304 lines
7.4 KiB
C
304 lines
7.4 KiB
C
/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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Dinputs.h
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Abstract:
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This module contains the common private declarations for the keyboard
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packet filter
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Environment:
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kernel mode only
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Notes:
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Revision History:
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--*/
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#ifndef DINPUTS_H
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#define DINPUTS_H
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//#ifdef _WIN32
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//#define COM_NO_WINDOWS_H
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//#include <objbase.h>
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//#endif
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#include "ntddk.h"
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#include "kbdmou.h"
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#include <ntddkbd.h>
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#include <ntddmou.h>
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#include <ntdd8042.h>
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#define DIRECTINPUT_VERSION 0x800
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#define KbdMou_POOL_TAG (ULONG) 'PNID'
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#undef ExAllocatePool
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#define ExAllocatePool(type, size) \
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ExAllocatePoolWithTag (type, size, KbdMou_POOL_TAG)
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DEFINE_GUID(DINPUT_INTERFACE_GUID,0x0C64D244,0xCBE4,0x4F74,0xA2,0x13,0x99,0x65,0xBC,0x84,0x6E,0x03);
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#if DBG
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#define TRAP() DbgBreakPoint()
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#define DbgRaiseIrql(_x_,_y_) KeRaiseIrql(_x_,_y_)
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#define DbgLowerIrql(_x_) KeLowerIrql(_x_)
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#define DebugPrint(_x_) DbgPrint _x_
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#else // DBG
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#define TRAP()
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#define DbgRaiseIrql(_x_,_y_)
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#define DbgLowerIrql(_x_)
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#define DebugPrint(_x_)
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#endif
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#define MIN(_A_,_B_) (((_A_) < (_B_)) ? (_A_) : (_B_))
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/*typedef struct _DEVICELIST
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{
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PDEVICE_OBJECT pDev;
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struct _DEVICELIST *pLink; // Links to the next device
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struct _DEVICELIST *pPrev; // Back link
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} DEVICELIST, *PDEVICELIST;
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*/
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typedef struct _DEVICE_EXTENSION
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{
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//
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// A backpointer to the device object for which this is the extension
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//
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PDEVICE_OBJECT Self;
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//
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// "THE PDO" (ejected by the root bus or ACPI)
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//
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PDEVICE_OBJECT PDO;
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//
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// The top of the stack before this filter was added. AKA the location
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// to which all IRPS should be directed.
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//
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PDEVICE_OBJECT TopOfStack;
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//
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// The secondary device object to IO control
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//
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PDEVICE_OBJECT IoctlDevice;
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//
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// Number of creates sent down
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//
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LONG EnableCount;
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//
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// The real connect data that this driver reports to
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//
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CONNECT_DATA UpperConnectData;
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//
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// Previous initialization and hook routines (and context)
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//
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PVOID UpperContext;
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PI8042_KEYBOARD_INITIALIZATION_ROUTINE UpperInitializationRoutine;
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union {
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PI8042_KEYBOARD_ISR UpperKbdIsrHook;
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PI8042_MOUSE_ISR UpperMouIsrHook;
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};
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//
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// Write function from within KbdMou_IsrHook
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//
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IN PI8042_ISR_WRITE_PORT IsrWritePort;
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//
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// Queue the current packet (ie the one passed into KbdMou_IsrHook)
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//
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IN PI8042_QUEUE_PACKET QueuePacket;
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//
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// Context for IsrWritePort, QueueKeyboardPacket
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//
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IN PVOID CallContext;
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//
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// current power state of the device
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//
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DEVICE_POWER_STATE DeviceState;
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BOOLEAN Started;
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BOOLEAN SurpriseRemoved;
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BOOLEAN Removed;
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// Link to the next and previous PDEVICE_OBJECT of the same type
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PDEVICE_OBJECT pLink;
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PDEVICE_OBJECT pPrevLink;
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// Current device state (for detecting state change)
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union
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{
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UCHAR arbKbdState[256];
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DIMOUSESTATE_INT MouseState;
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};
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
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typedef struct SYSDEVICEFORMAT { /* devf */
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ULONG cbData; /* Size of device data */
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ULONG cObj; /* Number of objects in data format */
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DIOBJECTDATAFORMAT *rgodf; /* Array of descriptions */
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void *pExtra; /* Extra pointer for private communication */
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DWORD dwEmulation; /* Flags controlling emulation */
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} SYSDEVICEFORMAT, *PSYSDEVICEFORMAT;
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///////////////////////////////////////////////////
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// Definitions for device instances
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///////////////////////////////////////////////////
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typedef struct VXDINSTANCE;
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typedef struct _DI_DEVINSTANCE
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{
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PDEVICE_OBJECT pDev; // Pointer to the device object that this instance is interested in
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void *pState; // Indicate the current state of the device (Kernel mode virtual address)
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PMDL pMdlForState; // Mdl for state buffer
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ULONG ulBufferSize; // Size of the buffer to hold events
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PRKEVENT pEvent; // pointer to event that receives notification
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// If pHead == pTail, no data are in the buffer
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// The buffer can actually only hold ulBufferSize - 1 objects, as if ulBufferSize objects
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// are in buffer, pHead == pTail and it can be confusing with the empty buffer case.
