drivers/filesystems/npfs/npfs.h

   1 #ifndef __DRIVERS_FS_NP_NPFS_H
   2 #define __DRIVERS_FS_NP_NPFS_H
   3
   4 #include <ntifs.h>
   5 #include <ndk/iotypes.h>
   6
   7 typedef struct _NPFS_DEVICE_EXTENSION
   8 {
   9     LIST_ENTRY PipeListHead;
  10     LIST_ENTRY ThreadListHead;
  11     KMUTEX PipeListLock;
  12     ULONG EmptyWaiterCount;
  13     ULONG MinQuota;
  14     ULONG DefaultQuota;
  15     ULONG MaxQuota;
  16 } NPFS_DEVICE_EXTENSION, *PNPFS_DEVICE_EXTENSION;
  17
  18 typedef struct _NPFS_FCB
  19 {
  20     FSRTL_COMMON_FCB_HEADER RFCB;
  21     UNICODE_STRING PipeName;
  22     LIST_ENTRY PipeListEntry;
  23     KMUTEX CcbListLock;
  24     LIST_ENTRY ServerCcbListHead;
  25     LIST_ENTRY ClientCcbListHead;
  26     LIST_ENTRY WaiterListHead;
  27     LIST_ENTRY EmptyBufferListHead;
  28     ULONG PipeType;
  29     ULONG ClientReadMode;
  30     ULONG ServerReadMode;
  31     ULONG CompletionMode;
  32     ULONG PipeConfiguration;
  33     ULONG MaximumInstances;
  34     ULONG CurrentInstances;
  35     ULONG InboundQuota;
  36     ULONG OutboundQuota;
  37     LARGE_INTEGER TimeOut;
  38 } NPFS_FCB, *PNPFS_FCB;
  39
  40 typedef struct _NPFS_CCB
  41 {
  42     LIST_ENTRY CcbListEntry;
  43     struct _NPFS_CCB* OtherSide;
  44     struct ETHREAD *Thread;
  45     PNPFS_FCB Fcb;
  46     KEVENT ConnectEvent;
  47     KEVENT ReadEvent;
  48     KEVENT WriteEvent;
  49     ULONG PipeEnd;
  50     ULONG PipeState;
  51     ULONG ReadDataAvailable;
  52     ULONG WriteQuotaAvailable;
  53
  54     LIST_ENTRY ReadRequestListHead;
  55
  56     PVOID Data;
  57     PVOID ReadPtr;
  58     PVOID WritePtr;
  59     ULONG MaxDataLength;
  60
  61     FAST_MUTEX DataListLock;    /* Data queue lock */
  62 } NPFS_CCB, *PNPFS_CCB;
  63
  64 typedef struct _NPFS_CONTEXT
  65 {
  66     LIST_ENTRY ListEntry;
  67     PKEVENT WaitEvent;
  68 } NPFS_CONTEXT, *PNPFS_CONTEXT;
  69
  70 typedef struct _NPFS_THREAD_CONTEXT
  71 {
  72     ULONG Count;
  73     KEVENT Event;
  74     PNPFS_DEVICE_EXTENSION DeviceExt;
  75     LIST_ENTRY ListEntry;
  76     PVOID WaitObjectArray[MAXIMUM_WAIT_OBJECTS];
  77     KWAIT_BLOCK WaitBlockArray[MAXIMUM_WAIT_OBJECTS];
  78     PIRP WaitIrpArray[MAXIMUM_WAIT_OBJECTS];
  79 } NPFS_THREAD_CONTEXT, *PNPFS_THREAD_CONTEXT;
  80
  81 typedef struct _NPFS_WAITER_ENTRY
  82 {
  83     LIST_ENTRY Entry;
  84     PNPFS_CCB Ccb;
  85 } NPFS_WAITER_ENTRY, *PNPFS_WAITER_ENTRY;
  86
  87
  88 extern NPAGED_LOOKASIDE_LIST NpfsPipeDataLookasideList;
  89
  90
  91 #define KeLockMutex(x) KeWaitForSingleObject(x, \
  92     UserRequest, \
  93     KernelMode, \
  94     FALSE, \
  95     NULL);
  96
  97 #define KeUnlockMutex(x) KeReleaseMutex(x, FALSE);
  98
  99 #define PAGE_ROUND_UP(x) ( (((ULONG_PTR)x)%PAGE_SIZE) ? ((((ULONG_PTR)x)&(~(PAGE_SIZE-1)))+PAGE_SIZE) : ((ULONG_PTR)x) )
 100
 101 DRIVER_DISPATCH NpfsCreate;
 102 NTSTATUS NTAPI NpfsCreate(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 103
 104 DRIVER_DISPATCH NpfsCreateNamedPipe;
 105 NTSTATUS NTAPI NpfsCreateNamedPipe(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 106
 107 DRIVER_DISPATCH NpfsCleanup;
 108 NTSTATUS NTAPI NpfsCleanup(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 109
 110 DRIVER_DISPATCH NpfsClose;
 111 NTSTATUS NTAPI NpfsClose(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 112
 113 DRIVER_DISPATCH NpfsRead;
 114 NTSTATUS NTAPI NpfsRead(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 115
 116 DRIVER_DISPATCH NpfsWrite;
 117 NTSTATUS NTAPI NpfsWrite(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 118
 119 DRIVER_DISPATCH NpfsFlushBuffers;
 120 NTSTATUS NTAPI NpfsFlushBuffers(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 121
 122 DRIVER_DISPATCH NpfsFileSystemControl;
 123 NTSTATUS NTAPI NpfsFileSystemControl(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 124
 125 DRIVER_DISPATCH NpfsQueryInformation;
 126 NTSTATUS NTAPI NpfsQueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 127
 128 DRIVER_DISPATCH NpfsSetInformation;
 129 NTSTATUS NTAPI NpfsSetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp);
 130
 131 DRIVER_DISPATCH NpfsQueryVolumeInformation;
 132 NTSTATUS NTAPI NpfsQueryVolumeInformation (PDEVICE_OBJECT DeviceObject, PIRP Irp);
 133
 134 NTSTATUS NTAPI
 135 DriverEntry(PDRIVER_OBJECT DriverObject,
 136             PUNICODE_STRING RegistryPath);
 137
 138 #endif /* __DRIVERS_FS_NP_NPFS_H */