the same thing
 //
@@ -312,16 +333,6 @@ typedef struct _ERROR_LOG_ENTRY
     LARGE_INTEGER TimeStamp;
 } ERROR_LOG_ENTRY, *PERROR_LOG_ENTRY;
 
-//
-// Event Log LPC Message
-//
-typedef struct _ELF_API_MSG
-{
-    PORT_MESSAGE h;
-    ULONG Unknown[2];
-    IO_ERROR_LOG_MESSAGE IoErrorMessage;
-} ELF_API_MSG, *PELF_API_MSG;
-
 //
 // To simplify matters, the kernel is made to support both the checked and free
 // version of the I/O Remove Lock in the same binary. This structure includes
@@ -385,7 +396,7 @@ typedef struct _OPEN_PACKET
 typedef struct _LOAD_UNLOAD_PARAMS
 {
     NTSTATUS Status;
-    PUNICODE_STRING ServiceName;
+    PCUNICODE_STRING RegistryPath;
     WORK_QUEUE_ITEM WorkItem;
     KEVENT Event;
     PDRIVER_OBJECT DriverObject;
@@ -502,6 +513,18 @@ typedef struct _DEVICETREE_TRAVERSE_CONTEXT
     PVOID Context;
 } DEVICETREE_TRAVERSE_CONTEXT, *PDEVICETREE_TRAVERSE_CONTEXT;
 
+//
+// Reserve IRP allocator
+// Used for read paging IOs in low-memory situations
+//
+typedef struct _RESERVE_IRP_ALLOCATOR
+{
+    PIRP ReserveIrp;
+    volatile LONG ReserveIrpInUse;
+    KEVENT WaitEvent;
+    CCHAR StackSize;
+} RESERVE_IRP_ALLOCATOR, *PRESERVE_IRP_ALLOCATOR;
+
 //
 // Resource code
 //
@@ -657,7 +680,6 @@ IoDestroyDriverList(
 );
 
 NTSTATUS
-INIT_FUNCTION
 IopInitPlugPlayEvents(VOID);
 
 NTSTATUS
@@ -775,6 +797,12 @@ IopVerifyDiskSignature(
     OUT PULONG Signature
 );
 
+BOOLEAN
+NTAPI
+IoInitializeCrashDump(
+    IN HANDLE PageFileHandle
+);
+
 //
 // Device/Volume Routines
 //
@@ -910,6 +938,18 @@ IopAllocateIrpMustSucceed(
     IN CCHAR StackSize
 );
 
+BOOLEAN
+NTAPI
+IopInitializeReserveIrp(
+    IN PRESERVE_IRP_ALLOCATOR ReserveIrpAllocator
+);
+
+PIRP
+NTAPI
+IopAllocateReserveIrp(
+    IN CCHAR StackSize
+);
+
 //
 // Shutdown routines
 //
@@ -1057,8 +1097,9 @@ NTSTATUS
 NTAPI
 IopCreateDriver(IN PUNICODE_STRING DriverName OPTIONAL,
                 IN PDRIVER_INITIALIZE InitializationFunction,
-                IN PUNICODE_STRING RegistryPath,
-                PLDR_DATA_TABLE_ENTRY ModuleObject,
+                IN PUNICODE_STRING RegistryPath OPTIONAL,
+                IN PCUNICODE_STRING ServiceName,
+                IN PLDR_DATA_TABLE_ENTRY ModuleObject OPTIONAL,
                 OUT PDRIVER_OBJECT *pDriverObject);
 
 VOID
@@ -1082,10 +1123,11 @@ IopLoadServiceModule(
     OUT PLDR_DATA_TABLE_ENTRY *ModuleObject
 );
 
-VOID
+NTSTATUS
 NTAPI
 IopLoadUnloadDriver(
-    IN OUT PLOAD_UNLOAD_PARAMS LoadParams
+    _In_opt_ PCUNICODE_STRING RegistryPath,
+    _Inout_ PDRIVER_OBJECT *DriverObject
 );
 
 NTSTATUS
@@ -1102,6 +1144,8 @@ NTSTATUS
 FASTCALL
 IopAttachFilterDrivers(
     IN PDEVICE_NODE DeviceNode,
+    IN HANDLE EnumSubKey,
+    IN HANDLE ClassKey,
     IN BOOLEAN Lower
 );
 
@@ -1162,7 +1206,7 @@ IopDeleteFile(
 
 NTSTATUS
 NTAPI
-IopSecurityFile(
+IopGetSetSecurityObject(
     IN PVOID ObjectBody,
     IN SECURITY_OPERATION_CODE OperationCode,
     IN PSECURITY_INFORMATION SecurityInformation,
@@ -1175,7 +1219,7 @@ IopSecurityFile(
 
 NTSTATUS
 NTAPI
-IopQueryNameFile(
+IopQueryNameInternal(
     IN PVOID ObjectBody,
     IN BOOLEAN HasName,
     OUT POBJECT_NAME_INFORMATION ObjectNameInfo,
@@ -1194,6 +1238,15 @@ IopCloseFile(
     IN ULONG SystemHandleCount
 );
 
+NTSTATUS
+NTAPI
+IopAcquireFileObjectLock(
+    _In_ PFILE_OBJECT FileObject,
+    _In_ KPROCESSOR_MODE AccessMode,
+    _In_ BOOLEAN Alertable,
+    _Out_ PBOOLEAN LockFailed
+);
+
 PVOID
 NTAPI
 IoGetFileObjectFilterContext(
@@ -1208,6 +1261,31 @@ IoChangeFileObjectFilterContext(
     IN BOOLEAN Define
 );
 
+VOID
+NTAPI
+IopDoNameTransmogrify(
+    IN PIRP Irp,
+    IN PFILE_OBJECT FileObject,
+    IN PREPARSE_DATA_BUFFER DataBuffer
+);
+
+NTSTATUS
+NTAPI
+IoComputeDesiredAccessFileObject(
+    IN PFILE_OBJECT FileObject,
+    IN PACCESS_MASK DesiredAccess
+);
+
+NTSTATUS
+NTAPI
+IopGetFileInformation(
+    IN PFILE_OBJECT FileObject,
+    IN ULONG Length,
+    IN FILE_INFORMATION_CLASS FileInfoClass,
+    OUT PVOID Buffer,
+    OUT PULONG ReturnedLength
+);
+
 //
 // I/O Timer Routines
 //
@@ -1232,6 +1310,17 @@ IopDeleteIoCompletion(
     PVOID ObjectBody
 );
 
+NTSTATUS
+NTAPI
+IoSetIoCompletion(
+    IN PVOID IoCompletion,
+    IN PVOID KeyContext,
+    IN PVOID ApcContext,
+    IN NTSTATUS IoStatus,
+    IN ULONG_PTR IoStatusInformation,
+    IN BOOLEAN Quota 
+);
+
 //
 // Ramdisk Routines
 //
@@ -1275,6 +1364,9 @@ extern ULONG IopNumTriageDumpDataBlocks;
 extern PVOID IopTriageDumpDataBlocks[64];
 extern PIO_BUS_TYPE_GUID_LIST PnpBusTypeGuidList;
 extern PDRIVER_OBJECT IopRootDriverObject;
+extern KSPIN_LOCK IopDeviceActionLock;
+extern LIST_ENTRY IopDeviceActionRequestList;
+extern RESERVE_IRP_ALLOCATOR IopReserveIrpAllocator;
 
 //
 // Inlined Functions