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DIDEVICEOBJECTDATA_DX3 *pBuffer; // Array of DIDEVICEOBJECTDATA_DX3 to store key events
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DIDEVICEOBJECTDATA_DX3 *pEnd; // One past the last element in the array
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DIDEVICEOBJECTDATA_DX3 *pHead; // Where the next entry is to be written
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DIDEVICEOBJECTDATA_DX3 *pTail; // Oldest data
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PMDL pMdlForBuffer; // Mdl for device data buffer
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ULONG ulEventCount; // Number of events queued in buffer
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ULONG ulSequence; // Records the sequence number for the next event
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ULONG ulOverflow; // Whether overflow occurred (0 or 1)
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void *pExtra; // For extra information (translation table for keyboard devices; NULL if no translation needed)
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HWND hWnd; // Window
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ULONG ulDataFormatSize; // Size of data format array
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ULONG *pulOffsets; // Offsets of the data format
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struct VXDINSTANCE *pVIUser; // Points to the corresponding VXDINSTANCE for this instance (User mode virtual address)
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struct VXDINSTANCE *pVI; // Points to the corresponding VXDINSTANCE for this instance (Kernel mode virtual address)
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PMDL pMdlForVI; // Mdl for pVI
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struct _DI_DEVINSTANCE *pLink; // Link to the next device instance on the list
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struct _DI_DEVINSTANCE *pPrevLink; // Link to the previous device instance on the list
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} DI_DEVINSTANCE, *LPDI_DEVINSTANCE;
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//
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// Prototypes
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//
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NTSTATUS
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KbdMou_AddDevice(
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IN PDRIVER_OBJECT DriverObject,
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IN PDEVICE_OBJECT BusDeviceObject
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);
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NTSTATUS
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KbdMou_CreateClose (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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KbdMou_DispatchPassThrough(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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KbdMou_InternIoCtl (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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KbdMou_IoCtl (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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KbdMou_PnP (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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KbdMou_Power (
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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Kbd_InitializationRoutine(
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IN PDEVICE_OBJECT DeviceObject, // InitializationContext
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IN PVOID SynchFuncContext,
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IN PI8042_SYNCH_READ_PORT ReadPort,
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IN PI8042_SYNCH_WRITE_PORT WritePort,
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OUT PBOOLEAN TurnTranslationOn
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);
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BOOLEAN
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Kbd_IsrHook(
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PDEVICE_OBJECT DeviceObject, // IsrContext
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PKEYBOARD_INPUT_DATA CurrentInput,
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POUTPUT_PACKET CurrentOutput,
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UCHAR StatusByte,
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PUCHAR DataByte,
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PBOOLEAN ContinueProcessing,
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PKEYBOARD_SCAN_STATE ScanState
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);
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BOOLEAN
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Mou_IsrHook(
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PDEVICE_OBJECT DeviceObject,
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PMOUSE_INPUT_DATA CurrentInput,
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POUTPUT_PACKET CurrentOutput,
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UCHAR StatusByte,
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PUCHAR DataByte,
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PBOOLEAN ContinueProcessing,
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PMOUSE_STATE MouseState,
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PMOUSE_RESET_SUBSTATE ResetSubState
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);
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VOID
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Kbd_ServiceCallback(
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IN PDEVICE_OBJECT DeviceObject,
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IN PKEYBOARD_INPUT_DATA InputDataStart,
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IN PKEYBOARD_INPUT_DATA InputDataEnd,
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IN OUT PULONG InputDataConsumed
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);
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VOID
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Mou_ServiceCallback(
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IN PDEVICE_OBJECT DeviceObject,
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IN PMOUSE_INPUT_DATA InputDataStart,
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IN PMOUSE_INPUT_DATA InputDataEnd,
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IN OUT PULONG InputDataConsumed
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);
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VOID
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KbdMou_Unload (
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IN PDRIVER_OBJECT DriverObject
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);
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#endif // DINPUTS_H
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