- Update to r53061

[reactos.git] / drivers / filesystems / npfs / npfs.h

diff --git a/drivers/filesystems/npfs/npfs.h b/drivers/filesystems/npfs/npfs.h
index 373980c..5f8fabb 100644 (file)
--- a/drivers/filesystems/npfs/npfs.h
+++ b/drivers/filesystems/npfs/npfs.h
@@ -3,8 +3,38 @@
 
 #include <ntifs.h>
 #include <ndk/iotypes.h>
+#include <pseh/pseh2.h>
 
-typedef struct _NPFS_DEVICE_EXTENSION
+#define TAG_NPFS_CCB 'cFpN'
+#define TAG_NPFS_CCB_DATA 'iFpN' /* correct? */
+#define TAG_NPFS_FCB 'FFpN'
+#define TAG_NPFS_NAMEBLOCK 'nFpN'
+#define TAG_NPFS_THREAD_CONTEXT 'tFpN'
+
+#define ROUND_DOWN(n, align) \
+    (((ULONG)n) & ~((align) - 1l))
+
+#define ROUND_UP(n, align) \
+    ROUND_DOWN(((ULONG)n) + (align) - 1, (align))
+
+typedef enum _FCB_TYPE
+{
+    FCB_INVALID,
+    FCB_DEVICE,
+    FCB_DIRECTORY,
+    FCB_PIPE
+} FCB_TYPE;
+
+typedef enum _CCB_TYPE
+{
+    CCB_INVALID,
+    CCB_DEVICE,
+    CCB_DIRECTORY,
+    CCB_PIPE
+} CCB_TYPE;
+
+/* Volume Control Block (VCB) aka Device Extension */
+typedef struct _NPFS_VCB
 {
     LIST_ENTRY PipeListHead;
     LIST_ENTRY ThreadListHead;
@@ -13,11 +43,14 @@ typedef struct _NPFS_DEVICE_EXTENSION
     ULONG MinQuota;
     ULONG DefaultQuota;
     ULONG MaxQuota;
-} NPFS_DEVICE_EXTENSION, *PNPFS_DEVICE_EXTENSION;
+    struct _NPFS_FCB *DeviceFcb;
+    struct _NPFS_FCB *RootFcb;
+} NPFS_VCB, *PNPFS_VCB;
 
 typedef struct _NPFS_FCB
 {
-    FSRTL_COMMON_FCB_HEADER RFCB;
+    FCB_TYPE Type;
+    PNPFS_VCB Vcb;
     UNICODE_STRING PipeName;
     LIST_ENTRY PipeListEntry;
     KMUTEX CcbListLock;
@@ -37,12 +70,22 @@ typedef struct _NPFS_FCB
     LARGE_INTEGER TimeOut;
 } NPFS_FCB, *PNPFS_FCB;
 
+
+typedef struct _NPFS_CCB_DIRECTORY_DATA
+{
+    UNICODE_STRING SearchPattern;
+    ULONG FileIndex;
+} NPFS_CCB_DIRECTORY_DATA, *PNPFS_CCB_DIRECTORY_DATA;
+
+
 typedef struct _NPFS_CCB
 {
     LIST_ENTRY CcbListEntry;
+    CCB_TYPE Type;
+    PNPFS_FCB Fcb;
+
     struct _NPFS_CCB* OtherSide;
     struct ETHREAD *Thread;
-    PNPFS_FCB Fcb;
     KEVENT ConnectEvent;
     KEVENT ReadEvent;
     KEVENT WriteEvent;
@@ -50,6 +93,7 @@ typedef struct _NPFS_CCB
     ULONG PipeState;
     ULONG ReadDataAvailable;
     ULONG WriteQuotaAvailable;
+    ULONG RefCount;
 
     LIST_ENTRY ReadRequestListHead;
 
@@ -59,6 +103,12 @@ typedef struct _NPFS_CCB
     ULONG MaxDataLength;
 
     FAST_MUTEX DataListLock;    /* Data queue lock */
+
+    union
+    {
+        NPFS_CCB_DIRECTORY_DATA Directory;
+    } u;
+
 } NPFS_CCB, *PNPFS_CCB;
 
 typedef struct _NPFS_CONTEXT
@@ -71,7 +121,7 @@ typedef struct _NPFS_THREAD_CONTEXT
 {
     ULONG Count;
     KEVENT Event;
-    PNPFS_DEVICE_EXTENSION DeviceExt;
+    PNPFS_VCB Vcb;
     LIST_ENTRY ListEntry;
     PVOID WaitObjectArray[MAXIMUM_WAIT_OBJECTS];
     KWAIT_BLOCK WaitBlockArray[MAXIMUM_WAIT_OBJECTS];
@@ -110,6 +160,9 @@ NTSTATUS NTAPI NpfsCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 DRIVER_DISPATCH NpfsClose;
 NTSTATUS NTAPI NpfsClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 
+DRIVER_DISPATCH NpfsDirectoryControl;
+NTSTATUS NTAPI NpfsDirectoryControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
+
 DRIVER_DISPATCH NpfsRead;
 NTSTATUS NTAPI NpfsRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 
@@ -135,4 +188,16 @@ NTSTATUS NTAPI
 DriverEntry(PDRIVER_OBJECT DriverObject,
             PUNICODE_STRING RegistryPath);
 
+PNPFS_FCB
+NpfsFindPipe(PNPFS_VCB Vcb,
+             PUNICODE_STRING PipeName);
+
+FCB_TYPE
+NpfsGetFcb(PFILE_OBJECT FileObject,
+           PNPFS_FCB *Fcb);
+
+CCB_TYPE
+NpfsGetCcb(PFILE_OBJECT FileObject,
+           PNPFS_CCB *Ccb);
+
 #endif /* __DRIVERS_FS_NP_NPFS_H */